Search Results — 2000 specimen records retrieved (1882 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/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
  UCR131459  Abies concolor June Latting 1973-3-1 s.n. Riverside Santa Rosa Mountains., Santa Rosa Mountain along Santa Rosa Mtn. Rd. 2104 Comment
  UCR20827  Abronia villosa A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1332 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  UCR90170  Abronia villosa R. W. Scora 1966-4-1 3028 Riverside Sonoran (Colorado) Desert, Coachella Valley, 3-4 km east of Thousand Palms on Ramon Road; near Hidden Spring Oasis 60 Comment
  POM324029  Abronia villosa var. aurita Greg White 1971-7-15 296 Riverside N. Lake Hemet, Hemet Lake Rd. 1337 Comment
  RSA0031614  Abronia villosa var. villosa Jim Andre 2013-3-27 24791 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi south of Rice (Hwy 62). 241 Comment
  SD248459  Abronia villosa var. villosa A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41421 Riverside San Gorgonio Pass: San Gorgonio River wash, c. 3.7 miles E of Cabazon, c. 1.25 miles NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms (White Water 7.5'Q) 427 Comment
  SEINET937284  Abronia villosa var. villosa Leo A. Galloway 1970-1 1228 Riverside 23.5 miles southeast of Twentynine Palms in Joshua Tree National Monument. Comment
  UCR228628  Abronia villosa var. villosa Thomas R. Stoughton, J. McConnaughy, D. Monks, M. Volke 2010-4-22 155 Riverside Sonoran (Colorado) Desert, north of Hwy I-10, c.1.5 mi up Corn Springs Road 213 Comment
  UCR261448  Abronia villosa var. villosa A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41421 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
  UCR253375  Acacia Lauren Velasco 2014-9-2 s.n. Riverside Sonoran Desert; Coachella Valley, La Quinta Park in La Quinta, near the intersection of Adams St. and Blackhawk Way 27 Comment
  POM6907  Acacia greggii P. A. Munz 1919-5-7 2743 Riverside Palm springs 183 Comment
  UCR100362  Acacia iteaphylla A. C. Sanders, Steve Morgan 1997-11-6 21588 Riverside Riverside, UCR Botanical Garden, dry W-facing slopes east of the Australian section 396 Comment
  CAS-BOT-BC177005  Acacia redolens A. C. Sanders; T. B. Salvato 2011-3-30 38895 Riverside Peninsular Range: city of Lake Elsinore, N of Pasadena St. c. 0.35 km NW of Central Ave. intersection 385 Comment
  POM41109  Acamptopappus sphaerocephalus var. sphaerocephalus Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  SBBG35092  Acamptopappus sphaerocephalus var. sphaerocephalus T. L. Secrest 1948-4-7 Riverside 5 mi below Whitewater 274 Comment
  RSA263609  Acer macrophyllum E. W. Lathrop 1968-3-22 6917 Riverside Main Divide Truck, trail between El Carriso and Santiago Peak, Cleveland Nat'l Forest 1220 Comment
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Apr 28 2011
  UCR178159  Achillea millefolium John F. Green, M. D. Wilcox 2003-7-15 s.n. Riverside San Jacinto Mtns., on powerline trail, picnic area at Juan Diego Flats, NW of Cahuilla Mountain 1220 Comment
  UC472686  Achnatherum coronatum M. F. Spencer 1921-4-19 Riverside Banning San Bernardino Mts. Comment
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Mar 13 2011
  CAS-BOT-BC260436  Achnatherum hymenoides H. M. Hall 1899-5-24 1163 Riverside San Jacinto Mountains. Van DeVenders 1371 Comment
  RSA577747  Achnatherum hymenoides F. M. Reed 1927-3-19 5671 Riverside Salt Creek Wash, east of Mecca 213 Comment
  RSA528884  Achnatherum latiglume M. Curto, Linda Allen 1991-6-26 766 Riverside Thomas Mountain, near former lookout tower site, summit road SW off San Bernardino NF Rd 5S15 2060 Comment
  POM122333  Achyronychia cooperi Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA516891  Achyronychia cooperi Steve Boyd, Orlando Mistretta 1986-3-13 1405 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd & 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  RSA696573  Achyronychia cooperi Mary Edmunds 1932-3-25 s.n. Riverside Colo. Desert-Coachella Valley. Oasis near sea level. Comment
  SJSU10123  Achyronychia cooperi T. N. Seeno 1963-4-12 276 Riverside Sky Valley 10-12 mi NNW of Palm Springs 426 Comment
  UC1979646  Acmispon argophyllus Steve Boyd, D. L. Banks 1995-4-5 8418 Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain on the eastern edge of the Dripping Springs Alcove in tributary of Arroyo Seco, west of lower Dripping Springs Trail, just south of the Wilderness boundary. Comment
  SD167121  Acmispon brachycarpus A. C. Sanders, T. B. Salvato 2005-4-28 29763 Riverside Gavilan Hills, north of Santa Rosa Road, 1.0 mile southwest of Ida Leona Mine. 625 Comment
  SD227811  Acmispon brachycarpus Andrew C. Sanders, G. Helmkamp 1997-3-15 20001 Riverside Peninsular Range: Lake Skinner, SE foot of Bachelor Mtn., just N of the lake 500 Comment
  SD133089  Acmispon glaber Scott White 1991-3-22 Riverside Los Alamos Road, ca. 2 mi. W of I-215 exit, by road; just E of the city of Murrieta, between Murrieta & I-215. 366 Comment
  RSA0121046  Acmispon heermannii var. heermannii Duncan S. Bell, LeRoy Gross 2016-3-29 9121 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5 air miles southeast of the summit of Martinez Mountain. 686 Comment
  JOTR36015  Acmispon rigidus Harding, Mitzi, T. Herskovits 2012-3-16 222 Riverside Joshua Tree National Park. Eagle Mountains, Cholla Wash Comment
  UCD104284  Acmispon rigidus Nancy Ryan Zabriskie 1973-2-23 565 Riverside Boyd's Rd. Lookout, Deep Canyon, N Slope Santa Rosa Mts. 853 Comment
  SFV22080  Acmispon strigosus T. Stoughton, C. Gabriel, S. Rockwood 2011-3-29 891 Riverside San Bernardino Mountains Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon. 915 Comment
  RSA793266  Acourtia microcephala Aaron C. Sedgwick, April Garbat 2012-5-5 98 Riverside West of San Jacinto Forest Service land and south of Hwy. 74. Entry point is from an unmarked road just ~1000 ft. west of the ranger station. Continue through citrus groves to BLM land located in a canyon south of the groves. 610 Comment
  UCR136259  Acourtia microcephala A. C. Sanders 2004-6-20 28227 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., hilltop above I-15, SW of main clay pits 378 Comment
  UCR261509  Acourtia microcephala A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-19 41731 Riverside Temesal Canyon, south of Glen Eden Rd. on the crest of an alluvial ridge, south of I-15 and Lee (Corona) Lake 384 Comment
  SEINET13386988 Image available Acroptilon repens Mitch Provance 2013-1 613 -28 Riverside San Bernardino Valley: Riverside, S corner of North Main St. and Dublin Way. (San Bernardino South 7.5' Q.) 247 Comment
  UCD128573  Acroptilon repens J. C. Roos 1951-10-24 5335 Riverside Between Arlington and Pedley. 228 Comment
  RSA716087  Adenostoma sparsifolium Fred M. Roberts, Robert Allen 2006-8-5 6398 Riverside Santa Ana Mtns region: just east of Bear Creek, 0.5km SE Upper San Juan Campground. 668 Comment
  UC12023  Adenostoma sparsifolium Mrs. Gregory 1890-1 Riverside at San Jacinto San Jacinto Comment
  SBBG87356  Agoseris retrorsa D. Charlton 1988-5-21 1917 Riverside Thomas Mtn Rd, W of Garner Valley and S of Lake Hemet on St Hwy 74 1676 Comment
  UCSB37902  Agrostis exarata A. C. Sanders 1980-7-18 # 1668 Riverside collected 2.0 mi SW along Thomas Mountain Rd at Spillway Canyon, in the Thomas Mountains State Highway 74 - Spillway Canyon, State Highway 74 and Thomas Mtn. Rd. 1462 Comment
  RSA192238  Agrostis pallens E. W. Lathrop 1960-6-7 4876 Riverside 14 miles west of Murrieta Comment
  RSA0027470  Allionia incarnata Deidre Conocchioli, Billy Sale, Naomi S. Fraga 2013-9-25 57 Riverside East of Alligator Rock: From I-10 at Desert Center, head south on CA-177 to BLM Rd 394 (dirt). Collection site is 1.1 miles SW of interstate exit ramp. 334 Comment
  RSA793616  Allionia incarnata Duncan S. Bell, Aaron Sedgwick 2012-9-13 4197 Riverside Hayfields Lake; eastern section of dry lake, approximately 3.75 air miles southeast of Hayfields pumping plant. 420 Comment
  UC851825  Allionia incarnata Ivan Johnston 1917-4-4 Riverside Colorado Desert, at mouth of Palm Canyon Palm Canyon; Colorado Desert, Palm Canyon 228 Comment
  JEPS61483  Allium fimbriatum var. fimbriatum W. L. Jepson and H. M. Hall 1901-5-27 1461 Riverside Van Deventer's Ranch San Jacinto Mts., Van Deventer's Ranch Comment
  CAS-BOT-BC131992  Allium haematochiton J. C. Roos 1966-3-24 s.n. Riverside Bundy Canyon Road east of Elsinore Comment
  RSA70222  Allium haematochiton F. W. Peirson 1921-3-19 2394 Riverside 4 miles west of Beaumont, on road to Redlands. Comment
  UCR135817  Allium haematochiton A. C. Sanders, Guy Bruyea 2004-4-2 27430 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. 335 Comment
  CAS-BOT-BC472714  Allium lacunosum var. lacunosum S. Mashayekhi; S. Boyd; M. Biabani 2008-4-15 SM 011 Riverside E. of Elsinore Peak Comment
  UCR18124  Allium munzii Steve Boyd 1978-5-15 100 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  JOTR35461  Allium parishii Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 64 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats (stop4) Comment
  UCR78045  Allium peninsulare Scott D. White 1993-4-22 1231 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  UC1929473  Allophyllum Scott D. White, Michael Honer 2003-6-3 9486 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. Comment
  RSA16503  Allophyllum glutinosum Percy C. Everett 1935-6-17 7155 Riverside Coldwater Can. trail to Santiago Peak, 1.5 mi. above Glen Ivy Resort. 564 Comment
  SD60432  Alnus rhombifolia Reid Moran 1964-7-27 11856 Riverside Canyon of Santa Margarita River, 2.5 miles south-southwest of Temecula 199 Comment
  GMDRC3497  Aloysia wrightii J. Andre, T. La Doux 2008-9-16 10685 Riverside Little San Bernardino Mountains: Joshua Tree National Park: along Bell Mtn Rd, atop Bell Mtn appox 0.3 mi. N. of radio tower. Queen Mountain USGS 7.5 min quad 34 deg. .35' N 116 deg. .017' W. Elev. 4458 ft. 1359 Comment
  UCR148485  Amaranthus blitum John F. Green 2005-1-25 s.n. Riverside San Bernardino Valley, Mira Loma area, just south of the San Bernardino county line near Ontario, north of Cloverdale Rd. between Harrison Ave. and Archibald Ave. 197 Comment
  CDA3239  Amaranthus cruentus A. C. Sanders 2002-1-14 24890 Riverside Upper Santa Ana River/San Bernardino Valley Region; Riverside, east side of Streeter Ave. just S of Scott Ave., between Arlington and Central Aves. Comment
  RSA338589  Amaranthus palmeri A. C. Sanders 1985-8-24 5949 Riverside Near oasis in lower Coachella Valley. On E side of Hwy 195, ca 0.5 mi N of intersection with Hwy 86 and just N of Ave 77. -52 Comment
  RSA660912  Amaranthus palmeri Mitch Provance 1998-6-20 711 Riverside Jurupa Mountains: Glen Avon Heights, on the N side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  UCR59701  Amaranthus palmeri George K. Helmkamp 1989-9-16 s.n. Riverside Sonoran (Colorado) Desert, Blythe 75 Comment
  UCR24356  Ambrosia artemisiifolia John C. Roos 1965-10-17 s.n. Riverside Sonoran (Colorado) Desert, roadside 20 miles west of Blythe 120 Comment
  CAS-BOT-BC166536  Ambrosia confertiflora A. C. Sanders 1996-5-14 18169 Riverside Moreno Valley (Edgemont), east side of I-215 at Alessandro Blvd. 470 Comment
  SEINET4691693  Ambrosia confertiflora O. F. Clarke 2009-1 s.n. Riverside Peninsular Range: Riverside; O. F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  LA202895  Ambrosia dumosa Carl Epling; 1927-3-27 sn Riverside Thousand Palms Comment
  POM198001  Ambrosia dumosa Joseph A. Ewan 1932-4-8 7029 Riverside Seven Palms near Garnet Comment
  RSA696738  Ambrosia dumosa J. Russell Bruff 1932-3-22 s.n. Riverside 1000 Palms. Comment
  UCR109581  Ambrosia dumosa R. D. Goeden, Don W. Ricker 1970-5-14 s.n. Riverside Coachella Valley, Palm Springs, SW side of Hwy 111, 1.3 mi. SE of Overture Drive, at foot of San Jacinto Mtns. near Desert Angel peak 274 Comment
  UCR17119  Ambrosia dumosa J. Texera 1970-3-27 11 Riverside Sonoran (Colorado) Desert, c. 3 miles south of town of Palm Desert on dirt road continuation of Portola Avenue, 0.75 mile north of boundary fence of Deep Canyon Desert Research Center 207 Comment
  UCSB34110  Ambrosia ilicifolia Collins, Elizabeth 1980-3-31 Riverside 10 miles SW of Hwy 10 at Corn Springs campground Comment
  CLARK-A1528-1541  Ambrosia psilostachya John C. Roos 1937-8-17 1218 Riverside Hemet Comment
  CAS-BOT-BC272856  Ambrosia salsola Chet McGaugh 2004-2-25 s.n. Riverside Colorado Desert: Coachella Valley, northern Palm Springs, near the Whitewater River channel, NW corner of Sunrise Way and San Rafael 171 Comment
  HSC83015  Ambrosia salsola N. M. Fellows 1985-3-3 77 Riverside Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of San Jacinto Mtns., l mi. W of Snow Creek Village. 489 Comment
  JEPS39438  Ambrosia salsola L. M. Newlon 1922-4-5 Riverside Palm Springs Comment
  SEINET2030196 Image available Ambrosia salsola Ynez Whilton Winblad 1937-3-21 s.n. Riverside Coachella Valley Comment
  UCD128873  Ambrosia salsola C. L. Hitchcock 1966-3-16 24217 Riverside 4 miles south of Palm Desert, along Palms to Pines Highway. Comment
  RSA446717  Ammannia coccinea C. M. Dammers 1933-11-20 s.n. Riverside Irrigation ditch, Riverside Comment
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Oct 31 2011
  SD148121  Ammannia coccinea D. E. Bramlet, A. C. Sanders et al. 1999-10-15 2818 Riverside 198 m S of Gilman Hot Springs Rd., 1.22 km NW of Hwy 79 and 2.1 Km S of Jackrabbit Trail. 433 Comment
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Mar 21 2011
  CAS-BOT-BC177261  Amorpha fruticosa H. M. Hall 1900-5-15 s.n. Riverside Reche [Canon] Canyon 457 Comment
  CAS-BOT-BC177262  Amorpha fruticosa H. M. Hall 1901-6-1 2121 Riverside Eastern base, along the borders of the Colorado Desert Comment
  RSA0103091  Amorpha fruticosa Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8549 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  UCR79992  Amorpha fruticosa Scott D. White 1992-9-2 765 Riverside San Jacinto Valley, Vicinity of Gilman Hot Spirngs, north side of San Jacinto River, and a thin strip tending north of the river & west of the Hot Springs. 451 Comment
  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
  UCR158315  Amsinckia intermedia A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30054 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
  UCR239788  Amsinckia intermedia O. F. Clarke 2004-3-12 s.n. Riverside Peninsular Range, Riverside; hills above UCR Botanical Garden 436 Comment
  RSA594767  Amsinckia menziesii var. menziesii D. L. Banks, Dylan Hannon 1996-5-3 988 Riverside Agua Tibia Mountains; Cleveland National Forest; Dripping Springs Campground, 30 m N of campsite #9 487 Comment
  SBBG120832  Amsinckia menziesii var. menziesii A. C. Sanders 2006-5-11 32260 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel S of intersection on Collier Ave and Riverside Dr, NE of Alberhill Crk, NW of Enterprise Way 389 Comment
  UCR136275  Amsinckia menziesii var. menziesii A. C. Sanders 2004-4-20 27560 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
  UCR30073  Amsinckia tessellata George K. Helmkamp 1983-4-5 483 17 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 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
  JOTR31083  Amsonia tomentosa La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2345 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west of Ryan Mountain; Monzo-granitic boulder outcrop south of Ryan Mountain campground (Stop 2) Comment
  UC667264  Amsonia tomentosa Annie M. Alexander and Louise Kellogg 1941-5-23 2225 Riverside 1/2 mi. n. Cottonwood Spring; Colorado Desert, Eaagle Mts. 914 Comment
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May 20 2012
  SD137914  Ancistrocarphus filagineus Darin L. Banks, Steve Boyd 1995-5-9 329 Riverside Northwest Palomar Mountains, north of Agua Tibia Wilderness Area; north slope of Agu Tibia Mountain, the Dorland Mountain area. 730 Comment
  UCR77590  Ancistrocarphus filagineus Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6135 Riverside Peninsular Range; Santa Ana Mountains, south side of Elsinore Peak 1067 Comment
  RSA500988A  Ancistrocarphus filagineus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3107 A Riverside Vail Lake area, dried bed of man-made pond and adjacent slopes at N base of rounded knob 1.25 miles WSW of dam. 610 Comment
  CDA5344  Anthriscus caucalis A. C. Sanders, Seung-Chul Kim 2005-5-7 30072 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
  UCR121190  Anthriscus caucalis D. E. Bramlet 1990-4-26 1975 Riverside Peninsular Range, E side of Rawson Canyon, c. 7000 ft. (1.3 mi.) south of Crown Valley and 8,500 ft. (1.6 mi.) NW of Black Mountain 579 Comment
  CLARK-A1528-838  Antirrhinum coulterianum C. M. Flanagan 1973-5-31 OO 649 Riverside Morongo Indian Reservation Comment
  JOTR32292  Antirrhinum coulterianum Harding, Mitzi, T. Herskovits 2011-5-12 14 Riverside Joshua Tree National Park. Little San Bernardino mountains; Southwest of Eureka Peak; Steep, gravelly slope above canyon 1398 Comment
  SBBG122774  Antirrhinum coulterianum A. Parikh 1990-4-27 159 Riverside W of Rawson Cyn, 1.7 km WSW of jct of Crown Valley Rd and Rawson Rd 696 Comment
  UC26361  Antirrhinum coulterianum Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  UCR1000  Antirrhinum coulterianum J. E. Dimitman 1957-5-18 s.n. Riverside Peninsular Range; San Jacinto Mtns., Bautista Canyon Wash 793 Comment
  UCR20793  Antirrhinum coulterianum A. C. Sanders, Steve Boyd 1980-5-2 1411 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR44459  Antirrhinum coulterianum A. C. Sanders, B. Pitzer 1986-4-30 6482 Riverside San Jacinto Mtns, upper Bee Canyon along the road, 1.3 mi. above the mouth of the canyon at the San Jacinto River Valley 732 Comment
  RSA78730  Antirrhinum filipes Philip A. Munz 1952-4-15 17345 Riverside Wash ca. 3 mi. west of Monument Peak, Joshua Tree National Monument 1128 Comment
  RSA675686  Antirrhinum nuttallianum Scott D. White 2001-6-20 8597 Riverside Sun City Area: Just east of Goetz Rd. and south of Ethanac Rd. , ca. 11/2-2 mi west of I-215 Freeway. 135 Comment
  UCR98688  Antirrhinum nuttallianum 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
  RSA180395  Antirrhinum nuttallianum subsp. nuttallianum E. W. Lathrop 1960-6-8 4930 Riverside 14 miles west of Murrieta Comment
  RSA191418  Antirrhinum nuttallianum subsp. nuttallianum E. W. Lathrop, Robert F. Thorne 1967-9-26 6609 Riverside Tenaja Guard Station, 10 miles NW of Murrieta. Comment
  RSA354917  Antirrhinum nuttallianum subsp. nuttallianum J. D. Olmsted 1962-5-10 3623 Riverside Coldwater Canyon, Corona city water supply. 396 Comment
  UC20819  Apiastrum angustifolium Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  RSA737117  Apium graveolens Justin M. Wood 2008-10-15 183 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UC855414  Arabis glaucovalvula P. A. Munz and I. M. Johnston 1922-5-7 5251 Riverside 2 mi w Keyes Ranch; Little San Bernaridno Mts. 1066 Comment
  CLARK-A1045-133  Arabis perennans George K. Helmkamp 1977-5-20 Riverside Deep Canyon mouth of Deep Canyon; Palm Desert 15'Q Comment
  RSA49195  Arabis perennans P. A. Munz 1949-4-13 13049 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
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Oct 9 2010
  SEINET3239987  Arceuthobium campylopodum R. L. Mathiasen 2009-1 2009 -67 Riverside 1 km S of south fork of the San Jacinto River bridge on St. Rte. 74. 1350 Comment
  CAS-BOT-BC516264  Arctostaphylos Scott D. White 1996-8-16 4482 Riverside San Jacinto Mts., Idyllwild area, SW of PIne Cove and W of Bear Trap Cyn, in watershed above Alvin Meadows (tributary to Toll Rd. Cyn.) 1859 Comment
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Oct 23 2018
  HSC25510  Arctostaphylos glandulosa Richard Spjut 1972-3-14 2276 Riverside San Jacinto Mtns., along Hwy. 1 and Hwy. 74 in San Bernadino Natl. Forest 1220 Comment
  RSA629392  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19516 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  SJSU11106  Arctostaphylos glandulosa subsp. glandulosa G. B. Youngberg 1956-3-31 240 Riverside by Banning-Idyllwild Rd, San Jacinto Mts 1767 Comment
  RSA0063794  Arctostaphylos glandulosa subsp. glandulosa W. Pequegnat 1940-5-25 s.n. Riverside Modjeska Springs, Santa Ana Mts. Comment
  RSA629438  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-16 16557 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  POM49870  Arctostaphylos glandulosa var. adamsii P. A. Munz, I. M. Johnston 1924-7-29 8859 Riverside Above Poppet Flat, San Jacinto Mts. 1220 Comment
  RSA631729  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19291 Riverside Highway 79, at Radec. 580 Comment
  RSA631747  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19288 Riverside Highway 79, at Radec. 580 Comment
  RSA631797  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19567 Riverside Highway 79, 4 km west of Aguanga. 660 Comment
  UCR167779  Arctostaphylos glauca Richard Minnich 2002-10-28 s.n. Riverside Southern Mojave Desert, Little San Bernardino Mtns; SE of VABM Inspiration; near the second peak (c. 0.4 mi) NW of Salton View (Keys View) Parking Lot 1677 Comment
  UCR63999  Arctostaphylos glauca Richard Minnich 1990-8-23 s.n. Riverside Lakeview Mtns., off Juniper Springs Road near Juniper Springs 640 Comment
  RSA633681  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21773 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 Comment
  RSA633730  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16622 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  UCR174956  Arctostaphylos pringlei Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 355 Riverside Peninsular Ranges; San Jacinto Mtns., Parking lot and stream below parking lot on Calif. Hwy 243 across road from Lake Fulmor 1616 Comment
  UCR187498  Arctostaphylos pringlei Theresa Johnson 2006-7-26 249 Riverside Peninsular Range; San Jacinto Mtns., Hwy 243 at Pine Cove 1890 Comment
  CAS-BOT-BC44369  Arctostaphylos pringlei subsp. drupacea Scott D. White 1996-8-1 4426 Riverside Idyllwild area: Hwy 243 at Deer Springs trailhead and adjacent area. 1828 Comment
  JEPS22254  Arctostaphylos pringlei subsp. drupacea Otto Solbrig 1958-3-21 2515 Riverside on road from Idyllwild to Banning; San Jacinto Mountains, Pine Cone Summit 1920 Comment
  RSA126698  Arctostaphylos pringlei subsp. drupacea P. H. Raven 1959-5-18 14243 Riverside Lake Fulmor, San Jacinto Mountains Comment
  RSA635636  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-17 16737 Riverside Morris Ranch Rd. (6S06), 4.2 km east of Hwy 74, Garner Valley, San Jacinto Mtns. 1650 Comment
  RSA635690  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-16 16597 Riverside Hwy 371 & Burnt Valley Rd. San Jacinto Mtns. 1250 Comment
  SD232672  Arctostaphylos pringlei subsp. drupacea Scott D. White 1996-8-1 4426 Riverside San Jacinto Mts.; Idyllwild area: Hwy 243 at Deer Springs trailhead and adjacent area. S facint mountainside. 1707 Comment
  UC535009  Arctostaphylos pringlei subsp. drupacea C. B. Wolf 1932-8-4 3922 Riverside one and one-half mi from Idyllwild (on road to Banning); San Jacinto Mts., Strawberry Valley 1706 Comment
  UCSB11790  Arctostaphylos pringlei subsp. drupacea Creighton, B. 1961-5-6 Riverside 18.8 miles south of Banning on Banning-Idyllwild Road, in the San Bernardino National Forest, San Jacinto Mountains 1584 Comment
  POM49843  Arctostaphylos pungens P. A. Munz, I. M. Johnston 1924-7-29 8878 Riverside Lone Oak Ranch, Banning-Idyllwild Road. 1037 Comment
  RSA635812  Arctostaphylos pungens Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20101 Riverside Highway 371, 1 km east of Anza. 1220 Comment
  RSA636017  Arctostaphylos rainbowensis Jon E. Keeley 1992-8-2 18806 Riverside East of Hwy 15, off Rainbow Cyn. Rd., 3 km north of San Diego Co. line. 400 Comment
  RSA636167  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19472 Riverside West of Temecula, off Carancho Rd., west of De Luz Rd., eastern Santa Margarita Mtns. 460 Comment
  SDSU18354  Arctostaphylos rainbowensis C. Matt Guilliams 2007-6-21 372 Riverside 15 kilometers east of Temecula near Tenaja Road. From Tenaja, south on Harkey Road, east on Avenida Presta, south on Calle Viento, a dirt road on slope above drainage. 640 Comment
  UCR132908  Arenaria macradenia 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
  POM9996  Argyrochosma jonesii Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  CAS-BOT-BC207128  Argythamnia lanceolata Carl B. Wolf 1932-4-27 3058 Riverside 5 mi. E of Desert Center, No. base of Chuckwalla Mts., Colorado Desert 152 Comment
  CAS-BOT-BC207133  Argythamnia lanceolata Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  UC165056  Aristida adscensionis S. B. Parish 1912-6-28 8122 Riverside mouth of canyon near Mecca; Colorado Desert, Red Canyon Comment
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Nov 24 2011
  UCD56411  Aristida adscensionis Rimo Bacigalupi; Paul Hutchison 1958-2-19 6188 Riverside western base of the Big Maria Mts., 9.4 miles north of Blythe. 167 Comment
  UCR180225  Aristida adscensionis Scott D. White, Pam Devries 2006-3-14 11251 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway/ McNaughton Parkway interchange, north of the I-10 Freeway 152 Comment
  RSA0043032  Aristida purpurea Duncan S. Bell, Evan Meyer 2014-4-3 6535 Riverside Chuckwalla Mountains; northeast section of range; Spring Tank, approximately 3.25 air miles southeast of Desert Center. 446 Comment
  GMDRC5493  Aristida purpurea var. longiseta J. Andre 2012-4-16 20957 Riverside Little San Bernardino Mountains: north side of Mt Ryan at Sheep Pass Campground area 1370 Comment
  RSA0094182  Aristida purpurea var. nealleyi Jim M. Andre 2012-4-11 20698 Riverside Little San Bernardino Mountains; Hidden Tank Picnic Area, 1.4 mi. SW of paved road (Utah Trail) to Cottonwood Spr, approx. 8 mi. south of North Entrance Sta., N. end of Hexie Mtns. 1076 Comment
  UCR112019  Aristida purpurea var. nealleyi A. C. Sanders, E. J. Lawlor 1992-4-4 12119 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  CAS-BOT-BC90192  Artemisia californica E. K. Balls; P. C. Everett 1957-11-4 22755 Riverside Snow Creek 609 Comment
  HSC25255  Artemisia californica Richard Spjut 1972-2-18 2209 Riverside ca. 4 miles south of Beaumont on Hwy.60 Comment
  RSA596672  Artemisia californica Darin L. Banks, Lauren Raz 1996-11-5 1146 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, S of San Gabriel Church; Along a newly established firebreak along a NW-SE running ridgeline, near the water tank. 402 Comment
  RSA417287  Artemisia douglasiana E. A. McGregor 1964-9-15 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  RSA784528  Artemisia dracunculus J. D. Olmsted 1959-8-19 827 Riverside San Jacinto River drainage area: Around tennis courts at Desert Sun School. Saunder's Meadows near Idyllwild. 1707 Comment
  CAS-BOT-BC93765  Artemisia ludoviciana subsp. albula Edmund C. Jaeger 1922-4-21 s.n. Riverside Palm Springs, Tacquitz Canyon [Canon] Comment
  JOTR32634  Artemisia ludoviciana subsp. albula La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2557 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Lower Covington Flat, southeast of trailhead heading toward Smith Water Canyon (Stop 2) 1398 Comment
  RSA23707  Artemisia tridentata R. S. Woglum 1937-10-20 1204 Riverside Santa Rosa Mountains Comment
  RSA588758  Artemisia tridentata subsp. tridentata Darin L. Banks, Steve Boyd 1995-10-26 0836 Riverside NW Palomar Mountains; Agua Tibia Mountains; Along the Woodchuck Road, N of Woodchuck Campground; Approximately 0.15 miles from Hwy. 79, along a small drainage that crosses the road. 518 Comment
  SD234280  Artemisia tridentata subsp. tridentata R. E. Jr. Riefner 2006-9-19 06 442 Riverside Temecula Valley, c. 0.1 mi, west of I-15 Freeway along Temecula Creek. 301 Comment
  HSC25817  Asclepias albicans R. W. Spjut 1972-3-20 2287 Riverside Colorado Desert, N face of the Chuckawalla Mtns., ca. 3-4 mi. S of Desert Center. 305 Comment
  SEINET955535  Asclepias californica H. S. Gentry 1954-1 14257 Riverside Dripping Springs, along Route 89. 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
  CHSC21411  Asclepias subulata Robert A. Schlising 1972-4-8 3015 Riverside Ramon Road, east of Thousand Palms, near junction with Thousand Palms Canyon Road. Comment
  RSA138026  Asclepias subulata E. K. Balls 1960-4-8 24083 Riverside Grown in Botanic Garden, Claremont, from see (#892) collected Aug. 17, 1930, by B.D. Stark, from Box Canyon, Riverside. 122 Comment
  RSA595538  Asclepias subulata Alan Prather, Alice Hempel 1993-5-16 1345 Riverside Along I-10, 20.1 km E of Coachella, at the rest stop for the westbound lanes. 400 Comment
  RSA69916  Asclepias subulata F. W. Peirson 1935-4-17 11476 Riverside 30 miles north of Blythe. Comment
  RSA795937  Asclepias subulata Duncan S. Bell 2009-4-18 259 Riverside Arica Mountains: southeast side of range, approximately 0.5 air mile southwest of Priests Well. 311 Comment
  SBBG58653  Asclepias subulata S. W. Hutchinson -Feb-1927 10 Riverside Box Cyn 121 Comment
  UCR264225  Asclepias subulata A. C. Sanders, Jim Malusa 2015-9-11 41874 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, Iris Pass, in gorge of pass c. 50-100 m above white tuff outcrops 669 Comment
  CAS-BOT-BC65784  Aspidotis californica F. M. Reed 1908-2-1 2236 Riverside Riverside Comment
  RSA653764  Aster hesperius Dr H. Baer 1923-9-24 s.n. Riverside Shore of Lake Elsinore Comment
  SEINET6811133  Asteraceae Unknown 1997-4-16 Riverside Monterey Avenue; Monterey Avenue Comment
  JOTR31220  Astragalus aridus La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 2004 Riverside Joshua Tree National Park. Eagle Mountains; (Stop 2) sand ramps, interspersed with basalt outcrops, sparsely vegetated 349 Comment
  SEINET937944 Image available Astragalus aridus H. F. Loomia 1930-1 203 Riverside Near Mecca Comment
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Mar 22 2014
  UC862496  Astragalus aridus I. W. Clokey, B. C. Templeton 1930-4-9 4710 Riverside n Palm Springs (Colorado Desert); , n of Palm Springs 170 Comment
  RSA719066  Astragalus aridus Michael Honer 2005-3-18 2101 Riverside Palen Valley; appx. 3 mi. due E of Desert Center Airport. 134 Comment
  CAS-BOT-BC177515  Astragalus bernardinus Peter H. Raven 1958-5-5 12896 Riverside To the west of Split Rock Tank, Joshua Tree National Monument Comment
  SEINET898792  Astragalus didymocarpus H. M. Hall 1905-1 5763 Riverside Palm Springs. Colorado Desert. 152 Comment
  RSA678418  Astragalus didymocarpus var. dispermus Michael Wall 2003-4-6 258 Riverside Vacant lot off Ramona Expressway at Donna Ave adjacent to Soboba Health Clinic. Property for sale and future housing development. 506 Comment
  CAS-BOT-BC178444  Astragalus douglasii var. parishii P. A. Munz 1922-6-29 5895 Riverside Santa Rosa, Santa Rosa Mts. 2011 Comment
  CAS-BOT-BC178453  Astragalus douglasii var. parishii H. M. Hall 1899-6-1 1158 Riverside Van de Venter's, San Jacinto Mountains 1371 Comment
  UC574637  Astragalus douglasii var. parishii S. B. and W. F. Parish 1880-1 1407 Riverside San Jacinto Mountain Comment
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Oct 17 2016
  UCR59757  Astragalus douglasii var. parishii Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 2998 Riverside Vail Lake Area, Temecula Creek Cyn below Vail Lake dam 457 Comment
  UCR174158  Astragalus gambelianus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32601 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  CAS-BOT-BC186904  Astragalus insularis var. harwoodii A. C. Sanders 2010-3-15 37423 Riverside Sonoran (Colorado) Desert: western edge of Blythe near the airport, Black Rock Rd. near the Mesa Dr. and I-10 intersection 120 Comment
  CAS-BOT-BC187485  Astragalus leucolobus Philip A. Munz 1937-5-30 15134 Riverside Santa Rosa Peak 2407 Comment
  UCR109453  Astragalus nuttallianus A. C. Sanders 1992-4-5 12165 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, Ford Dry Lake, north of Interstate Hwy 10 at Ford Dry Lake Road, near site of Hopkins Well 110 Comment
  RSA769653  Astragalus pachypus var. jaegeri Duncan S. Bell, Naomi Fraga 2010-4-22 854 Riverside San Bernardino National Forest: Rouse Ridge, 1.6 air miles south east of junction of Highway 74 and forest service road 5S15. 841 Comment
  UCR95257  Astragalus pachypus var. jaegeri D. L. Banks, Dylan Hannon 1996-5-3 0972 Riverside NW Palomar Mtns, Agua Tibia Mtns; Foothills south of Hwy 79; east of the Dripping Spring Campground; c. 150 m SE of the Helopad at the upper camp sites. 524 Comment
  SEINET10775826  Astragalus palmeri Betty Venrick 1961-3-17 Venrick 499 Riverside White Water Canyon, west of fish hatchery and 1/2 mile below. San Bernadino Mt. Range, Salton Sea drainage area. 762 Comment
  POM26493  Astragalus pomonensis Marcus E. Jones 1903-5-11 s.n Riverside Banning. 701 Comment
  RSA587543  Astragalus pomonensis D. L. Banks, S. D. Boyd 1995-6-2 0579 Riverside NW Palomar Mountains; Agua Tibia Mountains; NE of the Dorland Mountain area, N of the Agua Tibia Wilderness Area, E of Kolb Creek; Approximately 100 m E of the junction between the Woodchuck Road and Highway 79. 512 Comment
  RSA90739  Astragalus pomonensis F. W. Peirson 1920-6-22 7696 Riverside Dripping Springs, Temecula River 457 Comment
  RSA613330  Athysanus pusillus D. L. Banks 1997-3-6 1394 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Fiesta Grounds , east of Pechanga Creek along the northern fork of Pechange Creek at the eastern end of the Reservation. 424 Comment
  SBBG15833  Atrichoseris platyphylla D. Graney 1953-3-23 131 Riverside ca. 11 mi E of Indio Comment
  UC70077  Atrichoseris platyphylla E. E. Schellenger 1905-4-1 Riverside Santa Maria Mts Colorado Desert, Santa Maria Mts. Comment
  IRVC28862  Atriplex Mark A. Elvin 2005-5-24 4317 Riverside Perris; E of I-215; S of San Jacinto River; NW corner of jct Ellis Avenue and first road E of I-215. Southern Coastal 427 Comment
  POM187873  Atriplex argentea E. C. Jaeger 1932-8-31 s.n. Riverside Between Lakeview and San Jacinto Comment
  RSA748734  Atriplex argentea Karin Cleary-Rose 1998-9-7 s.n Riverside west edge of Hemet, east of Warren Rd., south of Esplanade and north of the Tres Cerritos Hills 460 Comment
  SEINET3930042  Atriplex argentea var. mohavensis Steve Boyd 1985-8-7 1117 Riverside Murrieta area, Clinton Kieth Rd., just east of the Bear Creek development golfcourse.; 0 Comment
  RSA543198  Atriplex canescens Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6098 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain 3 miles N Highway 79, 1 mile W of Highway 371, N of Aguanga. 600 Comment
  RSA696731  Atriplex canescens J. Russell Bruff 1929-1-1 407 Riverside Roadside foot of Jackrabbit Grade. Comment
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Mar 20 2011
  UCD97288  Atriplex canescens K. Esau 1935-6-15 s.n. Riverside Riverside County. 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
  RSA176474  Atriplex canescens var. laciniata C. B. Wolf 1932-10-13 4316 Riverside Caleb (Southern Pacific railway siding), 4.5 miles SE of Mecca, Colorado Desert 61 Comment
  SEINET3930650  Atriplex canescens var. laciniata Howard C. Stutz 1977-11-18 8193 Riverside Indio.; 0 Comment
  CAS-BOT-BC168530  Atriplex confertifolia D. Bramlet 1991-6-1 2182 Riverside 1.4 km. west of Nuevo and some 10 m. south of the end of 12th Street. The population is some 17 m. east of the San Jacinto River. 473 Comment
  UCR68039  Atriplex davidsonii D. E. Bramlet 1991-5-2 3012 Riverside San Jacinto Valley, 20m south of Setson Road at the intersection of Setson Road and California Avenue; c. 200m west of the MWD canal. Comment
  UCD169480  Atriplex glauca R. E. Riefner Jr. 2002-12-12 2- 521 Riverside Peninsular Range; Temescal Canyon Mouth: city of Corona, along Magnolia Ave. off-ramp on southwest side of Hwy I-15. 216 Comment
  SD38024  Atriplex hymenelytra Edith A. Purer 1931-3-1 Riverside Near Palm Springs. Comment
  SEINET4135127  Atriplex hymenelytra Howard C. Stutz 1988-1-14 94544 Riverside Salton Sea, Coombs Dr.; 0 Comment
