Search Results — 2000 specimen records retrieved (1854 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
  CAS-BOT-BC177028  Acacia dealbata Steve Boyd; Rick Riefner 2007-1-16 11708 San Diego Coastal Plains & Basins; South Coastal Plain region: Solana Beach, southern shore of San Elijo Lagoon between Highway 5 and Pacific Coast Highway 6 Comment
  SBBG55057  Acalypha californica S. Boyd 1980-3-23 BC 025 Unknown 10 mi S of El Rosario off Mex 1 Comment
  RSA0076537  Acanthomintha obovata subsp. cordata Steve Boyd, Orlando Mistretta, John Dolan 1996-4-18 8558 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
  CAS-BOT-BC210590  Achnatherum coronatum Steve Boyd; LeRoy Gross 2004-5-4 11065 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
  RSA559321  Achnatherum coronatum Steve Boyd, Timothy S. Ross, Dave Bramlet 1992-5-13 7366 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Los Alamos Canyon at mouth of Wildhorse Canyon. 412 Comment
  RSA575824  Achnatherum coronatum Steve Boyd 1981-4-29 s.n. Riverside Gavilan Hills region, western flank of Estelle Mountain above entrenched meander of Temescal Creek, northwest of Lee Lake. 366 Comment
  RSA599824  Achnatherum coronatum Steve Boyd, Lauren Raz 1997-3-31 9398 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
  SEINET4692079 Image available Achnatherum coronatum Steve Boyd, Lauren Raz 1997-1 9398 Los Angeles Liebre Mountains Region: Knapp Ranch area at upper end of Castaic Creek in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain 914 Comment
  RSA683356  Achnatherum hymenoides Steve Boyd, Michael Denslow, Amber Maurice, Sarah Swartzentruber, Aydee Virgen 2003-6-27 10562 Tulare Chimney Peak Recreation Area, summit of northern high point on Bear Mountain (Bear Peak). 2509 Comment
  RSA599566  Achnatherum speciosum Steve Boyd, A. 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. 1098 Comment
  CAS-BOT-BC204762  Acmispon argophyllus var. argenteus Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-8 4309 Los Angeles San Clemente Island. E side of island, near Malo Point, first cyn S of Bryce Cyn. Comment
  SD215527  Acmispon strigosus Steve Boyd, Tim Ross, et al. 1990-4-2 4033 Riverside Vail Lake area, lower slopes of Agua Tibia Mountain along Highway 79, east of USFWS Dripping Springs Guard Station. 487 Comment
  OBI70616  Acmispon wrangelianus Steve Boyd, Lauren Raz 1997-3-31 9438 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, T7N R17W NE 1/4 NE 1/4 sec 22 1158 Comment
  CAS-BOT-BC29243  Acourtia microcephala Steve Boyd; Tammy Morgan 2004-5-11 11179 Ventura Transverse ranges: Mount Pinos Region: Topa Topa Mtns, east of Sespe Cny near upper end of Tac Creek Rd (and trail) Comment
  UC1719658  Acourtia microcephala Steve Boyd, Valentin Arvizu 2004-6-8 11474 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
  UCD128460  Acourtia microcephala Steve Boyd; Valentin Arvizu 2004-6-8 11474 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
  RSA735240  Adenophyllum porophylloides Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah DeGroot, Valentin Arvizu, Tim Thibault 2004-5-14 11212 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
  UC1719663  Adenophyllum porophylloides Steve Boyd, Sula Vanderplank, Valentin Arvizu 2004-10-13 11604 San Bernardino Mojave Desert; East Mojave Desert region; Ivanpah Valley, upper bajada at northeastern base of the Ivanpah Mountains, south of Interstate 15. Comment
  CAS-BOT-BC140023  Adenostoma fasciculatum Steve Boyd; Lisa Rojas 2004-5-26 11372 San Diego Peninsular Ranges; Cuyamaca-Laguna Mountains region: In-Ko-Pah Mountains, western flank of Thing Valley, northeast of transit station Posta, Cleveland National Forest along forest service road 1463 Comment
  SD152763  Adenostoma fasciculatum Steve Boyd, Timothy Cass 1992-4-29 7106 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western flank of Cold Spring Canyon, along the Clark Trail, the junction with the Cold Spring Trail to the crest of the ridge dividing Cold Sprin and San Mateo Canyons. 487 Comment
  UCR151357  Adenostoma fasciculatum Steve Boyd, Lisa Rojas 2004-5-26 11372 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
  UCR71152  Adiantum jordanii Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4369 Los Angeles Channel Islands, San Clemente Island: E side of the island, near Malo Point, third canyon south of Bryce Canyon 427 Comment
  RSA552786  Agoseris grandiflora Steve Boyd, Timothy S. Ross, Kendall McCulloh 1993-3-12 6729 San Diego Santa Ana Mountains, San Mateo Canyon Wilderness Area. Devil Cyn from large waterfall area, downstream to the confluence with 'Miller Creek'. 549 Comment
  UCR39591  Agoseris heterophylla Steve Boyd 1983-8-10 s.n. San Bernardino San Bernardino Mtns., Near Onyx Summit at Cienaga Seca, west of Hwy 38 2457 Comment
  UCR120617  Agoseris retrorsa Steve Boyd, K. A. Boyd, C. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2274 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  OBI37533  Agrostis pallens Steve Boyd 1985-7-30 1083 San Diego Upper Cottonwood Cyn, 3.6 mi (by road) NW of jctn of Tenaja Trl and De Luz Rd Comment
  RSA725352  Agrostis variabilis Steve Boyd, Carol Boyd 2007-9-12 11752 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
  UC1928415  Allionia incarnata Steve Boyd 2007-11-1 11819 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
  RSA771871  Allium campanulatum Steve Boyd, Anna Kostikova, Glenn Litsios, Sarah Burgy 2010-6-22 12299 San Bernardino Cushenbury Summit, slope just east of Hwy 18 at Pacific Crest Trail crossing 2104 Comment
  UCR218051  Allium campanulatum Steve Boyd, Anna Kostikova, Glenn Litsios, Sarah Burgy 2010-6-22 12299 San Bernardino San Bernardino Mountains, Cushenbury Summit, slope just east of Hwy 18 at Pacific Crest Trail crossing 2104 Comment
  HSC66148  Allium falcifolium D. Boyd, M. Eichelberger, Tim Messick, T. Ranker 1980-5-3 49 Trinity Philpot Creek Campground. 808 Comment
  UCR200797  Allium fimbriatum var. fimbriatum Steve Boyd, Valentin Arvizu 2008-5-1 11904 Kern Southern Sierra Nevada Range, Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley 1463 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
  HSC85668  Allium haematochiton Steve Boyd 1986-3-9 1378 Riverside Temescal Canyon: Alberhill Mtn., S slope of mtn., just E of claymine area 459 Comment
  RSA395911  Allium haematochiton Steve Boyd 1986-4-22 1769 Riverside Temescal Canyon: Terrace escarpment E side of Indian Wash, S of I-15. Comment
  RSA574728  Allium haematochiton Steve Boyd 1981-4-6 s.n. Riverside Gavilan Hills region, Estelle Mountain, near summit. 823 Comment
  UCR108205  Allium haematochiton Steve Boyd, Valerie Soza 1998-4-28 10154 Los Angeles Liebre Mtns., Plum Canyon SW of Cruzan Mesa along Arline Road, c. 2 mi west of the junction w/ Sierra Hwy in Mint Canyon, top of ridge on the south side of the canyon. 634 Comment
  UCR49270  Allium haematochiton Steve Boyd 1986-4-22 1769 Riverside Peninsular Range, Temescal Canyon, E side of Indian Wash, south of I-15 Comment
  CAS-BOT-BC132014  Allium munzii Steve Boyd 1986-4-22 1778 Riverside Gavilan Hills: E edge of plateau remnant of ridge E of Estelle Mt., S of Dawson Canyon 670 Comment
  RSA348951  Allium munzii Steve Boyd 1986-4-10 1640 Riverside Gavilan Hills; Temescal Canyon: DePalma Rd., 0.1 miles E of the Indian Truck Trail exit of I-15. 366 Comment
  RSA543582  Allium munzii Steve Boyd 1991-5-7 6164 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 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
  UCR15905  Allium parishii Steve Boyd 1978-4-22 780422- 07 Riverside Sonoran (Colorado) Desert, 5 mi north of the S entrance of Joshua Tree National Monument, near Pinto Basin Road Comment
  RSA495439  Allium peninsulare Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2966 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  RSA543160  Allium peninsulare Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6090 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain 3 miles N Highway 79, 1 mile W of Highway 371, N of Aguanga. 600 Comment
  UCR49258  Allium praecox Steve Boyd 1986-4-2 1625 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  SBBG96638  Allium praecox S. Boyd with T. Ross, P. Fritsch 1990-4-6 4176 Los Angeles 0.2 mi S of US Navy site called Jack 152 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
  RSA526139  Allophyllum glutinosum Steve Boyd, T. S. Ross 1990-5-11 4652 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
  RSA543894  Allophyllum glutinosum Steve Boyd 1991-5-20 6275 Riverside Santa Ana Mountains, NW of Lake Elsinore. Lower Rice Cyn, just inside Cleveland Nat. For. boundary. 573 Comment
  RSA727845  Allophyllum violaceum Steve Boyd, Naomi Fraga 2004-4-27 11025 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
  RSA701798  Alnus rhombifolia Steve Boyd, Heidi Bigelow 2004-4-5 10784 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
  SD217239  Alnus rhombifolia Steve Boyd, Tim Ross and Orlando Mistretta 1992-2-2 6653 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest; lower half of Tenaja Canyon, especially about Fishermans Camp. 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
  SD153014  Aloe chabaudii Steve Boyd, T. Ross 1992-5-20 7470 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, western edge of wilderness in Lucas Canyon, about old mining habitations in side canyon, upstream Ao mile from Lucas Canyon Trail crossing. 390 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
  UCR77568  Amaranthus albus Steve Boyd 1991-9-8 6436 Riverside Peninsular Range, Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371 600 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
  RSA500109  Amaranthus retroflexus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3662 B Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  RSA562754  Amaranthus retroflexus Steve Boyd, Timothy S. Ross 1992-5-19 7430 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of the wilderness along Lucas Canyon Trail in Aliso Canyon. 335 Comment
  SD220021  Amaryllis belladonna Steve Boyd, Valentin Arvizu and Rick Riefner 2006-9-21 11700 Los Angeles Verdugo Mountains region; 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
  SFV22093  Amaryllis belladonna S. T. Boyd, V. Arvizu, R. E. Riefner 2006-9-21 11700 Los Angeles Verdugo Mountains Side drainage of La Tuna Creek just west of La Tuna Canyon Road offramp from 210 Freeway, on north side of highway. 427 Comment
  UCR224009  Amaryllis belladonna Steve Boyd, Valentin Arvizu, Rick Riefner 2006-9-21 11700 Los Angeles Transverse Ranges; Verdugo Mountains region, 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
  UCR77760  Ambrosia acanthicarpa Steve Boyd 1991-9-8 6427 Riverside Peninsular Range, Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371 600 Comment
  RSA457783  Ambrosia dumosa Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2205 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  UCR147730  Ambrosia dumosa Steve Boyd, Tammy Morgan 2004-3-30 10710 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
  UCR52229  Ambrosia dumosa Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2205 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  UCR60795  Ambrosia dumosa Steve Boyd, O. Mistretta 1986-3-13 1420 Riverside Sonoran (Colorado) Desert, Palen Mtns: NE of Desert Center, junction of Parker Dam Road and 'Palen Road' (road going through pass between Palen and Granite Ranges) 244 Comment
  RSA559339  Amorpha californica Steve Boyd, T. S. Ross 1992-5-15 7403 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
  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
  RSA575847  Amorpha fruticosa 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
  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
  RSA0089624  Amsinckia intermedia Steve Boyd 1992-4-15 6867 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  UCR200784  Amsinckia intermedia Steve Boyd, Valentin Arvizu 2008-5-1 11970 Kern Southern Sierra Nevada Range, Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley 1463 Comment
  UCR22049  Amsinckia menziesii Steve Boyd 1980-4-27 140 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  RSA599275  Amsinckia menziesii var. intermedia Steve Boyd, Lauren Raz 1997-3-31 9411 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
  RSA526536  Amsinckia spectabilis Steve Boyd, L. Arnseth, Timothy S. Ross 1990-4-7 4274 Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. 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
  RSA527792  Amsinckia spectabilis Steve Boyd, L. Arnseth, Timothy S. Ross 1990-4-8 4356 Los Angeles San Clemente Island: E side of island, Bryce Cyn near Malo Point. Comment
  RSA522265  Amsinckia tessellata Steve Boyd, D. E. Bramlet, H. Spillman 1989-4-30 3512 Riverside Gavilan Hills, Harford Springs County Park on the N edge of the Gavilan Plateau, E of Gavilan Creek 610 Comment
  RSA562064  Amsinckia tessellata Steve Boyd, Carol Boyd, Kyle Boyd 1992-4-19 6919 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
  RSA701325  Amsinckia tessellata Steve Boyd, Tammy Morgan 2004-3-30 10744 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
  UCR89392  Amsinckia tessellata Steve Boyd, T. S. Ross, W. Appleby 1993-3-19 7849 San Bernardino Eastern Mojave Desert, north base of the Old Woman Mtns, south of Essex; Honeymoon Wash along Willow Springs Rd., 0.5 mi west of Sunflower Springs road ('Cross-fire Camp') 1000 Comment
  RSA0091268  Amsinckia tessellata var. tessellata Steve Boyd, A. C. Sanders, R. T. Hawke, Shaun Hawke, Susan Hobbs, Paul Hobbs 1997-4-20 9567 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
  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
  RSA571539  Amsinckia tessellata var. tessellata Steve Boyd, Darin Banks, Orlando Mistretta 1994-4-29 8304 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
  RSA598943  Amsinckia tessellata var. tessellata Steve Boyd, Timothy S. Ross 1997-3-21 9192 Los Angeles Liebre Mountains, Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  RSA701936  Anagallis arvensis Steve Boyd, Valentin Arvizu 2004-6-8 11457 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
  CAS-BOT-BC272872  Ancistrocarphus filagineus Steve Boyd 1986-4-2 1588 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park 640 Comment
  RSA387340  Ancistrocarphus filagineus Steve Boyd 1986-4-22 1772 Riverside Temescal Canyon: Terrace escarpment E side of Indian Wash, S of I-15. Comment
  RSA387342  Ancistrocarphus filagineus Steve Boyd 1986-5-1 1791 Riverside Perris-Aguanga Basin region SW Perris Basin, Hill west of Skunk Hollow. Comment
  RSA543603  Ancistrocarphus filagineus Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6135 Riverside Santa Ana Mountains, S side of Elsinore Peak. 1037 Comment
  RSA515210  Anisocoma acaulis Steve Boyd 1986-3-30 1502 Los Angeles Mojave Desert: Highway 18, 0.5 miles east of junction with Hwy 138, NE of Pinyon Hills. Comment
  RSA593819  Anisocoma acaulis Steve Boyd 1996-4-25 8718 Los Angeles Liebre Mountains, southwestern flank of Liebre Mountain, along Forest Service Road 7N22 ca 1.1 mile E of jtn with 7N23. 1220 Comment
  UC1719664  Anisocoma acaulis Steve Boyd, Naomi Fraga 2004-4-27 10918 San Diego Peninsular Ranges; Anza Bench region; Warner Springs area, flats east of gliderport, near the Pacific Crest Trail, south of Highway 79. Comment
  UCR51854  Antennaria rosea Steve Boyd, C. Boyd 1987-7-3 2082 Inyo Sierra Nevada Mtns., NW of Bishop in Granite Park area of upper Pine Creek Drainage 3506 Comment
  RSA593407  Anthemis cotula Steve Boyd, Orlando Mistretta 1996-5-23 8814 Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to powerplant, just north of upper end of Castaic Lake. 470 Comment
  RSA479901  Anthriscus caucalis Steve Boyd, Thomas Elias 1987-4-14 2046 Los Angeles San Gabriel Mountains, Rincon - Red Box Road, S of Rincon Forest Station, N. of Glendora. Comment
  UCR77709  Anthriscus caucalis Steve Boyd 1991-5-10 6214 Riverside Santa Ana Mtns, Base of range just north of mouth of Hagador Canyon, bottom Skyline Drive 459 Comment
  RSA543936  Anthriscus caucalis Steve Boyd 1991-5-10 6214 Riverside Santa Ana Mountains, base of range, just N of mouth of Hagador Cyn at bottom of Skyline Drive. 427 Comment
  RSA560397  Antirrhinum coulterianum Steve D. Boyd, Tim S. Ross 1992-4-29 7148 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
  RSA701731  Antirrhinum coulterianum Steve D. Boyd, LeRoy Gross 2004-5-4 11074 San Diego Hills north of Warner Springs, north Indian Flats Campground of Cleveland National Forest along Road 9S05. 899 Comment
  UCR148233  Antirrhinum coulterianum Steve Boyd, LeRoy Gross 2004-5-4 11074 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
  UCR59528  Antirrhinum coulterianum Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3595 Riverside Butterfield Valley, Vail Lake area, Kolb Creek drainage, N extension of Woodchuck Road, north of Hwy 79 489 Comment
  RSA727307  Antirrhinum kelloggii Steve D. Boyd, Tammy Morgan 2004-5-11 11207 Ventura Topa Topa Mountains, east of Sespe Canyon near upper end of Tar Creek Road (and trail). 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
  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
  UCR91648  Antirrhinum nuttallianum subsp. nuttallianum Steve Boyd 1995-4-24 8488 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
  SBBG120034  Antirrhinum nuttallianum subsp. subsessile S. Boyd, L. Gross, B. O'Brien, C. Hamilton 2001-4-9 10361 Unknown Valle Las Palmas region, Cerro Bola, gently sloping terraces at northeastern base of the mtn, along main access rd to mtn 526 Comment
  SBBG96755  Aphanisma blitoides S. Boyd with T. Ross, L. Arnseth 1990-4-7 4283 Los Angeles lower half of China Cyn Comment
  HSC85461  Apiastrum angustifolium Steve Boyd 1986-4-2 1585 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  UCD127230  Apium graveolens Steve Boyd; Tim Ross, Laurel Arnseth 1989-6-4 3651 D Riverside Vail Lake area, Temecula Creek, southeast of lake, just north of Hwy 79. 487 Comment
  RSA335037  Apium graveolens Steve Boyd 1985-7-23 1011 Riverside De Luz Rd., 7 mi. west of Rancho California. 366 Comment
  RSA335038  Apium graveolens Steve Boyd 1985-7-23 1011 Riverside De Luz Rd., 7 mi. west of Rancho California. 366 Comment
  RSA395891  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
  RSA0125830  Arabis glabra Steve Boyd, Heidi Bigelow 2004-4-5 10809 San Diego Pine Hills area, between Magee Flat and Deadman Flat along Eagle Peak Rd. Comment
  UCR120625  Arabis glabra Steve Boyd, K. A. Boyd, C. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2290 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 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
  RSA681991  Arabis puberula Steve Boyd, Carol Boyd 2003-5-3 10508 Tulare Chimney Peak Recreation Area, summit of northern Bear Mountain (Bear Peak). 2509 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
  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
  UCR200694  Arctostaphylos Steve Boyd, Naomi Fraga 2004-4-27 11007 San Diego Peninsular Ranges; Anza Bench region, Warner Springs area, rolling terrain near the Pacific Crest Trail, south of Hwy 79 and west of the Warner Springs Resort 898 Comment
  HSC87153  Arctostaphylos glandulosa Steve Boyd, T. S. Elias 1987-4-14 2043 Los Angeles San Gabriel Mtns., Rincon- Red Box Rd., S of Rincon Forest Station, N of Glendora 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
  SD152871  Arctostaphylos glandulosa subsp. glandulosa Steve Boyd, Tim Ross and Kendall McCulloh 1993-3-12 6728 San Diego Santa Ana Mountains, Devil Canyon from large waterfall area, downstream to the confluence with Miller Creek. 550 Comment
  RSA596849  Arctostaphylos glauca Steve Boyd, T. S. Ross, Lauren Raz, Dylan Hannon 1997-2-11 9128 Los Angeles Liebre Mountains region, along Old Ridge Route north of Templin Highway and northwest of the confluence of Castaic Creek and Fish Creek, ca 1000 ft southeast of transit station Hiway''. 950 Comment
  RSA735802  Arctostaphylos glauca Steve Boyd 2007-2-17 11714 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
  UC1861763  Arctostaphylos glauca Steve Boyd, Valerie Soza 2004-6-22 11554 Riverside Peninsular Ranges; San Jacinto Mountains region: Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along forest service road 5N13 near 5N06. 1463 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
  UCR160060  Arctostaphylos pringlei subsp. drupacea Steve Boyd, Valerie Soza 2004-6-22 11552 Riverside Peninsular Ranges; San Jacinto Mountains region, Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along Forest Service Road 5N13 near 5N06 1463 Comment
  UCR148216  Arenaria douglasii Steve Boyd, Leroy Gross 2004-5-4 11068 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
  UCR48523  Arenaria douglasii Steve Boyd 1986-4-20 1724 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau. 640 Comment
  RSA600066  Arenaria macradenia var. arcuifolia Steve Boyd, Lauren Raz 1997-5-20 9821 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. 1676 Comment
  SD230200  Arenaria macradenia var. arcuifolia Steve Boyd, Timothy S. Ross, Laura Moore, Valerie Soza 1997-7-8 10011 Los Angeles Liebre Mountains Redion: Western summit of Liebre Mountain, a distinctive, rounded knoll south of head of Cold Canyon. Two plants around granit boulder coutcorp just to south of campsite under gigantic Quercus chrysolepis know as Quercus Rex 1707 Comment
  UCR99479  Arenaria pusilla Steve Boyd, Lauren Raz 1997-3-14 9168 Los Angeles Liebre Mtns., Lower N flank of Bald Mtn, along Pacific Crest Trail on top of ridgeline east of Horse Camp Canyon 1451 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
  CAS-BOT-BC137643  Aristida adscensionis Steve Boyd 2007-11-1 11814 San Bernardino Mojave Desert. East Mojave Desert Region. Orange Blossom wash area 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
  RSA516905  Aristida adscensionis Steve Boyd, Orlando Mistretta 1986-3-13 1431 San Diego De Luz Canyon: Along De Luz-Murrieta Road and De Luz Creek. 150 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
  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
  RSA571512  Aristida purpurea var. longiseta Steve Boyd, Timothy S. Ross 1994-3-29 8245 -B San Diego Southwestern Cuyamaca Mountains, Cleveland National Forest, southwestern slope of Poser Mountain at northern edge of Viejas Valley, near junction of Old Viejas Grade and Conejos Valley Road. 866 Comment
  RSA500144  Aristida purpurea var. purpurea Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3652 Riverside Vail Lake area, W base of hills between Temecula and Wilson Creeks. 488 Comment
  UCR200693  Aristida purpurea var. purpurea Steve Boyd, Naomi Fraga 2004-4-27 10905 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
  RSA298138  Arnica cernua D. Boyd, M. Eichelberger, T. Messick, T. Ranker 1980-5-24 82 Del Norte [no further location information] 637 Comment
  RSA776748  Artemisia bigelovii Steve Boyd, Sula Vanderplank, Valentin Arvizu 2004-10-13 11582 San Bernardino [SE] end of the Mescal Mtns, south of Clark Mountain and Interstate 15, [SE] of Mountain Pass 1600 Comment
  CAS-BOT-BC90158  Artemisia californica Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-8 4420 Los Angeles San Clemente Island. E side of island, Bryce Cyn near Malo Point Comment
  CAS-BOT-BC90159  Artemisia californica Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-7 4198 Los Angeles San Clemente Island. Upper reaches of China Cyn, S end of island, W side Comment
  CAS-BOT-BC90189  Artemisia californica Steve Boyd 1985-12-24 1194 Riverside Gavilan Hills, Harford Springs County Park Comment
  RSA561506  Artemisia californica Steve Boyd, Timothy S. Ross, David E. Bramlet 1992-9-9 7668 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
  SBBG96838  Artemisia californica S. Boyd with T. Ross, L. Arnseth 1990-4-7 4189 Los Angeles upper reaches of China Cyn Comment
  SBBG97011  Artemisia californica S. Boyd with T. Ross, L. Arnseth 1990-4-8 4420 Los Angeles Brice Cyn near Malo Pt Comment
  SD152959  Artemisia californica Steve Boyd, Tim Ross and Dave Bramlet 1992-9-9 7668 Riverside Southern Santa Ana Mountains; upper San Mateo Canyon, from the junction of Tenaja Road and Los Alamos Road at the cdonfluence of Los Alamos Creek. 395 Comment
  UCR200317  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
  RSA520550  Artemisia douglasiana Steve Boyd, David E. Bramlet 1988-10-8 2883 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  RSA594935  Artemisia douglasiana Steve Boyd, Lauren Raz 1996-10-8 9000 Los Angeles Liebre Mountains region, Bouquet Canyon ca. 1.7 miles south of junction with Forest Service Road 6N08. 561 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
  SBBG105095  Artemisia dracunculus S. Boyd with T. Ross, T. Columbus 1993-10-23 8193 Riverside upper Morrell Cyn along Morgan Trail (Rd 5W02) 877 Comment
  UCD129231  Artemisia dracunculus Steve Boyd; Tim Ross, Laurel Arnseth 1989-6-11 3708 Riverside Vail Lake area, Wilson Creek at east end of lake. Comment
  UC1584083  Artemisia nova Steve Boyd 1990-10-4 5246 San Bernardino upper part Carruther's Cyn (on slopes and ridgetops); eastern Mojave Desert, New York Mountains 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
  UCR198361  Asclepias californica Steve Boyd, Valentin Arvizu 2008-5-1 11942 Kern Southern Sierra Nevada Range, Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley 1463 Comment
  RSA515191  Asclepias californica Steve Boyd, D. E. Bramlet 1986-6-9 1862 Tulare Southern Sierra Nevada Mountains: Chimney Creek Canyon, side canyon south Peak 7155 south of Chimney Creek Meadow. Comment
  RSA595946  Asclepias fascicularis Steve Boyd, Mark Elvin, Victoria Jotikasthira 1996-6-25 8879 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
  CDA23135  Asparagus asparagoides Steve Boyd, R. E. Riefner Jr. 2007-1-16 11707 San Diego Coastal Plains and Basins; South Coastal Plain region; Solana Beach, southern shore of San Elijo Lagoon between Highway 5 and Pacific Coast Highway. Comment
  UC1929594  Asparagus asparagoides Steve Boyd, Rick Riefner 2007-1-16 11707 San Diego Coastal Plains & Basins; South Coastal Plain region; Solana Beach, southern shore of San Elijo Lagoon between Highway 5 and Pacific Coast Highway. Comment
  UCR200312  Asparagus asparagoides Steve Boyd, R. E. Riefner Jr. 2007-1-16 11707 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
  UCR77565  Aspidotis californica Steve Boyd, T. S. Ross, O. Mistretta 1992-2-2 6637 Riverside Santa Ana Mtns, Cleveland National Forest. Upper San Mateo Canyon between the confluence of Tenaja Canyon and Los Alamos Canyon 427 Comment
  RSA0011747  Asplenium vespertinum Steve Boyd, Walter Wisura, R. M. Beauchamp, F. Spraul 1986-12-9 1963 San Diego Otay Mountain- Cedar Canyon Area. 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
  RSA335185  Astragalus bicristatus Steve Boyd, Karlin Marsh 1985-6-11 1139 San Bernardino Bear Valley area, North shore of Baker Lake, about 1 mile east of the Stanfield Cut-off. Comment
  RSA593454  Astragalus douglasii var. douglasii Steve Boyd 1996-4-24 8641 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
  UC1608238  Astragalus gambelianus Steve Boyd 1992-4-14 6817 Riverside western edge of Oak Flats area along Bluewater Tr. from Verdugo Tr. s to crest of ridge w side Bluewater Cyn (San Mateo Cyn Wilderness Area, Santa Ana Mtns); Santa Ana Mtns, San Mateo Cyn Wilderness Area 731 Comment
  UCR79220  Astragalus gambelianus Steve Boyd 1992-4-21 6965 San Diego Peninsular Range; Santa Ana Mtns., southern end of mtns, San Mateo Canyon Wilderness Area, S flanks of Miller Mtn. 854 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
  SD217295  Astragalus pomonensis Steve Boyd, Tim Ross, Laurel Arnseth and Jaine Bonilla 1990-4-3 4071 Riverside Vail Lake area, upper benches and adjacent slopes of the east flank of Big Oak Mountain, njust south of the east summit. 609 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
  RSA599268  Astragalus trichopodus var. phoxus Steve Boyd, Lauren Raz 1997-3-31 9442 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
  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
  RSA524478  Athysanus pusillus Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4041 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA552696  Athysanus pusillus Steve Boyd 1992-2-26 6704 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  RSA598861  Athysanus pusillus Steve Boyd, Timothy S. Ross 1997-3-21 9237 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. 1195 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
  RSA735223  Atrichoseris platyphylla Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11245 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
  RSA735794  Atriplex Steve Boyd, Rick Riefner 2007-1-16 11706 San Diego Solana Beach, southern shore of San Elijo Lagoon between Highway 5 and Pacific Coast Highway. 0 Comment
  RSA57457  Atriplex argentea Steve Boyd 1985-8-7 1117 Riverside Santa Rosa Plateau Region, NW base of Redonda Mesa on Tenaja Road, 0.8 mile east of jct with 8S01 and 8S02. Comment
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Feb 26 2013
  UCR93047  Atriplex argentea Steve Boyd 1985-8-7 1117 Riverside Santa Rosa Plateau, Murrieta area, Clinton Keith Rd. near (just east of) Bear Creek golf course Comment
  SEINET3930042  Atriplex argentea var. mohavensis Steve Boyd 1985-8-7 1117 Riverside Murrieta area, Clinton Kieth Rd., just east of the Bear Creek development golfcourse.; 0 Comment
  RSA543198  Atriplex canescens Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6098 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain 3 miles N Highway 79, 1 mile W of Highway 371, N of Aguanga. 600 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
  RSA731221  Atriplex hymenelytra Steve Boyd, LeRoy Gross 2008-4-11 11862 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
  SEINET4135130  Atriplex hymenelytra Steve Boyd, Tim Ross; Walter Appleby 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 southeast of Highway 178.; 0 600 Comment
  RSA544298  Atriplex rosea Steve Boyd 1991-7-13 6411 San Diego De Luz Canyon: Along De Luz-Murrieta Road and De Luz Creek. 150 Comment
  SEINET4136263  Atriplex semibaccata Steve Boyd, L. Raz 1996-10-8 9021 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, ca. 0.9 miles east of junction with Bouquet Canyon Road.; 0 524 Comment
  HSC80295  Atriplex serenana Steve Boyd 1985-8-7 1115 Riverside Murrieta area, Clinton Kieth Rd., just E of the Bear Creek development golf course. Comment
  UCR22166  Atriplex serenana Steve Boyd 1980-10-13 364 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau Comment
  RSA594304  Atriplex serenana var. serenana Steve Boyd, Lauren Raz 1996-10-14 9036 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
  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
  UCR92218  Avena fatua Steve Boyd, D. L. Banks 1995-4-6 8472 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 W, at the N base of Eagle Crag. 945 Comment
  RSA552715  Avena fatua Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-26 6684 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon 305 Comment
  SEINET10514118  Avena sativa Steve Boyd, Timothy S. Ross 1989-5-10 Boyd 3590 San Bernardino City of Ontario, E. side of Milliken Ave, just N of entrance to County landfill. Abandoned vineyard invaded by weedy natives and exotics. Comment
  RSA735788  Baccharis pilularis Steve Boyd 2007-2-17 11717 San Luis Obispo Los Padres National Forest along Pozo Road about 2 miles east of Pozo Summit, in Marian Creek drainage. 671 Comment
  UCR200321  Baccharis pilularis Steve Boyd 2007-2-17 11717 San Luis Obispo Coast Ranges, La Panza Range, Los Padres National Forest along Pozo Road c. 2 mi east of Pozo Summit, in Mariana Creek drainage 671 Comment
  SD152956  Baccharis salicifolia Steve Boyd, Tim Ross and Orlando Mistretta 1992-2-26 6686 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; San Mateo Canyon from Fisherman;s Camp downstream to confluence with Bluewater Canyon. 305 Comment
  UCR21852  Baccharis salicifolia 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
  UCR95464  Balsamorhiza deltoidea Steve Boyd, O. Mistretta, J. Dolan 1996-4-18 8590 Los Angeles San Gabriel Mtns., Liebre Mtns, NW base of range at the extreme SE end of Peace Valley along Angeles National Forest Road 8N01, 6.7 road mi. from jct w/8N05, & c. 1 rd mi. from West Branch California Aquaduct 1098 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
  SD152906  Barbarea orthoceras Steve Boyd, Orlando Mistretta 1992-4-23 7059 Riverside So. Santa Ana Mtns, San Mateo Canyon Wilderness Area. Along San Mateo Creek from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. Surrounding slopes burned in 1989 fire. Local in moist sand along stream. 244 Comment
  RSA516869  Bebbia juncea Steve Boyd, Thomas S. Elias, B. Roy, S. Meury, S. Zona 1986-3-5 1342 Riverside Mecca Hills: Box Canyon, along Hwy 195 Comment
  RSA725388  Bebbia juncea Steve Boyd 2007-11-1 11816 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
  CAS-BOT-BC75737  Berberis nevinii Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 3997 Riverside Vail Lake area, lower slopes of Agua Tibia mountain, along Highway 79, east of USFW Dripping Springs Guard Station. 609 Comment
  CAS-BOT-BC75738  Berberis nevinii Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-3 4074 Riverside Vail Lake area, upper benches and adjacent slopes of the east flank of 'Big' Oak Mountain, just south of the east summit 701 Comment
  UCR59772  Berberis nevinii Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 3001 Riverside Vail Lake Area, Temecula Creek Cyn below Vail Lake dam 457 Comment
  UCR60867  Berberis nevinii Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3224 Riverside Peninsular Range, Vail Lake area, sandstone ridge between Kolb Creek and Temecula Creek, forming peninsula at SW end of Lake. Comment
  HSC80236  Beta vulgaris Steve Boyd 1985-8-7 1119 Riverside Murrieta area, Clinton Kieth Rd., just E of the Bear Creek development golf course. Comment
  SD122922  Beta vulgaris Steve Boyd 1985-8-7 1119 Riverside Murrieta area, Clinton Keith Rd., just east of the Bear Creek development golfcourse. Weedy, low gradient drainage. Locally common along graded roadside. Comment
  RSA525240  Bloomeria crocea Steve Boyd, Timothy S. Ross 1990-5-11 4617 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79 549 Comment
  CAS-BOT-BC478937  Bloomeria crocea var. crocea Steve Boyd 1986-4-22 1762 Riverside Temescal Canyon, terrace escarpment W side of Indian Wash, S of I-15 Comment
  UCR22156  Bloomeria crocea var. crocea Steve Boyd 1980-5-13 267 Riverside Gavilan Hills, Harford Springs County Park, at NW corner of the Gavilan Plateau 640 Comment
  RSA0125909  Boechera Steve Boyd, Lauren Raz 1997-5-1 9647 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
  RSA0128771  Boechera californica Steve Boyd, Valentin Arvizu 2008-5-1 11935 Kern Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley 1372 Comment
  RSA735248  Boechera californica Steve Boyd, Lisa Rojas 2004-5-26 11345 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
  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
  GH378853  Boechera repanda S. D. Boyd & T. S. Ross 1993-6-27 7376 Unknown San Gabriel Mtns: upper San Antonio Canyon; NE end of Manker Flat, 1600 m WSW of Mt. Baldy Notch; Telegraph Peak 7.5' USGS quad, T2N R7W, SW/4 SW/4 sect 9; 1950 Comment
  RSA608163  Boerhavia coulteri Steve Boyd, Valerie Soza, Tasha La Doux 1997-10-13 10051 A Riverside Sonoran (Colorado) Desert Chuckwalla Mtns, NW base of the range, south of Eagle Mine Rd exit on Hwy I-10. 426 Comment
  HSC101611  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 40 915 Comment
  UCR124230  Boerhavia erecta var. intermedia Steve Boyd 1990-10-3 5177 San Bernardino Eastern Mojave Desert, Providence Mtns. Road over Foshay Pass, E side of range, 5.7 mi. east of Essex Rd Comment
  RSA608164  Boerhavia triquetra Steve Boyd, Valerie Soza, Tasha La Doux 1997-10-13 10051 B Riverside Sonoran (Colorado) Desert Chuckwalla Mtns, NW base of the range, south of Eagle Mine Rd exit on Hwy I-10. 426 Comment
  HSC101599  Boerhavia triquetra var. intermedia Steve Boyd 2007-11-1 11809 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
  UCR124232  Boerhavia wrightii Steve Boyd 1990-10-4 5178 San Bernardino Eastern Mojave Desert, Paiute Valley. Goffs Rd. 2 miles west of junction with Hwy 95 Comment
  RSA334665  Bothriochloa barbinodis Steve Boyd 1985-7-30 1051 San Diego Lower Cottonwood Canyon, near its confluence with De Luz Creek. Comment
  RSA457760  Bouteloua aristidoides Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2125 Riverside N. end Palen Mountains, 2 miles west of Palen Pass. 300 Comment
  UCR151216  Bouteloua aristidoides Steve Boyd, Et al. 2004-10-13 11609 San Bernardino Eastern Mojave Desert, Ivanpah Valley: upper bajada at NE base of the Ivanpah Mtns, south of Interstate 15 Comment
  UCR60926  Bouteloua aristidoides Steve Boyd, Orlando Mistretta 1986-3-13 1421 Riverside Sonoran (Colorado) Desert, Palen Mtns: NE of Desert Center, junction of Parker Dam Road and 'Palen Road' (road going through pass between Palen and Granite Ranges) 366 Comment
  UC1584092  Bouteloua aristidoides var. aristidoides Steve Boyd 1990-10-3 5145 San Bernardino se base of mts w Kelbaker Rd.; Granite Mts. Comment
  UC1584097  Bouteloua aristidoides var. aristidoides Steve Boyd 1990-10-3 5162 San Bernardino road over Foshay Pass 11.2 mi e Kelbaker Rd (w side of range); Providence Mtns., Eastern Mojave Desert Comment
  UC1928621  Bouteloua barbata Steve Boyd 2007-10-29 11786 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
  SEINET10519891  Bouteloua barbata Steve Boyd 1990-10-3 Boyd 5161 San Bernardino Providence Mtns., Eastern Mojave Desert, Road over Forshay Pass, W side of range, 11.2 mi E of Kelbaker Rd Rocky, andesitic? slopes w/Larrea, Ferocactus, yucca schidigera, Opuntia acanthocarpa, Bouteloua barbatus. Comment
  UCR70314  Bouteloua eriopoda Steve Boyd 1990-10-4 5267 San Bernardino Mojave Desert, Round Valley, south of Pinto Mt. along Cedar Canyon Rd. 4.7 mi. east of junction with Black Canyon Road 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
  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
  UCR49219  Bowlesia incana Steve Boyd 1986-4-2 1597 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA527650  Bowlesia incana Steve Boyd, Tim Ross, L. Arnseth 1990-4-8 4371 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  RSA527735  Bowlesia incana Steve Boyd, Tim Ross, L. Arnseth 1990-4-8 4302 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  SFV22101  Boykinia rotundifolia S. T. Boyd, V. Arvizu, R. E. Riefner 2006-9-21 11694 Los Angeles Verdugo Mountains 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. 460 Comment
  UCR79237  Brassica rapa subsp. sylvestris Steve Boyd, Orlando Mistretta 1992-4-23 7062 Riverside Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area, along San Mateo Creek from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon 305 Comment
  RSA619921  Brickellia oblongifolia var. linifolia Steve Boyd, Valerie Soza, Kazuyuki Kashiwase 1998-7-1 10246 San Bernardino San Bernardino Mountains: North base of Blackhawk Mountain, southwest of Round Mountain, just west of mouth of Grapevine Canyon. 1402 Comment
  RSA735568  Brickellia oblongifolia var. linifolia Steve Boyd, Tammy Morgan 2004-6-1 11454 San Bernardino Clark Mountains, western flank of the range in large canyon south of Pachalka Spring. 1433 Comment
  CHSC108908  Brodiaea santarosae Steve Boyd; Michael Wall 2006-7-7 11669 San Diego Peninsular Ranges; Santa Ana Mountains region: Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. 'Miller Creek', a major drainage on south flank of Miller Mountain, upstream from Forest Service Road 8S02, occasional in stream channel. Comment
