Search Results — 2000 specimen records retrieved (1888 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UC34  Abies concolor H. M. Hall 1901-8-1 2584 Riverside Tamarack Valley San Jacinto Mountains Comment
  CAS-BOT-BC229356  Abronia villosa Roxana S. Ferris 1918-6-14 966 Riverside In desert at Palm Springs Comment
  JEPS61234  Abronia villosa E. E. Schellenger May 1920 Riverside canyon e Coachella; Colorado Desert Comment
  UC1136563  Abronia villosa H. S. Yates 1936-4-7 5543 Riverside 2 1/2 mi s Willis Palms; Thermal Quadrangle Comment
  SD39330  Abronia villosa var. aurita Florence Post 1931-5-1 Riverside Lake Elsinore Region. Comment
  SEINET4691915  Abronia villosa var. aurita Duncan S. Bell 2012-1 3183 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  UCD109809  Abronia villosa var. aurita R. N. Raynor 1933-3-31 s.n. Riverside Colorado desert, 13 miles east of Palm Springs. Comment
  JOTR31231  Abronia villosa var. villosa La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 2015 Riverside Joshua Tree National Park. Pinto Basin; (Stop 5) sandy fans leading to Pinto Wash 357 Comment
  RSA782338  Abronia villosa var. villosa Jim Andre, G. L. Clifton 2011-2-22 17467 Riverside Coachella Valley; just south of I-10 at Amtrak train station parking, just west of N Indian Canyon Drive 186 Comment
  CSUSB1602  Acacia greggii Elliott Helm 1975-5-23 Riverside Mojave Desert Mojave Desert, 16 miles north of 29 Palms, off highway 177 304 Comment
Read comments
Jun 3 2012
  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-BC30904  Acamptopappus sphaerocephalus Joy Keck 1935-4-14 3837 Riverside Lower Morongo Canyon, Colorado Desert Comment
  CAS-BOT-BC30910  Acamptopappus sphaerocephalus Howard Walton Clark 1926-6-1 s.n. Riverside Indio Comment
  SEINET7593330 Image available Achnatherum coronatum Mary F. Spencer 1921-1 Riverside Near Banning 701 Comment
  UC912658  Achnatherum hymenoides Margaret Stason 1927-2-12 Riverside 1000 Palm Canyon Colorado Desert Comment
  RSA27234  Achnatherum speciosum C. L. Hitchcock 1940-4-12 6046 Riverside 8 mi. northwest of Elsinore 457 Comment
  CHSC210  Achyronychia cooperi E. Thomas 1940-3-3 Riverside Along shore of Salton Sea. Comment
  UCD97894  Achyronychia cooperi Geoffrey Levin 1976-10-17 1175 Riverside Box Canyon, about 11 miles east of Mecca. Mecca Hills mountain range. 91 Comment
  UCSB1844  Achyronychia cooperi Beeks, Richard 1952-4-5 Riverside 12 miles E of Shaver Summit Comment
  RSA0121433  Acmispon glaber var. glaber Duncan S. Bell, LeRoy Gross 2016-3-30 9142 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.75 air miles southeast of the summit of Martinez Mountain. 698 Comment
  SD152856  Acmispon strigosus Steve Boyd 1992-4-15 6857 Riverside Santa Ana Mountains, San Mareo Canyon Wilderness Area, Bluewater Canyon along Bluewater Trail downstream to the confluence with san Mateo Creek, open benches 334 Comment
  SD215527  Acmispon strigosus Steve Boyd, Tim Ross, et al. 1990-4-2 4033 Riverside Vail Lake area, lower slopes of Agua Tibia Mountain along Highway 79, east of USFWS Dripping Springs Guard Station. 487 Comment
  RSA192185  Acourtia microcephala E. W. Lathrop 1960-6-8 4934 Riverside 14 miles west of Murrieta Comment
  RSA588171  Acourtia microcephala D. L. Banks, Victor Steinmann 1995-7-10 0747 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak., 33 deg 27'.024 N - 116 deg 57'.923 W. 597 Comment
  SEINET6654145  Acourtia microcephala Scott D. White, Justin M. Wood 2008-6-18 12202 Riverside Hiking tail from K flat to Apple Canyon Rd.; 0 Comment
  UCR112408  Acourtia microcephala A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23457 Riverside Menifee Valley, S of Newport Rd., north of Holland Rd. and east of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR21960  Acourtia microcephala Steve Boyd 1980-7-6 318 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  RSA768503  Acroptilon repens Justin M. Wood 2009-11-30 1387 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  CAS-BOT-BC30915  Adenophyllum porophylloides R. S. Ferris; Rimo Bacigalupi 1958-3-19 13234 Riverside Gully ca. 0.5 mi. S of Styx siding near Midland, Rice to Blythe Road Comment
  SJSU5451  Adenophyllum porophylloides R. C. McGehee 1970-5-1 258 Riverside 1 mile W of Chuckwalla Spring on Chuckwakka Road, Chuckwalla Mts Comment
  UC31367  Adenophyllum porophylloides H. M. Hall May 17 1901-Jun 1 1901 1835 Riverside East base San Jacinto Mountain 457 Comment
Read comments
Sep 17 2011
  UC667304  Adenophyllum porophylloides Annie M. Alexander and Louise Kellogg 1941-5-15 2181 Riverside in rock outcrop at base Eagle Mountains; Colorado Desert, Eagle Mountains 914 Comment
  CAS-BOT-BC167003  Adenostoma fasciculatum A. C. Sanders; T. B. Salvato; Matthew Malle; Jonas Winbolt; Katie A. Kurtz 2010-4-7 37809 Riverside Peninsular Range: southeastern Gavilan Hills north of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi. NW (356 deg. ) of intersection of I-15 and Lake St. 549 Comment
  SEINET232551  Adenostoma fasciculatum Sharon K. DuBois 1987-5-10 Riverside San Jacinto Mountains 1 mile up Bee Canyon off of Highway 74. Banning 15 minute quadrangle. 457 Comment
  UCR35168  Adenostoma fasciculatum L. B. Ziegler 1967-7-5 171 Riverside San Jacinto Mtns., south slope of Thomas Mountain 1616 Comment
  CAS-BOT-BC139874  Adenostoma sparsifolium J. C. Roos 1965-8-18 s.n. Riverside Thomas Valley, summit Palms to Pines Hwy., San Jacinto Mtns. Comment
  POM613  Adenostoma sparsifolium E. E. Schellenger 1901-07 s.n. Riverside Riverside. Comment
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Jun 18 2011
  SD84929  Adenostoma sparsifolium Nancy Ryan Zabriskie, Walter Zabriskie 1971-8-20 430 Riverside North side of canyon ca. 350 yds above 1st turnout, east side of Santa Rosa Mt. Rd. south of Hwy 74, Palm Canyon drainage, Santa Rosa Mts. 1524 Comment
  SEINET3077198 Image available Adenostoma sparsifolium Howard Scott Gentry 1974-8-26 23434 Riverside Mountain slope ca. 4 miles NE of Anza. 1372 Comment
  UCR193950  Adenostoma sparsifolium A. C. Sanders 2008-7-25 35902 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, NE of Bonita Vista Rd. at foot of hills 1543 Comment
  UCR264078  Adiantum capillus-veneris S. J. Myers, Vesta A. Myers, Bill Hopson 2015-1-2 1080 Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon, upper part of canyon, near Corona 732 Comment
  JEPS32114  Agnorhiza ovata Carl V. Meyer 1929-6-18 783 Riverside near Kenworthy (at edge of Hemet Valley); Hemet Valley Comment
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Mar 25 2011
  UCR89841  Agoseris grandiflora Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3298 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
  CAS-BOT-BC46157  Agoseris heterophylla Marcus E. Jones 1882-5-3 3222 Riverside Pasadena Comment
  RSA773663  Agoseris retrorsa Duncan S. Bell, J. D. England 2010-5-20 1026 Riverside San Bernardino National Forest: Garner Valley, approximately 1.75 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1361 Comment
  UCR90275  Agrostis pallens Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3335 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
  UCR24967  Agrostis scabra A. C. Sanders 1980-7-22 1699 Riverside Peninsular Range; San Jacinto Mtns., Drainage of the north fork of the San Jacinto River, along Forest Service Road 4S02, 0.8 mi south of Dark Canyon Campground, c. 2 air mi north of Pine Cove. 1829 Comment
  UCR164300  Agrostis viridis S. J. Myers 2001-7-16 s.n. Riverside San Jacinto Mtns, Bautista Canyon 878 Comment
  CAS-BOT-BC434483  Allionia incarnata Ira L. Wiggins 1941-3-27 9682 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  RSA717452  Allionia incarnata Scott D. White, Andrea Warniment 2006-3-22 11264 Riverside Eastern Coachella Valley a few mi E of Indio. Proposed I-10 Freeway / McMaughton Parkway Interchage, N of I-10 Freeway. 91 Comment
  POM20485  Allium cratericola Philip A. Munz, I. M. Johnston 1922-5-21 5512 Riverside Kenworthy, San Jacinto Mountains. 1418 Comment
  UCSB17640  Allium fimbriatum Keith, Sheldon 1963-5-5 Riverside W of Pinyon Flats Campground, 21.3 miles SE of Mountain Center on California State Highway 74 1219 Comment
  RSA666659  Allium haematochiton A. C. Sanders, Kent Beaman 2002-5-10 25053 Riverside Santa Ana Mtns., Santa Rosa Plateau: hills west of the head of De Luz Creek, 0.4 mi south of Tenaja Rd. on west side of Calle Roble near Avenida Matorral. 671 Comment
  UCR113750  Allium haematochiton June Latting 1978-6-4 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, Mesa de Colorado 640 Comment
  UCR138894  Allium haematochiton D. L. Banks 1997-4-5 1660 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
  UCR256903  Allium haematochiton LeRoy Gross, Duncan S. Bell 2013-4-30 6022 Riverside Peninsular Range; San Jacinto Mtns., Surveyed from Apela Drive, right at junction of road to sewage disposal ponds, south to Strawberry Creek. Started near 33.73367N, 116.75074W and ended at 33.72912N 116.75098W 1556 Comment
  SEINET12051124  Allium haematochiton M. McLeod, Keil, D. 1979-1 K 12972 Riverside Alberthill jct along Hwy 71 366 Comment
  UC64076  Allium lacunosum H. M. Hall May 17 1901-Jun 1 1901 1858 Riverside e base of San Jacinto Mt. San Jacinto Mt. Comment
  HSC86857  Allophyllum divaricatum K. Harper 1988-5-14 Riverside San Jacinto Mtns. along Hwy. 243, 1-2 mi. below Mt. Edna turn off Comment
  UCR31327  Allophyllum divaricatum A. C. Sanders, W. Rehlaender, N. M. Fellows 1983-6-28 3874 Riverside San Jacinto Mtns, Black Mountain, intersection of Forest Road 4S01 and the road to the lookout on the summit 2134 Comment
  SEINET2444444  Allophyllum gilioides A. C. Sanders, Tim Thomas; T. B. Salvato 2008-6-24 35563 Riverside Peninsular Range; San Jacinto Mtns. May Valley ca. 1.25 mi SW of Fleming Ranch, nameless tributary NW of Herkey Crk., north of Bonita Vista Rd. and NE of May Valley Rd. 1555 Comment
  UC52844  Allophyllum gilioides subsp. violaceum H. M. Hall 1901-7-17 2450 Riverside Tauquitz Valley San Jacinto Mts., Tauquitz Valley 2133 Comment
  LA210332  Allophyllum glutinosum Harlan Lewis; E. McClintock 1941-6-29 Riverside Gavilan Hills-Gavilan Plateau, Santa Rosa Rd Canyon 5 mi from Pines to Palms Highway Comment
  UC455464  Allophyllum glutinosum I. J. Condit 1910-6-24 Riverside San Jacinto Mts. 914 Comment
  UC908792  Allophyllum glutinosum Herbert L. Mason 1926-4-30 3131 Riverside 2 mi. s. Temecula Comment
  POM13056  Allophyllum violaceum E. C. Jaeger 1921-6-20 s.n. Riverside Tahquitz Valley, San Jacinto Mts. Comment
  RSA535475  Alnus rhombifolia Steve Boyd, Tim Ross, Orlando Mistretta 1992-2-2 6653 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Lower half of Tenaja Cyn, especially about Fishermans Camp. Comment
  RSA654880  Amaranthus arenicola T. B. Salvato, A. C. Sanders 2000-4-27 60 Riverside Coachella Valley: between Filmore & Buchanan on Avenue 56. -37 Comment
  UCR263225  Amaranthus blitoides A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41467 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 2.95 miles ESE of Cabazon, c. 0.84 mi. NNW (335 deg. ) of One Horse Spring, south of I-10 and SE of water bottling plant, edge of wind farm 452 Comment
  POM153376  Amaranthus californicus P. A. Munz, I. M. Johnston 1928-9-12 11247 Riverside Temescal Canyon, Lee s Lake. Comment
  UCR278835  Amaranthus deflexus Mitch Provance 2012-7-17 712- 12 Riverside San Gorgonio Pass, South Banning, adjacent to west side of Banning High School and the KOA on San Gorgonio Ave. 1134 Comment
  RSA0080441  Amaranthus fimbriatus Sarah J. De Groot, Duncan S. Bell 2015-9-21 7579 Riverside Santa Rosa Mountains south-southwest of Palm Desert. Hillside along Dunn Road, between Asbestos Mountain and Haystack Mountain, east-northeast of Potrero Spring. 1220 Comment
  RSA356608  Amaranthus fimbriatus R. F. Thorne 1966-10-15 41817 Riverside Palm Springs. Comment
  UCR272652  Amaranthus fimbriatus Sarah J. De Groot, Amy Rouillard 2015-9-15 7556 Riverside Ford Dry Lake, Chuckwalla Valley north of Hwy I-10 107 Comment
  UCR274219  Amaranthus fimbriatus Duncan S. Bell, Evan Meyer 2014-10-28 7669 Riverside northwest section Orocopia Mountains, c. 1.8 air miles northwest of the summit of Orocopia Mountain 936 Comment
  JEPS54324  Amaranthus retroflexus M. and J. Lesley Oct 1929 Riverside Riverside Comment
  RSA500104  Amaranthus retroflexus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3666 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  JEPS123814  Amaranthus torreyi J. Andre, T. La Doux 2008-9-16 10686 Riverside Joshua Tree National Park: JTNP: along Bell Mountain Road, atop Bell Mountain approx. 0.3 mi N of radio tower. Queen Mountain USGS 7.5' Quad. Comment
  POM361077  Ambrosia X platyspina Anstruther Davidson 1895-04 2008 Riverside Palm Springs; Colorado Desert. Comment
  SEINET2043617 Image available Ambrosia acanthicarpa H. S. Gentry 1954-7-26 14252 Riverside Dripping Springs, along Rt. 79 Comment
  UC2047211  Ambrosia acanthicarpa A. C. Sanders with Sandra L. Leatherman, Jeff Crain 2015-5-18 41712 Riverside Temescal Valley near Glen Ivy, along Temescal Canyon Road at Campbell Ranch Road intersection. Lake Mathews 7.5' Quad. Comment
  RSA675683  Ambrosia confertiflora Scott D. White 2001-6-20 8595 Riverside Sun City Area: Just east of Goetz Rd. and south of Ethanac Rd., ca. 1 1/2-2 mi west of I-215 Freeway. 442 Comment
  LA202895  Ambrosia dumosa Carl Epling; 1927-3-27 sn Riverside Thousand Palms Comment
  SEINET10948333  Ambrosia dumosa David B. Dunn 1946-3-15 Dunn 2037 Riverside Collected on dry plateau in vicinity of Pushawalla Canyon, Indio Hills. Comment
  CAS-BOT-BC30794  Ambrosia ilicifolia Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center Comment
  UCR77564  Ambrosia pumila Steve Boyd, T. S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6331 Riverside Peninsular Range, Skunk Hollow area, 2 mi east of Murrieta Hot Springs, just west of Second San Diego Aquaduct Comment
  CAS-BOT-BC273022  Ambrosia salsola F. O. Ballou 1926-2-27 s.n. Riverside Old Beach Line at base of Santa Rosa Mts near Fish Springs Comment
  LA36849  Ambrosia salsola LeRoy Abrams; 1941-4-24 13935 Riverside San Jacinto Mountains, San Gorgonio Pass, near Cabazon Comment
  SEINET8507136 Image available Ambrosia salsola Deidre Conocchioli, Duncan S. Bell 2014-3-18 261 Riverside Orocopia Mountains 11.6 miles NE of the Salton Sea. 1.9 miles N of Salt Creek drainage; 0.2 miles SW of Gucci Spring. 390 Comment
  UC1923764  Ambrosia salsola John L. Strother 2008-3-10 1370 Riverside ca. 18 km (11 miles) W of Chiriaco Summit, along N frontage of I-10 420 Comment
  SEINET895792 Image available Amorpha californica Al Grable 1976-1 6450 Riverside California false indigo. Santa rosa Myns. Rd. below Mtn. Home Spring. 2012 Comment
Read comments
Aug 25 2013
  POM157929  Amorpha fruticosa P. A. Munz 1927-5-21 10841 Riverside Creek bank, 7 miles SW of Coahuila. Comment
  UCR119435  Amorpha fruticosa A. C. Sanders, Mitch Provance 1999-9-26 23089 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  RSA80004  Amsinckia intermedia F. W. Peirson 1921-3-22 s.n. Riverside Murray Canyon, near Palm Springs 487 Comment
  UCR102120  Amsinckia intermedia George K. Helmkamp 1984-5-2 D 7 Riverside Little San Bernardino Mountains, Big Morongo Canyon, 3 - 3.5 miles below the caretaker's house at the Big Morongo Preserve 610 Comment
  UCR241948  Amsinckia intermedia A. C. Sanders, Timothy W. Chumley 2013-3-28 40707 Riverside Peninsular Range, Alberhill, along Lake St. 1.45 km south of I-15, near old clay mines 396 Comment
  RSA0089620  Amsinckia intermedia W. Wisura, A. King, L. Newcomb 1992-4-10 4675 Riverside Gorgonio Pass: Stubbe Canyon N of W-Palm Springs. 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
  POM368401  Amsinckia tessellata P. J. Remple 1942-3-1 s.n. Riverside Between Indio and Palm Springs. 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
  RSA778113  Amsinckia tessellata var. tessellata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 928 Riverside East Mojave Desert region: McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 335 Comment
  JOTR16548  Amsonia tomentosa Dengler, A. 1966-4-28 86 Riverside Joshua Tree National Park. QUEEN VALLEY 1341 Comment
  LA202849  Amsonia tomentosa C. L. Hitchcock; 1940-3-31 5882 Riverside 0.5 mi. below Cottonwood Springs Comment
  RSA613146  Anagallis arvensis D. L. Banks 1997-3-29 1654 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. An area of native grassland along the Magee Truck Trail at the southern extremity of the Reservation just before the Riverside / San Diego County line border. 463 Comment
  RSA586498  Ancistrocarphus filagineus Darin L. Banks, Steve Boyd 1995-5-9 0329 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  SBBG122771  Ancistrocarphus filagineus A. Parikh 1990-4-25 155 Riverside NNW slope, base of Gavilan Pk, S of Harford Sprinkg Co Park, 1.7 km N of Lake Mathews Drive9 km E of Gavilan Rd 637 Comment
  CAS-BOT-BC137812  Andropogon glomeratus var. scabriglumis Catherine Best 1999-2-7 1505 Riverside Growing along the creek in Andreas Canyon, near Palm Springs. Comment
  UCR174515  Anemopsis californica A. C. Sanders, John F. Green 2006-5-18 32377 Riverside Peninsular Range, French Valley, Briggs Road, stream crossing just south of Los Alamos Road, upstream of Adobe Spring and west of Hwy 79 409 Comment
  SEINET2028544 Image available Antennaria speciosa H. M. Hall 1901-6-1 2401 Riverside San Jacinto Mountains 2830 Comment
  RSA519212  Anthemis cotula M. Lee Overholtzer 1962-6-20 271 Riverside 4 miles southwest of Corona at Las Barrancas on oak Street. Comment
  UCR158325  Anthriscus caucalis A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30072 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
  HSC84222  Antirrhinum coulterianum H. A. Heaton 1987-5-2 14 Riverside San Jacinto Mtns., 2.1 mi. up Bee Canyon from Hwy. 74 732 Comment
  POM354844  Antirrhinum coulterianum N. C. Cooper 1944-6-17 2007 Riverside San Jacinto Mountains: above Banning 1372 Comment
  UCR120700  Antirrhinum cyathiferum A. C. Sanders 1978-4-23 DC 149 Riverside Western Colorado Desert, Boyd Deep Canyon Desert Research Center, south of Palm Desert, 0.25 mi SW of Boyd Center (research station) 305 Comment
  RSA425814  Antirrhinum filipes E. C. Jaeger 1922-04 717 Riverside Chuckwalla Bench Comment
Read comments
May 29 2011
  RSA689390  Antirrhinum nuttallianum Scott D. White, Michael Honer 2003-6-17 9546 Riverside S Perris Basin: Murrieta. Interstate 215 / Clinton Keith interchange. 457 Comment
  UCR107893  Antirrhinum nuttallianum G. F. Pratt 1997-3-8 s.n. Riverside Box Springs Mtns, S-facing slopes near highest peak, right around radio towers. 915 Comment
  UC444964  Antirrhinum nuttallianum subsp. nuttallianum Edmund C. Jaeger 1927-4-2 Riverside Box Springs Mountains Comment
  RSA615134  Aphanes occidentalis A. C. Sanders, G. Helmkamp 1997-3-15 19956 Riverside Lake Skinner area: NE of Skinner Lake in a tributary to Rawson Canyon, along the dirt road. 503 Comment
  RSA716377  Apiastrum angustifolium Scott D. White 2006-4-27 11296 Riverside Santa Rosa Hills, S. of Hemet. 549 Comment
  UC697754  Apium graveolens Kay H. Beach 1942-10-22 1661 Riverside 3 mi nw city limits of Corona (along Chino Creek); Chino Creek 198 Comment
  UCR5969  Arabis sparsiflora var. arcuata Sue Freeman 1966-4-30 s.n. Riverside San Jacinto Mtns., above Fuller Mill Creek, 0.5 mi upstream from Banning-Idyllwild Rd. 1677 Comment
  SEINET3093971 Image available Arbutus menziesii Mackell Kohn 1959-2-26 Riverside 300 yds. So. on road running behind C. E. S. administration bld. U. C. R. campus. Comment
  POM354262  Arceuthobium campylopodum Albert J. Perkins 1916-9-4 s.n. Riverside Idyllwild. Comment
Read comments
Mar 21 2011
  RSA33617  Arceuthobium campylopodum N. C. Cooper 1944-7-16 1547 Riverside At trailside. San Jacinto Mt. above Pine Cove 2073 Comment
  RSA629158  Arctostaphylos Jon E. Keeley 1992-7-17 16788 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  RSA629162  Arctostaphylos Jon E. Keeley 1992-7-17 16799 Riverside Road to Thomas Mountain (5S15), 6.0 km north of Toolbox Spring. 1790 Comment
  RSA629383  Arctostaphylos glandulosa Jon E. Keeley 1992-4-17 15082 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA629444  Arctostaphylos glandulosa Jon E. Keeley 1992-7-16 16575 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA629416  Arctostaphylos glandulosa subsp. leucophylla Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19496 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd. Below large boulders, southern Santa Ana Mtns. 850 Comment
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Jun 8 2012
  UC1121482  Arctostaphylos glandulosa subsp. zacaensis A. E. Wieslander 1936-8-29 680 Riverside 5 mi sw Rayneta; San Bernardino National Forest, San Jacinto Quadrangle 1524 Comment
  POM49844  Arctostaphylos glauca P. A. Munz, I. M. Johnston 1924-7-29 8877 Riverside Poppet Flat, San Jacinto Mts. 1524 Comment
  RSA631733  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19295 Riverside Highway 79, at Radec. 580 Comment
  RSA631745  Arctostaphylos glauca Jon E. Keeley 1992-6-12 15530 Riverside Road to Elsinore Peak, 1.5 km south of Highway 74. 850 Comment
  RSA631779  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19259 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA631808  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15071 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  SDSU13993  Arctostaphylos glauca Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2146 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of wet meadow (El Valle complex). 646 Comment
  UCR178833  Arctostaphylos glauca Jeffrey Ross 1998-3-17 MOR- 1024 Riverside San Bernardino Mtns., Morongo Indian Reservation, upper Potrero Canyon, near dirt road at outlet to sag pond at Burro Flats, Tree Stand P-04 1098 Comment
  RSA633569  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16673 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA633597  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-17 16704 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633610  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22526 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633634  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20139 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633701  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16671 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA633765  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16650 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 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-BC44370  Arctostaphylos pringlei subsp. drupacea C. B. Wolf 1932-8-4 3922 Riverside Strawberry Valley, one and one-half miles from Idyllwild on road to Banning, San Jacinto Mts. 1706 Comment
  CAS-BOT-BC44375  Arctostaphylos pringlei subsp. drupacea H. E. McMinn 1925-7-2 1495 b Riverside Tahquitz Trail - San Jacinto Mts. Comment
  RSA635646  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-16 16610 Riverside Road to Santa Rosa Mtn. (7S02), 0.5 km south of Hwy 74. 1475 Comment
  UC1861761  Arctostaphylos pringlei subsp. drupacea Steve Boyd, Valerie Soza 2004-6-22 11552 Riverside Peninsular Ranges: San Jacinto Mountains region: Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along forest service road 5N13 near 5N06. 1463 Comment
  RSA635990  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19489 Riverside West of Temecula, off Calmara Rd., 1 km south of Carancho Rd. and west of De Luz Rd., eastern Santa Margarita Mountains. 600 Comment
  RSA636009  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19556 Riverside Carancho Rd., W. of Temecula. 440 Comment
  UCR161150  Arctostaphylos rainbowensis John F. Green 2005-2-24 s.n. Riverside Santa Ana Mtns Region, Santa Rosa Plateau, just SE of Redonda Mesa and SW of Mesa de Colorado, 9.6 acre parcel south of the junction of El Cerezo Road and Corona Cala Camino 793 Comment
  UCR252765  Arctostaphylos rainbowensis John Dvorak, Ana Hernandez 2012-4-5 021 Riverside Peninsular Range, 1.2 kilometers, 353 degree bearing from the intersection of Anderson Road and Rainbow Heights Road, Hills north of Rainbow Conservation Camp State facility 599 Comment
  CAS-BOT-BC401605  Argemone corymbosa subsp. corymbosa J. H. Thomas 1949-4-23 455 Riverside 9 miles north of Desert Center, near Boulder Well, on highway between Desert Center and Rice Comment
  UCR41215  Argemone munita N. M. Fellows, A. C. Sanders 1985-4-9 136 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
  RSA434322  Argemone munita subsp. munita N. Cooper 1949-6-29 4289 Riverside East side of San Jacinto, dry roadside bank 1524 Comment
  CAS-BOT-BC207119  Argythamnia lanceolata Marcus E. Jones 1929-9-16 24871 Riverside East of Desert Center Comment
  RSA385025  Aristida adscensionis L. H. Jones 1910-3-17 s.n. Riverside Riverside Mountain, Colorado River Comment
  SBBG57071  Aristida adscensionis M. N. Ackley -Mar-1928 51 Riverside Colorado Desert 60 Comment
  SEINET191852  Aristida adscensionis C. L. Hitchcock 1940-3-30 5878 Riverside Cottonwood Spring Comment
  SEINET3918906  Aristida adscensionis David Charlton 1988-2-18 1129 Riverside S side of Little San Bernardino Mtns. Fargo Canyon Road to Cottonwood Wash, S of Joshua Tree National Park, parallel to I-10. 1 mi. E of Jct Dillon Rd. and Fargo Cyn. Rd.; 0 610 Comment
  UCR100872  Aristida adscensionis George K. Helmkamp, E. A. Helmkamp 1998-2-18 2701 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  RSA129293  Aristida adscensionis var. modesta H. S. Yates 1937-3-23 6442 Riverside 15 miles NNE of Mecca 457 Comment
  UC126632  Aristida californica var. californica H. M. Hall 1905-5-1 5963 Riverside canyons along Colorado River; Colorado Desert Comment
  SD248293  Aristida oligantha Marc A. Baker, Amy Robinson, Chris Hackbarth & Michelle Cloud-Hughes. 2013-3-19 17715 Riverside Palo Verde Mesa, 14 km SW of Blythe, 5 km ENE of north end of the Mule Mountains. (Ripley 7.5'Q) Comment
  SEINET1906699  Aristida purpurea A. C. Sanders, G. Helmkamp, P. MAcKay 1995-1 16181 Riverside coachella Valley/ San Jacinto Mtns. Foothills: Chino Canyon near the Palm Springs tram station. 792 Comment
  UCR19696  Aristida purpurea var. wrightii J. R. Holliday 1969-5-5 44 Riverside Peninsular Range; San Jacinto Mtns. Foothills, Hwy 79, 1.5 mi NW of Gilman Hot Springs, 200 yards north of the road junction 463 Comment
  UCR243132  Artemisia dracunculus Kate Kramer 2012-5-8 257 Riverside Peninsular Range; San Jacinto Mountains, south side of Hwy 74 near cement-lined water flue at National Forest Lands boundary 576 Comment
  JOTR32844  Artemisia ludoviciana subsp. incompta La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1033 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; granitic bouldery slopes above wash 1260 Comment
  UCR34918  Artemisia ludoviciana subsp. incompta L. B. Ziegler 1967-8-30 230 Riverside San Jacinto Mtns, Hemet Valley 1357 Comment
  RSA721875  Asclepias albicans J. Mark Porter, Orlando Mistretta 2003-6-5 13604 Riverside Chocolate Mountains. Chocolate Mountain Bombing and Gunnery Range. Unnamed canyon, S of Salt Creek, accessed via Siphon 21 of the Coachella Canal; fork running east, above the pour-off. 439 Comment
  SEINET5539659  Asclepias californica H. S. Gentry 1954-1 14257 Riverside Dripping Springs, along Route 79. Comment
  JEPS6278  Asclepias erosa W. L. Jepson 1914-5-16 6064 Riverside e base Mt. San Jacinto (Palm Springs); Colorado Desert Comment
  RSA778425  Asclepias subulata Stephanie Rockwood, Christi Gabriel 2011-10-12 88 Riverside Sheephole Valley Wilderness, parallel Cadiz Valley. Unnamed road off highway 62. 242 Comment
  UC399493  Aspidotis californica S. B. Parish 1908-4-4 6891 Riverside hills near <Declez> ([W end of Jurupa Hills]) Comment
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Aug 14 2010
  UCR89799  Aspidotis californica Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3341 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
  RSA5226  Aster alpigenus var. andersonii C. B. Wolf 1932-8-5 3953 Riverside On trail from Tahquitz Valley to San Jacinto Peak; head of a fork of Tahquitz Creek. San Jacinto Mountains. 2744 Comment
  RSA40608  Aster ascendens J. C. Roos 1946-9-14 3014 Riverside Thomas Valley 1375 Comment
  UCR93056  Aster subulatus Steve Boyd, D. Banks 1994-9-29 8363 Riverside Lake Elsinore, Floodplain east of dike along San Jacinto River, west of Sedco Hills community 381 Comment
  CLARK-A1045-79  Astragalus douglasii George K. Helmkamp 1977-4-30 Riverside San Jacinto Mountains Lake Fulmor 7.5'Q Comment
  UCR132659  Astragalus douglasii Michael D. Wilcox 2001-6-18 s.n. Riverside San Jacinto Mtns., Bautista Canyon 1280 Comment
  RSA483577  Astragalus douglasii var. parishii D. Charlton 1988-5-21 1975 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on hwy 74. 1829 Comment
  RSA594759  Astragalus douglasii var. parishii D. L. Banks, Dylan Hannon 1996-5-3 1001 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UC862682  Astragalus douglasii var. parishii I. W. Clokey, E. G. Anderson 1935-8-21 6718 Riverside e Keen Camp P.O.; e of Keen Camp P.O. 1350 Comment
  UC68633  Astragalus insularis var. harwoodii H. M. Hall Apr., 1905 5976 Riverside Hodges Mts. , Hodges Mts. (Colorado Desert) 152 Comment
  UCR50989  Astragalus layneae B. G. Pitzer, S. J. Myers, J. Wilkinson 1988-2-21 0599 Riverside Sonoran (Colorado) Desert, S end of Coxcomb Mtns, 0.2 mi. north of Hwy 177 (Old Desert Center - Rice Road), at 10.6 mi. NE of Desert Center 229 Comment
  LA204981  Astragalus lentiginosus var. coachellae Carl Epling; 1937-3-27 sn Riverside Thousand Palms Comment
  NY5502  Astragalus lentiginosus var. coachellae A. Eastwood 1913-4-30 3116 Riverside This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  POM24940  Astragalus lentiginosus var. coachellae H. M. Hall 1905-4-14 5757 Riverside Whitewater, on the Colorado Desert. 240 Comment
  RSA0025909  Astragalus lentiginosus var. variabilis Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4692 -A Riverside Sonoran Desert: Chuckwalla Valley, active sand dunes +/- 7.25 miles northeast of Desert Center, +/- 3.0 miles E of SR-177, and +/- 1.0 mile N of abandoned Jojoba farm. 149 Comment
  UCR109472  Astragalus nuttallianus A. C. Sanders, K. C. Rose 1995-4-5 16371 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  RSA550340  Astragalus nuttallianus var. imperfectus Walter Wisura, John Dolan, Michael Wall 1992-3-25 4648 Riverside Low Desert: Ford Dry Lake N of I-10 at Hopkins Well. Comment
  UC310838  Astragalus pachypus var. jaegeri Philip A. Munz 1925-5-20 9842 Riverside dry slopes on divide e Dripping Springs; on divide e of Dripping Springs 518 Comment
  UCR189585  Astragalus pachypus var. jaegeri Carlos Navarro 2006-4-19 019 Riverside Peninsular Range, Aguanga Basin, Agua Tibia, just east and up slope from the Dripping Springs campground, near Gaurd Station with weather meters 503 Comment
  RSA286552  Astragalus palmeri John F. Emmel 1979-9-12 693 Riverside SE end San Jacinto Mts. desert slope; South base of Sugarloaf Mtn., near SE end of Pinyon Flat. 1250 Comment
  POM202254  Astragalus pomonensis Marcus E. Jones 1933-4-5 s.n Riverside Hemet. Comment
  RSA415659  Astragalus pomonensis N. C. Cooper 1944-4-8 1055 Riverside Andreas Canyon. 305 Comment
  SEINET3860170  Astragalus pomonensis John F. Green 2009-3-7 s.n. Riverside Peninsular Range: Wildomar, west of Grand Ave off Sweet Nectar Rd.; 0 415 Comment
  SJSU12733  Athyrium filix-femina var. cyclosorum C. W. Sharsmith 1945-8-28 5451 Riverside by Indian Creek W side Mt. San Jacinto 1828 Comment
  UCR49224  Athysanus pusillus Steve Boyd 1986-4-2 1603 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  POM13995  Atrichoseris platyphylla Philip A. Munz, D. D. Keck 1922-4-9 4888 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  CAS-BOT-BC170586  Atriplex Mark A. Elvin 2005-5-24 4317 Riverside Perris, east of I-215, south of San Jacinto River, NW corner of junction of Ellis Ave. and first road east of I-215 - Perris Basin, Southern Coastal Slope 426 Comment
  POM278695  Atriplex canescens Grant D. Brown 1950-3-29 525 Riverside At San Jacinto River Bridge 3 miles N of San Jacinto Comment
  SEINET3930589  Atriplex canescens R. L. Piemeisel 1913-9-19 3655 Riverside W. Riverside.; 0 Comment
  UC1080345  Atriplex canescens E. K. Balls and P. C. Everett 1957-11-5 22757 Riverside just s Thermal (State Hwy 111); s of Thermal 30 Comment
  UC110326  Atriplex canescens T. S. Brandegee Nov 1891 Riverside Salton Comment
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Sep 11 2011
  RSA0135545  Atriplex coronata var. notatior David E. Bramlet, Rick Riefner 2005-7-28 3906 Riverside Upper Salt Creek, 3.7 miles northwest of Hemet. 1,650 ft. north of Devonshire Ave. and 60ft west of Warren Road. 80 ft. east of the MWD canal. 458 Comment
  SD152629  Atriplex coronata var. notatior Craig Reiser 2000-9-7 Riverside Hemet, northwest corner of California and Stowe streets Comment
  UCR55657  Atriplex coronata var. notatior L. F. LaPre, Jack Easton 1988-7-10 s.n. Riverside Perris-Aguanga Basin Region, San Jacinto River, 1 mi east of Perris [near Case Rd.] 427 Comment
  SD243321  Atriplex glauca R. E Riefner 2006-2-20 06 29 Riverside City of Corona, along Magnolia Ave on-ramp on SW side of I-15 Freeway. (Corona South 7.5'Q) 216 Comment
  CLARK-A1656-607  Atriplex hymenelytra Lois Ann Scott 1978-1-13 Riverside Indio Hills Comment
  JEPS59582  Atriplex hymenelytra W. L. Jepson 1927-4-12 11641 Riverside Painted Canyon Mecca Hills, Painted Canyon 76 Comment
  SD253433  Atriplex hymenelytra A. C. Sanders, Jim Malusa 2015-3-10 41370 Riverside Sonoran (Colorado) Desert: North end of Chocolate Mountains, Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range. 609 Comment
  JEPS59604  Atriplex lentiformis W. L. Jepson 1914-5-21 6038 Riverside Indio Colorado Desert, Indio 7 Comment
  RSA612719  Atriplex parishii H. C. Stutz 1994-10-17 9693 Riverside W side of Hemet, 100 yards East of California Street terminus Comment
  RSA780958  Atriplex polycarpa Stephanie Rockwood, Christi Gabriel 2011-10-19 134 Riverside I95 Pulloff about 6 miles from Blythe Itaglios Marker. Boundary of Indian Reservation land. Desert Conservation Area. 99 Comment
  RSA735905  Atriplex prostrata Scott D. White, Justin Wood 2008-6-24 12287 Riverside San Timoteo Canyon. Meadow along San Timoteo Creek. 640 Comment
  UCR123221  Atriplex rosea O. F. Clarke, Jeanine Derby 1973-9-14 s.n. Riverside Peninsular Range, Temecula 300 Comment
  SD162764  Atriplex semibaccata Virginia Moran 1999-2-9 Riverside C.f. West Coast Thoroughbred Farm, 12150 Riverside Avenue, disturbed area (farm slated for development) Comment
  UC72715  Atriplex semibaccata F. M. Reed 1903-8-15 374 Riverside near Rincon; near Rincon Comment
  SEINET4136178  Atriplex serenana T. B. Salvato, Melissa Clemons 2005-6-23 1305 Riverside Penninsular Range; Temescal Valley: Walker Canyon, 1.5 mi due E of Alberhill, N of Hwy I-15; 0 412 Comment
  UCD97796  Atriplex serenana K. Esau 1935-6-15 s.n. Riverside Riverside. Comment
  RSA774514  Avena barbata Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4467 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 W116.64315 487 Comment
  UC774846  Baccharis brachyphylla Carl B. Wolf and P. C. Everett 1942-10-13 11436 Riverside 3/10 mi below San Bernardino County line Morongo Pass 670 Comment
  CAS-BOT-BC106738  Baccharis salicifolia C. L. Hitchcock 1966-3-15 24159 Riverside 3 mi. e. of Glen Ivy Hot Springs, in sandy wash. Comment
  RSA751623  Baccharis salicifolia G. Gust, L. Nye 2005-3-10 535 Riverside City limits of Lake Elsinore on River bank just off of Auto Center Dr., N of junction with Diamond Dr. 400 Comment
  SDSU13511  Baccharis salicifolia subsp. salicifolia W. Miller with C. Mosse 1972-7-19 Riverside Comment
  CAS-BOT-BC106626  Baccharis salicina J. Ewan 1931-10-3 5216 Riverside River bottom flat, Santa Ana River, 4 mi. N.W. of Corona Comment
  SBBG63299  Baccharis sarothroides R. C. and J. R. Robbins 1933-2-15 Riverside Pinyon Flat, Palms to Pines (St Hwy 74) Comment
  IRVC14322  Baccharis sergiloides L. McHargue 1971-10-23 none Riverside Whitewater Cove: northern shore of the Salton Sea, 6 miles south of Mecca, wet, saline clay loam soil. Sonoran Desert -70 Comment
