Search Results — 2000 specimen records retrieved (1855 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA0025887  Abronia umbellata Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4251 Los Angeles San Clemente Island, lower half of China Cyn, S end of Island, W side. Comment
  RSA500071  Abronia villosa var. aurita Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3240 Riverside Vail Lake area, sandy valley at NE end of lake, N of Wilson Creek 488 Comment
  UCR59503  Abronia villosa var. aurita Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3240 Riverside Peninsular Range, Vail Lake area, sandy valley at NE end of lake, north of Wilson Creek 488 Comment
  UCR200309  Acacia dealbata Steve Boyd, R. E. Riefner Jr. 2007-1-16 11708 San Diego Coastal Plains and Basins; South Coastal Plain, Solana Beach, southern shore of San Elijo0 Laghoon between Hwy 5 and Pacific Coast Hwy 1 6 Comment
  RSA735217  Acacia greggii Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11239 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  HSC87303  Acer macrophyllum Steve Boyd, T. S. Elias 1987-4-14 2032 Los Angeles San Gabriel Mtns., Rincon- Red Box Rd., S of Rincon Forest Station, N of Glendora Comment
  OBI70869  Acer macrophyllum Steve Boyd 1997-5-20 9800 Los Angeles Liebre Mts region: Northern flank of Sawmill Mtn, upper Heryford Cyn drainage, just NE of Sawmill Summit at the jctn of forest Service roads 7N23 and 7N08 1585 Comment
  RSA599323  Acer macrophyllum Steve D. Boyd, Lauren Raz 1997-3-26 9378 Los Angeles Liebre Mountains region: Sierra Pelona Ridge, Willow Spring on the southern flank of Martindale Canyon near the northern end of Bouquet Canyon, south of the upper end of the reservoir along Forest Service Road 6N08. 1311 Comment
  UCR224007  Acer macrophyllum Steve Boyd, Valentin Arvizu, Rick Riefner 2006-9-21 11695 Los Angeles Transverse Ranges; Verdugo Mountains region, Side drainage of La Tuna Creek just west of La Tuna Canyon Road offramp from 210 Freeway, adjacent to parking area for Santa Monica Mountains Conservency reserve lands. Comment
  UCR224012  Acer negundo Steve Boyd, Valentin Arvizu, Rick Riefner 2006-9-21 11675 Los Angeles Transverse Ranges; Verdugo Mountains region, Along La Tuna Creek between La Tuna Canyon Road and 210 Freeway. Comment
  CAS-BOT-BC218716  Achnatherum coronatum Steve Boyd; Aydee Virgen 2004-4-13 10868 Riverside San Mateo Canyon, midway between confluence with Los alamos Canyon and Tenaja Canyon, Peninsular Ranges, Santa Ana Mountains region Comment
  RSA703101  Achnatherum coronatum Steve Boyd, Naomi Fraga 2004-4-27 11006 San Diego Warner Springs area, rolling terrain near the Pacific Crest Trail, south of Highway 79 and west of the Warner Springs resort. 898 Comment
  RSA696963  Achnatherum hymenoides Steve Boyd, Michael Denslow, Amber Maurice, Sarah Swartzentruber, Aydee Virgen 2003-6-27 10539 Tulare Chimney Peak Recreation Area, summit of northern high point on Bear Mountain (Bear Peak). 2509 Comment
  UC1930057  Achnatherum hymenoides Steve Boyd, Michael Denslow, Amber Maurice, Sarah Swartzentruber, Aydee Virgen 2003-6-27 10539 Tulare Sierra Nevada; Southern Sierra Nevada region; Chimney Peak Recreation Area, summit of northern high point on Bear Mountain (Bear Peak). 2509 Comment
  RSA615285  Achnatherum parishii subsp. parishii Steve Boyd, Valerie Soza, Mitchell Provance, Tasha La Doux 1998-7-15 10255 San Bernardino Northwest of Holcomb Valley, flats at the upper end of the east fork of Dry Canyon, north of Holcomb Creek and southwest of Furnace Canyon. 2378 Comment
  RSA599797  Achnatherum speciosum Steve Boyd, Lauren Raz 1997-3-25 9289 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain, flats and slopes just northeast of ranch compound. 976 Comment
  RSA725439  Achnatherum speciosum Steve Boyd, Michael Denslow, Amber Maurice, Sarah Swartzentruber, Aydee Virgen 2003-6-27 10573 Tulare Chimney Peak Recreation Area, summit of northern high point on Bear Mountain (Bear Peak). 2509 Comment
  RSA516891  Achyronychia cooperi Steve Boyd, Orlando Mistretta 1986-3-13 1405 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd & 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  SD152857  Acmispon glaber Steve Boyd, Tim Ross 1992-4-29 7101 San Diego Southern Santa Ana Mountains, San Mateo Wilderness Area, western flank of Cold Spring Canyon along the Clark Trail to the junction with the Cold Spring Trail to the crest of the ridge dividing Cold Spring & San Mateo Canyons 487 Comment
  HSC66024  Acmispon grandiflorus D. Boyd, M. Eichelberger, Tim Messick, T. Ranker 1980-4-19 29 Lake Along Walker Ridge Rd., 1.3 mi. S of junction with access road to Indian Valley Dam. Comment
  SBBG132237  Acmispon maritimus S. Boyd, T. Morgan 2004-5-11 11184 Ventura Topa Topa Mtns, E of Sespe Cyn near upper end of Tar Crk Rd (and trail) Comment
  SD136846  Acmispon micranthus Steve Boyd, Orlando Mistretta 1992-4-22 7015 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon & Nickel Canyon, on burn (1989 fire) 609 Comment
  SBBG101801  Acmispon strigosus S. Boyd, T. Ross, M. Hammitt 1991-5-2 6048 Riverside SW and W flanks of Billy Goat Mtn, 3 mi N of Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  SBBG53747  Acmispon strigosus S. Boyd 1980-5-2 Riverside Harford Springs County Park, on the NW corner of the Gavilan Plateau Comment
  SD152856  Acmispon strigosus Steve Boyd 1992-4-15 6857 Riverside Santa Ana Mountains, San Mareo Canyon Wilderness Area, Bluewater Canyon along Bluewater Trail downstream to the confluence with san Mateo Creek, open benches 334 Comment
  SD152854  Acmispon wrangelianus Steve Boyd, Tim Ross 1992-5-20 7485 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, western edge of the wilderness in Lucas Canyon at the Lucas Canyon Trail crossing, on hard-packed soil along trail, north side of creek just downstream from crossing 320 Comment
  RSA701928  Acourtia microcephala Steve Boyd, Valentin Arvizu 2004-6-8 11474 Ventura Mount Pinos region: Topa Topa Mountains, Tar Creek, east of its confluence with Sespe Canyon near point where stream is crossed by Tar Creek Road trail. 610 Comment
  CDA6752  Acroptilon repens Steve Boyd 1989-7-6 3758 Riverside South of Jurupa Road, east of intersection with Van Buren Avenue, City of Riverside. 0 Comment
  LA52125  Adenostoma fasciculatum Leo Boyd; 1953-5-12 sn Los Angeles Comment
  UC1861755  Adenostoma fasciculatum Steve Boyd, Amber Maurice 2004-5-18 11334 Los Angeles Transverse Ranges; Liebre Mountains region: Elizabeth Lake Canyon at and just upstream from confluence with Ruby Canyon, between Warm Springs Mountain and Red Mountain. 609 Comment
  RSA560387  Adiantum capillus-veneris Steve Boyd, Timothy S. Ross 1992-4-30 7157 San Diego Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area. Cold Spring Canyon, downstream from jct of Cold Spring and Clark Trails. 396 Comment
  SBBG96972  Adiantum jordanii S. Boyd with T. Ross, L. Arnseth 1990-4-8 4323 Los Angeles near Malo Pt, second cyn S of Bryce Cyn, in cyn bottom Comment
  RSA527648  Adiantum jordanii Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-8 4369 Los Angeles San Clemente Island: E side of island, Bryce Cyn near Malo Point. Comment
  UCR61098  Ageratina adenophora Steve Boyd 1988-5-6 2255 San Bernardino San Gabriel Mtns., Duncan Canyon, south of Lytle Creek 700 Comment
  CAS-BOT-BC295670  Agnorhiza ovata Steve Boyd; Tim Ross 1992-6-4 7589 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Southeastern edge of wilderness in upper Devil Canyon drainage, southwest of Sky Ranch, along Forest Service Road 8S01 731 Comment
  RSA560503  Aira caryophyllea Steve Boyd, Timothy S. Ross, M. Wall 1992-6-2 7510 San Diego Southern Santa Ana Mts., San Mateo Canyon Wilderness Area. Devil Canyon from confluence with 'Miller Creek' downstream approximately one mile. 488 Comment
  SEINET3917590  Aira caryophyllea Steve Boyd 1992-6-2 7510 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Devil Canyon, from confluence with 'Miller Creek' downstrem approximately one mile.; 0 488 Comment
  UCR148041  Allionia incarnata Steve Boyd, Et al. 2004-5-14 11227 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  UC1929352  Allium atrorubens Steve Boyd, Michael Denslow, Amber Maurice, Sarah Swartzentruber, Aydee Virgen 2003-6-27 10512 Tulare Sierra Nevada; Southern Sierra Nevada region; Chimney Peak Recreation Area, summit of northern high point on Bear Mountain (Bear Peak). 2509 Comment
  UCR204184  Allium atrorubens var. cristatum Steve Boyd, Michael Denslow, Amber Maurice, Sarah Swartzentruber, Aydee Virgen 2003-6-27 10512 Tulare Southern Sierra Nevada Range, Chimney Peak Recreation Area, summit of northern high point on Bear Mountain (Bear Peak) 2509 Comment
  SEINET3884407  Allium cratericola D. Boyd, M. Eichelberger; T. Messick; T. A. Ranker 1980-4-19 37 Lake Along Walker Ridge Road, 0.5 miles north of junction with access road to Indian Valley Dam.; 0 Comment
  RSA730911  Allium denticulatum Steve Boyd, Valentin Arvizu 2008-5-1 11904 Kern Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley 1372 Comment
  SBBG122881  Allium fimbriatum var. fimbriatum S. Boyd 2008-5-1 11904 Kern lower Esperanza Cyn at E base of Sorrell Peak and W edge of Kelso Valley; Piute Mtns 1372 Comment
  CAS-BOT-BC131990  Allium haematochiton Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-3 4063 Riverside Vail Lake area, summit of 'Big' Oak Mtn. at E end 792 Comment
  CAS-BOT-BC132006  Allium haematochiton Steve Boyd; LeRoy Gross 2004-5-4 11099 San Diego Peninsular Ranges; Anza Bench region: Hills north of Warner Springs, north Indian Flats Campground of Cleveland National Forest along Road 9S05 899 Comment
  CAS-BOT-BC132007  Allium haematochiton Steve Boyd; LeRoy Gross 2004-5-4 11026 San Diego Peninsular Ranges; Anza Bench region: Hills north of Warner Springs, Indian Flats Campground of Cleveland National Forest along Road 9S05 Comment
  CAS-BOT-BC471096  Allium lacunosum var. lacunosum Steve Boyd; Tim Ross 1992-6-9 7609 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper northern flank of Miller Mountain, at and to the western side of pass between highest portions of the mountain 883 Comment
  RSA479529  Allium munzii Steve Boyd, Walter Wisura 1987-4-29 2071 Riverside Gavilan Hills, south of Ida-Leona Road, south of Harford Springs County Park 640 Comment
  RSA574725  Allium munzii Steve Boyd 1982-3-28 s.n. Riverside Gavilan Hills region, Temescal Canyon, south slope of Alberhill Mountain just east of extensively mined area. 427 Comment
  UC1544762  Allium munzii Steve Boyd 1986-4-20 1725 Riverside hillside s Harford Springs County Park; Gavilan Plateau, Gavilan Hills 615 Comment
  UCR42165  Allium munzii Steve Boyd 1986-4-22 1781 Riverside Gavilan Hills, Summit of Estelle Mountain. 841 Comment
  UCR42428  Allium munzii Steve Boyd 1986-5-7 1827 Riverside Peninsular Range, Temescal Canyon, S slope of Alberhill Mountain 427 Comment
  UCR42430  Allium munzii Steve Boyd 1986-4-20 1725 Riverside Gavilan Plateau, Gavilan Hills, hillside south of Harford Springs County Park. 616 Comment
  UCR94487  Allium munzii Steve Boyd 1982-4-17 s.n. Riverside Gavilan Hills region, Temescal Canyon west of Horsethief Wash, south of Lee Lake on terrace escarpments just south of Di Palma Road. 396 Comment
  RSA583750  Allium peninsulare var. peninsulare Steve Boyd 1995-4-24 8481 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on northern flank of Agua Tibia Mountain at the north base of Wildhorse Peak, along the Wildhorse Trail near the northeastern corner of the Wilderness. 671 Comment
  RSA507970  Allophyllum divaricatum Steve Boyd, T. S. Ross 1988-4-28 2224 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus, in small side canyon, at head. Angeles National forest. 640 Comment
  RSA599544  Allophyllum gilioides subsp. gilioides Steve Boyd, A. C. Sanders, R. T. Hawke, Shaun Hawke, Susan Hobbs, Paul Hobbs 1997-4-20 9565 Kern San Emigdio Range: Pleito Hills region, San Emigdio Ranch, ridge on west side of Pleito Canyon, approximately 4.5 air miles due north of Antimony Peak. 1098 Comment
  UCR98802  Allophyllum gilioides subsp. gilioides Steve Boyd, A. C. Sanders, R. T. Hawke, S. Hawke, S. Hobbs, P. Hobbs 1997-4-20 9565 Kern San Emigdio Range, Pleito Hills, San Emigdio Ranch, ridge on W side of Pleito Canyon, c. 4.5 air mi due north of Antimony Peak 1220 Comment
  UCR68844  Allophyllum glutinosum Steve Boyd, T. S. Ross 1990-5-11 4623 Riverside Agua Tibia Mountains, Cleveland National Forest, base of Agua Tibia Mtn, east of Dripping Springs campground, south of Hwy 79 671 Comment
  SD152789  Allophyllum glutinosum Steve Boyd, Tim Ross 1992-5-20 7452 Orange San Mateo Canyon Wilderness Area; western edge of the wilderness in Lucas Canyon along a new secdtion of trail heading up major side canyon northwart to Sitton Peak Road. 29 Comment
  RSA731094  Allophyllum violaceum Steve Boyd, Valentin Arvizu 2008-5-1 11971 Kern Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley. 1372 Comment
  UCR200793  Allophyllum violaceum Steve Boyd, Valentin Arvizu 2008-5-1 11971 Kern Southern Sierra Nevada Range, Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley 1463 Comment
  UCR224028  Alnus rhombifolia Steve Boyd, Valentin Arvizu, Rick Riefner 2006-9-21 11688 Los Angeles Transverse Ranges; Verdugo Mountains region, Along La Tuna Creek between La Tuna Canyon Road and 210 Freeway. Comment
  RSA562809  Aloe arborescens Steve Boyd, Timothy S. Ross 1992-5-20 7481 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of the wilderness in Lucas Canyon. 351 Comment
  RSA335170  Alopecurus aequalis Steve Boyd, Karlin G. Marsh 1985-6-11 1145 San Bernardino San Bernardino Mountains. Bear Valley area. North shore of Baker Lake, about 1 mile east of the Stanfield Cut-off. Comment
  RSA701183  Aloysia wrightii Steve D. Boyd, Sula Vanderplank, Valentin Arvizu 2004-10-13 11561 San Bernardino [SE] end of the Mescal Mtns, south of Clark Mountain and Interstate 15, [SE] of Mountain Pass. 1600 Comment
  RSA735382  Amaranthus albus Steve Boyd, Mark Elvin, Rick Burgess, Lloyd Simpson 2006-11-8 11703 Los Angeles southwestern shore of Quail Lake, extreme western end of Mojave Desert at north base of Liebre Mountains. 1024 Comment
  RSA562746  Amaranthus albus Steve Boyd, Timothy S. Ross 1992-5-19 7442 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of the wilderness in Lucas Canyon from crossing the creek by Lucas Canyon Trail, downstream to confluence with Aliso Canyon. 274 Comment
  RSA574559  Amaranthus deflexus Steve Boyd 1985-8-18 1122 San Diego De Luz Canyon: Along De Luz-Murrieta Road and De Luz Creek. 150 Comment
  CHSC101454  Amaranthus fimbriatus Steve Boyd 2007-11-1 11821 San Bernardino Mojave Desert; East Mojave Desert region: Orange Blossom wash area in alluvial basin between central portion of Bristol Mountains on west and northern end of Marble Mountains on east along gas pipeline road, west of Kelbaker Road, south of Interstate 40. 732 Comment
  RSA725384  Amaranthus fimbriatus Steve Boyd 2007-11-1 11821 San Bernardino Orange Blossom wash area in alluvial basin between central portion of Bristol Mountains on west and northern end of Marble Mountains on east along gas pipeline road, west of Kelbaker Road, south of Interstate 40. 732 Comment
  SBBG118893  Amaranthus fimbriatus S. Boyd with S. Vanderplank, V. Arvizu 2004-10-13 11597 San Bernardino Ivanpah Valley, upper bajada at NE base of the Ivanpah Mtns, S of Interstate 15 Comment
  UCR40472  Amaranthus retroflexus Steve Boyd 1985-7-23 1025 Riverside Santa Ana Mtns., Santa Rosa Plateau, De Luz Road, 8.5 mi. west of Rancho California 275 Comment
  RSA520975  Amaranthus torreyi Steve Boyd 1990-10-4 5207 San Bernardino Pass between Vontrigger Hills and Hackberry Mountains, E side of Lanfair Rd., 11 miles N of jct. with Goffs Rd. Comment
  SBBG96843  Amblyopappus pusillus S. Boyd with T. Ross, L. Arnseth 1990-4-7 4221 Los Angeles lower part of China Cyn Comment
  RSA457761  Ambrosia dumosa Steve Boyd, Timothy S. Ross, L. Arnseth, D. Nordin, Richard Noyes, S. Meury 1988-3-10 2124 Riverside N. end of Palen Mtns, 2 mi west of Palen Pass. 300 Comment
  RSA570329  Ambrosia dumosa Steve Boyd, Timothy S. Ross, W. Appleby 1993-3-19 7838 San Bernardino Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range.[Northeast] Southern base of the Avawatz Range on lower third of alluvial fan below Sheep Creek Springs Canyon. 200 Comment
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Apr 2 2017
  SBBG105065  Ambrosia dumosa S. Boyd with T. Ross, W. Appleby 1993-3-19 7838 San Bernardino S base of the Avawatz Range, on lower third of alluvial fan below Sheep Crk Springs Cyn. 200 Comment
  UC1928416  Ambrosia dumosa Steve Boyd 2007-11-1 11818 San Bernardino Mojave Desert; East Mojave Desert region; Orange Blossom wash area in alluvial basin between central portion of Bristol Mountains on west and northern end of Marble Mountains on east along gas pipeline road, west of Kelbaker Road, south of Interstate 40. 732 Comment
  HSC80290  Ambrosia psilostachya Steve Boyd 1985-8-7 1104 Riverside Santa Rosa Plateau Region, NW base of Redona Mesa on Tenaja Rd., 0.8 mi.. east of junction with 8S01 and 8S02 Comment
  SD152960  Ambrosia psilostachya Steve Boyd, Tim Ross and Dave Bramlet 1992-9-9 7659 Riverside Southern Santa Ana Mountains; upper San Mateo Canyon from the junction of Tenaja Road and Los Alamos Road at the confluence of Los Alamos Creek. 395 Comment
  UCR48428  Ambrosia salsola Steve Boyd, Carol Boyd, Biddy Roy 1986-2-2 1205 San Diego Peninsular Range/ Sonoran (Colorado) Desert, Hwy S-2 (San Felipe Road), 10.3 mi south of the junction with Hwy 79 in San Felipe Valley Comment
  RSA557886  Amorpha californica Steve Boyd, Orlando Mistretta 1992-4-22 7023 San Diego Southern Santa Ana Mountains, san Mateo canyon Wilderness Area. Along Clark Trail from Indian Potrero, east in San Mateo Canyon. 244 Comment
  RSA0012100  Amorpha californica var. californica Steve Boyd, Valentin Arvizu, Rick Riefner 2006-9-21 11698 Los Angeles Side drainage of La Tuna Creek just west of La Tuna Canyon Road offramp from 210 Freeway on north side of the highway. 427 Comment
  RSA562096  Amorpha fruticosa Steve Boyd, Orlando Mistretta 1992-4-23 7038 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Creek from Clark Trail downstream to narrows near border with Camp Pendleton. 152 Comment
  UC1928630  Amorpha fruticosa Steve Boyd, Aydee Virgen 2004-4-13 10849 Riverside Peninsular Ranges; Santa Ana Mountains region; San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UCR200689  Amorpha fruticosa Steve Boyd, Aydee Virgen 2004-4-13 10849 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  RSA565630  Amphipappus fremontii Steve Boyd, Timothy S. Ross, W. Appleby 1993-3-18 7743 Inyo Resting Spring Range, 4 miles east of Shoshone, upper bajada and lower slopes along western side of range, 1.1 miles SE of Highway 178. 600 Comment
  UCR200767  Amphipappus fremontii subsp. fremontii Steve Boyd, LeRoy Gross 2008-4-11 11854 Inyo North Mojave Desert, Southwestern base of Dublin Hills at eastern edge of lower Greenwater Valley, west of Shoshone, bajada east of Furnace Creek Wash Road, north and east to lowest rocky slopes and outlying hills 700 Comment
  SBBG95668  Amsinckia intermedia S. Boyd 1986-3-1 1366 Riverside Gavilan Plateau, Gavilan Hills: 0.25 mi S of Harford Springs County Park 640 Comment
  SD136888  Amsinckia intermedia Steve Boyd 1986-4-2 1618 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park 609 Comment
  UCR71269  Amsinckia spectabilis Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4356 Los Angeles Channel Islands, San Clemente Island: E side of the island, near Malo Point, third canyon south of Bryce Canyon 427 Comment
  RSA0091431  Amsinckia tessellata Steve Boyd, Michael Denslow 2004-3-23 10655 San Bernardino Flats southwest of Sleeping Beauty Mountain, southern end of the Cady Mountains northwest of Ludlow (north of Interstate 40) along powerline/pipeline access road. 756 Comment
  RSA517932  Amsinckia tessellata Steve Boyd 1986-3-1 1372 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park. 640 Comment
  UCR148389  Amsinckia tessellata Steve Boyd, Tammy Morgan 2004-3-30 10695 San Bernardino Central Mojave Desert, S end of the Cady Mountains, NW of Ludlow (N of Interstate 40) about hill topped with communication towers 854 Comment
  HSC101588  Amsinckia tessellata var. tessellata Steve Boyd 2005-4-6 11623 San Bernardino Mojave Desert; East Mojave Desert region: Sheep Corral area, southern base of the Granite Mountains, west of Kelbaker Road, north of Interstate 40 299 Comment
  OBI70938  Amsinckia tessellata var. tessellata Steve Boyd, Lauren Raz 1997-3-26 9332 Los Angeles Liebre MTs region: Portal ridge N of Lake Hughes upper end of Myrick cyn drainage along lakeview rd.T7N R15W NE 1/4 NW 1/4 NE 1/4 sec 23 1134 Comment
  RSA0091446  Amsinckia tessellata var. tessellata Steve Boyd, Michael Wall 1996-4-4 8537 Los Angeles Liebre Mountains, ridgeline and adjacent slopes of side canyon to Charlie Canyon, west of San Francisquito Canyon off Angeles National Forest Road 5N17, ca 1.4 road miles south of jtn with 5N16. 549 Comment
  UC1563007  Amsinckia tessellata var. tessellata Steve Boyd 1986-3-1 1372 Riverside 1/4 mi s Harford Springs County Park; Gavilan Plateau, Gavilan Hills 640 Comment
  SD152774  Anagallis arvensis Steve Boyd, Tim Ross 1992-4-29 7121 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, southeast of Indian Potrero at base of eastern-most segment of Clark Trail 213 Comment
  RSA557785  Anagallis arvensis Steve Boyd, Tim S. Ross 1992-4-29 7121 San Diego San Mateo Canyon Wilderness Area. San Mateo Canyon, southeast of Indian Potrero at base of eastern-most segment of Clark Trail. 213 Comment
  RSA500099A  Ancistrocarphus filagineus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3211 Riverside Vail Lake Area, W end of bench on S flank of Oak Mt. 518 Comment
  RSA523525  Ancistrocarphus filagineus Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3984 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR95744  Ancistrocarphus filagineus Steve Boyd, O. Mistretta, J. Dolan 1996-4-18 8548 Los Angeles Liebre Mtns., upper Osito Canyon between Interstate 5 and Old Ridge Route 854 Comment
  RSA387380  Androsace elongata subsp. acuta Steve Boyd, M. Doyle, B. Roy, S. Meury 1986-4-12 1675 San Bernardino North base of San Bernardino Mountains: Arrowhead Lake Road, ca. 2 mi. N of Mojave Forks Reservoir. Comment
  RSA611652  Androsace elongata subsp. acuta Steve Boyd, Lauren Raz, Mike Kinney 1998-3-17 10081 Los Angeles Liebre Mountains region: Anaverde Valley at north base of Sierra Pelona. 976 Comment
  RSA701920  Androstephium breviflorum Steve Boyd, Michael Denslow 2004-3-23 10649 San Bernardino Flats southwest of Sleeping Beauty Mountain, southern end of the Cady Mountains northwest of Ludlow (north of Interstate 40) along powerline/pipeline access road. 756 Comment
  UCR21887  Anemopsis californica Steve Boyd 1980-7-16 s.n. Riverside Peninsular Range, Motte Reserve, 2.5 mi NW of Perris, 0.3 mi south of secretary's house 518 Comment
  RSA701579  Anisocoma acaulis Steve Boyd, Naomi Fraga 2004-4-27 10918 San Diego Warner Springs area, flats east of gliderport, near the Pacific Crest Trail, south of Highway 79. Comment
  HSC66681  Antennaria suffrutescens D. Boyd, M. Eichelberger, Tim Messick, T. Ranker 1980-5-24 93 Del Norte On Low Divide Rd., Wimer Rd. at turnoff to Sourdough Campground 793 Comment
  RSA507979  Anthriscus caucalis Steve Boyd, Timothy S. Ross 1988-4-28 2234 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus, in small side canyon, at head. Angeles National forest. 640 Comment
  HSC85278  Antirrhinum coulterianum Steve Boyd 1986-5-1 1819 Riverside Lower S slopes of Bachelor Mtn., E end of Lake Skinner Comment
  RSA500209  Antirrhinum coulterianum Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3534 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA500552  Antirrhinum coulterianum Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-6-4 3595 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  RSA599825  Antirrhinum coulterianum Steve D. Boyd, Lauren Raz 1997-5-6 9754 Los Angeles Liebre Mountains region: Fish Canyon just upstream from the confluence with Castaic Creek. 500 Comment
  RSA569971  Antirrhinum filipes Steve D. Boyd, Tim S. Ross, Walter Appleby 1993-3-19 7874 San Bernardino North base of Old Women Mountains, south of Essex, eastern Mojave Desert; Honeymoon Wash along Willow Springs road, 0.5 miles west of Sunflower Springs Road ('Cross-fire Camp'). 1000 Comment
  RSA571494  Antirrhinum kelloggii Steve D. Boyd 1994-3-29 8227 San Diego Southwestern Cyamaca Mountians, Clevland National Forest, southwest slope of Poser Mountain, at northern edge of Viejas Grande and Conejos Valley Road. 762 Comment
  UC1871289  Antirrhinum kelloggii Steve Boyd 1994-3-29 8227 San Diego Southwestern Cyamaca Mountains, Cleveland National Forest, southwest slope of Poser Mountain, at northern edge of Viejas Grande and Conejos Valley Road. Comment
  RSA600024  Antirrhinum multiflorum Steve D. Boyd, Lauren Raz 1997-5-29 9926 Los Angeles Liebre Mountains region: North base of Portal Ridge, north of the San Andreas Rift Zone at the edge of the Antelope Valley, upper mouth of Cow Spring Canyon along the Pacific Crest Trail. 1128 Comment
  RSA552685  Antirrhinum nuttallianum subsp. nuttallianum Steve D. Boyd, Tim S. Ross, Orlando Mistretta 1992-2-26 6693 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  UC1979643  Antirrhinum nuttallianum subsp. nuttallianum Steve Boyd 1995-4-24 8488 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on northern flank of Agua Tibia Mountain at the north base of Wildhorse Peak, along the Wildhorse Trail near the northeastern corner of the Wilderness. Comment
  RSA561086  Aphanes arvensis Steve D. Boyd 1992-4-22 6995 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  RSA561771  Aphanes occidentalis Steve D. Boyd 1992-4-21 6956 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. ''Miller Creek'', a major drainage on south flank of Miller Mountian, upsteam from Forest Service Road 8S02. 641 Comment
  RSA526540  Aphanisma blitoides Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-7 4283 Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  HSC85461  Apiastrum angustifolium Steve Boyd 1986-4-2 1585 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA525410  Apiastrum angustifolium Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4518 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
  UCR21970  Apiastrum angustifolium Steve Boyd 1980-4-13 132 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  HSC85249  Apium graveolens Steve Boyd 1986-4-22 1728 Riverside Temescal Canyon: Walker Canyon area, where Alberhill Creek (=Temescal Creek) flows between Alberhill Mtn. and Gavilan Hills. Comment
  SD122932  Apium graveolens Steve Boyd 1985-7-23 1011 Riverside De Luz Road, 7 miles west of Rancho California. 365 Comment
  RSA335149  Arabis holboellii var. retrofracta Steve Boyd, Karlin Marsh 1985-6-11 1173 San Bernardino San Bernardino Mountains. Bear Valley area. North shore of Baker Lake, about 1 mile east of the Stanfield Cut-off. Comment
  RSA725349  Arabis lemmonii var. lemmonii Steve Boyd, Carol Boyd 2007-9-12 11754 Mono Pass between Virginia Lakes Basin and Summit Lake, ca. 2 airline miles southwest of Dunderberg Peak and 1 airline mile west of Black Mountain. 3232 Comment
  RSA599253  Arabis pulchra Steve Boyd, Lauren Raz 1997-3-31 9428 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 914 Comment
  UCR51862  Arabis pulchra Steve Boyd, T. S. Elias 1987-4-14 2051 Los Angeles San Gabriel Mtns., Rincon to Red Box Road, south of Rincon Forest Station, north of Glendora 991 Comment
  RSA583356  Arabis sparsiflora var. californica Steve Boyd, Darin Banks 1995-3-30 8405 Riverside Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the western edge of the Dripping Springs Alcove in tributary of Kolb Creek just east of the old Woodchuck Truck Trail road grade, just south of the Wilderness boundary. 640 Comment
  RSA615917  Arceuthobium cyanocarpum Steve D. Boyd, Pesach Lubinsky 1998-8-11 10276 San Bernardino San Bernardino Mountains: Ridgeline between Sugarlump (aka Bear Mountain) and Sugarloaf Peak, upper watershed of Sand Canyon. 2591 Comment
  RSA629360  Arctostaphylos glandulosa Steve Boyd, Tim Ross, Orlando Mistretta 1992-3-31 6756 Riverside San Mateo Cyn. Wilderness Area. Tenaja Trail from jtn w/ Morgan Tr. S to Pigeon Spring area. 671 Comment
  RSA520945  Arctostaphylos glandulosa subsp. glandulosa Steve Boyd, D. E. Bramlet 1988-10-8 2869 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  UCR91624  Arctostaphylos glandulosa subsp. glandulosa Steve Boyd, D. L. Banks 1995-4-6 8440 San Diego Palomar Range, Agua Tibia Wilderness Area, NE flank of Agua Tibia Mtn, Arroyo Seco tributary at N base of Eagle Crag, from the Wildhorse Trail E to the main trunk of Arroyo Seco 976 Comment
  RSA485422  Arctostaphylos glandulosa subsp. mollis Steve Boyd 1987-4-14 2043 Los Angeles Rincon - Red Box Rd. S. of Rincon Forest Station, N. of Glendora Comment
  UCR148208  Arctostaphylos glauca Steve Boyd, Leroy Gross 2004-5-4 11135 San Diego Peninsular Ranges; Anza Bench region, hills north of Warner Springs, north Indian Flats Campground of Cleveland National Forest along Road 9S05 899 Comment
  RSA508008  Arctostaphylos pringlei subsp. drupacea Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2300 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  UC1979649  Arctostaphylos pringlei subsp. drupacea Steve Boyd 1995-4-25 8507 San Diego Palomar Range, Agua Tibia Wilderness Area, western crest of Agua Tibia Mountain at the end of Palomar Divide Trail, west of the junction with the Dripping Springs Trail. Comment
  UCR121226  Arctostaphylos pringlei subsp. drupacea Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2300 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  RSA575903  Arctostaphylos rainbowensis Steve Boyd 1994-10-14 8380 Riverside Southern Santa Ana Mountains, San Mateo Cantyon Wilderness area of the Cleveland National Forest. Fisherman's Camp Trail (7S02) from Wildomar Road (7S01) west into Tenaja Canyon at its confluence with San Mateo Canyon. Fisherman's Camp. 462 Comment
  UCR90385  Arenaria douglasii Steve Boyd 1995-4-24 8480 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on N flank of Agua Tibia Mtn, at N base of Wildhorse Peak. Along the Wildhorse Trail near its junction with the Dripping Springs Trail. 610 Comment
  UCR101511  Arenaria macradenia var. arcuifolia Steve Boyd, Et al. 1997-7-8 10006 B Los Angeles Liebre Mountian Region, SE flank of Liebre Mtn., along ridge dividing Fish Cyn. and Bear Cyn. drainages, NE of Atmore meadows, along rough dirt track following old fuel break. 1744 Comment
  UCR101512  Arenaria macradenia var. kuschei Steve Boyd, T. S. Ross, Laura A. Moore, Valerie Soza 1997-7-8 10012 Los Angeles San Gabriel Mtns., Upper N flank of Liebre Mountain at head of Tenrock Canyon along dirt track near FS wildlife drinker site 1585 Comment
  UCR102415  Arenaria macradenia var. kuschei Steve Boyd 1997-9-10 10028 Los Angeles Liebre Mountains Region, Upper N flank of Liebre Mtn. at head of Tentrock Canyon along dirt track NE of Forest Service wildlife drinker. 1573 Comment
  CHSC103795  Argemone corymbosa Steve Boyd; M. Denslow, A. Maurice, S. Swartzentruber, A. Virgen 2003-6-27 10540 Tulare Sierra Nevada; Southern Sierra Nevada region: Chimney Peak Recreation Area, summmit of northern high point on Bear Mountain (Bear Peak).WUTM Zone 11; 3971224N 402995E. 2509 Comment
  HSC66071  Argemone munita subsp. rotundata D. Boyd, Tim Messick, M. Eichelberger, T. Ranker 1980-4-19 28 Lake Along Walker Ridge Rd., 1.3 mi. S of junction with access road to Indian Valley Dam. Comment
  CAS-BOT-BC207116  Argythamnia lanceolata Steve Boyd 1986-2-6 1240 Imperial Large canyon at SE end of mountains, 5.4 miles NE of I-8 off Sidewinder Road and Power-line Road, Cargo Muchacho Mountains Comment
  CAS-BOT-BC207117  Argythamnia lanceolata Steve Boyd; Tammy Morgan; Aydee Virgen; Sarah DeGroot; Valentin Arvizu; Tim Thibault 2004-5-14 11225 Riverside Western base of the Chocolate Moutnains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Comment
  RSA562082  Aristida adscensionis Steve Boyd, Timothy S. Ross 1992-5-6 7290 San Diego Southern Anta Ana Mountains, San Mateo Canyon Wilderness Area. Southern flank of Miller Mountain about upper portions of Miller Canyon, the major drainage on the southern flank of the mountain, 701 Comment
  RSA571517  Aristida adscensionis Steve Boyd, Timothy S. Ross 1994-3-29 8251 San Diego Southwestern Cuyamaca Mountains, Cleveland National Forest, W base of Viejas Mountain. 793 Comment
  RSA701923  Aristida adscensionis Steve Boyd, Michael Denslow 2004-3-23 10645 San Bernardino Lavic Mountain, southern end of the Cady Mountains northwest of Ludlow (north of Interstate 40) along powerline/pipeline access road. Comment
  RSA735401  Aristida adscensionis Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah DeGroot, Valentin Arvizu, Tim Thibault 2004-5-14 11231 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  SBBG96689  Aristida adscensionis S. Boyd with T. Ross, L. Arnseth 1990-4-7 4193 Los Angeles upper reaches of China Cyn Comment
  UCR200288  Aristida adscensionis Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11231 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  SEINET3918941  Aristida parishii Steve Boyd 1990-10-3 5172 San Bernardino Providence Mtns., Eastern Mojave Desert. Road over Foshay Pass, E side of range, 5.7 mi E of essex Rd.; 0 Comment
  UCR222359  Aristida purpurea var. nealleyi Steve Boyd 2007-10-29 11795 San Bernardino Mojave Desert; East Mojave Desert region, Brown Buttes area at northwestern end of Marble Mountains, on road to microwave towers east of Kelbaker Road, just south of Interstate 40 915 Comment
  RSA575883  Aristida purpurea var. parishii Steve Boyd 1981-3-13 s.n. Riverside Gavilan Hills regiion, upper western flank of Estelle Mountain. 671 Comment
  RSA517978  Artemisia bigelovii Steve Boyd, Kendall McCulloh 1990-10-7 5278 San Bernardino Gilroy Canyon drainage, E flank of Providence Mountains, from canyon mouth to summits of Edgar, Mitchell Peaks. Comment
  UCR70292  Artemisia bigelovii Steve Boyd, K. Mcculloh 1990-10-7 5278 San Bernardino Eastern Mojave Desert, Gilroy Canyon drainage, E flank of Providence Mts, from canyon mouth to summits of Edgar, Mitchell Peaks Comment
  RSA600545  Artemisia californica Steve Boyd, Lauren Raz 1997-5-28 9850 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 866 Comment
  UC1929583  Artemisia californica Steve Boyd 2007-2-17 11713 San Luis Obispo Coast Ranges, La Panza Range; Los Padres National Forest along Pozo Road at Pozo Summit, at divide between Pozo Creek drainage and Mariana Creek drainage. 803 Comment
  OBI37534  Artemisia douglasiana Steve Boyd 1985-7-30 1050 San Diego lower Cottonwood Cyn, near its confluence with De Luz cr Comment
  RSA596977  Artemisia douglasiana Steve Boyd 1996-9-28 8975 San Diego Vicinity of Indian Flats in the hills north of Warner Springs and south of Chihuahua Valley, west of Hot Springs Mountain, along Forest Service Road 9S05. 1165 Comment
  RSA520088  Artemisia dracunculus Steve Boyd, David E. Bramlet 1988-10-8 2880 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  UCR21159  Artemisia dracunculus Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  RSA520080  Artemisia tridentata Steve Boyd, David E. Bramlet 1988-10-8 2877 Riverside Cahuilla Mountain, southwest of Anza at head of Bautista Canyon, along crest of the mountain Comment
  UCR200714  Artemisia tridentata Steve Boyd, LeRoy Gross 2004-5-4 11114 San Diego Peninsular Ranges; Anza Bench region, hills north of Warner Springs, north Indian Flats Campground of Cleveland National Forest along Road 9S05 899 Comment
  RSA594313  Artemisia tridentata subsp. parishii Steve Boyd, Lauren Raz 1996-10-14 9045 Los Angeles Liebre Mountains region, Agua Dulce Canyon, just north of Highway 14 and the confluence with Escondido Canyon, along Agua Dulce Canyon Road. 671 Comment
  RSA595637  Artemisia tridentata subsp. tridentata Steve Boyd, Lauren Raz 1996-10-8 9011 Los Angeles Liebre Mountains region, upper southerly flank of Martindale Canyon, just up from Willow Spring on Forest Service Road 6N08, ca. 0.2 miles northwest of the junction with 6N07. 1402 Comment
  RSA496476  Asclepias californica Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-31 3095 Riverside Vail Lake area, S of Hwy 79, Kolb Creek drainage, W of Woodchuck Rd. 488 Comment
  RSA500546  Asclepias californica Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3617 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, S of Hwy 79. 488 Comment
  SD136931  Asclepias fascicularis Steve Boyd, Tim Ross 1992-6-9 7616 San Diego Santa Ana Mountains, San Mateo Cyn Wilderness Area. Miller Mountain, in private inholding at springy area at head of Miller Canyon 730 Comment
  RSA583469  Asparagus officinalis Steve Boyd, Mark Elvin 1995-8-3 8526 San Diego Guatay Mountain, north base of the mountain about 0.25 miles south of old Highway 80, at the west end of the community of Guatay along old road leading up to a water tank. 1220 Comment
  UCR93056  Aster subulatus Steve Boyd, D. Banks 1994-9-29 8363 Riverside Lake Elsinore, Floodplain east of dike along San Jacinto River, west of Sedco Hills community 381 Comment
  RSA594407  Aster subulatus var. ligulatus Steve Boyd, Lauren Raz 1996-10-14 9085 Los Angeles Liebre Mountains region, southwest end of Quail Lake, in seasonally flooded depression on south side of Highway 138. 1021 Comment
  RSA612112  Astragalus didymocarpus var. didymocarpus Steve Boyd, Valerie Soza 1998-4-28 10155 Los Angeles Liebre Mountains region: Plum Canyon southwest of Cruzan Mesa along Arline Road ca 2 miles west of junction with Sierra Highway in Mint Canyon, top of ridge on south side of the canyon. 634 Comment
  RSA612111  Astragalus gambelianus Steve Boyd, Valerie Soza 1998-4-28 10156 Los Angeles Liebre Mountains region: Plum Canyon southwest of Cruzan Mesa along Arline Road ca 2 miles west of junction with Sierra Highway in Mint Canyon, top of ridge on south side of the canyon. 634 Comment
  UCR22096  Astragalus gambelianus Steve Boyd 1980-5-21 s.n. Riverside Gavilan Hills, Harford Springs County Park, on the NW corner of the Gavilan plateau. Comment
  UCR68931  Astragalus miguelensis Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4208 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  RSA520982  Astragalus nutans Steve Boyd 1990-10-4 5244 San Bernardino New York Mountains, Upper part of Carruther's Canyon , along stream below Giant Ledge Mine. Comment
  RSA701549  Astragalus nuttallianus Steve Boyd, Tammy Morgan 2004-3-30 10740 San Bernardino Pisgah lava beds just south of old Route 66 and I-40, west of Ludlow and 7.8 miles east of Fort Cady Road. 600 Comment
  SBBG119033  Astragalus nuttallianus S. Boyd with T. Morgan 2004-3-30 10740 San Bernardino Pisgah lava beds just S of old Rte 66 and I-40, W of Ludlow and 7.8 mi E of Fort Cady Rd 600 Comment
  UCR59498  Astragalus pachypus var. jaegeri Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3226 Riverside Peninsular Range, Vail Lake area, sandstone ridge between Kolb Creek and Temecula Creek, forming peninsula at SW end of Lake. Comment
  OBI70590  Astragalus purshii var. tinctus Steve Boyd, Lauren Raz 1997-5-1 9672 Los Angeles Liebre Mts Region: Sierra Pelona ridgeline, about 1.5 mi W of Mt. McDill and 1.3 mi S-SE of Lincoln Crest, the head of Bouquet Cyn. T6N R13W E1/2 NW 1/4 sec 31 1512 Comment
  RSA516886  Athysanus pusillus Steve Boyd 1986-3-1 1373 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park. 640 Comment
  RSA525687  Athysanus pusillus Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4558 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
  RSA611646  Athysanus pusillus Steve Boyd, Valerie Soza, Mike Kinney, J. Mark Porter 1998-3-24 10126 Los Angeles Liebre Mountains region: North base of Portal Ridge, north of the San Andreas Rift Zone at the edge of the Antelope Valley, upper mouth of Cow Spring Canyon along the Pacific Crest Trail 1054 Comment
  SD181650  Athysanus pusillus Steve Boyd, Valerie Soza 2001-3-27 10327 San Diego Agua Tibia Mts, western end of range, south of Pechanga Indian Reservation & east of Magee Rd, large grassland area on upper western flank of Agua Tibia Mts. Within area burned in fall 2000 Pechanga fire. 1096 Comment
  RSA597997  Athysanus pusillus Steve Boyd, Lauren Raz 1997-3-14 9169 Los Angeles Liebre Mountains, lower north flank of Liebre Mountain, along Pacific Crest Trail on top of ridgeline east of Horse Camp Canyon., Near 34 deg 43' 55.9''N 118 deg 39' 33.8''W. 1450 Comment
  POM575925  Atriplex argentea subsp. expansa Steve Boyd, D. L. Banks 1994-9-29 8365 Riverside Floodplain E of dike along San Jacinto River, W of Sedco Hills community. 381 Comment
  RSA543882  Atriplex coronata var. notatior Steve Boyd, Dave Bramlet 1991-5-13 6238 Riverside Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. N of Santa Fe RR tracks, W of San Diego aqueduct. Comment
  RSA565641  Atriplex hymenelytra Steve Boyd, W. Appleby, Timothy S. Ross 1993-3-18 7732 Inyo Resting Spring Range, 4 miles east of Shoshone, upper bajada and lower slopes along western side of range, 1.1 miles SE of Highway 178. 600 Comment
  RSA701087  Atriplex hymenelytra Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11247 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  UCR95166  Atriplex lentiformis Steve Boyd, Valerie Soza, V. Jotikasthira, Lauren Raz 1996-7-11 8908 Los Angeles Liebre Mountains, Castaic Creek from Fish Canyon downstream to power plant, just north of upper end of Castaic Lake. 500 Comment
  SEINET4135521  Atriplex polycarpa Steve Boyd 1996-10-8 9020 Los Angeles Liebre Mountains region, rugged hills at eastern edge of Bouquet Canyon, south of Vasquez Canyon and northwest of Cruzan Mesa, along Vasquez Canyon Road, about 0.9 miles east of junction with Bouquet Canyon Road.; 0 524 Comment
  SEINET4136174  Atriplex serenana var. serenana Steve Boyd, L. Raz 1996-10-14 9036 Los Angeles Liebre Moutains region, Agua Dulce Canyon, just north of Highway 14 and the confluence with Escondido Canyon, along Agua Dulce Canyon Road.; 0 671 Comment
  UCR93049  Atriplex suberecta Steve Boyd 1986-4-19 1721 Riverside Peninsular Range, Temescal Canyon, Warm Springs Valley, Alberhill Creek east of Nichols Road 366 Comment
  UCR148357  Avena barbata Steve Boyd, Lisa Rojas 2004-5-26 11380 San Diego Cuyamaca-Laguna Mtns, In-Ko-Pah Mtns, western flank of Thing Valley, northeast of transit station Posta, Cleveland National Forest along forest service road 1463 Comment
  UCR22138  Avena barbata Steve Boyd 1980-5-11 228 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  OBI69139  Avena fatua Steve Boyd, Lauren Raz 1997-3-26 9357 Los Angeles Liebre Mts Region: Northern base of Portal Ridge at the mouth of Myrick Cyn, southern edge of the Antelope Valley, S of Fairmont Reservoir 1158 Comment
  RSA599329  Avena fatua Steve Boyd, Lauren Raz 1997-3-26 9357 Los Angeles Liebre Mountains region: Northern base of Portal Ridge at the mouth of Myrick Canyon, southern edge of the Antelope Valley, south of Fairmont Reservoir. 976 Comment
  RSA621887  Baccharis emoryi Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 3004 Riverside Vail Lake area, Temecula Creek Cyn below Vail Lake Dam 457 Comment
  UCR22194  Baccharis salicina Steve Boyd 1980-11-10 365 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR123297  Bahia dissecta Steve Boyd 1990-10-4 5212 San Bernardino Eastern Mojave Desert, New York Mountains. Upper part of Caruther's Canyon on slopes and ridgetops Comment
  RSA569961  Bahiopsis parishii Steve Boyd, Timothy S. Ross, W. Appleby 1993-3-19 7855 San Bernardino North base of Old Women Mountains, south of Essex, eastern Mojave Desert; Honeymoon Wash along Willow Springs road, 0.5 miles west of Sunflower Springs Road ('Cross-fire Camp'). 1000 Comment
  SD136890  Bahiopsis parishii Steve Boyd, Tim Ross,W. Appleby 1993-3-19 7861 San Bernardino North base of Old Women Mountains south of Essex, Honeymoon Wash on Willow Springs road, 0.5 miles west of Sunflower Springs Road,East Mojave 1000 Comment
  UCR99488  Balsamorhiza deltoidea Steve Boyd, Lauren Raz 1997-3-26 9379 Los Angeles San Gabriel Mtns., Liebre Mountains, Sierra Pelona Ridge, Willow Spring on the S flank of Martindale Cyn near the N end of Bouquet Cyn, south of upper end of reservoir along Forest Service Rd 6N08. 1311 Comment
  RSA593465  Barbarea orthoceras Steve Boyd, Michael Wall 1996-5-16 8786 Los Angeles Liebre Mountains, Ruby Canyon upstream from confluence with Elizabeth Lake Canyon at northwest end of Red Mountain, along Ruby Canyon Road ca. 0.9 mi E of jtn with Lake Hughes Road. 622 Comment
  RSA575817  Bassia hyssopifolia Steve Boyd 1982-4-27 s.n. San Diego De Luz Canyon: Along De Luz-Murrieta Road and De Luz Creek. 150 Comment
  OBI37543  Bebbia juncea Steve Boyd 1985-7-23 1021 Riverside De Luz Rd, 8.5 mi west of Rancho Califonria 274 Comment
  SD122974  Bebbia juncea var. aspera Steve Boyd 1985-7-23 1021 Riverside De Luz Road; 8.5 miles west of Rancho California. 274 Comment
  UC1928461  Bebbia juncea var. aspera Steve Boyd 2007-11-1 11816 San Bernardino Mojave Desert; East Mojave Desert region; Orange Blossom wash area in alluvial basin between central portion of Bristol Mountains on west and northern end of Marble Mountains on east along gas pipeline road, west of Kelbaker Road, south of Interstate 40. 732 Comment
  HSC87152  Berberis nevinii Steve Boyd, Dave Kelly 1986-6-20 1959 Los Angeles San Francisquito Cyn at LADWP pump station #2, S of pump Comment
  UC1563046  Berberis nevinii Steve Boyd, Tim Ross, and Laurel Arnseth 1989-4-2 3224 Riverside sandstone ridge between Kolb Creek and Temecula Creek (forming peninsula at sw end of lake); Vail Lake Comment
  UCR99504  Berberis nevinii Steve Boyd, Mark Elvin 1997-1-25 9126 Los Angeles San Gabriel Mtns., Southern base of the Mtns, upper Western edge of the alluvial fan spilling from the mouth of San Antonio Canyon, just south of Mt. Baldy Road and west of Padua Ave. 543 Comment
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May 31 2011
  RSA594466  Berula erecta Steve Boyd, Lauren Raz 1996-9-24 8942 Los Angeles Liebre Mountains, Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain 915 Comment
  RSA701744  Bloomeria crocea Steve Boyd, Valerie Soza 2004-6-22 11541 Riverside Western flank of the range in Hall Canyon, at the south end of Lake Fulmor, just north of Hwy 243. 1646 Comment
  UCR218064  Bloomeria crocea Steve Boyd 2010-6-9 12291 San Diego Santa Ana Mountains, Ridgeline south of Devil Canyon along Margarita Peak Road (8S01) west of ''Sky Ranch' 732 Comment
  CAS-BOT-BC25671  Boechera pulchra Steve Boyd; Dave Bramlet 1986-6-9 1926 Tulare Southern Sierra Nevada Mountains. Chimney Creek Canyon. Saddle on east flank Peak 7155, south of Chimney Meadow. 2133 Comment
  CHSC108909  Boerhavia coulteri var. palmeri Steve Boyd 2007-10-29 11780 San Bernardino Mojave Desert; East Mojave Desert region: Brown Buttes area at northwestern end of Marble Mountains, on road to microwave towers east of Kelbaker Road, just south of Interstate 40. Locally common on alluvial fan. 915 Comment
  RSA608165  Boerhavia wrightii Steve Boyd, Valerie Soza, Tasha La Doux 1997-10-13 10051 C Riverside Sonoran (Colorado) Desert Chuckwalla Mtns, NW base of the range, south of Eagle Mine Rd exit on Hwy I-10. 426 Comment
  UCR225695  Boerhavia wrightii Steve Boyd, Sula Vanderplank & Valentin Arvizu 2004-10-13 11615 San Bernardino Eastern Mojave Desert, Ivanpah Valley: upper bajada at NE base of the Ivanpah Mtns, south of Interstate 15 Comment
  RSA560509  Boisduvalia densiflora Steve Boyd, T. S. Ross, M. Wall 1992-6-2 7504 San Diego Southern Santa Ana Mts., San Mateo Canyon Wilderness Area. Devil Canyon from confluence with Miller Creek downstream approximately one mile. 487 Comment
  RSA701290  Bouteloua aristidoides Steve Boyd, Sula Vanderplank, Valentin Arvizu 2004-10-13 11609 San Bernardino Ivanpah Valley: upper bajada at NE base of the Ivanpah Mtns, south of Interstate 15 Comment
  UC1928616  Bouteloua aristidoides Steve Boyd 2007-11-1 11808 San Bernardino Mojave Desert; East Mojave Desert region; Orange Blossom wash area in alluvial basin between central portion of Bristol Mountains on west and northern end of Marble Mountains on east along gas pipeline road, west of Kelbaker Road, south of Interstate 40. 732 Comment
  UCR48448  Bouteloua aristidoides Steve Boyd 1986-2-6 1237 Imperial Sonoran (Colorado) Desert, Cargo Muchacho Mountains, large canyon at SE end of mountains, 5.4 miles NE of Interstate Hwy 8, off Sidewinder Road and powerline road 183 Comment
  RSA517833  Bouteloua barbata Steve Boyd, Orlando Mistretta 1986-3-13 1457 Riverside West side Palen Mountains: NE of Desert Center. Comment
  UC1928672  Bouteloua barbata Steve Boyd 2007-11-1 11815 San Bernardino Mojave Desert; East Mojave Desert region; Orange Blossom wash area in alluvial basin between central portion of Bristol Mountains on west and northern end of Marble Mountains on east along gas pipeline road, west of Kelbaker Road, south of Interstate 40. 732 Comment
  RSA517979  Bouteloua curtipendula Steve Boyd 1990-10-7 5281 San Bernardino Gilroy Canyon drainage, E flank Providence Mountains: from canyon mouth to summits of Edgar [and] Mitchell Peaks. Comment
  UC1584077  Bouteloua curtipendula Steve Boyd 1990-10-4 5219 San Bernardino upper part Carruthers Cyn; Eastern Mojave Desert, New York Mountains Comment
  SEINET10517602  Bouteloua curtipendula Steve Boyd 1990-10-4 Boyd 5219 San Bernardino New York Mountains, Eastern Mojave Desert. Upper part of Carruther's Cyn on slopes and ridgetops. Granite and limestone w/ Pinus monophylla, Quercus turbinella, Boutelloua gracilis. Comment
  RSA517970  Bouteloua eriopoda Steve Boyd 1990-10-4 5257 San Bernardino South base of New York Mountains, mouth of Carruther's Canyon, 1.4 mile N of New York Mountian Road Comment
  SEINET3920843  Bouteloua eriopoda Steve Boyd 1990-10-4 5267 San Bernardino Round Valley, S of Pinto Mtn along Cedar Cyn Rd 4.7 mi E of jtn with Black Cyn Rd. E. Mojave Desert.; 0 Comment
  RSA517969  Bouteloua gracilis Steve Boyd 1990-10-4 5255 San Bernardino South base of New York Mountains, Eastern Mojave Desert. Mouth of Carruther's Canyon, 1.4 mile N of New York Mountain Road. Comment
  SEINET10528282  Bouteloua gracilis Steve Boyd 1990-10-4 Boyd 5226 San Bernardino New York Mountains, Eastern Mojave Desert. Upper part of Carruther's Cyn on slopes and ridgetops. Granite and limestone w/Pinus monophylla, Quercus turbinella, Boutelloua gracilis. Comment
  RSA517943  Bowlesia incana Steve Boyd 1990-10-4 5202 San Bernardino Pass between Vontrigger Hills and Hackberry Mountains, E side of Lanfair Rd., 11 miles N of jct. with Goffs Rd. Comment
