Search Results — 2000 specimen records retrieved (1888 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UC64451  Abies concolor H. M. Hall 1901-7-1 2332 Riverside rocky ridges and peaks near Tauquitz; Southern California, San Jacinto Mountains 2438 Comment
  CAS-BOT-BC229367  Abronia villosa J. H. Thomas 1949-2-28 48 Riverside Between Banning and Palm Springs Comment
  CSUSB1086  Abronia villosa K. A. Lamb 1968-4-29 690429 8 Riverside East side of San Jacinto River Wash on Main Street, San Jacinto, near Soboba Hot Springs Golf Course. Comment
  SEINET785371  Abronia villosa Leo A. Galloway 1969-1 1084 Riverside 1.5 miles southeast of Cathedral City, State Highway 111. Comment
  UCD109832  Abronia villosa Scora 1966-4-1 3026 Riverside 400 meters before Hidden Spring Oasis on road from Thousand Palms. Comment
Read comments
Feb 23 2014
  UCR215643  Abronia villosa Bao Doan 2010-5-31 12 Riverside Western edge of Sonoran (Colorado) Desert, San Gorgonio Pass, Cabazon, Elm St. at San Gorgonio River wash crossing 473 Comment
  JEPS98074  Abronia villosa var. aurita D. Wilken with E. Painter 2000-11-4 15865 Riverside State Hwy. 74, 2.5 mi SE of Hurkey Creek San Jacinto Mountains, Garner Valley 1400 Comment
  RSA735606  Abronia villosa var. aurita LeRoy Gross, Duncan S. Bell 2008-9-16 3582 Riverside Garner Valley. West side of, and close to Highway 74. Around 1/4 mile north from Ramona trailhead parking area. 1365 Comment
  UCR248052  Abronia villosa var. aurita Duncan S. Bell 2012-3-8 3141 Riverside Mojave Desert, 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
  SD122918  Abutilon theophrasti Steve Boyd 1985-9-23 1189 Riverside Weed: garden weed at Boyd residence, Good Hope Valley area, west of Perris. 487 Comment
  UCR178532  Acacia greggii R. G. Swinney 1967-5-26 148 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 381 Comment
  RSA87018  Acacia greggii var. arizonica F. W. Peirson 1916-04 1996 Riverside Near Palm Springs. Comment
  CAS-BOT-BC30912  Acamptopappus sphaerocephalus P. A. Munz 1937-5-29 15151 Riverside Deep Canyon, Santa Rosa Mts. 1066 Comment
  UCR9834  Acamptopappus sphaerocephalus K. S. Gill 1965-4-17 s.n. Riverside San Bernardino Mtns./ Sonoran (Colorado) Desert, Whitewater Canyon, 4 miles north of Hwy 60 610 Comment
  RSA179521  Achnatherum coronatum E. W. Lathrop 1959-5-17 4561 Riverside 14 miles west of Murrieta, Redonda Mesa Comment
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Apr 28 2011
  POM365982  Achnatherum hymenoides N. C. Cooper 1945-3-24 1615 Riverside Cabazon. 457 Comment
  RSA0065641  Achnatherum hymenoides Cheryl Sevilla, Sarah J. De Groot 2015-3-17 35 Riverside Transverse Ranges; San Bernardino Mountains region: San Gorgornio Wilderness Area; in the Whitewater river drainage 0.38 air miles northwest of the Whitewater Preserve Ranger Station. 687 Comment
  SBBG57049  Achnatherum occidentale subsp. occidentale R. Hoffmann 1929-9-6 Riverside San Jacinto Mtns 2438 Comment
  CAS-BOT-BC384726  Achyronychia cooperi Roxana S. Ferris 1918-6-14 970 Riverside In desert at Palm Springs Comment
  CDA23994  Achyronychia cooperi G. D. Barbe, T. C. Fuller 1973-2-28 1062 Riverside Road to Wiley s Well at I-10, west of Blythe. 0 Comment
  RSA102379  Achyronychia cooperi S. B. Parish, W. F. Parish 1882-04 219 Riverside Colorado Desert at Agua Caliente. Comment
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Jul 12 2010
  UCR167389  Achyronychia cooperi 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
  UCR246722  Acleisanthes longiflora Duncan S. Bell, John Anderson, Kim Clark, Keir Morse 2012-11-10 4353 Riverside Sonoran (Colorado) Desert, Big Maria Mountains: southeast section of range, approximately 0.6 air miles northwest of Palo Verde Dam 97 Comment
