Search Results — 2000 specimen records retrieved (1892 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA519128  Abies concolor F. C. Vasek 1977-11-25 771125 -5 Riverside San Jacinto Mountains, area around Boulder Basin Campground, just below Black Mountain Look Out. Comment
  SEINET13289891 Image available Abies concolor S. R. Hill, Kramer, K. 2001-1 33472 Riverside San Jacinto Wilderness, west of Palm Springs, trails at terminus of Palm Springs Aerial Tramway Comment
  HSC16147  Abronia villosa C. E. Fellows 1965-4-15 58 Riverside Just inside N city limits, Palm Springs, on Hwy. 111 Comment
  RSA462259  Abronia villosa A. N. Dunn, A. Martin 1932-3-26 s.n. Riverside Coachella Comment
  SD204919  Abronia villosa Sarah J. De Groot, J. Mark Porter 2006-3-14 5203 Riverside North foot of San Jacinto Mountains, between Snow Creek Road and Highway 111. 351 Comment
  UC665887  Abronia villosa Ira L. Wiggins 1941-3-24 9568 Riverside 0.3 mi s Myoma (4.6 mi n of Indio) Comment
Read comments
Jun 5 2011
  UCD109833  Abronia villosa R. L. Smith 1948-3-24 s.n. Riverside Foot of Andreas Canyon. Comment
  UCR100573  Abronia villosa George K. Helmkamp 1997-11-1 2517 Riverside Sonoran (Colorado) Desert, Bermuda Dunes, 41st St and Sparky (just east of Washington and south of I-10) 30 Comment
  CAS-BOT-BC310319  Abronia villosa var. aurita Duncan S. Bell 2012-3-8 3141 Riverside Southern section of the Mecca Hills; north side of the canal, approximately 4.75 air miles southeast of where Box Canyon Road crosses the Coachella Canal 16 Comment
  RSA784775  Abronia villosa var. aurita Duncan S. Bell 2012-3-18 3179 Riverside The Mecca Hills; southeastern section of hills; up the east fork of Hidden Springs Canyon, approximately 1.75 air miles southwest of Hidden Spring. 95 Comment
  RSA749943  Abronia villosa var. villosa Justin M. Wood 2009-3-26 410 Riverside [Coachella Valley:] Bermuda Dunes; Avenue 38, between Washington St and I-10. 37 Comment
  RSA760812  Abronia villosa var. villosa Thomas Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-27 171 Riverside Mecca Hills Wilderness. Off Box Cannyon Rd (66th st) (Hwy 195). Campground E of Mecca. 198 Comment
  SD129314  Acacia dealbata John Adams 1966-3-12 434 Riverside Hwy 74 above Lake Elsinore, toward Capistrano. 609 Comment
  RSA554009  Acacia greggii var. arizonica A. C. Sanders, E. J. Lawlor 1992-4-4 12142 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  UCD50439  Achnatherum hymenoides F. M. Reed 1921-3-19 5671 Riverside California, Riverside County. Salt Creek Wash, Colorado Desert. east of Mecca. 213 Comment
  UCD50442  Achnatherum hymenoides F. M. Reed 1907-4-1 2916 Riverside Palm Springs. Comment
Read comments
May 1 2011
  SEINET10376003 Image available Achnatherum parishii Marc A. Baker, Michelle Cloud-Hughes 2011-6-10 17356 Riverside Along Morris Ranch Road, 400m north of Kenworthy Station, 4km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain. 1420 Comment
  UC39993  Achnatherum parishii H. M. Hall 1901-6 2309 Riverside near Tauquitz; San Jacinto Mountains 2133 Comment
  CAS-BOT-BC29928  Achyrachaena mollis Steve Boyd 1986-3-9 1382 Riverside Temescal Canyon: Alberhill Mtn., south slope of mtn. just east of claymine area 487 Comment
  UCR151367  Achyrachaena mollis Steve Boyd 2001-4-12 10411 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
  RSA688912  Achyronychia cooperi Scott D. White 2001-4-18 8355 Riverside Coachella Valley: Palm Springs. NE corner of Sunrise Dr. and San Raphael Dr. (Palm Springs) 152 Comment
  RSA696573  Achyronychia cooperi Mary Edmunds 1932-3-25 s.n. Riverside Colo. Desert-Coachella Valley. Oasis near sea level. Comment
  SD8105  Achyronychia cooperi S. B. Parish, W. F. Parish Apr 1882 Riverside Agua Caliente, Palm CaA'on of San Jacinto Mountain. Comment
Read comments
Jul 16 2010
  SEINET3156338  Achyronychia cooperi L. A. Greata 1905-1 497 Riverside Colorado desert Comment
  UCR103321  Achyronychia cooperi George K. Helmkamp, E. A. Helmkamp 1998-2-5 2651 Riverside Sonoran (Colorado) Desert, Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  SEINET5334410  Achyronychia cooperi N. H. Holmgren, Patricia Kern Holmgren; Ruth E. Kern 1973-3-22 6469 Riverside Rice Valley, 7 miles south-southwest of Rice. 274 Comment
  SDSU14187  Acmispon argophyllus var. argophyllus Michelle Perl 2002-4-20 12 Riverside Santa Margarita Ecological Reserve 1/8 mile east of the junction between Santa Margarita River and Via Tornado Road. North of Santa Margarita River. 233 Comment
  SDSU13314  Acmispon glaber var. brevialatus Shawn Johnston, Calf. Taxonomy Class spring 2000 2000-4-1 11 Riverside Found on the side of the dirt road which leads down to the river on the North side. Comment
  SBBG3411  Acmispon heermannii var. heermannii H. and M. Dearing 1942-3-17 4833 Riverside Dos Palmas Cyn, near Palms to Pines Hwy Comment
  CHSC110683  Acmispon micranthus Dean Wm. Taylor 2003-5-7 18530 Riverside Lakeview Mountains, 0.4 air miles SSE of Nuevo Benchmark, under electrical transmission line corridor. 624 Comment
  SD137780  Acmispon micranthus Darin L. Banks, Steve Boyd 1995-4-5 136 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain east of the Dripping Springs Alcove along the Dripping Springs Trail, open hillside 609 Comment
  SBBG45066  Acmispon rigidus I. W. Clokey 1935-4-17 6711 Riverside Cottonwood Spring Comment
  RSA0110193  Acmispon strigosus Duncan S. Bell, Amanda Turek 2010-4-9 786 Riverside East side of the Arica Mountains, near the center of the range; approx. 1.75 air mile west of Priest Well. 485 Comment
  SBBG16167  Acmispon strigosus H. and M. Dearing 1939-2-10 4630 Riverside Painted Cyn, E of Mecca Comment
  SD44851  Acmispon strigosus Darley F. Howe 1952-4-6 2178 Riverside 12 miles east of Mecca Comment
  SJSU10339  Acmispon strigosus R. C. McGehee 1970-4-15 203 Riverside Wileys Well, Wileys Well Rd, 20 mi SW of Blythe via Hwy 60 Comment
  JOTR33127  Adenophyllum porophylloides La Doux, Tasha, Mike Bell 2003-10-17 1124 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Wonderland of Rocks; Wonderland Wash, active wash corridor with sandy bottom, surrounded by granitic outcrops and pediments 1310 Comment
  SDSU13509  Adenostoma fasciculatum var. fasciculatum W. Miller with C. Mosse 1972-7-20 Riverside West edge of aqueduct clearing overlooking view (S. gate). Comment
  RSA651244  Adenostoma sparsifolium N. R. Zabriskie, Walter Zabriskie 1971-8-20 430 Riverside North side of canyon ca 350 yds above 1st turnout, east side Santa Rosa Mtn. Rd. southe of Hwy 74, Palm Canyon drainage, Santa Rosa Mts. 1524 Comment
  UC1127730  Adenostoma sparsifolium A. E. Wieslander 1936-8-28 677 Riverside ridge n. of South Fork of San Jacinto R.; San Bernardino Nat'l Forest, San Jacinto Quad. Comment
  UCR23515  Adenostoma sparsifolium John C. Roos 1936-9-15 2514 Riverside San Jacinto Mtns., Near the summit of the Pines to Palms Hwy 1494 Comment
  UCR18785  Adiantum capillus-veneris John C. Roos 1948-5-15 3850 Riverside Sonoran (Colorado) Desert, Eagle Mountains, upper Lost Palms Canyon 1037 Comment
  CHSC98419  Agathis robusta A. C. Sanders; Mitch Provance, T. B. Salvato 2001-5-1 24070 Riverside San Bernardino Valley region: Riverside, UCR campus, entomology shop on S Campus Dr. 335 Comment
  UCR45940  Ageratina adenophora Barbara J. Fuchs 1968-5-12 70 Riverside Peninsular Range; Santa Ana Mtns., Hwy 74, 15 mi west of Lake Elsinore, Cleveland National Forest 610 Comment
  POM1145  Agrostis idahoensis H. M. Hall 1897-8-10 784 Riverside Tahquitz Valley. 2652 Comment
  UCR2121  Agrostis scabra F. M. Reed 1920-7-10 6009 Riverside San Jacinto Mtns., Ridge south of Camp Emerson 1524 Comment
  UCD117159  Ailanthus altissima Earl W. Lodthrop 1977-5-19 7681 Riverside Santa Ana Mountains. Base of Sierra Peak, facing Santa Ana Canyon, 1 mile NE of Coal Canyon. 167 Comment
Read comments
Apr 27 2013
  RSA343883  Aira caryophyllea S. Meury, Walter Wisura, E. W. Lathrop 1985-5-18 60656 Riverside Santa Rosa Plateau: at edge of Cleveland National Forest. 610 Comment
  JEPS13818  Alhagi maurorum F. M. Turner 1915-7-19 Riverside Mecca Comment
  RSA703739  Aliciella latifolia LeRoy Gross 2005-3-3 1559 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  SD70778  Aliciella latifolia David B. Dunn 1948-2-21 3672 Riverside Pushawalla. Comment
  RSA701165  Allionia incarnata Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11227 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  RSA709867  Allionia incarnata Scott D. White, Jennifer H. Jones 2005-4-21 10942 Riverside Eastern Coachella Valley. Bajada beneth Mecca Hills, just east of Coachella Canal. Proposed for expanded gravel mining. 24 Comment
  RSA776336  Allionia incarnata Duncan S. Bell, Amanda Turek 2010-4-10 819 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  UCR163053  Allionia incarnata B. G. Pitzer, G. R. Ballmer 2000-10-14 4216 Riverside Sonoran (Colorado) Desert, south of eastern Ford Dry Lake, south side of Hwy I-10 along gasline road, 0.5-0.75 mi. east of Ford Lake Rd. exit, c. 22 miles west of Blythe 115 Comment
  CAS-BOT-BC540730  Allionia incarnata var. incarnata Sarah J. De Groot; Amy Rouillard 2015-9-15 7559 Riverside Ford Dry Lake, Chuckwalla Valley, N of I-10 106 Comment
  RSA0000107  Allium haematochiton J. C. Marvin 1921-4-1 3408 Riverside Near Banning. Comment
  UCR174121  Allium haematochiton A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32612 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UCR281233  Allium haematochiton Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-28 317- 49 Riverside Temescal Valley, Southern foot of the Gavilan Hills, vicinity of Black Powder Rd., slopes adjacent to N side of the horse track 393 Comment
  UCR281245  Allium haematochiton Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-27 317- 72 Riverside Temescal Valley, North side of Concordia Ranch Rd., slopes just east of Black Powder Rd. 393 Comment
  UCR42430  Allium munzii Steve Boyd 1986-4-20 1725 Riverside Gavilan Plateau, Gavilan Hills, hillside south of Harford Springs County Park. 616 Comment
  UCR193316  Allophyllum A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35595 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek watershed, along foot trail from May Valley Road toward mapped spring 1560 Comment
  UCD118012  Allophyllum divaricatum A. C. Sanders; P. MacKay, T. Thomas, O. Clarke 1997-5-4 20633 Riverside San Jacinto Mountains: N side along Hwy 243, 1.5 miles below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740. 1067 Comment
  SEINET10940478  Amaranthus David B. Dunn 1947-10-9 Dunn 3527 Riverside Joshua Tree National Monument at campground area by Hidden Valley. Comment
  SD146066  Amaranthus arenicola T. B. Salvato, A. C. Sanders 2000-4-27 60 Riverside Coachella Valley; between Filmore and Buchanan on Avenue 56. 11 Comment
  SEINET3080605 Image available Amaranthus blitoides Ed LaRue 1989-4-21 Riverside Moreno Valley, Univ. of CA agricultural experimental farms, ca. 1/2 mi S. of Alessandro Blvd. near corner of Cactus Ave. & Nason St. Comment
  UCR281910  Amaranthus fimbriatus A. C. Sanders, Jim Malusa 2017-9-21 43352 Riverside Sonoran (Colorado) Desert, northern boundary of Chocolate Mountains Aerial Gunnery Range along south side of Bradshaw Trail at large wash crossing 680 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
  CAS-BOT-BC13614  Ambrosia acanthicarpa Lewis S. Rose 1966-12-11 66094 Riverside Palm Springs 152 Comment
  RSA425023  Ambrosia acanthicarpa J. C. Roos 1965-9-26 s.n. Riverside Hemet Valley, San Jacimto Mtns. Comment
  UC1518845  Ambrosia acanthicarpa Robert F. Thorne, Kay L. Wright and Richard K. Benjamin 1982-10-8 55355 Riverside near, in wash between new and old hwy bridges and along Whitewater River Whitewater Post Office; San Bernardino Mts., Whitewater River, Whitewater Canyon 411 Comment
  UCD128860  Ambrosia acanthicarpa Lewis S. Rose 1966-12-11 66094 Riverside Palm Springs. 152 Comment
  CAS-BOT-BC22609  Ambrosia dumosa J. T. Howell 1928-3-25 3538 Riverside Painted Canon [Canyon], Colorado Desert Comment
  RSA655079  Ambrosia dumosa Scott D. White 2000-3-23 7639 Riverside Coachella Valley, Thousand Palms area: N terminus of Rio del Sol Road at intersection with Vista Chino. Proposed aggregate mine expansion. 152 Comment
  UCR238482  Ambrosia dumosa Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-22 168 Riverside Sonoran (Colorado) Desert, McCoy Wash, north of Hwy I-10, road north from Black Rock Road, south side of private land boundary 244 Comment
  RSA0130720  Ambrosia dumosa Glen Rink 2013-3-19 11891 Riverside About twelve west of Blythe, at the site of the proposed Quartzite solar power plant. 105 Comment
  SD152960  Ambrosia psilostachya Steve Boyd, Tim Ross and Dave Bramlet 1992-9-9 7659 Riverside Southern Santa Ana Mountains; upper San Mateo Canyon from the junction of Tenaja Road and Los Alamos Road at the confluence of Los Alamos Creek. 395 Comment
  UCR172727  Ambrosia pumila A. C. Sanders, John F. Green 2006-5-18 32367 Riverside Temecula/Murrieta Region, SE of Murrieta Hot Springs along San Diego Aqueduct and powerline route, south of intersection of Chandler and Suzi Rds. and south of Murrieta Hot Springs Rd., side canyon dropping toward Santa Gertrudis Creek, 1 mile SW of Skunk Hollow 366 Comment
  UCR250205  Amorpha fruticosa var. occidentalis A. C. Sanders 2014-4-23 41058 Riverside Peninsular Range, Temescal Valley, along Hostettler Rd. near Temescal Canyon Rd. and I-15, at bend in Hostettler Rd. 363 Comment
  CDA40436  Amsinckia eastwoodiae K. Frick 1962-3-14 s.n. Riverside South end of Hemet Valley. 0 Comment
  POM3931  Amsinckia intermedia I. M. Johnston 1918-5-30 876 Riverside Temecscal Canyon (near Lee Lake). 335 Comment
  SDSU18971  Amsinckia intermedia C. Matt Guilliams 2008-2-21 461 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 418 Comment
  UCR138920  Amsinckia intermedia Julie A. Greene 1993-3-13 1002 Riverside San Jacinto River Valley, San Jacinto Wildlife Area. Weedy area between ranch fence and permanent pond 441 Comment
  UCR2879  Amsinckia intermedia N. J. Matthews 1963-4-10 41063 2 Riverside 2 mi east of junction of Pigeon Pass Rd and Mt. Vernon along roadside 488 Comment
  RSA0089630  Amsinckia intermedia F. R. Fosberg 1932-5-9 10638 Riverside St. Johns Grade near Hemet. 770 Comment
  POM9587  Amsinckia menziesii I. M. Johnston 1920-5-8 s.n. Riverside Near Wineville [RR Station] in sand by road[Wineville = Mira Loma] Comment
  UCR117215  Amsinckia tessellata B. G. Pitzer 2000-4-20 4122 Riverside Mead Valley, Air Force property bordering Nandina Road, across from (N of) the T-intersection with Brown Street. 515 Comment
  RSA0091469  Amsinckia tessellata P. A. Munz 1949-4-12 13024 Riverside North base of Eagle Mts., Mohave Desert. 945 Comment
  POM115619  Amsonia brevifolia var. tomentosa A. M. Alexander, Louise Kellogg 1941-5-23 2225 Riverside one-half mile north of cottonwood spring, Eagle mountains. 915 Comment
  JOTR31917  Amsonia tomentosa La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2162 Riverside Joshua Tree National Park. North Hexie Mountains; large sandy side canyon draining into west Wilson Canyon with smaller braided ephemeral drainages running through 902 Comment
  RSA560372  Anagallis arvensis Steve Boyd 1992-4-14 6810 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of Oak Flats area along Bluewater Tributary from Verdugo Tributary S to crest of ridge W side Bluewater Canyon. 732 Comment
  RSA314396  Andropogon glomeratus R. F. Thorne 1982-10-8 55407 Riverside San Bernardino Mountains: about 3.2 miles north of Whitewater Post Office 595 Comment
  CAS-BOT-BC226955  Anemopsis californica A. C. Sanders; John F. Green 2012-5-27 40213 Riverside Peninsular Range; Perris-Aguanga Basin Region: eastern edge of Gavilan Hills, powerline route west of San Jacinto River and east of Hwy 74, 5.6 km SE of Perris 441 Comment
  POM204509  Angelica tomentosa var. tomentosa M. French Gilman 1934-7-8 S.N. Riverside San Jacinto Mountains Comment
  CAS-BOT-BC64116  Anisocoma acaulis Edmund C. Jaeger 1921-6-20 s.n. Riverside Strawberry Valley, San Jacinto Mts. 1584 Comment
  UCR174960  Anthemis cotula Teresa Nieto 2005-5-26 53 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  SD215368  Anthriscus caucalis Steve Boyd 1991-5-10 6214 Riverside Santa Ana Mountains, base of the range, just north of mouth of Hagador Canyon at bottom of Skyline Drive, 427 Comment
  UCR120935  Anthriscus caucalis A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24958 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  RSA33652  Antirrhinum coulterianum N. C. Cooper 1944-6-4 1325 Riverside Elsinore Mountain; Lookout at top. 1067 Comment
  UCR116925  Antirrhinum coulterianum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24220 Riverside Perris-Aguanga Basin region, Hemet, SE of intersection of State Street and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi. SSW of Hemet Butte 513 Comment
  RSA525434  Antirrhinum kelloggii Steve D. Boyd, David E. Bramlet 1990-4-29 4479 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  UC1929669  Antirrhinum nuttallianum Scott D. White 2003-6-9 9525 Riverside PERRIS BASIN: Northeast corner of Devonshire Ave. and Warren Rd., immediately south of Tres Cerritos. Comment
  UCR151067  Antirrhinum nuttallianum Scott D. White 1998-6-17 6750 Riverside Peninsular Ranges; Gavilan Hills, along Gavilan Rd. or Santa Rosa Mine Rd.; c. 7 mi survey route from Gavilan/ Cajalco Rd. junction. south and east to Santa Rosa Mine/ Post Rd. junction 671 Comment
  UCR41351  Antirrhinum nuttallianum N. M. Fellows, A. C. Sanders 1985-5-7 163 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  RSA586500  Apiastrum angustifolium D. L. Banks, S. D. Boyd 1995-5-9 331 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
  RSA612928  Apiastrum angustifolium D. L. Banks 1997-3-29 1648 B 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
  HSC80297  Apium graveolens Steve Boyd 1985-7-23 1011 Riverside 7 mi W of Rancho California 366 Comment
  SD60433  Apium graveolens Reid Moran 1964-7-27 11188 Riverside Canyon of Santa Margarita River 2 1/2 miles Southsouthwest of Temecula. 199 Comment
  UCD127240  Apium graveolens E. W. Lathrop 1966-5-8 6511 Riverside 3 miles southwest of Corona, Hagador Canyon, Cleveland National Forest, Trabuco District. 274 Comment
  POM20025  Apium graveolens Mary F. Spencer 1923-6-5 2205 Riverside Saboba Hot Springs. 518 Comment
Read comments
Apr 1 2013
  CAS-BOT-BC409997  Arceuthobium campylopodum L. Helmkamp; G. Helmkamp 1999-11-16 5 -1 Riverside San Jacinto Mountains, at the W end of Garner Valley, 0.5 miles E of CA-74 on Apple Canyon Road, just NE of Lake Hemet 1341 Comment
  RSA629127  Arctostaphylos Jon E. Keeley 1992-7-17 16763 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  RSA629134  Arctostaphylos Jon E. Keeley 1992-7-16 16568 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA629178  Arctostaphylos Jon E. Keeley 1992-7-16 16677 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA629407  Arctostaphylos glandulosa subsp. leucophylla Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19498 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
  RSA629453  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16809 Riverside Rd. to Thomas Mtn. (5S15), 9.5 km north of Toolbox Spring. 1640 Comment
  LA42411  Arctostaphylos glauca James Lauter; 1953-5-25 sn Riverside Pinyon Flats 1219 Comment
  RSA757615  Arctostaphylos glauca LeRoy Gross, Jackie McConnaughy, Andrew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4343 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  SD7734  Arctostaphylos glauca J. C. Nevin 1884-1 Riverside San Jacinto Mtns. Comment
  RSA633546  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21780 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633588  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22520 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633606  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22525 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633693  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21777 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 Comment
  UCR269233  Arctostaphylos pringlei A. C. Sanders, T. B. Salvato, Cecile Shohet 2016-2-28 42005 Riverside Peninsular Range; San Jacinto Mtns., Hwy 243 at Indian Vista Point, 0.9 km above (SE of) Lake Fulmor 1657 Comment
  POM250404  Arctostaphylos pringlei subsp. drupacea I. W. Clokey, E. G. Anderson 1935-8-21 6784 Riverside Fuller's Creek, San Jacinto Mountains 1500 Comment
  RSA271755  Arctostaphylos pungens J. Sauer, Richard Minnich 1977-4-7 5958 Riverside Upper Hurley Flat, San Jacinto Mountains 1311 Comment
  UC21840  Arctostaphylos pungens H. M. Hall June, 1901 Riverside Onstatt's Valley San Jacinto Mountains 1584 Comment
  RSA636167  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19472 Riverside West of Temecula, off Carancho Rd., west of De Luz Rd., eastern Santa Margarita Mtns. 460 Comment
  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
  UCR90385  Arenaria douglasii Steve Boyd 1995-4-24 8480 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on N flank of Agua Tibia Mtn, at N base of Wildhorse Peak. Along the Wildhorse Trail near its junction with the Dripping Springs Trail. 610 Comment
  UCR35130  Arenaria macradenia subsp. ferrisiae L. B. Ziegler 1972-6-12 478 Riverside San Jacinto Mtns,, canyon above Kenworthy Ranger Station. 1402 Comment
  RSA78245  Argemone munita subsp. munita P. A. Munz 1952-8-21 17964 Riverside Hamilton Creek, s.e. part of San Jacinto Mts. 1372 Comment
  CAS-BOT-BC207135  Argythamnia lanceolata Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  CAS-BOT-BC137661  Aristida adscensionis George Helmkamp 1995-3-16 s.n. Riverside Colorado Desert. Below slopes of Coxcomb Mountains, west of Rice Road, 10.3 miles northeast of Desert Center. 198 Comment
  RSA776145  Aristida adscensionis Duncan S. Bell, Amanda Turek 2010-4-10 838 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine and Calzona Mine; approximately 3.8 air miles west of the Colorado River; approximately 2 air miles northeast of Riverside Mountain Peak. 198 Comment
  UCR148307  Aristida adscensionis John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  UCR201498  Aristida purpurea var. fendleriana Scott D. White, Justin M. Wood 2008-6-17 12189 Riverside San Jacinto Mountains, Morris Ranch Road, open area west of Goff Flat 1641 Comment
  RSA0027479  Aristida purpurea var. purpurea Deidre Conocchioli, Naomi Fraga, Billy Sale 2013-9-25 60 Riverside East of Alligator Rock: From I-10 at Desert Center, head south on CA-177 to BLM Rd 394 (dirt). Collection site is 1.1 miles SW of interstate exit ramp. 334 Comment
  UC1922712  Aristida purpurea var. purpurea Naomi Fraga, Lisa Rojas 2005-2-10 1417 Riverside Colorado Desert; Northeastern Colorado Desert region: Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. Comment
  JOTR30829  Aristida purpurea var. wrightii La Doux, Tasha, Jim Andre 2008-9-16 345 Riverside Joshua Tree National Park. JTNP; SE end of Splitrock Picnic Area. Queen Mountain USGS 7.5 min Quad. Near 34 00.486' N 116 03.288' W 1289 Comment
  CAS-BOT-BC90198  Artemisia californica Nancy Ryan Zabriskie; Walter Zabriskie 1972-12-25 548 Riverside on trail to ridge above Eagle Peak, Andreas Canyon watershed, east slope San Jacinto Mts. 914 Comment
  SDSU13665  Artemisia dracunculus W. Miller 1972-8-9 Riverside Comment
  SEINET3919668  Arundo donax Faulkner 1978-4-27 481 Riverside 3 miles East of Blythe, shores and flood plains of Colorado River.; 0 137 Comment
  OBI38404  Asclepias albicans A. C. Sanders, Charlton, Pitzer, Kniffen and Wright 1986-3-10 6250 Riverside Coyote Mtns, 2.15 mi N of Hwy S-2 on a dirt road 1.1 mi SE of the San Diego Co line. 305 Comment
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Jun 30 2018
  UCR75042  Asclepias albicans A. C. Sanders, E. Lawlor 1992-4-4 12156 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCR178846  Asclepias californica Mitch Provance, Tracy Tennant 1998-6-16 MOR- 393 Riverside San Bernardino Mtns., Morongo Indian Reservation, 0.5 mi. north of junction of East Branch and Millard Canyon 1220 Comment
  UCR20538  Asclepias eriocarpa W. W. Mayhew 1977-7-5 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1835 Comment
  RSA569001  Asclepias fascicularis N. C. Cooper 1944-7-15 1569 Riverside Palms to Pines Highway, San Jacinto Mountains. 1372 Comment
  UCR37250  Asclepias fascicularis R. A. Fawcett 1937-8-1 s.n. Riverside Peninsular Range, Cajalco to Perris road Comment
  RSA595538  Asclepias subulata Alan Prather, Alice Hempel 1993-5-16 1345 Riverside Along I-10, 20.1 km E of Coachella, at the rest stop for the westbound lanes. 400 Comment
  RSA69914  Asclepias subulata F. W. Peirson 1920-12-29 2339 Riverside Point of Rocks, 1.5 miles east of Whitewater Station, head of Coachella Valley 335 Comment
  SEINET10779851  Asclepias subulata George Engelmann 1880-11-11 Engelmann s.n. 1880 Riverside Mountainside near White Water, San Gorgonio Pass 792 Comment
  UC1532830  Aspidotis californica Robert F. Thorne and Earl Lathrop 1975-5-25 45554 Riverside Mesa de Burro Rancho California; Santa Rosa Plateau 60 Comment
  UCR261103  Aspidotis californica Joseph Cahill 2011-1-8 111- 02 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, San Juan Loop Trail, c. 0.5 mi. from eastern trailhead off Hwy 74 590 Comment
  CLARK-A1528-158  Aster exilis John C. Roos 1951-9-25 5275 Riverside Riverside 259 Comment
  UCR121101  Aster subulatus A. C. Sanders 2001-9-23 24875 Riverside San Bernardino Valley region, Riverside, Castle Park in La Sierra, 91 Fwy at Polk St. 220 Comment
  RSA602395  Aster subulatus var. ligulatus L. C. Wheeler 1955-6-10 7153 Riverside 2 miles W of Blythe. Comment
  CHSC8463  Astragalus Edward Laidlaw Smith 1958-3-22 397 Riverside Sand dunes 3 mi. s. Rice. Little Santa Maria Mt. Range. Colorado River drainage area. 335 Comment
  RSA781390  Astragalus aridus Duncan S. Bell 2010-5-1 907 Riverside Arica Mountains: northwest of mountain range, approximately 7.2 air miles west of the ghost town of Rice, and approximately 6 air miles northwest of Priests Well. 312 Comment
  SD135216  Astragalus bicristatus Craig Reiser, Dylan Hannon 1993-5-30 Riverside N flank of Santa Rosa Peak near flowing creek Comment
  RSA415452  Astragalus crotalariae Miss Hutchinson 1926-3-1 s.n. Riverside Colorado Desert. [county not specified] Comment
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Sep 7 2016
  RSA715250  Astragalus didymocarpus Brett Hartman 2006-4-28 s.n. Riverside Lake Elsinore back basin on NE side of lake. 384 Comment
  UCR157442  Astragalus didymocarpus A. C. Sanders 1997-3-26 20123 Riverside Lake Skinner area, NW foot of the Tucalota Hills, 0.2 mi. east of main Skinner entrance road on a dirt service road 473 Comment
  RSA90156  Astragalus didymocarpus F. W. Peirson 1914-1 576 Riverside Whitewater, east of Cabezon Comment
  SD133103  Astragalus douglasii Scott D. White 1991-5-13 91 92 Riverside Highway 79, immediately west of U. S. Forest Service Campground at Dripping Springs. 550 Comment
  CAS-BOT-BC178446  Astragalus douglasii var. parishii Philip A. Munz 1937-5-30 15138 Riverside Santa Rosa Peak 2346 Comment
  OBI35666  Astragalus douglasii var. parishii Louis B. Ziegler 1972-5-15 460 Riverside San Jacinto Mts - Hemet (Garnder) Valley 1402 Comment
  UC1930031  Astragalus douglasii var. parishii Scott D. White, Justin Wood 2008-6-5 12079 Riverside San JAcinto Mountains: Garner Valley: Hwy 74 @ Thomas Mountain Rd. - SW corner of junction. Comment
  RSA90215  Astragalus filipes F. W. Peirson 1922-5-20 3341 Riverside Hemet Valley, San Jacinto Mountains. 1371 Comment
  CAS-BOT-BC257175  Astragalus gambelianus Duncan S. Bell; Joy England 2010-5-17 1007 Riverside Peninsular Ranges; San Jacinto Mountains region: San Bernardino National Forest: Rouse Ridge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15 1045 Comment
  UCR228909  Astragalus gambelianus A. C. Sanders 2011-4-7 39034 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
  UCR237114  Astragalus gambelianus Duncan S. Bell, Joy England 2010-5-17 1007 Riverside San Jacinto Mountains, Rouse Ridge, c. 3 air miles southeast of junction of Hwy 74 and forest service road 5S15 1045 Comment
  POM26394  Astragalus insularis var. harwoodii H. M. Hall 1905-04 5945 Riverside Mc Coy wash 91 Comment
  POM24940  Astragalus lentiginosus var. coachellae H. M. Hall 1905-4-14 5757 Riverside Whitewater, on the Colorado Desert. 240 Comment
  UCR86648  Astragalus lentiginosus var. coachellae A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16257 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
  JOTR34402  Astragalus lentiginosus var. fremontii Andre, Jim 2012-4-16 20938 Riverside Joshua Tree National Park. Along Geotour Road, at north end of one-way loop in Pleasant Valley at foot (south end) of Hexie Mountains, 6.7 mi. south of National Park Loop Rd. 989 Comment
  JOTR16677  Astragalus lentiginosus var. variabilis Walters, Jim 1967-3-11 s.n. Riverside Joshua Tree National Park. 1/2 MILE NORTH SQUAW TANK 1219 Comment
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Jun 16 2013
  JOTR28752  Astragalus lentiginosus var. variabilis La Doux, Tasha, Bill Truesdell, Erin Babich 2005-3-7 1595 Riverside Joshua Tree National Park. Eagle Mountains, southeast end near Pinto Wells 316 Comment
  UCR58485  Astragalus pachypus var. jaegeri Ed LaRue 1989-5-17 s.n. Riverside San Bernardino Mtns, hills east of Beaumont, along Potrero Creek, one-half mi. east of old San Jacinto Nuevo Y Potrero land grant 701 Comment
  CAS-BOT-BC192759  Astragalus palmeri Reid Moran 1941-5-4 837 Riverside East of Quail Spring, Joshua Tree Nat. Mon. 1300 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
  SEINET887640  Astragalus palmeri George Helmkamp, E. A. Helmkamp 1998-1 3379 Riverside Santa Rosa Mountains: Pinyon Pines along CA-74 between the San Jacinto and Santa Rosa Mountains. 1296 Comment
  CAS-BOT-BC27821  Astragalus pomonensis Marcus Eugene Jones 1882-4-24 3166 Riverside San Jacinto Comment
  JEPS54801  Astragalus pomonensis W. L. Jepson 1914-5-23 6085 Riverside Conchilla Desert , Conchilla Desert (Colorado Desert) Comment
  RSA228804  Astragalus pomonensis Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 605 Riverside Santa Rosa Plateau, ca. 5 miles south west of Murrieta near Forest Route 7S01. 487 Comment
  UCR102921  Astragalus tricarinatus George K. Helmkamp 1998-4-3 3087 Riverside Coachella Valley, Mission Creek, the Wildlands Conservancy Preserve, 1.1 mi. NW of the ranch house beside a gauging staion along the creek 747 Comment
  CAS-BOT-BC66047  Athyrium filix-femina var. cyclosorum Geo. B. Grant 1901-8-1 67 Riverside San Jacinto Mts. 1828 Comment
  UCR196358  Atrichoseris platyphylla Naomi Fraga, Lisa Rojas 2005-2-10 1405 A Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 361 Comment
  UCSB39114  Atriplex J. Jorgensen 1982-3-23 298 Riverside DESERT BEACH ALONG HWY 111 SALTON SEA -70 Comment
  POM202640  Atriplex canescens W. M. Ingram 1934-10 4 Riverside Colorado Desert Comment
  POM278724  Atriplex canescens Grant D. Brown 1950-12-2 593 Riverside Santa Ana River NW of Arlington 198 Comment
  RSA33307  Atriplex canescens N. C. Cooper 1943-10-3 937 Riverside Cabazon, 549 Comment
  RSA451005  Atriplex canescens Stephen M. Beckstrom-Sternberg 1985-9-13 1038 Riverside Living Desert Reserve, Palm Desert Comment
  UCR228401  Atriplex canescens var. canescens Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-3-31 117 Riverside Transverse Ranges; San Bernardino Mountains, Pacific Crest Trail. W of Whitewater Canyon. N of jct of I-10 and Rte 111 740 Comment
  LA36248  Atriplex canescens var. laciniata Chas. Lowe Jr.; 1941-10-19 sn Riverside 3 mi. W of Ripley Comment
  UCSB42261  Atriplex coronata Roos, John 1965-6-30 Riverside Perris Comment
  UCR103491  Atriplex coronata var. notatior D. E. Bramlet 1995-6-8 2438 Riverside San Jacinto Valley, Mystic Lake Duck Club, on berms & on the SW duck ponds within the club,1.71 km east of Davis Road and 46 m south of the access road, 640m north of the San Jacinto River Channel 436 Comment
  UCR252811  Atriplex coronata var. notatior Karyn L. Drennen 2014-5-13 028 Riverside Perris Aguanga Basin, Perris, east of Hwy 215, 0.7 km north of San Jacinto Ave., east of Dunlap Dr. 432 Comment
  CAS-BOT-BC334494  Atriplex elegans var. elegans R. E. Riefner, Jr. 2013-8-17 13 -190 Riverside City of Lake Elsinore, along Collier St. and Hwy 74 S to Temescal Wash. 393 Comment
  UCR203887  Atriplex glauca R. E. Riefner Jr. 2006-2-20 06- 29 Riverside city of Corona, along Magnolia Ave. off-ramp on southwest side of Hwy I-15 216 Comment
  RSA0042164  Atriplex hymenelytra Duncan S. Bell, Evan Meyer 2014-4-2 6522 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  SD38024  Atriplex hymenelytra Edith A. Purer 1931-3-1 Riverside Near Palm Springs. Comment
  SD48525  Atriplex lentiformis E. K. Balls, P. C. Everett 1957-11-5 22758 Riverside South of Thermal, State Highway 111. 29 Comment
  RSA612719  Atriplex parishii H. C. Stutz 1994-10-17 9693 Riverside W side of Hemet, 100 yards East of California Street terminus Comment
  RSA0104081  Atriplex polycarpa Duncan S. Bell, Evan Meyer 2014-10-28 7666 Riverside Santa Rosa Mountains; at the foot of the mountains between Toro Canyon and Martinez Canyon. 169 Comment
  RSA155459  Atriplex polycarpa L. S. Rose 1961-11-24 s.n. Riverside La Quinta. 15 Comment
  RSA5583  Atriplex polycarpa C. B. Wolf 1932-10-13 s.n. Riverside Caleb (Southern Pacific railway siding), 4.5 miles SE of Mecca, Colorado Desert 61 Comment
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Jul 16 2015
  UCR196391  Atriplex polycarpa Naomi Fraga, Lisa Rojas 2005-2-10 1416 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 502 Comment
  RSA737225  Atriplex prostrata Justin M. Wood 2008-9-22 145 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR123221  Atriplex rosea O. F. Clarke, Jeanine Derby 1973-9-14 s.n. Riverside Peninsular Range, Temecula 300 Comment
  UCR18901  Atriplex rosea John C. Roos 1965-8-4 s.n. Riverside San Bernardino Valley, Arlington area, Riverside Comment
  UCR92294  Atriplex semibaccata Scott D. White, S. Ogg 1994-10-17 2457 Riverside Temecula Valley, Murrieta Creek at Winchester Road bridge (Banana Avenue) 317 Comment
  RSA478408  Atriplex semibaccata Richard C. Barkelew, Mark Morris 1929-3-3 s.n. Riverside Perris. Comment
  RSA628489  Atriplex serenana A. C. Sanders, K. C. Rose 1999-7-18 22815 Riverside Skinner/Domenigoni area: French Valley, E side of Washington Ave. near Dawson Rd. 451 Comment
  UCR213868  Atriplex serenana var. serenana Scott D. White 2009-8-10 13355 Riverside Temecula Valley, city of Temecula, west bank of Murrieta Creek, c. 0.5 mi north and south of the Main Street Bridge 306 Comment
  UCR110398  Atriplex triangularis A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23181 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1 mile west of Jackrabbit Trail on Gilman Springs Rd., 0.4 mi. west of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Spr. 436 Comment
  IRVC9234  Avena barbata B. T. Gittins 1966-5-1 1285 Riverside Santa Rosa Plateau. Peninsular Ranges, Santa Ana Mountains Comment
  UCR22138  Avena barbata Steve Boyd 1980-5-11 228 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  RSA0063034  Avena barbata Andrew Haimov, April Sleigh 1992-5-19 92 Riverside 1 1/2 miles east of Davis Road, next to reclaimed water storage site, San Jacinto Wildlife Area. Comment
  UCR108875  Avena sativa Heidi A. Haid 1968-5-14 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  CAS-BOT-BC98783  Baccharis brachyphylla Carl B. Wolf 1932-10-11 4275 Riverside Morongo Wash, 3/10 mi. below the San Bernardino Co. line. 670 Comment
  RSA0104436  Baccharis brachyphylla Duncan S. Bell, Evan Meyer 2014-10-28 7672 Riverside Orocopia Mountains; northwest section of range; approximately 1.8 air miles northwest of the summit of Orocopia Mountain. 936 Comment
  SD255081  Baccharis brachyphylla Duncan S. Bell, Sarah DeGroot and Amy Rouillard 2015-10-19 8717 Riverside Transverse Ranges: San Bernardino Mountains region: Whitewater Canyon, along the Pacific Creset Trail, approximately 0.75 air mile northeast of Red Dome. 885 Comment