  RSA771884  Brodiaea santarosae Steve Boyd 2010-5-28 12282 Riverside Elsinore Peak, southeast of peak, north of trail along old Main Divide Road east of road up to communications towers 1012 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
  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
  RSA593429  Bromus arenarius Steve Boyd, Mark Elvin, Victoria Jotikasthira 1996-6-25 8894 Los Angeles Liebre Mountains, along summit of Sawmill Mountain, west of Sawmill Camp and just north of 7N23. 1610 Comment
  SD136967  Bromus arenarius Steve Boyd, Tim Ross et al. 1993-5-13 7367 Riverside Southen Santa Ana Mountains, San Mateo Canyon Wilderness Area. Los Alamos Canyon at mouth of Wildhorse Canyon. 410 Comment
  CAS-BOT-BC520381  Bromus berteroanus Steve Boyd; Gary Wallace 2011-4-14 12308 Los Angeles Transverse Ranges: Liebre / San Gabriel Mtns region. Acton Wash ca 3 km E of jct of Soledad Canyon Rd and Crown Valley Rd 829 Comment
  RSA776706  Bromus berteroanus Steve Boyd 2005-4-6 11631 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
  RSA559434  Bromus carinatus Steve Boyd 1992-4-15 6858 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  RSA562762  Bromus carinatus Steve Boyd, Timothy S. 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 (7S06) N into Aliso Canyon. Comment
  CAS-BOT-BC149277  Bromus carinatus var. 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 Cordillo (7S06) north into Aliso Canyon. 457 Comment
  RSA601329  Bromus carinatus var. carinatus Steve Boyd, Lauren Raz 1997-6-17 9953 Los Angeles Liebre Mountains region: Upper northeastern flank of Burnt Peak, head of Fish Canyon watershead along Forest Service Road 7N23A. 1646 Comment
  RSA495421  Bromus diandrus subsp. triangularis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-11 2891 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 390 Comment
  UC1861757  Bromus grandis Steve Boyd, Valerie Soza 2004-6-22 11539 Riverside Peninsular Ranges: San Jacinto Mountains region: Western flank of the range in Hall Cnayon, at the south end of Lake Fulmor, just north of Hwy 243 1645 Comment
  SBBG97027  Bromus hordeaceus S. Boyd with T. Ross, L. Arnseth 1990-4-8 4414 Los Angeles Bryce Cyn near Malo Pt Comment
  RSA500985  Bromus hordeaceus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3104 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
  RSA335151  Bromus marginatus Steve Boyd, Karlin G. Marsh 1985-6-11 1170 San Bernardino San Bernardino Mountains. Bear Valley area. North shore of Baker Lake, about 1 mile east of the Stanfield Cut-off. Comment
  RSA701767  Bromus rubens Steve Boyd, LeRoy Gross 2004-5-4 11101 San Diego Hills north of Warner Springs, north Indian Flats Campground of Cleveland National Forest along Road 9S05. 899 Comment
  RSA599842  Bromus sterilis Steve Boyd, Lauren Raz 1997-5-6 9759 Los Angeles Liebre Mountains region: Fish Canyon just upstream from the confluence with Castaic Creek. 500 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
  RSA561109  Bromus tectorum Steve Boyd, Timothy S. Ross, D. E. Bramlet 1993-5-12 7324 San Diego De Luz Canyon: Along De Luz-Murrieta Road and De Luz Creek. 150 Comment
  SEINET3923583  Bromus tectorum Steve Boyd, Lisa Rojas 2004-5-26 11388 San Diego Peninsular Ranges; Cuymaca-Laguna Mountains region: In-Ko-Pah Mountains, western flank of Thing Valley, northeast of transit station Posta, Cleveland National Forest along forest service road.; 0 1463 Comment
  CHSC109693  Bromus trinii Steve Boyd; Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10455 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
  SEINET3923876  Bromus trinii Steve Boyd 1998-4-1 10144 Kern Mojave DESERT: North flank of Castle Butte east of California City, and adjacent flats along extension of Proctor Blvd., about 2.7 miles east of junction with South College Blvd.; 0 700 Comment
  SBBG87715  Bursera microphylla S. Boyd 1986-2-15 1303 Unknown Torrentes Cyn, E slope of Sierra Juarez, ca. 1 mi S of Cantu Palms Comment
  RSA535079  Caesalpinia gilliesii Steve Boyd, T. S. Ross 1991-11-10 6629 Riverside Gavilan Hills, W of Perris along Santa Rosa Rd. near the base of range. Comment
  RSA561786  Calandrinia ciliata Steve Boyd 1992-4-14 6842 Riverside San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail 341 Comment
  RSA598870  Calandrinia ciliata Steve Boyd, Timothy S. Ross 1997-3-21 9247 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. 1195 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
  SEINET3884894  Calochortus amabilis D. Boyd, M. Eichelberger; T. Messick; T. Ranker 1980-4-19 22 Lake Coldsprings Campground, along access road to Indian Valley Dam.; 0 Comment
  UCR21917  Calochortus splendens Steve Boyd 1980-5-8 213 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 625 Comment
  UCR48348  Calochortus splendens Steve Boyd 1986-4-22 1761 Riverside Temescal Canyon, W side of Indian Wash, south of I-15 Comment
  CAS-BOT-BC483507  Calochortus splendens Steve Boyd 1986-4-22 1761 Riverside Terrace escarpment west side of Indian Wash, south of I-15, Temescal Canyon 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
  SD215332  Calochortus venustus Steve Boyd, Lauren Raz 1997-5-6 9711 Los Angeles Liebre Mountains Region: San Francisquito Canyon, west side of canyon at eastern end of Red Mountain ridge system, just north of confluence of Bee Canyonand 1.5 miles by road south of the Clearwater Canyon truck Trail 6N24. 609 Comment
  RSA502191  Calochortus weedii var. intermedius Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-6-11 3719 Riverside Vail Lake area, recently burned hills at W end of lake SW of dam. 488 Comment
  RSA561866  Calochortus weedii var. weedii Steve Boyd, Timothy S. 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 main trunk of San Mateo Creek. 405 Comment
  RSA0042240  Calyptridium monandrum Steve Boyd, Andrew C. Sanders, R. T. Hawke, Shaun Hawke, Susan Hobbs, Paul Hobbs 1997-4-20 9551 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. 1097 Comment
  OBI74761  Calystegia longipes Steve Boyd, Michael Denslow, Amber Maurice, Sarah Swartzentruber, and Aydee Virgen 2003-6-27 10528 Tulare Sierra Nevada: Southern Sierra Nevada region; Chimney Peak Recreation Area, Summit of northern high point on Bear Mtn (Bear Peak) 2508 Comment
  RSA600023  Calystegia longipes Steve Boyd, Lauren Raz 1997-5-29 9936 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 1098 Comment
  UCR21841  Calystegia macrostegia 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
  UCR21973  Calystegia macrostegia Steve Boyd 1980-5-5 199 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  UC1930186  Calystegia macrostegia subsp. intermedia Steve Boyd, Valentin Arvizu 2004-6-8 11482 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
  UCR200682  Calystegia macrostegia subsp. tenuifolia Steve Boyd, Heidi Bigelow 2004-4-5 10824 San Diego Peninsular Ranges/ Cuyamaca-Laguna Mtns region, Pine Hills area, between Magee Flat and Deadman Flat along Eagle Peak Road Comment
  RSA479527  Calystegia occidentalis subsp. fulcrata Steve Boyd, Laura Kopase 1987-6-8 2073 Los Angeles 5 miles WNW of Wrightwood in Cedar Canyon near jct. w/ Mescal Creek. 1524 Comment
  RSA670056  Camissonia R. S. Boyd 1979-4-29 s.n. San Bernardino Barstow Comment
  RSA496457  Camissonia bistorta Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3073 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
  RSA701451  Camissonia boothii Steve Boyd, Michael Denslow 2004-3-23 10599 San Bernardino Lavic Mountain, southern end of the Cady Mountains northwest of Ludlow (north of Interstate 40) along powerline/pipeline access road. Comment
  RSA702332  Camissonia brevipes Steve Boyd, Michael Denslow 2004-3-23 10619 San Bernardino Lavic Mountain, southern end of the Cady Mountains northwest of Ludlow (north of Interstate 40) along powerline/pipeline access road. 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
  UCR51963  Camissonia claviformis subsp. aurantiaca Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, et al. 1988-3-10 2115 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  RSA515178  Camissonia claviformis subsp. claviformis Steve Boyd 1986-3-31 1573 Los Angeles Mojave Desert: Highway 18 about 1 mile E of jct with Hwy 138, NE of Pinyon Hills. Comment
  UCR200804  Camissonia claviformis subsp. claviformis Steve Boyd, Valentin Arvizu 2008-5-1 11982 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
  RSA543580  Camissonia graciliflora Steve Boyd 1991-5-7 6162 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  RSA574744  Camissonia graciliflora Steve Boyd 1981-3-31 s.n. Riverside Gavilan Hills region, south end of Harford Springs County Park on the Gavilan Plateau, just north of Ida-Leona Road. 610 Comment
  RSA496463  Camissonia hirtella Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3079 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
  RSA525242  Camissonia hirtella Steve Boyd, T. S. Ross 1990-5-11 4619 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  RSA699262  Camissonia hirtella Steve Boyd, Heidi Bigelow 2004-4-5 10827 San Diego Pine Hills area, between Magee Flat and Deadman Flat along Eagle Peak Rd. Comment
  RSA561059  Camissonia ignota Steve Boyd, T. S. Ross, Dave Bramlet 1993-5-12 7354 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. 366 Comment
  RSA485378  Camissonia kernensis subsp. gilmanii Steve Boyd, Carol Boyd 1987-4-12 2010 Inyo South end of Greenwater Valley, 0.3 mile NW of jtn w/ Hwy 178, 2 miles W of Shoshone. Comment
  HSC87157  Camissonia micrantha Steve Boyd, T. S. Elias 1987-4-14 2034 Los Angeles San Gabriel Mtns., Rincon- Red Box Rd., S of Rincon Forest Station, N of Glendora Comment
  RSA543893  Camissonia micrantha Steve Boyd, Dave Bramlet 1991-5-13 6256 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
  UCR199837  Camissonia refracta Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11283 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
  OBI70929  Camissonia strigulosa Steve Boyd, Lauren Raz 1997-3-25 9316 Los Angeles Liebre Mtn Region. Upper end of broad alluvial valley at head of Cienaga cyn, S base of Liebre Mtn, at end of dirt rd leading 1 km NE of Knapp Ranch 1280 Comment
  RSA559318  Camissonia strigulosa Steve Boyd, T. S. Ross, Dave Bramlet 1993-5-13 7369 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Los Alamos Canyon at mouth of Wildhorse Canyon. 412 Comment
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Mar 24 2013
  UC2030099  Camissoniopsis hirtella Steve Boyd, Amber Maurice 2004-5-18 11319 Los Angeles Transverse Ranges; Liebre Mountains region: On road leading down towards Atmore Meadows area from main road on crest of Liebre Mountain, at crossing of spring outflow. Comment
  SBBG101667  Camissoniopsis intermedia S. Boyd 1991-5-20 6273 Riverside NW of Lake Elsinore, lower Rice Cyn, just inside Cleveland Nat For boundary 573 Comment
  SBBG101791  Camissoniopsis intermedia S. Boyd, T. Ross, M. Hammitt 1991-5-2 6044 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
  CAS-BOT-BC160539  Camissoniopsis lewisii Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 4043 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Sta. 609 Comment
  RSA515172  Canbya candida Steve Boyd, Orlando Mistretta 1986-3-31 1557 Los Angeles Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. Comment
  RSA520754  Cardaria pubescens Steve Boyd, D. E. Bramlet 1986-6-9 1942 Tulare Southern Sierra Nevada Mountains, Chimney Creek Canyon at Chimney Meadow, N base peak 7155. 1860 Comment
  SBBG55135  Cardiospermum corindum S. Boyd 1980-3-28 BC 155 Unknown Mex 1, 3 mi N of Punta Prieta Comment
  CAS-BOT-BC282975  Carduus pycnocephalus Steve Boyd; Tim Ross 1992-5-19 7427 Orange S Santa Ana Mountains, San Mateo Canyon Wilderness Area. W edge of the wilderness along Lucas Canyon Trail from access road to Rancho Carrillo (7S06) N into Aliso Canyon 457 Comment
  RSA668665  Carduus pycnocephalus Steve Boyd, LeRoy Gross 2002-5-7 10436 Los Angeles Del Sur Ridge, upper Haskel Canyon drainage, west of Bouquet Canyon, southward from the Coarse Gold Road (5N24). 610 Comment
  RSA593484  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
  SEINET7550729 Image available Carex athrostachya Steve Boyd, Tim Ross 1992-5-6 7268 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 moutain, from Road 8S02. 640 Comment
  RSA725350  Carex helleri Steve Boyd, Carol Boyd 2007-9-12 11751 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
  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
  RSA600540  Carex praegracilis Steve Boyd, Lauren Raz 1997-5-28 9862 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
  RSA601841  Carex praegracilis Steve Boyd 1996-4-25 8695 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
  RSA727125  Carex praegracilis Steve Boyd, Naomi Fraga 2004-4-27 10960 San Diego 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
  RSA520760  Carex praegracilis Steve Boyd, David E. Bramlet 1986-6-9 1949 Tulare Southern Sierra Nevada Mountains, Chimney Creek Canyon at Chimney Meadow, N base peak 7155. 1860 Comment
  RSA560513  Carex schottii Steve Boyd, Timothy S. Ross, Michael Wall 1992-6-3 7522 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Devil Canyon, from confluence with ''Miller Creek'' downstream approx. 1 mile. 488 Comment
  RSA560383  Carex senta Steve Boyd, Timothy S. Ross 1992-4-29 7141 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, from eastern-most segment of Clark Trail downstream to the border with Camp Pendleton. 152 Comment
  RSA561889  Carex triquetra Steve Boyd, Timothy S. Ross 1992-6-10 7640 -A Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about Potrero Escondito., 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
  SEINET3908708  Carex triquetra Steve Boyd, Tim Ross; Dave Bramlet 1993-5-12 7311 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area.; 0 366 Comment
  UC1563042  Carex triquetra Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-31 3069 Riverside 0.25 mi e Pauba Road (s of Hwy 79); Vail Lake area 426 Comment
  UCR90421  Carex triquetra Steve Boyd 1995-4-25 8509 San Diego Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on N flank of Agua Tibia Mtn along the Dripping Springs Trail 1128 Comment
  SEINET7578804 Image available Carex triquetra Steve Boyd, Tim Ross 1992-6-10 7640 A 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 of 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
  RSA486619  Castilleja angustifolia Steve D. Boyd, D. Charlton, L. Arnseth, S. Meury, D. Nordin, Richard Noyes, T. S. Ross 1988-4-8 1736 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
  UCR151713  Castilleja exserta Steve Boyd, Heidi Bigelow 2004-4-5 10802 San Diego Peninsular Ranges/ Cuyamaca-Laguna Mtns region, Pine Hills area, between Magee Flat and Deadman Flat along Eagle Peak Road Comment
  OBI70596  Castilleja foliolosa Steve Boyd, Lauren Raz 1997-3-31 9436 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 Comment
  RSA524401  Castilleja foliolosa Steve D. Boyd, Tim S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4096 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
  RSA701771  Castilleja foliolosa Steve D. Boyd, LeRoy Gross 2004-5-4 11107 San Diego Hills north of Warner Springs, north Indian Flats Campground of Cleveland National Forest along Road 9S05. 899 Comment
  UCR161032  Castilleja miniata Steve Boyd 1983-7-25 s.n. San Bernardino San Bernardino Mtns, Near Onyx Summit at Cienaga Seca, west of Hwy 38 2500 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
  RSA593462  Castilleja minor subsp. spiralis Steve D. Boyd, Mike Wall 1996-5-16 8790 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
  UC1563048  Castilleja plagiotoma Steve Boyd and Orlando Mistretta 1986-3-31 1530 Los Angeles 4 mi e Highway 138 junction with Highway 18 ne of Pinyon Hills; Mojave Desert Comment
  UCR138548  Castilleja plagiotoma Steve Boyd, Orlando Mistretta 1986-3-31 1530 Los Angeles Mojave Desert, Hwy 138, 4 mi east of junction with Hwy 18, NE of Pinyon Hills Comment
  RSA600414  Caulanthus amplexicaulis Steve Boyd, Lauren Raz 1997-4-30 9633 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
  CAS-BOT-BC38187  Caulanthus anceps Steve Boyd; Andrew Charles Sanders; R. T. Hawke; Shaun Hawke; Susan Hobbs; Paul Hobbs 1997-4-20 9563 Kern San Emigdio Range. Pleito Hills Region. San Emigdio Ranch, ridge of west side of Pleito Canyon. 1219 Comment
  CAS-BOT-BC38403  Caulanthus coulteri Steve Boyd; Valentin Arvizu 2008-5-1 11929 Kern Southern Sierra Nevada Region. Piute Mountains, lower Esperanza Canyon. 1463 Comment
  UCR99476  Caulanthus coulteri var. coulteri Steve Boyd, Lauren Raz 1997-3-14 9183 Los Angeles Liebre Mtns., Lower southeastern flank of Bald Mtn, near head of Liebre Gulch, due west of Sandberg 1213 Comment
  UCR204187  Caulanthus crassicaulis var. crassicaulis Steve Boyd, Michael Denslow, Amber Maurice, Sarah Swartzentruber, Aydee Virgen 2003-6-27 10517 Tulare Southern Sierra Nevada Range, Chimney Peak Recreation Area, summit of northern high point on Bear Mountain (Bear Peak) 2509 Comment
  RSA522739  Caulanthus heterophyllus Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3846 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
  RSA543775  Caulanthus heterophyllus Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6022 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
  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
  UC1608300  Caulanthus heterophyllus Steve Boyd, Tim Ross, and Orlando Mistretta 1992-2-26 6700 Riverside San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon; Santa Ana Mountains, San Mateo Cyn Wilderness Area 304 Comment
  UC1871195  Caulanthus heterophyllus Steve Boyd, Tim Ross 1994-3-29 8229 San Diego Peninsular Ranges; Cuyamaca-Laguna Mountains region; Southwestern Cyamaca Mountians, Clevland National Forest, southwest slope of Poser Mountain, at northern edge of Viejas Grande and Conejos Valley Road. T15S R3E NW1/4 SE1/4 sec. 17 elevation 2500to 2800ft. Comment
  UCR89490  Caulanthus heterophyllus Steve Boyd, T. S. Ross 1994-3-29 8229 San Diego SW Cuyamaca Mtns, Cleveland National Forest, SW slope of Poser Mtn, at northern edge of Viejas Valley, near jct of Old Viejas Grade and Conejos Valley Road. 854 Comment
  HSC85353  Caulanthus lasiophyllus Steve Boyd 1986-2-6 1241 Imperial Cargo Muchacho Mtns., large canyon at SE end of mountains, 5.4 mi. NE of I-8 off Sidewinder Rd. and Power-line Rd. 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
  RSA557777  Caulanthus lasiophyllus var. inalienus Steve Boyd 1992-4-29 7113 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern flank of San Mateo Canyon, along the Clark Trail the canyon bottom to the crest of ridge dividing Cold Spring and San Mateo Canyons. 213 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
  RSA527664  Caulanthus lasiophyllus var. rigidus Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3844 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
  RSA559936  Caulanthus lasiophyllus var. rigidus Steve Boyd 1992-4-18 6887 Riverside Vail Lake region, summit of Oak Mountain, N of lake near Henderson benchmark. 823 Comment
  UCR68472  Caulanthus lasiophyllus var. rigidus Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3844 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
  UCR77706  Caulanthus lasiophyllus var. rigidus Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6122 Riverside Peninsular Range, Vail Lake area, summit of Oak Mtn, north of lake near Henderson benchmark 823 Comment
  CAS-BOT-BC56930  Ceanothus Steve Boyd; Tim Ross 1993-3-23 7898 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, 670 Comment
  CAS-BOT-BC56931  Ceanothus Steve Boyd; Tim Ross 1993-3-23 7894 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, 670 Comment
  UC1594220  Ceanothus Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-31 3099 Riverside 1 mi W of Vail Lake 609 Comment
  RSA557732  Ceanothus crassifolius Steve Boyd, Ken Berg, Sandy Morey, Jon Keeley 1992-5-3 7169 B Riverside Vail Lake area, ridge about 1 mile west of the lake, east of ''Little'' Oak Mountain. 610 Comment
  RSA562563  Ceanothus crassifolius Steve Boyd, W. Appleby 1993-3-14 7726 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Northeastern corner of the wilderness, south of Elsinore Peak, in broad saddle on high ridge forming east side of Wildhorse Canyon. 976 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
  RSA570226  Ceanothus crassifolius Steve Boyd, Tim S. Ross 1993-3-23 7895 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
  RSA575066  Ceanothus crassifolius Steve Boyd 1981-3-4 810304 -Q 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
  RSA575059  Ceanothus cuneatus Steve Boyd 1981-3-4 810304 -C 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
  UC1861758  Ceanothus cuneatus Steve Boyd, Valerie Soza 2004-6-22 11542 Riverside Peninsular Ranges: San Jacinto Mountains region: Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along forest service road 5N13 near 5N06. 1463 Comment
  UCR60863  Ceanothus cuneatus Steve Boyd, C. Boyd, K. A. Boyd 1989-4-15 3250 Riverside Peninsular Range, Cahuilla Valley south of Anza, along Hwy 371 at the entrance to Lake Riverside development Comment
  RSA599506  Ceanothus cuneatus var. cuneatus Steve Boyd, Lauren Raz 1997-3-26 9331 Los Angeles Liebre Mountains region: Portal Ridge north of Lake Hughes, upper end of Myrick Canyon drainage along Lakeview Road. 1097 Comment
  CAS-BOT-BC51360  Ceanothus leucodermis Steve Boyd; Tim Ross 1992-6-4 7587 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area 731 Comment
  NY406543  Ceanothus ophiochilus S. D. Boyd 1989-3-19 3020 Riverside This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  SJSU15171  Ceanothus ophiochilus Steve Boyd, Tim Ross & Laurel Arnseth 1989-3-31 3097 Riverside Vail Lake area 1 mi W of Lake 624 Comment
  UC1594222  Ceanothus ophiochilus Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-31 3097 Riverside 1 mi W of Vail Lake 609 Comment
  UCR103390  Ceanothus ophiochilus Steve Boyd, K. A. Boyd 1993-3-28 7914 Riverside Palomar Mountains, Palomar Range south of Vail Lake at the N base of Agau Tibia Mt., Agua Tibia Widerness area, Cleveland National Forest. Along trail extending S from end of Woodchuck Rd 884 Comment
  SEINET4411368  Ceanothus ophiochilus S. D. Boyd 1993-1 Unknown Comment
  RSA608242  Ceanothus papillosus var. roweanus Steve Boyd, Bart O'Brien 1998-1-13 10076 Orange Santa Ana Mountains: north end of the range, NW of Pleasants Peak, along Main Divide Road (3S04) ca. 4.9 mi south of Oak Flat, at saddle between Hagador and Baker canyons. 1165 Comment
  SD136766  Ceanothus spinosus Steve Boyd, Orlando Mistretta 1992-4-22 7009 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 609 Comment
  UCR81115  Ceanothus spinosus Steve Boyd, Orlando Mistretta 1992-4-22 7009 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
  SD152767  Ceanothus tomentosus Steve Boyd, T. Ross, O. Mistretta 1992-3-31 6765 Riverside Santa Ana Mountains, San Mateo Cyn. Wilderness Area. Tenaja Trail from jtn w/ Morgen Tr. S to Pigeon Spring area 671 Comment
  RSA524608  Ceanothus tomentosus subsp. olivaceus Steve Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3931 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  CAS-BOT-BC52873  Ceanothus velutinus Jean Boyd; Marvin Kelly 1953-5-1 s.n. Mendocino Coast road 3 miles north of Fort Bragg Comment
  CAS-BOT-BC277163  Centaurea melitensis Steve Boyd; Tammy Morgan 2004-5-11 11182 Ventura Transverse Ranges; Mount Pinos region: Topa Topa [Topatopa] Mountains, east of Sespe Canyon near upper end of Tar Creek Road (and trail) Comment
  SD152950  Centaurea melitensis Steve Boyd, Tim Ross 1992-5-20 7477 Orange Southern Santa Ana Mountains; western edge of the wilderness in Lucas Canyon, along foot trail upstream from end of old roadgrade to upper homestead. 349 Comment
  UCR200746  Centaurea melitensis Steve Boyd, Tammy Morgan 2004-5-11 11182 Ventura Transverse Ranges; Mount Pinos region, Topa Topa Mtns, east of Sespe Canyon near upper end of Tar Creek Road and trail Comment
  UCR22109  Centaurea melitensis Steve Boyd 1980-5-28 305 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 625 Comment
  NY532370  Centaurea repens S. D. Boyd 1996-6-25 8866 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. 853.4 Comment
  SEINET11262193  Centaurea solstitialis Steve Boyd 1985-8-18 1124 Alameda Fremont, playground of John Blacow Elementary School and adjacent park.; 0 Comment
  RSA561524  Centaurea solstitialis Steve Boyd 1992-9-9 7672 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
  RSA593591  Centaurium exaltatum Steve Boyd, Orlando Mistretta, Valerie Soza 1996-6-12 8833 Los Angeles Liebre Mountains, Castaic Creek drainage upstream from confluence of Fish Canyon 549 Comment
  RSA500128  Centaurium venustum Steve Boyd, T. S. Ross, L. Arnseth 1989-6-10 3683 Riverside Vail Lake area, benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  UCR21173  Centaurium venustum 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
  RSA571274  Centrostegia thurberi Steve Boyd, D. L. Banks, Orlando Mistretta 1994-4-29 8315 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
  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
  UCR151962  Cerastium glomeratum Steve Boyd, Heidi Bigelow 2004-4-5 10807 San Diego Peninsular Ranges/ Cuyamaca-Laguna Mtns region, Pine Hills area, between Magee Flat and Deadman Flat along Eagle Peak Road Comment
  UCR160062  Cerastium glomeratum Steve Boyd, V. Arvizu 2004-6-8 11491 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
  UCR199819  Cercocarpus betuloides Steve Boyd, Lisa Rojas 2004-5-26 11365 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
  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
  RSA701682  Cercocarpus betuloides var. betuloides Steve D. Boyd, Valentin Arvizu 2004-6-8 11501 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
  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
  UCR79226  Cercocarpus minutiflorus Steve Boyd, T. S. Ross 1992-2-21 6669 Riverside Santa Ana Mtns., Southern part of Mtns., San Mateo Canyon Wilderness Area. Potrero de la Cienega area along Morgan Trail from Morrell Canyon south 854 Comment
  UCR120618  Chaenactis artemisiifolia Steve Boyd, T. S. Ross 1988-4-28 2235 Los Angeles San Gabriel Mtns., W end of mtns., Angeles National Forest. Sand Canyon, east of Saugus. In small side canyon 793 Comment
  CAS-BOT-BC276404  Chaenactis carphoclinia Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2148 Riverside N end Palen Mountains, 2 miles W of Palen Pass, mid-bajada 300 Comment
  HSC85334  Chaenactis carphoclinia var. carphoclinia Steve Boyd 1986-2-6 1211 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
  HSC87146  Chaenactis carphoclinia var. carphoclinia Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2148 Riverside N end of the Palen Mtns., 2 mi. W of Palen Pass 300 Comment
  RSA726162  Chaenactis fremontii Steve Boyd, Tammy Morgan 2004-3-30 10719 -B San Bernardino Southern end of the Cady Mountains northwest of Ludlow (north of Interstate 40) about hill topped with communication towers. 854 Comment
  SD232175  Chaenactis fremontii Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10462 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
  UC1928539  Chaenactis fremontii Steve Boyd, LeRoy Gross 2008-4-11 11839 A 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
  UCR49268  Chaenactis glabriuscula Steve Boyd 1986-5-1 1808 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  UCR59502  Chaenactis glabriuscula Steve Boyd, T. Ross, L. Arnseth 1989-4-2 3239 B Riverside Peninsular Range, Vail Lake area, sandy valley at NE end of lake, north of Wilson Creek 488 Comment
  CAS-BOT-BC277409  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1986-5-1 1808 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow, gabbro substrate; Skunk Hollow vernal pool Comment
  HSC85279  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1986-5-1 1820 Riverside S slopes of Bachelor Mtn, E end of Lake Skinner Comment
  RSA560424  Chaenactis glabriuscula var. glabriuscula Steve Boyd, Timothy S. Ross, Michael Wall 1992-6-4 7532 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Devil Canyon at the confluence with 'Miller Canyon' 537 Comment
  RSA562558  Chaenactis glabriuscula var. glabriuscula Steve Boyd, Orlando Mistretta 1993-5-11 8122 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
  RSA599709  Chaenactis glabriuscula var. glabriuscula Steve Boyd, Lauren Raz, Timothy S. Ross 1997-4-1 9458 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
  UCR218073  Chaenactis glabriuscula var. glabriuscula Steve Boyd 2010-5-26 12279 Riverside Santa Ana Mountains, 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
  RSA726100  Chaenactis stevioides Steve Boyd, Michael Denslow 2004-3-23 10659 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
  RSA702337  Chamaesyce polycarpa Steve Boyd, Michael Denslow 2004-3-23 10616 San Bernardino Lavic Mountain, southern end of the Cady Mountains northwest of Ludlow (north of Interstate 40) along powerline/pipeline access road. Comment
  RSA557719  Chamaesyce polycarpa var. polycarpa Steve Boyd, T. S. Ross 1992-4-29 7108 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern flank of San Mateo Canyon, along the Clark Trail the canyon bottom to the crest of ridge dividing Cold Spring and San Mateo Canyons. 213 Comment
  RSA518139  Chamaesyce serpillifolia Steve Boyd 1990-10-4 5231 San Bernardino New York Mountains, Upper part of Carruther's Canyon , along stream below Giant Ledge Mine. Comment
  RSA480015  Chamaesyce setiloba Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2140 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 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
  RSA523509  Cheilanthes clevelandii Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-30 3968 Riverside Vail Lake Area, westerly drainage cyn at N base of 'Big' Oak Mtn. 640 Comment
  RSA560308  Cheilanthes clevelandii Steve Boyd, Timothy S. Ross 1992-6-4 7588 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
  UC1719657  Cheilanthes clevelandii Steve Boyd, LeRoy Gross 2004-5-4 11089 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
  HSC80298  Chenopodium album Steve Boyd 1985-7-23 1012 Riverside De Luz Road, 7.6 mi W of Rancho California, where Sandia Creek crosses road. 335 Comment
  UCR22147  Chenopodium berlandieri Steve Boyd 1980-7-20 337 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  RSA557885  Chenopodium californicum Steve Boyd, Orlando Mistretta 1992-4-22 7024 San Diego Southern Santa Ana Mountains, san Mateo canyon Wilderness Area. Along Clark Trail from Indian Potrero, east in San Mateo Canyon. 244 Comment
  UCR71243  Chenopodium californicum Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4361 Los Angeles Channel Islands, San Clemente Island: E side of the island, near Malo Point, third canyon south of Bryce Canyon 427 Comment
  RSA0081480  Chenopodium desiccatum Steve Boyd, Valerie Soza, Victoria Jotikasthira, Lauren Raz 1996-7-11 8900 Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to powerplant, just north of upper end of Castaic Lake. 470 Comment
  RSA562753  Chenopodium murale Steve Boyd, Timothy S. Ross 1992-5-19 7429 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
  RSA560489  Chenopodium pumilio Steve Boyd, Timothy S. Ross, Michael Wall 1992-6-2 7486 San Diego 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. 537 Comment
  RSA594394  Chenopodium rubrum Steve Boyd, Lauren Raz 1996-10-14 9071 Los Angeles Liebre Mountains region, north shore of Elizabeth Lake, Pine Canyon south of Portal Ridge at Angeles National Forest picnic area. 1000 Comment
  RSA701160  Chilopsis linearis subsp. arcuata Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11264 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
  RSA731218  Chorizanthe brevicornu Steve Boyd, LeRoy Gross 2008-4-11 11836 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
  UCR148382  Chorizanthe brevicornu Steve Boyd, Michael Denslow 2004-3-23 10593 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
  UCR200783  Chorizanthe brevicornu Steve Boyd, LeRoy Gross 2008-4-11 11836 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
  RSA388036  Chorizanthe brevicornu var. brevicornu Steve Boyd 1986-2-6 1221 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
  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
  UCR48423  Chorizanthe brevicornu var. brevicornu Steve Boyd 1986-2-6 1221 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
  UCR58855  Chorizanthe fimbriata Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3628 Riverside Butterfield Valley, Vail Lake area, just south of junction of Hwy 79 and road to the marina 460 Comment
  HSC85276  Chorizanthe fimbriata var. fimbriata Steve Boyd 1986-5-1 1785 Riverside SW Perris Basin: Hill W of Skunk Hollow. Comment
  CAS-BOT-BC191313  Chorizanthe fimbriata var. laciniata Steve Boyd; Lisa Rojas 2004-5-26 11393 San Diego Peninsular Ranges: Cuyamaca-Laguna Mountains region: in Ko-Pah Mountains, western flank of Thing Valley, NE of transit station Posta, Cleveland National Forest along forest service road 1643 Comment
  RSA727121  Chorizanthe fimbriata var. laciniata Steve Boyd, Naomi Fraga 2004-4-27 10954 San Diego 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
  HSC85265  Chorizanthe leptotheca Steve Boyd 1986-4-22 1758 Riverside Temescal Canyon: Benches of Indian wash just S of Hwy. 15 Comment
  RSA407718  Chorizanthe leptotheca Steve Boyd 1986-4-22 1758 Riverside Temescal Canyon: Stable alluvial benches of Indian wash just south of I-15. Comment
  SD136789  Chorizanthe leptotheca Steve Boyd 1986-4-19 1706 Riverside Temescal Canyon, east side of Indian Wash between I-15 & Temescal Canyon Road, open sandy areas Comment
  UCR93059  Chorizanthe leptotheca Steve Boyd 1986-4-19 1706 Riverside Peninsular Range, Temescal Canyon, east side of Indian wash between I-15 and Temescal Canyon Road 351 Comment
  UCR22053  Chorizanthe polygonoides subsp. longispina Steve Boyd 1980-4-27 146 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  RSA407725  Chorizanthe polygonoides var. longispina Steve D. Boyd 1986-5-1 1788 Riverside South Western Perris Basin: Hill W of Skunk Hollow. Comment
  RSA562088  Chorizanthe polygonoides var. longispina Steve Boyd, Tim S. Ross 1992-5-6 7284 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
  RSA562455  Chorizanthe polygonoides var. longispina Steve Boyd, Tim S. Ross 1992-5-5 7234 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 732 Comment
  SBBG101663  Chorizanthe polygonoides var. longispina S. Boyd 1991-5-20 6265 Riverside Temescal Cyn, S flank of Alberhill Mtn, W end adjacent to old clay mine area 426 Comment
  SD181399  Chorizanthe polygonoides var. longispina Steve Boyd 2001-4-12 10407 Riverside Santa Ana Mountains Gavilan Hills Region: Temescal Canyon, terrace escarpment just south of DePalma Road between Indian Wash and Horsethief Wash Comment
  UC2029939  Chorizanthe polygonoides var. longispina Steve Boyd 2001-4-12 10407 Riverside SANTA ANA MOUNTAINS - GAVILAN HILLS REGION: Temescal Canyon, terrace escarpment just south of DePalma Road between Indian Wash and Horsethief Wash. 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
  RSA561769  Chorizanthe procumbens Steve Boyd 1992-4-21 6958 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. 640 Comment
  UCR79483  Chorizanthe procumbens Steve Boyd, T. S. Ross 1992-6-4 7581 San Diego Peninsular Range; Santa Ana Mtns, San Mateo Cyn Wilderness Area. SE edge of wilderness in Devil Cyn drainage, NW of Sky Ranch. 732 Comment
  RSA475295  Chorizanthe rigida Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2105 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  UCR51957  Chorizanthe rigida Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, et al. 1988-3-10 2105 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  CAS-BOT-BC244717  Chorizanthe staticoides Steve Boyd; Tim Ross; Dave Bramlet 1993-5-13 7377 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile 533 Comment
  UC1595604  Chorizanthe staticoides Steve Boyd and Orlando Mistretta 1991-5-22 6296 Riverside base Agua Tibia Mountain (e of Dorland Mtn., w of Kolb Creek, Vail Lake area); Vail Lake Area, base of Agua Tibia Mtn, w of Kolb Crk 548 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
  CDA7409  Chrysanthemum coronarium Steve Boyd, T. S. Ross 1989-5-1 3587 San Bernardino City of Ontario, east side of Milliken Avenue, just north of entrance to County landfill. 0 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
  SEINET7988609  Chrysothamnus nauseosus subsp. mohavensis Steve Boyd 1996-10-14 9096 Los Angeles Liebre Mountains Region, Liebre Mountains region 1100 Comment
  RSA615906  Chrysothamnus viscidiflorus subsp. viscidiflorus Steve Boyd, Pesach Lubinsky 1998-8-10 10264 San Bernardino San Bernardino Mountains: Northwest flank of Sugarlump (aka Bear Mountain), head of Deer Canyon. 2585 Comment
  SD241104  Chylismia brevipes Steve Boyd 2010-4-19 12249 Inyo Mojave Desert; North Johave Desert region: northwest base of Dublin Hills, south of Hwy 178, northwest of Shoshone. 641 Comment
  RSA735571  Cirsium neomexicanum Steve Boyd, Tammy Morgan 2004-6-1 11452 San Bernardino Clark Mountains, western flank of the range in large canyon south of Pachalka Spring. 1433 Comment
  UCR22106  Cirsium occidentale Steve Boyd 1980-5-15 254 A Riverside Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan plateau 625 Comment
  SBBG96678  Cirsium occidentale var. californicum S. Boyd, T. Ross, L. Arnseth 1990-4-7 4271 Los Angeles lower half of China Cyn, S end of island, W side Comment
  SD152947  Cirsium occidentale var. californicum Steve Boyd, Tim Ross 1992-5-6 7296 San Diego Southern Santa Ana Mountains; southern flank of Miller Mountains about upper portions of Miller Canyon. 700 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
  RSA515487  Cirsium occidentale var. venustum Steve Boyd, David E. Bramlet 1986-6-9 1881 Tulare Southern Sierra Nevada Mountains: Chimney Creek Canyon, side canyon south Peak 7155 south of Chimney Creek Meadow. Comment
  RSA573434  Cirsium vulgare Steve Boyd, Timothy S. Ross 1994-9-14 8341 Riverside Southern Santa Ana Mtns, San Mateo Canyon wilderness area of Cleveland National Forest, Southwestern edge of the Oak flat area, 0.5 miles S of Serrano Spring. 732 Comment
  RSA596702  Cirsium vulgare Steve Boyd, Lauren Raz 1996-9-24 8930 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
  RSA387366  Cistanthe monandra Steve Boyd 1986-4-19 1701 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road. Comment
  RSA515212  Cistanthe monandra Steve Boyd 1986-3-30 1510 Los Angeles Mojave Desert: Highway 18, 0.5 miles east of junction with Hwy 138, NE of Pinyon Hills. Comment
  RSA543784  Cistanthe monandra Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6041 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
  RSA730914  Cistanthe monandra Steve Boyd, Valentin Arvizu 2008-5-1 11901 Kern Southern Sierra Nevada region: Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley. 1372 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
  RSA562552  Clarkia bottae Steve Boyd, Orlando Mistretta 1993-5-11 8129 Los Angeles 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
  RSA525336  Clarkia epilobioides Steve Boyd 1990-4-28 4466 Riverside Vail Lake area, Hwy R3 (Sage rd) at junction with Debby Road. just S of Sage. Comment