  UCR265815  Acmispon americanus var. americanus Mitch Provance 2012-5-24 512- 05 A Riverside San Gorgonio Pass, Banning, near its border with Beaumont, Smith Creek Wash vicinity, E of Highland Springs Rd., both N and S of W Wilson St. 784 Comment
  UC1979646  Acmispon argophyllus Steve Boyd, D. L. Banks 1995-4-5 8418 Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain on the eastern edge of the Dripping Springs Alcove in tributary of Arroyo Seco, west of lower Dripping Springs Trail, just south of the Wilderness boundary. Comment
  SD227811  Acmispon brachycarpus Andrew C. Sanders, G. Helmkamp 1997-3-15 20001 Riverside Peninsular Range: Lake Skinner, SE foot of Bachelor Mtn., just N of the lake 500 Comment
  UCD104140  Acmispon glaber var. brevialatus A. C. Sanders; T. B. Salvato, Mitch Provance 2003-4-4 25846 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 365 Comment
  SD146271  Acmispon micranthus A. C. Sanders 1998-5-2 21754 Riverside Santa Rosa Plateau, Slaughterhouse Canyon, ca. 4 airmiles west of Murrieta on Clinton Keith Road, on roadside 487 Comment
  JOTR35199  Acmispon strigosus Andre, Jim, T. La Doux, R. B. Kelley 2011-5-4 21108 Riverside Joshua Tree National Park. Long Canyon, upper watershed on east ridge, 1.1 miles south of radio tower, approx. 6 mi. south of town center of Yucca Valley 1206 Comment
  SD146270  Acmispon strigosus A. C. Sanders 1998-3-17 21743 Riverside Shipley/Skinner Reserve Area, North Domenigoni Hills, south of Hemet; Winchester 7.5' quad. 342 Comment
  SD187404  Acmispon strigosus Scott D. White, Angelia Carey 2004-4-16 10174 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes 548 Comment
  RSA793266  Acourtia microcephala Aaron C. Sedgwick, April Garbat 2012-5-5 98 Riverside West of San Jacinto Forest Service land and south of Hwy. 74. Entry point is from an unmarked road just ~1000 ft. west of the ranger station. Continue through citrus groves to BLM land located in a canyon south of the groves. 610 Comment
  CAS-BOT-BC30915  Adenophyllum porophylloides R. S. Ferris; Rimo Bacigalupi 1958-3-19 13234 Riverside Gully ca. 0.5 mi. S of Styx siding near Midland, Rice to Blythe Road Comment
  UCR251946  Adenostoma fasciculatum Harun Bektas 2011-4-26 16 Riverside Riverside, Box Springs Mountain Park; 7 miles above Moreno Valley via Pigeon Pass Rd. 793 Comment
  RSA234084  Adenostoma fasciculatum var. fasciculatum Robert F. Thorne, E. W. Lathrop 1969-6-6 39326 Riverside Santa Rosa Plateau: Rancho California. 610 Comment
  RSA33594  Adenostoma fasciculatum var. fasciculatum N. C. Cooper 1944-6-4 1342 Riverside Elsinore Mountain; Lookout at top. 1067 Comment
  CLARK-A1528-3059  Adenostoma sparsifolium Mike Cline 1966-11-23 Riverside San Jacinto Mountains Comment
  CLARK-A1528-3539  Adiantum jordanii John C. Roos 1952-2-29 5363 Riverside Reche Canyon 457 Comment
  CAS-BOT-BC46154  Agoseris heterophylla F. W. Peirson 1922-5-20 3045 Riverside Hemet Valley, San Jacinto Mts. 1371 Comment
  SBBG87356  Agoseris retrorsa D. Charlton 1988-5-21 1917 Riverside Thomas Mtn Rd, W of Garner Valley and S of Lake Hemet on St Hwy 74 1676 Comment
  UC1951124  Agoseris retrorsa Scott D. White, Justin Wood 2009-5-22 12892 Riverside SAN JACINTO MOUNTAINS: Quinn Flat Meadow. USGS Idyllwild 7.5' Quad. Comment
  RSA384966  Agrostis exarata E. A. McGregor 1964-9-15 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  UCR195136  Agrostis exarata A. C. Sanders, Tim Thomas 2008-8-1 35968 Riverside Peninsular Range; San Jacinto Mtns., lower Coldwater Creek near Mountain Center, at stream crossing of trail SSE of Keenwild Fire Station 1402 Comment
  UCR265592  Agrostis scabra Jordan Zylstra 2014-7-6 14019 Riverside San Jacinto Mountains, Fobes Canyon 1524 Comment
  RSA0121063  Aliciella latifolia Duncan S. Bell, Thomas Stoughton 2016-3-16 8948 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central/southeastern section of range, approximately 2.5 air miles north of Gucci Spring. 511 Comment