  CDA10369  Baccharis emoryi C. R. Tower Oct 1949 Riverside Citrus Experiment Station, Riverside. 0 Comment
  SFV11869  Baccharis salicifolia R. H. Swade 1963-12-7 s. n. Riverside Colorado Desert Open desert west of Snow Creek Road, about 3 miles south of Interstate 10 intersection with California State Highway 111. 366 Comment
  UCR237685  Baccharis salicifolia Orlando Mistretta, Duncan S. Bell, Janet Beckman, Joy England, K. Kane, et al. 2010-4-12 4580 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
  SD247573  Baccharis salicifolia subsp. salicifolia Sarah J. De Groot, Cheryl Sevilla, Rico Ramirez 2014-8-20 7239 Riverside North Fork Mission Creek, above preserve. Southeast San Bernardino Mountains, San Gorgonio Wilderness Area. 769 Comment
  SEINET946176  Baccharis salicina O. F. Clarke 1970-1 Riverside Botanic Gardens of the University of California, Riverside Comment
  POM14037  Baccharis sergiloides Philip A. Munz, D. D. Keck 1922-4-14 5011 Riverside near Whitewater Ranch 274 Comment
  SD229069  Baccharis sergiloides Dick Schwenkmeyer, Bethany Jenkins 2012-3-7 636 Riverside Mt. San Jacinto 1085 Comment
  SEINET899356  Baccharis sergiloides C. B. Wolf 1932-1 4272 Riverside Colorado Desert. Little San Bernandino Mts. Morongo Wash, 3/10 mi. below San Bernandino Co. line 671 Comment
  UCR136316  Baccharis sergiloides Virginia Moran 2003-9-1 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), east of Sage Road and south of Wilson Valley Road 675 Comment
  RSA93161  Baccharis sergiloides F. W. Peirson 1928-9-6 8205 Riverside Morongo Canyon, eastern end of San Bernardino Mts. Comment
  CAS-BOT-BC295889  Bahiopsis parishii Lewis S. Rose 1966-12-14 66104 Riverside Chino Canyon, 3 mi. w. of Palm Springs Desert 670 Comment
  RSA442011  Bahiopsis parishii Robert Gustafson 1980-5-5 1563 Riverside Whitewater Canyon Road, 1.8 miles from the junction with Interstate 10. 610 Comment
  RSA550041  Bahiopsis parishii Walter Wisura, A. King, L. Newcomb 1992-4-10 4666 Riverside Low Desert: Mission Creek Ranch W of Hwy 62 below Morongo Valley Comment
  RSA776089  Bahiopsis parishii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 821 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 495 Comment
  RSA0089860  Baileya pleniradiata Dean Wm. Taylor 2003-5-7 18544 Riverside 1 mi SE of Steele Peak, 0.4 miles NNW of Good Hope Mine, under electrical transmission line corridor. 579 Comment
  CAS-BOT-BC16366  Barbarea orthoceras Steve Boyd 1992-4-14 6793 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail. 853 Comment
  CAS-BOT-BC100135  Bebbia juncea var. aspera M. Bourell; R. Patterson 1987-4-14 3270 Riverside Spur N of Box Canyon Hwy 195, BLM Conservation Area 150 Comment
  CAS-BOT-BC100137  Bebbia juncea var. aspera Annie M. Alexander; Louise Kellogg 1941-5-15 2182 Riverside north base of Eagle Mountains, Colorado Desert 914 Comment
  JEPS19308  Bebbia juncea var. aspera W. L. Jepson Oct 22 1912-Nov 7 1912 5249 Riverside Blythe Intake, Palo Verde Valley, Colorado River 45 Comment
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Aug 29 2012
  UC604870  Bebbia juncea var. aspera Roxana S. Ferris and Ruth P. Rossbach 1938-5-15 9555 Riverside 1 mi below Cottonwood Springs Comment
  POM14866  Bergia texana H. Baer 1922-11-12 s.n. Riverside San Jacinto River Bed, Near Elsinore Comment
  UCR37089  Bidens pilosa A. C. Sanders, M. Guzy 1983-11-10 4649 Riverside University of California, Riverside. Botanic Gardens, Latin American section 366 Comment
  CSUSB16  Bloomeria crocea D. L. Heald 1966-5-16 52 Riverside Off the road behind Webber Hall at University of California, Riverside (UCR) in the city of Riverside. 304 Comment
  SDSU11583  Bloomeria crocea Stan Matlier 1938-5-13 Riverside Lake Elsinore Grade Comment
  JOTR33134  Boechera perennans Supernaugh, William 1967-2-26 s.n. Riverside Joshua Tree National Park. Northwest Hexie Mountains; 100 yards west of Stirrup Tank parking lot 1085 Comment
  JOTR01029  Boechera xylopoda Cole, James E. 1941-4-10 516 Riverside Joshua Tree National Park. TWIN TANKS 1219 Comment
  UCR264219  Boerhavia triquetra var. intermedia A. C. Sanders, Jim Malusa 2015-9-10 41866 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range 480 Comment
  JOTR38528  Boerhavia wrightii Harding, Mitzi, Kipp Callahan 2012-8-27 298 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; off Brooklyn Mine Road near park boundary Comment
  OBI29475  Boerhavia wrightii David J. Keil, Melissa Luckow 1979-8-31 13148 Riverside Jctn of Box Cyn Rd and I-10 just S of exit ramp at wash crossing Comment
  UCR60438  Bothriochloa barbinodis S. J. Myers 1989-8-3 s.n. Riverside Peninsular Range, 1.5 mi SW of Temecula, and 0.5 mi west of the confluence of Murrieta and Temecula Creeks 396 Comment
  UC1606976  Bouteloua aristidoides David Charlton 1988-2-18 1127 Riverside 1 mi e Jct. Dillon Rd. and Fargo Cyn Rd (s side of mts, Fargo Canyon Rd to Cottonwood Wash, s of Joshua Tree National Park, parallel to I-10); Little San Bernardino Mtns. 609 Comment
  RSA793924  Bouteloua barbata A. C. Sanders 2011-9-15 39892 Riverside Coachella Valley, agricultural area in Thermal; Colorama greenhouses/nursery at 83300 Ave. 58, 0.35 mi. east of Jackson St. near Calhoun St. -24 Comment
  UCR230604  Bouteloua barbata A. C. Sanders 2011-9-15 39892 Riverside Sonoran (Colorado) Desert, Coachella Valley, agricultural area in Thermal; Colorama greenhouses/nursery at 83300 Ave. 58, 0.35 mi. east of Jackson St. near Calhoun St. -24 Comment
  UCR245072  Bouteloua barbata A. C. Sanders, T. B. Salvato 2012-10-12 40412 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd. near intersection with Graham Pass Rd., 4.56 km west of I-10 junction 124 Comment
  UCSB28074  Bouteloua barbata Blakely, E. 1961-9-12 Riverside Pinyon Flat, Palms to Pines Hwy 1219 Comment
  JOTR35007  Bouteloua barbata var. barbata La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3109 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road, near Mission Well Comment
  POM13714  Bowlesia incana P. A. Munz 1922-4-29 5119 Riverside Lancaster Valley 396 Comment
  RSA528093  Bowlesia incana Scott D. White 1991-4-10 91 -54 Riverside Diamond Valley area, ca. 1/2 mi. E of Mica Butte, & S of Cactus Valley Road. 610 Comment
  RSA356889  Brandegea bigelovii R. F. Thorne 1966-10-15 41791 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  RSA667308  Brandegea bigelovii B. Pitzer 1989-4-15 1285 Riverside Chocolate Mountains Aerial Gunnery Range. Large wash crossing Ridgeline Road. 700 Comment
  RSA747717  Brandegea bigelovii Justin M. Wood 2009-3-26 398 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
  SBBG7425  Brandegea bigelovii H. and M. Dearing 1949-4-6 6740 Riverside Box Cyn Comment
  SEINET9340437  Brandegea bigelovii Unknown 1993-4-4 10593 Riverside Hard pavement flats at Cholla Garden, Joshua Tree N.M.. Comment
  RSA0009724  Brandegea bigelovii Marcus E. Jones 1906-4-20 Riverside Indio. Comment
  UCR103899  Brassica geniculata B. G. Pitzer 1997-4-12 3127 Riverside Lakeview Mtns, Pulsar View Road, c. 3/4-1 mi. by road uphill from the base of the hills at the end of Warren Road (very short dirt road); c. 1 mi. airline NE of Juniper Flats Road. Approx. 0.9 mi. airline SW of Mt. Rudolph (measured from BM 'Nelson'). 610 Comment
  UCR140308  Brassica nigra A. C. Sanders 2004-4-9 27477 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, vicinity of Rose Rd. 457 Comment
  CLARK-A1528-2426  Brassica tournefortii Charles S. Papp 1964-5-22 470 Riverside Riverside Comment
  RSA775337  Brassica tournefortii Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5023 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm)., between N34.00456, W116.67238 and N33.99629 and W116.66010 750 Comment
  UCR241840  Brassica tournefortii A. C. Sanders, Timothy W. Chumley 2013-4-2 40730 Riverside Peninsular Range, Temescal Canyon at west side of Horsethief Canyon Rd., south of I-15 Fwy, SE of Corona (Lee) Lake 390 Comment
  JOTR01239  Brickellia arguta var. arguta Cole, James E. 1942-5-19 959 Riverside Joshua Tree National Park. RUBY LEE WASH 914 Comment
  POM301772  Brickellia desertorum J. Cole 1942-5-19 960 Riverside Ruby Lee Mine, Joshua Tree National Monument. 915 Comment
  RSA5580  Brickellia desertorum C. B. Wolf 1932-10-13 4312 Riverside Cottonwood Springs. Eagle Mountains 290 Comment
  SD137904  Brickellia desertorum Darin L. Banks, Steve Boyd 1995-10-17 776 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; along lower Arroyo Seco, south of the Dripping Springs Campground. 515 Comment
  UCR23273  Brickellia desertorum John C. Roos, L. Roos 1950-9-9 4986 Riverside Mt. Rubidoux. 400 Comment
  UC63170  Brickellia oblongifolia var. linifolia W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1888 Riverside se base of San Jacinto Mt. San Jacinto Mt. 1371 Comment
  CAS-BOT-BC132191  Brodiaea filifolia John Thomas Howell 1930-5-10 4790 Riverside 2 miles south of Perris Comment
  SEINET191888 Image available Bromus berteroanus C. L. Hitchcock 1940-4-2 5924 Riverside Joshua Tree National Monument ; Cottonwood Springs wash Comment
  RSA516966  Bromus carinatus A. C. Sanders 1989-4-30 9068 Riverside Riverside. Comment
  RSA575964  Bromus carinatus Steve Boyd 1981-4-10 s.n. Riverside Galvin Hills region, summit of 'Rocky Bluff Ridge' east of Estelle Mountain. 832 Comment
  SBBG105035  Bromus carinatus S. Boyd with D. Banks 1994-4-5 8257 Riverside San Mateo Cyn Wilderness Area, vicinity of Oak Flats 762 Comment
  RSA615098  Bromus diandrus D. L. Banks 1997-3-29 1581 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border;, west of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  RSA595257  Bromus diandrus D. L. Banks, Elizabeth Hedge Banks 1996-5-2 957 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
  RSA740616  Bromus grandis Scott D. White, Justin M. Wood 2008-6-19 12254 Riverside USFS Rd (5S08) between Keen Camp Summit and Baldy Mtn. 1524 Comment
  RSA715940  Bromus hordeaceus Scott D. White, Angelia Carey 2004-4-5 10026 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR102876  Bromus hordeaceus A. C. Sanders 1997-3-26 20133 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  UCR213304  Bromus hordeaceus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37698 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 378 Comment
  UCR2249  Bromus rubens H. S. Fawcett 1913-12-24 1109 Riverside West Riverside, along main road, Santa Ana River flats 244 Comment
  SD254501  Bromus tectorum Steve Boyd, Carol Boyd 2011-3-29 12305 Riverside Transverse Ranges; San BernardinoMountains region: Southeast end of range in south branch of Mission Banyon, just upstream from confluence with north branch. 762 Comment
  CLARK-A1528-4567  Bromus unioloides Alfred R. Roos 1937-11-13 Riverside Riverside 243 Comment
  RSA161350  Caesalpinia virgata Percy C. Everett, Nick Lolonis 1963-5-3 24492 Riverside SE. corner of Colima & Obregon Sts., LaQuinta western edge of Colorado Desert. 91 Comment
  RSA498389  Caesalpinia virgata T. W. Minthorn 1926-5-13 s.n Riverside East of Banning Comment
  RSA676052  Caesalpinia virgata Scott D. White 2001-4-3 8260 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  SD217351  Calandrinia ciliata Steve Boyd, Tim Ross, et al 1990-4-2 4042 Riverside Vail Lake area, lower slopes of Agua Tibia Mountain, along Highway 79, East of USFWS Dripping Springs Guard Station. 487 Comment
  UCR137481  Calandrinia ciliata D. L. Banks 1997-3-16 1543 Riverside NW Palomar Mountains, Agua Tibia Mountains, N face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound 567 Comment
  UCR226076  Calandrinia ciliata A. C. Sanders, T. B. Salvato 2011-4-1 38945 Riverside Peninsular Range, Lake Elsinore, SW of Baker St. along dirt branch road to microwave tower, near large water tank on hill 409 Comment
  POM13644  Callitriche marginata P. A. Munz 1922-5-18 5325 Riverside 1/2 mile south of Lake Elsinore. Comment
  RSA651313  Calocedrus decurrens J. H. Reynolds 1981-2-14 11 Riverside Idyllwild Visitor Center. 10 m due W from visitor center museum entrance. 1900 Comment
  RSA588987  Calochortus plummerae D. E. Bramlet 1994-6-16 2384 Riverside Lake Skinner County Park: in Tucalota hills area. Alongside existing equestrian trail, S of existing access road (BM 1487). 494 Comment
  CAS-BOT-BC483505  Calochortus splendens Street; Jenkins 1917-5-30 1953 Riverside San Jacinto Canyon Comment
  CAS-BOT-BC483507  Calochortus splendens Steve Boyd 1986-4-22 1761 Riverside Terrace escarpment west side of Indian Wash, south of I-15, Temescal Canyon Comment
  SEINET12045038  Calochortus weedii C. B. Wolf 1941-1 10899 Riverside Santa Ana Mts. Ortega Hwy, 0.3 mi E of its summit 762 Comment
  SEINET3004991  Calycoseris parryi G. Rink, M. Baker 2011-4-3 10419 Riverside Northwest of Blythe, east of the McCoy Mtns, small gullies in desert pavement 170 Comment
  RSA457756  Calycoseris wrightii Steve Boyd 1988-3-10 2120 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  SBBG28082  Calyptridium monandrum D. Myrick 1964-4-30 818 Riverside Hwy 74, 5 mi W of Palm Desert 213 Comment
  SBBG35571  Calyptridium monandrum D. Myrick 1966-4-2 1331 Riverside upper end of Aqueduct Rd ca. 10 mi SE of Desert Hot Springs Comment
  SD73616  Calyptridium monandrum Helen V. Witham 1970-4-29 834 Riverside 20 miles east of Lake Hemet. 1299 Comment
  SD208204  Calyptridium monospermum Michael G. Simpson, Jamie Hall, et al. 2007-6-16 2896 Riverside Little Taquitz Valley, San Jacinto Mountain, along trail, ca. 0.1 mile north of junction with Pacific Coast Trail, ca. 0.9 mile northeast of Tahquitz Peak. 2454 Comment
  UCR180058  Calystegia macrostegia Mitch Provance 2005-5-18 9817 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  SDSU14018  Calystegia macrostegia subsp. tenuifolia Jonathan S. Austin, Michael G. Simpson 2002-4-20 13 Riverside Along northeastern part of Loop trail, north side of road. Santa Margarita Ecological Reserve. 339 Comment
  UC23163  Calystegia macrostegia subsp. tenuifolia Geo. F. Reinhardt June 1897 Riverside San Jacinto Valley San Jacinto Valley (Southern California) Comment
  UCR107408  Camissonia bistorta B. G. Pitzer 1997-3-23 2992 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
  UCR251309  Camissonia bistorta T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2013-3-28 7426 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Murrieta Road and Scott Road 517 Comment
  SEINET5584431  Camissonia boothii Stephen Hale 2010-1 Riverside Along power line, adjacent to State Route 95 120 Comment
  UCR117378  Camissonia boothii B. G. Pitzer 1998-2-1 3449 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed 427 Comment
  UCR103556  Camissonia brevipes subsp. brevipes George K. Helmkamp 1998-1-17 2545 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal .3 Comment
  UCR233158A  Camissonia brevipes subsp. brevipes Jim Andre, Glenn L. Clifton 2011-2-22 17453 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  POM3084  Camissonia californica J. S. Clease 1927-4-16 s.n. Riverside Colorado Desert, Palm Springs. Comment
  JOTR16757  Camissonia campestris subsp. campestris Dengler, A. 1966-5-31 s.n. Riverside Joshua Tree National Park. LOST HORSE RANGER STATION 1249 Comment
  POM3227  Camissonia cardiophylla I. M. Johnston 1917-4-4 1083 Riverside Colorado Desert: Palm Canyon. 305 Comment
  RSA701085  Camissonia cardiophylla Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11240 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  RSA744302  Camissonia cardiophylla M. Wall 2009-4-5 502 Riverside Plants in Ladder and Painted Canyons east of Mecca. 231 Comment
  UCR18418  Camissonia chamaenerioides A. C. Sanders, S. Hagopian 1977-4-17 451 Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, Irish Wash near Corn Springs 671 Comment
  UCR20765  Camissonia claviformis A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1330 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
  RSA135282  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-3-1 11752 Riverside Plain near Colorado River, along U.S. Highway 95, 37.5 miles north of Blythe. Comment
  RSA36072  Camissonia claviformis subsp. aurantiaca C. Epling 1947-03 s.n. Riverside Mojave Desert, south edge of desert at Cottonwood Springs. Comment
  RSA444306  Camissonia claviformis subsp. aurantiaca Walter Wisura 1988-1-29 4177 Riverside Low sand dunes NE of Fred Warring [Waring] Drive, Palm Desert. [seed voucher] Comment
  RSA449191  Camissonia claviformis subsp. aurantiaca Albert J. Perkins 1914-05 s.n. Riverside Riverside vicinity Comment
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Sep 3 2011
  SDSU3356  Camissonia confusa H. Wedberg 1958-5-18 306 Riverside At Pinon Flat Campground, San Jacinto Mountains. Comment
  SEINET7040182  Camissonia graciliflora A. G. Vestal 1962-3-29 Riverside 0.4miles east of Murrietta [on Murrietta Hot Springs road]. Murrieta Quad. UTM Zone 11, 482619mE, 3712809mN. Comment
  UCR90395  Camissonia hirtella D. L. Banks, Steve Boyd 1995-5-9 0371 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, west of the Dripping Springs Alcove, west of Woodchuck Campground. 793 Comment
  POM3272  Camissonia ignota I. M. Johnston 1918-4-27 1875 Riverside Near Corona. 274 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
  RSA655044  Camissonia intermedia Scott D. White 1999-6-6 7443 Riverside Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road 5S24.2. 1432 Comment
  UCR116814  Camissonia pallida A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23944 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  RSA34606  Camissonia pallida subsp. pallida N. C. Cooper 1944-4-23 1157 Riverside Banning. 701 Comment
  RSA614234  Camissonia pallida subsp. pallida A. C. Sanders, P. Mackay, Tim C. Thomas, G. Helmkamp 1997-2-8 19674 Riverside Colorado Desert: Palm Springs, Indian Ave at Las Vegas Rd, below mouth of Chino Canyon. 188 Comment
  RSA480033  Camissonia refracta Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, Tim S. Ross 1988-3-10 2160 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  UC1186514  Camissonia refracta E. G. Linsley and J. W. MacSwain 1960-3-2 60 -5 Riverside 2 mi w Desert Center Comment
  UCR216223  Camissonia refracta Jim Andre, T. La Doux 2009-2-25 10821 Riverside Sonoran (Colorado) Desert, Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center 129 Comment
  IRVC26247  Camissonia strigulosa A. C. Sanders, D. Malueg 2003-5-8 26561 Riverside San Jacinto Riverbottom, north of San Jacinto and SE of State St. San Jacinto Valley 465 Comment
  SBBG60416  Camissoniopsis bistorta M. N. Ackley 1928-3-10 751 Riverside Bridge Haven [Service Station in Whitewater, 1920s -1950] 426 Comment
  UC56476  Camissoniopsis bistorta H. M. Hall 1902-4-26 2990 Riverside vicinity of Riverside 365 Comment
  UC172909  Camissoniopsis pallida subsp. pallida E. E. Schellenger 1911-4-25 Riverside Point of Rocks Colorado Desert, Whitewater Wash Comment
  UCSB13030  Camissoniopsis pallida subsp. pallida Dearing, Hugh; Dearing, Margaret 1942-1 Riverside Colorado Desert near Cathedral City, east of Palm Springs Comment
  RSA0086761  Capsella bursa-pastoris R. G. Swinney 1967-5-26 11728 Riverside Snow Creek. 335 Comment
  UCR241250  Capsella bursa-pastoris T. B. Salvato, Tracy Tennant 1998-4-16 MOR- 1208 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Potrero Canyon about 1 mile above locked gate, east side of road near old corrals, tree stand P-03 976 Comment
  POM1507  Carex alma I. M. Johnston s.n. Riverside Mouth of Andreas Canyon. 244 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
  SEINET3898819  Carex barbarae Steve Boyd, Tim Ross 1990-5-11 4663 Riverside Vail Lake area, Arroyo Seco drainage, cyn bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland Nat. Forest.; 0 579 Comment
  UCR130708  Carex fracta George K. Helmkamp, E. A. Helmkamp 1998-6-27 4072 Riverside San Jacinto Mtns., Garner Valley, along Hwy 74 at Morris Ranch Rd. 1372 Comment
  UCR40570  Carex fracta A. C. Sanders 1980-8-23 1765 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  POM14315  Carex hoodii Phillip A. Munz 1922-7-6 6005 Riverside San Jacinto Mountains: Tahquitz Valley. 2195 Comment
  RSA750736  Carex praegracilis Scott D. White, Justin M. Wood 2009-5-22 12901 Riverside San Jacinto Mountains: Quinn Flat Meadow. 1372 Comment
  SD73491  Carex praegracilis E. W. Lathrop 1959-5-17 4571 Riverside 10 miles west of Murrieta; open grasslands; open woods on slopes and valleys; dense grassy stream bank in shallow oak woodland valley. Comment
  RSA90892  Carex sartwelliana F. W. Peirson 1924-7-28 5015 Riverside Pine Flats Camp 1799 Comment
  OBI37489  Carex schottii Steve Boyd 1985-7-23 1024 Riverside De Luz Rd, 8.5 mi W of Rancho Calif; along Sandia Crk 274 Comment
  UCR163713  Castela emoryi B. G. Pitzer, T. Tennant 1998-2-21 3537 A Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, on the lakebed, 1/2 to 3/4 mi.le SE of the pumping station 412 Comment
  POM301823  Castilleja angustifolia James E. Cole 1942-5-10 957 Riverside Joshua Tree National Monument. 1341 Comment
  UCR122546  Castilleja applegatei subsp. martini George K. Helmkamp, E. A. Helmkamp 2001-5-20 6677 Riverside San Jacinto Mountains, Morris Ranch Rd., 2.1 mi NE of CA-74 1570 Comment
  SD229284  Castilleja applegatei subsp. martinii Dick Schwenkmeyer 2012-8-7 793 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  RSA775227  Castilleja exserta Duncan S. Bell, Valentin Arvizu 2010-5-24 1097 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. 1382 Comment
  JEPS29297  Castilleja exserta subsp. exserta Rimo Bacigalupi, and L. Heckard 1962-3-25 8392 Riverside about 5 mi se Corona (just n of Bedford Canyon, at e base of Santa Ana Mountains); Santa Ana Mountains 304 Comment
  UCR94252  Castilleja exserta subsp. exserta Scott D. White 1996-4-14 3912 Riverside Perris Basin/San Jacinto Mtns., E of Hemet: San Jacinto River Wash near Valle Vista, north of Hwy 74, c. 1.7 mi west of USFS Cranston Fire Station 549 Comment
  POM307282  Castilleja foliolosa Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2137 Riverside Santa Rosa Mountains. Comment
  RSA552740  Castilleja foliolosa Steve D. Boyd, Tim S. Ross, Orlando Mistretta 1992-2-25 6672 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Tril from junction 7S04 and 7S01 upstream to southern end of Potrero de la Cienega, but primarily about Tenaja Falls. 396 Comment
  RSA564306  Castilleja foliolosa Scott D. White 1993-3-15 1186 Riverside Elsinore: Highway 74, just west of NW corner of Lake Elsinore. Comment
  UCR113855  Castilleja minor subsp. spiralis Mitch Provance 2000-6-24 2037 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR26173  Castilleja minor subsp. spiralis John C. Roos 1948-4-24 3808 Riverside Eastern San Bernardino Mtns./Sonoran (Colorado) Desert, Whitewater Wash 549 Comment
  UCR126987  Catalpa bignonioides A. C. Sanders, Guy Bruyea 2003-6-12 26892 Riverside Perris-Aguanga Basin Region, Winchester, SE side of town between Simpson Ave. and Olive Ave., east of Hwy 79/Winchester Rd. 450 Comment
  UCR91479  Caucalis microcarpa Scott D. White, Marty Jacobsmeyer 1996-4-20 3950 Riverside Perris-Aguanga Basin region, SW of Perris: hillside south of the San Jacinto River channel 518 Comment
  HSC6671  Caulanthus heterophyllus C. L. Hitchcock 1966-3-16 24179 Riverside 0.25 mi. W of Aguanga Comment
  UCR120659  Caulanthus heterophyllus D. E. Bramlet, P. Jacks, S. Goode 1989-4-6 1798 Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the SE-facing slope of Bachelor Mountain. Transect L-9 482 Comment
  UCR162268  Caulanthus heterophyllus S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1220 Comment
  SD187380  Caulanthus lasiophyllus Naomi Fraga, Lisa Rojas 2005-2-10 1366 Riverside Northeastern Colorado Desert region, just north of Palen Pass Road, ca. 10 miles east of Highway 177. 365 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
  UCR77744  Caulanthus simulans Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6023 Riverside Vail Lake, SW and W flanks of Billy Goat Mtn. 3 mi north of Hwy 79, 1 mi west of Hwy 371, north of Aguanga 880 Comment
  JEPS42118  Ceanothus cordulatus Carl V. Meyer 1928-7-31 615 Riverside San Jacinto Mtns 1828 Comment
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Nov 12 2011
  CAS-BOT-BC48499  Ceanothus crassifolius A. C. Sanders 1998-1-15 21629 Riverside Lake Skinner area: Black Mtn., along road up north side (Bachelor Mtn. 7.5' Q. 883 Comment
  RSA1334  Ceanothus crassifolius Carl B. Wolf 1930-2-21 1473 Riverside Hidden Canyon, near Corona. Santa Ana Mts. Comment
  SD136772  Ceanothus crassifolius Steve Boyd, Kyle Boyd 1993-3-28 7920 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road. 792 Comment
  UCR138820  Ceanothus crassifolius D. L. Banks 1997-2-23 1294 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, south of Pechanga Rd. in the Reservation, north of Pechanga Creek and east of the Pechanga Tribal Government Center 367 Comment
  UCR68479  Ceanothus crassifolius Steve Boyd, T. S. Ross, L. Arnseth 1989-3-19 3019 Riverside Peninsular Range, Vail Lake area, 1 mi west of Vail Lake 640 Comment
  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
  SEINET5339270  Ceanothus cuneatus H. M. Hall 1897-7-3 s.n. Riverside Vicinity of Riverside, CA 610 Comment
  RSA67298  Ceanothus greggii var. perplexans G. R. Campbell 1951-4-22 15996 Riverside Palms to Pines Hwy [74], 1 mi. e. of road to Santa Rosa Mt.[Santa Rosa Mt Truck Trail], 1372 Comment
  UC1073272  Ceanothus greggii var. perplexans George B. Rossbach 1955-4-28 344 Riverside just S of N boundary of San Bernardino National Forest, San Jacinto Mountains, Route 78, SE of Banning Comment
  RSA399914  Ceanothus integerrimus E. S. Spalding 1925-6-13 s.n. Riverside Near Elsinore. Comment
  RSA6107  Ceanothus leucodermis Carl B. Wolf 1932-5-24 3656 Riverside Snow Creek, north base San Jacinto Mountains. 1 mile above the Fish Hatchery. 793 Comment
  CAS-BOT-BC83761  Ceanothus ophiochilus D. O. Burge 2007-3-20 800 b Riverside Agua Tibia Wilderness Area, Cleveland National Forest 660 Comment
  RSA606746  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27402 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
  CAS-BOT-BC51929  Ceanothus perplexans H. M. Hall 1899-5-1 s.n. Riverside Cahuilla Comment
  UCR23674  Centaurea repens John C. Roos 1965-9-21 s.n. Riverside Riverside, Arlington area Comment
  RSA391501  Centaurium venustum M. M. Thompson 1947-6-9 c 2066 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA487201  Centaurium venustum James L. Reveal 1988-5-22 6861 Riverside Rainbow canyon 13 iles south of Pala Road in Wolf Valley, aout 25 miles north of rainbow along US Hwy 395. 518 Comment
  RSA773104  Centaurium venustum Duncan S. Bell, Joy England 2010-6-14 1296 B Riverside San Bernardino National Forest: Garner Valley, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1384 Comment
  SFV20159  Centaurium venustum J. N. Hogue, S. G. Hogue, J. M. Wrublik 2005-9-5 263 .6 Riverside Santa Rosa Mountains Santa Rosa Mountain Truck Trail (=USFS Road 7S02). 0.7 miles from Highway 74. 1500 Comment
  UCR104169  Centaurium venustum Scott D. White 1997-5-25 5243 A Riverside San Jacinto Mtns, Bautista Canyon: Hixon Trail (USFS No. 2E43), between trailhead at Bautista Canyon Road and intermittent stream crossing at c. 3200 ft 976 Comment
  SEINET7379751 Image available Centromadia pungens G. R. Hall 1905-9-3 s.n. Riverside Riverside Comment
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Apr 1 2018
  RSA707578  Centromadia pungens subsp. laevis Jasmine Watts 2005-7-19 s.n. Riverside Hemet. South of Highway 74, and west of Warren Road. Comment
  SEINET8191759 Image available Centromadia pungens subsp. laevis D. W. Taylor 2003-5-8 18550 Riverside San Jacinto Wildlife Area, Davis Road, 0.5 mile N of Lakeview. 434 Comment
  UC1536027  Centromadia 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 miles S of Elsinore. Comment
  UCR217565  Centromadia pungens subsp. laevis Jeff B. Galvin 2008-5-23 49 Riverside Gavilan Plateau, Harford Springs County Park. 800 m east of Gavilan Road, near dirt trail 600 Comment
  RSA735990  Centromadia pungens subsp. pungens Scott D. White, Justin M. Wood 2008-6-26 12295 Riverside Perris Basin: I-215 freeway @ stream crossing, just W of golf course and just N of Newport Rd. 434 Comment
  SD6128  Centrostegia thurberi 1917-5-1 Riverside Mojave Desert near Hesperia Comment
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Nov 20 2011
  UCR201635  Cerastium glomeratum Scott D. White, Justin M. Wood 2008-6-18 12219 Riverside San Jacinto Mountains, K Flat Meadow 1445 Comment
  RSA30514  Cercidium floridum B. D. Stark 1928-11-4 467 Riverside Hidden Springs Canyon 30 Comment
  RSA405369  Cercidium floridum Gale Sphon 1955-5-22 s.n Riverside Dead Indian Canyon near Palm Springs Comment
  JEPS45709  Cercidium floridum subsp. floridum W. L. Jepson 1912-10-28 5239 Riverside Colorado River Riverside Mts. (mesa) Comment
  RSA612828  Cercocarpus betuloides L. Haines, L. C. Erickson 1937-4-10 s.n. Riverside Palms to Pines Hwy near road to Shumway. Comment
  HSC86128  Cercocarpus montanus var. glaber P. Lamos 1972-4-16 416720601 Riverside 4.5 mi. W of jct. 243 and 74 1067 Comment
  RSA0087538  Chaenactis Hutchinson 1927-05 s.n. Riverside Colorado Desert. Comment
  CAS-BOT-BC279534  Chaenactis artemisiifolia Virginia Moran 2003-3-12 s.n. Riverside Peninsular Range: Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and W of Wilson Creek 915 Comment
  SD152948  Chaenactis artemisiifolia Steve Boyd, Tim Ross and Dave Bramlet 1993-5-12 7335 Riverside Southern Santa Ana Mountains; San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos Canyon. 365 Comment
  CAS-BOT-BC276388  Chaenactis carphoclinia Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  JEPS30602  Chaenactis carphoclinia var. carphoclinia Donald M. Kyhos 1958-2-15 58 -13 Riverside Corn Springs Comment
  POM13051  Chaenactis carphoclinia var. carphoclinia Philip A. Munz, D. D. Keck 1922-4-9 4842 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  RSA0026193  Chaenactis carphoclinia var. carphoclinia J. Andre 2013-3-4 23877 Riverside Riverside Mountains; east side of range, along rocky dirt road to historic mine area, 0.8 miles west of Hwy 95, approx 12 miles south of Vidal Junction. 127 Comment
  CAS-BOT-BC276924  Chaenactis fremontii Ira L. Wiggins 1941-3-27 9700 Riverside Slopes 4 miles N of Whitewater Comment
  SFV5007  Chaenactis fremontii F. M. Ball 1964-1-4 s. n. Riverside Open hillside at White Water, 16 miles east of Banning. 457 Comment
  UC64805  Chaenactis fremontii E. E. Schellenger 1904-4-10 76 Riverside bet. Whitewater and Banning; Colorado Desert Comment
  SD144054  Chaenactis glabriuscula Scott D. White 1997-5-25 5222 Riverside Bautista Canyon: Along Bautista Cyn Rd., < 1.3 road miles NW of Hixton Trailhead (USFS No. 2E43). 700 Comment
  UCR48369  Chaenactis glabriuscula Steve Boyd 1986-5-1 1820 Riverside S slopes of Bachelor Mtn, east end of Lake Skinner Comment
  JEPS34147  Chaenactis glabriuscula var. glabriuscula W. L. Jepson 1914-5-25 6074 Riverside Banning Comment
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Mar 13 2011
  RSA613635  Chaenactis glabriuscula var. glabriuscula Darin L. Banks, Victor Steinmann 1997-3-13 1482 B 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
  UCR103188  Chaenactis glabriuscula var. glabriuscula Scott D. White, Julie Greene 1997-3-12 4783 Riverside Perris Basin, Sun City, near Interstate Hwy 215, south of Perris and north of Menifee, low hills east of Bavaria Drive 488 Comment
  JEPS34181  Chaenactis glabriuscula var. lanosa Marjorie D. Clary 1932-7-3 1212 Riverside near Kenworthy; Hemet Valley 1371 Comment
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Mar 25 2011
  POM6011  Chaenactis glabriuscula var. lanosa H. M. Hall 1902-4-21 15737 Riverside Vicinity of Riverside, in the upper sonoran 274 Comment
  RSA753480  Chaenactis glabriuscula var. lanosa Scott D. White, Justin M. Wood 2009-5-21 12864 Riverside San Jacinto Mountains: Garner Valley, near abandoned duck ponds, S of Quinn Flat. 1357 Comment
  CAS-BOT-BC284353  Chaenactis stevioides Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center, Colo. Desert Comment
  HSC101261  Chaenactis stevioides Jim Andre 2012-3-19 21353 Riverside Chuckwalla Valley; along Hwy 177, 8.6 mi. NE of Jct with I-10. 152 Comment
  RSA19431  Chaenactis stevioides var. stevioides I. W. Clokey 1935-4-17 6942 Riverside Cottonwood Springs. Comment
  JOTR34149  Chaenactis xantiana La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler, D. Shade 2011-4-26 3164 Riverside Joshua Tree National Park. Pleasant Valley, south of Gold Coin mine complex; mud flats and sandy hummocks on valley floor (Stop 5) 959 Comment
  RSA339341  Chamaesyce R. F. Thorne, W. A. Tilforth 1980-5-28 54175 Riverside San Bernardino Mountains, dry, Colorado Desert slopes, S-facing and W-facing, N-S rocky ridge at E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 miles E of Whitewater Post Office. Comment
  RSA499007  Chamaesyce maculata L. C. Wheeler 1932-9-4 1330 Riverside Santa Ana River at Chino Creek. 152 Comment
  RSA781420  Chamaesyce micromera Duncan S. Bell 2011-10-22 3000 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  SBBG4022  Chamaesyce micromera H. and M. Dearing 1937-4-9 956 Riverside near Indio Comment
  POM2793  Chamaesyce polycarpa P. A. Munz 1918-4-28 2150 Riverside Elsinore. Comment
  RSA0042472  Chamaesyce polycarpa Deidre Conocchioli, Billy Sale, Naomi Fraga 2013-9-25 62 Riverside East of Alligator Rock: From I-10 at Desert Center, head south on CA-177 to BLM Rd 394 (dirt). Collection site is 1.1 miles SW of interstate exit ramp. 334 Comment
  RSA85088  Chamaesyce polycarpa J. C. Roos 1952-4-9 5496 Riverside Scattered along dry sunny roadside with Avena barbata, Muhlenbergia microsperma, etc., southeast face Mt. Rubidoux. 335 Comment
  UC1130420  Chamaesyce polycarpa H. S. Yates 1937-3-23 6439 Riverside 15 mi nne Mecca 548 Comment
  RSA670445  Chamaesyce setiloba B. C. Templeton 1930-3-22 1632 Riverside Palm Springs. 400 Comment
  RSA524228  Cheilanthes clevelandii Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4022 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  CAS-BOT-BC70030  Cheilanthes covillei Nancy Ryan Zabriskie; Walter Zabriskie 1971-3-7 355 Riverside Andreas Canyon, E. slope San Jacinto Mts. 15 Comment
  JOTR34165  Cheilanthes covillei Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 122 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Pinyon Well; Riparian area near small series of active springs and seeps (Stop 2) 1182 Comment
  RSA125966  Cheilanthes covillei E. K. Balls, Percy C. Everett 1957-11-4 22752 Riverside Snow Creek, about Old Fish Hatchery, N base San Jacinto Mtns. 701 Comment
  UCR90970  Cheilanthes newberryi Scott D. White 1996-3-16 3833 Riverside Perris Basin, Lakeview Mtns, north of Winchester, at 'Maze Stone' Picnic Site 610 Comment
  RSA685829  Cheilanthes viscida I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon, Little Palm Canyon fork 305 Comment
  UCR167303  Chenopodium botrys Scott D. White, Jennifer H. Jones 2005-5-24 11093 Riverside Banning Pass area, Cabazon: San Gorgonio River wash and adjacent alluvial flats and benches to W 610 Comment
  UC1931134  Chenopodium californicum Scott D. White, Justin Wood 2008-6-17 12170 Riverside San Jacinto Mountains: Garner Valley-Kenworthy Station (USFS). (Butterfly Peak) Comment
  UCR158499  Chenopodium californicum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30039 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
  UCR231323X  Chenopodium desiccatum Mitch Provance 2000-7-30 2171 Riverside Jurupa Mountains, NW Jurupa Mtns; SW of the E extreme of Philadelphia St. 305 Comment
  CLARK-A1528-2561  Chenopodium fremontii John C. Roos 1946-8-27 9212 Riverside Santa Rosa Mountains 2438 Comment
  OBI17202  Chenopodium murale Tracey & Viola Call, Viola Call 1962-4-8 2122 Riverside Rancho rd, Corona 213 Comment
  UCR193859  Chilopsis linearis A. C. Sanders 2008-7-25 35925 Riverside Interior South Coast; San Jacinto Valley, Gilman Springs Road at foot of Jackrabbit Trail, N of Mystic Lake and E of Quail Lake Golf Course 462 Comment