  POM46867  Baccharis sergiloides George B. Grant 1906-05 s.n. Riverside Palm Springs Comment
  SD218272  Baccharis sergiloides Mark A. Elvin 2004-4-9 3256 Riverside Little San Bernardino Mountains; UC Burn's Pinyon Ridge Reserve, ca. 1.5 miles east of Pioneertown, east of Burn's House. 1264 Comment
  UCR125437  Bacopa monnieri A. C. Sanders, P. J. MacKay, D. L. Sanders 2003-2-9 25683 Riverside Sonoran (Colorado) Desert, Coachella Valley, 84th Ave. east of Johnson St., near west edge of Salton Sea -67 Comment
  LA204018  Bahiopsis parishii H. Lewis; 1952-4-5 sn Riverside Road to 29 Palms 1 mi. S of road to Desert Hot Springs Comment
  RSA450760  Bahiopsis parishii J. C. Roos 1965-9-26 s.n. Riverside Santa Rosa Mtns. 701 Comment
  RSA5361  Bahiopsis parishii B. D. Stark 1932-6-15 1525 Riverside Base of Eagle Mountains above Utopia, Colorado Desert. 229 Comment
  RSA605209  Baileya multiradiata A. C. Sanders, G. Helmkamp, P. Mackay 1995-3-12 16019 Riverside Coachella Valley: Indo, just SW of the Whitewater River Channel at Auto Center Dr (Hwy 111) -8 Comment
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Jan 14 2010
  CAS-BOT-BC99962  Baileya pauciradiata N. Aitkenhead 1977-2-1 2110 Riverside 1000 Palms Sand Dune Natural Area Comment
  POM350661  Baileya pauciradiata N. C. Cooper 1944-5-20 2642 Riverside Palm Springs. 137 Comment
  UCR156472  Barbarea orthoceras T. B. Salvato, A. C. Sanders 2005-5-17 887 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
  RSA516762  Bebbia juncea Ed LaRue 1989-4-26 s.n. Riverside 2 mi. (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  UCR214324  Bebbia juncea A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38384 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  UCSB42271  Bebbia juncea Roos, John 1965-6-19 Riverside Sky Line Drive, S of Corona, Santa Ana Mountains. Comment
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May 21 2011
  JEPS19299  Bebbia juncea var. aspera W. L. Jepson May 17 1901-Jun 1 1901 1266 Riverside San Jacinto River to Strawberry Valley Comment
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Jul 8 2014
  JEPS32146  Bebbia juncea var. aspera W. L. Jepson 1927-4-11 11626 Riverside Whitewater Bridge 457 Comment
  RSA0034159  Bebbia juncea var. aspera M. Bourell 1987-4-14 3270 Riverside BLM California Conservation Area, Hwy 195. Spur off of Box Canyon, near Mecca. 150 Comment
  UC128834  Bebbia juncea var. aspera Geo. F. Reinhardt 1897-6-1 Riverside San Jacinto Valley Comment
  UC604870  Bebbia juncea var. aspera Roxana S. Ferris and Ruth P. Rossbach 1938-5-15 9555 Riverside 1 mi below Cottonwood Springs Comment
  UC68958  Bebbia juncea var. aspera H. M. Hall 1905-5-2 5969 Riverside Colorado Desert, Chuckawalla Mts. Comment
  UCR113256  Bebbia juncea var. aspera Mitch Provance 2000-9-1 2228 B Riverside Jurupa Mtns., Pyrite Canyon, c. 0.5 miles SW of peak 1538 305 Comment
  UCR244893  Bebbia juncea var. aspera Jim Andre 2012-3-19 21373 Riverside Sonoran (Colorado) Desert, Palen Valley along Palen Pass Rd [Coxcomb Monument Rd.] (dirt), 7.1 mi. east of Hwy 177 321 Comment
  UCR112796  Bloomeria crocea A. C. Sanders 1997-5-1 20623 Riverside Lake Skinner area, along horse trail in southern part of Lake Skinner Park, west of Tucalota Hills and east of Warren Rd. 488 Comment
  RSA581745  Boechera californica M. Wall, L. Fuentes 1995-4-13 102 Riverside Santa Rosa Mountains, along Hwy 74, 14.8 miles southeast of Hwy 243 junction in Mountain Center. Burned area along highway, just past the Pacific Crest Trail crossing. Comment
  UCSB26857  Boechera californica Gerhart, Janet 1963-5-3 Riverside 8.5 miles north of Lake Fulmor Picnic area on Banning-Idyllwild road 1219 Comment
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Mar 14 2014
  UC56911  Boechera perennans H. M. Hall 1901-5-24 1897 Riverside e base San Jacinto Mts. (Vandeventer's, along borders of the Colorado Desert,); , Colorado Desert 1371 Comment
  JOTR34053  Boechera xylopoda La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2953 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; loamy-gravel, steep, southeast facing slopes above Lost Horse Mine Trail Comment
  RSA770621  Boerhavia Robert F. Thorne 1966-10-15 41802 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  CLARK-A1528-5357  Boerhavia anisophylla John C. Roos 1937-8-20 12 Riverside Desert Center 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-BC434522  Boerhavia diffusa S. B. Parish; W. F. Parish 1881-7-1 590 Riverside Base of San Jacinto Mt. Comment
  JOTR35995  Boerhavia wrightii Harding, Mitzi, Mark Wheeler 2012-9-4 206 Riverside Joshua Tree National Park. Clark's Pass; low area of mud flats surrounded by fine sand hills, just south of Highway 62 (stop 5) 538 Comment
  UCR33578  Boerhavia wrightii Sears 1977-10-10 S 525 Riverside Sonoran (Colorado) Desert, 10 mi NE of Desert Center, base of Coxcomb Mtns 171 Comment
  UCR19697  Bothriochloa barbinodis John C. Roos 1965-6-23 s.n. Riverside Sonoran (Colorado) Desert, Lost Palms Canyon in the Eagle Mtns Comment
  SEINET13310638  Bouteloua aristidoides A. C. Sanders 2015-9-11 41861 Riverside Sonoran (Colorado) Desert: Bradshaw Trail 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Gunnery Range. 480 Comment
  RSA780275  Bouteloua aristidoides var. aristidoides Stephanie Rockwood, Christi Gabriel 2011-10-12 101 Riverside Unnamed Road heading toward Arica Mountains. Off Blythe/Rice Road. Base of Aricas. 334 Comment
  UCR198196  Bouteloua aristidoides var. aristidoides Michael Honer, L. Hulse 2004-4-3 1917 Riverside Colorado Desert, Little San Bernardino Mountains, Rockhouse Canyon c. half mi north of intersection with Fargo Canyon 610 Comment
  CLARK-A1528-4511  Bouteloua barbata John C. Roos 1937-8-20 1227 Riverside Blythe Comment
  SEINET4560370  Bouteloua barbata Aaron C. Sedwick, Cody Leslie 2012-1 120 Riverside Mojave Desert; Southcentral Mojave Desert region: South of 29 Palms Hwy 62 in a wash ~ 3 mi. east of Chadwick Rd. West of Ironage road ~1500 ft 243 Comment
  UCD56848  Bouteloua barbata H. M. Reed 1934-9-26 8959 Riverside San Jacinto Mts. At Herkey Creek Camp Ground. 1341 Comment
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Dec 7 2014
  JEPS15397  Bouteloua barbata var. barbata Joseph and Hilda Grinnell 1937-11-30 1080 a Riverside 24 mi e Blythe (bed of lake); Chuckawalla Valley, Ford Dry Lake 106 Comment
  UC576358  Bouteloua barbata var. barbata H. S. Yates 1937-6-28 6732 Riverside Palm Springs San Jacinto Quadrangle 137 Comment
  CAS-BOT-BC95399  Bowlesia incana Steve Boyd 1986-4-2 1597 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park 640 Comment
  JEPS14078  Bowlesia incana W. L. Jepson 1939-4-17 19133 Riverside near Twin Springs (n end of Temescal Canyon); Temescal Canyon 274 Comment
  JEPS29308  Bowlesia incana Rimo Bacigalupi and L. Heckard 1962-3-25 8403 Riverside about 10 air mi nw of Elisnore (above Temescal Wash, near Arcilla siding of A.T. & S.F. Railway, just above state highway 71); A.T. & S.F. Railway 289 Comment
  RSA613130  Bowlesia incana D. L. Banks 1997-3-6 1399 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. ''Fiesta Grounds'', east of Pechanga Creek along the northern fork of Pechanga Creek at the eastern end of the Reservation. 424 Comment
  SEINET4691502  Bowlesia incana A. C. Sanders 2012-1 39991 Riverside Peninsular Range; Elsinore Valley: city of Lake Elsinore, long Riverside Dr. (HWY74) NE of Baker St. at edge of temescal Creek 384 Comment
  UCR91848  Bowlesia incana A. C. Sanders, O. F. Clarke 1996-4-13 18035 Riverside Riverside: Box Springs Mtns, crest of range in vicinity of park headquarters, head of Two Trees Canyon 700 Comment
  SEINET14394121  Brachypodium distachyon O. F. Clarke 2008-5-20 Riverside Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCR249918  Brachypodium distachyon A. C. Sanders 2014-4-18 41039 Riverside Peninsular Range, Temescal Canyon, along De Palma Rd. between Horsethief Canyon Road and Glen Eden 372 Comment
  RSA644218  Brandegea bigelovii V. W. Steinmann, P. I. Moscosa, T. S. Ross 1998-4-12 1359 Riverside Orocopia Mountains, 1.5 km southwest of the Hayfield exit of I-10. 600 Comment
  RSA789361  Brandegea bigelovii Aaron C. Sedgwick, David Fraker 2012-3-28 35 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  UCR213832  Brassica geniculata Scott D. White, Justin M. Wood 2009-5-21 12847 Riverside San Jacinto Mountains, McMullen Flat area, 0.35 north on Valley Hi Drive, from intersection with Twin Pines Road 1201 Comment
  SFV15631  Brassica nigra M. Merchant 1992-4-17 3 Riverside Santa Ana River bottom. End of Rubidoux Ave. in Riverside, 0.5 miles from river. 250 Comment
  CAS-BOT-BC36845  Brassica tournefortii Ira L. Wiggins 1941-3-24 9569 Riverside 0.3 mile south of Myonia, 4.6 miles north of Indio. Comment
  RSA771764  Brassica tournefortii Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4620 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SFV6318  Brassica tournefortii T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 33 Riverside San Bernardino Mountains Whitewater Canyon Road, 3 miles north of Highway 60. 630 Comment
  UCR177438  Brassica tournefortii Scott D. White 2003-3-23 8844 Riverside Santa Rosa Mountains, Desert slope, Hwy 74 near Carrizo Creek crossing 762 Comment
  JOTR30813  Brickellia arguta var. arguta La Doux, Tasha, Jim Andre 2008-9-16 334 Riverside Joshua Tree National Park. along Bell Mountain Rd. atop Bell Mountain, approximately 0.3 miles north of radio tower. Queen Mountain USGS 7.5 min quad Near 34 00.35' N 116 00.017' W 1358 Comment
  CAS-BOT-BC106344  Brickellia atractyloides var. arguta Frank W. Peirson 1928-4-24 7900 Riverside Cottonwood Spring Comment
  CLARK-A1528-174  Brickellia californica John C. Roos 1951-10-19 5324 Riverside Badlands 609 Comment
  SD152952  Brickellia californica Steve Boyd, Time Ross and Dave Bramlet 1992-9-9 7685 Riverside Southern Santa Ana Mountains; upper San Mateo Canyon, from the junction of Tenaja Road and Los Alamos Road. 395 Comment
  UCR25770  Brickellia desertorum John C. Roos 1943-8-17 2709 Riverside Plateau in Reche Canyon Comment
  RSA94118  Brickellia desertorum F. W. Peirson 1920-12-29 2336 Riverside Andreas Canyon near Palm Springs 244 Comment
  UC1329829  Brickellia incana James E. Cole 1941-6-11 863 Riverside .25 mi below spring area Cottonwood Spring (Joshua Tree National Monument); Joshua Tree National Monument 1066 Comment
  UC843569  Brodiaea filifolia P. A. Munz and I. M. Johnston 1922-5-19 5412 Riverside 1 mi E of Perris 441 Comment
  UCR160703  Brodiaea terrestris Michael A. Patten 1992-5-6 s.n. Riverside Peninsular Range, Along Temecula Creek c. 0.5 km west of I-15 Fwy 305 Comment
  CAS-BOT-BC149444  Bromus berteroanus P. A. Munz 1940-3-24 15706 Riverside 2 miles north of Cottonwood Springs, Eagle Mountains. 914 Comment
  SEINET799033  Bromus carinatus John & Lucille Roos, Lucille Roos 1954-1 6122 Riverside Canyon 1 mile SE of summit of Reche Canyon 685 Comment
  RSA450463  Bromus catharticus A. R. Roos 1937-11-13 s.n. Riverside Riverside. 244 Comment
  SEINET244863 Image available Bromus diandrus A. C. Sanders, Mark Elvin; Julie M. Vanderwier 2002-4-9 24919 Riverside Hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont. 610 Comment
  UCR262239  Bromus diandrus T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3711 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  RSA556456  Bromus hordeaceus subsp. molliformis Julie Greene 1993-4-30 1263 Riverside San Jacinto Wildlife Area. North of San Jacinto River drainage. 433 Comment
  CLARK-A1528-45  Bromus rubens C. M. Flanag 1973-5-12 408 Riverside Morongo Indian Reservation 1158 Comment
  POM363959  Bromus rubens Bonnie C. Templeton, I. W. Clokey 1930-4-9 1008 Riverside North of Palm Springs. Colorado desert 400 Comment
  RSA495420  Bromus rubens Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-11 2892 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 390 Comment
  UCD59895  Bromus tectorum Alan A. Beetle 1946-6-10 4400 Riverside San Jacinto Mt., Camp Keene Meadow. Comment
  UCD59901  Bromus tectorum Lowell J. Bean 1967-6-1 s.n. Riverside San Jacinto Mountains, Lake Fulmor. Comment
  UCR214137  Bromus trinii A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37717 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, 0.45 mi NNE (14 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 418 Comment
  RSA535079  Caesalpinia gilliesii Steve Boyd, T. S. Ross 1991-11-10 6629 Riverside Gavilan Hills, W of Perris along Santa Rosa Rd. near the base of range. Comment
  POM28931  Caesalpinia virgata Marcus E. Jones 1906-4-27 s.n Riverside Indio. Comment
  RSA651714  Caesalpinia virgata Viki Cruz 1983-5-8 004 *k Riverside Collected at the end of dirt road two miles off of Indian Trail Road. Magnesia Canyon, Santa Rosa Mts 396 Comment
  UCR3468  Caesalpinia virgata Sally Bell 1964-3-26 s.n. Riverside Western Colorado Desert, off Dillon Road, c. 3 mi. NE of the town of Indio, c. 500 yards west of the road. -7 Comment
  UCR214896  Calandrinia ambigua A. C. Sanders 2010-3-23 37532 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mtns. 140 Comment
  UCR106875  Calandrinia ciliata Michael A. Patten 1993-2-27 s.n. Riverside Paloma Valley, along Garboni Rd, just east of Antelope Rd. 450 Comment
  UCR20863  Calandrinia ciliata Steve Boyd 1980-1 s.n. Riverside Perris Basin, Motte Reserve; rocky hills 2.5 mi NW of Perris 518 Comment
  CDA2647  Callisia repens A. C. Sanders, O. F. Clarke, Susan Sims 2001-11-28 24889 Riverside San Bernardino Valley Region; between Pedley and Mira Loma, Sims property at NE corner of Limonite Ave. and Bain St. Comment
  RSA593981  Callistemon citrinus D. L. Banks, Elizabeth Hedge Banks 1996-5-2 956 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
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Jun 5 2006
  UCSB18186  Calocedrus decurrens Daniel, Dick 1964-5-16 Riverside Fuller Mill Creek Camp; along Banning Idyllwild Rd., San Jacinto Mtns. 1584 Comment
  RSA377346  Calochortus concolor N. C. Cooper 1944-7-16 1386 Riverside San Jacinto Mountains. West side. 1220 Comment
  RSA741582  Calochortus concolor Scott D. White, Justin M. Wood 2008-6-17 12178 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  CAS-BOT-BC132465  Calochortus plummerae Mrs. A. R. Seitz 1915-7-16 s.n. Riverside Head of Banning Canyon Comment
  UC3447  Calochortus plummerae H. M. Hall Jun 1901 2015 Riverside Canyon of the San Jacinto River San Jacinto Mountains 762 Comment
  UCR117699  Calochortus plummerae Mitch Provance 1998-6-11 652 Riverside Jurupa Mountains, NW Jurupa Mtns; south of the E extreme of Philadelphia St. 290 Comment
  RSA659415  Calochortus splendens Marcy Keys 1981-5-16 64 Riverside 2 miles southeast of Lake Elsinore where Arbalado Lane runs into foothills. 404 Comment
  UCR158317  Calochortus splendens A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30045 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
  RSA747278  Calochortus weedii var. intermedius Orlando Mistretta 1992-6-10 515 Riverside Cleveland National Forest: Along old road coming off 3504 W of Sierra Peak. Head of road. Comment
  RSA680491  Calochortus weedii var. weedii Scott D. White, Michael Honer, Dylan Hannon 2003-6-24 9594 Riverside Mountains west of I-15 Freeway and immediately north of San Diego County boundary. 335 Comment
  POM13899  Calycoseris parryi Philip A. Munz 1922-4-9 4776 Riverside Shavers Well, near Mecca. 76 Comment
  UCR77713  Calycoseris parryi Steve Boyd, D. Bramlet 1991-5-13 6243 Riverside Domenigoni Hills, north side Domenigoni/Diamond Valley, ESE of Winchester. Vicinity of ultramafic outcrop on ridgetop south of S-end of Warren Rd. 610 Comment
  OBI8308  Calycoseris wrightii David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-27 12057 Riverside Along Box Cyn rd ca 20 mi ENE of Mecca in Orocopia Mts 274 Comment
  RSA0120488  Calycoseris wrightii Duncan S. Bell, Thomas Stoughton 2016-3-17 8960 Riverside Orocopia Mountains; east side of the range; collecting in rocky hills to the west of Red Cloud Wash. 531 Comment
  SEINET3088878 Image available Calyptridium monandrum Scott White 1991-5-10 91 -126 Riverside Hwy 79, immediately W of U.S. Forest Service Campground at Dripping Springs. 549 Comment
  UCR97460  Calystegia macrostegia A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19887 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  RSA422205  Calystegia macrostegia subsp. arida Christopher Davidson 1975-6-16 2806 Riverside Ca. 4 mi. S of Banning on roas R1 to Idyllwild. 1128 Comment
  POM9565  Calystegia macrostegia subsp. intermedia P. A. Munz, R. D. Harwood, I. M. Munz 1920-2-28 3254 Riverside 3 miles west of Corona. Comment
  CSUSB672  Calystegia macrostegia subsp. tenuifolia Eric Trubschenck 1972-5-8 14 Riverside 12 miles east of Riverside, one mile south of intersection of Alessandro Blvd. and Wilnot Street. Canyon north-running in east-to-west granite hills. 365 Comment
  RSA161221  Calystegia macrostegia subsp. tenuifolia P. H. Raven 1959-4-23 14024 Riverside 5.1 miles west of Dripping Springs. Comment
  UCR241181  Camissonia Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 11 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, lower Hathaway Canyon along Hathaway Canyon Rd. 826 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
  UCR117089  Camissonia bistorta A. C. Sanders, T. B. Salvato 2001-5-16 24297 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
  UCR21982  Camissonia bistorta Steve Boyd 1980-4-8 111 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR97887  Camissonia bistorta A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19854 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  RSA465964  Camissonia boothii subsp. condensata M. B. Dunkle 1933-3-4 3044 Riverside Painted Canyon 30 Comment
  SEINET3093141 Image available Camissonia brevipes subsp. brevipes G. K. Helmkamp, E. A. Helmkamp 1998-1-17 2545 Riverside Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal. Comment
  JOTR31006  Camissonia californica La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1291 Riverside Joshua Tree National Park. Stop 5: Hexie Mountains, steep gravel slopes above north side of Blue Cut Gorge Comment
  JOTR31039  Camissonia californica La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1291 Riverside Joshua Tree National Park. Stop 5: Hexie Mountains, steep gravel slopes above north side of Blue Cut Gorge Comment
  RSA782531  Camissonia californica A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38385 Riverside Southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg ) of intersection of I-15 and Lake St. 465 Comment
  RSA0029396  Camissonia campestris subsp. campestris Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4680 Riverside Sonoran Desert: Chuckwalla Valley, active sand dunes +/- 7.25 miles northeast of Desert Center, +/- 3.0 miles E of SR-177, and +/- 1.0 mile N of abandoned Jojoba farm. 149 Comment
  UC56479  Camissonia campestris subsp. campestris H. M. Hall 1902-4-8 2765 Riverside Valle Vista Comment
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Mar 27 2011
  UCR112099  Camissonia cardiophylla A. C. Sanders, T. B. Salvato 2000-4-27 23379 Riverside Coachella Valley, east side of Coachella Canal near the foot of the Mecca Hills, vicinity of the east end of Ave 60 15 Comment
  UCR19027  Camissonia cardiophylla John C. Roos 1946-12-7 3181 Riverside Western Colorado Desert, Pushawalla Wash Comment
  UCR102715  Camissonia claviformis B. G. Pitzer 1998-1-24 3400 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  POM14454  Camissonia claviformis subsp. aurantiaca Alice Eastwood 1913-4-30 2983 Riverside Palm Springs. Comment
  POM200899  Camissonia claviformis subsp. aurantiaca Carl B. Wolf 1932-4-27 3032 Riverside Palm Springs. 152 Comment
  UC1122174  Camissonia claviformis subsp. aurantiaca H. S. Yates 1937-3-23 6399 Riverside 2 mi n Palm Springs; San Jacinto Quadrangle Comment
  UCR162405  Camissonia hirtella S. J. Myers, Chet McGaugh 2003-4-7 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  UCR263472  Camissonia hirtella A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35589 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek watershed, c. 1.25 mi ENE of Mountain Center, nameless tributary to Coldwater Creek north of Johnson Meadow, along trail from May Valley Rd. 1555 Comment
  RSA180504  Camissonia ignota E. W. Lathrop 1959-4-16 4475 Riverside 14 miles W of Murrieta. Tenaja plateau. Comment
  UCR20516  Camissonia ignota E. W. Lathrop 1966-3-20 6065 Riverside Cleveland National Forest, 10 mi west of Murrieta on the Tenaja Truck Trail between Tenaja Guard Station and DeLuz, Trabuco District 652 Comment
  UCR18169  Camissonia pallida A. C. Sanders 1978-4-2 46 Riverside Sonoran (Colorado) Desert, Living Desert Reserve in Palm Desert 152 Comment
  POM253860  Camissonia pallida subsp. pallida A. M. Alexander, Louise Kellogg 1941-4-22 2059 Riverside Morongo Valley Gorge. 701 Comment
  RSA449245  Camissonia pallida subsp. pallida Elbert Benjamine 1929-4-7 150 Riverside Palm Springs. Comment
  RSA673732  Camissonia strigulosa Scott D. White, Bill La Haye 2000-5-27 7957 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  UCR98686  Camissonia strigulosa 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
  SDSU3334  Camissoniopsis bistorta H. Wedberg 1958-4-4 228 Riverside 6.3 miles south of Barton Road on Reche Canyon Road, south of Loma Linda. 619 Comment
  UCR268948  Camissoniopsis pallida subsp. pallida Jim Andre 2015-3-2 31356 Riverside Mojave Desert, along Kolbe Road, northwest end of Coachella Valley at foot of Little San Bernardino Mountains, 0.2 mi west of intersection between Hwy 62 and Indian Avenue, road to Desert Hot Springs, 2.3 mi south of San Bernardino Co. line 529 Comment
  UCR27268  Carex athrostachya A. C. Sanders 1980-8-23 1764 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  RSA596543  Carex barbarae Darin L. Banks, Lauren Raz 1996-8-29 1142 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along Arroyo Seco, N of Wildhorse Peak, before the drainage bends to the S. 548 Comment
  POM14976  Carex fracta Mary F. Spencer 1922-6-27 1982 Riverside Dutch Flats, San Jacinto Mountains. 1220 Comment
  CHSC114465  Carex heteroneura P. F. Zika; Nick Otting 2010-8-3 25239 Riverside Vicinity of Willow Creek. San Jacinto Wilderness Area, San Jacinto Mountains (SnJt), Peninsula Ranges. 2550 Comment
  POM1486  Carex praegracilis Phillip A. Munz 1918-4-27 2132 Riverside Elsinore Comment
  RSA0042250  Carex praegracilis Jeri Hirshberg 1989-7-26 s.n. Riverside Vicinity of Vail Lake: spring in Butterfield country. Comment
  RSA249848  Carex sartwelliana Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38116 Riverside San Jacinto Mountains: San Bernardino National Forest. Above James Reserve in Hall Canyon 1677 Comment
  UCD140783  Carex sartwelliana P. Zika; N. Otting, K. Kramer 2010-8-6 25301 Riverside bridge over N Fork San Jacinto River, Dark Canyon, at campground. San Jacinto Mountains. 1785 Comment
  CHSC106609  Carex senta P. F. Zika; Nick Otting 2010-8-3 25243 Riverside Vicinity of Willow Creek, San Jacinto Wilderness Area, San Jacinto Mountains, Peninsula Ranges. 2550 Comment
  CAS-BOT-BC115971  Carex subfusca H. E. Hasse; Samuel B. Parish s.n. Riverside San Jacinto Mts. Comment
  RSA0099996  Carex subfusca Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8573 Riverside Santa Rosa Mountains; along Forest Service Road 7S02, approx. 0.7 air mile west of the summit of Santa Rosa Mountain. 2233 Comment
  JOTR32402  Castela emoryi Harding, Mitzi, A. Benton 2011-7-13 17 Riverside Joshua Tree National Park. West Coxcomb Mountains; north-facing slope of small rocky foothills just above large bouldery wash 424 Comment
  JEPS57286  Castilleja affinis subsp. affinis L. R. Heckard and R. C. Bacigalupi 1968-5-5 1808 Riverside 1.3 mi e Dripping Springs Campground (w of Radec) 457 Comment
  RSA448696  Castilleja applegatei subsp. martinii N. C. Cooper 1945-5-24 1666 Riverside Big Oaks Canyon, Banning. 1220 Comment
  UCR133187  Castilleja densiflora subsp. gracilis Frank C. Vasek 1978-5-12 s.n. Riverside Santa Ana Mtns., Tenaja Road, c. 0.5 mi. east of Clinton Keith Rd. 671 Comment
  RSA775231  Castilleja exserta Duncan S. Bell, Valentin Arvizu 2010-5-24 1101 Riverside San Bernardino National Forest: Garner Valley, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1386 Comment
  SBBG120069  Castilleja exserta A. C. Sanders with K. Volansky 2005-3-17 29212 Riverside French Valley, SE of Winchester Rd (Hwy 79) between Thompson Rd and Benton Rd, ca. 0.5 mi NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  JEPS10615  Castilleja exserta subsp. exserta Marjorie D. Clary 1932-3-20 1638 Riverside 10 mi nw Garnet; Colorado Desert, Mission Creek 457 Comment
  UC495197  Castilleja exserta subsp. exserta Philip A. Munz 1932-3-24 12016 Riverside Corona 365 Comment
  CLARK-A1528-4177  Castilleja foliolosa John C. Roos 1940-5-4 880 Riverside San Timoteo Canyon Comment
  RSA33496  Castilleja foliolosa N. C. Cooper 1944-5-6 1183 Riverside Banning. 701 Comment
  UC64213  Castilleja foliolosa H. M. Hall May 1899 Riverside desert side San Jacinto Mts. 1371 Comment
  RSA0054914  Castilleja foliolosa G. Jentges 1932-2-20 16 Riverside Jack Rabbit Grade, San Jacinto Mountains. Comment
  RSA734502  Castilleja minor subsp. spiralis M. Wall 2008-6-16 458 Riverside East of Hemet off Hwy 74, plants locally common on moist banks of the San Jacinto River, ca. 2.0 miles east of the Cranston Ranger Station. 638 Comment
  RSA495458  Caulanthus heterophyllus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2986 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  UC1595632  Caulanthus heterophyllus Steve Boyd and Dave Bramlet 1991-5-13 6242 Riverside n side Domenigoni-Diamond Valleys ese Winchester (Domenigoni Hills, s of s-end Warren Rd.); Domenigoni Hills, n side Domenigoni-Diamond Valleys ese Winc 548 Comment
  UCR104638  Caulanthus heterophyllus D. E. Bramlet, Steve Boyd 1991-5-13 2150 A Riverside Shipley Multi-species reserve. N Domenigoni Hills. 1.37 km SE of the intersection of Warren Road and Simpson Ave., on the large peak in Section 31, near the end of the old mine road Comment
  UCR213544  Caulanthus heterophyllus Michael Honer 2003-4-16 1832 Riverside Peninsular Range, Gavilan Hills, west slope, about 1 mile north of I-15 Fwy, 1 mi. east of Lake St. exit, on and around peak 2349 716 Comment
  UCR75039  Caulanthus lasiophyllus A. C. Sanders, E. J. Lawlor 1992-4-4 12153 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  SD173249  Caulanthus simulans Juergen Schrenk 2005-3-16 10 Riverside Wilson Valley Road, southwest Riverside County Comment
  RSA0028170  Ceanothus John F. Emmel 1988-4-27 1086 Riverside Bautista Canyon road, 0.75 road mile northwest of turnoff to Tripp Flats. 1120 Comment
  RSA562618  Ceanothus crassifolius Steve Boyd, Tim S. Ross 1993-3-1 7722 Riverside Vail Lake area, ridge about 1 mile west of the lake, east of ''Little'' Oak Mountain. 610 Comment
  UC1018191  Ceanothus crassifolius J. Warren 1952-3-16 Riverside Ortega Hwy Mt. Lilac (by Lake Elsinore) 609 Comment
  UC1979529  Ceanothus crassifolius Darin L. Banks, Steve Boyd 1995-3-15 59 Riverside NW Palomar Mtns., Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. Comment
  UCSB36641  Ceanothus crassifolius Brownell, Kathleen 1980-5-16 Riverside 9 miles W. of Lakeland Village on Hwy. 74; Santa Ana Mtns 670 Comment
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Nov 27 2014
  UCR241215  Ceanothus cuneatus Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 53 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, east fork of Hathaway Canyon 945 Comment
  RSA0019576  Ceanothus cuneatus var. cuneatus Gary D. Wallace 1964-4-26 s.n. Riverside San Jacinto Mountains. Comment
  RSA5478  Ceanothus greggii var. perplexans Carl B. Wolf 1932-5-24 3655 Riverside Snow Creek, north base San Jacinto Mountains. 1 mile above the Fish Hatchery. 793 Comment
  RSA25840  Ceanothus integerrimus var. californicus Carl B. Wolf 1941-8-15 11155 Riverside Santiago Peak, N. side 0.5 mi. from Summit. 1677 Comment
  POM48313  Ceanothus leucodermis E. C. Jaeger 1925-3-1 s.n. Riverside Snow Canyon, San Jacinto Mts. 457 Comment
  RSA462403  Ceanothus leucodermis Albert J. Perkins 1920-5-30 s.n. Riverside Cobby Trails Comment
  SEINET11192040  Ceanothus oliganthus subsp. oliganthus C. L. Schmidt 1995-3-25 1315 Riverside ca. 10 miles S of Hemet R3 (Sage Road) St. John's Canyon, close to McGee Hills. 610 Comment
  UCD112315  Ceanothus oliganthus var. sorediatus Dave Hawks 1987-3-2 s.n. Riverside S of Hemet, intersection of Palm Ave. and Saddle Ridge Trail. 472 Comment
  CAS-BOT-BC83760  Ceanothus ophiochilus D. O. Burge 2009-3-19 1065 b Riverside Oak Mountain, W of Vail Lake 640 Comment
  RSA606744  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27411 Riverside In on N side of Agua Tibia Range, 2-3 km S of Agua Tibia Wilderness boundary gate on trail extending ca. 100 m S of enclosed reservoir on ridge SE of Woodchuck Resort at end of Woodchuck Rd., S of Hwy 79. 1000 Comment
  SJSU15171  Ceanothus ophiochilus Steve Boyd, Tim Ross & Laurel Arnseth 1989-3-31 3097 Riverside Vail Lake area 1 mi W of Lake 624 Comment
  UCR16494  Ceanothus palmeri J. Hollinger 1972-5-13 720513- 6 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild Comment
  UCR18917  Ceanothus papillosus subsp. roweanus John C. Roos 1960-5-30 s.n. Riverside Peninsular Range/Santa Ana Mtns., ridge east of Sugarloaf [=Pleasants Peak] 1067 Comment
  SBBG4268  Ceanothus perplexans M. Van Rensselaer 1937-7-21 Riverside W of Vandeventer Flat Comment
  SJSU10884  Ceanothus perplexans G. B. Youngberg 1956-3-31 239 Riverside by Banning-Idyllwild Rd, San Jacinto Mts 1158 Comment
  UC1071423  Ceanothus tomentosus A. Lewis 1933-2-1 145 Riverside St. John's Grade San Jacinto Quad. Comment
  CDA7296  Centaurea X pouzinii E. R. Johnson 1946-9-3 Riverside Corona 0 Comment
  CLARK-A1528-2946  Centaurium venustum John C. Roos 1952-6-13 5766 Riverside Reche Canyon 457 Comment
  UCR178140  Centaurium venustum Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 648 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  JEPS8778  Centromadia pungens subsp. laevis Rimo Bacigalupi with G. T. Robbins 1954-5-16 4466 Riverside one-half mi w of Lakeview and just e of Lakeview (formerly Ginsberg) Hot Springs; Valley of San Jacinto 432 Comment
  RSA767270  Centromadia pungens subsp. laevis Scott D. White 2009-8-10 13353 Riverside Temescal Valley: City of Temecula, West bank of Murrieta Creek, from Rancho Califonria Rd to Cherry St. 306 Comment
  UC162746  Centromadia pungens subsp. laevis W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 Riverside San Jacinto Valley 426 Comment
  UCR243513  Centrostegia thurberi Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21081 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, up side canyon approx. 400 m. west of main canyon drainage 1172 Comment
  RSA395888  Cerastium glomeratum Steve Boyd 1986-4-20 1723 Riverside Gavalin Hills-Gavalin Hills: Harford Springs Co. Park. Comment
  RSA585630  Cerastium glomeratum D. L. Banks, Steve Boyd 1995-3-15 0065 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 689 Comment
  RSA498414  Cercidium floridum T. S. Clare 1930-4-14 13790 Riverside Indio Comment
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Feb 3 2011
  VVC204  Cercidium floridum W. W. Mayhew 1959-2-11 s.n. Riverside Colorado Desert, Joshua Tree National Monument 732 Comment
  SD90095  Cercocarpus betuloides Nancy Ryan Zabriskie 1972-10-22 546 Riverside Small dry watercourse area, NE side of Cactus Spring Trail west of Horsethief Canyon. Deep Canyon drainage, north slope Santa Rosa Mts. 1096 Comment
  UCR187470  Cercocarpus betuloides Diane Menuz, Carlos Navarro, Andrea Salzman 2006-3-24 018 Riverside Peninsular Range; Santa Ana Mtns., Elsinore Peak, Cleveland National Forest, next to fenced off radio towers 1069 Comment
  UC1537043  Chaenactis artemisiifolia Gordon H. True Jr. 1935-4-18 229 Riverside Mockingbird Canyon 457 Comment
  RSA676119  Chaenactis carphoclinia Scott D. White 2001-4-3 8221 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA776820  Chaenactis carphoclinia var. carphoclinia Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-28 1093 Riverside Chuckwalla Mountains, Corn Springs Road; Road crossing of main wash that drains Chuckwallas to the east toward the Chuckwalla Bench 427 Comment
  UC472219  Chaenactis carphoclinia var. carphoclinia Joseph Grinnell 1910-3-18 Riverside Riverside Mt. Colorado River, Riverside Mt. Comment
  CAS-BOT-BC276904  Chaenactis fremontii Philip A. Munz 1940-3-23 15721 Riverside 3 miles N of Cottonwood Springs, Eagle Mountains 914 Comment
  CAS-BOT-BC276925  Chaenactis fremontii David Charlton 1988-2-25 1225 Riverside S side of LIttle San Bernardino Mountains. Dillon Road and 1000 Palms Oasis Rd Junction S of Joshua Tree National Park, parallel to I-10. 5 miles E of Junction Dillon Road and Fargo Canyon Road. Near small hill with blow sand on top 2000' 609 Comment
  HSC28061  Chaenactis fremontii Richard Spjut 1973-4-6 3270 Riverside Colorado Desert, 4-5 mi. N of Palm Springs on Indian Ave. 152 Comment
  OBI51899  Chaenactis fremontii David Charlton 1988-2-25 1225 Riverside Alluvial Fan, S side of Little San Bernardino Mts. Dillon rd and 1000 Palms Oasis Rd jct S of Joshua Tree Natl Park, parallel to I-10. 5 mi E of jct Dillon rd and Fargo Cyn Rd 610 Comment
  RSA700061  Chaenactis fremontii Scott D. White, Michael Honer 2003-4-25 9091 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  UCSB6421  Chaenactis fremontii Foley, Marie 1953-4-23 Riverside White Water Canyon, Colorado Desert Comment
  CAS-BOT-BC172823  Chaenactis glabriuscula A. C. Sanders 2004-6-25 28281 Riverside Peninsular Range: Boden Canyon, tributary of Santa Ysabel Creek at E end of San Pasqual Valley; near the pond (reservoir) in middle DFG parcel 335 Comment
  SEINET7073434  Chaenactis glabriuscula A. G. Vestal 1963-4-25 s.n. Riverside About 6.8 miles south of Sage on Route 3. Coordinate datum: NAD27. Comment
  UCR133425  Chaenactis glabriuscula Jeffrey Ross, T. Tennant, G. White 1998-5-21 MOR- 209 Riverside San Bernardino Mtns., Morongo Indian Reservation, Hathaway Canyon, c. 0.55 miles of the junction of the lower and upper canyons 1040 Comment
  CAS-BOT-BC277407  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1986-4-22 1744 Riverside Temescal Canyon: Stable alluvial benches of Indian wash just south of Interstate 15 Comment
  CAS-BOT-BC277410  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1992-4-15 6879 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. downstream to the confluence with San Mateo Creek 487 Comment
  CDA10719  Chaenactis glabriuscula var. glabriuscula T. C. Fuller 1964-4-14 11822 Riverside Bench above wash of Whitewater Canyon, 4.1 miles north of Whitewater. 0 Comment
  RSA507171  Chaenactis glabriuscula var. glabriuscula Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mts, N of Castile Canyon Dr. at Poppet flat, off Hwy 243. Comment
  SBBG104646  Chaenactis glabriuscula var. glabriuscula M. A. Patten 1992-5-14 92 -6 Riverside Cherry Valley, just N of Cherry Park Dr, between Mtn View Ave and Beaumont Ave Comment
  UC63022  Chaenactis glabriuscula var. lanosa H. M. Hall May 1899 1141 Riverside Kenworthy San Jacinto Mtns 1432 Comment
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Mar 25 2011
  POM230183  Chaenactis stevioides I. W. Clokey 1933-4-17 6942 Riverside Cottonwood Springs. Comment
  POM351831  Chaenactis stevioides var. stevioides D. A. Young 1969-4-18 p 426 Riverside 3 mi SE of hwy 74 (approx 8 mi S of Palm Desert) near the fence of the Univ. of Riverside Deep Canyon Research Station. 366 Comment
  SEINET3228133  Chamaesyce abramsiana G. Rink, T. Thomas and K. Routson 2012-9-1 11656 Riverside Blythe Solar Power Plant (proposed) about 10 miles northwest of Blythe 160 Comment
  JEPS51880  Chamaesyce albomarginata W. L. Jepson 1912-11-1 5621 Riverside Palo Verde Valley, Blythe 82 Comment
  SJSU5736  Chamaesyce polycarpa L. S. Rose 1966-12-11 66099 Riverside La Quinta 91 Comment
  POM184752  Chamaesyce polycarpa var. hirtella C. L. Hitchcock 1932-4-7 12213 Riverside 5 miles S of Cottonwood Springs, East Riverside County. Comment
