Search Results — 2000 specimen records retrieved (1921 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 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
  SBBG94854  Abies concolor F. C. Vasek 1977-11-25 771125 -8 Riverside Cinco Posos Spring below Black Mtn Lookout Comment
  SD132531  Abies concolor F. C. Vasek, K. Neisses 1979-7-26 790726 3 Riverside Santa Rosa Mountains, north of Toro Peak at Virgin Spring Comment
  CAS-BOT-BC229327  Abronia villosa Javier Penalosa 1963-4-10 2774 Riverside Deep Canyon, 3mi. south of Palm Desert 213 Comment
  RSA461185  Abronia villosa var. aurita H. de Forest 1924-3-28 s.n. Riverside Palm Springs. Comment
  SD127578  Abronia villosa var. villosa David Charlton 1988-2-19 1208 Riverside Orocopia Mountains, mudstone wash north of Mecca Hills. Box Canyon on road between Cottonwood Wash and Mecca, near Mecca. Comment
  UCR16991  Abutilon theophrasti O. F. Clarke 1970-8-27 200 Riverside residence of Mrs. H.J. Baertschiger, Murrieta Comment
  RSA727392  Acacia greggii Naomi Fraga, Lisa Rojas 2005-2-10 1381 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCR201843  Acacia redolens Justin M. Wood 2008-10-29 211 Riverside SW Perris Basin, Temecula - Murrieta Creek, downstream of First Street Bridge 320 Comment
  RSA696775  Acamptopappus sphaerocephalus W. Blanchard 1932-4-16 s.n. Riverside Palm Spring Station. Comment
  JOTR34399  Acamptopappus sphaerocephalus var. sphaerocephalus Andre, Jim 2012-4-16 20933 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 2.4 miles north Cottonwood Visitor's Center 955 Comment
  RSA752817  Achillea millefolium A. C. Sanders, Tim Thomas 2008-8-1 35955 Riverside lower Coldwater Creek near Mountain Center, SSE of Keenwild Fire Station 1372 Comment
  UC39992  Achnatherum parishii H. M. Hall June 1901 Riverside Kenworthy San Jacinto Mountains 1371 Comment
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Mar 25 2011
  CHSC35868  Achnatherum speciosum Paul Bailey 1972-5-14 127 Riverside 6 miles NW of Aguanga near Hwy R-3 in Lancaster Valley. 365 Comment
  RSA771664  Achnatherum speciosum Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4904 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
  UC69342  Achnatherum speciosum W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1896 Riverside Coyote Canyon Santa Rosa Mt. 1676 Comment
  RSA503144  Achyronychia cooperi Gary D. Wallace, D. H. Wilken 1966-3-26 261 Riverside Indio Hills 70 Comment
  SBBG71599  Achyronychia cooperi M. N. Ackley 1928-3-25 81 Riverside Palm Springs to Indio 60 Comment
  SEINET3005054  Achyronychia cooperi G. Rink 2011-4-29 10492 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe, sandy 91 Comment
  UCR85253  Achyronychia cooperi A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16187 Riverside Western Colorado Desert, Coachella Valley, Willow Hole, 4 miles south of Desert Hot Springs. 213 Comment
  SDSU12998  Acmispon americanus var. americanus Michael G. Simpson 1999-10-27 2032 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  SD255718  Acmispon glaber var. brevialatus Mitch Provance 2012-5-24 512 12 Riverside San Bernardino Mountains: Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. (Beaumont 7.5'Q) 868 Comment
  HSC98288  Acmispon heermannii D. W. Snell 1964-3-26 25 Riverside 1.5 mi. E of Hwy. 79, 5 mi. S of Hemet. Comment
  SBBG67449  Acmispon nevadensis var. davidsonii Mrs. J. D. Wright 1929-6-25 Riverside San Jacinto Mtns [probably near Idyllwild] Comment
  CHSC109255  Acourtia microcephala Scott D. White; Justin M. Hood 2008-6-18 12202 Riverside Hiking trail from K flat to Apple Canyon Road. T 5S, 6S R 3E S33, 4. 33 deg. 4241 min. N; 116 deg. 40 min W. 1396 Comment
  UCR71763  Acrachne racemosa L. F. LaPre, Megan Phillips 1991-9-9 91- 18 B Riverside Sonoran (Colorado) Desert, Palm Springs, Tahquitz debris basin at base of Tahquitz Canyon, off Sunnydunes Drive 183 Comment
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Sep 10 2011
  CAS-BOT-BC133137  Adenostoma fasciculatum Cecil Hart 1922-5-21 18 Riverside San Jacinto Pk. Comment
  SD143760  Adenostoma fasciculatum Scott D. White 1997-5-25 5245 A Riverside San Jacinto Mts., Bautista Canyon: Hixon Trail, between trailhead at Bautista Cyn Road and intermittent stream crossing 975 Comment
  UCD112621  Adenostoma fasciculatum Geoffrey Levin 1975-5-9 497 Riverside Dripping Springs Forest Service Station, Cleveland National Forest. 487 Comment
  HSC47360  Adenostoma sparsifolium Richard Spjut, C. E. Edson 1978-4-24 4950 Riverside Along Hwy. 71 between jct. of Hwy. 74 and Anza in San Jacinto Mtns. 1372 Comment
  LA207891  Adenostoma sparsifolium Carl Epling; 1931-10-4 sn Riverside Hewitt to idyllwild Comment
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Feb 23 2014
  RSA783270  Adiantum jordanii J. D. Olmsted 1959-4-23 458 Riverside Spring Trail at Beacon Pines Ranch; 9 miles SW of Corona 716 Comment
  RSA741208  Agoseris heterophylla Scott D. White, Justin M. Wood 2008-5-15 11959 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. 1357 Comment
  CLARK-A1528-4445  Agrostis diegoensis John C. Roos 1965-6-30 Riverside Santa Ana Mountains Comment
  RSA384966  Agrostis exarata E. A. McGregor 1964-9-15 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  UCR2124  Agrostis idahoensis F. M. Reed 1908-7-14 2473 Riverside San Jacinto Mtns., Meadow in Round Valley 2744 Comment
  UCR194216  Agrostis semiverticillata Scott D. White, Angelia Carey 2004-6-4 10470 Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  UC36991  Agrostis viridis H. M. Hall July, 1901 2252 Riverside Fuller's Mill Mountains San Jacinto Mountains 1615 Comment
  UCR133415  Agrostis viridis Jeffrey Ross, T. B. Salvato 1998-6-9 MOR- 316 A Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Lion Canyon, c. 3.5 miles NNW of Cabazon 854 Comment
  UCR57207  Agrostis viridis Jeri Hirshberg 1989-6-9 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns, S of town of Murrieta. Mouth of a small SW-draining channel on the SW side of Mesa de Burro Comment
  RSA560366  Alchemilla occidentalis Steve D. Boyd 1992-4-14 6815 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of Oak Flats area along Bluewater Tributary from Verdugo Tributary S to crest of ridge W side Bluewater Canyon. 732 Comment
  RSA469418  Aliciella latifolia Robert Gustafson 1980-4-3 1520 Riverside Orocopia Mountains, about 6 miles east of Mecca along Box Canyon Road, south of the road 305 Comment
  UCD117504  Aliciella latifolia James Henrickson 1963-3-29 1198 Riverside 9 miles E of Mecca, along Highway 195. 182 Comment
  POM14992  Allenrolfea occidentalis Mary F. Spencer 1920-3-15 s.n. Riverside Mecca, Colorado Desert. -48 Comment
  SBBG1743  Allenrolfea occidentalis H. and M. Dearing 1940-11-10 5019 Riverside Thousand Palms Cyn Comment
  UCR85162  Allionia incarnata A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16079 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  SBBG47498  Allium haematochiton M. B. Dunkle 1935-3-10 4360 Riverside Glen Ivy 304 Comment
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Apr 10 2016
  CAS-BOT-BC472712  Allium lacunosum var. lacunosum Joy Keck 1935-4-19 3849 Riverside White Tank, S. of Twenty-nine Palms Comment
  RSA286816  Allium lacunosum var. lacunosum Robert F. Thorne 1974-5-23 44661 Riverside Santa Rosa Plateau, Rancho California: Top of Mesa de Colorado, 624 Comment
  RSA70180  Allium munzii F. W. Peirson 1922-4-28 2961 Riverside Temescal Canyon, western Riverside Co.. 320 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
  UCR280619  Allium peninsulare var. peninsulare Mitch Provance, Jeremiah George, Matt K. Beyers 2017-4-3 417- 08 Riverside Gavilan Hills, Alberhill Canyon, dirt road portion of Lake St., about 0.8 miles N of Hwy. 15 at Alberhill. 457 Comment
  RSA367128  Allium praecox B. C. Templeton, C. B. Clokey, I. W. Clokey 1930-4-15 1484 Riverside North of Gavilan Peak. 550 Comment
  UC3117  Allium praecox Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  RSA751510  Aloysia wrightii Jim Andre, Tasha La Doux 2008-9-16 10685 Riverside Joshua Tree National Park: along Bell Mtn. Rd., atop Bell Mtn. approx 0.3 mi. N of radio tower. 1359 Comment
  JOTR35163  Amaranthus albus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3270 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  RSA192207  Amaranthus albus H. A. Zuill 1966-7-7 278 Riverside Beside Tenaja Road near the junction to Santa Rosa Ranch and Tenaja Guard Station, 9-10 miles SW of Murrieta Comment
  UCR167680  Amaranthus albus T. B. Salvato, Melissa Clemons 2005-6-23 1285 Riverside Peninsular Range; Temescal Valley, Alberhill, intersection of Lake Street and Walker Canyon Drive, N of Hwy I-15, at base of Walker Canyon 378 Comment
  UCR92271  Amaranthus albus Scott D. White 1995-8-23 3564 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  RSA596536  Amaranthus albus D. L. Banks, Lauren Raz 1996-8-29 1137 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along Arroyo Seco, N of Wildhorse Peak, before the drainage bends to the S. 548 Comment
  SDSU13826  Amaranthus blitoides W. Miller, C. Mosse 1972-8-9 Riverside Comment
  UC1929320  Amaranthus blitoides Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10669 Riverside San Jacinto Mountain foothills; Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. Comment
  SD146065  Amaranthus californicus A. C. Sanders, Mitch Provance 1999-9-26 23109 Riverside San Jacinto Valley; Mystic Lake, 1.4 miles southeast of Jackrabbit Trail on Gilman Springs Road, 1.4 miles south of Eden Hot Springs. 433 Comment
  UCR92407  Amaranthus californicus F. M. Reed 1933-9-20 8098 Riverside San Jacinto Mtns., N shore of Hemet Lake 1525 Comment
  POM307317  Amaranthus fimbriatus Henry J. Ramsey, Henry J. Ramsey 1939-10-1 2222 Riverside East of Indio. Comment
  UCR247999  Ambrosia confertiflora O. F. Clarke 2009-11-26 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  CAS-BOT-BC22579  Ambrosia dumosa Aven Nelson; Ruth Ashton Nelson 1939-3-30 3340 Riverside On highway 60, near Desrt Center Comment
  LA94842  Ambrosia dumosa T. A. Geissman; 1966-3-12 TAG- 31266 -FDA Riverside Box Canyon, E of Mecca Comment
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Sep 20 2013
  RSA796018  Ambrosia dumosa Duncan S. Bell 2009-4-18 245 Riverside Arica Mountains; northeast of range, approximately 2.25 air miles southwest of the ghost town of Rice. 224 Comment
  UC218034  Ambrosia dumosa P. A. Munz, D. Keck 1922-4-13 4934 Riverside slope of Aushurtz Canyon; Colorado Desert, Eagle Mts. 274 Comment
  UCR228405  Ambrosia dumosa Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-20 143 Riverside Little San Bernardino Mountains, Hwy 177, north of Desert Center and Desert Lily Sanctuary, east of Joshua Tree National Park border 274 Comment
  UCSB7134  Ambrosia dumosa Yokoyama, Howard 1953-3-21 Riverside 9 miles east of Indio Comment
  RSA0008349  Ambrosia pumila R. E. Riefner 1998-9-1 98 -498 Riverside Aguanga, Hwy. 79, Temecula Creek Comment
  CAS-BOT-BC273014  Ambrosia salsola L. R. Abrams 1926-3-26 11021 Riverside Palm Springs Comment
  CAS-BOT-BC273026  Ambrosia salsola Lewis S. Rose 1962-3-2 62013 Riverside La Quinta 3 Comment
  CAS-BOT-BC273038  Ambrosia salsola Geo. B. Grant 1906-5-1 609 -6736 Riverside Colorado Desert at Palm Springs Comment
  RSA0035509  Ambrosia salsola var. pentalepis Deidre Conocchioli, Duncan S. Bell 2014-3-18 261 Riverside In the Orocopia Mountains 11.6 miles NE of the Salton Sea. 1.9 miles N of the Salt Creek drainage; 0.2 miles SW of Gucci Spring. 390 Comment
  JEPS39443  Ambrosia salsola var. salsola I. W. Clokey 1935-4-17 6985 Riverside Cottonwood Springs Comment
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Oct 9 2010
  RSA522282  Amelanchier pallida Steve D. Boyd, C. Boyd, K. A. Boyd 1989-5-13 3592 Riverside Upper Bautista Cyn. just below turnoff to Tripp Flat Ranger Station, foothills of San Jacinto Mtns. Comment
  CAS-BOT-BC142931  Amelanchier utahensis C. B. Wolf 1931-5-11 1955 Riverside Near Pipe Creek, above Hemet Valley - San Jacinto Mts. 1676 Comment
  UC123741  Amorpha fruticosa Fred M. Reed 1904-6-12 599 Riverside above Chinatown ford; Santa Ana River Comment
  RSA145924  Amsinckia intermedia William McKinley Klein, J. E. Klein 1958-2-9 18 Riverside 4.5 mi. northwest of Alberhill (Calif. hwy 71). Comment
  SDSU18969  Amsinckia intermedia C. Matt Guilliams 2008-2-21 462 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. 418 Comment
  UCD119282  Amsinckia intermedia N. Miles Fellows 1985-3-16 102 Riverside Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mile W of Snow Creek Village. 487 Comment
  SD126651  Amsinckia menziesii Jerilyn Hirshberg 1989-3-20 Riverside Santa Rosa Plateau, South of town of Murrieta: Southwest of Mesa de Burro 609 Comment
  POM4022  Amsinckia menziesii var. menziesii I. M. Johnston 1918-4-27 1877 Riverside Near Corona. 274 Comment
  RSA517932  Amsinckia tessellata Steve Boyd 1986-3-1 1372 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park. 640 Comment
  UCR214122  Amsinckia tessellata A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37729 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  SFV21964  Amsinckia tessellata var. tessellata J. N. Hogue 2011-3-27 376 .2 Riverside Colorado Desert Chuckwalla Mountains. Corn Springs Wash at Corn Springs. 490 Comment
  LA202849  Amsonia tomentosa C. L. Hitchcock; 1940-3-31 5882 Riverside 0.5 mi. below Cottonwood Springs Comment
  POM115624  Amsonia tomentosa var. tomentosa A. M. Alexander, Louise Kellogg 1941-4-29 2102 Riverside Ten miles south of 29 Palms. 1159 Comment
  RSA234062  Anagallis minima Robert F. Thorne, E. Lathrop 1969-5-19 37969 Riverside Santa Rosa Plateau: Rancho California, Mesa de Colorado. 625 Comment
  CAS-BOT-BC272870  Ancistrocarphus filagineus Steve Boyd 1986-5-1 1791 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow Comment
  UCR156479  Ancistrocarphus filagineus Jason L. Hlebakos 2005-5-3 621 Riverside Santa Ana Mtns, Open slope east and downslope from Elsinore Peak 1049 Comment
  UCD56048  Andropogon glomeratus Lewis S. Rose 1945-12-23 45298 Riverside Colorado Desert, Palm Springs. 137 Comment
  UCR172206  Anemopsis californica John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley: Leon Road (San Diego Aqueduct right of way) from Borel Road/Tucalota Creek S for c. 0.25 mi 427 Comment
  UCR232038  Anemopsis californica John F. Green 2008-4-22 04- 02 Riverside Peninsular Range, hills south of Perris, powerline route just east of the San Jacinto River, west of Goetz Rd. 438 Comment
  UC29527  Antennaria rosea H. M. Hall 1897-7-22 718 Riverside Round Valley San Jacinto Mt., Round Valley 2834 Comment
  JEPS5297  Antirrhinum coulterianum W. L. Jepson May 17 1901-Jun 1 1901 1256 Riverside near upper San Jacinto Valley (San Jacinto River); San Jacinto River Comment
  RSA72773  Antirrhinum coulterianum Philip A. Munz 1925-5-20 9844 Riverside 2 miles east of Aguanga. Comment
  CLARK-A1045-120  Antirrhinum filipes George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep Canyon; Palm Desert 15'Q Comment
  RSA0123683  Antirrhinum filipes Duncan S. Bell, LeRoy Gross 2016-3-9 8858 Riverside Orocopia Mountains; northwestern section of the range, approximately 6.5 air miles southwest of Chiriaco Summit, collecting in the area know as Hotel California. 775 Comment
  RSA425818  Antirrhinum filipes F. R. Fosberg 1932-3-13 8084 Riverside Thousand Palms Canyon, Coachella Valley. Comment
  SDSU13330  Antirrhinum kelloggii Tom Duffy, Tarja Sagar 2000-4-29 Riverside Two hundred meters NE of Stanta Margrita Ecological Reserve North End. 320 Comment
  SEINET6057800  Antirrhinum nuttallianum Parish, Greata 4746 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  UCR280933  Antirrhinum nuttallianum Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-6-8 617- 09 Riverside Temescal Valley, Indian Wash, SW of I-15, S side of De Palma Rd., about 0.2 mi WNW of inter. with Glen Eden Rd. 366 Comment
  POM354918  Antirrhinum nuttallianum subsp. nuttallianum Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  RSA356719  Antirrhinum nuttallianum subsp. nuttallianum Robert F. Thorne, E. W. Lathrop 1975-5-25 45547 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 610 Comment
  UC444964  Antirrhinum nuttallianum subsp. nuttallianum Edmund C. Jaeger 1927-4-2 Riverside Box Springs Mountains Comment
  UCR91648  Antirrhinum nuttallianum subsp. nuttallianum Steve Boyd 1995-4-24 8488 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on N flank of Agua Tibia Mtn, at N base of Wildhorse Peak. Along the Wildhorse Trail near the NE corner of the Wilderness 671 Comment
  SD28023  Aphyllon cooperi subsp. latilobum Carl B. Wolf 1932-4-29 3113 Riverside Blythe, Rice Road; 4.0 miles south of Browns Well. 213 Comment
  SEINET7063233  Apiastrum angustifolium A. G. Vestal 1963-5-19 s.n. Riverside Open bush country about 3.6 miles northeast of Aguanga on Route 371 [on the Cahuilla Road]. UTM Zone 11, 512930mE, 3702605mN. (WGS84/NAD83). 887 Comment
  UCR116069  Apiastrum angustifolium O. F. Clarke, Jeanine Derby 1974-4-19 s.n. Riverside Lakeview Mountains, c. 2 mi. SSW of Mt. Rudolph, north of Juniper Flat, east of Juniper Flat Rd. and south of Stagecoach Rd., EIR for Tentative Tract 5702 610 Comment
  CLARK-A1528-136  Apium graveolens Margaret Ferro 1970-5-16 19 Riverside Jurupa 365 Comment
  SDSU13348  Apocynum cannabinum Joseph Verfaillie, Shasta Gaughen 2000-4-29 48 Riverside Santa Margarita Eclogical Reserve, (SDSU) The north side of the Santa Margarita river about 1/4 mile west of the pipe line crossing. About 5-15 feet from the river. 235 Comment
  JEPS60401  Aquilegia formosa Carl V. Meyer 1927-6-1 181 Riverside San Jacinto Mts. Comment
  SDSU9933  Aquilegia formosa Garrison 1962-7-29 Riverside 0.25 miles from center of Idyllwild village in dense growth along bank of Strawberry Creek. 1615 Comment
  RSA740071  Arabis glabra Scott D. White, Justin M. Wood 2008-6-16 12134 Riverside Meadow at Quinn Flat. 1378 Comment
  UCR133390  Arabis glabra Tracy Tennant, T. B. Salvato 1998-6-23 483 Riverside San Bernardino Mtns., Morongo Indian Reservation, N end of Hathaway Cyn., c. 0.4 miles east of pk 4265 (polygon 13) 1341 Comment
  RSA66246  Arabis holboellii var. retrofracta E. C. Jaeger 1922-6-29 5442 Riverside Lower Tahquitz Valley 2043 Comment
  RSA740235  Arabis johnstonii Scott D. White, Justin M. Wood 2008-6-17 12191 -C Riverside Morris Ranch Rd. - open area W of Goff Flat. 1616 Comment
  RSA629148  Arctostaphylos Jon E. Keeley 1992-7-17 16771 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  RSA629172  Arctostaphylos Jon E. Keeley 1992-7-17 16791 Riverside Road to Thomas Mountain (5S15), 5.2 km north of Toolbox Spring. 1840 Comment
  RSA629378  Arctostaphylos glandulosa Jon E. Keeley 1992-4-17 15090 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA629436  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19530 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629447  Arctostaphylos glandulosa Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20174 Riverside Truck trail on north-face of Santa Rosa Mountain, ca. 4 km south of Pinyon Pines, Santa Rosa Mountains. 1430 Comment
  UCR269229  Arctostaphylos glandulosa A. C. Sanders, T. B. Salvato, Cecile Shohet 2016-2-28 42002 Riverside Peninsular Range; San Jacinto Mtns., Hwy 243 just below (c. 0.2 km north of) turnoff to Poppet Flats 1276 Comment
  RSA552735  Arctostaphylos glandulosa subsp. glandulosa Steve Boyd, T. S. Ross, Orlando Mistretta 1992-3-31 6756 Riverside San Mateo Cyn. Wilderness Area. Tenaja Trail from jtn w/ Morgan Tr. S to Pigeon Spring area. 670 Comment
  SDSU13500  Arctostaphylos glandulosa subsp. glandulosa W. Miller with C. Mosse 1972-7-20 Riverside Comment
  SD255138  Arctostaphylos glandulosa subsp. glandulosa R. F. Thorne, E. W. Lathrop 1977-5-18 49727 Riverside Santa Ana Mountains: Bear Spring (east slope of Santiago Peak). Comment
  RSA631744  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15080 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA631750  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19265 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA632652  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16536 Riverside Red Mountain Road, 6-6.8 km east of R3. 1015 Comment
  UCR278097  Arctostaphylos glauca A. C. Sanders, Amy Litt, Yi Huang 2017-2-1 42677 Riverside Peninsular Range; San Jacinto Mountains, Along Hwy 74 below Mountain Center and above White Post Turn, c. 3.1 miles below McCall Park Rd. 1216 Comment
  RSA3120  Arctostaphylos glauca var. glauca C. B. Wolf 1932-2-11 2649 Riverside Hidden Canyon 5 mi. W. of Corona at base of Santa Ana Mts. 405 Comment
  RSA633551  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21796 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633569  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16673 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA633620  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16692 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633642  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21763 Riverside Dirt road to Santa Rosa Mountain, 8.6 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1940 Comment
  RSA633715  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16676 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  CAS-BOT-BC46600  Arctostaphylos patula E. K. Balls 1949-5-4 13483 Riverside 2 mi. w. of Fuller Creek Camp Ground, San Jacinto Mts. 1493 Comment
  RSA635307  Arctostaphylos patula Jon E. Keeley, Rx Rothrock 1992-11-11 22537 Riverside Saddle Junction, ca. 2 km northeast of Humber Park, Idyllwild, San Jacinto Mtns. 2400 Comment
  UCR3425  Arctostaphylos pringlei Heidi A. Haid 1964-5-17 64517- 3 Riverside San Jacinto Mtns., c. 1 mi from junction of Hurley Flats Rd and Idyllwild-Banning Rd 1402 Comment
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Feb 3 2017
  RSA635655  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-16 16639 Riverside Road to Santa Rosa Mtn. (7S02), 3.2 km south of Hwy 74. 1625 Comment
  UCR90494  Arctostaphylos pringlei subsp. drupacea F. M. Reed 1933-5-31 7845 Riverside San Jacinto Mtns., Vandeventer Flats 1433 Comment
  SEINET7266493  Arctostaphylos pringlei subsp. drupacea I. W. Clokey, E. G. Anderson 1935-8-21 6784 Riverside Fuller's Creek 1500 Comment
  LA42245  Arctostaphylos pungens W. B. Welch; 1928-5-5 sn Riverside San Jacinto Mountains, Idyllwild Comment
  RSA70413  Arctostaphylos pungens F. W. Peirson 1922-5-20 4465 Riverside Hemet Valley, San Jacinto Mts. 1494 Comment
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Mar 16 2007
  RSA635993  Arctostaphylos rainbowensis Jon E. Keeley 1992-9-26 21611 Riverside W of Hwy 15, 1.5 km S of Temecula. 430 Comment
  SD180721  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-2 403 Riverside Santa Margarita Ecological Reserve, along A!Highlands TrailA(r) at northern rim of mesa-top. 654 Comment
  SDSU17425  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-9 414 Riverside Santa Margarita Ecological Reserve, off dirt road leading from southside facilities to inholding residences. Ca. 200 m west of houses and 10 m south of dirt road. 167 Comment
  UCR18964  Arenaria macradenia var. macradenia John C. Roos 1965-7-22 s.n. Riverside San Jacinto Mtns, Thomas Valley Comment
  SJSU8578  Argemone munita R. C. McGehee 1970-5-1 261 Riverside Graham Pass on Graham Pass Rd between Chuckwalla & Little Chuckwalla Mts, 14 mi S of Interstate Hwy 10 Comment
  CAS-BOT-BC401676  Argemone munita subsp. munita Alice Eastwood 1913-4-30 3109 Riverside Palm Springs Comment
  JOTR35378  Aristida adscensionis Harding, Mitzi, J. Hoines, E. Kramer 2012-2-2 167 Riverside Joshua Tree National Park. southeast Coxcomb Mountains; SE facing slopes and steep drainages 164 Comment
  RSA517248  Aristida adscensionis Steve Boyd, Thomas S. Elias, Kirsten Winter 1986-2-18 1313 Riverside Mecca Hills, Colorado Desert: Painted Canyon N of Highway 195. Comment
  RSA598042  Aristida adscensionis F. M. Reed 1927-3-18 5426 Riverside Colorado Desert: Salt Creek Wash, 20 miles east of Mecca. 152 Comment
  SBBG57071  Aristida adscensionis M. N. Ackley -Mar-1928 51 Riverside Colorado Desert 60 Comment
  UCR92639  Aristida adscensionis George K. Helmkamp 1995-3-16 s.n. Riverside Sonoran (Colorado) Desert, Below Coxcomb Mtns., west of Rice Rd., 10.3 mi. NE of Desert Center 200 Comment
  RSA782353  Aristida purpurea Stephanie Rockwood, Christi Gabriel 2011-10-18 132 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 99 Comment
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Sep 10 2016
  UC1130848  Aristida purpurea H. S. Yates 1937-6-27 6711 Riverside Lower San Jacinto River Canyon San Jacinto Quadrangle Comment
  CAS-BOT-BC137531  Aristida purpurea var. nealleyi Philip A. Munz 1946-10-20 11575 Riverside At edge of Wash, Palms to Pines Highway, 11.5 miles south of Palm Springs to Indio Road. 1036 Comment
  RSA309652  Aristida purpurea var. parishii J. C. Roos 1966-4-29 s.n. Riverside Hills between March AFB and Lakeview. Comment
  UCR71031  Aristida purpurea var. parishii Chet McGaugh 1991-11-26 s.n. Riverside Peninsular Range; So. Santa Ana Mtns., Mesa de Colorado, Santa Rosa Plateau Nature Conservancy Preserve, south flank of the mesa on a south-facing slope 457 Comment
  UC1922712  Aristida purpurea var. purpurea Naomi Fraga, Lisa Rojas 2005-2-10 1417 Riverside Colorado Desert; Northeastern Colorado Desert region: Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. Comment
  CAS-BOT-BC137489  Aristida purpurea var. wrightii H. S. Yates 1937-6-27 6709 Riverside Lower San Jacinto River Canyon. 640 Comment
  UC573790  Aristida ternipes var. hamulosa H. S. Yates 1937-6-27 6710 Riverside Lower San Jacinto River Canyon San Jacinto Quadrangle Comment
  SEINET10842820  Artemisia J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12829 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then ca 1.3 km on Whitewater Canyon Road. Comment
  UCR111608  Artemisia annua O. F. Clarke 1998-9-22 s.n. Riverside Peninsular Range, Riverside, Box Springs Mtns. foothills, weed in the yard at 266 Frost Court, just east of UCR 396 Comment
  RSA543306  Artemisia californica Steve Boyd 1991-3-17 5490 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
  RSA736552  Artemisia californica Scott D. White, Angelia Carey 2004-7-2 10581 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UCR141235  Artemisia californica A. C. Sanders, Mike Misenhelter 2004-10-6 28831 Riverside Santa Ana Mtns./Santa Rosa Plateau, hill 2139 at west end of the Mesa De Colorado, private land on the west side of Via Volcano adjacent to the Santa Rosa Plat. Ecol. Reserve 640 Comment
  RSA520550  Artemisia douglasiana Steve Boyd, David E. Bramlet 1988-10-8 2883 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  SDSU13665  Artemisia dracunculus W. Miller 1972-8-9 Riverside Comment
  UCR100300  Artemisia dracunculus B. G. Pitzer 1997-4-20 3190 Riverside Lakeview Mtns, Intersection of 'Dutton' Street with Voltaire Vista Road. (Note: Dutton ends in T-intersection at Sardis Lane, which makes a 90 deg. E turn onto Brent Lane, which becomes Voltaire Vista Road east of Elton Lane. Therefore, this locality is actually the intersection of Elton Lane & Voltaire Vista Road.) 610 Comment
  LA202958  Artemisia tridentata subsp. tridentata Harlan Lewis; 1939-10-22 1034 Riverside San Jacinto Mountains, Hemet Lake 1371 Comment
  RSA97780  Artemisia tridentata subsp. tridentata Marcus E. Jones 1900-7-13 s.n. Riverside Dripping Spring, near Temecula. 366 Comment
  UC1782174  Artemisia vulgaris O. F. Clarke 2000-12-9 Riverside O. F. Clarke residence, 266 Frost Court 360 Comment
  UC1951126  Asclepias asperula Scott D. White, Justin Wood 2009-5-22 12894 Riverside SAN JACINTO MOUNTAINS: Quinn Flat Meadow. USGS Idyllwild 7.5' Quad. Comment
  UCR117684  Asclepias californica V. W. Steinmann, D. L. Banks 1997-3-13 1199 Riverside Agua Tibia Mtns., N of Hwy 79 on the low hills just east of Dripping Springs alcove and west of Lake Marina Road. 550 Comment
  POM401680H  Asclepias eriocarpa Robert Gustafson, Gary D. Wallace 1983-6-23 2710 Riverside Santa Ana Mountains, Clinton Keith Road near junction with Tenaja Road. Comment
  POM201679  Asclepias fascicularis L. M. Booth 824 Riverside roadside. Comment
  RSA522266  Asclepias fascicularis Steve Boyd, D. Bramlet, Harry Spilman 1989-4-30 3511 Riverside Gavilan Hills, Harford Springs County Park on the N edge of the Gavilan Plateau, E of Gavilan Creek 610 Comment
  CLARK-A1528-1465  Asclepias subulata John C. Roos 1937-8-20 1226 Riverside Colorado Desert Comment
  SBBG58653  Asclepias subulata S. W. Hutchinson -Feb-1927 10 Riverside Box Cyn 121 Comment
  CDA2687  Asphodelus fistulosus A. C. Sanders, T. B. Salvato 2001-5-24 24371 Riverside Perris-Aguanga Basin; Temecula, Long Canyon area west of Del Rey Rd. along Avenida Buena Suerte. Comment
  RSA180254  Aspidotis californica E. W. Lathrop 1959-4-2 4425 a Riverside 18 miles west of Murrieta. Comment
  SDSU17486  Aspidotis californica Jerry Jenkins 2001-3-30 2001 -006 Riverside Santa Margarita Ecological Reserve. Foot of Shaded bluff, west side of S.M. River, slightly north of station. UTM zone 6, 481700N, 3699150E. UTM transfered to GIS. Comment
  POM187421  Aster alpigenus L. Crutcher 1933-8-22 1 Riverside Ridge south of Tahquitz Valley. Comment
  CHSC8463  Astragalus Edward Laidlaw Smith 1958-3-22 397 Riverside Sand dunes 3 mi. s. Rice. Little Santa Maria Mt. Range. Colorado River drainage area. 335 Comment
  POM179154  Astragalus acutirostris A. M. Alexander, Louise Kellogg 1941-5-6 2126 Riverside 13 miles southwest of 29 Palms, Joshua Tree National Monument. 1372 Comment
  UC710909  Astragalus bernardinus C. L. Hitchcock 1940-4-3 5942 Riverside between Cottonwood Spgs and Pinto Basin; between Cottonwood Spgs and Pinto Basin Comment
  CAS-BOT-BC177727  Astragalus crotalariae Ynez Whilton Winblad 1937-2-2 s.n. Riverside Coachella Valley Comment
  RSA85080  Astragalus didymocarpus J. C. Roos 1952-4-9 850 Riverside Fairmount Park 259 Comment
  UC63400  Astragalus didymocarpus H. M. Hall 1904-5-19 4951 Riverside vicinity Riverside (Fairmount Park); vicinity of Riverside, Fairmount Park 243 Comment
  SDSU17550  Astragalus didymocarpus var. didymocarpus Jerry Jenkins 2001 -033 Riverside Santa Margarita Ecological Reserve. UTM transfered to GIS. 177 Comment
  RSA605941  Astragalus douglasii var. douglasii R. S. Woglum 1941-6-12 3060 a Riverside Idyllwild. Comment
  CAS-BOT-BC178454  Astragalus douglasii var. parishii Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  POM188069  Astragalus douglasii var. parishii L. Crutcher 1933-7-1 18 Riverside 1 mile below Camp Tahquitz Comment
  UC597722  Astragalus douglasii var. parishii Philip A. Munz 1937-5-30 15138 Riverside Santa Rosa Peak Santa Rosa Peak (on dry benches) 2346 Comment
  UCR208902  Astragalus douglasii var. parishii I. M. Johnston 1917-4-4 1005 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Andreas Canyon 274 Comment
  UCR35038  Astragalus douglasii var. parishii L. B. Ziegler 1972-5-15 461 Riverside San Jacinto Mtns, Hemet (Garner) Valley 1402 Comment
  UCR95958  Astragalus douglasii var. parishii Scott D. White 1996-8-1 4422 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  UCR117315  Astragalus gambelianus A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 722 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  SEINET10737820  Astragalus insularis var. harwoodii Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-22 Holmgren 6454 Riverside 7 miles south-southwest of Rice. 274 Comment
  CAS-BOT-BC187120  Astragalus lentiginosus var. borreganus Geo. B. Grant 1906-5-1 77 a-6747 Riverside Colorado Desert at Palm Springs Comment
  RSA0006785  Astragalus lentiginosus var. coachellae H. D. Ripley, R. C. Barneby 1942-4-2 4271 a Riverside Garnet, Coachella Desert. 137 Comment
  JOTR01059  Astragalus lentiginosus var. variabilis Cole, James E. 1941-5-2 671 Riverside Joshua Tree National Park. LOST HORSE VALLEY 1310 Comment
  RSA107988  Astragalus mohavensis H. D. Ripley, R. C. Barneby 1944-4-7 3203 Riverside 10 mi. N of Cottonwood Sprs. [Springs?] 746 Comment
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Feb 19 2014
  UCR112975  Astragalus nuttallianus B. G. Pitzer, T. Tennant 1998-2-21 3533 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, on the lakebed, 1/2 to 3/4 mi.le SE of the pumping station 412 Comment
  UCR262560  Astragalus pachypus var. jaegeri James Hughes 2015-6-19 s.n. Riverside San Jacinto Mountains, Rouse Ridge, along FS Rd. 5S15/Rouse Hill Truck Trail c. 4 road miles south of Cranston Guard Station 893 Comment
  UCR59498  Astragalus pachypus var. jaegeri Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3226 Riverside Peninsular Range, Vail Lake area, sandstone ridge between Kolb Creek and Temecula Creek, forming peninsula at SW end of Lake. Comment
  RSA415663  Astragalus pomonensis G. R. Johnstone 1925-04 s.n Riverside Citrus Experiment Station. Comment
  RSA707890  Astragalus pomonensis Scott D. White, Angelia Carey 2004-4-16 10161 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
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May 30 2008
  SBBG68281  Astragalus pomonensis M. N. Ackley -Mar-1922 564 Riverside Murrieta Hot Springs 398 Comment
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Oct 21 2008
  CAS-BOT-BC193171  Astragalus sabulonum Lewis S. Rose 1937-4-10 37154 Riverside 3 mi. SE. of Indio 15 Comment
  POM12715  Athyrium filix-femina P. A. Munz 1922-7-6 5991 Riverside San Jacinto Mountains: Tahquitz Valley. 2195 Comment
  RSA586037  Athysanus pusillus D. L. Banks, S. D. Boyd 1995-3-16 89 Riverside Cleveland National Forest; Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage. 506 Comment
  UCR91225  Athysanus pusillus Scott D. White 1996-3-31 3866 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
  RSA480072  Atrichoseris platyphylla Steve Boyd, S. Meury, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2161 Riverside Palen Pass at the north end of the Palen Mountains 500 Comment
  RSA356892  Atriplex canescens R. F. Thorne 1966-10-15 41790 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway Comment
  SEINET3930583  Atriplex canescens Grant D. Brown 1950-12-2 594 Riverside Santa Ana River NW of Arlington.; 0 198 Comment
  UCR109572  Atriplex canescens R. D. Goeden, Don W. Ricker 1978-11-16 s.n. Riverside Coachella Valley, Indio, Monroe St. -6 Comment
  CAS-BOT-BC170204  Atriplex canescens subsp. canescens Louis C. Wheeler 1931-11-27 379 Riverside 2 mi. SE Salton Bench Mark 76 Comment
  JOTR34468  Atriplex canescens subsp. canescens La Doux, Tasha, M. Harding, B. Truesdell, D. Shade 2012-9-25 3157 Riverside Joshua Tree National Park. Cottonwood Mountains; Cottonwood Spring 914 Comment
  POM184644  Atriplex canescens var. laciniata L. C. Wheeler 1931-11-27 379 Riverside 2 miles SE of Salton Bench Mark. -76 Comment
  RSA5453  Atriplex canescens var. linearis C. B. Wolf 1932-10-13 s.n. Riverside NE side of S.P.R.R. at Durmid on N.E. side of Salton Sea -61 Comment
  SD240965  Atriplex canescens var. macilenta Dave Silverman 2010-3-24 7828 Riverside South Palen Lake, Chuckwalla Valley, 4.5 km SE of Sidewinder Well, 2.3 km SW of Palen Dunes Drive, and 4.2 km N of Interstate 10. 128 Comment
  OBI17338  Atriplex coronata var. notatior Robert F. Hoover 1968-1 Riverside Comment
  RSA532563  Atriplex coronata var. notatior D. E. Bramlet 1991-5-8 2129 Riverside 7.6 km west of Hemet and some 830m west of the intersection of warren Rd. and the RR tracks. the ste is some 350m north of the santa Fe raileroad tracks and 500m east of the MWD canal. 500 Comment