  UCR22067  Clarkia epilobioides Steve Boyd 1980-4-27 148 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  OBI70665  Clarkia heterandra Steve Boyd, Lauren Raz 1997-5-20 9795 Los Angeles Liebre Mts Region: N flank of Sawmill Mtn, upper Heryford Cyn drainage, just NE of Sawmill Summit at the jctn of Forest Svc rds &N23 and &N08 1585 Comment
  OBI70658  Clarkia purpurea subsp. quadrivulnera Steve Boyd, Lauren Raz 1997-5-29 9906 Los Angeles Liebre Mts Region: Portal Ridge, N of the San Andreas Rift zone, in the Cow Srping drainage along the Pacific Crest Trl, at point where trl crosses side drainage originating on ridge forming divide with Gookins Dry lake 1097 Comment
  RSA525401  Clarkia purpurea subsp. quadrivulnera Steve Boyd, D. E. Bramlet 1990-4-29 4511 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  RSA561606  Clarkia unguiculata Steve Boyd, Orlando Mistretta 1993-5-18 8154 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
  RSA561823  Clarkia unguiculata Steve Boyd, Orlando Mistretta 1993-6-3 8177 Los Angeles Western San Gabriel Mountains: north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest., North of Santa Clara Rd (3N17.9) at head of eastern-most canyons, 1/4 mile northeast of May Canyon saddle. 915 Comment
  RSA593498  Clarkia unguiculata Steve Boyd, Mike Wall 1996-5-16 8769 Los Angeles Liebre Mountains, Charlie Canyon in vicinity of prominent sandstone outcrop visible from Lake Hughes Road east of Castaic Lake 549 Comment
  RSA597993  Claytonia parviflora subsp. parviflora Steve Boyd, Lauren Raz 1997-3-14 9165 Los Angeles Liebre Mountains, lower north flank of Liebre Mountain, eastern slope of Horse Camp Canyon. 1389 Comment
  RSA735376  Claytonia parviflora subsp. parviflora Steve Boyd, Lisa Rojas 2004-5-26 11394 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
  UC1928517  Claytonia parviflora subsp. parviflora Steve Boyd, Heidi Bigelow 2004-4-5 10806 San Diego Peninsular Ranges; Cuyamaca-Laguna Mountains region; Pine Hills area, between Magee Flat and Deadman Flat along Eagle Peak Rd. Comment
  UC1928679  Claytonia parviflora subsp. parviflora Steve Boyd, Valentin Arvizu 2008-5-1 11928 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
  UCR200687  Claytonia parviflora subsp. parviflora Steve Boyd, Aydee Virgen 2004-4-13 10882 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  UCR200735  Claytonia parviflora subsp. parviflora Steve Boyd, Tammy Morgan 2004-5-11 11187 Ventura Transverse Ranges; Mount Pinos region, Topa Topa Mtns, east of Sespe Canyon near upper end of Tar Creek Road and trail Comment
  UCR225288  Claytonia parviflora subsp. parviflora Steve Boyd, Lisa Rojas 2004-5-26 11394 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
  UCR91613  Claytonia parviflora subsp. parviflora Steve Boyd, D. L. Banks 1995-4-6 8450 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
  RSA524240  Claytonia parviflora subsp. viridis Steve Boyd, Timothy S. Ross, Laurel Arnseth, Jaime Bonilla 1990-4-2 4036 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  SD217352  Claytonia parviflora subsp. viridis Steve Boyd, Tim Ross, et al 1990-4-2 4036 Riverside Vail Lake area, lower slopes of Agua Tibia Mountain, along Highway 79, East of USFWS Dripping Springs Guard Station. 487 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
  UCR71247  Claytonia perfoliata Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4293 Los Angeles Channel Islands, San Clemente Island: E side of the island, near Malo Point, first canyon south of Bryce Canyon Comment
  RSA560384  Claytonia perfoliata subsp. mexicana Steve Boyd, Timothy S. Ross 1992-4-30 7161 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
  SBBG97022  Claytonia perfoliata subsp. mexicana S. Boyd with T. Ross, L. Arnseth 1990-4-8 4404 Los Angeles Bryce Cyn near Malo Pt Comment
  RSA592850  Claytonia rubra subsp. rubra Steve Boyd, Orlando Mistretta 1996-5-1 8751 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
  RSA701792  Clematis lasiantha Steve Boyd, Heidi Bigelow 2004-4-5 10779 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
  UC1608232  Clematis lasiantha Steve Boyd, Tim Ross, and Orlando Mistretta 1992-3-31 6758 Riverside Tenaja Trail from junction with Morgan Trail s. to Pigeon Spring area (San Mateo Canyon Wilderness Area); Santa Ana Mts., San Mateo Canyon Wilderness Area 670 Comment
  SD136775  Clematis ligusticifolia Steve Boyd, T. Ross, D. Bramlet 1992-9-9 7676 Riverside San Mateo Canyon Wilderness, Upper San Mateo Canyon, top of Tenaja Falls 671 Comment
  RSA543184  Clematis pauciflora Steve Boyd 1991-3-17 5495 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
  RSA592784  Cleome isomeris Steve Boyd 1996-4-25 8682 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
  RSA526076  Cleome isomeris Steve Boyd 1990-4-6 4175 Los Angeles San Clemente Island. East side of island, 0.2 mile S of U.S. Navy site called Jack. 152 Comment
  CDA7443  Cnicus benedictus Steve Boyd, T. S. Ross 1989-5-1 3584 San Bernardino City of Ontario, east side of Milliken Avenue, just north of entrance to County landfill. 0 Comment
  RSA612148  Coleogyne Steve D. Boyd, Kent Hughes 1998-4-28 10203 Kern Southern Sierra Nevada, Piute Range: Jawbone Canyon, southeast of confluence with Hoffman Canyon, north base of Chuckwalla Mountain. 823 Comment
  SD215669  Collinsia bartsiifolia var. davidsonii Steve Boyd, Lauren Raz 1997-3-26 9352 Los Angeles Northern base of Portal Ridge at the mouth of Myrick Canyon, southern edge of the Antelope Valley, south of Fairmont Reservoir 975 Comment
  SEINET10307725 Image available Collinsia bartsiifolia var. davidsonii Steve D. Boyd, Lauren Raz 1997-4-16 9520 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
  RSA507955  Collinsia childii Steve D. Boyd, C. Boyd, K. Boyd, R. Noyes, L. Arnseth 1988-5-28 2273 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. 1500 Comment
  RSA0117414  Collinsia concolor Steve D. Boyd 1986-4-22 1734 Riverside Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mtn. and Gavilan Hills. Comment
  RSA0117443  Collinsia concolor Steve D. Boyd, LeRoy Gross 2004-5-4 11050 San Diego Hills north of Warner Springs, Indian Flats Campground of Cleveland National Forest along Road 9S05. Comment
  RSA0117445  Collinsia concolor Steve D. Boyd, LeRoy Gross 2004-5-4 11166 San Diego Hills north of Warner Springs, north Indian Flats Campground of Cleveland National Forest along Road 9S05. 899 Comment
  UCR204764  Collinsia concolor Steve Boyd, Naomi Fraga 2004-4-27 11010 San Diego Peninsular Ranges; Anza Bench region, Warner Springs area, rolling terrain near the Pacific Crest Trail, south of Hwy 79 and west of the Warner Springs Resort 898 Comment
  RSA0117420  Collinsia concolor Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-4-1 3143 Riverside Vail Lake area, ridge along N edge Oak Mountain, 1.5-2.0 miles W of the dam. 518 Comment
  UC1608270  Collinsia heterophylla Steve Boyd 1992-4-15 6868 Riverside Bluewater Canyon along Bluewater Trail downstream to the confluence with San Mateo Creek, San Mateo Canyon Wilderness Area, Santa Ana Mountains San Mateo Creek; Santa Ana Mountains, San Mateo Canyon Wilderness Area 335 Comment
  RSA0117322  Collinsia parryi Steve D. Boyd, Lauren Raz 1997-3-31 9409 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
  UC1608302  Collinsia parryi Steve Boyd and Orlando Mistretta 1992-4-23 7072 Riverside following San Mateo Trail upstream to confluence with Bluewater Canyon (along San Mateo Creek from Riverside County line, San Mateo Canyon Wilderness Area, Southern Santa Mts); Southern Santa Ana Mts., San Mateo Canyon Wilderness Area 243 Comment
  CAS-BOT-BC216025  Convolvulus Steve Boyd 1986-5-1 1810 Riverside Lower south slopes of Bachelor Mtn., east end of Lake Skinner, Bachelor Mtn. Comment
  RSA335030  Convolvulus arvensis Steve Boyd 1985-7-23 1003 Riverside 5.2 mi. west of Rancho California on De Luz Rd. 396 Comment
  SBBG101665  Convolvulus simulans S. Boyd 1991-5-20 6268 Riverside Temescal Cyn, S flank of Alberhill Mtn, W end adjacent to old clay mine area 426 Comment
  UCR77715  Convolvulus simulans Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6126 Riverside Peninsular Range, Vail Lake area, summit of Oak Mtn, north of lake near Henderson benchmark 823 Comment
  HSC83131  Cordylanthus nevinii Steve Boyd 1983-7-25 San Bernardino San Bernardino Mtns., near Onyx Summit at Cienaga Seca, W of Hwy. 38 2500 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
  UCR198372  Coreopsis bigelovii Steve Boyd, Valentin Arvizu 2008-5-1 11930 Kern Southern Sierra Nevada Range, Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley 1463 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-BC287884  Coreopsis californica Steve Boyd 1986-4-22 1746 Riverside Temescal Canyon: benches of Indian wash just S of Interstate 15 Comment
  RSA523515  Coreopsis californica Steve Boyd 1990-3-30 3974 Riverside Vail Lake area, valley between Black Hills & Rocky Ridge. 701 Comment
  UC1605404  Corethrogyne filaginifolia Steve Boyd 1994-10-14 8401 Riverside San Mateo Canyon n Tenaja Canyon (along Fisherman's Camp Trail); Southern Santa Ana Mountains, Cleveland NF, San Mateo Canyon 451 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
  RSA515221  Coryphantha alversonii Steve Boyd, Orlando Mistretta 1986-3-13 1465 Riverside West side Palen Mts.: NE of Desert Center. Comment
  CDA21779  Cosmos sulphureus Steve Boyd 1989-7-9 3778 Riverside City of Riverside, 4863 Rubidoux Ave. 0 Comment
  CAS-BOT-BC427789  Crassula connata Steve Boyd; Darin Banks 1994-4-6 8283 B San Diego Southwestern Cuyamaca Mountains, Cleveland National Forest, southern slope of Poser Mountain at northern edge of Viejas Valley, along Old Viejas Grade ca 0.25 miles WNW of Red Oak Road. 883 Comment
  RSA523528  Crassula connata Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3987 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA583816  Crassula connata Steve Boyd, Darin L. Banks 1995-4-6 8464 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
  RSA611653  Crassula connata Steve Boyd, Lauren Raz, Mike Kinney 1998-3-17 10083 Los Angeles Liebre Mountains region: Anaverde Valley at north base of Sierra Pelona. 976 Comment
  UC1928625  Crassula connata Steve Boyd 2003-1-17 10440 Los Angeles Los Angeles Basin region; Vicinity of Irwindale east of the San Gabriel River and west of gravel pits, just north of Foothill Blvd, ca. 600 meters west of Irwindale Ave. Comment
  SD232178  Crepis acuminata Steve Boyd, Michael Denslow, Amber Maurice, Sarah Swartzentruber, Aydee Virgen 2003-6-27 10536 Tulare Sierra Nevada; Southern Sierra Nevada region: Chimney Peak Recreation Area, summit of northern high point on Bear Bountain (Bear Peak) 2509 Comment
  UCR93050  Cressa truxillensis Steve Boyd, D. L. Banks 1994-9-29 8373 Riverside Lake Elsinore, Floodplain east of dike along San Jacinto River, west of Sedco Hills community 381 Comment
  RSA725145  Croton californicus Steve Boyd, Carol Boyd 2007-10-10 11776 San Bernardino City of Colton, remnant of Colton Dunes, vacant lot between Colton Municpal Golf Course and Arrowhead Regional Medical Center at end of 200 block of Eucalyptus Ave, between Valley Blvd to south and San Bernardino Ave. to north. 335 Comment
  UC1928617  Croton californicus Steve Boyd 2007-10-10 11776 San Bernardino Coastal Plains & Basins; San Bernardino Basin region; City of Colton, remnant of Colton Dunes, vacant lot between Colton Municipal Golf Course and Arrowhead Regional Medical Center at end of 200 block of Eucalyptus Ave, between Valley Blvd to south and San Bernardino Ave. to north. 335 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
  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
  RSA731212  Cryptantha angustifolia Steve Boyd, LeRoy Gross 2008-4-11 11841 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
  UCR138589  Cryptantha angustifolia Steve Boyd, T. S. Elias, Erika Winter 1986-2-18 1317 Riverside Western Colorado Desert, Mecca Hills: Painted Canyon north of Hwy 195 Comment
  UCR200775  Cryptantha angustifolia Steve Boyd, LeRoy Gross 2008-4-11 11841 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
  UCR225699  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
  RSA569981  Cryptantha barbigera Steve Boyd, Tim Ross, W. Appleby 1993-3-20 7883 San Bernardino Chemehuevi Valley, southwest of Needles, west of the Chemehuevi Mountians along Water Road, just North of intersection with Highway 95. 500 Comment
  RSA570252  Cryptantha barbigera Steve Boyd, Tim Ross, W. Appleby 1993-3-20 7881 San Bernardino Chemehuevi Valley, southwest of Needles, west of the Chemehuevi Mountians along Water Road, just North of intersection with Highway 95. 500 Comment
  RSA682164  Cryptantha barbigera Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10443 -[A] 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
  RSA726153  Cryptantha barbigera Steve Boyd, Tammy Morgan 2004-3-30 10689 San Bernardino Southern end of the Cady Mountains northwest of Ludlow (north of Interstate 40) about hill topped with communication towers. 854 Comment
  RSA520771  Cryptantha circumscissa Steve Boyd, C. Boyd 1987-4-12 1974 Inyo North end of Greenwater Valley, 3.2 miles S of Dante's View Road, just outside Death Valley National Monument area Comment
  SD215427  Cryptantha circumscissa Steve Boyd, Lauren Raz 1997-3-25 9275 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
  UCR138547  Cryptantha circumscissa Steve Boyd, Orlando Mistretta 1986-3-31 1539 Los Angeles Mojave Desert, Hwy 138, 4 mi east of junction with Hwy 18, NE of Pinyon Hills Comment
  RSA0089242  Cryptantha circumscissa var. circumscissa Steve D. Boyd, Gary D. Wallace 2011-4-14 12312 Los Angeles Transverse Ranges; Liebre/San Gabriel Mountains region: Acton Wash ca. 3km east of junction of Soledad Canyon Road and Crown Valley Road. 829 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
  RSA0078811  Cryptantha cycloptera Steve Boyd, LeRoy Gross 2008-4-11 11883 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
  HSC101586  Cryptantha decipiens Steve Boyd 2005-4-6 11628 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
  UCR200753  Cryptantha decipiens Steve Boyd, Tammy Morgan 2004-5-11 11196 Ventura Transverse Ranges; Mount Pinos region, Topa Topa Mtns, east of Sespe Canyon near upper end of Tar Creek Road and trail Comment
  UCR98788  Cryptantha decipiens Steve Boyd, L. Raz 1997-4-30 9594 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
  SD232225  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). Burned over woodland. 2509 Comment
  UC1929416  Cryptantha echinella Steve Boyd, Valentin Arvizu 2004-6-8 11480 A 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
  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
  CAS-BOT-BC218751  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 Road and Power-line Road Comment
  RSA495410  Cryptantha intermedia Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-12 2945 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA524607  Cryptantha intermedia Steve Boyd, Tim Ross, L. Arnseth 1990-3-29 3930 Riverside Vail Lake area, summit of 'Big' Oak Mtn, N. of lake. 793 Comment
  RSA526514  Cryptantha intermedia Steve Boyd, Tim Ross, L. Arnseth 1990-4-7 4253 b Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  SBBG53744  Cryptantha intermedia S. Boyd 1980-4-8 Riverside Harford Springs County Park, located on the NW corner of the Gavilan Plateau 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
  SD136884  Cryptantha intermedia Steve Boyd 1986-4-2 1600 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park 609 Comment
  SD217244  Cryptantha intermedia Steve Boyd, Tim Ross and Laurel Arnseth 1990-4-8 4363 Los Angeles San Clemente Island; east side of island, near Malo Point, third canyon south of Bryce Canyon. Comment
  UC1928512  Cryptantha intermedia Steve Boyd, Naomi Fraga 2004-4-27 10997 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
  UCR200702  Cryptantha intermedia Steve Boyd, Naomi Fraga 2004-4-27 10997 San Diego Peninsular Ranges; Anza Bench region, Warner Springs area, rolling terrain near the Pacific Crest Trail, south of Hwy 79 and west of the Warner Springs Resort 898 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
  RSA726160  Cryptantha maritima Steve Boyd, Tammy Morgan 2004-3-30 10717 -B San Bernardino Southern end of the Cady Mountains northwest of Ludlow (north of Interstate 40) about hill topped with communication towers. 854 Comment
  UCR200760  Cryptantha maritima Steve Boyd, LeRoy Gross 2008-4-11 11838 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
  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
  RSA0093138  Cryptantha micrantha Steve Boyd, Gary D. Wallace 2011-4-14 12315 Los Angeles Transverse Ranges; Liebre/San Gabriel Mountains region: Acton Wash ca. 3km east of junction of Soledad Canyon Road and Crown Valley Road. 829 Comment
  UC1563096  Cryptantha micrantha Steve Boyd and Orlando Mistretta 1986-3-13 1429 Riverside ne of Desert Center (jct of Parker Dam Rd and Palen Rd (rd going through pass between Palen and Granite Ranges)); Palen Mountains 243 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
  RSA736014  Cryptantha micromeres Steve Boyd, Valentin Arvizu 2004-6-8 11464 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
  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
  RSA543887  Cryptantha microstachys Steve Boyd 1991-5-20 6263 Riverside Temescal Canyon, S flank of Alberhill Mtn, W end adjacent to old clay mine area. 426 Comment
  RSA599689  Cryptantha microstachys Steve Boyd, Lauren Raz 1997-5-6 9708 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
  RSA479522  Cryptantha muricata Steve Boyd, Thomas Elias 1987-4-14 2068 Los Angeles San Gabriel Mountains, ridge between Pine Mtn. and Silver Mtn. S. of Rincon - Red Box Rd, N of Glendora. Comment
  SBBG132283  Cryptantha muricata S. Boyd, N. Fraga 2004-4-27 10996 San Diego hills N of Warner Springs, S of Indian Flats Cmpgrd along Rd 9505 Comment
  SEINET3084441 Image available Cryptantha muricata Steve Boyd, T. S. Elias 1987-4-14 2058 Los Angeles San Gabriel Mtns.; ridge between Pine Mtn. and Silver Mtn., south of Rincon - Red Box Road, north of Glendora Comment
  UC1595557  Cryptantha muricata Steve Boyd and Rita Gentry 1991-5-30 6316 Riverside summit of Hogbacks on Gentry Experimental Farm Murrieta, Hogbacks 542 Comment
Read comments
May 18 2009
  UC1929767  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
  UCD119935  Cryptantha muricata Steve Boyd; Lisa Rojas 2004-5-26 11398 San Diego Peninsular Ranges; Cuyamaca-Laguna Mountains region In-Ko-Pah Mountains, western flank of Thing Valley, northeast of transit station Posta, Cleveland National Forest along forest service road. 1463 Comment
  UCR68607  Cryptantha muricata Steve Boyd, A. C. Sanders, M. Skinner 1990-4-28 4457 Riverside Peninsular Range, Vail Lake Area. east of USFS Dripping Springs Campground along Arroyo Seco Creek, south of Hwy 79. 518 Comment
  UCR89496  Cryptantha muricata Steve Boyd, K. A. Boyd 1993-5-15 8136 San Benito Inner Coast Ranges, Clear Creek Canyon, south of New Idria and west of San Benito Peak, along Clear Creek Road, 6.6 mi. north of Hernandez, near BLM off-highway vehicle staging area #6 1000 Comment
  RSA0079419  Cryptantha muricata var. jonesii Steve Boyd 1992-4-15 6883 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  RSA0079421  Cryptantha muricata var. jonesii Steve Boyd 1991-5-20 6276 Riverside Santa Ana Mountains, NW of Lake Elsinore. Lower Rice Cyn, just inside Cleveland Nat. For. boundary. 573 Comment
  RSA0078879  Cryptantha muricata var. jonesii Steve Boyd, Tim Ross 1994-3-29 8240 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
  HSC101609  Cryptantha nevadensis Steve Boyd 2005-4-6 11621 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
  RSA485372  Cryptantha nevadensis Steve Boyd, C. Boyd 1987-4-12 2016 Inyo South end of Greenwater Valley, 0.3 mile NW of jtn w/ Hwy 178, 2 miles W of Shoshone. Comment
  UC1928525  Cryptantha nevadensis Steve Boyd, Michael Denslow 2004-3-23 10609 San Bernardino Mojave Desert; Central Mojave Desert region; Lavic Mountain, southern end of the Cady Mountains northwest of Ludlow (north of Interstate 40) along powerline/pipeline access road. Comment
  RSA612099  Cryptantha nevadensis var. rigida Steve Boyd, Kent Hughes 1998-5-5 10190 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
  UCR99470  Cryptantha nevadensis var. rigida Steve Boyd, A. C. Sanders, R. T. Hawke, S. Hawke, S. Hobbs, P. Hobbs 1997-4-20 9557 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
  UCR148499  Cryptantha pterocarya var. cycloptera Steve Boyd, Michael Denslow 2004-3-23 10601 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
  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
  RSA0079107  Cryptantha pterocarya var. pterocarya Steve Boyd 2010-4-18 12229 Inyo Mojave Desert: Northwest base of Dublin Hills, south of Hwy 178, northwest of Shoshone. 610 Comment
  UCR89401  Cryptantha pterocarya var. pterocarya Steve Boyd, T. S. Ross, W. Appleby 1993-3-19 7846 San Bernardino Eastern Mojave Desert, north base of the Old Woman Mtns, south of Essex; Honeymoon Wash along Willow Springs Rd., 0.5 mi west of Sunflower Springs road ('Cross-fire Camp') 1000 Comment
  UCR148363  Cryptantha racemosa Steve Boyd, Michael Denslow 2004-3-23 10636 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
  SBBG87728  Cryptantha racemosa S. Boyd 1986-2-15 1305 Unknown Torrentes Cyn, E slope of Sierra Juarez, ca. 1 mi S of Cantu Palms Comment
  UCR21518  Cucurbita foetidissima 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
  RSA726864  Cupressus forbesii Steve Boyd 2004-4-15 10899 Los Angeles Rowher Flats area, near off-highway vehicle staging areas at end of Angeles National Forest road 5N14. 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
  UCR146260  Cupressus guadalupensis var. forbesii Steve Boyd, Lee 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 Comment
  UCR37448  Cupressus sempervirens Steve Boyd 1981-2-2 s.n. Riverside Gavilan Hills, upper Arroyo del Toro along old road grade (Lindell Rd.) west of Bull Canyon Road, at old homestead site 610 Comment
  RSA561859  Cuscuta californica var. californica Steve Boyd, Timothy S. Ross 1992-6-9 7611 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
  RSA560390  Cuscuta ceanothi Steve Boyd, Timothy S. Ross 1992-4-29 7154 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
  RSA594931  Cuscuta ceanothi Steve Boyd, Lauren Raz 1996-10-8 8997 Los Angeles Liebre Mountains region, Bouquet Canyon ca. 1.7 miles south of junction with Forest Service Road 6N08. 561 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
  UCR200310  Cuscuta salina var. major Steve Boyd, R. E. Riefner Jr. 2007-1-16 11704 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
  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
  RSA572986  Cyclospermum leptophyllum Steve Boyd 1986-4-18 1691 Riverside U. C. Riverside Campus: West side of statistics computer building. Comment
  UC1952545  Cymopterus panamintensis var. acutifolius S. Boyd, D. Charlton, L. Arnseth, S. Meury, D. Nordin, R. Noyes, T. Ross 1988-4-8 1776 San Bernardino South side of Ord Mtn. North of Lucerne Valley. 10 miles N of the Bear Valley Rd. on Camp Rock Road. Comment
  RSA544301  Cynara cardunculus Steve Boyd 1991-7-13 6406 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
  CAS-BOT-BC190293  Cynodon dactylon Steve Boyd; Tim Ross; Walter Appleby 1993-3-19 7805 San Bernardino South base of the Avawatz Range at the mouth of Sheep Creek Springs Canyon about old mining camp at Sheep Creek Spring. 600 Comment
  RSA600208  Cynodon dactylon Steve Boyd, Lauren Raz 1997-5-28 9894 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
  RSA678503  Cynodon dactylon Steve Boyd 1981-4-8 s.n. Riverside Gavilan Hills Region, Gavilan Plateau along Lake Mathews Road, south of Gavilan Peak. 640 Comment
  SD136987  Cyperus eragrostis Steve Boyd, Tim Ross, Mike Wall 1992-6-2 7491 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Devil Canyon, from confluence with Miller Creek downstream approximately one mile Common in shallow water along stream margins 487 Comment
  RSA522110  Cyperus eragrostis Steve Boyd, Timothy S. Ross 1989-8-28 3803 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 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
  UCR40402  Cyperus involucratus Steve Boyd 1985-7-23 1029 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
  RSA500542  Cyperus involucratus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3568 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 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
  CAS-BOT-BC136506  Cypripedium montanum Louise A. Boyd; Katherine Donahoe 1923-5-1 s.n. Del Norte Field redacted by CAS, contact the data manager for more information Comment
  RSA701762  Cystopteris fragilis Steve Boyd, LeRoy Gross 2004-5-4 11090 San Diego Hills north of Warner Springs, north Indian Flats Campground of Cleveland National Forest along Road 9S05. 899 Comment
  RSA517838  Dalea mollis Steve Boyd, Orlando Mistretta 1986-3-13 1468 Riverside West side Palen Mts.: NE of Desert Center. Comment
  RSA457792  Dalea mollissima Steve Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2196 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA517837  Dalea mollissima Steve Boyd, Orlando Mistretta 1986-3-13 1467 Riverside West side Palen Mts.: NE of Desert Center. Comment
  RSA570293  Dalea mollissima Steve Boyd, T. S. Ross, Walter Appleby 1993-3-19 7826 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
Read comments
Sep 25 2007
  UCR138566  Dalea mollissima Steve Boyd, Orlando Mistretta 1986-3-13 1467 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  SBBG119122  Datisca glomerata S. Boyd with V. Arvizu 2004-6-8 11471 Ventura Tar Crk, E of its confluence with Sespe Cyn near point where stream is crossed by Tar Crk Rd trail; Topatopa Mtns 610 Comment
  SEINET3096506 Image available Datisca glomerata Steve Boyd 1985-7-30 1069 San Diego Lower Cottonwood Canyon, near confluence with De Luz Creek Comment
  RSA518036  Datura discolor Steve D. Boyd, Orlando Mistretta 1986-3-13 1403 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd and 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  UCR51987  Datura stramonium Steve Boyd 1987-10-10 2093 Riverside Riverside, N Main St. just south of Santa Ana River 250 Comment
  RSA522721  Datura wrightii Steve D. Boyd, Tim S. Ross 1989-8-28 3812 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  UCR21177  Datura wrightii 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
  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
  RSA600200  Daucus pusillus Steve Boyd, Lauren Raz 1997-5-29 9914 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
  UCR59694  Daucus pusillus Steve Boyd, T. Ross, et al 1989-5-7 3538 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, hills just to SW of the dam 489 Comment
  SBBG96677  Deinandra clementina S. Boyd with T. Ross, L. Arnseth 1990-4-7 4272 Los Angeles lower half of China Cyn, W side; sand dunes at cyn mouth 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
  RSA730893  Deinandra mohavensis Steve Boyd, Valentin Arvizu 2008-5-2 11988 Kern Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley. 1372 Comment
  RSA737416  Deinandra mohavensis Steve Boyd, Valentin Arvizu 2008-8-20 12015 Kern Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley. 1349 Comment
  SD122988 Image available Deinandra paniculata Steve Boyd 1985-8-7 1093 San Diego Santa Rosa Plateau region, Forest Service Road 8S02, 1.5 miles west of jtn of 8S02, 8S01, and Tenaja Rds. Grassy openings in chaparral Comment
  RSA727836  Delphinium cardinale Steve Boyd, Tammy Morgan 2004-5-11 11195 Ventura Topa Topa Mountains, east of Sespe Canyon near upper end of Tar Creek Road (and trail). 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
  UCR200792  Delphinium hansenii subsp. kernense Steve Boyd, Valentin Arvizu 2008-5-1 11968 Kern Southern Sierra Nevada Range, Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley 1463 Comment
  RSA485377  Delphinium parishii Steve Boyd, Carol Boyd 1987-4-12 2011 Inyo South end of Greenwater Valley, 0.3 mile NW of jtn w/ Hwy 178, 2 miles W of Shoshone. Comment
  RSA571281  Delphinium parishii subsp. parishii Steve Boyd, D. L. Banks, Orlando Mistretta 1994-4-29 8322 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
  UCR205029  Delphinium parishii subsp. parishii Steve Boyd, Michael Denslow, Amber Maurice, Sarah Swartzentruber, Aydee Virgen 2003-6-27 10558 Tulare Southern Sierra Nevada Range, Chimney Peak Recreation Area, summit of northern high point on Bear Mountain (Bear Peak) 2509 Comment
  UCR21932  Delphinium parryi Steve Boyd 1980-5-2 157 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  RSA387359  Delphinium parryi Steve Boyd 1986-4-19 1712 Riverside Temescal Canyon Temescal Canyon: flats at SE end of Alberhill Mtn. 396 Comment
  OBI32515  Delphinium parryi subsp. parryi Steve Boyd 1978-4-29 780429 -01 Riverside Along hwy 74, 1.5 mi N of lake Elsinore Comment
  RSA0030016  Delphinium patens subsp. montanum Steve Boyd, W. Appleby 1993-4-22 7984 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
  RSA0029728  Delphinium variegatum subsp. thornei Steve Boyd 1990-4-8 4349 Los Angeles San Clemente Island: east side of the island, near Malo Point, 1st canyon south of Bryce Canyon. Comment
  CAS-BOT-BC83002  Dendromecon rigida Steve Boyd 2007-2-17 11711 San Luis Obispo Coast Ranges, La Panza Range. Los Padres National Forest along Pozo Road at Pozo Summit, at divide between Pozo Creek 803 Comment
  HSC85258  Dendromecon rigida Steve Boyd 1986-4-22 1748 Riverside Stable alluvial benches of Indian Wash just S of Interstate Hwy 15 Comment
  OBI70926  Dendromecon rigida Steve Boyd, Lauren Raz 1997-3-26 9326 Los Angeles Liebre Mts region: Portal ridge N of Lake Hughes, upper end of Myrick Cyn drainage along Lakeview rd 1134 Comment
  RSA571303  Deschampsia danthonioides Steve Boyd 1994-4-6 8294 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of Cleveland National Forest, flats south of the summit of Miller Mountain, head of Miller Creek watershed. 793 Comment
  RSA520768  Descurainia pinnata Steve Boyd, C. Boyd 1987-4-12 1971 Inyo North end of Greenwater Valley, 3.2 miles S of Dante's View Road, just outside Death Valley National Monument area Comment
  SBBG118902  Descurainia pinnata S. Boyd with A. Maurice 2004-5-18 11312 Los Angeles Atmore Meadows area Comment
  UC1563122  Descurainia pinnata Steve Boyd, Tim Ross, Laurel Arnseth 1989-4-2 3242 Riverside se of lake near Temecula Creek (Butterfield Valley); Vail Lake Area, Butterfield Valley 487 Comment
  UCD114659  Descurainia pinnata Steve Boyd; Dave Bramlet 1986-6-9 1859 Tulare Southern Sierra Nevada Mountains, Chimney Creek Canyon, side canyon South Peak 7155 south of Chimney Creek Meadow. Comment
  CAS-BOT-BC43162  Descurainia pinnata subsp. brachycarpa Steve Boyd; A. C. Sanders; R. T. Hawke; Shaun Hawke; Susan Hobbs; Paul Hobbs 1997-4-20 9568 Kern San Emigdio Ridge. Pleito Hills region. San Emigdio Ranch, ridge on west side of Pleito Canyon. 1219 Comment
  RSA599715  Descurainia pinnata subsp. glabra Steve Boyd, Lauren Raz, Timothy S. Ross 1997-4-1 9464 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
  RSA560392  Dicentra chrysantha Steve Boyd 1992-4-29 7152 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
  RSA599756  Dicentra chrysantha Steve Boyd, Lauren Raz 1997-5-6 9775 Los Angeles Liebre Mountains region: Fish Canyon just upstream from the confluence with Castaic Creek. 500 Comment
  RSA727112  Dichelostemma capitatum Steve Boyd, LeRoy Gross 2004-5-4 11098 San Diego Hills north of Warner Springs, north Indian Flats Campground of Cleveland National Forest along Road 9S05. 899 Comment
  RSA559945  Dichelostemma capitatum subsp. capitatum Steve Boyd 1992-4-18 6906 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
  RSA702246  Dichelostemma capitatum subsp. capitatum Steve Boyd, LeRoy Gross 2004-5-4 11044 San Diego Hills north of Warner Springs, Indian Flats Campground of Cleveland National Forest along Road 9S05. Comment
  RSA702413  Dichelostemma capitatum subsp. capitatum Steve Boyd, Aydee Virgen 2004-4-13 10858 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UCR198365  Dichelostemma capitatum subsp. capitatum Steve Boyd, Valentin Arvizu 2008-5-1 11944 Kern Southern Sierra Nevada Range, Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley 1463 Comment
  RSA527775  Dichelostemma capitatum subsp. capitatum Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-8 4340 Los Angeles San Clemente Island. E side of island, near Malo Point, second Cyn S of Bryce Cyn. Comment
  SEINET3885750  Dichelostemma pulchellum Steve Boyd, L. Raz; Timothy S. Ross 1997-4-1 9473 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.; 0 610 Comment
  UC1929700  Dichelostemma pulchellum Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10489 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
  UC1929771  Dichelostemma pulchellum Steve Boyd, Michael Denslow, Amber Maurice, Sarah Swartzentruber, Aydee Virgen 2003-6-27 10544 Tulare Sierra Nevada; Southern Sierra Nevada region; Chimney Peak Recreation Area, summit of northern high point on Bear Mountain (Bear Peak). 2509 Comment
  UCR160053  Dichelostemma pulchellum Steve Boyd, Tammy Morgan 2004-5-11 11200 Ventura Transverse Ranges; Mount Pinos region, Topa Topa Mtns, east of Sespe Canyon near upper end of Tar Creek Road and trail Comment
  SEINET10533946  Dichelostemma pulchellum Steve Boyd, Timothy S. Ross 1992-5-4 Boyd 7183 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak flats area east of Verdugo Potrero, T7S R6W sec 13. 2400 feet. Rolling terrain with mosiac of Adenostoma fasciculatum-Ceanothus crassifolius chaparral, Quercus agrifolia woodland and disturbed grassland with Stipa pulchra, Bromus mollis, B. diandrus, B. rubens and Avena barbata. Common on heavy soil, native grassland and adjacent openings in chaparral and oak woodland, NE 1/4 SE 1/4 sec 13. Comment
  RSA501036  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3157 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  SD152749  Digitalis purpurea Steve Boyd, Tim 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 homestea. 351 Comment
  SD136750  Diplacus aurantiacus Steve Boyd, Tim Ross 1992-5-5 7213 Riverside San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero 730 Comment
  CAS-BOT-BC152906  Diplacus brevipes Steve Boyd 1986-4-22 1737 Riverside Temescal Canyon: Walker Canyon area where Alberhill Creek (=Temescal Ck.) flows between Alberhill Mtn. and Gavilan Hills; on N slope Alberhill Mtn. Comment
  SD152746  Diplacus brevipes Steve Boyd, T. Ross, D. Bramlet 1993-5-12 7334 Riverside San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream fro confluence with Los Alamos Canyon downstream to confluence with Tenaja Canyon 366 Comment
  CAS-BOT-BC153090  Diplacus fremontii Steve Boyd 1986-4-19 1698 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road Comment
  RSA0015884  Diplacus longiflorus Steve D. Boyd 1981-3-2 s.n. Riverside Gavilan Hills region, central Dawson Canyon, just upstream from the confluence of 'Blue Oak Canyon'. 366 Comment
  SD217382  Diplacus parviflorus Steve Boyd, Tim Ross and Laurel Arnseth 1990-4-8 4312 Los Angeles San Clemente Island. East side of island, near Malo Point, first canyon south of Bryce Canyon. Comment
  SD136747  Diplacus puniceus Steve Boyd, T. Ross, O. Mistretta 1992-3-31 6743 Riverside San Mateo Cyn Wilderness Area. Morgan Trail from Round Potrero W to jtn with Tenaja Tr. In N-fork Bear Creek. 730 Comment
  SD136963  Distichlis spicata Steve Boyd, Tim Ross 1992-5-5 7252 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. Local and uncommon along small, flowing stream south of Serrano Spring 730 Comment
  UC2026381  Ditaxis lanceolata Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10054 B Riverside COLORADO DESERT, CHUCKWALLA MOUNTAINS: Northwest base of the range, south of Eagle Mine Road exit on Interstate 10. Comment
  HSC85926  Ditaxis neomexicana Steve Boyd 1986-2-6 1258 Imperial Cargo Muchacho Mtns., Bajada E of the mountains, Powerline Rd. 5 mi. W of Picacho Rd. Comment
  RSA776723  Ditaxis neomexicana Steve Boyd 2007-10-29 11796 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-BC43604  Dithyrea californica Steve Boyd 1986-2-6 1265 Imperial Cargo Muchacho Mountains. East of Mountains, Powerline Road, 1.0 mile west of Picacho Road. Comment
  HSC85383  Dithyrea californica Steve Boyd 1986-2-6 1265 Imperial Cargo Muchacho Mtns., plains E of mountains, Powerline Rd., 1 mi. W of Picacho Rd. Comment
  RSA395359  Dodecahema leptoceras Steve Boyd 1986-4-22 1738 Riverside Temescal Canyon: Stable alluvial benches of Indian wash just south of I-15. Comment
  SD127571  Dodecahema leptoceras Steve Boyd 1986-4-19 1692 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road. Comment
  SD136778  Dodecatheon clevelandii subsp. clevelandii Steve Boyd, Orlando Mistretta 1992-4-22 7020 Riverside San Mateo Wilderness Area. Indian Potrero south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon 701 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
  UC1606622  Drymocallis glandulosa Steve Boyd and Tim Ross 1992-5-5 7249 Riverside grassland area s Oak Flats (sw of Bluewater Trail, San Mateo Canyon Wilderness Area); Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 731 Comment
  RSA0012068  Elatine brachysperma Steve Boyd, Michael Wall 2006-7-7 11667 San Diego Southeastern boundary of the San Mateo Canyon Wilderness Area (Cleveland National Forest), near Sky Ranch along Forest Road 8S01, near old landing strip. Comment
  SEINET3910851  Eleocharis macrostachya Steve Boyd, Tim Ross; Mike Wall 1992-6-4 7530 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Devil Canyon at the confluence with 'Miller Creek.'.; 0 536 Comment
  RSA522718  Eleocharis montevidensis Steve Boyd, Timothy S. Ross 1989-8-28 3809 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  RSA575974  Eleocharis montevidensis Steve Boyd 1981-1-25 s.n. Riverside Gavilan Hills region, south flank of the range in Arroyo del Toro along Bull Canyon Road. Comment
  UCR59673  Eleocharis montevidensis Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3548 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, pond and freshwater marsh in Kolb Creek, just south of the lake Comment
  RSA593578  Eleocharis parishii Steve Boyd, Valerie Soza, Victoria Jotikasthira, Lauren Raz 1996-7-11 8912 Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to powerplant, just north of upper end of Castaic Lake. 470 Comment
  UCR84379  Eleocharis radicans Steve Boyd, T. S. Ross 1994-9-14 8354 Orange Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, Lucas Canyon just downstream of Lucas Canyon trail crossing. 305 Comment
  RSA575840  Elymus glaucus subsp. glaucus Steve Boyd 1982-10-28 s.n. Riverside Gavilan Hills region, ''Blue Oak Canyon'', tributary of Dawson Canyon drainage northern flank of Estelle Mountain. 427 Comment
  RSA727841  Elymus glaucus subsp. glaucus Steve Boyd, Tammy Morgan 2004-5-11 11209 Ventura Mount Pinos region: Topa Topa Mountains, east of Sespe Canyon near upper end of Tar Creek Road (and trail). Comment
  UCR137607  Elymus glaucus subsp. virescens Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2262 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  CHSC101910  Emmenanthe penduliflora Steve Boyd; Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10461 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
  RSA500540  Emmenanthe penduliflora Steve Boyd, Tim Ross, L. Arnseth 1989-6-4 3612 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  RSA525223  Emmenanthe penduliflora Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4601 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. 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