  RSA487533  Chamaesyce polycarpa var. polycarpa B. Pitzer 1988-3-10 644 Riverside Chuckwalla Mountains. W side of mountains, on gas line road ca. 1.5 mi north of intersection with Red Cloud Mine Road (and wash); ca. 2 miles (airline) S of Highway I-10. (Red Cloud Road. 10 km cell; PH-2N, 3E) 488 Comment
  RSA651896  Chamaesyce polycarpa var. polycarpa Douglas A. Springer 1981-2-16 11 Riverside 3.9 miles NW of California State Hwy. 74 on Santa Rosa Rd. approx. 5 miles from Perris. Comment
  RSA480015  Chamaesyce setiloba Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2140 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  CAS-BOT-BC66320  Cheilanthes clevelandii Peter H. Raven 1958-5-17 12933 Riverside 3.4 miles south-east of Banning on road to Idyllwild, San Jacinto Mountains Comment
  IRVC19370  Cheilanthes clevelandii R. L. Allen 1977-2-11 s.n. Riverside Bear Creek Canyon; near Ortega Highway [74]. Peninsular Ranges, Santa Ana Mountains Comment
  IRVC3123  Cheilanthes clevelandii R. H. Whittaker, W. A. Niering 1963-6-2 SJ 172 Riverside Mountain Center-Hemet Highway [74]. Peninsular Ranges, San Jacinto Mountains 1128 Comment
  RSA4  Cheilanthes clevelandii J. T. Howell 1927-8-2 552 Riverside Near Banning. 671 Comment
  POM11164  Cheilanthes covillei Philip A. Munz 1922-7-1 5937 Riverside Santa Rosa Mountains: Old Santa Rosa. 1402 Comment
  UCR155951  Cheilanthes covillei Scott D. White 1994-4-23 2031 Riverside San Bernardino Mtns, Millard Canyon, c. 8 air mi. north of Cabazon. USFS Rd 2S05.2, c. 0.3 mi. south of junction of 2S05.2 & 2S05B; c. 1.7 mi. south of Deer Spring & 1 mi. SW of Bear Wallow Spring 1311 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
  UCR112955  Cheilanthes newberryi B. G. Pitzer 1998-3-1 3548 Riverside Lakeview Mtns, Maze Stone county historical marker & picnic area, E side of mtns, on W side of Reinhardt Canyon 610 Comment
  HSC1016  Cheilanthes wootonii W. R. Supernaugh, Jr. 1964-12-21 18 Riverside Joshua Tree Nat'l Mon. 1 mi. S of Jumbo Rocks Campground at old ground observation post 1372 Comment
  CSUSB1591  Chenopodium album Deborah Sullivan 1973-7-4 Riverside Glen Avon Glen Avon 243 Comment
  RSA621895  Chenopodium ambrosioides Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3634 Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Hwy 79. 488 Comment
  RSA654967  Chenopodium berlandieri A. C. Sanders, D. Malueg, K. D. Jones, et al. 2000-9-8 s.n. Riverside Perris-Aguanga Basin Region: gasline right of way across Pinto and Hoopes Ranches, east of Briggs Road at and near Warm Springs Creek, S of Scott Rd. 415 Comment
  RSA594121  Chenopodium californicum D. L. Banks, Victor Steinmann 1996-4-20 884 Riverside NW Palomar Mountains; Agua Tibia Mountains; N face of Dorland Mtn., on the W side of the Dorland Mountain Arts Colony; Along the road to the Dorland Mountain Arts Colony, approximately 100 m S from its junction with Hwy. 79., Area just north of Sec.19. 484 Comment
  RSA741576  Chenopodium californicum Scott D. White, Justin M. Wood 2008-6-17 12170 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  UCR120899  Chenopodium californicum A. C. Sanders, D. Malueg 2002-4-8 24911 Riverside Perris-Aguanga Basin region, Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 396 Comment
  UCR20741  Chenopodium californicum A. C. Sanders, Steve Boyd 1980-5-2 1395 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR272128  Chenopodium fremontii Duncan S. Bell 2015-9-30 8674 Riverside Santa Rosa Mountains, Little Pinyon Flat, from Cactus Spring Trail to Horsethief Creek 1246 Comment
  UCR167456  Chenopodium murale 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
  RSA286100  Chenopodium murale John F. Emmel 1980-10-5 761 Riverside Hemet; 0.9 air mile WNW of peak of Reservoir Butte. 523 Comment
  RSA334988  Chenopodium murale Steve Boyd 1985-7-23 1012 Riverside De Luz Rd., 7.6 mi. west of Rancho California. 335 Comment
  RSA653338  Chenopodium pratericola Mitch Provance 2000-9-18 2265 Riverside Riverside: Prenda area, S side of Hermosa St., about 0.25 mile west of the intersection with Washington St., 33 deg 54' 02.5'' N, 117 deg 23'14.3'' W 185 Comment
  UCR158519  Chenopodium pumilio A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30029 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
  UC2047744  Chilopsis linearis subsp. arcuata Sarah J. De Groot with Duncan S. Bell 2015-5-14 7373 Riverside White Water, along Pacific Trail about 400 m south of Forks 3028, and about 450 m south of Red Dome. Southeast side of San Bernardino Mountains of Red Dome. USGS quad: Catclaw Flat 7.5' Q. Comment
  UC667347  Chilopsis linearis subsp. arcuata Annie M. Alexander and Louise Kellogg 1941-5-25 2234 Riverside Box Canyon e. of Mecca; Colorado Desert, Box Canyon 243 Comment
  UC1131367  Chloris virgata H. S. Yates 1937-6-28 6740 Riverside near Indio; Thermal Quad. Comment
  UC55792  Chorizanthe brevicornu var. brevicornu H. M. Hall May 17 1901-Jun 1 1901 1853 Riverside Palm Canyon 457 Comment
  UC849122  Chorizanthe brevicornu var. brevicornu C. L. Hitchcock 1940-3-30 5876 Riverside Cottonwood Spring Comment
  UCR167204  Chorizanthe corrugata 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
  RSA503430  Chorizanthe fimbriata J. D. Olmsted 1962-5-10 3662 Riverside West of crest between Sandia and DeLuz Creeks along Murrieta to DeLuz Road. 206 Comment
  RSA674955  Chorizanthe fimbriata Scott D. White, Teresa Salvato 2001-6-8 8565 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  SBBG89136  Chorizanthe fimbriata L. F. LaPre 1988-6-2 Riverside Indian Truck Trail S end of wash which crosses unser de Palma Rd ( frontage rd to Interstate-15) near Glen Eden Resort 365 Comment
  UCR189789  Chorizanthe leptotheca Kelly Schmoker 2007-7-12 086 Riverside Peninsular Range; San Jacinto Mountains, North San Jacitno Mountains, c. 5 km southwest of Idyllwild Comment
  UCR280947  Chorizanthe leptotheca Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-4-6 417- 65 Riverside Temescal Valley, Indian Wash, SW of I-15, S side of De Palma Rd., 700-1100 ft. WNW of inter. with Glen Eden Rd. 366 Comment
  UCR35075  Chorizanthe leptotheca L. B. Ziegler 1966-7-5 51 Riverside San Jacinto, Dry slopes and disturbed soil near Hemet Lake 1372 Comment
  UC1537266  Chorizanthe parryi var. parryi Gordon H. True Jr. 1936-4-10 221 Riverside Box Springs , Box Springs (s slope Sycamore Canyon) 365 Comment
  UC1929714  Chorizanthe parryi var. parryi Scott D. White, Michael Honer 2003-4-25 9090 Riverside SAN BERNARDINO MTNS.: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. Comment
  UCR174329  Chorizanthe polygonoides var. longispina A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32562 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 587 Comment
  SD138828  Chorizanthe polygonoides var. polygonoides Craig Reiser 1996-3-23 Riverside Murrieta; near creek; northeast of Baxter; east of Meadowlark Lane (mak 8/07) Comment
  RSA16359  Chorizanthe procumbens Percy C. Everett 1935-6-18 7173 Riverside Santa Ana Mountains, San Juan Canyon, near Ortega Highway on road [North Main Divide Road] to Santiago Pk. 701 Comment
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Dec 29 2009
  RSA392744  Chorizanthe rigida Louis C. Wheeler 1931-11-26 372 Riverside Salton Bench Mark, Colorado Desert. -15 Comment
  UC1018190  Chorizanthe rigida J. Warren 1952-4-6 Riverside Palm Springs 457 Comment
  RSA0098331  Chorizanthe xanti var. leucotheca Marc A. Baker, Danny Cuellar, Youssef Atallah, Elizabeth Kempton 2015-4-13 18313 Riverside San Gorgonio Pass, 5.5 km WNW of White Water, 20 km NW of Palm Springs. 456 Comment
  RSA38274  Chrysothamnus nauseosus subsp. consimilis P. A. Munz 1946-10-19 11572 Riverside Upper end of Palm Canyon at jct of hwy 74 and road to old Santa rosa Indian Village 1220 Comment
  POM243560  Chrysothamnus teretifolius E. C. Jaeger 1938-10-22 s.n. Riverside 12 miles S of Warren's Well Comment
  SFV21965  Chylismia brevipes J. N. Hogue 2011-3-27 376 .1 Riverside Colorado Desert Chuckwalla Mountains. Corn Springs Wash at Corn Springs. 490 Comment
  JOTR34321  Chylismia brevipes subsp. brevipes Andre, Jim 2012-4-11 20822 Riverside Joshua Tree National Park. Western margin of Eagle Mountains; 0.6mi south of Cottonwood Visitor Ctr. along Rte 11 912 Comment
  SEINET5344233  Chylismia brevipes subsp. brevipes I. W. Clokey 1935-4-17 6763 Riverside Shafer Wells - Cottonwood Springs 25 Comment
  UC306275  Chylismia cardiophylla subsp. cardiophylla Ivan Johnston 1917-4-4 1083 Riverside Palm Canyon Colorado Desert 304 Comment
  UCD103851  Chylismia claviformis John Green 2005-1-12 s.n. Riverside Sonoran (Colorado) Desert. Salton Basin. Coachella Canal right-of-way, between siphons 22 and 23, S of Salt Creek. 23 Comment
  CAS-BOT-BC160601  Chylismia claviformis subsp. aurantiaca E. A. McGregor 1917-3-18 729 Riverside 4 mi up Painted [Canon] Canyon Comment
  JEPS23474  Chylismia claviformis subsp. aurantiaca I. W. Clokey and B. C. Templeton 1930-4-9 4725 Riverside n Palm Springs; Colorado Desert 170 Comment
  JOTR33760  Chylismia claviformis subsp. aurantiaca La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2758 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Gneiss outcrop on edge of large sandy wash in wide canyon that feeds southwest into Wilson Canyon (Stop 6) Comment
  JOTR38683  Chylismia claviformis subsp. aurantiaca Hodges, Stephen R. 2017-2-7 699 Riverside Joshua Tree National Park. Little San Bernardino Mountains, West Deception Canyon, near the mouth of the canyon just north of the park boundary Comment
  JOTR30217  Cirsium neomexicanum Leary, C. and Leary, Pat 1979-5-5 3031 Riverside Joshua Tree National Park. 1 mi SE of Quail Mtn., Joshua Tree National Monument; T2S sec 14 Comment
  UCD130643  Cirsium occidentale var. californicum E. W. Lathrop 1966-5-8 6453 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest, Trabuco District. 274 Comment
  CAS-BOT-BC286458  Cirsium scariosum John Thomas Howell 1952-10-24 28865 Riverside At south end of Santa Ana Mts., Santa Rosa Ranch nw. of Murieta [Murrieta] 914 Comment
  POM12039  Cirsium scariosum Mary F. Spencer 1921-6-15 474 Riverside Idyllwild, San Jacinto Mt. 1616 Comment
  CLARK-A1528-3364  Clarkia dudleyana John C. Roos 1952-6-8 5752 Riverside Reche Canyon 518 Comment
  RSA407733  Clarkia purpurea subsp. quadrivulnera Steve Boyd 1986-5-1 1799 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow. Comment
  SD217337  Clarkia unguiculata Darin L. Banks, Elizabeth Hedge Banks 1996-5-2 961 Riverside Agua Tibia Mountains: Northwest foothills of Dorland Mountains; South end of Los Caballos Road, University of California-Emerson Oaks Reserve, approximately 20 meters inside the preserve boundary gate. 3 meters East of the main road along an open field. 448 Comment
  RSA469299  Claytonia parviflora subsp. parviflora N. R. Zabriskie 1973-5-6 626 Riverside S side stream below North anyon, Andreas Canyon, E slope San Jacinto Mountains. 351 Comment
  POM12718  Claytonia parviflora subsp. tenuifolia P. A. Munz 1922-6-30 5910 Riverside Santa Rosa, Santa Rosa Mountains. 1982 Comment
  POM307264  Claytonia parviflora subsp. tenuifolia Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2122 Riverside [Unspecified] Comment
  RSA525449  Claytonia parviflora subsp. tenuifolia Steve Boyd, David E. Bramlet 1990-4-29 4494 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  RSA65731  Claytonia parviflora subsp. tenuifolia E. C. Jaeger 1921-6-21 5440 Riverside Idyllwild. Comment
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Nov 5 2011
  JEPS43258  Claytonia parviflora subsp. viridis W. L. Jepson 1901-5-25 1447 Riverside Indian Village at Santa Rosa; Santa Rosa Comment
  RSA33630  Clematis lasiantha Robert L. Rutherford 1945-6-17 1669 Riverside Big Oaks Canyon, Banning. 1220 Comment
  UCR91605  Clematis lasiantha D. L. Banks, Steve Boyd 1995-3-15 0069 Riverside Peninsular Range, NW Palomar Mtns., Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area 762 Comment
  UC9078  Clematis ligusticifolia H. M. Hall 1901-7-20 2528 Riverside water courses in vicinity of Strawberry Valley; San Jacinto Mts. 1615 Comment
  RSA650481  Clematis ligusticifolia C. J. Humphrey 1936-6-7 84 Riverside [No location data on label] Comment
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Dec 15 2011
  POM8679  Clematis pauciflora P. A. Munz, Harwood 1920-2-28 3264 Riverside 2 mi. southwest of Corona. 305 Comment
  RSA180259  Clematis pauciflora E. W. Lathrop 1965-3-30 5593 Riverside Tenaja Guard Station, 16 mi. W of Murrieta. Comment
  RSA586040  Clematis pauciflora D. L. Banks, S. D. Boyd 1995-3-16 93 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, Arroyo Seco drainage. 512 Comment
  UC1125907  Clematis pauciflora R. St. John 1931-2-19 186 Riverside w. Elsinore; Elsinore Quad. Comment
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Nov 27 2011
  RSA440809  Cleome isomeris Robert Gustafson 1981-4-7 2150 Riverside Salt Creek Wash, southern end of the Orocopia Mts. 91 Comment
  SD244244  Collinsia concolor A. C. Sanders, Timothy W. Chumley 2013-4-2 40744 Riverside Peninsular Range: Temescal Canyon between Horsethief Canyon Road and Hostettler Road, near I-5 Freeway, southeast of Corona (Lee) Lake (Aberhill 7.5') 377 Comment
  POM4203  Collinsia heterophylla Robinson, Crocker 1916-3-29 s.n. Riverside Santa Ana Mountains, near Murrieta. Comment
  UCR100821  Collinsia heterophylla G. R. Ballmer 1998-5-23 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, Massinger oak easement, Riverside Land Conservancy, north base of Redonda Mesa, close to Tenaja Rd. 671 Comment
  UCR158715  Collinsia heterophylla A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30002 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  CAS-BOT-BC52502  Colubrina californica Marjorie Clary 1935-11-17 2568 Riverside Eagle Mts. (SE. slopes), 3 mi. E. of Mecca-Blythe road Comment
  UC2027652  Colubrina californica Carolyn Martus, Joseph Betzier, Caesara Brungraber, Lance Woolley 2008-4-23 1217 Riverside Northwest of the Blythe airport and in the washes east of the McCoy mountains. Comment
  UCR72172  Colubrina californica Theo Glenn 1991-5-14 91- 46 Riverside Sonoran (Colorado) Desert, Colorado Desert; W side of Little Maria Mts., NW of Blythe 309 Comment
  UCR91470  Convolvulus arvensis Scott D. White, M. Jacobsmeyer 1996-4-20 3974 Riverside Perris Basin, Near Perris Airport, c. 100 m north of Case Road, just west of the I-215 Fwy 433 Comment
  RSA524443  Convolvulus simulans Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4059 Riverside Vail Lake area, E flank of Big Oak Mtn, S of E summit. 610 Comment
  UCR205442  Convolvulus simulans Jeff B. Galvin 2008-4-14 008 Riverside Perris-Hemet Basin, Public land c. 900 m west of Briggs St., c. 1.1 km south of Scott Rd. 466 Comment
  UCR67349  Convolvulus simulans Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4059 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn. at east end 793 Comment
  POM355851  Conyza canadensis H. de Forest, Jack Rempel 1933-10-29 18674 Riverside Snow Creek Canyon. 549 Comment
  UCR46724  Conyza coulteri B. G. Pitzer, D. C. Hawks 1986-12-2 0440 Riverside Peninsular Range, Temescal Canyon, c. 1 mi north of Glen Ivy Hot Springs and 0.5 mi west of I-15 off Lawson Drive between Temescal Canyon Road & Warm Springs Dr. 336 Comment
  RSA761163  Corallorhiza maculata Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade, et al. 2010-8-14 696 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UC4405  Corallorhiza maculata H. M. Hall 1901-6 2345 Riverside Tauquitz Valley San Jacinto Mts. 2438 Comment
  RSA0084703  Cordylanthus nevinii Michael Denslow, Firoozeh Navid-Ara, Valerie Soza 2003-7-15 1453 Riverside Northeast of South Ridge trailhead, east of Idyllwild. 2012 Comment
  JOTR28748  Cordylanthus rigidus subsp. setiger La Doux, Tasha, Ileene Anderson 2004-10-4 1640 Riverside Joshua Tree National Park. STOP 1 = Little SB Mtns; above Keys Ranch 1277 Comment
  RSA0010998  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Jeff Morawetz, Kathleen Ashbaker 2010-6-28 1433 Riverside San Bernardino National Forest: Garner Valley, approximately 2.8 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1374 Comment
  RSA412309  Cordylanthus rigidus subsp. setiger H. de Forest, Jack Rempel 1933-10-29 18676 Riverside Snow Creek Canyon. 655 Comment
  POM31848  Coreopsis californica Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  SBBG95154  Corethrogyne filaginifolia S. D. White 1990-10-2 Riverside Vail Lake area, Hwy 79, immediately W of Dripping Springs Guard Station 487 Comment
  UC1211956  Corethrogyne filaginifolia Otto T. Solbrig 1958-8-18 2759 Riverside on Hwy 78 2 mi w Temecula (w side of stream on road bank) Comment
  UC64841  Corethrogyne filaginifolia E. A. Zumbro 1904-1-1 427 Riverside Cold Water Canyon Santa Ana Mts. Comment
  RSA716107  Corethrogyne filaginifolia var. filaginifolia M. Wall 2006-10-8 420 Riverside South Fork San Jacinto River east of Hemet along Hwy 74 past Cranston Ranger Station. Just off the highway towards the river. 638 Comment
  UCR207549  Coronilla O. F. Clarke 2004-2-4 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 412 Comment
  UCR104961  Cortaderia jubata A. C. Sanders 1997-3-19 20038 Riverside Lake Skinner area, Lake Skinner, NW shore near inlet, SW foot of Bachelor Mtn 445 Comment
  SEINET3071829  Coryphantha alversonii Marc A. Baker, Michelle Cloud-Hughes 2011-1 Riverside Comment
  SEINET5765987  Covillea tridentata George B. Grant 1906-5-1 229 -6724 Riverside Colorado desert at Palm Springs, southern California Comment
  POM212789  Crassula aquatica P. A. Munz 1941-5-18 17069 Riverside north end of Santa Rosa Ranch, Elsinore Mountains. 854 Comment
  UCR173152  Crassula connata Abby Sirulnik 2000-4-20 15 Riverside South Coast; Perris Basin, Motte Rimrock Reserve, NW of Perris 610 Comment
  UCR91507  Crassula connata Scott D. White 1995-4-5 2760 Riverside Perris Valley, Lakeview Mountains; SW of Juniper Flat Road 579 Comment
  CAS-BOT-BC226243  Crassula tillaea A. C. Sanders 2011-4-7 39026 Riverside Peninsular Range; Santa Ana Mtns. Region: Temescal Canyon, between Horsethief Canyon and Glen Eden, along I-15 Frontage Rd., SE of Lee Lake 381 Comment
  UCD126208  Cressa truxillensis Rimo Bacigalupi; G. T. Robbins 1954-5-16 4467 Riverside valley of San Jacinto River, one-half mile west of Lakeview and just east of Lakeview (formely Ginsberg) Hot Springs. 432 Comment
  RSA394758  Cressa truxillensis Anstruther Davidson 1903-5-3 1899 Riverside Thermal. Comment
  GMDRC2042  Crossosoma bigelovii J. Andre 2006-4-26 6756 Riverside Little San Bernardino Mountains: Joshua Tree National Park: Long Canyon, approx. 2.3 mi. S. of NE corner (boundary) of park Near 34.06072 deg. N 116.44711 deg. 43681' W. Elev. 3463 ft. 1056 Comment
  RSA545237  Crossosoma bigelovii R. F. Thorne 1970-10 41887 Riverside San Bernardino Mountains- Whitewater canyon: ca. 1350 ft. near bridge and Whitewater Post Office to ca. 2000 ft. up the canyon toward fish hatchery. 610 Comment
  UCR245867  Crossosoma bigelovii R. F. Thorne 1995-3-29 63008 Riverside Transverse Range; San Bernardino Mtns., Whitewater Canyon 600 Comment
  SBBG67674  Croton californicus M. N. Ackley 1928-4-4 341 Riverside near Edom 64 Comment
  UC868665  Croton californicus Milo S. Baker 1928-4-4 2873 Riverside Palm Springs-Banning hwy Snow River Comment
  POM87124  Croton californicus var. mohavensis Marcus E. Jones 1906-4-30 s.n. Riverside Indio. Comment
  RSA588595  Crypsis schoenoides D. L. Banks, Steve Boyd 1995-10-17 806 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 narrow benches where Arroyo Seco turns to the E, just W of the Metasedimentary hills. 524 Comment
  UCR162543  Cryptantha John F. Green 2005-4-29 s.n. Riverside Upper Santa Ana River Basin, eastern end of the Jurupa Mountains, Rubidoux area, immediately south of the county line, east of Armstrong Road 335 Comment
  UCR251696  Cryptantha T. B. Salvato 2014-4-9 7843 Riverside Perris-Aguanga Basin, Menifee, c. 4 mi southeast of Canyon Lake, northeast corner of Bundy Canyon Road and Sunset Avenue 534 Comment
  JOTR35292  Cryptantha angustifolia Andre, Jim 2012-4-11 20785 Riverside Joshua Tree National Park. NW Eagle Mountains, along dirt road to Black Eagle Mine, 0.7mi east of road to Cottonwood Spring, 34mi south of Hwy 62 at Twentynine Palms. 729 Comment
  POM368205  Cryptantha angustifolia Geo Cantwell 1935-4-10 s.n. Riverside Dos Palmas Springs, Salton Sea Comment
  RSA778221  Cryptantha angustifolia Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 774 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  SEINET4557943  Cryptantha angustifolia Naomi Fraga, David Fraker, Brett Griffin 2012-1 3949 Riverside Mojave Desert, Southcentral Mojave Desert Region: off of Box Canyon Rd. S. of Shaver well in a wash. 70 Comment
  UCR196109  Cryptantha angustifolia Jim Andre, T. La Doux 2006-4-11 8141 Riverside S Mojave Desert, Joshua Tree National Park, along Pinto Basin Road (paved) through Wilson Canyon at Fried Liver Wash 858 Comment
  UCR230773  Cryptantha angustifolia A. C. Sanders 2010-3-23 37531 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mtns. 140 Comment
  OBI37463  Cryptantha barbigera M. Roskey & F. Boyen, F. Boyen 1985-5-28 Riverside Big Morongo Preserve. S of Morongo Valley. Main cyn at the lower entrance (from the Coachella Valley) 503 Comment
  POM71604  Cryptantha barbigera Marcus E. Jones 1906-4-26 s.n. Riverside Indio Comment
  RSA353856  Cryptantha barbigera R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55363 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  SBBG6244  Cryptantha barbigera H. and M. Dearing 1942-3-1 4805 Riverside near Cathedral City Comment
  UC1212051  Cryptantha barbigera Peter H. Raven 1960-3-16 14846 Riverside Box Canyon Comment
  UC280426  Cryptantha barbigera E. E. Schellenger May 1920 Riverside Chuckawalla Bench Colorado Desert Comment
  RSA0123285  Cryptantha barbigera var. barbigera Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8998 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  JOTR33722  Cryptantha barbigera var. fergusoniae La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2723 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy pediment/bajada surrounding granitic ourcrops near Stirrup Tank parking lot (Stop 1) Comment
  JOTR29362  Cryptantha circumscissa La Doux, Tasha, Bill Truesdell, Naomi Fraga 2006-4-26 1439 Riverside Joshua Tree National Park. Long Canyon; Stop 1, south end of Long Canyon, near Park boundary 547 Comment
  UCR181339  Cryptantha corollata Mitch Provance 2003-4-5 6520 Riverside San Bernardino Valley, Glen Avon (near border with Fontana) along the NW base of the Jurupa Mountains, south of Philadelphia St. and just east of Country Village Rd 253 Comment
  CAS-BOT-BC218860  Cryptantha costata Lewis S. Rose 1938-2-1 38013 A Riverside Palowalla (30 miles e.of Desert Center) 121 Comment
  JEPS116968  Cryptantha costata David Gowen 2008-3-25 823 Riverside Sand dunes about 3 miles south of Rice. Comment
  SD240918  Cryptantha costata A. C. Sanders 2010-3-23 37535 Riverside Sonoran (Colorado) Desert: Chuckwalla Valley, at SW foot of Palen Mountains (Sidewinder Well 7.5'Q) 130 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
  UCR279492  Cryptantha dumetorum A. C. Sanders, Jim Malusa 2017-3-25 43003 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
  POM368270  Cryptantha intermedia M. B. Dunkle 1932-3-25 2875 Riverside Cabazon, Colorado Desert. Comment
  RSA586920  Cryptantha intermedia D. L. Banks, S. D. Boyd 1995-5-3 255 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA740827  Cryptantha intermedia Scott D. White, Justin M. Wood 2008-7-8 12385 Riverside Johnson Meadow. 1439 Comment
  SD137838  Cryptantha intermedia Darin L. Banks, Steve Boyd 1995-5-3 247 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco 515 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
  UC604898  Cryptantha intermedia Roxana S. Ferris and Ruth P. Rossbach 1938-5-20 9665 Riverside foot of grade, State Highway 74, along San Jacinto River San Jacinto River Comment
  UCR122540  Cryptantha intermedia George K. Helmkamp, E. A. Helmkamp 2001-5-20 6669 Riverside San Jacinto Mountains., Apple Canyon Rd, 1.5 mi NE of CA-74 1463 Comment
  RSA0075627  Cryptantha intermedia var. johnstonii P. H. Raven 1959-4-23 14020 Riverside 4.1 miles west of Dripping Springs. Comment
  JOTR29358  Cryptantha maritima La Doux, Tasha, Bill Truesdell, Naomi Fraga 2006-4-26 1435 Riverside Joshua Tree National Park. Long Canyon; Stop 2, in side canyon east of main wash. 837 Comment
  UC280440  Cryptantha maritima E. E. Schellenger May 1920 Riverside e of Coachella; Colorado Desert Comment
  JEPS44382  Cryptantha micrantha Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4260 Riverside 1 mi se Toro Peak ridge; Santa Rosa Mts. 2286 Comment
  JOTR29592  Cryptantha micrantha Andre, Jim 2006-4-26 6769 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
  POM72168  Cryptantha micrantha Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  SEINET9315890  Cryptantha micrantha Unknown 1976-5-3 Riverside Red Mountain Road. Comment
  POM13197  Cryptantha micrantha var. lepida P. A. Munz, I. M. Johnston 1922-5-20 5475 Riverside Kenworthy, San Jacinto Mountains 1433 Comment
  RSA499652  Cryptantha micrantha var. lepida Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  OBI42568  Cryptantha microstachys A. C. Sanders & B. Pitzer, B. Pitzer 1986-4-30 6479 Riverside San Jacinto Mts, Bee cyn along the rd, 1.1 mi above the mouth of the cyn at the San Jacinto River Valley 701 Comment
  RSA543887  Cryptantha microstachys Steve Boyd 1991-5-20 6263 Riverside Temescal Canyon, S flank of Alberhill Mtn, W end adjacent to old clay mine area. 426 Comment
  RSA164814  Cryptantha muricata Wesley O. Griesel 1958-7-5 s.n. Riverside Dark Canyon. 1829 Comment
  UC164376  Cryptantha muricata H. M. Hall Jun 1901 2224 Riverside Onstatt Valley San Jacinto Mountains 1524 Comment
  UCR68607  Cryptantha muricata Steve Boyd, A. C. Sanders, M. Skinner 1990-4-28 4457 Riverside Peninsular Range, Vail Lake Area. east of USFS Dripping Springs Campground along Arroyo Seco Creek, south of Hwy 79. 518 Comment
  RSA0079420  Cryptantha muricata var. jonesii Steve Boyd 1991-5-7 6163 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  UCSB40036  Cryptantha pterocarya Cowan, Clark 1978-4-23 Riverside 12.1 mi. S. on Hwy. 74 from its jct. with Hwy. 111 at Indian Wells 950 Comment
  UCR117667  Cryptantha simulans T. Schram, D. Wappler 1994-7-14 s.n. Riverside San Jacinto Mtns., Lake Hemet. Comment
  JEPS67901  Cryptantha utahensis Marjorie D. Clary 1933-3-26 2073 Riverside Ebbens Creek Wash Santa Rosa Mountains 304 Comment
  JOTR16629  Cryptantha utahensis Liska, K. and Leary, Pat 1975-3-11 958 Riverside Joshua Tree National Park. WEST WIDE CANYON 609 Comment
  JOTR30922  Cryptantha utahensis La Doux, Tasha, Bill Truesdell 2008-4-29 2597 Riverside Joshua Tree National Park. Little San Bernardino mountains, north end of Quail Mountain; Steep rocky slopes above side canyon, south of Johnny Lang Canyon (Stop 8) 1219 Comment
  RSA771788  Cryptantha utahensis Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4765 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 W116.65120 604 Comment
  RSA5435  Cryptogramma acrostichoides C. B. Wolf 1932-8-5 3978 Riverside Rocks at summit of San Jacinto Peak 3294 Comment
  RSA180434  Cuscuta californica E. W. Lathrop 1960-6-10 4991 Riverside Rocky meas slope of a grassland savanna plateau Comment
  RSA597140  Cuscuta californica L. C. Wheeler 1962-7-26 8177 Riverside Head of San Juan Creek. Comment
  UC23233  Cuscuta californica H. M. Hall Jun 1901 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1584 Comment
  SBBG119583  Cuscuta californica var. californica R. F. Thorne 1963-7-26 32821 Riverside Trabuco District, Cleveland Nat Forest 304 Comment
  CDA39908  Cuscuta californica var. papillosa E. H. Asher 1958-6-9 509 -58 Riverside Rancho Mirage. 0 Comment
  UCR92718  Cuscuta pentagona A. C. Sanders, S. Ogg 1994-7-28 15174 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  SD262267  Cuscuta salina Mitch Provance, John Hazlett 2017-4-27 417 25 Riverside Elsinore Trough: Baker St., 0.05 - 0.15 miles SE of Pierce St. A short distance along the northeastward SCE transmission route. 384 Comment
  RSA0100137  Cuscuta subinclusa Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8555 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  SEINET3272856  Cylindropuntia californica var. parkeri Marc A. Baker, Michelle Cloud-Hughes 2012-11-16 17637 .3 Riverside Aguanga 7.5' USGS topographic quadrangle Zone; west side of Highway 79, 1.3 km north of Oak Grove, 7.6 km southeast of Aguanga, 8.5 km southeast of Riverside. 815 Comment
  SEINET5624442 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2013-4-15 17726 Riverside Chuckwalla Mountains, just south of Corn Springs Wash, 250m east of its confluence with Irish Wash, 500m NW of Aztec Well, 74 km west of Blythe; Desert Center 7.5' USGS topographic quadrangle 641 Comment
  UC816850  Cynodon dactylon Ivan Johnston 1917-4-4 1116 Riverside Palm Canyon; Colorado Desert, Palm Canyon Comment
  UCR92608  Cynodon dactylon Scott D. White, M. A. Patten 1995-8-16 3559 Riverside San Jacinto Valley, Just west of Hemet, valley floor and foothills at SE margain of Lakeview Mts. north of Florida Ave. (SR 74) and west of California Avenue 500 Comment
  UCR16051  Cyperus involucratus Becky Brooks 1973-5-26 s.n. Riverside Corona, N end of third irrigation pond c. 250 yards north of Ontario Ave & 100 yards east of Compton Ave Comment
  RSA502523  Cyperus involucratus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3578 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  SBBG133574  Cyperus niger S. D. White, A. Carey, L. Archa 2004-8-5 10680 Riverside San Jacinto Mtn foothills, Soboba Indian Reservation, Indian Creek from confluence w/ San Jacinto River to +/- 2 mi upstream. 534 Comment
  HSC103382  Cyperus rotundus K. E. Hoffmaster Jul 1958 Riverside Indio Comment
  RSA788862  Cyperus squarrosus G. D. Wallace 2003-7-8 4040 Riverside Hidden Lake. Comment
  SBBG56301  Cystopteris fragilis R. Hoffmann 1929-9-5 Riverside Tahquitz Valley 2438 Comment
  RSA554337  Cytisus striatus A. C. Sanders, Chet McGaugh 1991-7-19 11142 Riverside Murrieta Hot Springs, large vernal pool on the S side of Murrieta Hot Springs Road, E of Via Princesa and N of Calle del Lago 348 Comment
  SEINET893061  Cytisus striatus A. C. Sanders, Chet McGaugh 1991-1 11142 Riverside Murrieta Hot Springs, large vernal pool on the south side of Murrieta Hot Springs Road, east of Via Princesa and north of Calle del Lago. 347 Comment
  SEINET10486030  Dalea emoryi David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2879 Riverside Pushawalla canyon, indio hills. In dry wash. Comment
  UCR233939A  Dalea mollis Duncan S. Bell 2011-10-22 2982 A Riverside Sonoran (Colorado) Desert, Arica Mountains, west side of range, c. 2.6 air miles west of Priests Well, c. 6.8 air mi. SW of Rice 437 Comment
  RSA498347  Dalea mollis Albert J. Perkins 1914-05 s.n Riverside Riverside vicinity Comment
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  RSA278987  Dalea mollissima B. A. Prigge, L. Martinez 1978-3-23 2433 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  RSA796272  Dalea mollissima Jim Andre 2012-4-15 20849 Riverside West end of Hayfield Dry Lake, 0.3 mi. N of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10. 395 Comment
  CAS-BOT-BC283043  Dasyochloa pulchella John Thomas Howell 1928-1-30 3310 Riverside 2 miles e. of Shaver's Well, Colorado Desert Comment
  RSA774925  Dasyochloa pulchella Duncan S. Bell 2011-4-7 2167 Riverside On the east side of the Arica mountains; approximately 2 miles northwest of Priests Well, or approximately 5.2 air miles southwest of the ghost town of Rice. 357 Comment
  OBI43206  Datisca glomerata Hal Royaltey 1970-5-15 Riverside 9 mi from De Luz on Murrieta-Fallbrook rd 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
  RSA575930  Datura wrightii Steve D. Boyd 1994-10-14 8391 Riverside Southern San Mateo Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest. San Mateo Canyon, in canyon bottom at the confluence with Bluewater Canyon. 329 Comment
  UCR154621  Daucus pusillus A. C. Sanders, T. B. Salvato 2005-4-28 29765 Riverside Peninsular Ranges, Gavilan Hills; north of Santa Rosa Rd., 1 mi. SW of Ida Leona Mine 625 Comment
  UCR158727  Daucus pusillus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30010 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  CAS-BOT-BC294107  Deinandra kelloggii A. C. Sanders 1993-5-17 14063 Riverside Hemet, S side of Florida Ave. (Hwy 74) on the E side of California Ave. 460 Comment
  CAS-BOT-BC294110  Deinandra kelloggii H. M. Hall 1905-6-1 6239 Riverside Hills east of Riverside Comment
  SD233742  Deinandra kelloggii A. C. Sanders, Kelly Volansky 2003-10-16 27348 Riverside Moreno Valley: lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. Alluvial slopes and low hills cut by sandy washes. 534 Comment
  UCD131161  Deinandra mohavensis A. C. Sanders; T. Schram, D. Wappler 1994-10-4 15775 Riverside San Jacinto Mountains: nameless tributary Azalea Creek ca. 1 mile due south of the Twin Pines Ranch buildings. Comment
  CAS-BOT-BC131036  Deinandra paniculata Mrs. J. D. Abrams 1901-5-20 2 Riverside Elsinore Comment
  SD135127  Deinandra paniculata Craig Reiser 1993-6-14 Riverside Near Winchester, N of Patton Rd. and several hundred yards N of San Diego aquaduct Comment
  SD240868  Deinandra paniculata Jeremiah George 2011-7-18 Riverside Peninsular Range; Elsinore Trough: North Lake Elsinore, just west of Nichols Rd. and Collier Ave. junction. West side of riparian strip. 384 Comment
  UCR266426  Deinandra paniculata D. E. Bramlet, Bill Wagner 2009-10-19 4403 Riverside Peninsular Range, Riverside, Sycamore Canyon Reserve, c. 0.75 km north of Allesandro Blvd., west of Sycamore Canyon Blvd., along dirt pole line road 470 Comment
  UCR205021  Delphinium parishii Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10473 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert, East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station 366 Comment
  CAS-BOT-BC7976  Delphinium parishii subsp. parishii H. Lewis; C. Epling 1941-5-7 S.N. Riverside 3 miles N. of Cottonwood Spring, Joshua Tree Nat. Mon. Comment
  UCR251940  Delphinium parryi Harun Bektas 2011-4-26 03 Riverside Riverside, Box Springs Mountain Park; 7 miles above Moreno Valley via Pigeon Pass Rd. 793 Comment
  UCSB12962  Delphinium parryi Woodhouse, Charles 1962-5-5 Riverside 6.5 miles south of Banning on road to Idyllwild 1158 Comment
  UCR16746  Delphinium parryi subsp. parryi Rodney Hendrick 1965-5-2 s.n. Riverside Peninsular Range, Temecula Creek and Hwy. 71 610 Comment
  CAS-BOT-BC82950  Dendromecon rigida A. M. White 1974-6-5 1362 Riverside Indian Road ca. 15 miles west Sun City. 1219 Comment
  CAS-BOT-BC82955  Dendromecon rigida Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning. Comment
  CSUSB1037  Dendromecon rigida P. A. Rauch 1966-4-30 Riverside At road elevation 3600 feet Banning- Idyllwild Highway (about 8 miles from Banning). 1097 Comment
  OBI32751  Dendromecon rigida E. W. Lathrop 1966-3-23 6090 Riverside 4 mi W of Corona between Tin Mine cyn and Santiago Peak, Skyline Dr 610 Comment
  SD232141  Deschampsia danthonioides Scott D. White, Justin M. Wood 2008-6-19 12267 Riverside San Jacinto Mountains, Meadows at Baldy Mountain. Comment
  UCD114666  Descurainia pinnata C. L. Hitchcock; C. V. Muhlick 1962-3-16 22133 Riverside Temescal Canyon, 8 miles SE of Corona. Comment
  POM13863  Dicentra chrysantha P. A. Munz 1922-4-29 5083 Riverside West of Lake Elsinore; base of elsinore mountains. 488 Comment
  UCR19416  Dicentra chrysantha C. S. Papp 1965-6-13 841 Riverside San Jacinto Mtns, Idyllwild 1829 Comment
  UCR241194  Dicentra chrysantha T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 377 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  UCR281800  Dicentra chrysantha Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-24 517- 127 Riverside Menifee Valley, Menifee, S. side of Bundy Canyon Rd., vicinity of 'Moss Road'. 527 Comment
  JOTR30225  Dichelostemma capitatum subsp. capitatum Leary, C. and Leary, Pat 1979-5-5 2991 Riverside Joshua Tree National Park. Above Lower Covington Flats, Joshua Tree National Monument, T2S R7E sec 6 Comment