  SBBG72628  Allenrolfea occidentalis M. N. Ackley -Mar-1927 421 Riverside Salton Sea -76 Comment
  POM98810  Allionia incarnata P. A. Munz 1926-1-31 9957 Riverside Dos Palmos [Palmas] Spring. Comment
  UCSB748  Allium burlewii Ralph, F. 1959-5-16 Riverside Top of Devil's slide Trail; San Jacinto Mtns. Wilderness area 2621 Comment
  SD127567  Allium fimbriatum var. munzii Steve Boyd 1986-4-22 1781 Riverside Grassy area on clayey soil over cobble, shallow north-facing draw, just west of third powerline tower, north of summit. 840 Comment
  UCR49251  Allium haematochiton Steve Boyd 1986-3-9 1378 Riverside Peninsular Range, Temescal Canyon: Alberhill Mtn., south slope of mtn., just east of claymine area 488 Comment
  SD215328  Allium marvinii Steve Boyd, Tim Ross et al 1990-4-3 4063 Riverside Vail Lake area, summit of 'Big' Oak Mountain at East end. 792 Comment
  UCR205446  Allium marvinii Jeff B. Galvin, Diane Menuz 2009-1 089 Riverside San Jacinto Mtns foothills, Northwest foothills of San Jacinto Mtns foothills. North of Soboba Rd, off Poppet Flats Truck trail 816 Comment
  UCR261555  Allium marvinii John F. Green 2015-4-30 s.n. Riverside San Bernardino Mtns. Foothills, powerline route in hills north of Banning and west of Banning Canyon, east of Moore St. 898 Comment
  RSA770511  Allium munzii S. Mashayekhi, Steve Boyd 2010-4-22 SM 049 Riverside Warm Spring Valley, Alberhill Creek, Baker St. 1.2 miles east of its junction with Pierce St. 397 Comment
  SJSU7104  Allium munzii N. D. Addy 1962-4-16 Riverside by Railroad Canyon Rd c. 4-5 mi E of Elsinore 396 Comment
  UCR202615  Allium parryi Scott D. White, Justin M. Wood 2008-6-17 12191 B Riverside San Jacinto Mountains, Morris Ranch Road, open area west of Goff Flat 1641 Comment
  SEINET12043914  Allium praecox I. W. Clokey, Anderson, E. G. 1935-1 6550 Riverside E of Hemet 640 Comment
  RSA740088  Alnus rhombifolia Justin M. Wood 2008-11-17 231 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  RSA90202  Alopecurus saccatus F. W. Peirson 1922-5-19 3021 Riverside 10 miles northeast of Murrieta. Comment
  RSA751510  Aloysia wrightii Jim Andre, Tasha La Doux 2008-9-16 10685 Riverside Joshua Tree National Park: along Bell Mtn. Rd., atop Bell Mtn. approx 0.3 mi. N of radio tower. 1359 Comment
  RSA653141  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
  CLARK-A1528-7784  Amaranthus albus John C. Roos 1965-7-27 Riverside Hemet Comment
  RSA736797  Amaranthus albus Scott D. White, Angelia Carey 2004-7-2 10567 Riverside Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UCR77685  Amaranthus albus Steve Boyd 1991-7-13 6415 Riverside Peninsular Range, Temescal Canyon, W base of Gavilan Hills, area of old glass factory between Temescal Wash & I-15, just south of Cajalco Road Comment
  RSA512128  Amaranthus blitoides Ed LaRue 1989-4-21 s.n. Riverside Moreno valley, University of California agricultural experimental farms, ca. 1/2 mi. S of Alessandro Blvd. at NE corner of Catus Ave. & Nason Street. Comment
  UCR111748  Amaranthus blitoides G. S. Nuessly 1980-10-19 s.n. Riverside Moreno Valley, U.C. Riverside, Moreno Field Station, east of Lasselle St. 457 Comment
  UCR163738  Amaranthus fimbriatus B. G. Pitzer 2000-11-4 4238 Riverside Sonoran (Colorado) Desert, north side of the Chuckwalla Mtns., Eagle Mountain Rd. 0.8 mi. south of Hwy I-10 at and around powerline road, c. 3.5 mi. WSW of Desert Center 402 Comment
  SEINET12764893  Amaranthus fimbriatus Louis C. Wheeler 1966-10-15 8985 Riverside San Jacinto Mountains, by Black Hill, by Pines to Palms Highway.; 0 975 Comment
  RSA709116  Amaranthus hybridus Scott D. White, Justin Wood 2005-10-4 11236 Riverside Cabazon: Smith Creek (a dry wash) at the foot of the San Jacinto Mtns., south of the I-10 Freeway and west of San Gorgonio River. 564 Comment
  UCR23421  Amaranthus hybridus John C. Roos 1965-10-13 s.n. Riverside Corona Comment