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Mar 4 2013
  RSA601788  Atriplex coronata var. notatior D. E. Bramlet 1997-3-13 2498 Riverside Nichols Road Wetlands. This site is located aproximatly 183 m. southeast of Nichols Road, 91m west of Collier Ave. and 196m west of I-15., The locality is east of the existing dirt road extending south from Nicholas Rd. and adjacent to Alberhll Creek. 381 Comment
  UCR66262  Atriplex coronata var. notatior D. E. Bramlet 1990-7-20 2051 Riverside Perris-Aguanga Basin region, 6 km west of Lakeview and just south of Ramona Expressway, 150 m east of San Jacinto River levee; just NE of intersection of B Ave. and 9th St. 433 Comment
  UCR103481  Atriplex davidsonii D. E. Bramlet 1995-6-21 2442 Riverside San Jacinto Valley, San Jacinto Wildlife Area, Lovell Unit. The site is located 1.4 km east of Davis Road and 152m south of the existing access road. the site is 579m north of San Jacinto River Channel 435 Comment
  CDA23259  Atriplex elegans R. E. Riefner Jr. 2006-8-2 06 -350 Riverside City of Corona, southeast ca. 0.75 mile from Cajalco Road and Temescal Wash; south ca. 1.5 miles of Blue Diamond Quarry. Comment
  UCR247448  Atriplex elegans var. elegans R. E. Riefner Jr. 2013-8-17 13- 190 Riverside city of Lake Elsinore, along Collier St and Hwy 74 south to Temescal Wash 393 Comment
  CAS-BOT-BC248269  Atriplex glauca R. E. Riefner, Jr. 2002-12-12 02 -521 Riverside Peninsular Range; Temescal Canyon Mouth: city of Corona, along Magnolia Ave. off-ramp on southwest side of Hwy I-15 216 Comment
  LA204682  Atriplex hymenelytra Carl Epling; March 1927 sn Riverside Whitewater Pass, near Palm Springs Comment
  RSA676295  Atriplex hymenelytra Scott D. White 2001-5-4 8449 Riverside Eastern Coachella Valley, adjacent to I-10 Freeway, a few miles east of Indio. 61 Comment
  UCR255947  Atriplex hymenelytra Deidre Conocchioli, Duncan S. Bell 2014-3-18 262 Riverside Sonoran (Colorado) Desert, Orocopia Mountains, 11.6 mi northeast of the Salton Sea, 1.9 mi north of the Salt Creek crainage, 0.2 mi southwest of Gucci Spring 390 Comment
  SEINET13901567 Image available Atriplex linearis Carl B. Wolf 1932-1 4321 Riverside Colorado Desert. NE. side of Salton Sea, at Durmid, NE. side of S. P. R. R. Tracks. 61 Comment
  CAS-BOT-BC176530  Atriplex polycarpa D. B. Dunn; H. Brown 1947-1-12 2835 Riverside Pushawalla Canyon, Indio Hills Comment
  SBBG1783  Atriplex polycarpa H. and M. Dearing 1938-3-6 Riverside Box Cyn Comment
  UCD97609  Atriplex polycarpa Lewis S. Rose 1967-12-19 67177 Riverside La Quinta. 15 Comment
  RSA737225  Atriplex prostrata Justin M. Wood 2008-9-22 145 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCD97620  Atriplex prostrata O. F. Clarke 1970-9-24 s.n. Riverside Riverside, Santa Ana River bottom, just E of the old Salt Lake R.R. Bridge. 216 Comment
  POM278972  Atriplex rosea Grant D. Brown 1950-12-2 587 Riverside Cajalco Resevoir, SE; Cajalco Canyon. 442 Comment
  UCR113601  Atriplex serenana A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23681 Riverside Santa Ana River Valley, SW side of Mt. Rubidoux, NW of intersection of Tequesquite Ave. and Gregory Rd., near confluence of Arroyo Tequesquite and the river 232 Comment
  UCR130513  Atriplex suberecta R. E. Riefner Jr. 2003-5-27 03- 240 Riverside Elsinore Trough, back basin of Lake Elsinore, Malaga Rd. near Mission Trail, SE of intersection 390 Comment
  UCR23926  Avena barbata John C. Roos, L. Roos 1950-4-15 4738 Riverside Peninsular Range, Box Springs Mtns., Pigeon Pass 457 Comment
  JEPS13898  Ayenia compacta Marjorie Clary 1931-4-4 Riverside Desert slopes of Santa Rosa Mountains Comment
  RSA0041957  Ayenia compacta Duncan S. Bell, Marcel Beffort 2014-4-22 6598 Riverside Chuckwalla Mountains; western end of Corn Springs wash/canyon; approximately 0.75 air mile southwest of Aztec Well. 671 Comment
  RSA30289  Baccharis brachyphylla C. B. Wolf 1942-10-13 11437 Riverside Morongo Pass, 3/4 mile below San Bernardino County line 671 Comment
  RSA655084  Baccharis emoryi Scott D. White 1999-11-12 7630 Riverside Murrietta Area: Corner of Nutmeg and Clinton Keith. 410 Comment
  POM350374  Baccharis salicifolia Ora M. Clark 1929-4-6 1952 Riverside South of Hemet. Comment
  POM37330  Baccharis salicifolia Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  UCR34877  Baccharis salicifolia L. B. Ziegler 1967-9-18 248 Riverside San Jacinto Mtns, Bautista Canyon 673 Comment
  JEPS21286  Baccharis salicifolia subsp. salicifolia W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1581 Riverside near Corona Comment
  RSA0055739  Baccharis salicifolia subsp. salicifolia Sarah J. De Groot, Cheryl S. Sevilla, Rico Ramirez 2014-8-20 7239 Riverside North Fork Mission Creek, above preserve. Southeast San Bernardino Mountains, San Gorgonio Wilderness Area. 770 Comment
  UCSB23643  Baccharis salicina McMinn, H. 1928-6-27 Riverside Anza to Palms to Pines Highway Comment
  POM350456  Baccharis sergiloides L. C. Wheeler 1933-12-1 2292 Riverside Mouth of Tauquitz Canyon, San Jacinto Mountains. 152 Comment
  SBBG7745  Baccharis sergiloides H. and M. Dearing 1940-11-10 5010 a Riverside Whitewater Comment
  SD40771  Baccharis sergiloides Carl B. Wolf 1932-10-11 1594 Riverside Morongo Wash, 0.3 mile below San Bernardino County Line, Colorado Desert 669 Comment
  CAS-BOT-BC295892  Bahiopsis parishii Munz; Street 1919-5-7 2722 Riverside Colorado Desert. Tahquitz Canon [Canyon], Palm Springs Comment
  POM14092  Bahiopsis parishii Philip A. Munz, D. D. Keck 1922-4-13 4954 Riverside Eagle Mtns. Colorado Desert. 244 Comment
  UC566708  Baileya pauciradiata Margaret Stason 1927-2-12 Riverside 1000 Palm Canyon Colorado Desert Comment
  UCD84488  Baileya pauciradiata Chuck Hughes 2010-6-13 149 Riverside Edge of Rice-Midland Road, about 2.5 miles southwest of Highway 62. 230 Comment
  UCR280381  Baileya pleniradiata Onkar Singh 2012-2-25 2543 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, Palen Sand Dunes west of Palen Dry Lake 140 Comment
  SEINET10859302  Baileya pleniradiata Billy Joe Cox 1975-4-23 Cox 4142 Riverside 1-3 km W, (ca. 32 mi. s of Blythe); creosote desert scrub; sand and gravelly entisols. Riverside-Imperial 70 Comment
  UCR274531  Bassia hyssopifolia Mitch Provance, Ken Halama 2003-6-15 17069 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  UCR275528  Bassia hyssopifolia A. C. Sanders, Karen Kirtland 2016-9-23 42627 Riverside San Jacinto Valley, edge of Mystic Lake at duck hunting ponds below abandoned dairy south of Gilman Springs Rd. between Jack Rabbit Tr. and Eden Hot Springs Rd. 434 Comment
  JOTR16567  Bebbia juncea Hogan, J. 1975-11-1 191 Riverside Joshua Tree National Park. MIDDLE OF WASHINGTON WASH, 1/4 MILE SW OF HEXIE MOUNTAINS 1066 Comment
  CAS-BOT-BC100124  Bebbia juncea var. aspera K. Bonner 1977-10-31 2594 Riverside 14 miles South of Vidal 161 Comment
  CLARK-A1528-315  Berberis dictyota Margaret, Lee Dean 1965-4-5 Riverside Bernasconi Hills 487 Comment
  RSA125251  Berberis haematocarpa E. K. Balls 1957-11-19 22822 Riverside Grown in Botanic Garden, alt. 1300 ft., from seed collected Aug. 20, 1957, by E. K. Balls & P. C. Everett, 6.6 mi. sw. along State Hwy 74 from Palm Village (jct. with State Hwy 111), Riverside Co. 396 Comment
  CAS-BOT-BC207044  Bernardia incana C. F. Saunders 1914-5-1 s.n. Riverside San Jacinto Mts. Comment
  SD216473  Bernardia incana Jay B. Walker 1995-5-3 1405 Riverside South of Palm Desert along Highway 74, 3 kilometers East of Pinyon Flats Campground 1200 Comment
  UC1281152  Bernardia incana H. E. McMinn 1935-6-27 4070 Riverside Palms to Pines Hwy. on grade to the valley Comment
  RSA648648  Bernardia myricifolia R. E. Riefner 2000-6-10 20 -482 Riverside San Bernardino National Forest. Hwy. 74 near Pinyon Flats Campground 1219 Comment
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Sep 7 2011
  CSUSB16  Bloomeria crocea D. L. Heald 1966-5-16 52 Riverside Off the road behind Webber Hall at University of California, Riverside (UCR) in the city of Riverside. 304 Comment
  RSA652924  Bloomeria crocea A. C. Sanders 1997-5-1 20623 Riverside along horse trail in southern part of Lake Skinner Park, west of Tucalota Hills and east of Warren Rd. 488 Comment
  UCR165606  Bloomeria crocea T. B. Salvato, John F. Green 2004-5-27 706 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
  RSA395897  Bloomeria crocea var. crocea Steve Boyd 1986-4-22 1762 Riverside Terrace escarpment W side of Indian Wash, S of I -15. Comment
  SD51942  Bloomeria crocea var. crocea Reid Moran 1962-7-7 9864 Riverside Damp soil near Strawberry Creek, 2 miles southwest of Idyllwild, San Jacinto Mountains. 1550 Comment
  RSA482755  Boechera M. B. Dunkle 1937-3-25 4952 Riverside Dry Morongo. Comment
  UC10090  Boechera arcuata H. M. Hall Jun 1901 2081 Riverside s side San Jacinto Mountains 1371 Comment
  UCR264211  Boerhavia coulteri A. C. Sanders 2015-9-12 41884 Riverside Sonoran (Colorado) Desert, Desert Center, south of I-10 at the Eagle Mountain Road junction 361 Comment
  SEINET3092312 Image available Boerhavia erecta var. intermedia Robert F. Thorne, Rolf and Gertrud Dahlgren 1979-8-23 53604 Riverside Pinto Basin Road: Along road, 4.5 miles S of meeting area of Mojave and Colorado Deserts. Comment
  UCR104582  Boerhavia intermedia T. L. Ackerman 1982-10-13 82 438 Riverside Western Colorado Desert, Boyd Deep Canyon Center near road and buildings 274 Comment
  CLARK-A1528-3272  Boerhavia wrightii John C. Roos 1937-8-20 Riverside Desert Center Comment
  RSA449949  Boerhavia wrightii J. C. Roos 1937-8-20 s.n. Riverside East of Desert Center. Comment
  CLARK-A1528-639  Boisduvalia glabella Ruth Cooper 1941-6-8 75 K Riverside Sun City Comment
  UCR89882  Bolboschoenus maritimus subsp. paludosus J. M. Stewart 1991-5-15 789 Riverside Sonoran (Colorado) Desert, Coachella Valley, Dos Palmas Oasis [Rancho Dos Palmas, Nature Conservancy preserve headquarters], North Shore -37 Comment
  UC577595  Bothriochloa barbinodis A. Lewis Apr 1934 Riverside Tin Mine Canyon 457 Comment
  UCR19697  Bothriochloa barbinodis John C. Roos 1965-6-23 s.n. Riverside Sonoran (Colorado) Desert, Lost Palms Canyon in the Eagle Mtns Comment
  UCD56842  Bouteloua barbata Leslie L. Ede 1972-7-18 s.n. Riverside Blythe? Comment
  SD125996  Bowlesia incana B. Pitzer, A. C. Saunders 1987-4-21 491 Riverside Box Springs Mountains, near southernmost radio towers. 790 Comment
  SD125934  Boykinia rotundifolia F. C. Vasek 1987-7-14 870714 1 Riverside San Jacinto Mountains, Vista Grande Road (3508) 1.0 mi. E of Banning-Idyllwild Road (SH243) 1524 Comment
  CLARK-A1528-2786  Brandegea bigelovii John C. Roos 1967-11-18 Riverside Comment
  RSA20225  Brandegea bigelovii Roxana S. Ferris, Ruth P. Rossbach 1938-5-15 9514 Riverside 19 mi. from Cottonwood Springs, N end of Pinto Basin Comment
  UCR274803  Brandegea bigelovii Aaron C. Sedgwick, David Fraker 2012-3-28 035 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road. c. 6 miles south of Hwy I-10 323 Comment
  RSA0009699  Brandegea bigelovii Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio. Comment
  UCR172193  Brassica kaber John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley: Leon Road (San Diego Aqueduct right of way) from Borel Road/Tucalota Creek S for c. 0.25 mi 427 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
  SBBG87894  Brassica tournefortii A. C. Sanders with B. Pitzer, D. Charlton 1986-3-1 6014 Riverside Chuckwalla Valley, 1 mi W of Hayfield Lake, 2 mi SW of pumping station on a small cutoff rd from Hayfield Rd to the dirt rd to Colorado River Aqueduct 426 Comment
  UCR180361  Brassica tournefortii Scott D. White, Angelia Carey 2004-4-5 9977 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCR214437  Brassica tournefortii A. C. Sanders, Richard Dwerlkotte 2010-3-22 37505 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 2 mi. SE of Sidewinder Well, south of Palen Dry Lake, SW of Palen Mtns. 142 Comment
  JEPS18712  Brickellia atractyloides var. arguta W. L. Jepson 1914-5-18 6012 Riverside Pinon Well, Cottonwood Mts. Comment
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Jul 6 2010
  RSA69828  Brickellia californica J. C. Roos 1951-10-19 5324 Riverside Badlands at Old Jackrabbit trail 610 Comment
  RSA48847  Brickellia desertorum J. C. Roos 1949-9-21 4665 Riverside E slope of rocky ridge in pass between Reche Canyon & Pigeon Pass 457 Comment
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Dec 5 2014
  SD144057  Brickellia desertorum A. C. Sanders, P. MacKay 1994-10-23 15846 Riverside San Bernardino Mountains: Whitewater River Canyon, between the trout hatchery and Bonnie Bell. 673 Comment
  CLARK-A1528-1673  Brickellia incana John C. Roos 1947-11-1 3751 Riverside Eagle Mountains Comment
  CAS-BOT-BC132194  Brodiaea filifolia Robert F. Thorne; P. A. Munz; E. Lathrop 1968-5-8 37586 Riverside Santa Rosa Plateau: On Mesa de Colorado, Rancho California 670 Comment
  UCR88420  Brodiaea filifolia D. E. Bramlet 1995-5-24 2426 Riverside San Jacinto Wildlife Area: Lovell Unit, c. 1.7 km NE of Lakeview. 152 m east of Davis Rd. and 34 m south of the existing access road, 200 m N of the San Jacinto River channel 436 Comment
  UCR94259  Brodiaea filifolia Scott D. White 1996-4-14 3890 Riverside Perris Basin, Near Perris Airport, c. 100 m north of Case Rd. and 100 m west of the San Jacinto River channel 433 Comment
  UCR217655  Brodiaea santarosae Karyn L. Drennen, Ana Hernandez 2010-5-12 014 Riverside Santa Ana Mountains foothills, Santa Rosa Plateau, south edge of Mesa de Colorado, 760 m east-southeast of Via Volcano/Avocado Mesa Road intersection, 250 m east of Via Volcano, 50 m north of dirt road 627 Comment
  CAS-BOT-BC144321  Bromus Carl B. Wolf 1932-8-5 3949 Riverside San Jacinto Mountains. Along trail from Tahquitz Valley to San Jacinto Peak. 2621 Comment
  UCD60266  Bromus A. A. Beetle 1946-6-10 4345 Riverside Mt. San Jacinto. Ridge at top of Tahquitz Valley. 2438 Comment
  UC1871317  Bromus arenarius Steve Boyd, Chris Frazier 1993-4-24 8006 Riverside Peninsular Ranges; Palomar Mountains region; Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck rd. T8S R1W; SE 1/4, NE 1/4 sec. 32. Elev. 2600-2900 feet. Comment
  RSA516966  Bromus carinatus A. C. Sanders 1989-4-30 9068 Riverside Riverside. Comment
  SEINET244863 Image available Bromus diandrus A. C. Sanders, Mark Elvin; Julie M. Vanderwier 2002-4-9 24919 Riverside Hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont. 610 Comment
  UCR147663  Bromus diandrus Steve Boyd, Aydee Virgen 2004-4-13 10863 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  UCR117651  Bromus hordeaceus Scott D. White, M. Jacobsmeyer 1996-4-20 3970 Riverside Perris Basin, near Perris Airport; c. 100 m south of Case Road and 100 m west of the San Jacinto River Channel 433 Comment
  POM147497  Bromus hordeaceus F. M. Reed 1928-4-18 5860 -B Riverside Vail Ranch west of Aguanga. Comment
  RSA658239  Bromus hordeaceus subsp. hordeaceus A. Sleigh, A. Haimov 1992-5-5 109 Riverside 1/2 mile east of Davis Road, north of San Jacinto River, San Jacinto Wildlife Area. Comment
  UCD58931  Bromus laevipes A. A. Beetle 1946-6-10 4392 Riverside San Jacinto Mt., San Jacinto Mts. Near Idylewilde. 1219 Comment
  SDSU14007  Bromus madritensis subsp. rubens Dinna Estrella, M. G. Simpson 2002-4-20 18 Riverside Santa Margarita Ecological Reserve. Loop trail, ca. 1/4 mile east of Northside field station. 335 Comment
  SEINET3923273  Bromus rubens R. L. Piemeisel 1913-5-4 409467 Riverside Crestmore field.; 0 Comment
  POM12135  Bromus rubens Mary F. Spencer 1920-4-5 1547 Riverside Palm Springs, Colorado Desert. 122 Comment
  RSA563915  Bromus tectorum A. C. Sanders 1993-4-5 13689 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74)., (Near 33 deg 46'N, 117 deg 03'W) 460 Comment
  UCR92223  Bromus tectorum Steve Boyd 1995-4-24 8477 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on N flank of Agua Tibia Mtn, at N base of Wildhorse Peak. Along the Wildhorse Trail near its junction with the Dripping Springs Trail. 610 Comment
  RSA0034863  Bromus tectorum Victor Duran 1932-5-18 3218 Riverside Idyllwild, San Jacinto Mountains. 1676 Comment
  UCR2257  Bromus trinii F. M. Reed 1920-3-24 4170 Riverside Western Colorado Desert, Murray Canyon, a tributary of Palm Canyon near Palm Springs 305 Comment
  RSA232962  Buddleja officinalis D. A. Young 1969-3-21 437 Riverside 3 miles west of Elsinore, California on a dirt road north of Highway 71, 500 yards off the road. 244 Comment
  JEPS54871  Caesalpinia virgata John Thomas Howell 1928-1-30 3307 Riverside 2 mi. e. Shaver's Well; Colorado Desert Comment
  POM47669  Caesalpinia virgata Mary F. Spencer 1920-3-13 1448 Riverside Painted Canyon near Mecca -60 Comment
  RSA1910  Caesalpinia virgata C. B. Wolf 1931-4-27 1091 Riverside Hidden Springs Canyon, 8.5 miles from Mecca. 6 Comment
  UCR39187  Caesalpinia virgata David J. Keil 1976-12-12 11913 Riverside Sonoran (Colorado) Desert, c. 5 mi. east of Indio along Interstate Hwy 10. Comment
  SD248483  Calandrinia ciliata Mitch Provance 2012-4-24 412 08 Riverside San Gorgonio Pass: Smith Creek SW of Banning, near corner of Sunset Ave and Bobcat Road (Beaumont 7.5'Q) 735 Comment
  UCR16505  Calandrinia ciliata David M. Peterson 1966-2-27 660227- 01 Riverside Santa Ana Mtns.; Santa Rosa Plateau, 6 mi SW of Murrieta, on the DeLuz Road, in a meadow 762 Comment
  UCR250131  Calandrinia ciliata A. C. Sanders 2014-4-9 40999 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. north of intersection with Indian Truck Trail, c. 0.4 km south of El Hermano Rd., NW of Corona (Lee) Lake 331 Comment
  RSA167551  Calliandra eriophylla R. F. Thorne, Robert L. Rutherford 1964-4-12 33666 Riverside Along Hwy 60, south of Ford Dry Lake, west of Blythe. Comment
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Feb 22 2014
  RSA377348  Calochortus concolor N. C. Cooper 1949-6-29 4330 Riverside Idlewild, San Jacinto Mountains. 1524 Comment
  UCR137356  Calochortus palmeri var. munzii 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
  CAS-BOT-BC132461  Calochortus plummerae Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild Comment
  UCR30501  Calochortus plummerae John C. Roos, L. Roos 1952-5-30 5733 Riverside One year old burn on hills of North Moreno between Moreno and Redlands. In branch of San Timoteo Canyon. 503 Comment
  RSA180362  Calochortus splendens E. W. Lathrop 1960-5-6 4785 Riverside 10 miles west of Murrieta. Comment
  RSA68632  Calochortus splendens Frank W. Peirson 1924-7-27 4997 Riverside Deer Springs, San Jacinto Mountains. Comment
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May 26 2014
  RSA789352  Calochortus weedii Naomi Fraga, Linda Prince, Duncan Bell, Tom Kerrin-Torres 2009-6-17 2998 Riverside Bedford Road, bank above road. 793 Comment
  CAS-BOT-BC283324  Calycoseris parryi Annie M. Alexander; Louise Kellogg 1941-5-11 2146 Riverside 1.5 miles N of Cottonwood Spring, Eagle Mountain 975 Comment
  JOTR01242  Calycoseris parryi Cole, James E. 1941-4-23 641 Riverside Joshua Tree National Park. WEST END OF PINTO BASIN 609 Comment
  RSA781359  Calystegia macrostegia A. C. Sanders, T. B. Salvato 2011-4-1 38956 Riverside Lake Elsinore, off Baker St. NW of intersection with Bromley Ave., north of second house from intersection, 0.55 km NW of Hwy 74 404 Comment
  SD237410  Calystegia macrostegia A. C. Sanders, T. B. Salvato 2011-4-1 38956 Riverside Peninsular Range: Lake Elsinore, off Baker St. NW of intersection with Bromley Ave., north of second house from intersection, 0.55 km NW of Hwy 74. 404 Comment
  UCR154626  Calystegia macrostegia A. C. Sanders, Mike Misenhelter 2005-6-15 30993 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  SEINET4077335  Calystegia macrostegia subsp. arida C. Davidson 1975-1 2806 Riverside Roughly four miles south of Banning on road R1 to Idyllwild. 1127 Comment
  POM17947  Calystegia macrostegia subsp. intermedia P. A. Munz 1923-6-14 7105 Riverside Glen Ivy Trail to Santiago Peak, Santa Ana Mountains. 915 Comment
  UCR273982  Calystegia sepium subsp. binghamiae Mitch Provance 2013-5-29 513- 14 Riverside Santa Ana River Valley, Riverside, Fairmount Park, W side of Lake Evans, W side of Dexter Drive, just SW of the American Legion. 241 Comment
  UC310595  Camissonia Philip A. Munz 1926-1-31 9973 Riverside Dos Palmos Spring Colorado Desert Comment
  RSA466972  Camissonia bistorta E. Crow 1929-4-7 311 Riverside Santa Ana Mountains, Corona Skyline Drive. Comment
  RSA68312  Camissonia bistorta G. R. Campbell 1951-5-30 16119 Riverside 9 miles west of Anza. 1067 Comment
  RSA748539A  Camissonia bistorta Scott D. White, Justin M. Wood 2009-4-28 12609 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  UCR49260  Camissonia bistorta Steve Boyd 1986-4-2 1629 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR59923  Camissonia bistorta Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouth of Rice and McVicker Canyons 488 Comment
  RSA465989  Camissonia boothii subsp. condensata A. C. Life 1928-3-17 s.n. Riverside Colorado Desert, Painted Canyon. Comment
  RSA466162  Camissonia californica E. Crow 1929-4-21 339 Riverside North of Alberhill. Comment
  UCR216200  Camissonia californica Jim Andre, T. La Doux 2009-2-28 10836 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park, SE Little San Bernardino Mountains, along Berdoo Canyon Rd (dirt), c. 0.8 mi. north of JTNP boundary, c. 3 miles north of Dillon Road 632 Comment
  RSA703374  Camissonia chamaenerioides LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1438 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  CAS-BOT-BC154113  Camissonia claviformis N. Aitkenhead 1977-2-1 s.n. Riverside ~2 mi. W. of junction of 1000 Palms Rd & T/L Comment
  UCR245955  Camissonia claviformis Duncan S. Bell 2009-3-7 27 Riverside Arica Mountains, ridgeline of range just north of the summit along the border of the Palen/McCoy Wilderness Area 614 Comment
  UCR60244  Camissonia claviformis R. F. Thorne, M. Z. Thorne 1973-3-30 42675 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
  RSA444316  Camissonia claviformis subsp. aurantiaca Walter Wisura 1988-3-1 4185 Riverside In wash off I 10 at beginning of Box Canyon Road toward Mecca. Comment
  RSA790630  Camissonia claviformis subsp. aurantiaca Aaron C. Sedgwick, David Fraker 2012-4-24 5 Riverside In the Palen Valley south of Hwy. 10 on Dupont Rd., ca. 2 mi. northeast of the Chuckwalla Mountains Wilderness Area. 183 Comment
  RSA561018  Camissonia graciliflora Steve Boyd, T. S. Ross 1992-5-4 7192 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  POM13793  Camissonia hirtella P. A. Munz 1922-4-28 5086 Riverside West of Lake Elsinore, base of mountain-slope. 488 Comment
  RSA448992  Camissonia hirtella Robert Gustafson 1983-4-18 2505 Riverside Clinton Keith Road, about 3 miles from its junction with Hwy. 15, eastern slopes of the Santa Ana Mts. 457 Comment
  RSA516428  Camissonia hirtella Walter Wisura, Bart O'Brien, Hayduk 1990-5-2 4435 Riverside Ortega Hwy. lower switchbacks above Lake Elsinore, in burned area. Comment
  CLARK-A1528-662  Camissonia pallida Charlotte Stocks 1964-5-20 Riverside Box Canyon Comment
  POM272038  Camissonia pallida subsp. pallida Lyman Benson 1933-3-31 4156 Riverside San Bernardino Mt. Range. US 66 [actually US 60], Beaumont. 457 Comment
  RSA735318  Camissonia refracta Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11283 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
  UCR214154  Camissonia refracta T. B. Salvato 2010-4-20 4053 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  UCR29257  Camissonia refracta George K. Helmkamp 1983-3-24 383- 2 Riverside Chuckwalla Mtns, E base of the Mtns at Graham Pass Road 427 Comment
  SEINET10492424  Camissonia refracta David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3707 Riverside Found growing in a wash. Indio hills, colorado desert. Near fushawalla. Comment
  RSA715074  Camissonia strigulosa A. C. Sanders 2005-4-22 29613 Riverside Gavilan Hills: Gavilan Plateau ca. 0.75 air mi. SE of summit of Gavilan Peak. 625 Comment
  SDSU3355  Camissoniopsis confusa H. Wedberg 1958-5-17 303 Riverside 7.4 miles from Banning on road to Idyllwild. Comment
  CHSC35468  Camissoniopsis pallida subsp. hallii James Henrickson 1973-3-18 8598 Riverside 16 (air) miles E of Temecula, 2.9 miles E of Guanga along Hwy 71. 822 Comment
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Nov 15 2006
  UC398682  Camissoniopsis pallida subsp. pallida L. R. Abrams 1926-3-27 Riverside near the type station Cabazon Comment
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Mar 13 2011
  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
  UCR235086  Carduus pycnocephalus A. C. Sanders, John F. Green 2012-6-1 40237 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, just SE of I-15 junction with Horsethief Cyn. Rd., c. 7 miles N of Lake Elsinore 377 Comment
  UCR187491  Carex barbarae Diane Menuz, Theresa Johnson 2006-9-20 245 Riverside Peninsular Range; Santa Ana Mtns, Santa Margarita Ecological Reserve, Temecula Canyon, hike up the river from the southern entrance, SE foot of Gavilan Mtn. 164 Comment
  CAS-BOT-BC20702  Carex fracta H. E. Hasse s.n. Riverside San Jacinto Mountains. Comment
  RSA797495  Carex multicaulis Keith E. Hoffmaster 1937-7-5 829 Riverside Fern Valley, San Jacinto Mtns Comment
  UC2030129  Carex nebrascensis Robert F. Thorne, J. P. Simon, and C. W. Tilforth 1969-6-24 38142 Riverside SAN JACINTO MOUNTAINS: San Bernardino National Forest. Woods above James Reserve. Comment
  UCR151044  Carex pellita Scott D. White 1998-7-31 6950 Riverside San Jacinto Mts., Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park 1951 Comment
  OBI35042  Carex praegracilis A. C. Sanders & Steve. D. Boyd, Steve. D. Boyd 1980-5-19 1500 Riverside San Jacinto Mts, Garner Valley. W of Kenworthy Ranger Sta 1372 Comment
  RSA559313  Carex spissa Steve Boyd, Timothy S. Ross, David E. Bramlet 1993-5-13 7375 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile 412 Comment
  UC1922343  Carya illinoinensis R. E. Riefner Jr. 2007-6-16 07 -258 Riverside City of Hemet, Lake St. at Florida Ave. (Hwy. 74). Comment
  RSA711756  Cassia eremophila O. F. Clarke 2002-3-11 s.n. Riverside O.F. Clarke residence, 266 Frost Court. 351 Comment
  JOTR33746  Castilleja chromosa La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2744 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  JOTR35436  Castilleja chromosa Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 42 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W of Juniper Flats, SW of Quail Mtn Comment
  UC886544  Castilleja exserta L. Haines and L. Erickson 1937-4-9 Riverside 1 mi w San Jacinto Comment
  UCR116410  Castilleja exserta A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24179 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
  UCR236903  Castilleja exserta Duncan S. Bell, Valentin Arvizu 2010-5-10 980 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
  SD133002  Castilleja foliolosa Scott White 1991-5-13 91 94 Riverside Hwy 79, immediately W of U.S. Forest Service campground at Dripping Springs 548 Comment
  UCR120934  Castilleja foliolosa A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24934 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  SEINET10865310  Castilleja miniata David B. Dunn 1946-8-17 Dunn 2705 Riverside Dry soil, trail to taquity from taquity valley campground, on dry hillside among bracken fern. San jacinto mtns. Comment
  JOTR16634  Caulanthus cooperi Walters, Jim 1967-3-14 s.n. Riverside Joshua Tree National Park. 1/2 MILE SOUTH JUMBO ROCKS 1280 Comment
  RSA0123359  Caulanthus hallii Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9045 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  CAS-BOT-BC41103  Caulanthus heterophyllus Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-3 4093 Riverside Vail Lake Area, upper benches and adjacent slopes of the east flank of 'Big' Oak Mountain. 701 Comment
  RSA113257  Caulanthus heterophyllus E. K. Balls 1955-4-4 20430 Riverside Chaparral, Ortega Hwy. 8.3 mi. ne. from Orange-Riverside Co. line, Elsinore overlook. 793 Comment
  RSA717466  Caulanthus heterophyllus Scott D. White 2006-4-28 11323 Riverside Wildomar., east of the I-15 Freeway and north of Baxter Rd. South- and west-facing hillsides, minor ephemeral wash, and upper bajadas at bases of hills. 427 Comment
  UCR121199  Caulanthus heterophyllus D. E. Bramlet 1991-5-10 2147 Riverside Perris-Aguanga basin region, North Domenigoni Hills, saddle between large peak in NW/4 of Sec. 31 & the 2071 ft. ridgeline to the west 567 Comment
  UCR241842  Caulanthus lasiophyllus var. rigidus A. C. Sanders, Timothy W. Chumley 2013-3-29 40719 Riverside Peninsular Range; Elsinore Valley, Baker St. between Elsinore and Alberhill, near road to water tank, 0.83 km NW of Riverside Dr./Hwy 74 412 Comment
  RSA585624  Ceanothus crassifolius D. L. Banks, S. D. Boyd 1995-3-15 59 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 680 Comment
  RSA606770  Ceanothus crassifolius Jon E. Keeley 1996-5-5 27361 Riverside Chaparral S of Hwy 79 on Woodchuck Rd., E of Temecula. 183 Comment
  UCR91599  Ceanothus crassifolius D. L. Banks, Steve Boyd 1995-3-15 0059 Riverside NW Palomar Mtns, Agua Tibia Wilderness Area, N face of Agua Tibia Mtns., Dorland Mtn. area 738 Comment
  SBBG54813  Ceanothus crassifolius var. crassifolius D. Keil, M. McLeod 1979-3-18 12915 Riverside ca. 6 mi E of Interstate 15, along St Hwy 79, in Pauba Valley area Comment
  POM13800  Ceanothus cuneatus P. A. Munz 1922-4-30 5132 Riverside Tuscalota Creek, south of Hemet. Comment
  SD225087  Ceanothus cuneatus var. cuneatus Scott D. White, Shelton Dowthit & Conservancy volunteers 1996-3-31 3851 Riverside Lk Skinner Area: Riverside Land Conservancy conservation easement site, about 1/2 air mi S of the reservoir, near East Benton Road. 518 Comment
  LA43613  Ceanothus integerrimus W. Pequegnat; 1938-6-15 sn Riverside Santa Ana Mountains, Bear Springs Comment
  UCR178852  Ceanothus integerrimus Mitch Provance, Tracy Tennant 1998-6-16 MOR- 397 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, just north of tree stand M-09 1280 Comment
  CAS-BOT-BC51285  Ceanothus leucodermis Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles North of Idyllwild Comment
  RSA741156  Ceanothus leucodermis Scott D. White, Justin M. Wood 2008-5-15 11992 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  UC1930018  Ceanothus leucodermis Scott D. White, Justin Wood 2008-5-15 11992 Riverside San Jacinto Mountains: Johnson Meadow. Comment
  UC870533  Ceanothus leucodermis I. W. Clokey, E. G. Anderson 1935-8-21 6737 Riverside Fuller's Creek 1500 Comment
  UCR92190  Ceanothus oliganthus subsp. oliganthus D. L. Banks, Steve Boyd 1995-3-16 0099 Riverside Peninsular Range, Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, Arroyo Seco drainage. 549 Comment
  SD130891  Ceanothus ophiochilus Chris Frazier 1991-3-22 Riverside 1 mile west of Vail Lake Comment
  UC1611574  Ceanothus ophiochilus Steve Boyd, Kyle Boyd 1993-3-28 7914 Riverside Palomar Range s of Vail Lake (at n base of Agua Tibia Mt., Agua Tibia Wilderness Area, Cleveland National Forest, along trail extending s from end of Woodchuck Road); Palomar Range, Cleveland Nat'l Forest, Agua Tibia Mt. 792 Comment
  UCR68480  Ceanothus ophiochilus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3099 Riverside Peninsular Range, Vail Lake area, 1 mi. west of lake 640 Comment
  RSA761995  Ceanothus palmeri Peter Guiden, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 77 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  CAS-BOT-BC51922  Ceanothus perplexans R. F. Hoover 1969-4-13 11227 Riverside Pinyon Flat, San Jacinto Mts. Comment
  SBBG28549  Ceanothus perplexans D. Myrick 1964-4-30 Riverside Palms to Pines (St Hwy 74), 15 mi W of Palm Desert 1219 Comment
  UCR114753  Ceanothus tomentosus Scott D. White, D. E. Bramlet 1999-4-22 7234 Riverside Lake Skinner area, Ridgetop, north, west, and northwest facing slopes of Bachelor Mtn. 762 Comment
  UCR271518  Ceanothus tomentosus T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8352 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  CAS-BOT-BC77629  Celtis reticulata Rimo Bacigalupi 1935-6-27 2358 Riverside 1/4 mile up, at head of 16th St., Banning Comment
  CAS-BOT-BC277186  Centaurea X pouzinii F. Willmarth 1960-6-20 s.n Riverside Old Fuller Rancho, near Corona Comment
  CAS-BOT-BC284479  Centaurea solstitialis Scott D. White; Mike Wilcox 1995-7-13 3473 Riverside Alluvial fan below unnamed canyon +- 1/4 mi SW of Grand Ave. (City of Lk. Elsinore), directly downslope from hairpin trun on SH 74, NE Santa Ana Mtn. foothills 487 Comment
  CLARK-A1045-230  Centaurium venustum George K. Helmkamp 1979-3-11 Riverside Mecca south of Mecca, where Lincoln Street crosses the Whitewater River; dry, saline mud flat; Mecca 7.5'Q Comment
  RSA391501  Centaurium venustum M. M. Thompson 1947-6-9 c 2066 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA487201  Centaurium venustum James L. Reveal 1988-5-22 6861 Riverside Rainbow canyon 13 iles south of Pala Road in Wolf Valley, aout 25 miles north of rainbow along US Hwy 395. 518 Comment
  UCR21173  Centaurium venustum Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  UCR89757  Centaurium venustum Scott D. White 1993-5-27 1427 Riverside North Alberhill Ranch, hills north of Walker Canyon 488 Comment
  RSA707578  Centromadia pungens subsp. laevis Jasmine Watts 2005-7-19 s.n. Riverside Hemet. South of Highway 74, and west of Warren Road. Comment
  SD211550  Centromadia pungens subsp. pungens Scott D. White 2008-8-20 12535 Riverside Perris Basin: City of Moreno Valley, Perris Boulevard between Krameris and Oleander Streets. (Perrs, Sunnymead) 445 Comment
  UCR126372  Cerastium glomeratum A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 680 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR265602  Cerastium glomeratum Jordan Zylstra 2014-3-18 14003 Riverside San Jacinto Mountains, Apple Canyon, west of Apple Canyon Road 1453 Comment
  RSA701115  Cercocarpus betuloides var. betuloides M. Wall 1996-6-25 182 Riverside East-draining cyn slopes S of Beaumont off Hwy 79, 1.8 mi S of 10 Fwy. 610 Comment
  CLARK-A1528-5000  Chaenactis artemisiifolia John C. Roos 1937-5-10 2070 Riverside Comment
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Jun 24 2014
  RSA543201  Chaenactis artemisiifolia Steve Boyd 1991-5-2 6101 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
  SEINET7063227  Chaenactis artemisiifolia A. G. Vestal 1963-5-19 s.n. Riverside About 1.5 miles northeast of Aguanga on Route 371. UTM Zone 11, 512930mE, 3702605mN. (WGS84/NAD83). 719 Comment
  RSA0122703  Chaenactis carphoclinia Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9061 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  RSA784770  Chaenactis carphoclinia Duncan S. Bell 2012-3-18 3174 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
  UCR104818  Chaenactis carphoclinia George K. Helmkamp, E. A. Helmkamp 1998-2-18 2732 Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, 10.6 miles SSW of Chuckwalla Valley Rd. on Graham Pass Rd. 488 Comment
  CAS-BOT-BC276916  Chaenactis fremontii Ivan Johnston 1917-4-4 1064 Riverside Mouth of Andreas Canyon 228 Comment
  JEPS5008  Chaenactis fremontii Rimo Bacigalupi with L. R. Heckard and C. L. Custer 1953-5-5 4072 Riverside along Morongo Creek, along highway between Morongo Valley and Coachella Valley. 685 Comment