  SBBG96962  Bowlesia incana S. Boyd with T. Ross, L. Arnseth 1990-4-8 4302 Los Angeles near Malo Pt, first cyn S of Bryce Cyn Comment
  UCR71254  Bowlesia incana Steve Boyd, T. Ross, et al 1990-4-8 4302 Los Angeles Channel Islands, San Clemente Island: east side of island, Bryce Canyon near Malo Point Comment
  UCR48419  Brandegea bigelovii Steve Boyd 1986-2-6 1242 Imperial Sonoran (Colorado) Desert, Cargo Muchacho Mountains, large canyon at SE end of mountains, 5.4 miles NE of Interstate Hwy 8, off Sidewinder Road and powerline road 183 Comment
  SD152952  Brickellia californica Steve Boyd, Time Ross and Dave Bramlet 1992-9-9 7685 Riverside Southern Santa Ana Mountains; upper San Mateo Canyon, from the junction of Tenaja Road and Los Alamos Road. 395 Comment
  RSA507984  Brickellia nevinii Steve Boyd, Timothy S. Ross 1988-4-28 2237 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus. In small canyon. Angeles National Forest. 640 Comment
  RSA595029  Brickellia nevinii Steve Boyd, Lauren Raz 1996-10-8 8992 Los Angeles Liebre Mountains region, Bouquet Canyon ca. 1.7 miles south of junction with Forest Service Road 6N08. 561 Comment
  RSA600582  Brickellia nevinii Steve Boyd, Lauren Raz 1997-4-30 9599 Los Angeles Liebre Mountains Region: About the confluence of Bear Canyon and Pine Canyon, between the southern flank of Liebre Mountain and northern flank of Red Rock Mountain, southwest of Gillette Mine 866 Comment
  RSA544398  Brickellia oblongifolia var. linifolia Steve Boyd 1991-6-8 6325 Riverside San jacinto Mts, Pinyon FLats area at jtn of Santa Rosa Mtn. Rd. and Hwy 74. 1400 Comment
  RSA560313  Brodiaea filifolia Steve Boyd, Timothy S. Ross 1992-6-4 7583 San Diego Southern Santa Ana Moutains, San Mateo Canyon Wilderness area. Southeastern edge of wilderness in upper Devil Canyon drainage, northwest of Sky Ranch 701 Comment
  RSA771881  Brodiaea filifolia Steve Boyd 2010-5-28 12285 Riverside Elsinore Peak, just south of Main Divide Road, eastern base of knoll south of peak 1021 Comment
  RSA0012073  Brodiaea santarosae Steve Boyd, Michael Wall 2006-7-7 11669 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. ''Miller Creek'', a major drainage on south flank of Miller Mountian, upsteam from Forest Service Road 8S02. Comment
  UCR218074  Brodiaea santarosae Steve Boyd 2010-5-26 12277 Riverside Santa Ana Mountains, Elsinore Peak, south slope, just north of trail along ''old Main Divide Road'' and east of road up to communications towers 1037 Comment
  RSA561855  Brodiaea terrestris subsp. kernensis Steve Boyd, Timothy S. Ross 1992-6-9 7604 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper northern flank of Miller Mountain, at and to the western side of pass between highest portions of the mountain. 793 Comment
  RSA771882  Brodiaea terrestris subsp. kernensis Steve Boyd 2010-5-28 12284 Riverside Elsinore Peak, just south of trail along old Main Divide Road at easternmost clay knoll east of main peak 1000 Comment
  RSA600156  Bromus Steve Boyd, Lauren Raz 1997-5-1 9650 Los Angeles Liebre Mountains Region: Sierra Pelona ridgeline, about 1.5 miles west of Mt. McDill and 1.3 miles south-southeast of Lincoln Crest, the head of Bouquet Canyon. 1463 Comment
  RSA600162  Bromus arenarius Steve Boyd, Lauren Raz 1997-5-1 9654 Los Angeles Liebre Mountains Region: Sierra Pelona ridgeline, about 1.5 miles west of Mt. McDill and 1.3 miles south-southeast of Lincoln Crest, the head of Bouquet Canyon. 1463 Comment
  SD152996  Bromus carinatus Steve Boyd 1992-4-15 6858 Riverside Santa Ana Mtns; San Mateo Cyn Wilderness area; Bluewater Cyn along Bluewater Tr; downstream to the confluence with San Mateo Creek 334 Comment
  SD152997  Bromus carinatus Steve Boyd, Tim Ross 1992-5-19 7417 Orange Southern Santa Ana Mountains; San Mateo Canyon Wilderness area; Western edge of the wilderness along Lucas Canyon trail from access road to Rancho Carrillo (7SO6) north into Aliso Canyon 366 Comment
  UCR138462  Bromus carinatus Steve Boyd, D. E. Bramlet 1986-6-9 1883 Tulare Southern Sierra Nevada Mtns., Chimney Creek Canyon, side canyon south of peak 7155 [7125], south of Chimney Creek Meadow 1738 Comment
  CAS-BOT-BC148819  Bromus carinatus var. marginatus Steve Boyd; Dave Bramlet 1986-6-9 1883 Tulare Southern Sierra Nevada Mountains. Chimney Creek Canyon. Side canyon south of Peak 7155, south of Chimney Meadow. 1737 Comment
  RSA600086  Bromus grandis Steve Boyd, Lauren Raz 1997-5-20 9799 Los Angeles Liebre Mountains region: Northern flank of Sawmill Mountain, upper Heryford Canyon drainage, just northeast of Sawmill Summit at the junction of Forest Service roads 7N23 and 7N08. 1341 Comment
  UCR160055  Bromus grandis Steve Boyd, Valerie Soza 2004-6-22 11539 Riverside Peninsular Ranges; San Jacinto Mountains region, Western flank of the range in Hall Canyon, at the south end of Lake Fulmor, just north of Hwy 243. 1646 Comment
  RSA562112  Bromus hordeaceus Steve Boyd 1992-4-14 6794 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewater Canyon, S of Sitton Peak. 793 Comment
  UCR99506  Bromus madritensis subsp. madritensis Steve Boyd, Lauren Raz 1997-5-6 9714 Los Angeles Liebre Mountains, San Francisquito Canyon, W side of canyon at E edge of Red Mtn ridge system, just north of confluence with Bee Canyon and 1.5 road mi. south of the Clearwater Canyon Truck Trail (6N24). 732 Comment
  SD152994  Bromus madritensis subsp. rubens Steve Boyd, Tim Ross 1992-4-29 7097 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western flank of Cold Spring Canyon, along the Clark Trail [from] the junction with the Cold Spring Trail to the crest of the ridge dividing Cold Spring and San Mateo Canyons. 487 Comment
  RSA600353  Bromus pseudolaevipes Steve Boyd, Lauren Raz 1997-5-28 9886 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 866 Comment
  RSA524447  Bromus rubens Steve Boyd, Timothy S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4083 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  RSA526560  Bromus rubens Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-7 4245 Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  RSA727855  Bromus rubens Steve Boyd, Tammy Morgan 2004-5-11 11178 Ventura Mount Pinos region: Topa Topa Mountains, east of Sespe Canyon near upper end of Tar Creek Road (and trail). Comment
  RSA491885  Bromus rubens Steve Boyd, D. Charlton, L. Arnseth, Sara Meury, D. Nordin, Richard Noyes, Timothy S. Ross 1988-4-8 1769 San Bernardino South side of Ord Mtn. N of Lucerne Valley. 10 miles N of the Bear Valley Rd. on Camp Rock Rd. 1372 Comment
  CAS-BOT-BC161603  Bromus sterilis Steve Boyd; Lauren Raz 1997-5-6 9759 Los Angeles Liebre Mountains Region. Fish Canyon just upstream from the conflunence with Castaic Creek. 499 Comment
  RSA0020664  Bromus tectorum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3599 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  RSA598901  Bromus tectorum Steve Boyd, Timothy S. Ross 1997-3-21 9217 Los Angeles Liebre Mountains, Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  RSA701425  Bromus tectorum Steve Boyd, Naomi Fraga 2004-4-27 10912 San Diego Warner Springs area, flats east of gliderport, near the Pacific Crest Trail, south of Highway 79. Comment
  UCR92223  Bromus tectorum Steve Boyd 1995-4-24 8477 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on N flank of Agua Tibia Mtn, at N base of Wildhorse Peak. Along the Wildhorse Trail near its junction with the Dripping Springs Trail. 610 Comment
  UCR65294  Bromus trinii Steve Boyd, D. E. Bramlet, Harry Spilman 1989-4-30 3514 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, N edge of the Gavilan Plateau, east of Gavilan Creek 610 Comment
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Mar 22 2011
  RSA725555  Calamagrostis muiriana Steve Boyd, Carol Boyd 2007-9-12 11748 Mono Pass between Virginia Lakes Basin and Summit Lake, ca. 2 airline miles southwest of Dunderberg Peak and 1 airline mile west of Black Mountain. 3232 Comment
  HSC66589  Calochortus amabilis D. Boyd, M. Eichelberger, Tim Messick, T. A. Ranker 1980-4-19 22 Lake Coldsprings Campground along access road to Indian Valley Dam Comment
  UCR99507  Calochortus clavatus var. gracilis Steve Boyd, Lauren Raz 1997-5-6 9710 Los Angeles Liebre Mountains, San Francisquito Canyon, W side of canyon at E edge of Red Mtn ridge system, just north of confluence with Bee Canyon and 1.5 road mi. south of the Clearwater Canyon Truck Trail (6N24). 732 Comment
  RSA599770  Calochortus kennedyi var. kennedyi Steve Boyd, David E. Bramlet, Harry Spilman, Nancy Hanson, Susan Hobbs 1997-5-10 9789 Los Angeles Liebre Mountains region: Extreme northwestern corner of the range in Peace Valley, small side canyon just east of Interstate 5 off Copco Road. 951 Comment
  RSA561495  Calochortus plummerae Steve Boyd, Kyle Boyd 1992-7-9 7655 Orange Northern Santa Ana Mountains, along the main crest of the range, north of Pleasants Peak and south of Oak Flat (aka Oat Flat), 1.5 miles south of junction of Main Divide and Skyline Roads. Comment
  RSA500978  Calochortus splendens Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3125 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  RSA501004  Calochortus splendens Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3122 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  RSA525421  Calochortus splendens Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4529 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at junction of Highway R3 and Powerline Road, NE of the lake. Comment
  CHSC2244  Calochortus superbus I. Boyd 1949-5-15 Tehama Road to Lassen, slightly below turn-off s. of Red Bluff. Comment
  RSA730887  Calochortus venustus Steve Boyd, Valentin Arvizu 2008-5-1 11975 Kern Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley 1372 Comment
  RSA502182  Calochortus weedii var. intermedius Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-6-11 3720 Riverside Vail Lake area, recently burned hills at W end of lake SW of dam. 488 Comment
  SD136973  Calochortus weedii var. weedii Steve Boyd, Tim Ross 1992-6-10 7624 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, near the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek 405 Comment
  RSA560310  Calycadenia tenella Steve Boyd 1992-6-4 7586 San Diego Southern Santa Ana Moutains, San Mateo Canyon Wilderness area. Southeastern edge of wilderness in upper Devil Canyon drainage, northwest of Sky Ranch. 701 Comment
  UCR68719  Calycadenia tenella Steve Boyd 1990-4-28 4442 A Riverside Peninsular Range, Big Oak Mountain, Vail Lake Area 795 Comment
  SBBG101736  Calycoseris parryi S. Boyd with D. Bramlet 1991-5-13 6243 Riverside Domenigoni Hills, N side of Domenigoni-Diamond Valleys ESE of Winchester; ridgetop S of S end of Warren Rd; T5S, R1W, N1/2, S31, N/2 609 Comment
  UCR77713  Calycoseris parryi Steve Boyd, D. Bramlet 1991-5-13 6243 Riverside Domenigoni Hills, north side Domenigoni/Diamond Valley, ESE of Winchester. Vicinity of ultramafic outcrop on ridgetop south of S-end of Warren Rd. 610 Comment
  RSA457756  Calycoseris wrightii Steve Boyd 1988-3-10 2120 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  UCR148203  Calyptridium monandrum Steve Boyd, Naomi Fraga 2004-4-27 10983 San Diego Peninsular Ranges; Anza Bench region, hills north of Warner Springs, south of Indian Flats Campground of Cleveland National Forest along Road 9S05 Comment
  SBBG98267  Calystegia macrostegia subsp. tenuifolia S. Boyd, L. Arnseth, Y. Rasmussen, H. Cota 1990-5-3 4598 Riverside Vail Lake area, steep SE flank of Oak Mtn above NE end of lake 579 Comment
  RSA593403  Calystegia peirsonii Steve Boyd, Orlando Mistretta 1996-5-23 8818 Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to powerplant, just north of upper end of Castaic Lake. 470 Comment
  RSA601055  Calystegia peirsonii Steve Boyd, Lauren Raz 1997-6-18 9970 Los Angeles Liebre Mountains region: Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  RSA599487  Camissonia bistorta Steve Boyd, Lauren Raz 1997-3-25 9312 Los Angeles Liebre Mountains region: Upper end of broad alluvial valley at head of Cienaga Canyon, southern base of Liebre Mountain, at end of dirt road leading 1 km northeast of Knapp Ranch. 1097 Comment
  UCR21982  Camissonia bistorta Steve Boyd 1980-4-8 111 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR49260  Camissonia bistorta Steve Boyd 1986-4-2 1629 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA701911  Camissonia brevipes Steve Boyd, Michael Denslow 2004-3-23 10606 San Bernardino Lavic Mountain, southern end of the Cady Mountains northwest of Ludlow (north of Interstate 40) along powerline/pipeline access road. Comment
  RSA725151  Camissonia brevipes Steve Boyd 2007-10-29 11790 San Bernardino Brown Buttes area at northwestern end of Marble Mountains, on road to microwave towers east of Kelbaker Road, just south of Interstate 40. 915 Comment
  UCR218431  Camissonia brevipes Steve Boyd 2010-4-19 12249 Inyo Mojave Desert; North Mojave Desert region, northwest base of Dublin Hills, south of Hwy 178, northwest of Shoshone 671 Comment
  RSA515455  Camissonia brevipes subsp. brevipes Steve Boyd, Carol Boyd 1987-4-12 1976 Inyo North end of Greenwater Valley, 3.2 miles S of Dante's View Road, just outside Death Valley National Monument area. Comment
  RSA565766  Camissonia brevipes subsp. brevipes Steve Boyd, T. S. Ross, Walter Appleby 1993-3-18 7766 Inyo Resting Spring Range, 4 miles east of Shoshone, upper bajada and lower slopes along western side of range, 1.1 miles SE of Highway 178. 600 Comment
  RSA524584  Camissonia californica Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4132 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  RSA543752  Camissonia californica Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6056 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  UCR151695  Camissonia claviformis Steve Boyd, Tammy Morgan 2004-3-30 10751 San Bernardino Central Mojave Desert, Pisgah lava beds just south of old Route 66 and I-40, west of Ludlow and 7.8 mi east of Fort Cady Road 600 Comment
  RSA543591  Camissonia graciliflora Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6144 Riverside Santa Ana Mountains, S side of Elsinore Peak. 1036 Comment
  RSA611651  Camissonia graciliflora Steve Boyd, Lauren Raz, Mike Kinney 1998-3-17 10082 Los Angeles Liebre Mountains region: Anaverde Valley at north base of Sierra Pelona. 976 Comment
  UCR99475  Camissonia graciliflora Steve Boyd, Orlando Mistretta 1997-3-14 9171 Los Angeles Liebre Mtns., Lower southeastern flank of Bald Mtn, near head of Liebre Gulch, due west of Sandberg 1213 Comment
  RSA0121497  Camissonia graciliflora Steve Boyd 1992-4-21 6985 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Northwestern summit and slopes of Miller Mountain. 792 Comment
  RSA526563  Camissonia guadalupensis subsp. clementina Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4248 Los Angeles San Clemente Island, lower half of China Cyn, S end of Island, W side. Comment
  RSA572981  Camissonia hirtella Steve Boyd 1986-4-22 1759 Riverside Temescal Canyon: stable alluvial benches of Indian wash just south of Interstate 15. Comment
  UCR151336  Camissonia hirtella Steve Boyd, Amber Maurice 2004-5-18 11319 Los Angeles Transverse Ranges; Liebre Mtns region, Road leading down towards Atmore Meadows area from main road, on crest of Liebre Mountain at crossing of spring outflow 1437 Comment
  UCR199797  Camissonia hirtella Steve Boyd, Lisa Rojas 2004-5-26 11379 San Diego Cuyamaca-Laguna Mtns, In-Ko-Pah Mtns, western flank of Thing Valley, northeast of transit station Posta, Cleveland National Forest along forest service road 1463 Comment
  RSA543896  Camissonia micrantha Steve Boyd 1991-5-20 6273 Riverside Santa Ana Mountains, NW of Lake Elsinore. Lower Rice Cyn, just inside Cleveland Nat. For. boundary. 573 Comment
  RSA771989  Camissonia refracta Steve Boyd 2010-4-19 12248 Inyo Northwest base of Dublin Hills, south of Hwy 178, northwest of Shoshone. 610 Comment
  RSA485410  Camissonia strigulosa Steve Boyd 1987-4-5 1967 Riverside Gavilan Hills - Harford Spring County Park in sandy valley at N end of park. 610 Comment
  RSA508003  Camissonia strigulosa Steve Boyd, C. Boyd, K. Boyd, R. Noyes, L. Arnseth 1988-5-28 2305 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. Sandy opening 0.5 mi S of saddle. 1500 Comment
  UCR147672  Camissonia strigulosa Steve Boyd, Naomi Fraga 2004-4-27 10916 San Diego Peninsular Ranges; Anza Bench region, Warner Springs area, flats east of gliderport, near the Pacific Crest Trail, south of Hwy 79 884 Comment
  UCR200235  Camissonia strigulosa Steve Boyd, Valentin Arvizu 2008-5-1 11900 Kern Southern Sierra Nevada Range, Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley 1463 Comment
  SD181435  Camissoniopsis hirtella Steve Boyd, Naomi Fraga 2004-4-27 10987 San Diego Peninsular ranges, Anza Bench region, hills north of Warner Springs, south of Indian Flats Campground of Cleveland National Forest, along Road 9S05. Comment
  UC1929418  Camissoniopsis hirtella Steve Boyd, Valentin Arvizu 2004-6-8 11469 Ventura Transverse Ranges; Mount Pinos region; Topa Topa Mountains, Tar Creek, east of its confluence with Sespe Canyon near point where stream is crossed by Tar Creek Road trail. 610 Comment
  SD215583  Camissoniopsis lewisii Steve Boyd, Tim Ross et al 1990-4-2 4043 Riverside Vail Lake area, lower slopes of Agua Tibia Mountain along Highway 79, East of USFWS Dripping Springs Guard Station. 487 Comment
  SBBG55135  Cardiospermum corindum S. Boyd 1980-3-28 BC 155 Unknown Mex 1, 3 mi N of Punta Prieta Comment
  UCR108195  Carduus pycnocephalus Steve Boyd, R. K. Brummitt, Laura A. Moore 1998-5-26 10226 Los Angeles San Gabriel Mtns., north base of range, just to the south of Hwy 14 at Golden Valley Road, Placerita Canyon watershed. 549 Comment
  RSA562751  Carduus pycnocephalus Steve Boyd, Timothy S. Ross 1992-5-19 7427 Orange Southern Santa Ana Mountains San Mateo Canyon Wilderness Area. Western edge of the wilderness along Lucas Canyon Trail from access road to Rancho Carrillo (7S06) N into Aliso Canyon,. 366 Comment
  RSA335178  Carex Steve Boyd, Karlin G. Marsh 1985-6-11 1181 San Bernardino San Bernardino Mountains. Bear Valley area. North shore of Baker Lake, about 1 mile east of the Stanfield Cut-off. Comment
  SD230109  Carex Steve Boyd, Lauren Raz 1997-5-20 9807 Los Angeles Liebre Mountains Region: Northern flank of Sawmill Mountain, upper Heryford Canyon drainage, just northeast of Sawmill Summit at the junction of Forest Service roads 7N23 and 7N08. 1341 Comment
  RSA0018990  Carex alma Steve Boyd, Valentin Arvizu, R. E. Riefner 2006-9-21 11685 Los Angeles Along La Tuna Creek between La Tuna Canyon Road and 210 Freeway. Comment
  SEINET7549357 Image available Carex alma Steve Boyd, Orlando Mistretta, Valerie Soza 1996-6-12 8845 Los Angeles Liebre Mountains, Castaic Creek drainage upstream from confluence of Fish Canyon. 549 Comment
  RSA560508  Carex barbarae Steve Boyd, Timothy S. Ross, Michael Wall 1992-6-2 7505 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Devil Canyon from confluence with Miller Creek dowstream approximately one mile. 488 Comment
  SEINET10954770  Carex barbarae Steve Boyd, Timothy S. Ross 1990-5-11 Boyd 4663 Riverside Vail Lake Area, Arroyo Seco drainage, canyon bottom at north base of Wild Horse Peak, southeast of Dripping Springs Campground of Cleveland National Forest. T8S, R1W, N 1/2, Sec 26. Riparian woodland, pools along stream supporting Typha, Carex, etc. Benches, slopes burned. Comment
  RSA776708  Carex inversa Steve Boyd 2005-7-27 11635 Los Angeles Pasadena, southeastern side of campus of California Institute of Technology, just west of front entrance to the Athenaeum (Faculty Club) 247 Comment
  RSA335168  Carex nebrascensis Steve Boyd, Karlin G. Marsh 1985-6-11 1147 San Bernardino San Bernardino Mountains. Bear Valley area. North shore of Baker Lake, about 1 mile east of the Stanfield Cut-off. Comment
  SEINET11634257  Carex nebrascensis S. Boyd, Marsh, K. 1985-1 1147 San Bernardino San Bernardino Mts, Bear Valley area, N shore of Baker Lake, about 1 mi E of Stanfield Cut-off Comment
  RSA544377  Carex praegracilis Steve Boyd, Timothy S. Ross 1991-6-14 3692 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Road S to confluence with Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Spings. Comment
  RSA601837  Carex praegracilis Steve Boyd 1996-4-25 8675 Los Angeles Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain., From gate at old inholding boundary near spring area along Forest Service Road 7N22 down to beginning of extensive wetland south of the old dry pastures 915 Comment
  RSA727886  Carex praegracilis Steve Boyd, LeRoy Gross 2004-5-4 11106 San Diego Hills north of Warner Springs, north Indian Flats Campground of Cleveland National Forest along Road 9S05. 899 Comment
  RSA560412  Carex senta Steve Boyd, Orlando Mistretta 1992-4-23 7048 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Creek from Clark Trail downstream to narrows near border with Camp Pendleton. 152 Comment
  SEINET7575142 Image available Carex senta Steve Boyd, Mike Wall 1996-5-16 8787 Los Angeles Liebre Mountains, Ruby Canyon upstream from confluence with Elizabeth Lake Canyon at northwest end of Red Mountain, along Ruby Canyon Road ca 0.9 mi E of jtn with Lake Hughes Road. 622 Comment
  RSA561509  Carex senta Steve Boyd, Timothy S. Ross, David E. Bramlet 1992-9-9 7664 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Alamos Road (7S04)., At the confuluence of Los Alamos Creek, up the San Mateo Trail north to Potrero de la Cienega 396 Comment
  RSA500192  Carex subfusca Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3552 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  UCR79474  Carex triquetra Steve Boyd, T. S. Ross, D. E. Bramlet 1993-5-12 7311 Riverside S Santa Ana Mtns, San Mateo Canyon Wilderness Area. San Mateo Canyo, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon 427 Comment
  UCR90426  Carex triquetra Steve Boyd, D. L. Banks 1995-4-6 8445 San Diego Palomar Range, Agua Tibia Wilderness Area, NE flank of Agua Tibia Mtn., main trunk of Arroyo Seco from the Wilderness boundary south to the confluence with the major tributary from the west, at the north base of Eagle Crag 945 Comment
  CHSC109268  Castilleja applegatei subsp. martinii Steve Boyd; M. Denslow, A. Maurice, S. Swartzentruber, Virgen 2003-6-27 10514 Tulare Sierra Nevada; Southern Sierra Nevada region: Chimney Peak Recreation Area, summit of northern high point on Bear Mountain (Bear Peak). 2509 Comment
  RSA730907  Castilleja attenuata Steve D. Boyd, Valentin Arvizu 2008-5-2 11994 Kern Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley. 1372 Comment
  UCR39567  Castilleja cinerea var. vinicolor Steve Boyd 1983-8-10 s.n. San Bernardino San Bernardino Mtns., Near Onyx Summit at Cienaga Seca, west of Hwy 38 2457 Comment
  HSC85387  Castilleja exserta subsp. exserta Steve Boyd, M. Doyle, B. Roy, S. Meury 1986-4-12 1652 San Bernardino Lucerne Valley, just E of Rabbit Dry Lake, off Hwy. 18. Comment
  RSA0010930  Castilleja exserta subsp. exserta Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2258 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  HSC67098  Castilleja exserta subsp. exserta D. Boyd, M. Eichelberger, Tim Messick, T. Ranker 1980-4-19 42 Colusa Along Bartlett Springs Rd., .6 mi. from Jct. with Hwy. 16 Comment
  RSA522726  Castilleja foliolosa Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3831 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  SBBG119124  Castilleja foliolosa S. Boyd with H. Bigelow 2004-4-5 10811 San Diego Pine Hills area, between Magee Flat and Deadman Flat along Eagle Pk Rd Comment
  UCR121243  Castilleja foliolosa Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2264 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  UCR108204  Castilleja gleasoni Steve Boyd, Valerie Soza 1998-4-28 10168 Los Angeles Liebre Mtns, Western end of Liebre Mountain, at junction of Old Ridge Route (8S04) and Forest Service Road 7N23 on divide between Salt Creek and Liebre Gulch 1201 Comment
  RSA561104  Castilleja minor subsp. spiralis Steve D. Boyd, Tim S. Ross, Dave Bramlet 1993-5-12 7329 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon, 365 Comment
  RSA593400  Castilleja minor subsp. spiralis Steve D. Boyd, Orlando Mistretta 1996-5-23 8821 Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to powerplant, just north of upper end of Castaic Lake. 470 Comment
  UCR15915  Castilleja mollis Steve Boyd 1978-5-20 780520- 02 San Luis Obispo Central Coast, near Oso Flaco Lake Comment
  RSA518003  Castilleja plagiotoma Steve D. Boyd, Orlando Mistretta 1986-3-31 1530 Los Angeles Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. Comment
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Nov 30 2011
  SD215437  Caulanthus coulteri Steve Boyd, Lauren Raz 1997-3-25 9296 Los Angeles Upper end of broadalluvial valley at head of Cienaga Canyon, southern base of Liebre Mountain at end of dirt road leading 1.0 km northeast of Knapp Ranch. 1096 Comment
  RSA543766  Caulanthus hallii Steve Boyd, Timothy S. Ross, Mike Hammitt 1978-4-23 52071 Riverside Vail lake region, SW & W flanks of Billy Goat Mountains 2 mi. N Hwy 79, 1 mi W of Hwy 371, N of Aguanga. 600 Comment
  RSA522768  Caulanthus heterophyllus Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3875 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  RSA701976  Caulanthus heterophyllus Steve Boyd, Naomi Fraga 2004-4-27 10978 San Diego Hills north of Warner Springs, south of Indian Flats Campground of Cleveland National Forest along Road 9S05. Comment
  SBBG105097  Caulanthus heterophyllus S. Boyd with T. Ross 1994-3-27 8229 San Diego SW slope of Poser Mtn, at N edge of Viejas Valley, near jct of Old Viejas Grade and Conejos Valley Rd Comment
  SD152903  Caulanthus heterophyllus Steve Boyd, Tim Ross and Orlando Mistretta 1992-2-26 6700 Riverside Santa AnaMountains, San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  UCR67354  Caulanthus heterophyllus Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4093 Riverside Peninsular Range, Vail Lake Area, E flank of Oak Mtn, just south of E summit. 701 Comment
  UCR51946  Caulanthus lasiophyllus Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2172 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  RSA500186  Caulanthus lasiophyllus var. rigidus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3205 Riverside Vail Lake Area, W end of bench on S flank of Oak Mt. 518 Comment
  RSA593696  Caulanthus lasiophyllus var. rigidus Steve Boyd, Dave Bramlet 1996-4-19 8630 Riverside San Jacinto Valley: San Jacinto Wildlife Refuge at southwestern edge of Mystic Lake in the San Jacinto River floodplain, N of ''Marsh A'', NE of the refuge headquarters. 433 Comment
  UCR68474  Caulanthus lasiophyllus var. rigidus Steve Boyd, A. C. Sanders, M. Skinner 1990-4-28 4444 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn., north of [Vail] Lake 823 Comment
  CAS-BOT-BC39601  Caulanthus pilosus Steve Boyd; Dave Bramlet 1986-6-9 1958 Tulare Southern Sierra Nevada. Mountains. Chimney Creek Canyon 0.5 miles downstream from Chimney Meadow. 1828 Comment
  RSA543776  Caulanthus simulans Steve Boyd, Timothy S. Ross, Mike Hammit 1991-5-2 6023 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  RSA569985  Ceanothus crassifolius Steve Boyd, Kyle Boyd 1993-3-28 7920 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road. 792 Comment
  RSA575064  Ceanothus crassifolius Steve Boyd 1981-3-4 810304 -O Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  RSA575074  Ceanothus crassifolius Steve Boyd 1981-3-4 810304 -W Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  UCR91675  Ceanothus crassifolius Steve Boyd, D. L. Banks 1995-4-5 8417 Riverside Agua Tibia Mountains, Palomar Range, Agua Tibia Wilderness Area; northern flank of Agua Tibia Mtn. at the E edge of Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary 610 Comment
  HSC85330  Ceanothus cuneatus Steve Boyd, C. Boyd, B. Roy 1986-2-2 1204 San Diego Hwy 79 near 'Maggies Place" a cafe in Dodge Valley Comment
  RSA575057  Ceanothus cuneatus Steve Boyd 1981-3-4 810304 -K Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  UC1871283  Ceanothus foliosus Steve Boyd, T. S. Ross 1994-3-29 8253 San Diego Peninsular Ranges; Cuyamaca-Laguna Mountains region; Southwestern Cuyamaca Mountains, Cleveland National Forest, west base of Viejas Mountain, break in slope along West Boundary Road, just north of water tank and gate. T15S R2E NW1/4 SE1/4 sec. 23. Elev. ca. 2640 [feet]. 805 Comment
  HSC66067  Ceanothus jepsonii var. albiflorus D. Boyd, M. Eichelberger, Tim Messick, T. Ranker 1980-4-19 33 Lake Along Walker Ridge Rd. 0.5 mi N of junction with access to Indian Valley Dam Comment
  UCR148209  Ceanothus leucodermis Steve Boyd, Leroy Gross 2004-5-4 11133 San Diego Peninsular Ranges; Anza Bench region, hills north of Warner Springs, north Indian Flats Campground of Cleveland National Forest along Road 9S05 899 Comment
  SBBG96688  Ceanothus megacarpus var. insularis S. Boyd with T. Ross, L. Arnseth 1990-4-7 4194 Los Angeles upper reaches of China Cyn Comment
  RSA557891  Ceanothus oliganthus var. sorediatus Steve Boyd, Orlando Mistretta 1992-4-22 7002 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  RSA559483  Ceanothus oliganthus var. sorediatus Steve Boyd, Tim S. Ross 1992-4-28 7083 San Diego Souther Santa Ana Mountains, San Mateo Canyon Wilderness Area. West of Miller Mountain at headwaters of Cold Spring Canyon, alogn Cold Spring trail from end of Forest Service Road 8S02 westward to old ranch at Cold Spring. 640 Comment
  CAS-BOT-BC51646  Ceanothus ophiochilus Steve Boyd; Tim Ross 1993-3-28 7913 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, 883 Comment
  RSA557733  Ceanothus ophiochilus Steve Boyd, Ken Berg, Sandy Morey, Jon Keeley 1992-5-3 7169 A Riverside Vail Lake area, ridge about 1 mile west of the lake, east of ''Little'' Oak Mountain. 610 Comment
  RSA570221  Ceanothus ophiochilus Steve Boyd, Tim S. Ross 1993-3-23 7890 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road, 610 Comment
  RSA570222  Ceanothus ophiochilus Steve Boyd, Tim S. Ross 1993-3-23 7891 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road, 610 Comment
  SD131176  Ceanothus ophiochilus Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-31 3097 Riverside Vail Lake area, 1 mile west of lake. Restricted to series of north facing slopes 609 Comment
  SD136768  Ceanothus ophiochilus Steve Boyd, Kyle Boyd 1993-3-28 7909 Riverside Agua Tibia Wilderness Area, Cleveland National Forest. Palomar Range south of Vail Lake at north base of Agua Tibia Mountain. Along trail extenting south from end of Woodchuck Road 792 Comment
  UC1611572  Ceanothus ophiochilus Steve Boyd, Kyle Boyd 1993-3-28 7912 Riverside Palomar Range s of Vail Lake (at n base of Agua Tibia Mt., Agua Tibia Wilderness Area, Cleveland National Forest, along trail extending s from end of Woodchuck Road); Palomar Range, Cleveland Nat'l Forest, Agua Tibia Mt. 792 Comment
  UCR68476  Ceanothus ophiochilus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3097 Riverside Peninsular Range, Vail Lake area, 1 mi. west of lake 640 Comment
  UCR68477  Ceanothus ophiochilus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2960 Riverside Peninsular Range, Vail Lake area, 1 mi. west of lake 640 Comment
  SEINET4411368  Ceanothus ophiochilus S. D. Boyd 1993-1 Unknown Comment
  RSA583478  Ceanothus otayensis Steve Boyd, Mark A. Elvin 1995-8-3 8516 San Diego Otay Mountain, O'Neil Canyon drainage on lower west side of the mountain along Otay Mountain Truck Trail, 5.1 miles west of Dog House Junction. 518 Comment
  RSA583479  Ceanothus otayensis Steve Boyd 1995-8-3 8515 San Diego Otay Mountain, O'Neil Canyon drainage on lower west side of the mountain along Otay Mountain Truck Trail, 5.1 miles west of Dog House Junction. 518 Comment
  UCR91646  Ceanothus perplexans Steve Boyd, D. L. Banks 1995-4-6 8438 San Diego Palomar Range, Agua Tibia Wilderness Area, NE flank of Agua Tibia Mtn, Arroyo Seco tributary at N base of Eagle Crag, from the Wildhorse Trail E to the main trunk of Arroyo Seco 976 Comment
  UC1608220  Ceanothus tomentosus Steve Boyd 1992-4-14 6805 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewater Canyon, S of Sitton Peak; N end Oak Flats ares. 792 Comment
  RSA552723  Ceanothus tomentosus subsp. olivaceus Steve Boyd, Tim S. Ross, Orlando Mistretta 1992-3-31 6765 Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 670 Comment
  RSA596446  Centaurea melitensis Steve Boyd, Mark Elvin, Victoria Jotikasthira 1996-6-25 8868 Los Angeles Liebre Mountains, along the Ridge Route west of Castaic Canyon, 1.3 miles north of the junction with Templin Highway, just north of small development on private land. 854 Comment
  RSA525287  Centaurea melitensis Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4600 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  RSA522287  Centaurea repens Steve Boyd 1989-7-6 3758 Riverside open field S of Jurupa, E of intersection with Van Buren Ave. Comment
  UCR65296  Centaurea repens Steve Boyd 1989-7-6 3758 Riverside Riverside, intersection Van Buren Avenue and Jurupa Rd Comment
  UCR95171  Centaurea solstitialis Steve Boyd, M. Elvin, V. Jotikasthira 1996-6-25 8867 Los Angeles Liebre Mtns, along the Ridge Route west of Castaic Cyn, 1.3 mi. north of the jct w/ Templin Hwy. 854 Comment
  RSA573436  Centaurea solstitialis Steve Boyd 1994-9-14 8339 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, western edge of the Oak Flats area near the junction of the Lucas Canyon and Verdugo Trails. 768 Comment
  RSA701526  Cerastium glomeratum Steve Boyd, Heidi Bigelow 2004-4-5 10807 San Diego Pine Hills area, between Magee Flat and Deadman Flat along Eagle Peak Rd. Comment
  UCR160024  Cerastium glomeratum Steve Boyd, LeRoy Gross 2004-5-4 11060 San Diego Peninsular Ranges; Anza Bench region, hills north of Warner Springs, north Indian Flats Campground of Cleveland National Forest along Road 9S05 899 Comment
  RSA592807  Cercocarpus betuloides var. betuloides Steve D. Boyd, Orlando Mistretta 1996-5-1 8759 Los Angeles Liebre Mountains, Sawmill Mountain, upper slopes and summit at head of Heryford Canyon, east of the junction of 7N23 and 7N08. 1524 Comment
  RSA599806  Cercocarpus betuloides var. betuloides Steve D. Boyd, Lauren Raz 1997-3-25 9298 Los Angeles Liebre Mountains region: Upper end of broad alluvial valley at head of Cienaga Canyon, southern base of Liebre Mountain, at end of dirt road leading 1 km northeast of Knapp Ranch. 1097 Comment
  RSA735244  Cercocarpus betuloides var. betuloides Steve D. Boyd, Lisa Rojas 2004-5-26 11365 San Diego In-Ko-Pah Mountains, western flank of Thing Valley, northeast of transit station Posta, Cleveland National Forest along forest service road. 1463 Comment
  SD215643  Cercocarpus betuloides var. betuloides Steve Boyd, Lauren Raz 1997-3-25 9298 Los Angeles Upper end of broad alluvial valley at head of Cienaga Canyon, southern base of Liebre Mountain, at end of dirt road leading 1 kilometer northeast of Knapp Ranch 1096 Comment
  RSA702300  Cercocarpus intricatus Steve D. Boyd, Tammy Morgan 2004-6-1 11427 San Bernardino Clark Mountains, western flank of the range in large canyon south of Pachalka Spring. 1433 Comment
  UC1871070  Cercocarpus minutiflorus Steve Boyd, W. Appleby 1969-12-31 7929 San Diego Peninsular Ranges; Santa Ana Mountains region; Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of Cleveland National Forest, upper Devil Canyon from road 8S01 downstream to vicinity of Mud Springs. T8S R5W SW/4 NW/4 sec. 26, E/2 NE/4 sec. 27, SW/4 SE/4 sec. 22. Elevation: 2400-2150 ft. Comment
  RSA525418  Chaenactis artemisiifolia Steve Boyd 1990-5-3 4526 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
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Feb 1 2008
  RSA0013729  Chaenactis carphoclinia Steve Boyd 2010-4-19 12264 Inyo Northwest base of Dublin Hills, south of Hwy 178, northwest of Shoshone. 610 Comment
  RSA388045  Chaenactis carphoclinia var. carphoclinia Steve Boyd 1986-2-6 1211 Imperial Cargo Muchacho Mountains, large canyon at SE end of mountains, 5.4 miles NE of I-8 off Sidewinder Rd and Power-line Rd. Comment
  RSA731214  Chaenactis carphoclinia var. carphoclinia Steve Boyd, LeRoy Gross 2008-4-11 11839 -B Inyo Southwestern base of Dublin Hills at eastern edge of lower Greenwater Valley, west of Shoshone, bajada east of Furnace Creek Wash Road, north and east to lowest rocky slopes and outlying hills. 580 Comment
  RSA670049  Chaenactis fremontii R. S. Boyd 1978-4-2 s.n. San Bernardino Barstow Comment
  RSA725662  Chaenactis fremontii Steve Boyd, Michael Denslow 2004-3-23 10618 San Bernardino Lavic Mountain, southern end of the Cady Mountains northwest of Ludlow (north of Interstate 40) along powerline/pipeline access road. Comment
  UCR225676  Chaenactis fremontii Steve Boyd 2010-4-19 12253 A Inyo Mojave Desert; North Mojave Desert region, northwest base of Dublin Hills, south of Hwy 178, northwest of Shoshone 671 Comment
  HSC85256  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1986-4-22 1744 Riverside Stable alluvial benches of Indian Wash just S of Interstate Hwy 15 Comment
  RSA387364  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1986-4-19 1707 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road. Comment
  RSA593004  Chaenactis glabriuscula var. glabriuscula Steve Boyd, Orlando Mistretta 1996-5-1 8734 Los Angeles Liebre Mountains, rugged hills between Soledad Canyon Agua Dulce, west of Young Canyon along the Pacific Crest Trail 854 Comment
  RSA599494  Chaenactis glabriuscula var. glabriuscula Steve Boyd, Lauren Raz 1997-3-25 9319 Los Angeles Liebre Mountains region: Upper end of broad alluvial valley at head of Cienaga Canyon, southern base of Liebre Mountain, at end of dirt road leading 1 km northeast of Knapp Ranch. 1097 Comment
  RSA600423  Chaenactis glabriuscula var. glabriuscula Steve Boyd, Lauren Raz 1997-4-30 9621 Los Angeles Liebre Mountains Region: About the confluence of Bear Canyon and Pine Canyon, between the southern flank of Liebre Mountain and northern flank of Red Rock Mountain, southwest of Gillette Mine 866 Comment
  RSA771809  Chaenactis glabriuscula var. glabriuscula Steve Boyd 2010-5-26 12279 Riverside Elsinore Peak, southeast of peak, north of trail along ''old Main Divide Road'' east of road up to communications towers, near concrete wildlife drinker. 1040 Comment
  RSA500072  Chaenactis glabriuscula var. lanosa Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3239 b Riverside Vail Lake area, sandy valley at NE end of lake, N of Wilson Creek 488 Comment
  UC1563052  Chaenactis stevioides Steve Boyd and Orlando Mistretta 1986-3-31 1544 Los Angeles 4 mi e of jct w/ Hwy 18 (ne of Pinyon Hills, Highway 138); Mojave Desert Comment
  RSA480017  Chaenactis stevioides var. stevioides Steve Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2148 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA518008  Chaenactis stevioides var. stevioides Steve Boyd, Orlando Mistretta 1986-3-31 1544 Los Angeles Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. Comment
  RSA599619  Chaenactis xantiana Steve Boyd, Lauren Raz 1997-4-16 9513 Los Angeles Liebre Mountains region: Northwest end of the range, Peace Valley due south of the junction of Interstate 5 and Highway 138, and east of Copco Road along narrow paved road which is the continuation of Forest Service road 8N01. 960 Comment
  RSA730920  Chaenactis xantiana Steve Boyd, Valentin Arvizu 2008-5-1 11915 -B Kern Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley 1372 Comment
  RSA520965  Chamaesyce abramsiana Steve Boyd 1990-10-3 5176 San Bernardino Providence Mountains: road over Foshay Pass, E side of range, 5.7 miles W of Essex Rd. Comment
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Mar 10 2010
  RSA522312  Chamaesyce albomarginata Steve Boyd 1989-7-9 3782 Riverside City of Riverside, 4863 Rubidoux Ave. Comment
  RSA561891  Chamaesyce albomarginata Steve Boyd, T. S. Ross 1992-6-10 7638 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about Potrero Escondido an isolated area of low relief topping the ridge system due west of the junction on Tenaja Road (7S01) and Los Alamos Road (7S04), at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek. 671 Comment
  RSA599610  Chamaesyce albomarginata Steve Boyd, Lauren Raz 1997-4-16 9504 Los Angeles Liebre Mountains region: Lower Apple Canyon, due east of the confluence of Canada de Los Alamos (Lower Hungry Valley) and Peace Valley and Interstate 5. 853 Comment
  RSA518146  Chamaesyce fendleri Steve Boyd 1990-10-4 5241 San Bernardino New York Mountains, Eastern Mojave Desert. Upper part of Carruther's Canyon. Comment
  RSA544306  Chamaesyce maculata Steve Boyd 1991-7-13 6412 Riverside Peninsular Range Temescal Canyon, W base of Gavilan Hills, area of old glass factory between Temescal Wash & I-15, just south of Cajalco Road. Comment
  RSA522311  Chamaesyce prostrata Steve Boyd 1989-7-9 3781 Riverside City of Riverside, 4863 Rubidoux Ave. Comment
  UC1584098  Chamaesyce setiloba Steve Boyd 1990-10-3 5164 San Bernardino 11.2 mi e Kelbaker Rd (rd over Foshay Pass); Eastern Mojave Desert, Providence Mtns Comment
  UCR138456  Cheilanthes covillei Steve Boyd, D. E. Bramlet 1986-6-9 1905 Tulare Southern Sierra Nevada Mtns., Chimney Creek Canyon, S flank peak 7155 [7125], south of Chimney Meadow 1982 Comment
  SEINET3870272  Cheilanthes newberryi Steve Boyd, Timothy S. Ross 1992-5-6 7277 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. South side of Miller Mountain along 'Miller Canyon', the major drainage on the southern flank of the mountain, from Road 8S02 upstream to the area of contact between lower granitic and higher basaltic rocks.; 0 640 Comment
  RSA596998  Chenopodium album Steve Boyd, Lauren Raz 1996-9-24 8973 Los Angeles Liebre Mountains, Sawmill Mountain along Forest Service Road 7N23 on broadly rounded summit area at divide between Devils Gulch and Fish Canyon. 1622 Comment
  CDA2984  Chenopodium album Steve Boyd 1990-10-2 5219 Los Angeles Grounds of Rancho Santa Ana Botanic Garden, Claremont. 0 Comment
  RSA522105  Chenopodium ambrosioides Steve Boyd, Timothy S. Ross 1989-8-28 3798 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  RSA552707  Chenopodium ambrosioides Steve Boyd, Timothy S. Ross 1992-2-21 6663 Riverside Southern Santa Ana Mountains, San Mateo Cyn Wilderness Area. Potrero de la Cienega area along Morgan Trail from Morrell Canyon south 701 Comment
  UCR79249  Chenopodium berlandieri Steve Boyd, T. S. Ross, Orlando Mistretta 1992-10-2 7692 San Diego Peninsular Range; Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Southwestern edge of the wilderness and adjacent Camp Pendleton in lower San Mateo Canyon, near the confluence with Devil Canyon 152 Comment
  RSA523478  Chenopodium californicum Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3938 Riverside Vail Lake area, summit of 'Big' Oak Mtn, N. of lake. 793 Comment
  SBBG96683  Chenopodium californicum S. Boyd with T. Ross, L. Arnseth 1990-4-7 4266 Los Angeles lower half of China Cyn, W side Comment
  RSA520981  Chenopodium fremontii Steve Boyd 1990-10-4 5238 San Bernardino New York Mountains, Eastern Mojave Desert. Upper part of Carruther s Canyon on slopes and ridgetops. Comment
  UC1929450  Chenopodium fremontii Steve Boyd, Michael Denslow, Amber Maurice, Sarah Swartzentruber, Aydee Virgen 2003-6-27 10526 Tulare Sierra Nevada; Southern Sierra Nevada region; Chimney Peak Recreation Area, summit of northern high point on Bear Mountain (Bear Peak). 2509 Comment
  SD122872  Chenopodium murale Steve Boyd 1985-7-23 1012 Riverside De Luz Rd., 7.6 mi. west of Rancho California. Roadsideweed in damp soil where Sandia Creek crosses road. 334 Comment
  RSA574747  Chlorogalum parviflorum Steve Boyd 1982-5-20 s.n. Riverside Gavilan Hills region, Temescal Canyon, south slope of Alberhill Mountain, just east of extensively-mined area. 427 Comment
  RSA0049541  Chlorogalum pomeridianum Steve Boyd, Tammy Morgan 2004-5-11 11188 Ventura Topa Topa Mountains, east of Sespe Canyon near upper end of Tar Creek Road (and trail). Comment
  RSA0013417  Chorizanthe brevicornu Steve Boyd 2010-4-19 12258 Inyo Mojave Desert; North Mojave Desert Region: Northwest base of Dublin Hills, south of Hwy 178, northwest of Shoshone. 610 Comment
  RSA486647  Chorizanthe brevicornu Steve Boyd, D. Charlton, L. Arnseth, S. Meury, D. Nordin, R. Noyes, T. S. Ross 1988-4-8 1758 San Bernardino West side of Ord Mtn. North of Lucerne Valley; 15 miles S of I-40 on Camp Rock Road near Tyler Valley. 1524 Comment
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Feb 1 2012
  UC1928671  Chorizanthe brevicornu Steve Boyd, LeRoy Gross 2008-4-11 11836 Inyo Mojave Desert; North Mojave Desert region; Southwestern base of Dublin Hills at eastern edge of lower Greenwater Valley, west of Shoshone, bajada east of Furnace Creek Wash Road, north and east to lowest rocky slopes and outlying hills. Comment
  RSA593481  Chorizanthe brevicornu var. brevicornu Steve Boyd, Orlando Mistretta, Valerie Soza 1996-6-12 8848 Ventura Topa Topa Mountains, southern flank of Tar Creek, ca 1 air mile SE of confluence with Sespe Canyon, along an old dirt road leading down to Sespe Canyon off of Squaw Flat Road, about the base of hill 2782 at the boundary of Sespe Condor Sanctuary. 732 Comment
  RSA593595  Chorizanthe brevicornu var. brevicornu Steve Boyd, Orlando Mistretta 1996-5-23 8830 A Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to powerplant, just north of upper end of Castaic Lake. 470 Comment
  RSA562720  Chorizanthe fimbriata Steve Boyd, Tim S. Ross 1992-5-19 7423 Orange Southern Santa Ana Mountains San Mateo Canyon Wilderness Area. Western edge of the wilderness along Lucas Canyon Trail from access road to Rancho Carrillo (7S06) N into Aliso Canyon,. 366 Comment
  CAS-BOT-BC191254  Chorizanthe fimbriata var. fimbriata Steve Boyd 1986-5-1 1785 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow. Skunk Hollow vernal pool Comment
  UC1563103  Chorizanthe fimbriata var. fimbriata Steve Boyd, Tim Ross, Laurel Arnseth 1989-6-4 3628 Riverside hills just s of jtn Highway 79 and road to Vail Lake Marina (Butterfield Valley); Vail Lake area, Butterfield Valley 457 Comment
  CAS-BOT-BC191314  Chorizanthe fimbriata var. laciniata Steve Boyd; LeRoy Gross 2004-5-4 11149 San Diego Peninsular Ranges: Anza Bench region: Hills N of Warner Springs, N Indian Flats Campground of Cleveland National Forest along road 9S05 899 Comment
  RSA735375  Chorizanthe fimbriata var. laciniata Steve Boyd, Lisa Rojas 2004-5-26 11393 San Diego In-Ko-Pah Mountains, western flank of Thing Valley, northeast of transit station Posta, Cleveland National Forest along forest service road. 1463 Comment
  UC1928515  Chorizanthe fimbriata var. laciniata Steve Boyd, Naomi Fraga 2004-4-27 10954 San Diego Peninsular Ranges; Anza Bench region; Warner Springs area, brushy hill at edge of grassland in rolling terrain along the Pacific Crest Trail, south of Highway 79 and west of the Warner Springs resort. Comment
  RSA543592  Chorizanthe polygonoides var. longispina Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6143 Riverside Santa Ana Mountains, S side of Elsinore Peak. 1037 Comment
  RSA559933  Chorizanthe polygonoides var. longispina Steve Boyd 1992-4-18 6902 Riverside Paloma Valley, between Sun City and Murrieta, E of Hwy I-215. Rolling Hills just SW of Jtn Briggs Rd and Scott Rd. Comment
  UC2029936  Chorizanthe polygonoides var. longispina Steve Boyd 2001-4-12 10408 Riverside GAVILAN HILLS REGION: Southeast base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street, in the vicinity of the site of Terra Cotta. Comment
  RSA560295  Chorizanthe procumbens Steve Boyd, Tim S. Ross 1992-6-4 7581 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness area. Southeastern edge of wilderness in upper Devil Canyon drainage, northwest of Sky Ranch. 701 Comment
  UCR37796  Chorizanthe procumbens Steve Boyd 1981-5-13 s.n. Orange South Coast, Pelican Hill, Irvine Ranch Property, San Joaquin Hills south of Corona del Mar 218 Comment
  RSA612107  Chorizanthe spinosa Steve Boyd, Kent Hughes 1998-5-5 10182 Los Angeles Antelope Valley, along Highway 138 (West Avenue D), west of the junction with Highway 14, at intersection with 140th Street, ca. 4 miles southwest of Rosamond Dry Lake. 701 Comment
  CAS-BOT-BC244655  Chorizanthe staticoides Steve Boyd; Tim Ross 1988-4-28 2250 Los Angeles West end of San Gabriel Mtns, Sand Canyon E of Saugus. In a small side canyon. Angeles National Forest. 792 Comment
  HSC85292  Chorizanthe staticoides Steve Boyd 1986-5-1 1812 Riverside Lower S slopes of Bachelor Mtn., E end of Lake Skinner Comment
  SD136786  Chorizanthe staticoides Steve Boyd 1993-5-13 7377 Riverside San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confuence with Los Alamos Canyon upstream approx. 1 mile, deep pools present in lower 1/3 mile of Wildhorse Canyon 410 Comment
  SD136787  Chorizanthe staticoides Steve Boyd, Tim Ross 1992-6-4 7578 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Southeastern edge of wilderness in upper Devil Canyon drainage, northwest of Sky Ranch Locally common, areas of shallow soil over granite. 701 Comment
  UCR37797  Chorizanthe staticoides Steve Boyd 1981-5-13 s.n. Orange South Coast, Pelican Hill, Irvine Ranch Property, San Joaquin Hills south of Corona del Mar 218 Comment
  UCR48515  Chorizanthe staticoides Steve Boyd 1986-5-1 1812 Riverside S slopes of Bachelor Mtn, east end of Lake Skinner Comment
  UCR65283  Chorizanthe staticoides Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3864 Riverside Peninsular Range, Vail Lake area, cinder cone ridge at north side of mouth of Temecula Creek Canyon and adjacent benches on S flank of 'Big' Oak Mtn. 549 Comment
  RSA557730  Chorizanthe staticoides Steve Boyd, Ken Berg, Sandy Morey, Jon Keeley 1992-5-3 7171 Riverside Vail Lake area, ridge about 1 mile west of the lake, east of ''Little'' Oak Mountain. 610 Comment
  RSA599769  Chorizanthe watsonii Steve Boyd, Dave Bramlet, Harry Spilman, Nancy Hanson, Susan Hobbs 1997-5-10 9788 Los Angeles Liebre Mountains region: Extreme northwestern corner of the range in Peace Valley, small side canyon just east of Interstate 5 off Copco Road. 951 Comment
  UCR107792  Chorizanthe watsonii Steve Boyd, Kent Hughes 1998-4-28 10195 Kern Southern Sierra Nevada, Piute Range, Jawbone Canyon. southeast of confluence with Hoffman Canyon, north base of Chuckwalla Mountain 866 Comment
  UCR204090  Chrysothamnus Steve Boyd, Michael Denslow, Amber Maurice, Sarah Swartzentruber, Aydee Virgen 2003-6-27 10548 Tulare Southern Sierra Nevada Range, Chimney Peak Recreation Area, summit of northern high point on Bear Mountain (Bear Peak) 2509 Comment