  SDSU12268  Dichelostemma capitatum subsp. capitatum Jeremy Mass, Ryan Jacobsen 2000-4-19 12 Riverside Along edge of road near Stone Creek, close to Southside Field Station, Santa Margarita Ecological Reserve (SDSU). 222 Comment
  SEINET3218913 Image available Dichelostemma capitatum subsp. capitatum Marc Mittleman 1982-5-25 Riverside Gentry Experimental Farm, Los Alamos Road, Murrieta. 366 Comment
  RSA524231  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4025 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  JEPS41017  Dicoria canescens S. B. Parish 1912-10-8 8366 Riverside Indio Salton Basin -6 Comment
  SD115008  Dieteria canescens var. ziegleri Fred T. Sproul 1977-8-13 185 Riverside Along road to Santa Rosa Pk. At beginning of Pine-Oak Woodland (mak 11/07) Comment
  SEINET269467 Image available Digitaria sanguinalis Scott D. White, Steve Ogg 1994-10-17 2499 Riverside Temecula Valley. City of Temecula, Murrieta Creek channel at confluence with Sta. Gertrudis Creek USGS 71/2' Murrieta quad. 315 Comment
  RSA773123  Dimorphotheca sinuata Duncan S. Bell, Ryan Parker 2010-6-1 1234 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.1 air mile southeast of junction of Highway 74 and forest service road 5S15. Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 779 Comment
  SD186339  Diplacus brevipes Andy C. Sanders, M. Misenhelter 2005-6-15 30959 Riverside 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 summitof (Big) Oak Mtn., SW of Rocky Ridge and SE of Black hills 640 Comment
  RSA0019283  Diplacus brevipes N. C. Cooper 1943-9-11 924 Riverside Below Idlewild. 915 Comment
  RSA0018427  Diplacus longiflorus var. calycinus Robert F. Thorne, C. W. Tilforth, J. P. Simon 1969-6-24 38133 Riverside San Bernardino National Forest, San Jacinto Mountains: Lake Fulmor. 1677 Comment
  RSA0018433  Diplacus longiflorus var. calycinus David M. Thompson 1992-5-18 1070 Riverside 3.0 mi. s of foot of grade [this at 90 degrees turn allowing access to I-10 interchange] along Banning Grade (Hwy 243) in to San Jacinto Mts. 915 Comment
  CAS-BOT-BC150869  Diplacus puniceus H. M. Hall 1902-4-21 2928 Riverside Vicinity of Riverside, Gavilan Hills 457 Comment
  SBBG97162  Diplacus puniceus W. L. Halvorson 1977-4-1 77 -218 Riverside 5 mi S of Temecula on County Rd S16 Comment
  HSC95393  Diplotaxis muralis A. C. Sanders 2002-11-17 25624 Riverside San Bernardino/Santa Ana River Valley Region, Riverside, UCR Botanical Garden, near the W fence above the Latin American section 366 Comment
  UCR2330  Distichlis spicata F. M. Reed 1906-4-29 944 Riverside Riverside, in the Santa Ana River bottom near the racetrack below Chinatown 244 Comment
  JEPS2749 Image available Ditaxis claryana Marjorie D. Clary 1932-12-16 1707 Riverside 10 mi w Coachella (on bajadas at foot of Santa Rosa Mts.); Colorado Desert; Santa Rosa Mts., W of Coachella, Colorado Desert 91 Comment
  HSC66632  Ditaxis lanceolata Christopher Davidson 1979-4-4 7736 Riverside Orocopia Mtns., E of Box Canyon on Box Canyon Rd., 15.1 mi. E of Mecca, dirt road to the SE 579 Comment
  JOTR33807  Ditaxis lanceolata La Doux, Tasha, B. Truesdell 2007-11-9 3324 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park, open bajada below mouth of Lost Palms Canyon (STOP 2) 601 Comment
  RSA682077  Ditaxis lanceolata Scott D. White, Michael Honer 2003-4-30 9133 Riverside Shavers Valley. About 1-2 miles south west of unnamed freeway exit at pumping station. 396 Comment
  UCR214433  Ditaxis lanceolata A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37492 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
  JOTR34372  Ditaxis neomexicana Andre, Jim 2012-4-16 20889 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  RSA776244  Ditaxis neomexicana Duncan S. Bell 2010-3-20 595 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  UCR5218  Ditaxis neomexicana O. F. Clarke 1966-10-5 661005- 07 Riverside Sonoran (Colorado) Desert, University of Calif, Riverside Desert Research Center [= Deep Canyon] 290 Comment
  UCR58872  Ditaxis neomexicana J. M. Stewart 1989-10-16 612 Riverside Sonoran (Colorado) Desert, Big Maria Mountains, canyon on NE side Comment
  JEPS52437  Ditaxis serrata W. L. Jepson 1928-4-25 12630 Riverside Pinto Basin, S Mohave Desert 822 Comment
  RSA781608  Ditaxis serrata Duncan S. Bell 2011-12-30 3040 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
  CAS-BOT-BC126756  Dithyrea californica A. C. Sanders 2010-3-15 37417 Riverside Sonoran (Colorado) Desert: pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  RSA550336  Dithyrea californica W. Wisura, John Dolan, M. Wall 1992-3-25 4652 Riverside Lowdesert: 2.7 miles S of prison on Wileys Well Road. Comment
  UC572414  Dithyrea californica H. S. Yates 1937-3-23 6406 Riverside 2 mi n Palm Springs; San Jacinto Quad. 213 Comment
  UCR113633  Downingia cuspidata June Latting 1978-6-4 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., Santa Rosa Plateau, Mesa de Burro 610 Comment
  SD28101  Draba corrugata var. saxosa Carl B. Wolf 1932-8-5 3979 Riverside Summit of San Jacinto Peak 3293 Comment
  UCR217794  Draba cuneifolia Jim Andre, T. La Doux 2010-2-28 12561 Riverside Lower Colorado River Valley, along Hwy 95 c. 25 miles north of Blythe, on east side of Big Maria Mountains, under radio tower 83 Comment
  RSA634213  Drymocallis glandulosa var. reflexa Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38077 Riverside San Jacinto Mountains: San Bernardino National Forest. Above James Reserve in Hall Canyon. 1677 Comment
  UCR240657  Dryopteris arguta Tracy Tennant, Mitch Provance 1998-6-16 MOR- 428 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  UCR101843  Dudleya B. G. Pitzer 1997-4-1 3043 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  SEINET3071477  Dudleya Marc A. Baker, Michelle Cloud-Hughes 2011-1 Riverside Comment
  UCR130867  Dudleya lanceolata Mitch Provance 1998-6-10 636 Riverside City of Riverside, East side of Pachappa Hill, as accessed from where Panorama road crosses the 91 freeway. 335 Comment
  UC69874  Dudleya multicaulis C. M. Wilder 1905-5-30 584 Riverside West Riverside Comment
  UCR37492  Dudleya multicaulis Steve Boyd 1981-5-8 s.n. Riverside Peninsular Range, Gavilan Hills, Estelle Mountain. 823 Comment
  UCR262569  Dudleya pulverulenta T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3752 Riverside San Jacinto Mountains, San Jacinto River Canyon, c. 0.16 mi south-southwest of the dirt parking area at the head of the South Fork Trail (FSR 2E17) from Hwy 74 1250 Comment
  RSA341995  Dudleya saxosa subsp. aloides R. F. Thorne 1980-4-16 54058 Riverside San Bernardino Mts: Sandy beach along Whitewater River, E of bridge and levee and below W-facing bluff 412 Comment
  UC2059983  Dudleya saxosa subsp. aloides K. Nakai 1980-12-25 682 Riverside San Jacinto Mountains, Thomas Mountains, ca. 1/2 mi from Highway 74 on Ramona Trail. Comment
  HSC86935  Dysphania ambrosioides S. J. Myers 1987-10-27 Riverside 3 mi. W of Temecula, NE portion of Santa Rosa plateau, 3/4 mi. E of Walker Basin Comment
  POM12845  Echinocereus engelmannii var. munzii P. A. Munz, I. M. Johnston 1922-5-21 5570 Riverside Hemet Valley, San Jacinto Mountains 1418 Comment
  POM13142  Elatine californica P. A. Munz, I. M. Johnston 1922-5-21 5520 Riverside Hemet Valley, San Jacinto Mts.; Garner Ranch 1387 Comment
  RSA286805  Elatine californica R. F. Thorne 1974-5-23 44673 Riverside Santa Ana Mountains, Santa Rosa Plateau, Rancho California: N edge of large vernal marsh, Mesa de Colorado 624 Comment
  RSA65625  Elatine californica F. W. Peirson 1922-5-21 4109 Riverside Hemet Valley. [Hemet Valley = Garner Valley -SDW] 1338 Comment
  CAS-BOT-BC113603  Eleocharis acicularis var. occidentalis E. Lathrop; O. Clark; S. J. Carlquist 1968-4-18 37455 Riverside Santa Rosa Plateau: shallow water at W end of vernal marsh on Mesa de Colorado, 670 Comment
  JOTR34102  Eleocharis macrostachya La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2608 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
  SD90468  Eleocharis montevidensis Robert F. Thorne, E. Lathrop 1969-6-6 39345 Riverside Santa Rosa Plateau, Rancho California, shallow water of small stream. 609 Comment
  UCR241227  Eleocharis parishii Tracy Tennant, Jeffrey Ross 1998-7-11 MOR- 508 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  UCR178345  Elymus glaucus Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 1049 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  UCR20449  Elymus stebbinsii E. W. Lathrop 1966-6-1 6374 Riverside Cleveland National Forest. 14 mi NW of Murrieta, Los Alamos Road between Fisherman Camp and Main Divide Truck Trail. Comment
  SEINET3222769 Image available Elymus triticoides Steve Boyd 1985-7-23 1006 Riverside De Luz Rd, 5.5 mi W of Rancho California. 400 Comment
  UCR22064  Elymus triticoides Steve Boyd 1980-6-2 308 Riverside Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau 640 Comment
  UCR87618  Emmenanthe penduliflora A. C. Sanders 1994-5-30 14619 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  CAS-BOT-BC131169  Encelia actoni Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring 60 Comment
  HSC34783  Encelia actoni R. E. Cooksey Mar 1974 193 Riverside Chino Canyon below Palm Springs Tramway; San Jacinto Mtns. 381 Comment
  UC1118041  Encelia actoni A. E. Wieslander 1938-5-5 741 Riverside 1 mi s Black Hill; Thermal Quad. 975 Comment
  UCR238216  Encelia actoni Mark A. Elvin 2004-8-3 3654 Riverside Peninsular Ranges: San Jacinto Mountains, Garner Valley, east of Hwy 74, southof Fobes Ranch Road, north of Morris Ranch Road 1402 Comment
  RSA85478  Encelia californica J. C. Roos 1952-4-16 5557 Riverside Box Springs Mountains, Pigeon Pass. 396 Comment
  UCR172257  Encelia californica John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, City of Temecula, Immediately N and south of Murrieta Hot Springs Road along San Diego Aqueduct right-of-way 396 Comment
  CAS-BOT-BC131346  Encelia farinosa W. R. Dudley 1903-12-26 s.n. Riverside Palm [Canon] Canyon Comment
  LA202445  Encelia farinosa T. A. Geissman; sn Riverside Joshua Tree National Monument, S entrance Comment
  SBBG8060  Encelia farinosa H. and M. Dearing 1939-12-31 4046 Riverside near Palm Springs Comment
  UC472863  Encelia farinosa M. F. Spencer 1922-4-2 Riverside Colorado Desert; Desert Floor, Palm Springs Comment
  UCR244070  Encelia farinosa Jim Andre 2012-4-16 20897 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd., 1.0 mi. north of south entrance to J.T.N.P. 584 Comment
  RSA33820  Encelia farinosa var. farinosa Norman C. Cooper 1944-3-26 1038 Riverside Morongo Pass, Floor of canyon. 457 Comment
  RSA515197  Encelia farinosa var. farinosa Steve Boyd 1986-3-13 1466 Riverside West side Palen Mts.: NE of Desert Center. Comment
  RSA525271  Encelia farinosa var. farinosa Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4585 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  CAS-BOT-BC166529  Encelia farinosa var. phenicodonta A. C. Sanders; Mark Bibbo; Erin Bergman; Lance Woolley 2010-3-16 37484 Riverside Sonoran (Colorado) Desert: SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  CAS-BOT-BC131442  Encelia frutescens R. D. Alderson 1895-3-31 967 Riverside [Palmetto Spg.,] Palm Springs, Colo. Desert 243 Comment
  RSA701159  Encelia frutescens Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah DeGroot, Valentin Arvizu, Tim Thibault 2004-5-14 11263 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., [Coordinates are off a little and map in Riverside Co.] 570 Comment
  UC1281332  Encelia frutescens H. E. McMinn 1935-6-27 4041 Riverside between Anza and Palms to Pines Highway Comment
  UCR262466  Enchylaena tomentosa A. C. Sanders 2015-6-27 41744 Riverside Peninsular Range, Riverside; former O.F. Clarke residence, 266 Frost Court; east edge of UCR campus Comment
  RSA383860  Ephedra aspera N. R. Zabriskie 1969-1-4 176 Riverside Andreas Canyon near Palm Springs. 365 Comment
  RSA383871  Ephedra californica M. B. Dunkle 1932-3-25 2874 Riverside Cabazon, Colorado Desert. Comment
  UCR234805  Ephedra californica Jim Andre, Glenn L. Clifton 2011-2-22 17472 Riverside Coachella Valley, just south of Hwy I-10 at Amtrak train station parking , just west of North Indian Canyon Drive 186 Comment
  RSA383822  Ephedra trifurca Albert J. Perkins 1895-05 s.n. Riverside Near Riverside Comment
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Apr 13 2014
  RSA85183  Ephedra viridis F. W. Peirson 1933-4-13 10641 Riverside Road from Deep Canyon south of Indio to Idyllwild 1220 Comment
  CAS-BOT-BC171730  Epilobium canum subsp. latifolium R. J. Kessler 1921-10-1 1938 Riverside San Jacinto Mts. Comment
  POM3143  Epilobium ciliatum subsp. ciliatum I. M. Johnston 1917-12-1 s.n. Riverside Santa Ana River, NW of Corona. 183 Comment
  UCSB4333  Epilobium glaberrimum Kamb, Peter 1947-6-7 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  POM15658  Epilobium hallianum Mary F. Spencer 1922-6-26 1705 Riverside Idyllwild, San Jacinto Mountains. 1220 Comment
  UC980844  Epipactis gigantea Fred L. Jones 1953-7-17 90 Riverside Santa Rosa Mountains; at spring 609 Comment
  RSA525703  Equisetum laevigatum Steve Boyd, Timothy S. Ross 1990-5-11 4641 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  SD132541  Equisetum telmateia subsp. braunii John C. Roos 1952-6-25 5794 Riverside Riverside, Fairmount Park, west end 259 Comment
  JOTR16778  Eragrostis cilianensis Hogan, J. 1975-9-6 163 Riverside Joshua Tree National Park. PLEASANT VALLEY PLAYA 999 Comment
  RSA421558  Eremocarpus setiger M. M. Thompson 1947-6-9 C- 2065 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA0118596  Eremothera boothii subsp. condensata Sarah J. J. De Groot, Cheryl Sevilla 2016-3-16 7644 Riverside Mecca Hills: hills around Shaver's Well, along Box Canyon Road; south edge of Shaver's Valley, east-northeast of Mecca. 294 Comment
  UCD118299  Eriastrum densifolium subsp. densifolium Nancy Ryan Zabriskie; Harold J. Ryan 1972-7-25 530 Riverside Immediately N of Vista Grande Forestry Station at turn-in to Mellor Ranch Road, R side going up Banning-Idyllwild Road; cismontane San Jacino Mountains. 1493 Comment
  UCR133417  Eriastrum diffusum Jeffrey Ross, T. B. Salvato 1998-6-9 MOR- 312 A Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Lion Canyon, c. 3.5 miles NNW of Cabazon 854 Comment
  OBI042652  Eriastrum eremicum subsp. eremicum D. Hoover 1986-4-7 774 Riverside Dry wash of the main canyon just below the BLM gate 1800 Comment
  RSA0120078  Eriastrum eremicum subsp. eremicum R. F. Thorne 1964-5-3 33852 Riverside Desert wash near hwy ca 4 miles S of Morongo Valley and ca 3 miles S of San Bernrardino Co. line. Comment
  RSA0120673  Eriastrum harwoodii E. C. Jaeger 1939-4-2 s.n. Riverside Mission Creek, Colorado Desert. Comment
  RSA0121591  Eriastrum sapphirinum subsp. dasyanthum R. L. Pendleton 1905-9-28 269 Riverside Railroad embankment, Salt Lake Bridge, Riverside. 152 Comment
  UCSB9489  Ericameria laricifolia Van Leeuwen, Henry 1957-4-13 Riverside Whitewater Canyon about 2 miles from US 60 Comment
  RSA342552  Ericameria linearifolia R. F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54094 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  RSA500083  Ericameria linearifolia Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3229 Riverside Vail Lake area: Between Kolb Creek and Temecula Creek, forming peninsula at SW end of lake. Comment
  JOTR36400  Ericameria nauseosa var. mohavensis La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3350 Riverside Joshua Tree National Park. Upper Covington Flat: Upper Covington Flats Parking area Comment
  RSA675712  Ericameria palmeri var. pachylepis Scott D. White 2000-10-20 8137 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills. 610 Comment
  JEPS19267  Ericameria paniculata Marjorie D. Clary 1932-12-18 1742 Riverside Clemens Well Colorado Desert, Orocopia Mts. 243 Comment
  LA203147  Ericameria paniculata Louis Wheeler; 1933-12-1 2288 Riverside San Gorgonio Pass, 2 mi. E. Cabazon, 640 Comment
  UC372841  Ericameria paniculata Marcus E. Jones, A. M. 1903-5-10 Riverside Palm Springs Comment
  RSA221018  Ericameria parishii E. W. Lathrop 1966-3-30 6119 Riverside Mail Divide Truck, Trail between El Carriso and Santiago Peak, Cleveland Nat'l Forest 1220 Comment
  RSA249473  Ericameria parishii John F. Emmel 1972-8-20 409 Riverside Firebreak on Chalk Hill, just S of Idyllwild, San Jacinto Mts. 1616 Comment
  RSA0086777  Ericameria pinifolia R. G. Swinney 1967-5-26 11732 Riverside Snow Creek. 335 Comment
  UC496516  Ericameria pinifolia Philip A. Munz 1932-10-16 12841 Riverside Palm Creek Santa Rosa Mts., Palm Creek 1463 Comment
  UC699656  Ericameria teretifolia Kay H. Beach 1942-10-23 1696 Riverside at a point about .5 mi n National Forest Boundary (.75 mi nw of highway, steep bank below Dos Palmas Spring); Dos Palmas Spring Comment
  CAS-BOT-BC296238  Erigeron foliosus var. foliosus Katherine Esau 1935-6-15 s.n. Riverside Hemet Valley Comment
  UCR21955  Erigeron foliosus var. foliosus Steve Boyd 1980-6-4 317 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  POM182241  Erigeron foliosus var. stenophyllus P. A. Munz 1932-4-24 12400 Riverside San Jacinto Mountains: Snow Creek Canyon 457 Comment
  SEINET4344743  Eriodictyon crassifolium K. Seydel 1987-5-23 26 Riverside San Jacinto Mountains; off Highway 74, 5.1 miles up the mountain past Bee Canyon Road 914 Comment
  RSA455109  Eriodictyon trichocalyx var. lanatum Christopher Davidson 1978-6-15 7385 Riverside Santa Rosa Mts. Road from Hwy 74 to Sta Rosa Mt., ca. 2 mi W of junction to Sta Rosa Spgs Campground. 2088 Comment
  UC107133  Eriodictyon trichocalyx var. trichocalyx T. S. Brandegee 1902-5-14 Riverside Banning Comment
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Mar 13 2011
  JOTR33771  Eriogonum angulosum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2926 Riverside Joshua Tree National Park. north of Quail Mountain, near the mouth of Johnny Lang Canyon; loamy and gravelly gentle slopes with rock outcrops in an old burn area from 1999 fire 1173 Comment
  RSA653069  Eriogonum apiculatum Reid V. Moran 1973-7-28 21108 Riverside Santa Rosa Mts., at summit of Toro Peak. 2500 Comment
  SEINET13262873 Image available Eriogonum apiculatum L. C. Wheeler 1945-1 6412 Riverside divide between West Fork Snow Creek and North Fork San Jacinto River 2378 Comment
  JOTR16809  Eriogonum davidsonii Baker, James K. & Baker, Ilisa T. 1966-6-17 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS Comment
  CAS-BOT-BC256128  Eriogonum deflexum var. deflexum Aven Nelson; Ruth Nelson 1939-3-29 3325 Riverside Hidden Springs Canyon, not far from Mecca Comment
  UC1929324  Eriogonum elongatum Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10683 Riverside San Jacinto Mountain foothills; Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. Comment
  RSA0063032  Eriogonum elongatum Andrew Haimov, April Sleigh 1992-5-10 89 Riverside West side of Davis Road, 1/2 mile south of Allessandro Road, San Jacinto Wildlife Area. Comment
  RSA392663  Eriogonum fasciculatum var. flavoviride Jack Rempel, Erwin Miller 1934-4-28 s.n. Riverside Lost Horse 1296 Comment
  UCR260541  Eriogonum fasciculatum var. foliolosum T. B. Salvato 2014-5-29 8040 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully, c. 1.13 mi west of Murrieta Rd and 4.10 mi southeast of Canyon Lake 537 Comment
  JEPS56993  Eriogonum fasciculatum var. polifolium W. L. Jepson 1914-5-25 6066 Riverside San Gorgonio Pass 518 Comment
  LA206786  Eriogonum fasciculatum var. polifolium A. M. Johnson; 1932-8-18 4133 Riverside San Jacinto Mountains, along road, down Banning side Comment
  RSA33515  Eriogonum fasciculatum var. polifolium N. C. Cooper 1080 Riverside Andreas Canyon. 305 Comment
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Jun 26 2008
  SD187459  Eriogonum fasciculatum var. polifolium Scott D. White, Angelia Carey 2004-4-16 10168 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. Lake Fulmor 548 Comment
  SD229222  Eriogonum fasciculatum var. polifolium Dick Schwenkmeyer 2012-8-6 770 Riverside Garnet Queen Mine on Santa Rosa Mountain road, 4.1 miles southeast of the intersection of highway 74 and Santa Rosa Mountain Road. 1834 Comment
  SEINET3208885  Eriogonum fasciculatum var. polifolium G. Goodwin 2012-6-14 3439 Riverside San Jacinto Mountains, 3 miles south of Banning along highway 243 910 Comment
  UCD100022  Eriogonum fasciculatum var. polifolium K. Esau 1935-6-20 s.n. Riverside Beaumont Grade. Comment
  UCR202028  Eriogonum gracile Denise Woodard, G. Nuhn 1995-8-21 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, 300 acre parcel at west end of Domenigoni Valley, c. 3 miles south of Winchester on the west side of Winchester Rd. 470 Comment
  RSA33368  Eriogonum gracile var. gracile N. C. Cooper 1943-9-26 929 Riverside Cabazon. 610 Comment
  RSA561411  Eriogonum gracile var. gracile Steve Boyd, Tim S. Ross, Dave Bramlet 1992-9-9 7682 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek,, up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  UCR204359  Eriogonum gracile var. incultum LeRoy Gross, Duncan Bell 2008-9-16 3576 B Riverside Peninsular Range; San Jacinto Mountains, west side of Garner Valley, near Hwy 74, c. 0.25 mi north from Ramona trailhead parking area 1365 Comment
  UCR60830  Eriogonum inflatum Steve Boyd, Orlando Mistretta 1986-3-13 1475 Riverside Sonoran (Colorado) Desert, West side Palen Mtns: NE of Desert center; first large canyon at NW tip of western segment of range Comment
  UCR1052  Eriogonum inflatum var. deflatum Christine Dorn 1971-4-15 s.n. Riverside Sonoran (Colorado) Desert, 5 miles east of Desert Hot Springs 396 Comment
  RSA393584  Eriogonum inflatum var. inflatum Grinnell s.n. Riverside Andreas Canon Comment
  RSA144222  Eriogonum mohavense William M. Klein 1960-8-22 1588 Riverside North of Idyllwild along trail to Suicide Rock and Mt. San Jacinto, San Jacinto Mountains. Comment
  RSA339333  Eriogonum plumatella Robert F. Thorne, Rolf, Gertrud Dahlgren 1979-8-22 53565 Riverside Joshua Tree National Monument: Just S of San Bernardino Co. line near jct of road to Split Rock and 29 Palms; Valley W of Pinto Mountains. 1098 Comment
  JOTR36475  Eriogonum pusillum La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3409 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
  CAS-BOT-BC253018  Eriogonum reniforme K. L. Chambers 1973-3-19 3623 Riverside Cottonwood Pass Road at S. border of Joshua Tree Natl. Mon., 1.0 miles N of junction with Highway 60 Comment
  POM122028  Eriogonum thomasii Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  SBBG81717  Eriogonum thomasii S. A. Junak 1983-3-24 1661 Riverside N side of Hwy 10, 6.9 mi W of Pinto Basin Rd 426 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
  SEINET3405309 Image available Eriogonum thurberi Susan G. Stokes 1933-7-1 74 Riverside Road to Idyllwild 1219 Comment
  SEINET3087398 Image available Eriogonum wrightii subsp. membranaceum Steve Boyd 1985-10-5 1190 Riverside Gavilan Hills; Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  RSA38358  Eriogonum wrightii var. membranaceum P. A. Munz 1946-10-19 11565 Riverside Coahuila. 1098 Comment
  RSA420616  Eriogonum wrightii var. membranaceum E. A. McGregor 1963-11-6 68 -a Riverside Pines to Palms Hwy, between Palm Springs and Idyllwild. Comment
  CAS-BOT-BC261788  Eriogonum wrightii var. nodosum Lewis S. Rose 1935-12-23 35696 Riverside Colorado Desert. Above Deep Canyon, San Jacinto Mts., 22 mi. S. of Cathedral City 914 Comment
  RSA0097951  Eriogonum wrightii var. nodosum Duncan S. Bell 2014-11-14 7722 Riverside Santa Rosa Mountains; in the Santa Rosa Wilderness area; west side of Martinez Mountain; collecting at Cactus Spring. 1292 Comment
  UCR2828  Erioneuron pulchellum F. M. Reed 1927-3-19 5438 Riverside Sonoran (Colorado) Desert, upper fork of Salt Creek Wash [east of the Salton Sea] 549 Comment
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Feb 28 2011
  POM357896  Eriophyllum ambiguum var. paleaceum Anstruther Davidson 1893-4-12 s.n. Riverside Palm Springs. Comment
  UCR279389  Eriophyllum lanosum A. C. Sanders, Jim Malusa 2017-3-24 42978 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
  CAS-BOT-BC301800  Eriophyllum multicaule A. C. Sanders; J. C. Lyman 1995-4-16 1655904 Riverside Glen Avon: sand dune area on the N slope of the Jurupa Hills (draining toward Fontana), Pyrite St. Canyon 335 Comment
  POM358079  Eriophyllum multicaule M. B. Dunkle 1935-3-10 4355 Riverside Temescal Canyon. 274 Comment
  SEINET3146687  Eriophyllum multicaule M. E. Jones 1882-4-25 3173 Riverside San Jacinto Comment
  UC891163  Eriophyllum multicaule Marcus E. Jones, A. M. 1882-4-25 3173 Riverside San Jacinto Comment
  CAS-BOT-BC302039  Eriophyllum wallacei H. M. Hall 1899-5-25 1179 Riverside San Jacinto Mountains. Coyote Canon [Canyon], El Toro Mt. Comment
  SBBG65678  Eriophyllum wallacei M. N. Ackley 1928-3-10 283 Riverside Bridge Haven [Service Station in Whitewater, 1920s -1950] 426 Comment
  CHSC114145  Erodium cicutarium Dave Silverman; Cindy Hopkins, Jamison Miner 2008-3-31 7009 Riverside SE of Banning, old gravel pit/dump E of water treatment facility, along Smith Creek, 320 m S of E. Westward Ave. S end of gravel pit. UTM Zone 11 0514495 E 3752752N. NE1/4 of Sec 14. 628 Comment
  JOTR31878  Erodium cicutarium La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2132 Riverside Joshua Tree National Park. Little San Bernardino Mountains; steep, gravelly, southwest facing slope above fork of Fargo and Rockhouse Canyons Comment
  SDSU7341  Erodium cicutarium S. J. Barnhart 1966-4-1 660417 -13 Riverside South-west facing slope of small hill 0.1 miles east of McAllister Street along the Metropolitan Water Co. utility road (dirt), which is 1.5 miles south-east of the intersection of Mc Allister Street and Victoria Avenue. 457 Comment
  CAS-BOT-BC421492  Erodium moschatum L. Nye; G. Gust 2005-3-11 60 Riverside Lake Elsinore. Intersection of Malaga and Mission Trail Rd. 398 Comment
  RSA356742  Eryngium aristulatum var. parishii R. F. Thorne 1973-5-23 45524 Riverside Santa Rosa Plateau-Mesa De Colorado: Wet margin of vernal marsh 609 Comment
  UCR154547  Eryngium aristulatum var. parishii Jason L. Hlebakos 2005-5-13 680 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, large vernal pool on Mesa de Colorado, c. 4 mi SE of Squaw Mtn 634 Comment
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Feb 3 2015
  UCR132923  Erysimum capitatum 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
  RSA0020087  Erythranthe floribunda Scott D. White, Julie Greene 1998-8-1 6961 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
  RSA0019315  Erythranthe guttata Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  SD236423  Erythranthe guttata A. C. Sanders, Tim Thomas 2008-6-20 35551 Riverside Peninsular Range; San Jacinto Mtns.: May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  RSA0019314  Erythranthe guttata Peter H. Raven 1958-5-17 12944 Riverside 7.4 mi south-east of Banning on road to Idyllwild. Comment
  UCD101786  Eschscholzia androuxii Shannon M. Still; Carolyn Still, Steven Still 2009-3-28 512 Riverside California. Riverside County: Joshua Tree National Park. 724 Comment
  UCD96497  Eschscholzia androuxii Shannon M. Still 2009-4-19 547 Riverside California. Riverside County: Joshua Tree National Park. Next to stone outcropping off of Old Dale Road. 722 Comment
  RSA0022971  Eschscholzia androuxii Percy C. Everett, E. K. Balls 1958-5-7 23114 Riverside S end Joshua Tree National Monument 1067 Comment
  CLARK-A1656-689  Eschscholzia glyptosperma Lois Ann Scott 1979-3-2 Riverside Rancho Mirage 91 Comment
  CLARK-A1656-696  Eschscholzia minutiflora Lois Ann Scott 1979-3-2 Riverside Rancho Mirage 91 Comment
  CSUSB1238  Eschscholzia minutiflora J. E. Parlevliet 1958-4-19 Riverside Along highway to Twenty-Nine Palms about 2 miles up this road from where it starts on highway Riverside-Indio, till first sign on right, "Kings Ranch." 304 Comment
  RSA652810  Eschscholzia minutiflora Colleen Callan 1992-5-2 18 Riverside Yucca Valley. 10 freeway east to Highway 62 east. North on Hwy 247. West on Pipes Canyon Road for Five miles. 1250 Comment
  RSA80987  Eschscholzia minutiflora G. R. Campbell 1952-4-5 18373 Riverside Colorado Desert, road leading from Highway 60 to 29 Palms [Hwy 62], at junction to Desert Hot Springs 762 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
  RSA0022946  Eschscholzia minutiflora Anstruther Davidson 1903-5-1 s.n. Riverside Thermal Comment
  RSA0023208  Eschscholzia papastillii Curtis Clark 1976-5-8 542 Riverside Sheephole Mtns, 21.9 miles S of Amboy on road to Twentynine Palms. 640 Comment
  UC1546701  Eschscholzia parishii Barry A. Prigge 1988-2-21 7841 Riverside 2 mi w Clemens Well; Colorado Desert, Orocopia Mountains 228 Comment
  SEINET7904490  Eucalyptus robusta Paul Schallert 1957-1 10883 Riverside Banning. Morongo Moravian church-yard Comment
  UC1537540  Eucrypta chrysanthemifolia var. chrysanthemifolia Gordon H. True Jr. 1935-2-22 7 Riverside Box Springs; Sycamore Canyon 365 Comment
  UCR41849  Eucrypta micrantha A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6111 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UCR176674  Euphorbia G. S. Nuessly 1980-10-14 s.n. Riverside Riverside: U.C. Riverside campus, above Picnic Hill 351 Comment
  UCR112314  Euphorbia albomarginata A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23444 Riverside Menifee Valley, S of Newport Rd., north of Holland Rd. and east of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR5986  Euphorbia albomarginata Leland E. Francois 1966-4-23 42366- 8 Riverside Mojave Desert, Joshua Tree National Monument [now J.T. National Park], south edge of Ryan Mountain Campground 1300 Comment
  RSA0124747  Euphorbia jaegeri Duncan S. Bell, LeRoy Gross 2016-3-9 8838 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 1.75 air miles north of Gucci Spring. 551 Comment
  SDSU21594  Euphorbia micromera Duncan S. Bell 2011-10-22 3000 Riverside Arica Mountains: west side of the mountain range, ca. 2.6 air miles west of Priests Well, and ca. 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  UCD77526  Euphorbia micromera Robert E. Preston 1997-11-11 1060 Riverside east edge of Palo Verde Mesa. 99 Comment
  HSC78931  Euphorbia misera R. F. Thorne, Drs. Fosberg, Sachet, Herbst 1983-4-23 55410 Riverside San Bernardino Mtns., mouth of Whitewater canyon, E of Whitewater Post Office at S end of ridge 412 Comment
  UCR128427  Euphorbia nutans A. C. Sanders 2003-10-17 27353 Riverside San Bernardino Valley Region, Riverside, 3rd St. west of Chicago Ave. 287 Comment
  POM12863  Euphorbia palmeri P. A. Munz 1922-6-28 5882 Riverside Mts. above Santa Rosa. 2409 Comment
  RSA499150  Euphorbia palmeri C. Epling, Wm. Robison 1935-6-30 s.n Riverside San Jacinto Mountains: North Fork San Jacinto River. Comment
  JOTR35059  Euphorbia polycarpa La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3511 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road. South-facing bajada with shallow Sonoran desert riparian corridors among desert pavement. Comment
  UCR119352  Euphorbia polycarpa Helen Kennedy, Sara Mills 2001-3-17 5391 Riverside Mojave Desert, 0.8 mi from the junction of Hwy 10 & Cottonwood Springs Road, 100m SE of the entrance to Joshua Tree National Park 550 Comment
  UCR98183  Euphorbia polycarpa Scott D. White 1997-2-28 4704 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  OBI14407  Euphorbia polycarpa var. hirtella Robert F. Hoover 1966-10-15 10162 Riverside Dead Indian Creek Wash, S of Palm Desert Comment
  UCR153426  Euphorbia polycarpa var. hirtella Scott D. White 2000-3-23 7635 Riverside Sonoran (Colorado) Desert, Coachella Valley, Thousand Palms area. North terminus of Rio del Sol Road at intersection with Vista Chino. Proposed aggregate mine expansion 183 Comment
  RSA659663  Euphorbia setiloba J. C. Roos 1947-11-1 3756 Riverside On the edge of Lost Palms wash, Eagle Mtns. Comment
  SD247415  Euphorbiaceae O. F. Clarke 2004-3-19 Riverside Peninsular Range: Riverside; UCR Botanical Garden (Riverside East 7.5'Q) 340 Comment
  UCR55324  Eustoma exaltatum C. Butsch 1988-7-7 s.n. Riverside Rubidoux, Rancho Jurupa Park. Comment
  RSA391197  Fagonia laevis E. C. Jaeger 1922-3-19 751 Riverside Painted Canyon, near Mecca. 61 Comment
  RSA444664  Fagonia laevis J. C. Roos 1966-3-26 s.n. Riverside 2 miles SE of Desert Center. Comment
  UCR159767  Fagonia laevis Scott D. White 1999-4-20 7274 Riverside Colorado River Valley, Blythe area, Southern foothills of the Big Maria Mtns, NW of Calif. Hwy 95, c. 7 road mi N of the junction of Hwy 10 and Intake Blvd in Blythe 137 Comment
  POM126306  Fagonia pachyacantha Thomas Craig 1927-4-2 47 Riverside Hidden Springs Canyon; Colorado Desert. Comment
  RSA777732  Fagonia pachyacantha Jim Andre, G. L. Clifton 2011-2-22 17444 Riverside Mecca Hills; along Box Canyon Road, 10.3 miles NE of town of Mecca 219 Comment
  UCR279513  Fagonia pachyacantha A. C. Sanders, Jim Malusa 2017-3-27 43112 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, canyon 12 km NE (46 deg. ) of Bombay Beach, on both sides of the Imperial County line 305 Comment
  UCR41463  Fagonia pachyacantha A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6136 Riverside Sonoran (Colorado) Desert, N foot of the Chuckwalla Mountains, 2.75 mi (airline) SE of Desert Center 367 Comment
  UCR20530  Festuca grayi John C. Roos 1952-4-9 5482 Riverside Hill by Fairmont Park, Riverside 259 Comment
  UCR90824  Festuca myuros A. C. Sanders, G. K. Helmkamp 1996-3-17 17989 Riverside Sonoran (Colorado) Desert, Coachella Valley, Palm Springs, mouth of Palm Canyon, c. 0.5 km east of Palm Canyon Dr. on Bogert trail 163 Comment
  UC2015686  Festuca octoflora A. C. Sanders, G. Helmkamp & P. MacKay 1995-3-12 16089 Riverside Coachella Valley: alluvial slopes at the foot of Rabbit Peak, Santa Rosa Mtns., below Sheep Canyon. Comment
  UCR199789  Festuca pratensis Scott D. White, Justin M. Wood 2008-6-24 12289 Riverside Beaumont Badlands, San Timoteo Canyon, meadow along San Timoteo Creek 671 Comment
  RSA613452  Filago gallica D. L. Banks, Victor Steinmann 1997-3-13 1440 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  UCR48385  Filago gallica Steve Boyd 1986-5-7 1842 Riverside Peninsular Range, Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, south of Hwy I-15 366 Comment
  UCSB63087  Flaveria trinervia Sanders, A. 1981-10-31 Riverside McKinley St. between Riverside and Corona, 3/10 mi. north of Hwy 91 and +100 yds west of McKinley 304 Comment
  RSA783226  Fouquieria splendens J. D. Olmsted 1958-3-30 92 Riverside Transition zone near southern entrance to Joshua Tree National Monument with southern drainage towards Salton Sea Comment
  UCR174527  Fragaria vesca Holly Summers, Jennifer H. Jones and Thi (Teresa) Bui 2006-5-31 s.n. Riverside Peninsular Ranges; San Jacinto Mtns., Stream below parking lot on Calif. Hwy 243 across road from Lake Fulmor 1616 Comment
  CLARK-A1528-2928  Frankenia grandifolia John C. Roos 1937-9-16 2568 Riverside Riverside Comment
  SBBG82060  Frankenia salina O. F. Clarke 1985-5-13 Riverside San Jacinto River Valley, gun club ponds E of Davis Rd, a short distance N of Lakeview, E of the Bernasconi Hills 426 Comment
  UCR114195  Frankenia salina A. C. Sanders, D. Malueg, K. D. Jones, et al 2000-9-8 23638 Riverside Perris-Aguanga Basin Region, French Valley, gasline right of way just south of Los Alamos/Thompson Rd. on the east side of Briggs Rd., c. 0.5 km NE of Adobe Spring 409 Comment
  UCR116947  Frankenia salina A. C. Sanders, D. Malueg 2001-5-17 24356 Riverside Perris-Aguanga Basin, Gasline right of way across Pinto and Hoopes Ranches, east of Briggs Road at and near Warm Springs Creek, south of Scott Rd. 415 Comment
  CLARK-A1656-798  Franseria acanthicarpa Theo Glenn 1982-10-7 Riverside Snow Creek 396 Comment
  SEINET2030087 Image available Franseria dumosa Ira L. Wiggins 1941-3-14 9575 Riverside Along eastern side of Salton Sea, 2.7 miles south of Mortmar Comment
  RSA192019  Frasera parryi E. W. Lathrop 1960-6-10 4996 Riverside 8 miles west of Murrieta. Comment
  LA50890  Fraxinus dipetala W. E. Pequegnat; 1939-8-4 3 Riverside Santa Ana Mountains, Coldwater Trail 609 Comment
  UCR252994  Fraxinus uhdei Fred T. Sproul, Julia Groebner 2014-7-21 6007 Riverside Santa Ana River at Norco 169 Comment
  CAS-BOT-BC211017  Fraxinus velutina A. C. Sanders; J. Goetzen 1996-5-1 18133 Riverside San Bernardino Mtns.: Morongo Indian Reservation, along dirt road in Hathaway Crk. Cyn., N of Banning 915 Comment