  OBI51899  Chaenactis fremontii David Charlton 1988-2-25 1225 Riverside Alluvial Fan, S side of Little San Bernardino Mts. Dillon rd and 1000 Palms Oasis Rd jct S of Joshua Tree Natl Park, parallel to I-10. 5 mi E of jct Dillon rd and Fargo Cyn Rd 610 Comment
  RSA700061  Chaenactis fremontii Scott D. White, Michael Honer 2003-4-25 9091 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  SJSU11752  Chaenactis fremontii T. N. Seeno 1963-4-12 278 Riverside Sky Valley (in Coachella Valley) c. 10 mi N of Palm Springs 426 Comment
  UC61701  Chaenactis fremontii L. D. Copeland 1904-4-30 Riverside West Canon Palm Springs, West Canon Comment
  UCR34889  Chaenactis glabriuscula L. B. Ziegler 1967-4-18 117 Riverside San Jacinto Mtns, Foothills of the mountains, Soboba Indian Reservation, Poppet Flat Rd 581 Comment
  UC1483912  Chaenactis glabriuscula var. glabriuscula C. W. Tilforth and B. Busenberg 1979-5-18 1800 Riverside ca. 3 1/2 air mi s of Banning (at turn-off to Mt. Edna, small canyon along Hiway 243) Comment
  UC31038  Chaenactis glabriuscula var. glabriuscula H. M. Hall 1901-6-1 2056 Riverside vicinity of Chalk Hill; San Jacinto Mountains, Chalk Hill 1524 Comment
  UC63020  Chaenactis glabriuscula var. lanosa H. M. Hall May 17 1901-Jun 1 1901 Riverside Kenworthy; San Jacinto Mountains 1371 Comment
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Mar 25 2011
  SBBG65592  Chaenactis parishii R. Hoffmann 1929-9-10 Riverside San Jacinto Mtns 2286 Comment
  UCD20144  Chaenactis stevioides Donald W. Kyhos 1976-3-17 67 -11 Riverside Along Twentynine Palms Highway, at Riverside- San Bernardino County line. Comment
  UCR214551  Chaenactis stevioides A. C. Sanders 2010-3-15 37416 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  JEPS8902  Chaenactis xantiana Marjorie D. Clary 1932-5-26 1652 Riverside Pleasant Valley Colorado Desert, , Hexie Mt. 1066 Comment
  UC868576  Chamaesyce Ivan Johnston 1917-4-4 Riverside Palm Canyon Colorado Desert Comment
  RSA792549  Chamaesyce abramsiana Duncan S. Bell 2012-9-13 4176 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
  RSA38414  Chamaesyce albomarginata P. A. Munz 1946-10-21 11597 Riverside Near Ellen M. Mine, Joshua Tree National Monument 1296 Comment
  RSA621902  Chamaesyce albomarginata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 3012 Riverside Vail Lake area, low hills west of Kolb Creek arm of lake. 488 Comment
  RSA0123690  Chamaesyce arizonica Duncan S. Bell, LeRoy Gross 2016-3-30 9148 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  RSA793559  Chamaesyce micromera Duncan S. Bell 2012-9-13 4175 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
  SEINET4358093 Image available Chamaesyce micromera Duncan S. Bell 2011-10-22 3000 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice.; 0 437 Comment
  POM47251  Chamaesyce polycarpa Mary F. Spencer 1920-5-19 1563 Riverside Near Palm Springs 152 Comment
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Aug 27 2011
  SEINET3089933 Image available Chamaesyce polycarpa D. Hoover 1986-4-7 776 Riverside South of Morongo Valley; main canyon at the BLM gate. 549 Comment
  SJSU5736  Chamaesyce polycarpa L. S. Rose 1966-12-11 66099 Riverside La Quinta 91 Comment
  RSA432479B  Chamaesyce polycarpa var. hirtella M. B. Dunkle 1932-3-25 2901 Riverside Near Cathedrial Canyon. 152 Comment
  RSA576452  Chamaesyce polycarpa var. hirtella Marjorie D. Clary 1937-4-18 2778 Riverside Road from Indio to Thousand Palms, north side of Colorado Desert 122 Comment
  RSA614498  Chamaesyce polycarpa var. polycarpa George K. Helmkamp, E. A. Helmkamp 1998-2-5 2664 Riverside Indio Hills, 3 mi. E of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  UC2026401  Chamaesyce setiloba Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10052 Riverside COLORADO DESERT, CHUCKWALLA MOUNTAINS: Northwest base of the range, south of Eagle Mine Road exit on Interstate 10. Comment
  UCR151407  Cheilanthes clevelandii D. L. Banks 1997-3-1 1356 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Pechanga Creek, east of the'Fiesta Grounds' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation 427 Comment
  UCR48427  Cheilanthes clevelandii Steve Boyd, C. Boyd, B. Roy 1986-2-2 1201 Riverside Peninsular Range, Hwy 79 at San Diego county line Comment
  JOTR30987  Cheilanthes covillei La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1965 Riverside Joshua Tree National Park. (Stop 3) Hexie Mountains, slopes above Blue Cut Gorge Comment
  CAS-BOT-BC70295  Cheilanthes newberryi Elmer I. Applegate 1893-4-23 s.n. Riverside East Riverside Comment
  CAS-BOT-BC70297  Cheilanthes newberryi E. W. Lathrop 1965-4-26 5695 Riverside 4 miles southwest of Murrieta Comment
  UC2015696  Cheilanthes newberryi Scott D. White 1996-3-23 3842 Riverside Perris Basin Santa Rosa Hills, SE of Hemet (Loomis property: Friendly Hills Ranch) Comment
  CAS-BOT-BC68052  Cheilanthes parryi Marcus E. Jones 1906-4-26 s.n. Riverside Indio Comment
  CAS-BOT-BC70380  Cheilanthes viscida Rateaver 1944-2-21 69 Riverside Tahquitz Canyon, Palm Springs Comment
  SEINET3090329 Image available Chenopodiastrum murale Leland R. Dykes 1962-3-25 3 Riverside 4831 Rubidoux Ave., Riverside. Comment
  UCR266361  Chenopodium D. E. Bramlet 2005-5-3 3840 Riverside Perris-Aguanga Basin Region, San Jacinto Valley, north of Stetson Ave. and west of Warren Rd. 457 Comment
  RSA125543  Chenopodium album var. stevensii R. Weatherby 1949-5-13 413 Riverside La Sierra district, Arlington 152 Comment
  RSA763339  Chenopodium berlandieri R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55391 Riverside Side canyon on W side of Whitewater Cyn, ca. 3.3 mi. N of Whitewater Post Office 595 Comment
  SEINET238531  Chenopodium berlandieri T. B. Salvato, A. C. Sanders 2000-4-27 59 Riverside Coachella Valley: between Filmore & Buchanan on Avenue 56. -37 Comment
  UCR163987  Chenopodium rubrum John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, 2 miles NE of Squaw Mountain 640 Comment
  CAS-BOT-BC231768  Chilopsis linearis Dr. Barton W. Evermann 1916-5-13 s.n. Riverside Cottonwood Springs Comment
  UCR3005  Chilopsis linearis Wm. Horn Jr. 1963-3-23 630323- 3 Riverside Western Colorado Desert, Box Canyon Road (Calif. Hwy 195 ), 6 mi SE of Mecca 100 Comment
  LA204148  Chilopsis linearis subsp. arcuata Miss Halflaud; March 1925 6489 Riverside Palm Springs Comment
  UCD59673  Chloris virgata F. M. Reed 1936-8-26 9802 Riverside Massachusetts Ave., Riverside, Bell lot. Comment
  UCR113856  Chloris virgata Mitch Provance 2000-6-24 2038 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR172158  Chlorogalum parviflorum T. B. Salvato, Gregg Miller 2005-6-3 1376 Riverside Peninsular Range; Perris-Aguanga Basin Region, c. 3 mi SW of Perris, 1.7 mi SW of the Goetz Road crossing of the San Jacinto River and c. 0.25 mi south of Ethanac Road 436 Comment
  RSA346619  Chorizanthe brevicornu var. brevicornu Robert F. Thorne, Dick Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54030 Riverside San Bernardino Mountains: At mouth of Whitewater Canyon, ca. 1/4 mi. W of Whitewater P.O. and 1/2 mi. W of Whitewater River. 415 Comment
  SBBG1392  Chorizanthe brevicornu var. brevicornu D. Myrick 1964-4-30 836 Riverside Palms to Pines Hwy 74, 8 mi W of Palm Desert 1066 Comment
  UC724241  Chorizanthe brevicornu var. brevicornu Aven Nelson, Ruth A. Nelson 1939-3-30 3349 Riverside near Desert Center (Highway 60); near Desert Center Comment
  UCR121070  Chorizanthe coriacea D. E. Bramlet 1989-4-6 1812 A Riverside Perris-Aguanga Basin, Lake Skinner area, upland between Rawson Canyon and Tucalota Creek 457 Comment
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Sep 17 2011
  HSC66732  Chorizanthe corrugata D. L. Goforth, D. Reed 1980-3-25 356 Riverside Hwy. 195, 6 miles E of Mecca. Box Canyon, Mecca Hills 122 Comment
  SDSU4926  Chorizanthe fimbriata var. fimbriata H. Wedberg 1962-5-23 933 Riverside 4.8 miles from Hwy 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
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Jan 24 2013
  UC217989  Chorizanthe fimbriata var. fimbriata P. A. Munz, I. M. Johnston 1922-5-18 5318 Riverside 3 mi e Murietta; e of Murietta 457 Comment
  UCR55655  Chorizanthe leptoceras L. F. LaPre 1988-6-3 s.n. Riverside Peninsular Range, Indian Truck trail, sandy bench south of wash which crosses under de Palm Road (= frontage road to Hwy I-150, near Glen Eden Resort 366 Comment
  UC534896  Chorizanthe leptotheca Susan G. Stokes 1934-7-1 311 Riverside road to Idyllwild (San Jacinto Mountain); San Jacinto Mountain 1219 Comment
  UCR22102  Chorizanthe parryi var. parryi Steve Boyd 1980-5-15 277 Riverside Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan plateau 625 Comment
  UCR78332  Chorizanthe polygonoides subsp. longispina D. E. Bramlet 1993-4-26 2334 Riverside Peninsular Range, Temecula, c. 4 km south of intersection of Pauba Rd & Butterfield Stage Rd, 46-300 m west of Butterfield Stage Rd. 372 Comment
  UC2029936  Chorizanthe polygonoides var. longispina Steve Boyd 2001-4-12 10408 Riverside GAVILAN HILLS REGION: Southeast base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street, in the vicinity of the site of Terra Cotta. Comment
  UCR151369  Chorizanthe polygonoides var. longispina Steve Boyd 2001-4-12 10408 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Gavilan Hills Region: South base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street, in the vicinity of the site of Terra Cotta Comment
  UCR217537  Chorizanthe polygonoides var. longispina Diane Menuz 2008-4-17 423 Riverside Peninsular Range: Santa Ana Mts., Santa Rosa Plateau, near intersection of Tormo Trail and Sylvan Meadows Road 553 Comment
  RSA150980  Chorizanthe procumbens Clare B. Hardham 1962-4-6 8949 Riverside 395 Intersection, Rd to Rainbow near Temecula Canyon 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
  RSA0049855  Chorizanthe rigida Jim Andre 2014-1-27 26666 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
  UCR213545  Chorizanthe staticoides Michael Honer 2003-7-15 1847 Riverside Peninsular Range; Santa Ana Mtns., Rainbow area, just north of the San Diego Co. boundary and west of the I-15 Freeway 518 Comment
  UCR112584  Chrysanthemum coronarium A. C. Sanders 1998-4-16 21753 Riverside Riverside, field on the W side of Iowa Ave., just north of the Santa Fe RR tracks 287 Comment
  POM352018  Chrysothamnus paniculatus L. C. Wheeler 1933-12-1 2288 Riverside 2 miles E Cabazon, San Gorgonio Pass 640 Comment
  POM45651  Chrysothamnus paniculatus J. B. Feudge 1923-11-12 467 Riverside White Water, Colorado Desert 366 Comment
  POM295633  Chrysothamnus teretifolius Lyman Benson 1952-12-29 15089 Riverside Hidden Valley, Joshua Tree National Monument 1372 Comment
  UCSB4431  Chylismia claviformis Haller, John 1957-3-23 Riverside at southern boundary of Joshua Tree Natl Mon; 4 air miles S. of Cottonwood Sprs; and 1 mile N. of juct with US 60 609 Comment
  CAS-BOT-BC160582  Chylismia claviformis subsp. aurantiaca N. Aitkenhead 1977-2-2 2185 Riverside ~1 mi. from intersection of JT Mon Rd & pipeline Comment
  UC20519  Chylismia claviformis subsp. aurantiaca S. B. Parish Apr 4 1896-Apr 13 1896 4116 Riverside Palm Springs (Agua Caliente) desert base of San Jacinto Mt. 152 Comment
  UCD103919  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-2-15 11570 Riverside Corn Springs, Chuckwalla Mountains. Comment
  CAS-BOT-BC162784  Chylismia claviformis subsp. claviformis D. E. Breedlove 1962-3-11 1889 Riverside 3 miles southwest of Palm Desert 426 Comment
  RSA0123701  Cirsium neomexicanum Duncan S. Bell, Thomas Stoughton 2016-4-12 9235 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 3.75 air miles northwest of Rabbit Peak. 698 Comment
  RSA573434  Cirsium vulgare Steve Boyd, Timothy S. Ross 1994-9-14 8341 Riverside Southern Santa Ana Mtns, San Mateo Canyon wilderness area of Cleveland National Forest, Southwestern edge of the Oak flat area, 0.5 miles S of Serrano Spring. 732 Comment
  UCD130825  Cirsium vulgare Robert F. Thorne; Steve Boyd, Earl Lathrop 1985-7-18 61280 Riverside De Luz: Arroyo near Murrieta-Guava St. roads, a few miles south of Murrieta. 385 Comment
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Aug 29 2013
  RSA4964  Cistanthe monandra C. B. Wolf 1932-4-27 3033 Riverside Colorado desert, 3/4 mile west of Utopia on Mecca-Blythe road 152 Comment
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Dec 11 2011
  CLARK-A1528-641  Clarkia cylindrica I. Rauch 1968-5-14 Riverside Santa Ana River Comment
  CAS-BOT-BC164338  Clarkia dudleyana A. C. Sanders 1994-5-29 14568 Riverside San Bernardino Mountains: Millard Canyon, at stream crossing just below site of Millard Station on FS Road 2S05 1100 Comment
  RSA505480  Clarkia dudleyana E. W. Lathrop 1989-5-10 s.n. Riverside 4 miles SW of Corona, West slope of Tin Mine Canyon. Comment
  UC454554  Clarkia dudleyana I. J. Condit 1910-6-23 Riverside road to Idyllwild; San Jacinto Mt. 914 Comment
  CAS-BOT-BC171996  Clarkia epilobioides John Thomas Howell 1931-5-30 6591 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  UCR159265  Clarkia purpurea A. C. Sanders, Kelly Volansky 2005-8-31 31575 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  RSA707889  Clarkia similis Scott D. White, Angelia Carey 2004-4-16 10159 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
  CLARK-A1528-3372  Clarkia unguiculata John C. Roos, Lucille Roos 1952-4-28 5587 Riverside Fairmount Park 259 Comment
  RSA710929  Clarkia unguiculata A. C. Sanders, Seung-Chul Kim 2005-5-7 30050 Riverside 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 457 Comment
  POM307264  Claytonia parviflora subsp. tenuifolia Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2122 Riverside [Unspecified] Comment
  UCR20553  Claytonia parviflora subsp. viridis W. W. Mayhew 1977-6-12 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  RSA511345  Claytonia perfoliata subsp. perfoliata B. Pitzer, E. Misquez 1988-3-20 672 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
  RSA0013627  Claytonia rubra subsp. rubra LeRoy Gross, Duncan S. Bell 2013-4-30 6034 a Riverside Surveyed from Apela Drive, right at junction of road to sewage disposal ponds, south to Strawberry Creek. Started near 33.73367N, 116.75074W. And ended at 33.72912N 116.75098W. 1510 Comment
  RSA726824  Clematis lasiantha Steve Boyd, Aydee Virgen 2004-4-13 10867 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  CAS-BOT-BC92820  Clematis pauciflora Nancy Ryan Zabriskie; Walter Zabriskie 1971-3-7 352 Riverside Andreas Canyon, east slope San Jacinto Mountains. 359 Comment
  RSA374496  Cleome isomeris A. C. Sanders 1985-3-1 5391 Riverside Box Springs Canyon, near the intersection of Central Ave. & Hwy 60, along Gernert Rd. Just above the Santa Fe Railroad tracks. City of Riverside. 427 Comment
  RSA544380  Cnicus benedictus Steve Boyd, Timothy S. Ross 1991-6-14 6395 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  UCR107404  Cnicus benedictus B. G. Pitzer 1997-3-23 2976 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
  RSA0117424  Collinsia concolor Steve D. Boyd, Tim S. Ross, L. Arnseth, J. Bonilla 1990-4-2 3985 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA0117428  Collinsia concolor Steve D. Boyd, Tim S. Ross, Mike Hammitt 1991-5-2 6062 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
  SFV22081  Collinsia concolor D. S. Bell, V. Arvizu 2010-5-24 1100 Riverside San Jacinto Mountains Garner Valley, about 3 air miles southeast of junction of USFS Road 6S04 and USFS Road 6S13. 1386 Comment
  UCR107821  Collinsia concolor D. L. Banks 1997-5-5 2008 Riverside NW Palomar Mtns, Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pachanga Creek. east of where road crosses to southern bank of south fork of Pechanga Creek. 482 Comment
  RSA0117401  Collinsia concolor Robert L. Rutherford 1945-6-17 1675 Riverside Big Oaks Canyon, Banning. 1220 Comment
  POM147901  Collinsia heterophylla J. B. Feudge 1927-5-18 1602 Riverside West of Moreno Grade, near Moreno. 671 Comment
  SBBG93117  Collinsia heterophylla R. Montijo 1990-4-27 Riverside Rancho California Area, E of Santa Rosa Plateau, Green Meadow Rd off de Portoloa Rd 609 Comment
  UC124616  Collinsia parryi H. M. Hall 1897-4-17 460 Riverside Banning Comment
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Mar 13 2011
  SD241165  Colubrina californica Dave Silverman, Mark Bibbo 2010-3-31 7898 Riverside East flank of southern McCoy Mountains, 2.9 km W of Black Creek Road, 5.8 km NE of McCoy Peak, and 7 km north of I-10 195 Comment
  UCR130846  Conium maculatum S. J. Myers, C. McGaugh 1996-5-17 s.n. Riverside Santa Ana River Valley, Corona, River Road bridge over the Santa Ana River 165 Comment
  RSA562438  Conium maculatum Steve Boyd, Timothy S. Ross 1992-5-6 7266 Riverside Southern Santa Ana Mountains, San Mateo canyon Wilderness area. West of Verdugo Portrero, along access road to Rancho Carillo(7S06) on ridge dividing Verdugo and Aliso Canyons, just east of Riverside-Orange Co. Line 671 Comment
  OBI37480  Convolvulus arvensis Steve Boyd 1985-7-23 1003 Riverside 5.2 mi W of Rancho Calif on De Luz Rd 396 Comment
  UC1931131  Convolvulus arvensis Scott D. White, Justin Wood 2008-6-17 12162 Riverside San Jacinto Mountains: Garner Valley- Kenworthy Station (USFS) Butterfly Peak. Comment
  UCR224096  Convolvulus arvensis Justin M. Wood 2010-9-8 2605 Riverside Beaumont Badlands, San Timoteo Canyon, just southeast of El Casco Substation along San Timoteo Creek 640 Comment
  UCR120655  Convolvulus simulans D. E. Bramlet, P. Jacks, S. Goode 1989-4-6 1810 Riverside Perris-Aguanga Basin, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  UCR120851  Convolvulus simulans D. E. Bramlet 1993-4-14 2327 Riverside Gavilan Hills, Black Rocks area, NE of Black Rocks and 1.2 km south of Cajalco Rd., east of orange groves 445 Comment
  RSA619541  Conyza bonariensis D. L. Banks 1997-5-5 1990 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 south fork of Pechanga Creek. 396 Comment
  POM1812  Corallorhiza maculata I. M. Johnston 1916-8-1 s.n. Riverside Round Valley, San Jacinto Mountains. 2744 Comment
  RSA381979  Corallorhiza maculata Christopher Davidson 1978-6-15 7396 -C Riverside Santa Rosa Mountains. Santa Rosa Peak. Trail to the top. 2409 Comment
  RSA78304  Cordylanthus nevinii Philip A. Munz, E. K. Balls 1952-8-21 17976 Riverside Santa Rosa Spring, Santa Rosa Mts. 2134 Comment
  RSA511059  Cordylanthus rigidus subsp. rigidus Ed LaRue 1989-6-14 s.n. Riverside E edge of Plateau overlooking town of Murrieta; ca 1.25 mi W of town and ca 1 mi (airline) E of De Luz Road 549 Comment
  CAS-BOT-BC101299  Corethrogyne filaginifolia D. E. Breedlove 1961-8-4 929 Riverside along Riverside Highway 1, 9 miles south of Banning; San Jacinto Mountains 1341 Comment
  LA205802  Corethrogyne filaginifolia Elizabeth McClintock; 1936-7-20 Riverside San Jacinto Mountains, Idyllwild Comment
  UC31266  Corethrogyne filaginifolia H. M. Hall 1901-7-26 2530 Riverside Strawberry Valley San Jacinto Mountains, Strawberry Valley Comment
  UC895240  Corethrogyne filaginifolia I. W. Clokey and E. G. Anderson 1935-8-21 6962 Riverside North Fork San Jacinto River 1500 Comment
  POM667082  Coryphantha alversonii Clarence Bonner, Alice Bonner 1961-12-1 s.n. (M E) Riverside Eagle Mountain Range: East end of the Eagle Mountains near Eagle Mountain pumping station, Metropolitan Water District Aqueduct. 305 Comment
  RSA612698  Crassula aquatica D. L. Banks 1997-3-29 1600 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
  CAS-BOT-BC427776  Crassula connata L. R. Abrams 1941-4-24 13933 Riverside San Gorgonio Pass near Cabazon Comment
  RSA394725  Crassula connata Barbara Shervanick 1973-2-18 645 Riverside [San Jacinto Mtn. foothills] Palm Springs, end of Raquet Club Road 1/2 mile from aerial tramway. 366 Comment
  SDSU13943  Crassula connata Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2095 Riverside Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 671 Comment
  UCR84600  Crassula connata Scott D. White, S. Ogg 1994-4-21 1968 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  JEPS48951  Crassula connata var. eremica W. L. Jepson 1935-4-17 19142 Riverside 1 1/2 mi. n. Elsinore 457 Comment
  CLARK-A1528-424  Crassula erecta Jim Ryan 1969-3-26 22 Riverside Riverside 426 Comment
  UCR274301  Crepis T. B. Salvato, Melissa Clemons 2005-6-6 1421 Riverside Peninsular Range, Gavilan Hills, c. 0.75 mile south-southeast of Steele Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore 579 Comment
  RSA653675  Cressa truxillensis A. C. Sanders, K. C. Rose 1999-6-18 22820 Riverside Domenigoni Valley: upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, S of Winchester. 433 Comment
  CAS-BOT-BC181567  Crossosoma bigelovii Roxana S. Ferris 1953-3-10 12600 Riverside Whitewater Canyon, about 2 miles north of Whitewater Post Office Comment
  POM48342  Crossosoma bigelovii E. C. Jaeger 1925-3-1 s.n. Riverside Snow Canyon, San Jacinto Mts. 457 Comment
  RSA2103  Crossosoma bigelovii C. B. Wolf 1929-3-3 1027 Riverside Millard Canyon, above Cabazon 183 Comment
Read comments
Mar 13 2011
  UCR89665  Crossosoma bigelovii Bern Schwenn 1994-2-13 s.n. Riverside Colorado Desert/Santa Rosa Mtns., 'wet fork' Agua Alta Canyon 640 Comment
  LA28882  Croton californicus P. J. Remple; 1942-3-3 Riverside Garnet Springs near Palm Springs Comment
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Mar 13 2014
  RSA778142  Croton californicus J. Andre 2011-2-2 16215 Riverside Coachella Valley; west of Palm Springs along Hwy. 111 (south side) at base of San Jacinto Mts. at Windy Point, approx. 5.5 miles from Jct. with I-10 259 Comment
  RSA776768  Croton californicus Amber Swanson 2011-4-8 380 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  RSA688911  Croton californicus var. mohavensis Scott D. White 2001-4-18 8352 Riverside Coachella Valley: Palm Springs. NE corner of Sunrise Dr. and San Raphael Dr. (Palm Springs) 152 Comment
  SD229138  Croton setiger Dick Schwenkmeyer 2012-10-16 934 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 505 Comment
  UCR136164  Croton setiger A. C. Sanders 2004-6-20 28217 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. 305 Comment
  CAS-BOT-BC133959  Cryptantha J. H. Thomas 1949-2-28 55 a Riverside About 6.5 miles south-east of Banning between Banning and Palm Springs Comment
  GMDRC5506  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
  UCD166237  Cryptantha Jack Major 1962-4-16 774 -bb Riverside Along California Hwy 74, below Pinyon Flat toward Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 1220 Comment
  UCR231767  Cryptantha John F. Green 2008-4-23 09- 03 Riverside Peninsular Range; SE Gavilan Hills, powerline route in hills SE of Perris, east of Hwy 74 and north and NE of Eugene St., both sides of Theda St. 503 Comment
  CLARK-A1045-220  Cryptantha angustifolia George K. Helmkamp 1979-4-18 Riverside Little San Bernardino Mountains 3.5 miles north of Dillon Road; dry wash; Lost Horse Mtn. 15'Q Comment
  CLARK-A1528-2209  Cryptantha angustifolia John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  UC79221  Cryptantha angustifolia C. R. Orcutt 1889-1 Riverside Colorado Desert Comment
  UCR244300  Cryptantha angustifolia Jim Andre 2012-4-15 20859 Riverside Sonoran (Colorado) Desert, west end of Hayfield Dry Lake, 0.3 mi. N. of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10 395 Comment
  RSA0127780  Cryptantha angustifolia G. Rink 2013-3-17 11866 Riverside About ten miles west of Blythe, on the proposed Quartzite solar power plant. 125 Comment
  POM368283  Cryptantha barbigera H. de Forest 1924-4-13 s.n. Riverside Tahquitz and Andreas Canyons. Comment
  POM3857  Cryptantha barbigera I. M. Johnston 1917-4-4 1053 Riverside Palm Canyon, Colorado Desert. 366 Comment
  POM46802  Cryptantha barbigera Mary F. Spencer 1920-4-7 1573 Riverside Palm Canyon. Colorado Desert 182 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
  RSA136586  Cryptantha barbigera var. barbigera P. H. Raven 1960-5-6 12928 Riverside Along State Hwy 74, 15.6 miles SW of Palm Desert, San Jacinto Mtns. 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
  UCR157719  Cryptantha barbigera var. fergusoniae John C. Roos 1948-4-24 3807 Riverside Eastern San Bernardino Mtns./Sonoran (Colorado) Desert, Whitewater Wash 549 Comment
  RSA357780  Cryptantha circumscissa R. F. Thorne, M. Z. Thorne 1973-3-30 42667 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  UCR127341  Cryptantha corollata A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25845 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  RSA0078807  Cryptantha cycloptera Duncan S. Bell 2010-4-2 693 B Riverside Arica Mountains: collecting along the ridgeline of the mountain range about 0.3 air mile north of the summit. 561 Comment
  RSA0078808  Cryptantha cycloptera Duncan S. Bell 2009-3-7 21 Riverside Arica Mountains: collecting on the ridgeline of the mountain range just north of the summit along the border of the Palen/McCoy Wilderness area. 614 Comment
  IRVC28515  Cryptantha decipiens A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16139 Riverside Mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point & I-10 Coachella Valley 329 Comment
  UCR127961  Cryptantha decipiens A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16117 Riverside Coachella Valley, NW end of valley, wash east of Hwy 62 and south of Indian Ave, 0.45 mi south of Indian on Worsley Rd 500 Comment
  UC2015554  Cryptantha dumetorum A. C. Sanders with P. MacKay, M. Jacobsmyer, C. Sanders, et al. 1995-3-5 15999 Riverside Colorado Desert, Orocopia Mountains, Maniobra Valley, 1.6-3 mi S of Frontage road (old highway 60) along I-10, S to edge of BLM wilderness. Comment
  POM368276  Cryptantha intermedia B. C. Templeton, I. W. Clokey 1930-4-9 1023 Riverside Near Banning 500 Comment
  RSA586920  Cryptantha intermedia D. L. Banks, S. D. Boyd 1995-5-3 255 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. 500 Comment
  UC1922270  Cryptantha intermedia Scott D. White, Angelia Carey 2004-4-5 10019 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Comment
  UCR155133  Cryptantha intermedia A. C. Sanders, Kelly Volansky 2005-3-17 29203 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
  UCR156096  Cryptantha intermedia T. B. Salvato, Kent Beaman 2005-5-16 801 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
  UCR60611  Cryptantha intermedia Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3172 Riverside Peninsular Range, Vail Lake area; hills just to SW of the dam 488 Comment
  UCR88308  Cryptantha intermedia A. C. Sanders, K. C. Rose 1995-4-5 16388 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  RSA701218  Cryptantha maritima Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11274 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
  UC100916  Cryptantha maritima E. Schellenger 1905-3-10 Riverside Palo Verde Valley Comment
  UCR214165  Cryptantha maritima T. B. Salvato 2010-4-20 4067 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  UCR41597  Cryptantha maritima A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6121 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UCR79234  Cryptantha micromeres Steve Boyd, Orlando Mistretta 1992-4-23 7060 Riverside Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area, along San Mateo Creek from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon 305 Comment
  UCR238125  Cryptantha microstachys Mark A. Elvin, Julie M. Vanderwier, Frank Sartuche 2002-5-16 2040 Riverside Peninsular Range; Agua Tibia Mtns., Pechanga Indian Reservation, nameless drainage/wash south of Pala Rd. 335 Comment
  UCR158326  Cryptantha muricata A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30051 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
  GMDRC6563  Cryptantha muricata var. jonesii J. M. Andre 2012-6-15 30518 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 1309 Comment
  RSA0079433  Cryptantha muricata var. jonesii C. P. Cowan 1978-4-25 1270 Riverside 5.1 miles (8.1 km) west on Hwy. 74 from jct. with 243, approaching Hemet. San Jacinto Mts. Whittaker transect no. W-228. 1370 Comment
  RSA0079359  Cryptantha muricata var. muricata Steve Boyd, Rita Gentry 1991-5-30 6316 Riverside Murrieta, summit of Hogbacks on Gentry Experimental Farm. 543 Comment
  UCR216112  Cryptantha nevadensis Jim Andre, T. La Doux 2009-2-25 10807 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains; c. 0.5 mi. south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  SDSU18709  Cryptantha pterocarya f. pterocarya Kristen Hasenstab, M. G. Simpson 2008-4-2 67 Riverside Joshua Tree National Park. North side of Split Rock. 1294 Comment
  UCR216089  Cryptantha pterocarya var. cycloptera Jim Andre, T. La Doux 2009-2-25 10808 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains; c. 0.5 mi. south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  RSA0120314  Cryptantha racemosa Duncan S. Bell, Thomas Stoughton 2016-3-16 8957 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central/southeastern section of range, approximately 2.5 air miles north of Gucci Spring. 511 Comment
  RSA689696  Cryptantha simulans Valerie Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1704 Riverside Slope above junction of Dark Canyon and Fuller Mill Creek. 1494 Comment
  UC921126  Cucurbita palmata V. D. Miller 1945-5-17 Riverside Cottonwood Springs 1066 Comment
Read comments
Oct 9 2010
  UCR232065  Cucurbita palmata John F. Green 2008-4-24 13- 07 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris along Hwy 74, between Lazy Lizard Dr. and Wasson Canyon Rd. 504 Comment
  UCR16171  Cuscuta californica var. californica I. S. Singh 1972-5-5 s.n. Riverside Perris Basin, N of Perris, W end of Nuevo Road, on the Charles Motte property. 457 Comment
  UCR77584  Cuscuta subinclusa Steve Boyd 1991-7-13 6420 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
  SBBG65465  Cycloloma atriplicifolium R. Hoffmann 1929-9-4 Riverside Wineville [Mira Loma] Comment
  UCR111754  Cycloloma atriplicifolium S. J. Myers, C. McGaugh 1996-5-17 s.n. Riverside Santa Ana River Valley, Corona, River Road bridge over the Santa Ana River 165 Comment
  UCR201868  Cycloloma atriplicifolium Justin M. Wood 2008-9-30 178 Riverside SW Perris Basin, Temecula/Murrieta Creek, downstream of 1st Street bridge 305 Comment
  SEINET9037749 Image available Cylindropuntia californica var. parkeri M. A. Baker, Chris Taylor 2015-1 18367 Riverside The Badlands, 2.3km SSE of the intersection of San Timoteo Road and Redlands Blvd., 28km ENE of Riverside, 0.6km south of San Timoteo Wash 573 Comment
  RSA0059450  Cylindropuntia californica var. parkeri Lyman Benson 1963-7-13 16388 Riverside 1/2 mile north of Aguanga. 610 Comment
  RSA0034401  Cylindropuntia chuckwallensis Michelle Cloud-Hughes 2013-3-17 087 Riverside Corn Springs, north side of Chuckwalla Mountains, 12 km SSE of Desert Center, 85km east of Indio, 67km west Blythe. 500 Comment
  SEINET5624454 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2012-3-25 17525 .4 Riverside Northeast end of Chuckwalla Mountains, 11km SSE of Desert Center, 70km west of Blythe, two-track branching south from Corn Spring Road, 1.1 km W of Corn Spring Campground, 400m south of Corn Springs Wash; Pilot Mountain 1.5' USGS topographic quadrangle 527 Comment
  LA204499  Cylindropuntia munzii A. C. Sanders; et. al. 1986-3-2 6147 Riverside Arroyo Seco, along Bradshaw Rd. 5.2 mi. W of Graham Pass Rd., S side of the Chuckwalla Mountains Comment
  SEINET3071826  Cylindropuntia ramosissima Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17508 Riverside Pilot Mountain quadrangle, zone 11 0655330mE 3721650mN NAD83, Corn Springs, north side of Chuckwalla Mountains, 12km SSE of Desert Center, 85km east of Indio 498 Comment
  UCR88168  Cyperus acuminatus Karen Kirtland 1992-5-20 s.n. Riverside Perris-Aguanga Basin, San Jacinto River at a planned development called Creekside, east of Dunlap Dr. and north of San Jacinto Ave. 433 Comment
  UCR272474  Cyperus esculentus Mitch Provance 2012-7-25 712- 01 Riverside San Gorgonio Pass, Banning, Smith Creek, NE of West Ramsey St. and Highland Home Rd. 1410 Comment
  UC1930201  Cyperus niger Scott D. White, Angelia Carey and Linda Archa 2004-8-5 10680 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation. Comment
  POM13748  Cyperus odoratus E. C. Jaeger 1921-07 1194 Riverside Soboba Hot Springs. Comment
  UCR85375  Cyperus odoratus A. C. Sanders, O. F. Clarke & CNPS field trip 1991-10-5 11743 Riverside Santa Ana River Valley, Rubidoux, Santa Ana River Regional Park, c. 0.3 mi SE of Louis Rubidoux Nature Center Comment
  SEINET238535  Cyperus rotundus T. B. Salvato, A. C. Sanders 2000-4-27 64 Riverside Coachella Valley: between Filmore & Buchanan on Avenue 56. -37 Comment
  UCR101431  Cyperus squarrosus A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22233 Riverside San Bernardino Mtns., Morongo Indian Reservation, lower Millard Canyon 841 Comment
  JEPS35182  Cystopteris fragilis Carl V. Meyer 1928-7-26 535 Riverside Deer Springs; San Jacinto Mt. 2651 Comment
  UCR274879  Dalbergia sissoo John F. Green 2015-12-16 s.n. Riverside Sonoran(Colorado) Desert/E Foothills Peninsular Range, La Quinta, canyon wash alongside 'The Quarry' golf course, c. 1 km west of Lake Cahuilla 70 Comment
  SD51744  Dalea mollis Peter M. Ray 1949-3-6 1327 Riverside Willis Palms, near 1000 Palms, Coachella Valley Comment
  UC1563095  Dalea mollis Steve Boyd and Orlando Mistretta 1986-3-13 1428 Riverside n.e. Desert Center (juction of Parker Dam Rd. and 'Palen Rd' (rd. going through pass between Palen and Granite Ranges)); Palen Mts. 243 Comment
  UC68592  Dalea mollis H. M. Hall Apr. 1905 5932 Riverside McCoy Wash Colorado Desert, McCoy Wash 91 Comment
  UCR5569  Dalea mollissima O. F. Clarke 1966-10-5 661005- 12 Riverside Sonoran (Colorado) Desert, University of Calif, Riverside Desert Research Center [= Deep Canyon] 290 Comment
  POM114602  Dasyochloa pulchella Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  POM254896  Dasyochloa pulchella P. A. Munz 1940-3-24 15704 Riverside 2 miles north of Cottonwood Springs, Eagle Mountains. 915 Comment
  SEINET6421148 Image available Datisca glomerata Victor Duran 1933-1 3494 Riverside Near Santa Rosa, Santa Rosa Mountains 1829 Comment
  UCR156301  Datisca glomerata T. B. Salvato, Kent Beaman 2005-5-16 833 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
  UCR201443  Datisca glomerata Scott D. White, Justin M. Wood 2008-7-10 12454 Riverside San Jacinto Mountains, Fobes Spring 1500 Comment
  UCR95616  Datura quercifolia A. C. Sanders, O. Clarke, C. Sanders 1996-10-23 19644 Riverside Riverside: O. F. Clarke residence, 1012 Spruce St. 305 Comment
  HSC25961  Datura wrightii R. W. Spjut 1972-1-20 2122 Riverside Colorado Desert, near Kaiser Mine 10 mi. N of Desert Center 305 Comment
  SEINET8465858 Image available Datura wrightii W. P. MacKay 1970-4-18 335 Riverside 1 mile west of Palm Springs along Highway 60. 91 Comment
  UCR215517  Datura wrightii Daphne K. Christopher, Hannah I. Stevens 2003-4-4 094 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve, off Sage Road 530 Comment
  CAS-BOT-BC293824  Deinandra fasciculata R. F. Hoover 1968-6-6 11151 Riverside 1 mile east of Perris Comment
  SBBG104030  Deinandra kelloggii A. C. Sanders 1993-5-17 14063 Riverside S side of Florida Ave (Hwy 74) on E side of California Ave; Hemet 460 Comment
  SD51775  Deinandra kelloggii Rimo Bacigalupi, G. T. Robbins 1954-5-16 4465 Riverside Along road from Valverde eastward to gLakeview, on western slope of the Bernasconi Hills. 424 Comment
  SD232183  Deinandra mohavensis V. Soza, Steve Boyd, Neil Gilbert 2000-12-6 1065 b Riverside Peninsular Ranges, San Jacinto Mountains region: McCall Memorial Park. Along drinage off equestrian trail, in former burn area. 1341 Comment
