Search Results — 2000 specimen records retrieved (1898 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCR131459  Abies concolor June Latting 1973-3-1 s.n. Riverside Santa Rosa Mountains., Santa Rosa Mountain along Santa Rosa Mtn. Rd. 2104 Comment
  CAS-BOT-BC229325  Abronia villosa Alice Eastwood 1913-4-30 3111 Riverside Palm Springs Comment
  SEINET7909538  Abronia villosa P. L. Packard 1976-1 23 Riverside 6 mi W of Blythe, Interstate 10 Comment
  UCR163077  Abronia villosa B. G. Pitzer, G. R. Ballmer 2000-10-14 4229 Riverside Sonoran (Colorado) Desert, c. 0.25 mi. west of Wiley's Well Rd. on south side of Hwy I-10 120 Comment
  RSA0046826  Abronia villosa Tamara Joy Hanna 1991-5-4 15 Riverside Township of Anza, area of High Country Ranches. From Terwilliger Road (paved) east on Coyote Canyon Road (dirt) approx. 2 miles. 1219 Comment
  UCR234277  Abronia villosa var. aurita A. C. Sanders 2012-4-12 40025 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, c. 250 m SE of El Hermano Rd. Comment
  UCR219800  Abronia villosa var. villosa Ed Kentner 2010-5-6 113 Riverside Coachella Valley, near Cabazon, c. 250 m SE of the Arrowhead Water bottling plant 475 Comment
  RSA683199  Acacia baileyana Scott D. White 2003-12-1 9894 Riverside Santa Ana River Valley; City of Riverside; (La Sierra area). 244 Comment
  RSA414901  Acacia greggii var. arizonica Ora M. Clark 1929-3-17 1748 Riverside S. La Quinta. Comment
  RSA592688  Acacia greggii var. arizonica Scott D. White, Duayne Haselfeld 1996-7-2 4272 Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  CAS-BOT-BC30903  Acamptopappus sphaerocephalus C. B. Wolf 1932-5-25 3681 Riverside San Gorgonia Wash. On road to Snow Creek Canyon 365 Comment
  RSA757824  Acamptopappus sphaerocephalus M. Wall 2010-5-6 556 Riverside San Gorgonio Pass area, off Tipton Rd. ca. 0.75 miles west of jct with Hwy 111 350 Comment
  UCSB6743  Acamptopappus sphaerocephalus Gray, Caroline 1956-4-13 Riverside Whitewater Canyon near Whitewater Comment
  UCR18592  Acer negundo John C. Roos 1952-6-25 5790 Riverside Thickets at W end of Fairmont Park, Riverside 260 Comment
  UCR81106  Acer negundo Scott D. White 1993-5-29 1464 Riverside San Bernardino Mtns, Banning Canyon, along the road to Raywood Flat, Yucaipa Ridge 1402 Comment
  RSA494635  Achnatherum coronatum Maureen H. Pendleton 1987-5-20 s.n. Riverside Ca. 0.8 mi. (airline) WSW of town of Anza on Terwilliger Rd. 1280 Comment
  UCD50446  Achnatherum hymenoides John Thomas Howell 1928-3-11 3428 Riverside 6 miles se. of Garnett Station, Colorado Desert, Riverside County. 152 Comment
  RSA770778  Achnatherum speciosum Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4616 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UC1117702  Achnatherum speciosum A. A. Beetle 1946-6-10 4387 Riverside Mt. San Jacinto San Jacinto Mts., Mt. San Jacinto 762 Comment
  HSC85398  Achyrachaena mollis Steve Boyd 1986-4-19 1708 Riverside Temescal Canyon: flats at SE end of Alberhill Mtn. 396 Comment
  CDA23995  Achyronychia cooperi G. D. Barbe 1978-5-2 2371 Riverside Twenty-nine Palms/Mecca exit from eastbound I-10, Cottonwood Springs Road, east of Indio. 0 Comment
  RSA672325  Achyronychia cooperi George B. Grant 1906-5-1 s.n. Riverside Palm Springs, Colorado Desert. Comment
  UCR123832  Achyronychia cooperi Steven R. Hill, K. Kramer 2001-4-27 33492 Riverside Sonoran (Colorado) Desert, N side of Route I-10, W side of Coachella Canal, about 0.1-0.2 mi north of interstate highway, 3 mi east of Indio 9 Comment
  UCR263652  Achyronychia cooperi David Fraker, Aaron C. Sedgwick 2012-3-22 13 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, south of Joshua Tree National Park on both sides of Hwy 177, c. 5 miles north of I-10, c. 3 miles south of the Desert Lily Sanctuary 183 Comment
  SD216482  Acmispon haydonii Jay B. Walker, Noah C. Goldstein 1995-3-21 1267 Riverside West of Palm Desert along highway 79, 3 kilometers east of Pinyon Flat Campground 1200 Comment
  JOTR00879  Acmispon maritimus var. brevivexillus Sipe, Frank 1958-3-7 263 Riverside Joshua Tree National Park. CHOLLA GARDEN Comment
  OBI52764  Acmispon strigosus Steve Myers 1988-2-4 s.n. Riverside Northgate Estates dev, immed NW of Cyn Lake T5S R4W SE1/4, sec 27 488 Comment
  UCR202421  Acourtia microcephala Mike Misenhelter 1998-6-23 s.n. Riverside Peninsular Range; San Jacinto Mtns. Foothills, 35 acre 'Searl Tank' site, foot of the north end of Mica Butte, just SE of the intersection of State St. and Cactus Valley Rd., c. 1 mile south of Hemet 585 Comment
  UCSB37399  Adenophyllum porophylloides Gordon, Patricia 1980-5-18 Riverside Chuckwalla Mtns.; Corn Springs Campground 457 Comment
  SEINET3077253 Image available Adenostoma fasciculatum B. Pitzer 1986-5-24 231 Riverside Whitewater Canyon, ca. 5 mi N of Hwy I-10 on Whitewater Canyon Road. From N edge of hatchery to ca. 0.25 mi N of hatchery boundary. 732 Comment
  POM182209  Adenostoma fasciculatum var. fasciculatum Philip A. Munz 1932-4-24 12394 Riverside San Jacinto Mountains: Snow Creek Canyon 457 Comment
  RSA0117833  Adenostoma fasciculatum var. fasciculatum Sarah J. J. De Groot, Thomas Stoughton 2016-4-20 7808 Riverside Along the Pacific Crest Trail at top of hill just west of the Whitewater Preserve and Whitewater River; southeast foot of San Bernardino Mountains, north of Interstate 15. 830 Comment
  HSC47360  Adenostoma sparsifolium Richard Spjut, C. E. Edson 1978-4-24 4950 Riverside Along Hwy. 71 between jct. of Hwy. 74 and Anza in San Jacinto Mtns. 1372 Comment
  RSA596113  Adenostoma sparsifolium D. L. Banks 1996-11-7 1200 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church., At the end of the main road in the Reservation, 150 m E of the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 579 Comment
  UC1334754  Adenostoma sparsifolium R. S. Woglum 1937-10-20 1185 Riverside Santa Rosa Mts. Comment
  CAS-BOT-BC69645  Adiantum capillus-veneris Louis C. Wheeler 1933-12-1 2295 Riverside Mouth of Tahquitz Canyon, San Jacinto Mts. 152 Comment
  RSA0125179  Adiantum capillus-veneris Duncan S. Bell 2016-10-27 10208 Riverside Whitewater Canyon area; collecting in Rainbow Canyon, 2.75 air miles northwest of the Whitewater Ranger Station (trout ponds). 1024 Comment
  SEINET5641182  Agave deserti var. deserti Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28520 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 759 Comment
  UC29361  Agoseris heterophylla var. heterophylla H. M. Hall 1901-6-1 2038 Riverside meadows of the s side San Jacinto Mountains 1341 Comment
  JEPS36304  Agoseris retrorsa W. L. Jepson May 17 1901-Jun 1 1901 1278 Riverside San Jacinto River Canon; Riverside, Santa Rosa Peak, Palomar Comment
  LA206322  Agrostis scabra F. M. Reed; 1905-7-15 833 Riverside San Bernardino Mountains, Hunsaker Flats 1523 Comment
Read comments
Feb 1 2014
  UCR116074  Alchemilla occidentalis O. F. Clarke, Jeanine Derby 1974-4-13 s.n. Riverside Box Springs Mtns., E side of Box Springs Mtn. Rd. c. 1 mile above Pigeon Pass 686 Comment
  POM14992  Allenrolfea occidentalis Mary F. Spencer 1920-3-15 s.n. Riverside Mecca, Colorado Desert. -48 Comment
  CAS-BOT-BC434485  Allionia incarnata Roxana S. Ferris; Ruth P. Rossbach 1938-5-16 9579 Riverside Mecca Hills 2 miles up Painted Canyon. Comment
  SBBG69673  Allionia incarnata M. N. Ackley 1928-4-3 722 Riverside Clarys Cyn, Coral Reef Ranch 60 Comment
  SD120078  Allionia incarnata var. villosa Louis B. Ziegler 1966-9-13 83 Riverside San Jacinto Mountains, Canyon of Carrizo Creek above Highway #74 crossing. 701 Comment
Read comments
Jul 10 2010
  UCSB748  Allium burlewii Ralph, F. 1959-5-16 Riverside Top of Devil's slide Trail; San Jacinto Mtns. Wilderness area 2621 Comment
  POM368116  Allium cratericola Philip A. Munz, I. M. Johnston 1922-5-21 5512 Riverside Kenworthy, San Jacinto Mountains. 1418 Comment
  RSA367107  Allium haematochiton Ora M. Clark 1929-3-2 1602 Riverside Near Alberhill 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
  RSA500142  Allium lacunosum var. lacunosum Robert F. Thorne, E. W. Lathrop 1975-5-25 45560 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 609 Comment
  CAS-BOT-BC132015  Allium munzii Steve Boyd 1982-4-27 s.n. Riverside Gavilan Hills region, Temescal Canyon west of Horsethief Wash, south of Lee Lake on terrace escarpments just south of Di Palma Road 396 Comment
  SD232282  Allophyllum divaricatum Scott D. White, Junstin M. Wood 2008-6-18 12205 Riverside San Jacinto Mountains: Hiking trail from K flat to Apple Canyon Rd. 1341 Comment
  POM13058  Allophyllum glutinosum E. C. Jaeger 1921-6-13 s.n. Riverside San Jacinto Mountains, McMullen Trail [Banning to McMullen Flat] 1280 Comment
Read comments
Nov 5 2011
  LA204065  Alnus rhombifolia Louis C. Wheeler; 1933-12-2 2301 Riverside San Jacinto Mountains, Tahquitz Canyon 2438 Comment
  SD60432  Alnus rhombifolia Reid Moran 1964-7-27 11856 Riverside Canyon of Santa Margarita River, 2.5 miles south-southwest of Temecula 199 Comment
  UC2030123  Alopecurus aequalis Robert F. Thorne, J. P. Simon, and C. W. Tilforth 1969-6-24 38145 Riverside SAN JACINTO MOUNTAINS: San Bernardino National Forest. Lake Fulmor. Comment
  UCR220336  Alopecurus saccatus D. E. Bramlet 1992-4-29 2257 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto Valley, 8 km SW of Hemet, NW of the intersection of California Ave. and Stowe Rd., c. 250 ft. north of Stowe Rd. and c. 350 ft. west of California Ave. 456 Comment
  UCD169471  Alternanthera philoxeroides J. Zamora; Al Acosta 1999-9-29 s.n. Riverside Riverside, Santa Ana River, under the NW end of the Market St. bridge. 244 Comment
  SEINET10481952  Alyssum alyssoides Tilforth 1980-6-10 TILFORTH 1995 Riverside Common perennial at all elevations in this area but more abundant at 6700 ft, Masses in open sunny places among pinus jeffreyi. Ca 1/2 mi. S of thomas mt. Campground, at summit of thomas mt. Rd., W of hwy 74 and s of lake hemet. 2042 Comment
  UCR103547  Amaranthus albus George K. Helmkamp, E. A. Helmkamp 1998-1-17 2530 A Riverside Coachella Valley, Bob Hope Drive, 0.9 mi south of Hwy I-10 43 Comment
  UCR111747  Amaranthus albus G. S. Nuessly 1980-10-14 s.n. Riverside Riverside: U.C. Riverside campus, above parking lot #6. 274 Comment
  RSA574564  Amaranthus blitoides Steve Boyd 1985-7-23 1009 Riverside De Luz Rd., 7 mi. west of Rancho California. 366 Comment
Read comments
Apr 24 2013
  RSA661035  Amaranthus californicus A. C. Sanders, Mitch Provance 1999-9-26 23080 Riverside McMullen Flat at Valley High County Park, 0.7 mi. SE of Hwy 74 on Twin Pines Ranch Road 1183 Comment
  SEINET959638  Amaranthus powellii A. C. Sanders 1999-1 23104 Riverside Peninsular Range; San Jacinto Mtns.: Graner Valley, along Hwy 74 at Horse Canyon Rd., toward east end of valley (Butterfly Peak 7.5) 1448 Comment
  UCD97750  Amaranthus retroflexus Steve Boyd; Tim Ross, Laurel Arnseth 1989-6-10 3662 B Riverside Vail Lake area, Temecula Creek canyon below the dam. 472 Comment
  UCR176692  Ambrosia acanthicarpa R. D. Goeden, Don W. Ricker 1969-7-31 s.n. Riverside Peninsular Range; San Jacinto Mtns., Lake Hemet, along Hwy 74 south of inlet 1326 Comment
  CAS-BOT-BC22613  Ambrosia dumosa R. F. Hoover 1969-4-11 11219 Riverside Mouth of Morongo Valley Canyon Comment
  HSC78666  Ambrosia dumosa R. F. Thorne, Drs. Fosberg, Herbst, Sachet 1983-4-23 55425 Riverside Mouth of Whitewater Canyon, E of Whitewater Post Office at S end of ridge, in sandy wash E of bridge, and on base of W-facing slope of ridge 412 Comment
  IRVC728  Ambrosia dumosa R. H. Whittaker, W. A. Niering 1963-6-1 SJ 124 Riverside Palms to Pines Hwy, slope NE-30 degrees; open, very rocky, gneiss-gabbroic soil, suffrutescent desert Santa Rosa Mountains 915 Comment
  JOTR31948  Ambrosia dumosa La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2186 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky drainages feeding into southwest Pinkham Wash Comment
  POM41494  Ambrosia dumosa Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  POM4817  Ambrosia dumosa I. M. Johnston 1917-4-4 s.n. Riverside Mouth of Andreas Canyon. 244 Comment
  RSA1223  Ambrosia dumosa B. D. Stark 1930-4-1 773 Riverside San Gorgonio Pass. 457 Comment
  UCR251788  Ambrosia dumosa Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 986 Riverside Southcentral Mojave Desert, Iron Mountains, on southwest side of mountains in drainage on either side of the road 419 Comment
  RSA778882  Ambrosia ilicifolia Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 811 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 396 Comment
  UCR142120  Ambrosia ilicifolia June Latting 1979-3-25 s.n. Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. 488 Comment
  SD138940  Ambrosia pumila Craig Reiser 1993-4-19 Riverside Adjacent to Nichols Road about 400 yards west of Highway I-15 Comment
  SEINET10908528  Ambrosia salsola A. K. Evans 1976-4-13 Evans 5205 Riverside Desert canyons of Santa Rosa Mountains. Comment
  SBBG25159  Ambrosia salsola var. salsola Leota Davidson 1965-5-14 113 Riverside Pinto Wash, Joshua Tree Nat Monument Comment
  SD80050  Ambrosia salsola var. salsola Nancy Ryan Zabriskie, Walter Zabriskie 1970-3-27 271 Riverside Below Andreas Canyon Clubhouse, Andreas Canyon 305 Comment
  RSA653661  Ammannia coccinea A. C. Sanders, Mitch Provance 1999-9-26 23114 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
  UC13273  Amorpha californica var. californica H. M. Hall July 1901 2454 Riverside Tauquitz Valley San Jacinto Mts. 1981 Comment
  CDA7723  Amsinckia intermedia Richard W. Shaffer 2008-2-25 PDR# 1262475 Riverside Themal, Avenue 66 & Pierce Street 0 Comment
Read comments
May 21 2016
  SDSU18969  Amsinckia intermedia C. Matt Guilliams 2008-2-21 462 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 418 Comment
  UCD119702  Amsinckia intermedia R. L. Smith 1948-3-24 s.n. Riverside Foot of Murray Canyon. Comment
  UCR172615  Amsinckia intermedia A. C. Sanders, John F. Green 2006-5-18 32371 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
  UCR20733  Amsinckia intermedia A. C. Sanders, Steve Boyd 1980-5-2 1398 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCSB40909  Amsinckia intermedia Reimer, Neil 1977-5-13 Riverside In Box Springs Mt. Park Comment
  SEINET12280464  Amsinckia intermedia J. F. Bright, Wyman, C. 1933-1 8045 Riverside near Palm Springs Comment
  JEPS61106  Amsinckia menziesii var. menziesii W. L. Jepson 1939-4-17 19123 Riverside 2 mi s on Road to Temecula Corona Comment
  CSUSB994  Amsinckia tessellata Becky Brooks 1973-5-26 S. N. Riverside Corona; app. 250 yards N. of Ontario Highway and 100 yards E. of Comptom Ave. North facing slope of small foothills. 228 Comment
  UCR112968  Amsinckia tessellata B. G. Pitzer, T. Tennant 1998-2-21 3535 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, on the lakebed, 1/2 to 3/4 mi.le SE of the pumping station 412 Comment
  RSA0091429  Amsinckia tessellata I. M. Johnston 1917-4-4 989 Riverside Mouth of Andreas Canyon. 244 Comment
  RSA0091470  Amsinckia tessellata var. tessellata J. Andre 2012-3-19 21313 Riverside Orocopia Mountains; north end of range, 0.5 miles south of junction of Box Canyon Road and I-10 freeway, 23 miles east of city of Coachella. 488 Comment
  CSUSB1819  Anagallis arvensis Deborah Sullivan 1973-7-17 Riverside Pedley, Riverside. 243 Comment
  SDSU14315  Anagallis arvensis Joel Tracey 2002-4-20 11 Riverside Santa Margarita Ecological Reserve, 0.3 mileseast from parking area intersecting Santa Margarita River and Northside Field Station road, on north side of river. Large pool abuting low angle slab. 255 Comment
  UCR16648  Anagallis arvensis S. Riddell 1973-5-17 730517- 10 Riverside Santa Ana Mtns, 0.1 mi west of El Cariso Fire Station on Hwy 74 793 Comment
  RSA191392  Anagallis arvensis Robert F. Thorne 1967-10-27 6674 Riverside 5 mi. NW of Murrieta, Santa Rosa Ranch. Comment
  SJSU15324  Anaphalis margaritacea B. SMith 1986-4-21 39 Riverside 1 mile east of Blair Valley. 975 Comment
Read comments
Aug 19 2015
  SEINET3074906 Image available Anemopsis californica Margaret Ferro 1970-5-16 18 Riverside Santa Ana River bottom by Jurupa Golf Course. 370 Comment
  RSA747964  Anthemis cotula Justin M. Wood 2009-5-15 713 Riverside Romoland, 1/4 mile S of Ethanac Rd, between San Jacinto Rd and Palomar Rd, just S of railroad tracks. 442 Comment
  UCR158325  Anthriscus caucalis A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30072 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  RSA425620  Antirrhinum filipes Anstruther Davidson 1927-04 s.n. Riverside Box Canyon Comment
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Nov 12 2011
  RSA776180  Antirrhinum filipes Amber Swanson 2011-3-20 245 Riverside On Railroad tracks on Summit Rd near the Bradshaw trail 479 Comment
  RSA689388  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. 473 Comment
  SD152972  Apiastrum angustifolium Steve Boyd, Tim Ross and Dave Bramlet 1993-5-12 7344 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
  UC1536044  Apiastrum angustifolium Robert F. Thorne 1973-5-23 45534 Riverside Santa Rosa Plateau, Mesa De Colorado Mesa De Colorado; Santa Rosa Plateau, Mesa De Colorado 609 Comment
  UCR174458  Apiastrum angustifolium A. C. Sanders 2006-5-19 32388 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  POM12858  Aquilegia formosa P. A. Munz 1922-6-24 5807 Riverside Pipe Creek, Hemet Valley 1524 Comment
  RSA482604  Arabis perennans E. C. Jaeger 1922-6-29 s.n Riverside Tahquitz Valley, San Jacinto Mts. 2104 Comment
  UCR54248  Arabis pulchra David Charlton 1988-5-21 1930 Riverside San Jacinto Mtns., Thomas Mtn Rd, west of Garner Valley and south of Lake Hemet on Hwy 74 1829 Comment
  RSA583356  Arabis sparsiflora var. californica Steve Boyd, Darin Banks 1995-3-30 8405 Riverside Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the western edge of the Dripping Springs Alcove in tributary of Kolb Creek just east of the old Woodchuck Truck Trail road grade, just south of the Wilderness boundary. 640 Comment
  SEINET6630449  Arceuthobium campylopodum N. Cooper 1944-7-16 1547 Riverside San Jacinto Mountians. Pine Cove 1524 Comment
  RSA629347  Arctostaphylos glandulosa Jon E. Keeley 1992-11-11 22545 Riverside Hwy 74, 25 km east of Hwy 79 Junction in Hemit. 1220 Comment
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Apr 20 2013
  RSA629434  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16853 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  UCR268273  Arctostaphylos glandulosa Jim Andre 2012-6-15 30514 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243, 8.6 miles south of Hwy I-10 at Banning, just northeast of Hungry Hollow and Poppet Flat 1309 Comment
  POM230829  Arctostaphylos glandulosa subsp. adamsii I. W. Clokey, E. G. Anderson 1935-4-16 6787 Riverside East of Hemet. 630 Comment
  RSA629440  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-16 16570 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  UCR241480  Arctostaphylos glandulosa subsp. mollis Tracy Tennant, Jeffrey Ross 1998-4-9 MOR- 1014 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Wood Canyon, east of upper Potrero Canyon 1305 Comment
  RSA612823  Arctostaphylos glauca D. L. Banks 1997-3-1 1346 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Pechanga Creek, east of the ''Fiesta Grounds'' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation. 423 Comment
  RSA631729  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19291 Riverside Highway 79, at Radec. 580 Comment
  RSA631782  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19275 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA631809  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15067 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA631812  Arctostaphylos glauca Jon E. Keeley 1992-9-27 21802 Riverside Highway 74 at Pinyon Flats, southwest of Palm Desert. 1290 Comment
  RSA701752  Arctostaphylos glauca Steve Boyd, Valerie Soza 2004-6-22 11554 Riverside Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along forest service road 5N13 near 5N06. 1463 Comment
  SD152870  Arctostaphylos glauca Steve Boyd 1992-10-14 7716 Riverside Southern Santa Ana Mountains, northeastern corner of the silderness, south of Elsinore Peak. 975 Comment
  RSA633549  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21782 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633563  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21750 Riverside Dirt road to Santa Rosa Mountain, 1.8 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1605 Comment
  RSA633627  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22662 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA633636  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20133 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633645  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20152 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633713  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16652 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  RSA633761  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22654 Riverside Road to Santa Rosa Mountain. 2000 Comment
  UC21885  Arctostaphylos patula H. M. Hall 1901-6 2419 Riverside Tauquitz Valley San Jacinto Mountains 2438 Comment
  CAS-BOT-BC434238  Arctostaphylos pringlei Tracy Tennant; Mitch Provance 1998-6-16 MOR- 422 Riverside San Bernardino Mtns. Foothills: Morongo Indian Reservation, upper Millard Canyon, north of Cabazon. 1098 Comment
  CHSC90116  Arctostaphylos pringlei subsp. drupacea Donald G. Miller III 1998-7-26 Riverside Santa Rosa Mountain. 2200 Comment
  RSA679988  Arctostaphylos pringlei subsp. drupacea LeRoy Gross, Firoozeh Navid-Ara, Valerie Soza 2003-6-23 1120 Riverside Black Moutain Road (4501), southeast of Black Mountain and northwest of Fuller Mill Creek. 2012 Comment
  SD232672  Arctostaphylos pringlei subsp. drupacea Scott D. White 1996-8-1 4426 Riverside San Jacinto Mts.; Idyllwild area: Hwy 243 at Deer Springs trailhead and adjacent area. S facint mountainside. 1707 Comment
  UC1177957  Arctostaphylos pringlei subsp. drupacea Otto T. Solbrig 1958-3-21 2515 Riverside road from Banning to Idylwild; San Jacinto Mountains, Pine Cone Summit 1920 Comment
  UC1951125  Arctostaphylos pungens Scott D. White, Justin Wood 2009-5-22 12893 Riverside SAN JACINTO MOUNTAINS: Quinn Flat Meadow. USGS Idyllwild 7.5' Quad. Comment
  RSA636022  Arctostaphylos rainbowensis Jon E. Keeley 1992-8-2 18797 Riverside East of Hwy 15, off Rainbow Cyn. Rd., 3 km north of San Diego Co. line. 400 Comment
  UC592913  Argemone munita Carl B. Wolf 1932-4-27 3038 Riverside 3/4 mi w of Utopia (Colorado Desert, Mecca-Blythe Road); Colorado Desert, Mecca-Blythe Road 152 Comment
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Dec 11 2011
  UCR12583  Argemone munita T. Green 1972-4-22 17 Riverside Peninsular Range, Hwy 71, c. 2 mi NE of Aguanga 762 Comment
  UCR3355  Argemone munita Heidi A. Haid 1964-5-10 11 Riverside Hwy 79, c. 1 mi. east of Aguanga 610 Comment
  CAS-BOT-BC207122  Argythamnia lanceolata S. B. Parish 1896-4-4 4141 Riverside Palm Springs, (Agua Caliente) desert base of San Jacinto Mt. 213 Comment
  RSA554067  Aristida adscensionis Megan Phillips 1991-10-17 91 -20 Riverside Palm Springs, Tahquitz debris basin at base of Tahquitz Canyon, off Sunnydunes Drive. Comment
  RSA650402  Aristida adscensionis David B. Dunn, H. Lint 1955-4-1 11840 Riverside Pushawalla Canyon, Indio Hills. Top of the hill on the east side. Comment
  RSA774926  Aristida adscensionis Duncan S. Bell 2011-4-7 2166 Riverside On the east side of the Arica mountains; approximately 2 miles northwest of Priests Well, or approximately 5.2 air miles southwest of the ghost town of Rice. 357 Comment
  UC37469  Aristida adscensionis C. R. Orcutt 1890-4-24 Riverside Colorado Desert Comment
  RSA0043032  Aristida purpurea Duncan S. Bell, Evan Meyer 2014-4-3 6535 Riverside Chuckwalla Mountains; northeast section of range; Spring Tank, approximately 3.25 air miles southeast of Desert Center. 446 Comment
  JOTR29526  Aristida purpurea var. nealleyi La Doux, Tasha 2003-9-4 1576 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Barker Dam 1280 Comment
  RSA0094182  Aristida purpurea var. nealleyi Jim M. Andre 2012-4-11 20698 Riverside Little San Bernardino Mountains; Hidden Tank Picnic Area, 1.4 mi. SW of paved road (Utah Trail) to Cottonwood Spr, approx. 8 mi. south of North Entrance Sta., N. end of Hexie Mtns. 1076 Comment
  UCR58478  Aristida purpurea var. parishii S. J. Myers, Don Mitchell 1989-9-29 s.n. Riverside Peninsular Range, Hemet area, SE corner of Lakeview Mtns., [near] Hwy 74, 0.75 mi west of California Ave. 470 Comment
  JOTR30087  Aristida purpurea var. purpurea La Doux, Tasha, Alice Miller 2007-5-8 1732 Riverside Joshua Tree National Park. Stop 1: Along Key's View Rd. 1385 Comment
  RSA741739  Artemisia californica Michael Wall 2008-12-18 499 Riverside East of Hemet off Bautista Canyon Rd. ca. 0.25 miles east of jct. with Fairview Ave. 591 Comment
  UCR90950  Artemisia californica Scott D. White 1996-2-18 3812 Riverside Perris Basin, Double Butte, NW of Winchester, SE-facing slope of west butte and alluvial soil at base 490 Comment
  CAS-BOT-BC90417  Artemisia douglasiana A. C. Sanders; Kelly Volansky 2003-10-16 27350 Riverside Moreno Valley: lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  CAS-BOT-BC93765  Artemisia ludoviciana subsp. albula Edmund C. Jaeger 1922-4-21 s.n. Riverside Palm Springs, Tacquitz Canyon [Canon] Comment
  UCR215449  Artemisia ludoviciana subsp. albula Tasha La Doux, Jim Andre 2008-9-16 335 Riverside Mojave Desert, Joshua Tree National Park, along Bell Mountain Road atop Bell Mountain, c. 0.3 mi. north of radio tower 1359 Comment
  UCR54453  Artemisia ludoviciana subsp. albula A. C. Sanders, E. J. Lawlor 1988-10-22 8730 Riverside Santa Rosa Mountains, Pinyon Flats area, along the trail from the Dolomite Mine to Horsethief Creek 1200 Comment
  UCR17532  Artemisia ludoviciana subsp. incompta Frank C. Vasek 1979-7-26 s.n. Riverside Santa Rosa Mtns, Vicinity of Virgin Spring and Stump Spring 2348 Comment
  RSA588758  Artemisia tridentata subsp. tridentata Darin L. Banks, Steve Boyd 1995-10-26 0836 Riverside NW Palomar Mountains; Agua Tibia Mountains; Along the Woodchuck Road, N of Woodchuck Campground; Approximately 0.15 miles from Hwy. 79, along a small drainage that crosses the road. 518 Comment
  UCR19688  Arundo donax John C. Roos 1966-9-26 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley; Indio 3 Comment
  UCR4395  Asclepias albicans Frank C. Vasek 1960-3-24 600324- 17 Riverside Western Colorado Desert, Deep Canyon, Palm Desert [Palm Springs Museum's Deep Canyon Sanctuary] Comment
  RSA0104757  Asclepias californica D. L. Banks 1997-2-23 1308 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
  JOTR32397  Asclepias fascicularis Harding, Mitzi 2011-7-18 s.n. 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
  CLARK-A1656-605  Asclepias subulata Jim Cornett 1977-7-10 Riverside Thousand Palms Canyon 137 Comment
  RSA778425  Asclepias subulata Stephanie Rockwood, Christi Gabriel 2011-10-12 88 Riverside Sheephole Valley Wilderness, parallel Cadiz Valley. Unnamed road off highway 62. 242 Comment
  RSA180353  Aspidotis californica E. W. Lathrop 1960-6-7 4863 Riverside 14 miles W of Murrieta Comment
  LA202862  Asplenium vespertinum Lawrence L. Kiefer; 1965-5-1 1530 Riverside Bluff above Temecula Creek, ca. 2 mi. SW of Radec 518 Comment
  SEINET10614343  Aster David B. Dunn 1946-8-17 Dunn 2733 Riverside Round meadow dry hillside among Lodge Pole Pines, San Jacinto Mts. Comment
  CAS-BOT-BC477877  Asteraceae J. H. Thomas 1949-2-28 60 Riverside Southern part of Palm Springs. Comment
  UCR37708  Astragalus aridus A. C. Sanders, J. M. Stewart 1985-3-24 5408 A Riverside Western Colorado Desert, Coachella Valley, flats along Box Canyon Rd. (Hwy 195), 2.5 mi east of Mecca, 0.7 mi east of Grant Street -15 Comment
  UCR108487  Astragalus didymocarpus A. C. Sanders, G. K. Helmkamp, P. J. MacKay, et al 1995-3-19 16188 Riverside Western Colorado Desert, Coachella Valley, Willow Hole, 4 miles south of Desert Hot Springs. 213 Comment
  UC517559  Astragalus didymocarpus var. dispermus John Thomas Howell 1928-3-11 3440 Riverside 6 mi se Garnet Station (Colorado Desert); , se of Garnet Station 152 Comment
  UCR130223  Astragalus douglasii var. douglasii George K. Helmkamp, E. A. Helmkamp 1998-6-27 4120 Riverside Santa Rosa Mountains., Santa Rosa Mountain Road, 5.8 miles southeast of Calif. Hwy 74 1799 Comment
  CAS-BOT-BC178434  Astragalus douglasii var. parishii Peter H. Raven; Sidney R. Snow 1956-7-6 9662 Riverside On deserty roadbanks, 1.5 miles from hemet Road on roat to Aquanga, San Jacinto Mts. Comment
  RSA594759  Astragalus douglasii var. parishii D. L. Banks, Dylan Hannon 1996-5-3 1001 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA415714  Astragalus filipes N. C. Cooper 1944-5-20 1241 Riverside Palms to Pines Hwy., San Jacinto Mtns. 1372 Comment
  UCR137362  Astragalus filipes John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  RSA557889  Astragalus gambelianus Steve Boyd, Orlando Mistretta 1992-4-22 7010 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  UCR174158  Astragalus gambelianus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32601 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  CAS-BOT-BC187105  Astragalus lentiginosus var. borreganus P. A. Munz 1919-3-25 2307 Riverside Whitewater 304 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
  UC397295  Astragalus lentiginosus var. fremontii E. E. Schellenger March 1906 17 Riverside Boulder Well , Boulder Well (Colorado Desert) Comment
  UCR101917  Astragalus pachypus var. jaegeri R. S. Woglum 1941-5-17 3053 Riverside Peninsular Ranges/Sonoran (Colorado) Desert Transition:, Horse Canyon, off Coyote Canyon Comment
  JEPS54841  Astragalus palmeri Marjorie Clary 1934-3-3 Riverside 18 mi w Indio (Carrizo Canyon); , w of Indio 304 Comment
  POM47792  Astragalus palmeri Mary F. Spencer 1918-3-4 743 Riverside Palm Springs. 137 Comment
  RSA27336  Astragalus palmeri C. L. Hitchcock 1940-4-4 5945 Riverside Pinto Basin. Comment
  RSA415658  Astragalus pomonensis N. C. Cooper 1944-5-21 1237 Riverside Hemet. 549 Comment
  UCR150014  Astragalus pomonensis Scott D. White, Angelia Carey 2004-4-16 10161 Riverside San Jacinto Mountain foothills, Indian Creek and adjacent slopes 610 Comment
  RSA90739  Astragalus pomonensis F. W. Peirson 1920-6-22 7696 Riverside Dripping Springs, Temecula River 457 Comment
  CAS-BOT-BC193166  Astragalus sabulonum Edmund C. Jaeger 1922-3-18 s.n. Riverside Entrance to Martinez Canon [Canyon] near Mecca Comment
  RSA627502  Athyrium filix-femina Scott D. White 1998-7-31 6942 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Drive and Hymber Park. 1707 Comment
  UCR187490  Athyrium filix-femina Theresa Johnson 2006-8-23 278 Riverside Peninsular Range; San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  RSA692510  Athyrium filix-femina subsp. cyclosorum Sisson 1930-11-12 20 Riverside San Jacinto Mtns.: Near Idyllwild. Strawberry Creek. 1982 Comment
  CAS-BOT-BC334464  Athysanus pusillus A. C. Sanders; Timothy W. Chumley 2013-4-2 40745 Riverside Peninsular Range: Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd. near I-15 Fwy, SE of Corona (Lee) Lake 377 Comment
  JEPS35956  Atrichoseris platyphylla Marjorie D. Clary 1672 Riverside Aqueduct Road, North Colorado Desert Little San Bernardino Mountains, Colorado Desert 243 Comment
  POM13995  Atrichoseris platyphylla Philip A. Munz, D. D. Keck 1922-4-9 4888 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  RSA480072  Atrichoseris platyphylla Steve Boyd, S. Meury, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2161 Riverside Palen Pass at the north end of the Palen Mountains 500 Comment
  UCR244423  Atrichoseris platyphylla Jim Andre 2012-4-16 20918 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd, 3.1 mi. north of south entrance, 4.1 mi. north of I-10 788 Comment
  UCR52232  Atrichoseris platyphylla Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2161 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  RSA339234  Atriplex canescens R. F. Thorne, Gertrud Dahlgren, R. Dahlgren 1979-8-23 53615 Riverside Corronwood Springs Area Comment
  RSA451006  Atriplex canescens Stephen M. Beckstrom-Sternberg 1985-9-13 1039 Riverside At junction of I-10 and Bob Hope Drive. Palm Springs. Comment
  RSA696732  Atriplex canescens J. R. Bruff 1927-11-26 36 Riverside Cottonwood Springs. Comment
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Sep 20 2011
  UC110326  Atriplex canescens T. S. Brandegee Nov 1891 Riverside Salton Comment
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Sep 11 2011
  UC1136265  Atriplex canescens H. S. Yates 1936-4-7 5414 Riverside Palm Springs San Jacinto Quad., Palm Springs Comment
  JOTR29250  Atriplex canescens subsp. canescens La Doux, Tasha 2005-8-17 1531 Riverside Joshua Tree National Park. Queen Valley, along Bighorn Pass Road 1335 Comment
  RSA773114  Atriplex canescens var. laciniata Thomas Stoughton, Jacqueline McConnaughy, Andrew Monks 2010-10-7 673 Riverside Hwy 177. N of Desert Lily Sanctuary. Palen Valley. 274 Comment
  CLARK-A1528-2537  Atriplex coronata var. notatior John C. Roos 1952-5-14 5668 Riverside San Jacinto River 426 Comment
  RSA532567  Atriplex coronata var. notatior D. E. Bramlet 1991-5-7 2117 Riverside 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
  UCR123604  Atriplex coronata var. notatior D. E. Bramlet 1999-6-26 2814 Riverside Peninsular Ranges; Perris-Aguanga Basin Region, Stowe Rd. vernal pool, c. 7.5 km west of Hemet; 245 m west of California Ave. & 100 m north of Stowe Rd. 455 Comment
  UCR63943  Atriplex coronata var. notatior D. E. Bramlet, A. Parikh 1990-6-14 2036 Riverside San Jacinto Valley, 6.5 km west of Hemet, c. 600 m SW of the intersection of Warren Ave and Florida Street, and 0-50 m east of the MWD 'San Diego Canal 457 Comment
  JOTR36450  Atriplex elegans var. fasciculata La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3420 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  POM47247  Atriplex elegans var. fasciculata Mary F. Spencer 1920-3-12 1508 Riverside Mecca. Colorado Desert -60 Comment
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Sep 7 2011
  RSA0009703  Atriplex elegans var. fasciculata Marcus E. Jones 1903-5-8 s.n. Riverside Indio. -7 Comment
  CAS-BOT-BC172664  Atriplex lentiformis S. B. Parish 1912-10-11 8265 Riverside Dos Palmas 0 Comment
  OBI2984  Atriplex polycarpa Lewis S. Rose 1967-12-19 67177 Riverside La Quinta 15 Comment
  POM279031  Atriplex polycarpa Grant D. Brown 1949-12-14 470 Riverside 2 miles SE of Seven Palms (E. of White Water) Comment
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Apr 20 2013
  RSA737225  Atriplex prostrata Justin M. Wood 2008-9-22 145 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCD97620  Atriplex prostrata O. F. Clarke 1970-9-24 s.n. Riverside Riverside, Santa Ana River bottom, just E of the old Salt Lake R.R. Bridge. 216 Comment
  SEINET4136016  Atriplex rosea Steve Boyd 1991-7-13 6411 Riverside Temescal Canyon, W base of Gavilan Hills, area of old glass factory between Temescal Wash and I-15, just S of Cajalco Rd.; 0 Comment
  SEINET4136176  Atriplex serenana var. davidsonii Steve Boyd 1985-8-7 1116 Riverside Murrieta area, Clinto Kieth Rd., just east of the Bear Creek development golfcourse.; 0 Comment
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Feb 13 2019
  SD211580  Atriplex suberecta Scott D. White 2008-8-20 12537 Riverside Perris Basin: City of Moreno Valley, Perris Boulevard between Krameria and Oleander Streets. (Perris, Sunnymead) 445 Comment
  CAS-BOT-BC213224  Ayenia compacta Annie M. Alexander; Louise Kellogg 1941-5-26 2236 Riverside Monsen Canyon, Eagle Mountains 822 Comment
  POM13848  Azolla filiculoides Edmund C. Jaeger 1921-7-15 1181 Riverside Massacre Canyon, near San Jacinto. Comment
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Nov 5 2011
  RSA615392  Baccharis emoryi A. C. Sanders 1997-11-20 21619 Riverside Lake Skinner area, mouth of Rawson Canyon, just NE of Lake Skinner 457 Comment
  SEINET2045176 Image available Baccharis emoryi A. C. Sanders, S. White & C. L. Sanders 1994-10-9 15819 Riverside Whitewater Canyon, 2 miles below trout farm, above Bonnie Bell: T2S, R3ESE4 S27SW4S26 549 Comment
  CAS-BOT-BC106702  Baccharis salicifolia L. R. Abrams 1926-3-26 11069 Riverside Palm Canyon Comment
  CAS-BOT-BC106740  Baccharis salicifolia Clare B. Hardham 1956-5-9 641 Riverside Banks of San Marcos Creek near Oak Flat Road Comment