  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
  RSA727219  Emmenanthe penduliflora var. penduliflora Steve Boyd, Tammy Morgan 2004-5-11 11176 Ventura Topa Topa Mountains, east of Sespe Canyon near upper end of Tar Creek Road (and trail). 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
  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
  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
  UC1930006  Encelia farinosa Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10494 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
  RSA457784  Encelia farinosa var. farinosa Steve Boyd, Sara Meury, L. Arnseth, Richard Noyes, D. Nordin, Timothy S. Ross 1988-3-10 2214 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  SBBG118891  Encelia virginensis S. Boyd with S. Vanderplank, V. Arvizu 2004-10-13 11593 San Bernardino Ivanpah Valley, upper bajada at NE base of the Ivanpah Mtns, S of Interstate 15 Comment
  CAS-BOT-BC183665  Ephedra californica Steve Boyd; Tammy Morgan; Aydee Virgen; Sarah DeGroot; Valentin Arvizu; Tim Thibault 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
  RSA570355  Ephedra funerea Steve Boyd, T. S. Ross, Walter Appleby 1993-3-18 7775 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
  CAS-BOT-BC81846  Ephedra nevadensis S. Boyd; D. Charlton; L. Arnseth; S. Meury; D. Nordin; R. Noyes; T. Ross 1988-4-8 1604 San Bernardino South side of Ord Mtn. North of Lucerne Valley. 10 miles N of the Bear Valley Rd. on Camp Rock Road, Mojave Desert 1371 Comment
  SD125852  Ephedra nevadensis Steve Boyd, Et al. 1988-4-8 1604 San Bernardino south side of Ord Mountain north of Lucerne Valley, 10 miles north of the Bear Valley Road on Camp Rock Road 1370 Comment
  UCR149880  Ephedra nevadensis Steve Boyd, Tammy Morgan 2004-3-30 10700 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
  UCR264733  Ephedra nevadensis var. nevadensis Steve Boyd, Gary D. Wallace 2011-4-14 12314 B 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
  RSA515493  Ephedra viridis Steve Boyd, Dave Bramlet 1986-6-9 1899 Tulare Chimney Creek Canyon, side canyon south of peak 7155, S of Chimney Meadow. 1738 Comment
  RSA702301  Ephedra viridis Steve Boyd, Tammy Morgan 2004-6-1 11429 San Bernardino Clark Mountains, western flank of the range in large canyon south of Pachalka Spring. 1433 Comment
  RSA594409  Epilobium brachycarpum Steve Boyd, Lauren Raz 1996-10-14 9086 Los Angeles Liebre Mountains region, southwest end of Quail Lake, in seasonally flooded depression on south side of Highway 138. 1021 Comment
  RSA526645  Epilobium canum subsp. canum Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4218 Los Angeles San Clemente Island: lower half of China Cyn, S end of island, W side. Comment
  SD122931  Epilobium canum subsp. canum Steve Boyd 1985-8-7 1109 Riverside Santa Rosa Plateau region, northwest base of Redonda Mesa on Tenaja Road, 0.8 mile east of junction with 8S01 and 8S02 Comment
  RSA701707  Epilobium ciliatum Steve Boyd, Valentin Arvizu 2004-6-8 11527 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
  RSA557778  Epilobium ciliatum subsp. ciliatum Steve Boyd, T. S. Ross 1992-4-29 7114 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
  RSA600199  Epilobium foliosum Steve Boyd, Lauren Raz 1997-5-29 9913 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
  UCR22003  Epilobium paniculatum Steve Boyd 1980-9-8 343 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  RSA561120  Epipactis gigantea Steve Boyd, Timothy S. Ross, David E. Bramlet 1993-5-12 7315 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
  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
  UCR15896  Epipactis gigantea Steve Boyd 1978-4-26 780426- 08 Orange Peninsular Range; Santa Ana Mtns., Hwy 74, 1.3 mi west of the Riverside/Orange Co. line Comment
  RSA525703  Equisetum laevigatum Steve Boyd, Timothy S. Ross 1990-5-11 4641 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
  RSA701049  Equisetum laevigatum Steve Boyd, Amber Maurice 2004-5-18 11332 Los Angeles Elizabeth Lake Canyon at and just upstream from confluence with Ruby Canyon, between Warm Springs Mountain and Red Mountain. 610 Comment
  UCR68855  Equisetum laevigatum Steve Boyd, T. S. Ross 1990-5-11 4641 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
  UCR95725  Equisetum laevigatum Steve Boyd, V. Soza, V. Jotikasthira, L. Raz 1996-7-11 8921 Los Angeles Liebre Mountains, Castaic Creek, upstream from Fish Canyon 549 Comment
  RSA701914  Eremalche exilis Steve Boyd, Michael Denslow 2004-3-23 10658 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
  UCR151968  Eremalche exilis Steve Boyd, Tammy Morgan 2004-3-30 10759 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
  UCR218055  Eremalche rotundifolia Steve Boyd 2010-4-19 12263 Inyo Mojave Desert; North Mojave Desert region, northwest base of Dublin Hills, south of Hwy 178, northwest of Shoshone 671 Comment
  RSA544283  Eremocarpus setiger Steve Boyd, T. S. Ross 1991-6-14 6364 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
  RSA593561  Eremocarpus setiger Steve Boyd, Valerie Soza, Victoria Jotikasthira, Lauren Raz 1996-7-11 8917 Los Angeles Liebre Mountains, Fish Canyon just upstream from the confluence with Castaic Creek. 500 Comment
  HSC95470  Eremogone macradenia var. arcuifolia Steve Boyd, L. Moore, M. Wall 1997-7-24 10024 Los Angeles Sumit of Liebre Mountain, saddle at head of N Fork Fish Canyon, N of Atmore Meadows and S of Oak Flat, along FS Rd. 7N23, 4.2 mi W of jct with 7N08. 1720 Comment
  RSA0041939  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
  RSA0041940  Eremogone macradenia var. arcuifolia Steve Boyd, Laura Moore, Michael Wall 1997-7-24 10018 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
  UCR225669  Eriastrum densifolium subsp. austromontanum Steve Boyd, Valentin Arvizu 2008-8-21 12021 Kern Sierra Nevada; Southern Sierra Nevada region, Piute Mountains, along Piute Mountain Road west of junction with Kelso Valley Road (Sageland historical marker), north of St. John Ridge 1570 Comment
  UCR99468  Eriastrum densifolium subsp. austromontanum Steve Boyd, A. C. Sanders, R. T. Hawke, S. Hawke, S. Hobbs, P. Hobbs 1997-4-2 9556 Kern San Emigdio, Pleito Hills region, San Emigdio Ranch, ridge on the west side of Pleito Canyon, approximately 4.5 air miles due north of Antimony Peak 1220 Comment
  RSA0043241  Eriastrum eremicum subsp. eremicum Steve Boyd, LeRoy Gross 2008-4-11 11845 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
  UCR230705  Eriastrum eremicum subsp. eremicum Steve Boyd, Valentin Arvizu 2008-8-19 12009 Kern Sierra Nevada; Southern Sierra Nevada region, Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley. 1390 Comment
  RSA0122012  Eriastrum sapphirinum subsp. dasyanthum Steve Boyd, T. S. Ross 1990-5-11 4622 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  RSA611654  Ericameria Steve Boyd, Lauren Raz, Mike Kinney 1998-3-17 10084 Los Angeles Liebre Mountains region: Anaverde Valley at north base of Sierra Pelona. 976 Comment
  RSA601845  Ericameria cooperi Steve Boyd, Timothy S. Ross, Laura Moore, Valerie L. Soza 1997-7-8 10007 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
  RSA599337  Ericameria cooperi subsp. cooperi Steve Boyd, Lauren Raz 1997-3-26 9365 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
  UC1719688  Ericameria cooperi var. cooperi Steve Boyd, Sula Vanderplank, Valentin Arvizu 2004-10-13 11588 San Bernardino Mojave Desert; East Mojave Desert Region: Northern end of the Mescal Mountains, S of the Clark Mountains and Interstate 15, E of Mountain Pass Comment
  UCR58879  Ericameria linearifolia Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3227 Riverside Peninsular Range, Vail Lake area, sandstone ridge between Kolb Creek and Temecula Creek, forming peninsula at SW end of Lake. Comment
  UC1928618  Ericameria paniculata Steve Boyd 2007-10-29 11802 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
  UCR160054  Erigeron breweri Steve Boyd, Valerie Soza 2004-6-22 11538 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
  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
  SD152943  Erigeron foliosus var. foliosus Steve Boyd, Tim Ross 1992-5-6 7303 San Diego Southern Santa Ana Mountains, southern flank of Miller Mountains about upper portions of Miller Canyon. 700 Comment
  UCR39560  Erigeron foliosus var. foliosus Steve Boyd 1983-7-25 s.n. San Bernardino San Bernardino Mtns, Near Onyx Summit at Cienaga Seca, west of Hwy 38 2500 Comment
  RSA735800  Eriodictyon tomentosum Steve Boyd 2007-2-17 11712 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
  UC1929582  Eriodictyon tomentosum Steve Boyd 2007-2-17 11712 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
  UCR200318  Eriodictyon tomentosum Steve Boyd 2007-2-17 11712 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
  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
  UCR151382  Eriodictyon trichocalyx var. lanatum Steve Boyd, Lisa Rojas 2004-5-26 11364 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
  UCR108219  Eriogonum angulosum Steve Boyd, Kent Hughes 1998-5-5 10186 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
  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
  UCR102412  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 1744 Comment
  UCR99516  Eriogonum baileyi var. baileyi Steve Boyd, Lauren Raz 1996-10-29 9112 Los Angeles San Gabriel Mtns., Atmore Meadows area at the SE end of Liebre Mtn. in a tributary drainage to the North Fork Fish Canyon 1317 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
  UCR151176  Eriogonum deflexum Steve Boyd, Et al. 2004-10-13 115941 San Bernardino Eastern Mojave Desert, Ivanpah Valley: upper bajada at NE base of the Ivanpah Mtns, south of Interstate 15 Comment
  RSA522717  Eriogonum elongatum Steve Boyd, Tim S. Ross 1989-8-28 3808 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  RSA561413  Eriogonum elongatum Steve Boyd, Tim S. Ross, Dave Bramlet 1992-9-9 7680 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
  RSA603675  Eriogonum elongatum var. elongatum Steve Boyd 1997-9-17 10041 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. 915 Comment
  SEINET6043405  Eriogonum fasciculatum Steve Boyd 1996-6-12 8852 Ventura Topa Topa Mtns Comment
  SD152783  Eriogonum fasciculatum var. foliolosum Steve Boyd, Tim Ross, Mike Wall 1992-6-4 7546 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Devil Canyon at the confluence with Miller Creek Common on open benches, xeric slopes 536 Comment
  RSA543197  Eriogonum fasciculatum var. polifolium Steve Boyd, Tim S. Ross, Mike Hammitt 1991-5-2 6097 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
  RSA561115  Eriogonum fasciculatum var. polifolium Steve Boyd, Tim S. Ross, Dave Bramlet 1993-5-12 7320 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
  RSA562087  Eriogonum fasciculatum var. polifolium Steve Boyd, Tim S. Ross 1992-5-6 7285 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
  UCR151352  Eriogonum fasciculatum var. polifolium Steve Boyd, Lisa Rojas 2004-5-26 11361 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
  RSA526641  Eriogonum giganteum var. formosum Steve Boyd, Tim S. Ross, L. Arnseth 1990-4-7 4223 Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
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Nov 20 2012
  UCR147701  Eriogonum gracile var. gracile Steve Boyd, Et al. 2001-8-24 10428 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
  SD193055  Eriogonum gracile var. incultum Steve Boyd, Lisa Rojas 2004-5-26 11396 San Diego Peninsular Ranges; Cuyamaca-Laguna Mountains region; In-Ko-Pah Mountains, western flank of Thing Valley, northeast of transit station Posta, Cleveland National Forest along forest service road. 1463 Comment
  UCR59525  Eriogonum gracile var. incultum Steve Boyd, L. Arnseth, T. S. Ross 1989-6-4 3606 Riverside Butterfield Valley, Vail Lake area, Kolb Creek drainage, N extension of Woodchuck Road, north of Hwy 79 489 Comment
  UCR225686  Eriogonum heermannii var. floccosum Steve Boyd, Sula Vanderplank & Valentin Arvizu 2004-10-13 11568 San Bernardino Eastern Mojave Desert, [SE] end of the Mescal Mtns, south of Clark Mountain and Interstate 15, [SE] of Mountain Pass 1600 Comment
  RSA701167  Eriogonum inflatum Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11230 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
  RSA701286  Eriogonum inflatum Steve Boyd, Sula Vanderplank, Valentin Arvizu 2004-10-13 11611 San Bernardino Ivanpah Valley: upper bajada at NE base of the Ivanpah Mtns, south of Interstate 15. Comment
  RSA702338  Eriogonum inflatum Steve Boyd, Michael Denslow 2004-3-23 10615 San Bernardino Lavic Mountain, southern end of the Cady Mountains northwest of Ludlow (north of Interstate 40) along powerline/pipeline access road. Comment
  SD136780  Eriogonum inflatum Steve Boyd 1993-3-19 7796 San Bernardino Southern base of the Avawatz Range at the mouth of Sheep Creek Springs Cyn about old mining camp at Sheep Spring. 600 Comment
  RSA480020  Eriogonum inflatum var. inflatum Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2145 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA485361  Eriogonum maculatum Steve Boyd, Carol Boyd 1987-4-12 2027 Inyo South end of Greenwater Valley, 0.3 mile NW of jtn w/ Hwy 178, 2 miles W of Shoshone. Comment
  SD215618  Eriogonum microthecum var. corymbosoides Steve Boyd, Pesach Lubinsky 1998-8-10 10274 San Bernardino Ridgeline east of Sugarlump (aka Bear Mountain), head of Deer Canyon. 2646 Comment
  UC1584084  Eriogonum microthecum var. simpsonii Steve Boyd 1990-10-4 5248 San Bernardino upper part Carruther's Cyn Eastern Mojave Desert, New York Mountains, Carruther's Cyn Comment
  UC1929451  Eriogonum nudum Steve Boyd, Michael Denslow, Amber Maurice, Sarah Swartzentruber, Aydee Virgen 2003-6-27 10527 Tulare Sierra Nevada; Southern Sierra Nevada region; Chimney Peak Recreation Area, summit of northern high point on Bear Mountain (Bear Peak). 2509 Comment
  RSA730880  Eriogonum nudum var. westonii Steve Boyd, Valentin Arvizu 2008-5-1 11981 Kern Piute Mountains, along Piute Mountain Road west of junction with Kelso Valley Road (Sageland historical marker), north of St. John Ridge. 1555 Comment
  CAS-BOT-BC266808  Eriogonum nudum var. westonii Steve Boyd; Dave Bramlet 1986-6-9 1910 Tulare Chimney Creek Canyon, S. flank peak 7155, S. of Chimney Meadow, Southern Sierra Nevada 1981 Comment
  RSA596433  Eriogonum ordii Steve Boyd, Mark A. Elvin, Victoria Jotikasthira 1996-6-25 8873 Los Angeles Liebre Mountains, West Fork Liebre Gulch in narrow side canyon to the east. 1012 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
  UCR200803  Eriogonum pusillum Steve Boyd, Valentin Arvizu 2008-5-1 11983 Kern Southern Sierra Nevada Range, Piute Mountains, along Piute Mountain Road west of junction with Kelso Valley Road (Sageland historical marker), north of St. John Ridge 1250 Comment
  UCR264734  Eriogonum pusillum Steve Boyd, Gary D. Wallace 2011-4-14 12316 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
  RSA731210  Eriogonum reniforme Steve Boyd, LeRoy Gross 2008-4-11 11843 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
  UCR199838  Eriogonum reniforme Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11294 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
  RSA517830  Eriogonum thomasii Steve Boyd, Orlando Mistretta 1986-3-13 1450 Riverside West side Palen Mts.: NE of Desert Center. Comment
  UCR200299  Eriogonum thomasii Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11213 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
  UCR68865  Eriogonum thurberi Steve Boyd, T. S. Ross 1990-5-11 4703 A Riverside Vail Lake area, Cleveland National Forest, N flank and summit of Wild Horse Peak, Agua Tibia Mtns 999 Comment
  CAS-BOT-BC268204  Eriogonum umbellatum var. munzii Steve Boyd; Timothy S. Ross; Laura Moore; Valerie Soza 1997-7-8 10014 Los Angeles Liebre Mountains Region: Upper northern flank of Liebre Mountain at head of Tentrock Canyon along dirt track northeast of Forest Service wildlife drinker site 1584 Comment
  HSC94030  Eriogonum umbellatum var. munzii Steve Boyd, L. Moore, M. Wall 1997-7-24 10020 Los Angeles Liebre Mtns. Region, summit of Liebre Mtn., saddle between Richardson and Bear canyon along USFS Rd. 7N23, 0.05 mi. E of jct. with rd. to Bear gulch Camp 1646 Comment
  RSA334999  Eriogonum wrightii var. membranaceum Steve Boyd 1985-10-5 1190 Riverside Harford Springs Co. Park, north edge of the Gavilan Plateau of the Gavilan Creek drainage system on the Plateau. 610 Comment
  RSA701339  Eriogonum wrightii var. membranaceum Steve Boyd, Naomi Fraga 2004-4-27 10915 San Diego Warner Springs area, flats east of gliderport, near the Pacific Crest Trail, south of Highway 79. Comment
  UCR148394  Eriogonum wrightii var. membranaceum Steve Boyd, LeRoy Gross 2004-5-4 11156 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
  UCR138559  Eriogonum wrightii var. subscaposum Steve Boyd, D. E. Bramlet 1988-10-8 2866 Riverside San Jacinto Mtns. area, Cahuilla Mountain, SW of Anza at head of Bautista Canyon, along the crest of the mountain 1707 Comment
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Sep 3 2020
  SD232180  Eriophyllum ambiguum var. paleaceum Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10480 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
  RSA515488  Eriophyllum confertiflorum Steve Boyd, David E. Bramlet 1986-6-9 1882 Tulare Chimney Creek Canyon, side canyon south of peak 7155, S of Chimney Meadow. 1738 Comment
  RSA527603  Eriophyllum confertiflorum Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-8 4428 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  UCR148517  Eriophyllum confertiflorum Steve Boyd, V. Arvizu 2004-6-8 11479 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
  SBBG96630  Eriophyllum confertiflorum var. confertiflorum S. Boyd with T. Ross, L. Arnseth 1990-4-6 4159 Los Angeles Lemon Tank Cyn (used as dumping area) 274 Comment
  UC1719680  Eriophyllum confertiflorum var. confertiflorum Steve Boyd, Naomi Fraga 2004-4-27 10986 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
  HSC85255  Eriophyllum multicaule Steve Boyd 1986-4-22 1741 Riverside Stable alluvial benches of Indian Wash just S of Interstate Hwy 15 Comment
  RSA527604  Eriophyllum nevinii Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-8 4431 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. 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
  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
  RSA598116  Erodium cicutarium Steve Boyd, Lauren Raz 1997-3-4 9141 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
  RSA600361  Erodium cicutarium Steve Boyd, Lauren Raz 1997-5-28 9876 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
  RSA701485  Erodium cicutarium Steve Boyd, Tammy Morgan 2004-3-30 10728 San Bernardino Southern end of the Cady Mountains northwest of Ludlow (north of Interstate 40) lower slopes and wash at base of hill topped with communication towers, along powerline road. 854 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
  RSA570264  Erodium cicutarium Steve Boyd 1993-3-19 7806 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
  RSA525437  Erodium macrophyllum Steve Boyd, Dave Bramlet 1990-4-29 4482 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  RSA543135  Erodium macrophyllum Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6124 Riverside Vail Lake region, summit of Oak Mountain, N of lake near Henderson benchmark. 823 Comment
  RSA702395  Erodium texanum Steve Boyd, Michael Denslow 2004-3-23 10668 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
  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
  UCR151971  Erodium texanum Steve Boyd, Tammy Morgan 2004-3-30 10754 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
  UCR51983  Erodium texanum Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2183 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA702268  Erysimum capitatum Steve Boyd, LeRoy Gross 2004-5-4 11140 San Diego Hills north of Warner Springs, north Indian Flats Campground of Cleveland National Forest along Road 9S05. 899 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
  RSA736013  Eschscholzia caespitosa Steve Boyd, Valentin Arvizu 2004-6-8 11461 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
  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
  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
  RSA560496  Eschscholzia californica var. douglasii Steve Boyd, Tim S. Ross, M. Wall 1992-6-2 7496 San Diego Southern Santa Ana Mts., San Mateo Canyon Wilderness Area. Devil Canyon from confluence with ''Miller Creek'' downstream approximately one mile. 487 Comment
  RSA599283  Eschscholzia californica var. peninsularis Steve Boyd, Lauren Raz 1997-3-31 9419 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
  CAS-BOT-BC83136  Eschscholzia minutiflora Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2116 Riverside North end of Palen Mountains, 2 miles west of Palen Pass. 300 Comment
  SBBG87720  Eschscholzia minutiflora S. Boyd 1986-2-6 1246 Imperial large cyn at SE end of Cargo Muchacho Mts, 5.4 mi NE of I-8 off Sidewinder Rd and Powerline Rd 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
  UC1929593  Eucalyptus globulus Steve Boyd, Rick Riefner 2007-1-16 11710 San Diego Coastal Plains & Basins; South Coastal Plain region; Solana Beach, southern shore of San Elijo Lagoon between Highway 5 and Pacific Coast Highway. 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
  SD241044  Eucrypta chrysanthemifolia Steve Boyd 2010-4-18 12246 Inyo Mojave Desert: North Mojave Desert region: Northwest base of Dublin Hills, south of Hwy 178, northwest of Shoshone. 641 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
  RSA480086  Eucrypta micrantha Steve Boyd, S. Meury, L. Arnseth, Richard Noyes, D. Nordin, Tim S. Ross 1988-3-10 2175 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  UCR21977  Euphorbia albomarginata Steve Boyd 1980-5-5 206 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  RSA776740  Euphorbia micromera Steve Boyd, Sula Vanderplank, Valentin Arvizu 2004-10-13 11603 San Bernardino Ivanpah Valley: upper bajada at NE base of the Ivanpah Mtns, south of Interstate 15. Comment
  SBBG55058  Euphorbia misera S. Boyd 1980-3-24 BC 045 Unknown 10 mi S of El Rosario off Mex 1 Comment
  RSA570334  Euphorbia ocellata subsp. ocellata Steve Boyd, T. S. Ross, Walter Appleby 1993-3-19 7830 San Bernardino Southern base of the Avawatz Range on lower third of alluvial fan below Sheep Creek Springs Canyon 200 Comment
  HSC84953  Euphorbia palmeri Steve Boyd 1983-7-25 San Bernardino San Bernardino Mtns., near Onyx Summit at Cienaga Seca, W of Hwy. 38 2500 Comment
  HSC85736  Euphorbia palmeri Steve Boyd 1983-7-25 San Bernardino San Bernardino Mtns., near Onyx Summit at Cienaga Seca, W of Hwy. 38 2500 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
  UCR21194  Euphorbia polycarpa 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
  RSA593774  Euphorbia spathulata Steve Boyd, Orlando Mistretta, John Dolan 1996-4-18 8557 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
  HSC101615  Euphorbia vallis-mortae Steve Boyd, V. Arvizu 2008-8-21 12019 Kern Sierra Nevada; Southern Sierra Nevada region; Piute Mountains, western edge of Kelso Valley below lower Esperanza Canyon at eastern base of Sorrell Peak 1311 Comment
  UCR52013  Fagonia laevis Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, et al. 1988-3-10 2203 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA702229  Fallugia paradoxa var. acuminata Steve D. Boyd, Tammy Morgan 2004-6-1 11419 San Bernardino Clark Mountains, western flank of the range in large canyon south of Pachalka Spring. 1433 Comment
  UCR92643  Festuca arundinacea Steve Boyd 1985-7-23 1016 B Riverside Peninsular Range, De Luz Road, 8 mi west of Rancho California. Side canyon of Sandia Creek 305 Comment
  HSC66779  Festuca idahoensis D. Boyd, Tim Messick, T. A. Ranker, M. Eichelberger 1980-5-24 78 Del Norte 638 Comment
  UCR39589  Festuca kingii Steve Boyd 1983-7-25 s.n. San Bernardino San Bernardino Mtns, Near Onyx Summit at Cienaga Seca, west of Hwy 38 2500 Comment
  UCR22057  Festuca microstachys Steve Boyd 1980-4-13 121 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  UCR200700  Festuca myuros var. hirsuta Steve Boyd, Naomi Fraga 2004-4-27 10951 San Diego Peninsular Ranges; Anza Bench region, Warner Springs area, rolling terrain near the Pacific Crest Trail, south of Hwy 79 and west of the Warner Springs Resort 898 Comment
  SD152989  Festuca perennis Steve Boyd, Tim Ross 1992-5-4 7173 Riverside San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. Near junction of Lucas Canyon and Verdufo Trails. 730 Comment
  RSA496369  Filago arizonica Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-3-19 3043 Riverside Vail Lake area, 0.75 mile NW of dam, S flank Oak Mountain 622 Comment
  RSA524432  Filago arizonica Steve Boyd, Timothy S. Ross, Laurel Arnseth, Jaime Bonilla 1990-4-3 4048 Riverside Vail Lake area, summit of 'Big' Oak Mountain at E end. 793 Comment
  RSA524600  Filago arizonica Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-3-29 3915 Riverside Vail Lake area, summit of 'Big' Oak Mt., N of lake 793 Comment
  RSA524419  Filago californica Steve Boyd, J. Bonilla, Timothy S. Ross, L. Arnseth 1990-4-3 4111 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
  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
  RSA543588  Filago californica Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6140 Riverside Santa Ana Mountains, S side of Elsinore Peak. 1037 Comment
  RSA600144  Filago californica Steve Boyd, Lauren Raz 1997-5-6 9736 Los Angeles Liebre Mountains region: Fish Canyon just upstream from the confluence with Castaic Creek. 500 Comment
  RSA701688  Filago californica Steve Boyd, Valentin Arvizu 2004-6-8 11484 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
  UCR120621  Filago californica Steve Boyd, T. S. Ross 1988-4-28 2241 Los Angeles San Gabriel Mtns., W end of mtns., Angeles National Forest. Sand Canyon, east of Saugus. In small side canyon 793 Comment
  UCR225189  Filago californica Steve Boyd, Susan Jett 2008-3-20 11831 Riverside Peninsular Ranges; Santa Ana Mountains region, Eastern flank of the range along El Cariso Truck Trail ca. 0.5 mi north of Highway 74. (33 deg. 39'26"N, 117 deg. 24'25"W). 732 Comment
  UCR48530  Filago californica Steve Boyd 1986-4-19 1695 Riverside Peninsular Range, Temescal Canyon, east side of Indian wash between I-15 and Temescal Canyon Road 351 Comment
  RSA527731  Filago californica Steve Boyd 1990-4-8 4298 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  RSA387348  Filago depressa Steve Boyd, M. Doyle, B. Roy, Sara Meury 1986-4-12 1667 San Bernardino Lucerne Valley, just E of Rabbit Dry Lake, off Hwy. 18. 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
  RSA544413  Frankenia salina Steve Boyd, T. S. Ross 1991-6-14 6381 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
  CAS-BOT-BC211036  Fraxinus velutina Steve Boyd; LeRoy Gross 2004-5-4 11143 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
  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
  CAS-BOT-BC130238  Fritillaria biflora Steve Boyd 1986-4-2 1581 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park 640 Comment
  RSA501076  Fritillaria biflora Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-2 3194 Riverside Vail Lake Area, W end of bench on S flank of Oak Mountain. 548 Comment
  RSA524461  Fritillaria biflora Steve Boyd, Timothy S. Ross, Laurel Arnseth, J. Bonilla 1990-4-3 4064 Riverside Vail Lake area, summit of 'Big' Oak Mountain at E end. 793 Comment
  RSA524592  Fritillaria biflora Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-3-29 3907 Riverside Vail Lake area, summit of Big Oak Mountain, N of lake. 793 Comment
  RSA552727  Fritillaria biflora Steve Boyd, Timothy S. Ross 1992-3-31 6769 Riverside Santa Ana Mountains, Elsinore Peak. 1012 Comment
  RSA771883  Fritillaria biflora Steve Boyd 2010-5-28 12283 Riverside Elsinore Peak, southeast of peak, north of trail along old Main Divide Road east of road up to communications towers 1012 Comment
  RSA562050  Fritillaria biflora Steve Boyd, Timothy S. Ross 1992-4-1 6779 Riverside Santa Ana Mountains., Elsinore Peak area, S of Lake Elsinore. South base of Peak (3448) to SE of Elsinore Peak area. 1000 Comment
  RSA525438  Funastrum cynanchoides var. hartwegii Steve Boyd, D. E. Bramlet 1990-4-29 4483 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  RSA475291  Funastrum hirtellum Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2099 Riverside North end Palen Mountains, 2 mi west of Palen Pass 300 Comment
  RSA735224  Funastrum hirtellum Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11246 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
  GH385982  Galium angustifolium S. D. Boyd, A. C. Sanders, R. T. Hawke, Shaun Hawke, Susan Hobbs & Paul Hobbs 1997-4-20 9576 Unknown 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, T10N R21W N 1/2 sec. 22 1097 Comment
  UCR147765  Galium angustifolium Steve Boyd, LeRoy Gross 2004-5-4 11145 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
  UCR160029  Galium angustifolium Steve Boyd, V. Arvizu 2004-6-8 11500 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
  UCR199801  Galium angustifolium Steve Boyd, Lisa Rojas 2004-5-26 11374 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
  RSA602320  Galium angustifolium subsp. angustifolium Steve D. Boyd, Lauren Raz 1997-6-17 9940 Los Angeles Liebre Mountains region: Little Burnt Peak, at the divide between the head of Fish and Burnt canyons, north of Burnt Peak and southeast of Sawmill Mountain summit. 1597 Comment
  SBBG101768  Galium angustifolium subsp. angustifolium S. Boyd, T. Ross 1991-6-14 6404 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
  SD136759  Galium angustifolium subsp. angustifolium Steve Boyd, Tim Ross, Mike Wall 1992-6-4 7539 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Devil Canyon at the confluens with Miller Creek Common on open sandy benches 536 Comment
  SBBG96665  Galium aparine S. Boyd with T. Ross, L. Arnseth 1990-4-7 4243 b Los Angeles lower half of China Cyn, W side Comment
  CAS-BOT-BC217475  Galium catalinense Steve Boyd; Tim Ross; Laurel Arnseth 1990-4-7 4263 Los Angeles Lower half of Chna Cyn, S end of island, W side, San Clemente Island Comment
  RSA619917  Galium hilendiae Steve D. Boyd, Valerie Soza, Kazuyuki Kashiwase 1998-7-1 10242 San Bernardino San Bernardino Mountains: North base of Blackhawk Mountain, southwest of Round Mountain. 1463 Comment
  UCR200729  Galium porrigens var. porrigens Steve Boyd, Tammy Morgan 2004-5-11 11192 Ventura Transverse Ranges; Mount Pinos region, Topa Topa Mtns, east of Sespe Canyon near upper end of Tar Creek Road and trail Comment
  RSA735314  Galium stellatum var. eremicum Steve D. Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11268 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
  UCR199832  Galium stellatum var. eremicum Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11268 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
  SBBG96999  Gambelia speciosa S. Boyd with T. Ross, L. Arnseth 1990-4-6 4161 Los Angeles Lemon Tank Cyn 274 Comment
  UC1871081  Garrya flavescens Steve Boyd, Chris Frazier 1993-4-24 8009 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. Along trail extending south from end of Woodchuck rd. T8S R1W; SE 1/4, NE 1/4 sec. 32. Elev. 2600-2900 feet. Comment
  UCR48471  Garrya veatchii Steve Boyd, C. Boyd, B. Roy 1986-2-2 1203 San Diego Hwy 79 near 'Maggies Place' a cafe in Dodge Valley Comment
  UCR148741  Gaura coccinea Steve Boyd, Tammy Morgan 2004-6-1 11413 San Bernardino Eastern Mojave Desert, Clark Mountain, west flank of the range in large canyon south of Pachalka Spring 1800 Comment
  UCR39475  Gayophytum diffusum subsp. parviflorum Steve Boyd 1983-7-25 s.n. San Bernardino San Bernardino Mtns, Near Onyx Summit at Cienaga Seca, west of Hwy 38 2500 Comment
  CAS-BOT-BC303591  Geraea canescens Steve Boyd; Tammy Morgan 2004-3-30 10737 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 Rd 600 Comment
  RSA702330  Geraea canescens Steve Boyd, Michael Denslow 2004-3-23 10613 San Bernardino Lavic Mountain, southern end of the Cady Mountains northwest of Ludlow (north of Interstate 40) along powerline/pipeline access road. Comment
  UCR148393  Geraea canescens Steve Boyd, Michael Denslow 2004-3-23 10676 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
  RSA670264  Gilia R. S. Boyd, Carter 1978-3-17 s.n. San Bernardino Barstow. Comment
  RSA726102  Gilia Steve Boyd, Michael Denslow 2004-3-23 10663 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
  RSA523543  Gilia angelensis Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4003 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA543771  Gilia angelensis Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6031 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
  SBBG101794  Gilia angelensis S. Boyd with T. Ross, M. Hammitt 1991-5-2 6031 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
  RSA359866  Gilia angelensis Steve Boyd 1986-4-2 1615 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 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
  SD220077  Gilia brecciarum Steve Boyd, Valentin Arvizu 2008-5-1 11899 Kern Piute Mountains, lower Experanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley. 1372 Comment
  UCR52237  Gilia cana subsp. speciformis Steve Boyd, C. Boyd 1987-4-12 2004 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
  RSA593001  Gilia capitata subsp. abrotanifolia Steve Boyd 1996-4-25 8731 Los Angeles Liebre Mountains, southwestern flank of Liebre Mountain, north side of Cold Canyon along Forest Service Road 7N23 ca 1.1 road miles N of jtn with 7N22. 1415 Comment
  RSA599848  Gilia capitata subsp. abrotanifolia Steve Boyd, Lauren Raz 1997-5-6 9764 Los Angeles Liebre Mountains region: Fish Canyon just upstream from the confluence with Castaic Creek. 500 Comment
  RSA507951  Gilia diegensis Steve Boyd, C. Boyd, Kyle A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2269 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  RSA701587  Gilia diegensis Steve Boyd, Naomi Fraga 2004-4-27 10928 San Diego Warner Springs area, flats east of gliderport, near the Pacific Crest Trail, south of Highway 79. 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
  UCR64877  Gilia leptantha subsp. purpusii Steve Boyd, D. E. Bramlet 1986-6-9 1906 Tulare Southern Sierra Nevada Mtns, Chimney Creek Canyon, saddle on east flank of Peak 7155 [7125] , south of Chimney Meadow 2141 Comment
  UCR151415  Gilia modocensis Steve Boyd, Valerie Soza 1998-4-28 10178 Los Angeles Liebre Mtns, Antelope Valley, at foot of Portal Ridge along Lancaster Road, just south of the junction with Calif. Hwy 138, west of Fairmont Comment
  RSA0116706  Gilia ochroleuca Steve Boyd, Valentin Arvizu 2008-5-1 11908 Kern Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley. 1372 Comment
  CAS-BOT-BC402003  Gilia ochroleuca subsp. bizonata Steve Boyd; Lauren Raz 1997-4-30 9635 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 914 Comment
  CAS-BOT-BC407803  Gilia ochroleuca subsp. exilis Steve Boyd; Tim Ross; Laurel 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 Sta. 609 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
  UCR67348  Gilia ochroleuca subsp. exilis Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-2 4016 Riverside Peninsular Range, Vail Lake area, lower slopes of Agua Tibia Mtn. along Hwy 79, east of USFWS Dripping Springs Guard Station 610 Comment
  RSA480028  Gilia scopulorum Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2157 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  RSA515217  Gilia sinuata Steve Boyd, Orlando Mistretta 1986-3-31 1528 Los Angeles Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. Comment
  RSA480027  Gilia stellata Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2158 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  UCR51949  Gilia stellata Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2111 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  UCR218730  Githopsis diffusa Steve Boyd 2010-6-9 12296 San Diego Santa Ana Mountains, Head of ''Mud Creek'', a tributary of Devil Canyon; along Margarita Peak Road (8S01) southwest of ''Sky Ranch' 732 Comment
  UCR61091  Githopsis diffusa Steve Boyd, K. A. Boyd, Richard Noyes, L. Arnseth, C. Boyd 1988-5-28 2307 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  RSA525345  Githopsis diffusa subsp. candida Steve Boyd, A. C. Sanders, Mark Skinner 1990-4-28 4442 -B Riverside Vail Lake area, summit of Big Oak Mtn, N of lake 762 Comment
  RSA395909  Githopsis diffusa subsp. diffusa Steve Boyd 1986-4-22 1771 Riverside Temescal canyon: Terrace escarpment E side of Indian Wash, S of I-15. Comment
  RSA559485  Githopsis diffusa subsp. diffusa Steve Boyd, Timothy S. Ross 1992-4-28 7081 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
  RSA593468  Glycyrrhiza lepidota Steve Boyd, Michael Wall 1996-5-16 8782 Los Angeles Liebre Mountains, confluence of Ruby Canyon and Elizabeth Lake Canyon at northwest end of Red Mountain. 585 Comment
  RSA601041  Gnaphalium californicum Steve Boyd, Lauren Raz 1997-6-18 9974 Los Angeles Liebre Mountains region: Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  RSA562093  Gnaphalium luteoalbum Steve Boyd, Orlando Mistretta 1992-4-23 7041 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
  RSA594393  Gnaphalium luteoalbum Steve Boyd, Lauren Raz 1996-10-14 9070 Los Angeles Liebre Mountains region, north shore of Elizabeth Lake, Pine Canyon south of Portal Ridge at Angeles National Forest picnic area. 1000 Comment
  UCR147705  Gnaphalium luteoalbum Steve Boyd, Aydee Virgen 2004-4-13 108665 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  RSA535469  Gnaphalium microcephalum Steve Boyd, Tim Ross, Orlando Mistretta 1992-2-2 6644 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
  RSA544284  Gnaphalium palustre Steve Boyd 1991-6-14 6363 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
  UC1928420  Gnaphalium palustre Steve Boyd, Carol Boyd 2007-9-16 11761 Inyo Sierra Nevada; Rock Creek Lake Drainage, Kenneth Lake, on Tamarack Bench west of Wheeler Ridge and East Fork of Rock Creek. Comment
  RSA594639  Gnaphalium thermale Steve Boyd, Lauren Raz 1996-10-29 9116 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
  UCR39489  Gnaphalium thermale Steve Boyd 1983-7-25 s.n. San Bernardino San Bernardino Mtns, Near Onyx Summit at Cienaga Seca, west of Hwy 38 2500 Comment
  UCR99505  Gnaphalium thermale Steve Boyd, L. Raz 1996-10-29 9116 Los Angeles San Gabriel Mtns., Atmore Meadows area at the SE end of Liebre Mtn. in a tributary drainage to the North Fork Fish Canyon 1317 Comment
  RSA611831  Goodmania luteola Steve Boyd, J. Mark Porter, Zel Lederman 1998-4-27 10150 Los Angeles Mojave Desert: Antelope Valley region, north of Lake Los Angeles (aka Lovejoy Lake) in valley between Lovejoy and Saddleback buttes, along 170th Street, just east of Challenger Middle School. 793 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
  RSA515463  Guillenia lasiophylla Steve Boyd 1987-4-12 1984 Inyo North end of Greenwater Valley, 3.2 miles S of Dante's View Road, just outside Death Valley National Monument area Comment
  RSA524583  Guillenia lasiophylla Steve Boyd, L. Arnseth, J. Bonilla, Tim Ross 1990-4-3 4131 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
  RSA543153  Guillenia lasiophylla Steve Boyd, Mike Hammitt 1991-5-2 6103 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
  UC1584126  Guillenia lasiophylla Steve Boyd, Tim Ross, and Laurel Arnseth 1990-3-29 3875 Riverside ridge at n side mouth of Temecula Creek Canyon (and adjacent benches of s flank of Big Oak Mtn); Vail Lake Area 396 Comment