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Jul 19 2015
  UCR279381  Atriplex hymenelytra A. C. Sanders, Jim Malusa 2017-3-24 42969 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in canyon draining south toward Iris Wash, c. 3.5 km ESE of Iris Pass 735 Comment
  SBBG33937  Atriplex linearis L. S. Rose 1966-12-11 66096 Riverside Palm Springs 152 Comment
  CAS-BOT-BC176531  Atriplex polycarpa John Thomas Howell 1928-11-4 4085 Riverside Wash in lower part of Hidden Spring [Canon] Canyon, 11 miles se. of Mecca, Chocolate Mts. Comment
  CAS-BOT-BC176532  Atriplex polycarpa K. Bonner 1977-10-30 2574 Riverside Ford Dry Lake Comment
  IRVC14693  Avena barbata Victoria Sork 1973-3-5 s.n. Riverside Elsinore, 1.5 mi N, .5 mi W of intersection of Hwys 74 & 71 [79]. Comment
  IRVC5339  Avena barbata Gidon Ladizinsky 1971-5-19 s.n. Riverside University of California, Riverside Comment
  RSA586139  Avena barbata D. L. Banks 1995-4-11 182 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the Dripping Springs Trail., 33 deg 26' 40''N-116 deg 58' 39''W. 829 Comment
  SEINET238943  Avenula pubescens Barbara Keller 2000-6-6 Riverside CULTIVATED; UC Botanical Gardens bed 658 behind memorial bench to the north of grass #93.0119. Accession number missing (Horticultu Comment
  IRVC522  Baccharis glutinosa R. H. Whittaker, W. A. Niering 1963-5-28 SJ 37 Riverside Mountain Center, Hemet Hwy. San Jacinto Mountains 976 Comment
  CAS-BOT-BC106735  Baccharis salicifolia T. Winfield 1975-4-17 2407 Riverside Santa Ana R. near Fairmont Park Comment
  POM318590  Baccharis salicifolia Patricia Wilder 1971-3-20 4881 Riverside Along Santa Ana River at end of Pedley Steet, Norco; south side of river 244 Comment
  CLARK-A1045-323  Baccharis sergiloides George K. Helmkamp 1977-3-20 Riverside Cabazon edge of dry wash south of Cabazon; ; Cabazon 7.5'Q Comment
  RSA5438  Baccharis sergiloides C. B. Wolf 1932-10-13 4310 Riverside Cottonwood Springs. Eagle Mountains 290 Comment
  RSA588674  Baccharis sergiloides Darin L. Banks, Steve Boyd 1995-10-26 0831 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Woodchuck Trail, at the large grassland area along the upper trail. Approximately 1.6 miles from the Wilderness boundary. 939 Comment
  UC1118933  Baccharis sergiloides H. S. Yates 1936-6-4 5413 Riverside Palm Springs San Jacinto Quad. 137 Comment
  RSA252707  Bacopa monnieri J. T. Gordon 1974-11-16 775 Riverside forming small mounds in damp soil along Colorado River at Agnes Wilson Rd. 104 Comment
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Jun 12 2020
  SBBG50933  Bahiopsis parishii N. R. Zabriskie, W. Zabriskie 1973-4-3 605 Riverside Poorwill Cyn, Andreas Cyn area, Palm Cyn drainage 426 Comment
  SBBG97707  Baileya pauciradiata W. L. Halvorson 1977-3-8 77 -69 Riverside Interstate 10, ca. 30 mi W of Blythe Comment
  SEINET2047556 Image available Baileya pleniradiata N. Cooper 1949-4-9 3326 Riverside Blythe area 81 Comment
  UC1931108  Barbarea orthoceras Scott D. White, Justin Wood 2008-6-18 12232 Riverside San Jacinto Mountains: K Flat Meadow. Comment
  POM248394  Bassia hyssopifolia Philip Crow 1939-7-4 s.n. Riverside Blythe. Comment
  PASA1580  Bebbia juncea Margaret Stason 1930-3-14 Riverside Painted Canon, Colorado Deset Comment
  RSA696873  Bebbia juncea J. Russell Bruff 1927-11-26 32 Riverside Cottonwood Springs vicinity. Comment
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Oct 9 2010
  UCR143340  Bebbia juncea I. M. Johnston 1917-6-5 1239 Riverside Hills south of Arlington, Riverside 366 Comment
  CAS-BOT-BC100135  Bebbia juncea var. aspera M. Bourell; R. Patterson 1987-4-14 3270 Riverside Spur N of Box Canyon Hwy 195, BLM Conservation Area 150 Comment
  JEPS19308  Bebbia juncea var. aspera W. L. Jepson Oct 22 1912-Nov 7 1912 5249 Riverside Blythe Intake, Palo Verde Valley, Colorado River 45 Comment
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Aug 29 2012
  LA203072  Bebbia juncea var. aspera Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9555 Riverside 1 mi. below Cottonwood Springs Comment
  CLARK-A1528-5633  Berberis nevinii John C. Roos 1948-2-21 3772 Riverside San Timoteo Canyon Comment
  POM157913  Bergia texana P. A. Munz 1927-5-20 10805 Riverside Murrieta Hot Springs. Comment
  RSA0092855  Bergia texana D. E. Bramlet 2005-7-13 3893 Riverside Perris-Aguanga Basin Region; San Jacinto Valley: San Jacinto Wildlife Area, east of old San Jacinto River channel, margin of flooded ponds. 433 Comment
  CAS-BOT-BC207051  Bernardia incana S. B. Parish; W. F. Parish 1882-3-1 752 Riverside Borders of the Colorado Desert, Whitewater. Comment
  RSA70433  Bernardia incana F. W. Peirson 1928-4-25 7917 Riverside Cottonwood Spring Region, Northern Colorado Desert. Comment
  UC667336  Bernardia incana Annie M. Alexander and Louise Kellogg 1941-5-23 2220 Riverside near mouth of canyon n. slope Eagle Mts. Colorado Desert, n. slope Eagle Mts. 1158 Comment
  SEINET12141255  Bernardia myricifolia S. B. Parish, Parish, W. F. 1882-1 752 Riverside Whitewater Comment
  CLARK-A1528-2552  Beta vulgaris John C. Roos 1937-5-23 2059 Riverside La Sierra Comment
  CLARK-A1528-1652  Bidens frondosa John C. Roos 1951-9-25 5265 Riverside Riverside 259 Comment
  RSA0123112  Boerhavia coccinea Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9019 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
  SD1480  Boerhavia coccinea Fidella G. Woodcock 1928-4-27 Riverside Camp Grounds, Idyllwild, San Jacinto Mountains Comment
  UC454082  Boerhavia coccinea I. J. Condit 1910-6-24 Riverside San Jacinto Canyon Comment
  UCR19108  Boerhavia coccinea John C. Roos 1948-5-15 3858 Riverside Sonoran (Colorado) Desert, S foot of the Eagle Mtns, mouth of Lost Palms Wash Comment
  CAS-BOT-BC540845  Boerhavia coulteri var. palmeri Sarah J. De Groot; Amy Rouillard 2015-9-15 7577 Riverside Along Eagle Mountain Rd N of I-10, at large wash crossing. W of Desert Center, western Chuckwalla Valley 313 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
  UCR244886  Boerhavia triquetra A. C. Sanders, T. B. Salvato 2012-10-12 40403 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass, 7.6 km (c. 4.5 mi.) above the road to Chuckwalla Spring on Graham Pass Rd. 387 Comment
  POM259506  Boerhavia wrightii E. C. Jaeger 1939-12-1 s.n. Riverside Orocopia Mountains 366 Comment
  RSA778511  Boerhavia wrightii Amber Swanson 2011-10-9 646 Riverside On both sides of Hwy I-10 btwn Desert Center and Hayfields exits. 234 Comment
  UCR114307  Bolboschoenus glaucus Julie A. Greene 1993-4-3 1106 Riverside San Jacinto Valley, San Jacinto Wildlife Area. Raised wet area west of dirt road. 445 Comment
  RSA179488  Bothriochloa barbinodis E. W. Lathrop 1979-4-17 4479 Riverside 14 miles west of Murrieta, Redonda Mesa. Comment
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Apr 27 2011
  UCR151361  Bothriochloa barbinodis D. L. Banks 1997-3-6 1408 Riverside NW Palomar Mountains, Agua Tibia Mountains, Pechanga Indian Reservation. 'Fiesta Ground' east of Pechanga Creek along the N fork of Pechanga Creek at the E end of the Reservation 482 Comment
  UCD56822  Bothriochloa ischaemum Oscar F. Clarke 1967-7-6 C 670706 1 Riverside Adventive in Alta Fescue Pasture at Spruce St.,Riverside. Comment
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Apr 8 2009
  LA102177  Bouteloua aristidoides var. aristidoides John C. Roos; 1946-10-26 3139 Riverside Chuckwalla Mountains Comment
  UCR90334  Bouteloua barbata Ed LaRue 1993-4-29 s.n. Riverside Sonoran (Colorado) Desert, Blythe landfill, along Blythe-Midland Road, 3 mi. south of the Big Maria Mtns, 6 mi. west of Colorado River 137 Comment
  RSA157925  Bowlesia incana P. A. Munz 1927-5-21 10846 Riverside Head of San Carlos Pass, Anza. 1372 Comment
  UCR266813  Bowlesia incana Mitch Provance, Matt Amalong 2015-3-25 315- 31 Riverside Paloma Valley, Murrieta, old Clydesdale horse ranch 0.4-0.6 miles S of Keller Rd., along unmarked dirt portion of Menifee Rd. 450 Comment
  JOTR16656  Brandegea bigelovii Vanderspek & Youse 1964-4-19 s.n. Riverside Joshua Tree National Park. WILSON CANYON Comment
  SBBG54857  Brandegea bigelovii D. Keil, M. McLeod, D. Walters 1977-3-27 12059 Riverside Box Cyn Rd, ca. 20 mi ENE of Mecca, Orocopia Mtns 274 Comment
  UCR245250  Brandegea bigelovii Jim Andre 2012-3-19 21299 Riverside Sonoran (Colorado) Desert, north end of Orocopia Mountains, 0.5 mi. south of junction of Box Canyon Rd and I-10 Fwy, 23 miles east of city of Coachella 470 Comment
  CAS-BOT-BC29978  Brassica fruticulosa A. C. Sanders 2008-3-2 34418 Riverside Peninsular Range. Box Springs Mountains. Two Trees Canyon along foot trail along north side of riparian thicket. 428 Comment
  RSA346617  Brassica tournefortii R. F. Thorne, Dick Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54032 Riverside San Bernardino Mountains: 1/4 mile W of Whitewater P. O. and 1/2 mile W of Whitewater River 415 Comment
  RSA770306  Brassica tournefortii Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4493 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell., Between N33.94217, W116.64118 and N33.94722 W116.64305 487 Comment
  SD182672  Brassica tournefortii Judy Gibson 2008-3-17 Riverside City of Palm Desert, weed in street landscaping, Sun City retirement community on Westridge Ave., about 100 yards south of Grape Arbor Ave 34 Comment
  UCR156356  Brassica tournefortii T. B. Salvato, Kent Beaman 2005-5-16 867 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
  JOTR30924  Brickellia atractyloides var. arguta La Doux, Tasha, Bill Truesdell 2008-4-29 2599 Riverside Joshua Tree National Park. Little San Bernardino mountains, north end of Quail Mountain; Open rocky slope above Johnny Lang Canyon, northwest of Lang Mine (Stop 9) 1356 Comment
  SBBG94645  Brickellia californica S. D. White 1990-10-2 Riverside Vail Lake area, Hwy 79, immediately W of Dripping Springs Guard Stn; T8S, R 1W, S22, W/2 487 Comment
  CLARK-A1528-1664  Brickellia desertorum John C. Roos 1949-9-17 4662 Riverside Whitewater Canyon 609 Comment
  CLARK-A1528-5507  Brickellia desertorum John C. Roos 1949-9-21 4665 Riverside Reche Canyon 457 Comment
  UC1010321  Brickellia desertorum John and Lucille Roos 1950-10-28 5020 Riverside 1 mi se of Moreno (n base of Mt. Russell); Mt. Russell 548 Comment
  UCR19255  Brickellia desertorum John C. Roos 1947-11-1 3752 Riverside Sonoran (Colorado) Desert, Eagle Mountains, mouth of Lost Palms Canyon, & up the canyon some distance Comment
  CAS-BOT-BC132191  Brodiaea filifolia John Thomas Howell 1930-5-10 4790 Riverside 2 miles south of Perris Comment
  CAS-BOT-BC132192  Brodiaea filifolia P. A. Munz; I. M. Johnston 1922-5-19 5412 Riverside 1 mi. east of Perris 441 Comment
  UCR191206  Brodiaea santarosae Tom Chester, W. P. Armstrong 2006-6-10 921 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve; Via Volcano Road immediately west of the northernmost of two vernal pools 634 Comment
  RSA180345  Brodiaea terrestris subsp. kernensis E. W. Lathrop 1960-6-8 4928 Riverside 14 miles west of Murrieta. Comment
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Apr 28 2011
  UCR280724  Brodiaea terrestris subsp. kernensis Mitch Provance, John Hazlett 2017-4-27 417- 24 Riverside Elsinore Trough, Baker St., 0.05-0.15 miles SE of Pierce St. 384 Comment
  RSA653140  Bromus arizonicus O. F. Clarke 1973-3-21 s.n. Riverside 1012 Spruce Street, Riverside Comment
  JOTR33739  Bromus berteroanus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2738 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  UC37582  Bromus carinatus var. carinatus H. M. Hall June, 1901 2226 Riverside in the vicinity of Strawberry Valley; San Jacinto Mountains 1615 Comment
  UC69343  Bromus catharticus H. M. Hall July 1899 1365 Riverside Riverside Comment
  JOTR36420  Bromus diandrus La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3366 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  RSA612806  Bromus diandrus D. L. Banks 1997-3-1 1363 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  RSA772963  Bromus diandrus Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4769 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA0042648  Bromus diandrus Margaret Murphy 1983-4-15 0004 -A Riverside Located in the north section of parcel 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  RSA561068  Bromus grandis Steve Boyd, Timothy S. Ross, D. E. Bramlet s.n. Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream, adjacent benches, and lower slopes from confluence with Tenaja Canyon. 366 Comment
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Jun 12 2012
  UCR96413  Bromus grandis Scott D. White 1996-8-1 4442 Riverside San Jacinto Mtns., Idyllwild area: north of Strawberry Valley, between Bear Trap Canyon and Lily Creek 1616 Comment
  CAS-BOT-BC155545  Bromus hallii H. M. Hall 1901-7-1 2538 Riverside San Jacinto Mountains. West Fork Snow Creek. 1524 Comment
  UC37683  Bromus hallii H. M. Hall July 1901 2538 Riverside San Jacinto Mountains, West Fork Snow Creek West Fork Snow Creek; San Jacinto Mountains, West Fork Snow Creek 1524 Comment
  RSA708244  Bromus hordeaceus Scott D. White, Angelia Carey 2004-4-16 10190 Riverside Indian Creek and adjacent slopes. 549 Comment
  RSA599114  Bromus hordeaceus V. W. Steinmann, D. L. Banks 1996-4-20 836 Riverside Agua Tibia Mountains, ca. 15 km east of Temecula, less than 1 km south of Route 79 at the Dorland Mountain Arts Colony, just southwest of the administration building., ca. 33?28'N, 117?01'W 500 Comment
  SD146100  Bromus madritensis subsp. rubens B. Pitzer, J. Ross 1998-3-8 3595 Riverside 395 Comment
  RSA799068  Bromus rubens Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6864 Riverside South side of Joshua Tree National Park, Cottonwood Spring 823 Comment
  SEINET221092 Image available Bromus rubens Leila M. Shultz, R. Thorne; J. Hogue R. Tilford. 1980-4-16 4012 Riverside Bridge over Whitewater River, base of Whitewater Canyon, San Bernardino Mtns. (Range possibly 3 or 4 E). 436 Comment
  UCR102929  Bromus rubens George K. Helmkamp 1998-2-5 2646 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, 1.1 mi. west of Calif. Hwy 111 on Tramway Rd. 335 Comment
  UCR154831  Bromus rubens A. C. Sanders, Mike Misenhelter 2005-3-23 29278 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR171953  Bromus rubens John F. Green 2006-4-18 s.n. Riverside NE of Murrieta, just south of Los Alamos Rd. ('Clinton Keith Rd.'), on E and W sides of Liberty Rd. border between City of Murrieta and unincorporated French Valley 415 Comment
  RSA595267  Bromus tectorum D. L. Banks, Dylan Hannon 1996-5-3 979 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along a mesic E facing slope, approximately 300 m SE of the Helipad at the upper camp sites 534 Comment
  UC816450  Bromus trinii C. L. Hitchcock 1940-4-2 5924 Riverside Joshua Tree National Monument, Cotttonwood Spring wash Joshua Tree National Monument; , Cotttonwood Spring wash Comment
  JEPS54870  Caesalpinia virgata Marjorie Clary 1931-4-4 16 Riverside Coachella Valley, Coachella, Coral Reef Ranch Comment
  RSA264427  Caesalpinia virgata C. W. Tilforth, Jeff Barnes 1976-7-21 1221 Riverside Painted Canyon, NE of Mecca. Comment
  UCR86192  Caesalpinia virgata A. C. Sanders 1995-5-23 17125 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fans below the Santa Rosa Mountains, near the mouth of Martinez Canyon, at end of 72nd Avenue 25 Comment
  UC68595  Calandrinia ambigua H. M. Hall Apr. 1905 5947 Riverside McCoy Wash Colorado Desert 91 Comment
  UCR37701  Calandrinia ambigua Robert McKernan 1985-3-26 s.n. Riverside Sonoran (Colorado) Desert, 6 mi north of Desert Center off Hwy 177 Comment
  POM8687  Calandrinia ciliata P. A. Munz, R. D. Harwood 1920-2-28 3268 Riverside 2 mi. southwest of Corona. 305 Comment
  RSA0120322  Calandrinia ciliata Duncan S. Bell 2016-3-13 8924 Riverside Whitewater Canyon; in the vicinity of Painted Hill, approximately 2.5 air miles southeast of the Ranger Station (trout pond). 613 Comment
  UCR116455  Calandrinia ciliata A. C. Sanders, T. B. Salvato 2001-3-30 23874 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. Pina Colada 366 Comment
  UCR171960  Calandrinia ciliata John F. Green 2006-4-18 s.n. Riverside NE of Murrieta, just south of Los Alamos Rd. ('Clinton Keith Rd.'), on E and W sides of Liberty Rd. border between City of Murrieta and unincorporated French Valley 415 Comment
  UCR174105  Calandrinia ciliata A. C. Sanders 2006-5-19 32422 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
  UCR226076  Calandrinia ciliata A. C. Sanders, T. B. Salvato 2011-4-1 38945 Riverside Peninsular Range, Lake Elsinore, SW of Baker St. along dirt branch road to microwave tower, near large water tank on hill 409 Comment
  UCR228252  Calandrinia ciliata A. C. Sanders, T. B. Salvato 2011-4-1 38930 Riverside Peninsular Range, Lake Elsinore, near intersection of Pierce St., Baker St., and Nichols Rd., flats at south side of Alberhill Mtn. 389 Comment
  UCR84588  Calandrinia ciliata Scott D. White, S. Ogg 1994-4-21 1970 Riverside San Bernardino Mountains, Millard Canyon, near stream crossing with US Forest Service Road 2S05, about 4 mi south of Bear Wallow Spring 915 Comment
  UCR269649  Callitriche D. E. Bramlet 2005-4-22 3827 A Riverside Perris-Aguanga Basin Region, 1.8 km SE of Winchester, south of Patton Ave. and Patterson Ave. intersection, east of Hwy 79 449 Comment
  RSA234070  Calochortus albus Robert F. Thorne, E. W. Lathrop 1967-5-19 37984 Riverside Santa Rosa Plateau: Rancho California, beyond turn-off to ranch headquarters 610 Comment
  RSA557726  Calochortus albus Steve Boyd, Orlando Mistretta 1992-4-23 7074 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Bluewater Canyon, upstream from confluence with San Mateo Canyon. 335 Comment
  RSA369046  Calochortus palmeri var. munzii N. C. Cooper 1949-6-29 4315 Riverside West of Pinon Flats, San Jacinto Mountains. 1524 Comment
  RSA773133  Calochortus plummerae Duncan S. Bell, J. D. England 2010-6-7 1269 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.4 air miles southeast of junction of Highway 74 and forest service road 5S15., Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 780 Comment
  RSA662566  Calochortus splendens P. Shirokawa 1998-5-15 31 Riverside Cleveland National Forest- Trabuco Ranger District, 0.3 miles from Ortega Highway (State Highway 74) on North Main Divide Road. 808 Comment
  RSA560840  Calycadenia tenella Steve Boyd 1992-5-4 7182 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  RSA176354  Calycoseris parryi R. F. Thorne 1963-3-29 32393 Riverside Colorado Desert, desert wash, 9 miles E of Mecca, Mecca Hills 152 Comment
  POM307226  Calycoseris wrightii Henry J. Ramsey, Henry J. Ramsey 1940-4-14 1995 Riverside 50 miles N of Blythe Comment
  CLARK-A1528-3815  Calyptridium monandrum John C. Roos 1952-4-23 5581 Riverside Box Springs Mountains Comment
  SD215627  Calyptridium monandrum Steve Boyd, Tim Ross, et al. 1990-4-2 4031 Riverside Vail Lake area, lower slopes of Agua Tibia Mountain along Highway 79. 487 Comment
  UCR103280  Calyptridium monandrum B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3588 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  RSA527865  Calyptridium parryi Scott D. White 1991-5-24 91 -75 Riverside San Jacinto Mtns region: Big Bear area E of Sugarloaf & W of Hwy 38, S of Hwy 18 & Baldwin Lake. 2073 Comment
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Aug 3 2017
  CAS-BOT-BC215767  Calystegia macrostegia subsp. arida Roxana S. Ferris; Ruth P. Rossbach 1938-5-20 9664 Riverside Foot of grade, State Highway #74 along San Jacinto River Comment
  POM122402  Calystegia macrostegia subsp. intermedia Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  RSA583740  Calystegia macrostegia subsp. tenuifolia Steve Boyd 1995-4-24 8491 Riverside Palomar Range, Agua Tibia Wilderness Area, northeastern base of Wildhorse Peak, west of Devil's Hole, along the Wildhorse Trail near the rounded gabbro peak known as ''Agua''. 762 Comment
  UC23142  Calystegia occidentalis subsp. fulcrata H. M. Hall 1901-6 Riverside vicinity Strawberry Valley (San Jacinto Mountains); , vicinity Strawberry Valley 1584 Comment
  UCR137361  Calystegia occidentalis subsp. fulcrata 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
  UCR201676  Calystegia occidentalis subsp. fulcrata Scott D. White, Justin M. Wood 2008-6-18 12244 Riverside San Jacinto Mountains, meadow northwest of Keen Camp Summit, southwest of Hwy 79 1463 Comment
  RSA147863  Camissonia bistorta J. B. Feudge 1927-6-5 1719 Riverside Winchester. 412 Comment
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Mar 20 2011
  RSA295606  Camissonia bistorta Lyman Benson 1946-4-15 12019 Riverside 2 miles east of Banning, Colorado Desert. 610 Comment
  RSA688850  Camissonia bistorta Scott D. White, Michael Honer 2003-5-13 9260 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon washWhitewater Canyon, ca. 2 miles north of Bonnie Bell. 579 Comment
  RSA72279  Camissonia bistorta Robert L. Dressler 1949-7-3 902 Riverside 7 miles south of Lake Elsinore. Sandy field. 427 Comment
  UCR138138  Camissonia bistorta D. L. Banks, V. W. Steinmann 1997-3-13 1454 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  UCR155048  Camissonia bistorta Jason L. Hlebakos 2005-5-30 823 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
  UCR174434  Camissonia bistorta A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32494 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  RSA554203  Camissonia boothii Theo Glenn 1991-4-9 91 -7 Riverside Big wash in Eagle Mountains 787 Comment
  RSA465964  Camissonia boothii subsp. condensata M. B. Dunkle 1933-3-4 3044 Riverside Painted Canyon 30 Comment
  UCR233150A  Camissonia californica Jim Andre, Glenn L. Clifton 2011-2-22 17462 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  POM3190  Camissonia campestris subsp. campestris H. M. Hall 1902-04 2917 Riverside Vicinity of Winchester 457 Comment
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Mar 20 2011
  UCD103332  Camissonia campestris subsp. campestris Robert C. Bechtel 1952-3-28 26 Riverside Perris. 443 Comment
  JOTR31901  Camissonia cardiophylla subsp. cardiophylla La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2149 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash 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
  POM14095  Camissonia claviformis subsp. aurantiaca P. A. Munz, D. Keck 1922-4-9 4775 Riverside Shavers Well, near Mecca. 76 Comment
  RSA135226  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-1-23 11417 Riverside Sandy wash along United States Highway 99 [Hwy 10], 7.8 miles west of Thousand Palms turnoff. Comment
  UCR98303  Camissonia confusa Scott D. White 1993-5-29 1459 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1372 Comment
  RSA68311  Camissonia hirtella G. R. Campbell 1951-5-30 16113 Riverside 9 miles west of Anza. 1067 Comment
  UCR12573  Camissonia hirtella Bill Schultz 1972-4-30 720430- 5 Riverside Santa Ana River bottom, 200 yards west of where power lines make turn where palm trees are west of dump 2 mi south of Mt. Rubidoux 305 Comment
  POM159845  Camissonia refracta E. C. Jaeger 1928-3-24 s.n. Riverside Eagle Mts. Colo. Desert. Comment
  RSA449049  Camissonia refracta Christopher Davidson, Josephine Jones 1980-4-4 9933 Riverside Orocopia Mts. West end of the mountains in a small canyon and wash almost due south of Oro Peak. 518 Comment
  UC1595702  Camissonia refracta W. Wisura, J. Dolan, and M. Wall 1992-3-24 4634 Riverside on Box Canyon Rd 13.1 mi ne Mecca; Lowdesert Comment
  UC1979872  Camissonia refracta Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 765 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Mecca Hills, Shaver's Well Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. Comment
  UCR133912  Camissonia refracta June Latting 1978-4-30 s.n. Riverside Sonoran (Colorado) Desert, Chiriaco Summit 518 Comment
  UCR167438  Camissonia refracta 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
  RSA500556  Camissonia strigulosa Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3604 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  RSA585788  Camissonia strigulosa D. L. Banks, Steve D. Boyd 1995-5-9 416 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. 738 Comment
  SDSU3404  Camissonia strigulosa H. Wedberg 1958-3-30 192 Riverside On Machado Road, 1.0 mile southwest of Hwy 71, near Elsinore. Roadside in olive grove. Comment
  UCR167078  Camissonia strigulosa Scott D. White 2005-3-29 10849 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
  UCR201464  Camissonia strigulosa Scott D. White, Justin M. Wood 2008-5-15 11974 Riverside San Jacinto Mountains, Garner Valley, northwest of Fobes Ranch Road and northeast of Hwy 74, valley bottom 1357 Comment
  SD133054  Camissoniopsis bistorta Scott White 1991-5-13 91 90 Riverside Highway 79, immediately west of U. S. Forest Service Campground at Dripping Springs. 548 Comment
  UC1537618  Camissoniopsis bistorta Gordon H. True Jr. 1935-2-20 1 Riverside Box Springs Sycamore Canyon (mouth of canyon) 365 Comment
  SD136805  Camissoniopsis hirtella Steve Boyd 1992-4-14 6788 Riverside San Mateo Canyon Wilderness Area; along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewagter Canyon, south of Sitton Peak. 792 Comment
  RSA614419  Capsella bursa-pastoris D. L. Banks 1997-3-16 1552 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
  UCD114526  Cardamine parviflora A. C. Sanders 1995-2-6 15915 Riverside UCR campus, in pots in the Botanic Garden Lath House. 367 Comment
  CHSC101010  Carex athrostachya Scott D. White; Justin M. Wood 2008-6-18 12222 Riverside San Jacinto Mountains: K Flat Meadow. 1439 Comment
  UCR26907  Carex athrostachya A. C. Sanders 1980-7-18 1682 Riverside San Jacinto Mtns, Thomas Mountain; along a small dry creek in Spillway Canyon about 2 mi SW of Hwy 74 along Thomas Mountain Road 1463 Comment
  CHSC89824  Carex barbarae L. P. Janeway 2004-5-8 8061 Riverside Peninsular Ranges. Santa Ana Mountains, San Mateo Canyon; between Tenaja Trail and the creek, 150 m south-southwest of the Tenaja Trail trailhead at Wildomar Road. Flattish bench above and away from the creek. 387 Comment
  RSA680527  Carex fracta Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8646 Riverside Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  RSA719520  Carex multicostata Naomi Fraga, et al. 2006-7-11 1715 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  UCR26920  Carex pellita A. C. Sanders 1980-7-22 1708 Riverside Peninsular Range; San Jacinto Mtns, [Forest Service] Rd. 4S02, c. 2.5 (airline) mi north of Pine Cove and c. 0.25 mi south of Dark Canyon campground 1768 Comment
  RSA682459  Carex senta Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8642 Riverside Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  SEINET8573523 Image available Carex subfusca P. Zika, Otting, N 2010-1 25237 Riverside Comment
  UCR59508  Castilleja affinis Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3557 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake Area, along Arroyo Seco drainage from junction with Kolb Creek, S to within 0.25 mi of Hwy 79 457 Comment
  JEPS8583  Castilleja affinis subsp. affinis Rimo Bacigalupi with J. F. MacBride, Ruth D. Sanderson, and C. Leroy Custer 1952-3-30 3550 Riverside 2.6 mi n Murrieta (along Calif Hwy 71, between Wildomar and Murrieta) 396 Comment
  RSA769776  Castilleja exserta Duncan S. Bell, Joy D. England 2010-5-17 1009 Riverside San Bernardino National Forest: Rouse Ridge, approximately 0.75 air mile southeast of junction of Highway 74 and forest service road 5S15. 759 Comment
  UCR113851  Castilleja exserta Mitch Provance 2000-5-5 2013 Riverside Riverside, Box Springs Mtns., canyon c. 0.5 mi. NE of peak 2553 and c. 0.5 mi. SW of the old landfill off Pigeon Pass Rd. 488 Comment
  UCR139416  Castilleja exserta P. A. Munz 1922-4-28 5031 Riverside Peninsular Range, Temescal Canyon 366 Comment
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Apr 3 2011
  RSA160582  Castilleja exserta subsp. exserta J. D. Olmsted 1959-4-17 395 Riverside 0.5 mile SW of Olive trees in mouth of Tin Mine Canyon along Skyline Drive; 5 mi. SW of Corona, Santa Ana Mountains 427 Comment
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Nov 19 2011
  RSA0010933  Castilleja exserta subsp. exserta Diane M. Ramirez 1983-5-1 1 Riverside Mellor Ranch Road, 4 mi S of junction with CA Hwy 243, S of Banning. Near Peach Tree Spring stream at Oak Flat. Comment
  CLARK-A1528-4178  Castilleja foliolosa John C. Roos 1952-2-29 5375 Riverside Reche Canyon Comment
  UC64213  Castilleja foliolosa H. M. Hall May 1899 Riverside desert side San Jacinto Mts. 1371 Comment
  UC885335  Castilleja miniata I. W. Clokey and E. G. Anderson 1935-8-21 6865 Riverside Fuller's Creek; San Jacinto Mts. 1500 Comment
  UCR95963  Castilleja minor subsp. spiralis Scott D. White 1996-8-1 4424 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  SDSU13333  Castilleja subinclusa Tom Duffy, Taria Sagar 2000-4-29 7 Riverside Two hundred meters NE of Santa Margarita Ecological Reserve North field station. 320 Comment
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Oct 25 2011
  RSA501044  Caulanthus heterophyllus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3165 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  UCR265822  Ceanothus crassifolius Mitch Provance 2012-5-24 512- 03 B Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  UCR177119  Ceanothus cuneatus Tracy Tennant, Jeffrey Ross 1998-3-10 MOR- 1105 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon 1037 Comment
  RSA6732  Ceanothus greggii var. perplexans B. D. Stark 1933-4-2 4533 Riverside Palm to Pines Road, Pinyon Flats. 1220 Comment
  RSA783161  Ceanothus greggii var. perplexans J. D. Olmsted 1962-5-3 3502 Riverside S of southern Quercus Keloggii population on Thomas Mt. 1616 Comment
  RSA399914  Ceanothus integerrimus E. S. Spalding 1925-6-13 s.n. Riverside Near Elsinore. Comment
  UCR140673  Ceanothus integerrimus Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 13- 87 Riverside San Jacinto Mtns, San Bernardino National Forest, 12 miles north of Idyllwild on Hwy 243 near Vista Grande, Site L13 1558 Comment
  HSC47408  Ceanothus leucodermis Richard Spjut, C. E. Edison 1978-5-5 5021 Riverside Between Idyllwild and Banning along Hwy. 243 in the San Jacinto Mtns. 1220 Comment
  LA44870  Ceanothus leucodermis W. Pequegnat; 1939-4-8 44 Riverside Santa Ana Mountains Comment
  RSA0019597  Ceanothus leucodermis Henry J. Ramsey, Henry J. Ramsey 1939-4-22 1037 Riverside Hemet-Anza, Bautista Creek Road. Comment
  RSA0022333  Ceanothus perplexans P. A. Munz, I. M. Johnston 1922-5-19 5448 Riverside Keen Camp, San Jacinto Mountains 1524 Comment
  RSA562101  Ceanothus tomentosus var. olivaceus Steve Boyd 1992-4-14 6805 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewater Canyon, S of Sitton Peak. 793 Comment
  CAS-BOT-BC77630  Celtis reticulata Carl B. Wolf 1932-5-25 3686 Riverside Gilman Ranch in the foothills No. of Banning 853 Comment
  CLARK-A1528-4569  Cenchrus pauciflorus John C. Roos, Lucille Roos 1952-7-15 5811 Riverside Hemet 487 Comment
  SD152949  Centaurea solstitialis Steve Boyd, Tim Ross and Dave Bramlet 1992-9-9 7690 Riverside Southern Santa Ana Mountains; upper San Mateo Canyon, from the junction of Tenaja Road and Los Alamos Road at the confluence of Los Alamos Creek. 395 Comment
  UCR35003  Centaurium venustum L. B. Ziegler 1967-8-4 206 Riverside Peninsular Ranges, San Jacinto Mtns., Upper Herkey Creek area 1555 Comment
  UCR89757  Centaurium venustum Scott D. White 1993-5-27 1427 Riverside North Alberhill Ranch, hills north of Walker Canyon 488 Comment
  SD134524  Centromadia pungens subsp. laevis Craig Reiser 1991-7-10 Riverside Moreno Valley, Sycamore Canyon Park W of Eucalyptus Street Comment
  SD154107  Centromadia pungens subsp. laevis B. L. Jones 2003-5-29 Riverside Lake Elsinore area, just north of intersection of Corydon Road and Grand Road Comment
  UCR246466  Centromadia pungens subsp. laevis R. E. Riefner Jr. 2010-6-5 10- 49 Riverside city of Riverside, Sycamore Canyon Park, west c. 0.5 mi from Cottonwood Ave and Sycamore Canyon Blvd 433 Comment
  UCR266912  Centromadia pungens subsp. laevis D. E. Bramlet 2005-5-24 3862 Riverside Perris-Aguanga Basin Region, Warm Springs Creek, west of I-15, between Golden Gate Circle and Nick Lane 323 Comment
  UCR277719  Centromadia pungens subsp. pungens Mitch Provance 2012-6-25 17632 Riverside Perris Valley, Edgemont neighborhood of Moreno Valley, SW corner of Bay Ave. and Old 215 Frontage Rd. 470 Comment
  UCR265602  Cerastium glomeratum Jordan Zylstra 2014-3-18 14003 Riverside San Jacinto Mountains, Apple Canyon, west of Apple Canyon Road 1453 Comment
  RSA198954  Cerastium glomeratum R. F. Thorne, O. Clark, S. Carlquist 1968-4-18 37428 Riverside Santa Rose Plateau: Mesa de Colorado, Rancho California. 671 Comment
  RSA562609  Cercocarpus betuloides Steve D. Boyd 1992-10-14 7717 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Northeastern corner of the wilderness, south of Elsinore Peak. 976 Comment
  RSA772862  Cercocarpus betuloides Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4816 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
  CAS-BOT-BC135451  Cercocarpus betuloides var. betuloides Lathrop; Thorne 1967-9-26 6608 Riverside Tenaja Guard Station, 10 mi. NW of Murrieta Comment
  CAS-BOT-BC135452  Cercocarpus betuloides var. betuloides H. E. McMinn 1925-7-2 1510 Riverside Tahquitz Trail to Tahquitz Pk. - San Jacinto Mts. Comment
  UCR121136  Cercocarpus betuloides var. betuloides June Latting 1973-9-1 s.n. Riverside San Jacinto Mountains, San Jacinto River canyon [near Strawberry Creek confluence] along Hwy-74 between Hemet and Mountain Center 1220 Comment
  PASA2186  Chaenactis artemisiifolia M. Stason 1931-5-24 Riverside Foot of Idyllwild Grade Comment
  POM6069  Chaenactis artemisiifolia Jenkins, L. T. Street 1917-5-30 s.n. Riverside San Jacinto. Comment
Read comments
Nov 20 2011
  UCR37475  Chaenactis artemisiifolia Steve Boyd 1981-4-8 s.n. Riverside Peninsular Range, Dawson Canyon, Gavilan Hills Comment
  POM9656  Chaenactis artemisiifolia I. M. Johnston 1920-5-8 s.n. Riverside Butte due west of Lakeview Comment
  CAS-BOT-BC276384  Chaenactis carphoclinia Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  SEINET10799442  Chaenactis carphoclinia David B. Dunn 1946-3-15 Dunn 2053 Riverside Collected on dry plateau in vicinity of Pushawalla Canyon, Indio Hills. Comment
  CDA7367  Chaenactis carphoclinia var. attenuata M. Weisbauer 1960-3-27 Riverside Shaver s Summit. 0 Comment
  HSC47599  Chaenactis carphoclinia var. carphoclinia Richard Spjut 1978-5-10 5034 Riverside Colorado Desert; N face of Chuckawalla Mtns. ca. 2.7 miles S of Desert Center 335 Comment
  POM126313  Chaenactis carphoclinia var. carphoclinia T. Craig 1927-4-2 10 Riverside Hidden Springs Canyon. Comment
  UC1546631  Chaenactis carphoclinia var. carphoclinia Barry A. Prigge 1988-2-21 7853 Riverside 2 mi w of Clemans Well; Colorado Desert, Orocopia Mountains 228 Comment
  JEPS30465  Chaenactis fremontii Donald M. Kyhos 1958-4-2 58 -81 Riverside Highway 99 at Cabazon Comment
  OBI51900  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
  RSA21748  Chaenactis fremontii C. B. Wolf 1937-4-5 8420 Riverside San Gorgonio Pass, 1 mi. W. of Whitewater 365 Comment
  RSA645615  Chaenactis glabriuscula Scott D. White, Steve Ogg 1994-4-21 1974 Riverside Millard Canyon, near stream crossing w/ USFS Road 2S05, +/-4 miles south of Bear Wallow Spring. 915 Comment
  UCR154452  Chaenactis glabriuscula A. C. Sanders, Mike Misenhelter 2005-6-15 30963 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
  UCR24931  Chaenactis glabriuscula A. C. Sanders 1980-7-18 01683 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley, near the junction of Thomas Mountain Road and Hwy 74, c. 1 mi SE of the head of Hemet Lake 1345 Comment
  RSA388507  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1986-5-1 1808 Riverside Perris-Aguanga Basin region SW Perris Basin, Hill west of Skunk Hollow. Comment