  UC1929896  Fraxinus velutina Scott D. White, Angelia Carey 2004-7-2 10598 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. San Jacinto 7.5' Quad. Comment
  UCR177658  Fraxinus velutina var. coriacea P. A. Munz, I. M. Johnston 1924-7-29 8869 Riverside San Bernardino Mtns., San Gorgonio Canyon, north of Banning 1128 Comment
  RSA367716  Fritillaria biflora Katharine Beers 1929-1 s.n. Riverside Murietta Hot Springs. Comment
  POM129903  Funastrum cynanchoides var. hartwegii H. M. Hall 1901-06 2104 Riverside Eastern base of the San Jacinto Mountains, along the border of the Colorado Desert. Comment
  RSA0123376  Funastrum cynanchoides var. hartwegii Duncan S. Bell, Thomas Stoughton 2016-4-14 9296 Riverside Santa Rosa Mountains; near the head of Deep Creek and near the trailhead of the Cactus Spring Trail, at an old mining area above this trail. 1219 Comment
  RSA583206  Funastrum cynanchoides var. hartwegii R. E. Riefner 1995-9-6 95 -350 Riverside El Cerrito, near Temescal Canyon Road, Climbing onn willows near Temescal Wash. 366 Comment
  SD227724  Funastrum heterophyllum A. C. Sanders, K. C. Rose 1999-5-28 22790 Riverside Coachella Valley: betweeen La Quinta and Indio, along Jefferson St. between Ave 54 and I-10. Disturbed roadside at intersection with Ave. 49 11 Comment
  SD255073  Funastrum heterophyllum R. F. Thorne, W. Wisura 1977-9-17 50765 Riverside San Jacinto Mountain: Chino Canyon along road to tramway. Comment
  JOTR35332  Funastrum hirtellum Harding, Mitzi, Mark Wheeler 2012-2-28 98 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; southeastern most canyon in the range (Stop 2) 265 Comment
  RSA0106697  Funastrum hirtellum Duncan S. Bell, Thomas Stoughton 2010-3-19 566 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2.25 air miles west of Priest Well. 439 Comment
  SD181719  Funastrum hirtellum Scott D. White 1999-4-20 7278 Riverside Southern foothills of the Big Maria Mountains, northwest of California Highway 95. 89 Comment
  UCR232069  Gaillardia pulchella John F. Green 2008-4-24 13- 03 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris along Hwy 74, between Lazy Lizard Dr. and Wasson Canyon Rd. 504 Comment
  UCR93845  Galenia pubescens Jan Beyers 1996-8-9 s.n. Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside: U.S. Forest Fire Lab, Canyon Crest Drive. 340 Comment
  UCR133113  Galium angustifolium 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
  SD186323  Galium angustifolium subsp. angustifolium Andy C. Sanders 2004-4-20 27526 Riverside Santa Rosa Plateau; 0.5 km west of Tenaja Road and north of the San Diego County line 640 Comment
  UCR41306  Galium angustifolium subsp. gracillimum N. M. Fellows, A. C. Sanders 1985-4-9 160 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
  RSA0018468  Galium angustifolium subsp. jacinticum Peter Guiden, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 86 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA609659  Galium angustifolium subsp. jacinticum R. S. Woglum 1937-5-22 509 c Riverside Santa Rosa Mountains, near Santa Rosa Indian Reservation. Comment
  UC666413  Galium aparine Annie M. Alexander and Louise Kellogg 1941-5-3 2108 Riverside 13 mi ssw 29 Palms (near the well); Joshua Tree National Monument 1371 Comment
  JOTR16840  Galium multiflorum Hogan, J. 1976-7-11 66 Riverside Joshua Tree National Park. 0.2 MILES WEST OF EUREKA PEAK 1645 Comment
  JOTR35455  Galium multiflorum Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 59 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop3) Comment
  UCR272502  Galium murale Mitch Provance 2012-4-20 612- 59 Riverside San Gorgonio Pass, Banning, borderline with Beaumont, Walgreens parking lot on Highland Springs Ave. and W. Ramsey St. 790 Comment
  UC64377  Galium porrigens H. M. Hall 1897-6-16 645 Riverside w side San Jacinto Mountains (Junction <from notebooks, according to L. T. Dempster>) Comment
  CAS-BOT-BC217616  Galium stellatum subsp. stellatum C. L. Hitchcock 1940-3-30 5870 Riverside Cottonwood Spring Comment
  LA208440  Galium stellatum var. eremicum L. Haines; L. Erickson 1937-4-10 Riverside Palms to Pines Highway 2 mi above valley Comment
  LA208453  Galium stellatum var. eremicum Ira L. Wiggins; Ruth P. Rossbach 1938-5-15 9544 Riverside Cottonwood Springs canyon Comment
  SEINET7247852  Galium stellatum var. eremicum Duncan S. Bell, Marcel Beffort 2014-1 6600 Riverside Colorado Desert; Chocolate-Chuckwalla Mountain region: Chuckwalla Mountains; western end of Corn Springs wash/canyon; approximately 0.75 air mile southwest of Aztec Well. 671 Comment
  RSA570550  Garrya flavescens Steve Boyd, Chris Frazier 1993-4-24 8009 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck rd. 792 Comment
  UC774630  Garrya flavescens Carl B. Wolf 1939-1-20 Riverside e side Santa Ana Mts. (along Eagle Motor Way, 1 mi below summit) 914 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
  RSA125363  Garrya veatchii R. Weatherby 1950-3-5 1053 Riverside Road between Anza and Hemet Comment
  RSA667135  Gaura sinuata A. C. Sanders, T. B. Salvato 2001-5-24 24364 Riverside Temecula, Long Canyon west of Del Rey Rd., along bottom of Canyon W of junction of Av. Pina Colada 345 Comment
  UC1922840  Gayophytum decipiens Naomi Fraga, Ilene Anderson, Mike Hamilton, Michael Wall, Gary Wallace 2006-9-7 1739 Riverside Peninsular Ranges; San Jacinto Mountains region: Mount San Jacinto State Park, Hidden Lake. Comment
  SEINET10969634  Gayophytum nuttallii David B. Dunn 1946-8-18 Dunn 2750 Riverside Wellman. Sieniga springs on trail. Peek. San jacinto mts. Comment
  RSA593765  Gazania linearis Steve Boyd 1996-4-14 8546 Riverside Santa Ana Mountains, along Main Divide Road, just east of Sierra Peak at divide between Fresno and Fremont canyons. 884 Comment
  UC1929929  Geranium carolinianum Scott D. White, Michael Honer 2003-5-27 9415 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. Lake Elsiniore & adj. Alberhill 7.5' Quad. Comment
  UCR25798  Geranium carolinianum John C. Roos 1952-5-7 5620 Riverside Box Springs Mountains above Canyon Crest Heights 503 Comment
  SEINET7063563  Gilia achilleifolia subsp. multicaulis A. G. Vestal 1947-4-8 s.n. Riverside About 6.8 miles south on Route 3. UTM Zone 11, 509589mE, 3707060mN. (WGS84/NAD83). 610 Comment
  RSA613468  Gilia angelensis D. L. Banks, Victor W. Steinmann 1997-3-13 1453 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  UCR103176  Gilia angelensis Scott D. White, Julie Greene 1997-3-12 4771 Riverside Pedley area, S foot of Jurupa Hills: Just north of State Route (Fwy) 60 at Pedley exit. 305 Comment
  UCR111601  Gilia angelensis Mitch Provance, J. Ross 1999-4-1 1734 Riverside Jurupa Mountains, Pediment of the extreme W end of the range, on the E side of Country Village Road. 250 Comment
  UCR120579  Gilia angelensis Steven R. Hill, K. Kramer 2001-4-27 33475 Riverside Sonoran (Colorado) Desert Edge; San Gorgonio Pass, Cabazon, Morongo Indian Reservation, at Hadley's Orchard Store, junction of Apache Trail and Seminole Drive, north of Hwy I-10, Apache Trail Exit, 4 mi east of Banning 560 Comment
  UCR263018  Gilia angelensis Daphne K. Christopher, Hannah I. Stevens 2003-4-6 106 Riverside UC Riverside Motte Rimrock Reserve, off Sage Road 540 Comment
  UCR81097  Gilia capitata Scott D. White 1993-5-29 1480 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1220 Comment
  HSC79757  Gilia capitata subsp. abrotanifolia D. H. Wilken 1965-6-29 317 Riverside 1 mi. N of Poppet Flat along County Rte. 1, San Jacinto Mtns. 1220 Comment
  JEPS4110  Gilia diegensis Carl V. Meyer 1927-6-18 774 Riverside upper part Hemet Valley , upper part Hemet Valley (San Jacinto Mts.) 1219 Comment
  JEPS24414  Gilia latifolia Peter M. Ray 1949-3-12 1385 a Riverside e Mecca (Painted Canyon); Orocopia Mountains, , e of Mecca Comment
  RSA717335  Gilia minor Scott D. White, Jennifer H. Jones 2005-5-24 10913 -B Riverside Banning Pass area: Cabazon. San Gorgonio River wash and adjacent alluvial flats and benches to west. 573 Comment
  RSA771756  Gilia modocensis Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4633 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR115338  Gilia ochroleuca subsp. exilis A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16248 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
  UCR35051  Gilia ochroleuca subsp. exilis L. B. Ziegler 1967-6-19 168 Riverside San Jacinto Mtns., Bautista Creek Canyon 762 Comment
  RSA480027  Gilia stellata Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2158 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  RSA797510  Gilia stellata C. P. Cowan 1978-4-23 1176 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. 570 Comment
  UCR139095  Gilia stellata B. G. Pitzer 1989-4-16 1310 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, 4 km west of Tabaseca Tank, in impact area 620 Comment
  RSA718873  Gilia stellata Michael Honer, L. Hulse 2005-3-7 2032 Riverside Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs. 488 Comment
  SD7669  Gilia tricolor Daniel Cleveland 1882-4-24 Riverside Copeland's, San Jacinto. Comment
  SD146072  Glinus lotoides A. C. Sanders, Mitch Provance 1999-9-26 23111 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 miles southeast of Jackrabbit Trail on Gilman Springs Road, 1.4 miles south of Eden Hot Spr 433 Comment
  UCR266903  Glinus lotoides D. E. Bramlet 2005-7-13 3901 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, Mystic Lake, SW side near duck club, 200 ft. east of South Contour Rd., 4700 ft. north of San Jacinto River 434 Comment
  UC39037  Glyceria elata H. M. Hall Jul 1901 2457 Riverside Tauquitz Valley; San Jacinto Mountains 2133 Comment
  RSA519248  Gnaphalium californicum Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. All of sec. 33, W/2 sec. 34, NW/4 sec. 3 [T6S] and a small portion of eastern sec 35. 488 Comment
  UCR94954  Gnaphalium canescens subsp. beneolens Scott D. White 1996-8-15 4471 Riverside San Jacinto Mtns., Idyllwild Area: Alvin Meadows and unnamed canyon upstream. Upper margin of area that burned in July, 1996 1585 Comment
  UCR112495  Gnaphalium palustre A. C. Sanders 1998-5-21 21868 Riverside Hemet, alkaline flats west of town, along Stetson Ave. west of Warren Rd. 457 Comment
  CAS-BOT-BC140526  Gnaphalium stramineum Oleg Pryadko 2008-5-2 080 Riverside San Bernardino Valley Region: western Riverside near Pedley, Hidden Valley Wildlife Area, c. 1200 ft. south of Clay St. and General Road, 1000 ft. east of Van Buren Blvd., north bank of Santa Ana River 208 Comment
  UCR117334  Gnaphalium stramineum Mitch Provance 1998-6-11 665 Riverside Jurupa Mountains, Pediment of the NW Jurupa Mtns., area SE of the eastern extreme of Philadelphia St. 267 Comment
  UCR98700  Gnaphalium stramineum 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
  UCR58500  Grindelia camporum Ed LaRue 1989-7-26 s.n. Riverside Santa Ana Mtns.; Santa Rosa Plateau, c. 0.5 mi south of Redonda Mesa, surrounded by El Cerezo Rd; Corona Cala Camino is the E boundary 762 Comment
  UC494550  Guillenia lasiophylla Philip A. Munz 1932-3-13 11980 Riverside Deep Canyon Coachella Valley 91 Comment
  UCD132630  Gutierrezia californica Lewis S. Rose 1966-12-14 66110 Riverside Chino Canyon, 3 miles west of Palm Springs. 670 Comment
  UCR92219  Gutierrezia californica D. L. Banks, Steve Boyd 1995-10-26 0828 Riverside NW Palomar Mtns., Agua Tibia Mts., Cleveland Nat'l Forest, west of the Woodchuck trail. 0.8 mi from Wilderness Boundary 744 Comment
  SD229096  Gutierrezia sarothrae Dick Schwenkmeyer, Bethany Jenkins 2012-3-7 647 Riverside Mt. San Jacinto: Pinyon Flats, approx. 1I(c) miles north of Highway 74 intersection with Palm Canyon Road, broad flat area 1303 Comment
  SEINET2046411 Image available Gutierrezia sarothrae Howard Scott Gentry 1948-7-20 8178 Riverside Gentry Farm, ca. 3 mi NE of Murrieta. Comment
  RSA0066623  Harpagonella palmeri Steve Boyd 1986-5-1 1816 Riverside Bachelor Mtn.: Lower south slopes of Bachelor Mtn., east end of Lake Skinner. Comment
  RSA192326  Hazardia squarrosa var. grindelioides E. W. Lathrop 1966-9-14 6893 Riverside 3 miles SW of Murrieta. Comment
  RSA0036781  Helianthus annuus Andrew Haimov, April Sleigh 1992-5-19 86 Riverside 1.5 miles east of Davis Road, south of pond#2, San Jacinto Wildlife Area. Comment
  SEINET5711055  Helianthus californicus Lowell E. Urbatsch, Jim Grace; Sue Grace 1995-1 7094 Riverside Road to Idyllwild from Banning, ca. 5.5 miles from the south edge of Banning along CA 243; San Bernardino National Forest.; Banning 1219 Comment
  GMDRC6543  Helianthus gracilentus J. M. Andre 2012-6-15 30494 Riverside San Jacinto Mountains: along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest 1172 Comment
  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
  UCR248086  Heliotropium curassavicum Duncan S. Bell 2012-9-13 4192 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
  UCR256783  Heliotropium curassavicum T. B. Salvato, Matthew Malle 2013-5-20 7575 Riverside Perris-Aguanga Basin, Menifee, east of Railroad Canyon and west of Hyw I-215. Murrieta Road between Newport Road and La Piedra Road 454 Comment
  UCR120545  Hemizonia kelloggii D. E. Bramlet 2000-8-30 3076 Riverside Perris-Aguanga Basin region, Shipley Reserve, ephemeral drainage 213 m south of Auld Valley Creek and 915 m east of Bachelor Mtn. access road 451 Comment
  UCR98687  Hemizonia kelloggii 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
  UCR140291  Hemizonia paniculata A. C. Sanders, Guy Bruyea 2004-4-2 27427 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  UCR151128  Hemizonia paniculata Scott D. White 1998-10-9 7170 Riverside Peninsular Ranges/Santa Ana Mtns, Corona, near Bedford Canyon: ''Joseph Canyon'' wash near a disused quarry. Site adjacent to housing tracts now under construction, and proposed for same 366 Comment
  UCR200999  Hemizonia paniculata Justin M. Wood, Scott D. White, Brandy Ulrich 2008-7-15 022 Riverside Aguanga Basin / San Jacinto Mountain foothills, W of Anza Valley, adjacent to Cave Rock Rd. Approx. 1/4 mile E of Cahuilla Indian Reservation 1215 Comment
  RSA357123  Hemizonia pungens subsp. laevis R. F. Thorne, P. A. Munz, Earl Lathrop 1968-5-8 37606 Riverside Lake Elsinore: behind levee at SE end of Lake Elsinore, ca. 1 mile S of Elsinore. Comment
  UCR202215  Hemizonia pungens subsp. laevis Denise Woodard, G. Nuhn 1995-8-21 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, 300 acre parcel at west end of Domenigoni Valley, c. 3 miles south of Winchester on the west side of Winchester Rd. 470 Comment
  RSA3979  Hesperocallis undulata Carl B. Wolf 1932-4-29 s.n. Riverside Eastern Colorado Desert, 3 miles S of Rice on the Blythe road. 213 Comment
  RSA676085  Hesperocnide tenella Scott D. White 2001-4-13 8327 Riverside Badlands; County landfill area north of Moreno Valley. About 1/4 air mi NW of the SR-60 Freeway jtn with Gilman Springs Rd. 595 Comment
  RSA587424  Hesperolinon micranthum D. L. Banks, Steve D. Boyd 1995-6-2 568 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail N of the Riverside County boundary, in the clay grasslands in S32, W of the Dripping Springs Alcove Area. 890 Comment
  RSA741075  Heterocodon rariflorum Scott D. White, Justin M. Wood 2008-6-17 12154 Riverside San Jacinto Mountains: South of Hwy 79 near Keen Camp Summit. 1402 Comment
  POM153366  Heterotheca sessiliflora subsp. echioides P. A. Munz, I. M. Johnston 1928-9-12 11249 Riverside Temescal Canyon. Comment
  CAS-BOT-BC206631  Heuchera hirsutissima H. M. Hall 1897-7-1 702 Riverside San Jacinto Mountains Comment
  RSA0063013  Heuchera hirsutissima M. B. Dunkle 1933-7-23 3757 Riverside San Jacinto Peak. 3301 Comment
  CLARK-A1528-3226  Hibiscus denudatus John C. Roos 1939-4-6 4145 Riverside Orocopia Mountains Comment
  GMDRC9802  Hibiscus denudatus J. M. Andre 2017-3-1 38016 Riverside Eagle Mountains: south end of range, 2.8 mi. north of Interstate 10 at Hayfield Rd exit 506 Comment
  RSA432776  Hibiscus denudatus N. C. Cooper 1944-4-8 1072 Riverside Andreas Canyon. 305 Comment
  RSA432782  Hibiscus denudatus Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  POM12913  Hieracium horridum P. A. Munz 1922-6-28 5887 Riverside Toro Peak; Santa Rosa Mts. 2439 Comment
  SD187381  Hirschfeldia incana Scott D. White, Angelia Carey 2004-4-16 10170 Riverside Indian Creek and adjacent slopes. 548 Comment
  RSA621501  Hoita macrostachya D. L. Banks 1997-11-15 2200 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, on the north side of the Dorland Mountain Arts Colony. Along the margins of a small man-made pond. 549 Comment
  UCD85628  Hordeum depressum A. C. Sanders; Carolyn Washburn 2001-5-10 24248 Riverside Perris-Aguanga Basin. San Jacinto River Valley. S side of intersection of Sanderson Ave. and Ramona Blvd., ca. 4 miles NW of San Jacinto. 445 Comment
  UCR2475  Hordeum depressum F. M. Reed 1935-4-6 9310 Riverside San Jacinto River canyon, 5 miles south of Perris Comment
  UCR252610  Hordeum marinum T. B. Salvato, Matthew Malle 2013-4-2 7495 Riverside Perris-Aguanga Basin, Wildomar, c. 2 mi east of Lake Elsinore, west side of Mission Trail, north of Victorian Lane 387 Comment
  RSA515341  Hordeum marinum subsp. gussoneanum Jeri Hirshberg 1989-5-3 s.n. Riverside Santa Rosa Plateau; S of town of Murrieta, on W side of Mesa de Burro., (Near 33 deg 31'N, 117 deg 14'W). 549 Comment
  UCR146255  Hordeum murinum subsp. murinum Steve Boyd 2001-4-12 10418 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Gavilan Hills Region: South base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street, in the vicinity of the site of Terra Cotta Comment
  CAS-BOT-BC148570  Horkelia clevelandii Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild Comment
  RSA482010  Horkelia clevelandii Richard Noyes, L. Arnseth 1988-9-10 721 Riverside Fern Basin Camp, 4 air miles northwest of Idyllwild. 1875 Comment
  RSA85232  Horkelia clevelandii F. W. Peirson 1924-7-29 5255 Riverside Banning to Idyllwild road, San Jacinto Mountains. 1570 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
  RSA0123111  Horsfordia newberryi Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9018 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
  SD187328  Hydrocotyle umbellata Scott D. White, Angelia Carey 2004-5-7 10329 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 548 Comment
  POM294268  Hymenoclea salsola Lyman Benson 1945-4-6 11660 Riverside Whitewater Canyon, 3 miles above Whitewater; San Bernardino Mts.; Drainage area: Colorado Desert. 427 Comment
  RSA643330  Hymenoclea salsola R. D. Goeden, D. W. Ricker 1974-3-1 s.n. Riverside Colorado Desert: Desert Center 305 Comment
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Apr 5 2011
  RSA696756  Hymenoclea salsola W. Marquart 1938-3-12 s.n. Riverside 20 mi. W. of Blythe. Found along deep road embankment. Comment
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Dec 18 2011
  UCR137643  Hymenoclea salsola G. A. Reese, S. Kaime 1998-4-6 4708 Riverside Sonoran (Colorado) Desert, Berdoo Canyon Jeep Trail, near Joshua Tree National Park boundary, 10 mi NE of Indio 725 Comment
  UCR60242  Hymenoclea salsola R. F. Thorne 1973-3-30 42693 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
  SEINET5712136  Hymenoclea salsola var. salsola D. F. Howe 1980-1 s.n. Riverside 4 miles west of Mesa Verde, south slope of McCoy Mountains, Hwy 10.; Mesa Verde Comment
  UC65036  Hypericum anagalloides H. M. Hall 1897-6-16 659 Riverside San Jacinto Mt. Comment
  POM48402  Hypericum formosum var. scouleri P. A. Munz, I. M. Johnston 1924-7-28 8806 Riverside Pine Flats 1738 Comment
  RSA507508  Hypochaeris glabra Steve Myers 1988-6-4 s.n. Riverside Rancho California area, E of Winchester Road, between Auld Rd. & Borel Rd 396 Comment
  UCR97886  Hypochaeris glabra A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19852 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  CAS-BOT-BC219740  Hyptis emoryi John Thomas Howell 1928-1-29 3295 Riverside Sandy floor of Painted Canon [Canyon], Colorado Desert Comment
  CAS-BOT-BC219770  Hyptis emoryi L. R. Abrams 1926-3-26 11065 Riverside Palm Springs to Palm Canyon Comment
  HSC66539  Hyptis emoryi Christopher Davidson 1979-4-4 7686 Riverside Orocopia Mtns., lower end of Box Canyon on Box Canyon Rd., 4.4 mi. E of Mecca 213 Comment
  JEPS63228  Hyptis emoryi W. L. Jepson 1901-5-22 1370 Riverside Palm Canyon San Jacinto (<Palm Canyon of San Jacinto>, and return to Van Deventer's Ranch); Palm Canyon of San Jacinto Comment
  RSA306724  Hyptis emoryi Henry J. Ramsey, Henry J. Ramsey 1938-4-26 1718 Riverside Near Desert Center-Indio. Comment
  SEINET13948496 Image available Hyptis emoryi Leila M. Shultz, John S. Shultz 1985-1 8352 Riverside SE benches of Chuckawalla Mountains at Alligator Rock; T5S R15E SEC33; 33 deg. 41' N, 115 deg. 25' W; elev 1120 ft 341 Comment
  UC1714339  Hyptis emoryi T. A. Geissman Riverside Box Canyon 3 mi e Mecca; Box Canyon e of Mecca Comment
  UC883110  Hyptis emoryi I. W. Clokey 1935-4-17 6866 Riverside Shafer Wells; Colorado Desert; [Shaver's Wells] Comment
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Apr 24 2011
  SEINET12277046  Hyptis emoryi E. A. Purer 1935-1 6464 Riverside E slope of Mt. San Jacinto, near Palm Springs, Colorado desert Comment
  CDA5539  Ipomoea triloba K. E. Hoffmaster 1960-11-7 Riverside Near Indio. 0 Comment
  RSA91284  Isocoma acradenia var. eremophila F. W. Peirson 1920-12-28 2335 Riverside Murray Canyon near Palm Springs Comment
  UCR84501  Isomeris arborea var. globosa Steve Boyd 1994-10-14 8402 Riverside S Santa Ana Mtns, Santa Rosa Plateau, E of the Tenaja Guard Station of the Cleveland Nat'l Forest, at the intersection of Tenaja Road and Wildomar Truck Trail (7S01) 671 Comment
  SBBG101689  Iva axillaris S. Boyd with T. Ross 1991-6-14 6368 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
  UCR136159  Iva axillaris A. C. Sanders 2004-6-20 28213 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
  SEINET2043264 Image available Juglans Howard Scott Gentry Fall 1937 s.n. Riverside Gentry Farm: 3.5 miles NE of Murrieta, along Los Alamos Rd at N end of farm. Comment
  CAS-BOT-BC101886  Juglans californica Winfield 1975-4-17 2428 Riverside West end of Fairmont Park - Riverside Comment
  SD227840  Juglans californica A. C. Sanders, K. C. Rose 1999-6-18 22803 Riverside Skinner/Domenigoni area; French Valley, E side of Washington Ave., 1/2 mile S of Rawson Rd (Winchester 7.5'Q). Valley botton, probably subirrigated. 438 Comment
  CAS-BOT-BC158117  Juglans regia A. C. Sanders; R. E. Riefner, Jr. 2009-8-11 37146 Riverside Peninsula Range: Riverside, UCR campus by West Campus Drive near The Barn 320 Comment
  CAS-BOT-BC110073  Juncus acutus Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  SEINET1004544  Juncus balticus Mitch Provance 2005-1 9806 Riverside Warm Springs Valley; Nichols road wetland area at Alberhill Creek, S of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore. 396 Comment
  RSA567472  Juncus balticus subsp. ater Scott D. White 1993-5-29 1484 Riverside San Bernardino Mountains: Banning Canyon and Big Oaks Canyon along the road to Raywood Flat, Yucaipa Ridge. 1220 Comment
  UCR154375  Juncus bufonius A. C. Sanders, Mike Misenhelter 2005-6-15 30954 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
  UCR281096  Juncus bufonius Mitch Provance, Jeremiah George 2017-3-21 317- 05 Riverside Elsinore Trough, City of Lake Elsinore, E corner of Collier Ave. and 3rd St. 387 Comment
  UCR48484  Juncus bufonius Steve Boyd 1986-4-19 1718 Riverside Peninsular Range, Temescal Canyon, Warm Springs Valley, Alberhill Creek east of Nichols Road 366 Comment
  UCR157357  Juncus bufonius var. congestus Chris E. True, Robert Cox 2005-6-22 s.n. Riverside San Jacinto Mtns., north slope of the mountains near Azalea Creek, about 0.5 mile SW of the Twin Pines Ranch buildings 1067 Comment
  POM14371  Juncus bufonius var. occidentalis Phillip A. Munz 1922-5-5 5161 Riverside 0.5 mile north of March Field [March Air Force Base]. Comment
  UC146450  Juncus duranii Charlotte M. Wilder 1909-7-12 924 Riverside head of Round Valley San Jacinto Mts. Comment
  UC489047  Juncus effusus subsp. austrocalifornicus C. V. Meyer 1928-7-30 582 Riverside Saunders Meadow San Jacinto Mts. 1676 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
  IRVC17937  Juncus kelloggii Gordon A. Marsh, Karlin G. Marsh 1980-5-18 s.n. Riverside Santa Ana Mountains, Santa Rosa Plateau, pool #2. Comment
  SEINET3879985  Juncus luciensis Robert F. Thorne, Earl Lathrop 1975-5-20 45498 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro.; 0 610 Comment
  RSA741433  Juncus macrophyllus Scott D. White, Justin M. Wood 2008-6-18 12248 Riverside Meadow N/W of Keen Camp Summit, S/W of hwy 79. 1402 Comment
  UC2572  Juncus macrophyllus H. M. Hall 1901-7-20 2522 Riverside vicinity of Strawberry Valley San Jacinto Mountains (along water courses) 1615 Comment
  UCR21886  Juncus mexicanus Steve Boyd 1980-7-16 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, west edge of the reserve c. 1/4 mile north of the Motte's house 520 Comment
  SD51956  Juncus oxymeris Reid Moran 1962-7-7 9857 Riverside Occasional in shade, in granitric soil by Strawberry Creek, 2 miles southwest of Idyllwild, San Jacinto Mountains. 1550 Comment
  POM12142  Juncus rugulosus Mary F. Spencer 1259 Riverside Soboba Hot Springs, San Jacinto. 579 Comment
  RSA0103092  Juncus rugulosus Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8548 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  UCR201869  Juncus xiphioides Justin M. Wood 2008-9-30 179 Riverside SW Perris Basin, Temecula/Murrieta Creek, downstream of 1st Street bridge 305 Comment
  UCR80516  Juncus xiphioides A. C. Sanders, O. F. Clarke 1991-6-10 11136 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  UC1280801  Juniperus californica H. E. McMinn 1937-3-5 4489 Riverside approaching Cottonwood Mountains from Pinto Basin Comment
  LA202791  Justicia californica A. M. Johnson; 1933-4-28 4235 Riverside Pines to Palm highway below Palm Springs Comment
  POM182075  Justicia californica P. A. Munz 1932-3-14 11971 Riverside Palm Springs. 91 Comment
  RSA398812  Justicia californica I. M. Johnston 1917-4-4 s.n. Riverside Near Palm Springs. Comment
  SDSU2159  Justicia californica Gerald Collier 1951-3-25 M 487 Riverside State Hwy #111, 25 yards from roadside. About 1 mile south of Cathedral City. Comment
  RSA782271  Kallstroemia californica R. W. Spjut 2007-10-12 16152 Riverside Sonoran Desert. BLM: Corn Spring Road, frontage road to I-10, 23 miles W of Blythe 150 Comment
  SEINET3829069  Kallstroemia californica Amber Swanson, Linda Jean Foster 2011-1 632 Riverside Colorado Desert; Western Colorado Desert region. Sandy flats N off of Blythe Rice Rd. 237 Comment
  UCR19246  Kallstroemia californica John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, 17 miles west of Blythe 122 Comment
  UCR242293  Kallstroemia californica A. C. Sanders, T. B. Salvato 2012-10-12 40416 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd., 0.35 mi. west of I-10 junction 114 Comment
  CAS-BOT-BC235499  Keckiella antirrhinoides C. W. Tilforth 1969-7-24 215 Riverside Along Red Mountain Road, east of County Hiway R-3, south of Hemet Comment
  RSA314461  Keckiella antirrhinoides Robert F. Thorne, F. R. Fosberg, Sachet, Herbst 1983-4-23 55474 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  RSA339618  Keckiella antirrhinoides Robert F. Thorne, W. A. Tilforth 1980-5-28 54209 Riverside Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  UCR125197  Keckiella antirrhinoides Mitch Provance 1998-5-29 559 Riverside Riverside, NW side of North Hill, along the S edge of Lake Evans 274 Comment
  UCR167829  Keckiella antirrhinoides T. B. Salvato, Melissa Clemons 2005-6-2 1333 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
  UCR250312  Keckiella antirrhinoides A. C. Sanders 2014-4-8 40977 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 280 m NE of the I-15 crossing, near mouth of Mayhew Canyon 317 Comment
  UCSB10530  Keckiella antirrhinoides Wilson, Richard 1958-5-17 Riverside 6 miles SE of Banning; on State Hwy 74 San Jacinto Mtns 762 Comment
  CAS-BOT-BC235497  Keckiella antirrhinoides I. W. Clokey; E. G. Anderson 1936-4-16 6885 Riverside Along San Jacinto River, East of Hemet 600 Comment
  LA209286  Keckiella antirrhinoides var. antirrhinoides J. Sauer; R. Minnich 1977-4-7 5960 Riverside N Fork of San Jacinto Canyon near Hemet 609 Comment
  UC54995  Keckiella cordifolia H. M. Hall 1897-5-27 573 Riverside Cold Water Canyon; Santa Ana Mts. Comment
  UCR178333  Keckiella ternata Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 641 Riverside San Bernardino Mtns., Morongo Indian Reservation, ridge east of upper Hathaway Canyon, west of Burro Flats 1037 Comment
  UCR201642  Koeleria macrantha Scott D. White, Justin M. Wood 2008-6-16 12147 Riverside San Jacinto Mountains, meadow at Quinn Flat 1378 Comment
  SD21520  Krameria bicolor Frank F. Gander 1938-5-21 5762 Riverside Shaver's Summit Comment
  RSA0022342  Krameria erecta Robert F. Thorne 1966-10-15 41816 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  RSA408610  Krameria grayi Ora M. Clark 1929-3-17 1751 Riverside S. La Quinta, Cali. Comment
  RSA0001812  Krynitzkia decipiens Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA0125181  Lactuca serriola Duncan S. Bell 2016-10-27 10205 Riverside Whitewater Canyon area; collecting in Rainbow Canyon, 2.75 air miles northwest of the Whitewater Ranger Station (trout ponds). 1024 Comment
  RSA775443  Lactuca serriola Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4445 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
  CLARK-A1528-69  Lamarckia aurea C. M. Flanagan 1973-4-14 OO 108 Riverside Sunnymead 579 Comment
  UCR92449  Lamarckia aurea A. C. Sanders, J. Goetzen 1996-5-1 18127 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  RSA621500  Lamium amplexicaule D. L. Banks 1997-11-15 2201 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, on the north side of the Dorland Mountain Arts Colony. Along the margins of a small man-made pond. 549 Comment
  UCR248523  Langloisia schottii C. P. Cowan 1978-4-23 1215 Riverside Peninsular Range; Santa Rosa Mtns., 12.1 miles (19.2 km) south of Hwy 74 from junction with Hwy 111 at Indian Wells. Whittaker transect #W-220 950 Comment
  RSA796029  Langloisia setosissima subsp. setosissima Duncan S. Bell 2009-4-18 235 Riverside Arica Mountains; northeast of range, approximately 2.25 air miles southwest of the ghost town of Rice. 224 Comment
  CDA37813  Laportea aestuans Mike Lahti 2012-6-14 PDR# 1590446 Riverside Romoland; Hilsabecks Greenhouse, 28415 Moreland Rd., near Palomar Rd. 0 Comment
  HSC47363  Larrea tridentata R. W. Spjut, C. E. Edson 1978-5-6 5027 Riverside Colorado Desert, N face of Chuckawalla Mtns., 2.7 mi. S of Desert Center. 335 Comment
  RSA33309  Larrea tridentata N. C. Cooper 1943-10-3 942 Riverside Whitewater Canyon. Riverbank 762 Comment
  UCR177849  Larrea tridentata Marisa Sripracha, K. A. Boyd 2004-2-14 035 Riverside Sonoran (Colorado) Desert, Myoma, on the Thousand Palms Preserve, near the palm oasis just off Thousand Palms Drive 190 Comment
  SEINET10406508 Image available Larrea tridentata G. B. Grant 1906-5-1 229 -6724 Riverside Colorado desert at Palm Springs, southern California Comment
  RSA593701  Lastarriaea coriacea Steve Boyd, Dave Bramlet 1996-4-19 8625 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
  CAS-BOT-BC338930  Lasthenia californica Robert F. Thorne; E. Lathrop; O. Clark; S. Carlquist 1968-4-18 37443 Riverside Santa Rosa Plateau: Mesa de Colorado 670 Comment
  SEINET3244092  Lasthenia californica Scott D. White, Michael Honer 2003-1 8967 Riverside Hemet Area: Northeast corner of Devonshire Ave, and Warren Road, immediately southwest of ''Tres Cerritos.'' Former chicken farm. 472 Comment
  CAS-BOT-BC353286  Lasthenia coronaria H. M. Hall 1903-4-1 3982 Riverside Vicinity of Riverside 365 Comment
  CLARK-A1528-7804  Lasthenia coronaria John C. Roos 1938-4-4 1630 Riverside La Sierra Comment
  UCR103910  Lasthenia coronaria B. G. Pitzer 1997-4-11 3120 Riverside Lakeview Mtns, Pulsar View Road (dirt), at sharp turn in road c. 1 mi. (air) NE of Juniper Flat Road, and c. 3/4 -1 mi. by road from the base of the hills. C. 3/4 mi. (airline) SE of Mt. Rudolph (measured from BM 'Nelson') 610 Comment
  POM157896  Lasthenia glabrata subsp. coulteri P. A. Munz 1927-5-21 10894 Riverside Coahuila Valley. 1372 Comment
  RSA556488  Lasthenia glabrata subsp. coulteri Julie Greene 1993-3-13 1058 Riverside On the berm between the western ponds 440 Comment
  SEINET6413739  Lasthenia glabrata subsp. coulteri R. Spellenberg 2014-5-7 14776 Riverside S of Moreno valley, 1.6 km N of Ramona Expressway on Davis Road, toward San Jacinto Wildlife Area. 435 Comment
  POM55167  Lasthenia gracilis C. F. Baker 1904-4-4 4087 Riverside Elsinore. Comment
  RSA585978  Lasthenia gracilis Adree M. Desrochers 1990-4-19 471 Riverside Neaar Murrieta, along Clinton Keith Raod, 6.9 km W of Hwy 15. Comment
  UCR116908  Lasthenia gracilis A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23965 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  UCR122770  Lasthenia gracilis George K. Helmkamp, E. A. Helmkamp 1998-4-24 3374 Riverside San Jacinto Mountains, 0.1 mi east of the junction of Calif. Hwy 74 and Calif. Hwy 371, SE side of the mountains 1494 Comment
  UCR140447  Lasthenia gracilis A. C. Sanders, Guy Bruyea 2004-4-2 27425 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  UCR202227  Lasthenia gracilis 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
  CLARK-A1045-90  Lathyrus laetiflorus George K. Helmkamp 1978-4-27 Riverside San Jacinto Mountains 3 miles up [east northeast] from Oak Spring; Lake Fulmor 7.5'Q Comment
  RSA612488  Lathyrus vestitus subsp. alefeldii D. L. Banks 1997-2-23 1329 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  RSA552747  Lathyrus vestitus subsp. laetiflorus Steve Boyd, T. S. Ross, Orlando Mistretta 1992-2-25 6679 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Tril from junction 7S04 & 7S01 upstream to southern end of Potrero de la Cienega, but primarily about Tenaja Falls. 396 Comment
  SDSU13342  Lathyrus vestitus var. alefeldii C. Matt Guilliams 2000-4-29 Riverside Santa Margarita Ecological Reserve, Insect Trail. 1.5 miles NE of Gavalin Mtn. 372 Comment
  UC489135  Lathyrus vestitus var. vestitus C. V. Meyer Jun 1927 168 Riverside San Jacinto Mts. 1676 Comment
  JOTR31073  Layia glandulosa La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2336 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west of Ryan Mountain; Gravelly flats near Ryan Mountain campground (Stop 1) Comment
  RSA658685  Layia platyglossa Sandy Gray 1981-04 5 Riverside 6 miles E of Corona, 1/2 mile west of Pacific Clay Co. Hwy 142. Highway overpass-stops. Comment
  SEINET7063241  Layia platyglossa A. G. Vestal 1963-5-19 s.n. Riverside About 5.5 miles southwest of Cahuilla on Route 371 [Cahuilla Road]. UTM Zone 11, 515481mE, 3705072mN. (WGS84/NAD83). 887 Comment
  UC144246  Layia platyglossa C. F. Baker 1904-4-4 4120 Riverside Elsinore Comment
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Jul 4 2010
  UCR133975  Layia platyglossa Mitch Provance, J. S. Ross 1998-3-27 MOR- 966 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 915 Comment
  UCR232782  Layia platyglossa John F. Green 2008-4-16 0408- 29 Riverside Peninsular Range; Perris-Aguanga Valley, SE of Romoland, powerline route north of McLaughlin Rd. near Palomar Rd. 445 Comment
  UCR87641  Layia platyglossa A. C. Sanders 1994-5-29 14557 Riverside San Bernardino Mtns, Morongo Indian Reservation, low pass between Millard Canyon and Potrero Creek 793 Comment
  RSA674814  Lemna Scott D. White 2001-6-29 8626 -A Riverside Meniffe Valley: About 1.4 air mi SW of the I-215/ Newport Rd. Interchange, northwest of the intersection of HollandRd. and Bradley Rd. 439 Comment
  RSA779782  Lepidium fremontii var. fremontii Duncan S. Bell 2010-4-2 691 Riverside Arica Mountains: collecting along the ridgeline of the mountain range about 0.3 air mile north of the summit. 561 Comment
  RSA717468  Lepidium lasiocarpum Scott D. White, Andrea Warniment 2006-3-22 11265 Riverside Eastern Coachella Valley a few mi E of Indio. Proposed I-10 Freeway / McMaughton Parkway Interchage, N of I-10 Freeway. 91 Comment