  UCR193959  Chilopsis linearis A. C. Sanders 2008-7-25 35924 Riverside Interior South Coast; San Jacinto Valley, Gilman Springs Road, c. midway between Bridge St. and Lambs Canyon Rd., c. 5.6 mi. (air) ENE of Lakeview 473 Comment
  UCR199614  Chilopsis linearis Scott D. White, Angelia Carey 2004-7-2 10565 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  UCR22207  Chilopsis linearis Steve Boyd 1980-9-22 s.n. Riverside Lakeview Mtns., Juniper Flats Rd, just NW of the communication site Comment
  JEPS9185  Chilopsis linearis subsp. arcuata W. L. Jepson 1901-5-22 1361 Riverside Palm Canyon to Van de Venter's s. of Palm Springs; San Jacinto Mts. Comment
  OBI30219  Chilopsis linearis subsp. arcuata George J. Ley 1971-4-7 P 73 Riverside 2 mi N of Palm Srpings, off hwy III, W on dirt road approx. 1/4 mi into Chino Canyon. 244 Comment
  SEINET273145 Image available Chloris truncata A. C. Sanders 1997-3-26 20138 Riverside Lake Skinner Area: large clay patch adjacent to the Skinner entrance road, ca. 1 km NE of Borel Rd. Bachelor Mt. 7.5' Q. 473 Comment
  CAS-BOT-BC184873  Chloris virgata S. B. Parish 1913-2-26 8461 Riverside Salton Basin. Mecca. -57 Comment
  CLARK-A1528-4574  Chloris virgata John C. Roos 1952-9-3 5897 Riverside Riverside 304 Comment
  UC63965  Chlorogalum parviflorum Miss Ella Foster 1897-5-15 534 Riverside Menifee Menifee (Southern California) Comment
  CAS-BOT-BC39668  Chorispora tenella D. Bramlet 1993-3-20 2296 Riverside 5.6 km west of Hemet, 671 m. south of the intersection of Florida Ave. and Warren Road. The site is alongside Warren Rd. 457 Comment
  UCR178531  Chorizanthe brevicornu R. G. Swinney 1967-5-26 145 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 381 Comment
  CAS-BOT-BC191706  Chorizanthe brevicornu var. brevicornu Carl B. Wolf 1932-4-26 2974 Riverside Colorado Desert. 5 mi E of Mecca, on Blythe Road 30 Comment
  JOTR16632  Chorizanthe brevicornu var. brevicornu Vanderspek & Nolte 1964-4-17 s.n. Riverside Joshua Tree National Park. Comment
  CAS-BOT-BC191853  Chorizanthe corrugata Carl B. Wolf 1932-4-29 3096 Riverside Eastern Colorado Desert. W edge of Maria Mts. 17 mi from Blythe on Rice Road 152 Comment
  UCD84932  Chorizanthe corrugata Chuck Hughes 2010-3-22 204 Riverside About 10.4 miles south of Highway 62, next to railroad tracks. 248 Comment
  RSA487419  Chorizanthe fimbriata Steve Myers 1988-5-17 s.n. Riverside Santa Rosa Plateau area W of Murrieta, Via Majorca .25 mi. N of the intersection with Avenida Arboles. Comment
  UC1543904  Chorizanthe fimbriata var. laciniata Barbara Ertter with Jeffrey L. Strachan 1980-5-22 3489 Riverside hills on e side Dripping Springs Campground (Cleveland National Forest near Highway 79 between Aguanga and Temecula, n of Wild Horse Park); Cleveland National Forest, n of Wild Horse Park 609 Comment
  RSA739344  Chorizanthe leptoceras Keith E. Hoffmaster 1937-6-6 759 Riverside Near Valle Vista, Hemet Valley. Comment
  CAS-BOT-BC191345  Chorizanthe leptotheca James L. Reveal; C. Rose Broome 1987-6-27 6611 Riverside San Jacinto Mountains, along the road toward Lake Hemet Campground on the N shore of Lake Hemet, 0.2 mile E of the Lake Hemet Picninc Area and 0.8 mile W of CA Highway 74 1630 Comment
  RSA784515  Chorizanthe leptotheca Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 72 Riverside Crossing of Woodchunk road and 79 Hwy Comment
  RSA784655  Chorizanthe leptotheca Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 60 Riverside Temescal Canyon road, exit Indian Truck Trail from Hwy 5, southern coast of Corona lake, dry flood-plain. Comment
  UCR174176  Chorizanthe parryi var. parryi A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32575 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  RSA585883  Chorizanthe polygonoides var. longispina D. L. Banks, S. D. Boyd 1995-5-9 317 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
  UCR159985  Chorizanthe polygonoides var. longispina 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
  UCR217538  Chorizanthe polygonoides var. longispina Diane Menuz 2008-3-27 388 Riverside Peninsular Range: Santa Ana Mountains, Santa Rosa Plateau. Along Waterline Rd., near Mesa de Burro. 581 Comment
  UCR217660  Chorizanthe polygonoides var. longispina Ana Hernandez 2010-3-22 015 Riverside Perris-Aguanga Basin, French Valley, 1.05km south of Scott Rd. and 650m west of Leon Rd. 432 Comment
  UCR48518  Chorizanthe polygonoides var. longispina Steve Boyd 1986-5-1 1788 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  UCR50734  Chorizanthe procumbens S. J. Myers 1988-5-17 s.n. Riverside Santa Rosa Plateau, W of Murrieta, 0.25 mi. north of the intersection with Avenida Arboles Comment
  POM183978  Chorizanthe rigida P. A. Munz 1932-3-14 11998 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  RSA607326  Chorizanthe rigida R. S. Woglum 1939-3-21 2175 Riverside Sonoran Desert: Mecca; north edge of Salton Sea. Comment
  RSA388504  Chorizanthe staticoides Steve Boyd 1986-5-1 1812 Riverside Bachelor Mtn.: Lower south slopes of Bachelor Mtn., east end of Lake Skinner. Comment
  RSA525356  Chorizanthe staticoides Steve Boyd, Andy Sanders, Mark Skinner 1990-4-28 4452 Riverside Vail Lake area, low, sedimentary hills to E of USFS Dripping Springs Campground along Arroyo Seco Crk, S of Hwy 79. 488 Comment
  RSA628203  Chorizanthe xanti var. leucotheca A. C. Sanders 1994-5-29 14577 Riverside East Branch Millard Canyon, along Forest Service Road 4S45. 1200 Comment
  UCR167057  Chorizanthe xanti var. leucotheca Scott D. White, Jennifer H. Jones 2005-5-24 11098 Riverside Banning Pass area, Cabazon: San Gorgonio River wash and adjacent alluvial flats and benches to W 610 Comment
  RSA476635  Chrysolepis sempervirens G. R. Johnstone 1928-9-3 s.n. Riverside Near the Summit. San Jacinto Mt. 3277 Comment
  POM295630  Chrysothamnus paniculatus Lyman Benson 1952-12-29 15085 Riverside 2 miles NW of the jct of Hwy 99 and Palm Springs Road 457 Comment
  POM243703  Chrysothamnus teretifolius E. C. Jaeger 1938-10-22 s.n. Riverside 12 miles S of Warren's Well Comment
  JEPS23478  Chylismia arenaria Marjorie D. Clary 1932-12-18 1715 Riverside Clemens Well Colorado Desert, Orocopia Mountains (at foot of mountains) 243 Comment
  UCD103715  Chylismia brevipes LeRoy Gross; Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1408 Riverside Colorado Desert. Chocolate-Chuckwalle Mountains region. Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 479 Comment
  JOTR34385  Chylismia brevipes subsp. brevipes Andre, Jim 2012-4-16 20908 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 3.1 miles north of South Entrance, 4.1 miles north of I-10 788 Comment
  JOTR37496  Chylismia brevipes subsp. brevipes Hodges, Stephen R., L. Ashfield 2016-1-20 625 Riverside Joshua Tree National Park. Eagle Mountains, Black Eagle Mine road, northern edge of mountains near eastern park boundary (Stop 1). Comment
  SDSU8600  Chylismia brevipes subsp. brevipes Pamela A. Beare 1992-3-13 13 III92D Riverside Just north of Box Canyon Road, approx. 7 miles ca. east of Painted Canyon Road, east of Mecca 280 Comment
  UC1184317  Chylismia brevipes subsp. brevipes Peter H. Raven 1958-3-16 11861 Riverside Fried Liver Wash Joshua Tree National Monument, Pinto Basin Comment
  CAS-BOT-BC160586  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-1-24 11437 Riverside On desert alluvial fan of Fargo Canyon Comment
  UC1184368  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-3-1 11746 Riverside US Hwy 95 8.6 mi n Blythe Comment
  RSA0070672  Cirsium occidentale var. californicum Duncan S. Bell, Jeffrey Morawetz, Kathleen Ashbaker 2010-6-28 1432 Riverside San Bernardino National Forest: Garner Valley, in the vicinity of Tool Box Spring trailhead, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1388 Comment
  UCR80804  Cirsium occidentale var. occidentale Scott D. White 1993-5-29 1437 Riverside San Bernardino Mtns., Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1067 Comment
  RSA0070886  Cirsium scariosum G. R. Campbell 1951-5-30 16156 Riverside Northern end of Hemet Valley, San Jacinto Mountains. 1616 Comment
  UCR178415  Cirsium vulgare John F. Green, M. D. Wilcox 2003-7-15 s.n. Riverside San Jacinto Mtns., on powerline trail, picnic area at Juan Diego Flats, NW of Cahuilla Mountain 1220 Comment
  CAS-BOT-BC438845  Cistanthe monandra L. A. Greata 1905-4-1 401 Riverside Coachella Comment
  CAS-BOT-BC438847  Cistanthe monandra H. S. Yates 1937-3-23 6405 Riverside 2 miles north of Palm Springs 213 Comment
  RSA613328  Cistanthe monandra D. L. Banks 1997-3-6 1392 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
  UCR241940  Citrullus lanatus var. citroides A. C. Sanders, Jose Aguiar 2012-12-19 40530 Riverside Sonoran (Colorado) Desert, Coachella Valley, NE of Mecca above intersection of Ave. 62 and Johnson St. near Coachella Canal -8 Comment
  CAS-BOT-BC164338  Clarkia dudleyana A. C. Sanders 1994-5-29 14568 Riverside San Bernardino Mountains: Millard Canyon, at stream crossing just below site of Millard Station on FS Road 2S05 1100 Comment
  UCR133435  Clarkia purpurea Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 450 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  UC69182  Clarkia purpurea subsp. quadrivulnera H. M. Hall June 1905 6241 Riverside Box Springs Mt vicinity of Riverside (e base); E base of Box Springs Mt., vicinity of Riverside. 609 Comment
  UCR112823  Clarkia purpurea subsp. quadrivulnera A. C. Sanders 1997-5-1 20612 Riverside Lake Skinner area, north foot and lower slopes of Black Mtn., edge of Crown Valley on E side of Rawson Canyon 671 Comment
  SEINET6944613  Clarkia purpurea subsp. quadrivulnera W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris, at base of Gavilan Hills. Comment
  POM12788  Clarkia rhomboidea P. A. Munz 1922-6-23 5771 Riverside Keen Camp, San Jacinto Mountains. 1524 Comment
  POM17813  Clarkia rhomboidea P. A. Munz 1923-6-14 7091 Riverside Santiago peak, Santa Ana Mountains. 1616 Comment
  UCR49233  Claytonia perfoliata subsp. mexicana Steve Boyd 1986-4-2 1613 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  SDSU13495  Claytonia perfoliata subsp. perfoliata Shawn Johnston, Calf. Plant Taxonomy Class Spring 2000 2000-4-1 15 Riverside Santa Margarita Ecological Reserve North End. Comment
  CAS-BOT-BC91329  Clematis lasiantha Carl B. Wolf 1941-8-15 11156 Riverside Santa Ana Mountains, east slope along main divide Motorway between Indian Canyon Summit and Trabuco Peak. 1371 Comment
  RSA386221  Clematis lasiantha Christopher Davidson 1977-5-18 5629 Riverside Santa Ana Mts, Cleveland National Forest, Bear Springs. 1220 Comment
  RSA522769  Clematis pauciflora Steve Boyd, Tim S. Ross, Laurel Arnseth 1990-3-29 3876 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
  UCR120194  Clematis pauciflora Mitch Provance 1998-3-7 146 Riverside Jurupa Mountains, 'Rattlesnake Mt.', c. 0.5 km east of corner of Rorimer Dr. and Brenton St., on the E side of Armstrong Rd., in the Sunnyside area of Riverside. 366 Comment
  UC26586  Collinsia concolor H. M. Hall Jun 1901 2025 Riverside San Jacinto Mtns 1371 Comment
  UCR91278  Collinsia concolor Scott D. White 1995-4-5 2748 Riverside Perris Valley, Lakeview Mountains; SW of Juniper Flat Road 579 Comment
  UCR15986  Collinsia heterophylla K. T. Seng 1966-3-27 660327 2 Riverside Riverside, 0.5 miles north corner of Wood and Roberts. About 4 miles from freeway 395. Woodcrest area. 488 Comment
  UCR160491  Collinsia parryi A. C. Sanders 1994-5-30 14612 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  RSA45543  Colubrina californica J. C. Roos 1949-4-10 4231 Riverside 3.5 mi. SE of Desert Center, Chuckwalla Mountains. 610 Comment
  SD211456  Colubrina californica Carolyn Martus, Joseph Betzler, Caesara Brungraber, Lance Woolley 2008-4-23 1217 Riverside Northwest of the Blythe airport and in the washes east of the McCoy mountains. Comment
  CAS-BOT-BC215976  Convolvulus Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-3 4059 Riverside Vail Lake area, summit of Big Oak Mtn. at E end 792 Comment
  SEINET3091117 Image available Convolvulus arvensis C. M. Flanagan 1971-5-25 Riverside East La Cadena Drive near Center Street, Highgrove. Comment
  UCR172210  Convolvulus simulans John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County, along Briggs Road between Porth Road and Los Alamos Road 402 Comment
  UCR87116  Convolvulus simulans Steve Boyd 1991-5-10 6219 Riverside Santa Ana Mtns, Temescal Canyon, E base of mountains, just SE of Indian Truck Trail off ramp of Hwy I-15, south of DePalma Road 366 Comment
  POM13243  Conyza bonariensis P. A. Munz, I. M. Johnston 1922-5-19 5358 Riverside 5 miles NE of Murietta. 457 Comment
  RSA0010992  Cordylanthus rigidus subsp. setiger A. C. Sanders, E. J. Lawlor 1988-10-22 8728 Riverside Pinyon Flats area, Santa Rosa Mountains, along the trail from Dolomite Mine to Horsethief Creek. 1200 Comment
  RSA0011003  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Jeff Morawetz, Kathleen Ashbaker 2010-6-28 1439 Riverside San Bernardino National Forest: Garner Valley, just north of the community of Thomas Mountain, approximately 3.6 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1384 Comment
  UCD143009  Coreopsis bigelovii Raymond A. Evans 1999-3-1 s.n. Riverside North of Palm Springs, mouth of White Water Canyon. Comment
  CAS-BOT-BC287882  Coreopsis californica A. C. Sanders; K. Rose 1995-4-5 16357 Riverside San Bernardino Mts/Coachella Valley: S of Mission Creek and E of Highway 62 700 Comment
  UCR67362  Coreopsis californica Steve Boyd, T. S. Ross, L. Arnseth 1990-3-30 3974 Riverside Peninsular Range, Vail Lake area, valley between Black Hills & Rocky Ridge 701 Comment
  CAS-BOT-BC101308  Corethrogyne filaginifolia Wesley Griesel 1962-9-18 744 Riverside Dark Canyon, San Jacinto Mts. 1920 Comment
  CAS-BOT-BC287191  Corethrogyne filaginifolia A. C. Sanders 2004-7-1 28382 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, large rocky hill (1762 ft) 1 mile E of Murrieta Rd and 1 mile N of Bundy Canyon Rd, ca 5 miles due S of Sun City 488 Comment
  RSA450483  Corethrogyne filaginifolia J. C. Roos 1965-8-19 s.n. Riverside Beaumont. Comment
  RSA829  Corethrogyne filaginifolia J. T. Howell 1927-8-2 560 Riverside Near Strawberry Valley, Mt. San Jacinto. 1677 Comment
  UCD130861  Corethrogyne filaginifolia R. N. Raynor 1933-3-31 s.n. Riverside Moreno Valley. Comment
  RSA93216  Corethrogyne filaginifolia F. W. Peirson 1924-7-28 5017 Riverside Pine Flats Camp 1799 Comment
  SEINET4565651 Image available Corethrogyne filaginifolia var. brevicula Philip A. Munz 1938-1 15383 Riverside Santa Rosa Mountains; ridge East of Toro Peak 2438 Comment
  UCR104036  Cotula australis George K. Helmkamp, E. A. Helmkamp 1997-3-5 1328 Riverside 2.8 mi SE of Gilman Hot Springs 518 Comment
  RSA757637  Crassula connata LeRoy Gross, Jackie McConnaughy, Andrew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4317 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon., Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  SD143943  Crassula connata A. C. Sanders 1997-3-1 19706 Riverside Box Springs Mountains; Coyote Hill and ridge south and southeast of the UCR Botanic Garden. 420 Comment
  UCR111585  Crassula connata Mitch Provance 1999-5-4 1689 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  RSA359856  Crassula connata Steve Boyd 1986-4-2 1630 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  CLARK-A1528-423  Crassula erecta Fred B. Essig 1967-5-7 Riverside Riverside 457 Comment
  RSA357152A  Crassula solieri R. F. Thorne 1973-5-23 43849 -A Riverside Santa Rosa Plateau:; N side of Mesa de Colorado. 610 Comment
  POM129654  Cressa truxillensis J. D. Abrams 1900-05 11204 Riverside Elsinore Comment
  CAS-BOT-BC175813  Crossosoma bigelovii Joseph Andorfer Ewan 1932-4-8 7046 Riverside Whitewater Canyon, about 3 miles above mouth Comment
  UC11993  Crossosoma bigelovii S. B. Parish Apr 4 1896-Apr 13 1896 4105 Riverside Palm Springs (Agua Caliente) San Jacinto Mt. (desert base of mt.) 152 Comment
  SEINET10777953  Croton J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12853 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then several kilometers on Whitewater Canyon Road to where it crosses over the river. Comment
  NY43331  Croton californicus C. R. Annable 1995-3-9 2255 Riverside BLM land, ca. 13km N of Rancho Mirage, behind A-1 Cement Comment
  SEINET6062496  Croton californicus S. B. Parish Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  UCR116007  Croton californicus A. C. Sanders, D. Bramlet, E. J. Lawlor, C. L. Sanders 2000-1-16 23304 Riverside Shipley-Skinner Reserve, Tucalota Creek at horse trail crossing east of Lake Skinner 457 Comment
  CLARK-A1528-431  Croton californicus subsp. californicus C. M. Flanagan 1973-6-13 OO 702 Riverside Morongo Indian Reservation 1158 Comment
  CDA35285  Croton californicus var. mohavensis A. C. Browne 1952-4-23 Riverside Palm Springs 0 Comment
  POM230646  Croton californicus var. mohavensis I. W. Clokey 1935-4-16 6726 Riverside East of Mecca. 200 Comment
  SEINET3292214 Image available Cryptantha Lewis S. Rose 1938-12-22 38338 Riverside 12 miles Southwest of Cathedral City, Palms to Pines Highway, San Jacinto Mountains 457 Comment
  UCR256768  Cryptantha T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7879 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 549 Comment
  UCR281493  Cryptantha Mitch Provance, Matt K. Beyers, John Hazlett 2017-3-30 317- 92 Riverside Temescal Valley, S of the 15 Fwy., 0.3 miles W of Hostettler Rd. 384 Comment
  JOTR16628  Cryptantha angustifolia Wilburn and Walters 1967-3-7 s.n. Riverside Joshua Tree National Park. LOWER WILSON CANYON Comment
  POM316874  Cryptantha angustifolia Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  SD21525  Cryptantha angustifolia Frank F. Gander 1938-5-21 5768 Riverside Shaver's Well Comment
  SEINET3083709 Image available Cryptantha angustifolia George K. Helmkamp, E. Helmkamp 1998-1-17 2546 Riverside Sonoran (Colorado) Desert; Mecca Hills, Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal 0 Comment
  UC280442  Cryptantha angustifolia Childs May 1920 Riverside e of Coachella Comment
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Nov 19 2011
  RSA782079  Cryptantha barbigera Duncan S. Bell 2009-3-9 118 Riverside Arica Mountains: east side of mountain range, west side of Rice Valley approximately 2.7 air miles northeast of Priest Well or approximately 3.3 air miles southeast of the ghost town of Rice. 244 Comment
  SBBG87819  Cryptantha barbigera A. C. Sanders with Pitzer, Charlton, Kniffen 1986-3-3 6116 Riverside Corn Spring, wash below the spring and wash and rocky slopes to the S; Chuckawalla Mtns 487 Comment
  SEINET3004988  Cryptantha barbigera G. Rink, M. Baker 2011-4-2 10416 Riverside Northwest of Blythe, east of the McCoy Mtns, vegetated pockets in desert pavement 170 Comment
  UCSB38658  Cryptantha barbigera Cowan, Clark 1978-4-23 Riverside 12.1 mi (19.2 km) S on Hwy. 74 from jct. with Hwy. 111 at Indian Wells 950 Comment
  UCSB52571  Cryptantha barbigera Cowan, Clark 1978-4-23 Riverside Above San Jacinto tramway parking lot, Chino Canyon; Whittaker transect #W-217 570 Comment
  GMDRC2333  Cryptantha barbigera var. fergusoniae J. Andre 2006-4-6 8148 Riverside Little San Bernardino Mountains: Joshua Tree National Park: approx 50 m. N. of Keys View Parking area. Elev. 5094 ft. 1553 Comment
  UCR268946  Cryptantha barbigera var. fergusoniae Jim Andre 2015-3-2 31359 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
  RSA0031380  Cryptantha clevelandii E. W. Lathrop 1966-5-8 6413 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  POM12150  Cryptantha costata Mary F. Spencer 1920-3-16 1514 Riverside Mecca -60 Comment
  SEINET12280754  Cryptantha costata Unknown 1936-1 12813 Riverside foothills of San Jacinto Mts, S of Palm Springs Comment
  RSA0119885  Cryptantha decipiens Duncan S. Bell, Thomas Stoughton 2016-4-12 9219 Riverside Santa Rosa Mountains; eastern side of Martinez Mountain; in a side canyon off of Martinez Canyon, approximately 3.5 air miles southwest of the junction of Agua Alta Canyon and Martinez Canyon. 861 Comment
  RSA699333  Cryptantha decipiens J. R. Bruff 1928-4-2 s.n. Riverside Canyon wash 1 mile west of Morengo. Comment
  SBBG6254  Cryptantha decipiens H. and M. Dearing 1942-2-6 4800 Riverside near Cathedral City Comment
  UC667391  Cryptantha dumetorum Annie M. Alexander and Louise Kellogg 1941-4-27 2097 Riverside Joshua Tree National Monument, Riverside and San Bernardino counties Joshua Tree National Monument 1310 Comment
  RSA784939  Cryptantha holoptera Duncan S. Bell 2012-2-12 3107 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  JEPS67662  Cryptantha intermedia W. L. Jepson 1914-5-25 6084 Riverside near Redlands (between Beaumont and Redlands); San Timoteo Canyon Comment
  RSA13343  Cryptantha intermedia Percy C. Everett 1935-6-17 7165 Riverside Santa Ana Mts. Coldwater Canyon trail to Santiago Peak. 2 miles above Glen Ivy resort. 609 Comment
  RSA586729  Cryptantha intermedia D. L. Banks, S. D. Boyd 1995-5-17 452 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. 598 Comment
  RSA673554  Cryptantha intermedia Scott D. White, Tasha La Doux 2000-4-20 7679 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  UCR120943  Cryptantha intermedia A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24915 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR155133  Cryptantha intermedia A. C. Sanders, Kelly Volansky 2005-3-17 29203 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  UCR16167  Cryptantha intermedia Rodney Hendrick 1965-5-2 s.n. Riverside Peninsular Range, Temecula Creek and Hwy. 71 610 Comment
  UCR162276  Cryptantha intermedia S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1220 Comment
  RSA27454  Cryptantha maritima I. L. Wiggins 1941-3-24 9579 Riverside Along eastern side of Salton Sea, 2.7 miles south of Mortmar. Comment
  UCR281023  Cryptantha maritima Fred M. Roberts 2016-3-5 8001 Riverside Sonoran (Colorado) Desert, Little Maria Mountains: shallow canyon at west end, 4.3 km east of Palen Pass and 2.0 km WNW Peak "602" 116 Comment
  RSA699345  Cryptantha micrantha J. R. Bruff 1928-4-2 s.n. Riverside Whitewater Comment
  UC24834  Cryptantha micrantha W. G. Wright 1890-1 1772 Riverside Colorado Desert Comment
  UC489041  Cryptantha micrantha C. V. Meyer 1927-6-1 160 Riverside Saunders Meadow San Jacinto Mts. 1706 Comment
  RSA777445  Cryptantha micrantha var. micrantha Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 970 Riverside Blythe-Rice Road, East/Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing 243 Comment
  UCR128918  Cryptantha microstachys A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23900 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
  UCR174373  Cryptantha microstachys A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32660 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  RSA0089246  Cryptantha muricata Steve D. Boyd, Valerie Soza 2004-6-22 11544 Riverside Peninsular Ranges: San Jacinto Mountains region: Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along forest service road 5N13 near 5N06. 1463 Comment
  UC24692  Cryptantha muricata H. M. Hall Jun 1901 2224 Riverside Onstatt Valley San Jacinto Mountains 1524 Comment
  RSA0119988  Cryptantha muricata var. denticulata Duncan S. Bell, Thomas Stoughton 2016-4-13 9264 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  OBI66288  Cryptantha pterocarya LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1464 Riverside Colorado Desert; Chocolate-Chuckwalla Mts region; Corn Springs campground in the Chuckwalla Mts. cyn SW of campground. UTMs 3721895N, 355238E; and UTM 3720669N, 654757e 549 Comment
  SBBG29800  Cryptantha pterocarya H. and M. Dearing 1942-3-9 4819 Riverside Eagle Cyn near Palm Springs Comment
  RSA0078805  Cryptantha pterocarya Robert Gustafson 1983-3-27 2484 Riverside Just southwest of Lake Cahuilla. Comment
  UC1601965  Cryptantha pterocarya var. purpusii H. M. Hall May 1899 1161 Riverside between San Jacinto Mt. and El Toro Mt. (at Van Deventer's Ranch); San Jacinto Mountains 1371 Comment
  UCR117667  Cryptantha simulans T. Schram, D. Wappler 1994-7-14 s.n. Riverside San Jacinto Mtns., Lake Hemet. Comment
  JOTR29588  Cryptantha utahensis Andre, Jim 2006-4-26 6765 Riverside Joshua Tree National Park. Long canyon, approx 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  RSA0081618  Cryptantha utahensis Jim M. Andre 2012-4-11 20823 Riverside Joshua Tree National Park; western margin of Eagle Mtns, along road to Cottonwood Spr (Utah Trail), 0.6 mi. south of Cottonwood Visitor Ctr. 913 Comment
  POM296656  Cuscuta californica var. papillosa L. S. Rose 1946-12-23 46300 Riverside Cathedral Canyon Wash. 183 Comment
  CLARK-A1703-58  Cuscuta subinclusa H. A. Zuill 1966-7-4 276 Riverside Murrieta Comment
  UC520001  Cuscuta subinclusa Joseph Andorfer Ewan 1932-7-9 7497 Riverside Santa Ana River at Chino Creek; Santa Ana River Comment
  UCR86869  Cycloloma atriplicifolium A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16278 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
  CAS-BOT-BC59392  Cylindropuntia acanthocarpa var. acanthocarpa Roxana S. Ferris 1928-4-21 7179 Riverside Field redacted by CAS, contact the data manager for more information Comment
  JOTR31921  Cylindropuntia bigelovii La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2163 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; west Pinkham Wash, west of Pinkham Canyon Road; sandy gravel flats near road Comment
  UCR262461  Cylindropuntia californica Julie Nguyen 2013-4-6 03 Riverside Riverside, Sycamore Canyon Wilderness Park, c. 1 mile from Hwy 60 427 Comment
  POM294993  Cylindropuntia echinocarpa David Griffiths 1905-7-21 8010 Riverside Whitewater. Comment
  UC1560187  Cylindropuntia ramosissima E. Yale Dawson May, 1932 Riverside Desert Center Colorado Desert Comment
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Apr 5 2011
  SEINET10905506  Cynodon dactylon Billy Joe Cox 1975-10-10 Cox 4215 Riverside Palo verde, 1-3 km w, creosote desert scrub, sandy and gravelly entisols. 70 Comment
  CAS-BOT-BC143217  Cyperus albostriatus O. F. Clarke 2006-4-25 s.n. Riverside Peninsular Range: Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  RSA666643  Cyperus difformis A. C. Sanders 2001-12-22 24891 Riverside Perris-Aguanga Basin: Perris, south side of Mildred St. between Redlands Ave. and Ruby St. 436 Comment
  CAS-BOT-BC114541  Cyperus eragrostis Scott D. White 1996-9-22 4540 Riverside Perris: Nuevo Road near intersect. w/Wilson Ave., W of the San Jacinto Riv crossing. 432 Comment
  POM319702  Cyperus eragrostis Patricia Wilder 1971-11-11 5289 Riverside Along Santa Ana River, Santa Ana River Drainage Area. 229 Comment
  UCR104089  Cyperus odoratus John Wear 1997-9-18 s.n. Riverside Sonoran (Colorado) Desert, City of La Quinta, Washington Street, c. 100 m from Pine 43 Comment
  UCD141139  Cyperus rotundus Malcolm A. Nobs; S. Galen Smith 1948-9-3 503 Riverside Thermal. Imperial Valley. Comment
  UCR101431  Cyperus squarrosus A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22233 Riverside San Bernardino Mtns., Morongo Indian Reservation, lower Millard Canyon 841 Comment
  RSA215570  Dalea formosa Susan O'Brien 1970-5-9 s.n Riverside Apache trail near Banning. Comment
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Nov 30 2014
  POM254735  Dalea mollis P. A. Munz 1940-3-23 15689 Riverside Gold Crown mine, Pinto Mts. east of 29 Palms. 915 Comment
  SEINET3005047  Dalea mollissima G. Rink 2011-4-25 10483 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe, desert pavement 118 Comment
  UCR260251  Dalea mollissima A. C. Sanders, Jim Malusa 2015-3-11 41391 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Gasline Road at junction with road to Observation Point Slats, US Navy Chocolate Mountains Aerial Gunnery Range 723 Comment
  RSA129647  Dasyochloa pulchella H. S. Yates 1937-6-27 6724 Riverside Head of Deep Canyon. 1220 Comment
  UC1532803  Datisca glomerata Robert F. Thorne, C. W. Tilforth, L. DeBuhr and E. Lathrop 1975-8-29 47299 Riverside along Tenaja Creek, Cleveland National Forest Tenaja Creek; Santa Rosa Plateau, Cleveland National Forest, Tenaja Creek Comment
  UCR193503  Datisca glomerata A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35647 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1555 Comment
  UCR194227  Datisca glomerata Scott D. White, Angelia Carey 2004-6-4 10477 B Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  SD229294  Datura wrightii Dick Schwenkmeyer 2013-6-11 909 Riverside Approx. 1.5 miles north od highway 74 and Royal Carrizo Road intersection. 854 Comment
  UC884535  Datura wrightii I. W. Clokey 1935-4-17 6876 Riverside Shafer Wells Comment
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Apr 24 2011
  RSA709192  Daucus pusillus A. C. Sanders 2005-4-28 29756 Riverside Peninsular Ranges: Gavilan Hills; north of Santa Rosa Rd., 1 mi. SW of Ida Leona Mine. 625 Comment
  SEINET7062848  Daucus pusillus A. G. Vestal 1947-3-29 s.n. Riverside About 0.3 mile west of Lake Elsinore. Railroad Canyon. UTM Zone 11, 464455mE, 3724990mN. (WGS84/NAD83). 393 Comment
  UCR152646  Daucus pusillus A. C. Sanders 2005-4-22 29583 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  CAS-BOT-BC294111  Deinandra kelloggii H. M. Hall 1905-5-1 6239 Riverside Vicinity of Riverside 365 Comment
  UC1929633  Deinandra mohavensis V. Soza, S. D. Boyd, Neil Gilbert 2000-12-6 1067 b Riverside Peninsular Ranges, San Jacinto Mountains region; McCall Memorial Park Campground. 1311 Comment
  SD181704  Deinandra paniculata Scott D. White 1998-10-9 7170 Riverside Corona, near Bedford Canyon; site adjacent to housing tracts now under construction and proposed for same. 334 Comment
  SD248331  Deinandra paniculata R. E. Riefner Jr. 2010-6-5 10 50 Riverside City of Riverside, Sycamore Canyon Park, west ca. 0.5 mile from Cottonwood Ave. and Sycamore Canyon Blvd. 135 Comment
  RSA149642  Delphinium parishii Harlan Lewis, C. Epling 1941-5-7 s.n. Riverside 3 miles N of Cottonwood Spring, Joshua Tree Nat. Mon. Comment
  UC1595568  Delphinium parishii W. Wisura, A. King, and L. Newcomb 1992-4-10 4667 Riverside w Hwy 62 (below Morongo Valley); Low Desert, Mission Creek Ranch Comment
  SEINET7048163  Delphinium parishii subsp. parishii Steven R. Hill 2001-5-3 33665 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  UC9162  Delphinium parryi subsp. parryi H. M. Hall June 1901 2171 Riverside In the Meadows of Thomas Valley 1371 Comment
  UCR194234  Delphinium parryi subsp. parryi Mitch Provance, Michael L. Fugate 2005-4-14 10054 Riverside San Bernardino Valley, near the water tanks just E of Versity Hill, or what is known locally as Coyote Hill (pk 1386), a few hundred yards SSE of the UCR Campus 396 Comment
  LA210351  Delphinium patens subsp. hepaticoideum W. B. Welch; Riverside SAN JACINTO MOUNTAINS Comment
  RSA433241  Dendromecon rigida subsp. rigida N. C. Cooper 1944-6-17 1414 Riverside above Banning Comment
  CAS-BOT-BC198171  Deschampsia danthonioides Robert F. Thorne; Earl Lathrop 1969-5-12 37950 Riverside Mesa de Colorado, Rancho, Santa Rosa Plateau 624 Comment
  CAS-BOT-BC227229  Deschampsia danthonioides D. E. Bramlet 1991-5-7 2120 Riverside Peninsular Range; Perris-Aguanga Basin Region: San Jacinto Valley, 8.2 km SW of Hemet, just NE of jct. of California Ave. & Marvin Hull Road, c. 50-150 m north of the AT&SF railroad tracks & 300 m west of MWD canal 500 Comment
  RSA801940  Deschampsia elongata LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6170 Riverside End of Apela Drive, west end of Strawberry Valley. And south of road (5S24) that runs out to the sewage disposal ponds. Collections are between this road, and Strawberry Creek., Basically ridge north of Strawberry Creek and creek north of this ridge, south of road. This draw drains into Strawberry Creek. 1524 Comment
  RSA67308  Descurainia pinnata G. R. Campbell 1951-4-22 16000 Riverside Palms to Pines Hwy [74], 1 mi. e. of road to Santa Rosa Mt. [Santa Rosa Mt Truck Trail]. 1371 Comment
  JOTR35280  Descurainia pinnata subsp. glabra Andre, Jim 2012-4-16 20981 Riverside Joshua Tree National Park. along Cottonwood Spring Road, approx. 6 mi. south of the North Entrance at Twin Tanks parking area. 1196 Comment
  UCR201668  Descurainia sophia Scott D. White, Justin M. Wood 2008-6-19 12272 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  RSA527855  Dichelostemma capitatum subsp. capitatum Scott D. White 1991-5-10 91 -155 Riverside Hwy 79, immediately W of U. S. Forest Service campground at Dripping Springs. 549 Comment
  CAS-BOT-BC292178  Dicoria canescens J. Von Loh 1977-10-30 2601 Riverside Margin of Ford Dry Lake Comment
  GMDRC7548  Dicoria canescens J. M. Andre 2015-4-23 32756 Riverside Rice Valley: along Rice-Midland Rd, 3.1 mi. south of Hwy 62, eastern end of Arica Mountains 253 Comment
  POM11224  Dicoria canescens W. R. Dudley 1903-12 s.n. Riverside Near Palm Springs. Comment
  RSA696747  Dicoria canescens J. Russell Bruff 1927-10-8 1 -H Riverside Thousand Palms Comment
  SFV9394  Dicoria canescens M. L. Vincent, R. H. Swade 1963-10-19 464 Riverside Snow Creek Road, 2 miles from its intersection with California State Highway 111. 366 Comment
  SEINET7883468 Image available Dicoria canescens Lewis S. Rose 1936-1 36820 Riverside Palm Springs 139 Comment
  CAS-BOT-BC131051  Dieteria canescens var. ziegleri Philip A. Munz 1938-8-13 15332 Riverside Near Santa Rosa Peak 2316 Comment
  UCR2327  Digitaria sanguinalis Ralph Gray 1941-9-2 s.n. Riverside Riverside Citrus Experiment Station, field NW of Administration Building 335 Comment
  RSA0016055  Diplacus bigelovii var. bigelovii F. W. Peirson 1920-2-16 1121 Riverside Palm Canyon stream below the canyon, Palm Springs. region Comment
  CAS-BOT-BC153094  Diplacus fremontii Peter H. Raven; R. Snow 1957-7-26 11121 Riverside 1.8 mi. above Lake Fulmor San Jacinto Mts. Comment
  RSA0019416  Diplacus fremontii M. Wall 2009-5-29 511 Riverside Bautista Canyon east of Hemet, ca. 8 miles SE of jct. with Fairview Ave. 756 Comment
  CAS-BOT-BC150673  Diplacus longiflorus P. C. Everett 1945-6-27 11503 Riverside Santa Ana Mts., Indian Canyon, Indian Canyon Truck Trail 609 Comment
  CAS-BOT-BC195676  Distichlis spicata H. S. Yates 1937-6-27 20940 Riverside Near Relief Hot Springs Comment
  UCR264613  Distichlis spicata Mitch Provance 2011-6-6 17005 Riverside Badlands, San Timoteo Canyon, El Casco area, north of San Timoteo Canyon Rd. and east of Woodhouse Rd 626 Comment
  JEPS52445  Ditaxis lanceolata E. E. Schellenger Circa 1894 9 Riverside Santa Maria Mts. Colorado Desert, Santa Maria Mts. Comment
  JOTR37430  Ditaxis lanceolata Hodges, Stephen R., T. Hender 2015-12-29 552 Riverside Joshua Tree National Park. Eagle Mountains, Mouth of Dragon Wash (Stop 1) Comment
  LA204864  Ditaxis lanceolata F. M. Scott; 1928-3-24 sn Riverside Painted Canyon, Colorado Desert Comment
  SBBG87466  Ditaxis lanceolata A. C. Sanders with D. Charlton, B. Pitzer 1986-3-1 6026 Riverside NW end of Hayfield Lake, ca. 0.5 mi SW of the pumping station 411 Comment
  JEPS24422  Ditaxis neomexicana Peter M. Ray 1949-3-12 1359 Riverside North side of Coachella Valley; 2 miles west of Whitewater 457 Comment
  SD143929  Ditaxis neomexicana G. K. Helmkamp, A. C. Sanders, P. McKay, T. Thomas 1997-2-8 19685 Riverside Colorado Desert/San Jacinto Mountains, Palm Springs area, Murray Canyon off Palm Canyon, on south side of boulders along trail near the mouth of the canyon 244 Comment
  UCR163962  Ditaxis neomexicana B. G. Pitzer, O. Clarke, S. Reed, G. Ruiz, et al 1998-3-7 3591 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  UCR211501  Ditaxis neomexicana Jim Andre, T. La Doux 2008-9-13 10269 Riverside Sonoran (Colorado) Desert, Eagle Mountains at Joshua Tree National Park boundary, along aqueduct access road 355 Comment
  SEINET3195132 Image available Dithyrea californica Andrew 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 (Roosevelt Mine 7.5' Q.) 134 Comment
  UCR241591  Dithyrea californica A. C. Sanders, Ann Howald 2013-2-28 40557 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 3.4 miles west of Hwy 78, 11 km SW (250 deg. ) of Ripley 114 Comment