  RSA522294  Chrysothamnus nauseosus subsp. mohavensis Steve Boyd 1990-2-3 3827 Los Angeles just W of mouth of San Antonio Canyon. Comment
  RSA725379  Chrysothamnus paniculatus Steve Boyd 2007-10-29 11802 San Bernardino Brown Buttes area at northwestern end of Marble Mountains, on road to microwave towers east of Kelbaker Road, just south of Interstate 40. 915 Comment
  SD122977  Cichorium intybus Steve Boyd 1985-8-18 1126 Alameda Fremont, playground of John Blacow Elementary School and adjacent park. Comment
  RSA701293  Cirsium occidentale var. californicum Steve Boyd, Lisa Rojas 2004-5-26 11346 San Diego In-Ko-Pah Mountains, western flank of Thing Valley, northeast of transit station Posta, Cleveland National Forest along forest service road. 1463 Comment
  RSA507973  Cirsium occidentale var. occidentale Steve Boyd, Timothy S. Ross 1988-4-28 2227 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus. In small canyon. Angeles National Forest. 640 Comment
  RSA335143  Cirsium scariosum Steve Boyd, Karlin G. Marsh 1985-6-11 1159 San Bernardino Bear Valley area; North shore of Baker Lake, about 1 mile east of the Stanfield Cut-off. Comment
  RSA522323  Cirsium vulgare Steve Boyd 1990-2-3 3817 Los Angeles just W of mouth of San Antonio Canyon. Comment
  RSA559956  Cistanthe monandra Steve Boyd, Orlando Mistretta 1992-4-23 7067 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Creek from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 244 Comment
  RSA599854  Cistanthe monandra Steve Boyd, Lauren Raz 1997-5-6 9770 Los Angeles Liebre Mountains region: Fish Canyon just upstream from the confluence with Castaic Creek. 500 Comment
  UCR98731  Cistus ladanifer Steve Boyd, L. Raz 1997-5-1 9691 Los Angeles Liebre Mtns region, Sierra Pelona ridgeline east of San Francisquito Canyon and south of Leona Valley, along the Leona Divide Truck Trail (6N04.1) at sharp hairpin turn, head of Dowd Canyon 1220 Comment
  UCR121231  Clarkia deflexa Steve Boyd, T. S. Ross 1988-4-28 2230 Los Angeles San Gabriel Mtns., W end of mtns., Angeles National Forest. Sand Canyon, east of Saugus. In small side canyon 793 Comment
  RSA562472  Clarkia epilobioides Steve Boyd, T. S. Ross 1992-5-6 7274 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. South side of Miller Mountain along Miller Canyon', the major drainage on the southern flank of the mountain., From Road 8S02 upstream to the area of contact between lower granitic and higher basaltic rocks. 640 Comment
  UC1608276  Clarkia epilobioides Steve Boyd, Tim Ross 1992-5-6 7274 San Diego s side Miller Mountain (along Miller Canyon, the major drainage on s flank of the mountain, from Road 8S02 upstream); S. Santa Ana Mountains, San Mateo Canyon Wilderness Area 640 Comment
  RSA593496  Clarkia purpurea subsp. quadrivulnera Steve Boyd, Mike Wall 1996-5-16 8772 Los Angeles Liebre Mountains, ridgeline and adjacent slopes of side canyon to Charlie Canyon, west of San Francisquito Canyon off Angeles National Forest Road 5N17, ca 0.4 road miles south of jtn with 5N30, south of Red Mountain. 671 Comment
  RSA593546  Clarkia purpurea subsp. quadrivulnera Steve Boyd 1996-5-17 8804 San Diego Anza Bench region (extensive upland area north of Palomar Mountains and Warner Valley, and south of the San Jacinto Mountains) northwest of Hot Springs Mountain, along 9S05 ca. 0.8 miles southeast of Indian Flats Campground, Cleveland National Forest. 1213 Comment
  UC1928656  Clarkia purpurea subsp. quadrivulnera Steve Boyd, Naomi Fraga 2004-4-27 10950 San Diego Peninsular Ranges; Anza Bench region; Warner Springs area, rolling terrain near the Pacific Crest Trail, south of Highway 79 and west of the Warner Springs resort. 898 Comment
  UCR21953  Clarkia purpurea subsp. quadrivulnera Steve Boyd 1980-5-11 233 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  SD152801  Clarkia similis Steve Boyd, Tim Ross, Dave Bramlet 1993-5-12 7350 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent bences and lower slopes from confluence with Los Alamos Canyon downstream to confluence with Tenaja Canyon. 366 Comment
  UCR68866  Clarkia similis Steve Boyd, T. S. Ross 1990-5-11 4701 Riverside Vail Lake area, Cleveland National Forest, N flank and summit of Wild Horse Peak, Agua Tibia Mtns 999 Comment
  RSA731247  Claytonia exigua subsp. exigua Steve Boyd, Valentin Arvizu 2008-5-1 11951 Kern Southern Sierra Nevada region: Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley. 1372 Comment
  UCR95366  Claytonia exigua subsp. exigua Steve Boyd, Orlando Mistretta 1996-5-1 8750 Los Angeles San Gabriel Mtns, Liebre Mtns, Sawmill Mountain, upper slopes and summit at head of Heryford Canyon, east of the junction of 7N23 and 7N08 1561 Comment
  UCR198363  Claytonia parviflora subsp. parviflora Steve Boyd, Valentin Arvizu 2008-5-1 11928 Kern Southern Sierra Nevada Range, Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley 1463 Comment
  UCR59680  Claytonia parviflora subsp. viridis Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 2975 Riverside Peninsular Range, Vail Lake area, Temecula Creek Cyn below Vail Lake dam 418 Comment
  UCR60610  Claytonia parviflora subsp. viridis Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3174 Riverside Peninsular Range, Vail Lake area; hills just to SW of the dam 488 Comment
  UCR70285  Claytonia parviflora subsp. viridis Steve Boyd, T. S. Ross, L. Arnseth 1990-3-30 3943 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn, north of the lake, Saddle between summits, N slope along road heading N to Black Hills 793 Comment
  RSA543834  Claytonia perfoliata Steve Boyd, Orlando Mistretta 1991-5-22 6291 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  RSA485419  Claytonia perfoliata subsp. mexicana Steve Boyd, Thomas S. Elias 1987-4-14 2047 Los Angeles San Gabriel Mountains: Rincon - Red Box Road, S of Rincon Forest Station, N. of Glendora Comment
  RSA600350  Claytonia perfoliata subsp. perfoliata Steve Boyd, Lauren Raz 1997-3-26 9380 Los Angeles Liebre Mountains region: Sierra Pelona Ridge, Willow Spring on the southern flank of Martindale Canyon near the northern end of Bouquet Canyon, south of the upper end of the reservoir along Forest Service Road 6N08 1311 Comment
  SD152776  Claytonia perfoliata subsp. perfoliata Steve Boyd, Tim Ross 1992-4-30 7161 San Diego Southern Santa Ana Mts, San Mateo Canyon Wilderness Area.South branch of Cold Springs Cyn,along Cold Spring Trail from confluence of north & south branches of cyn upstream to 4-way crossing of trails at southern edge of inholding surrounding Cold Spring 518 Comment
  UCR79476  Clematis ligusticifolia Steve Boyd, T. S. Ross, D. E. Bramlet 1992-9-9 7676 Riverside Southern Santa Ana Mountains, San Mateo Wilderness Area; upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek, up the San Mateo Trail north to Potrero de la Cienega. 671 Comment
  UCR95277  Clematis ligusticifolia Steve Boyd, Lauren Raz 1996-9-24 8951 Los Angeles Liebre Mtns, Knapp Ranch area at upper end of Castaic Creek drainage in broad valley at head of Cienaga Canyon, south of Liebre Mtn. 930 Comment
  RSA522769  Clematis pauciflora Steve Boyd, Tim S. Ross, Laurel Arnseth 1990-3-29 3876 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  RSA0117423  Collinsia concolor Steve D. Boyd, C. Boyd, K. Boyd, R. Noyes, L. Arnseth 1988-5-28 2263 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  RSA0117425  Collinsia concolor Steve D. Boyd 1990-4-3 4086 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  RSA0117430  Collinsia concolor Steve D. Boyd 1995-4-24 8478 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on northern flank of Agua Tibia Mountain at the north base of Wildhorse Peak, along the Wildhorse Trail southeast of its junction with the Dripping Springs Trail. 610 Comment
  RSA359865  Collinsia concolor Steve D. Boyd 1986-4-2 1616 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA543957  Collinsia heterophylla Steve D. Boyd, Orlando Mistretta 1991-5-9 6188 Riverside Santa Ana Mountains, lower flank of range along the Bedford Truck Trail on ridge between Bedford and McBribe Canyons. 549 Comment
  RSA559444  Collinsia heterophylla Steve D. Boyd 1992-4-15 6868 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  RSA559962  Collinsia heterophylla Steve D. Boyd, Orlando Mistretta 1992-4-23 7073 Riverside San Mateo Canyon Wilderness Area, along San Mateo Creek from Riverside Co. line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 244 Comment
  CHSC56998  Collinsia multicolor Josephine Boyd 1988-5-11 San Mateo Along the old stagecoach roal parallel to Crystal Springs Road ca 250 ft sw of its jct. with Polhemus Road in San Mateo. 83 Comment
  RSA0117393  Collinsia parryi Steve D. Boyd 1992-4-21 6955 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. ''Miller Creek'', a major drainage on south flank of Miller Mountian, upsteam from Forest Service Road 8S02. 641 Comment
  RSA562438  Conium maculatum Steve Boyd, Timothy S. Ross 1992-5-6 7266 Riverside Southern Santa Ana Mountains, San Mateo canyon Wilderness area. West of Verdugo Portrero, along access road to Rancho Carillo(7S06) on ridge dividing Verdugo and Aliso Canyons, just east of Riverside-Orange Co. Line 671 Comment
  SD122941  Convolvulus arvensis Steve Boyd 1985-7-23 1003 Riverside 5.2 miles west of Rancho California on De Luz Road. 395 Comment
  RSA407724  Convolvulus simulans Steve Boyd 1986-5-1 1787 Riverside SW Perris Basin: Hill W of Skunk Hollow Comment
  RSA543901  Convolvulus simulans Steve Boyd 1991-3-20 6268 Riverside Temescal Cyn, S flank of Alberhill Mt., W end adjacent to old clay mine area. 426 Comment
  UC1595730  Convolvulus simulans Steve Boyd and Tim Ross 1991-6-14 6405 Riverside rolling hills just sw jtn of Briggs Rd and Scott Rd (e of Hwy I-215, between Sun City and Murrietta); Paloma Valley Comment
  UCR67349  Convolvulus simulans Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4059 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn. at east end 793 Comment
  UCR87116  Convolvulus simulans Steve Boyd 1991-5-10 6219 Riverside Santa Ana Mtns, Temescal Canyon, E base of mountains, just SE of Indian Truck Trail off ramp of Hwy I-15, south of DePalma Road 366 Comment
  UCR93054  Conyza bonariensis Steve Boyd, D. L. Banks 1994-9-29 8368 Riverside Lake Elsinore, Floodplain east of dike along San Jacinto River, west of Sedco Hills community 381 Comment
  RSA575927  Conyza coulteri Steve Boyd 1994-9-29 8367 Riverside Floodplain E of dike along San Jacinto River, W of Sedco Hills community. 381 Comment
  UCR22020  Conyza coulteri Steve Boyd 1980-9-12 350 Riverside Gavilan Hills, Harford Springs County Park, located on the NW corner of the Gavilan plateau. Comment
  RSA600207  Cordylanthus rigidus subsp. setiger Steve D. Boyd, Lauren Raz 1997-5-28 9893 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 866 Comment
  SD122958  Cordylanthus rigidus subsp. setiger Steve Boyd 1985-8-7 1097 San Diego Santa Rosa Plateau Region. Forest Service Road 8S02, 2.3 mi. west of Johnson Ranch (Jtn 8S01 & 8S02). In dry drainage in chaparral. Comment
  SD136751  Cordylanthus rigidus subsp. setiger Steve Boyd, Tim Ross 1992-6-10 7644 Riverside San Mateo Canyon Wilderness Area. San Mateo Canyon about Potrero Escondido, an isolated area due west of the juction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with main trunk of San mateo Creek 671 Comment
  CAS-BOT-BC287820  Coreopsis bigelovii Steve Boyd; Dave Bramlet 1986-6-9 1907 Tulare Southern Sierra Nevada Mts - Chimney Creek Canyon, S flank peak 7155, S of Chimney Meadow 1981 Comment
  RSA598096  Coreopsis bigelovii Steve Boyd, Lauren Raz 1997-3-4 9144 Los Angeles Liebre Mountains region, southern base of the Sierra Pelona Ridge, Crown Valley just northwest of Governor Mine, ca 0.8 mi north of Sierra Highway along Crown Valley Road, disturbed and graded area associated with high-tension power lines. 610 Comment
  RSA515165  Coreopsis bigelovii Steve Boyd, David E. Bramlet 1986-6-9 1869 Tulare Southern Sierra Nevada Mountains: Chimney Creek Canyon, side canyon south Peak 7155 south of Chimney Creek Meadow. Comment
  CAS-BOT-BC287883  Coreopsis californica Steve Boyd; Tim Ross; Laurel Arnseth 1990-3-30 3974 Riverside Vail Lake Area, valley between Black Hills and Rocky Ridge 701 Comment
  HSC85257  Coreopsis californica Steve Boyd 1986-4-22 1746 Riverside Stable alluvial benches of Indian Wash just S of Interstate Hwy 15 Comment
  RSA395352  Coreopsis californica Steve Boyd 1986-4-22 1746 Riverside Temescal Canyon; Stable alluvial benches of Indian wash just S of I-15. Comment
  RSA518000  Coreopsis californica Steve Boyd, Orlando Mistretta 1986-3-31 1525 Los Angeles Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. Comment
  UCR79254  Coreopsis californica Steve Boyd, T. S. Ross, O. Mistretta 1992-2-26 6701 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area: from Fisherman's Camp downstream to confluence w/ Bluewater Canyon 366 Comment
  RSA776734  Corethrogyne filaginifolia Steve Boyd, Valentin Arvizu, Rick Riefner 2006-9-21 11674 Los Angeles Along La Tuna Creek between La Tuna Canyon Road and 210 Freeway. Comment
  UCR224011  Corethrogyne filaginifolia Steve Boyd, Valentin Arvizu, Rick Riefner 2006-9-21 11674 Los Angeles Transverse Ranges; Verdugo Mountains region, Along La Tuna Creek between La Tuna Canyon Road and 210 Freeway. Comment
  RSA628351  Cortaderia jubata Steve Boyd 1998-10-6 10294 Los Angeles Liebre Mountians: Pine Canyon, west of junction with Lake Hughes Road. 1158 Comment
  CDA21779  Cosmos sulphureus Steve Boyd 1989-7-9 3778 Riverside City of Riverside, 4863 Rubidoux Ave. 0 Comment
  SD137898  Cotula australis Steve Boyd, Dain Banks 1995-4-5 8426 Riverside Palomar Range, Agua Tibia Wilderness Area, eastern edge of the Dripping Springs Alcove. 609 Comment
  RSA583372  Cotula australis Steve Boyd, Darin L. Banks 1995-4-5 8426 Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the eastern edge of the Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary. 579 Comment
  RSA570731  Crassula connata Steve Boyd, W. Appleby 1993-4-8 7948 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Devil Canyon, vicinity of Mud Spring. 671 Comment
  RSA678342  Crassula connata Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10479 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  OBI37523  Cressa truxillensis Steve Boyd 1985-8-7 1118 Riverside Murrieta area, Clinton Keith Rd, just E of the Bear Crk development golfcourse Comment
  RSA595950  Cressa truxillensis Steve Boyd, Mark Elvin, Victoria Jotikasthira 1996-6-25 8875 Los Angeles Liebre Mountains, southeastern end of Peace Valley in San Andreas Rift Zone, fault sag south of Highway 138 and north of the California Aqueduct, ca. 0.75 air miles west of Quail Lake. 1006 Comment
  SD152881  Crocanthemum scoparium Steve Boyd, Tim Ross and Mike Wall 1992-6-4 7534 San Diego Southern Santa Ana Mountains, Devil Canyon at the confluence with Miller Creek. 544 Comment
  UC1608223  Crocanthemum scoparium var. vulgare Steve Boyd, Tim Ross, and Mike Wall 1992-6-4 7534 San Diego Devil Canyon, at the confluence with Miller Creek Southern Santa Ana Mountains, Sam Mateo Canyon Wilderness Ar 536 Comment
  UCR48468  Croton wigginsii Steve Boyd 1986-2-6 1263 Imperial Sonoran (Colorado) Desert, Cargo Muchacho Mts. Plains east of mountains, powerline road, 2.9 mi west of Picacho Rd. 152 Comment
  HSC101583  Cryptantha angustifolia Steve Boyd 2005-4-6 11619 San Bernardino Mojave Desert; East Mojave Desert region: Sheep Corral area, southern base of the Granite Mountains, west of Kelbaker Road, north of Interstate 40 299 Comment
  RSA457762  Cryptantha angustifolia Steve Boyd, Richard Noyes, D. Nordin, L. Arnseth, Timothy S. Ross 1988-3-10 2123 ` Riverside North end Palen Mountains, 2 mi west of Palen Pass 300 Comment
  RSA562065  Cryptantha angustifolia Steve Boyd, C. Boyd, K. A. Boyd 1992-4-19 6918 Riverside N end of the Granite Mtns on sandy bajada along powerline road near jtn of Hwy 177 and Hwy 62. Area of transition between Mojave and Colorado Deserts. Comment
  RSA702327  Cryptantha angustifolia Steve Boyd, Michael Denslow 2004-3-23 10610 San Bernardino Lavic Mountain, southern end of the Cady Mountains northwest of Ludlow (north of Interstate 40) along powerline/pipeline access road. Comment
  RSA726209  Cryptantha angustifolia Steve Boyd, Tammy Morgan 2004-3-30 10752 San Bernardino Pisgah lava beds just south of old Route 66 and I-40, west of Ludlow and 7.8 miles east of Fort Cady Road. 600 Comment
  RSA776745  Cryptantha angustifolia Steve Boyd 2005-4-6 11619 San Bernardino East Mojave Desert region: Sheep Corral area, southern base of the Granite Mountains, west of Kelbaker Road, north of Interstate 40. 299 Comment
  RSA777195  Cryptantha angustifolia Steve Boyd 2005-4-6 11619 San Bernardino East Mojave Desert region: Sheep Corral area, southern base of the Granite Mountains, west of Kelbaker Road, north of Interstate 40. 299 Comment
  UC1928537  Cryptantha angustifolia Steve Boyd, LeRoy Gross 2008-4-11 11841 Inyo Mojave Desert; North Mojave Desert region; Southwestern base of Dublin Hills at eastern edge of lower Greenwater Valley, west of Shoshone, bajada east of Furnace Creek Wash Road, north and east to lowest rocky slopes and outlying hills. Comment
  UCR148374  Cryptantha angustifolia Steve Boyd, Michael Denslow 2004-3-23 10675 San Bernardino Mojave Desert; Central Mojave Desert region, Pisgah Crater lava fields, south of the Cady Mountains,, west of Ludlow, just south of Interstate 40 on road to cinder quarry operation Comment
  UCR52025  Cryptantha angustifolia Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2181 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA701907  Cryptantha barbigera Steve Boyd, Michael Denslow 2004-3-23 10600 San Bernardino Lavic Mountain, southern end of the Cady Mountains northwest of Ludlow (north of Interstate 40) along powerline/pipeline access road. Comment
  UCR52016  Cryptantha barbigera Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2137 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  RSA518027  Cryptantha circumscissa Steve Boyd 1986-3-31 1575 Los Angeles Mojave Desert: Highway 18 about 1 mile E of jct with Hwy 138, NE of Pinyon Hills. Comment
  RSA572975  Cryptantha circumscissa Steve Boyd, M. Doyle, S. Meury, B. Roy 1986-4-12 1660 San Bernardino Lucerne Valley, just E of Rabbit Dry Lake, off Hwy. 18. Comment
  RSA600015  Cryptantha circumscissa Steve Boyd, Lauren Raz 1997-5-29 9928 Los Angeles Liebre Mountains region: North base of Portal Ridge, north of the San Andreas Rift Zone at the edge of the Antelope Valley, upper mouth of Cow Spring Canyon along the Pacific Crest Trail. 1127 Comment
  RSA731058  Cryptantha circumscissa Steve Boyd, LeRoy Gross 2008-4-11 11892 Inyo Southwestern base of Dublin Hills at eastern edge of lower Greenwater Valley, west of Shoshone, bajada east of Furnace Creek Wash Road, north and east to lowest rocky slopes and outlying hills. 580 Comment
  UCR95746  Cryptantha circumscissa Steve Boyd, Orlando Mistretta, John Dolan 1996-4-18 8578 Los Angeles San Gabriel Mtns., upper West Fork Liebre Gulch along spur leading off along steep ridgeline west of Angeles National Forest Road 8N01, at a point 7.0 road miles from junction with 8N05 1204 Comment
  RSA0031374  Cryptantha clevelandii Steve Boyd, Lauren Raz, Timothy S. Ross 1997-4-1 9480 Los Angeles Liebre Mountains region: Upper watershed of Osito Canyon between Interstate 5 and the Old Ridge Route, vicinity of Osito Flat, a distinctive, open grassy break in slope under the high tension power lines. 793 Comment
  UCR99519  Cryptantha clevelandii Steve Boyd, L. Raz 1997-5-6 9719 Los Angeles Liebre Mountains, San Francisquito Canyon, W side of canyon at E edge of Red Mtn ridge system, just north of confluence with Bee Canyon and 1.5 road mi. south of the Clearwater Canyon Truck Trail (6N24). 732 Comment
  RSA526568  Cryptantha clevelandii Steve Boyd, Tim Ross, L. Arnseth 1990-4-7 4253 a Los Angeles San Clemente Island, lower half of China Cyn, S end of Island, W side. Comment
  RSA727837  Cryptantha corollata Steve Boyd, Tammy Morgan 2004-5-11 11196 Ventura Mount Pinos region: Topa Topa Mountains, east of Sespe Canyon near upper end of Tar Creek Road (and trail). Comment
  RSA0078972  Cryptantha cycloptera Steve Boyd, Michael Denslow 2004-3-23 10601 San Bernardino Lavic Mountain, southern end of the Cady Mountains northwest of Ludlow (north of Interstate 40) along powerline/pipeline access road. Comment
  RSA0013736  Cryptantha decipiens Steve Boyd 2010-4-18 12232 Inyo Mojave Desert: Northwest base of Dublin Hills, south of Hwy 178, northwest of Shoshone. 610 Comment
  RSA518034  Cryptantha decipiens Steve Boyd 1986-3-31 1576 -B Los Angeles Mojave Desert: Highway 18 about 1 mile E of jct with Hwy 138, NE of Pinyon Hills. Comment
  UC1929893  Cryptantha echinella Steve Boyd, Michael Denslow, Amber Maurice, Sarah Swartzentruber, Aydee Virgen 2003-6-27 10542 Tulare Sierra Nevada; Southern Sierra Nevada region; Chimney Peak Recreation Area, summit of northern high point on Bear Mountain (Bear Peak). 2509 Comment
  RSA388027  Cryptantha holoptera Steve Boyd 1986-2-6 1232 Imperial Cargo Muchacho Mountains, large canyon at SE end of mountains, 5.4 miles NE of I-8 off Sidewinder Rd and Power-line Rd. Comment
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Jan 23 2012
  RSA507969  Cryptantha intermedia Steve Boyd 1988-4-28 2223 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus. In small canyon. Angeles National Forest. 640 Comment
  RSA561503  Cryptantha intermedia Steve Boyd, Orlando Mistretta, David E. Bramlet 1992-6-22 7647 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Southeastern edge of wilderness in upper Devil Canyon drainage, southwest of Sky ranch along Forest Service Road 8S01 732 Comment
  RSA572965  Cryptantha intermedia Steve Boyd 1986-4-2 1600 San Diego De Luz Canyon: Along De Luz-Murrieta Road and De Luz Creek. 150 Comment
  RSA599250  Cryptantha intermedia Steve Boyd, Lauren Raz 1997-3-31 9449 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 914 Comment
  RSA726842  Cryptantha intermedia Steve Boyd, LeRoy Gross 2004-5-4 11033 San Diego Hills north of Warner Springs, Indian Flats Campground of Cleveland National Forest along Road 9S05. Comment
  RSA726862  Cryptantha intermedia Steve Boyd, Aydee Virgen 2004-4-13 10886 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  SBBG96956  Cryptantha intermedia S. Boyd with T. Ross, L. Arnseth 1990-4-8 4290 Los Angeles near Malo Pt, first cyn S of Bryce Cyn Comment
  UCR138586  Cryptantha intermedia Steve Boyd 1986-3-1 1367 Riverside Gavilan Hills, Gavilan Hills, on recent burn, 0.25 mi south of Harford Springs County Park 640 Comment
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May 31 2011
  UCR71151  Cryptantha intermedia Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4424 Los Angeles Channel Islands, San Clemente Island: east side of island, Bryce Canyon near Malo Point Comment
  UCR71155  Cryptantha intermedia Steve Boyd, L. Arnseth 1990-4-8 4290 Los Angeles Channel Islands, San Clemente Island: E side of the island, near Malo Point, first canyon south of Bryce Canyon Comment
  UCR71184  Cryptantha intermedia Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4382 Los Angeles Channel Islands, San Clemente Island: E side of the island, near Malo Point, third canyon south of Bryce Canyon 427 Comment
  RSA527663  Cryptantha intermedia Steve Boyd, Tim Ross, L. Arnseth 1990-4-8 4382 Los Angeles San Clemente Island: E side of island, Bryce Cyn near Malo Point. Comment
  RSA527670  Cryptantha intermedia Steve Boyd, Tim Ross, L. Arnseth 1990-4-8 4290 Los Angeles San Clemente Island: E side of island, Bryce Cyn near Malo Point. Comment
  RSA0116513  Cryptantha juniperensis Steve Boyd, Valentin Arvizu 2008-5-1 11918 Kern Southern Sierra Nevada region: Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley. 1372 Comment
  RSA0116515  Cryptantha juniperensis Steve Boyd, A. C. Sanders, R. T. Hawke, Shaun Hawke, Susan Hobbs, Paul Hobbs 1997-4-20 9557 Kern San Emigdio Range: Pleito Hills region, San Emigdio Ranch, ridge on west side of Pleito Canyon, approximately 4.5 air miles due north of Antimony Peak. 1098 Comment
  RSA570253  Cryptantha maritima Steve Boyd, Tim Ross, W. Appleby 1993-3-20 7882 San Bernardino Chemehuevi Valley, southwest of Needles, west of the Chemehuevi Mountians along Water Road, just North of intersection with Highway 95. 500 Comment
  UCR147845  Cryptantha maritima Steve Boyd, Et al. 2004-5-14 11274 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  UCR52017  Cryptantha maritima var. maritima Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2180 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  CAS-BOT-BC520377  Cryptantha micrantha var. lepida Steve Boyd; Gary Wallace 2005-7-30 11639 Riverside Peninsular Ranges, San Jacinto Mountains region: San Jacinto Mtns State Park, Hidden Lake area, NE of Hidden Divide, SE of Long Valley, near head of Hidden Fork of Tahquitz Creek 2682 Comment
  RSA583721  Cryptantha micromeres Steve Boyd 1995-4-24 8474 B Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on northern flank of Agua Tibia Mountain at the north base of Wildhorse Peak, along the Wildhorse Trail near its junction with the Dripping Springs Trail. 610 Comment
  HSC85285  Cryptantha microstachys Steve Boyd 1986-5-7 1832 Riverside Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, S of I-15 Comment
  RSA388332  Cryptantha microstachys Steve Boyd 1986-5-7 1832 Riverside Temescal Canyon: Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. [Gavilan Hills] Comment
  RSA525346  Cryptantha microstachys Steve Boyd, A. Sanders, Mark Skinner 1990-4-28 4443 Riverside Vail Lake area, summit of Big Oak Mtn, N of lake 762 Comment
  RSA543935  Cryptantha microstachys Steve Boyd 1991-5-10 6213 Riverside Santa Ana Mountains, base of range, just N of mouth of Hagador Cyn at bottom of Skyline Drive. 427 Comment
  RSA583722  Cryptantha microstachys Steve Boyd 1995-4-24 8474 A Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on northern flank of Agua Tibia Mountain at the north base of Wildhorse Peak, along the Wildhorse Trail near its junction with the Dripping Springs Trail. 610 Comment
  UC1595612  Cryptantha microstachys Steve Boyd and Orlando Mistretta 1991-5-22 6282 Riverside e of Dorland Mtn. (w of Kolb Creek); Vail Lake Area, Agua Tibia Mtn. 548 Comment
  UC1595623  Cryptantha microstachys Steve Boyd 1991-5-20 6263 Riverside w flank Alberhill Mtn. (w end adjacent to old clay mine area); Temescal Canyon 426 Comment
  UCR160322  Cryptantha microstachys Steve Boyd 1992-4-14 6825 Riverside Peninsular Ranges; Santa Ana Mtns Region, San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail 793 Comment
Read comments
Jul 5 2010
  UCR198373  Cryptantha microstachys Steve Boyd, Valentin Arvizu 2008-5-1 11917 Kern Southern Sierra Nevada Range, Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley 1463 Comment
  RSA0094688  Cryptantha microstachys Steve Boyd, D. Bramlet, Timothy S. Ross 1993-5-12 7341 Riverside Southern Santa Ana Mountains, Sant Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon. 365 Comment
  UCR204915  Cryptantha muricata Steve Boyd, Naomi Fraga 2004-4-27 10996 San Diego Peninsular Ranges; Anza Bench region, hills north of Warner Springs, south of Indian Flats Campground of Cleveland National Forest along Road 9S05 Comment
  UCR61100  Cryptantha muricata Steve Boyd, T. S. Ross 1988-4-28 2245 Los Angeles San Gabriel Mtns., W end of mtns., Angeles National Forest. Sand Canyon, east of Saugus. In small side canyon 793 Comment
  UCR68609  Cryptantha muricata Steve Boyd, D. E. Bramlet 1990-4-29 4477 Riverside Peninsular Range, Lake Skinner County Park, S flank of Bachelor Mtn. Comment
  RSA0079412  Cryptantha muricata var. jonesii Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4032 B Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA0079434  Cryptantha muricata var. jonesii Steve Boyd, Valentin Arvizu 2004-6-8 11480 B Ventura Mount Pinos region: Topa Topa Mountains, Tar Creek, east of its confluence with Sespe Canyon near point where stream is crossed by Tar Creek Road trail. 610 Comment
  RSA0079277  Cryptantha muricata var. muricata Steve Boyd, Thomas Elias 1987-4-14 2041 Los Angeles San Gabriel Mountains, Rincon - Red Box Road, S of Rincon Forest Station, N. of Glendora. Comment
  RSA570352  Cryptantha nevadensis Steve Boyd, W. Appleby, Timothy S. Ross 1993-3-18 7778 San Bernardino Southern base of the Avawatz Range at the mouth of Sheep Creek Springs Canyon about old mining camp at Sheep Creek Spring. 600 Comment
  SBBG87686  Cryptantha nevadensis var. nevadensis S. Boyd, C. Boyd 1987-4-12 2016 Inyo S end of Greenwater Valley, 0.3 mi NW of jct with St Hwy 178, 2 mi W of Shoshone Comment
  UCR99357  Cryptantha nevadensis var. rigida Steve Boyd, Lauren Raz 1997-4-16 9527 Los Angeles San Gabriel Mtns., NW end of range, Peace Valley due south of the junction of Interstate 5 and Hwy 138, and east of Copco Road along narrow paved road which is the continuation of Forest Service Road 8N01. 960 Comment
  UCR52021  Cryptantha pterocarya var. cycloptera Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2182 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  UCR60820  Cryptantha pterocarya var. cycloptera Steve Boyd, Orlando Mistretta 1986-3-13 1449 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  SD220044  Cryptantha pterocarya var. pterocarya Steve Boyd 2005-4-6 11618 San Bernardino East Mojave Desert region: Sheep Corral area, southern base of the Granite Mountains, west of Kelbaker Road, north of Interstate 40. 299 Comment
  UCR218306A  Cryptantha pterocarya var. pterocarya Steve Boyd 2010-4-18 12229 A Inyo Mojave Desert; North Mojave Desert region, Northwest base of Dublin Hills, south of Hwy 178, northwest of Shoshone 671 Comment
  RSA0078842  Cryptantha pterocarya var. pterocarya Steve Boyd, D. Charlton, L. Arnseth, D. Nordin, S. Meury, Richard Noyes, Timothy S. Ross 1988-4-8 1609 San Bernardino South side of Ord Mtn. N of Lucerne Valley. 10 miles N of the Bear Valley Rd. on Camp Rock Rd. 1372 Comment
  RSA0079162  Cryptantha pterocarya var. purpusii Steve Boyd, Valentin Arvizu 2008-5-1 11916 -C Kern Southern Sierra Nevada region: Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley. 1372 Comment
  RSA611837  Cryptantha similis Steve Boyd, Valerie Soza 1998-4-28 10175 Los Angeles Liebre Mountains region: Antelope Valley, at foot of Portal Ridge along Lancaster Road, just south of the junction with Highway 138, west of Fairmont. Comment
  RSA600172  Cryptantha sparsiflora Steve Boyd, Lauren Raz 1997-5-1 9664 Los Angeles Liebre Mountains Region: Sierra Pelona ridgeline, about 1.5 miles west of Mt. McDill and 1.3 miles south-southeast of Lincoln Crest, the head of Bouquet Canyon. 1463 Comment
  RSA552729  Cupressus forbesii Steve Boyd, T. S. Ross 1992-3-31 6772 Riverside Santa Ana Mountains, clay soil areas on Elsinore Peak. 1011 Comment
  SEINET3863437 Image available Cupressus guadalupensis var. forbesii Steve Boyd, L. W. Lenz 2001-5-2 10425 Los Angeles Transverse Ranges; Liebre Mountains region: Warm Springs MOuntain, along road to summit, just west of cutoff to Necktie Basin on slope between road and steep escarpment into Warm Springs Canyon.; 0 Comment
  RSA0013744  Cuscuta californica Steve Boyd, Valentin Arvizu 2008-8-20 12013 Kern Piute Mountains, lower Water Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley. 1419 Comment
  RSA525320  Cuscuta californica Steve Boyd, D. E. Bramlet 1990-4-29 4474 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  RSA562766  Cuscuta californica Steve Boyd, Timothy S. Ross 1992-5-19 7420 Orange Southern Santa Ana Mountains San Mateo Canyon Wilderness Area. Western edge of the wilderness along Lucas Canyon Trail from access road to Rancho Carrillo (7S06) N into Aliso Canyon. 366 Comment
  RSA575835  Cuscuta ceanothi Steve Boyd 1981-5-15 s.n. Riverside Gavilan Hills region, Temescal Canyon at the confluence of 'Estelle Creek' and Temescal Creek, just northwest of the entrenched meander of Temescal Creek at the western base of Estelle Mountain. 317 Comment
  UCR48365  Cuscuta indecora var. indecora Steve Boyd 1986-5-1 1811 Riverside S slopes of Bachelor Mtn, east end of Lake Skinner Comment
  UCR37662  Cuscuta salina Steve Boyd 1981-5-6 810506- 7 San Diego South of Carlsbad, Agua Hedionda Lagoon, E end of lagoon on the S side 0.3 Comment
  SD152878  Cuscuta subinclusa Steve Boyd, Tim Ross and Orlando Mistretta 1992-10-2 7701 San Diego Southern Santa Ana Mountains, southwestern edge of the wilderness and adjacent Camp Pendleton in lower San Mateo Canyon. 130 Comment
  UCR60929  Cuscuta subinclusa Steve Boyd, D. E. Bramlet 1986-6-9 1860 Tulare Southern Sierra Nevada Mtns., Chimney Creek Canyon, side canyon south of peak 7155 [7125], south of Chimney Creek Meadow 1738 Comment
  RSA479905  Cycloloma atriplicifolium Steve Boyd 1987-5-9 2087 Riverside City of Riverside, J.V. Boyd residence, 2307 Oak Crest. Comment
  RSA571307  Cynara cardunculus subsp. flavescens Steve Boyd, Darin L. Banks 1994-4-5 8255 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero. 762 Comment
  RSA561500  Cynosurus echinatus Steve Boyd, Orlando Mistretta, D. E. Bramlet 1992-6-22 7650 San Diego Southern Santa Ana Mountains: San Mateo Canyon Wilderness Area, Miller Canyon, the principal drainage on southern slope of Miller Mountain, at crossing of Cold Springs Road (8S02). 610 Comment
  CDA38930  Cyperus difformis Steve Boyd 1989-7-23 3788 Riverside City of Riverside, Santa Ana River, just downstream of old city dump at west extension of Rubidoux Ave. 0 Comment
  CAS-BOT-BC114563  Cyperus eragrostis Steve Boyd 1985-8-7 1089 San Diego 3.6 mi (by road) NW of jtn of Tenaja Trail and De Luz Rd. Comment
  CHSC22602  Cyperus eragrostis Catherine Boyd 1964-5-17 Alameda 2131 Grant Street, Berkeley. Front yard. 60 Comment
  RSA522098  Cyperus eragrostis Steve Boyd, Timothy S. Ross 1989-8-28 3791 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  RSA522099  Cyperus eragrostis Steve Boyd, Timothy S. Ross 1989-8-28 3792 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  UCR40400  Cyperus eragrostis Steve Boyd 1985-7-23 1001 Riverside Peninsular Range; Santa Ana Mtns., 5 mi west of Rancho California at the junction of Rancho California Road & De Luz Road 427 Comment
  SEINET7581721 Image available Cyperus erythrorhizos Steve Boyd 1982-11-2 s.n. Riverside Gavilan Hills region, Temescal Canyon at the confluence of "Estelle Creek" and Temescal Creek, at the northern end of the entrenched meander of Temescal Creek at the western base of Estelle Mountain. 329 Comment
  UCR77750  Cyperus odoratus Steve Boyd 1991-7-13 6409 Riverside Peninsular Range, Temescal Canyon, W base of Gavilan Hills, area of old glass factory between Temescal Wash & I-15, just south of Cajalco Road Comment
  RSA776703  Cyperus squarrosus Steve Boyd, Gary D. Wallace 2005-7-30 11649 Riverside San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2659 Comment
  RSA517838  Dalea mollis Steve Boyd, Orlando Mistretta 1986-3-13 1468 Riverside West side Palen Mts.: NE of Desert Center. Comment
  RSA517841  Dalea mollis Steve Boyd, Orlando Mistretta 1986-3-13 1472 Riverside West side Palen Mts.: NE of Desert Center. Comment
  SBBG105063  Dalea mollis S. Boyd, T. Ross, W. Appleby 1993-3-19 7826 San Bernardino southern base of the Avawatz Range below Sheep Crk Springs Cyn 200 Comment
  UC1563095  Dalea mollis Steve Boyd and Orlando Mistretta 1986-3-13 1428 Riverside n.e. Desert Center (juction of Parker Dam Rd. and 'Palen Rd' (rd. going through pass between Palen and Granite Ranges)); Palen Mts. 243 Comment
  RSA387409  Dalea mollissima Steve Boyd 1986-2-6 1249 Imperial Bajada E of the Mts., Powerline Road 5.6 miles W of Picacho Rd. Comment
  RSA480074  Dalea mollissima Steve Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2167 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  SD136847  Dalea mollissima Steve Boyd, Time Ross and Walter Appleby 1993-3-19 7826 San Bernardino Southern base of the Avawatz Rnge on lower third of alluvial fan below Sheep Creek Springs Canyon. 199 Comment
  UCR52009  Dalea mollissima Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2167 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  RSA502504  Datisca glomerata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3564 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  UCD107678  Datisca glomerata Steve Boyd; Valentin Arvizu 2004-6-8 11471 Ventura Transverse Ranges; Mount Pinos region: Topa Topa Mountains, Tar Creek, east of its confluence with Sespe Canyon near point where stream is crossed by Tar Creek Road trail. 610 Comment
  UCR148042  Datisca glomerata Steve Boyd, Amber Maurice 2004-5-18 11342 Los Angeles Transverse Ranges; Liebre Mountains region, Elizabeth Lake Canyon at and just upstream from confluence with Ruby Canyon, between Warm Springs Mountain and Red Mountain 610 Comment
  UCR68859  Datisca glomerata Steve Boyd, T. S. Ross 1990-5-11 4659 Riverside Peninsular Range, Cleveland National Forest: Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground 610 Comment
  UCR22103  Datura wrightii Steve Boyd 1980-5-15 282 Riverside Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan plateau 625 Comment
  RSA500208  Daucus pusillus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3535 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA561892  Daucus pusillus Steve Boyd, Timothy S. Ross 1992-6-10 7635 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about Potrero Escondido , an isolated area of low relief topping the ridge system due west of the junction on Tenaja Road (7S01) and Los Alamos Road (7S04)., At the confluence of Los Alamos Creek with the main trunk of San Mateo Creek 671 Comment
  UC1563100  Daucus pusillus Steve Boyd, Tim Ross, and Laurel Arnseth 1989-5-7 3538 Riverside just s. of dam Vail Lake area 487 Comment
  UC1563109  Deinandra kelloggii Steve Boyd, Tim Ross, and Laurel Arnseth 1989-6-10 3673 Riverside below the dam Temecula Creek Canyon; Vail Lake Area 457 Comment
  UCR200754  Delphinium cardinale Steve Boyd, Tammy Morgan 2004-5-11 11195 Ventura Transverse Ranges; Mount Pinos region, Topa Topa Mtns, east of Sespe Canyon near upper end of Tar Creek Road and trail Comment
  UCR205021  Delphinium parishii Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10473 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert, East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station 366 Comment
  SD215634  Delphinium parryi Steve Boyd, Lauren Raz & Timothy S. Ross 1997-4-1 9491 Los Angeles Upper watershed of Osito Canyon between Interstate 5 and the Old Ridge Route, vicinity of Osito Flat, a distinctive, open grassy break in slope under the high tension power lines 792 Comment
  CAS-BOT-BC121421  Delphinium parryi subsp. parryi Steve Boyd 1986-4-19 1712 Riverside Temescal Canyon, flats at SE end Alberhill Mountain. Comment
  RSA599760  Delphinium parryi subsp. parryi Steve Boyd, Lauren Raz 1997-5-6 9779 Los Angeles Liebre Mountains region: Fish Canyon just upstream from the confluence with Castaic Creek. 500 Comment
  RSA552752  Delphinium patens subsp. hepaticoideum Steve Boyd 1992-3-21 6738 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area, Tenaja Canyon. along trail from wilderness boundary downstream towards Fisherman's Camp. 366 Comment
  RSA559417  Delphinium patens subsp. hepaticoideum Steve Boyd 1992-4-15 6862 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  RSA0030019  Delphinium patens subsp. montanum Steve Boyd, T. S. Elias 1987-4-14 2053 Los Angeles San Gabriel Mountains, Rincon - Red Box Road, S of Rincon Forest Station, N. of Glendora Comment
  UCR98919  Delphinium patens subsp. montanum Steve Boyd, Lauren Raz 1997-5-20 9798 Los Angeles Transverse Range; Liebre Mountains, Northern flank of Sawmill Mtn., upper Heryford Canyon drainage, just NE of Sawmill Summit at the junction of F.S. Roads 7N23 & 7N08 1585 Comment
  RSA599501  Dendromecon rigida Steve Boyd, Lauren Raz 1997-3-26 9326 Los Angeles Liebre Mountains region: Portal Ridge north of Lake Hughes, upper end of Myrick Canyon drainage along Lakeview Road. 1097 Comment
  RSA735799  Dendromecon rigida subsp. rigida Steve Boyd 2007-2-17 11711 San Luis Obispo Los Padres National Forest along Pozo Road at Pozo Summit, at divide between Pozo Creek drainage and Mariana Creek drainage. 803 Comment
  RSA543881  Deschampsia danthonioides Steve Boyd, D. E. Bramlet 1991-5-13 6239 Riverside Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. N of Santa Fe RR tracks, W of San Diego aqueduct. Comment
  RSA701337  Descurainia pinnata Steve Boyd, Tammy Morgan 2004-3-30 10762 San Bernardino Pisgah lava beds just south of old Route 66 and I-40, west of Ludlow and 7.8 miles east of Fort Cady Road. 600 Comment
  RSA335140  Descurainia pinnata subsp. glabra Steve Boyd, Karlin G. Marsh 1985-6-11 1162 San Bernardino San Bernardino Mountains. Bear Valley area. North shore of Baker Lake, about 1 mile east of the Stanfield Cut-off. Comment
  UCR198348  Descurainia pinnata subsp. glabra Steve Boyd, Valentin Arvizu 2008-5-1 11934 Kern Southern Sierra Nevada Range, Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley 1463 Comment
  UC1930159  Dicentra chrysantha Steve Boyd, Michael Denslow, Amber Maurice, Sarah Swartzentruber, Aydee Virgen 2003-6-27 10525 Tulare Sierra Nevada; Southern Sierra Nevada region; Chimney Peak Recreation Area, summit of northern high point on Bear Mountain (Bear Peak). 2509 Comment
  UCD139182  Dichelostemma capitatum Steve Boyd; Tim, Ross, Laurel Arnseth 1989-4-1 3176 Riverside Vail Lake area, southwest of the dam. 487 Comment
  UCR151977  Dichelostemma capitatum Steve Boyd, Heidi Bigelow 2004-4-5 10843 San Diego Peninsular Ranges/ Cuyamaca-Laguna Mtns region, Pine Hills area, between Magee Flat and Deadman Flat along Eagle Peak Road Comment
  RSA522731  Dichelostemma capitatum subsp. capitatum Steve Boyd, Timothy S. Ross, L. Arnseth, S. Boyd 1990-3-29 3836 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  RSA524406  Dichelostemma capitatum subsp. capitatum Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4097 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  RSA570732  Dichelostemma capitatum subsp. capitatum Steve Boyd, W. Appleby 1993-4-8 7974 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Devil Canyon near road 8S01. 732 Comment
  RSA701543  Dichelostemma capitatum subsp. capitatum Steve Boyd, Heidi Bigelow 2004-4-5 10843 San Diego Pine Hills area, between Magee Flat and Deadman Flat along Eagle Peak Rd. Comment
  RSA731254  Dichelostemma capitatum subsp. capitatum Steve Boyd, Valentin Arvizu 2008-5-1 11944 Kern Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley 1372 Comment
  SD137974  Dichelostemma capitatum subsp. capitatum Steve Boyd, Darin L. Banks 1995-4-6 8469 San Diego Palomar Range,Agua Tibia Wilderness Area, NE flank of Agua Tibia Mtn, main trunk of Arroyo Seco from the Wilderness boundary S to the confluence with the major tributary from the west, at the N base of Eagle Crag. In soil pockets on granite slickrock 853 Comment
  RSA527649  Dichelostemma capitatum subsp. capitatum Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-8 4368 Los Angeles San Clemente Island: E side of island, Bryce Cyn near Malo Point. Comment
  SEINET3885714  Dichelostemma pulchellum Steve Boyd, Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-1 4013 Riverside Vail Lake area, lower slopes of Aqua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Sta.; 0 488 Comment
  RSA501033  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3154 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA501061  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3178 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA501071  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3189 Riverside Vail Lake area, head of Temecula Creek Cyn at the dam. 426 Comment
  RSA777204  Dieteria canescens var. leucanthemifolia Steve Boyd, Sula Vanderplank, Valentin Arvizu 2004-10-13 11575 San Bernardino [SE] end of the Mescal Mtns, south of Clark Mountain and Interstate 15, [SE] of Mountain Pass 1600 Comment
  RSA562808  Digitalis purpurea Steve D. Boyd, Tim S. Ross 1992-5-20 7480 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of the wilderness in Lucas Canyon, along foot trail upstream from end of old roadgrade to upper homestead (corrugated steel building). 350 Comment
  CAS-BOT-BC152264  Diplacus clevelandii Steve Boyd 1986-4-22 1757 Riverside Temescal Canyon, just south of Interstate 15 Comment
  UCR22060  Distichlis spicata var. stricta Steve Boyd 1980-5-13 263 Riverside Gavilan Hills, Harford Springs County Park, at NW corner of the Gavilan Plateau 640 Comment
  RSA701164  Ditaxis lanceolata Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11225 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  UCR48451  Ditaxis lanceolata Steve Boyd 1986-2-6 1240 Imperial Sonoran (Colorado) Desert, Cargo Muchacho Mountains, large canyon at SE end of mountains, 5.4 miles NE of Interstate Hwy 8, off Sidewinder Road and powerline road 183 Comment
  UCR48533  Dithyrea californica Steve Boyd 1986-2-6 1265 Imperial Sonoran (Colorado) Desert, Cargo Muchacho Mts. Plains east of Mts., Powerline Road, 1.0 mi west of Picacho Rd. Comment
  UC1606957  Dodecahema leptoceras Steve Boyd 1986-4-19 1692 Riverside e side of wash between I-15 and Temescal Canyon Road; Temescal Canyon, Indian Wash Comment
  RSA571487  Dodecatheon clevelandii Steve Boyd, Tim S. Ross 1994-3-23 8219 San Diego Southwestern Cuyamaca Mountains, Cleveland National Forest, southeastern slope of Viejas Mountain, at western edge of Viejas Valley. 793 Comment
  UCR39486  Draba corrugata Steve Boyd 1983-7-25 s.n. San Bernardino San Bernardino Mtns, Near Onyx Summit at Cienaga Seca, west of Hwy 38 2500 Comment
  RSA522760  Draba cuneifolia Steve Boyd 1990-3-29 3867 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  RSA479507  Dryopteris arguta Steve Boyd, Thomas Elias 1987-4-14 2052 Los Angeles Rincon-Red Box Road. S of Rincon Forest Station, N of Glendora. Comment
  RSA495424  Dryopteris arguta Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-12 2950 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA702005  Dryopteris arguta Steve Boyd, Valentin Arvizu 2004-6-8 11493 Ventura Mount Pinos region: Topa Topa Mountains, Tar Creek, east of its confluence with Sespe Canyon near point where stream is crossed by Tar Creek Road trail. 610 Comment
  SD217157  Dryopteris arguta Steve Boyd, Tim Ross & Orlando Mistretta 1992-2-2 6642 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest; upper San Mateo Canyon between confluence of Tenaja Canyon and Los Alamos Canyon Comment
  RSA0012059  Dudleya abramsii subsp. abramsii Steve Boyd, Valentin Arvizu 2008-5-1 11974 Kern Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley. 1372 Comment
  UCR225704  Dudleya abramsii subsp. abramsii Steve Boyd, Valentin Arvizu 2008-5-1 11974 Kern Southern Sierra Nevada Range, Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley 1463 Comment
  RSA388326  Dudleya multicaulis Steve Boyd 1986-5-7 1838 Riverside Temescal Canyon: Edge of Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. Comment
  UCR48404  Dudleya multicaulis Steve Boyd 1986-5-7 1846 Riverside Peninsular Range, Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, south of Hwy I-15 366 Comment
  SD136859  Dysphania pumilio Steve Boyd, Tim Ross, Mike Wall 1992-6-2 7486 Unknown Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Devil Canyon drainage along Miller Creek, from Cold Springs Road (8S02) downstream to confluence with main trunk of Devil Canyon. 536 Comment
Read comments
Apr 25 2016
  UC1605400  Eclipta prostrata Steve Boyd and Darin Banks 1994-9-29 8370 Riverside floodplain e dike along San Jacinto River (w of Sedco Hills community); Lake Elsinore 381 Comment
  RSA776727  Ehrharta erecta Steve Boyd, Valentin Arvizu, Rick Riefner 2006-9-21 11683 Los Angeles Along La Tuna Creek between La Tuna Canyon Road and 210 Freeway. Comment
  UCR224255  Elatine brachysperma Steve Boyd, Michael Wall 2006-7-7 11667 San Diego Peninsular Ranges; Santa Ana Mountains region, Southeastern boundary of the San Mateo Canyon Wilderness Area (Cleveland National Forest), near Sky Ranch along Forest Road 8S01, near old landing strip. Comment
  RSA0013567  Eleocharis bella Steve Boyd, Gary D. Wallace 2005-7-30 11646 Riverside San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2652 Comment
  SEINET7586289 Image available Eleocharis macrostachya Steve Boyd, Dave Bramlet 1996-4-19 8612 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  SEINET7586396 Image available Eleocharis montevidensis Steve Boyd, Tim Ross 1992-4-29 7115 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, San Mateo Canyon, southeast of Indian Potrero at base of eastern-most segment of Clark Trail. 213 Comment
  RSA535399  Eleocharis palustris Steve Boyd 1986-5-1 1784 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow. Comment
  RSA520758  Eleocharis palustris Steve Boyd, David E. Bramlet 1986-6-9 1947 Tulare Southern Sierra Nevada Mountains, Chimney Creek Canyon at Chimney Meadow, N base peak 7155. 1860 Comment
  UCR199814  Eleocharis parishii Steve Boyd, Valentin Arvizu 2004-6-8 11522 Ventura Transverse Ranges; Mount Pinos region, Topa Topa Mountains, Tar Creek, east of its confluence with Sespe Canyon near point where stream is crossed by Tar Creek Road trail 610 Comment
  RSA696627  Elymus elymoides Steve Boyd, Michael Denslow, Amber Maurice, Sarah Swartzentruber, Aydee Virgen 2003-6-27 10550 Tulare Chimney Peak Recreation Area, summit of northern high point on Bear Mountain (Bear Peak). 2509 Comment
  RSA600141  Elymus elymoides subsp. elymoides Steve Boyd, Lauren Raz 1997-5-29 9922 Los Angeles Liebre Mountains region: Portal Ridge, north of the San Andreas Rift Zone, in the Cow Spring drainage along the Pacific Crest Trail, at point where trail crosses side drainage originating on ridge forming divide with Gookins Dry Lake. 1098 Comment
  RSA702264  Elymus glaucus Steve Boyd, Amber Maurice 2004-5-18 11325 Los Angeles Elizabeth Lake Canyon at and just upstream from confluence with Ruby Canyon, between Warm Springs Mountain and Red Mountain. 610 Comment
  RSA500528  Elymus glaucus subsp. glaucus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3614 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, S of Hwy 79. 488 Comment
  RSA560429  Elymus glaucus subsp. glaucus Steve Boyd, Timothy S. Ross, M. Wall 1992-6-4 7527 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Devil Canyon at the confluence with Miller Creek. 537 Comment
  RSA600055  Elymus glaucus subsp. glaucus Steve Boyd, Lauren Raz 1997-5-20 9810 Los Angeles Liebre Mountains region: Northern flank of Sawmill Mountain, upper Heryford Canyon drainage, just northeast of Sawmill Summit at the junction of Forest Service roads 7N23 and 7N08. 1341 Comment