  POM350373  Baccharis salicifolia Christopher Davidson, Robert Gustafson 1977-4-7 5577 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. Hillside, N slope 610 Comment
  UCR21852  Baccharis salicifolia Steve Boyd 1980-7-16 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, west edge of the reserve c. 1/4 mile north of the Motte's house 520 Comment
  JEPS40677  Baccharis salicifolia subsp. salicifolia L. M. Newlon 1922-4-3 443 Riverside Andreas Canyon Comment
  CAS-BOT-BC106626  Baccharis salicina J. Ewan 1931-10-3 5216 Riverside River bottom flat, Santa Ana River, 4 mi. N.W. of Corona Comment
  RSA289870  Baccharis sergiloides B. A. Prigge 1980-9-17 4099 Riverside San Bernardino Mts, Whitewater Canyon, 2.5 miles N of interstate 10 549 Comment
  RSA502185  Baccharis sergiloides Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3711 Riverside Vail Lake area, sandy wash draining into Wilson Creek at E end of lake. Comment
  UCR41317  Baccharis sergiloides N. M. Fellows 1984-11-12 33 Riverside San Jacinto Mtns., Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mtn. 489 Comment
  POM4926  Bahiopsis parishii I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon 305 Comment
  SJSU1903  Bahiopsis parishii J. W. Tilden 1957-4-18 1098 Riverside in near vicinity of Whitewater E of San Gorgonio Pass Comment
  UCR244318  Bahiopsis parishii Jim Andre 2012-4-16 20893 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd., 1.0 mi. north of south entrance to J.T.N.P. 584 Comment
  CAS-BOT-BC99957  Baileya pauciradiata L. A. Greata 1905-4-1 425 Riverside Coachella Comment
  RSA48417  Baileya pauciradiata E. K. Balls 1949-4-2 12902 Riverside sand N of Salton on Hwy 111, Colorado Desert -61 Comment
  SBBG65722  Baileya pauciradiata Anstruther Davidson 1895-1 Riverside Palm Springs Comment
  UC80048  Baileya pauciradiata T. S. Brandegee Riverside Colorado Desert Comment
  POM350685  Baileya pleniradiata N. C. Cooper 1949-4-9 3326 Riverside Blythe. 81 Comment
  SBBG25795  Baileya pleniradiata E. R. Blakley 1966-4-9 6753 Riverside jct of US Hwy 60-70 and Wiley Well Rd, ca. 15 mi W of Blythe 121 Comment
  RSA220990  Barbarea orthoceras E. W. Lathrop 1966-3-23 6118 Riverside 4 miles west of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. 610 Comment
  UCR144156  Bassia hyssopifolia Tricia Campbell 2003-12-2 s.n. Riverside Perris Basin, City of San Jacinto, corner of Ramona Blvd. and Sanderson Avenue 442 Comment
  UCR75072  Bebbia juncea A. C. Sanders, E. Lawlor 1992-4-4 12137 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  JEPS32146  Bebbia juncea var. aspera W. L. Jepson 1927-4-11 11626 Riverside Whitewater Bridge 457 Comment
  RSA588839  Bebbia juncea var. aspera Darin L. Banks, Steve Boyd 1995-10-17 0782 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  UCR244893  Bebbia juncea var. aspera Jim Andre 2012-3-19 21373 Riverside Sonoran (Colorado) Desert, Palen Valley along Palen Pass Rd [Coxcomb Monument Rd.] (dirt), 7.1 mi. east of Hwy 177 321 Comment
  CSUSB4  Beloperone californica Wayne White 1975-5-10 s.n. Riverside Chuckwalla Mountains On Highway I-10 near Red Cloud Rd. Colorado Desert; Chuckwalla Mountains. 771 Comment
  POM17943  Berberis dictyota P. A. Munz 1923-6-14 7114 Riverside Trail from Glen Ivy to Santiago Peak Comment
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Oct 22 2011
  RSA550477  Bergia texana D. E. Bramlet 1992-5-15 2286 Riverside San Jacinto Wildlife Area; Drying bed of the old San Jacinto channel, some 610 m. from the intersection of the old channel w/ the new San Jacinto River channel. The site is approximately 790 m. west of Davis Road. 433 Comment
  SD127585  Bernardia incana Robert F. Thorne, Avi Shmida and Robert Whittaker 1978-4-23 52074 Riverside North slope of Santa Rosa Mountains; Bighorn Lookout. Comment
  UC667315  Bernardia incana Annie M. Alexander and Louise Kellogg 1941-5-10 2144 Riverside small canyon 3 mi. n.e. Cottonwood Spring (Eagle Mts.); Colorado Desert, Eagle Mts. 1036 Comment
  RSA482668  Boechera californica T. H. Holmes 1932-3-27 s.n. Riverside Millard Canyon Comment
  JOTR33813  Boerhavia coccinea La Doux, Tasha, B. Truesdell 2007-11-9 3328 Riverside Joshua Tree National Park. Eagle Mountains; south of Munsen Canyon, canyon parallel to and east of Lost Palms Canyon along south park boundary (STOP 4) 649 Comment
  SEINET7048152  Boerhavia coccinea Steven R. Hill 2001-5-3 33653 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
  UC2026402  Boerhavia coulteri Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10051 A Riverside COLORADO DESERT, CHUCKWALLA MOUNTAINS: Northwest base of the range, south of Eagle Mine Road exit on Interstate 10. Comment
  CLARK-A1528-965  Boerhavia erecta var. intermedia Charlotte Stocks 1966-8-24 Riverside 853 Comment
  RSA0076344  Boerhavia triquetra A. C. Sanders, T. B. Salvato 2012-10-12 40403 Riverside Chuckwalla Mountains, Graham Pass, 7.6 km (c. 4.5 mi.) above the road to Chuckwalla Spring on Graham Pass Rd. 387 Comment
  RSA793459  Boerhavia wrightii Duncan S. Bell, John Anderson, Keir Morse 2012-11-11 4375 Riverside Mecca Hills: upper branch of Hidden Spring Canyon, approximately 0.6 air mile southeast of Hidden Spring and 0.6 air mile south of The Grotto. 250 Comment
  CAS-BOT-BC31018  Bolboschoenus maritimus Mitch Provance 2005-5-17 6599 A Riverside Warm Springs Valley: Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, 420 Comment
  UCD150437  Bolboschoenus robustus A. W. Miller 1958-3-8 s.n. Riverside NE corner Salton Sea. Comment
  SEINET3920224  Bouteloua aristidoides N. Duane Atwood 1991-9-9 17077 Riverside 4.8 miles west of Chirachoa Summit along I-10.; 0 Comment
  RSA645638  Bouteloua aristidoides var. aristidoides Scott D. White 1999-4-20 7275 Riverside Blythe Area: Southern foothills of the Big Maria Mts., northwest of Calif. Hwy. 95, ca. 7 road miles north of Interstate 10 / Intake Blvd. jtn. in Blythe. 91 Comment
  RSA792931  Bouteloua barbata Aaron C. Sedgwick, Cody Leslie 2012-9-20 120 Riverside South of 29 Palms Hwy 62 in a wash ~3 mi. east of Chadwick Rd. West of Ironage road ~1500 ft. 243 Comment
  JOTR16775  Bouteloua barbata var. barbata Hogan, J. 1975-9-6 162 Riverside Joshua Tree National Park. 999 Comment
  JEPS42503  Brandegea bigelovii W. L. Jepson 1927-4-12 11671 Riverside Mecca Hills Painted Canyon (Painted Canyon); , Painted Canyon 76 Comment
  OBI4118  Brandegea bigelovii Donald Myrick 1968-3-3 1796 Riverside In wash of Box Cyn E of Mecca 305 Comment
  RSA0124121  Brandegea bigelovii Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8740 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
  RSA207686  Brandegea bigelovii James Henrickson 1969-11-8 4371 Riverside 5 air mi S of Palm Desert near top of Seven Level Hill at scenic stop 671 Comment
  RSA394238  Brandegea bigelovii Christopher Davidson, J. Jones 1980-4-4 9943 Riverside Orocopia Mts. West end of the mountains in a small canyon and wash almost due south of Oro Peak. 518 Comment
  RSA394247  Brandegea bigelovii M. B. Dunkle 1933-3-4 3068 Riverside Painted Canyon 61 Comment
  RSA690989  Brandegea bigelovii Scott D. White, Michael Honer 2003-5-15 9313 Riverside Bajada below Little Maria/ Big Maria Mtns. near Inca RR siding, ca. 15 air miles NW of Blythe. 61 Comment
  UCR269836  Brandegea bigelovii A. C. Sanders, Jim Malusa 2016-3-18 42378 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  RSA708054  Brassica tournefortii Scott D. White, Angelia Carey 2004-4-16 10171 Riverside Indian Creek and adjacent slopes. 549 Comment
  RSA770682  Brassica tournefortii Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4684 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 600 Comment
  UCD114634  Brassica tournefortii G. K. Helmkamp; E. A. Helmkamp 1998-2-18 2723 Riverside Colorado Desert: Chuckwalla Valley; 0.3 mi S of Checkwalla Rd. on Graham Pass Rd. Comment
  UCR272313  Brassica tournefortii Duncan S. Bell 2010-2-21 552 Riverside Eastern Mojave Desert, Palen/McCoy Wilderness area, large drainage on western section of range 452 Comment
  UCR59183  Brassica tournefortii A. C. Sanders, O. F. Clarke 1989-4-5 9034 Riverside Box Springs Mtns, On the E edge of Riverside, at end of the dirt road in Two Trees Canyon Comment
  RSA0042798  Brassica tournefortii A. Lee Haines 1973-3-24 s.n. Riverside Whitewater River Cyn. 426 Comment
  CLARK-A1528-1671  Brickellia desertorum John C. Roos 1947-11-1 3752 Riverside Eagle Mountains Comment
  RSA444676  Brickellia desertorum J. C. Roos 1965-9-12 s.n. Riverside Tin Mine Canyon, 3 mi. SW of Corona. 549 Comment
  RSA48847  Brickellia desertorum J. C. Roos 1949-9-21 4665 Riverside E slope of rocky ridge in pass between Reche Canyon & Pigeon Pass 457 Comment
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Dec 5 2014
  UCR163887  Brickellia desertorum B. G. Pitzer 2001-11-4 4350 Riverside Peninsular Range; Santa Rosa Mountains, Carrizo Canyon, sheep guzzler c. 0.5 mi. SW of where Hwy 74 crosses canyon 701 Comment
  UCR154541  Brodiaea Jason L. Hlebakos 2005-5-18 708 Riverside Santa Rosa Plateau, Mesa de Burro in the research area 602 Comment
  CAS-BOT-BC174244  Bromus berteroanus A. C. Sanders; T. B. Salvato; Matthew Malle; Jonas Winbolt; Katie A. Kurtz 2010-3-31 37668 Riverside Peninsular Range; foothills of Gavilan Hills: Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, N of Temescal Canyon Rd. and NW of Concordia Ranch Rd., NW of horse racing track 375 Comment
  UCR2204  Bromus carinatus F. M. Reed 1920-6-14 4415 Riverside San Jacinto Mountains, ['Sheer'?] meadows along Strawberry Creek [at Idyllwild] 1616 Comment
  UCR44200  Bromus carinatus A. C. Sanders 1986-6-1 6539 Riverside San Jacinto Mtns., trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista road [=Apple Canyon Rd.] 1829 Comment
  UCR88229  Bromus catharticus A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16073 Riverside Sonoran (Colorado) Desert, Coachella Valley, agricultural area along Ave. 78, 0.4 mi west of Hwy 86 and1.5 mi NW of Oasis, east of Filmore St. -37 Comment
  RSA522269  Bromus diandrus Steve Boyd, D. E. Bramlet, Harry Spilman 1989-4-30 3515 Riverside Gavilan Hills, Harford Springs County Park on the N edge of the Gavilan Plateau, E of Gavilan Creek 610 Comment
  SDSU13932  Bromus diandrus Michael G. Simpson, Adrienne Russell 2000-4-29 2072 Riverside Rocky ridge, ca. 100 feet SSW of Northside field station, Santa Margarita Ecological Reserve (SDSU). 366 Comment
  RSA739554  Bromus grandis A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35664 Riverside May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  UCR96413  Bromus grandis Scott D. White 1996-8-1 4442 Riverside San Jacinto Mtns., Idyllwild area: north of Strawberry Valley, between Bear Trap Canyon and Lily Creek 1616 Comment
  SEINET180925 Image available Bromus hallii Neal F. Childs 1912-9-16 55 Riverside Vicinity of Keen Forest 1615 Comment
  UCR22059  Bromus hordeaceus Steve Boyd 1980-4-13 124 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  RSA507961  Bromus marginatus Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2279 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. 1500 Comment
  POM363961  Bromus rubens Ora M. Clark 1929-2-23 1531 Riverside South Cabazon. Comment
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Mar 13 2011
  UCR229274  Bromus rubens Ginny Short 2011-3-23 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley; Pushwalla Canyon, c. 11 miles east of Cathedral City 183 Comment
  UCR233068  Bromus rubens Edith B. Allen 2012-2-6 212- 03 Riverside Peninsular Range; Gavilan Hills Area, south side of Lake Mathews, 1.36 km SE (131 deg. ) of intersection of Cajalco Rd. and La Sierra Ave. 441 Comment
  UCR234336  Bromus rubens A. C. Sanders, John F. Green 2012-3-26 39998 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, mouth of a small canyon between Horsethief Canyon and I-15 Fwy crossing of Temescal Wash, west of Hostettler Rd. 369 Comment
  UCR264745  Bromus tectorum Steve Boyd, Carol Boyd 2011-3-29 12305 Riverside Transverse Ranges; San Bernardino Mountains, southeast end of range in south branch of Mission Canyon, just upstream from confluence with north branch 762 Comment
  POM295559  Caesalpinia virgata Lyman Benson, Robert Benson 1952-4-8 14858 Riverside Colorado Desert. 2 miles west of Shaver Summit, east of Indio, US 66. Colorado Desert Drainage Area. 610 Comment
  UC68616  Caesalpinia virgata L. A. Greata Apr. 1905 428 Riverside Coachella Comment
  UC82886  Calandrinia ambigua S. B. and W. F. Parish 1884-4-5 1188 a Riverside Indio Comment
  UCR166160  Calandrinia ciliata 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
  RSA33865  Calocedrus decurrens N. C. Cooper 1943-9-11 908 Riverside Dr. Robert L. Rutherford's Lot, Idlewild, 1676 Comment
  UCSB16252  Calocedrus decurrens Gates, C. 1963-5-4 Riverside In Montane Forest, Banning to Idyllwild Road, about 2 mi. S of turnoff to Black Mountain Campground, San Jacinto Mountains 2133 Comment
  CAS-BOT-BC488540  Calochortus concolor H. M. Hall 1901-6-1 2103 Riverside Eastern base, along the borders of the Colorado Desert; San Jacinto Mountains, Southern California Comment
  UCR16067  Calochortus splendens Anna Mayers 1978-4-10 s.n. Riverside Lake Mathews, 1.6 mi south of the junction of La Sierra and Cajalco Comment
  UCR48395  Calycadenia tenella Steve Boyd 1986-5-1 1794 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  JOTR31125  Calycoseris parryi La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 2507 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Ridgeline south of Quail Mountain peak with steep, north facing slopes (Stop 4) Comment
  RSA0117559  Calycoseris parryi Jim M. Andre 2015-3-6 33567 Riverside Coachella Valley: far NW corner of valley, 0.5 mi west of Hwy 62 (at mouth of Dry Morongo Wash), 0.3 mi. north of Kolbe Rd (dirt). 560 Comment
  CDA10589  Calycoseris wrightii T. C. Fuller 1963-4-23 10284 Riverside Box Canyon Wash, Mecca-Blythe Road (Highway 195), 11.8 miles northeast of Mecca. 0 Comment
  UCR148456  Calycoseris wrightii 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
  UCR279515  Calycoseris wrightii A. C. Sanders, Jim Malusa 2017-3-27 43102 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
  SEINET7063439  Calyptridium monandrum A. G. Vestal 1947-3-30 s.n. Riverside About 4.2 miles west of Sage in Tucalota Valley on East Benton Road. UTM Zone 11, 501405mE, 3715115mN. (WGS84/NAD83). 561 Comment
  UC851946  Calyptridium monandrum I. W. Clokey 1935-4-18 6616 Riverside Gavila Mesa 600 Comment
  SDSU17509  Calyptridium monospermum C. Matt Guilliams, Michael and Lori Simpson, Mike Silveira 2007-6-26 378 B Riverside San Jacinto Wilderness State Park, Round Valley Campsite. Ca. 50 meters east of stone buildings near trail junction, along west edge of Round Valley. 2755 Comment
  RSA781359  Calystegia macrostegia A. C. Sanders, T. B. Salvato 2011-4-1 38956 Riverside Lake Elsinore, off Baker St. NW of intersection with Bromley Ave., north of second house from intersection, 0.55 km NW of Hwy 74 404 Comment
  UC50356  Calystegia macrostegia H. M. Hall Apr., 1903 3802 Riverside vicinity Riverside; vicinity of Riverside 365 Comment
  RSA0045158  Calystegia macrostegia Andrew Haimov, April Sleigh 1992-5-12 90 Riverside West side of Davis Road, 50 meters north of Allessandro Road, border of San Jacinto Wildlife Area. Comment
  SBBG54338  Calystegia macrostegia subsp. arida C. Davidson 1977-5-25 5655 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  UCR113900  Calystegia macrostegia subsp. arida Mitch Provance 1998-4-13 432 Riverside City of Riverside, Hillside area, near Central Ave., along the N periphery of the Riverside Airport, south of the Wall Street Journal. 250 Comment
  UCR207596  Calystegia sepium subsp. binghamiae O. F. Clarke 2004-5-31 s.n. Riverside San Bernardino Valley Region, Riverside, along Spring Brook on the west side of Fairmont Park 238 Comment
  RSA0040100  Camissonia arenaria Duncan S. Bell, LeRoy Gross 2014-3-13 6244 Riverside Orocopia Mountains; southern section of range; approximately 1.9 air miles west northwest of Clemens Well. 285 Comment
  RSA465921  Camissonia bistorta Ora M. Clark 1929-3-2 1604 Riverside Near Alberhill. Comment
  UCR51021  Camissonia bistorta S. J. Myers 1988-2-24 s.n. Riverside Peninsular Range, Temescal Canyon, about 0.25 mi west of intersection of Hwy I-15 and Indian Truck Trail 381 Comment
  UCR163936  Camissonia boothii A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29136 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  UCR227446  Camissonia boothii Thomas R. Stoughton, J. McConnaughy, D. Monks, M. Volke 2010-4-22 165 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
  SEINET3093151 Image available Camissonia boothii subsp. desertorum George K. Helmkamp, E. A. Helmkamp 1998-2-18 2743 Riverside Chuckwalla Mtns: Graham Pass Rd, 10.6 mi SSW of Chuckwalla Valley Rd. [UTM 10km cell:PH-7E, 0N. Graham Pass] 488 Comment
  SEINET3093066 Image available Camissonia brevipes P. Leary 1975-3-13 980 Riverside Joshua Tree National Monument: Pinto Wash southwest of Pinto Mountains 549 Comment
  RSA145183A  Camissonia brevipes subsp. brevipes E. G. Linsley, J. W. MacSwain 1960-3-2 60 -6 Riverside Colorado Desert, 2 miles west of Desert Center. Comment
  RSA201058  Camissonia brevipes subsp. brevipes Carl B. Wolf 1932-4-27 3013 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  RSA504968  Camissonia brevipes subsp. brevipes D. Charlton 1988-2-18 1150 Riverside Little San Bernardino Mountains. south side of range. Fargo Canyon Road to Cottonwood Wash, S of Joshua Tree National Monument, parallel to I-10. 5 miles E of Junction of Dillon Road and Fargo Canyon Road. 762 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
  UCR133410  Camissonia californica Jeffrey Ross, T. B. Salvato 1998-6-9 MOR- 324 A Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Lion Canyon, c. 3.5 miles NNW of Cabazon 854 Comment
  POM37752  Camissonia campestris subsp. campestris Marcus E. Jones 1882-4-24 3168 Riverside San Jacinto Comment
  RSA0029396  Camissonia campestris subsp. campestris Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4680 Riverside Sonoran Desert: Chuckwalla Valley, active sand dunes +/- 7.25 miles northeast of Desert Center, +/- 3.0 miles E of SR-177, and +/- 1.0 mile N of abandoned Jojoba farm. 149 Comment
  CSUSB193  Camissonia claviformis Glen W. Forister 1967-4-2 Riverside Northwest edge of Palm Springs near Farrell Drive and Alejo Drive. 170 Comment
  POM38527  Camissonia claviformis subsp. aurantiaca Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. Comment
  RSA101675  Camissonia claviformis subsp. aurantiaca T. C. Porter 1888-2-28 s.n. Riverside California--Colorado Desert on Salt Creek, on the South Pacific Railroad -69 Comment
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Feb 3 2011
  UCR263506  Camissonia claviformis subsp. aurantiaca David Fraker, Aaron C. Sedgwick 2012-3-22 019 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, south of Joshua Tree National Park on both sides of Hwy 177, c. 5 miles north of I-10, c. 3 miles south of the Desert Lily Sanctuary 183 Comment
  UC20422  Camissonia confusa H. M. Hall 1901-6-24 Riverside Fullers Mill San Jacinto Mountains (canyons of w side of mts.) 1767 Comment
  UCR43415  Camissonia confusa D. C. Hawks 1986-4-16 s.n. Riverside San Bernardino Mtns / Sonoran (Colorado) Desert, Alta Mesa wind turbine field, on the ridge above Whitewater Canyon, west of Bonnie Bell 915 Comment
  RSA543580  Camissonia graciliflora Steve Boyd 1991-5-7 6162 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  RSA503  Camissonia hirtella J. T. Howell 1927-8-2 565 Riverside Near Strawberry Valley, Mt. San Jacinto. 1677 Comment
  RSA75432  Camissonia hirtella F. W. Peirson 1924-7-29 5022 Riverside Road between Banning and Idyllwild. 1768 Comment
  RSA180504  Camissonia ignota E. W. Lathrop 1959-4-16 4475 Riverside 14 miles W of Murrieta. Tenaja plateau. Comment
  UCR251711  Camissonia ignota T. B. Salvato 2014-4-9 7837 Riverside Perris-Aguanga Basin, Menifee, c. 4 mi southeast of Canyon Lake, northeast corner of Bundy Canyon Road and Sunset Avenue 534 Comment
  CSUSB867  Camissonia micrantha Kirby W. Brown 1966-3-10 Riverside Highway 111, 8.4 miles northwest of Palm Springs 304 Comment
  SDSU3385  Camissonia micrantha H. Wedberg 1958-4-4 227 Riverside 1.4 miles west of Hwy 60 x Van Buren Ave., on Hwy 60. Cleistogamous. Comment
  RSA339311  Camissonia pallida subsp. pallida Robert F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge. 1980-4-16 54050 Riverside Along Whitewater River, E of bridge and levee. Comment
  RSA691087  Camissonia pallida subsp. pallida Scott D. White 2001-4-18 8356 Riverside Coachella Valley: Palm Springs. NE corner of Sunrise Dr. and San Raphael Dr. (Palm Springs) 152 Comment
  UCR269111  Camissonia pallida subsp. pallida Orlando Mistretta, Duncan S. Bell, et al. 2010-4-12 4465 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 488 Comment
  RSA692197  Camissonia refracta Scott D. White, Michael Honer 2003-5-14 9296 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  RSA735318  Camissonia refracta Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11283 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  UCR26226  Camissonia refracta John C. Roos 1947-2-15 3266 Riverside Sonoran (Colorado) Desert, Lost Palms Canyon, south face of Eagle Mtns., west of Hayfield Dry Lake 997 Comment
  UCR75091  Camissonia refracta A. C. Sanders, E. J. Lawlor 1992-4-4 12099 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UC56464  Camissonia strigulosa H. M. Hall 1902-4-7 2755 Riverside vicinity of Riverside 457 Comment
  UCR59526  Camissonia strigulosa Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3604 Riverside Butterfield Valley, Vail Lake area, Kolb Creek drainage, N extension of Woodchuck Road, north of Hwy 79 489 Comment
  UCR80819  Camissonia strigulosa Scott D. White 1993-5-29 1456 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1372 Comment
  UC20506  Camissoniopsis bistorta Geo. F. Reinhardt June 1897 Riverside San Jacinto Valley Comment
  UCD103430  Camissoniopsis bistorta R. N. Raynor 1933-3-31 s.n. Riverside Moreno Valley near Eden Post Office. Comment
  UCR166107  Camissoniopsis pallida subsp. pallida A. C. Sanders, K. C. Rose 1995-4-5 16363 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  UC1254603  Carex douglasii James E. Cole 1941-5-17 726 Riverside Covington Flat Joshua Tree National Monument, Covington Flat 1584 Comment
  CAS-BOT-BC20701  Carex fracta C. Epling; Wm. Robison 1935-6-29 s.n. Riverside Mt San Jacinto. Marion Peak. Comment
  SBBG59305  Carex multicaulis R. Hoffmann 1929-9-8 Riverside San Jacinto Mtns 2133 Comment
  RSA776704  Carex multicostata Steve Boyd, Gary D. Wallace 2005-7-30 11652 Riverside San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2659 Comment
  CAS-BOT-BC94055  Carex sartwelliana Peter F. Zika; Nick Otting; Kate Kramer 2010-8-6 25301 Riverside bridge over N Fork San Jacinto River, Dark Canyon, at campground, San Jacinto Mountains (SnJt) 1785 Comment
  POM122859  Carex sartwelliana Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  JOTR32403  Castela emoryi Harding, Mitzi, A. Benton 2011-7-13 17 Riverside Joshua Tree National Park. West Coxcomb Mountains; north-facing slope of small rocky foothills just above large bouldery wash 424 Comment
  UC406687  Castela emoryi Marcus E. Jones, A. M. 1929-9-16 24994 Riverside Hayfields , Hayfields (near Desert Center) Comment
  JEPS8558  Castilleja affinis subsp. affinis Rimo Bacigalupi with J. F. MacBride and Ruth D. Sanderson 1952-4-1 3595 Riverside 12 mi w Aguanga (along State Highway 71, se end of Pauba Valley); Pauba Valley 426 Comment
  JEPS9794  Castilleja applegatei subsp. martinii C. V. Meyer Jun 1927 167 a Riverside Saunders Meadow San Jacinto Mt. 1676 Comment
  POM312121  Castilleja applegatei subsp. martinii N. C. Cooper 1944-6-17 1418 Riverside San Jacinto Mountains: above Banning. 1372 Comment
  UCR60718  Castilleja densiflora subsp. gracilis K. Tomlinson, D. Kama, R. F. Thorne 1985-3-27 888 Riverside Santa Rosa Plateau, Mesa de Colorado 610 Comment
  UCR25605  Castilleja exserta John C. Roos 1941-4-19 173 Riverside Peninsular Range, Loma Linda Hills/Box Springs Mtns.; plateau in Reche Canyon 671 Comment
  JEPS8770  Castilleja foliolosa W. L. Jepson May 17 1901-Jun 1 1901 1417 Riverside VanDeventer's Ranch Santa Rosa Mts., Vandeventer Flat 1493 Comment
  UCD122491  Castilleja foliolosa K. Esau 1935-6-20 s.n. Riverside Beaumont Grade. Comment
  UCD122503  Castilleja foliolosa C. L. Hitchcock 1966-3-15 24164 Riverside About 10 miles n.e. of Temecula. Comment
  UCR100041  Castilleja foliolosa Scott D. White 1994-4-23 2050 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
  RSA786951  Castilleja stenantha Robert F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49550 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons Comment
  UC1492738  Caulanthus hallii Freed W. Hoffman 1950-4-26 3404 Riverside road to Santa Rosa Spring on El Toro Mt. (a branch of Palms-to-Pines Highway 74, 1.2 mi from Highway 74); road to Santa Rosa Spring on El Toro Mt. Comment
  UC1608300  Caulanthus heterophyllus Steve Boyd, Tim Ross, and Orlando Mistretta 1992-2-26 6700 Riverside San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon; Santa Ana Mountains, San Mateo Cyn Wilderness Area 304 Comment
  UCR213544  Caulanthus heterophyllus Michael Honer 2003-4-16 1832 Riverside Peninsular Range, Gavilan Hills, west slope, about 1 mile north of I-15 Fwy, 1 mi. east of Lake St. exit, on and around peak 2349 716 Comment
  UCR67354  Caulanthus heterophyllus Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4093 Riverside Peninsular Range, Vail Lake Area, E flank of Oak Mtn, just south of E summit. 701 Comment
  OBI42562  Caulanthus simulans A. C. Sanders 1986-6-1 6557 Riverside San Jacinto Mtns, along the trail toward Spitler Peak from the Hurkey Creek camp to Bonita Vista road 1707 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
  POM13823  Ceanothus crassifolius P. A. Munz 1922-4-28 5049 Riverside Leach Canyon, Santa Ana Mountains 762 Comment
  RSA3119  Ceanothus crassifolius Carl B. Wolf 1932-2-11 2648 Riverside Hidden Canyon 5 mi. W. of Corona at base of Santa Ana Mts. 405 Comment
  RSA606769  Ceanothus crassifolius Jon E. Keeley 1996-5-5 27360 Riverside Chaparral S of Hwy 79 on Woodchuck Rd., E of Temecula. 183 Comment
  RSA1793  Ceanothus greggii var. perplexans Carl B. Wolf 1931-5-11 1944 Riverside Near Pipe Creek, above Hemet Valley. 1677 Comment
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Mar 24 2011
  RSA161276  Ceanothus leucodermis Peter H. Raven 1959-5-17 14230 Riverside Lake Fulmor, San Jacinto Mtns. Comment
  RSA180282  Ceanothus leucodermis E. W. Lathrop 1965-4-4 5642 Riverside 8 miles west of Murrieta-Tenaja Range. Comment
  RSA586046  Ceanothus leucodermis D. L. Banks, S. D. Boyd 1995-3-16 98 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage. 549 Comment
  RSA59193  Ceanothus leucodermis Frank W. Gould 1943-4-18 2139 Riverside On rocky slopes in Ponderosa Pine Forest, east of Idyllwild. Comment
  UCR35172  Ceanothus leucodermis L. B. Ziegler 1970-5-25 407 Riverside San Jacinto Mtns., On floor and slopes of the Hemet Valley [Hemet Valley = Garner Valley] 1402 Comment
  RSA0018960  Ceanothus leucodermis N. C. Cooper 1944-6-17 1444 Riverside San Jacinto Mtns. Pine Cove. 1524 Comment
  SBBG119993  Ceanothus oliganthus var. sorediatus A. C. Sanders with M. Misenhelter 2005-3-23 29265 Riverside E slope of Squaw Mtn, Avenida Escala just above Avenida Caleta, N of Tenaja Rd; Santa Rosa Plateau 701 Comment
  UC473561  Ceanothus oliganthus var. sorediatus John Thomas Howell 1931-5-30 6606 Riverside Santiago Peak Trail Santa Ana Mts. Comment
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Sep 19 2010
  CAS-BOT-BC51647  Ceanothus ophiochilus Steve Boyd; Tim Ross 1993-3-28 7918 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, 883 Comment
  RSA570553  Ceanothus ophiochilus Steve Boyd, Chris Frazier 1993-4-24 8012 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. 1000 Comment
  RSA606743  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27406 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
  UCR68476  Ceanothus ophiochilus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3097 Riverside Peninsular Range, Vail Lake area, 1 mi. west of lake 640 Comment
  UCR131678  Ceanothus palmeri C. B. Wolf 1941-8-12 11142 Riverside San Jacinto Mtns., 3.5 miles NW of Idyllwild on Dark Canyon Road 1829 Comment
  UCD112521  Ceanothus perplexans Richard Bates 1949-5-21 s.n. Riverside Hemet Lake area, meadow on the way to Pinon Flats, San Jacinto Mtns. Comment
  RSA552723  Ceanothus tomentosus subsp. olivaceus Steve Boyd, Tim S. Ross, Orlando Mistretta 1992-3-31 6765 Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 670 Comment
  RSA278302  Ceanothus tomentosus var. olivaceus C. W. Tilforth, Walter Wisura 1979-5-23 1804 B Riverside Murrieta-DeLuz Rd., ca. 2 air miles south of Murrieta. 335 Comment
  RSA91826  Cenchrus echinatus F. W. Peirson 1937-11-27 12246 Riverside La Quinta, Coachella Valley. 0 Comment
  CDA7293  Centaurea X pouzinii F. J. Willmarth 1960-6-2 Riverside Old Fuller Rancho, near Corona. 0 Comment
  RSA741579  Centaurea melitensis Scott D. White, Justin M. Wood 2008-6-17 12174 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  UC63138  Centaurea melitensis H. M. Hall 1900-6-1 Riverside Riverside Comment
  RSA683882  Centromadia pungens subsp. laevis Barry L. Jones 2003-5-29 s.n. Riverside USGS quad. For Wildomar & Lake Elsinore, Lake Elsinore area, just north of the intersection of Corydon Road & Grand road. Comment
  SD243094  Centromadia pungens subsp. laevis Jeremiah George 2012-7-9 Riverside San Timoteo Canyon, west side of San Timoteo Canyon Road, NE corner of Fisherman's Retreat Lake (El Casco 7.5'Q) 597 Comment
  HSC24846  Centrostegia thurberi James Henrickson 1971-5-29 5573 Riverside 15 mi. SW of Twentynine Palms, 2.5 mi. N of Salton View in Joshua Tree National Monument 1280 Comment
  RSA674918  Cerastium glomeratum Scott D. White 2000-5-1 7738 Riverside Corona: Western foothills of Santa Ana Mountains near Bedford Canyon. 351 Comment
  POM29669  Cercidium floridum Marcus E. Jones 1906-4-27 sn Riverside Indio. Comment
  RSA623939  Cercidium floridum Arthur R. Kruckeberg 1939-8-11 150 Riverside 10 miles S of Indio, Coachella Valley Comment
  JEPS45709  Cercidium floridum subsp. floridum W. L. Jepson 1912-10-28 5239 Riverside Colorado River Riverside Mts. (mesa) Comment
  UC61576  Cercidium floridum subsp. floridum Miss Mary McKibben 1904-1 Riverside Mecca Colorado Desert Comment
  POM12099  Cercocarpus betuloides Mary F. Spencer 1921-6-8 1682 Riverside Idyllwild 1616 Comment
  CAS-BOT-BC135454  Cercocarpus betuloides var. betuloides C. B. Wolf 1931-5-11 1950 Riverside Rocky ridges near Pipe Creek, above Hemet Valley - San Jacinto Mts. 1676 Comment
  JOTR30769  Cercocarpus betuloides var. betuloides La Doux, Tasha, Mike Bell, Katy Matthews 2007-4-4 1884 Riverside Joshua Tree National Park. Little San Bernardino Mountains: (Stop 6) Smith Water Canyon 1264 Comment
  RSA773041  Cercocarpus betuloides var. betuloides Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5040 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. 732 Comment
  UC64540  Cercocarpus betuloides var. betuloides H. M. Hall 1897-4-17 473 Riverside Beaumont Comment
  RSA522775  Cercocarpus minutiflorus Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3882 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
  UCR167261  Chaenactis carphoclinia 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
  UCR251908  Chaenactis carphoclinia Jim Andre 2013-3-27 24837 Riverside NE Colorado Desert, Riverside Mountains, Agnes Wilson Rd. west of crossing of Colorado River, 0.8 mi east of Hwy 95, 12.4 mi south of Vidal Junction 115 Comment
  RSA152460  Chaenactis carphoclinia var. carphoclinia Rimo Bacigalupi, L. R. Heckard 1953-5-5 4071 Riverside Canyon sides along Morongo Creek, along Hwy between Morongo Valley and Coachella Valley, alt 2250ft. 686 Comment
  SD28012  Chaenactis carphoclinia var. carphoclinia Carl B. Wolf 1932-4-29 3111 Riverside Eastern Colorado Desert. Blythe -- Rice Road. 9 miles south of Browns Well. 244 Comment
  CAS-BOT-BC276934  Chaenactis fremontii R. F. Hoover 1969-4-11 11211 Riverside Mouth of Morongo Valley Canyon Comment
  RSA314651  Chaenactis fremontii R. F. Thorne 1983-4-23 55491 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  RSA80990  Chaenactis fremontii G. R. Campbell 1952-4-5 18376 Riverside Colorado Desert, road leading from Highway 60 to 29 Palms [Hwy 62], at junction to Desert Hot Springs 762 Comment
  UCR272435  Chaenactis fremontii Cheryl Sevilla, Sarah J. De Groot 2015-3-16 019 Riverside San Bernardino Mountains, San Gorgonio Wilderness Area, plain to the east of Mission Creek, 0.4 mile northwest of the Stone House 2309 Comment
  UCR682  Chaenactis fremontii S. C. Warner 1956-4-28 s.n. Riverside Sonoran Desert, Small canyon in hills east of Morongo Wash Road Comment
  UCSB6421  Chaenactis fremontii Foley, Marie 1953-4-23 Riverside White Water Canyon, Colorado Desert Comment
  UCSB69915  Chaenactis glabriuscula Cowan, Clark 1978-4-24 Riverside 2.1 mi. (3.3 km.) off Ave. 66 on a dirt road, 1.3 mi. (2 km.) on Ave. 66 from Hwy. 86; Lake Cahuilla Comment
  JEPS82355  Chaenactis glabriuscula var. glabriuscula L. R. Heckard 1969-4-24 2163 Riverside about 7 mi s of Sage (along Highway 79) Comment
  POM122831  Chaenactis glabriuscula var. glabriuscula Marcus E. Jones 1926-5-29 s.n. Riverside South of Temecula. Comment
  UC1392834  Chaenactis glabriuscula var. glabriuscula R. F. Hoover 1968-6-7 11158 Riverside Head of St. Johns Canyon Comment
  JEPS30496  Chaenactis stevioides Peter H. Raven 1958-1-24 11471 Riverside 4.5 mi n of State Highway 195 (on road to Cottonwood Springs) Comment
  JOTR35466  Chaenactis stevioides Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 69 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats (stop4) Comment
  UCR244414  Chaenactis stevioides Jim Andre 2012-4-16 20909 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd, 3.1 mi. north of south entrance, 4.1 mi. north of I-10 788 Comment
  UCR29848  Chaenactis stevioides George K. Helmkamp 1983-3-24 383- 20 Riverside Sonoran (Colorado) Desert, north base of the Little Chuckwalla Mountains, 1.5 miles east of Graham Pass Road 336 Comment
  UC536795  Chamaesyce micromera Louis C. Wheeler 1931-11-26 369 Riverside Colorado Desert, Salton Bench Mark -15 Comment
  SBBG118575  Chamaesyce parishii L. C. Wheeler 1952-4-5 6850 Riverside near cynyn E of Painted Cyn Comment
  POM432476  Chamaesyce pediculifera M. B. Dunkle 1933-5-6 3449 a Riverside Painted Canyon 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
  RSA552714  Chamaesyce polycarpa Steve Boyd, T. S. Ross, Orlando Mistretta 1992-2-25 6683 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Tril from junction 7S04 & 7S01 upstream to southern end of Potrero de la Cienega, but primarily about Tenaja Falls. 396 Comment
  SFV11875  Chamaesyce polycarpa 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
  UC1007177  Chamaesyce polycarpa Philip A. Munz 1940-3-23 15672 Riverside Dale rd to Cottonwood Springs south base of Pinto Mtns 609 Comment
  POM2680  Chamaesyce polycarpa var. hirtella I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon . Comment
  RSA655094  Chamaesyce polycarpa var. polycarpa Scott D. White 2000-4-17 7653 Riverside Menifee / Sun City Area: South of McColl Ave. and east of I-215 freeway. 442 Comment
  RSA433502B  Chamaesyce setiloba Christopher Davidson, Josephine Jones 1980-4-4 9947 Riverside Orocopia Mts. West end of the mountains in a small canyon and wash almost due south of Oro Peak. 518 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
  RSA645582  Cheilanthes covillei Scott D. White 1996-8-15 4460 Riverside San Jacinto Mtns. Idyllwild Area: Alvin Meadows and unnamed canyon upstream. 1524 Comment
  UCD137422  Cheilanthes covillei Geoffrey Levin 1976-3-27 697 Riverside Hills on south side of Chino Canyon. West of Palm Springs. San Jacinto Mts. 457 Comment
  UCR90965  Cheilanthes newberryi Scott D. White 1996-2-18 3809 Riverside Perris Basin, Double Butte, NW of Winchester, SE-facing slope of west butte and alluvial soil at base 490 Comment
  RSA0015689  Cheilanthes parryi Duncan S. Bell 2013-9-29 6047 Riverside Chuckwalla Mountains; on the south side of Corn Springs Wash approximately 1.8 air miles southwest of Corn Spring. 648 Comment
