Search Results — 2000 specimen records retrieved (1911 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/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA518562  Abies concolor F. C. Vasek 1976-7-4 760704 -5 Riverside San Jacinto Mountains, Pine Cove. 1829 Comment
  UCR63918  Abies concolor Frank C. Vasek 1976-7-4 760704- 01 Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1829 Comment
  CAS-BOT-BC229351  Abronia villosa Milo S. Baker 1928-4-5 2848 b Riverside Palm Springs Comment
  CHSC1076  Abronia villosa E. Thomas 1939-10-26 Riverside Cathedral City. Comment
  RSA652381  Abronia villosa C. J. Humphrey, Herbert Humphrey 1936-6-8 76 Riverside Along roadside in desert 20 miles west of Indio Comment
  RSA701495  Abronia villosa M. Wall 1996-5-13 133 Riverside Hemet, Ramona Expressway/Mtn Ave. S of State St on W side of road at 7th St. 457 Comment
  UCD109832  Abronia villosa Scora 1966-4-1 3026 Riverside 400 meters before Hidden Spring Oasis on road from Thousand Palms. Comment
Read comments
Feb 23 2014
  POM727  Abronia villosa var. aurita P. A. Munz 1918-4-27 2131 Riverside Temescal Canyon. Comment
  RSA747727  Abronia villosa var. aurita Justin M. Wood 2009-3-26 395 Riverside Western foothills of Mecca Hills, +/- 0.5 air mile east of the Coachella Canal and 4 air miles S of the I-10 Freeway. 21 Comment
  SDSU8425  Abronia villosa var. aurita H. Wedberg 1962-7-28 990 Riverside On Hwy 74 between Hemet Meadow and Santa Rosa Summit. 1372 Comment
Read comments
Jan 24 2013
  SEINET5585526  Abronia villosa var. aurita Duncan S. Bell 2012-1 3154 Riverside Southern section of the Mecca Hills; approximately 2.5 air miles southeast of where the Coachella Canal and Hidden Springs Canyon cross each other. 37 Comment
  UCR280972  Abronia villosa var. aurita Mitch Provance 2017-4-12 417- 78 Riverside Temescal Valley, South of the I-15, south side of Temescal Canyon Rd., vicinity of small bridge 0.8 mi W of Lake St., 0.3 mi E of Hostettler Rd. 372 Comment
  UCR95230  Abronia villosa var. aurita D. L. Banks, E. H. Banks 1996-5-2 966 Riverside NW Palomar Mtns., Agua Tibia Mtns, WSW of Dorland Mtn., in the Pechanga Indian Reservation; margins of Pechanga Creek, c. 15 m east of Pala Road 351 Comment
  RSA782338  Abronia villosa var. villosa Jim Andre, G. L. Clifton 2011-2-22 17467 Riverside Coachella Valley; just south of I-10 at Amtrak train station parking, just west of N Indian Canyon Drive 186 Comment
  UCR244727  Abronia villosa var. villosa Jim Andre 2012-3-19 21344 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177, 8.6 mi. NE of junction with I-10 152 Comment
  RSA709872  Acacia greggii Scott D. White 2005-7-6 11153 Riverside San Gorgonio Pass: Cabazon. Toeslope of San Jacinto Mtns. and adjacent alluvial fan west of San Gorgonio River and south of I-10 Freeway. 579 Comment
  UC604867  Acacia greggii Roxana S. Ferris and Ruth P. Rossbach 1938-5-16 9563 Riverside Mecca Hills 2 mi up Painted Canyon; Mecca Hills Comment
  RSA554009  Acacia greggii var. arizonica A. C. Sanders, E. J. Lawlor 1992-4-4 12142 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  RSA757824  Acamptopappus sphaerocephalus M. Wall 2010-5-6 556 Riverside San Gorgonio Pass area, off Tipton Rd. ca. 0.75 miles west of jct with Hwy 111 350 Comment
  SBBG7491  Acamptopappus sphaerocephalus var. sphaerocephalus H. and M. Dearing 1939-12-31 4044 Riverside N of Palm Springs Comment
  CAS-BOT-BC331638  Acer macrophyllum B. D. Stark 1930-2-21 1474 Riverside Hidden Canyon, near Corona, Santa Ana Mts. Comment
  CLARK-A1528-1375  Acer negundo subsp. californicum John C. Roos 1952-6-25 5790 Riverside Fairmont Park Comment
  POM11903  Acer negundo subsp. californicum Philip A. Munz 1922-6-24 5804 Riverside Hemet Valley, San Jacinto Mountains, occasional along upper parts of Pipe Creek 1585 Comment
Read comments
May 28 2011
  UC217887  Acer negundo var. californicum P. A. Munz 1922-6-24 5804 Riverside along upper parts of Pipe Creek San Jacinto Mts., , Pipe Creek (Hemet Valley) 1584 Comment
  SBBG34672  Achnatherum hymenoides T. L. Secrest 1950-3-13 Riverside near Salton Sea Comment
  POM353193  Achnatherum speciosum Christopher Davidson, B. Gustafson 1977-4-7 5583 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. Hillside, N slope 610 Comment
  CAS-BOT-BC384731  Achyronychia cooperi L. A. Greata 1905-5-1 497 Riverside Colo. Desert Comment
  OBI26118  Achyronychia cooperi David J. Keil 1976-12-12 11919 Riverside Along I-10, 37 mi E of Chiriaco Summit Comment
  SBBG1974  Achyronychia cooperi H. and M. Dearing 1931-12-26 217 Riverside near Indio Comment
  SEINET3156338  Achyronychia cooperi L. A. Greata 1905-1 497 Riverside Colorado desert Comment
  UCR60790  Achyronychia cooperi Steve Boyd, Orlando Mistretta 1986-3-13 1405 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
  UCR246722  Acleisanthes longiflora Duncan S. Bell, John Anderson, Kim Clark, Keir Morse 2012-11-10 4353 Riverside Sonoran (Colorado) Desert, Big Maria Mountains: southeast section of range, approximately 0.6 air miles northwest of Palo Verde Dam 97 Comment
  CAS-BOT-BC213470  Acmispon argophyllus var. argophyllus H. M. Hall 1902-4-1 2899 Riverside Vicinity of Sage 762 Comment
  JOTR34137  Acmispon maritimus var. brevivexillus La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3090 Riverside Joshua Tree National Park. West Cottonwood Mountains; rocky bench between deep drainages in large southwest facing canyon feeding into east Pinkham Wash Comment
  SD140106  Acmispon strigosus Scott White 1993-4-22 1242 Riverside North Aberhill Ranch, in hills of Walker Canyon 487 Comment
  UC1931117  Acourtia microcephala Scott D. White, Justin Wood 2008-6-18 12202 Riverside San Jacinto Mountains: Hiking trail from K flat to Apple Canyon Rd. Comment
  JOTR37455  Adenophyllum cooperi Hodges, Stephen, T. Green 2016-5-24 577 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; On slopes with granitic boulders descending down east side of Minerva Hoyt peak towards Lost Horse area and in sandy washes beneath slopes (Stop 3). Comment
  RSA0097954  Adenostoma fasciculatum Duncan S. Bell 2014-11-14 7719 Riverside Santa Rosa Mountains; in the Santa Rosa Wilderness area; west side of Martinez Mountain; collecting at Cactus Spring. 1292 Comment
  UCR110975  Adenostoma fasciculatum George K. Helmkamp 1998-6-27 4087 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  UCR158348  Adenostoma fasciculatum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30088 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UCR250196  Adenostoma fasciculatum var. fasciculatum A. C. Sanders 2014-4-23 41041 Riverside Peninsular Range, Gavilan Hills, along Concordia Ranch Rd. at edge of Temescal Valley, above I-15 and east of Black Powder Rd. 384 Comment
  RSA679175  Adenostoma sparsifolium Richard L. Zembal 2003-7-11 5962 Riverside Santa Ana Mtns.: Just east of Bear Creek, 0.5km Upper San Juan Campground. On gentle ridge with north-facing aspect 668 Comment
  RSA85062  Adenostoma sparsifolium F. W. Peirson 1907-04 693 Riverside road below Strawberry valley. Comment
  UCR35154  Adenostoma sparsifolium L. B. Ziegler 1964-8-24 38 Riverside San Jacinto Mtns., Garner [Hemet] Valley 1402 Comment
  CAS-BOT-BC69645  Adiantum capillus-veneris Louis C. Wheeler 1933-12-1 2295 Riverside Mouth of Tahquitz Canyon, San Jacinto Mts. 152 Comment
  SBBG210  Adiantum capillus-veneris H. and M. Dearing 1942-1-30 4790 Riverside Palm Cyn near Palm Springs Comment
  RSA496653  Adiantum jordanii L. F. LaPre, J. Easton 1988-1-27 s.n. Riverside Santa Rosa Springs Ranch, on Santa Rosa Plateau, W of Murrieta. Comment
  SEINET5641183  Agave deserti var. deserti Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28520 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 759 Comment
  UCR80813  Agoseris grandiflora Scott D. White 1993-5-29 1468 Riverside San Bernardino Mtns., Big Oaks Canyon, Yucaipa Ridge 1835 Comment
  RSA262078  Agoseris retrorsa E. W. Lathrop 1968-5-22 6923 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  RSA505020  Agoseris retrorsa D. Charlton 1988-5-21 1917 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74 1677 Comment
  UCR24979  Agrostis exarata A. C. Sanders 1980-7-22 1704 Riverside Peninsular Range; San Jacinto Mtns, [Forest Service] Rd. 4S02, c. 2.5 (airline) mi north of Pine Cove and c. 0.25 mi south of Dark Canyon campground 1768 Comment
  UCR96425  Agrostis pallens Scott D. White 1996-8-1 4425 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  UCD53295  Agrostis scabra August L. Hormay 1932-8-8 s.n. Riverside Tahquitz Valley. Comment
Read comments
Aug 13 2006
  RSA778011  Aliciella latifolia subsp. latifolia J. Andre 2011-2-9 15924 Riverside Mecca Hills; along Box Canyon Road at upper end of gorge, approx. 6 miles SSE of Jct. with I-10, approx. 12 miles west of Chiraco Summit 284 Comment
  RSA339329  Allionia incarnata Robert F. Thorne, Gertrud Dahlgren, R. Dahlgren 1979-8-23 53570 Riverside Johsua Tree National Monument: Just S of San Bernardino Co. line near jct of road to Split Rock and 29 Palms, valley W of Pinto Mountains 1098 Comment
  RSA793605  Allionia incarnata Duncan S. Bell, Aaron Sedgwick 2012-9-13 4207 Riverside The Mecca Hills; approximately 5 air miles northeast of the junction of Box Canyon Road and the Coachella Canal or approximately 1.25 air miles southwest of Shavers Well. 240 Comment
  SD185253  Allionia incarnata John Green 2005-2-2 Riverside Salton Basin, transect along Coachella Canal between siphons 29 and 30, ca. 3 miles east of Desert Beach 24 Comment
  UCR21013  Allionia incarnata A. C. Sanders, J. Zabriskie, Steve Boyd 1980-4-17 1339 Riverside Sonoran (western Colorado) Desert, Coachella Valley at the foot of the Indio Hills near Thousand Palms Oasis, Willis Palms grove 152 Comment
  IRVC15593  Allium fimbriatum var. fimbriatum Charles W. Sexton 1974-4-28 s.n. Riverside Pinyon Flats Campground. Comment
  CAS-BOT-BC131979  Allium haematochiton S. Mashayekhi; M. Biabani 2008-4-6 SM 010 Riverside Ortega Hwy 74, 5.9 miles from S. main divide, below the Radio Tower 971 Comment
  HSC2964  Allium haematochiton C. L. Hitchcock 1966-3-15 24154 Riverside 1 mi. E of Glen Ivy Hot Springs Comment
  RSA395903  Allium haematochiton Steve Boyd 1986-4-22 1780 Riverside Gavilan Hills: Summit of Estelle Mountain Comment
  RSA770513  Allium munzii S. Mashayekhi, Steve Boyd, D. Buck, J. Mendosa 2010-4-22 SM 047 Riverside Top of Estelle Mt. Drainage to Dawson Canyon Comment
  UCR120806  Allium munzii Ian G. Gillespie 2000-4-19 9 Riverside Temescal Valley, 0.9 mi SE of Indian Truck Trail and 30 m south of DePalma Road 427 Comment
  RSA736700  Allium peninsulare Scott D. White 2004-4-26 10250 Riverside Soboba Indian Reservation, Indian Creek Watershed 518 Comment
  UCR213852  Allium peninsulare Scott D. White, Justin M. Wood 2009-5-22 12919 Riverside San Jacinto Mountains, Halfway Spring, accessed via Old Control Road 1159 Comment
  UCR77688  Allium peninsulare Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6090 Riverside Vail Lake, SW and W flanks of Billy Goat Mtn. 3 mi north of Hwy 79, 1 mi west of Hwy 371, north of Aguanga 880 Comment
  RSA271885  Allophyllum glutinosum C. W. Tilforth, W. Wisura 1978-7-25 1650 Riverside Along Murrieta- De Luz Rd., west of Murrieta. Comment
  SEINET2444451  Allophyllum glutinosum Leigh A. Johnson 1997-6-20 97 -103 Riverside San Jacinto Mtns. At jct. of Hwy 243 and Black Mtn. Campgroup road. Comment
  UCR110996B  Allophyllum glutinosum George K. Helmkamp 1998-6-27 4102 A Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  RSA762007  Alnus rhombifolia Shawn Krosnick, C. Martinez, N. Fraga, L. McDade, et al. 2010-8-14 659 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UC729541  Alnus rhombifolia Carl B. Wolf 1932-5-24 3649 Riverside 1/2 mi below Fish Hatchey (n base of mts.); San Jacinto Mts., Snow Creek Canyon 548 Comment
  RSA192236  Alopecurus saccatus H. A. Zuill 1966-6-29 261 Riverside Around lake on Mesa top near Santa Rosa Ranch about 6 miles SW Murrieta Comment
  SBBG54318  Alopecurus saccatus C. Davidson 1977-5-25 5648 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  UCR85527  Alopecurus saccatus Scott D. White 1993-4-25 1273 Riverside Peninsular Range; Perris-Aguanga Basin Region, Vernal Pool ('Bramlet's') on California Ave. between intersection of Stetson and RR crossing 450 Comment
Read comments
Dec 21 2010
  UCR199612  Amaranthus albus Scott D. White, Angelia Carey 2004-7-2 10567 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  UCR13999  Amaranthus caudatus David Eslinger 1973-9-25 s.n. Riverside Hatch residence, 2228 5th St., Riverside 260 Comment
  CAS-BOT-BC13609  Ambrosia acanthicarpa W. R. O. 1973-1 5 Riverside SW side of San Jacinto Valley, base of Mount Rudolf Comment
  RSA289853  Ambrosia acanthicarpa B. A. Prigge 1980-9-16 4049 Riverside Indio. Coachella Valley Stormwater Channel. 0 Comment
  UCR128253  Ambrosia acanthicarpa A. C. Sanders, Kelly Volansky 2003-10-16 27343 Riverside Moreno Valley, lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  RSA26835  Ambrosia dumosa I. L. Wiggins 1941-3-24 9575 Riverside Along eastern side of Salton Sea, 2.7 miles south of Mortmar. Comment
  RSA416964  Ambrosia dumosa Anstruther Davidson s.n. Riverside Colorado Desert. Comment
  RSA457761  Ambrosia dumosa Steve Boyd, Timothy S. Ross, L. Arnseth, D. Nordin, Richard Noyes, S. Meury 1988-3-10 2124 Riverside N. end of Palen Mtns, 2 mi west of Palen Pass. 300 Comment
  UC1922419  Ambrosia dumosa Naomi Fraga, Lisa Rojas 2005-2-10 1415 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 502 Comment
  SDSU12970  Ambrosia psilostachya Michael G. Simpson 1999-10-27 2038 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  UCR40411  Ambrosia psilostachya Steve Boyd 1985-8-7 1104 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
  CAS-BOT-BC273024  Ambrosia salsola Philip A. Munz 1932-3-14 11972 Riverside Sandy wash of Deep Canyon, Coachella Valley 91 Comment
  RSA0117834  Ambrosia salsola var. salsola Sarah J. J. De Groot, Thomas Stoughton 2016-4-19 7807 Riverside Santa Rosa Mountains: Along Dunn Road just west-southwest of BLM gate, between Haystack and Asbestos Mountains, head of Potrero Canyon, east of Potrero Spring. Southwest of Palm Desert and north of Highway 74. 1170 Comment
  SD248414  Amorpha fruticosa A. C. Sanders 2014-4-23 41058 Riverside Peninsular Range: Temescal Valley, along Hostettler Rd. near Temescal Canyon Road and I-15, at bend in Hostettler Rd. 363 Comment
  RSA499971  Amsinckia intermedia M. V. Hood 1945-3-25 s.n. Riverside Aguanga. Comment
  SDSU18970  Amsinckia intermedia C. Matt Guilliams 2008-2-21 468 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 449 Comment
  UCD119698  Amsinckia intermedia T. B. Salvato; Kent Beaman 2005-5-16 786 Riverside San Jacinto Mtn foothills: San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy 74. 549 Comment
  UCR4153  Amsinckia intermedia R. H. Sauer 1965-2-28 s.n. Riverside Box Springs Mtns 366 Comment
  UCSB40909  Amsinckia intermedia Reimer, Neil 1977-5-13 Riverside In Box Springs Mt. Park Comment
  UCR103588  Amsinckia menziesii George K. Helmkamp, E. A. Helmkamp 1998-2-18 2727 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi south of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  UCR116407  Amsinckia menziesii A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24191 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  UCR116672  Amsinckia menziesii A. C. Sanders, Carolyn Washburn 2001-5-10 24241 Riverside Perris-Aguanga Basin, 1 mi. south of Winchester on the east side of Hwy 79 (Winchester Rd.) just south of Patton Ave. 488 Comment
  RSA0089962  Amsinckia retrorsa A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32554 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 177 Comment
  RSA796104  Amsinckia tessellata Duncan S. Bell 2009-4-20 316 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  SEINET12519219  Amsinckia tessellata A. C. Sanders, Pitzer, Charlton & Kniffen 1986-1 6104 Riverside Corn Spring, Chuckwalla Mountains. Comment
  RSA777766  Amsinckia tessellata var. tessellata Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-27 1087 Riverside Chuckwalla Mountains, Corn Springs Road, Crossing of main wash which drains Chuckwallas on east side toward Chuckwalla Bench 427 Comment
  RSA27891  Amsonia brevifolia var. tomentosa C. L. Hitchcock 1940-3-31 5883 Riverside 0.5 mile below Cottonwood Springs Comment
  RSA19239  Amsonia tomentosa var. tomentosa I. W. Clokey 1935-4-17 s.n. Riverside Cottonwood Springs. Comment
  UCR163337  Anagallis arvensis T. B. Salvato, Kelly Volansky 2003-3-27 128 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  RSA777336  Andropogon glomeratus var. scabriglumis Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4505 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SD123833  Andropogon glomeratus var. scabriglumis Robert F. Thorne, Kay L. Wright, Richard K. Benjamin 1982-10-8 55407 Riverside San Bernardino Mountains, along roadside at seep, about 3.2 miles north of Whitewater Post Office. 594 Comment
  CAS-BOT-BC226955  Anemopsis californica A. C. Sanders; John F. Green 2012-5-27 40213 Riverside Peninsular Range; Perris-Aguanga Basin Region: eastern edge of Gavilan Hills, powerline route west of San Jacinto River and east of Hwy 74, 5.6 km SE of Perris 441 Comment
  RSA621891  Anemopsis californica Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3671 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  CAS-BOT-BC79935  Antennaria microphylla Mary F. Spencer 1919-6-25 1219 Riverside [Lacquitz] Tahquitz meadow. San Jacinto Mt. 2377 Comment
  JEPS33970  Antennaria rosea Carl V. Meyer 1928-7-27 556 Riverside dry grassy valley floor Tamarack Valley; San Jacinto Mts., Tamarack Valley Comment
  POM13084  Antennaria rosea E. C. Jaeger 1921-6-22 s.n. Riverside Long Valley. San Jacinto Mts. 2439 Comment
  UC485645  Antennaria rosea Charlotte M. Wilder 1909-8-3 1110 Riverside Whitewater Basin San Bernardino Mts., Whitewater Basin Comment
  RSA650899  Antirrhinum coulterianum R. S. Woglum 1941-6-13 3068 Riverside Santa Rosa Mountains. Comment
  SEINET13388909  Antirrhinum filipes H. M. Hall 1905-5-10 6014 Riverside Cottonwood Springs. 671 Comment
  CLARK-A1528-5203  Antirrhinum nuttallianum John C. Roos 1941-4-19 176 Riverside Reche Canyon Comment
  RSA180395  Antirrhinum nuttallianum subsp. nuttallianum E. W. Lathrop 1960-6-8 4930 Riverside 14 miles west of Murrieta Comment
  UC672565  Antirrhinum nuttallianum subsp. nuttallianum Herbert L. Mason 1926-5-2 3203 Riverside Temecula Valley Comment
  UCR3339  Antirrhinum nuttallianum subsp. nuttallianum T. R. Plumb 1964-4-9 s.n. Riverside Box Springs Mtns, Box Springs Mt., 1 mi SE of Dog Lady's house [old house near crest of range, c. 33 deg. 58' 53'N, 117 deg. 17' 28'W, along road from Pigeon Pass; later park ranger's house] off S fork of road 762 Comment
  RSA356759  Apiastrum angustifolium R. F. Thorne 1973-5-23 45534 Riverside Santa Rosa Plateau-Mesa De Colorado 609 Comment
  UCR116968  Apiastrum angustifolium A. C. Sanders, T. B. Salvato 2001-5-3 24093 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR174064  Apiastrum angustifolium A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32517 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 640 Comment
  CLARK-A1528-1424  Apium leptophyllum John C. Roos 1953-5-9 5917 Riverside Riverside 259 Comment
  POM3376  Apocynum sibiricum Crawford, Johnston 1917-6-9 1229 Riverside Santa Ana River near Corona. Comment
  RSA0126309  Arabis glaucovalvula P. A. Munz 1949-4-11 13019 Riverside Near Conejo Well, north base of Eagle Mts., Mohave Desert. 914 Comment
  RSA629164  Arctostaphylos Jon E. Keeley 1992-7-17 16801 Riverside Road to Thomas Mountain (5S15), 6.0 km north of Toolbox Spring. 1790 Comment
  RSA629173  Arctostaphylos Jon E. Keeley 1992-7-17 16792 Riverside Road to Thomas Mountain (5S15), 5.2 km north of Toolbox Spring. 1840 Comment
  UCR169507  Arctostaphylos Scott D. White 1996-8-16 4482 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, SW of Pine Cove & west of Bear Trap Canyon, in watershed above Alvin Meadows, tributary to Toll Road Canyon 1860 Comment
  RSA629373  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16862 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  RSA629402  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19521 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  UCR273479  Arctostaphylos glandulosa A. C. Sanders, Glen Morrison 2016-8-4 42604 Riverside Peninsular Range; Santa Ana Mountains, South Main Divide Road, near Elsinore Peak, 0.35 km by road south of road junction to Elsinore Peak towers 998 Comment
  RSA629364  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-6-16 16821 Riverside Hwy 234, 3 km N of Hwy 74, San Jacinto Mtns. 1520 Comment
  POM254917  Arctostaphylos glandulosa subsp. zacaensis W. Pequegnat 1940-4-13 s.n. Riverside Modjeska Peak, Santa Ana Mts. Comment
  RSA631755  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16508 Riverside Barranca Road, west of De Portola Road, east side of Black Mountain, east of Lake Skinner. 725 Comment
  RSA631807  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15073 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA721870  Arctostaphylos glauca Michael Wall 2007-2-16 427 Riverside San Jacinto Valley off dirt road along wash feeding Bautista Creek off Bautista Creek Rd. 3.0 miles SE of Fairview Avenue 678 Comment
  RSA633528  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20150 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633536  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16696 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633556  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16685 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633648  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20124 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633685  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16680 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA633739  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20120 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  CAS-BOT-BC44361  Arctostaphylos pringlei subsp. drupacea Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  LA42421  Arctostaphylos pringlei subsp. drupacea Robert G. Engman; sn Riverside San Jacinto Mountains Comment
  LA42423  Arctostaphylos pringlei subsp. drupacea Elizabeth McClintock; 1928-5-5 sn Riverside San Jacinto Mountains, Idyllwild and Lily Rock Comment
  OBI30235  Arctostaphylos pringlei subsp. drupacea Trudy R. Ericson 1976-5-8 545 Riverside Coll. on Thomas Mtn Loop rd, off State hwy 74, approx. 4 mi from intersection of Loop rd with St. 74 just S of Lake Hemet, San Bernardino NF 1524 Comment
  POM49832  Arctostaphylos pringlei subsp. drupacea P. A. Munz, I. M. Johnston 1924-7-29 8855 Riverside 5 miles SE of Poppet Flat, San Jacinto Mtns. 1372 Comment
  RSA635692  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-16 16596 Riverside Hwy 371 & Burnt Valley Rd. San Jacinto Mtns. 1250 Comment
  CAS-BOT-BC46343  Arctostaphylos pungens Scott D. White 1996-8-1 4416 Riverside Idyllwild area: Hwy 243 at deer Springs trailhead and adjacent area. USGS San Jacinto Pk. 7.5' topo. 1828 Comment
  UCSB4762  Arctostaphylos pungens Kamb, Peter 1948-7-4 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  RSA636007  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19554 Riverside Carancho Rd., W. of Temecula. 440 Comment
  RSA636184  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19534 Riverside West of Temecula, off Carancho Rd., 2.3 km west of Via Volcano, eastern Santa Margarita Mtns. 430 Comment
  UCR194827  Arctostaphylos rainbowensis Scott D. White, J. Wood 2007-4-16 11654 Riverside Peninsular Range, near Rainbow Valley, mountains west of I-15 Fwy and immediately north of San Diego County boundary 579 Comment
  UCR63512  Arctostaphylos rainbowensis Scott D. White 1990-6-14 s.n. Riverside Peninsular Range, Rainbow area: c. 1 mi (airline) SE of Temecula Canyon and 1 mi (airline) NW of Rainbow Valley. S boundary of property on the San Diego County line 427 Comment
  UCR90413  Arctostaphylos rainbowensis D. L. Banks, Steve Boyd 1995-3-15 0076 Riverside NW Palomar Mtns, Agua Tibia Wilderness Area, N face of Agua Tibia Mtns., Dorland Mtn. area 738 Comment
  UCR104179  Argemone munita Scott D. White 1997-5-25 5220 Riverside San Jacinto Mtns., Bautista Canyon, along Bautista Canyon Road, c. 1.3 road miles NW of Hixon Trailhead (USFS Road No. 2E43) 762 Comment
  RSA434322  Argemone munita subsp. munita N. Cooper 1949-6-29 4289 Riverside East side of San Jacinto, dry roadside bank 1524 Comment
  RSA500159  Argemone munita subsp. munita Steve Boyd, L. Arnseth, Tim Ross 1989-6-4 3642 Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Highway 79. 488 Comment
  CAS-BOT-BC207120  Argythamnia lanceolata Ivan Johnston 1917-4-4 1106 Riverside Andreas Canyon, Colorado Desert 274 Comment
  CAS-BOT-BC207135  Argythamnia lanceolata Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  CAS-BOT-BC202503  Argythamnia serrata S. B. Parish 1907-4-16 6131 Riverside Whitewater. Western border of the Colorado Desert 200 Comment
  UC574007  Aristida adscensionis H. S. Yates 1937-3-23 6436 Riverside 15 mi nne Mecca; Thermal Quadrangle Comment
  UCR264232  Aristida adscensionis A. C. Sanders, Jim Malusa 2015-9-10 41859 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range 480 Comment
  POM1100  Aristida adscensionis var. modesta I. M. Johnston 1917-4-4 1011 Riverside Palm Canyon. Comment
  HSC101267  Aristida californica Jim Andre 2012-3-19 21352 Riverside Chuckwalla Valley; along Hwy 177, 8.6 mi. NE of Jct with I-10. 152 Comment
  SEINET3918776  Aristida californica Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-22 6457 Riverside Rice Valley, 7 miles south-southwest of Rice.; 0 274 Comment
  RSA544392  Aristida purpurea var. parishii Steve Boyd 1991-5-30 6320 Riverside Winchester Valley, SE end of Double Butte, just N of Winchester, 1/2 mile W of Highway 79 457 Comment
  UCD56525  Aristida purpurea var. wrightii A. A. Beetle 1942-4-22 3184 Riverside Rt. 60 near Desert Center. Comment
  RSA725813  Artemisia annua Eula F. Moore 1996-10-1 s.n. Riverside Riverside, 4291 Alta Vista Dr. 259 Comment
  SD229062  Artemisia californica Dick Schwenkmeyer 2012-10-16 845 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 505 Comment
  RSA417289  Artemisia douglasiana Albert J. Perkins 1916-9-12 s.n. Riverside Idyllwild. Comment
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Mar 21 2011
  RSA0048565  Artemisia tridentata Nancy Anderson 1955-5-21 s.n. Riverside Van der Venter [Vandeventer] Flats. Comment
  UCR24889  Asclepias eriocarpa A. C. Sanders 1981-7-22 01743 Riverside San Jacinto Mtns., Alvin Meadows, 2 mi. (airline) WSW of Idyllwild 1529 Comment
  JEPS6278  Asclepias erosa W. L. Jepson 1914-5-16 6064 Riverside e base Mt. San Jacinto (Palm Springs); Colorado Desert Comment
  CHSC21411  Asclepias subulata Robert A. Schlising 1972-4-8 3015 Riverside Ramon Road, east of Thousand Palms, near junction with Thousand Palms Canyon Road. Comment
  RSA0087461  Asclepias subulata Sarah J. De Groot, Amy Rouillard 2015-9-15 7574 Riverside Along Eagle Mountain Road north of I-10, at large wash crossing. West of Desert Center, western Chuckwalla Valley. 314 Comment
  RSA792833  Asclepias subulata Justin M. Wood, Dustin Ray 2011-4-28 3845 Riverside Sonoran Desert: Chuckwalla Valley; Eagle Mountain Road, 2.8 miles west of Desert Center and 0.9 miles north of I-10. 312 Comment
  CLARK-A1528-1605  Aster chilensis John C. Roos 1946-9-14 3014 Riverside San Jacinto Mountains 1371 Comment
  RSA703415  Astragalus LeRoy Gross, Leland Lubinsky, Victor W. Steinmann, Linda Lee Worlow 2005-2-17 1456 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  CAS-BOT-BC178629  Astragalus coccineus Ivan Johnston 1917-4-4 1063 Riverside Bottom of sandy draw, Palm Canyon - Colorado Desert 640 Comment
  RSA485841  Astragalus coccineus T. S. Elias 1988-1-26 10674 Riverside Joshua Tree National Monument; Cottonwood Spring region, along trail from Mastodon Peak to Lost Palms Oasis. Comment
  JEPS54790  Astragalus crotalariae Marjorie D. Clary 1932-12-18 1751 Riverside 6 mi sw Coachella (Conchilla Desert, Colorado Desert); Colorado Desert, sw of Coachella, Conchilla Desert -15 Comment
  UC862884  Astragalus crotalariae P. A. Munz, D. Keck 1922-4-8 4743 Riverside 1/2 mi e Indio (Colorado Desert); , e of Indio -15 Comment
  UCR7739  Astragalus crotalariae W. C. Anderson, W. Berry 1968-5-16 680516- 4 Riverside Sonoran (Colorado) Desert, c. 1/8 mi. south of the corner of Monroe and 54th on the E side of the road Comment
  UCR241012  Astragalus didymocarpus Tracy Tennant 1998-4-28 257 Riverside San Jacinto, Ramona Expressway and Donna Way, near bank of San Jacinto River 488 Comment
  UC862664  Astragalus didymocarpus var. dispermus C. L. Hitchcock 1940-4-4 5953 Riverside Pinto Basin Pinto Basin (sandy wash) Comment
  CSUSB950  Astragalus douglasii Pam Maynard 1974-5-26 Riverside Mount San Jacinto Mount San Jacinto- Idyllwild. Mount San Jacinto Park- campground #14 1828 Comment
  UC862974  Astragalus douglasii var. douglasii Marcus E. Jones, A. M. 1882-4-24 3166 Riverside San Jacinto Comment
  CAS-BOT-BC178448  Astragalus douglasii var. parishii E. K. Balls 1949-5-4 13482 Riverside Near Fuller Creek Camp Ground, San Jacinto mts. 1371 Comment
  LA204956  Astragalus douglasii var. parishii Darlean Wagner; 1954-5-22 sn Riverside by glen on other side of Fullmer [Fulmor] Lake Comment
  POM229046  Astragalus douglasii var. parishii P. A. Munz 1937-5-30 15143 Riverside Northwest slope of Santa Rosa Mt. 2134 Comment
  RSA642086  Astragalus douglasii var. parishii Orlando Mistretta, Mark Elvin 1995-6-19 1777 Riverside Highway 74. 1418 Comment
  UCD84937  Astragalus insularis var. harwoodii Chuck Hughes 2010-3-23 209 Riverside About 11.5 miles south of Highway 62, next to railroad tracks. 254 Comment
  SDSU7941  Astragalus lentiginosus K. Larson 1975-4-24 1528 Riverside 10 miles northwest Palm Springs Creek rd. Comment
  GMDRC5491  Astragalus lentiginosus var. fremontii J. Andre 2012-4-16 20938 Riverside Little San Bernardino Mountains: along Geotour Road, at north end of one-way loop in Pleasant Valley at foot (south end) of Hexie Mtns, 6.7 mi. south of Natl Park Loop Rd (paved). 990 Comment
  RSA415583  Astragalus lentiginosus var. variabilis M. B. Dunkle 1935-3-17 4402 Riverside Colorado Desert. 610 Comment
  CAS-BOT-BC187485  Astragalus leucolobus Philip A. Munz 1937-5-30 15134 Riverside Santa Rosa Peak 2407 Comment
  RSA308354  Astragalus palmeri Henry J. Ramsey, Henry J. Ramsey 1938-4-22 3029 Riverside Santa Rosa Mountains. 1220 Comment
  CAS-BOT-BC194126  Astragalus pomonensis Carl B. Wolf 1935-4-7 6298 Riverside Gavilan Hills Region, 1 mi. W of Val Verde 487 Comment
  POM2009  Astragalus pomonensis I. M. Johnston 1918-4-27 1854 Riverside Temescal Canon (West of Elsinore). 366 Comment
  RSA228804  Astragalus pomonensis Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 605 Riverside Santa Rosa Plateau, ca. 5 miles south west of Murrieta near Forest Route 7S01. 487 Comment
  SBBG68281  Astragalus pomonensis M. N. Ackley -Mar-1922 564 Riverside Murrieta Hot Springs 398 Comment
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Oct 21 2008
  UCR3367  Astragalus pomonensis H. M. Whistler 1964-5-3 640503- 02 Riverside Road cut along 'State Hwy 79' [probably Gilman Springs Rd.], 3 mi. west of junction with Jack Rabbit Trail 457 Comment
  UCR59516  Astragalus pomonensis Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3572 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake Area, along Arroyo Seco drainage from junction with Kolb Creek, S to within 0.25 mi of Hwy 79 457 Comment
  POM12715  Athyrium filix-femina P. A. Munz 1922-7-6 5991 Riverside San Jacinto Mountains: Tahquitz Valley. 2195 Comment
  RSA776685  Atrichoseris platyphylla Duncan S. Bell, Amanda Turek 2010-4-10 798 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  UCD129384  Atrichoseris platyphylla C. L. Hitchcock 1966-3-20 24315 Riverside 5 miles north of Milpitas Wash and 12 miles northwest of Blythe-Glamis Road. Comment
  UCR101566  Atrichoseris platyphylla Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  RSA748734  Atriplex argentea Karin Cleary-Rose 1998-9-7 s.n Riverside west edge of Hemet, east of Warren Rd., south of Esplanade and north of the Tres Cerritos Hills 460 Comment
  POM278696  Atriplex canescens Grant D. Brown 1950-3-19 526 Riverside 4 miles NW of Gilman Hot Springs on hyway #79 Comment
  SEINET5540666  Atriplex canescens H. S. Gentry 1954-1 14249 Riverside Aguanga. Comment
  UC538043  Atriplex canescens W. M. Ingram October 1934 Riverside Edom Comment
  UC665900  Atriplex canescens Ira L. Wiggins 1941-3-24 9585 Riverside 1 mi n Imperial County Line (along roadside on e side Salton Sea); e side Salton Sea Comment
  UC850762  Atriplex canescens Carl B. Wolf 1932-10-13 4307 Riverside Cottonwood Springs Colorado Desert, , Cottonwood Springs (Eagle Mts.) 289 Comment
  UCR17337  Atriplex canescens subsp. linearis N. R. Zabriskie, W. W. Zabriskie 1970-12-29 331 Riverside Western Colorado Desert/ San Jacinto Mtns, Andreas Canyon Club property, Palm Canyon watershed, east slope San Jacinto Mtns. 168 Comment
  SJSU5681  Atriplex canescens var. linearis Lewis S. Rose 1966-12-11 66096 Riverside Palm Springs 152 Comment
  UCR228198  Atriplex canescens var. macilenta Dave Silverman 2010-3-24 7828 Riverside Sonoran (Colorado) Desert, South Palen Lake, Chuckwalla Valley, 4.5 km southeast of Sidewinder Well, 2.3 km SW of Palen Dunes Dr., and 4.2 km north of Interstate 10 128 Comment
  RSA516693  Atriplex coronata var. notatior Marc Baker, Robert Johnson 1990-5-20 7851 Riverside southeast of Bernasconi Hills. T4S R3W section 23. 433 Comment
  UCR66980  Atriplex coronata var. notatior D. E. Bramlet, A. Parikh 1990-6-14 2037 Riverside San Jacinto Valley, c. 6.5 km SW of Hemet, just west of Warren Ave, at Setson Ave. & MWD canal; in cow pasture c. 400 m north of Setson Ave. 457 Comment
  RSA532556  Atriplex coulteri D. E. Bramlet 1991-5-2 2112 Riverside 7.6 km west of Hemet and aome 1.4 km southwest of the intersection of Warren Rd. and Stetson Ave. The population is some 68 m suth of Stetson Ave. and some 320 m. west of the MWD canal., Plants are located approximatly 3m from an existing dirt channel. 500 Comment
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Feb 3 2015
  UC68841  Atriplex elegans H. M. Hall 1905-4-17 5924 Riverside near Colorado River (Colorado Desert, Palo Verde Valley); Colorado Desert, nr Colorado River, Palo Verde Valley 91 Comment
  UCR18118  Atriplex elegans var. fasciculata A. C. Sanders 1978-4-2 0274 Riverside Sonoran (Colorado) Desert, Coachella Valley near Indio, intersection of Hwy 111 and Washington St. 30 Comment
  RSA784951  Atriplex hymenelytra Duncan S. Bell 2012-2-12 3109 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  UCR148037  Atriplex hymenelytra Steve Boyd, Et al. 2004-5-14 11247 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
  UCR166550  Atriplex hymenelytra Scott D. White, Brian Leatherman 2005-5-4 11016 Riverside Sonoran Desert, Eastern Coachella Valley. Thermal area; bajada below Mecca Hills and east of the Coachella Canal 49 Comment
  UCR228398  Atriplex hymenelytra Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-20 144 Riverside Little San Bernardino Mountains, Hwy 177, north of Desert Center and Desert Lily Sanctuary, east of Joshua Tree National Park border 274 Comment
  RSA727010  Atriplex polycarpa Naomi Fraga, Lisa Rojas 2005-2-10 1416 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 502 Comment
  UCSB1653  Atriplex polycarpa Ballard 1955-1-8 Riverside On road from Palm Springs to Cathedral City 182 Comment
  UCR281872  Atriplex triangularis Mitch Provance 2012-11-9 1112- 19 Riverside San Bernardino Valley, Santa Ana River Bottom, vicinity of Tequesquite Creek, area W of the N end of Rudidoux Ave. and Old Ranch Rd. 229 Comment
  IRVC14693  Avena barbata Victoria Sork 1973-3-5 s.n. Riverside Elsinore, 1.5 mi N, .5 mi W of intersection of Hwys 74 & 71 [79]. Comment
  RSA385380  Avena barbata N. C. Cooper 1944-3-24 1010 Riverside Banning. 701 Comment