  RSA396471  Chaenactis glabriuscula var. glabriuscula Walter Wisura 1987-5-21 4152 Riverside 5.3 miles fr Hwy 243 along old Idyllwild rd. Comment
  RSA772574  Chaenactis glabriuscula var. glabriuscula Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5010 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 W116.66014 750 Comment
  RSA500139  Chaenactis glabriuscula var. lanosa Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3670 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  POM351800  Chaenactis parishii E. C. Jaeger 1922-6-29 s.n. Riverside Lower Tahquitz Valley 2043 Comment
  SEINET2049307 Image available Chaenactis parishii Kathy Harper 1988-6-11 Riverside San Jacinto Mountains, on Thomas Mountain Road, S of Thomas Mountain Lookout. Comment
  CAS-BOT-BC284343  Chaenactis stevioides Annie M. Alexander; Louise Kellogg 1941-5-11 2145 Riverside Cottonwood Spring, Eagle Mountains, Colorado Desert 883 Comment
  JOTR34148  Chaenactis xantiana La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler, D. Shade 2011-4-26 3164 Riverside Joshua Tree National Park. Pleasant Valley, south of Gold Coin mine complex; mud flats and sandy hummocks on valley floor (Stop 5) 959 Comment
  UCR19510  Chaetopappa aurea John C. Roos 1965-7-22 s.n. Riverside San Jacinto Mtns, near Mountain Center 1372 Comment
  RSA778518  Chamaesyce Amber Swanson, Linda Jean Foster 2011-10-8 639 Riverside Large wash off Blythe Rice Rd 270 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
  UCR248050  Chamaesyce abramsiana Duncan S. Bell, Aaron Sedgwick 2012-9-13 4196 Riverside Sonoran (Colorado) Desert, Hayfield Lake; eastern section of dry lake, c. 3.75 air mi southeast of Hayfield Pumping Plant 420 Comment
  RSA435980  Chamaesyce albomarginata N. C. Cooper 1944-5-20 1229 Riverside Pine Flats, Palms to Pines Highway. 1220 Comment
  UC56534  Chamaesyce albomarginata E. A. Zumbro Oct., 1902 300 Riverside Riverside Comment
  JOTR29192  Chamaesyce micromera La Doux, Tasha 2005-9-8 1305 Riverside Joshua Tree National Park. Fried Liver Wash 395 Comment
  POM295994  Chamaesyce polycarpa Lyman Benson 1945-3-29 11647 Riverside 2 miles south of Whitewater. 366 Comment
  RSA346267  Chamaesyce polycarpa var. hirtella R. F. Thorne, Dick Tilforth, L. M. Shultz, J. Hogge 1980-4-16 54037 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
  RSA549999  Chamaesyce serpens O. F. Clarke 1976-9-23 s.n. Riverside Common weed on UCR campus. Comment
  JEPS26603  Chamaesyce serpyllifolia Peter Kamb 1948-7-4 1169 Riverside San Jacinto Mtns, Hall Canyon 1645 Comment
  RSA599303  Chamaesyce setiloba L. C. Wheeler 1954-9-25 7096 Riverside South end of Mule Mountains, near Ripley. Comment
  IRVC3126  Cheilanthes covillei R. H. Whittaker, W. A. Niering 1963-5-31 SJ 116 Riverside Elks Road. Peninsular Ranges, Santa Rosa Mountains 1265 Comment
  POM301706  Cheilanthes newberryi J. C. Roos 1938-5-2 1412 Riverside hills near La Sierra, western Riverside Co. Comment
  RSA495802  Cheilanthes newberryi Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-11 2911 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 396 Comment
  RSA702731  Cheilanthes newberryi Scott D. White, Michael Honer 2004-4-6 10058 Riverside Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  UC197936  Cheilanthes parryi S. B. and W. F. Parish April, 1882 504 Riverside Agua Caliente; Mts bordering Colorado Desert Comment
  UCR147842  Cheilanthes parryi Steve Boyd, Et al. 2004-5-14 11278 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  POM9748  Cheilanthes parryi Philip A. Munz 1921-12-31 4700 Riverside Andreas Canyon, Colorado Desert. Comment
  RSA125851  Cheilanthes viscida E. K. Balls, Percy C. Everett 1957-11-13 22798 Riverside Snow Creek, about old Fish Hatchery 701 Comment
  RSA0014459  Chenopodium Justin M. Wood, J. Miner 2010-4-29 1532 Riverside Coachella Valley: Bermuda Dunes. Near intersection of Avenue 38 and Varner Rd. 37 Comment
  RSA737433  Chenopodium album Justin M. Wood 2008-8-31 123 Riverside Romoland, 1/4 mile S of Ethanac Rd. between San Jacinto Rd. and Palomar Rd. just south of railroad tracks. 442 Comment
  UCR110420  Chenopodium ambrosioides A. C. Sanders, Mitch Provance 1999-9-26 23129 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  UC7266  Chenopodium hians H. M. Hall 1901-6-24 2253 .1 Riverside Fuller's Mill San Jacinto Mountains 1767 Comment
Read comments
Sep 20 2011
  UCR115158  Chenopodium strictum var. glaucophyllum Mitch Provance 2000-10-14 2254 Riverside Jurupa Mtns., Crestmore area, along the south side of El Rivino Rd., c. 0.4 miles north of Crestmore Quarries. 287 Comment
  UCR199614  Chilopsis linearis Scott D. White, Angelia Carey 2004-7-2 10565 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  SEINET10457924  Chilopsis linearis David B. Dunn, A. Folsom 1948-6-17 Dunn 3820 Riverside At camp in Pushawalla canyon under palms. Below quad 6; near the mouth of the canyon. Comment
  SEINET9118971  Chilopsis linearis E. Adams 1978-1 Riverside Mecca, Box Canyon. Desert wash. Comment
  SBBG92381  Chloracantha spinosa G. K. Helmkamp 1989-9-16 s.n. Riverside ca. 0.5 mi S of Interstate 8, W of Blythe at Seeley Rd and St Hwy 78 75 Comment
  RSA587579  Chlorogalum parviflorum Darin L. Banks, Steve Boyd 1995-6-2 578 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail immediately S of the wilderness boundary gate, W of the Dripping Springs Alcove Area. 633 Comment
  UCR279238  Chorizanthe brevicornu A. C. Sanders, Jim Malusa 2017-3-23 42937 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 3 miles east of Iris Pass 854 Comment
  UCR48528  Chorizanthe coriacea Steve Boyd 1986-4-19 1697 Riverside Peninsular Range, Temescal Canyon, east side of Indian wash between I-15 and Temescal Canyon Road 351 Comment
  RSA554027  Chorizanthe corrugata A. C. Sanders, E. J. Lawlor 1992-4-4 12135 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  RSA674686  Chorizanthe corrugata Scott D. White 2001-4-27 8424 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway ca. 15 miles east of the Indio jtn. of I-10/ SR-111. Bajadas and washes adjacent to powerline access roads near unnamed freeway exit accessing pump station. 396 Comment
  UCR175062  Chorizanthe fimbriata Teresa Nieto 2005-5-26 33 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  CAS-BOT-BC191257  Chorizanthe fimbriata var. fimbriata Frank W. Peirson 1922-5-19 3024 Riverside 3 miles NE of Murietta Comment
  CAS-BOT-BC191345  Chorizanthe leptotheca James L. Reveal; C. Rose Broome 1987-6-27 6611 Riverside San Jacinto Mountains, along the road toward Lake Hemet Campground on the N shore of Lake Hemet, 0.2 mile E of the Lake Hemet Picninc Area and 0.8 mile W of CA Highway 74 1630 Comment
  UCR168812  Chorizanthe parryi Scott D. White, Michael Honer 2003-6-17 9544 Riverside S Perris Basin, Murrieta. Interstate 215 / Clinton Keith interchange 457 Comment
  RSA736037  Chorizanthe parryi var. parryi Scott D. White, Justin M. Wood 2008-4-16 11885 Riverside Perris/Elsinore Basin: Hills to the W of I-215 and S of Scott Rd. 488 Comment
  RSA785185  Chorizanthe parryi var. parryi D. E. Bramlet 1992-4-23 2238 Riverside Double Butte Park, in bowl area between the Double Buttes, c. 610 m north of the edge of the old landfill, and 107 m east of the existing (eastern) access road 500 Comment
  UCR189567  Chorizanthe polygonoides var. longispina Andrea Salzman 2006-4-13 066 Riverside Peninsular Range, Lake Skinner; c. 500 m west of Warren Rd by equestrian trial Comment
  UCR260515  Chorizanthe polygonoides var. longispina T. B. Salvato, Matt Malle, Tom Sullivan 2014-5-28 7997 Riverside Perris-Aguanga Basin, Menifee, west side of Byers Rd between Wickerd Rd and Adjer St. 0.75 mi northwest of the intersection of Bundy Canyon Road and Murrieta Rd, and 4.1 mi southeast of Canyon Lake Comment
  UCR48478  Chorizanthe polygonoides var. longispina Steve Boyd 1986-4-2 1587 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR217509  Chorizanthe procumbens var. albiflora Jeff B. Galvin 2008-5-21 47 Riverside Peninsular Ranges, Palomar Mountains, 2.3 km south of hwy 79 and 1.7 km west of Woodchuck Rd. 734 Comment
  CAS-BOT-BC246234  Chorizanthe rigida John H. Thomas 1957-3-30 6530 Riverside 0.8 miles east of Cactus City, about 13 miles east of Coachella, near U.S. Highways 60 and 70. Colorado Desert. 518 Comment
  JEPS57723  Chorizanthe rigida W. L. Jepson 1927-4-12 11665 Riverside Mecca Hills Painted Canyon, Mecca Hills 76 Comment
  UCR148038  Chorizanthe rigida Steve Boyd, Et al. 2004-5-14 11243 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  RSA559367  Chorizanthe staticoides Steve Boyd, Tim S. Ross, Dave Bramlet 1993-5-13 7377 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile 412 Comment
  POM265700  Chorizanthe uniaristata J. C. Roos 1937-4-23 1807 Riverside At Whitewater. Comment
  RSA0098335  Chorizanthe xanti var. leucotheca Marc A. Baker 2015-4-14 18317 Riverside San Gorgonio Pass, 4.2 km east of the San Gorgonio River, 28 km WNW of Palm Springs. 640 Comment
  SEINET10445998 Image available Chorizanthe xanti var. leucotheca Marc A. Baker, Danny Cuellar, Youssef Atallah, and Elizabeth Kempton 2015-4-13 18313 Riverside San Gorgonio Pass, 5.5km WNW of White Water, 20km NW of Palm Springs 456 Comment
  RSA170152  Chrysothamnus nauseosus subsp. consimilis L. B. Ziegler 1964-10-15 s.n. Riverside On Valley alluvial, Garner (Hemet) Valley, S part of San Jacinto Mts 1433 Comment
  POM352016  Chrysothamnus paniculatus George R. Johnstone 1929-3-29 s.n. Riverside Colorado Desert near Palm Spring. 244 Comment
  RSA0112103  Chrysothamnus paniculatus Duncan S. Bell 2009-10-9 486 Riverside Northwest of the Arica Mountains. 281 Comment
  JOTR37496  Chylismia brevipes subsp. brevipes Hodges, Stephen R., L. Ashfield 2016-1-20 625 Riverside Joshua Tree National Park. Eagle Mountains, Black Eagle Mine road, northern edge of mountains near eastern park boundary (Stop 1). Comment
  SDSU21592  Chylismia claviformis Duncan S. Bell 2010-5-1 889 Riverside Arica Mountains: northwest section of project area, ca. 10.5 air miles southwest of the ghost town of Rice, and ca. 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  RSA720651  Cichorium intybus John Green 2004-7-1 s.n. Riverside Santa Ana River Valley: just NW of Riverside Municipal Airport, drainage ca. 0.3 mi. south of Jurupa Road, just east of Van Buren Blvd. 229 Comment
  RSA797396  Cirsium acaulescens Keith E. Hoffmaster 1937-6-6 s.n. Riverside San Jacinto Mountains. Comment
  HSC84150  Cirsium occidentale var. californicum A. C. Sanders, B. Pitzer 1987-4-21 7048 Riverside Box Springs Mountains, near southernmost radio towers. 793 Comment
  SDSU13526  Cirsium occidentale var. californicum W. Miller with C. Mosse 1972-7-20 Riverside Comment
  UCR1624  Cirsium occidentale var. occidentale Leland R. Dykes 1962-5-8 105 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, San Mateo Canyon [Tenaja] Road, c. 14 mi west of Palomar Road [=Washington Ave.] in Murrieta [probably 2-3 miles west of Tenaja Guard Station] Comment
  UCR138763  Cirsium scariosum Scott D. White 1997-5-18 5164 Riverside San Jacinto Mtns., Vista Grande Area: just west of USFS Vista Grande Fire Station (i.e. Hwy 243, c. 10 road mi SE of Banning) 1509 Comment
  RSA682845  Cistanthe monandra Scott D. White 2003-3-23 8837 Riverside Desert slope; Hwy 74 near Carrizo Creek crossing. 610 Comment
  SEINET272323 Image available Citrus sinensis A. C. Sanders 1997-5-2 19774 Riverside Riverside: N of Spruce St. between the RR and the Gage Canal near foot of Box Springs Mtns. 305 Comment
  RSA407733  Clarkia purpurea subsp. quadrivulnera Steve Boyd 1986-5-1 1799 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow. Comment
  CAS-BOT-BC163865  Clarkia purpurea subsp. quadrivulnera Edmund C. Jaeger 1921-6-14 s.n. Riverside [MacMullen] McMullen Trail, San Jacinto Mts. 1280 Comment
  POM9608  Clarkia purpurea subsp. quadrivulnera I. M. Johnston 1920-5-8 s.n. Riverside Jurupa Mts, extreme west end. between Riverside and Ontario. Comment
  RSA220999  Clarkia rhomboidea E. W. Lathrop 1966-5-8 6407 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  UCR215130  Claytonia parviflora Sarah C. Pasquini 2008-4-18 13 Riverside Peninsular Range; San Jacinto Mtns., c. 6.5 miles south of city of Banning, 200 m down Mt. Edna Road off hwy 243 1160 Comment
  SD217352  Claytonia parviflora subsp. viridis Steve Boyd, Tim Ross, et al 1990-4-2 4036 Riverside Vail Lake area, lower slopes of Agua Tibia Mountain, along Highway 79, East of USFWS Dripping Springs Guard Station. 487 Comment
  UCR70285  Claytonia parviflora subsp. viridis Steve Boyd, T. S. Ross, L. Arnseth 1990-3-30 3943 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn, north of the lake, Saddle between summits, N slope along road heading N to Black Hills 793 Comment
  SD152773  Clematis lasiantha Steve Boyd, T. Ross, O. Mistretta 1992-3-31 6758 Riverside Santa Ana Mountains, San Mateo Cyn. Wilderness Area. Tenaja Trail from jtn w/ Morgan Tr. S to Pigeon Spring 671 Comment
  UCR234409  Cnicus benedictus Kai T. Palenscar 2010-4-3 s.n. Riverside City of Riverside; Santa Ana River, just north of Martha McLean-Anza Narrows Park 217 Comment
  POM13869B  Collinsia concolor Philip A. Munz 1922-4-29 5100 Riverside Dripping Springs, near Temecula Creek 518 Comment
  RSA0117422  Collinsia concolor Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mountains, along Hwy 243, 1-2 mi. below Mt. Edna turnoff. Comment
  UCR216362  Collinsia heterophylla Mike Bell 2008-4-27 013 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, Adobe Loop Trail 557 Comment
  UCR166148  Collomia grandiflora T. B. Salvato, John F. Green 2004-5-27 550 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  SEINET12211155  Colubrina californica W. Knight, Knight, I.; Waynon, K.; Vale, J. 1983-1 5515 Riverside Eagle Mountains, on Power Line Road 381 Comment
  UCR41565  Condalia globosa var. pubescens A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6042 Riverside Chuckwalla Bench, W side of Chuckwalla Mtns, 9 miles south of Hwy I-10 on the Gasline Road, 2 mi. airline south of the Model Mine 579 Comment
  SBBG87664  Condea emoryi S. Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2102 Riverside N end of Palen Mtns, 2 mi W of Palen Pass 300 Comment
  CLARK-A1528-138  Conium maculatum Fred B. Essig 1967-6-22 Riverside Santa Ana River Comment
  UCR48505  Conium maculatum Steve Boyd 1986-4-22 1727 Riverside Temescal Canyon, Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mountain and Gavilan Hills 427 Comment
  UCR99568  Convolvulus arvensis Julie A. Greene, S. D. White 1993-7-5 1395 Riverside San Jacinto Valley, San Jacinto Wildlife Area, W side of dirt road. 445 Comment
  RSA741598  Conyza floribunda Justin M. Wood 2008-9-22 161 Riverside SW Perris Basin; Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR178323  Cordylanthus rigidus T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 616 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  CAS-BOT-BC287191  Corethrogyne filaginifolia A. C. Sanders 2004-7-1 28382 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, large rocky hill (1762 ft) 1 mile E of Murrieta Rd and 1 mile N of Bundy Canyon Rd, ca 5 miles due S of Sun City 488 Comment
  LA205802  Corethrogyne filaginifolia Elizabeth McClintock; 1936-7-20 Riverside San Jacinto Mountains, Idyllwild Comment
  POM10303  Corethrogyne filaginifolia F. M. Reed 1907-10-20 1980 Riverside Columbia Ave, near Spanishtown Road Comment
Read comments
Nov 30 2009
  RSA829  Corethrogyne filaginifolia J. T. Howell 1927-8-2 560 Riverside Near Strawberry Valley, Mt. San Jacinto. 1677 Comment
  UCR41815  Cotula australis A. C. Sanders 1986-4-13 6469 Riverside Riverside, Riverside, residential garden, 422 Campus View Drive 335 Comment
  RSA653588  Cressa truxillensis A. C. Sanders, D. E. Bramlet, Mihai Costea, T. Salvato 1999-10-15 23182 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1 mile W of Jackrabbit Trail on Gilman Springs Rd., 0.4 mi. W of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Spr. [UTM 10km cell]. 436 Comment
  UCR110399  Cressa truxillensis A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23182 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1 mile west of Jackrabbit Trail on Gilman Springs Rd., 0.4 mi. west of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Spr. 436 Comment
  POM13905  Crossosoma bigelovii P. A. Munz 1922-3-12 4708 Riverside Andreas Canyon, Palm Springs. [Santa Rosa Mtns., W margin Colorado Des -SW] Comment
  POM294423  Crossosoma bigelovii Lyman Benson 1949-3-28 13563 Riverside Santa Rosa Mountains. Pines to Palms Highway from Palm Springs to Hemet. 732 Comment
  RSA0020372  Croton californicus Duncan S. Bell 2012-3-4 3131 Riverside Arica Mountains; along old railway line about 4.5 air miles south of the ghost town of Rice. 217 Comment
  RSA586856  Croton californicus D. L. Banks, S. D. Boyd 1995-5-3 0275 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  SD2813  Croton californicus Ruth B. Randall 1926-2-22 66 Riverside Whitewater Pass. Comment
  UC570802  Croton californicus Margaret Stason 1927-3-12 Riverside Thousand Palms Colorado Desert Comment
  UC708730  Croton californicus H. K. Wagnon 1944-4-2 380 Riverside along fence w cold storage plant; Palm Springs, Torney General Hospital Comment
  UCR199559  Croton setiger Scott D. White, Angelia Carey 2004-7-2 10573 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  SEINET238507 Image available Crypsis schoenoides A. C. Sanders, Mitch Provance 1999-9-26 23082 Riverside San Jacinto Mountains: McMullen Flat at Valley High County Park 0.7 mi. SE of Hwy 74 on Twin Pines Ranch Road. 1030 Comment
  JEPS22569  Cryptantha angustifolia Rimo Bacigalupi with Paul Hutchison 1958-2-19 6200 Riverside 9.4 mi n Blythe (at w base of the Big Maria Mts.); Big Maria Mts. 167 Comment
  POM368202  Cryptantha angustifolia George B. Grant 1906-5-10 s.n. Riverside Palm Springs. Comment
  RSA739085  Cryptantha angustifolia J. Russell Bruff 1932-3-22 s.n. Riverside 1000 Palm Comment
  SBBG128627  Cryptantha angustifolia D. Silverman, A. C. Sanders 2010-3-23 7818 Riverside Chuckwalla Valley, dunes at SSE tip of Palen Lake, 1.5 km SW of Palen Dunes Dr, 3.2 km N of I-10 and 8 km ESE of Sidewinder Well 130 Comment
  SBBG14709  Cryptantha angustifolia H. and M. Dearing -Mar-1926 Riverside near Salton Sea Comment
  SEINET3004967  Cryptantha angustifolia G. Rink 2011-3-24 10391 Riverside Sandy wash north of Blythe, east of the McCoy Mtns 109 Comment
  UCD119593  Cryptantha angustifolia S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas. 15 Comment
  UCR103330  Cryptantha angustifolia George K. Helmkamp 1998-2-5 2635 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, 1.1 mi. west of Calif. Hwy 111 on Tramway Rd. 335 Comment
  UCR116607  Cryptantha angustifolia A. C. Sanders 2001-4-8 23979 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic Ave., north of flood control ditch 348 Comment
  UCR279573  Cryptantha angustifolia A. C. Sanders, Jim Malusa 2017-3-28 43143 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
  CHSC8299  Cryptantha barbigera Edward L. Smith 1958-3-21 374 Riverside Located 6 mi. s. of Rice, near Priest's Well. Little Santa Maria Mtns. 365 Comment
  SBBG92731  Cryptantha barbigera D. Charlton 1988-2-18 1133 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
  RSA796033  Cryptantha barbigera var. barbigera Duncan S. Bell 2009-4-18 251 Riverside Arica Mountains: southeast side of range, approximately 1.7 air miles west of Priests Well. 463 Comment
  UCR228427  Cryptantha barbigera var. barbigera Dave Silverman 2010-3-30 7883 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
  LA204178  Cryptantha circumscissa var. circumscissa Carl Epling; March 1927 sn Riverside Whitewater Pass, near Palm Springs Comment
  UC169356  Cryptantha costata S. B. Parish 1913-2-28 8465 Riverside ne of Mecca; Salton Basin -60 Comment
  UCR233699  Cryptantha costata Duncan S. Bell 2010-5-1 909 Riverside Sonoran (Colorado) Desert, Arica Mountains, NW of the range, c. 7.2 air miles west of Rice, c. 6 air miles NW of Priests Well 312 Comment
  UCR280015  Cryptantha costata Onkar Singh 2012-2-25 2544 B Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, Palen Sand Dunes west of Palen Dry Lake 140 Comment
  GMDRC2328  Cryptantha decipiens J. Andre, T. La Doux 2006-4-11 8140 Riverside Little San Bernardino Mountains: Joshua Tree National Park: along paved road through Wilson Canyon at Fried Liver Wash. Elev. 2814 ft. 858 Comment
  SBBG53355  Cryptantha decipiens J. Zabriskie 1975-3-26 Riverside Boyd Deep Cyn Research Center Comment
  UCR279375  Cryptantha decipiens A. C. Sanders, Jim Malusa 2017-3-24 42953 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  RSA495466  Cryptantha intermedia Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2997 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  RSA527836  Cryptantha intermedia Scott D. White 1991-5-10 91 -122 Riverside Hwy 79, immediately W of U. S. Forest Service campground at Dripping Springs. 549 Comment
  RSA700066  Cryptantha intermedia Scott D. White, Michael Honer 2003-4-25 9107 Riverside 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
  RSA703371  Cryptantha intermedia LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1426 Riverside Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  RSA779066  Cryptantha intermedia C. P. Cowan 1978-4-25 1277 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
  SBBG28772  Cryptantha intermedia I. W. Clokey 1935-4-18 6861 Riverside Gavilan mesa 700 Comment
  SD181668  Cryptantha intermedia Scott D. White, Teresa Salvato 2001-6-8 8580 Riverside Santa Ana Mountains; southern margin of county, just northeast of Rainbow Valley. 334 Comment
  UC64406  Cryptantha intermedia H. M. Hall 1897-3-23 399 Riverside Winchester Comment
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Mar 20 2011
  UCD119843  Cryptantha intermedia C. L. Hitchcock 1966-3-16 24193 Riverside about 5 miles northeast of Aguanga. Comment
  UCR111995  Cryptantha intermedia A. C. Sanders, T. B. Salvato 2000-5-25 23431 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR225733  Cryptantha intermedia A. C. Sanders 2011-3-30 38918 Riverside Peninsular Range; SE edge Gavilan Hills, along north side of Hwy 74 at Riverside Street, just outside city limits of Lake Elsinore 479 Comment
  UCR275196  Cryptantha intermedia T. B. Salvato, Gregg Miller 2005-6-7 1448 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 Comment
  UCR92795  Cryptantha intermedia Scott D. White 1994-3-29 1939 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  HSC82900  Cryptantha maritima A. C. Sanders, Pitzer, Charlton, Kniffen 1986-3-3 6121 Riverside Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the S 489 Comment
  UCR18174  Cryptantha maritima A. C. Sanders 1978-4-2 00202 Riverside Coachella Valley, Hidden Valley, near the mouth of Deep Canyon 183 Comment
  UCR89712  Cryptantha maritima J. M. Stewart 1993-3-10 684 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; Corn Springs Rd, 2 mi south of Chuckwalla Rd. Comment
  RSA171377  Cryptantha micrantha var. lepida J. D. Olmsted 1962-5-3 3503 Riverside On Thomas Mt. 1616 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
  SBBG120595  Cryptantha microstachys A. C. Sanders 2006-5-19 32441 Riverside hills between Murrieta and Menifee Valley, W of I-215, S of Bundy Cyn/Scott Rd and N of Clinton Keith Rd 518 Comment
  UC917884  Cryptantha muricata Frank W. Gould 1943-4-18 2133 Riverside 4 mi e Elsinore Comment
  VVC2460  Cryptantha pterocarya var. pterocarya Tim Thomas 2013-3-18 5942 Riverside Sonoran Desert, 10 miles WSW of Blythe NE of Mule Mtns. 116 Comment
  HSC83122  Cryptantha racemosa A. C. Sanders, D. Charlton, B. Pitzer 1986-3-3 6129 Riverside N foot of the Chuckwalla Mtns., 2.75 mi. SE of Desert Center 367 Comment
  JOTR32918  Cryptantha racemosa Andre, Jim, Tasha La Doux 2009-2-28 10840 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; along Berdoo Canyon Rd, approx. 2.5mi north of JTNP boundary, approx. 5mi north of Dillon Rd. 744 Comment
  POM258906  Cryptantha racemosa E. C. Jaeger 1939-12-3 s.n. Riverside Canyon of Orocopia Mountains, south of Hayfield reservoir. 427 Comment
  SBBG63953  Cryptantha racemosa M. N. Ackley 1928-4-3 36 Riverside Devils Cyn, Coral Reef Ranch 152 Comment
  RSA314617  Cryptantha utahensis R. F. Thorne, Drs Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55468 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  UC79447  Cryptantha utahensis C. R. Orcutt Apr 1889 Riverside Colorado Desert Comment
  POM11166B  Cryptogramma acrostichoides Anstruther Davidson 1896-7-11 s.n. Riverside Top of San Jacinto Peak Comment
  CDA30995  Cucurbita palmata R. E. Riefner Jr. 2006-8-2 06 -349 Riverside Lakeview Mountains, vicinity of Alicante Drive at Jamawag Road, north of Leon Road. Comment
  SBBG122657  Cucurbita palmata R. E. Riefner 2006-8-2 06 -349 Riverside vicinity of Alicante Dr at Jamawag Rd, N of Leon Rd; Lakeview Mtns 550 Comment
  UC75797  Cucurbita palmata Miss M. A. King 1893-1 Riverside Menifee Comment
  RSA71003  Cuscuta ceanothi F. W. Peirson 1924-7-29 5036 Riverside Banning to Idyllwild Rd. 1555 Comment
  UCR84979  Cycloloma atriplicifolium A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16225 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  UCR178536  Cylindropuntia echinocarpa R. G. Swinney 1967-5-26 136 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 381 Comment
  JOTR32481  Cymopterus panamintensis var. acutifolius Herskovits, Tasya 2011-5-25 17 Riverside Joshua Tree National Park. Cottonwood Mountains; Steep bedrock on south facing slope of large, sandy, open wash flowing southeast to Cottonwood Canyon; Near convergence of both drainage systems and Pinto Basin road (Stop 3) Comment
  SEINET3004990  Cynanchum utahense G. Rink, M. Baker 2011-4-3 10418 Riverside Northwest of Blythe, east of the McCoy Mtns, small gullies in desert pavement 170 Comment
  UCR111755  Cyperus eragrostis 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
  RSA564024  Cyperus involucratus M. A. Patten, S. J. Myers 1993-8-20 s.n. Riverside Tahquitz Creek and behind the debris basin dam in Palm Springs. 183 Comment
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Nov 19 2010
  RSA605230  Cyperus niger var. capitatus A. C. Sanders, O. F. Clarke, CNPS field trip 1991-10-5 11745 Riverside Santa Ana River bottom, Rancho Jurupa Park, Pleasant Acres Lake. Comment
  CAS-BOT-BC113929  Cyperus odoratus Samuel B. Parish 1891-11-3 2247 Riverside Shores of Elsinore Lake Comment
  UCR126424  Cyperus rotundus T. B. Salvato, A. C. Sanders 2000-4-27 64 Riverside Coachella Valley, between Filmore & Buchanan on Avenue 56 -12 Comment
  UCR108364  Cystopteris fragilis L. C. Wheeler 1961-6-20 7887 Riverside Peninsular Ranges; San Jacinto Mtns., W fork of Tahquitz Creek 2378 Comment
  POM9800  Cystopteris fragilis E. C. Jaeger 1921-6-15 274 Riverside San Jacinto Mountains: below Round Valley. Comment
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Nov 19 2011
  JEPS20762  Dalea mollis Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13243 Riverside 11.3 mi. n. Blythe (Hwy U.S. 95); wash arising in Big Maria Mts. Comment
  POM13346  Dalea mollis E. C. Jaeger s.n Riverside Martinez Canyon wash Comment
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Aug 29 2016
  POM172739  Dalea mollis M. French Gilman 1930-4-6 2 Riverside Road to shavers well, east of Mecca. Comment
  UC218191  Dalea mollis P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4870 Riverside vicinity of Corn Springs; Colorado Desert, Chuckwalla Mts. 457 Comment
  UCR167392  Dalea mollis John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  UCR228169  Dalea mollis Dave Silverman, Mark Bibbo 2010-3-30 7891 Riverside Sonoran (Colorado) Desert, lower east flank of southern McCoy Mountains, 2.0 km W of Black Creek Rd, 6.5 km E of McCoy Pk, and 4.9 km north of I-10 183 Comment
  RSA0113520  Dalea mollis Henry J. Ramsey, Henry J. Ramsey 1940-4-14 1992 Riverside North of Blythe, Colorado Desert. Comment
  CHSC99048  Dalea mollissima LeRoy Gross 2005-3-3 1558 Riverside Colorado Desert; Northeastern Colorado Desert region: Palen Mountains, south side. Near end of old prospect road. 68 Comment
  UCR260251  Dalea mollissima A. C. Sanders, Jim Malusa 2015-3-11 41391 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
  LA11688  Dasyochloa pulchella H. S. Yates; 1937-3-24 6454 Riverside Deep Canyon 457 Comment
  POM182346  Dasyochloa pulchella Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring, Chuckwalla Mountains, Colorado Desert. Comment
  UCSB38676  Dasyochloa pulchella Cowan, Clark 1978-4-23 Riverside Slope above San Jainto Tramway Parking Lot, Chino Canyon; Whittaker Transect #W-217 Comment
  UC69226  Datisca glomerata F. M. Reed 1905-7-4 816 Riverside Coldwater Canyon, vicinity of Riverside Coldwater Canyon Comment
  UCSB55270  Datisca glomerata Thorne, Robert; Boyd, Steve; Lathrop, Earl 1985-7-18 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon 353 Comment
  UC2030092  Deinandra mohavensis Scott D. White 2000-8-22 8123 Riverside SOUTH OF HEMET: Gibbel Flat in the Santa Rosa Hills. Comment
  CAS-BOT-BC257279  Deinandra paniculata Mark A. Elvin 2005-5-24 4321 Riverside Peninsular Range; Perris-Aguanga Basin Region: SW foot of round hill west of Hemet and south of Hwy 74, west of California Ave. 470 Comment
  RSA398704  Delphinium parishii subsp. parishii R. S. Woglum 1934-3-18 632 Riverside Snow Creek, Coachella Valley Comment
  CAS-BOT-BC7860  Delphinium parishii subsp. subglobosum K. Watkins; E. McClintock 1937-4-10 s.n. Riverside Palms to Pines Highway, 2 mi. above valley Comment
  UC1979564  Delphinium parryi subsp. parryi Darin L. Banks, Steve Boyd 1995-5-9 396 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. Comment
  UCR138886  Delphinium parryi subsp. parryi D. L. Banks 1997-4-5 1697 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
  UCR16746  Delphinium parryi subsp. parryi Rodney Hendrick 1965-5-2 s.n. Riverside Peninsular Range, Temecula Creek and Hwy. 71 610 Comment
  LA210351  Delphinium patens subsp. hepaticoideum W. B. Welch; Riverside SAN JACINTO MOUNTAINS Comment
  CAS-BOT-BC198168  Deschampsia danthonioides W. A. Silveus 1938-4-16 2644 Riverside Marsh flying field near Elsinore Comment
  SD232142  Deschampsia danthonioides Scott D. White, Justin M. Wood 2009-5-21 12855 Riverside San Jacinto mountains, Garner Valley, near abandoned duck ponds, South of Quinn Flat. Comment
  HSC6715  Descurainia pinnata C. L. Hitchcock, C. V. Muhlick 1964-3-22 23247 Riverside Side canyon near S entrance to Joshua Tree National Monument Comment
  RSA161341  Descurainia pinnata subsp. glabra P. H. Raven 1958-3-16 1185 Riverside outwash plain below Cottonwood Springs, Joshua Tree National Monument. Comment
  CAS-BOT-BC402297  Dicentra chrysantha Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild Comment
  SD133245  Dichelostemma capitatum subsp. capitatum Scott White 1991-5-13 91 106 Riverside Highway 79, immediately west of U.S. Forest Service Campground at Dripping Springs; Vail USGS quad. 548 Comment
  CAS-BOT-BC292195  Dicoria canescens Marcus E. Jones 1924-12-10 s.n. Riverside Banning Comment
  UCSB37803  Dicoria canescens Roos, John 1957-12-26 Riverside 6 miles N.W. of Thousand Palms, Coachella Valley 152 Comment
  CDA4510  Dimorphotheca sinuata A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30067 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
  UCR277403  Dimorphotheca sinuata Anonymous 1942-4-26 s.n. Riverside Palm Springs 183 Comment
  SD243250  Diplachne fusca var. uninervia Mike Lahti 2008-12-12 Riverside Hemet. Bautista Creek Ranches, 45200 Bautista Road, near Fairview Avenue. Comment
  CAS-BOT-BC152919  Diplacus brevipes Mrs. E. C. Van Dyke 1928-7-1 s.n. Riverside Along road from Idyllwild to desert Comment
  UCD64449  Distichlis spicata H. S. Yates 1937-6-27 6704 Riverside Near Relief, Gilman Hot Springs. 457 Comment
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Dec 17 2011
  UCR2335  Distichlis spicata F. M. Reed 1903-11-23 424 Riverside Riverside, water company pasture on Magnolia Avenue below Arlington Ave. 255 Comment
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Oct 6 2017
  RSA776354  Ditaxis claryana Duncan S. Bell, Amanda Turek 2010-4-10 800 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  JOTR37430  Ditaxis lanceolata Hodges, Stephen R., T. Hender 2015-12-29 552 Riverside Joshua Tree National Park. Eagle Mountains, Mouth of Dragon Wash (Stop 1) Comment
  RSA421607  Ditaxis lanceolata Christopher Davidson 1979-4-4 7736 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  RSA681993  Ditaxis lanceolata Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10488 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
  RSA793458  Ditaxis lanceolata Duncan S. Bell, John Anderson, Keir Morse 2012-11-11 4376 Riverside Mecca Hills: upper branch of Hidden Spring Canyon, approximately 0.6 air mile southeast of Hidden Spring and 0.6 air mile south of The Grotto. 250 Comment
  UCR72236  Ditaxis lanceolata Theo Glenn 1991-5-27 91- 122 Riverside Sonoran (Colorado) Desert, Palen Mountains, NE of Desert Center 360 Comment
  POM13618  Ditaxis serrata var. serrata E. C. Jaeger 1921-3-15 44 Riverside Between Corn Springs and Gruendyke's Well [Desert Center]. Lower Sonoran Zone. Comment
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Apr 5 2011
  CAS-BOT-BC43650  Dithyrea californica J. Von Loh 1978-1-23 3317 Riverside Palo Verde Mesa, 12 miles west of Blythe. 121 Comment
  RSA530741  Dithyrea californica N. C. Cooper 1949-3-15 3031 Riverside Palm Springs 122 Comment
  SBBG24505  Dithyrea californica A. I. Richardson 1966-3-23 Riverside S of Desert Highland Hot Springs rd to village of Thousand Palms Comment
  UCD114732  Dithyrea californica Evert I. Schlinger 1952-3-28 31 Riverside Whitewater. 152 Comment
  UCR60655  Downingia bella R. F. Thorne 1974-5-23 44682 Riverside Santa Ana Mtns., Santa Rosa Plateau, E of Redonda Mesa, Rancho California 610 Comment
  RSA776087  Draba cuneifolia Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 819 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 396 Comment
  IRVC144  Dryopteris arguta Ken Ellis 1965-4-24 HS 529 Riverside Ortega Highway; Upper San Juan Creek Camp. Santa Ana Mountains Comment
  UCR273804  Dudleya Mitch Provance, Tom Thompson 2016-7-14 716- 26 Riverside San Jacinto Mountains, Dark Canyon, N Fork San Jacinto River, S side of Hwy. 243, below the Lawler Lodge 1618 Comment
  UCR273596  Dudleya cymosa subsp. pumila Tim Searl 2016-5-27 s.n. Riverside Badlands, 1.2 miles southeast of Redlands Blvd./San Timoteo Canyon intersection 646 Comment
  RSA463691  Dudleya edulis Steve Myers 1987-6-24 s.n. Riverside Murrietta Creek, at confluence with Temecula Creek, near the town of Murrieta. 290 Comment
  UCR128297  Dudleya lanceolata Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8634 B Riverside San Jacinto Mtns, Idyllwild area; 'Strawberry Fuelbreak' between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek 1646 Comment
  UCR174380  Dudleya lanceolata A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32628 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., vicinity of peak 2279 695 Comment
  UCR217647  Dudleya multicaulis Karyn L. Drennen, John Dvorak, Rose Cook 2010-4-29 06 Riverside Perris-Aguanga Basin, South of the west end of Lake Matthews, 2.13 km south of Cajalco/ La Sierra Ave intersection, 7 m north of dirt road, just west of where road crosses a convergence of drainages. 405 Comment
  SDSU13053  Dudleya pulverulenta James C. Dice with J. Dewald 1987-9-28 728 Riverside North side of Temecula Gorge, ca. 4.1 km ENE of Galivan Mountain. T82, R2W, northeast 1/4 of northeast 1/4 of section 27. 347 Comment
  UC101033  Dudleya saxosa H. M. Hall 1901-7-1 2095 Riverside s side San Jacinto Mtns 1584 Comment
  RSA6650  Dudleya saxosa subsp. aloides C. B. Wolf 1932-5-25 1504 Riverside Small Canyon on Gilman Ranch in foothills north of Banning 854 Comment
  SD119401  Dudleya saxosa subsp. aloides Reid Moran 1960-8-10 8366 Riverside San Jacinto Mountains; near Alvin Meadow. 1525 Comment