  CDA23709  Amaranthus palmeri T. C. Fuller 1962-10-3 9705 Riverside South side of 32nd Avenue, 0.6 mile east of Ludy Boulevard, road to Ripley, 3.9 miles north of Palo Verde, Palo Verde Valley. 0 Comment
  RSA319700  Amaranthus palmeri Patricia Wilder 1970-10-30 4820 Riverside Prado Flood Control Basin east of Prado Dam. East of Chino Hills, Santa Ana River Drainage Area 152 Comment
  RSA338589  Amaranthus palmeri A. C. Sanders 1985-8-24 5949 Riverside Near oasis in lower Coachella Valley. On E side of Hwy 195, ca 0.5 mi N of intersection with Hwy 86 and just N of Ave 77. -52 Comment
  POM90439  Amaranthus palmeri S. B. Parish 1916-6-8 s.n. Riverside near the foot of the Crest Road from San Bernardino. Comment
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Aug 27 2017
  RSA0093772  Amaranthus torreyi Duncan S. Bell 2015-9-30 8682 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  CDA9953  Ambrosia acanthicarpa R. D. Goeden, D. W. Ricker 1969-7-31 s.n. Riverside Peninsular Range; San Jacinto Mountains; Lake Hemet, along Highway 74 south of inlet. Comment
  UCR176766  Ambrosia acanthicarpa G. S. Nuessly 1980-11-11 s.n. Riverside Riverside: U.C. Riverside campus, near Health Center 351 Comment
  UCR230204  Ambrosia acanthicarpa A. C. Sanders 2011-4-6 38991 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
  RSA676121  Ambrosia dumosa Scott D. White 2001-4-3 8250 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA766671  Ambrosia dumosa Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-22 168 Riverside McCoy Wash. N of I-10. Rd going N from Black Rock Rd. S side of private land boundary. 244 Comment
  SD143584  Ambrosia dumosa R. D. Goeden, D. W. Ricker 1970-5-14 Riverside Coachella Valley, Palm Springs, southwest side of Highway 111, 1.3 miles southeast of Ovcerture Drive at foot of San Jacinto Mountains 274 Comment
  UCR148486  Ambrosia dumosa John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 23 and 24 (near 23), just north of Salt Creek crossing 23 Comment
  UCR216256  Ambrosia dumosa Mike Bell 2008-3-19 047 Riverside Sonoran (Colorado) Desert, Coachella Valley; 2 miles west of Desert Hot Springs, north of Pierson Blvd. and west of North Indian Canyon Dr. 396 Comment
  CAS-BOT-BC30798  Ambrosia ilicifolia Edmund C. Jaeger 1921-4-12 s.n. Riverside Aztec Wash. Chuckawalla Mts. Comment
  POM318866  Ambrosia psilostachya Patricia Wilder 1970-10-30 4835 Riverside Road on south side of Prado Flood Control Basin on east side of Prado Dam. About 1/2 mile east of dam tender's residence. Santa Ana River Drainage Area. East of Chino Hills. 152 Comment
  RSA764883  Ambrosia psilostachya Justin M. Wood 2010-9-8 2602 Riverside San Timoteo Canyon: Just SE of El Casco Substation along San Timoteo Creek. 640 Comment
  UC527313  Amelanchier utahensis C. B. Wolf 1931-5-11 Riverside near Pipe Creek (above Hemet Valley); San Jacinto Mts. 1676 Comment
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Mar 24 2011
  RSA737226  Ammannia coccinea Justin M. Wood 2008-9-22 146 Riverside SW Perris Basin; Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCD170781  Amorpha californica Tracy Tennant; Jeffrey Ross 1998-6-23 MOR-- 517 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat. 1113 Comment
  JEPS35490  Amorpha fruticosa W. L. Jepson May 17 1901-Jun 1 1901 1343 Riverside near VanDeventers (towards Palm Canyon) Comment
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Feb 24 2013
  UCSB19371  Amorpha fruticosa Haller, John 1950-5-20 Riverside Base of San Jacinto Mtns., Hemet-Idyllwild Road, opposite Cranston Ranger Station 609 Comment
  UCR25986  Amorpha fruticosa var. occidentalis John C. Roos 1947-5-10 3614 Riverside San Bernardino Valley/Perris-Aguanga Basin Region, 3 mi SE of Console Spring, north of Sunnymead Comment