  RSA595315  Avena barbata D. L. Banks, Victor Steinmann 1996-4-20 887 Riverside NW Palomar Mountains; Agua Tibia Mountains; N face of Dorland Mtn., on the W side of the Dorland Mountain Arts Colony; Along the road to the Dorland Mountain Arts Colony;, approximately 100 m S from its junction with Hwy. 79. Area just north of Sec.19. 484 Comment
  CAS-BOT-BC145738  Avena sativa John Thomas Howell 1960-3-24 35146 Riverside Hemet. Comment
  JEPS49635  Ayenia compacta Marjorie Clary Mar 1932 656 Riverside Canyons of Santa Rosa Mountains, SW of Coachella Valley Comment
  RSA614091  Baccharis emoryi A. C. Sanders, C. L. Sanders 1994-12-4 15882 Riverside Salton Trough: Dos Palmas oasis area, San Andres palm grove, 1.75 km (1.1 mi) WSW of Rancho Dos Palmas., Marked ''seep'' on Durmid 7.5' Quad. -23 Comment
  RSA652566  Baccharis emoryi Marion P. Harthill 1973-2-25 s.n. Riverside 8 miles N. of Elsinore Comment
  UCR151973  Baccharis salicifolia Steve Boyd, Aydee Virgen 2004-4-13 10851 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  UCR41232  Baccharis sarothroides N. M. Fellows 1985-1-5 66 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mtn., 1 mi west of Snow Creek Village 506 Comment
  CAS-BOT-BC99866  Baccharis sergiloides Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  CAS-BOT-BC99869  Baccharis sergiloides L. R. Abrams 1926-3-26 11059 Riverside Palm Springs to Palm Canyon Comment
  IRVC512  Baccharis sergiloides D. Christy 1965-4-17 Riverside Palm Springs Sonoran Desert Comment
  RSA772579  Baccharis sergiloides Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5044 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66011 750 Comment
  UCR121819  Baccharis sergiloides A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24601 Riverside Mojave Desert, Little San Bernardino Mtns, Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1372 Comment
  PASA2175  Baeria chrysostoma var. gracilis Frank W. Peirson 1922-4-29 Riverside Lake Elsinore 374 Comment
  SD229076  Bahiopsis parishii Dick Schwenkmeyer 2012-5-22 714 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  RSA350650  Baileya multiradiata D. A. Young 1969-3-28 p 430 Riverside Palm Springs. 305 Comment
  CAS-BOT-BC99947  Baileya pauciradiata Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13232 Riverside 2.4 mi. S of Rice, on road to Midland and Blythe Comment
  CAS-BOT-BC99971  Baileya pauciradiata Aven Nelson; Ruth A. Nelson 1939-3-29 3313 Riverside Between Mecca and Hidden Springs Comment
  UC472195  Baileya pauciradiata S. B. Parish 1907-4-19 6080 Riverside Palm Springs Colorado Desert Comment
  RSA695664  Baileya pleniradiata J. Russell Bruff 1928-4-3 172 Riverside 13 miles W of Desert Center. Comment
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Oct 23 2011
  JEPS122465  Barbarea orthoceras J. M. Andre 2012-6-15 30549 Riverside San Jacinto Mountains; west slopes of range slong Poppet Flat Road, Poppet Creek Canyon, 3.2 miles west of Highway 243. Lake Fulmor 7.5' Q. Comment
  POM350775  Bebbia juncea Ora M. Clark 1929-3-16 1717 Riverside N. of Whitewater Comment
  RSA597464  Bebbia juncea L. C. Wheeler 1959-12-27 7637 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
  UCR143338  Bebbia juncea I. W. Clokey 1935-4-17 6966 Riverside Sonoran (Colorado) Desert, Shavers Well 274 Comment
  SEINET10925101  Bebbia juncea David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2885 Riverside Pushawalla Canyon Biota. Indio Hills. In dry wash. Comment
  UC604870  Bebbia juncea var. aspera Roxana S. Ferris and Ruth P. Rossbach 1938-5-15 9555 Riverside 1 mi below Cottonwood Springs Comment
  RSA780490  Berberis nevinii Naomi Fraga, Baby Snigdha, Josh Paolini 2010-6-17 3496 Riverside Oak Mountain Summit. 598 Comment
  UCR67367  Berberis nevinii Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3908 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn, north of Lake 823 Comment
  POM299249  Bernardia incana Louise Kellogg, Annie M. Alexander 1941-5-10 2144 Riverside Small canyon 3 miles northeast of Cottonwood Spring, Eagle Mountains. 1037 Comment
  RSA651245  Bernardia incana N. R. Zabriskie, Walter Zabriskie 1971-4-9 364 Riverside Deep Canyon, north slope Santa Rosa Mountains. Ca. 2 miles on water service road south of Highway 74. 1311 Comment
  UCR120536  Berula erecta D. E. Bramlet 2000-8-30 3066 Riverside Lake Skinner Regional Park. Tucalota Creek, just east of the equestrian bridge which crosses the creek. 1400-1500 ft north of the dirt service road (1487), and 2,600 - 2,700 ft. SE of the service road in Section 6 (1516) 470 Comment
  CAS-BOT-BC434515  Boerhavia diffusa S. B. Parish 1916-5-13 10855 Riverside Cottonwood Springs, Colorado Desert 792 Comment
  RSA0093777  Boerhavia triquetra Duncan S. Bell 2015-9-30 8677 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  UCR35202  Boerhavia triquetra L. B. Ziegler 1966-9-13 88 Riverside Sonoran (Colorado) Desert, San Jacinto Mountains, Dry wash of Carrizo Creek Canyon 703 Comment
  UCD170133  Boerhavia triquetra var. intermedia A. C. Sanders 1989-9-19 9511 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, 1.75 km (airline) south of Tabaseca Tank, along the wash above 'Tabaseca Target. 680 Comment
  CAS-BOT-BC434549  Boerhavia wrightii Schellinger 1904-10-15 s.n. Riverside Plack [Black] Point, Palo Verde Valley Comment
  UCR17655  Boerhavia wrightii Hap Ritter, Paul Mack 1976-10-19 s.n. Riverside Sonoran (Colorado) Desert, c. 20 mi. NW of Blythe on the Midland Road, McCoy wash drainage, SW side of the Big Maria Mtns. 245 Comment
  UCR19111  Boerhavia wrightii John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, Desert Center Comment
  UCR59704  Boerhavia wrightii A. C. Sanders 1989-9-19 9512 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, 1.75 km (airline) south of Tabaseca Tank, along the wash above 'Tabaseca Target 680 Comment
  CAS-BOT-BC31018  Bolboschoenus maritimus Mitch Provance 2005-5-17 6599 A Riverside Warm Springs Valley: Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, 420 Comment
  SEINET269465  Bolboschoenus maritimus subsp. paludosus Scott D. White, Steve Ogg 1994-10-17 2485 Riverside City of Temecula, Murrieta Ck channel 1000 ft. N of bridge at Rancho Calif. Ave., USGS 7 1/2' Murrieta Quad. 305 Comment
  UCR85430  Bolboschoenus maritimus subsp. paludosus A. C. Sanders, P. J. MacKay, G. K. Helmkamp, J. M. Stewart, C. L. Sanders 1994-12-4 15886 Riverside Sonoran (Colorado) Desert, Salton Sink: Dos Palmas oasis area, managed ponds near the Nature Conservancy preserve headquarters (Rancho Dos Palmas) -37 Comment
  UCR151361  Bothriochloa barbinodis D. L. Banks 1997-3-6 1408 Riverside NW Palomar Mountains, Agua Tibia Mountains, Pechanga Indian Reservation. 'Fiesta Ground' east of Pechanga Creek along the N fork of Pechanga Creek at the E end of the Reservation 482 Comment
  UCSB9820  Bothriochloa barbinodis Beach, Kay 1942-10-23 Riverside Dos Palmas Spring; 0.75 mi E of road at point 20 mi from Kenworthy Forest Stn. and 12 mi N of Jct of Indio and Palmas highways; side road; San Bernardino Ntl Forest Comment
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Mar 2 2014
  RSA0022745  Bouteloua aristidoides var. aristidoides April Garbat, Deidre Conocchioli 2013-9-12 124 Riverside East of Alligator Rock: From I-10 at Desert Center, head south on CA-177 to BLM Rd 394 (dirt). Collection site is 1.1 miles SW of interstate exit ramp. 334 Comment
  CAS-BOT-BC540737  Bouteloua barbata Sarah J. De Groot; Amy Rouillard 2015-9-15 7567 Riverside Ford Dry Lake, Chuckwalla Valley, N of I-10 106 Comment
  SBBG19874  Bouteloua barbata M. A. Piehl 1963-9-18 63846 Riverside US Hwy 60, 2.7 mi W of Desert Center 312 Comment
  UCR100129  Bouteloua barbata B. G. Pitzer 1997-10-19 3359 Riverside Sonoran (Colorado) Desert, north foot of Chuckwalla Mtns., Eagle Mtn. Road on south side of Hwy I-10, c. 0.8 mi. south of Hwy at powerline road 500 Comment
  UCR2191  Bouteloua barbata S. B. Parish 1902-6-28 8102 Riverside Sonoran (Colorado) Desert, Salton Basin, Mecca -58 Comment
  RSA0026138  Bouteloua barbata var. barbata Deidre Conocchioli, Caitlin Elam 2013-10-1 74 Riverside East of Little Chuckwalla Mtns. From Blythe, CA. Take I-10 W for 17.8 miles, take the Wiley's Well Rd exit., Turn left (S) on Wiley's Well Rd. Travel for 1.3 miles on paved road, then continue onto the unpaved portion of the road for 4.5 miles. Collection site on right (E) side of road. 177 Comment
  RSA41332  Bouteloua curtipendula J. C. Roos 1948-5-2 1122 Riverside Wonderland of Rocks, Joshua Tree National Monument. Comment
  CHSC109259  Bowlesia incana Scott D. White; Justin M. Hood 2008-7-9 12423 Riverside San Jacinto Mountains: K Flat, from large pond downstream to meadow. 1402 Comment
  UC56497  Bowlesia incana H. M. Hall Apr. 1902 2934 Riverside vicinity of Riverside; Southern California 457 Comment
  JOTR28882  Brandegea bigelovii La Doux, Tasha 2004-2-24 1118 Riverside Joshua Tree National Park. Cottonwood Canyon 932 Comment
  POM254737  Brandegea bigelovii P. A. Munz 1940-3-24 15695 Riverside 3 miles south of Cottonwood Springs, Eagle Mts 457 Comment
  RSA0105943  Brandegea bigelovii Alan Romspert 2000-4-14 s.n. Riverside West of Dupont road, Chuckwalla Mountains. Comment
  SBBG80750  Brandegea bigelovii D. Keil 1976-12-12 11921 Riverside Interstate 10, 37 mi E of Chiriaco Summit Comment
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Mar 26 2011
  SD247409  Brandegea bigelovii T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7311 Riverside Sonoran (Colorado) Desert: south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road, c. 1.4 km west of its juction with Augustine Pass Road (East of Aztec Mines 7.5'Q) 136 Comment
  UCR126982  Brassica nigra A. C. Sanders, T. B. Salvato 2003-5-9 26593 Riverside San Jacinto Valley, west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  RSA604866  Brassica tournefortii Scott D. White 1995-3-30 2647 Riverside San Jacinto Valley: Moreno Valley, hills ca. 0.7 air mile directly S of 60 freeway and west of bend in Moreno Beach Dr. 579 Comment
  RSA702942  Brassica tournefortii Scott D. White, Michael Honer 2004-3-11 9900 Riverside Corona area. Approximately 1/2 air mile E of I-15 and 1 air mile N of El Cerrito Rd. 290 Comment
  RSA772848  Brassica tournefortii Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4843 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm)., between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  UCR263501  Brassica tournefortii David Fraker, Aaron C. Sedgwick 2012-3-22 09 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, south of Joshua Tree National Park on both sides of Hwy 177, c. 5 miles north of I-10, c. 3 miles south of the Desert Lily Sanctuary 183 Comment
  UC64839  Brickellia californica E. A. Zumbro 1904-1-1 420 Riverside Cold Water Canon Santa Ana Mts. Comment
  JOTR36390  Brickellia desertorum La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3343 Riverside Joshua Tree National Park. Little San Bernardino Mtns: Pushwalla Canyon, approx 300 m from fork in road, up mouth of canyon Comment
  POM212005  Brickellia desertorum C. B. Wolf 1931-10-14 1330 Riverside Snow Creek 1/2 mi. below the Fish Hatchery N base of San Jacinto Mountains. 549 Comment
  RSA545234  Brickellia desertorum R. F. Thorne 1970-10 41884 Riverside San Bernardino Mountains- Whitewater canyon: ca. 1350 ft. near bridge and Whitewater Post Office to ca. 2000 ft. up the canyon toward fish hatchery. 610 Comment
  UC1010321  Brickellia desertorum John and Lucille Roos 1950-10-28 5020 Riverside 1 mi se of Moreno (n base of Mt. Russell); Mt. Russell 548 Comment
  CAS-BOT-BC127653  Brickellia microphylla var. microphylla P. A. Munz 1941-10-1 17236 Riverside on palms to Pines Highway north base of Santa Rosa Mts. Comment
  SEINET7063429  Brodiaea filifolia A. G. Vestal 1947-1 Riverside Comment
  UCR191204  Brodiaea santarosae Tom Chester, W. P. Armstrong, Kay Madore 2006-6-15 927 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve: Clay Hill, 0.7 km south-southwest of the northernmost high point of the Mesa de Burro 573 Comment
  PASA508  Brodiaea synandra Frank W. Peirson 1922-5-19 Riverside 2 miles southeast of Perris Comment
  RSA771882  Brodiaea terrestris subsp. kernensis Steve Boyd 2010-5-28 12284 Riverside Elsinore Peak, just south of trail along old Main Divide Road at easternmost clay knoll east of main peak 1000 Comment
  UCR43786  Brodiaea terrestris subsp. kernensis R. F. Thorne, W. Wisura, E. W. Lathrop, S. Meury 1985-5-18 60643 Riverside Peninsular Ranges/Santa Ana Mtns, Santa Rosa Plateau: Mesa de Colorado 625 Comment
  SEINET901458  Bromus arizonicus A. C. Sanders 1989-1 9068 Riverside City of Riverside, Spontaneous in yard at 422 Campus View Drive Comment
  UCR260846  Bromus arizonicus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41412 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  CAS-BOT-BC149438  Bromus berteroanus Peter H. Raven 1958-5-5 12882 Riverside Jumbos Rocks Camp Ground, Joshua Tree National Monument. Comment
  POM254898  Bromus berteroanus P. A. Munz 1940-3-24 15706 Riverside 3 miles north of Cottonwood Springs, Eagle Mountains. 915 Comment
  RSA516966  Bromus carinatus A. C. Sanders 1989-4-30 9068 Riverside Riverside. Comment
  UCR35299  Bromus carinatus L. B. Ziegler 1968-5-21 296 Riverside San Jacinto Mtns., Hemet Valley (=Garner Valley) 1418 Comment
  RSA179507  Bromus diandrus E. W. Lathrop 1959-5-17 4535 -A Riverside 14 miles west of Murrieta. Tenaja Plateau Comment
  UCR91861  Bromus hordeaceus A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18117 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  UC1537243  Bromus madritensis subsp. rubens Gordon H. True Jr. 1935-3-11 68 Riverside Sycamore Canyon, Box Springs Box Springs; Sycamore Canyon, Box Springs 365 Comment
  UCR49225  Bromus rubens Steve Boyd 1986-4-2 1604 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA20297  Caesalpinia virgata Roxana S. Ferris, Ruth P. Rossbach 1938-5-16 9564 Riverside Mecca Hills 2 miles up Painted Canyon. Comment
  UCR153427  Caesalpinia virgata Scott D. White 2000-3-27 7640 Riverside Southern Colorado Desert, Coachella Valley, Indio Hills area: Bajada at south side of hills, in Granite Rock Aggregate Quarry operation area. Disturbed soils near powerline tower on S margin of quarry 76 Comment
  UCR214896  Calandrinia ambigua A. C. Sanders 2010-3-23 37532 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mtns. 140 Comment
  RSA613410  Calandrinia ciliata D. L. Banks 1997-4-5 1681 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just west of the Pechanga Indian Reservation boundry, at the headwaters of a tributary of the north fork of Pechanga Creek. 768 Comment
  RSA645534  Calandrinia ciliata Scott D. White 1993-3-12 1136 Riverside San Bernardino Basin: San Jacinto Valley: Perris Valley Pipeline. 439 Comment
  UCR100047  Calandrinia ciliata Scott D. White 1993-3-3 1096 Riverside Perris Basin, Romoland/Winchester area 442 Comment
  UCR107717  Calandrinia ciliata A. C. Sanders 1997-3-1 19742 Riverside Box Springs Mountains, Riverside: S end of the range along Gernert Rd. (dirt road paralleling the mountain front), in valley draining to Box Spring Canyon. 457 Comment
  UCR241773  Calandrinia ciliata A. C. Sanders 2013-4-9 40782 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland, along SCE powerline route east of I-215, parallel to McLaughlin Rd., west of Trumble Rd., SE of Perris 436 Comment
  RSA234052  Callitriche marginata R. F. Thorne 1969-6-6 39317 Riverside Santa Rosa Plateau: Rancho California, Mesa de Colorado 624 Comment
  SD90606  Callitriche marginata Robert F. Thorne, Earl Lathrop 1969-5-12 37925 Riverside Santa Rosa Plateau; large vernal marsh on south end of Mesa de Colorado, Rancho California. 625 Comment
  CAS-BOT-BC85773  Calocedrus decurrens Carl Epling 1931-10-4 246 Riverside Strawberry Valley, San Jacinto Mts. 1584 Comment
  SD229033  Calocedrus decurrens Dick Schwenkmeyer 2012-6-27 734 Riverside May Valley, approx. 5 miles southeast of Idyllwild town center, Mt. San Jacinto, Riverside County, CA. 1531 Comment
  SD229035  Calocedrus decurrens Dick Schwenkmeyer 2012-6-27 750 Riverside Strawberry Creek, 1/4 mile northwest of Humber Park, Idyllwild. 1914 Comment
  RSA377389  Calochortus concolor N. C. Cooper 1944-7-16 1386 Riverside San Jacinto Mountains. West side. 1220 Comment
  RSA773597  Calochortus concolor Duncan S. Bell, Ryan Parker 2010-6-15 1309 Riverside San Bernardino National Forest: Rouse Ridge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15., Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 1063 Comment
  JEPS61650  Calochortus invenustus W. L. Jepson 1901-5-27 1462 a Riverside Vandeventer's Ranch San Jacinto Range Comment
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May 26 2014
  SD63338  Calochortus invenustus Walter Bertsch 1957-6-29 948 Riverside Desert slope of Toro Peak, Santa Rosa Mountains. 2660 Comment
  RSA593785  Calochortus palmeri var. munzii Jeri Hirshberg 1995-5-19 280 Riverside San Jacinto Mountains, Garner Valley, north of Morris Creek. Comment
  CAS-BOT-BC132462  Calochortus plummerae Mitch Provance 1998-6-9 631 Riverside Jurupa Mountains: SE Pyrite Canyon, ca .3 NW of the Jurupa Mountains Culture Center 366 Comment
  CSUSB400  Calochortus splendens Bruce Freeman 1968-5-11 680511 5 Riverside Santa Ana Mountains Santa Ana Mountains. 7.7 miles from Washington Ave., in Murrieta, on road from Murrieta to De Luz. 182 Comment
  RSA377468  Calochortus splendens R. K. Benjamin 1929-5-18 234 Riverside Mt. San Jacinto. Comment
  RSA501021  Calochortus splendens Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3140 Riverside Vail Lake area, ridge along N edge Oak Mountain, 1.5-2.0 miles W of the dam. 518 Comment
  UCR172767  Calochortus splendens Abby Sirulnik, Ian G. Gillespie 2000-5-14 53 Riverside Peninsular Ranges; Santa Ana Mtn. Foothills, Temescal Canyon. Indian Truck Road exit off of Interstate 15, c. 0.9 mi. S on De Palma Road 427 Comment
  UC1563116  Calochortus weedii Steve Boyd, Tim Ross, and Laurel Arnseth 1989-6-11 3720 Riverside w end Vail Lake (sw of dam, Vail Lake area) 487 Comment
  UCR120739  Calochortus weedii var. intermedius D. E. Bramlet, Sandy Leatherman 2000-6-7 3062 Riverside Santa Ana Mtns., 762 m north of Tin Mine Canyon and 213 m SW of the intersection of Chase Road and Mangular Avenue in Corona 358 Comment
  POM351398  Calycadenia tenella Robert Gustafson, Gary D. Wallace 1983-6-23 2721 Riverside Along Clinton Keith Road, ca. 2.5 miiles from its junction with Hwy 15, Santa Ana Mts. Comment
  UCR116697  Calycadenia tenella George K. Helmkamp 1974-7-16 s.n. Riverside Santa Ana Mtns. region, Ortega Oaks Park on Hwy 74 610 Comment
  SBBG104076  Calycoseris wrightii A. C. Sanders, E. J. Lawlor 1992-4-4 12114 Riverside within 0.5 mi of McCoy Spring 243 Comment
  JOTR33962  Calyptridium monandrum La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2848 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; sandy wash and gravelly benches with bouldery granitic outcrops Comment
  SD119925  Calyptridium monandrum Louis B. Ziegler 1969-5-27 365 Riverside San Jacinto Mountains; Cahuilla Indian Reservation. 1114 Comment
  UCD100286  Calyptridium monandrum Steve Boyd 1986-3-1 1359 Riverside Gavilan Plateau, Gavilan Hills. 1/4 mile south of Harford Springs County Park. 640 Comment
  UC218257  Calyptridium parryi var. parryi P. A. Munz 1922-7-6 6004 Riverside Tahquitz Valley; San Jacinto Mountains, Tahquitz Valley 2194 Comment
  UCR280916  Calystegia macrostegia Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-6 617- 28 Riverside Temescal Valley, Property on S side of Temescal Canyon Rd., just W of Concordia Ranch Rd. 363 Comment
  UCR265065  Calystegia sepium subsp. binghamiae Mitch Provance 2012-11-10 1112- 02 Riverside San Bernardino Valley, Riverside, Santa Ana River, Fairmont Park, N side of Lake Evans, adjacent to the bike path on the N side of Dexter Dr., just W of the American Legion and the historic Boy Scouts Camp. 241 Comment
  CHSC106540  Camissonia Robert F. Thorne; M. Z. Thorne 1973-3-30 42676 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, on rocky and sandy outwash of Mission Creek. 487 Comment
  RSA0120626  Camissonia arenaria Duncan S. Bell, Thomas Stoughton 2016-3-16 8937 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southeastern section of range, approximately 2.5 air miles northeast of Gucci Spring. 428 Comment
  HSC16408  Camissonia bistorta C. L. Hitchcock 1966-3-15 24173 Riverside 4 mi. NE of Aguanga Comment
  RSA192043  Camissonia bistorta E. W. Lathrop 1959-4-2 4444 Riverside 18 miles S.W. of Elsinore. Tenaja plateau, south slope Comment
  RSA2595  Camissonia bistorta J. T. Howell 1928-7-9 1059 Riverside Temescal Canyon, 6 miles south of Glen Ivy 335 Comment
  RSA586915  Camissonia bistorta D. L. Banks, Steve D. Boyd 1995-5-3 251 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  RSA727394  Camissonia boothii Naomi S. Fraga, Lisa Rojas 2005-2-10 1396 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  HSC49197  Camissonia boothii subsp. condensata D. L. Goforth 1979-4-11 113 Riverside Box Canyon, 10 mi. E of Mecca on State Rte. 195. 220 Comment
  RSA144821  Camissonia boothii subsp. condensata E. G. Linsley, J. W. MacSwain 1960-3-2 60 -4 Riverside Colorado Desert. 20 miles east of Desert Center. Comment
  RSA115524  Camissonia brevipes subsp. brevipes Peter H. Raven 1958-2-15 11568 Riverside Corn Springs, Chuckwalla Mountains. Comment
  RSA145183A  Camissonia brevipes subsp. brevipes E. G. Linsley, J. W. MacSwain 1960-3-2 60 -6 Riverside Colorado Desert, 2 miles west of Desert Center. Comment
  JOTR31006  Camissonia californica La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1291 Riverside Joshua Tree National Park. Stop 5: Hexie Mountains, steep gravel slopes above north side of Blue Cut Gorge Comment
  RSA466162  Camissonia californica E. Crow 1929-4-21 339 Riverside North of Alberhill. 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
  UCR102924  Camissonia californica George K. Helmkamp 1998-2-5 2641 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, 1.1 mi. west of Calif. Hwy 111 on Tramway Rd. 335 Comment
  RSA0028748  Camissonia californica Lyman Benson 1933-3-31 4179 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  JOTR16756  Camissonia campestris subsp. campestris Hogan, J. 1974-6-24 177 Riverside Joshua Tree National Park. .7 MILES WEST OF BARRICADE AT UPPER COVINGTON FLAT 1524 Comment
  UCD103332  Camissonia campestris subsp. campestris Robert C. Bechtel 1952-3-28 26 Riverside Perris. 443 Comment
  CAS-BOT-BC174795  Camissonia cardiophylla Steve Boyd; Tammy Morgan; Aydee Virgen; Sarah DeGroot; Valentin Arvizu; Tim Thibault 2004-5-14 11240 Riverside Colorado Desert: Chocolate-Chuckwalla Mountains region: Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at... Comment
  RSA651689  Camissonia cardiophylla Viki Cruz 1983-5-8 013 *k Riverside Collected at the end of a one mile dirt road off Indian Trail Road at the base of Magnesia Canyon, Santa Rosa Mts. Comment
  CLARK-A1528-3328  Camissonia claviformis John C. Roos 1947-2-15 3267 Riverside Eagle Mountain Comment
  UCR233702  Camissonia claviformis Duncan S. Bell 2010-5-1 889 Riverside Sonoran (Colorado) Desert, Arica Mountains, c. 10.5 air miles SW of Rice, c. 2.6 air miles S of the junction of Hwy 62 and the aqueduct access road 291 Comment
  POM126250  Camissonia claviformis subsp. aurantiaca Thomas Craig 1927-2-6 37 Riverside Canyon near Hidden Springs, Colorado Desert. Comment
  POM211863  Camissonia claviformis subsp. aurantiaca L. R. Abrams 1926-3-26 11083 Riverside Between Palm Springs and Indian Wells. Comment
  UCR115340  Camissonia confusa A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16254 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  RSA186751  Camissonia hirtella Peter H. Raven 1962-4-28 17489 Riverside Ortega Highway 3.9 miles above its east base, Santa Ana Mountains 732 Comment
  RSA652359  Camissonia hirtella Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. 610 Comment
  UCR98304  Camissonia hirtella Scott D. White 1993-5-29 1457 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1372 Comment
  POM9306  Camissonia ignota P. A. Munz, R. D. Harwood 1920-3-20 3373 Riverside 5 miles S of Corona 305 Comment
  UCR106416  Camissonia intermedia George K. Helmkamp, A. C. Sanders 1997-3-15 1501 Riverside Skinner Lake, Grassland at base of Bachelor Mtn. and adjoining chapararal. 488 Comment
  RSA779065  Camissonia micrantha C. P. Cowan 1978-4-25 1278 Riverside 6.7 (10.7 km) miles SW on 74 from jct. with 71, 4.6 (7.3 km) miles from Lake Elsinore, Santa Ana Mountains, Cleveland National Forest. Whittaker transect #W-229. Comment
  POM247919  Camissonia pallida subsp. hallii A. M. Alexander, Louise Kellogg 1941-4-24 2072 Riverside In sand and gravel; Gorge of Dry Morongo Creek, Morongo Valley. 640 Comment
  RSA465911  Camissonia pallida subsp. hallii N. C. Cooper 1944-3-25 1023 Riverside Cabazon. 457 Comment
  RSA80983  Camissonia pallida subsp. pallida G. R. Campbell 1952-4-5 18369 Riverside On road leading from Hwy 60 to 29 Palms [Hwy 62], at jct to Desert Hot Springs. 762 Comment
  RSA675983  Camissonia refracta Scott D. White 2001-4-17 8347 Riverside Sonoran Desert: Shaver s Valley. North of the I-10 Freeway, ca. 16 miles east of Indio jtn. I-10 / SR 111. Bajada, washes, and mtn. foothills near powerline access roads at unnamed freeway exit accessing pump station. 457 Comment
  UCR41609  Camissonia refracta A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6117 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  RSA495787  Camissonia strigulosa Steve Boyd, T. S. Ross, L. Arnseth 1989-3-11 2886 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 390 Comment
  SDSU3315  Camissoniopsis bistorta R. S. Luaw, T. Mosquin 1957-4-1 Riverside 11 mi. w. Riverside Comment
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Mar 28 2014
  SBBG51035  Camissoniopsis hirtella N. R. Zabriskie, W. Zabriskie 1973-4-25 646 Riverside Deep Cyn drainage, E side Hwy 74, opposite Black Hill 914 Comment
  UC1228539  Camissoniopsis ignota C. L. Hitchcock and C. V. Muhlick 1962-3-16 22151 Riverside ca 12 mi se Corona; Temescal Canyon Comment
  UCSB38661  Camissoniopsis micrantha Cowan, Clark 1978-4-25 Riverside Whittaker transect #W-229; 6.7 mi (10.7 km) SW on 74 from jct w/ 71, 4.6 mi (7.3 km) from Lake Elsinore, Sta. Ana Mts., Cleveland Nat. F. Comment
  UCR35113  Cannabis sativa L. B. Ziegler 1974-9-14 535 Riverside Foothills of San Jacinto Mtns., canyon two miles south of Hemet 503 Comment
  RSA523523  Capsella bursa-pastoris Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3982 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA593884  Capsella bursa-pastoris Steve Boyd, Dave Bramlet 1996-4-19 8616 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
  UCR277745  Cardamine Mitch Provance 2011-7-29 17039 Riverside Santa Ana River Valley, Santa Ana River Wash, area between Market St. and the 60 Freeway 244 Comment
  RSA0103089  Carex alma Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8551 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  SD232128  Carex athrostachya Scott D. White, Justin M. Wood 2008-6-18 12222 Riverside San Jacinto Mountains: K Flat Meadow. 1433 Comment
  SD112259  Carex fracta Darley F. Howe 1941-6-8 1295 Riverside San Jacinto Mountains; Strawberry Creek. Comment
  UCR40570  Carex fracta A. C. Sanders 1980-8-23 1765 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  RSA364639  Carex jonesii M. B. Dunkle 1933-7-22 3741 Riverside Tahquitz Valley. 2317 Comment
  POM1481  Carex praegracilis I. M. Johnston 1918-5-26 1995 Riverside Santa Ana River, NW of Corona. 152 Comment
  RSA522270  Carex praegracilis Steve Boyd, David E. Bramlet, Harry Spilman 1989-4-30 3516 Riverside Gavilan Hills, Harford Springs County Park on the N edge of the Gavilan Plateau, E of Gavilan Creek 610 Comment
  RSA740952  Carex praegracilis Scott D. White, Justin M. Wood 2008-6-19 12259 Riverside Meadows at Baldy Mtn. 1585 Comment
  UC835304  Carex sartwelliana I. W. Clokey, E. G. Anderson 1935-8-21 6563 Riverside Fuller's Creek 1500 Comment
  POM172032  Carex subfusca F. M. Reed 1928-7-15 6133 Riverside Strawberry Valley, San Jacinto Mountains. Comment
  SEINET7578807 Image available Carex triquetra L. P. Janeway 2004-5-8 8060 Riverside Sitton Peak 7.5' quad, Peninsula Ranges, Santa Ana Mountains, San Mateo Canyon along Tenaja Trail about 650 m south-southwest of trailhead at Wildomar Road. 375 Comment
  JEPS3823  Castilleja applegatei subsp. martinii W. L. Jepson May 17 1901-Jun 1 1901 1451 Riverside trail to Santa Rosa Peak Comment
  SBBG34206  Castilleja applegatei subsp. martinii T. L. Secrest 1951-5-21 Riverside Idyllwild 1524 Comment
  RSA772020  Castilleja exserta Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4950 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  UC68759  Castilleja exserta subsp. exserta H. M. Hall Apr 1905 5761 Riverside Palm Springs; Colorado Desert 152 Comment
  RSA674929  Castilleja foliolosa Scott D. White, Pam De Vries 2000-4-25 7723 Riverside Temescal Valley: Corona area, eastern foothills of Santa Ana Mountains just above citrus groves. 412 Comment
  RSA0121436  Castilleja minor subsp. spiralis Duncan S. Bell, LeRoy Gross 2016-3-30 9145 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.75 air miles southeast of the summit of Martinez Mountain. 698 Comment
  UCR133394  Castilleja minor subsp. spiralis Tracy Tennant, T. B. Salvato 1998-6-23 MOR 475 Riverside San Bernardino Mtns., Morongo Indian Reservation, N end of Hathaway Cyn., c. 0.4 miles east of pk 4265 (polygon 13) 1341 Comment
  UCR193891  Castilleja minor subsp. spiralis A. C. Sanders, Mitch Provance 2008-7-11 35814 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  UC1492738  Caulanthus hallii Freed W. Hoffman 1950-4-26 3404 Riverside road to Santa Rosa Spring on El Toro Mt. (a branch of Palms-to-Pines Highway 74, 1.2 mi from Highway 74); road to Santa Rosa Spring on El Toro Mt. Comment
  SJSU8306  Caulanthus heterophyllus G. L. Willey 1975-11-17 Riverside Wileys Well (?) [locality questionable, probably from near the coast at some point in S California] 176 Comment
  UCR251313  Caulanthus heterophyllus T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2013-3-28 7422 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Murrieta Road and Scott Road 517 Comment
  JEPS29489  Caulanthus simulans Lauramay T. Dempster 1962-4-18 1901 Riverside Palms-to-Palms Highway Pinyon Flats (Pinyon Flats) 1066 Comment
  SEINET3507491 Image available Caulanthus simulans A. C. Sanders 1986-6-1 6557 Riverside San Jacinto Mountains, along the trail toward Spitler Peak from the Hurkey Creek Camp to Bonita Vista road. Comment
  LA41993  Ceanothus crassifolius W. E. Pequegnat; 1938-1-23 sn Riverside Santa Ana Mountains, Indian Rd 548 Comment
  POM262870  Ceanothus crassifolius J. C. Roos 1941-2-1 225 Riverside south of the ''Plateau'', Reche Canyon. Comment
  RSA575071  Ceanothus crassifolius Steve Boyd 1981-3-4 575071 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
  SEINET3076062 Image available Ceanothus crassifolius B. Pitzer, L. LaPre 1987-3-2 426 Riverside Bundy Canyon, ca. 2.0 mi SE of Lake Elsinore and 0.5 mi N of Bundy Canyon Rd off Raciti Rd. 701 Comment
  UC723782  Ceanothus crassifolius Joseph Andorfer Ewan 1933-3-19 10899 Riverside Tin Mine Canyon Santa Ana Mts. (along canyon bottom) Comment
  UCD111431  Ceanothus crassifolius R. N. Raynor 1941-7-28 s.n. Riverside Highway 71 between Temecula and Aguanga, southern border of county. Comment
  UCR79353  Ceanothus crassifolius Steve Boyd, T. S. Ross 1993-3-1 7722 Riverside Peninsular Range, Vail Lake area, ridge about 1 mi. west of lake, east of 'Little' Oak Mt 610 Comment
  SBBG112850  Ceanothus crassifolius var. crassifolius C. Bornstein, E. Collins 1992-4-13 Riverside St Hwy 74, near summit 762 Comment
  LA30343  Ceanothus cuneatus Mary V. Hood; 1945-3-25 45- 2 -k* Riverside Aguanga 587 Comment
  JEPS42315  Ceanothus leucodermis W. L. Jepson 1901-5-19 1290 Riverside San Jacinto Canon Comment
  RSA736543  Ceanothus leucodermis Scott D. White, Angelia Carey 2004-7-2 10590 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  SD229238  Ceanothus leucodermis Dick Schwenkmeyer 2012-4-18 701 Riverside Mt. San Jacinto: Vista Grande, 1.1 mile northwest of U.S. Forestry station on Highway 243, north of Idyllwild. High granite ridge overlooking Gorgonio Pass to the north and Hemet to the west. 1540 Comment
  SD42463  Ceanothus leucodermis Carl B. Wolf 1941-8-12 11143 Riverside San Jacinto Mts. 1.6 Mi S. Idylwild on Rd. to Tahquitz Lodge [= Keen Camp, says Andy Sanders] 1524 Comment
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Sep 18 2011
  RSA262091  Ceanothus oliganthus E. W. Lathrop 1969-5-9 7032 Riverside Main Divide Truck. Trail between El Carriso and Santiago Peak, Cleveland Nat'l Forest. 1220 Comment
  RSA673494  Ceanothus oliganthus var. oliganthus Scott D. White, Sandy Leatherman 2000-4-19 7659 Riverside Santa Ana Mountains/Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east-and north-facing slopes. 640 Comment
  RSA606754  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27409 Riverside In on N side of Agua Tibia Range, 2-3 km S of Agua Tibia Wilderness boundary gate on trail extending ca. 100 m S of enclosed reservoir on ridge SE of Woodchuck Resort at end of Woodchuck Rd., S of Hwy 79. 1000 Comment
  JEPS42115  Ceanothus palmeri C. V. Meyer Jun 1927 178 Riverside Logan Creek, Banning Road San Jacinto Mountain 1737 Comment
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Nov 13 2011
  POM254871  Ceanothus papillosus var. roweanus W. Pequegnat s.n. Riverside 7 mi. south of Sierra Peak, on Main Divide Rd. 1159 Comment
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Nov 20 2010
  CAS-BOT-BC51916  Ceanothus perplexans Peter H. Raven 1958-5-17 12959 Riverside along road to Banning 6.1 miles North-West of Lake Fulmore, San Jacinto Mountains Comment
  CAS-BOT-BC51919  Ceanothus perplexans Vernon Bailey 1907-6-11 s.n. Riverside San Jacinto Mts., East slope above Palm Springs Comment
  OBI10383  Ceanothus perplexans Robert F. Hoover 1969-4-13 11227 Riverside Pinyon flat, San Jacinto Mts Comment
  UC1071423  Ceanothus tomentosus A. Lewis 1933-2-1 145 Riverside St. John's Grade San Jacinto Quad. Comment
  RSA15027  Ceanothus tomentosus var. olivaceus Daniel Cleveland 1882-5-3 s.n. Riverside Temecula. Comment
  CDA7289  Centaurea X pouzinii F. J. Willmarth 1961-10-18 Riverside Old Fuller Rancho, near Corona. 0 Comment
  UCR3465  Centaurea melitensis Tom Painter 1964-5-16 51664 4 Riverside San Bernardino Valley/Perris-Aguanga Basin, Box Springs Mtn., 1.2 mi SW of intersection of Pigeon Pass Road and Box Springs Road 765 Comment
  SD135128  Centromadia pungens subsp. laevis Craig Reiser 1993-6-14 Riverside Near Winchester N of Patton road and several hundred yards N of the San Diego aquaduct (see map) Comment
  UCR282153  Centromadia pungens subsp. laevis R. E. Riefner Jr. 2017-5-18 17- 258 Riverside Perris-Aguanga Basin, city of Hemet, east of Winchester, north of Simpson Road, east of San Diego Aqueduct, west of active agricultural fields 467 Comment
  RSA0087147  Centromadia pungens subsp. laevis F. W. Peirson 1924-6-21 4762 Riverside Near Temecula. 335 Comment
  UCR127564  Cerastium glomeratum A. C. Sanders, T. B. Salvato 2003-5-21 26793 Riverside Elsinore Valley, Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  POM122304  Cercidium floridum Marcus E. Jones 1926-6-8 sn Riverside Palm Springs Comment
  JEPS64763  Cercidium floridum subsp. floridum W. L. Jepson 1912-10-28 5239 Riverside Riverside Mts.; mesa 45 Comment
  UC1073270  Cercidium floridum subsp. floridum George B. Rossbach 1955-4-23 314 Riverside near Shaver's Well (along Route 195 e of Mecca); Box Canyon Wash 304 Comment
  UCR102903  Cercocarpus betuloides Bern Schwenn 1998-5-9 s.n. Riverside Mojave Desert, Joshua Tree National Park, upper Smith Water Canyon, near Lower Covington Flat Picnic Area 1357 Comment
  RSA552488  Cercocarpus minutiflorus Steve D. Boyd, Tim S. Ross 1992-2-21 6669 Riverside Southern Santa Ana Mountains, San Mateo Cyn Wilderness Area. Potrero de la Cienega area along Morgan Trail from Morrell Canyon south 701 Comment
  CAS-BOT-BC279447  Chaenactis Palmer Stockwell 1940-4-24 1503 Riverside Banning Comment
  RSA180440  Chaenactis artemisiifolia E. W. Lathrop 1965-5-7 5706 Riverside 5 miles SW of Murrieta on the De Luz Road. Comment