  RSA0125227  Echinocereus engelmannii var. engelmannii B. A. Prigge 1980-8-5 3860 Riverside Whitewater Canyon, 0.5 miles N of trout farm. 701 Comment
  CAS-BOT-BC32714  Echinocereus engelmannii var. munzii P. A. Munz; I. M. Johnston 1922-5-21 5570 Riverside Field redacted by CAS, contact the data manager for more information 1417 Comment
  UCR230603  Echinochloa colona A. C. Sanders 2011-9-15 39893 Riverside Sonoran (Colorado) Desert, Coachella Valley, agricultural area in Thermal; Colorama greenhouses/nursery at 83300 Ave. 58, 0.35 mi. east of Jackson St. near Calhoun St. -24 Comment
  UCR2341  Echinochloa crus-galli F. M. Reed 1936-7-27 s.n. Riverside South Coast; San Bernardino Valley, Riverside, edge of Fairmont Park [Evans] Lake opposite American Legion Club House 241 Comment
  CAS-BOT-BC445612  Echinodorus berteroi Samuel B. Parish 1891-11-3 2246 Riverside Elsinore Lake Comment
  RSA11655  Elatine brachysperma P. A. Munz, I. M. Johnston 1922-5-21 5546 Riverside San Jacinto [Mystic] Lake near Moreno. Comment
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Mar 20 2011
  RSA234016  Elatine californica R. F. Thorne, E. W. Lathrop 1969-5-19 37967 Riverside Santa Rosa Plateau: Rancho California, Mesa de Colorado. 625 Comment
  JOTR00974  Eleocharis macrostachya Cole, James E. 1941-5-27 811 Riverside Joshua Tree National Park. BARKER DAM Comment
  RSA92130  Eleocharis palustris F. W. Peirson 1922-4-29 1619 Riverside Temecula River, southwestern Riverside County 427 Comment
  UCR19371  Elymus condensatus John C. Roos 1965-6-19 s.n. Riverside Peninsular Range; Santa Ana Mtns, Sky Line Drive, south of Corona Comment
  RSA769710  Elymus glaucus E. W. Lathrop 1973-6-28 7438 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  RSA574565  Elymus glaucus subsp. glaucus Steve Boyd 1985-7-23 1016 -A Riverside De Luz Road, 8.0 miles W of Rancho California. Sandia Creek. 305 Comment
  RSA575840  Elymus glaucus subsp. glaucus Steve Boyd 1982-10-28 s.n. Riverside Gavilan Hills region, ''Blue Oak Canyon'', tributary of Dawson Canyon drainage northern flank of Estelle Mountain. 427 Comment
  RSA5907  Elymus glaucus subsp. jepsonii C. B. Wolf 1932-8-5 394 Riverside Trail from Tahquitz Valley to San Jacinto Peak, San Jacinto Mountains. 2561 Comment
  CLARK-A1703-1207  Emmenanthe penduliflora Charlotte Stocks 1962-5-16 Riverside Whitewater Canyon Comment
  UCR231806  Emmenanthe penduliflora Brent Barnes, A. C. Sanders, Giles Waines, UCR Plant Taxonomy Class 2007-5-12 06 Riverside Peninsular Range; San Jacinto Mtns., dirt forest service road north of Poppet Flats, west of Hwy 243 1253 Comment
  UCSB16206  Emmenanthe penduliflora Gerhart, Janet 1963-5-5 Riverside 5.0 miles east of Pinon Flats Campground on State Highway 74 975 Comment
  UCR215515  Emmenanthe penduliflora var. penduliflora Daphne K. Christopher, Hannah I. Stevens 2003-4-4 084 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve, off Sage Road 530 Comment
  SBBG112481  Encelia actoni C. Bornstein 1994-5-2 Riverside Randolph Ranch, Joshua Tree Nat Monument 1280 Comment
  SD87729  Encelia actoni Frank W. Peirson 1928-4-24 7891 Riverside Cottonwood Spring. Comment
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Oct 9 2010
  UCR34968  Encelia actoni L. B. Ziegler 1964-9-2 026 Riverside San Jacinto Mountains, Pinyon Flats 1311 Comment
  POM98992  Encelia actoni E. C. Jaeger 1926-3-24 s.n. Riverside Eagle Mts, Eastern Riverside County. 762 Comment
  CHSC46063  Encelia farinosa Troy Griffiths 1988-4-1 104 Riverside Vic. of Living Desert Reserve, ca. 3 mi se of Palm Desert. 45 Comment
  RSA0031849  Encelia farinosa Douglas A. Springer 1981-2-16 2 Riverside 9 miles S of Corona on Interstate Hwy 15 and Cajalco Rd., E side on median and roadside. Comment
  RSA79160  Encelia farinosa P. A. Munz, Percy C. Everett 1952-5-2 16246 Riverside Dry Morongo Wash, n.w. end of Coachella Valley. 457 Comment
  UCR241657  Encelia farinosa T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 317 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  SEINET10618313  Encelia farinosa David B. Dunn 1948-2-21 Dunn 3662 Riverside Pushawalla; in wash. Comment
  POM4936  Encelia farinosa var. farinosa I. M. Johnston 1917-6-5 1937 Riverside Hills south of Arlington 366 Comment
  SEINET3078303 Image available Encelia farinosa var. phenicodonta A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37484 Riverside Sonoran (Colorado) Desert: SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak (McCoy Peak 7.5' Q) 204 Comment
  UCR214289  Encelia farinosa var. phenicodonta A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37484 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  UCR232397  Encelia farinosa var. phenicodonta Dave Silverman, Mark Bibbo 2010-3-31 7837 Riverside Sonoran (Colorado) Desert, 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 ENE of McCoy Peak 177 Comment
  UCR147745  Encelia frutescens Steve Boyd, Et al. 2004-5-14 11263 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  SEINET10616295  Encelia frutescens Billy Joe Cox 1975-4-23 Cox 4126 Riverside Palo Verde, 1-3 km. W, (ca. 32 mi. S of Blythe). Riverside-Imperial Counties. 70 Comment
  UCD131406  Encelia virginensis Ted C. MacRae 1994-6-6 940606 -2 Riverside Vicinity of Pinyon Flats at junction of Jeraboa and Indio Roads. Comment
  RSA383849  Ephedra aspera N. R. Zabriskie, W. M. Zabriskie 1974-3-30 696 Riverside S of juncture with North Canyon, Andreas Canyon, E slope San Jacinto Mtns. Between Sites A-8 and A-9 335 Comment
  RSA85057  Ephedra aspera F. W. Peirson 1922-4-9 3339 Riverside Andreas Canyon near Palm Springs. 426 Comment
  RSA383873  Ephedra californica Ora M. Clark 1929-2-23 1517 Riverside South of Cabazon Comment
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Mar 13 2011
  CAS-BOT-BC81821  Ephedra nevadensis C. L. Hitchcock 1940-3-29 5868 Riverside Cottonwood Canyon ca. 100 yards east of Spring Comment
  UCR33589  Ephedra trifurca Faulkner 1978-4-28 527 Riverside Sonoran (Colorado) Desert, sand dunes 3 miles south of Rice 245 Comment
  CAS-BOT-BC171739  Epilobium canum subsp. latifolium Louis C. Wheeler 1931-10-4 199 Riverside Strawberry Valley Trail, San Jacinto Mts. 1584 Comment
  RSA356607  Epilobium canum subsp. latifolium Robert F. Thorne 1966-10-15 41818 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  RSA38400  Epilobium canum subsp. latifolium P. A. Munz 1946-10-20 11583 Riverside Cottonwood Springs; Joshua Tree National Monument. 1098 Comment
  UCR39542  Epilobium ciliatum A. C. Sanders 1980-8-23 1748 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  RSA692252  Epilobium ciliatum subsp. ciliatum Scott D. White 2003-10-9 9819 Riverside Pine Cove. Lily Creek just north of crossing at Hwy 243. 1738 Comment
  POM48735  Epilobium densiflorum P. A. Munz 1924-7-29 8818 Riverside 5 miles SE of Poppet Flat, San Jacinto Mtns. 1372 Comment
  UCR159202  Epilobium densiflorum A. C. Sanders, Kelly Volansky 2005-8-31 31578 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
  SBBG60209  Epilobium oregonense R. Hoffmann 1929-9-6 Riverside Tahquitz Valley 2438 Comment
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Sep 7 2011
  RSA449951  Epilobium pygmaeum J. C. Roos 1952-6-18 5779 Riverside A drying vernal pool in Edgemont. 457 Comment
  RSA6132  Epipactis gigantea B. D. Stark 1933-5-13 4985 Riverside Andreas canyon. 701 Comment
  RSA652885  Equisetum hyemale var. affine John Wallace 1991-5-5 12 Riverside Colorado River, Palo Verde Dam. 5 yards east of outflow foot bridge. Comment
  CAS-BOT-BC57247  Equisetum laevigatum Louis C. Wheeler 1932-7-9 935 Riverside Santa Ana River at Chino Creek 182 Comment
  JEPS74001  Eragrostis cilianensis S. B. Parish 1913-2-7 8440 Riverside Salton Sink Mecca; , Mecca 60 Comment
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Jul 7 2010
  UCR74526  Eragrostis curvula var. conferta Steve Morgan 1992-7-27 92- 7 Riverside City of Riverside, UCR Campus Comment
  UCR92729  Eragrostis lehmanniana A. C. Sanders, S. Ogg 1994-7-28 15167 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  UCD39930  Eragrostis mexicana Beecher Crampton ? s.n. Riverside UC Davis Riverside, Agronomy Experimental Area, Plant Introduction Plot. Comment
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Jun 16 2012
  POM8640  Eremalche exilis P. A. Munz, R. D. Harwood 1920-4-3 3563 Riverside Ford's Well west of Blythe. 305 Comment
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Dec 13 2016
  RSA719035  Eremalche exilis Michael Honer 2005-3-11 2065 Riverside Rice Valley; 4.5 mi. SSE of Rice; 1.5 mi. E of ATSF railway. 220 Comment
  UCR16592  Eremalche rotundifolia K. W. Brown 1966-3-10 s.n. Riverside Sonoran (Colorado) Desert, near Homestead Ranch gate, 0ne-half mi. east of Palms-to-Pines Hwy, c. 2 mi. south of Palm Desert '350 ft. 183 Comment
  UCR196386  Eremalche rotundifolia Naomi Fraga, Lisa Rojas 2005-2-10 1408 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 502 Comment
  CLARK-A1528-2642  Eremocarpus setiger John C. Roos 1965-7-27 Riverside Elsinore Comment
  RSA664936  Eremocarpus setiger J. C. Roos 1965-7-27 s.n. Riverside Elsinore. Comment
  SEINET12875649 Image available Eremogone ferrisiae Reid Moran 1968-1 15366 Riverside N slope 1 mi. W of summit, Santa Rosa Mtn. 2150 Comment
  CAS-BOT-BC160064  Eremothera boothii subsp. condensata F. H. Billings 1926-2-1 31 Riverside Near Indio Comment
  UCSB25712  Eriastrum densifolium subsp. austromontanum Gliessman, Stephen 1968-7-17 Riverside Little Thomas Mountain Road, 2.0 miles southwest of junction with Highway 74, Little Thomas Mountain 1402 Comment
  CAS-BOT-BC514305  Eriastrum densifolium subsp. austromontanum Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  RSA0104867  Eriastrum densifolium subsp. austromontanum Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  UCR35047  Eriastrum densifolium subsp. densifolium L. B. Ziegler 1967-5-31 137 Riverside San Jacinto Mtns, Pinyon Flats 1220 Comment
  SD258974  Eriastrum diffusum subsp. coachellae Sarah J. De Groot 2005-5-16 4968 Riverside Along Worsley Road paralleling Highway 62 between Dillon Road and Indian Ave., Desert Hot Springs area, vicinity of Morongo Creek. Broad but shallow washes through Bajada of Little San Bernardino Mountains. 495 Comment
  CAS-BOT-BC514465  Eriastrum eremicum subsp. eremicum C. L. Hitchcock 1940-4-4 5956 Riverside Pinto Basin Comment
  RSA0120074  Eriastrum eremicum subsp. eremicum H. K. Wagnon 1944-5-30 411 Riverside Corner of Indian Ave. and Ramon Road, Palm Springs. Comment
  UCR106874  Eriastrum sapphirinum Michael A. Patten 1992-7-7 s.n. Riverside Skunk Hollow, east of town of Murrieta 409 Comment
  RSA0122952  Eriastrum sapphirinum subsp. dasyanthum A. C. Sanders 1994-5-29 14551 Riverside San Bernardino Mountains: Morongo Indian Reservation, among hills on the low pass between Millard Cyn. and Potrero Cr. 750 Comment
  RSA0121570  Eriastrum sapphirinum subsp. dasyanthum N. C. Cooper 1944-7-15 1578 Riverside Banning. 701 Comment
  CDA23784  Ericameria brachylepis Mike Lahti 2008-10-21 PDR# 1509234 Riverside Temecula, 46062 Vista Del Mar at Los Gatos. 0 Comment
  RSA709797  Ericameria brachylepis A. C. Sanders 2004-7-1 28372 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, ca. 1.5 mile NW of the 'Menifee-Antelope Community Hall', 0.6 mi. E of Murrieta Rd. near the NW foot of a large rocky hill (1762 ft.) and ca. 5 miles due south of Sun City. 457 Comment
  JEPS19170  Ericameria cuneata var. spathulata W. L. Jepson 1928-4-25 12582 Riverside Cottonwood Spring Colorado Desert, Eagle Mts., Cottonwood Spring 914 Comment
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Oct 9 2010
  JOTR30827  Ericameria cuneata var. spathulata La Doux, Tasha, Jim Andre 2008-9-16 343 Riverside Joshua Tree National Park. JTNP; SE end of Splitrock Picnic Area. Queen Mountain USGS 7.5 min Quad. Near 34 00.486' N 116 03.288' W 1289 Comment
  UCR85276  Ericameria linearifolia Bern Schwenn 1994-4-29 s.n. Riverside southern Mojave Desert, Joshua Tree National Monument, E side of Lost Horse Mtns, along old road between Indio & Lost Horse Well , south of California Riding & Hiking Trail. 1506 Comment
  JOTR32895  Ericameria nauseosa var. mohavensis La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1555 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; active wash near base of granitic outcrops 1250 Comment
  UCD131522  Ericameria paniculata Glen Holstein 1978-12-31 s.n. Riverside along Highway 111, 3 miles northwest of intersection with road to Palm Springs aerial tramway. 152 Comment
  UCR22309  Ericameria parishii Steve Boyd 1980-12-20 367 Riverside Peninsular Range, Gavilan Hills, Gavilan plateau, radio tower ridge south of Gavilan Peak Comment
  UC1979604  Ericameria pinifolia D. L. Banks, Steve Boyd 1995-10-17 0788 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. Comment
  JEPS3946  Erigeron breweri var. jacinteus H. M. Hall Jun 1 1901-Jul 1 1901 2322 Riverside rocky ridges and peaks near Tauquitz; San Jacinto Mountains; near Tauquitz, San Jacinto Mts. 2690 Comment
  RSA747863  Erigeron divergens Justin M. Wood 2009-5-11 684 Riverside Morris Ranch Rd., roadside just E of Tripp Meadow. 1616 Comment
  UC729659  Erigeron foliosus var. foliosus Carl B. Wolf 1932-5-25 3667 Riverside just above Fish Hatchery; No. Base of San Jacinto Mts., Snow Creek 670 Comment
  RSA651278  Erigeron foliosus var. foliosus C. J. Humphrey 1936-6-7 422 Riverside [Unspecified] Comment
  POM251759  Eriochloa acuminata A. R. Roos 1937-11-22 7 Riverside East washington Ave., Riverside. Comment
  UCSB51409  Eriochloa aristata Roos, John 1965-9-26 Riverside Indio Comment
  UCD65739  Eriochloa contracta Edward G. Wegenek 1970-8-24 Riverside Southeastern part, collected in the Blythe area. Comment
  POM319080  Eriodictyon crassifolium Patricia Wilder 1971-9-29 5267 Riverside Along San Jacinto River at north end of Fairview Street, north of Florida Street. Valle Vista; east of Hemet; south side of river 518 Comment
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Mar 27 2011
  RSA455012  Eriodictyon crassifolium N. R. Zabriskie, W. M. Zabriskie 1971-4-24 397 Riverside Water service road above crossing of Deep Canyon, Santa Rosa Mts. 1317 Comment
  RSA495435  Eriodictyon crassifolium Steve Boyd, Tim Ross, L. Arnseth 1989-3-12 2962 Riverside Vail Lake area, lower slopes of Oak Mountain 1.5 mi WSW of lake. 488 Comment
  RSA600575  Eriodictyon crassifolium Louis C. Wheeler 1962-7-28 8182 Riverside Temescal Valley. 100 yards north of well and north of Sambucus with ''No Trespassing, No Hunting'' sign. Comment
  RSA77237  Eriodictyon crassifolium F. W. Peirson 1922-4-28 4480 Riverside Leach Canyon, near Elsinore 534 Comment
  UCR898  Eriodictyon crassifolium var. crassifolium John Milbauer 1976-5-1 s.n. Riverside San Jacinto Mtns., 4 mi. SE of Banning on Hwy 243 915 Comment
  CAS-BOT-BC248623  Eriogonum apiculatum Ralph Hoffmann 1929-9-5 s.n. Riverside Strawberry Valley, San Jacinto Mts. 2133 Comment
  CAS-BOT-BC248638  Eriogonum apiculatum Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  POM184032  Eriogonum apiculatum P. A. Munz 1932-10-16 12846 Riverside Santa Rosa Mountains: road from Indio to Vandeventer Flat. 1159 Comment
  RSA627513  Eriogonum apiculatum Scott D. White, Julie Greene 1998-8-1 6973 Riverside Idyllwild Area: Roadside uplands and meadows within residential community above/parallel to E bank of Strawberry Creek between crossing at Circle Drive and Humber Park. 1829 Comment
  SD67905  Eriogonum apiculatum Reid Moran 1968-8-3 15355 Riverside at roadside, ridge 1 mile NW of Toro Peak 2250 Comment
  JOTR32853  Eriogonum brachypodum La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1167 Riverside Joshua Tree National Park. Little San Bernardino Mountains, east of Queen Mountain, near north entrance to park; basalt rocky slopes 946 Comment
  CAS-BOT-BC242846  Eriogonum davidsonii Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mt. San Jacinto Comment
  JOTR29270  Eriogonum davidsonii La Doux, Tasha 2005-8-17 1540 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
  JOTR32035  Eriogonum davidsonii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2265 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; near Squaw Tank; sandy flats among large granitic boulders and foothills (Stop 2) 1063 Comment
  RSA766333  Eriogonum davidsonii Shearer 1930-09 s.n. Riverside Strawberry Valley. San Jacinto Mts. 1616 Comment
  CDA22575  Eriogonum deflexum T. C. Fuller 1962-10-2 9699 Riverside Hayfields, north of Highway 60-70 to Indio, ca. 14 miles west of Desert Center. 0 Comment
  RSA0018889  Eriogonum deflexum Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6025 Riverside Chuckwalla Valley; approximately 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well. 107 Comment
  CAS-BOT-BC256123  Eriogonum deflexum var. deflexum Lewis S. Rose 1936-12-26 36824 a Riverside Hayfield, 5 mi. W of Desert Center 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
  JOTR32459  Eriogonum fasciculatum var. flavoviride La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2605 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam loop trail; Pine-oak woodland among granitic boulder outcrops and narrow drainage system (Stop 3) 1295 Comment
  LA90399  Eriogonum fasciculatum var. flavoviride William Shapeero; 1954-4-28 sn Riverside Joshua Tree National Monument Comment
  RSA6100  Eriogonum fasciculatum var. polifolium Carl B. Wolf 1932-5-24 3644 Riverside 0.5 mile below the Fish Hatchery, Snow Creek, north base of San Jacinto Mountains 549 Comment
  RSA78791  Eriogonum fasciculatum var. polifolium Percy C. Everett, E. K. Balls, L. W. Lenz 1952-7-1 17266 Riverside 3 mi. S along banning to Idyllwild. 915 Comment
  CLARK-A1528-739  Eriogonum gracile Charlotte Stocks 1964-8-24 Riverside San Jacinto Mountains 1066 Comment
  UCR274196  Eriogonum gracile T. B. Salvato, Melissa Clemons 2005-6-6 1419 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
  SD160873  Eriogonum gracile var. gracile Virginia Moran 2003-7-17 Riverside Peninsular Ranges;Perris-Aguanga Basin region:Wilson Valley Mitigation Bank,managed by Center for Natural Lands Mgnt.(Two sections that comprise mitigation bank.(S27&33, of Sage & Cahuilla 7.5 Quad).Accessed from Wilson Valley Rd. Comment
  RSA679190  Eriogonum gracile var. incultum Michael Denslow, Firoozeh Navid-Ara, Valerie Soza 2003-7-16 1456 Riverside Santa Rosa Mountains, at junction of Road 7S02 and 74, just west of Rarick Spring 1479 Comment
  UCR59525  Eriogonum gracile var. incultum Steve Boyd, L. Arnseth, T. S. Ross 1989-6-4 3606 Riverside Butterfield Valley, Vail Lake area, Kolb Creek drainage, N extension of Woodchuck Road, north of Hwy 79 489 Comment
  RSA670613  Eriogonum inflatum Bonnie C. Templeton 1930-3-22 1644 Riverside Palm Springs. 400 Comment
  UCR3240  Eriogonum inflatum R. G. Sullivan 1972-4-20 720420- 6 Riverside Sonoran (Colorado) Desert/San Bernardino Mtns., Whitewater Canyon, 0.5 mi. north of Interstate 10 457 Comment
  UCR72196  Eriogonum inflatum Theo Glenn 1991-5-20 91- 102 Riverside Sonoran (Colorado) Desert, Arica Mts, SW of Rice 320 Comment
  RSA393581  Eriogonum inflatum var. inflatum N. C. Cooper 1944-5-20 2645 Riverside Palms to Pines Hwy., San Jacinto Mtns. 305 Comment
  RSA790634  Eriogonum inflatum var. inflatum Aaron C. Sedgwick, David Fraker 2012-4-24 2 Riverside In the Palen Valley south of Hwy. 10 on Dupont Rd., ca. 2 mi. northeast of the Chuckwalla Mountains Wilderness Area. 183 Comment
  CAS-BOT-BC270595  Eriogonum molestum Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  RSA0005084  Eriogonum nodosum var. jaegeri E. C. Jaeger 1921-11-15 251 Riverside Morongo Wash near Hole-in Wall Spring. Comment
  UC217840  Eriogonum nudum var. pauciflorum P. A. Munz 5989 Riverside Tahquitz Valley San Jacinto Mts., Tahquitz Valley 2225 Comment
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Sep 8 2011
  UCR24265  Eriogonum nudum var. pauciflorum John C. Roos 1943-10-16 2740 Riverside Southern Mojave Desert, Falcon Flats, Little San Bernardino Mtns 1524 Comment
  UCR35089  Eriogonum nudum var. pauciflorum L. B. Ziegler 1967-8-30 232 Riverside San Jacinto Mtns., Upper Strawberry Valley under Lily Rock. 1982 Comment
  CHSC26395  Eriogonum pusillum Dieter H. Wilken; Gary D. Wallace 1966-3-4 673 Riverside Base of the Little San Bernardino Mtsn. west of Indio along the Dillon Rd. 304 Comment
  POM294037  Eriogonum pusillum Lyman Benson 1945-3-29 11622 Riverside Canyon on Palm Springs Road, Colorado Desert, Little San Bernardino Mountain. 610 Comment
  CAS-BOT-BC263515  Eriogonum thomasii Marcus E. Jones 1926-2-16 s.n. Riverside Near Shaver's Well, Colorado Desert Comment
  RSA703412  Eriogonum thomasii LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda L. Worlow 2005-2-17 1459 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  UCD101281  Eriogonum thomasii LeRoy Gross; Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1459 Riverside Colorado Desert. Chocolate-Chuckwalle Mountains region. Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 479 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
  CAS-BOT-BC262880  Eriogonum thurberi Ivan Johnston 1917-4-4 1085 Riverside Colorado Desert. Near Palm Springs 152 Comment
  POM2304  Eriogonum thurberi S. B. Parish 1917-6-11 11363 Riverside Santa Ana River. Comment
  UC1563138  Eriogonum thurberi Steve Boyd, Tim Ross, Laurel Arnseth 1989-6-4 3633 Riverside se Vail Lake (Temecula Creek, just n of Hwy 79); Vail Lake area, Temecula Creek 487 Comment
  UCR139377  Eriogonum thurberi I. M. Johnston 1917-4-4 s.n. Riverside Sonoran (Colorado) Desert, near Palm Springs 183 Comment
  CAS-BOT-BC263593  Eriogonum trichopes Susan G. Stokes 1933-4-9 51 Riverside South of Palm Springs Comment
  UC412837  Eriogonum trichopes Geo. B. Grant May 1 1906-May 10 1906 444 -6719 Riverside Palm Springs Colorado Desert, Palm Springs Comment
  UCR279401  Eriogonum trichopes A. C. Sanders, Jim Malusa 2017-3-25 43022 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
  POM12412  Eriogonum wrightii var. membranaceum P. A. Munz 1922-9-6 6360 Riverside Near Dark Canyon. 1524 Comment
  JEPS56121  Eriogonum wrightii var. nodosum Marjorie D. Clary 1932-12-13 771 Riverside 15 mi nw Indio (base of mountains in Deep Canyon); Colorado Desert, Deep Canyon 304 Comment
  JOTR01000  Eriogonum wrightii var. nodosum Cole, James E. 1941-11-2 935 Riverside Joshua Tree National Park. SMITH WATER CANYON AT LOWER SPRING Comment
  SBBG64297  Eriogonum wrightii var. subscaposum R. Hoffmann 1929-9-10 Riverside San Jacinto Mtns 2438 Comment
  UCR75080  Erioneuron pulchellum A. C. Sanders, E. J. Lawlor 1992-4-4 12133 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  CDA5248  Eriophyllum confertiflorum A. C. Browne 1952-5-13 Riverside Temecula. 0 Comment
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Mar 18 2014
  RSA783219  Eriophyllum confertiflorum J. D. Olmsted 1962-6-23 5309 Riverside Banning Wat. Canyon, along main fire road from banning, southeast of San Bernardino mountains 1768 Comment
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Feb 24 2013
  UCR121327  Eriophyllum confertiflorum A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 24992 Riverside The Badlands, marble outcrop on ridge about 1/2 mile east of Mt. Eden, above Laborde Canyon, SW of Beaumont 670 Comment
  LA203543  Eriophyllum confertiflorum var. confertiflorum W. Pequegnat; 1939-4-8 24 Riverside Santa Ana Mountains Comment
  POM281156  Eriophyllum wallacei Ethel Rush 1951-4-12 168 Riverside Split Rocks Tank, Joshua Tree Natl. Mon. Little San Bernardino Mt. Range, Salton Sea Drainage Area. 1067 Comment
  POM358156  Eriophyllum wallacei Ora M. Clark 1929-2-23 1556 Riverside North of Whitewater Comment
  RSA594048  Erodium botrys D. L. Banks, Elizabeth Hedge Banks 1996-5-2 920 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along the broad alluvial benches just to the SE of the gate to the Preserve. 448 Comment
  UCR26264  Erodium brachycarpum John C. Roos 1966-3-22 s.n. Riverside Moreno Valley, Edgemont. Comment
  POM17787  Erodium brachycarpum H. Baer 1923-2-25 s.n. Riverside Temecula Canyon. Comment
  UCR178525  Erodium cicutarium R. G. Swinney 1967-2-12 0027 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek 335 Comment
  POM47109  Erodium texanum Mary F. Spencer 1918-4-12 761 Riverside Palm Springs, toward Indio 107 Comment
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Nov 20 2011
  UCR113636  Eryngium aristulatum var. parishii June Latting 1978-6-4 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, Mesa de Colorado 640 Comment
  UCR154538  Eryngium aristulatum var. parishii Jason L. Hlebakos 2005-5-18 711 Riverside Santa Rosa Plateau, Mesa de Burro in the research area 602 Comment
  LA204344  Erysimum capitatum var. capitatum Elizabeth Levine; 1949-5-22 sn Riverside Off the Pines to Palms Highway past Lake Hemet Comment
  RSA530203  Erysimum capitatum var. capitatum N. C. Cooper 1944-5-20 1227 Riverside Palms to Pines Highway [Hwy. 74], San Jacinto Mountains. 1372 Comment
  UCSB13334  Erysimum capitatum var. capitatum Atwater, Illiani 1961-5-7 Riverside Highway 74, 3.2 miles east of junction with Anza Rd., near Palm Springs 1371 Comment
  SD71845  Erythranthe cardinalis Helen V. Witham 1969-7-2 208 Riverside Edge of stream, Sandia Creek, on road from De Luz to Murietta 299 Comment
  RSA0020251  Erythranthe floribunda Henry J. Ramsey 1937-5-30 2120 Riverside Santa Rosa Mountains. Comment
  RSA0014862  Erythranthe primuloides H. E. Hasse 1892-7-4 s.n. Riverside San Jacinto. Comment
  RSA192039  Eschscholzia californica E. W. Lathrop 1959-4-2 4402 Riverside 18 miles S.W. of Elsinore. Tenaja plateau, south slope Comment
  UC56236  Eschscholzia californica H. M. Hall Apr. 1903 3849 Riverside Moreno Valley Comment
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Mar 20 2011
  UCR107883  Eschscholzia californica B. G. Pitzer 1997-3-23 2994 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
  UCR274075  Eschscholzia californica T. B. Salvato, Gregg Miller 2005-6-7 1432 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 Comment
  UCR281243  Eschscholzia californica Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-27 317- 74 Riverside Temescal Valley, North side of Concordia Ranch Rd., slopes just east of Black Powder Rd. 393 Comment
  LA26245  Eschscholzia minutiflora Richard Snow; 1952-4-14 10 Riverside Cottonwood Springs Rd, 7.2 mi from Hwy 60/70 Comment
  SBBG23074  Eschscholzia minutiflora D. Myrick 1965-3-4 1074 Riverside Palms to Pines Hwy (St Hwy 74) 914 Comment
  UCR249659  Eschscholzia minutiflora T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7296 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  UCSB3647  Eschscholzia minutiflora Haller, John 1957-3-23 Riverside ca.4.5 rd. mi. N. of US 99; 3 air mi. S. of Riverside-San Bernardino Co. line 609 Comment
  RSA445445  Eschscholzia minutiflora var. darwinensis Emery M. Whilton 1937-3-22 s.n. Riverside Taken in the Chocolate Mountains, east slope, Coachella Valley. Comment
  HSC101526  Eschscholzia parishii J. P. Smith, J. O. Sawyer, R. J. Cole 2010-4-18 12779 Riverside On rocky slope among granite boulders. 355 Comment
  HSC49384  Eschscholzia parishii D. L. Goforth 1979-4-11 107 Riverside 1 km N of junction of Hwy. 10 and S entrance road to Joshua Tree National Monument 518 Comment
  JOTR32911  Eschscholzia parishii La Doux, Tasha, Jim Andre 2009-2-28 352 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; along Berdoo Canyon Rd, approx. 0.8mi north of JTNP boundary, approx. 3mi north of Dillon Rd. 631 Comment
  RSA444327  Eschscholzia parishii Walter Wisura 1988-3-1 4195 Riverside 2.5 mi fr. I 10 along Box Canyon Rd. toward Mecca Comment
  RSA445453  Eschscholzia parishii Christopher Davidson 1979-4-4 7714 Riverside Orocopia Mountains; Box Canyon on Box Canyon Road, 13.4 miles E of Mecca 488 Comment
  UCR251644  Eschscholzia parishii Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy 2011-3-23 826 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' Old mine access road 534 Comment
  UCSB3659  Eschscholzia parishii Haller, John 1957-3-23 Riverside at the mouth of Morongo Canyon; ca 8 mi. N of US 99 & o air mile S. of Riverside-San Bernardino Co. line 762 Comment
  RSA695434  Escobaria vivipara var. alversonii Scott D. White, Michael Honer 2003-5-14 9293 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  UC1608077  Eucalyptus tereticornis D. Goodward April 1987 27 Riverside s. of Alessandro Blvd. near Nason St., Eucalyptus irrigation plot, Tree R1T9 U.C. Riverside Moreno Valley Field Station; Moreno Valley, U.C. Riverside Moreno Valley Field Station 457 Comment
  RSA543756  Eucrypta chrysanthemifolia Steve Boyd, Tim Ross, Mike Hammitt 1991-5-2 6076 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
  UCD119345  Eucrypta chrysanthemifolia Geoffrey Levin 1975-4-26 483 Riverside Mayhew Canyon Wash 1.5 mi. SE of Glen Ivy on Highway 71. 335 Comment
  JOTR34191  Eulobus californicus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2985 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  RSA0103963  Eulobus californicus Duncan S. Bell, LeRoy Gross 2015-3-10 7770 Riverside San Gorgonio Wilderness area; Mission Creek; just below (south of) the San Bernardino/Riverside county border. 830 Comment
  RSA698222  Eulobus californicus J. R. Bruff 1932-3-22 s.n. Riverside 1000 Palms. Comment
  UC50301  Eulobus californicus H. M. Hall Apr. 1903 3808 Riverside Vicinity of Riverside 396 Comment
  SD233226  Euphorbia abramsiana Catherine MacGregor 2012-9-13 Riverside East of Blythe. Area where sheet-flowing water backed up and ponded next to an unpaved trail. 127 Comment
  UCR245990  Euphorbia abramsiana Duncan S. Bell 2012-9-13 4176 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
  UCR102844  Euphorbia albomarginata A. C. Sanders 1997-4-3 20169 Riverside Lake Skinner area, N edge of large clay patch adjacent to the E side of the Skinner entrance road, c. 1-2 km NE of Borel Road. 473 Comment
  JOTR33803  Euphorbia eriantha La Doux, Tasha, B. Truesdell 2007-11-9 3301 Riverside Joshua Tree National Park. Eagle Mountains; along south boundary of park, open bajada below mouth of Lost Palms Canyon (STOP 2) 601 Comment
  RSA0041960  Euphorbia eriantha Duncan S. Bell, Loraine Washburn 2014-4-8 6586 Riverside Orocopia Mountains; at the entrance to Petra Canyon in Red Canyon, approximately 1 air mile north of the Bradshaw Trail. 398 Comment
  UCR281920  Euphorbia micromera A. C. Sanders, Jim Malusa 2017-9-21 43351 Riverside Sonoran (Colorado) Desert, northern boundary of Chocolate Mountains Aerial Gunnery Range along south side of Bradshaw Trail at large wash crossing 680 Comment
  JEPS51905  Euphorbia palmeri W. L. Jepson and H. M. Hall 1901-5-19 1302 Riverside Strawberry Valley; Mt. San Jacinto Comment
  UCR240067  Euphorbia polycarpa A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40503 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south of the Chuckwalla Mtns., along Bradshaw Trail 1 km SE of Augustine Rd. junction, large wash on SW side of road 695 Comment
  RSA392121  Eustoma exaltatum Geo. Cantwell 1935-4-10 s.n. Riverside Dos Palmas Springs, Salton Sea Comment
  RSA611954  Eustoma exaltatum Louis C. Wheeler 1952-12-15 7025 Riverside Riverside Mountains: 2-3 miles souith of Mountaineer Mine, north of Johnson's Camp. Shore of Alligator Slough of the Colorado River. Comment
  UCR163890  Eustoma exaltatum B. G. Pitzer 2001-8-19 4345 Riverside Peninsular Range; Santa Rosa Mountains, Carrizo Canyon, sheep guzzler c. 0.5 mi. SW of where Hwy 74 crosses canyon 701 Comment
  UC1746488  Euthamia occidentalis Mitch Provance and S. D. Boyd 1999-9-14 1785 Riverside between Lake Evans and Santa Ana R. Spring Brook; Riverside 237 Comment
  CAS-BOT-BC205628  Fagonia laevis James R. Shevock 1986-3-23 11358 Riverside Colorado Desert Region. Adjacent to Interstate 10 along Eagle Mountain Road, 3 miles west of Desert Center 350 Comment
  RSA681032  Fagonia laevis Scott D. White, Michael Honer 2003-5-14 9262 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  RSA699080  Fagonia laevis J. Russell Bruff 1929-12-28 450 Riverside Dos Palmas Comment
  RSA796752  Fagonia laevis Jim Andre 2012-4-11 20841 Riverside Orocopia Mountains: north end of range, along dirt road 2.8 mi due south of I-10 at Box Canyon Rd/Cottonwood Rd Exit. 624 Comment
  UCR275515  Fagonia laevis D. E. Bramlet 2010-3-1 4452 Riverside Sonoran (Colorado) Desert, West Berdoo Canyon, Little San Bernardino Mtns., c. 6 air miles north of Indio 366 Comment
  UCSB3565  Fagonia laevis Haller, John 1960-4-2 Riverside Lower slopes of Orocopia Mountains 1.5 mi S of the junc. of U.S. highway 60-70 and the S entrance road to Joshua Tree Natl. Mon. 548 Comment
  JOTR31943  Fagonia pachyacantha La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2181 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky drainages feeding into southwest Pinkham Wash Comment
  UCR137695  Festuca megalura D. L. Banks, V. W. Steinmann 1997-3-13 1481 B Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  UCR101440  Festuca microstachys A. C. Sanders 1997-4-10 20333 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  UCR97745  Festuca microstachys B. G. Pitzer 1997-4-1 3047 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  UCR126260  Festuca octoflora Nathan Moorhatch, John Green 2003-4-2 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Whitewater River channel at Date Palm Drive in Cathedral City 91 Comment
  RSA796320  Filago depressa Duncan S. Bell 2009-4-18 197 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  RSA586304  Filago gallica D. L. Banks, S. D. Boyd 1995-5-3 0215 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
  RSA113900  Forestiera pubescens G. R. Campbell 1955-12-6 21504 Riverside S Tillett, Hwy 74, 17 miles SE of Mountain Center on road to Palm Springs. Riverside County. Comment
  UCR207510  Forestiera pubescens O. F. Clarke 2004-3-14 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River c. 200 m below old Salt Lake Railroad bridge 215 Comment
  CAS-BOT-BC205633  Fouquieria splendens James R. Shevock 1986-3-23 11353 Riverside Colorado Desert Region. Adjacent to Interstate 10 along Eagle Mountain Road, 3 miles west of Desert Center 350 Comment
  RSA20100  Fouquieria splendens I. W. Clokey 1935-4-17 6752 Riverside Shaver's Well Comment
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Apr 24 2011
  SBBG50235  Frankenia salina A. C. Sanders with K. Knudsen, T. B. Salvato 2004-5-18 27896 Riverside Temescal Crk in Walker Cyn, at foot of Alberhill Mtn 378 Comment
  UCD99611  Frankenia salina Scott D. White 2009-8-10 13349 Riverside Temecula Valley, city of Temecula, West bnak of Murrieta Creek, 0.5 miles N and S of the Main Street bridge. 303 Comment
  UCR201842  Frankenia salina Justin M. Wood 2008-10-29 209 Riverside SW Perris Basin, Temecula - Murrieta Creek, downstream of First Street Bridge 320 Comment
  RSA262074  Fraxinus dipetala E. W. Lathrop 1966-3-23 6076 Riverside Skyline Drive, 4 mi. W of Corona, Tine Mine Canyon 305 Comment
  CAS-BOT-BC211016  Fraxinus velutina Winfield 1975-4-17 2399 Riverside West end Fairmont Park - Riverside Comment
  UCR132720  Fraxinus velutina A. C. Sanders, O. F. Clarke 1991-6-10 11132 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  RSA0023060  Funastrum cynanchoides var. cynanchoides John F. Emmel 1995-4-21 1362 Riverside Little Maria Mts., northwest end; large canyon and wash 0.4 air mile southwest of peak 2479. 488 Comment
  POM75819  Funastrum cynanchoides var. hartwegii Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  SEINET3081782 Image available Funastrum cynanchoides var. hartwegii Peggy Merritt PM- 720428 Riverside Canyon running N in hills 1 mi S of Intersec. of Alessandra Blvd and Walnut St., 12 mi W of Riverside 366 Comment
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Aug 25 2013
  UCR89833  Funastrum cynanchoides var. hartwegii Scott D. White 1993-5-27 1430 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  RSA751513  Funastrum hirtellum J. Andre, T. La Doux 2008-9-13 10263 Riverside Cuckwalla Valley: Along Hwy 177 (NW side), SE end of Coxcomb Mts. E boundary of Joshua Tree National Park 161 Comment