  JEPS86541  Delphinium cardinale Roy E. Buck 1988-5-28 910 Riverside e-facing slope above CA Hwy 74 near top of grade W of Lake Elsinore (ca 2.0 air km nw of confluence of Harlan Canyon and Johnson Canyon drainages, 7 air km w of Lake Elsinore (town)); Elsinore Mountains 780 Comment
  UC854177  Delphinium parishii subsp. parishii I. W. Clokey, B. C. Templeton 1930-4-9 4696 Riverside North of Palm Springs. Colorado Desert 51 Comment
  UC912669  Delphinium parishii subsp. parishii Curtis Ferris 1932-3-23 87 Riverside Palm Springs Comment
  UCSB1982  Delphinium parishii subsp. parishii Sager, Ginny 1960-4-1 Riverside White Water Canyon Comment
  RSA586484B  Delphinium parryi subsp. parryi D. L. Banks, S. D. Boyd 1995-5-9 341 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
  RSA784520  Delphinium parryi subsp. parryi J. D. Olmsted 1962-6-23 5238 Riverside Just south of meadow gate along road from conservation-detention school east of Oak Glen into Banning Water Canyon. 1341 Comment
  UCR110965  Delphinium parryi subsp. parryi George K. Helmkamp 1998-6-27 4095 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
  CAS-BOT-BC82958  Dendromecon rigida Steve Boyd; Tim Ross; Laurel Arnseth 1990-3-30 3955 Riverside Vail Lake area. At south end of Black Hills south of 'Big' Oak Mountain. 731 Comment
  RSA772863  Dendromecon rigida Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4815 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
  UCR167976  Dendromecon rigida T. B. Salvato, John F. Green 2004-5-27 656 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
  UCR19015  Deschampsia danthonioides var. gracilis John C. Roos 1952-4-16 5543 Riverside Edgemont, near Box Springs 488 Comment
  RSA49350  Descurainia pinnata subsp. glabra P. A. Munz 1949-4-11 13016 Riverside Near Conejo Well, north base of Eagle Mts 915 Comment
  UC64338  Descurainia pinnata subsp. menziesii H. M. Hall 1895-3-10 70 Riverside near Riverside (Fairmount Hill); Fairmount Hill Comment
  UCR18534  Dichelostemma capitatum subsp. capitatum A. C. Sanders 1978-6-11 s.n. Riverside San Jacinto Mtns., James Reserve (above Lake Fulmor), near bridge over Indian Creek 1646 Comment
  SEINET8666167 Image available Dichelostemma pulchellum Sandy Gray 1981-4-1 12 Riverside CA Hwy 142 6 miles east of Corona, highway overpass. Comment
  POM306763  Dicoria canescens Henry J. Ramsey, Henry J. Ramsey 1937-11-20 1634 Riverside Coachella Valley Comment
  UC1080458  Dicoria canescens P. C. Everett and E. K. Balls 1958-4-29 23024 Riverside 5.3 mi ne Desert Center (along road to Rice and Vidal Junction) 243 Comment
  UCR132488  Dicoria canescens Michael D. Wilcox 2003-6-26 s.n. Riverside Sonoran (Colorado) Desert, Thousand Palms Oasis 152 Comment
  SBBG60676  Dieteria canescens S. W. Hutchinson -Mar-1928 207 Riverside near Blythe Comment
  UC1494274  Dieteria canescens var. ziegleri J. C. Roos 1946-8-27 2920 Riverside Santa Rosa Mountain 2407 Comment
  CAS-BOT-BC150927  Diplacus bigelovii var. bigelovii Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9546 Riverside Cottonwood Springs Canyon Comment
  SBBG66720  Diplacus bigelovii var. bigelovii M. N. Ackley -Feb-1926 1054 Riverside near Edom 64 Comment
  SEINET14595947  Diplacus brevipes Teresa Nieto 2005-1 03 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, ca. 8 miles southeast of Temecula, S of Hwy 79 at E end of Puaba Valley, end of Los Caballos Road in vicinity of water tank 457 Comment
  CAS-BOT-BC153091  Diplacus fremontii Ynez Whilton Winblad 1941-5-27 s.n. Riverside San Juan Mts., San Juan Canyon, Highway 74 609 Comment
  RSA0019427  Diplacus fremontii Elbert Benjamine 1929-5-18 229 Riverside Mt. San Jacinto. Comment
  RSA0019428  Diplacus fremontii H. M. Hall 1901-06 2049 Riverside In the vicinity of Chalk Hill. 1524 Comment
  RSA0019302  Diplacus puniceus D. L. Banks, Steve D. Boyd 1995-6-2 562 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail N of the Riverside County boundary, approximately 1/4 mile S of the clay grasslands. 902 Comment
  CDA7874  Dipsacus sativus Kurt Cambell 2006-6-15 s.n. Riverside Northwest corner of Moraga Road and Rancho California Road, Temecula. Comment
  RSA0042922  Distichlis spicata Duncan S. Bell, Evan Meyer 2014-4-2 6493 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; Canyon Spring. 367 Comment
  RSA700938  Distichlis spicata Michael Wall 1996-7-6 147 Riverside San Jacinto Valley, W side of Ramona Expressway in swale beginning 0.4 mi SE of Sanderson continuing for >0.5 mi. 488 Comment
  RSA0021693  Ditaxis claryana J. 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
  RSA676153  Ditaxis lanceolata Scott D. White 2001-4-3 8262 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  UCR260229  Ditaxis lanceolata A. C. Sanders, Jim Malusa 2015-3-11 41405 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, wide canyon along the Gasline Road c. 1/4 mile north of the Imperial Co. line, US Navy Chocolate Mountains Aerial Gunnery Range 459 Comment
  SD113862  Ditaxis neomexicana Darley F. Howe 1952-4-28 2194 Riverside Chuckwalla Mountains Comment
  UCR167552  Ditaxis neomexicana Nancy K. Cione 2004-4-30 s.n. Riverside Chuckwalla Valley, S of Eagle Mtns, north of Hayfield Dry Lake, near Red Cloud Road 415 Comment
  UCR279490  Ditaxis neomexicana A. C. Sanders, Jim Malusa 2017-3-25 43007 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  UCD142301  Ditaxis serrata var. californica C. W. Tilforth 1976-7-20 1211 Riverside Colorado Desert. Along power line road N.E. of Chiriaco Summit between Indio and Desert Center Comment
  POM265126  Dithyrea californica I. L. Wiggins 1937-3-9 8765 Riverside Sand dunes 20 miles north of Indio. Comment
  POM7117  Dithyrea californica P. A. Munz, L. T. Street 1919-3-25 2309 Riverside Sand dunes. Whitewater. 305 Comment
  RSA721993  Dithyrea californica J. R. Bruff s.n. Riverside Palm Springs. Comment
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Aug 27 2011
  UC61578  Dithyrea californica Dr. R. J. Smith March 1904 100 Riverside White Water 335 Comment
  UC68544  Dithyrea californica H. M. Hall Apr 1905 5950 Riverside McCoy Wash Colorado Desert 91 Comment
  SEINET12005462  Dithyrea californica J. F. Bright, Wyman, C. 1933-1 8062 Riverside between Radio & Palm Springs Comment
  SEINET12005463  Dithyrea californica S. B. Parish, Parish, W. F. 1881-1 15 Riverside Whitewater Comment
  OBI32750  Drymocallis glandulosa var. glandulosa E. W. Lathrop 1966-5-29 6388 Riverside Mail Divide Truck Trl between El Carriso and Santiago Peak, Cleveland Natl Forest 1219 Comment
  RSA783368  Dryopteris arguta J. D. Olmsted 1959-3-4 774 Riverside Saunder's Meadows near Idyllwild 1662 Comment
  POM13057  Dudleya cymosa subsp. pumila E. C. Jaeger 1921-1 s.n. Riverside San Jacinto Mountains. Comment
  UCR166700  Dudleya edulis Scott D. White, Jennifer H. Jones 2005-7-5 11151 Riverside Santa Ana Mtns, Rainbow Valley area, west of I-15 and just N of San Diego Co. boundary 579 Comment
  CAS-BOT-BC411415  Dudleya lanceolata Edmund C. Jaeger 1925-5-2 s.n. Riverside Keyes Water Canyon, Box Springs Mtn. Comment
  POM274431  Dudleya lanceolata Lyman Benson 1939-12-14 s.n. Riverside 10 mi. W of Banning, US 99 915 Comment
  UCR174543  Dudleya lanceolata Jennifer H. Jones 2006-6-6 394 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; lower ele. part of San Juan Loop Trail, N of Upper San Juan Campground 518 Comment
  UC115262  Dudleya saxosa subsp. aloides T. S. Brandegee 1902-1 Riverside near Palm Springs (Whitewater) Comment
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May 21 2013
  UC1755318  Dudleya saxosa subsp. aloides Dean W. Taylor 2003-5-6 18519 Riverside 1.15 miles NNE of Cabazon, along access road paralleling powerlines, San Gorgonio Pass 640 Comment
  UC489261  Dudleya saxosa subsp. aloides C. V. Meyer 1928-7-24 521 Riverside Idyllwild Falls San Jacinto Mtns Comment
  SEINET4890282 Image available Echinocereus engelmannii subsp. engelmannii Marc A. Baker, Michelle Cloud-Hughes 2011-6-10 17354 .3 Riverside Along Morris Ranch Road, 400m north of Kenworthy Station, 4km west of Butterfly Peak, west baseof San Jacinto Mountains, Garner Valley, just east of Thomas Mountain. 1420 Comment
  UC277044  Echinocereus mojavensis E. C. Jaeger May 1921 Riverside Little San Bernardino Mts. , Keyer Ranch (Keyer Ranch) Comment
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Apr 4 2011
  JOTR31007  Echinocereus triglochidiatus La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1292 Riverside Joshua Tree National Park. Stop 5: Hexie Mountains, steep gravel slopes above north side of Blue Cut Gorge Comment
  JOTR01123  Echinocereus triglochidiatus Cole, James E. 1941-5-17 730 Riverside Joshua Tree National Park. COVINGTON FLAT CANYON 1371 Comment
  UCR2342  Echinochloa crus-galli F. M. Reed 1936-7-27 9801 Riverside Riverside, Riverside: Bell lot, Massachusetts Ave. 290 Comment
  UCR92731  Echinochloa crus-galli A. C. Sanders 1994-7-27 15166 Riverside Riverside, Santa Ana River between the San Bernardino Co. line & the Market Street Bridge 246 Comment
  GMDRC6548  Ehrendorferia chrysantha J. M. Andre 2012-6-15 30500 Riverside San Jacinto Mountains: along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest 1172 Comment
  RSA192298  Elatine brachysperma H. A. Zuill 1966-7-26 302 Riverside About 7.5 miles SW of Murrieta. Comment
  UCR25217  Elatine brachysperma John C. Roos 1937-8-18 2538 Riverside San Jacinto Mtns, Hidden Lake Comment
  UCR111781  Eleocharis montevidensis Mitch Provance 1999-5-4 1707 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  RSA192144  Eleocharis palustris H. A. Zuill 1966-7-17 288 Riverside 7-8 miles SW of Murrieta. Comment
  RSA593896  Eleocharis palustris Steve Boyd, David E. Bramlet 1996-4-19 8612 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  RSA741011  Eleocharis palustris Scott D. White, Justin M. Wood 2008-6-18 12228 Riverside K Flat Meadow. 1433 Comment
  CAS-BOT-BC33443  Eleocharis parishii Samuel Bonsal Parish 1882-4-1 1569 Riverside Palm Springs, Colorado Desert. Tranquility Canyon. Comment
  SEINET7586940 Image available Eleocharis parishii Ivan Johnston 1917-4-4 s.n. Riverside Palm Canyon. Comment
  CAS-BOT-BC203837  Elymus X hansenii Peter H. Raven 1958-5-5 12881 Riverside Jumbo Rocks Camp Ground, Joshua Tree National Monument Comment
  UCR89479  Elymus condensatus Steve Boyd, T. S. Ross, J. T. Columbus 1993-10-23 8196 A Riverside S Santa Ana Mtns, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Morrell Canyon along Morgan Trail (5W02) 878 Comment
  UCR154465  Elymus elymoides Jason L. Hlebakos 2005-5-30 810 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  SD232143  Elymus glaucus Valerie Soza, Naomi Fraga 2003-6-25 1703 Riverside Peninsular Ranges, San Jacinto mountains region, slope above junction of Dark Canyon and Fuller Mill Creek. 455 Comment
  RSA131727  Elymus glaucus subsp. jepsonii E. K. Balls 1958-6-27 23293 Riverside Between Santiago Peak and Indian Truck Trail, along Main Divide, Santa Ana Mountains. 1372 Comment
  RSA577761  Elymus trachycaulus subsp. trachycaulus F. M. Reed 1928-7-10 5983 Riverside Strawberry Valley, San Jacinto Mountains. 1524 Comment
  SEINET156521  Emmenanthe penduliflora Norman C. Cooper 1944-5-21 1269 Riverside San Jacinto Mtns. West side. 1067 Comment
  UCR120307  Emmenanthe penduliflora Mitch Provance 1997-5-18 1093 Riverside Jurupa Mountains, Pyrite Canyon, c. 0.4 km south of the end of Savonia Dr. in Southridge, Fontana, just on the Riverside Co. side of the county line 351 Comment
  CHSC108907  Encelia actoni Orlando Mistretta; D. Bell, J. England, J. Hall, C. McDonald,L. Reccia 2010-4-13 4916 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
  POM356673  Encelia actoni Norman C. Cooper 1949-6-3 4150 Riverside Temecula 762 Comment
  UC31391  Encelia actoni Geo. F. Reinhardt 1897-6-1 Riverside San Jacinto Valley Southern California, San Jacinto Valley Comment
  UCR116782  Encelia actoni A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24166 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  UCR270315  Encelia californica T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8341 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 384 Comment
  UCR37792  Encelia farinosa A. C. Sanders 1985-3-1 5390 Riverside Box Springs Canyon, near the intersection of Central Ave. & Hwy 60, along Gernert Rd. Just above the Santa Fe Railroad tracks. 427 Comment
  UCR41600  Encelia farinosa A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6032 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  POM356686  Encelia farinosa var. farinosa B. C. Templeton 1930-4-9 1001 Riverside North of Palm Springs. Colorado desert 400 Comment
  SD240854  Encelia farinosa var. phenicodonta Dave Silverman, Mark Bibbo 2010-3-31 7837 Riverside UTM in Supplement. Southern McCoy Mtns, east bajada flank, 1.5 km west of Black Creek Rd, 6.5 km north of I-10, and 6.9 km EME of McCoy Pk. 177 Comment
  CAS-BOT-BC131413  Encelia frutescens John Thomas Howell 1928-3-24 3511 Riverside Near Palm Wash, 35 miles south of Indio, Colorado Desert Comment
  JOTR34054  Encelia virginensis La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2954 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; loamy-gravel, steep, southeast facing slopes above Lost Horse Mine Trail Comment
  RSA383799  Ephedra aspera E. C. Jaeger 1922-3-25 701 Riverside Murray Canon, Colorado Desert of California. 366 Comment
  CAS-BOT-BC81545  Ephedra californica John Thomas Howell 1928-3-11 3409 Riverside East end of Morongo Valley, S. [Mohave] Mojave Desert 914 Comment
  RSA383879  Ephedra californica Claire Kibbe 1936-07 s.n. Riverside Palm Springs. Comment
  UC1302449  Ephedra californica Robert F. Thorne 1964-5-3 33851 Riverside near hwy ca 4 mi s of Morongo Valley (ca 3 mi s of San Bernardino Co. line) Comment
  CLARK-A1528-2673  Ephedra viridis John C. Roos 1949-4-10 4224 Riverside Chuckwalla Mountains Comment
  RSA48879  Epilobium canum subsp. canum J. C. Roos 1949-9-21 4663 Riverside Reche Canyon, 2.7 miles south of Hollow Hill Dairy 457 Comment
  CAS-BOT-BC171741  Epilobium canum subsp. latifolium S. B. Parish 1916-5-13 10859 Riverside Cottonwood Springs, Colorado Desert 792 Comment
  RSA144639  Epilobium canum subsp. latifolium William M. Klein, S. Tillett 1958-10-8 890 Riverside Dark Canyon Camp Ground, North Fork of the San Jacinto River, San Jacinto Mountains. Comment
  RSA674524  Epilobium canum subsp. latifolium Scott D. White 2000-11-15 8147 Riverside Idyllwild area, Strawberry Fuelbreak between Inspiration Pt. and Strawberry Ck. 1402 Comment
  UCR159254  Epilobium ciliatum A. C. Sanders, Kelly Volansky 2005-8-31 31580 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  UCSB4333  Epilobium glaberrimum Kamb, Peter 1947-6-7 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  RSA6132  Epipactis gigantea B. D. Stark 1933-5-13 4985 Riverside Andreas canyon. 701 Comment
  RSA0012657  Equisetum laevigatum LeRoy Gross, Caitlin Elam 2013-5-14 6084 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
  UCR123836  Equisetum laevigatum Steven R. Hill 2001-4-29 33531 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
  SBBG89536  Equisetum telmateia subsp. braunii J. Adams 1966-4-28 744 Riverside Santa Rosa Plateau, dirt rd from Murrieta to De Luz 762 Comment
  UCR26313  Equisetum telmateia subsp. braunii John C. Roos 1952-6-25 5794 Riverside Thickets at W end of Fairmont Park, Riverside 260 Comment
  SEINET1909845  Eragrostis A. C. Sanders 1997-1 21627 Riverside Moreno Valley: March Air Base, near Riverside (Riverside East 7.5 Q.). 466 Comment
  UCR116955  Eragrostis A. C. Sanders, T. B. Salvato 2001-5-3 24114 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR176681  Eragrostis G. S. Nuessly 1980-10-14 s.n. Riverside Riverside: U.C. Riverside campus, above Picnic Hill 351 Comment
  UC634844  Eremalche exilis Margaret Stason 1927-2-12 Riverside 1000 Palm Canyon Colorado Desert, 1000 Palm Canyon Comment
  SEINET6059742  Eremothera refracta Unknown 1935-4-17 4563 Riverside West of Wiley Well. Comment
  SD234465  Eriastrum densifolium subsp. austromontanum Mark S. Brunell 1993-7-16 137 Riverside San Jacinto Mtns.: Thomas Mtn. Road, 1.5 km west of Thomas Mtn. Campground, both sides of road (Anza 7.5' Q) 1939 Comment
  RSA0093001  Eriastrum eremicum subsp. eremicum Jim M. Andre 2012-4-11 20811 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
  CAS-BOT-BC514457  Eriastrum eremicum subsp. eremicum L. R. Abrams 1926-3-26 11089 Riverside Between Edom and Garnet, east of San Gorgonio Pass Comment
  UCD118281  Eriastrum filifolium K. Esau 1935-6-15 s.n. Riverside Riverside. Comment
  JEPS69118  Eriastrum sapphirinum C. V. Meyer June 1927 152 Riverside Temecula Comment
  UC774165  Eriastrum sapphirinum C. Epling and Wm. Robison 1933-6-24 Riverside San Gorgonio Wash Little San Bernardino Mountains Comment
  CAS-BOT-BC187906  Eriastrum sapphirinum subsp. dasyanthum Clare B. Hardham 1965-6-17 12950 Riverside Near Banning, San Jacinto Mountains Comment
  UCR261867  Eriastrum sapphirinum subsp. dasyanthum Tim Thomas, J. Vollmar 2014-5-9 6307 Riverside Banning Pass; San Gorgonio River channel on south side of I-10 627 Comment
  CAS-BOT-BC515044  Eriastrum sapphirinum subsp. sapphirinum Winifern W. Swarth 1914-9-6 s.n. Riverside San Jacinto Mts., Strawberry Valley 1828 Comment
  RSA545233  Ericameria cuneata var. spathulata R. F. Thorne 1970-10 41883 Riverside San Bernardino Mts, Whitewater Canyon: 1350ft near bridges and Whitewater Post Office to 2000 ft up the Canyon toward fish hatchery Comment
  POM359405  Ericameria linearifolia Ora M. Clark 1929-3-16 1716 Riverside N. of Whitewater Comment
  RSA23701  Ericameria linearifolia R. S. Woglum 1934-3-18 627 Riverside Snow Creek, Coachella Valley Comment
  LA204642  Ericameria nauseosa H. Lewis; 1939-10-22 1035 Riverside San Jacinto Mountains, Hemet Lake Comment
  JOTR32643  Ericameria nauseosa var. mohavensis La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2563 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Convergence of Lower Covington Flat and Smith Water Canyon (Stop 3) 1362 Comment
  UC1279785  Ericameria paniculata W. G. Langenberg 1963-5-19 5 a Riverside near Palm Springs; Long Canyon Comment
  UC894833  Ericameria paniculata Lewis S. Rose 1938-12-20 38330 Riverside 3 mi se Palm Springs Station; Whitewater Wash 274 Comment
  CAS-BOT-BC131642  Ericameria parishii var. parishii Edmund C. Jaeger 1923-7-12 1004 Riverside East slope San Jacinto Mts. 2133 Comment
  RSA160568  Ericameria pinifolia J. D. Olmsted 1959-9-23 1008 Riverside 4 miles S of Hemet Lake on Hwy. 74, San Jacinto Mts. 1387 Comment
  RSA38356  Ericameria pinifolia P. A. Munz 1946-10-19 11564 Riverside Coahuila. 1098 Comment
  RSA68333  Erigeron divergens G. R. Campbell 1951-5-30 16151 Riverside Pine Meadow Ranch, SE of Kenworthy 1433 Comment
  UCSB10378  Erigeron foliosus Haller, John 1950-5-20 Riverside Base of San Jacinto Mountains, Hemet, Idyllwild Road, opposite Cranston Ranger Station 609 Comment
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Apr 29 2011
  UCSB15235  Erigeron foliosus Breedlove, Dennis 1961-8-4 Riverside Along Riverside Highway 1 at junction with road to Black Mountain Campground; San Jacinto Mountains 1676 Comment
  SBBG88092  Erigeron foliosus var. foliosus S. Myers 1988-6-30 Riverside Murrieta area, between Interstate 15 and Jackson Street, ca. 0.5 mi SE of Inland Valley Medical Center, near Clinton Keith Rd Comment
  CAS-BOT-BC278497  Eriochloa contracta T. C. Fuller 1962-10-2 9702 Riverside N.W. corner of Neighbors Blvd. & Ave. 22, 1.4 mi. n. of Ripley, Palo Verde Valley Comment
  CAS-BOT-BC189076  Eriodictyon crassifolium D. A. Johansen; J. A. Ewan 1932-4-10 7091 Riverside About mouth of Tahquitz Canyon Comment
  SDSU6018  Eriodictyon crassifolium Wende E. Rehlaender 1983-5-28 Riverside Santa Rosa Mountains. Along Highway 74 near turnoff for Ribbonwood Dr. about 19 miles along road from Palm Desert; about 3 miles. NW of Santa Mountain. Common, with Salvia, Adenostoma fasciculatum, A. sparsifolium, Eriogonum fasciculatum. Comment
  RSA0065642  Eriodictyon trichocalyx var. trichocalyx Cheryl Sevilla, Sarah J. De Groot 2015-3-17 36 Riverside Transverse Ranges; San Bernardino Mountains region: San Gorgornio Wilderness Area; in the Whitewater river drainage 0.38 air miles northwest of the Whitewater Preserve Ranger Station. 687 Comment
  CAS-BOT-BC248641  Eriogonum apiculatum Carl B. Wolf 1932-8-5 3938 Riverside San Jacinto Mts. Along trail from Tahquitz Valley to San Jacinto Peak 2621 Comment
  RSA393080  Eriogonum apiculatum Anstruther Davidson 1930-1 s.n. Riverside Tahquitz Ridge. 2439 Comment
  CAS-BOT-BC242760  Eriogonum davidsonii P. A. Munz; E. K. Balls 1952-8-21 17963 Riverside Hamilton Creek, s.e. part of San Jacinto Mts. 1371 Comment
  JOTR33944  Eriogonum davidsonii La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2833 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  POM306184  Eriogonum deflexum var. deflexum Henry J. Ramsey, Henry J. Ramsey 1939-11-28 s.n. Riverside Indio-(20 mi. east) Comment
  RSA393273  Eriogonum deflexum var. deflexum M. B. Dunkle 1933-3-4 3038 Riverside Painted Canyon, Colorado Desert. 30 Comment
  RSA749235  Eriogonum deflexum var. deflexum Robert F. Thorne, Rolf Dahlgren, Gertrud Dahlgren 1979-8-23 53612 Riverside Corronwood Springs Area Comment
  CAS-BOT-BC249760  Eriogonum elongatum var. elongatum John Thomas Howell 1928-11-4 4089 Riverside Between Banning and Cabazon in San Gorgonio Pass Comment
  UC511830  Eriogonum elongatum var. elongatum Frank W. Peirson 1933-4-15 10651 Riverside 4 1/2 mi above the bridge; Whitewater River 701 Comment
  UC1348957  Eriogonum evanidum Louis B. Ziegler 1967-10-10 Riverside Hemet Valley San Jacinto Mts., Hemet Valley 1402 Comment
  LA206857  Eriogonum fasciculatum var. foliolosum A. M. Johnson; 1932-4-23 4027 Riverside San Jacinto Mountains, along road Comment
  RSA34505  Eriogonum fasciculatum var. foliolosum N. C. Cooper 1944-7-15 1572 Riverside Banning. 701 Comment
  RSA614407  Eriogonum fasciculatum var. foliolosum D. L. Banks 1997-3-16 1540 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
  CAS-BOT-BC250134  Eriogonum fasciculatum var. polifolium Lewis S. Rose 1946-1-3 46011 Riverside Palms to Pines Highway 1066 Comment
  RSA393338  Eriogonum fasciculatum var. polifolium E. Crow 1929-2-24 182 Riverside Andreas Mesa, near Palm Springs. Colorado Desert. Comment
  RSA393340  Eriogonum fasciculatum var. polifolium H. de Forest, Rempel 1934-4-14 s.n. Riverside San Gorgonio Pass. 640 Comment
  RSA739339  Eriogonum fasciculatum var. polifolium Keith E. Hoffmaster 1936-4-26 714 Riverside Box Springs grade. Comment
  UCR11685  Eriogonum fasciculatum var. polifolium Carl Epling, Wm. Robison 1933-6-24 s.n. Riverside San Gorgonio Wash 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
  CAS-BOT-BC257574  Eriogonum inflatum H. M. Hall 1901-6-1 2120 Riverside San Jacinto Mountains. Eastern base, along the borders of the Colorado Desert Comment
  CAS-BOT-BC257583  Eriogonum inflatum Roxana S. Ferris 1918-6-14 980 Riverside In Box Canon [Canyon], Chocolate Mts. on Mecca-Blythe Rd Comment
  RSA795943  Eriogonum inflatum Duncan S. Bell 2009-4-19 277 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  CAS-BOT-BC266940  Eriogonum parishii P. A. Munz; E. K. Balls 1952-8-21 17983 Riverside Road, Vandeventer Flat to Santa Rosa Peak 2072 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
  RSA698446  Eriogonum pusillum J. R. Bruff 1927-3-12 3 -G Riverside Whitewater. Comment
  RSA772136  Eriogonum pusillum Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4977 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
  CAS-BOT-BC263528  Eriogonum thomasii Ivan Johnston 1917-4-4 1091 Riverside Near Palm Springs, Colorado Desert Comment
  CAS-BOT-BC263536  Eriogonum thomasii Peter H. Raven 1958-3-15 11844 Riverside Box Canyon Comment
  CAS-BOT-BC263542  Eriogonum thomasii Ira L. Wiggins 1937-3-9 8758 Riverside 5 miles west of Shaver's Well Comment
  OBI40205  Eriogonum thomasii G. K. Helmkamp 1983-4-5 483 -34 Riverside Chuckwalla MTs, large was below Chuckwalla Spring, 9 mi SW of Graham Pass Rd 488 Comment
  RSA0020370  Eriogonum thomasii Duncan S. Bell 2012-3-4 3129 Riverside Arica Mountains; west side of range, approximately 2.3 air miles west of Priests Well. 420 Comment
  RSA424957  Eriogonum thomasii Robert Gustafson 1978-3-22 835 Riverside Joshua Tree Natl. Monument, about 3 miles north of Hwy. 70 on the road that leads to 29 Palms. 610 Comment
  UC849590  Eriogonum thomasii Aven Nelson, Ruth A. Nelson 1939-3-30 3351 Riverside near Desert Center (n of Chuckwalla Mts.) Comment
  UCR167236  Eriogonum thomasii 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
  UCR263646  Eriogonum thomasii Aaron C. Sedgwick, Brett Griffin 2012-3-28 034 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road. c. 6 miles south of Hwy I-10 323 Comment
  POM122954  Eriogonum thurberi Marcus E. Jones 1926-6-8 s.n. Riverside Whitewater. Colorado Desert. Comment
  POM2305  Eriogonum thurberi Jenkins, Street 1917-5-30 1954 Riverside San Jacinto. Comment
  RSA424979  Eriogonum thurberi Anstruther Davidson 1892-04 s.n. Riverside Palm Springs. Comment
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Oct 3 2010
  UCR246556  Eriogonum trichopes Duncan S. Bell 2009-4-19 269 Riverside Arica Mountains, west side of range, c. 2.5 air miles SW of Priests Well 391 Comment
  UCR50886  Eriogonum trichopes A. C. Sanders 1988-5-11 7809 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal, east of the gasline road from Niland 549 Comment
  UC6466  Eriogonum umbellatum var. munzii unknown 1852-1 Riverside Mt. S. Jacinto Comment
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Nov 29 2010
  UCR13758  Eriogonum wrightii var. membranaceum N. R. Zabriskie, W. W. Zabriskie 1972-9-7 534 Riverside Peninsular Range; San Jacinto Mtns., Strawberry firebreak, south of S end of Marion Ridge Road, Pine Cove, W drainage Mtns 1921 Comment
  CAS-BOT-BC297336  Eriophyllum confertiflorum H. M. Hall 1901-7-1 2519 Riverside San Jacinto Mts. In the vicinity of Strawberry Valley 1828 Comment
  CAS-BOT-BC297342  Eriophyllum confertiflorum H. K. Wagnon 1944-5-30 415 Riverside By Tahquitz Creek, Palm Springs Comment
  POM357966  Eriophyllum confertiflorum Norman C. Cooper 1944-6-17 1405 Riverside San Jacinto Mtns. West side. 1372 Comment
  UCR165851  Eriophyllum confertiflorum T. B. Salvato, John F. Green 2004-5-27 635 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
  UC1118348  Eriophyllum confertiflorum var. confertiflorum C. Van Fleet 1931-1-24 8 Riverside ne of Oak Mountain; San Jacinto Quadrangle 731 Comment
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Nov 27 2011
  CAS-BOT-BC301788  Eriophyllum multicaule P. A. Munz; R. D. Harwood 1920-3-20 3386 Riverside Temescal Canyon 365 Comment
  UCSB18835  Eriophyllum wallacei Schevill, Peggy 1963-5-5 Riverside Pinyon Flats Campground, State Highway 74 1219 Comment
  UCR263231  Erodium botrys A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41459 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 2.95 miles ESE of Cabazon, c. 0.84 mi. NNW (335 deg. ) of One Horse Spring, south of I-10 and SE of water bottling plant, edge of wind farm 452 Comment
  RSA613643  Erodium cicutarium D. L. Banks, Victor W. Steinmann 1997-3-13 1476 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  UC1511319  Eryngium aristulatum var. parishii Robert F. Thorne, M. Z. Thorne and W. Wisura 1978-5-21 51968 Riverside Santa Rosa Plateau, Mesa de Colorado 609 Comment
  CAS-BOT-BC54335  Erysimum capitatum Roxana S. Ferris; Ruth P. Rossbach 1938-5-20 9659 Riverside 6 miles form Pinon Flat Public Camp on road to Hemet on State Highway #74. Comment
  RSA483603  Erysimum capitatum var. capitatum D. Charlton 1988-5-21 1961 Riverside Thomas Mtn Rd, W of Garner Valley and S of Lake Hemet on Hwy 74. 1829 Comment
  RSA0020062  Erythranthe guttata Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2114 Riverside Santa Rosa Mountains. Comment
  RSA433695  Eschscholzia californica D. A. Young 1969-3-21 395 Riverside 11 mile W of Elsinore, along Hwy 71. 244 Comment
  UCR124657  Eschscholzia californica B. C. Templeton, C. B. & I. W. Clokey 1930-4-15 1489 Riverside Gavilan Hills, Gavilan Peak, west of Perris 610 Comment
  UCR58490  Eschscholzia californica Ed LaRue 1989-6-11 s.n. Riverside Peninsular Range, W side of Lakeview Mtns., c. 1 mi SE of town of Nuevo 640 Comment
  RSA445669  Eschscholzia minutiflora M. B. Dunkle 1932-3-25 2915 Riverside 10 miles NW of Indio. Colorado Desert. 30 Comment
  RSA695435  Eschscholzia minutiflora Scott D. White, Michael Honer 2003-5-14 9288 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  RSA726533  Eschscholzia minutiflora Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Lelenad Lubinsky 2005-2-10 1443 Riverside Along Palen Road near Hwy 177. 170 Comment
  RSA776629  Eschscholzia minutiflora Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 943 Riverside Wash crossing Midland Rice Road, near saddle between Little Maria Mountains and Big Maria Mountains 320 Comment
  UCR104015  Eschscholzia minutiflora George K. Helmkamp 1998-4-4 3133 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  UCR245964  Eschscholzia minutiflora Duncan S. Bell 2009-3-8 90 Riverside Arica Mountains, west side of range in main drainage, c. 2.5 air miles west of Priest Well, or c. 7 air miles SW of ghost town of Rice 420 Comment
  JOTR38680  Eschscholzia papastillii Hodges, Stephen R. 2017-2-7 696 Riverside Joshua Tree National Park. Little San Bernardino Mountains, West Deception Canyon, near the mouth of the canyon just north of the park boundary Comment
  UCD95441  Eschscholzia papastillii P. C. Everett; E. K. Balls 1958-4-29 23013 Riverside U.S. Highway 60/70, Indio to Blythe, 1 mile west of Cactus City. 548 Comment
  UCD96467  Eschscholzia papastillii Shannon M. Still; Jennifer R. Still, Charles M. Still 2008-2-15 261 Riverside California. Riverside County: Joshua Tree National Park. 540 Comment
  RSA676107  Eschscholzia parishii Scott D. White 2001-4-17 8338 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
  RSA0010829  Eucalyptus Scott D. White, Justin M. Wood 2008-6-24 12282 Riverside Beaumont Badlands: San Timoteo Canyon. Meadow along San Timoteo Creek. 640 Comment
  UCR142929  Eucalyptus tereticornis Steve Boyd 1981-2-2 s.n. Riverside Gavilan Hills, upper Arroyo del Toro along old road grade (Lindell Rd.) west of Bull Canyon Road, at old homestead site 610 Comment
  POM256724  Eucrypta chrysanthemifolia W. Pequegnat 1940-4-13 s.n. Riverside Bedford Truck Trail. Santa Ana Mountains. 793 Comment
  RSA271438  Eucrypta chrysanthemifolia C. W. Tilforth 1978-4-30 1570 Riverside Low rounded hills east of Norco. Comment
  RSA525423  Eucrypta chrysanthemifolia Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4531 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  UCR241820  Eucrypta chrysanthemifolia A. C. Sanders, Timothy W. Chumley 2013-4-2 40756 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., south of I-15 Fwy, SE of Corona (Lee) Lake 405 Comment
  UCR260853  Eucrypta chrysanthemifolia A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41419 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
  UCR21927  Eucrypta chrysanthemifolia var. chrysanthemifolia Steve Boyd 1980-4-8 110 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR98684  Eucrypta chrysanthemifolia var. chrysanthemifolia S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  UCSB42179  Eucrypta micrantha Roos, John 1958-2-21 Riverside Corn Springs, Chuckawalla Mtns. Comment
  UCR241564  Euphorbia albomarginata A. C. Sanders 2013-4-16 40798 Riverside Peninsular Range; SE Gavilan Hills, SCE power line west of the San Jacinto River and south of Perris, 3.2 km WSW of the intersection of Goetz & Ethanac roads 439 Comment
  UCR101579  Euphorbia eriantha 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
  OBI39241  Euphorbia maculata A. C. Sanders 1982-6-12 2713 Riverside Riverside, garden at 422 Campus View Dr Comment
  UCR100572  Euphorbia nutans George K. Helmkamp 1997-11-1 2514 Riverside Sonoran (Colorado) Desert, Bermuda Dunes, 41st St and Sparky (just east of Washington and south of I-10) 30 Comment
  UCR159143  Euphorbia ophthalmica A. C. Sanders, G. K. Helmkamp 1996-3-17 17979 Riverside Coachella Valley, Palm Springs, shopping center at SE corner of Raquet Club Dr. and Palm Canyon Dr. 189 Comment
  UCR941  Euphorbia palmeri J. E. Dimitman 1957-5-18 s.n. Riverside Peninsular Range; San Jacinto Mtns., Bautista Canyon Wash 793 Comment
  SEINET10739816  Euphorbia polycarpa Lewis S. Rose 1935-12-19 Rose 35663 Riverside Colorado Desert, Palm Springs, CA. 133 Comment
  UCR277705  Euphorbia serpens Mitch Provance 2012-11-3 1112- 04 Riverside San Timoteo Canyon, West Beaumont, N side of Oak Valley Parkway (San Timoteo Canyon Rd.), 1.5 miles W of I-10. 709 Comment
  UCR46718  Euphorbia serpillifolia B. G. Pitzer, D. C. Hawks 1986-12-2 0368 Riverside Peninsular Range, Temescal Canyon, c. 1 mi north of Glen Ivy Hot Springs and 0.5 mi west of I-15 off Lawson Drive between Temescal Canyon Road & Warm Springs Dr. 336 Comment
  JOTR35986  Euphorbia setiloba Harding, Mitzi, Mark Wheeler 2012-9-4 197 Riverside Joshua Tree National Park. Pinto Basin; active wash between rocky/ gravelly hills west of Pinto Mtn (stop 3) 479 Comment
  UCD142857  Euphorbia setiloba Lewis S. Rose 1967-12-19 67178 Riverside La Quinta. 15 Comment
  RSA524414  Euphorbia spathulata Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4106 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  SEINET13945540 Image available Fagonia chilensis C. L. Hitchcock 1966-1 24209 Riverside along Palms to Pines Hwy, 4 mi S of Palm Desert; 2000 ft alt. 610 Comment
  RSA485835  Fagonia laevis T. S. Elias 1988-2-26 10689 Riverside Joshua Tree. Northeastern section of Eagle Mountains east of Joshua Tree National Monument. Comment
  UC519870  Fagonia laevis N. Dunn and A. M. Martin Mar 26 1932-Mar 27 1932 Riverside Cottonwood Spring Comment
  UC667351  Fagonia laevis Annie M. Alexander and Louise Kellogg 1941-5-26 2235 Riverside n wall Munsen Canyon; Eagle Mts. 822 Comment
  CAS-BOT-BC293741  Fagonia pachyacantha Mona Bourell 1987-4-14 3277 Riverside BLM California Conservation Area, Hwy 195, spur off of Box Canyon. Near Mecca 150 Comment
  JOTR31895  Fagonia pachyacantha La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2144 Riverside Joshua Tree National Park. West Cottonwood Mountains; east edge of Pinkham Wash east of Pinkham Canyon Road; loose, cobbley, south facing slope above large drainage Comment
  SBBG119166  Fatoua villosa A. C. Sanders 2004-8-10 28766 Riverside ca. 3 mi ENE of Perris, W of Menifee Rd (Pozos Ave) and S of Nuevo Rd, between San Jacinto River and Nuevo 432 Comment
  SEINET11841375  Felicia amelloides O. F. Clarke 1970-1 s.n. Riverside Riverside, University of California campus, Botanic Gardens Comment
  SEINET269323 Image available Festuca octoflora A. C. Sanders, G. Helmkamp; P. MacKay et al 1995-3-19 16170 Riverside Coachella/San Jacinto Mtns. foothills: N-facing rocky slope in Chino Canyon along the Palm Springs tram road 2 mi. abov 490 Comment
  UCR20435  Festuca octoflora John C. Roos 1952-4-9 5483 Riverside Hill by Fairmont Park, Riverside 259 Comment
  UCR2418  Festuca octoflora F. M. Reed 1908-4-26 2317 Riverside Riverside. Along Crestmore railroad north of Fairmount Park Comment
  UCR86654  Festuca octoflora A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16261 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