  RSA561611  Elymus glaucus subsp. jepsonii Steve Boyd, Walter Appleby 1993-5-24 8160 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within Tujunga Ranger District of Angeles National Forest. Ridgeline southeast of May Canyon Saddle leading to May Peak. 1098 Comment
  UCR147723  Elymus triticoides Steve Boyd, Amber Maurice 2004-5-18 11325 Los Angeles Transverse Ranges; Liebre Mountains region, Elizabeth Lake Canyon at and just upstream from confluence with Ruby Canyon, between Warm Springs Mountain and Red Mountain 610 Comment
  RSA524425  Emmenanthe penduliflora Steve Boyd, L. Arnseth, Tim Ross, J. Bonilla 1990-4-3 4121 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  RSA525694  Emmenanthe penduliflora Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4565 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  RSA593551  Emmenanthe penduliflora Steve Boyd 1996-5-17 8799 San Diego Palomar Mountains, summit of Aguanga Mountain along Palomar Divide Road (9S07) ca. 2.6 miles east of junction with Halfway Road (9S06). 1387 Comment
  SD136826  Emmenanthe penduliflora Steve Boyd, Tim Ross 1992-5-15 7398 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area., vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 669 Comment
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Sep 16 2010
  RSA0013571  Emmenanthe penduliflora var. penduliflora Steve Boyd 2005-4-6 11630 San Bernardino Sheep Corral area, southern base of the Granite Mountains, west of Kelbaker Road, north of Interstate 40. 299 Comment
  RSA689723  Emmenanthe penduliflora var. penduliflora Steve Boyd, Michael Denslow, Amber Maurice, Sarah Swartzentruber, Aydee Virgen 2003-6-27 10516 Tulare Chimney Peak Recreation Area, summit of northern high point on Bear Mountain (Bear Peak). 2509 Comment
  SBBG119003  Emmenanthe penduliflora var. penduliflora S. Boyd with V. Arvizu 2004-6-8 11494 Ventura E of its confluence with Sespe Cyn near point where stream is crossed by Tar Crk Rd trail; Topatopa Mtns 610 Comment
  RSA612146  Encelia actoni Steve Boyd, Kent Hughes 1998-4-28 10205 Kern Southern Sierra Nevada, Piute Range: Jawbone Canyon, southeast of confluence with Hoffman Canyon, north base of Chuckwalla Mountain. 823 Comment
  LA94431  Encelia californica Leo Boyd; 1953-5-10 sn Los Angeles Comment
  RSA598944  Encelia californica Steve Boyd, Timothy S. Ross 1997-3-21 9189 Los Angeles Liebre Mountains, Castaic Valley along Lake Hughes Road just east of Castaic Lake forebay. 390 Comment
  SBBG96674  Encelia californica S. Boyd with T. Ross, L. Arnseth 1990-4-7 4256 Los Angeles lower half of China Cyn Comment
  CAS-BOT-BC131328  Encelia farinosa Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2127 Riverside N. end Palen Mtns, 2 mi west of Palen Pass 300 Comment
  UC1871079  Encelia farinosa Steve Boyd, T. S. Ross, W. Appleby 1993-3-20 7888 Riverside Colorado Desert; Northeastern Colorado Desert region; Southern end of Cadiz Valley, just east of the Coxcomb Mountains and northwest of the Granite Mountains, west edge of Highway 177, just south of intersection with Highway 62. 400 Comment
  UC1929588  Encelia farinosa Steve Boyd 2007-4-20 11724 Riverside Peninsular Ranges; Perris-Aguanga Basin region; Southeastern end of the Gavilan Hills, north of Warm Springs Valley at upper end of ''Walsh Canyon,'' ca. o.5 miles from junction with Lindel (aka Stovepipe) Road, on southwest facing slope just above old Melia azedarach and across from driveway leading t 549 Comment
  UCR147729  Encelia farinosa Steve Boyd, Tammy Morgan 2004-3-30 10709 San Bernardino Central Mojave Desert, S end of the Cady Mountains, NW of Ludlow (N of Interstate 40) about hill topped with communication towers 854 Comment
  UCR147746  Encelia farinosa Steve Boyd, Et al. 2004-5-14 11255 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  SD215400  Encelia farinosa var. farinosa Steve Boyd, Lauren Raz 1997-3-4 9155 Los Angeles Liebre Mountains region, southern base of the Sierra Pelona Ridge, Crown Valley just northwest of Governor Mine, ca. 0.8 mile north of Sierra Highway along Crown Valley Road. 988 Comment
  RSA560358  Encelia frutescens Steve Boyd, Carol Boyd, K. A. Boyd 1992-4-19 6915 Riverside N end of the Granite Mtns on sandy bajada along powerline road near jtn of Hwy 177 and Hwy 62. Area of transition between Mojave and Colorado Deserts. Comment
  RSA725378  Encelia frutescens Steve Boyd 2007-10-31 11804 San Bernardino Central portion of Bristol Mountains, west of Kelbaker Road, south of Interstate 40, pass at crest of the range along gas pipeline road, just west of Orange Blossom Wash. 793 Comment
  CHSC109282  Ephedra californica Steve Boyd; T. Morgan, A. Virgen, S. DeGroot, V. Arvizu 2004-5-14 11260 Imperial Colorado Desert: Chocolate-Chuckwalla Mountains region: Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  UCR89635  Ephedra funerea Steve Boyd, T. S. Ross, W. Appleby 1993-3-18 7775 San Bernardino Northeastern Mojave Desert, northern base of the Avawatz Range at the mouth of Sheep Creek Springs Canyon, about old mining camp at Sheep Creek Spring 600 Comment
  UC1929705  Ephedra nevadensis Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10502 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; West side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains Comment
  UCR147671  Ephedra nevadensis Steve Boyd, Tammy Morgan 2004-3-30 10701 San Bernardino Central Mojave Desert, S end of the Cady Mountains, NW of Ludlow (N of Interstate 40) about hill topped with communication towers 854 Comment
  UCR264747  Ephedra nevadensis var. nevadensis Steve Boyd, Gary D. Wallace 2011-4-14 12314 A Los Angeles Transverse Ranges; Liebre / San Gabriel Mountains region, Acton Wash ca. 3 km east of junction of Soledad Canyon Road and Crown Valley Road. 829 Comment
  RSA561423  Epilobium canum subsp. angustifolium Steve Boyd, T. S. Ross, Dave Bramlet 1992-9-9 7686 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek., Up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  UCR21167  Epilobium canum subsp. canum Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  LA106626  Epilobium canum subsp. garrettii Steve Boyd; 1990-10-4 5240 San Bernardino New York Mountains, upper part of Carruther's Canyon, below Giant Ledge Mine Comment
  SD153002  Epipactis gigantea Steve Boyd, Tim Ross, Dave Bramlet 1993-5-12 7315 Riverside Southern Santa Ana Mtns, San Mateo Cyn Wilderness Area, San Mateo Cyn, along stream & adjacent benches & lower slopes from confluence w/Los Alamos Cyn downstream to confluence with Tenaja Cyn. Local amoung boulders and moist gravel bars along stream. 366 Comment
  RSA603676  Equisetum telmateia var. braunii Steve Boyd 1997-9-17 10042 Los Angeles Liebre Mountains Region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 854 Comment
  UCR77742  Eremalche exilis Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6032 Riverside Vail Lake, SW and W flanks of Billy Goat Mtn. 3 mi north of Hwy 79, 1 mi west of Hwy 371, north of Aguanga 880 Comment
  RSA485376  Eremalche rotundifolia Steve Boyd, C. Boyd 1987-4-12 2012 Inyo South end of Greenwater Valley, 0.3 miles NW of jtn w/ HWY 178, 2 mi. W of Shoshone. Comment
  RSA516914  Eremalche rotundifolia Steve Boyd, Orlando Mistretta 1986-3-13 1458 Riverside West side Palen Mts.: NE of Desert Center. Comment
  RSA570726  Eremocarpus setiger Steve Boyd, T. S. Ross, J. Travis Columbus 1993-10-23 8194 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Morrell Canyon along Morgan Trail (5W02). 878 Comment
  RSA594646  Eremocarpus setiger Steve Boyd, Lauren Raz 1996-10-29 9109 Los Angeles Liebre Mountains region, Atmore Meadows area at the southeastern end of Liebre Mountain in a tributary drainage to the North Fork Fish Canyon. 1317 Comment
  CAS-BOT-BC174384  Eremogone macradenia var. arcuifolia Steve Boyd; Timothy S. Ross; Laura Moore; Valerie Soza 1997-7-8 10010 Los Angeles Liebre Mountains Region: Western summit of Liebre Mountain, a distinctive, rounded knoll south of head of Cold Canyon 1706 Comment
  RSA0034378  Eremogone macradenia var. arcuifolia Steve Boyd, Timothy S. Ross, Laura Moore, Valerie Soza 1997-7-8 10009 F Los Angeles Liebre Mountains region: Southeastern flank of Liebre Mountain, along ridge dividing Fish Canyon and Bear Canyon drainages, northeast of Atmore meadows, along rough dirt track following old fuelbreak. 1524 Comment
  RSA0013741  Eriastrum densifolium subsp. austromontanum Steve Boyd, Valentin Arvizu 2008-8-21 12021 Kern Piute Mountains, along Piute Mountain Road west of junction with Kelso Valley Road (Sageland historical marker), north of St. John Ridge. 1570 Comment
  UCR59520  Eriastrum densifolium subsp. densifolium Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3610 Riverside Butterfield Valley, Vail Lake area, Kolb Creek drainage, N extension of Woodchuck Road, north of Hwy 79 489 Comment
  UCR108369  Eriastrum diffusum Steve Boyd, Kent Hughes 1998-4-28 10211 Kern Southern Sierra Nevada, Piute Range, Jawbone Canyon. southeast of confluence with Hoffman Canyon, north base of Chuckwalla Mountain 866 Comment
  UCR98750  Eriastrum filifolium Steve Boyd, Lauren Raz 1997-5-6 9706 Los Angeles Liebre Mountains, San Francisquito Canyon, W side of canyon at E edge of Red Mtn ridge system, just north of confluence with Bee Canyon and 1.5 road mi. south of the Clearwater Canyon Truck Trail (6N24). 732 Comment
  RSA0103478  Eriastrum rosamondense Steve Boyd, Kent Hughes 1998-5-5 10189 Los Angeles Antelope Valley, along Highway 138 (West Avenue D), west of the junction with Highway 14, at intersection with 140th Street, ca. 4 miles southwest of Rosamond Dry Lake. 701 Comment
  RSA0121572  Eriastrum sapphirinum subsp. dasyanthum Steve Boyd, Valerie Soza 2004-6-22 11546 Riverside Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along forest service road 5N13 near 5N06. 1463 Comment
  UCR151171  Ericameria laricifolia Steve Boyd, Et al. 2004-10-13 11588 San Bernardino Eastern Mojave Desert, [SE] end of the Mescal Mtns, south of Clark Mountain and Interstate 15, [SE] of Mountain Pass 1600 Comment
  RSA500085  Ericameria linearifolia Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3227 Riverside Vail Lake area: Between Kolb Creek and Temecula Creek, forming peninsula at SW end of lake. Comment
  RSA600037  Ericameria linearifolia Steve Boyd, Lauren Raz 1997-3-25 9257 Los Angeles Liebre Mountains region, extreme NW corner of the range in Peace Valley, small side canyon just east of Interstate 5 off Copco Road. 951 Comment
  SD136922  Ericameria parishii var. parishii Steve Boyd, Darin Banks 1994-9-8 8329 San Diego Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area of the Cleveland National Forest. 790 Comment
  UC1605380  Ericameria parishii var. parishii Steve Boyd and Darin Banks 1994-9-8 8329 Riverside ridge top on nw flank Margarita Peak (near junction of Forest Service Rds 8S01 and 8S01A); Southern Santa Ana Mountains, Cleveland N.F., San Mateo Cany 762 Comment
  RSA701757  Ericameria pinifolia Steve Boyd, LeRoy Gross 2004-5-4 11085 San Diego Hills north of Warner Springs, north Indian Flats Campground of Cleveland National Forest along Road 9S05. 899 Comment
  RSA525419  Erigeron foliosus Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4527 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
  RSA777166  Erigeron foliosus var. foliosus Steve Boyd, Valerie L. Soza 2004-6-22 11548 Riverside Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along forest service road 5N13 near 5N06. 1463 Comment
  RSA561133  Erigeron foliosus var. stenophyllus Steve Boyd, Timothy S. Ross 1992-5-6 7303 San Diego Southern Santa Ana Mts., San Mateo Canyon Wilderness Area. Southern flank of Miller Mt. about upper portions of 'Miller's Canyon'. The major drainage on the southern flank of the Mt. 701 Comment
  RSA561092  Eriodictyon crassifolium Steve Boyd 1992-4-21 6989 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Northwestern summit and slopes of Miller Mountain. 792 Comment
  SBBG119212  Eriodictyon trichocalyx var. lanatum S. Boyd with L. Rojas 2004-5-26 11364 San Diego In-Ko-Pah Mts, W flank of Thing Valley, NE of BM Posta, along forest service rd 1463 Comment
  RSA596990  Eriogonum baileyi var. baileyi Steve Boyd, Lauren Raz 1996-9-24 8964 Los Angeles Liebre Mountains, western end of Liebre Mountain just north of Forest Service Road 7N23 on broadly rounded summit area at divide between Cold Canyon and Tentrock Canyon. 1616 Comment
  SD230259  Eriogonum baileyi var. baileyi Steve Boyd 1997-9-10 10032 Los Angeles Liebre Mountains Region: High point of Liebre Mountain near old radio tower site, at divide between Horse Camp Canyon and Castaic Creek watershed. 1743 Comment
  RSA600142  Eriogonum cithariforme var. agninum Steve Boyd, Lauren Raz 1997-5-29 9923 Los Angeles Liebre Mountains region: Portal Ridge, north of the San Andreas Rift Zone, in the Cow Spring drainage along the Pacific Crest Trail, at point where trail crosses side drainage originating on ridge forming divide with Gookins Dry Lake. 1098 Comment
  SD193054  Eriogonum cithariforme var. agninum Steve Boyd, Valentin Arvizu 2004-6-8 11498 Ventura Mount Pinos region: Topa Topa Mountains, Tar Creek, east of its confluence with Sespe Canyon near point where stream is crossed by Tar Creek Road trail. 609 Comment
  UC1930187  Eriogonum cithariforme var. agninum Steve Boyd, Valentin Arvizu 2004-6-8 11498 Ventura Transverse Ranges; Mount Pinos region; Topa Topa Mountains, Tar Creek, east of its confluence with Sespe Canyon near point where stream is crossed by Tar Creek Road trail. 610 Comment
  UCR199847  Eriogonum cithariforme var. agninum Steve Boyd, Valentin Arvizu 2004-6-8 11498 Ventura Transverse Ranges; Mount Pinos region, Topa Topa Mountains, Tar Creek, east of its confluence with Sespe Canyon near point where stream is crossed by Tar Creek Road trail 610 Comment
  RSA777151  Eriogonum davidsonii Steve Boyd, Valentin Arvizu 2008-8-20 12012 Kern Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley. 1349 Comment
  RSA0042149  Eriogonum deflexum Steve Boyd, Sula E. Vanderplank, Valentin Arvizu 2004-10-13 11573 San Bernardino East Mojave Desert Region: Northern end of the Mescal Mountains, south of the Clark Mountains and Interstate 15, east of Mountain Pass. Comment
  UCR151228  Eriogonum deflexum Steve Boyd, Et al. 2004-10-13 11573 San Bernardino Eastern Mojave Desert, [SE] end of the Mescal Mtns, south of Clark Mountain and Interstate 15, [SE] of Mountain Pass 1600 Comment
  RSA777146  Eriogonum deflexum var. baratum Steve Boyd, Valentin Arvizu 2008-8-21 12022 Kern Piute Mountains, along Piute Mountain Road west of junction with Kelso Valley Road (Sageland historical marker), north of St. John Ridge. 1570 Comment
  RSA600133  Eriogonum fasciculatum var. polifolium Steve Boyd, Lauren Raz 1997-5-28 9833 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 866 Comment
  SD136784  Eriogonum fasciculatum var. polifolium Steve Boyd, Tim Ross 1992-6-9 7601 San Diego Southern Santa Ana Mountains, San Mateo Wilderness Area. Upper southern flank of Miller Mountain to the west of Miller Canyon, the principal drainage on the southern flank of the mountain 671 Comment
  UCR107227  Eriogonum gracile Steve Boyd, L. Arnseth, T. S. Ross 1989-6-10 3660 Riverside Vail Lake area, Temecula Creek Canyon below the dam 459 Comment
  RSA561411  Eriogonum gracile var. gracile Steve Boyd, Tim S. Ross, Dave Bramlet 1992-9-9 7682 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek,, up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  SBBG105037  Eriogonum hastatum S. Boyd, T. Ross, L. Arnseth, D. Nordin, D. Charlton 1988-7-17 2639 Unknown Sierra San Pedro Martir, along crest of range, saddle valley at SW end of Cerro Venado Blanco Comment
  CAS-BOT-BC252307  Eriogonum heermannii var. heermannii Steve Boyd; Andrew C. Sanders; R. T. Hawke; Shaun Hawke; Susan Hobbs; Paul Hobbs 1997-4-20 9553 Kern San Emigdio Range: Pleito Hills region, San Emigdio Ranch, ridge on west side of Pleito Canyon, approximately 4.5 air miles due north of Antimony Peak 1219 Comment
  RSA599564  Eriogonum heermannii var. heermannii Steve Boyd, A. C. Sanders, R. T. Hawke, Shaun Hawke, Susan Hobbs, Paul Hobbs 1997-4-20 9553 Kern San Emigdio Range: Pleito Hills region, San Emigdio Ranch, ridge on west side of Pleito Canyon, approximately 4.5 air miles due north of Antimony Peak. 1098 Comment
  UCR99356  Eriogonum heermannii var. heermannii Steve Boyd, A. C. Sanders, R. T. Hawke, S. Hawke, S. Hobbs, P. Hobbs 1997-4-20 9553 Kern San Emigdio Range, Pleito Hills, San Emigdio Ranch, ridge on W side of Pleito Canyon, c. 4.5 air mi due north of Antimony Peak 1220 Comment
  RSA518152  Eriogonum microtheca var. rigidum Steve Boyd 1990-10-4 5248 San Bernardino New York Mountains, Eastern Mojave Desert. Upper part of Carruther's Canyon. Comment
  RSA517963  Eriogonum nidularium Steve Boyd 1990-10-4 5197 San Bernardino Pass between Vontrigger Hills and Hackberry Mountains, E side of Lanfair Rd., 11 miles N of jct. with Goffs Rd. Comment
  RSA689661  Eriogonum nudum Steve Boyd, Michael Denslow, Amber Maurice, Sarah Swartzentruber, Aydee Virgen 2003-6-27 10527 Tulare Chimney Peak Recreation Area, summit of northern high point on Bear Mountain (Bear Peak). 2509 Comment
  UCR17551  Eriogonum nudum var. auriculatum Steve Boyd 1979-11-24 791124- 01 Alameda San Francisco Bay Region, Coyote Hills Regional Park, next to picnic area 61 Comment
  RSA614552  Eriogonum nudum var. westonii Steve Boyd, Kent Hughes 1998-4-28 10209 Kern Southern Sierra Nevada, Piute Range: Jawbone Canyon, southeast of confluence with Hoffman Canyon, north base of Chuckwalla Mountain. 823 Comment
  UCR200805  Eriogonum nudum var. westonii Steve Boyd, Valentin Arvizu 2008-5-1 11981 Kern Southern Sierra Nevada Range, Piute Mountains, along Piute Mountain Road west of junctin with Kelso Valley Road (Sageland historical marker), north of St. John Ridge 1555 Comment
  UCR204093  Eriogonum nudum var. westonii Steve Boyd, Michael Denslow, Amber Maurice, Sarah Swartzentruber, Aydee Virgen 2003-6-27 10564 Tulare Southern Sierra Nevada Range, Chimney Peak Recreation Area, summit of northern high point on Bear Mountain (Bear Peak) 2509 Comment
  UCR95308  Eriogonum ordii Steve Boyd, Orlando Mistretta 1996-5-1 8742 Los Angeles San Gabriel Mtns, Liebre Mountains, rugged hills east of Bouquet Canyon, northeast of Cruzan Mesa and south of Vasquez Canyon, along Vasquez Canyon Road, c. 1.1 miles east of the junction with Bouquet Canyon Road 512 Comment
  RSA621920  Eriogonum ovalifolium var. vineum Steve Boyd, Valerie Soza, Kazuyuki Kashiwase 1998-7-1 10247 B San Bernardino San Bernardino Mountains: North base of Blackhawk Mountain, southwest of Round Mountain, just west of mouth of Grapevine Canyon, near area of intensive mining. 1463 Comment
  UCR39588  Eriogonum parishii Steve Boyd 1983-7-25 s.n. San Bernardino San Bernardino Mtns, Near Onyx Summit at Cienaga Seca, west of Hwy 38 2500 Comment
  CHSC109270  Eriogonum reniforme Steve Boyd; T. Morgan, A. Virgen, DeGroot, Arvizu, Thibault 2004-5-14 11294 Imperial Colorado Desert; Chocolate-Chuckwalla Mountains region: Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.s. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  UCR200777  Eriogonum reniforme Steve Boyd, LeRoy Gross 2008-4-11 11843 Inyo North Mojave Desert, Southwestern base of Dublin Hills at eastern edge of lower Greenwater Valley, west of Shoshone, bajada east of Furnace Creek Wash Road, north and east to lowest rocky slopes and outlying hills 700 Comment
  UCR17627  Eriogonum rixfordii Steve Boyd 1979-12-11 01 Inyo Rim Ubehebe Crater in Death Valley Nat. Monument 792 Comment
  RSA593427  Eriogonum roseum Steve Boyd, Mark A. Elvin, Victoria Jotikasthira 1996-6-25 8886 Los Angeles Liebre Mountains, along summit of Sawmill Mountain, west of Sawmill Camp and just north of 7N23. 1610 Comment
  CAS-BOT-BC267570  Eriogonum saxatile Steve Boyd; Dave Bramlet 1986-6-9 1909 Tulare Chimney Creek Cyn., S. flank peak 7155, S. of Chimney Meadow, Southern Sierra Nevada Mtns. 1981 Comment
  RSA517830  Eriogonum thomasii Steve Boyd, Orlando Mistretta 1986-3-13 1450 Riverside West side Palen Mts.: NE of Desert Center. Comment
  UC1595607  Eriogonum thurberi Steve Boyd, Orlando Mistretta 1991-5-22 6292 Riverside e Dorland Mt. (w of Kolb Crk., base of Agua Tibia Mtn.); Vail Lake area, Agua Tibia Mtn. 548 Comment
  CAS-BOT-BC262926  Eriogonum trichopes Steve Boyd; LeRoy Gross 2008-4-11 11842 Inyo Mojave Desert; North Mojave Desert region: Southwestern base of Dublin Hills at eastern edge of lower Greenwater Valley, west of Shoshone, bajada east of Furnace Creek Wash Road, north and east to lowest rocky slopes and outlying hills 700 Comment
  SD231419  Eriogonum trichopes Steve Boyd, Leroy Gross 2008-4-11 11842 Inyo Mojave Desert; North Mojave Desert region: Southwestern base of Dublin Hills at eastern edge of lower Greenwater Valley, wes of Shoshone, bajada east of Furnace Creek Wash Road, north and east to lowest rocky slopes and outlying hills. 580 Comment
  UCR39564  Eriogonum umbellatum var. munzii Steve Boyd 1983-7-25 s.n. San Bernardino San Bernardino Mtns, Near Onyx Summit at Cienaga Seca, west of Hwy 38 2500 Comment
  HSC85328  Eriogonum wrightii var. membranaceum Steve Boyd 1985-12-24 1196 Riverside Gavilan Plateau, Gavilan Hills. south of Ida Leona Road 604 Comment
  RSA520083  Eriogonum wrightii var. membranaceum Steve Boyd, Dave Bramlet 1988-10-8 2866 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  RSA515492  Eriogonum wrightii var. trachygonum Steve Boyd, Dave Bramlet 1986-6-9 1897 Tulare Chimney Creek Canyon, side canyon south of peak 7155, S of Chimney Meadow. 1738 Comment
  UCR17626  Erioneuron pulchellum Steve Boyd 1979-12-10 791210- 04 Inyo Northern Mojave Desert, west mouth of Titus Canyon in Death Vallley National Monument 305 Comment
  UCR51850  Eriophyllum ambiguum Steve Boyd, C. Boyd 1987-4-12 2021 Inyo Northern Mojave Desert, S end of Greenwater Valley, 0.3 mile NW of junction with Hwy 178, 2 miles west of Shoshone 649 Comment
  RSA570366  Eriophyllum ambiguum var. paleaceum Steve Boyd 1993-3-18 7785 San Bernardino Southern base of the Avawatz Range at the mouth of Sheep Creek Springs Canyon about old mining camp at Sheep Creek Spring. 600 Comment
  RSA527787  Eriophyllum confertiflorum Steve Boyd 1990-4-8 4353 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  SEINET7838287  Eriophyllum confertiflorum Steve Boyd, Maurice, Amber 2004-5-18 11316 Los Angeles Transverse Ranges. Liebre Mountains. On road leading down towards Atmore Meadows. Main road on crest of Liebre Mountain at crossing of spring outflow. Comment
  UC1719675  Eriophyllum confertiflorum Steve Boyd, Amber Maurice 2004-5-18 11316 Los Angeles Transverse Ranges; Liebre Mountains region: on road leading down towards Atmore Meadows area from main road on crest of Liebre Mountian, at crossing of spring outflow 1437 Comment
  UCR68846  Eriophyllum confertiflorum Steve Boyd, T. S. Ross, L. Arnseth 1990-4-6 4159 Los Angeles Channel Islands, San Clemente Island, Lemon Tank Canyon, E side of island 274 Comment
  SBBG96664  Eriophyllum confertiflorum var. confertiflorum S. Boyd with T. Ross, L. Arnseth 1990-4-7 4244 Los Angeles lower half of China Cyn Comment
  UC1719665  Eriophyllum confertiflorum var. confertiflorum Steve Boyd, Aydee Virgen 2004-4-13 10869 Riverside Peninsular Ranges; Santa Ana Mountains region; San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  RSA725152  Eriophyllum lanosum Steve Boyd 2007-10-29 11789 San Bernardino Brown Buttes area at northwestern end of Marble Mountains, on road to microwave towers east of Kelbaker Road, just south of Interstate 40. 915 Comment
  CAS-BOT-BC301797  Eriophyllum multicaule Steve Boyd 1986-4-22 1741 Riverside Temescal Canyon: Benches of Indian Wash just south of Interstate 15 Comment
  UCR22094  Eriophyllum multicaule Steve Boyd 1980-4-13 131 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  RSA517861  Eriophyllum pringlei Steve Boyd 1986-3-30 1517 Los Angeles Mojave Desert: Highway 18, 0.5 miles east of junction with Hwy 138, NE of Pinyon Hills. Comment
  RSA570259  Eriophyllum wallacei Steve Boyd, Timothy S. Ross, W. Appleby 1993-3-19 7845 San Bernardino North base of Old Women Mountains, south of Essex, eastern Mojave Desert; Honeymoon Wash along Willow Springs road, 0.5 miles west of Sunflower Springs Road ('Cross-fire Camp'). 1000 Comment
  RSA526144  Erodium botrys Steve Boyd, T. S. Ross, L. Arnseth 1990-4-6 4138 Los Angeles San Clemente Island: Stone House field station on E side of island, headland between Stone & Burns Canyons. 457 Comment
  UC1871084  Erodium brachycarpum Steve Boyd, Walter Appleby 1993-4-8 7926 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Devil Canyon from road 8S01 downstream to vicinity of Mud Spring. 655 Comment
  UCR151704  Erodium brachycarpum Steve Boyd, Heidi Bigelow 2004-4-5 10814 San Diego Peninsular Ranges/ Cuyamaca-Laguna Mtns region, Pine Hills area, between Magee Flat and Deadman Flat along Eagle Peak Road Comment
  RSA543586  Erodium brachycarpum Steve Boyd 1991-5-6 6138 Riverside Santa Ana Mountains, S side of Elsinore Peak. 1037 Comment
  RSA592775  Erodium cicutarium Steve Boyd, Mike Wall 1996-4-4 8538 Los Angeles Liebre Mountains, ridgeline and adjacent slopes of side canyon to Charlie Canyon, west of San Francisquito Canyon off Angeles National Forest Road 5N17, ca 1.4 road miles south of jtn with 5N16. 488 Comment
  RSA599458  Erodium cicutarium Steve Boyd, Lauren Raz, T. S. Ross 1997-4-1 9499 Los Angeles Liebre Mountains region: Upper watershed of Osito Canyon between Interstate 5 and the Old Ridge Route, vicinity of Osito Flat , a distinctive, open grassy break in slope under the high tension power lines. 793 Comment
  RSA731053  Erodium cicutarium Steve Boyd, LeRoy Gross 2008-4-11 11893 Inyo Southwestern base of Dublin Hills at eastern edge of lower Greenwater Valley, west of Shoshone, bajada east of Furnace Creek Wash Road, north and east to lowest rocky slopes and outlying hills. 580 Comment
  UCR151967  Erodium cicutarium Steve Boyd, Tammy Morgan 2004-3-30 10757 San Bernardino Central Mojave Desert, Pisgah lava beds just south of old Route 66 and I-40, west of Ludlow and 7.8 mi east of Fort Cady Road 600 Comment
  UCR21910  Erodium cicutarium Steve Boyd 1980-5-2 162 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR148512  Erodium texanum Steve Boyd, Tammy Morgan 2004-3-30 10697 San Bernardino Central Mojave Desert, S end of the Cady Mountains, NW of Ludlow (N of Interstate 40) about hill topped with communication towers 854 Comment
  UCR148520  Erodium texanum Steve Boyd, Michael Denslow 2004-3-23 10590 San Bernardino Central Mojave Desert, Lavic Mountain, southern end of the Cady Mountains northwest of Ludlow (north of Interstate 40) along powerline/pipeline access road Comment
  UCR120626  Erysimum capitatum Steve Boyd, K. A. Boyd, C. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2265 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  UCR147685  Erysimum capitatum Steve Boyd, LeRoy Gross 2004-5-4 11140 San Diego Peninsular Ranges; Anza Bench region, hills north of Warner Springs, north Indian Flats Campground of Cleveland National Forest along Road 9S05 899 Comment
  RSA600171  Erysimum capitatum var. capitatum Steve Boyd, Lauren Raz 1997-5-1 9663 Los Angeles Liebre Mountains Region: Sierra Pelona ridgeline, about 1.5 miles west of Mt. McDill and 1.3 miles south-southeast of Lincoln Crest, the head of Bouquet Canyon. 1463 Comment
  CAS-BOT-BC9649  Erythranthe discolor S. Boyd; Dave Bramlet 1986-6-9 1853 Tulare Southern Sierra Mountains. Chimney Creek Canyon, side canyon So. Peak 7155 south of Chimney Creek Meadow Comment
  SD217385  Erythranthe floribunda Steve Boyd, Tim Ross and Laurel Arnseth 1990-4-8 4291 Los Angeles San Clemente Island. East side of island, near Malo Point, first canyon south of Bryce Canyon. Comment
  SD136748  Erythranthe guttata Steve Boyd, Tim Ross 1992-5-5 7253 Riverside San mateo Canyon Wilderness Area. Oak Flats along Serrano Spring drainage between Lucas Canyon Trail and junction of Bluewater and Verdugo Trails 730 Comment
  SD152745  Erythranthe palmeri Steve Boyd, Tim Ross, Dave Bramlet 1993-5-12 7349 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream from conflunence with Los Alamos Canyon downstream to confluence with Tenaja Canyon 366 Comment
  RSA479520  Eschscholzia caespitosa subsp. caespitosa Steve Boyd, T. S. Elias 1987-4-14 2059 Los Angeles Ridge between Pine Mountain and Silver Mountain, S of Rincon - Red Box Rd., N of Glendora. Comment
  RSA495823  Eschscholzia californica Steve Boyd, Tim S. Ross, L. Arnseth 1989-3-12 2934 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA523479  Eschscholzia californica Steve Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3939 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  UCR218432  Eschscholzia glyptosperma Steve Boyd 2010-4-18 12244 Inyo Mojave Desert; North Mojave Desert region, Northwest base of Dublin Hills, south of Hwy 178, northwest of Shoshone 671 Comment
  RSA678883  Eschscholzia minutiflora Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10453 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UCR147728  Eschscholzia minutiflora Steve Boyd, Tammy Morgan 2004-3-30 10727 San Bernardino Central Mojave Desert, S end of the Cady Mountains, NW of Ludlow (N of Interstate 40); lower slopes and wash at base of hill topped with communication towers, along powerline road 854 Comment
  RSA670060  Eschscholzia minutiflora subsp. covillei R. S. Boyd, Carter 1978-3-17 s.n. San Bernardino Barstow. Comment
  UCR51967  Eschscholzia parishii Steve Boyd, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2176 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  RSA0012609  Eucalyptus globulus Steve Boyd, Rick Riefner 2007-1-16 11710 San Diego Solana Beach, southern shore of San Elijo Lagoon between Highway 5 and Pacific Coast Highway. 0 Comment
  HSC85458  Eucrypta chrysanthemifolia Steve Boyd 1986-4-2 1602 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA501056  Eucrypta chrysanthemifolia Steve Boyd, Tim Ross, L. Arnseth 1989-4-1 3173 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA522740  Eucrypta chrysanthemifolia Steve Boyd, Tim Ross, L. Arnseth 1990-3-29 3847 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  RSA524477  Eucrypta chrysanthemifolia Steve Boyd, Tim Ross, L. Arnseth, J. Bonilla 1990-4-2 4040 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  SD136824  Eucrypta chrysanthemifolia Steve Boyd 1992-4-14 6829 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western flank of Bluewater Canyon along Bluewater Trail. 341 Comment
  RSA701414  Eucrypta chrysanthemifolia var. bipinnatifida Steve Boyd, Tammy Morgan 2004-3-30 10716 San Bernardino Southern end of the Cady Mountains northwest of Ludlow (north of Interstate 40) about hill topped with communication towers. 1006 Comment
  RSA599847  Eucrypta chrysanthemifolia var. chrysanthemifolia Steve Boyd, Lauren Raz 1997-5-6 9763 Los Angeles Liebre Mountains region: Fish Canyon just upstream from the confluence with Castaic Creek. 500 Comment
  UC1928661  Eucrypta chrysanthemifolia var. chrysanthemifolia Steve Boyd, Tammy Morgan 2004-5-11 11199 Ventura Transverse Ranges; Mount Pinos region: Topa Topa Mountains, E of Sespe Canyon near upper end of Tar Creek Road (and trail) Comment
  UCR225185  Eucrypta chrysanthemifolia var. chrysanthemifolia Steve Boyd, Susan Jett 2008-3-20 11834 Riverside Peninsular Ranges; Santa Ana Mountains region, Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Hiway Vehicle Area. Comment
  RSA701254  Euphorbia albomarginata Steve Boyd, Naomi Fraga 2004-4-27 10947 San Diego Warner Springs area, rolling terrain near the Pacific Crest Trail, south of Highway 79 and west of the Warner Springs resort. 898 Comment
  UCR21879  Euphorbia incisa Steve Boyd 1980-5-24 s.n. Inyo Northern Mojave Desert, Panamint Mountains, Surprise Canyon at Limekiln Spring 1204 Comment
  HSC87210  Euphorbia lathyris Steve Boyd 1986-7-19 1960 Alameda Fremont, Niles Creek flood channel, 0.5 mi. down stream of Decoto Rd. Comment
  RSA543151  Euphorbia melanadenia Steve Boyd 1991-3-17 5516 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  SBBG55058  Euphorbia misera S. Boyd 1980-3-24 BC 045 Unknown 10 mi S of El Rosario off Mex 1 Comment
  RSA701157  Euphorbia polycarpa Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11259 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  UCR148380  Euphorbia polycarpa Steve Boyd, Michael Denslow 2004-3-23 10616 San Bernardino Central Mojave Desert, Lavic Mountain, southern end of the Cady Mountains northwest of Ludlow (north of Interstate 40) along powerline/pipeline access road Comment
  UCR48455  Euphorbia setiloba Steve Boyd 1986-2-6 1244 Imperial Sonoran (Colorado) Desert, Cargo Muchacho Mountains, large canyon at SE end of mountains, 5.4 miles NE of Interstate Hwy 8, off Sidewinder Road and powerline road 183 Comment
  RSA524414  Euphorbia spathulata Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4106 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  RSA559930  Euphorbia spathulata Steve Boyd 1992-4-18 6899 Riverside Paloma Valley, between Sun City and Murrieta, E of Hwy I-215. Rolling Hills just SW of Jtn Briggs Rd and Scott Rd. Comment
  UCR225172  Fagonia laevis Steve Boyd 2007-10-31 11803 San Bernardino Mojave Desert; East Mojave Desert region, Central portion of Bristol Mountains, west of Kelbaker Road, south of Interstate 40, pass at crest of the range along gas pipeline road, just west of Orange Blossom Wash. 915 Comment
  CHSC103495  Fagonia pachyacantha Steve Boyd; Tammy Morgan, Aydee Virgen, Sarah DeGroot 2004-5-14 11237 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  UCR200289  Fagonia pachyacantha Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11237 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  UCR186788  Festuca kingii Steve Boyd, Pesach Lubinsky 1998-8-10 10266 San Bernardino San Bernardino Mountains, NW flank of Sugarlump (a.k.a. Bear Mountain), head of Deer Canyon 2585 Comment
  UCR60250  Festuca microstachys Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3012 Riverside Peninsular Range, Vail Lake area, dried bed of man-made pond and adjacent slopes at N base of rounded knob 1.25 mi WSW of dam 610 Comment
  UCR68867  Festuca microstachys Steve Boyd, T. S. Ross 1990-5-11 4700 Riverside Vail Lake area, Cleveland National Forest, N flank and summit of Wild Horse Peak, Agua Tibia Mtns 999 Comment
  UCR93057  Festuca microstachys Steve Boyd 1986-4-2 1628 B Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  SBBG101678  Festuca microstachys var. pauciflora S. Boyd with Mistretta 1991-5-9 6193 Orange Oak Flat, SE of Sierra Pk, just W of Riverside County line 792 Comment
  UCR22152  Festuca octoflora Steve Boyd 1980-5-11 226 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  RSA682167  Filago arizonica Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10482 -B Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  RSA485352  Filago californica Steve Boyd, Thomas Elias 1987-4-14 2038 Los Angeles Rincon - Red Box Rd. S. of Rincon Forest Station, N. of Glendora Comment
  RSA525259  Filago californica Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4572 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 548 Comment
  RSA543980  Filago californica Steve Boyd 1991-5-10 6212 Riverside Santa Ana Mountains, base of range, just N of mouth of Hagador Cyn at bottom of Skyline Drive. 427 Comment
  RSA599778  Filago californica Steve Boyd, Lauren Raz 1997-3-25 9272 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain, flats and slopes just northeast of ranch compound. 976 Comment
  RSA562555  Filago gallica Steve Boyd, Orlando Mistetta 1993-5-11 8126 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Western edge of Forest on ridge dividing Whitney Canyon and Placerita Canyon 488 Comment
  RSA701789  Filago gallica Steve Boyd, Heidi Bigelow 2004-4-5 10776 San Diego Foothills area near Mesa Grande about Wash Tub Falls in Black Canyon, east of Black Mountain, ca. 6 miles south of junction of Mesa Grande Rd. along Black Canyon Rd. Comment
  UCR22160  Filago gallica Steve Boyd 1980-6-2 309 Riverside Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau 640 Comment
  OBI37638  Foeniculum vulgare Steve Boyd 1985-7-30 1053 San Diego Lower Cottonwoodl Cyn, near its confluence with De Luz crk Comment
  RSA561429  Foeniculum vulgare Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-10-2 7702 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Southwestern edge of the wilderness and adjacent Camp Pendleton on lower San Mateo Canyon, at the confluence with Devil Canyon 128 Comment
  UCR21171  Forestiera pubescens Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  SEINET12901573 Image available Frangula californica S. D. Boyd 1996-1 8962 Unknown Comment
  OBI66300  Frangula californica subsp. californica Steve Boyd, Amber Maurice 2004-5-18 11309 Los Angeles Tranverse Ranges; Liebre Mts region: Atmore MEadows area Comment
  SBBG101696  Frankenia salina S. Boyd, T. Ross 1991-6-14 6381 Riverside Warm Springs Crk at the NE end of Hogbacks Ridge, from Alamos Rd, S to confluence with Adobe Spring tributary, 2-3 mi NW of Murrieta Hot Springs Comment
  RSA700976  Fraxinus velutina Steve Boyd, LeRoy Gross 2004-5-4 11143 San Diego Hills north of Warner Springs, north Indian Flats Campground of Cleveland National Forest along Road 9S05. 899 Comment
  RSA515491  Fremontodendron californicum Steve D. Boyd, David E. Bramlet 1986-6-9 1896 Tulare Chimney Creek Canyon, side canyon south of peak 7155, S of Chimney Meadow. 1738 Comment
  RSA485413  Fremontodendron mexicanum Steve D. Boyd, Walter Wisura, R. M. Beauchamp, F. Spraul 1986-12-9 1964 San Diego Otay Mountain - Cedar Canyon area Comment
  RSA583470  Gaillardia aristata Steve Boyd, Mark Elvin 1995-8-3 8524 San Diego Guatay Mountain, northwest base of the mountain along old Highway 80, 0.6 mils west of the community of Guatay 1098 Comment
  RSA702032  Galium andrewsii Steve D. Boyd, Amber Maurice 2004-5-18 11311 Los Angeles Atmore Meadows area. Comment
  UCR151353  Galium andrewsii Steve Boyd, Lisa Rojas 2004-5-26 11378 San Diego Cuyamaca-Laguna Mtns, In-Ko-Pah Mtns, western flank of Thing Valley, northeast of transit station Posta, Cleveland National Forest along forest service road 1463 Comment
  RSA571544  Galium andrewsii subsp. intermedium Steve D. Boyd, D. L. Banks, Orlando Mistretta 1994-4-29 8309 Los Angeles Northern slope of the San Gabriel Mountains, Angeles National Forest, side draw on southeastern side of Mt. Emma, Santiago Canyon drainage. 1159 Comment
  RSA593434  Galium andrewsii subsp. intermedium Steve D. Boyd, Mark A. Elvin, Victoria Jotikasthira 1996-6-25 8890 Los Angeles Liebre Mountains, along summit of Sawmill Mountain, west of Sawmill Camp and just north of 7N23. 1610 Comment
  OBI37536  Galium angustifolium Steve Boyd 1985-7-30 1059 San Diego Lower Cottonwood Cyn, near its confluence with De Luz Crk Comment
  RSA507978  Galium angustifolium subsp. angustifolium Steve D. Boyd, Tim S. Ross 1988-4-28 2232 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus, in small side canyon, at head. Angeles National forest. 640 Comment
  RSA544390  Galium angustifolium subsp. angustifolium Steve D. Boyd, Tim S. Ross 1991-6-14 6404 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  RSA599763  Galium aparine Steve D. Boyd, Lauren Raz 1997-5-6 9782 Los Angeles Liebre Mountains region: Fish Canyon just upstream from the confluence with Castaic Creek. 500 Comment
  UCR200799  Galium bolanderi Steve Boyd, Valentin Arvizu 2008-5-1 11967 Kern Southern Sierra Nevada Range, Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley 1463 Comment
  UCR65520  Galium munzii Steve Boyd, D. E. Bramlet 1986-6-9 1915 Tulare Southern Sierra Nevada Mtns., Chimney Creek Canyon, S flank peak 7155 [7125], south of Chimney Meadow 1982 Comment
  UCR138633  Galium parishii Steve Boyd, Pesach Lubinsky 1998-8-10 10262 San Bernardino San Bernardino Mountains, NW flank of Sugarlump (a.k.a. Bear Mountain), head of Deer Canyon 2585 Comment
  UCR39484  Galium parishii Steve Boyd 1983-7-25 s.n. San Bernardino San Bernardino Mtns, Near Onyx Summit at Cienaga Seca, west of Hwy 38 2500 Comment
  RSA562752  Galium parisiense Steve D. Boyd, Tim S. Ross 1992-5-19 7428 Orange Southern Santa Ana Mountains San Mateo Canyon Wilderness Area. Western edge of the wilderness along Lucas Canyon Trail from access road to Rancho Carrillo (7S06) N into Aliso Canyon. 366 Comment
  RSA726155  Galium stellatum var. eremicum Steve D. Boyd, Tammy Morgan 2004-3-30 10702 San Bernardino Southern end of the Cady Mountains northwest of Ludlow (north of Interstate 40) about hill topped with communication towers. 1006 Comment
  RSA527605  Galvezia speciosa Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-4-8 4430 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  CAS-BOT-BC235476  Gambelia speciosa Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-8 4430 Los Angeles San Clemente Island. E side of island, Bryce Cyn near Malo Point Comment
  OBI66312  Garrya flavescens Steve Boyd, Tammy Morgan 2004-6-1 11420 San Bernardino Mojave Desert; E Mojave desert region: Clark Mts, western flank of the range in large cyn S of Pachalka Srping 1800 Comment
  UCR151738  Garrya flavescens Steve Boyd, Tammy Morgan 2004-6-1 11420 San Bernardino Eastern Mojave Desert, Clark Mountain, west flank of the range in large canyon south of Pachalka Spring 1800 Comment
  CAS-BOT-BC144792  Garrya veatchii Steve Boyd; C. Boyd; B. Roy 1986-2-2 1203 San Diego Highway 79 near 'Maggies Place.' Comment
  UC1979648  Garrya veatchii Steve Boyd 1995-4-25 8506 San Diego Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain along the Dripping Springs Trail just south of the Riverside County line in an area of relatively gentle topography. Comment
  UCR91626  Garrya veatchii Steve Boyd 1995-4-25 8506 San Diego Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mtn. along the Dripping Springs Trail just south of the Riverside Co. line in an area of relatively gentle topography 1128 Comment
  RSA689728  Gayophytum diffusum subsp. parviflorum Steve Boyd, Michael Denslow, Amber Maurice, Sarah Swartzentruber, Aydee Virgen 2003-6-27 10511 Tulare Chimney Peak Recreation Area, summit of northern high point on Bear Mountain (Bear Peak). 2509 Comment
  RSA559938  Gazania longiscapa Steve Boyd 1992-4-18 6889 Riverside Buck Mesa, S of Lake Skinner, 1.8 mi E of main entrance rd to lake along Borell Rd. Comment
  RSA480088  Geraea canescens Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Tim Ross 1988-3-10 2177 Riverside Palen Pass at the north end of the Palen Mountains 500 Comment
  UCR147808  Geraea canescens Steve Boyd, Tammy Morgan 2004-3-30 10737 San Bernardino Central Mojave Desert, Pisgah lava beds just south of old Route 66 and I-40, west of Ludlow and 7.8 mi east of Fort Cady Road 600 Comment
  RSA0028461  Geranium dissectum Steve Boyd, Rick Riefner 2007-4-27 11744 Los Angeles City of Carson, northwestern end shore of Harbor Park Lake (formerly known as Bixby Slough), between Pacific Coast Highway and Vermont Avenue. 43 Comment
  HSC65830  Geranium dissectum D. Boyd, M. Eichelberger, Tim Messick, T. Ranker 1980-5-3 76 Tehama 0.5 mi. SSW of BM1797 on Rd. 29N15 610 Comment
  RSA670264  Gilia R. S. Boyd, Carter 1978-3-17 s.n. San Bernardino Barstow. Comment
  RSA535390  Gilia aliquanta subsp. breviloba Steve Boyd, M. Doyle, B. Roy, Sara Meury 1986-4-12 1674 San Bernardino North base of San Bernardino Mountains: Arrowhead Lake road, ca. 2 miles north of Mojave Forks Reservation. Comment
  RSA701578  Gilia angelensis Steve Boyd, Heidi Bigelow 2004-4-5 10831 San Diego Pine Hills area, between Magee Flat and Deadman Flat along Eagle Peak Rd. Comment
  UC1928524  Gilia australis Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10501 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; West side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains Comment
  UCR60262  Gilia australis Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3151 Riverside Peninsular Range, Vail Lake area; hills just to SW of the dam 488 Comment
  RSA731101  Gilia brecciarum Steve Boyd, Valentin Arvizu 2008-5-1 11963 Kern Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley. 1372 Comment
  RSA611666  Gilia brecciarum subsp. neglecta Steve Boyd, Lauren Raz, Mike Kinney 1998-3-17 10097 Los Angeles Liebre Mountains region: Lower Leona Valley, southeastern end of Ritter Ridge and adjacent wash of Amargosa Creek, north of Elizabeth Lake Road. 853 Comment
  RSA515181  Gilia brecciarum subsp. neglecta Steve Boyd, D. E. Bramlet 1986-6-9 1861 Tulare Chimney Creek Canyon side canyon So. Peak 7155 south of Chimney Creek Meadow Comment
  RSA507943  Gilia capitata subsp. abrotanifolia Steve Boyd, C. Boyd, Kyle A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2261 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  RSA525422  Gilia capitata subsp. abrotanifolia Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4530 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  RSA599258  Gilia capitata subsp. abrotanifolia Steve Boyd, Lauren Raz 1997-3-31 9433 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain 914 Comment
  RSA600407  Gilia capitata subsp. abrotanifolia Steve Boyd, Lauren Raz 1997-4-30 9641 Los Angeles Liebre Mountains Region: About the confluence of Bear Canyon and Pine Canyon, between the southern flank of Liebre Mountain and northern flank of Red Rock Mountain, southwest of Gillette Mine. 866 Comment
  SBBG101644  Gilia capitata subsp. abrotanifolia S. Boyd with L. Arnseth, Y. Rasmussen, H. Cota 1990-5-3 4530 Riverside Vail Lake area at jct of Hwy R3 and Powerline Rd, NE of the lake Comment
  UCR51964  Gilia filiformis Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2173 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  UCR39566  Gilia leptantha subsp. leptantha Steve Boyd 1983-7-25 s.n. San Bernardino San Bernardino Mtns, Near Onyx Summit at Cienaga Seca, west of Hwy 38 2500 Comment
  UCR205022  Gilia leptantha subsp. purpusii Steve Boyd, Michael Denslow, Amber Maurice, Sarah Swartzentruber, Aydee Virgen 2003-6-27 10522 Tulare Southern Sierra Nevada Range, Chimney Peak Recreation Area, summit of northern high point on Bear Mountain (Bear Peak) 2509 Comment
  RSA527598  Gilia nevinii Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4425 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  RSA527660  Gilia nevinii Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4381 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  UCR68847  Gilia nevinii Steve Boyd, Orlando Mistretta, L. Arnseth, B. O'Brien, T. Hayduk 1990-4-6 4165 Los Angeles Channel Islands, San Clemente Island, head of Larkspur Canyon, E side of island, south of US Navy site called 'Jack 213 Comment
  RSA0017088  Gilia ochroleuca subsp. exilis Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4016 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UC1595628  Gilia ochroleuca subsp. exilis Steve Boyd and Dave Bramlet 1991-5-13 6254 Riverside ese Winchester (n side of Domenigoni-Diamond Valleys, ridge top of s-end Warren Rd.); Domenigoni Hills, n side Domenigoni-Diamond Valleys 548 Comment
  UCR48345  Gilia ochroleuca subsp. exilis Steve Boyd 1986-4-22 1755 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  CAS-BOT-BC407841  Gilia ochroleuca subsp. ochroleuca Steve Boyd; M. Doyle; B. Roy; S. Meury 1986-4-12 1681 San Bernardino North base of San Bernardino Mountains: Arrowhead Lake Road, ca. 2 mi. N of Mojave Forks Reservation Comment
  HSC87253  Gilia scopulorum Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2186 Riverside NW end McCoy Mtns., NW of Blackjack Mine 400 Comment
  RSA516892  Gilia stellata Steve Boyd, Orlando Mistretta 1986-3-13 1408 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd & 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  SBBG87691  Gilia stellata S. Boyd with S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2111 Riverside N end of Palen Mtns, 2 mi W of Palen Pass, mid-bajada 300 Comment
  RSA0097434  Gilia transmontana Steve Boyd, T. S. Ross, Walter Appleby 1993-3-18 7764 Inyo Resting Spring Range, 4 miles east of Shoshone, upper bajada and lower slopes along western side of range, 1.1 miles SE of Highway 178. 600 Comment
  RSA526490  Githopsis diffusa subsp. robusta Steve Boyd, Timothy S. Ross 1990-5-11 4686 -B Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  UCR68871  Githopsis diffusa subsp. robusta Steve Boyd, T. S. Ross 1990-5-11 4686 B Riverside Peninsular Range, Cleveland National Forest: Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground 610 Comment
  RSA559334  Gnaphalium beneolens Steve Boyd, Tim Ross 1992-5-15 7408 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 670 Comment
  RSA701560  Gnaphalium californicum Steve Boyd, Aydee Virgen 2004-4-13 10845 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UCR91644  Gnaphalium californicum Steve Boyd, D. L. Banks 1995-4-5 8432 Riverside Agua Tibia Mountains, Palomar Range, Agua Tibia Wilderness Area; northern flank of Agua Tibia Mtn. at the E edge of Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary 610 Comment
  RSA526526  Gnaphalium californicum Steve Boyd 1990-4-7 4265 a Los Angeles San Clemente Island, lower half of China Cyn, S end of Island, W side. Comment
  RSA575909  Gnaphalium leucocephalum Steve Boyd 1994-10-14 8385 Riverside Southern Santa Ana Mts., San Mateo Canyon Wilderness Area of the Cleveland Nat'l Forest. San Mateo Canyon, sandy benches in canyon bottoms at the confluence with Bluewater Canyon. 329 Comment
  RSA544314  Gnaphalium luteoalbum Steve Boyd 1991-7-13 6421 Riverside Peninsular Range Temescal Canyon, W base of Gavilan Hills, area of old glass factory between Temescal Wash & I-15, just south of Cajalco Road. Comment
  RSA561428  Gnaphalium luteoalbum Steve Boyd, Tim Ross, Orlando Mistretta 1992-10-2 7693 San Diego Southern Santa Ana Mts, San Mateo Canyon Wilderness Area. Southwestern edge of the wilderness and adjacent Camp Pendelton in lower San Mateo Canyon, near the confluence with Devil Canyon. 122 Comment
  RSA561581  Gnaphalium luteoalbum Steve Boyd, Orlando Mistretta 1993-5-18 8151 Los Angeles Upper Sombrero Canyon, just below western end of Sombrero Rd. (3N64) 792 Comment
  RSA583567  Gnaphalium palustre Steve Boyd 1995-4-25 8503 San Diego Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain along the Dripping Springs Trail just south of the Riverside County line in an area of relatively gentle topography. 1128 Comment
  RSA701995  Gnaphalium palustre Steve Boyd, Naomi Fraga 2004-4-27 11019 San Diego Warner Springs area, rolling terrain near the Pacific Crest Trail, south of Highway 79 and west of the Warner Springs resort. 898 Comment