  UCR241805  Dithyrea californica A. C. Sanders, Ann Howald 2013-2-28 40552 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 2.2 miles west of Hwy 78, 9.2 km SW (245 deg. ) of Ripley 96 Comment
  POM95408  Dithyrea californica Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  CAS-BOT-BC412629  Dodecahema leptoceras A. G. Vestal 1937-5-10 s.n. Riverside 7.4 mi So of Hemet Comment
  RSA586867  Dodecahema leptoceras D. L. Banks, S. D. Boyd 1995-5-3 286 Riverside NW Palomar Mountains; Agua Tibia Mountains;Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
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Mar 30 2011
  RSA461477  Dodecatheon alpinum subsp. majus Claire Kibbe 1936-07 s.n. Riverside San Jacinto Mountans. 1982 Comment
  SBBG103911  Dodecatheon clevelandii S. D. White 1993-4-20 1213 Riverside ridge SE of Estelle Peak, Gavilan Hills 792 Comment
  UCR22108  Draba cuneifolia Steve Boyd 1980-5-15 271 Riverside Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan plateau 625 Comment
  SD255020  Dryopteris arguta R. F. Thorne, E. W. Lathrop 1977-5-18 49758 Riverside Santa Ana Mountains: Bera Spring (East slope of Santiage Peak) Comment
  CAS-BOT-BC411413  Dudleya lanceolata Reid Moran 1946-5-25 2057 Riverside S slope of Box Springs Mountain 548 Comment
  RSA709640  Dudleya lanceolata A. C. Sanders, T. B. Salvato 2003-5-21 26788 Riverside Elsinore Valley: Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  UCR240273  Dudleya lanceolata Jeffrey Ross, T. B. Salvato 1998-6-9 MOR- 339 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Lion Canyon, c. 3.5 miles NNW of Cabazon 854 Comment
  POM311207  Dudleya saxosa subsp. aloides Karen Hosterman 1957-3-27 944 Riverside 1/2 mi. up Whitewater Canyon. Comment
  SD135107  Dudleya temeculana Paul H. Thomson Unknown Riverside Near Temecula Comment
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Mar 27 2011
  UCR281810  Dysphania ambrosioides Mitch Provance 2012-11-9 1112- 11 Riverside San Bernardino Valley, Santa Ana River Bottom, vicinity of Tequesquite Creek, area W of the N end of Rudidoux Ave. and Old Ranch Rd. 229 Comment
  UCR200300  Dyssodia porophylloides Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11212 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  UCR72348  Dyssodia porophylloides Theo Glenn 1991-5-15 91- 35 Riverside Sonoran (Colorado) Desert, Little Maria Mountains, NW of Blythe 351 Comment
  CAS-BOT-BC59760  Echinocereus engelmannii var. engelmannii L. R. Abrams 1926-3-26 11210 Riverside Field redacted by CAS, contact the data manager for more information Comment
  RSA0125224  Echinocereus engelmannii var. engelmannii Orlando Mistretta, Mark Elvin 1995-6-19 1783 Riverside San Jacinto Mountains., Near 33 35 543 N 116 37 345 W. [Could be 33 35.543 or 33 35 54.3] Comment
  RSA0125246  Echinocereus engelmannii var. engelmannii H. G. Rush 1951-6-6 184 Riverside Big Maria Mountain Range. 35 miles north of Blythe on Highway 95. 91 Comment
  RSA289844  Echinochloa crus-galli B. A. Prigge 1980-9-17 4065 Riverside Coachella Valley Stormwater Channel: Indio., Near 33 deg 44'N; 116 deg 14'W. -3 Comment
  UCR92731  Echinochloa crus-galli A. C. Sanders 1994-7-27 15166 Riverside Riverside, Santa Ana River between the San Bernardino Co. line & the Market Street Bridge 246 Comment
  UCR182095  Ehrharta longiflora Tom Chester 2005-4-20 581 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Margarita Ecological Reserve: Temecula Gorge, south side 239.3 Comment
  RSA770644  Elatine californica R. F. Thorne 1973-5-23 43840 Riverside Santa Rosa Plateau- Mesa de Colorado. 610 Comment
  RSA206504  Eleocharis acicularis E. W. Lathrop 1969-5-29 7080 Riverside 8 miles west of Murrieta, Trail between Tenja Road and Los Alamos Canyon. Comment
  RSA729912  Eleocharis acicularis Robert F. Thorne 1973-5-23 43850 Riverside Santa Rosa Plateau: N side of Mesa de Colorado. Santa Ana Mountains 609 Comment
  UCR220323  Eleocharis macrostachya D. E. Bramlet 1992-4-3 2207 Riverside Perris-Aguanga Basin Region, 7.5 km SW of Hemet, just east of California Ave and c. 100 m north of the ATSF RR tracks, NE of the intersection of California Ave. and Marvin Hull Road and c. 300 m west of the MWD Canal 453 Comment
  RSA365449  Eleocharis montevidensis var. montevidensis L. C. Wheeler 1933-12-2 2312 Riverside U.S. 99: 2 miles NW Whitewater Station. 366 Comment
  POM1359  Eleocharis parishii I. M. Johnston 1917-4-4 s.sn Riverside Palm Canyon. Colorado Desert. Comment
  UC146053  Eleocharis quinqueflora Charlotte M. Wilder 1909-7-12 928 Riverside Round Valley San Jacinto Mountains 2743 Comment
  RSA559355  Elymus elymoides Steve Boyd, Timothy S. Ross 1992-5-15 7387 Riverside Southern Santa Ana Mountains, southeastern flank of Elsinore Peak at 'Onion Hill', a grassy knoll about 1/4 mile E of radio towers, along old Main Divide Road track 1021 Comment
  SEINET10564680  Elymus elymoides Philip A. Munz 1937-5-30 Munz 15083 Riverside Dry banks, northwest slope of Santa Rosa Mts. 2134 Comment
  RSA179496  Elymus multisetus E. W. Lathrop 1960-6-7 4867 Riverside 14 miles west of Murrieta Comment
  RSA674940  Elymus trachycaulus Scott D. White, Bill La Haye 2000-5-27 7947 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  UCR2372  Elymus triticoides F. M. Reed 1907-6-23 1445 Riverside Santa Ana River, City of Riverside, old field in the Santa Ana River bottom above the bridge on the West Riverside Road 244 Comment
  RSA28062  Emmenanthe penduliflora I. L. Wiggins 1941-3-27 9694 Riverside 4 mi. north of Whitewater. Comment
  SD204900  Emmenanthe penduliflora R. F. Thorne, W. Wisura and Dave Michener 1982-5-24 55187 Riverside Santa Ana Mountains region: Cleveland National Forest, along Main Divide Truck Road. 915 Comment
  POM13872  Encelia actoni E. C. Jaeger 1921-7-15 1167 Riverside San Jacinto Canyon 610 Comment
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Nov 6 2011
  UCR274545  Encelia californica Mitch Provance, Ken Halama 2003-6-15 17061 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  CAS-BOT-BC131326  Encelia farinosa Steve Boyd 2007-4-20 11724 Riverside Peninsular Ranges; Perris-Aguanga Basin region: Southeastern end of the Gavilan Hills, north of Warm Springs Valley at upper end of Walsh Canyon, ca. 0.5 miles from junction with Lindel (aka Stovepipe) Road, on southwest facing slope just above old... 549 Comment
  HSC66629  Encelia farinosa Christopher Davidson 1979-4-4 7731 Riverside Orocopia Mtns., E of Box Canyon on Box Canyon Rd., 15.1 mi. E of Mecca, dirt road to the SE 579 Comment
  LA202447  Encelia farinosa A. M. Johnson; 1932-3-20 3904 Riverside Indian Wells, below Palm Springs Comment
  RSA570254  Encelia farinosa Steve Boyd, Timothy S. Ross, W. Appleby 1993-3-20 7888 Riverside Southern end of Cadiz Valley, just east of the Coxcomb Mountains and northwest of the Granite Mountains, west edge of Highway 177, just south of intersection with Highway 62. 400 Comment
  UCR245234  Encelia farinosa Jim Andre 2012-3-19 21324 Riverside Sonoran (Colorado) Desert, north end of Chuckwalla Mountains at Jaeger Nature Sanctuary, 1.5 mi. south of junction Eagle Mt Rd and I-10 freeway 411 Comment
  UCR256721  Encelia farinosa Duncan S. Bell 2011-12-30 3045 Riverside Sonoran (Colorado) Desert, Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; c. 2 air miles southwest of Priests Well, or c. 7 air miles southwest of the ghost town of Rice 365 Comment
  LA6787  Ephedra aspera Harlan Lewis; 1939-4-9 sn Riverside Indio Comment
  SD260138  Ephedra aspera A. C. Sanders, Chika Mori 2011-6-14 39661 Riverside Peninsular Range; Santa Rosa Mountains: Hwy 74 near Agave Hill 0.3 km SW (249a^z) ov VABM Lucky, 1.6 km NE (37a^z) of Black Hill, ridge west of Deep Canyon and east of Carrizo Creek, above switch backs. (Rancho Mirage 7.5'Q) 801 Comment
  SEINET3866898  Ephedra aspera Sears 1977-10-12 S 578 Riverside Corn Spring, Desert Plam Oasis, permanent flowing spring, in wash area up in the mountain slopes of the Chuckwalla Mountains.; 0 549 Comment
  SEINET11174504  Ephedra aspera I. W. Clokey 1935-4-17 6514 Riverside Cottonwood Springs Comment
  CAS-BOT-BC81535  Ephedra californica Lewis S. Rose 1940-3-13 40113 Riverside [Whitewater] White Water 60 Comment
  CAS-BOT-BC81542  Ephedra californica Robert F. Thorne 1964-5-3 33851 Riverside near hwy ca 4 miles S of Morongo Valley and ca 3 miles S of San Bernardino Co. line Comment
  JOTR29439  Ephedra californica La Doux, Tasha, M. Bell, B. Truesdell 2006-3-22 1373 Riverside Joshua Tree National Park. East Wide canyon 499 Comment
  JOTR29448  Ephedra nevadensis La Doux, Tasha, Mike Bell 2006-3-8 1346 Riverside Joshua Tree National Park. Eagle Mountains, south of Hayfield Spring 548 Comment
  JOTR35307  Ephedra nevadensis Andre, Jim 2012-4-11 20808 Riverside Joshua Tree National Park. western margin of Eagle Mountains, along road to Cottonwood Spring (Utah Trail), 0.7mi N of Cottonwood Visitor Center 956 Comment
  SEINET6087497  Ephedra nevadensis Unknown 1956-2-24 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  SBBG51153  Ephedra viridis N. R. Zabriskie, W. Zabriskie 1974-3-30 696 Riverside S of jct with North Cyn, Andreas Cyn Comment
  RSA596531  Epilobium brachycarpum D. L. Banks 1996-7-16 1128 Riverside NW Palomar Mountains; Agua Tibia Mountains; In the Vail Ranch Housing Development, N of the Pechanga Indian Reservation; At the W side of the intersection of Marge Place and Tehachapi Pass( N of Vail Ranch Road) . 427 Comment
  RSA413258  Epilobium canum subsp. canum James C. Dice, J. DeWald 1987-9-28 727 Riverside North side of Temecula Gorge, ca. 4.2 km ENE of Gavilan Mountain. 355 Comment
  SD122931  Epilobium canum subsp. canum Steve Boyd 1985-8-7 1109 Riverside Santa Rosa Plateau region, northwest base of Redonda Mesa on Tenaja Road, 0.8 mile east of junction with 8S01 and 8S02 Comment
  JOTR36393  Epilobium canum subsp. latifolium La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3345 Riverside Joshua Tree National Park. Little San Bernardino Mtns: Pushwalla Canyon, approx 100 m W of Pinyon Well site at spring Comment
  POM12415  Epilobium canum subsp. latifolium P. A. Munz 1922-9-5 6363 Riverside Strawberry Valley, north end. 1677 Comment
  JOTR36423  Epilobium ciliatum subsp. ciliatum La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3368 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  RSA500201  Epilobium ciliatum subsp. ciliatum Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3543 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  RSA80634  Epilobium densiflorum F. W. Peirson 1924-7-29 5033 Riverside Banning to Idyllwild road, San Jacinto Mountains. 1570 Comment
  RSA618001  Epilobium pygmaeum R. E. Riefner Jr. s.n. Riverside Elsinore Trough between Willard and Murrieta Creek; Wildomar. Comment
  IRVC2715  Epipactis gigantea R. H. Whittaker, W. A. Niering 1963-6-5 SJ 236 Riverside Santa Rosa Mtns; Andreas Cyn; valley bottom. Sonoran Desert/Peninsular Ranges 213 Comment
  UC1951165  Epipactis gigantea Scott D. White, Justin Wood 2009-5-22 12928 Riverside SAN JACINTO MOUNTAINS: Halfway Spring, accessed via Old Control Road. USGS Blackburn Canyon 7.5' Quad. Comment
  UCR133698  Epipactis gigantea N. C. Cooper 1944-4-8 1062 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Andreas Canyon 366 Comment
  CLARK-A1528-4640  Eragrostis curvula John C. Roos 1965-9-16 Riverside Lakeview Comment
  UCD63544  Eragrostis mexicana subsp. virescens Malcolm A. Nobs; S. Galen Smith 1948-9-3 487 Riverside Citrus grove, 2 miles north of Indio. Comment
  RSA77199  Eremalche exilis F. W. Peirson 1914-04 2300 Riverside Whitewater at head of Coachella Valley. Comment
  UC2031361  Eremalche exilis Duncan S. Bell with Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, and Gene Ratcliff 2013-4-7 4765 Riverside E side of Arica Mountains; W side of Rice Valley approx. 6 air miles SE of the ghost town of Rice or approx. 5.3 air miles E of Priests Well. Comment
  JOTR31968  Eremalche rotundifolia La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2205 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; rocky/gravelly bajada north of the Aqueduct Rd. 603 Comment
  SBBG6260  Eremocarya micrantha H. and M. Dearing 1942-2-5 4791 Riverside Cathedral City Comment
  CAS-BOT-BC160062  Eremothera boothii subsp. condensata Edmund C. Jaeger 1939-3-30 s.n. Riverside Desert Center 243 Comment
  RSA0104872  Eriastrum densifolium subsp. austromontanum P. A. Munz, I. M. Johnston 1924-7-29 8837 Riverside 6 miles SE of Poppet Flat, San Jacinto Mountains. 1524 Comment
  UCR19160  Eriastrum densifolium subsp. densifolium John C. Roos 1965-7-22 s.n. Riverside San Jacinto Mtns, near Mountain Center 1372 Comment
  UCR55270  Eriastrum densifolium subsp. densifolium Kathy Harper 1988-6-11 s.n. Riverside San Jacinto Mtns., Bautista Canyon, lower end of Bautista Rd. Comment
  JOTR16796  Eriastrum densifolium subsp. elongatum Baker, James K. & Baker, Ilisa T. 1966-6-17 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS Comment
  JOTR36093  Eriastrum densifolium subsp. elongatum La Doux, Tasha, K. Matthews, S. Szabo, B. Truesdell, J. Van Warmerdam 2007-10-4 3320 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Lower Covington Flats, southeast of trailhead heading toward Smith Water Canyon (STOP2). 1398 Comment
  SD146199  Eriastrum densifolium subsp. elongatum Mitch Provance 1998-6-6 686 B Riverside Jurupa Mountains; Jensen Quarry, Sunnyside area on west side of Sioerra Blvd., just east of corner of 29th St. and Scenic Drive. 299 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
  UCR98431  Eriastrum diffusum Theo Glenn 1991-5-8 91- 76 Riverside Sonoran (Colorado) Desert, Big Maria Mtns, north of Blythe 378 Comment
  RSA0119714  Eriastrum diffusum subsp. coachellae P. A. Munz, I. M. Johnston 1922-5-6 5169 Riverside Colorado Desert, dry Morongo Wash. Comment
  RSA0120077  Eriastrum eremicum subsp. eremicum Scott D. White, Andrea Warniment 2006-3-22 11273 Riverside Eastern Coachella Valley a few mi E of Indio. Proposed I-10 Freeway / McMaughton Parkway Interchage, N of I-10 Freeway. 91 Comment
  CAS-BOT-BC514453  Eriastrum eremicum subsp. eremicum Milo S. Baker 1928-4-3 2847 b Riverside Hway South Palm Springs Comment
  UCR18321  Eriastrum filifolium Frank C. Vasek 1979-6-25 790625- 01 Riverside about 2 mi east of Sage on Chaffey Ranch Comment
  CAS-BOT-BC187938  Eriastrum harwoodii Carl B. Wolf 1932-4-29 3119 Riverside Eastern Colorado Desert, 3 miles S of Rice on Blythe Road 213 Comment
  UCR201451  Eriastrum sapphirinum Scott D. White, Justin M. Wood 2008-6-16 12125 Riverside San Jacinto Mountains, Fobes Canyon, c. 1 mi up Fobes Ranch Road from Fobes Spring 1555 Comment
  UCR274192  Eriastrum sapphirinum T. B. Salvato, Gregg Miller 2005-6-7 1433 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 Comment
  UCR35053  Eriastrum sapphirinum L. B. Ziegler 1964-8-30 23 Riverside San Jacinto Mtns., Hemet (Garner) Valley, Thomas Mtn. subdivision 1402 Comment
  SEINET12320626  Eriastrum sapphirinum C. W. Tilforth, Wisura, W. 1979-1 1900 Riverside Garner Valley at Lake Hemet, Hwy 74 1326 Comment
  RSA0121567  Eriastrum sapphirinum subsp. dasyanthum Elbert Benjamine 1929-5-18 235 Riverside Mt. San Jacinto. 1220 Comment
  RSA0122964  Eriastrum sapphirinum subsp. sapphirinum J. R. Bruff 1934-6-19 545 Riverside Mt. San Jacinto; along road to Palm Springs. Comment
  JOTR31004  Ericameria linearifolia La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1287 Riverside Joshua Tree National Park. Stop 4: Hexie Mountains, Blue Cut Gorge, canyon with sandy bottom and steep rocky walls Comment
  POM351940  Ericameria nauseosa var. bernardina A. J. Gredell 1915-07 s.n. Riverside San Bernardino Mts. Comment
  UCR120207  Ericameria palmeri var. pachylepis Mitch Provance 1998-3-5 192 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', but also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  UCR49992  Ericameria palmeri var. pachylepis S. J. Myers 1987-10-27 s.n. Riverside Peninsular Range; Santa Ana Mtns., c. 3 mi. west of Temecula, NE portion of Santa Rosa Plateau, 3/4 mi. east of Walker Basin 488 Comment
  UCR140875  Ericameria parishii Chris E. True, Laurel Salzman 2004-8-20 s.n. Riverside San Jacinto Mtns., c. 1 km south of Twin Pines Ranch on USFS Rd 3S08, between Azalea and Twin Pines Creeks 1157 Comment
  SD144048  Ericameria parishii var. parishii Scott D. White 1996-12-26 4645 Riverside San Jacinto Mts., Bautista Canyon: along Bautista Cyn. Rd., ca. 2 0r 3 air mi NW of jtn. with Trip Flats Rd. 1029 Comment
  UCR274002  Erigeron canadensis Mitch Provance 2012-9-11 17628 Riverside Badlands of Western Riverside County, Beaumont, near N base of Mt. Davis, near Cooper's Creek (tributary of San Timoteo Creek), about 2000 ft., along dirt road extension of Risco Circle, S of W 4th St. 762 Comment
  SBBG54332  Erigeron divergens C. Davidson 1978-6-15 7379 Riverside rd from Hwy 74 to Santa Rosa Mtn, ca. 2 mi W of jct to Santa Rosa Springs Cmpgrd 2087 Comment
  RSA736548  Erigeron foliosus Scott D. White, Angelia Carey 2004-7-2 10585 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UCR133443  Erigeron foliosus Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 457 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  UCR154443  Erigeron foliosus A. C. Sanders, Mike Misenhelter 2005-6-15 30978 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
  CAS-BOT-BC296235  Erigeron foliosus var. foliosus P. C. Everett 1935-6-17 7158 Riverside Coldwater Canyon trail to Santiago Pk. 2 mi. above Glen Ivy Resort, Santa Ana Mts. 609 Comment
  CAS-BOT-BC296237  Erigeron foliosus var. foliosus Carl B. Wolf 1932-8-4 3918 Riverside Point View near Idyllwild, San Jacinto Mts. 1645 Comment
  UCR93236  Eriochloa acuminata A. C. Sanders 1994-7-27 15162 Riverside Riverside, Santa Ana River between the San Bernardino Co. line & the Market Street Bridge 246 Comment
  SD129173  Eriochloa acuminata var. acuminata G. Helmkamp 1989-9-16 Riverside Hayfield on the W side of state hwy 78, 0.7 mi. N of Palo Verde. 74 Comment
  CAS-BOT-BC282997  Eriochloa lemmonii A. R. Roos 1937-11-28 s.n. Riverside East Washington St., Riverside Comment
  HSC83016  Eriodictyon crassifolium N. M. Fellows 1985-3-16 106 Riverside Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mts, 1 mi. W of Snow Creek Village 489 Comment
  LA205573  Eriodictyon crassifolium Anna Lang; 1971-4-24 251 Riverside San Jacinto Mountains, Hwy 74, 3 mi. W of Mountain Center 1219 Comment
  PASA2086  Eriodictyon crassifolium Sally Ellis 1940-3-17 Riverside Dripping Springs Comment
  POM305416  Eriodictyon crassifolium Henry J. Ramsey, Henry J. Ramsey 1938-5-4 637 Riverside Elsinore Comment
  RSA356890  Eriodictyon crassifolium Robert F. Thorne 1966-10-15 41794 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  UCR163814  Eriodictyon crassifolium John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, 1 mile N of Squaw Mountain, 1.6 mi. NE of Tenaja Guard Station 716 Comment
  CAS-BOT-BC189163  Eriodictyon crassifolium var. nigrescens Scott D. White 1996-4-14 3903 Riverside E of Hemet, San Jacinto River Wash near Valle Vista, N of Highway 74, ca. 1.7 mile W of USFS Cranston Fire Station 548 Comment
  SBBG34234  Eriodictyon crassifolium var. nigrescens T. L. Secrest 1951-5-20 Riverside San Jacinto Mtns Comment
  UCR35119  Eriodictyon crassifolium var. nigrescens L. B. Ziegler 1967-7-26 208 Riverside San Jacinto Mtns, Summit of Thomas Mountain 2080 Comment
  CAS-BOT-BC248630  Eriogonum apiculatum James L. Reveal; Caroline G. Reveal 1972-8-9 2861 Riverside San Jacinto Mountains, along California Highway 243, 4.4 miles north-northwest of Idyllwild, 8.9 miles north of the junction with Highway 74, and 1 mile south of Alandale Ranger Station Comment
  CAS-BOT-BC33641  Eriogonum apiculatum Ralph E. Hoffmann 1929-9-8 s.n. Riverside San Jacinto Mt. 2133 Comment
  SD1298  Eriogonum apiculatum Florence Youngberg 1933-8-26 Riverside Idyllwild, San Jacinto Mts. Comment
  UC1051633  Eriogonum apiculatum Peter Kamb 1950-9-12 1930 Riverside ridge n North Fork of San Jacinto River (w side of Mt. San Jacinto); Mt. San Jacinto 2286 Comment
  UCR56075  Eriogonum austrinum G. F. Pratt 1988-12-31 s.n. Riverside Sonoran (Colorado) Desert, Granite Mountains, south of Rice 915 Comment
  CAS-BOT-BC242788  Eriogonum davidsonii Philip A. Munz 1937-5-29 15152 Riverside Deep Canyon, Santa Rosa Mts. 1066 Comment
  CLARK-A1528-3634  Eriogonum davidsonii Robin L. Kobaly 1977-8-26 Riverside San Jacinto Mountains Comment
  GMDRC2045  Eriogonum davidsonii J. Andre 2006-4-26 6764 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
  RSA639582  Eriogonum davidsonii Robert F. Thorne, Rolf, Gertrud Dahlgren 1979-8-22 53569 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
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Apr 25 2011
  RSA655085  Eriogonum davidsonii Scott D. White 1999-11-12 7631 Riverside Murrietta Area: Corner of Nutmeg and Clinton Keith. 410 Comment
  UCR35100  Eriogonum davidsonii L. B. Ziegler 1964-7-20 32 Riverside San Jacinto Mountains, Garner (Hemet) Valley Comment
  UC66494  Eriogonum deflexum var. deflexum E. E. Schellenger 1904-10-19 5 Riverside Chucawalla Bench Colorado Desert, Chucawalla Bench Comment
  RSA314467  Eriogonum elongatum Robert F. Thorne, Kay L. Wright, Richard K. Benjamin 1982-10-8 55385 Riverside San Bernardino Mountains: Side-canyon on east side of Whitewater Canyon, about 3.3 miles north of Whitewater Post Office (One-Palm Oasis Canyon). 595 Comment
  RSA393519  Eriogonum elongatum N. C. Cooper 1943-9-26 930 Riverside Cabazon. 549 Comment
  UCR192719  Eriogonum fasciculatum subsp. polifolium A. C. Sanders, Mike Misenhelter 2008-6-10 35452 Riverside San Bernardino Valley, Glen Avon, San Sevaine Wash south of Hwy 60 and of San Sevaine Way, east of concrete channel 231 Comment
  CAS-BOT-BC249955  Eriogonum fasciculatum var. foliolosum Donald A. Johansen 1933-7-14 713 Riverside Mesa Mira Comment
  CAS-BOT-BC249957  Eriogonum fasciculatum var. foliolosum A. M. White 1974-6-4 1367 Riverside Indian Road ca. 15 mi W. of Sun City Comment
  RSA28018  Eriogonum fasciculatum var. polifolium C. L. Hitchcock 1940-3-30 5874 Riverside Cottonwood Spring. Comment
  RSA766107  Eriogonum fasciculatum var. polifolium Ynez Whilton Winblad 1937-4-19 s.n. Riverside Near Palm Springs. Comment
  SD229225  Eriogonum fasciculatum var. polifolium Dick Schwenkmeyer, Bethany Jenkins 2012-3-7 628 Riverside Mt. San Jacinto 1085 Comment
  UCR135730  Eriogonum fasciculatum var. polifolium Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9005 Riverside Santa Rosa Mountains, along Hwy 74 on the Santa Rosa Mountain Grade, c. 0.5-0.8 mi NE of Black Hill 854 Comment
  UCSB1524  Eriogonum fasciculatum var. polifolium Gray, Caroline 1956-4-14 Riverside The Devil's Garden; 3 mi off Hwy 99 Comment
  CAS-BOT-BC253490  Eriogonum gracile James L. Reveal; Caroline G. Reveal 1972-8-6 2844 Riverside Along California Highway 74, 1.5 miles southwest of the summit of Santa Ana Mountains, 9 miles southwest of Elsinore and about 22 miles east-northeast of San Juan Capistrano, near turnoff to McConville Camp Comment
  SBBG62102  Eriogonum gracile P. A. Munz, I. M. Johnston 1928-9-12 11255 Riverside Temescal Cyn Comment
  SEINET5549456  Eriogonum gracile H. S. Gentry 1954-1 14256 Riverside Dripping Springs, along Route 79. Comment
  UCR162622  Eriogonum gracile S. J. Myers 2005-10-6 s.n. Riverside Perris-Aguanga Basin, Noble Creek near Hwy I-10 at San Timoteo Canyon Road/Oak Valley Parkway 762 Comment
  POM153377  Eriogonum gracile var. gracile P. A. Munz, I. M. Johnston 1928-9-12 11252 Riverside Temescal Canyon. Comment
  RSA11586  Eriogonum gracile var. gracile C. Epling, Wm. Robison 1933-6-24 s.n. Riverside Little San Bernardino Mountains: Near Morongo Pass Comment
  RSA180301  Eriogonum gracile var. gracile E. W. Lathrop 1965-9-13 5413 Riverside 8 miles west of Murrieta. Comment
  UC1922848  Eriogonum gracile var. gracile Scott D. White 2005-7-6 11158 Riverside San Gorgonio Pass: Cabazon. Toeslope of San Jacinto Mtns. and adjacent alluvial fan west of San Gorgonio River and south of I-10 Freeway. Cabazon 7.5' Quad. Comment
  UCR117618  Eriogonum gracile var. gracile Scott D. White 1997-5-25 5247 B Riverside Peninsular Range; Perris Basin, Winchester Area: Hills south of Patton Ave. and west of Winchester Road, c. 2 air mi SW of the junction of Winchester Road and Simpson Avenue 549 Comment
  RSA423103  Eriogonum gracile var. incultum Robert Kessler 1921-9-1 s.n. Riverside Summit of Tahquitz. 2439 Comment
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Nov 6 2011
  RSA698434  Eriogonum inflatum J. R. Bruff 1927-10-8 1 -L Riverside Thousand Palms. Comment
  UC535088  Eriogonum inflatum Susan G. Stokes 1933-4-9 52 Riverside near Banning Comment
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Dec 17 2016
  UC667267  Eriogonum maculatum Annie M. Alexander and Louise Kellogg 1941-5-15 2177 Riverside n base Eagle Mountains Colorado Desert, Eagle Mountains 914 Comment
  UCR40036  Eriogonum molestum Dave Goodward 1985-9-29 s.n. Riverside San Jacinto Mtns., rim of Hall Canyon above the U.C. James Reserve Comment
  RSA783743  Eriogonum nodosum J. D. Olmsted 1959-8-18 792 Riverside Desert Sun School near Idyllwild; M[iddle] Fork San Jacinto River. 1646 Comment
  CLARK-A1045-122  Eriogonum pusillum George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep Canyon; Palm Desert 15'Q Comment
  JOTR34122  Eriogonum pusillum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2736 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Exposed aplite vein forming a prominent rib line with loose, cobble slope surrounding it (Stop 3) Comment
  POM14061  Eriogonum pusillum P. A. Munz, D. D. Keck 1922-4-14 5002 Riverside East of Whitwater Ranch 213 Comment
  SDSU6742  Eriogonum roseum H. Wedberg 1962-7-28 983 Riverside About 7 miles from Hemet on the road to Mountain Center, in the wash opposite the 2000' sign. 610 Comment
  CLARK-A1528-748  Eriogonum thomasii Fred B. Essig 1967-3-12 Riverside Joshua Tree Monument Comment
  UCR148862  Eriogonum thomasii S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 20 Comment
  SEINET3160065  Eriogonum trichopes G. B. Grant 1906-5-1 44 -6719 Riverside on Colorado desert at Palm Springs Comment
  CLARK-A1528-3722  Eriogonum wrightii John C. Roos 1965-9-26 Riverside Palm Springs Station Comment
  LA207117  Eriogonum wrightii var. membranaceum Elizabeth McClintock; 1938-8-1 sn Riverside San Jacinto Mountains, Trail to Hidden Lake Comment
  RSA420617  Eriogonum wrightii var. membranaceum C. M. Dammers 1933-10-27 s.n. Riverside Gavilan Hills. Comment
  CAS-BOT-BC297346  Eriophyllum confertiflorum John F. Green 2006-5-10 s.n. Riverside Peninsular Ranges: City of Murrieta, S of the Hogbacks. N of Hunter Rd to Ramage Lane, between Calle de Amor on the E and Springview/Kiwebre Rd on the W 402 Comment
  POM357961  Eriophyllum confertiflorum Norman C. Cooper 1944-6-4 1373 Riverside Elsinore Mountain; Lookout at top. 1066 Comment
  SEINET2051130 Image available Eriophyllum confertiflorum Howard S. Gentry 1947-4-20 7631 Riverside Gentry Farm 3 miles NE of Murrieta. 396 Comment
  UCR230932  Eriophyllum confertiflorum T. B. Salvato, Richard Camacho 2011-6-12 5488 Riverside Peninsular Range, Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  UCR260536  Eriophyllum confertiflorum T. B. Salvato 2014-5-29 8054 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
  UCR274302  Eriophyllum confertiflorum T. B. Salvato, Melissa Clemons 2005-6-6 1422 Riverside Peninsular Range, Gavilan Hills, c. 0.75 mile south-southeast of Steele Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore 579 Comment
  UC495188  Eriophyllum confertiflorum var. confertiflorum P. A. Munz 1932-4-24 12391 Riverside along canyon bottom Snow Creek Canyon; San Jacinto Mts., Snow Creek Canyon 457 Comment
  CLARK-A1528-212  Eriophyllum multicaule C. M. Flanagan 1973-4-14 OO 110 Riverside 518 Comment
  UC71969  Eriophyllum multicaule Miss M. A. King 1893-1 Riverside Menifee Comment
  RSA171396  Eriophyllum wallacei J. D. Olmsted 1962-5-3 3485 Riverside Along road on N side of Hemet Lake 1280 Comment
  RSA772135  Eriophyllum wallacei Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4979 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm). 750 Comment
  UC31773  Eriophyllum wallacei H. M. Hall 1901-6-1 2053 Riverside s slopes in the vicinity of Chalk Hill; San Jacinto Mountains 1524 Comment
  UCR225596  Erodium brachycarpum A. C. Sanders, T. B. Salvato 2011-3-29 38878 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor 0.45 east of Goetz Rd. and 0.07 km east Wheat St. 450 Comment
  RSA613643  Erodium cicutarium D. L. Banks, Victor W. Steinmann 1997-3-13 1476 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  RSA356990  Eryngium aristulatum var. parishii R. F. Thorne 1973-5-23 43861 Riverside Santa Rosa Plateau-Mesa De Colorado 609 Comment
  CAS-BOT-BC54331  Erysimum capitatum Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild. Comment
  RSA5218  Erysimum capitatum var. capitatum C. B. Wolf 1932-8-4 3910 Riverside Near Point View, near Idyllwild. San Jacinto Mtns. 1646 Comment
  UCSB2351  Erysimum capitatum var. capitatum Sager, Ginny 1960-5-14 Riverside San Jacinto Mtns. between Banning and Idyllwild 1219 Comment
  RSA0014877  Erythranthe primuloides P. A. Munz 1922-7-6 5983 Riverside San Jacinto Mountains. Tahquitz Valley. 2195 Comment
  UCD96510  Eschscholzia androuxii Shannon M. Still; Carolyn Still, Steven Still 2009-3-28 512 Riverside California. Riverside County: Joshua Tree National Park. 724 Comment
  RSA0022927  Eschscholzia androuxii P. A. Munz 1952-4-15 17343 Riverside Wash ca. 3 mi. west of Monument Peak, Joshua Tree National Monument 1128 Comment
  RSA0022936  Eschscholzia androuxii F. R. Fosberg 1983-4-23 64169 Riverside Whitewater Bridge. Comment
  UC855146  Eschscholzia californica I. W. Clokey, C. B. Clokey, and B. C. Templeton 1930-4-15 4641 Riverside Gavilan Peak 600 Comment
  RSA799883  Eschscholzia glyptosperma D. M. Ray 2011-3-5 10 Riverside Sonoran Desert: Chuckwalla Valley along Kaiser Road. 198 Comment
  RSA678883  Eschscholzia minutiflora Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10453 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
  RSA708491  Eschscholzia minutiflora Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10876 Riverside Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal. 24 Comment
  RSA776133  Eschscholzia minutiflora Duncan S. Bell, Amanda Turek 2010-4-10 810 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  UC575035  Eschscholzia minutiflora C. Epling and Wm. Robison 1933-6-26 Riverside Key's View Little San Bernardino Mountains 1524 Comment
  UCD96509  Eschscholzia papastillii Shannon M. Still 2009-2-22 443 Riverside California. Riverside County: Joshua Tree National Park. ca. 2/3 way to Lost Palms Canyon on either side of Lost Palms Canyon Trail. 932 Comment
  CAS-BOT-BC419635  Eschscholzia parishii James Henrickson 1963-3-29 1209 Riverside 12 miles East of Mecca, along Hy. 195 304 Comment
  CAS-BOT-BC419637  Eschscholzia parishii D. E. Breedlove 1962-3-11 1883 Riverside Pocket of Cat Creek wash, 3 miles southwest of Palm Desert 426 Comment
  RSA709918  Escobaria vivipara var. alversonii Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4613 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  SDSU12862  Eucalyptus leucoxylon subsp. leucoxylon J. Jill Steinberg, Leon Steinberg 1998-4-5 40 Riverside Ca. 1/4 mile northwest entrance gate to Santa Magarita (SDSU) Field Station, just south of trail leading along northwesterly border of Station. 311 Comment
  CAS-BOT-BC300505  Eucommia ulmoides O. F. Clarke 2004-4-1 s.n. Riverside Peninsular Range: Riverside; UCR Botanical Garden 412 Comment
  RSA496136  Eucrypta chrysanthemifolia Steve Boyd, Tim Ross, L. Arnseth 1989-3-19 3022 Riverside Vail Lake area,1 mile W of Lake 610 Comment
  RSA501056  Eucrypta chrysanthemifolia Steve Boyd, Tim Ross, L. Arnseth 1989-4-1 3173 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  SD140093  Eucrypta chrysanthemifolia Scott White 1993-4-22 1265 Riverside North Alberhill Ranch, in hills north of Walker Canyon. 487 Comment
  UCR250563  Eucrypta chrysanthemifolia A. C. Sanders 2014-4-18 41032 Riverside Peninsular Range, Temescal Canyon, along De Palma Rd. between Indian Truck Trail and Horsethief Canyon roads, SE of Lee (Corona) Lake 375 Comment
  POM184547  Eucrypta chrysanthemifolia var. bipinnatifida C. L. Hitchcock 1932-4-7 12200 Riverside Corn Springs, Eastern Riverside. Comment
  RSA420859  Eucrypta micrantha E. C. Jaeger 1922-3-29 727 Riverside Fords Well, Chuckwalla Valley. Comment
  UCSB42179  Eucrypta micrantha Roos, John 1958-2-21 Riverside Corn Springs, Chuckawalla Mtns. Comment
  CAS-BOT-BC202785  Euonymus occidentalis var. parishii S. B. Parish; W. F. Parish 1881-7-25 957 Riverside San Jacinto Mt. Comment
  LA104420  Euonymus occidentalis var. parishii Robert F. Thorne; 1969-10-25 41851 Riverside San Jacinto Mountains, James Reserve Comment
  UCR59711  Euphorbia eriantha A. C. Sanders 1989-9-19 9499 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, 1.75 km (airline) south of Tabaseca Tank, along the wash above 'Tabaseca Target 680 Comment
  SD251222  Euphorbia ocellata subsp. arenicola Duncan S. Bell 2013-1-30 4444 Riverside The Mecca Hills; in an unnamed canyon btween Thermal Canyon and Painted Canyon, just to the west of Mecca Hills Canyon. 138 Comment
  RSA599290  Euphorbia ocellata subsp. ocellata L. C. Wheeler 1952-10-29 7010 -a Riverside Riverside. Citrus Experimental Station. Comment
  POM12022  Euphorbia palmeri Mary F. Spencer 1921-6-1 1227 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  UCR5988  Euphorbia palmeri Karen Cook 1966-5-12 s.n. Riverside San Jacinto Mtns, across the street from entrance to San Jacinto Wilderness State Park, on roadside, in Idyllwild. 1809 Comment
  UCR201617  Euphorbia serpillifolia subsp. hirtula Scott D. White, Justin M. Wood 2008-6-18 12237 Riverside San Jacinto Mountains, meadow northwest of Keen Camp Summit, southwest of Hwy 79 1463 Comment
  RSA356989  Euphorbia spathulata R. F. Thorne 1973-5-23 43862 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  RSA27589  Fagonia laevis C. Leo Hitchcock 1940-4-2 5920 Riverside Cottonwood Spring wash, Joshua Tree National Monument. Comment
  SBBG29416  Fagonia laevis D. Myrick 1968-3-4 1810 Riverside Palms to Pines Hwy out of Palm Desert Comment
  SBBG67798  Fagonia laevis S. W. Hutchinson -Feb-1926 1144 Riverside Box Cyn 152 Comment
  SJSU4939  Fagonia laevis J. A. Schroeder 1969-4-1 8 Riverside 10 mi N of Blythe Comment
  UCR90324  Fagonia laevis Ed LaRue 1993-4-28 s.n. Riverside Sonoran (Colorado) Desert, Blythe landfill, along Blythe-Midland Road, 3 mi. south of the Big Maria Mtns, 6 mi. west of Colorado River 125 Comment
  JOTR31943  Fagonia pachyacantha La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2181 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky drainages feeding into southwest Pinkham Wash Comment
  UC1951122  Fagonia pachyacantha Scott D. White, Justin Wood 2009-3-24 12573 Riverside COLORADO DESERT: Western foothills of Mecca Hills, +/- 0.5 air mile east of the Coachella Canal and 4 air miles S of the I-10 Freeway. USGS Thermal Canyon 7.5' Quad. Comment
  UCR244711  Ferocactus cylindraceus Jim Andre 2012-3-19 21370 Riverside Sonoran (Colorado) Desert, Palen Valley along Palen Pass Rd [Coxcomb Monument Rd.] (dirt), 7.1 mi. east of Hwy 177 321 Comment
  SD45871  Ferocactus cylindraceus var. cylindraceus George E. Lindsay 1954-4-1 2059 Riverside 10 miles north of Shavers Well. Growing on well drained alluvial slopes. (IPB 8/07) Comment
  UCR102821  Festuca microstachys A. C. Sanders 1997-3-26 20111 Riverside Lake Skinner area, NW foot of Tucalota Hills, shallow valley along dirt road 0.65 mi. east of main Lake Skinner road 457 Comment
  RSA0124825  Festuca octoflora Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8746 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting on the Martinez Slide to the north of Toro Canyon, approximately 5.25 air miles east northeast of the summit of Martinez Mountain. 123 Comment