  CAS-BOT-BC168085  Amsinckia intermedia A. C. Sanders; Guy Bruyea 2004-4-2 27406 Riverside San Jacinto Valley: Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  CSUSB1576  Amsinckia intermedia Rita Gibbons 1975-6-12 S. N. Riverside 3 miles north of Highway 60 on Heacock Ave., Sunnymead. Comment
  POM3931  Amsinckia intermedia I. M. Johnston 1918-5-30 876 Riverside Temecscal Canyon (near Lee Lake). 335 Comment
  RSA709852  Amsinckia intermedia Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4632 Riverside Along Palen Pass Road, near Packard Well, S end of Granite Mountains. 502 Comment
  UCR158315  Amsinckia intermedia A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30054 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UCR228425  Amsinckia intermedia Dave Silverman, Jeanette Duffels 2010-3-23 7821 Riverside Sonoran (Colorado) Desert, Dunes at SSE tip of Palen Dry Lake, one km SW of Palen Dunes drive, 4.2 km N of I-10, 7.4 km ESE of Sidewinder Well 130 Comment
  UCR113213  Amsinckia menziesii A. C. Sanders 1998-1-15 21644 Riverside Lake Skinner area, along old Rawson Rd. just north of Crown Valley, above Diamond Valley at waterline of proposed reservoir 518 Comment
  RSA0091251  Amsinckia tessellata Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11298 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
  SD28018  Amsinckia tessellata Carl B. Wolf 1932-4-27 3037 Riverside Colorado Desert, Mecca-Blythe Road, 3/4 mile west of Utopia 149 Comment
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Dec 11 2011
  RSA778113  Amsinckia tessellata var. tessellata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 928 Riverside East Mojave Desert region: McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 335 Comment
  JOTR01144  Amsonia tomentosa Cole, James E. 1941-5-14 703 Riverside Joshua Tree National Park. QUEEN VALLEY 1280 Comment
  UCR4122  Anagallis arvensis Ronald M. Cope 1965-4-13 s.n. Riverside City of Riverside, on corner of where Gage canal crosses Le Conte Drive 290 Comment
  RSA450911  Anagallis arvensis Stephen M. Beckstrom-Sternberg 1986-12-2 1115 Riverside UC Riverside, growing in bank next to glasshouse # 20. Comment
  CSUSB803  Anemopsis californica Art Whistler 1966-5-18 Riverside Road to reservoir on hills behind the University of California, Riverside (UCR) campus near the water tanks. Comment
  UCSB57881  Anemopsis californica Thorne, Robert 1973-5-23 Riverside Santa Rosa plateau-Mesa de Colorado; Grassy margin of small stream N of mesa 609 Comment
  JOTR31072  Anisocoma acaulis La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2335 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west of Ryan Mountain; Gravelly flats near Ryan Mountain campground (Stop 1) Comment
  JOTR32292  Antirrhinum coulterianum Harding, Mitzi, T. Herskovits 2011-5-12 14 Riverside Joshua Tree National Park. Little San Bernardino mountains; Southwest of Eureka Peak; Steep, gravelly slope above canyon 1398 Comment
  POM72414  Antirrhinum coulterianum Philip A. Munz 1925-5-20 9835 Riverside 2 miles W of Dripping Spring. 427 Comment
  RSA114636  Antirrhinum coulterianum Verne Grant 1955-5-17 9599 Riverside On crest of Santa Ana Mts near hwy 74. 811 Comment
  SEINET3158871  Antirrhinum coulterianum D. M. Jackson, R. W. Spellenberg 1972-5-19 193 Riverside 3.4 mi SW of Anza and Cary Rd. and California State Hwy 71 intersection on recently disturbed area Comment
  RSA0034830  Antirrhinum coulterianum J. C. Roos 1941-5-17 138 Riverside About 4 miles S.W. of March Field. Comment
  CAS-BOT-BC372462  Antirrhinum nuttallianum A. C. Sanders; T. B. Salvato; Matthew Malle; Jonas Winbolt; Katie A. Kurtz 2010-4-7 37797 Riverside Southeastern Gavilan Hills norht of Alberhill, west of dirt extension of Lake St., 1.0 mile NW (341 deg. ) of intersection of I-15 and Lake St., Alberhill 7.5' Q., Southeastern Range 526 Comment