  RSA792479  Funastrum hirtellum Justin M. Wood, Dustin Ray 2011-4-28 3850 Riverside Sonoran Desert: Chuckwalla Valley; Eagle Mountain Road, 2.8 miles west of Desert Center and 0.9 miles north of I-10. 312 Comment
  JEPS52915  Galium Lauramay T. Dempster and G. L. Stebbins 1966-6-17 4237 Riverside Chimney Flat (old control) road below Alvin Meadows Comment
  CLARK-A1045-87  Galium andrewsii George K. Helmkamp 1978-4-27 Riverside San Jacinto Mountains ca. 2 miles up [east northeast] from Oak Spring; Lake Fulmor 7.5'Q Comment
  JEPS7035  Galium andrewsii subsp. andrewsii Carl V. Meyer 1929-6-18 778 Riverside summit of Hamilton Grade San Jacinto Mts. Comment
  RSA753481  Galium andrewsii subsp. andrewsii Scott D. White, Justin M. Wood 2009-5-21 12865 Riverside San Jacinto Mountains: Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  JEPS56052  Galium angustifolium subsp. jacinticum Lauramay T. Dempster 1965-6-17 4129 Riverside road from Banning to Idyllwild; San Jacinto Mts., Fulmor Lake 1615 Comment
  SD135314  Galium angustifolium subsp. jacinticum Craig Reiser, Dylan Hannon 1993-5-30 Riverside On ridgeline saddle between Toro Peak and Santa Rosa Peak Comment
  RSA739708  Galium porrigens var. porrigens A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35643 Riverside May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  POM367818  Galium stellatum M. B. Dunkle 1933-5-6 3427 Riverside Canyon N. of Cathedral Canyon. Comment
  CAS-BOT-BC217616  Galium stellatum subsp. stellatum C. L. Hitchcock 1940-3-30 5870 Riverside Cottonwood Spring Comment
  UCR88574  Gamochaeta stagnalis A. C. Sanders, J. C. Lyman 1995-4-16 16566 Riverside San Bernardino Valley, Glen Avon: sand dune area on N slope of the Jurupa Hills (draining toward Fontana), Pyrite St. Canyon 335 Comment
  UCR208877  Garrya flavescens subsp. pallida W. E. Pequegnat 1940-12-27 s.n. Riverside Peninsular Range; Santa Ana Mtns., between Trabuco and Santiago peaks 1311 Comment
  POM145509  Gastridium phleoides J. B. Feudge 1927-5-19 1607 Riverside Menifee Valley 412 Comment
  RSA559938  Gazania longiscapa Steve Boyd 1992-4-18 6889 Riverside Buck Mesa, S of Lake Skinner, 1.8 mi E of main entrance rd to lake along Borell Rd. Comment
  CAS-BOT-BC303585  Geraea canescens Frank W. Peirson 1921-3-23 2782 Riverside 10 miles SE of Palm Springs Comment
  UC1010414  Geraea canescens Alice Yates and Jas. E. Wilcox 1952-4-4 7 Riverside between Mecca and Desert Hot Springs 0 Comment
  UCD132590  Geraea canescens Lewis S. Rose 1967-12-20 67183 Riverside 6 mi. se. of Thousand Palms. 15 Comment
  RSA667120  Geranium carolinianum A. C. Sanders, T. B. Salvato 2000-5-8 23384 Riverside San Bernardino Valley region; Riverside, UCR Botanical Garden, E side of the campus. 121 Comment
  RSA180449  Geranium dissectum E. W. Lathrop 1960-6-8 4910 Riverside 14 miles west of Murrieta Comment
  JEPS89034  Gilia angelensis Rimo Bacigalupi and L. Heckard 1962-3-25 8385 Riverside about 5 mi se Corona (just n of Bedford Canyon, low rolling hills at eastern base of the Santa Ana Mountains); eastern base Santa Ana Mountains, n of Bedford Canyon 304 Comment
  RSA470123  Gilia angelensis Anstruther Davidson 1926-05 s.n. Riverside Corona. Comment
  SD126649  Gilia angelensis J. Hirshberg 1989-3-15 Riverside Santa Rosa Plateau, south of Murrieta; southwest of Mesa de Burro. 579 Comment
  RSA263678  Gilia capitata subsp. abrotanifolia E. W. Lathrop 1968-5-22 6929 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  UCR31805  Gilia diegensis A. C. Sanders, Karen Kirtland, Don Emery, Jan West, P. Clark, and others 1982-4-17 294 Riverside San Jacinto Valley, San Jacinto River, c. 1 mi. east of the town of San Jacinto Comment
  JEPS4111  Gilia ochroleuca subsp. exilis W. L. Jepson May 17 1901-Jun 1 1901 1270 Riverside San Jacinto Valley 274 Comment
  RSA0017093  Gilia ochroleuca subsp. exilis D. L. Banks, S. D. Boyd 1995-4-5 0148 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, W of the Dripping Springs Trail, on alluvial terraces of the W fork of Arroyo Seco. 3 573 Comment
  JOTR30238  Gilia sinuata Leary, C. and Leary, Pat 1979-5-5 3023 Riverside Joshua Tree National Park. West of Lost Horse valley, Joshua Tree N.M., T2S R7E sec 13. Comment
  RSA111274  Gilia sinuata Verne Grant, James Davis 1957-3-30 9895 Riverside Upper eastern end of Moronga Valley 793 Comment
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Mar 23 2014
  GMDRC9815  Gilia stellata J. M. Andre 2017-3-1 38049 Riverside Chuckwalla Mountains: along powerline road 1.2 mi. SW of Interstate 10 at Eagle Mtn Rd exit 387 Comment
  SD7669  Gilia tricolor Daniel Cleveland 1882-4-24 Riverside Copeland's, San Jacinto. 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
  SD144464  Glycyrrhiza lepidota G. Ballmer 1996-5-19 Riverside E of Murrieta: near margin of Warm Springs Creek, adjacent to Hwy I-15 right-of-way 366 Comment
  RSA180320  Gnaphalium californicum E. W. Lathrop 1965-4-4 5621 Riverside 8 miles west of Murrieta Comment
  RSA388421  Gnaphalium californicum R. F. Thorne 1985-7-18 61191 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  RSA659556  Gnaphalium californicum P. Shirokawa 1998-5-15 34 Riverside Cleveland National Forest- Trabuco Ranger District, 0.3 miles from Ortega Highway (State Highway 74) on North Main Divide Road. 808 Comment
  UCR174074  Gnaphalium californicum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32588 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  RSA701364  Gnaphalium luteoalbum Steve Boyd, Aydee Virgen 2004-4-13 10865 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UCR126993  Gnaphalium palustre A. C. Sanders, Guy Bruyea 2003-6-12 26886 Riverside Perris-Aguanga Basin Region, Winchester, SW edge of town between Simpson Ave. and Olive Ave., c. 1 km west of Hwy 79/Winchester Rd. 445 Comment
  UCR232794  Gnaphalium palustre John F. Green 2008-4-16 0408- 50 Riverside Peninsular Range; Perris-Aguanga Valley, SSE of Romoland, powerline route north of McLaughlin Rd, between Palomar and Dawson roads 442 Comment
  UCR22145  Gnaphalium stramineum Steve Boyd 1980-7-12 335 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  RSA430051  Guillenia lasiophylla E. C. Jaeger 1920-03 s.n. Riverside Palm Springs. Comment
  RSA736547  Gutierrezia californica Scott D. White, Angelia Carey 2004-7-2 10586 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UCR199575  Gutierrezia californica Scott D. White, Angelia Carey 2004-7-2 10586 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  UCR23826  Gutierrezia californica John C. Roos 1965-9-26 s.n. Riverside Sonoran (Colorado) Desert, rocky point near Palm Springs Station [Windy Point?] Comment
  UCD132605  Gutierrezia sarothrae R. N. Raynor 1941-7-28 s.n. Riverside Highway 71 between Temecula and Aguanga. Comment
  SEINET189223 Image available Halliophytum hallii Annie M. Alexander, L Kellogg 1941-5-14 2171 Riverside 2.5 miles south of Cottonwood Spring Eagle Mountains 838 Comment
  HSC85415  Harpagonella palmeri Steve Boyd 1986-3-9 1384 Riverside Temescal Canyon: Alberhill Mtn., S slope of mtn., just E of claymine area 459 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
  UCR172197  Harpagonella palmeri 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
  RSA0066617  Harpagonella palmeri Steve Boyd 1986-4-22 1767 Riverside Temescal Canyon: Terrace escarpment E side of Indian Wash, S of I-15. Comment
  RSA520079  Hazardia squarrosa var. grindelioides Steve Boyd, David E. Bramlet 1988-10-8 2876 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  RSA761939  Hazardia squarrosa var. grindelioides Robt Allen, Linnell R. Allen, Charles Allen 2005-10-9 12528 Riverside El Cariso, junction of North Maine Divide Road (3S04) with Ortega Hwy (SR74), SW corner. 795 Comment
  RSA0094790  Hedypnois cretica Duncan S. Bell, Andrew Chambers, Jacob B. Landis, Evan Meyer, Billy Sale 2015-4-2 7935 A Riverside San Gorgonio Pass area, between Cabazon and Whitewater, about a 1/2 mile south of Interstate 10, just to the east of a section of the wind farm. 416 Comment
  UCR262278  Hedypnois cretica A. C. Sanders 2006-5-13 32286 Riverside Peninsular Range, 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
  UC218098  Helenium bigelovii P. A. Munz 1922-7-7 6064 Riverside meadow n Tahquitz Valley; San Jacinto Mts. 2225 Comment
  RSA500113  Helianthemum scoparium var. aldersonii Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3698 Riverside Vail Lake area, benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  HSC93116  Helianthus gracilentus Karen Kirtland 1993-4-17 Riverside Hills N of Temecula Comment
  RSA220973  Helianthus gracilentus E. W. Lathrop 1966-5-8 6431 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  UCR145972  Helianthus gracilentus June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  SBBG8404  Helianthus niveus H. and M. Dearing 1942-3-21 4836 Riverside Cathedral City, near Palm Springs Comment
  UC131274  Helianthus petiolaris subsp. canescens S. B. and W. F. Parish Apr 1882 1212 Riverside Agua Caliente Colorado Desert Comment
  SD136878  Heliotropium curassavicum var. oculatum Steve Boyd, Darin Banks 1994-9-29 8374 Riverside Lake Elsinore, floodplain east of dike along San Jacinto River west of Sedco Hills community. 380 Comment
  RSA525229  Hemizonia kelloggii Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4606 Riverside Vail Lake area, NE of lake along Powerline road, 0.6 mile W of jct Hwy R3. Comment
  RSA711222  Hemizonia kelloggii A. C. Sanders 2004-4-9 27469 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., alluvial slope in mouth of large canyon on south side. 473 Comment
  RSA678267  Hemizonia mohavensis Valerie L. Soza, S. D. Boyd, Neil Gilbert 2000-12-6 1068 -b Riverside Keen Camp Road, east of Hwy 74, west of entrance gate to Camp Tahquitz Meadows. 1341 Comment
  UCR108831  Hemizonia paniculata O. F. Clarke 1972-5-21 s.n. Riverside Riverside, Santa Ana River near Union Pacific Bridge 213 Comment
  UCR113558  Hemizonia paniculata Mitch Provance 2000-9-1 2232 B Riverside Jurupa Mtns., Pyrite Canyon, c. 0.5 miles SW of peak 1538 305 Comment
  UCR118175  Hemizonia paniculata A. C. Sanders, S. D. Boyd, Mitch Provance, J. Ross 1998-10-25 22297 Riverside Anza area, Cahuilla Valley, 5.5 mi.W of Bautista Rd. on Hwy 371 1052 Comment
  UCR136162  Hemizonia paniculata A. C. Sanders 2004-6-20 28216 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
  RSA377066  Hesperocallis undulata W. Hutchinson 1926-3-1 s.n. Riverside Colorado Desert. Comment
  UC119823  Hesperocallis undulata F. Stephens 1895-3-29 Riverside s of Salt Creek (below old Sea Beach, Colorado Desert); Colorado Desert Comment
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Mar 12 2011
  SD240777  Hesperocyparis forbesii A. C. Sanders, T. B. Salvato, Kent Beaman 2011-11-3 39925 Riverside Peninsular Range: Santa Ana Mountains: near Sierra Peak on dirt road (Leonard Road) from Skyline Drive, c. 1/4 mile east of the Orange C. line (Black Star Canyon 7.5'Q) 883 Comment
  RSA680401  Heterocodon rariflorum Scott D. White, Michael Honer, Dylan Hannon 2003-6-24 9597 Riverside Near Rainbow Valley: Mountains west of I-15 Freeway and immediately north of San Diego County boundary. 335 Comment
  POM266279  Heterotheca horrida subsp. cinerascens J. C. Roos 1942-10-24 2571 Riverside Wonderland of Rocks' Joshua Tree National Monument. Comment
  UCR128306  Heuchera Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8637 Riverside San Jacinto Mtns, Idyllwild area; 'Strawberry Fuelbreak' between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek 1646 Comment
  RSA0063014  Heuchera elegans P. A. Munz 1922-6-28 5875 Riverside Toro Peak, Santa Rosa Mountains. 2287 Comment
  CLARK-A1528-3226  Hibiscus denudatus John C. Roos 1939-4-6 4145 Riverside Orocopia Mountains Comment
  RSA28084  Hibiscus denudatus I. L. Wiggins 1941-3-27 9691 Riverside 8.2 miles west of Shaver s summit. Comment
  SBBG55857  Hibiscus denudatus C. Davidson, J. Jones 1980-4-4 9961 Riverside W end of the Orocopia Mtns in a small cyn and wash almost S of Oro Peak 518 Comment
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Sep 17 2011
  POM12871  Hieracium horridum P. A. Munz 1922-7-6 6023 Riverside Zigzag on trail from Tahquitz to Hidden Lake; San Jacinto Mts, 2378 Comment
  CLARK-A1528-4681  Hilaria rigida John C. Roos 1965-9-5 Riverside Chuckwalla Valley Comment
  OBI21905  Hilaria rigida Robert F. Hoover 1966-10-15 10179 Riverside Bighorn Dr, San Jacinto Mts Comment
  UCR275426  Hilaria rigida Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 960 Riverside Sonoran (Colorado) Desert, Blythe-Rice Road, ENE of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing 243 Comment
  CAS-BOT-BC540725  Hoffmannseggia microphylla Sarah J. De Groot; Duncan S. Bell; Cheryl Sevilla 2015-2-10 7359 Riverside Bear Creek drainage, East Fork; E side of Santa Rose Mountains, S of La Quinta, W of Lake Cahuilla 195 Comment
  UCSB3085  Hoffmannseggia microphylla Haller, John 1958-3-22 Riverside Near U.S. Highway 60-70, 7.8 miles east of junction with U.S. Highway 99, near Indio 304 Comment
  RSA679165  Holodiscus microphyllus Fred M. Roberts 2003-6-25 5934 Riverside Santiago Peak, NE slope off old road near jct. with Main Divide Truck Trail, 4.3km by road N bear Springs, 0.4km N summit. 1633 Comment
  RSA768584  Hordeum brachyantherum Justin M. Wood 2010-4-13 1463 -B Riverside City of Corona: Small tributatry to Temescal Wash, 0.5 miles NW of Auburndale St near Flood Control Dike. 165 Comment
  UCR117652  Hordeum intercedens Scott D. White, M. Jacobsmeyer 1996-4-20 3964 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
  UCR176899  Hordeum intercedens Tracy Tennant 1998-4-21 245 Riverside San Jacinto Valley, Stetson Ave. at Warren Rd., near Hemet-Ryan Airport 457 Comment
  UCR75556  Hordeum intercedens A. C. Sanders 1993-5-12 14016 Riverside Hemet, W side of Warren Road, 1/2 mi south of Florida Ave (Hwy 74), b/w the New San Diego Aqueduct and Warren, directly opposite of the W end of Whittier Rd 457 Comment
  CAS-BOT-BC285111  Hordeum marinum subsp. gussoneanum Philip A. Munz 1941-5-18 16651 Riverside North end of Santa Rosa Ranch, Elsinore Mts. 914 Comment
  CAS-BOT-BC285112  Hordeum marinum subsp. gussoneanum Philip A. Munz 1941-5-18 16651 Riverside North end of Santa Rosa Ranch, Elsinore Mts. 914 Comment
  RSA651785  Hordeum murinum subsp. glaucum Markell Kohn 1959-4-29 s.n. Riverside UCR campus, Riverside. Behind greenhouse 16, 10 yards south of Eucalyptus tree by driveway Comment
  CAS-BOT-BC148560  Horkelia clevelandii Mary F. Spencer 1919-6-19 1202 Riverside Idyllwild, San Jacinto Mts. 1645 Comment
  CAS-BOT-BC148571  Horkelia clevelandii Carl B. Wolf 1932-8-4 3927 Riverside Strawberry Valley, 1 1/2 mi. from Idyllwild on road to Binning - San Jacinto Mts. 1706 Comment
  UCR201424  Horkelia clevelandii Scott D. White, Justin M. Wood 2008-6-17 12155 Riverside San Jacinto Mountains, south of Hwy 79 near Keen Camp Summit 1463 Comment
  UCR253359  Hulsea vestita subsp. callicarpha Ana Hernandez, John Dvorak 2011-8-4 028 Riverside San Jacinto Mountains, west of Forest Route 4S02.3 (Azalea Trail), 0.5 km south of Dark Canyon Campground 1746 Comment
  RSA453765  Hydrocotyle ranunculoides Lester H. Cushman 1932-5-15 15321 Riverside Near Pedley, Santa Ana River. Comment
  POM361069  Hymenoclea salsola N. C. Cooper 1949-4-8 3311 Riverside Desert Center. 609 Comment
  UCR101570  Hymenoclea salsola Bern Schwenn 1998-4-11 s.n. Riverside San Bernardino Mountains, Mission Creek, along Pacific Crest Trail and slope on E side of canyon. 823 Comment
  RSA0009845  Hymenoclea salsola Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  POM12866  Hymenopappus filifolius var. lugens P. A. Munz 1922-6-29 s.n. Riverside Santa Rosa Mountains: Santa Rosa. 2134 Comment
  UCR195117  Hypericum formosum A. C. Sanders, Tim Thomas 2008-8-1 35946 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1402 Comment
  UCR174062  Hypochaeris glabra A. C. Sanders 2006-5-19 32439 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-BC219768  Hyptis emoryi R. Freeman 1977-3-9 2172 Riverside S-O & Q-O South side of Chuckwalla Mnts. Comment
  SD128714  Hyptis emoryi Darley F. Howe 1980-4-16 Riverside 4 miles south of Highway 10 on Cornsprings Road, Chuckwalla Mountains 334 Comment
  SEINET4133991  Hyptis emoryi J. W. Clokey 1935-4-17 6866 Riverside Shafer Mills.; 0 Comment
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Jul 16 2015
  UC577724  Hyptis emoryi H. S. Yates 1936-4-6 5412 Riverside Palm Springs; San Jacinto Quad., Palm Springs Comment
  UCD166271  Hyptis emoryi Jack Major 1962-4-17 786 Riverside On CA HWY 74 from Pinyon Flat to Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 435 Comment
  SEINET10968982  Hyptis emoryi David B. Dunn 1946-3-15 Dunn 2021 Riverside Collected on dry plateau in vicinity of pushawalla canyon, indio hills. Sparse desert scrub of larrea and franseria with palms at the springs in the canyon. Comment
  UC382611  Isocoma acradenia var. acradenia David D. Keck 1926-9-30 263 Riverside near Riverside; Summit of Box Springs Grade Comment
  CAS-BOT-BC311616  Isocoma acradenia var. eremophila S. B. Parish 1912-10-8 8353 Riverside Indio, Salton Sink -6 Comment
  UC857721  Isomeris arborea I. W. Clokey and B. C. Templeton 1930-4-9 4703 Riverside Palm Springs Station; Colorado Desert 210 Comment
  SEINET4691495  Iva axillaris A. C. Sanders 2012-1 39990 Riverside Peninsular Range; Elsinore Valley; city of lake Elsinore, 0.4 km SW (210 degrees) of Intersection of Riverside Dr. and Collier Ave. 385 Comment
  RSA85817  Ivesia santolinoides E. C. Jaeger 5445 Riverside County Well Canyon [6.8 miles below Pinyon Well on the road to Indio, presumably in what is now called Pushawalla Canyon] Comment
  UC56919  Jepsonia parryi H. M. Hall Apr. 1902 2750 Riverside Winchester Comment
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Mar 20 2011
  RSA0011198  Juglans californica A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37141 Riverside Box Springs Mtns. Foothills, Riverside, eastern side of UCR Campus in canyon below botanical garden 320 Comment
  UCD110257  Juglans californica Robert F. Thorne; Walter Wisura, Earl Lathrop, Sara Meury 1985-5-18 60641 Riverside Santa Rosa Plateau: Santa Rosa Ranch headquarters. 563 Comment
  RSA69622  Juncus acutus subsp. leopoldii F. W. Peirson 1924-12-30 5409 Riverside Thousand-Palms Canyon, north side of Coachella Valley. 122 Comment
  RSA387354  Juncus bufonius Steve Boyd 1986-4-19 1718 Riverside Temescal Canyon: Warm Springs Valley, Alberhill Creek drainage, E of Nichols Road. Comment
  UCR166807  Juncus bufonius R. E. Riefner Jr. 2005-4-22 05- 238 B Riverside Patton Rd. at Patterson Ave., SE of Winchester near San Diego Aqueduct 452 Comment
  UCR117310  Juncus hemiendytus A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 738 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UC1106415  Juncus macrandrus Peter Kamb 1948-7-4 1165 Riverside Hall Canyon San Jacinto Mts. 1645 Comment
  RSA297031  Juniperus californica John F. Emmel 1974-3-3 473 Riverside Canyon 0.5 air mile E. & ENE of peak 4416 on 1956 USGS topographic quad., N. end Coxcomb Mts. 1219 Comment
  CAS-BOT-BC234604  Justicia californica Philip A. Munz 1940-3-24 15692 Riverside 3 miles south of Cottonwood Springs, Wagle [Eagle] Mts. 457 Comment
  HSC66619  Justicia californica Christopher Davidson, Josephine Jones 1980-4-4 9952 Riverside W end of Orocopia Mtns., canyon and wash S of Oro Peak 518 Comment
  LA202791  Justicia californica A. M. Johnson; 1933-4-28 4235 Riverside Pines to Palm highway below Palm Springs Comment
  CAS-BOT-BC235494  Keckiella antirrhinoides A. C. Sanders 1998-2-19 21654 Riverside San Bernardino Mountains: mouth of Hathaway Canyon, Morongo Indian Reservation, east of Banning 793 Comment
  RSA601085  Keckiella antirrhinoides A. C. Sanders, J. Goetzen 1996-5-1 18123 Riverside San Bernardino Mtns.: Morongo Indian Reservation, along dirt road in Hathaway Crk., N of Banning. [UTM 10 km cell: NH-1E, 5N. Banning.] 792 Comment
  RSA400444  Keckiella cordifolia H. de Forest, Jack Rempel 1933-6-25 18022 Riverside Along road to Banning, San Jacinto Mts Comment
  UC682216  Keckiella rothrockii var. jacintensis H. M. Hall 1897-7-21 704 Riverside San Jacinto Mt. 2743 Comment
  NY790416  Keckiella ternata subsp. ternata H. M. Hall 08 1901 2634 Riverside In the vicinity of Chalk Hill. San Jacinto Mountains. 1585.0 Comment
  UCD86077  Koeleria macrantha F. M. Reed 1906-6-16 1073 Riverside Vicinity of Riverside, City Creek Grate. 1463 Comment
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May 1 2011
  UCR20551  Koeleria macrantha W. W. Mayhew 1977-6-12 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  UCR2487  Koeleria macrantha F. M. Reed 1928-7-10 5989 Riverside San Jacinto Mtns, Strawberry Creek at Camp Emerson, Idyllwild 1524 Comment
  HSC27213  Krameria erecta J. P. Smith, J. O. Sawyer 1973-6-10 6885 Riverside Joshua Tree National Monument. Comment
  RSA273332  Krameria erecta J. P. Smith, J. O. Sawyer 1973-6-10 6885 Riverside Joshua Tree National Monument. Comment
  PASA1849  Krameria grayi R. Peirce 1966-4-21 Riverside 1 mi. W. of Windy Point, 2 mi. S. of White Water P.O. Comment
  RSA688863  Krameria grayi Scott D. White, Michael Honer 2003-5-13 9237 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon washWhitewater Canyon, ca. 2 miles north of Bonnie Bell. 579 Comment
  UCR89575  Krameria grayi Bern Schwenn 1994-4-30 s.n. Riverside southern Mojave Desert, Joshua Tree National Monument. E side of Hexie Mtns., along Ruby Lee Well Road, between paved Pinto Basin Road and the divide. 823 Comment
  RSA0001812  Krynitzkia decipiens Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA596115  Lactuca serriola D. L. Banks 1996-11-7 1198 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; At the end of the main road in the Reservation, at the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 494 Comment
  UC700954  Langloisia setosissima subsp. setosissima Aven and Ruth Nelson 1939-3-29 3323 Riverside ner the Palm grove Hidden Springs Comment
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Apr 17 2011
  UC909116  Langloisia setosissima subsp. setosissima Frank W. Peirson 1927-4-12 7177 Riverside at camp near forks Painted Canyon; Colorado Desert, Painted Canyon Comment
  CAS-BOT-BC166021  Larrea tridentata Roxana S. Ferris 1918-6-13 958 Riverside 1 mi. south of Cabazon in White Water Wash Comment
  CAS-BOT-BC166022  Larrea tridentata Geo. B. Grant 1906-5-1 229 -6724 Riverside Colorado Desert at Palm Springs, Southern California Comment
  LA209861  Larrea tridentata Harlan Lewis; 1935-4-7 sn Riverside Palm Springs 138 Comment
  RSA390024  Larrea tridentata George B. Grant 1906-5-1 229 -6724 Riverside Palm Springs, Colorado Desert. Comment
  UCR167201  Larrea tridentata S. J. Myers 2005-3-24 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, east of N end of Salton Sea, along Coachella Canal 12 Comment
  CAS-BOT-BC412766  Lastarriaea coriacea A. C. Sanders; T. B. Salvato 2000-5-25 23406 Riverside Menifee Valley: S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake. 488 Comment
  RSA736316  Lastarriaea coriacea Scott D. White, Justin M. Wood 2008-3-25 11777 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  SEINET7063465  Lasthenia californica A. G. Vestal 1947-3-31 s.n. Riverside Southeast of Cajaleo Reservoir [presently Lake Matthews] on Cajaleo Road. UTM Zone 11, 462989mE, 3743281mN. (WGS84/NAD83). 438 Comment
  UC30436  Lasthenia californica E. L. Koethen 1897-4-1 17 Riverside plains, Riverside Riverside Comment
  RSA586113  Lasthenia coronaria D. L. Banks, S. D. Boyd 1995-4-5 0153 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, W of the Dripping Springs Trail. 503 Comment
  RSA716422  Lasthenia coronaria Scott D. White 2006-4-27 11308 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  UCR91424  Lasthenia coronaria Scott D. White 1995-3-30 2657 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  RSA593886  Lasthenia glabrata subsp. coulteri Steve Boyd, David E. Bramlet 1996-4-19 8614 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
  POM184253  Lasthenia gracilis P. A. Munz 1932-3-24 12015 Riverside Corona 366 Comment
  UCR88737  Lasthenia gracilis A. C. Sanders, K. C. Rose 1995-4-5 16372 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  UCR91474  Lasthenia gracilis Scott D. White, M. Jacobsmeyer 1996-4-20 3959 Riverside Perris-Aguanga Basin region, SW of Perris: hillside south of the San Jacinto River channel 518 Comment
  RSA406639  Lathyrus vestitus subsp. alefeldii N. C. Cooper 1944-6-4 1974 Riverside Elsinore Mountain; Lookout at top. 1066 Comment
  RSA510024  Lathyrus vestitus subsp. laetiflorus B. Pitzer, E. Misquez 1988-2-28 616 Riverside 2 mi s of Rancho California Road (sw of Murrieta, Walker Basin, Avenida del Oro); Walker Basin, Avenida del Oro. Comment
  UCR89878  Lathyrus vestitus var. vestitus Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3339 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
  CHSC108889  Layia glandulosa Orlando Mistretta; D Bell, J England, J Hall, C McDonald, L Reccia 2010-4-13 4988 Riverside Transverse Ranges; San Bernardino Mountains region: 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
  UCR84885  Layia glandulosa A. C. Sanders, K. C. Rose, , D. Woodard 1995-3-22 16233 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  UC1537069  Layia platyglossa Gordon H. True Jr. 1935-3-16 91 Riverside Mockingbird Canyon 365 Comment
  UCR202066  Layia platyglossa Karin Cleary-Rose 1998-3-6 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, Palmieri property, 25 acre parcel in western Hemet, south of Hwy 74, west of Warren Rd, directly east of the San Diego Aqueduct and c. 500 ft. east of Salt Creek, north of Stetson Ave. 527 Comment
  POM4861  Layia platyglossa subsp. campestris P. A. Munz 1918-4-27 2152 Riverside Near Corona. Comment
  RSA12917  Layia platyglossa subsp. campestris C. B. Wolf 1935-4-7 6307 Riverside 2 mi. SW of Perris. 427 Comment
  UCR19012  Leersia oryzoides John C. Roos, L. Roos 1951-10-24 5345 Riverside Riverside, shallow stream at outlet of Fairmount Park Lake 238 Comment
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Feb 23 2014
  RSA660539  Lepechinia cardiophylla Orlando Mistretta 1992-6-10 516 Riverside Peninsular Ranges: (Cleveland National Forest) Along old road coming off 3504 W of Sierra Peak. Head of road. Comment
  SEINET10449124  Lepidium David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-14 Dunn 3757 Riverside Found in wash above quad. 6. Indio hills, colorado desert. Near pushawalla. Comment
  UCR151368  Lepidium dictyotum Steve Boyd 2001-4-12 10410 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
  UCR18612  Lepidium dictyotum var. acutidens O. F. Clarke 1973-3-10 s.n. Riverside Lakeview Area, 2.5 mi north of Ramona Expressway on Davis Rd. 434 Comment
  UCR79366  Lepidium dictyotum var. dictyotum Steve Boyd, T. S. Ross 1992-4-1 6773 Riverside Peninsular Range, Temecal Canyon, terrace escarpments betwee Indian and Horsethief Washes along DePalma Road. 412 Comment
  CAS-BOT-BC89438  Lepidium fremontii Ynez Whilton Winblad 1937-3-21 s.n. Riverside Coachella Valley. Comment
  LA204417  Lepidium fremontii Nesta Dunn; A. M. Martin 1932-3-27 sn Riverside Cottonwood Spring Comment
  POM266071  Lepidium fremontii C. L. Hitchcock 1940-4-1 5922 Riverside Cottomwood Springs. Comment
  RSA303559  Lepidium fremontii Jim Shevock 1970-12-13 566 Riverside White Tank, Joshua Tree National Monument. 1177 Comment
  CAS-BOT-BC89583  Lepidium lasiocarpum D. A. Johansen; J. A. Ewan 1932-4-10 7056 Riverside Along diversion canal at mouth of Tahquitz Canyon. 213 Comment
  RSA778243  Lepidium lasiocarpum Duncan S. Bell 2009-3-8 48 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  SEINET3105700  Lepidium lasiocarpum Faulkner 1978-3-15 280 Riverside 1 mile West Hwy 95, 25 miles N of Blythe. 152 Comment
  POM98996  Lepidium lasiocarpum E. C. Jaeger 1926-3-20 s.n. Riverside Pinto Mts. 915 Comment
  SBBG92827  Lepidium lasiocarpum var. lasiocarpum D. Charlton 1988-2-18 1130 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
  UC1929668  Lepidium latifolium Scott D. White 2003-6-9 9524 Riverside PERRIS BASIN: Northeast corner of Devonshire Ave. and Warren Rd., immediately south of Tres Cerritos. Comment
  RSA543880  Lepidium latipes Steve Boyd, Dave Bramlet 1991-5-13 6240 Riverside Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. N of Santa Fe RR tracks, W of San Diego aqueduct. Comment
  UCR112320  Lepidium latipes A. C. Sanders, K. C. Rose 1998-5-21 21865 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
  RSA234057  Lepidium nitidum R. F. Thorne, E. W. Lathrop 1969-5-12 37947 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California. 625 Comment
  RSA0013160  Lepidium virginicum subsp. menziesii LeRoy Gross, Caitlin Elam 2013-5-14 6060 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
  POM139  Lepidium virginicum var. pubescens Street, Durant 1918-5-12 s.n. Riverside San Jacinto River Canyon. Comment
  RSA522758  Lepidium virginicum var. robinsonii Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3865 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  UCR112593  Lepidium virginicum var. robinsonii Mitch Provance 1998-2-17 77 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 396 Comment
  RSA289845  Leptochloa fusca subsp. uninervia B. A. Prigge 1980-9-17 4063 Riverside Coachella Valley Stormwater Channel: E of Munroe St., Indio., Near 33 deg 44'N; 116 deg 14'W. -3 Comment
  CAS-BOT-BC274376  Leptochloa panicea subsp. brachiata Malcom A. Nobs; S. Galen Smith 1948-9-3 489 Riverside 2 miles north of Indio Comment
  UC23414  Leptodactylon californicum A. J. McClatchie May 1892 27 Riverside near Elsinore; near Elsinore Comment
  SEINET7967465 Image available Leptosiphon bicolor Malcolm G. McLeod 1971-6-22 472 Riverside Idyllwild Comment
  POM12799  Leptosiphon ciliatus P. A. Munz 1922-6-23 5765 Riverside Keen Camp, San Jacinto Mountains 1524 Comment
  POM3569  Leptosiphon floribundus subsp. glaber Robinson, Crocker 1916-3-28 s.n. Riverside Santa Ana Mountains. Comment
  RSA152503  Leptosiphon lemmonii R. C. Bacigalupi 1954-5-16 4472 Riverside Along highway 79, near summit of grade about 3/4 miles south of Sage. 762 Comment
  RSA73075  Leptosiphon liniflorus F. W. Peirson 1924-7-2 5032 Riverside Banning to Idyllwild road. 1570 Comment
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Nov 17 2011
  SD3882  Leptosiphon liniflorus Florence Youngberg 1933-8-28 Riverside San Jacinto Mountains; Idyllwild Pines. Comment
  UCR35054  Lewisia rediviva var. minor L. B. Ziegler 1965-5-19 55 Riverside San Jacinto Mtns, Hemet (Garner) Valley, edge of meadow near base of old Morris Ranch Road 1372 Comment
  SEINET3887040  Lilaea scilloides Robert F. Thorne, M. Z. Thorne; Walter Wisura 1978-5-21 51990 Riverside Santa Rosa Plateau: Mesa de Colorado.; 0 610 Comment
  UCR193304  Limosella acaulis A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35600 A Riverside Peninsular Range; San Jacinto Mtns., plateau above head of Johnson Meadow canyon, SW of dogleg in May Valley Rd. 1550 Comment
  UCR21922  Linanthus androsaceus Steve Boyd 1980-4-8 105 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  RSA248726  Linanthus aureus Christopher Davidson 1973-4-19 1987 Riverside Joshua tree Natl. Monument, various sites along the road, 1-10 miles s of Joshua tree. 1220 Comment
  JOTR16799  Linanthus aureus subsp. aureus Walters, Jim 1967-3-14 s.n. Riverside Joshua Tree National Park. PLEASANT VALLEY 1005 Comment
  UCR198186  Linanthus bigelovii Michael Honer, L. Hulse 2004-4-2 1884 Riverside Colorado(Sonora) Desert, Little San Bernardino Mountains. Blind Canyon, c. 0.5 mi north of Desert Hot Springs 488 Comment
  CAS-BOT-BC225695  Linanthus californicus Frank W. Gould 1943-4-18 2142 Riverside Near and above Banning on Idlewild cutoff Comment
  RSA26965  Linanthus californicus C. L. Hitchcock 1940-4-12 6041 Riverside 8 mi. northwest of Elsinore 457 Comment
  RSA751912  Linanthus ciliatus Scott D. White, Justin M. Wood 2009-5-22 12915 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Strawberry Creek and road to sewage ponds. Comment
  RSA773182  Linanthus dianthiflorus Duncan S. Bell, J. D. England 2010-5-27 1133 Riverside San Bernardino National Forest: Garner Valley, approximately 1 air mile southeast of junction of forest service road 6S04 and forest service road 6S13. 1354 Comment
  UC880340  Linanthus dianthiflorus I. W. Clokey and B. C. Templeton 1930-4-9 4678 Riverside n of Banning 900 Comment
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Mar 13 2011
  UC916688  Linanthus dianthiflorus Frank W. Gould 1944-4-4 2217 Riverside 10 mi se Temecula (on Highway 71) Comment
  POM364581  Linanthus dianthiflorus subsp. dianthiflorus Albert J. Perkins 1895-05 s.n. Riverside Near Riverside Comment
  RSA704587  Linanthus jonesii LeRoy Gross 2005-3-3 1587 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  SBBG87714  Linanthus jonesii D. Charlton 1988-2-18 1175 Riverside S side of Cottonwood Wash, 5 mi E of jct Dillon Rd and Fargo Cyn Rd 762 Comment
  UCR75062  Linanthus jonesii A. C. Sanders, E. J. Lawlor 1992-4-4 12127 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA690938  Linanthus liniflorus Scott D. White, Michael Honer 2003-5-27 9406 Riverside Gavilan Hills / Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak 2349. 396 Comment
  UCR269103  Linanthus maculatus Lynn C. Sweet, James Heintz 2016-3-1 001 Riverside Mohave Desert, Desert Hot Springs, near junction of North Indian Canyon Dive and Mission Lakes Blvd 405 Comment
  POM229435  Linanthus pungens subsp. hallii P. A. Munz 1937-5-29 15100 Riverside Edge of Pinyon Flat, Santa Rosa Mts. 1220 Comment
  UCR116408  Linanthus pygmaeus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24181 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
  UCR137500  Linaria canadensis D. L. Banks, V. W. Steinmann 1997-3-13 1525 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  SDSU15057  Linaria maroccana Michael Scott 1986-4-19 15 Riverside Clinton Keith Road, Temecula, Calif. Plant was collected along roadside near the entrance to Santa Rosa Plateau Preserve. Comment
  POM259257  Linum lewisii P. A. Munz 1938-8-14 15381 Riverside East of Toro Peak, Santa Rosa Mts. 2287 Comment
  RSA34591  Linum usitatissimum N. C. Cooper 1944-5-6 1207 Riverside Whitewater Canyon. 457 Comment
  RSA0010978  Lithophragma affine Scott D. White, W. LaHaye 2000-5-27 7940 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  RSA0010987  Lithophragma affine A. C. Sanders 1998-3-11 21681 Riverside North Domenigoni Hills, north of Diamond Valley, near old mine site above San Jacinto Valley, south of end of Warren Rd. 610 Comment
  RSA262105  Lithophragma affine subsp. mixtum E. W. Lathrop 1969-5-8 7015 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  RSA700026  Loeflingia squarrosa Scott D. White, Michael Honer 2003-4-25 9099 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
  UCR167852  Loeflingia squarrosa T. B. Salvato, Melissa Clemons 2005-6-2 1339 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
  UCR60245  Loeflingia squarrosa R. F. Thorne, M. Z. Thorne 1973-3-30 42688 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
  UC880237  Loeseliastrum matthewsii C. L. Hitchcock 1940-3-31 5885 Riverside 1/2 mi. below Cottonwood Spring Comment
  SBBG5940  Loeseliastrum schottii H. and M. Dearing 1937-4-10 1355 Riverside 16 mi N of Indio Comment
  UC32051  Logfia depressa W. G. Wright 1889-1 Riverside Colorado Desert Comment
  UCR85182  Logfia depressa A. C. Sanders, George K. Helmkamp, P. J. MacKay, et al. 1995-3-19 16164 Riverside San Jacinto Mtns foothills/Sonoran Desert, Coachella Valley; alluvial fan of Chino Canyon along the Palm Springs tram road, north of the road, 14 telephone poles above Hwy 111/Palm Canyon Dr. 300 Comment
  CAS-BOT-BC342257  Logfia filaginoides F. W. Peirson 1921-3-22 5277 Riverside Murray Canyon near Palm Springs 487 Comment