  UCR85244  Festuca octoflora A. C. Sanders, P. J. MacKay, M. Jacobsmyer, C. L. Sanders 1995-3-5 15992 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
  UCR86654  Festuca octoflora A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16261 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  VVC562  Festuca octoflora A. C. Sanders 1995-3-12 16089 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  RSA496369  Filago arizonica Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-3-19 3043 Riverside Vail Lake area, 0.75 mile NW of dam, S flank Oak Mountain 622 Comment
  RSA763403  Filago californica Scott D. White, Angelia Carey 2004-4-5 10001 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR116825  Filago californica A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23926 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  UCR167532  Filago californica Scott D. White 2005-3-29 10832 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  SEINET3082771 Image available Filago depressa O. F. Clarke 1973-4-1 Riverside Sonoran Desert, alluvial fan at S entrance to Joshua Tree National Monument, below Cottonwood Springs. Comment
  RSA69882  Forestiera pubescens F. W. Peirson 1933-4-13 10647 Riverside Between Deep Canyon and Idyllwild, at Palm Canyon crossing 1387 Comment
Read comments
Oct 31 2011
  UCR216069  Fouquieria splendens Helen Kennedy, Fred R. Ganders 2008-4-9 6262 Riverside Sonoran (Colorado) Desert, c. 0.5 mi. from junction of Hwy 10 and Cottonwood Spring Road on dirt road to west, SE of Joshua Tree National Park 529 Comment
  PASA1847  Franseria dumosa R. Peirce 1966-4-21 Riverside 2 mi. W. of Windy Point, 2 mi. S. of White Water P.O. Comment
  SEINET273042  Fritillaria biflora A. C. Sanders 1997-4-3 20166 Riverside Lake Skinner area; N edge of large clay patch adjacent to the Skinner entrance rd. ca 1-2 km NE of Borel. UTM 10km cel 473 Comment
  UCR198191  Funastrum hirtellum Michael Honer, L. Hulse 2004-4-3 1890 Riverside Colorado Desert, Little San Bernardino Mountains, Rockhouse Canyon c. half mi north of intersection with Fargo Canyon 610 Comment
  UCR232393  Funastrum utahense Dave Silverman 2010-3-30 7880 Riverside Sonoran (Colorado) Desert, east bajada flank of southern McCoy Mountains, 950 m W of Black Creek Rd, E of McCoy Pk, and 4.4 km north of I-10 171 Comment
  UC1929480  Galium angustifolium subsp. jacinticum Valerie Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1705 Riverside Peninsular Ranges; San Jacinto Mountains region; Slope above junction of Dark Canyon and Fuller Mill Creek. Comment
  UCR92225  Galium aparine D. L. Banks, Steve Boyd 1995-3-16 0105 Riverside Peninsular Range, Cleveland National Forest, Agua Tibia Wilderness Area. east of the Dripping Springs Alcove, N slope of Wildhorse Peak, on the Wildhorse Trail 610 Comment
  RSA36548  Galium hilendiae subsp. hilendiae Sara M. Schenck 1941-5-30 s.n. Riverside Quail Mt. Joshua Tree National Monument. 1585 Comment
  JOTR32839  Galium multiflorum La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1481 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; granitic bouldery slopes above wash 1260 Comment
  JEPS52916  Galium porrigens var. porrigens Lauramay T. Dempster and G. L. Stebbins 1965-6-17 4132 Riverside s Idyllwild (on road to Alvin Meadow) Comment
  UCR151212  Galium porrigens var. porrigens Scott D. White 1999-7-9 7536 Riverside Peninsular Ranges; San Jacinto Mts region, Idyllwild Area: near Idyllwild Community Service District sewage ponds at terminus of USFS Road #S24.2 1433 Comment
  POM367819  Galium stellatum M. B. Dunkle 1937-3-25 4928 Riverside Colorado Desert. Shaver's Well Comment
  UC666515  Galium stellatum var. eremicum Annie M. Alexander and Louise Kellogg 1941-5-18 2200 Riverside n slope Colorado Desert, Eagle Mountains 1066 Comment
  CAS-BOT-BC178391  Garrya flavescens Carl B. Wolf 1939-1-20 9486 Riverside East side Santa Ana Mts., along Eagle Motor Way, 1 mi. below summit. 914 Comment
  RSA444788  Garrya flavescens var. pallida J. C. Roos 1966-4-23 s.n. Riverside Skyline Drive, Santa Ana Mtns., above Corona. Comment
  CAS-BOT-BC158071  Garrya veatchii S. B. Parish 1918-4-3 11696 Riverside Brush land at mouth of San Jacinto River Comment
  UCR168683  Garrya veatchii T. B. Salvato, John F. Green 2004-5-27 583 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  UC454604  Gayophytum diffusum subsp. parviflorum I. J. Condit 1910-6-21 Riverside Strawberry Valley San Jacinto Mts. 1676 Comment
  SEINET10492292  Gayophytum nuttallii David B. Dunn 1946-8-18 Dunn 2754 Riverside On dry gravely soil on ridge overlooking round valley where the trail forks going to round valley and to the peak. San jecinto mts. California. Comment
  CAS-BOT-BC303583  Geraea canescens Mrs. J. C. Augsburg 1926-1-26 s.n. Riverside Palm Springs Comment
  POM30733  Geraea canescens W. G. Wright s.n. Riverside Agua Caliente (Palm Spring), Colorado Desert. Comment
  RSA651116  Geraea canescens Fred Watkins 1949-2-16 s.n. Riverside Palm Springs. 609 Comment
  RSA736586  Geraea canescens Keith E. Hoffmaster 1933-4-15 355 Riverside Desert end Palms to Pines road. Comment
Read comments
Aug 18 2010
  UCD132581  Geraea canescens P. C. Everett; E. K. Balls 1958-4-29 22956 Riverside US Hwy. 60/70 Indio to Blythe, 2.7 miles east of junction with Highway 99. 30 Comment
  SEINET10849118  Geraea canescens David B. Dunn, Shogo; Schroeder; Bruskin; FOLSOM 1948-3-14 Dunn 3750 Riverside Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  UCR177324  Geranium carolinianum Scott D. White, Michael Honer 2003-5-27 9415 Riverside Gavilan Hills / Temescal Canyon, hills and canyons c. 1 mile north of the I-15 Fwy and 1 mi east of Lake Street exit, south and/or west of unnamed peak '2349 549 Comment
  UCR118397  Gilia A. C. Sanders 1994-5-29 14567 Riverside San Bernardino Mtns., lower Millard Canyon, at first stream crossing on Forest Service Road 2S05, near Bench Mark 2868 850 Comment
  UCR139140  Gilia John F. Green 2003-6-11 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR156460  Gilia T. B. Salvato, A. C. Sanders 2005-5-17 902 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
  UCR157429  Gilia N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 183 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  UCR240644  Gilia Tracy Tennant, Mitch Provance 1998-6-16 MOR- 436 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon, in wash just north of woodland stand M15 1098 Comment
  SD119885  Gilia achilleifolia Louis B. Ziegler 1972-6-5 474 Riverside San Jacinito Mountains. In a Canyon at the lower end of Poppet Flats. In full sun and semi shade. 1067 Comment
  SEINET156054  Gilia achilleifolia Norman C. Cooper 1945-5-24 1625 Riverside Big Oaks Canyon. 1220 Comment
  RSA470127  Gilia angelensis N. C. Cooper 1944-3-24 1025 Riverside Banning. 701 Comment
  RSA470134  Gilia angelensis Anonymous 1920-03 s.n. Riverside Ivy Canon, Temescal. Comment
  UCR169785  Gilia angelensis Scott D. White, Michael Honer 2003-4-25 9114 Riverside San Bernardino Mtns, Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm, west side of road 671 Comment
  UCR19148  Gilia angelensis John C. Roos, L. Roos 1954-4-17 6069 Riverside Pass at summit of Reche Canyon 732 Comment
  UCR92046  Gilia angelensis Scott D. White 1995-3-30 2653 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  UCR97577  Gilia angelensis Scott D. White 1997-2-28 4723 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  UCR106884  Gilia capitata A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20666 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
  POM19650  Gilia diegensis Mary F. Spencer 1923-6-12 s.n. Riverside Idyllwild, San Jacinto Mountains. 1646 Comment
  UC126043  Gilia diegensis D. Cleveland 1882-5-3 Riverside Temecula Comment
  RSA95645  Gilia diegensis Verne Grant, Alva Grant 1955-04 20680 Riverside Creek bottom in brush on Clark and Noni Ranch, 10 mi. E of hwy 395 on hwy 71, Temecula to Warner Hot Springs. Comment
  UC1931687  Gilia latifolia J. Wear, N. Moorhatch 1993-6-11 Riverside Mecca Hills 60 Comment
  SD137682  Gilia ochroleuca subsp. exilis Darin L. Banks, Steve Boyd 1995-4-5 148 Riverside Agua Tibia Wilderness Area; north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove, west of the Dripping Springs Trail. 573 Comment
  UCR108864  Gilia ochroleuca subsp. exilis Heidi A. Haid 1968-5-8 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR193265  Gilia ochroleuca subsp. exilis A. C. Sanders, Tim Thomas 2008-6-20 35526 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
  RSA0017269  Gilia ochroleuca subsp. exilis Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  RSA802135  Gilia ochroleuca subsp. vivida Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5014 Riverside Strawberry Creek to the southwest of Strawberry Valley, about 2.4 air miles southwest of Idyllwild. 1534 Comment
  UCR51928  Gilia scopulorum Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2186 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA0124002  Gilia stellata Duncan S. Bell, Thomas Stoughton 2016-4-13 9248 B Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; on the western slopes of Martinez Mountain. 1548 Comment
  RSA49190  Gilia stellata P. A. Munz 1949-4-13 13043 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
  UC880019  Gilia stellata C. L. Hitchcock 1940-3-31 5880 a Riverside 1/2 mi below Cottonwood Spring; below Cottonwood Spring 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
  UCR59060  Glinus lotoides Ed LaRue 1989-10-11 s.n. Riverside 1.5 mi. west of Lake Mathews, north of Cajalco Rd. Comment
  SEINET260219 Image available Glyceria elata M. Curto, L. Allen 1992-6-15 826 Riverside San Bernardino National Forest ; San Jacinto Mts NW of Pine Cove SBNF Rd 5S09 @ Stone Cr 1370 Comment
  UCD85133  Glyceria elata F. M. Reed 1908-7-13 2479 Riverside San Jacinto Mt., stream in meadow N side of Tahquitz Valley. 2438 Comment
  UCR241224  Glyceria occidentalis Tracy Tennant, Jeffrey Ross 1998-7-11 MOR- 514 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  RSA36560  Gnaphalium canescens Sara M. Schenck 1942-04 s.n. Riverside Split Rock, Joshua Tree National Monument, Riverside Comment
  CLARK-A1528-1856  Gnaphalium microcephalum John C. Roos 1937-8-19 2501 Riverside San Jacinto Mountains Comment
  UCR264073  Gnaphalium microcephalum S. J. Myers, Vesta A. Myers, Bill Hopson 2015-1-2 1071 Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon, lower part of canyon, near Corona 427 Comment
  UC896945  Gnaphalium palustre P. A. Munz 1922-9-6 6375 Riverside Hidden Lake San Jacinto Mts., Hidden Lake 2438 Comment
  UCR231778  Gnaphalium palustre John F. Green 2008-4-23 08- 22 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  RSA91697  Gnaphalium palustre F. W. Peirson 1930-5-10 8769 Riverside Roadside, on Hemet Plateau near March Field, between Riverside and Perris. 457 Comment
  RSA632470  Gnaphalium stramineum Scott D. White 1998-6-17 6752 Riverside Gavilan Hills, W Riverside Co.: 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. 488 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
  POM96188  Guillenia lasiophylla Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring, Chuckwalla Mountains, Colorado Desert. Comment
  RSA0094893  Gutierrezia californica A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-20 41736 Riverside Temesal Canyon, open area on south side of I-15, between Horse Thief Canyon Road and Hostettler Rd. 400 Comment
  RSA125983  Gutierrezia californica E. K. Balls, Percy C. Everett 1957-11-4 22744 Riverside Snow Creek, N. base of San Jacinto Mts. 701 Comment
  UCD132607  Gutierrezia californica Steve Boyd; Tim Ross, Laurel Arnseth 1989-6-4 3653 Riverside Vail Lake area, west base of hills between Temecula and Wilson Creeks. 487 Comment
  SDSU13560  Gutierrezia sarothrae W. Miller, C. Mosse Riverside Comment
  UC1213985  Gutierrezia sarothrae Otto T. Solbrig 1958-8-21 2773 Riverside on Hwy 74 11.1 mi e Keen Kamp Comment
  UC284166  Gutierrezia sarothrae P. A. Munz 1923-6-18 7125 Riverside 3 mi n Lake Elsinore Comment
  SEINET11849059  Gutierrezia sarothrae M. T. Doutt 1931-1 778 Riverside Chino Canyon, Palm Springs Comment
  SEINET7883455 Image available Haplopappus acradenius subsp. eremophilus Lewis S. Rose 1945-1 s.n. Riverside Palm Springs 137 Comment
  CLARK-A1528-1884  Haplopappus cooperi John C. Roos 1943-5-22 2648 Riverside Little San Bernardino Mountains Comment
  RSA561507  Hazardia squarrosa var. grindelioides Steve Boyd, Tim Ross, D. Bramlet 1992-9-9 7667 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
  UCR174613  Helianthemum scoparium Jennifer H. Jones 2006-6-6 385 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; San Juan Loop Trail 'head 598 Comment
  CAS-BOT-BC305361  Helianthus annuus H. A. Dutton 1898-6-1 s.n. Riverside Elsinore Comment
  UCR177315  Helianthus californicus Scott D. White, Michael Honer 2003-10-9 9816 Riverside San Jacinto Mountains, Pine Cove. Lily Creek just north of crossing at Hwy 243 1738 Comment
  SBBG8410  Helianthus gracilentus H. and M. Dearing 1940-6-8 4349 Riverside S of Ribbonwood, Palms to Pines Hwy Comment
  RSA650770  Helianthus gracilentus C. J. Humphrey 1936-6-7 446 Riverside [Unspecified] Comment
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Dec 15 2011
  UCSB37797  Helianthus niveus Roos, John 1965-4-28 Riverside Palm Springs Comment
  CLARK-A1528-246  Helianthus tuberosus Oscar F. Clarke 1969-9-28 Riverside Riverside Comment
  UCR16101  Heliotropium curassavicum S. Nelson 1974-5-18 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, four mi. west of Murrieta on Tenaja Rd. 610 Comment
  UCR261196  Heliotropium curassavicum A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-5-18 41714 Riverside Esinore, SE quarter of large vacant lot between Hwy 74 and Enterprise Way, a short distance NE of the drain from Lk. Elsinore to Temescal Canyon, S of the end of Enterprise and W of the end of Pasadena St. 387 Comment
  UCSB56160  Heliotropium curassavicum Liston, A.; Elias, Thomas; Dorado, O. 1986-11-29 Riverside Road to Painted Canyon, Mecca Hills Comment
  UCD119439  Heliotropium curassavicum var. oculatum A. C. Sanders 2004-8-10 28762 Riverside Perris-Aguanga Region: 3 miles ENE of Perris, new nursery growing grounds W of Menifee Rd. (=Pozos Av.) and S of Nuevo Rd., between San Jacinto River and Nuevo. 433 Comment
  POM49130  Hemizonia kelloggii Mary F. Spencer 1919-6-17 1192 Riverside Near San Jacinto 304 Comment
  RSA674558  Hemizonia kelloggii Scott D. White, Tasha La Doux 2000-6-3 7999 Riverside S of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  UCR137601  Hemizonia paniculata John F. Green 2004-7-6 s.n. Riverside Santa Ana River Valley, north end of Payton Ave., Riverside, near natural gas pipeline facility, above Santa Ana River 229 Comment
  UCR150559  Hemizonia paniculata Scott D. White 2003-12-1 9890 Riverside Santa Ana River Valley; city of Riverside; La Sierra area 244 Comment
  UCR182425  Hemizonia paniculata Mitch Provance, A. Montalvo 2005-5-12 6701 Riverside Granitie Knolls and Mesas of Riverside, Riverside (Prenda area), land bordering the E side of Washington and the north side of Hermosa St. 335 Comment
  UCR235055  Hemizonia paniculata A. C. Sanders, John F. Green 2012-5-27 40201 Riverside Peninsular Range; Perris-Aguanga Basin Region, powerline route between housing tracts, west of Goetz Rd and east of San Jacinto River, S of Ethanac Rd. 448 Comment
  CLARK-A1528-1925  Hemizonia pungens John C. Roos 1965-6-21 Riverside San Jacinto Comment
  RSA532553  Hemizonia pungens subsp. laevis D. E. Bramlet 1990-7-26 2062 Riverside Murrieta Creek at the Rancho California Street bridge in Temecula. On W side of creek, just E of Diaz Rd and within the creek channel 330 Comment
  UCR66977  Hemizonia pungens subsp. laevis D. E. Bramlet 1990-7-26 2062 Riverside Peninsular Range, Murrieta Creek at the Rancho California Street bridge in Temecula, W side of creek, just east of Diaz Rd & within the creek channel 330 Comment
  RSA612484  Hesperocnide tenella D. L. Banks 1997-2-23 1333 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
  UCR92701  Hesperocnide tenella A. C. Sanders, O. F. Clarke, et al. 1996-4-13 18033 Riverside Riverside: Box Springs Mtns, crest of range in vicinity of park headquarters, head of Two Trees Canyon 700 Comment
  SD136992  Hesperoyucca whipplei Steve Boyd, Tim Ross 1992-5-4 7200 Riverside Southern Santa Ana Mountains; San Mateo County Wilderness Area; Oak flats area east of Verduga Potrero. 730 Comment
  SBBG63118  Heterotheca sessiliflora subsp. echioides R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns 1645 Comment
  UC297891  Heterotheca sessiliflora subsp. echioides David D. Keck 1926-9-30 265 Riverside 1.4 mi nw of Murrietta Comment
  CAS-BOT-BC310834  Heterotheca sessiliflora subsp. fastigiata P. A. Munz; E. K. Balls 1952-8-21 17990 Riverside Head of Hemet Valley, San Jacinto Mts. 1493 Comment
  RSA1640436A  Heterotheca sessiliflora subsp. fastigiata J. D. Olmsted 1959-8-18 801 Riverside May Valley Truck trail at crest W of S ridge of Tahquitz Peak, SE of Desert Sun School, Idyllwild, alt 5800ft. San Jacinto Mts, 1768 Comment
  UCR92775  Heterotheca sessiliflora subsp. fastigiata F. M. Reed 1933-9-20 8083 Riverside San Jacinto Mtns., N shore of Hemet Lake 1525 Comment
  POM13989  Hibiscus denudatus P. A. Munz, D. D. Keck 1922-4-9 4893 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  RSA0104412  Hibiscus denudatus Duncan S. Bell, Sarah DeGroot, Cheryl Sevilla 2015-2-10 7741 Riverside Santa Rosa Mountains; upper north fork of Bear Creek, about 5.75 air miles north of the summit of Martinez Mountain. 357 Comment
  SFV6345  Hibiscus denudatus T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 61 Riverside Little San Bernardino Mountains Little San Bernardino Mountains. Berdoo Canyon. Comment
  RSA95299  Hibiscus denudatus F. W. Peirson 1922-4-9 2900 Riverside Palm Canyon Region, near Palm Springs. Comment
  UCR165641  Hilaria rigida John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  SEINET10926756  Hilaria rigida Charles L. Hitchcock 1940-4-3 Hitchcock 5934 Riverside 11/2 mi. northeast of Cottonwood Spring along 29 Palms Road, Joshua Tree Nat. Monument. Comment
  RSA495404  Hirschfeldia incana Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-11 2888 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 390 Comment
  SD215519  Hoffmannseggia glauca W. Wisura, J. Dolan and M. Wall 1992-3-25 4646 Riverside Ford Dry Lake north of I-10 at Hopkins Well. Comment
  UC406703  Hoffmannseggia glauca Marcus E. Jones, A. M. 1929-9-16 Riverside e of Desert Center Comment
  RSA0125269  Hoffmannseggia microphylla Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8757 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting on the Martinez Slide to the north of Toro Canyon, approximately 4.5 air miles east northeast of the summit of Martinez Mountain. 230 Comment
  UCD63683  Holodiscus discolor var. microphyllus D. Sanchez-Mata; Richard Halsey 2006-6-28 s.n. Riverside Corona. Cleveland National Forest. Santa Ana Mountains. Indian Truck Trail from Corona. 1110 Comment
  UCR92767  Hordeum brachyantherum F. M. Reed 1906-3-13 905 Riverside Riverside, Mesa east of Riverside. Above the Gage Canal 311 Comment
  RSA608532  Hordeum intercedens D. E. Bramlet 1996-4-11 2449 Riverside San Jacinto Wildlife Area, approx. 762 m NE of Lakeview. The site is found 122 m E of Davis Road and 40 m N of marvin Road., 37 44 856mN X 4 88 940mE 434 Comment
  UCR162953  Hordeum intercedens Fred M. Roberts, D. E. Bramlet 2005-4-1 6141 Riverside Upper Salt Creek, W of Hemet, parcel between Devonshire and Florida, c. 0.2km N of Florida and 0.2km W San Diego Aquaduct; c. 2km NW Ryn Field 457 Comment
  CAS-BOT-BC285110  Hordeum marinum subsp. gussoneanum Philip A. Munz 1937-3-27 14936 Riverside Overflow from Lake Elsinore, Elsinore 304 Comment
  UCR21121  Hordeum murinum A. C. Sanders, Steve Boyd 1980-5-19 1496 Riverside San Jacinto Mtns, Garner Valley. Meadow west of Kenworthy Ranger Station. 1375 Comment
  UCR91887  Hordeum murinum A. C. Sanders, K. D. Jones, D. Malueg 1996-4-20 18043 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  POM295696  Hordeum murinum subsp. glaucum Lyman Benson 1932-3-26 3167 Riverside 3 miles N [of] Temecula, San Jacinto Mountains; [this location cannot be in San Jacinto Mtns. -SW] 457 Comment
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Dec 4 2011
  CAS-BOT-BC148563  Horkelia clevelandii H. M. Hall 1901-7-1 2291 Riverside Strawberry Valley, San Jacinto Mts. 1615 Comment
  JEPS46452  Horsfordia Mrs. Ben L. Clary Apr., 1930 Riverside Coral Reef Ranch Coachella Comment
  RSA433951  Horsfordia alata Marjorie D. Clary 1930-04 s.n. Riverside Canyon near Coachella 19 Comment
  UCSC000923  Hosackia oblongifolia var. oblongifolia Peter Kamb 1947-6-7 560 c Riverside San Jacinto Mts., Hall Canyon 1646 Comment
  UCR201643  Hulsea vestita subsp. callicarpha Scott D. White, Justin M. Wood 2008-6-16 12150 Riverside San Jacinto Mountains, meadow at Quinn Flat 1378 Comment
  PASA841  Hymenoclea salsola 1928-3-3 Riverside Hidden Springs Canon Col. Desert Comment
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Aug 27 2016
  POM361084  Hymenoclea salsola N. C. Cooper 1948-5-13 2842 Riverside Morongo Pass. 854 Comment
  POM41959  Hymenoclea salsola Marcus E. Jones 1924-2-7 s.n. Riverside Salton Sea near Oasis. Comment
  UCR52230  Hymenoclea salsola Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2132 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 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
  RSA703812  Hymenoclea salsola var. salsola LeRoy Gross 2005-3-3 1596 Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W 207 Comment
  UCR110984  Hymenopappus filifolius var. lugens George K. Helmkamp 1998-6-27 4122 Riverside Santa Rosa Mtns., 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), below Mountain Home Spring 1799 Comment
  UC667320  Hymenoxys cooperi Annie M. Alexander and Louise Kellogg 1941-5-4 2116 Riverside sandy flat near edge reservoir; Joshua Tree National Monument, Barker Dam 1325 Comment
  POM48402  Hypericum formosum var. scouleri P. A. Munz, I. M. Johnston 1924-7-28 8806 Riverside Pine Flats 1738 Comment
  RSA343866  Hypochaeris glabra R. F. Thorne, Walter Wisura, E. W. Lathrop, Sara Meury 1985-5-18 60658 Riverside Santa Rosa Plateau: at edge of Cleveland National forest 610 Comment
  RSA613451  Hypochaeris glabra D. L. Banks, Victor Steinmann 1997-3-13 1441 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
  RSA658720  Hypochaeris glabra Margaret Murphy 1983-5-21 0036 -D Riverside located in the north section fo parsel 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  HSC87130  Hyptis emoryi Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2102 Riverside N end of the Palen Mtns., 2 mi. W of Palen Pass 300 Comment
  JOTR35353  Hyptis emoryi Andre, Jim 2012-4-11 20724 Riverside Joshua Tree National Park. Pinto Basin; along road to Cootonwood, I mi NW of Fried Liver Wash, approx. 15 mi S of Hwy 62 in Twentynine Palms 617 Comment
  LA30753  Hyptis emoryi Peter H. Raven; 1958-1-24 11444 Riverside Fargo Canyon Comment
  UCSB17914  Hyptis emoryi Winn, Will 1963-2-23 Riverside Ladder Canyon, 9 miles E of Mecca, Coachella Valley 213 Comment
  UCSB19490  Hyptis emoryi Shaw, Merrilee 1963-5-5 Riverside Just off California Highway 74, 5.7 miles NE of Pinyon Flats Campground 762 Comment
  SEINET13948486 Image available Hyptis emoryi Rateaver 1944-1 51 Riverside Tahquitz Creek near Palm Springs Comment
  CAS-BOT-BC274061  Imperata brevifolia H. E. Hasse 1913-11-22 s.n. Riverside Cienega in Chino Canon [Canyon], San Jacinto Mts Comment
  SEINET3091300 Image available Ipomoea triloba A. C. Sanders 1988-11-6 8737 Riverside Coachella Valley; W side of Hwy 86, 6.25 mi. south of junction with Hwy 111 in Coachella and 3.85 mi. north of Valerie Jean, 0.55 mi north of Ave. 60. -35 Comment
  POM359294  Isocoma acradenia var. eremophila Jack Rempel 1932-11-13 16120 Riverside 6 miles up Palm Wash Comment
  RSA614494  Isocoma acradenia var. eremophila A. C. Sanders, S. White, C. L. Sanders 1994-10-9 15818 Riverside Whitewater Canyon, 2 miles below trout farm, above Bonnie Bell. 550 Comment
  CDA32704  Isocoma menziesii var. vernonioides Mike Lahti 2009-9-29 PDR# 1501830 Riverside In the vicinity of Temecula. Found 1 mile south of Auld Road on Pourroy Road at Tucalota Creek. 0 Comment
  RSA0039517  Isocoma menziesii var. vernonioides Mike Lahti 2009-9-29 PDR 1501830 Riverside In the vicinity of Temecula. 1 mile south of Auld Road on Pourroy Road at Tucalota Creek. Comment
  UCD133365  Iva axillaris R. N. Raynor 1938-6-20 s.n. Riverside Coahuila. Comment
  UCD51381  Jarava speciosa A. A. Beetle 1946-6-10 4387 Riverside San Jacinto Mt., San Jacinto Mts. 762 Comment
  CLARK-A1703-1214  Jasminum mesnyi Charles S. Papp 1965-1-12 805 Riverside Riverside Comment
  RSA595913  Jepsonia parryi D. L. Banks, Lauren Raz 1996-11-5 1172 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; Along a steep ridge S of the floodplain of the northern fork of Pechanga Creek. 487 Comment
  UC56919  Jepsonia parryi H. M. Hall Apr. 1902 2750 Riverside Winchester Comment
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Mar 20 2011
  UCR100825  Juglans nigra A. C. Sanders, T. Tennant 1997-11-14 21601 Riverside San Bernardino Mtns., Morongo Indian Reservation, sag pond at SE end of Burro Flats 1110 Comment
  UCR101655  Juglans nigra A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22231 Riverside San Bernardino Mtns., Morongo Indian Reservation, lower Hathaway Creek Canyon 838 Comment
  CAS-BOT-BC110070  Juncus acutus W. R. Dudley 1903-12-29 612 Riverside Palm Gulch - Palm Springs. Comment
  UC667381  Juncus acutus subsp. leopoldii Annie M. Alexander and Louise Kellogg 1941-5-26 2241 Riverside Monsen Canyon Colorado Desert, Eagle Mountains 914 Comment
  SDSU14318  Juncus arcticus var. mexicanus Kristin Andrade, Mike Simpson 2002-4-20 12 Riverside On north side of Santa Margarita river, 500 feet from junction of Via Tornado road. Santa Margarita Ecological Reserve Road. 229 Comment
  RSA563911  Juncus bufonius A. C. Sanders 1993-4-5 13685 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74). 460 Comment
  UCR225503  Juncus bufonius A. C. Sanders, T. B. Salvato 2011-3-29 38848 Riverside Peninsular Range; Perris-Aguanga Basin Region, valley at toe of hills between Sun City and Perris, powerline corridor between Goetz Rd. and Alabaster Loop, north of Goldenrod Ave. 448 Comment
  UCR37626  Juncus bufonius George K. Helmkamp 1984-5-2 D 18 Riverside Little San Bernardino Mountains, Big Morongo Canyon, 3 - 3.5 miles below the caretaker's house at the Big Morongo Preserve 610 Comment
  UCSB26799  Juncus bufonius var. bufonius Wilken, Dieter 1969-6-30 Riverside California State Highway 74; 0.5 miles west of Keen Camp Summit; San Jacinto Mtns Comment
  RSA70095  Juncus bufonius var. occidentalis F. W. Peirson 1922-4-29 2928 Riverside South of Lake Elsinore. 381 Comment
  UCR128302  Juncus effusus subsp. austrocalifornicus Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8641 Riverside San Jacinto Mtns, Idyllwild area; 'Strawberry Fuelbreak' between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek 1646 Comment
  RSA666859  Juncus luciensis A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 738 Riverside Mesa de Burro 610 Comment
  UC1931127  Juncus macrophyllus Scott D. White, Justin Wood 2008-6-18 12248 Riverside San Jacinto mountains; Meadow N/ W of Keen Camp Summit, S/W of highway 79. (Idyllwild). Comment
  UCR195098  Juncus rugulosus A. C. Sanders, Tim Thomas 2008-8-1 35950 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1402 Comment
  UCR125764  Juncus textilis A. C. Sanders, Lowell J. Bean, Pesach Lubinsky, et al 2003-1-10 25659 Riverside San Jacinto Mountains, Bautista Canyon, c. 3/4 mile above the Horse Canyon confluence, near beginning of Alessandro Trail 884 Comment
  UCR164569  Juncus textilis S. J. Myers 2001-7-16 s.n. Riverside San Jacinto Mtns, Bautista Canyon 878 Comment
  UCR164302  Juncus xiphioides S. J. Myers 2001-7-16 s.n. Riverside Peninsular Range; San Jacinto Mtns, Bautista Canyon 951 Comment
  IRVC1218  Juniperus californica R. H. Whittaker, W. A. Niering 1963-5-31 SJ 116 Riverside Elks Road. Peninsular Ranges, Santa Rosa Mountains 1265 Comment
  RSA0097946  Juniperus californica Duncan S. Bell 2014-11-14 7727 Riverside Santa Rosa Mountains; in the Santa Rosa Wilderness area; west side of Martinez Mountain; collecting at Cactus Spring. 1292 Comment
  RSA604385  Juniperus californica L. C. Wheeler 1960-1-2 7672 Riverside Alberhill. Open rocky flat. Comment
  UC1929342  Juniperus californica Scott D. White, Angelia Carey 2004-7-2 10578 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. Comment
  UCR11  Juniperus californica Eugene Cardiff 1950-2-19 s.n. Riverside Santa Rosa Mtns., Palms-to-Pines Hwy. [near Pinyon Flats] 1372 Comment
  UCR155312  Juniperus californica A. C. Sanders 2005-5-4 29843 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  UCR83576  Juniperus californica A. C. Sanders, P. J. MacKay, L. Lubinsky 1994-10-30 15852 Riverside San Bernardino Mtns., Whitewater River Canyon between Red Dome & Stills Landing, SE of VABM Paw (2988 ft.) 854 Comment
  RSA26370  Justicia californica Reid Moran 1941-5-5 855 Riverside Cottonwood Pass, Eagle Mtns. Comment
  UCD121631  Justicia californica Richard Bates 1949-4-26 s.n. Riverside Cathedral City. Comment
  UC2044617  Kallstroemia californica A. C. Sanders, T. B. Salvato 2012-10-12 40414 Riverside Sonoran (Colorado) Desert: Chuckwalla Valley, along Chuckwalla Valley Rd., 2.9 km (1.8 mi.) west of I-10 junction. (East of Aztec Mines 7.5' Q.) Comment
  RSA79828  Keckiella antirrhinoides F. W. Peirson 1914-04 1105 Riverside Whitewater at head of Coachella Valley. Comment
  UCR113126  Keckiella antirrhinoides A. C. Sanders 1998-2-19 21654 Riverside San Bernardino Mountains, mouth of Hathaway Canyon, Morongo Indian Reservation, east of Banning 793 Comment
  RSA679113  Keckiella antirrhinoides subsp. antirrhinoides M. Wall, Sean Wall 2003-5-24 331 Riverside NE of Skinner Reservoir, Rawson Canyon, Rawson Rd. 2.7 miles from jct. with Washington Ave. 564 Comment
  CAS-BOT-BC174791  Kochia scoparia R. E. Riefner, Jr. 2006-5-30 06 -214 Riverside Romoland, Sherman Rd. near Ethanac Rd. 440 Comment
  UC1132141  Koeleria macrantha H. S. Yates 1936-8-29 6380 Riverside near Pine Flat; San Jacinto Quad., near Pine Flat Comment
  UCD85662  Koeleria macrantha A. A. Beetle 1944-4-27 3002 Riverside West of Murietta. Comment
  SD2346  Krameria bicolor unknown Riverside Palm Springs Comment
  CAS-BOT-BC43711  Krameria erecta Carl B. Wolf 1932-4-29 3098 Riverside Eastern Colorado Desert. W. edge of Maria Mts. 17 mi. from Blythe on Rice Road 152 Comment
  JOTR31935  Krameria erecta La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2173 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky wash draining into west Pinkham Wash Comment
  JOTR37457  Krameria erecta Hodges, Stephen, T. Green 2016-5-24 579 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; On slopes with granitic boulders descending down east side of Minerva Hoyt peak towards Lost Horse area and in sandy washes beneath slopes (Stop 3). Comment
  RSA303861  Krameria erecta Jim R. Shevock 1971-5-8 1037 Riverside White Tank, Joshua Tree National Monument. 1174 Comment
  RSA408612  Krameria grayi N. C. Cooper 1949-4-8 3276 Riverside Shaver s Summit east of Indio. 610 Comment
  UC61700  Krameria grayi L. D. Copeland 1904-4-30 2 Riverside near Palm Springs; near Palm Springs Comment
  UCR120968  Krameria grayi Jennie Phui 1998-6-3 105 Riverside Western Colorado Desert/San Jacinto Mtns., near Windy Point and Palm Springs Station, 6 miles NW of Palm Springs city limits, base of Mt. San Jacinto 366 Comment
  RSA0056400  Krameria parvifolia var. imparata James R. Shevock 1970-12-13 560 Riverside White Tank Campground; Joshua Tree. 1175 Comment
  UCR279519  Lactuca serriola A. C. Sanders, Jim Malusa 2017-3-27 43119 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
  UCR207784  Lamium amplexicaule O. F. Clarke 2004-3-13 s.n. Riverside San Bernardino Valley Region, Louis Rubidoux Nature Center, along the Santa Ana River, West Riverside 226 Comment
  RSA0047318  Larrea tridentata Jim Andre 2014-1-27 26658 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  RSA0117856  Larrea tridentata Sarah J. J. De Groot, Rachel Darney-Lane 2016-5-5 7896 Riverside North side of Mecca Hills, north of Shaver's Well and Meccacopia Trail, south of Interstate 10, Shaver's Valley, east-northeast of Mecca. Along Box Canyon Road ca. 5.85 miles west-southwest of Mecca/Cottonwood exit (168) from I-10. 319 Comment
  RSA27448  Larrea tridentata I. L. Wiggins 1941-3-24 9567 Riverside 0.3 miles south of Myoma, 4.6 miles north of Indio. Comment
  RSA390031  Larrea tridentata L. H. Jones 1910-3-17 s.n. Riverside Riverside Mountain on gravelly hillside Colorado River. Comment
  UC64184  Larrea tridentata H. M. Hall Jun 1901 2116 Riverside e base San Jacinto Mts. (along western borders of the Colorado Desert); Colorado Desert, San Jacinto Mts. Comment
  UCR260355  Larrea tridentata A. C. Sanders, Jim Malusa 2015-3-10 41369 Riverside Sonoran (Colorado) Desert, north end of Chocolate Mountains, Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 610 Comment
  UCSB8695  Larrea tridentata Gunnerson, Robert 1953-3-21 Riverside 9 miles east of Indio Comment
  UC83662  Lastarriaea coriacea unknown April 1891 Riverside Cabazon Comment
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Mar 13 2011
  CAS-BOT-BC338913  Lasthenia californica A. C. Sanders 1993-4-5 13694 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74) 460 Comment
  RSA743825  Lasthenia coronaria Sarah J. De Groot, J. Mark Porter 2005-3-9 4772 Riverside Whitewater Canyon, several miles north of I-10. 591 Comment
  RSA85450  Lasthenia coronaria J. C. Roos 1952-4-13 5535 Riverside Box Springs Mtns. 396 Comment
  UC1746480  Lasthenia coronaria A. C. Sanders 1995-4-13 16510 Riverside Devils Garden; San Bernardino Mtns.; Colorado Desert 701 Comment
  UC1746505  Lasthenia coronaria Mitch Provance 2000-4-8 2009 Riverside Jurupa Mountains; S extension of ''Rattlesnake Mt.'', <100 m W of peak 1739. Comment
  UC63215  Lasthenia coronaria H. M. Hall 1903-4-1 3833 Riverside vicinity of Riverside 365 Comment
  UC718551  Lasthenia coronaria Carl B. Wolf 1935-4-7 6306 Riverside 2 mi sw of Perris; Gavilan Hills Region 426 Comment
  UCR101839  Lasthenia coronaria B. G. Pitzer 1997-4-1 3061 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  RSA502915  Lasthenia glabrata subsp. coulteri Ed LaRue 1989-4-7 s.n Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd & Mockingbird Canyon Road. 365 Comment
  RSA5024  Lasthenia gracilis C. B. Wolf 1932-3-20 24 Riverside Richman Ranch, 2.5 miles north of De Luz. 457 Comment
  RSA586002  Lasthenia gracilis Adree M. Desrochers 1989-4-14 438 Riverside Near Lake Matthews, Riverside County, along Cajolco Road, on hills on the N side of road, 5.3 km E of intersection Hwy 15 and Cajalco Road Comment
  UC1536905  Lasthenia gracilis G. H. True 1935-3-19 132 Riverside 6 mi se Perris 487 Comment
  UC495198  Lasthenia gracilis Philip A. Munz 1932-3-24 12015 Riverside Corona 365 Comment
  JEPS40045  Layia platyglossa Marjorie Clary 1934-4-23 Riverside Hemet Valley 1371 Comment
  RSA0013025  Layia platyglossa LeRoy Gross, Caitlin Elam 2013-5-14 6042 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  RSA0045153  Layia platyglossa Andrew Haimov, April Sleigh 1992-4-14 75 Riverside 25 meters east of Davis Road, 1 1/2 miles north of Ramona Expressway, San Jacinto Wildlife Area access road, north of Jacinto River. Comment
  CLARK-A1656-836  Layia platyglossa subsp. campestris Lois Ann Scott 1978-4-11 Riverside San Gorgonio Pass Comment
  RSA739704  Layia ziegleri A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35614 Riverside May Valley c. 1.0 mi SW of Fleming Ranch, along dirt track 1555 Comment
  POM13010  Lemna gibba Philip A. Munz, I. M. Johnston 1922-5-19 5437 Riverside Hemet Valley, San Jacinto Mountains, 1 mile from Garner Ranch. 1372 Comment