  CAS-BOT-BC303885  Gnaphalium palustre Steve Boyd; Carol Boyd 2007-9-16 11761 Inyo Sierra Nevada: Rock Creek Lake Drainage, Kenneth Lake, on Tamarack Bench W of Wheeler Ridge and E Fork of Rock Creek 3171 Comment
  RSA593482  Gnaphalium thermale Steve Boyd, Orlando Mistretta, Valerie Soza 1996-6-12 8847 Los Angeles Liebre Mountains, Castaic Creek drainage upstream from confluence of Fish Canyon, in side drainage below high-tension power lines. 610 Comment
  RSA598111  Grayia spinosa Steve Boyd, Lauren Raz 1997-3-4 9159 Los Angeles Liebre Mountains region, southern base of the Sierra Pelona Ridge, east of Crown Valley and northwest of Acton Canyon, just north of Sierra Highway ca 0.8 miles east of Crown Valley Road., Near 34 deg 29' 38.9'' N 118 deg 11' 04.5''W 926 Comment
  RSA730894  Grayia spinosa Steve Boyd, Valentin Arvizu 2008-5-2 11987 Kern Piute Mountains, bajada below Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley. 1311 Comment
  UCR37800  Grindelia camporum Steve Boyd 1981-5-13 s.n. Orange South Coast, Pelican Hill, Irvine Ranch Property, San Joaquin Hills south of Corona del Mar 218 Comment
  UCR101208  Grindelia camporum var. bracteosa Steve Boyd, L. Raz 1997-6-18 9988 Los Angeles San Gabriel Mtns., Liebre Mountains, along Elizabeth Lake Road in Leona Valley, south of Portal Ridge, 5.1 rd. mi west of intersection with 90th St. W. 1055 Comment
  HSC79042  Grindelia hirsutula Steve Boyd 1981-5-13 Orange Pelican Hill, Irvine Ranch property in the San Joaquin Hills S of Corona del Mar Comment
  RSA480083  Guillenia lasiophylla Steve Boyd, S. Meury, Richard Noyes, D. Nordin, L. Arnseth, Timothy S. Ross 1988-3-10 2172 Riverside Palen Pass at the north end of the Palen Mountains 500 Comment
  RSA561815  Guillenia lasiophylla Steve Boyd 1992-4-14 6828 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail. 341 Comment
  RSA565642  Guillenia lasiophylla Steve Boyd 1993-3-18 7731 Inyo Resting Spring Range, 4 miles east of Shoshone, upper bajada and lower slopes along western side of range, 1.1 miles SE of Highway 178. 600 Comment
  CAS-BOT-BC231099  Harpagonella palmeri Steve Boyd 1986-3-9 1384 Riverside Temescal Canyon: Alberhill Mountain, just E of claymine area 487 Comment
  CAS-BOT-BC231102  Harpagonella palmeri Steve Boyd 1986-5-1 1816 Riverside Bachelor Mountain: Lower S slopes of Bachelor Mountain, E end of Lake Skinner Comment
  CAS-BOT-BC231104  Harpagonella palmeri Steve Boyd 1986-4-22 1767 Riverside Temescal Canyon: E side of Indian Wash, S of Interstate 15 Comment
  RSA598204  Harpagonella palmeri Steve Boyd, Lauren Raz 1997-3-4 9134 Los Angeles Liebre Mountains region, Plum Canyon southwest of Cruzan Mesa along Arline Road ca 2 miles west of junction with Sierra Highway in Mint Canyon. 610 Comment
  SBBG105099  Harpagonella palmeri S. Boyd, T. Ross 1994-3-23 8212 San Diego S slope of Poser Mtn at N edge of Viejas Valley, along Old Viejas Grade, 0.7 mi E of Red Oak Rd; Cuyamaca Mtns 914 Comment
  SEINET3242790 Image available Harpagonella palmeri Steve Boyd 1986-1 1790 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow, gabbro substrate Comment
  SEINET3242793 Image available Harpagonella palmeri Steve Boyd 1986-1 1644 Riverside Temescal Canyon: Along DePalma Road between Indian Truck Trail and Horsethief Canyon. Comment
  UC1871078  Harpagonella palmeri Steve Boyd, T. S. Ross 1993-3-23 7906 Riverside Peninsular Ranges; Palomar Mountains region; Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Small area of native grassland on break in slope, west side of trail extending south from end of Woodchuck Road., T8S R1W SE 732 Comment
  UC1871288  Harpagonella palmeri Steve Boyd, T. S. Ross 1994-3-23 8212 San Diego Peninsular Ranges: Cuyamaca-Laguna Mountains region; Southwestern Cuyamaca Mountains, Cleveland National Forest, southern slope of Poser Mountain at northern edge of Viejas Valley along Old Viejas Grade, 0.7 mile E of Red Oak Road. T15S R3E SE/4 SE/4 Sec. 16. Elev. 3000-3200 ft. Comment
  UCR67356  Harpagonella palmeri Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-2 4008 Riverside Peninsular Range, Vail Lake area, lower slopes of Agua Tibia Mtn. along Hwy 79, east of USFWS Dripping Springs Guard Station 610 Comment
  RSA0066628  Harpagonella palmeri Steve Boyd, Tim Ross, Laurel Arnseth 1989-4-1 3133 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  RSA526569  Hazardia cana Steve Boyd, Timothy S. Ross, Arnseth 1990-4-7 4277 Los Angeles San Clemente Island: lower half of China Cyn, S end of island, W side. Comment
  RSA517984  Hedeoma nana subsp. californica Steve Boyd, Kendall McCulloh 1990-10-7 5289 San Bernardino Eastern Mojave Desert Gilroy Canyon drainage, E flank of Providence Mts, from canyon mouth to summits of Edgar, Mitchell Peaks Comment
  RSA502492  Helianthus annuus subsp. lenticularis Steve Boyd, T. S. Ross, L. Arnseth 1989-6-11 3733 Riverside Vail Lake area: edge of hills on N of Wilson Creek at E end of lake. 488 Comment
  CAS-BOT-BC453463  Hemitomes congestum Jean Boyd; Marie Kelly 1950-6-22 s.n. Mendocino Near Fort Bragg Comment
  UCR200747  Hemizonia fasciculata Steve Boyd, Tammy Morgan 2004-5-11 11202 Ventura Transverse Ranges; Mount Pinos region, Topa Topa Mtns, east of Sespe Canyon near upper end of Tar Creek Road and trail Comment
  RSA500137  Hemizonia kelloggii Steve Boyd, T. S. Ross, L. Arnseth 1989-6-10 3673 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  RSA0049544  Hesperocallis undulata Steve Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2222 Riverside Northwest end of the McCoy Mountains, NW of Blackjack Mine. 400 Comment
  CAS-BOT-BC403803  Hesperocnide tenella Steve Boyd 1986-4-2 1598 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park 640 Comment
  RSA552720  Hesperocnide tenella Steve D. Boyd, Tim S. Ross, Orlando Mistretta 1992-2-26 6690 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  UCR22052  Hesperocnide tenella Steve Boyd 1980-4-27 151 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  UCR49220  Hesperocnide tenella Steve Boyd 1986-4-2 1598 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA359882  Hesperocnide tenella Steve D. Boyd 1986-4-2 1598 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  SBBG33694  Hesperocyparis forbesii S. Boyd with L. Lenz 2001-5-2 10425 Los Angeles Warm Springs Mtn, along rd to summit, just W of cutoff to Necktie Basin, on slope between rd and steep escarpment into Warm Springs Cyn Comment
  UCR48389  Hesperolinon micranthum Steve Boyd 1986-4-22 1773 Riverside Peninsular Range, Temescal Canyon, E side of Indian Wash, south of I-15 Comment
  UCR48407  Hesperolinon micranthum Steve Boyd 1986-5-7 1849 Riverside Peninsular Range, Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, south of Hwy I-15 366 Comment
  RSA701764  Heterocodon rariflorum Steve Boyd, LeRoy Gross 2004-5-4 11095 San Diego Hills north of Warner Springs, north Indian Flats Campground of Cleveland National Forest along Road 9S05. 899 Comment
  UCR94486  Heterocodon rariflorum Steve Boyd 1995-5-13 8511 Riverside Santa Ana Mtns, W of 'Onion Hill', SE of Elsinore Peak Area along trail following old Main Divide Road grade. 1006 Comment
  SD152761  Heteromeles arbutifolia Steve Boyd, Tim Ross 1992-5-6 7299 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Southern flank of Miller Mountain about upper portions of Miller Canyon, the major drainage on the southern flank of the mountain 701 Comment
  CAS-BOT-BC289180  Hilaria rigida Steve Boyd; Tammy Morgan 2004-3-30 10683 San Bernardino Southern end of the Cady Mountains northwest of Ludlow, north of Interstate 40, about hill topped with communication towers, Mojave Desert, Central Mojave Desert region 1005 Comment
  OBI70074  Hilaria rigida S. Boyd, D. Charlton, L. Arnseth, S. Meury, D. Nordin, R. Noyes, T. Ross 1988-4-8 1742 San Bernardino W side of Ord Mtn. N of Lucerne Valley. 15 mi S of I-40 on Camp Rock Rd near Tyler Valley 1524 Comment
  UCR101209  Holocarpha heermannii Steve Boyd, L. Raz 1997-6-18 9984 Los Angeles San Gabriel Mtns., N base of Portal Ridge along the Broad Cyn Motorway, east of the mouth of Broad Cyn, edge of the Antelope Valley. 951 Comment
  SD136913  Holocarpha virgata subsp. elongata Steve Boyd, Darin Banks 1994-9-8 8330 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, Cleveland National Forest near junction Forest Service Roads 8S01 and 8S01A 790 Comment
  UCR84380  Holocarpha virgata subsp. elongata Steve Boyd, D. L. Banks 1994-9-8 8330 San Diego Peninsular Range; Santa Ana Mtns., San Mateo Canyon Wilderness Area of the Cleveland National Forest, ridge top on NW flank of Margarita Peak near junction of Forest Service 8S01 and 8S01A 793 Comment
  RSA75569  Holodiscus microphyllus Steve D. Boyd, David E. Bramlet 1986-6-9 1925 Tulare Chimney Creek Canyon; saddle on E flank Peak 7155, south of Chimney Meadow. 2134 Comment
  UC1929915  Holodiscus microphyllus var. microphyllus Steve Boyd, Michael Denslow, Amber Maurice, Sarah Swartzentruber, Aydee Virgen 2003-6-27 10554 Tulare Sierra Nevada; Southern Sierra Nevada region; Chimney Peak Recreation Area, summit of northern high point on Bear Mountain (Bear Peak). 2509 Comment
  SBBG80561  Hordeum brachyantherum S. Boyd 1983-8-10 San Bernardino near Onyx Summit at Cienega Seca 2456 Comment
  RSA522779  Hordeum murinum subsp. leporinum Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3886 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  RSA575996  Hordeum murinum subsp. leporinum Steve Boyd 1981-4-10 s.n. Riverside Gavilan Hills region, canyon at southeastern base of Rocky Bluff Ridge, east of Estelle Mountain and south of Gavilan Plateau. 610 Comment
  RSA668671  Hordeum murinum subsp. leporinum Steve Boyd 2001-4-12 10418 Riverside Gavilan Hills Region: South base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street, in the vicinity of the site of Tera Cotta. Comment
  UCR146255  Hordeum murinum subsp. murinum Steve Boyd 2001-4-12 10418 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Gavilan Hills Region: South base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street, in the vicinity of the site of Terra Cotta Comment
  HSC83132  Horkelia bolanderi Steve Boyd 1983-7-25 San Bernardino San Bernardino Mtns., near Onyx Summit at Cienaga Seca, W of Hwy. 38 2500 Comment
  RSA701735  Horkelia clevelandii Steve D. Boyd, LeRoy Gross 2004-5-4 11080 San Diego Hills north of Warner Springs, north Indian Flats Campground of Cleveland National Forest along Road 9S05. 899 Comment
  UCR79501  Horkelia truncata Steve Boyd, T. S. Ross 1992-6-4 7590 San Diego Peninsular Range; Santa Ana Mtns., San Mateo Cyn Wilderness Area. SE edge of wilderness in Upper Devil Cyn drainage, SW of Sky Ranch, along FS rd. 8S01 732 Comment
  HSC85409  Hornungia procumbens Steve Boyd 1986-4-2 1622 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  UCR49238  Hornungia procumbens Steve Boyd 1986-4-2 1622 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA387400  Horsfordia alata Steve Boyd 1986-2-6 1260 Imperial Cargo Muchacho Mountains; E of the Mountains Powerline Road, 4.4 miles W of Picacho Road Comment
  RSA619916  Hulsea vestita subsp. parryi Steve Boyd, Valerie Soza, Kazuyuki Kashiwase 1998-7-1 10241 San Bernardino San Bernardino Mountains: North base of Blackhawk Mountain, southwest of Round Mountain. 1463 Comment
  SD122925  Hypericum formosum var. scouleri Steve Boyd 1985-7-30 1079 San Diego Upper Cottonwood Canyon, 3.6 mi. (by road) northwest of jtn of Tenaja Trail and De Luz Rd. Several plants in side cyn near road. Comment
  RSA559327  Hypochaeris glabra Steve Boyd, David E. Bramlet, Tim Ross 1993-5-13 7361 Riverside Southern santa Ana Mountains, San Mateo Canyon Wilderness Area. san Mateo Canyon, along stream and adjacent benches and lower slopes about the confluence with Los Alamos Canyon, near junction of Teneja Road (7S01) and Los Alamos Road (7S04). 396 Comment
  UCR68942  Hypochaeris glabra Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4254 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  CAS-BOT-BC312942  Hypochaeris glabra Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-7 4254 Los Angeles San Clemente Island. Lower half of China Cyn, S end of island, W. side Comment
  UCR224023  Iris pseudacorus Steve Boyd, Rick Riefner 2007-4-27 11739 Los Angeles Coastal Plains & Basins; Los Angeles Basin region, City of Carson, northwestern end shore of Harbor Park Lake (formerly known as Bixby Slough), between Pacific Coast Highway and Vermont Avenue. 43 Comment
  RSA599814  Isopyrum occidentale Steve Boyd, Lauren Raz 1997-3-26 9388 Los Angeles Liebre Mountains region: Sierra Pelona Ridge, southern flank of Martindale Canyon near the northern end of Bouquet Canyon, south of the upper end of the reservoir along Forest Service Road 6N08. 1396 Comment
  RSA527640  Jepsonia malvifolia Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-8 4396 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  SD136755  Jepsonia parryi Steve Boyd 1994-10-14 8400 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of Cleveland National Forest. San Mateo Cyn, along San Mateo Trail between N branch of Tenaja Trail and Fisherman's Camp. aong trail on mossy banks in understory of chaparral 427 Comment
  SD181338  Jepsonia parryi Steve Boyd, Valerie Soza 2001-3-27 10319 San Diego Agua Tibia Mts, western end of range, south of Pechanga Indian Reservation & east of Magee Rd. Within area burned in fall 2000 Pechanga fire. 579 Comment
  RSA0011076  Juglans californica Steve Boyd 1991-3-17 5494 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  RSA595028  Juglans californica var. californica Steve Boyd, Lauren Raz 1996-10-8 8991 Los Angeles Liebre Mountains region, Bouquet Canyon ca. 1.7 miles south of junction with Forest Service Road 6N08. 561 Comment
  RSA0011163  Juglans californica var. californica Steve Boyd, Walter Appleby 1993-4-22 7979 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Vicinity of Los Pinetos Spring, head of Los Pinetos Canyon 854 Comment
  RSA596704  Juglans hindsii Steve Boyd, Lauren Raz 1996-9-24 8928 Los Angeles Liebre Mountains, Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain 915 Comment
  SEINET8126912 Image available Juncus acutus S. D. Boyd 1996-1 8920 Unknown Comment
  RSA520759  Juncus balticus subsp. ater Steve Boyd, David E. Bramlet 1986-6-9 1948 Tulare Chimney Creek Canyon at Chimney Meadow, N base peak 7155 1860 Comment
  UCR198360  Juncus bryoides Steve Boyd, Valentin Arvizu 2008-5-1 11931 A Kern Southern Sierra Nevada Range, Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley 1463 Comment
  HSC101589  Juncus bufonius Steve Boyd, G. D. Wallace 2005-7-30 11643 Riverside Peninsular Ranges; San Jacinto Mountains region; San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2652 Comment
  RSA0012075  Juncus bufonius Steve Boyd, Rick Riefner 2007-4-27 11735 Los Angeles City of Carson, northwestern end shore of Harbor Park Lake (formerly known as Bixby Slough), between Pacific Coast Highway and Vermont Avenue. 43 Comment
  UC1563066  Juncus bufonius Steve Boyd, Tim Ross, and Laurel Arnseth 1989-6-4 3641 Riverside se of Vail Lake area (just n of Hwy 79); Temecula Creek 487 Comment
  UCR224020  Juncus bufonius Steve Boyd, Rick Riefner 2007-4-27 11735 Los Angeles Coastal Plains & Basins; Los Angeles Basin region, City of Carson, northwestern end shore of Harbor Park Lake (formerly known as Bixby Slough), between Pacific Coast Highway and Vermont Avenue. 43 Comment
  UCR225161  Juncus bufonius Steve Boyd, Gary Wallace 2005-7-30 11643 Riverside Peninsular Ranges; San Jacinto Mountains region, San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2683 Comment
  UCR48484  Juncus bufonius Steve Boyd 1986-4-19 1718 Riverside Peninsular Range, Temescal Canyon, Warm Springs Valley, Alberhill Creek east of Nichols Road 366 Comment
  RSA500566  Juncus bufonius var. occidentalis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3603 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  RSA334647  Juncus effusus subsp. austrocalifornicus Steve Boyd 1985-8-7 1100 San Diego Santa Rosa Plateau region. Forest Service Road 8S02, 2.3 miles west of Johnson Ranch (junction 8S01 & 8S02). Comment
  RSA335173  Juncus effusus subsp. austrocalifornicus Steve Boyd, Karlin G. Marsh 1985-6-11 1186 San Bernardino San Bernardino Mountains. Bear Valley area. North shore of Baker Lake, about 1 mile east of the Stanfield Cut-off. Comment
  RSA600139  Juncus macrophyllus Steve D. Boyd, Lauren Raz 1997-5-29 9920 Los Angeles Liebre Mountains region: Portal Ridge, north of the San Andreas Rift Zone, in the Cow Spring drainage along the Pacific Crest Trail, at point where trail crosses side drainage originating on ridge forming divide with Gookins Dry Lake. 1098 Comment
  UCR21175  Juncus macrophyllus Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  RSA562485  Juncus mexicanus Steve Boyd, Timothy S. Ross 1992-5-5 7251 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats along Serrano Spring drainage between Lucas Canyon Trail and junction of Bluewater and Verdugo Trails. 732 Comment
  UCR21886  Juncus mexicanus Steve Boyd 1980-7-16 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, west edge of the reserve c. 1/4 mile north of the Motte's house 520 Comment
  RSA560428  Juncus rugulosus Steve Boyd, Timothy S. Ross, Michael Wall 1992-6-4 7528 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Devil Canyon at the confluence with Miller Creek . 537 Comment
  RSA496387  Juncus tenuis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-31 3064 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
  RSA701717  Juncus tiehmii Steve Boyd, LeRoy Gross 2004-5-4 11058 San Diego Hills north of Warner Springs, north Indian Flats Campground of Cleveland National Forest along Road 9S05. 899 Comment
  UCR59672  Juncus xiphioides Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3551 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, pond and freshwater marsh in Kolb Creek, just south of the lake Comment
  NY99570  Juniperus californica S. D. Boyd 1996-4-24 8659 Los Angeles Liebre Mountains, northwestern end of the range on the ridgetop and upper slopes of the southern flank of Apple Canyon 1066.8 Comment
  RSA592823  Juniperus californica Steve Boyd 1996-4-24 8659 Los Angeles Liebre Mountains, northwestern end of the range on the ridgetop and upper slopes of the southern flank of Apple Canyon. 1067 Comment
  UCR91667  Keckiella antirrhinoides subsp. antirrhinoides Steve Boyd 1995-4-24 8496 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on N flank of Agua Tibia Mtn, at N base of Wildhorse Peak. Along the Wildhorse Trail near the NE corner of the Wilderness 671 Comment
  UCR21939  Keckiella antirrhinoides var. antirrhinoides Steve Boyd 1980-5-11 252 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  RSA335014  Keckiella cordifolia Steve D. Boyd 1985-7-23 1022 Riverside Deluz Road, 8.5 miles west of Rancho California, along Sandia Creek. 274 Comment
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Jun 8 2012
  SD217381  Keckiella cordifolia Steve Boyd, Tim Ross and Laurel Arnseth 1990-4-8 4426 Los Angeles San Clemente Island. East side of island, near Malo Point, first canyon south of Bryce Canyon. Comment
  UCR107791  Kochia californica Steve Boyd, J. M. Porter, Z. Lederman 1998-4-27 10152 Los Angeles Mojave Desert, Antelope Valley, Amargosa Creek drainage at W G Street, west of Hwy 14, SW of Rosamond Dry Lake. 793 Comment
  RSA507963  Koeleria macrantha Steve Boyd, C. Boyd, K. Boyd, R. Noyes, L. Arnseth 1988-5-28 2281 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. 1500 Comment
  RSA599653  Koeleria macrantha Steve Boyd, Lauren Raz 1997-5-1 9671 Los Angeles Liebre Mountains Region: Sierra Pelona ridgeline, about 1.5 miles west of Mt. McDill and 1.3 miles south-southeast of Lincoln Crest, the head of Bouquet Canyon. 1463 Comment
  SBBG118895  Krameria bicolor S. Boyd with S. Vanderplank, V. Arvizu 2004-10-13 11596 San Bernardino Ivanpah Valley, upper bajada at NE base of the Ivanpah Mtns, S of Interstate 15 Comment
  UCD107080  Krameria bicolor Steve Boyd; Tammy Morgan, Aydee Virgen, Sarah DeGroot, et al. 2004-5-14 11256 Imperial Colorado Desert; Chocolate-Chuckwalla Mountains region: Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountans Aerial Gunnery Range. 570 Comment
  RSA517842  Krameria grayi Steve Boyd, Orlando Mistretta 1986-3-13 1477 Riverside West Side Palen Mts: NE of Desert Center; first large canyon at NW tip of western segment of range. Comment
  UCR200303  Krameria grayi Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11228 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  RSA650302  Krascheninnikovia lanata Bob Boyd 1978-04 s.n. San Bernardino Barstow Area. Comment
  UCR108176  Krascheninnikovia lanata Steve Boyd, Kent Hughes 1998-4-28 10215 Kern Southern Sierra Nevada, Piute Range, Jawbone Canyon. southeast of confluence with Hoffman Canyon, north base of Chuckwalla Mountain 866 Comment
  RSA522307  Lactuca serriola Steve Boyd 1989-7-9 3777 Riverside City of Riverside, 4863 Rubidoux Ave. Comment
  UCR21851  Lactuca serriola Steve Boyd 1980-7-16 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, west edge of the reserve c. 1/4 mile north of the Motte's house 520 Comment
  UCR147720  Lagophylla ramosissima Steve Boyd, Et al. 2001-8-24 10427 San Bernardino Transverse Ranges; San Bernardino Mountains region, Northwest end of the range, vicinity of Burnt Flats, off of extension of Highway 173, the ''Old Toll Road'', south of Deep Creek, west of Kinley Creek. 427 Comment
  RSA525436  Lamarckia aurea Steve Boyd, Dave Bramlet 1990-4-29 4481 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  RSA701912  Langloisia punctata Steve Boyd, Michael Denslow 2004-3-23 10608 San Bernardino Lavic Mountain, southern end of the Cady Mountains northwest of Ludlow (north of Interstate 40) along powerline/pipeline access road. Comment
  UCR218304  Langloisia setosissima Steve Boyd 2010-4-18 12224 Inyo Mojave Desert; North Mojave Desert region, Northwest base of Dublin Hills, south of Hwy 178, northwest of Shoshone 671 Comment
  RSA335148  Lappula occidentalis var. occidentalis Steve Boyd, Karlin G. Marsh 1985-6-11 1174 San Bernardino San Bernardino Mountains. Bear Valley area. North shore of Baker Lake, about 1 mile east of the Stanfield Cut-off. Comment
  CAS-BOT-BC170764  Larrea tridentata Steve Boyd; Carol Boyd 2007-4-22 11729 San Bernardino North base of the sheephole Mountains, just northeast of Sheephole pass, east of Amboy Road - Mojave Desert, Southcentral Mojave Desert region 670 Comment
  RSA594350  Larrea tridentata Steve D. Boyd, Lauren Raz 1996-10-14 9057 Los Angeles Liebre Mountains region, near the head of Soledad Canyon, just north of the confluence of Kentucky Springs Canyon, strip of undeveloped land between Sierra Highway and Highway 14, just west of Vincent Fire Station. 939 Comment
  RSA678448  Larrea tridentata Steve D. Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10447 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UCR148383  Larrea tridentata Steve Boyd, Tammy Morgan 2004-3-30 10682 San Bernardino Central Mojave Desert, S end of the Cady Mountains, NW of Ludlow (N of Interstate 40) about hill topped with communication towers 854 Comment
  SBBG87700  Larrea tridentata S. Boyd 1986-2-15 1267 Unknown E slope of Sierra Juarez, ca. 1 mi S of Cantu Palms, lower Bajada on rd to Cantu Palms Comment
  UCR48374  Lasthenia coronaria Steve Boyd 1986-5-1 1821 Riverside S slopes of Bachelor Mtn, east end of Lake Skinner Comment
  RSA552711  Lasthenia gracilis Steve Boyd, Tim Ross, Orlando Mistretta 1992-2-25 6680 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Tril from junction 7S04 & 7S01 upstream to southern end of Potrero de la Cienega, but primarily about Tenaja Falls. 396 Comment
  RSA560359  Lasthenia gracilis Steve Boyd 1992-4-14 6822 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of Oak Flats area along Bluewater Tributary from Verdugo Tributary S to crest of ridge W side Bluewater Canyon. 732 Comment
  RSA612096  Lasthenia gracilis Steve Boyd, Kent Hughes 1998-4-28 10212 Kern Southern Sierra Nevada, Piute Range: Jawbone Canyon, southeast of confluence with Hoffman Canyon, north base of Chuckwalla Mountain. 823 Comment
  UCR68935  Lasthenia gracilis Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4220 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  UCR71379  Lasthenia gracilis Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4384 Los Angeles Channel Islands, San Clemente Island: E side of the island, near Malo Point, third canyon south of Bryce Canyon 427 Comment
  RSA527753  Lasthenia gracilis Steve Boyd, Tim Ross, L. Arnseth 1990-4-8 4322 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  RSA570748  Lathyrus vestitus Steve Boyd, W. Appleby 1993-4-8 7967 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Devil Canyon, vicinity of Mud Spring. 671 Comment
  RSA726816  Lathyrus vestitus var. vestitus Steve Boyd, Heidi Bigelow 2004-4-5 10826 San Diego Pine Hills area, between Magee Flat and Deadman Flat along Eagle Peak Rd. Comment
  SBBG96848  Lathyrus vestitus var. vestitus S. Boyd with T. Ross, L. Arnseth 1990-4-7 4209 Los Angeles lower half of China Cyn, dunes at cyn mouth Comment
  SBBG96635  Lavatera cretica S. Boyd with O. Mistretta, L. Arnseth, B. O'Brien, T. Hayduk 1990-4-6 4171 Los Angeles head of Larkspur cyn, E side of island, S of US Navy site called 'Jack 213 Comment
  CHSC101203  Layia glandulosa Steve Boyd; Valentin Arvizu 2008-5-1 11938 Kern Sierra Nevada; Southern Sierra Nevada region: Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley. 1417 Comment
  UC1928633  Layia glandulosa Steve Boyd, Valentin Arvizu 2008-5-1 11938 Kern Sierra Nevada; Southern Sierra Nevada region; Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley. Comment
  OBI56583  Layia pentachaeta subsp. pentachaeta Steve Boyd, Andrew C. Sanders, R. T. Hawke, Shaun Hawke, Susan Hobbs, Paul Hobbs 1997-4-20 9581 Kern San Emigdio Range: Pleito Hills region, San Emigdio ranch, ridge on W side of Pleito Cyn, approx 4.5 air mi due N of Antimony Peak. T10N R21W N1/2 sec 22 1219 Comment
  RSA593885  Layia platyglossa Steve Boyd, David E. Bramlet 1996-4-19 8615 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  RSA395899  Layia platyglossa subsp. campestris Steve Boyd 1986-4-22 1764 Riverside Temescal Canyon; W side of Indian Wash, S of I-15 Comment
  RSA522763  Layia platyglossa subsp. campestris Steve Boyd, L. Arnseth 1990-3-29 3870 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  RSA524597  Layia platyglossa subsp. campestris Steve Boyd, Tim Ross, L. Arnseth 1990-3-29 3912 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  RSA527736  Layia platyglossa subsp. campestris Steve Boyd, Tim Ross, L. Arnseth 1990-4-8 4303 Los Angeles San Clemente Island: east side of the island, near Malo Point, 1st canyon south of Bryce Canyon. Comment
  RSA502516  Lemna minor Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3573 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  RSA583473  Lepechinia ganderi Steve Boyd, Mark A. Elvin 1995-8-3 8521 San Diego Otay Mountain, upper O Neil Canyon drainage on west side of the mountain along Otay Mountain Truck Trail, 2.2 miles west of Dog House Junction. 823 Comment
  RSA735683  Lepechinia rossii Steve Boyd, Valentin Arvizu 2004-6-8 11534 Ventura Topa Topa Mountains, east of Sespe Canyon near upper end of Tar Creek Road (and trail). 762 Comment
  CAS-BOT-BC88784  Lepidium appelianum Steve Boyd; Dave Bramlet 1986-6-9 1942 Tulare Southern Sierra Nevada Mountains. Chimney Creek Canyon at Chimney Meadow, north base peak 7155. 1859 Comment
  CAS-BOT-BC89468  Lepidium fremontii S. Boyd; D. Charlton; L. Arnseth; S. Meury; D. Nordin; R. Noyes; T. Ross 1988-4-8 1607 San Bernardino South side of Ord Mountain. North of Lucerne Valley. 10 miles north of the Bear Valley Road on Camp Rock Road. 1371 Comment
  CAS-BOT-BC89470  Lepidium fremontii Steve Boyd; Tammy Morgan 2004-3-30 10687 San Bernardino Mojave Desert. Central Mojave Desert Region. Southern end of the Cady Mountains northwest of Ludlow. 854 Comment
  RSA515175  Lepidium fremontii Steve Boyd 1986-3-31 1566 Los Angeles Mojave Desert: Highway 18 about 1 mile E of jct with Hwy 138, NE of Pinyon Hills. Comment
  UCR148364  Lepidium fremontii Steve Boyd, Michael Denslow 2004-3-23 10635 San Bernardino Central Mojave Desert, Lavic Mountain, southern end of the Cady Mountains northwest of Ludlow (north of Interstate 40) along powerline/pipeline access road Comment
  RSA535492  Lepidium lasiocarpum Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-2 6640 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Upper San Mateo Canyon between confluence of Tenaja Canyon and Los Alamos Canyon. Comment
  RSA678339  Lepidium lasiocarpum Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10476 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  RSA701548  Lepidium lasiocarpum Steve Boyd, Tammy Morgan 2004-3-30 10739 San Bernardino Mojave Desert; Central Mojave Desert region: Pisgah lava beds just S of old Route 66 and I-40 W of Ludlow and 7.8 miles E of Fort Cady Road. 600 Comment
  RSA731050  Lepidium lasiocarpum Steve Boyd, LeRoy Gross 2008-4-11 11876 Inyo Southwestern base of Dublin Hills at eastern edge of lower Greenwater Valley, west of Shoshone, bajada east of Furnace Creek Wash Road, north and east to lowest rocky slopes and outlying hills. 580 Comment
  SD217251  Lepidium lasiocarpum Steve Boyd, Tim Ross and Orland Mistretta 1992-2-2 6640 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest; Upper San Mateo Canyon between confluence of Tenaja Canyon and Los Alamos Canyon. Comment
  UCR51947  Lepidium lasiocarpum Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2122 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  RSA496359  Lepidium nitidum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-19 3033 Riverside Vail Lake area, 0.5 mi WNW of dam, clay soil deposits on dissected bench, S flank Oak Mountain. 488 Comment
  RSA702257  Lepidium nitidum Steve Boyd, Heidi Bigelow 2004-4-5 10832 San Diego Pine Hills area, between Magee Flat and Deadman Flat along Eagle Peak Rd. Comment
  RSA544286  Lepidium virginicum var. pubescens Steve Boyd, Timothy S. Ross 1991-6-14 6361 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Spings. Comment
  RSA575857  Lepidospartum squamatum Steve Boyd 1980-9-22 s.n. Riverside Lakeview Mountains, Juniper Flats area along Juniper Flats Rd. at '4 J's Ranch.' Comment
  UCR21995  Lepidospartum squamatum Steve Boyd 1980-7-12 334 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR77762  Lepidospartum squamatum Steve Boyd 1991-9-8 6430 Riverside Peninsular Range, Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371 600 Comment
  RSA628352  Leptochloa panicea subsp. mucronata Steve Boyd 1998-10-4 10293 Riverside Backyard orchard at 4863 Rubidoux Avenue. Comment
  RSA527632  Leptosiphon bicolor Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4388 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  RSA571535  Leptosiphon breviculus Steve Boyd, D. L. Banks, Orlando Mistretta 1994-4-29 8298 Los Angeles Northern slope of the San Gabriel Mountains, Angeles National Forest, side draw on southeastern side of Mt. Emma, Santiago Canyon drainage. 1158 Comment
  HSC66027  Leptosiphon ciliatus D. Boyd, M. Eichelberger, Tim Messick, T. Ranker 1980-4-19 24 Lake Along Walker Ridge Rd., 2.65 mi. S of junction with access road to Indian Valley Dam Comment
  RSA525413  Leptosiphon lemmonii Steve Boyd, Yvonne Rasmussen, Hugo Cota 1990-5-3 4521 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  UCD118860  Leptosiphon liniflorus Steve Boyd 1986-5-7 1850 Riverside Temescal Canyon, Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. Comment
  RSA500979  Leptosiphon parviflorus Steve Boyd, L. Arnseth, T. S. Ross 1989-4-1 3144 Riverside Vail Lake area, ridge along N edge Oak Mountain, 1.5-2.0 miles W of the dam. 518 Comment
  RSA525323  Leptosiphon pygmaeus subsp. continentalis Steve Boyd, A. C. Sanders, Mark Skinner 1990-4-28 4454 Riverside Vail Lake area, low, sedimentary hills to E of USFS Dripping Springs Campground along Arroyo Seco Crk, S of Hwy 79. 488 Comment
  RSA612151  Leptosiphon pygmaeus subsp. pygmaeus Steve Boyd, Kent Hughes 1998-5-5 10180 Los Angeles Liebre Mountains region: Portal Ridge, north of the San Andreas Rift Zone, in the Cow Spring drainage along the Pacific Crest Trail. 1158 Comment
  RSA670048  Leptosyne californica R. S. Boyd 1978-4-2 s.n. San Bernardino Barstow Comment
  RSA570250  Lesquerella tenella Steve Boyd, Timothy S. Ross, Walter Appleby 1993-3-20 7879 San Bernardino Fenner Valley,east of the Providence Mts., along power line road 2.5 miles east of intersection of Black Canyon Road and Essex Road. 900 Comment
  SD136871  Lesquerella tenella Steve Boyd, Tim Ross and Walter Appleby 1993-3-20 7879 San Bernardino Fenner Valley, east of the Providence Mountains, along power line road 2.5 miles east of intersection of Black Canyon Road and Essex Road. 900 Comment
  RSA594855  Lessingia glandulifera var. glandulifera Steve Boyd, Lauren Raz 1996-10-8 8984 Los Angeles Liebre Mountains region, Plum Canyon southwest of Cruzan Mesa along Arline Road ca 2 miles west of junction with Sierra Highway in Mint Canyon. 610 Comment
  RSA600211  Lessingia glandulifera var. peirsonii Steve Boyd, Lauren Raz 1997-5-28 9897 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 866 Comment
  SD230174  Lessingia lemmonii var. peirsonii Steve Boyd, Laura Moore, Mike Wall 1997-7-24 10022 Los Angeles Liebre Mountains Region: Summit of Liebre Mountain, saddle between Richardson and Bear canyons, along Forest Service Road 7N23, 0.05 miles east of junction with road to Bear Gulch Camp (7N23A). 1646 Comment
  RSA335160  Leymus triticoides Steve Boyd, Karlin G. Marsh 1985-6-11 1135 San Bernardino Bear Valley area, North shore of Baker Lake, about 1 mile east of the Stanfield Cut-off. Comment
  RSA335169  Limosella acaulis Steve D. Boyd, Karlin Marsh 1985-6-11 1146 San Bernardino Bear Valley area; North shore of Baker Lake, about 1 mile east of the Stanfield Cut-off. Comment
  RSA593409  Linanthus androsaceus subsp. luteolus Steve Boyd 1996-5-17 8812 San Diego Anza Bench region (extensive upland area north of Palomar Mountains and Warner Valley, and south of the San Jacinto Mountains) northwest of Hot Springs Mountain, along 9S05 ca. 1.5 miles northwest of Indian Flats Campground., Cleveland National Forest; in low gradient drainage which heads southeast to the San Luis Rey River. 1170 Comment
  UCR148200  Linanthus androsaceus subsp. luteolus Steve Boyd, LeRoy Gross 2004-5-4 11029 San Diego Peninsular Ranges; Anza Bench region, hills north of Warner Springs, Indian Flats Campground of Cleveland National Forest along Road 9S05 1098 Comment
  UCR48358  Linanthus androsaceus subsp. micranthus Steve Boyd 1986-5-1 1802 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  UCR200790  Linanthus aureus Steve Boyd, Valentin Arvizu 2008-5-1 11906 Kern Southern Sierra Nevada Range, Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley 1463 Comment
  UCR15924  Linanthus aureus subsp. decorus Steve Boyd 1978-4-23 3 San Bernardino Eastern Mojave Desert, S end Kelso sand dunes. Comment
  RSA387383  Linanthus bigelovii Steve Boyd, M. Doyle, B. Roy, Sara Meury 1986-4-12 1666 San Bernardino Lucerne Valley, just E of Rabbit Dry Lake, off Hwy. 18. Comment
  RSA543152  Linanthus bigelovii Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6021 Riverside Vail Lake region, alluvial benches along Kolb Creek, S of Hwy 79 at Jtn w/ Woodchuck Rd. 494 Comment
  SBBG101706  Linanthus dianthiflorus S. Boyd with T. Ross, M. Hammitt 1991-5-2 6081 Riverside SW and W flanks of Billy Goat Mtn, 3 mi N of Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  UCR22120  Linanthus lemmonii Steve Boyd 1980-4-13 126 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  UCR48511  Linanthus lemmonii Steve Boyd 1986-4-2 1633 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UC1595629  Linanthus liniflorus Steve Boyd and Dave Bramlet 1991-5-13 6253 Riverside ese of Winchester (n side of Domenigoni-Diamond Valleys, ridge top s of s end of Warren Rd); Domenigoni Hills 548 Comment
  RSA515215  Linanthus parryae Steve Boyd 1986-3-30 1516 Los Angeles Mojave Desert: Highway 18, 0.5 miles east of junction with Hwy 138, NE of Pinyon Hills. Comment
  RSA730928  Linanthus parryae Steve Boyd, Valentin Arvizu 2008-5-1 11907 Kern Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley. 1372 Comment
  UCR107804  Linanthus pygmaeus Steve Boyd, Kent Hughes 1998-5-5 10180 Los Angeles Liebre Mountains, Portal Ridge, north of the San Andreas Rift Zon, in the Cow Spring drainage along the Pacific Crest Trail. 1159 Comment
  UCR48508  Linanthus pygmaeus Steve Boyd 1986-4-13 1688 Riverside Gavilan Hills, Harford Springs County Park, between creek and W flank of 'Cross Mountain Comment
  CAS-BOT-BC432281  Lithophragma affine Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 3994 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Sta. 609 Comment
  UC1871069  Lithophragma affine Steve Boyd, Walter Appleby 1993-4-8 7927 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Devil Canyon from road 8S01 downstream to vicinity of Mud Spring. 655 Comment
  UC1871199  Lithophragma affine subsp. affine Steve Boyd, W. Appleby 1969-12-31 7969 San Diego Peninsular Ranges; Santa Ana Mountains region; Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Devil Canyon, vicinity of Mud Spring. T8S R5W SW/4 SE/4 sec 22. elev. ca. 2200 ft. Comment
  CAS-BOT-BC432214  Lithophragma bolanderi Steve Boyd; Walter Appleby 1993-4-22 7983 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Vicinity of Los Pinetos spring, head of Los Pinetos Canyon. 975 Comment
  SBBG96971  Lithophragma maximum S. Boyd with T. Ross, L. Arnseth 1990-4-8 4318 Los Angeles near Malo Pt, second cyn S of Bryce Cyn Comment
  UCR71304  Lithophragma maximum Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4318 Los Angeles Channel Islands, San Clemente Island: E side of island near Malo Point, second canyon south of Bryce Canyon Comment
  HSC66159  Lithophragma parviflorum D. Boyd, M. Eichelberger, Tim Messick, T. Ranker 1980-5-3 59 Trinity Philpot Creek Campground. 808 Comment
  RSA592851  Lithophragma parviflorum Steve Boyd, Orlando Mistretta 1996-5-1 8755 Los Angeles Liebre Mountains, Sawmill Mountain, upper slopes and summit at head of Heryford Canyon, east of the junction of 7N23 and 7N08. 1524 Comment
  RSA525352  Loeflingia squarrosa Steve Boyd, A. C. Sanders, Mark Skinner 1990-4-28 4450 -A Riverside Vail Lake area, benches along Kolb Creek, W of Dripping Springs, N of Hwy 79. 488 Comment
  RSA678341  Loeflingia squarrosa Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10478 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  RSA731102  Loeflingia squarrosa Steve Boyd, Valentin Arvizu 2008-5-1 11962 Kern Southern Sierra Nevada region: Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley. 1372 Comment
  UC1979640  Loeflingia squarrosa Steve Boyd, D. L. Banks 1995-4-6 8436 San Diego Palomar Range,northeastern flank of Agua Tibia Mountain at the Crosley Homestead, north of Eagle Crag, near the gate along the old Crosley Road at the crossing of Arroyo Seco. Comment
  SD231407  Loeseliastrum matthewsii Steve Boyd, Valentin Arvizu 2008-5-2 11996 Kern Sierra Nevada: Southern Sierra Nevada Region: Piute Mountains, Kelso Valley, east of Sorrell Peak and St. John Ridge along Kelso Valley Road at junction with dirt road to Whitney Well. 1341 Comment
  RSA670043  Loeseliastrum matthewsii R. S. Boyd 1978-5-6 s.n. San Bernardino 5 miles north of Barstow. Comment
  HSC85384  Logfia arizonica Steve Boyd 1986-4-10 1642 Riverside Temscal Canyon: Along DePalma Rd. between Indian Truck Trail and Horsethief Canyon. 1.0 mi. E of Indian Truck Trail Comment
  UCR59770  Logfia arizonica Steve Boyd, T. S. Ross, L. Arnseth 1989-3-19 3043 Riverside Peninsular Range, Vail Lake area, 0.75 mi NW of dam, S flank Oak Mountain 622 Comment
  CAS-BOT-BC342252  Logfia filaginoides Steve Boyd 1986-4-19 1695 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road Comment
  CAS-BOT-BC342254  Logfia filaginoides Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 4044 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Sta. 609 Comment
  UC1719681  Logfia filaginoides Steve Boyd, Naomi Fraga 2004-4-27 10998 San Diego Peninsular Ranges; Anza Bench region; Warner Springs area, rolling terrain near the Pacific Crest Trail, south of Highway 79 and west of the Warner Springs resort. 898 Comment
  CAS-BOT-BC342364  Logfia gallica Steve Boyd 1992-4-21 6960 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Southern flanks of Miller Mountain 853 Comment
  RSA575975  Lolium perenne Steve Boyd 1981-1-25 s.n. Riverside Gavilan Hills region, upper Dawson Canyon, just west of the Gavilan Plateau 610 Comment
  RSA520736  Lomatium dissectum var. multifidum Steve Boyd, Dave Bramlet 1986-6-9 1919 Tulare Chimney Creek Canyon, Saddle on E flank Peak 7155 2141 Comment
  RSA525329  Lomatium lucidum Steve Boyd, Andy Sanders, Mark Skinner 1990-4-28 4460 Riverside Vail Lake area, low, sedimentary hills to E of USFS Dripping Springs Campground along Arroyo Seco Crk, S of Hwy 79. 488 Comment
  RSA526498  Lomatium lucidum Steve Boyd, Timothy S. Ross 1990-5-11 4693 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  RSA730912  Lomatium mohavense subsp. mohavense Steve Boyd, Valentin Arvizu 2008-5-1 11903 Kern Southern Sierra Nevada region: Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley. 1372 Comment
  UCR200798  Lomatium mohavense subsp. mohavense Steve Boyd, Valentin Arvizu 2008-5-1 11903 Kern Southern Sierra Nevada Range, Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley 1463 Comment
  UC1929924  Lomatium nevadense var. parishii Steve Boyd, Michael Denslow, Amber Maurice, Sarah Swartzentruber, Aydee Virgen 2003-6-27 10531 Tulare Sierra Nevada; Southern Sierra Nevada region; Chimney Peak Recreation Area, summit of northern high point on Bear Mountain (Bear Peak). 2509 Comment
  OBI37537  Lonicera subspicata Steve Boyd 1985-7-30 1062 San Diego Lower Cottonwood Canyon, near its confluence with De Luz Crk Comment
  RSA334667  Lonicera subspicata var. denudata Steve Boyd 1985-7-30 1062 San Diego Lower Cottonwood Canyon, near its confluence with De Luz Creek. Comment
  RSA561575  Lonicera subspicata var. denudata Steve Boyd, Orlando Mistretta 1993-5-17 8144 Los Angeles north of sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Ridge on west side of Sombrero Canyon at the western edge of the forest 792 Comment
  UCR48376  Lonicera subspicata var. johnstonii Steve Boyd 1986-5-7 1831 Riverside Peninsular Range, Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, south of Hwy I-15 366 Comment
  RSA583362  Lotus argophyllus Steve Boyd, Darin Banks 1995-4-5 8418 -B Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the eastern edge of the Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary. 579 Comment
  RSA583817  Lotus argophyllus var. argophyllus Steve Boyd, Darin Banks 1995-4-6 8463 San Diego Palomar Range, Agua Tibia Wilderness Area, northeastern flank of Agua Tibia Mountain, main trunk of Arroyo Seco from the Wilderness boundary south to the confluence with the major tributary from the west, at the north base of Eagle Crag. 854 Comment
  RSA561596  Lotus crassifolius var. crassifolius Steve Boyd 1993-5-24 8165 Los Angeles Ridgeline SE of saddle leading to May Peak 1097 Comment
  RSA522778  Lotus hamatus Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3885 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  RSA678443  Lotus hamatus Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10499 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  RSA552712  Lotus heermannii Steve Boyd, T. S. Ross, Orlando Mistretta 1992-2-25 6681 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Tril from junction 7S04 & 7S01 upstream to southern end of Potrero de la Cienega, but primarily about Tenaja Falls. 396 Comment
  RSA575844  Lotus heermannii Steve Boyd 1982-11-2 s.n. Riverside Gavilan Hills region, Temescal Canyon at the confluence of Estelle Creek and Temescal Creek, at the northern end of the entrenched meander of Temescal Creek at the western base of Estelle Mountain 329 Comment
  UCR48479  Lotus humistratus Steve Boyd 1986-4-2 1586 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR99354  Lotus humistratus Steve Boyd, A. C. Sanders, R. T. Hawke, Shaun Hawke, , S. Hobbs, P. Hobbs 1997-4-20 9550 Kern San Emigdio Range, Pleito Hills, San Emigdio Ranch, ridge on W side of Pleito Canyon, c. 4.5 air mi due north of Antimony Peak 1220 Comment
  RSA518045  Lotus oblongifolius Steve Boyd, Dave Bramlet, Bob Boyd 1986-6-9 1889 Tulare Chimney Creek Canyon, side canyon south of peak 7155, S of Chimney Meadow. 1738 Comment
  RSA515486  Lotus procumbens var. jepsonii Steve Boyd, Dave Bramlet, Bob Boyd 1986-6-9 1880 Tulare Chimney Creek Canyon, side canyon So. Peak 7155 south of Chimney Creek Meadow. Comment
  UCR21848  Lotus purshianus Steve Boyd 1980-7-16 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, west edge of the reserve c. 1/4 mile north of the Motte's house 520 Comment
  UCR160037  Lotus salsuginosus Steve Boyd, V. Arvizu 2004-6-8 11510 Ventura Transverse Ranges; Mount Pinos region, Topa Topa Mountains, Tar Creek, east of its confluence with Sespe Canyon near point where stream is crossed by Tar Creek Road trail 610 Comment
  RSA599687  Lotus salsuginosus var. salsuginosus Steve Boyd, Lauren Raz 1997-5-6 9705 Los Angeles Liebre Mountains region: San Francisquito Canyon, west side of canyon at eastern end of Red Mountain ridge system, just north of confluence with Bee Canyon and 1.5 miles by road south of the Clearwater Canyon Truck Trail 6N24. 610 Comment
  RSA701050  Lotus scoparius Steve Boyd, Amber Maurice 2004-5-18 11340 Los Angeles Elizabeth Lake Canyon at and just upstream from confluence with Ruby Canyon, between Warm Springs Mountain and Red Mountain. 610 Comment
  UC1929589  Lotus scoparius var. brevialatus Steve Boyd 2007-4-20 11725 Riverside Peninsular Ranges; Perris-Aguanga Basin region; Southeastern end of the Gavilan Hills, north of Warm Springs Valley at upper end of ''Walsh Canyon,'' ca. o.5 miles from junction with Lindel (aka Stovepipe) Road, on southwest facing slope just above old Melia azedarach and across from driveway leading t 549 Comment
  RSA485351  Lotus strigosus Steve Boyd 1987-4-14 2037 Los Angeles Rincon - Red Box Rd. S. of Rincon Forest Station, N. of Glendora Comment
  RSA559435  Lotus strigosus Steve Boyd 1992-4-15 6857 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  RSA571312  Lotus strigosus Steve Boyd, Darin Banks 1994-4-5 8261 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero. Comment
  RSA571502  Lotus strigosus Steve Boyd, T. S. Ross 1994-3-29 8235 San Diego Southwestern Cyamaca Mountians, Clevland National Forest, southwest slope of Poser Mountain, at northern edge of Viejas Grande and Conejos Valley Road. 762 Comment
  UCR160321  Lotus strigosus Steve Boyd, T. S. Ross 1992-4-29 7110 San Diego Peninsular Range; Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area. E flank of San Mateo Canyon, along the Clark Trail the canyon bottom to the crest of the ridge dividing Cold Spring and San Mateo Canyons 518 Comment
  RSA523473  Lotus strigosus var. strigosus Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4033 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR151730  Lotus strigosus var. strigosus Steve Boyd, Lisa Rojas 2004-5-26 11404 San Diego Cuyamaca-Laguna Mtns, In-Ko-Pah Mtns, western flank of Thing Valley, northeast of transit station Posta, Cleveland National Forest along forest service road 1463 Comment
  RSA543902  Lotus wrangelianus Steve Boyd 1991-5-20 6267 Riverside Temescal Canyon, S flank of Alberhill Mtn, W end adjacent to old clay mine area. 426 Comment
  RSA599705  Lotus wrangelianus Steve Boyd, Lauren Raz, T. S. Ross 1997-4-1 9453 Los Angeles Liebre Mountains region: Upper watershed of Osito Canyon between Interstate 5 and the Old Ridge Route, vicinity of Osito Flat, a distinctive, open grassy break in slope under the high tension power lines. 793 Comment
  RSA611628  Lotus wrangelianus Steve Boyd, Valerie Soza, Mike Kinney, J. Mark Porter 1998-3-24 10110 Los Angeles Plum Canyon southwest of Cruzan Mesa along Arline Road ca 2 miles west of junction with Sierra Highway in Mint Canyon. 609 Comment
  UC1595620  Lotus wrangelianus Steve Boyd 1991-5-20 6267 Riverside s flank Alberhill Mtn. (w end adjacent to old clay mine area); Temescal Cyn 426 Comment
  RSA496358  Lupinus agardhianus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-19 3032 Riverside Vail Lake area, 0.5 mi WNW of dam, clay soil deposits on dissected bench, S flank Oak Mountain. 488 Comment
  RSA725340  Lupinus andersonii Steve Boyd, Carol Boyd 2007-9-16 11763 Inyo Rock Creek Lake Drainage, Kenneth Lake, on Tamarack Bench west of Wheeler Ridge and East Fork of Rock Creek. 3140 Comment
  RSA517839  Lupinus arizonicus Steve Boyd, Orlando Mistretta 1986-3-13 1469 Riverside West side Palen Mts.: NE of Desert Center. Comment
  UC1563076  Lupinus arizonicus Steve Boyd, Orlando Mistretta 1986-3-13 1463 Riverside ne Desert Center (West side Palen Mts.); West Side Palen Mts., ne of Desert Center Comment
  UC1871201  Lupinus bicolor Steve Boyd, Walter Appleby 1993-4-8 7970 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Devil Canyon from road 8S01 downstream to vicinity of Mud Spring. 670 Comment
  RSA561785  Lupinus bicolor subsp. marginatus Steve Boyd 1992-4-14 6843 Riverside San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail 341 Comment
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Mar 23 2007
  RSA562462  Lupinus bicolor subsp. marginatus Steve Boyd, T. S. Ross 1992-5-5 7229 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail 732 Comment
  RSA593445  Lupinus bicolor subsp. marginatus Steve Boyd 1996-4-24 8646 Los Angeles Liebre Mountains, northwestern base of the range at the extreme southeastern end of Peace Valley along Angeles National Forest Road 8N01 6.7 road miles from jtn with 8N05 and ca 1.0 road mile from West Branch California Aqueduct. 1098 Comment
  RSA359881  Lupinus bicolor subsp. microphyllus Steve D. Boyd 1986-4-2 1599 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA526597  Lupinus bicolor subsp. microphyllus Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4181 Los Angeles San Clemente Island: Upper reaches of China Canyon, S end of island, W side. Comment
  RSA527750  Lupinus bicolor subsp. microphyllus Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4316 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  SBBG96754  Lupinus concinnus S. Boyd with T. Ross, L. Arnseth 1990-4-7 4281 Los Angeles lower half of China Cyn, sand dunes at cyn mouth Comment