  RSA0106705  Chaenactis carphoclinia Duncan S. Bell, Amanda Turek 2010-4-9 755 Riverside East side of the Arica Mountains, near the center of the range; approx. 1.75 air mile west of Priest Well. 439 Comment
  SEINET3146199  Chaenactis carphoclinia G. B. Grant 1906-1 165 a-6785 Riverside on CO desert Palm Springs; S CA Comment
  UCSB37396  Chaenactis carphoclinia Gordon, Patricia 1980-5-18 Riverside Chuckwalla Mtns; Corn Springs Wash 457 Comment
  POM15194  Chaenactis carphoclinia var. carphoclinia Mary F. Spencer 1922-4-8 425 Riverside Palm Springs Comment
  POM66615  Chaenactis carphoclinia var. carphoclinia Marcus E. Jones 1906-4-30 s.n. Riverside Indio. Comment
  POM259906  Chaenactis fremontii Philip A. Munz 1940-3-23 15721 Riverside 3 miles north of Cottonwood Springs, Eagle Mts. 915 Comment
  SEINET1086113 Image available Chaenactis fremontii G. Helmkamp, M. Rosczyk 1985-4-4 223 Riverside West edge of themain canyon 1/4 mile below the BLM gate. 518 Comment
  UCSB49254  Chaenactis fremontii Hibbard, Doug 1977-5-16 Riverside Off NW side of Hwy. 74, 11.8 mi. from intersection with Hwy. 111 1036 Comment
  SEINET7063219  Chaenactis glabriuscula A. G. Vestal 1963-5-19 s.n. Riverside About 0.5 mile west of Cahuilla. UTM Zone 11, 522925mE, 3711215mN. (WGS84/NAD83). 1088 Comment
  UCR156077  Chaenactis glabriuscula T. B. Salvato, Kent Beaman 2005-5-16 795 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  UCR187494  Chaenactis glabriuscula Theresa Johnson 2006-5-22 118 Riverside Peninsular Range, southern Durasno Valley, Silverado site, 5 miles SSW of Anza 1311 Comment
  UCSB9502  Chaenactis glabriuscula Nowell, J. 1958-5-17 Riverside 4 mi. from Banning on Banning-Idyllwild Road Comment
  RSA586110  Chaenactis glabriuscula var. glabriuscula Darin L. Banks, Steve Boyd 1995-4-5 0150 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, W of the Dripping Springs Trail, on alluvial terraces of the W fork of Arroyo Seco. 3 573 Comment
  UC1537042  Chaenactis glabriuscula var. glabriuscula Gordon H. True Jr. 1935-5-15 112 Riverside Box Springs 34 Comment
  UC1979614  Chaenactis glabriuscula var. glabriuscula D. L Banks, Steve Boyd 1995-5-3 0191 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. Comment
  UC63015  Chaenactis glabriuscula var. glabriuscula H. M. Hall 1899-5-1 1166 .1 Riverside Van de Venter's San Jacinto Mt. 1371 Comment
  RSA753480  Chaenactis glabriuscula var. lanosa Scott D. White, Justin M. Wood 2009-5-21 12864 Riverside San Jacinto Mountains: Garner Valley, near abandoned duck ponds, S of Quinn Flat. 1357 Comment
  LA203101  Chaenactis parishii Elizabeth McClintock; 1940-5-19 sn Riverside about 2 mi. from Pines to Palms Highway on Santa Rosa Mt. Road Comment
  UC535051  Chaenactis parishii Victor Duran 1933-7-1 3492 Riverside near Santa Rosa; Santa Rosa Mts. 1828 Comment
  RSA0094754  Chaenactis stevioides Jim M. Andre 2012-4-11 20803 Riverside Little San Bernardino Mountains; western margin of Eagle Mtns, along road to Cottonwood Spr (Utah Trail), 0.7 mi. north of Cottonwood Visitor Ctr. 956 Comment
  UCR275463  Chaenactis stevioides Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 965 Riverside Sonoran (Colorado) Desert, Blythe-Rice Road, ENE of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing 243 Comment
  POM159842  Chaenactis stevioides var. stevioides E. C. Jaeger 1928-3-26 s.n. Riverside Eagle Mts, Colorado Desert. Comment
  JOTR16668  Chamaesyce albomarginata Baker, James K. & Baker, Ilisa T. 1966-6-17 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS Comment
  JEPS22519  Chamaesyce polycarpa Rimo Bacigalupi with Paul Hutchison 1958-2-19 6191 Riverside 9.4 mi n Blythe (in wash); western base of Big Maria Mtns 167 Comment
  UC2026420  Chamaesyce polycarpa Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10064 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. Comment
  POM184752  Chamaesyce polycarpa var. hirtella C. L. Hitchcock 1932-4-7 12213 Riverside 5 miles S of Cottonwood Springs, East Riverside County. Comment
  POM259463  Chamaesyce polycarpa var. hirtella E. C. Jaeger 1939-12-29 s.n. Riverside Eytel canon [canyon]branching from Fargo Canon [canyon] 5 mi. east Indio. 244 Comment
  POM253440  Chamaesyce setiloba Thos. Craig, Frances Craig 1939-11 s.n. Riverside Aguanga. Comment
  UC20107  Chamerion angustifolium subsp. circumvagum H. M. Hall 1899-7-22 723 Riverside Tauquitz Valley San Jacinto Mountains 2438 Comment
  SEINET804427  Cheilanthes covillei Carl B. Wolf 1932-1 4277 Riverside Colorado Desert. Little San Bernardino Mountains. Morongo Wash at Riverside County line. 731 Comment
  UC667375  Cheilanthes covillei Annie M. Alexander and Louise Kellogg 1941-5-4 2119 Riverside Barker Dam; Joshua Tree Nat'l Monument 1322 Comment
  UCR82770  Cheilanthes covillei A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15781 Riverside San Jacinto Mtns., N slope of mtns.: Twin Pines Creek drainage, Azalea Creek and a tributary gully from the west 1189 Comment
  RSA716426  Cheilanthes newberryi Scott D. White 2006-4-27 11312 Riverside Perris Basin/San Jacinto Mtn. Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  SEINET3870278  Cheilanthes newberryi A. C. Sanders, G. K. Helmkamp 1997-3-15 19917 Riverside Lake Skinner area: hill (1864) E of Skinner Lake at NW end of Tucalota Hills.; 0 567 Comment
  RSA775665  Cheilanthes parryi Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy 2011-3-23 814 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 396 Comment
  UCR226998  Cheilanthes parryi Jim Andre 2011-2-2 16219 Riverside Coachella Valley, west of Palm Springs along Hwy 111 (south side) at base of San Jacinto Mtns at Windy Point 5.5 mi from junction with Hwy I-10 259 Comment
  UCSB38682  Cheilanthes parryi Cowan, Clark 1978-4-23 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon 570 Comment
  RSA654967  Chenopodium berlandieri A. C. Sanders, D. Malueg, K. D. Jones, et al. 2000-9-8 s.n. Riverside Perris-Aguanga Basin Region: gasline right of way across Pinto and Hoopes Ranches, east of Briggs Road at and near Warm Springs Creek, S of Scott Rd. 415 Comment
  UCR950  Chenopodium berlandieri O. F. Clarke 1970-9-24 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River bottom just east of the old Salt Lake RR Bridge 216 Comment
  UCR108834  Chenopodium botrys O. F. Clarke 1972-5-21 s.n. Riverside Riverside, Santa Ana River near Union Pacific Bridge 213 Comment
  CHSC26386  Chenopodium californicum Cheryl Johnson 1966-4-16 131 Riverside Ca. 12 miles South of Hemet, West of Sage and North of Black Hiils and Vail Lake in Tucaloto Valley. 609 Comment
  RSA0014928  Chenopodium californicum LeRoy Gross, Caitlin Elam 2013-5-14 6087 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  POM319739  Chenopodium rubrum Patricia Wilder 1970-10-15 4783 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills 152 Comment
  POM122462  Chilopsis linearis subsp. arcuata Marcus E. Jones 1926-6-8 S.N. Riverside Whitewater. Colorado Desert. Comment
  UCR264246  Chilopsis linearis subsp. arcuata A. C. Sanders, Jim Malusa 2015-9-10 41841 Riverside Sonoran (Colorado) Desert, Salt Creek Canyon near top of alluvial fan, beside Summit Rd. c. 1.15 mi. below the old train trestle 213 Comment
  JEPS58874  Chimaphila umbellata Carl V. Meyer 1928-6-14 451 Riverside canyon near Saunder's Meadow (San Jacinto Mt.); San Jacinto Mt. 1737 Comment
  UCR6748  Chloris gayana J. M. Harper 1967-11-18 s.n. Riverside Riverside, residence at 4212 Locust Street 256 Comment
  CAS-BOT-BC184873  Chloris virgata S. B. Parish 1913-2-26 8461 Riverside Salton Basin. Mecca. -57 Comment
  SD234238  Chloris virgata R. E. Riefner 2006-9-19 6 447 Riverside Peninsular Range: Temecula Valley, along I-15 Freeway near Temecula Creek (Temecula 7.5' Q) 301 Comment
  SD255051  Chloris virgata Sarah J De Groot, Amy Rouillard 2015-9-15 7562 Riverside For Dry Lake, Chuckwalla Valley, north of I-10. Mud flat with some standing water at south edge of dry lake bed. 106 Comment
  POM313180  Chloris virgata Malcolm A. Nobs, S. Galen Smith 1948-9-3 490 Riverside Palm Springs. Comment
  SEINET7067551  Chlorogalum parviflorum A. G. Vestal 1947-6-13 s.n. Riverside About 3.1 miles northeast of De Luz. Coordinate datum: NAD27. UTM Zone 11, 474171mE, 3702715mN. Comment
  POM308644  Chorizanthe brevicornu var. brevicornu Henry J. Ramsey, Henry J. Ramsey 1937-5-9 3205 Riverside Near Indio. Comment
  RSA392608  Chorizanthe brevicornu var. brevicornu N. C. Cooper 1944-5-20 2629 Riverside Palm Springs. 137 Comment
  UCR59536  Chorizanthe coriacea Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3237 Riverside Peninsular Range, Vail Lake area, sandy valley at NE end of lake, north of Wilson Creek 488 Comment
  RSA512166  Chorizanthe fimbriata Ed LaRue 1989-5-3 s.n. Riverside 2 mi. (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at McVicker Canyon. 488 Comment
  RSA599401  Chorizanthe fimbriata R. E. Riefner 1994-5-2 94 -356 Riverside Santa Rosa Plateau, ca. 2 mi from Clinton-Keith Rd on Tenaja Rd. Comment
  HSC35441  Chorizanthe fimbriata var. fimbriata J. D. Ackerman, A. M. Montalvo 1975-6-26 523 Riverside Hwy. 74 between Lake Elsinor and San Juan Capistrano, near upper San Juan Campground Comment
  CAS-BOT-BC460910  Chorizanthe leptotheca W. P. Vestal; A. G. Vestal 1947-3-30 s.n. Riverside About 2 miles up San Jacinto Canyon 518 Comment
  UCR16542  Chorizanthe leptotheca Heidi A. Haid 1964-5-10 64510- 12 Riverside Hwy 79, c. 1 mi. east of Aguanga 610 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
  RSA769652  Chorizanthe parryi var. parryi Duncan S. Bell, Naomi Fraga 2010-4-22 853 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.2 air miles southeast of junction of Highway 74 and forest service road 5S15. 771 Comment
  RSA784660  Chorizanthe polygonoides Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 67 Riverside South main divide road splitting Comment
  UCR189567  Chorizanthe polygonoides var. longispina Andrea Salzman 2006-4-13 066 Riverside Peninsular Range, Lake Skinner; c. 500 m west of Warren Rd by equestrian trial Comment
  UCR189811  Chorizanthe polygonoides var. longispina Diane Menuz 2006-5-23 101 Riverside Peninsular Range, Oak Mountain; c. 2.5 km north of Vail Lake 823 Comment
  RSA180496  Chorizanthe procumbens E. W. Lathrop 1960-6-9 4958 Riverside 14 miles west of Murrieta. Comment
  CAS-BOT-BC246235  Chorizanthe rigida John H. Thomas 1957-3-30 6560 Riverside 8.1 miles east of Cactus City, about 20 miles east of Coachella. Colorado Desert 426 Comment
  CLARK-A1528-729  Chorizanthe rigida Charlotte Stocks 1966-4-10 Riverside Mecca Comment
  HSC28466  Chorizanthe rigida Richard Spjut 1973-4-5 3268 Riverside Colorado Desert; N slopes of the Chuckawalla Mtns. ca. 3-4 mi. S of Desert Center 305 Comment
  RSA709909  Chorizanthe rigida Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4614 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  RSA388504  Chorizanthe staticoides Steve Boyd 1986-5-1 1812 Riverside Bachelor Mtn.: Lower south slopes of Bachelor Mtn., east end of Lake Skinner. Comment
  LA206564  Chorizanthe xanti L. Haines; L. Erickson 1937-4-11 sn Riverside Morongo Valley Comment
  RSA392791  Chorizanthe xanti var. leucotheca N. C. Cooper 1944-5-6 1169 Riverside Devils Garden Near Whitewater. 457 Comment
  SD104517  Chrysolepis sempervirens Betty Mackintosh 1973-7-28 Riverside El Toro Peak, Santa Rosa Mountains 2654 Comment
  POM352017  Chrysothamnus paniculatus P. A. Munz 1946-10-20 11585 Riverside Cottonwood Springs, Joshua Tree National Monument. 1067 Comment
  RSA450415  Chrysothamnus paniculatus J. C. Roos 1965-11-6 s.n. Riverside Whitewater. 305 Comment
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Jan 14 2010
  SBBG23065  Chylismia claviformis subsp. aurantiaca D. Myrick 1965-3-4 1079 Riverside Palms to Pines Hwy 74 609 Comment
  UC73288  Chylismia claviformis subsp. aurantiaca M. F. Gilman 1904-1 Riverside Banning Comment
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Mar 13 2011
  UCD103919  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-2-15 11570 Riverside Corn Springs, Chuckwalla Mountains. Comment
  UCR1624  Cirsium occidentale var. occidentale Leland R. Dykes 1962-5-8 105 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, San Mateo Canyon [Tenaja] Road, c. 14 mi west of Palomar Road [=Washington Ave.] in Murrieta [probably 2-3 miles west of Tenaja Guard Station] Comment
  POM307245  Cistanthe monandra Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2103 Riverside Santa Rosa Mountains. Comment
  UCR142037  Citrullus lanatus var. citroides Mitch Provance 2003-5-25 s.n. Riverside Santa Ana River Valley, north side of Ab Brown Park, along Placentia Lane 0.5 mi. SW of the La Loma Hills 255 Comment
  UCR260832  Clarkia epilobioides A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41529 Riverside Woodcrest area of Riverside, wet canyon 0.25 km ENE of Evening Star Rd., 0.25 km north of Ridge Canyon Dr., above Woodcrest Dam 372 Comment
  RSA192051  Clarkia purpurea subsp. quadrivulnera E. W. Lathrop 1959-5-3 4511 Riverside 14 miles west of Murrieta. Tenaja Canyon. Comment
  UCR1220  Clarkia purpurea subsp. quadrivulnera Martha McCarthy 1960-4-24 s.n. Riverside Santa Ana Mtns. Region, Tenaja Road, 3 mi. from junction with Washington Avenue, Murrieta Comment
  RSA586735  Clarkia similis D. L. Banks, Steve D. Boyd 1995-5-17 458 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. 598 Comment
  POM307267  Claytonia parviflora subsp. parviflora Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2119 Riverside Santa Rosa Mountains. Comment
  RSA615097  Claytonia parviflora subsp. parviflora D. L. Banks 1997-3-29 1582 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., West of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  UCR138646  Claytonia parviflora subsp. parviflora D. L. Banks 1997-2-17 1275 Riverside Agua Tibia Mtns., NW Palomar Mountains: burned areas in the Temecula community of Redhawk, south of the intersection of Redhawk Parkway and Tehachapi Pass Road 396 Comment
  UCR102834  Claytonia perfoliata subsp. mexicana A. C. Sanders 1997-4-3 20163 Riverside Lake Skinner area, near north foot of Black Mountain, slopes south of Crown Valley 726 Comment
  SDSU13495  Claytonia perfoliata subsp. perfoliata Shawn Johnston, Calf. Plant Taxonomy Class Spring 2000 2000-4-1 15 Riverside Santa Margarita Ecological Reserve North End. Comment
  UC64112  Clematis ligusticifolia Harvey M. Hall 1897-7-26 735 .5 Riverside San Jacinto Mts. Comment
  UCR246587  Clematis pauciflora A. C. Sanders 2012-3-22 39985 Riverside Peninsular Range; Temescal Valley, foot of Santa Ana Mtns., SE of intersection of Glen Eden Rd. and I-15 Frontage Rd., south of Corona (Lee) Lake 378 Comment
  UCR91666  Clematis pauciflora D. L. Banks, Steve Boyd 1995-5-9 0422 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, west of the Dripping Springs Alcove, west of Woodchuck Campground. 701 Comment
  RSA440822  Cleome isomeris M. B. Dunkle 1932-3-25 s.n. Riverside Cabazon. Colorado desert. 457 Comment
  POM229458  Collinsia concolor Philip A. Munz 1937-5-30 15090 Riverside sandy area north of Vandeventer Flat, Santa Rosa Mts. 1677 Comment
  UCR281529  Collinsia concolor Mitch Provance, Matt K. Beyers, John Hazlett 2017-3-30 317- 90 Riverside Temescal Valley, S of the 15 Fwy., 0.3 miles W of Hostettler Rd. 384 Comment
  RSA559444  Collinsia heterophylla Steve D. Boyd 1992-4-15 6868 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  UC124616  Collinsia parryi H. M. Hall 1897-4-17 460 Riverside Banning Comment
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Mar 13 2011
  SD124711  Condalia globosa var. pubescens Andy C. Sanders, Et al. 1986-3-1 6042 Riverside Chuckawalla Bench, W side of Chuckawalla Mtns, 9 miles S of Hwy I-10 on the gasoline road, 2 mi. airline S of the Model Mine. 579 Comment
  UCR217666  Convolvulus simulans Ana Hernandez, Rose Cook 2010-4-15 016 Riverside Perris-Aguanga Basin, Estelle, c. 265m south of Cajalco Road, c. 335m east of La Sierra Ave. intersection 426 Comment
  RSA575928  Conyza bonariensis Steve Boyd, Darin L. Banks 1994-9-29 8368 Riverside Floodplain E of dike along San Jacinto River, W of Sedco Hills community. 381 Comment
  POM48905  Cordylanthus nevinii Philip A. Munz, I. M. Johnston 1924-7-27 8755 Riverside Dark Canyon, San Jacinto Mts. 1829 Comment
  UCR177634  Cordylanthus rigidus John F. Green, M. D. Wilcox 2003-7-15 s.n. Riverside San Jacinto Mtns., on powerline trail, picnic area at Juan Diego Flats, NW of Cahuilla Mountain 1220 Comment
  JOTR29553  Coreopsis bigelovii Andre, Jim, Tasha LaDoux 2006-4-11 6742 Riverside Joshua Tree National Park. Lost Horse Employee Campground 1285 Comment
  GMDRC2590  Coreopsis californica var. californica T. La Doux, J. Andre 2008-3-21 145 Riverside Little San Bernardino Mountains: Joshua Tree National Park: Upper Wilson Wash, approx 9.5 mi. S. of North Entrance 33 deg. 58.263' N 115 deg. 59.688' W. Elev. 3338 ft. 1018 Comment
  JEPS30473  Coreopsis californica var. californica Peter H. Raven 1958-3-16 11870 Riverside 4.3 mi e of Cholla Cactus Garden, Joshua Tree National Monument Comment
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Jun 9 2012
  UCSB22622  Corethrogyne filaginifolia Breedlove, Dennis 1961-8-4 Riverside Along Riverside Highway 1, 9 miles south of Banning; San Jacinto Mountains 1341 Comment
  CLARK-A1528-1782  Corethrogyne filaginifolia var. bernardina John C. Roos 1951-9-25 5272 Riverside Riverside 259 Comment
  RSA615554  Cornus glabrata A. C. Sanders, T. Tennant, A. Sanders 1997-11-14 21596 Riverside San Bernardino Mtns: Morongo Idian Reservation, W end of Burro Flats. 1159 Comment
  UCR116001  Coronopus didymus A. C. Sanders, D. Bramlet, E. J. Lawlor, C. L. Sanders 2000-1-16 23306 Riverside Shipley-Skinner Reserve, campground and boat launching area on the east side of Lake Skinner 457 Comment
  RSA526177  Cotula australis Steve Boyd, Timothy S. Ross 1990-5-11 4679 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
  SD125721  Crassocephalum crepidioides A. C. Sanders 1986-9-15 6960 Riverside Temecula. Comment
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Sep 10 2011
  UCR232040  Cressa truxillensis John F. Green 2008-4-22 04- 05 Riverside Peninsular Range, hills south of Perris, powerline route just east of the San Jacinto River, west of Goetz Rd. 438 Comment
  UC1490304  Crossosoma bigelovii Rolf Y. Berg 1980-4-2 Riverside Whitewater Canyon; ca 2.5 mi from mouth Comment
  HSC27844  Croton californicus R. W. Spjut 1973-4-13 3298 Riverside Colorado Desert, within the city limits of Palm Springs just N of the metropolitan area on Palm Canyon Drive, Hwy. 111 122 Comment
  RSA777342  Croton californicus Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4711 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119 604 Comment
  SBBG67680  Croton californicus M. N. Ackley 1928-3-11 353 Riverside Bridge Haven [Service Station in Whitewater, 1920s -1950] 426 Comment
  SD236275  Croton californicus A. C. Sanders, Mike Misenhelter 2008-6-10 35447 Riverside San Bernardino Valley: Glen Avon, San Sevaine Wash south of Hwy 60 and of San Sevaine Way, east of concrete channel. 231 Comment
  SDSU3717  Croton californicus James C. Dice, and Virginia Moran 1987-11-28 760 Riverside Temecula Gorge, on north bank of Santa Margarita River at aquaduct crossing. T8S, R3W, SE 1/4 of 1/4 of Section 27. 250 Comment
  UC1329962  Croton californicus James E. Cole 1941-4-13 561 Riverside 0.5 mi n Meek's Cabin; Joshua Tree National Monument, Pinto Pass Comment
  UC1922002  Croton californicus Scott D. White, Angelia Carey 2004-5-7 10312 Riverside San Jacinto Mountain Foothills: Indian Creek and adjacent foothills. Comment
  UCR155303  Croton setiger A. C. Sanders 2005-5-4 29840 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  GMDRC5507  Cryptantha J. Andre, T. La Doux, R. B. Kelley 2011-5-4 21088 Riverside Little San Bernardino Mountains: Long Canyon, up side canyon approx. 400 m. west of main canyon drainage 1172 Comment
  UCR251696  Cryptantha T. B. Salvato 2014-4-9 7843 Riverside Perris-Aguanga Basin, Menifee, c. 4 mi southeast of Canyon Lake, northeast corner of Bundy Canyon Road and Sunset Avenue 534 Comment
  UCR256768  Cryptantha T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7879 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 549 Comment
  RSA784773  Cryptantha angustifolia Duncan S. Bell 2012-3-18 3177 Riverside Mecca Hills; southeastern section of hills; up a side canyon of the east fork of Hidden Springs Canyon, approximately 1.5 air mile southwest of Hidden Spring. 129 Comment
  SBBG6241  Cryptantha angustifolia C. H. Muller 1952-4-6 9508 Riverside Pinto Basin, Joshua Tree Nat Monument Comment
  SD62565  Cryptantha angustifolia W. D. Asserson Mar 1966 Riverside Point Quien Sabe, Big Maria Mountains, 20 miles north of Blythe 149 Comment
  UC604980  Cryptantha angustifolia Roxana S. Ferris and Ruth P. Rossbach 1938-5-15 9515 Riverside 19 mi from Cottonwood Springs (ne of Pinto Basin); Pinto Basin Comment
  JOTR30311  Cryptantha barbigera La Doux, Tasha, Erin Babich, Bill Truesdell 2008-3-10 1744 Riverside Joshua Tree National Park. Stop 2: Near sand hill in Pinto Basin 538 Comment
  RSA0106707  Cryptantha barbigera Duncan S. Bell, Amanda Turek 2010-4-9 757 Riverside East side of the Arica Mountains, near the center of the range; approx. 1.75 air mile west of Priest Well. 439 Comment
  RSA3966  Cryptantha barbigera C. B. Wolf 1932-4-29 3105 Riverside Eastern Colorado Desert, 9 mi S of Brown's Well on the Blythe-Rice Road [Midland Rd]. 243 Comment
  SD127607  Cryptantha barbigera David Charlton 1988-2-18 1133 Riverside South side of Little San Bernardino Mountains, Fargo Canyon Road to Cottonwood Wash, 1 mile east of junction Dillon Road and Fargo Canyon Rd 609 Comment
  RSA0042543  Cryptantha barbigera Philip A. Munz 1949-4-13 13045 Riverside Above Cottonwood Springs, west end Eagle Mts., Colorado Desert. 1097 Comment
  UCR137679  Cryptantha barbigera var. fergusoniae A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16133 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  CAS-BOT-BC189331  Cryptantha circumscissa John H. Thomas 1957-3-30 6576 Riverside Joshua Tree National Monument. About 3 miles SE of White Tank near the road to Cholla Cactus Garden. About 20 miles NE of Indio 883 Comment
  UCR228207  Cryptantha costata Dave Silverman 2010-3-24 7824 Riverside Sonoran (Colorado) Desert, South Palen Lake, Chuckwalla Valley, 5.1 km SE of Sidewinder Well, 2.7 km SW of Palen Dunes Dr., and 3.4 km N of Interstate 10 133 Comment
  UCR174946  Cryptantha decipiens Jennifer H. Jones, Toby Bartels 2006-4-23 276 Riverside Transverse Ranges; San Bernardino Mtns., Banning Pass, NE of Cabazon along powerline road and in Deep Canyon 744 Comment
  UCR196108  Cryptantha decipiens Jim Andre, T. La Doux 2006-4-11 8140 Riverside S Mojave Desert, Joshua Tree National Park, along Pinto Basin Road (paved) through Wilson Canyon at Fried Liver Wash 858 Comment
  POM368275  Cryptantha intermedia Ora M. Clark 1929-2-23 1547 Riverside Near Banning. Comment
  RSA67310  Cryptantha intermedia G. R. Campbell 1951-4-22 15998 Riverside Palms to Pines Hwy [74], 1 mi. e. of road to Santa Rosa Mt.[Santa Rosa Mt Truck Trail], 1371 Comment
  UC1168697  Cryptantha intermedia Peter H. Raven 1958-5-17 12940 Riverside 3.4 mi se Banning (on road to Idyllwild); San Jacinto Mountains Comment
  UCR202009  Cryptantha intermedia Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  RSA0076112  Cryptantha intermedia J. D. Olmsted 1962-5-2 3446 Riverside By saddle just north of highest part of Box Spring Mountains. By road from Pigeon Pass. 777 Comment
  RSA772969  Cryptantha intermedia var. intermedia Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4774 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA0119973  Cryptantha maritima Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9094 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.75 air miles southeast of the summit of Martinez Mountain. 550 Comment
  NY1154442  Cryptantha micrantha N. H. Holmgren 1973-3-22 6462 Riverside Rice Valley, 7 miles south-southwest of Rice 274 Comment
  UC573635  Cryptantha micrantha H. S. Yates 1937-3-23 5394 Riverside 2 mi n Palm Springs; San Jacinto Quad. 213 Comment
  UCSB12462  Cryptantha micrantha Dearing, Hugh; Dearing, Margaret 1942-2-5 Riverside Cathedral City Comment
  SEINET12280852  Cryptantha micrantha Unknown 1936-1 12847 Riverside Colorado Desert 5 mi N of Palm Springs Comment
  UCSB40037  Cryptantha microstachys Cowan, Clark 1978-4-25 Riverside 5.1 mi. (8.1 km.) W on Hwy. 74 from its jct. with Hwy. 243, approaching Hemet, San Jacinto Mts. 1370 Comment
  RSA0035745  Cryptantha muricata A. C. Sanders 2013-7-6 40838 Riverside Idyllwild, SE part of town near Saunders Meadow, west end of Tahquitz View Dr. toward Crestview Dr. 1707 Comment
  RSA585729  Cryptantha muricata D. L. Banks, S. D. Boyd 1995-5-9 391 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 701 Comment
  UCR264742  Cryptantha muricata Steve Boyd, Valerie Soza 2004-6-22 11544 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
  RSA0079417  Cryptantha muricata var. jonesii R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38079 B Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  SD247358  Cryptantha nemaclada T. B. Salvato, John F. Green 2004-5-27 571 Riverside San Bernardino Mountins; head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1.0 mile SE of Oak Glen Conservation Camp. 1341 Comment
  UCR193359  Cryptantha nemaclada A. C. Sanders, Tim Thomas 2008-6-20 35550 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  VVC2474  Cryptantha nevadensis var. nevadensis Tim Thomas 2013-3-18 5933 Riverside Sonoran Desert, 10 miles WSW of Blythe NE of Mule Mtns. 116 Comment
  POM98012  Cryptantha racemosa E. C. Jaeger 1926-3-26 s.n. Riverside Eagle Mts, Eastern 884 Comment
  UCR39238  Cryptantha utahensis M. L. Rosczyk, G. K. Helmkamp 1985-4-4 213 Riverside Little San Bernardino Mtns/ Sonoran (Colorado) Desert, The Nature Conservancy's Big Morongo Preserve, south of Morongo Valley. Main canyon, one-half mi. below the BLM gate 518 Comment
  RSA5435  Cryptogramma acrostichoides C. B. Wolf 1932-8-5 3978 Riverside Rocks at summit of San Jacinto Peak 3294 Comment
  CLARK-A1528-427  Cucurbita palmata Charlotte Stocks 1964-8-15 Riverside La Quinta Comment
  RSA543156  Cucurbita palmata Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6106 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
  SBBG120589  Cuscuta californica var. californica A. C. Sanders, T. B. Salvato, K. Volansky 2006-5-28 32622 Riverside hills between Murrieta and Menifee Valley, W of I-215, S of Bundy Cyn/Scott Rd and N of Clinton Keith Rd, 591 Comment
  UCR92718  Cuscuta pentagona A. C. Sanders, S. Ogg 1994-7-28 15174 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  POM48532  Cuscuta salina P. A. Munz 1924-6-21 8202 Riverside On Cressa, alkaline dry flats, Lake Elsinore. 372 Comment
  RSA0080817  Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2013-3-20 17721 .1 Riverside Cottonwood Mountains, Joshua Tree National Park, north side of Cottonwood Canyon, 200m west of Wood Spring, 450m SW of Cottonwood Spring, 38km NE of Indio. 895 Comment
  RSA0072260  Cylindropuntia echinocarpa Michelle Cloud-Hughes, Tim Thomas, Kelsey Black 2013-3-24 089 Riverside Palo Verde Mesa, 14km WSW of Blythe. 120 Comment
  UCR20826  Cylindropuntia echinocarpa Don Emery 1980-5-15 s.n. Riverside Sonoran (Western Colorado) Desert, Coachella Valley, Devers Hill, near the So. Cal. Edison substation 305 Comment
  CAS-BOT-BC56190  Cylindropuntia ganderi C. B. Wolf; P. C. Everett 1938-9-29 9456 Riverside Field redacted by CAS, contact the data manager for more information 1066 Comment
  UCR177851  Cylindropuntia prolifera John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, unincorporated area along San Diego Aqueduct Corridor, 1 km due west of Skunk Hollow, between Nicholas Rd. and Borel Rd., east of Murrieta Hot Springs 421 Comment
  UCR232793  Cynodon dactylon John F. Green 2008-4-16 0408- 51 Riverside Peninsular Range; Perris-Aguanga Valley, SSE of Romoland, powerline route north of McLaughlin Rd, between Palomar and Dawson roads 442 Comment
  UCR110370  Cyperus erythrorhizos A. C. Sanders, Mitch Provance 1999-9-26 23123 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  POM123345  Cyperus laevigatus Marcus E. Jones 1925-4-24 s.n. Riverside Thousand Palms Comment
  SD187303  Cyperus niger Scott D. White, Angelia Carey 2004-9-16 10759 Riverside San Jacinto Mountain foothills: Indian Creek watershed, above confluence with San Jacinto River. 579 Comment
  UCR60752  Cyperus odoratus Bill Wagner 1989-11-28 s.n. Riverside Peninsular Range, c. 1 mi west of Santa Margarita River, 3-4 mi south of Temecula. Comment
  RSA215570  Dalea formosa Susan O'Brien 1970-5-9 s.n Riverside Apache trail near Banning. Comment
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Nov 30 2014
  RSA784943  Dalea mollis Duncan S. Bell 2012-2-12 3121 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  UCR167392  Dalea mollis John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  UCR241544  Dalea mollis A. C. Sanders, Ann Howald 2013-2-27 40540 Riverside Sonoran (Colorado) Desert, Coachella Valley, north of Ave. 70 near Cleveland St., 10 km SE (108 deg. ) of Mecca -40 Comment
  RSA4878  Dalea mollissima C. B. Wolf 1932-4-27 2994 Riverside Colorado Desert, 14 miles E. of Mecca on Blythe Road 152 Comment
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Sep 18 2011
  UCR145967  Datura wrightii June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  UCR274000  Datura wrightii Mitch Provance 2012-9-11 17620 Riverside Badlands of Western Riverside County, Beaumont, near N base of Mt. Davis, near Cooper's Creek (tributary of San Timoteo Creek), about 2000 ft., along dirt road extension of Risco Circle, S of W 4th St. 762 Comment
  CAS-BOT-BC293816  Deinandra fasciculata A. C. Sanders 2004-5-11 27855 Riverside Elsinore Basin Region: Alberhill Mountain, lower south-facing slopes southeast of the clay mining area 450 Comment
  UC1746496  Deinandra paniculata A. C. Sanders, T. B. Salvato 2000-5-25 23423 Riverside 2 miles due east of Railroad Canyon Lake; Menifee Valley; S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake Comment
  CLARK-A1528-3860  Delphinium parishii subsp. parishii John C. Roos 1947-5-10 3612 Riverside Reche Canyon Comment
  JOTR34068  Delphinium parishii subsp. parishii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2965 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon on edge of 2009 burn area, north of Lost Horse Mine trail Comment
  CAS-BOT-BC7860  Delphinium parishii subsp. subglobosum K. Watkins; E. McClintock 1937-4-10 s.n. Riverside Palms to Pines Highway, 2 mi. above valley Comment
  CAS-BOT-BC121422  Delphinium parryi subsp. parryi Steve Boyd 1986-4-22 1766 Riverside Temescal Canyon: Terrace escarpment W side of Indian Wash, S of I-15. Comment
  RSA394494  Delphinium parryi subsp. purpureum N. C. Cooper 1949-6-29 4328 Riverside Hemet Lake, San Jacinto Mountains. 1524 Comment
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Nov 22 2011
  UCR240654  Delphinium patens Tracy Tennant, Mitch Provance 1998-6-16 MOR- 411 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  RSA784544  Delphinium patens subsp. hepaticoideum J. D. Olmsted 1959-5-13 627 Riverside Drainage area to Santa Ana River: Beacon Pines Ranch on Spring Trail, 100 yd below Main Divide T.T. 823 Comment
  RSA0124291  Dendromecon rigida Duncan S. Bell 2016-4-16 9334 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  SD212680  Dendromecon rigida Jennifer H. Jones, Teresa Bui et al 2006-5-31 344 Riverside San Jacinto Mountains: just down Mt. Edna Road West off of CA Highway 243 1146 Comment
  JOTR34104  Descurainia pinnata subsp. glabra La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2725 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy pediment/bajada surrounding granitic ourcrops near Stirrup Tank parking lot (Stop 1) Comment
  RSA772417  Descurainia pinnata subsp. glabra Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4846 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm)., between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  POM183957  Descurainia pinnata subsp. halictorum P. A. Munz 1932-3-14 11989 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  UCR265010  Descurainia sophia Mitch Provance 2013-4-8 413- 08 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  CLARK-A1656-885  Dicentra chrysantha Theo Glenn 1979-5-23 Riverside Snow Creek Comment
  SD185234  Dicentra chrysantha T. B. Salvato, John F. Green 2004-5-27 704 Riverside Head of Banning Canyon close to the San Bernardino County line, 0.5 mile southeast of Oak Glen Conservation Camp. 1402 Comment
  SEINET3152113  Dicentra chrysantha M. F. Gilman 1904-1 25 Riverside Banning Comment
  SEINET272343 Image available Dichelostemma capitatum A. C. Sanders, G. Helmkamp 1997-3-15 19923 Riverside Lake Skinner area: hill (1864) E of Skinner Lakeat NW end of Tucalota Hills 549 Comment
  POM17820  Dichelostemma capitatum subsp. capitatum Philip A. Munz, D. D. Keck 1923-6-14 7079 Riverside Trail Glen Ivy to Santiago Peak. 1616 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
  CAS-BOT-BC292187  Dicoria canescens M. E. Jones 1933-12-29 s.n. Riverside Cabazon Comment
  CAS-BOT-BC292190  Dicoria canescens John Thomas Howell 1928-11-4 4087 Riverside Below Palm Canon [Canyon] on road from Indio to Palm Springs Comment
  PASA833  Dicoria canescens Frank W. Peirson 1920-12-29 Riverside One and one-half miles east of Thite-water 304 Comment
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Nov 12 2014
  RSA219228  Dieteria canescens var. ziegleri C. W. Tilforth, John Dourley 1970-9-2 298 Riverside Along road to santa Rosa Mountain 1524 Comment
  SEINET269467 Image available Digitaria sanguinalis Scott D. White, Steve Ogg 1994-10-17 2499 Riverside Temecula Valley. City of Temecula, Murrieta Creek channel at confluence with Sta. Gertrudis Creek USGS 71/2' Murrieta quad. 315 Comment
  RSA613465  Dimorphotheca sinuata D. L. Banks, Victor Steinmann 1997-3-13 1456 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  CAS-BOT-BC152267  Diplacus clevelandii Peter H. Raven 1962-5-18 17759 Riverside Main Divide Truck Trail 2.9 miles south of Santiago Peak 1234 Comment
  CAS-BOT-BC153093  Diplacus fremontii Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  RSA0019428  Diplacus fremontii H. M. Hall 1901-06 2049 Riverside In the vicinity of Chalk Hill. 1524 Comment
  GMDRC5837  Ditaxis claryana J. M. Andre 2013-3-27 24823 Riverside Riverside Mountains: east side of Riverside Mountains, along Hwy 95, 13.2 mi. south of Vidal Jct 126 Comment
  JEPS48843  Ditaxis lanceolata Marjorie D. Clary 1932-5-1 946 Riverside Deep Canyon w. Colorado Desert, Santa Rosa Mts., Deep Canyon Comment
  POM10489  Ditaxis lanceolata Charlotte M. Wilder 1907-4-8 772 Riverside Near Palm Springs 152 Comment
  UC570801  Ditaxis neomexicana H. L. Mason 1928-3-10 4223 Riverside Hidden Springs Canyon Coachella Mts., Hidden Springs Canyon Comment
  CAS-BOT-BC43651  Dithyrea californica J. Von Loh 1978-1-23 3316 Riverside Palo Verde Mesa, 12 miles west of Blythe. 121 Comment
  POM14563  Dithyrea californica R. W. Campbell 1922-3-12 s.n. Riverside Palm Springs Comment
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Jul 4 2010
  RSA530743  Dithyrea californica M. B. Dunkle 1934-2-25 3845 Riverside Cathedral Canyon. Colorado Desert. 152 Comment
  RSA651834  Dithyrea californica Brinkerhoff 1949-2-20 s.n. Riverside Thousand Palms, Colorado Desert. 762 Comment
  UCR84842  Dithyrea californica A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16142 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  OBI69423  Dodecahema leptoceras L. LaPre 1988-1 Riverside Comment
  SBBG103911  Dodecatheon clevelandii S. D. White 1993-4-20 1213 Riverside ridge SE of Estelle Peak, Gavilan Hills 792 Comment
  POM212602  Downingia cuspidata P. A. Munz 1941-5-18 16647 Riverside About 15 miles northeast of Temecula. 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
  RSA783368  Dryopteris arguta J. D. Olmsted 1959-3-4 774 Riverside Saunder's Meadows near Idyllwild 1662 Comment