  RSA751920  Ficus carica Scott D. White, Justin M. Wood 2009-5-22 12924 Riverside San Jacinto Mts: Halfway Spring, accessed via Old Control Road. 1159 Comment
  SBBG119938  Ficus carica A. C. Sanders with O. F. Clarke 1991-6-10 11119 Riverside Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River; Riverside 238 Comment
  UCR209295  Ficus palmata A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37152 Riverside Peninsular Range, Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  RSA525321  Filago arizonica Steve Boyd, David E. Bramlet 1990-4-29 4475 Riverside Lake Skinner County Park, S flank of Bachelor Mountain Comment
  UCR48391  Filago arizonica Steve Boyd 1986-5-1 1789 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  SEINET7073467  Filago californica A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  POM9583  Filago californica I. M. Johnston 1920-5-8 s.n. Riverside Jurupa Mountains, extreme west end. Comment
  UCR101333  Filago gallica A. C. Sanders 1997-4-10 20316 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  JEPS45714  Fouquieria splendens subsp. splendens W. L. Jepson 1912-10-30 5251 Riverside Black Point; Riverside Mts., Colorado River Comment
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Nov 9 2014
  UC69304  Fouquieria splendens subsp. splendens L. A. Greata Apr 1905 Riverside Coachella Comment
  UCR268290  Frangula californica subsp. cuspidata Jim Andre 2012-6-15 30533 Riverside San Jacinto Mountains, Banning, along Hwy 243, 10.7 miles south of Interstate 10, San Bernardino National Forest 1499 Comment
  UC1122129  Frankenia salina A. Lewis May 1934 457 Riverside Lakeview Elsinore Quadrangle Comment
  POM13788  Fraxinus dipetala P. A. Munz, I. M. Johnston 1922-5-5 5149 Riverside Jack rabbit Trail, near Beaumont. 732 Comment
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Mar 21 2011
  RSA735984  Fraxinus dipetala Scott D. White, Justin M. Wood 2008-5-12 11946 Riverside Beaumont- NE point of the Beaumont Badlands, N of Mt. Davis. 793 Comment
  CAS-BOT-BC211022  Fraxinus velutina Carl B. Wolf 1940-10-30 9758 Riverside San Jacinto Mts. Penrod Canyon S.E. of Kenworthy Guard Station 1524 Comment
  UCR199568  Fraxinus velutina Scott D. White, Angelia Carey 2004-7-2 10598 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  UCR240767  Fumaria officinalis O. F. Clarke 2004-2-4 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 412 Comment
  RSA0041958  Funastrum hirtellum Duncan S. Bell, Loraine Washburn 2014-4-10 6595 Riverside Orocopia Mountains; northeastern section of range; approximately 4 air miles southeast of Hayfields Lake. 559 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
  SD247303  Funastrum hirtellum Andy Sanders, Jim Malusa 2015-3-11 41406 Riverside Sonoran (Colorado) Desert: Chocolate Mountains, side canyon draining from the northeast into large canyon containing the Gasline Road, about 2.5 miles north of the Imperial County line, US Navy Chocolate Mountains Aerial Gunnery Range. 594 Comment
  JOTR32026  Funastrum utahense La Doux, Tasha, T. Herskovits, M. Harding 2011-4-21 2256 Riverside Joshua Tree National Park. Pinto Basin, near Turkey Flats back country parking lot; open gravelly flats (Stop 4) 518 Comment
  CLARK-A1528-7882  Galium angustifolium subsp. angustifolium John C. Roos 1948-5-8 3819 Riverside Whitewater Canyon 548 Comment
  JOTR16839  Galium angustifolium subsp. gracillimum Baker, James K. & Baker, Ilisa T. 1966-6-17 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS 1676 Comment
  RSA609659  Galium angustifolium subsp. jacinticum R. S. Woglum 1937-5-22 509 c Riverside Santa Rosa Mountains, near Santa Rosa Indian Reservation. Comment
  POM367762  Galium aparine Robert Gustafson 1985-5-20 3115 Riverside San Jacinto Mtns., R-1, between Lake Fulmar and Allandale. Comment
  RSA586143  Galium aparine D. L. Banks, Steve D. Boyd 1995-3-16 105 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. E of the Dripping Springs Alcove, N slope of Wildhorse Peak, on the Wildhorse Trail. 610 Comment
  SD73599  Galium aparine Helen V. Witham 1970-5-1 846 Riverside steep north bank, Bautista Canyon, southeast of Hemet 800 Comment
  UC144128 Image available Galium jepsonii Charlotte M. Wilder 1909-8-3 1113 Riverside Whitewater Basin; ; Riverside Co. Comment
  SDSU13968  Galium nuttallii subsp. nuttallii Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2104 Riverside North end of El Valle meadow. Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 640 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
  JOTR29311  Galium stellatum var. eremicum La Doux, Tasha, Mike Bell 2006-5-17 1388 Riverside Joshua Tree National Park. East Deception Canyon Comment
  RSA570550  Garrya flavescens Steve Boyd, Chris Frazier 1993-4-24 8009 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck rd. 792 Comment
  SBBG5336  Garrya flavescens H. and M. Dearing 1937-11-27 Riverside Santa Rosa Mtn Comment
  UCR18855  Garrya flavescens John C. Roos 1950-3-6 4788 Riverside Santa Ana Mtns., head of Hagador Canyon. 1037 Comment
  UCR275313  Garrya flavescens J. Dansie 2016-5-25 41 Riverside San Bernardino Mtns., Cherry Valley, off Edgar Canyon Road 1215 Comment
  RSA444788  Garrya flavescens var. pallida J. C. Roos 1966-4-23 s.n. Riverside Skyline Drive, Santa Ana Mtns., above Corona. Comment
  CAS-BOT-BC158074  Garrya veatchii S. B. Parish 1918-4-3 11696 Riverside Oak Lodge, mouth San Jacinto [Canon] Canyon 914 Comment
  UC1541256  Garrya veatchii H. E. and S. T. Parks 1938-2-16 24087 Riverside Hemet Highway to Indio (San Jacinto Mountain); San Jacinto Mountain 914 Comment
  POM259112  Gayophytum diffusum subsp. parviflorum P. A. Munz 1938-8-14 15361 Riverside Virgin Spring, Santa Rosa Peak. 2287 Comment
  SBBG61255  Gayophytum racemosum R. Hoffmann 1929-9-5 Riverside Tahquitz Ridge Comment
  UCSB4350  Gayophytum ramosissimum Kamb, Peter 1948-7-4 Riverside Hall Canyon, San Jacinto Mts 1645 Comment
  RSA577514  Gazania linearis D. L. Banks, S. D. Boyd 1995-2-16 0043 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, along the Woodchuck Trail. 627 Comment
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Feb 20 2020
  CAS-BOT-BC303570  Geraea canescens N. Aitkenhead 1977-1-31 2117 Riverside 6 miles W of junction of 1000 Palms Canyon Rd Comment
  CAS-BOT-BC303585  Geraea canescens Frank W. Peirson 1921-3-23 2782 Riverside 10 miles SE of Palm Springs Comment
  RSA308542  Geraea canescens Henry J. Ramsey, Henry J. Ramsey 1939-11-28 3153 Riverside La Quinta Comment
  SEINET10726155  Geraea canescens Billy Joe Cox 1975-4-23 Cox 4176 Riverside Palo Verde, 1-3 km W, (ca, 32 mi S of Blythe). 70 Comment
  UC489193  Geranium californicum C. V. Meyer 1928-7-24 515 Riverside above Idyllwild Falls; San Jacinto Mts. 1981 Comment
  RSA263660  Geranium dissectum E. W. Lathrop 1975-5-27 7457 b Riverside West of Murrieta, Santa Rosa Plateau. 610 Comment
  UCR139140  Gilia John F. Green 2003-6-11 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR240644  Gilia Tracy Tennant, Mitch Provance 1998-6-16 MOR- 436 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon, in wash just north of woodland stand M15 1098 Comment
  RSA628246  Gilia angelensis George K. Helmkamp, E. A. Helmkamp 1997-3-5 1335 Riverside Cabazon; 0.5 mi N of I-10 on Millard Rd. 564 Comment
  UC1537499  Gilia angelensis Gordon H. True Jr. 1935-2-26 17 Riverside Mockingbird Canyon 365 Comment
  UC2015540  Gilia angelensis A. C. Sanders with G. Helmkamp, P. MacKay, et al 1995-3-19 16171 Riverside Coachella Valley/San Jacinto Mtns. Foothills, N-facing rocky slope in Chino Canyon along the Palm Springs tram road, 2 miles above Highway 111 (Palm Canyon Dr.) Comment
  UC880109  Gilia angelensis P. A. Munz and I. M. Johnston 1922-5-19 5350 Riverside 5 mi ne Murietta; ne of Murietta 457 Comment
  UCR98211  Gilia angelensis B. G. Pitzer 1997-4-1 3059 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  POM9010  Gilia angelensis P. A. Munz, R. D. Harwood 1920-3-20 3397 Riverside Temescal Canyon. 366 Comment
  UCR193894  Gilia capitata A. C. Sanders, Mitch Provance 2008-7-11 35797 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
  CAS-BOT-BC123780  Gilia hallii Harvey Monroe Hall 1899-5-1 s.n. Riverside El Toro Mt. Comment
  POM8322  Gilia latiflora subsp. latiflora Mary F. Spencer 1920-4-5 1572 Riverside Palm Springs, Colorado Desert. 122 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
  UC1595756  Gilia latifolia W. Wisura, J. Dolan, M. Wall 1992-3-24 4625 Riverside on Box Canyon Rd. 7.7 mi ne Mecca; ne of Mecca Comment
  UCR86866  Gilia latifolia A. C. Sanders, K. C. Rose 1995-4-27 16742 Riverside Sonoran (Colorado) Desert, Coachella Valley, foot of the Little San Bernardino Mtns., canyon east of Fan Hill, just outside Joshua Tree Nat. Park 549 Comment
  RSA0016234  Gilia ochroleuca R. F. Thorne 1995-3-29 63023 Riverside White Water Canyon. 600 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
  JEPS29305  Gilia ochroleuca subsp. exilis Rimo Bacigalupi, and L. Heckard 1962-3-25 8400 Riverside about 10 air miles nw Elsinore (near Arcilla siding of A.T. & S.F. Railway, just below and e of state Highway 71); Temescal Wash 289 Comment
  JEPS4073  Gilia ochroleuca subsp. exilis M. French Gilman 1921-4-15 12 Riverside Banning Comment
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Dec 17 2016
  RSA0016238  Gilia ochroleuca subsp. exilis Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4728 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA0016289  Gilia ochroleuca subsp. exilis Scott D. White, Justin M. Wood 2008-6-18 12210 Riverside San Jacinto Mountains: K Flat Meadow. 1433 Comment
  RSA0017291  Gilia ochroleuca subsp. exilis J. Mark Porter, Theodore Anderson 2005-5-5 14380 .5 Riverside agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church, along Pechanga Road; ca. 60 m E crossing of Pechanga Creek. 396 Comment
  UC23663  Gilia ochroleuca subsp. exilis H. M. Hall June, 1901 2212 Riverside along water courses in the vicinity Strawberry Valley; San Jacinto Mountains, vicin Strawberry Valley 1600 Comment
  RSA0017051  Gilia ochroleuca subsp. exilis R. C. Bacigalupi, L. Heckard 1962-3-25 8400 Riverside Temescal wash, near Arcilla siding of the A.T. & S.F. railway, just below and east of state highway 71. About 10 air miles northwest of Elsinore. 290 Comment
  RSA332592  Gilia scopulorum George K. Helmkamp 1983-3-24 383 -16 Riverside Little Chuckwalla Mtns, north base, 1.5 mi east of Graham Pass Rd. 335 Comment
  RSA771353  Gilia stellata Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4982 -a 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
  RSA445520  Glaucium flavum Donald A. Johansen 1933-7-14 710 Riverside Along road from Cherry Valley to Mesa Mira. 1372 Comment
  IRVC28172  Glinus lotoides A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27909 Riverside Alberhill Mtn., SE of old clay mining area. Peninsular Ranges 448 Comment
  UCR24009  Glyceria elata John C. Roos 1965-7-3 s.n. Riverside San Jacinto Mtns., Dark Canyon, north fork of the San Jacinto River Comment
  UCR99575  Glycyrrhiza lepidota G. R. Ballmer 1996-5-19 s.n. Riverside E of Murrieta: near margin of Warm Springs Creek, adjacent to Hwy I-15 right-of-way. 366 Comment
  RSA32430  Gnaphalium beneolens N. C. Cooper 1943-10-9 952 Riverside Bracts white Comment
  UCR138833  Gnaphalium californicum D. L. Banks 1997-4-5 1671 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
  RSA89959  Gnaphalium canescens J. C. Roos 1950-10-21 5014 Riverside Wonderland of Rocks [Joshua Tree National Park] 1220 Comment
  POM48727  Gnaphalium chilense I. M. Johnston 1924-7-29 8834 Riverside 6 miles SE of Poppet Flats, San Jacinto Mountains. 1524 Comment
  UCR158136  Gnaphalium luteoalbum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30118 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-BC307399  Gnaphalium palustre A. C. Sanders; Guy Bruyea 2003-6-12 26886 Riverside Winchester, SW edge of town between Simpson Ave. and Olive Ave. ca. 1 km west of Hwy 79/Winchester Road 445 Comment
  SEINET6413738  Gnaphalium palustre R. Spellenberg 2014-5-7 14777 Riverside S of Moreno Valley, 1.6 km N of Ramona Expressway on Davis Road, toward San Jacinto Wildlife Area. 435 Comment
  UCR281213  Gnaphalium palustre Mitch Provance, John Hazlett, Matt K. Beyers 2017-4-19 417- 52 Riverside Menifee Valley, Menifee, about 0.5 miles south of Sun City, and 0.5 miles west of Romoland, SW corner of Lazy Creek Rd. and Murrieta Rd. 431 Comment
  UCR23266  Gnaphalium stramineum C. Filmer 1981-5-23 81 4 Riverside Box Springs Mtn., Box Springs Mtn. Park. c. 2.5 mi up Box Springs Rd. from Pigeon Pass Rd. On edge of vernal creek down rd. 671 Comment
  RSA561815  Guillenia lasiophylla Steve Boyd 1992-4-14 6828 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail. 341 Comment
  CLARK-A1528-226  Gutierrezia bracteata C. M. Flanagan 1973-5-31 OO 630 Riverside Morongo Indian Reservation 975 Comment
  CAS-BOT-BC304640  Gutierrezia californica J. C. Roos 1965-9-26 s.n. Riverside Near Palm Springs station Comment
  UCR250366  Gutierrezia californica A. C. Sanders 2014-4-25 41072 Riverside Peninsular Range, Temescal Canyon, Richland property between Horsethief Canyon Rd and Hostettler Rd., SW of I-15 392 Comment
  UCR182862  Haplopappus squarrosus Mitch Provance 2005-2-19 5702 Riverside San Bernardino Valley, NE extreme of the Jurupa Mtns., slopes south of Fontana Dr. 290 Comment
  CAS-BOT-BC231103  Harpagonella palmeri Steve Boyd 1986-4-10 1644 Riverside Temescal Canyon: Along DePalma Road between Indian Truck Trail and Horsethief Canyon, 1.0 mile E of Indian Truck Trail Comment
  UCR139181  Harpagonella palmeri Virginia Moran 2003-4-2 s.n. Riverside Peninsular Range, Warm Springs Preserve (managed by Center for Natural Lands Management), approximately 8 km north of Temecula and 3 km northeast of the [west?] end of Hunter Road 396 Comment
  UCR228829  Harpagonella palmeri A. C. Sanders 2011-4-26 39328 Riverside Peninsular Range, Alberhill Mountain, south side near Nichols Rd., c. 350 m WNW (276 deg. ) of Nichols Rd. & Pierce St. intersection 395 Comment
  SBBG94677  Hazardia squarrosa S. D. White 1990-9-25 Riverside Santa Rosa Plateau, ca. 5 air mi SW of Temecula, on Via Yerba Rd, E of Vaquero Rd 396 Comment
  UCR268301  Helianthemum scoparium Jim Andre 2012-6-15 30521 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243, 8.6 miles south of Hwy I-10 at Banning, just northeast of Hungry Hollow and Poppet Flat 1309 Comment
  RSA357134  Helianthemum scoparium var. vulgare R. F. Thorne 1969-10-25 41853 Riverside N of San Bernardino National Forest: N of Boundary on Idlywild-Banning road Comment
  RSA192195  Helianthus annuus subsp. lenticularis E. W. Lathrop 1959-9-11 4647 Riverside 14 miles W of Murrieta Comment
  RSA0012943  Helianthus californicus P. A. Munz 1922-9-5 6362 Riverside Strawberry Valley, north end. 1677 Comment
  CAS-BOT-BC305707  Helianthus gracilentus Peter H. Raven; Sidney R. Snow 1956-7-6 9660 Riverside Vandeventer Flat, San Jacinto Mts. Comment
  CLARK-A1528-1913  Helianthus niveus subsp. canescens John C. Roos 1965-4-28 Riverside Palm Springs Comment
  SD233777  Heliotropium curassavicum A. C. Sanders, Kelly Volansky 2003-10-16 27344 Riverside Moreno Valley: lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. (Riverside East 7.5' Q). 534 Comment
  UCR126935  Heliotropium curassavicum Julie A. Greene 1993-5-12 1319 Riverside San Jacinto Valley, San Jacinto Wildlife Area, SE end of visitor center road, east of Davis Road 436 Comment
  RSA588811  Heliotropium curassavicum var. oculatum D. L. Banks, S. D. Boyd 1995-11-17 764 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  POM122242  Hemizonia fasciculata S. B. Parish 1916-6-8 10973 Riverside Between San Bernardino and Riverside, on the coastal slope of southern California (Cismontane area) 360 Comment
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Sep 3 2011
  UCR260528  Hemizonia fasciculata T. B. Salvato 2014-5-29 8042 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully, c. 1.13 mi west of Murrieta Rd and 4.10 mi southeast of Canyon Lake 537 Comment
  UCR268588  Hemizonia kelloggii Jim Andre 2012-6-15 30542 Riverside San Jacinto Mountains, west slopes of range along Poppet Flat Road, Poppet Creek canyon, 3.2 miles west of Hwy 243 1022 Comment
  UCR140450  Hemizonia pungens subsp. laevis A. C. Sanders, Guy Bruyea 2004-4-2 27426 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  POM14597  Hesperocallis undulata Bradley 1922-4-10 6 Riverside Near Mecca. Comment
  RSA68718  Hesperocallis undulata Frank W. Peirson 1927-4-13 7178 Riverside Canyon near east end of Santa Rosa Mountains, 8 miles from boulevard; desert near Mecca. Comment
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Nov 13 2011
  RSA395901  Hesperolinon micranthum Steve Boyd 1986-4-22 1773 Riverside Temescal Canyon; W side of Indian Wash, S of I-15 Comment
  UC1931078  Heterocodon rariflorum Scott D. White, Justin Wood 2008-7-9 12429 Riverside San Jacinto Mountains: K Flat, from large pond downstream to meadow. Comment
  RSA0008465  Heterotheca fastigiata Scott D. White, Michael Honer 2003-5-13 9247 Riverside San Bernardino Mtns: Whitewater Canyon, ca. 2 miles north of Bonnie Bell. 579 Comment
  RSA601195  Heterotheca fastigiata Scott D. White 1996-8-15 4473 Riverside San Jacinto Mtns. Idyllwild Area: Alvin Meadows and unnamed canyon upstream. (immed. adjacent to Idyllild topo) 1524 Comment
  UCD133090  Heterotheca sessiliflora subsp. echioides Scott D. White; Angelina Carey 2004-9-16 10755 Riverside San Jacinto Mountain: along Poppet Creek NE of San Jacinto River. 561 Comment
  UC64040  Heuchera hirsutissima H. M. Hall 320 1/2 Riverside on the peak San Jacinto Mountains 3293 Comment
  RSA603300  Heuchera parishii R. E. Riefner 1997-8-7 97 -242 Riverside Santa Rosa Mountain: near summit 2439 Comment
  RSA0104412  Hibiscus denudatus Duncan S. Bell, Sarah DeGroot, Cheryl Sevilla 2015-2-10 7741 Riverside Santa Rosa Mountains; upper north fork of Bear Creek, about 5.75 air miles north of the summit of Martinez Mountain. 357 Comment
  RSA698122  Hibiscus denudatus Mary Edmunds 1932-3-26 s.n. Riverside Oasis-Coachella Valley. Comment
  RSA704590  Hibiscus denudatus LeRoy Gross 2005-3-3 1589 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  UCR74358  Hibiscus denudatus Theo Glenn 1991-4-30 91- 56 Riverside Sonoran (Colorado) Desert, McCoy Mtns, NW of Blythe 280 Comment
  CAS-BOT-BC312332  Hieracium albiflorum Mary F. Spencer 1919-7-5 1343 Riverside San Jacinto Mts. 1645 Comment
  CSUSB454  Hilaria rigida Wayne White 1975-5-17 Riverside Chuckwalla Mountains On Red Cloud Road, off Highway I-10, Chuckwalla Mountains. Colorado Desert. 484 Comment
  CAS-BOT-BC207515  Hoffmannseggia glauca H. M. Hall 1905-4-20 5829 Riverside Colorado Desert, Coachella 20 Comment
  SBBG3333  Hoffmannseggia glauca H. and M. Dearing 1938-3-5 1961 Riverside between Blythe and Desert Center Comment
  UCR33610  Hoffmannseggia glauca Sears 1977-10-12 S- 583 Riverside Sonoran (Colorado) Desert, 20 mi. east of Desert Center, 10 mi. east of Corn Springs exit 134 Comment
  RSA0118590  Hoffmannseggia microphylla Sarah J. J. De Groot, Cheryl Sevilla 2016-3-16 7652 Riverside Mecca Hills: Side canyon along Painted Canyon Road. northeast of Mecca, northwest of Box Canyon. 170 Comment
  SBBG92826  Hoffmannseggia microphylla D. Charlton 1988-2-18 1134 Riverside Fargo Cyn Rd to Cottonwood Wash, parallel to Interstate 10, ca. 1 mi E of jct of Dillon Rd and Fargo Cyn Rd 609 Comment
  UCD105856  Hoffmannseggia microphylla Geoffrey Levin 1975-4-5 465 Riverside 1 mile west of Berdoo Canyon Road on Dillon Road. Foothills of Little San Bernardino Mountains. Salton Sink Drainage area. 60 Comment
  SBBG95145  Hoita macrostachya M. Hales 1977-11-6 Riverside Oasis de Los Osos, Snow Crk Cyn Comment
  UCR133950  Holocarpha virgata subsp. elongata John F. Green 2003-8-15 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, south side of Wendy Lane off Calle De Suenos, south of Avenida La Cresta and Avenida Castilla 701 Comment
  RSA654572  Hordeum brachyantherum Marion P. Harthill 1976-5-6 s.n. Riverside Rancho California. [county not specified] 610 Comment
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May 20 2012
  POM229707  Hordeum brachyantherum subsp. californicum P. A. Munz 1937-5-27 14936 Riverside Overflow from Lake Elsinore. Comment
  UCR91873  Hordeum intercedens A. C. Sanders, K. D. Jones, D. Malueg 1996-4-20 18046 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  UCSB45608  Hordeum intercedens Roos, John 1952-4-23 Riverside 1 mile southeast of Perris 426 Comment
  RSA0018955  Horkelia clevelandii Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 692 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA720462  Hulsea vestita subsp. callicarpha Naomi Fraga, Steve Boyd, Sarah Siedschlag 2006-5-22 1681 Riverside On road the leads to Duchess Canyon, east of Fobes Ranch. 1677 Comment
  UC32856 Image available Hulsea vestita subsp. callicarpha H. M. Hall 1899-5-26 1180 .1 Riverside at Kenworthy; San Jacinto Mts., Thomas Valley; Thomas Valley, San Jacinto Mts. 1386 Comment
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Mar 25 2011
  UCR9379  Hulsea vestita subsp. callicarpha D. H. Wilken 1965-6-29 338 Riverside San Jacinto Mtns, Near Hall Canyon, at Lake Fulmor 1494 Comment
  SBBG119937  Hydrocotyle ranunculoides A. C. Sanders with O. F. Clarke 1991-6-10 11120 Riverside Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River; Riverside 238 Comment
  SEINET2055704 Image available Hymenoxys cooperi P. Leary 1975-6-6 1267 Riverside 1/4 mile E of the shaft in Johnny Long Canyon, Joshua Tree National Monument 1310 Comment
  UC871762  Hypericum anagalloides P. A. Munz 1922-7-6 5998 Riverside Tahquitz Valley San Jacinto Mts., Tahquitz Valley 2194 Comment
  RSA704878  Hypericum androsaemum J. B. B 1934-6-13 551 Riverside Idyllwild. Comment
  RSA458247  Hypericum formosum var. scouleri L. C. Wheeler 1931-10-3 187 Riverside Strawberry Valley, San Jacinto Mountains. 1585 Comment
  CAS-BOT-BC219751  Hyptis emoryi W. R. Dudley 1903-12-28 s.n. Riverside Near Palm Springs Comment
  OBI13685  Hyptis emoryi Robert F. Hoover 1966-10-15 10164 Riverside Dead Indian Cyn Comment
  RSA420174  Hyptis emoryi M. B. Dunkle 1932-3-25 2907 Riverside Palm Springs. Comment
  UCSB5691  Hyptis emoryi Krogen, Roger 1957-1 Riverside Canyon bottom 7 mi. E of Mecca on HWY 195 in Box Canyon Wash Comment
  UCD126501  Ipomoea triloba T. C. Fuller 1962-10-2 9703 Riverside west side of Neighbors Blvd., 0.8 miles south of Ripley, Palo Verde Valley. Comment
  UC1126553  Isomeris arborea H. S. Yates 1936-4-7 5417 Riverside near Palm Springs; San Jacinto Quad. 152 Comment
  UCR96807  Isomeris arborea Bern Schwenn 1994-4-1 s.n. Riverside Sonoran (Colorado) Desert, Eagle Mountains, Hayfield Spring on the south side of the range. 700 Comment
  UCR22501  Isomeris arborea var. arborea C. S. Jones 1979-2-24 8 Riverside Sonoran (Colorado) Desert, 4 miles southeast of Eagle Mountain., near old Eagle Mtn. Road 305 Comment
  UCD60369  Jarava speciosa T. B. Salvato; Kent Beaman 2005-5-16 782 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
  SD227840  Juglans californica A. C. Sanders, K. C. Rose 1999-6-18 22803 Riverside Skinner/Domenigoni area; French Valley, E side of Washington Ave., 1/2 mile S of Rawson Rd (Winchester 7.5'Q). Valley botton, probably subirrigated. 438 Comment
  RSA781326  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37150 Riverside Peninsular Range: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  SEINET10796317  Juncus J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12856 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then several kilometers on Whitewater Canyon Road to where it crosses over the river. Comment
  CAS-BOT-BC110068  Juncus acutus W. R. Dudley 1903-12-26 s.n. Riverside Palm Springs. Comment
  POM123049  Juncus acutus subsp. leopoldii Marcus E. Jones 1906-4-27 s.n. Riverside Palm Springs. Comment
  UCR232054  Juncus balticus John F. Green 2008-4-22 06- 05 Riverside Peninsular Range, hills south of Perris, powerline route just above the San Jacinto River, east of Lantana Dr., south of Ethanac Rd. 442 Comment
  CLARK-A1528-4874  Juncus bufonius John C. Roos 1937-5-10 2069 Riverside Perris Comment
  RSA719519  Juncus bufonius Naomi Fraga, et al. 2006-7-11 1725 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  UCR110922  Juncus bufonius A. C. Sanders, K. C. Rose 1999-6-18 22825 Riverside Domenigoni Valley, upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, south of Winchester 433 Comment
  UCR167845  Juncus bufonius T. B. Salvato, Melissa Clemons 2005-6-2 1348 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
  UCR109697  Juncus effusus subsp. austrocalifornicus T. W. Fisher 1963-9-24 s.n. Riverside San Jacinto Mtns., Idyllwild 1585 Comment
  RSA254371  Juncus luciensis E. W. Lathrop 1975-5-4 5451 Riverside Santa Ana Mountains, Santa Rosa Plateau, Mesa de Burro, 3.0 miles W of Murrieta. Comment
  RSA520947  Juncus macrophyllus Steve Boyd, David E. Bramlet 1988-10-8 2872 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Comment
  POM259179  Juncus mexicanus Phillip A. Munz 1938-8-13 15325 Riverside Cedar Spring, north base of Santa Rosa Peak. 2287 Comment
  UCR266359  Juncus mexicanus D. E. Bramlet 2005-6-28 3883 Riverside Murrieta, Elm St. NE of I-15, just S of I-215 junction 329 Comment
  UCR193494  Juncus oxymeris A. C. Sanders, Tim Thomas 2008-6-20 35542 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  RSA788095  Juncus rugulosus Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49553 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons Comment
  SBBG57370  Juncus xiphioides R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns 1645 Comment
  UCR174110  Juncus xiphioides A. C. Sanders 2006-5-19 32452 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  CAS-BOT-BC85413  Juniperus californica B. D. Stark 1932-6-17 3749 Riverside Colorado Desert. Eagle Mts., Canyon above Cottonwood Springs 411 Comment
  RSA496126  Juniperus californica Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 3003 Riverside Vail Lake area, Temecula Creek Cyn below Vail Lake Dam 457 Comment
  UC1929342  Juniperus californica Scott D. White, Angelia Carey 2004-7-2 10578 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. Comment
  UC813451  Juniperus californica I. W. Clokey 1935-4-17 6507 Riverside Cottonwood Springs Comment
  CAS-BOT-BC234595  Justicia californica Jeanne R. Janish 1953-1-7 1026 Riverside Mecca Wash - Mecca (Box Canyon) Comment
  JEPS9192  Justicia californica Marjorie D. Clary 1934-3-3 Riverside 18 mi. w. of Indio (Carrizo Canyon); Carrizo Canyon 304 Comment
  JOTR31775  Justicia californica Andre, Jim, Tasha La Doux 2009-3-10 11245 Riverside Joshua Tree National Park. South end of the Cottonwood Mountains, near Pinkham Wash just north of aquaduct just inside park boundary; approx. 7mi west of south entrance 541 Comment
  LA202787  Justicia californica B. Lewis; 1939-4-9 sn Riverside Palms to Pines Highway 152 Comment
  POM296051  Justicia californica L. S. Rose 1946-12-24 46304 Riverside Desert water-course, Tahquitz Canyon Wash. Palm Springs. 139 Comment
  UC447180  Justicia californica J. Ewan 1931-4-4 4145 Riverside 5 mi. e. Desert Center; Colorado Desert Comment
  UCR233155A  Justicia californica Jim Andre, Glenn L. Clifton 2011-2-22 17456 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  UCR25774  Justicia californica John C. Roos 1937-4-28 795 Riverside Sonoran (Colorado) Desert, 30 miles west of Desert Center [Shavers Valley] Comment
  JOTR01220  Justicia californica Cole, James E. 1941-3-30 455 Riverside Joshua Tree National Park. COTTONWOOD SRRING WASH Comment
  UCR17643  Kallstroemia californica Hap Ritter, Paul Mack 1976-10-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, sand dunes southeast of Hopkins Well and west of Wiley's Well Road 152 Comment
  UCR242295  Kallstroemia californica A. C. Sanders, T. B. Salvato 2012-10-12 40414 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd., 2.9 km (1.8 mi.) west of I-10 junction 120 Comment
  UCR245069  Kallstroemia californica A. C. Sanders, T. B. Salvato 2012-10-12 40409 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd. near intersection with Graham Pass Rd., 4.56 km west of I-10 junction 124 Comment
  JEPS8740  Keckiella antirrhinoides W. L. Jepson 1901-5-17 1236 Riverside San Jacinto Lake 457 Comment
  RSA221035  Keckiella antirrhinoides E. W. Lathrop 1966-3-23 6075 Riverside Skyline Drive, 4 mi. W of Corona, Tine Mine Canyon 305 Comment
  UCR183016  Keckiella antirrhinoides Mitch Provance 2003-5-5 4428 B Riverside San Berardino Valley, Norco, SW slopes of the La Sierra Hills, +- 0.9 mi. WNW of Mt. Grape (peak 1064) 244 Comment
  SBBG87641  Keckiella antirrhinoides subsp. antirrhinoides A. C. Sanders, B. Pitzer 1986-4-30 6474 Riverside lower Bee Cyn, 0.2 mi above the mouth of cyn Comment
  LA209342  Keckiella antirrhinoides subsp. microphylla Elizabeth McClintock; 1940-5-26 sn Riverside 1.5 mi. W of Pinon Flats, Pines to Palms Highway Comment
  RSA0092491  Keckiella antirrhinoides subsp. microphylla Mark E. Fishbein, Victor Steinmann, Ivonne Steinmann, Mark Porter, Stephen Dreher 1999-12-4 4104 Riverside Santa Rosa Mountains, Deep Canyon, just east of California 74. 823 Comment
  JEPS100903  Keckiella antirrhinoides var. antirrhinoides Dean W. Taylor 1998-5-13 16429 Riverside Aguanga Valley, mouth of Temecula Creek, on hillslopes just south of Highway 79 609 Comment
  UCR95457  Keckiella cordifolia D. L. Banks, E. H. Banks, J. B. Hedge 1996-6-6 1119 Riverside NW Palomar Mtns, Agua Tibia Mtns: NW foothills of Dorland Mtn; S end of Los Caballos Road, UC Emerson Reserve, SW side of the Water Storage tank. 100 m north of the road jct between main preserve road and the road to the Emersn Cottage 457 Comment
  RSA160543  Keckiella rothrockii subsp. jacintensis J. D. Olmsted 1959-7-1 704 Riverside 1/4 mi. N of trunoff to Strawberry Cienega along trail from saddle to San Jacinto Park.; 4 mi ENE of Idyllwild; San Jacinto Mtn. Range. 2744 Comment
  UCSB12232  Keckiella ternata Breedlove, Dennis 1961-8-5 Riverside road cut on Riverside highway 1; 0.2 mi SW of Fuller Mill Creek; San Jacinto Mtns 1645 Comment
  UC1132141  Koeleria macrantha H. S. Yates 1936-8-29 6380 Riverside near Pine Flat; San Jacinto Quad., near Pine Flat Comment
  UC38701  Koeleria macrantha H. M. Hall June, 1901 2066 Riverside s side San Jacinto Mountains; s side San Jacinto Mountains 1524 Comment
  JOTR34022  Krameria bicolor La Doux, Tasha, M. Harding 2010-4-7 2909 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; in upper reaches of side canyon, approx. 1 mile north of park boundary Comment
  LA205731  Krameria bicolor Carl Epling; William Robison 1933-6-24 sn Riverside Little San Bernardino Mountains, Morongo Pass Comment
  LA45681  Krameria bicolor Elizabeth McClintock; 1936-5-9 sn Riverside Palms to Pines Highway Comment
  SD8510  Krameria bicolor Parish Apr 1882 Riverside Agua Caliente Comment
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Jul 16 2010
  RSA697950  Krameria canescens J. R. Bruff 1928-4-1 81 Riverside Whitewater Comment
  RSA718174  Krameria canescens Howard Mullins 1931-4-11 s.n. Riverside Thousand Palms Comment
  JOTR34065  Krameria erecta La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2963 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
  RSA457794  Krameria erecta Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Tim S. Ross 1988-3-10 2204 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  SEINET270933  Krameria erecta Richard J. Shaw 1958-5-10 1111 Riverside 3 miles above Palm Desert. Palms to Pine Highway 610 Comment
  JOTR35294  Krameria grayi Andre, Jim 2012-4-11 20790 Riverside Joshua Tree National Park. NW Eagle Mountains, along dirt road to Black Eagle Mine, 0.7mi east of road to Cottonwood Spring, 34mi south of Hwy 62 at Twentynine Palms. 729 Comment
  RSA408606  Krameria grayi Anstruther Davidson s.n. Riverside Palm Springs. Comment
  UCR232516  Krameria grayi Dave Silverman 2010-3-30 7882 Riverside Sonoran (Colorado) Desert, southern McCoy Mtns, east bajada flank, 800 m west of Black Creek Rd, 4.5 km north of I-10, and 8 km east of McCoy Peak 155 Comment
  RSA561415  Lactuca serriola Steve Boyd, T. S. Ross, D. E. Bramlet 1992-9-9 7678 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
  UCR167063  Lamarckia aurea Scott D. White 2005-3-29 10838 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  RSA698328  Langloisia schottii J. R. Bruff 1932-3-22 s.n. Riverside Between Garnet and Edom Comment
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Nov 3 2011
  RSA690983  Langloisia setosissima subsp. setosissima Scott D. White, Michael Honer 2003-5-14 9305 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  UCR279602  Langloisia setosissima subsp. setosissima A. C. Sanders, Jim Malusa 2017-3-28 43166 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
  CAS-BOT-BC166020  Larrea tridentata E. A. McGregor 1917-3-19 713 Riverside Indio Sands - Colorado Desert Comment
  CAS-BOT-BC183259  Larrea tridentata James R. Shevock 1986-3-23 11357 Riverside Adjacent to Interstate 10 along Eagle Mountain Road, 3 miles west of Desert Center 350 Comment
  CSUSB316  Larrea tridentata Frank Aubrey 1959-2-3 Riverside On gas pipe road, 1.8 miles east of junction with U.S. Highway 60, 8.2 miles east of Desert Center. Comment
  RSA0047318  Larrea tridentata Jim Andre 2014-1-27 26658 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
  RSA390012  Larrea tridentata Robert L. Dressler 1949-3-19 428 Riverside Coxcomb Mountains, 23 miles NE of Desert Center. Comment
  RSA799814  Larrea tridentata D. M. Ray 2011-3-5 5 Riverside Sonoran Desert: Chuckwalla Valley along Kaiser Road. 198 Comment
  SFV6312  Larrea tridentata T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 50 Riverside Little San Bernardino Mountains Little San Bernardino Mountains. Berdoo Canyon. Comment
  UC867924  Larrea tridentata Lewis S. Rose 1936-12-18 36786 Riverside Palm Springs 138 Comment
  CAS-BOT-BC412730  Lastarriaea coriacea H. M. Hall 1904-5-29 4964 Riverside Vicinity of Riverside 304 Comment
  POM361560  Lasthenia coronaria Ora M. Clark 1929-2-24 1518 Riverside Cabazon, Colorado Desert. Comment
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Mar 13 2011
  UC69031  Lasthenia coronaria H. M. Hall 1905-4-1 5752 Riverside Beaumount Comment
  UCR92695  Lasthenia glabrata subsp. coulteri A. C. Sanders, K. D. Jones, D. Malueg 1996-4-20 18045 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  JEPS10177  Lasthenia gracilis W. L. Jepson 1901-5-17 1229 Riverside vicinity Riverside Comment
  RSA282931  Lathyrus vestitus subsp. alefeldii C. W. Tilforth, B. Busenberg 1980-4-10 1981 Riverside Along north leg of Thomas Mountain Road, south of Lake Hemet, west of Hwy 74 Comment
  RSA488923  Lathyrus vestitus subsp. laetiflorus Bill Wagner 1988-4-12 s.n. Riverside Approx. 1/2 mile SW of town of Temecula, S of Rancho CaliforniaRoad and Buisness Park Drive. 335 Comment
  CAS-BOT-BC320798  Layia glandulosa H. M. Hall 1901-6-1 2185 Riverside San Jacinto Mountains. South side. 1371 Comment
  SDSU18391  Layia platyglossa C. Matt Guilliams 2008-2-27 485 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. 370 Comment
  UCSB19172  Layia platyglossa Chepin, Matt 1965-5-16 Riverside Hemet Meadow, State Highway 74, 4.7 miles from junction with State Highway 71 1341 Comment
  POM4861  Layia platyglossa subsp. campestris P. A. Munz 1918-4-27 2152 Riverside Near Corona. Comment