  UCR230912  Antirrhinum nuttallianum T. B. Salvato, Richard Camacho 2011-6-12 5485 Riverside Peninsular Range, Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  UCR280933  Antirrhinum nuttallianum Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-6-8 617- 09 Riverside Temescal Valley, Indian Wash, SW of I-15, S side of De Palma Rd., about 0.2 mi WNW of inter. with Glen Eden Rd. 366 Comment
  VVC475  Antirrhinum nuttallianum A. C. Sanders 1997-5-4 20701 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek. 854 Comment
  POM29606  Antirrhinum nuttallianum subsp. nuttallianum Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA110417  Antirrhinum nuttallianum subsp. nuttallianum Verne Grant 1955-7-13 20964 Riverside On burned chaparral slopes; with Adenostoma, Arctostaphylos, Diplacus; on crest of Santa Ana Range, Ortega summit 1067 Comment
  RSA271887  Antirrhinum nuttallianum subsp. nuttallianum C. W. Tilforth 1978-4-30 1584 Riverside Low rounded hills east of Norco. Comment
  UCD127217  Apiastrum angustifolium Rimo Bacigalupi; L. Heckard 1962-3-25 8402 Riverside Temescal Wash, near Archilla siding of the A.T. and S.F. Railway, just below and east of State Highway 71. (About 10 air miles northwest of Elsinore). 335 Comment
  UC22901  Apocynum androsaemifolium H. M. Hall 1901-6 Riverside ridges & peaks near Tahquitz San Jacinto Mts. 2286 Comment
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Aug 3 2008
  RSA736239  Apocynum cannabinum Scott D. White, Jonathan Campbell 2008-4-18 11899 Riverside Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan Property, Alberhill area. 274 Comment
  UC853788  Aquilegia formosa C. Epling and Wm. Robison 1935-6-30 Riverside between Pine Flat Camp and Fuller's Mill Mt. San Jacinto Comment
  UCR172003  Arabidopsis thaliana A. C. Sanders 2006-5-1 32248 Riverside Riverside, south side of UCR campus behind botany greenhouses 366 Comment
  RSA66494  Arabis perennans F. W. Peirson 1933-4-15 10656 Riverside Steep South slope of Whitewater Canyon, head of Coachella Valley. 701 Comment
  SEINET3507464 Image available Arabis perennans C. F. Shutts 1949-3-19 F 53 Riverside White Tanks, Pinto Mtns. Joshua Calif. Tree Natl. Mon. Comment
  UC1007235  Arabis pulchra P. A. Munz 1940-3-24 15709 Riverside 2 mi n Cottonwood Springs; Eagle Mts. 914 Comment
  UCR174539  Arabis sparsiflora Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 357 Riverside Peninsular Ranges; San Jacinto Mtns., Calif. Hwy 243 at turnout next to Soboba Penny Pines Plantation (c. 0.25 mi. above Bay Tree Spring) 1601 Comment
  UCR201670  Arabis sparsiflora Scott D. White, Justin M. Wood 2008-6-19 12276 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  SEINET3239901  Arceuthobium californicum R. L. Mathiasen 2009-1 2009 -70 Riverside 11.2 km N of Idylwild on St. Rte. 243. 1870 Comment
  CAS-BOT-BC410045  Arceuthobium campylopodum Mary F. Spencer 1919-6-25 s.n. Riverside San Jacinto Mountains 1676 Comment
  RSA629388  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19508 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629399  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19528 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629406  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19500 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629442  Arctostaphylos glandulosa Jon E. Keeley 1992-7-16 16581 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA629463  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16812 Riverside Rd. to Thomas Mtn. (5S15), 9.5 km north of Toolbox Spring. 1640 Comment
  UCR273497  Arctostaphylos glandulosa A. C. Sanders, Glen Morrison 2016-8-4 42603 Riverside Peninsular Range; Santa Ana Mountains, South Main Divide Road, near Elsinore Peak, 0.35 km by road south of road junction to Elsinore Peak towers 998 Comment