  RSA58862  Dudleya abramsii P. A. Munz, P. C. Everett 1950-6-23 14913 Riverside 2 miles NW of Pipe Creek, Hemet Valley, San Jacinto Mountains 1402 Comment
  RSA125606  Dudleya lanceolata Lee W. Lenz, H. N. Metcalf 1957-6-7 22623 Riverside About 15 mi. south of Hemet along Hwy 79. Comment
  UC115215  Dudleya lanceolata Charlotte M. Wilder 1905-6-1 584 Riverside near Riverside (Jurupa Hills) Comment
  UCR123761  Dudleya lanceolata Steven R. Hill 2001-4-29 33547 Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  RSA192089  Dudleya pulverulenta E. W. Lathrop 1966-5-15 6317 Riverside 3 miles SE of Murrieta on the De Luz Road. Comment
  UCR58950  Dudleya saxosa Kenneth Cooper 1986-4-18 s.n. Riverside San Jacino Mtns, Oasis de los Osos Preserve of the nature conservancy, Snow Creek Canyon, at the N foot of the San Jacinto Mtns Comment
  CAS-BOT-BC109603  Dudleya saxosa subsp. aloides Reid Moran 1947-5-10 2181 Riverside Palms-to-Pines highway 1 mile east of Santa Rosa Summit. 1371 Comment
  CLARK-A1528-1173  Dudleya saxosa subsp. aloides Sally Bell 1964-5-3 Riverside 761 Comment
  RSA397787  Dudleya saxosa subsp. aloides Ora M. Clark 1929-2-22 1548 Riverside N. Whitewater. Comment
  UC1979820  Dudleya saxosa subsp. aloides Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-5-16 1252 Riverside Transverse Ranges; San Bernardino Mountains region: Haugen Lehmann off I-10, Pacific Crest Trail (PCT) in canyon directly W. of Whitewater. Comment
  UCR215765  Dudleya saxosa subsp. aloides Jim Andre, T. La Doux 2006-4-26 11711 Riverside South Mojave Desert, Joshua Tree National Park, upper Long Canyon, western drainage 1165 Comment
  RSA192242  Echinochloa crus-galli H. A. Zuill 1966-7-17 291 Riverside About 9 miles SW of Murrieta on the De Luz Road. Comment
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Jan 23 2009
  RSA370868  Echinochloa crus-galli R. F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61273 Riverside Sandia Canyon, De Luz-Murrieta Road 260 Comment
  UCR85593  Echinodorus berteroi Julie A. Greene, S. D. Boyd,, D. E. Bramlet, H. Flores, H. Ochoterana 1993-7-9 1414 Riverside San Jacinto Valley, San Jacinto Wildlife Area [northwest of Lakeview] 433 Comment
  JEPS20696  Eclipta prostrata S. B. Parish 1912-10-2 8362 Riverside Mecca -57 Comment
  UC581339  Eclipta prostrata George Black 1937-11-26 Riverside Riverside, canal along Santa Fe tracks near Pachappa Station Comment
  UCR205879  Eichhornia crassipes R. E. Riefner Jr. 2009-2-25 09- 18 Riverside Peninsular Range, city of Lake Elsinore, south side of Temescal Wash, west of Hwy 74, vicinity of Bromley Ave. at Bennett St. 380 Comment
  CHSC23211  Elatine californica Robert F. Thorne; E. Lathrop et al. 1967-5-19 37967 Riverside Santa Rosa Plateau. Mesa de Colorado, Rancho California. 624 Comment
  UCR272501  Eleocharis acicularis Mitch Provance 2012-8-8 812- 01 Riverside San Gorgonio Pass, Banning, S. Hathaway St., between Adams St. and Bryan St. 659 Comment
  UCR6206  Eleocharis macrostachya D. Gordon 1952-5-19 s.n. Riverside San Bernardino Valley Region, Riverside, UCR campus 335 Comment
  UCR68862  Eleocharis montevidensis Steve Boyd, T. S. Ross 1990-5-11 4664 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
  RSA644634  Eleocharis palustris Scott D. White 1993-3-12 1146 Riverside San Jacinto Valley: between aqueduct and Warren Road. 457 Comment
  RSA289841  Eleocharis parishii B. A. Prigge 1980-9-17 4073 Riverside Coachella Valley Stormwater Channel: E of Munroe St., Indio. -3 Comment
  RSA570756  Elymus X gouldii Steve Boyd, Timothy S. Ross, J. Travis Columbus 1993-10-23 8196 -A Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Morrell Canyon along Morgan Trail (5W02). 878 Comment
  CAS-BOT-BC203837  Elymus X hansenii Peter H. Raven 1958-5-5 12881 Riverside Jumbo Rocks Camp Ground, Joshua Tree National Monument Comment
  POM14414  Elymus elymoides P. A. Munz 1922-6-28 5883 Riverside Santa Rosa Mountains. [San Jacinto Mountains] 2409 Comment
  UC38191  Elymus glaucus H. M. Hall 1901-7-20 2515 Riverside vicinity of Strawberry Valley San Jacinto Mts. 1615 Comment
  UC38193  Elymus glaucus H. M. Hall July 1901 2455 Riverside Tauquitz Valley San Jacinto Mountains 2133 Comment
  RSA500549  Elymus glaucus subsp. glaucus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3623 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, S of Hwy 79. 488 Comment
  UCR2376  Elymus triticoides F. M. Reed 1926-5-20 5372 Riverside Santa Ana Mtns., Santa Rosa Plateau, akaline lake margin west of Temecula [presumably the large vernal pool on Mesa de Colorado, c. 7 mi. due west of Temecula] 625 Comment
  HSC86343  Emmenanthe penduliflora Jane Hildreth 1981-6-4 22 Riverside 5 mi. S of banning along Hwy. 243, San Jacinto Mtns. 1067 Comment
  HSC93130  Emmenanthe penduliflora Karen Kirtland 1993-4-17 Riverside Hills N of Temecula Comment
  POM128370  Emmenanthe penduliflora Thomas Craig 1927-4-23 200 Riverside Glen Ivy. Comment
  RSA586310  Emmenanthe penduliflora D. L. Banks, Steve D. Boyd 1995-5-3 221 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UCR107412  Emmenanthe penduliflora B. G. Pitzer 1997-3-23 2964 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  UCR279586  Emmenanthe penduliflora A. C. Sanders, Jim Malusa 2017-3-28 43145 B Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  SEINET10397868  Emmenanthe penduliflora Norman C. Cooper 1944-4-8 1053 Riverside Andreas Canyon 305 Comment
  SEINET12279716  Emmenanthe penduliflora H. M. Hall 1902-1 2986 Riverside vicinity of Riverside, in the Upper Sonoran Zone 457 Comment
  JEPS34089  Encelia actoni W. L. Jepson 1928-4-25 12584 Riverside Cottonwood Springs Colorado Desert, Eagle Mts., Cottonwood Springs 731 Comment
  LA202452  Encelia farinosa T. A. Geissman; 1966-3-12 31266 -EF Riverside Joshua Tree National Monument, S entrance Comment
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Sep 20 2013
  LA31386  Encelia farinosa Jane Turner; Barbara Wlatreel, Virginia Sjaholm 1959-3-21 C 173 Riverside Morongo Wash Comment
  RSA670063  Encelia farinosa Donald W. Kyhos 1965-3-13 65 -111 Riverside 6.2 miles west of Junction of Hwy 78 and Hwy 60-70 near Blythe Comment
  SDSU16481  Encelia farinosa Ben Czerwiec, Taxonomy of California Plants class 2005-5-2 13 Riverside One quarter mile south of the 111 highway in a canyon facing the North. Individual slopes face east and west. Five to six miles east of Interstate 10. 457 Comment
  SEINET2050631 Image available Encelia farinosa D. Gordon 1952-1-22 Riverside University of California, Riverside campus. 427 Comment
  UC809737  Encelia farinosa E. K. Balls 1949-4-2 12903 Riverside near Durmid (on Highway 111 and slopes toward Salton Sea); Colorado Desert -67 Comment
  RSA515198  Encelia farinosa var. phenicodonta Steve Boyd, Orlando Mistretta 1986-3-13 1470 Riverside West side Palen Mts.: NE of Desert Center. Comment
  UCR214289  Encelia farinosa var. phenicodonta A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37484 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  CAS-BOT-BC131423  Encelia frutescens H. M. Hall 1905-4-1 5859 Riverside Near Chuckawalla Springs Comment
  POM282135  Ephedra californica Lyman Benson 1933-3-31 4163 Riverside US 66 [US 60], Palm Springs. Mt. Range San Jacinto . 305 Comment
  RSA383873  Ephedra californica Ora M. Clark 1929-2-23 1517 Riverside South of Cabazon Comment
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Mar 13 2011
  UCR133659  Ephedra californica Chet McGaugh 2004-2-25 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, northern Palm Springs, near the Whitewater River channel, NW corner of Sunrise Way and San Rafael 171 Comment
  RSA0124029  Ephedra nevadensis Duncan S. Bell, LeRoy Gross 2016-3-10 8888 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 1.75 air miles northwest of the summit area. 938 Comment
  RSA678363  Ephedra nevadensis Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10502 Riverside West side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains Comment
  SBBG402  Ephedra viridis H. and M. Dearing 1949-4-11 6748 Riverside above Cathedral City, Palms to Pines Hwy Comment
  UCR106921  Epilobium canum D. L. Banks, Lauren Raz 1996-11-5 1167 Riverside Agua Tibia Mountains, Pechanga Indian Reservation, ESE of San Gabriel Church; along floodplain of the southern fork of Pechanga Creek. 415 Comment
  RSA512  Epilobium canum subsp. latifolium J. T. Howell 1927-8-2 572 Riverside Road to Hemet, Mt. San Jacinto. 1372 Comment
  RSA754122  Epilobium ciliatum W. Schlegel, Andrew Troutte, Jordan Zylstra 2008-8-29 12 Riverside Idyllwild: Skunk Cabbage Meadow. 2449 Comment
  UCR4661  Epilobium ciliatum Frank C. Vasek 1964-7-25 640725- 08 Riverside San Jacinto Mountains, Dark Canyon 1829 Comment
  UCR19157  Epipactis gigantea John C. Roos 1948-5-29 3870 Riverside San Bernardino Mtns., Whitewater Canyon 856 Comment
  UC810270  Equisetum laevigatum Crawford and Johnston 1917-6-9 1216 Riverside Santa Ana River near Corona Comment
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Jun 9 2011
  SBBG89536  Equisetum telmateia subsp. braunii J. Adams 1966-4-28 744 Riverside Santa Rosa Plateau, dirt rd from Murrieta to De Luz 762 Comment
  UCR139981  Eragrostis pectinacea var. pectinacea A. C. Sanders 2004-8-10 28767 Riverside Perris-Aguanga Region, 3 miles ENE of Perris, new nursery growing grounds west of Menifee Rd. (=Pozos Av.) & south of Nuevo Rd., between San Jacinto River and Nuevo 433 Comment
  RSA748373  Eremalche exilis Justin M. Wood 2009-3-26 407 Riverside [Coachella Valley:] Bermuda Dunes; Avenue 38, between Washington St and I-10. 37 Comment
  UCR50915  Eremalche exilis D. E. Bramlet 1988-4-27 s.n. Riverside San Jacinto Valley, Hemet area, 0.25 mi. east of the intersection of Gibbel and State Streets. Comment
  RSA432713  Eremalche rotundifolia M. B. Dunkle 1935-3-17 4406 Riverside Desert Center. 610 Comment
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Dec 13 2011
  UCR279382  Eremothera boothii A. C. Sanders, Jim Malusa 2017-3-24 42968 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  JOTR35062  Eremothera refracta La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3514 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road. South-facing bajada with shallow Sonoran desert riparian corridors among desert pavement. Comment
  JOTR29151  Eriastrum densifolium subsp. austromontanum La Doux, Tasha, K. Knudsen, J. Galvin 2005-8-22 1228 Riverside Joshua Tree National Park. Eureka Peak Comment
  CAS-BOT-BC514308  Eriastrum densifolium subsp. austromontanum H. M. Hall 1897-7-1 688 Riverside San Jacinto Mountains Comment
  CAS-BOT-BC514314  Eriastrum densifolium subsp. austromontanum C. W. Tilforth 1976-7-21 1222 Riverside C. 5 mi N of Idyllwild 1524 Comment
  RSA0110540  Eriastrum densifolium subsp. austromontanum I. W. Clokey, E. G. Anderson 1935-8-21 6829 Riverside East of Keen Camp P. O. 1350 Comment
  RSA0042917  Eriastrum eremicum Duncan S. Bell, Evan Meyer 2014-4-2 6498 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  UC2062556  Eriastrum eremicum subsp. eremicum Sarah J. De Groot with Robert K. Lauri 2005-7-7 5116 Riverside North foot of Mt. San Jacinto: Along Snow Creek Road just south of Highway 111, south of I-10. Comment
  CAS-BOT-BC514463  Eriastrum eremicum subsp. eremicum Ynez Whilton Winblad 1937-4-19 s.n. Riverside Near Palm Springs Comment
  RSA0120683  Eriastrum harwoodii Duncan S. Bell 2010-5-1 911 Riverside Arica Mountains: northwest of mountain range, approximately 6.5 air miles southwest of the ghost town of Rice, and approximately 5 air miles northwest of Priests Well. 339 Comment
  UC130497  Eriastrum sapphirinum Charlotte M. Wilder 1909-7-15 959 Riverside at gate near keeper's house; Hemet Valley Comment
  RSA409368  Eriastrum sapphirinum subsp. dasyanthum Robert Gustafson, Gary D. Wallace 1983-6-23 2724 Riverside Along Clinton Keith Road, ca. 2.5 miiles from its junction with Hwy 15, Santa Ana Mts. Comment
  SD137688  Eriastrum sapphirinum subsp. dasyanthum Darin L. Banks, Victor Steinmann 1995-7-10 753 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; along the Wildhorse Trail south of lower Arroyo Seco, northnorthwest of Wildhorse Peak. 609 Comment
  JEPS122467  Eriastrum sapphirinum subsp. sapphirinum J. M. Andre 2012-6-15 30544 Riverside San Jacinto Mountains; west slopes of range slong Poppet Flat Road, Poppet Creek Canyon, 3.2 miles west of Highway 243. Lake Fulmor 7.5' Q. Comment
  CAS-BOT-BC286793  Ericameria cuneata var. spathulata John Thomas Howell 1928-1-31 3321 Riverside At nw. end of Pinto Basin, n. Colorado Desert Comment
  UCR272497  Ericameria nauseosa Mitch Provance 2013-6-18 613- 32 Riverside Santa Ana River Valley, Riverside, Arlanza area, W side of Hole Lake and adjacent mesa. 226 Comment
  UC489130  Ericameria nauseosa var. bernardina C. V. Meyer 1928-7-31 613 Riverside w slope of Tahquitz Peak; San Jacinto Mts., Tahquitz Peak 2529 Comment
  RSA0008410  Ericameria palmeri var. pachylepis A. C. Sanders 1997-11-25 21625 Riverside Skinner/Domenigoni region, S of Hemet Eastside (Diamond Valley) Reservoir, Nicholson Ranch site, just below water line of reservoir under construction, E end of S side of Diamond Valley, ca. 2/3 of the way from W dam to E dam 503 Comment
  UC63168  Ericameria palmeri var. pachylepis H. M. Hall 1900-5-29 Riverside Comment
  RSA68333  Erigeron divergens G. R. Campbell 1951-5-30 16151 Riverside Pine Meadow Ranch, SE of Kenworthy 1433 Comment
  UC1483923  Erigeron foliosus var. foliosus C. W. Tilforth and John Dourley 1980-7-15 2067 Riverside 0.1 mi in from Hiway 74 (on north leg of Thomas Mt. Rd., South of Lake Hemet & west of Hiway 74) Comment
  LA205568  Eriodictyon crassifolium A. H. Lange; 1951-5-26 sn Riverside Palms to Pines Highway 152 Comment
  OBI83154  Eriodictyon crassifolium Cecelia Call 1958-6-14 10 Riverside One-third mile south of Cleveland National Forest boundary-Tinmine 2 meters high. Comment
  RSA0038305  Eriodictyon crassifolium Louis B. Ziegler 1969-7-1 s.n. Riverside Near Morris Ranch. Hemet Valley, San Jacinto Mts. Comment
  CAS-BOT-BC189127  Eriodictyon crassifolium var. crassifolium Marian L. Campbell 1921-3-19 73 Riverside Palm Springs Comment
  UCR234761  Eriodictyon crassifolium var. crassifolium A. C. Sanders, John F. Green 2012-6-25 40310 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon near Hostettler Rd. south of I-15, narrow canyon draining from vicinity of Palomino Creek Dr. at end of Calendula St. 376 Comment
  POM12849  Eriodictyon trichocalyx var. lanatum P. A. Munz 1922-6-25 5816 Riverside Local on dry bench near small creek, below Santa Rosa 1524 Comment
  RSA608182  Eriogonum R. S. Woglum 1941-5-17 3042 Riverside Peninsular Ranges / Sonora Desert jct: Alder Canyon off Coyote Canyon. Comment
  CAS-BOT-BC248643  Eriogonum apiculatum H. M. Hall 1897-7-1 849 Riverside San Jacinto Mountains 1828 Comment
  RSA766437  Eriogonum apiculatum E. L. Peterson 1931-9-8 s.n. Riverside Ridge trail to Tahquitz Peak, along S side of Tahquitz Valley. San Jacinto Mts. 2439 Comment
  SEINET3289843 Image available Eriogonum apiculatum M. W. Denslow, Firoozeh Navid-Ara; Valerie Soza 2003-7-15 1454 Riverside Peninsular Ranges; San Jacinto Mountains region: East of Idyllwild, along South Ridge Road (5S11 Rd.) 1890 Comment
  UCR111261  Eriogonum apiculatum Ralph Hoffmann 1929-9-7 s.n. Riverside San Jacinto Mountains, Fuller's Mill Comment
  SEINET5328305  Eriogonum apiculatum J. L. Reveal, Barbara J. Ertter 1976-6-30 4569 Riverside Santa Rosa Mtns, along the dirt road to Santa Rosa Mtn. at Stump Spring Camp, about 13.5 mi SE of California Hwy 74, 2316 Comment
  JOTR16809  Eriogonum davidsonii Baker, James K. & Baker, Ilisa T. 1966-6-17 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS Comment
  POM229032  Eriogonum davidsonii P. A. Munz 1937-5-29 15152 Riverside Deep Canyon, Santa Rosa Mountains. 1067 Comment
  RSA766423  Eriogonum davidsonii Ralph Hoffmann 1929-9-7 1000 Riverside Mount San Jacinto. 1829 Comment
  RSA783168  Eriogonum davidsonii Elizabeth A. Kempton, Naomi Fraga, Tim Tibault, Valentin Arvizu 2006-6-7 384 Riverside San Jacintos, near Palm View Peak, just east of Forbes Ranch Road 1879 Comment
  UCR122586  Eriogonum davidsonii George K. Helmkamp 1995-11-16 100 Riverside San Jacinto Mtns, Along Calif. Hwy 243, 0.25-0.50 mi south of Bay Tree Spring (about 0.9 mi north of Lake Fulmor) 1616 Comment
  UCR193746  Eriogonum davidsonii A. C. Sanders, Mitch Provance 2008-7-11 35750 Riverside Peninsular Range; San Jacinto Mtns., 3/4 mi. NE of Mountain Center, c. 1/4 mile NE of Keenwild Fire Station, near road to helipad 1494 Comment
  SBBG1478  Eriogonum deflexum H. and M. Dearing 1949-4-16 6751 Riverside Box Cyn Comment
  RSA0081621  Eriogonum deflexum var. deflexum Jim M. Andre 2012-4-11 20832 Riverside Joshua Tree National Park; western margin of Eagle Mtns, along road to Cottonwood Spr (Utah Trail), 0.6 mi. south of Cottonwood Visitor Ctr. 913 Comment
  RSA777281  Eriogonum elongatum Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4744 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119. 604 Comment
  RSA773176  Eriogonum fasciculatum Duncan S. Bell, Joy D. England 2010-5-27 1126 Riverside San Bernardino National Forest: Rouse Ridge, approximately 0.9 air mile southeast of junction of Highway 74 and forest service road 5S15. 744 Comment
  SEINET1909578  Eriogonum fasciculatum A. C. Sanders 2004-1 28392 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, large rocky hill (1762 ft) 1 mi E of Murrieta Rd and 1 mi N of Bundy Canyon Rd, ca 5 miles due south of Sun City 469 Comment
  UC849407  Eriogonum fasciculatum var. flavoviride C. L. Hitchcock 1940-4-1 5903 Riverside 1 mi below Cottonwood Spring; Joshua Tree National Monument Comment
  SD229218  Eriogonum fasciculatum var. foliolosum Dick Schwenkmeyer 2012-4-17 694 Riverside Mt. San Jacinto: Vista Grande, 2 miles south of U.S. Forestry station on Highway 243 north of Idyllwild 1618 Comment
  UC412782  Eriogonum fasciculatum var. polifolium R. L. Pendleton 1905-9-28 256 Riverside Riverside Comment
  UCR117099  Eriogonum fasciculatum var. polifolium A. C. Sanders, T. B. Salvato 2001-5-16 24303 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  UCR193976  Eriogonum gracile A. C. Sanders 2008-7-25 35911 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, along Bonita Vista Rd. at foot of hills 1580 Comment
  JEPS56917  Eriogonum gracile var. gracile Carl V. Meyer 1928-7-30 576 Riverside Saunder's Meadow San Jacinto Mt., Saunder's Meadow Comment
  RSA33368  Eriogonum gracile var. gracile N. C. Cooper 1943-9-26 929 Riverside Cabazon. 610 Comment
  RSA736551  Eriogonum gracile var. gracile Scott D. White, Angelia Carey 2004-7-2 10582 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  RSA0097132  Eriogonum gracile var. incultum Marc A. Baker, Michelle Cloud-Hughes 2015-6-23 18361 Riverside 2.5 km NNW of central Beaumont, 42 km ENE of central Riverside. 785 Comment
  SEINET3289845 Image available Eriogonum gracile var. incultum M. W. Denslow, Firoozeh Navid- Ara; Valeria Soza 2003-7-16 1456 Riverside Peninsular Ranges; San Jacinto Mountains Region: Santa Rosa Mountains, at junction of Road 7S02 and 74, just west of Rarick Spring 1479 Comment
  CLARK-A1528-742  Eriogonum inflatum P. A. Rauch 1966-2-19 Riverside 60 Comment
  RSA698441  Eriogonum inflatum J. R. Bruff 1928-4-3 173 Riverside 13 miles W of Desert Center. Comment
  UC85855  Eriogonum inflatum var. deflatum Mrs. E. C. Thurber 1896-3-21 Riverside Palm Springs Comment
  POM230615  Eriogonum maculatum I. W. Clokey 1935-4-17 s.n. Riverside Cottonwood Springs. Comment
  CAS-BOT-BC270595  Eriogonum molestum Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  POM250544  Eriogonum molestum I. W. Clokey, E. G. Anderson 1935-8-21 s.n. Riverside East of Keen Camp P.O. 1370 Comment
  UC849812  Eriogonum molestum I. W. Clokey, E. G. Anderson 1935-8-21 6594 Riverside e Keen Camp P.O. 1370 Comment
  CAS-BOT-BC269780  Eriogonum nudum var. pauciflorum H. M. Hall 1901-7-1 2504 Riverside San Jacinto Mountains 1645 Comment
  LA206958  Eriogonum nudum var. pauciflorum Louis C. Wheeler; 1931-10-4 219 Riverside San Jacinto Mountains, Hemet-Idyllwild Road Comment
  SD22473  Eriogonum palmerianum Susan G. Stokes 1933-7-1 Riverside Road to Idyllwild, sandy flat near road 762 Comment
  CLARK-A1528-3682  Eriogonum parishii Robin Lynn Kobaly 1977-8-26 Riverside Comment
  JOTR29274  Eriogonum plumatella La Doux, Tasha 2005-8-17 1544 Riverside Joshua Tree National Park. Little San Bernardino Mountains, east of Barker Dam; near Wall Street Mill parking lot along trail heading toward Wonderland Wash 1319 Comment
  JOTR16818  Eriogonum pusillum Wanrow, E. 1968-5-6 s.n. Riverside Joshua Tree National Park. EUREKA PEAK 1676 Comment
  POM14061  Eriogonum pusillum P. A. Munz, D. D. Keck 1922-4-14 5002 Riverside East of Whitwater Ranch 213 Comment
  UCSB18462  Eriogonum pusillum Keith, Sheldon 1963-5-5 Riverside State Highway 74; 10.2 miles SW of Palm Desert 883 Comment
  JOTR32195  Eriogonum saxatile Harding, Mitzi & Herskovits, Tasya, D. Oquendo 2011-5-5 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; side canyon of Pushawalla Canyon; Steep rocky/gravelly drainage near elevated seep, and steep gravelly hills surrounding it (Stop 4) 1371 Comment
  UC454076  Eriogonum saxatile I. J. Condit 1910-6-22 Riverside San Jacinto Mts. 2438 Comment
  CAS-BOT-BC263547  Eriogonum thomasii John Thomas Howell 1931-6-5 6653 Riverside 1 mile east of Whitewater Comment
  RSA510049  Eriogonum thomasii B. Pitzer 1988-3-10 657 Riverside Chuckwalla Mountains. W side of mountains, on gas line road ca. 1.5 mi north of intersection with Red Cloud Mine Road (and wash); ca. 2 miles (airline) S of Highway I-10. (Red Cloud Road. 10 km cell; PH-2N, 3E) 488 Comment
  SD248480  Eriogonum thomasii Mark A. Baker, Amy Rominson, Chris Hackbarth, Michelle Cloud-Hughes 2013-3-19 17717 Riverside Palo Verde Mesa, 14 km SW of Blythe, 5 km ENE of north end of the Mule Mountains. Comment
  UC634999  Eriogonum thomasii H. L. Mason 1928-3-10 4190 Riverside White Water River Comment
  UC912800  Eriogonum thomasii Alice Eastwood 1913-4-30 3059 Riverside Palm Springs Comment
  UCR139376  Eriogonum thomasii I. M. Johnston 1917-4-4 1091 Riverside Sonoran (Colorado) Desert, near Palm Springs 183 Comment
  UCR20834  Eriogonum thomasii A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1322 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  UCR245950  Eriogonum thomasii Duncan S. Bell 2009-3-7 08 Riverside Arica Mountains, east side of range, c. 1.7 miles west of Priest Well 431 Comment
  CLARK-A1528-3727  Eriogonum wrightii subsp. membranaceum John C. Roos 1943-7-31 2705 Riverside San Jacinto Mountains Comment
  CAS-BOT-BC261786  Eriogonum wrightii var. nodosum R. F. Hoover 1966-10-15 10177 Riverside Bighorn Drive, San Jacinto Mts. Comment
  SD119923  Eriogonum wrightii var. nodosum Louis B. Ziegler 1969-10-22 396 Riverside San Jacinto Mountains - Pinyon Flats. 1250 Comment
  UC1080584  Eriogonum wrightii var. nodosum E. K. Balls and P. C. Everett 1957-11-13 22799 Riverside Snow Creek, n side of valley Snow Creek 701 Comment
  JOTR30677  Erioneuron pulchellum La Doux, Tasha, Jim Andre 2008-9-13 272 Riverside Joshua Tree National Park. At the base of NW end of Belle Mountain at Pinto Wye Maintenance service area 1103 Comment
  POM357895  Eriophyllum ambiguum var. paleaceum Emery M. Whilton 1937-4-23 s.n. Riverside Taken on the crest of the San Jacinto Mtns. Comment
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Dec 18 2011
  CDA5248  Eriophyllum confertiflorum A. C. Browne 1952-5-13 Riverside Temecula. 0 Comment
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Mar 18 2014
  UCR147706  Eriophyllum confertiflorum Steve Boyd, Aydee Virgen 2004-4-13 10869 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  UCR177115  Eriophyllum confertiflorum Tracy Tennant, Jeffrey Ross 1998-3-10 MOR- 1107 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon 1037 Comment
  POM29805  Eriophyllum multicaule Marcus E. Jones 1882-5-27 s.n. Riverside San Jacinto Mts. Comment
  RSA673543  Eriophyllum multicaule Scott D. White, Tasha La Doux 2000-4-20 7672 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills. 610 Comment
  UCR196011  Eriophyllum wallacei R. F. Thorne, M. Z. Thorne 1973-3-30 42687 Riverside Sonoran (Colorado) Desert, Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs; [vicinity of Hwy 62 crossing of Mission Creek] 488 Comment
  UCR87145  Eriophyllum wallacei A. C. Sanders, K. C. Rose, , D. Woodard 1995-3-15 16121 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  UCSB6534  Eriophyllum wallacei Kamb, Peter 1948-4-11 Riverside Banning-Indio Highway east of Whitewater Wash, Coachella Valley 457 Comment
  UCR100441  Erodium botrys B. G. Pitzer 1997-4-20 3205 Riverside Lakeview Mtns, Approximately 50 ft. east of intersection of Stagecoach Road with Juniper Flat Road. 534 Comment
  POM17787  Erodium brachycarpum H. Baer 1923-2-25 s.n. Riverside Temecula Canyon. Comment
  RSA668341  Erodium cicutarium C. R. Annable 1995-3-16 2288 Riverside 4 km W of Chiriaco Summit and 0.8km N of Interstate 10. Comment
  SEINET156053  Erodium cicutarium Norman C. Cooper 1944-3-24 993 Riverside Banning. 701 Comment
  UCR97247  Erodium cicutarium Scott D. White 1997-2-28 4720 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  RSA660053  Erodium cicutarium Carol Zuck 1981-2-16 31 Riverside 1 mi east of I-15 on Cajelco Rd. Comment
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Jun 27 2013
  RSA0009847  Erodium texanum Marcus E. Jones 1906-4-30 s.n. Riverside Indio. Comment
  UCR23187  Eryngium aristulatum P. Tomlinson 1981-5-24 43 Riverside Peninsular Range, Near Mesa de Colorado, c. 1 mi south of Tenaja Rd., 3 mi east of Squaw Mtn, and c. 0.25 mi north of central Mesa Colorado 652 Comment
  UCR62382  Eryngium aristulatum R. Montijo 1990-5-23 s.n. Riverside Mesa de Colorado, S edge of Santa Rosa plataeu 642 Comment
  POM159828  Erysimum capitatum var. capitatum E. C. Jaeger 1926-3-27 s.n. Riverside Old Santa Rosa, Colorado Desert. [possibly deserted Santa Rosa Indian Village, Santa Rosa Mtns. -SW] Comment
  UCSB2339  Erysimum capitatum var. capitatum Newby, Ron 1959-5-16 Riverside 1 mile W. of Tahquitz Meadows which is 8 miles N of Idyllwild in the San Jacinto Mountains 2590 Comment
  SD134372  Erythranthe breweri Craig Reiser 1992-5-9 Riverside San Jacinto Mountains, Thomas Mountain Comment
  SDSU14082  Erythranthe guttata Joel Tracey 2002-4-20 10 Riverside Santa Margarita Ecological Reserve, 0.2 miles east from parking area intersecting Santa Margarita River and Northside Field Station road, small pond within river formed by rock basin. 252 Comment
  SEINET14046013 Image available Erythranthe guttata Philip A. Munz 1938-1 15354 Riverside Virgin Spring, Santa Rosa Peak 2286 Comment
  CAS-BOT-BC110555  Eschscholzia Elizabeth McClintock 1958-4-5 s.n. Riverside In Painted Canyon, Colorado Desert. Comment
  RSA586807  Eschscholzia californica D. L. Banks, S. D. Boyd 1995-5-3 244 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  UC118512  Eschscholzia californica Charlotte M. Wilder June, 1905 653 Riverside Wilder's Canyon West Riverside, Jurupa Hills Comment
  UCR777  Eschscholzia californica Joe Buriel 1966-3-12 s.n. Riverside Off Van Buren Avenue, 1 mi. east of Mockingbird Canyon Road turnoff 457 Comment
  UCD105364  Eschscholzia minutiflora Geoffrey Levin 1976-3-27 694 Riverside Chino Canyon, west of Palm Springs. Alluvial fan of San Jacinto Mts. 396 Comment
  RSA0023224  Eschscholzia papastillii M. B. Dunkle 1933-3-4 3063 Riverside Painted Canyon, Colorado Desert. 30 Comment
  CAS-BOT-BC419634  Eschscholzia parishii W. R. Ernst 1960-3-15 720 Riverside East of Indio on Highway 60-70, about 6 miles west of Cactus City Comment
  CAS-BOT-BC419643  Eschscholzia parishii Arthur R. Kruckeberg 1939-4-11 136 Riverside Santa Rosa Mts. Comment
  JOTR28955  Eschscholzia parishii La Doux, Tasha 2005-3-30 1191 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  SBBG104165  Escobaria vivipara var. alversonii E. R. Blakley 1993-5-20 7567 Riverside Pinto Mtns, E of White Tank Cmpgrd, Joshua Tree Nat Monument Comment
  UCR241951  Eucalyptus A. C. Sanders, Timothy W. Chumley 2013-3-28 40710 Riverside Peninsular Range, Alberhill, along Lake St. 1.45 km south of I-15, near old clay mines 396 Comment
  OBI38361  Eucalyptus rudis Alden Kelly 1986-3-17 s.n. Riverside Edgemont area of Moreno Vallye, from planting along W side of hwy 215 at Eucalyptus Ave, row runs ca 1 mi along 215 457 Comment
  JEPS1721  Eucrypta chrysanthemifolia var. chrysanthemifolia W. L. Jepson 1901-6-1 21004 Riverside Riverside Comment
  RSA516424  Eucrypta chrysanthemifolia var. chrysanthemifolia Walter Wisura, T. Hayduk, Bart O Brien 1990-5-2 4431 Riverside Ortega Hwy. below switchbacks, near Lake Elsinor. Comment
  JOTR33981  Eulobus californicus La Doux, Tasha, M. Harding 2010-4-7 2869 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  UC50301  Eulobus californicus H. M. Hall Apr. 1903 3808 Riverside Vicinity of Riverside 396 Comment
  RSA113529  Euonymus occidentalis var. parishii E. K. Balls, C. H. Dodson 1955-9-20 21442 Riverside Just below Dark Canyon campground. 1616 Comment
  UCR188699  Euphorbia J. M. Stewart 1989-10-17 616 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, c. 10 mi west of Wiley's Well 305 Comment
  UCR174440  Euphorbia albomarginata A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32475 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR97279  Euphorbia albomarginata Scott D. White 1993-4-30 1315 b Riverside San Jacinto Valley, Near intersection of Warren Rd. and Stetson Ave. 458 Comment
  RSA792560  Euphorbia eriantha Duncan S. Bell 2012-9-13 4187 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  RSA0121209  Euphorbia jaegeri Duncan S. Bell, LeRoy Gross 2016-3-8 8816 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; center of the range, approximately 2 air miles east southeast of the summit for the range. 603 Comment
  JOTR35059  Euphorbia polycarpa La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3511 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road. South-facing bajada with shallow Sonoran desert riparian corridors among desert pavement. Comment
  UCD142700  Euphorbia polycarpa Patricia Wilder 1971-5-13 4946 Riverside Chino Hills Mountain Range. Prado Flood Control Basin; along bank at east end of top of Prado Dam. 213 Comment
  UCR272654  Euphorbia polycarpa Sarah J. De Groot, Amy Rouillard 2015-9-15 7575 Riverside along Eagle Mountain Road north of Hwy I-10, at large wash crossin west of Desert Center, western Chuckwalla Valley Comment
  OBI14408  Euphorbia polycarpa var. hirtella Lewis S. Rose 1966-12-11 66099 Riverside La Quinta 91 Comment
  UCR33700  Euphorbia polycarpa var. hirtella Sears 1978-3-18 947 Riverside Sonoran (Colorado) Desert, 10 mi. SW of Desert Center, 8 mi. south of Interstate Hwy 10 on Red Cloud Mine Road, following mining railroad 457 Comment
  UCR211711  Euphorbia polycarpa var. polycarpa Fred M. Roberts, Michelle Balk 2006-5-1 6324 Riverside Perris Basin, Old Salt Creek watershed, South Hemet Hills, west of California Ave, c. 2.8 km southwest of the west end of Hemet Ryan Airport runway 483 Comment
  UCR58873  Euphorbia setiloba J. M. Stewart 1989-10-17 615 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, c. 10 mi west of Wiley's Well 305 Comment
  RSA192162  Euphorbia spathulata E. W. Lathrop 1966-5-15 6323 Riverside Tenaja Guard Station, Trabuco District, Cleveland National Forest. Comment
  UCR5432  Eustoma exaltatum O. F. Clarke 1966-9-22 660922- 02 Riverside Santa Ana River bottom near Riverside Sewage Plant, Riverside Comment
  RSA561522  Euthamia occidentalis Steve Boyd, Timothy S. Ross, David E. Bramlet 1992-9-9 7674 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
  SDSU11512  Fagonia chilensis var. laevis A. H. Gallup 1949-3-28 376 Riverside Near Palms to Pines Hwy. 732 Comment
  CSUSB333  Fagonia laevis P. A. Rauch 1966-2-19 Riverside 2 miles east of 1000 Palms Canyon at dirt road to Hidden Springs Ranch. 60 Comment
  RSA11580  Fagonia laevis N. Dunn, A. M. Martin 1932-3-26 s.n. Riverside Cottonwood Springs. Comment
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Sep 11 2011
  RSA0009993  Fagonia laevis Marcus E. Jones 1924-2-26 s.n. Riverside Shaver's Well. Comment
  CHSC103495  Fagonia pachyacantha Steve Boyd; Tammy Morgan, Aydee Virgen, Sarah DeGroot 2004-5-14 11237 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  JEPS121573  Fagonia pachyacantha Adam C. Schneider with Will Freyman 2014-2-16 387 Riverside Box Canyon Road. Comment
  RSA391111  Fagonia pachyacantha W. Hutchinson 1926-3-1 s.n. Riverside Colorado Desert. Comment
  SD247521  Fagonia pachyacantha A. C. Sanders, Jim Malusa 2015-3-11 41400 Riverside Sonoran (Colorado) Deert; Chocolate Mountains, Gasline Road south of junction with road to Observation Point Slats, c. 3.9 miles south of the Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range (Iris Pass 7.5'Q) 673 Comment
  UCR279361  Fagonia pachyacantha A. C. Sanders, Jim Malusa 2017-3-24 42983 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in canyon draining south toward Iris Wash, c. 3.5 km ESE of Iris Pass 701 Comment
  UCR60250  Festuca microstachys Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3012 Riverside Peninsular Range, Vail Lake area, dried bed of man-made pond and adjacent slopes at N base of rounded knob 1.25 mi WSW of dam 610 Comment
  UCR154823  Festuca myuros A. C. Sanders, Kelly Volansky 2005-3-17 29225 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  JOTR34337  Festuca octoflora Andre, Jim 2012-4-11 20680 Riverside Joshua Tree National Park. N. end of Hexie Mountains, Hidden Tank Picnic Area, approx. 8 mi south of north entrance station, and 1.4 mi SW of paved road (Rte 11) 1076 Comment
  RSA586504  Filago californica D. L. Banks, Steve Boyd 1995-5-9 0335 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  RSA703372  Filago californica LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1440 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  UCR117676  Filago californica Scott D. White 1997-5-25 5228 Riverside San Jacinto Mtns, Bautista Canyon: Hixon Trail (USFS No. 2E43), between trailhead at Bautista Canyon Road and intermittent stream crossing at c. 3200 ft 976 Comment
  UCR166299  Filago depressa A. C. Sanders, P. J. MacKay, Tim Thomas, G. K. Helmkamp 1997-2-8 19675 Riverside Colorado Desert/San Jacinto Mtns, Palm Springs, Indian Avenue at Las Vegas Road, below mouth of Chino Canyon 188 Comment
  JEPS30096  Frankenia salina S. B. Parish 1897-5-31 4396 Riverside Elsinore 396 Comment
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Nov 24 2011
  SBBG82060  Frankenia salina O. F. Clarke 1985-5-13 Riverside San Jacinto River Valley, gun club ponds E of Davis Rd, a short distance N of Lakeview, E of the Bernasconi Hills 426 Comment
  UCR133662  Frankenia salina Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR277104  Fraxinus dipetala T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3771 Riverside San Jacinto Mountains, San Jacinto River Canyon, lower part of the South Fork Trail (FSR 2E17) close to the San Jacinto River 1195 Comment
  UCR178337  Fraxinus pennsylvanica subsp. velutina Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 651 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  CAS-BOT-BC422454  Fumaria officinalis Steve Morgan 1994-3-25 94 -2 Riverside Riverside. Comment
  RSA749903  Funastrum crispum Jordan Zylstra 2009-5-27 s.n. Riverside Pinyon Flat, north of Hwy 74, east of Pinyon Flat Campground 1220 Comment
  POM13030  Funastrum cynanchoides var. hartwegii P. A. Munz, D. D. Keck 1922-4-13 4953 Riverside Eagle Mountains. 244 Comment
  RSA667307  Funastrum cynanchoides var. hartwegii B. Pitzer 1989-4-16 1309 Riverside Chocolate Mountains Aerial Gunnery Range. 4 km W of Tabaseca Tank, in Impact Area. 620 Comment
  SD229054  Funastrum heterophyllum Dick Schwenkmeyer, Tony Harper - Collector 2013-5-8 896 Riverside Agua Bonita Spring, Palm Canyon, approx. 8 Mi. S. of Catherdral City 883 Comment
  RSA718571  Funastrum hirtellum Michael Honer, L. Hulse 2004-4-3 1890 Riverside Nameless canyon appx. 1 mi. W of Pushawalla Cyn., leading up to MWD aqueduct. 488 Comment
  UCR35176  Galium andrewsii L. B. Ziegler 1967-9-28 252 Riverside San Jacinto Mountains, Hemet (Garner) Valley 1463 Comment