  SD152849  Lupinus concinnus Steve Boyd, Tim Ross 1992-5-4 7198 Riverside San Mateo Canyon Wilderness Area; Oak Flats area east of Verdugo Potrero. 730 Comment
  UCR51927  Lupinus concinnus Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2117 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  UCR60918  Lupinus concinnus Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3166 Riverside Peninsular Range, Vail Lake area; hills just to SW of the dam 488 Comment
  RSA559939  Lupinus concinnus subsp. concinnus Steve D. Boyd 1992-4-18 6890 Riverside Buck Mesa, S of Lake Skinner, 1.8 mi E of main entrance rd to lake along Borell Rd. Comment
  UC1929768  Lupinus concinnus subsp. concinnus Steve Boyd, Heidi Bigelow 2004-4-5 10834 San Diego Peninsular Ranges; Cuyamaca-Laguna Mountains region; Pine Hills area, between Magee Flat and Deadman Flat along Eagle Peak Rd. Comment
  RSA395898  Lupinus densiflorus var. lacteus Steve D. Boyd 1986-4-22 1763 Riverside Temescal Canyon; W side of Indian Wash, S of I-15 Comment
  RSA507949  Lupinus excubitus var. austromontanus Steve D. Boyd 1988-5-28 2268 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  SBBG133730  Lupinus excubitus var. austromontanus S. Boyd, M. Denslow, A. Maurice, S. Swartzentruber, A. Virgen 2003-6-27 10524 Tulare Chimney Peak Recreation Area, summit of northern high point on Bear Mtn 2509 Comment
  UC1929453  Lupinus formosus var. formosus Steve Boyd, Michael Denslow, Amber Maurice, Sarah Swartzentruber, Aydee Virgen 2003-6-27 10529 Tulare Sierra Nevada; Southern Sierra Nevada region; Chimney Peak Recreation Area, summit of northern high point on Bear Mountain (Bear Peak). 2509 Comment
  RSA522743  Lupinus hirsutissimus Steve D. Boyd 1990-3-29 3850 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  SEINET8152400 Image available Lupinus hirsutissimus S. Boyd 1990-1 3850 Unknown Comment
  SD136844  Lupinus latifolius var. parishii Steve Boyd 1992-4-15 6851 Riverside Santa Ana Mountains, San Mateo Canyon wilderness Area, Bluewater Canyon along Bluewater Tr. Downstream to the confluence with San Mateo Creek 334 Comment
  RSA599453  Lupinus microcarpus Steve Boyd, Lauren Raz, T. S. Ross 1997-4-1 9477 Los Angeles Liebre Mountains region: Upper watershed of Osito Canyon between Interstate 5 and the Old Ridge Route, vicinity of Osito Flat, a distinctive, open grassy break in slope under the high tension power lines. 793 Comment
  SD215538  Lupinus microcarpus var. microcarpus Steve Boyd, Lauren Raz & Timothy S. Ross 1997-4-1 9477 Los Angeles Upper watershed of Osito Canyon between Interstate 5 and the Old Ridge Route, vicinity of Osito Flat, a distinctive, open grassy break in slope under the high tension power lines 792 Comment
  SEINET10488984  Lupinus sparsiflorus Boyd 1987-4-14 BOYD 2057 Los Angeles San gabriel mts., Ridge between pine mtn. And silver mtn. S of rincon - red box Rd., N of glendora. Firebreak in chaparral and burned chaparral. Erect annual, Fls. Blue. Common Comment
  SEINET12898764 Image available Lupinus sparsiflorus S. D. Boyd 1990-1 4561 Unknown Comment
  RSA395351  Lupinus sparsiflorus subsp. sparsiflorus Steve D. Boyd 1986-4-22 1747 Riverside Temescal Canyon; Stable alluvial benches of Indian wash just S of I-15. Comment
  RSA479512  Lupinus sparsiflorus subsp. sparsiflorus Steve Boyd 1987-4-14 2057 Los Angeles San Gabriel Mountains, ridge between Pine Mtn. and Silver Mtn. S. of Rincon - Red Box Rd, N of Glendora. Comment
  RSA569962  Lupinus sparsiflorus subsp. sparsiflorus Steve D. Boyd, A. R. Roos, W. Appleby 1993-3-19 7856 San Bernardino North base of Old Women Mountains, south of Essex, eastern Mojave Desert; Honeymoon Wash along Willow Springs road, 0.5 miles west of Sunflower Springs Road ('Cross-fire Camp'). 1000 Comment
  RSA572982  Lupinus sparsiflorus subsp. sparsiflorus Steve D. Boyd 1986-4-22 1733 Riverside Temescal Canyon: Walker Canyon area, where Alberhill Creek (=Temescal Creek) flows between Alberhill Mtn. and Gavilan Hills. Comment
  RSA526573  Lupinus sparsiflorus subsp. sparsiflorus Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-4-7 4281 Los Angeles San Clemente Island, lower half of China Cyn, S end of Island, W side. Comment
  RSA501016  Lupinus succulentus Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3135 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  RSA522732  Lupinus succulentus Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3837 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  RSA501042  Lupinus truncatus Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3163 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA583371  Lupinus truncatus Steve Boyd, Darin L. Banks 1995-4-5 8427 Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the eastern edge of the Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary. 579 Comment
  HSC66147  Luzula comosa D. Boyd, M. Eichelberger, Tim Messick, T. A. Ranker 1980-5-3 48 Trinity Philpot Creek Campground. 808 Comment
  CAS-BOT-BC176674  Lycium andersonii Steve Boyd; Tammy Morgan; Aydee Virgen; Sarah DeGroot; Valentin Arvizu; Tim Thibault 2004-5-14 11266 Imperial Colorado Desert; Chocolate-Chuckwalla Mountains region: Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 570 Comment
  CAS-BOT-BC231413  Lycium andersonii Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2178 Riverside Palen Pass at the N. end of the Palen Mtns. 500 Comment
  CAS-BOT-BC233422  Lycium andersonii S. Boyd; D. Charlton; L. Arnseth; S. Meury; D. Nordin; R. Noyes; T. Ross 1988-4-8 1619 San Bernardino South Side of Ord Mtn. North of Lucerne Valley, 10 miles N of the Bear Valley Road on Camp Rock Road 1371 Comment
  OBI70077  Lycium andersonii S. Boyd, D. Charlton, L. Arnseth, S. Meury, D. Nordin, R. Noyes, T. Ross 1988-4-8 1619 San Bernardino S side of Ord Mt N of Lucerne Valley. 10 mi N of the Bear Valley rd on Camp Rock rd 1372 Comment
  RSA480089  Lycium andersonii Steve D. Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2178 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  RSA491627  Lycium andersonii Steve D. Boyd, D. Charlton, L. Arnseth, S. Meury, D. Nordin, Richard Noyes, T. S. Ross 1988-4-8 1619 San Bernardino South side of Ord Mtn. N of Lucerne Valley. 10 miles N of the Bear Valley Rd. on Camp Rock Rd. 1372 Comment
  RSA594353  Lycium cooperi Steve D. Boyd, Lauren Raz 1996-10-14 9060 Los Angeles Liebre Mountains region, near the head of Soledad Canyon, just north of the confluence of Kentucky Springs Canyon, strip of undeveloped land between Sierra Highway and Highway 14, just west of Vincent Fire Station. 939 Comment
  RSA526647  Lyonothamnus floribundus subsp. aspleniifolius Steve D. Boyd, Tim S. Ross, Laurel Arnseth 1990-4-7 4207 Los Angeles San Clemente Island, lower half of China Cyn, S end of Island, W side. Comment
  UCR124135  Lythrum californicum Steve Boyd 1989-7-7 3766 Riverside Peninsular Range, Upper Temscal Canyon at SE end of Alberhill Mtn. south of I-15 at Nichols Rd. exit 381 Comment
  UCR138865  Machaeranthera canescens subsp. canescens Steve Boyd, Pesach Lubinsky 1998-8-10 10269 San Bernardino San Bernardino Mountains, NW flank of Sugarlump (a.k.a. Bear Mountain), head of Deer Canyon 2585 Comment
  SD230176  Madia elegans subsp. wheeleri Steve Boyd, Laura Moore, Mike Wall 1997-7-24 10021 B Los Angeles Liebre Mountains Region: Summit of Liebre mountain, saddle between Richardson and Bear canyons, along Forect Service Road (7N23), 0.05 miles east of junction with road to Bear Gulch Camp (7N23A). 1646 Comment
  RSA561015  Madia exigua Steve Boyd, Timothy S. Ross 1992-5-4 7195 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  RSA561886  Madia exigua Steve Boyd, Timothy S. Ross 1992-6-10 7642 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about Potrero Escondido, an isolated area of low relief topping the ridge system due west of the junction on Tenaja Road (7S01) and Los Alamos Road (7S04)., At the confluence of Los Alamos Creek with the main trunk of San Mateo Creek. 671 Comment
  RSA771875  Madia exigua Steve Boyd 2010-6-9 12294 San Diego Head of Mud Creek, a tributary of Devil Canyon; along Margarita Peak Road (8S01) southwest of Sky Ranch 732 Comment
  SEINET4208594  Madia exigua Steve Boyd, Tim Ross 1992-6-4 7579 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Southeastern edge of wilderness in upper Devil Canyon drainage, northwest of Sky Ranch.; 0 701 Comment
  UC1608211  Madia exigua Steve Boyd and Tim Ross 1992-6-10 7642 Riverside due w junction of Tenaja Road (7S01) and Los Alamos Road (7S04) (at confluence of Los Alamos Creek & main trunk of San Mateo Creek, San Mateo Canyon about Potrero Escondido, isolated area of low relief top the ridge); Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 670 Comment
  RSA559457  Madia gracilis Steve Boyd, Timothy S. Ross 1992-5-4 7210 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, Oak Flats area east of Verdugo Potrero 732 Comment
  RSA562441  Madia gracilis Steve Boyd, Timothy S. Ross 1992-5-6 7263 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, Oak Flat area, near Lucas Canyon Trail 762 Comment
  UC1928662  Madia gracilis Steve Boyd, Tammy Morgan 2004-5-11 11201 Ventura Transverse Ranges; Mount Pinos region; Topa Topa Mountains, east of Sespe Canyon near upper end of Tar Creek Road (and trail). Comment
  RSA485418  Mahonia nevinii Steve Boyd, David Kelly 1986-6-20 1959 Los Angeles San Francisquito Cyn at LADWP pump station #2. Comment
  UCR58854  Malacothamnus densiflorus Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3546 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, pond and freshwater marsh in Kolb Creek, just south of the lake Comment
  RSA543604  Malacothamnus densiflorus var. densiflorus Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6136 Riverside Santa Ana Mountains, S side of Elsinore Peak. 1037 Comment
  UCR77572  Malacothamnus densiflorus var. densiflorus Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6127 Riverside SE end of Gavilan Hills, east of Arroyo del Toro, north-facing slope of low hill 488 Comment
  SD122921  Malacothamnus fasciculatus Steve Boyd 1985-7-23 1026 Riverside De Luz Rd. 9.8 miles west of Rancho California Along road in area of woodland 244 Comment
  UCR21991  Malacothamnus fasciculatus Steve Boyd 1980-7-12 326 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UC1929351  Malacothamnus fremontii Steve Boyd, Michael Denslow, Amber Maurice, Sarah Swartzentruber, Aydee Virgen 2003-6-27 10557 Tulare Sierra Nevada; Southern Sierra Nevada region; Chimney Peak Recreation Area, summit of northern high point on Bear Mountain (Bear Peak). 2509 Comment
  UC1929773  Malacothamnus fremontii Steve Boyd, Michael Denslow, Amber Maurice, Sarah Swartzentruber, Aydee Virgen 2003-6-27 10557 Tulare Sierra Nevada; Southern Sierra Nevada region; Chimney Peak Recreation Area, summit of northern high point on Bear Mountain (Bear Peak). 2509 Comment
  RSA599618  Malacothrix californica Steve Boyd, Lauren Raz 1997-4-16 9512 Los Angeles Liebre Mountains region: Northwest end of the range, Peace Valley due south of the junction of Interstate 5 and Highway 138, and east of Copco Road along narrow paved road which is the continuation of Forest Service road 8N01. 960 Comment
  RSA501062  Malacothrix clevelandii Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3179 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA559345  Malacothrix clevelandii Steve Boyd, Timothy S. Ross 1992-5-15 7397 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 671 Comment
  RSA701392  Malacothrix clevelandii Steve Boyd, LeRoy Gross 2004-5-4 11162 San Diego Hills north of Warner Springs, north Indian Flats Campground of Cleveland National Forest along Road 9S05. 899 Comment
  RSA703102  Malacothrix clevelandii Steve Boyd, Naomi Fraga 2004-4-27 11004 San Diego Warner Springs area, rolling terrain near the Pacific Crest Trail, south of Highway 79 and west of the Warner Springs resort. 898 Comment
  UC1719682  Malacothrix clevelandii Steve Boyd, Naomi Fraga 2004-4-27 11004 San Diego Peninsular Ranges; Anza Bench region; Warner Springs area, rolling terrain near the Pacific Crest Trail, south of Highway 79 and west of the Warner Springs resort. 898 Comment
  RSA486625  Malacothrix glabrata Steve Boyd, Laurel Arnseth, Sara Meury, D. Nordin, Richard Noyes, Timothy S. Ross 1988-4-8 1729 San Bernardino South side of Ord Mtn. N of Lucerne Valley. 10 miles N of the Bear Valley Rd. on Camp Rock Rd. 1372 Comment
  RSA517816  Malacothrix glabrata Steve Boyd, Orlando Mistretta 1986-3-13 1433 Riverside Palen Mountains; NE of Desert Center, jct. of Parker Dam Rd. and Palen Rd. (road going through pas between Palen and Granite Ranges). 244 Comment
  RSA517926  Malacothrix glabrata Steve Boyd, B. Roy, Thomas S. Elias, Sara Meury, S. Zona 1986-3-5 1354 Riverside Hwy 195, N base of the Orocopia Mts., halfway between I-10 & Box Canyon. Comment
  RSA517997  Malacothrix glabrata Steve Boyd, Orlando Mistretta 1986-3-31 1522 Los Angeles Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. Comment
  UCR148523  Malacothrix glabrata Steve Boyd, Michael Denslow 2004-3-23 10597 San Bernardino Central Mojave Desert, Lavic Mountain, southern end of the Cady Mountains northwest of Ludlow (north of Interstate 40) along powerline/pipeline access road Comment
  UCR51842  Malacothrix glabrata Steve Boyd, C. Boyd 1987-4-12 2013 Inyo Northern Mojave Desert, S end of Greenwater Valley, 0.3 mile NW of junction with Hwy 178, 2 miles west of Shoshone 649 Comment
  UCR37450  Malacothrix saxatilis Steve Boyd 1981-4-29 s.n. Riverside Gavilan Hills, Arroyo del Toro [Bull Canyon] Comment
  RSA501072  Malosma laurina Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3190 Riverside Vail Lake Area, W end of bench on S flank of Oak Mountain. 548 Comment
  RSA543128  Malosma laurina Steve Boyd 1991-3-17 5470 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  SD136942  Malosma laurina Steve Boyd, Tim Ross 1992-6-9 7620 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper souther flank of Miller Mountain to the west of Miller Canyon 730 Comment
  UCR38238  Malva nicaeensis Steve Boyd 1980-4-23 s.n. Riverside Intersection of Jurupa Road and Galena Road, Glen Avon Comment
  RSA523965  Marah macrocarpa Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4011 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA526614  Marrubium vulgare Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 s.n. Los Angeles San Clemente Island, lower half of China Cyn, S end of Island, W side. Comment
  RSA562439  Marrubium vulgare Steve Boyd, T. S. Ross 1992-5-6 7265 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness area. Verdugo Potero, near the Verdugo Trailhead. 732 Comment
  RSA544437  Marsilea vestita Steve Boyd, Timothy S. Ross, David Zippin, Tom Oberbauer 1991-6-14 6344 Riverside Skunk Hollow area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aquaduct. Comment
  RSA599659  Matricaria matricarioides Steve Boyd, Lauren Raz 1997-5-1 9677 Los Angeles Liebre Mountains Region: Sierra Pelona ridgeline, about 1.5 miles west of Mt. McDill and 1.3 miles south-southeast of Lincoln Crest, the head of Bouquet Canyon. 1463 Comment
  RSA524225  Meconella denticulata Steve Boyd, Tim S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4019 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  SBBG96680  Medicago polymorpha S. Boyd with T. Ross, L. Arnseth 1990-4-7 4269 Los Angeles lower half of China Cyn Comment
  UCR37473  Medicago polymorpha Steve Boyd 1981-4-10 s.n. Riverside Gavilan Hills, Gavilan Hills, section 34, where road crosses stream [SE of Gavilan Springs Ranch] 640 Comment
  RSA526164  Medicago polymorpha Steve Boyd, T. S. Ross 1990-5-11 4667 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  RSA526531  Medicago polymorpha Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-4-7 4269 Los Angeles San Clemente Island: lower half of China Cyn, S end of island, W side. Comment
  CDA4228  Medicago sativa Steve Boyd, T. S. Ross 1989-5-1 3585 San Bernardino San Gabriel Mtns.; City of Ontario, E side of Milliken Ave., just N of entrance to County landfill in abandoned vineyard. 0 Comment
  OBI37483  Medicago sativa Steve Boyd 1985-7-23 1007 Riverside De Luz Rd, 5.5 mi W of Rancho Calif 396 Comment
  RSA560500  Medicago sativa Steve D. Boyd, Tim S. Ross, M. Wall 1992-6-2 7513 San Diego Southern Santa Ana Mts., San Mateo Canyon Wilderness Area. Devil Canyon from confluence with ""Miller Creek"" downstream approximately one mile. 487 Comment
  UCR200327  Melia azedarach Steve Boyd 2007-4-20 11723 Riverside Peninsular Ranges: Perris-Aguanga Basin, southeastern end of the Gavilan Hills, north of Warm Springs Valley at upper end of 'Walsh Canyon,' c. 0.5 mi from junction with Lindel (aka Stovepipe) Road, on southwest facing slope just above old Melia adzedarach and across from driveway leading to 26875 Walsh Road 549 Comment
  RSA526493  Melica frutescens Steve Boyd, Timothy S. Ross 1990-5-11 4689 A Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  RSA543166  Melica frutescens Steve Boyd, Timothy S. Ross, M. Hammitt 1991-5-2 6096 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  CAS-BOT-BC281537  Melica imperfecta Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-8 4289 Los Angeles San Clemente Island. E side of island, near Malo Pt, first canyon S of Bryce Canyon Comment
  CAS-BOT-BC281641  Melica imperfecta Steve Boyd; LeRoy Gross 2004-5-4 11116 San Diego Peninsular Ranges: Anza Bench region: Hills N of Warner Springs, N Indian Flats Campground of Cleveland National Forest along Road 9S05 899 Comment
  RSA526625  Melica imperfecta Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-7 4215 Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  RSA599580  Melica imperfecta Steve Boyd, Lauren Raz 1997-3-25 9307 Los Angeles Liebre Mountains region: Upper end of broad alluvial valley at head of Cienaga Canyon, southern base of Liebre Mountain, at end of dirt road leading 1 km northeast of Knapp Ranch. 1097 Comment
  UCR147809  Melica imperfecta Steve Boyd, Amber Maurice 2004-5-18 11328 Los Angeles Transverse Ranges; Liebre Mountains region, Elizabeth Lake Canyon at and just upstream from confluence with Ruby Canyon, between Warm Springs Mountain and Red Mountain 610 Comment
  UCR71168  Melica imperfecta Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4289 Los Angeles Channel Islands, San Clemente Island: E side of the island, near Malo Point, first canyon south of Bryce Canyon Comment
  RSA479528  Melica stricta Steve Boyd, Laura Kopase 1987-6-8 2072 Los Angeles San Gabriel Mtns, 5 miles WNW of Wrightwood in Cedar Canyon near Jct. with Mescal Creek. 1524 Comment
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Sep 17 2014
  UCR147707  Melilotus indicus Steve Boyd, Aydee Virgen 2004-4-13 10878 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  RSA535486  Melilotus indicus Steve D. Boyd, Tim S. Ross, Orlando Mistretta 1992-2-2 6634 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Upper San Mateo Canyon between confluence of Tenaja Canyon and Los Alamos Canyon Comment
  UCR151229  Menodora spinescens Steve Boyd, Et al. 2004-10-13 11574 San Bernardino Eastern Mojave Desert, [SE] end of the Mescal Mtns, south of Clark Mountain and Interstate 15, [SE] of Mountain Pass 1600 Comment
  RSA595023  Mentha aquatica Steve Boyd, Lauren Raz 1996-10-8 8988 Los Angeles Liebre Mountains region, Bouquet Canyon ca. 1.7 miles south of junction with Forest Service Road 6N08. 561 Comment
  RSA575934  Mentha spicata Steve Boyd 1994-10-14 8395 Riverside Southern Santa Ana Mts., San Mateo Canyon Wilderness Area of the Cleveland National Forest. San Mateo Canyon, steep rocky slope and bedrock pools in canyon bottom upstream from the confluence with Bluewater Canyon. 317 Comment
  SD136815  Mentha spicata var. spicata Steve Boyd 1994-10-14 8395 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest. San Mateo Canyon, steep rocky slope and bedrock pools in canyon bottom upstream from the confluence with Bluewater Canyon. 316 Comment
  RSA584946  Mentzelia Steve Boyd, M. Doyle, B. Roy, S. Meury 1986-4-12 1651 San Bernardino Lucerne Valley, just E of Rabbit Dry Lake, off Hwy. 18. Comment
  RSA611295  Mentzelia affinis Steve Boyd 1998-4-1 10147 Kern Mojave Desert: North flank of Castle Butte east of California City, and adjacent flats along extension of Proctor Blvd., ca. 2.7 miles east of junction with South College Blvd. 700 Comment
  RSA725661  Mentzelia affinis Steve Boyd, Michael Denslow 2004-3-23 10620 San Bernardino Lavic Mountain, southern end of the Cady Mountains northwest of Ludlow (north of Interstate 40) along powerline/pipeline access road. Comment
  RSA695616  Mentzelia dispersa Steve Boyd, Michael Denslow, Amber Maurice, Sarah Swartzentruber, Aydee Virgen 2003-6-27 10580 Tulare Chimney Peak Recreation Area, summit of northern high point on Bear Mountain (Bear Peak). 2509 Comment
  RSA678362  Mentzelia involucrata Steve Boyd, Amber Maurice, Pesach Lubinsky, Lel Lubinsky 2003-4-17 10503 Riverside West side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains. Comment
  OBI70604  Mentzelia micrantha Steve Boyd, Lauren Raz, Timothy S. Ross 1997-4-1 9459 Los Angeles Liebre Mts Region: Upper watershed of Osito Cyn between I-5 and the Old Ridge Rte, vicinity of Osito Flat, a distinctive, open grassy break in slope under the high tension power lines. T6N R17W, SE 3/4 sec 7 914 Comment
  UC1929763  Mentzelia micrantha Steve Boyd, Tammy Morgan 2004-5-11 11172 Ventura Transverse Ranges; Mount Pinos region; Topa Topa Mountains, east of Sespe Canyon near upper end of Tar Creek Road (and trail). Comment
  RSA507948  Mentzelia montana Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2266 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. 1500 Comment
  UCR51971  Mentzelia obscura Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2113 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  RSA0012248  Mentzelia veatchiana Steve Boyd, C. Boyd 1987-4-12 1990 Inyo North end of Greenwater Valley, 3.2 miles S of Dante's View Road, just outside Death Valley National Monument area. Comment
  RSA395915  Mentzelia veatchiana Steve Boyd 1986-4-20 1722 Riverside Gavalin Hills-Gavalin Hills: Harford Springs Co. Park. Comment
  RSA599613  Mentzelia veatchiana Steve Boyd, Lauren Raz 1997-4-16 9507 Los Angeles Liebre Mountains region: Lower Apple Canyon, due east of the confluence of Canada de Los Alamos (Lower Hungry Valley) and Peace Valley and Interstate 5. 854 Comment
  CAS-BOT-BC435292  Mesembryanthemum nodiflorum Steve Boyd 1986-4-19 1713 Riverside Temescal Canyon: Warm Springs Valley. Alkali flats along Alberhill Creek drainage E of Nichols Rd. Comment
  UCR48524  Mesembryanthemum nodiflorum Steve Boyd 1986-4-19 1713 Riverside Peninsular Range, Temescal Canyon, Warm Springs Valley, Alberhill Creek east of Nichols Road 366 Comment
  RSA527631  Microseris heterocarpa Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-8 4386 a Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  RSA501038  Microseris lindleyi Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3159 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA599287  Microseris lindleyi Steve Boyd, Lauren Raz 1997-3-31 9423 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 914 Comment
  UCR148186  Microseris lindleyi Steve Boyd, Naomi Fraga 2004-4-27 10990 San Diego Peninsular Ranges; Anza Bench region, hills north of Warner Springs, south of Indian Flats Campground of Cleveland National Forest along Road 9S05 Comment
  RSA592852  Microsteris gracilis Steve Boyd, Orlando Mistretta 1996-5-1 8743 Los Angeles Liebre Mountains, Sawmill Mountain, upper slopes and summit at head of Heryford Canyon, east of the junction of 7N23 and 7N08. 1524 Comment
  RSA598112  Microsteris gracilis Steve Boyd, Lauren Raz 1997-3-4 9160 Los Angeles Liebre Mountains region, summit of Portal Ridge near the head of Broad Canyon, west of Troedel Spring, at the intersection of the Juday Truck Trail (7N07) and Broad Canyon Motorway (7N07A). 1316 Comment
  RSA599502  Microsteris gracilis Steve Boyd, Lauren Raz 1997-3-26 9327 Los Angeles Liebre Mountains region: Portal Ridge north of Lake Hughes, upper end of Myrick Canyon drainage along Lakeview Road. 1097 Comment
  LA51919  Mimulus aurantiacus Leo Boyd; 1953-3-25 sn Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. Faculty Hill (Veteran Ave and Sunset Blvd). 160 Comment
  RSA701946  Mimulus aurantiacus Steve Boyd, Valentin Arvizu 2004-6-8 11502 Ventura Topa Topa Mountains, Tar Creek, east of its confluence with Sespe Canyon near point where stream is crossed by Tar Creek Road trail. 610 Comment
  UCR199825  Mimulus aurantiacus Steve Boyd, Amber Maurice 2004-5-18 11341 Los Angeles Transverse Ranges; Liebre Mountains region, Elizabeth Lake Canyon at and just upstream from confluence with Ruby Canyon, between Warm Springs Mountain and Red Mountain 610 Comment
  UCR148192  Mimulus aurantiacus var. pubescens Steve Boyd, LeRoy Gross 2004-5-4 11138 San Diego Peninsular Ranges; Anza Bench region, hills north of Warner Springs, north Indian Flats Campground of Cleveland National Forest along Road 9S05 899 Comment
  RSA559464  Mimulus aurantiacus var. puniceus Steve Boyd, Tim S. Ross 1992-5-5 7213 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 732 Comment
  UCR21164  Mimulus aurantiacus var. puniceus Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  UCR148511  Mimulus bigelovii var. bigelovii Steve Boyd, Tammy Morgan 2004-6-1 11451 San Bernardino Eastern Mojave Desert, Clark Mountain, west flank of the range in large canyon south of Pachalka Spring 1800 Comment
  HSC85254  Mimulus brevipes Steve Boyd 1986-4-22 1737 Riverside Temescal Canyon: Walker Canyon area, where Alberhill Creek (=Temescal Creek) flows between Alberhill Mtn. and Gavilan Hills. Comment
  UCR89473  Mimulus clevelandii Steve Boyd, Chris Frazier 1993-4-24 8010 Riverside Palomar Mtns., Cleveland Nationall Forest, Agua Tibia Wilderness Area. south of Vail lake at the an base of Agua Tibia Mtn, along trail extending S from end of Woodchuck Road. 884 Comment
  RSA600138  Mimulus constrictus Steve Boyd, Lauren Raz 1997-5-29 9919 Los Angeles Liebre Mountains region: Portal Ridge, north of the San Andreas Rift Zone, in the Cow Spring drainage along the Pacific Crest Trail, at point where trail crosses side drainage originating on ridge forming divide with Gookins Dry Lake. 1098 Comment
  RSA523547  Mimulus diffusus Steve Boyd, Tim S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4007 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  SBBG101686  Mimulus floribundus S. Boyd with T. Ross 1991-6-8 6330 Riverside Pinyon Flat area near Ribbonwood, small hill N of St Hwy 74 Comment
  RSA527673  Mimulus floribundus Steve Boyd, Tim S. Ross, L. Arnseth 1990-4-8 4291 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  UCR48341  Mimulus fremontii Steve Boyd 1986-4-22 1751 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  UCR48527  Mimulus fremontii var. fremontii Steve Boyd 1986-4-19 1698 Riverside Peninsular Range, Temescal Canyon, east side of Indian wash between I-15 and Temescal Canyon Road 351 Comment
  RSA526135  Mimulus guttatus Steve Boyd, Tim S. Ross 1990-5-11 4648 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  UCR198369  Mimulus guttatus Steve Boyd, Valentin Arvizu 2008-5-1 11955 Kern Southern Sierra Nevada Range, Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley 1463 Comment
  RSA731425  Mimulus montioides Steve Boyd, Valentin Arvizu 2008-5-1 11933 -A Kern Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley. 1372 Comment
  SBBG101796  Mimulus palmeri S. Boyd 1991-5-10 6207 Riverside Bedford Truck Trail on ridge between Bedford and McBribe Cyns 853 Comment
  UCR67357  Mimulus palmeri Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-2 4007 Riverside Peninsular Range, Vail Lake area, lower slopes of Agua Tibia Mtn. along Hwy 79, east of USFWS Dripping Springs Guard Station 610 Comment
  UCR78098  Mimulus palmeri Steve Boyd 1991-5-10 6207 Riverside Santa Ana Mtns, Lower flank of range along the Bedford Truck Trail on ridge between Bedford and McBribe Canyons 854 Comment
  RSA777152  Mimulus parishii Steve Boyd, Valentin Arvizu 2008-8-20 12011 Kern Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley. 1349 Comment
  RSA701188  Mimulus pilosus Steve Boyd, Naomi Fraga 2004-4-27 10933 -A San Diego Warner Springs area, flats east of gliderport, near the Pacific Crest Trail, south of Highway 79. Comment
  UCR21902  Mimulus pilosus Steve Boyd 1980-5-5 207 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  RSA544424  Mimulus rubellus Steve Boyd, Tim S. Ross 1991-6-8 6329 Riverside Pinyon Flats area near Ribbonwood. White calcareus outcrop forming small hill N of Hwy 74. Comment
  RSA726838  Mimulus rubellus Steve Boyd, Naomi Fraga 2004-4-27 10932 San Diego Warner Springs area, flats east of gliderport, near the Pacific Crest Trail, south of Highway 79. Comment
  CAS-BOT-BC388772  Minuartia douglasii Steve Boyd 1986-4-20 1724 Riverside Gavilan Hills-Gavilan Hills: Harford Springs Co. Park Comment
  CAS-BOT-BC388774  Minuartia douglasii Steve Boyd 1992-4-15 6855 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. downstream to the confluence with San Mateo Creek 487 Comment
  CAS-BOT-BC388655  Minuartia douglasii Steve Boyd; Tim Ross 1988-4-28 2248 Los Angeles West end of San Gabriel Mtns, Sand Canyon E of Saugus. Angeles National Forest 792 Comment
  RSA0026043  Mirabilis jalapa Steve Boyd 1985-8-18 1125 Alameda Fremont, playground of John Blacow Elementary School and adjacent park. Comment
  RSA678385  Mirabilis laevis var. villosa Steve Boyd, Amber Maurice, Pesach Lubinsky, Lel Lubinsky 2003-4-17 10450 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  RSA735402  Mirabilis laevis var. villosa Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11232 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  RSA522320  Modiola caroliniana Steve Boyd 1989-7-28 3790 Riverside City of Riverside, campus of the University of California, Riverside.near N entrance to parking lot across from The Barn Comment
  UCR60840  Mohavea confertiflora Steve Boyd, Orlando Mistretta 1986-3-13 1453 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  UCR101520  Mollugo cerviana Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10050 Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, NW base of the range, south of Eagle Mine Rd exit on Hwy I-10. 427 Comment
  RSA518166  Mollugo cerviana Steve Boyd 1990-10-3 5135 San Bernardino Southeast base of the Granite Mountains W of Kelbaker Road. Comment
  RSA0010770  Mollugo verticillata Steve Boyd, T. S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6342 Riverside Skunk Hollow Area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aqueduct. Comment
  UCR39559  Monardella linoides Steve Boyd 1983-7-25 s.n. San Bernardino San Bernardino Mtns, Near Onyx Summit at Cienaga Seca, west of Hwy 38 2500 Comment
  RSA583468  Monardella macrantha Steve Boyd, Mark A. Elvin 1995-8-3 8527 San Diego Cuyamaca Mtns, Inspiration Point area along Hwy 79, S of Julian, S of pullout of low hill near old homestead. 1433 Comment
  RSA611353  Monolopia lanceolata Steve Boyd 1998-4-1 10129 Los Angeles Liebre Mountains region: Northwest end of the range, Peace Valley due south of the junction of Interstate 5 and Highway 138, and east of Copco Road along narrow paved road which is the continuation of Forest Service road 8N01 960 Comment
  RSA667595  Monolopia lanceolata Steve Boyd, Lee Lenz 2001-5-2 10419 Los Angeles Along Hwy 138, base of hills at edge of westernmost end of the Antelope Valley, just east of the junction with the old Ridge Route. [Latitude should be 34 instead of 36] Comment
  CAS-BOT-BC349815  Monoptilon bellioides Steve Boyd; M. Doyle; B. Roy; S. Meury 1986-4-12 1668 San Bernardino Mojave Desert: Lucerne Valley, just E of Rabbit Dry Lake off Hwy 18 Comment
  RSA388034  Monoptilon bellioides Steve Boyd 1986-2-6 1223 Imperial Cargo Muchacho Mountains, large canyon at SE end of mountains, 5.4 miles NE of I-8 off Sidewinder Rd and Power-line Rd. Comment
  RSA517245  Monoptilon bellioides Steve Boyd, Thomas S. Elias, Erika Winter 1986-2-18 1337 Riverside Shavers Valley, Colorado Desert: Hwy 195 north base of the Orocopia Mountains, halfway between Box Canyon and I-10. Comment
  RSA570376  Monoptilon bellioides Steve Boyd, Timothy S. Ross, Walter Appleby 1993-3-19 7820 San Bernardino Southern base of the Avawatz Range on lower third of alluvial fan below Sheep Creek Springs Canyon 200 Comment
  RSA701447  Monoptilon bellioides Steve Boyd, Michael Denslow 2004-3-23 10594 San Bernardino Lavic Mountain, southern end of the Cady Mountains northwest of Ludlow (north of Interstate 40) along powerline/pipeline access road. Comment
  RSA731059  Monoptilon bellioides Steve Boyd, LeRoy Gross 2008-4-11 11890 Inyo Southwestern base of Dublin Hills at eastern edge of lower Greenwater Valley, west of Shoshone, bajada east of Furnace Creek Wash Road, north and east to lowest rocky slopes and outlying hills. 580 Comment
  UCR218426  Monoptilon bellioides Steve Boyd 2010-4-19 12255 Inyo Mojave Desert; North Mojave Desert region, northwest base of Dublin Hills, south of Hwy 178, northwest of Shoshone 671 Comment
  UCR52233  Monoptilon bellioides Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2126 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  RSA611623  Montia fontana Steve Boyd, Mike Kinney, Chris Pires 1998-3-18 10105 San Diego Santa Ana Mountains: Upper watershed of Devil Canyon, at border of San Mateo Canyon Wilderness Area, ca. 1.25 miles NE of Margarita Peak, along Forest Service Road 8S01, just west of Sky Ranch., Near 33 deg 27' 34.8''N 118 deg 22' 45.5'' W. 725 Comment
  UCR148227  Montia fontana Steve Boyd, LeRoy Gross 2004-5-4 11108 San Diego Peninsular Ranges; Anza Bench region, hills north of Warner Springs, north Indian Flats Campground of Cleveland National Forest along Road 9S05 899 Comment
  RSA0010792  Morus australis Steve Boyd, T. S. Ross 1992-4-28 7092 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Cold Springs Canyon, along Cold Springs Trail from confluence of the north and south branches of canyon downstream to junction of Clark Trail. 488 Comment
  CAS-BOT-BC275316  Muhlenbergia microsperma Steve Boyd 1986-2-6 1233 Imperial Cargo Muchacho Mountains: Large canyon at SE end of mountains, 5.4 miles NE of I-8 off Sidewinder Road and Power-line Road Comment
  RSA517968  Muhlenbergia microsperma Steve Boyd 1990-10-4 5204 San Bernardino Pass between Vontrigger Hills and Hackberry Mountains, E side of Lanfair Rd., 11 miles N of jct. with Goffs Rd. Comment
  RSA525258  Muhlenbergia microsperma Steve Boyd, L. Arnseth, Yvonne Rasmussen, H. Cota 1990-5-3 4571 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 548 Comment
  RSA552746  Muhlenbergia microsperma Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-25 6678 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Tril from junction 7S04 & 7S01 upstream to southern end of Potrero de la Cienega, but primarily about Tenaja Falls. 396 Comment
  UC1584090  Muhlenbergia microsperma Steve Boyd 1990-10-3 5142 San Bernardino se base of mts w Kelbaker Rd.; Granite Mtns Comment
  LA106627  Muhlenbergia minutissima Steve Boyd; 1990-10-4 5213 San Bernardino New York Mountains, upper part of Carruther's Canyon, canyon bottom below Giant Ledge mine Comment
  SEINET10860889  Muhlenbergia minutissima Steve Boyd 1990-10-4 Boyd 5213 San Bernardino New York Mountains, Eastern Mojave Desert. Upper part of Carruther's Cyn on slopes & ridgetops. Granite and limestone w/Pinus monophylla, Quercus turbinella, Boutelloua gracilis, Delicate annual grass, locally abundant in small moist patch of gravel, cyn bottom below Giant Ledge mine. Comment
  RSA518065  Muhlenbergia rigens Steve Boyd 1990-10-4 5215 San Bernardino New York Mountains, Eastern Mojave Desert. Upper part of Carruther's Canyon. Comment
  RSA561420  Muhlenbergia rigens Steve Boyd, Timothy S. Ross, Dave Bramlet 1992-9-9 7689 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek., Up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  UCR198368  Muilla maritima Steve Boyd, Valentin Arvizu 2008-5-1 11940 Kern Southern Sierra Nevada Range, Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley 1463 Comment
  UCR22040  Muilla maritima Steve Boyd 1980-5-11 240 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  RSA612152  Myosurus minimus Steve Boyd, Kent Hughes 1998-5-5 10179 Los Angeles Liebre Mountains region: Portal Ridge, north of the San Andreas Rift Zone, in the Cow Spring drainage along the Pacific Crest Trail. 1159 Comment
  SBBG96840  Myriopteris newberryi S. Boyd with T. Ross, L. Arnseth 1990-4-7 4228 Los Angeles lower half of China Cyn Comment
  RSA522093  Najas marina Steve Boyd, Orlando Mistretta 1989-7-18 3761 Riverside Vail Lake area, along west shore of lake 1/2 mi S of dam. 427 Comment
  RSA735327  Nama demissa var. demissa Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11295 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  RSA544393  Nassella cernua Steve Boyd 1991-5-30 6321 Riverside Winchester Valley, SE end of Double Butte, just N of Winchester, 1/2 mile W of Highway 79 457 Comment
  RSA559474  Nasturtium officinale Steve Boyd, Timothy S. Ross 1992-4-28 7091 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Cold Springs Canyon, along Cold Springs Trail from confluence of the north and south branches of canyon downstream to junction of Clark Trail. 488 Comment
  SD136793  Navarretia atractyloides Steve Boyd, Tim Ross 1992-6-10 7623 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, near the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek 405 Comment
  UCR48406  Navarretia atractyloides Steve Boyd 1986-5-7 1848 Riverside Peninsular Range, Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, south of Hwy I-15 366 Comment
  UCR65297  Navarretia atractyloides Steve Boyd, T. S. Ross 1989-6-24 3753 Riverside Vail Lake area, Along road in shallow canyon on SE flank of 'Little' Oak Mtn, west of Kolb Creek drainage, north of Hwy 79 Comment
  UCR77580  Navarretia fossalis Steve Boyd, D. E. Bramlet 1991-5-13 6229 Riverside Peninsular Range, Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. Vernal pool association in pasture north of Santa Fe Railroad tracks, west of San Diego Aqueduct 457 Comment
  RSA562075  Navarretia hamata Steve Boyd, T. S. Ross 1992-6-9 7598 San Diego Southern Santa Ana Mts., San Mateo Canyon Wilderness Area. Upper southern flank of Miller Mt. to the W of ''Miller Canyon, the principle drainage on the southern flank of the mountain. 671 Comment
  RSA535393  Nemacladus calcaratus Steve Boyd, Dave Bramlet 1986-6-9 1931 Tulare Chimney Creek Canyon, N slope Peak 7155, S Chimney Meadow. 2073 Comment
  HSC85393  Nemacladus longiflorus Steve Boyd 1986-4-19 1700 Riverside Temescal Canyon, E side of Indian wash between I-15 and Temescal Canyon Rd. Comment
  SEINET10458393  Nemacladus longiflorus Boyd 1986-4-19 BOYD 1700 Riverside Temescal Canyon: east side of Indian Wash between I-15 and Temescal Canyon Road Comment
  RSA525253  Nemacladus longiflorus var. breviflorus Steve Boyd, Timothy S. Ross 1990-5-11 4631 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  RSA0126425  Nemacladus longiflorus var. longiflorus Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4516 -a Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  RSA500551  Nemacladus longiflorus var. longiflorus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3600 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  UCR48526  Nemacladus longiflorus var. longiflorus Steve Boyd 1986-4-19 1700 Riverside Peninsular Range, Temescal Canyon, east side of Indian wash between I-15 and Temescal Canyon Road 351 Comment
  UCR49240  Nemacladus longiflorus var. longiflorus Steve Boyd 1986-4-22 1753 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  UCR68864  Nemacladus pinnatifidus Steve Boyd, T. S. Ross 1990-5-11 4705 Riverside Vail Lake area, Cleveland National Forest, N flank and summit of Wild Horse Peak, Agua Tibia Mtns 999 Comment
  RSA562081  Nemacladus ramosissimus Steve Boyd, Timothy S. Ross 1992-5-6 7291 San Diego Southern Santa Ana Mts., San Mateo Canyon Wilderness Area. Southern flank of Miller Mt. about upper portions of 'Miller's Canyon'. The major drainage on the southern flank of the Mt. 701 Comment
  SD152892  Nemacladus ramosissimus Steve Boyd, Tim Ross 1992-5-6 7291 San Diego Southern Santa Ana Mountains, southern flank of Miller Mountain about upper portions of Miller Canyon. 700 Comment
  RSA523514  Nemophila menziesii Steve Boyd, Tim Ross, L. Arnseth 1990-3-30 3973 Riverside Vail Lake area, valley between Black Hills & Rocky Ridge. 701 Comment
  RSA562471  Nemophila menziesii Steve Boyd, Tim Ross 1992-5-6 7275 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. South side of Miller Mountain along Miller Canyon', the major drainage on the southern flank of the mountain., From Road 8S02 upstream to the area of contact between lower granitic and higher basaltic rocks. 640 Comment
  RSA570740  Nemophila menziesii var. integrifolia Steve Boyd, W. Appleby 1993-4-8 7959 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Devil Canyon, vicinity of Mud Spring. 671 Comment
  UCR200725  Nemophila menziesii var. integrifolia Steve Boyd, LeRoy Gross 2004-5-4 11094 San Diego Peninsular Ranges; Anza Bench region, hills north of Warner Springs, north Indian Flats Campground of Cleveland National Forest along Road 9S05 899 Comment
  SEINET3078101 Image available Nicotiana trigonophylla S. Boyd, D. Charlton, L. Arnseth, S. Meury, D. Nordin, R. Noyes, T. Ross 1988-4-8 1615 San Bernardino South Side of Ord Mountain. North of Lucerne Valley. 10 miles N of Bear Valley Rd on Camp Rock Road. 1372 Comment
  HSC66146  Noccaea fendleri subsp. glauca D. Boyd, M. Eichelberger, Tim Messick, T. Ranker 1980-5-3 47 Trinity Philpot Creek Campground. 808 Comment
  RSA660155  Nolina parryi Steve Boyd, Naomi Fraga, Marisa Sripracha, Samantha Tessel, Pesach Lubinsky 2001-8-24 10429 Kern Short Canyon, basin at head of deeply entreched canyon near base of mountain. 1155 Comment
  RSA520934  Oenothera cespitosa subsp. marginata Steve Boyd, Kendall McCulloh 1990-10-7 5288 San Bernardino Gilroy Canyon drainage, E flank Providence Mountains. Comment
  RSA570564  Oenothera laciniata Steve Boyd 1993-6-11 8189 San Bernardino City of Montclair, Mountain Avenue off ramp of Interstate 15 [10?] westbound 300 Comment
  CAS-BOT-BC427456  Oligomeris linifolia Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2128 Riverside N. end Palen Mtns, 2 mi west of Palen Pass 300 Comment
  RSA475297  Oligomeris linifolia Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2128 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  UCR51933  Oligomeris linifolia Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, et al. 1988-3-10 2199 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  UC1979844  Oncosiphon piluliferum Steve Boyd 2006-5-11 11659 Los Angeles Transverse Ranges; San Gabriel Mountains region: Alluvial fan below San Antonion Canyon at southern base of the range, just west of os Angeles / San Bernardino Couty line along north margin of the west-bound 210 Freeway at Monte Vista / Baseline Ave off-ramp. Comment
  RSA615902  Opuntia basilaris Steve Boyd, Valerie Soza, Mitchell Provance, Tasha LaDoux 1998-7-15 10253 San Bernardino Northwest of Holcomb Valley, flats at the upper end of the east fork of Dry Canyon, north of Holcomb Creek and southwest of Furnace Canyon. 2378 Comment
  RSA388331  Opuntia vaseyi Steve Boyd 1986-5-7 1833 Riverside Temescal Canyon: Edge of Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. Comment
  UCR77563  Orcuttia californica Steve Boyd, T. S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6335 Riverside Peninsular Range, Skunk Hollow area, 2 mi east of Murrieta Hot Springs, just west of Second San Diego Aquaduct Comment
  RSA0072123  Orobanche bulbosa Steve Boyd, Tim Ross, Dave Bramlet 1993-5-12 7308 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along Tenaja Road (7S01), 1.3 miles south of junction with Los Alamos Road (7S04). 426 Comment
  UC1534572  Orobanche californica subsp. feudgei Steve Boyd 1983-7-25 San Bernardino San Bernardino Mountains, near Onyx Summit at Cienega Seca, west of Highway 38. Comment
  RSA731206  Orobanche cooperi Steve D. Boyd, LeRoy Gross 2008-4-11 11846 Inyo Southwestern base of Dublin Hills at eastern edge of lower Greenwater Valley, west of Shoshone, bajada east of Furnace Creek Wash Road, north and east to lowest rocky slopes and outlying hills. 580 Comment
  UCR121232  Orobanche fasciculata Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2286 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  HSC66026  Orobanche uniflora D. Boyd, M. Eichelberger, Tim Messick, T. Ranker 1980-4-19 26 Lake Along Walker Ridge Rd., 2.65 mi. S of junction with access road to Indian Valley Dam Comment
  RSA525458  Orthocarpus purpurascens Steve D. Boyd, David E. Bramlet 1990-4-29 4503 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  RSA583631  Osmorhiza brachypoda Steve Boyd, Darin Banks 1995-4-6 8442 San Diego Agua Tibia Wilderness Area, northeastern flank of Agua Tibia Mountain, Arroyo Seco tributary at the north base of Eagle Crag, from the Wildhorse Trail east to the main trunk of Arroyo Seco. 976 Comment
  SD136935  Osmorhiza brachypoda Steve Boyd 1992-4-14 6801 Riverside Santa Ana Mountains, San Mateo Cyn Wilderness Area. Verdugo Trail from Tenaja Trail to Bluewater Trail, upper Bluewater Cyn., S of Sitton Peak Comment
  UCR91633  Osmorhiza brachypoda Steve Boyd, Darin Banks 1995-4-6 8442 San Diego Palomar Range, Agua Tibia Wilderness Area, NE flank of Agua Tibia Mtn, Arroyo Seco tributary at N base of Eagle Crag, from the Wildhorse Trail E to the main trunk of Arroyo Seco 976 Comment
  RSA334625  Oxalis albicans subsp. pilosa Steve Boyd 1985-7-23 1028 San Diego De Luz Creek at crossing of Tenaja Trail, about 0.1 mile west of junction with De Luz Road. 122 Comment
  UCR225156  Oxytheca caryophylloides Steve Boyd, Gary Wallace 2005-7-30 11653 Riverside Peninsular Ranges; San Jacinto Mountains region, San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2683 Comment
  RSA544399  Oxytheca emarginata Steve Boyd, Tim S. Ross 1991-6-8 6326 Riverside Pinyon Flats area near Ribbonwood. White calcareus outcrop forming small hill N of Hwy 74 Comment
  RSA731225  Oxytheca perfoliata Steve Boyd, LeRoy Gross 2008-4-11 11857 Inyo Southwestern base of Dublin Hills at eastern edge of lower Greenwater Valley, west of Shoshone, bajada east of Furnace Creek Wash Road, north and east to lowest rocky slopes and outlying hills. 580 Comment
  UCR121240  Oxytheca trilobata Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2285 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  UCR148234  Oxytheca trilobata Steve Boyd, LeRoy Gross 2004-5-4 11072 San Diego Peninsular Ranges; Anza Bench region, hills north of Warner Springs, north Indian Flats Campground of Cleveland National Forest along Road 9S05 899 Comment
  RSA495437  Paeonia californica Steve Boyd 1989-3-12 2964 Riverside Vail Lake area, lower slopes of Oak Mountain 1.5 mi WSW of lake. 488 Comment
  RSA599779  Paeonia californica Steve Boyd, Lauren Raz 1997-3-25 9273 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain, flats and slopes just northeast of ranch compound. 976 Comment
  RSA701531  Paeonia californica Steve Boyd, Heidi Bigelow 2004-4-5 10810 San Diego Pine Hills area, between Magee Flat and Deadman Flat along Eagle Peak Rd. Comment
  UC1611571  Paeonia californica Steve Boyd and Walter Appleby 1993-4-8 7952 San Diego upper Devil Canyon Santa Ana Mountains, Cleveland N.F., San Mateo Canyon Wilder (vicinity of Mud Spring) 670 Comment
  CAS-BOT-BC274142  Pappostipa speciosa Steve Boyd; Andrew C. Sanders; R. T. Hawke; Shaun Hawke; Susan Hobbs; Paul Hobbs 1997-4-20 9577 Kern San Emigdio Range: Pleito Hills region, San Emigdio Ranch, ridge on west side of Pleito Canyon, approximately 4.5 air miles due north of Antimony Peak 1219 Comment
  RSA701490  Parietaria hespera var. californica Steve D. Boyd, Heidi Bigelow 2004-4-5 10795 San Diego Foothills area near Mesa Grande about Wash Tub Falls in Black Canyon, east of Black Mountain, ca. 6 miles south of junction of Mesa Grande Rd. along Black Canyon Rd. Comment
  RSA523506  Parietaria hespera var. hespera Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-3-30 3965 -B Riverside Vail Lake Area, westerly drainage cyn at N base of 'Big' Oak Mtn. 640 Comment
  RSA678338  Parietaria hespera var. hespera Steve D. Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10475 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UCR68913  Parietaria hespera var. hespera Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4241 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  UCR71257  Parietaria hespera var. hespera Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4297 Los Angeles Channel Islands, San Clemente Island: E side of the island, near Malo Point, first canyon south of Bryce Canyon Comment
  RSA600359  Paspalum distichum Steve Boyd, Lauren Raz 1997-5-28 9878 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 866 Comment
  RSA517948  Pectis papposa Steve Boyd 1990-10-4 5205 San Bernardino Pass between Vontrigger Hills and Hackberry Mountains, E side of Lanfair Rd., 11 miles N of jct. with Goffs Rd. Comment
  UCR151172  Pectis papposa Steve Boyd, Et al. 2004-10-13 11594 San Bernardino Eastern Mojave Desert, Ivanpah Valley: upper bajada at NE base of the Ivanpah Mtns, south of Interstate 15 Comment
  RSA359524  Pectocarya linearis subsp. ferocula Steve Boyd 1986-3-9 1385 Riverside Temescal Canyon: Alberhill Mountain, S slope of mountain just east of claymine area. 427 Comment
  RSA525459  Pectocarya penicillata Steve Boyd 1990-4-29 4505 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  SD215434  Pectocarya penicillata Steve Boyd, Lauren Raz 1997-3-25 9279 Los Angeles Liebre Mountains Region; Knapp Ranch area at upper end of Castaic Crek drainage in broad alluvial valley at head of Cienaga Canyon south of Liebre Mountain, flats and slopes just northeast of ranch compound. 975 Comment
  RSA776709  Pectocarya platycarpa Steve Boyd 2005-4-6 11626 San Bernardino East Mojave Desert region: Sheep Corral area, southern base of the Granite Mountains, west of Kelbaker Road, north of Interstate 40. 299 Comment
  UCD120137  Pectocarya platycarpa Steve Boyd; Michael Denslow 2004-3-23 10681 San Bernardino Mojave Desert; Central Mojave Desert region Pisgah Crater lava fields, south of the Cady Mountains, west of Ludlow, just south of Interstate 40 on road to cinder quarry operation. Comment
  HSC101610  Pectocarya recurvata Steve Boyd 2005-4-6 11624 San Bernardino Mojave Desert; East Mojave Desert region: Sheep Corral area, southern base of the Granite Mountains, west of Kelbaker Road, north of Interstate 40 299 Comment