  CAS-BOT-BC89431  Lepidium fremontii C. L. Hitchcock 1940-4-1 5922 Riverside Cottonwood Springs wash. Comment
  UCR116713  Lepidium fremontii Helen Kennedy, Sara Mills 2001-3-17 5388 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
  JOTR28808  Lepidium lasiocarpum var. lasiocarpum La Doux, Tasha, Bill Truesdell 2004-3-11 1076 Riverside Joshua Tree National Park. Pinto Basin; Sand Hills 530 Comment
  UCR92069  Lepidium latifolium Scott D. White, S. Ogg 1994-10-17 2479 Riverside City of Temecula, Murrieta Creek channel directly west of Las Haciendas/Del Rio intersection. 314 Comment
  RSA660453  Lepidium latipes A. C. Sanders, K. C. Rose 1998-5-21 21865 Riverside Hemet: alkaline flats west of town, E of the canal, S of Hwy 74 (Florida) and ca. 1/4 mi. W of Warren Rd. 457 Comment
  RSA516883  Lepidium nitidum Steve Boyd 1986-3-1 1368 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park. 640 Comment
  UCR113200  Lepidium nitidum A. C. Sanders 1998-3-11 21658 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, looking down on San Jacinto Valley between ends of Warren Rd. and Sanderson Ave. 610 Comment
  UCR199709  Lepidium nitidum Justin M. Wood 2008-2-4 03 Riverside Santa Ana Mountains, Liberty Quarry, west of fwy 15 near the Rainbow exit 701 Comment
  UCR225451  Lepidium nitidum A. C. Sanders, T. B. Salvato 2011-3-28 38831 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, between Sun City and Perris, west end of McLaughlin Rd. near Byers Rd., along powerline corridor 442 Comment
  HSC6860  Lepidium virginicum var. menziesii C. L. Hitchcock 1966-3-15 24163 Riverside 3 mi. E of Glen Ivy Hot Springs Comment
  RSA282920  Lepidium virginicum var. pubescens C. W. Tilforth, B. Busenberg 1980-6-17 1998 Riverside Along Thomas Mtn Rd, above Lake Hemet, and west of Hwy 74. 1524 Comment
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Dec 28 2013
  SD254575  Lepidium virginicum var. robinsonii D. E. Bramlet 1998-6-4 2632 Riverside North Domenigoni Hills, 3.8 miles ESE (97a^z) of Winchester (Winchester 7.5'Q) 608 Comment
  UCR25950  Lepidium virginicum var. robinsonii John C. Roos 1952-2-29 5367 Riverside San Bernardino Valley, [upper] Reche Canyon 549 Comment
  SEINET3147931  Lepidospartum squamatum L. S. Rose 1938-12-20 38332 Riverside 3 mi. SE of Palm Springs Station, Whitewater Wash 274 Comment
  UCD134034  Lepidospartum squamatum Lewis S. Rose 1966-12-14 66103 Riverside Whitewater Wash, north of Palm Springs. 198 Comment
  RSA697078  Lepidospartum squamatum var. obtectum W. Blanchard 1932-11-11 s.n. Riverside About 3 mi. S. of Palm Springs Station. Comment
  RSA723302  Leptochloa fusca subsp. uninervia P. M. Peterson, D. R. Peterson 1988-8-24 4989 Riverside Batista Canyon Wash, entering San Jacinto River (Wash), Just N. of Cedar & Mountain, NE end of Hemet Comment
  RSA87136  Leptochloa fusca subsp. uninervia F. W. Peirson 1924-12-30 5404 Riverside Thousand-Palms Canyon, north side of Coachella Valley. 122 Comment
  UCR241237  Leptodactylon californicum Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 06 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, lower Hathaway Canyon along Hathaway Canyon Rd. 826 Comment
  RSA516419  Leptosiphon floribundus subsp. glaber W. Wisura, Tom Hayduk, Bart O'Brien 1990-5-2 s.n. Riverside along For. Rd. 3S04 btw. Ortega Hwy and Santiago Peak, Santa Ana Mts. Comment
  RSA152503  Leptosiphon lemmonii R. C. Bacigalupi 1954-5-16 4472 Riverside Along highway 79, near summit of grade about 3/4 miles south of Sage. 762 Comment
  RSA606306  Leptosiphon lemmonii Jon E. Keeley 1994-4-22 25339 Riverside Shipley Reserve. 590 Comment
  UCR244432  Lesquerella tenella Jim Andre 2012-4-16 20927 Riverside Mojave/Sonoran Desert Transition, Joshua Tree National Park; along Cottonwood Springs Rd, 2.4 mi. north of Cottonwood Visitor's Center 956 Comment
  RSA655213  Lessingia glandulifera var. glandulifera Scott D. White 1999-7-9 7533 Riverside Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road S24.2. 1432 Comment
  UCR103173  Lessingia glandulifera var. glandulifera Scott D. White, J. Greene, S. Douthit 1996-10-13 4624 Riverside San Jacinto Valley, Eastern foothills of valley (= 'Santa Rosa Hills'), south of Hemet 610 Comment
  RSA595320  Leymus condensatus D. L. Banks, Victor Steinmann 1996-4-20 883 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
  UCD64300  Leymus condensatus R. N. Raynor 1938-6-20 s.n. Riverside Aguanga. Comment
  RSA334994  Leymus triticoides Steve Boyd 1985-7-23 1006 Riverside De Luz Rd., 5.5 miles west of Rancho California. 396 Comment
  RSA234048  Lilaea scilloides Robert F. Thorne, E. W. Lathrop 1969-6-6 39316 Riverside Santa Rosa Plateau: Rancho California, Mesa de Colorado 624 Comment
  SD229046  Lilium parryi Dick Schwenkmeyer 2012-6-27 738 Riverside May Valley, approx. 5 miles southeast of Idyllwild town center, Mt. San Jacinto, Riverside County, CA. 1531 Comment
  UC1922839  Limosella acaulis Naomi Fraga, Ilene Anderson, Mike Hamilton, Michael Wall, Gary Wallace 2006-9-7 1774 Riverside Peninsular Ranges; San Jacinto Mountains region: Mount San Jacinto State Park, Hidden Lake. Comment
  RSA543614  Linanthus androsaceus subsp. luteolus Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6149 Riverside S side of Elsinore Peak. Comment
  JOTR31080  Linanthus aureus subsp. aureus La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2343 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west of Ryan Mountain; Gravelly flats near Ryan Mountain campground (Stop 1) Comment
  UCR24233  Linanthus dianthiflorus John C. Roos 1952-4-13 5529 Riverside Box Springs Mtns 488 Comment
  UCR258874  Linanthus dianthiflorus T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7917 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 0.6 mi north of Hwy 15 and Temescal Canyon 476 Comment
  UCR31808  Linanthus floribundus Steve Boyd 1982-3-11 s.n. Riverside Brown Canyon, Brown Canyon 7 miles SE of Hemet 701 Comment
  UCR50990  Linanthus jonesii B. G. Pitzer, S. J. Myers, J. Wilkinson 1988-2-21 0603 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
  UC133795  Linanthus lemmonii T. S. Brandegee 1902-5-19 Riverside Banning Comment
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Mar 13 2011
  UCR167979  Linanthus parviflorus T. B. Salvato, John F. Green 2004-5-27 641 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  RSA497947  Linum lewisii E. C. Jaeger 1923-6-21 s.n. Riverside Idyllwild, San Jacinto Mts. 1585 Comment
  POM1813  Listera convallarioides I. M. Johnston 1916-8-1 s.n. Riverside Strawberry Valley, San Jacinto Mountains Comment
  SDSU13907  Lithophragma affine Michael G. Simpson 2000-4-2 2066 Riverside Santa Margarita Ecological Reserve (SDSU), ca. 1/4 mile east of Northside field station on bank above dry creek bed. 335 Comment
  UCR114759  Lithophragma parviflorum Scott D. White, D. E. Bramlet 1999-4-22 7236 Riverside Lake Skinner area, Ridgetop, north, west, and northwest facing slopes of Bachelor Mtn. 762 Comment
  CSUSB536  Lobularia maritima H. C. Sharma 1976-4-26 760426 3 Riverside Washington Street, about 3 miles south of Washington Street on the side of Mocking Bird Canyon 335 Comment
  RSA700026  Loeflingia squarrosa Scott D. White, Michael Honer 2003-4-25 9099 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  UCR116962  Loeflingia squarrosa A. C. Sanders, T. B. Salvato 2001-5-3 24107 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  RSA4921  Loeseliastrum schottii C. B. Wolf 1932-4-28 3083 Riverside 19 mi. W. of Blythe on the Mecca rd. 122 Comment
  RSA748289  Loeseliastrum schottii Justin M. Wood 2009-3-26 417 Riverside Thousand Palms, Under Edison powerlines, near intersection of 30th Ave and Via Las Palmas. 61 Comment
  SD4015  Loeseliastrum schottii Fidella G. Woodcock 1926-3-15 Riverside Palm Springs Comment
  UC1714468  Loeseliastrum schottii E. E. Schellenger 1906-4-3 14 Riverside Colorado Desert, Santa <Marie> Mts. Comment
  UC909104  Loeseliastrum schottii Frank W. Peirson 1926-2-22 6506 Riverside n. of grove palms 1000-Palm Canyon 152 Comment
  UC909134  Loeseliastrum schottii Herbert L. Mason 1928-3-10 4200 Riverside <White Water> R. Comment
  UCSB28365  Loeseliastrum schottii Speckels, M. 1974-3-23 Riverside 0.3 mi. west of junction of Hwy 74 and Hwy. 111; in Palm Desert 152 Comment
  POM9195  Loeseliastrum schottii P. A. Munz, R. D. Harwood 1920-4-4 3525 Riverside Pass south of Palm Springs. 152 Comment
  RSA575975  Lolium perenne Steve Boyd 1981-1-25 s.n. Riverside Gavilan Hills region, upper Dawson Canyon, just west of the Gavilan Plateau 610 Comment
  CLARK-A1528-2430  Lomatium utriculatum Cameron Duncan 1966-3-27 Riverside Riverside 548 Comment
  CAS-BOT-BC234894  Lonicera subspicata var. denudata Elizabeth McClintock 1965-6-25 s.n. Riverside Road to Santa Rosa Mountain, a short distance from Pines to Palms Highway Comment
  POM13999  Lotus argophyllus var. argophyllus E. C. Jaeger s.n. Riverside Santa Rosa Mountains, Colorado Desert Comment
  RSA406124  Lotus argophyllus var. argophyllus N. R. Zabriskie, Walter M. Zabriskie 1973-4-6 628 Riverside South side of stream, Andreas Canyon, E slope San Jacinto Mountains 366 Comment
  RSA504557  Lotus argophyllus var. argophyllus Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca 1 mi SE of town on Nuevo. 640 Comment
  SEINET3696863 Image available Lotus grandiflorus K. Seydel 1987-5-23 30 Riverside San Jacinto Mountains, off Hwy 74, 9.0 miles past Bee Canyon Road exit. Just below McCall park. 1280 Comment
  UCR133651  Lotus hamatus Michael D. Wilcox 2003-5-13 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR97646  Lotus hamatus A. C. Sanders, G. Helmkamp 1997-3-15 19937 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 518 Comment
  SDSU4302  Lotus heermannii bruhns 1965-5-22 112 Riverside Slope around girls' dormitory of Desert Sun School in Idyllwild. Comment
  UC15660  Lotus heermannii H. M. Hall Jun 1901 2022 b Riverside Shingle Valley San Jacinto Mountains 1341 Comment
  UCR158263  Lotus humistratus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30115 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
  UCR187496  Lotus nevadensis Theresa Johnson 2006-8-23 271 Riverside Peninsular Range; San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  UCR213843  Lotus nevadensis Scott D. White, Justin M. Wood 2009-5-21 12858 Riverside San Jacinto Mountains, Garner Valley, near abandoned duck ponds, south of Quinn Flat 1366 Comment
  RSA406172  Lotus nevadensis var. nevadensis M. B. Dunkle 1933-7-20 3702 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  UC80778  Lotus oblongifolius var. oblongifolius A. W. Anthony 1895-7-13 Riverside San Jacinto Mts. 2438 Comment
  UC80779  Lotus oblongifolius var. oblongifolius A. W. Anthony 1895-7-13 Riverside San Jacinto Mts. Comment
  CDA27284  Lotus rigidus T. C. Fuller 1963-4-23 10293 Riverside Sac Jacinto Mountains; Highway 47 to Palm Desert just east of Pinyon Flat. 0 Comment
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Sep 4 2011
  SEINET10484457  Lotus rigidus L. Rose 1935-12-23 Rose 35694 Riverside Above deep canyon, san jacinto mts. 22 Mi s of cathedral city. Rock slopes. 1067 Comment
  CLARK-A1528-487  Lotus scoparius Fred B. Essig 1964-1-11 10 Riverside Corona 640 Comment
  RSA648718  Lotus scoparius Dennice McDougall 1981-5-9 824 Riverside S on Hwy 71, 5 mi. N of Hwy 74. Road margin above Lake Elsinore. Comment
  UCR166171  Lotus scoparius subsp. brevialatus John F. Green 2005-2-10 s.n. Riverside Peninsular Range, E of Temecula, Rancho California, SE of intersection of Mesa Verdugo and Calle Vista, N of Pauba Valley and south of Buck Mesa 430 Comment
  RSA182340  Lotus scoparius var. brevialatus J. D. Olmsted 1962-5-1 3430 Riverside 5 degrees NE slope just west of top of highest Southern California waterfall; 1/4 mi. SE of Falls Plateau, Snow Canyon N of Mt. San Jacinto 945 Comment
  RSA775494  Lotus scoparius var. brevialatus Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4412 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
  SEINET196196 Image available Lotus scoparius var. brevialatus LeRoy Abrams 1941-4-22 13881 Riverside Granite hills Palomar School near Perris Comment
  CLARK-A1528-2809  Lotus strigosus John C. Roos 1937-3-24 1339 Riverside Pigeon Pass Comment
  JOTR32140  Lotus strigosus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2296 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy, braided ephemeral wash flowing northeast (Stop 2) Comment
  RSA778223  Lotus strigosus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy, Naomi Fraga 2011-3-17 776 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. 305 Comment
  UCR116862  Lotus strigosus A. C. Sanders, Steven R. Hill 2001-5-4 24135 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  UCR158505  Lotus strigosus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30038 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
  UCR225617  Lotus strigosus A. C. Sanders, T. B. Salvato 2011-3-29 38840 Riverside Peninsular Range; Edge of Gavilan Hills, Meadowbrook area, between Perris and Lake Elsinore, along Hwy 74 at Wasson Canyon Rd. and to c. 1/2 between Wasson & Hammack Ave. 500 Comment
  UCR49222  Lotus strigosus Steve Boyd 1986-4-2 1601 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  POM98998  Lotus strigosus var. strigosus E. C. Jaeger 1926-3-26 s.n. Riverside Cabazon Comment
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Mar 13 2011
  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
  RSA180473  Lotus unifoliolatus E. W. Lathrop 1960-5-27 5229 Riverside 6 miles west of Murrieta. Comment
  RSA234063  Lotus unifoliolatus R. F. Thorne, E. Lathrop 1969-5-19 37965 Riverside Santa Rosa Plateau: margin of N end of large vernal marsh, Mesa de Colorado, Rancho California. 624 Comment
  UCR79259  Lupinus agardhianus Steve Boyd, Orlando Mistretta 1992-4-22 7018 Riverside Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area. Indian Potrero Trail S from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon 701 Comment
  UCR160076  Lupinus arizonicus Robin Schramm, R. Schoeninger 1998-3-14 16 Riverside Sonoran (Colorado) Desert, 0.5 miles north of I-10 fwy on Eagle Mtn Rd exit 305 Comment
  UCR89579  Lupinus arizonicus George K. Helmkamp 1994-3-8 41 14 Riverside Western Colorado Desert, Indio Hills, junction of Palm Dr. & Varner Rd, below Edom Hill 200 Comment
  HSC85456  Lupinus bicolor Steve Boyd 1986-4-2 1599 Riverside Harford Springs County Park, NW corner of the Gavilan plateau 612 Comment
  RSA502924  Lupinus bicolor Ed LaRue 1989-4-7 s.ns Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd & Mockingbird Canyon Road. 365 Comment
  RSA613859  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 1997-3-5 1334 Riverside Cabazon; 0.5 mi N of I-10 on Millard Rd. 564 Comment
  UCR232788  Lupinus bicolor John F. Green 2008-4-16 0408- 31 Riverside Peninsular Range; Perris-Aguanga Valley, SE of Romoland, powerline route north of McLaughlin Rd. near Palomar Rd. 445 Comment
  UCR92334  Lupinus bicolor Scott D. White, M. D. Wilcox 1995-7-13 3474 Riverside Santa Ana Mtns., Unnamed canyon c. 0.25 mi. SW of Grand Ave., Lake Elsinore, directly downslope from hairpin turn on State Hwy 74. 488 Comment
  SEINET3101907  Lupinus concinnus Marc A. Baker, with Michelle Cloud-Hughes 2011-6-12 17377 Riverside Goff Flat, 5.5km SW of Pyramid Peak Comment
  RSA49180  Lupinus concinnus subsp. orcuttii Philip A. Munz 1949-4-13 13054 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
  CAS-BOT-BC216681  Lupinus excubitus subsp. hallii Carl B. Wolf 1932-5-25 3687 Riverside Gilman Ranch in the foothills of Banning 853 Comment
  RSA413572  Lupinus excubitus var. austromontanus Christopher Davidson 1975-6-16 2815 Riverside 3.8 mi. N of Alandale Station on road R1 from Idyllwild to Banning. 1700 Comment
  UCR117078  Lupinus excubitus var. hallii A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23952 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., along bottom of canyon west of junction of Av. Pina Colada 345 Comment
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Apr 3 2011
  UC1542843  Lupinus formosus D. B. Dunn, Conrad and Kenney 1973-6-15 20769 Riverside gas station on the sw corner at the Jct of Hwy 74 and 71 1432 Comment
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May 24 2012
  UCD107745  Lupinus formosus Richard Bates 1949-5-21 s.n. Riverside road to Pinon Flats from Idyllwild, San Jacinto Mtns. Comment
  RSA413655  Lupinus formosus var. formosus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  POM11285  Lupinus hyacinthinus Philip A. Munz 1922-7-6 5978 Riverside Tahquitz Valley, San Jacinto Mts. 2226 Comment
  POM123543  Lupinus hyacinthinus Philip A. Munz, I. M. Johnston 1924-7-27 8772 Riverside Deer Springs, San Jacinto Mountains. 2500 Comment
  RSA674618  Lupinus longifolius Scott D. White, Sandy Leatherman 2000-5-31 7980 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  RSA87095  Lupinus pallidus F. W. Peirson 1922-4-9 s.n. Riverside Palm Canyon region, head of Coachella Valley Comment
  RSA21756  Lupinus shockleyi Carl B. Wolf 1937-4-6 8428 Riverside Coachella Valley, 2 mi. NE. of Edom 30 Comment
  CLARK-A1045-232  Lupinus sparsiflorus George K. Helmkamp 1978-4-1 Riverside Whitewater junction of Interstate highway 10 and Verbenia Avenue; Whitewater 7.5'Q Comment
  JOTR29606  Lupinus sparsiflorus Andre, Jim 2006-4-26 6763 Riverside Joshua Tree National Park. Long Canyon, approximately 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  RSA543760  Lupinus sparsiflorus subsp. sparsiflorus Steve D. Boyd, Tim S. Ross, Mike Hammitt 1991-5-2 6060 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  RSA414396  Lupinus truncatus E. Crow 1929-4-7 300 Riverside Santa Ana Mountains, Corona Skyline Drive. Comment
  RSA522745  Lupinus truncatus Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3852 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
  SDSU13325  Lupinus truncatus Jeremy Mass, Ryan Jacobson 2000-4-19 Riverside Stone Creek, Santa Margarita Ecological Reserve, along jeep trail going from south-side facility to north-side facility. About 1.5 miles from south-side facility. 183 Comment
  CAS-BOT-BC231416  Lycium andersonii E. A. McGregor 1917-3-18 s.n. Riverside Colorado Desert. 7 mi up Painted Canion [Canyon] Comment
  JOTR31817  Lycium andersonii La Doux, Tasha, Bill Truesdell 2007-11-9 2523 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park; Canyon parallel to and east of Lost Palms Canyon (Stop 5) 651 Comment
  RSA510020  Lycium andersonii B. Pitzer 1988-3-10 659 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
  UCR269171  Lycium brevipes Duncan S. Bell, Evan Meyer 2014-4-2 6520 Riverside Sonoran (Colorado) Desert, Orocopia Mountains Wilderness Area, southern section of range; c. 1 air mile NW of Canyon Spring 422 Comment
  UC884609  Lycium torreyi P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4850 Riverside vicinity Corn Springs; Colorado Desert, Chuckwalla Mountains 426 Comment
  CLARK-A1528-900  Lycopersicon esculentum C. M. Flanagan 1971-5-24 Riverside Highgrove Comment
  UCR115157  Lythrum californicum Mitch Provance 2000-7-2 2259 Riverside San Bernardino Valley Region, Riverside, Santa Ana River wash, c. 0.25 mi north of the Market St. Bridge 244 Comment
  UCR199760  Lythrum californicum Scott D. White, Angelia Carey and Linda Archer 2004-8-5 10687 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Indian Creek and adjacent uplands, from confluence with San Jacinto River to c. 2 miles upstream 610 Comment
  UC1949954  Lythrum hyssopifolia R. F. Thorne, E. W. Lathrop, S. Bickstrom-Sternberg, B. Martin May 1982 55215 Riverside Peninsular Ranges; Santa Ana Mountains region: SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road. Comment
  RSA737262  Machaeranthera asteroides var. asteroides Scott D. White, Justin M. Wood 2008-9-17 12540 Riverside Perris Basin: Romoland, 1/4 mile S of Ethanac Rd, between San Jacinto Rd and Palomar Rd, just S of railroad tracks. 442 Comment
  SD140083  Malacothamnus densiflorus Scott White 1993-4-22 1240 Riverside North Alberhill Ranch, in hills N of Walker Canyon Comment
  RSA433287  Malacothamnus densiflorus var. densiflorus N. C. Cooper 1944-6-4 1317 Riverside Elsinore Mountain; Lookout at top. 1067 Comment
  SDSU7520  Malacothamnus fasciculatus H. Wedberg 1962-5-23 949 Riverside 4.8 miles from Hwy 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
  HSC5995  Malacothrix californica R. A. Eagle 1964-3-28 17 Riverside 5 mi. this side of Palm Springs Comment
  CHSC23880  Malacothrix glabrata T. M. Lane 1975-3-24 7 Riverside 1 mi n of US Interstate 10 at s entrance of Joshua Tree National Monument on Pinto Basin Rd. Mojave Desert. 533 Comment
  POM362322  Malacothrix glabrata Ora M. Clark 1929-3-16 1693 Riverside South of Cabazon. Comment
  RSA510054  Malacothrix glabrata B. Pitzer 1988-3-10 654 Riverside Chuckwalla Mountains. W side of mountains, on gas line road ca. 1.5 mi north of intersection with Red Cloud Mine Road (& wash); ca. 2 miles (airline) S of Highway I-10. (Red Cloud Road. 10 km cell; PH-2N, 3E) 488 Comment
  RSA559923  Malacothrix glabrata Steve Boyd, Carol Boyd, K. A. Boyd 1992-4-19 6912 Riverside N end of the Granite Mtns on sandy bajada along powerline road near jtn of Hwy 177 and Hwy 62. Area of transition between Mojave and Colorado Deserts. Comment
  RSA778136  Malacothrix glabrata J. Andre 2011-2-2 16207 Riverside Coachella Valley; west of Palm Springs along Hwy. 111 (south side) at base of San Jacinto Mts. at Windy Point, approx. 5.5 miles from Jct. with I-10 259 Comment
  SBBG100476  Malacothrix glabrata W. L. Halvorson 1977-3-8 77 -86 Riverside ca. 1 mi S of the S entrance to Joshua Tree Nat Monument Comment
  SD5136  Malacothrix glabrata Ruth B. Randall 1926-2-22 231 Riverside Whitewater Pass Comment
  UCR235923  Malacothrix glabrata Jeremiah George 2012-6-4 s.n. Riverside San Gorgonio Pass, Banning, 0.1 mi. east of intersection of Bobcat Rd. and Turtle Dove Lane 707 Comment
  UCR158329  Malva parviflora A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30071 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
  UCR51560  Malva sylvestris Lyman Benson 1946-4-15 12016 Riverside [Calimesa area] 6 mi. SE of Redlands 610 Comment
  POM285601  Mammillaria dioica Lyman Benson 1952-3-23 14844 Riverside Mountainsides above Cathedral City on the Palms-to-Pines Highway. Mt. Range San Jacinto. 701 Comment
  RSA7198  Mammillaria dioica B. D. Stark 1932-09 7375 Riverside East slope of San Jacinto Mountains on the Palms to Pines road. 1524 Comment
  RSA651081  Marah macrocarpa Diane M. Ramirez 1983-5-15 8 Riverside Mellor Ranch Road, 4 mi S of junction with CA Hwy 243, S of Banning. Comment
  UC28935  Marah macrocarpa W. G. Wright 1892-1 Riverside Colorado Desert Comment
  UCD107542  Marah macrocarpa Raymond A. Evans 1999-3-10 s.n. Riverside North of Palm Springs, canyon west of White Water Canyon. Comment
  RSA0123706  Marina orcuttii Duncan S. Bell, Thomas Stoughton 2016-4-13 9240 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; on the western slopes of Martinez Mountain. 1424 Comment
  CAS-BOT-BC502091  Marina parryi A. C. Sanders; Jim Malusa 2015-9-10 41863 Riverside Sonoran (Colorado) Desert: Bradshaw Trail, 0.85 mi SE of its jct with Summit Rd in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mtns Aerial Gunnery Range 480 Comment
  JOTR38532  Marina parryi Harding, Mitzi, Kipp Callahan 2012-8-27 301 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; off Brooklyn Mine Road near park boundary Comment
  POM306698  Marina parryi Henry J. Ramsey, Henry J. Ramsey 1938-4-26 1684 Riverside West of blythe. Comment
  RSA784963  Marina parryi Duncan S. Bell 2012-3-18 3227 Riverside The Mecca Hills; at the mouth of Box Canyon, on the north side of the Coachella Canal. 14 Comment
  UCR175585  Marina parryi Jim Andre 2006-4-6 6690 Riverside S Mojave Desert, Joshua Tree National Park: along Pinto Basin Rd. in Wilson Canyon 866 Comment
  POM11719  Marsilea vestita P. A. Munz, I. M. Johnston 1922-5-20 5446 Riverside San Jacinto Mountains: 2 mi. below Kenworthy 1402 Comment
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Mar 25 2011
  UCR141230  Marsilea vestita A. C. Sanders, Mike Misenhelter 2004-10-6 28838 Riverside Santa Ana Mtns./Santa Rosa Plateau, hill 2139 at west end of the Mesa De Colorado, private land on the west side of Via Volcano adjacent to the Santa Rosa Plat. Ecol. Reserve 640 Comment
  UCR26314  Marsilea vestita John C. Roos 1937-4-10 2072 Riverside Lake Elsinore 366 Comment
  UCR85594  Marsilea vestita subsp. vestita Julie A. Greene, Steve Boyd, D. Bramlet, H. Flores, H. Ochoterana 1993-7-9 1433 Riverside San Jacinto Valley, San Jacinto Wildlife Area [northwest of Lakeview] 433 Comment
  POM2405  Medicago lupulina D. L. Crawford, I. M. Johnston 1917-6-9 1234 Riverside Santa Ana River near Corona Comment
  RSA522305  Medicago lupulina Steve D. Boyd 1989-7-9 3775 Riverside City of Riverside, 4863 Rubidoux Ave. Comment
  RSA689452  Melica frutescens Scott D. White, Michael Honer 2003-4-9 8996 Riverside About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak '2349.' 549 Comment
  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
  CLARK-A1528-5177  Melica imperfecta John C. Roos 1950-4-22 4752 Riverside Box Springs Mountains 792 Comment
  UCR117083  Melica imperfecta A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24212 Riverside Perris-Aguanga Basin region, Hemet, SE of intersection of State Street and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi. SSW of Hemet Butte 513 Comment
  UCR231734  Melica imperfecta John F. Green 2008-4-23 08- 10 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  RSA500170  Melilotus albus Steve Boyd, Orlando Mistretta, Walter Wisura 1989-5-30 3657 Riverside Vail Lake area, disturbed area at base of dam, head of Temecula Creek Cyn. 457 Comment
  RSA10092  Mentha canadensis F. M. Reed 1903-8-29 308 Riverside River bottom near Chinatown Ford Comment
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Sep 5 2011
  RSA549249  Mentha canadensis A. C. Sanders, O. F. Clarke 1991-10-5 11746 Riverside Santa Ana River bottom, Rancho Jurupa Park, Pleasant Acres Lake. Comment
  JOTR33995  Mentzelia affinis La Doux, Tasha, M. Harding 2010-4-7 2883 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  RSA781389  Mentzelia affinis Duncan S. Bell 2010-5-1 908 Riverside Arica Mountains: northwest of mountain range, approximately 7.2 air miles west of the ghost town of Rice, and approximately 6 air miles northwest of Priests Well. 312 Comment
  UC56511  Mentzelia affinis H. M. Hall may 1901 Riverside West Riverside Comment
  POM14007  Mentzelia involucrata P. A. Munz, D. D. Keck 1922-4-9 4827 Riverside South base of Eagle Mountains 3 miles NE of the 'Hayfields' 213 Comment
  UCR74382  Mentzelia involucrata Theo Glenn 1991-5-2 91- 29 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  UCSB8382  Mentzelia involucrata Gunnerson, Robert 1953-3-22 Riverside 9 miles east of Indio Comment
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Nov 23 2014
  CHSC21886  Mentzelia involucrata var. megalantha Robert A. Schlising 1973-3-18 3072 Riverside Whitewater Canyon, ca 1 mi n of jct with interstate hwy 10; semi-desert slopes. Comment
  POM126264  Mentzelia involucrata var. megalantha Martha Hilend 1927-4-2 s.n. Riverside Box Canyon near Shaver s Well, Colorado Desert. Comment
  SD3161  Mentzelia laevicaulis Frank Stephens Jun 1920 Riverside 3.0 miles east of Morena. Comment
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Nov 19 2011
  POM17935  Mentzelia micrantha P. A. Munz 1923-6-14 7121 Riverside Glen Ivy Trail to Santiago Peak 1067 Comment
  RSA585784  Micropus californicus var. californicus D. L. Banks, S. D. Boyd 1995-5-9 0397 B Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 790 Comment
  CLARK-A1528-2013  Microseris douglasii John C. Roos 1950-3-18 4711 Riverside 457 Comment
  UCR217522  Microseris douglasii subsp. platycarpha Rose Cook, Ana Hernandez 2010-4-15 02 Riverside Perris-Aguanga Basin, South of west end of Lake Matthews. 268m south of Cajalco Road, 460 m southeast of Cajalco Road/ La Sierra Avenue intersection 426 Comment
  UCR112010  Microseris heterocarpa A. C. Sanders, T. B. Salvato 2000-5-25 23407 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  POM363441  Microseris lindleyi Christopher Davidson 1973-4-1 1792 Riverside Agua Tibia Mountains. Highway 71/79 approximately 7 miles from junction of US 395 South. 412 Comment
  RSA528103  Microseris lindleyi Steve Myers 1991-4-15 91 -13 Riverside City of Banning, W of fields Road, N of Interstate 10 & S o the Morongo Indian Reservation. 671 Comment
  RSA666635  Microseris lindleyi A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23876 Riverside Temecula, along east side of pipeline NE of Long Canyon, W of San Diego Aqueduct. 381 Comment
  RSA85115  Microseris lindleyi J. C. Roos 1952-4-30 5610 Riverside Between Camp Haan and Riverside 534 Comment
  SEINET238560  Mimetanthe pilosa George K. Helmkamp 1998-1 4104 Riverside Santa Rosa Mtns.: 3.3 mi S of Hwy 74 along Santa Rosa Mtn Rd. in vicinity of an unnamed spring. 1585 Comment
  SEINET10796647  Mimulus J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12839 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then a few kilometers on Whitewater Canyon Road to where it comes closest to the river. Comment
  RSA0036465  Mimulus aurantiacus var. pubescens J. M. Andre 2012-6-15 30526 Riverside San Jacinto Mountains: Along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest. 1308 Comment
  RSA523840  Mimulus aurantiacus var. pubescens G. H. True 1935-4-1 192 Riverside Among rocks, steep sides of canyon. 396 Comment
  UC886280  Mimulus aurantiacus var. pubescens C. L. Hitchcock 1940-4-12 6044 Riverside 8 mi nw Elsinore 457 Comment
  UCR117327  Mimulus aurantiacus var. pubescens Mitch Provance 1998-6-11 653 Riverside Jurupa Mountains, NW Jurupa Mtns; south of the E extreme of Philadelphia St. 290 Comment
  UCR174553  Mimulus aurantiacus var. puniceus Jennifer H. Jones 2006-6-6 405 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; lower ele. part of San Juan Loop Trail, N of Upper San Juan Campground 518 Comment
  UC886374  Mimulus bigelovii var. bigelovii I. W. Clokey 1935-4-17 4887 Riverside Cottonwood Springs Comment
  UCR22483  Mimulus bigelovii var. bigelovii C. S. Jones 1979-3-27 49 Riverside Sonoran (Colorado) Desert, Near unnamed dirt road approximately 5 mi north of I-10 and 4 mi west of Desert Center 412 Comment
  UC672455  Mimulus brevipes H. L. Mason 1926-4-30 3121 Riverside Temecula to Pala (Pala Grade); Temescal Canyon Comment
  UCR100156  Mimulus brevipes Scott D. White 1994-4-23 2042 Riverside San Bernardino Mtns., Millard Canyon, c. 5 air miles north of Cabazon: U.S. Forest Service Road 2S05.1, c. 1-1.5 mi. south of Millard Canyon Guard Station and junction of roads 2S05.2 & 2S05.1A (= East Branch) 1037 Comment
  HSC85264  Mimulus clevelandii Steve Boyd 1986-4-22 1757 Riverside Stable alluvial benches of Indian Wash just S of Interstate Hwy 15 Comment
  UCR217549  Mimulus clevelandii Diane Menuz, Ana Hernandez 2009-6-1 500 Riverside Palomar Mtns., Agua Tibia Wilderness, 3.5 km south of Hwy. 74, c. 1 km south of Korean retreat camp, along old Woodchuck trail. Steep slope next to trail 841 Comment
  UCR48346  Mimulus clevelandii Steve Boyd 1986-4-22 1757 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  RSA509456  Mimulus diffusus T. P. Krantz 1982-4-22 s.n. Riverside San Jacinto Moutains, Garner Valley, Bonita Vista Road Comment
  RSA557872  Mimulus floribundus Steve Boyd, Orlando Mistretta 1992-4-23 7058 Riverside San Mateo Canyon Wilderness Area, along San Mateo Creek from Riverside Co. line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 243 Comment
  JOTR32395  Mimulus guttatus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2498 Riverside Joshua Tree National Park. Queen Mountains; West side of Barker Dam; Small riparian zone in and along drainage from dam (Stop 5) 1300 Comment
  RSA502520A  Mimulus guttatus Steve Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3575 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  UCR241497  Mimulus guttatus Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 218 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  SBBG66693  Mimulus parishii M. D. Clary 1928-7-15 1060 Riverside Whitewater Cyn 762 Comment
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Jan 15 2010
  JOTR30252  Mimulus pilosus Leary, C. and Leary, Pat 1979-5-6 3032 Riverside Joshua Tree National Park. Barker Dam, Joshua Tree National Monument, T2S R8E sec 4 Comment
  UC27011  Mimulus tilingii H. M. Hall Jul. 1901 2471 Riverside Tauquitz Valley San Jacinto Mountains 2590 Comment
  CAS-BOT-BC388771  Minuartia douglasii Steve Boyd 1986-5-7 1849 Riverside Temescal Canyon: Terrace escarpment between Horsethief Wash and Indian Truck Trail, south of I-15 Comment
  RSA0080321  Minuartia douglasii Sarah J. De Groot, Cheryl Sevilla 2015-3-16 7367 Riverside North fork Mission Creek, ca. 0.85 miles north-northwest of stone house; southwest of Morongo Valley and northwest of Desert Hot Springs. 811 Comment
  RSA561073  Minuartia douglasii Steve Boyd 1993-5-12 7340 Riverside Southern Santa Ana Mountains, Sant Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon. 365 Comment
  RSA757624  Mirabilis bigelovii var. retrorsa LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4334 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  UCR226999  Mirabilis bigelovii var. retrorsa Jim Andre 2011-2-2 16220 Riverside Coachella Valley, west of Palm Springs along Hwy 111 (south side) at base of San Jacinto Mtns at Windy Point 5.5 mi from junction with Hwy I-10 259 Comment
  CAS-BOT-BC434673  Mirabilis laevis var. crassifolia Marian L. Campbell 1921-3-19 50 Riverside Banning Comment
  JEPS61301  Mirabilis laevis var. crassifolia W. L. Jepson 1914-5-25 6073 Riverside San Gorgonio Pass 548 Comment
  RSA614675  Mirabilis laevis var. crassifolia Scott D. White 1993-3-12 1163 Riverside Near Winchester. Comment
  RSA464250  Mirabilis laevis var. crassifolia Anstruther Davidson 1927-05 s.n. Riverside Colorado Desert. Comment
  CAS-BOT-BC434821  Mirabilis laevis var. retrorsa J. H. Thomas 1949-4-24 462 Riverside Between Cabazon and Whitewater near U. S. Highway # 99. Comment
  RSA464327  Mirabilis laevis var. retrorsa M. B. Dunkle 1933-3-3 3022 Riverside Devils Cactus Garden, Colorado Desert 152 Comment
  UC194830  Mirabilis laevis var. retrorsa S. B. Parish 1916-5-18 10847 Riverside Cottonwood Spr., Colorado Desert 792 Comment
  UC851739  Mirabilis laevis var. retrorsa I. W. Clokey 1935-4-17 6602 Riverside Cottonwood Springs Comment
  RSA776090  Mirabilis laevis var. villosa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 822 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 495 Comment
  RSA777680  Mirabilis laevis var. villosa Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 980 Riverside Iron Mountains, on southwest side of mountains in drainage on either side of the road 419 Comment
  RSA777816  Mirabilis laevis var. villosa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 845 Riverside Chuckwalla Mountains Wilderness, off Corn Spring Road. Large wash draining out of large canyon in Chuckwalla Mountains, draining through pavement plain bajadas 396 Comment
  SBBG37507  Mirabilis laevis var. villosa R. N. Muller 1967-4-8 Riverside ca. 2 mi W of St Hwy 62 on Mission Crk Rd, 4.7 mi N of jct between US Hwy 60 and St Hwy 62 579 Comment
  RSA408755  Mohavea confertiflora N. C. Cooper 1949-4-8 3300 Riverside Desert Center. 610 Comment
  RSA516911  Mohavea confertiflora Steve D. Boyd, Orlando Mistretta 1986-3-13 1453 Riverside West side Palen Mts.: NE of Desert Center. Comment
  UC495307  Mohavea confertiflora Philip A. Munz 1932-3-14 11985 Riverside near Deep Canyon (Coachella Valley); Coachella Valley 91 Comment
  JOTR32414  Mollugo cerviana Harding, Mitzi, T. Herskovits, D. Shade 2011-8-11 5 Riverside Joshua Tree National Park. Valley west of Pinto Mountains along Rte 11; Belle Campground; Gravelly flats with granitic boulder outcrops 1154 Comment