  UC1523458  Logfia filaginoides Robert F. Thorne and C. W. Tilforth 1980-5-28 54230 Riverside wash along river ca 3.2 mi n Whitewater P.O. and Hwy 10; San Bernardino Mts., Whitewater River Comment
  UC75867  Logfia filaginoides Miss M. A. King 1893-1 Riverside Menifee Comment
  SEINET251732 Image available Lolium multiflorum Walter Graves 2002-6-11 602 -3 Riverside Riverside: grown at UCR in Agricultural Operations Fields (Riverside East 7.5' Q.:). 305 Comment
  SEINET1869724  Lolium rigidum Walter Graves 2002-1 502 -30 Riverside Riverside: grown at U.C.R. in Agricultural Operations Fields. 305 Comment
  UCR4611  Lomatium utriculatum Frank C. Vasek 1960-4-12 600412- 03 Riverside Peninsular Range, County road S16 (Pala Rd.) between Temecula and Pala, 0.5 mi north of the San Diego Co. line Comment
  RSA97436  Lomatium vaginatum F. W. Peirson 1922-4-29 2932 Riverside South of Lake Elsinore. 381 Comment
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Dec 8 2013
  RSA628481  Lonicera interrupta A. C. Sanders 1994-5-30 14585 Riverside NNE of Beaumont at Highland Springs, hills N of the end of Bellflower Ave. at Dutton St. 950 Comment
  CAS-BOT-BC234805  Lonicera subspicata Victor Duran 1933-7-2 3496 Riverside Vandeventer Flat, Santa Rosa Mts. 1524 Comment
  UCR94946  Lonicera subspicata Scott D. White 1996-8-16 4480 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, SW of Pine Cove & west of Bear Trap Canyon, in watershed above Alvin Meadows, tributary to Toll Road Canyon 1860 Comment
  RSA296118  Lotus B. A. Prigge 1980-8-11 3889 Riverside San Bernardino Mountains, Whitewater Canyon: 1.1 miles N of Interstate 10. 473 Comment
  UCR116899  Lotus argophyllus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24195 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
  UCR33823  Lotus argophyllus Robert McKernan 1980-4-16 s.n. Riverside Whitewater Canyon, 1.4 mi N of Bonnie Bell Comment
  RSA406723  Lotus argophyllus var. argophyllus E. A. Zumbro 1902-4-10 s.n. Riverside Box Springs Mountain, near Riverside Comment
  PASA1086  Lotus grandiflorus Frank W. Peirson 1924-7-27 Riverside Dark Canyon, San Jacinto Mts. 1706 Comment
  UCR41249  Lotus grandiflorus N. M. Fellows 1985-4-9 137 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  JEPS55436  Lotus grandiflorus var. grandiflorus W. L. Jepson 1903-8-8 2293 Riverside Strawberry Valley San Jacinto Mt. 1828 Comment
  RSA282923  Lotus grandiflorus var. grandiflorus C. W. Tilforth, B. Busenberg 1980-6-17 1996 Riverside Along Hiway 74, west of Mountain Center Comment
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Jun 10 2012
  UCR155831  Lotus hamatus John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  UCR225441  Lotus hamatus A. C. Sanders, T. B. Salvato 2011-3-29 38844 Riverside Peninsular Range; Edge of Gavilan Hills, Meadowbrook area, between Perris and Lake Elsinore, along Hwy 74 at Wasson Canyon Rd. and to c. 1/2 between Wasson & Hammack Ave. 500 Comment
  SEINET7048200  Lotus hamatus Steven R. Hill, Andrew C. Sanders 2001-5-4 33710 Riverside Santa Rosa Plateau, eastern rim, north side of Avenida del Oro, just east of junction with Sandia Creek Drive, 2 miles west of junction of Rancho California Road and Route I-15. Elevation 1570 - 1670 feet. 509 Comment
  JEPS55490  Lotus heermannii W. L. Jepson May 17 1901-Jun 1 1901 1255 Riverside e of Florida; San Jacinto River 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
  UCR170125  Lotus heermannii Jeffrey Ross, Sam Lau, Jenny Phui 1998-5-31 102 Riverside San Bernardino Mtns. region, Morongo Indian Reservation; Lion Canyon 756 Comment
  UCR35035  Lotus heermannii L. B. Ziegler 1967-8-2 199 Riverside Peninsular Ranges, San Jacinto Mtns., upper Herkey Creek area 1524 Comment
  UCR93065  Lotus heermannii A. C. Sanders, S. Ogg 1994-7-28 15177 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  RSA792924  Lotus humistratus A. C. Sanders 2011-4-7 39033 Riverside Temescal Canyon, between Horsethief Canyon and Glen Eden, along I-15 Frontage Rd., SE of Lee Lake 381 Comment
  RSA498775  Lotus oblongifolius E. C. Jaeger 1921-6-11 s.n. Riverside Idyllwild 1585 Comment
  RSA498788  Lotus rigidus Frances L. Cramer 1941-5-3 s.n. Riverside Joshua Tree National Monument Comment
  UCR167793  Lotus salsuginosus T. B. Salvato, Melissa Clemons 2005-6-23 1320 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  UCR192716  Lotus scoparius subsp. brevialatus A. C. Sanders, Mike Misenhelter 2008-6-10 35448 Riverside San Bernardino Valley, Glen Avon, San Sevaine Wash south of Hwy 60 and of San Sevaine Way, east of concrete channel 231 Comment
  UCR233580  Lotus scoparius subsp. brevialatus A. C. Sanders, John F. Green 2012-4-12 40040 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, c. 370 m NW of El Hermano Rd. 312 Comment
  RSA406322  Lotus strigosus Dorothy R. Wolf 1932-3-20 2 Riverside Richman Ranch 2.5 mi N of De Luz. SW. 457 Comment
  UCR225719  Lotus strigosus A. C. Sanders 2011-3-30 38908 Riverside Peninsular Range, city of Lake Elsinore, along north edge of Hwy 74 at and above Trellis Lane 457 Comment
  UCR234803  Lotus strigosus Jim Andre, Glenn L. Clifton 2011-2-22 17474 Riverside Coachella Valley, North Palm Springs c. 0.3 mi north of Hwy 111, at corner of San Rafael and Virginia Street 189 Comment
  UCR84593  Lotus strigosus Scott D. White, S. Ogg 1994-4-21 1975 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  RSA644225  Lotus strigosus var. strigosus V. W. Steinmann, M. T. Wedlake 1995-4-8 656 Riverside Along Hwy. 111, 1 km northwest of Palm Springs (measured from the intersection with San Rafael Dr.). 215 Comment
  UCR116827  Lotus strigosus var. tomentellus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23928 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  RSA406374  Lotus tomentellus N. C. Cooper 1936-1 2164 Riverside West side of Colorado Desert. 30 Comment
  POM3166  Ludwigia peploides subsp. peploides D. L. Crawford, I. M. Johnston 1917-6-9 1221 Riverside Santa Ana River near Corona Comment
  CLARK-A1528-2817  Lupinus arizonicus John C. Roos 1948-5-15 3847 Riverside Eagle Mountains Comment
  POM349941  Lupinus arizonicus N. R. Zabriskie, Walter M. Zabriskie 1973-3-20 591 Riverside Coyote Canyon, tributary to Deep Canyon, N slope Santa Rosa Mtns. 366 Comment
  RSA23217  Lupinus arizonicus Ernest Braunton 1940-4-3 2009 Riverside 25 miles Northeast of Indio. Comment
  SEINET6180888  Lupinus arizonicus D. W. McNeal 1980-4-18 2305 Riverside Beside Hwy. #195 in Mecca Canyon, 9.6 mi. sw. of the jct. of Interstate #10.; 0 Comment
  SJSU1877  Lupinus arizonicus J. W. Tilden 1957-4-18 1093 Riverside near Whiteater, E of San Gorgonio Pass Comment
  UCD105828  Lupinus arizonicus Donald Myrick 1966-4-2 1355 Riverside at upper end of Aqueduct Road, southeast of Desert Hot Springs. 1219 Comment
  UCR1530  Lupinus arizonicus W. R. Moberly 1962-3-25 620325- 01 Riverside Western Colorado Desert, Coachella Valley, 5 mi north of 1000 Palms, along old Hwy 99 305 Comment
  SEINET10488550  Lupinus arizonicus Duane Isely, Wendell H. Bragonier 1960-3-22 Isely 7203 Riverside Roadside, edge of Desert Palms. Comment
  SDSU13985  Lupinus bicolor Michael G. Simpson 2000-4-30 2080 Riverside Disturbed grassy field ssw of Southside field station (Henderson House), Santa Margarita Ecological Reserve (SDSU). 122 Comment
  UC495199  Lupinus bicolor Philip A. Munz 1932-3-24 12017 Riverside Corona 365 Comment
  UCR107405  Lupinus bicolor B. G. Pitzer 1997-3-23 2989 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
  UCR41216  Lupinus bicolor N. M. Fellows, A. C. Sanders 1985-4-9 135 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  UCR86884  Lupinus concinnus A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16287 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
  HSC85266  Lupinus densiflorus var. austrocollium Steve Boyd 1986-4-22 1763 Riverside W side of Indian Wash, S of I-15 Comment
  RSA160413  Lupinus formosus J. D. Olmsted 1959-9-23 994 Riverside 2.5 miles south of Hemet Lake on Hwy 74 near road to Thomas Mt. trhough Garner ranch, San Jacinto Mts, Helmet Lake Drainage 1387 Comment
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Apr 1 2011
  UCR2890  Lupinus hirsutissimus Paul W. White 1963-5-11 51163- 14 Riverside Peninsular Ranges/ San Jacinto Mountains, 5 mi. east of Cranston Ranger Station on State Hwy 74 out of Hemet 915 Comment
  RSA442334  Lupinus hyacinthinus George R. Johnston 1928-9-3 s.n. Riverside San Jacinto Mt. 3277 Comment
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Jul 6 2008
  RSA719792  Lupinus hyacinthinus Naomi S. Fraga, Ilene Anderson, Mike Hamilton, Michael Wall, Gary D. Wallace 2006-9-7 1738 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  RSA13144  Lupinus latifolius subsp. parishii Percy C. Everett 1935-6-18 7191 Riverside Santa Ana Mts., main divide motorway to Santiago Park., 1 mi. from Ortega Highway. 732 Comment
  JEPS65269  Lupinus latifolius var. parishii W. L. Jepson 1903-8-6 2276 Riverside Dark Canyon San Jacinto Mt. (San Jacinto Mt.); , Dark Canyon 1524 Comment
  RSA659050  Lupinus microcarpus var. microcarpus R. Riggins 1982-4-15 1341 Riverside Guava St. (Deluz Rd.) 0.4 mi S jct. Washington Ave. in Murrietta. Comment
  RSA613631  Lupinus sparsiflorus D. L. Banks, Victor W. Steinmann 1997-3-13 1486 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
  SBBG3695  Lupinus sparsiflorus H. and M. Dearing 1949-4-9 6745 Riverside Joshua Tree Nat Monument Comment
  UC68636  Lupinus sparsiflorus H. M. Hall Apr 1905 5759 Riverside Palm Springs; Colorado Desert 152 Comment
  UCR2955  Lupinus sparsiflorus D. L. Flaherty 1963-5-2 150 Riverside Peninsular Range, 1 mi. west of Lakeland Village, NW end of Lake Elsinore, on Hwy 74, in Cleveland National Forest. 396 Comment
  SEINET13198373 Image available Lupinus succulentus A. G. Vestal 1947-3-29 s.n. Riverside Comment
  UCR241385  Lupinus succulentus T. B. Salvato, Mike Landers 2013-3-21 7384 A Riverside Perris-Aguanga Basin, Murrieta, between Hwy 215 and State Route 79 (Winchester Rd), 0.23 mi east of the intersection of Keller Rd and Menifee Rd 470 Comment
  POM13933  Lycium andersonii Philip A. Munz 1922-3-12 4710 Riverside Andreas Canyon, Palm Springs. [Santa Rosa Mtns., W margin Colorado Des -SW] Comment
  UCR103780  Lycium barbarum Scott D. White 1994-10-21 2506 Riverside Temecula Valley, Murrieta Creek channel downstream from Santa Gertrudis Creek confluence. south of bridge at Winchester; north of Long Valley Rd. 305 Comment
  SEINET10546455  Lycium brevipes Chris Dietrich, Mary Merello; Heidi H. Schmidt 1994-4-13 Dietrich 29 Riverside 7.5 miles south of North Shore on State Highway 111. Along highway on east shore of Salton Sea. Sandy beach soil with creosote bush common. 40 Comment
  UC1004769  Lycium brevipes E. C. Jaeger 1939-12-29 Riverside 5 mi e Indio (Eytel Canyon branching from Fargo Canyon); Fargo Canyon, Eytel Canyon 243 Comment
  RSA0048363  Lycium cooperi A. Lee Haines 1974-4-10 s.n. Riverside Cottonwood Springs, Cottonwood Canyon. 914 Comment
  UCR42411  Lycium fremontii J. M. Stewart 1986-1-27 86 11 Riverside Sonoran (Colorado) Desert, Hidden Spring Canyon, Mecca Hills, at jct of two washes on NW side. Comment
  UCR116479  Lythrum hyssopifolia A. C. Sanders, T. B. Salvato 2001-5-25 24379 Riverside San Jacinto Valley, west end of Hemet-Ryan airport runway, 50-200 m east of Warren Rd. and 100-200 m north of Stetson Ave. 457 Comment
  IRVC27407  Machaeranthera canescens A. C. Sanders, Scott D. White, C. L. Sanders 1994-12-18 15897 Riverside eastern edge of San Jacinto, Mountain Avenue at Esplanade Avenue, 2.4 mi. NW of Hwy 74 on Mountain Ave. San Jacinto Valley 490 Comment
  UCR114746  Maclura pomifera A. C. Sanders, K. C. Rose 1999-6-18 22799 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave., 1/2 mile south of Rawson Rd. 439 Comment
  RSA585872  Madia exigua D. L. Banks, S. D. Boyd 1995-5-9 0357 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, W of the Dripping Springs Alcove, W of Woodchuck Campground. 793 Comment
  UC33207  Madia gracilis H. M. Hall 1901-6-11 2040 Riverside San Jacinto Mts. 1341 Comment
  RSA452618  Mahonia Thekla Mohr 1920-5-1 s.n. Riverside Ivy Canyon, Temescal. Comment
  RSA0008554  Mahonia nevinii Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 3001 Riverside Vail Lake area, Temecula Creek Cyn below Vail Lake Dam 457 Comment
  SD140083  Malacothamnus densiflorus Scott White 1993-4-22 1240 Riverside North Alberhill Ranch, in hills N of Walker Canyon Comment
  RSA747962  Malacothrix clevelandii Justin M. Wood 2009-5-11 706 Riverside McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  RSA95026  Malacothrix coulteri F. W. Peirson 1922-4-29 2959 Riverside Roadside 2 miles south of Elsinore Comment
  CLARK-A1656-698  Malacothrix glabrata Theo Glenn 1979-3-9 Riverside Palm Springs Comment
  RSA0065860  Malacothrix glabrata Cheryl Sevilla, Sarah J. De Groot 2015-3-16 22 Riverside Transverse Ranges, San Bernardino Mountains region: San Gorgornio Wilderness Area; just west of Mission Creek; 0.8 miles northwest of the Stone House. 811 Comment
  RSA554298  Malacothrix glabrata Dave Kelly 1992-3-11 92 -14 Riverside Hwy I-10, ca. 20 mi E of Indio. Comment
  RSA739852  Malacothrix glabrata J. L. Strother 2008-3-10 1369 Riverside 18km (11miles) W of Chiriaco Summit, along N frontage of I10. 420 Comment
  UCR133951  Malacothrix glabrata Mitch Provance, J. S. Ross 1998-3-27 MOR- 978 Riverside San Bernardino Mtns., Morongo Indian Reservation, road 5501 towards Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 671 Comment
  UCR89805  Malacothrix saxatilis Scott D. White 1993-5-27 1418 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  CAS-BOT-BC348023  Malacothrix stebbinsii Annie M. Alexander; Louise Kellogg 1941-5-7 2129 Riverside 12 miles southwest of 29 Palms, Joshua Tree National Monument 1310 Comment
  SD193212  Malosma laurina A. C. Sanders, Kelly Volansky 2005-8-31 31593 Riverside Santa Ana Mountains 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 Road., ca. 0.5 mile north of Tenaja Rd. 671 Comment
  RSA92732  Malosma laurina J. C. Roos, Lucille Roos 1954-7-10 6191 Riverside North side Pigeon Pass, Box Springs Mountains. 488 Comment
  CAS-BOT-BC421493  Malva parviflora L. Nye; G. Gust 2005-3-11 63 Riverside Lake Elsinore. Intersection of Malaga and Mission Trail Rd. 398 Comment
  SEINET7048009  Malva parviflora Steven R. Hill, Kate Kramer 2001-4-27 33476 Riverside Cabazon, Morongo Indian Reservation, at Hadley's Orchard Store, junction of Apache Trail and Seminole Drive, north of Route I-10, Apache Trail Exit, 4 miles east of Banning. Elevation about 1837 feet. Comment
  UCR40136  Malvella leprosa Steve Boyd 1985-8-7 1120 Riverside Santa Rosa Plateau, Murrieta area, Clinton Keith Rd. near (just east of) Bear Creek golf course Comment
  POM316964  Mammillaria dioica Edward Anderson 1962-2-24 1836 Riverside On the Palms to Pines highway out of Palm Springs. Northeast of the road amoung the rocks near a pull-put by a drinking fountain. San Jacinto Mountains. Comment
  SEINET272157 Image available Marah macrocarpa A. C. Sanders 1997-4-1 19755 Riverside Box Springs Mountains: E side of Pigeon Pass Valley about 0.5 mile Nw of Lawless Ranch E of Hidden Springs Rd. intersection with Pigeon Pass Rd. 580 Comment
  UC28952  Marah macrocarpa W. H. Brewer Jan, 1861 150 Riverside Temescal Mountains Comment
  UCR104912  Marah macrocarpa A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20668 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  UCR162643  Marah macrocarpa S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR88424  Marah macrocarpa A. C. Sanders, K. C. Rose 1995-4-5 16359 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  CAS-BOT-BC216180  Marina parryi Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring Comment
  POM184542  Marina parryi C. Leo Hitchcock 1932-4-7 12205 Riverside Corn Springs. Comment
  RSA55410  Marina parryi Theo Glenn 1991-5-20 91 -99 Riverside Colorado Desert, Arica Mts, SW of Rice. 320 Comment
  RSA600125  Marina parryi L. C. Wheeler 1959-12-27 7641 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
  UCR245965  Marina parryi Duncan S. Bell 2009-3-9 101 Riverside Arica Mountains, SE section of the range, c. 1.2 air miles from Priest Well, or c. 6.5 air miles SW of ghost town of Rice 307 Comment
  SEINET8732765 Image available Marrubium vulgare Jean Coulson 1959-1 s.n. Riverside San Jacinto Mts.; S. Side of N. Fork of San Jacinto on W. side of Highway 74 Comment
  SEINET5560804  Matricaria matricarioides H. S. Gentry, Bruce Gentry 1973-1 23191 Riverside Gentry Ranch, 3.5 miles NE of Murrieta. 396 Comment
  UCR126979  Matricaria matricarioides A. C. Sanders, T. B. Salvato 2003-5-9 26581 Riverside San Jacinto Valley, west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  CLARK-A1528-507  Medicago lupulina var. cupaniana D. H. Eslinger 1970-5-27 Riverside Riverside 335 Comment
  UCR95244  Melaleuca citrina D. L. Banks, E. H. Banks 1996-5-2 956 Riverside Agua Tibia Mountains, NW Palomar Mountains; NW foothills of Dorland Mtn, S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage 524 Comment
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Jun 5 2006
  RSA512168  Melia azedarach Ed LaRue 1989-5-4 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; At McViker Canyon. 488 Comment
  UCR19350  Melica frutescens John C. Roos 1965-6-13 s.n. Riverside San Jacinto Mtns, W base of the mountains, east of Hemet Comment
  CLARK-A1528-5187  Melica imperfecta John C. Roos 1950-4-29 4772 Riverside Box Springs Mountains 609 Comment
  RSA180508  Melica imperfecta E. W. Lathrop 1965-5-9 5722 Riverside 6 miles W of Murrieta Comment
  RSA659631  Melica imperfecta J. C. Roos 1950-4-4 4754 Riverside The summit of Reche Canyon. On 2 year old burn, steep West slope, 0.5 mi. N.E. of the summit. 793 Comment
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Apr 3 2011
  SBBG34982  Melica imperfecta T. L. Secrest 1951-5-21 Riverside 3 mi S of Banning 1066 Comment
  SEINET7073348  Melica imperfecta A. G. Vestal 1963-4-29 s.n. Riverside South Mesa on Tenaja Grande (Tenaja Trunk Road), Santa Ana Mountains. Cleveland National Forest. Coordinate datum: NAD27. Comment
  UCR178350  Melica imperfecta Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 1057 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  CSUSB1115  Melilotus indicus Dick Bernier 1966-3-29 Riverside along infield of UCR campus track in city of Riverside 304 Comment
  UC65738  Melilotus indicus N. K. Berg 1904-3-4 Riverside San Jacinto Comment
  UCR107766  Mentha D. L. Banks 1997-11-15 2194 Riverside NW Palomar Mtns, Agua Tibia Mtns: N face of Dorland Mtn, on the north side of the Dorland Mtn Arts Colony. Along the margins of a small man-made pond. 549 Comment
  RSA709854  Mentzelia Sarah J. De Groot, Leland Lubinsky, Naomi S. Fraga, Lisa Rojas 2005-2-10 4637 Riverside Along Palen Pass Road, sandy area near Palen/McCoy Wilderness boundary. Bajada of mountains, just north of Palen Lake (dry). 170 Comment
  SEINET3094596 Image available Mentzelia Norman C. Cooper 1949-4-8 3345 Riverside Blythe. Comment
  JOTR30972  Mentzelia albicaulis La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1945 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  RSA457752  Mentzelia californica Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Tim S. Ross 1988-3-10 2113 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  UCR8577  Mentzelia dispersa Heidi A. Haid 1969-5-14 s.n. Riverside San Jacinto Mtns., 7 miles up Bautista Canyon from Fairview Avenue, Valle Vista 915 Comment
  RSA0040091  Mentzelia involucrata Duncan S. Bell, Deidre Conocchioli 2014-3-18 6261 Riverside Orocopia Mountains; southern/central section of range; approximately 0.75 air mile northwest of Gucci Spring. 483 Comment
  SEINET185935  Mentzelia involucrata Philip A. Munz 1940-3-22 15662 Riverside Whitewater Canyon 2 miles north of Indio-Banning Highway Comment
  UCD117239  Mentzelia involucrata C. L. Hitchcock 1966-3-16 24211 Riverside along Palms to Pines Highway, 4 miles south of Palm Desert. 609 Comment
  POM126251  Mentzelia involucrata var. megalantha Thomas Craig 1927-4-2 25 Riverside Canyon near Hidden Springs. Comment
  UCR102947  Mentzelia obscura George K. Helmkamp 1998-4-4 3163 Riverside Sonoran (Colorado) Desert, 7.1 miles north of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station 305 Comment
  RSA282494  Mentzelia ravenii H. J. Thompson 1954-4-24 1613 Riverside 6.6 miles S of road to Lake Mathews on Hwy 71, 11 miles S of Corona, 3.8 miles N of Alberhill. 274 Comment
  RSA654612  Mentzelia veatchiana Bruce Albert 1982-4-17 78 Riverside Field north of Santa Rosa road, 5.7 miles east of Lake Mathews Road. Comment
  UCD170894  Mercurialis annua O. F. Clarke 2011-4-10 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus. 365 Comment
  RSA608540  Microseris douglasii subsp. platycarpha D. E. Bramlet 1993-3-30 2299 Riverside Siegal Ranch Road, approx. 95 m S of Cajalco Road and 976m E of the intersection of Cajalco Rd. and Sierra Ave. The site was located some 20 m W of Siegal Ranch Road. 451 Comment
  RSA652926  Microseris heterocarpa A. C. Sanders 1997-5-1 20626 Riverside Along horse trail in southern part of Lake Skinner Park, west of Tucalota Hills and east of Warren Rd. 488 Comment
  SDSU13909  Mimetanthe pilosa Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2147 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, extreme southern end of northern most (narrow) deer grass meadow. 646 Comment
  SDSU10753  Mimulus aurantiacus Stan Mather 1938-5-13 Riverside Lake Elsinore Grade. Comment
  RSA552757  Mimulus aurantiacus var. puniceus Steve Boyd, Tim S. Ross, Orlando Mistretta 1992-3-31 6743 Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 670 Comment
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Sep 16 2007
  UC943922  Mimulus aurantiacus var. puniceus H. E. McMinn, M. Van Rensselaer 1945-6-7 1890 A Riverside Indian Canyon Truck Trail, e slope of mts. Santa Ana Mts. 792 Comment
  UCR72232  Mimulus bigelovii Theo Glenn 1991-5-24 91- 130 Riverside Sonoran (Colorado) Desert, Palen Mtns, NE of Desert Center 399 Comment
  RSA27934  Mimulus bigelovii var. bigelovii C. L. Hitchcock 1940-3-29 5857 Riverside Cottonwood Canyon, ca. 100 yards east of Spring. Comment
  RSA444559  Mimulus bigelovii var. bigelovii Walter Wisura 1988-3-13 4204 Riverside Box Canyon. Comment
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Nov 3 2011
  JEPS9935  Mimulus brevipes W. L. Jepson 1935-4-21 17161 Riverside Wisser Valley Comment
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Apr 7 2009
  SEINET3079201 Image available Mimulus brevipes Marc Mittleman 1982-5-25 Riverside Gentry Experimental Farm, Los Alamos Road, Murietta, Ca. 366 Comment
  UC1012086  Mimulus brevipes F. W. Pennell and A. L. Grant 1940-4-28 25275 Riverside 7-8 mi e Hemet (Route 74) 548 Comment
  UCR157952  Mimulus brevipes T. B. Salvato, A. C. Sanders 2005-5-17 931 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
  RSA570551  Mimulus clevelandii Steve Boyd, Chris Frazier 1993-4-24 8010 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
  UCR35245  Mimulus fremontii var. fremontii L. B. Ziegler 1967-6-18 221 Riverside San Jacinto Mtns., SW slope of Thomas Mountain at edge of Cahuilla Valley 1341 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
  CSUSB1907  Mimulus puniceus R. Pirot 1975-4-20 Riverside Juniper Flats Road and Highway 74 at Homeland. 548 Comment
  RSA650913  Mimulus puniceus Carol Zuck 1981-2-16 39 Riverside On [Hwy] 74, 14.8 miles southest of Santa Rosa Rd. overlooking Elsinore. Comment
  HSC85271  Minuartia douglasii Steve Boyd 1986-4-22 1773 Riverside Temescal Canyon, E side of Indian Wash, S of I-15 Comment
  UCR102757  Mirabilis bigelovii B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3579 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  JOTR16749  Mirabilis bigelovii var. bigelovii Dengler, A. 1966-5-31 116 Riverside Joshua Tree National Park. LOST HORSE VALLEY 1280 Comment
  SEINET7907889  Mirabilis californica D. A. Johnson 2005-1 Riverside 1 mi E of CA 74 on River Rd, between Perris & Lake Elsinore 488 Comment
  SD237523  Mirabilis laevis A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37468 Riverside Sonoran (Colorado) Desert: SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak. 203 Comment
  SDSU13835  Mirabilis laevis var. crassifolia W. Miller with C. Mosse 1972-7-12 Riverside Comment
  SJSU4253  Mirabilis laevis var. crassifolia G. B. Youngberg 1956-3-29 216 Riverside by Lake Matthews, Arlington c. 8 mi E of Corona Comment
  JOTR32475  Mirabilis laevis var. villosa Herskovits, Tasya, M. Harding 2011-5-20 11 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Ryan Mountain; Rocky slopes bordering Ryan Mountain Trail (Stop 2) 1524 Comment
  SD225032  Mirabilis tenuiloba A. C. Sanders, G. Helmkamp 1996-3-17 17990 Riverside Coachella Valley: Palm Spring, mouth of Palm Cyn., ca. 0.5 km E of Palm Canyon Dr. on Bogert Trail. 163 Comment
  JOTR36445  Mohavea confertiflora La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3415 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  RSA758321  Mohavea confertiflora Doug Goldman 2005-3-3 3024 Riverside Box Canyon, along the west side of Box Canyon Road, around 10 miles southwest of the intersection with Interstate 10 and around 0.7 miles southeast of Blake Hill 268 Comment
  UC1063092  Mohavea confertiflora H. S. Yates 1937-3-23 6429 Riverside Painted Canyon 121 Comment
  UCR86859  Mohavea confertiflora A. C. Sanders, K. C. Rose 1995-4-27 16740 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
  CAS-BOT-BC226237  Monardella A. C. Sanders; Mark Elvin 2001-8-17 24595 Riverside Mojave Desert, Little San Bernardino Mtns: trail from Key's [Keys] View to Inspiration Point, Joshua Tree National Park 1646 Comment
  POM48962  Monardella australis subsp. australis P. A. Munz, J. M. Johnston 1924-7-27 8734 Riverside Deer Springs, San Jacinto Mountains 2470 Comment
  RSA83412  Monardella australis subsp. australis F. W. Peirson 1924-7-27 4993 Riverside Near lower part of Deer Springs, Dark Canyon, San Jacinto Mts. 2591 Comment
  CAS-BOT-BC220025  Monardella breweri subsp. lanceolata John Thomas Howell 1927-8-2 2910 Riverside Idyllwild, Strawberry Valley, Mt. San Jacinto 1676 Comment
  RSA401571A  Monardella lanceolata var. lanceolata Albert J. Perkins 1916-9-20 s.n. Riverside Tahquitz Valley. Comment
  LA96111  Monardella nana Elizabeth McClintock; 1940-5-26 11 Riverside about 1.5 mi. W of Pinon Flats, Pines to Palms Highway Comment
  RSA651093  Monardella nana subsp. arida Harold Lint 1958-5-25 2033 Riverside East of Pinyon flats campground. Pines to Palms Hwy [Hwy 74]. Comment
  RSA651654  Monardella nana subsp. arida Elizabeth McClintock, M. McClintock, D. Weiner 1941-7-11 103 Riverside Black Mnt, 0.5 mile beyond Black Mnt Spring. Comment
  RSA750405  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 68 Riverside 1.5 miles E of Ribbonwood. Pines to Palms Highway. Comment
  RSA750412  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 59 Riverside Road to Santa Rosa Mt. 0.9 miles above Pines to Palms Highway. Comment
  SEINET2442171  Monardella nana subsp. arida Unknownnown 1941-6-29 80 Riverside Road up Santa Rosa Mt. 51/2 miles beyond canyon where stream crosses road. Comment
  POM12850  Monardella nana subsp. tenuiflora P. A. Munz 1922-6-26 5833 Riverside Santa Rosa. 1738 Comment
  RSA249833  Monardella nana subsp. tenuiflora Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38093 Riverside San Jacinto Mountains: San Bernardino National Forest. Above James Reserve in Hall Canyon. 1677 Comment
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Dec 19 2007
  RSA737703  Monardella nana subsp. tenuiflora C. Epling, Wm. Robinson 1935-6-30 s.n. Riverside Fuller s Mill Camp. Comment
  RSA0102803  Monolepis nuttalliana Duncan S. Bell, Kay Evelina Lewis-Jones, Isaac Marck, Evan Meyer 2015-4-23 8102 Riverside Rice Valley, to the east of the Arica Mountains, about 6 air miles south southeast of the ghost town of Rice. 211 Comment
  RSA640205  Monolepis nuttalliana R. S. Woglum 1939-3-21 2176 Riverside Sonoran Desert: Mecca; north of Salton Sea. Comment
  JOTR32860  Monoptilon bellidiforme La Doux, Tasha, E. Babich 2008-3-5 3007 Riverside Joshua Tree National Park. NW Eagle Mountains, approx. 2 mi NE of Cottonwood Visitor Center Comment
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Oct 12 2013
  CAS-BOT-BC349803  Monoptilon bellioides Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring 60 Comment
  POM159820  Monoptilon bellioides E. C. Jaeger 1926-3-24 s.n. Riverside Pinto Mts, Colorado Desert. Comment
  POM363590  Monoptilon bellioides Gus Gluechert 1937-4-24 s.n. Riverside San Jacinto Mts Comment
  POM363605  Monoptilon bellioides Anstruther Davidson 1903-5-1 s.n. Riverside Thermal Comment
  RSA0118056  Monoptilon bellioides Sarah J. J. De Groot, Thomas Stoughton 2016-2-18 7613 Riverside Mecca Hills: side canyon (east fork) of Painted Canyon. 182 Comment
  RSA0123369  Monoptilon bellioides Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9035 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
  RSA517247  Monoptilon bellioides Steve Boyd, Orlando Mistretta 1986-3-13 1461 Riverside West side Palen Mts.: NE of Desert Center. Comment
  RSA701041  Monoptilon bellioides Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11285 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
  SBBG25114  Monoptilon bellioides D. Myrick 1966-4-1 1325 Riverside Linda Vista Lodge, Desert Hot Springs Comment
  UCSB37409  Monoptilon bellioides Gordon, Patricia 1980-5-18 Riverside Chuckwalla Mtns., Corn Springs Wash 457 Comment
  JOTR00922  Monoptilon bellioides Sipe, Frank 1958-3-7 249 Riverside Joshua Tree National Park. NEAR CHOLLA PATCH Comment
  SEINET10800992  Monoptilon bellioides David B. Dunn 1948-3-14 Dunn 3773 Riverside Found in flat open sands near Hidden Springs Ranch 5 miles south of the Indio Hills in the Colorado Desert. Comment
  RSA357119  Montia fontana R. F. Thorne 1973-5-23 45520 Riverside Santa Rosa Plateau-Mesa De Colorado: Wet margin of vernal marsh 609 Comment
  POM13069  Muhlenbergia filiformis E. C. Jaeger 1921-6-24 s.n. Riverside Long Valley Comment
  UCR138613  Muhlenbergia filiformis L. C. Wheeler 1961-6-24 7908 Riverside San Jacinto Mountains, Fulmor Lake Comment
  UCR2588  Muhlenbergia microsperma F. M. Reed 1917-5-19 3857 Riverside Sonoran (Colorado) Desert, Palm Canyon, near palm grove Comment
  RSA0049531  Muhlenbergia microsperma J. C. Roos 1952-4-9 5507 Riverside East face Mt. Rubidoux. 365 Comment
  SD247290  Muhlenbergia porteri A. C. Sanders 2015-9-11 41869 Riverside Sonoran (Colorado) Desert: Bradshaw Trail at border of Chocolate Mountains Aerial Gunnery Range, 2.25 miles east of Gasline road (Red Canyon 7.5'Q) 646 Comment
  UC69353  Muhlenbergia richardsonis H. M. Hall 1901-6 2428 Riverside Tauquitz Valley San Jacinto Mountains Comment
  UCD87002  Muhlenbergia rigens A. A. Beetle 1944-4-27 3004 Riverside West of Murietta. Comment
  CLARK-A1528-14  Muilla maritima C. M. Flanagan 1973-5-20 OO 506 Riverside Morongo Indian Reservation 1188 Comment
  RSA771658  Muilla maritima Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4910 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
  SBBG35235  Muilla maritima T. L. Secrest 1951-5-18 Riverside San Jacinto River bed near Hemet Comment
  SD173293  Myriopteris parryi Melvin M. Sweet 2005-4-14 123 Riverside Anza-Borrego State Park; about 1.5 km NE of Middle Willows in Coyote Canyon; on hill on east side of Coyote Wash 634 Comment
  RSA339703  Nama demissa Robert F. Thorne, C. W. Tilforth 1980-5-28 54249 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  RSA79156  Nama demissa P. A. Munz, P. C. Everett 1952-5-2 16252 Riverside 2 miles west of Desert Hot Springs. 183 Comment
  UCR148478  Nama demissa John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  UCR233163A  Nama demissa var. demissa Jim Andre, Glenn L. Clifton 2011-2-22 17448 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  POM263110  Nassella cernua J. C. Roos 1937-5-10 430 Riverside Perris Comment
  UCD88062  Nassella cernua A. C. Sanders; Mark Elvin, Julie M. Vanderwier 2002-4-22 24985 Riverside upper Laborde Canyon, SW of Beaumont. 670 Comment
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Apr 2 2011
  POM158438  Nassella lepida P. A. Munz 1927-5-21 10882 Riverside 10 miles SW of Coahuila [now Cahuilla] Comment
  RSA575825  Nassella lepida Steve Boyd 1981-4-29 s.n. Riverside Gavilan Hills region, western flank of Estelle Mountain above entrenched meander of Temescal Creek, northwest of Lee Lake. 366 Comment
  RSA501006  Nassella pulchra Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3124 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
  RSA736254  Nassella pulchra Scott D. White, Justin M. Wood 2008-4-3 11794 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan property, Alberhill area. 274 Comment
  UCR92336  Navarretia atractyloides Scott D. White, M. D. Wilcox 1995-7-13 3476 Riverside Santa Ana Mtns., Unnamed canyon c. 0.25 mi. SW of Grand Ave., Lake Elsinore, directly downslope from hairpin turn on State Hwy 74. 488 Comment
  RSA67049  Navarretia hamata Verne Grant, Alva Grant 1951-6-4 16012 Riverside 2 mi. s. of Temecula on Hwy 395 335 Comment
  SD73475  Navarretia prostrata Earl W. Lathrop 1969-5-19 7053 Riverside Sanat Ana Mountains: 8 miles west of Murrieta, Mesa de Colorado of the Santa Rosa Plateau Comment
  RSA735226  Nemacladus Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah DeGroot, Valentin Arvizu, Tim Thibault 2004-5-14 11250 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  RSA659773A  Nemacladus glanduliferus J. C. Roos 1947-3-15 3354 Riverside Mouth of Deep Canyon. Santa Rosa Mtns 366 Comment
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Apr 3 2011
  RSA777398  Nemacladus glanduliferus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 786 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  SEINET7063230  Nemacladus longiflorus 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
  RSA0126448  Nemacladus longiflorus Henry J. Ramsey, Henry Ramsey 1937-5-30 2133 Riverside Santa Rosa Mountains. Comment
  SEINET10458391  Nemacladus longiflorus Barbara J. Ertter, Jeffrey Strachen 1979-6-26 Ertter 2976 Riverside Kenworthy Forest Station on Rt. 74 in Garner Valley, San Jacinto Mountains. T6N R3E Sec. 25 Comment
  RSA0126423  Nemacladus longiflorus var. longiflorus F. W. Peirson 1922-4-28 2920 Riverside Temescal Canyon. 335 Comment
  RSA0121062  Nemacladus orientalis Duncan S. Bell, Thomas Stoughton 2016-3-16 8949 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central/southeastern section of range, approximately 2.5 air miles north of Gucci Spring. 511 Comment
  POM97115  Nemacladus pinnatifidus P. A. Munz 1925-5-20 9839 Riverside 2 miles west of Dripping Springs. 396 Comment
  SEINET10461015  Nemacladus pinnatifidus Hall 1901-1 Hall s.n. Riverside Comment
  CAS-BOT-BC416315  Nemacladus ramosissimus A. C. Sanders 1998-6-10 21980 Riverside San Jacinto Mtns.: FS road 6S13 toward Thomas Mtn., 1.3 mi. above Hwy 74 in Garner Valley at a point 3.1 mi E of Keen Camp Summit, ca 1 mile due south of Lake Hemet 1463 Comment
  SEINET10461026  Nemacladus ramosissimus Boyd 1986-4-22 BOYD 1770 Riverside Temescal Canyon: terrace escarpment east side of Indian Wash, south of I-15 Comment
  SEINET10461122  Nemacladus rubescens Annie M. Alexander, Louise Kellogg 1941-4-24 Alexander 2085 Riverside Gorge of Dry Morongo Creek, Morongo Valley 640 Comment
  POM68091  Nemacladus rubescens var. tenuis Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  UCR279599  Nemacladus tenuis var. aliformis A. C. Sanders, Jim Malusa 2017-3-28 43138 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
  OBI42757  Nemophila menziesii Roberta H. Smith 1969-4-12 2 Riverside Box Springs mts, NW slope of hill, SE of UCR 366 Comment
  UC24227  Nemophila menziesii Mrs. Gregory 1890-1 Riverside San Jacinto Comment
  UCR107385  Nemophila menziesii B. G. Pitzer 1997-3-23 2961 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