  UC1495274  Cheilanthes parryi Robert T. Clausen and Harold Trapido 1940-6-18 4676 Riverside mouth of Chino Canyon Comment
  UCR261439  Cheilanthes parryi Joseph Cahill 2011-1-29 111- 12 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, c. 1.4 miles west of intersection of South Palm Canyon Dr. and Murray Canyon Dr., SW of Palm Springs 403 Comment
  UC668413  Cheilanthes viscida Annie M. Alexander and Louise Kellogg 1941-4-22 2060 Riverside Whitewater Canyon; Colorado Desert 548 Comment
  RSA0014459  Chenopodium Justin M. Wood, J. Miner 2010-4-29 1532 Riverside Coachella Valley: Bermuda Dunes. Near intersection of Avenue 38 and Varner Rd. 37 Comment
  SD260933  Chenopodium berlandieri Mitch Provance 2012-7-17 712 16 Riverside Beaumont Plain: Banning, south of I-10, vicinity of corner of Sunset Ave. and Westwared Ave. 740 Comment
  UCR154743  Chenopodium berlandieri T. B. Salvato, Kent Beaman 2005-5-16 778 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
  RSA554221  Chenopodium berlandieri var. sinuatum A. C. Sanders, Chet McGaugh 1991-7-19 11154 Riverside Murrieta Hot Springs, large vernal pool on the S side of Murrieta Hot Springs Road, E of Via Princesa & N of Calle del Lago 348 Comment
  RSA562454  Chenopodium californicum Steve Boyd, Timothy S. Ross 1992-5-5 7235 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail. 732 Comment
  RSA60836  Chenopodium californicum Frank W. Gould 1944-4-5 2231 Riverside 17 miles east of Temecula. Comment
  UCR281470  Chenopodium californicum Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-3-31 317- 99 Riverside Temescal Valley, Corona, N side of Campbell Ranch Rd., 0.2 miles E of intersection with Temescal Canyon Rd. 330 Comment
  UCR35145  Chenopodium californicum L. B. Ziegler 1968-2-22 265 Riverside San Jacinto Mtns, Foothills of the mtns. At mouth of Avery canyon (Diamond Valley) 488 Comment
  UCR33643  Chenopodium murale Faulkner 1978-3-21 344 Riverside Colorado River Valley, 9 mi. north of Blythe on Hwy 95 152 Comment
  UCR156372  Chenopodium pumilio T. B. Salvato, Kent Beaman 2005-5-16 865 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
  UCR158519  Chenopodium pumilio A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30029 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  RSA666524  Chenopodium strictum var. glaucophyllum Mitch Provance 2000-10-14 2255 Riverside Jurupa Mountains: Crestmore area, along the S side of El Rivino Rd., ca. 0.4 miles N of Crestmore Quarries. [Coordinates are off] 287 Comment
  CLARK-A1656-889  Chilopsis linearis Jim Cornett 1977-6-25 Riverside Desert Hot Springs 411 Comment
  POM47788  Chilopsis linearis subsp. arcuata Mary F. Spencer 1918-4-8 800 -a Riverside Palm Springs. Comment
  RSA609746  Chilopsis linearis subsp. arcuata R. S. Woglum 1934-4-12 1354 Riverside Sonoran Desert: Mecca Canyon; Mecca Hills; North of Salton Sea. Comment
  POM11892  Chimaphila umbellata subsp. occidentalis P. A. Munz 1922-7-7 6055 Riverside No fork of Tahquitz Creek. 2134 Comment
  UCR50730  Chloracantha spinosa Don Pendleton 1988-5-17 s.n. Riverside Sonoran (Colorado) Desert, just west of Blythe along canal near Hobson Way. 75 Comment
  UCR2285  Chloris virgata F. M. Reed 1936-8-26 9802 Riverside Riverside, on the Bell lot, Massachusetts Avenue 290 Comment
  RSA192142  Chlorogalum pomeridianum H. A. Zuill 1966-6-23 239 Riverside 9.5 miles SW of Murrieta. Comment
  RSA701090  Chorizanthe brevicornu Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11253 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
  RSA704544  Chorizanthe brevicornu var. brevicornu LeRoy Gross 2005-3-3 1578 Riverside Palen Mountains, south side. Near end of old prospect road. [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  UCR174117  Chorizanthe coriacea A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32615 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
  UCR241387  Chorizanthe coriacea T. B. Salvato, Mike Landers 2013-3-21 7378 Riverside Perris-Aguanga Basin, Murrieta, between Hwy 215 and State Route 79 (Winchester Rd), 0.23 mi east of the intersection of Keller Rd and Menifee Rd 470 Comment
  UCR48528  Chorizanthe coriacea Steve Boyd 1986-4-19 1697 Riverside Peninsular Range, Temescal Canyon, east side of Indian wash between I-15 and Temescal Canyon Road 351 Comment
  RSA0107468  Chorizanthe corrugata Duncan S. Bell, Amanda Turek 2009-3-29 156 Riverside Collecting in the large western drainage of the Arica Mountains, within the Palen/McCoy wilderness area. 434 Comment
  CAS-BOT-BC191307  Chorizanthe fimbriata var. laciniata Philip A. Munz 1937-5-31 15116 Riverside below Anza Tablet at head of Coyote Canyon, SW Riverisde county 1005 Comment
  UC1543898  Chorizanthe leptotheca Barbara Ertter with Jeffrey L. Strachan 1980-5-22 3492 Riverside e side Dripping Springs Compound (Cleveland National Forest near Highway 79 between Aguanga and Temecula n of Wild Horse Park); Cleveland National Forest, e side Dripping Springs Compound 609 Comment
  UCR217642  Chorizanthe leptotheca Jeff B. Galvin 2010-6-7 133 Riverside San Jacinto Mountains, Cahuilla Mountain along road between Juan Diego Flats and Duval Spring 1177 Comment
  RSA708431  Chorizanthe parryi var. parryi Scott D. White 2005-3-29 10852 Riverside San Gorgonio Pass: Cabazon. Alluvial fan and benches west of San Gorgonio river and south of I-10 Freeway. West of existing gravel quarry, likely to be proposed for quarry expansion. 585 Comment
  SD134409  Chorizanthe parryi var. parryi Craig Reiser 1991-4-25 Riverside Just S of Harford County Park and Idaleona Road Comment
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Jul 11 2010
  SD247476  Chorizanthe parryi var. parryi Andy Sanders, J. Schweitzer, K. Young 2015-3-24 41473 Riverside San Gorgonio Pass: north of San Gorgonio River wash, 3.1 miles due east of Cabazon, south of I-10 and 1.1 miles ENE (77 degrees) of water bottling plant, north edge of wind farm. 451 Comment
  UCR209585  Chorizanthe parryi var. parryi Robert J. Steers, Matt Willis, Jodi Ross 2009-6-3 s.n. Riverside San Gorgonio Pass, near the town of Cabazon, between Pipeline Rd. and San Gorgonio River, south of I-10 and 0.46 mi. west of Agnes Ave. crossing of Blanche Ave. 552 Comment
  HSC87145  Chorizanthe rigida Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2105 Riverside N end Palen Mtns., 2 mi. W of Palen Pass 300 Comment
  UC494675  Chorizanthe rigida Philip A. Munz 1932-3-14 11998 Riverside edge of wash Deep Canyon (Coachella Valley); , Deep Canyon 91 Comment
  RSA263673  Chorizanthe staticoides E. W. Lathrop 1968-6-2 6955 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. Comment
  RSA519203  Chorizanthe staticoides M. Lee Overholtzer 1962-7-4 294 Riverside North end of Cleveland National Forest, Santa Ana Mountains, Santa Ana River Drainage Area. 1341 Comment
  UCR177828  Chorizanthe staticoides S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  CLARK-A1528-1732  Chrysothamnus paniculatus John C. Roos 1943-10-17 2736 Riverside Little San Bernardino Mountains Comment
  JOTR01247  Chrysothamnus teretifolius Cole, James E. 1941-10-20 929 Riverside Joshua Tree National Park. OPTIMIST MINE ROAD, LOST HORSE VALLEY 1310 Comment
  UCSB4399  Chylismia brevipes Sager, Ginny 1960-4-2 Riverside In camp: off hiway 60-70 (to south) at southern tip of Joshua Tree National Monument Comment
  CAS-BOT-BC160582  Chylismia claviformis subsp. aurantiaca N. Aitkenhead 1977-2-2 2185 Riverside ~1 mi. from intersection of JT Mon Rd & pipeline Comment
  JEPS23483  Chylismia claviformis subsp. aurantiaca Marjorie D. Clary 1933-2-26 2060 Riverside Aqueduct Rd North Colorado Desert 243 Comment
  UC1184363  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-2-15 11570 Riverside Corn Springs Chuckwalla Mountains (wash) Comment
  RSA593983  Cirsium occidentale var. occidentale D. L. Banks, Elizabeth Hedge Banks 1996-5-2 0958 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
  UCR1623  Cirsium scariosum Leland R. Dykes 1962-5-1 67 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, San Mateo Canyon [Tenaja] Rd, c. 9.3 mi. west of Palomar Rd, Murrieta Comment
  RSA0070886  Cirsium scariosum G. R. Campbell 1951-5-30 16156 Riverside Northern end of Hemet Valley, San Jacinto Mountains. 1616 Comment
  SD144144  Cladium californicum A. C. Sanders, P. MacKay, et al 1994-12-4 15878 Riverside Colorado desert; Salton Sea sink; Dos Palmas Oasis area; San Andres palm grove, 1.75 Km (1.1 miles) west south west of Rancho Dos Palmas, marked seep on Durmid 7.5' Quad. Comment
  CAS-BOT-BC172425  Clarkia bottae C. L. Hitchcock 1928-5-20 57 Riverside Santa Ana Canyon, 8 miles west of Prado 400 Comment
  UC20307  Clarkia dudleyana H. M. Hall June 1901 2265 Riverside in canyons of the w side San Jacinto Mountains 1524 Comment
  CAS-BOT-BC171997  Clarkia epilobioides Steve Boyd 1986-4-22 1768 Riverside Temescal Canyon, terrace escarpment E side of Indian Wash, S of 1-15 Comment
  RSA586329  Clarkia epilobioides D. L. Banks, Steve D. Boyd 1995-5-3 194 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
  CSUSB239  Clarkia purpurea subsp. quadrivulnera Loretta Bates 1978-5-27 Riverside Along Tenaja Road, just north of Mesa de Burro on the Santa Rosa Plateau. Comment
  RSA387362  Clarkia purpurea subsp. quadrivulnera Steve Boyd 1986-4-19 1709 Riverside Temescal Canyon Temescal Canyon: flats at SE end of Alberhill Mtn. 396 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
  CLARK-A1045-291  Clarkia similis George K. Helmkamp 1979-5-16 Riverside San Jacinto Mountains at State Highway 74; chaparral; ; Hemet 15'Q 609 Comment
  CAS-BOT-BC439506  Claytonia parviflora subsp. parviflora Edmund C. Jaeger 1921-7-10 s.n. Riverside Stone Creek, San Jacinto Mts. 1584 Comment
  RSA757990  Claytonia parviflora subsp. parviflora Doug Goldman 2005-5-11 3281 Riverside White Post Turn on Rt. 74, to the E. side of the road and NW part of the turn, about 3.9mi W. of the intersection with Rt. 243. San Bernardino National Forest. 1088 Comment
  CLARK-A1528-5638  Coldenia canescens John C. Roos 1948-5-15 3859 Riverside Eagle Mountains Comment
  RSA0117405  Collinsia concolor Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4825 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  UCR107821  Collinsia concolor D. L. Banks 1997-5-5 2008 Riverside NW Palomar Mtns, Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pachanga Creek. east of where road crosses to southern bank of south fork of Pechanga Creek. 482 Comment
  POM48732  Collomia grandiflora P. A. Munz, I. M. Johnston 1924-7-29 8827 Riverside 5 miles SE of Poppet Flat, San Jacinto Mtns. 1372 Comment
  SBBG87664  Condea emoryi S. Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2102 Riverside N end of Palen Mtns, 2 mi W of Palen Pass 300 Comment
  HSC85248  Conium maculatum Steve Boyd 1986-4-22 1727 Riverside Temescal Canyon: Walker Canyon area, where Alberhill Creek (=Temescal Creek) flows between Alberhill Mtn. and Gavilan Hills. Comment
  RSA522703  Convolvulus simulans Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3890 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
  RSA741553  Conyza canadensis Justin M. Wood 2008-9-22 163 Riverside SW Perris Basin; Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  RSA555204  Cordylanthus nevinii John F. Emmel 1983-9-17 892 Riverside San Jacinto Mts.; Idyllwild; on north-facing slope of West Ridge, 0.3 mile SSW of Camp Emerson. 1622 Comment
  UCR133636  Cordylanthus nevinii I. W. Clokey, E. G. Anderson 1935-8-21 6904 Riverside San Jacinto Mtns., Fuller's Creek 1585 Comment
  POM230199  Corethrogyne filaginifolia I. W. Clokey, E. G. Anderson 1933-8-21 6963 Riverside Keen Camp P. O. [Post Office] Riverside 1350 Comment
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Oct 30 2011
  UC87480  Corethrogyne filaginifolia J. W. Toumey 1894-9-27 Riverside Banning Comment
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Mar 13 2011
  RSA621444  Cornus glabrata D. L. Banks 1997-11-15 2192 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, on the north side of the Dorland Mountain Arts Colony. Along the margins of a small man-made pond. 549 Comment
  CSUSB1371  Cornus nuttallii Frank C. Vasek 1964-7-25 Riverside San Jacinto Mountains San Jacinto Mountains. Dark Canyon, near Wet Canyon campground. Comment
  CLARK-A1528-200  Cotula australis Susan Larisch 1963-2-20 12 Riverside Highgrove Comment
  RSA612698  Crassula aquatica D. L. Banks 1997-3-29 1600 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border,, west of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  OBI8335  Crassula connata David J. Keil, Malcolm McLeod 1977-3-26 12026 Riverside 0.7 mi W of jctn with Riverside County Rd R-3 (to Hemet) along Calif Rte 79 549 Comment
  CLARK-A1528-424  Crassula erecta Jim Ryan 1969-3-26 22 Riverside Riverside 426 Comment
  POM12939  Cressa truxillensis P. A. Munz, I. M. Johnston, I. M. Munz 1922-5-21 5543 Riverside San Jacinto [Mystic] Lake near Moreno. Comment
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Mar 20 2011
  CLARK-A1528-4992  Crossosoma bigelovii John C. Roos 1948-4-24 3803 Riverside Whitewater 609 Comment
  RSA0104610  Crossosoma bigelovii Duncan S. Bell, Evan Meyer 2014-10-29 7678 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon, to the north of Martinez Canyon, about 6 air miles southeast of the summit of Martinez Mountain. 394 Comment
  RSA0121039  Crossosoma bigelovii Duncan S. Bell, LeRoy Gross 2016-3-29 9108 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5 air miles southeast of the summit of Martinez Mountain. 686 Comment
  UCR243566  Crossosoma bigelovii Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21093 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, upper watershed on east ridge, 1.1 mi south of radio tower, c. 6 mi. south of town center of Yucca Valley 1207 Comment
  LA204989  Croton californicus Elizabeth McClintock; 1938-4-9 sn Riverside Soboba Indian Reservation, San Jacinto Comment
  SD187396  Croton californicus Scott D. White, Angelia Carey 2004-5-7 10312 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills, along stream 548 Comment
  UC17560  Croton californicus Geo. F. Reinhardt June, 1897 Riverside San Jacinto Valley Comment
  UC1776823  Croton californicus V. W. Steinmann, M. T. Wedlake 1995-4-8 655 Riverside Along Hwy 111, 1 km NW of Palm Springs (measured from the intersection with San Rafael Dr.) 215 Comment
  POM14988  Croton californicus var. mohavensis Mary F. Spencer 1922-3-29 246 Riverside Mecca -49 Comment
  UCR114196  Croton setiger A. C. Sanders, D. Malueg, K. D. Jones, et al 2000-9-8 23639 Riverside Perris-Aguanga Basin Region, French Valley, near south end of Briggs Rd. on east side of Hwy 79, near industrial park, c. 0.5 km SE of Adobe Spring 384 Comment
  UCR199559  Croton setiger Scott D. White, Angelia Carey 2004-7-2 10573 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  UCR92269  Croton setiger Scott D. White 1995-8-23 3569 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  RSA5166  Cryptantha angustifolia C. B. Wolf 1932-4-26 2977 Riverside Colorado Desert: 5 mi. E of Mecca on Blythe rd. 30 Comment
  RSA760787  Cryptantha angustifolia Thomas Stoughton, Jacqueline McConnaughy, Andrew Monks, M. Volke 2010-4-21 153 Riverside N of Desert Center. Jct of Hwy 177 and Kaiser Rd. W of Kaiser Rd. N of Hwy 177. 335 Comment
  SBBG6241  Cryptantha angustifolia C. H. Muller 1952-4-6 9508 Riverside Pinto Basin, Joshua Tree Nat Monument Comment
  SEINET241494  Cryptantha angustifolia A. C. Sanders 2001-4-8 23979 Riverside Western Colorado Desert: Coachella Vly, Desert Hot Springs, N of intersxn of Pierson Blvd & Atlantic A, N of flood ditch 347 Comment
  SEINET4557943  Cryptantha angustifolia Naomi Fraga, David Fraker, Brett Griffin 2012-1 3949 Riverside Mojave Desert, Southcentral Mojave Desert Region: off of Box Canyon Rd. S. of Shaver well in a wash. 70 Comment
  UCR101576  Cryptantha angustifolia 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
  UCR116714  Cryptantha angustifolia Helen Kennedy, Sara Mills 2001-3-17 5398 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
  UCR213257  Cryptantha angustifolia A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37425 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, lower part of wash c. 2.5-3 mi. NW of Blythe Airport, above Black Creek Rd. 171 Comment
  SEINET10455842  Cryptantha angustifolia David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-13 Dunn 2892 Riverside Pushawalla Canyon Biota. Indio Hills. Steep slopes on canyon side. Comment
  RSA0042159  Cryptantha barbigera Duncan S. Bell, Evan Meyer 2014-4-2 6513 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  SBBG63623  Cryptantha barbigera E. Rockwell -Jan-1926 32 Riverside near Palm Springs 138 Comment
  SDSU20599  Cryptantha barbigera var. fergusoniae Ronald B. Kelley 2006-3-11 981 Riverside North of I-10 at West Palm Springs along Tamarck Road from Pacific Crest Trail crossing east 0.1 miles to Cottonwood Road junction. 418 Comment
  UCR120565  Cryptantha barbigera var. fergusoniae Helen Kennedy, T. B. Salvato 2002-2-2 5447 Riverside Western Colorado Desert/ San Jacinto Mtns, Coachella Valley, Agua Caliente Indian Reservation, mouth of Andreas Canyon at Palm Canyon, S edge of Palm Springs between Andreas Cyn. Rd. and water tank on W edge of sec. 2 244 Comment
  UCR181339  Cryptantha corollata Mitch Provance 2003-4-5 6520 Riverside San Bernardino Valley, Glen Avon (near border with Fontana) along the NW base of the Jurupa Mountains, south of Philadelphia St. and just east of Country Village Rd 253 Comment
  UCR214700  Cryptantha costata A. C. Sanders 2010-3-23 37535 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  UCR24507  Cryptantha costata L. F. LaPre 1981-4-14 s.n. Riverside Coachella Valley, Palm Desert; 2 mi north of junction of Monterey Ave. & Country Club Dr. Comment
  RSA0079094  Cryptantha cycloptera J. Andre, T. La Doux 2010-2-28 12559 Riverside Lower Colorado River Valley; along Hwy 94 approx. 25 miles north of Blythe, on east side of Big Maria Mountains. 83 Comment
  RSA0079338  Cryptantha cycloptera Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 914 Riverside East Mojave Desert region: McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 335 Comment
  JOTR30656  Cryptantha dumetorum La Doux, Tasha, Jim Andre 2008-3-21 149 Riverside Joshua Tree National Park. Lower Wilson Wash along NE side of paved road 852 Comment
  RSA0023243  Cryptantha dumetorum J. Andre 2013-3-4 23868 Riverside Sandy bluffs overlooking Colorado River, 0.2 miles east of Hwy 95, just south of Riverside Mountains, just north of Queen Sable Point. 96 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
  UCR41546  Cryptantha dumetorum A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6087 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  RSA297034  Cryptantha holoptera John F. Emmel 1973-3-21 420 Riverside Canyon 2.4 air miles NW of Lost Lake Landing (1.5 air miles W of N end of Alligator Slouth on 1949 USGS quad), E. slope Riverside Mountains. 152 Comment
  POM229459  Cryptantha intermedia P. A. Munz 1937-5-30 15091 Riverside N of Vandeventer flats, Santa Rosa Mts. 1524 Comment
  RSA771785  Cryptantha intermedia Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4703 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
  SEINET7063222  Cryptantha intermedia A. G. Vestal 1963-5-19 s.n. Riverside About 0.5 mile west of Cahuilla. UTM Zone 11, 522925mE, 3711215mN. (WGS84/NAD83). 1088 Comment
  UC402785  Cryptantha intermedia Charlotte M. Wilder 1907-4-6 875 Riverside e end San Gorgonio Pass; Colorado Desert, Whitewater Comment
  UCD119837  Cryptantha intermedia A. A. Beetle 1940-1 s.n. Riverside near Sage. Comment
  UCR162270  Cryptantha intermedia S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, Juan Diego Flats on powerline trail west to Reed Valley, NW of Cahuilla Mountain 1244 Comment
  UCR84652  Cryptantha intermedia Scott D. White 1994-4-21 1949 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  UCR94245  Cryptantha intermedia Scott D. White 1996-4-14 3926 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
  RSA0075620  Cryptantha intermedia var. johnstonii Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca. 1 mi SE of town on Nuevo. 640 Comment
  SDSU21023  Cryptantha juniperensis A. C. Sanders 2012-4-12 40027 Riverside Peninsular Range: Santa Ana Mtns. Region: Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, c. 100 m SE of El Hermano Rd. (Lake Mathews 7.5' +/- 100m). Sandy californicus, Bromus diandrus. 314 Comment
  UCR112400  Cryptantha maritima A. C. Sanders, T. B. Salvato 2000-5-16 23392 Riverside Sonoran (Colorado) Desert, Coachella Valley, under powerlines at gravel pits just south of the mouth of Thermal Canyon 30 Comment
  UCR52017  Cryptantha maritima var. maritima Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2180 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA633317  Cryptantha micrantha var. lepida R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38080 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  SBBG101668  Cryptantha micromeres S. Boyd 1991-5-20 6274 Riverside NW of Lake Elsinore, lower Rice Cyn, just inside Cleveland Nat For boundary 573 Comment
  UCR158275  Cryptantha micromeres A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-4-14 29498 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
  UCR238085  Cryptantha micromeres Mark A. Elvin, Julie M. Vanderwier 2002-5-16 2055 Riverside Peninsular Range; Agua Tibia Mtns., Pechanga Indian Reservation, nameless drainage/wash south of Pala Rd. 335 Comment
  SD240213  Cryptantha microstachys Lee Ripma, Jim Rocks 2013-4-24 406 Riverside Proposed Spring Valley Ranch development project. On privately owned land. 550 Comment
  SDSU20871  Cryptantha microstachys Lee Ripma, Jim Rocks 2013-4-24 406 Riverside Proposed Spring Valley Raneh development project. On privately owned land. 550 Comment
  UC1537682  Cryptantha microstachys Gordon H. True Jr. 1935-2-20 3 Riverside Box Springs Sycamore Canyon 365 Comment
  UC24693  Cryptantha muricata H. M. Hall Jul 1901 2250 a Riverside Fuller's Mills San Jacinto Mountains 1767 Comment
  RSA0018642  Cryptantha muricata C. P. Cowan 1978-4-24 1250 Riverside 19.6 mi S on Hwy 74 from its jct with Hwy 111 at Indian Wells. Sta. Rosa Road, 1 mi S of 74. Whittaker transect no.W-225(voucher). Comment
  SBBG101675  Cryptantha muricata var. muricata S. Boyd with R. Gentry 1991-5-30 6316 Riverside Murrieta, summit of Hogbacks on Gentry Experimental Farm 542 Comment
  RSA0079554  Cryptantha muricata var. muricata Christopher Davidson 1975-6-16 2810 Riverside 5.4 miles N of Alandale Station on road R1 from Idyllwild to Banning. 1652 Comment
  POM46805  Cryptantha nevadensis Mary F. Spencer 1920-4-4 1525 Riverside Mouth of Tahquitz Canyon. 213 Comment
  UCD119982  Cryptantha nevadensis John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns. Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain. 1372 Comment
  JEPS67795  Cryptantha pterocarya W. L. Jepson 1928-4-23 12564 Riverside Cottonwood Spring Colordo Desert, Eagle Mts. 731 Comment
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Oct 9 2010
  RSA659692  Cryptantha racemosa J. C. Roos 1948-5-1 3815 Riverside Whitewater. 610 Comment
  UC857248  Cryptantha racemosa C. L. Hitchcock 1940-3-31 5892 Riverside between Cottonwood Springs and Pinto Basin Comment
  UC280507  Cryptantha simulans C. M. Wilder 1909-7-14 962 Riverside Strawberry Valley and trail above Strawberry Valley Comment
  CDA42234  Cucurbita foetidissima T. C. Fuller 1958-9-23 3926 Riverside 3 miles east of Anza. 0 Comment
  UC1714451  Cucurbita foetidissima H. M. Hall 1900-5-29 Riverside Riverside Comment
  RSA264579  Cucurbita palmata C. W. Tilforth, John Dourley, W. Wisura 1977-5-19 s.n. Riverside Colorado Desert. 2 miles south of Rice and Highway 62 along Blythe-Rice Road [Midland Rd]. 266 Comment
  RSA339240  Cucurbita palmata R. F. Thorne, Gertrud Dahlgren 1979-8-23 53608 Riverside Pinto Basin RoadL Cholla Garden 1098 Comment
  UCR241607  Cuscuta A. C. Sanders, Fred M. Roberts, T. B. Salvato 2013-5-1 40822 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, intersection of Chuckwalla Valley Rd. and Graham Pass Rd. 124 Comment
  SDSU16680  Cuscuta californica var. californica Francis H. Bozzolo 2006-4-16 4 Riverside Santa Margarita Ecological Reserve, southern end, NNW of residence building, slope immediately behind avocado grove between 2 gullies. 229 Comment
  RSA309656  Cuscuta indecora J. C. Roos 1951-9-25 5254 Riverside West end Fairmount Park 259 Comment
  CLARK-A1703-57  Cuscuta subinclusa H. A. Zuill 1966-7-4 275 Riverside Murrieta Comment
  SEINET5624469 Image available Cylindropuntia chuckwallensis Marc A. Baker 2013-3-20 17720 .3 Riverside 800m south of Smoke Tree Wash, 5.5 km north of Cottonwood Spring, 40 km NE of Indio 945 Comment
  RSA125841  Cylindropuntia echinocarpa E. K. Balls, Percy C. Everett 1957-11-13 22801 Riverside Snow Creek, between village and Fish Hatchery. 671 Comment
  UCR237698  Cynodon dactylon Orlando Mistretta, Duncan S. Bell, Janet Beckman, Joy England, K. Kane, et al. 2010-4-12 4516 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
  SEINET10468112  Cynodon dactylon David B. Dunn, A. Folsom 1948-6-17 Dunn 3797 Riverside At quad 1. At camp in pushawalla canyon under palms. Comment
  UCR188893  Cyperus difformis Fred M. Roberts, S. Leatherman 2007-9-19 6597 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  RSA788097  Cyperus eragrostis Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49551 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons Comment
  SD148283  Cyperus involucratus A. C. Sanders, Steve Boyd 2000-11-30 23726 Riverside San Bernardino/ upper Santa Ana River region; Box Springs Mountains foothills, Box Springs Canyon above Sheriff's Academy, north of Central Avenue. 366 Comment
  SBBG94682  Cyperus odoratus S. D. White 1990-9-25 Riverside Santa Rosa Plateau, ca. 5 mi (airline) SW of Temecula, on Via Yerba Rd, E of Vaquero Rd Comment
  CDA2606  Cyperus retrorsus S. Morgan 1994-9-13 Riverside On the UCR campus in the Botanic Garden, Riverside. 0 Comment
  CAS-BOT-BC198201  Cytisus striatus A. C. Sanders; Chet McGaugh 1991-7-19 11142 Riverside Murrieta Hot Springs, large vernal pool on the S side of Murrieta Hot Springs Road, E of Via Princesa & N of Calle del Lago 347 Comment
  CSUSB1208  Dalea mollis Sally Bell 1964-3-26 Riverside Off Dillon Road about 3 miles northeast of the town of Indio, about 500 yards off of road in a dry wash. -6 Comment
  RSA0029323  Dalea mollis Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4687 Riverside Sonoran Desert: Chuckwalla Valley, active sand dunes +/- 7.25 miles northeast of Desert Center, +/- 3.0 miles E of SR-177, and +/- 1.0 mile N of abandoned Jojoba farm. 149 Comment
  UCR167392  Dalea mollis John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  RSA644208  Dalea mollissima V. W. Steinmann 1999-10-26 1413 Riverside foothills of the Chuckwalla Mountains, open desert ca. 0.5 km south of Desert Center. 275 Comment
  RSA0018639  Dalea schottii C. P. Cowan 1978-4-23 1168 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. Whittaker transect #W-217. 570 Comment
  CLARK-A1703-1204  Dalea spinosa Charlotte Stocks 1962-6-15 Riverside Indio Comment
  UCR89708  Datura discolor J. M. Stewart 1990-10-22 664 Riverside Sonoran (Colorado) Desert, Ford Dry Lake off I-10, c. 4 mi. west of Wiley Well Rd Comment
  RSA33373  Datura wrightii N. C. Cooper 1943-9-10 905 Riverside Banning. 610 Comment
  OBI16255  Deinandra kelloggii Robert F. Hoover 1968-6-7 11155 Riverside Lower St Johns Cyn s of Hemet Comment
  RSA674653  Deinandra mohavensis Scott D. White 2000-8-22 8123 Riverside Gibbel Flat in the Santa Rosa Hills. 610 Comment
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Dec 16 2012
  RSA675713  Deinandra mohavensis Scott D. White 2000-10-20 8136 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills. 610 Comment
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Dec 16 2012
  UC1792825  Deinandra paniculata A. C. Sanders, Guy Bruyea 2004-4-2 27427 Riverside San Jacinto Valley; Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side just north of Rose Rd. 463 Comment
  CAS-BOT-BC9089  Delphinium cardinale Percy C. Everett 1935-6-17 7170 Riverside Temescal Canyon, between Corona-Elsinore Highway and Glen Ivy Resort 365 Comment
  RSA689558  Delphinium parishii Scott D. White, Michael Honer 2003-4-25 9113 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. 610 Comment
  UC1031413  Delphinium parishii H. Lewis and C. Epling 1941-5-4 Riverside 5 mi s White Tank (on road to Pinto Basin); Joshua Tree Nat. Mon. Comment
  SD152772  Delphinium parryi Steve Boyd, Tim Ross 1992-5-4 7191 Riverside San mateo Canyon Wilderness, Oak Flats area east of Verdugo Potrero, native grassland 730 Comment
  UC1537319  Delphinium parryi Gordon H. True Jr. 1930-3-20 98 Riverside in wash Mockingbird Hills, Mockingbird Canyon 365 Comment
  UCR16753  Delphinium parryi D. C. Wald 1967-5-13 s.n. Riverside Perris-Aguanga Basin region, Bernasconi Hills near Lakeview, on slope opposite Big Rock 503 Comment
  RSA0020469  Delphinium parryi subsp. parryi Walter Wisura, W. Steinmetz 1993-5-29 4917 Riverside PCT S of Hwy 74, near Table Mountain road Comment
  UC410724  Dendromecon rigida Mrs. E. C. Van Dyke 1928-5-28 Riverside Banning Comment
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Mar 13 2011
  UCR173144  Dendromecon rigida Abby Sirulnik 2000-5-7 30 Riverside Peninsular Ranges; San Jacinto Mtns., along Mt. Edna Rd. off of Calif. Hwy 243, c. 5 mi. N of Poppet Flats 1159 Comment
  RSA775098  Descurainia pinnata Duncan S. Bell, Michael Hee 2011-3-18 2055 Riverside Chuckwalla Mountains; north side of mountain range approximately 3 air miles southeast of Desert Center. 392 Comment
  UCR85280  Descurainia pinnata Bern Schwenn 1994-4-17 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument, Pinto Mtns, at bottom of Grand Tank (dry) 1189 Comment
  RSA0120489  Descurainia pinnata subsp. glabra Duncan S. Bell, Thomas Stoughton 2016-3-17 8958 Riverside Orocopia Mountains; east side of the range; collecting in rocky hills to the west of Red Cloud Wash. 531 Comment
  POM13711  Descurainia pinnata subsp. menziesii P. A. Munz 1922-4-30 5121 Riverside Lancaster Valley, south of Hemet. Comment
  UCR133391  Dicentra chrysantha Tracy Tennant, T. B. Salvato 1998-6-23 484 Riverside San Bernardino Mtns., Morongo Indian Reservation, N end of Hathaway Cyn., c. 0.4 miles east of pk 4265 (polygon 13) 1341 Comment
  UCR120947  Dichelostemma capitatum A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23882 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  RSA367460  Dichelostemma capitatum subsp. capitatum N. C. Cooper 1944-3-24 1001 Riverside Banning. 701 Comment
  RSA773123  Dimorphotheca sinuata Duncan S. Bell, Ryan Parker 2010-6-1 1234 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.1 air mile southeast of junction of Highway 74 and forest service road 5S15. Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 779 Comment
  RSA774895  Dimorphotheca sinuata Duncan S. Bell, Amber Swanson 2011-2-18 2032 Riverside Coachella Valley area; Edom Hill; along Edom Hill Road near dump; 0.6 road miles from junction of Varner Road and Edom Hill Road. 259 Comment
  UCR158338  Dimorphotheca sinuata A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30067 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, 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
  UCR84984  Dimorphotheca sinuata A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16224 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  SD71842  Diplacus brevipes Helen V. Witham 1969-7-2 198 Riverside Silt flat above creek. 7 miles south of Murietta on road to De Luz 299 Comment
  RSA776339  Ditaxis claryana Duncan S. Bell, Amanda Turek 2010-4-10 787 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  JOTR38677  Ditaxis lanceolata Hodges, Stephen R. 2017-2-2 684 Riverside Joshua Tree National Park. Cottonwood Mountains; at base of southern end, north of park boundary Comment
  RSA0121418  Ditaxis lanceolata Duncan S. Bell, LeRoy Gross 2016-3-31 9188 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 6 air miles southeast of the summit of Martinez Mountain. 492 Comment
  UCR279552  Ditaxis lanceolata A. C. Sanders, Jim Malusa 2017-3-29 43198 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 2.8 km south of the confluence of Red Canyon and Salt Creek 460 Comment
  JOTR35319  Ditaxis neomexicana Harding, Mitzi, Mark Wheeler 2012-2-28 87 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; eastern slopes of southern tip of range (Stop 1) 177 Comment
  UCR198166  Ditaxis neomexicana Michael Honer, L. Hulse 2004-4-2 1885 Riverside Colorado(Sonora) Desert, Little San Bernardino Mountains, east Wide Canyon, near MWD aqueduct, c. 2 mi north of Dillon Road 488 Comment
  CAS-BOT-BC43631  Dithyrea californica Geo. B. Grant 1906-4-8 with 6769 Riverside Palm Springs. Comment
  RSA342000  Dithyrea californica R. F. Thorne 1980-4-16 54116 Riverside Along Whitewater River, E of bridge and levee Comment
  RSA530741  Dithyrea californica N. C. Cooper 1949-3-15 3031 Riverside Palm Springs 122 Comment
  RSA66544  Dithyrea californica F. W. Peirson 1920-2-14 4178 Riverside Whitewater Station, Colorado Desert Comment
  UCD114722  Dithyrea californica A. H. Frederick 1928-3-1 s.n. Riverside Palm Springs, W Colorado Desert. Comment
  SEINET10481684  Dithyrea californica C. H. Quibell 1927-4-2 Quibell s.n. Riverside Comment
  RSA585880  Dodecahema leptoceras D. L. Banks, Peter Morrell 1995-5-4 314 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, N of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, SE of the Dripping Springs Campground., On Arkose hills at the N base of the metasedimentary hills N of Wildhorse Peak. 537 Comment
  RSA234025  Downingia cuspidata R. F. Thorne, E. W. Lathrop 1969-5-12 37933 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California 625 Comment
  POM7016  Draba cuneifolia var. integrifolia P. A. Munz 1919-3-25 2311 Riverside Beaumont. 610 Comment
  RSA530889  Draba saxosa L. C. Wheeler 1931-10-3 192 Riverside Tahquitz Peak, San Jacinto Mts. 2621 Comment
  RSA60297  Drymocallis glandulosa G. R. Campbell 1948-7-4 608 Riverside Azalea Trails Girl Scout Camp, north of Idyllwood, Dark Canyon. 1646 Comment
  POM12104  Drymocallis glandulosa var. reflexa Mary F. Spencer 1921-6-10 1861 Riverside Idyllwild. 1616 Comment
  RSA33796  Dryopteris arguta Norman C. Cooper 1944-5-21 1248 Riverside San Jacinto Mountains, West side 915 Comment
  RSA16378  Dudleya lanceolata P. C. Everett 1935-6-17 s.n. Riverside Coldwater Canyon, trail to Santiago Pk. 1/2 mi. above Glen Ivy Resort. 457 Comment
  UCR161253  Dudleya pulverulenta A. C. Sanders, Kelly Volansky 2005-8-31 31584 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  UCR3417  Dudleya saxosa Heidi A. Haid 1964-5-3 6453- 5 Riverside San Bernardino Mtns/ Colorado Desert, Whitewater Canyon, c. 2 mi from Hwy 99 610 Comment
  RSA249461  Dudleya saxosa subsp. aloides John F. Emmel 1973-5-12 451 Riverside Dos Palmas Spring & Carrizo Creek wash, NE of Pinyon Crest, E end of San Jacinto Mts. 1067 Comment
  POM66435  Dyssodia porophylloides Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  SEINET8060008 Image available Echinocactus polycephalus var. polycephalus Michael Chamberl 1990-1-8 4 Riverside 3.8mi down Eagle Mt. Rd. off I-10. SE side of the road. 400 Comment
  UC64466  Echinocereus engelmannii subsp. engelmannii H. M. Hall 1897-4-17 452 Riverside White-water Comment
  UCR230603  Echinochloa colona A. C. Sanders 2011-9-15 39893 Riverside Sonoran (Colorado) Desert, Coachella Valley, agricultural area in Thermal; Colorama greenhouses/nursery at 83300 Ave. 58, 0.35 mi. east of Jackson St. near Calhoun St. -24 Comment
  UCR162568  Echinochloa crus-galli A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23170 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. east of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  RSA463705  Ehrharta erecta Mira M. Bogen 1987-5-10 s.n. Riverside [Riverside?] Along Van Buren Boulevard between bridge over Santa Ana river and sewer. Comment
  SDSU21796  Elatine brachysperma Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3984 Riverside Santa Rosa Plateau Ecological Reserve. Across street from vernal pool trail, ca. 4 miles north on road from Visitor's Center. 636 Comment