  UCR112651  Gutierrezia californica Steve Boyd 1980-5-11 259 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
  RSA500143  Gutierrezia sarothrae Steve Boyd, L. Arnseth 1989-6-4 3653 Riverside Vail Lake area, W base of hills between Temecula and Wilson Creeks. 488 Comment
  UCR71595  Haplopappus canus Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4308 Los Angeles Channel Islands, San Clemente Island: E side of the island, near Malo Point, first canyon south of Bryce Canyon Comment
  HSC85268  Harpagonella palmeri Steve Boyd 1986-4-22 1767 Riverside Temescal Canyon: E side of Indian Wash, S of I-15. Comment
  SD152909  Harpagonella palmeri Steve Boyd, Tim Ross 1992-5-6 7302 San Diego So. Santa Ana Mtns, 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. Mostly on clay soils developed on basalt. 701 Comment
  SD181664  Harpagonella palmeri Steve Boyd 2001-4-12 10414 Riverside Gavilan Hills Region; southeast base of Alberhill Mountain on flats north of Nichols Road and west of Pierce Street. 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
  UC1563040  Harpagonella palmeri Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-19 3045 Riverside Vail Lake area 0.75 mi nw, s flank Oak Mountain dam; Vail Lake area, s flank Oak Mountain 621 Comment
  UCR59677  Harpagonella palmeri Steve Boyd, T. S. Ross, L. Arnseth 1989-3-19 3036 Riverside Peninsular Range, Vail Lake area, 0.5 mi WNW of dam, S flank Oak Mountain 488 Comment
  UCR59754  Harpagonella palmeri Steve Boyd, T. S. Ross, L. Arnseth 1989-3-19 3029 Riverside Peninsular Range, Vail Lake area, 0.5 mi WNW of dam, S flank Oak Mountain 488 Comment
  UCR60270  Harpagonella palmeri Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3133 Riverside Peninsular Range, Vail Lake area, 2 mi west of dam, at edge of escarpment east of Pauba Valley 549 Comment
  RSA0066602  Harpagonella palmeri Steve Boyd 1992-4-18 6901 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
  RSA0066622  Harpagonella palmeri Steve Boyd 1986-5-1 1790 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow. Comment
  UCR79233  Helenium puberulum Steve Boyd, T. S. Ross 1992-4-29 7139 San Diego Peninsular Range; Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area: San Mateo Canyon from eastern-most segment of the Clark Trail downstream to the border w/ Camp Pendleton 213 Comment
  RSA561128  Helianthemum scoparium Steve Boyd, Timothy S. Ross, Bob Boyd 1992-5-6 7307 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
  RSA560291  Helianthus gracilentus Steve Boyd, T. S. Ross, Michael Wall 1992-6-4 7544 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Devil Canyon at the confluence with 'Miller Canyon' 537 Comment
  RSA573299  Helianthus gracilentus Steve Boyd, T. S. Ross 1994-9-14 8356 Orange Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, Lucas Canyon just downstream of Lucus Canyon Trail crossing near old mining camp. Comment
  RSA522291  Heliotropium amplexicaule Steve Boyd 1990-2-3 3824 Los Angeles San Gabriel Mountains, base of range at Padua Hills, just W of mouth of San Antonio Canyon Comment
  RSA594349  Heliotropium curassavicum var. oculatum Steve Boyd, Lauren Raz 1996-10-14 9035 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
  CAS-BOT-BC453462  Hemitomes congestum Jean Boyd; Marie Kelly 1950-7-11 s.n. Mendocino Fort Bragg Comment
  UCR22100  Hemizonia fasciculata Steve Boyd 1980-5-21 296 Riverside Gavilan Hills, Harford Springs County Park, on the NW corner of the Gavilan plateau. Comment
  UCR22159  Hemizonia kelloggii Steve Boyd 1980-5-11 256 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
  UCR147719  Hemizonia mohavensis Steve Boyd, Et al. 2001-8-24 10430 Kern Mojave Desert; West Mojave Desert; SE Southern Sierra Nevadas, Short Canyon, basin at head of deeply entrenched canyon near base of mountains 1155 Comment
  RSA544391  Hemizonia paniculata Steve Boyd 1991-5-30 6319 Riverside Winchester Valley, SE end of Double Butte, just N of Winchester, 1/2 mile W of Highway 79 457 Comment
  RSA561589  Hemizonia pungens subsp. pungens Steve Boyd, Orlando Mistretta 1993-6-10 8188 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the Angeles National Forest. Along Santa Clara Rd (3N17.9), 1/4 mile E of May Canyon Saddle, just north of May Peak. 914 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
  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
  HSC66055  Hesperocyparis macnabiana D. Boyd, M. Eichelberger, Tim Messick, T. Ranker 1980-4-19 40 Lake Along Walker Ridge Rd., 1 mi. N of junction with access to Indian Valley Dam Comment
  UCR79212  Hesperolinon micranthum Steve Boyd, T. S. Ross 1992-5-4 7196 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero 732 Comment
  SD136992  Hesperoyucca whipplei Steve Boyd, Tim Ross 1992-5-4 7200 Riverside Southern Santa Ana Mountains; San Mateo County Wilderness Area; Oak flats area east of Verduga Potrero. 730 Comment
  RSA0072403  Heteromeles arbutifolia Steve D. Boyd, Bart O'Brien 1998-1-13 10071 Orange Santa Ana Mountains: north end of the range, W of Sierra Peak along Main Divide Road (3S04), ca. 0.5 mi from summit of peak near head of Coal canyon. 774 Comment
  UCR143136  Heteromeles arbutifolia Steve Boyd 1997-9-17 10038 B Los Angeles San Gabriel Mtns., Knapp Ranch area, upper end of Castaic Creek drainage in broad alluvial valley at head of Cienega Canyon, south of Liebre Mountain 976 Comment
  RSA0072394  Heteromeles arbutifolia Steve Boyd, Tim Ross, L. Arnseth 1990-3-30 3959 Riverside Vail Lake area, westerly draining canyon a N base of 'Big' Oak Mtn. 640 Comment
  RSA0074078  Heterotheca grandiflora Steve Boyd, Lauren Raz 1996-9-24 8925 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
  UCR22150  Heterotheca grandiflora Steve Boyd 1980-12-13 363 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau Comment
  RSA600370  Hirschfeldia incana Steve Boyd, Lauren Raz 1997-5-28 9867 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
  RSA335005  Hoita macrostachya Steve Boyd 1985-7-30 1049 Riverside De Luz Rd., 10.4 miles west of Rancho California. Where east branch of De Luz creek first crosses the road Comment
  SD122905  Hoita macrostachya Steve Boyd 1985-7-30 1049 Riverside De Luz Road, 10.4 miles west of Rancho California, in wet sand along stream at the point where east branch of De Luz Creek first crosses the road Comment
  UCR119541  Holocarpha heermannii Steve Boyd 1998-10-7 10299 Los Angeles West Mojave Desert/Transverse Range, Liebre Mtns. Region. Southern edge of the Antelope Valley at the N base of Portal Ridge, along 180th Street West, near the California Aqueuct, east of mouth of Broad Canyon 915 Comment
  RSA575896  Holocarpha virgata subsp. elongata Steve Boyd 1994-10-14 8389 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
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May 20 2012
  CAS-BOT-BC152746  Holodiscus microphyllus var. microphyllus Steve Boyd; Dave Bramlet 1986-6-9 1925 Tulare Chimney Creek Canyon, saddle on E. flank Peak 7155, S. of Chimney Meadow - Southern Sierra Nevada Mts. 2133 Comment
  RSA520762  Hordeum brachyantherum Steve Boyd, D. Bramlet 1986-6-9 1952 Tulare Southern Sierra Nevada Mtns-Chinmey Creek Canyon at Chimney Meadow, N. base peak 7155. 1860 Comment
  RSA572999  Hordeum brachyantherum subsp. californicum Steve Boyd 1986-4-19 1717 Riverside Warm Springs Valley, Alberhill Creek E of Nichols Road. Comment
  RSA595136  Hordeum intercedens Steve Boyd, Dave Bramlet 1996-4-19 8592 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
  RSA562582  Hordeum murinum subsp. glaucum Steve Boyd, Walter Appleby 1993-4-22 7988 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
  RSA611631  Hordeum murinum subsp. glaucum Steve Boyd, Valerie Soza, Mike Kinney, J. Mark Porter 1998-3-24 10113 Los Angeles Plum Canyon southwest of Cruzan Mesa along Arline Road ca 2 miles west of junction with Sierra Highway in Mint Canyon., Near 34? 27' 04.5''N 118? 27' 10.4'' W 609 Comment
  RSA500089  Hordeum murinum subsp. leporinum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3222 Riverside Vail Lake area, riparian woodland area at N end of Kolb Creek, near campground. 457 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
  SD136957 Image available Hordeum vulgare Steve Boyd, Tim Ross 1992-6-9 7614 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper southern flank of Miller Mountain, along dirt road within private inholding at base of east-most high plateau 730 Comment
  RSA562550  Hordeum vulgare var. trifurcatum Steve Boyd, Orlando Mistretta 1993-5-11 8131 Los Angeles Western San Gabriel Mtns, north of Sylmar and south of Santa Clarita, within rhe Tujunga Ranger District of the Angeles National Forest, along Placerita canyon Road within Placerita canyon 488 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
  UC1606620  Horkelia truncata Steve Boyd, Tim Ross 1992-6-4 7590 San Diego SW of Sky Ranch (SE edge of wilderness in upper Devil Canyon drainage, along Forest Service Road 8S01); Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 731 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
  CHSC101720  Hosackia crassifolia var. crassifolia Steve Boyd; M. Denslow, A. Maurice, S. Swartzentruber, A. Virgen 2003-6-27 10517 Tulare Sierra Nevada; Southern Sierra Nevada region; Chimney Peak Recreation Area, summit of northern high point on Bear Mountain (Bear Peak). WUTM Zone 11; 3971224N 402995E. 2509 Comment
  UCR40562  Hydrocotyle ranunculoides Steve Boyd 1985-8-7 1107 Riverside Santa Ana Mtns., Santa Rosa Plateau, Santa Rosa Plateau, NW base of Redonda Mesa on Tenaja Road, 0.8 mi east of the junction w/ 8S01 & 8S02 671 Comment
  RSA480011  Hymenoclea salsola Steve Boyd, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2132 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA611662  Hymenoclea salsola Steve Boyd, Lauren Raz, Mike Kinney 1998-3-17 10092 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
  OBI37554  Hypericum scouleri Steve Boyd 1985-8-7 1098 San Diego Santa Rosa Plateau region. Forest Service Rd 8S02, 2.3 mi W of Johnson Ranch (jtn 8S01 & 8S02) Comment
  RSA496137  Hypochaeris glabra Steve Boyd 1989-3-19 3024 Riverside Vail Lake area,1 mile W of Lake 610 Comment
  UCR21913  Hypochaeris glabra Steve Boyd 1980-5-8 s.n. Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 625 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
  UC1929976  Hyptis emoryi Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10463 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
  RSA561441  Isocoma menziesii Steve Boyd, Tim Ross, Orlando Mistretta 1992-10-2 7707 San Diego Southern Santa Ana Mountains: San Mateo Canyon Wilderness Area. Southwestern edge of the wilderness in lower Devil Canyon, upstream about 1 mile from the confluence with San Mateo Canyon. 183 Comment
  RSA593483  Isolepis cernua Steve Boyd, Orlando Mistretta, Valerie Soza 1996-6-12 8846 Los Angeles Liebre Mountains, Castaic Creek drainage upstream from confluence of Fish Canyon. 549 Comment
  RSA594469  Isolepis cernua Steve Boyd, Lauren Raz 1996-9-24 8939 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
  SD136983  Isolepis cernua Steve Boyd, Tim Ross, Dave Bramlet 1993-5-13 7374 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, Wildhorse Canyon, from confluence with Los Alamos Canyon, upstream approximately 1 mile. On alkaline spring-fed seepage at first major waterfall area. (IPB 11/07) 410 Comment
  UC1928422  Ivesia lycopodioides Steve Boyd, Carol Boyd 2007-9-12 11758 Mono Sierra Nevada; Pass between Virginia Lakes Basin and Summit Lake, ca. 2 airline miles southwest of Dunderberg Peak and 1 airline mile west of Black Mountain. Comment
  RSA515452  Ivesia saxosa Steve D. Boyd 1986-6-9 1957 Tulare Chimney Creek Canyon, 0.5 mile downstream from Chimney Meadow. 1829 Comment
  RSA527587  Jepsonia malvifolia Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4412 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. 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
  RSA593501  Juglans californica var. californica Steve Boyd, Mike Wall 1996-5-16 8766 Los Angeles Liebre Mountains, Charlie Canyon in vicinity of prominent sandstone outcrop visible from Lake Hughes Road east of Castaic Lake 549 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
  CAS-BOT-BC102332  Juglans regia Steve Boyd; Orlando Mistretta 1993-6-10 8185 Los Angeles Western San Gabriel Mountains, north of Sylmar and south of Santa Clarita, within the Tujunga Ranger District of the 914 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
  UCR22063  Juncus bufonius Steve Boyd 1980-4-13 129 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 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
  RSA500202  Juncus bufonius var. bufonius Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3541 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. 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
  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
  RSA575973  Juncus macrophyllus Steve Boyd 1981-1-25 s.n. Riverside Gavilan Hills region, south flank of the range in Arroyo del Toro. Bull Canyon Road. 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
  RSA701379  Juncus mexicanus Steve Boyd, LeRoy Gross 2004-5-4 11151 -A San Diego Hills north of Warner Springs, north Indian Flats Campground of Cleveland National Forest along Road 9S05. 899 Comment
  RSA600365  Juncus rugulosus Steve Boyd, Lauren Raz 1997-5-28 9873 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
  UCR21862  Juncus xiphioides 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
  UCR60608  Juncus xiphioides Steve Boyd, T. S. Ross, L. Arnseth 1989-6-10 3690 Riverside Peninsular Range, Vail Lake area, benches of Arroyo Seco and slopes of hills to the east 488 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
  RSA594352  Juniperus californica Steve Boyd, Lauren Raz 1996-10-14 9059 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
  NY1104467  Juniperus occidentalis subsp. australis S. D. Boyd 2003-6-27 10575 Tulare Sierra Nevada; Southern Sierra Nevada region: Chimney Peak Recreation Area, summit of northern high point on Bear Mountain (Bear Peak). 2509 Comment
  RSA695621  Juniperus occidentalis var. australis Steve Boyd, Michael Denslow, Amber Maurice, Sarah Swartzentruber, Aydee Virgen 2003-6-27 10575 Tulare Chimney Peak Recreation Area, summit of northern high point on Bear Mountain (Bear Peak). 2509 Comment
  RSA602315  Keckiella breviflora var. breviflora Steve D. Boyd, Lauren Raz 1997-6-17 9946 Los Angeles Liebre Mountains region: Little Burnt Peak, at the divide between the head of Fish and Burnt canyons, north of Burnt Peak and southeast of Sawmill Mountain summit. 1597 Comment
  RSA701680  Keckiella cordifolia Steve D. Boyd, Valentin Arvizu 2004-6-8 11496 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
  SBBG97015  Keckiella cordifolia S. Boyd with T. Ross, L. Arnseth 1990-4-8 4426 Los Angeles Bryce Cyn near Malo Pt Comment
  RSA611829  Kochia californica Steve Boyd, J. Mark Porter, Zel Lederman 1998-4-27 10152 Los Angeles Mojave Desert: Antelope Valley, Amargosa Creek drainage at West G Street, west of Highway 14, southwest of Rosamond Dry Lake. 793 Comment
  RSA560845  Koeleria macrantha Steve Boyd, Timothy S. Ross 1992-5-4 7177 -B Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  SBBG118886  Krascheninnikovia lanata S. Boyd with S. Vanderplank, V. Arvizu 2004-10-13 11572 San Bernardino [SE] end of the Mescal Mtns, S of Clark Mtn and Interstate 15, [SE] of Mountain Pass Comment
  RSA502493  Lactuca saligna Steve Boyd, T. S. Ross, L. Arnseth 1989-6-11 3734 Riverside Vail Lake area: edge of hills on N of Wilson Creek at E end of lake. 488 Comment
  RSA522307  Lactuca serriola Steve Boyd 1989-7-9 3777 Riverside City of Riverside, 4863 Rubidoux Ave. Comment
  RSA594456  Lactuca serriola Steve Boyd, Lauren Raz 1996-9-24 8952 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
  RSA573433  Lagophylla ramosissima Steve Boyd, Tim Ross 1994-9-14 8342 Riverside Southern Santa Ana Mtns, San Mateo Canyon wilderness area of Cleveland National Forest, Southwestern edge of the Oak flat area, 0.5 miles S of Serrano Spring. 732 Comment
  SD136907  Lagophylla ramosissima Steve Boyd, Tim Ross 1994-9-14 8342 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of Cleveland National Forest; 0.5 miles south of Serrano Spring 730 Comment
  RSA593497  Lagophylla ramosissima subsp. ramosissima Steve Boyd, Michael Wall 1996-5-16 8771 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
  RSA600202  Lagophylla ramosissima subsp. ramosissima Steve Boyd, Lauren Raz 1997-5-29 9916 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
  RSA500981  Lamarckia aurea Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3100 Riverside Vail Lake area, ridge-top 1 mile W of dam. 642 Comment
  RSA543850  Lamarckia aurea Steve Boyd, Orlando Mistretta 1991-5-22 6314 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  UC1595558  Lamarckia aurea Steve Boyd, Orlando Mistretta 1991-5-22 6314 Riverside e of Dorland Mountain (w of Kolb Creek, base of Agua Tibia Mountain, Vail Lake Area); Vail Lake Area, Agua Tibia Mountain 548 Comment
  UCR49265  Lamarckia aurea Steve Boyd 1986-4-2 1636 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  CAS-BOT-BC170734  Larrea tridentata Steve Boyd 2007-11-1 11817 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 - Mojave Desert, East Mojave Desert region 731 Comment
  CAS-BOT-BC170749  Larrea tridentata Steve Boyd; Tammy Morgan 2004-3-30 10682 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
  RSA457768  Larrea tridentata Steve D. Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2219 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 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
  UC1929587  Larrea tridentata Steve Boyd, Carol Boyd 2007-4-22 11729 San Bernardino Mojave Desert; Southcentral Mojave Desert region; North base of the Sheephole Mountains, just northeast of Sheephole Pass, east of Amboy Road. Comment
  UCR200771  Larrea tridentata Steve Boyd, LeRoy Gross 2008-4-11 11837 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
  CAS-BOT-BC412767  Lastarriaea coriacea Steve Boyd; Tim Ross; Dave Bramlet 1993-5-13 7364 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Los Alamos Canyon at mouth of Wildhorse Canyon 411 Comment
  UC1563120  Lastarriaea coriacea Steve Boyd, Tim Ross, Laurel Arnseth 1989-4-2 3237 Riverside n of Wilson Creek (at ne end of Vail Lake); Vail Lake 487 Comment
  RSA702319  Lasthenia californica Steve Boyd, LeRoy Gross 2004-5-4 11053 San Diego Hills north of Warner Springs, Indian Flats Campground of Cleveland National Forest along Road 9S05. Comment
  RSA388496  Lasthenia coronaria Steve Boyd 1986-5-1 1821 Riverside Bachelor Mtn.: Lower south slopes of Bachelor Mtn., east end of Lake Skinner. Comment
  UCD133644  Lasthenia coronaria Steve Boyd; Tim Ross, Laurel Arnseth 1989-4-1 3106 Riverside Vail Lake area. At north base of rounded knob 1.25 miles WSW of dam. 609 Comment
  RSA543858  Lasthenia gracilis Steve Boyd, David E. Bramlet 1991-5-13 6236 Riverside Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. N of Santa Fe RR tracks, W of San Diego aqueduct. 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
  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
  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
  UCD106372  Lathyrus lanszwertii var. tracyi D. Boyd; M. Eichelberger, T. Messick, T. Ranker 1980-5-3 55 Trinity Philpot Ck. Campground. 807 Comment
  RSA571273  Layia glandulosa Steve Boyd, Darin Banks, Orlando Mistretta 1994-4-29 8314 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
  RSA595114  Layia glandulosa Steve Boyd, Orlando Mistretta, John Dolan 1996-4-18 8580 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
  RSA695617  Layia glandulosa Steve Boyd, Michael Denslow, Amber Maurice, Sarah Swartzentruber, Aydee Virgen 2003-6-27 10579 Tulare Chimney Peak Recreation Area, summit of northern high point on Bear Mountain (Bear Peak). 2509 Comment
  SD254540  Layia glandulosa Steve Boyd, Gary D. Wallace 2011-4-14 12317 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
  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
  UCR99364  Layia pentachaeta subsp. pentachaeta Steve Boyd, A. C. Sanders, R. T. Hawke, Shaun Hawke, Susan Hobbs, Paul Hobbs 1997-4-20 9581 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
  RSA395943  Layia platyglossa subsp. campestris Steve Boyd 1986-3-9 1394 Riverside Temescal Canyon: Terrace escarpments between Indian Truck Trail and Horsethief Wash. 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
  RSA525684  Layia platyglossa subsp. campestris Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4554 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
  RSA543753  Layia platyglossa subsp. campestris Steve Boyd 1991-5-2 6073 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
  UCR48498  Lemna gibba Steve Boyd 1986-5-5 1851 Riverside Gavilan Hills, Estelle Mtn. Head of large canyon draining the SE side of Estelle Mtn. Comment
  OBI78533  Lemna minor Steve Boyd 1985-7-30 1074 San Diego lower Cottonwood Cyn, near its confluence with De Luz Crk 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
  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
  UCR65524  Lepidium appelianum Steve Boyd, D. E. Bramlet 1986-6-9 1942 Tulare Southern Sierra Nevada Mtns., Chimney Creek Canyon at Chimney Creek Meadow, N base of Peak 7155 [7125] 1860 Comment
  CAS-BOT-BC88947  Lepidium dictyotum Steve Boyd 1986-4-2 1623 Riverside Gavilan Plateau, Gavilan Hills. Harford Springs County Park. In southeast corner of park. 640 Comment
  RSA593915  Lepidium dictyotum var. acutidens Steve Boyd, Dave Bramlet 1996-4-19 8595 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
  SEINET3523120 Image available 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 Mtn. North of Lucerne Valley. 10 miles N of the Bear Valley Rd. on Camp Rock Road. Comment
  HSC85340  Lepidium lasiocarpum Steve Boyd 1986-2-6 1229 Imperial Cargo Muchacho Mtns., large canyon at SE end of mountains, 5.4 mi. NE of I-8 off Sidewinder Rd. and Power-line Rd. Comment
  RSA543154  Lepidium lasiocarpum Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6104 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
  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
  RSA543880  Lepidium latipes Steve Boyd, Dave Bramlet 1991-5-13 6240 Riverside Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. N of Santa Fe RR tracks, W of San Diego aqueduct. Comment
  UCR65295  Lepidium strictum Steve Boyd 1989-5-2 3518 Riverside City of Riverside, Gravel driveway of residence at 4863 Rubidoux Avenue. Comment
  RSA522272  Lepidium strictum Steve Boyd 1989-5-2 3518 Riverside City of Riverside. Residence at 4863 Rubidoux Ave. Comment
  RSA561806  Lepidium virginicum Steve Boyd 1992-4-14 6838 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail. 341 Comment
  SD136872  Lepidium virginicum Steve Boyd 1992-4-14 6838 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area, Western Flank of Bluewater Canyon along Bluewater Trail 341 Comment
  RSA407717  Lepidium virginicum var. pubescens Steve Boyd 1986-4-22 1760 Riverside Temescal Canyon; Stable alluvial benches of Indian wash just S of I-15. Comment
  RSA524437  Lepidium virginicum var. robinsonii Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-3 4053 Riverside Vail Lake Area, summit of Big'' Oak Mts. at E end. 792 Comment
  RSA543754  Lepidium virginicum var. robinsonii Steve Boyd, Timothy S. Ross, Mike Hammit 1991-5-2 6074 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain 3 miles N Highway 79, 1 mile W of Highway 371, N of Aguanga. 600 Comment
  RSA583730  Lepidospartum squamatum Steve Boyd, Darin Banks 1995-4-6 8466 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
  RSA595025  Lepidospartum squamatum Steve Boyd, Lauren Raz 1996-10-8 8986 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
  RSA365944  Leptosiphon liniflorus Steve Boyd 1986-5-7 1850 Riverside Temescal Canyon: Edge of Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. Comment
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Apr 7 2011
  RSA599623  Leptosiphon liniflorus Steve Boyd, Lauren Raz 1997-4-16 9517 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
  HSC65923  Leptosiphon parviflorus D. Boyd, M. Eichelberger, Tim Messick, T. Ranker 1980-5-3 68 Shasta Harrison Gulch along Hwy. 36 at rd. to Deer Lick Springs 823 Comment
  RSA562474  Leptosiphon pygmaeus subsp. pygmaeus Steve Boyd, T. S. Ross 1992-5-6 7272 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
  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
  CAS-BOT-BC339565  Lessingia glandulifera 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) 1645 Comment
  CAS-BOT-BC339566  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 938 Comment
  RSA0013742  Lessingia glandulifera var. peirsonii Steve Boyd, Valentin Arvizu 2008-8-21 12020 Kern Piute Mountains, western edge of Kelso Valley below lower Esperanza Canyon at eastern base of Sorrell Peak. 1311 Comment
  UCD134067  Lessingia glandulifera 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 mile east of junction with road to Bear Gulch Camp (7N23A). 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
  GH365283  Leymus condensatus S. D. Boyd & L. Raz 1997-5-28 9847 Unknown 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. T7N R17W E 1/2 SW 1/4 sec. 14; 7N 17W W a/2 SE 1/4 sec. 14 865 Comment
  RSA600006  Leymus condensatus Steve Boyd, Lauren Raz 1997-5-28 9847 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
  RSA594929  Leymus triticoides Steve Boyd, Lauren Raz 1996-10-8 8995 Los Angeles Liebre Mountains region, Bouquet Canyon ca. 1.7 miles south of junction with Forest Service Road 6N08. 561 Comment
  RSA334661  Lilium humboldtii subsp. ocellatum Steve Boyd 1985-7-30 1055 San Diego Lower Cottonwood Canyon, near its confluence with De Luz Creek. Comment
  UCR225159  Limosella acaulis Steve Boyd, Gary Wallace 2005-7-30 11647 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
  RSA571285  Linanthus aureus Steve Boyd, D. L. Banks, Orlando Mistretta 1994-4-29 8326 Los Angeles Northern slope of the San Gabriel Mountains, Angeles National Forest, Santiago Canyon at confluence with side draw on southeastern side of Mt. Emma. 1159 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
  RSA570249  Linanthus aureus var. decorus Steve Boyd, T. S. Ross, Walter Appleby 1993-3-20 7878 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
  SD152787  Linanthus californicus Steve Boyd, Tim Ross, Orlando Mistretta 1992-2-25 5582 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area, along San Mateo Trail from junction 7S04 and 7S01 upstream to southern end of Potrero de la Cienega, but primarily about Tenaja Falls. 395 Comment
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Jun 9 2012
  RSA485370  Linanthus demissus Steve Boyd, C. Boyd 1987-4-12 2018 Inyo South end of Greenwater Valley, 0.3 mile NW of jtn w/ Hwy 178, 2 miles W of Shoshone. 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
  RSA407739  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd 1986-5-1 1801 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow. Comment
  RSA525248  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd, T. S. Ross 1990-5-11 4626 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  RSA543171  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd, Mike Hammitt, T. S. Ross 1991-5-2 6081 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
  RSA515177  Linanthus dichotomus subsp. dichotomus Steve Boyd, Orlando Mistretta 1986-3-31 1570 Los Angeles Mojave Desert: Highway 18 about 1 mile E of jct with Hwy 138, NE of Pinyon Hills. Comment
  UCR31808  Linanthus floribundus Steve Boyd 1982-3-11 s.n. Riverside Brown Canyon, Brown Canyon 7 miles SE of Hemet 701 Comment
  RSA570257  Linanthus jonesii Steve Boyd, Walter Appleby 1993-3-19 7814 San Bernardino Southern base of the Avawatz Range at the mouth of Sheep Creek Springs Canyon at base of vetically bedded cliffs below Sierra talc mine. 500 Comment
  RSA570374  Linanthus jonesii Steve Boyd, Walter Appleby 1993-3-19 17818 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
  UCR51953  Linanthus jonesii Steve Boyd, T. S. Ross, D. Nordin, L. Arnseth, Richard Noyes, S. Meury 1988-3-10 2174 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 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
  RSA599548  Linanthus parryae Steve Boyd, Lauren Raz 1997-4-16 9530 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
  RSA731074  Lithophragma affine subsp. mixtum Steve Boyd, Aydee Virgen 2004-4-13 10881 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  RSA479515  Lithophragma bolanderi Steve Boyd, T. S. Elias 1987-4-14 2054 Los Angeles San Gabriel Mountains, Rincon - Red Box Road, S of Rincon Forest Station, N. of Glendora Comment
  RSA527760  Lithophragma maximum Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4318 Los Angeles San Clemente Island. East side of island, near Malo Point, second canyon south of Bryce Canyon. Comment
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Feb 20 2014
  CAS-BOT-BC174501  Loeflingia squarrosa Steve Boyd; Valentin Arvizu 2008-5-1 11962 Kern Sierra Nevada; Southern Sierra Nevada region: Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley 1463 Comment
  RSA593877  Loeflingia squarrosa Steve Boyd, David E. Bramlet 1996-4-19 8623 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, E base of rounded hill at the N end of California Avenue, N of Stetson Avenue 457 Comment
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Mar 20 2011
  UCR91645  Loeflingia squarrosa var. squarrosa Steve Boyd, D. L. Banks 1995-4-6 8436 San Diego Palomar Range, Palomar Range, Agua Tibia Wilderness Area, NE flank of Agua Tibia Mtn at the Crosley Homestead, north of Eagle Crag, near the gate along the old Crosley Road at the crossing of Arroyo Seco. 945 Comment
  RSA670043  Loeseliastrum matthewsii R. S. Boyd 1978-5-6 s.n. San Bernardino 5 miles north of Barstow. Comment
  UCR60933  Logfia arizonica Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3195 Riverside Peninsular Range, Vail Lake area, W end of bench on S flank of Oak Mtn. 549 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
  UCR91673  Logfia filaginoides Steve Boyd 1995-4-25 8500 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
  OBI64699  Logfia filaginoides Steve Boyd, Valentin Arzizu 2004-6-8 11484 Ventura Tranverse Ranges; Mount Pinos region: Topa Topa Mtns, Tar Crk, E of its confluence with Sespe Cyn near point where stream is crossed by Tar Crk Rd trl Comment
  SD152969  Lomatium dasycarpum Steve Boyd, Tim Ross 1992-5-6 7295 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. 700 Comment
  UC1611576  Lomatium dasycarpum subsp. dasycarpum Steve Boyd and Tim Ross 1994-3-23 8209 San Diego Poser Mountain SW Cuyamaca Mountains, Cleveland National Forest, Viejas Val (s slope, along Old Viejas Grade 0.7 mi e of Red Oak Rd, n edge of Valley,) 914 Comment
  RSA0105316  Lomatium lucidum Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4039 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA562804  Lomatium lucidum Steve Boyd, Timothy S. Ross 1992-5-20 7476 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
  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
  RSA524405  Lomatium vaginatum Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4095 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
  OBI37537  Lonicera subspicata Steve Boyd 1985-7-30 1062 San Diego Lower Cottonwood Canyon, near its confluence with De Luz Crk Comment
  RSA500127  Lonicera subspicata var. denudata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3684 Riverside Vail Lake area, benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  RSA500547  Lonicera subspicata var. denudata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3616 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, S of Hwy 79. 488 Comment
  UCR198254  Lotus argophyllus var. argophyllus Steve Boyd, Valentin Arvizu 2008-5-1 11957 Kern Southern Sierra Nevada Range, Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley 1463 Comment
  RSA602311  Lotus crassifolius var. crassifolius Steve Boyd, Lauren Raz 1997-6-17 9950 Los Angeles Liebre Mountains region: Upper northeastern flank of Burnt Peak, head of Fish Canyon watershead along Forest Service Road 7N23A. 1646 Comment
  RSA561596  Lotus crassifolius var. crassifolius Steve Boyd 1993-5-24 8165 Los Angeles Ridgeline SE of saddle leading to May Peak 1097 Comment
  UCR48394  Lotus hamatus Steve Boyd 1986-5-1 1795 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  UCR60258  Lotus hamatus Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3181 Riverside Peninsular Range, Vail Lake area; hills just to SW of the dam 488 Comment
  RSA527588  Lotus hamatus Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4415 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  RSA334630  Lotus heermannii Steve Boyd 1985-7-30 1080 San Diego Upper Cottonwood canyon, 3.6 mi. (by road) northwest of jtn of Tenaja Trail and De luz Rd. Comment
  UCR17999  Lotus heermannii Steve Boyd 1979-12-16 791216 04 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Whitewater Canyon 2.5 mi north of I-10 Comment
  RSA594303  Lotus heermannii var. heermannii Steve Boyd, Lauren Raz 1996-10-14 9069 Los Angeles Liebre Mountains region, north shore of Elizabeth Lake, Pine Canyon south of Portal Ridge at Angeles National Forest picnic area. 1000 Comment
  RSA599260  Lotus humistratus Steve Boyd, Lauren Raz 1997-3-31 9435 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
  RSA599524  Lotus humistratus Steve Boyd, A. C. Sanders, R. T. Hawke, Shaun Hawke, Susan Hobbs, Paul Hobbs 1997-4-20 9546 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
  RSA612147  Lotus humistratus Steve Boyd, Kent Hughes 1998-4-28 10204 Kern Southern Sierra Nevada, Piute Range: Jawbone Canyon, southeast of confluence with Hoffman Canyon, north base of Chuckwalla Mountain. 823 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
  RSA0018992  Lotus nevadensis Steve Boyd, Gary D. Wallace 2005-7-30 11657 -A 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
  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
  RSA593467  Lotus oblongifolius var. oblongifolius Steve Boyd, Michael Wall 1996-5-16 8784 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
  UCR225706  Lotus purshianus Steve Boyd, Valentin Arvizu 2008-8-19 12007 Kern Sierra Nevada; Southern Sierra Nevada region, Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley. 1390 Comment
  RSA525224  Lotus salsuginosus Steve Boyd, Laurel Arnseth, Yvonne Rasmussen, Hugo Cota, Bob Boyd 1990-5-3 4602 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  RSA543945  Lotus salsuginosus Steve Boyd, Orlando Mistretta, Bob Boyd 1991-5-9 6177 Riverside Santa Ana Mountains, lower flank of range along the Bedford Truck Trail on ridge between Bedford and McBribe Canyons. 549 Comment
  RSA543976  Lotus salsuginosus Steve Boyd 1991-5-10 6208 Riverside Santa Ana Mountains, base of range, just N of mouth of Hagador Cyn at bottom of Skyline Drive. 427 Comment
  UC1595587  Lotus salsuginosus var. salsuginosus Steve Boyd and Orlando Mistretta 1991-5-9 6177 Riverside on ridge between Bedford Canyon and McBribe Canyon (lower flank of range along the Bedford Truck Trail); Santa Ana Mountains 548 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
  UCR200325  Lotus scoparius var. brevialatus Steve Boyd 2007-4-20 11725 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
  RSA596434  Lotus scoparius var. scoparius Steve Boyd, Orlando Mistretta, Valerie Soza 1996-6-12 8856 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
  RSA495418  Lotus strigosus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2938 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA702260  Lotus strigosus Steve Boyd, Heidi Bigelow 2004-4-5 10837 San Diego Pine Hills area, between Magee Flat and Deadman Flat along Eagle Peak Rd. Comment
  RSA703079  Lotus strigosus Steve Boyd, Naomi Fraga 2004-4-27 10995 San Diego Hills north of Warner Springs, south of Indian Flats Campground of Cleveland National Forest along Road 9S05. Comment
  UCR200222  Lotus strigosus Steve Boyd, Valentin Arvizu 2008-5-1 11921 Kern Southern Sierra Nevada Range, Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley 1463 Comment
  UCR49222  Lotus strigosus Steve Boyd 1986-4-2 1601 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA515195  Lotus strigosus var. hirtellus Steve Boyd, Dave Bramlet, Bob Boyd 1986-6-9 1866 Tulare Chimney Creek Canyon side canyon So. Peak 7155 south of Chimney Creek Meadow Comment
  RSA457754  Lotus tomentellus Steve Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2121 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA522278  Lotus unifoliolatus Steve Boyd 1989-5-10 3588 San Bernardino City of Ontario, east side of Milliken Avenue, just north of entrance to County landfill. Comment
  UC1608265  Lotus wrangelianus Steve Boyd and Tim Ross 1992-5-20 7485 Orange Lucas Canyon at the Lucas Canyon Trail crossing, just downstream from crossing, w edge of the San Mateo Canyon Wilderness Area Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 320 Comment
  RSA360989  Lotus wrangelianus Steve Boyd 1986-4-2 1586 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA561799  Lupinus agardhianus Steve Boyd 1992-4-21 6964 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Southern flanks of Miller Moutain. 640 Comment
  RSA701222  Lupinus arizonicus Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11279 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
  CHSC32970  Lupinus bicolor D. Boyd; M. Eichelberger, T. Messick, T. Ranker 1980-5-3 66 Shasta Harrison Gulch, along Hwy 36 at the road to Deer Lick Springs. 822 Comment
  OBI70599  Lupinus bicolor Steve Boyd, Lauren Raz 1997-3-31 9446 Los Angeles Liebre Mtns Region: Knapp Ranch area at upper end of Castaic Crk drainage in broad alluvial valley at head of Cienaga Cyn, S of Liebre mtn. T7N R17W NE 1/4 sec 22 1158 Comment
  RSA583482  Lupinus bicolor Steve Boyd 1995-5-13 8512 Riverside Santa Ana Mountains, south of Elsinore Peak near intersection of road to radio towers on summit and trail following old Main Divide Road grade. 1037 Comment
  RSA701192  Lupinus bicolor Steve Boyd, Naomi Fraga 2004-4-27 10938 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
  SBBG96695  Lupinus bicolor S. Boyd with T. Ross, L. Arnseth 1990-4-7 4181 Los Angeles upper reaches of China Cyn Comment
  RSA527784  Lupinus bicolor subsp. microphyllus Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4348 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  HSC87134  Lupinus concinnus Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2117 Riverside N end of the Palen Mtns., 2 mi. W of Palen Pass 300 Comment
  RSA617366  Lupinus concinnus Steve Boyd, Richard K. Brummitt, Laura Moore 1998-5-26 10231 Los Angeles Liebre Mountains region: Warm Springs Mountain, knoll northwest of summit along road into Necktie Basin. 1133 Comment
  RSA701580  Lupinus concinnus Steve Boyd, Naomi Fraga 2004-4-27 10921 San Diego Warner Springs area, flats east of gliderport, near the Pacific Crest Trail, south of Highway 79. Comment
  SBBG132285  Lupinus concinnus S. Boyd, H. Bigelow 2004-4-5 10834 San Diego Pine Hills area, between Magee Flat and Deadman Flat along Eagle Peak Rd Comment
  SEINET8142291 Image available Lupinus concinnus S. Boyd 1991-1 6142 Unknown Comment
  UC1928521  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
  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