  RSA707058  Mollugo cerviana M. Wall 2005-8-21 404 Riverside San Jacinto River, Valle Vista east of Hemet on alluvial benches north of Highway 74 at Schultz Avenue. 549 Comment
  SD146222  Mollugo verticillata A. C. Sanders, D. Bramlet, et al. 1999-10-15 23178 Riverside San Jacinto Valley: Mystic Lake, 1.4 mile southeast of Jackrabbit Trail on Gilman Springs Road, 1.4 mile south of Eden Hot Springs. 433 Comment
  UC1995359  Monardella australis subsp. australis Elizabeth McClintock 1939-9-1 Riverside trail to Round Valley; San Jacinto Mts. Comment
  SD245396  Monardella lanceolata 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
  RSA408710  Monardella linoides subsp. linoides N. C. Cooper 1949-6-29 4286 Riverside Palms to Pines Hwy, San Jacinto Mt 915 Comment
  RSA761230  Monardella nana Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 725 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UC1499877  Monardella nana Elizabeth McClintock 1940-9-1 Riverside San Jacinto Mts. trail between Tahquitz Valley and Hidden Lake Comment
  UC1499932  Monardella nana E. McClintock, H. Lewis 1941-6-29 78 Riverside Santa Rosa Mt. road, 2.3 mi beyond canyon where stream crosses road Comment
  UC1929645  Monardella nana Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8636 Riverside SAN JACINTO MTS: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e. southwest terminus of Double View Dr. west to creek. Comment
  RSA750395  Monardella nana subsp. arida Elizabeth McClintock 1940-7-21 31 Riverside 1/2 mile above Santa Rosa Springs, on Santa Rosa Mt. Road. Comment
  RSA750414  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 57 Riverside Road to Santa Rosa Mt. 0.5 miles above Pines to Palms Highway. Comment
  SEINET4151981 Image available Monardella nana subsp. arida Elizabeth McClintock, Harlan Lewis 1941-6-29 78 Riverside Peninsular Range; Santa Rosa Mtns.; road up Santa Rosa Mountain, 2.3 miles beyond canyon where stream crosses road 2165 Comment
  SEINET10582418  Monardella nana subsp. arida A. Graff 1993-6-24 Graff 56 Riverside San Bernadino National Forest, Santa Rosa Mtn. 2.05 miles down Santa Rosa Mtn. Rd. (USNFS Rd. 7S02) from Santa Rosa Camp, on the right shoulder (heading back towards Hwy. 74). T7S,R5E,S29. 1 small clump at the bottom of a steep bank. Comment
  POM229026  Monardella nana subsp. tenuiflora P. A. Munz 1937-5-31 15114 Riverside Head of Coyote canyon 1067 Comment
  RSA737703  Monardella nana subsp. tenuiflora C. Epling, Wm. Robinson 1935-6-30 s.n. Riverside Fuller s Mill Camp. Comment
  UC279710  Monardella nana subsp. tenuiflora Edmund C. Jaeger 1925-8-1 Riverside near Gregg's Ranch; San Jacinto Mts. 1280 Comment
  UCR221492  Monardella nana subsp. tenuiflora Elizabeth McClintock, D. Weiner 1941-7-11 96 Riverside Peninsular Range; San Jacinto Mtns., Banning-Idyllwild road, [near Pine Cove] 2 miles beyond Stone Creek 1890 Comment
  CAS-BOT-BC349795  Monoptilon bellioides J. H. Thomas 1949-2-28 56 Riverside Southern part of Palm Springs Comment
  CAS-BOT-BC349797  Monoptilon bellioides John Thomas Howell 1928-3-25 3545 Riverside Painted Canon [Canyon], Colorado Desert Comment
  CAS-BOT-BC349804  Monoptilon bellioides Marcus E. Jones 1906-4-27 s.n. Riverside Indio, Colo. Desert Comment
  POM363581  Monoptilon bellioides N. C. Cooper 1949-4-8 3236 Riverside Mecca Pass east of Indio. 610 Comment
  RSA703481  Monoptilon bellioides LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1424 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  UCR163925  Monoptilon bellioides A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29144 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  CAS-BOT-BC444628  Montia chamissoi H. M. Hall 1901-7-1 2362 Riverside San Jacinto Mountains. In meadows or along creeks of Tamarack Valley 2743 Comment
  RSA0054834  Montia perfoliata Keith E. Hoffmaster 1937-6-6 778 Riverside San Jacinto Mts. Comment
  LA10011  Muhlenbergia asperifolia Louis C. Wheeler; 1933-12-2 2313 Riverside US 99, 2 mi. NW Whitewater Station 365 Comment
  UCR106351  Muhlenbergia asperifolia John Wear, N. Moorhatch 1996-9-20 s.n. Riverside San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  JOTR36006  Muhlenbergia microsperma Harding, Mitzi, T. Herskovits 2012-3-16 214 Riverside Joshua Tree National Park. Eagle Mountains, Cholla Wash Comment
  RSA613274  Muhlenbergia microsperma L. C. Wheeler 1976-3-30 s.n. Riverside San Jacinto Mountains: Snow Canyon, foot of Mount San Jacinto. 579 Comment
  RSA787204  Muilla maritima J. D. Olmsted 1962-5-1 428 Riverside 5 degrees NE slope just west of top of highest Southern California waterfall; 1/4 mi. SE of Falls Plateau, Snow Canyon N of Mt. San Jacinto 945 Comment
  UCR89793  Muilla maritima Scott D. White 1993-5-27 1414 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  CLARK-A1528-3868  Myosurus minimus subsp. apus John C. Roos 1952-4-9 5515 Riverside Edgemont 487 Comment
  UCR85643  Myosurus minimus subsp. apus A. C. Sanders 1993-4-5 13691 Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74 460 Comment
  SDSU3601  Myriopteris newberryi James C. Dice with Tu Chung 1987-10-19 738 A Riverside At head of unnamed shallow side canyon, north side of Temecula Gorge, overlooking Santa Margarita River, ca. 0.4 km ENE of Field Station site and just ENE of weather station. T8S, R3W, northwest 1/4 of northwest 1/4 of section 26. 329 Comment
  UC217896  Nama P. A. Munz, D. Keck 1922-4-8 4740 Riverside Mecca , Mecca (Colorado Desert) -30 Comment
  UCSB18501  Nama demissa MacLean, Steve 1963-5-5 Riverside State Highway 74; 10.2 miles SW of Palm Desert 883 Comment
  RSA80982  Nama demissa var. deserti G. R. Campbell 1952-4-15 18368 Riverside Road leading from Hwy 60 to 29 Palms, at jct to Desert Hot Springs. 762 Comment
  UC68714  Nama pusilla H. M. Hall May, 1905 5963 Riverside near Mule Springs (Colorado Desert); , near Mule Springs Comment
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Sep 11 2011
  RSA736240  Nassella lepida Scott D. White, Jonathan Campbell 2008-4-18 11898 Riverside Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan Property, Alberhill area. 274 Comment
  RSA388319  Navarretia atractyloides Steve Boyd 1986-5-7 1848 Riverside Temescal Canyon: Edge of Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. Comment
  UCR20987  Navarretia fossalis A. C. Sanders, Steve Boyd 1980-5-19 1481 Riverside San Jacinto Valley, San Jacinto River c. 1.5 miles west of Lakeview on the Ramona Expressway 427 Comment
  UCR266253  Navarretia fossalis D. E. Bramlet 2006-5-25 4002 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, 24 m east of the San Jacinto River channel and 37 m north of Nuevo Rd. bridge 430 Comment
  UCR85584  Navarretia fossalis Julie A. Greene 1993-4-30 1246 Riverside San Jacinto Valley, San Jacinto Wildlife Area, south of visitors center, by waterfowl kiosk, east of Davis Road 433 Comment
  RSA234039  Navarretia prostrata R. F. Thorne, Lathorp 1969-5-12 37929 Riverside Santa Ana Mountains, Santa Rosa Plateau, Mesa de Colorado, Rancho California 624 Comment
  UCR25988A  Nemacladus glanduliferus John C. Roos 1947-3-15 3354 A Riverside Sonoran (Colorado) Desert, Santa Rosa Mountains, mouth of Deep Canyon at foot of mtns. 366 Comment
  SEINET10458415  Nemacladus longiflorus Jepson 1901-5-17 JEPSON 1553 A Riverside Temecula River Comment
  UC1595630  Nemacladus ramosissimus Steve Boyd and Dave Bramlet 1991-5-13 6251 Riverside ese of Winchester (n side of Domenigoni-Diamond Valleys, ridge top s of s-end of Warren Rd, vicinity of ultramafic outcrop); Domenigoni Hills 548 Comment
  RSA421345  Nemophila menziesii M. M. Thompson 1947-6-9 c 2071 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA496740  Nemophila menziesii Steve Myers 1988-2-4 s.n. Riverside Northgate Estates development, immediately NW of Canyon Lake. 488 Comment
  CLARK-A1528-549  Nemophila pedunculata C. M. Flanagan 1973-4-26 OO 311 Riverside Morongo Indian Reservation 914 Comment
  CLARK-A1528-885  Nicotiana bigelovii Bruce A. Beebe 1970-5-16 41 Riverside Lakeview Mountains 670 Comment
  RSA544378  Nicotiana bigelovii var. wallacei Steve D. Boyd, Tim S. Ross 1991-6-14 6393 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  UC68732  Nicotiana clevelandii H. M. Hall 1905-4-29 5967 Riverside McCoy Wash; Colorado Desert 91 Comment
  JOTR30058  Nicotiana obtusifolia La Doux, Tasha, Mike Bell, Katy Mathews, Alice Miller, Amber Holt 2007-5-23 1690 Riverside Joshua Tree National Park. Stop #1 = Near Geology Tour rd., N of Malapai Hill 1267 Comment
  RSA0018750  Nicotiana obtusifolia F. W. Peirson 1920-2-15 s.n. Riverside Murray Canyon near Palm Springs Comment
  RSA0018762  Nicotiana obtusifolia Robert F. Thorne 1966-10-15 41787 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  UC129476  Nicotiana quadrivalvis H. M. Hall 1907-7-2 8007 Riverside vicinity Riverside (Santa Ana River); Santa Ana River 274 Comment
  UCR125291  Nicotiana quadrivalvis A. C. Sanders 2002-11-21 25648 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  UCR139414  Nicotiana quadrivalvis P. A. Munz, R. D. Harwood 1920-5-5 3833 Riverside San Bernardino Valley Region, near Wineville [Mira Loma] 457 Comment
  UCR23749  Nicotiana quadrivalvis John C. Roos, L. Roos 1952-6-21 5782 Riverside Pass between Reche Canyon and Morneo Valley, 4 mi NW of Moreno. 686 Comment
  PASA2135  Nicotiana trigonophylla 1928-3-3 Riverside Hidden Springs, Colorado Desert Comment
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Aug 27 2016
  UC844076  Nolina bigelovii Carl B. Wolf 1932-10-13 4315 Riverside 1/2 mi before reaching Cottonwood Springs; Colorado Desert, Eagle Mts. 289 Comment
  CAS-BOT-BC131881  Nolina parryi C. B. Wolf 1931-5-11 1949 Riverside Near Pipe Creek, above Hemet Valley, San Jacinto Mts. 1676 Comment
  UCR168371  Nolina parryi subsp. wolfii P. H. Raven 1959-5-18 14246 Riverside Peninsular Ranges; San Jacinto Mountains, 0.9 miles south of Mountain Center on road [Hwy 74] to Aguanga 1433 Comment
  HSC962  Notholaena californica W. R. Supernaugh, Jr. 1964-12-24 26 Riverside Agua Caliente Indian Reservation. Andreas Canyon Comment
  UC218652  Notholaena californica P. A. Munz and I. M. Johnston 1922-5-21 5551 Riverside 4 mi ne San Jacinto 457 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
  RSA703748  Oligomeris linifolia LeRoy Gross 2005-3-3 1567 Riverside Palen Mountains, south side. Near end of old prospect road. [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  UCR20777  Oligomeris linifolia A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1321 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
  UCR85086  Oligomeris linifolia A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16026 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  POM171281  Olneya tesota I. M. Johnston 1930-6-15 3786 Riverside Southeastern end of Eagle Mts. Comment
  POM48449  Olneya tesota Philip A. Munz, D. D. Keck 1925-3-7 9345 Riverside Painted Canyon, Mecca. Comment
  SFV4437  Olneya tesota D. S. Verity, J. Turner, F. M. Ball 1964-2-15 s. n. Riverside East side of Salton Sea near Mecca Beach. About 6.5 miles north of Imperial County line. Comment
  CAS-BOT-BC349928  Oncosiphon piluliferum A. C. Sanders; T. B. Salvato 2011-3-28 38812 Riverside Peninsular Range; Perris-Aguanga Basin Region: Menifee Valley, between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-215 Fwy 434 Comment
  SD212504  Oncosiphon piluliferum A. C. Sanders, T. B. Salvato et al 2006-5-24 32540 Riverside Hills between Murrieta and Menifee Valley, West of I-215, South of Bundy Canyon/Scott Road and North of Clinton Keith Road. 548 Comment
  UCR235512  Oncosiphon piluliferum R. E. Riefner Jr. 2011-5-31 11- 61 Riverside French Valley, immediately northeast of Hwy 79 and the intersection with Algarve Avenue 415 Comment
  SDSU13014  Opuntia X vaseyi Michael G. Simpson with Claudia A. Luke 1999-10-27 2017 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/4 mile from Southside Facilities. 152 Comment
  JOTR35053  Opuntia basilaris var. basilaris La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3505 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
  CAS-BOT-BC56835  Opuntia engelmannii F. R. Fosberg 1932-7-12 8607 Riverside Field redacted by CAS, contact the data manager for more information Comment
  RSA296174  Opuntia engelmannii var. engelmannii B. A. Prigge 1980-8-5 3859 Riverside Whitewater Canyon, 0.5 miles N of trout farm. 701 Comment
  SEINET224185  Opuntia littoralis var. martiniana Lyman Benson, Robert Benson 1955-12-6 15618 Riverside Hills 3 miles southeast of Redlands. Crystal/springs 488 Comment
  SEINET2449323  Opuntia phaeacantha S. White, et al. 1996-7-2 4267 Riverside San Jacinto / Santa Rosa Mtns., Pinyon Flat Area: N of Hwy 74, ca 10 road miles E of jct. w/Hwy 371.; 0 1250 Comment
  UCSB24788  Opuntia polyacantha var. erinacea Rieser, D. 1966-5-15 Riverside Pinyon Flats Campground on south side of road, 9.0 miles southeast from junction with road to Anza. Comment
  CAS-BOT-BC56908  Opuntia polyacantha var. hystricina C. B. Wolf; P. C. Everett 1938-9-29 19101 Riverside Field redacted by CAS, contact the data manager for more information Comment
  RSA65623  Opuntia ramosissima F. W. Peirson 1928-4-24 7906 Riverside Below Cottonwood Springs, Eagle Mountains. Northern Colorado Desert. Comment
  UCR85525  Orcuttia californica Scott D. White 1993-4-25 1274 Riverside Peninsular Range; Perris-Aguanga Basin Region, Vernal Pool ('Bramlet's') on California Ave. between intersection of Stetson and RR crossing 450 Comment
  RSA0077936  Orobanche bulbosa Steve Boyd, C. Boyd, K. Boyd, Richard Noyes, Laurel Arnseth 1988-5-28 2301 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. 1500 Comment
  RSA0076199  Orobanche californica subsp. feudgei Philip A. Munz 1937-5-31 15121 Riverside Anza Tablet, head of Coyote Canyon. 1066 Comment
  UCR103999  Orobanche cooperi George K. Helmkamp 1998-4-4 3144 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  UCSB13106  Orobanche cooperi Dearing, Hugh; Dearing, Margaret 1942-4-4 Riverside So.of Vidal, East Colorado desert Comment
  UC64173  Oxalis albicans subsp. californica H. M. Hall 1897-3-20 403 Riverside Gavilan Comment
  UCR256885  Oxytheca caryophylloides G. D. Wallace 2003-7-8 4049 Riverside Peninsular Range; San Jacinto Mountains, Hidden Lake 2652 Comment
  CAS-BOT-BC7024  Oxytheca emarginata Harvey Monroe Hall 1901-7-1 2331 Riverside San Jacinto Mountains, near Tauquitz 2194 Comment
  RSA506847  Oxytheca trilobata James L. Reveal, Barbara J. Ertter 1976-6-30 4567 Riverside Santa Rosa Mountains, along the dirt road to Santa Rosa Mountain, 4 miles south of Hwy 74. 1738 Comment
  CAS-BOT-BC327940  Palafoxia arida J. Von Loh 1977-10-30 3307 A Riverside Ford Dry Lake Comment
  RSA784948  Palafoxia arida Duncan S. Bell 2012-2-12 3126 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  UCD134905  Palafoxia arida Shirley C. Tucker 1957-3-10 3956 Riverside desert 4 miles north of Needles. Comment
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Mar 23 2014
  JEPS34756  Palafoxia arida var. arida W. L. Jepson Oct 22 1912-Nov 7 1912 5237 Riverside Riverside Mts. 45 Comment
  RSA134877  Palafoxia arida var. arida L. S. Rose 1959-1-8 59002 Riverside La Tuna Canyon, along La Tuna Canyon Road.La Quinta. 15 Comment
  RSA296138  Palafoxia arida var. arida B. A. Prigge 1980-8-5 3881 Riverside Whitewater canyon: 1.1 miles N of Interstate 10. 473 Comment
  UC565486  Palafoxia arida var. arida H. L. Mason 1928-3-10 4189 Riverside Whitewater River Comment
  UCR260887  Palafoxia arida var. arida A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41426 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  CAS-BOT-BC253902  Panicum urvilleanum Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater 304 Comment
  UCR281269  Papaver californicum Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-14 417- 27 Riverside Peninsular Ranges, Sedco Hills (east end), along transmission road, from 0.2 mi W of Beverly St. to the vicinity of intersection with Green Meadow Way 592 Comment
  UCR37456  Papaver californicum Steve Boyd 1981-5-15 s.n. Riverside Peninsular Range, Gavilan Hills, confluence of the major drainage off the west slope of Estelle Mountain with Temescal Wash 320 Comment
  POM2130  Parietaria hespera I. M. Johnston 1917-4-4 991 Riverside Palm Canyon. 457 Comment
  UCR5825  Parietaria hespera var. californica O. F. Clarke 1952-4-17 s.n. Riverside Citrus Experiment Station [UC Riverside campus] 396 Comment
  RSA448022  Parietaria hespera var. hespera E. S. Spalding 1926-2-14 15046 Riverside Palm Canon. Mesophytic habitat. Comment
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Sep 10 2011
  UCR272649  Parkinsonia florida Cheryl Sevilla, Sarah J. De Groot, Forrest D. Freund 2015-4-1 072 Riverside Sonoran (Colorado) Desert, Coachella Valley, Santa Rosa Mountains, suth of La Quinta, north of Devil Canyon, 2.5 miles west of Lake Cahuilla 136 Comment
  POM308539  Pectis papposa Henry J. Ramsey, Henry J. Ramsey 1939-11-28 3156 Riverside 20 miles E of Indio. Comment
  UCR17641  Pectis papposa Hap Ritter, Paul Mack 1976-10-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, sand dunes southeast of Hopkins Well and west of Wiley's Well Road 152 Comment
  UCR272674  Pectis papposa Sarah J. De Groot, Duncan S. Bell 2015-9-21 7585 Riverside Peninsular Range; Santa Rosa Mountains, SSW of Palm Desert, along Carrizo Road just north of Hwy 74 1053 Comment
  CAS-BOT-BC169718  Pectocarya anisocarpa C. F. Baker 1904-4-5 4139 Riverside Hemet Comment
  RSA747768  Pectocarya heterocarpa Scott D. White, Justin M. Wood, Paul Kielhold 2009-4-21 12592 Riverside Ridgeline E of Whitewater Canyon, +/- 2 miles N of town of White Water (Interstate 10), near Super Creek Quarry 640 Comment
  UCD80955  Pectocarya heterocarpa Chuck Hughes 2009-3-23 60 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 219 Comment
  RSA691961  Pectocarya linearis Scott D. White, Michael Honer 2003-4-9 8990 Riverside About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak 2349. 549 Comment
  RSA716430  Pectocarya linearis Scott D. White 2006-4-27 11316 Riverside Santa Rosa Hills, S. of Hemet. 549 Comment
  UCR126438  Pectocarya linearis T. B. Salvato, A. C. Sanders, Mitch Provance et al. 2000-4-30 65 Riverside Riverside, Box Springs Mtns. along road to radio towers from reserve parking lot 854 Comment
  UCR239797  Pectocarya linearis O. F. Clarke 2004-3-24 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River near the old Salt Lake Railroad bridge 215 Comment
  HSC79098  Pectocarya linearis subsp. ferocula James Henrickson 1973-3-18 8596 Riverside 16 (air) mi. E of Temecula, 2.9 mi. E of Aguanga along Hwy. 71 823 Comment
  RSA524232  Pectocarya penicillata Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4026 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA678419  Pectocarya penicillata Michael Wall 2003-4-15 267 Riverside Lamb Canyon west of Beaumont, off Hwy. 79, 5.2 mi. south jct. with 10 Fwy up dirt road at turnout along west side of Hwy. 602 Comment
  UCR183178  Pectocarya penicillata Mitch Provance 2003-5-5 4407 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  RSA303585  Pectocarya recurvata J. R. Shevock 1972-3-5 1369 Riverside Jeep Road, Anza to Borrego Springs. 305 Comment
  RSA682843  Pectocarya recurvata Scott D. White 2003-3-23 8834 Riverside Santa Rosa Mountains: Desert slope; Hwy 74 near Carrizo Creek crossing. 610 Comment
  SD70779  Pectocarya recurvata D. B. Dunn, Shogo, Schroeder, Bruskin and Folsom 1948-3-13 3723 Riverside Indio Hills, Colorado Desert, near Pushawalla. Comment
  UC1979662  Pedicularis densiflora Darin L. Banks, Steve Boyd 1995-3-15 60 Riverside NW Palomar Mtns., Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., DorlandMtn. area. Comment
  CAS-BOT-BC71400  Pellaea mucronata Munz; Harwood 1920-2-28 3231 Riverside 2 mi. S.E. of Corona 274 Comment
  JOTR30842  Pellaea mucronata var. californica Andre, Jim, Tasha La Doux 2008-9-16 10703 Riverside Joshua Tree National Park. JTNP; SE end of Splitrock Picnic Area. Queen Mountain USGS 7.5 min Quad. Near 34 00.486' N 116 03.288' W 1289 Comment
  POM857  Pellaea mucronata var. mucronata I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon 762 Comment
  UCR9268  Pennisetum clandestinum O. F. Clarke 1969-11-10 s.n. Riverside University of California, Riverside Comment
  UCD89445  Pennisetum clandestinum Marvin Miller 1956-5-1 s.n. Riverside Riverside County. Comment
  SD119895  Penstemon X parishii Louis B. Ziegler 1970-6-28 411 Riverside San jacinto Mountains - Thomas Mountain on north sloping ridge 1951 Comment
  RSA750550  Penstemon californicus Scott D. White, Justin M. Wood 2009-5-21 12872 Riverside San Jacinto Mountains: Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  SEINET10299459  Penstemon clevelandii Melissa Luckow, Rhonda Riggins 1982-4-15 822 Riverside 1.5 mi SE of Pinyon Crest Rd, 9.6 mi NW of junction Hwy 74 and 371 in Paradise Valley along Hwy 74 1158 Comment
  CAS-BOT-BC265282  Penstemon clevelandii subsp. connatus H. M. Hall 1899-5-1 1100 Riverside Van de Venter's 1402 Comment
  NY601200  Penstemon clevelandii var. mohavensis A. M. Alexander 1941-5-4 2120 Riverside Barker Dam 1322.8 Comment
  UCR25029  Penstemon grinnellii A. C. Sanders 1980-8-21 1772 Riverside San Jacinto Mtns, Along Devil's Slide Trail above Idyllwild 2256 Comment
  UCR213835  Penstemon heterophyllus var. australis Scott D. White, Justin M. Wood 2009-5-21 12849 Riverside San Jacinto Mountains, McMullen Flat area, 0.35 north on Valley Hi Drive, from intersection with Twin Pines Road 1201 Comment
  POM4523  Penstemon labrosus H. M. Hall 1901-07 2506 Riverside In the vicinity of Strawberry Valley. 1585 Comment
  RSA607430  Penstemon labrosus Claire R. Wheeler 1931-3-3 179 Riverside Strawberry Valley. Comment
  CAS-BOT-BC245644  Penstemon pseudospectabilis Edmund C. Jaeger 1940-11-12 s.n. Riverside McKinley Spring, north side of Chuckawalla Mts. 853 Comment
  RSA0014855  Penstemon rostriflorus Philip A. Munz, I. M. Johnston 1924-7-27 8775 Riverside Dark Canyon, San Jacinto Mts. 2439 Comment
  RSA401810  Penstemon spectabilis Jack Rempel, Miller 1934-7-17 20188 Riverside San Jacinto. Comment
  NY661177  Penstemon spectabilis var. spectabilis R. M. Straw 1953-6-23 471 Riverside 1/4 mile north of Fulmor Lake, San Jacinto Mountains 1219.2 Comment
  CAS-BOT-BC239693  Penstemon thurberi Edmund C. Jaeger 1927-5-12 s.n. Riverside Near Smith Canon [Canyon], Keyes Ranch 1280 Comment
  UC1531133  Pentachaeta aurea Robert F. Thorne, M. Z. Thorne, and W. Wisura 1978-5-21 52000 Riverside Mesa de Colorado Santa Rosa Plateau (vernal pools and marshes) 609 Comment
  UCR262255  Pentachaeta aurea T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3731 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
  UCSB12247  Peritoma arborea Creighton, B. 1961-5-7 Riverside 9 miles north Palm Springs, on State Highway 111, in the Coachella Valley 152 Comment
  CAS-BOT-BC77490  Peritoma arborea var. angustata John Thomas Howell 1928-1-30 3304 Riverside Two miles E. of Shavers Well, Colorado Desert Comment
  SD216467  Peritoma arborea var. angustata Carol R. Annable, Lee Baron 1995-3-11 2268 Riverside Cactus City rest stop on Interstate 10. Comment
  CAS-BOT-BC77530  Peritoma arborea var. arborea Elizabeth McClintock 1964-4-8 s.n. Riverside Snow Canyon, east side of Mt. San Jacinto Comment
  CAS-BOT-BC355983  Perityle emoryi D. A. Johansen; J. A. Ewan 1932-4-10 7059 Riverside Mouth of Tahquitz Canyon, western Colorado Desert Comment
  CAS-BOT-BC355995  Perityle emoryi Geo. B. Grant 1906-4-20 6784 Riverside Palm Springs Comment
  CAS-BOT-BC355997  Perityle emoryi Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mt. San Jacinto Comment
  CLARK-A1528-4973  Perityle emoryi John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  RSA727863  Perityle emoryi Naomi Fraga, Lisa Rojas 2005-2-10 1360 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCR101572  Perityle emoryi Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  UCR280614  Perityle emoryi Mitch Provance, Jeremiah George, Matt K. Beyers 2017-4-4 417- 01 Riverside Gavilan Hills, Ridge west of dirt road portion of Lake St., 0.8 miles N of Hwy. 15 at Alberhill. 500 Comment
  UCR72227  Perityle emoryi Theo Glenn 1991-5-30 91- 116 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
  CAS-BOT-BC413483  Persicaria amphibia I. M. Johnston 1918-5-30 2027 Riverside Lee Lake, Temescal Canon [Canyon] 335 Comment
  CAS-BOT-BC419046  Persicaria lapathifolia Philip A. Munz 1935-10-21 14653 Riverside Santa Ana River below Rincon Comment
  OBI78428  Persicaria punctata Steve Boyd 1985-7-23 1014 Riverside De Luz Rd, 8 mi W of Rancho California; In Sandia Crk 305 Comment
  SDSU8047  Petalonyx thurberi Gerald Collier 1951-5-27 Riverside State Hwy 74 about 4 miles west of junction with state Hwy 111. Comment
  SEINET13945011 Image available Petroselinum crispum A. C. Sanders 1922-1 25059 Riverside San Bernardino/Santa Ana River Valley Region: Riverside cultivated plants in yard at 422 Campus View Dr. Riverside East 7.5' Q.: 33 deg. 58.5' N, 117 deg. 19' W. T2S R4W SEC 20, S/2. Alt 341 m/1120 ft. 341 Comment
  JEPS12902  Petunia parviflora P. A. Munz and I. M. Johnston 1922-5-5 5156 Riverside near Moreno (Mystic Lake); Mystic Lake Comment
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Mar 20 2011
  RSA653584  Petunia parviflora A. C. Sanders, David E. Bramlet, Mihai Costea, T. Salvato 1999-10-15 23174 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr. [UTM 10km cell: 11S MH-9E, 4N. Mt. Rudolph] 433 Comment
  UCR207529  Petunia parviflora O. F. Clarke 2007-4-28 s.n. Riverside Peninsular Range; San Jacinto Valley, San Jacinto Wildlife Area 442 Comment
  UCR92284  Petunia parviflora Scott D. White, Steve Ogg 1994-10-17 2462 .1 Riverside Temecula Valley, Murrieta Creek at Winchester Road bridge (Banana Avenue) 317 Comment
  OBI45335  Petunia violacea A. C. Sanders 1987-4-7 7046 Riverside Riverside, vacant lot on the N side of Spruce St between Rustin and Cyn Crest 305 Comment
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Apr 5 2016
  CAS-BOT-BC326736  Peucephyllum schottii F. O. Ballou 1926-2-27 s.n. Riverside Painted Canyon Comment
  PASA1350  Peucephyllum schottii Frank W. Peirson 1930-5-29 Riverside Painted Canyon Comment
  UCR41808  Peucephyllum schottii A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6062 Riverside Sonoran (Colorado) Desert, Graham Pass, between Chuckwalla Mtns & Little Chuckwalla Mtns. 503 Comment
  RSA928  Peucephyllum schottii J. T. Howell 1927-8-1 531 Riverside Mission Creek, Colorado Desert. 610 Comment
  SEINET7907969  Phacelia D. A. Johnson 2005-1 Riverside 1 mi E of CA 74 on River Rd, between Perris and Lake Elsinore 488 Comment
  POM12033  Phacelia ambigua Mary F. Spencer 1920-3-14 1581 Riverside Desert sand, Colorado Desert. -60 Comment
  POM182078  Phacelia ambigua P. A. Munz 1932-3-14 11974 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  RSA690984  Phacelia ambigua Scott D. White, Michael Honer 2003-5-14 9304 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  RSA74175  Phacelia ambigua F. W. Peirson 1922-4-9 4126 Riverside Palm Canyon Region, near Palm Springs. Comment
  IRVC26830  Phacelia brachyloba S. D. White 1997-5-18 5169 Riverside Northern Escarpment S of Banning: Along Hwy 243, ca. 5 road mi SE of Banning and 5 road mi NW of Vista Grande. San Jacinto Mtns 1098 Comment
  JOTR35925  Phacelia campanularia subsp. campanularia De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6873 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 905 Comment
  UCR244398  Phacelia campanularia subsp. vasiformis Jim Andre 2012-4-16 20979 Riverside Southern Mojave Desert, Joshua Tree National Park; along Cottonwood Springs Rd [=Pinto Basin Rd.], c. 6 mi. south of north entrance at Twin Tanks parking area 1197 Comment
  UCR121091  Phacelia cicutaria var. hispida A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24977 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR214308  Phacelia cicutaria var. hispida A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38379 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
  UCR97708  Phacelia cicutaria var. hispida Scott D. White 1997-2-28 4716 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  RSA614227  Phacelia ciliata D. Bramlet 1993-3-30 2303 Riverside South Cajalco Benc. the site is located some 61m south of Cajalco Road, at a location 3.2km east of the intersection of Cajalco Road and Sierra Ave. The site is 152m E of the intersection with the Old Monument Peak access road. 451 Comment
  SJSU11243  Phacelia crenulata R. C. McGehee 1970-4-15 195 Riverside Wileys Well 26 mi SW of blythe Comment
  CAS-BOT-BC133966  Phacelia crenulata var. ambigua F. O. Ballou 1926-2-27 s.n. Riverside Painted Canon Comment
  CDA40390  Phacelia crenulata var. ambigua T. C. Fuller 1963-4-23 10283 Riverside Box Canyon Wash, Mecca-Blythe Road (Highway 195), 11.8 miles northeast of Mecca. 0 Comment
  JOTR34085  Phacelia cryptantha La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2979 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  UC64055  Phacelia curvipes H. M. Hall May 1899 1170 Riverside El Toro Peak San Jacinto Mountains 2133 Comment
  POM118674  Phacelia distans Marcus E. Jones 1924-7-22 s.n. Riverside Desert Center. Comment
  RSA714422  Phacelia distans A. C. Sanders 2004-5-12 27861 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  UCR202041  Phacelia distans Denise Woodard, Gilbert Goodlet 1997-3-11 s.n. Riverside Sonoran (Colorado) Desert, base of Santa Rosa Mtns. at mouth of Cathedral Canyon, border between Rancho Mirage and Cathedral City, site of proposed Ritz-Carlton Rancho Mirage/ Cathedral Canyon Golf Course 305 Comment
  RSA764119  Phacelia imbricata subsp. patula L. M. Prince, Duncan S. Bell 2009-6-17 582 Riverside Cleveland National Forest Comment
  OBI20177  Phacelia minor David J. Keil 1979-3-18 12968 Riverside Alberthill Jctn along Hwy 71 366 Comment
  SD4090  Phacelia minor Fidella G. Woodcock 1926-3-15 Riverside Palm Springs (mak 7/07) Comment
  UC1929329  Phacelia minor Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10498 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UCR113171  Phacelia minor A. C. Sanders 1998-3-11 21667 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near east end of hills 518 Comment
  UCR29001  Phacelia minor M. G. McLeod, David J. Keil 1977-3-26 12002 Riverside 0.2 mi NW of Prado Dam on California Hwy 71 183 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
  UCR50291  Phacelia parryi B. G. Pitzer, H. P. Hall, J. L. Hall 1987-5-23 0564 Riverside San Bernardino Mtns., Whitewater Canyon, from N edge of Fish Hatchery to c. 0.5 mi north of it; c. 5.5 mi north of I-10 on Whitewater Cyn Rd. 732 Comment
  UC697613  Phacelia ramosissima var. latifolia Kay H. Beach 1942-10-22 1657 Riverside roadside 4 mi nw Corona City limits (on road to Chino) Comment
  SEINET954243  Phalaris aquatica Mitch Provance, Brett Provance 2005-1 5700 Riverside San Bernardino Valley; Riverside (Arlington Heights area), SE corner of Cleveland Ave. and Irvine St. (inc. about 50 yards E on Cleveland). 277 Comment
  RSA674591  Phalaris lemmonii Scott D. White 2000-5-5 7775 Riverside City of Murrieta: Vacant lot on N corner at intersection of Jefferson Av. and Murrieta Hot Springs Rd. 323 Comment
  CAS-BOT-BC250619  Phalaris minor K. Larson 1977-5-12 2280 Riverside Wiley Wells Rd. ca. 20 mi. W. of Blythe Comment
  UCD89176  Phalaris minor John Thomas Howell 1960-3-24 35152 Riverside La Quinta. Comment
  UCR24393  Philadelphus microphyllus John C. Roos 1937-8-18 2531 Riverside San Jacinto Mtns, Hidden Lake Comment
  OBI6097  Phleum alpinum Carl B. Wolf 1932-8-5 3956 Riverside San Jacinto Mts 1st Real, wet meadow on trl from Tahquitz Valley to San Jacinto Peak 2743 Comment
  SBBG61544  Phoradendron bolleanum R. Hoffmann 1929-9-8 Riverside San Jacinto Mtns Comment
  CAS-BOT-BC135070  Phoradendron californicum Del Wiens 1953-12-5 872 Riverside near Junction of road from S end of Joshua Tree National Monument and US 60 and 70 152 Comment
  LA209840  Phoradendron californicum A. M. Johnson; 1932-3-20 3905 Riverside Indian Wells, S of Palm Springs Comment
  RSA296149  Phoradendron californicum Barry A. Prigge 1980-8-19 3995 Riverside Whitewater Canyon: 1.0 mi. uostream from trout farm. 747 Comment
  SBBG33959  Phoradendron californicum L. S. Rose 1966-12-11 Riverside Palm Springs 152 Comment
  UC536860  Phoradendron californicum M. C. Jones 1934-2-18 Riverside Colorado Desert, Whitewater Canyon Comment
  UCR17314  Phoradendron californicum N. R. Zabriskie, W. W. Zabriskie 1971-10-24 460 Riverside Western Colorado Desert/ San Jacinto Mtns, E slope of San Jacinto Mountains, Andreas Canyon watershed, SE of turnoff to clubhouse from Andreas Canyon Club Road 320 Comment
  SD229304  Phoradendron leucarpum subsp. tomentosum Dick Schwenkmeyer 2012-4-18 709 Riverside Mt. San Jacinto: Vista Grande, 1.1 mile northwest of U.S. Forestry station on Highway 243, north of Idyllwild. High granite ridge overlooking Gorgonio Pass to the north and Hemet to the west. 1540 Comment
  POM354351  Phoradendron villosum N. C. Cooper 1945-5-24 1630 Riverside Big Oaks Canyon, Banning. 1220 Comment
  CDA41154  Physalis crassifolia T. C. Fuller 1964-4-14 11832 Riverside Bench above wash of Whitewater Canyon, 3.4 miles north of Whitewater. 0 Comment
  POM126318  Physalis crassifolia Martha Hilend 1927-4-2 s.n. Riverside Painted Canyon, Colorado Desert. Comment
  UC494680  Physalis crassifolia Philip A. Munz 1932-3-15 12004 Riverside Magnesia Spring Canyon; Coachella Valley 91 Comment
  UCR227001  Physalis crassifolia Jim Andre 2011-2-2 16222 Riverside Coachella Valley, mouth of Big Morongo Wash, 1 mi east of Hwy 62, just north of North Indian Canyon Road, west of Desert Hot Springs, 7.5 mi north of Hwy I-10 487 Comment
  UCR269855  Physaria tenella A. C. Sanders, Jim Malusa 2016-3-17 42359 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, along Gasline Road 2.85 miles south of Bradshaw Trail 701 Comment
  UC175  Pinus contorta subsp. murrayana H. M. Hall 1901-6-1 2321 Riverside near Tahquitz; San Jacinto Mountains 2590 Comment
  JEPS47911  Pinus flexilis W. L. Jepson 2308 Riverside Tauquitz Peak San Jacinto Mt. 2682 Comment
  CLARK-A1656-884  Pinus murrayana Jim Cornett 1977-10-7 Riverside San Jacinto Mountains 2621 Comment
  POM12978  Pinus quadrifolia Philip A. Munz, I. M. Johnston 1922-5-20 5492 Riverside Head of Hemet Valley, San Jacinto Mts 1524 Comment
  POM310583  Pinus quadrifolia G. Mansfield-Jones 1956-11-11 564 Riverside Palms to Pines highway, near Lake Hemet. Mt. Range San Jacinto-Santa Rosa. 1524 Comment
  UCR67336  Plagiobothrys arizonicus S. J. Myers 1991-4-15 91- 8 Riverside City of Banning, west of Fields Road, north of I-10 and south of the Morongo Indian Reservation. 671 Comment
  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
  UCR58495  Plagiobothrys canescens Jeri Hirshberg 1989-4-19 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., south of town of Murrieta, west of Mesa de Burro 610 Comment
  JEPS68010  Plagiobothrys collinus W. L. Jepson 1939-4-17 19130 Riverside near Twin Springs; Temescal Canyon 274 Comment
  UCR172255  Plagiobothrys collinus John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, City of Temecula, Immediately N and south of Murrieta Hot Springs Road along San Diego Aqueduct right-of-way 396 Comment
  SD181656  Plagiobothrys collinus var. fulvescens Scott D. White 2000-5-1 7751 Riverside Corona: Western foothills of Santa Ana Mts. Near Bedford Canyon. 351 Comment
  UCR246592  Plagiobothrys collinus var. fulvescens A. C. Sanders 2012-3-22 39988 Riverside Peninsular Range; Temescal Valley, foot of Santa Ana Mtns., 0.7 km SE of Corona (Lee) Lake along I-15 Frontage Rd. (De Palma Rd.) just east of Horse Thief Wash Comment
  UCR265816  Plagiobothrys collinus var. fulvescens Mitch Provance 2012-5-24 512- 06 A Riverside San Gorgonio Pass, Banning, near its border with Beaumont, Smith Creek Wash vicinity, E of Highland Springs Rd., both N and S of W Wilson St. 784 Comment
  RSA80199  Plagiobothrys collinus var. ursinus F. W. Peirson 1922-5-19 3041 Riverside Hemet Valley, San Jacinto Mountains. 1341 Comment