  RSA199001  Eleocharis acicularis var. acicularis Robert F. Thorne 1968-4-18 37455 Riverside Santa Rose Plateau: Mesa de Colorado, Rancho California. 671 Comment
  UC838792  Eleocharis bella Philip A. Munz 1922-5-20 5472 Riverside Kenworthy San Jacinto Mountains 1432 Comment
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Mar 25 2011
  HSC97606  Eleocharis geniculata A. C. Sanders, P. J. MacKay, D. L. Sanders 2003-2-9 25686 Riverside Colorado Desert, Coachella Valley, 84th Ave. E of Johnson St., near W edge of Salton Sea -67 Comment
  UCR275578  Eleocharis macrostachya T. B. Salvato, Jennifer Weiland 2005-6-13 605- 1 Riverside Peninsular Range; Temescal Valley, c. 1.5 mi N of Lake Elsinore at Nichols Road, between the intersection of Pierce and Baker Streets and Alberhill Creek, S of Hwy I-15 390 Comment
  RSA162801  Eleocharis palustris J. D. Olmsted 1959-9-23 1020 Riverside Mt. Range NW of Lakeview Mts. Drainage area to Lake Elsinore. San Jacinto River crossing by Lakeview Rd from US 395 427 Comment
  RSA644634  Eleocharis palustris Scott D. White 1993-3-12 1146 Riverside San Jacinto Valley: between aqueduct and Warren Road. 457 Comment
  UCR109735  Eleocharis rostellata R. E. Orth 1963-3-8 s.n. Riverside Riverside, Santa Ana River 213 Comment
  UCR2353  Elymus condensatus F. M. Reed 1907-6-9 1399 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, roadside north of Fairmont Park 274 Comment
  SD146093  Elymus elymoides Scott D. White 1997-5-18 5175 Riverside San Jacinto Mountains, Black Mountain Scenic Area, Black Mountain Trail between Highway 243 and Cinco Poses Trail junction 1700 Comment
  UCR17527  Elymus elymoides Frank C. Vasek 1979-7-26 790726- 02 b Riverside Santa Rosa Mtns, Vicinity of Virgin Spring and Stump Spring 2348 Comment
  UCR185181  Elymus elymoides Naomi Fraga, LeRoy Gross, B. Hogshead 2006-6-12 1705 Riverside Peninsular Ranges; San Jacinto Moutnains region: Along FS road west and paralleling Morris Ranch Road. c. 0.2 miles SW of the FS roads junction with Morris Ranch Road. NE of Garner Valley 1616 Comment
  UC38217  Elymus elymoides subsp. elymoides H. M. Hall 1901-6-10 2065 Riverside San Jacinto Mountains; s side 1615 Comment
  UCR241244  Elymus glaucus Tracy Tennant, Jeffrey Ross 1998-6-23 MOR- 511 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  RSA591726  Elymus glaucus subsp. glaucus John F. Emmel 1984-5-27 903 Riverside San Jacinto Mountains; Idyllwild; West Ridge, 0.3 air mile SSW of Camp Emerson 1595 Comment
  SEINET4208316  Elymus glaucus subsp. glaucus Steve Boyd, Tim Ross 1992-6-10 7641 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about 'Potrero Escondido', an isolated area of low relief topping the ridge system due west of the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek.; 0 671 Comment
  UCR107742  Elymus glaucus subsp. jepsonii D. L. Banks 1997-5-5 1976 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek. Along the S fork of Pechanga Creek 427 Comment
  RSA751793  Elymus stebbinsii A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35560 Riverside May Valley c. 1.25 mi SW of Fleming Ranch, nameless tributary NW of Herkey Crk., north of Bonita Vista Rd. and NE of May Valley Rd. 1555 Comment
  UCR132910  Elymus triticoides John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  RSA662568  Emmenanthe penduliflora P. Shirokawa 1998-5-15 28 Riverside Cleveland National Forest- Trabuco Ranger District, 0.3 miles from Ortega Highway (State Highway 74) on North Main Divide Road. 808 Comment
  UC724322  Emmenanthe penduliflora Aven and Ruth Nelson 1939-3-29 3321 Riverside Hidden Springs Comment
  RSA0065644  Emmenanthe penduliflora var. penduliflora Cheryl Sevilla, Sarah J. De Groot 2015-3-18 38 Riverside Transverse Ranges; San Bernardino Mountains region: San Gorgornio Wilderness Area; off the Pacific Crest Trail about 2 air miles north-northwest from the Whitewater Preserve Ranger Station; on the hillside east of the Whitewater River drainage. 822 Comment
  HSC79045  Encelia farinosa A. C. Sanders 1985-3-1 5390 Riverside Box Springs Canyon, near the intersection of Central Ave. & Hwy. 60, along Gernert Rd., just above the Santa Fe Railroad tracks 427 Comment
  RSA0088362  Encelia farinosa Phung Hoang 2016-4-9 16 Riverside LA basin, White water canyon reserve. 536 Comment
  RSA795939  Encelia farinosa Duncan S. Bell 2009-4-18 257 Riverside Arica Mountains: southeast side of range, approximately 0.5 air mile southwest of Priests Well. 311 Comment
  SEINET7865172 Image available Encelia farinosa J. M. Andre 2014-1-27 26675 Riverside Riverside Mountains; at mine site 1.3 mi W of Hwy 95 at Wilson Rd., 12.2 mi S of Vidal Jct. 225 Comment
  UCR263656  Encelia farinosa David Fraker, Aaron C. Sedgwick 2012-3-22 023 Riverside Sonoran (Colorado) Desert, Palen Mountains, Coxcomb Monument Road [becomes Palen Pass Rd.] c. 8 miles east of Hwy 177 376 Comment
  UCR41600  Encelia farinosa A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6032 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  UC68861  Encelia frutescens H. M. Hall 1905-4-1 5859 Riverside near Canon Springs; Colorado Desert Comment
  NY70354  Ephedra aspera C. L. Hitchcock 1940-3-29 5868 Riverside Cottonwood Canyon, ca, 100 yards east of Spring. Comment
  RSA383868  Ephedra aspera N. C. Cooper 1949-4-8 3285 Riverside Desert Center. 609 Comment
  RSA85057  Ephedra aspera F. W. Peirson 1922-4-9 3339 Riverside Andreas Canyon near Palm Springs. 426 Comment
  JOTR34119  Ephedra californica La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2739 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  LA6767  Ephedra californica S. Atsatt; 1926-4-17 sn Riverside Palm Springs Comment
  LA6769  Ephedra californica J. A. Ewan; 1932-4-8 7047 Riverside San Bernardino Mountains, Whitewater Canyon, about 3 mi above mouth Comment
  POM310156  Ephedra californica Hulda Crooks 1946-3-2 263 Riverside Palm Springs area. 139 Comment
  RSA796330  Ephedra californica Duncan S. Bell 2009-4-19 275 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  UCD133047  Ephedra californica James B. Garner 1959-3-17 408 Riverside vicinity of White Water, north of Palm Springs. Comment
  CAS-BOT-BC81873  Ephedra trifurca Philip A. Munz 1941-4-5 16693 Riverside sand dunes southeast of Iron Mts. Comment
  JOTR30098  Ephedra trifurca La Doux, Tasha, Mike Bell, Amber Holt 2007-2-13 1737 Riverside Joshua Tree National Park. Stop 2: Lost Palms Canyon, Cottonwood Mountains. 621 Comment
  SEINET10532277  Ephedra trifurca Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-22 Holmgren 6477 Riverside Rice Valley, 3 mi SSW of Rice. Common among sand dunes. 244 Comment
  UC874260  Epilobium canum subsp. latifolium I. W. Clokey and E. G. Anderson 1935-8-21 6773 A Riverside hillside n Keen Camp P.O. 1400 Comment
  UCR187475  Epilobium ciliatum Diane Menuz, Angela Hyde 2006-8-24 240 Riverside Peninsular Range; San Jacinto Mtns, North Fork San Jacinto River c. 100 m below FS Rd. 5S09, below Indian Mountain 1331 Comment
  SBBG92149  Epilobium ciliatum subsp. ciliatum J. Hirshberg 1989-7-25 Riverside marsh near SW edge of Vail Lake Comment
  UCR14844  Epilobium densiflorum A. C. Sanders, O. F. Clarke, Dan Vossler 1975-7-23 439 Riverside Santa Ana Mtns., Santa Rosa Plateau, west of Murrieta, c. 1/2 mile west of large vernal pool on Mesa de Colorado. 610 Comment
  RSA382720  Epipactis gigantea George Henry Grinnell 1924-5-24 s.n. Riverside Riverside. Comment
  UCR119806  Eragrostis A. C. Sanders, Mitch Provance 1999-9-26 23092 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  UCR205985  Eragrostis mexicana Mike Misenhelter 2009-7-29 s.n. Riverside Peninsular Range/ San Bernardino Valley, Riverside; Arlington area, west side of Van Buren Blvd. at north side of Lincoln St., across from drive-in theater 259 Comment
  UCR2381  Eragrostis mexicana subsp. mexicana F. M. Reed 1907-11-24 2000 Riverside Riverside. Santa Ana River bottom near Chinese Gardens. Comment
  CAS-BOT-BC204634  Eragrostis mexicana subsp. virescens H. S. Yates 1937-6-28 6744 Riverside Near Indio 30 Comment
  OBI12406  Eremalche exilis Robert F. Hoover 1969-4-14 11235 Riverside Palm Springs, just S of S city limit Comment
  RSA584898  Eremalche exilis C. Reiser 1991-3-26 s.n. Riverside Gavilan Hills, Harford Springs County Park, northwestern corner of Park south of harford Spring and north od trailer park. 579 Comment
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Mar 4 2013
  UC729749  Eremalche rotundifolia Carl B. Wolf 1932-4-29 3124 Riverside 4 mi. e. of Rice on rd. to Parker; e. Colorado Desert 213 Comment
  CLARK-A1528-2642  Eremocarpus setiger John C. Roos 1965-7-27 Riverside Elsinore Comment
  RSA421558  Eremocarpus setiger M. M. Thompson 1947-6-9 C- 2065 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  UCR279382  Eremothera boothii A. C. Sanders, Jim Malusa 2017-3-24 42968 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  SD21516  Eremothera boothii subsp. condensata Frank F. Gander 1938-5-21 5759 Riverside Shaver's Summit Comment
  JOTR33990  Eremothera boothii subsp. desertorum La Doux, Tasha, M. Harding 2010-4-7 2878 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  UCR245259  Eremothera refracta Jim Andre 2012-3-19 21306 Riverside Sonoran (Colorado) Desert, north end of Orocopia Mountains, 0.5 mi. south of junction of Box Canyon Rd and I-10 Fwy, 23 miles east of city of Coachella 470 Comment
  UCR113545  Eriastrum densifolium subsp. austromontanum Mitch Provance 1998-6-12 699 Riverside Santa Ana River Wash, Riverside, 1/8 mile NW of Tequesquite Ave. and Gregory Rd. 229 Comment
  UCR126206  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1993-7-9 124 Riverside Arroyo Seco Creek, adjacent to Dripping Springs Public Campground, c. 500 m south of terminal loop of campground road, along east bank of creek 488 Comment
  RSA0119715  Eriastrum diffusum subsp. coachellae J. Mark Porter, Valerie Soza, Gary D. Wallace 2001-4-2 12346 Riverside Coachella Valley, ca. 1 mi E of Desert Hot Springs, Long Canyon, on W side of Long Canyon Road. 396 Comment
  UCR177988  Eriastrum eremicum John Wear 2004-4-1 s.n. Riverside Sonoran (Colorado) Desert, Palm Springs, 2 acre parcel c. 320 ft. east of intersection of West Vista Chino and Via Norte on the north side of Vista Chino, 310 and 320 West Vista Chino Road 183 Comment
  UCR58302  Eriastrum sapphirinum George K. Helmkamp 1989-10-7 s.n. Riverside San Jacinto Mtns, N slope of Thomas Mtn, 1 mi. SW of Hwy 74 on Thomas Mtn Road 1500 Comment
  POM359406  Ericameria linearifolia Ora M. Clark 1929-2-23 1545 Riverside South of Cabazon Comment
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Mar 13 2011
  RSA336406  Ericameria linearifolia R. F. Thorne, A. Shmida 1978-4-23 52075 Riverside Bighorn Lookout: Santa Rosa Mountains. Comment
  CHSC118898  Ericameria linearifolia Mike Lahti 2012-5-10 Riverside Ramsey Road, one miole east of Terwilliger Road, six mile south of Anza. Chaparral. Comment
  OBI42653  Ericameria paniculata D. Hoover 1986-4-7 773 Riverside South of Morongo Valley; area at the main BLM gate; base of the main canyon 549 Comment
  RSA0121042  Ericameria paniculata Duncan S. Bell, LeRoy Gross 2016-3-29 9125 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5 air miles southeast of the summit of Martinez Mountain. 686 Comment
  UCR34961  Ericameria pinifolia L. B. Ziegler 1966-10-16 104 Riverside San Jacinto Valley/San Jacinto Mtns. Foothills, Soboba Indian Reservation 503 Comment
  UCD132022  Erigeron strigosus var. strigosus Steve Morgan 1994-3-25 94 -1 Riverside in the UCR Botanic Garden. Comment
  CAS-BOT-BC189084  Eriodictyon crassifolium Nancy Ryan Zabriskie; Walter Zabriskie 1970-3-27 269 Riverside Adjacent to and above stream below Andreas Canyon Club clubhouse, Andreas Canyon 304 Comment
  CAS-BOT-BC226800  Eriodictyon crassifolium A. C. Sanders; T. B. Salvato 2012-4-27 40091 Riverside Peninsular Range; Santa Ana Mtns. Region: Temescal Canyon, along Temescal Canyon Rd. east of I-15 crossing and mouth of Mayhew Cyn. 313 Comment
  POM3886  Eriodictyon crassifolium Jenkins, L. T. Street s.n. Riverside San Jacinto River Canyon. Comment
  RSA653350  Eriodictyon crassifolium B. F. Rogers 1984-4-21 9 Riverside Collected along trail & bank area of the west side of Strawberry Creek heading upstream. Starting point was 4.9 miles from Cranston Ranger Station heading East on Hwy. 74. 915 Comment
  SEINET244776  Eriodictyon crassifolium Ian G. Gillespie, Summer Karsh 2000-5-13 41 Riverside San Jacinto Mtns.; ca 200 m up Mt. Edna Road off Hwy 243 on the northern side of the mountains. 1159 Comment
  POM184032  Eriogonum apiculatum P. A. Munz 1932-10-16 12846 Riverside Santa Rosa Mountains: road from Indio to Vandeventer Flat. 1159 Comment
  UC729845  Eriogonum apiculatum Carl B. Wolf 1932-8-5 3938 Riverside along trail from Tahquitz Valley to San Jacinto Peak; San Jacinto Mts. 2621 Comment
  CAS-BOT-BC492917  Eriogonum apiculatum Louis Wheeler 1945-10-7 6412 Riverside San Jacinto Mountains: divide between West Fork Snow Creek and North Fork San Jacinto River 2377 Comment
  JOTR32853  Eriogonum brachypodum La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1167 Riverside Joshua Tree National Park. Little San Bernardino Mountains, east of Queen Mountain, near north entrance to park; basalt rocky slopes 946 Comment
  UCR3379  Eriogonum deflexum John Minnich 1964-3-22 64-3-22- 12 Riverside Sonoran (Colorado) Desert, Mouth of Box Canyon, on State Hwy 195, E side of dam formed by Painted Canyon turnoff. 0 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
  RSA771106  Eriogonum elongatum Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4733 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119. 604 Comment
  UCR3399  Eriogonum elongatum John Minnich 1964-2-27 64-2-27- 4 Riverside Box Springs Mtns., Stone Face Canyon, 0.25 mi. past end of Two Trees Road and 1/2 mi. up side canyon above reservoir Comment
  OBI81681  Eriogonum fasciculatum Cecelia Call 1958-7-14 7 Riverside On Chase drive near Corona Comment
  RSA133100  Eriogonum fasciculatum var. foliolosum Donald A. Johansen 1933-7-14 s.n. Riverside Mesa Mira. Comment
  RSA242186  Eriogonum fasciculatum var. foliolosum James L. Reveal, Caroline G. Reveal 1972-8-9 2848 Riverside Along California Highway 79 at the junction of Auld Rd. south of Winchester, on low hills on sandy soil. Comment
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Mar 20 2011
  RSA650852  Eriogonum fasciculatum var. foliolosum William Wilson 1948-2-14 s.n. Riverside 11 miles SE Hemet. 549 Comment
  UC75787  Eriogonum fasciculatum var. foliolosum Miss M. A. King 1893-1 Riverside Menifee Comment
  UCR268314  Eriogonum fasciculatum var. foliolosum Jim Andre 2012-6-15 30493 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243 at Mount Edna Road, c. 1 mile north of McMullen Flat, 5.9 miles south of Hwy I-10 at Banning 1172 Comment
  JOTR31138  Eriogonum fasciculatum var. polifolium La Doux, Tasha 2009-6-3 1850 Riverside Joshua Tree National Park. (Stop 1): Little San Bernardino Mountains, Covington Flats, ridge line south of peak 1547 Comment
  RSA648264  Eriogonum fasciculatum var. polifolium Diane M. Ramirez 1983-5-15 20 Riverside Poppet Flat Divide Truck Trail, 1 1/2 mi S of junction with CA hwy 243, S of Banning. Comment
  RSA774886  Eriogonum fasciculatum var. polifolium Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5011 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
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May 22 2012
  UC849417  Eriogonum fasciculatum var. polifolium I. W. Clokey, E. G. Anderson 1935-8-21 6592 Riverside Keen Camp P.O. 1360 Comment
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Nov 20 2010
  UCD100022  Eriogonum fasciculatum var. polifolium K. Esau 1935-6-20 s.n. Riverside Beaumont Grade. Comment
  UCR121337  Eriogonum fasciculatum var. polifolium A. C. Sanders, Mark Elvin, Vipul Joshi 2002-4-26 25034 Riverside The Badlands, west fork of Laborde Canyon near old rocket test facility 622 Comment
  UCR137050  Eriogonum gracile A. C. Sanders 2004-5-5 27757 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  UCR5717  Eriogonum gracile Frank C. Vasek 1966-9-5 660905- 09 Riverside San Jacinto Mtns., 1 mile north of Mountain Center toward Idyllwild 1445 Comment
  UCR166711  Eriogonum gracile var. gracile Scott D. White 2005-7-6 11158 Riverside San Jacinto Mtns/Sonoran/Colorado Desert, San Gorgonio Pass: Cabazon. Toeslope of the San Jacinto Mtns and adjacent fan west of San Gorgonio River, south of the I-10 Fwy 610 Comment
  JEPS56775  Eriogonum maculatum Marjorie D. Clary 1932-6-5 1020 Riverside 15 mi nw Indio (Dead Indian Trail); Colorado Desert 243 Comment
  JOTR33783  Eriogonum maculatum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2925 Riverside Joshua Tree National Park. north of Quail Mountain, near the mouth of Johnny Lang Canyon; loamy and gravelly gentle slopes with rock outcrops in an old burn area from 1999 fire 1173 Comment
  CAS-BOT-BC270598  Eriogonum molestum James L. Reveal; C. Rose Broome 1987-6-27 6613 Riverside Along Morris Ranch Road, 1.9 mile northeast of California Highway 74 and about 1.5 mile northeast of Kenworthy Guard Station, about 8 airline miles southeast of Mountain Center, San Jacinto Mountains 1584 Comment
  RSA393696  Eriogonum molestum N. C. Cooper 1944-6-16 1558 Riverside San Jacinto Mountains, above Pine Cove. 2073 Comment
  SDSU6793  Eriogonum nudum H. Wedberg 1962-7-28 991 Riverside In Hemet Valley; about 1 miles from Herkey Creek Public Camp on the road to Santa Rosa Summit, San Jacinto Mountains. 1372 Comment
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Jan 24 2013
  UC729872  Eriogonum nudum var. pauciflorum Carl B. Wolf 1932-8-5 3986 Riverside along trail from Tahquitz to San Jacinto Peak (between 1st and 2nd meadow); San Jacinto Mts. 2743 Comment
  RSA64587  Eriogonum pusillum F. W. Peirson 1928-3-10 7702 Riverside Just east of Whitewater Bridge, near Whitewater, at head of Coachella Valley. Comment
  UCR16529  Eriogonum reniforme Heather Johnston, C. M. Bringle 1967-5-16 s.n. Riverside Sonoran (Colorado) Desert, North Palm Springs. 4.6 miles east ('south') of Indian Ave. on Dillon Road 244 Comment
  JOTR37422  Eriogonum thomasii La Doux, Tasha 2016-3-9 3658 Riverside Above Hayfield Dry Lake - Stop 1 509 Comment
  RSA550279  Eriogonum thomasii Walter Wisura, J. Dolan, M. Wall 1992-3-24 4617 Riverside Lowdesert: 4.7 mi NE of Mecca on Box Canyon Rd. Comment
  RSA644221  Eriogonum thomasii Victor W. Steinmann, P. I. Moscosa, T. S. Ross 1998-4-14 1368 Riverside Orocopia Mountains, 1.5 km southwest of the Hayfield exit of I-10; ca. 600 m. Along a small wash on north-facing slope. 183 Comment
  RSA727868  Eriogonum thomasii Naomi Fraga, Lisa Rojas 2005-2-10 1354 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  RSA775399  Eriogonum thomasii Duncan S. Bell 2011-4-10 2251 Riverside Northwest side of the Arica Mountains; northwestern section of project area; collecting in a large wash approximately 3.5 air miles south of Highway 62. 299 Comment
  SBBG1631  Eriogonum thomasii H. and M. Dearing 1942-4-8 4871 Riverside Riverside Mtns, 35 mi N of Blythe Comment
  SBBG99612  Eriogonum thomasii W. L. Halvorson 1977-3-8 77 -92 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  UCR245231  Eriogonum thomasii Jim Andre 2012-3-19 21320 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
  UCR41912  Eriogonum thomasii A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6064 Riverside Sonoran (Colorado) Desert, Graham Pass, between Chuckwalla Mtns & Little Chuckwalla Mtns. 503 Comment
  RSA526508  Eriogonum thurberi Steve Boyd, Tim S. Ross 1990-5-11 4703 A Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  UC63437  Eriogonum thurberi H. M. Hall 1904-5-19 4950 Riverside vicinity of Riverside (Fairmount Park); Fairmount Park 243 Comment
  CAS-BOT-BC263596  Eriogonum trichopes Geo. B. Grant 1906-4-20 6719 Riverside Palm Springs, Colorado Desert Comment
  UC68585  Eriogonum trichopes L. A. Greata April 1905 389 Riverside Coachella Colorado Desert, Coachella Comment
  SD259056  Eriogonum wrightii var. membranaceum Sarah J. De Groot, Duncan S. Bell 2015-9-21 7581 Riverside Santa Rosa Mountains southsouthwest of Palm Desert. Along Dunn Road between Asbestos Mountain andHaystack Mountain. 1241 Comment
  UC69159  Erioneuron pulchellum H. M. Hall 1905-5-1 5961 Riverside canyons near Colorado River; Colorado Desert Comment
  UCR75080  Erioneuron pulchellum A. C. Sanders, E. J. Lawlor 1992-4-4 12133 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  SEINET8687228 Image available Eriophyllum ambiguum H. M. Hall 1905-4-14 5760 Riverside Near Palm Springs 150 Comment
  RSA772410  Eriophyllum confertiflorum Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4855 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  POM31318  Eriophyllum multicaule Marcus E. Jones 1882-4-25 s.n. Riverside San Jacinto. Comment
  SEINET2051199 Image available Eriophyllum multicaule Ricardo Montijo 1990-4-27 Riverside Rancho California area: E. of Santa Rosa Plateau, Green Meadow Road off de Portoloa. Sage 7.5 610 Comment
  OBI8136  Eriophyllum wallacei David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-28 12068 Riverside Joshua Tree Natl Monument, along Pinto Basin Rd 5.5 mi N of Cottonwood campgrounds Comment
  CDA35049  Erodium brachycarpum Scott D. White, Justin Wood 2008-3-25 11775 Riverside Perris/Elsinore Basin; Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon Morgan Property, Alberhill area. Comment
  CHSC79751  Erodium cicutarium D. Atwood; L. Stritch 1993-4-2 17913 Riverside Santa Rosa Plateau TNC Preserva and adjacent to BLM administrated lands. 670 Comment
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May 15 2015
  CSUSB52  Erodium moschatum Cary Brown 1964-3-27 27364 1 Riverside East side of Pachappa Hill, City of Riverside. 274 Comment
  RSA700097  Erodium moschatum Virginia Moran 2003-4-2 s.n. Riverside Collected from Warm Springs Preserve, managed by the Center for Natural Lands Management. Located approximately 8 km. north of Temecula, approximately 3 km. northeast of the end of Hunter Road. Comment
  RSA651254  Erysimum capitatum Diane M. Ramirez 1983-5-15 23 Riverside Poppet Flat Divide Truck Trail, 1 mi S of junction with CA Hwy 243, S of Banning. Comment
  SDSU2406  Erysimum capitatum M. De Lisle 1962-7-28 20 Riverside Black Mtn, campgrounds Forest floor, Montane forest. 2347 Comment
  RSA0019306  Erythranthe guttata Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 638 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA0015891  Erythranthe moschata E. C. Jaeger 1921-7-1 1049 Riverside Long Valley. Comment
  SD152745  Erythranthe palmeri Steve Boyd, Tim Ross, Dave Bramlet 1993-5-12 7349 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream from conflunence with Los Alamos Canyon downstream to confluence with Tenaja Canyon 366 Comment
  RSA0014890  Erythranthe tilingii Charlotte M. Wilder s.n. Riverside Tahquitz. San Jacinto Mountains. Comment
  RSA433685  Eschscholzia californica Bonnie C. Templeton 1930-4-15 1489 Riverside Near Gavilan Peak. 500 Comment
  UC10065  Eschscholzia californica Geo. F. Reinhardt June 1897 Riverside San Jacinto Valley Comment
  UCR58490  Eschscholzia californica Ed LaRue 1989-6-11 s.n. Riverside Peninsular Range, W side of Lakeview Mtns., c. 1 mi SE of town of Nuevo 640 Comment
  SEINET13710935  Eschscholzia californica S. W. Austin, S. W. Austin 1969-1 27 Riverside W Side of Mts, E of Rr Tracks & N of RaviNE North of Big Springs Rd, Above 2000 Ft 610 Comment
  HSC83355  Eschscholzia minutiflora Curtis Clark 1976-4-13 526 Riverside Mecca-Joshua Tree Rd., 7 mi. SW of junction with Hwy. 10 244 Comment
  RSA663887  Eschscholzia minutiflora C. R. Annable 1995-3-15 2282 Riverside 2.7km SW of Valerie on road to Martinez Canyon. Comment
  SD248466  Eschscholzia minutiflora T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7296 Riverside Sonoran (Colorado) Desert: south of Hwy I-10, north of the Chuckwall Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road (East of Aztec Mines 7.5'Q) 136 Comment
  UCD95437  Eschscholzia papastillii Curtis Clark 1976-4-13 527 Riverside Mecca-Joshua Tree Road, 7 miles southwest of junction with Interstate Highway 10. Comment
  UCD96467  Eschscholzia papastillii Shannon M. Still; Jennifer R. Still, Charles M. Still 2008-2-15 261 Riverside California. Riverside County: Joshua Tree National Park. 540 Comment
  UCD96505  Eschscholzia papastillii Shannon M. Still 2009-2-21 437 Riverside California. Riverside County. 170 Comment
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Sep 2 2017
  RSA0023133  Eschscholzia papastillii I. W. Clokey 1935-4-17 6628 Riverside Cottonwood Springs. Comment
  UCR41840  Eschscholzia parishii A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6061 Riverside Sonoran (Colorado) Desert, Graham Pass, between Chuckwalla Mtns & Little Chuckwalla Mtns. 503 Comment
  UCR112493  Eucalyptus citriodora A. C. Sanders 1998-6-12 21981 Riverside Riverside, UCR campus, in gravel among trailers in 'surge area' (UCR trailer park) on east side of campus 335 Comment
  UCR241813  Eucalyptus rudis A. C. Sanders, John F. Green 2013-3-27 40689 Riverside Peninsular Range, Alberhill, along Lake St. near the old clay mines, 0.83 km south of I-15 Fwy 389 Comment
  POM256724  Eucrypta chrysanthemifolia W. Pequegnat 1940-4-13 s.n. Riverside Bedford Truck Trail. Santa Ana Mountains. 793 Comment
  RSA612493  Eucrypta chrysanthemifolia D. L. Banks 1997-2-23 1324 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
  UC917589  Eucrypta chrysanthemifolia var. chrysanthemifolia Frank W. Gould 1944-4-5 2232 Riverside 17 mi e Temecula Comment
  RSA0123776  Eucrypta micrantha Duncan S. Bell, LeRoy Gross 2016-3-10 8873 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 1.75 air miles northwest of the summit area. 938 Comment
  CHSC1157  Eulobus californicus M. Garbutt 1935-4-17 Riverside San Gorgonia Pass. Comment
  CAS-BOT-BC202785  Euonymus occidentalis var. parishii S. B. Parish; W. F. Parish 1881-7-25 957 Riverside San Jacinto Mt. Comment
  UCR240764  Euphorbia abramsiana Neal Kramer, Wendy McBride, Kyle Christie, Suzanne Rhodes 2012-9-5 2071 Riverside Sonoran (Colorado) Desert, Midland Rd. c. 18 miles NNW of Blythe 245 Comment
  RSA433522  Euphorbia eriantha Anstruther Davidson 1893-4-10 s.n Riverside Palm Springs. Comment
  SD146282  Euphorbia eriantha B. Pitzer, Tracy Tennant 1998-2-21 3538 Riverside Colorado Desert, north-facing bajada on south side of Hayfield Lake between lakebed & Hwy 1-10, Hayfield Spring, in washes & on flats 412 Comment
  RSA0041945  Euphorbia jaegeri Duncan S. Bell, Loraine Washburn 2014-4-9 6590 Riverside Orocopia Mountains; northeast section of range; approximately 3.75 air miles south of Hayfields Lake. 551 Comment
  UCSB11045  Euphorbia lurida Breedlove, Dennis 1961-5-6 Riverside 4.2 mi. SE Vista Grande Guard Station on Riverside County Hwy. 1, San Jacinto Mts., 150 yds. SW of road 1798 Comment
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Mar 1 2014
  UCR120426  Euphorbia maculata Mitch Provance 1998-7-23 912 E Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 305 Comment
  UCD142698  Euphorbia polycarpa Robert F. Thorne; Rolf and Gertrud Dahlgren 1979-8-23 53601 Riverside Pinto Basin Road: Along road at meeting area of Mojave and Colorado Deserts. 1097 Comment
  SD43539  Euphorbia setiloba Philip A. Munz 1946-10-20 11579 Riverside Palms to Pines Highway at north base of Santa Rosa Mountains 1039 Comment
  UCR264457  Euphorbia setiloba A. C. Sanders, Jim Malusa 2015-9-10 41850 Riverside Sonoran (Colorado) Desert, Salt Creek Canyon, along Summit Road c. 1.5 miles above mouth of Red Canyon, edge of Chocolate Mountains Aerial Gunnery Range 433 Comment
  JOTR31937  Fagonia laevis La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2175 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky wash with gradual, loose slopes on either side; draining into west Pinkham Wash Comment
  LA105789  Fagonia laevis David Charlton; 1988-2-18 1149 Riverside S side of Little San Bernardino Mountains, Fargo Canyon Road to Cottonwood Wash, S of Joshua Tree National Park, parallel to I-10, 5 mi E of Jct Dillon Rd. and Fargo Cyn Rd 761 Comment
  POM128657  Fagonia laevis M. French Gilman 1927-5-22 s.n. Riverside Corn Springs, Chuckwalla Mts. Comment
  CAS-BOT-BC173165  Fagonia pachyacantha Steve Boyd; Tammy Morgan; Aydee Virgen; Sarah De Groot; Valentin Arvizu; Tim Thibault 2004-5-14 11237 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road... Comment
  JOTR31895  Fagonia pachyacantha La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2144 Riverside Joshua Tree National Park. West Cottonwood Mountains; east edge of Pinkham Wash east of Pinkham Canyon Road; loose, cobbley, south facing slope above large drainage Comment
  CDA43476  Fatoua villosa Chandler & Mellor 2015-11-13 PDR# 331 P06143073-1 Riverside Menifee; Ramirez Foliage, 32883 Ascot Way. 0 Comment
  RSA439066  Ferocactus cylindraceus H. de Forest 1924-4-15 s.n. Riverside Near Whitewater Highway. Palm Springs Road. Comment
  UCR75045  Ferocactus cylindraceus A. C. Sanders, E. J. Lawlor 1992-4-4 12159 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  LA13103  Festuca myuros F. M. Reed; 1906-3-7 897 Riverside above Victoria's Ave Comment
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Jan 18 2014
  UCR91399  Festuca myuros Scott D. White 1995-4-5 2716 Riverside Moreno Valley, Base of slope in 'Badlands', off [Moreno-Redlands] Blvd 640 Comment
  UCR125218  Festuca myuros var. myuros Mitch Provance 1998-5-5 522 Riverside City of Riverside, Hillside area, near Central Ave., along the N periphery of the Riverside Airport, south of the Wall Street Journal Ofc. 250 Comment
  CLARK-A1528-4663  Festuca octoflora John C. Roos 1952-4-9 5483 Riverside Riverside 259 Comment
  UCR97450  Festuca octoflora A. C. Sanders, Pam MacKay, Tim Thomas, G. K. Helmkamp 1997-2-8 19681 Riverside Colorado Desert/San Jacinto Mtns:, Palm Springs area, Tahquitz Debris Basin at mouth of Tahquitz Canyon 183 Comment
  RSA85100  Filago californica J. C. Roos 1952-4-13 5528 Riverside Box Springs Mts. 488 Comment
  RSA504983  Filago depressa D. Charlton 1988-2-18 1153 Riverside S side of Little San Bernardino Mts. Fargo Canyon Road to Cottonwood Wash, S of Joshua Tree National Park, parallel to I-10. 5 miles E of Jct. Dillon Road and Fargo Canyon Road 762 Comment
  UCR175073  Filago gallica Teresa Nieto 2005-5-26 27 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  RSA667032  Forestiera pubescens A. C. Sanders, Mark A. Elvin, M. S. Enright 2002-4-16 24967 Riverside The Badlands: Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont. 549 Comment
  RSA336050  Fouquieria splendens Robert F. Thorne 1978-4-23 52049 Riverside Along Palms to Pines Highway, N slope of Santa Rosa Mts. Comment
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Apr 24 2011
  UCR11339  Fouquieria splendens John M. Spencer 1971-4-16 s.n. Riverside Sonoran (Colorado) Desert, outside S entrance to Joshua Tree National Monument [now Park] Comment
  CAS-BOT-BC223605  Fouquieria splendens subsp. splendens Catherine A. Toschi 1963-4-10 63 :112 Riverside Boyd Desert Research Center, 5 miles south Palm Desert 304 Comment
  HSC86126  Fragaria vesca Jane Hildreth 1981-6-4 17 Riverside James Reserve in the San Bernardino National Forest along Hwy. 243, San Jacinto Mtns. 1616 Comment
  UCSC001447  Fragaria vesca Peter Kamb 1947-5-17 518 Riverside San Jacinto Mts, Hall Canyon 1646 Comment
  RSA0018443  Fragaria vesca M. B. Dunkle 1933-7-20 3707 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  SD229245  Frangula californica subsp. cuspidata Dick Schwenkmeyer 2012-6-27 742 Riverside May Valley, approx. 5 miles southeast of Idyllwild town center, Mt. San Jacinto, Riverside County, CA. 1531 Comment
  LA50901  Fraxinus dipetala Joseph Andorfer Ewan; 1933-3-19 10897 Riverside Santa Ana Mountains, Tin Mine Canyon Comment
  UC22603  Fraxinus velutina Mrs. Flora C. R. Price 1901-8-1 Riverside sw base San Jacinto Mt. 670 Comment
  UCR132720  Fraxinus velutina A. C. Sanders, O. F. Clarke 1991-6-10 11132 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  SD137592  Fremontodendron californicum Darin L. Banks, Victor Steinmann 1995-7-10 755 Riverside NW Palomar Mountains: Agua Tibia Mountains, Cleveland National Forest, Agua Tibia Wilderness Area; along the Wildhorse Trail, W of Lower Arroyo Seco, SE of Woldhorse Peak, along the drainage of the peak Agua 914 Comment
  POM182212  Funastrum cynanchoides var. hartwegii P. A. Munz 1932-4-24 12397 Riverside San Jacinto Mountains: Snow Creek Canyon 457 Comment
  JOTR34258  Funastrum hirtellum La Doux, Tasha, M. Harding 2010-4-7 2923 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; in upper reaches of side canyon, approx. 1 mile north of park boundary Comment
  RSA87112  Galium angustifolium subsp. angustifolium F. W. Peirson 1920-6-22 4500 Riverside Dripping Springs, Temecula River 457 Comment
  SD70482  Galium angustifolium subsp. angustifolium Lauremay T. Dempster, G. L. Stebbins 1966-6-17 4239 Riverside Near Maple Creek crossing of road running due east from Vista Grande Guard Station, San Jacinto Mountains Comment
  UC1518631  Galium angustifolium subsp. angustifolium Robert F. Thorne, Drs. Fosberg, Sachet, and Herbst 1983-4-23 55473 Riverside side canyon on w side Whitewater Canyon (ca 3.3 mi n of Whitewater Post Office); San Bernardino Mts. 594 Comment
  JEPS56052  Galium angustifolium subsp. jacinticum Lauramay T. Dempster 1965-6-17 4129 Riverside road from Banning to Idyllwild; San Jacinto Mts., Fulmor Lake 1615 Comment
  UCR189558  Galium angustifolium subsp. jacinticum Amy Rowland 2007-6-22 089 Riverside Peninsular Range, San Jacinto Mounains, Cahuilla Mountain Trail, c. 0.5mi north of peak of Cahuilla Mountain 1669 Comment
  UC1324393 Image available Galium californicum subsp. primum Lauramay T. Dempster and C. Hardham 1965-6-18 4133 Riverside on road to Alvin Meadow (from Idyllwild); ; Riverside Co. Comment
  UCR193487  Galium porrigens A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35628 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, mouth of nameless tributary NW of Herkey Crk., just north of Bonita Vista Rd. 1543 Comment
  UCR274316  Galium porrigens Jennifer H. Jones, Scott D. White 2005-5-25 94 Riverside Peninsular Ranges; Santa Ana Mtns., Rainbow area; foothills west of I-15 Freeway and immediately north of San Diego County line 579 Comment
  JOTR35081  Galium stellatum La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3532 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocks; narrow drainages surrounded by loose rocky slopes Comment
  UCR34932  Gamochaeta pensylvanica L. B. Ziegler 1977-3-20 560 Riverside Cismontane; San Jacinto Valley, City of San Jacinto 473 Comment
  SD90096  Garrya flavescens subsp. pallida Nancy Ryan Zabriskie, Walter Zabriskie 1972-10-22 545 Riverside N. slope of Santa Rosa Mts, Deep Canyon, By Cactus Spring trail crossing of Horsethief Creek tributary Comment
  UC748987  Garrya veatchii Susan Delano McKelvey 1936-1-1 5049 Riverside turnoff to Anza (Palms to Pines Highway); San Jacinto Mts. Comment
  POM20916  Gastridium phleoides P. A. Munz 1923-9-7 7758 Riverside Trail from Holy Jim Canyon to Santiago Peak 1128 Comment
  RSA343109  Gastridium phleoides R. F. Thorne, Walter Wisura, Lathrop, Meury 1985-5-18 60647 Riverside Santa Rosa Plateau: Mesa de Colorado 625 Comment
  SD152991  Gastridium phleoides Steve Boyd 1992-4-23 7063 Riverside San Mateo Canyon Wilderness Area. Along San Mateo Creek from Riverside county line, following San Mateo trail upstream to the confluence with Bluewater Canyon 244 Comment
  CHSC339  Geraea canescens E. Thomas 1940-3-3 Riverside Coachella Valley. -21 Comment
  RSA0108940  Geraea canescens Duncan S. Bell, Amanda Bell 2012-1-28 3070 Riverside East side of the Arica Mountains; collecting in Rice Valley, approximately 6 air miles southeast of the ghost town of Rice. 202 Comment
  UC727401  Geraea canescens Rateaver 1944-1-30 38 Riverside along trail of entrance to Palm Village Comment
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Mar 13 2014
  UCR245958  Geraea canescens Duncan S. Bell 2009-3-8 51 Riverside Arica Mountains, east side of range, c. 1.8 air miles NW of Priest Well 350 Comment
  SEINET9122025  Geraea canescens K. K. Muller 1965-1 1275 Riverside Vacant fields at edge of Indio, very common in sandy soil. Comment