  RSA748239  Arctostaphylos glandulosa subsp. adamsii T. Scott, A. Townesmith, K. M. Meyer 2007-3-15 129 Riverside San Bernardino Nation Forest. 9.4 miles S on 243 (Palms to Pines National Scenic Byway) from US 10. Along side of road at pull-off before Diamond Zen Rd. 1298 Comment
  SEINET10684104  Arctostaphylos glandulosa subsp. glaucomollis Tracy Scott, Andrew Townesmith; Karen M. Meyer 2007-3-15 Scott 130 Riverside San Bernardino National Forest. 9.4 mi. S on 243 (Palms to Pines National Scenic Byway) from US 10. 1298 Comment
  RSA629386  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-4-17 15089 Riverside End of Woodchuch Rd., Woodchuck Resort. 2 km south of Hwy 79 (Vail Lake Quadrangle) Comment
  RSA629408  Arctostaphylos glandulosa subsp. leucophylla Allen Massihi, Jon E. Keeley, Robert Goar 1992-8-11 19497 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd. Below large boulders, southern Santa Ana Mtns. 850 Comment
  RSA629416  Arctostaphylos glandulosa subsp. leucophylla Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19496 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd. Below large boulders, southern Santa Ana Mtns. 850 Comment
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Jun 8 2012
  RSA629418  Arctostaphylos glandulosa subsp. leucophylla Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19499 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd. Below large boulders, southern Santa Ana Mtns. 850 Comment
  RSA629455  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16803 Riverside Road to Thomas Mountain (5S15), 6.3 km north of Toolbox Spring. 1770 Comment
  RSA631721  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19303 Riverside Highway 79, 6 km west of Aguanga. 650 Comment
  RSA631747  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19288 Riverside Highway 79, at Radec. 580 Comment
  RSA632654  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16540 Riverside Red Mtn. Rd., 6-6.8 km east of R3. Comment
  RSA633571  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21776 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 Comment
  RSA633700  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16670 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA633710  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21761 Riverside Dirt road to Santa Rosa Mountain, 8.6 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1940 Comment
  RSA633767  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16633 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  RSA635595  Arctostaphylos peninsularis Jon E. Keeley 1992-7-17 16741 Riverside Morris Ranch Rd. (6S06), 6.3 km east of Hwy 74, western base of Pyramid Pk., San Jacinto Mountains. 1680 Comment
  CAS-BOT-BC44333  Arctostaphylos pringlei subsp. drupacea H. M. Hall 1901-6-1 2092 Riverside San Jacinto Mts. 1524 Comment
  RSA635635  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-17 16738 Riverside Morris Ranch Rd. (6S06), 4.2 km east of Hwy 74, Garner Valley, San Jacinto Mtns. 1650 Comment
  CAS-BOT-BC46339  Arctostaphylos pungens Peter H. Raven 1958-5-18 12981 Riverside 3.0 mi. e. of junction to Aguanga, San Jacinto Mts. Comment
  RSA635802  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16521 Riverside Red Mountain Road, 1.8 km east of R3. 850 Comment
  RSA635812  Arctostaphylos pungens Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20101 Riverside Highway 371, 1 km east of Anza. 1220 Comment
  UC219250  Arctostaphylos pungens Munz and Johnston 1922-5-20 5491 Riverside head Hemet Valley; San Jacinto Mts. 1524 Comment
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Mar 13 2011
  UCR100217  Arctostaphylos pungens Scott D. White 1992-12-16 987 Riverside Vail Lake area, c. 9 air mi east of Aguanga (junction of Hwys 371 & 79) & 3 air mi north of Beauty Mtn Peak. 1372 Comment
  RSA636033  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19541 Riverside Carancho Rd., W. of Temecula. 440 Comment