  RSA601335  Lupinus excubitus var. austromontanus Steve Boyd, Lauren Raz 1997-6-17 9959 Los Angeles Liebre Mountains region: Summit of Burnt Peak, generally to the northeast of the FAA site. 1706 Comment
  SD215536  Lupinus excubitus var. austromontanus Steve Boyd, Lauren Raz 1997-3-31 9424 Los Angeles Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienage Canyon, south of Liebre Mountain. 914 Comment
  UC1929563  Lupinus excubitus var. austromontanus Steve Boyd, Michael Denslow, Amber Maurice, Sarah Swartzentruber, Aydee Virgen 2003-6-27 10524 Tulare Sierra Nevada; Southern Sierra Nevada region; Chimney Peak Recreation Area, summit of northern high point on Bear Mountain (Bear Peak). 2509 Comment
  UCR204084  Lupinus excubitus var. austromontanus Steve Boyd, Michael Denslow, Amber Maurice, Sarah Swartzentruber, Aydee Virgen 2003-6-27 10524 Tulare Southern Sierra Nevada Range, Chimney Peak Recreation Area, summit of northern high point on Bear Mountain (Bear Peak) 2509 Comment
  GH395244  Lupinus excubitus var. austromontanus Steve Boyd, Michael Denslow, Amber Maurice, Sarah Swartzentruber & Aydee Virgen 2003-6-27 10524 Unknown Sierra Nevada; Southern Sierra Nevada region: Chimney Peak Recreation Area, summit of northern high point on Bear Mountain (Bear Peak) Comment
  RSA562549  Lupinus formosus var. formosus Steve Boyd 1993-4-22 7997 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
  RSA727110  Lupinus formosus var. formosus Steve D. Boyd, LeRoy Gross 2004-5-4 11096 San Diego Hills north of Warner Springs, north Indian Flats Campground of Cleveland National Forest along Road 9S05. 899 Comment
  UCR151953  Lupinus hirsutissimus Steve Boyd, Heidi Bigelow 2004-4-5 10820 San Diego Peninsular Ranges/ Cuyamaca-Laguna Mtns region, Pine Hills area, between Magee Flat and Deadman Flat along Eagle Peak Road Comment
  UCR21897  Lupinus hypolasius Steve Boyd 1980-8-8 s.n. Mono Sierra Nevada Mtns, Dana Plateau, Mount Dana 3659 Comment
  RSA501045  Lupinus sparsiflorus Steve D. Boyd 1989-4-1 3166 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  SD215539  Lupinus sparsiflorus Steve Boyd, Lauren Raz 1997-3-31 9393 Los Angeles Knapp Ranch area at upper end of Castiac Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain 914 Comment
  SEINET12898764 Image available Lupinus sparsiflorus S. D. Boyd 1990-1 4561 Unknown Comment
  SEINET12898771 Image available Lupinus sparsiflorus S. D. Boyd 1998-1 10093 Unknown Comment
  RSA525690  Lupinus sparsiflorus subsp. sparsiflorus Steve D. Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4561 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  RSA543760  Lupinus sparsiflorus subsp. sparsiflorus Steve D. Boyd, Tim S. Ross, Mike Hammitt 1991-5-2 6060 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
  SBBG53743  Lupinus succulentus S. Boyd 1980-5-8 Riverside Harford Springs County Park, on the NW corner of the Gavilan Plateau Comment
  RSA525461  Lupinus truncatus Steve D. Boyd, David E. Bramlet 1990-4-29 4507 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  RSA543168  Lupinus truncatus Steve D. Boyd, Tim S. Ross, Mike Hammitt 1991-5-2 6078 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
  RSA570747  Lupinus truncatus Steve D. Boyd, W. Appleby 1993-4-8 7966 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
  SBBG96986  Lupinus truncatus S. Boyd with T. Ross, L. Arnseth 1990-4-8 4345 Los Angeles near Malo Pt, second cyn S of Bryce Cyn Comment
  UC1979644  Lupinus truncatus Steve Boyd, D. L. Banks 1995-4-5 8427 Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain on the eastern edge of the Dripping Springs Alcove in tributary of Arroyo Seco, west off the lower Dripping Springs Trail, just south of the Wilderness boundary. Comment
  SEINET12899344 Image available Lupinus truncatus S. D. Boyd 1990-1 4205 Unknown 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
  RSA515464  Lycium andersonii Steve D. Boyd, C. Boyd 1987-4-12 1986 Inyo North end of Greenwater Valley, 3.2 miles S of Dante's View Road, just outside Death Valley National Monument area. Comment
  RSA525266  Lycium andersonii Steve D. Boyd 1990-5-3 4579 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  RSA525671  Lycium andersonii Steve D. Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4542 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  RSA735313  Lycium andersonii Steve D. Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, 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 US Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  UC1563047  Lycium andersonii Steve Boyd, Tim Ross, and Laurel Arnseth 1989-4-2 3225 Riverside sandstone ridge between Kolb Creek and Temecula Creek (forming peninsula at sw end of Vail Lake, ne end of peninsula); Vail Lake Area Comment
  UCR71162  Lyonothamnus floribundus subsp. aspleniifolius Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4403 Los Angeles Channel Islands, San Clemente Island: east side of island, Bryce Canyon near Malo Point Comment
  RSA575859  Machaeranthera asteroides var. asteroides Steve Boyd 1980-9-22 s.n. Riverside Lakeview Mountains, Juniper Flats area along Juniper Flats Rd. at '4 J's Ranch.' Comment
  UCR95504  Madia elegans subsp. elegans Steve Boyd, M. Elvin, Victoria Jotikasthira 1996-6-25 8883 Los Angeles San Gabriel Mtns., along summit of Liebre Mtn, east of the head of Bear Canyon, at the intersection of dirt track leading to Bear Camp and 7N23 1646 Comment
  CAS-BOT-BC344483  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 731 Comment
  RSA562434  Madia exigua Steve Boyd, Timothy S. Ross 1992-5-6 7270 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
  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
  RSA526489  Madia gracilis Steve Boyd, Timothy S. Ross 1990-5-11 4686 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
  RSA727300  Madia gracilis Steve Boyd, Tammy Morgan 2004-5-11 11201 Ventura Mount Pinos region: Topa Topa Mountains, east of Sespe Canyon near upper end of Tar Creek Road (and trail). Comment
  RSA0008554  Mahonia nevinii Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 3001 Riverside Vail Lake area, Temecula Creek Cyn below Vail Lake Dam 457 Comment
  UCR37477  Malacothamnus densiflorus Steve Boyd 1981-2-9 s.n. Riverside Gavilan Hills, Steele Valley, south of groves and communication site 640 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
  GH420512  Malacothamnus fremontii S. D. Boyd & L. Raz 1997-5-29 9934 Unknown 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. Near 34 deg 45' 15.2N deg 37' 52.8W. T8N R17W 1097 Comment
  SD136903  Malacothrix clevelandii Steve Boyd 1992-4-14 6837 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. 340 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
  RSA515458  Malacothrix coulteri Steve Boyd, Carol Boyd 1987-4-12 1979 Inyo North end of Greenwater Valley, 3.2 miles S of Dante's View Rd. just outside Death Valley National Monument. Comment
  RSA611296  Malacothrix coulteri Steve Boyd 1998-4-1 10146 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
  RSA612106  Malacothrix coulteri Steve Boyd, Kent Hughes 1998-5-5 10183 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
  RSA612086  Malacothrix glabrata Steve Boyd, Kent Hughes 1998-4-28 10222 Kern Southern Sierra Nevada, Piute Range: Jawbone Canyon, southeast of confluence with Hoffman Canyon, north base of Chuckwalla Mountain. 823 Comment
  RSA570724  Malacothrix saxatilis var. tenuifolia Steve Boyd, Timothy S. Ross, J. Travis Columbus 1993-10-23 8191 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Morrell Canyon along Morgan Trail (5W02). 878 Comment
  UCR40136  Malvella leprosa Steve Boyd 1985-8-7 1120 Riverside Santa Rosa Plateau, Murrieta area, Clinton Keith Rd. near (just east of) Bear Creek golf course Comment
  RSA522725  Marah macrocarpa Bob Boyd 1990-3-29 3830 Riverside Vail Lake Area, cinder cone ridge at N side of the Mouth of Temecula Creek Cyn and adjacent benches on S flank ofBig Oak Ntb, 396 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
  RSA570699  Marah macrocarpa Steve Boyd 1993-4-8 7955 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
  UCR151983  Marah macrocarpa Steve Boyd, Heidi Bigelow 2004-4-5 10822 San Diego Peninsular Ranges/ Cuyamaca-Laguna Mtns region, Pine Hills area, between Magee Flat and Deadman Flat along Eagle Peak Road Comment
  RSA727302  Marrubium vulgare Steve Boyd, Tammy Morgan 2004-5-11 11203 Ventura Topa Topa Mountains, east of Sespe Canyon near upper end of Tar Creek Road (and trail). Comment
  UCR22046  Marrubium vulgare Steve Boyd 1980-5-11 238 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
  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
  RSA593446  Matricaria matricarioides Steve Boyd 1996-4-24 8647 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
  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
  RSA559433  Meconella denticulata Steve Boyd 1992-4-15 6859 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  SD152792  Meconella denticulata Steve Boyd 1992-4-15 6859 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Bluewater Canyon along Bluewater Trail downstream to the confluence with San Mateo Creek. 334 Comment
  OBI37484  Medicago polymorpha Steve Boyd 1985-7-23 1008 Riverside De Luz Rd, 7 mi W of Rancho California 366 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
  RSA335019  Medicago sativa Steve D. Boyd 1985-7-23 1007 Riverside De Luz Rd., 5.5 miles west of Rancho California. 396 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
  SD152986  Melica imperfecta Steve Boyd, Tim Ross, Mike Wall 1992-6-4 7535 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Devil Canyon at the confluence with Miller Creek Common in understory of mesic chaparral, oak woodland and on dry, open benches. 536 Comment
  UCR151960  Melica imperfecta Steve Boyd, Aydee Virgen 2004-4-13 10852 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja 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
  RSA520731  Melica stricta Steve Boyd, D. E. Bramlet 1986-6-9 1913 Tulare Chimney Creek Canyon, S. flank peak 7155, S of Chimney Meadow.Southern Sierra Nevada Mountains, Chimney Creek Canyon at Chimney Meadow, N base peak 7155. 1982 Comment
  RSA600047  Melica stricta Steve Boyd, Lauren Raz 1997-5-20 9802 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
  SD215544  Melilotus indicus Steve Boyd, Lauren Raz & Timothy S. Ross 1997-4-1 9474 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
  UCR160046  Melilotus indicus Steve Boyd, V. Arvizu 2004-6-8 11532 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
  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
  RSA593471  Mentha canadensis Steve Boyd, Mike Wall 1996-5-16 8780 Los Angeles Liebre Mountains, confluence of Ruby Canyon and Elizabeth Lake Canyon at northwest end of Red Mountain. 585 Comment
  RSA543849  Mentha spicata Steve Boyd, Orlando Mistretta 1991-5-22 6315 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 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
  UC1595626  Mentzelia affinis Steve Boyd and Dave Bramlet 1991-5-13 6257 Riverside ESE. Vicinity of ultramafic outcrop on ridge top S of S-end of Warren Rd. Winchester; Domenigoni Hills, N Side of Domenigoni-Diamond Valleys 548 Comment
  RSA696626  Mentzelia congesta Steve Boyd, Michael Denslow, Amber Maurice, Sarah Swartzentruber, Aydee Virgen 2003-6-27 10547 Tulare Chimney Peak Recreation Area, summit of northern high point on Bear Mountain (Bear Peak). 2509 Comment
  RSA701220  Mentzelia involucrata Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11276 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
  UCR68714  Mentzelia involucrata Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4567 Riverside Agua Tibia Mtns., Vail Lake area, steep SE flank of Oak Mountain, above NE end of lake. 549 Comment
  RSA457790  Mentzelia involucrata var. megalantha Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Tim S. Ross 1988-3-10 2208 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  RSA526513  Mentzelia micrantha Steve Boyd, T. S. Ross 1990-5-11 4707 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  RSA583738  Mentzelia micrantha Steve Boyd 1995-4-24 8493 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
  UCR65298  Mentzelia micrantha Steve Boyd, T. S. Ross, K. A. Boyd 1989-6-24 3756 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
  UCR22118  Mentzelia montana Steve Boyd 1980-5-15 279 Riverside Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan plateau 625 Comment
  CAS-BOT-BC170873  Mentzelia veatchiana Steve Boyd; Andrew C. Sanders; R. T. Hawke; Shaun Hawke; Susan Hobbs; Paul Hobbs 1997-4-20 9578 Kern Pleito Hills region, San Emigidio Ranch, ridge on west side of Pleito Canyon, approximately 4.5 air miles due north of Antimony Peak - San Emigidio Range 1219 Comment
  OBI70984  Mentzelia veatchiana Steve Boyd, Lauren Raz 1997-4-16 9507 Los Angeles Liebre Mts Region: Lower Apple Cyn, due E of the confluence of Canada de Los Alamos (Lower Hungry Valley) and Peace Valley and I-5 853 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
  RSA599799  Mentzelia veatchiana Steve D. Boyd, Lauren Raz 1997-3-25 9291 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
  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
  SD152753  Micranthes californica Steve Boyd, Tim Ross 1992-3-3 6709 San Diego Santa Ana Mountains: San Mateo Canyon Wilderness Area. Miller Canyon on the south bas and flank of Miller Mountain from 8S02 upstream to the eastern summit area 640 Comment
  RSA543587  Micropus californicus Steve Boyd, Laurel Arnseth, Orlando Mistretta 1991-5-6 6139 Riverside Santa Ana Mountains, S side of Elsinore Peak. 1037 Comment
  RSA562102  Micropus californicus Steve Boyd 1992-4-14 6804 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
  SEINET270124  Micropus californicus Steve Boyd 1992-4-21 6977 San Diego San Mateo Canyon Wilderness Area ; Southern Santa Ana Mountains Southern flanks of Miller Mountain Comment
  HSC65998  Micropus californicus var. californicus D. Boyd, M. Eichelberger, Tim Messick, T. Ranker 1980-4-20 44 Colusa Leesville Rd. from Leesville to Williams, 3.8 mi. E of Leesville. Comment
  UCR77588  Microseris douglasii subsp. douglasii Steve Boyd, L. Arnseth, O. Mistretta 1991-5-6 6145 Riverside Peninsular Range; Santa Ana Mountains, south side of Elsinore Peak 1067 Comment
  UCR77769  Microseris douglasii subsp. douglasii Steve Boyd, D. E. Bramlet 1991-5-13 6233 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
  UCR79361  Microseris douglasii subsp. douglasii Steve Boyd 1992-4-18 6896 Riverside Perris-Aguanga Basin region, Paloma Valley, between Sun City and Murrieta, east of Hwy 215; just SW of the junction of Briggs Road and Scott Road 457 Comment
  RSA500096  Microseris douglasii subsp. platycarpha Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-2 3214 Riverside Vail Lake Area, W end of bench on S flank of Oak Mt. 518 Comment
  RSA543593  Microseris douglasii subsp. platycarpha Steve Boyd, Orlando Mistretta, Laurel Arnseth 1991-5-6 6145 Riverside Santa Ana Mts., S side of Elsinore Peak. 1036 Comment
  RSA571304  Microseris elegans Steve Boyd, Darin Banks, J. Mark Porter, Vanessa Ashworth, Gery Allan 1994-4-6 8295 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of Cleveland National Forest, flats south of the summit of Miller Mountain, head of Miller Creek watershed 811 Comment
  RSA524438  Microseris heterocarpa Steve Boyd, Timothy S. Ross, Laurel Arnseth, Jaime Bonilla 1990-4-3 4054 Riverside Vail Lake area, summit of Big Oak Mountain at E end 793 Comment
  RSA560362  Microseris heterocarpa Steve Boyd 1992-4-14 6819 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
  RSA611846  Microseris heterocarpa Steve Boyd, Valerie Soza 1998-4-28 10166 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. 536 Comment
  RSA527767  Microseris heterocarpa Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-8 4332 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  UCR148358  Microseris lindleyi Steve Boyd, Lisa Rojas 2004-5-26 11384 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
  RSA527652  Microseris lindleyi Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-4-8 4373 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. 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
  RSA597994  Microsteris gracilis Steve Boyd, Lauren Raz 1997-3-14 9166 Los Angeles Liebre Mountains, lower north flank of Liebre Mountain, eastern slope of Horse Camp Canyon. 1389 Comment
  SD181403  Microsteris gracilis Steve Boyd, Valerie Soza 2001-3-27 10322 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
  UCR160031  Mimulus aurantiacus Steve Boyd, V. Arvizu 2004-6-8 11502 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
  RSA527594  Mimulus aurantiacus var. parviflorus Steve Boyd, Tim S. Ross, L. Arnseth 1990-4-8 4421 Los Angeles San Clemente Island: E side of canyon, Bryce Canyon near Malo Point. Comment
  RSA527746  Mimulus aurantiacus var. parviflorus Steve Boyd, Tim S. Ross, L. Arnseth 1990-4-8 4312 Los Angeles San Clemente Island: east side of the island, near Malo Point, 1st canyon south of Bryce Canyon. Comment
  RSA517928  Mimulus aurantiacus var. puniceus Steve Boyd 1986-3-1 1362 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park 640 Comment
  UC1563089  Mimulus aurantiacus var. puniceus Steve Boyd 1986-3-1 1362 Riverside 1/4 mi s Harford Springs County Park; Gavilan Plateau, Gavilan Hills 640 Comment
  UCR48411  Mimulus brevipes Steve Boyd 1986-4-22 1737 Riverside Temescal Canyon, Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mountain and Gavilan Hills 427 Comment
  RSA561414  Mimulus cardinalis Steve Boyd, Tim S. Ross, Dave Bramlet 1992-9-9 7679 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
  SEINET11262501  Mimulus cardinalis Steve Boyd, Tim Ross; Dave Bramlet 1992-9-9 7679 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 confluence of Los Alamos Creek, up the San Mateo Trail north to Potrero de la Cienega. Top of Tenaja Falls.; 0 396 Comment
  RSA525697  Mimulus diffusus Steve Boyd, Tim S. Ross 1990-5-11 4635 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
  UCR21524  Mimulus floribundus 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
  UCR21945  Mimulus floribundus Steve Boyd 1980-5-3 186 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  HSC85392  Mimulus fremontii Steve Boyd 1986-4-19 1698 Riverside Temescal Canyon, E side of Indian wash between I-15 and Temescal Canyon Rd. Comment
  RSA515170  Mimulus fremontii Steve Boyd, O. Mistretta 1986-3-31 1552 Los Angeles Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. 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
  SBBG122668  Mimulus guttatus S. Boyd, V. Arvizu 2008-5-1 11955 Kern lower Esperanza Cyn at E base of Sorrell Peak and W edge of Kelso Valley; Piute Mtns 1372 Comment
  UC1595588  Mimulus parishii Steve Boyd, Tim Ross 1991-6-8 6327 Riverside near Ribbonwood (e side of small hill n of Hwy 74); San Jacinto Mtns., Pinyon Flats area Comment
  UCR77570  Mimulus rubellus Steve Boyd, T. S. Ross 1991-6-8 6329 Riverside San Jacinto Mtns., Pinyon Flats area near Ribbonwood. White calcareus outcrop forming small hill north of Hwy 74 Comment
  CAS-BOT-BC388775  Minuartia douglasii Steve Boyd; Tim Ross; Dave Bramlet 1993-5-12 7340 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 426 Comment
  CAS-BOT-BC388795  Minuartia douglasii Steve Boyd; LeRoy Gross 2004-5-4 11037 San Diego Peninsular Ranges; Anza Bench region: Hills north of Warner Springs, Indian Flats Campground of Cleveland National Forest along Road 9S05 Comment
  RSA543767  Minuartia douglasii Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6027 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain 3 miles N Highway 79, 1 mile W of Highway 371, N of Aguanga. 600 Comment
  RSA520976  Mirabilis bigelovii Steve Boyd 1990-10-4 5217 San Bernardino New York Mountains, Eastern Mojave Desert. Upper part of Carruther s Canyon on slopes and ridgetops. Comment
  UCR108179  Mirabilis bigelovii var. bigelovii Steve Boyd, Kent Hughes 1998-4-28 10224 Kern Southern Sierra Nevada, Piute Range, Jawbone Canyon. southeast of confluence with Hoffman Canyon, north base of Chuckwalla Mountain 866 Comment
  SBBG96691  Mirabilis californica S. Boyd with T. Ross, L. Arnseth 1990-4-7 4187 Los Angeles upper reaches of China Cyn Comment
  OBI37472  Mirabilis jalapa Steve Boyd 1985-8-18 1125 Alameda Fremont, plaground of John Blacow Elementary School and adj park Comment
  RSA0027991  Mirabilis laevis var. crassifolia Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4085 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
  RSA726154  Mirabilis laevis var. retrorsa Steve Boyd, Tammy Morgan 2004-3-30 10691 San Bernardino Southern end of the Cady Mountains northwest of Ludlow (north of Interstate 40) about hill topped with communication towers. 1006 Comment
  RSA457753  Mirabilis laevis var. villosa Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Tim S. Ross 1988-3-10 2112 Riverside N. end Palen Mountains, 2 miles west of Palen Pass. 300 Comment
  CAS-BOT-BC434883  Mirabilis multiflora var. pubescens Steve Boyd 1991-9-8 6434 Riverside Aguanga Valley, sandy wash of Temecula Creek, S of Hwy 79 at jtn with Hwy 371. 600 Comment
  RSA517956  Mirabilis multiflora var. pubescens Steve Boyd 1990-10-4 5188 San Bernardino Pass between Vontrigger Hills and Hackberry Mountains, E side of Lanfair Rd., 11 miles N of jct. with Goffs Rd. Comment
  RSA0013560  Modiola caroliniana Steve Boyd, R. E. Riefner 2007-4-27 11737 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
  UCR224022  Modiola caroliniana Steve Boyd, Rick Riefner 2007-4-27 11737 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
  RSA0009183  Mohavea breviflora Steve D. Boyd, Tim S. Ross, Walter Appleby 1993-3-18 7786 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
  RSA703255  Mohavea confertiflora Steve D. Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11303 Imperial 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. 434 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
  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
  RSA0022770  Monardella linoides subsp. erecta Steve Boyd, Valerie Soza, Kazuyuki Kashiwase 1998-7-1 10237 San Bernardino San Bernardino Mountains: North base of Blackhawk Mountain, southwest of Round Mountain. 1463 Comment
  CAS-BOT-BC349787  Monoptilon bellioides Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2126 Riverside N. end Palen Mtns, 2 mi west of Palen Pass 300 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
  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
  CHSC32930  Montia parvifolia D. Boyd; M. Eichelberger, T. Messick, T. Ranker 1980-5-24 79 Del Norte Jeffrey Pine-Quercus vaccinifolia woodland on serpentine. 637 Comment
  RSA593891  Muhlenbergia asperifolia Steve Boyd 1996-4-24 8664 Los Angeles Liebre Mountains, West Fork Liebre Gulch in narrow side canyon to the east. 1012 Comment
  RSA559312  Muhlenbergia microsperma Steve Boyd, Dave Bramlet 1992-5-13 7376 Riverside San Mateo Canyon Wilderness Area; Wildhorse Canyon from confluence with Los Alamos Canyon upstream approx. 1 mile. 412 Comment
  SD136953  Muhlenbergia microsperma Steve Boyd, T. Ross, D. Bramlet 1993-5-13 7376 Riverside San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile 1349 Comment
  UC1584090  Muhlenbergia microsperma Steve Boyd 1990-10-3 5142 San Bernardino se base of mts w Kelbaker Rd.; Granite Mtns Comment
  SBBG118894  Muhlenbergia porteri S. Boyd with S. Vanderplank, V. Arvizu 2004-10-13 11605 San Bernardino Ivanpah Valley, upper bajada at NE base of the Ivanpah Mtns, S of Interstate 15 Comment
  RSA518014  Muilla maritima Steve Boyd, Orlando Mistretta 1986-3-31 1550 Los Angeles Mojave Desert: Highway 138, 4 miles E of junction with Highway 18 NE of Pinyon Hills. Comment
  SBBG96969  Munzothamnus blairii S. Boyd with T. Ross, L. Arnseth 1990-4-8 4313 Los Angeles near Malo Pt, first cyn S of Bryce Cyn, below Malo Benchmark Comment
  UCR107805  Myosurus minimus Steve Boyd, Kent Hughes 1998-5-5 10179 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
  SEINET8146388 Image available Najas marina S. Boyd 1889-1 3761 Unknown Comment
  RSA731239  Nama californica Steve Boyd, Valentin Arvizu 2008-5-1 11925 Kern Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley. 1372 Comment
  RSA388041  Nama hispida var. revoluta Steve Boyd 1986-2-6 1216 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
  UC1563059  Nama hispida var. spathulata Steve Boyd and Orlando Mistretta 1986-3-31 1562 Los Angeles 4 mi e Highway 138 junction with Highway 18 (ne of Pinyon Hills); Mojave Desert Comment
  UCR94483  Narcissus tazetta Steve Boyd 1981-2-2 s.n. Riverside Gavilan Hills, upper Arroyo del Toro along old road grade (Lindell Rd.) west of Bull Canyon Road, at old homestead site 610 Comment
  RSA388335  Nassella lepida Steve Boyd 1986-5-7 1828 San Diego De Luz Canyon: Along De Luz-Murrieta Road and De Luz Creek. 150 Comment
  RSA575823  Nassella lepida Steve Boyd 1981-4-29 s.n. Riverside Gavilan Hills region, norhteastern edge of the Gavilan Plateau on bouldery ridge (2427') to N of flats. Comment
  RSA526636  Nassella pulchra Steve Boyd 1990-4-7 4229 Los Angeles San Clemente Island. Lower half of China Canyon, S end of island, W side. Comment
  SBBG96837  Nassella pulchra S. Boyd with T. Ross, L. Arnseth 1990-4-7 4199 Los Angeles upper reaches of China Cyn Comment
  RSA335181  Nasturtium officinale Steve Boyd, Karlin G. Marsh 1985-6-11 1143 San Bernardino San Bernardino Mountains. Bear Valley area. North shore of Baker Lake, about 1 mile east of the Stanfield Cut-off. 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
  RSA600542  Nasturtium officinale Steve Boyd, Lauren Raz 1997-5-28 9858 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
  RSA515450  Nasturtium officinale Steve Boyd, D. E. Bramlet 1986-6-9 1950 Tulare Southern Sierra Nevada Mountains, Chimney Creek Canyon at Chimney Meadow, N base peak 7155. 1860 Comment
  RSA544297  Navarretia atractyloides Steve Boyd, T. S. Ross 1991-6-14 6350 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
  RSA535393  Nemacladus calcaratus Steve Boyd, Dave Bramlet 1986-6-9 1931 Tulare Chimney Creek Canyon, N slope Peak 7155, S Chimney Meadow. 2073 Comment
  RSA480009  Nemacladus glanduliferus var. orientalis Steve Boyd, S. Meury, L. Arnseth, D. Nordin, Tim Ross 1988-3-10 2134 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  SEINET1869527 Image available Nemacladus longiflorus var. longiflorus Steve Boyd 1986-1 1700 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road. Comment
  UCR199805  Nemacladus pinnatifidus Steve Boyd, Lisa Rojas 2004-5-26 11383 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
  RSA543863  Nemacladus ramosissimus Steve Boyd, D. E. Bramlet 1991-5-13 6251 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
  SEINET10460965  Nemacladus sigmoideus Boyd 1988-4-8 BOYD 1622 San Bernardino Ord Mountain, north of Lucerne Valley. 10 miles north of the Bear Valley road on Camp Rock road 1372 Comment
  UCR49231  Nemophila menziesii Steve Boyd 1980-5-8 1610 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 625 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
  RSA592849  Nemophila menziesii var. integrifolia Steve Boyd, Orlando Mistretta 1996-5-1 8744 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
  RSA598872  Nemophila menziesii var. menziesii Steve Boyd, T. S. Ross 1997-3-21 9238 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. 1195 Comment
  RSA544378  Nicotiana bigelovii var. wallacei Steve D. Boyd, Tim S. Ross 1991-6-14 6393 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
  LA45889  Nicotiana glauca Leo Boyd; 1953-3-29 sn Los Angeles SANTA MONICA MOUNTAINS, University of California, Los Angeles, Westwood. Faculty Hill (Veteran Ave and Sunset Blvd). 160 Comment
  RSA500111  Oenothera californica subsp. californica Steve Boyd, T. S. Ross, L. Arnseth 1989-6-10 3661 Riverside Vail Lake area, Temecula Creek canyon below the dam. 457 Comment
  RSA562058  Oenothera deltoides subsp. deltoides Steve Boyd, C. Boyd, K. A. Boyd 1992-4-19 6926 Riverside N end of the Granite Mtns on sandy bajada along poweline road near jtn of Hwy 177 and Hwy 62. Area of transition between Mojave and Colorado Deserts. Comment
  HSC87167  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. W of Palen Pass 300 Comment
  SBBG87722  Oligomeris linifolia S. Boyd with R. Noyes, L. Arnseth, T. Ross 1988-3-10 2128 Riverside N end of Palen Mtns, 2 mi W of Palen Pass 300 Comment
  UCR200768  Oligomeris linifolia Steve Boyd, LeRoy Gross 2008-4-11 11855 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
  UCR51934  Oligomeris linifolia Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, et al. 1988-3-10 2128 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  OBI82098  Oncosiphon piluliferum Steve D. Boyd 2006-5-11 11659 Los Angeles Transverse Ranges; San Gabriel Mountains region; Alluvial fan below San Antonio Canyon at southern base of the range, just west of Los Angeles/San Bernardino County line along north margin of the west-bound 210 Freeway at Monte Vista/Baseline Ave off-ramp. 488 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
  GH403346  Oncosiphon piluliferum S. D. Boyd 2006-5-11 11659 Unknown Transverse Ranges; San Gabriel Mountains region: Alluvial fan below San Antonio Canyon at southern base of the range, just west of Los Angeles/San Bernardino County line along north margin of the west-bound 210 Freeway at Monte Vista/Baseline Ave off-ramp Comment
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Feb 1 2018
  RSA543162  Opuntia basilaris Steve Boyd, Timothy S. Ross, Mike Hammit 1991-5-2 6092 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
  SD230193  Opuntia basilaris var. basilaris Steve Boyd, Lauren Raz 1997-6-18 9976 Los Angeles Liebre Mountains region: Portal Ridge, open ridline about junction of Juday Truck Trail and Troedel Motorway, south of Trodel Spring. 1182 Comment
  SD152895  Opuntia ficus-indica Steve Boyd, Tim Ross 1992-5-20 7465 Orange Southern Santa Ana Mtns, San Mateo Cyn Wilderness Area,western edge of wilderness in Lucas Cyn, along cyn floor from crossing of Lucas Cyn Trail,upstream Ao mile to spur trail leading to old mining habitations in side cyn.About old homesteads. (IPB 9/07) 305 Comment
  RSA388329  Opuntia vaseyi Steve Boyd 1986-5-7 1835 Riverside Temescal Canyon: Edge of Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. 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
  CAS-BOT-BC502618  Orobanche bulbosa Steve Boyd; Lauren Raz 1997-3-25 9320 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 NE of Knapp Ranch 1280 Comment
  RSA0078554  Orobanche cooperi subsp. cooperi Steve Boyd 1986-2-6 1226 Imperial Cargo Muchacho Mts.; large canyon at SE end of mountains, 5.4 miles NE of I-8 off Sidewinder Road and Power-line Road. Comment
  RSA593435  Orobanche fasciculata Steve Boyd, Mark A. Elvin, Victoria Jotikasthira 1996-6-25 8889 Los Angeles Liebre Mountains, along summit of Sawmill Mountain, west of Sawmill Camp and just north of 7N23. 1610 Comment
  RSA560836  Orthocarpus purpurascens Steve D. Boyd, Tim S. Ross 1992-5-4 7186 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  UCR204092  Oryzopsis hymenoides Steve Boyd, Michael Denslow, Amber Maurice, Sarah Swartzentruber, Aydee Virgen 2003-6-27 10562 Tulare Southern Sierra Nevada Range, Chimney Peak Recreation Area, summit of northern high point on Bear Mountain (Bear Peak) 2509 Comment
  HSC85288  Osmadenia tenella Steve Boyd 1986-5-1 1794 Riverside SW Perris Basin, Hill W of Skunk Hollow, Skunk Hollow vernal pool Comment
  UCR91632  Osmorhiza chilensis Steve Boyd, Darin Banks 1995-4-6 8441 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
  SD136804  Oxalis corniculata Steve Boyd, Tim Ross 1992-5-5 7258 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wildeerness Area. Oak Flats along Serrano Spsring drainage between Lucas Canyon Trail and junction of Bluewater and Verdugo Trails. 730 Comment
  UCR21882  Oxytheca perfoliata Steve Boyd 1980-5-25 s.n. Inyo Northern Mojave Desert, Junction of 190 and Saline Valley Rd., Santa Rosa flat 1489 Comment
  RSA701729  Oxytheca trilobata Steve Boyd, LeRoy Gross 2004-5-4 11072 San Diego Hills north of Warner Springs, north Indian Flats Campground of Cleveland National Forest along Road 9S05. 899 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
  RSA601331  Oxytheca trilobata Steve Boyd, Lauren Raz 1997-6-17 9965 Los Angeles Liebre Mountains region: Western end of Sawmill Mountain at saddle between Fish Canyon and first canyon west of Sawmill Canyon, along Forest Service road 7N23, ca. 0.7 road miles east of junction with 7N19., At the point where fuelbreak crosses the road. 1549 Comment
  RSA500066  Paeonia californica Steve Boyd, Tim S. Ross, L. Arnseth 1989-4-2 3245 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 426 Comment
  UCR151380  Paeonia californica Steve Boyd, Lisa Rojas 2004-5-26 11362 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
  RSA387396  Palafoxia arida var. arida Steve Boyd 1986-2-6 1264 Imperial Sonoran (Colorado) Desert Cargo Muchacho Mts. Plains east of mountains, powerline road, 2.9 mi west of Picacho Rd. Comment
  SD217341  Papaver californicum Steve Boyd, Tim Ross 1990-5-11 4629 Riverside Vail Lake area, base of Agua Tibia Mountain, east of Dripping Springs campground of Cleveland National Forest, South of Highway 79. 548 Comment
  CAS-BOT-BC272326  Pappostipa speciosa Steve Boyd; LeRoy Gross 2004-5-4 11027 San Diego Hills north of Warner Springs, north Indian Flats Campground of Cleveland National Forest along Road 9S05, Anza Bench region, Peninsula Ranges 899 Comment
  SD217393  Parietaria hespera Steve Boyd, Tim Ross and Laurel Arnseth 1990-4-8 4297 Los Angeles San Clemente Island. East side of island, near Malo Point, first canyon south of Bryce Canyon. Comment
  RSA522712  Parietaria hespera var. californica Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3898 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
  SBBG96801  Parietaria hespera var. californica S. Boyd with T. Ross, L. Arnseth 1990-4-7 4241 Los Angeles lower half of China Cyn Comment
  RSA527729  Parietaria hespera var. hespera Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-4-8 4297 Los Angeles San Clemente Island: east side of the island, near Malo Point, 1st canyon south of Bryce Canyon. Comment
  RSA0028397  Pectocarya heterocarpa Steve Boyd, Michael Denslow 2004-3-23 10679 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
  RSA517909  Pectocarya heterocarpa Steve Boyd, T. S. Elias, Erika Winter 1986-2-18 1314 Riverside Mecca Hills, Colorado Desert: Painted Canyon N of Highway 195. Comment
  RSA517922  Pectocarya heterocarpa Steve Boyd, B. Roy, T. S. Elias, S. Meury, S. Zona 1986-3-5 11348 San Diego De Luz Canyon: Along De Luz-Murrieta Road and De Luz Creek. 150 Comment
  RSA543183  Pectocarya heterocarpa Steve Boyd 1991-3-17 5476 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
  RSA562057  Pectocarya heterocarpa Steve Boyd, K. A. Boyd, C. Boyd 1992-4-19 6927 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
  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
  RSA524224  Pectocarya linearis subsp. ferocula Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4018 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA525683  Pectocarya linearis subsp. ferocula Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4553 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
  RSA527768  Pectocarya linearis subsp. ferocula Steve Boyd, Tim Ross, Laurel Arnseth 1990-4-8 4331 Los Angeles San Clemente Island: E side of island, Bryce Cyn near Malo Point. Comment
  UCR49252A  Pectocarya linearis var. ferocula Steve Boyd 1986-3-9 1385 A Riverside Peninsular Range, Temescal Canyon: Alberhill Mtn., south slope of mtn., just east of claymine area 488 Comment
  RSA543783  Pectocarya penicillata Steve Boyd, Tim Ross, Mike Hammitt 1991-5-2 6040 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
  RSA597779  Pectocarya penicillata Steve Boyd, Lauren Raz 1997-3-14 9173 Los Angeles Liebre Mountains, lower southeastern flank of Bald Mountain, near head of Liebre Gulch, due west of Sandberg. 1213 Comment
  RSA599786  Pectocarya penicillata Steve Boyd, Lauren Raz 1997-3-25 9279 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
  RSA701582  Pectocarya penicillata Steve Boyd, Naomi Fraga 2004-4-27 10924 San Diego Warner Springs area, flats east of gliderport, near the Pacific Crest Trail, south of Highway 79. Comment
  RSA0028393  Pectocarya platycarpa Steve Boyd 2007-10-29 11798 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
  RSA517819  Pectocarya platycarpa Steve Boyd, Orlando Mistretta 1986-3-13 1436 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
  RSA570373  Pectocarya platycarpa Steve Boyd, Tim Ross, W. Appleby 1993-3-19 7817 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
  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
  RSA496356  Pectocarya recurvata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-19 3030 Riverside Vail Lake area, 0.5 mi WNW of dam, S flank Oak Mountain. 549 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
  UCR49252B  Pectocarya recurvata Steve Boyd 1986-3-9 1385 B Riverside Peninsular Range, Temescal Canyon: Alberhill Mtn., south slope of mtn., just east of claymine area 488 Comment
  UCR60255  Pectocarya recurvata Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3198 Riverside Peninsular Range, Vail Lake area, W end of bench on S flank of Oak Mtn. 549 Comment
  RSA543594  Pectocarya setosa Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6146 Riverside Santa Ana Mountains, S side of Elsinore Peak. 1037 Comment
  RSA599267  Pectocarya setosa Steve Boyd, Lauren Raz 1997-3-31 9441 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
  RSA730913  Pectocarya setosa Steve Boyd, Valentin Arvizu 2008-5-1 11902 Kern Southern Sierra Nevada region: Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley. 1372 Comment
  RSA701588  Pedicularis densiflora Steve D. Boyd 2004-4-15 10900 Los Angeles Rowher Flats area, near off-highway vehicle staging areas at end of Angeles National Forest road 5N14. Comment
  RSA701760  Pellaea mucronata Steve Boyd, LeRoy Gross 2004-5-4 11088 San Diego Hills north of Warner Springs, north Indian Flats Campground of Cleveland National Forest along Road 9S05. 899 Comment
  RSA524223  Pellaea mucronata var. mucronata Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4017 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA678882  Pennisetum setaceum Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10451 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
  RSA701175  Penstemon X parishii Steve D. Boyd, Lisa Rojas 2004-5-26 11349 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
  NY758502  Penstemon centranthifolius S. Boyd 2004-5-18 11308 Los Angeles Transverse Ranges: Liebre Mountains region: Atmore Meadows area Comment
  OBI66301  Penstemon centranthifolius Steve Boyd, Amber Maurice 2004-5-18 11308 Los Angeles Transverse Ranges; Liebre Mts region: Atmore Meadows area Comment
  RSA599254  Penstemon centranthifolius Steve D. Boyd, Lauren Raz 1997-3-31 9429 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
  RSA735631  Penstemon eatonii var. eatonii Steve D. Boyd, Tammy Morgan 2004-6-1 11421 San Bernardino Clark Mountains, western flank of the range in large canyon south of Pachalka Spring. 1433 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
  RSA702006  Penstemon heterophyllus Steve D. Boyd, Valentin Arvizu 2004-6-8 11503 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
  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