  UCR123247  Geranium carolinianum A. C. Sanders, T. B. Salvato 2000-5-8 23384 Riverside San Bernardino Valley region, Riverside, UCR Botanical Garden, E side of the campus 396 Comment
  CAS-BOT-BC225253  Gilia J. Vale 1980-4-12 s.n. Riverside Near Aguanga, on Highway 79 Comment
  RSA470130  Gilia angelensis Christopher Davidson 1973-4-1 1832 Riverside Jct. Vail Lake Marina and Hwy. 71/79, about 3 miles west of Aguanga. 426 Comment
  RSA613468  Gilia angelensis D. L. Banks, Victor W. Steinmann 1997-3-13 1453 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  SEINET7072818  Gilia angelensis A. G. Vestal 1963-5-19 s.n. Riverside Open bush country about 3.6 miles northeast of Aguanga on Route 371 [on the Cahuilla Road] Coordinate datum: WGS84/NAD83. (33? deg. 29' 7" North Latitude, -116? deg. 49' 54" West Longitude, Coordinate datum: NAD27.). Comment
  UC217962  Gilia angelensis P. A. Munz and I. M. Johnston 1922-5-19 5350 Riverside 5 mi ne Murietta; ne of Murietta 457 Comment
  UCR104040  Gilia angelensis George K. Helmkamp 1998-4-3 3083 Riverside Sonoran (Colorado) Desert, West Palm Springs Village area, vic. of Hwy I-10 & Verbenia Ave.; 4 mi. north of Tamarack Rd on Cottonwood Rd. 1280 Comment
  UCR114822  Gilia angelensis Mitch Provance, Seychelle Provance 1998-2-21 90 Riverside Pedley Hills, E side of Camino Real, c. 0.5 miles south of Jurupa Road, in the areas of Pedley/Glen Avon. 396 Comment
  UCR183340  Gilia angelensis Mitch Provance 2005-5-27 4602 Riverside San Bernardino Valley, Riverside, Sycamore Canyon, just east of the corner of Canyon Crest Drive and Via Vista 381 Comment
  UCR91224  Gilia angelensis Scott D. White 1996-3-31 3871 A Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  RSA612687  Gilia angelensis D. L. Banks 1997-3-29 1611 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
  UCR50078  Gilia australis N. M. Fellows, A. C. Sanders 1985-4-9 134 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  UCR157962  Gilia capitata T. B. Salvato, A. C. Sanders 2005-5-17 926 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
  POM10428  Gilia capitata subsp. abrotanifolia Reed s.n. Riverside Riverside. Comment
  RSA470272  Gilia capitata subsp. abrotanifolia Jean Carnine 1932-2-28 s.n. Riverside Santa Ana River Comment
  RSA543745  Gilia capitata subsp. abrotanifolia Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6049 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  UC23644  Gilia diegensis H. M. Hall 1899-5-20 1122 Riverside Strawberry Valley San Jacinto Mountains, Strawberry Valley 1600 Comment
  SD185283  Gilia ochroleuca T. B. Salvato, Kent Beaman 2005-5-16 816 Riverside San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Highway 74. 548 Comment
  CAS-BOT-BC407805  Gilia ochroleuca subsp. exilis H. M. Hall 1901-6-1 2060 Riverside San Jacinto Mountains, vicinity of Chalk Hill 1524 Comment
  UCR29823  Gilia scopulorum George K. Helmkamp 1983-3-24 383- 16 Riverside Sonoran (Colorado) Desert, north base of the Little Chuckwalla Mountains, 1.5 miles east of Graham Pass Road 336 Comment
  UCR44363  Gilia sinuata A. C. Sanders 1986-6-1 6559 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  RSA0105292  Gilia stellata Duncan S. Bell, Rachel Darney-Lane, Evan Meyer 2015-2-24 7755 Riverside Morongo Canyon Preserve; collecting in side canyon off of Little Morongo Canyon, just below (south of) the San Bernardino/Riverside county border. 777 Comment
  UCR272292  Gilia stellata Duncan S. Bell, Rachel Darney-Lane, Evan Meyer 2015-2-24 7755 Riverside Little San Bernardino Mountains, Morongo Canyon Preserve, side canyon off of Little Morongo Canyon, just south of the Riverside/San Bernardino county border 777 Comment
  UCR178206  Glyceria declinata T. B. Salvato, Tracy Tennant 1998-4-23 MOR- 905 Riverside San Bernardino Mtns., Morongo Indian Reservation, seep in Wood Canyon, tree stand W-07 1220 Comment
  RSA180320  Gnaphalium californicum E. W. Lathrop 1965-4-4 5621 Riverside 8 miles west of Murrieta Comment
  UCR21161  Gnaphalium californicum Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  UCR92316  Gnaphalium californicum Scott D. White 1994-3-29 1933 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  UCR97752  Gnaphalium californicum A. C. Sanders 1997-3-1 19734 Riverside Box Springs Mountains, Pigeon Pass, canyon below Regulus Road, 0.6 mi. west of Pigeon Pass Road., 0.4 mi. east of Bench Mark 'Table' (2559 ft). 610 Comment
  UCR201862  Gnaphalium canescens Justin M. Wood 2008-9-19 133 Riverside SW Perris Basin, Temecula - Murrieta Creek, downstream of First Street Bridge 305 Comment
  UCR106347  Gnaphalium canescens subsp. beneolens John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  UCR119264  Gnaphalium canescens subsp. microcephalum Mitch Provance 1998-6-10 637 Riverside City of Riverside, East side of Pachappa Hill, as accessed from where Panorama road crosses the 91 freeway. 335 Comment
  UCR141245  Gnaphalium canescens subsp. microcephalum A. C. Sanders, Kelly Volansky 2004-10-6 28814 Riverside Santa Ana Mtns./Santa Rosa Plateau, 41050 Avenida La Cresta, south of Sierra Maria Rd. and c. 1.5 mi. north of Tenaja Rd., c. 2 miles NW of the Mesa de Colorado 671 Comment
  POM48727  Gnaphalium chilense I. M. Johnston 1924-7-29 8834 Riverside 6 miles SE of Poppet Flats, San Jacinto Mountains. 1524 Comment
  RSA564288  Gnaphalium palustre Ed LaRue 1993-5-10 s.n. Riverside Murrieta Oaks, 3 miles (airline) NW of Murrieta Hot Springs, W side of Hwy 215 457 Comment
  JOTR31076  Grayia spinosa La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2339 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west of Ryan Mountain; Gravelly flats near Ryan Mountain campground (Stop 1) Comment
  JOTR32484  Grayia spinosa La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 2456 Riverside Joshua Tree National Park. West of Queen Mountain, southern end of Wonderland of Rocks; Wonderland Wash, north of Mill Street Mine parking area. Active wash corridor with sandy bottom and surrounded by granitic outcrops and pediments; with heavy foot traffic (Stop 1) 1297 Comment
  POM96188  Guillenia lasiophylla Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring, Chuckwalla Mountains, Colorado Desert. Comment
  CLARK-A1528-227  Gutierrezia bracteata R. P. Sunderman 1968-5-1 1 Riverside Riverside 335 Comment
  RSA645866  Gutierrezia californica Scott D. White 1995-9-22 3687 Riverside San Bernardino Basin: San Jacinto Valley: March AFB, W of Plummer Rd. and S of Cactus Rd., +/-0.7 mi W of 215 Fwy. 457 Comment
  POM259263  Gutierrezia sarothrae P. A. Munz 1938-8-14 15388 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2438 Comment
  RSA0080442  Gutierrezia sarothrae Sarah J. De Groot, Duncan S. Bell 2015-9-21 7580 Riverside Santa Rosa Mountains south-southwest of Palm Desert. Along Dunn Road, between Asbestos Mountain and Haystack Mountain. 1241 Comment
  UC1214002  Gutierrezia sarothrae Otto T. Solbrig 1956-4-23 2169 Riverside sides of Hwy 60 1/2 mi w UC Riverside campus 300 Comment
  UCR141236  Haplopappus squarrosus A. C. Sanders, Mike Misenhelter 2004-10-6 28830 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
  UCR281495  Harpagonella palmeri Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-4-5 417- 94 Riverside Temescal Valley, S side of De Palma Rd, about 0.5 mile WNW of Horsethief Canyon Rd. 400 Comment
  RSA0066616  Harpagonella palmeri P. A. Munz, Ivan M. Johnston 1922-5-19 5335 a Riverside 5 mi NE of Murietta. 427 Comment
  UCR172284  Hedypnois cretica John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley: Leon Road (San Diego Aqueduct right of way) from Borel Road/Tucalota Creek S for c. 0.25 mi 427 Comment
  UCR121326  Helianthemum scoparium A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 24993 Riverside Peninsular Range; San Jacinto Mtns. Region, The Badlands; summit of Mt. Eden, SW of Beaumont 717 Comment
  RSA502492  Helianthus annuus subsp. lenticularis Steve Boyd, T. S. Ross, L. Arnseth 1989-6-11 3733 Riverside Vail Lake area: edge of hills on N of Wilson Creek at E end of lake. 488 Comment
  CLARK-A1656-788  Helianthus niveus subsp. canescens Jon Mark Stewart 1982-4-14 Riverside Palm Desert 60 Comment
  UCR35180  Heliotropium curassavicum var. oculatum L. B. Ziegler 1974-5-20 525 Riverside San Jacinto Valley, San Jacinto River bed 489 Comment
  UCR183334  Hemizonia fasciculata Mitch Provance 2005-5-27 4605 Riverside San Bernardino Valley, Riverside, Sycamore Canyon, just east of the corner of Canyon Crest Drive and Via Vista 381 Comment
  UCR105990  Hemizonia paniculata D. L. Banks 1997-5-5 1952 Riverside NW Palomar Mtns., Agua Tibia Mtns: NW foothills of Dorland Mtns, along Los Caballos Road, approx 0.4 m south of Hwy 79, 150 m north of Anza Road. Along the W side of the road in areas burned by the 1996 Temecula Fire 390 Comment
  UCR113183  Hemizonia paniculata Mitch Provance 1998-3-3 141 Riverside Jurupa Mountains, Glen Avon Hts., Boulder Park, 0.7 km west of Pyrite St. on the north side of Granite Hill Dr. 305 Comment
  UCR128250  Hemizonia paniculata A. C. Sanders, Kelly Volansky 2003-10-16 27335 Riverside Moreno Valley, lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  UCR167830  Hemizonia paniculata T. B. Salvato, Melissa Clemons 2005-6-2 1354 Riverside Peninsular Range; Temescal Valley, Gavilan Hills, c. 0.5 mi SE of Steele Peak, 4 miles SW of Perris, and 6 miles NNE of Lake Elsinore, NW of Hwy 74 610 Comment
  UCR266254  Hemizonia paniculata D. E. Bramlet 2006-7-26 4041 Riverside Perris-Aguanga Basin Region, Menifee Valley, Old Newport Road west of Briggs Rd. 439 Comment
  UCR62105  Hemizonia paniculata Ed LaRue 1989-6-14 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, east edge of Plateau overlooking town of Murrieta; c. 1.25 mi west of town and c. 1 mi (airline) east of De Luz Road 549 Comment
  UCR202215  Hemizonia pungens subsp. laevis Denise Woodard, G. Nuhn 1995-8-21 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, 300 acre parcel at west end of Domenigoni Valley, c. 3 miles south of Winchester on the west side of Winchester Rd. 470 Comment
  UCR85528  Hemizonia pungens subsp. laevis Scott D. White 1993-4-30 1311 Riverside San Jacinto Valley, Near intersection of Warren Rd. and Stetson Ave. 458 Comment
  CAS-BOT-BC403802  Hesperocnide tenella A. C. Sanders 1997-3-1 19753 Riverside Riverside: Box Springs Mtns., S end of the range along Gernert Rd. (dirt), in valley draining to Box Springs Cyn. 457 Comment
  SEINET4118150  Hesperocnide tenella J. Mygatt, M. Mygatt; A. Munson 1996-1 M- 96 -91 Riverside Box Spring Mountain Park; end of Two Trees Road, not far from the trail head. Comment
  SBBG120598  Hesperolinon micranthum A. C. Sanders 2006-5-19 32389 Riverside hills between Murrieta and Menifee Valley, W of I-215, S of Bundy Cyn/Scott Rd and N of Clinton Keith Rd 518 Comment
  SD186321  Heteromeles arbutifolia Andy C. Sanders 2004-6-20 28211 Riverside Peninsular Range: Temescal Canyon, Serrando Highlands project, between Glen Ivy Hot Springs and Arcilla, NE side of the i-15 Fwy, south of Clay Canyon Rd. 305 Comment
  UCR241230  Heteromeles arbutifolia Tracy Tennant, Jeffrey Ross 1998-7-30 MOR- 689 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Canyon 1067 Comment
  SD122457  Heterotheca grandiflora Duffie Clemons, Jim Dice and Glenn Keator 1988-2-18 1940 Riverside North bank of Santa Margarita River,Santa Magarita Ecological Preserve near Temecula Comment
  UCR22205  Heterotheca grandiflora Steve Boyd 1980-9-17 s.n. Riverside Perris Basin, Motte Reserve, 1/2 mi SW of Orange St. 2.5 mi NW of Perris 518 Comment
  RSA0075885  Heterotheca grandiflora Steve Boyd 1992-9-9 7675 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
  SDSU1699  Heterotheca sessiliflora F. Young Berg 1933-8-28 1547 Riverside Idyllwild, San Jacinto Mts. Comment
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Mar 10 2014
  UC64041 Image available Heuchera hirsutissima H. M. Hall 1901-7-1 2412 Riverside San Jacinto Mountains; ; San Jacinto Mts. Comment
  HSC47338  Hibiscus denudatus R. W. Spjut 1978-5-17 5044 Riverside Colorado Desert, N face of Chuckawalla Mtns., 2.7 mi. S of Desert Center 335 Comment
  RSA432778  Hibiscus denudatus E. C. Jaeger 1922-3-29 730 Riverside Murray Canyon, Colorado Desert Comment
  UCR180226  Hibiscus denudatus Scott D. White, Pam Devries 2006-3-14 11252 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway/ McNaughton Parkway interchange, north of the I-10 Freeway 152 Comment
  UCR72176  Hibiscus denudatus Theo Glenn 1991-5-15 91- 38 Riverside Sonoran (Colorado) Desert, Little Maria Mountains, NW of Blythe 351 Comment
  RSA660232  Hirschfeldia incana M. Duke, Christy Hightower, C. McElroy 1982-5-15 4 Riverside CA Hwy 74, just off highway E of Elsinore, 1 mi W of Hwy 15. Comment
  SDSU13567  Hirschfeldia incana W. Miller with C. Mosse 1972-7-11 Riverside Comment
  SDSU2616  Hirschfeldia incana Charles F. Phleger 1962-5-23 Riverside About 25 miles north of Escondido. Comment
  RSA674575  Hoffmannseggia microphylla Scott D. White, Brian Leatherman 2000-10-5 8135 Riverside Near Berdoo canyon: Northeast of Dillon Rd., just S of mouth of Berdoo Canyon. On the S-facing bajada of the Little San Bernardino Mts. 183 Comment
  UCR201699  Holcus lanatus Scott D. White, Justin M. Wood 2008-6-16 12108 Riverside San Jacinto Mountains, Fobes Canyon, c. 1 mi up Fobes Ranch Road from Fobes Spring 1555 Comment
  UCR133950  Holocarpha virgata subsp. elongata John F. Green 2003-8-15 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, south side of Wendy Lane off Calle De Suenos, south of Avenida La Cresta and Avenida Castilla 701 Comment
  RSA449811  Holodiscus microphyllus Anstruther Davidson 1896-07 2745 Riverside Top of San Jacinto Mountains Comment
  RSA0063031  Hordeum marinum subsp. gussoneanum Andrew Haimov, April Sleigh 1992-5-10 85 Riverside San Jacinto Wildlife Area next to reclaimed water storage area, approximately 1 1/2 miles east of Davis Road. Comment
  CAS-BOT-BC148563  Horkelia clevelandii H. M. Hall 1901-7-1 2291 Riverside Strawberry Valley, San Jacinto Mts. 1615 Comment
  UC12391  Horkelia clevelandii H. M. Hall 1901-6-1 2291 Riverside Meadows in the vicinity of Strawberry Valley San Jacinto Mountains, Strawberry Valley 1615 Comment
  CAS-BOT-BC537305  Horkelia cuneata var. puberula Marian L. Campbell 1921-3-18 79 Riverside near Banning Comment
  POM230989  Horsfordia alata Marjorie D. Clary 1932-1-22 173 -a Riverside Canyons southwest of Coral Reef Ranch, Coachella, at base of Santa Rosa Mountains 152 Comment
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Apr 4 2011
  SD229153  Hosackia crassifolia var. crassifolia Dick Schwenkmeyer 2012-8-27 802 Riverside 3.2 miles southeast of the intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1887 Comment
  SDSU1666  Hulsea heterochroma H. Wedberg 1965-5-25 1067 Riverside San Jacinto Mountains, 2.0 miles from Mountain Center on the road to Hemet. 1219 Comment
  RSA561119  Hydrocotyle umbellata Steve Boyd, Tim Ross, David E. Bramlet 1993-5-12 7317 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
  POM147594  Hymenoclea salsola Marcus E. Jones 1927-4-16 s.n. Riverside Cottonwood Spring, near Shaver's Well, Colorado Desert Comment
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Oct 9 2010
  POM361079  Hymenoclea salsola P. J. Remple 1942-3-1 s.n. Riverside Near Palm Springs. Comment
  RSA650973  Hymenoclea salsola Marion P. Harthill 1971-3-19 25 Riverside Palm Desert. Comment
  UCR123760  Hymenoclea salsola var. pentalepis Steven R. Hill 2001-4-29 33548 Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  JOTR31870  Hyptis emoryi La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2124 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  RSA420149  Hyptis emoryi Jack Rempel 1932-11-13 s.n. Riverside 10 miles up Palm Wash. Colorado Desert. Comment
  RSA420163  Hyptis emoryi Robert Gustafson 1981-4-7 s.n. Riverside Salt Creek Wash, southern end of the Orocopia Mts. 91 Comment
  RSA727391  Hyptis emoryi Naomi S. Fraga, Lisa Rojas 2005-2-10 1382 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  SEINET13948496 Image available Hyptis emoryi Leila M. Shultz, John S. Shultz 1985-1 8352 Riverside SE benches of Chuckawalla Mountains at Alligator Rock; T5S R15E SEC33; 33 deg. 41' N, 115 deg. 25' W; elev 1120 ft 341 Comment
  UCD124930  Hyptis emoryi Collector unknown 1923-3-26 298 Riverside Tahquitz Wash, Palm Springs. Comment
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Feb 17 2013
  UCR255953  Hyptis emoryi Deidre Conocchioli, Duncan S. Bell 2014-3-11 152 Riverside Devil Canyon in the Santa Rosa Wilderness Area, west of Coachella Valley, 3 mi south of Lake Cahuilla 110 Comment
  SEINET3091299 Image available Ipomoea triloba A. C. Sanders 1988-11-6 8743 Riverside Imperial Valley between Brawley and Westmorland. E side of Hwy 86 at intersection with Kalin Rd. and Tamarack Canal crossing. 1.6 miles NW of the New River crossing at Brawley. 34 Comment
  CAS-BOT-BC311613  Isocoma acradenia var. eremophila Lewis S. Rose 1961-11-23 61062 Riverside La Quinta 15 Comment
  OBI16009  Isocoma acradenia var. eremophila Lewis S. Rose 1961-11-23 61062 Riverside La Quinta 15 Comment
  UCR181607  Isocoma menziesii var. menziesii Mitch Provance 2004-5-1 7602 Riverside Granitic Knolls of Riverside, Riverside, W side of Versity Hill (Coyote Hill), south side of the UCR campus 396 Comment
  CAS-BOT-BC69943  Isoetes howellii Robert F. Thorne; Earl Lathrop 1969-5-12 37930 Riverside Santa Rosa Plateau: large vernal marsh on s. end of Mesa de Colorado, Rancho California. 624 Comment
  RSA286804  Isoetes orcuttii R. F. Thorne 1974-5-23 44672 Riverside Santa Ana Mountains, Santa Rosa Plateau, Rancho California: N edge of large vernal marsh, Mesa de Colorado 624 Comment
  UC12497 Image available Ivesia saxosa H. M. Hall 1901-8-2 2605 Riverside below Round Valley (Chino Creek); San Jacinto Mountains; Chino Creek, below Round Valley, San Jacinto Mts. 2438 Comment
  CAS-BOT-BC426245  Jepsonia parryi A. R. K. 1940-12-7 4784 Riverside Cujalco canon, near Elinore Comment
  RSA552691  Jepsonia parryi Steve Boyd, T. S. Ross, Orlando Mistretta 1992-2-26 6699 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  CAS-BOT-BC101886  Juglans californica Winfield 1975-4-17 2428 Riverside West end of Fairmont Park - Riverside Comment
  CAS-BOT-BC133230  Juglans californica D. E. Bramlet 2003-5-28 3454 Riverside San Gorgonio wash, along dirt road to MWD tailings site. The site is 1768m south of Cabazon, and 762m north of the Colorado aqueduct 535 Comment
  CAS-BOT-BC110071  Juncus acutus S. B. Parish 1907-4-22 6146 Riverside Western border of the Colorado Desert. Palm Canon [Canyon]. Palm Springs. 200 Comment
  JEPS66903  Juncus acutus subsp. leopoldii Jos. Burtt Davy 1902-3-25 7935 Riverside Indio Comment
  SDSU13313  Juncus arcticus var. mexicanus Shawn Johnston, Calf. Plant Taxonomy Class Spring 2000 2000-4-1 14 Riverside Santa Margarita Ecological Reserve North end. Comment
  UCR268066  Juncus bufonius D. E. Bramlet 2005-4-22 3828 Riverside Perris-Aguanga Basin Region, 1.8 km SE of Winchester, south of Patton Ave. and Patterson Ave. intersection, east of Hwy 79 449 Comment
  SD146108  Juncus bufonius var. congestus A. C. Sanders, K. C. Rose 1999-6-18 22827 Riverside Domenigoni Valley,upper Warm Springs Ck,bet. Hwy 79(Winchester Rd)&Scott Rd,Domenigoni Ranch,S of Winchester;Winchester 7.5' quad. Silty alkaline loam in flat valley bet. low hills. In mud along drying ck margins in dense herbs bet. old fields. 433 Comment
  UCR193963  Juncus macrophyllus A. C. Sanders 2008-7-25 35885 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 1524 Comment
  UCR193376  Juncus oxymeris A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35623 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mi. WSW of Fleming Ranch, along nameless tributary of Herkey Creek 1585 Comment
  UCR24952  Juncus oxymeris A. C. Sanders 1980-7-18 1669 Riverside San Jacinto Mtns, Thomas Mountain; along a small dry creek in Spillway Canyon about 2 mi SW of Hwy 74 along Thomas Mountain Road 1463 Comment
  UC489197  Juncus rugulosus C. V. Meyer 1928-7-30 595 Riverside Saunders Meadow 1676 Comment
  CHSC89823  Juncus textilis L. P. Janeway 2004-5-8 8062 Riverside Peninsular Ranges. Santa Ana Mountains, San Mateo Canyon; between Tenaja Trail and the creek, 150 m south-southwest of the Tenaja Trail trailhead at Wildomar Road. Flattish bench above and away from the creek. 387 Comment
  POM229010  Juncus xiphioides Phillip A. Munz 1937-5-30 15130 Riverside Dos Palmos Spring, north end of Santa Rosa Mountains. 1098 Comment
  RSA708218  Juncus xiphioides Scott D. White, Angelia Carey 2004-5-7 10330 Riverside Indian Creek and adjacent foothills. 549 Comment
  UCR244381  Juniperus californica Jim Andre 2012-4-16 20952 Riverside Joshua Tree National Park;, along Geotour Road, at SW end of one-way loop in Pleasant Valley at foot drainage below Pinyon Well, c. 7.5 mi. south of paved National Park Loop Rd. 1095 Comment
  CAS-BOT-BC234573  Justicia californica Walter Wm. Zabriskie 1973-2-8 103 Riverside West side of jeep road leading to Coyote Canyon from Deep Canyon Research Center road; N slope Santa Rosa Mts. 292 Comment
  CAS-BOT-BC234586  Justicia californica B. Trowbridge 1979-4-17 6099 Riverside Lower Cottonwood Springs Wash, north of Interstate 10 457 Comment
  SEINET2163666 Image available Justicia californica G. L. Webster, R. Hildreth 1966-12-10 7461 Riverside Joshua Tree National Monument; upper part of Cottonwood Canyon. 790 Comment
  SFV8413  Justicia californica G. L. Webster, W. R. Hildreth 1966-12-10 7461 Riverside Mojave Desert Joshua Tree National Monument, upper part of Cottonwood Canyon, gravelly desert wash. 793 Comment
  UC729949  Justicia californica B. D. Stark 1932-6-17 3753 Riverside e. end Box Canyon; Colorado Desert, Eagle Mts., Box Canyon 182 Comment
  UC888147  Justicia californica Ivan Johnston Apr 4 1917-Apr 6 1917 Riverside near Palm Springs Palm Springs Comment
  UCD166270  Justicia californica Jack Major 1962-4-17 785 Riverside On CA HWY 74 from Pinyon Flat to Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 435 Comment
  UCR50575  Justicia californica B. G. Pitzer 1988-3-10 640 Riverside Sonoran (Colorado) Desert, west side Chuckwalla Mountains, on gas line road c. 1.5 mi north of intersection with Red Cloud Mine Road (& wash); c. 2 mi. airline south of Hwy I-10 489 Comment
  CLARK-A1528-4430  Kallstroemia californica John C. Roos 1963-10-24 Riverside Hayfield Comment
  OBI32614  Keckiella antirrhinoides Larry Cohen 1969-5-8 s.n. Riverside 4.5 mi S of Barton Rd on Reche Cyn rd dirt road 100 yds beyond Melody Ranch, S side of road 457 Comment
  UCSB17552  Keckiella antirrhinoides Winn, Will 1963-5-4 Riverside 13.3 miles north of Lake Fillmore picnic area; Highway 1 853 Comment
  RSA583570  Keckiella antirrhinoides subsp. antirrhinoides Steve D. Boyd 1995-4-24 8496 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on northern flank of Agua Tibia Mountain at the north base of Wildhorse Peak, along the Wildhorse Trail near the northeastern corner of the Wilderness. 671 Comment
  RSA182227  Keckiella antirrhinoides subsp. microphylla James Henrickson 1965-6-8 1999 Riverside In Joshua Tree Nat. Monument, 3/4 mi. NW of Hidden Valley 1280 Comment
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Jun 2 2013
  UCR138896  Keckiella antirrhinoides var. antirrhinoides D. L. Banks 1997-4-5 1658 Riverside Agua Tibia Mtns., NW Palomar Mtns: Agua Tibia Wilderness Area. south of Dorland Mountain, just east of the Wilderness Area boundary with the Pechanga Indian Reservation, along a tributary of the N fork of Pechanga Creek 762 Comment
  RSA0019429  Keckiella ternata subsp. ternata Philip A. Munz 1922-6-27 5852 Riverside Santa Rosa Mountains. 2012 Comment
  RSA0019438  Keckiella ternata subsp. ternata N. C. Cooper 1944-7-15 1581 Riverside Palms to Pines Highway, San Jacinto Mountains. 1280 Comment
  POM263183  Koeleria macrantha J. C. Roos 1937-5-10 457 Riverside South of Lake Elsinore Comment
  SD137952  Koeleria macrantha Darin L. Banks, Steve Boyd 1995-5-9 364 B Riverside N of 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 792 Comment
  UCR2487  Koeleria macrantha F. M. Reed 1928-7-10 5989 Riverside San Jacinto Mtns, Strawberry Creek at Camp Emerson, Idyllwild 1524 Comment
  LA205731  Krameria bicolor Carl Epling; William Robison 1933-6-24 sn Riverside Little San Bernardino Mountains, Morongo Pass Comment
  CAS-BOT-BC43708  Krameria erecta Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9560 Riverside 1 mile below Cottonwood Springs. Comment
  JOTR31094  Krameria erecta La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2355 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Cobble toe slopes at the base of Ryan Mountain, north end of Lost Horse Hills (Stop 3) Comment
  RSA0123997  Krameria erecta Duncan S. Bell, Thomas Stoughton 2016-4-12 9234 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 3.5 air miles northwest of Rabbit Peak. 967 Comment
  UCR85433  Krameria erecta George K. Helmkamp 1994-4-26 88- 3 Riverside Western Colorado Desert, Indio Hills; north of the landfill on Edom Hill 213 Comment
  RSA774499  Krameria grayi Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4421 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. 488 Comment
  UCR239243  Krameria grayi Andrew Monks, Jackie McConnaughy, Malia Volke 2010-1 035 Riverside Colorado (Sonoran) Desert, McCoy Wash, road going north from Black Rock Road, south side of private boundary, north of Hwy I-10 244 Comment
  RSA0056257  Krameria parvifolia Lee Haines 1951-5-20 5148 Riverside Pines to Palms Highway. 1158 Comment
  RSA728660  Kyllinga brevifolia R. E. Riefner 2004-9-25 4 -443 Riverside City of Corona; Grenn River Rd. ca 0.8 mi S of 91 Freeway overpass, Green River Golf Course at Santa Ana River. 153 Comment
  CAS-BOT-BC340504  Lactuca serriola Scott D. White 1996-9-22 4543 Riverside Perris Basin, W Riverside Co. Perris: Nuevo Road near intersect. w/ Wilson Ave., W of the San Jacinto Riv crossing 435 Comment
  RSA522307  Lactuca serriola Steve Boyd 1989-7-9 3777 Riverside City of Riverside, 4863 Rubidoux Ave. Comment
  HSC10263  Lamarckia aurea C. L. Hitchcock, C. V. Muhlick 1964-3-17 23114 Riverside 10 mi. N of Pala, along road to Elsinore. Comment
  UCR12285  Langloisia schottii Art Whistler 1966-3-26 s.n. Riverside Colorado Desert/ Santa Rosa Mtns, alluvial fan below Deep Canyon, 1 mi. from the Boyd Desert Research Center. Comment
  UCR279602  Langloisia setosissima subsp. setosissima A. C. Sanders, Jim Malusa 2017-3-28 43166 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  CAS-BOT-BC170701  Larrea tridentata Greata 1905-8-2 489 Riverside Coachella Comment
  JOTR32608  Larrea tridentata La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2672 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  RSA390031  Larrea tridentata L. H. Jones 1910-3-17 s.n. Riverside Riverside Mountain on gravelly hillside Colorado River. Comment
  UCR261451  Larrea tridentata A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41448 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
  SD152780  Lastarriaea coriacea Steve Boyd, T. Ross, D. Bramlet 1993-5-13 7364 Riverside San Mateo Canyon Wilderness area, Los Alamos Canyon at mouth of Wild Horse canyon 410 Comment
  CAS-BOT-BC338916  Lasthenia californica A. C. Sanders; S. Hawkins 1996-4-24 18078 Riverside San Bernardino Mtns.: Morongo Indian Reservation, vicinity of natural pond & bog at SE edge of Burro Flats 1160 Comment
  CAS-BOT-BC352708  Lasthenia coronaria Rimo Bacigalupi; Gene Newcomb 1952-4-25 4399 Riverside Along State Hwy 79 close to summit of St. Johns Grade, about 3/4 mile south of Sage 731 Comment
  CAS-BOT-BC328106  Lasthenia glabrata subsp. coulteri D. Bramlet 1992-4-9 2221 Riverside 2.6 km W of Lakeview and 15 m to 100 m E of the San Jacinto River and just W of an existing dirt access road. The site is approx. 440 m S of the MWD easement road. 433 Comment
  JEPS98731  Lasthenia glabrata subsp. coulteri Raymund Chan 1997-3-28 97005 Riverside 1.5 mi W of Lakeview (on N side of Ramona Expressway; 200-300 ft E of San Jacinto River) Comment
  UCR241099  Lasthenia glabrata subsp. coulteri Blair Baker 2010-4-9 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, near San Jacinto River SE of Perris, NE side of Case Rd. 431 Comment
  UCR90765  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1995-5-5 2407 Riverside Perris-Aguanga Basin region, 7.5 km west of Lakeview and some 90 m SE of the intersection of the Ramona Expressway and Martin Road (Road to Lakeview Hot Springs) 435 Comment
  RSA586035  Lasthenia gracilis D. L. Banks, S. D. Boyd 1995-3-16 0087 Riverside Cleveland National Forest; Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage. 506 Comment
  UCR92368  Lasthenia gracilis F. M. Reed 1926-5-7 5317 Riverside Peninsular Range; Perris Basin, hills south of Perris [presumably in vicinity of Quail Valley] 427 Comment
  CAS-BOT-BC361118  Lasthenia microglossa Peirson 1919-4-14 s.n. Riverside Murray Canon 487 Comment
  RSA180432  Lathyrus vestitus subsp. alefeldii E. W. Lathrop 1965-5-7 5710 Riverside 5 miles SW of Murrieta on the De Luz Road. Comment
  POM361741  Layia Theodore Payne 1921-6-1 3437 Riverside Banning. Comment
  CAS-BOT-BC320799  Layia glandulosa H. M. Hall 1904-5-16 4948 Riverside Vicinity of Riverside. Fairmount Park 243 Comment
  UCR84784  Layia glandulosa Scott D. White, S. Ogg 1994-4-21 1977 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  RSA741421  Layia platyglossa Justin M. Wood 2008-12-2 258 Riverside City of Temecula, Murrieta Creek, downstream of 1st street bridge. 290 Comment
  UC62891  Layia platyglossa H. M. Hall 1901-5-1 Riverside W Riverside Comment
  UCR34927  Layia platyglossa L. B. Ziegler 1968-4-20 277 Riverside Peninsular Range; San Jacinto Mtns., Hemet Valley 1402 Comment
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Jan 7 2013
  POM307779  Layia platyglossa subsp. campestris Henry J. Ramsey, Henry J. Ramsey 1938-3-26 25552 Riverside Corona-Elsinore Road. Comment
  POM361702  Layia platyglossa subsp. campestris P. A. Munz, I. M. Johnston 1922-5-19 5419 Riverside Hemet Valley, San Jacinto Mountains. 1402 Comment
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Apr 3 2011
  UCR109728  Leersia oryzoides T. W. Fisher 1963-11-12 s.n. Riverside Santa Ana River, Riverside 213 Comment
  UCR211724  Lemna minuscula Fred M. Roberts, Ileene Anderson 2005-5-20 6208 Riverside Perris Basin, San Jacinto Valley, field 0.5 km west of Sanderson Road, 3.2 km southwest of Gilman Hot Springs 446 Comment
  CAS-BOT-BC534944  Lemna minuta W. R. Dudley; C. H. Thompson 1903-12-26 s.n. Riverside Palm Canyon Comment
  UCR162888  Lepidium dictyotum var. dictyotum Fred M. Roberts, D. E. Bramlet 2005-4-1 6154 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
  UCR265598  Lepidium didymum Jordan Zylstra 2014-3-18 14012 Riverside San Jacinto Mountains, Apple Canyon, west of Apple Canyon Road 1453 Comment
  RSA67363  Lepidium fremontii F. W. Peirson 1928-4-24 7902 Riverside Cottonwood Springs, northern Colorado Desert Comment
  POM183960  Lepidium lasiocarpum P. A. Munz 1932-3-15 12006 Riverside Magnesia Spring Canyon, Coachella Valley. 91 Comment
  RSA777544  Lepidium lasiocarpum var. lasiocarpum Thomas Stoughton, Chrsiti Gabriel, Stephanie Rockwood 2011-3-30 904 Riverside East Mojave Desert region: McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  CAS-BOT-BC158125  Lepidium latifolium Abby Sirulnik 2000-5-4 38 Riverside Hidden Valley Wildlife Area; 11401 Arlington Ave., Riverside; along the Santa Ana River near La Sierra 244 Comment
  UCR281236  Lepidium latipes Mitch Provance, Jeremiah George 2017-3-23 317- 65 Riverside Elsinore Trough, Lake Elsinore, E side Baker St., about 0.5 miles SE of Pierce St. 677 Comment
  UCR127325  Lepidium nitidum A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25833 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  UCR173878  Lepidium nitidum Scott D. White, Michael Honer 2003-4-2 8919 Riverside Peninsular Ranges/Santa Ana Mtns, Temescal Canyon: Alberhill area N of the I-15 Fwy, on and near crest of unnamed mountain, '2349 716 Comment
  SDSU12946  Lepidium nitidum var. nitidum Jutta Buschbom 1991-6-1 28 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
  UCR241768  Lepidium strictum A. C. Sanders 2013-4-9 40785 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland, along SCE powerline route east of I-215, parallel to McLaughlin Rd., near intersection of McLaughlin and Dawson Rd., SE of Perris 439 Comment
  SBBG101691  Lepidium virginicum S. Boyd with T. Ross 1991-6-14 6361 Riverside Warm Springs Crk at the NE end of Hogbacks Ridge, from Alamos Rd, S to confluence with Adobe Spring tributary, 2-3 mi NW of Murrieta Hot Springs Comment
  HSC6860  Lepidium virginicum var. menziesii C. L. Hitchcock 1966-3-15 24163 Riverside 3 mi. E of Glen Ivy Hot Springs Comment
  UCR275952  Lepidium virginicum var. pubescens T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3793 Riverside San Jacinto Mountains, Rouse Ridge, east of Rouse Hill on 4WD road 2E17 (becoming a foot trail), c. 0.7 mile north of Rouse Ridge Road (5S15), NE of Milky Spring, San Bernardino National Forest 1476 Comment
  UCR35191  Lepidium virginicum var. pubescens L. B. Ziegler 1972-5-30 469 Riverside San Jacinto Mtns., Hemet (Garner) Valley. 1418 Comment
  UCR97507  Lepidium virginicum var. robinsonii A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19881 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  UCR97684  Lepidium virginicum var. robinsonii A. C. Sanders, G. Helmkamp 1997-3-15 19924 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 549 Comment
  RSA554634  Lepidospartum squamatum Scott D. White 1992-9-2 767 Riverside San Jacinto Valley: Vicinity of Gilman Hot Spirngs, N side of San Jacinto River, and a thin strip tending N of the river & W of the Hot Springs. 451 Comment
  RSA770302  Lepidospartum squamatum Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4483 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
  SD144034  Lepidospartum squamatum A. C. Sanders, S. White, C. L. Sanders 1994-10-9 15806 Riverside San Bernardino Mountains: Whitewater cyn., 2 mi. below trout farm, above Bonnie Bell. 550 Comment
  CLARK-A1656-705  Lepidospartum squamatum var. palmeri Theo Glenn 1980-10-22 Riverside Snow Creek 335 Comment
  UCD64017  Leptochloa fusca subsp. uninervia Edward G. Wegenek 1970-8-24 - 955 Riverside s.e. Riverside County: Blythe area. Comment
  UC1101604  Leptochloa mucronata Malcolm A. Nobs and S. Galen Smith 1948-9-3 489 Riverside 2 mi n Indio; Imperial Valley Comment
  UC1924330  Leptochloa uninervia P. M. Peterson with D. R. Peterson 1988-8-24 4989 Riverside Batista Canyon Wash, entering San Jacinto River(Wash), just N of Cedar and Mountain, NE end of Hemet. Comment
  POM364644  Leptosiphon liniflorus N. C. Cooper 1944-5-20 1294 Riverside Banning. 701 Comment
  RSA574750  Leptosiphon liniflorus Steve Boyd 1982-5-20 s.n. Riverside Gavilan Hills region, southeastern flank of Estelle Mountain. 671 Comment
  UC1930075  Leptosiphon liniflorus Scott D. White, Michael Honer 2003-5-27 9406 Riverside Gavilian Hills / Temescal Canyon: Hils and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake Street exit. Collected south and/or west of unnamed peak 2349. (Lake Elsiniore & adjacent Alberhill) Comment
  UCR281227  Leptosiphon parviflorus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-27 317- 47 Riverside Temescal Valley, East end of Concordia Ranch Rd., open space adjacent to east side of the equipment yard 390 Comment
  SD152945  Leptosyne californica Steve Boyd, Tim Ross and Orlando Mistretta 1992-2-26 6701 Riverside Santa Ana Mountains; San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  UC1979598  Lessingia filaginifolia var. filaginifolia D. L. Banks, Steve Boyd 1995-10-17 0763 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E. Comment
  POM10235  Lessingia glandulifera var. glandulifera Charlotte M. Wilder 1904-7-6 272 Riverside Wilder's Canon. Jurupa Hills. Comment
  UC468916  Lessingia glandulifera var. glandulifera F. M. Reed Riverside Comment
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Dec 6 2014
  RSA570690  Leymus triticoides Steve Boyd, Timothy S. Ross, J. Travis Columbus 1993-10-23 8196 -B Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Morrell Canyon along Morgan Trail (5W02). 878 Comment
  CAS-BOT-BC451634  Lilaea scilloides Robert F. Thorne; Earl Lathrop 1969-5-12 37922 Riverside Santa Rosa Plateau: on S end of Mesa de Colorado, Rancho California. 624 Comment