  JOTR00876  Lepidium lasiocarpum var. lasiocarpum Sipe, Frank 1958-3-7 236 Riverside Joshua Tree National Park. NEAR CHOLLA PATCH Comment
  POM118632  Lepidium lasiocarpum var. wrightii Marcus E. Jones 1924-2-27 S.N. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA689378  Lepidium nitidum Scott D. White 2001-4-19 8389 Riverside Perris Basin: Perris/Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5-2 mi west of Interstate 215. 442 Comment
  UCR251304  Lepidium nitidum T. B. Salvato, Matthew Malle 2014-4-8 7829 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills, above an old horse track, c. 0.2 mi north of the junction of Temescal Canyon Road and Concordia Ranch Road 377 Comment
  CAS-BOT-BC60106  Lepidium virginicum var. menziesii Frank W. Peirson 1922-5-21 3031 Riverside San Jacinto Mountains. Hemet Valley. 1356 Comment
  UCR35191  Lepidium virginicum var. pubescens L. B. Ziegler 1972-5-30 469 Riverside San Jacinto Mtns., Hemet (Garner) Valley. 1418 Comment
  JEPS85756  Lepidium virginicum var. robinsonii Roy E. Buck and A. C. Sanders 1989-3-30 1133 Riverside 2.1 air km ese Sugarloaf Mtn. summit (e of Riverside, Two Trees Canyon, w-facing slope just above confluence of main canyon and side canyon entering from the n); Box Springs Mtns., Two Trees Canyon 426 Comment
  RSA613632  Lepidium virginicum var. robinsonii D. L. Banks, Victor Steinmann 1997-3-13 1485 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
  CAS-BOT-BC329448  Lepidospartum squamatum W. R. Dudley 1903-12-28 s.n. Riverside Desert Palm Springs Station Comment
  POM308550  Lepidospartum squamatum Henry J. Ramsey, Henry J. Ramsey 1939-11-28 3145 Riverside Palm Springs Comment
  RSA296175  Lepidospartum squamatum B. A. Prigge 1980-8-5 3815 Riverside Whitewater Canyon; 0.5 mile N of trout farm. 701 Comment
  UC33118  Lepidospartum squamatum H. M. Hall 1899-8-2 1367 Riverside Riverside Comment
  UCR33683  Leptochloa uninervia Faulkner 1978-3-21 349 Riverside Sonoran (Colorado) Desert, 9 mi. north of Blythe on Hwy 95 152 Comment
  UCR37447  Leptochloa uninervia Steve Boyd 1981-4-8 s.n. Riverside Gavilan Plateau, Lake Mathews Road, south of Gavilan Peak 640 Comment
  UC23414  Leptodactylon californicum A. J. McClatchie May 1892 27 Riverside near Elsinore; near Elsinore Comment
  POM364532  Leptosiphon ciliatus Christopher Davidson 1975-6-16 2818 Riverside 2 miles N of Alandale station on road R1 from Idyllwild to Banning. 1646 Comment
  CAS-BOT-BC227047  Leptosiphon floribundus subsp. glaber Ynez W. Winblad 1938-5-15 s.n. Riverside Between E. Capistrano and Lake Elsinore Comment
  RSA73077  Leptosiphon liniflorus P. A. Munz 1922-6-23 3316 Riverside Hemet Valley, San Jacinto Mountains, [on Garner Ranch - 5784]. 1372 Comment
  RSA500979  Leptosiphon parviflorus Steve Boyd, L. Arnseth, T. S. Ross 1989-4-1 3144 Riverside Vail Lake area, ridge along N edge Oak Mountain, 1.5-2.0 miles W of the dam. 518 Comment
  POM128367  Leptosiphon pygmaeus subsp. pygmaeus Thos. Craig 1927-4-23 202 Riverside Glen Ivy. Comment
  POM318146  Lesquerella tenella Nancy McKereghan 1971-3-21 30 Riverside 5 miles from S entrance to Joshua Tree National Monument, betwee Interstate 10 and entrance, alt 1840ft. Little San Bernardino Mt, Salton Sea Dranage. 561 Comment
  UC310390  Lesquerella tenella Edmund C. Jaeger 1926-3-24 Riverside Pinto Valley; eastern Riverside Co. Comment
  SBBG132098  Lessingia glandulifera S. D. White 2003-10-9 9822 Riverside Pine Cove area, Dutch Flat; San Jacinto Mtns 1753 Comment
  CAS-BOT-BC339361  Lessingia glandulifera var. glandulifera D. E. Breedlove 1961-8-5 951 Riverside Along State Highway 74, 5 miles east of Keen Camp, Hemet Valley, San Jacinto Mountains 1341 Comment
  SBBG34762  Lessingia glandulifera var. glandulifera S. D. White 2000-8-5 8096 Riverside near Mountain Center, unnamed ephemeral drainage (tributary to S fk San Jacinto River) 1402 Comment
  SBBG63084  Lessingia glandulifera var. glandulifera R. Hoffmann 1929-9-7 Riverside Strawberry Valley 1645 Comment
  UCR34941  Lessingia glandulifera var. glandulifera L. B. Ziegler 1964-8-30 017 Riverside San Jacinto Mtns., Hemet (Garner) Valley, Thomas Mtn. subdivision 1402 Comment
  RSA512760  Leymus condensatus Walter Wisura, Bart O'Brien, M. Durant 1990-6-12 4443 Riverside Ortega Highway 2.8 miles from T-junction S of Lake Elsinor, in burned area. Comment
  UC68745  Linanthus aureus subsp. aureus H. M. Hall May 1905 6001 Riverside Cottonwood Pass Colorado Desert 609 Comment
  RSA689560  Linanthus dianthiflorus Scott D. White, Michael Honer 2003-4-25 9106 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
  RSA336174  Linanthus dianthiflorus subsp. dianthiflorus R. F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 52004 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  RSA123819  Linanthus jonesii P. H. Raven 1958-3-15 11846 Riverside Box Canyon 4.5 miles east of turn to Painted Canyon. Comment
  SBBG81480  Linanthus jonesii S. A. Junak 1983-3-24 1663 Riverside Pinto Basin Rd, 0.7 mi N of Hwy 10 533 Comment
  SDSU3187  Linanthus jonesii Pamela A. Beare 1992-3-13 13 III92E Riverside Just north of Box Canyon Road, approx. 7 miles ca. east of Painted Canyon Road, east of Mecca. 280 Comment
  UC472899  Linanthus lemmonii P. C. Standley 1921-6-16 Riverside Idyllwild San Jacinto Mt. Comment
  UC73653  Linanthus lemmonii M. F. Gilman 1904-1 27 Riverside Banning Comment
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Mar 13 2011
  UCR193131  Linanthus lemmonii A. C. Sanders, Tim Thomas 2008-6-20 35531 Riverside Peninsular Range; San Jacinto Mtns., May Valley area, at spring with trough, along dirt road (May Valley Rd.) c. 1.5 mi. ENE of Keenwild, 0.5 mi. NW of FS Rd. 5S05 1610 Comment
  UCR66492  Linanthus lemmonii P. A. Munz 1922-4-28 5033 Riverside Peninsular Range, Temescal Canyon 366 Comment
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Apr 3 2011
  RSA646296  Linanthus liniflorus Orlando Mistretta, Mark Elvin 1995-6-19 1778 Riverside San Jacinto Mountains: Highway 74. 1264 Comment
  RSA702730  Linanthus liniflorus Scott D. White, Michael Honer 2004-4-6 10059 Riverside Perris / Elsinore Basin: Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 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
  SEINET7073454  Linanthus parviflorus A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  UC1608254  Linanthus parviflorus Steve Boyd and Orlando Mistretta 1992-4-23 7070 Riverside San Mateo Creek, from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 304 Comment
  UCR116774  Linaria canadensis var. texana A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23895 Riverside Perris-Aguanga Basin region, Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 396 Comment
  SD197911  Lithophragma A. C. Sanders 1997-4-3 20158 Riverside Lake Skinner area; near north foot of Black Mountain, slopes south of Crown Valley. 655 Comment
  UCR160776  Lithophragma A. C. Sanders 1998-3-11 21681 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near old mine site above San Jacinto Valley, south of end of Warren Rd. 610 Comment
  POM48844  Loeflingia squarrosa Stephen Grout, Grout 1905-05 s.n. Riverside West Riverside. Comment
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Jul 24 2010
  RSA593877  Loeflingia squarrosa Steve Boyd, David E. Bramlet 1996-4-19 8623 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, E base of rounded hill at the N end of California Avenue, N of Stetson Avenue 457 Comment
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Mar 20 2011
  JOTR29601  Loeseliastrum matthewsii Andre, Jim 2006-4-26 6758 Riverside Joshua Tree National Park. Long Canyon, approximately 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  UCR103306  Loeseliastrum matthewsii George K. Helmkamp 1998-4-4 3151 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  UCR254626  Loeseliastrum schottii Jim Andre, Glenn Clifton, Ron Kelley 2013-3-21 24396 Riverside NE Colorado Desert, West Riverside Mountains; at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 mi. SW of Vidal Jct, 3 mi. south of Grommet RR xing at Hwy 62 363 Comment
  UCR78448  Logfia arizonica Scott D. White 1993-4-22 1266 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  SBBG81494  Logfia depressa S. A. Junak 1983-3-23 1620 Riverside Jefferson Rd, across from entrance to Cahuilla Lake County Park, S of Indio Comment
  JEPS33559  Logfia filaginoides W. L. Jepson 1928-4-19 12428 Riverside hills 5 mi n Elsinore 609 Comment
  RSA775384  Logfia filaginoides Duncan S. Bell 2011-4-10 2246 Riverside Northwest side of the Arica Mountains; northwestern section of project area; collecting in a large wash approximately 3.5 air miles south of Highway 62. 299 Comment
  UC1424821  Lomatium dasycarpum subsp. dasycarpum C. W. Tilforth and Dorothy Tilforth 1977-3-6 1263 Riverside 0.3 mi. e. El Cariso Forest Station (w. of Lake Elsinore, Hwy. 74 & Forestry Rd. 6S06) Comment
  UC56507  Lomatium lucidum W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1931 Riverside Temecula Creek 609 Comment
  SD143960  Lonicera interrupta A. C. Sanders, P. MacKay et al. 1997-5-4 20678 Riverside San Jacinto Mountains, north side of range, 0.2 miles north of Twin Pines Ranch Road on the dirt road to Brown Creek and Cabezon 1098 Comment
  RSA615327  Lonicera subspicata var. denudata Scott D. White 1997-5-25 5233 Riverside Bautista Canyon, Hixon Trail (USFS No. 2E43), between trailhead at Bautista Cyn. Rd. and intermittent stream crossing at ca. 3200 ft. 793 Comment
  RSA680835  Lonicera subspicata var. denudata Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8666 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  SDSU2935  Lonicera subspicata var. denudata Garrison 1962-7-16 Riverside 3 miles south of Temecula. Highway 395. Cismontane. 335 Comment
  JEPS55406  Lotus argophyllus Marjorie D. Clary 1932-4-3 1184 Riverside 15 mi sw Indio; Colorado Desert, Deep Canyon 304 Comment
  UCR237697  Lotus argophyllus var. argophyllus Orlando Mistretta, Duncan S. Bell, Janet Beckman, Joy England, K. Kane, et al. 2010-4-12 4508 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 526 Comment
  RSA406103  Lotus crassifolius N. C. Cooper 1944-6-17 1408 Riverside San Jacinto Mountains, Pine Cove 1524 Comment
  RSA0027734  Lotus crassifolius John F. Emmel 1985-6-30 945 Riverside Along north edge of Strawberry Creek, west of Idyllwild. Comment
  UC1784125  Lotus hamatus Milo S. Baker Apr 3-4 1928 2804 c Riverside Tahquitz Canon near Palm Springs, California Comment
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Aug 18 2010
  UCR276076  Lotus heermannii T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3798 Riverside San Jacinto Mountains, Rouse Ridge, east of Rouse Hill on 4WD road 2E17 (becoming a foot trail), c. 0.7 mile north of Rouse Ridge Road (5S15), NE of Milky Spring, San Bernardino National Forest 1476 Comment
  UCR48479  Lotus humistratus Steve Boyd 1986-4-2 1586 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  RSA406176  Lotus nevadensis var. nevadensis N. C. Cooper 1944-7-16 1561 Riverside San Jacinto Mountains, above Pine Cove. 2073 Comment
  UC489410  Lotus nevadensis var. nevadensis C. V. Meyer Jun 1927 206 Riverside Saunders Meadow San Jacinto Mts. 1676 Comment
  UC80895  Lotus purshianus var. purshianus A. W. Anthony 1895-7-15 Riverside San Jacinto Mountain Comment
  RSA525260  Lotus salsuginosus var. salsuginosus Steve Boyd, Laurel Arnseth, Yvonne Rasmussen, Hugo Cota, Bob Boyd 1990-5-3 4573 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 549 Comment
  UCR91403  Lotus salsuginosus var. salsuginosus Scott D. White 1995-4-5 2719 .1 Riverside Moreno Valley, Base of slope in 'Badlands', off [Moreno-Redlands] Blvd 640 Comment
  RSA406910  Lotus scoparius N. C. Cooper 1948-5-13 2843 Riverside Morongo Pass. 854 Comment
  UCR125296  Lotus scoparius A. C. Sanders 2002-11-21 25625 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy,' mouth of Bixby Canyon 457 Comment
  RSA651075  Lotus scoparius subsp. scoparius Margaret Murphy 1983-4-15 0009 -A Riverside located in the north section of [parcel] 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  RSA735387  Lotus scoparius var. brevialatus Steve Boyd 2007-4-20 11725 Riverside Southeastern end of the Gavilan Hills, north of Warm Springs Valley at upper end of ''Walsh CanSoutheast-facing slope on English Lake trail. The Salmon Mountains. High Lake Basins in the vicinity of English Peak., Marble Mountain Wilderness Area, ca. o.5 miles from junction with Lindel (aka Stovepipe) Road, on southwest facing slope just above old Melia azedarach and across from driveway leading to 26875 Walsh Road. 549 Comment
  CSUSB1370  Lotus strigosus M. H. Frost 1954-6-6 Riverside San Jacinto Mountains San Jacinto Mountains 1371 Comment
  RSA583367  Lotus strigosus Steve Boyd, Darin Banks 1995-4-5 8431 Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the eastern edge of the Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary. 579 Comment
  RSA777388  Lotus strigosus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 783 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  UCR226726  Lotus strigosus Jim Andre 2011-2-9 15941 Riverside Sonoran (Colorado) Desert, Coachella Valley, along Varner Road between Desert Hot Springs and Palm Desert, 2 mi north of Hwy I-10 189 Comment
  UCR228886  Lotus strigosus A. C. Sanders 2011-4-6 38999 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
  UCR250199  Lotus strigosus A. C. Sanders 2014-4-23 41044 Riverside Peninsular Range, Gavilan Hills, along Concordia Ranch Rd. at edge of Temescal Valley, above I-15 and east of Black Powder Rd. 384 Comment
  RSA406407  Lotus strigosus var. tomentellus Gale Sphon 1955-5-21 s.n. Riverside 5 miles north of Lake Fulmore Comment
  UCR29818  Lotus tomentellus George K. Helmkamp 1983-3-24 383- 18 Riverside Sonoran (Colorado) Desert, north base of the Little Chuckwalla Mountains, 1.5 miles east of Graham Pass Road 336 Comment
  SEINET10838370  Lotus tomentellus David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3709 Riverside Found growing in a wash. Indio hills, colorado desert. Near pushawalla. Comment
  RSA180410  Lotus wrangelianus E. W. Lathrop 1965-4-9 5723 Riverside 6 miles W of Murrieta. Comment
  RSA524435  Lotus wrangelianus Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4051 Riverside Vail Lake area, E flank of Big Oak Mtn, S of E summit. 610 Comment
  RSA85585  Lotus wrangelianus J. C. Roos 1952-4-9 5478 Riverside Fairmount Park 259 Comment
  POM46812  Lupinus arizonicus Mary F. Spencer 1920-3-16 1494 Riverside Mecca -60 Comment
  SBBG55855  Lupinus arizonicus R. Gustafson 1978-3-21 843 Riverside Joshua Tree Nat Monument, ca. 3 mi from the jct of the rd leading through the park and Hwy 70 640 Comment
  UCR143488  Lupinus arizonicus E. K. Balls 1949-4-2 12894 Riverside Sonoran (Colorado) Desert, Hwy 111 between Thermal and [Indio] Arabia Comment
  SEINET6180880  Lupinus arizonicus subsp. arizonicus Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-21 6423 Riverside Big Maria Mountains, 12 airline miles north of downtown Blythe.; 0 290 Comment
  SEINET10490537  Lupinus arizonicus subsp. arizonicus David B. Dunn 1946-2-22 Dunn 1965 Riverside In mud flats dry, caked and split. All american canal catch basin from desert Washes. Oracopia mountains ne of the saltan sea. Very arid country Comment
  RSA583482  Lupinus bicolor Steve Boyd 1995-5-13 8512 Riverside Santa Ana Mountains, south of Elsinore Peak near intersection of road to radio towers on summit and trail following old Main Divide Road grade. 1037 Comment
  SBBG92279  Lupinus bicolor J. Hirshberg 1989-4-3 Riverside S of town of Murrieta, W of Mesa de Burro, Santa Rosa Plateau 609 Comment
  UCR122536  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2001-5-20 6662 Riverside San Jacinto Mtns., 0.3 mi NW of Keen Camp Summit along CA-74 1494 Comment
  POM350056  Lupinus bicolor subsp. microphyllus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  POM350064  Lupinus bicolor subsp. microphyllus Bonnie C. Templeton, J. W. Clokey 1930-4-9 1055 Riverside Moreno Grade, S.W. of Beaumont 600 Comment
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Mar 20 2011
  RSA500218  Lupinus bicolor subsp. microphyllus Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3525 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA0123284  Lupinus concinnus Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8997 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  UC668380  Lupinus concinnus Annie M. Alexander and Louise Kellogg 1941-5-6 2127 Riverside 13 mi sw 29 Palms (Joshua Tree National Monument); , sw of 29 Palms 1371 Comment
  UCR179204  Lupinus concinnus Mitch Provance, Tracy Tennant 1998-6-16 MOR- 386 Riverside San Bernardino Mtns., Morongo Indian Reservation, 0.5 mi. north of junction of East Branch and Millard Canyon 1220 Comment
  RSA557887  Lupinus concinnus subsp. concinnus Steve D. Boyd, Orlando Mistretta 1992-4-22 7018 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  CLARK-A1045-68  Lupinus concinnus subsp. optatus George K. Helmkamp 1978-4-27 Riverside San Jacinto Mountains North Fork San Jacinto River; northeast 1/4 Hemet 15'Q Comment
  SEINET10870974  Lupinus concinnus subsp. optatus Tilforth 1980-6-10 TILFORTH 1985 Riverside Common on dry banks & road cuts at all elevations. Along north leg of thomas Mtn. Rd., South of lake hemet, hiway 74. Comment
  RSA699741  Lupinus excubitus var. austromontanus Keith E. Hoffmaster 1937-6-6 s.n. Riverside San Jacinto Mountains. Comment
  RSA503808  Lupinus formosus N. C. Cooper 1945-5-24 1640 Riverside Big Oaks Canyon, Banning. 1220 Comment
  UC1542859  Lupinus formosus M. L. Conrad, Dunn, and LeDoux 1973-6-15 7139 Riverside 5.9 miles southeast of Junction of Idlewild Road and Highway 74 on 74. 1341 Comment
  UC865164  Lupinus formosus C. Epling and Wm. Robison 1935-6-20 Riverside Mt. San Jacinto, above Marion Camp Comment
  UCR93023  Lupinus hirsutissimus G. P. Schultz 1994-4-7 63 Riverside Box Springs Mtns, Big Springs Canyon and N on the crest to Two Trees Canyon (S side) Comment
  SEINET10485441  Lupinus hyacinthinus David B. Dunn 1946-8-17 Dunn 2722 Riverside 1/4 mi. W of hidden lake. San jacinto mts. Comment
  RSA559441  Lupinus latifolius subsp. parishii Steve D. Boyd 1992-4-15 6851 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  SD229157  Lupinus latifolius var. parishii Dick Schwenkmeyer 2012-8-28 823 Riverside Fuller's Mill camp, 2.6 mi. east of intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1799 Comment
  SD28123  Lupinus latifolius var. parishii Carl B. Wolf 1932-8-5 3951 Riverside San Jacinto Mountains 1st real wet meadow of trail from Tahquitz Valley to San Jacinto Peak 2743 Comment
  OBI60546  Lupinus microcarpus var. densiflorus W. L. Jepson 1939-4-19 19211 Riverside 3 mi S of Aguanga 732 Comment
  SEINET7062849 Image available Lupinus microcarpus var. microcarpus A. G. Vestal 1947-3-29 s.n. Riverside East of Lake Elsinore along Railroad Canyon Road. UTM Zone 11, 473624mE, 3725049mN. (WGS84/NAD83). 472 Comment
  JEPS65439  Lupinus shockleyi W. L. Jepson 1927-4-12 11630 Riverside Whitewater 457 Comment
  RSA0047268  Lupinus sparsiflorus J. Mark Porter, Lauren E. Machen 1997-2-15 11422 Riverside North of Interstate 15 at the Lake Street/Walker Canyon exit, 4.4 mi NE of the Hwy 74 exit at Lake Elsinore. 390 Comment
  RSA523534  Lupinus sparsiflorus Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3993 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UC1287153  Lupinus sparsiflorus C. L. Hitchcock 1966-3-16 24186 Riverside about 5 mi ne Aguanga Comment
  UCR17920  Lupinus sparsiflorus M. J. Arbaugh 1978-5-5 s.n. Riverside Hills south of Botanical Gardens at University of Calif., Riverside. Comment
  SEINET12154199  Lupinus sparsiflorus J. F. Bright, Wyman, C. 1933-1 8079 Riverside nr Radio Comment
  RSA339345  Lupinus sparsiflorus subsp. sparsiflorus Robert F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54103 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  IRVC29065  Lupinus truncatus June Latting 1979-4-8 s.n. Riverside Box Springs Mountain 366 Comment
  RSA28732  Lupinus truncatus R. S. Woglum 1938-5-1 1611 Riverside Peninsular Ranges: San Jacento Valley; Hemet. . Comment
  RSA209594  Lycium andersonii S. W. Austin 1969-4-3 3 Riverside [Riverside] West slope of Box Springs Mountains, east of railroad tracks and north of ravine north of Big Springs Rd. 427 Comment
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Jun 24 2012
  RSA80331  Lycium andersonii F. W. Peirson 1922-4-29 1084 Riverside Aguanga, western Riverside Co. 610 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
  UC1125126  Lycium torreyi C. Van Fleet 1931-1-22 6 Riverside Wilson Creek San Jacinto Quad. 762 Comment
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Nov 27 2011
  UCR37667  Lycium torreyi J. M. Stewart 1984-11-11 8449 Riverside Sonoran (Colorado) Desert, Biskra Palms Oasis, Indio Hills, Coachella Valley 91 Comment
  UCR280832  Lythrum californicum T. B. Salvato, Gregg Miller 2005-6-3 1375 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River c. 2.5 mi SSW of Perris, 1.5 mi downstream of Goetz Road where the river leaves the Perris Plain and enters the hill area above Railroad Canyon 427 Comment
  RSA435284  Lythrum hyssopifolia Christopher Davidson 1977-5-25 5666 Riverside Mesa de Burro; Santa Rosa Plateau area of Santa Ana Mountains 701 Comment
  RSA506441  Lythrum hyssopifolia L. F. LaPre 1988-7-22 s.n. Riverside Santa Rosa Plateau, in the begining of Oak Hill Trail, Natural Conservancy Preserve. Comment
  CAS-BOT-BC8104  Machaeranthera canescens var. ziegleri Louis B. Ziegler 1968-9-30 s.n. Riverside North slope of Santa Rosa Mts. 2286 Comment
  SBBG61012  Madia elegans R. Hoffmann 1929-9-8 Riverside San Jacinto Mtns 1828 Comment
  JEPS13144  Madia gracilis Carl V. Meyer 1929-6-16 762 Riverside summit of trail between Idyllwild and Keen Camp (n of Saunders Meadow); San Jacinto Mountains 1737 Comment
  RSA289949  Maianthemum racemosum subsp. amplexicaule Carl V. Meyer 1928-7-26 540 Riverside Deer Springs. 8700 ft. 2652 Comment
  CAS-BOT-BC206265  Malacothamnus fasciculatus Louis C. Wheeler 1931-10-4 218 Riverside Hemet-Idyllwild Road, San Jacinto Mts. 853 Comment
  UCR120926  Malacothamnus fasciculatus A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24926 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  RSA752792  Malacothrix californica Scott D. White, Justin M. Wood 2009-5-21 12863 Riverside San Jacinto Mountains: Garner Valley, near abandoned duck ponds, S of Quinn Flat. 1357 Comment
  CAS-BOT-BC345440  Malacothrix clevelandii Peter H. Raven 1958-5-17 12955 Riverside 7.4 miles south-east of Banning on road to Idyllwild, San Jacinto Mountains Comment
  JOTR30960  Malacothrix glabrata La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1935 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  OBI8208  Malacothrix glabrata David J. Keil, Malcolm McLeod 1977-3-26 12009 Riverside 8 mi NW of Lake Elsinore State Recreation area along CA 71 366 Comment
  POM362321  Malacothrix glabrata Ora M. Clark 1929-2-24 1516 Riverside Cabazon, Colorado Desert. Comment
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Mar 13 2011
  RSA605236  Malacothrix glabrata A. C. Sanders, George K. Helmkamp, P. J. MacKay 1995-3-12 16042 Riverside Coachella Valley: Indio, just SW of the Whitewater River Channel at Auto Center Dr. (Hwy 111). -8 Comment
  RSA700098  Malacothrix glabrata Virginia Moran 2003-3-26 s.n. Riverside Wilson Valley Mitigation Bank, managed by the Center fot Natural Lands Management. Section 27 of two that comprise mitigation bank. (Section 27 & 33). Accessed from Wilson Valley Road. Comment
  UCR272432  Malacothrix glabrata Cheryl Sevilla, Sarah J. De Groot 2015-3-16 022 Riverside San Bernardino Mountains, San Gorgonio Wilderness Area, just west of Mission Creek, 0.8 mile northwest of the Stone House 811 Comment
  SEINET9118732  Malacothrix glabrata C. H. Muller 1952-1 9498 Riverside 2 mi. E of Shavers Summit, E of Joshua Tree National Monument, South Gate. Comment
  RSA160431  Malacothrix saxatilis J. D. Olmsted 1959-4-17 397 Riverside 1/4 miles above Fire Gate along Skyline Drive, 5 miles SW of Corona. Santa Ana Mtns to Santa Ana River. 457 Comment
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Nov 19 2011
  UC1979612  Malacothrix saxatilis var. tenuifolia D. L. Banks, Victor Steinmann 1995-7-10 0743 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak. Comment
  RSA171929  Malosma laurina R. F. Thorne 1963-7-26 32820 Riverside Santa Ana Mts., Cleveland National Forest, Trabuco District 305 Comment
  UC108278  Mammillaria dioica S. B. and W. F. Parish Apr 1882 Riverside Whitewater Colorado Desert Comment
  SBBG87444  Marah macrocarpa L. F. LaPre, J. Easton 1988-1-27 Riverside Santa Rosa Springs Ranch, on Santa Rosa Plateau, W of Murrieta Comment
  SDSU14246  Marah macrocarpa Ingrid Poulin 2002-3-1 2 Riverside Santa Margarita Ecological Reserve; unpaved road approx. 200 ft. west of Red Mountain Truck Trail (0.8 miles from N. Stagecoach Lane). 259 Comment
  UC111315  Marah macrocarpa S. B. Parish 1907-4-18 6127 Riverside w edge Colorado Desert (type station); West Canyon 200 Comment
  UC2015595  Marah macrocarpa Scott D. White 1996-3-16 3830 Riverside Perris Basin, Lakeview Mts., N of Winchester, at Maze Stone Picnic Area. Comment
  CAS-BOT-BC218947  Marina parryi Lilly H. Kruse 1954-1-18 s.n. Riverside Painted Canyon near Mecca Comment
  RSA703489  Marina parryi LeRoy Gross, Leland Lubinsky, Victor W. Steinmann, Linda Lee Worlow 2005-2-17 1433 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground., [second UTM:] UTM 3720669N, 654757E. 480 Comment
  UCR196345  Marina parryi Naomi Fraga, Lisa Rojas 2005-2-10 1411 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 502 Comment
  UCR260312  Marina parryi A. C. Sanders, Jim Malusa 2015-3-10 41381 Riverside Sonoran (Colorado) Desert, north end of Chocolate Mountains, eastern canyon at Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 611 Comment
  UCR72224  Marina parryi Theo Glenn 1991-5-30 91- 118 Riverside Sonoran (Colorado) Desert, Mule Mtns, 0.2 mi. east of the Opal Hill Mine, just north of the Imperial County line and west of Palo Verde 200 Comment
  RSA85840  Marsilea vestita F. W. Peirson 1922-4-29 2937 Riverside mud flat south of Lake Elsinore Comment
  UCR26314  Marsilea vestita John C. Roos 1937-4-10 2072 Riverside Lake Elsinore 366 Comment
  UC1026579  Marsilea vestita subsp. vestita John C. Roos 1952-5-21 5704 Riverside 1 1/2 mi se Perris (San Jacinto river bottomland) 426 Comment
  CAS-BOT-BC348065  Matricaria discoidea Scott D. White 1996-4-14 3888 Riverside Perris Basin, W Riverside Co. Hemet: along Florida Ave. Comment
  RSA180323  Matricaria matricarioides E. W. Lathrop 1965-4-18 5658 Riverside 10 miles west of Murrieta. Comment
  RSA650954  Matricaria matricarioides W. A. Reinke 1971-5-8 s.n. Riverside 7mi. N. of 2nd St. on [Highway] 71-74, Elsinore. Comment
  UCR230200  Matricaria occidentalis A. C. Sanders, T. B. Salvato 2011-4-29 39362 Riverside Peninsular Range; Perris-Aguanga Basin Region, Romoland, McLaughlin Rd. east of Palomar Rd., near powerplant and railroad 445 Comment
  RSA0028709  Medicago minima Norman C. Cooper 1944-5-6 1214 Riverside Banning. 701 Comment
  SEINET953789  Medicago polymorpha Amber Bruno 2005-1 22 Riverside Peninsular Range, Agua Tibia Mountains: UC Emerson Oaks Reserve, ca. 8 miles southeast of Temecula, South of Hwy 79 at East end of Pauba Valley, end of Los Caballos Road in vicinity of water tank (Pechanga 7.5') 457 Comment
  CSUSB1100  Medicago sativa David H. Eslinger 1970-5-29 Riverside City of Riverside, at University of California, Riverside, 50 meters north and below Picnic Hill, and behind warehouse. Comment
  RSA594519  Medicago sativa D. L. Banks, Rashmi Pant 1996-5-13 1024 Riverside NW Palomar Mountains; Agua Tibia Mountains; Hwy. 79, E of the Dripping Springs Campground.; Approximately 1.9 km E of the Dripping Springs Guard Station (100 m E of where Hwy. 79 leaves the Forest Service Boundary)., On the S side of Hwy. 79. 487 Comment
  IRVC28526  Melaleuca A. C. Sanders, Dana Klatt 2001-8-14 24592 Riverside Riverside, UCR campus at University Bldg. South (old Citrus Expt. Sta. Director's residence area) 351 Comment
  SEINET5799585 Image available Melica Marcus E. Jones 1882-1 Riverside San Jacinto; 33.783908 -116.958635 Comment
  CLARK-A1528-4723  Melica frutescens John C. Roos 1942-5-1 1157 Riverside Dry Morongo Canyon 548 Comment
  RSA0121430  Melica frutescens Duncan S. Bell, LeRoy Gross 2016-3-30 9147 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.75 air miles southeast of the summit of Martinez Mountain. 698 Comment
  UCR18462  Melica frutescens Frank C. Vasek, O. F. Clarke 1966-4-4 s.n. Riverside Santa Rosa Mtns, Hwy 74 at Royal Carrizo Road, Deep Canyon drainage 917 Comment
  UCR2535  Melica frutescens F. M. Reed 1920-5-10 4490 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Murray Canyon 457 Comment
  UCR133029  Melica imperfecta Scott D. White 1993-4-22 1223 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  UCR265845  Melica imperfecta Mitch Provance 2012-5-24 512- 15 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
  SD217288  Melilotus albus Steve Boyd, Tim Ross & Orlando Mistretta 1992-2-2 6630 Riverside Upper San Mateo Canyon between confluence of Tenaja Canyon and Los Alamos Canyon Comment
  UCR92142  Melilotus indicus D. L. Banks, Steve Boyd 1995-5-3 188 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  UC1329996  Menodora spinescens var. mohavensis James E. Cole 1941-4-10 517 Riverside near Twenty-nine Palms Fan boundary; Joshua Tree National Monument Comment
  POM13741  Mentha canadensis E. C. Jaeger 1921-8-21 1164 Riverside Riverside. Comment
  RSA0116000  Mentzelia Jordan Zylstra 2014-3-18 14002 Riverside San Jacinto Mountains: Apple Canyon, west of Apple Canyon Road. 1453 Comment
  JOTR30971  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
  JEPS42807  Mentzelia involucrata W. L. Jepson and W. C. Mathews 1914-5-18 6009 Riverside n Indio (Pinon Well to County Well) 457 Comment
  RSA784748  Mentzelia involucrata Duncan S. Bell 2012-2-12 3092 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  UC310584  Mentzelia involucrata Philip A. Munz 1926-1-31 9951 Riverside Colorado Desert, Dos Palmas Spring Comment
  CSUSB821  Mentzelia involucrata var. megalantha Wayne White 1974-5-24 Riverside Chuckwalla Mountains, Colorado Desert On Highway I-10 near Red Cloud Road; Chuckwalla Mountains in Colorado Desert 609 Comment
  RSA722991  Mentzelia laevicaulis var. laevicaulis M. Wall 2007-6-26 430 Riverside San Jacinto Valley, Bautista Creek wash off Bautista Canyon Rd. 3.0 miles SE of jct with Fairview Ave. 678 Comment
  UCR12578  Mentzelia veatchiana R. G. Sullivan 1972-5-13 720513- 5 Riverside San Jacinto Mtns., Route 243(road from Banning to Idyllwild), c. 9 mi. from [+- S of] Interstate Hwy 10. 1372 Comment
  UCR241676  Mercurialis annua O. F. Clarke 2010-5-22 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 365 Comment
  RSA601792  Mesembryanthemum nodiflorum D. E. Bramlet 1997-3-13 2496 Riverside Nichols Road Wetlands. This site is located aproximatly 183 m. southeast of Nichols Road, 91m west of Collier Ave. and 196m west of I-15., The locality is east of the existing dirt road extending south from Nicholas Rd. and adjacent to Alberhll Creek. 381 Comment
  POM19636  Microseris lindleyi Mary F. Spencer 1923-6-9 2169 Riverside Idyllwild. San Jacinto Mt. 1828 Comment
  RSA716263  Microseris lindleyi Scott D. White, Angelia Carey 2004-4-5 9997 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR182357  Microseris lindleyi Mitch Provance 2005-5-17 6556 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  UCR215509  Microseris lindleyi Daphne K. Christopher, Hannah I. Stevens 2003-4-3 089 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve 536 Comment
  SBBG19544  Mimetanthe pilosa R. Moran 1962-7-7 9859 Riverside Strawberry Crk, 2 mi SW of Idyllwild 472 Comment
  UC987817  Mimulus aurantiacus var. pubescens Reid Moran 1941-5-5 845 Riverside e Quail Spring; Joshua Tree National Monument 1300 Comment
  UCR116516  Mimulus aurantiacus var. pubescens Dan Hare 2001-4-26 s.n. Riverside Perris-Aguanga Basin region, Lake Perris State Recretion Area, approximately 1 km northeast of Bernasconi Beach, Lake Perris 600 Comment
  JEPS86530  Mimulus aurantiacus var. puniceus Roy E. Buck 1988-4-1 868 Riverside 7 air km w Lake Elsinore (town) (e-facing slope above CA Hwy. 74, near top of grade w of Lake Elsinore, ca 2.0 air km nw of confluence of Harlan Canyon and Johnson Canyon drainages); Elsinore Mountains 780 Comment
  RSA510031  Mimulus aurantiacus var. puniceus B. Pitzer, E. Misqez 1988-2-28 631 Riverside 2 mi s of Rancho California Road (sw of Murrieta, Walker Basin, Avenida del Oro); Walker Basin, Avenida del Oro. Comment
  UCR279587  Mimulus bigelovii A. C. Sanders, Jim Malusa 2017-3-28 43149 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
  RSA4942  Mimulus bigelovii var. bigelovii Carl B. Wolf 1932-4-27 3055 Riverside North base of Chuckwalla Mountains, 5 miles East of Desert Center, Colorado Desert. 152 Comment
  UCR244409  Mimulus bigelovii var. bigelovii Jim Andre 2012-4-16 20904 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd, 3.1 mi. north of south entrance, 4.1 mi. north of I-10 788 Comment
  CLARK-A1045-336  Mimulus brevipes George K. Helmkamp 1978-5-2 Riverside Bautista Canyon burn; Bautista Road; Hemet 15'Q Comment
  UCR172789  Mimulus brevipes Wayne Law, Jun Hu 2000-5-16 15 Riverside Peninsular Ranges; Santa Ana Mtns., Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi south of Corona 396 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
  RSA509456  Mimulus diffusus T. P. Krantz 1982-4-22 s.n. Riverside San Jacinto Moutains, Garner Valley, Bonita Vista Road Comment
  UCR217532  Mimulus diffusus Diane Menuz 2008-4-4 392 Riverside Peninsular Range, Palomar Mountains. And 0.5 mi down Woodchuck Rd. from national forest boundary 719 Comment
  UCR17145  Mimulus floribundus Eric Fisher 1979-5-19 s.n. Riverside Box Springs Mtns, Reche Canyon, 5.5 mi NW of Moreno 610 Comment
  CSUSB888  Mimulus guttatus Rex Sanders 1973-5-13 Riverside Santa Ana Mountains Collected at 2nd creek crossing Los Pinos forestry camp road 0.7 miles from Highway 74 turnoff; Cleveland National Forest, Santa Ana Mountains; 1 meter from stream, 20 meters from road. 609 Comment
  UCR90740  Mimulus guttatus Scott D. White 1995-4-5 2732 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  RSA0054845  Mimulus guttatus var. nasutus Keith E. Hoffmaster 1933-4-14 528 Riverside Tahquitz canyon. Comment
  LA209440  Mimulus tilingii Elizabeth McClintock; 1939-8-20 sn Riverside San Jacinto Mountains, Round Valley Comment
  CLARK-A1528-3278  Mirabilis californica John C. Roos 1966-4-23 Riverside Comment
  UCR132705  Mirabilis laevis A. C. Sanders, T. B. Salvato 2004-2-16 27390 Riverside Santa Ana Mtns., foothills at edge of Temescal Valley, summit of ridge proposed for removal at development called 'Trilogy at Glen Ivy,' south of Brown Canyon 451 Comment
  UCR135836  Mirabilis laevis A. C. Sanders 2004-4-20 27539 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
  UCR163426  Mirabilis laevis B. G. Pitzer 1998-1-25 3428 Riverside Lakeview Mtns., Warren Road, just below water tank at base of hills, W side of road c. 0.5 mi. NE of Juniper Flat Road 610 Comment
  SDSU18647  Mirabilis laevis var. crassifolia C. Matt Guilliams, Jeannine Ross 2008-3-12 526 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. Collections near the Dudleya multicaulis restoration site. 388 Comment
  POM9665  Mirabilis laevis var. crassifolia P. A. Munz, R. D. Harwood 1920-2-28 3256 Riverside 3 miles west of Corona. 305 Comment
  CAS-BOT-BC434816  Mirabilis laevis var. retrorsa C. L. Hitchcock 1940-4-1 5906 Riverside 1 mi. below Cottonwood Springs, Joshua Tree National Monument. Comment
  UCR245899  Mirabilis laevis var. retrorsa R. F. Thorne 1995-3-29 63007 Riverside Transverse Range; San Bernardino Mtns., Whitewater Canyon 600 Comment
  RSA145505  Mirabilis laevis var. villosa Peter H. Raven 1960-3-16 14844 Riverside 2.2 miles west of Desert Center Comment
  UCD98207  Mirabilis laevis var. villosa C. L. Hitchcock 1966-3-16 24176 Riverside 1/4 mile w. of Aguanga. Comment