  RSA524597  Layia platyglossa subsp. campestris Steve Boyd, Tim Ross, L. Arnseth 1990-3-29 3912 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  SD73610  Layia platyglossa subsp. campestris Helen V. Witham 1970-5-1 863 Riverside Bajutista Canyon, southeast of Hemet 1000 Comment
  RSA604718  Lemna gibba L. C. Wheeler 1961-6-24 7914 Riverside San Jacinto Mountains: Fulmor Lake. Comment
  UCR141332  Lemna minor R. F. Thorne, J. -P. Simon, C. W. Tilforth 1969-6-24 38151 Riverside San Jacinto Mtns, San Bernardino National Forest. Lake Fulmor 1677 Comment
  SDSU13654  Lemna minuta W. Miller 1972-8-9 Riverside 357 Comment
  RSA653238  Lemna valdiviana Mitch Provance, A. C. Sanders 2000-7-4 2098 Riverside Riverside: Santa Ana River Wash, between the Market St. and Riverside Ave crossings. 244 Comment
  SBBG104094  Lepidium dictyotum A. C. Sanders 1993-4-5 13684 Riverside western edge of Hemet, NE corner of intersection of Myers St. and Devonshire Ave, 0.75 mi NE of intersection of Florida Ave (St Hwy 74) and Warren Rd Just S of Tres Cerritos; T5S, R1W, SW/4 of NE/4, S7 460 Comment
  UCR112328  Lepidium dictyotum var. acutidens A. C. Sanders, K. C. Rose 1998-5-21 21858 Riverside Hemet, Alkaline flats west of town, east of the canal, south of Hwy 74 (Florida) and c. 1/4 mi. west of Warren Rd. 457 Comment
  UCSB2386  Lepidium fremontii Bobkowski, Vincent 1960-4-2 Riverside 60 yards south of Southern Entrance to Joshua Tree National Monument; off U.S. 60-70 (near intersection of 60-70 with Calif. 195) Comment
  UCR275229  Lepidium lasiocarpum subsp. lasiocarpum Allison D. Rudalevige 2012-5-2 003 Riverside Temecula, adjacent to Murrieta Creek, along Diaz Diaz Rd. between Winchester Rd. and Black Deer Loop 311 Comment
  JOTR35320  Lepidium lasiocarpum var. lasiocarpum Harding, Mitzi, Mark Wheeler 2012-2-28 88 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; eastern slopes of southern tip of range (Stop 1) 177 Comment
  CAS-BOT-BC89852  Lepidium nitidum Robert F. Thorne; Earl W. Lathrop 1969-5-12 37947 Riverside Santa Rosa Plateau. Mesa de Colorado, Rancho California. 624 Comment
  UCR102208  Lepidium virginicum var. pubescens A. C. Sanders, P. MacKay, T. Thomas & O. Clarke 1997-5-4 20691 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek [c. 2.5 miles below Twin Pines Rd. on dirt road] 854 Comment
  RSA679066  Lepidium virginicum var. robinsonii Scott D. White 2001-4-13 8320 Riverside Badlands; County landfill area north of Moreno Valley. About 1/4 air mi NW of the SR-60 Freeway jtn with Gilman Springs Rd. 595 Comment
  UCR98858  Lepidium virginicum var. robinsonii A. C. Sanders, G. Helmkamp 1997-3-15 19997 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  SEINET2053392 Image available Lepidospartum squamatum J. Harry Lehr 1975-10-12 1698 Riverside Rt. I-10, 2 mile E of Ramsey Street, Banning. 152 Comment
  UCR121886  Lepidospartum squamatum Ian G. Gillespie 2001-5-7 88 Riverside East side of Santa Ana Mountains, Temescal Valley Area, also known as the Sycamore Canyon Area. In a sandy wash at the north east corner of the intersection of Indian Truck Tr. and De Palma Rd. Associated species: Cryptantha microstachys, Hirschfeldia incana, Amsinckia menziesii. 366 Comment
  UCR104907  Leptochloa uninervia A. C. Sanders 1997-3-19 20041 Riverside Lake Skinner area, Lake Skinner, NW shore near inlet, SW foot of Bachelor Mtn 445 Comment
  RSA752545  Leptodactylon californicum Justin M. Wood 2009-3-10 351 Riverside Hwy 243, near base of the mountains, 0.5 miles up the highway from Smith Creek bridge. 695 Comment
  POM364534  Leptosiphon ciliatus Elbert Benjamine 1929-5-18 227 Riverside Wooded Mesa. 915 Comment
  POM364671  Leptosiphon floribundus Emery M. Whilton 1938-5-15 s.n. Riverside Taken between capistrano and Lake Elsinor. Comment
  SD119890  Leptosiphon floribundus subsp. glaber Louis B. Ziegler 1973-4-26 518 Riverside San Jacinto Mountains; hillside in lower Bautista Canyon. 533 Comment
  UCSB42112  Leptosiphon pygmaeus subsp. continentalis Roos, John 1950-4-22 Riverside In the hills N.E. of the summit of Reche Canyon 822 Comment
  POM96632A  Leptosiphon pygmaeus subsp. pygmaeus F. M. Reed 1925-5-26 5285 Riverside Horsetheif Canyon. 762 Comment
  JOTR37760  Leptosyne californica Hodges, Stephen R. 2016-2-29 716 Riverside Joshua Tree National Park. Pleasant Valley, off of Geotour Road near the Pushwalla Canyon trailhead Comment
  SD175800  Lessingia glandulifera var. glandulifera Mike Lahti 2006-9-12 1356283 Riverside Sage Ranch Nursery, 41801 East Benton Rd., Hemet. 715 Comment
  SJSU13596  Lessingia glandulifera var. glandulifera C. W. Sharsmith 1945-8-28 5433 Riverside Indian Cr, Mt San Jacinto 1828 Comment
  RSA516755  Leymus condensatus Ed LaRue 1989-4-25 s.n. Riverside 2 miles (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons., (All of sec. 33, W/2 sec. 34, NW/4 sec. 3 (T 6S) small portion of eastern sec. 35) 488 Comment
  UC577612  Leymus triticoides H. S. Yates 1937-6-27 6718 Riverside near Hemet Reservoir; San Jacinto Quadrangle Comment
  UCR60834  Lilaea scilloides R. F. Thorne 1973-5-23 43874 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  CAS-BOT-BC130879  Lilium parryi Mrs. E. C. Van Dyke 1928-7-20 s.n. Riverside Idyllwild Comment
  UCR40359  Limnanthes gracilis subsp. parishii Tom Griggs, E. W. Lathrop 1985-3-3 2 Riverside Santa Rosa Plateau, Mesa de Colorado, on The Nature Conservancy Preserve, 4 mi. west of Murrieta Comment
  CAS-BOT-BC45841  Limnanthes gracilis var. parishii A. C. Sanders; Tim Thomas 2008-6-20 35537 Riverside Peninsular Range; San Jacinto Mtns.: May Valley near Fleming Ranch, north of Bonita Vista R. and east of Herkey Creek 1550 Comment
  UCD98541  Limonium sinuatum Mitch Provance 1998-6-11 674 Riverside Jurupa Mountains: 'Twin Canyons', S of the historical community known as Declezville. This housing development area is now known as Southridge. 320 Comment
  SEINET7072830  Linanthus androsaceus A. G. Vestal 1963-5-19 s.n. Riverside Among granite boulders about 0.9 miles west of Radec on Route 79 [old 71]. Coordinate datum: WGS84/NAD83. (33? deg. 28' 2" North Latitude, -116? deg. 55' 39" West Longitude, Coordinate datum: NAD27.). Comment
  CLARK-A1528-3470  Linanthus dianthiflorus John C. Roos 1937-4-10 1392 Riverside Norco Comment
  RSA747874  Linanthus dianthiflorus Justin M. Wood 2009-5-11 695 Riverside Garner Valley, Quinn Flat area. 1372 Comment
  SJSU8697  Linanthus dianthiflorus N. D. Addy 1962-4-16 Riverside Railroad Canyon Rd 3 mi N of Lake Elsinore Comment
  RSA0107843  Linanthus jonesii Duncan S. Bell, Thomas Stoughton 2010-3-19 583 Riverside Central section of the Arica Mountians; in the vicinity of Priest Mine. 460 Comment
  UCR114126  Linanthus jonesii B. G. Pitzer, J. Ross 1998-3-8 3608 .2 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  UC219269  Linanthus lemmonii P. A. Munz and I. M. Johnston 1922-3-20 5477 Riverside Kenworthy San Jacinto Mts. 1463 Comment
Read comments
Mar 25 2011
  UC52446  Linanthus liniflorus H. M. Hall Jun 1901 2098 Riverside vicinity Chalk; San Jacinto Mts. 1524 Comment
  CLARK-A1528-722  Linanthus liniflorus subsp. pharnaceoides C. M. Flanagan 1973-5-20 OO 532 Riverside Morongo Indian Reservation 1158 Comment
  UC23766  Linanthus parviflorus Geo. R. Hall 1901-3-17 1674 Riverside near Riverside Comment
  UCR18064  Linanthus pygmaeus O. F. Clarke 1967-5-2 s.n. Riverside Pigeon Pass in the Box Springs Mtns behind UC Riverside campus 610 Comment
  UCR241159  Linanthus pygmaeus A. C. Sanders, Timothy W. Chumley 2013-4-2 40748 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., near I-15 Fwy, SE of Corona (Lee) Lake 377 Comment
  UCR6480  Linaria canadensis Helen Leach 1967-3-2 C670302- 01 Riverside Pedley 229 Comment
  UCR1599  Linaria maroccana R. L. Irwin 1962-5-8 0078 Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, on Canyon Crest Drive just past U.S. 395 [Hwy 60] freeway bridge and on curve going southwest 317 Comment
  UCR208951  Linum usitatissimum N. C. Cooper 1944-5-6 1207 Riverside San Bernardino Mtns., Whitewater Canyon 457 Comment
  UCR110940  Lithophragma affine George K. Helmkamp 1998-6-27 4117 Riverside Santa Rosa Mtns., 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), below Mountain Home Spring 1799 Comment
  RSA5026  Lithophragma affine subsp. mixtum Dorothy R. Wolf 1932-3-20 26 Riverside Richman Ranch 2.5 mi N of De Luz. SW Riverside County 457 Comment
  UCR177399  Loeflingia squarrosa Marisa Sripracha, K. A. Boyd 2004-3-21 055 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  SD259047  Loeseliastrum schottii Sarah J. De Groot 2005-5-16 4966 Riverside Along Worsley Road paralleling Highway 62 between Dillon Road and Indian Ave. Desert Hot Springs area, vicinity of Morongo Creek. 495 Comment
  UCR54315  Lolium perenne Frank C. Vasek 1956-6-12 s.n. Riverside Riverside: Hwy 60, 1.05 mi east of Chicago Ave. on the University of California, Riverside campus Comment
  UC1537173  Lomatium utriculatum Gordon H. True Jr. 1935-3-18 125 Riverside hills e. Citrus Expt. Station (Box Springs); Box Springs 396 Comment
  UCR48488  Lomatium utriculatum Steve Boyd 1986-3-9 1381 Riverside Peninsular Range, Temescal Canyon: Alberhill Mtn., south slope of mtn., just east of claymine area 488 Comment
  POM78236  Lomatium vaginatum Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
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Dec 8 2013
  UC1608260  Lonicera subspicata var. denudata Steve Boyd, Tim Ross 1992-5-5 7230 Riverside e portions Oak Flats (along the Bluewater Trail); Southern Santa Ana Mts., San Mateo Canyon Wilderness Area 731 Comment
  RSA607344  Lotus R. S. Woglum 1939-4-11 2219 Riverside Sonoran Desert: Near Rice, Coxcomb Tunnel. Comment
  RSA342541  Lotus argophyllus var. argophyllus R. F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54088 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  SEINET2062202 Image available Lotus argophyllus var. argophyllus B. Pitzer 1986-5-24 242 Riverside Whitewater Canyon, ca. 5 miles N of Hwy I-10 on Whitewater Canyon Road, from N edge of hatchery to ca. 1/4 mile N of hatchery boundary, Whitewater 7.5' Quad. 731 Comment
  RSA614095  Lotus hamatus D. L. Banks 1997-4-5 1698 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just east of the Wilderness Area boundry with the Pechanga Indian Reservation, along a tributary of the north fork of Pechanga Creek. 670 Comment
  UCR26490  Lotus hamatus A. C. Sanders, S. Hagopian 1981-5-20 2142 Riverside Perris-Aguanga Basin, S side of Pauba Valley, within l mi of Hwy 71 bridge over the Temecula River 367 Comment
  RSA717625  Lotus heermannii Scott D. White 2006-4-27 11284 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  RSA798593  Lotus heermannii Robert F. Thorne, E. W. Lathrop 1977-5-18 49753 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  POM13458  Lotus heermannii var. orbicularis P. A. Munz, I. M. Johnston 1922-5-19 5398 Riverside Mountain side, at mouth of Strawberry Canyon. 1128 Comment
  SEINET3694584 Image available Lotus humistratus Annie M. Alexander, Louise Kellogg 1941-5-15 2185 Riverside Eagle Mountains 914 Comment
  UCR250382  Lotus humistratus A. C. Sanders, John F. Green 2014-4-4 40967 Riverside Peninsular Range; Elsinore Trough, N of Elsinore at Alberhill, along Lake St. south of the Temescal Canyon Rd. intersection, 378 Comment
  RSA0018992  Lotus nevadensis Steve Boyd, Gary D. Wallace 2005-7-30 11657 -A Riverside San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2659 Comment
  RSA736699  Lotus nevadensis var. davidsonii Scott D. White 2004-4-26 10251 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. 518 Comment
  UCR96251  Lotus nevadensis var. nevadensis Scott D. White 1996-8-1 4418 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  JEPS55819  Lotus rigidus W. L. Jepson 1914-5-17 5984 Riverside n of Indio; Colorado Desert, Lookout Mt. 914 Comment
  RSA406793  Lotus rigidus Anstruther Davidson 1895-04 s.n. Riverside Palm Springs; Colorado Desert. Comment
  UC1129115  Lotus rigidus A. E. Wieslander 1938-5-5 740 Riverside 1 mi s Black Hill; Thermal Quad. 975 Comment
  UCR172264  Lotus salsuginosus 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
  UCR18156  Lotus salsuginosus var. brevivexillus A. C. Sanders 1978-3-19 0841 Riverside Santa Rosa Mtns/Colorado Desert, Deep Canyon Reserve, along the Worley Trail just above the Research Center 427 Comment
  CSUSB1268  Lotus scoparius Robert A. Hawthorne 1957-5-2 Riverside Reche Canyon 518 Comment
  RSA651075  Lotus scoparius subsp. scoparius Margaret Murphy 1983-4-15 0009 -A Riverside located in the north section of [parcel] 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  UCR135847  Lotus scoparius var. scoparius A. C. Sanders 2004-4-20 27530 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  CSUSB1370  Lotus strigosus M. H. Frost 1954-6-6 Riverside San Jacinto Mountains San Jacinto Mountains 1371 Comment
  RSA556448  Lotus strigosus Julie Greene 1993-4-30 1282 Riverside S of visitor center road and N of the old San Jacinto River drainage. 433 Comment
  UC1329864  Lotus strigosus James E. Cole 1941-5-4 693 Riverside Lost Horse Valley Joshua Tree National Monument 1310 Comment
  UC15698  Lotus strigosus H. M. Hall May 17 1901-Jun 1 1901 1809 Riverside s side San Jacinto Mt. 1615 Comment
  UC454679  Lotus strigosus I. J. Condit 1910-6-24 Riverside road to Strawberry Valley San Jacinto Mts. 914 Comment
  UCR168251  Lotus strigosus Mrs. D. R. Wolf 1932-3-20 2 Riverside Santa Rosa Plateau, Richman Ranch, 2.5 miles north of DeLuz, SW Riverside County 457 Comment
  SEINET3559988 Image available Lotus strigosus var. strigosus Noel H. Holmgren, Patricia K. Holmgren, Ruth E. Kern 1973-3-22 6470 Riverside Rice Valley, 7 mi S-SW of Rice 274 Comment
  UCR250558  Lotus strigosus var. strigosus A. C. Sanders 2014-4-9 41001 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. north of intersection with Indian Truck Trail, c. 0.4 km south of El Hermano Rd., NW of Corona (Lee) Lake 331 Comment
  UCR260256  Lotus strigosus var. tomentellus A. C. Sanders, Jim Malusa 2015-3-11 41396 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Gasline Road at junction with road to Observation Point Slats, US Navy Chocolate Mountains Aerial Gunnery Range 723 Comment
  PASA1116  Lotus subpinnatus Frank W. Peirson 1930-5-10 Riverside Hemet Plateau, along boulevard opposite March field 457 Comment
  CLARK-A1045-130  Lotus tomentellus George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep Canyon; Palm Desert 15'Q Comment
  RSA508337  Lotus unifoliolatus Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mountains, ca. 1 mile SE of town of Nuevo. 640 Comment
  POM1928  Lotus wrangelianus Robinson, Crocker 1916-4-3 s.n. Riverside Elsinore region. Comment
  JEPS85675  Lupinus W. L. Jepson 1939-4-17 19122 Riverside on rd to Temecula 2 mi s Corona (Corona); s of Corona Comment
  POM349959  Lupinus arizonicus M. B. Dunkle 1935-3-30 4428 Riverside Pinto Basin, Colorado Desert. 915 Comment
  POM349961  Lupinus arizonicus C. P. Smith 1936-1 2167 Riverside West side of Colorado Desert. -30 Comment
  RSA704589  Lupinus arizonicus LeRoy Gross 2005-3-3 1588 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  RSA722377  Lupinus arizonicus J. R. Bruff 1928-4-3 171 Riverside 3 mi. So. Cottonwood Springs. Comment
  SEINET2062836 Image available Lupinus arizonicus Norman C. Cooper 1949-4-8 3255 Riverside Mecca Pas. E of Indio 548 Comment
  UC1183611  Lupinus bicolor Dave Dunn 1941-3-30 989 Riverside 3 mi e Banning; e of Banning Comment
  UCR49221  Lupinus bicolor subsp. microphyllus Steve Boyd 1986-4-2 1599 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR110938  Lupinus concinnus George K. Helmkamp 1998-6-27 4097 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
  RSA407148  Lupinus concinnus subsp. optatus Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  UCR121227  Lupinus concinnus subsp. optatus Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2259 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  LA205063  Lupinus excubitus var. hallii W. E. Pequegnat; 1939-4-8 27 Riverside Santa Ana Mountains Comment
  UCR84571  Lupinus excubitus var. hallii Steve Boyd 1986-4-22 1750 Riverside Temescal Canyon, Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mountain and Gavilan Hills 427 Comment
  UCR92533  Lupinus hirsutissimus Scott D. White 1995-8-23 3583 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  POM48510  Lupinus hyacinthinus Mary F. Spencer 1919-7-6 1281 Riverside Tahquitz ridge, San Jacinto Mt. 2439 Comment
  UCR180045  Lupinus microcarpus Mitch Provance 2005-5-18 9810 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  RSA586718  Lupinus microcarpus var. densiflorus D. L. Banks, S. D. Boyd 1995-5-17 0441 Riverside NW Palomar Mountains; Cleveland National Forest, N of the Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., lower Arroyo Seco; S of the Dripping Springs Campground, W the Dripping Springs Trail. 573 Comment
  UCR48352  Lupinus microcarpus var. densiflorus Steve Boyd 1986-4-22 1763 Riverside Temescal Canyon, W side of Indian Wash, south of I-15 Comment
  UCSB36644  Lupinus microcarpus var. densiflorus Brownell, K. 1980-5-17 Riverside 4 mi. S on Tenaja Rd. from Calle Colina, Santa Ana Mts. Comment
  RSA703405  Lupinus pallidus LeRoy Gross, Leland Lubinsky, Victor W. Steinmann, Linda Lee Worlow 2005-2-17 1457 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  CSUSB1642  Lupinus sparsiflorus R. Pirot 1975-5-17 Riverside J. F. Road and Highway 74, Homeland 542 Comment
  SD137764  Lupinus sparsiflorus Darin L. Banks, Steve Boyd 1995-4-5 135 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove, along the Dripping Springs Trail 609 Comment
  SD224969  Lupinus sparsiflorus G. K. Helmkamp 1998-4-3 3091 Riverside Coachella Valley: Mission Creek, the Wildlands Conservancy Preserve, 1.1 mi. NW of the ranch house beside a gauging station along the creek. 747 Comment
  UC1292300  Lupinus sparsiflorus C. L. Hitchcock and C. V. Muhlick 1964-3-22 23252 Riverside gravelly side canyon near s. entrance to Joshua National Monument (Joshua National Monumnet) Comment
  UC1537125  Lupinus sparsiflorus Gordon H. True Jr. 1935-3-15 113 Riverside Box Springs 396 Comment
  UCR225720  Lupinus sparsiflorus A. C. Sanders 2011-3-30 38907 Riverside Peninsular Range, city of Lake Elsinore, along north edge of Hwy 74 at and above Trellis Lane 457 Comment
  UCR270578  Lupinus sparsiflorus John F. Emmel 1998-4-11 1540 Riverside Peninsular Range, NW of Wilson Valley, c. 1.5 air miles SE of intersection of Sage Road and Wilson Valley Road 732 Comment
  UCR47241  Lupinus sparsiflorus B. G. Pitzer, L. F. LaPre 1987-3-2 0433 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
  UCR92802  Lupinus sparsiflorus Scott D. White 1994-3-29 1934 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  RSA414261  Lupinus sparsiflorus subsp. sparsiflorus Ora M. Clark 1929-3-2 1594 Riverside Near Alberhill Comment
  RSA414277  Lupinus sparsiflorus subsp. sparsiflorus Christopher Davidson 1973-4-19 1992 Riverside Joshua tree Natl. Monument, various sites along the road, 1-10 miles s of Joshua tree. 1220 Comment
  RSA691057  Lupinus sparsiflorus subsp. sparsiflorus Scott D. White, Michael Honer 2003-4-9 8988 Riverside Gavilan Hills: About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak 2349. 549 Comment
  UCR13087  Lupinus succulentus S. R. Szarek 1971-3-26 s.n. Riverside Elsinore. Alongside Hwy 71, entering town of Elsinore Comment
  RSA500220  Lupinus truncatus Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3523 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA771655  Lupinus truncatus Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4913 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
  UCR173148  Lupinus truncatus Abby Sirulnik 2000-4-25 20 Riverside Peninsular Ranges, Southwestern Riverside County Multispecies Reserve, c. 3 mi NE of Skinner Reservoir 610 Comment
  UCR87979  Lupinus truncatus G. P. Schultz 1994-3-13 s.n. Riverside Box Springs Mountains, slope above Big Springs Canyon. Comment
  RSA525671  Lycium andersonii Steve D. Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4542 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  RSA775937  Lycium andersonii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 947 Riverside Wash crossing Midland Rice Road, near saddle between Little Maria Mountains and Big Maria Mountains 320 Comment
  UC303697  Lycium andersonii I. M. Johnston 1918-5-30 2028 Riverside w of High School (Elsinore); Elsinore 365 Comment
  JEPS12171  Lycium fremontii W. L. Jepson 1927-4-12 11644 Riverside Painted Canyon Colorado Desert, Mecca Hills 76 Comment
  POM13382  Lythrum californicum E. C. Jaeger 1921-04 s.n. Riverside Corn Springs, Chuckawalla Mts Comment
  RSA0103094  Lythrum californicum Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8546 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  UCR199760  Lythrum californicum Scott D. White, Angelia Carey and Linda Archer 2004-8-5 10687 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Indian Creek and adjacent uplands, from confluence with San Jacinto River to c. 2 miles upstream 610 Comment
  CAS-BOT-BC334712  Madia gracilis E. W. Lathrop 1966-5-15 6306 Riverside 3 miles SE of Murrieta on the De Luz Road Comment
  UC1595643  Madia gracilis Steve Boyd and Orlando Mistretta 1991-5-9 6186 Riverside lower flank of range along Bedford Truck Trail on ridge between Bedford Cyn. and McBribe Cyn.; Santa Ana Mountains 548 Comment
  UCD116351  Malacothamnus densiflorus R. N. Raynor 1941-7-28 s.n. Riverside Highway #71 betw. Temecula and Aguanga. Comment
  SDSU7518  Malacothamnus fasciculatus Charles F. Phleger 1962-5-23 Riverside collected on land owned by the Schloss Foundation about 25 miles north of Escondido. Comment
  POM11511  Malacothrix californica P. A. Munz 1922-4-7 5974 Riverside Hemet Valley 1372 Comment
  UC218096  Malacothrix clevelandii P. A. Munz and I. M. Johnston 1922-5-19 5347 Riverside 5 mi ne Murietta 457 Comment
  CAS-BOT-BC347710  Malacothrix glabrata Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  CDA8311  Malacothrix glabrata M. S. Wasbauer 1960-3-26 Riverside Shaver s Summit. 0 Comment
  POM308645  Malacothrix glabrata Henry J. Ramsey, Henry J. Ramsey 1937-5-9 s.n. Riverside Near Blythe. Comment
  POM362309  Malacothrix glabrata M. B. Dunkle 1935-3-30 4419 Riverside Pinto Basin, Colorado Desert. 915 Comment
  RSA554211  Malacothrix glabrata Theo Glenn 1991-4-9 91 -5 Riverside Big wash in Eagle Mountains 786 Comment
  UC1539720  Malacothrix glabrata Chas. B. Fiker 1946-4-16 3415 Riverside w side Colorado Desert Comment
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Mar 23 2014
  UCR279578  Malacothrix glabrata A. C. Sanders, Jim Malusa 2017-3-28 43155 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
  POM10402  Malvella leprosa Charlotte M. Wilder 1904-10 s.n. Riverside Between Elsinore and Corona. Comment
  RSA764877  Malvella leprosa Justin M. Wood 2010-9-8 2596 Riverside Beaumont Badlands: San Timoteo Canyon: Just SE of El Casco Substation along San Timoteo Creek. 640 Comment
  JEPS66862  Mammillaria tetrancistra W. L. Jepson 1912-10-29 5244 Riverside Riverside Mts. 91 Comment
  RSA662175  Marah macrocarpa Stephen Hill 1981-2-16 6 Riverside Cajalco Rd. 6.3 mile E. of hwy 15. on N side of road approx. 100 yards from road. Comment
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Jul 14 2013
  RSA612607  Marah macrocarpa var. macrocarpa D. L. Banks, Victor Steinmann 1997-3-13 1492 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  RSA0123706  Marina orcuttii Duncan S. Bell, Thomas Stoughton 2016-4-13 9240 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; on the western slopes of Martinez Mountain. 1424 Comment
  RSA799876  Marina parryi Scott D. White, Robert Black 2011-2-25 13391 Riverside Sonoran Desert: Kaiser Road N of 10 freeway along long bend in road. 207 Comment
  SEINET7843690  Marina parryi E. Neese 1979-4-11 7099 Riverside Between Blythe & Rice, 11 mi. nw of Blythe 305 Comment
  RSA660642  Marrubium vulgare Lydia Paneri 1982-4-17 6 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  RSA524225  Meconella denticulata Steve Boyd, Tim S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4019 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR3351  Medicago sativa T. R. Plumb 1964-4-12 s.n. Riverside Upper Santa Ana River/San Bernardino Valley Region, Campus of Univ. of California, Riverside, Canyon Crest Drive at freeway underpass. 259 Comment
  UCR213533  Melica A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37800 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  JOTR34341  Melica frutescens Andre, Jim 2012-4-11 20684 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
  UCR187358  Melica frutescens R. E. Riefner Jr. 2006-8-2 06- 350 Riverside Peninsular Range, Lakeview Mountains, vicinity of Alicante Dr. and Jamawag Rd., NNW c. 0.75 mi. from Leon Rd. 580 Comment
  RSA10520  Melica imperfecta C. F. Baker 1909-05 s.n. Riverside Fairmont Hill. Comment
  UCR113150  Melica imperfecta A. C. Sanders 1998-3-11 21682 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
  SEINET11678902  Melica torreyana Unknown 1936-1 12772 Riverside E of Banning Comment
  UCR156290  Melilotus indicus T. B. Salvato, Kent Beaman 2005-5-16 834 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
  JOTR33995  Mentzelia affinis La Doux, Tasha, M. Harding 2010-4-7 2883 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  RSA4968  Mentzelia affinis Carl B. Wolf 1932-4-27 3030 Riverside Colorado desert, 3/4 mile west of Utopia on Mecca-Blythe road 152 Comment
  UCR109001  Mentzelia affinis D. L. Banks, V. W. Steinmann 1997-4-13 1472 Riverside NW Palomar Mtns., Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79. Hills east of the Dripping Springs alcove and west of Vail Lake Marina Road. 549 Comment
  RSA0121632  Mentzelia desertorum Scott. D. White, Michael Honer 2003-4-18 9034 Riverside Colorado desert: Shavers Valley. Just northeast of unnamed freeway exit at pumping station. 488 Comment
  RSA440407  Mentzelia involucrata M. B. Dunkle 1935-3-30 4429 Riverside Pinto Basin, Colorado Desert. 915 Comment
  RSA440411  Mentzelia involucrata Geo. Cantwell 1935-4-8 s.n. Riverside McCoy Springs, McCoy Mnts. [NW of Blythe] Comment
  SBBG25136  Mentzelia involucrata D. Myrick 1966-4-2 1332 Riverside upper end of Aqueduct Rd, SE of Desert Hot Springs Comment
  SBBG29592  Mentzelia involucrata R. J. Young 1968-4-20 189 Riverside ca. 4 mi S of Cottonwood Jct, Joshua Tree Nat Monument Comment
  UC1595705  Mentzelia involucrata W. Wisura, J. Dolan, M. Wall 1992-3-24 4624 Riverside 7.7 mi ne Mecca (on Box Canyon Rd.) Comment
  UCSB39335  Mentzelia involucrata Jorgensen, Jan 1982-3-21 Riverside Corn Spring Oasis, Chuckwalla Mountains 600 Comment
  CDA36636  Mentzelia involucrata var. megalantha M. S. Wasbauer 1960-3-26 Riverside Shaver s Summit. 0 Comment
  UCR166209  Mentzelia jonesii A. C. Sanders, P. J. MacKay, M. Jacobsmyer, C. L. Sanders, et al 1995-3-5 15994 Riverside Sonoran (Colorado) Desert, Orocopia Mtns, Maniobra Valley, 1.6-3 mi. south of frontage road (old Hwy 60) along Interstate 10, S to edge of BLM wilderness 610 Comment
  UC489021  Mentzelia montana C. V. Meyer 1929-6-13 752 Riverside San Jacinto Mts., Idyllwild Grade 1371 Comment
  CLARK-A1045-870  Mentzelia veatchiana George K. Helmkamp 1978-6-1 #4 Riverside Santa Ana Mountains Wildomar 7.5'Q Comment
  OBI12495  Mentzelia veatchiana Robert F. Hoover 1969-4-11 11212 Riverside Mouth of Morongo Valley cyn 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
  RSA660502  Microseris douglasii subsp. douglasii A. C. Sanders, K. C. Rose 1998-5-21 21860 Riverside Hemet: alkaline flats west of town, E of the canal, S of Hwy 74 (Florida) and ca. 1/4 mi. W of Warren Rd. 457 Comment
  UCR140297  Microseris douglasii subsp. douglasii A. C. Sanders 2004-4-9 27472 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, vicinity of Rose Rd. 457 Comment
  RSA263703  Microseris heterocarpa E. W. Lathrop 1968-5-8 7023 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  RSA648663  Microseris heterocarpa R. E. Riefner 1998-3-22 98 -184 Riverside Lake Elsinore. Elsinore Trough between Willard and Murrieta Creek. Comment
  RSA763053  Microseris heterocarpa E. W. Lathrop 1969-5-8 7023 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  POM33642  Microseris lindleyi Marcus E. Jones 1882-4-25 s.n. Riverside End of track [probably near San Jacinto Plains] Comment
  POM10950  Mimulus androsaceus I. M. Johnston 1922-5-20 5476 Riverside Kenworthy, Thomas Valley. 1463 Comment
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Mar 25 2011
  RSA192316  Mimulus aurantiacus var. pubescens H. A. Zuill 1966-3-20 96 Riverside About 2 mi. WSW of Murrieta. Comment
  UC943878  Mimulus aurantiacus var. pubescens H. E. McMinn, M. Van Rensselaer 1945-6-7 1889 B Riverside Indian Canyon Truck Trail, e slope of mts. Santa Ana Mts. 640 Comment
  UCR116704  Mimulus aurantiacus var. puniceus Dan Hare 2001-5-1 s.n. Riverside Santa Ana Mtns. region, Cleveland National Forest near Upper San Juan Campground, off the Ortega Highway near the confluence of Morrell and Decker Canyons 579 Comment
  SEINET3079201 Image available Mimulus brevipes Marc Mittleman 1982-5-25 Riverside Gentry Experimental Farm, Los Alamos Road, Murietta, Ca. 366 Comment
  UC489127  Mimulus breweri C. V. Meyer 1928-7-31 599 Riverside Tahquitz Valley San Jacinto Mt. 2286 Comment
  UCR154376  Mimulus cardinalis A. C. Sanders, Mike Misenhelter 2005-6-15 30953 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  SEINET10570310  Mimulus cardinalis David B. Dunn 1946-8-16 Dunn 2666 Riverside Collected at jolly springs ravine on trail up devil's slide. San jacinto mts. Dried yellow; was orange red. Comment
  UCR201701  Mimulus floribundus Scott D. White, Justin M. Wood 2008-6-19 12261 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  JOTR32394  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
  RSA0035443  Mimulus guttatus Mary Duke, Christy Hightower, Cecilia McElroy 1982-5-15 19 Riverside CA Hwy 74, just off highway E of Elsinore, 1 mi. W of Hwy 15. Comment
  JOTR31053  Mimulus parishii La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2036 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lower Covington Flats; STOP 1: drainage heading toward Smithwater Canyon, rocky canyon with narrow sandy bottom Comment
  UC729663  Mimulus pilosus Carl B. Wolf 1932-5-25 3675 Riverside 1 mi below Fish Hatchery (n base of mts.); San Jacinto Mts., Snow Creek Canyon 396 Comment
  UCR231771  Mimulus pilosus John F. Green 2008-4-23 08- 20 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
  UCR274289  Mimulus pilosus T. B. Salvato, Melissa Clemons 2005-6-6 1413 Riverside Peninsular Range, Gavilan Hills, c. 0.75 mile south-southeast of Steele Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore 579 Comment
  UCR280960  Mimulus pilosus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-2 617- 07 Riverside Temescal Valley, Horsethief Canyon Wash, S. side of I-15, vicinity of De Palma Rd. 378 Comment
  RSA763844  Mimulus puniceus Doris Bowers 1972-4-15 1849 Riverside Rancho California area 457 Comment
  UCR25551  Mirabilis californica John C. Roos 1941-4-25 162 Riverside Plateau in Reche Canyon Comment
  SD186259  Mirabilis laevis A. C. Sanders, T. B. Salvato 2004-2-16 27390 Riverside Foothills at edge of Temescal Valley, south of Brown Canyon. 451 Comment
  UCR130122  Mirabilis laevis Scott D. White 2001-4-3 8227 Riverside Sonoran (Colorado) Desert, Shavers Valley, near the I-10 Freeway, c. 15 miles east of Indio junction of I-10 and Calif. SR 111, adjacent to powerline access roads at unnamed freeway exit accessing pump station 473 Comment
  JEPS26558  Mirabilis laevis var. crassifolia Peter Kamb 1948-4-11 902 Riverside Whitewater Wash near Whitewater 457 Comment
  RSA450138  Mirabilis laevis var. crassifolia J. C. Roos 1966-9-20 s.n. Riverside San Jacinto. Comment
  SDSU18725  Mirabilis laevis var. crassifolia C. Matt Guilliams 2008-2-13 451 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. 410 Comment
  CAS-BOT-BC434831  Mirabilis laevis var. retrorsa H. M. Hall 1905-4-1 5798 Riverside Colorado Desert. 10 mi. west of Coachella. 91 Comment
  UC168849  Mirabilis laevis var. retrorsa S. B. Parish 1907-4-28 6073 Riverside Whitewater; Colorado Desert 360 Comment
  CAS-BOT-BC384087  Mirabilis laevis var. villosa Peter H. Raven 1960-3-16 14844 Riverside 2.2 miles west of Desert Center Comment
  RSA450140  Mirabilis laevis var. villosa J. C. Roos 1966-3-26 s.n. Riverside 2 miles SE of Desert Center. Comment
  RSA703805  Mohavea confertiflora LeRoy Gross 2005-3-3 1604 Riverside Palen Mountains, south side. Near end of old prospect road. [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  RSA777759  Mohavea confertiflora Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-27 1080 Riverside Box Canyon Road, Mecca Hills, South of Shavers Well 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
  POM161200  Mollugo cerviana Ralph Hoffmann 1929-9-11 s.n. Riverside Thomas Valley, San Jacinto Mountains. Comment
  RSA707058  Mollugo cerviana M. Wall 2005-8-21 404 Riverside San Jacinto River, Valle Vista east of Hemet on alluvial benches north of Highway 74 at Schultz Avenue. 549 Comment
  RSA0010771  Mollugo verticillata P. A. Munz 1919-3-25 2614 Riverside Beaumont. 610 Comment
  CAS-BOT-BC220024  Monardella breweri subsp. lanceolata Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  RSA180471  Monardella lanceolata var. lanceolata E. W. Lathrop 1960-5-27 5224 Riverside 6 miles west of Murrieta. Comment
  LA62738  Monardella linoides subsp. linoides Harlan Lewis; 1941-8-4 sn Riverside San Jacinto Mountains, Fire road E of Keen Maintenance Station Comment
  LA62755  Monardella linoides subsp. linoides Carl Epling; June 1938 sn Riverside Palms to Pines Highway Comment
  UC1995341  Monardella linoides subsp. linoides C. Epling Jun 1938 Riverside Pines to Palms Highway Comment
  POM19173  Monardella macrantha subsp. hallii P. A. Munz 1923-6-14 7088 Riverside Glen Ivy Trail to Santiago Peak. 1433 Comment
  CAS-BOT-BC215497  Monardella nana Elizabeth McClintock 1941-7-15 115 Riverside On slope south of Strawberry Creek and west of Domengonio Flats, San Jacinto Mts. Comment
  UC1499900  Monardella nana Elizabeth McClintock 1941-6-8 60 Riverside Road to Santa Rosa Mt. 1 1/2 miles above Pines to Palms Highway Comment
  RSA401636A  Monardella nana subsp. arida Christopher Davidson 1978-6-15 7390 Riverside Santa Rosa Mountains. Santa Rosa Peak. Trail to the top. 2409 Comment
  RSA750407  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 66 Riverside 0.2 miles E of Ribbonwood Camp. Pines to Palms Highway. Comment
  UCR221482  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 057 Riverside Peninsular Range; Santa Rosa Mtns., road to Santa Rosa Mtn., 0.5 mi. above Pines to Palms Highway 1479 Comment
  SEINET10582212  Monardella nana subsp. nana A. Graff 1993-6-24 Graff 53 Riverside San Bernadino National Forest, Thomas Mtn. Go ca. 50 yds. past the former lookout tower site on Thomas Mtn. summit. Monardella nana is off the road, to the right ca. 75 yds. T6S,R3E,S29. Need USNFS permission to collect. Small, dense, population growing among the rocks in clearing, surrounded by Pinus ponderosa, Abies concolor, Calocedrus decurrens, Quercus chrysolepis, with Eriogonum fasciculatum, Lupinus sp., Gutierrezia sp., Galium andrewsii, Bromus sitchensis, Ribes roezlii. Mid-bloom. Comment