  RSA234047  Lilaea scilloides Robert F. Thorne, E. W. Lathrop 1969-5-12 37932 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California 625 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
  RSA747561  Linanthus dianthiflorus Michael Honer 2003-4-11 1818 Riverside Gavilan Hills, W slope: about 1 mile N of I-15 freeway, 1 mile E of Lake St. exit. On and around peak 2349. 640 Comment
  UCR41530  Linanthus jonesii A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6108 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UC205674  Linanthus jonesii E. E. Schellenger Riverside Colorado Desert Comment
  UC1595629  Linanthus liniflorus Steve Boyd and Dave Bramlet 1991-5-13 6253 Riverside ese of Winchester (n side of Domenigoni-Diamond Valleys, ridge top s of s end of Warren Rd); Domenigoni Hills 548 Comment
  SDSU3164  Linanthus nuttallii subsp. floribundus Stan Mather 1938-5-13 Riverside Lake Elsinore Grade. Comment
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Jul 8 2009
  UCR89453  Linaria canadensis Steve Boyd, D. L. Banks 1994-4-5 8260 Riverside Santa Ana Mtns., San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero 762 Comment
  UCR116913  Linaria canadensis var. texana A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23958 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  UCR160974  Lithophragma Ian G. Gillespie, Summer Karsh 2000-5-13 44 Riverside San Jacinto Mtns., Twin Pines Ranch Road off of Hwy 243, below McMullen Flat 1250 Comment
  UC11877  Lithophragma affine H. M. Hall 1897-3-27 410 Riverside Rawson Hills Comment
  RSA0010986  Lithophragma affine Ora M. Clark 1929-3-29 1949 Riverside S. Hemet. Comment
  SD225109  Lithophragma heterophyllum Scott D. White 1996-3-31 3859 Riverside Elsinore Basin; Bundy Cyn, SE of Lk Elsinore. About 1 road mile E of Bundy Cny Rd exit from I-15 freeway, ca. 40 ft S of rd. along mapped intermittent blueline stream. 451 Comment
  RSA535083  Lobularia maritima Steve Boyd 1991-5-20 6280 Riverside Temescal Canyon, NW of Lake Elsinore. Alluvial fan at mouth of Rice Cyn. 488 Comment
  UCR116803  Loeflingia squarrosa A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23933 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  SD45174  Loeseliastrum schottii Helen K. Sharsmith 1952-4-8 4050 Riverside Western Lobe of Pinto Basin, Joshua Tree national Monument 609 Comment
  UC31920  Logfia depressa W. G. Wright 1890-3-1 1819 Riverside Colorado Desert Comment
  CAS-BOT-BC342255  Logfia filaginoides A. C. Sanders; G. Waines; B. Ehdaie; A. Aryavand 1997-3-12 19890 Riverside Lake Skinner area: lower Rawson Canyon, NE of the lake and SW of Black Mtn., along the road 518 Comment
  UCD134141  Logfia filaginoides J. C. Roos 1952-4-9 5510 Riverside southeast face Mt. Rubidoux, Riverside. 335 Comment
  SDSU12928  Logfia gallica Jutta Buschbom 1991-6-1 16 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
  UCR207622  Lolium perenne subsp. multiflorum O. F. Clarke 2004-4-20 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River at Mission Blvd. Bridge below Mt. Rubidoux 238 Comment
  RSA595329  Lolium perenne subsp. multiflorum D. L. Banks, Victor Steinmann 1996-4-20 0877 A Riverside Temecula, at Mobil Gasoline Station on Bedford Ct., approximately 0.1 miles E on Hwy 79 from I-15 off ramp. Collected in disturbed field and along wall of adjacent apartment complex, SE of the Gas Station. Comment
  RSA501029  Lomatium lucidum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3149 Riverside Vail Lake area, ridge along N edge Oak Mountain, 1.5-2.0 miles W of the dam. 518 Comment
  UCR158502  Lomatium lucidum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30023 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
  POM15041  Lomatium vaginatum Mary F. Spencer 1922-4-25 s.n. Riverside Lamb s Canyon, Banning 701 Comment
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Mar 13 2011
  CAS-BOT-BC234893  Lonicera subspicata var. denudata Peter H. Raven; R. Snow 1957-7-26 11118 Riverside 2.0 mi. s. of Vista Grande Ranger Station, Banning - Idyllwild road, San Jacinto Mts. Comment
  RSA494628  Lonicera subspicata var. denudata Maureen Pendleton 1987-5-20 s.n. Riverside Ca. 0.8 mi. (airline) WSW of town of Anza on Terwilliger Rd. 1280 Comment
  SD67736  Lonicera subspicata var. johnstonii Victor Duran 1933-7-2 3496 Riverside Vandeventer Flat, Santa Rosa Mountains. 1520 Comment
  UCR91680  Lotus argophyllus Steve Boyd, D. L. Banks 1995-4-5 8418 B Riverside Agua Tibia Mountains, Palomar Range, Agua Tibia Wilderness Area; northern flank of Agua Tibia Mtn. at the E edge of Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary 610 Comment
  RSA0012655  Lotus corniculatus LeRoy Gross, Caitlin Elam 2013-5-14 6082 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
  UCR103778  Lotus corniculatus Scott D. White 1994-10-17 2480 .2 Riverside Temecula Valley, Murrieta Creek channel, downstream from confluence with Santa Gertrudis Creek, south of bridge at Winchester, north of Long Valley Road. 305 Comment
  POM12751  Lotus crassifolius P. A. Munz 1922-7-7 6061 Riverside Fern Valley Comment
  RSA802097  Lotus crassifolius Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4982 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  UCR35035  Lotus heermannii L. B. Ziegler 1967-8-2 199 Riverside Peninsular Ranges, San Jacinto Mtns., upper Herkey Creek area 1524 Comment
  UCR92330  Lotus heermannii Scott D. White, M. D. Wilcox 1995-7-11 3469 Riverside Peninsular Range; Santa Ana Mtns., upper forks of Decker Canyon, SW of Main Divide Truck Trail 730 Comment
  RSA406176  Lotus nevadensis var. nevadensis N. C. Cooper 1944-7-16 1561 Riverside San Jacinto Mountains, above Pine Cove. 2073 Comment
  UC454681  Lotus nevadensis var. nevadensis I. J. Condit 1910-6-21 Riverside Strawberry Valley San Jacinto Mts. 1524 Comment
  UCR110971  Lotus nevadensis var. nevadensis George K. Helmkamp 1998-6-27 4130 Riverside Santa Rosa Mtns., 9 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), in vicinity of Santa Rosa Spring. 2232 Comment
  RSA161280  Lotus oblongifolius P. H. Raven, R. Snow 1957-7-26 11112 Riverside Along stream 2.0 mi. S of Vista Grande Ranger Station, Banning-Idyllwild road, San Jacinto mts. Comment
  UC80778  Lotus oblongifolius var. oblongifolius A. W. Anthony 1895-7-13 Riverside San Jacinto Mts. 2438 Comment
  UC864848  Lotus oblongifolius var. oblongifolius I. W. Clokey and E. G. Anderson 1935-8-21 6722 Riverside Fuller Creek San Jacinto Mts. 1500 Comment
  UCR82615  Lotus purshianus A. C. Sanders, O. F. Clarke, M. Alexander 1994-1-1 14225 A Riverside San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  JEPS64886  Lotus rigidus Marjorie D. Clary 1932-2-10 1193 Riverside 15 mi se Coachella; Martinez Canyon 365 Comment
  UC212493  Lotus rigidus Ivan Johnston 1917-4-4 Riverside Palm Canyon Colorado Desert Comment
  UC62923  Lotus rigidus H. M. Hall Jun 1901 2124 Riverside along e borders of Colorado Desert San Jacinto Mountains, Colorado Desert Comment
  UCR1421  Lotus rigidus Frank C. Vasek 1960-3-24 600324- 30 Riverside Santa Rosa Mtns., Palms-to-Pines Highway, 4.8 miles east of Pinyon Flat [near Dos Palmas Spring] at a long wide turnoff on north side of road 1067 Comment
  UCR177842  Lotus scoparius subsp. brevialatus Marisa Sripracha, K. A. Boyd 2004-3-22 067 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  UC1329863  Lotus scoparius var. brevialatus James E. Cole 1941-5-17 713 Riverside Covington Flat Canyon Joshua Tree National Monument 1371 Comment
  RSA263766  Lotus strigosus E. W. Lathrop 1968-6-2 6947 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. Comment
  RSA495418  Lotus strigosus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2938 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA673505  Lotus strigosus Scott D. White, Bill La Haye 2000-5-27 7965 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  SEINET7073438  Lotus strigosus A. G. Vestal 1963-4-25 s.n. Riverside About 6.8 miles south of Sage on Route 3. Coordinate datum: NAD27. Comment
  UCR177997  Lotus strigosus 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 1189 Comment
  UCR270174  Lotus strigosus A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42404 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  UCR251672  Lotus strigosus var. tomentellus Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 776 Riverside Sonoran (Colorado) Desert, Mecca Hills, Shaver's Well, adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  UCR29818  Lotus tomentellus George K. Helmkamp 1983-3-24 383- 18 Riverside Sonoran (Colorado) Desert, north base of the Little Chuckwalla Mountains, 1.5 miles east of Graham Pass Road 336 Comment
  UCSC000931  Lotus wrangelianus Peter Kamb 1947-5-17 515 Riverside San Jacinto Mts., Hall Canyon 1646 Comment
  RSA549250  Ludwigia repens var. stipitata A. C. Sanders, O. F. Clarke 1991-10-5 11747 Riverside Santa Ana River bottom, Rancho Jurupa Park, Pleasant Acres Lake. Comment
  RSA568562  Lupinus Christopher Davidson 1979-4-4 7678 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  RSA590647  Lupinus agardhianus E. W. Lathrop 1960-5-6 4788 Riverside 10 miles west of Murrieta. Comment
  CHSC60281  Lupinus arizonicus J. Lund 1980-4-3 Riverside 200 feet south of the entrance to Joshua Tree National Monument. 944 Comment
  JEPS64937  Lupinus arizonicus W. L. Jepson 1927-4-11 11638 Riverside Whitewater 457 Comment
  UCSB3378  Lupinus arizonicus Beeles, Richard 1952-4-4 Riverside Seven miles north of Mecca, in Box Canyon Comment
  OBI42677  Lupinus bicolor B. Pitzer & K. Kirtland, K. Kirtland 1986-5-6 201 Riverside Butterfield State Ranch dev, in the hills on the N side of Pauba Valley, in the Ranch Calif area, 1 mi S of Buck Mesa on the E side of Butterfield State Rd. T7S, R2W, sec 36 457 Comment
  UCR4176  Lupinus bicolor R. H. Sauer 1965-4-3 s.n. Riverside Peninsular Range, Riverside, south side of Big Springs Road, c. 500 feet from the east end of the street; west foot of Box Springs Mtns. 396 Comment
  SEINET10484883  Lupinus bicolor subsp. microphyllus Robert F. Thorne, F. R. Fosberg; Marie, Helene Sachet; Derral Herbst 1983-4-23 Thorne 55496 Riverside San bernardino mountains; sandy wash along whitewater river where road crosses River below fish hatchery, ca 4 miles n of whitewater post office. Hairy, low Annual 640 Comment
  RSA407105  Lupinus breweri var. grandiflorus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
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Nov 22 2015
  JOTR34141  Lupinus concinnus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler, D. Shade 2011-4-26 3159 Riverside Joshua Tree National Park. NW tip of the Hexie Mountains; granite and basalt rocky slopes above bouldery draws feeding into Pleasant Valley (Stop 3) 1041 Comment
  RSA7443  Lupinus concinnus M. Wall 2009-5-15 508 Riverside Bautista Creek, off Bautista Canyon Rd. ca. 8 miles SE of jct. with Fairview Ave. 752 Comment
  RSA783241  Lupinus concinnus J. D. Olmsted 1962-6-3 3484 Riverside S slope along road on north side of Hemet Lake 1280 Comment
  SD152849  Lupinus concinnus Steve Boyd, Tim Ross 1992-5-4 7198 Riverside San Mateo Canyon Wilderness Area; Oak Flats area east of Verdugo Potrero. 730 Comment
  UCR60918  Lupinus concinnus Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3166 Riverside Peninsular Range, Vail Lake area; hills just to SW of the dam 488 Comment
  SBBG35011  Lupinus excubitus T. L. Secrest 1951-5-18 Riverside San Jacinto River, E of Hemet Comment
  UCR187484  Lupinus excubitus Diane Menuz 2006-6-7 148 Riverside Peninsular Range; Santa Ana Mtns., Elsinore Peak, Cleveland National Forest 1050 Comment
  CAS-BOT-BC205388  Lupinus excubitus var. austromontanus T. B. Salvato; John F. Green 2004-5-27 650 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
  UCR94649  Lupinus excubitus var. hallii Scott D. White 1996-5-27 4068 Riverside Badlands, Jackrabbit Canyon, east of Moreno Valley and south of Calimesa, between Hwy 60 and Gilman Springs Road. 610 Comment
  RSA91207  Lupinus excubitus var. hallii F. W. Peirson 1922-4-28 2947 Riverside Leach Canyon Near Lake Elsinore. 549 Comment
  RSA78197  Lupinus formosus Philip A. Munz 1953-5-31 18519 Riverside Joshua Tree National Monument. 1357 Comment
  UC15857  Lupinus formosus H. M. Hall June, 1901 2167 Riverside Thomas Valley; San Jacinto Mountains, Thomas Valley 1371 Comment
  CLARK-A1528-2840  Lupinus hirsutissimus John C. Roos 1952-4-9 5511 Riverside Riverside 380 Comment
  RSA413689  Lupinus hirsutissimus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  RSA761993  Lupinus hyacinthinus Peter Guiden, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 73 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA13144  Lupinus latifolius subsp. parishii Percy C. Everett 1935-6-18 7191 Riverside Santa Ana Mts., main divide motorway to Santiago Park., 1 mi. from Ortega Highway. 732 Comment
  POM23584  Lupinus microcarpus var. densiflorus Marcus E. Jones 1903-4-11 s.n. Riverside Banning. 701 Comment
  HSC14928  Lupinus odoratus C. L. Hitchcock, C. V. Muhlick 1964-3-22 23252 Riverside Side canyon near S entrance to Joshua Tree National Monument. Comment
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Jul 9 2010
  RSA562059  Lupinus shockleyi Steve D. Boyd, K. A. Boyd, C. Boyd 1992-4-19 6925 Riverside N end of the Granite Mtns on sandy bajada along poweline road near jtn of Hwy 177 and Hwy 62. Area of transition between Mojave and Colorado Deserts. Comment
  SD8477  Lupinus shockleyi Parish Apr 1882 Riverside Whitewater Canyon. Comment
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Jan 14 2010
  GMDRC2053  Lupinus sparsiflorus J. Andre 2006-4-26 6774 Riverside Little San Bernardino Mountains: Joshua Tree National Park: ridgetop, W. of upper Long Canyon, approx. 0.5 mi. S. radio tower and of NE corner (boundary) of park Near 34.06663 deg. N 116.44661 deg. W. Elev. 4347 ft. 1325 Comment
  RSA676091  Lupinus sparsiflorus Scott D. White 2001-4-13 8319 Riverside Badlands; County landfill area north of Moreno Valley. About 1/4 air mi NW of the SR-60 Freeway jtn with Gilman Springs Rd. 595 Comment
  RSA678417  Lupinus sparsiflorus Michael Wall 2003-4-6 256 Riverside Vacant lot off Ramona Expressway at Donna Ave adjacent to Soboba Health Clinic. Property for sale and future housing development. 506 Comment
  UCSB3381  Lupinus sparsiflorus Graney, Don 1953-3-20 Riverside Arroyos of Whitewater Canyon, 1 mile from White Water, Colorado Desert Comment
  SEINET10490243  Lupinus sparsiflorus subsp. inopinatus David B. Dunn 1947-3-16 Dunn 2919 Riverside Found a 100 hundred yards se of cabazon in the banning pass. Comment
  CSUSB1452  Lupinus succulentus Leland E. Francois 1966-3-21 32166 6 Riverside City of Riverside 100 yards north of intersection of Van Buren Ave. and Acorn St., on Acorn St. Sandy soil along railroad tracks. 274 Comment
  POM305375  Lupinus succulentus Henry J. Ramsey, Henry J. Ramsey 1938-3-28 643 Riverside Elsinore Comment
  SEINET2062675 Image available Lupinus succulentus Ed LaRue 1989-4-21 Riverside Moreno Valley, University of California Riverside agricultural experimental farms, ca 1/2 mi S. of Alessandro Blvd, at NE corner of Cactus Ave. & Nason St. Comment
  CLARK-A1528-2851  Lupinus truncatus John C. Roos 1947-3-15 3326 Riverside Valle Vista Comment
  CSUSB1456  Lupinus truncatus Charles Herrick 1974-4-7 Riverside San Timoteo Creek Wash next to freeway 10 Comment
  UCR93022  Lupinus truncatus G. P. Schultz 1994-4-7 s.n. Riverside Box Springs Mtns, Big Springs Canyon and N on the crest to Two Trees Canyon (S side) Comment
  CAS-BOT-BC436684  Luzula comosa var. laxa Mary F. Spencer 1919-7-19 1197 Riverside Idyllwild, San Jacinto Mt. 1615 Comment
  CAS-BOT-BC231415  Lycium andersonii W. L. Jepson 1912-10-28 5240 Riverside Riverside Mts., Colorado River 121 Comment
  RSA0126632  Lycium andersonii Duncan S. Bell 2016-3-4 8805 Riverside Orocopia Mountains; northwestern corner of range; collecting in the Orocopia Mountains Wilderness area in an unnamed canyon approximately 3.75 air miles northwest of the summit of the range. 738 Comment
  UCR179764  Lycium andersonii R. E. Riefner Jr. 2006-5-23 06- 203 Riverside Temescal Canyon, near city of Corona, 0.25 mi. SE from Cajalco Rd. at Temescal Wash 254 Comment
  CLARK-A1528-4348  Lycium brevipes John C. Roos 1949-3-19 4105 Riverside Dos Palmas Spring Comment
  RSA788559  Lycium cooperi Duncan S. Bell 2012-3-8 3145 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
  JOTR32972  Lycium fremontii La Doux, Tasha, A. Miller 2008-10-8 2855 Riverside Joshua Tree National Park. Coxcomb Mountains, north of Colorado River Aqueduct tunnel 325 Comment
  UCR178158  Lythrum californicum 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
  SEINET5343084  Lythrum californicum J. Crutchfield 1965-6-16 213 Riverside Lost Lake Resort, 14 mi S of Vidal Comment
  SBBG54325  Lythrum hyssopifolia C. Davidson 1977-5-25 5666 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  UCR116479  Lythrum hyssopifolia A. C. Sanders, T. B. Salvato 2001-5-25 24379 Riverside San Jacinto Valley, west end of Hemet-Ryan airport runway, 50-200 m east of Warren Rd. and 100-200 m north of Stetson Ave. 457 Comment
  UCR149982  Lythrum hyssopifolia Scott D. White, Angelia Carey 2004-5-7 10332 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  UCR18373  Machaeranthera canescens Jeanine Derby 1977-1-13 s.n. Riverside San Jacinto Mtns, south fork of San Jacinto River 1067 Comment
  RSA0001386  Machaeranthera canescens var. ziegleri L. B. Ziegler 1969-9-30 s.n. Riverside Santa Rosa Mts. 1982 Comment
  SD227848  Maclura pomifera A. C. Sanders, K. C. Rose 1999-6-18 22799 Riverside Skinner/Domenigoni area; French Valley, E side of Wawhington Ave., 1/2 mile S of Rawson Rd. (Winchester 7.5'Q). 438 Comment
  UCR79486  Madia exigua Steve Boyd, T. Ross 1992-6-10 7642 Riverside Southern Santa Ana Mtns., San Mateo Canyon Wilderness Area, Santa Ana Mountains; about 'Potrero Escondido', an isolated area of low relief topping the ridge system due west of jct. Tenaja Rd. & Los Alamos Rd at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek 673 Comment
  UCR107746  Madia gracilis D. L. Banks 1997-5-5 1991 Riverside NW Palomar Mtns, Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pachanga Creek. east of where road crosses to southern bank of south fork of Pechanga Creek. 482 Comment
  UCR193911  Madia gracilis A. C. Sanders, Mitch Provance 2008-7-11 35809 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  SD87606  Malacothamnus densiflorus F. W. Peirson 1920-6-22 2189 Riverside Temecula River. 456 Comment
  UCR252648  Malacothamnus densiflorus T. B. Salvato, Matthew Malle 2013-4-5 7512 Riverside Perris-Aguanga Basin, Sedco Hills, dirt extension (SCE powerline access) from Beverly Street east of Crab Hollow Circle 604 Comment
  UCR37477  Malacothamnus densiflorus Steve Boyd 1981-2-9 s.n. Riverside Gavilan Hills, Steele Valley, south of groves and communication site 640 Comment
  SDSU7510  Malacothamnus fasciculatus Thomas A. Zink 1971-7-1 Riverside Near Redlands Blvd. about 1 mile south of San Timeteo cyn. Rd. 518 Comment
  UCR199616  Malacothamnus fasciculatus Scott D. White, Angelia Carey 2004-7-2 10560 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  CLARK-A1528-266  Malacothrix californica Charlotte Stocks 1963-6-30 Riverside Anza Comment
  POM37220  Malacothrix californica Marcus E. Jones 1903-5-1 s.n. Riverside Banning 701 Comment
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Mar 13 2011
  RSA449946  Malacothrix clevelandii J. C. Roos 1950-4-22 4756 Riverside 0.3 mi NE of summit of Reche Canyon 762 Comment
  RSA613900  Malacothrix clevelandii A. C. Sanders, P. J. MacKay, Tim C. Thomas, O. F. Clarke 1997-5-4 20629 Riverside San Jacinto Mtns: N side along hwy 243, 1.5 mile below Twin Pines Ranch Raod (McMullen Flat), N slope of peak 3740. 1067 Comment
  CAS-BOT-BC347690  Malacothrix glabrata L. R. Abrams 1926-3-27 11126 Riverside Near Whitewater Comment
  JOTR33975  Malacothrix glabrata La Doux, Tasha, M. Harding 2010-4-7 2863 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  RSA33571  Malacothrix glabrata N. C. Cooper 1944-3-25 1021 Riverside Cabazon. 457 Comment
  RSA688910  Malacothrix glabrata Scott D. White 2001-4-18 8353 Riverside Coachella Valley: Palm Springs. NE corner of Sunrise Dr. and San Raphael Dr. (Palm Springs) 152 Comment
  RSA729266  Malacothrix glabrata R. F. Thorne, M. Z. Thorne 1973-3-30 42695 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  UCD134419  Malacothrix glabrata Geoffrey Levin 1975-4-26 489 Riverside Mayhew Canyon Wash 1.5 mi. SE of Glen Ivy on Highway 71. 335 Comment
  CAS-BOT-BC347892  Malacothrix saxatilis var. tenuifolia H. M. Hall 1901-6-1 2011 Riverside San Jacinto Mountains. Canyon of the San Jacinto River 609 Comment
  SD146224  Malvella leprosa A. C. Sanders, Mitch Provance 1999-9-26 23122 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi SE of Jackrabbit Trail on Gilman Springs Road, 1.4 mi. S of Eden Hot Spr. 433 Comment
  POM48322  Marah macrocarpa E. C. Jaeger 1925-3-1 s.n. Riverside Snow Canyon, . San Jacinto Mts. 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
  RSA652417  Marah macrocarpa Gregorio Hernandez 1953-2-1 s.n. Riverside End of So. Broad Way Cabazon Comment
  UCD107550  Marah macrocarpa R. L. Smith 1948-3-24 s.n. Riverside Murray Canyon. Comment
  UCR94272  Marah macrocarpa Scott D. White 1996-4-14 3915 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
  POM9573  Marah macrocarpa P. A. Munz 1920-2-28 3270 Riverside 3 miles west of Corona. 305 Comment
  UC68513  Marina parryi H. M. Hall Apr 1905 5957 Riverside near Palo Verde; Colorado Desert 91 Comment
  IRVC14142  Marsilea vestita B. T. Gittins 1966-5-1 1259 Riverside 6 miles W of Murietta; roadside. Santa Ana Mountains Comment
  UCR162942  Marsilea vestita Fred M. Roberts 1995-5-24 4945 Riverside Hemet, Upper Salt Creek drainage, N of Florida Avenue (State Route 74) and west of Warren Road, c. 1.6 km NW Ryan Field 548 Comment
  CAS-BOT-BC348067  Matricaria discoidea John Green 2005-5-4 s.n. Riverside Perris-Aguanga Region: SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  UCR216239  Matricaria discoidea Mike Bell 2008-4-27 012 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, Adobe Loop Trail 557 Comment
  SD152791  Meconella denticulata Steve Boyd, Carol Boyd and Kyle Boyd 1992-3-21 6735 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Tenaja Canyon, along trail from wilderness boundary downstream towards Fisherman's Camp. 366 Comment
  RSA0013158  Medicago lupulina LeRoy Gross, Caitlin Elam 2013-5-14 6058 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
  RSA689490  Melaleuca A. C. Sanders, Dana Klatt 2001-8-14 24592 Riverside UCR campus at University Bldg. S (old Citrus Expt. Sta. Director s residemce area) 351 Comment
  UCR281486  Melica frutescens Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-4-4 417- 87 Riverside Gavilan Hills, SCE transmission route (projected) 0.6 miles NNW of Lake St. and Walker Canyon Rd. 152 Comment
  SD244057  Melica imperfecta T. B. Salvato 2013-3-22 7410 Riverside Perris - Aguanga Basin: southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), south of Los Alamos Rd, rocky slopes flanking Warm Springs Creek. 395 Comment
  UCR202408  Melica imperfecta Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  UCR121348  Melilotus indicus A. C. Sanders, Mark Elvin, , Vipul Joshi 2002-4-26 25021 Riverside The Badlands, canyon above Eden Hot Springs 549 Comment
  UCR82224  Melilotus indicus J. M. Stewart 1994-5-2 853 Riverside Western Colorado Desert, Coachella Valley, Thermal. Tyler St. and Airport Blvd. Comment
  RSA627519  Mentha Scott D. White 1998-7-31 6935 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park; San Jacinto Mts. 1707 Comment
  POM3006  Mentzelia affinis Jenkins, Street 1917-5-30 s.n. Riverside Vallevista Comment
  RSA800099  Mentzelia affinis Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4773 Riverside East side of the Arica Mountains; west side of Rice Valley approximately 5.5 air miles southeast of the ghost town or Rice or approximately 4.75 air miles east of Priests Well. 208 Comment
  UC68742  Mentzelia affinis H. M. Hall apr 1905 5766 Riverside Colorado Desert, Cathedral Cayon 91 Comment
  OBI42559  Mentzelia dispersa A. C. Sanders 1986-6-1 6552 Riverside San Jacinto Mts, along the trl toward Spitler Peak from Hurkey Crk camp to Bonita Vista Rd Comment
  JEPS42808  Mentzelia involucrata W. L. Jepson 1901-5-22 1353 Riverside and return to Vandeventer Palm Canyon Comment
  RSA0106761  Mentzelia involucrata Duncan S. Bell, Amanda Turek 2009-3-29 140 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; large narrow canyon to the west of Priest Mine. 420 Comment
  RSA440413  Mentzelia involucrata L. H. Jones 1910-3-18 s.n. Riverside Riverside Mountain, near the Colorado River. Comment
  UC672659  Mentzelia involucrata H. L. Mason 1928-3-10 4192 Riverside White Water River Comment
  UCR256329  Mentzelia involucrata Duncan S. Bell 2012-3-18 3193 Riverside Sonoran (Colorado) Desert, Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, c. 2.8 air miles southwest of Hidden Spring 20 Comment
  UCSB24938  Mentzelia involucrata Keefe, Joseph 1967-3-23 Riverside Whitewater Canyon Road, 1.9 miles north of U.S. Highway 99, east of Banning 609 Comment
  CSUSB821  Mentzelia involucrata var. megalantha Wayne White 1974-5-24 Riverside Chuckwalla Mountains, Colorado Desert On Highway I-10 near Red Cloud Road; Chuckwalla Mountains in Colorado Desert 609 Comment
  RSA69584  Mentzelia involucrata var. megalantha F. W. Peirson 1926-1-31 6494 Riverside Dos Palmas [Spring], Colorado Desert. Comment
  UCR269845  Mentzelia involucrata var. megalantha A. C. Sanders, Jim Malusa 2016-3-18 42377 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  UCR166209  Mentzelia jonesii A. C. Sanders, P. J. MacKay, M. Jacobsmyer, C. L. Sanders, et al 1995-3-5 15994 Riverside Sonoran (Colorado) Desert, Orocopia Mtns, Maniobra Valley, 1.6-3 mi. south of frontage road (old Hwy 60) along Interstate 10, S to edge of BLM wilderness 610 Comment
  RSA0107475  Mentzelia longiloba var. longiloba Duncan S. Bell, Amanda Turek 2009-3-29 149 Riverside Collecting in the large western drainage of the Arica Mountains, within the Palen/McCoy wilderness area. 434 Comment
  SD60947  Mentzelia longiloba var. longiloba Darley F. Howe 1964-4-13 3762 Riverside 3.3 mi east of Riverside-San Bernardino Co. line. 244 Comment
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Mar 31 2014
  RSA0126945  Mentzelia longiloba var. longiloba P. A. Munz, R. D. Harwood 1920-4-3 3580 Riverside Ford's Well west of Blythe. 305 Comment
  RSA554371  Mentzelia nitens Theo Glenn 1991-4-9 91 -137 Riverside Big wash in Eagle Mountains 787 Comment
  SD225013  Mentzelia obscura G. K. Helmkamp 1998-4-4 3145 Riverside Southern Mojave Desert: junction of CA hwy 62 (Twentynine Palms hwy) & CA hwy 177 (Desert Center-Rice Rd.) 456 Comment
  RSA282494  Mentzelia ravenii H. J. Thompson 1954-4-24 1613 Riverside 6.6 miles S of road to Lake Mathews on Hwy 71, 11 miles S of Corona, 3.8 miles N of Alberhill. 274 Comment
  SBBG101734  Microseris douglasii subsp. douglasii S. Boyd with D. Bramlet 1991-5-13 6223 Riverside Winchester Valley between Winchester and Hemet, along upper Salt Crk drainage, N of Santa Fe Railroad tracks, W of San Diego Aqueduct; T5S, R2W, S1/2, NW1/4 of S24 Comment
  UCR120852B  Microseris douglasii subsp. douglasii D. E. Bramlet 1993-4-14 2326 B Riverside Gavilan Hills, Black Rocks area, NE of Black Rocks and 1.2 km south of Cajalco Rd., east of orange groves 445 Comment
  UCR116505A  Microseris douglasii subsp. tenella A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 746 A Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  RSA556493  Microseris heterocarpa Julie Greene 1993-4-3 1121 Riverside San Jacinto Wildlife Area. Weedy area by Fence Line Road gate. 441 Comment
  UCR167977  Microseris lindleyi T. B. Salvato, John F. Green 2004-5-27 640 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
  UCR171987  Microseris lindleyi John F. Green 2006-4-18 s.n. Riverside NE of Murrieta, just south of Los Alamos Rd. ('Clinton Keith Rd.'), on E and W sides of Liberty Rd. border between City of Murrieta and unincorporated French Valley 415 Comment
  RSA0018776  Mimetanthe pilosa J. D. Olmsted 1959-6-23 653 Riverside May Valley Truck Trail at first fully crossing SE of S ridge crest, SE of Idyllwild. 1707 Comment
  UC1719503  Mimulus aurantiacus D. Atwood 1993-3-26 17662 Riverside Santa Ana Mountains; 1.5 mi S of Lake Elsinore, along Hwy 74 670 Comment
  POM8473  Mimulus aurantiacus var. pubescens I. M. Johnston 1920-5-8 2291 Riverside Butte west of Lakeview. 610 Comment
  RSA543181  Mimulus aurantiacus var. pubescens Steve Boyd, Tim S. Ross, Mike Hammitt 1991-5-2 6120 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
  RSA0030783  Mimulus aurantiacus var. pubescens N. C. Cooper 1944-6-16 1428 Riverside San Jacinto Mtns. Pine Cove. 1524 Comment
  HSC20777  Mimulus aurantiacus var. puniceus C. L. Hitchcock, C. V. Muhlick 1964-3-17 23105 Riverside 10 mi. N of Pala, along road to Elsinore. Comment
  UCR112307  Mimulus aurantiacus var. puniceus A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23451 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
  CLARK-A1528-859  Mimulus bigelovii Charlotte Stocks 1963-4-15 Riverside Box Canyon Comment
  SEINET3079984 Image available Mimulus bigelovii Barbara Gayle Pitzer 1998-1-24 3393 Riverside Sonoran (Colorado) Desert; N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  UC886099  Mimulus bigelovii var. bigelovii Carl B. Wolf 1932-4-27 3055 Riverside 5 mi e Desert Center (n base of mts.); Colorado Desert, Chuckwalla Mts. 152 Comment
  RSA420951  Mimulus bigelovii var. bigelovii M. B. Dunkle 1949-9-23 s.n. Riverside Colorado Desert. Comment
  CLARK-A1045-336  Mimulus brevipes George K. Helmkamp 1978-5-2 Riverside Bautista Canyon burn; Bautista Road; Hemet 15'Q Comment
  SEINET3079369 Image available Mimulus brevipes Howard Scott Gentry 1947-4-20 7630 Riverside Gentry Farm, 3 miles NE of Murrieta. 396 Comment
  HSC82808  Mimulus cardinalis R. F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61190 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: Along Cole Canyon 534 Comment
  RSA0062495  Mimulus cardinalis J. M. Andre 2012-6-15 30512 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
  RSA388422  Mimulus cardinalis Robert F. Thorne, S. D. Boyd, Earl Lathrop 1985-7-18 61190 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  PASA105  Mimulus diffusus Sally Ellis 1939-6-21 Riverside Halona Comment
  CLARK-A1528-4245  Mimulus floribundus John C. Roos 1952-4-29 5595 Riverside Box Springs Mountain 457 Comment
  RSA0054839  Mimulus floribundus Keith E. Hoffmaster 1933-4-14 526 Riverside Tahquitz Canyon. Comment
  UCR48341  Mimulus fremontii Steve Boyd 1986-4-22 1751 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  UCR114543  Mimulus guttatus A. C. Sanders, K. C. Rose 1999-6-18 22811 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave. near Rawson Rd. 451 Comment
  UCR116890  Mimulus guttatus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24200 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  UCR231772  Mimulus guttatus John F. Green 2008-4-23 08- 21 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
  UCR68851  Mimulus palmeri Steve Boyd, T. S. Ross 1990-5-11 4635 Riverside Peninsular Range, Cleveland National Forest: Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground 610 Comment
  JOTR16850  Mimulus pilosus Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. BACKSIDE OF BARKER DAM 1310 Comment
  RSA0018997  Mimulus pilosus Steve Boyd, Gary D. Wallace 2005-7-30 11640 Riverside San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2659 Comment
  UC1518762  Mimulus pilosus Robert F. Thorne, J. P. Simon, and C. W. Tilforth 1969-6-24 38098 Riverside above James Reserve; San Bernardino National Forest, San Jacinto Mts., Hall Canyo 1676 Comment
  UCR202579  Mimulus pilosus Scott D. White, Justin M. Wood 2008-7-8 12397 Riverside San Jacinto Mountains, Johnson Meadows 1488 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
  UCR114837  Mirabilis californica Mitch Provance 1998-2-13 17 Riverside Jurupa Mountains, Pyrite Canyon, c. 0.3 km east of peak 1768, and c. 0.3 km south of Riv. / S.B. county line. 442 Comment
  UCR127347  Mirabilis laevis A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25851 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  POM747  Mirabilis laevis var. crassifolia I. M. Johnston 1918-4-27 1867 Riverside Temescal Canon (Between Elsinore and Corona) 366 Comment
  RSA464823  Mirabilis laevis var. retrorsa N. C. Cooper 1949-4-24 3643 Riverside Devil s Cactus Garden, Colorado Desert. 244 Comment
  UC851827  Mirabilis laevis var. retrorsa I. W. Clokey 1935-4-17 6602 Riverside Cottonwood springs Comment
  JOTR32475  Mirabilis laevis var. villosa Herskovits, Tasya, M. Harding 2011-5-20 11 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Ryan Mountain; Rocky slopes bordering Ryan Mountain Trail (Stop 2) 1524 Comment
  RSA464243  Mirabilis laevis var. villosa N. C. Cooper 1945-5-6 2257 Riverside Banning. 701 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
  RSA408755  Mohavea confertiflora N. C. Cooper 1949-4-8 3300 Riverside Desert Center. 610 Comment
  UCSB10569  Mohavea confertiflora Gunnerson, Robert 1953-3-22 Riverside 9 miles east of Indio Comment
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Nov 23 2014
  UCR77714  Mollugo verticillata Steve Boyd, Et al 1991-6-14 6342 Riverside Peninsular Range, Skunk Hollow area, 2 mi east of Murrieta Hot Springs, just west of Second San Diego Aquaduct Comment
  RSA408712  Monardella australis subsp. australis F. W. Peirson 1924-7-27 4993 Riverside Dark Canyon, near Deer Springs, San Jacinto Mts. Comment
  SD4394  Monardella breweri subsp. lanceolata Florence Youngberg 1933-8-26 Riverside Idyllwild Pines, San Jacinto Mountains. Comment
  SEINET4082822  Monardella breweri subsp. lanceolata O. M. Clark 1932-1 5113 Riverside South Hemet. Comment
  SBBG71951  Monardella lanceolata S. W. Hutchinson -Sep-1927 464 Riverside Idyllwild 1630 Comment
  RSA752882  Monardella linoides subsp. stricta Orlando Mistretta 2009-7-10 3996 Riverside Santa Ana River Canyon. Vicinity of Camp Round Meadow; 0.40 miles SE of junction of highway 38 and Jenks Lake Rd. 2027 Comment
  LA96098  Monardella nana Elizabeth McClintock; Harlan Lewis 1941-6-29 78 Riverside Santa Rosa Mountain, road up Santa Rosa Mts. 2.3 mi beyond canyon where stream crosses road Comment
  RSA768327  Monardella nana subsp. arida Elizabeth McClintock, H. Lewis 1941-6-29 76 Riverside Road up Santa Rosa Mountain, 0.5 miles beyond canyon where stream crosses road. Comment
  RSA679187  Monardella nana subsp. arida Michael Denslow, M. W. Denslow Sr., Naomi S. Fraga 2003-7-16 1459 Riverside Santa Rosa Mountains, first peak west of Toro Peak. 2617 Comment
  RSA750299  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-13 112 Riverside San Jacinto Mts. Near saw mill at Domengonio Flats, on old Idyllwild road. Comment
  RSA304548  Monolepis nuttalliana O. F. Clarke 1970-9-24 s.n. Riverside Santa Ana River bottom just east of the old Salt Lake River Bridge, Riverside. Comment
  HSC28421  Monoptilon bellioides Richard Spjut 1973-4-5 3265 Riverside Colorado Desert; N slopes of the Chuckawalla Mtns. ca. 3-4 mi. S of Desert Center 305 Comment
  JOTR33984  Monoptilon bellioides La Doux, Tasha, M. Harding 2010-4-7 2872 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  RSA554208  Monoptilon bellioides Theo Glenn 1992-3-31 92 -15 Riverside Colorado Desert. N side of Eagle Mountains, Storm Jade Mine. Comment
  SBBG8637  Monoptilon bellioides H. and M. Dearing 1937-4-10 1946 Riverside Thousand Palms Cyn Comment
  UCR104835  Monoptilon bellioides George K. Helmkamp 1998-4-4 3165 Riverside Sonoran (Colorado) Desert, 7.1 miles north of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station 305 Comment
  UCR116508  Montia fontana A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 743 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  RSA0012062  Muhlenbergia filiformis Steve Boyd, Gary D. Wallace 2005-7-30 11655 Riverside San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2659 Comment
  JOTR36006  Muhlenbergia microsperma Harding, Mitzi, T. Herskovits 2012-3-16 214 Riverside Joshua Tree National Park. Eagle Mountains, Cholla Wash Comment