  RSA0106709  Plagiobothrys jonesii Duncan S. Bell, Amanda Turek 2010-4-9 759 Riverside East side of the Arica Mountains, near the center of the range; approx. 1.75 air mile west of Priest Well. 439 Comment
  POM13593  Plagiobothrys leptocladus P. A. Munz 1922-5-5 5158 Riverside Mystic Lake, near Moreno. Comment
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Mar 20 2011
  UCR126941  Plagiobothrys leptocladus A. C. Sanders, T. B. Salvato 2003-5-9 26583 Riverside San Jacinto Valley, west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  UCR266817  Plagiobothrys leptocladus Mitch Provance, Matt Amalong, Eric Kline 2015-3-24 315- 08 Riverside Paloma Valley, Menifee, NE corner of the intersection of Scott Rd. and Menifee. 454 Comment
  UCR76172  Plagiobothrys leptocladus A. C. Sanders 1993-4-1 13671 Riverside Perris-Aguanga Basin Region, western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St. and Devonshire Ave., 0.75 mile NE of the intersection of Florida Ave (Hwy 74) and Warren Rd, just south of Tres Cerritos 460 Comment
  RSA92556  Plagiobothrys leptocladus J. C. Roos 1952-5-7 5623 Riverside Flats at Edgemont Comment
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May 21 2011
  SEINET272151  Plantago erecta A. C. Sanders 1997-3-1 19740 Riverside Riverside: Box Springs Mtns. S end of the range along Gernert Rd. in valley draining to Box Spring Cyn. UTM 10km cell: 457 Comment
  HSC80287  Plantago lanceolata Steve Boyd 1985-7-23 1000 Riverside 5 mi. W of Rancho California at the junction of Rancho California Rd. & De Luz Rd. 427 Comment
  UCR256776  Plantago lanceolata T. B. Salvato, Matthew Malle 2013-5-20 7582 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  SEINET9163016  Plantago lanceolata G. R. Hall 1908-1 8485 Riverside Riverside. Comment
  RSA278493  Plantago ovata var. fastigiata John F. Emmel 1977-3-28 555 Riverside Large wash just NW of Sand Draw Siphon, ca. 10 air miles W. of Rice, SE Mojave Desert. 274 Comment
  UCSB6239  Plantago ovata var. fastigiata Haller, John 1960-4-2 Riverside at north base of Orocopia Mtns; 1.3 miles south of the junc. of US 60-70 and the south entrance road to Joshua Tree Nat. Mon 487 Comment
  RSA0125295  Plantago patagonica Duncan S. Bell 2016-3-3 8781 Riverside Whitewater Canyon; San Gorgonio Wilderness area; Rainbow Canyon, approximately 3.5 air miles east northeast of Kitching Peak. 820 Comment
  RSA771667  Plantago patagonica Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4902 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  SD137692  Plantago patagonica Darin L. Banks, Steve Boyd 1995-5-3 293 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. 512 Comment
  UCR266779  Plantago patagonica Mitch Provance, Matt Amalong 2015-3-25 315- 25 Riverside Paloma Valley, Murrieta, old Clydesdale horse ranch 0.4-0.6 miles S of Keller Rd., along unmarked dirt portion of Menifee Rd. 450 Comment
  UC455178  Platanthera leucostachys I. J. Condit 1910-6-23 Riverside San Jacinto Mts. 2590 Comment
  SD181426  Platystemon californicus Scott D. White 2001-5-1 8439 Riverside Near Sun City; Quail Valley, valleys and slopes east of Canyon Lake and west of Goetz Road. 441 Comment
  UCR116914  Platystemon californicus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23957 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  RSA585733  Plectritis ciliosa subsp. insignis D. L. Banks, Steve D. Boyd 1995-5-9 388 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 701 Comment
  RSA796506  Pleuraphis rigida Jim Andre 2012-3-19 21365 Riverside Palen Valley; along Palen Pass Road (dirt), 1.2 miles east of Highway 177. 184 Comment
  UC1547013  Pleurocoronis pluriseta Leila M. Shultz and John S. Shultz 1985-4-18 8351 Riverside se benches Chuckawalla Mountains (Alligator Rock) 341 Comment
  SDSU19225  Pluchea odorata var. odorata Kristen Hasenstab, Dave Bailey 2008-8-7 180 Riverside Santa Margarita Ecological Reserve, within 150m of gaging station at the Gorge river crossing. 1m from the edge of the river. 215 Comment
  CAS-BOT-BC326542  Pluchea sericea Alice Eastwood 1913-4-30 3103 Riverside Palm Springs Comment
  UCR250872  Pluchea sericea S. J. Myers 2014-4-29 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, c. 1.2 mi. SE of Mecca at intersection of 68th St. and Johnson Ave. -60 Comment
  UCR89811  Pluchea sericea Scott D. White 1993-5-27 1411 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  RSA561809  Poa secunda Steve Boyd 1992-4-14 6835 Riverside San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail 341 Comment
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Jun 7 2009
  UCR106051  Poa secunda A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20663 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
  UCR120917  Poa secunda A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24939 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  RSA612932  Poa secunda D. L. Banks 1997-3-29 1645 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 Co. line border. 463 Comment
  RSA757752  Poa secunda subsp. secunda LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4286 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon., Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  UCR244428  Poa secunda subsp. secunda Jim Andre 2012-4-16 20961 Riverside Southern Mojave Desert, Joshua Tree National Park; north side of Mt Ryan at Sheep Pass Campground area 1370 Comment
  UC667275  Polygala acanthoclada Annie M. Alexander and Louise Kellogg 1941-5-18 2195 Riverside 1.5 mi n Cottonwood Spring; Colorado Desert, Eagle Mountains 975 Comment
  RSA740076  Polygonum arenastrum Scott D. White, Justin M. Wood 2008-6-16 12139 Riverside San Jacinto Mountains: Meadow at Quinn Flat. 1378 Comment
  CAS-BOT-BC413938  Polygonum aviculare subsp. aviculare H. A. Zuill 1966-6-27 244 Riverside 2-4 miles WSW of Murrieta Comment
  UCR92304  Polygonum lapathifolium Scott D. White, S. Ogg 1994-10-17 2481 Riverside Temecula Valley, Temecula, Murrieta Creek channel, 1000 ft. north of bridge at Rancho California Ave. 311 Comment
  UCR93206  Polygonum lapathifolium Scott D. White 1995-7-7 3453 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  UCR40195  Polygonum punctatum Steve Boyd 1985-7-23 1014 Riverside Peninsular Range, De Luz Road, 8 mi west of Rancho California. Side canyon of Sandia Creek 305 Comment
  SDSU13953  Polypogon maritimus Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2140 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  SEINET6631301 Image available Polypogon monspeliensis Scott D. White 2004-1 10252 Riverside San Jacinto Mountain Foothills; Soboba Indian Reservation, Indian Creek Watershed 518 Comment
  UCR167426  Polypogon monspeliensis John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, WNW of Rancho Dos Palmas between Coachella Canal siphons 29 and 30 24 Comment
  RSA771034  Polypogon viridis Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4541 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  IRVC175  Polystichum imbricans subsp. curtum C. Thompson 1965-4-24 HS 548 Riverside Upper San Juan Creek Camp; Ortega Highway [74]. Peninsular Ranges, Santa Ana Mountains Comment
  CAS-BOT-BC102605  Populus fremontii Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  CAS-BOT-BC102607  Populus fremontii D. A. Johansen; J. A. Ewan 1932-4-10 7051 Riverside Warners Ranch at Whitewater, Western Colorado Desert Comment
  RSA92883  Populus fremontii F. W. Peirson 1928-3-10 7699 Riverside along irrigation ditch, Snow Creek Auto Camp at Whitewater, head of Coachella Valley. Comment
  JOTR30767  Populus fremontii subsp. fremontii La Doux, Tasha, Mike Bell, Katy Matthews 2007-4-4 1882 Riverside Joshua Tree National Park. Little San Bernardino Mountains: (Stop 5) near Quail Springs, Smith Water Canyon 1161 Comment
  RSA561121  Populus trichocarpa Steve D. Boyd, Tim S. Ross, D. E. Bramlet 1993-5-12 7314 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon, 365 Comment
  RSA775664  Porophyllum gracile Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 813 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 396 Comment
  UCR18436  Porophyllum gracile J. Olmstead 1966-5-2 s.n. Riverside Santa Rosa Mtns., Granite country SW of Black Hill, west of Hwy. 74. 976 Comment
  RSA793473  Portulaca oleracea Duncan S. Bell 2012-9-13 4194 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  UCR224437  Potentilla glandulosa Scott D. White, Justin M. Wood 2009-5-22 12903 Riverside San Jacinto Mountains, Idyllwild area, 'Strawberry Fuelbreak' between Strawberry Creek and road to sewage ponds 1456 Comment
  SFV20131  Potentilla glandulosa subsp. reflexa J. N. Hogue 2000-5-31 s. n. Riverside San Jacinto Mountains Bay Tree Spring, along Highway 243. 1585 Comment
  UC70339  Potentilla gracilis Geo. F. Reinhardt June, 1897 Riverside San Jacinto Mountains Comment
  CAS-BOT-BC540420  Potentilla gracilis var. fastigiata F. Grinnell Jr. 1908-7-1 s.n. Riverside Tahquitz Valley 2438 Comment
  UCR35825  Proboscidea louisianica Steve Boyd 1984-9-20 s.n. Riverside Perris Basin, Mead Valley, 4.5 mi. NW of Perris, along Cajalco Road, 0.2 mi. east of intersection with Clark Street (= Old Elsinore Road) Comment
  JOTR32425  Prosopis glandulosa var. torreyana La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2213 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; large wash at mouth of rocky, narrow canyon 719 Comment
  UCR48506  Prosopis glandulosa var. torreyana Steve Boyd 1986-4-10 1646 Riverside Peninsular Range, Gavilan Hills region, Temescal Canyon. De Palma Road between Indian Truck Trail & Horsethief Canyon, 1.2 mi east of the Indian Truck Trail exit of Hwy I-15. 372 Comment
  CAS-BOT-BC216518  Prosopis pubescens F. A. Thackery 1928-5-16 377 Riverside Indio Comment
  CAS-BOT-BC151120  Prunus fremontii Alice Eastwood 1913-4-30 3022 Riverside Palm Springs Comment
  HSC85250  Prunus ilicifolia Steve Boyd 1986-4-22 1729 Riverside Temescal Canyon: Walker Canyon area, where Alberhill Creek (=Temescal Creek) flows between Alberhill Mtn. and Gavilan Hills. Comment
  UC114552  Prunus ilicifolia J. W. Toumey 1894-9-27 Riverside Banning Comment
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Mar 13 2011
  UCR41365  Prunus ilicifolia N. M. Fellows, A. C. Sanders 1985-5-7 187 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  RSA454189  Prunus virginiana var. demissa Robert L. Rutherford 1945-5-24 1656 Riverside Big Oaks Canyon, Banning. 1220 Comment
  UC990729  Psathyrotes ramosissima Roxana S. Ferris 1953-3-10 12603 Riverside Thousand Palms Indio Hills Comment
  UCR166855  Psathyrotes ramosissima Chet McGaugh 2005-1-27 s.n. Riverside Sonoran (Colorado) Desert, E of Salton Sea, along Coachella Canal between siphons 26-27 NE of Dos Palmas Spring 24 Comment
  CAS-BOT-BC356596  Pseudognaphalium biolettii Nancy Ryan Zabriskie 1973-4-6 624 Riverside Along trail ca 25' N of stream, ca 30 yds downstream from Big Pool. Andreas Canyon, E slope San Jacinto Mtns. (Site A-1) 335 Comment
  SEINET3082602 Image available Pseudognaphalium biolettii D. Gordon 1952-4-17 Riverside Weeds of Southern California, U. C. Riverside. UCR campus. Comment
  UC1929958  Pseudognaphalium biolettii Scott D. White 2004-4-26 10263 Riverside San Jacinto Mountain Foothills: Soboba Indian Reservation, Indian Creek Watershed. Comment
  GMDRC6556  Pseudognaphalium californicum J. M. Andre 2012-6-15 30510 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
  RSA0124289  Pseudognaphalium canescens Duncan S. Bell 2016-4-16 9330 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  JOTR32462  Pseudognaphalium luteoalbum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2607 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
  UCR277743  Pseudognaphalium microcephalum Mitch Provance 2012-10-15 1012- 04 Riverside Badlands of Western Riverside County, San Timoteo Creek, about 3.5 miles west of Beaumont, N side of Hwy. 60 1479 Comment
  UC62971  Pseudognaphalium thermale H. M. Hall 1897-8-1 835 Riverside Strawberry Valley San Jacinto Mountains, Strawberry Valley 1615 Comment
  RSA660501  Psilocarphus brevissimus A. C. Sanders, K. C. Rose 1998-5-21 21855 Riverside Hemet: alkaline flats west of town, E of the canal, S of Hwy 74 (Florida) and ca. 1/4 mi. W of Warren Rd. 457 Comment
  UCR281126  Psilocarphus brevissimus Mitch Provance, John Hazlett, Matt K. Beyers 2017-4-19 417- 50 Riverside Menifee Valley, Menifee, about 0.5 miles south of Sun City, and 0.5 miles west of Romoland, SW corner of Lazy Creek Rd. and Murrieta Rd. 431 Comment
  UCR166810  Psilocarphus chilensis R. E. Riefner Jr. 2005-4-22 05- 239 Riverside Patton Rd. at Patterson Ave., SE of Winchester near San Diego Aqueduct 452 Comment
  CLARK-A1528-5673  Psoralea physodes John C. Roos 1960-5-30 Riverside Santa Ana Mountains 1219 Comment
  CAS-BOT-BC353576  Psorothamnus arborescens var. simplicifolius David Dreyer 1968-4-9 s.n. Riverside 3 miles north of Desert Hot Springs 60 Comment
  UC1329931  Psorothamnus arborescens var. simplicifolius James E. Cole 1941-5-21 750 Riverside Cottonwood Spring Wash; Joshua Tree National Monument 914 Comment
  CAS-BOT-BC353628  Psorothamnus emoryi Roxana S. Ferris 1918-6-15 998 Riverside at Greundikes Well on Mecca-Blythe Road Comment
  RSA748290  Psorothamnus emoryi Justin M. Wood 2009-3-26 418 Riverside Thousand Palms, Ramon Rd., 1.4 miles E of Monterey Ave., just E of Edison substation. 61 Comment
  UCR131014  Psorothamnus emoryi Karen Kirtland 1998-11-6 s.n. Riverside Sonoran (Colorado) Desert, sand and gravel mine c. 8 miles (airline) north of Blythe, SW of Big Maria Mtns. on Midland Road 137 Comment
  JOTR16703  Psorothamnus schottii Vanderspek & Nolte 1964-4-17 s.n. Riverside Joshua Tree National Park. BERDOO CANYON Comment
  UC1539725  Psorothamnus schottii Chas. B. Fiker 1946-4-16 3390 Riverside West side of Colorado Desert Comment
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Mar 23 2014
  UC555343  Psorothamnus schottii Margaret Stason 1927-3-12 Riverside Painted Canyon , Painted Canyon (Colorado Desert) Comment
  UCR167254  Psorothamnus schottii 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
  UCR263502  Psorothamnus schottii Aaron C. Sedgwick, Brett Griffin 2012-3-28 015 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road. c. 6 miles south of Hwy I-10 323 Comment
  POM295543  Psorothamnus schottii Lyman D. Benson 1979-3-28 13575 Riverside Was at E end of PInes to Palms Hwy just above junction of palm springs- indio road. 305 Comment
  UCD108382  Psorothamnus spinosus Victor Duran 1933-7-3 3499 Riverside Coachella Valley at Deep Canyon. 243 Comment
  CAS-BOT-BC421252  Pterostegia drymarioides C. L. Hitchcock 1940-4-1 5909 Riverside 1 mi. below Cottonwood Spring, Joshua Tree National Monument. Comment
  POM128387  Pterostegia drymarioides Thos. Craig 1927-4-23 224 Riverside Glen Ivy. Comment
  SD181375  Pterostegia drymarioides Rashmi Pant, Darin Banks 1996-5-1 1016 Riverside Cleveland National Forest: along the Cutca Trail, E of the Cutca Valley, ca. 0.5 miles W of the Aguanga Trail junction Comment
  RSA484521  Puccinellia nuttalliana Anstruther Davidson 1904-5-1 1102 Riverside Palm Springs. Comment
  UCR50000  Pulicaria paludosa Theo Glenn 1987-6-15 s.n. Riverside Western Colorado Desert, Coachella Valley, Thousand Palms Oasis, in the Indio Hills. 168 Comment
  UCSB49861  Pulicaria paludosa Clarke, O. 1972-9-17 Riverside Santa Ana river bottom Comment
  UCD47712  Quercus X acutidens John M. Tucker 1941-5-30 262 Riverside Ortega summit, Highway 74, Riverside County, California. 812 Comment
  CAS-BOT-BC61815  Quercus agrifolia Scott D. White 1996-4-14 3914 Riverside E of Hemet: San Jacinto River Wash near Valle Vista, No. of Hwy. 74, ca. 71.7 mi W of USFS Cranston Fire Station 548 Comment
  POM305800  Quercus agrifolia Henry J. Ramsey 1937-4-2 1059 Riverside Elsinore. Comment
  SD193293  Quercus agrifolia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31543 Riverside Upper Bautista Canyon, 0.8 mile below Trip[p Flat Road. 1128 Comment
  UCR260590  Quercus agrifolia A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-3 41559 Riverside Peninsular Range, Eastern Foot of the Santa Ana Mtns., Temescal Canyon NW of Horsethief Canyon Rd. along DePalma Rd., SE of Glen Eden Rd. and south of the east end of Lee (Corona) Lake, south side of I-15 370 Comment
  RSA711037  Quercus agrifolia var. agrifolia A. C. Sanders, R. E. Riefner 2005-8-12 31544 Riverside San Jacinto Mtns.: lower Bautista Canyon, 1.1 mi above Forest Service boundry, 3.2 miles above retention dam at mouth. 744 Comment
  RSA702555  Quercus berberidifolia Scott D. White 2004-10-8 10775 Riverside Black Hills,' southeast of Lake Skinner and north of Oak Mountain. 610 Comment
  UCR209398  Quercus berberidifolia Fred M. Roberts, Robt. L. Allen 2007-6-22 6540 Riverside San Jacinto Mountains, Bau\tista Canyon, Bautista Canyon Road, 2.2 km northwest of Bautista Spring below Blackburn Ridge 726 Comment
  UCR260589  Quercus berberidifolia A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-3 41558 Riverside Peninsular Range, Eastern Foot of the Santa Ana Mtns., Temescal Canyon NW of Horsethief Canyon Rd. along DePalma Rd., SE of Glen Eden Rd. and south of the east end of Lee (Corona) Lake, south side of I-15 370 Comment
  UCR264647  Quercus berberidifolia Mitch Provance, Jeremiah George 2012-8-4 812- 36 Riverside Western Riverside County, Badlands south of Beaumont, Potrero Creek, E side of Highland Springs Ave., between Breckenridge and the entrance to Potrero 752 Comment
  SEINET5569535  Quercus chrysolepis R. H. Whittaker, W. A. Niering 1961-1 s.n. Riverside San Jacinto Mountians. 1524 Comment
  CDA39789  Quercus cornelius-mulleri Mike Lahti, Suzanne Nikau Counter 2014-1-13 PDR# 331 P06141760 Riverside Pinyon Flats Campground along Highway 74 near Mountain Center. San Bernardino National Forest. 0 Comment
  JOTR34174  Quercus cornelius-mulleri Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 135 Riverside Joshua Tree National Park. Little San Bernardino Mountains; side canyon of Pushawalla Canyon; Steep rocky/gravelly drainage near elevated seep, and steep gravelly hills surrounding it (Stop 4) 1371 Comment
  RSA296122  Quercus cornelius-mulleri Barry A. Prigge 1980-8-11 3898 Riverside San Bernardino Mts, White Canyon: 3.2 miles upstream from trout farm. 963 Comment
  SEINET10478246  Quercus dumosa var. turbinella David B. Dunn 1947-10-9 Dunn 3529 Riverside Around large boulder in joshua tree national monument at campground area by Hidden valley Comment
  RSA628257  Quercus engelmannii B. Schwenn 1988-9-27 s.n. Riverside Santa Rosa Mnts: San Bernardino National Forest, Cactus Spring trail where trail crosses Horsethief Creek. 1341 Comment
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Oct 5 2017
  SBBG119972  Quercus engelmannii A. C. Sanders with M. Misenhelter 2005-3-23 29264 Riverside E slope of Squaw Mtn, Avenida Escala just above Avenida Caleta, N of Tenaja Rd; Santa Rosa Plateau 701 Comment
  SDSU13622  Quercus engelmannii W. Miller with C. Mosse 1972-7-20 Riverside 75 yards past fork next to olive trees. Comment
  UCR182105  Quercus kelloggii Tom Chester 2006-9-29 959 Riverside Peninsular Ranges; San Jacinto Mountain, Humber Park above Idyllwild just outside of parking area 1972.6 Comment
  RSA215552  Quercus palmeri L. B. Ziegler 1969-10-12 s.n. Riverside Hemet Valley near the Kenworthy Ranger Station 1418 Comment
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Mar 25 2011
  UCR117250  Quercus palmeri A. C. Sanders, S. D. Boyd, Mitch Provance, J. Ross 1998-10-25 22293 Riverside San Jacinto Mtns., W side of Burnt Valley along Burnt Valley Rd. 1354 Comment
  SD232697  Quercus wislizeni Scott D White 1996-8-1 4445 Riverside San Jacinto Mts., Idyllwild area: North of Strawberry Valley, between Bear Trap Cyn and Lily Creek. S facing slope. 1584 Comment
  UCR187289  Quercus wislizeni Diane Menuz 2006-6-27 180 Riverside Peninsular Range; Santa Ana Mtns, trail to Santiago Peak, 100 m from Main Divide Road 1470 Comment
  RSA60418  Quercus wislizeni var. frutescens Frank W. Gould 1943-4-18 2136 Riverside 8 miles east [NW] of Idyllwild Comment
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Sep 29 2011
  UCR9306  Quercus wislizeni var. frutescens Ted Hanes 1966-11-21 s.n. Riverside San Bernardino Mtns, Millard Canyon, 7 mi north of Cabazon 1159 Comment
  RSA608220  Rafinesquia californica R. S. Woglum 1941-5-17 3058 Riverside Peninsular Ranges / Sonora Desert transition: Horse Canyon off Coyote Canyon. Comment
  RSA783426  Rafinesquia californica J. D. Olmsted 1959-5-1 526 Riverside Spring Trail on Beacon Pines Ranch, 9 miles SW of Corona. Santa Ana Mts. 770 Comment
  RSA778629  Rafinesquia neomexicana Duncan S. Bell 2009-3-8 70 Riverside Arica Mountains: the north tip of the mountain range approximately 3 air miles northwest of Priest Well, or approximately 5.5 air miles southwest of the ghost town of Rice. 404 Comment
  RSA399353  Ranunculus alismifolius var. alismellus G. Hasse s.n. Riverside San Jacinto. Comment
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Jun 14 2012
  POM13856  Ranunculus aquatilis var. capillaceus P. A. Munz 1922-4-28 5022 Riverside 5 miles NW of Corona 213 Comment
  UC219191  Ranunculus aquatilis var. capillaceus P. A. Munz 1922-4-28 5022 Riverside 5 mi nw Corona (small branch of creek); Chino Creek 228 Comment
  RSA198929  Ranunculus californicus Robert F. Thorne, P. A. Munz, E. W. Lathrop 1968-5-8 37588 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California. 671 Comment
  UCD95938  Ranunculus californicus John Green 2005-2-24 s.n. Riverside Santa Ana Mountains Region - Santa Rosa Plateau, just SE of Redonda Mesa and SW of Mesa de Colorado, 9.6 acre parcel S of the junction of El Cerezo Road and Corona Cala Camino. 671 Comment
  SD233920  Ranunculus muricatus Jennifer H. Jones 2006-5-1 290 Riverside Foot of Box Springs Mountains, E of University of California Riverside Campus; University Village Apartments SW corner of Big Springs Rd. & Watkins Drive (Riverside E 7.5' Q). 334 Comment
  CAS-BOT-BC59510  Rhamnus crocea Scott D. White 1996-4-14 3918 Riverside Perris Basin - E of Hemet: San Jacinto River Wash near Valle Vista, N of Hwy. 74 ca. 1/7 mi. W of USFS 548 Comment
  UCR112310  Rhamnus crocea A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23448 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
  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
  UC723853  Rhododendron occidentale C. Epling, Wm. Robison 1935-6-29 Riverside Mount San Jacinto, Marion Peak Marion Peak; Mount San Jacinto, Marion Peak Comment
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Oct 14 2006
  UCR16590  Rhus aromatica Joe Buriel 1966-4-6 s.n. Riverside Peninsular Range, Robb Road [=Lake St.], 1 mi south of Temescal Canyon Road, 2 mi northwest of Lake Elsinore 459 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
  UCSB39082  Rhus ovata Jorgensen, Jan 1982-1-19 Riverside 3 kilometers up highway 243 from interstate 10, Banning; San Jacinto Mountains 1000 Comment
  RSA716371  Rhus trilobata Scott D. White 2006-5-19 11477 Riverside South of Hemet, Santa Rosa Hills near Hemet Butte. 549 Comment
  RSA234086  Rhus trilobata var. anisophylla R. F. Thorne, E. Lathrop 1969-6-6 39324 Riverside Santa Rosa Plateau: Rancho California 610 Comment
  JEPS49432  Ribes cereum W. L. Jepson 1901-5-25 1450 Riverside trail to Santa Rosa Peak Comment
  RSA522733  Ribes indecorum Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3839 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
  RSA523497  Ribes indecorum Steve Boyd, T. S. Ross, L. Arnseth 1990-3-30 3957 Riverside Vail Lake Area, westerly drainage cyn at N base of 'Big' Oak Mtn. 640 Comment
  UCR262567  Ribes malvaceum T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3754 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
  POM48327  Ribes malvaceum var. viridifolium E. C. Jaeger 1925-3-1 s.n. Riverside Snow Canyon, San Jacinto Mts. 457 Comment
  RSA162685  Ribes malvaceum var. viridifolium J. D. Olmsted 1959-2-28 s.n. Riverside Turn S on Lincoln in W Corona, after 3 miles turn W on Chase Dr, then S on Oak Flat fire road for 4 miles past Olive trees. Santa Ana Mts. 793 Comment
  UCR22116  Ribes quercetorum Steve Boyd 1980-5-11 245 Riverside Peninsular Range; Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau. Sandy valley NW end of park on E side of Gavilan Road near the old mines 610 Comment
  RSA161278  Ribes roezlii Peter H. Raven 1962-5-18 17758 Riverside Junction [of] Main Divide Truck Trail with Ortega Highway, Santa Ana Mountains. 701 Comment
  UCR230928  Ricinus communis T. B. Salvato, Richard Camacho 2011-6-12 5482 Riverside Peninsular Range, Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  CAS-BOT-BC300507  Rondeletia amoena O. F. Clarke 2003-5-1 s.n. Riverside Peninsular Range: Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  CLARK-A1528-5386  Rorippa nasturtium-aquaticum John C. Roos 1948-4-24 3795 Riverside Whitewater Comment
  UCR268297  Rosa californica Jim Andre 2012-6-15 30551 Riverside San Jacinto Mountains, west slopes of range along Poppet Flat Road, Poppet Creek canyon, 3.2 miles west of Hwy 243 1022 Comment
  UCR199625  Rubus ursinus Scott D. White 2004-4-26 10260 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  SEINET1910072  Rumex crispus T. B. Salvato, Melissa Clemons 2005-1 1309 Riverside Peninsular Range; Temescal Valley; Walker Canyon, 1.5 mi due E of Alberhill, N of Hwy I-15 (Lake Elsinore 7.5') 411 Comment
  SEINET272293  Rumex crispus A. C. Sanders 1997-3-1 19725 Riverside Box Springs Mtns: Coyote Hill and ridge W of SE of the UCR Botanic Garden. UTM 10km cell: MH-7E 5N. Edgemont (Banch Mar 427 Comment
  UCR271684  Rumex dentatus Mitch Provance 2011-7-4 17179 Riverside San Bernardino Valley, Northwestern base of the Jurupa Mountains, adjacent to S side of Fontana (technically in an unincorporated part Riverside Co.), retention basin on S side of Philadelphia St., just E of Country Village Rd. 262 Comment
  CAS-BOT-BC433586  Rumex hymenosepalus A. C. Sanders; Pam MacKay; E. J. Lawlor; C. L. Sanders 2000-3-19 23319 Riverside Shipley-Skinner Reserve area: Diamond Valley, off old Rawson Rd. N of Crown Valley, on future bed of Dia Val. Reservoir, now filling. 488 Comment
  UCR261157  Rumex hymenosepalus A. C. Sanders, Katie Young, John Hale 2015-4-22 41591 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 1.6 km south of I-10, 1.2 km NW (319 deg. ) of One Horse Spring 458 Comment
  SD187462  Rumex salicifolius Scott D. White, Angelia Carey 2004-5-7 10314 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills 548 Comment
  UCR116781  Rumex salicifolius var. denticulatus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24162 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  RSA586918  Sagina decumbens D. L. Banks, Steve Boyd 1995-5-3 0253 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
  CSUSB1688  Salazaria mexicana Wayne White 1975-5-17 Riverside Chuckwalla Mountains On Red Cloud Road, off Highway I-10, Chuckwalla Mountains. Colorado Desert. 484 Comment
  JEPS62517  Salazaria mexicana Marjorie Clary 1931-4-4 5 Riverside Coachella Valley Devils' Canyon (slopes of Santa Rosa Mts., West Colorado Desert); West Colorado Desert, slopes of Santa Rosa Mts. Comment
  RSA735989  Salicornia virginica Scott D. White, Justin Wood 2008-6-26 12296 Riverside I-215 freeway @ stream crossing, just W of golf course and just N of Newport Rd. 434 Comment
  UCR114319  Salix gooddingii Mitch Provance 1998-3-21 268 Riverside Jurupa Hills, Sunnyslope, near the Ormand Quarry, at the corner of 30th St. and Sierra Ave. 274 Comment
  CDA38726  Salix laevigata Mike Lahti 2013-4-13 PDR# 331 P06141938 Riverside East Hemet; Bautista Canyon. 0 Comment
  RSA543185  Salix laevigata Steve D. Boyd 1991-3-17 5502 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  JEPS14747  Salix lasiandra var. lasiandra Marjorie Clary 1934-3-3 Riverside 18 mi w Indio (Carrizo Canyon) 304 Comment
  RSA171357  Salix lasiolepis J. D. Olmsted 1962-5-3 3531 Riverside Above old Santa Rosa Indian Village; SW side of Santa Rosa Mountain. 1905 Comment
  SD175812  Salsola australis D. G. Kelch 2006-12-8 06 524 Riverside Santa Rosa Plateau, roadside. Comment
  UCR45119  Salsola paulsenii L. F. LaPre 1986-9-25 s.n. Riverside Sonoran (Colorado) Desert, Cabazon Indian Reservation, adjacent to Southern Pacific R.R. tracks, c. 1 mi NW of Mecca, between Buchanan and Lincoln Sts., Coachella Valley 52 Comment
  UC1080500  Saltugilia splendens subsp. splendens Verne Grant and Howard Latimer 1957-5-6 9984 Riverside in wash below Morongo Valley (San Bernardino-Riverside County); below Morongo Valley Comment
  UC23850  Saltugilia splendens subsp. splendens H. M. Hall June, 1901 2305 Riverside in canyons of the w side San Jacinto Mountains Comment
  IRVC2064  Salvia apiana R. H. Whittaker, W. A. Niering 1963-5-29 SJ 52 Riverside Mountain Center to Hemet. San Jacinto Mountains 640 Comment
  JEPS62535  Salvia apiana W. L. Jepson 1901-5-17 1238 Riverside hills near San Jacinto Lake 457 Comment
  RSA411321  Salvia apiana N. C. Cooper 1944-5-19 1299 Riverside Banning. 701 Comment
  RSA770679  Salvia apiana Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4756 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 W116.65124 604 Comment
  UCR140739  Salvia apiana A. C. Sanders 2004-5-11 27854 Riverside Elsinore Basin Region, Alberhill Mountain, lower south-facing slopes southeast of the clay mining area 450 Comment
  RSA776226  Salvia carduacea Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 878 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 793 Comment
  RSA651673  Salvia columbariae Toppenberg 1961-5-12 7 Riverside Beaumont side of Idyllwild. Comment
  SD137721  Salvia columbariae Darin L Banks 1995-4-5 133 Riverside Cleveland Nat Forest, Agua Tibia Wilderness area, N Slope of Agua Tibia Mt. E of Dripping Springs Alcove, along Dripping Springs Trail 609 Comment
  UCLA70081  Salvia columbariae K. Watkins and E. McClintock 1937-4-9 Riverside near Winchester turnoff (Riverside to Hemet road) Comment
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Mar 20 2011
  UCR177024  Salvia columbariae Tracy Tennant 1998-6-18 s.n. Riverside San Jacinto Mtns., Bee Canyon, NE of Valle Vista 793 Comment
  UCR60239  Salvia columbariae R. F. Thorne, M. Z. Thorne 1973-3-30 42657 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
  VVC292  Salvia columbariae P. J. MacKay 1975-4-26 s.n. Riverside Peninsular Range, Palm to Pines Hwy, Hwy 74 970 Comment
  SEINET10902657  Salvia columbariae A. Evans 1976-4-13 Evans 5189 Riverside Desert canyons of santa rosa mtns. Comment
  HSC49196  Salvia columbariae var. columbariae D. L. Goforth 1979-4-11 105 Riverside 1 km N of junction of Hwy. 10 and S entrance road to Joshua Tree National Monument 518 Comment
  RSA0042827  Salvia greatae Duncan S. Bell, Deidre Conocchioli 2014-3-18 6251 Riverside Orocopia Mountains; southern/central section of range; approximately 1.25 air miles northwest of Gucci Spring. 511 Comment
  RSA434135  Salvia mellifera N. C. Cooper 1944-5-6 1213 Riverside Banning. 701 Comment
  SDSU12925  Salvia mellifera Jutta Buschbom 1991-6-20 40 b 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
  UCR277735  Salvia mellifera Mitch Provance 2012-1-26 112- 05 Riverside Badlands of Western Riverside County, San Timoteo Canyon, El Casco area, 0.3 miles S of Fisherman's Retreat 695 Comment
  UCR91728  Salvia mellifera A. C. Sanders, J. Goetzen 1996-5-1 18132 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  UC574890  Salvia mohavensis C. Epling and Wm. Robison 1933-6-26 Riverside Key's View; Little San Bernardino Mountains 1524 Comment
  SBBG54328  Salvia pachyphylla C. Davidson 1978-6-15 7382 Riverside rd from Hwy 74 to Santa Rosa Spgs Cmpgrd 2087 Comment
  UC25680  Salvia pachyphylla H. M. Hall 1901-6-1 2160 Riverside e base along the borders of the Colorado Desert San Jacinto Mts.; Colorado Desert, San Jacinto Mts. 1402 Comment
  UC25683  Salvia pachyphylla H. M. Hall 1898-1 Riverside San Jacinto Mountains Comment
  HSC47584  Salvia vaseyi Richard Spjut, C. E. Edson 1978-5-5 5013 Riverside W margins of Colorado Desert, along Hwy. 74 W of Palm Desert in the San Jacinto Mtns. 610 Comment
  RSA14215  Salvia vaseyi P. A. Munz, I. M. Johnston 1922-5-7 5285 Riverside Colorado Desert: Mouth of Dry Morongo Wash 366 Comment
  UCLA69751  Salvia vaseyi C. Epling and L. Haines 1937-5-7 Riverside 2 mi below Shumway (Palms-to-Pines Highway) Comment
  UC1936223  Salvinia minima R. E. Riefner Jr. 2008-7-5 08 -214 Riverside Cathedral City, Perez Road at Date Palm Drive Comment
  UCR169318A  Sambucus mexicana T. B. Salvato, John F. Green 2004-5-27 618 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  UCR180578  Sambucus mexicana Scott D. White, Angelia Carey 2004-4-5 10009 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  SEINET13710211  Sarcodes sanguinea J. Adams, J. Adams (Botany) 1965-1 342 Riverside Azalea Canyon, Above Campground 6000 Ft 1829 Comment
  UCR161404  Sarcostemma cynanchoides A. C. Sanders, Mike Misenhelter 2005-9-20 31686 Riverside San Jacinto Mtns. Foothills, Santa Rosa Hills south of Hemet, road NW of Gibbel Flat, south end of Cornell St., 0.5 mi. SE of the Ramona Bowl 610 Comment
  UCR213253  Sarcostemma cynanchoides A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37704 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 378 Comment
  UCR214864  Sarcostemma hirtellum A. C. Sanders 2010-3-23 37526 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mtns. 140 Comment
  UCR926  Satureja chandleri Geraldine Wedell 1959-4-17 s.n. Riverside 0.6 mi. north of sign #B4.86 on Hwy 79, between Hemet and Sage [Bad locality?] Comment
  UCR1225  Saxifraga californica Martha McCarthy 1960-3-27 s.n. Riverside Santa Ana, 1/2 mi west of Teneja Road, 12.0 mi from jct with Washington Ave, Murrieta Comment
  UCR91897  Schinus polygamus A. C. Sanders, G. Helmkamp 1995-12-5 17929 Riverside Riverside, University of California campus 336 Comment
  UCR265585  Schismus barbatus Angelique Herman, Keir Morse, Nick Regoli, Eric Lumba 2015-3-15 2015- 7 Riverside Santa Rosa/San Jacinto Mountains, Pinyon Flats Campground 1220 Comment
  CAS-BOT-BC111579  Schoenoplectus americanus P. A. Munz; Street; Williams 1919-3-26 2335 Riverside Figtree John's Spring near Salton Sea standing in water. -60 Comment
  SDSU13638  Schoenoplectus californicus W. Miller 1972-8-24 Riverside Comment
  UCR69790  Schoenoplectus californicus A. C. Sanders, Chet McGaugh 1991-7-19 11149 Riverside Peninsular Range, Murrieta Hot Springs, large vernal pool on the south side of Murrieta Hot Springs Road, east of Via Princesa & north of Calle del Lago 348 Comment
  RSA660242  Schoenoplectus maritimus M. Duke, Christy Hightower, C. McElroy 1982-5-15 14 Riverside CA Hwy 74, just off highway E of Elsinore, 1 mi W of Hwy 15. Comment
  RSA500152  Scirpus microcarpus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3649 Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Hwy 79. 488 Comment
  UCR101550  Scrophularia californica A. C. Sanders 1997-3-19 20053 Riverside Lake Skinner area, NE of Bachelor Mtn., small canyon below dry falls, north of dirt track off road from Rawson Cyn. 503 Comment
  POM11518  Scrophularia californica subsp. floribunda Philip A. Munz 1922-7-1 5933 Riverside Santa Rosa Mountains, Old Nicholas Canyon. 1463 Comment
  RSA425200  Scrophularia californica subsp. floribunda N. C. Cooper 1944-5-20 1257 Riverside Palms to Pines Hwy. San Jacinto Mts. 1433 Comment
  RSA160553  Scutellaria bolanderi subsp. austromontana J. D. Olmsted 1959-3-7 728 Riverside Strawberry Creek just above drop off near Isomata below Idyllwild. Alt: 4950 ft. 1509 Comment
  CAS-BOT-BC341102  Scutellaria mexicana Emma B. Mundy 1921-3-22 4484 Riverside Andreas Canyon Region Comment
  LA102320  Scutellaria mexicana John C. Roos; 1958-9-27 sn Riverside Santa Rosa Mountains, Carrizo Creek near Black Hill 914 Comment
  LA209602  Selaginella asprella Lawrence L. Kiefer; 1963-9-15 954 Riverside San Jacinto Mountains, N fork San Jacinto River (Dark Cyn.), ca. 2.5 mi above Dark Canyon Camp 1981 Comment
  RSA684089  Selaginella eremophila M. D. Proctor 1942-4-4 506 Riverside Andreas Canyon, east base of San Jacinto Mts. 305 Comment