  SEINET10582213  Monardella nana subsp. nana A. Graff 1993-6-24 Graff 54 Riverside San Bernadino National Forest, Thomas Mtn. Go ca. 50 yds. past the former lookout tower site on Thomas Mtn. summit. Monardella nana is off the road, to the right ca. 75 yds. T6S,R3E,S29. Need USNFS permission to collect. Small, dense, population growing among the rocks in clearing, surrounded by Pinus ponderosa, Abies concolor, Calocedrus decurrens, Quercus chrysolepis, with Eriogonum fasciculatum, Lupinus sp., Gutierrezia sp., Galium andrewsii, Bromus sitchensis, Ribes roezlii. Mid-bloom. Comment
  RSA750313  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-21 128 Riverside San Jacinto Mts. Trail to Hidden Lake. A short distance from the top of the ledge just below the turn off to Hidden Lake. Comment
  UC1499816  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-17 119 Riverside trail to Suicide Rock (at the stream which crosses the trail, a short distance beyond the forks); San Jacinto Mts. Comment
  UC25483  Monardella nana subsp. tenuiflora H. M. Hall 1897-7-17 691 Riverside e Strawberry Valley; San Jacinto Mts. 1828 Comment
  UCR221466  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-15 113 Riverside Peninsular Range; San Jacinto Mtns., on slope south of Strawberry Creek, and west of the sawmill at Domengonio [Domenigoni] Flats [vicinity of West Ridge, near Camp Emerson & USC Idyllwild campus] 1646 Comment
  CAS-BOT-BC349788  Monoptilon bellioides Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13238 Riverside Highway U. S. 95, 11.3 mi. N of Blythe Comment
  CLARK-A1656-648  Monoptilon bellioides Milton Walker 1978-3-21 Riverside Mecca 269 Comment
  POM304729  Monoptilon bellioides Henry J. Ramsey, Henry J. Ramsey 1939-11-28 167 Riverside 10 miles east of Indio. Comment
  POM305598  Monoptilon bellioides Henry J. Ramsey, Henry J. Ramsey 1937-3-2 884 Riverside Betw Desert Center and Indio Comment
  POM363583  Monoptilon bellioides A. C. Life 1928-3-17 15744 Riverside Colorado Desert, Painted Canyon Comment
  RSA25353  Monoptilon bellioides C. L. Hitchcock 1940-4-4 5943 Riverside Pinto Basin. Comment
  SEINET2053855 Image available Monoptilon bellioides I. Rauch 1968-4-9 Riverside Palm Desert, Dead Indian Creek wash. 152 Comment
  UCR196304  Monoptilon bellioides R. F. Thorne, M. Z. Thorne 1973-3-30 42677 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
  UCD86498  Muhlenbergia andina Peter Ray Date Unknown 1937 Riverside Hall Canyon, San Jacinto Mtns. Comment
  UCD86592  Muhlenbergia filiformis A. A. Beetle 1946-6-10 4398 Riverside In San Jacinto Mountains, near Idylewilde. 1219 Comment
  CAS-BOT-BC275251  Muhlenbergia microsperma Noel H. Holmgren; Patricia K. Holmgren; Ruth E. Kern 1973-3-21 6436 Riverside Big Maria Mountains, 12 airline miles N of downtown Blythe 289 Comment
  RSA0049531  Muhlenbergia microsperma J. C. Roos 1952-4-9 5507 Riverside East face Mt. Rubidoux. 365 Comment
  UCR195801  Muhlenbergia porteri Tasha La Doux, J. Andre 2007-9-6 129 Riverside Little San Bernardino Mountains, Joshua Tree National Park, dirt road to Lost Horse Ranger Station, below Hemmingway Buttress 1237 Comment
  UC501587  Muilla maritima Frank W. Peirson 1922-4-29 2942 Riverside 2 mi s Lake Elsinore (along boulevard) 365 Comment
  UCR116964  Muilla maritima A. C. Sanders, T. B. Salvato 2001-5-3 24089 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  SD217159  Myriopteris covillei Steve Boyd, Tim Ross & Laurel Arnseth 1990-3-30 3968 Riverside Vail Lake area, westerly draining canyon at north base of Big Oak Mountain 640 Comment
Read comments
Apr 17 2020
  SD82647  Myriopteris parryi Louis C. Wheeler 1933-12-2 2305 Riverside Mouth of Tahquitz Canyon near Palm Springs 142 Comment
  RSA421114  Nama demissa Ora M. Clark 1929-2-23 1559 Riverside N. Whitewater. Comment
  SBBG97210  Nama demissa W. L. Halvorson 1977-3-8 77085 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  RSA494634  Nassella cernua Maureen H. Pendleton 1987-5-20 s.n. Riverside Ca. 0.8 mi. (airline) WSW of town of Anza on Terwilliger Rd. 1280 Comment
  RSA575823  Nassella lepida Steve Boyd 1981-4-29 s.n. Riverside Gavilan Hills region, norhteastern edge of the Gavilan Plateau on bouldery ridge (2427') to N of flats. Comment
  RSA781361  Nassella pulchra A. C. Sanders, T. B. Salvato 2011-4-1 38961 Riverside Lake Elsinore, hill 90 m NE of intersection of Baker St. and Bunker St., 0.35 km NW of Hwy 74 395 Comment
  UCR206021  Navarretia fossalis Diane Menuz 2009-5-14 497 Riverside Peninsular Ranges: Santa Ana Mountains, Santa Rosa Plateau. Western side of Mesa de Burro, in series of 4 vernal pools 609 Comment
  UCR70513  Navarretia fossalis D. E. Bramlet 1991-6-20 2199 Riverside Perris-Aguanga Basin region, San Jacinto Valley, San Jacinto Wildlife Area: c. 670 m east of Davis Rd & 60 m north of the San Jacinto River levee 475 Comment
  RSA180386  Navarretia hamata subsp. hamata E. W. Lathrop 1960-6-10 5001 Riverside 8 miles west of Murrieta. Comment
  UCR245658  Nemacaulis denudata var. gracilis Duncan S. Bell 2010-4-2 684 Riverside Arica Mountains: west side of the mountain range within the Palen/McCoy Wilderness; c. 3 air miles northwest of Priest Well 477 Comment
  RSA0126339  Nemacladus longiflorus var. longiflorus Scott D. White 1991-5-10 91 -157 Riverside Hwy 79, immediately W of U. S. Forest Service campground at Dripping Springs. 549 Comment
  UCR30095  Nemacladus orientalis George K. Helmkamp 1983-4-5 483- 44 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  UCR85603  Nemacladus orientalis Theo Glenn 1991-5-2 91- 31 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  RSA747139  Nemacladus ramosissimus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30061 Riverside 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 457 Comment
  JEPS7671  Nemacladus rubescens Frank W. Peirson 1926-1-31 6486 Riverside about 2 mi from station on Mecca Road, Dos Palmas; Colorado Desert, Dos Palmas Comment
  JEPS22315  Nemacladus sigmoideus Peter H. Raven 1958-5-5 12890 Riverside just w Split Rock (along road); Joshua Tree National Monument Comment
  SEINET10460969  Nemacladus sigmoideus Wagnon 1944-5-20 WAGNON 387 Riverside Alluvial fan, Tachevah Canyon, Palm Springs Comment
  RSA75155  Nemacladus tenuis H. K. Wagnon 1944-3-26 362 Riverside Cathedral Canyon, Cathedral City. Comment
  JEPS7616  Nemacladus tenuis var. tenuis E. E. Schellenger Apr 1920 Riverside Chuckwalla Bench; Colorado Desert Comment
  UC144187  Nemophila menziesii Baker 1904-4-4 4124 Riverside Elsinore Comment
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Jul 4 2010
  SD51937  Nicotiana attenuata Reid Moran 1962-7-7 9871 Riverside On fill, by Strawberry Creek, 2 miles SW of Idyllwild, San Jacinto Mts. 1550 Comment
  CSUSB935  Nicotiana bigelovii Kenneth Hibberd 1966-4-10 660410 3 Riverside Arlington Ave., 1 mile east of Victoria St. in the city of Riverside. 304 Comment
  UCR21966  Nicotiana glauca Steve Boyd 1980-5-21 295 Riverside Gavilan Hills, Harford Springs County Park, on the NW corner of the Gavilan plateau. Comment
  SD128719  Nicotiana obtusifolia Darley F. Howe 1980-4-16 Riverside 4 miles south of Highway 10 on Cornsprings Road, Chuckwalla Mountains 334 Comment
  UCR245989  Nicotiana obtusifolia Duncan S. Bell 2012-9-13 4186 Riverside Sonoran (Colorado) Desert, Rice Valley; east side of the Arica Mountains; c. 6 air miles southeast of the ghost town of Rice and c. 5.5 air mi east of Priests Well 202 Comment
  UC76178  Nicotiana quadrivalvis Miss M. A. King 1893-1 Riverside Menifee Comment
  UCR111765  Nicotiana quadrivalvis Mitch Provance 1998-3-17 211 Riverside Jurupa Mountains, 'Pyrite Canyon', in the central dune area c. 1km south of the end of Savonia Dr. in Southridge, Fontana. 305 Comment
  UCR275351  Nicotiana quadrivalvis T. B. Salvato, Melissa Clemons 2005-6-9 1494 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  SD142035  Nolina parryi James C. Dice 1985-6-13 617 Riverside SE portion of Thomas Mtn., ca. 4 km S of Kenworthy Station and community of Thomas Mtn. 1525 Comment
  CLARK-A1528-35  Notholaena newberryi John C. Roos, Lucille Roos 1951-10-27 5348 Riverside Riverside 304 Comment
  CHSC8283  Oenothera Edward L. Smith 1957-4-3 232 Riverside 1 mi. n on hwy. 99 to 29 Palms. San Bernardino Mts. 91 Comment
  RSA18955  Oenothera californica subsp. californica Roxana S. Ferris, Ruth P. Rossbach 1938-5-20 9666 Riverside Between Riverside and Ontario. Comment
  LA206198  Oenothera deltoides A. M. Johnson; 1933-4-28 4206 Riverside E of Cool's Ranch, 4 mi N of Indian Wells, and 15 mi. below Palm Springs Comment
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Mar 10 2014
  UCR90165  Oenothera deltoides R. W. Scora 1966-4-1 3005 Riverside Sonoran (Colorado) Desert, Coachella Valley, 3-4 km east of Thousand Palms on Ramon Road; near Hidden Spring Oasis 60 Comment
  SEINET12189795  Oenothera deltoides J. F. Bright, Wyman, C. 1933-1 8067 Riverside near Palm Springs Comment
  JEPS43943  Oenothera deltoides subsp. deltoides Dr. L. M. Newlon 1922-4-3 428 Riverside 6 mi w Indian Wells; Colorado Desert Comment
  POM355588  Oenothera deltoides subsp. deltoides A. Menke 1955-4-26 s.n. Riverside Indian Wells Comment
  UC20555  Oenothera deltoides subsp. deltoides S. B. Parish Apr 4 1896-Apr 13 1896 4107 Riverside Palm Springs (Agua Caliente) desert base of San Jacinto Mt. 152 Comment
  UCR232399  Oenothera primiveris Dave Silverman, Onkar Singh 2010-3-25 7841 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa east of the southern McCoy Mtns, 1.6 km east of Black Creek Rd., 4.9 km west of McCoy Wash, and 8.6 north of I-10 149 Comment
  CAS-BOT-BC427456  Oligomeris linifolia Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2128 Riverside N. end Palen Mtns, 2 mi west of Palen Pass 300 Comment
  CAS-BOT-BC427460  Oligomeris linifolia H. M. Hall 1905-4-1 5775 Riverside Colorado Desert. Indian Well 0 Comment
  UCR50294  Oligomeris linifolia B. G. Pitzer, S. J. Myers, J. Wilkinson 1988-2-21 607 Riverside Sonoran (Colorado) Desert, S end of Coxcomb Mtns, 0.2 mi. north of Hwy 177 (Old Desert Center - Rice Road), at 10.6 mi. NE of Desert Center 229 Comment
  OBI27787  Olneya tesota David J. Keil 1980-6-20 14066 Riverside box Cyn rd exit from I-10 488 Comment
  CDA7534  Oncosiphon piluliferum Mitch Provance 2003-4-18 6607 Riverside San Bernardino Valley; Riverside, Santa Ana River Wash, just under and northeast of the Market Street Bridge. Comment
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Feb 1 2018
  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
  UCR178533  Opuntia basilaris R. G. Swinney 1967-5-26 144 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 381 Comment
  POM300506  Opuntia basilaris var. basilaris Lyman Benson 1945-3-29 11636 Riverside Canyon on 29 Palms Road, first large canyon east of US 99 Colorado Desert, Little San Bernardino Mountain. 610 Comment
  RSA0010377  Opuntia megacarpa D. Griffiths 1908-8-25 9501 Riverside Banning Comment
  RSA508241  Opuntia parryi E. W. Lathrop 1977-7-13 7688 Riverside Bedford Truck trail of the Cleveland National Forest. At base of Bedford Canyon. Trabuco District. 457 Comment
  SEINET889847  Opuntia parryi Carl B. Wolf 1939-1 3391 Riverside 4/10 miles N. of Aguanga on road to Anza 762 Comment
  POM285351A  Opuntia phaeacantha Lyman Benson 1955-12-6 15622 Riverside Hills 3 miles southeast of Redlands. Crystal Springs. San Bernardino foothills. 488 Comment
  POM285585  Opuntia ramosissima Lyman Benson 1949-10-14 14198 Riverside 15 miles east of Indio. 366 Comment
  UC1532824  Orcuttia californica Robert F. Thorne, C. W. Tilforth, L. DeBuhr and E. Lathrop 1975-8-29 47312 Riverside Mesa de Burro Santa Rosa Plateau, Rancho California 609 Comment
  RSA516904  Orobanche cooperi Steve Boyd, Orlando Mistretta 1986-3-13 1427 Riverside Palen Mountains; NE of Desert Center, jct. of Parker Dam Rd. and Palen Rd. (road going through pas between Palen and Granite Ranges). 244 Comment
  RSA709922  Orobanche cooperi Sarah J. De Groot, Leland Lubinsky, Naomi S. Fraga, Lisa Rojas 2005-2-10 4638 Riverside Along Palen Pass Road, sandy area near Palen/McCoy Wilderness boundary. Bajada of mountains, just north of Palen Lake (dry). 170 Comment
  RSA801949  Orobanche fasciculata LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6160 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
  UC64334  Orobanche fasciculata H. M. Hall 1901-7 2599 Riverside San Jacinto Mountains, Tamarack Valley. Comment
  UCR44205  Orobanche fasciculata A. C. Sanders 1986-6-1 6561 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  RSA180265  Orthocarpus purpurascens E. W. Lathrop 1956-4-30 5701 Riverside 5 mi. W. of Murrieta. Comment
  SDSU4804  Osmadenia tenella H. Wedberg 1994-5-23 936 Riverside 4.8 miles from Hwy. 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
  UC64173  Oxalis albicans subsp. californica H. M. Hall 1897-3-20 403 Riverside Gavilan Comment
  POM307255  Oxytheca emarginata Henry J. Ramsey 1937-5-22 2131 Riverside Santa Rosa Mountains Comment
  RSA544399  Oxytheca emarginata Steve Boyd, Tim S. Ross 1991-6-8 6326 Riverside Pinyon Flats area near Ribbonwood. White calcareus outcrop forming small hill N of Hwy 74 Comment
  POM229023  Oxytheca trilobata P. A. Munz 1937-5-31 15117 Riverside Below Anza Tablet at head of Coyote Canyon. 1006 Comment
  UCR24260  Oxytheca trilobata John C. Roos 1937-8-17 2544 Riverside San Jacinto Mtns., Near Idyllwild Comment
  CAS-BOT-BC327933  Palafoxia arida Paul F. Covel 1938-4-20 1181 Riverside Palm Springs Junction Comment
  SEINET12800993  Palafoxia arida Chris Dietrich, M. Merello & H. Schmidt 1994-1 28 Riverside 7.5 miles south of North Shore on State Highway 111. Along highway on east shore of Salton Sea. 60 Comment
  CAS-BOT-BC327914  Palafoxia arida W. R. Dudley 1903-12-27 s.n. Riverside Palm Springs Station Comment
  SEINET10799065  Palafoxia arida David B. Dunn, Howard Brown 1947-2-9 Dunn 2854 Riverside Pushawalla Canyon, Indio Hills. In dry wash. Comment
  JEPS30724  Palafoxia arida var. arida Peter H. Raven 1962-4-7 17119 Riverside San Gorgonio Pass E of Banning 396 Comment
  UCR196382  Palafoxia arida var. arida Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Pesach Lubinsky 2005-2-10 1419 Riverside Northeastern Colorado Desert, along Palen Pass Road, near Hwy 177 170 Comment
  POM172729  Panicum urvilleanum La Niece 1930-4-1 s.n. Riverside Sandy wash of Whitewater; 15 miles NW of Indio Comment
  UCR265196  Panicum urvilleanum David Fraker, Aaron C. Sedgwick 2012-5-8 93 Riverside Sonoran (Colorado) Desert, south of Hwy 111 along dunes at base of the San Jacinto Mtns. 375 Comment
  SEINET223701  Pappostipa speciosa Mary E. Barkworth 1981-5-8 3401 Riverside Near Aguanga close to border with San Diego County 0 Comment
  UCR115919  Parietaria hespera var. californica Mitch Provance 1998-4-24 1114 Riverside Riverside, c. 1 mile SW of the corner of Trafalgar Ave. and Alessandro Blvd. 366 Comment
  HSC47471  Parkinsonia florida Richard Spjut 1978-5-10 5040 Riverside Colorado Desert: Chuckawalla Valley, ca. 1 mi. S of Desert Center 305 Comment
  LA45741  Parkinsonia florida J. Warren; 1952-4-28 sn Riverside Desert Center Comment
  OBI13279  Parkinsonia florida H. E. McMinn 1937-3-5 4497 Riverside About 7 mi W of Blythe Comment
  RSA0035904  Parkinsonia florida J. M. Andre 2013-3-27 24821 Riverside Riverside Mountains; east side of Riverside Mountains, along Hwy 95, 13.2 mi. south of Vidal Jct. 126 Comment
  RSA0107430  Parkinsonia florida Duncan S. Bell 2009-8-15 422 Riverside West side of the Arica Mountains. 323 Comment
  RSA0112102  Parkinsonia florida Duncan S. Bell 2009-10-9 485 Riverside Northwest of the Arica Mountains. 281 Comment
  SJSU5171  Parkinsonia florida L. M. Stotelmyre 1970-3-23 73 Riverside 8 km E of Indio Comment
  CLARK-A1528-4941  Pectis papposa John C. Roos 1946-9-14 3004 Riverside Asbestos Mountain 1005 Comment
  JOTR30837  Pectis papposa var. papposa La Doux, Tasha, Jim Andre 2008-9-16 347 Riverside Joshua Tree National Park. JTNP; NE end of Splitrock Picnic Area. Queen Mountain USGS 7.5 min Quad. Near 34 00.534' N 116 03.098' W 1327 Comment
  RSA781999  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-12 093 Riverside Rice Valley. Highway 62 to to Blythe Rice Road. About 1 mile from highway. 229 Comment
  UCR274780  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-5 065 Riverside Mojave Desert, Alligator ACEC. Desert Center Exit off Hwy I-10., to Granite Mine 399 Comment
  UCR20973  Pectocarya anisocarpa A. C. Sanders 1980-5-2 1432 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR234242  Pectocarya anisocarpa A. C. Sanders, T. B. Salvato 2012-4-27 40088 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. near I-15 crossing and mouth of Mayhew Cyn. 314 Comment
  UCR263478  Pectocarya anisocarpa A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41497 Riverside San Gorgonio Pass, north of San Gorgonio River wash, c. 3 miles east of Cabazon, south of I-10 and generally NE of water bottling plant 457 Comment
  SEINET3347427 Image available Pectocarya heterocarpa Jim Andre, T. La Doux 2009-2-25 10834 Riverside Sonoran (Colorado) Desert; Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center 129 Comment
  RSA708432  Pectocarya linearis Scott D. White 2005-3-29 10847 Riverside 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
  SD130322  Pectocarya linearis Ed LaRue 1990-4-13 Riverside 0.5 miles northwest of Aguanga, north of Highway 79 and west of Highway371, ca. 1.5 air miles north of San Diego County Line 640 Comment
  SD247368  Pectocarya linearis A. C. Sanders, Jake Schweitzer and Katie Young 2015-3-23 41418 Riverside San Gorgonio River wash, ca. 3.7 miles east of Cabazon, ca. 1.25 miles NNE f One Horse Spring, south of I-10 and east of water bottling plant, between wind farms. 427 Comment
  CLARK-A1528-338  Pectocarya penicillata C. M. Flanagan 1973-4-21 OO 302 Riverside Morongo Indian Reservation 914 Comment
  RSA0012658  Pectocarya penicillata LeRoy Gross, Caitlin Elam 2013-5-14 6085 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
  RSA450446  Pectocarya penicillata J. C. Roos 1966-4-5 s.n. Riverside Winchester Comment
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Mar 20 2011
  RSA695835  Pectocarya penicillata J. Russell Bruff 1934-6-19 550 -a Riverside Near Hemet Reservoir Comment
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Dec 11 2011
  SEINET7073386  Pectocarya penicillata A. G. Vestal 1963-4-23 s.n. Riverside About 0.6 mile up Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  SEINET3084040 Image available Pectocarya recurvata Andrew C. Sanders, L. Lubinsky, A. Knapp, P. J. MacKay, C. L. Sanders 1995-2-12 15919 Riverside Sonoran (Colorado) Desert; Coachella Valley, alluvial fan below the Little San Bernardino Mtns., Fargo Canyon Road, 1.35 mi. east of Dillon Road 98 Comment
  RSA543607  Pectocarya setosa Steve Boyd 1991-5-7 6169 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  RSA552768  Pedicularis densiflora Steve D. Boyd 1992-3-31 6763 Riverside San Mateo Cyn. Wilderness Area. Tenaja Trail from jtn w/ Morgan Tr. S to Pigeon Spring area. 670 Comment
  RSA516764  Pellaea andromedifolia var. andromedifolia Ed LaRue 1989-4-26 s.n. Riverside 2 mi. (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons 488 Comment
  UCR89842  Pellaea mucronata Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3307 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  UCR243168  Penstemon centranthifolius LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4333 Riverside Transverse Ranges; San Bernardino Mountains, 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
  UC454771  Penstemon grinnellii I. J. Condit 1910-6-22 Riverside San Jacinto Mts. 2590 Comment
  UC489220  Penstemon grinnellii C. V. Meyer 1938-7-31 607 Riverside Tahquitz Peak San Jacinto Mts., Tahquitz Peak 2682 Comment
  RSA772326  Penstemon grinnellii subsp. grinnellii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4506 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  POM11257  Penstemon spectabilis Philip A. Munz 1922-6-24 5796 Riverside Pipe Creek, Hemet Valley 1555 Comment
  UC1012298  Penstemon spectabilis F. W. Pennell and A. L. Grant 1940-4-28 25279 Riverside Route 74, 7-8 mi e Hemet; e of Hemet 548 Comment
  RSA97002  Penstemon spectabilis subsp. spectabilis R. M. Straw 1953-6-25 487 Riverside Santa Rosa Mountain Truck Trail, off Palms to Pines Hwy. 1677 Comment
  NY661169  Penstemon spectabilis var. spectabilis W. L. Jepson 1928-4-19 12436 Riverside Temecula 310.6 Comment
  UC103117  Penstemon spectabilis var. spectabilis A. W. Anthony Riverside San Jacinto Mts. Comment
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Apr 23 2011
  RSA171363  Pentachaeta aurea J. D. Olmsted 1962-5-3 3514 Riverside Intersection of Pines to Palms Hwy and south access road to Thomas Moutain 1387 Comment
  POM361605  Pentachaeta aurea subsp. aurea M. B. Dunkle 1933-7-20 3714 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  POM10251  Perityle emoryi Charlotte M. Wilder 1907-04 s.n. Riverside Andreas Canyon, near Palm Springs Comment
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Apr 17 2011
  POM41473  Perityle emoryi Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA554429  Perityle emoryi Theo Glenn 1991-5-30 91 -116 Riverside Mule Mtns, 0.2 mi. E of the Opal Hill Mine, just N of the Imperial County line and W of Palo Verde. Comment
  RSA296136  Petalonyx thurberi Barry A. Prigge 1980-8-5 3878 Riverside Whitewater canyon: 1.1 miles N of Interstate 10. 473 Comment
  RSA621639  Petunia parviflora R. E. Riefner 1998-7-9 98 -281 Riverside Elsinore Trough between Willard and Murrieta Creek. Lake Elsinore. Comment
  JOTR36012  Peucephyllum schottii Harding, Mitzi, T. Herskovits 2012-3-16 219 Riverside Joshua Tree National Park. Eagle Mountains, Cholla Wash Comment
  UCSB36152  Peucephyllum schottii Roberts, Dar 1980-3-26 Riverside 1 mile south southern entrance to Joshua Tree National Monument 1/4 mile East Rd. 750 Comment
  RSA342253  Phacelia ambigua Robert F. Thorne 1963-3-29 32368 Riverside 5 miles E of Mecca, Mecca Hills. 152 Comment
  SD6804  Phacelia brachyloba Daniel Cleveland 1881-4-15 Riverside Temecula Comment
  JOTR35925  Phacelia campanularia subsp. campanularia De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6873 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 905 Comment
  SEINET3123389 Image available Phacelia cicutaria Teresa Nieto 2005-1 Riverside Peninsular Range, Agua Tibia Mountains: UC Emerson Oaks Reserve, ca 8 miles southeast of Temecula, S of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank Comment
  RSA764120  Phacelia cicutaria var. hispida L. M. Prince, Duncan S. Bell 2009-6-17 580 Riverside Cleveland National Forest Comment
  UC73671  Phacelia cicutaria var. hispida M. F. Gilman 1904-1 7 &8 Riverside Banning Comment
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Mar 13 2011
  UCR180136  Phacelia cicutaria var. hispida Mitch Provance 2003-4-26 9886 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  UCR214569  Phacelia cicutaria var. hispida A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37850 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.93 mi. north (03 deg. ) of intersection of I-15 and Lake St. 469 Comment
  UCR37441  Phacelia ciliata Steve Boyd 1981-4-15 s.n. Riverside Gavilan Hills area, south of Lake Matthews Comment
  UCR103592  Phacelia crenulata George K. Helmkamp, E. A. Helmkamp 1998-2-18 2721 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi south of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  UCR116810  Phacelia crenulata A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23940 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  RSA777392  Phacelia crenulata var. ambigua Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 792 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  UCR277635  Phacelia crenulata var. ambigua A. C. Sanders, Jim Malusa 2017-1-14 42661 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
  UCR72178  Phacelia crenulata var. ambigua Theo Glenn 1991-5-15 91- 43 Riverside Sonoran (Colorado) Desert, Little Maria Mountains, NW of Blythe 351 Comment
  RSA0120440  Phacelia cryptantha Duncan S. Bell, LeRoy Gross 2016-5-18 9597 Riverside Santa Rosa Mountains; west side of Martinez Mountain; hills in the northern section of Little Pinyon Flat. 1316 Comment
  UC922689  Phacelia cryptantha Annie M. Alexander and Louise Kellogg 1940-3-21 889 Riverside 20 mi s 29 Palms; Barker Dam 1322 Comment
  UCR243510  Phacelia cryptantha Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21086 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, up side canyon approx. 400 m. west of main canyon drainage 1172 Comment
  RSA0007629  Phacelia davidsonii P. A. Munz, D. Keck 1923-6-14 7068 Riverside Santa Ana Mountains: Glen Ivy Trail to Santiago Peak. 1463 Comment
  CAS-BOT-BC133970  Phacelia distans Geo. B. Grant 1906-4-20 6775 Riverside Palm Springs Comment
  RSA0069666  Phacelia distans Cheryl Sevilla, Sarah J. De Groot 2015-2-18 12 Riverside Transverse Ranges; San Bernardino Mountains region: San Gorgornio Wilderness Area; on the plain to the east of Mission Creek; 0.4 miles northwest of the Stone House. 783 Comment
  RSA426220  Phacelia distans Scott D. White 1997-2-28 4716 Riverside Elsinore Basin: SE of Hwy 74, ca 1 mi E of junction with Hwy I-15 Fwy. 457 Comment
  RSA428218  Phacelia distans Mark Morris 1929-3-17 14901 Riverside Palm Canyon. Comment
  RSA428311A  Phacelia distans Gary D. Wallace 1964-4-25 s.n. Riverside San Jacinto Mts. Rd. to Idlewild Comment
  SD187426  Phacelia distans Naomi Fraga, Lisa Rojas 2005-2-10 1361 Riverside Colorado Desert; Northeastern Colorado Desert region: just north of Palen Pass Road, ca. 10 miles east of Hwy 177 365 Comment
  UCR176885  Phacelia distans Tracy Tennant 1998-6-5 1028 Riverside Peninsular Range, east side of Roundtop Mtn. and along Sage Road 732 Comment
  UCR196366  Phacelia distans Naomi Fraga, Lisa Rojas 2005-2-10 1361 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  UCR241637  Phacelia distans T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 349 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  UCR250875  Phacelia distans S. J. Myers, Jennifer Tobin, Michelle Tobin 2013-3-13 1042 Riverside Lakeview Mountains, along powerline access road NE of Juniper Flats Rd. 649 Comment
  UCR276659  Phacelia distans Jim Andre 2015-3-6 33572 Riverside Coachella Valley, far northwest corner of valley, 0.5 mile west of Hwy 62 at mouth of Dry Morongo Wash, 0.3 mile north of (dirt) Kolbe Road 561 Comment
  RSA0106452  Phacelia minor Daphne K. Christopher, Hannah Stevens 2003-4-4 87 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 530 Comment
  SEINET7073405  Phacelia minor A. G. Vestal 1963-4-23 s.n. Riverside About 0.1 mile east of Corner at the base of Gavilans Hills. Coordinate datum: NAD27. Comment
  SFV4383  Phacelia minor F. M. Ball 1964-1-4 66 6 Riverside San Bernardino Mountains Whitewater Canyon. About 1 mile north of main Banning to Indio Highway (16 miles east of Banning). East-facing slope. 475 Comment
  UCR275197  Phacelia minor T. B. Salvato, Gregg Miller 2005-6-7 1451 Riverside Peninsular Range, Gavilan Hills, along dirt road E of Lindell (Stovepipe) Road, W of El Toro Road, and ca 4.5 mi NW of Lake Elsinore 671 Comment
  RSA428115  Phacelia mutabilis M. B. Dunkle 1933-7-19 3680 Riverside Upper Tahquitz Valley. Strawberry Creek. 2409 Comment
  SDSU13319  Phacelia parryi Ryan Jacobson, Jeremy Mass 2000-4-19 13 Riverside On banks of Stone Creek, Santa Margarita Ecological Reserve, along jeep trail going from south-side facility to north-side facility. About 1.5 miles from south-side facility. 183 Comment
  JOTR30642  Phacelia pedicellata La Doux, Tasha, Erin Babich 2008-4-21 1804 Riverside Joshua Tree National Park. Stop 4-Little San Bernardino Mountains, Upper East Deception Canyon 1233 Comment
  RSA263712  Phacelia suaveolens subsp. keckii E. W. Lathrop 1968-5-30 6940 Riverside Main divide truck trail between El Carriso and Santiago Peak; Cleveland National Forest 1220 Comment
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Jul 21 2018
  CLARK-A1528-4796  Phalaris lemmonii John C. Roos 1937-5-10 456 Riverside Elsinore Comment
  SD247291  Phalaris minor A. C. Sanders, Jim Malusa 2015-3-10 41380 Riverside Sonoran (Colorado) Desert: north end of Chocolate Mountains, eastern canyon at Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range (East of Red Canyon 7.5'Q) 611 Comment
  RSA0043168  Pholistoma membranaceum Steve Boyd, Amber Maurice, Pesach Lubinsky, Lel Lubinsky 2003-4-17 10491 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  RSA708428  Pholistoma membranaceum Scott D. White 2005-3-29 10829 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
  SD143843  Pholistoma membranaceum A. C. Sanders, P. MacKay, et al. 1997-2-8 19683 Riverside Tahquitz Debris Basin at mouth of Tahquitz Canyon. 182 Comment
  UCD102039  Phoradendron bolleanum Geoffrey Levin 1975-12-6 657 Riverside State 74 just above Seven Level Hill, about 8 mi. south of Palm Desert. 1066 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
  RSA420766  Phoradendron californicum M. V. Hood 1944-4-7 s.n. Riverside Palms to Pines Hwy. Comment
  RSA650124  Phoradendron californicum David B. Dunn 1947-7-12 2978 Riverside Pushawalla Canyon, Indio Hills. Comment
  RSA777785  Phoradendron californicum Jim Andre 2011-2-9 15909 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
  SD137585  Phoradendron leucarpum subsp. tomentosum Darin L. Banks 1995-5-9 411 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove area, W of Woodchuck Camping area 737 Comment
  UCSB39083  Phoradendron leucarpum subsp. tomentosum Jorgensen, Jan 1982-1-19 Riverside 1 kilometer up Carizzo Road from highway 74 north of Palm Desert, San Jacinto Mountains 1100 Comment
  SD155415  Phoradendron pauciflorum Craig Reiser 2002-5-27 Riverside Santa Rosa Peak, north of east-west fire road, below peak. Comment
  POM354351  Phoradendron villosum N. C. Cooper 1945-5-24 1630 Riverside Big Oaks Canyon, Banning. 1220 Comment
  RSA271146  Phoradendron villosum C. W. Tilforth, John Dourley, Walter Wisura 1978-3-10 1505 Riverside About 1/2 mi. east of El Cariso Forest Station along Ortega Hiway(74). Comment
  RSA97450  Phoradendron villosum F. W. Peirson 1924-7-28 5009 Riverside Pine Flats Camp 1799 Comment
  POM214537  Phragmites australis Joseph A. Ewan 1932-4-8 7044 Riverside Seven Palms near Garnet Comment
  UCSB71043  Phragmites australis Lambert, Adam 2007-2-19 Riverside Thousand Palms Canyon. Thousand Palms Canyon Road Comment
  UCD170895  Phyllanthus O. F. Clarke 2007-10-15 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus. 351 Comment
  JOTR31098  Physalis crassifolia La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2356 Riverside Joshua Tree National Park. Little San Bernardino Mountains, north end of Lost Horse Hills; Side canyon off main wash between Ryan Mtn and Lost Horse Hills, with steep rocky slopes (Stop 4) Comment
  RSA423821  Physalis crassifolia J. Jones, Christopher Davidson 1980-4-4 9934 Riverside West end of the Orocopia Mtns. in a small canyon and wash almost due south of Oro peak. 518 Comment
  RSA510052  Physalis crassifolia B. Pitzer 1988-3-10 656 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
  UC146429  Physalis philadelphica Miss Kate Conger before Oct 1909 Riverside Winchester Comment
  SD125695  Phytolacca americana Don Domenigoni 1986-4-21 Riverside Young property, Hemet. Comment
  RSA263779  Picris echioides Robert Harvey 1959-8-4 153 Riverside Corona, Tin Mine Canyon 457 Comment
  CAS-BOT-BC45829  Pilostyles thurberi L. N. Goodding 1943-10-28 88 -43 Riverside On Dalea Emoryi; 57 miles south of Indio, California Comment
  UC1571810  Pinus Bruce Zobel September 1950 BMH 7 Riverside n Idyllwild (on road to Black Mt.); San Bernardino National Forest 2133 Comment
  MACF019838  Pinus X attenuradiata Robert Myers 1974-5-6 32 Riverside Clevland National Forest, in the Penny Pine Forest by El Cariso campground off Hwy 74. Collected in experimental hybrid area Comment
  UC667392  Pinus monophylla Annie M. Alexander and Louise Kellogg 1941-5-21 2216 Riverside n slope Eagle Mountains; Colorado Desert, Eagle Mountains 1219 Comment
  CLARK-A1528-3563  Pinus quadrifolia John C. Roos 1936-9-15 2513 Riverside San Jacinto Mountains 1493 Comment
  NY62435  Pinus quadrifolia M. Parratt 1962-2-24 114 Riverside This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UC188  Pinus quadrifolia H. M. Hall 1899-5-25 Riverside Van de Venter's San Jacinto Mountains 1371 Comment
  SEINET10530818  Pinus quadrifolia David B. Dunn, L. S. McClung 1939-10-22 Dunn UMO 46551 Riverside Native tree in the San Jacinto Mts. of southern Calif. in Pinyon-Juniper woodland. Along the Palms to Pines Hwy. 1829 Comment
  RSA595275  Piptatherum miliaceum D. L. Banks, Victor Steinmann 1996-4-20 896 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. 536 Comment
  SBBG34989  Plagiobothrys T. L. Secrest 1951-5-19 Riverside near Hemet Lake Comment
  UCR86888  Plagiobothrys arizonicus A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16286 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
  RSA523318  Plagiobothrys canescens G. H. True 1935-2-20 9 Riverside Box Springs, Sycamore Canyon. 366 Comment
  SD143992  Plagiobothrys canescens A. C. Sanders 1997-3-1 19730 Riverside Box Springs Mountains: Pigeon Pass, canyon below Regulus Road, 0.6 mi. W of Pigeion Pass Rd., 0.4 mi. E of Bench Mark Table (2559 ft.) 609 Comment
  UCR225615  Plagiobothrys canescens A. C. Sanders, T. B. Salvato 2011-3-30 38922 Riverside Peninsular Range, city of Lake Elsinore, waste ground along 3rd St., SW of Conard Ave. 405 Comment
  JOTR32965  Plagiobothrys canescens var. canescens La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2716 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 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
  RSA715763  Plagiobothrys collinus var. fulvescens A. C. Sanders 2005-4-22 29599 Riverside Gavilan Hills: Gavilan Plateau ca. 0.75 air mi. SE of summit of Gavilan Peak. 625 Comment
  SD244104  Plagiobothrys collinus var. fulvescens A. C. Sanders, Timothy W. Chumley 2013-4-3 40765 Riverside Peninsular Range: Temescal Canyon just SE of intersection of Horsethief Canyon Road and I-15 Fwy, SE of Corona (Lee) Lake (Alberhill 7.5'Q) 380 Comment
  UCR256760  Plagiobothrys collinus var. fulvescens T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7888 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  SD140150  Plagiobothrys leptocladus A. C. Sanders 1993-4-5 13698 Riverside Western edge of Hemet, along south side of Devonshire Avenue betwee Old Warren and Earren Roads, southwest of Tres Cerritos and N of Florida 459 Comment
  UCR266326  Plagiobothrys leptocladus D. E. Bramlet 1991-4-29 2083 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, 6.5 km west of Hemet & c. 0.4 km west of intersection of Florida Ave./Hwy 74 & Warren Road 457 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
  UCR59753  Plagiobothrys tenellus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 3009 Riverside Peninsular Range, Vail Lake area, hills west of Kolb Creek arm of lake 488 Comment
  SD204843  Plagiobothrys undulatus R. F. Thorne, E. W. Lathrop, S. Bickstrom-Sternberg, B. Martin 1982-6-5 55209 Riverside Peninsular Ranges; Santa Ana Mountains region: southwest of Murrieta. Santa Rosa Plateau, Mesa de la Punta near southern edge of plateau, approached from De Luz road. 579 Comment