  UCR122524  Nemophila menziesii George K. Helmkamp, E. A. Helmkamp 2001-5-20 6676 Riverside San Jacinto Mountains., Apple Canyon Rd, 1.5 mi NE of CA-74 1463 Comment
  UCR241489  Nemophila menziesii Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 250 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  POM312147  Nemophila menziesii var. integrifolia N. C. Cooper 1944-5-20 1310 Riverside Palms to Pines Highway [Hwy. 74], San Jacinto Mountains. 1372 Comment
  UCR166191  Nicotiana clevelandii Nathan Moorhatch, John F. Green, Ted Rado 2005-4-19 s.n. Riverside Sonoran (Colorado) Desert, Desert Hot Springs, Desert Dunes Golf Course (SW corner) just east of Palm Ave. Approximately 0.5 miles north-east of Seven Palms Ranch 226 Comment
  RSA777341  Nicotiana glauca Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4712 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119. 604 Comment
  UCR132745  Nicotiana obtusifolia Scott D. White 1993-2-5 1044 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, Tahquitz debris basin at base of Tahquitz Canyon, off Sunnydunes Drive 183 Comment
  RSA0018759  Nicotiana obtusifolia F. W. Peirson 1917-4-1 1089 Riverside Andreas Canyon near Palm Springs. Comment
  RSA686399  Notholaena californica M. B. Dunkle 1933-5-6 3424 Riverside Dry Morongo Canyon. Comment
  UCSB38720  Notholaena californica Cowan, Clark 1978-4-23 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon 570 Comment
  SEINET3872753  Notholaena californica subsp. leucophylla Lewis S. Rose 1966-12-13 66102 Riverside Palm Springs, Tahquitz Wash.; 0 183 Comment
  RSA18955  Oenothera californica subsp. californica Roxana S. Ferris, Ruth P. Rossbach 1938-5-20 9666 Riverside Between Riverside and Ontario. Comment
  RSA659517  Oenothera deltoides J. C. Roos 1966-3-12 s.n. Riverside Indio. Comment
  UCR275466  Oenothera deltoides Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 959 Riverside Sonoran (Colorado) Desert, Blythe-Rice Road, ENE of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing 243 Comment
  RSA248134  Oenothera deltoides subsp. deltoides Susan Delano McKelvey 1936-2-10 5056 Riverside In desert north of Palm Springs. Comment
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Dec 14 2011
  UCR101206  Olea europaea D. L. Banks, Lauren Raz 1996-11-5 1157 Riverside Agua Tibia Mountains, Pechanga Indian Reservation, south of San Gabriel Church; along a newly established firebreak along a NW-SE running ridgeline, near the water tank in section 34 421 Comment
  CAS-BOT-BC427459  Oligomeris linifolia H. M. Hall 1905-6-1 6238 Riverside Vicinity of Riverside 365 Comment
  UC69147  Oligomeris linifolia H. M. Hall June, 1905 6238 Riverside vicinity Riverside (Gavilan Hills); Gavilan Hills 365 Comment
  POM348471  Olneya tesota Anstruther Davidson 1928-5-1 s.n. Riverside Colorado Desert. Comment
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Dec 14 2015
  CAS-BOT-BC478175  Oncosiphon piluliferum R. E. Jr. Riefner 2015-6-3 15 -168 Riverside City of Hemet, ca. 100 yards N of W. Devonshire Ave and Meyers Street 473 Comment
  RSA0035854  Oncosiphon piluliferum R. E. Riefner Jr. 2012-3-31 12 -63 Riverside city of Hemet, north of Florida Avenue and south of West Devonshire Avenue and east of Meyers Street 462 Comment
  SEINET241485  Oncosiphon piluliferum A. C. Sanders, Mitch Provance 2001-5-8 24210 Riverside Perris-Aguanga region: Moreno Valley, along I-215 just S of March Field Museum, 0.7 mi. S of Van Buren Blvd. 465 Comment
  POM316443  Opuntia basilaris Mark Parratt 1962-2-24 116 Riverside 7-8 miles up state Hwy 74 from Palm Desert. 701 Comment
  RSA459623  Opuntia basilaris Ora M. Clark 1929-3-17 1760 Riverside S. Palm Springs. Comment
  RSA696231  Opuntia basilaris Keith E. Hoffmaster 1933-4-13 s.n. Riverside Palm Springs. Comment
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Aug 27 2011
  UCSB18555  Opuntia basilaris del Moral, Roger 1964-5-10 Riverside State Highway 74; 11.7 miles S of Junction with State Highway 111 914 Comment
  RSA709916  Opuntia basilaris var. basilaris Leland Lubinsky, LeRoy Gross, Victor Steinmann 2005-2-17 s.n. Riverside Chuckwalla Mountains: Along wash above Corn Springs Campground., Between N33deg 37' 15'', W115deg 19' 39'' and N33deg 36' 52, W115deg 19' 54. 503 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
  POM314675  Opuntia phaeacantha J. W. Toumey 1916-9-25 s.n. Riverside Near Riverside. Comment
  UCR277926  Opuntia phaeacantha Mitch Provance, A. C. Sanders, T. B. Salvato, Tim Thomas 2008-7-1 808- 01 Riverside Peninsular Range; San Jacinto Mtns., May Valley, slopes west of Herkey Creek and north of Bonita Vista Rd., SSW of Fleming Ranch 1524 Comment
  RSA20702  Opuntia polyacantha var. erinacea C. B. Wolf, Percy C. Everett 1938-9-29 9457 Riverside Desert slope of San Jacinto Range, Upper edge of Pinyon flat on the Palms to Pines Highway. 1220 Comment
  UCR189549  Orcuttia californica Fred M. Roberts, Michelle Balk 2005-4-23 6175 Riverside Perris Basin, San Jacinto Valley: upper Salt Creek watershed, W of Hemet, NW corner of Stowe and California Rd., 3.6km ENE downtown Winchester 132 Comment
  SEINET8733513 Image available Orobanche californica Unknown 4-6/30 192 199 Riverside Shaven's Well Comment
  UC1539723  Orobanche cooperi Chas. B. Fiker 1946-4-17 Riverside w side of Colorado Desert Colorado Desert; w side of Colorado Desert Comment
  RSA0070485  Orobanche cooperi subsp. cooperi G. R. Campbell 1952-4-6 18420 Riverside Box Canyon, on road from Hwy 60-70 to Salton Sea. 457 Comment
  RSA559931  Orthocarpus densiflorus var. gracilis Steve D. Boyd 1992-4-18 6900 Riverside Paloma Valley betweeen Sun City and Murrieta, E of Hwy I-215. Rolling Hills just SW of Jtn Briggs Rd. and Scott Rd. Comment
  RSA0080081  Oryzopsis hymenoides A. R. Roos 1937-4-18 s.n. Riverside Snow Creek. Comment
  SD144084  Osmorhiza brachypoda Scott D. White 1994-4-23 2029 Riverside Millard Canyon, ca 8 air mi N of Cabazon: USFS Rd 2S05.2 ca. 0.3 mi S of jtn 2S05.2 and 2S05B 1299 Comment
  UCR95212  Osteospermum ecklonis D. L. Banks, E. H. Banks 1996-5-2 953 Riverside Agua Tibia Mountains, NW Palomar Mountains; NW foothills of Dorland Mtn, S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage 524 Comment
  RSA593990  Oxalis pes-caprae D. L. Banks, Elizabeth Hedge Banks 1996-5-2 944 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
  UCR99181  Oxalis rubra W. W. Mayhew 1991-4-24 s.n. Riverside city of Riverside, 6954 Coronado Way. Comment
  POM230601  Oxytheca trilobata I. W. Clokey, E. N. Anderson 1935-8-21 s.n. Riverside East of Keen Camp P. O. 1350 Comment
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Jan 19 2012
  UCR193856  Oxytheca trilobata A. C. Sanders, Mitch Provance 2008-7-11 35765 Riverside Peninsular Range; San Jacinto Mtns., FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station 1463 Comment
  UCR55276  Oxytheca trilobata Kathy Harper 1988-6-11 s.n. Riverside San Jacinto Mtns., On Thomas Mtn Rd., south of Thomas Mtn. Lookout. Comment
  OBI15593  Palafoxia arida Lewis S. Rose 1959-1-8 59002 Riverside La Quinta 15 Comment
  SFV9414  Palafoxia arida M. L. Vincent, R. H. Swade 1963-10-19 453 Riverside Snow Creek Road, 2 miles from its intersection with California State Highway 111. This intersection is about 0.5 miles southeast of the intersection between Highway 111 and Interstate Highway 10. 366 Comment
  RSA489136  Palafoxia arida var. arida Don Pendleton 1988-5-17 s.n. Riverside Blythe, in a lemon orchard on the mesa W of town. Comment
  RSA597066  Panicum capillare D. L. Banks, Elizabeth Hedge Banks, John B. Hedge 1996-6-6 1122 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, approximately 20 m N of the gate to the University of California-Emerson Oaks Reserve;, across from the junction with the road to the local golf course, in a vineyard. 426 Comment
  RSA701411  Parietaria hespera var. californica Steve D. Boyd, Aydee Virgen 2004-4-13 10885 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  GMDRC3550  Parietaria hespera var. hespera J. Andre, T. La Doux 2009-2-25 10811 Riverside Chuckwalla Mountains: growing on rocky (granitic) north-facing slope, approx 0.5 mi. south of I-10 freeway at Eagle Mtn Rd exit, USGS 7.5 min. Quad: Desert Center 33 deg. 41.303' N 115 deg. 27.236' W. Elev. 1358 ft. 414 Comment
  RSA448024  Parietaria hespera var. hespera J. A. Comstock 1934-4-15 s.n. Riverside Moist shady place. Comment
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Apr 15 2015
  SFV7923  Parkinsonia florida T. Gordon, K. A. Wilson, M. H. Grayum, G. Poseley 1976-4-30 1286 Riverside Along Parker Dam Highway about 8 miles northeast of Desert Center. 183 Comment
  UCSB11822  Parkinsonia florida Creighton, B. 1961-5-7 Riverside 12.6 miles northeast of Pinyon Flat Campground on State Highway 74, and 3.8 miles southwest of Palm Desert and State Highway 111 274 Comment
  RSA698046  Parosela emoryi J. R. Bruff 1933-1-1 s.n. Riverside Travertine Point, south of Indio. Comment
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Oct 30 2011
  RSA736906  Paspalum distichum Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10681 Riverside Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  SD137946  Paspalum distichum Darin L. Banks, Steve Boyd 1995-10-17 807 Riverside NW Palomar Mts, Agua Tibia Mts. Cleveland Nat Forest, Agua Tibia Wilderness Area, Narrow benches where Arroyo Seco turns to E, just W of metasedimentary hills 523 Comment
  UC1132410  Paspalum distichum H. S. Yates 1936-8-29 6377 Riverside near Keen Camp; San Jacinto Quadrangle Comment
  UCR89828  Paspalum distichum Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) andc. 0.25 mi south of the San Jacinto River 430 Comment
  RSA0062770  Pectis papposa Duncan S. Bell, Evan Meyer 2014-10-21 7650 Riverside Orocopia Mountains; northwestern section of the range; in the vicinity of Hotel California; about 3 air miles northwest of the summit of the Orocopia Mountains. 762 Comment
  RSA781604  Pectis papposa Duncan S. Bell 2011-12-30 3028 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  UCR24516  Pectis papposa K. K. Muller 1971-11-7 2981 Riverside Sonoran (Colorado) Desert, arroyo just south of US 60 opposite S entrance to Joshua Tree National Monument Comment
  UCR264240  Pectis papposa A. C. Sanders, Jim Malusa 2015-9-10 41847 Riverside Sonoran (Colorado) Desert, Salt Creek Canyon, along Summit Road c. 1.5 miles above mouth of Red Canyon, edge of Chocolate Mountains Aerial Gunnery Range 433 Comment
  RSA683915  Pectis papposa var. papposa Michael Denslow 2003-9-13 1547 Riverside Shavers Valley; I-10 at Mecca Exit, Box Springs Road. (Cottonwood Spring Quad) 470 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
  UCR214130  Pectocarya anisocarpa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37728 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
  JOTR28754  Pectocarya heterocarpa La Doux, Tasha, Bill Truesdell 2004-3-11 1035 Riverside Joshua Tree National Park. Pinto Basin; sand hills 487 Comment
  RSA727008  Pectocarya heterocarpa Naomi Fraga, Lisa Rojas 2005-2-10 1423 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 502 Comment
  UCR116972  Pectocarya linearis A. C. Sanders, T. B. Salvato 2001-5-3 24097 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR133686  Pectocarya linearis Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  SDSU14016  Pectocarya linearis subsp. ferocula Michael G. Simpson, Adrienne Russell 2000-4-29 2076 Riverside Rocky ridge, ca. 100-150 feet SSW of Northside field station, Santa Margarita Ecological Reserve (SDSU). 366 Comment
  SEINET7040158  Pectocarya linearis subsp. ferocula A. G. Vestal 1962-4-8 Riverside Ca. 1.3 miles north north east of Lake Elsinore (Elsinore).UTM Zone 11, 469934mE, 3729065mN. Comment
  RSA757639  Pectocarya penicillata LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4313 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  UCR241933  Pectocarya penicillata A. C. Sanders, Timothy W. Chumley 2013-3-28 40694 Riverside Peninsular Range, Temescal Canyon Rd. at Pacific Clay Products plant/Bernard St., c. 1 mile north of Lake St. 370 Comment
  UCR99865  Pectocarya penicillata Scott D. White 1993-3-3 1099 Riverside Perris Basin, Romoland/Winchester area 442 Comment
  RSA800113  Pectocarya platycarpa Duncan S. Bell 2013-4-7 4760 Riverside Arica Mountains, east side of range; west side of Rice Valley approximately 4 air miles south of the ghost town of Rice. 207 Comment
  SBBG6314  Pectocarya platycarpa H. and M. Dearing 1942-1-17 4786 Riverside Cathedral City Comment
  RSA0128200  Pectocarya platycarpa G. Rink 2013-3-20 11894 Riverside Above twelve miles west of Blythe, at the site of the proposed Quartzite solar power plant. 105 Comment
  UCR153362  Pectocarya setosa LeRoy Gross, Valerie Soza 2003-5-8 826 Riverside Peninsular Ranges; San Jacinto Mountains region, North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 777 Comment
  CHSC8343  Pellaea mucronata Edward L. Smith 1958-3-6 342 Riverside Located in Coldwater Canyon, Glen Ivy, sw side of Temescal Canyon Road, Temescal Mtns. 762 Comment
  UCR124221  Pellaea mucronata S. J. Myers 1988-6-8 s.n. Riverside Santa Rosa Plateau, Along Via Majorca, between Avenida de Arboles and Paseo Montano, in the 'La Cresta' region 671 Comment
  JOTR29594  Pellaea mucronata var. mucronata Andre, Jim 2006-4-26 6773 Riverside Joshua Tree National Park. ridgetop W of upper Long Canyon, approx 0.5 mi. S. of radio tower and of NE corner (boundary) of park 1324 Comment
  POM11167  Pellaea mucronata var. mucronata P. A. Munz 1922-6-27 5849 Riverside Santa Rosa Mountains: Santa Rosa. 2012 Comment
  SEINET3079730 Image available Penstemon B. Pitzer, Jack Easton 1987-3-10 400 Riverside Anza area, hills south of Thomas Mtn., ca. 3 mi. (airline) east of town of Anza on north side of Hwy 371 1341 Comment
  CHSC1849  Penstemon antirrhinoides E. Thomas 1940-3-10 Riverside San Jacinto Foothills. Comment
  LA35546  Penstemon clevelandii Ronald A. Cross; April 1952 - May 1952 sn Riverside Santa Rosa Mountains, near junction of Santa Rosa Trail & California Hwy 74 Comment
  CAS-BOT-BC265282  Penstemon clevelandii subsp. connatus H. M. Hall 1899-5-1 1100 Riverside Van de Venter's 1402 Comment
  POM4305  Penstemon clevelandii subsp. connatus I. M. Johnston 1917-4-4 s.n. Riverside Andreas Canyon 274 Comment
  SD51812  Penstemon clevelandii var. connatus Rimo Bacigalupi, L. R. Heckard 1953-5-5 4074 Riverside Western Riverside County. Along the Palms-to-Pines Highway (Calif. No. 74), above the seven level Hill, western slopes of Deep Canyon, about I(c) way betw. Santa Rosa Mts. And San Jacinto Mts, west side of Coachella Valley Comment
  RSA733  Penstemon heterophyllus var. australis J. T. Howell 1928-7-9 1070 Riverside Head of San Juan Canyon. Elsinore Mountains 793 Comment
  JOTR01216  Penstemon incertus Cole, James E. 1941-6-16 916 Riverside Joshua Tree National Park. LOST HORSE VALLEY 1310 Comment
  UCR35237  Penstemon rostriflorus L. B. Ziegler 1964-8-4 39 Riverside San Jacinto Mtns, Garner (= Hemet) Vallley, from 'Hidden Canyon' above Thomas Mt. Subdivision 1433 Comment
  SD136744  Penstemon spectabilis Steve Boyd, Tim Ross 1992-5-15 7407 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 671 Comment
  RSA926  Pentachaeta aurea J. T. Howell 1927-8-2 554 Riverside Near Strawberry Valley, Mt. San Jacinto. 1677 Comment
  RSA0015690  Pentagramma triangularis Duncan S. Bell 2013-9-29 6048 Riverside Chuckwalla Mountains; on the south side of Corn Springs Wash approximately 1.8 air miles southwest of Corn Spring. 648 Comment
  SEINET6626631  Pentagramma triangularis subsp. maxonii S. B. Parish 1907-4-18 6114 Riverside Western base of the Colorado Desert 200 Comment
  CAS-BOT-BC355916  Perityle W. C. Gagne 1968-3-16 s.n. Riverside Wash in Deep Canyon, Boyd Desert Res. Center in Palm Desert Comment
  CAS-BOT-BC355981  Perityle emoryi M. Bourell; R. Patterson 1987-4-14 3276 Riverside Spur N of Box Canyon Hwy 195, BLM Conservation Area 150 Comment
  CAS-BOT-BC355982  Perityle emoryi Noel H. Holmgren; Patricia K. Holmgren; Ruth E. Kern 1973-3-20 6416 Riverside Big Maria Mountains, 12 airline miles north of downtown Blythe 289 Comment
  SD258885  Perityle emoryi Sarah J. De Groot, Cheryl Sevilla 2016-3-16 7646 Riverside Mecca Hills; hills aroung Shaver's Well, along Box Canyon Road, south edge of Shver'v Valley, eastnortheast of Mecca. 294 Comment
  UCD134885  Perityle emoryi David Charlton 1988-2-18 1121 Riverside Alluvial Fan, south side of Little San Bernardino Mountains. Fargo Canyon Road to Cottonwood Wash, south of Joshua Tree National Park, parallel to I-10. 1 mile east of Jct Dillon Road and Fargo Canyon Road. 609 Comment
  UCR233177A  Perityle emoryi Jim Andre, Glenn L. Clifton 2011-2-22 17431 Riverside Mecca Hills, along Box Canyon Road, 8.5 mi northeast of town of Mecca 171 Comment
  SEINET10800180  Perityle emoryi David B. Dunn, Shogo; Schroeder; Bruskin; A. Folsom 1948-3-13 Dunn 3710 Riverside Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  RSA45532  Petalonyx linearis J. C. Roos, L. Roos 1949-4-6 4143 Riverside SE foot of Orocopia Mts, 2.5 miles NE of Dos Palmos Springs Comment
  CAS-BOT-BC167757  Petalonyx thurberi K. Bonner 1977-10-28 2569 Riverside 2 mi. West of Red Cloud Road Comment
  RSA445165  Petalonyx thurberi A. M. Johnson 1933-4-28 4246 Riverside On wash along Pines to Palms highway, below Palm Springs. Comment
  SBBG4888  Petalonyx thurberi subsp. thurberi H. and M. Dearing 1940-1-1 4039 Riverside near Painted Cyn Comment
  SEINET7048060  Petalonyx thurberi subsp. thurberi Steven R. Hill 2001-4-29 33537 Riverside Whitewater Canyon, east side of canyon, east of Whitewater Canyon Road, about 2 miles north of Route I-10. Elevation about 1800 feet. Comment
  RSA621639  Petunia parviflora R. E. Riefner 1998-7-9 98 -281 Riverside Elsinore Trough between Willard and Murrieta Creek. Lake Elsinore. Comment
  CAS-BOT-BC326738  Peucephyllum schottii Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio Comment
  POM14297  Peucephyllum schottii P. A. Munz, D. D. Keck 1922-4-9 4810 Riverside South base of Eagle Mtns. 183 Comment
  UCR148305  Peucephyllum schottii John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 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
  CHSC8307  Phacelia Edward L. Smith 1958-3-21 363 Riverside Located 6 mi. s of Rice, near Priest's Well. Little Santa Maria Mts. 365 Comment
  RSA129727  Phacelia ambigua H. S. Yates 1937-3-23 6409 Riverside 3 miles N of Palm Springs, San Jacinto Mts. 213 Comment
  RSA550277  Phacelia ambigua Walter Wisura, J. Dolan, M. Wall 1992-3-24 4619 Riverside 5.5 mi NE of Mecca on Box Canyon Rd. Comment
  RSA554433  Phacelia ambigua Theo Glenn 1991-5-8 91 -77 Riverside Sonoran (Colorado) Desert Big Maria Mtns, north of Blythe. 378 Comment
  RSA757454  Phacelia brachyloba Robert F. Thorne, Walter Wisura, Dave Mitchener 1982-1 55187 Riverside Cleveland National Forest, along Main Divide Truck Road 915 Comment
  POM13319  Phacelia campanularia E. C. Jaeger 1920-04 1083 Riverside Old Santa Rosa, colorado Desert Comment
  UC1007222  Phacelia campanularia Philip A. Munz 1940-3-23 15716 Riverside wash 3 mi n Cottonwood Springs; Eagle Mts. 914 Comment
  UCR20788  Phacelia cicutaria var. hispida A. C. Sanders, Steve Boyd 1980-5-2 1420 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR213624  Phacelia cicutaria var. hispida A. C. Sanders, Matthew Malle 2010-4-23 37996 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  RSA650558  Phacelia crenulata Viki Cruz 1983-5-8 9 Riverside Near the palm oasis one mile into Magnesha Canyon, Santa Rosa Mts. Comment
  CAS-BOT-BC133958  Phacelia crenulata var. ambigua John H. Thomas 1957-3-30 6531 Riverside 0.8 miles east of Cactus City, about 13 miles east of Coachella, near U.S. Highways 60 and 70. 518 Comment
  UCR279527  Phacelia crenulata var. ambigua A. C. Sanders, Jim Malusa 2017-3-29 43189 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 2.8 km south of the confluence of Red Canyon and Salt Creek 460 Comment
  SD241053  Phacelia crenulata var. minutiflora Dave Silverman, Onkar Singh 2010-3-27 7864 Riverside McCoy Wash, N of Palo Verde Mesa, 5.43 km W of Mesaville rairoad siding, 10 km N of I-19, and 13 km NW of Blythe. 139 Comment
  POM182077  Phacelia distans P. A. Munz 1932-3-14 11973 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  RSA314656  Phacelia distans Robert F. Thorne, Mrs. Raymond Fosberg, M. H. Sachet, Derral Herbst 1983-4-23 55445 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  RSA426208  Phacelia distans N. C. Cooper 1945-5-24 1633 Riverside Big Oaks Canyon, Banning 1220 Comment
  RSA428216  Phacelia distans Robert Gustafson 1983-3-27 2486 Riverside Dry rocky canyon southwest of Lake Cahuilla . Comment
  RSA49391  Phacelia distans P. A. Munz 1949-4-11 13022 Riverside Near Conejo Well, north base of Eagle Mts. 915 Comment
  RSA657229  Phacelia distans J. Mark Porter 2001-4-2 12336 Riverside Coachella Valley, along Big Morongo Wash, N of Indian Avenue, ca. 1.5 mi ESE jtn. with Hwy 62. 457 Comment
  RSA772014  Phacelia distans Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4956 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
  SD95164  Phacelia distans Sally Bonnett 1973-4-21 35 Riverside Pinon Flats campground between San Jacinto and Santa Rosa mountains on Highway 74 Comment
  UCR207337  Phacelia distans O. F. Clarke 2004-3-15 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCR85156  Phacelia distans A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16090 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  UCR91737  Phacelia distans A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18097 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  UCSB72612  Phacelia distans White, Scott; Carey, Angelia 2004-4-5 Riverside San Jacinto Mtn foothills: North of Valle Vista. Indian Creek Watershed 518 Comment
  RSA133587  Phacelia imbricata subsp. patula L. R. Heckard 1956-6-28 768 Riverside Idyllwild, San Jacinto Mts. Comment
  JEPS2097  Phacelia ivesiana E. E. Schellenger May 1920 Riverside e Coachella; Colorado Desert Comment
  SEINET7073694  Phacelia ixodes A. G. Vestal 1955-4-28 s.n. Riverside About 7.4 miles south of Sade on Route 79. Coordinate datum: NAD27. Comment
  JEPS60184  Phacelia minor L. R. Heckard 1969-4-24 2161 Riverside hillside along Hwy 79 about 7 mi s Sage Comment
  RSA0037194  Phacelia minor Tamara Joy Hanna 1991-5-4 2 Riverside Area of High Country Ranches. From Terwilliger Road (paved) east on Coyote Canyon Road (dirt) approx. 2 miles. 1219 Comment
  SD143841  Phacelia minor A. C. Sanders, P. MacKay, T. Thomas & O. Clarke 1997-5-4 20655 Riverside San Jacinto Mountains: N side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat) N slope of peak 3740 1067 Comment
  UCR21972  Phacelia minor Steve Boyd 1980-3-3 177 Riverside Gavilan Plateau, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  UCR27195  Phacelia minor Marlyce Myers 1980-4-21 s.n. Riverside Perris Basin, Motte Reserve, 2.5 mi NW of Perris 518 Comment
  UCR620B  Phacelia minor S. C. Warner 1956-4-21 s.n. Riverside Box Spings Mtns., top of mtns, saddle off W side of road, between Pigeon Pass and ranch west of road 701 Comment
  LA205631  Phacelia parishii Philip A. Munz; 1937-5-29 15101 Riverside Shumway, edge of Pinyon Flats, San Rosa Mts 1219 Comment
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Mar 11 2014
  RSA112736  Phacelia suaveolens subsp. keckii J. T. Howell 1931-5-30 6611 Riverside Santiago Peak. 1220 Comment
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Jul 21 2018
  POM7721  Phacelia tanacetifolia P. A. Munz, R. D. Harwood 1920-3-20 3372 Riverside 5 miles S of Corona 305 Comment
  SD107746  Phalaris aquatica C. W. Tilforth, B. Busenberg 1890-7-17 2022 Riverside open flat at large telephone signal reflector panel, south end of Thomas Mtn. Rd., south of Lake Hemet & west of Hiway 74 Comment
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Feb 4 2013
  UCR18203  Phalaris minor A. C. Sanders 1978-4-2 880 Riverside Sonoran (Colorado) Desert, Coachella Valley near Indio, intersection of Hwy 111 and Washington St. 30 Comment
  CLARK-A1528-4798  Phalaris paradoxa John C. Roos 1943-4-3 2616 Riverside San Timoteo Canyon 457 Comment
  UCR28622  Phaseolus filiformis A. C. Sanders 1982-12-19 3451 Riverside Sonoran (Colorado) Desert, foot of Santa Rosa Mtns, Coachella Valley, south side of the ridge forming the south boundary of Martinez Canyon; west end of Ave 74, 2.6 miles west of Polk Street 122 Comment
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Feb 9 2010
  SD114076  Philadelphus microphyllus var. pumilus Darley F. Howe 1973-7-28 4885 Riverside Santa Rosa Mts. 2438 Comment
  RSA91911  Phleum alpinum F. W. Peirson 1924-7-27 4996 Riverside Deer Springs, San Jacinto Mountains 2668 Comment
  RSA469903  Phlox austromontana E. C. Jaeger 1922-6-29 s.n. Riverside Tahquitz Valley, San Jacinto Mountains 2073 Comment
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May 29 2011
  POM46798  Pholistoma membranaceum Mary F. Spencer 1920-4-7 1582 Riverside Palm Canyon, Colorado Desert 183 Comment
  CAS-BOT-BC134987  Phoradendron bolleanum H. E. Parks 1946-2-1 24406 Riverside Santa Rosa canyon, W side of Colorado Desert Comment
  UC1194633  Phoradendron californicum Del Wiens 1953-12-5 872 Riverside near junction of rd. from s. end with U.S. 60 & 70 Joshua Tree Nat'l Monument; Colorado Desert, Joshua Tree Nat'l Monument 152 Comment
  RSA49179  Phoradendron densum Philip A. Munz 1949-4-13 13053 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
  UCR195798  Phoradendron densum Jim Andre, T. La Doux 2007-9-6 8702 Riverside Little San Bernardino Mountains, Joshua Tree National Park, c. 5 mi south of west entrance 1226 Comment
  UCR94624  Physalis Rudy Ruibal 1996-8-9 s.n. Riverside Riverside: Residence of R. Ruibal Comment
  POM4167  Physalis crassifolia I. M. Johnston 1917-4-4 s.n. Riverside Andreas Canon. 274 Comment
  POM60071  Physalis crassifolia S. B. Parish 1912-10-23 8325 Riverside Foothill Chuckawalla Mts., near Mecca. Comment
  RSA25151  Physalis crassifolia C. Leo Hitchcock 1940-3-31 5896 Riverside Between Cottonwood Spring and Pinto Basin. Comment
  RSA423826  Physalis crassifolia T. W. Minthorn 1926-5-13 s.n. Riverside Near Indio. Comment
  UC26187  Physalis crassifolia S. B. Parish Apr 4 1896-Apr 13 1896 4131 Riverside Palm Springs (Agua Caliente) San Jacinto Mt. (desert base of San Jacinto Mt) 152 Comment
  NY43270  Physalis crassifolia var. crassifolia C. R. Annable 1995-3-15 2285 Riverside 2.7km SW of Valerie, on road to Martinez Canyon Comment
  SEINET10666440  Pinus coulteri Greg Gust, Leith Nye 2005-3-11 Gust 550 Riverside Cleveland National Forest. Just off of Hwy 74 opposite El Cariso Campground on washed out forest road. 762 Comment
  UC64431  Pinus coulteri W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1313 Riverside Johnston Ranch San Jacinto Mt. 1354 Comment
  SD80070  Pinus monophylla Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-9 374 Riverside Santa Rosa Mountains, north slope, Deep Canyon, about 2 miles south of Highway #74 1310 Comment
  UCSB6958  Pinus ponderosa Koran, Jr., John 1958-5-16 Riverside 5.2 miles W of Idyllwild on the Idyllwild to Banning Hwy 1584 Comment
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Mar 27 2014
  POM293252  Pinus quadrifolia Lyman Benson 1956-12-1 15706 Riverside Palms to Pines Highway at the lowest level of Coulter pines. Mt. Range San Jacinto. 1524 Comment
  RSA561111  Piptatherum miliaceum Steve Boyd, Timothy S. Ross, D. Bramlet 1993-5-12 7322 Riverside Southern Santa Ana Mountains, Sant Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon, 365 Comment
  SEINET3084145 Image available Plagiobothrys arizonicus B. Pitzer, D. Charlton 1986-4-20 111 Riverside Bajada W of Mescal Range, and ca. 6.7 miles SE of I-15 along Cima Road, ca. 1.0 miles N of Cima Road on an unnamed dirt road. Comment
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Aug 6 2013
  RSA653420  Plagiobothrys canescens Scott D. White 1999-5-24 7387 Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 Comment
  SD233780  Plagiobothrys canescens John F. Green. 2006-5-10 Riverside Peninsular Ranges: City of Murrieta; S of the Hogbacks, N of Hunter Road to Ramage Lane, between Calle de Amor on the E and Springview/Kiwebre Road on the W (Murrieta 7.5' Q) 366 Comment
  SD234339  Plagiobothrys canescens A. C. Sanders, John F. Green 2006-5-18 32369 Riverside Temecula/Murietta Region: SE of Murrieta Hot Springs along San Diego Aqueduct and powerline route, S of intersection of Chandler and Suzi Rds and S of Murrieta Hot Springs Rd, side canyon dropping toward Santa Gertrudis Creek, 1 mile SW of Skunk Hollow. 106 Comment
  SEINET7063135  Plagiobothrys canescens A. G. Vestal 1963-3-26 s.n. Riverside Near Wood Canyon ?, Banning. UTM Zone 11, 511375mE, 3751508mN. (WGS84/NAD83). 701 Comment
  UCR220143  Plagiobothrys canescens D. E. Bramlet 1997-3-13 2485 Riverside Peninsular Range; Perris-Aguanga Basin region, Lake Skinner County Park, general vicinity of park entrance, just west of Old Warren Rd. 1.07 km north of intersection of entrance road and Old Warren Rd. 465 Comment
  UCR241832  Plagiobothrys collinus A. C. Sanders, Timothy W. Chumley 2013-4-3 40760 Riverside Peninsular Range, Temescal Canyon just above Horsethief Canyon wash crossing of DePalma Rd. at old DePalma's Italian Village site, SE of Corona (Lee) Lake 378 Comment
  JEPS29299  Plagiobothrys collinus var. californicus Rimo Bacigalupi and L. Heckard 1962-3-25 8394 Riverside ca. 5 mi. s.e. Corona (just n. of Bedford Canyon, e. base Santa Ana Mts.1000 ft); Santa Ana Mts. Comment
  RSA680493  Plagiobothrys collinus var. fulvescens Scott D. White, Michael Honer, Dylan Hannon 2003-6-24 9598 Riverside Mountains west of I-15 Freeway and immediately north of San Diego County boundary. 335 Comment
  UCR228879  Plagiobothrys collinus var. fulvescens A. C. Sanders 2011-4-6 38996 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  UCR114956  Plagiobothrys leptocladus Fred M. Roberts 1992-4-25 4869 Riverside San Jacinto Valley, Upper Salt Creek Watershed adjacent to Hemet, NW corner of California Avenue and Stowe Road, 3.3km ENE Winchester 455 Comment
  UCR162821  Plagiobothrys nothofulvus Jeri Hirshberg 1989-3-15 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, south of town of Murrieta; small mesa SW of Mesa de Burro 579 Comment
  RSA412600  Plantago bigelovii subsp. californica Robert Gustafson, Gary D. Wallace 1983-6-23 2719 Riverside Mesa de Burro, Santa Rosa region, Santa Ana Mountains. 701 Comment
  CLARK-A1528-3431  Plantago erecta John C. Roos 1937-2-21 1311 Riverside Riverside Comment
  PASA25  Plantago erecta 1926-2-21 Riverside Thousand Palms Comment
  POM4545  Plantago erecta Robinson, Crocker 1916-4-3 s.n. Riverside Elsinore region. Comment
  UCR158067  Plantago erecta A. C. Sanders 1997-3-12 19846 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  UCR228855  Plantago erecta A. C. Sanders, T. B. Salvato 2011-3-28 38821 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, powerline corridor along McLaughlin Rd. west of Murrieta Rd., north of Sun City 439 Comment
  RSA0035040  Plantago insularis var. fastigiata A. N. Dunn, A. M. Martin 1932-3-26 s.n. Riverside Coachella. Comment
  UC888393  Plantago ovata Carl B. Wolf 1932-4-27 Riverside 5 mi e Desert Center (n base of Chuckwalla Mts.); Colorado Desert, Chuckwalla Mts. 152 Comment
  UCR256715  Plantago ovata Duncan S. Bell 2012-2-12 3103 Riverside Mojave Desert, Mecca Hills, c. 1.25 air miles north of Box Canyon Road, and c. 4 air miles southwest of Shavers Well 256 Comment
  CAS-BOT-BC91887  Platystemon californicus Steve Boyd 1986-4-2 1606 Riverside Gavilan Plateau, Gavilan Hills. Harford Springs County Park. 640 Comment
  RSA660049  Platystemon californicus Glenda Long 1981-4-11 7 Riverside 5 miles along Cajalco Road after I 15 offramp. 100 to 150 yards up north facing slope from road. Comment
  UC635476  Platystemon californicus H. L. Mason 1926-4-30 3134 Riverside two mi s Temecula Comment
  UCR93018  Platystemon californicus G. P. Schultz 1994-4-7 71 Riverside Box Springs Mtns, Big Springs Canyon and N on the crest to Two Trees Canyon (S side) Comment
  RSA796019  Pleuraphis rigida Duncan S. Bell 2009-4-18 233 Riverside Arica Mountains; northeast of range, approximately 1 air mile south of the ghost town of Rice. 248 Comment
  SBBG29418  Pleuraphis rigida D. Myrick 1968-3-4 1807 Riverside Palms to Pines Hwy out of Palm Desert Comment
  JEPS18552  Pleurocoronis pluriseta John Thomas Howell 1928-1-29 3299 Riverside Painted Canyon Colorado Desert Comment
  LA203877  Pleurocoronis pluriseta Roxana S. Ferris; Ruth P. Rossbach 1938-5-16 9572 Riverside Mecca Hills 2 mi. up Painted Canyon Comment
  RSA779687  Pleurocoronis pluriseta Duncan S. Bell 2010-4-2 698 Riverside Arica Mountains: along jagged ridgeline of mountain range; in the Palen/McCoy wilderness., Collecting on a sand ramp located just below the ridgeline on the eastern side that was trapped between the ridgeline and the steep narrow rocky canyons below it. 595 Comment
  SBBG63431  Pluchea sericea M. N. Ackley 1928-4-3 220 Riverside Clary's Cyn 152 Comment
  UCR25361  Poa pratensis John C. Roos 1952-5-7 5622 Riverside Flats at Edgemont 488 Comment
  RSA524229  Poa secunda Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4023 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCD91691  Poa secunda subsp. secunda J. G. Lemmon 1888-4-14 s.n. Riverside Elsinore. Comment
  UCR2698  Poa secunda subsp. secunda F. M. Reed 1908-7-10 2554 Riverside San Jacinto Mtns, big meadow in Round Valley 2744 Comment
  RSA585646  Polycarpon depressum D. L. Banks, Steve Boyd 1995-3-15 0082 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. 732 Comment
  POM265734  Polygala acanthoclada A. M. Alexander, Kellogg 1941-5-18 21195 Riverside Eagle Mountains: 1.5 miles N Cottonwood Springs 976 Comment
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Oct 9 2010
  UCR241405  Polygonum aviculare T. B. Salvato, Matt Malle, Tom Sullivan 2013-3-27 7449 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  RSA495426  Polypodium californicum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-12 2952 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA689923  Polypodium californicum Norman C. Cooper 1947-4-5 2033 Riverside Los Alamos Canyon, Elsinore 762 Comment
  CAS-BOT-BC410013  Populus X parryi Carl B. Wolf 1932-5-25 3661 Riverside N base of San Jacinto Mtns. at mouth of E. Fork of Snow Creek Canyon 670 Comment
  RSA755744  Populus balsamifera subsp. trichocarpa A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37158 Riverside Box Springs Mtns. Foothills, Riverside, eastern side of UCR Campus in canyon below botanical garden 320 Comment
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Mar 2 2014
  CAS-BOT-BC102594  Populus fremontii Herman Knoche 1919-6-2 Series A, No. 644 Riverside Palm Springs Comment
  UCR230922  Populus fremontii T. B. Salvato, Richard Camacho 2011-6-12 5474 Riverside Peninsular Range, Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  UCR58853  Populus fremontii Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3219 Riverside Peninsular Range, Vail Lake area at N end of Kolb Creek, near campground 457 Comment
  UCR251971  Populus nigra Max Brodie 2014-4-6 09 Riverside San Bernardini Mtns./Sonoran (Colorado) Desert, Whitewater Canyon off Whitewater Canyon Rd., along Whitewater River near town of Bonnie Bell, c. 2 miles north of Hwy I-10 488 Comment
  CAS-BOT-BC356163  Porophyllum gracile John Thomas Howell 1928-1-30 3316 Riverside On road from Cottonwood Springs to Pinto Basin, near s. side of Pinto Basin, Colorado Desert Comment
  RSA796473  Porophyllum gracile Duncan S. Bell 2009-4-18 207 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  UC69033  Porophyllum gracile H. M. Hall 1905-5-2 5977 Riverside Chuckawalla Mt. Colorado Desert Comment
  RSA286806  Potamogeton pusillus Robert F. Thorne 1974-5-23 44669 Riverside Santa Rosa Plateau, Rancho California: Mesa de Colorado, pool at SW edge of large vernal marsh and presently separated from it, floating in shallow water c. 1/3 m deep. 625 Comment