  UCR131830  Galium angustifolium Jennie Phui 1998-5-30 039 Riverside San Bernardino Mtns./San Gorgonio Pass, Morongo Indian Reservation, eastern fork of Lion Canyon, 3 miles up Lion Canyon road north of I-10 Fwy 600 Comment
  RSA209589  Galium angustifolium subsp. angustifolium R. P. Sunderman 1968-4-26 s.n. Riverside UCR campus. 396 Comment
  RSA543749  Galium angustifolium subsp. gracillimum Steve D. Boyd, Tim S. Ross, Mike Hammit 1991-5-2 6053 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
  RSA0063962  Galium angustifolium subsp. jacinticum J. M. Andre 2012-6-15 30513 Riverside San Jacinto Mountains; along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest. 1308 Comment
  RSA535493  Galium porrigens Steve D. Boyd, Tim S. Ross, Orlando Mistretta 1992-2-2 6641 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
  RSA25486  Galium stellatum C. Leo Hitchcock 1940-3-20 5870 Riverside Cottonwood Springs. Comment
  RSA0106575  Galium stellatum subsp. eremicum Duncan S. Bell 2010-4-2 720 Riverside West side of the Arica Mountians; just below the ridgeline of the range, approx. 2.5 air miles northwest of Priest Well. 560 Comment
  UC708732  Galium stellatum var. eremicum H. K. Wagnon 1944-4-30 382 Riverside Tahquitz Canyon Palm Springs (s rim) Comment
  CAS-BOT-BC158075  Garrya veatchii S. B. Parish 1918-4-3 11697 Riverside Oak Lodge, mouth San Jacinto [Canon] Canyon 914 Comment
  LA205385  Garrya veatchii D. Birindelli; 1969-3-9 56 a Riverside Mt. San Jacinto, S side 1219 Comment
  UC630468  Garrya veatchii H. E. and S. T. Parks 1938-2-17 24087 Riverside Palms to Pines Highway; San Jacinto Mountains 914 Comment
  RSA788879  Gayophytum diffusum subsp. parviflorum Gary D. Wallace 2003-7-8 4045 Riverside Hidden Lake. Comment
  CAS-BOT-BC303568  Geraea canescens J. Von Loh 1977-10-31 2602 Riverside Ford Dry Lake Comment
  POM305628  Geraea canescens Henry J. Ramsey, Henry J. Ramsey 1937-2-26 871 Riverside Indio. Comment
  POM358679  Geraea canescens M. B. Dunkle 1935-4-17 4553 Riverside W. of Wiley Well. Colorado Desert. Comment
  POM47485  Geraea canescens Mary F. Spencer 1920-3-11 1482 Riverside In desert sand, Mecca -60 Comment
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Nov 8 2011
  UCR103545  Geraea canescens George K. Helmkamp, E. A. Helmkamp 1998-1-17 2528 Riverside Coachella Valley, Bob Hope Drive, 0.9 mi south of Hwy I-10 43 Comment
  CLARK-A1045-59  Geranium carolinianum George K. Helmkamp 1929-4-27 Riverside Santa Ana Mountains Wildomar 7.5'Q Comment
  UCR177324  Geranium carolinianum Scott D. White, Michael Honer 2003-5-27 9415 Riverside Gavilan Hills / Temescal Canyon, hills and canyons c. 1 mile north of the I-15 Fwy and 1 mi east of Lake Street exit, south and/or west of unnamed peak '2349 549 Comment
  RSA715242  Geranium robertianum A. C. Sanders, T. B. Salvato 2006-5-4 32247 Riverside Riverside, UCR campus, weeds in botanical garden 351 Comment
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Jul 14 2008
  UCR169927  Gilia A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23968 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  RSA783431  Gilia abrotanifolia J. D. Olmsted 1962-5-2 438 Riverside By saddle just N of highest part of Box Spring Mountains. 777 Comment
  RSA601538  Gilia achilleifolia subsp. multicaulis L. Haines, L. Erickson 1937-4-9 s.n. Riverside Riverside-Hemet road near Winchester turnoff. Comment
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Mar 20 2011
  HSC85272  Gilia angelensis Steve Boyd 1986-4-22 1776 Riverside Gavilan Hills: Plateau remnant on ridge E of Estelle Mtn., S of Dawson Canyon Comment
  RSA678422  Gilia angelensis Michael Wall 2003-4-15 264 Riverside Lamb Canyon west of Beaumont, off Hwy. 79, 5.2 mi. south jct. with 10 Fwy up dirt road at turnout along west side of Hwy. 602 Comment
  UCR114630  Gilia capitata G. R. Ballmer, Kay Stockwell 1995-6-25 s.n. Riverside San Jacinto Mtns, Pacific Crest Trail, near Pyramid Peak [c. 3 km (airline) SSE of Palm View Pk.--A. C. Sanders] 2134 Comment
  UCR37498  Gilia capitata Steve Boyd 1981-5-15 s.n. Riverside Peninsular Range, Gavilan Hills, confluence of the major drainage off the west slope of Estelle Mountain with Temescal Wash 320 Comment
  RSA783529  Gilia latiflora J. D. Olmsted 1958-6-15 175 Riverside Idyllwild School of Music and Arts, south of Idyllwild. In dry grassland near Strawberry Creek. 1524 Comment
  JEPS69629  Gilia latifolia W. L. Jepson 1927-4-12 11643 Riverside n Mecca ((Mecca Hills), Painted Canyon); Colorado Desert, Painted Canyon, n of Mecca (Mecca Hills) 76 Comment
  UCR148443  Gilia latifolia John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.5 mile transect along Coachella Canal right-of-way, between siphons 25 and 26, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  RSA673551  Gilia ochroleuca Scott D. White, Tasha La Doux 2000-4-20 7698 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 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
  RSA0016276  Gilia ochroleuca subsp. exilis I. W. Clokey, E. G. Anderson 1935-4-16 6831 Riverside East of Hemet. 600 Comment
  SD233900  Gilia scopulorum A. C. Sanders, E. J. Lawlor 1992-4-4 12145 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring; alluvial slopes below and to the south, and canyon bottom above the spring. 244 Comment
  UCR62327  Gilia sinuata Ed LaRue 1990-4-13 s.n. Riverside Peninsular Range, 0.5 mi. NW of Aguanga, c. 1.5 mi (air) north of San Diego Co. line, north of Hwy 79 and west of Hwy 371 642 Comment
  JOTR35468  Gilia stellata Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 71 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats (stop5) 1493 Comment
  SEINET3004968  Gilia stellata G. Rink 2011-3-24 10392 Riverside Sandy wash north of Blythe, east of the McCoy Mtns 109 Comment
  RSA575838  Glinus lotoides Steve Boyd 1981-9-2 s.n. Riverside Gavilan Hills region, north base of the range, south of Lake Mathews in muddy pool in drainage on south side of Cajalco Road, 1 mile west of Archer Road. Comment
  SD186035  Glyceria declinata A. C. Sanders, S. Hawkins 1996-4-24 18088 Riverside Morongo India Reservation, vicinity of natural pond and bog at SE edge of Burro Flats. 1100 Comment
  UC39037  Glyceria elata H. M. Hall Jul 1901 2457 Riverside Tauquitz Valley; San Jacinto Mountains 2133 Comment
  RSA0043398  Gnaphalium californicum Margaret Murphy 1983-5-15 0028 -C Riverside North section of parcel 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  RSA583611  Gnaphalium microcephalum Steve Boyd, Darin Banks 1995-3-30 8406 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
  RSA276721  Gnaphalium palustre John F. Emmel 1978-9-3 617 Riverside San Jacinto Mts, Strawberry Creek, SW of Idyllwild. 1555 Comment
  UC896945  Gnaphalium palustre P. A. Munz 1922-9-6 6375 Riverside Hidden Lake San Jacinto Mts., Hidden Lake 2438 Comment
  UCR167825  Gnaphalium palustre T. B. Salvato, Melissa Clemons 2005-6-2 1399 Riverside Peninsular Range; Temescal Valley, Gavilan Hills, c. 0.5 mi SE of Steele Peak, 4 miles SW of Perris, and 6 miles NNE of Lake Elsinore, NW of Hwy 74 610 Comment
  RSA740784  Gnaphalium stramineum Scott D. White, Justin M. Wood 2008-7-8 12403 Riverside San Jacinto Mountains: Johnson Meadow. 1439 Comment
  SFV6322  Grayia spinosa T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 30 Riverside San Bernardino Mountains Whitewater Canyon Road, 3 miles north of Highway 60. 630 Comment
  UCD132635  Gutierrezia californica A. C. Sanders 2004-6-30 28384 B Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, 1 mile east of Murrieta Road and 1 mile north of Bundy Canyon Road, ca. 5 miles due soutn of Sun City. 470 Comment
  SEINET11841383  Gutierrezia californica O. F. Clarke 1970-1 s.n. Riverside Botanic Gardens of the University of California, Riverside Comment
  UCR77700  Harpagonella palmeri Steve Boyd, Orlando Mistretta 1991-5-22 6311 Riverside Agua Tibia Mountains, Vail Lake area, base of Agua Tibia Mountain, east of Dorland Mountain, west of Kolb Creek 793 Comment
  UCR90408  Harpagonella palmeri D. L. Banks, Steve Boyd 1995-5-9 0398 Riverside NW Palomar Mtns., Cleveland Natinal Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn. area, west of the Dripping Springs Alcove Area, west of Woodchuck Campground 790 Comment
  RSA0066605  Harpagonella palmeri Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-19 3036 Riverside Vail Lake area, 0.5 mi WNW of dam, S flank Oak Mountain. 549 Comment
  RSA0066607  Harpagonella palmeri Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-16 3029 Riverside Vail lake Area, 0.5 mi WNW of dam, S flank Oak Mt. 487 Comment
  RSA0057845  Heleochloa schoenoides J. C. Roos 1969-11-22 Riverside Quail Lake at the south end of Jack Rabbit Trail. Prostrate in the mud at the border of a receding winter-flood lake. Growing in the lake bed. San Jacino Valley, east of Moreno. 426 Comment
  UCR281489  Helianthemum scoparium Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-5-31 517- 113 Riverside Temescal Valley, 0.25 miles SW of the intersection of De Palma Rd. and Horsethief Canyon Rd. 396 Comment
  CDA6205  Helianthus annuus G. D. Barbe 1973-10-19 1733 a Riverside Marshburn Farms. Southeast corner of Van Buren and Road 62, west of Thermal. 0 Comment
  UCR177315  Helianthus californicus Scott D. White, Michael Honer 2003-10-9 9816 Riverside San Jacinto Mountains, Pine Cove. Lily Creek just north of crossing at Hwy 243 1738 Comment
  POM4823  Helianthus gracilentus I. M. Johnston 1918-5-30 2023 Riverside Temecscal Canyon (near Lee Lake). 335 Comment
  UCR201512  Helianthus gracilentus Scott D. White, Justin M. Wood 2008-7-10 12458 Riverside San Jacinto Mountains, Fobes Spring 1500 Comment
  CSUSB992  Heliotropium curassavicum var. oculatum J. Operskalski 1976-4-28 Riverside Highway 60, East Pigeon Pass Road. Comment
  CAS-BOT-BC314980  Hemizonella minima Munz; Street; Williams 1919-5-30 2828 Riverside Dark Canyon, Pine Crest, San Bernardino Mts. Comment
  UCR213869  Hemizonia paniculata Scott D. White 2009-8-10 13348 Riverside Temecula Valley, city of Temecula, west bank of Murrieta Creek, c. 0.5 mi north and south of the Main Street Bridge 306 Comment
  CLARK-A1528-1922  Hemizonia paniculata subsp. paniculata John C. Roos 1965-6-30 Riverside Edgemont Comment
  CDA6985  Hemizonia pungens subsp. laevis D. R. Siedschlag 1969-11-6 Riverside C.H. Mick property, Lake Matthews Drive, Gavilan Hills area, Riverside. 0 Comment
  UCR20967  Hemizonia pungens subsp. laevis A. C. Sanders, Steve Boyd 1980-5-19 1477 Riverside San Jacinto Valley, San Jacinto River c. 1.5 miles west of Lakeview on the Ramona Expressway 427 Comment
  UCR63020  Hemizonia pungens subsp. laevis Don Mitchell 1990-6-20 s.n. Riverside 1.5 mi west of Lakeview, on south side of Ramona Expressway, c. 200 yards west of the San Jacinto River Comment
  UCR68038  Hemizonia pungens subsp. laevis D. E. Bramlet 1989-8-7 1938 Riverside SW of corner of Lake Elsinore, 700 m NW of Rome Hill, just off private drive (Lucerne St?), c. 400m east of Grand. 428 Comment
  UCR85582  Hemizonia pungens subsp. laevis Julie A. Greene 1993-5-12 1323 Riverside San Jacinto Valley, San Jacinto Wildlife Area, SE end of visitor center road, east of Davis Road 436 Comment
  UCR260890  Hemizonia pungens subsp. pungens A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41523 Riverside Moreno Valley, south side of Allesandro Blvd. west of Graham St., north of Brodiaea Ave. 488 Comment
  UCR20356  Hesperocallis undulata Don Emery 1980-3-28 s.n. Riverside Sonoran Desert, Riverside/Imperial Co. line on the E side of Salton Sea, vicinity of Bat Caves Buttes -30 Comment
  POM13121  Hesperolinon micranthum P. A. Munz, I. M. Johnston 1922-5-19 5336 Riverside 5 miles NE of Murrieta 518 Comment
  CLARK-A1045-1310  Heterocodon rariflorum George K. Helmkamp 1979-6-6 Riverside Wolf Valley Highway S16 south of Murrieta (road to Pala), mile 5; Pechanga 7.5'Q Comment
  UC29095  Heterocodon rariflorum H. M. Hall Jul 1901 Riverside Fuller's Mills Mountains; San Jacinto Mountains 1584 Comment
  JOTR31814  Hibiscus denudatus La Doux, Tasha, Bill Truesdell 2007-11-9 2521 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park; Canyon parallel to and east of Lost Palms Canyon (Stop 5) 651 Comment
  JOTR35331  Hibiscus denudatus Harding, Mitzi, Mark Wheeler 2012-2-28 97 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; southeastern most canyon in the range (Stop 2) 265 Comment
  OBI38924  Hibiscus denudatus A. C. Sanders, D. Charlton & B. Pitzer 1986-3-3 6130 Riverside North foot of the chuckwalla Mts, 2-3/4 mi Airline Se of Desert Center 366 Comment
  PASA1771  Hibiscus denudatus 1930-3-30 Riverside Near Shavers Well Comment
  CDA5015  Hibiscus trionum T. C. Fuller, F. J. Willmarth 1959-9-24 3083 Riverside Jurupa Avenue, West Riverside. 0 Comment
  RSA0099448  Hilaria rigida Duncan S. Bell, Evan Meyer 2014-10-29 7692 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon, to the north of Martinez Canyon, about 6 air miles southeast of the summit of Martinez Mountain. 394 Comment
  UCR263654  Hilaria rigida David Fraker, Aaron C. Sedgwick 2012-3-22 022 Riverside Sonoran (Colorado) Desert, Palen Mountains, Coxcomb Monument Road [becomes Palen Pass Rd.] c. 8 miles east of Hwy 177 376 Comment
  SEINET4585063  Hilaria rigida J. Davy 1902-4-2 15 Riverside Salton Comment
  UCR108365  Hippuris vulgaris L. C. Wheeler 1961-6-24 7905 Riverside San Jacinto Mountains, Fulmor Lake Comment
  SEINET6654966  Hoffmannseggia densiflora Sears 1977-10-12 S 583 Riverside 20 miles East of Desert Center, 10 miles East of Corn Springs exit.; 0 134 Comment
  UCR89998  Hoffmannseggia glauca A. C. Sanders 1992-4-5 12166 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, Ford Dry Lake, north of Interstate Hwy 10 at Ford Dry Lake Road, near site of Hopkins Well 110 Comment
  SBBG51122  Hoffmannseggia microphylla N. R. Zabriskie 1973-7-11 561 Riverside SE of Pack Rat Hill, Deep Cyn drainage 304 Comment
  UCD105855  Hoffmannseggia microphylla P. C. Everett; E. K. Balls 1958-4-29 22958 Riverside U.S. Highway 60/70, Indio to Blythe, 5 mi. e. from jct. with U.S. Hwy 99. 121 Comment
  UCR150022  Hoita orbicularis Scott D. White, Angelia Carey 2004-5-7 10347 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  UCSB37863  Holocarpha virgata Clarke, Oscar 1971-11-14 Riverside Mesa de Colorado on the Santa Rosa Plateau, near Santa Rosa Ranch; ~8 mi. West of Murietta; just N of San Diego County line 626 Comment
  UC1929623  Holodiscus microphyllus var. sericeus Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8638 Riverside SAN JACINTO MTS: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e. southwest terminus of Double View Dr. west to creek. Comment
  SEINET10789442  Hordeum Robert F. Thorne 1973-5-23 Thorne 43873 Riverside Santa Rosa Plateau. Mesa de Colorado. 610 Comment
  CAS-BOT-BC284939  Hordeum brachyantherum subsp. californicum Robert F. Thorne; Earl Lathrop 1969-5-12 37936 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California Comment
  RSA618000  Hordeum depressum R. E. Riefner 1998-6-19 98 -362 Riverside Elsinore Trough between Willard and Murrieta Creek Comment
  SBBG104100  Hordeum depressum A. C. Sanders 1993-4-5 13697 Riverside Hemet, along S side of Devonshire Ave between Old Warren and Warren Rds, SW of Tres Cerritos and N of Florida Ave (Hwy 74) Comment
  UCR225736  Hordeum depressum A. C. Sanders, T. B. Salvato 2011-3-30 38892 Riverside Peninsular Range; Elsinore Trough, city of Lake Elsinore, Baker St. c. 100 m NW of Hwy 74/Riverside Dr. 381 Comment
  UCR269907  Hordeum intercedens D. E. Bramlet, Amy Hills, R. E. Riefner Jr., Russell Huddleston 2005-3-2 3661 Riverside Perris-Agunaga Basin Region; San Jacinto Valley, west of Hemet, east of San Diego Canal, west of Warren Rd., south of Hwy 74, north of W Stetson Ave. 457 Comment
  UCR91913  Hordeum marinum subsp. gussoneanum A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18120 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  RSA747514  Hordeum murinum Justin M. Wood 2009-3-10 348 Riverside Twin Pines Rd, near entrance to Twin Pines Ranch. 695 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
  SDSU17483  Hordeum murinum subsp. leporinum Jerry Jenkins 2001-3-30 2001 -003 Riverside Santa Margarita Ecological Reserve. Edge of driveway. UTM zone 6, 482100E, 3699010N. UTM transfered to GIS. Comment
  UCD86471  Hordeum murinum subsp. leporinum Robert F. Thorne; Drs. Fosberg, Sachet, and Herbst 1983-4-23 55420 Riverside San Bernardino Mountains. Mouth of Whitewater Canyon, E of Whitewater Post Office at S end of ridge. In sandy wash E of bridge and on base of W-facing slope of ridge. 411 Comment
  CAS-BOT-BC148564  Horkelia clevelandii H. M. Hall 1901-7-1 2291 Riverside Strawberry Valley, San Jacinto Mts. 1615 Comment
  POM13645  Horkelia clevelandii Philip A. Munz 1922-7-6 6011 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  UCR201424  Horkelia clevelandii Scott D. White, Justin M. Wood 2008-6-17 12155 Riverside San Jacinto Mountains, south of Hwy 79 near Keen Camp Summit 1463 Comment
  POM230989  Horsfordia alata Marjorie D. Clary 1932-1-22 173 -a Riverside Canyons southwest of Coral Reef Ranch, Coachella, at base of Santa Rosa Mountains 152 Comment
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Apr 4 2011
  CAS-BOT-BC312581  Hulsea vestita subsp. callicarpha P. A. Munz 1922-7-7 6056 Riverside San Jacinto Mts. Zigzag on trail south of Hidden Lake 2346 Comment
  CAS-BOT-BC312593  Hulsea vestita subsp. callicarpha F. Grinnell Jr. 1908-7-1 s.n. Riverside Tahquitz Valley 2438 Comment
  CLARK-A1528-1959  Hymenoclea salsola John C. Roos 1947-2-15 3246 Riverside Eagle Mountains Comment
  RSA0009845  Hymenoclea salsola Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA496137  Hypochaeris glabra Steve Boyd 1989-3-19 3024 Riverside Vail Lake area,1 mile W of Lake 610 Comment
  CAS-BOT-BC219770  Hyptis emoryi L. R. Abrams 1926-3-26 11065 Riverside Palm Springs to Palm Canyon Comment
  NY43320  Hyptis emoryi C. R. Annable 1995-3-12 2275 Riverside Box Canyon Wash, Hwy 195 Comment
  SEINET2065617 Image available Hyptis emoryi W. H. Earle 1974-12-8 Riverside Rte. 60, between Desert Center & Haywood Rd. Comment
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Aug 25 2013
  UCR74381  Hyptis emoryi Theo Glenn 1991-5-2 91- 21 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  UCSB5691  Hyptis emoryi Krogen, Roger 1957-1 Riverside Canyon bottom 7 mi. E of Mecca on HWY 195 in Box Canyon Wash Comment
  SEINET12330780  Hyptis emoryi W. Knight, Knight, I.; Vale, J.; Wagnon, K. 1983-1 5516 Riverside Eagle Mts., on Power Line Rd, 383 Comment
  CAS-BOT-BC274060  Imperata brevifolia Louis Wheeler 1933-12-2 2318 Riverside U. S. 99 2 mi. NW Whitewater Station 365 Comment
  UCD126498  Ipomoea triloba T. C. Fuller 1962-10-2 9701 Riverside northwest of Neighbors Blvd. and Ave. 22, 1.4 miles north of Ripley. Comment
  POM359290  Isocoma acradenia E. C. Jaeger 1922-7-19 s.n Riverside Soboba Hot Spring. Comment
  CAS-BOT-BC311605  Isocoma acradenia var. eremophila Carl B. Wolf 1941-1-5 9817 Riverside Caleb, Colorado Desert 60 Comment
  OBI38936  Isocoma acradenia var. eremophila Scott Sundberg 1984-8-26 2686 Riverside Along hwy 86, 1.6 mi S of the jctn with hwy 195 to Mecca Comment
  RSA0009749  Isocoma acradenia var. eremophila Marcus E. Jones 1903-5-8 s.n. Riverside Indio. -7 Comment
  RSA234046  Isoetes howellii R. F. Thorne, E. W. Lathrop 1969-5-12 37942 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California. 625 Comment
  RSA500162  Isolepis cernua Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3638 Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Hwy 79. 488 Comment
  RSA395365  Iva axillaris subsp. robustior Steve Boyd 1986-4-22 1730 Riverside Temescal Canyon: Walker Canyon area, where Alberhill Creek (=Temescal Creek) flows between Alberhill Mtn. and Gavilan Hills. Comment
  CAS-BOT-BC426245  Jepsonia parryi A. R. K. 1940-12-7 4784 Riverside Cujalco canon, near Elinore Comment
  UCR182354  Juncus balticus Mitch Provance 2005-5-17 6598 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  UCR76173  Juncus bufonius A. C. Sanders 1993-4-1 13672 Riverside Perris-Aguanga Basin Region, western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St. and Devonshire Ave., 0.75 mile NE of the intersection of Florida Ave (Hwy 74) and Warren Rd, just south of Tres Cerritos 460 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
  POM1607  Juncus oxymeris D. L. Crawford, I. M. Johnston 1917-6-9 1232 Riverside Santa Ana River near Corona Comment
  RSA381089  Juncus rugulosus Robert F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61168 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: Cole Canyon 535 Comment
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Dec 11 2007
  RSA596180  Juncus rugulosus Darin L. Banks 1996-11-7 1206 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church., At the end of the main road in the Reservation, 150 m E of the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 579 Comment
  UCD141897  Juncus tiehmii Barbara Ertter; J. Strachan 1979-6-26 2971 a Riverside Kenworthy Forest Station on Hwy 74 in Garner Valley, San Jacinto Mountains. Comment
  UCR39205  Juncus xiphioides M. Roskey, F. Boyen 1985-5-28 524 Riverside Transverse Range, Big Morongo Preserve of The Nature Conservancy. south of Morongo Valley, main canyon - 2 mi downstream, where the old gate stood. 640 Comment
  RSA297031  Juniperus californica John F. Emmel 1974-3-3 473 Riverside Canyon 0.5 air mile E. & ENE of peak 4416 on 1956 USGS topographic quad., N. end Coxcomb Mts. 1219 Comment
  POM310160  Justicia californica Hulda Crooks 1946-3-2 251 Riverside Palm Springs area. 139 Comment
  RSA663896  Justicia californica C. R. Annable 1995-3-12 2273 Riverside Mecca Hills, Box Canyon Wash. Hwy 195. Comment
  SEINET2163468 Image available Justicia californica A. J. Breitung 1953-6-12 15529 Riverside Palm Springs Comment
  UCR143425  Justicia californica Nesta Dunn, A. M. Martin 1932-3-26 s.n. Riverside Sonoran (Colorado) Desert, Shavers Well 305 Comment
  RSA793613  Kallstroemia parviflora Duncan S. Bell, Aaron C. Sedgwick 2012-9-13 4200 Riverside Hayfields Lake; eastern section of dry lake, approximately 3.75 air miles southeast of Hayfields pumping plant. 420 Comment
  UCD123748  Keckiella antirrhinoides A. C. Sanders; T. B. Salvato 2001-5-3 24083 Riverside Perris-Aguanga Basin region: Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley. 494 Comment
  UCR15968  Keckiella antirrhinoides Rex Sanders 1973-5-13 s.n. Riverside Santa Ana Mtns., Cleveland National Forest; along Hwy 74, 10.18 mi from Orange County line, 1 meter from road, above Lake Elsinore Comment
  SEINET13768169  Keckiella antirrhinoides I. W. Clokey, E. G. Anderson 1936-4-16 6885 Riverside East of Hemet along San Jacinto River 600 Comment
  POM11319  Keckiella antirrhinoides subsp. microphylla Philip A. Munz 1922-7-1 5930 Riverside Santa Rosa Mountains, Old Nicholas Canyon. 1463 Comment
  RSA6016  Keckiella rothrockii subsp. jacintensis Carl B. Wolf 1932-8-5 3933 Riverside Summit of Devil's Slide Trail from Idyllwild to Tahquitz Valley. 2439 Comment
  HSC101523  Krameria bicolor J. P. Smith, J. O. Sawyer, R. J. Cole 2010-4-18 12777 Riverside Along Eagle Mountain Road. Comment
  JOTR31935  Krameria erecta La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2173 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky wash draining into west Pinkham Wash Comment
  SD84902  Krameria erecta Nancy Ryan Zabriskie, Walter Zabriskie 1972-4-9 514 Riverside Northwest of Highway 74; Deep Canyon drinage, Santa Rosa Mountains. 1219 Comment
  RSA408602  Krameria grayi Jack Rempel 1932-11-13 16121 Riverside 6 miles up Palm Wash Comment
  RSA700974  Krameria grayi Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11256 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
  RSA801712  Krameria grayi Keith E. Hoffmaster 1935-3-31 s.n. Riverside Palm Springs. Comment
  RSA0051604  Krameria parvifolia Lee Haines 1952-6-1 s.n. Riverside Palms to Pines Highway. 1158 Comment
  UC909116  Langloisia setosissima subsp. setosissima Frank W. Peirson 1927-4-12 7177 Riverside at camp near forks Painted Canyon; Colorado Desert, Painted Canyon Comment
  POM48453  Larrea tridentata Philip A. Munz, D. D. Keck 1925-3-7 9349 Riverside Painted Canyon, Mecca. Comment
  POM87266  Larrea tridentata Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  RSA652051  Larrea tridentata Marion P. Harthill 1973-2-17 1557 Riverside Snow Creek, Palm Springs 366 Comment
  RSA796459  Larrea tridentata Duncan S. Bell 2009-4-18 217 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  UCD107219  Larrea tridentata R. L. Smith 1948-3-28 s.n. Riverside Foot of Andreas Canyon. Comment
  UCR256338  Larrea tridentata Duncan S. Bell 2012-2-12 3115 Riverside Mojave Desert, Mecca Hills, c. 1.25 air miles north of Box Canyon Road, and c. 4 air miles southwest of Shavers Well 256 Comment
  POM122104  Lastarriaea coriacea Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA522747  Lastarriaea coriacea Steve Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3854 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
  CAS-BOT-BC338927  Lasthenia californica L. R. Abrams 1926-3-25 11047 Riverside Between Banning and Cabazon Comment
  SD137868  Lasthenia californica Darin L. Banks, Steve Boyd 1995-3-16 87 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; north slope of Agua Tibia Mountain; east of the Dripping Springs Alcove. 515 Comment
  POM8241  Lasthenia coronaria P. A. Munz, R. D. Harwood 1920-3-20 3738 Riverside Temescal Canyon. 366 Comment
  RSA771760  Lasthenia coronaria Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4637 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA336169  Lasthenia gracilis R. F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 52001 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  RSA585980  Lasthenia gracilis Adree M. Desrochers 1990-4-19 472 Riverside Near Lake Matthews, along Cajolco Road, on hills on the N side of road, 5.3 km E of intersection Hwy 15 and Cajalco Road Comment
  RSA691954  Lasthenia gracilis Scott D. White, Michael Honer 2003-4-9 8967 Riverside Hemet Area: Northeast corner of Devonshire Ave. and Warren Road, immediately southwest of 'Tres Cerritos.' Former chicken farm. 473 Comment
  RSA774510  Lasthenia gracilis Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4462 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR183008  Lasthenia gracilis Mitch Provance 2003-5-5 4418 B Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCR269899  Lasthenia gracilis D. E. Bramlet, Amy Hills, R. E. Riefner Jr., Russell Huddleston 2005-3-2 3653 Riverside Perris-Agunaga Basin Region; San Jacinto Valley, west of Hemet, east of San Diego Canal, west of Warren Rd., south of Hwy 74, north of W Stetson Ave. 457 Comment
  CLARK-A1045-90  Lathyrus laetiflorus George K. Helmkamp 1978-4-27 Riverside San Jacinto Mountains 3 miles up [east northeast] from Oak Spring; Lake Fulmor 7.5'Q Comment
  RSA511357  Lathyrus vestitus subsp. alefeldii B. Pitzer, E. Misquez 1988-3-20 665 Riverside Cleveland National Forest, San Juan Loop Trail, ca. 4 mi. W of El Cariso Village, just across the hwy from Ortega Parks Store. 548 Comment
  SD8722  Lathyrus vestitus var. alefeldii Daniel Cleveland 1882-4-1 Riverside Temecula Comment
  UCR116578  Lathyrus vestitus var. vestitus Scott D. White 1993-3-15 1196 Riverside Peninsular Range, Elsinore, Hwy 74, just west of NW corner of Lake Elsinore. Dickey Canyon. Comment
  JOTR30961  Layia glandulosa La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1936 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  JEPS40024  Layia platyglossa W. L. Jepson 1901-5-20 1320 Riverside Thomas Valley; Mt. San Jacinto Range 1341 Comment
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Feb 16 2013
  UCR214905  Layia platyglossa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37679 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, near Temescal Canyon Rd. undercrossing and N of Concordia Ranch Rd. 402 Comment
  UCR215625  Layia platyglossa Crystal Sheehan 2010-5-10 49 Riverside Peninsular Range; Gavilan Hills Region, Lake Mathews Reserve, c. 1/4 mi. south of 13225 Cajalco Road, south of Lake Mathews, c. 0.4 mi. SE of intersection of Cajalco Rd. and La Sierra Ave. 429 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
  RSA500976  Layia platyglossa subsp. platyglossa Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3153 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA739704  Layia ziegleri A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35614 Riverside May Valley c. 1.0 mi SW of Fleming Ranch, along dirt track 1555 Comment
  POM13010  Lemna gibba Philip A. Munz, I. M. Johnston 1922-5-19 5437 Riverside Hemet Valley, San Jacinto Mountains, 1 mile from Garner Ranch. 1372 Comment
  RSA376133  Lemna gibba Robert F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61279 Riverside Sandia Canyon, De Luz-Murrieta Road 260 Comment
  CAS-BOT-BC534384  Lemna gibba G. R. Kleeberger 1878-12-29 s.n. Riverside Temescal Comment
  RSA660539  Lepechinia cardiophylla Orlando Mistretta 1992-6-10 516 Riverside Peninsular Ranges: (Cleveland National Forest) Along old road coming off 3504 W of Sierra Peak. Head of road. Comment
  UC205107  Lepidium dictyotum D. Cleveland 1882-5-3 Riverside Temecula Plain Comment
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Nov 9 2009
  UCR121808  Lepidium dictyotum var. acutidens A. C. Sanders, Carolyn Washburn 2001-4-17 24060 Riverside San Jacinto Valley, southwest edge of Hemet, NW of intersection of Stowe Rd. and California Av., 2 miles NE of Winchester 457 Comment
  UCR85571  Lepidium dictyotum var. acutidens Julie A. Greene 1993-4-3 1109 Riverside San Jacinto Valley, San Jacinto Wildlife Area. Around pond #3 441 Comment
  UCR91886  Lepidium dictyotum var. acutidens A. C. Sanders, K. D. Jones, D. Malueg 1996-4-20 18056 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  CAS-BOT-BC89431  Lepidium fremontii C. L. Hitchcock 1940-4-1 5922 Riverside Cottonwood Springs wash. Comment
  SDSU18644  Lepidium fremontii var. fremontii Michael G. Simpson, Kristen Hasenstab 2008-4-1 2942 Riverside Joshua Tree National Park, east side of Mastodon Peak, ca. 0.65 mile east-southeast of Cottonwood Spring. 1027 Comment
  RSA0107849  Lepidium lasiocarpum Duncan S. Bell, Amanda Turek 2009-3-30 167 Riverside Southeast section of the Arica Mountains; approximately 0.75 air mile west southwest of Priest Well. 332 Comment
  UCR20694  Lepidium lasiocarpum A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1300 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  UCR41832  Lepidium lasiocarpum A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6031 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  RSA799251  Lepidium lasiocarpum var. lasiocarpum Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 753 Riverside North side of the Mecca hills, side canyon between the head of Box Canyon and Shavers Well, roughly 7.4 miles from Interstate 10 on Box Canyon Road 305 Comment
  UCR80815  Lepidium virginicum var. pubescens Scott D. White 1993-5-29 1482 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1372 Comment
  SD254575  Lepidium virginicum var. robinsonii D. E. Bramlet 1998-6-4 2632 Riverside North Domenigoni Hills, 3.8 miles ESE (97a^z) of Winchester (Winchester 7.5'Q) 608 Comment
  RSA3329  Lepidospartum squamatum C. B. Wolf 1931-10-14 2452 Riverside Whitewater Wash, 1/2 mile above the bridge on the Banning to Indio Road 366 Comment
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Sep 23 2011
  UCR24008  Leptochloa filiformis John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, Blythe 76 Comment
  UCR211699  Leptochloa uninervia Fred M. Roberts, Michelle Balk 2006-8-24 6405 Riverside Upper San Jacinto Valley, Hemet, south side of Esplanade Rd. near intersection with Alabaster Rd., 0.3 km E of junction with Warren Rd. 452 Comment
  CLARK-A1528-726  Leptodactylon californicum Fred B. Essig 1964-4-25 28 Riverside Horsethief Canyon Comment
  UCR127105  Leptodactylon californicum Mitch Provance 1998-6-1 570 Riverside Jurupa Mountains, SW Pyrite Canyon, c. 0.4 miles SSE of peak 1768 442 Comment
  CAS-BOT-BC227050  Leptosiphon floribundus subsp. glaber John Thomas Howell 1931-5-30 6598 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  POM193461  Leptosiphon lemmonii F. W. Peirson 1929-5-4 8335 Riverside Summit of St John's grade 793 Comment
  RSA526130  Leptosiphon parviflorus Steve Boyd, T. S. Ross 1990-5-11 4643 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
  SD152945  Leptosyne californica Steve Boyd, Tim Ross and Orlando Mistretta 1992-2-26 6701 Riverside Santa Ana Mountains; San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  UCR220005  Lessingia filaginifolia A. C. Sanders 2010-11-18 38690 Riverside Peninsular Range; western Gavilan Hills, eastern edge of Corona, north end of 'radio tower' ridge, 1.85 mi. NNE (25 deg. ) of El Cerrito, 1 mi. SSE (143 deg. ) of Home Gardens, just east of large rock quarry 488 Comment
  CAS-BOT-BC339361  Lessingia glandulifera var. glandulifera D. E. Breedlove 1961-8-5 951 Riverside Along State Highway 74, 5 miles east of Keen Camp, Hemet Valley, San Jacinto Mountains 1341 Comment
  JEPS20573  Lessingia glandulifera var. glandulifera John Thomas Howell 1927-8-2 2909 Riverside at Idyllwild (Strawberry Valley, Mt. San Jacinto); Mt. San Jacinto, Strawberry Valley Comment
  RSA198976  Lilaea scilloides Robert F. Thorne, Philip A. Munz, E. W. Lathrop 1968-5-8 377595 Riverside Santa Rosa Plateau, Rancho California 610 Comment
  SEINET10501653  Lilaea scilloides Robert F. Thorne 1974-5-23 Thorne 44658 Riverside Santa rosa plateau, rancho california: near junction of tenaja road and road to Ranch headquarters in cold, clear water of small stream, with ranunculus Aquatilis, marsilea mucronata, eleocharis montevidensis parishii, potamogeton Foliosus, callitriche heterophylla bolanderi, etc. 610 Comment
  SEINET10839632  Lilium parryi John G. Lemmon 1879-1 Riverside Comment
  UCR25549  Linanthus androsaceus John C. Roos 1941-4-19 167 Riverside Peninsular Range, Loma Linda Hills/Box Springs Mtns.; plateau in Reche Canyon 671 Comment
  RSA468572  Linanthus androsaceus subsp. luteolus M. M. Thompson 1947-6-9 C- 2063 Riverside Los Alamos Canyon, Elsinore 762 Comment
  UCR79274  Linanthus androsaceus subsp. luteolus Steve Boyd, T. S. Ross 1992-5-5 7241 Riverside Southern Santa Ana Mtns., San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail 793 Comment
  UCR35063  Linanthus ciliatus L. B. Ziegler 1967-7-13 188 Riverside San Jacinto Mtns, Hemet (Garner) Valley. Near Herkey Creek Canyon. 1585 Comment
  RSA747561  Linanthus dianthiflorus Michael Honer 2003-4-11 1818 Riverside Gavilan Hills, W slope: about 1 mile N of I-15 freeway, 1 mile E of Lake St. exit. On and around peak 2349. 640 Comment
  UC879931  Linanthus dianthiflorus P. A. Munz and I. M. Johnston 1922-5-20 5443 Riverside Hemet Valley San Jacinto Mts. 1386 Comment
  POM364581  Linanthus dianthiflorus subsp. dianthiflorus Albert J. Perkins 1895-05 s.n. Riverside Near Riverside Comment
  UCR228171  Linanthus jonesii Dave Silverman, Onkar Singh 2010-3-25 7842 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa, 3.2 km E of Black Creek Rd, 3.8 km W of McCoy Wash, and 7.8 km N of I-10 139 Comment
  UC354453  Linanthus liniflorus Edmund C. Jaeger 1925-5-1 Riverside Aguanga 883 Comment
  UCR68854  Linanthus nuttallii subsp. floribundus Steve Boyd, T. S. Ross 1990-5-11 4637 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
  RSA632878  Lithophragma affine subsp. affine R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38141 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  POM301609  Lobelia cardinalis subsp. graminea J. C. Roos 1937-8-23 2402 Riverside Snow Creek, north base of San Jacinto Mountains 762 Comment
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May 21 2011
  UC146428  Lobelia dunnii var. serrata Miss Kate Conger before Oct. 1909 Riverside Winchester Comment
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Mar 20 2011
  UCR21947  Loeflingia squarrosa Steve Boyd 1980-4-13 120 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  POM75005  Loeseliastrum schottii Marcus E. Jones 1906-4-27 9983 Riverside Palm Springs. Comment