  RSA736695  Muhlenbergia rigens Scott D. White 2004-4-26 10255 Riverside Soboba Indian Reservation, Indian Creek Watershed 518 Comment
  RSA97131  Muhlenbergia rigens H. K. Buechner 1955-5-29 C 74 Riverside Magnesium Canyon, north base of Santa Rosa Mountains. Comment
  RSA680487  Muilla maritima Scott D. White, Michael Honer, Dylan Hannon 2003-6-24 9593 Riverside Mountains west of I-15 Freeway and immediately north of San Diego County boundary. 335 Comment
  POM12951  Myosurus minimus subsp. apus P. A. Munz, J. M. Johnston 1922-5-19 5379 Riverside Menifee Valley. 412 Comment
  UCR76165  Myosurus minimus subsp. apus A. C. Sanders 1993-4-1 13664 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
  UC880837  Nama C. L. Hitchcock 1940-4-4 5950 Riverside Pinto Basin Comment
  SBBG35144  Nama demissa T. L. Secrest 1948-4-7 Riverside near Desert Hot Springs 213 Comment
  UCR60559  Nama demissa R. F. Thorne, C. W. Tilforth 1980-5-28 54249 Riverside San Bernardino Mtns., Branch canyon west of Whitewater Canyon, c. 3.2 mi. north of Whitewater Post Office and Hwy 10. 612 Comment
  UCSB5296  Nama demissa Haller, John 1957-3-23 Riverside Southern boundary of Joshua Tree Nat'l. Mon.; 4 air miles S. of Cottonwood Springs; 1 mi. N of jct. with US 60 609 Comment
  CSUSB114  Nama demissum var. demissum Kirby W. Brown 1966-3-10 Riverside 3.7 miles east of 1000 Palms. 60 Comment
  SBBG103909  Nassella pulchra S. D. White 1993-4-20 1211 Riverside Estelle Peak, Gavilan Hills 822 Comment
  RSA689608  Nasturtium officinale Scott D. White, Michael Honer 2003-5-27 9413 Riverside Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak 2349. 396 Comment
  RSA85584  Nasturtium officinale J. C. Roos 1950-4-9 5477 Riverside Fairmont Park, Riverside. 259 Comment
  RSA597083  Navarretia atractyloides D. L. Banks, Elizabeth Hedge Banks, John B. Hedge 1996-6-6 1121 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, At the gate to the University of California-Emerson Oaks Reserve. 451 Comment
  RSA660533  Navarretia atractyloides Orlando Mistretta 1992-6-10 527 Riverside Peninsular Ranges: (Cleveland National Forest) Along old road coming off 3504 W of Sierra Peak. Head of road. Comment
  UCR158284  Navarretia atractyloides A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30109 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
  RSA658434  Navarretia fossalis J. C. Roos 1952-5-28 5729 Riverside San Jacinto River bottomland 1 mile south-east of Perris. 427 Comment
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Aug 8 2008
  UCR68041  Navarretia fossalis D. E. Bramlet, P. Gordon-Reedy 1991-5-8 2126 Riverside San Jacinto Valley, 8.2 km SW of Hemet, 30 m east of California Ave., NE of intersection of California Ave. and Marvin Hull Rd., c. 75 m north of ATSF RR tracks & 10-300 west of MWD canal 498 Comment
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Nov 30 2009
  RSA464360  Nemacaulis denudata var. gracilis Anstruther Davidson 1893-04 s.n. Riverside Palm Springs. Comment
  UCR279329  Nemacladus A. C. Sanders, Jim Malusa 2017-3-23 42940 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 3 miles east of Iris Pass 854 Comment
  RSA439259  Nemacladus ramosissimus N. C. Cooper 1944-5-21 1239 Riverside San Jacinto Mountains, West side 915 Comment
  RSA523536  Nemacladus ramosissimus Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3995 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  POM98809B  Nemacladus rubescens P. A. Munz 1926-1-31 9979 Riverside Palm Springs. [Dos Palmas Spring] Comment
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May 30 2011
  SEINET10906123  Nemacladus rubescens Philip A. Munz 1926-1-31 Munz 9979 Riverside Dos Palmos Spring Comment
  POM126470  Nemophila menziesii F. M. Reed 1908-2-2 2021 Riverside Box Springs Mts. Foothills Comment
  UCD120217  Nemophila menziesii Geoffrey Levin 1975-4-26 491 Riverside Mayhew Canyon 1.5 mi. southeast of Glen Ivy on Highway 71. 335 Comment
  UCR165916  Nemophila menziesii T. B. Salvato, John F. Green 2004-5-27 557 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  UCR250193  Nemophila menziesii A. C. Sanders 2014-4-8 40986 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 0.35 km NW of El Hermano Rd., c. 0.95 km SE of I-15 crossing 315 Comment
  UCR261187  Nemophila menziesii A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41527 Riverside Woodcrest area of Riverside, wet canyon 0.25 km ENE of Evening Star Rd., 0.25 km north of Ridge Canyon Dr., above Woodcrest Dam 372 Comment
  UCR47054  Nemophila pedunculata B. G. Pitzer, A. C. Sanders 1987-4-11 0480 Riverside Santa Ana Mtns., Santa Rosa Plateau, W of Murrieta, 0.25 mi. due south of Tenaja Campground / Guard Station. 610 Comment
  UCR270185  Nerium oleander A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42410 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  UC489083  Nicotiana attenuata C. V. Meyer 1928-7-26 523 Riverside 0.5 mi e Dutch Flat; San Jacinto Mts. 1828 Comment
  RSA192313  Nicotiana bigelovii var. wallacei H. A. Zuill 1966-7-1 272 Riverside Main Divide Truck Trail in the moutains south of Elsinore Lake. Comment
  UC218059  Nicotiana clevelandii P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4851 Riverside vicinity Corn Springs; Colorado Desert, Chuckwalla Mountains 457 Comment
  UCR180600  Nicotiana glauca Scott D. White, Angelia Carey 2004-4-5 10015 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UC170128  Nicotiana obtusifolia E. E. Schellenger 1894-12-3 91 Riverside Chuckwalla Wash; Colorado Desert Comment
  UC474949  Nicotiana obtusifolia T. R. Gaines 1932-3-25 Riverside below Palm Springs (at foot of Santa Rosa Mts, at border of desert) 60 Comment
  UCR104846  Nicotiana obtusifolia George K. Helmkamp, E. A. Helmkamp 1998-2-5 2665 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  CAS-BOT-BC131880  Nolina parryi Peter H. Raven 1958-5-18 13002 Riverside Just below [Pinon] Pinyon Flats on State Highway 74, San Jacinto Mountains Comment
  RSA0119899  Nolina parryi Duncan S. Bell, Thomas Stoughton 2016-4-12 9229 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 3.5 air miles northwest of Rabbit Peak. 967 Comment
  RSA58891  Nolina parryi Sara M. Schenck 1950-6-8 15482 Riverside Below dam in wash above Desert Queen Mine, Joshua Tree National Monument. Comment
  CLARK-A1528-3582  Notholaena newberryi John C. Roos 1937-5-2 1412 Riverside La Sierra Comment
  SEINET12188942  Oenothera bistorta J. F. Bright, Wyman, C. 1933-1 8086 Riverside near Palm Springs Comment
  POM355280  Oenothera californica subsp. californica N. C. Cooper 1944-5-20 1245 Riverside Palms to Pines Hwy., San Jacinto Mtns. 1372 Comment
  UC604974  Oenothera californica subsp. californica Roxana S. Ferris and Ruth P. Rossbach 1938-5-20 9666 Riverside between Riverside and Ontario Comment
  RSA776903  Oenothera deltoides Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 959 Riverside Blythe-Rice Road, East/Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing. 243 Comment
  SBBG100309  Oenothera deltoides W. L. Halvorson 1977-3-8 Riverside near roadway of Interstate 10, 30 mi W of Blythe Comment
  RSA162846  Oenothera elata subsp. hirsutissima J. D. Olmsted 1959-8-22 s.n. Riverside Strawberry Creek just above crossing S of civic center in Idyllwild. San Jacinto Mountains. Comment
  CDA38177  Oenothera pallida T. C. Fuller 1958-9-23 2196 Riverside 3 miles east of Anza. 0 Comment
  UCD170720  Oenothera suffrutescens A. C. Sanders 2001-7-9 24465 Riverside Santa Ana River Valley/San Bernardino Valley, Riverside, weed in the UCR Botanic Garden. 351 Comment
  RSA525261  Oligomeris linifolia Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4574 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 549 Comment
  POM348469  Olneya tesota Anstruther Davidson 1928-05 s.n. Riverside Colorado Desert. Comment
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Dec 14 2015
  VVC234  Olneya tesota Frank Awbrey 1959-4-24 s.n. Riverside 17.7 miles east of Mecca on St Hwy 195 at E end of Box Cyn 366 Comment
  CAS-BOT-BC248281  Oncosiphon piluliferum A. C. Sanders; T. B. Salvato 2011-4-4 38975 Riverside Peninsular Range: Lake Elsinore, Hwy 74 (Riverside Dr.) at Baker St. 382 Comment
  CAS-BOT-BC349929  Oncosiphon piluliferum A. C. Sanders; T. B. Salvato; Kelly Volansky; Michelle Balk 2006-5-24 32540 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 549 Comment
  UCR163146  Oncosiphon piluliferum A. C. Sanders 2005-3-22 29245 Riverside Riverside, 3rd St. near Gage Canal and railroad 268 Comment
  UCR280602  Oncosiphon piluliferum R. E. Riefner Jr. 2016-4-24 17- 199 Riverside city of Menifee, Paloma Wash, immediately north of Holland Road and west of Haun Road 445 Comment
  SEINET11261874  Oncosiphon piluliferum R. E. Riefner Jr. 2011-5-31 11 -61 Riverside French Valley, immediately NE of Hwy 79 and the intersection with Algarve Ave.; 0 415 Comment
  RSA500567  Opuntia basilaris Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3852 Riverside Vail lake area, sedimentary hills at NW end of lake at E end of Oak Mtn, N of Wilson Creek. 488 Comment
  RSA696231  Opuntia basilaris Keith E. Hoffmaster 1933-4-13 s.n. Riverside Palm Springs. Comment
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Aug 27 2011
  POM9959  Opuntia bigelovii var. bigelovii P. A. Munz 1921-5-1 4485 Riverside 5 miles north of Whitewater, San Bernardino Mts. 305 Comment
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May 28 2011
  SEINET10820591  Opuntia chlorotica Karen M. Meyer, Andrew Townesmith; Tracy Scott 2007-3-19 Meyer 22 Riverside San Bernardino National Forest. San Jacinto Ranger District, Sawmill Trailhead, about 0.3 mi. along Pinon Flats Transfer Station Rd., off of Route 74. 1232 Comment
  UCR42629  Opuntia oricola A. C. Sanders, B. D. Parfitt, R. Anthony 1986-4-19 6462 Riverside Santa Rosa Plateau, Santa Ana Mtns., Sandia Canyon, south side of Mesa de Burro, just below large water tanks near intersection of De Luz and Rancho Califonia Roads 457 Comment
  POM314641  Opuntia phaeacantha G. R. Vasey 1880-1 s.n. Riverside San Jacinto Plains. Comment
  POM288951  Opuntia vaseyi Lyman Benson, Robert Benson 1955-12-6 15623 Riverside Hills 3 miles southeast of Redlands. Crystal Springs. San Bernardino foothills. 488 Comment
  JEPS18058  Orcuttia californica Frank W. Peirson 1922-5-19 3020 Riverside Menifee Valley Comment
  RSA757047  Orcuttia californica D. E. Bramlet, Rick Riefner 2005-5-17 3856 Riverside Stowe vernal pool. The site is located 152m N of Stowe Rd. & 213m W of California Ave. The pools are located 8km west of Hemet. 456 Comment
  JEPS85953  Orobanche cooperi L. R. Heckard with R. Bacigalupi 1977-3-15 4531 Riverside ca. 16 mi. n.e. Desert Center (along Rice Rd.) Comment
  RSA801949  Orobanche fasciculata LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6160 Riverside Along road (5S24). End of Marion Ridge road, south of the community of Pine Cove. Ridge running south down to Idyllwild school of performing arts, west of Strawberry Valley. 1799 Comment
  RSA28063  Orthocarpus purpurascens I. L. Wiggins 1941-3-27 9703 Riverside 4 mi. north of Whitewater. Comment
  RSA487430  Orthocarpus purpurascens 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
  RSA612850  Orthocarpus purpurascens var. purpurascens D. L. Banks 1997-3-1 1366 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  UC1520011  Osmadenia tenella Robert Gustafson, Gary Wallace 1983-6-23 2721 Riverside ca 2 1/2 mi from its junction with Hwy. 15 Clinton Keith Road; Santa Ana Mts. Comment
  UC1608216  Osmadenia tenella Steve Boyd, Tim Ross 1992-6-10 7626 Riverside an isolated area topping the ridge system due west of the junction of Tenaja Road (7S01) and Los Alamos Road ((7S04) Potrero Escondido; Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar Comment
  RSA508015  Osmorhiza brachypoda Steve Boyd, C. Boyd, Kyle Boyd, R. Noyes, L. Arnseth 1988-5-28 2293 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. 1500 Comment
  RSA585876  Oxalis albicans subsp. californica D. L. Banks, S. D. Boyd 1995-5-9 360 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
  RSA126711  Oxytheca caryophylloides Peter H. Raven, R. Snow 1957-7-26 11091 Riverside Banning-Idyllwild road, 0.9 miles north of Vista Grande Ranger Station, San Jacinto Mts. Comment
  RSA544399  Oxytheca emarginata Steve Boyd, Tim S. Ross 1991-6-8 6326 Riverside Pinyon Flats area near Ribbonwood. White calcareus outcrop forming small hill N of Hwy 74 Comment
  RSA593784  Oxytheca emarginata Jeri Hirshberg 1995-5-19 279 A Riverside San Jacinto Mountains, Garner Valley. 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
  POM363750  Palafoxia arida var. arida Ora M. Clark 1929-3-16 1708 Riverside N. of White Water. Comment
  POM6185  Palafoxia arida var. arida I. M. Johnston 1917-4-4 s.n. Riverside Mouth of Andreas Canyon. 244 Comment
  UCR251921  Palafoxia arida var. arida Jim Andre 2013-3-27 24844 Riverside NE Colorado Desert, Riverside Mountains, Agnes Wilson Rd. west of crossing of Colorado River, 0.8 mi east of Hwy 95, 12.4 mi south of Vidal Junction 115 Comment
  JOTR35018  Panicum hirticaule subsp. hirticaule La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3116 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road, near Mission Well Comment
  CAS-BOT-BC413393  Parietaria hespera var. hespera Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater 304 Comment
  LA45756  Parkinsonia florida Carl Epling; William Robison 1933-6-24 sn Riverside near Indio Comment
  SEINET2060863 Image available Parkinsonia florida John N. Bullock 1948-4-27 P- 19 Riverside 100 m SE of Californnia Hwy 195, 8.9 meters E of the All American Canal, Mortmar 7 1/2' Quad. 292 Comment
  UCR90590  Paspalum dilatatum Scott D. White 1995-6-29 3407 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  RSA667027  Paspalum distichum A. C. Sanders, Mitch Provance 1999-9-26 23090 Riverside Lake Hemet, north shore at FS day use area 1323 Comment
  UCR109746  Paspalum distichum R. E. Orth 1963-8-1 s.n. Riverside Peninsular Range, Temecula Area, Vail Lake 457 Comment
  UCR207309  Passiflora caerulea Darren T. Hasegawa 2007-4-21 s.n. Riverside Peninsular Range, Riverside, UCR campus, along fence of botanic garden subtropical fruit orchard 351 Comment
  CAS-BOT-BC355871  Pectis papposa var. papposa R. F. Hoover 1966-10-15 10174 Riverside Bighorn Drive, San Jacinto Mts. Comment
  HSC78514  Pectocarya heterocarpa G. K. Helmkamp 1983-3-24 38312 Riverside Little Chuckwalla Mtns., N base, 1.5 mi. E of Graham Pass Rd. 335 Comment
  RSA77873  Pectocarya heterocarpa F. W. Peirson 1935-4-17 11473 Riverside 30 miles north of Blythe. Comment
  RSA779010  Pectocarya heterocarpa Duncan S. Bell 2010-4-1 644 A Riverside Arica Mountains: collecting near the Atchinson, Topeka, and Santa Fe railroad tracks approximately 3 air miles east of Priest Well, or approximately 4.3 air miles southeast of the ghost town of Rice. 216 Comment
  SEINET2042520 Image available Pectocarya heterocarpa A. C. Sanders 2001-3-20 23833 Riverside (Desert Hot Springs Quad 7.5') Desert Hot Springs, NW corner of intersection of Pierson Blvd and Atlantic Blvd. Between flood control ditch and Pierson, W of high school. T2S R4E S25, (SE 1/4 of SW 1/4) 335 Comment
  UCR114826  Pectocarya linearis Mitch Provance, Seychelle Provance 1998-2-17 86 Riverside Jurupa Mountains, Jensen Quarry; Sunnyside area on W side of Sierra Blvd, c. 0.2 miles NW of the corner of Scenic Dr. and 34th St. 348 Comment
  UCR127338  Pectocarya linearis A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25838 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  UCR180139  Pectocarya linearis Mitch Provance 2003-4-26 9905 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  RSA769651  Pectocarya linearis subsp. ferocula Duncan S. Bell, Naomi Fraga 2010-4-22 852 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.2 air miles southeast of junction of Highway 74 and forest service road 5S15. Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 771 Comment
  UCR237687  Pectocarya linearis subsp. ferocula Orlando Mistretta, Duncan S. Bell, Janet Beckman, Joy England, K. Kane, et al. 2010-4-12 4475 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 488 Comment
  UCSB33375  Pectocarya linearis subsp. ferocula Marks, R. 1978-3-16 Riverside At top of hill 3/4 mi. W of orange grove at 3000 Mc Allister Dr. in Riverside 457 Comment
  PASA1955  Pectocarya penicillata 1928-3-3 Riverside near Whitewater - Col. desert Comment
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Jun 24 2016
  UCR51067  Pectocarya penicillata S. J. Myers 1988-2-24 s.n. Riverside Peninsular Range, Temescal Canyon, about 0.25 mi west of intersection of Hwy I-15 and Indian Truck Trail 381 Comment
  CLARK-A1045-139  Pectocarya platycarpa George K. Helmkamp 1978-4-1 Riverside Deep Canyon rocky flat by University of California Reserve System Boyd research station; Palm Desert 15'Q Comment
  RSA597412  Pectocarya platycarpa L. C. Wheeler 1970-4-5 s.n. Riverside West of Desert Hot Springs, by old road to 29 Palms. Comment
  RSA777770  Pectocarya platycarpa Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 975 Riverside Road to Priest's Well, east side of Arica Mountains 488 Comment
  JOTR30140  Pectocarya recurvata La Doux, Tasha 2008-2-4 1707 Riverside Joshua Tree National Park. Stop #1: Hexie Mtns./Porcupine Wash; open sandy wash near road heading to Cottonwood. 745 Comment
  RSA49357  Pectocarya recurvata P. A. Munz 1949-4-11 13009 Riverside Near Conejo Well, north base of Eagle Mts 915 Comment
  SD224883  Pectocarya recurvata A. C. Sanders, L. Lubinsky, A. Knapp, P. MacKay & C. L. Sanders 1995-2-12 15919 Riverside Colorado Desert: Coachella Valley, alluvial fan below the Little San Bernadino Mtns., Fargo Canyon Rd. 1.35 mi. E of Dillon Rd. 98 Comment
  RSA543594  Pectocarya setosa Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6146 Riverside Santa Ana Mountains, S side of Elsinore Peak. 1037 Comment
  RSA160448  Pedicularis densiflora J. D. Olmsted 1959-4-14 374 Riverside 4 mi. SR of Oak Flat near west county line on Santiago Pk. dire rd. near top of pk. west of Santiago pk. SW towards Irvine. 1280 Comment
  UC1543142  Pediomelum californicum Fullerton Junior College Botany students 1936-5-22 Riverside San Jacinto Mountains Comment
  CHSC8343  Pellaea mucronata Edward L. Smith 1958-3-6 342 Riverside Located in Coldwater Canyon, Glen Ivy, sw side of Temescal Canyon Road, Temescal Mtns. 762 Comment
  IRVC3156  Pellaea mucronata var. californica R. H. Whittaker, W. A. Niering 1963-5-30 SJ 89 Riverside Santa Rosa Road. Peninsular Ranges, Santa Rosa Mountains 1585 Comment
  UCR207574  Pennisetum clandestinum O. F. Clarke 2004-6-18 s.n. Riverside Peninsuar Range; Box Springs Mtns. Foothills, Riverside, UCR campus, south of the Humanities Theater 324 Comment
  RSA184663  Penstemon clevelandii subsp. connatus L. B. Ziegler 1966-6-1 s.n. Riverside Near old Kenworthy Mine, Kenworthy Ranger Station, Hemet Valley 1524 Comment
  NY583963  Penstemon clevelandii var. connatus A. E. Wieslander 1938-5-15 737 Riverside Near Sugar Loaf Mountain. Forest: Thermal Quadran. 1219.2 Comment
  UCR23082  Penstemon heterophyllus W. W. Mayhew, B. A. Carlson 1981-6-6 s.n. Riverside San Jacinto Mtns, Valley Hi County Park off Hwy 243 1220 Comment
  RSA0014867  Penstemon heterophyllus var. australis Scott D. White, Justin M. Wood 2009-5-21 12849 Riverside San Jacinto Mountains: McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  POM12228  Penstemon labrosus Mary F. Spencer 1921-7-11 658 Riverside Idyllwild. 1829 Comment
  RSA68357  Penstemon labrosus Verne Grant, Alva Grant 1951-7-20 16099 Riverside Idyllwild 1646 Comment
  SD229291  Penstemon rostriflorus Dick Schwenkmeyer 2011-8-25 653 Riverside Thomas Mountain, Tool Box Springs Campground 1857 Comment
  UC27405  Penstemon rostriflorus H. M. Hall 1898-6-25 940 Riverside Van de Venter's San Jacinto Mountains, , Van de Venter's (El Toro Mt.) 1356 Comment
  UC729880  Penstemon rostriflorus Carl B. Wolf 1932-8-4 3908 Riverside near Idyllwild; San Jacinto Mts., Point View 1645 Comment
  UC1012298  Penstemon spectabilis F. W. Pennell and A. L. Grant 1940-4-28 25279 Riverside Route 74, 7-8 mi e Hemet; e of Hemet 548 Comment
  UCR122523  Penstemon spectabilis George K. Helmkamp, E. A. Helmkamp 2001-5-20 6683 Riverside San Jacinto Mountains, Morris Ranch Rd., 2.1 mi NE of CA-74 1570 Comment
  NY661185  Penstemon spectabilis var. spectabilis H. K. Sharsmith 1954-7-7 4445 Riverside On highway between Banning and Idlewild, near Fuller Creek, San Bernardino National Forest. 1828.8 Comment
  UC1979642  Penstemon spectabilis var. spectabilis Steve Boyd 1995-4-24 8490 Riverside Palomar Range, Agua Tibia Wilderness Area, northeastern base of Wildhorse Peak, west of Devil's Hole, along the Wildhorse Trail near the rounded gabbro peak known as Agua on the USGS Vail Lake 7.5' quadrangle. Comment
  NY662591  Penstemon thurberi E. C. Jaeger 1931-10-25 s.n. Riverside Two miles north of Lost Horse Mine, cross-roads of Lost Horse-Stubby Springs road, Little San Bernardino Mountains Comment
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May 29 2011
  CAS-BOT-BC330348  Pentachaeta aurea H. M. Hall 1901-6-1 2057 Riverside San Jacinto Mountains, vicinity of Chalk Hill 1524 Comment
  RSA430200A  Pentachaeta aurea E. Misquez 1987-4-11 s.n. Riverside Walker Basin: 2 miles on Avenida de Oro from jct. with Rancho California Rd. and 4.7 miles W of I15. 415 Comment
  SBBG63077  Pentachaeta aurea M. N. Ackley -May-1929 1173 Riverside Tahquitz Lodge 1524 Comment
  UCR261394  Pentagramma triangularis Joseph Cahill 2011-1-8 111- 19 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
  SEINET10545725  Perideridia parishii David B. Dunn 1946-8-17 Dunn 2694 Riverside Grass near stream at camp in Taquity Valley damp meadow area. 2438 Comment
  CAS-BOT-BC355996  Perityle emoryi L. R. Abrams 1926-3-26 11012 Riverside Palm Springs Comment
  RSA709895  Perityle emoryi Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4596 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UCR102696  Perityle emoryi B. G. Pitzer 1998-1-24 3379 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  UCR104801  Perityle emoryi George K. Helmkamp 1998-2-5 2648 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, 1.1 mi. west of Calif. Hwy 111 on Tramway Rd. 335 Comment
  UCSB22910  Perityle emoryi Day, Fran 1964-3-23 Riverside 3 miles east of U.S. 99 on Ramon Road 91 Comment
  RSA0021423  Perityle emoryi A. L. Haines 1973-3-25 s.n. Riverside Orocopia Mountains 473 Comment
  POM12018  Petalonyx linearis E. C. Jaeger 1920-4-7 1197 Riverside Rockhouse Canyon, Santa Rosa Mts. Comment
  SD87688  Petalonyx linearis F. W. Peirson 1921-3-23 2376 Riverside Deep CaA'on east of Palm Springs. 334 Comment
  CAS-BOT-BC167768  Petalonyx thurberi C. Epling; Wm. Robison 1933-6-26 s.n. Riverside Little San Bernardino Mts. Basin 5 mi. south, Lost Horse Wells Comment
  RSA445167  Petalonyx thurberi N. C. Cooper 1944-5-20 2631 Riverside Palms to Pines Hwy., San Jacinto Mtns. 305 Comment
  RSA698081  Petalonyx thurberi J. R. Bruff 1927-10-8 1 -O Riverside Thousand Palms. Comment
  SBBG69396  Petalonyx thurberi subsp. thurberi V. Duran 1933-7-3 3500 Riverside Deep Cyn 243 Comment
  CAS-BOT-BC326735  Peucephyllum schottii E. A. McGregor 1917-3-17 709 Riverside Granite Ridge west of Fig Tree John's Comment
  JOTR34023  Peucephyllum schottii La Doux, Tasha, M. Harding 2010-4-7 2910 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; in upper reaches of side canyon, approx. 1 mile north of park boundary Comment
  SEINET7248273 Image available Peucephyllum schottii Duncan S. Bell, LeRoy Gross 2014-1 6241 Riverside Orocopia Mountains; southern section of range; approximately 3 air miles northwest of Clemens Well. 431 Comment
  UC68951  Peucephyllum schottii Joseph Burtt Davy 1902-3-25 7934 Riverside Indio Comment
  UCSB10706  Peucephyllum schottii Muller, Katherine 1952-4-5 Riverside On rocky slope 2 miles North of Dos Palmas on road from Hot Mineral to Mecca-Blythe Highway Comment
  SEINET10801062  Peucephyllum schottii David B. Dunn 1946-2-23 Dunn 1975 Riverside Hidden Springs Canyon in the vicinity of the Palms. Comment
  RSA496366  Phacelia Steve Boyd, Tim Ross, L. Arnseth 1989-3-19 3040 Riverside Vail Lake area, 0.75 mile NW of dam. 622 Comment
  POM289860  Phacelia ambigua Lyman Benson 1933-3-31 4171 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  RSA348924  Phacelia ambigua Robert F. Thorne, R. Rutherford 1964-4-12 33657 a Riverside 1 mile W of turnoff to Cottonwood Wells [Springs]. Larrea desert scrub along Hwy. 60-70. Comment
  RSA0121028  Phacelia campanularia subsp. campanularia Duncan S. Bell, LeRoy Gross 2016-3-29 9110 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5 air miles southeast of the summit of Martinez Mountain. 686 Comment
  RSA764120  Phacelia cicutaria var. hispida L. M. Prince, Duncan S. Bell 2009-6-17 580 Riverside Cleveland National Forest Comment
  SDSU12935  Phacelia cicutaria var. hispida Jutta Buschbom 1991-6-3 39 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
  UCR215510  Phacelia cicutaria var. hispida Daphne K. Christopher, Hannah I. Stevens 2003-4-4 096 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve, off Sage Road 530 Comment
  UCR258758  Phacelia cicutaria var. hispida T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7916 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
  UCR90750  Phacelia cicutaria var. hispida Scott D. White 1995-4-5 2750 Riverside Perris Valley, Lakeview Mountains; SW of Juniper Flat Road 579 Comment
  SJSU11243  Phacelia crenulata R. C. McGehee 1970-4-15 195 Riverside Wileys Well 26 mi SW of blythe Comment
  JEPS2303  Phacelia crenulata var. ambigua E. E. Schellenger May 1920 Riverside canyon e Coachella; Colorado Desert Comment
  JOTR34014  Phacelia crenulata var. ambigua La Doux, Tasha, M. Harding 2010-4-7 2901 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
  UC881059  Phacelia crenulata var. ambigua Lewis S. Rose 1937-4-9 36133 Riverside Palms to Pines Hwy 15 mi w Indio 838 Comment
  UC663066  Phacelia cryptantha James E. Cole 1941-5-30 824 Riverside peak ese C. G. S. SDtation; Joshua Tree National Monument, Quail Mountain Comment
  UCR169392  Phacelia curvipes T. B. Salvato, John F. Green 2004-5-27 595 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
  JEPS2009  Phacelia distans W. L. Jepson 1939-4-17 19128 Riverside near Twin Sprs. (n end of canyon, sw Riverside Co.); Temescal Canyon Comment
  RSA426211B  Phacelia distans N. C. Cooper 1949-4-8 3309 Riverside Desert Center. 610 Comment
  RSA426218  Phacelia distans Ora M. Clark 1929-2-23 1530 Riverside South of Cabazon Comment
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Mar 13 2011
  SBBG80514  Phacelia distans M. Rosczyk, G. K. Helmkamp 1985-4-4 256 Riverside W side of the main cyn just below the BLM gate 533 Comment
  SD119904  Phacelia distans Louis B. Ziegler 1978-4-12 581 Riverside Lower foothills of the San Jacinto Mountains in the San Jacinto Valley. 472 Comment
  SD217310  Phacelia distans Darin L. Banks, Elizabeth Hedge Banks 1996-5-2 938 Riverside Northwest Palomar Mountains; northwest foothills of Dorland Mountain, south end of Los Caballos Road, University of California-Emerson Oaks Reserve. 448 Comment
  UC1287093  Phacelia distans C. L. Hitchcock 1966-3-16 24203 Riverside along Palms to Pines Hwy 7 mi s Palm Desert Comment
  UC511757  Phacelia distans Frank W. Peirson 1922-4-9 956 Riverside canyon bottom Murray Canyon (near end of road) 304 Comment
  UC56888  Phacelia distans H. M. Hall 1902-4-22 2953 Riverside vicinity of Riverside 365 Comment
  UCR104034  Phacelia distans George K. Helmkamp 1998-2-5 2638 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, 1.1 mi. west of Calif. Hwy 111 on Tramway Rd. 335 Comment
  UCR172203  Phacelia distans John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley: Leon Road (San Diego Aqueduct right of way) from Borel Road/Tucalota Creek S for c. 0.25 mi 427 Comment
  UCR262276  Phacelia distans A. C. Sanders 2006-5-13 32288 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  CAS-BOT-BC145044  Phacelia keckii John Thomas Howell 1931-5-30 6611 Riverside Santiago Peak, Santa Ana Mts. 1219 Comment
  CAS-BOT-BC227842  Phacelia minor Amanda Lovelady; A. C. Sanders; Giles Waines; UCR Plant Taxonomy Class 2007-5-12 13 Riverside Peninsular Range; San Jacinto Mtns.: dirt forest service road north of Poppet Flats, west of Hwy 243 1253 Comment
  RSA516417  Phacelia minor Walter Wisura, Bart O'Brien, T. Hayduk 1990-5-2 4426 Riverside Ortega Hwy. below switchbacks, near Lake Elsinor. Comment
  RSA550042  Phacelia minor Walter Wisura, A. King, L. Newcomb 1992-4-10 4665 Riverside Colorado Desert, Morongo Valley, Mission Creek Ranch W of Highway 62 below Morongo Valley. Comment
  RSA777159  Phacelia minor Steve Boyd, S. G. Jett 2008-3-20 11826 Riverside Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Hiway Vehicle Area. Comment
  UC1537525  Phacelia minor Gordon H. True Jr. 1935-2-20 2 Riverside Box Springs Sycamore Canyon (lower end of canyon) 365 Comment
  POM13911  Phacelia pedicellata P. A. Munz, D. D. Keck 1922-4-9 4758 Riverside Shavers Well, near Mecca. 76 Comment
  UCR131795  Phacelia ramosissima Mitch Provance 1998-5-24 532 B Riverside Jurupa Mtns., Belltown area, 'Belltown Hill', small knoll near the E corner of Agua Mansa Rd. and Crestmore Rd./ Market St. 299 Comment
  SEINET5499544  Phacelia vallis-mortae H. M. Hall 1897-3-27 415 Riverside Sage Comment
  UCR20521  Phacelia viscida H. A. Zuill 1966-6-5 197 Riverside Santa Ana Mtns., San Mateo Canyon c. 13 mi SW of Murrieta Comment
  CLARK-A1528-4793  Phalaris aquatica John C. Roos 1962-6-30 Riverside Santa Ana Mountains Comment
  RSA443395  Phalaris aquatica J. C. Roos 1962-6-30 s.n. Riverside Head of Tin Mine Canyon Comment
  RSA343112  Phalaris caroliniana R. F. Thorne, Walter Wisura, EA Lathrop, Sara Meury 1985-5-18 60651 Riverside Santa Rosa Plateau: Mesa de Colorado 625 Comment
  UCR182090  Phalaris lemmonii Kristin Szabo 2002-1 126 Riverside Whittier Channel, SW edge of Hemet along Whittier Ave. east of Warren Rd., SW of trailer park and NW of airport 457 Comment
  CAS-BOT-BC250619  Phalaris minor K. Larson 1977-5-12 2280 Riverside Wiley Wells Rd. ca. 20 mi. W. of Blythe Comment
  RSA206497  Phalaris minor E. W. Lathrop 1969-5-19 7066 Riverside 6 mi west of Murrieta. Mesa De Colorado of Santa Rosa Plateau Comment
  RSA666711  Phalaris paradoxa A. C. Sanders, T. B. Salvato 2001-5-25 24383 Riverside San Jacinto Valley: west edge of Hemet, north side of Hwy 74 (Florida Ave.) at Warren Rd., 33 deg 44.5'N, 117 deg 02'W; T5S R1W S7 SW/4 of SW/4; T5S R5W S12, SE/4 of SE/4) 457 Comment
  UCR35504  Phaseolus acutifolius Giles Waines, J. Mosjidis 1981-11-1 s.n. Riverside Grown at University of California Riverside Comment
  UC1075773  Philadelphus microphyllus var. stramineus E. K. Balls 1955-9-20 21443 Riverside Above Dark Canyon up from end of trail, W slope of San Jacinto Mts. Comment
  UC415567 Image available Philadelphus microphyllus var. stramineus H. M. Hall 1901-7 2500 Riverside Vicinity of Tamarack Valley San Jacinto Mts. 2529 Comment
  SBBG59522  Phleum alpinum R. Hoffmann 1929-9-6 Riverside Tahquitz Valley Comment
  UCR35058  Phlox gracilis L. B. Ziegler 1968-4-12 274 Riverside San Jacinto Mtns., Hemet Valley at Quinn Flats 1372 Comment
  UCSB36918  Phoradendron bolleanum Perez, Ray 1955-5-21 Riverside Pinyon Flats Camp; E. slope San Jacinto Mountain, Riverside, California Comment
  CAS-BOT-BC135111  Phoradendron californicum Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  HSC87172  Phoradendron californicum Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2103 Riverside N end of the Palen Mtns., 2 mi. W of Palen Pass 300 Comment
  RSA48336  Phoradendron californicum E. K. Balls 1949-4-4 12972 Riverside At Desert Beach on Hwy 111, Colorado Desert. -15 Comment
  RSA713978  Phoradendron californicum A. C. Sanders, J. Andre, P. J. MacKay, Tim Thomas 2005-2-26 29129 Riverside Sonoran (Colorado) Desert: SE of Hwy 117 towards dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  RSA97439  Phoradendron californicum F. W. Peirson 1920-12-28 1719 Riverside Murray Canyon near Palm Springs Comment
  CAS-BOT-BC135178  Phoradendron juniperinum Louis C. Wheeler 1931-10-3 243 Riverside 1 1/2 mi NW Tahquitz Peak, San Jacinto Mts. 1920 Comment
  SD155415  Phoradendron pauciflorum Craig Reiser 2002-5-27 Riverside Santa Rosa Peak, north of east-west fire road, below peak. Comment
  UCR94624  Physalis Rudy Ruibal 1996-8-9 s.n. Riverside Riverside: Residence of R. Ruibal Comment
  RSA600123  Physalis crassifolia Louis C. Wheeler 1959-12-27 7640 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
  SD227911  Physalis crassifolia B. Pitzer 1998-1-24 3381 Riverside N foot of Chuckwalla Mts, Eagle Mt Rd, S side of Hwy I-10, 0.8 mi S of Hwy at powerline rd, & wash directly S of rd. 500 Comment
  SEINET10964652  Physalis crassifolia David B. Dunn 1946-2-22 Dunn 1955 Riverside Collected in mud flats dry caked and split. All american canal catch basin from Desert washes. Oracopia mts. Ne of the saltan sea. Very arid country. Comment
  JOTR35302  Physaria tenella Andre, Jim 2012-4-11 20800 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
  SEINET10612064  Pinus attenuata Porter P. Lowry II 1980-12-6 Lowry II 3125 Riverside Along State Hwy. 74, 14.2 mi SE of jct. with Stae Hwy. 79. San Bernardino National Forest. 1128 Comment
  SEINET2149953  Pinus californiarum S. Langer 1999-1 s.n. Riverside from edge of dirt road off Highway 371, Santa Rosa Mountains. Comment
  RSA0031608  Pinus contorta subsp. murrayana Rudolf Schmid, Mena Schmid 2009-5-3 2009 -7 Riverside San Jacinto Mtns., Tahquitz Peak. Just right (as ascending) of South Ridge Trail to Tahquitz Peak. 2628 Comment
  RSA769823  Pinus coulteri E. W. Lathrop 1968-5-22 6933 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  RSA682885  Pinus flexilis Michael Denslow, Firoozeh Navid-Ara, Valerie Soza 2003-7-15 1448 Riverside Northeast side of Tahquitz Peak, on trail to Saddle Junction 2637 Comment
  SFV268  Pinus monophylla M. L. Vincent, R. H. Swade 1963-10-19 440 Riverside Roadside on California state Highway 74, near the road to Pinyon Flat. 1220 Comment
  RSA614474  Piperia cooperi Darin L. Banks 1997-4-5 1701 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. South of Dorland Mountain, just west of Wilderness Area boundry, along tributary of north fork of Pechanga Creek. 445 Comment
  UCR40255  Piptatherum miliaceum Steve Boyd 1985-7-23 1018 Riverside Peninsular Range, De Luz Road, 8 mi west of Rancho California. Side canyon of Sandia Creek 305 Comment
  SD227711  Pistacia atlantica A. C. Sanders, G. Helmkamp 1997-3-15 20004 Riverside Peninsular Range: Lake Skinner, cultivated at the Multiple Slpecies Reserve Headquarters, east of the lake. 473 Comment
  UCR7780  Pityrogramma triangularis var. triangularis Pat Halligan 1968-4-13 s.n. Riverside San Bernardino Valley Region, Box Springs Mtns., Riverside, 1/4 mile SW of water tank on Sugarloaf Mtn. 366 Comment
  UCR137677  Plagiobothrys G. R. Ballmer 1996-4-10 s.n. Riverside Skunk Hollow, 6 mi. east of Murrieta, on W side of Pouroy Road 457 Comment
  UCR108842  Plagiobothrys collinus Heidi A. Haid 1968-5-14 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR230215  Plagiobothrys collinus A. C. Sanders 2011-4-6 38986 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  RSA715307  Plagiobothrys collinus var. californicus John Green 2006-5-10 s.n. Riverside Peninsular Ranges: City of Murrieta; S of the Hogbacks. N of Hunter Road to Ramage Lane, between Calle de Amor on the E and Springview/Kiwebre Road on the W. 366 Comment
  UCR134643  Plagiobothrys collinus var. californicus Mitch Provance 1998-4-10 410 Riverside La Sierra Hills, east-facing slopes of hills at western extreme of Cypress Ave 351 Comment
  RSA709076  Plagiobothrys nothofulvus Jeri Hirshberg 1989-3-15 s.n. Riverside Santa Ana Mtns.: Santa Rosa Plateau, south of town of Murrieta; small mesa SW of Mesa de Burro. 10 Comment
  RSA741164  Plagiobothrys tenellus Scott D. White, Justin M. Wood 2008-5-15 12000 Riverside Johnson Meadow. 1415 Comment
  UCR266778  Plagiobothrys tenellus Mitch Provance, Matt Amalong 2015-3-25 315- 24 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
  RSA251158  Plagiobothrys undulatus P. A. Munz 1941-5-18 16662 Riverside north end of Santa Rosa Ranch, Elsinore Mountains. 854 Comment