  RSA562473  Pentagramma triangularis subsp. triangularis Steve Boyd, Timothy S. Ross 1992-5-6 7273 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. 640 Comment
  RSA701797  Pentagramma triangularis subsp. triangularis Steve Boyd, Heidi Bigelow 2004-4-5 10782 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
  RSA735787  Pentagramma triangularis subsp. triangularis Steve Boyd 2007-2-17 11716 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
  RSA0060257  Pentagramma viscosa Steve Boyd, Timothy S. Ross, L. Arnseth 1991-4-6 4150 Los Angeles San Clemente Island. Lemon Tank Cyn, E side of island. 274 Comment
  UCR99485  Perideridia pringlei Steve Boyd, Lauren Raz 1997-5-29 9908 Los Angeles San Gabriel Mtns., Portal Ridge, north of the San Andreas rift zone, in Cow Spring drainage along Pacific Crest Trail, at point where trail crosses side drainage originating on ridge forming divide with Gookins Dry Lake. 1098 Comment
  OBI70933  Peritoma arborea Steve Boyd, Lauren Raz 1997-3-25 9311 Los Angeles Liebre Mts region: Upper end of broad alluvial valley at head of Cienaga cyn, southern base of Liebre mtn, at end of dirt road leading 1 km NE of Knapp Ranch 1280 Comment
  RSA480022  Perityle emoryi Steve Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2153 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA702023  Perityle emoryi Steve Boyd, Michael Denslow 2004-3-23 10672 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
  RSA731051  Perityle emoryi Steve Boyd, LeRoy Gross 2008-4-11 11875 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
  RSA735242  Perityle emoryi Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11214 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
  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
  UCR147738  Petalonyx thurberi Steve Boyd, Et al. 2004-5-14 11257 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
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Mar 19 2016
  RSA735575  Petradoria pumila subsp. pumila Steve Boyd, Tammy Morgan 2004-6-1 11444 San Bernardino Clark Mountains, western flank of the range in large canyon south of Pachalka Spring. 1433 Comment
  RSA702231  Petrophytum caespitosum Steve D. Boyd, Tammy Morgan 2004-6-1 11423 San Bernardino Clark Mountains, western flank of the range in large canyon south of Pachalka Spring. 1433 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
  UCR98785  Phacelia affinis Steve Boyd, A. C. Sanders, R. T. Hawke, S. Hawke, S. Hobbs, P. Hobbs 1997-4-20 9559 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
  RSA599840  Phacelia brachyloba Steve Boyd, Lauren Raz 1997-5-6 9757 Los Angeles Liebre Mountains region: Fish Canyon just upstream from the confluence with Castaic Creek. 500 Comment
  SBBG87689  Phacelia brachyloba S. Boyd with T. Elias 1987-4-14 2067 Los Angeles Pine Mtn and Silver Mtn [between], S of Rincon-Red Box Rd, N of Glendora Comment
  UCR95554  Phacelia brachyloba Steve Boyd 1996-5-17 8796 San Diego Palomar Mtns, Summit of Aguanga Mtn along Palomar Divide Road (=Forest Service Road 9S07), c. 2.6 mi. east of junction with Halfway Road (F.S. Road 9S06). 1427 Comment
  RSA486638  Phacelia campanularia Steve Boyd, D. Charlton, L. Arnseth, D. Nordin, S. Meury, Richard Noyes, Tim S. Ross 1988-4-8 1613 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
  HSC66586  Phacelia cicutaria D. Boyd, M. Eichelberger, Tim Messick, T. Ranker 1980-4-19 16 Lake Coldsprings Campground along access road to Indian Valley Dam Comment
  RSA557791  Phacelia cicutaria var. hispida Steve Boyd, Tim Ross 1992-4-29 7127 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
  RSA571499  Phacelia cicutaria var. hispida Steve Boyd, Tim Ross 1994-3-29 8232 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
  RSA593695  Phacelia ciliata Steve Boyd, D. Bramlet 1996-4-19 8631 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
  RSA570333  Phacelia crenulata Steve Boyd, Tim Ross, W. Appleby 1993-3-19 7831 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
  RSA701088  Phacelia crenulata Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11248 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
  UCR148387  Phacelia crenulata Steve Boyd, Tammy Morgan 2004-3-30 10692 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
  UCR200243  Phacelia curvipes Steve Boyd, Valentin Arvizu 2008-5-1 11927 Kern Southern Sierra Nevada Range, Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley 1463 Comment
  RSA517927  Phacelia distans Steve Boyd, B. Roy, T. S. Elias, S. Meury, S. Zona 1986-3-5 1356 Riverside Hwy 195, N base of the Orocopia Mts., halfway between I-10 & Box Canyon. Comment
  RSA517999  Phacelia distans Steve Boyd, Orlando Mistretta 1986-3-31 1524 Los Angeles Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. Comment
  RSA543790  Phacelia distans Steve Boyd, Tim Ross, Mike Hammitt 1991-5-2 6067 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
  RSA599547  Phacelia distans Steve Boyd, Lauren Raz 1997-4-16 9529 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
  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
  SD152827  Phacelia distans Steve Boyd, Orlando Mistretta 1992-4-23 7069 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
  RSA599666  Phacelia egena Steve Boyd, Lauren Raz 1997-5-1 9684 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
  RSA485365  Phacelia fremontii Steve Boyd, C. Boyd 1987-4-12 2023 Inyo South end of Greenwater Valley, 0.3 mile NW of jtn w/ Hwy 178, 2 miles W of Shoshone. Comment
  RSA515457  Phacelia fremontii Steve Boyd, C. Boyd 1987-4-12 1978 Inyo North end of Greenwater Valley, 3.2 miles S of Dante's View Road, just outside Death Valley National Monument area. 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
  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
  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
  RSA600143  Phacelia longipes Steve Boyd, Lauren Raz 1997-5-6 9735 Los Angeles Liebre Mountains region: Fish Canyon just upstream from the confluence with Castaic Creek. 500 Comment
  UCR68901  Phacelia lyonii Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4282 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 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
  SD136820  Phacelia minor Steve Boyd 1992-4-14 6786 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area; along Verdugo Trail from Tenaja Tr. to Bluewater Cyn, S of Sitton Pk. 792 Comment
  RSA480099  Phacelia neglecta Steve Boyd, L. Arnseth, S. Meury, D. Nordin, Tim Ross 1988-3-10 2188 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  UCR148510  Phacelia ramosissima Steve Boyd, V. Arvizu 2004-6-8 11473 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
  UC1929455  Phacelia ramosissima var. ramosissima Steve Boyd, Michael Denslow, Amber Maurice, Sarah Swartzentruber, Aydee Virgen 2003-6-27 10568 Tulare Sierra Nevada; Southern Sierra Nevada region; Chimney Peak Recreation Area, summit of northern high point on Bear Mountain (Bear Peak). 2509 Comment
  RSA599338  Phacelia tanacetifolia Steve Boyd, Lauren Raz 1997-3-26 9366 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
  RSA701687  Phacelia viscida Steve Boyd, Valentin Arvizu 2004-6-8 11517 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
  SD230243  Phacelia viscida Steve Boyd, Lauren Raz, Timothy S. Ross 1997-4-1 9455 Los Angeles Liebre Mountains Region: Upper watershed of Osito Canyon between I-5 and the Old Ridge Route, vicinity of Osito Flat, a disctinctive, open grassy break in slope under the high tension power lines. 792 Comment
  UCR40514  Phalaris aquatica Steve Boyd 1985-8-7 1112 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, Tenaja Rd., 3.3 mi east of junction with 8S01 and 8S02 Comment
  RSA560278  Phalaris paradoxa Steve Boyd, Timothy S. Ross, M. Wall 1992-6-4 7540 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Devil Canyon at the confluence with 'Miller Canyon' 537 Comment
  SD152823  Pholistoma auritum var. auritum Steve Boyd 1992-4-15 6870 Riverside Santa Ana Mountains, San Mateo Cyn Wilderness Area. Bluewater Canyon along Bluewater Tr. downstream to the confluence with San Mateo Creek. 334 Comment
  SBBG96672  Pholistoma racemosum S. Boyd with T. Ross, L. Arnseth 1990-4-7 4258 Los Angeles lower half of China Cyn Comment
  UC1930199  Pholistoma racemosum Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10491 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
  UCR77766  Pholistoma racemosum Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6131 Riverside SE end of Gavilan Hills, east of Arroyo del Toro, north-facing slope of low hill 488 Comment
  CAS-BOT-BC135169  Phoradendron juniperinum Steve Boyd; Dave Bramlet 1986-6-9 1870 Tulare Chimney Creek Canyon, side canyon So. Peak 7155 S of Chimney Creek Meadow. Southern Sierra nevada Mountains Comment
  UCR147761  Phoradendron tomentosum Steve Boyd, Naomi Fraga 2004-4-27 10904 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
  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
  UC1584068  Phoradendron villosum Steve Boyd and Dave Bramlet 1988-10-8 2878 Riverside s.w. Anza (at head of Bautista Canyon, Cahuilla Mt., along crest of the mt.); Cahuilla Mt. Comment
  RSA599606  Phragmites australis Steve Boyd, Lauren Raz 1997-4-16 9500 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., Near 34? 41' 58.3''N 118 ? 46' 58.7''W. 853 Comment
  RSA701564  Physalis crassifolia Steve D. Boyd, Tammy Morgan 2004-3-30 10707 San Bernardino Southern end of the Cady Mountains northwest of Ludlow (north of Interstate 40) about hill topped with communication towers. 1006 Comment
  RSA725382  Physalis crassifolia Steve D. Boyd 2007-11-1 11825 San Bernardino Southern base of the Bristol Mountains, north of Old Route 66, east of Amboy and west of juntion with Kelbaker Road. 305 Comment
  UCR147732  Physalis crassifolia Steve Boyd, Tammy Morgan 2004-3-30 10707 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
  UCR22007  Picris echioides Steve Boyd 1980-9-8 342 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  RSA544441  Pilularia americana Steve Boyd, Timothy S. Ross, David Zippin, Tom Oberbauer 1991-6-14 6348 Riverside Skunk Hollow Area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aqueduct. Comment
  RSA702786  Pinus monophylla Steve Boyd, Tammy Morgan 2004-6-1 11428 San Bernardino Clark Mountains, western flank of the range in large canyon south of Pachalka Spring. 1433 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
  RSA701708  Piptatherum miliaceum Steve Boyd, Valentin Arvizu 2004-6-8 11530 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
  RSA561111  Piptatherum miliaceum Steve Boyd, Timothy S. Ross, D. Bramlet 1993-5-12 7322 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
  RSA611668  Plagiobothrys acanthocarpus Steve Boyd, Lauren Raz, Mike Kinney 1998-3-17 10099 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
  UCR80729  Plagiobothrys acanthocarpus Steve Boyd 1992-4-18 6895 Riverside Perris-Aguanga Basin region, Paloma Valley, between Sun City and Murrieta, east of Hwy 215; just SW of the junction of Briggs Road and Scott Road 457 Comment
  RSA599271  Plagiobothrys arizonicus Steve Boyd, Lauren Raz 1997-3-31 9445 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
  RSA599559  Plagiobothrys arizonicus Steve Boyd, A. C. Sanders, R. T. Hawke, Shaun Hawke, Susan Hobbs, Paul Hobbs 1997-4-20 9541 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
  RSA599624  Plagiobothrys arizonicus Steve Boyd, Lauren Raz 1997-4-16 9518 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
  RSA359606  Plagiobothrys canescens Steve Boyd 1986-3-3 1376 Riverside Good Hope Valley, 5 miles W of Perris, DePrad Street, 1/2 mile E of Cowie Ave. 488 Comment
  RSA495425  Plagiobothrys canescens Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-12 2951 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  UCR148176  Plagiobothrys canescens Steve Boyd, Naomi Fraga 2004-4-27 10957 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 Hwy 79 and west of the Warner Springs Resort Comment
  UCR95412  Plagiobothrys canescens Steve Boyd 1996-4-25 8701 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
  UC1605426  Plagiobothrys collinus var. fulvescens Steve Boyd 1986-4-2 1594 Riverside Harford Springs County Park Gavilan Hills, Gavilan Hills, Harford Springs County Park 609 Comment
  UC1928510  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
  UCR200708  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
  UCR107773  Plagiobothrys leptocladus Steve Boyd, J. M. Porter, Z. Lederman 1998-4-27 10153 Los Angeles Mojave Desert, Antelope Valley, Amargosa Creek drainage at W G Street, west of Hwy 14, SW of Rosamond Dry Lake. 793 Comment
  UCR77579  Plagiobothrys leptocladus Steve Boyd, D. E. Bramlet 1991-5-13 6228 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
  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
  UCR177138  Plagiobothrys nothofulvus Steve Boyd 1996-4-25 8668 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
  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
  RSA508002  Plagiobothrys tenellus Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2306 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. 1500 Comment
  RSA523522  Plagiobothrys tenellus Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3981 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA730882  Plagiobothrys tenellus Steve Boyd, Valentin Arvizu 2008-5-1 11979 Kern Southern Sierra Nevada region: Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley. 1372 Comment
  UCR59764  Plagiobothrys tenellus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3075 Riverside Peninsular Range, Vail Lake area, south of Hwy 79, 0.25 mi east of Pauba Road 457 Comment
  UCR77718  Plagiobothrys tenellus Steve Boyd 1991-5-7 6176 Riverside Peninsular Ranges, Santa Ana Mountains, SE and E side of Elsinore Peak 1067 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
  RSA574743  Plantago erecta Steve Boyd 1982-3-30 s.n. Riverside Gavilan Hills region, Temescal Canyon, south slope of Alberhill Mountain, just east of extensively mined area. 427 Comment
  SD122968  Plantago lanceolata Steve Boyd 1985-7-23 1000 Riverside 5.0 miles west of Ranco California at junction of Rancho California Road and DeLuz Road. 427 Comment
  UC1608277  Plantago lanceolata Steve Boyd and Tim Ross 1992-5-5 7262 Riverside nw of Oak Flats (along Verdugo Trail, between junctions with Bluewater and Lucas Canyon Trails); Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 762 Comment
  RSA570263  Plantago ovata var. fastigiata Steve Boyd, Tim S. Ross, W. Appleby 1993-3-19 7807 San Bernardino Southern base of the Avawatz Range at the mouth of Sheep Creek Spring Cyn about old mining operation of Sierra Talc mine. 600 Comment
  RSA682163  Plantago patagonica Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10500 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
  SBBG101726  Platystemon californicus S. Boyd with T. Ross, M. Hammitt 1991-5-2 6071 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
  UCR22124  Platystemon californicus Steve Boyd 1980-4-11 127 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  RSA593019  Platystemon californicus var. crinitus Steve Boyd 1996-4-25 8728 Los Angeles Liebre Mountains, southwestern flank of Liebre Mountain, north side of Cold Canyon along Forest Service Road 7N23 ca 2.3 road miles N of jtn with 7N22. 1537 Comment
  RSA593505  Platystemon californicus var. crinitus Steve Boyd, Orlando Mistretta 1996-5-1 8762 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
  RSA560375  Plectritis ciliosa subsp. insignis Steve D. Boyd 1992-4-14 6807 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
  UC1608230  Plectritis ciliosa subsp. insignis Steve Boyd, Tim Ross, Orlando Mistretta 1992-3-31 6761 Riverside Tenaja Trail from junction w Morgan Trail south to Pigeon Spring area, San Mateo Canyon Wilderness Area Pigeon Spring; Santa Ana Mountains, San Mateo Canyon Wilderness Area 670 Comment
  UCR80733  Plectritis ciliosa subsp. insignis Steve Boyd 1992-4-18 6907 Riverside Gavilan Hills, SE end of range, east of Arroyo del Toro 488 Comment
  RSA702059  Pleuraphis jamesii Steve Boyd, Tammy Morgan 2004-6-1 11446 San Bernardino Clark Mountains, western flank of the range in large canyon south of Pachalka Spring. 1433 Comment
  UC1930200  Pleuraphis rigida Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10492 A 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
  UCR148518  Pleuraphis rigida Steve Boyd, Tammy Morgan 2004-6-1 11446 San Bernardino Eastern Mojave Desert, Clark Mountain, west flank of the range in large canyon south of Pachalka Spring 1800 Comment
  UC1719687  Pleurocoronis pluriseta Steve Boyd, Michael Denslow 2004-3-23 10633 San Bernardino Mojave Desert; Central Mojave Desert region; Lavic Mountain, southern end of the Cady Mountains northwest of Ludlow (north of Interstate 40) along powerline/pipeline access road. Comment
  RSA726826  Poa annua Steve Boyd, Heidi Bigelow 2004-4-5 10789 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
  RSA518013  Poa secunda Steve Boyd, Orlando Mistretta 1986-3-31 1549 Los Angeles Mojave Desert: Highway 138, 4 miles E of jct w/ Hwy 18, NE of Pinyon Hills. Comment
  RSA543768  Poa secunda Steve Boyd, Mike Hammitt 1991-5-2 6028 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
  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
  SD136949  Poa secunda Steve Boyd 1992-4-14 6835 Riverside Santa Ana Mountains, San Mateo Cyn Wilderness Area. Western flank of Bluewater Cyn along Bluewater Trail. 341 Comment
  CAS-BOT-BC242999  Poa secunda subsp. secunda Steve Boyd; et al. 1990-4-2 4023 Riverside Vail Lake Area, lower slopes of Agua Tibia Mountain, along Highway 79, E of USFWS Dripping Springs Guard Station 609 Comment
  UCR21893  Podistera nevadensis Steve Boyd 1980-8-8 s.n. Mono Sierra Nevada Mtns, Dana Plateau, Mount Dana 3659 Comment
  CAS-BOT-BC232901  Polemonium carneum Louise A. Boyd; Katherine Donahoe 1923-5-1 s.n. Siskiyou Near Oregon boundary Comment
  RSA593878  Polycarpon tetraphyllum Steve Boyd, David E. Bramlet 1996-4-19 8622 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, E base of rounded hill at the N end of California Avenue, N of Stetson Avenue 457 Comment
  RSA562735  Polycarpon tetraphyllum Steve Boyd, Timothy S. Ross 1992-5-19 7451 Orange Southern Santa Ana Mountains San Mateo Canyon Wilderness Area. Western edge of the wilderness along Lucas Canyon Trail crossing. 320 Comment
  SD136791  Polygala cornuta var. fishiae Steve Boyd, Tim Ross, Mike Wall 1992-6-2 7506 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, Devil Canyon, from confluence with 'Miller Creek' downstream ca. 1 mile Locally common, ledges & crevices on granitic bedrock in area of narrows & cataracts (IPB 3/06) 487 Comment
  UCR99510  Polygonum amphibium var. emersum Steve Boyd, Lauren Raz 1996-10-14 9073 Los Angeles Liebre Mtns., North shore of Elizabeth Lake, Pine Canyon south of Partal Ridge at Angeles National Forest Picnic area 1000 Comment
  RSA335174  Polygonum amphibium var. stipulaceum Steve Boyd, Karlin Marsh 1985-6-11 1185 San Bernardino San Bernardino Mountains. Bear Valley area. North shore of Baker Lake, about 1 mile east of the Stanfield Cut-off. 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
  RSA527771  Polypodium californicum Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-8 4336 Los Angeles San Clemente Island. E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  SEINET10602403  Polypogon interruptus Steve Boyd, Timothy S. Ross 1990-5-11 Boyd 4661 Riverside Vail Lake area, Arroyo Seco drainage, cyn bottom at N base of Wild Horse Peak, SE of Dripping Springs camp-ground of Cleveland Nat. Forest. T8S, R1W, N1/2 sec. 26 1900-2000' elev. Riparian woodland, pools along stream supporting Typha, Carex, etc. Benches, slopes burned. Coarse grass, local in pool along stream. 609 Comment
  RSA500120  Polypogon monspeliensis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3691 Riverside Vail Lake area, Benches of Arroyo Seco and slopes of adjacent hills to E. 488 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
  CAS-BOT-BC356159  Porophyllum gracile Steve Boyd 1986-5-1 1786 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow Comment
  RSA552744  Porophyllum gracile Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-25 6676 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
  RSA562731  Porophyllum gracile Steve Boyd, Timothy S. Ross 1992-5-19 7447 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
  SD152924  Porophyllum gracile Steve Boyd, Tim Ross 1992-5-19 7447 Orange Southern Santa Ana Mountains, western edge of the wilderness in Aliso Canyon at the confluence with Lucas Canyon. 274 Comment
  SEINET3404650  Portulaca halimoides Steve Boyd 1990-10-4 5254 San Bernardino Eastern Mojave Desert; south base of New York Mtns., 1.4 mi north of New York Mtn Rd. Comment
  UC1595735  Portulaca oleracea Steve Boyd 1990-10-4 5260 San Bernardino 1.4 mi n of New York Mountain Road ( mouth of Carruther's Canyon, south base of New York Mountains, Eastern Mojave Desert); New York Mountains, Eastern Mojave Desert, Carruther's Canyo Comment
  RSA535394  Portulaca oleracea Steve Boyd 1990-10-4 5264 San Bernardino Round Valley, S of Pinto Mountain along Cedar Canyon Road 4.7 miles E of junction w/ Black Canyon Road. East Mojave Desert. Comment
  UCR65271  Potamogeton pectinatus Steve Boyd, Orlando Mistretta 1989-7-18 3760 Riverside Peninsular Range, Vail Lake area, along W shore of lake 0.5 mi south of the dam 427 Comment
  SEINET12900516 Image available Potamogeton pectinatus S. Boyd, T. S. Ross 1989-1 3814 Unknown Comment
  RSA0013895  Proboscidea althaeifolia Steve Boyd, Valerie Soza, Tasha La Doux 1997-10-13 10062 Riverside Colorado-Mojave Desert transition, Little Maria Mountains: Bajada at southwest end of Rice Valley, along Midland Road, just north of pass between Little Maria and Big Maria mountains. 274 Comment
  UC1522675  Proboscidea louisianica subsp. louisianica Steve Boyd 1984-9-20 Riverside along Cajalco Rd. 4 1/2 mi nw Perris (0.2 mi e of its intersection with Clark St. (Old Elsinore Rd.)); Mead Valley Comment
  CAS-BOT-BC206986  Prosopis glandulosa var. torreyana Steve Boyd 1986-4-10 1646 Riverside Temescal Canyon, along De Palma Road between Indian Truck Trail and Horsethief Canyon, on terrace escarpment 1.2 mi. E of Indian Truck Trail Comment
  UCR17888  Prosopis velutina Steve Boyd 1978-8-30 133 A Riverside Peninsular Range, Pauba Valley. Hwy 79, 3.7 mi east of Interstate Hwy 15E. 335 Comment
  SD215647  Prunus dulcis Steve Boyd, Lauren Raz 1997-3-26 9324 Los Angeles Portal Ridge north of Lake Hughes, upper end of Myrick Canyon drainage along Lakeview Road Comment
  UCR99508  Prunus dulcis Steve Boyd, Lauren Raz 1997-3-26 9375 Los Angeles Liebre Mtns., Sierra Pelona Ridge, upper end of Bouquet Canyon, south of Licon Crest near end of off-highway vehicle trail which begins at Bouquet Canyon Road 1311 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
  SD215650  Prunus ilicifolia Steve Boyd, Lauren Raz 1997-3-25 9308 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
  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
  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
  RSA517236  Psathyrotes ramosissima Steve Boyd, Thomas S. Elias, Erika Winter 1986-2-18 1323 Riverside Mecca Hills, Colorado Desert: Painted Canyon N of Highway 195. Comment
  SD122979 Image available Pseudognaphalium beneolens Steve Boyd 1985-8-7 1094 San Diego Santa Rosa Plateau region. Forest Service Road 8S02, 1.5 mi west of jtn of 8S02, 8S01, and Tenaja Rds. in openings in chaparral Comment
  CAS-BOT-BC356791  Pseudognaphalium californicum Steve Boyd; Aydee Virgen 2004-4-13 10845 Riverside Peninsular Ranges; Santa Ana Mountains region: San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon 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
  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
  RSA557737  Psilocarphus tenellus Steve Boyd, Timothy S. Ross 1992-4-30 7165 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
  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
  RSA518179  Psilostrophe cooperi Steve Boyd 1990-10-3 5153 San Bernardino Providence Mountains., Road over Foshay Pass, W side of range, 11.2 mi E of Kelbaker Rd. Comment
  RSA670044  Psorothamnus arborescens var. arborescens Steve Boyd 1978-2-6 s.n. San Bernardino Paradise Range, about 20 miles north of Barstow Comment
  RSA612140  Psorothamnus arborescens var. minutifolius Steve Boyd, Kent Hughes 1998-4-28 10200 Kern Southern Sierra Nevada, Piute Range: Jawbone Canyon, southeast of confluence with Hoffman Canyon, north base of Chuckwalla Mountain. 823 Comment
  CAS-BOT-BC72615  Pteridium aquilinum Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 3977 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Sta. 609 Comment
  RSA561122  Pteridium aquilinum var. pubescens Steve Boyd, Timothy S. Ross, Dave Bramlet 1993-5-12 7313 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
  RSA575916  Pteridium aquilinum var. pubescens Steve Boyd 1994-10-14 8376 Riverside Southern Santa Ana Mountains, San Mateo Canyon 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. 341 Comment
  CAS-BOT-BC421283  Pterostegia drymarioides Steve Boyd; Tim Ross 1994-3-29 8228 San Diego Southwestern Cuyamaca Mountains, Cleveland National Forest, southwestern slope of Poser Mountain, at northern edge of Viejas Valley, near junction of Old Viejas Grade and Conejos Valley Road. 853 Comment
  UC1608272  Pterostegia drymarioides Steve Boyd, Tim Ross, and Dave Bramlet 1993-5-12 7326 Riverside San Mateo Canyon from confluence with Los Alamos Canyon (downstream to concluence with Tenaja Canyon); S. Santa Ana Mts., San Mateo Canyon Wilderness Area 365 Comment
  RSA527657  Pterostegia drymarioides Steve Boyd, Tim S. Ross, L. Arnseth 1990-4-8 4376 Los Angeles San Clemente Island: E side of island, near Malo Point, third canyon S of Bryce Canyon. Comment
  UCR151234  Pulicaria paludosa Steve Boyd, R. E. Riefner 2000-9-13 10307 Orange Peninsular Ranges; Santa Ana Mts region, Santa Ana Mountains: Fremont Canyon, about 1.5 air miles west of Oat (a.k.a. Oak) Flat and 1.5 miles southeast of Claymont clay mine. 427 Comment
  RSA575933  Punica granatum Steve Boyd 1994-10-14 8394 Riverside Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area of the Cleveland National Forest, San Mateo Canyon, along the Fisherman's Camp Trail, N of Tenaja Canyon. 451 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
  SD136812  Pycnanthemum californicum Steve Boyd, Tim Ross 1994-9-14 8351 Orange Southern Santa Ana Mts., San Mateo Canyon Wilderness Area of the Cleveland Nat Forest, Lucas Canyon Trail at stream crossing Lucas Canyon 310 Comment
  SD152836  Quercus agrifolia Steve Boyd, Tim Ross 1992-5-5 7217 Riverside San Mateo Canyon Wilderness Area; Oak Flats area east of Verdugo Potrero. 730 Comment
  RSA559451  Quercus agrifolia var. agrifolia Steve Boyd, T. S. Ross 1992-5-5 7217 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 732 Comment
  RSA570742  Quercus agrifolia var. agrifolia Steve Boyd, Walter Appleby 1993-4-8 7961 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
  RSA703326  Quercus agrifolia var. oxyadenia Steve Boyd, LeRoy Gross 2004-5-4 11125 San Diego Hills north of Warner Springs, north Indian Flats Campground of Cleveland National Forest along Road 9S05. 899 Comment
  RSA507981  Quercus berberidifolia Steve Boyd, T. S. Ross 1988-4-28 2236 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus. In small canyon. Angeles National Forest. 640 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
  UCD45202  Quercus berberidifolia Steve Boyd 1987-11-23 2098 Riverside Mt. Russel, N. of Lake Perris, Moreno Valley. Elev. 2500 feet. 762 Comment
  UCR53306  Quercus berberidifolia Steve Boyd 1987-11-23 2098 Riverside Perris-Aguanga basin region, Mt. Russell, north of Lake Perris, Moreno Valley. 762 Comment
  UCR95520  Quercus berberidifolia Steve Boyd, Lauren Raz 1996-10-8 9016 Los Angeles Liebre Mtns. region, crest of Sierra Pelona area at the headwaters of the westerly fork of Maple Canyon, west of Mount McDill. 1402 Comment
  RSA515494  Quercus chrysolepis Steve Boyd, Dave Bramlet 1986-6-9 1902 Tulare Southern Sierra Nevada Mtns - Chimney Creek Canyon, side cyn south of peak 7155, south of Chimney Meadow. 1738 Comment
  RSA526541  Quercus chrysolepis Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4284 Los Angeles San Clemente Island, lower half of China Cyn, S end of Island, W side. Comment
  RSA595639  Quercus chrysolepis Steve Boyd, Lauren Raz 1996-10-8 9008 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
  SBBG96865  Quercus chrysolepis S. Boyd with T. Ross, L. Arnseth 1990-4-7 4284 Los Angeles lower half of China Cyn, sand dunes at cyn mouth Comment
  UCR68868  Quercus chrysolepis Steve Boyd, T. S. Ross 1990-5-11 4694 Riverside Vail Lake area, Cleveland National Forest, N flank and summit of Wild Horse Peak, Agua Tibia Mtns 999 Comment
  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
  UCR99372  Quercus john-tuckeri Steve Boyd, T. S. Ross 1997-3-21 9219 Los Angeles Liebre Mountains, Portal Ridge, about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring 1183 Comment
  RSA479919  Quercus wislizeni Steve Boyd 1987-11-23 2096 Riverside Mt. Russell, N of Lake Perris, Moreno Valley. 762 Comment
  RSA520082  Quercus wislizeni var. frutescens Steve Boyd, D. Bramlet 1988-10-8 2868 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  RSA543175  Rafinesquia californica Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6085 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
  RSA560406  Rafinesquia californica Steve Boyd 1992-4-15 6884 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 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
  RSA562063  Rafinesquia neomexicana Steve Boyd, Carol Boyd, Kyle Boyd 1992-4-19 6920 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
  UCR148521  Rafinesquia neomexicana Steve Boyd, Michael Denslow 2004-3-23 10589 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
  RSA725303  Ranunculus aquatilis var. capillaceus Steve Boyd, Carol Boyd 2007-9-16 11765 Inyo Rock Creek Lake Drainage, Kenneth Lake, on Tamarack Bench west of Wheeler Ridge and East Fork of Rock Creek. 3140 Comment
  UCR147737  Ranunculus hebecarpus Steve Boyd, Aydee Virgen 2004-4-13 10887 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  RSA522295  Retama monosperma Steve Boyd 1990-2-3 3828 Los Angeles San Gabriel Mountains, base of range at Padua Hills, just W of mouth of San Antonio Canyon Comment
  SBBG101776  Rhamnus crocea S. Boyd, T. Ross 1991-6-14 6383 Riverside Warm Springs Crk at the NE end of Hogbacks ridge, from Alamos Rd S to confluence w/ Adobe Spring tributary, 2-3 mi NW of Murrieta Hot Springs Comment
  RSA600040  Rhamnus ilicifolia Steve Boyd, Lauren Raz 1997-3-25 9260 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
  UCR147681  Rhamnus tomentella Steve Boyd, Naomi Fraga 2004-4-27 10914 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
  SD136854  Rhododendron occidentale Steve Boyd, Tim Ross and Mike Wall 1992-6-4 7556 San Diego Southern Santa Ana Mountains, southwestern edge of Santa Rosa Plateau region in upper Cottonwood Canyon. 609 Comment
  UCR79492  Rhododendron occidentale Steve Boyd, T. S. Ross, M. Wall 1992-6-4 7556 San Diego Peninsular Range; Santa Ana Mtns., SW edge of Santa Rosa Plateau region in upper Cottonwood Canyon. Along Cottonwood Canyon Road, 1.8 mi south of Forest Service Road 8S01 at the point where shaded side drainage joins from the W and the main trunk of Cottonwood Canyon drops sharply to the east of the plateau escarpment 610 Comment
  RSA334632  Rhododendron occidentale var. californicum Steve Boyd 1985-7-30 1078 San Diego Upper Cottonwood canyon, 3.6 mi. (by road) northwest of jtn of Tenaja Trail and De luz Rd. Comment
  RSA334637  Rhododendron occidentale var. californicum Steve Boyd 1985-8-7 1087 San Diego [Southern Santa Ana Mountains] Upper Cottonwood Canyon, 3.6 miles (by road) northwest of junction of Tenaja Trail and De Luz Road. 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
  RSA524472  Rhus ovata Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4076 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
  RSA543190  Rhus ovata Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6110 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain 3 miles N Highway 79, 1 mile W of Highway 371, N of Aguanga. 600 Comment
  RSA592826  Rhus ovata Steve Boyd 1996-4-24 8656 Los Angeles Liebre Mountains, northwestern end of the range on the ridgetop and upper slopes of the southern flank of Apple Canyon. 1067 Comment
  SD136940  Rhus ovata Steve Boyd, Tim Ross, Orlando Mistretta 1992-3-31 6744 Riverside Santa Ana Mountains, San Mateo Cyn Wilderness Area. Morgan Trail from Round Potrero west to junction with Tenaja Trail in north fork Bear Crk. 669 Comment
  UC1929688  Rhus trilobata Steve Boyd, Tammy Morgan 2004-6-1 11417 San Bernardino Mojave Desert; East Mojave Desert region; Clark Mountains, western flank of the range in large canyon south of Pachalka Spring. Comment
  SD137931  Rhus trilobata var. pilosissima Steve Boyd, Darin Banks 1995-4-6 8452 San Diego Palomar Range; Agua Tibia Wilderness Area, northeastern flank of Agua Tibia Mountain, Arroyo Seco tributary at the north base of Eagle Crag. 975 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
  RSA543310  Ribes indecorum Steve Boyd 1991-3-17 5486 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
  RSA608240  Ribes indecorum Steve Boyd, Bart O Brien 1998-1-13 10074 Orange Santa Ana Mountains: north end of the range, saddle between Mabey and Fremont canyons, along Main Divide Road ( 3S04) ca. 1.0 mi N of Oak Flat. 883 Comment
  SBBG101699  Ribes indecorum S. Boyd, T. Ross, M. Hammitt 1991-5-2 6115 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
  SD152830  Ribes indecorum Steve Boyd 1993-3-14 7725 Riverside San Mateo Canyon Wilderness Area; south of Elsinore Peak, in broad saddle on high ridge forming east side of Wildhorse Canyon. 975 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
  UCD102262  Ribes indecorum Steve Boyd; Tim Ross, Laurel Arnseth 1989-4-2 3191 Riverside Vail Lake area, W end of bench on S flank of Oak Mtn. 548 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
  RSA524470  Ribes quercetorum Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-5-3 4073 Riverside Vail Lake area, upper branches and adjacent slopes of E flank of Big Oak Mtn, just S of the E summit. 610 Comment
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Feb 22 2013
  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
  UCR95376  Robinia pseudoacacia Steve Boyd, Lauren Raz 1996-10-8 9003 Los Angeles Liebre Mtns area, Bouquet Canyon, c. 0.9 mi. south of junction with Forest Service Road 6N08 561 Comment
  SD152900  Rorippa nasturtium-aquaticum Steve Boyd, Tim Ross 1992-4-28 7091 San Diego Southern Santa Ana Mountains, Cold Spring Canyon, along Cold Spring Trail from confluence of the north and south branches of canyon downstream to junction with Clark Trail. 490 Comment
  RSA575842  Rosa californica Steve D. 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
  RSA562580  Rubus ursinus Steve D. Boyd, W. Appleby 1993-4-22 7990 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
  RSA600111  Rumex hymenosepalus Steve Boyd, Lauren Raz 1997-3-26 9368 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
  OBI37526  Rumex salicifolius Steve Boyd 1985-7-30 1067 San Diego Lower Cottonwood Cyn, near its confluence with De Luz Crk Comment
  UC1928499  Rumex salicifolius Steve Boyd, LeRoy Gross 2004-5-4 11119 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
  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
  RSA334672  Rumex salicifolius var. denticulatus Steve Boyd 1985-7-30 1067 San Diego Lower Cottonwood Canyon, near its confluence with De Luz Creek. Comment
  UCR22143  Rumex salicifolius var. denticulatus Steve Boyd 1980-4-13 125 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 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
  UCR89501  Salix exigua Steve Boyd, T. S. Ross, Walter Appleby 1993-3-19 7801 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
  SBBG101690  Salix exigua var. hindsiana S. Boyd with T. Ross 1991-6-14 6367 Riverside Warm Springs Crk at NE end of Hogbacks Ridge, 2-3 mi NW of Murrieta Hot Springs Comment
  UCR37445  Salix gooddingii Steve Boyd 1981-4-10 s.n. Riverside Gavilan Hills, Long canyon running from NW/4 of section 2 through the E/2 of section 3 Comment
  RSA495789  Salix lasiolepis Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-3-11 2896 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 390 Comment
  UCR151975  Salix lasiolepis Steve Boyd, Aydee Virgen 2004-4-13 10847 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  UCR77759  Salsola tragus Steve Boyd 1991-9-8 6423 Riverside Peninsular Range, Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371 600 Comment
  RSA599596  Saltugilia australis Steve Boyd, Lauren Raz 1997-3-31 9402 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
  RSA777155  Saltugilia australis Steve Boyd, Susan G Jett 2008-3-20 11835 Riverside Peninsular Ranges: Santa Ana Mountains region: Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Hwy Vehicle Area. 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
  RSA600413  Saltugilia splendens Steve Boyd, Lauren Raz 1997-4-30 9634 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
  RSA507985  Salvia apiana Steve Boyd, T. S. Ross 1988-4-28 2238 Los Angeles West end of San Gabriel Mountains, Sand Canyon E of Saugus, in small side canyon, at head. Angeles National forest. 640 Comment
  RSA543192  Salvia carduacea Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6112 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
  RSA560300  Salvia clevelandii Steve Boyd, T. S. Ross, Mike Wall 1992-6-4 7555 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
  RSA569973  Salvia columbariae Steve Boyd, T. S. Ross, Walter Appleby 1993-3-19 7857 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
  RSA599711  Salvia columbariae Steve Boyd, Lauren Raz, T. S. Ross 1997-4-1 9460 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
  RSA701550  Salvia columbariae Steve Boyd, Tammy Morgan 2004-3-30 10731 San Bernardino Southern end of the Cady Mountains northwest of Ludlow (north of Interstate 40) lower slopes and wash at base of hill topped with communication towers, along powerline road. 854 Comment
  RSA515218  Salvia dorrii subsp. dorrii Steve Boyd, Orlando Mistretta 1986-3-31 1532 Los Angeles Mojave Desert: Highway 138, 4 miles E of junction with Highway 18 NE of Pinyon Hills. Comment
  CAS-BOT-BC214314  Salvia dorrii var. pilosa Steve Boyd; Lauren Raz 1997-3-25 9262 Los Angeles Extreme northwestern corner of the range in Peace Valley, small side canyon just east of Interstate 5 off Copco Road, Libre Mountains Region 950 Comment
  RSA600042  Salvia dorrii var. pilosa Steve Boyd, Lauren Raz 1997-3-25 9262 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
  UCR99522  Salvia dorrii var. pilosa Steve Boyd, Lauren Raz 1997-3-25 9262 Los Angeles Liebre Mountains Region, Extreme NW corner of the range in Peace Valley, small side canyon just east of I-5 off Copco Road 951 Comment
  RSA525430  Salvia mellifera Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4539 Riverside Vail Lake area, rolling terrain at jct of hwy R3 and Powerline Rd. NE of the lake. Comment
  RSA552756  Salvia mellifera Steve Boyd, T. S. Ross, Orlando Mistretta 1992-3-31 6742 Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 670 Comment