  SEINET10727477  Logfia arizonica David B. Dunn, Shogo; Schroeder; Bruskin; FOLSOM 1948-3-13 Dunn 3706 Riverside Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  RSA234069  Lolium temulentum R. F. Thorne, E. Lathrop 1969-5-19 37982 Riverside Santa Rosa Plateau: Rancho Caifornia, Mesa de Colorado 625 Comment
  POM14426  Lolium temulentum var. arvense P. A. Munz, I. M. Johnston 1922-5-19 5382 Riverside 8 miles NE of Murietta. 412 Comment
  UC1537174  Lomatium dasycarpum subsp. dasycarpum Gordon H. True Jr. 1935-4-9 227 Riverside Gavilan Hills 609 Comment
  UC1608297  Lomatium dasycarpum subsp. dasycarpum Steve Boyd, Tim Ross, Orlando Mistretta 1992-3-31 6740 Riverside Morgan Trail from Round Potrero w to jtn with Tenaja Tr.; Santa Ana Mts., San Mateo Cyn Wilderness Area, N-fork Bear C 670 Comment
  UCR138895  Lomatium dasycarpum subsp. dasycarpum D. L. Banks 1997-4-5 1659 Riverside Agua Tibia Mtns., NW Palomar Mtns: Agua Tibia Wilderness Area. south of Dorland Mountain, just east of the Wilderness Area boundary with the Pechanga Indian Reservation, along a tributary of the N fork of Pechanga Creek 762 Comment
  UCR104928  Lomatium lucidum A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20638 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  UC566794  Lomatium utriculatum Frank W. Peirson Apr 29 1922-May 18 1922 2932 Riverside roadside s. lake Elsinore Comment
  UCR133433  Lonicera interrupta Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 448 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  CAS-BOT-BC234805  Lonicera subspicata Victor Duran 1933-7-2 3496 Riverside Vandeventer Flat, Santa Rosa Mts. 1524 Comment
  UCR201460  Lonicera subspicata Scott D. White, Justin M. Wood 2008-7-10 12448 Riverside San Jacinto Mountains, Fobes Spring 1500 Comment
  UCR54454  Lonicera subspicata A. C. Sanders, E. J. Lawlor 1988-10-22 8733 Riverside Peninsular Range; Santa Rosa Mountains, Pinyon Flats area, c. 0.5 mi west of the Dolomite Mine 1200 Comment
  UCR94935  Lonicera subspicata Scott D. White 1996-8-15 4459 Riverside San Jacinto Mtns., Idyllwild Area: Unnamed drainage (tributary to Toll Rd. Cyn.) at crossing w/ USFS Rd. directly west of Isomata. 1555 Comment
  CAS-BOT-BC234886  Lonicera subspicata var. denudata H. M. Hall 1901-7-1 2529 Riverside San Jacinto Mountains. In the vicinity of Strawberry Valley 1615 Comment
  CAS-BOT-BC234894  Lonicera subspicata var. denudata Elizabeth McClintock 1965-6-25 s.n. Riverside Road to Santa Rosa Mountain, a short distance from Pines to Palms Highway Comment
  POM128323  Lonicera subspicata var. denudata H. M. Hall 1897-08 s.n. Riverside San Jacinto Mountains. Comment
  UC534840  Lonicera subspicata var. denudata Victor Duran 1933-7-2 3496 Riverside Vandeventer Flat Santa Rosa Mts. 1524 Comment
  UCR201415  Lotus corniculatus Justin M. Wood, Brandy N. Ulrich 2008-7-14 17 Riverside San Jacinto Mountains, Garner Valley, near intersection of Fobes Ranch Road and Hwy 74 1360 Comment
  RSA305622  Lotus crassifolius C. W. Tilforth, Walter Wisura 1979-8-8 1899 Riverside 9 mi. south of poppet flat turn-off along highway 243 south of banning, riverside county, ca. 1646 Comment
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Jun 26 2013
  UCR171728  Lotus hamatus John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, Temecula, Southern California Edison right of way between residential areas, N-S corridor between S General Kearny Road and La Serena Way; east of Veterans Park 366 Comment
  JEPS55489  Lotus heermannii W. L. Jepson 1903-8-7 2288 Riverside Strawberry Valley San Jacinto Mt. 1676 Comment
  POM2646  Lotus heermannii P. A. Munz 1918-4-7 2124 Riverside Temescal Canyon Comment
  RSA450197  Lotus heermannii J. C. Roos 1952-6-13 5768 Riverside Pigeon Pass. 427 Comment
  RSA627503  Lotus heermannii Scott D. White 1998-7-31 6943 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park; San Jacinto Mts. 1707 Comment
  JOTR30650  Lotus heermannii var. heermannii La Doux, Tasha, Erin Babich 2008-4-21 1810 Riverside Joshua Tree National Park. Stop 6- Little San Bernardino Mountains, above Upper East Deception Canyon, open rocky ridge 1406 Comment
  UCR141333  Lotus heermannii var. heermannii R. F. Thorne, J. -P. Simon, C. W. Tilforth 1969-6-24 38113 Riverside San Jacinto Mtns., San Bernardino National Forest, above James Reserve in Hall Canyon 1677 Comment
  RSA704854  Lotus oblongifolius J. R. Bruff 1934-6-19 553 Riverside Idyllwild Comment
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Jul 29 2010
  JEPS55816  Lotus rigidus Marjorie Clary 1931-4-4 49 Riverside Devils Canyon Comment
  JOTR32440  Lotus rigidus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2307 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  UCR158268  Lotus salsuginosus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-4-14 29494 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UCR157958  Lotus salsuginosus var. brevivexillus T. B. Salvato, A. C. Sanders 2005-5-17 908 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 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
  UC1929589  Lotus scoparius var. brevialatus Steve Boyd 2007-4-20 11725 Riverside Peninsular Ranges; Perris-Aguanga Basin region; Southeastern end of the Gavilan Hills, north of Warm Springs Valley at upper end of ''Walsh Canyon,'' ca. o.5 miles from junction with Lindel (aka Stovepipe) Road, on southwest facing slope just above old Melia azedarach and across from driveway leading t 549 Comment
  UCR20970  Lotus scoparius var. brevialatus A. C. Sanders 1980-5-2 1427 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR21838  Lotus scoparius var. brevialatus 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
  UCR91392  Lotus scoparius var. brevialatus Scott D. White 1995-4-5 2709 Riverside Moreno Valley, Base of slope in 'Badlands', off [Moreno-Redlands] Blvd 640 Comment
  RSA314661  Lotus strigosus R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55480 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  RSA702212  Lotus strigosus Scott D. White, Michael Honer 2004-3-11 9901 Riverside Corona area. Approximately 1/2 air mile E of I-15 and 1 air mile N of El Cerrito Rd. 290 Comment
  RSA777532  Lotus strigosus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 909 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  SEINET7063432  Lotus strigosus A. G. Vestal 1947-3-30 s.n. Riverside About 3.8 miles east of Sage on East Benton Road. Tucalota Valley. UTM Zone 11, 502344mE, 3715130mN. (WGS84/NAD83). 573 Comment
  UCR120648  Lotus strigosus D. E. Bramlet, P. Jacks, S. Goode 1989-4-4 1793 A Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  RSA406328  Lotus strigosus var. strigosus F. A. Thackery 1927-3-30 292 Riverside Banning. Comment
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Mar 13 2011
  RSA779021  Lotus strigosus var. strigosus Duncan S. Bell 2010-4-1 653 Riverside Arica Mountains: east side of the mountain range, west side of Rice Valley, near the lowest eastern drainage point for the Arica mountains ; approximately 4.3 air miles southeast of the ghost town of Rice. 209 Comment
  RSA708492  Lotus strigosus var. tomentellus Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10888 Riverside Eastern Coachella Valley. Bajada beneath Mecca Hills , just east of Coachella Canal. 24 Comment
  RSA719267  Lotus strigosus var. tomentellus Michael Honer, L. Hulse 2004-4-3 1900 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. Peninsular Ranges, San Ysidro Mountains: W side of Otay Mtn; 1.5 km SSE of Savage Dam (Otay Lake); N of County Prison; near tributary to Otay River, N of ONeal Canyon. 610 Comment
  POM265128  Lotus tomentellus I. L. Wiggins 1937-3-9 8766 Riverside Sand dunes 20 miles north of Indio. Comment
  SEINET3557310  Lotus tomentellus Philip A. Munz 1940-3-23 15722 Riverside North end of Pinto Basin, Mohave Desert 610 Comment
  RSA736657  Ludwigia peploides Justin M. Wood 2008-7-16 29 Riverside Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan property, Alberhill area. Comment
  RSA633880  Ludwigia peploides subsp. peploides Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38144 Riverside San Jacinto Mountains: San Bernardino National Forest. Lake Fulmor. 1616 Comment
  RSA407025  Lupinus andersonii Christopher Davidson 1978-6-15 7388 Riverside Santa Rosa Mountains. Santa Rosa Peak. Trail to the top. 2409 Comment
  RSA554018  Lupinus arizonicus A. C. Sanders 1992-4-4 12124 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  UCR277633  Lupinus arizonicus A. C. Sanders, Jim Malusa 2017-1-14 42660 Riverside Sonoran (Colorado) Desert, Salt Creek wash, where it passes bend in old Kaiser RR tracks, c. 6 miles east of Dos Palmas 119 Comment
  SEINET10969897  Lupinus arizonicus A. K. Evans 1976-4-13 Evans 5157 Riverside Desert canyons of santa rosa mountains Comment
  RSA763417  Lupinus bicolor Scott D. White, Justin M. Wood 2009-5-21 12880 Riverside San Jacinto Mountains: Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  UCR132906  Lupinus bicolor John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  UCR155315  Lupinus bicolor A. C. Sanders, Mike Misenhelter 2005-3-23 29252 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR241943  Lupinus bicolor A. C. Sanders, Timothy W. Chumley 2013-4-2 40742 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., near I-15 Fwy, SE of Corona (Lee) Lake 377 Comment
  RSA593978  Lupinus bicolor subsp. microphyllus D. L. Banks, Elizabeth Hedge Banks 1996-5-2 0964 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, approximately 20 m N of the gate to the University of California-Emerson Oaks Reserve, at the junction with the road to the local golf course. 426 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
  RSA249470  Lupinus concinnus subsp. optatus John F. Emmel 1973-4-7 430 Riverside Carrizo Creek wash just below Dos Palmas Spring, NE of Pinyon Crest, E. end San Jacinto Mts. 1037 Comment
  RSA407146  Lupinus concinnus subsp. optatus Gale Sphon 1955-5-21 s.n. Riverside One mile north of Lake Fulmore Comment
  SEINET10485081  Lupinus concinnus subsp. optatus L. Ziegler 1967-6-1 Ziegler s.n. Riverside Floor of hemet valley, kenworthy area, san jacinto mts. 1402 Comment
  HSC85266  Lupinus densiflorus var. austrocollium Steve Boyd 1986-4-22 1763 Riverside W side of Indian Wash, S of I-15 Comment
  POM12634  Lupinus densiflorus var. lacteus Philip A. Munz 1922-4-28 5030 Riverside 5 miles north of Glen Ivy Comment
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Apr 3 2011
  LA205079  Lupinus excubitus Elizabeth McClintock; 1938-5-18 sn Riverside San Jacinto Mountains Comment
  RSA413603  Lupinus excubitus var. austromontanus Douglas Bothwell 1934-5-14 s.n. Riverside San Jacinto Mts, Idyllwild. 1610 Comment
  POM12626  Lupinus excubitus var. hallii P. A. Munz, I. M. Johnston 1922-5-19 5407 Riverside Above Oak Cliff, San Jacinto Canyon. San Jacinto Mts. Comment
  RSA503877  Lupinus excubitus var. hallii Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  OBI30168  Lupinus hirsutissimus Iversen 1974-4-27 s.n. Riverside El Cariso Crk Comment
  SDSU13340  Lupinus hirsutissimus C. Matt Guilliams 2000-4-29 9 Riverside Santa Margarita Ecological Reserve, 'Insect Trail'. 1.5 miles NE of Gavalin Mtn. 305 Comment
  RSA413773  Lupinus longifolius Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  RSA171356  Lupinus microcarpus var. densiflorus J. D. Olmsted 1962-5-3 3525 Riverside Along road from Santa Rosa Indian Reservation to old village, etc. At first canyon crossing to SW side. 1555 Comment
  RSA087054  Lupinus microcarpus var. densiflorus F. W. Peirson 1929-5-4 8340 Riverside 2 miles north of Aguanga, South of Hemet. 549 Comment
  POM12735  Lupinus pallidus Philip A. Munz, D. D. Keck 1922-4-13 4957 Riverside Eagle Mountains. 244 Comment
  RSA586094  Lupinus sparsiflorus D. L. Banks, S. D. Boyd 1995-4-5 0135 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, E of the Dripping Springs Trail, in the N flowing drainage that empties into Arroyo Seco. 610 Comment
  RSA653542  Lupinus sparsiflorus Scott D. White 1999-5-24 7383 (3 repl. total) Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 Comment
  SDSU12937  Lupinus sparsiflorus Jutta Buschbom 1991-6-20 36 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  UC865110  Lupinus sparsiflorus Carl B. Wolf 1932-5-25 3669 Riverside Snow Creek Canyon Snow Creek Canyon (No. base of San Jacinto Mts.; 1/2 mi. below fish hatchery); San Jacinto Mts 548 Comment
  UCR101790  Lupinus sparsiflorus George K. Helmkamp, E. A. Helmkamp 1997-3-5 1324 Riverside 2.8 mi SE of Gilman Hot Springs 518 Comment
  UCR241213  Lupinus sparsiflorus Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 50 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Canyon near woodland stand H-02 945 Comment
  RSA414816  Lupinus sparsiflorus subsp. sparsiflorus E. C. Jaeger 1921-3-21 s.n. Riverside Cottonwood Springs Comment
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Oct 9 2010
  RSA617297  Lupinus sparsiflorus subsp. sparsiflorus R. S. Woglum 1937-04 300 Riverside Mojave Desert: Palm Springs. Comment
  SEINET2062675 Image available Lupinus succulentus Ed LaRue 1989-4-21 Riverside Moreno Valley, University of California Riverside agricultural experimental farms, ca 1/2 mi S. of Alessandro Blvd, at NE corner of Cactus Ave. & Nason St. Comment
  JEPS83239  Lupinus truncatus W. L. Jepson 1935-4-21 17156 Riverside Aguanga; near branch rd. to Pines 603 Comment
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Dec 14 2011
  RSA772011  Lupinus truncatus Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4962 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 823 Comment
  SD185226  Lupinus truncatus T. B. Salvato, Kent Beaman 2005-5-16 811 Riverside San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Highway 74. 548 Comment
  UCR158729  Lupinus truncatus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30015 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  CAS-BOT-BC231427  Lycium andersonii C. L. Hitchcock 1966-3-16 24189 Riverside About 5 miles n.e. of Aguanga Comment
  OBI38809  Lycium andersonii A. C. Sanders, Pitzer, Charlton, and Kniffen 1986-3-3 6094 Riverside Corn Spring, Chuckwalla Mts 488 Comment
  UCR100785  Lycium andersonii George K. Helmkamp, E. A. Helmkamp 1998-2-18 2693 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  UCR89679  Lycium andersonii Bern Schwenn 1994-5-7 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument and vicinity: Eagle Mtns, along Black Eagle Mine Road 1.3 mi east of Monument boundary 650 Comment
  SD134366  Lycium brevipes var. brevipes Craig Reiser 1992-3-19 Riverside South side of UC Riverside campus not far from freeway Comment
  SD260129  Lycium cooperi J. Andre 2012-4-11 20792 Riverside Joshua Tree National Park; NW Eagle Mtns, along dirt road to Black Eagle Mine, 0.7 mi. east of road to Cottonwood Spr (Utah Trail), 34 mi. south of Hwy 62 at 29 Palms. Interface of steep hills and large wash. 729 Comment
  UCR85278  Lycium cooperi Bern Schwenn 1994-4-29 s.n. Riverside Mojave Desert, Joshua Tree National Monument: Lost Horse Mtns, SE of Ryan Campground along Calif. Riding and Hiking Trail 1402 Comment
  RSA0055014  Lycium cooperi James R. Shevock 1971-5-8 1045 Riverside Near Skull Cap. Joshua Tree National Monument. 1371 Comment
  UCR37667  Lycium torreyi J. M. Stewart 1984-11-11 8449 Riverside Sonoran (Colorado) Desert, Biskra Palms Oasis, Indio Hills, Coachella Valley 91 Comment
  RSA13742  Lycopus americanus E. C. Jaeger 1921-08 1165 Riverside Riverside. Comment
  UCR111531  Machaeranthera canescens subsp. canescens A. C. Sanders, Steve Boyd, Mitch Provance, J. Ross 1998-10-25 22282 Riverside San Jacinto Mtns., Pine Meadow along Hwy 74 in Garner Valley (eastern), 1 mi. NW of Hwy 371 junction to Anza 1441 Comment
  POM232417B  Mahonia nevinii Fulmor 1932-9-8 s.n. Riverside On left side of road from Temecula to Oak Grove, San Diego Co., Calif. (about half a mile east of Dripping Springs). Comment
  POM46858  Maianthemum stellatum Mary F. Spencer 1924-5-5 2391 Riverside Tahquitz Valley, San Jacinto Mountains. 2591 Comment
  CAS-BOT-BC230891  Malacothamnus davidsonii John Thomas Howell 1952-10-24 28867 Riverside Pauba Ranch, about 8 miles east of Temecula Comment
  POM10403  Malacothamnus fasciculatus Charlotte M. Wilder 1904-6-11 35 Riverside Wilders Canyon; Jurupa Hills near Riverside. Comment
  UCR231744  Malacothamnus fasciculatus John F. Green 2008-4-23 08- 11 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  CAS-BOT-BC345425  Malacothrix clevelandii John Roos; Lucille Roos 1954-5-15 6119 Riverside Summit of Reche Canyon 731 Comment
  JOTR35039  Malacothrix glabrata La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3492 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road on south-facing bajada among sonoran desert riparian washes. Comment
  UC481086  Malacothrix glabrata Geo. B. Grant May 1 1906-May 10 1906 Riverside Palm Springs Colorado Desert Comment
  UCR103992  Malacothrix glabrata George K. Helmkamp 1998-4-3 3079 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek area north of Mt. San Jacinto; at edge of stream south of Snow Creek Rd at a point 1.4 mi. south of Calif. Hwy 111 396 Comment
  RSA543128  Malosma laurina Steve Boyd 1991-3-17 5470 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  RSA441209  Marah macrocarpa N. C. Cooper 1944-5-20 1259 Riverside Palms to Pines Highway [Hwy 74], San Jacinto Mountains. 1280 Comment
  SD215475  Marah macrocarpa Steve Boyd, Tim Ross, et al 1990-4-2 4011 Riverside Vail Lake area, lower slopes of Agua tibia Mountain, along Highway 79, East of USFWS Dripping Springs Guard Station. 487 Comment
  CAS-BOT-BC216176  Marina parryi Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center Comment
  POM128975  Marina parryi Childs 1920-12-1 s.n. Riverside Martinez Canyon, Santa Rosa Mts, Colorado Desert Comment
  UCR74372  Marina parryi Theo Glenn 1991-5-2 91- 26 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  RSA651643  Marrubium vulgare A. Mayor, T. Strid 1973-4-20 s.n. Riverside Railroad Cyn Rd. 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
  CAS-BOT-BC71090  Marsilea vestita W. G. Wright; C. G. Pringle 1881-1-1 s.n. Riverside Riverside Comment
  SDSU21703  Marsilea vestita subsp. vestita Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3994 Riverside Santa Rosa Plateau Ecological Reserve, near boardwalk overlook. Approximately 1.1 km east of parking area for vernal pool trail, parking lot ca. 4 miles north on road from Visitor's Center. 624 Comment
  SBBG88003  Matelea parvifolia A. C. Sanders 1986-3-2 6053 Riverside S side of the Chuckwalla Mtns, on the Bradshaw Rd, ca. 2 mi E of the gasline rd 640 Comment
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Aug 29 2010
  RSA650954  Matricaria matricarioides W. A. Reinke 1971-5-8 s.n. Riverside 7mi. N. of 2nd St. on [Highway] 71-74, Elsinore. Comment
  CLARK-A1528-507  Medicago lupulina var. cupaniana D. H. Eslinger 1970-5-27 Riverside Riverside 335 Comment
  RSA586924  Medicago polymorpha D. L. Banks, S. D. Boyd 1995-5-3 0259 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UCR165193  Medicago polymorpha S. J. Myers 2001-4-6 s.n. Riverside San Jacinto Mtns., Bautista Canyon 976 Comment
  RSA593991  Medicago polymorpha D. L. Banks, Elizabeth Hedge Banks 1996-5-2 0947 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage. 524 Comment
  UCR41372  Melica frutescens N. M. Fellows, A. C. Sanders 1985-5-7 186 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  RSA97127  Melica frutescens H. K. Buechner 1955-5-30 C- 86 Riverside 4 miles south of Palm Desert, north base of Santa Rosa Mountains Comment
  JOTR35131  Melica imperfecta La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3243 Riverside Joshua Tree National Park. West of Queen Mountain, southern end of Wonderland of Rocks; Wonderland Wash, north of Mill Street Mine parking area. Active wash corridor with sandy bottom and surrounded by granitic outcrops and pediments; with heavy foot traffic (Stop 1) 1297 Comment
  RSA403499  Melica imperfecta Robert Gustafson 1980-5-5 1577 Riverside Whitewater Canyon Road, 1.8 miles from the junction with Interstate 10. 610 Comment
  UCR109513  Melica imperfecta Heidi A. Haid 1968-1 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR4062  Melica imperfecta Carole Sims 1965-4-28 s.n. Riverside San Jacinto Mtns., 2 mi from Banning railroad crossing on road [Hwy 243] to Idyllwild. 732 Comment
  POM14434  Melica imperfecta var. flexuosa P. A. Munz, Johnston 1922-5-21 5500 Riverside Hemet Valley. 2 miles below Kenworthy, San Jacinto Mts 1402 Comment
  SDSU13592  Melilotus albus W. Miller, C. Mosse Riverside Comment
  UCSB3443  Melilotus albus Philbrick, Ralph 1954-10-24 Riverside Four miles south of Chino Institute 213 Comment
  CSUSB1119  Melilotus indicus Arthur P. Donaldson 1966-5-19 Riverside Collected from the Santa Ana River Bottom at it's entrance to Fairmount Park in the city of Riverside. 262 Comment
  UCR121348  Melilotus indicus A. C. Sanders, Mark Elvin, , Vipul Joshi 2002-4-26 25021 Riverside The Badlands, canyon above Eden Hot Springs 549 Comment
  JOTR29286  Menodora scoparia La Doux, Tasha 2003-9-4 1089 Riverside Joshua Tree National Park. Queen Mountain, above Key's Ranch, near old dam Comment
  UCR134601  Mentzelia desertorum Marisa Sripracha, Kyle Boyd 2004-2-14 023 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  RSA253718  Mentzelia involucrata Noel Holmgren, Patricia K. Holmgren, Ruth E. Kern 1973-3-21 6428 Riverside Big Maria Mountains, 12 air miles north of downtown Blythe. 290 Comment
  UC1922495  Mentzelia involucrata Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10892 Riverside Sonoran Desert: Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal. Comment
  UCR226727  Mentzelia involucrata Jim Andre 2011-2-9 15912 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  RSA440440  Mentzelia jonesii M. B. Dunkle 1937-3-25 4951 Riverside Southeast of Indio. Comment
  UCR82272  Mentzelia longiloba var. longiloba J. M. Stewart 1994-3-15 823 Riverside eastern Colorado Desert, Interstate 10 and Hwy 78; along freeway in Blythe. Comment
  RSA543979  Mentzelia micrantha Steve Boyd 1991-5-10 6211 Riverside Santa Ana Mountains, base of range, just N of mouth of Hagador Cyn at bottom of Skyline Drive. 427 Comment
  RSA741030  Mentzelia montana Justin M. Wood, Brandy N. Ulrich 2008-7-14 19 Riverside Garner Valley, near intersection of Fobes Ranch Rd and Hwy 74. 1348 Comment
  RSA395915  Mentzelia veatchiana Steve Boyd 1986-4-20 1722 Riverside Gavalin Hills-Gavalin Hills: Harford Springs Co. Park. Comment
  RSA689389  Mesembryanthemum nodiflorum Scott D. White 2003-6-9 9526 Riverside Northeast corner of Devonshire Ave. and Warren Rd., immediately south of Tres Cerritos. 473 Comment
  UC1929670  Mesembryanthemum nodiflorum Scott D. White 2003-6-9 9526 Riverside PERRIS BASIN: Northeast corner of Devonshire Ave. and Warren Rd., immediately south of Tres Cerritos. Comment
  RSA556440  Microseris douglasii subsp. douglasii Julie Greene 1993-4-17 1203 Riverside San Jacinto Wildlife Area. W of San Jacinto River, W of Davis Rd. 439 Comment
  RSA792923  Microseris douglasii subsp. douglasii A. C. Sanders, T. B. Salvato 2011-4-1 38936 Riverside Lake Elsinore area, near Alberhill, Baker St., SW side at dirt road crossing, c. 270 ft. SE of intersection with Pierce St. 385 Comment
  UCR21903B  Microseris douglasii subsp. platycarpha Steve Boyd 1980-5-5 204 B Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  UCR281248  Microseris douglasii subsp. platycarpha Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-28 317- 38 Riverside Temescal Valley, East side of Campbell Ranch Rd., +- 500 ft. north of Indian Truck Trail. 361 Comment
  RSA645675  Microseris heterocarpa Scott D. White 1999-5-2 7293 Riverside Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5 - 2 mi. W of I-215 freeway. 442 Comment
  UCR225581  Microseris heterocarpa A. C. Sanders, T. B. Salvato 2011-3-29 38870 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor 0.45 east of Goetz Rd. and 0.07 km east Wheat St. 450 Comment
  RSA340771  Microseris lindleyi H. J. Thompson 1953-5-25 1556 Riverside Vandeventer Flat on Hwy 74 (Palms to Pines Hwy, San Jacinto Mts Comment
  UCR107827  Microseris lindleyi D. L. Banks 1997-5-5 2006 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek. Along the S fork of Pechanga Creek 427 Comment
  UCR121185  Microseris lindleyi D. E. Bramlet 1989-4-7 1814 Riverside Perris-Aguanga Basin region, Lake Skinner County Park, south of Lake Skinner, 4700 ft. west of Old Warren Rd. and 1700 ft. south of the E-W access road 488 Comment
  UCR241205  Microseris lindleyi Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 270 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  RSA0018765  Mimetanthe pilosa Naomi S. Fraga 2006-7-11 1720 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  RSA0018767  Mimetanthe pilosa Scott D. White, Justin M. Wood 2008-7-8 12397 Riverside San Jacinto Mountains: Johnson Meadow. 1439 Comment
  POM83  Mimulus aurantiacus var. puniceus H. M. Hall 1902-4-21 2928 Riverside Vicinity of Riverside, Gavilan hills. 457 Comment
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Aug 19 2010
  RSA442707  Mimulus aurantiacus var. puniceus Robert Gustafson 1983-4-18 2500 Riverside Clinton Keith Road, about 3 miles from its junction with Hwy. 15, eastern slopes of the Santa Ana Mts. 457 Comment
  UCR91220  Mimulus aurantiacus var. puniceus Scott D. White 1996-3-31 3855 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  UC886099  Mimulus bigelovii var. bigelovii Carl B. Wolf 1932-4-27 3055 Riverside 5 mi e Desert Center (n base of mts.); Colorado Desert, Chuckwalla Mts. 152 Comment
  UC672455  Mimulus brevipes H. L. Mason 1926-4-30 3121 Riverside Temecula to Pala (Pala Grade); Temescal Canyon Comment
  UCR179207  Mimulus brevipes Mitch Provance, Tracy Tennant 1998-6-16 MOR- 383 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon just south of Millard Guard Station 1037 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
  UC943901  Mimulus clevelandii H. E. McMinn, M. Van Rensselaer 1945-6-7 1898 Riverside head Indian Canyon Truck Trail (crest of mts., boundary of Riverside and Orange counties); Santa Ana Mts. 1235 Comment
  CLARK-A1528-864  Mimulus fremontii Ellen Predmore 1971-5-3 Riverside San Jacinto Valley 457 Comment
  UCR35244  Mimulus fremontii L. B. Ziegler 1968-5-1 281 Riverside San Jacinto Mtns., at Chimney Flats on the old control road to Idyllwild 1463 Comment
  UCR20880  Mimulus fremontii var. fremontii A. C. Sanders 1978-7-3 615 Riverside San Jacinto Mountains, along old fire road between the James Reserve and the Black Mountain Road 1677 Comment
  JOTR32395  Mimulus guttatus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2498 Riverside Joshua Tree National Park. Queen Mountains; West side of Barker Dam; Small riparian zone in and along drainage from dam (Stop 5) 1300 Comment
  SEINET10929299  Mimulus guttatus David B. Dunn 1946-8-17 Dunn 2683 Riverside Stream edge. Near stream at camp in taquitz valley damp meadow area. San jacinto Mts. Comment
  LA38961  Mimulus palmeri Frank W. Peirson; 1922-4-30 2934 Riverside below summit of St. Johns Grade 761 Comment
  UC27078  Mimulus palmeri Geo. F. Reinhardt June 1897 Riverside San Jacinto Mountains Comment
  RSA0056579  Mimulus parishii Barry Prigge 1980-8-5 3817 Riverside San Bernardino Mountains, Whitewater Canyon: 0.5 miles N of trout farm. 701 Comment
  CLARK-A1045-316  Mimulus puniceus George K. Helmkamp 1978-6-1 #1 Riverside Santa Ana Mountains near Murietta; ; Wildomar 7.5'Q 426 Comment
  SEINET7097939  Minuartia douglasii A. G. Vestal 1937-5-9 s.n. Riverside Lat. 33 43' 11ao N, Long. -116 58' 15ao W. (NAD 27) South of Hemet at the foothills of Santa Rosa Hills. UTM Zone 11, 502695 mE, 3730874 mN. Comment
  UCR215614  Mirabilis laevis Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 08 Riverside Peninsular Range, Box Springs Mountains, eastern edge of Riverside; Two Trees Canyon Trail near the trailhead 409 Comment
  RSA464247  Mirabilis laevis var. crassifolia D. A. Young 1969-3-28 P- 392 Riverside 1/2 Mile NE of interstate 10 on Verbenia Ave. 100 yds S of Chaparral Rd on the SW side of Verbenia Ave. 335 Comment
  UC1463090  Mirabilis laevis var. crassifolia Arthur S. Barclay and Juan Arguelles 1965-3-16 1838 Riverside Along State Highway 76, 2 miles W of junction with U.S. Highway 395 Comment
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Jun 15 2013
  RSA314456  Mirabilis laevis var. retrorsa Robert F. Thorne, Dr. Fosberg, Sachet, Herbst 1983-4-23 55463 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  CAS-BOT-BC384084  Mirabilis laevis var. villosa Winfield 1975-4-27 2366 Riverside Snow Creek Rd abt 3 miles from Hiway 111 Comment
  CAS-BOT-BC384128  Mirabilis laevis var. villosa S. B. Parish; W. F. Parish 1881-4-1 659 Riverside Cabezon [Cabazon] Comment
  SBBG1884  Mirabilis laevis var. villosa H. and M. Dearing 1936-12-25 2819 Riverside Long Cyn, Colorado Desert Comment
  SD1508  Mirabilis laevis var. villosa Edmund C. Jaeger 1926-3-1 Riverside Canon Springs, near Dos Palmos. Comment
  RSA0104947  Mirabilis tenuiloba Duncan S. Bell, Evan Meyer 2014-10-29 7675 Riverside Santa Rosa Mountains; around the mouth of Martinez Canyon, about 3.5 air miles southwest of Valerie. 169 Comment
  UC444444  Mirabilis tenuiloba W. G. Wright 1880-1 Riverside Colorado Desert Comment
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Dec 17 2016
  JOTR36445  Mohavea confertiflora La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3415 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  RSA774304  Mohavea confertiflora Duncan S. Bell 2011-4-8 2197 Riverside Northwest section of the Granite Mountains; approximately 1 air mile southeast of junction of Highway 62 and Highway 177. 470 Comment
  SEINET6192025  Mohavea confertiflora C. Francis Shutts 1949-3-18 47 Riverside Box Canyon on old Mecca-Blythe Hwy. 183 Comment
  UCR102915  Mohavea confertiflora George K. Helmkamp, E. A. Helmkamp 1998-2-5 2659 Riverside Sonoran (Colorado) Desert, Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  UCR148451  Mohavea confertiflora S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 20 Comment
  UC1995304  Monardella C. Epling, Wm. Robison 1933-6-26 Riverside Key's View Little San Bernardino Mountains 1524 Comment
  CAS-BOT-BC215651  Monardella australis H. M. Hall 1901-7-1 2486 Riverside Forests of Tamarack Valley, San Jacinto Mts. 2804 Comment
  UC1995357  Monardella australis subsp. australis Elizabeth McClintock 1940-9-2 Riverside Round Valley San Jacinto Mts. Comment
  UCSB25307  Monardella australis subsp. australis Gliessman, Stephen 1968-7-11 Riverside Along Deer Springs Trail, 0.7 mile north of Deer Springs, San Jacinto Mountains 2682 Comment
  UCR59524  Monardella lanceolata Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3603 Riverside Butterfield Valley, Vail Lake area, Kolb Creek drainage, N extension of Woodchuck Road, north of Hwy 79 489 Comment
  LA96069  Monardella linoides subsp. linoides Elizabeth McClintock; 1941-5-31 40 Riverside 1.5 to 2 mi from turn off to Anza Mounument, on rd to Coyote Canyon Comment
  LA96081  Monardella nana Elizabeth McClintock; J. Fenley 1937-7-10 sn Riverside trail between Tahquitz Valley and Hidden Lake Comment
  LA96083  Monardella nana Elizabeth McClintock; 1941-7-15 114 Riverside San Jacinto Mountains, on slope S of Strawberry Creek, and W of Domengonio Flats Comment
  LA96105  Monardella nana Elizabeth McClintock; 1940-5-19 5 Riverside 0.25 mi off Pines to Palms Hwy on rd to Santa Rosa Mt Comment
  RSA651651  Monardella nana subsp. arida Elizabeth McClintock, M. McClintock, D. Weiner 1941-7-11 99 Riverside Black Mountain, 3/4 mile beyond the snow gate. Comment
  RSA750403  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 69 Riverside 3 miles E of Ribbonwood Camp, Pines to Palms Highway. Comment
  RSA750415  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 56 Riverside Road to Santa Rosa Mt. 0.3 miles from Pines to Palms Highway. Comment
  SEINET2442172  Monardella nana subsp. arida Unknownnown 1941-6-29 79 Riverside Road up Santa Rosa Mt. 41/2 miles beyond canyon where stream crosses road. Comment
  RSA750295  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-12 104 Riverside San Jacinto Mts. Deer Springs and Suicide Rock tail. One switchback below the forks, on and around a rocky knoll. Comment
  RSA750316  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-22 131 Riverside San Jacinto Mts. On the Idyllwild road, a shot distance below the Keen Camp turn off, in the canyon where the Pseudotsugas first occur. Comment
  UC1499838  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-22 131 Riverside a short distance below Keen Camp turn off (on the Idyllwild road); San Jacinto Mts. Comment
  UCR221473  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-15 117 Riverside Peninsular Range; San Jacinto Mtns., on the Idyllwild road, a short distance below the Keen Camp turn off, in canyon where the Pseudotsugas first occur 1479 Comment
  UCR23122  Monardella nana subsp. tenuiflora Jeanine Derby 1978-6-9 s.n. Riverside San Jacinto Mtns, SE of Lake Fulmor parking lot. Comment
  SEINET10961482  Monardella nana subsp. tenuiflora A. Graff 1993-6-24 Graff 46 Riverside San Bernadino National Forest, San Jacinto Mtns. 1.45 miles in on Black Mtn. Rd. (USNFS Rd. 4S01) from Hwy. 243, on both sides of the road, though most extensively on the right. Before intersection of 4S01 and 4S02. T4S,R2E,S23. Locally abundant in semi-shade, with Quercus kelloggi, Q. chrysolepis, Picea sp., Pinus coulteri, P. ponderosa, Arctostaphylos pringlei, Eriogonum confertiflorum, Lupinus sp., Lotus scoparius. Need USNFS permission to collect. Comment
  UCR125894  Monardella robisonii A. C. Sanders, Mark Elvin 2001-8-17 24593 Riverside Mojave Desert, Little San Bernardino Mtns, trail from Key's View to Inspiration Point, Joshua Tree National Park 1646 Comment
  RSA304548  Monolepis nuttalliana O. F. Clarke 1970-9-24 s.n. Riverside Santa Ana River bottom just east of the old Salt Lake River Bridge, Riverside. Comment
  UC75893  Monolopia lanceolata Miss M. A. King 1893-1 Riverside Menifee Comment
  CAS-BOT-BC349806  Monoptilon bellioides S. B. Parish 1896-4-1 s.n. Riverside Palm Springs, Colorado Desert Comment
  UC69590  Monoptilon bellioides Wright 1890-1 Riverside Colorado Desert Comment
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Nov 29 2010
  UCR114120  Monoptilon bellioides B. G. Pitzer, J. Ross 1998-3-8 3619 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  UCR147839  Monoptilon bellioides Steve Boyd, Et al. 2004-5-14 11285 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
  UCR214163  Monoptilon bellioides T. B. Salvato 2010-4-20 4059 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  RSA0105391  Monoptilon bellioides Henry J. Ramsey, Henry J. Ramsey 1940-4-14 2003 Riverside Colorado Desert, north of Blythe. Comment
  UCD86493  Muhlenbergia andina Peter Kamb 1948-10-31 1283 a Riverside Hall Canyon. San Jacinto Mts. 1645 Comment
  UCR82767  Muhlenbergia californica A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15784 Riverside San Jacinto Mtns, Azalea Creek above Twin Pines, Twin Pines Creek drainage 1192 Comment
  POM9221  Muhlenbergia microsperma I. M. Johnston 1920-5-8 2267 Riverside Jurupa Mountains, extreme west end. Comment
  JOTR32417  Muhlenbergia porteri Harding, Mitzi, T. Herskovits, D. Shade 2011-8-11 8 Riverside Joshua Tree National Park. Valley west of Pinto Mountains along Rte 11; Belle Campground; Gravelly flats with granitic boulder outcrops 1154 Comment
  RSA0104440  Muhlenbergia porteri Duncan S. Bell, Evan Meyer 2014-10-28 7668 A Riverside Orocopia Mountains; northwest section of range; approximately 1.8 air miles northwest of the summit of Orocopia Mountain. 936 Comment
  RSA403609  Muhlenbergia richardsonis Anstruther Davidson 1876-7-11 s.n. Riverside Top of Mount Jacinto Comment
  CLARK-A1528-4766  Muhlenbergia rigens John C. Roos 1952-8-27 5895 Riverside Reche Canyon 487 Comment
  UCR156471  Muhlenbergia rigens T. B. Salvato, A. C. Sanders 2005-5-17 893 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  RSA775343  Muilla maritima Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5017 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm)., between N34.00456, W116.67238 and N33.99629 and W116.66010 750 Comment