  RSA741193  Mirabilis multiflora var. pubescens Scott D. White, Justin M. Wood 2008-6-16 12128 Riverside San Jacinto Mountains: Fobes Canyon, +/- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  JOTR37507  Mohavea confertiflora Hodges, Stephen R. 2016-3-1 633 Riverside Joshua Tree National Park. Northern edge of the Eagle Mountains where they border the Pinto Basin. Approximately 3 kilometers west of Pinto Wells. Ascending up towards the ridge line on loose unconsolidated sand ramps Comment
  RSA408765  Mohavea confertiflora M. B. Dunkle 1933-3-4 3049 Riverside Painted Canyon 30 Comment
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May 20 2014
  UC196564  Mohavea confertiflora Joseph Grinnell 1910-3-17 Riverside Riverside Mountain, Colorado River Colorado River; Riverside Mountain, Colorado River Comment
  UCR167464  Mohavea confertiflora 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
  JEPS63419  Monardella australis subsp. australis W. L. Jepson 1903-8-8 2314 Riverside San Jacinto Peak 3139 Comment
  LA63043  Monardella australis subsp. australis Elizabeth McClintock; 1941-7-12 108 Riverside San Jacinto Mountains, Trail to Deer Springs Comment
  CAS-BOT-BC402176  Monardella breweri subsp. glandulifera R. F. Thorne; E. W. Lathrop; W. Wisura 1977-7-8 49544 Riverside Santa Ana Mountains: along Ortega Highway (74), perhaps 1/4 mile west of El Cariso. Comment
  UC1563131  Monardella breweri subsp. lanceolata Steve Boyd, Tim Ross, Laurel Arnseth 1989-6-4 3603 Riverside Vail Lake area, Kolb Creek drainage, around N extension of Woodchuck Road, north of Hwy. 79 487 Comment
  POM12899  Monardella lanceolata var. lanceolata P. A. Munz 1922-7-3 5945 Riverside [Unspecified] 1372 Comment
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Oct 8 2011
  UC1931123  Monardella linoides subsp. linoides Scott D. White, Justin Wood 2008-7-10 12457 Riverside San Jacinto mountains: Fobes spring (Palm View Peak) Comment
  LA96093  Monardella nana Elizabeth McClintock; 1941-5-31 51 Riverside 6 mi from Anza turn off Comment
  POM11507  Monardella nana P. A. Munz 1922-7-6 s.n. Riverside Between Tahquitz and Round Valley. 2287 Comment
  RSA768324  Monardella nana subsp. arida Elizabeth McClintock 1941-5-31 44 Riverside 5 miles from turnoff to Anza Tablet. After crossing narrow valley, passing ranch house, crossing sluggish stream, and going through second gate. Comment
  UCR221489  Monardella nana subsp. arida Elizabeth McClintock, Harlan Lewis 1941-6-29 078 Riverside Peninsular Range; Santa Rosa Mtns., road up Santa Rosa Mountain, 2.3 miles beyond canyon where stream crosses road 2165 Comment
  HSC86136  Monardella nana subsp. leptosiphon B. Freeman 1969-6-19 6906192 Riverside San Jacinto Mtns., University of California James Reserve, S of lodge, 40 ft. across stream Comment
  RSA651653  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-15 114 Riverside San Jacinto Mts. On slope south of Strawberry Creek, and west of Domengonio Flats. Comment
  RSA767766  Monardella nana subsp. tenuiflora Elizabeth McClintock 1940-6-30 23 Riverside Fuller Mill Creek Camp, on the Banning-Idyllwild road Comment
  UC279710  Monardella nana subsp. tenuiflora Edmund C. Jaeger 1925-8-1 Riverside near Gregg's Ranch; San Jacinto Mts. 1280 Comment
  SD132294  Monardella robisonii K. Stolte 1979-9-4 Riverside Joshua Tree National Monument. Keys Ranch, Hidden Valley area. 100 meters SW of the National Parks Service trailer Comment
  UCR123187  Monardella robisonii A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24612 Riverside Mojave Desert, Little San Bernardino Mtns, Split Rock, Joshua Tree National Park, north of 'Ruby' VABM 4351 on west side of road 1296 Comment
  GMDRC9383  Monolepis nuttalliana J. M. Andre 2017-3-4 37201 Riverside Big Maria Mountains: eastern base of range at Black Point, west side of US Hwy 95 34.2 mi. south of Vida Jct, at road to radio tower 94 Comment
  CAS-BOT-BC349785  Monoptilon bellioides N. Aitkenhead 1977-2-3 2125 Riverside Moniobra Valley N. of Orocopia Mnts Comment
  CAS-BOT-BC349795  Monoptilon bellioides J. H. Thomas 1949-2-28 56 Riverside Southern part of Palm Springs Comment
  CAS-BOT-BC349806  Monoptilon bellioides S. B. Parish 1896-4-1 s.n. Riverside Palm Springs, Colorado Desert Comment
  JOTR36449  Monoptilon bellioides La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3419 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
  POM7903  Monoptilon bellioides P. A. Munz, R. D. Harwood 1920-4-3 3557 Riverside Ford's Well west of Blythe. 305 Comment
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Dec 13 2016
  SBBG60710  Monoptilon bellioides Anstruther Davidson 1895-1 Riverside Palm Springs Comment
  LA10011  Muhlenbergia asperifolia Louis C. Wheeler; 1933-12-2 2313 Riverside US 99, 2 mi. NW Whitewater Station 365 Comment
  RSA719787  Muhlenbergia filiformis Naomi Fraga, Ilene Anderson, Mike Hamilton, Michael Wall, Gary Wallace 2006-9-7 1773 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  UC1922836  Muhlenbergia filiformis Naomi Fraga, et al. 2006-7-11 1716 Riverside Peninsular Ranges; San Jacinto Mountains region: Mount San Jacinto State Park, Hidden Lake. Comment
  RSA496131  Muhlenbergia microsperma Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 3010 Riverside Vail Lake area, low hills west of Kolb Creek arm of lake. 488 Comment
  SEINET10389798  Muhlenbergia microsperma A. C. Sanders, Jim Malusa 2015-3-9 41361 Riverside Chocolate Mountains, along Gasline Road at major wash crossing 1.9 mi. south of Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range 686 Comment
  SEINET191996  Muhlenbergia microsperma C. L. Hitchcock 1940-4-2 5915 Riverside Cottonwood Spring Wash Joshua Tree National Monument. Comment
  UCR168444  Muhlenbergia microsperma P. A. Munz, R. D. Harwood 1920-2-28 3238 Riverside Santa Ana Mtns. region, 2 miles SE of Corona 305 Comment
  UCR174253  Muhlenbergia microsperma A. C. Sanders, T. B. Salvato 2006-6-2 33070 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. 579 Comment
  SD152985  Muhlenbergia rigens Steve Boyd, D. Bramlet, T. Ross 1992-9-9 7689 Riverside San Mateo Canyon Wilderness Area. Upper San mateo Canyon, from the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek, up the San Mateo Trail north to Potrero de la Cienaga 395 Comment
  UCR84604  Muilla maritima Scott D. White 1994-4-21 1953 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  UCR222401  Myoporum insulare A. C. Sanders, Andrew Chen 2011-1-5 38704 Riverside San Bernardino Valley Region, Louis Rubidoux Nature Center, Santa Ana River, Jurupa area of Riverside, SE of Riverview Dr. and west of Rio Rd. 223 Comment
  CAS-BOT-BC83348  Myosurus minimus Frank W. Peirson 1922-5-19 4171 Riverside Menifee Valley. Comment
  CAS-BOT-BC83349  Myosurus minimus Frank W. Peirson 1922-5-19 4171 Riverside Menifee Valley. Comment
  SBBG104097  Myosurus minimus A. C. Sanders 1993-4-5 13691 Riverside western edge of Hemet, along S side of Devonshire Ave between Old Warren and Warren Rds, SW of Tres Cerritos and N of Florida Ave (St Hwy 74) 460 Comment
  UC218013  Myosurus minimus P. A. Munz and I. M. Johnston 1922-5-20 5461 Riverside Hemet Valley, pool at Kenworthy; San Jacinto Mts 1432 Comment
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Mar 25 2011
  SD87753  Myriopteris covillei Frank W. Peirson 1921-3-22 2331 Riverside Murray CaA'on Comment
  SD82647  Myriopteris parryi Louis C. Wheeler 1933-12-2 2305 Riverside Mouth of Tahquitz Canyon near Palm Springs 142 Comment
  UCR140955  Nama demissa June Latting 1973-4-14 s.n. Riverside Sonoran (Colorado) Desert, south entrance to Joshua Tree National [Park] Monument, alluvial slopes south of Cottonwood Mtns. 579 Comment
  POM13913  Nama demissa var. deserti P. A. Munz, D. D. Keck 1922-4-10 4932 Riverside Eagle Mtns. 3 miles northeast of Hay fields. 213 Comment
  UCSB31051  Nama hispida Steele, R. 1977-3-29 Riverside Five miles southeast of Interstate 10; on Box Canyon Road 365 Comment
  POM13615  Navarretia fossalis P. A. Munz, I. M. Johnston 1922-5-19 5370 Riverside 8 miles NE of Murietta. 412 Comment
  UCR266327  Navarretia fossalis D. E. Bramlet 1991-6-1 2172 Riverside Peninsular Ranges; Perris-Aguanga Basin region, San Jacinto River, about 2.2 km west of Lakeview, east of the riverbed, 1 mi north of MWD (Colorado Aquaduct) easement road 433 Comment
  RSA587577  Navarretia hamata subsp. leptantha D. L. Banks, S. D. Boyd 1995-6-2 0576 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail N of the Riverside County boundary, in the clay grasslands in section 32, W of the Dripping Springs Alcove Area. 890 Comment
  SD258496  Nemacaulis denudata var. gracilis J. M. Andre, Glenn Clifton, Ron Kelley 2013-3-21 24394 Riverside West Riverside Mountains: at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 miles SW of Vidal Jct, 3 miles S of Grommet RR xing at Hwy 62. (Grommet 7.5'Q) 363 Comment
  POM316395  Nemacladus glanduliferus var. glanduliferus P. A. Munz, D. D. Keck 1922-4-9 4824 Riverside South base of Eagle Mountains 3 miles NE of the 'Hayfields' 213 Comment
  RSA0014941  Nemacladus longiflorus var. longiflorus LeRoy Gross, Evan Meyer 2013-5-21 6118 Riverside West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley. Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near [coordinates given.] 1631 Comment
  JEPS22335  Nemacladus orientalis Peter H. Raven 1958-3-1 11748 Riverside 8.6 mi n Blythe (on U.S. Highway 95) Comment
  UCR20718  Nemacladus ramosissimus A. C. Sanders, Steve Boyd 1980-5-2 1438 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  RSA799238  Nemacladus tenuis var. aliformis Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 747 A Riverside North side of the Mecca hills, side canyon between the head of Box Canyon and Shavers Well, roughly 7.4 miles from Interstate 10 on Box Canyon Road. 305 Comment
  POM3491  Nemophila menziesii H. M. Hall 1899-05 s.n. Riverside San Jacinto Mtns. 1601 Comment
  RSA0128924  Nemophila menziesii Justin M. Wood 2010-3-19 1432 Riverside Beaumont: Near Smith Creek, E of Sun Lakes off S Highland Home Rd. 747 Comment
  UC63800  Nemophila menziesii var. integrifolia H. M. Hall June, 1901 2044 Riverside wooded slopes and benches of the s side San Jacinto Mts. San Jacinto Mountains, Shingle Val. (Shingle Val.) 1371 Comment
  RSA603102  Nemophila pedunculata R. S. Woglum 1939-4-23 2188 Riverside Peninsular Ranges: Western Slope of the San Jacinto Mountains, Hemet to Anza. Comment
  UCR201618  Nicotiana attenuata Scott D. White, Justin M. Wood 2008-6-16 12140 Riverside San Jacinto Mountains, meadow at Quinn Flat 1378 Comment
  RSA781023  Nicotiana clevelandii D. Silverman, Onkar Singh 2010-3-27 7861 Riverside McCoy Wash, N of Palo Verde Mesa, 4.8 km WSW of Mesaville siding, W of A Canal/Levee Blvd., and ca. 6 km N of Blythe Airport 131 Comment
  SD122192  Nicotiana glauca James C. Dice, J. DeWald 1987-10-5 734 Riverside Santa Margarita River, near aqueduct crossing 245 Comment
  SBBG92196  Nicotiana obtusifolia D. F. Howe 1980-4-16 Riverside 4 mi S of Intertstate 10 on Cornsprings Rd, Chuckwalla Mtns 335 Comment
  SEINET12808835  Nicotiana obtusifolia Chris Dietrich, M. Merello, & H. Schmidt 1994-1 20 Riverside 9 mi NNW of Indio, off Dillon Road 1.9 mi NE on Berdoo Canyon Road (J241). BLM Land. Desert Access Guide Map #17. 358 Comment
  UC495142  Nicotiana obtusifolia Philip A. Munz 1932-3-14 12010 Riverside Magnesia Spring Canyon; Coachella Valley 91 Comment
  UC520043  Nicotiana obtusifolia A. N. Dunn and A. M. Martin 1932-3-26 Riverside Box Canyon Comment
  UC219553  Nolina parryi P. A. Munz 1922-6-30 5928 Riverside rocky slopes s Santa Rosa; Santa Rosa Mts. 1767 Comment
  SEINET7042765  Oenothera W. P. Vestal, A. G. Vestal 1955-3-25 3476 Riverside Adenostoma chaparral, Lakeview Mountains on Juniper Flat Road. Lakeview quadrangle UTM Zone 11, 489935mE, 3735502mN. Comment
  SD3334  Oenothera californica Ruth B. Randall 1926-2-22 294 Riverside Coachella Valley. Comment
  POM122194  Oenothera californica subsp. californica Marcus E. Jones 1926-5-29 s.n. Riverside South of Temecula. Comment
  UC422969  Oenothera californica subsp. californica F. M. Reed 1905-10-2 260 Riverside 547 Chicago Avenue Riverside Comment
  LA206154  Oenothera deltoides A. M. Johnson; 1932-3-20 3903 Riverside Indian Wells, below Palm Springs Comment
  UCR214714  Oenothera deltoides A. C. Sanders 2010-3-23 37548 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  SEINET12189795  Oenothera deltoides J. F. Bright, Wyman, C. 1933-1 8067 Riverside near Palm Springs Comment
  POM200877  Oenothera deltoides subsp. deltoides Carl B. Wolf 1932-4-27 3065 Riverside Colorado Desert, Chuckwalla Valley, 16 mi. east of Desert Center. 122 Comment
  RSA118387  Oenothera deltoides subsp. deltoides P. A. Munz, David P. Gregory, William M. Klein 1958-4-4 22962 Riverside Sun Tan Motel, 3.5 mi. nw. Indio city limits, on Hwy 70 [Hwy 10]. 30 Comment
  RSA146053  Oenothera deltoides subsp. deltoides William M. Klein 1959-4-6 952 Riverside U,S. Hwy 60-70, about 21 miles west of Blythe. 137 Comment
  UC1186574  Oenothera deltoides subsp. deltoides J. W. MacSwain and R. W. Thorp 1959-3-7 59 -47 Riverside 2 mi w Hopkins Well Comment
  UC1252002  Oenothera deltoides subsp. deltoides William M. Klein 1959-3-1 805 Riverside along La Quinta Rd 0.5 mi s junction of U.S. Highway 60-99 (about 6 mi nw of Indio); Bermuda Dunes 60 Comment
  RSA786949  Oenothera hookeri subsp. grisea Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49548 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons Comment
  CAS-BOT-BC427460  Oligomeris linifolia H. M. Hall 1905-4-1 5775 Riverside Colorado Desert. Indian Well 0 Comment
  RSA122245  Oligomeris linifolia H. S. Yates 1937-3-23 6425 Riverside Near Thermal 30 Comment
  RSA525261  Oligomeris linifolia Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4574 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 549 Comment
  RSA0012647  Olneya tesota April Garbat, Kristin Forgrave 2013-5-29 76 Riverside Along Box Canyon Rd from Cottonwood Springs Rd to Mecca. 305 Comment
  UCD134652  Oncosiphon piluliferum A. C. Sanders 2004-4-9 27479 Riverside Perris Valley: Ramona Expressway at east end of Lake Perris dam. 457 Comment
  UCR137332  Oncosiphon piluliferum A. C. Sanders 2004-4-9 27479 Riverside Perris Valley, Ramona Expressway at east end of Lake Perris dam 457 Comment
  SEINET8674695  Opuntia X vaseyi Rosemary Trelease, Nancy Foisy, Joni Ward 2004-4-27 54525 Riverside Originally received into the Desert Botanical Garden living collection as a plant collected by Bruce Parfitt 3503 19 April 1986 with R. Anthony and A. Sanders from California, Riverside County, Pauba Valley, Highway 79 crossing of Temecula River (or Creek), 4.6 miles east of junction with road to Pala in the vicinity of the given coordinates as determined by Google Earth; collector's notes: Spiny and spineless pads on same plant; sage scrub hillside E of creek and S of highway. 1000 Comment
  SEINET9037813 Image available Opuntia basilaris var. basilaris M. A. Baker, Michelle Cloud-Hughes 2015-1 18416 Riverside 1.5km north of the historic site of Whitewater, 16km NW of central Palm Springs, low slope to the west side of wash, granitic silt, fine sand, and gravel 474 Comment
  RSA355175  Opuntia engelmannii A. C. Sanders 1986-4-21 6467 -B Riverside Bautista Canyon, common on sandy flats and earth dike, twi miles above the dam, SE of Hemet. 610 Comment
  SD185177  Opuntia littoralis T. B. Salvato, Kent Beaman 2005-5-16 827 Riverside San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA 74. 548 Comment
  POM285351B  Opuntia phaeacantha Lyman Benson 1955-12-6 15622 Riverside Hills 3 miles southeast of Redlands. Crystal Springs. San Bernardino foothills. 488 Comment
  RSA285350  Opuntia polyacantha var. erinacea Lyman Benson 1955-12-6 15628 Riverside Pines to Palms Hwy; San Jacinto Mts. 1372 Comment
  RSA524391  Opuntia vaseyi B. D. Parfitt, Rita Anthony, Andy Sanders 1986-4-19 3501 Riverside Pauba Valley, Hwy 79 crossing of Temecula River (or Creek), 4.6 miles E of junction with road to Pala. 305 Comment
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Nov 28 2010
  CLARK-A1528-78  Orcuttia californica Ruth Cooper 1941-6-8 76 K Riverside Menifee Valley Comment
  JEPS126153  Orobanche parishii subsp. parishii Mike Hamilton 2005-12-2 s.n. Riverside San Jacinto Mountains, UC Riverside James Preserve, near weather station Comment
  CLARK-A1528-4772  Oryzopsis hymenoides Alfred R. Roos 1937-4-18 2397 Riverside Snow Creek Comment
  UC1520011  Osmadenia tenella Robert Gustafson, Gary Wallace 1983-6-23 2721 Riverside ca 2 1/2 mi from its junction with Hwy. 15 Clinton Keith Road; Santa Ana Mts. Comment
  RSA263608  Osmorhiza brachypoda E. W. Lathrop 1968-5-22 6912 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  RSA722451  Oxalis corniculata Olive Van Meter s.n. Riverside Black Star Canyon. Comment
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Mar 5 2018
  RSA633877  Oxytheca caryophylloides Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38137 Riverside San Jacinto Mountains: San Bernardino National Forest. Woods above James Reserve. 1677 Comment
  RSA553952  Oxytheca emarginata G. R. Ballmer 1991-6-22 s.n. Riverside SE end of Garner Valley, on Pacific Crest trail, 2-3 miles N of jct. with Hwy 74; in vicinity of Bull Canyon Comment
  UCR19480  Oxytheca emarginata E. C. Jaeger 1922-7-23 s.n. Riverside San Jacinto Mtns., Pines to Palms Trail, east slope of mountains 1524 Comment
  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
  SEINET1908452  Oxytheca trilobata A. C. Sanders, Mitch Provance 2008-1 35762 Riverside Peninsular Range; San Jacinto Mtns.: 3/4 mi. NE of Mountain Center, c. 1/4 mile NE of Keenwild Fire Station, near road to helipad. 1463 Comment
  SEINET10537850  Paeonia californica James S. Miller 1992-5-8 Miller 7458 Riverside 1 mi N of California route 74 on Main Divide Road; near NE border of Cleveland National Forest. 900 Comment
  UCR176269  Paeonia californica Teresa Nieto 2005-4-14 04 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  CAS-BOT-BC327933  Palafoxia arida Paul F. Covel 1938-4-20 1181 Riverside Palm Springs Junction Comment
  SD234047  Palafoxia arida Virginia Pinkus Ryder 1964-3-26 114 Riverside Palm Springs, 1 mi. N on Palm Canyon Road. 248 Comment
  UCR178577  Palafoxia arida R. G. Swinney 1967-2-11 0034 Riverside San Jacinto Mtns./ Sonoran (Colorado) Desert, Snow Creek 366 Comment
  UCR20845  Palafoxia arida A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1309 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
  SEINET10799064  Palafoxia arida David B. Dunn, A. Folsom 1948-6-17 Dunn 3809 Riverside Near quad 2. At camp in Pushawalla Canyon under palms. Desert wash, Indio Hills, Colorado Desert. Comment
  JEPS30724  Palafoxia arida var. arida Peter H. Raven 1962-4-7 17119 Riverside San Gorgonio Pass E of Banning 396 Comment
  POM363738  Palafoxia arida var. arida Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  RSA27576  Palafoxia arida var. arida C. L. Hitchcock 1940-3-29 5848 Riverside 12 miles east of Indio. Comment
  RSA747724  Palafoxia arida var. arida Scott D. White, Justin M. Wood 2009-3-24 12577 Riverside Western foothills of Mecca Hills, +/- 0.5 air mile east of the Coachella Canal and 4 air miles S of the I-10 Freeway. 21 Comment
  NY43273  Palafoxia linearis var. linearis C. R. Annable 1995-3-16 2299 Riverside Ca. 13km NE of Desert Center, on Hwy 177 Comment
  CHSC109691  Panicum capillare Justin M. Wood 2008-7-9 130 Riverside SW Perris Basin: Temecula-Murrieta Creek, downstream of 1st street bridge. 299 Comment
  CAS-BOT-BC274190  Pappostipa speciosa H. M. Hall 1899-5-1 1177 a Riverside San Jacinto Mountains. El Toro Mt. Comment
  SBBG1355  Parietaria hespera var. hespera H. and M. Dearing 1942-1-25 4787 Riverside San Jacinto Mtns 1219 Comment
  SBBG27736  Parkinsonia florida D. Myrick 1964-4-30 815 Riverside Pines to Palms Hwy 74, 2 mi W of Palm Desert 121 Comment
  RSA599120  Paspalum dilatatum V. W. Steinmann, D. L. Banks 1996-4-20 846 Riverside Agua Tibia Mountains, ca. 10 km east of Temecula, UC Emerson Preserve, ca. 0.5 km from main road along the East Trail, just northeast of the summer cottage., ca. 33?28'N, 117?02'W 450 Comment
  CAS-BOT-BC355870  Pectis papposa var. papposa K. Bonner 1977-10-29 2578 Riverside 1.5 mi. W. of Chiriaco Summit Comment
  UC1532788  Pectis papposa var. papposa Robert F. Thorne 1966-10-15 41795 Riverside at foot Palms to Pines Highway (near Palm Desert); Dead Indian Canyon Comment
  RSA0123297  Pectocarya heterocarpa Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8982 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  CAS-BOT-BC227090  Pectocarya lateriflora A. C. Sanders 2011-4-7 39030 Riverside Peninsular Range; Santa Ana Mtns. Region: Temescal Canyon, between Horsethief Canyon and Glen Eden, along I-15 Frontage Rd., SE of Lee Lake 381 Comment
  SD236233  Pectocarya linearis John F. Green 2006-4-25 Riverside Peninsular Ranges; Foothills of Santa Ana Mountains / Santa Rosa Plateau; Temecula, Southern California Edison right of way between residential areas, N-S corridor between S General Kearny Road and la Serena Way; E of Veterans park (Bachelor Mtn 7.5'Q) 366 Comment
  UCR176196  Pectocarya linearis Amber Bruno 2005-4-3 02 Riverside Riverside; east side of UC Riverside, east end of Big Springs Rd. on north side of road, 0.25 mi. east of Watkins Dr. but west of the railroad track, Islander Park 351 Comment
  SDSU17485  Pectocarya linearis subsp. ferocula Jerry Jenkins 2001-3-30 2001 -005 Riverside Santa Margarita Ecological Reserve. Field by station. UTM zone 6, 482100E, 3699010N. UTM transfered to GIS. Comment
  SEINET6973497  Pectocarya linearis var. ferocula A. G. Vestal 1962-3-29 s.n. Riverside 4.2 miles east of Murrieta. Comment
  CLARK-A1528-2251  Pectocarya penicillata John C. Roos 1966-4-5 Riverside Winchester Comment
  CLARK-A1528-338  Pectocarya penicillata C. M. Flanagan 1973-4-21 OO 302 Riverside Morongo Indian Reservation 914 Comment
  UCR162763  Pectocarya penicillata 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
  CLARK-A1045-85  Pectocarya platycarpa George K. Helmkamp 1978-4-27 Riverside San Jacinto Mountains .5 mile [north northwest] from CA Highway 74; Hemet 15'Q Comment
  UCR196379  Pectocarya platycarpa Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Pesach Lubinsky 2005-2-10 1429 Riverside Northeastern Colorado Desert, along Palen Pass Road, near Hwy 177 170 Comment
  POM292378  Pectocarya recurvata Lyman Benson 1933-3-31 4175 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  UC1212092  Pectocarya recurvata Peter M. Ray 1949-3-6 1135 Riverside near 1000 Palms; Coachella Valley, Willis Palms Comment
  RSA0030780  Pedicularis semibarbata N. C. Cooper 1944-6-17 1409 Riverside San Jacinto Mtns. Pine Cove. 1677 Comment
  UCSB16960  Pediomelum californicum Brooks, Terry 1963-5-5 Riverside Pinon-Flats Campground on California State Highway 74 1219 Comment
  UCR245611  Pelargonium capitatum 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
  IRVC3139  Pellaea andromedifolia R. H. Whittaker, W. A. Niering 1963-5-28 SJ 32 Riverside Mountain Center to Hemet. San Jacinto Mountains 915 Comment
  UCR2  Pellaea andromedifolia Eugene Cardiff 1955-3-1 s.n. Riverside San Bernardino Valley Region, Jurupa Hills [=Jurupa Mountains] 671 Comment
  SD138476  Pellaea mucronata Darin L. Banks, Steve Boyd 1995-3-15 71 Riverside Northwest Palomar Mountains, Agua Tibia Wilderness Area, north face of Agua Tibia Mountain, Dorland Mountain area 787 Comment
  IRVC3156  Pellaea mucronata var. californica R. H. Whittaker, W. A. Niering 1963-5-30 SJ 89 Riverside Santa Rosa Road. Peninsular Ranges, Santa Rosa Mountains 1585 Comment
  UC42630  Pellaea mucronata var. californica S. B. Parish and W. F. Parish July 1880 6 Riverside San Jacinto Mts Comment
  UC488987  Penstemon centranthifolius C. V. Meyer June 1927 Riverside San Jacinto Mts. ? Comment
  UCR16844  Penstemon centranthifolius Rodney Hendrick 1965-5-2 s.n. Riverside Perris-Aguanga Basin, 5 mi. west of Aguanga on Hwy 71 610 Comment
  CHSC1884  Penstemon pseudospectabilis V. Holt 1942-3-28 Riverside Blythe. 80 Comment
  RSA33846  Penstemon spectabilis N. C. Cooper 1944-6-17 1422 Riverside San Jacinto Mts. above Banning. 1524 Comment
  UCR2892  Penstemon spectabilis Paul W. White 1963-5-9 50963- 16 Riverside San Jacinto Mtns., 0.5 mi east of Cranston Ranger Station on State Hwy 74 [east] of Hemet 610 Comment
  NY661151  Penstemon spectabilis var. spectabilis E. K. Balls 1953-8-19 18534 Riverside 1-1.5 miles west of Anza along highway from Anza to Aguanga 1219.2 Comment
  RSA186207  Pentachaeta aurea L. B. Ziegler 1966-6-25 s.n. Riverside Between Mountain Center and Keen camp Summit 1463 Comment
  RSA430200A  Pentachaeta aurea E. Misquez 1987-4-11 s.n. Riverside Walker Basin: 2 miles on Avenida de Oro from jct. with Rancho California Rd. and 4.7 miles W of I15. 415 Comment
  UCR269176  Pentachaeta aurea subsp. aurea Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5013 Riverside San Jacinto Mountains, Strawberry Creek to the southwest of Strawberry Valley, c. 2.4 air miles southwest of Idyllwild 1534 Comment
  CAS-BOT-BC71581  Pentagramma triangularis subsp. maxonii D. A. Johansen; J. A. Ewan 1932-4-11 7069 Riverside Ravine at mouth of Tahquitz Canyon, Western Colorado Desert Comment
  IRVC3157  Pentagramma triangularis subsp. triangularis R. H. Whittaker, W. A. Niering 1963-6-6 SJ 249 Riverside San Jacinto Mountains; Indian Creek. Peninsular Ranges 640 Comment
  HSC47345  Peritoma arborea R. W. Spjut, Judy Adams 1978-11-22 5236 Riverside Colorado Desert, N of N Palm Springs along Indian Ave. 0 Comment
  UCSB3816  Peritoma arborea Kamb, Peter 1948-4-11 Riverside Banning-Indio Highway east of Whitewater Wash, Coachella Valley 457 Comment
  CAS-BOT-BC77483  Peritoma arborea var. angustata F. O. Ballow 1926-2-25 s.n. Riverside Valley near Banning Comment
  JOTR37437  Perityle emoryi Hodges, Stephen R., T. Hender 2015-12-30 559 Riverside Joshua Tree National Park. Pinto Basin, Black Eagle Mine Road, near Park Boundary (Stop 2) Comment
  RSA656536  Perityle emoryi A. C. Sanders 2000-4-25 23357 Riverside east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles E of Thermal 15 Comment
  UC1428707  Perityle emoryi J. L. Strother 1973-3-23 1154 Riverside e Mecca; Painted Canyon Comment
  CAS-BOT-BC419047  Persicaria lapathifolia Philip A. Munz 1935-10-21 14653 Riverside Santa Ana River below Rincon Comment
  JEPS41242  Petalonyx thurberi Jos. Burtt Davy 1902-4-7 8050 Riverside Salton Comment
  RSA741554  Petunia parviflora Justin M. Wood 2008-9-22 159 Riverside SW Perris Basin; Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  RSA39983  Phacelia affinis L. S. Rose 1937-4-9 37125 Riverside Palms to Pines Hwy, 18miles W of Indio. 1037 Comment
  NY1058212  Phacelia ambigua N. H. Holmgren 1973-3-21 6429 Riverside Big Maria Mountains, 12 airline miles north of downtown Blythe 290 Comment
  RSA113259  Phacelia brachyloba E. K. Balls 1955-4-4 20428 Riverside Chaparral, Ortega Hwy. 8.3 mi. ne. from Orange-Riverside Co. line, Elsinore overlook. 793 Comment
  UCR88298  Phacelia campanularia A. C. Sanders, K. C. Rose 1995-4-5 16369 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  POM178002  Phacelia campanularia subsp. vasiformis Marcus E. Jones 1930-3-15 26506 Riverside Eagle Mountains. Comment
  RSA23218  Phacelia campanularia subsp. vasiformis Ernest Braunton 1940-4-3 2010 Riverside 25 miles Northeast of Indio. Comment
  UCR244297  Phacelia campanularia subsp. vasiformis Jim Andre 2012-4-16 20875 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd., 1.0 mi. north of south entrance to J.T.N.P. 584 Comment
  UCR138574  Phacelia crenulata Steve Boyd, Orlando Mistretta 1986-3-13 1440 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  RSA658623  Phacelia crenulata var. ambigua Trudy R. Ericson 1975-4-26 295 Riverside 2.8 mi. on jeep road which intersects Shivers Wells Road 28mi. east of Mecca on north side of paved road. 366 Comment
  CHSC109015  Phacelia distans Orlando Mistretta; D. Bell, J. Beckman, J. England, K. Kane, et al. 2010-4-12 4408 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) in the vicinity of Bonnie Bell; between N33.94127, W116.64118 and N33.94722, W116.64305. 488 Comment
  HSC78876  Phacelia distans R. F. Thorne, Drs. Fosberg, Sachet, 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
  POM14355  Phacelia distans P. A. Munz, D. D. Keck 1922-4-9 4761 Riverside Shavers Well, near Mecca. 76 Comment
  RSA428216  Phacelia distans Robert Gustafson 1983-3-27 2486 Riverside Dry rocky canyon southwest of Lake Cahuilla . Comment
  RSA593994  Phacelia distans D. L. Banks, E. H. Banks 1996-5-2 938 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, approximately 20 m inside the preserve boundary gate, 3 m E of the main road along a open field. 448 Comment
  UC702030  Phacelia distans Frank W. Gould 1943-4-18 2147 Riverside near Banning (on the Idlewild cutoff) Comment
  POM158465  Phacelia minor P. A. Munz 1927-5-20 10827 Riverside 10 miles S. of Hemet. Comment
  RSA271891  Phacelia minor C. W. Tilforth 1978-4-30 1563 Riverside Low, rounded hills east of Norco. Comment
  SEINET7073405  Phacelia minor A. G. Vestal 1963-4-23 s.n. Riverside About 0.1 mile east of Corner at the base of Gavilans Hills. Coordinate datum: NAD27. Comment
  UCR107393  Phacelia minor B. G. Pitzer 1997-3-23 2948 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
  UCR111551  Phacelia minor Mitch Provance, J. Ross 1999-4-1 1730 Riverside Jurupa Mountains, Johnson Canyon, 0.35 km south of peak 1768 457 Comment
  UCR47234  Phacelia minor B. G. Pitzer, L. F. LaPre 1987-3-2 0441 Riverside Peninsular Range, Bundy Canyon, c. 2 miles SE of Lake Elsinore, 0.5 mile north of Bundy Canyon Road off Raciti Rd. 703 Comment
  RSA280555  Phacelia minutiflora I. L. Wiggins 1941-3-27 s.n. Riverside 4 mi. north of Whitewater. Comment
  RSA550341  Phacelia minutiflora Walter Wisura, John Dolan, M. Wall 1992-3-25 4647 Riverside Low Desert: Ford Dry Lake N of I-10 at Hopkins Well. Comment
  RSA632472  Phacelia ramosissima var. latifolia Scott D. White 1998-6-17 6748 Riverside Gavilan Hills: Along Gavilan Rd. or Santa Rosa Mine Rd.; ca. 7 mi survey route from Gavilan/ Cajalco Rd. jtn. south and east to Santa Rosa Mine/ Post Rd. jtn. Comment
  RSA74835  Phacelia suaveolens subsp. keckii P. A. Munz 1923-6-14 7056 Riverside Glen Ivy Trail to Santiago Peak. 1433 Comment
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Jul 21 2018
  RSA554297  Phalaris minor Scott D. White 1992-2-25 92 -15 Riverside Santa Rosa Plateau, between Sandia and De Luz Creeks, ca. 1.5 (air) mi. W of Sandia Canyon; 7 miles SW of Murrieta. 305 Comment
  CDA2321  Phalaris paradoxa A. C. Sanders, T. B. Salvato 2001-5-25 24374 Riverside west end of Hemet-Ryan airport runway, 50-200 m east of Warren Rd. and 100-200 m north of Stetson Avenue, San Jacinto Valley. Comment
  SEINET245299  Phalaris paradoxa A. C. Sanders, T. B. Salvato 2001-5-25 24383 Riverside San Jacinto Valley; West of edge of Hemet, north side of Hwy 74 (Florida Ave.) at Warren Rd. 457 Comment
  UCR199940  Phalaris paradoxa Scott D. White, Justin Wood 2008-5-13 11954 Riverside Perris Basin, I-215 freeway south of San Jacinto River crossing 431 Comment
  LA9766  Phleum alpinum Martha Hilend; 1928-8-7 sn Riverside Mount San Jacinto, Round Valley, Idllywild Comment
  UC56539  Phlox austromontana H. M. Hall May 17 1901-Jun 1 1901 1912 Riverside Santa Rosa Peak Comment
  JOTR32532A  Phoenix dactylifera La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2540 Riverside Joshua Tree National Park. southwest Eagle Mountains; steep rocky drainage approx. 1.5mi east of Cottonwood Canyon and 1.5mi north of park boundary 815 Comment
  SD152823  Pholistoma auritum var. auritum Steve Boyd 1992-4-15 6870 Riverside Santa Ana Mountains, San Mateo Cyn Wilderness Area. Bluewater Canyon along Bluewater Tr. downstream to the confluence with San Mateo Creek. 334 Comment
  RSA0043168  Pholistoma membranaceum Steve Boyd, Amber Maurice, Pesach Lubinsky, Lel Lubinsky 2003-4-17 10491 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  RSA459299  Pholistoma membranaceum Bonnie C. Templeton 1930-3-22 1649 Riverside Palm Springs. 400 Comment
  SBBG6207  Pholistoma membranaceum C. H. Muller 1952-4-5 9492 Riverside White Water Cyn, 1 mi above Whitewater Comment
  SD236439  Phoradendron bolleanum John F. Green 2008-1-18 Riverside Peninsular Range; Gavilan Hills: 5.5 miles WNW of Perris, c. 0.5 mi. north of Santa Rosa Mine Rd. and 0.75 mi SE of Ida Leona Mine 671 Comment
  OBI12436  Phoradendron californicum Tracey & Viola Call, Viola Call 1962-4-6 2113 Riverside 3 mi NW of Desert Hot Springs Comment
  RSA0104910  Phoradendron californicum Duncan S. Bell, Sarah DeGroot, Cheryl Sevilla 2015-2-10 7749 Riverside Santa Rosa Mountains; a narrow unnamed canyon about 2 air miles south of La Quinta, and about 5 air miles northeast of the summit of Martinez Mountain. 266 Comment
  RSA296149  Phoradendron californicum Barry A. Prigge 1980-8-19 3995 Riverside Whitewater Canyon: 1.0 mi. uostream from trout farm. 747 Comment
  RSA475287  Phoradendron californicum Steve D. Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2103 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  UCR139382  Phoradendron californicum I. M. Johnston 1917-4-4 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Palm Canyon 427 Comment
  RSA717208  Phoradendron densum A. C. Sanders 2004-4-2 27429 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
  UCD102236  Phoradendron leucarpum subsp. tomentosum A. C. Sanders; S. D. Boyd, Mitch Provance, and J. Ross 1998-10-25 22285 Riverside San Jacinto Mtns.: Pine Meadow along Hwy. 74 in Garner Valley (eastern), 1 mi. NW of Hwy 371 junction to Anza. 1441 Comment
  RSA588662  Phoradendron macrophyllum D. L. Banks, Steve D. Boyd 1995-10-17 823 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest; Dripping Springs Campground, campsite #9. Disturbed area around the campsite and campground roadway. 488 Comment
  POM69675  Physalis crassifolia Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  RSA0065519  Pinus coulteri Peter Gail 1961-5-6 s.n. Riverside Idylwild, San Jacinto Mts. Comment
  UC400328  Pinus lambertiana H. M. Hall 1901-1-1 2318 Riverside Tauquitz Peak San Jacinto Mts., Tauquitz Peak Comment
  CAS-BOT-BC78893  Pinus monophylla P. A. Munz; I. M. Johnston 1922-5-7 5267 Riverside Quail Springs, so. edge of [Mohave] Mojave Desert 1066 Comment
  UC667392  Pinus monophylla Annie M. Alexander and Louise Kellogg 1941-5-21 2216 Riverside n slope Eagle Mountains; Colorado Desert, Eagle Mountains 1219 Comment
  RSA221042  Piperia cooperi E. W. Lathrop 1966-5-8 6479 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  CDA22276  Pipturus skottsbergii Carl Yonge 1962-11-2 Riverside Mrs. John Day property, 6582 Mitchell Street, Arlington. 0 Comment
  RSA695838  Plagiobothrys arizonicus J. R. Bruff 1927-3-12 s.n. Riverside San Gorgonio River near Cabazon [note that label reads San Bernardino Co.] Comment
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Mar 13 2011
  UCR92693  Plagiobothrys arizonicus A. C. Sanders, E. J. Lawlor, C. L. Sanders 1996-4-21 18068 Riverside S slope of San Bernardino Mtns, Morongo Indian Reservation, grounds of the Malki Museum, NE of Banning. 732 Comment
  CLARK-A1528-339  Plagiobothrys californicus var. californicus Roberta H. Smith 1969-5-4 26 Riverside Lake Mathews 435 Comment
  SBBG63863  Plagiobothrys canescens M. N. Ackley -May-1929 1298 Riverside Tahquitz Lodge 1524 Comment
  UCR214576  Plagiobothrys canescens A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37857 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.8 mi. north (09 deg. ) of intersection of I-15 and Lake St. 482 Comment
  JOTR32965  Plagiobothrys canescens var. canescens La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2716 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  UCD120788  Plagiobothrys collinus A. C. Sanders; Carolyn Washburn 2001-5-10 24232 Riverside Perris-Aguanga Basin: 1 mi. S of Winchester on the east side of Hwy 79 (Winchester Rd.) just S of Patton Ave. 488 Comment
  UCR135841  Plagiobothrys collinus A. C. Sanders 2004-4-20 27537 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
  UCR139163  Plagiobothrys collinus S. J. Myers 2003-4-22 s.n. Riverside Murrieta Area, hill 1564 between Auld. Rd. and Benton Rd. near Pourroy Rd., south of Alamos School site, north of Tucalota Creek 477 Comment