  RSA583737  Salvia mellifera Steve Boyd 1995-4-24 8494 Riverside Palomar Range, Agua Tibia Wilderness Area, northeastern base of Wildhorse Peak, west of Devil s Hole, along Wildhorse Trail near the rounded gabbro peak known as Agua . 762 Comment
  RSA619918  Salvia mohavensis Steve Boyd, Valerie Soza, Kazuyuki Kashiwase 1998-7-1 10243 San Bernardino San Bernardino Mountains: North base of Blackhawk Mountain, southwest of Round Mountain. 1463 Comment
  SBBG54650  Salvia munzii S. Boyd 1980-3-23 BC 015 Unknown 10 mi S of El Rosario off Mex 1 Comment
  UCR89481  Salvia sonomensis Steve Boyd, T. S. Ross 1994-3-29 8254 San Diego Peninsular Range; SW Cuyamaca Mtns., Cleveland National Forest, W base of Viejas Mtn, break in slope along West Boundary Road, c. 0.25 mi north of water tank and gate 854 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
  RSA527790  Sanicula arguta Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-8 4354 Los Angeles San Clemente Island: E side of island, Bryce Cyn near Malo Point. Comment
  RSA524590  Sanicula bipinnatifida Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3904 Riverside Vail Lake area, summit of 'Big' Oak Mtn, N. of lake. 793 Comment
  RSA543857  Sanicula bipinnatifida Steve Boyd, Orlando Mistretta 1991-5-22 6308 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 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
  RSA571486  Sanicula bipinnatifida Steve Boyd, Timothy S. Ross 1994-3-23 8217 San Diego Southwestern Cuyamaca Mountains, Cleveland National Forest, southeastern slope of Viejas Mountain, at western edge of Viejas Valley. 793 Comment
  SD136934  Sanicula bipinnatifida Steve Boyd 1992-4-21 6992 San Diego Santa Ana Mountains, San Mateo Cyn Wilderness Area. Northwestern summit and slopes Miller Mountain 790 Comment
  SD152966  Sanicula bipinnatifida Steve Boyd, Tim Ross 1992-3-31 6770 Riverside Santa Ana Mountains; on Elsinore Peak. 1014 Comment
  SD181732  Sanicula bipinnatifida Steve Boyd, Valerie Soza 2001-3-27 10314 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
  RSA496458  Sanicula crassicaulis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-31 3074 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
  RSA559416  Sanicula tuberosa Steve Boyd 1992-4-15 6863 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  UCR130575  Sanicula tuberosa Steve Boyd, M. Wall 1996-4-4 8542 Los Angeles Libre Mtns., Ridgeline between Charlie Canyon adn San Francisquito Canyon off Angeles National Forest Road 5N17, c. 0.4 road mi south of the junction with 5N30, south of Red Mountain 701 Comment
  RSA592771  Sanicula tuberosa Steve Boyd, Michael Wall 1996-4-4 8542 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. Near 34 deg 33.120'N, 118 deg 31.541'W. T5N R16W sec. 2. 701 Comment
  UCR60265  Sarcostemma cynanchoides subsp. hartwegii Steve Boyd, T. Ross, L. Arnseth 1989-6-10 3666 Riverside Vail Lake area, Temecula Creek Canyon below the dam 459 Comment
  UCR52212  Sarcostemma hirtellum Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2099 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  RSA593490  Schedonorus arundinaceus Steve Boyd, Orlando Mistretta, Valerie Soza 1996-6-12 8840 Los Angeles Liebre Mountains, Castaic Creek drainage upstream from confluence of Fish Canyon 549 Comment
  RSA574566  Schedonorus arundinaceus Steve Boyd 1985-7-23 1016 Riverside De Luz Road, 8.0 miles W of Rancho California. Sandia Creek. 305 Comment
  RSA544319  Schinus molle Steve Boyd 1991-9-8 6426 San Diego De Luz Canyon: Along De Luz-Murrieta Road and De Luz Creek. 150 Comment
  RSA599542  Schismus arabicus Steve Boyd, A. C. Sanders, R. T. Hawke, Shaun Hawke, Susan Hobbs, Paul Hobbs 1997-4-20 9560 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
  RSA524430  Schismus barbatus Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4046 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 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
  RSA670263  Schismus barbatus R. S. Boyd, Carter 1978-3-17 s.n. San Bernardino Barstow Comment
  RSA726858  Schoenoplectus acutus var. occidentalis Steve Boyd, Aydee Virgen 2004-4-13 10877 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UCR77690  Schoenoplectus saximontanus Steve Boyd, T. S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6338 Riverside Peninsular Range, Skunk Hollow area, 2 mi east of Murrieta Hot Springs, just west of Second San Diego Aquaduct Comment
  SD122838  Scirpus microcarpus Steve Boyd 1985-7-30 1084 San Diego Upper Cottonwood Canyon, 3.6 miles (by road) northwest of junction of Tenaja Trail and DeLuz Road. Common in water areas along stream. Comment
  SEINET7592516 Image available Scirpus microcarpus Steve Boyd, Lauren Raz 1996-10-8 8998 Los Angeles Liebre Mountains region, Bouquet Canyon ca. 1.7 miles south of junction with Forest Service Road 6N08 561 Comment
  SD136743  Scrophularia californica subsp. floribunda Steve Boyd, T. Ross, D. Bramlet 1993-5-13 7380 A Riverside San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile, lower 1/3 mile of Wildhorse Canyon 410 Comment
  RSA560371  Scutellaria tuberosa Steve Boyd 1992-4-14 6811 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
  RSA562052  Scutellaria tuberosa Steve Boyd, T. S. Ross 1992-4-1 6776 Riverside Santa Ana Mountains., Elsinore Peak area, S of Lake Elsinore. South base of Peak (3448) to SE of Elsinore Peak area. 1000 Comment
  UC1595563  Scutellaria tuberosa Steve Boyd, Orlando Mistretta 1991-5-22 6300 Riverside e of Dorland Mountain (base of Agua Tibia Mountain, w of Kolb Creek); Agua Tibia Mountain, Vail Lake area 548 Comment
  UC1608219  Scutellaria tuberosa Steve Boyd 1992-4-14 6811 Riverside w edge of Oak Flats area (along Bluewater Trail from Verdugo Trail s to crest of ridge w side Bluewater Cyn.); Santa Ana Mountains, San Mateo Cyn Wildernessa Area 731 Comment
  RSA701790  Selaginella bigelovii Steve Boyd, Heidi Bigelow 2004-4-5 10777 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
  UCR48495  Selaginella bigelovii Steve Boyd 1985-12-24 1195 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 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
  CAS-BOT-BC363482  Senecio californicus Steve Boyd 1986-5-1 1822 Riverside Bachelor Mtn.: Lower south slopes of Bachelor Mtn., east end of Lake Skinner Comment
  RSA523511  Senecio californicus Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-3-30 3971 Riverside Vail Lake area, valley between Black Hills & Rocky Ridge. 701 Comment
  RSA543735  Senecio californicus Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6070 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
  UCR48373  Senecio californicus Steve Boyd 1986-5-1 1822 Riverside S slopes of Bachelor Mtn, east end of Lake Skinner Comment
  OBI37520  Senecio douglasii var. douglasii Steve Boyd 1985-8-7 1113 Riverside Santa rosa Plateau Region. Clinton Keith Rd, 1.7 mi E of gate to The Nature conservency Preserve Comment
  RSA500156  Senecio flaccidus var. douglasii Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-6-4 3645 Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Hwy 79. 488 Comment
  SBBG96751  Senecio lyonii S. Boyd with T. Ross, L. Arnseth 1990-4-7 4278 Los Angeles lower half of China Cyn Comment
  RSA457797  Senecio mohavensis Steve Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2197 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  UCR60771  Senecio mohavensis Steve Boyd, O. Mistretta 1986-3-13 1473 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  RSA524465  Senecio vulgaris Steve Boyd, Timothy S. Ross, Laurel Arnseth, Jaime Bonilla 1990-4-3 4068 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
  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
  UCR40428  Setaria parviflora Steve Boyd 1985-7-30 1058 San Diego Lower Cottonwood Canyon, near confluence with De Luz Creek 156 Comment
  RSA522302  Setaria viridis Steve Boyd 1989-7-9 3772 San Diego De Luz Canyon: Along De Luz-Murrieta Road and De Luz Creek. 150 Comment
  UCR225166  Sherardia arvensis Steve Boyd 2005-7-4 11633 Riverside Coastal Plains & Basins; San Bernardino Basin region, City of Riverside, Wood Steets neighborhood, southeast of confluence of Arroyo Tequesquite and Santa Ana River, northeast corner of Brockton Ave. and Beechwood Place. 244 Comment
  CHSC57021  Sidalcea diploscypha Josephine Boyd 1988-5-5 San Mateo Ca 500 ft se of the twin topped peak located ca 0.4 mi e of the jct. between Hwy. 280 and Edgewood Road in Redwood City. 222 Comment
  CAS-BOT-BC205601  Sidalcea malviflora Steve Boyd; Tim Ross; Mike Wall 1992-6-4 7542 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Devil Canyon at the confluence with Miller Creek 536 Comment
  SD152811  Sidalcea malviflora Steve Boyd, Tim Ross, Mike Wall 1992-6-4 7542 San Diego Southern Santa Ana Mountains, San Mateo Wilderness Area. Devil Canyon at the confluence with Miller Creek Common on open benches and in understory of oak woodland. 536 Comment
  RSA496386  Sidalcea malviflora subsp. sparsifolia Steve Boyd, Tim Ross, L. Arnseth 1989-3-31 3063 Riverside Vail Lake area, S. of Hwy 79, 0.25 mile E. of Pauba Rd 427 Comment
  RSA525341  Silene antirrhina Steve Boyd, A. C. Sanders, Mark Skinner 1990-4-28 4440 Riverside Vail Lake area, summit of Big Oak Mtn, N of lake 762 Comment
  RSA543888  Silene antirrhina Steve Boyd 1991-5-20 6262 Riverside Temescal Canyon, S flank of Alberhill Mtn, W end adjacent to old clay mine area. 426 Comment
  RSA557874  Silene gallica Steve Boyd 1992-4-23 7056 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
  RSA525698  Silene gallica Steve Boyd, Timothy S. Ross 1990-5-11 4636 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
  RSA560367  Silene gallica Steve Boyd 1992-4-14 6823 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail. 341 Comment
  RSA701557  Silene gallica Steve Boyd, Aydee Virgen 2004-4-13 10848 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UCR138866  Silene verecunda subsp. platyota Steve Boyd, Pesach Lubinsky 1998-8-10 10272 San Bernardino San Bernardino Mtns., Ridgeline east of Sugarlump (a.k.a. Bear Mountain), head of Deer Canyon 2646 Comment
  RSA600372  Silybum marianum Steve Boyd, Lauren Raz 1997-5-28 9866 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
  RSA562557  Sisymbrium altissimum Steve Boyd, Orlando Mistretta 1993-5-11 8123 Los Angeles 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
  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
  UC1929775  Sisymbrium altissimum Steve Boyd, Michael Denslow, Amber Maurice, Sarah Swartzentruber, Aydee Virgen 2003-6-27 10559 Tulare Sierra Nevada; Southern Sierra Nevada region; Chimney Peak Recreation Area, summit of northern high point on Bear Mountain (Bear Peak). 2509 Comment
  SBBG105069  Sisymbrium irio S. Boyd with T. Ross, W. Appleby 1993-3-19 7794 San Bernardino S base of Avawatz Range at mouth of Sheep Crk Springs Cyn in old mine area 600 Comment
  CHSC23175  Sisyrinchium bellum Catherine Boyd 1964-5-22 Alameda Strawberry Canyon, near Panoramic Drive. 304 Comment
  RSA562100  Solanum americanum Steve D. Boyd, Orlando Mistretta 1992-4-23 7034 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
  SD152740  Solanum americanum Steve Boyd, Orlando Mistretta 1992-4-23 7034 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. Moist sand along stream. Surrounding slopes burned in 1989 fire. 152 Comment
  RSA560398  Solanum douglasii Steve D. Boyd, Tim S. Ross 1992-4-29 7147 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
  UCR22092  Solanum douglasii Steve Boyd 1980-9-23 360 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau. 625 Comment
  UCR22087  Solanum esculentum Steve Boyd 1980-9-22 358 Riverside Gavilan Hills, Harford Springs County Park on the NW corner of the Gavilan plateau Comment
  UCR77585  Solanum nigrum Steve Boyd 1991-7-13 6418 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
  SEINET12892950 Image available Solanum parishii S. D. Boyd, T. S. Ross 1991-1 6116 Unknown Comment
  UC1584071  Solanum rostratum Steve Boyd 1988-7-24 2858 Riverside ne of Lake Mathews (El Sobrante Road at junction with Mockingbird Canyon Road) Comment
  CAS-BOT-BC157241  Solanum umbelliferum S. Boyd; T. S. Ross; L. Arnseth 1990-3-30 3956 Riverside Vail Lake area, at S end of Black Hills S of 'Big' Oak Mtn. 731 Comment
  NY820624  Solanum umbelliferum S. D. Boyd 1992-3-31 6741 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
  RSA583616  Solanum umbelliferum Steve D. Boyd, Darin Banks 1995-3-30 8407 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
  RSA520941  Solidago californica Steve Boyd, David E. Bramlet 1988-10-8 2861 Riverside Cahuilla Mountain, southwest of Anza at head of Bautista Canyon, along the crest of the mountain Comment
  RSA561523  Solidago californica Steve Boyd, Timothy S. Ross, D. E. Bramlet 1992-9-9 7673 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
  UCR20813  Sonchus asper Steve Boyd 1980-5-14 s.n. Riverside Perris Basin, Motte Reserve, in the rocky hills 2.5 mi NW of Perris 518 Comment
  RSA593492  Spartium junceum Steve Boyd, Micahel Wall 1996-5-16 8776 Los Angeles Liebre Mountains, confluence of Ruby Canyon and Elizabeth Lake Canyon at northwest end of Red Mountain. 585 Comment
  UCR68938  Spergularia macrotheca Steve Boyd, T. S. Ross, L. Arnseth 1990-4-7 4250 Los Angeles Channel Islands, San Clemente Island: lower half of China Canyon, S end of island, W side 183 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
  RSA0098524  Spergularia marina Steve Boyd, David E. Bramlet 1991-5-13 6237 Riverside Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. N of Santa Fe RR tracks, W of San Diego aqueduct. Comment
  RSA0097709  Spergularia salina Steve Boyd, Michael Wall, Tim Ross 1992-6-2 7490 San Diego Southern Santa Ana Mts., San Mateo Canyon Wilderness Area. Devil Canyon from confluence with Miller Creek downstream approximately one mile. 487 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
  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
  UCR48436  Sphaeralcea ambigua Steve Boyd 1986-2-6 1220 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
  RSA486637  Sphaeralcea ambigua subsp. ambigua Steve Boyd, D. Charlton, L. Arnseth, D. Nordin, S. Meury, Richard Noyes, Tim S. Ross 1988-4-8 1614 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
  RSA571521  Stachys ajugoides var. rigida Steve Boyd, D. L. Banks 1994-4-5 8276 Orange Southern Santa Ana Mountains along the ridgeline between Lucas and Verdugo Canyons west of Verdugo Potrero, near transit point Lucas . 427 Comment
  RSA596700  Stachys albens Steve Boyd, Lauren Raz 1996-9-24 8932 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
  RSA601045  Stachys albens Steve Boyd, Lauren Raz 1997-6-18 9983 Los Angeles Liebre Mountains region: Portal Ridge, open ridgeline about junction of Juday Truck Trail and Troedel Motorway, south of Troedel Spring. 1183 Comment
  SBBG105052  Stachys rigida S. Boyd, D. Banks 1994-4-5 8276 Orange ridgeline between Lucas and Verdugo Cyns W of Verdugo Potrero, near transit point "Lucas" 426 Comment
  RSA562760  Stachys rigida subsp. quercetorum Steve Boyd, T. S. Ross 1992-5-19 7436 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
  RSA502195  Stachys stebbinsii Steve Boyd, T. S. Ross, L. Arnseth 1989-6-11 3703 Riverside Vail Lake area, sandy wash draining into Wilson Creek at E end of lake. Comment
  UC1563115  Stanleya pinnata Steve Boyd, Tim Ross, Laurel Arnseth 1989-6-11 3732 Riverside e, edge hills n side Wilson Creek Vail Lake; Vail Lake area, n side Wilson Creek 487 Comment
  UC1608237  Stebbinsoseris heterocarpa Steve Boyd 1992-4-14 6819 Riverside western edge Oak Flats area along Bluewater Trail from Verdugo Trail s to crest of ridge w side Bluewater Canyon (San Mateo Cyn Wilderness Area, Santa Ana Mtns); Santa Ana Mtns, San Mateo Cyn Wilderness Area, western edge 731 Comment
  RSA525704  Stellaria media subsp. pallida Steve Boyd, Timothy S. Ross 1990-5-11 4642 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
  RSA703113  Stellaria nitens Steve Boyd, Naomi Fraga 2004-4-27 10963 San Diego 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
  RSA561436  Stephanomeria cichoriacea Steve Boyd, Orlando Mistretta, Timothy S. Ross 1992-10-2 7695 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
  RSA544395  Stephanomeria diegensis Steve Boyd 1991-5-30 6322 B Riverside Winchester Valley, SE end of Double Butte, just N of Winchester, 1/2 mile W of Highway 79 457 Comment
  RSA561445  Stephanomeria diegensis Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-10-2 7703 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
  OBI40176  Stephanomeria exigua subsp. deanei Steve Boyd 1985-7-30 1063 San Diego Lower Cottonwood Cyn, near its confluence with De Luz Crk Comment
  RSA500548  Stephanomeria exigua subsp. deanei Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-6-4 3593 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  SD152918  Stephanomeria exigua subsp. deanei Steve Boyd, Tim Ross, Dave Bramlet 1992-9-9 7683 Riverside So. Santa Ana Mtns, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the jct. of Tenaja Rd & Los Alamos Rd at the confluence of Los Alamos Creek, up the San Mateo Trail no. to Potrero de la Cienega. Openings in chaparral, SE1/4 SE1/4 sec. 9. 395 Comment
  RSA701162  Stephanomeria pauciflora Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11269 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
  UCR200762  Stephanomeria pauciflora Steve Boyd, LeRoy Gross 2008-4-11 11867 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
  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
  RSA543299  Stillingia linearifolia Steve Boyd 1991-3-17 5512 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
  SD152980  Stipa pulchra Steve Boyd, Tim Ross 1992-5-6 7286 San Diego Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Southern flank of Miller Mountain, about upper portions of Millere Canyon, the major drainage on the southern flank of the mountain. 701 Comment
  UCR48377  Stipa pulchra Steve Boyd 1986-5-7 1829 Riverside Temescal Canyon, Alberhill Mountain: lower slopes of S flank just east of clay mine area 427 Comment
  UCR72764  Stipa pulchra Steve Boyd, T. S. Ross, L. Arnseth 1990-4-8 4364 Los Angeles Channel Islands, San Clemente Island: E side of the island, near Malo Point, third canyon south of Bryce Canyon 427 Comment
  UCR98917  Stipa pulchra Steve Boyd, A. C. Sanders, R. T. Hawke, S. Hawke, S. Hobbs, P. Hobbs 1997-4-20 9577 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
  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
  RSA701913  Streptanthella longirostris Steve Boyd, Michael Denslow 2004-3-23 10660 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
  RSA735247  Streptanthus campestris Steve Boyd, Lisa Rojas 2004-5-26 11353 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
  UCR204188  Streptanthus cordatus Steve Boyd, Michael Denslow, Amber Maurice, Sarah Swartzentruber, Aydee Virgen 2003-6-27 10519 Tulare Southern Sierra Nevada Range, Chimney Peak Recreation Area, summit of northern high point on Bear Mountain (Bear Peak) 2509 Comment
  RSA495417  Stylocline gnaphaloides Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-3-12 2940 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA496132  Stylocline gnaphaloides Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-3-18 3011 Riverside Vail Lake area, low hills west of Kolb Creek arm of lake. 488 Comment
  RSA524598  Stylocline gnaphaloides Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-3-29 3913 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  RSA592783  Stylocline gnaphaloides Steve Boyd 1996-4-25 8683 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
  RSA517911  Stylocline intertexta Steve Boyd, Thomas S. Elias, Erika Winter 1986-2-18 1316 Riverside Mecca Hills, Colorado Desert: Painted Canyon N of Highway 195. Comment
  UCR22115  Stylomecon heterophylla Steve Boyd 1980-5-11 232 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
  HSC85401  Suaeda nigra Steve Boyd 1986-4-19 1715 Riverside Temescal Canyon, Warm Springs Valley, Alberhill Creek E of Nichols Rd. 366 Comment
  RSA520087  Symphoricarpos mollis Steve Boyd 1988-10-8 2879 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  RSA500169  Tamarix ramosissima Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-6-10 3658 Riverside Vail Lake area, Temecula Creek canyon below the dam. 457 Comment
  RSA557795  Tamarix ramosissima Steve D. Boyd, Tim S. Ross 1992-4-29 7131 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
  RSA523527  Tauschia arguta Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3986 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA552722  Tauschia arguta Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-26 6692 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  RSA599823  Tauschia arguta Steve Boyd, Lauren Raz 1997-3-31 9400 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
  RSA600169  Tauschia arguta Steve Boyd, Lauren Raz 1997-5-1 9661 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
  RSA701746  Tauschia arguta Steve Boyd, Valerie Soza 2004-6-22 11543 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
  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
  RSA518041  Tauschia parishii Steve Boyd, Dave Bramlet 1986-6-9 1884 Tulare Chimney Creek Canyon, side canyon south of peak 7155, S of Chimney Meadow. 1738 Comment
  UCR21994  Tetradymia comosa Steve Boyd 1980-7-12 325 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  SBBG105093  Thalictrum fendleri var. polycarpum S. Boyd, W. Appleby 1993-4-8 7928 San Diego upper Devil Cyn from rd 8S01 downstream to vicinity of Mud Spring 731 Comment
  UC1871320  Thalictrum fendleri var. polycarpum Steve Boyd, W. Appleby 1969-12-31 7928 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
  UCR147770  Thalictrum fendleri var. polycarpum Steve Boyd, LeRoy Gross 2004-5-4 11154 B 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
  RSA569974  Thysanocarpus curvipes Steve Boyd, Timothy S. Ross, Walter Appleby 1993-3-19 7858 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
  RSA0041603  Thysanocarpus curvipes Steve Boyd, Walter Appleby 1993-4-8 7939 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
  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
  SD152898  Thysanocarpus curvipes subsp. elegans Steve Boyd, Tim Ross, et al. 1992-3-11 6719 San Diego Santa Ana Mountains; upper Devil Canyon downstream to large waterfall area. 640 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
  RSA0041845  Thysanocarpus curvipes var. curvipes Steve Boyd, Darin Banks 1994-4-5 8256 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
  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
  CAS-BOT-BC67012  Thysanocarpus laciniatus Steve Boyd; Thomas S. Elias 1987-4-14 2050 Los Angeles San Gabriel Mountains, Rincon - Red Box Road south of Rincon Forest Station. North of Glendora. Comment
  RSA0041640  Thysanocarpus laciniatus Steve Boyd, Lauren Raz 1997-3-31 9408 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
  RSA479509  Thysanocarpus laciniatus Steve Boyd, Thomas Elias 1987-4-14 2050 Los Angeles San Gabriel Mountains, Rincon - Red Box Road, S of Rincon Forest Station, N. of Glendora. Comment
  SBBG97020  Thysanocarpus laciniatus S. Boyd with T. Ross, L. Arnseth 1990-4-8 4438 Los Angeles Bryce Cyn near Malo Pt Comment
  RSA0039815  Thysanocarpus laciniatus Steve Boyd, Timothy S. Ross, Orlando Mistretta, Kendall McCulloh 1992-3-11 6722 San Diego Santa Ana Mountains. San Mateo Canyon Wilderness Area. Upper Devil Cyn. from 8S01 downstream to large waterfall area. 640 Comment
  UCR51864  Thysanocarpus laciniatus var. crenatus Steve Boyd, T. S. Elias 1987-4-14 2050 Los Angeles San Gabriel Mtns., Rincon to Red Box Road, south of Rincon Forest Station, north of Glendora 991 Comment
  RSA572969  Thysanocarpus laciniatus var. laciniatus Steve Boyd 1986-3-9 1398 -B Riverside Temescal Canyon: Terrace escarpments between Indian Truck Trail and Horsethief Wash. 367 Comment
  RSA702262  Toxicodendron diversilobum Steve Boyd, Aydee Virgen 2004-4-13 10853 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UCR79272  Tragopogon porrifolius Steve Boyd, T. S. Ross 1992-5-19 7437 Orange S Santa Ana Mtns, San Mateo Canyon Wilderness Area. W edge of the wilderness in Lucas Canyon from crossing of creek by Lucas Canyon trail, downstream to confluence with Aliso Canyon. 335 Comment
  UC1563111  Tribulus terrestris Steve Boyd, Tim Ross, Laurel Arnseth 1989-6-10 3695 Riverside benches of and adjacent hills E Arroyo Seco (Vail Lake area); Vail Lake 487 Comment
  UCR60268  Tribulus terrestris Steve Boyd, T. S. Ross, L. Arnseth 1989-6-10 3695 Riverside Peninsular Range, Vail Lake area, benches of Arroyo Seco and slopes of hills to the east 488 Comment
  HSC85357  Trichoptilium incisum Steve Boyd 1986-2-6 1256 Imperial Cargo Muchacho Mtns., Bajada E of the mountains, Powerline Rd. 5 mi. W of Picacho Rd. Comment
  RSA526496  Trichostema parishii Steve Boyd, T. S. Ross 1990-5-11 4691 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  UCR68870  Trichostema parishii Steve Boyd, T. S. Ross 1990-5-11 4691 Riverside Vail Lake area, Cleveland National Forest, N flank and summit of Wild Horse Peak, Agua Tibia Mtns 999 Comment
  RSA735629  Tridens muticus Steve Boyd, Tammy Morgan 2004-6-1 11425 San Bernardino Clark Mountains, western flank of the range in large canyon south of Pachalka Spring. 1433 Comment
  UC1584075  Tridens muticus Steve Boyd 1990-10-4 5216 San Bernardino New York Mountains, E Mojave Desert, upper part of Carruther's Canyon Carruther's Canyon; New York Mountains, E Mojave Desert, Carruther's Canyon Comment
  OBI70622  Trifolium albopurpureum Steve Boyd, Andrew C. Sanders, R. T. Hawke, Shaun Hawke, Susan Hobbs, Paul Hobbs 1997-4-20 9534 Kern San Emigdio Range: San Emigdio Ranch, Los Lobos Cyn. T10N R22W center of E border S 1/2 sec 20; 10N 22W sec 21 914 Comment
  SD152844  Trifolium albopurpureum Steve Boyd, Tim Ross 1992-5-5 7225 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, eastern portions of Oak Flats along Bluewater Trail 730 Comment
  RSA562080  Trifolium ciliolatum Steve D. Boyd, Tim S. Ross 1992-5-6 7292 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
  RSA600589  Trifolium ciliolatum Steve Boyd, A. C. Sanders, R. T. Hawke, Shaun Hawke, Susan Hobbs, Paul Hobbs 1997-4-20 9591 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
  SD153093  Trifolium ciliolatum Steve Boyd, Tim Ross 1992-5-6 7292 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
  UC1608278  Trifolium ciliolatum Steve Boyd and Tim Ross 1992-5-5 7259 Riverside along Serrano Springs drainage (betw Lucas Canyon Trai and junction of Bluewater and Verdugo Trails, n of Serrano Springs); Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area 731 Comment
  RSA560368  Trifolium depauperatum var. amplectens Steve D. Boyd 1992-4-14 6814 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
  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
  SD181507  Trifolium depauperatum var. truncatum Steve Boyd 2001-4-12 10416 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 Ter Cotta. Comment
  UCR146254  Trifolium depauperatum var. truncatum Steve Boyd 2001-4-12 10416 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
  RSA500207  Trifolium gracilentum Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3536 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 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
  UC1928518  Trifolium gracilentum var. gracilentum Steve Boyd, Heidi Bigelow 2004-4-5 10815 San Diego Peninsular Ranges; Cuyamaca-Laguna Mountains region; Pine Hills area, between Magee Flat and Deadman Flat along Eagle Peak Rd. 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
  RSA543941  Trifolium microcephalum Steve D. Boyd 1991-5-10 6221 Riverside Temescal Canyon, E base of Santa Ana Mountains. Terrace escarpment just SE of Indian Truck Trail off ramp of I-15, S of DePalma Rd. 412 Comment
  RSA560841  Trifolium microcephalum Steve D. Boyd, Tim S. Ross, Bob Boyd 1992-5-4 7181 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  SBBG101732  Trifolium microcephalum S. Boyd 1991-5-10 6221 Riverside Temescal Cyn, terrace escarpment just SE of Indian Truck Trail offramp of I-15, S of DePalma Rd 411 Comment
  UC1928579  Trifolium microcephalum Steve Boyd, Valentin Arvizu 2008-5-2 11991 Kern Sierra Nevada; Southern Sierra Nevada region; Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley. 1372 Comment
  UCR71182  Trifolium microcephalum Steve Boyd, Et al. 1990-4-8 4379 Los Angeles Channel Islands, San Clemente Island: E side of the island, near Malo Point, third canyon south of Bryce Canyon 427 Comment
  UCR224257  Trifolium obtusiflorum Steve Boyd, Michael Wall 2006-7-7 11670 San Diego Peninsular Ranges; Santa Ana Mountains region, 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
  UCR49255  Trifolium truncatum Steve Boyd 1986-3-9 1390 Riverside Peninsular Range, Temescal Canyon: Alberhill Mtn., south slope of mtn., just east of claymine area 488 Comment
  UCR79264  Trifolium truncatum Steve Boyd 1992-4-14 6814 Riverside Santa Ana Mtns., San Mateo Canyon Wilderness Area. Western edge of Oak Flats Area along Bluewater Tr. from Verdugo Tr. S to crest of ridge W side Bluewater Canyon 793 Comment
  UCR68858  Trifolium variegatum Steve Boyd, T. S. Ross 1990-5-11 4656 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
  RSA507974  Trifolium willdenovii Steve D. Boyd, Tim S. Ross 1988-4-28 2228 Los Angeles West end of San Gabriel Mtns, Sand Canyon E of Saugus. In small side canyon; along stream. Angeles National Forest. 640 Comment
  UC1595594  Trifolium willdenovii Steve Boyd and Tim Ross 1990-5-11 4612 Riverside e Dripping Springs Campground (s of Hwy 79); base of Agua Tibia Mtn, Cleveland National Forest, Vail Lake 548 Comment
  UC1608261  Trifolium willdenovii Steve Boyd and Tim Ross 1992-5-5 7226 Riverside e portions Oak Flats (along the Blue Water trail); Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area; T7S R6W E1/2 SE1/4 sec. 13; T7S R5W W1/2 SW1/4 sec. 18 Comment
  UCR160035  Trifolium willdenovii Steve Boyd, V. Arvizu 2004-6-8 11483 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
  RSA527762  Trifolium willdenovii Steve D. Boyd, Tim S. Ross, Laurel Arnseth 1990-4-8 4326 B Los Angeles San Clemente Island. E side of island, near Malo Point, second Cyn S of Bryce Cyn. Comment
  SEINET10577884  Trifolium willdenovii Steve Boyd 1992-4-14 Boyd 6864 Riverside Santa Ana Mountains, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. downstream to the confluence with San Mateo Creek. T7S R5W secs. 19, 20, 29. Oak and riparian woodland in cyn, chaparral on slopes, all burned in 1989. 335 Comment
  RSA562094  Triodanis biflora Steve Boyd, Orlando Mistretta 1992-4-23 7040 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
  CAS-BOT-BC522114  Triteleia ixioides subsp. scabra Steve Boyd; Andrew C. Sanders; R. T. Hawke; Shaun Hawke; Susan Hobbs; Paul Hobbs 1997-4-20 9561 Kern San Emigdio Ranch, ridge on west side of Pleito Canyon, approximately 4.5 air miles due north of Antimony Peak, Pleito Hills region, San Emigdio Range 1219 Comment
  UCR48439  Trixis californica Steve Boyd 1986-2-6 1224 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
  UCD116061  Tropidocarpum gracile Steve Boyd 1986-3-1 1371 Riverside Gavilan Plateau, Gavilan Hills. 1/4 mile S of Harford Springs County Park. 640 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
  RSA0125805  Turritis glabra Steve Boyd, LeRoy Gross 2004-5-4 11124 San Diego Hills north of Warner Springs, north Indian Flats Campground of Cleveland National Forest along Road 9S05. 899 Comment
  RSA593396  Typha domingensis Steve Boyd, Orlando Mistretta 1996-5-23 8824 Los Angeles Liebre Mountains, Castaic Creek drainage from Fish Canyon downstream to powerplant, just north of upper end of Castaic Lake. 470 Comment
  SD152975  Typha domingensis Steve Boyd, O. Mistretta, D. Bramlet 1992-6-22 7651 San Diego San Mateo Canyon Wilderness Area. Devil Canyon at the confluence with Miller Creek 536 Comment
  HSC80302  Umbellularia californica Steve Boyd 1985-8-7 1088 San Diego Upper Cottonwood Canyon, 3.6 mi. (by road) NW of junction of Tenaja Trail and De Luz Road. Comment
  SD122890  Umbellularia californica Steve Boyd 1985-8-7 1088 San Diego Upper Cottonwood Canyon, 3.6 mi. (by road) northwest of jtn of Tenaja Trail and De Luz Rd. Comment
  RSA334638  Urtica dioica subsp. holosericea Steve D. Boyd 1985-8-7 1086 San Diego Upper Cottonwood Canyon, 3.6 mi. (by road) northwest of jtn of Tenaja Trail and De Luz Rd. Comment
  UCR124139  Urtica dioica subsp. holosericea Steve Boyd, T. S. Ross 1989-8-28 3804 Riverside Peninsular Range, Vail Lake area, Temecula Creek at confluence w/ the lake & adjacent sedimentary hills to the east. 488 Comment
  RSA562564  Urtica urens Steve D. Boyd, W. Appleby 1993-4-22 7986 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
  RSA592790  Urtica urens Steve D. Boyd 1996-4-25 8676 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
  SD152915  Venegasia carpesioides Steve Boyd 1992-4-15 6878 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. downstream to the confluence with San Mateo Creek. 334 Comment
  RSA544305  Verbena lasiostachys Steve D. Boyd 1991-7-13 6410 Riverside Peninsular Range Temescal Canyon, W base of Gavilan Hills, area of old glass factory between Temescal Wash and I-15, just south of Cajalco Road. Comment
  RSA500199  Veronica anagallis-aquatica Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3545 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  RSA701171  Veronica anagallis-aquatica Steve D. Boyd, Amber Maurice 2004-5-18 11344 Los Angeles Elizabeth Lake Canyon at and just upstream from confluence with Ruby Canyon, between Warm Springs Mountain and Red Mountain. 610 Comment
  RSA557881  Veronica anagallis-aquatica Steve D. Boyd, Orlando Mistretta 1992-4-23 7049 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
  RSA611671  Veronica peregrina subsp. xalapensis Steve D. Boyd, Lauren Raz, Mike Kinney 1998-3-17 10102 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
  RSA495815  Vicia exigua Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2925 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 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
  SBBG96670  Vicia ludoviciana S. Boyd with T. Ross, L. Arnseth 1990-4-7 4260 Los Angeles lower half of China Cyn 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
  RSA552769  Vicia sativa Steve D. Boyd, Tim S. Ross, Orlando Mistretta 1992-3-31 6764 Riverside San Mateo Cyn. Wilderness Area. Tenaja Trail from jtn w/ Morgan Tr. S to Pigeon Spring area. 670 Comment
  SD152839  Vicia sativa Steve Boyd, Tim Ross 1992-5-5 7242 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, eastern portions of Oak Flats along Bluewater Trail 747 Comment
  SD136837  Vicia sativa subsp. nigra Steve Boyd, Tim Ross 1992-5-5 7261 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, Oak Flats along Serrano Spring drainage between Lucas Canyon Trail & junction of Bluewater & Verdugo Trails, grassy openings 730 Comment
  SD152734  Viola pedunculata Steve Boyd, Tim Ross, Kendall McCulloh 1993-3-12 6727 San Diego Santa Ana Mountains, San Mateo Canyon Wilderness Area. Devil Canyon from large waterfall area, downstream to the confluence with Miller Creek. Locally common on grassy benches and mesic openings in chaparral. 548 Comment
  UCR37494  Viola pedunculata Steve Boyd 1981-3-11 s.n. Riverside Estelle Mountain, along fenceline between T5S, R5W S5 and T4S, R5W S 32 793 Comment
  UCR49216  Viola pedunculata Steve Boyd 1986-4-2 1590 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  CAS-BOT-BC270092  Viola pinetorum var. grisea Steve Boyd; Dave Bramlet 1986-6-9 1934 Tulare Southern Sierra Nevada Mountains, Chimney Creek Canyon, N slope Peak 7155, S Chimney Meadow 2072 Comment
  UCR200228  Viola purpurea subsp. mohavensis Steve Boyd, Valentin Arvizu 2008-5-1 11923 Kern Southern Sierra Nevada Range, Piute Mountains, lower Esperanza Canyon at eastern base of Sorrell Peak and western edge of Kelso Valley 1463 Comment
  OBI37564  Vitis girdiana Steve Boyd 1985-7-23 1013 Riverside De Luz Rd, 8 mi W of Rancho calif 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
  RSA0121728  Vitis girdiana Steve D. Boyd 1985-7-23 1013 Riverside De Luz Road, 8.0 miles W of Rancho California. Sandia Creek. 305 Comment
  RSA611345  Vulpia microstachys var. pauciflora Steve Boyd 1998-4-1 10137 Los Angeles Mojave Desert: Antelope Valley, along Highway 138 (West Avenue D), ca. 1.8 miles west of the junction with Highway 14, ca. 4 miles southwest of Rosamond Dry Lake. 701 Comment
  SEINET10926391  Vulpia microstachys var. pauciflora Steve Boyd, Timothy S. Ross 1990-5-11 Boyd 4700 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. T8S, R1W E1/2 SE1/4 sec. 27; S1/2 SW1/4 sec. 26. Most of slopes burned chaparral, unburned patches on summit, oaks and Pseudotsuga in upper draws. Annual grass, scattered on burned slopes. 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
  SD136946  Vulpia myuros var. hirsuta Steve Boyd 1992-4-14 6826 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Western flank of Bluewater Cyn along Bluewater Trail. 341 Comment
  RSA726863  Vulpia myuros var. myuros Steve Boyd, Aydee Virgen 2004-4-13 10898 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  RSA522710  Vulpia octoflora Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3896 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
  RSA583369  Vulpia octoflora var. hirtella Steve Boyd, Darin Banks 1995-4-5 8429 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
  RSA611635  Vulpia octoflora var. hirtella Steve Boyd, Valerie Soza, Mike Kinney, J. Mark Porter 1998-3-24 10117 A 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
  UCR38235  Woodsia scopulina Steve Boyd 1981-6-21 s.n. Inyo Sierra Nevada Mountains, Trail to Golden Trout Lake from Onion Valley Comment
  RSA334670  Woodwardia fimbriata Steve Boyd 1985-6-30 1065 San Diego Lower Cottonwood Canyon, near its confluence with De Luz Crk. Comment
  RSA560307  Wyethia ovata Steve Boyd, Timothy S. Ross 1992-6-4 7589 San Diego Southern Santa Ana Moutains, San Mateo Canyon Wilderness area. Southeastern edge of wilderness in upper Devil Canyon drainage, southwest of Sky Ranch, along Forest Service Road. 732 Comment
  SBBG55063  Xylococcus bicolor S. Boyd 1980-3-29 BC 177 Unknown Mex 1, +/- 5 mi S of Santo Tomas Comment
  UC1595731 Image available Xylococcus bicolor Steve Boyd, Tim Ross, Orlando Mistretta 1992-2-2 6650 Riverside Santa An Mtns, San Mateo Canyon Wilderness of the Cleveland National Forest. Lower half of Tenaja Cyn, especially about Fishermans Camp, San Mateo Canyon Wilderness of the Cleveland National Forest Tenaja Canyon; Comment
  RSA702391  Xylorhiza tortifolia Steve Boyd, Tammy Morgan 2004-3-30 10690 San Bernardino Southern end of the Cady Mountains northwest of Ludlow (north of Interstate 40) about hill topped with communication towers. 854 Comment
  UC1595593  Yucca whipplei Steve Boyd, Laurel Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4580 Riverside Vail Lake area Oak Mtn. (steep se flank of mt. above ne end of lake) 579 Comment
  UCR21948  Yucca whipplei Steve Boyd 1980-5-3 194 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  SD136829  Zeltnera venusta Steve Boyd, Tim Ross 1994-9-14 8353 Orange San Mateo Canyon Wilderness Area of the Cleveland National Forest; Lucas Canyon. 299 Comment
  UC1871074  Zigadenus fremontii Steve Boyd, W. Appleby 1969-12-31 7934 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
  UCR21921  Zigadenus fremontii Steve Boyd 1980-4-8 108 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment



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