  UCR80794  Muilla maritima Scott D. White 1993-5-29 1446 Riverside San Bernardino Mtns, Banning Canyon, along the road to Raywood Flat, Yucaipa Ridge 1402 Comment
  UCR113548  Myoporum laetum Mitch Provance 1998-6-6 690 Riverside Jurupa Mountains, Jensen Quarry, Sunnyside area on W side of Sierra Blvd, just east of corner of 29th St. and Scenic Drive 262 Comment
  RSA289827  Myriophyllum spicatum Barry A. Prigge 1980-9-17 4091 Riverside Coachella Valley Stormwater Channel: 2 mi. W of Mecca, where Pierce Rd. crosses channel. -55 Comment
  SD181816  Myriopteris clevelandii Scott D. White, Teresa Salvato 2001-6-8 8590 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 334 Comment
  RSA124411  Nama demissa Percy C. Everett, E. K. Balls 1958-4-29 9830 Riverside Hwy 60/70, Indio to Blythe, 1 mile W of Cactus City. 549 Comment
  RSA517829  Nama demissa Steve Boyd, Orlando Mistretta 1986-3-13 1448 Riverside West side Palen Mts.: NE of Desert Center. Comment
  UCSB5296  Nama demissa Haller, John 1957-3-23 Riverside Southern boundary of Joshua Tree Nat'l. Mon.; 4 air miles S. of Cottonwood Springs; 1 mi. N of jct. with US 60 609 Comment
  SD73600  Nama demissa var. demissa Helen V. Witham 830 Riverside Highway 74, 24.3 miles east of Lake Hemet. 1299 Comment
  UC702046  Nama demissa var. demissa Harlan Lewis 1946-4-21 105 Riverside Whitewater Canyon Comment
  UC724376  Nama demissa var. demissa Aven and Ruth Nelson 1939-3-29 3322 Riverside between Mecca and Hidden Springs; between Mecca and Hidden Springs Comment
  POM230764  Nama demissa var. deserti I. W. Clokey 1935-4-17 6812 Riverside Cottonwood Springs. Comment
  RSA0040072  Nama hispida var. spathulata Jim Andre 2014-1-27 26661 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  RSA92555  Nassella cernua J. C. Roos 1952-5-7 5621 Riverside Edgemont 488 Comment
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May 21 2011
  UC1146058  Nassella lepida C. L. Hitchcock and C. V. Muhlick 1964-3-17 23075 Riverside open knoll 8 mi se Corona (along road to Elsinore) Comment
  UCR22128  Navarretia atractyloides Steve Boyd 1980-6-4 312 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA627853  Navarretia hamata A. C. Sanders 1994-5-30 14591 Riverside NNE of Beaumont at Highland Springs, hills N of the end of Bellflower Ave. at Dutton St. 950 Comment
  SEINET10461230  Nemacladus glanduliferus var. glanduliferus Munz 1952-5-2 MUNZ 16239 Riverside Dry Morongo Wash, northwest end of Coachella Valley 457 Comment
  UC1979625  Nemacladus ramosissimus D. L Banks, Steve Boyd 1995-5-17 0453 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. Comment
  SEINET13681951  Nemacladus tenuis var. aliformis Tina Ayers, Randy Scott 2017-3-19 1922 Riverside Chuckwalla Mountains, ca 8 miles west of Chuckwalla Valley Road on Dupont Road, roadside at edge of wilderness area 152 Comment
  POM3491  Nemophila menziesii H. M. Hall 1899-05 s.n. Riverside San Jacinto Mtns. 1601 Comment
  RSA421344  Nemophila menziesii N. C. Cooper 1945-5-5 2262 Riverside San Gorgonio Mountains above Banning. 915 Comment
  UCR164572  Nemophila menziesii S. J. Myers 2001-4-18 s.n. Riverside San Jacinto Mtns., Bautista Canyon near Tripp Flats Rd. 1183 Comment
  RSA0059611  Nemophila menziesii 1917-4-4 Riverside Palm Canyon 762 Comment
  UCR236902  Nemophila menziesii var. integrifolia Duncan S. Bell, Valentin Arvizu 2010-5-10 977 Riverside San Jacinto Mountains, San Bernardino National Forest, Garner Valley, c. 1.1 air mi southeast of junction of FS Road 6S13 and FS Road 6S04 1349 Comment
  UC2015579  Nicotiana clevelandii A. C. Sanders with G. Helmkamp, P. MacKay, et al 1995-3-19 16184 Riverside Coachella Valley: Willow Hole, 4 miles south of Desert Hot Springs. Comment
  UC566777  Nicotiana clevelandii Margaret Stason 1927-2-12 Riverside 1000 Palm Canyon; Colorado Desert Comment
  UC68730  Nicotiana clevelandii H. M. Hall 1905-4-16 5802 Riverside 10 mi w Coachella (Marshall Canyon); Colorado Desert, Marshall Canyon 91 Comment
  UC279712  Nicotiana obtusifolia unknown 1926-2-20 Riverside near Salton (Canyon Springs Wash); Canyon Springs Wash Comment
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Nov 5 2011
  RSA0060153  Nicotiana quadrivalvis Scott D. White, Angelia Carey 2004-7-2 10566 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UCR183019  Nicotiana quadrivalvis Mitch Provance 2003-5-5 4427 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  SEINET5641185 Image available Nolina parryi Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28524 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 1236 Comment
  CLARK-A1528-1497  Nolina parryi subsp. wolfii John C. Roos, Lucille Roos 1952-10-18 5904 Riverside Little San Bernardino Mountains 1219 Comment
  UCSB38721  Notholaena californica Cowan, Clark 1978-4-23 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon 570 Comment
  UCR164894  Oenothera californica S. J. Myers 2001-7-16 s.n. Riverside San Jacinto Mtns, Bautista Canyon, Bautista Road, near Tripp Flats Road 1159 Comment
  RSA115923  Oenothera californica subsp. californica Richard Snow 1957-4-1 318 Riverside Sandy field 11 miles west of Riversode on Hwy 60. Comment
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Mar 23 2014
  UC1922396  Oenothera deltoides Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1428 Riverside Colorado Desert; Northeastern Colorado Desert region; Along Palen Road near Hwy 177. 170 Comment
  POM14086  Oligomeris linifolia P. A. Munz, D. D. Keck 1922-4-14 4961 Riverside Indian Wells 107 Comment
  RSA6762779  Oligomeris linifolia Scott D. White 2001-4-3 8238 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  CLARK-A1528-2863  Olneya tesota John C. Roos 1965-12-4 Riverside Colorado Desert 365 Comment
  CAS-BOT-BC478172  Oncosiphon piluliferum R. E. Jr. Riefner 2015-4-2 15 -107 Riverside Perris/Menifee area, Patricia Ln. at Barnett Rd., S of Ethanac Rd. and W of I-215 441 Comment
  SEINET241485  Oncosiphon piluliferum A. C. Sanders, Mitch Provance 2001-5-8 24210 Riverside Perris-Aguanga region: Moreno Valley, along I-215 just S of March Field Museum, 0.7 mi. S of Van Buren Blvd. 465 Comment
  UCR177843  Oncosiphon piluliferum A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32540 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 549 Comment
  UCR266155  Oncosiphon piluliferum R. E. Riefner Jr. 2015-4-3 15- 108 Riverside Perris-Agunaga Basin, city of Menifee, Haun Road at Holland Road 446 Comment
  RSA681990  Oncosiphon piluliferum Steve Boyd 2003-4-30 10507 Riverside Mira Loma, along Highway 60 at onramp from Etiwanda Ave. to Hwy 60 westbound. Comment
  RSA0031145  Opuntia basilaris Marc Baker, Michelle Cloud-Hughes, Tim Thomas, Alice Karl 2013-9-26 17803 Riverside Chuckwalla Mountains, north side of Corn Springs Wash, 1.1km ESE of Corn Spring, 12.2km SE of Desert Center, 70 km west of Blythe. 478 Comment
  POM83411  Opuntia basilaris var. basilaris J. W. Toumey 1895-4-10 s.n. Riverside Banning. Comment
  SBBG88024  Opuntia littoralis A. C. Sanders 1984-4-15 5012 Riverside Mesa de Colorado, 5 air mi SW of Murrieta 60 Comment
  UCR26540  Opuntia littoralis A. C. Sanders, S. Hagopian 1981-5-20 2145 Riverside Perris-Aguanga Basin, S side of Pauba Valley, within l mi of Hwy 71 bridge over the Temecula River 367 Comment
  RSA353376  Opuntia munzii A. C. Sanders 1986-3-2 6147 Riverside Arroyo Seco, along Bradshaw Rd., 5.2 miles W of Graham Pass Rd., S side of the Chuckwalla Mountains. 640 Comment
  POM12614  Opuntia phaeacantha P. A. Munz, I. M. Johnston 1922-5-21 5572 Riverside San Jacinto Mountains. Near Gilman Relief Hot Springs. Comment
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Mar 13 2011
  RSA0097155  Opuntia phaeacantha Marc A. Baker, Michelle Cloud-Hughes 2015-6-23 18358 Riverside 2.5 km north of central Banning, 39 km NW of central Palm Springs. 841 Comment
  SD128319  Opuntia polyacantha var. erinacea R. Mitchel Beauchamp 1971-5-16 2424 Riverside Santa Rosa Mountains, open areas of pinyon forest, Pinyon Flat Campgrounds. (IPB 9/07) 1500 Comment
  UCR119797  Orcuttia californica R. E. Riefner Jr. 1998-8-13 98- 474 Riverside Elsinore Trough, Wildomar, [S end of Lake Elsinore ?] Comment
  UCR20795  Orcuttia californica A. C. Sanders 1980-5-17 1467 Riverside Santa Rosa Plateau, Santa Ana Mtns., 2.5 miles SW of Murrieta, Mesa De Burro 620 Comment
  JEPS11678  Orobanche californica subsp. feudgei W. L. Jepson and H. M. Hall May 17, 1901-June 1, 1901 1458 Riverside Van Deventer's Ranch. Comment
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May 1 2016
  CDA42116  Orobanche cooperi G. D. Barbe 1978-5-3 2381 Riverside Highway 62, 2.3 miles west of the San Bernardino county line, [somewhere near mile post 88 and the Highway 177 junction.] 0 Comment
  JEPS70889  Orobanche cooperi L. R. Heckard 1973-4-24 3321 A Riverside 16.3 mi. n. Desert Center (on rd. to Rice) 243 Comment
  UCR178547  Orobanche ludoviciana var. cooperi R. G. Swinney 1967-3-12 067 Riverside Sonoran (Colorado) Desert, North of Eagle Mountains 274 Comment
  RSA0059251  Orobanche parishii John C. Roos 1948-5-15 3848 Riverside Upper Lost Palms Canyon, Eagle Mts., Colorado Desert. Comment
  RSA796510  Osmorhiza brachypoda R. F. Thorne, E. W. Lathrop 1977-5-18 49720 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  SD137700  Oxalis californica Darin L. Banks, Steve Boyd 1995-5-9 360 Riverside Northwest Palomar Mountains, north of the Agua Tibia Wilderness Area. North slope of Agua Tibia Mountain, the Dorland Mtn area, west of the Dripping Springs Alcove Area, west of Woodchuck Campground 792 Comment
  RSA126711  Oxytheca caryophylloides Peter H. Raven, R. Snow 1957-7-26 11091 Riverside Banning-Idyllwild road, 0.9 miles north of Vista Grande Ranger Station, San Jacinto Mts. Comment
  UC2030086  Oxytheca caryophylloides Scott D. White 2000-8-5 8119 Riverside SAN JACINTO MTS: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). Comment
  UCR19480  Oxytheca emarginata E. C. Jaeger 1922-7-23 s.n. Riverside San Jacinto Mtns., Pines to Palms Trail, east slope of mountains 1524 Comment
  UCR251986  Oxytheca emarginata A. C. Sanders, T. B. Salvato 2014-7-2 41169 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  RSA506847  Oxytheca trilobata James L. Reveal, Barbara J. Ertter 1976-6-30 4567 Riverside Santa Rosa Mountains, along the dirt road to Santa Rosa Mountain, 4 miles south of Hwy 74. 1738 Comment
  CSUSB1064  Paeonia californica I. Rauch 1968-2-15 Riverside Santa Ana Mountains Santa Ana Mountains, Tin Mine Canyon Comment
  SDSU13605  Paeonia californica W. Miller, C. Mosse 1972-7-20 Riverside Comment
  CAS-BOT-BC327893  Palafoxia arida L. R. Abrams 1926-3-26 11028 Riverside Palm Springs Comment
  RSA793592  Palafoxia arida R. F. Thorne 1995-3-29 63035 Riverside White Water Canyon 600 Comment
  SEINET10799064  Palafoxia arida David B. Dunn, A. Folsom 1948-6-17 Dunn 3809 Riverside Near quad 2. At camp in Pushawalla Canyon under palms. Desert wash, Indio Hills, Colorado Desert. Comment
  JEPS34752  Palafoxia arida var. arida E. E. Schellenger May 1920 Riverside Canyon E of Coachella, Colorado Desert Comment
  POM363750  Palafoxia arida var. arida Ora M. Clark 1929-3-16 1708 Riverside N. of White Water. Comment
  UC565486  Palafoxia arida var. arida H. L. Mason 1928-3-10 4189 Riverside Whitewater River Comment
  UCR100329  Palafoxia arida var. arida George K. Helmkamp 1997-11-1 2516 Riverside Sonoran (Colorado) Desert, Bermuda Dunes, 41st St and Sparky (just east of Washington and south of I-10) 30 Comment
  UCR239246  Palafoxia arida var. arida Thomas R. Stoughton, J. McConnaughy, A. Monks 2010-12-1 722 Riverside Sonoran (Colorado) Desert, Coachella Valley Preserve, c. 0.25 mile east of road. Site #3 305 Comment
  CLARK-A1528-4784  Panicum hirticaule John C. Roos 1965-9-5 Riverside Comment
  UCR234331  Parietaria hespera A. C. Sanders, John F. Green 2012-4-6 40010 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, along Temescal Cyn. Rd., between Campbell Ranch Rd. and Glen Ivy Electrical Substation, west of I-15 Fwy, c. 10 miles south of Corona 327 Comment
  RSA668494  Parietaria hespera var. hespera S. Granger 1979-2-13 s.n. Riverside Chuckawalla Mountains. Comment
  RSA716382  Parietaria hespera var. hespera Scott D. White 2006-4-27 11303 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  SEINET8044077 Image available Parietaria hespera var. hespera A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-1 41551 Riverside Peninsular Range, Eastern Foot of Santa Ana Mtns.: opposite So. Cal. Edison Ivy Glen Substation, Temescal Valley at mouth of Mayhew Canyon, west of the I-15 crossing of Temescal Canyon Rd., north of massive minng operation, 0.6 km SE (101 degrees) of Temescal Fire Station. 329 Comment
  UCR67370  Parietaria hespera var. hespera Steve Boyd, T. S. Ross, L. Arnseth 1990-3-30 3965 B Riverside Peninsular Range, Vail Lake area, westerly draining canyon at N base of 'Big' Oak Mtn. 674 Comment
  UC2015680  Parkinsonia aculeata Scott D. White 1996-3-23 3846 Riverside Perris Basin Santa Rosa Hills, SE of Hemet (Loomis property: Friendly Hills Ranch. Comment
  LA45741  Parkinsonia florida J. Warren; 1952-4-28 sn Riverside Desert Center Comment
  SBBG68552  Parkinsonia florida M. N. Ackley -Apr-1928 608 Riverside Coral Reef Ranch, Coachella Valley -12 Comment
  UCR115140  Parkinsonia florida Mitch Provance 2000-10-28 2270 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  RSA698047  Parosela emoryi J. Russell Bruff 1928-12-29 402 Riverside Lone Cottonwood Ranch 2 mi. S.E. of Dos Palmos. Comment
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Oct 23 2011
  UCR90590  Paspalum dilatatum Scott D. White 1995-6-29 3407 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  POM319685  Paspalum distichum Patricia Wilder 1971-11-11 5292 Riverside Along Santa Ana River, north of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. 229 Comment
  RSA781998  Pectis papposa Stephanie Rockwood, Christi Gabriel 2011-10-18 119 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 109 Comment
  RSA608161  Pectis papposa var. papposa Steve Boyd, Valerie Soza, Tasha La Doux 1997-10-13 10049 Riverside Sonoran (Colorado) Desert Chuckwalla Mtns, NW base of the range, south of Eagle Mine Rd exit on Hwy I-10. 426 Comment
  UCR116454  Pectocarya linearis A. C. Sanders, T. B. Salvato 2001-3-30 23873 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. Pina Colada 366 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
  SEINET3105400  Pectocarya penicillata Sears 1978-3-16 826 Riverside 2.5 mi. NW of Midland. In wash area beyond gap between Little Maria and Big Maria Mts. Comment
  UCR47802  Pectocarya penicillata F. R. Fosberg 1932-5-9 10639 Riverside St. Johns Grade near Hemet 770 Comment
  SEINET9300461  Pectocarya platycarpa Unknown 1976-5-3 Riverside Red Mountain Road. Comment
  UCSB36130  Pectocarya platycarpa Roberts, Dar 1980-3-26 Riverside 1 mile south southern entrance to Joshua Tree National Monument; 1/4 mile E. Rd. 750 Comment
  POM292378  Pectocarya recurvata Lyman Benson 1933-3-31 4175 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  UCR213498  Pectocarya recurvata A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-18 38412 Riverside Peninsular Range, southeastern Gavilan Hills near Alberhill, north of Concordia Ranch Rd. and Black Powder Rd. 502 Comment
  JOTR33959  Pectocarya setosa La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2845 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; sandy wash and gravelly benches with bouldery granitic outcrops Comment
  POM259690  Pedicularis densiflora P. A. Munz 1940-3-17 15600 Riverside Dripping Springs Comment
  RSA33509  Pellaea andromedifolia var. andromedifolia Norman C. Cooper 1944-5-7 1197 Riverside Banning 701 Comment
  UCR121652  Pellaea mucronata A. C. Sanders, Kent Beaman 2002-5-10 25048 Riverside Santa Ana Mtns., Santa Rosa Plateau, hills west of the head of De Luz Creek, 0.4 mi. south of Tenaja Rd. on west side of Calle Roble near Avenida Matorral 671 Comment
  RSA102270  Pellaea mucronata subsp. californica S. B. Parish, W. F. Parish 1881-08 511 Riverside San Jacinto [most likely Mount San Jacinto and not the town of San Jacinto, north of Hemet--SB] Comment
  SD229013  Pellaea mucronata subsp. mucronata Dick Schwenkmeyer 2012-3-26 673 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx 1 mile northeast of junction of Highway 74 and Morris Ranch Road, base of steep bouldery slope. 1374 Comment
  UC1874931  Pellaea mucronata subsp. mucronata Ruth Kirkpatrick 2003-4-25 1151 Riverside Along Hwy 243, between Idylwild and Banning, 9 road mi from Banning 1341 Comment
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Jul 6 2010
  POM856  Pellaea mucronata var. mucronata P. A. Munz 1918-4-27 2123 Riverside Temecula Canyon: base of rocks, Comment
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Mar 27 2011
  SFV13130  Pellaea mucronata var. mucronata M. J. Thor 1982-9-17 138 Riverside San Jacinto Mountains Idyllwild Park. 1616 Comment
  NY1084028  Penstemon X parishii C. B. Wolf 1938-6-11 9416 Riverside San Jacinto Mountains, Palms to Pines Highway, 1½ miles west of junction to Anza 1219.2 Comment
  SD212735  Penstemon centranthifolius T. B. Salvato, John F. Green 2004-5-27 586 Riverside Head of Banning Canyon close to the San Bernardino County line, 0.5 mile southeast of Oak Glen Conservation Camp. 1402 Comment
  UCR16007  Penstemon centranthifolius David T. Wright 1966-5-16 s.n. Riverside San Jacinto Mtns, 8 mi SE of Banning, at Hurley Flats Rd 1341 Comment
  UCSB47315  Penstemon centranthifolius Hibbard, Doug 1977-5-6 Riverside north west side of Hwy 74; 11.8 mi up from its intersection with Hwy 111 1036 Comment
  UCR132895  Penstemon clevelandii Ina Lengyel 1997-5-27 s.n. Riverside San Jacinto/Santa Rosa Mtns., Hwy 74 between Ribbonwood and Santa Rosa Mtn. Road 1341 Comment
  CAS-BOT-BC265286  Penstemon clevelandii subsp. connatus Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mount San Jacinto? Comment
  CAS-BOT-BC265294  Penstemon clevelandii subsp. connatus Edmund C. Jaeger 1939-5-4 s.n. Riverside Pinon Alta Flats, Santa Rosa Mountains 1219 Comment
  UC397415  Penstemon eatonii var. undosus P. A. Munz 1921-5-1 4541 Riverside Pinyon Wells Pinyon Wells (Southern California) 1219 Comment
  SD229289  Penstemon grinnellii var. grinnellii Dick Schwenkmeyer 2012-6-27 756 Riverside Strawberry Creek, 1/4 mile northwest of Humber Park, Idyllwild. 1914 Comment
  UC27406  Penstemon rostriflorus H. M. Hall 1901-6-24 2238 Riverside Squirrel Creek San Jacinto Mountains, Squirrel Creek (in canyons of the w side, San Jacinto Mountains) Comment
  RSA653390  Penstemon spectabilis Mitch Provance 1998-6-11 682 Riverside Jurupa Mountains: 'Twin Canyons', S of the historical community known as Declezville. This housing development area is now known as Southridge. 320 Comment
  UCR214300  Penstemon spectabilis A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38396 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  UCSB18235  Penstemon spectabilis Matchett, Will 1964-5-16 Riverside 4.7 miles south of Interstate Highway 10 on Banning-Idelwild Road, San Jacinto Mountains 1158 Comment
  SEINET3148378  Pentachaeta aurea F. M. Reed 1908-7-14 2455 Riverside Strawberry Valley, San Jacinto Mts. Comment
  UC669246  Pentagramma maxonii Annie M. Alexander and Louise Kellogg 1941-2-28 1876 Riverside Andreas Canyon; San Jacinto Mts 335 Comment
  UCR261119  Pentagramma triangularis Joseph Cahill 2011-1-29 111- 20 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, c. 1.4 miles west of intersection of South Palm Canyon Dr. and Murray Canyon Dr., SW of Palm Springs 403 Comment
  RSA0060230  Pentagramma triangularis Lyman Benson 1946-4-15 12035 Riverside Canyon on Twenty-nine Palms Road from Whitewater. San Bernardino Mountains, Colorado Desert drainage area. 457 Comment
  IRVC3159  Pentagramma triangularis subsp. triangularis R. H. Whittaker, W. A. Niering 1963-5-28 SJ 32 Riverside Mountain Center, Hemet Hwy. San Jacinto Mountains 976 Comment
  JOTR35343  Perityle emoryi Harding, Mitzi, Mark Wheeler 2012-2-28 110 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; steep-walled, shallow, north-flowing canyon with rocky wash bottom (Stop 4) 361 Comment
  OBI15581  Perityle emoryi Robert F. Hoover 1966-10-15 10169 Riverside Dead Indian Cyn Comment
  SD144022  Perityle emoryi G. K. Helmkamp, E. A. Helmkamp 1998-2-18 2717 Riverside Colorado Desert: Chuckwalla Valley; 0.3 mi S of Chuckwalla Rd. on Graham Pass Rd. Comment
  RSA0030872  Perityle emoryi H. M. Hall 1902-1 2793 Riverside Western borders of the Colorado Desert. Coyote Canyon. 152 Comment
  SEINET7883493 Image available Perityle emoryi Lewis S. Rose 1938-12-22 38337 Riverside San Jacinto Mountains 2000 Comment
  CAS-BOT-BC413483  Persicaria amphibia I. M. Johnston 1918-5-30 2027 Riverside Lee Lake, Temescal Canon [Canyon] 335 Comment
  SDSU13613  Persicaria lapathifolia W. Miller, C. Mosse 1972-8-9 Riverside Comment
  CDA36682  Petalonyx linearis T. C. Fuller 1961-1-1 5492 Riverside West of Highway 99, 1.5 miles south of Oasis. 0 Comment
  RSA445146B  Petalonyx linearis Anstruther Davidson 1921-4-21 s.n. Riverside Thousand Palm Canyon. Comment
  CAS-BOT-BC167769  Petalonyx thurberi Marcus E. Jones 1926-6-8 s.n. Riverside Whitewater Comment
  RSA445159  Petalonyx thurberi Donald Myrick 1968-3-4 1802 Riverside On desert at Desert Hot Springs. 305 Comment
  RSA445162  Petalonyx thurberi Jack Rempel 1932-11-13 16122 Riverside 10 miles up Palm Wash. Colorado Desert. Comment
  SD229205  Petalonyx thurberi subsp. thurberi Dick Schwenkmeyer 2012-11-6 860 Riverside Palm Canyon, Ague Caliente Indian Reservation, 2.6 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 178 Comment
  UCR79823  Petunia X atkinsiana Michael A. Patten 1992-5-14 92- 04 Riverside Peninsular Range, Between Highway I-215 and Wolf Valley, c. 0.5 mi SE of the Highway at Temecula Creek, near Pala Road 305 Comment
  CLARK-A1528-2030  Peucephyllum schottii John C. Roos 1947-2-15 3247 Riverside Eagle Mountains Comment
  LA203886  Peucephyllum schottii T. Craig; 1932-2-24 1796 Riverside Coachella Valley, Cathedral City Comment
  UC1002627  Peucephyllum schottii Alice Yates and Jas. E. Wilcox 1954-1-29 Riverside 3 mi n Desert Hot Springs 396 Comment
  UCR22761  Peucephyllum schottii John LaSalle 1981-2-1 s.n. Riverside Western Colorado Desert, east side of the Coachella Valley in Painted Canyon above the Mecca Hills camping area Comment
  RSA426004  Phacelia ambigua N. C. Cooper 1949-4-8 3259 Riverside Indio. Mecca Pass, east of Indio. 457 Comment
  RSA427711A  Phacelia ambigua Robert Gustafson 1983-3-27 2489 Riverside Near mouth of fairly steep-walled canyon southwest of Lake Cahuilla Comment
  UCR275538  Phacelia ambigua D. E. Bramlet 2010-3-1 4459 Riverside Sonoran (Colorado) Desert, West Berdoo Canyon, Little San Bernardino Mtns., c. 6 air miles north of Indio 366 Comment
  CLARK-A1528-2993  Phacelia brachyloba John C. Roos 1937-6-7 669 Riverside Sage Comment
  UCR103257  Phacelia campanularia B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3570 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  UCR226582  Phacelia campanularia subsp. vasiformis Jim Andre 2011-2-18 15825 Riverside Coachella Valley, north end of valley at base of Morong Canyon, 0.5 mi north of indian Canyon Road, 1 mi west of Hwy 62 473 Comment
  UCR144754  Phacelia cicutaria var. hispida Scott D. White, Michael Honer 2003-4-2 8907 Riverside Peninsular Range, Temescal Canyon, just west of I-15 Freeway and northeast of Lawson Dr. 366 Comment
  UCR91350  Phacelia cicutaria var. hispida Scott D. White, M. Jacobsmeyer 1996-4-20 3956 Riverside Perris-Aguanga Basin region, SW of Perris: hillside south of the San Jacinto River channel 518 Comment
  UC963830  Phacelia crenulata var. ambigua H. K. Sharsmith 1952-4-8 4048 Riverside western edge of Pinto Basin Mojave Desert, Joshua Tree National Monument, Hexie Mountain 762 Comment
  CLARK-A1045-319  Phacelia distans George K. Helmkamp 1977-3-20 Riverside Morongo Indian Reservation edge of Hathaway Creek, west of the Malki Museum; Cabazon 7.5'Q Comment
  RSA272177  Phacelia distans C. W. Tilforth 1978-4-30 1567 Riverside Low, rounded hills east of Norco. Comment
  RSA346252  Phacelia distans Robert F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54068 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  RSA426222  Phacelia distans Ora M. Clark 1929-2-23 1590 Riverside North Whitewater. Comment
  UCR92184  Phacelia distans D. L. Banks, Steve Boyd 1995-5-3 0187 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  UC489184  Phacelia imbricata subsp. patula C. V. Meyer 1928-7-30 592 Riverside Saunders Meadow San Jacinto Mts. 1706 Comment
  POM158465  Phacelia minor P. A. Munz 1927-5-20 10827 Riverside 10 miles S. of Hemet. Comment
  RSA427699A  Phacelia minor N. C. Cooper 1945-5-6 2265 Riverside San Gorgonio Mountains above Banning. 915 Comment
  UC1537525  Phacelia minor Gordon H. True Jr. 1935-2-20 2 Riverside Box Springs Sycamore Canyon (lower end of canyon) 365 Comment
  UCR155324  Phacelia minor A. C. Sanders, Mike Misenhelter 2005-3-23 29256 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  RSA654550  Phacelia parryi Bruce Albert 1982-4-17 80 Riverside Field north of Santa Rosa road, 5.7 miles east of Lake Mathews Road. Comment
  JOTR30111  Phacelia pedicellata La Doux, Tasha, Bill Truesdell 2008-3-18 1659 Riverside Joshua Tree National Park. Stop 2 = Near northern Park boundary in Rattlesnake Canyon Wash, near bouldery outcrops 892 Comment
  SD90578  Phalaris caroliniana Robert F. Thorne, Earl Lathrop 1969-5-12 37951 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California, small vernal marsh 625 Comment
  CLARK-A1528-4796  Phalaris lemmonii John C. Roos 1937-5-10 456 Riverside Elsinore Comment
  UC415567 Image available Philadelphus microphyllus var. stramineus H. M. Hall 1901-7 2500 Riverside Vicinity of Tamarack Valley San Jacinto Mts. 2529 Comment
  RSA796323  Pholisma arenarium Duncan S. Bell 2009-4-18 216 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  UCR211821  Pholisma arenarium Valerie Soza, Steve Boyd, Neil Gilbert 2000-12-6 1062 B Riverside Peninsular Range; San jacinto Mountains, Bautista Canyon, along Bautista Canyon Road, across from Bautista Conservation Camp 854 Comment
  JEPS1862  Pholistoma membranaceum Samuel B. Parish 1882-1 Riverside Cabezon Colorado Desert, Cabezon Comment
  RSA76032  Pholistoma membranaceum F. W. Peirson 1918-03 5304 Riverside Whitewater Grad, E of Beaumont. Comment
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Feb 3 2013
  UCR41366  Pholistoma membranaceum N. M. Fellows 1985-3-3 87 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mountain, l mile west of Snow Creek Village 489 Comment
  HSC99177  Phoradendron californicum Paul J. CaraDonna 2009-3-17 131 Riverside Jumbo Rock Campground, Joshua Tree National Park. Comment
  RSA0042114  Phoradendron californicum Duncan S. Bell, LeRoy Gross 2014-3-20 6285 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  RSA793530  Phoradendron californicum Naomi S. Fraga, David Fraker, Tommy Stoughton 2012-3-15 3953 Riverside Off of Box Canyon Rd. S. of Shaver well in a wash. 229 Comment
  UCD102236  Phoradendron leucarpum subsp. tomentosum A. C. Sanders; S. D. Boyd, Mitch Provance, and J. Ross 1998-10-25 22285 Riverside San Jacinto Mtns.: Pine Meadow along Hwy. 74 in Garner Valley (eastern), 1 mi. NW of Hwy 371 junction to Anza. 1441 Comment
  SD137586  Phoradendron macrophyllum Darin L. Banks, Steve Boyd 1995-10-17 823 Riverside NW Palomar Mountains; Agua Tibia Mountains, Cleveland National Forest, Dripping Springs Campground 487 Comment
  POM184031  Phoradendron villosum Philip A. Munz 1932-10-16 12847 Riverside Indio to Vandeventer Flat. 1067 Comment
  POM354351  Phoradendron villosum N. C. Cooper 1945-5-24 1630 Riverside Big Oaks Canyon, Banning. 1220 Comment
  POM214537  Phragmites australis Joseph A. Ewan 1932-4-8 7044 Riverside Seven Palms near Garnet Comment
  CLARK-A1528-4356  Physalis acutifolia John C. Roos 1965-9-5 Riverside Blythe Comment
  JOTR32606  Physalis crassifolia La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2670 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  RSA515207  Physalis crassifolia Steve D. Boyd 1986-3-13 1483 Riverside West Side Palen Mountains: NE of Desert Center; First large canyon at NW tip of western segment of range. Comment
  RSA703403  Physalis crassifolia LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda L. Worlow 2005-2-17 1455 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  SBBG99847  Physalis crassifolia W. L. Halvorson 1977-3-25 77 -198 Riverside N of Mecca, N of Salton Sea Comment
  UCD126791  Physalis crassifolia Steve Boyd; Tammy Morgan, Aydee Virgen, Sarah DeGroot, et al 2004-5-14 11216 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  RSA357156  Pilularia americana R. F. Thorne 1973-5-23 43854 Riverside Santa Rosa Plateau: N side of Mesa de Colorado. Santa Ana Mountains 609 Comment
  UCR60764  Pilularia americana R. F. Thorne 1973-5-23 43854 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  RSA0042756  Pinus cembroides Anonymous 1938-5-26 s.n. Riverside Pinyon Flats. San Jaciento Mt. Comment
  LA6050  Pinus contorta subsp. murrayana A. H. Lange; 1951-5-27 sn Riverside San Jacinto Mountains, Tauquitz (Tahquitz) Peak 2133 Comment
  CAS-BOT-BC78598  Pinus flexilis Arthur Menzies; Bob Murray 1957-8-21 s.n. Riverside Marion Mt., San Jacinto Mts. Comment
  RSA548756  Pinus monophylla W. L. Halvorson 1977-4-4 77 -236 Riverside Transition from desert at Joshua Tree Nat'l Monument. 1220 Comment
  UCR131458  Pinus monophylla June Latting 1973-3-1 s.n. Riverside Santa Rosa Mountains., Pinyon Flat along Calif. Hwy 74 above Palm Canyon 1220 Comment
  CAS-BOT-BC79053  Pinus ponderosa H. E. McMinn 1926-7-2 1500 Riverside Tahquitz Peak Trail - San Jacinto Mts. Comment
  CAS-BOT-BC79093  Pinus quadrifolia Ellsworth Bethel 1918-5-21 s.n. Riverside [Nigger] Negro Jim Hill, Palomar Mts., 35 mi. e. of San Jacinto Comment
  JEPS48199  Pinus quadrifolia W. L. Jepson and H. M. Hall 1901-5-26 1459 Riverside between Vandeventers and Coyote Canon Comment
  UCSB149  Pinus quadrifolia Newby, Ron 1959-5-17 Riverside 12 miles N from Pinon Flats on Highway 74 growing along roadside; San Jacinto Mountains 1371 Comment
  RSA709443  Pistia stratiotes A. C. Sanders, C. L. Sanders, D. L. Sanders 2004-5-23 27963 Riverside Colorado Desert: Coachella Valley, northeast end of the Salton Sea, near end of Johnson St. 70 Comment
  SEINET244840  Plagiobothrys acanthocarpus Ian G. Gillespie 2000-4-26 26 Riverside Perris-Aguanga Basin; S side of Paloma Valley. Hilltop at S end of Linderberger Road, SW of the intersection of Scott Road and Briggs Road. 473 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
  SD181657  Plagiobothrys canescens Scott D. White, Tasha La Doux 2000-4-20 7701 Riverside Gibbel Flat in the Santa Rosa Hills. 609 Comment
  UCR172255  Plagiobothrys collinus John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, City of Temecula, Immediately N and south of Murrieta Hot Springs Road along San Diego Aqueduct right-of-way 396 Comment
  UCR193404  Plagiobothrys collinus A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35619 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mi WSW of Fleming Ranch, at ephemeral stream crossing of dirt track 1561 Comment
  UCR97455  Plagiobothrys collinus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19844 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  UC1537688  Plagiobothrys collinus var. californicus Gordon H. True Jr. 1935-2-20 9 Riverside Box Springs Sycamore Canyon 365 Comment
  UCR250215  Plagiobothrys collinus var. californicus A. C. Sanders 2014-4-8 40979 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 280 m NE of the I-15 crossing, near mouth of Mayhew Canyon 317 Comment
  POM9223  Plagiobothrys collinus var. californicus I. M. Johnston 1920-5-8 2270 Riverside Jurupa Mountains, extreme west end. Comment
  UCR157464  Plagiobothrys collinus var. fulvescens A. C. Sanders 1994-5-30 14614 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  RSA0106760  Plagiobothrys jonesii Duncan S. Bell, Amanda Turek 2009-3-29 141 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; large narrow canyon to the west of Priest Mine. 420 Comment
  UCR75046  Plagiobothrys jonesii A. C. Sanders, E. J. Lawlor 1992-4-4 12143 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA80216  Plagiobothrys leptocladus F. W. Peirson 1922-4-29 4273 Riverside Field S of Lake Elsinore 375 Comment
  UCR171893  Plagiobothrys nothofulvus John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, Temecula, Southern California Edison right of way between residential areas, N-S corridor between S General Kearny Road and La Serena Way; east of Veterans Park 366 Comment
  UC1563044  Plagiobothrys tenellus Steve Boyd, Tim Ross, and Laurel Arnseth 1989-3-31 3075 Riverside 0.25 mi e Pauba Road (s of Hwy 79); Vail Lake area 426 Comment
  UCR101381  Plagiobothrys tenellus A. C. Sanders 1997-4-10 20321 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  RSA524397  Plantago erecta Steve Boyd, Tim S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4119 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
  RSA524609  Plantago erecta Steve Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3932 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  RSA0013144  Plantago major LeRoy Gross, Caitlin Elam 2013-5-14 6070 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  UCR1586  Plantago major R. L. Needham 1962-5-15 10065 Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, Camp Evans [below Fairmont Park], Boy Scouts of America. 244 Comment
  JEPS15400  Plantago ovata Joseph and Hilda Grinnell 1937-11-30 1083 a Riverside 24 mi w Blythe (bed of Ford Dry Lake); Ford Dry Lake 106 Comment
  JEPS7165  Plantago ovata L. G. Childs May 1920 Riverside near Mecca; Colorado Desert Comment
  RSA793419  Plantago ovata Naomi Fraga, David Fraker, Tommy Stoughton 2012-3-15 3957 Riverside Off of Box Canyon Rd. south of Shaver well on an alluvial plain. 323 Comment
  UC124296  Plantago ovata T. S. Brandegee 1901-4-4 Riverside Colorado Desert Comment
  UC494677  Plantago ovata Philip A. Munz 1932-3-14 12001 Riverside Coachella Valley, Deep Canyon 91 Comment
  UC577432  Plantago ovata J. and H. W. Grinnell 1937-11-30 1083 a Riverside 24 mi w Blythe (Bed of Ford Dry Lake); Ford Dry Lake Comment
  UC68707  Plantago ovata H. M. Hall Apr 1905 5827 Riverside near Indio; Colorado Desert 0 Comment
  UCR74366  Plantago ovata Theo Glenn 1991-4-30 91- 68 Riverside Sonoran (Colorado) Desert, McCoy Mtns, NW of Blythe 280 Comment
  RSA708430  Plantago patagonica Scott D. White 2005-3-29 10827 Riverside San Gorgonio Pass: Cabazon. Alluvial fan and benches west of San Gorgonio river and south of I-10 Freeway. West of existing gravel quarry, likely to be proposed for quarry expansion. 585 Comment
  RSA757782  Plantago patagonica LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4305 Riverside From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  RSA773184  Plantago patagonica Duncan S. Bell, Joy D. England 2010-5-27 1131 Riverside San Bernardino National Forest: Garner Valley, approximately 1 air mile southeast of junction of forest service road 6S04 and forest service road 6S13. 1354 Comment
  UCR127573  Plantago patagonica D. E. Bramlet 2003-4-18 3374 Riverside Base of San Jacinto Mtns., 2,348m south of Cabazon, 2,012m northwest of Cabazon Peak, and 183m northwest of the Colorado River Aqueduct 548 Comment
  UCR35065  Plantago patagonica L. B. Ziegler 1972-5-30 465 Riverside San Jacinto Mtns., Hemet (Garner) Valley. 1418 Comment
  RSA785717  Platanus racemosa Doris Bowers 1972-4-15 1829 Riverside Pulgas Creek Canyon, Rancho California. 396 Comment
  UC527330  Platanus racemosa B. D. Stark Nov. 1933 5555 Riverside Andreas Canyon San Jacinto Mts. (desrt side of mts.) Comment
  UC527405  Platanus racemosa Carl B. Wolf 1932-5-24 3647 Riverside 1/2 mi below fish hatchery (n base of mt.); San Jacinto Mt., Snow Creek Canyon 548 Comment
  UCR21165  Platanus racemosa 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