  SD90366  Potamogeton pusillus Robert F. Thorne, E. Lathrop 1969-6-6 39322 Riverside Santa Rosa Plateau: Rancho California, Mesa de Colorado, behind the dam 625 Comment
  RSA499238  Potentilla glandulosa subsp. nevadensis E. C. Jaeger 1921-6-23 729 Riverside Tacquitz Valley. 1982 Comment
  RSA741107  Potentilla glandulosa subsp. reflexa Scott D. White, Justin M. Wood 2008-6-17 12156 Riverside San Jacinto Mountains: South of Hwy 79 near Keen Camp Summit. 1402 Comment
  UC1931084  Potentilla gracilis var. fastigiata Scott D. White, Justin Wood 2008-6-19 12280 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. Comment
  UCR199764  Prosopis glandulosa Scott D. White, Justin Wood 2007-4-11 11649 Riverside San Bernardino Mountain foothills, San Gorgonio River wash, west side of Bluff St. Comment
  SEINET10489773  Prosopis glandulosa var. torreyana David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2882 Riverside Pushawalla Canyon, Indio Hills. In W wall of wash. Comment
  CAS-BOT-BC151119  Prunus fremontii Paul F. Covel 1938-4-21 1192 Riverside East Slope, Palms-Pines Hgwy. Comment
  RSA453236  Prunus fremontii Robert Gustafson, Gary D. Wallace 1982-5-19 2565 Riverside Pines to Palms Hwy. (Hwy. 74), between 7-level Hill and Black Hill. Comment
  RSA453240  Prunus fremontii Anstruther Davidson 1903-5-3 1843 Riverside Thermal. 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
  RSA525682  Prunus ilicifolia Steve D. Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4541 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  CAS-BOT-BC356344  Psathyrotes ramosissima G. Helmkamp; E. Helmkamp 1998-1-17 2534 Riverside Box Canyon northeast of Mecca and 3.5 miles south of Shaver's Well 243 Comment
  UC829345  Psathyrotes ramosissima Lewis S. Rose 1936-12-20 36795 Riverside 10 mi e Garnet (L. A. Aqueduct road) Comment
  RSA94086  Psathyrotes ramosissima F. W. Peirson 1918-03 1426 Riverside Between Palm Springs and Indio. Comment
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Feb 22 2009
  SD193244  Pseudognaphalium beneolens A. C. Sanders, Kelly Volansky 2005-8-31 31595 Riverside Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 0.5 mile north of Tenaja Road. 671 Comment
  UC1536873  Pseudognaphalium biolettii G. H. True Jr. 1935-3-11 88 Riverside Gavilan Hills 548 Comment
  SFV3941  Pseudognaphalium californicum P. G. Kilburn 1958-5-17 814 Riverside 3 miles south of Banning. 305 Comment
  UCR280938  Pseudognaphalium canescens subsp. microcephalum Mitch Provance, Matt K. Beyers 2017-6-8 617- 14 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
  CAS-BOT-BC474732  Pseudognaphalium leucocephalum R. E. Riefner, Jr. 2015-8-20 15 -334 Riverside Temescal Valley, S of Temescal Canyon Rd. N of I-15 Freeway, ca. 0.8 mi W of Horsethief Canyon Rd., opposite from entrance to Corona Lake (Lee Lake) 370 Comment
  SD187364  Pseudognaphalium luteoalbum Scott D. White, Angelia Carey 2004-5-7 10322 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 548 Comment
  RSA0125103  Pseudognaphalium microcephalum Duncan S. Bell 2016-10-27 10212 Riverside Whitewater Canyon area; collecting in Rainbow Canyon, 2.75 air miles northwest of the Whitewater Ranger Station (trout ponds). 1024 Comment
  POM157889  Psilocarphus brevissimus P. A. Munz 1927-5-20 10801 Riverside Murietta Hot Springs Comment
  UCR266315  Psilocarphus brevissimus D. E. Bramlet 1991-4-3 2109 Riverside Perris-Aguanga Basin region, west of Hemet, west of Warren Rd. across from Hemet-Ryan Airfield 457 Comment
  UCR22137  Psilocarphus brevissimus var. brevissimus Steve Boyd 1980-5-17 286 Riverside Gavilan Hills, Harford Springs County Park, on the NW corner of the Gavilan plateau. Comment
  UC15157  Psorothamnus arborescens var. simplicifolius S. B. Parish Apr 4-13 1896 4111 Riverside Palm Springs, (Aqua Caliente) desert base of San Jacinto Mountain 152 Comment
  OBI13262  Psorothamnus emoryi Robert F. Hoover 1966-10-15 10158 Riverside Dead Indian Crk wash, S of Palm Desert Comment
  RSA336191  Psorothamnus emoryi Robert F. Thorne 1978-4-23 52042 Riverside Just E of Palm Desert. Comment
  SBBG34735  Psorothamnus emoryi T. L. Secrest 1950-3-12 Riverside near Indio Comment
  UCD108316  Psorothamnus emoryi T. L. Secrest 1950-3-12 s.n. Riverside Near Indio. Comment
  CAS-BOT-BC340860  Psorothamnus schottii Lester Rowntree 1937-5-28 s.n. Riverside Pines to Palms [Palms to Pines] Comment
  CAS-BOT-BC340871  Psorothamnus schottii L. R. Abrams 1926-3-26 11066 Riverside Palm Springs to Palm Canyon Comment
  CAS-BOT-BC340872  Psorothamnus schottii L. A. Greata 1905-4-1 426 Riverside Coachella Comment
  CAS-BOT-BC340905  Psorothamnus schottii Street; Munz 1919-5-7 2749 Riverside Palm Springs 182 Comment
  JEPS41650  Psorothamnus schottii H. M. Hall Apr. 1905 5781 Riverside Coachella , Coachella (Colorado Desert) 152 Comment
  RSA0030742  Psorothamnus schottii Scott D. White 1999-10-19 7626 Riverside Near Berdoo Canyon: Northeast of Dillon Rd., just S of mouth of Berdoo Cyn., on the S-facing bajada of the Little San Bernardino Mts. 152 Comment
  RSA799247  Psorothamnus schottii Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 731 Riverside South side of the Mecca hills, side canyon roughly 1.3 miles north of turnoff for Painted Canyon on Box Canyon Road 113 Comment
  UCD108370  Psorothamnus schottii G. H. Vansell 1928-4-1 s.n. Riverside S. Calif. and Coachella Valley. Comment
  CAS-BOT-BC340949  Psorothamnus spinosus E. R. Johnson 1928-6-8 s.n. Riverside Along highway south of Mecca on west side of Salton Sea Comment
  UCSB11923  Psorothamnus spinosus Rensselaer, Maunsell 1945-11-18 Riverside Colorado Desert, dry wash S of Cathedral City Comment
  UCR16719  Pteridium aquilinum Dave Baasch 1972-5-11 720511- 01 Riverside San Jacinto Mtns, just above Lake Fulmor near Idyllwild 1646 Comment
  RSA523518  Pteridium aquilinum var. pubescens Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3977 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA392935  Pterostegia drymarioides J. D. Olmsted 1962-5-10 3654 Riverside Crest between Sandia Creek and DeLuz Creek drainages. 259 Comment
  RSA711840  Pterostegia drymarioides A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25836 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  UCR116924  Pterostegia drymarioides A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24221 Riverside Perris-Aguanga Basin region, Hemet, SE of intersection of State Street and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi. SSW of Hemet Butte 513 Comment
  UCR123819  Pterostegia drymarioides Steven R. Hill 2001-5-3 33672 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  VVC419  Pterostegia drymarioides A. C. Sanders, J. Mac 1997-5-4 20630 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  SD262213  Pulicaria paludosa Mitch Provance 2012-8-1 812 4 Riverside Colorado Desert: Thousand Palms Canyon Road, A+- 2/3 of the way up into the canyon. (Myoma 7.5'Q) 139 Comment
  UCR116680  Pulicaria paludosa A. C. Sanders, Chet McGaugh 2001-7-26 24472 Riverside Perris-Aguanga Basin region, Mockingbird Creek, beside Harley John Rd. just above Mockingbird Canyon Rd., Woodcrest area, Riverside 427 Comment
  UCR278872  Pulicaria paludosa Mitch Provance 2012-8-1 812- 04 Riverside Colorado Desert, Thousand Palms Canyon Road, +- 2/3 of the way up into the canyon. 140 Comment
  UCR112801  Punica granatum A. C. Sanders 1997-5-1 20615 Riverside Lake Skinner area, old house site at gated road junction into Shipley Reserve area, c. 1 km NE of Lake Skinner in mouth of Rawson Creek Canyon 457 Comment
  RSA0021858  Purshia tridentata var. glandulosa C. P. Cowan 1978-4-25 1259 Riverside San Bernardino National Forest. Pinon Flat Campground. Hwy 74, 8.9 mi (14.2 km) E of jct Hwy 74 and 371. Comment
  RSA0081607  Pyrola aphylla P. A. Munz, I. M. Johnston 1924-7-27 8725 Riverside Dark Canyon, San Jacinto Mts. 1982 Comment
  UCR239864  Pyrola picta O. F. Clarke 2007-7-26 s.n. Riverside Peninsular Range; San Jacinto Mtns., James Reserve 1646 Comment
  POM256952  Quercus X morehus W. Pequegnat 1940-6-15 s.n. Riverside Between Horsethief and Rice Canyon, Santa Ana Mts. 1250 Comment
  JOTR32952  Quercus X munzii La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 304 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Live Oak Picinic Area; coarse sandy wash with granitic outcrops Comment
  UCR158951  Quercus agrifolia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31543 Riverside San Jacinto Mtns., upper Bautista Canyon, 0.8 mi. below Tripp Flat Rd. 1128 Comment
  SD136833  Quercus berberidifolia Steve Boyd 1994-10-14 8399 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, San Mateo Canyon, along San Mateo Trail between north branch of Tenaja Trail & Fisherman's Camp, on mesic north-facing slope 427 Comment
  UCR125768  Quercus berberidifolia A. C. Sanders, Lowell J. Bean, Pesach Lubinsky, et al 2003-1-10 25654 Riverside San Jacinto Mountains, Bautista Canyon, c. 3/4 mile above the Horse Canyon confluence, near beginning of Alessandro Trail 884 Comment
  UCR178612  Quercus berberidifolia Mitch Provance, Tracy Tennant 1998-6-16 MOR- 446 Riverside San Bernardino Mtns., Morongo Indian Reservation, 0.5 mi. north of junction of East Branch and Millard Canyon 1220 Comment
  UCR22024  Quercus berberidifolia Steve Boyd 1980-5-11 239 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  CAS-BOT-BC62439  Quercus chrysolepis H. M. Hall 1901-8-1 2641 Riverside Canyon of the San Jacinto River 1066 Comment
  CAS-BOT-BC62443  Quercus chrysolepis E. A. McGregor 1941-6-12 26 Riverside Santa Rosa Mt. Comment
  RSA597520  Quercus chrysolepis Louis C. Wheeler 1945-10-6 6128 Riverside San Jacinto Mountains. North fork San Jacinto River. 1890 Comment
  UCR68868  Quercus chrysolepis Steve Boyd, T. S. Ross 1990-5-11 4694 Riverside Vail Lake area, Cleveland National Forest, N flank and summit of Wild Horse Peak, Agua Tibia Mtns 999 Comment
  CLARK-A1528-531  Quercus dumosa var. turbinella C. M. Flanagan 1973-5-20 534 Riverside Morongo Indian Reservation 1158 Comment
  RSA509348  Quercus engelmannii A. C. Sanders, E. J. Lawlor 1988-10-22 8718 Riverside Pinyon Flats, Santa Rosa Mountains, along Horsethief Creek where the trail from Dolomite Mine crosses. 1100 Comment
  UCR135856  Quercus engelmannii A. C. Sanders 2004-4-20 27577 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
  UCR163986  Quercus engelmannii 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
  RSA654175  Quercus palmeri A. C. Sanders, Steve D. Boyd, Mitch Provance, J. Ross 1998-10-25 22287 Riverside San Jacinto Mtns.: Santa Rosa Indian Reservation along Hwy 74, 2.1 mi. E of Hwy 371 junction to Anza, just W of Vandeventer Flat. 1463 Comment
  UC936255  Quercus palmeri James E. Cole 1947-2-6 1001 Riverside Lower Covington Flat, San Bernardino Base and Meridian Joshua Tree National Monument 1463 Comment
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Jul 27 2009
  CAS-BOT-BC134753  Quercus wislizeni W. R. Dudley; F. H. Lamb 1896-6-14 4486 Riverside Cuddy Canyon Comment
  UCR123366  Quercus wislizeni Steve Boyd, D. E. Bramlet 1988-10-8 2868 Riverside San Jacinto Mtns. area, Cahuilla Mountain, SW of Anza at head of Bautista Canyon, along the crest of the mountain 1707 Comment
  UCR169241  Quercus wislizeni var. frutescens Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 12- 82 Riverside San Jacinto Mtns, San Bernardino National Forest, 10 miles north of Idyllwild on Hwy 243 near Lake Fulmor, Site L12 1637 Comment
  UC667269  Rafinesquia californica Annie M. Alexander and Louise Kellogg 1941-4-27 2091 Riverside Joshua Tree National Monument, Riverside and San Bernardino Counties Joshua Tree National Monument 1310 Comment
  UCR22074  Rafinesquia californica Steve Boyd 1980-4-27 135 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  CLARK-A1656-688  Rafinesquia neomexicana Lois Ann Scott 1979-3-2 Riverside Rancho Mirage 91 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
  RSA708490  Rafinesquia neomexicana Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10884 Riverside Eastern Coachella Valley. Bajada beneath Mecca Hills , just east of Coachella Canal. 24 Comment
  RSA721118  Rafinesquia neomexicana J. R. Bruff 1927-3-13 2 -H Riverside Thousand Palms Comment
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Apr 3 2011
  RSA726523  Rafinesquia neomexicana Naomi Fraga, Lisa Rojas 2005-2-10 1400 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  RSA79182  Rafinesquia neomexicana P. A. Munz, Percy C. Everett 1952-5-2 16232 Riverside Dry Morongo Wash, n.w. end of Coachella Valley. 457 Comment
  UCR84839  Rafinesquia neomexicana A. C. Sanders, K. Rose, D. Woodard 1995-3-15 16135 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  UCSB7398  Rafinesquia neomexicana Beeks, R. 1953-4-4 Riverside U.S. 99, opposite Twenty Nine Palms turnoff Comment
  RSA95061  Rafinesquia neomexicana F. W. Peirson 1920-2-16 2762 Riverside Garden of Eden at Palm Springs Comment
  UC118210  Ranunculus alismifolius var. alismellus A. W. Anthony 1895-7-3 Riverside San Jacinto Mountain Comment
  UC1930014  Ranunculus californicus Scott D. White, Justin Wood 2008-5-15 12006 Riverside San Jacinto Mountains: Johnson Meadow. Comment
  UC480948  Ranunculus cymbalaria var. saximontanus D. L. Crawford 745 Riverside at side of lake Riverside Comment
  UCR79255  Ranunculus hebecarpus Steve Boyd, T. S. Ross, Orlando Mistretta 1992-3-31 6759 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Tenaja Trail from junction with Morgan Trail S to Pigeon Spring area 793 Comment
  CAS-BOT-BC334466  Ranunculus muricatus O. F. Clarke 2010-4-16 s.n. Riverside Peninsular Range: Riverside. O.F. Clarke resience, 266 Frost Court, east edge of UCR campus 350 Comment
  UCR65291  Ranunculus sceleratus Steve Boyd, T. S. Ross 1989-8-28 3807 Riverside Peninsular Range, Vail Lake area, Temecula Creek at confluence w/ the lake & adjacent sedimentary hills to the east. 488 Comment
  UCR86019  Ranunculus sceleratus Scott D. White, Megan Phillips 1992-4-29 s.n. Riverside San Jacinto Valley, large area on San Jacinto Reservior on N and E sides, east of Sanderson Street, and SW of Ramona Expressway Comment
  UCR131792  Ratibida Mitch Provance 1998-6-20 753 Riverside Jurupa Mountains, Glen Avon Heights, on the north side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  UCR172218  Rhamnus crocea John F. Green 2006-5-10 s.n. Riverside Peninsular Ranges, City of Murrieta; south of the Hogbacks. north of Hunter Road to Ramage Lane, between Calle de Amor on the E and Springview/Kiwebre Road on the W 402 Comment
  UCR214903  Rhamnus crocea A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37681 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, near Temescal Canyon Rd. undercrossing and N of Concordia Ranch Rd. 402 Comment
  UCR117097  Rhamnus ilicifolia A. C. Sanders, T. B. Salvato 2001-5-16 24290 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  UCR270562  Rhamnus ilicifolia John F. Emmel 1998-5-2 1543 Riverside San Jacinto Mtns., SW foothills, Bautista Canyon, 0.4-0.5 road mile SE of national forest boundary 723 Comment
  RSA719475  Rhamnus pilosa R. E. Riefner Jr. 2006-10-11 06 -529 Riverside E of Rainbow Canyon, N of Rainbow Heights, Termite's Hike Trail. 614 Comment
  UCR103914  Rhus aromatica B. G. Pitzer 1997-4-11 3103 Riverside Lakeview Mountains, Pulsar View Road, c. 0.5 mi. (air) SSE of Mt. Rudolph. 640 Comment
  VVC689  Rhus lancea P. J. MacKay, T. Thomas 1997-2-8 107 Riverside Sonoran Desert, Palm Springs, Murray Canyon; at edge of creek btw palm groves 243 Comment
  UCR166699  Rhus laurina Scott D. White, Jennifer H. Jones 2005-7-5 11150 Riverside Santa Ana Mtns, Rainbow Valley area, west of I-15 and just N of San Diego Co. boundary 579 Comment
  UCR167811  Rhus laurina T. B. Salvato, Melissa Clemons 2005-6-23 1322 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  HSC101783  Rhus ovata J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13189 Riverside Along State Route 74 1227 Comment
  RSA0097949  Rhus ovata Duncan S. Bell 2014-11-14 7724 Riverside Santa Rosa Mountains; in the Santa Rosa Wilderness area; west side of Martinez Mountain; collecting at Cactus Spring. 1292 Comment
  SDSU13694  Rhus ovata James C. Dice, Ruth Miller 1987-11-23 755 Riverside Temecula Gorge, south side of aqueduct crossing. T8S, R3W, SE 1/4 of NE 1/4 of Section 27. 259 Comment
  UCD166209  Rhus ovata Jack Major 1962-4-16 766 -b Riverside Along side of road from Banning to Mt. San Jacinto. (Exact location unknown. Coordinates estimated by label maker.) 914 Comment
  UCR115380  Rhus ovata June Latting 1978-5-4 s.n. Riverside Santa Ana Mountains, Santiago Peak 1732 Comment
  UCR120945  Rhus ovata A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24918 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR178836  Rhus ovata Tracy Tennant 1998-8-28 MOR- 710 Riverside San Jacinto Mtns., along Hwy 243 opposite (west of) McMullen Flat, tree stand A01 1220 Comment
  UCSB39082  Rhus ovata Jorgensen, Jan 1982-1-19 Riverside 3 kilometers up highway 243 from interstate 10, Banning; San Jacinto Mountains 1000 Comment
  RSA162815  Ribes californicum var. hesperium J. D. Olmsted 1959-2-28 s.n. Riverside Turn S on Lincoln in W Corona, after 3 miles turn W on Chase Dr, then S on Oak Flat fire road for 4 miles past Olive trees. Santa Ana Mts. 793 Comment
  RSA134226  Ribes nevadense Peter H. Raven, Richard Snow 1957-7-26 11114 Riverside Along stream 2.0 mi. S of Vista Grande Ranger Station, Banning-Idyllwild road, San Jacinto mts. Comment
  POM13459  Ribes roezlii P. A. Munz, I. M. Johnston 1922-5-19 5395 Riverside Keen Camp, San Jacinto Mountains. 1463 Comment
  RSA459471  Ribes roezlii Anstruther Davidson 1896-07 1826 Riverside San Jacinto Mtns. Comment
  RSA651709  Ribes roezlii Diane M. Ramirez 1983-5-1 25 Riverside Mellor Ranch Road, 4 mi S of junction with CA Hwy 243, S of Banning. Near Peach Tree Spring stream at Oak Flat. Comment
  POM12990  Ribes speciosum P. A. Munz, I. M. Johnston 1922-5-19 5309 Riverside Santa Ana River Canyon. 457 Comment
  SD193257  Rorippa curvisiliqua A. C. Sanders, R. E. Riefner 2005-8-12 31558 Riverside Valley Hi County Park off Highway 243 and Twin Pines Road, at McMullen Flat. 1189 Comment
  UCR38761  Rorippa palustris subsp. occidentalis G. Sampson 1985-6-10 85 461 Riverside Santa Ana River, Chino Hills State Park. Comment
  SD229264  Rosa californica Dick Schwenkmeyer 2012-6-27 745 Riverside May Valley, approx. 5 miles southeast of Idyllwild town center, Mt. San Jacinto, Riverside County, CA. 1531 Comment
  SEINET884347 Image available Rubiaceae G. L. Stebbins, L. T. Dempster 1966-1 4244 Riverside Black Mt. road, 0.9 mi above jct of road to Pine Wood, San Jacinto Mountains 1981 Comment
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Aug 25 2013
  RSA160533  Rubus parviflorus John Olmsted 1958-6-15 168 Riverside Dark Canyon at intersection of N Fork San Jacinto R with Idyllwild Banning Road, San Jacinto Mtns. 1509 Comment
  UCR23506  Rubus parviflorus John C. Roos 1942-6-20 991 Riverside San Jacinto Mtns., Dark Canyon, N Fork San Jacinto River Comment
  UCR241235  Rubus ursinus Tracy Tennant, Jeffrey Ross 1998-7-30 MOR- 681 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, lower Hathaway Canyon below the road fork 854 Comment
  SD255840  Rumex D. E. Bramlet 1995-5-24 2428 Riverside Perris-Aguanga Basin Region; San Jacinto Valley: San Jacinto Wildlife Area, Lovell Unit, c. 1.83 km NE of Lakeview; east of Davis Road and 65 m south of the existing access (Contour) road, 168 m N of the San Jacinto River channel. (Lakeview 7.5'Q) 434 Comment
  JOTR32379  Rumex crispus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2489 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
  UCR125221  Rumex crispus Mitch Provance 1998-5-29 558 Riverside Riverside, NW side of North Hill, along the S edge of Lake Evans 274 Comment
  RSA659484  Rumex hymenosepalus J. C. Roos 1966-4-29 s.n. Riverside In the hills between March AFB and Lakeview. 457 Comment
  RSA741213  Rumex salicifolius Scott D. White, Justin M. Wood 2008-5-15 11990 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  UCR111779  Sagina apetala Mitch Provance 1999-5-4 1691 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  RSA450476  Salazaria mexicana J. C. Roos 1965-6-13 s.n. Riverside Santa Rosa Mountains: Dos Palmas Springs. 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
  RSA698840  Salix exigua J. R. Bruff 1927-10-8 1 -F-1 Riverside Thousand Palms. Comment
  UC469391  Salix exigua F. R. Fosberg 1930-3-9 S 1550 Riverside almost on San Bernardino Co. line Mission Creek Canyon; Little San Bernardino Mts. 800 Comment
  UCR178565  Salix exigua R. G. Swinney 1967-3-5 0062 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 381 Comment
  SD11898  Salix exigua var. exigua Mrs. H. P. Bracelin 1932-4-12 601 Riverside East side of bridge over Santa Ana River, 4.8 km north of Arlington on road to Pedley, west of Riverside 239 Comment
  RSA543141  Salix gooddingii Steve D. Boyd 1991-3-17 5501 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
  SD137624  Salix gooddingii Darin L. Banks, Steve Boyd 1995-4-5 141 Riverside Cleveland National Forest, N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, W of the Dripping Springs Trail. 658 Comment
  UC492435  Salix gooddingii Carl B. Wolf 1932-4-28 3085 Riverside ca. 800 m from on way to Blythe Bridge State Inspection Station (overflow land back of Colorado R.) 90 Comment
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Mar 26 2011
  UCR140699  Salix gooddingii A. C. Sanders 2004-5-12 27866 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  UCR231770  Salix gooddingii John F. Green 2008-4-21 02- 06 Riverside Peninsular Range, south edge of Perris, drainage way between housing tracts, west of Goetz Rd. and east of Alabaster Loop 450 Comment
  RSA0038300  Salix gooddingii Carl W. Sharsmith 1932-3-20 14 Riverside Colorado Desert. Lower Sonoran Zone Comment
  SEINET10626142  Salix laevigata Greg Gust, Leith Nye 2005-3-11 Gust 546 Riverside Cleveland National Forest. Just off of Hwy 74 opposite El Cariso Campground on washed out forest road. 762 Comment
  UCR139046  Salix laevigata D. L. Banks 1997-3-1 1380 Riverside NW Palomar Mountains, Agua Tibia Mountains, Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and a long Pechanga Creek 335 Comment
  UCR92667  Salix laevigata Scott D. White 1996-3-31 3869 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
  RSA495789  Salix lasiolepis Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-3-11 2896 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 390 Comment
  RSA552716  Salix lasiolepis Steve D. Boyd, Tim S. Ross, Orlando Mistretta 1992-2-26 6685 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  SDSU12975  Salix lasiolepis Michael G. Simpson 1999-10-27 2042 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  SDSU14057  Salix lasiolepis Ingrid Poulin 2002-4-12 17 Riverside Santa Margarita Ecological Reserve; Red Mountain Truck Trail, 0.6 miles northeast of N. Stagecoach Lane. 213 Comment
  POM13584  Salix lutea Philip A. Munz 1922-7-6 5980 Riverside San Jacinto Mountains: Tahquitz Valley. 2195 Comment
  CLARK-A1528-416  Salsola iberica Fred B. Essig 1966-9-12 Riverside Santa Ana River Comment
  RSA289820  Salsola tragus B. A. Prigge 1980-9-16 4035 Riverside Coachella Valley Stormwater Channel; east of Point Happy at Washington St. x channel 21 Comment
  POM6930  Saltugilia splendens P. A. Munz, L. T. Street, G. Williams 1919-5-30 2824 Riverside San Bernardino Mountains: Dark Canyon, near Pine Crest 1524 Comment
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May 28 2011
  CHSC780  Salvia apiana 1935-4-1 Riverside Colorado Desert. Comment
  SD11889  Salvia apiana Victor Duran 1933-7-1 3491 Riverside Near Santa Rosa, Santa Rosa Mountains. 1829 Comment
  SEINET4082401  Salvia apiana O. M. Clark 1932-1 5117 Riverside South Hemet. Comment
  UCLA69849  Salvia apiana P. A. Munz 1938-8-14 15371 Riverside ridge e Toro Peak; Santa Rosa Mts. 2286 Comment
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Apr 29 2008
  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
  UCR59499  Salvia carduacea Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3235 Riverside Peninsular Range, Vail Lake area, sandy valley at NE end of lake, north of Wilson Creek 488 Comment
  RSA401477  Salvia columbariae Gale Sphon 1955-4-2 s.n. Riverside Perris. Comment
  SDSU21842  Salvia columbariae Kalee Koeslag, Allen Schellerup 2016-4-16 5 Riverside Santa Margarita Ecological Reserve, in Stone Creek woodland old road off of Red Mountian Truck Trail 183 Comment
  UC25692  Salvia columbariae Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  UCLA70081  Salvia columbariae K. Watkins and E. McClintock 1937-4-9 Riverside near Winchester turnoff (Riverside to Hemet road) Comment
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Mar 20 2011
  UCR214705  Salvia columbariae A. C. Sanders 2010-3-23 37540 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  UCR35338  Salvia columbariae L. B. Ziegler 1965-11-15 048 Riverside San Jacinto Mtns., Garner (Hemet) Valley, alongside new Morris Ranch Road 1524 Comment
  UCR35340  Salvia columbariae L. B. Ziegler 1968-5-7 285 Riverside San Jacinto Mtns, near mouth of Bautista Canyon, foothills of San Jacinto Mtns. 612 Comment
  UCR4171  Salvia columbariae R. H. Sauer 1965-4-7 s.n. Riverside Box Springs Mtns., just east of [railroad] tracks c. 0.25 mi. south of end of Big Springs Road, Riverside. 366 Comment
  UC279683  Salvia greatae Edmund C. Jaeger 1926-2-28 Riverside 18 mi se Mecca; Salt Creek Wash Comment
  RSA182349  Salvia mellifera J. Olmstead 1962-5-2 3447 Riverside Sandy flat by saddle just N of highest part of Box Springs Mountains, by road from Pigeon Pass. 777 Comment
  RSA601078  Salvia mellifera A. C. Sanders, J. Goetzen 1996-5-1 18132 Riverside San Bernardino Mtns.: Morongo Indian Reservation, along dirt road in Hathaway Crk., N of Banning. [UTM 10 km cell: NH-1E, 5N. Banning.] 792 Comment
  UCR120920  Salvia mellifera A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24942 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR121888  Salvia mellifera Ian G. Gillespie 2001-5-15 90 Riverside Lake Skinner, Perris Plain Area Comment
  SEINET13947547 Image available Salvia mellifera S. Lambert 1981-1 1931 Riverside San Bernadino National Forest, along hwy 74 9.4 mi W of mountain Center, 2200 ft alt. 671 Comment
  CLARK-A1528-1326  Salvia mohavensis John C. Roos 1947-11-1 3753 Riverside Lost Palms Canyon Comment
  UCLA49888  Salvia pachyphylla C. Epling 1938-8-14 Riverside Santa Rosa Mountains Comment
  RSA643564  Salvia vaseyi A. C. Sanders, K. Rose 1995-4-27 16736 Riverside Coachella Valley: foot of the Little San Bernardino Mountains, canyon E of Fan Hill, just outside Joshua Tree National Park. 549 Comment
  SEINET13947704 Image available Salvia vaseyi J. C. Roos 1965-1 s.n. Riverside Palms to Pines Highway (74), below Dos Palmos Springs, Santa Rosa Mtns. Comment
  UC1936223  Salvinia minima R. E. Riefner Jr. 2008-7-5 08 -214 Riverside Cathedral City, Perez Road at Date Palm Drive Comment
  CDA18821  Salvinia molesta R. O'Connell 1999-8-2 PDR 1142335 Riverside Palo Verde Irrigation District. 0 Comment
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Feb 6 2009
  CAS-BOT-BC238854  Sambucus nigra subsp. caerulea Wayne Law; Jun Hu 2000-5-16 21 Riverside Peninsular Ranges; Santa Ana Mtns.: Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi S of Corona 396 Comment
  POM251788  Samolus parviflorus J. C. Roos 1937-6-19 23 Riverside Murrietta Hot Springs. Comment
  JEPS27439  Sarcostemma cynanchoides subsp. hartwegii W. L. Jepson 1914-5-25 6071 Riverside San Gorgonio Pass 548 Comment
  UC105440  Sarcostemma cynanchoides subsp. hartwegii J. W. Toumey 1894-9-27 Riverside Banning Comment
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Mar 13 2011
  SEINET206448  Sarcostemma hirtellum Rimo Bacigalupi, Roxana S. Ferris 1958-3-21 6253 Riverside Herbage exuding alliaceous odor. Twining about in a clump of Hilaria rigida in a small wash from the west slope ofthe Big Maria Mts. near the roas to Midland, about 13 miles north of Blythe, elev. 860 ft. 262 Comment
  UCR180386  Sarcostemma hirtellum Scott D. White, Andrea Warniment (Edwards) 2006-3-29 11276 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway / McNaughton Parkway interchage, north of the I-10 Freeway 152 Comment
  CHSC35796  Satureja chandleri James Henrickson 1972-5-21 7196 a Riverside 2 mi. W. of Murrieta on slopes up to Santa Rosa Plateau along Tenaja Rd. 396 Comment
  RSA716544  Schinus polygamus Andrea Edwards, Lindsay Messett 2006-3-22 119 Riverside Beaumont USGS quad; just south of Highway 60, west of its intersection with Interstate 10, along railroad tracks; next to Dowling Ranch. 777 Comment
  UCD93090  Schismus arabicus Ellis W. Van Gorder 1963-2-18 s.n. Riverside Colton. Comment
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Jun 8 2013
  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
  CAS-BOT-BC243458  Schismus barbatus Peter H. Raven 1958-1-23 11411 Riverside 2.7 miles west of Whitewater Post Office Comment
  RSA772124  Schismus barbatus Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4834 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
  SJSU1758  Schismus barbatus G. B. Youngberg 1956-3-30 220 Riverside among hills near La Sierra College, Arlington 228 Comment
  UC1108987  Schismus barbatus H. E. and S. T. Parks March, 1940 Riverside Santa Rosa Canyon near Indio; Santa Rosa Canyon Comment
  UCR59805  Scirpus microcarpus Jeri Hirshberg 1989-7-25 s.n. Riverside Peninsular Range, Marsh near SW edge of Vail Lake Comment
  SBBG101770  Scrophularia californica S. Boyd with T. Ross 1991-6-14 6401 Riverside Warm Springs Crk at the NE end of Hogbacks Ridge, from Alamos Rd, S to confluence with Adobe Spring tributary, 2-3 mi NW of Murrieta Hot Springs Comment
  RSA291603  Scrophularia californica subsp. floribunda C. W. Tilforth, Walter Wisura 1979-4-11 1764 Riverside East end of Murrieta-DeLuz Rd, ca. 2 air mi. south of Murrieta. 335 Comment
  RSA425200  Scrophularia californica subsp. floribunda N. C. Cooper 1944-5-20 1257 Riverside Palms to Pines Hwy. San Jacinto Mts. 1433 Comment
  UC494718  Scrophularia californica subsp. floribunda Philip A. Munz 1932-3-24 12029 Riverside s Elsinore lake 365 Comment
  LA55082  Scutellaria mexicana J. A. Ewan; 1930-4-18 3102 Riverside Dry Morongo Creek below Morongo Valley 518 Comment
  UCSB44683  Scutellaria mexicana Hibbard, Doug 1977-5-15 Riverside up wash from west side of Hwy 74; 8.45 miles from its intersection with Hwv 111 70 Comment
  CAS-BOT-BC69803  Selaginella bigelovii L. R. Abrams 1926-3-26 11082 Riverside Palm Springs. Comment
  RSA684086  Selaginella bigelovii Robert Gustafson 1980-5-5 1569 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon wash 610 Comment
  SEINET2043064 Image available Selaginella bigelovii A. C. Sanders, O . F. Clarke, P. MacKay, S. White, C. L. Sanders 1994-11-27 15867 Riverside Palm Canyon, from Hermit's Bench upstream to just beyond the confluence with East fork. 268 Comment
  UC306703  Selaginella eremophila S. B. Parish 1919-3-27 19190 Riverside West Canyon Palm Springs; Colorado Desert 167 Comment
  SEINET7063442  Senecio A. G. Vestal 1947-3-30 s.n. Riverside About 3.8 miles west of Sage on East Benton Road. Tucalosa Hills. UTM Zone 11, 499688mE, 3715592mN. (WGS84/NAD83). 527 Comment
  CLARK-A1656-755  Senecio douglasii Theo Glenn 1981-10-15 Riverside San Jacinto Mountains Comment
  CAS-BOT-BC323964  Senecio flaccidus var. douglasii F. Grinnell Jr. 1908-7-25 s.n. Riverside San Jacinto R. 762 Comment
  UCR40409  Senecio flaccidus var. douglasii Steve Boyd 1985-8-7 1113 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, Clinton Keith Road, [Slaughterhouse Canyon] 1.7 mi. east of gate to The Nature Conservancy Preserve 488 Comment
  UCR97474  Senecio vulgaris A. C. Sanders 1997-3-1 19703 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  UCR272682  Senegalia greggii Cheryl Sevilla, Sarah J. De Groot 2015-5-6 80 Riverside Sonoran (Colorado) Desert, Coachella Valley, north of the Santa Rosa Mtns., south of La Quinta, 2.1 air miles WSW of Lake Cahuilla 210 Comment
  UCSB2961  Senegalia greggii Keator, Glenn 1959-5-17 Riverside West side of Colorado Desert on Pines to Palms highway 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
  RSA0031605  Sequoiadendron giganteum Rudolf Schmid, Mena Schmid 2009-5-1 2009 -5 Riverside NW. San Jacinto Mtns., ne. of HW 243 ca. 16 highway km nw. of Idyllwild, in the s. unit of the San Bernardino National Forest, on sw. flank of Black Mtn. Right (as ascending) of Black Mountain Trail in flat open area on the sloping plateau or saddle, just above the head of Hall Canyon. 2093 Comment
  RSA0031606  Sequoiadendron giganteum Rudolf Schmid, Mena Schmid 2009-5-1 2009 -1 Riverside NW. San Jacinto Mtns., ne. of HW 243 ca. 16 highway km nw. of Idyllwild, in the s. unit of the San Bernardino National Forest, on sw. flank of Black Mtn. Just left (as ascending) of Black Mountain Trail on slope by large trunk lying across trail, at the, head of Hall Canyon. 2036 Comment
  CDA4261  Sesbania herbacea T. C. Fuller 1958-9-23 2153 Riverside Clinton Street & Avenue 46, north of Indio. 0 Comment
  UCR39359  Sesbania herbacea A. C. Sanders 1985-8-24 5950 Riverside lower Coachella Valley, near Oasis, Hwy 195, c. 1/2 mi. north of intersection with Hwy. 186 52 Comment
  UCR214435  Sesuvium verrucosum A. C. Sanders, Richard Dwerlkotte 2010-3-22 37515 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 2 mi. ESE (98 deg. ) of Sidewinder Well, south end of Palen Dry Lake, SW of Palen Mtns. 129 Comment
  RSA0006684  Sibaropsis hammittii Steve Boyd, Timothy S. Ross 1992-4-1 6775 Riverside Santa Ana Mountains., Elsinore Peak area, S of Lake Elsinore. South base of Peak (3448) to SE of Elsinore Peak area. 1000 Comment
  CAS-BOT-BC434387  Sidotheca trilobata Philip A. Munz 1937-5-31 15117 Riverside Below Anza Tablet [Table = Anza Bench], at head of Coyote Canyon, S.W. Riverside Co. 1005 Comment
  SD22559  Sidotheca trilobata Susan G. Stokes 1933-8-1 Riverside Idyllwild Comment
  POM10291  Silene antirrhina Charlotte M. Wilder 1905-4-19 30 Riverside Jurupa Hills, near Riverside. Comment
  UC55873  Silene antirrhina H. M. Hall May 17 1901-Jun 1 1901 1820 Riverside Palm Canyon 457 Comment
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Jun 21 2008
  RSA708076  Silene gallica Scott D. White, Angelia Carey 2004-4-16 10188 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
  UCR137710  Silene gallica D. L. Banks 1997-3-29 1564 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Headwaters of Pala Creek at the S extremity of the Reservation, north of the Riverside/San Diego Co. line, west of the intersection of Magee Truck Trail and Moreno Rd including a large area of vernally wet grassland at the extreme SW corner of the Reservation 409 Comment
  RSA559349  Silene multinervia Steve Boyd, Timothy S. Ross 1992-5-15 7393 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 670 Comment
  UCR121224  Silene verecunda subsp. platyota Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2260 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  UCR158049  Silene verecunda subsp. platyota Y. Katzenstein 1993-5-22 42 Riverside San Jacinto Mtns., James San Jacinto Mtns Reserve; along side drainage to the Hall Canyon creek, about 2mi from Lake Fulmor 1677 Comment
  CAS-BOT-BC364806  Silybum marianum Steve Boyd 1986-4-22 1726 Riverside Temescal Canyon: Walker Canyon area where Alberhill Creek (=Temescal Ck.) flows between Alberhill Mtn. and Gavilan Hills Comment
  RSA339241  Simmondsia chinensis Robert F. Thorne, R. Dahlgren, Gertrud Dahlgren 1979-8-22 53574 Riverside Joshua Tree National Monument: Nolina Rocks near Sheep Pass and sand quarry. 1341 Comment
  UCSB17802  Simmondsia chinensis Lockwood, Leo 1963-5-5 Riverside 12 miles S of Palm Desert on Palms to Pines State Highway 74, San Jacinto Mountains 914 Comment