  RSA0013569  Pectocarya recurvata Steve Boyd 2005-4-6 11624 San Bernardino East Mojave Desert region: Sheep Corral area, southern base of the Granite Mountains, west of Kelbaker Road, north of Interstate 40. 299 Comment
  RSA524606  Pectocarya recurvata Steve Boyd 1990-3-29 3929 Riverside Vail Lake area, summit of 'Big' Oak Mtn, N. of lake. 793 Comment
  RSA570351  Pectocarya recurvata Steve Boyd, Tim Ross, W. Appleby 1993-3-18 7779 San Bernardino Southern base of the Avawatz Range at the mouth of Sheep Creek Springs Canyon about old mining camp at Sheep Creek Spring. 600 Comment
  UCR218297  Pectocarya recurvata Steve Boyd 2010-4-19 12265 Inyo Mojave Desert; North Mojave Desert region, northwest base of Dublin Hills, south of Hwy 178, northwest of Shoshone 671 Comment
  RSA569972  Pectocarya setosa Steve Boyd, Tim Ross, W. Appleby 1993-3-19 7847 San Bernardino North base of Old Women Mountains, south of Essex, eastern Mojave Desert; Honeymoon Wash along Willow Springs road, 0.5 miles west of Sunflower Springs Road ('Cross-fire Camp'). 1000 Comment
  UCR51988  Pedicularis attollens Steve Boyd, C. Boyd 1987-7-3 2079 Inyo Sierra Nevada Mtns., NW of Bishop in Granite Park area of upper Pine Creek Drainage 3506 Comment
  RSA523484  Pedicularis densiflora Steve Boyd, Tim S. Ross, L. Arnseth 1990-3-30 3944 Riverside Vail Lake area, summit of Big Oak Mtn, N of lake. Saddle between summits, N slope along rd heading N to Black Hills. 793 Comment
  RSA526157  Pellaea andromedifolia Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-6 4151 Los Angeles San Clemente Island: Lemon Tank Cyn, E side of Island. 274 Comment
  RSA570749  Pellaea andromedifolia var. andromedifolia Steve Boyd, Walter Appleby 1993-4-8 7968 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Devil Canyon, vicinity of Mud Spring. 671 Comment
  UCD137719  Pellaea mucronata Steve Boyd; LeRoy Gross 2004-5-4 11088 San Benito Peninsular Ranges; Anza Bench Region: Hills north of Warner Springs, north Indian Flats Campground of Cleveland National Forest along Road 9S05. Comment
  RSA506837  Pennisetum setaceum Steve Boyd 1985-7-23 1041 San Diego Tenaja Road, 0.5 mile west of jct with De Luz Road 122 Comment
  RSA701174  Penstemon centranthifolius Steve D. Boyd, Lisa Rojas 2004-5-26 11348 San Diego In-Ko-Pah Mountains, western flank of Thing Valley, northeast of transit station Posta, Cleveland National Forest along forest service road. 1463 Comment
  RSA727891  Penstemon centranthifolius Steve D. Boyd, LeRoy Gross 2004-5-4 11129 San Diego Hills north of Warner Springs, north Indian Flats Campground of Cleveland National Forest along Road 9S05. 899 Comment
  UCR148056  Penstemon centranthifolius Steve Boyd, Lisa Rojas 2004-5-26 11348 San Diego Cuyamaca-Laguna Mtns, In-Ko-Pah Mtns, western flank of Thing Valley, northeast of transit station Posta, Cleveland National Forest along forest service road 1463 Comment
  UC1929687  Penstemon eatonii var. eatonii Steve Boyd, Tammy Morgan 2004-6-1 11421 San Bernardino Mojave Desert; East Mojave Desert region; Clark Mountains, western flank of the range in large canyon south of Pachalka Spring. Comment
  UCR199806  Penstemon eatonii var. eatonii Steve Boyd, Tammy Morgan 2004-6-1 11421 San Bernardino Eastern Mojave Desert, Clark Mountain, west flank of the range in large canyon south of Pachalka Spring 1800 Comment
  UCD124207  Penstemon heterophyllus Steve Boyd; Valentin Arvizu 2004-6-8 11503 Ventura Transverse Ranges; Mount Pinos region: Topa Topa Mountains, Tar Creek, east of its confluence with Sespe Canyon near point where stream is crossed by Tar Creek Road Trail. 610 Comment
  RSA0116442  Penstemon heterophyllus subsp. heterophyllus Steve D. Boyd, Lauren Raz 1997-5-29 9915 Los Angeles Liebre Mountains region: Portal Ridge, north of the San Andreas Rift Zone, in the Cow Spring drainage along the Pacific Crest Trail, at point where trail crosses side drainage originating on ridge forming divide with Gookins Dry Lake. 1098 Comment
  NY601651  Penstemon heterophyllus var. australis S. D. Boyd 1992-5-4 7184 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero 731.5 Comment
  UCR22083  Pentagramma triangularis subsp. maxonii Steve Boyd 1980-5-3 189 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  SD136866  Peritoma arborea var. angustata Steve Boyd, Tim Ross and Walter Appleby 1993-3-19 7860 San Bernardino North base of the Old Women Mountains, south of Essex, eastern Mojave Desert; Honeymoon Wash along Willow Springs road, 1000 Comment
  HSC85355  Perityle emoryi Steve Boyd 1986-2-6 1243 Imperial Cargo Muchacho Mtns., large canyon at SE end of mountains, 5.4 mi. NE of Hwy. 8, off Sidewinder Rd. and Power-line Rd. Comment
  UCR148388  Perityle emoryi Steve Boyd, Tammy Morgan 2004-3-30 10693 San Bernardino Central Mojave Desert, S end of the Cady Mountains, NW of Ludlow (N of Interstate 40) about hill topped with communication towers 854 Comment
  UCR89510  Perityle emoryi Steve Boyd, T. S. Ross, W. Appleby 1993-3-18 7791 San Bernardino Northeastern Mojave Desert, northern base of the Avawatz Range at the mouth of Sheep Creek Springs Canyon, about old mining camp at Sheep Creek Spring 600 Comment
  RSA527669  Perityle emoryi Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-8 4287 Los Angeles San Clemente Island: east side of the island, near Malo Point, 1st canyon south of Bryce Canyon. Comment
  RSA544292  Petunia parviflora Steve D. Boyd, Tim S. Ross 1991-6-14 6355 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  UCR60772  Peucephyllum schottii Steve Boyd, O. Mistretta 1986-3-13 1479 Riverside Sonoran (Colorado) Desert, West side Palen Mtns: NE of Desert center; first large canyon at NW tip of western segment of range Comment
  RSA702417  Phacelia cicutaria var. hispida Steve Boyd, Heidi Bigelow 2004-4-5 10821 San Diego Pine Hills area, between Magee Flat and Deadman Flat along Eagle Peak Rd. Comment
  RSA667600  Phacelia ciliata Steve Boyd, Lee Lenz 2001-5-2 10420 Los Angeles Along Hwy 138, base of hills at edge of westernmost end of the Antelope Valley, just east of the junction with the old Ridge Route. [Latitude should be 34 instead of 36] Comment
  UCR98810  Phacelia ciliata Steve Boyd, A. C. Sanders, R. T. Hawke, S. Hawke, et al. 1997-4-20 9571 Kern San Emigdio Range, Pleito Hills, San Emigdio Ranch, ridge on W side of Pleito Canyon, c. 4.5 air mi due north of Antimony Peak 1220 Comment
  RSA702396  Phacelia crenulata Steve Boyd, Michael Denslow 2004-3-23 10669 San Bernardino Pisgah Crater lava fields, south of the Cady Mountains, west of Ludlow, just south of Interstate 40 on road to cinder quarry operation. Comment
  UCD120357  Phacelia crenulata Steve Boyd; Tammy Morgan, Aydee Virgen, Sarah DeGroot, et al 2004-5-14 11248 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  RSA592846  Phacelia davidsonii Steve Boyd, Orlando Mistretta 1996-5-1 8747 Los Angeles Liebre Mountains, Sawmill Mountain, upper slopes and summit at head of Heryford Canyon, east of the junction of 7N23 and 7N08. 1524 Comment
  RSA517856  Phacelia distans Steve Boyd 1986-3-30 1508 Los Angeles Mojave Desert: Highway 18, 0.5 miles east of junction with Hwy 138, NE of Pinyon Hills. Comment
  RSA593552  Phacelia distans Steve Boyd 1996-5-17 8798 San Diego Palomar Mountains, summit of Aguanga Mountain along Palomar Divide Road (9S07) ca. 2.6 miles east of junction with Halfway Road (9S06). 1387 Comment
  RSA600596  Phacelia distans Steve Boyd, A. C. Sanders, R. T. Hawke, P. Hobbs, S. Hobbs, S. Hawke 1997-4-20 9582 Kern San Emigdio Range: Pleito Hills region, San Emigdio Ranch, ridge on west side of Pleito Canyon, approximately 4.5 air miles due north of Antimony Peak. 1098 Comment
  UCR147766  Phacelia distans Steve Boyd, LeRoy Gross 2004-5-4 11150 San Diego Peninsular Ranges; Anza Bench region, hills north of Warner Springs, north Indian Flats Campground of Cleveland National Forest along Road 9S05 899 Comment
  RSA601336  Phacelia egena Steve Boyd, Lauren Raz 1997-6-17 9958 Los Angeles Liebre Mountains region: Summit of Burnt Peak, generally to the northeast of the FAA site. 1706 Comment
  UCR99349  Phacelia fremontii Steve Boyd, A. C. Sanders, R. T. Hawke, S. Hawke, S. Hobbs, P. Hobbs 1997-4-20 9542 Kern San Emigdio Range, Pleito Hills, San Emigdio Ranch, ridge on W side of Pleito Canyon, c. 4.5 air mi due north of Antimony Peak 1220 Comment
  UCR79229  Phacelia grandiflora Steve Boyd, T. S. Ross 1992-4-29 7126 San Diego Peninsular Range; Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area. San Mateo Canyon, SE of Indian Potrero at base of eastern-most segment of Clark Trail 213 Comment
  UCR39546  Phacelia hastata Steve Boyd 1983-7-25 s.n. San Bernardino San Bernardino Mtns, Near Onyx Summit at Cienaga Seca, west of Hwy 38 2500 Comment
  RSA520753  Phacelia humilis var. dudleyi Steve Boyd, Bramlet 1986-6-9 1937 Tulare Chimney Creek Canyon, N slope Peak 7155, S Chimney Meadow. 2073 Comment
  RSA689712  Phacelia humilis var. dudleyi Steve Boyd, Michael Denslow, Amber Maurice, Sarah Swartzentruber, Aydee Virgen 2003-6-27 10510 Tulare Chimney Peak Recreation Area, summit of northern high point on Bear Mountain (Bear Peak). 2509 Comment
  RSA561824  Phacelia imbricata subsp. imbricata Steve Boyd 1993-6-3 8179 Los Angeles north of Sylmar and south of Santa Clarita. North of Santa Clara Rd (3N17.9) at head of eastern-most canyons 914 Comment
  RSA507997  Phacelia longipes Steve Boyd 1988-4-28 2252 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus. In small canyon. Angeles National Forest. 640 Comment
  HSC101580  Phacelia minor Steve Boyd, Susan Jett 2008-3-20 11826 Riverside Peninsular Ranges; Santa Ana Mountains region: eastern flank of the range along El Cariso Trunk Trail, ca. 0.5 mi. north of Highway 74 732 Comment
  RSA496139  Phacelia minor Steve Boyd, L. Arnseth, Tim Ross 1989-3-19 3026 Riverside Vail Lake area,1 mile W of Lake 610 Comment
  RSA501039  Phacelia minor Steve Boyd, Tim Ross, L. Arnseth 1989-4-1 3160 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA562120  Phacelia minor Steve Boyd 1992-4-14 6786 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewater Canyon, S of Sitton Peak. 793 Comment
  RSA678361  Phacelia minor Steve Boyd, Amber Maurice, Pesach Lubinsky, Lel Lubinsky 2003-4-17 10498 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  SBBG101786  Phacelia minor S. Boyd with T. Ross, M. Hammitt 1991-5-2 6057 Riverside Vail Lake region, Billy Goat Mtn, ca. 3 mi N of Hwy 371, N of Aguanga 600 Comment
  UC1929329  Phacelia minor Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10498 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  RSA570236  Phacelia neglecta Steve Boyd, Tim Ross, W. Appleby 1993-3-20 7885 San Bernardino Chemehuevi Valley, southwest of Needles, west of the Chemehuevi Mountians along Water Road, just North of intersection with Highway 95. 500 Comment
  UCR40782  Phacelia ramosissima var. suffrutescens Steve Boyd 1983-7-25 s.n. San Bernardino San Bernardino Mtns, Near Onyx Summit at Cienaga Seca, west of Hwy 38 2500 Comment
  RSA650529  Phacelia tanacetifolia Bob Boyd 1978-04 s.n. San Bernardino Barstow Area. Comment
  RSA485366  Phacelia vallis-mortae Steve Boyd, C. Boyd 1987-4-12 2022 Inyo South end of Greenwater Valley, 0.3 mile NW of jtn w/ Hwy 178, 2 miles W of Shoshone. Comment
  RSA599877  Phacelia viscida Steve Boyd, Lauren Raz 1997-5-6 9722 Los Angeles Liebre Mountains region: San Francisquito Canyon, west side of canyon at eastern end of Red Mountain ridge system, just north of confluence with Bee Canyon and 1.5 miles by road south of the Clearwater Canyon Truck Trail 6N24. 610 Comment
  SD152983  Phalaris aquatica Steve Boyd, Tim Ross 1992-5-19 7450 Orange San Mateo Canyon Wilderness Area. Western edge of the wilderness in Lucas Canyon at the Lucas Canyon Trail crossing 320 Comment
  RSA560420  Phalaris minor Steve Boyd, Timothy S. Ross, Mike Wall 1992-6-3 7519 San Diego Southern Santa Ana Mts., San Mateo Canyon Wilderness Area. Devil Canyon, from confluence witrh ''Miller Creek'' downstream approx. 1 mile. 487 Comment
  RSA527794  Pholistoma auritum Steve Boyd, Tim Ross, L. Arnseth 1990-4-8 4359 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  RSA518009  Pholistoma membranaceum Steve Boyd, Orlando Mistretta 1986-3-31 1545 Los Angeles Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. Comment
  RSA495415  Pholistoma racemosum Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2942 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA552751  Pholistoma racemosum Steve Boyd, C. Boyd, K. A. Boyd 1992-3-21 6737 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area, Tenaja Canyon. along trail from wilderness boundary downstream towards Fisherman s Camp. 366 Comment
  RSA570328  Phoradendron californicum Steve D. Boyd, Tim S. Ross, W. Appleby 1993-3-19 7802 San Bernardino Southern base of the Avawatz Range at the mouth of Sheep Creek Springs Canyon about old mining camp at Sheep Creek Spring. 600 Comment
  UCR89502  Phoradendron californicum Steve Boyd, T. S. Ross, Walter Appleby 1993-3-19 7802 San Bernardino NE Mojave Desert, northern base of the Avawatz Range at the mouth of Sheep Creek Springs Canyon about old mining camp at Sheep Creek Spring 600 Comment
  UCR58849  Phoradendron macrophyllum Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3218 Riverside Peninsular Range, Vail Lake area at N end of Kolb Creek, near campground 457 Comment
  CAS-BOT-BC143336  Phoradendron villosum Steve Boyd; Andrew C. Sanders; R. T. Hawke; Shaun Hawke; Susan Hobbs; Paul Hobbs 1997-4-20 9532 Kern San Emigdio Range: San Emigdio Ranch, Los Lobos Canyon 914 Comment
  RSA598935  Phoradendron villosum Steve D. Boyd, Tim S. Ross 1997-3-21 9194 Los Angeles Liebre Mountains, Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  UCR138555  Phoradendron villosum Steve Boyd, D. E. Bramlet 1988-10-8 2878 Riverside San Jacinto Mtns. area, Cahuilla Mountain, SW of Anza at head of Bautista Canyon, along the crest of the mountain 1707 Comment
  IRVC28190  Physalis crassifolia Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11216 Riverside Choclate-Chuckwalla Mtns region; W base of the Choclate Mtns, small cyn, ca. 1.25 mi. N of Imperial Co. line and about 3.75 mi. W of aquaduct; accessed by dirt road off of main aquaduct road at siphon station. Within boundary of US Navy Choclate Mtn ... Colorado Desert Comment
  UCR60780  Physalis crassifolia Steve Boyd, Orlando Mistretta 1986-3-13 1483 Riverside Sonoran (Colorado) Desert, West side Palen Mtns: NE of Desert center; first large canyon at NW tip of western segment of range Comment
  UCD116157  Physaria kingii subsp. latifolia Steve Boyd 1980-4-19 NY 017 San Bernardino Caruthers Cyn., New York Mtns. Steep slopes N of Giant Ledge mine. 1828 Comment
  RSA592820  Pinus monophylla Steve Boyd 1996-4-24 8663 Los Angeles Liebre Mountains, northwestern end of the range on the ridgetop and upper slopes of the southern flank of Apple Canyon. 1067 Comment
  RSA595108  Pinus monophylla Steve Boyd, Orlando Mistretta, John Dolan 1996-4-18 8586 Los Angeles Liebre Mountains, upper West Fork Liebre Gulch along spur leading off along steep ridgeline west of Angeles National Forest Road 8N01, at a point 7.0 road miles from jtn with 8N05. 1204 Comment
  UCR151954  Pinus monophylla Steve Boyd, Tammy Morgan 2004-6-1 11428 San Bernardino Eastern Mojave Desert, Clark Mountain, west flank of the range in large canyon south of Pachalka Spring 1800 Comment
  CAS-BOT-BC458136  Pityopus californicus Jean Boyd; Marie Kelly 1949-9-17 s.n. Mendocino Near Little River Comment
  CAS-BOT-BC458141  Pityopus californicus Jean Boyd; Marie Kelly 1950-2-27 s.n. Mendocino Near Little River Comment
  HSC85414  Plagiobothrys acanthocarpus Steve Boyd 1986-3-9 1380 Riverside Temescal Canyon: Alberhill Mtn., S slope of mtn., just E of claymine area 459 Comment
  UCR48487  Plagiobothrys acanthocarpus Steve Boyd 1986-3-9 1380 Riverside Peninsular Range, Temescal Canyon: Alberhill Mtn., south slope of mtn., just east of claymine area 488 Comment
  RSA600161  Plagiobothrys arizonicus Steve Boyd, Lauren Raz 1997-5-1 9653 B Los Angeles Liebre Mountains Region: Sierra Pelona ridgeline, about 1.5 miles west of Mt. McDill and 1.3 miles south-southeast of Lincoln Crest, the head of Bouquet Canyon. 1463 Comment
  UC1928685  Plagiobothrys arizonicus Steve Boyd, Valentin Arvizu 2008-5-1 11948 Kern Sierra Nevada; Southern Sierra Nevada region; Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley. Comment
  UCR48486  Plagiobothrys canescens Steve Boyd 1986-3-3 1376 Riverside Perris Basin, Good Hope Valley, c. 5 mi. west of Perris; DePrad Street, 0.5 mi. east of Cowie Avenue. 488 Comment
  HSC85416  Plagiobothrys collinus var. californicus Steve Boyd 1986-3-9 1389 Riverside Temescal Canyon: Alberhill Mtn., S slope of mtn., just E of claymine area 459 Comment
  RSA517931  Plagiobothrys collinus var. californicus Steve Boyd 1986-3-1 1370 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park. 640 Comment
  UC1605427  Plagiobothrys collinus var. californicus Steve Boyd 1986-4-2 1595 Riverside Harford Springs County Park Gavilan Hills, Gavilan Hills, Harford Springs County Park 609 Comment
  UCR22097  Plagiobothrys collinus var. californicus Steve Boyd 1980-4-27 144 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  SD136875  Plagiobothrys collinus var. fulvescens Steve Boyd 1992-4-21 6982 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, Southern flank of Miller Mountain 640 Comment
  SD231259  Plagiobothrys collinus var. fulvescens Steve Boyd, Naomi Fraga 2004-4-27 10993 San Diego Peninsular Ranges; Anza Bench region: Hills north of Warner Springs, south of Indian Flats Campground of Cleveland National Forest along Road 9S05. Comment
  SBBG105054  Plagiobothrys fulvus S. Boyd, D. Banks, J. M. Porter, V. Ashworth, G. Allan 1994-4-6 8287 San Diego San Mateo Cyn Wilderness Area, southern slope of Miller Mtn 822 Comment
  RSA562107  Plagiobothrys nothofulvus Steve Boyd 1992-4-14 6799 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewater Canyon, S of Sitton Peak. 793 Comment
  RSA599557  Plagiobothrys nothofulvus Steve Boyd, A. C. Sanders, R. T. Hawke, Shaun Hawke, Susan Hobbs, Paul Hobbs 1997-4-20 9539 Kern San Emigdio Range: San Emigdio Ranch, Los Lobos Canyon. T10N R22W center of east border S 1/2 sec. 20; T10N R22W center of west border S 1/2 sec. 21. 914 Comment
  RSA701568  Plagiobothrys nothofulvus Steve Boyd, Heidi Bigelow 2004-4-5 10840 San Diego Pine Hills area, between Magee Flat and Deadman Flat along Eagle Peak Rd. Comment
  RSA496130  Plagiobothrys tenellus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 3009 Riverside Vail Lake area, low hills west of Kolb Creek arm of lake. 488 Comment
  RSA560855  Plagiobothrys tenellus Steve Boyd 1992-4-21 6984 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Northwestern summit and slopes of Miller Mountain. 792 Comment
  UCR59753  Plagiobothrys tenellus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 3009 Riverside Peninsular Range, Vail Lake area, hills west of Kolb Creek arm of lake 488 Comment
  RSA495820  Plantago erecta Steve Boyd, Tim S. Ross, L. Arnseth 1989-3-12 2931 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA701788  Plantago erecta Steve Boyd, Heidi Bigelow 2004-4-5 10774 San Diego Foothills area near Mesa Grande about Wash Tub Falls in Black Canyon, east of Black Mountain, ca. 6 miles south of junction of Mesa Grande Rd. along Black Canyon Rd. Comment
  UCR48361  Plantago erecta Steve Boyd 1986-5-1 1806 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  RSA562442  Plantago lanceolata Steve Boyd, Tim S. Ross 1992-5-5 7262 Riverside Southern Santa Ana Mtns, San Mateo Canyon Wilderness area. Northwest of Oak Flats along Verdugo Trail, between jct with Bluewater and Lucas Canyon Trails. 762 Comment
  RSA560394  Plantago major Steve Boyd, Tim S. Ross 1992-4-29 7146 San Diego San Mateo Canyon Wilderness Area. San Mateo Canyon from eastern-most segment of the Clark Trail downstream to the border with Camp Pendleton. 152 Comment
  UCR51966  Plantago ovata Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2198 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA516906  Plantago ovata var. fastigiata Steve Boyd, Orlando Mistretta 1986-3-13 1432 Riverside Palen Mountains; NE of Desert Center, jct. of Parker Dam Rd. and Palen Rd. (road going through pas between Palen and Granite Ranges). 244 Comment
  RSA565633  Plantago ovata var. fastigiata Steve Boyd, Tim S. Ross, W. Appleby 1993-3-18 7740 Inyo Resting Spring Range, 4 miles east of Shoshone, upper bajada and lower slopes along western side of range, 1.1 miles SE of Highway 178. 600 Comment
  RSA507968  Plantago patagonica Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2308 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  RSA701189  Plantago patagonica Steve Boyd, Naomi Fraga 2004-4-27 10934 San Diego Warner Springs area, rolling terrain near the Pacific Crest Trail, south of Highway 79 and west of the Warner Springs resort. 898 Comment
  RSA561508  Platanus racemosa Steve Boyd, Tim S. Ross, D. Bramlet 1992-9-9 7666 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek,, up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  RSA600420  Platanus racemosa Steve Boyd, Lauren Raz 1997-4-30 9625 Los Angeles Liebre Mountains Region: About the confluence of Bear Canyon and Pine Canyon, between the southern flank of Liebre Mountain and northern flank of Red Rock Mountain, southwest of Gillette Mine. 866 Comment
  RSA557892  Plectritis ciliosa subsp. insignis Steve D. Boyd, Orlando Mistretta 1992-4-22 6996 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  RSA701406  Plectritis ciliosa subsp. insignis Steve D. Boyd, Aydee Virgen 2004-4-13 10890 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  RSA515196  Pleuraphis rigida Steve Boyd, O. Mistretta 1986-3-13 1464 Riverside West side Palen Mts.: NE of Desert Center. Comment
  RSA457772  Pleurocoronis pluriseta Steve Boyd 1988-3-10 2216 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  UCR148507  Pleurocoronis pluriseta Steve Boyd, Michael Denslow 2004-3-23 10633 San Bernardino Central Mojave Desert, Lavic Mountain, southern end of the Cady Mountains northwest of Ludlow (north of Interstate 40) along powerline/pipeline access road Comment
  UC1563108  Pluchea sericea Steve Boyd, Tim Ross, Laurel Arnseth 1989-6-10 3663 Riverside below the dam Temecula Creek canyon; Vail Lake Area 457 Comment
  SD136950  Poa annua Steve Boyd 1992-4-14 6816 Riverside Santa Ana Mtns, San Mateo Wilderness Area. Western edge of Oak Flats area along Bluewater Tr. From Verdugo Tr. S to crest of ridge W side of Bluewater Cyn. 730 Comment
  SEINET10927091  Poa annua Steve Boyd, Timothy S. Ross 1990-1 Boyd 4669 Unknown Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. T8S, R1W, N 1/2, Sec 26. Riparian woodland, pools along stream supporting Typha, Carex, etc. Benches, slopes burned. 579 Comment
  UCR61172  Poa atropurpurea Steve Boyd 1983-8-10 s.n. San Bernardino San Bernardino Mtns., Near Onyx Summit at Cienaga Seca, west of Hwy 38 2457 Comment
  CAS-BOT-BC254568  Poa fendleriana S. Boyd; et al. 1988-4-8 1745 San Bernardino W side of Ord Mountain, N of Lucerne Valley. 15 miles S of I-40 on Camp Rock Road near Tyler Valley, Mojave Desert 1524 Comment
  UCR95532  Poa pratensis Steve Boyd 1996-4-25 8697 Los Angeles San Gabriel Mtns, Liebre Mtns, Knapp Ranch area at upper end of Castaic Creek drainage in broad valley at head of Cienega Canyon, south of Liebre Mtn 951 Comment
  RSA598865  Poa secunda Steve Boyd, Timothy S. Ross 1997-3-21 9242 Los Angeles Liebre Mountains, Portal Ridge, upper Broad Canyon, ca. 1 mile east of VABM King and 1.2 miles east of the junction of Forest Service Roads 7N07 and 7N07A, along the ridgeline dividing Bleich Canyon and Broad Canyon. 1194 Comment
  RSA725348  Poa secunda Steve Boyd, Carol Boyd 2007-9-12 11755 Mono Pass between Virginia Lakes Basin and Summit Lake, ca. 2 airline miles southwest of Dunderberg Peak and 1 airline mile west of Black Mountain. 3232 Comment
  UCR148191  Poa secunda Steve Boyd, LeRoy Gross 2004-5-4 11139 San Diego Peninsular Ranges; Anza Bench region, hills north of Warner Springs, north Indian Flats Campground of Cleveland National Forest along Road 9S05 899 Comment
  UCR21893  Podistera nevadensis Steve Boyd 1980-8-8 s.n. Mono Sierra Nevada Mtns, Dana Plateau, Mount Dana 3659 Comment
  UC1608266  Polygala cornuta var. fishiae Steve Boyd and Tim Ross 1992-5-20 7478 Orange w edge of wilderness Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar (along foot trail upstream from end of old roadgrade to upper homestead (corrugated steel building), along stream) 350 Comment
  RSA600358  Polygonum aviculare subsp. neglectum Steve Boyd, Lauren Raz 1997-5-28 9880 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 866 Comment
  UCR60522  Polygonum lapathifolium Steve Boyd 1985-7-23 1040 San Diego Santa Ana Mtns; Santa Rosa Plateau, De Luz Creek at crossing of Tenaja Trail, c. 0.1 mi west of the junction with De Luz Road 122 Comment
  UCR40195  Polygonum punctatum Steve Boyd 1985-7-23 1014 Riverside Peninsular Range, De Luz Road, 8 mi west of Rancho California. Side canyon of Sandia Creek 305 Comment
  UCR59663  Polypodium californicum Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2952 Riverside Peninsular Range, Vail Lake area, Temecula Creek Canyon, just below Vail Lake Dam. 488 Comment
  RSA500155  Polypogon interruptus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3646 Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Highway 79. 488 Comment
  RSA701391  Polypogon maritimus Steve Boyd, LeRoy Gross 2004-5-4 11161 San Diego Hills north of Warner Springs, north Indian Flats Campground of Cleveland National Forest along Road 9S05. 899 Comment
  RSA500115  Polypogon viridis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3696 Riverside Vail Lake area, Benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  RSA701135  Polypogon viridis Steve Boyd, Valentin Arvizu 2004-6-8 11465 Ventura Mount Pinos region: Topa Topa Mountains, Tar Creek, east of its confluence with Sespe Canyon near point where stream is crossed by Tar Creek Road trail. 610 Comment
  UCR22140  Populus fremontii Steve Boyd 1980-5-17 290 Riverside Gavilan Hills, Harford Springs County Park, on the NW corner of the Gavilan plateau. Comment
  RSA518176  Porophyllum gracile Steve Boyd 1990-10-3 5149 San Bernardino Providence Mountains., Road over Foshay Pass, W side of range, 11.2 mi E of Kelbaker Rd. Comment
  UCR52014  Porophyllum gracile Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2206 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  UC1584093  Portulaca halimoides Steve Boyd 1990-10-3 5147 San Bernardino Valley between Granite Mountain and Van Winkle Mountain (on Kelbaker Road, 7 mi n of Interstate 40); Kelbaker Road Comment
  RSA535398  Portulaca oleracea Steve Boyd 1990-10-3 5148 San Bernardino Valley between Granite and Van Winkle Mountains on Kelbaker road, 7 miles N of I-40. Comment
  UCR225162  Potamogeton diversifolius Steve Boyd, Gary Wallace 2005-7-30 11642 Riverside Peninsular Ranges; San Jacinto Mountains region, San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2683 Comment
  RSA500203  Potamogeton pusillus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3542 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  SBBG105042  Potentilla pinetorum S. Boyd, S. Meury, A. Liston 1988-7-19 2684 Unknown Sierra San Pedro Martir, meadows along rd heading S of Vallecitos towards La Encantada, base of Cerro Botella Azul Comment
  UCR87114  Proboscidea louisianica Steve Boyd 1991-5-30 6317 Riverside Murrieta, Gentry Experimental Farm on Los Alamos Road 427 Comment
  HSC85386  Prosopis glandulosa var. torreyana Steve Boyd 1986-4-10 1646 Riverside Temescal Canyon, along DePalma Rd. between Indian Truck Trail and Horsethief Canyon, 1.2 mi. E of Indian Truck Trail. Comment
  UCR17889  Prosopis glandulosa var. torreyana Steve Boyd 1978-8-24 115 Inyo Northern Mojave Desert, Indian Ranch, Panamint Valley Comment
  RSA599346  Prunus dulcis Steve D. Boyd, Lauren Raz 1997-3-26 9375 Los Angeles Liebre Mountains region: Sierra Pelona Ridge, upper end of Bouquet Canyon, south of Lincoln Crest near end of off-highway vehicle trail which begins at Bouquet Canyon Road. 1311 Comment
  HSC87291  Prunus ilicifolia Steve Boyd, T. S. Elias 1987-4-14 2048 Los Angeles San Gabriel Mtns., Rincon- Red Box Rd., S of Rincon Forest Station, N of Glendora Comment
  RSA395366  Prunus ilicifolia Steve D. Boyd 1986-4-22 1729 Riverside Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mtn. and Gavilan Hills. Comment
  RSA600476  Prunus ilicifolia Steve D. Boyd, Lauren Raz 1997-4-30 9598 Los Angeles Liebre Mountains Region: About the confluence of Bear Canyon and Pine Canyon, between the southern flank of Liebre Mountain and northern flank of Red Rock Mountain, southwest of Gillette Mine. 866 Comment
  SD152758  Prunus ilicifolia Steve Boyd, Tim Ross 1992-5-5 7248 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness area. Isolated grassland area south of Oak Flats, southwest of the Bluewater Trail 730 Comment
  UCR22038  Prunus ilicifolia Steve Boyd 1980-6-4 316 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR51990  Prunus ilicifolia Steve Boyd, T. S. Elias 1987-4-14 2048 Los Angeles San Gabriel Mtns., Rincon to Red Box Road, south of Rincon Forest Station, north of Glendora 991 Comment
  RSA479511  Prunus ilicifolia subsp. ilicifolia Steve D. Boyd, Thomas S. Elias 1987-4-14 2048 Los Angeles San Gabriel Mountains, Rincon - Red Box Road, S of Rincon Forest Station, N. of Glendora Comment
  UCR99490  Prunus persica Steve Boyd, Lauren Raz 1997-3-26 9376 Los Angeles Libre Mtns., Sierra Pelona Ridge, southern flank of Martindale Canyon near the northern end of Bouquet Canyon, south of the upper end of the reservoir along Forest Service Road 6N08 at Artesian Spring Campground 1098 Comment
  RSA387408  Psathyrotes ramosissima Steve Boyd 1986-2-6 1251 Imperial Cargo Muchacho Mountains, large canyon at SE end of mountains, 5.4 miles NE of I-8 off Sidewinder Rd and Power-line Rd. Comment
  SD152940  Pseudognaphalium beneolens Steve Boyd, Orlando Mistretta and Dave Bramlet 1992-6-22 7645 San Diego Southern Santa Ana Mountains, southeastern edge of wilderness in upper Devil Canyon drainage, northwest of Sky Ranch. 700 Comment
  OBI37640  Pseudognaphalium leucocephalum Steve Boyd 1985-7-30 1056 San Diego Lower Cottonwood Canyon, near its confluence with De Luz Crk Comment
  RSA500200  Pseudognaphalium luteoalbum Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-5-7 3544 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  SD152938  Pseudognaphalium luteoalbum Steve Boyd, Orlando Mistretta 1992-4-23 7041 San Diego Southern Santa Ana Mountains, San Mateo Creek from Clark Trail downstream to narrows near border with Camp Pendleton. 149 Comment
  UCR101529  Pseudotsuga macrocarpa Steve Boyd, T. S. Ross, Laura Moore, V. Soza 1997-7-8 10001 Los Angeles San Gabriel Mtns., Northern flank of Sawmill Mtn., upper Heryford Canyon watrshed, along Sawmill Mtn. Road (7N23), c. 0.7 m from the junction w/ Maxwell Truk Trail & Burnt Peak Road. 1500 Comment
  RSA562803  Psilocarphus tenellus Steve Boyd 1992-5-19 7426 Orange Southern Santa Ana Mountains San Mateo Canyon Wilderness Area. Western edge of the wilderness along Lucas Canyon Trail from access road to Rancho Carrillo (7S06) N into Aliso Canyon,. 366 Comment
  UCR79477  Psoralea orbicularis Steve Boyd, T. S. Ross 1992-6-9 7622 San Diego S Santa Ana Mtns, San Mateo Canyon Wilderness Area. Miller Mtn in lower ' Miller Canyon', the principal drainage on the southern flank of the mtn, just upstream from Cold Springs Road. 610 Comment
  RSA348945  Psorothamnus schottii Steve D. Boyd 1986-2-18 1312 Riverside Hwy 195, just W o fthe Coachella Canal, W base of Mecca Hills. Comment
  RSA523470  Pterostegia drymarioides Steve Boyd, Tim S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4029 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA592782  Pterostegia drymarioides Steve Boyd 1996-4-25 8684 Los Angeles Liebre Mountains, Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 915 Comment
  RSA701569  Pterostegia drymarioides Steve Boyd, Heidi Bigelow 2004-4-5 10841 San Diego Pine Hills area, between Magee Flat and Deadman Flat along Eagle Peak Rd. Comment
  SBBG118906  Pterostegia drymarioides S. Boyd with N. Fraga 2004-4-27 11001 San Diego Warner Springs area, near Pacific Crest Trail, S of Hwy 79 and W of Warner Springs resort 898 Comment
  SD136779  Pterostegia drymarioides Steve Boyd, Tim Ross, Dave Bramlet 1993-5-12 7326 Riverside San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches from confluence with Los Alamos Canyon downstream to confluence with Tenaja Canyon 366 Comment
  UCR21525  Pterostegia drymarioides Steve Boyd 1980-4-29 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, c. 0.5 mile NE of the secretary's house 518 Comment
  RSA527758  Pterostegia drymarioides Steve Boyd, Tim S. Ross, L. Arnseth 1990-4-8 4325 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  UC2029950  Pulicaria paludosa Steve Boyd, R. E. Riefner 2000-9-13 10307 Orange SANTA ANA MOUNTAINS: Fremont Canyon, about 1.5 air miles west of Oat [a.k.a. Oak] Flat and 1.5 air miles southeast of Claymont clay mine. Comment
  RSA517862  Purshia glandulosa Steve D. Boyd, Orlando Mistretta 1986-3-31 1518 Los Angeles Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. Comment
  UC1929564  Purshia tridentata var. tridentata Steve Boyd, Michael Denslow, Amber Maurice, Sarah Swartzentruber, Aydee Virgen 2003-6-27 10553 Tulare Sierra Nevada; Southern Sierra Nevada region; Chimney Peak Recreation Area, summit of northern high point on Bear Mountain (Bear Peak). 2509 Comment
  RSA561412  Pycnanthemum californicum Steve Boyd, T. S. Ross, D. E. Bramlet 1992-9-9 7681 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek., Up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  RSA573294  Pycnanthemum californicum Steve Boyd, T. S. Ross 1994-9-14 8351 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, Lucas Canyon just downstream of Lucus Canyon Trail crossing. 311 Comment
  RSA0014961  Quercus agrifolia Steve Boyd, Valentin Arvizu, R. E. Riefner 2006-9-21 11691 -A Los Angeles Side drainage of La Tuna Creek just west of La Tuna Canyon Road offramp from 210 Freeway, adjacent to parking area for Santa Monica Mountains Conservancy reserve lands. Comment
  UCR148072  Quercus agrifolia var. oxyadenia Steve Boyd, LeRoy Gross 2004-5-4 11125 San Diego Peninsular Ranges; Anza Bench region, hills north of Warner Springs, north Indian Flats Campground of Cleveland National Forest along Road 9S05 899 Comment
  RSA570743  Quercus berberidifolia Steve Boyd, Walter Appleby 1993-4-8 7962 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness area of Cleveland National Forest, upper Devil Canyon, vicinity of Mud Spring. 671 Comment
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Dec 26 2016
  RSA574558  Quercus berberidifolia Steve Boyd 1985-7-30 1072 San Diego Lower Cottonwood Canyon, near its confluence with De Luz Creek. Comment
  RSA575900  Quercus berberidifolia Steve Boyd 1994-10-14 8398 Riverside San Mateo Canyon Widerness Area of the Cleveland Nat'l Forest. San Mateo Canyon along San Mateo Trail between N branch of Tenaja Trail and Fishermans Camp. 427 Comment
  RSA595796  Quercus berberidifolia Steve Boyd, Lauren Raz 1996-10-8 9016 Los Angeles Liebre Mountains region, crest of Sierra Pelona area at the headwaters of the westerly fork of Maple Canyon, west of Mount McDill. 1402 Comment
  SD136833  Quercus berberidifolia Steve Boyd 1994-10-14 8399 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, San Mateo Canyon, along San Mateo Trail between north branch of Tenaja Trail & Fisherman's Camp, on mesic north-facing slope 427 Comment
  UC1605403  Quercus berberidifolia Steve Boyd 1994-10-14 8399 Riverside between Tenaja Trail and Fisherman's Camp (San Mateo Canyon, along San Mateo Trail , Southern Santa Ana Mountains); Cleveland Natl. For., Santa Ana Mts., San Mateo Canyon Wilde 426 Comment
  UCR51924  Quercus berberidifolia Steve Boyd 1987-11-23 2097 Riverside Perris-Aguanga basin region, Mt. Russell, north of Lake Perris, Moreno Valley. 762 Comment
  UCR94493  Quercus berberidifolia Steve Boyd 1982-10-28 s.n. Riverside Gavilan Hills, 'Blue Oak Canyon,' tributary of Dawson Canyon draining N flank of Estelle Mountain. 427 Comment
  RSA526499  Quercus chrysolepis Steve Boyd, T. S. Ross 1990-5-11 4694 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  RSA495812  Quercus dumosa Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2922 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
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Jun 24 2010
  RSA0012094  Quercus ilex Steve Boyd, Rick Riefner 2007-4-27 11740 Los Angeles City of Carson, northwestern end shore of Harbor Park Lake (formerly known as Bixby Slough), between Pacific Coast Highway and Vermont Avenue. 43 Comment
  RSA598845  Quercus john-tuckeri Steve Boyd, T. S. Ross 1997-3-21 9219 Los Angeles Liebre Mountains, Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  RSA600130  Quercus wislizeni var. frutescens Steve Boyd, Lauren Raz 1997-5-28 9852 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 866 Comment
  RSA703324  Quercus wislizeni var. frutescens Steve Boyd, LeRoy Gross 2004-5-4 11126 San Diego Hills north of Warner Springs, north Indian Flats Campground of Cleveland National Forest along Road 9S05. 899 Comment
  RSA527593  Rafinesquia californica Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-8 4418 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  RSA527668  Rafinesquia californica Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-8 4288 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  RSA335184  Ranunculus cymbalaria var. saximontanus Steve Boyd, Karlin G. Marsh 1985-6-11 1140 San Bernardino Bear Valley area, North shore of Baker Lake, about 1 mile east of the Stanfield Cut-off. Comment
  RSA583385  Rhamnus californica subsp. tomentella Steve Boyd, Darin Banks 1995-4-6 8443 San Diego Agua Tibia Wilderness Area, northeastern flank of Agua Tibia Mountain, Arroyo Seco tributary at the north base of Eagle Crag, from the Wildhorse Trail east to the main trunk of Arroyo Seco. 976 Comment
  RSA543204  Rhamnus crocea Steve Boyd 1991-3-17 5481 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  RSA544415  Rhamnus crocea Steve Boyd, Tim S. Ross 1991-6-14 6383 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  RSA335025  Rhamnus ilicifolia Steve Boyd 1985-8-7 1111 Riverside Santa Rosa Plateau Region, NW base of Redonda Mesa on Tenaja Road, 0.8 mile east of jct with 8S01 and 8S02. Comment
  SD152765  Rhamnus ilicifolia Steve Boyd 1992-3-31 6750 Riverside Santa Ana Mountains, San Mateo Cyn Wilderness Area. Morgan Trail from Round Potrero W to jtn with Tenaja Tr. In N-fork Bear Creek. 671 Comment
  UC1871202  Rhamnus ilicifolia Steve Boyd, Walter Appleby 1969-12-31 7960 San Diego Peninsular Ranges; Santa Ana Mountains region; Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Devil Canyon, vicinity of Mud Spring. T8S R5W SW/4 SE/4 sec 22. elev. ca. 2200 ft. Comment
  RSA526532  Rhamnus pirifolia Steve Boyd, Tim S. Ross, Arnseth 1990-4-7 4270 Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  UCR21166  Rhus aromatica Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  RSA337339  Rhus integrifolia Steve Boyd, L. LaPre 1981-5-27 s.n. Orange N end of the Santa Ana Mountains along power line road on ridges E of Weir Canyon and the head of Gypsum Canyon. Comment
  SBBG96849  Rhus integrifolia S. Boyd with T. Ross, L. Arnseth 1990-4-7 4203 Los Angeles upper reaches of China Cyn Comment
  UCR71193  Rhus integrifolia Steve Boyd, T. Ross, et al 1990-4-8 4402 Los Angeles Channel Islands, San Clemente Island: east side of island, Bryce Canyon near Malo Point Comment
  UCR94484  Rhus integrifolia Steve Boyd 1981-1-9 s.n. Riverside Peninsular Range, Gavilan Hills, narrows in central Dawson Cyn. 488 Comment
  UCD116929  Rhus ovata Steve Boyd; Heidi Bigelow 2004-4-5 10781 San Diego Peninsular Ranges: Foothills area near Mesa Grande about Wash Tub Falls in Black Canyon, east of Black Mountain, ca. 6 miles south of junction of Mesa Grande Rd. Along Black Canyon Rd. Comment
  UCR95405  Rhus ovata Steve Boyd 1996-4-24 8656 Los Angeles San Gabriel Mtns, Liebre Mtns, NW end of range on the ridgetop & upper slopes of the S flank of Apple Cyn. 1098 Comment
  GH347360  Rhus trilobata var. quinata S. D. Boyd & L. Raz 1997-4-30 9593 Unknown Liebre Mountain Region: About the confluence of Bear Canyon and Pine Canyon, between the southern flank of Liebre Mountain and northern flank of Red Rock Mountain, southwest of Gillette Mine. Near 34 deg 40' 20 N deg 39' 30 W. T7N R17W 865 Comment
  RSA598107  Ribes aureum var. gracillimum Steve Boyd, Lauren Raz 1997-3-4 9154 Los Angeles Liebre Mountains region, Mint Canyon, just southwest of Sleepy Valley, south of Rowher Canyon along Sierra Highway. 671 Comment
  RSA523497  Ribes indecorum Steve Boyd, T. S. Ross, L. Arnseth 1990-3-30 3957 Riverside Vail Lake Area, westerly drainage cyn at N base of 'Big' Oak Mtn. 640 Comment
  RSA543129  Ribes indecorum Steve Boyd, C. Boyd, K. A. Boyd 1991-3-16 5469 Riverside Cahuilla Mountain between Anza and Hemet, SW of Bautista Cyn. 1067 Comment
  RSA543195  Ribes indecorum Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6115 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  RSA543964  Ribes indecorum Steve Boyd, Orlando Mistretta 1991-5-9 6195 Orange Crest of range at Oak Flat, SE of Sierra Peak, just West of Riverside County Line. 793 Comment
  UC1871073 Image available Ribes indecorum Steve Boyd, W. Appleby 1969-12-31 7933 San Diego Peninsular Ranges; Santa Ana Mountains region; Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of Cleveland National Forest, upper Devil Canyon from road 8S01 downstream to vicinity of Mud Springs. T8S R5W SW/4 NW/4 sec. 26, E/2 NE/4 sec. 27, SW/4 SE/4 sec. 22. Elevation: 2400-2150 ft. Comment
  UCR77722  Ribes indecorum Steve Boyd 1991-3-17 5486 Riverside Jurupa Hills, north of Glen Avon. S flank, just west of Soto St to summit east of Pyrite Cyn. Comment
  UCR51926  Ribes malvaceum Steve Boyd, T. S. Elias 1987-4-14 2045 Los Angeles San Gabriel Mtns., Rincon to Red Box Road, south of Rincon Forest Station, north of Glendora 991 Comment
  UC1929419 Image available Ribes malvaceum var. malvaceum Steve Boyd 2007-2-17 11715 San Luis Obispo Coast Ranges, La Panza Range; Los Padres National Forest along Pozo Road at Pozo Summit, at divide between Pozo Creek drainage and Mariana Creek drainage. 803 Comment
  RSA396477  Ribes malvaceum var. viridifolium Steve Boyd, A. Listen, Walter Wisura 1987-4-30 4146 Los Angeles 8.6 miles from Rincon Forest Station along Rincon-Red Box forest rd. Comment
  SD152829  Ribes malvaceum var. viridifolium Steve Boyd, Tim Ross 1992-5-5 7237 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, eastern portions of Oak Flats along the Bluewater Trail 730 Comment
  RSA702309  Ribes nevadense Steve Boyd, Amber Maurice 2004-5-18 11306 Los Angeles Atmore Meadows area. Comment
  RSA0023186  Ribes quercetorum Steve Boyd, T. S. Ross 1997-3-21 9211 Los Angeles Liebre Mountains, Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  UCR99471  Ribes quercetorum Steve Boyd, T. S. Ross 1997-3-21 9211 Los Angeles Liebre Mountains, Portal Ridge, about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring 1183 Comment
  LA50714  Ribes speciosum Leo Boyd; 1953-4-3 sn Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. Faculty Hill (Veteran Ave and Sunset Blvd). 160 Comment
  SD136827  Ribes speciosum Steve Boyd, Orlando Mistretta 1992-4-22 7011 Riverside San Mateo Canyon Wilderness Area; Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 609 Comment
  UCR108368  Ribes speciosum Steve Boyd, B. O'Brien 1998-1-13 10067 Orange Santa Ana Mtns, N end of the Santa Ana Range, head of Mabey Canyon, along Main Divide Road (3S04) about 0.5 mi north of Oak Flat 845 Comment
  RSA725343  Rorippa curvipes var. truncata Steve Boyd, Carol Boyd 2007-9-16 11760 Inyo Rock Creek Lake Drainage, Kenneth Lake, on Tamarack Bench west of Wheeler Ridge and East Fork of Rock Creek. 3140 Comment
  RSA500191  Rorippa palustris subsp. occidentalis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3553 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  CAS-BOT-BC147471  Rosa californica Steve Boyd; Amber Maurice 2004-5-18 11321 Los Angeles Transverse Ranges; Liebre Mountains region: On road leading down towards Atmore Meadows area from main road on crest of Liebre Mountain 1437 Comment
  RSA594310  Rosa californica Steve D. Boyd, Lauren Raz 1996-10-14 9042 Los Angeles Liebre Mountains region, Agua Dulce Canyon, just north of Highway 14 and the confluence with Escondido Canyon, along Agua Dulce Canyon Road. 671 Comment
  RSA702040  Rosa californica Steve D. Boyd, Amber Maurice 2004-5-18 11321 Los Angeles On road leading down towards Atmore Meadows area from main road on crest of Liebre Mountain, at crossing of spring outflow. 1437 Comment
  CAS-BOT-BC158818  Rubus ursinus Steve Boyd; Amber Maurice 2004-5-18 11339 Los Angeles Elizabeth Lake Canyon at and just upstream from confluence with Ruby Canyon, between Warm Springs Mountain and Red Mountain, Transverse Ranges, Libre Mountains region 609 Comment
  SD230288  Rubus ursinus Steve Boyd 1997-9-17 10043 Los Angeles Liebre Mountains Region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, sout of Liebre Mountain. 853 Comment
  RSA593576  Rumex pulcher Steve Boyd, Valerie Soza, Victoria Jotikasthira, Lauren Raz 1996-7-11 8913 B Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to powerplant, just north of upper end of Castaic Lake. 470 Comment
  CAS-BOT-BC433960  Rumex salicifolius Steve Boyd 1992-4-15 6874 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. downstream to the confluence with San Mateo Creek. 487 Comment
  SD152777  Rumex salicifolius Steve Boyd, Tim Ross, Mike Wall 1992-6-4 7548 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Devil Canyon at the confluence with Miller Creek Surrounding slopes with chaparral Common in moist sand along stream. 536 Comment
  UCR200688  Rumex salicifolius Steve Boyd, Aydee Virgen 2004-4-13 10846 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  UCR40203  Rumex salicifolius Steve Boyd 1985-7-30 1067 San Diego Lower Cottonwood Canyon, near confluence with De Luz Creek 156 Comment
  SEINET12899109 Image available Rumex salicifolius S. Boyd 1992-1 6874 Unknown Comment
  RSA557738  Sagina decumbens subsp. occidentalis Steve Boyd, Timothy S. Ross 1992-4-30 7164 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. South branch of Cold Spring canyon, along Cold Spring trail from confluence of the north and south branches of canyon upstream, to four-way crossing of trail at southern edge of inholding surrounding Cold Spring. 518 Comment
  RSA575965  Salix gooddingii Steve D. Boyd 1981-4-10 s.n. Riverside Gavilan Hills region, canyon at southeastern base of 'Rocky Bluff Ridge', east of Estelle Mountain and south of Gavilan Plateau. 610 Comment
  UCR95775  Salix gooddingii Steve Boyd, Mark Elvin, V. Jotikasthira 1996-6-25 8881 Los Angeles Liebre Mtns, SE end of Peace Valley in San Andreas Rift Zone, fault sag south of Hwy 138 and north of the California Aqueduct, c. 0.75 air mi west of Quail Lake 1006 Comment
  SEINET8124981 Image available Salix laevigata S. D. Boyd 1997-1 9199 Unknown Comment
  SEINET8142059 Image available Salix laevigata S. D. Boyd 1996-1 8673 Unknown Comment
  CAS-BOT-BC106969  Salix lasiolepis Steve Boyd; Aydee Virgen 2004-4-13 10847 Riverside Peninsular Ranges; Santa Ana Mountains region: San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  RSA0094960  Saltugilia australis Steve Boyd, Tim Ross 1992-5-15 7395 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 671 Comment
  RSA593475  Saltugilia caruifolia Steve Boyd 1996-5-17 8795 San Diego Palomar Mountains, summit of Aguanga Mountain along Palomar Divide Road (9S07) ca. 2.6 miles east of junction with Halfway Road (9S06). 1387 Comment
  RSA525453  Salvia apiana Steve Boyd, Dave Bramlet 1990-4-29 4498 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  RSA562456  Salvia apiana Steve Boyd, T. S. Ross 1992-5-5 7233 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail 732 Comment
  SD152818  Salvia apiana Steve Boyd, Tim Ross 1992-5-6 7293 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Southern flank of Miller Mountain about upper portions of Miller Canyon, the major drainage on the southern flank of the mountain 701 Comment
  UCR218057  Salvia apiana Steve Boyd, Robert L. Allen 2010-6-24 12300 San Diego Santa Ana Mountains, upper southern flank of Miller Mountain along old road grade in grasslands 793 Comment
  RSA599622  Salvia carduacea Steve Boyd, Lauren Raz 1997-4-16 9516 Los Angeles Liebre Mountains region: Northwest end of the range, Peace Valley due south of the junction of Interstate 5 and Highway 138, and east of Copco Road along narrow paved road which is the continuation of Forest Service road 8N01. 960 Comment
  RSA334654  Salvia clevelandii Steve Boyd 1985-8-7 1092 San Diego Forest Service Road 8S02, 1.2 mi west of jtn of 8S02 8S01, and Tenaja Rds. Santa Rosa Plateau region of the Santa Ana Mountains. Comment
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Jun 5 2008
  OBI70575  Salvia columbariae Steve Boyd, Lauren Raz, Timothy S. Ross 1997-4-1 9460 Los Angeles Liebre Mts Region: Upper watershed of Osito Cyn between I-5 and the Old Ridge Rte, vicinity of Osito Flat, a distinctive, open grassy break in slope under the high tension power lines. T6N R17W, SE 3/4 sec 7 914 Comment
  RSA522748  Salvia columbariae Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3856 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  RSA524579  Salvia columbariae Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4126 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  RSA599328  Salvia columbariae Steve Boyd, Lauren Raz 1997-3-26 9356 Los Angeles Liebre Mountains region: Northern base of Portal Ridge at the mouth of Myrick Canyon, southern edge of the Antelope Valley, south of Fairmont Reservoir. 976 Comment
  SD136811  Salvia columbariae Steve Boyd 1992-4-24 6787 Riverside Santa Ana Mts. San Mateo Cayon Wilderness Area. Along Verudo Trail in Upper watershed of Bluewater Canyon, S of Sitton Peak 792 Comment
  SD231332  Salvia columbariae Steve Boyd, Valentin Arvizu 2008-5-1 11919 Kern Southern Sierra Nevada region; Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley. 1372 Comment
  UC1928555  Salvia columbariae Steve Boyd, Valentin Arvizu 2008-5-1 11919 Kern Sierra Nevada; Southern Sierra Nevada region; Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley. Comment