  UCR97455  Plagiobothrys collinus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19844 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  POM8981  Plagiobothrys collinus var. californicus P. A. Munz, Harwood 1920-3-20 3390 Riverside Elsinore. 396 Comment
  RSA487454  Plagiobothrys collinus var. californicus Bill Wagner 1988-3-9 s.n. Riverside Grain field at Benton Rd. and San Diego aqueduct, 1/2 mile E of Winchester Rd., NE of Murrieta. 412 Comment
  UCR93039  Plagiobothrys collinus var. californicus Steve Boyd 1986-4-2 1595 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR157464  Plagiobothrys collinus var. fulvescens A. C. Sanders 1994-5-30 14614 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  UCR31281  Plagiobothrys fulvus A. C. Sanders, Theo Glenn 1983-4-17 3736 Riverside Santa Ana Mtns., Mesa de Colorado, 5 mi (airline) SW of Murrieta 612 Comment
  POM13580  Plagiobothrys leptocladus P. A. Munz, D. D. Keck 1922-4-15 4988 Riverside Near Moreno. Grain field. 366 Comment
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Mar 20 2011
  SDSU13679  Plagiobothrys nothofulvus Jutta Buschbom 1991-5-1 45 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  POM13801  Plagiobothrys tenellus P. A. Munz 1922-4-30 5133 Riverside Tucalota Creek, south of Hemet Comment
  CLARK-A1045-154  Plagiobothrys undulatus George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains vernal pools near origin of creek; Wildomar 7.5'Q Comment
  RSA757465  Plagiobothrys undulatus R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55209 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road 730 Comment
  SDSU21874  Plagiobothrys undulatus Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3991 Riverside Santa Rosa Plateau Ecological Reserve, near boardwalk overlook. Approximately 1.1 km east of parking area for vernal pool trail, parking lot ca. 4 miles north on road from Visitor's Center. 624 Comment
  UCR222298  Plagiobothrys undulatus R. F. Thorne, E. W. Lathrop, Steve Beckstrom-Sternberg, B. Martin 1982-1 55209 Riverside Peninsular Ranges; Santa Ana Mountains, SW of Murrieta, Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached by De Luz Rd. 579 Comment
  VVC2184  Plagiobothrys undulatus Tim Thomas, Bill Baker 1983-6-30 579 C Riverside Santa Rosa Plateau, Burro Mesa 630 Comment
  RSA388509  Plantago erecta Steve Boyd 1986-5-1 1806 Riverside Perris-Aguanga Basin region SW Perris Basin, Hill west of Skunk Hollow. Comment
  UCR127332  Plantago erecta A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25841 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  HSC86137  Plantago lanceolata B. Freeman 1969-6-28 6906287 Riverside W of Indian Creek, San Jacinto Mts. Comment
  RSA401954B  Plantago lanceolata N. C. Cooper 1944-5-6 1180 Riverside Banning. On lawn at 99 Motel. 701 Comment
  JEPS24430  Plantago ovata Peter M. Ray 1949-3-6 1326 Riverside near 1000 Palms; Coachella Valley, Willis Palms Comment
  JOTR31890  Plantago ovata La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2140 Riverside Joshua Tree National Park. West Cottonwood Mountains; southeast edge of Pinkham Wash, east of Pinkham Canyon Road; rocky flats between small drainages in mouth of Pinkham Wash Comment
  UC1279712  Plantago ovata David B. Dunn 1948-2-21 3686 Riverside n of Pushawalla Comment
  UCR103339  Plantago ovata George K. Helmkamp 1998-2-5 2647 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, 1.1 mi. west of Calif. Hwy 111 on Tramway Rd. 335 Comment
  UCR227087  Plantago ovata Jim Andre 2011-2-9 15927 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  UCR75056  Plantago ovata A. C. Sanders, E. J. Lawlor 1992-4-4 12087 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  VVC2468  Plantago ovata Tim Thomas 2013-3-18 5929 Riverside Sonoran Desert, 12 miles WSW of Blythe; south of I-10. vic of powerline corridor. 145 Comment
  RSA516906  Plantago ovata var. fastigiata Steve Boyd, Orlando Mistretta 1986-3-13 1432 Riverside Palen Mountains; NE of Desert Center, jct. of Parker Dam Rd. and Palen Rd. (road going through pas between Palen and Granite Ranges). 244 Comment
  RSA757782  Plantago patagonica LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4305 Riverside From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  SEINET1909535  Plantago patagonica S. J. Myers 2001-1 Riverside San Jacinto Mtns.: Bautista Canyon (Blackburn Canyon 7.5'). Sandy bank along dirt road across from conservation camp. 853 Comment
  RSA652518  Platanus racemosa T. C. Thomas 1974-7-5 s.n. Riverside Riverside. 366 Comment
  RSA739081  Platystemon californicus Keith E. Hoffmaster 1937-6-6 775 Riverside San Jacinto Mountains. Comment
  UC167976  Platystemon californicus Katharine Brandegee and Charlotte M. Wilder May 12 1905-May 17 1905 Riverside Wilders near Riverside; near Riverside Comment
  SEINET7042762  Platystemon californicus W. P. Vestal, A. G. Vestal 1955-3-25 s.n. Riverside South end of Buck Road, Notheast of Long Valley, south southeast of Winchester. Comment
  CLARK-A1528-3416  Platystemon californicus var. crinitus John C. Roos 1942-5-2 1147 Riverside Joshua Tree National Park Comment
  RSA414075  Pleuraphis rigida Robert Gustafson, Gary D. Wallace 1982-5-19 2567 Riverside Pines to Palms Hwy (Hwy. 74), vicinity of Pinyon Flat campground. Comment
  CAS-BOT-BC326639  Pleurocoronis pluriseta Noel H. Holmgren; Patricia K. Holmgren; Ruth E. Kern 1973-3-20 6412 Riverside 12 airline miles north of downtown Blythe, Big Maria Mountains 289 Comment
  RSA472094  Pleurocoronis pluriseta E. S. Spalding 1926-2-15 s.n. Riverside Painted Canyon. Comment
  RSA5370  Pleurocoronis pluriseta B. D. Stark 1932-6-17 3751 Riverside Canyon above Cottonwood Springs, Eagle Mts., Colorado Desert 305 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
  SD40731  Pleurocoronis pluriseta B. D. Stark 1933-5-13 4983 Riverside Andreas Canyon 760 Comment
  UC336756  Pleurocoronis pluriseta J. G. Lemmon Riverside Colorado Desert side of San Jacinto Peak San Jacinto Peak Comment
  POM31961  Pluchea odorata Patricia Wilder 1970-10-15 4811 Riverside Prado Dam in Prado Flood Control Basin. East of Chino Hills. Santa Ana River Drainage Area. 122 Comment
  CAS-BOT-BC326548  Pluchea sericea H. M. Hall 1901-1-1 s.n. Riverside San Jacinto Mountains Comment
  RSA472128  Pluchea sericea M. B. Dunkle 1933-5-6 3430 Riverside Canyon N of Catherdral Canyon Comment
  UCD90292  Poa annua Alan A. Beetle 1946-6-10 4402 Riverside San Jacinto Mt., Camp Keene Meadow. Comment
  UCR2678  Poa bigelovii F. M. Reed 1920-3-24 4176 Riverside Western Colorado Desert, Murray Canyon, a tributary of Palm Canyon near Palm Springs 305 Comment
  UCR104905  Poa howellii A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20646 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
  UC1930038  Poa pratensis Scott D. White, Justin Wood 2008-5-15 12011 Riverside San Jacinto Mountains: Johnson Meadow. Comment
  UCR162265  Poa secunda S. J. Myers, Chet McGaugh 2003-4-7 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  CAS-BOT-BC242998  Poa secunda subsp. secunda H. M. Hall 1900-6-1 1439 Riverside Lytle Creek Canyon, San Antonio Mountains 1752 Comment
  UC1022815  Poa secunda subsp. secunda Philip A. Munz 15658 Riverside 2 mi n Banning (Indio Blvd); Whitewater Canyon 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
  UCR32578  Polygala cornuta var. fishiae T. L. Wendt, E. J. Lott 1975-6-30 1054 Riverside Peninsular Range; Santa Ana Mountains, Cleveland National Forest, c. 0.1 mi. east of Orange County line along Route 74 in San Juan Canyon, 2 mi. west of the entrance to Upper San Juan Campground 427 Comment
  UCR128894  Polygonum argyrocoleon A. C. Sanders, E. J. Lawlor, Don Pendleton 1992-3-21 12075 Riverside Sonoran (Colorado) Desert, Coachella Valley, Oasis Date Garden, 4.4 miles north of Mecca on Hwy 111 near Ave. 59 -44 Comment
  UC6691  Polygonum douglasii subsp. douglasii H. M. Hall July 1901 2446 Riverside Tauquitz and Tamarack Valleys San Jacinto Mts. 1828 Comment
  CAS-BOT-BC237274  Polypogon monspeliensis H. M. Hall 1901-5-1 s.n. Riverside Elsinore Comment
  CLARK-A1528-87  Polypogon monspeliensis Fred B. Essig 1967-6-22 Riverside Santa Ana River Comment
  UC573864  Polypogon monspeliensis H. S. Yates 1937-6-27 6706 Riverside near Relief Hot Springs; San Jacinto Quadrangle, near Relief Hot Springs Comment
  UCR202603  Polypogon monspeliensis Scott D. White, Justin M. Wood 2008-7-9 12412 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  RSA798600  Polystichum imbricans subsp. curtum R. F. Thorne, E. W. Lathrop 1977-5-18 49757 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  POM13562  Populus fremontii Philip A. Munz, D. D. Keck 1922-4-14 4975 Riverside Whitewater Ranch. Comment
  RSA0036069  Populus fremontii Ivan M. Johnston 1917-4-4 s.n. Riverside Palm Canyon along creek. 457 Comment
  RSA234114  Porophyllum gracile R. F. Thorne, R. Carolin 1967-3-21 41644 Riverside Joshua Tree National Monument: Cottonwood Springs. 915 Comment
  RSA695703  Porophyllum gracile Stephen Bruff 1934-3-28 s.n Riverside Lakeview. Comment
  UC1424872  Porophyllum gracile Robert F. Thorne and R. Carolin 1967-3-21 41644 Riverside Cottonwood Springs Joshua Tree Natonial Monument Comment
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Oct 9 2010
  SEINET4691940  Portulaca oleracea Duncan S. Bell 2012-1 4194 Riverside Rice Valley; east side of the Arica Mountians; approx 6 air miles southeast of the ghost town of Rice and Approx. 5.5 air miles east of Priests Well 202 Comment
  UCR160449  Potamogeton T. W. Fisher, R. E. Orth 1964-6-25 s.n. Riverside San Jacinto Mtns., Lake Hemet near stream 1311 Comment
  UCR105729  Potamogeton pusillus L. C. Wheeler 1961-6-24 7911 Riverside San Jacinto Mountains, Fulmor Lake Comment
  UC70339  Potentilla gracilis Geo. F. Reinhardt June, 1897 Riverside San Jacinto Mountains Comment
  POM33495  Prenanthella exigua Marcus E. Jones 1906-4-26 s.n. Riverside Indio Comment
  UCR179755  Proboscidea louisianica Mike Misenhelter 2006-11-14 s.n. Riverside Hemet, south of Florida Ave. (Hwy 79) at Cawston Ave., in proposed extension of Cawston to Acacia Ave. 462 Comment
  CAS-BOT-BC206979  Prosopis glandulosa var. torreyana Roxana S. Ferris 1918-6-14 963 Riverside By stream at Palm Springs. Comment
  CAS-BOT-BC206980  Prosopis glandulosa var. torreyana Roxana S. Ferris 1918-6-14 975 Riverside Indian Wells Comment
  CAS-BOT-BC206990  Prosopis glandulosa var. torreyana Dr. Barton W. Evermann 1916-5-13 s.n. Riverside Cottonwood Springs Comment
  RSA387390  Prosopis glandulosa var. torreyana Steve D. Boyd 1986-4-10 1646 Riverside Temescal Canyon: Along De Palma Road between Indian Truck Trail and Horsethief Canyon. 1.2 mile E of Indian Truck Trail. 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
  LA47424  Prosopis pubescens Carl Epling; 1932-11-9 sn Riverside Murray Canyon, Palm Springs Comment
  SD230235  Prosopis velutina Louis C. Wheeler 1961-10-8 7933 Riverside Temescal Canyon: at Dawson Canyon Fire Road Comment
  UCR17217  Prunella vulgaris D. Gordon 1952-6-23 s.n. Riverside Riverside Comment
  RSA453217  Prunus emarginata N. C. Cooper 1945-5-24 1665 Riverside Big Oaks Canyon, Banning. 1220 Comment
  SBBG3050  Prunus fasciculata var. fasciculata H. and M. Dearing 1949-4-17 6755 Riverside Morongo Cyn Comment
  UCR90753  Pseudognaphalium biolettii Scott D. White 1995-4-5 2737 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  SD20348  Pseudotsuga macrocarpa Carl Epling Apr 1937 Riverside San Jacinto Mountains, above Herkey Creek Camp Comment
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Jun 24 2009
  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
  UC1260164  Psilocarphus brevissimus var. brevissimus Robert F. Thorne 1974-5-23 44668 Riverside Rancho California, top of Mesa de Colorado Santa Rosa Plateau, Mesa de Colorado 624 Comment
  CLARK-A1528-5672  Psoralea physodes John C. Roos 1960-5-30 Riverside Santa Ana Mountains 1219 Comment
  CAS-BOT-BC353629  Psorothamnus emoryi Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring 60 Comment
  RSA517250  Psorothamnus emoryi Steve D. Boyd 1986-2-18 1320 Riverside Mecca Hills, Colorado Desert: Painted Canyon N of Highway 195. Comment
  SBBG14292  Psorothamnus emoryi E. R. Blakley 1961-9-10 4707 Riverside 20 mi W of Blythe at wash crossing of US Hwy 60-70 106 Comment
  UC555344  Psorothamnus emoryi Herbert L. Mason 1928-3-10 4195 Riverside White Water River Comment
  UCR165295  Psorothamnus emoryi John F. Green 2005-2-4 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 miles east of Desert Beach 24 Comment
  SFV17324  Psorothamnus fremontii J. N. Hogue, J. D. Dilley (269) 1998-4-23 108 .7 Riverside Chuckwalla Mountains. Corn Springs Wash at Corn Spring. 488 Comment
  SBBG22977  Psorothamnus schottii D. Myrick 1965-3-3 1081 Riverside White Tank Public Camp, Joshua Tree Nat Monument 762 Comment
  POM13039  Pterostegia drymarioides P. A. Munz, D. D. Keck 1922-4-13 4948 Riverside Eagle Mountains. 244 Comment
  UCR21525  Pterostegia drymarioides Steve Boyd 1980-4-29 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, c. 0.5 mile NE of the secretary's house 518 Comment
  UCR85245  Pterostegia drymarioides A. C. Sanders, P. J. MacKay, M. Jacobsmyer, C. L. Sanders 1995-3-5 15991 Riverside Sonoran (Colorado) Desert, Orocopia Mtns, Maniobra Valley, 1.6-3 mi. south of frontage road (old Hwy 60) along Interstate 10, S to edge of BLM wilderness 610 Comment
  UCSB49861  Pulicaria paludosa Clarke, O. 1972-9-17 Riverside Santa Ana river bottom Comment
  CLARK-A1528-822  Purshia glandulosa Charlotte Stocks 1964-7-26 Riverside Pinyon Crest 1066 Comment
  RSA773185  Purshia glandulosa Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4920 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
  UCD170875  Quercus Jeremiah George 2012-8-13 s.n. Riverside San Gorgonio Pass/Moreno Badlands, west of Beaumont, just east of junction of 60 Fwy and Jackrabbit Trail, off frontage road dead end. 716 Comment
  UC1135504  Quercus X acutidens A. Lewis 1934-5-1 439 Riverside 1 mi e Ortega Highway; Cleveland National Forest, Elsinore Quad. 944 Comment
  UCR193490  Quercus X morehus A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35609 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mile SW of Fleming Ranch, along dirt track 1555 Comment
  CAS-BOT-BC61822  Quercus agrifolia Samuel B. Parish 1891-11-4 2276 Riverside Rocky Hills, head of Temecula Canon Comment
  SEINET13953018 Image available Quercus agrifolia Scott D. White 1996-1 3874 Riverside Elsinore Basin, Bundy Cyn, SE of Lk Elsinore, about 1 road mi (+/- .2 mi) E of Bundy Cyn Rd exit from I-15 Freeway; USGS Lake Elsinore 1.5' topo map) S of road along mapped intermittent blueline stream [Quercus agrifolia riparian woodland, w/ Salix laevigata, plntanus racemosa] and adjacent N and W facing slopes 451 Comment
  UC5484  Quercus agrifolia Samuel B. Parish 1891-11-3 2253 Riverside Murietta Comment
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Jul 15 2009
  UCR155335  Quercus agrifolia A. C. Sanders, Mike Misenhelter 2005-3-23 29267 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 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
  RSA0097948  Quercus cornelius-mulleri Duncan S. Bell 2014-11-14 7725 Riverside Santa Rosa Mountains; in the Santa Rosa Wilderness area; west side of Martinez Mountain; collecting at Cactus Spring. 1292 Comment
  SD229174  Quercus cornelius-mulleri Dick Schwenkmeyer, Bethany Jenkins 2012-3-7 633 Riverside Mt. San Jacinto 1085 Comment
  UCSB60490  Quercus cornelius-mulleri Steele, Kelly; Wilson, Chris 1982-2-19 Riverside Just off Hwy. 74, south on 7S06 (dirt road), 3.6 miles northeast of the junction of Hwy. 74 and Santa Rosa Mt. Road 1036 Comment
  JOTR31147  Quercus john-tuckeri La Doux, Tasha 2009-6-3 1857 Riverside Joshua Tree National Park. (Stop 2): Little San Bernardino Mountains, Covington Flats Area, Covington Spring 1396 Comment
  RSA0065416  Quercus wislizeni var. frutescens Glenn Stewart 1968-9-21 s.n. Riverside 3 mi. S. Idylwild, San Jacinto Mountains. Comment
  CLARK-A1656-688  Rafinesquia neomexicana Lois Ann Scott 1979-3-2 Riverside Rancho Mirage 91 Comment
  POM13608  Rafinesquia neomexicana E. C. Jaeger 1921-4-1 1137 Riverside Mission Creek Wash, Colorado Desert Comment
  RSA775598  Rafinesquia neomexicana Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 797 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  UCR216679  Rafinesquia neomexicana Jim Andre, T. La Doux 2009-3-10 11240 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  UCR50423  Ranunculus californicus L. F. LaPre, Jack Easton 1988-1-27 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro, Santa Rosa Springs Ranch Comment
  UCR91291  Raphanus sativus Scott D. White, M. Jacobsmeyer 1996-4-20 3978 Riverside Perris Basin, Near Perris Airport, c. 100 m north of Case Road, just west of the I-215 Fwy 433 Comment
  UCR140689  Rhamnus crocea Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 8- 58 Riverside San Jacinto Mtns, San Bernardino National Forest, Hwy 74 near Cranston Guard Station, 10 miles east of Hemet, Site L8 581 Comment
  UCR97482  Rhamnus crocea A. C. Sanders, O. F. Clarke & H. Forster 1997-3-2 19773 Riverside Box Springs Mountains, E side of the range in Pigeon Pass area, above W end of Quail Call Drive, in canyon just west of section line. 610 Comment
  JOTR16836  Rhamnus ilicifolia Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. BARKER DAM 1310 Comment
  UCR156283  Rhamnus ilicifolia T. B. Salvato, Kent Beaman 2005-5-16 857 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
  UC218160  Rhododendron occidentale P. A. Munz 1922-9-6 6383 Riverside North Fork Tahquitz Creek; San Jacinto Mountains, North Fork Tahquitz Creek 2209 Comment
  UCR35109  Rhododendron occidentale L. B. Ziegler 1978-6-21 594 Riverside San Jacinto Mtns, North Fork of the San Jacinto River (Dark Canyon). 1677 Comment
  CAS-BOT-BC200035  Rhododendron occidentale var. californicum Robert F. Thorne; J. P. Simon; C. W. Tilforth 1969-6-24 38120 Riverside San Bernardino National Forest, San Jacinto Mts.: Above & in James Reserve 1676 Comment
  CDA28746  Rhododendron occidentale var. californicum G. F. Hrusa, T. D. Wilfred 1993-6-23 9791 Riverside San Jacinto Mountains; Fuller Mill Creek, immed. upstream from crossing of Idyllwild Panoramic Hwy. 1615 Comment
  UCR97653  Rhus aromatica A. C. Sanders, George K. Helmkamp 1997-3-15 19957 Riverside Lake Skinner area: NE of Skinner Lake in a tributary to Rawson Canyon, along the dirt road 503 Comment
  CAS-BOT-BC170428  Rhus lancea A. C. Sanders; G. Helmkamp 1996-3-17 17982 Riverside Palm Springs, W side of Palm Canyon Dr. just above (S of ) junction with Hwy 111 - Coachella Valley 140 Comment
  RSA403686  Rhus ovata E. Crow 1929-4-7 290 Riverside Santa Ana Mountains, Corona Skyline Drive. Comment
  RSA650223  Rhus ovata G. W. Mason 1949-1-23 s.n. Riverside Found in Batista Canyon 7-10 miles east of Hemet 518 Comment
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Apr 29 2011
  UCR23275  Rhus ovata John C. Roos 1950-10-15 5007 Riverside San Bernardino Mtns., Dry Morongo Canyon, c. l mi south of Riverside-San Bernardino county line 612 Comment
  RSA544412  Rhus trilobata var. pilosissima Steve Boyd, Timothy S. Ross 1991-6-14 6380 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Spings. Comment
  SD229189  Ribes Dick Schwenkmeyer 2012-8-7 779 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  UC484124  Ribes californicum var. hesperium B. D. Stark 1930-2-21 1470 Riverside near Corona (Hidden Canyon); Santa Ana Mts. Comment
  RSA476152  Ribes cereum H. E. Hasse 1892-7-2 s.n. Riverside San Jacinto Mts, Taquitz meadow. Comment
  POM305346  Ribes indecorum Henry J. Ramsey 1938-2-25 672 Riverside Temecula Comment
  UC1608282 Image available Ribes indecorum Steve Boyd, Tim Ross 1993-2-22 7720 Riverside w Perris (in canyon along Santa Rosa road beween Gavilan Plateau and road to Steele Valley); Gavilan Hills 624 Comment
  UCR102727  Ribes indecorum B. G. Pitzer 1998-1-25 3415 Riverside Lakeview Mtns., Reinhardt Canyon, Maze Stone County Park, at N terminus of California Avenue 610 Comment
  CAS-BOT-BC168946  Ribes malvaceum Steve Boyd 1981-3-13 186 Riverside Gavilan Hills region, western flank of Estelle Mountain in steep canyon at the border of NW 1/4 sec. 5 and NE 1/4 sec. 6 609 Comment
  SDSU20377  Ribes montigenum Michael G. Simpson, Matt Guilliams, Michael Silveira, Lori Simpson 2007-6-25 2901 Riverside San Jacinto mountain, ca. 100 feet northeast of peak. 3287 Comment
  UCSB2647  Ribes nevadense Newby, Ron 1959-5-16 Riverside 10 miles N of Idyllwild on hiway to Banning; in the San Jacinto mountains 1828 Comment
  RSA446204  Romneya coulteri Gale Sphon 1955-3-7 s.n. Riverside 3 miles east of Lake Elsinore. Comment
  UCR228820  Romneya coulteri A. C. Sanders 2011-4-26 39319 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon between Glen Eden and Horsethief Canyon 412 Comment
  RSA180385  Rosa californica E. W. Lathrop 1960-6-9 4976 Riverside 14 miles west of Murrieta. Comment
  UCR195111  Rosa californica A. C. Sanders, Tim Thomas 2008-8-1 35943 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1402 Comment
  UCD113773  Rubus armeniacus Robert F. Thorne; Walter Wisura, Earl Lathrop, and Sara Meury 1985-5-18 60640 Riverside Santa Rosa Plateau, at Santa Rosa Ranch headquarters. 563 Comment
  RSA0034264  Rumex John F. Emmel 1991-8-10 1194 Riverside San Jacinto Mts.; along north shore of Lake Hemet, near Picnic Area; NW 1/4 S8, T6S, R3E. 1319 Comment
  UCR91544  Rumex dentatus Chet McGaugh 1996-4-26 s.n. Riverside San Jacinto Valley, Hemet, 0.25 mi west of State St., between Esplanade and Cottowood 465 Comment
  RSA596773  Rumex hymenosepalus D. L. Banks, K. D. Hedge 1996-5-16 1043 Riverside NW Palomar Mountains; Agua Tibia Mountains; N foothills of Dorland Mtn., S of Temecula Creek; 0.4 miles E of Pauba Road on the N side of Los Caballos Road, along the broad, sandy, southern alluvial bench of Temecula Creek. 370 Comment
  UCR136280  Rumex hymenosepalus A. C. Sanders, Guy Bruyea 2004-4-2 27438 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
  UCR119443  Rumex maritimus A. C. Sanders, Mitch Provance 1999-9-26 23099 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  POM184904  Salix exigua H. P. Bracelin 1932-4-12 602 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  RSA689522  Salix exigua Scott D. White, Brian Leatherman 2002-6-10 8781 Riverside Whitewater river canyon, ca. 1 mi below trout farm 628 Comment
  SJSU162  Salix exigua Mrs. H. P. Bracelin 1932-4-12 600 Riverside E side of bridge over Santa Ana R, 4.8km N of Arlington on rd to Pedley, W of Riverside 243 Comment
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Mar 26 2011
  SBBG58920  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-12 600 Riverside E side of bridge over Santa Ana River, 4.8 km N of Arlington on rd to Pedley, W of Riverside 240 Comment
  POM202536  Salix gooddingii Philip A. Munz 1932-3-24 12032 Riverside North of Elsinore 305 Comment
  CLARK-A1528-5201  Salix hindsiana var. leucodendroides John C. Roos, Lucille Roos 1952-3-1 5382 Riverside Moreno Comment
  POM295748  Salix laevigata Lyman D. Benson 1946-4-15 12046 Riverside Canyon on Twenty-nine Palms Road from Whitewater. 457 Comment
  SD232797  Salix laevigata A. C. Sanders, S. Hawkins, J. Goetzen & D. Freeman 1996-5-1 18102 Riverside San Bernardino Mtns.: Morongo Indian Reservation, vicinity of natural pond & bog at SE edge of Burro Flats. 1096 Comment
  SD80102  Salix laevigata Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-24 391 Riverside Sandy bay at foot of falls above crossing of water service road, Deep Canyon, N slope Santa Rosa Mts 1317 Comment
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Jun 19 2013
  SEINET242059  Salix laevigata A. C. Sanders, T. B. Salvato 2001-3-30 23857 Riverside Perris-Aguanga Basin region: Temecula, Long Canyn W of Del Rey Rd, along bottom of canyn W of junxn of Av. Pina Colada 366 Comment
  UC57071  Salix laevigata H. M. Hall Apr. 1902 2940 Riverside vicinity Riverside (along Santa Ana River); Santa Ana River 243 Comment
  UC914199  Salix laevigata Charles B. Fiker 1946-4 3358 Riverside road dip s. of Temecula bridge (Hwy. 395) Comment
  UC717267  Salix lasiolepis W. A. Setchell and Victor Duran 1935-4-17 7 Riverside 6 mi from Hemet (on way to Aguanga) Comment
  UCR21837  Salix lasiolepis Steve Boyd 1980-7-16 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, west edge of the reserve c. 1/4 mile north of the Motte's house 520 Comment
  RSA92622  Salix lasiolepis F. W. Peirson 1922-6-29 5437 Riverside Tahquitz Valley. 2134 Comment
  SDSU13633  Salsola tragus W. Miller with C. Mosse 1972-7-12 Riverside Northwest corner, west of woodland (west of R.C. Weather Station). Comment
  RSA501031  Saltugilia australis Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3151 Riverside Agua Tibia Mountains. Vail Lake area, recent burn in hills just to SW of the dam. 487 Comment
  SD234486  Saltugilia australis A. C. Sanders, P. J. MacKay, Tim Thomas 2003-5-18 26759 Riverside San Bernardino Mtns.: Cleghorn Road, 0.5 mi. NE of Cajon. 1006 Comment
  UCR236900  Saltugilia australis Duncan S. Bell, Lucila Reccia 2010-5-5 966 Riverside San Jacinto Mountains, San Bernardino National Forest, Rouse Ridge, c. 1.4 air mi southeast of junction of Hwy 74 and FS Road 5S15 791 Comment
  RSA0094961  Saltugilia australis P. A. Munz 1926-5-2 10424 Riverside 5 miles NW of Dripping Spring. Comment
  SEINET3859080  Saltugilia latimeri Leigh A. Johnson 1992-5-15 92- 021 -GH Riverside Pinyon Flats. Pinyon Drive, off of Hwy 74 past the Pinyon Flats Campground, after road turns left, 1/2 way between Palm Canyon Drive and Jeraboa Road. About 100-200 yards off the road on the N side around a rocky outcrop. Area under development and site may one day have a house on it.; 0 1261 Comment
  RSA469680  Saltugilia splendens N. C. Cooper 1944-7-16 1560 Riverside San Jacinto Mountains, above Pine Cove. 2073 Comment
  RSA469681  Saltugilia splendens Robert L. Rutherford 1945-5-24 1655 Riverside Big Oaks Canyon, Banning. 1220 Comment
  POM13845  Salvia apiana E. C. Jaeger 1921-7-15 s.n. Riverside Massacre Canyon Comment
  RSA618409  Salvia apiana D. L. Banks 1997-5-5 1967 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  UCR241823  Salvia apiana A. C. Sanders, Timothy W. Chumley 2013-4-2 40754 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., south of I-15 Fwy, SE of Corona (Lee) Lake 405 Comment
  HSC38751  Salvia columbariae A. M. Montalvo, J. D. Ackerman 1975-6-26 521 Riverside Hwy. 74 between San Juan Capistrano and Lake Elsinor near Upper San Juan Campground Comment
  POM305796  Salvia columbariae Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1063 Riverside Corona-Elsinore. Comment
  RSA770849  Salvia columbariae Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4939 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
  UCR183012  Salvia columbariae Mitch Provance 2003-5-5 4419 B Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCR98066  Salvia columbariae A. C. Sanders 1997-3-1 19713 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  CHSC35477  Salvia eremostachya James Henrickson 1973-3-18 8612 Riverside Ca 33 (air) miles E of Temecula, 5-7 miles SE of Terwilliger, at N end of Coyote Canyon Road, on the first steep grade down the canyon. 792 Comment
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Nov 29 2014
  LA69691  Salvia eremostachya Elizabeth McClintock; 1941-5-30 sn Riverside Coyote Canyon, near Tule Creek Comment
  RSA580344  Salvia eremostachya L. Haines, L. Erickson 1937-4-10 s.n. Riverside Palms to Pines Hwy near road to Shumway. Comment
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Dec 17 2011
  RSA6729  Salvia eremostachya B. D. Stark 1933-4-2 4537 Riverside 3 miles below Pinyon Flats, San Jacinto Mts. (Palms to Pines Road). 1067 Comment
  RSA776183  Salvia greatae Amber Swanson, Duncan S. Bell 2011-3-20 249 Riverside N of the Bradshaw Trail between Coachella Canal Rd and Red Canyon. N of the Chocolate Mtns. 198 Comment
  RSA522724  Salvia mellifera Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3829 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
  UCLA69967  Salvia mellifera unknown 1905-5-15 828 Riverside Wilder's Canyon 320 Comment
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Feb 3 2013
  UCR251936  Salvia mellifera Harun Bektas 2011-4-26 15 Riverside Riverside, Box Springs Mountain Park; 7 miles above Moreno Valley via Pigeon Pass Rd. 793 Comment
  RSA0034496  Salvia mellifera A. L. Haines 1951-5-19 5139 Riverside Bautista Wash. San Jacinto Mts. 609 Comment
  UC574890  Salvia mohavensis C. Epling and Wm. Robison 1933-6-26 Riverside Key's View; Little San Bernardino Mountains 1524 Comment
  UCR143464  Salvia mohavensis Carl Epling, Wm. Robison 1933-6-26 s.n. Riverside Southern Mojave Desert, Little San Bernardino Mtns., Key's View 1524 Comment
  UCLA49888  Salvia pachyphylla C. Epling 1938-8-14 Riverside Santa Rosa Mountains Comment
  JOTR29386  Salvia vaseyi La Doux, Tasha, Mike Bell 2006-5-10 1463 Riverside Joshua Tree National Park. East Deception Canyon Comment
  UCR16807  Salvia vaseyi B. A. Carlson 1978-4-22 s.n. Riverside Santa Rosa Mtns, 5 mi. south of Palm Desert, east of Hwy 74 488 Comment
  RSA477537  Sambucus caerulea N. C. Cooper 1949-6-24 4312 Riverside West of Pinon Flats, San Jacinto Mountains. 1524 Comment
  POM4389  Sambucus mexicana O. W. Robinson 1916-3-29 s.n. Riverside Burton's Canyon south of Lake Elsinore. Comment
  RSA601087  Sambucus mexicana A. C. Sanders, J. Goetzen 1996-5-1 18126 Riverside San Bernardino Mtns.: Morongo Indian Reservation, along dirt road in Hathaway Crk., N of Banning. 792 Comment
  SEINET3208882  Sambucus nigra subsp. caerulea G. Goodwin 2012-6-14 3436 Riverside San Jacinto Mountains, 3 miles south of Banning along highway 243 910 Comment
  RSA596535  Samolus parviflorus D. L. Banks, Lauren Raz 1996-8-29 1139 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along Arroyo Seco, N of Wildhorse Peak, before the drainage bends to the S. 549 Comment
  UCR160530  Sanicula arguta John F. Green 2005-2-24 s.n. Riverside Santa Ana Mtns Region, Santa Rosa Plateau, just SE of Redonda Mesa and SW of Mesa de Colorado, 9.6 acre parcel south of the junction of El Cerezo Road and Corona Cala Camino 793 Comment
  RSA192211  Sanicula bipinnatifida E. W. Lathrop 1959-4-2 4414 Riverside Cleveland National Forest, Trabuco District, Tenaja Guard Station, slopes of Tenaja Canyon. Comment
  UCR79241  Sanicula tuberosa Steve Boyd 1992-4-15 6863 Riverside S Santa Ana Mtns, San Mateo Canyon Wilderness: Bluewater Canyon 412 Comment
  UCR89491  Sanicula tuberosa Steve Boyd, T. Ross 1993-3-23 7908 Riverside Peninsular Range, Palomar Range south of Vail Lake at the N base of Agua Tibia Mtn. 735 Comment
  CAS-BOT-BC466220  Sarcodes sanguinea Peter H. Raven 1959-5-18 14240 Riverside San Jacinto Mts: Lake Fulmor Comment
  RSA0042170  Schismus arabicus Duncan S. Bell, Evan Meyer 2014-4-2 6516 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  UCR166018  Schismus arabicus Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  CAS-BOT-BC243458  Schismus barbatus Peter H. Raven 1958-1-23 11411 Riverside 2.7 miles west of Whitewater Post Office Comment
  UCR89763  Schoenoplectus acutus var. occidentalis Scott D. White 1993-5-27 1435 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  POM1402  Schoenoplectus maritimus I. M. Johnston 1918-4-27 1866 Riverside Wildomar. 366 Comment
  RSA366085  Schoenoplectus maritimus Lester H. Cushman 1932-5-8 s.n. Riverside Near Pedley, close to Santa Ana R. [River]. Comment
  UCR116419  Scrophularia californica A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24189 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
  UCR19642  Scutellaria bolanderi H. A. Zuill 1966-6-19 231 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau; Cole Canyon, 1-2 miles WSW of Murrieta Comment
  RSA0074745  Sedum spathulifolium Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8650 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  POM6471  Selaginella bigelovii Ivan M. Johnston 1918-4-3 1824 Riverside Lakeview Mountains: south end of Juniper Flat 609 Comment
  RSA683697  Selaginella bigelovii Louis Cutter Wheeler 1933-12-2 2298 Riverside Tahquitz Canyon 244 Comment
  UCR92056  Selaginella bigelovii Scott D. White 1996-3-31 3857 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
  UCR59500  Senecio californicus Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3236 Riverside Peninsular Range, Vail Lake area, sandy valley at NE end of lake, north of Wilson Creek 488 Comment
  CHSC7465  Senecio flaccidus var. douglasii Robert Ediger 1966-8-11 531 Riverside Along C. 71; 5 miles N.W. of Alberhill. Roadside. Comment
  RSA263695  Senecio flaccidus var. douglasii E. W. Lathrop 1976-11-1 7600 Riverside Bedford Truck Trail of the Cleveland National Forest, Trabuco District. 915 Comment
  UCR244440  Senecio flaccidus var. monoensis Jim Andre 2012-4-16 20930 Riverside Mojave/Sonoran Desert Transition, Joshua Tree National Park; along Cottonwood Springs Rd, 2.4 mi. north of Cottonwood Visitor's Center 956 Comment
  RSA614174  Senecio ganderi D. L. Banks 1997-2-17 1285 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Approximately 200 m east of Magee Truck Trail, along a crushed bruch track from a native Stipa grassland at the southern border of the reservation., Just north of the Riverside / San Diego County line border. 481 Comment
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Jun 4 2012
  SD143525  Senecio vulgaris W. L. Halvorson 1977-3-13 77 173 Riverside Rolling hills near Temecula Comment
  UCR265599  Senecio vulgaris Jordan Zylstra 2014-3-18 14014 Riverside San Jacinto Mountains, Apple Canyon, west of Apple Canyon Road 1453 Comment
  SD48392  Senegalia greggii E. K. Balls, P. C. Everett 1957-8-20 22664 Riverside Morongo Pass, 8.75 miles north along the road to 29 Palms from the junction with US Hwy 60/70/99, in dry rocky wash & cliffs 640 Comment
  SFV7916  Senna armata T. Gordon, K. A. Wilson, M. H. Grayum, G. Poseley 1976-4-30 1279 Riverside Along roadside at Chiriaco Summit. 521 Comment
  UC465735  Sesuvium verrucosum J. E. Roadhouse Aug. 1905 505 Riverside California Ave. Riverside Comment
  HSC82844  Setaria verticillata A. C. Sanders 1985-8-24 5948 Riverside Lower Coachella valley near Oasis on the dirt extension of Ave. 76, 0.4 mi E of Hwy 195, along the S side of a large drain flowing toward the Salton Sea -55 Comment
  LA106014  Setaria verticillata A. C. Sanders; 1988-11-6 8740 Riverside Coachella Valley, W side of Hwy 86, 6.25 mi S of its junction with Hwy 111 in Coachella and 3.85 mi N of Valerie Jean, 0.55 mi N of Ave 60 -35.0 Comment
  CLARK-A1528-618  Sida leprosa var. hederacea Ruth Cooper 1941-6-8 70 K Riverside Perris Comment
  CLARK-A1528-619  Sidalcea malviflora subsp. malviflora Charlotte Stocks 1962-5-23 Riverside San Jacinto Mountains Comment
  RSA162852  Sidalcea malviflora subsp. sparsifolia John Olmsted 1958-6-15 176 Riverside May Valley Truck Trail 2 mi. SE of Saunder s Meadow SW of Idyllwild Calif. (turn S from Idyllwild-Hemet Rd. at Idyllwild school.) 1646 Comment
  CAS-BOT-BC109437  Sidotheca caryophylloides James L. Reveal; Barbara J. Ertter 1976-6-30 4572 Riverside San Jacinto Mountains, along California Highway 243 at the turnoff to Black Mountain north of Idyllwild. 1615 Comment
  CAS-BOT-BC434388  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
  UCR96875  Silene gallica Scott D. White 1993-4-25 1268 Riverside Santa Rosa Plateau, Jensen Porperty; over ridge from Nature Conservancy reserve, near Avocado Mesa Road and Calle De Mucho Comment
  RSA701677  Silene laciniata subsp. major Steve Boyd, Valerie Soza 2004-6-22 11555 Riverside Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along forest service road 5N13 near 5N06. 1463 Comment
  UCR68717  Silene multinervia Steve Boyd 1990-5-11 4628 Riverside Agua Tibia Mountains, Cleveland National Forest, base of Agua Tibia Mtn, east of Dripping Springs campground, south of Hwy 79 671 Comment
  POM2690  Simmondsia chinensis I. M. Johnston 1917-4-4 1081 Riverside Palm Canyon. 366 Comment
  JOTR00882  Simmondsia chinensis Sipe, Frank 1958-3-7 245 Riverside Joshua Tree National Park. WEST EDGE OF PINTO BASIN Comment