  RSA501065  Platystemon californicus Steve Boyd, Tim S. Ross, L. Arnseth 1989-4-1 3183 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  UCR113138  Platystemon californicus A. C. Sanders 1998-3-11 21686 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near old mine site above San Jacinto Valley, south of end of Warren Rd. 610 Comment
  RSA751407  Plecostachys serpyllifolia R. E. Riefner Jr. 2008-12-16 08 -369 Riverside City of Temecula, Pechanga Pkwy. at Pechanga Resort Dr. 338 Comment
  RSA552739  Plectritis ciliosa subsp. insignis Steve D. Boyd, Tim S. Ross, Orlando Mistretta 1992-3-31 6761 Riverside San Mateo Cyn. Wilderness Area. Tenaja Trail from jtn w/ Morgan Tr. S to Pigeon Spring area. 670 Comment
  RSA670356  Pleuraphis rigida Bonnie C. Templeton 1930-4-9 1009 Riverside North of Palm Springs. Colorado Desert. 305 Comment
  RSA776908  Pleuraphis rigida Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 960 Riverside Blythe-Rice Road, East/Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing 243 Comment
  CAS-BOT-BC326535  Pluchea sericea Munz; Street; Williams 1919-3-25 2320 Riverside Palm Canyon, Palm Springs Comment
  OBI15572  Pluchea sericea H. E. McMinn 1935-6-22 3933 Riverside 1/4 mi S of Elsinore Comment
  POM4881  Pluchea sericea J. S. Chase 1916-04 s.n. Riverside Palm Springs. Comment
  UCR80005  Pluchea sericea Scott D. White 1992-9-2 768 Riverside San Jacinto Valley, Vicinity of Gilman Hot Spirngs, north side of San Jacinto River, and a thin strip tending north of the river & west of the Hot Springs. 451 Comment
  UCR2674  Poa annua F. M. Reed 1904-3-11 661 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 305 Comment
  RSA179491  Poa bulbosa E. W. Lathrop 1960-4-15 4737 Riverside 14 miles W of Murrieta. Comment
  LA206408  Poa nevadensis Frank W. Gould; 1944-4-5 2234 Riverside 17 mi. E of Temecula on highway 79 Comment
  RSA502899  Poa secunda Ed LaRue 1989-3-30 s.n. Riverside Rancho California area, ca. 4 miles W of Temecula,with Ave. del Oro as the N boundary. 381 Comment
  RSA715089  Poa secunda Sarah J. De Groot, Beth Kempton 2006-3-16 5209 Riverside San Jacinto Mountains: Dirt road heading east from Castille Canyon Road toward Indian Creek, west of Poppet Flat. 658 Comment
  UCR98342  Poa secunda A. C. Sanders, G. Helmkamp 1997-3-15 19946 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 488 Comment
  UC336957  Poa secunda subsp. secunda unknown 1988-4-14 5462 Riverside Elsinore Comment
  UCSB18304  Poa secunda subsp. secunda Smalley, G. 1964-5-9 Riverside 2.5 miles south of Banning on Banning to Idyllwild Road 853 Comment
  UCR84055  Polycarpon tetraphyllum A. C. Sanders, L. Ard 1994-7-11 15054 Riverside San Bernardino Mtns., Cherry Valley, irrigated landscaping at the Edward Dean Museum, Oak Glen Road, 1 mi north of Orchard St. 1000 Comment
  RSA518290  Polygonum argyrocoleon George K. Helmkamp 1989-9-16 s.n. Riverside ca. 1/2 mi. S of Hwy I-8 W of Blythe, at Seeley Rd. and state Hwy 78. QH 0N, 1E 75 Comment
  RSA661037  Polygonum lapathifolium A. C. Sanders, Mitch Provance 1999-9-26 23083 Riverside McMullen Flat at Valley High County Park, 0.7 mi. SE of Hwy 74 on Twin Pines Ranch Road. 1183 Comment
  RSA523504  Polypodium californicum Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-30 3964 Riverside Vail Lake Area, westerly drainage cyn at N base of 'Big' Oak Mtn. 640 Comment
  UCSB62522  Polypodium californicum Kiefer, Lawrence 1963-11-3 Riverside Reche Canyon (S of Loma Linda), W side, N-running ravine just inside county line. 426 Comment
  UCR168686  Polypogon interruptus T. B. Salvato, John F. Green 2004-5-27 582 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  RSA385498  Polypogon viridis N. C. Cooper 2638 Riverside Whitewater Canyon. Comment
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Jan 14 2010
  UCSC001091  Polystichum scopulinum Peter Kamb 1947-10-4 1 Riverside Snow Creek, San Jacinto Mt. Comment
  POM182203  Populus X parryi Philip A. Munz 1932-4-24 12388 Riverside San Jacinto Mountains: Snow Creek Canyon 457 Comment
  RSA6648  Populus X parryi Carl B. Wolf 1932-5-25 3661 Riverside Flat at mouth of east fork of Snow Creek, N Base of San Jacinto Mountains 671 Comment
  CAS-BOT-BC102602  Populus fremontii Alice Eastwood 1919-3-15 7989 Riverside Indio Comment
  RSA457782  Porophyllum gracile Steve Boyd, Richard Noyes, Sara Meury, D. Nordin, Timothy S. Ross 1988-3-10 2206 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA695703  Porophyllum gracile Stephen Bruff 1934-3-28 s.n Riverside Lakeview. Comment
  UC454979  Potentilla gracilis var. elmeri I. J. Condit 1910-6-21 Riverside Strawberry Valley , Strawberry Valley (San Jacinto Mts.) 1676 Comment
  CAS-BOT-BC540419  Potentilla gracilis var. fastigiata E. C. Van Dyke 1828-7-22 s.n. Riverside Idyllwild Comment
  UCR63905  Proboscidea althaeifolia G. R. Ballmer 1990-8-21 s.n. Riverside Sonoran (Colorado) Desert, Palo Verde Valley, 5 mi. west of Hwy 78, on Bradshaw Trail Comment
  UCR92705  Proboscidea parviflora var. hohokamiana A. C. Sanders, S. Hawkins 1996-4-24 18084 Riverside San Bernardino Mtns, Morongo Indian Reservation, SE edge of Burro Flats in vicinity of natural pond & bog 1159 Comment
  RSA371702  Prosopis glandulosa var. torreyana A. C. Sanders 1986-4-30 6494 Riverside Along the Gilman Springs Road, 0.3 mile SE of Jackrabbit Trail, San Jacinto Valley. Possibly at an old home site, but no evidence of buildings remains. 457 Comment
Read comments
Mar 20 2011
  RSA784720  Prosopis glandulosa var. torreyana Duncan S. Bell 2012-3-18 3207 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  SD211455  Prosopis glandulosa var. torreyana Carolyn Martus, Joseph Betzler, Caesara Brungraber, Lance Woolley 2008-4-15 1216 Riverside 30 miles west of Blythe near Palen Dry Lake. About two miles south, southeast from the north end of Palen Dry Lake. Access the area from the Corn Springs exit from I-10. Comment
  UCR260293  Prunus fasciculata A. C. Sanders, Jim Malusa 2015-3-9 41366 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along Gasline Road at major wash crossing 1.9 mi. south of Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range 686 Comment
  SBBG35034  Prunus fasciculata var. fasciculata S. W. Hutchinson -Apr-1927 955 Riverside Cottonwood Springs Comment
  UCR244386  Prunus fasciculata var. fasciculata Jim Andre 2012-4-16 20967 Riverside Southern Mojave Desert, Joshua Tree National Park; north side of Mt Ryan at Sheep Pass Campground area 1370 Comment
  CLARK-A1528-4031  Prunus fremontii John C. Roos, Lucille Roos 1953-3-21 5908 Riverside Palm Springs 274 Comment
  UCSB41269  Prunus fremontii Cowan, Clark 1978-4-23 Riverside 12.1 mi (19.2 km) S on Hwy 74 from jct. w/ Hwy 111 at Indian Wells. Whittaker transect #W-220 (voucher). 950 Comment
  CAS-BOT-BC151206  Prunus virginiana var. demissa E. K. Balls 1949-5-4 13486 Riverside On road from Idyllwild to Banning, San Jacinto Mts. 1371 Comment
  SD212715  Prunus virginiana var. demissa T. B. Salvato, John F. Green 2004-5-27 606 Riverside Head of Banning (San Gorgonio Canyon) Canyon close to the San Bernardino County line, 0.5 miles Southeast of Oak Glen Conservation Camp 1402 Comment
  POM308524  Psathyrotes ramosissima Henry J. Ramsey, Ramsey 1939-11-28 3171 Riverside 15 miles east of Indio Comment
  RSA799243  Psathyrotes ramosissima Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 736 Riverside South side of the Mecca hills, side canyon roughly 1.3 miles north of turnoff for Painted Canyon on Box Canyon Road 113 Comment
  SEINET7883495 Image available Psathyrotes ramosissima Lewis S. Rose 1938-12-19 38326 Riverside 6 mi. s. of Cathedral City. 46 Comment
  UCD135007  Psathyrotes ramosissima Lewis S. Rose 1959-1-12 59010 Riverside Cathedral City. 121 Comment
  SD234306  Pseudognaphalium beneolens R. E. Riefner Jr. 2006-9-14 06 432 Riverside Peninsular Range: Temecula, Temecula Valley, Hwy 79 at Old Town Front Rd. 305 Comment
  UCR250874  Pseudognaphalium biolettii S. J. Myers, Jennifer Tobin, Michelle Tobin 2013-3-13 1043 Riverside Lakeview Mountains, along powerline access road NE of Juniper Flats Rd. 649 Comment
  UCR91458  Pseudognaphalium biolettii Scott D. White 1995-3-30 2678 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  UCR228254  Psilocarphus brevissimus A. C. Sanders, T. B. Salvato 2011-4-1 38932 Riverside Peninsular Range, Lake Elsinore area, near Alberhill, Baker St., SW side at dirt road crossing, c. 270 ft. SE of intersection with Pierce St. 385 Comment
  UCR266811  Psilocarphus brevissimus Mitch Provance, Matt Amalong, Eric Kline 2015-3-24 315- 02 Riverside Paloma Valley, Menifee, NE corner of the intersection of Scott Rd. and Menifee. 454 Comment
  RSA561126  Psilocarphus tenellus Steve Boyd 1993-5-12 7309 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
  CAS-BOT-BC346363  Psorothamnus Marcus E. A M Jones 1903-5-8 s.n. Riverside Indio -7 Comment
  RSA707352  Psorothamnus emoryi Jonathan Snapp-Cook, Kurt Roblek, Kevin B. Clark, Reas Chavez 2005-6-30 CFW- 07 Riverside Rancho Mirage, eastern Riverside County. 0.5 miles NWW of intersection of Ramon Road and Los Alamos Way. This area is referred to as Big Dune. 91 Comment
  SBBG68074  Psorothamnus emoryi Anstruther Davidson 1895-1 Riverside Palm Springs Comment
  UCR245747  Psorothamnus emoryi Duncan S. Bell 2009-4-18 211 Riverside Arica Mountains, NW of range, c. 1.6 air miles south of Hwy 62 and c. 0.4 air mi. N of California aqueduct 389 Comment
  UCR281909  Psorothamnus polydenius A. C. Sanders, Jim Malusa 2017-9-21 43360 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains Aerial Gunnery Range, south of Bradshaw Trail at large wash crossing 689 Comment
  CAS-BOT-BC340860  Psorothamnus schottii Lester Rowntree 1937-5-28 s.n. Riverside Pines to Palms [Palms to Pines] Comment
  CAS-BOT-BC340926  Psorothamnus schottii T. B. Salvato; A. C. Sanders; Mitch Provance 2000-4-18 47 Riverside Coachella Valley: 2 mi NE of Mecca near mouth of Painted Canyon at foot of Mecca Hills, W edge of Coachella Canal 9 Comment
  RSA404245  Psorothamnus schottii Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  SDSU5216  Psorothamnus schottii D. F. Howe 1952-4-27 2190 Riverside 5 miles south of highway east of Mecca, along All-American Canal. Comment
  UC1280845  Psorothamnus schottii H. E. McMinn 1935-6-27 4059 Riverside Palms to Pines Highway Desert slope, Palms to Pines Highway (Desert Slope) Comment
  UCR89647  Psorothamnus schottii Bern Schwenn 1994-4-29 s.n. Riverside southern Mojave Desert, Joshua Tree National Monument, E side of Hexie Mtns., along Ruby Lee Well Road. 823 Comment
  POM12877  Pteridium aquilinum var. pubescens P. A. Munz 1922-7-5 6012 Riverside Tahquitz Valley, San Jacinto Mountains 2194 Comment
  UC218675  Pteridium aquilinum var. pubescens P. A. Munz 1922-7-7 6035 Riverside Tamarack Valley; San Jacinto Mts 2804 Comment
  CLARK-A1528-3794  Pterostegia drymarioides John C. Roos 1952-3-19 5397 Riverside Box Springs Mountains 457 Comment
  RSA495414  Pterostegia drymarioides Steve Boyd, Tim S. Ross, L. Arnseth 1989-3-12 2943 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  SDSU12923  Pterostegia drymarioides Jutta Buschbom 1991-3-6 47 Riverside SE-slope, N-Border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the fieldstation. Santa Margarita Ecological Reserve, Temecula. Comment
  UC6927  Pterostegia drymarioides Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  UCR165393  Pterostegia drymarioides A. C. Sanders 2005-4-21 29570 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  UCR47202  Pterostegia drymarioides B. G. Pitzer, L. F. LaPre 1987-3-2 0424 Riverside Peninsular Range, Bundy Canyon, c. 2 miles SE of Lake Elsinore, 0.5 mile north of Bundy Canyon Road off Raciti Rd. 703 Comment
  JEPS18607  Purshia tridentata var. glandulosa W. L. Jepson 1914-5-18 5988 Riverside w of Pinyon Well; Colorado Desert, Lookout Mt. Comment
  RSA449651  Purshia tridentata var. glandulosa N. R. Zabriskie, W. M. Zabriskie 1972-3-30 489 Riverside Carrizo Rd. (6S03) west of Sugarloaf Mtn., south of Hwy 72., Santa Rosa Mts. 1220 Comment
  UCD170875  Quercus Jeremiah George 2012-8-13 s.n. Riverside San Gorgonio Pass/Moreno Badlands, west of Beaumont, just east of junction of 60 Fwy and Jackrabbit Trail, off frontage road dead end. 716 Comment
  UCSB41252  Quercus X acutidens Cowan, Clark 1978-4-25 Riverside 6.7mi (10.7 km) SW on 74 from jct w/ 71, 4.6 mi (7.3 km) from Lake Elsinore, Sta. Ana Mts. Cleveland Nat. For.; Whittaker transect #W-229 Comment
  RSA0081317  Quercus berberidifolia Mitch Provance, Jeremiah George 2012-8-4 812 -32 Riverside Western Riverside County: Badlands south of Beaumont, Potrero Creek, E side of Highland Springs Ave., between Breckenridge and the entrance to Potrero. 752 Comment
  RSA475286  Quercus berberidifolia Steve Boyd 1987-11-23 2097 Riverside Mt. Russell, N of Lake Perris, Moreno Valley. 762 Comment
  UCR106910  Quercus berberidifolia D. L. Banks, Lauren Raz 1996-11-5 1165 Riverside Agua Tibia Mountains, Pechanga Indian Reservation, SE of San Gabriel Church; along a newly established firebreak along a E facing ridge south of the Southern fork of Pechanga Creek 488 Comment
  UCR138558  Quercus berberidifolia Steve Boyd, D. E. Bramlet 1988-10-8 2875 Riverside San Jacinto Mtns. area, Cahuilla Mountain, SW of Anza at head of Bautista Canyon, along the crest of the mountain 1707 Comment
  UCR250002  Quercus berberidifolia Jeremiah George 2012-8-13 s.n. Riverside San Gorgonio Pass/Moreno Badlands, west of Beaumont, just east of junction of 60 Fwy and Jackrabbit Trail, off frontage road dead end 716 Comment
  UCR270178  Quercus berberidifolia A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42399 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  UCD170551  Quercus chrysolepis D. O. Burge 2017-5-20 2279 Riverside San Jacinto Mountains, Lake Fulmore area, University of California James Reserve. 1640 Comment
  RSA592669  Quercus cornelius-mulleri Scott D. White, D. Haselfeld 1996-7-2 4261 Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  UCD45607  Quercus cornelius-mulleri J. M. Tucker; D. Q. Cavagnaro 1965-10-2 3887 Riverside Joshua Tree National Monument, Riverside County, California. Comment
  POM122565  Quercus kelloggii Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  CAS-BOT-BC104311  Quercus palmeri Philip A. Munz 1946-10-19 11571 Riverside Burnt Valley, about 5.2 mi E of Anza 1310 Comment
  RSA477128  Quercus turbinella Julian P. Donahue 1984-10-6 90405 Riverside Pinyon Crest, Pinyon Flat, between San Jacinto & Santa Rosa Mts. 1250 Comment
  RSA762184  Quercus wislizeni Peter Guiden, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 75 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA125969  Quercus wislizeni var. frutescens E. K. Balls, P. C. Everett 1957-11-4 22749 Riverside Snow Creek near old Fish Hatchery, north base San Jacinto Mountains. 701 Comment
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Jun 13 2008
  SBBG93121  Rafinesquia californica D. Mitchell 1990-4-30 Riverside W side of Sage Rd, ca. 0.5 mi S of intersection with Wilson Valley Rd 701 Comment
  RSA357783  Rafinesquia neomexicana R. F. Thorne, M. Z. Thorne 1973-3-30 42670 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  RSA776249  Rafinesquia neomexicana Duncan S. Bell 2010-3-20 632 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  UC566695  Rafinesquia neomexicana Margaret Stason 1927-3-12 Riverside Colorado Desert, Painted Canyon Comment
  RSA0086970  Rafinesquia neomexicana R. S. Woglum 1934-3-18 647 Riverside San Jacinto Mountains, Coachella Valley, Snow Creek. Comment
  UC1260165  Ranunculus aquatilis var. capillaceus Robert F. Thorne 1974-5-23 44679 Riverside e Redondo Mesa; Santa Rosa Plateau, Rancho California 609 Comment
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Aug 19 2010
  POM13799  Ranunculus cymbalaria var. saximontanus P. A. Munz 1922-4-30 5139 Riverside Tucalota Creek, south of Hemet Comment
  UCR248003  Ranunculus muricatus O. F. Clarke 2010-4-16 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  POM246569  Rhamnus crocea B. D. Stark 1933-2-19 4530 Riverside 2.5 mi. East of Nuevo. 762 Comment
  POM12894  Rhamnus tomentella subsp. tomentella P. A. Munz 1922-6-25 5817 Riverside Santa Rosa Mountains; Road to Santa Rosa. 1524 Comment
  UC2030136  Rhaponticum repens Scott D. White 7770 Riverside CITY OF MURRIETA: Vacant lot on N corner at intersection of Jefferson Av. and Murrieta Hot Springs Rd. Comment
  CAS-BOT-BC200035  Rhododendron occidentale var. californicum Robert F. Thorne; J. P. Simon; C. W. Tilforth 1969-6-24 38120 Riverside San Bernardino National Forest, San Jacinto Mts.: Above & in James Reserve 1676 Comment
  CAS-BOT-BC200731  Rhus aromatica Peter H. Raven 1958-5-18 12980 Riverside 3.0 miles east of junction to Aguanga, San Jacinto Mountains Comment
  UCR265587  Rhus aromatica Angelique Herman, Keir Morse, Nick Regoli, Eric Lumba 2015-3-15 2015- 12 Riverside Santa Rosa/San Jacinto Mountains, Pinyon Flats Campground 1220 Comment
  RSA613893  Rhus lancea A. C. Sanders, P. Mackay, T. Thomas, G. Helmkamp 1997-2-8 19686 Riverside Palm Springs area, Murray Canyon off Palm Canyon. 244 Comment
  UCR136413  Rhus laurina A. C. Sanders 2004-6-20 28235 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd., wash near I-15 & Temescal Cyn. Rd., west of main clay pit 305 Comment
  RSA776283  Rhus ovata Thomas Stoughton, Christi Gabriel, Stephanie Rockwod 2011-3-29 885 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 915 Comment
  UC1130518  Rhus ovata A. Lewis 1933-2-2 151 Riverside Lewis Valley 701 Comment
  UCD116941  Rhus ovata G. L. Webster; R. Hildreth 1966-12-11 7472 Riverside Aguanga Valley, hillsides above Aguanga. Comment
  UCSB3756  Rhus ovata Haller, John 1950-5-21 Riverside San Jacinto Mountains; Pinon Flat 1219 Comment
  CLARK-A1528-2406  Rhus trilobata John C. Roos 1948-5-15 3831 Riverside Eagle Mountains Comment
  UC1127366  Ribes amarum A. Lewis Mar 1934 352 Riverside Sugarloaf Peak Cleveland National Forest, Corona Quadrangle Comment
  CLARK-A1528-4129  Ribes indecorum John C. Roos 1947-3-15 3341 Riverside San Jacinto Mountains Comment
  UCR102735  Ribes indecorum B. G. Pitzer 1998-1-25 3427 Riverside Lakeview Mtns, Pulsar View Road, c. 0.5-0.75 mile uphill from the water tank at base of hills on Warren Road; c. 1 mile (airline) north of Juniper Flat Road 610 Comment
  UCR97319  Ribes quercetorum Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4073 Riverside Peninsular Range, Vail Lake Area, E flank of Oak Mtn, just south of E summit. 701 Comment
  UCR24947  Ribes roezlii A. C. Sanders 1980-7-18 1658 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  RSA662133  Ricinus communis Carol Zuck 1981-2-16 32 Riverside 1 mi east of I-15 on Cajelco Rd. Comment
  UCR251867  Romneya coulteri M. A. Voeltz 2014-5-25 s.n. Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon near Corona, Cleveland National Forest, Trabuco Ranger District 403 Comment
  POM319082  Romneya coulteri Patricia Wilder 1970-10-15 4818 Riverside Prado Dam; by entry gate on west end of top of dam; Chino Hills; Santa Ana River. 183 Comment
  CLARK-A1528-4880  Rorippa nasturtium-aquaticum John C. Roos 1937-5-23 2341 Riverside La Sierra Comment
  UCR216238  Rorippa nasturtium-aquaticum Mike Bell 2008-4-27 049 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, Adobe Loop Trail 538 Comment
  UCR77586  Rorippa palustris subsp. occidentalis Steve Boyd 1991-7-13 6407 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
  POM158410  Rosa californica Philip A. Munz 1927-5-21 10887 Riverside 15 miles south of Hemet. Comment
  RSA0086464  Rubus ursinus Mitch Provance 2013-4-8 413 -11 Riverside San Bernardino Valley: Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave. 226 Comment
  UCSB14952  Rumex californicus Breedlove, Dennis 1961-8-5 Riverside along Fuller Mill Creek; 0.5 mile upstream from point where creek crosses Riverside Highway 1; San Jacinto Mountains 1645 Comment
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Nov 24 2014
  UCR20814  Rumex dentatus A. C. Sanders, Steve Boyd 1980-5-19 1475 Riverside Perris-Aguanga Basin, upper edge of Lake San Jacinto near Quail Lake Golf Course. Gilman Springs Road c. 1.5 mi northwest of Jackrabbit Trail. 442 Comment
  UCR116591  Rumex obtusifolius A. C. Sanders, T. B. Salvato 2001-5-24 24368 Riverside Perris-Aguanga Basin, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. [Calle] Pina Colada 345 Comment
  UCR266820  Rumex pulcher D. E. Bramlet 2005-7-13 3894 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, San Jacinto Wildlife Area, east of old San Jacinto River channel, margin of flooded ponds 433 Comment
  UCR39467  Rumex salicifolius var. denticulatus A. C. Sanders 1980-7-22 1733 Riverside San Jacinto Mtns, along road 5S09 between the USC Idyllwild campus (Isomata) and Alvin Meadow; about 0.25 mi from Isomata 1524 Comment
  UCR95956  Rumex salicifolius var. denticulatus Scott D. White 1996-8-1 4430 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  SBBG45005  Ruppia maritima L. C. Wheeler 1931-11-26 374 Riverside Salton Sea, 2 mi SE Salton Bench Mark Co -76 Comment
  CLARK-A1528-5727  Ruta graveolens John C. Roos 1948-2-21 3771 Riverside Reche Canyon 457 Comment
  UCSB1860  Sagina decumbens subsp. occidentalis Haller, John 1950-5-21 Riverside San Jacinto Mtns.; near notheast shore of Hemet Lake 1463 Comment
  SD186015  Sagittaria latifolia S. J. Myers 1996-5-17 Riverside Corona, River Road bridge over the Santa Ana River. 152 Comment
  HSC27202  Salazaria mexicana J. P. Smith, J. O. Sawyer 1973-6-10 6889 Riverside Joshua Tree National Monument. Comment
  RSA38271  Salazaria mexicana P. A. Munz 1946-10-20 11576 Riverside Palms to Pines Hwy, 11.5 miles south of Palm Springs to Indio Road. Comment
  RSA605176  Salazaria mexicana A. C. Sanders 1995-3-5 15988 Riverside Colorado Desert: Orocopia Mtns, Maniobra Valley, 1.6-3 mi. S of frontage road (old 60) along I-10, S to edge of BLM wilderness. 555 Comment
  UC506454  Salix exigua Carl Hedin and Joseph Ewan 1932-7-9 7676 Riverside Chico Creek near Prado (Rincon) below Corona Comment
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Dec 11 2011
  UCR178565  Salix exigua R. G. Swinney 1967-3-5 0062 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 381 Comment
  SBBG58920  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-12 600 Riverside E side of bridge over Santa Ana River, 4.8 km N of Arlington on rd to Pedley, W of Riverside 240 Comment
  UC494325  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-12 604 Riverside 4.8 km. n Arlington (rd. to Pedley, w of Riverside, e side of bridge over Santa Ana R.) 240 Comment
  CAS-BOT-BC108107  Salix gooddingii Henry Pelouze De Forest 1932-1-1 s.n. Riverside Santa Ana River bed and banks, near Riverside Comment
  RSA715051  Salix gooddingii A. C. Sanders, T. B. Salvato 2003-5-21 26785 Riverside Elsinore Valley: Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  CAS-BOT-BC108214  Salix hindsiana Mrs. H. P. Bracelin 1932-4-12 600 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  SEINET10626142  Salix laevigata Greg Gust, Leith Nye 2005-3-11 Gust 546 Riverside Cleveland National Forest. Just off of Hwy 74 opposite El Cariso Campground on washed out forest road. 762 Comment
  UCR109734  Salix lasiolepis R. E. Orth 1963-3-8 s.n. Riverside Riverside, Santa Ana River 213 Comment
  UCR114320  Salix lasiolepis Mitch Provance 1998-3-21 270 Riverside Jurupa Hills, Sunnyslope, near the Ormand Quarry, at the corner of 30th St. and Sierra Ave. 274 Comment
  SD122176  Salsola australis James C. Dice, J. DeWald 1987-9-28 730 Riverside North side of Temecula Gorge, near entrance to field station site, ca. 4.5 km eastnortheast of Gavilan Mountain. 330 Comment
  UCR198266  Salsola australis B. Villegas 2002-8-19 239 -2 Riverside South Coast, Temecula, Hunter property, Via Vaquero at Gillespie Court Comment
  UCR261417  Salsola paulsenii A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41424 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 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
  UCSB1715  Salsola tragus Ballard 1954-10-30 Riverside 3 mi. south of Chino's Men Reform Institute 198 Comment
  RSA0094963  Saltugilia australis A. C. Sanders, Giles Waines, Ehdaie, Aryavand 1997-3-12 s.n. Riverside Lake Skinner area; Lower Rawson Canyon, NE of the lake and SW of Black Mtn., along the road. 518 Comment
  RSA757725  Saltugilia australis LeRoy Gross, Jackie McConnaughy, Andrew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4358 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon., Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  RSA771350  Saltugilia australis Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4480 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  CAS-BOT-BC232923  Saltugilia latimeri Lewis S. Rose 1937-4-9 37124 Riverside Palms to Pines Highway, 18 miles W of Indio 1036 Comment
  UCR119838  Saltugilia latimeri Leigh A. Johnson 1992-5-15 92- 021 Riverside Santa Rosa mtns, Pinyon Flats, half way between Palm Canyon Drive and Jeraboa Road, c. 100-200 yards north of the road near a rocky outcrop 1280 Comment
  UC23851  Saltugilia splendens subsp. splendens H. M. Hall June, 1901 2211 Riverside vicinity Strawberry Valley (San Jacinto Mountains, Southern California); San Jacinto Mountains, vicin Strawberry Valley 1600 Comment
  SEINET7073440  Salvia carduacea A. G. Vestal 1963-4-25 s.n. Riverside About 6.8 miles south of Sage on Route 3. Coordinate datum: NAD27. Comment
  IRVC2084  Salvia columbariae M. Cadnum 1965-4-3 none Riverside Lake Elsinore. southern coastal Comment
  SD249232  Salvia columbariae J. Mark Porter, Lauren E. Machen 1997-2-15 11422 Riverside North of Interstate 15 at the Lake Street/Walker Canyon exit, 4.4 miles NE of the Highway 74 exit at Lake Elsinore. 390 Comment
  SFV4255B  Salvia columbariae W. A. Emboden, Jr. 1962-4-26 2050 Riverside Roadside 2 miles west of Anza on road from Anza to Highway 79. -15 Comment
  UC1124723  Salvia columbariae H. S. Yates 1937-3-23 6411 Riverside 3 mi n Palm Springs; San Jacinto Quad. 213 Comment
  UC1979864  Salvia columbariae Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 892 Riverside Transverse Ranges; San Bernardino Mountains region: Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon. Comment
  UCR226056  Salvia columbariae A. C. Sanders, Nathan Moorhatch 2011-3-22 38773 Riverside Peninsular Range, powerline corridor through hills 6.4 km SW of Perris, east of Hwy 74 and south of Ethanac Rd. 506 Comment
  UCR234286  Salvia columbariae A. C. Sanders, John F. Green 2012-4-6 40003 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, along old (c. 1926) Corona-Elsinore RR route, between I-15 and Temescal Cyn. Rd., c. 10 miles south of Corona, SE of mouth of Mayhew Cyn. 325 Comment
  RSA779748  Salvia greatae Duncan S. Bell, Joshua Paolini, Christopher Galley 2011-7-8 2749 Riverside Salt Creek between the Orocopia Mountains and the Chocoloate Mountains, on the north side of the Bradshaw Trail approximately 3.6 air miles northeast of the junction of the Coachella Canal road and Bradshaw road. 181 Comment
  RSA614399  Salvia mellifera D. L. Banks 1997-3-16 1533 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound. 567 Comment
  UCLA69866  Salvia pachyphylla J. Ewan 1930-8-31 2149 Riverside trail out of Tahquitz Valley; San Jacinto Mountains 2651 Comment
  SEINET2077546  Salvia pachyphylla S. Rhodes, L. Brandt, R. Taylor, M. Hansen 1999-1 Riverside Comment
  CLARK-A1528-381  Sambucus mexicana C. M. Flanagan 1973-5-31 OO 635 Riverside Morongo Indian Reservation 853 Comment
  RSA33583  Sambucus mexicana N. C. Cooper 1944-5-19 1289 Riverside Banning. 701 Comment
  RSA650331  Sambucus mexicana W. A. Reinke 1971-5-8 s.n. Riverside 7mi. N. of 2nd St. on [Highway] 71-74, Elsinore. Comment
  SEINET13945113 Image available Sanicula arguta A. C. Sanders, T. Glenn 1983-1 3733 Riverside Mesa de Colorado, Santa Ana Mountains, 5 miles(airline) SW of Murrieta. (Near 1176 17' W, 33 deg. 31' N). 610 Comment
  JEPS970  Sanicula tuberosa S. B. Parish 1891-4-1 Riverside Reche Canyon; Southern California, Reche Canyon Comment
  UCR155296  Sarcostemma cynanchoides T. B. Salvato, Kent Beaman 2005-5-16 791 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  CLARK-A1528-1467  Sarcostemma cynanchoides subsp. hartwegii John C. Roos 1952-8-27 5891 Riverside Reche Canyon 457 Comment
  UC1123579  Sarcostemma cynanchoides subsp. hartwegii H. S. Yates 1936-4-6 5407 Riverside Palm springs San Jacinto Quad., Palm springs Comment
  JEPS27445  Sarcostemma hirtellum W. L. Jepson 1928-4-25 12627 Riverside s. Mohave Desert, Pinto Basin 1676 Comment
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Dec 26 2016
  UC1080460  Sarcostemma hirtellum P. C. Everett and E. K. Balls 1958-4-29 23029 Riverside 24.6 mi. n.e. from Desert Center (on rd. to Rice and Vidal Junction) 487 Comment
  RSA776352  Schismus barbatus Duncan S. Bell, Amanda Turek 2010-4-10 802 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  UCD93094  Schismus barbatus Collector unknown 1951-1-1 s.n. Riverside Palm Springs. Comment
  UCR152526  Schismus barbatus A. C. Sanders 2005-4-22 29615 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  RSA658236  Schismus barbatus A. Sleigh, A. Haimov 1992-5-19 119 Riverside 40 meters east of Davis Road, 1.5 miles north of Ramona Expressway, San Jacinto Wildlife Area. Comment
  UCR20374  Schoenoplectus acutus var. occidentalis John C. Roos, L. Roos 1952-6-10 5761 Riverside San Bernardino Valley Region, Fairmont Park in Riverside, edge of lake 259 Comment
  UCR92307  Schoenoplectus acutus var. occidentalis Scott D. White, S. Ogg 1994-10-17 2470 Riverside Temecula Valley, Murrieta Creek, 1000-3000 ft. south of Winchester Road bridge (Banana Avenue) 317 Comment
  UCR235087  Schoenoplectus californicus A. C. Sanders, John F. Green 2012-5-27 40209 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River north of Canyon Lake, between Hwy 74 and Goetz Rd. 428 Comment
  POM1421  Scirpus acutus var. occidentalis D. L. Crawford, I. M. Johnston 1917-6-9 1226 Riverside Santa Ana River near Corona Comment
  POM7654  Scrophularia californica subsp. floribunda H. M. Hall 1902-4-21 2936 Riverside Vicinity of Riverside, Gavilan hills. 457 Comment
  UCR193732  Scutellaria bolanderi subsp. austromontana A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35648 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1555 Comment
  RSA445381  Scutellaria tuberosa N. C. Cooper 1947-4-5 2116 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  UCR79256  Scutellaria tuberosa subsp. australis Steve Boyd, T. S. Ross 1992-5-4 7187 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero 732 Comment
  HSC920  Selaginella bigelovii L. S. Rose 1966-12-14 66107 Riverside Chino Canyon, 3 mi. W of Palm Springs 671 Comment
  POM12528  Selaginella bigelovii Philip A. Munz 1922-3-12 4715 Riverside Andreas Canyon Comment
  RSA23190  Selaginella eremophila Ira L. Wiggins 1938-3-25 8925 Riverside Eagle Canyon, 3-5 miles south of Palm Springs. Comment
  UCR85318  Selaginella eremophila A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16152 Riverside San Jacinto Mtns foothills/Sonoran Desert, Coachella Valley; alluvial fan of Chino Canyon along the Palm Springs tram road, north of the road, 14 telephone poles above Hwy 111/Palm Canyon Dr. 300 Comment
  HSC85281  Senecio californicus Steve Boyd 1986-5-1 1822 Riverside S slopes of Bachelor Mtn, E end of Lake Skinner Comment
  POM15177  Senecio californicus Mary F. Spencer 1922-4-23 291 Riverside Maillard Canyon, prope [near] Banning. 701 Comment
  CAS-BOT-BC364136  Senecio mohavensis Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2197 Riverside Northwest end of the McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA94665  Senecio mohavensis F. W. Peirson 1927-4-12 7156 Riverside In Painted Canyon near Mecca. Comment
  RSA614654  Senecio vulgaris A. C. Sanders 1997-3-1 19703 Riverside Box Springs Mtns.: Coyote Hill (Bench Mark ''Versity'', 1386 ft.) and ridge S and SE of the UCR Botanic Garden. 427 Comment
  UCR24163  Senecio vulgaris John C. Roos 1967-2-7 s.n. Riverside San Jacinto Valley, City of Hemet 518 Comment
  POM13744  Senecio vulgaris E. C. Jaeger 1921-6-12 1192 Riverside Fairmount Park, Riverside Comment
  SD229165  Senegalia greggii Dick Schwenkmeyer 2012-11-6 863 Riverside Palm Canyon, Ague Caliente Indian Reservation, 2.6 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 178 Comment
  SBBG112480  Senna armata C. Bornstein 1994-5-2 Riverside Randolph Ranch, Joshua Tree Nat Monument 1280 Comment
  OBI40097  Sesbania herbacea A. C. Sanders 1985-8-24 5950 Riverside Near Oasis in the lower Coachella Valley, On the E side of hwy 195, ca 1/2 mi N of the intersectin with Hwy 86 and just N of Ave. 76 52 Comment
  UCR145577  Sesuvium verrucosum Chet McGaugh 2004-11-15 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, 1 mile south of Thermal, parcel bounded by Ave. 58 & Ave. 60 on the north and south and by Polk and Filmore on the west and east, between the airport and Whitewater River -41 Comment
  UCR207321  Setaria viridis O. F. Clarke 2001-6-10 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 412 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
  UCR100568  Sibaropsis hammittii Steve Boyd, T. S. Ross 1992-4-1 6775 Riverside Santa Ana Mountains, Elsinore Peak area, south of Lake Elsinore. S base of peak (3448') to SE of Elsinore Peak. 1000 Comment
  LA205908  Sidalcea malviflora O. A. Plunkett; 1926-4-18 sn Riverside Temecula Comment
  UCR116849  Sidalcea malviflora A. C. Sanders, Steven R. Hill 2001-5-4 24143 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  RSA650131  Silene gallica Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. 609 Comment
  SD187389  Silene gallica Scott D. White, Angelia Carey 2004-4-16 10188 Riverside Indian Creek and adjacent slopes. 548 Comment
  RSA801946  Silene verecunda subsp. platyota LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6157 Riverside Along road (5S24). End of Marion Ridge road, south of the community of Pine Cove. Ridge running south down to Idyllwild school of performing arts, west of Strawberry Valley. 1799 Comment
  SD181611  Silene verecunda subsp. platyota Scott D. White, Tasha LaDoux 2000-4-20 7712 Riverside South of Hemet, 'Gibbel Flat', in the Santa Rosa Hills. Scarce in crevices among rocks. 609 Comment
  UCR35133  Silene verecunda subsp. platyota L. B. Ziegler 1968-6-11 310 Riverside San Jacinto Mtns, Hemet Valley (= Garner Valley) 1418 Comment
  CAS-BOT-BC202946  Simmondsia chinensis P. C. Everett 1939-7-7 9524 Riverside North of Temecula-Aguanga Rd. on road to Hemet 762 Comment
  CLARK-A1656-745  Simmondsia chinensis Theo Glenn 1979-3-28 Riverside San Jacinto Mountains Comment
  UC869416  Simmondsia chinensis N. Dunn and A. M. Martin Mar 26 1932-Mar 27 1932 Riverside Cottonwood Spring Comment
  UCR17614  Simmondsia chinensis N. R. Zabriskie, W. W. Zabriskie 1970-3-28 276 Riverside Sonoran (Colorado) Desert, Andreas Canyon, near Palm Springs. c. 25 ft. downstream from 277, alongside trail, 75 ft. south of Andreas stream, opposite mouth of 'North Canyon 366 Comment
  UCR245237  Simmondsia chinensis Jim Andre 2012-3-19 21326 Riverside Sonoran (Colorado) Desert, north end of Chuckwalla Mountains at Jaeger Nature Sanctuary, 1.5 mi. south of junction Eagle Mt Rd and I-10 freeway 411 Comment
  JOTR33795  Sisymbrium altissimum La Doux, Tasha, A. Miller 2007-5-8 3308 Riverside Joshua Tree National Park. Lost Horse Valley, south of Hidden Valley Campground on Keys View Road (stop 2) 1371 Comment
  SEINET3563011 Image available Sisymbrium altissimum Ricardo Montijo 1990-4-27 Riverside Rancho California area: E of Santa Rosa Plateau, Green Meadow Road off of de Portoloa Road. (Sage 7.5' USGS quad.) Comment
  SD132409  Sisymbrium erysimoides O. F. Clarke 1973-4-1 Riverside Riverside, Corner of Spruce and Rustin Streets. Comment
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Mar 4 2017
  UCD115450  Sisymbrium erysimoides O. F. Clarke 1977-10-24 s.n. Riverside UCR campus, in the garden east of the Argicultural Extension Office. Comment
  UCR213471  Sisymbrium erysimoides A. C. Sanders 2010-5-19 38416 Riverside Peninsular Range/San Bernardino Valley, Riverside, western end of North Hill, edge of Fairmont Park, above intersection of Redwood Dr. and Randall Rd. 250