  UCR147662  Salvia columbariae Steve Boyd, Amber Maurice 2004-5-18 11318 Los Angeles Transverse Ranges; Liebre Mtns region, Road leading down towards Atmore Meadows area from main road, on crest of Liebre Mountain at crossing of spring outflow 1437 Comment
  SD237510  Salvia funerea Steve Boyd 2010-4-19 12272 Inyo Mojave Desert; North Mojave Desert region: Northwest base of Dublin Hills, south of Hwy 178, northwest of Shoshone. 609 Comment
  UCR84860  Salvia funerea Steve Boyd, T. S. Ross, Walter Appleby 1993-3-18 7750 Inyo Northern Mojave Desert, Resting Spring Range, 4 mi east of Shoshone, upper bajada & lower slopes along western side of range, 1.1 mi SE of Hwy 178 700 Comment
  RSA543305  Salvia mellifera Steve Boyd 1991-3-17 5491 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  RSA702026  Salvia mohavensis Steve Boyd, Michael Denslow 2004-3-23 10637 San Bernardino Lavic Mountain, southern end of the Cady Mountains northwest of Ludlow (north of Interstate 40) along powerline/pipeline access road. Comment
  SBBG54650  Salvia munzii S. Boyd 1980-3-23 BC 015 Unknown 10 mi S of El Rosario off Mex 1 Comment
  RSA518151  Salvia pachyphylla Steve Boyd 1990-10-4 5247 San Bernardino New York Mountains, Eastern Mojave Desert. Upper part of Carruther s Canyon on slopes and ridgetops. Comment
  RSA599583  Sambucus mexicana Steve Boyd, Lauren Raz 1997-3-25 9310 Los Angeles Liebre Mountains region: Upper end of broad alluvial valley at head of Cienaga Canyon, southern base of Liebre Mountain, at end of dirt road leading 1 km northeast of Knapp Ranch. 1097 Comment
  UC1608295  Sambucus mexicana Steve Boyd and Tim Ross 1992-5-5 7257 Riverside along Serrano Spring drainage between Lucas Canyon Trail and junction of Bluewater and Verdugo Trails; Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 731 Comment
  UCR40182  Samolus parviflorus Steve Boyd 1985-7-23 1027 San Diego Santa Ana Mtns; Santa Rosa Plateau, De Luz Creek at crossing of Tenaja Trail, c. 0.1 mi west of the junction with De Luz Road 122 Comment
  RSA552728  Sanicula bipinnatifida Steve Boyd, Timothy S. Ross 1992-3-31 6770 Riverside Santa Ana Mountains, clay soil areas on Elsinore Peak. 1011 Comment
  UCR48493  Sanicula bipinnatifida Steve Boyd 1986-3-9 1397 Riverside Peninsular Range, Temescal Canyon, between Indian Truck Trail & Horsethief Wash 367 Comment
  UCR67369  Sanicula bipinnatifida Steve Boyd, T. Ross, et al 1990-3-29 3904 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn, north of Lake 823 Comment
  RSA559480  Sanicula crassicaulis Steve Boyd, Timothy S. Ross 1992-4-28 7086 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. West of Miller Mountain at headwaters of Cold Spring Canyon, along Cold Spring Trail from end of Forest Service Road 8S02 westward to old ranch at Cold Spring. 640 Comment
  RSA562656  Sanicula crassicaulis Steve Boyd, Walter Appleby 1993-4-22 7985 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Vicinity of Los Pinetos Spring, head of Los Pinetos Canyon. 854 Comment
  RSA570705  Sanicula crassicaulis Steve Boyd, W. Appleby 1993-4-8 7924 -B San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of Cleveland National Forest, upper Devil Canyon from road 8S01 downstream to vicinity of Mud Springs. 655 Comment
  RSA595127  Sanicula crassicaulis Steve Boyd, Orlando Mistretta, John Dolan 1996-4-18 8567 Los Angeles Liebre Mountains, upper Osito Canyon between Interstate 5 and the Old Ridge Route on gentle slope with grassland patch and adjacent steeper slopes and canyon bottom. 780 Comment
  RSA595165  Sanicula crassicaulis Steve Boyd 1996-4-25 8690 Los Angeles Liebre Mountains, Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 915 Comment
  RSA701540  Sanicula crassicaulis Steve Boyd, Heidi Bigelow 2004-4-5 10829 San Diego Pine Hills area, between Magee Flat and Deadman Flat along Eagle Peak Rd. Comment
  RSA599658  Sanicula tuberosa Steve Boyd, Lauren Raz 1997-5-1 9676 Los Angeles Liebre Mountains Region: Sierra Pelona ridgeline, about 1.5 miles west of Mt. McDill and 1.3 miles south-southeast of Lincoln Crest, the head of Bouquet Canyon. 1463 Comment
  SBBG118885  Sanvitalia abertii S. Boyd with S. Vanderplank, V. Arvizu 2004-10-13 11571 San Bernardino [SE] end of the Mescal Mtns, S of Clark Mtn and Interstate 15, [SE] of Mountain Pass Comment
  UCR64958  Sanvitalia abertii Steve Boyd 1990-10-4 5259 San Bernardino Eastern Mojave Desert, south base of New York Mtns., 1.4 mi north of New York Mtn Rd. Comment
  UCR148496  Schismus arabicus Steve Boyd, Michael Denslow 2004-3-23 10585 San Bernardino Central Mojave Desert, Lavic Mountain, southern end of the Cady Mountains northwest of Ludlow (north of Interstate 40) along powerline/pipeline access road Comment
  CHSC109698  Schismus barbatus Steve Boyd; Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10474 Riverside Peninsular Ranges, San Jacinto Mountains/Colorado Desert: East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs tram station. Comment
  RSA702334  Schismus barbatus Steve Boyd, Michael Denslow 2004-3-23 10585 San Bernardino Lavic Mountain, southern end of the Cady Mountains northwest of Ludlow (north of Interstate 40) along powerline/pipeline access road. Comment
  IRVC28193  Schismus barbatus Steve Boyd, Tammy Morgan 2004-3-30 10749 San Bernardino Central Mojave Desert region: Pisgah lava beds just S of old route 66 and I-40, W of Ludlow and 7.8 mi. E of Fort Cady Road. Mojave Desert 600 Comment
  RSA517940  Schkuhria multiflora var. multiflora Steve Boyd 1990-10-4 5262 San Bernardino South base of New York Mountains, Eastern Mojave Desert. Mouth of Carruther's Canyon, 1.4 miles north of New York Mountain Road. Comment
  CAS-BOT-BC111536  Schoenoplectus americanus Steve Boyd; Timothy S. Ross; Walter Appleby 1993-3-19 7799 San Bernardino Southern base of the Avawatz Range at the mouth of Sheep Creek Springs Cyn, 600 Comment
  SD153010  Schoenoplectus pungens var. longispicatus Steve Boyd, Tim Ross 1992-4-29 7151 San Diego S. Santa Ana Mtns,San Mateo Cyn Wilderness Area,San Mateo Cyn from eastern-most segment of Clark Trail downstream to border w/Camp PendletonIn shallow water of marshy area in stream near second to last major bend in canyon before Camp Pendleton border 152 Comment
  RSA502196  Scirpus acutus var. occidentalis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3704 Riverside Vail Lake area, sandy wash draining into Wilson Creek at E end of lake Comment
  UCR95375  Scirpus microcarpus Steve Boyd, Lauren Raz 1996-10-8 8998 Los Angeles Liebre Mountains, Bouquet Canyon, c. 1.7 mi south of the junction with Forest Service Road 6N08 561 Comment
  RSA0024700  Scribneria bolanderi Steve Boyd 1995-5-13 8510 Riverside Santa Ana Mountains, west of Onion Hill, southeast of Elsinore Peak area along trail following old Main Divide Road grade. 1006 Comment
  SEINET10602611  Scribneria bolanderi Steve Boyd 1995-5-13 Boyd 8510 Riverside Santa Ana Mountains, west of "Onion Hill", southeast of Elsinore Peak area along trail following old Main Divide Road grade. "Onion Hill" with grassland of Stipa pulchrain areas of heavy clay soil, surrounded by chaparral of Adenostoma fasciculatum, Ceanothus crassifolius, Quercus berberidifolia, Salvia mellifera, and Eriogonum fasciculatum on well-drained granitic soils. 3300 Comment
  SBBG119121  Scrophularia californica S. Boyd with H. Bigelow 2004-4-5 10786 San Diego foothills near Mesa Grande about Wash Tub Falls in Black Cyn, E of Black Mtn, ca. 6 mi S of jct of Mesa Grande Rd along Black Cyn Rd Comment
  RSA702063  Scrophularia californica subsp. floribunda Steve D. Boyd, Heidi Bigelow 2004-4-5 10786 San Diego Foothills area near Mesa Grande about Wash Tub Falls in Black Canyon, east of Black Mountain, ca. 6 miles south of junction of Mesa Grande Rd. along Black Canyon Rd. Comment
  UCR121248  Scrophularia californica subsp. floribunda Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2267 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  UCR225666  Scutellaria siphocampyloides Steve Boyd, Valentin Arvizu 2008-8-20 12016 Kern Sierra Nevada; Southern Sierra Nevada region, Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley. 1407 Comment
  RSA543845  Scutellaria tuberosa Steve Boyd, Orlando Mistretta 1991-5-22 6300 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  RSA571287  Scutellaria tuberosa Steve Boyd, D. L. Banks 1994-4-5 8267 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero. 762 Comment
  UCR79256  Scutellaria tuberosa subsp. australis Steve Boyd, T. S. Ross 1992-5-4 7187 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero 732 Comment
  RSA0081664  Sedum spathulifolium Steve Boyd, Michael Wall 1996-5-16 8777 Los Angeles Liebre Mountains, confluence of Ruby Canyon and Elizabeth Lake Canyon at northwest end of Red Mountain. 585 Comment
  UCR95747  Sedum spathulifolium Steve Boyd, M. Wall 1996-5-16 8777 Los Angeles Liebre Mtns., confluence of Ruby Canyon and Elizabeth Lake Canyon at northwest end of Red Mountain 585 Comment
  OBI37563  Selaginella bigelovii Steve Boyd 1985-8-7 1096 San Diego Santa Rosa Plateau region. Forest Service Road 8S02, 2.3 mi. west of Johnson Ranch (jtn 8S01 & 8S02) Comment
  RSA0014964  Selaginella bigelovii Steve Boyd, Valentin Arvizu, R. E. Riefner 2006-9-21 11696 Los Angeles Side drainage of La Tuna Creek just west of La Tuna Canyon Road offramp from 210 Freeway, adjacent to parking area for Santa Monica Mountains Conservancy reserve lands. Comment
  RSA600212  Selaginella bigelovii Steve Boyd, Lauren Raz 1997-5-28 9898 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 866 Comment
  RSA735790  Selaginella bigelovii Steve Boyd 2007-2-17 11719 San Luis Obispo Los Padres National Forest along Pozo Road about 2 miles east of Pozo Summit, in Marian Creek drainage. 671 Comment
  RSA527626  Selaginella bigelovii Steve Boyd, T. S. Ross, Laurel Arnseth 1990-4-8 4411 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  HSC85281  Senecio californicus Steve Boyd 1986-5-1 1822 Riverside S slopes of Bachelor Mtn, E end of Lake Skinner Comment
  RSA495807  Senecio californicus Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-3-12 2916 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA500984  Senecio californicus Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3103 Riverside Vail Lake area, dried bed of man-made pond and adjacent slopes at N base of rounded knob 1.25 miles WSW of dam. 610 Comment
  RSA524454  Senecio californicus Steve Boyd, Timothy S. Ross, Laurel Arnseth, Jaime Bonilla 1990-4-3 4090 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  RSA525450  Senecio californicus Steve Boyd, David E. Bramlet 1990-4-29 4495 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  SBBG101727  Senecio californicus S. Boyd with T. Ross, M. Hammitt 1991-5-2 6070 Riverside SW and W flanks of Billy Goat Mtn, 3 mi N of Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  SEINET6659392  Senecio californicus Steve Boyd, Tim Ross; Mike Hammitt 1991-5-2 6070 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain 3 mi N Hwy 79, 1 mi W of Hwy 371, N Aguanga.; 0 600 Comment
  RSA543751  Senecio flaccidus var. douglasii Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6055 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  RSA526570  Senecio lyonii Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-7 4278 Los Angeles San Clemente Island, lower half of China Cyn, S end of Island, W side. Comment
  SBBG97025  Senecio lyonii S. Boyd with T. Ross, L. Arnseth 1990-4-8 4408 Los Angeles Bryce Cyn near Malo Pt Comment
  RSA496133  Senecio vulgaris Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-3-19 3015 Riverside Vail Lake area,1 mile W of Lake 610 Comment
  SBBG96985  Senecio vulgaris S. Boyd with T. Ross, L. Arnseth 1990-4-8 4343 Los Angeles near Malo Pt, second cyn S of Bryce Cyn Comment
  RSA527643  Senecio vulgaris Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-8 4397 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  RSA527759  Senecio vulgaris Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-8 4343 Los Angeles San Clemente Island. East side of island, near Malo Point, second canyon south of Bryce Canyon. Comment
  RSA387357  Sesuvium verrucosum Steve Boyd 1986-4-19 1714 Riverside Warm Springs Valley, Alberhill Creek E of Nichols Road. Comment
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Jan 6 2008
  UC1563127  Sesuvium verrucosum Steve Boyd, Tim Ross, Laurel Arnseth 1989-5-7 3549 Riverside Kolb Creek, just s of the lake Kolb Creek; Vail Lake area, Kolb Creek Comment
  CDA2457  Setaria viridis Steve Boyd 1989-7-9 3772 Riverside City of Riverside, 4863 Rubidoux Ave. 0 Comment
  RSA579296  Sibaropsis hammittii Steve Boyd, Timothy S. Ross 1994-3-29 8248 San Diego Southwestern Cuyamaca Mts., Cleveland Nat'l Forest, W base of Viejas Mt., break in slope among West Boundary Road, about 0.25 mile N of water tank and gate. 792 Comment
  RSA0002001  Sibaropsis hammittii Steve Boyd, Timothy S. Ross 1992-3-31 6771 Riverside Santa Ana Mountains, clay soil areas on Elsinore Peak. 1011 Comment
  RSA526087  Sidalcea malviflora subsp. sparsifolia Steve Boyd, T. S. Ross 1990-5-11 4660 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  RSA543865  Silene antirrhina Steve Boyd, David E. Bramlet 1991-5-13 6249 Riverside Domenigoni Hills, N side of Domenigoni-Diamond Valleys ESE of Winchester. Vicinity of ultramafic outcrop on ridge top S of S-end of Warren Road. 549 Comment
  RSA561582  Silene antirrhina Steve Boyd, Orlando Mistretta 1993-5-18 8152 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tuhunga Ranger District of the Angeles National Forest. Upper Sombrero Canyon, just below western end of Sombrero Road (3N64). 792 Comment
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Jun 21 2008
  RSA0081679  Silene bernardina Steve Boyd, David E. Bramlet 1986-6-9 1922 Tulare Chimney Creek Canyon; saddle on E flank Peak 7155, south of Chimney Meadow; Southern Sierra Nevada. 2134 Comment
  UCR148062  Silene gallica Steve Boyd, LeRoy Gross 2004-5-4 11121 San Diego Peninsular Ranges; Anza Bench region, hills north of Warner Springs, north Indian Flats Campground of Cleveland National Forest along Road 9S05 899 Comment
  RSA701677  Silene laciniata subsp. major Steve Boyd, Valerie Soza 2004-6-22 11555 Riverside Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along forest service road 5N13 near 5N06. 1463 Comment
  SD152885  Silene laciniata subsp. major Steve Boyd, Tim Ross 1992-4-29 7118 San Diego Southern Santa Ana Mountains, San Mateo Canyon, southeast of Indian Potrero. 214 Comment
  UCR58856  Silene laciniata subsp. major Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3624 Riverside Butterfield Valley, Vail Lake area, just south of junction of Hwy 79 and road to the marina 460 Comment
  RSA525250  Silene multinervia Steve Boyd, Timothy S. Ross 1990-5-11 4628 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  SBBG101641  Silene multinervia S. Boyd, T. Ross 1990-5-11 4628 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs Cmpgrd, S of Hwy 79 548 Comment
  RSA700966  Sisymbrium altissimum Steve Boyd, LeRoy Gross 2004-5-4 11167 San Diego Hills north of Warner Springs, north Indian Flats Campground of Cleveland National Forest along Road 9S05. 899 Comment
  SD260235  Sisymbrium erysimoides Steve Boyd, Carol Boyd 2011-3-15 12302 Riverside Peninsular Ranges, Santa Rosa Mountains: Western base of Eisenhower Mountain, southeast of The Living Desert at mouth of Deep Canyon. Rocky slopes and wash. 152 Comment
  RSA599259  Sisymbrium irio Steve Boyd, Lauren Raz 1997-3-31 9434 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 914 Comment
  OBI77662  Sisymbrium irio Steve Boyd, Lauren Raz 1997-3-31 9434 Los Angeles Liebre Mts Region: Knapp Ranch area at upper end of Castaic crk drainage in broad alluvial valley at head of Cienaga Cyn, S of Liebre mtn, flats and slopes just NE of ranch compound. T7N R17W NE 1/4 NE 1/4 sec 22 1158 Comment
  RSA598896  Sisymbrium orientale Steve Boyd, Timothy S. Ross 1997-3-21 9212 Los Angeles Liebre Mountains, Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  RSA599773  Sisymbrium orientale Steve Boyd, Lauren Raz 1997-3-25 9267 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain, flats and slopes just northeast of ranch compound. 976 Comment
Read comments
May 30 2007
  RSA524467  Sisyrinchium bellum Steve Boyd, Timothy S. Ross, Laurel Arnseth, J. Bonilla 1990-4-3 4070 Riverside Vail Lake area, upper benches and adjacent slopes of E flank of Big Oak Mountain, S of E summit. 610 Comment
  RSA495455  Solanum americanum Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-3-18 2983 Riverside Vail Lake area, Temecula Creek Cyn below Vail Lake dam. 418 Comment
  RSA735381  Solanum americanum Steve D. Boyd, Mark A. Elvin, Rick Burgess, Lloyd Simpson 2006-11-8 11702 Los Angeles southwestern shore of Quail Lake, extreme western end of Mojave Desert at north base of Liebre Mountains. 1024 Comment
  UCR124277  Solanum americanum Steve Boyd 1998-10-7 10297 Los Angeles West Mojave Desert/Transverse Range, Liebre Mtns. Region. Bouquet Canyon, east of Bouquet Reservoir along Spunky Canyon Road just west of juntion with Bouquet Canyon Road 915 Comment
  RSA526059  Solanum douglasii Steve D. Boyd, L. Arnseth, T. S. Ross 1990-4-6 4157 Los Angeles San Clemente Island: Lemon Tank Cyn, E side of Island. 274 Comment
  RSA596429  Solanum elaeagnifolium Steve D. Boyd, Mark A. Elvin, Victoria Jotikasthira 1996-6-25 8869 Los Angeles Liebre Mountains, along the Ridge Route west of Castaic Canyon, 3.5 miles north of the junction with Templin Highway, under high-tension power lines. 945 Comment
  SBBG101778  Solanum parishii S. Boyd, T. Ross, M. Hammitt 1991-5-2 6116 Riverside Vail Lake region, SW & W flanks of Billy Goat Mtn 3 mi N Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  SBBG119069  Solanum xanti S. Boyd with T. Morgan 2004-5-11 11174 Ventura E of Sespe Cyn near upper end of Tar Crk Rd (and trail); Topa Topa Mtns Comment
  UCR200706  Solanum xanti Steve Boyd, Naomi Fraga 2004-4-27 10979 San Diego Peninsular Ranges; Anza Bench region, hills north of Warner Springs, south of Indian Flats Campground of Cleveland National Forest along Road 9S05 Comment
  UCR40412  Solidago californica Steve Boyd 1985-7-30 1052 San Diego Lower Cottonwood Canyon, near confluence with De Luz Creek 156 Comment
  RSA596695  Solidago confinis Steve Boyd, Lauren Raz 1996-9-24 8936 Los Angeles Liebre Mountains, Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 915 Comment
  SEINET11262434  Solidago confinis Steve Boyd, Lauren Raz 1996-9-24 8936 Los Angeles Liebr Mountains, Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountains.; 0 914 Comment
  UCR95541  Solidago confinis Steve Boyd, L. Raz 1996-9-24 8936 Los Angeles Liebre Mtns, Knapp Ranch area at upper end of Castaic Creek drainage in broad valley at head of Cienaga Canyon, south of Liebre Mtn. 930 Comment
  RSA599517  Sonchus asper Steve Boyd, Lauren Raz, Timothy S. Ross 1997-4-1 9470 Los Angeles Liebre Mountains region: Upper watershed of Osito Canyon between Interstate 5 and the Old Ridge Route, vicinity of Osito Flat, a distinctive, open grassy break in slope under the high tension power lines. 793 Comment
  SD152920  Sonchus oleraceus Steve Boyd, Tim Ross 1992-5-5 7216 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 730 Comment
  CHSC56977  Spergularia macrotheca Josephine Boyd 1988-5-3 San Mateo On Sand Point in the Menlo Park Baylands at the e end of The Embarcadero, ca 0.5 mi e of the Palo Alto Municipal Airport and 0.3 mi nw of the San Mateo County-Santa Clara County boundary. 4 Comment
  CAS-BOT-BC390341  Spergularia macrotheca var. macrotheca Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-7 4250 Los Angeles San Clemente Island. Lower half of China Cyn, S end of island, W side Comment
  RSA0098529  Spergularia marina Steve Boyd, Orlando Mistretta 1996-5-23 8817 Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to powerplant, just north of upper end of Castaic Lake. 470 Comment
  RSA0098519  Spergularia marina Steve Boyd, Timothy S. Ross 1990-5-11 4680 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  RSA0098493  Spergularia salina Steve Boyd, David E. Bramlet 1996-4-19 8627 Riverside San Jacinto Valley: San Jacinto Wildlife Refuge at southwestern edge of Mystic Lake in the San Jacinto River floodplain, N of ''Marsh A'', NE of the refuge headquarters. 433 Comment
  SD136864  Spergularia villosa Steve Boyd, Orlando Mistretta 1992-4-22 7021 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area; Indian Potrero Trail south from Verdugo Potrero to Indian Potrero. 609 Comment
  UCR79257  Spergularia villosa Steve Boyd, Orlando Mistretta 1992-4-22 7021 Riverside Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area. Indian Potrero Trail S from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon 701 Comment
  HSC101613  Sphaeralcea ambigua Steve Boyd 2010-4-19 12262 Inyo Mojave Desert; North Mojave Desert region; Northwest base of Dublin Hills, south of Hwy 178, northwest of Shoshone 610 Comment
  UCR148039  Sphaeralcea ambigua Steve Boyd, Et al. 2004-5-14 11234 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  RSA726208  Sphaeralcea angustifolia Steve Boyd, Tammy Morgan 2004-3-30 10750 San Bernardino Pisgah lava beds just south of old Route 66 and I-40, west of Ludlow and 7.8 miles east of Fort Cady Road. 600 Comment
  UCR65538  Sporobolus cryptandrus Steve Boyd 1990-10-4 5233 San Bernardino Eastern Mojave Desert, New York Mountains. Upper part of Caruther's Canyon on slopes and ridgetops Comment
  RSA502491  Stanleya pinnata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3732 Riverside Vail Lake area: edge of hills on N of Wilson Creek at E end of lake. 488 Comment
  UC1595611  Stebbinsoseris heterocarpa Steve Boyd and Orlando Mistretta 1991-5-22 6283 Riverside e Dorland Mtn (w of Kolb Crk, Vail Lake area, base Agua Tibia Mtn); Vail Lake area, base of Agua Tibia Mtn. 548 Comment
  RSA592781  Stellaria media Steve Boyd 1996-4-25 8674 Los Angeles Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain., From gate at old inholding boundary near spring area along Forest Service Road 7N22 down to beginning of extensive wetland south of the old dry pastures. 915 Comment
  RSA593016  Stellaria nitens Steve Boyd 1996-4-25 8725 Los Angeles Liebre Mountains, western summit of Liebre Mountain, along Forest Service Road 7N23 ca 4 mile NE of jtn with 7N22, near the head of Cold Canyon. 1622 Comment
  UCR79269  Stephanomeria cichoriacea Steve Boyd, T. S. Ross, O. Mistretta 1992-10-2 7708 San Diego Peninsular Range, Santa Ana Mountains, San Mateo Wilderness Area. Lower Devil Canyon upstream 1 mi from the confluence with San Mateo Canyon 183 Comment
  RSA596993  Stephanomeria exigua subsp. coronaria Steve Boyd, Lauren Raz 1996-9-24 8967 Los Angeles Liebre Mountains, western end of Liebre Mountain just north of Forest Service Road 7N23 on broadly rounded summit area at divide between Cold Canyon and Tentrock Canyon. 1616 Comment
  RSA575908  Stephanomeria exigua subsp. deanei Steve Boyd 1994-10-14 8383 Riverside Southern San Mateo Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest. San Mateo Canyon, in canyon bottom at the confluence with Bluewater Canyon. 329 Comment
  UC1605408  Stephanomeria exigua subsp. deanei Steve Boyd 1994-10-14 8383 Riverside San Mateo Canyon at confluence with Bluewater Canyon (benches in canyon bottom); Southern Santa Ana Mts., Cleveland NF, San Mateo Canyon Wild 329 Comment
  RSA496452  Stillingia linearifolia Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3066 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
  RSA522773  Stillingia linearifolia Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3880 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  SEINET13276692 Image available Stipa capensis Steve Boyd, Carol Boyd 2011-1 12303 Riverside Peninsular Ranges. Santa Rosa Mountains region.: Western base of Eisenhower Mountain, southeast of The Living Desert at mouth of Deep Canyon. 366 Comment
  SD137941  Stipa coronata Steve Boyd, Darin L. Banks 1995-4-5 8418 A Riverside Palomar Range, Agua Tibia Wilderness Area, N flank of Agua Tibia Mtn, at E edge of Dripping Springs Alcove in tributary of Arroyo Seco, W of lower Dripping Springs Trail, just S of the Wilderness boundary. Local in rocky alluvium on higher benches. 579 Comment
  HSC66678  Stipa lemmonii D. Boyd, M. Eichelberger, Tim Messick, T. Ranker 1980-5-24 97 Del Norte Low Divide Rd., at turnoff to Sourdough Campground 793 Comment
  UCR37794  Stipa pulchra Steve Boyd 1981-5-13 s.n. Orange South Coast, Pelican Hill, Irvine Ranch Property, San Joaquin Hills south of Corona del Mar 218 Comment
  SEINET10603929  Stipa pulchra Steve Boyd, Timothy S. Ross 1992-5-5 Boyd 7254 Riverside Southern santa Ana Mts. San Mateo Canyon Wilderness Area. Oak Flats along Serrano Spring drainage between Lucas Canyon Trail and Junction of Bluewater and Verdugo Tralis, T7S R6W SE1/4 NE 1/4 sec. 13 T7s R5W W1/4 NW1/4 sec. 18. Dense to open woodland of Quercus agrifolia. 2400 Comment
  RSA701324  Streptanthella longirostris Steve Boyd, Tammy Morgan 2004-3-30 10753 San Bernardino Pisgah lava beds just south of old Route 66 and I-40, west of Ludlow and 7.8 miles east of Fort Cady Road. 600 Comment
  RSA689720  Streptanthus cordatus var. cordatus Steve Boyd, Michael Denslow, Amber Maurice, Sarah Swartzentruber, Aydee Virgen 2003-6-27 10519 Tulare Chimney Peak Recreation Area, summit of northern high point on Bear Mountain (Bear Peak). 2509 Comment
  RSA387344  Stylocline gnaphaloides Steve Boyd 1986-5-7 1824 Riverside Alberhill Mountain: Lower slopes of south flank, just E of claymine area. Comment
  RSA600411  Stylocline gnaphaloides Steve Boyd, Lauren Raz 1997-4-30 9636 Los Angeles Liebre Mountains Region: About the confluence of Bear Canyon and Pine Canyon, between the southern flank of Liebre Mountain and northern flank of Red Rock Mountain, southwest of Gillette Mine 866 Comment
  RSA475293B  Stylocline micropoides Steve Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2107 Riverside N. end Palen Mountains, 2 miles west of Palen Pass. 300 Comment
  RSA565638  Stylocline micropoides Steve Boyd, Timothy S. Ross, Walter Appleby 1993-3-18 7735 Inyo Resting Spring Range, 4 miles east of Shoshone, upper bajada and lower slopes along western side of range, 1.1 miles SE of Highway 178. 600 Comment
  RSA485381B  Stylocline psilocarphoides Steve Boyd, Carol Boyd 1987-4-12 2007 Inyo South end of Greenwater Valley, 0.3 mile NW of jtn w/ Hwy 178, 2 miles W of Shoshone. Comment
  OBI70940  Tauschia arguta Steve Boyd, Lauren Raz 1997-3-25 9282 Los Angeles Liebre mts Region: Knapp Ranch area at upper end of Castaic Crk drainage in broad alluvial valley at head of Cienaga Cyn, S of liebre Mt, flats and slopes just NE of ranch compound 1036 Comment
  UCR37413  Tauschia arguta Steve Boyd 1981-5-22 s.n. Riverside Lakeview Mountains, 3 mi ESE of Lakeview below the summit of Mt. Rudolf 795 Comment
  RSA507960  Tauschia parishii Steve Boyd, C. Boyd, Kyle Boyd, R. Noyes, L. Arnseth 1988-5-28 2278 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. 1500 Comment
  UC1511332  Tauschia parishii Steve Boyd and Karlin Marsh 1985-6-11 1169 San Bernardino about 1 mi e of the Stanfield Cut-off n shore Baker Lake (Bear Valley area); San Bernardino Mountains, n shore Baker Lake, Bear Valley ar Comment
  UCR138461  Tauschia parishii Steve Boyd, D. E. Bramlet 1986-6-9 1884 Tulare Southern Sierra Nevada Mtns., Chimney Creek Canyon, side canyon south of peak 7155 [7125], south of Chimney Creek Meadow 1738 Comment
  RSA596999  Tetradymia canescens Steve Boyd, Lauren Raz 1996-9-24 8974 Los Angeles Liebre Mountains, Sawmill Mountain along Forest Service Road 7N23 on broadly rounded summit area at divide between Devils Gulch and Fish Canyon. 1622 Comment
  UCR39590  Tetradymia canescens Steve Boyd 1983-7-25 s.n. San Bernardino San Bernardino Mtns, Near Onyx Summit at Cienaga Seca, west of Hwy 38 2500 Comment
  UCR95521  Tetradymia canescens Steve Boyd, L. Raz 1996-9-24 8974 Los Angeles San Gabriel Mtns., Sawmill Mtn along Forest Service road 7N23 on broadly rounded summit area at divide between Devils Gulch and Fish Canyon 1622 Comment
  UC1871198  Tetradymia comosa Steve Boyd, Tim Ross, Travis Columbus 1993-10-23 8195 Riverside Peninsular Ranges; Santa Ana Mountains region; Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Morrell Canyon along Morgan Trail (5W02). T6S R5W W/2 SE/4 sec. 22. E/2 NW/4 sec. 27. Elev. 2880 - 2480 ft. Comment
  UCR108216  Tetradymia glabrata Steve Boyd, Kent Hughes 1998-5-5 10188 Los Angeles West Mojave Desert, Antelope Valley, along Hwy 138 (West Ave. D), west of the junction with Hwy 14, at intersection with 140th Street, c. 4 mi. SW of Rosamond Dry Lake 701 Comment
  RSA526174  Thalictrum fendleri Steve Boyd, Tim S. Ross 1990-5-11 4676 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  CAS-BOT-BC66590  Thysanocarpus curvipes Steve Boyd; LeRoy Gross 2004-5-4 11028 San Diego Peninsular Ranges. Anza Bench Region. Hills north of Warner Springs. Indian Flats Campground of Cleveland National Frst. Comment
  RSA0057442  Thysanocarpus curvipes Steve Boyd, Lauren Raz 1997-3-31 9418 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 914 Comment
  RSA701386  Thysanocarpus curvipes Steve Boyd, LeRoy Gross 2004-5-4 11157 -A San Diego Hills north of Warner Springs, north Indian Flats Campground of Cleveland National Forest along Road 9S05. 899 Comment
  RSA701493  Thysanocarpus curvipes Steve Boyd, Heidi Bigelow 2004-4-5 10798 San Diego Pine Hills area, between Magee Flat and Deadman Flat along Eagle Peak Rd. Comment
  UCR147964  Thysanocarpus curvipes Steve Boyd, LeRoy Gross 2004-5-4 11157 A San Diego Peninsular Ranges; Anza Bench region, hills north of Warner Springs, north Indian Flats Campground of Cleveland National Forest along Road 9S05 899 Comment
  RSA0074057  Thysanocarpus curvipes subsp. curvipes Steve Boyd, Tim Ross 1990-5-11 4684 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  RSA0041837  Thysanocarpus curvipes var. curvipes Steve Boyd, Orlando Mistretta, John Dolan 1996-4-18 8589 Los Angeles Liebre Mountains, northwestern base of the range at the extreme southeastern end of Peace Valley along Angeles National Forest Road 8N01 6.7 road miles from jtn with 8N05 and ca 1.0 road mile from West Branch California Aqueduct 1098 Comment
  RSA592811  Thysanocarpus curvipes var. curvipes Steve Boyd, Orlando Mistretta 1996-5-1 8753 Los Angeles Liebre Mountains, Sawmill Mountain, upper slopes and summit at head of Heryford Canyon, east of the junction of 7N23 and 7N08. 1524 Comment
  UC1608246  Thysanocarpus curvipes var. elegans Steve Boyd, Tim Ross, Orlando Mistretta, Kendall McCulloh 1992-3-11 6719 San Diego San Mateo Canyon Wilderness Area Upper Devil Cyn (Santa Ana Mtns., from 8S01 downstream to large waterfall area); Santa Ana Mtns., San Mateo Canyon Wilderness Area 640 Comment
  RSA0124163  Thysanocarpus desertorum Steve Boyd, D. Charlton, L. Arnseth, S. Meury, Richard Noyes, D. Nordin, Timothy S. Ross 1988-4-8 1732 San Bernardino South side of Ord Mtn. N of Lucerne Valley. 10 miles N of the Bear Valley Rd. on Camp Rock Rd. 1372 Comment
  SBBG96961  Thysanocarpus laciniatus S. Boyd with T. Ross, L. Arnseth 1990-4-8 4301 Los Angeles near Malo Pt, third cyn S of Bryce Cyn Comment
  SD217255  Thysanocarpus laciniatus Steve Boyd, Tim Ross and Laurel Arnseth 1990-4-8 4301 Los Angeles San Clemente Island, east side of island; Bryce Canyon near Malo Point. Comment
  UCR71328  Thysanocarpus laciniatus Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4438 Los Angeles Channel Islands, San Clemente Island: east side of island, Bryce Canyon near Malo Point Comment
  RSA0041682  Thysanocarpus laciniatus Steve Boyd, Walter Appleby 1993-4-22 7994 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Vicinity of Los Pinetos Spring, head of Los Pinetos Canyon. 854 Comment
  UC1563051  Thysanocarpus laciniatus var. hitchcockii Steve Boyd and Orlando Mistretta 1986-3-31 1540 Los Angeles 4 mi e Highway 138 junction with Highway 18 (ne of Pinyon Hills); Mojave Desert, ne of Pinyon Hills Comment
  RSA0103354  Tiquilia canescens var. pulchella Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11221 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  UCR21884  Townsendia scapigera Steve Boyd 1980-5-25 s.n. Inyo Inyo Mtns, Off road 3.2 mi [north-]west of the 3 fork junction at Lee Flat, on White Mtn. Talc Road 1677 Comment
  RSA335179  Tragopogon dubius Steve Boyd, Karlin G. Marsh 1985-6-11 1180 San Bernardino Bear Valley area, North shore of Baker Lake, about 1 mile east of the Stanfield Cut-off. Comment
  RSA387403  Trichoptilium incisum Steve Boyd 1986-2-6 1256 Imperial Cargo Muchacho Mtns; Bajada E of the Mts., Powerline Road 5.0 mi W of Picacho Rd. Comment
  RSA560495  Trichostema austromontanum subsp. austromontanum Steve Boyd, T. S. Ross, Mike Wall 1992-6-2 7497 San Diego Southern Santa Ana Mts., San Mateo Canyon Wilderness Area. Devil Canyon from confluence with Miller Creek downstream approximately one mile. 487 Comment
  SD136808  Trichostema lanceolatum Steve Boyd, Darin Banks 1994-9-8 8334 Riverside Southern Santa Ana Mountains, just outside of the San Mateo Canyon Wilderness Area of the Cleveland National Forest, flat northeast of the upper end of Tenaja Canyon, south of Wildomar Truck Trail. 597 Comment
  RSA702303  Trichostema parishii Steve Boyd, Lisa Rojas 2004-5-26 11350 San Diego In-Ko-Pah Mountains, western flank of Thing Valley, northeast of transit station Posta, Cleveland National Forest along forest service road. 1463 Comment
  RSA525236  Trifolium albopurpureum Steve Boyd, T. S. Ross 1990-5-11 4613 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  RSA561130  Trifolium albopurpureum Steve D. Boyd 1992-5-6 7305 San Diego Southern Santa Ana Mts., San Mateo Canyon Wilderness Area. Southern flank of Miller Mt. about upper portions of 'Miller's Canyon'. The major drainage on the southern flank of the Mt. 701 Comment
  HSC85417  Trifolium depauperatum var. amplectens Steve Boyd 1986-3-9 1390 Riverside Temescal Canyon: Alberhill Mtn., S slope of mtn., just E of claymine area 459 Comment
  RSA543944  Trifolium depauperatum var. amplectens Steve D. Boyd, David E. Bramlet 1991-5-13 6224 Riverside Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. N of Santa Fe RR tracks, W of San Diego aqueduct. Comment
  RSA668672  Trifolium depauperatum var. truncatum Steve Boyd 2001-4-12 10416 Riverside Gavilan Hills Region: South base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street, in the vicinity of the site of Tera Cotta. Comment
  UCR200680  Trifolium gracilentum Steve Boyd, Heidi Bigelow 2004-4-5 10815 San Diego Peninsular Ranges/ Cuyamaca-Laguna Mtns region, Pine Hills area, between Magee Flat and Deadman Flat along Eagle Peak Road Comment
  RSA543616  Trifolium hirtum Steve D. Boyd, Orlando Mistretta, L. Arnseth 1991-5-6 6151 Riverside Santa Ana Mtns, along Main Divide Truck Trail SE of El Cario Guard Station. Comment
  RSA559365  Trifolium hirtum Steve D. Boyd, Tim S. Ross, D. Bramlet 1993-5-13 7379 a Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile 412 Comment
  RSA559941  Trifolium hirtum Steve D. Boyd 1992-4-18 6892 Riverside South end of French Valley, just W of Lake Skinner at intersection of Borell Road and Bootleg Road. Comment
  RSA562123  Trifolium hirtum Steve D. Boyd, Tim S. Ross 1992-4-1 6780 Riverside Santa Ana Mtns, Elsinore Peak area, S of lake Elsinore. North base of Peak (3448) to SE of Elsinore Peak. Along the Main Divide Road. 1012 Comment
  SBBG97006  Trifolium microcephalum S. Boyd with T. Ross, L. Arnseth 1990-4-8 4379 Los Angeles near Malo Pt, third cyn S of Bryce Cyn Comment
  OBI70983  Trifolium obtusiflorum Steve Boyd, Lauren Raz 1997-4-30 9616 Los Angeles Liebre Mts Region: About the confluence of Bear Cyn and Pine Cyn, between the S flank of Liebre Mtn and N flank of Red rock Mtn, SW of Gillette Mine. T7N R17W E1/2 NE 1/4 NW 1/4 sec 23 914 Comment
  RSA600466  Trifolium obtusiflorum Steve Boyd, Lauren Raz 1997-4-30 9616 Los Angeles Liebre Mountains Region: About the confluence of Bear Canyon and Pine Canyon, between the southern flank of Liebre Mountain and northern flank of Red Rock Mountain, southwest of Gillette Mine. 866 Comment
  UCR98799  Trifolium obtusiflorum Steve Boyd, Lauren Raz 1997-4-30 9616 Los Angeles Liebre Mountains, About the confluence of Bear Canyon & Pine Canyon, between the southern flank of Liebre Mountain & northern flank of Red Rock Mountain, SW of Gillette Mine 915 Comment
  RSA515182  Trifolium variegatum Steve D. Boyd, David E. Bramlet, Bob Boyd 1986-6-9 1852 Tulare Southern Sierra Nevada Mtns: Chimney Creek Canyon, side canyon So. Peak 7155 south of Chimney Creek Meadow Comment
  SBBG105039  Trifolium wigginsii S. Boyd, S. Meury, A. Liston 1988-7-19 2647 Unknown Sierra San Pedro Martir, meadows along rd heading S of Vallecitos towards La Encantada, base of Cerro Botella Azul Comment
  RSA583361  Trifolium willdenovii Steve Boyd, Darin L. Banks 1995-4-5 8419 A Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the eastern edge of the Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary. 579 Comment
  UC1608251  Trifolium willdenovii Steve Boyd 1992-4-14 6864 Riverside along Blue Water Trail (Blue Water Cyn, downstream to the confluence with San Mateo Creek); Santa Ana Mtns, San Mateo Canyon Wilderness Area 335 Comment
  UCR70890  Trifolium willdenovii Steve Boyd, T. S. Ross 1990-5-11 4612 Riverside Agua Tibia Mountains, Cleveland National Forest, base of Agua Tibia Mtn, east of Dripping Springs campground, south of Hwy 79 671 Comment
  UCR71306  Trifolium willdenovii Steve Boyd, Et al. 1990-4-8 4326 B Los Angeles Channel Islands, San Clemente Island: E side of island near Malo Point, second canyon south of Bryce Canyon Comment
  UCR99369  Trifolium willdenovii Steve Boyd, Et al. 1997-4-20 9536 Kern San Emigdio Range, San Emigdio Ranch, Los Lobos Canyon. 915 Comment
  RSA526549  Trifolium willdenovii Steve D. Boyd, Tim S. Ross, Laurel Arnseth 1990-4-7 4235 Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  RSA526606  Trifolium willdenovii Steve D. Boyd, Tim S. Ross, Laurel Arnseth 1990-4-7 4190 A Los Angeles San Clemente Island: Upper reaches of China Canyon, S end of island, W side. Comment
  SEINET10577883  Trifolium willdenovii Steve Boyd 1991-5-10 Boyd 6222 Riverside Temescal Cyn, E base of Santa Ana Mountains. Terrace escarpment just SE of Indian Truck Trail offramp of I-15, S of DePalma Rd. T5S R6W, N 1/2 NE 1/4 sec. 13. Overgrazed and burned coastal sage scrub on volcanic substrate. Comment
  CHSC101341  Trifolium wormskioldii Steve Boyd; Valentin Arvizu 2008-5-1 11958 Kern Sierra Nevada; Southern Sierra Nevada region: Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley. 1418 Comment
  SD136867  Triodanis biflora Steve Boyd 1992-6-10 7631 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness area, San Mateo Canyon about Potrero Escondido, due west of the junction of Tenaja Road and Los Alamos Road at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek. 671 Comment
  UCR79489  Triodanis biflora Steve Boyd, T. S. Ross 1992-6-10 7631 Riverside Southern Santa Ana Mtns., San Mateo Canyon Wilderness Area, Santa Ana Mountains; about 'Potrero Escondido', an isolated area of low relief topping the ridge system due west of jct. Tenaja Rd. & Los Alamos Rd at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek 673 Comment
  HSC65828  Triteleia hyacinthina D. Boyd, M. Eichelberger, Tim Messick, Tom Ranker 1980-5-3 74 Tehama 1.5 mi. SSW of BM1797 on Rd. 29N15 610 Comment
  RSA599535  Triteleia ixioides subsp. scabra Steve Boyd, A. C. Sanders, R. T. Hawke, S. Hawke, S. Hobbs, P. Hobbs 1997-4-20 9561 Kern San Emigdio Range: Pleito Hills region, San Emigdio Ranch, ridge on west side of Pleito Canyon, approximately 4.5 air miles due north of Antimony Peak. 1098 Comment
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Jul 5 2010
  RSA571294  Triticum aestivum Steve Boyd, Darin Banks 1994-4-5 8274 Riverside San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of verdugo Potrero, near the water tank and Lucas Canyon Trailhead. 747 Comment
  RSA611350  Triticum aestivum Steve Boyd 1998-4-1 10132 Los Angeles Mojave Desert: Antelope Valley, along Highway 138 (West Avenue D), ca. 1.25 miles northwest of Fairmont Butte (Poppy Preserve). 816 Comment
  UCR198370  Tropidocarpum gracile Steve Boyd, Valentin Arvizu 2008-5-1 11946 Kern Southern Sierra Nevada Range, Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley 1463 Comment
  SEINET7992236  Tropidocarpum gracile var. dubium Steve Boyd 1997-3-21 9240 Unknown Los Angeles, California, Liebre Mountains, Portal Ridge, upper Broad Canyon 1300 Comment
  CAS-BOT-BC74023  Turritis glabra Steve Boyd; C. Boyd; K. Boyd; R. Noyes; L. Arnseth 1988-5-28 2290 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. 0.5 mile south of saddle. 1700 Comment
  UCR224029  Umbellularia californica Steve Boyd, Valentin Arvizu, Rick Riefner 2006-9-21 11689 Los Angeles Transverse Ranges; Verdugo Mountains region, Along La Tuna Creek between La Tuna Canyon Road and 210 Freeway. Comment
  RSA730923  Uropappus lindleyi Steve Boyd, Valentin Arvizu 2008-5-1 11913 Kern Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley 1372 Comment
  UCR95346  Urtica urens Steve Boyd 1996-4-25 8676 Los Angeles San Gabriel Mtns, Liebre Mtns, Knapp Ranch area at upper end of Castaic Creek drainage in broad valley at head of Cienaga Cyn, south of Liebre Mtn. From gate at old inholding boundary near spring area along Forest Service Road 7N22 down to beginning of extensive wetland south of the old dry pastures 1000 Comment
  UCR51975  Vaccinium cespitosum Steve Boyd, C. Boyd 1987-7-3 2084 Inyo Sierra Nevada Mtns., NW of Bishop in Granite Park area of upper Pine Creek Drainage 3506 Comment
  RSA628346  Verbascum thapsus Steve D. Boyd 1998-10-7 10296 Los Angeles Bouquet Canyon, east of Bouquet Reservoir along Spunky Canyon Road just west of junction with Bouquet Canyon Road. 915 Comment
  RSA701267  Verbena gooddingii Steve D. Boyd, Sula Vanderplank, Valentin Arvizu 2004-10-13 11590 San Bernardino Northern end of the Mescal Mountains, south of the Clark Mountains and Interstate 15, east of Mountain Pass. Comment
  RSA335006  Verbena lasiostachys Steve D. Boyd 1985-8-7 1105 Riverside Santa Rosa Plateau Region, NW base of Redonda Mesa on Tenaja Road, 0.8 mile east of jct with 8S01 and 8S02. Comment
  RSA595134  Veronica anagallis-aquatica Steve D. Boyd 1996-4-25 8699 Los Angeles Liebre Mountains, Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 915 Comment
  SD152741  Veronica anagallis-aquatica Steve Boyd 1992-4-23 7049 Riverside San Mateo Canyon Wilderness Area. Along San Mateo Creek from Riverside County line, following San mateo Trail upstream to the confluence with Bluewater Canyon 244 Comment
  RSA508009  Vicia americana Steve D. Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2299 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  RSA599768  Vicia americana Steve Boyd, Dave Bramlet, Harry Spilman, Nancy Hanson, Susan Hobbs 1997-5-10 9787 Los Angeles Liebre Mountains region: Along summit of Liebre Mountain near head of Robinson Canyon, vicinity of concrete wildlife drinker site, north of Forest Service Road 7N23. 1097 Comment
  UC1608228  Vicia benghalensis Steve Boyd, Tim Ross, Mike Wall 1992-6-2 7515 San Diego approx 1 mi downstream Devil Canyon confluence with Miller Creek (Devil Canyon); Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 487 Comment
  RSA611629  Vicia hassei Steve Boyd, Valerie Soza, Mike Kinney, J. Mark Porter 1998-3-24 10111 Los Angeles Plum Canyon southwest of Cruzan Mesa along Arline Road ca 2 miles west of junction with Sierra Highway in Mint Canyon. 609 Comment
  UCR68922  Vicia ludoviciana Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4260 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 Comment
  RSA726861  Vicia ludoviciana subsp. ludoviciana Steve D. Boyd, Aydee Virgen 2004-4-13 10883 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  RSA593408  Vicia ludoviciana var. ludoviciana Steve Boyd 1996-5-17 8813 San Diego Anza Bench region (extensive upland area north of Palomar Mountains and Warner Valley, and south of the San Jacinto Mountains) northwest of Hot Springs Mountain, along 9S05 ca. 1.5 miles northwest of Indian Flats Campground., Cleveland National Forest; in low gradient drainage which heads southeast to the San Luis Rey River. 1170 Comment
  RSA560837  Vicia sativa Steve D. Boyd, Tim S. Ross 1992-5-4 7185 Riverside Southern Santa Ana Mountains., San Mateo Canyon Wilderness Area. Oak Flats area E of Verdugo Potrero. 732 Comment
  UC1608229  Vicia sativa Steve Boyd, Tim Ross, Orlando Mistretta 1992-3-31 6764 Riverside Tenaja Trail Santa Ana Mountains, San Mateo Canyon Wilderness Area (from junction with Morgan Trail s to Pigeon Spring area, San Mateo Canyon Wilderness Area) 670 Comment
  RSA387374  Vicia villosa Steve D. Boyd 1986-4-16 1690 Riverside Gavilan Hills: Gate to Mead Valley Landfill. Comment
  RSA544291  Vicia villosa Steve D. Boyd 1991-6-14 6356 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  RSA571311  Vicia villosa Steve D. Boyd, D. L. Banks 1994-4-5 8259 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero. 762 Comment
  RSA552766  Viola pedunculata Steve D. Boyd, Tim S. Ross, Orlando Mistretta 1992-3-31 6752 -A Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 671 Comment
  RSA526058  Viola pedunculata Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-4-6 4156 Los Angeles San Clemente Island: Lemon Tank Cyn, E side of Island. 274 Comment
  RSA520750  Viola pinetorum subsp. pinetorum Steve D. Boyd, David E. Bramlet 1986-6-9 1934 Tulare Chimney Creek Canyon, N slope Peak 7155, S Chimney Meadow. 2073 Comment
  RSA0121754  Vitis girdiana Steve D. Boyd 1991-3-17 5492 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  SD122916  Vitis girdiana Steve Boyd 1985-7-23 1013 Riverside De Luz Rd., 8 mi west of Rancho California, shaded canyon bottom of Sandia Creek 305 Comment
  SD152732  Vitis girdiana Steve Boyd, Tim Ross 1992-4-29 7150 Unknown San Mateo Canyon Wilderness Area. San Mateo Canyon from eastern-most segment of the Clark Trail downstream to the border with Camp Pendleton 152 Comment
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Apr 25 2016
  RSA0121763  Vitis girdiana Steve D. Boyd, Tim S. Ross 1992-4-29 7150 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from eastern-most segment of the Clark Trail downstream to the border with Camp Pendleton. 152 Comment
  RSA526505  Vulpia microstachys var. pauciflora Steve Boyd, Timothy S. Ross 1990-5-11 4700 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  RSA495811  Vulpia myuros var. hirsuta Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-3-12 2921 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA523469  Vulpia myuros var. hirsuta Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4028 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA480080  Vulpia octoflora Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2170 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  RSA560411  Vulpia octoflora Steve Boyd 1992-4-14 6827 Riverside San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail 341 Comment
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Oct 5 2009
  UC1608252  Vulpia octoflora var. glauca Steve Boyd 1992-4-14 6827 Riverside w flank Bluewater Canyon (along Bluewater Trail); Santa Ana Mtns., San Mateo Canyon Wilderness Area 341 Comment
  RSA583736  Vulpia octoflora var. hirtella Steve Boyd 1995-4-24 8495 Riverside Palomar Range, Agua Tibia Wilderness Area, northeastern base of Wildhorse Peak, west of Devil's Hole, along the Wildhorse Trail near the rounded gabbro peak known as ''Agua''. 762 Comment
  CAS-BOT-BC186023  Vulpia octoflora var. octoflora Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 4025 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Sta. 609 Comment
  RSA611358  Vulpia octoflora var. octoflora Steve Boyd, Valerie Soza, Mike Kinney, J. Mark Porter 1998-3-24 10117 B Los Angeles Liebre Mountains region: Plum Canyon southwest of Cruzan Mesa along Arline Road ca 2.4 miles west of junction with Sierra Highway in Mint Canyon., Near 34? 27' 53.5''N 118? 27' 26.0'' W. 609 Comment
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Jul 2 2014
  RSA544325  Xanthium strumarium Steve Boyd 1991-9-8 6433 Riverside Peninsular Range Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371. 600 Comment
  RSA561091  Xylococcus bicolor Steve Boyd 1992-4-21 6990 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Northwestern summit and slopes of Miller Mountain. 792 Comment
  RSA561116  Xylococcus bicolor Steve Boyd, T. S. Ross, D. E. Bramlet 1993-5-12 7319 Riverside Southern Santa Ana Mountains, Sant Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon. 365 Comment
  SD152869  Xylococcus bicolor Steve Boyd, Tim Ross 1992-4-29 7145 San Diego Southern Santa Ana Mountains, San Mateo Canyon from easternmost segment of the Clark Trail downstream to the border with Camp Pendleton. 149 Comment
  UCR79218  Xylococcus bicolor Steve Boyd 1992-4-21 6990 San Diego Peninsular Range; Santa Ana Mtns., Southern Mts, San Mateo Canyon Wilderness Area, NW summit and slopes of Miller Mtn. 854 Comment
  CAS-BOT-BC326811  Xylorhiza tortifolia S. Boyd; D. Charlton; L. Arnseth; S. Meury; D. Nordin; R. Noyes; T. Ross 1988-4-8 1727 San Bernardino South Side of Ord Mtn. Norht of Lucerne Valley, 10 miles north of the Bear Valley Road on Camp Rock Road 1371 Comment
  RSA387388  Xylorhiza tortifolia Steve Boyd, M. Doyle, B. Roy, Sara Meury 1986-4-12 1653 San Bernardino Lucerne Valley, just E of Rabbit Dry Lake, off Hwy. 18. Comment
  RSA594207  Yucca brevifolia Steve Boyd, Lauren Raz 1996-10-14 9090 Los Angeles Liebre Mountains region, extreme northwestern corner of the range in Peace Valley, small side canyon just east of Interstate 5 off Copco Road. 991 Comment
  RSA583626  Yucca whipplei var. whipplei Steve Boyd, Darin L. Banks 1995-4-5 8433 Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the eastern edge of the Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary. 579 Comment
  RSA727892  Yucca whipplei var. whipplei Steve Boyd, LeRoy Gross 2004-5-4 11134 San Diego Hills north of Warner Springs, north Indian Flats Campground of Cleveland National Forest along Road 9S05. 899 Comment
  UCR77683  Zigadenus fremontii Steve Boyd, Orlando Mistretta 1991-5-22 6281 Riverside Agua Tibia Mountains, Vail Lake area, base of Agua Tibia Mountain, east of Dorland Mountain, west of Kolb Creek 793 Comment
  UCR48430  Ziziphus parryi Steve Boyd, C. Boyd, B. Roy 1986-2-2 1207 San Diego Peninsular Range/ Sonoran (Colorado) Desert, Hwy S-2 (San Felipe Road), 10.3 mi south of the junction with Hwy 79 in San Felipe Valley Comment



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