  RSA556463  Plantago bigelovii subsp. californica Julie Greene 1993-4-30 1245 Riverside San Jacinto Wildlife Area. South of visitors center, by waterfowl kiosk, east of Davis Road. 433 Comment
  UCR97695  Plantago erecta A. C. Sanders, G. Helmkamp 1997-3-15 19970 Riverside Lake Skinner area: lower Rawson Canyon, along the dirt road toward Bachelor Mountain 457 Comment
  UCR37481  Plantago major Steve Boyd 1981-5-15 s.n. Riverside Dawson Canyon, Gavilan Hills Comment
  RSA778485  Plantago ovata Duncan S. Bell 2009-3-8 50 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  UCR178545  Plantago ovata R. G. Swinney 1967-2-19 0041 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 335 Comment
  UCR75056  Plantago ovata A. C. Sanders, E. J. Lawlor 1992-4-4 12087 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  POM145285  Plantago ovata var. fastigiata J. B. Feudge 1926-4-12 1397 Riverside Palm Springs. 152 Comment
  SBBG7271  Plantago ovata var. fastigiata H. and M. Dearing 1940-1-1 4036 Riverside E side of Salton Sea at N end Comment
  UCR178149  Plantago patagonica T. B. Salvato, Tracy Tennant 1998-4-23 MOR- 912 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon 1037 Comment
  UCR90372  Plantago patagonica D. L. Banks, Steve Boyd 1995-5-3 0293 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
  UC527330  Platanus racemosa B. D. Stark Nov. 1933 5555 Riverside Andreas Canyon San Jacinto Mts. (desrt side of mts.) Comment
  UCR201468  Platystemon californicus Scott D. White, Justin M. Wood 2008-5-15 11983 Riverside San Jacinto Mountains, Johnson Meadow 1476 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
  LA203882  Pleurocoronis pluriseta Martha Hilend; 1929-12-27 36 Riverside Shafer's Wells Comment
  POM41784  Pleurocoronis pluriseta Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. 61 Comment
  UC1523406  Pluchea sericea Robert F. Thorne, W. A. Tilforth, L. Schultz, R. K. Benjamin and J. Hogge 1980-4-16 54092 Riverside ca 3.0 mi n Whitewater P.O. (along Whitewater River); San Bernardino Mts., Whitewater River 591 Comment
  UCR269108  Pluchea sericea Orlando Mistretta, Duncan S. Bell, et al. 2010-4-12 4427 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 488 Comment
  UCR2697  Poa nervosa F. M. Reed 1908-7-11 2496 Riverside San Jacinto Mtns, Mt. San Jacinto 2927 Comment
  JOTR35130  Poa secunda subsp. secunda La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3242 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
  UC489188  Polygonum douglasii subsp. douglasii C. V. Meyer 1928-7-27 558 Riverside Round Valley San Jacinto Mts. 2773 Comment
  UCR24909  Polygonum douglasii subsp. douglasii A. C. Sanders 1980-7-22 1719 Riverside San Jacinto Mtns, Dutchman's Flat in Bear Trap Canyon about 1 mi (airline) west of Idyllwild. Between Hwy 243 and Foster Lake 1814 Comment
  UCR278856  Polygonum lapathifolium Mitch Provance 2012-11-10 17602 Riverside San Bernardino Valley, Riverside, Springbrook Creek (remnant) Fairmont Park, between the east side of Lake Evans and the west side of Market St. 245 Comment
  UCR67300  Polygonum persicaria Les Ede 1991-3-12 s.n. Riverside Sonoran (Colorado) Desert, Palo Verde Valley, SE of Ripley. E side of drain on 30th Ave. at Defrain Blvd. 75 Comment
  RSA708073  Polypodium californicum Scott D. White, Angelia Carey 2004-4-16 10181 Riverside Indian Creek and adjacent slopes. 549 Comment
  IRVC172  Polystichum imbricans subsp. curtum Carol Hooven 1965-4-24 HS 559 Riverside Highway 79. Comment
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Nov 30 2014
  RSA679172  Polystichum imbricans subsp. curtum Fred M. Roberts 2003-6-25 5953 Riverside Santiago Peak, south slope, Main Divide truck Trail, c.a. 0.1km S Bear Springs. 1219 Comment
  CDA2669  Pontederia cordata var. lanceolata C. Butsch 1988-6-23 Riverside Thunderbird Country Club golf course, Rancho Mirage. 0 Comment
  RSA5075  Populus fremontii Carl B. Wolf 1932-4-28 3084 Riverside Along the Colorado River near the Blythe Bridge. 91 Comment
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Mar 26 2011
  RSA770886  Populus fremontii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4589 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SD233936  Populus fremontii subsp. fremontii LeRoy Gross, Bart OBrien 2013-3-18 5951 Riverside Coastal Plains & Basins; San Bernardino Basin region: Fairmount Park, west side of Lake Evans, Riverside, NE of Mount Rubidoux (Riverside West 7.5'Q). 238 Comment
  UCR270196  Populus nigra A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-3 42417 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, c. 0.3 km NW (161 deg. ) of water tank 473 Comment
  CAS-BOT-BC356160  Porophyllum gracile Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2206 Riverside Northwest end of the McCoy Mtns, NW of Blackjack Mine 400 Comment
  CAS-BOT-BC356169  Porophyllum gracile Annie M. Alexander; Louise Kellogg 1941-5-9 2141 Riverside Colorado Desert. Cottonwood Spring, Eagle Mountains 883 Comment
  LA203859  Porophyllum gracile Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9537 Riverside Cottonwood Mountains, 2 mi. from Cottonwood Springs Comment
  RSA494350  Porophyllum gracile Bill Wagner 1988-4-5 s.n. Riverside Approx. 1.5 miles NW of the community of Murrieta. South side of I-15 Fwy at the junction of Nutmeg Rd. 381 Comment
  SD136945  Potamogeton foliosus subsp. foliosus Steve Boyd 1994-10-14 8387 Riverside San Mateo Canyon Wilderness Area of the Clevelanmd National Forest. San Mateo Canyon at the confluence with Bluewater Canyon 328 Comment
  UC12552  Potentilla gracilis var. elmeri H. M. Hall June, 1901 2296 Riverside in the vicinity Strawberry Valley; San Jacinto Mountains, vicin Strawberry Valley 1615 Comment
  POM366664  Potentilla rimicola Robert Kessler 1921-9-1 s.n. Riverside Mount San Jacinto. Comment
  SDSU18773  Primula clevelandii var. clevelandii C. Matt Guilliams 2008-2-13 447 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. Just downslope of mesatop. 426 Comment
  UCR101278  Prosopis glandulosa L. C. Wheeler 1961-10-8 7933 Riverside Peninsular Range, Temescal Canyon at Dawson Canyon Fire Road. Comment
  LA47456  Prosopis glandulosa var. torreyana Charles Bogert; 1932-4-17 4008 Riverside Indian Wells Comment
  RSA652726  Prosopis glandulosa var. torreyana Jack Stennes 1949-4-16 s.n. Riverside Desert near oasis. 0 Comment
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Apr 6 2011
  RSA86993  Prosopis glandulosa var. torreyana F. W. Peirson 1919-4-12 4429 Riverside Palm Canyon, near Palm springs. Comment
  UC61545  Prosopis glandulosa var. torreyana Miss Mary McKibben May 1904 Riverside Mecca; Colorado Desert -60 Comment
  HSC85250  Prunus ilicifolia Steve Boyd 1986-4-22 1729 Riverside Temescal Canyon: Walker Canyon area, where Alberhill Creek (=Temescal Creek) flows between Alberhill Mtn. and Gavilan Hills. Comment
  UCR41365  Prunus ilicifolia N. M. Fellows, A. C. Sanders 1985-5-7 187 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
  OBI35673  Psathyrotes ramosissima Louis B. Ziegler 1977-4-12 561 Riverside Near Desert Hot Springs 381 Comment
  RSA545294  Psilocarphus brevissimus R. F. Thorne 1973-5-23 43843 Riverside Santa Rosa Plateau:; N side of Mesa de Colorado. 610 Comment
  UC1260164  Psilocarphus brevissimus var. brevissimus Robert F. Thorne 1974-5-23 44668 Riverside Rancho California, top of Mesa de Colorado Santa Rosa Plateau, Mesa de Colorado 624 Comment
  UC217949  Psilocarphus brevissimus var. brevissimus P. A. Munz 1922-4-29 5065 Riverside 0.50 mi s Lake Elsinore Comment
  CAS-BOT-BC353626  Psorothamnus emoryi Frank A. Thackery 1928-4-24 3 Riverside Edom Comment
  CAS-BOT-BC353638  Psorothamnus emoryi E. A. McGregor 1917-3-18 702 Riverside 5 miles up Painted Canyon Comment
  LA205190  Psorothamnus emoryi S. Atsatt; 1926-4-17 sn Riverside Palm Springs Comment
  UCR214715  Psorothamnus emoryi A. C. Sanders 2010-3-23 37546 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  SD27953  Psorothamnus emoryi var. emoryi Carl B. Wolf 1932-4-26 2967 Riverside Colorado Desert 3 miles east of Mecca on blythe road Comment
  POM122394  Psorothamnus schottii Marcus E. Jones 1926-6-8 s.n. Riverside Whitewater. Colorado Desert. Comment
  RSA336202  Psorothamnus schottii Robert F. Thorne 1978-4-23 52024 Riverside Chino Canyon. Comment
  RSA404252  Psorothamnus schottii M. B. Dunkle 1933-3-4 3041 Riverside Painted Canyon, Colorado Desert. 30 Comment
  RSA450122  Psorothamnus schottii J. C. Roos 1966-5-2 s.n. Riverside Mouth of Pushwalla Canyon, Indio Mtns. Comment
  UCR241711  Psorothamnus schottii Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 44 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  UCR274324  Psorothamnus schottii Jennifer H. Jones, Scott D. White 2005-4-21 71 Riverside Sonoran Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just E of Coachella Canal 24 Comment
  UCSB9704  Psorothamnus schottii Krogen, Roger 1957-1 Riverside Along roadside of Hwy. 195, 10 mi. E of Mecca Comment
  UCR241126  Pteridium aquilinum Tracy Tennant, Jeffrey Ross 1998-6-23 MOR- 500 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  UCR268289  Pteridium aquilinum var. pubescens Jim Andre 2012-6-15 30531 Riverside San Jacinto Mountains, Banning, along Hwy 243, 10.7 miles south of Interstate 10, San Bernardino National Forest 1499 Comment
  JOTR35515  Pulicaria paludosa La Doux, Tasha, M. Harding, K. Callahan, D. Shade, M. Wheeler, T. Herskovits 2013-6-5 3202 Riverside Joshua Tree National Park. Little San Bernardino Mtns, lower Smithwater Canyon 1219 Comment
  RSA0094465  Pulicaria paludosa Duncan S. Bell 2015-8-12 8596 Riverside Orocopia Mountains; southwestern section of the range, collecting at a spring in the southern section of the Dos Palmas area. Temperature at around 120 degrees. -41 Comment
  UCR273966  Quercus Mitch Provance 2012-4-27 412- 34 Riverside The Badlands, Mt. Davis, southwest of Beaumont, about 1 mi S of I-10 and SR-60 interchange, just E of Davis Mountain Dr. and S of Westward Ave. 799 Comment
  UCR278374  Quercus Mitch Provance 2012-9-5 912- 15 Riverside Badlands of Western Riverside County, Potrero Creek, S end of City of Beaumont, E side of Highland Springs Rd., about 100 yards south of intersection with Breckenridge Ave. 755 Comment
  JOTR32954  Quercus X munzii La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 305 Riverside Joshua Tree National Park. Little San Bernardino Mountains, east of Willow Hole in Wonderland of Rocks Comment
  UCD45043  Quercus agrifolia Rudolph Fischer 1965-10-8 2 Riverside ca. 100 feet from south bank of San Jacinto River, elevation 2000 feet. State Highway 74, 3 miles east of Hemet, Riverside County, California. 609 Comment
  UCR136258  Quercus agrifolia A. C. Sanders 2004-6-20 28229 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
  UCR90959  Quercus agrifolia Scott D. White 1996-3-31 3874 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
  SD167109  Quercus agrifolia var. oxyadenia A. C. Sanders 2005-8-12 31554 Riverside San Jacinto Mountains; Poppet Flat below Highway 74 along Poppet Flat Road. 1098 Comment
  UCSB1042  Quercus agrifolia var. oxyadenia Neely, William 1948-10-3 Riverside above Pinyon Flats, Santa Rosa Mts. 1193 Comment
  UCR182371  Quercus berberidifolia Andrea Salzman 2006-4-20 78 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, near Elsinore Peak off Main Divide Road 1006 Comment
  UCR249998  Quercus berberidifolia Jeremiah George 2012-8-8 080812- 01 Riverside Moreno Badlands, San Timoteo Canyon, south of El Casco So. Calif. Edison substation, west side of San Timoteo Creek, west of dirt SCE line access road 655 Comment
  CAS-BOT-BC62436  Quercus chrysolepis Marcus E. Jones 1924-8-30 s.n. Riverside Tahquitz, San Jacinto Mts. Comment
  RSA592673  Quercus cornelius-mulleri Scott D. White, Duayne Haselfeld 1996-7-2 4265 Riverside Pinyon Flat Area: N of Highway 74, ca. 10 road miles E of junction with Highway 371. W-facing slope of Sugarloaf Mountain and adjacent valley. 1250 Comment
  CAS-BOT-BC86545  Quercus dumosa C. L. Hitchcock; C. V. Muhlick 1964-3-17 23102 Riverside 10 miles N of Pala, on road to Elsinore Comment
  RSA786539  Quercus engelmannii C. P. Cowan 1978-4-25 1287 -B 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
  SBBG89607  Quercus engelmannii A. C. Sanders, E. J. Lawlor 1988-10-22 8718 Riverside Pinyon Flat area; along Horsethief Crk where the trail from the Dolomite Mine crosses 1100 Comment
  SDSU13622  Quercus engelmannii W. Miller with C. Mosse 1972-7-20 Riverside 75 yards past fork next to olive trees. Comment
  RSA741573  Quercus palmeri Scott D. White, Justin M. Wood 2008-6-17 12166 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  RSA489833  Quercus turbinella D. Charlton 1988-5-28 2128 Riverside Santa Rosa Mts. S of Hwy. 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp Area. 2287 Comment
  LA205340  Quercus wislizeni Louis Wheeler; 1931-10-3 sn Riverside San Jacinto Mountains, Strawberry Valley Comment
  UCR20642  Rafinesquia californica O. F. Clarke 1980-4-26 s.n. Riverside Menifee Valley Area, south of Sun City a few miles. 1.5 miles west from the intersection of Holland and Haun Roads, 2 miles SW of the intersection of Newport Rd and Hwy 395 473 Comment
  CAS-BOT-BC362625  Rafinesquia neomexicana Roxana S. Ferris 1953-3-11 12605 Riverside Crossing on Highway 60-70 of Eagle Mountain Iron Mine Railroad Comment
  JOTR35148  Rafinesquia neomexicana La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3260 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash (Stop 4) Comment
  RSA0118610  Rafinesquia neomexicana Jim M. Andre 2015-3-6 33568 Riverside Coachella Valley: far NW corner of valley, 0.5 mi west of Hwy 62 (at mouth of Dry Morongo Wash), 0.3 mi. north of Kolbe Rd (dirt). 560 Comment
  UCR132503  Rafinesquia neomexicana 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
  UCR386  Ranunculus aquatilis Emily E. McGregor 1972-4-30 s.n. Riverside Peninsular Range, 0.5 mi west of Tenaja Station, Tenaja Rd. (6S08). Comment
  CLARK-A1528-787  Ranunculus californicus Annette Price 1962-5-1 O 64 Riverside Santa Ana Mountains Comment
  CAS-BOT-BC378492  Ranunculus californicus var. californicus Cecil Hart 1922-5-21 3 Riverside San Jacinto Pk. Comment
  UCR256900  Ranunculus californicus var. californicus LeRoy Gross, Caitlin Elam 2013-5-14 6072 Riverside Peninsular Range; San Jacinto Mountains, Garner Ranch, east of Lake Hemet and Hwy 74, west of the ranch buildings, north of the road to the buildings, and south of the old landing strip 1332 Comment
  CLARK-A1528-785  Ranunculus cymbalaria subsp. saximontanus C. M. Flanagan 1973-5-20 OO 512 Riverside Morongo Indian Reservation 0 Comment
  CSUSB565  Raphanus sativus Steve Stadler 1966-3-2 030266 21 Riverside Riverside city. Found in open field west of the corner of Blain Street and Canyon Crest. 50 yards from corner in back of a house. 304 Comment
  UCR156289  Rhamnus crocea T. B. Salvato, Kent Beaman 2005-5-16 859 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
  UCR281474  Rhamnus crocea Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-3-31 317- 95 Riverside Temescal Valley, Corona, N side of Campbell Ranch Rd., 0.2 miles E of intersection with Temescal Canyon Rd. 330 Comment
  RSA391104  Rhamnus ilicifolia Christopher Davidson, B. Gustafson 1977-4-7 5596 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
  SD122915  Rhamnus ilicifolia Steve Boyd 1985-8-7 1111 Riverside Santa Rosa Plateau region, NW base of Rdonda Mesa on Tenaja Rd., 0.8 mi. east of jtn with 8S01 and 8S02. Comment
  POM12894  Rhamnus tomentella subsp. tomentella P. A. Munz 1922-6-25 5817 Riverside Santa Rosa Mountains; Road to Santa Rosa. 1524 Comment
  UCR96912  Rhus laurina G. F. Pratt 1997-3-19 s.n. Riverside March Air Force Base, west of Arnold Heights & west of the highway 470 Comment
  CAS-BOT-BC167968  Rhus ovata Elizabeth McClintock 1964-4-8 s.n. Riverside Snow Canyon, east side of Mt. San Jacinto Comment
  SBBG97184  Rhus ovata W. L. Halvorson 1977-4-1 77 -225 Riverside 5 mi S of Temecula on Hwy S16 Comment
  UC472805  Rhus ovata Mary F. Spencer Aug 1925 287 Riverside Idyllwild; San Jacinto Mountains 1524 Comment
  RSA234086  Rhus trilobata var. anisophylla R. F. Thorne, E. Lathrop 1969-6-6 39324 Riverside Santa Rosa Plateau: Rancho California 610 Comment
  IRVC9268  Rhus trilobata var. quinata B. T. Gittins 1966-5-1 1248 Riverside 6 miles W of Murietta; roadside. Santa Ana Mountains Comment
  CAS-BOT-BC93063  Ribes californicum var. hesperium Carl B. Wolf 1932-2-11 2642 Riverside Hidden Canyon, 5 miles west of Corona. Santa Ana Mountains. Base of Skyline Drive. 405 Comment
  UC484124  Ribes californicum var. hesperium B. D. Stark 1930-2-21 1470 Riverside near Corona (Hidden Canyon); Santa Ana Mts. Comment
  CAS-BOT-BC173131  Ribes indecorum A. C. Sanders; G. Waines; B. Ehdaie; A. Aryavand 1997-3-12 19905 Riverside Lake Skinner area: upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  POM256961  Ribes indecorum W. Pequegnat 1939-12-26 s.n. Riverside 1 mile NW Trabuco Peak, Santa Ana Mts. 1067 Comment
  RSA487547  Ribes indecorum Bill Wagner 1988-3-2 s.n. Riverside Glenoaks Road about 2.5 mi S if Lake Skinner and ca. 8 mi NE of Temecula. 564 Comment
  UCR158448  Ribes indecorum S. J. Myers 1993-1-22 s.n. Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, SW of Mesa de Colorado, Carancho Rd. at Tortuga Rd. 396 Comment
  UCR35282  Ribes indecorum L. B. Ziegler 1968-1-15 264 Riverside San Jacinto Mtns, In Avery Canyon (Diamond Valley) 503 Comment
  CAS-BOT-BC168949  Ribes malvaceum Carl B. Wolf 1932-2-11 2643 Riverside Santa Ana Mts., Hidden Canyon, 5 mi. west of Corona, base of Skyline Drive 405 Comment
  RSA446204  Romneya coulteri Gale Sphon 1955-3-7 s.n. Riverside 3 miles east of Lake Elsinore. Comment
  UCR141678  Romneya coulteri June Latting 1980-5-20 s.n. Riverside Peninsular Range, Santa Ana Mountains, Skyline Drive in Tin Mine Canyon, south of Sierra Peak 671 Comment
  UCR217664  Romneya coulteri Ana Hernandez, Jeff B. Galvin 2010-5-6 020 Riverside Santa Ana Mountains, At the mouth of Rice Canyon on East Horsethief Trail next to riparian drainage 494 Comment
  CAS-BOT-BC92170  Romneya coulteri var. coulteri L. R. Abrams 1913-7-16 s.n. Riverside Between Elsinore and Corona. Comment
  UCR17072  Rorippa curvisiliqua James K. Ryan 1969-6-1 111 Riverside City of Riverside, University of California Riverside [UCR] campus, in front of Bachelor Hall 335 Comment
  SDSU17734  Rorippa nasturtium-aquaticum D. C. Estrella, M. G. Simpson 2002-4-20 28 Riverside Shallow, aquatic pool. Santa Margarita Ecological Preserve. 229 Comment
  UCD115383  Rorippa sphaerocarpa A. C. Sanders; Mitch Provance 1999-9-26 23096 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area. 1323 Comment
  SEINET239057 Image available Rostraria cristata Mitch Provance 1998-3-20 174 B Riverside Riverside area: Jurupa Mtns. pass west of Rattlesnake Mtn. along the E side of Armstrong Rd. ca. 1/8 mi. S of the San 313 Comment
  UC219558  Rubus parviflorus P. A. Munz 1922-7-6 6028 Riverside North Fork of Tahquitz Creek San Jacinto Mts., North Fork Tahquitz Creek 2225 Comment
  UCR274290  Rumex salicifolius T. B. Salvato, Melissa Clemons 2005-6-6 1412 Riverside Peninsular Range, Gavilan Hills, c. 0.75 mile south-southeast of Steele Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore 579 Comment
  UCR9560  Rumex salicifolius var. salicifolius O. F. Clarke 1968-9-18 s.n. Riverside From the campus of the University of California at Riverside Comment
  UC65012  Salazaria mexicana E. E. Schellenger 1904-10-18 27 Riverside Chucawalla Bench; Colorado Desert, Chucawalla Bench Comment
  UCR85274  Salazaria mexicana Bern Schwenn 1994-4-17 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument, north side of Hexie Mtns, near Hidden [and Stirrup] Tanks 1067 Comment
  RSA689522  Salix exigua Scott D. White, Brian Leatherman 2002-6-10 8781 Riverside Whitewater river canyon, ca. 1 mi below trout farm 628 Comment
  RSA799080  Salix exigua Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6877 Riverside South side of Joshua Tree National Park, Cottonwood Spring 915 Comment
  RSA512129  Salix gooddingii Ed LaRue 1989-4-21 s.n. Riverside Moreno Valley, ca. 1 mi S of Hwy 60 on Nason St. Adjacent to W side of Nason, S of Dracaea Ave. Comment
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Aug 27 2010
  UC482397  Salix gooddingii unknown 1932-6-5 925 Riverside Eagle Canyon; Colorado Desert, Santa Rosa Mts., Eagle Canyon Comment
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Mar 11 2011
  POM177760  Salix laevigata Marcus E. Jones 1930-3-15 s.n. Riverside Eagle Mountains. Comment
  RSA593974  Salix laevigata D. L. Banks, Elizabeth Hedge Banks 1996-5-2 959 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
  UCR154454  Salix lasiolepis A. C. Sanders, Mike Misenhelter 2005-6-15 30965 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  UC1178571  Salix lutea Peter Kamb 1949-5-8 1406 Riverside Hall Canyon San Jacinto Mts., Hall Canyon 1645 Comment
  CAS-BOT-BC126319  Salix sessilifolia Mrs. H. P. Bracelin 1932-4-12 602 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside 240 Comment
  RSA413244  Salsola tragus James C. Dice, J. DeWald 1987-9-28 730 Riverside North side of Temecula Gorde, near entrance to field station site, ca. 4.5 km ENE of Gavilan Mountain. 330 Comment
  RSA0094988  Saltugilia latimeri Leigh A. Johnson 1992-5-15 92 -021 Riverside Pinyon Flats: 1/2 way between Palm Canyon Drive & Jeraboa Road, about 100-200 yards N of the road near a rocky outcrop. 1280 Comment
  POM14051  Saltugilia splendens P. A. Munz, D. D. Keck 1922-4-14 5001 Riverside East of White Water Ranch. 244 Comment
  UC1080318  Saltugilia splendens subsp. splendens P. C. Everett and E. K. Balls 1958-5-4 23083 Riverside Morongo Canyon 670 Comment
  UCR37127  Salvia X bernardina K. R. Neisess 1983-6-16 505 Riverside Perris Basin, Motte Reserve, 2.5 mi. NW of Perris 579 Comment
  RSA500077  Salvia carduacea Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3235 Riverside Vail Lake area, sandy valley at NE end of lake, N of Wilson Creek 488 Comment
  RSA175251  Salvia columbariae Robert F. Thorne 1963-3-29 32435 Riverside Mouth of arroyo near Eagle Mt. Pumping Station, S side of Eagle Mts., ca. 12 miles W of Desert Center. 534 Comment
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Apr 24 2011
  RSA401477  Salvia columbariae Gale Sphon 1955-4-2 s.n. Riverside Perris. Comment
  UCR226068  Salvia columbariae A. C. Sanders, T. B. Salvato 2011-4-1 38962 Riverside Peninsular Range, Lake Elsinore, hill 90 m NE of intersection of Baker St. and Bunker St., 0.35 km NW of Hwy 74 395 Comment
  UCSB5781  Salvia columbariae Van Leeuwen, Henry 1957-4-13 Riverside about 2 miles south of junction of US 60 and California Hwy 195 Comment
  SD70009  Salvia greatae Darley F. Howe 1968-3-17 4494 Riverside Salton Creek between Orocopia and Chocolate Mountains. 121 Comment
  RSA434137  Salvia mellifera Christopher Davidson 1973-4-1 1814 Riverside Hwy 71/79, appx. 7 mi from jct. of 395 south. 412 Comment
  RSA614369  Salvia mellifera A. C. Sanders 1997-3-1 19746 Riverside Box Springs Mtns., S end of the range along Gernert Rd. (dirt), in valley draining to Box Spring Cyn. 457 Comment
  UC1287000  Salvia mellifera C. L. Hitchcock 1966-3-16 24181 Riverside 0.25 mi w Aguanga Comment
  UC883960  Salvia mellifera C. L. Hitchcock 1940-4-12 6047 Riverside 8 mi nw Elsinore 457 Comment
  UCD125587  Salvia mellifera C. L. Hitchcock 1966-3-16 24181 Riverside 0.25 mile west of Aguanga. Comment
  CAS-BOT-BC233341  Salvia vaseyi E. K. Balls; P. C. Everett 1957-8-20 22669 Riverside 6.6 mi. SW along State Hwy. 74 from Palm Villate, jct. State Hwy. 111 502 Comment
  HSC47584  Salvia vaseyi Richard Spjut, C. E. Edson 1978-5-5 5013 Riverside W margins of Colorado Desert, along Hwy. 74 W of Palm Desert in the San Jacinto Mtns. 610 Comment
  RSA771747  Sambucus mexicana Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4766 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 W116.65125 604 Comment
  UCR120192  Sambucus mexicana Mitch Provance 1998-3-7 150 Riverside Jurupa Mountains, 'Rattlesnake Mt.', c. 0.5 km east of corner of Rorimer Dr. and Brenton St., on the E side of Armstrong Rd., in the Sunnyside area of Riverside. 366 Comment
  UCR138914  Sambucus mexicana Julie A. Greene 1993-4-3 1083 Riverside San Jacinto Valley, San Jacinto Wildlife Area. Old agricultural field, east of dirt road 441 Comment
  UCR240998  Sambucus mexicana Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 19 Riverside South Coast/Peninsular Range, Riverside, Sycamore Canyon, near the entrance to the park 396 Comment
  RSA0036464  Sambucus nigra subsp. caerulea J. M. Andre 2012-6-15 30530 Riverside Along Hwy 243, 10.7 mi. south of Interstate 10 (Banning); SB Natl. Forest. 1499 Comment
  UCR137474  Sanicula bipinnatifida D. L. Banks 1997-4-5 1692 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
  UCR48493  Sanicula bipinnatifida Steve Boyd 1986-3-9 1397 Riverside Peninsular Range, Temescal Canyon, between Indian Truck Trail & Horsethief Wash 367 Comment
  RSA471127  Sarcodes sanguinea N. C. Cooper 1944-6-17 1404 Riverside Pine Cove. San Jacinto Mtns. 1829 Comment
  UCR120690  Sarcostemma cynanchoides Helen Kennedy, T. B. Salvato 2002-2-2 5443 Riverside Western Colorado Desert/ San Jacinto Mtns, Coachella Valley, Agua Caliente Indian Reservation, mouth of Andreas Canyon at Palm Canyon, S edge of Palm Springs between Andreas Cyn. Rd. and water tank on W edge of sec. 2 244 Comment
  UC708738  Sarcostemma cynanchoides subsp. hartwegii H. K. Wagnon 1944-5-25 391 Riverside near falls n. side Tahquitz Canyon; Palm Springs Comment
  JEPS27446  Sarcostemma hirtellum E. E. Schellenger April 1920 Riverside Chuckwalla Mts. Colorado Desert, Chuckwalla Mts. Comment
  LA202891  Sarcostemma hirtellum Carl Epling; William Robison 1933-6-27 sn Riverside Little San Bernardino Mountains, 5 mi. S of Gold Coin Mine Comment
  RSA737322  Schedonorus arundinaceus Justin M. Wood 2008-9-22 158 Riverside SW Perris Basin; Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR162541  Schinus polygamus Michael D. Wilcox 2005-7-28 s.n. Riverside Upper Santa Ana River Basin, Riverside, east of Mt. Rubidoux, 4737 Indian Hill Road off Mission and adjacent to Santa Ana River 244 Comment
  UCR113624  Schinus terebinthifolius O. F. Clarke 2000-10-4 s.n. Riverside Santa Ana River Valley, Hidden Valley Nature Center, c. 1/2 mile west of the park office (nature center), near Riverside between La Sierra and Norco 191 Comment
  CSUSB1165  Schismus arabicus Wayne White 1975-5-17 Riverside Chuckwalla Mountains On Red Cloud Road, off Highway I-10, Chuckwalla Mountains. Colorado Desert. 484 Comment
  UCR260313  Schismus arabicus A. C. Sanders, Jim Malusa 2015-3-10 41382 Riverside Sonoran (Colorado) Desert, north end of Chocolate Mountains, eastern canyon at Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 611 Comment
  RSA562440  Schismus arabicus Steve Boyd, Timothy S. Ross 1992-5-6 7264 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness area. Verdugo Potero, near the Verdugo Trailhead. 732 Comment
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Aug 14 2014
  CAS-BOT-BC243455  Schismus barbatus Ira L. Wiggins 1966-2-22 20463 Riverside Along Highway 60, 1.5 mi. SE of Garnet Hill Comment
  HSC101533  Schismus barbatus J. P. Smith, J. O. Sawyer, R. J. Cole 2010-4-14 12755 Riverside Roadside 455 Comment
  RSA776379  Schismus barbatus Amber Swanson 2011-4-8 376 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  UCR108839  Schismus barbatus Heidi A. Haid 1969-4-29 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR125217  Schismus barbatus Mitch Provance 1998-5-5 523 Riverside City of Riverside, Hillside area, near Central Ave., along the N periphery of the Riverside Airport, south of the Wall Street Journal Ofc. 250 Comment
  RSA595319  Schismus barbatus D. L. Banks, Victor Steinmann 1996-4-20 882 Riverside NW Palomar Mountains; Agua Tibia Mountains; N face of Dorland Mtn., on the W side of the Dorland Mountain Arts Colony; On a NE trending ridge, NW of the Administration Cabin. 530 Comment
  UCR129353  Schoenoplectus acutus var. occidentalis Patricia Wilder 1970-10-30 4851 Riverside Santa Ana River Valley, along road on south side of Prado Flood Control Basin east of Prado Dam, east of Chino Hills 152 Comment
  UCR277488  Schoenoplectus californicus Mitch Provance 2013-2-16 0213- 01 Riverside Santa Ana River Valley, Riverside, Arlanza area, W side of Hole Lake and adjacent mesa. 226 Comment
  UC841173  Scirpus acutus var. occidentalis Crawford and Johnston 1917-6-9 1226 Riverside Santa Ana River near Corona (along stream); Santa Ana River near Corona Comment
  UC60276  Scirpus microcarpus H. M. Hall June 1901 2289 Riverside along water courses in vicinity Strawberry Valley (San Jacinto Mountains, Southern California); San Jacinto Mountains, vicinity Strawberry Valley 1615 Comment
  UCR107710  Scrophularia californica A. C. Sanders 1997-3-1 19751 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
  UCR154440  Scrophularia californica A. C. Sanders, Mike Misenhelter 2005-6-15 30981 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  UCR93025  Scrophularia californica G. P. Schultz 1994-4-7 85 Riverside Box Springs Mtns, Big Springs Canyon and N on the crest to Two Trees Canyon (S side) Comment
  RSA200064  Scutellaria bolanderi subsp. austromontana L. B. Ziegler 1967-7-18 s.n. Riverside Near upper Herkey Creek, which flows into Hemet Lake Comment
  UCR281202  Scutellaria bolanderi subsp. austromontana James Hughes 2017-6-21 s.n. Riverside San Jacinto Mountains, Fleming Ranch 1569 Comment
  UCR228856  Secale cereale A. C. Sanders, T. B. Salvato 2011-3-28 38822 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, powerline corridor along McLaughlin Rd. west of Murrieta Rd., north of Sun City 439 Comment
  RSA697611  Securinega fasciculata var. hallii J. R. Bruff 1928-5-2 168 Riverside Cottonwood Springs. Comment
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Oct 9 2010
  RSA0074745  Sedum spathulifolium Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8650 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  RSA757779  Selaginella bigelovii LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4329 Riverside Whitewater Canyon., 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. This collection near 871 Comment
  SD87790  Selaginella bigelovii F. W. Peirson 1920-2-15 1530 Riverside Murray CaA'on Comment
  SEINET7073445  Selaginella bigelovii A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  POM6431  Selaginella eremophila Philip A. Munz, L. Street, G Williams 1919-3-25 2324 Riverside Palm Canyon. 243 Comment
  RSA85940  Selaginella eremophila Frank W. Peirson 1920-2-15 1531 Riverside Tahquitz Canyon near Palm Springs Comment
  POM12888A  Selaginella watsonii Philip A. Munz 1922-7-7 6045 Riverside Summit of San Jacinto Peak. 3287 Comment
  UC130481  Senecio aphanactis Charlotte M. Wilder 1909-3-28 894 Riverside Wilder's Canyon , Wilder's Canyon (Jurupa Hills) Comment
  SD181683  Senecio californicus var. californicus Scott D. White, Tasha La Doux 2000-4-20 7709 Riverside Gibbel Flat In the Santa Rosa Hills. 609 Comment
  CAS-BOT-BC323965  Senecio flaccidus var. douglasii Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  UC575024  Senecio flaccidus var. monoensis C. Epling and Wm. Robison 1933-6-26 Riverside basin 5 mi s Lost Horse Wells; Little San Bernardino Mts. Comment
  JOTR35342  Senecio mohavensis Harding, Mitzi, Mark Wheeler 2012-2-28 108 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; steep-walled, shallow, north-flowing canyon with rocky wash bottom (Stop 4) 361 Comment
  RSA480019  Senecio mohavensis Steve Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2146 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA509557  Senecio vulgaris 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
  RSA444580  Senecio vulgaris B. Roy 1988-2-21 2- 21 -88/2 Riverside Cahuilla County Park, near Indio down 58th Street from intersection with Monroe St. 3 Comment
  RSA501017  Senecio vulgaris Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3136 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  SD129359  Senna obtusifolia Les Ede 1989-8-19 Riverside South of Blythe in the Palo Verde Valley, ca 1 mile north of the Imperial County line; in cotton fields at Norton Farms Comment
  UC1951161  Sequoia sempervirens Scott D. White, Justin Wood 2009-5-22 12922 Riverside SAN JACINTO MOUNTAINS: Halfway Spring, accessed via Old Control Road. USGS Blackburn Canyon 7.5' Quad. Comment
  CDA4262  Sesbania herbacea T. C. Fuller 1958-9-23 2153 Riverside Clinton Street & Avenue 46, north of Indio. 0 Comment
  RSA728654  Setaria adhaerens R. E. Riefner 2005-12-30 5 -793 Riverside City of La Sierra; Gramercy Pl. near La Sierra Ave. 227 Comment
  CAS-BOT-BC240159  Setaria verticillata John C. Roos 1952-5-14 5660 Riverside Corner Iowa Ave. and 8th Street east of Riverside 304 Comment
  UC1100451  Setaria viridis Herbert L. Mason and Malcolm A. Nobs 1948-9-3 491 Riverside 2 mi. n. Indio Comment
  LA205908  Sidalcea malviflora O. A. Plunkett; 1926-4-18 sn Riverside Temecula Comment
  UCR132922  Sidalcea malviflora 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
  RSA433907  Sidalcea malviflora subsp. sparsifolia Ora M. Clark 1929-3-2 1639 Riverside Near Elsinore. Comment
  CAS-BOT-BC434392  Sidotheca trilobata James L. Reveal; Barbara Ertter 1976-6-30 4567 Riverside Santa Rosa Mountains, along the dirt road to Santa Rosa Mountain, 4 miles south of California Highway 74 1737 Comment
  SD181382  Sidotheca trilobata Rashmi Pant, Darin Banks 1996-5-1 1013 Riverside Cleveland National Forest: along the Cutca Trail, E of the Cutca Valley, ca. 0.5 miles W of the Aguanga Trail Junction Comment
  UCR133389  Silene antirrhina Tracy Tennant, T. B. Salvato 1998-6-23 485 Riverside San Bernardino Mtns., Morongo Indian Reservation, N end of Hathaway Cyn., c. 0.4 miles east of pk 4265 (polygon 13) 1341 Comment
  UCR260532  Silene gallica T. B. Salvato, Matt Malle, Tom Sullivan 2014-5-28 7992 Riverside Perris-Aguanga Basin, Menifee, south side of Bundy Canyon Road between Sunset Ave and Lynx Rd. 0.9 mi west of the intersection of Bundy Canyon Road and Murrieta Rd, and 4.2 mi southeast of Canyon Lake 543 Comment
  JEPS51008  Silene parishii W. L. Jepson 1903-8-8 2303 Riverside slopes of Tahquitz Peak (Tauqitz Peak) San Jacinto Mt., slopes of Tahquitz Peak (Tauquitz Peak) Comment
  JEPS40198  Simmondsia chinensis Marjorie D. Clary 1932-3-27 1168 Riverside 5 mi e Indio (Indio Hills); Colorado Desert, Indio Hills 152 Comment
  LA103833  Simmondsia chinensis B. Pitzer; 1986-3-18 BG- 63 Riverside UCR Botanic Garden, cultivated in grid cell # D-7 396 Comment
  LA93939  Simmondsia chinensis A. L. Grant; 1932-5-7 149 Riverside Santa Rosa Mountains, Martinez Canyon Comment
  RSA0124803  Simmondsia chinensis Duncan S. Bell, LeRoy Gross 2016-3-31 9198 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 591 Comment
  RSA164884  Simmondsia chinensis Peter Gail 1963-3-29 124 Riverside Eagle Mts, 2 mi. off road to Metropolitan Water pump station, on side of wash. 610 Comment
  RSA27976  Simmondsia chinensis C. Leo Hitchcock 1940-3-31 5891 Riverside Between Cottonwood Spring and Pinto Basin. Comment
  UC1130463  Simmondsia chinensis H. S. Yates 1937-3-24 6458 Riverside Deep Canyon; Thermal Quadrangle, Deep Canyon Comment
  UCD101792  Simmondsia chinensis Franklin C. Raney 1959-4-30 59 - Riverside west side of State Highway 79, 13.1 miles south of Hemet. Comment
  UCR29932.1  Simmondsia chinensis Melissa Luckow, R. Riggins 1982-4-14 793 Riverside S