  RSA234038  Plantago bigelovii subsp. californica Robert F. Thorne, E. W. Lathrop 1969-5-12 37943 a Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California. 625 Comment
  RSA523545  Plantago erecta Steve Boyd, Tim S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4005 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR150973  Plantago erecta D. L. Banks 1997-3-29 1589 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Headwaters of Pala Creek at the S extremity of the Reservation, north of the Riverside/San Diego Co. line, west of the intersection of Magee Truck Trail and Moreno Rd including a large area of vernally wet grassland at the extreme SW corner of the Reservation 409 Comment
  UCR226064  Plantago erecta A. C. Sanders, T. B. Salvato 2011-4-1 38967 Riverside Peninsular Range, Lake Elsinore, hilltop 90 m NE of intersection of Baker St. and Bunker St., 0.35 km NW of Hwy 74 401 Comment
  SEINET3523551 Image available Plantago ovata Jim Andre, T. La Doux 2010-2-28 12553 Riverside Lower Colorado River Valley; along Hwy 95 c. 25 miles north of Blythe, on east side of Big Maria Mountains, under radio tower. 83 Comment
  UCR217800  Plantago ovata Jim Andre, T. La Doux 2010-2-28 12553 Riverside Lower Colorado River Valley, along Hwy 95 c. 25 miles north of Blythe, on east side of Big Maria Mountains, under radio tower 83 Comment
  POM220057  Plantago ovata var. fastigiata F. R. Fosberg 1932-3-13 8074 Riverside Thousand Palms Canyon, Coachella Valley. Comment
  RSA21751  Plantago ovata var. fastigiata Carl B. Wolf 1937-4-6 8423 Riverside Coachella Valley, 2 mi. NE. of Edom 30 Comment
  RSA314639  Plantago ovata var. fastigiata Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55434 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  UCD124541  Plantago ovata var. fastigiata Geoffrey Levin 1975-4-5 473 Riverside Box Canyon Wash on State Highway 195, 18.3 mi. NE of Jcn. Of 195 and 111 (Mecca). Between Mecca Hills and Orocopia Mts. 30 Comment
  RSA769775  Plantago patagonica Duncan S. Bell, Joy D. England 2010-5-17 1008 Riverside San Bernardino National Forest: Rouse Ridge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15. 1045 Comment
  UCR125281  Platanus acerifolia A. C. Sanders 2002-11-21 25651 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  UCR22111  Platanus racemosa Steve Boyd 1980-5-15 275 Riverside Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan plateau 625 Comment
  UCR234327  Platanus racemosa A. C. Sanders, John F. Green 2012-4-6 40007 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, off Temescal Cyn. Rd., between Campbell Ranch Rd. and I-15 Fwy, c. 10 miles south of Corona 324 Comment
  SEINET10763688  Platanus racemosa R. Allen, Fred M. Roberts 2007-6-22 Allen s.n. Riverside SE of Hemet, Bautista Cyn, ca. 4 road mi SE of jct Bautista Cyn Rd & Fairview Ave. UTM Zone 11S; 3726312mN; 05152050E. 727 Comment
  RSA445698  Platystemon californicus Jeannette B. Edge 1934-3-18 18853 Riverside [San] Timoteo Canyon. 518 Comment
  RSA543736  Platystemon californicus Steve Boyd, Mike Hammitt 1991-5-2 6071 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
  RSA718300  Pleurocoronis pluriseta Michael Honer, Lincoln Hulse 2004-4-2 1881 Riverside East Wide Canyon; near MWD aqueduct, appx 2 mi. N of Dillon Rd. 488 Comment
  RSA575849  Pluchea sericea Steve Boyd 1982-11-2 s.n. Riverside Gavilan Hills region, Temescal Canyon at the confluence of Estelle Creek and Temescal Creek, at the northern end of the entrenched meander of Temescal Creek at the western base of Estelle Mountain 329 Comment
  SEINET10886873  Pluchea sericea Greg Gust, Leith Nye 2005-3-10 Gust 534 Riverside City limits of Lake Elsinore on River Bank just off of Auto Center Dr, N of junction with Diamond Dr. 400 Comment
  SEINET10801072  Pluchea sericea David B. Dunn, A. Folsom 1948-6-17 Dunn 3811 Riverside Above quad one. At camp in Pushawalla Canyon under palms. Comment
  UCR125473  Poa annua A. C. Sanders, P. J. MacKay, D. L. Sanders 2003-2-9 25685 Riverside Sonoran (Colorado) Desert, Coachella Valley, 84th Ave. east of Johnson St., near west edge of Salton Sea -67 Comment
  RSA740611  Poa pratensis Scott D. White, Justin M. Wood 2008-6-19 12260 Riverside Meadows at Baldy Mtn. 1585 Comment
  UCR3215  Poa pratensis V. L. McFarland 1964-5-21 s.n. Riverside San Bernardino/ upper Santa Ana River Valley, Riverside, lawn of Faculty Club on UCR campus 335 Comment
  RSA753938  Poa secunda W. Schlegel, Andrew Trouette, Jordan Zylstra 2009-4-16 29 Riverside Idyllwild, Garner Valley Naked Noses. Comment
  UC1713682  Polygonum amphibium var. emersum I. M. Johnston 1918-5-30 2027 Riverside Lee Lake Temescal Canyon 335 Comment
  CLARK-A1528-758  Polygonum aviculare C. M. Flanagan 1973-4-17 OO 111 Riverside Riverside 243 Comment
  UCR92252  Polygonum aviculare Scott D. White, M. A. Patten 1995-8-16 3556 Riverside San Jacinto Valley, Just west of Hemet, valley floor and foothills at SE margain of Lakeview Mts. north of Florida Ave. (SR 74) and west of California Avenue 500 Comment
  UC582926  Polygonum hydropiperoides Philip A. Munz 1935-10-21 14652 Riverside below Rincon; Santa Ana River Comment
  RSA509564  Polypodium californicum Ed LaRue 1989-3-30 s.n. Riverside Rancho California area, ca. 4 miles W of Temecula, with Ave. del Oro as the N boundary. 381 Comment
  UCSB62772  Polypodium californicum Kiefer, Lawrence 1963-11-3 Riverside Reche Canyon (S of Loma Linda), W side, no-running ravine just inside county line. 426 Comment
  RSA736306  Polypogon interruptus Scott D. White, Justin M. Wood 2008-5-13 11953 Riverside I-215 freeway right of way. South of Scott Rd. Comment
  RSA792258  Polypogon monspeliensis D. M. McF 1954-5-28 11 Riverside Jct Hwy 395 and Newport Ave. Comment
  SDSU13614  Polypogon monspeliensis W. Miller, C. Mosse 1972-7-11 Riverside Comment
  UC821249  Polypogon monspeliensis P. A. Munz 1922-6-23 5774 Riverside San Jacinto Mts. Hemet Valley; , Hemet Valley 1371 Comment
  UCR202603  Polypogon monspeliensis Scott D. White, Justin M. Wood 2008-7-9 12412 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  IRVC162  Polystichum imbricans subsp. curtum Lorene Lewton 1965-4-24 HS 552 Riverside Highway 74; 1 mile WSW of Mountain Center. Peninsular Ranges, San Jacinto Mountains Comment
  UCR101594  Populus fremontii Bern Schwenn 1998-4-11 s.n. Riverside San Bernardino Mountains, Mission Creek, along Pacific Crest Trail and slope on E side of canyon. 823 Comment
  UCR270196  Populus nigra A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-3 42417 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, c. 0.3 km NW (161 deg. ) of water tank 473 Comment
  RSA715193  Porophyllum gracile A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32644 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279. 579 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
  RSA788878  Potamogeton diversifolius Gary D. Wallace 2003-7-8 4046 Riverside Hidden Lake. Comment
  UC813982  Potamogeton diversifolius P. A. Munz 1922-9-6 6380 Riverside Hidden Lake; San Jacinto Mountains 2438 Comment
  SEINET9291376  Potentilla glandulosa Unknown 1976-5-3 Riverside Red Mountain Road. Comment
  UC537210  Potentilla wheeleri M. E. Jones Sep 1933 Riverside San Jacinto Mountains Comment
  POM361982  Prenanthella exigua M. B. Dunkle 1935-4-17 4560 Riverside W. of Wiley Well. Colorado Desert. Comment
  UCR60766  Prenanthella exigua Steve Boyd, O. Mistretta 1986-3-13 1455 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  SEINET3365546  Proboscidea althaeifolia G. Rink 2011-10-6 11077 Riverside East of the McCoy Mountains, northwest of Blythe 150 Comment
  UCR44442  Prosopis glandulosa A. C. Sanders, B. Pitzer 1986-4-30 6494 Riverside San Jacinto Valley, Gilman Springs Road, 0.3 mi. SE of Jackrabbit Trail. 457 Comment
  RSA0020545  Prosopis glandulosa var. glandulosa Irene Reid 1934-4-14 18660 Riverside La Quinta, Colorado Desert. [County not provided, but probably Riverside] Comment
  SEINET10903626  Prosopis glandulosa var. glandulosa David B. Dunn 1947-9-21 Dunn 3511 Riverside Pushawalla Canyon. Seedlings sprouted from Coyote scat dropped in wet sand near the stream from the springs. Comment
  SEINET10489765  Prosopis glandulosa var. torreyana Billy Joe Cox 1975-6-26 Cox 4200 Riverside Palo Verde, 1-3 km W, (ca 32 mi S of Blythe); creosote desert scrub. 70 Comment
  SD260298  Prunus dulcis A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-3 42420 Riverside Peninsular Range: UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, c. 0.3 km NW (161a^z) of water tank. 473 Comment
  CAS-BOT-BC158289  Prunus fasciculata var. fasciculata N. Dunn; A. M. Martin 1932-3-26 s.n. Riverside Cottonwood Spring Comment
  CAS-BOT-BC356347  Psathyrotes ramosissima H. M. Hall 1905-4-1 5864 Riverside Nr. Chuckawalla [Chuckwalla] Comment
  CLARK-A1656-693  Psathyrotes ramosissima Lois Ann Scott 1978-3-15 Riverside Mecca 243 Comment
  UC1518844  Pseudognaphalium luteoalbum Robert F. Thorne, Kay L. Wright and Richard K. Benjamin 1982-10-8 55375 Riverside near Whitewater Post Office (between old and new highway bridges and along Whitewater River); San Bernardino Mts., Mouth of Whitewater Canyon, Whitewater 411 Comment
  RSA220975  Pseudotsuga macrocarpa E. W. Lathrop 1966-3-23 6111 Riverside 4 miles west of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. 1220 Comment
  RSA785189  Psilocarphus brevissimus D. E. Bramlet 1993-5-5 2340 Riverside along a NE-SW access road between Olsen and Dawson Canyons, leading to the Black Rocks region; 426 m east of the El Sobrante landfill and 518 m north of Dawson Canyon 427 Comment
  CAS-BOT-BC361789  Psilocarphus brevissimus var. brevissimus John Thomas Howell 1930-5-10 4775 Riverside March Field Comment
  SEINET2063865 Image available Psorothamnus arborescens Richard G. Sullivan 1972-4-20 7204205 Riverside Whitewater River, 1.5 miles N of Interstate 10. 637 Comment
  RSA705962  Psorothamnus arborescens var. simplicifolius Michael Wall, Stephanie Wall 2005-7-29 399 Riverside Valle Vista, San Jacinto River, north side of Hwy 74 across from Schultz Drive ca. 1.5 miles east of Fairview Avenue. 548 Comment
  SD116581  Psorothamnus arborescens var. simplicifolius Barbara Ertter, Jeffrey Strachan 1980-5-20 3568 Riverside West side Whitewater Hill, east side of Whitewater Wash, northwest end of Coachella Valley, north of I-10. 456 Comment
  UC73148 Image available Psorothamnus arborescens var. simplicifolius M. T. Gilman 1904-1 51 Riverside West part of Colorado Desert; ; Colorado Desert Comment
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Jun 23 2011
  CAS-BOT-BC353614  Psorothamnus emoryi Annie M. Alexander; Louise Kellogg 1941-5-20 2204 Riverside Eagle Mountain Pumping Station Road, Eagle Mountains, Colorado Desert 792 Comment
  HSC14686  Psorothamnus emoryi L. S. Rose 1959-1-9 59005 Riverside Palm Desert 30 Comment
  HSC66747  Psorothamnus emoryi D. Goforth, D. Reed 1980-3-25 354 Riverside Hwy. 195, 6 mi. E of Mecca, Box Canyon, Mecca Hills. 122 Comment
  JOTR31716  Psorothamnus emoryi La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 1525 Riverside Joshua Tree National Park. Eagle Mountains; (Stop 1) sparsely vegetated desert pavements below sand ramps 335 Comment
  POM276882  Psorothamnus emoryi Lyman D. Benson 1933-3-31 4189 Riverside Salton Sea-Imperial Co. line. 61 Comment
  RSA293531  Psorothamnus emoryi C. W. Tilforth 1979-8-8 1907 Riverside S edge of Palm Desert along Highway 74, SE of Palm Springs, Riverside Co. 76 Comment
  SBBG32414  Psorothamnus emoryi L. S. Rose 1959-1-9 Riverside Palm Desert 30 Comment
  SEINET4560279  Psorothamnus emoryi Duncan S. Bell 2009-1 211 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  RSA91375  Psorothamnus emoryi F. W. Peirson 1939-11-25 s.n. Riverside Foot of mountain near Painted Canyon. Comment
  CAS-BOT-BC340902  Psorothamnus schottii Javier Penalosa 1963-4-10 2783 Riverside Deep Canyon, 3 mi. south of Palm Desert 213 Comment
  JOTR16703  Psorothamnus schottii Vanderspek & Nolte 1964-4-17 s.n. Riverside Joshua Tree National Park. BERDOO CANYON Comment
  JOTR32490  Psorothamnus schottii Herskovits, Tasya 2011-5-25 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains; Large sandy, open wash flowing southeast to Cottonwood Canyon; Near convergence of both drainage systems and Pinto Basin road (Stop 2) Comment
  RSA303510  Psorothamnus schottii James R. Shevock 1971-5-8 1029 Riverside S Cottonwood Springs, Joshua Tree Natl Monument. 549 Comment
  SD73621  Psorothamnus schottii Helen V. Witham 1970-4-29 838 Riverside On Hyw. 74, 29.2 miles east of L. Hemet 600 Comment
  SDSU5216  Psorothamnus schottii D. F. Howe 1952-4-27 2190 Riverside 5 miles south of highway east of Mecca, along All-American Canal. Comment
  CAS-BOT-BC340951  Psorothamnus spinosus Dr. E. Rixford 1917-4-17 s.n. Riverside Coachella Valley Comment
  POM22365  Psorothamnus spinosus Marjorie D. Clary 1929-10 s.n. Riverside Coachella Valley Comment
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Jul 24 2010
  SD37842  Psorothamnus spinosus Jack Rempel 1931-4-11 Riverside Colorado Desert Comment
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Jul 11 2010
  UC1129843  Psorothamnus spinosus H. S. Yates 1936-4-7 5432 Riverside Thousand Palms Thermal Quad., Thousand Palms Comment
  UCR86207  Psorothamnus spinosus A. C. Sanders 1995-5-23 17119 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fans below the Santa Rosa Mountains, near the mouth of Martinez Canyon, at end of 72nd Avenue 25 Comment
  SD153019  Pteridium aquilinum var. pubescens Steve Boyd, Tim Ross and Dave Bramlet 1993-5-12 7313 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
  RSA245520  Pterostegia drymarioides Larry E. DeBuhr 1973-3-29 941 Riverside About 3 miles north of I-10 along Hwy 62. Comment
  UCR116924  Pterostegia drymarioides A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24221 Riverside Perris-Aguanga Basin region, Hemet, SE of intersection of State Street and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi. SSW of Hemet Butte 513 Comment
  UCR85245  Pterostegia drymarioides A. C. Sanders, P. J. MacKay, M. Jacobsmyer, C. L. Sanders 1995-3-5 15991 Riverside Sonoran (Colorado) Desert, Orocopia Mtns, Maniobra Valley, 1.6-3 mi. south of frontage road (old Hwy 60) along Interstate 10, S to edge of BLM wilderness 610 Comment
  UCR109458  Pulicaria paludosa A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke 1996-11-23 19661 Riverside San Bernardino Mtns., Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, east of VAMB Captain 534 Comment
  UCR155948  Quercus agrifolia T. B. Salvato, Kent Beaman 2005-5-16 820 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
  RSA709080  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner 2005-8-12 31548 Riverside east of Vandeventer Flat along Hwy 74, 0.8 mile west of Santa Rosa Mtn. Rd. 1311 Comment
  RSA180379  Quercus berberidifolia E. W. Lathrop 1965-4-4 5643 Riverside 8 miles west of Murrieta-Tenaja Range. Comment
  RSA717583  Quercus berberidifolia A. C. Sanders 2004-4-9 27456 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks. 488 Comment
  SD244164  Quercus berberidifolia A. C. Sanders, Timothy W. Chumley 2013-4-5 40776 Riverside Peninsular Range: Temescal Canyon, east of Glen Ivy near where Temescal Canyon Road passes under I-15 (Lake Mathews 7.5'Q) 317 Comment
  SDSU13623  Quercus berberidifolia W. Miller with C. Mosse 1972-7-19 Riverside Comment
  UCD170551  Quercus chrysolepis D. O. Burge 2017-5-20 2279 Riverside San Jacinto Mountains, Lake Fulmore area, University of California James Reserve. 1640 Comment
  UCD73480  Quercus chrysolepis A. C. Sanders; T. Tennant 1997-11-14 21606 Riverside San Bernardino Mtns.: Morongo Indian Reservation, Hathaway Canyon drainage. 976 Comment
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Mar 30 2014
  UCSB34696  Quercus chrysolepis Nixon, Kevin; Hendon, Emily 1980-5-23 Riverside 15.9 mi northwest of Idyllwild on Calif. Hwy 243; San Jacinto Mtns Comment
  JOTR31147  Quercus john-tuckeri La Doux, Tasha 2009-6-3 1857 Riverside Joshua Tree National Park. (Stop 2): Little San Bernardino Mountains, Covington Flats Area, Covington Spring 1396 Comment
  SEINET2066667 Image available Quercus john-tuckeri J. Hogan 1975-11-20 188 Riverside Live Oak Tank, Joshua Tree N.M. 1316 Comment
  SD44535  Quercus palmeri James E. Cole 1947-2-6 1001 Riverside Joshua Tree National Monument. Lower Covington Flat 1463 Comment
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Jul 27 2009
  UCR270569  Quercus palmeri John F. Emmel 2001-8-5 1748 Riverside San Jacinto Mtns., Pine Meadow area, SE end of Garner Valley, 1.0 road mile east of junction of Devils ladder Rd and Hwy 74 1448 Comment
  LA205367  Quercus wislizeni W. B. Welch; 1928-5-5 sn Riverside San Jacinto Mountains, Idyllwild and Lily Rock Comment
  SDSU6993  Quercus wislizeni H. Wedberg 1962-7-28 988 Riverside 6 miles from Mountain Center on the road to Hemet. 914 Comment
  UC2062974  Quercus wislizeni J. D. Olmsted 1962-5-2 3526 Riverside Along road from Santa Rosa Indian Reservation to old Village, etc., at first canyon crossing to SW side. Comment
  UCR26990  Quercus wislizeni E. W. Lathrop 1966-5-29 6385 Riverside Santa Ana Mtns, Cleveland National Forest, Main Divide Truck Trail between El Carriso and Santiago Peak 1223 Comment
  RSA40564  Quercus wislizeni var. frutescens J. C. Roos 1947-1-4 s.n. Riverside North side Box Springs Mts, above Reche Canyon 488 Comment
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Jul 8 2017
  UCSB1291  Quercus wislizeni var. frutescens Haller, John 1950-5-20 Riverside Montane Forest Comment
  CLARK-A1656-688  Rafinesquia neomexicana Lois Ann Scott 1979-3-2 Riverside Rancho Mirage 91 Comment
  POM13608  Rafinesquia neomexicana E. C. Jaeger 1921-4-1 1137 Riverside Mission Creek Wash, Colorado Desert Comment
  RSA0124373  Rafinesquia neomexicana Duncan S. Bell, LeRoy Gross 2016-3-31 9197 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 591 Comment
  RSA339664  Rafinesquia neomexicana R. F. Thorne, C. W. Tilforth 1980-5-28 54216 Riverside Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  UC566695  Rafinesquia neomexicana Margaret Stason 1927-3-12 Riverside Colorado Desert, Painted Canyon Comment
  POM13145  Ranunculus aquatilis var. capillaceus P. A. Munz, I. M. Johnston 1922-5-19 5431 Riverside Keen Camp, San Jacinto Mountains 1524 Comment
  CAS-BOT-BC378982  Ranunculus aquatilis var. diffusus E. W. Lathrop 1965-5-18 s.n. Riverside 8 mi west of Murrieta 488 Comment
  SD232318  Ranunculus sceleratus Scott D. White, Justin M. Wood 2008-7-9 12441 Riverside San Jacinto Mountains: K Flat, from large pond downstream to meadow. Pond, creek, and adjacent uplands. 1426 Comment
  CAS-BOT-BC59508  Rhamnus crocea A. C. Sanders; G. Waines 1997-3-12 19877 Riverside Lake Sinner area: lower Rawson Canyon, just NE of the lake along the road. 457 Comment
  CLARK-A1528-3907  Rhamnus crocea JOhn C. Roos 1952-2-29 5378 Riverside Reche Canyon 457 Comment
  UCR156289  Rhamnus crocea T. B. Salvato, Kent Beaman 2005-5-16 859 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  RSA526085  Rhamnus ilicifolia Steve Boyd, Tim S. Ross 1990-5-11 4658 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  SDSU10377  Rhamnus ilicifolia H. Wedberg 1962-4-20 901 Riverside 8.4 miles from Hwy 79 in Hemet, and 0.5 mile from Cranston Ranger Station on road to Idyllwild. 610 Comment
  UCSB4805  Rhododendron occidentale Kamb, Peter 1946-5-24 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  LA62888  Rhus aromatica Nesta Dunn; A. M. Martin 1932-3-27 sn Riverside Cottonwood Spring Comment
  UCR164570  Rhus aromatica S. J. Myers 2001-4-18 s.n. Riverside San Jacinto Mtns., Bautista Canyon near Tripp Flats Rd. 1183 Comment
  UCR265587  Rhus aromatica Angelique Herman, Keir Morse, Nick Regoli, Eric Lumba 2015-3-15 2015- 12 Riverside Santa Rosa/San Jacinto Mountains, Pinyon Flats Campground 1220 Comment
  JEPS66244  Rhus integrifolia M. F. Barnes March, 1920 Riverside Box Springs Mt., near Riverside; Box Springs Mt. Comment
  RSA192296  Rhus ovata E. W. Lathrop 1966-3-2 6044 Riverside 10 miles NW of Murrieta, 1 mile W of Los Alamos Ranch, Cleveland National Forest. Comment
  RSA386388  Rhus ovata M. V. Hood 1945-3-30 s.n. Riverside Aguanga. 762 Comment
  CAS-BOT-BC92416  Ribes aureum var. gracillimum L. A. Greata 1908-4-6 6894 Riverside Eden Hot Springs 10 miles north of San Jacinto. Comment
  RSA725949  Ribes aureum var. gracillimum Mitch Provance 2001-3-3 3520 Riverside San Bernardino Valley: Vicinity of Casa Blanca, NW corner of St. Lawrence St. and Victoria Avenue. 274 Comment
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Mar 5 2010
  CAS-BOT-BC108722  Ribes cereum H. M. Hall 1901-7-1 2353 Riverside San Jacinto Mountains. Tauquitz Valley. 2438 Comment
  POM50270  Ribes cereum H. M. Hall 1901-07 s.n. Riverside In open forests of Tahquitz Valley. 2439 Comment
  CAS-BOT-BC173142  Ribes indecorum Steve Boyd 1993-3-14 7725 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Northeastern corner of the wilderness, south of Elsinore Peak, in broad saddle on high ridge forming east side of Wildhorse Canyon 975 Comment
  RSA180295  Ribes indecorum E. W. Lathrop 1965-4-4 5647 Riverside 8 miles west of Murrieta Comment
  SD73602  Ribes indecorum Helen V. Witham 1970-4-29 819 Riverside Palms to Pines Highway 2.0 miles east of Lake Hemet. 1299 Comment
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Jan 25 2010
  RSA511348  Ribes malvaceum var. viridifolium B. Pitzer 1988-1 661 Riverside San Jacinto Mts, Hwy 74 below Mtn Center at a large turn out. 1220 Comment
  SEINET9754141 Image available Ribes nevadense Sharon J. McCormick 1976-5-16 Riverside James Reserve, Yellow Pine Forest Comment
  POM315  Romneya coulteri I. M. Johnston 1918-5-30 2012 Riverside Temescal Canyon 366 Comment
  RSA446204  Romneya coulteri Gale Sphon 1955-3-7 s.n. Riverside 3 miles east of Lake Elsinore. Comment
  UCR155937  Rorippa nasturtium-aquaticum John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  UCR248041  Rumex Kai T. Palenscar 2013-6-11 s.n. Riverside Peninsular Range, City of Lake Elsinore, 2 km southeast of the lake along channel 340 m north of Corydon Rd. on eastern bank 390 Comment
  UC56650  Rumex crispus Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  UCR166797  Rumex crispus R. E. Riefner Jr. 2004-9-9 04- 229 Riverside City of Lake Elsinore; Riverside Drive at Strickland Street 390 Comment
  UCR216251  Rumex pulcher Oleg Pryadko 2008-5-2 079 Riverside San Bernardino Valley Region, western Riverside near Pedley, Hidden Valley Wildlife Area, c. 1200 ft. south of Clay St. and General Road, 1000 ft. east of Van Buren Blvd., north bank of Santa Ana River 208 Comment
  UC850618  Rumex salicifolius var. salicifolius I. W. Clokey and E. G. Anderson 1936-8-21 6601 Riverside Fuller Creek 1500 Comment
  RSA715904  Sabal A. C. Sanders 1984-7-18 5107 Riverside Kansas at Pennsylvania, edge of Bordwell Park. 287 Comment
  UCR25038  Sagina saginoides A. C. Sanders 1980-8-21 1776 Riverside San Jacinto Mountains, Mt. San Jacinto Wilderness Area. east of Saddle Junction at the head of Tahquitz Creek, c. 2 mi NE of Idyllwild 2409 Comment
  SD186015  Sagittaria latifolia S. J. Myers 1996-5-17 Riverside Corona, River Road bridge over the Santa Ana River. 152 Comment
  CLARK-A1656-793  Salazaria mexicana Jon Mark Stewart 1982-5-15 Riverside San Jacinto Mountains 975 Comment
  RSA605176  Salazaria mexicana A. C. Sanders 1995-3-5 15988 Riverside Colorado Desert: Orocopia Mtns, Maniobra Valley, 1.6-3 mi. S of frontage road (old 60) along I-10, S to edge of BLM wilderness. 555 Comment
  UCR16808  Salazaria mexicana S. M. Chambers 1970-5-9 17 Riverside Santa Rosa Mtns., State Hwy 74, c. 4 mi. west of Palm Desert. 457 Comment
  SD229272  Salix exigua Dick Schwenkmeyer 2012-5-22 719 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  UCR87880  Salix exigua G. F. Pratt 1994-3-13 94- 5 Riverside Mojave Desert, Joshua Tree National Monument, N canyon off of Quail Mountain 1280 Comment
  UCR127541  Salix gooddingii A. C. Sanders, T. B. Salvato 2003-5-21 26785 Riverside Elsinore Valley, Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  UCR150023  Salix laevigata Scott D. White, Angelia Carey 2004-5-7 10348 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  UCR17442  Salix laevigata N. R. Zabriskie, W. W. Zabriskie 1971-4-24 391 Riverside Santa Rosa Mtns, Deep Canyon, N slope of mountains 1317 Comment
  UCR241398  Salix laevigata T. B. Salvato 2013-3-22 7392 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), on Los Alamos Rd at its crossing of Warm Springs Creek 402 Comment
  SD229280  Salix lasiolepis Dick Schwenkmeyer 2012-6-27 741 Riverside May Valley, approx. 5 miles southeast of Idyllwild town center, Mt. San Jacinto, Riverside County, CA. 1531 Comment
  UCR26492  Salix scouleriana A. C. Sanders 1980-7-22 1696 Riverside Peninsular Range; San Jacinto Mtns., Drainage of the north fork of the San Jacinto River, along Forest Service Road 4S02, 0.8 mi south of Dark Canyon Campground, c. 2 air mi north of Pine Cove. 1829 Comment
  RSA0112082  Salsola tragus Duncan S. Bell 2010-10-23 1982 Riverside Arica Mountains; northwest section of range; collecting in the vicinity of the California Aqueduct. 282 Comment
  RSA586840  Salsola tragus D. L. Banks, Peter Morrell 1995-5-4 307 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, N of the Wildhorse Trail, on metasedimentary hills N of Wildhorse Peak. 622 Comment
  RSA67069  Saltugilia splendens Verne Grant, Alva Grant 1951-7-21 16103 Riverside San Jacinto Mountains : trail from Idyllwild to Tahquitz Valley. 1707 Comment
  UC534838  Salvia apiana Victor Duran 1933-7-1 3491 Riverside near Santa Rosa; Santa Rosa Mts. 1828 Comment
  CLARK-A1528-3105  Salvia apiana var. compacta John C. Roos 1948-5-8 3824 Riverside Whitewater Comment
  JEPS62549  Salvia carduacea W. L. Jepson 1901-5-17 1252 Riverside San Jacinto 487 Comment
  HSC14338  Salvia columbariae R. A. Eagle 1964-3-28 29 Riverside 7 mi. this side of Palm Springs Comment
  IRVC2085  Salvia columbariae C. Duncan 1965-4-24 none Riverside Ortega Hwy., Elsinore side. Santa Ana Mountains Comment
  RSA401489B  Salvia columbariae N. C. Cooper 1947-4-5 2118 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA651682  Salvia columbariae Marion P. Harthill 1971-3-19 34 Riverside Palm Desert. Comment
  RSA774716  Salvia columbariae Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4520 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  RSA777786  Salvia columbariae Jim Andre 2011-2-9 15911 Riverside Mecca Hills; along Box Canyon Road at upper end of gorge, approx. 6 miles SSE of Jct. with I-10, approx. 12 miles west of Chiraco Summit 284 Comment
  UCR91454  Salvia columbariae Scott D. White 1995-3-30 2670 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
  UCSB5774  Salvia columbariae Koran, John 1958-4-25 Riverside 5 miles West of Hwy 111; on IdyllwiId-Banning Hwy (74) Comment
  UCR260581  Salvia columbariae var. columbariae A. C. Sanders, Nina Kidd, Jeff Crain 2015-3-31 41531 Riverside Peninsular Range; Eastern Foot of Santa Ana Mtns., Temescal Canyon, northwest of El Hermano Road junction along sandy wash of Temescal Creek 313 Comment
  UCR142875  Salvia eremostachya P. A. Munz 1937-5-30 15109 Riverside Peninsular Ranges; San Jacinto Mountains region, Dos Palmas Spring, north end of Santa Rosa Mountains 1098 Comment
  HSC14360  Salvia mellifera C. L. Hitchcock 1966-3-16 24181 Riverside 0.25 mi. W of Aguanga Comment
  UC1287000  Salvia mellifera C. L. Hitchcock 1966-3-16 24181 Riverside 0.25 mi w Aguanga Comment
  UCR108394  Salvia mellifera D. L. Banks, V. W. Steinmann 1997-3-13 1465 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  UCR174957  Salvia mellifera Jennifer H. Jones 2006-6-6 384 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; San Juan Loop Trail 'head 598 Comment
  UCR271516  Salvia mellifera T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8358 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  POM97987  Salvia mohavensis E. C. Jaeger 1926-3-4 s.n. Riverside Eagle Mountains. 1189 Comment
  RSA259205  Salvia pachyphylla P. A. Munz 1938-8-14 15346 Riverside Virgin Spring, Santa Rosa Peak. 2287 Comment
  SD232709  Salvia vaseyi A. C. Sanders, K. Rose 1995-4-27 16736 Riverside Coachella Valley: foot of the Little San Bernardino Mtns. Canyon E of Fan Hill just outside Joshua Tree nat. Park. 550 Comment
  UCR198162  Salvia vaseyi Michael Honer, L. Hulse 2004-4-3 1894 Riverside Colorado Desert, Little San Bernardino Mountains, nameless canyon c. 1 mi west of Pushawalla Canyon, leading up to MWD aqueduct 488 Comment
  CSUSB1000  Sambucus mexicana Robert M. Hasegawa 1976-4-14 Riverside Box Springs Mountains Box Springs Mountains. 1/8 mile past road's end, east Big Springs Road. 274 Comment
  UCR260518  Sambucus nigra subsp. caerulea T. B. Salvato 2014-5-28 8000 Riverside Perris-Aguanga Basin, Menifee, west side of Byers Rd between Wickerd Rd and Adjer St. 0.75 mi northwest of the intersection of Bundy Canyon Road and Murrieta Rd, and 4.1 mi southeast of Canyon Lake Comment
  CHSC114153  Sanicula bipinnatifida A. C. Sanders; T. B. Salvano 2011-4-1 38957 Riverside Peninsular Range:Lake Elsinore, off Baker St. NW of intersection with Bromley Ave., north of second house from intersection, 0.55 km NW of Hwy 74. 404 Comment
  LA88446  Sarcostemma cynanchoides subsp. hartwegii O. H. Kappler; 1945-6-15 874 Riverside Temescal Canyon, 5 mi. NW of Elsinore Comment
  JOTR32022  Sarcostemma hirtellum La Doux, Tasha, T. Herskovits, M. Harding 2011-4-21 2252 Riverside Joshua Tree National Park. Pinto Basin, south of Sand Hill; sandy ramps at base of Pinto Mountain (Stop 1) 504 Comment
  UCR89695  Sarcostemma hirtellum J. M. Stewart 1990-10-28 666 Riverside Sonoran/Colorado Desert, canyon on south side of Orocopia Mtns. Comment
  UCR35277  Saxifraga californica L. B. Ziegler 1974-4-2 523 Riverside San Jacinto Mountains, foothills of the San Jacinto Mountains, hillside slopes of lower Bautista Canyon 612 Comment
  UCR228907  Schinus polygamus A. C. Sanders 2011-4-7 39036 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
  RSA787599  Schismus barbatus Thomas Stoughton, Jacqueline McConnaughy, Andrew Monks, Malia Volke 2010-3-30 104 Riverside Coachella Valley Preserve, near mouth of Thousand Palms Canyon. Jct of Ramon Rd and Thousand Palms Canyon Rd. 91 Comment
  RSA794234  Schismus barbatus Jim Andre 2012-3-19 21397 Riverside Palen Mountains; along Palen Pass Road at Palen Pass. 383 Comment
  RSA585507  Schismus barbatus D. L. Banks, Steve Boyd 1995-5-9 368 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
  SBBG119447  Schoenoplectus acutus var. occidentalis A. C. Sanders 2004-5-12 27865 Riverside Walker Cyn at N foot of Alberhill Mtn, Temescal Crk 378 Comment
  POM184659  Schoenoplectus americanus L. C. Wheeler 1932-9-4 1336 Riverside Santa Ana River at Chino Creek. 183 Comment
  SDSU19224  Schoenoplectus americanus Kristen Hasenstab, Dave Bailey 2008-8-7 181 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-BC111456  Schoenoplectus californicus Ira L. Wiggins 1937-2-19 8572 Riverside Tule swamp 1/2 mile north of Palo Verde. Comment
  CLARK-A1528-16  Scirpus acutus C. M. Flanagan 1973-6-13 OO 712 Riverside Morongo Indian Reservation 1127 Comment
  RSA502196  Scirpus acutus var. occidentalis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3704 Riverside Vail Lake area, sandy wash draining into Wilson Creek at E end of lake Comment
  POM1416  Scirpus microcarpus L. T. Street, M. Durant 1918-5-12 s.n. Riverside San Jacinto River Canyon. Comment
  RSA487444  Scrophularia californica Jack Easton 1988-5-2 s.n. Riverside Anza area. 1189 Comment
  RSA516742  Scrophularia californica Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  UCR111578  Scrophularia californica subsp. floribunda Mitch Provance 1999-4-3 1752 Riverside City of Riverside, SW side of 'Royal Hill', 0.25 miles east of the corner of Victoria Ave. and Arlington Ave. 351 Comment
  UCR195119  Scutellaria bolanderi subsp. austromontana A. C. Sanders, Tim Thomas 2008-8-1 35969 Riverside Peninsular Range; San Jacinto Mtns., lower Coldwater Creek near Mountain Center, at stream crossing of trail SSE of Keenwild Fire Station 1402 Comment
  LA55078  Scutellaria mexicana Elizabeth McClintock; 1936-4-11 sn Riverside Palms to Pines Highway Comment
  SBBG47492  Scutellaria siphocampyloides N. C. Coopeer 1944-7-16 1540 Riverside Pine Cove 1524 Comment
  RSA0074747  Sedum spathulifolium Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5011 Riverside Strawberry Creek to the southwest of Strawberry Valley, about 2.4 air miles southwest of Idyllwild. 1534 Comment
  POM14971  Selaginella bigelovii Mary F. Spencer 1921-5-28 1697 Riverside San Jacinto 609 Comment
  UCR177514  Selaginella bigelovii A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32538 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 640 Comment
  SEINET7048182  Selaginella bigelovii Steven R. Hill 2001-5-3 33691 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
  POM12435  Selaginella eremophila Philip A. Munz, D. D. Keck 1922-4-9 4865 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 762 Comment
  CAS-BOT-BC62252  Selaginella watsonii P. A. Munz 1922-6-27 5869 Riverside Toro Peak, Santa Rosa Mts. 2529 Comment
  SD67907  Selaginella watsonii Reid Moran 1968-8-3 15356 Riverside 1 mile northwest of Toro Peak 2250 Comment
  HSC27319  Senecio californicus Richard Spjut 1973-5-3 3341 Riverside Colorado Desert, N face of Chuckawalla Mtns. 3-4 mi. S of Desert Center 305 Comment
  UCR123225  Senecio californicus D. E. Bramlet 1993-4-15 2329 Riverside Gavilan Hills, eastern Lake Mathews area, 2 km west of El Sobrante Rd. and 335 m north of Cajalco Road, 1.2 km west of the entrance gate and 152 m south of the access road 439 Comment
  POM98008  Senecio californicus E. C. Jaeger 1926-3-27 s.n. Riverside Bautista Valley 1220 Comment
  CAS-BOT-BC323991  Senecio flaccidus var. douglasii C. B. Wolf 1931-10-14 2461 Riverside Roadside at Cabezon, San Gorgonio Pass.. 518 Comment
  UCR89987  Senecio flaccidus var. douglasii Scott D. White, S. J. Myers 1995-10-21 3723 Riverside San Jacinto Valley, Eastern foothills of San Jacinto Valley,'Santa Rosa Hills', south of Hemet. Foothills just above orange grove. 610 Comment
  JOTR37489  Senecio flaccidus var. monoensis Hodges, Stephen R. 2016-5-1 618 Riverside Joshua Tree National Park. Cottonwood Mountains, south of the springs area Comment
  RSA614174  Senecio ganderi D. L. Banks 1997-2-17 1285 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Approximately 200 m east of Magee Truck Trail, along a crushed bruch track from a native Stipa grassland at the southern border of the reservation., Just north of the Riverside / San Diego County line border. 481 Comment
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Jun 4 2012
  RSA0025284  Senecio mohavensis J. Andre 2013-3-4 23874 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
  SBBG8769  Senecio mohavensis H. and M. Dearing 1942-3-12 4831 Riverside Palms to Pines Hwy 426 Comment
  SDSU17478  Senna artemisioides Jerry Jenkins 2001-3-30 2001 -002 Riverside Santa Margarita Ecological Reserve. Fields near station. UTM zone 6, 482100E, 3699010N. UTM transfered to GIS. Comment
  UC2031350  Senna covesii Duncan S. Bell with John Anderson, Kim Clark, and Ed Howland 2013-9-29 6036 Riverside Chuckawalla Mountains: on the S side of Corn Springs Wash, approx. 3 air miles W of Corn Springs, and about 0.5 air miles S of Aztec Well. Comment
  UCR38251  Senna covesii J. M. Stewart 1985-3-16 8503 Riverside Sonoran (Colorado) Desert, Santa Rosa Mtns., Martinez Canyon 259 Comment
  UCR257043  Sequoiadendron giganteum Rudolf Schmid, Mena Schmid 2009-5-1 2009- 5 Riverside San Jacinto Mountains, northeast of Hwy 243 c. 16 km northwest of Idyllwild, in the south unit of the San Bernardino National Forest, on southwest flank of Black Mountain, Black Mountain Trail, in flat open area on the sloping plateau or saddle just above the head of Hall Canyon 2093 Comment
  RSA653580  Sesuvium verrucosum A. C. Sanders, D. Bramlet, Mihai Costea, T. Salvato 1999-10-15 23186 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1 mile W of Jackrabbit Trail on Gilman Springs Rd., 0.4 mi. W of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Spr. 436 Comment
  CAS-BOT-BC243635  Setaria pumila Edward G. Wegenek 1970-8-24 952 Riverside Blythe area Comment
  SACT002095  Setaria verticillata Malcolm Nobs, Galen Smith 1948-9-3 Riverside 2 miles north of Indio. Comment
  UCR81547  Sherardia arvensis