  RSA667364  Arctostaphylos rainbowensis A. C. Sanders, Kent Beaman 2002-5-10 25056 Riverside Santa Ana Mtns., Santa Rosa Plateau: hills west of the head of De Luz Creek, 0.4 mi south of Tenaja Rd. on west side of Calle Roble near Avenida Matorral. 671 Comment
  CLARK-A1528-3405  Argemone munita John C. Roos, Lucille Roos 1952-5-19 5693 Riverside 518 Comment
  RSA434324  Argemone munita subsp. rotundata N. C. Cooper 1944-5-6 1181 Riverside Banning. 610 Comment
  CAS-BOT-BC207119  Argythamnia lanceolata Marcus E. Jones 1929-9-16 24871 Riverside East of Desert Center Comment
  CAS-BOT-BC207121  Argythamnia lanceolata Christopher Davidson 1979-4-4 7736 Riverside Orocopia Mts. E of Box Canyon on Box Canyon Rd., 15.1 mi. E of Mecca 579 Comment
  CAS-BOT-BC207132  Argythamnia lanceolata Noel H. Holmgren; Patricia K. Holmgren; Ruth E. Kern 1973-3-21 6425 Riverside Big Maria Mountains, 12 airline miles north of downtown Blythe 289 Comment
  SEINET229449  Aristida adscensionis L. M. Shultz, JS Shultz 1985-4-18 8332 Riverside Chuckawalla Mountains 1 mi west of Astec Well and 11.7 mi south of I-15 616 Comment
  UCR52011  Aristida adscensionis Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2130 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  POM8548  Aristida adscensionis var. modesta P. A. Munz 1920-4-3 3566 Riverside Ford's Well west of Blythe. 305 Comment
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Sep 8 2011
  CLARK-A1528-4475  Aristida parishii John C. Roos 1940-2-17 891 Riverside Reche Canyon 457 Comment
  CLARK-A1528-4487  Aristida purpurea John C. Roos 1942-5-1 1153 Riverside Joshua Tree National Monument 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
  RSA781967  Aristida purpurea var. fendleriana Stephanie Rockwood, Christi Gabriel 2011-11-1 193 Riverside Pallen Dunes Road, Ford Dry Lake area. I10 exit 217. Chuckwalla Valley. 107 Comment
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Sep 10 2016
  UCR201498  Aristida purpurea var. fendleriana Scott D. White, Justin M. Wood 2008-6-17 12189 Riverside San Jacinto Mountains, Morris Ranch Road, open area west of Goff Flat 1641 Comment
  RSA97133  Aristida purpurea var. nealleyi H. K. Buechner 1955-6-1 C- 102 Riverside 4.5 miles south of Palm Desert, Coachella Valley 854 Comment
  SEINET7596158 Image available Aristida purpurea var. parishii I. Johnston 1917-1 1008 Riverside Palm Canon 427 Comment
  UCD56874  Aristida ternipes var. gentilis H. S. Yates 1937-6-27 6709 Riverside lower San Jacinto River Canyon. 640 Comment
  UC573616  Aristida ternipes var. hamulosa H. S. Yates 1937-6-27 6709 Riverside Lower San Jacinto River Canyon San Jacinto Quadrangle 640 Comment
  UCR103738  Artemisia californica A. C. Sanders, T. Tennant, A. Montalvo & B. Wagner 1997-11-20 21617 Riverside Lake Skinner Reserve area, Crown Valley, east of Rawson Road 671 Comment
  RSA417287  Artemisia douglasiana E. A. McGregor 1964-9-15 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  POM12973  Arthrocnemum subterminale I. M. Johnston 1922-5-19 s.n. Riverside Perris 457 Comment
  UCR99728  Asclepias albicans B. G. Pitzer 1996-11-9 2924 Riverside Sonoran (Colorado) Desert, Orocopia Mtns: Bob's Cabin, c. 4 road mi. north of Salt Creek Road (on SR211) & 4.5 air mi. south of the W end of Hayfield Lake. 610 Comment
  RSA401650B  Asclepias californica Gale Sphon 1959-5-2 326 Riverside Horsetheif Canyon, Elsinore Mountains. Comment
  RSA401680E  Asclepias eriocarpa M. B. Dunkle 1933-7-20 3639 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  UCR4503  Asclepias erosa John Dean 1965-7-28 s.n. Riverside Sonoran (Colorado) Desert, 15 mi. west of Blythe on U.S. Hwy 60 274 Comment
  SEINET10580571  Asclepias erosa J. Francis Macbride, Francis E. Drouet 1941-10-14 Macbride 4473 Riverside Near Hopkins Well, about 15 mi W of Blythe 244 Comment
  SEINET11262199  Asclepias fascicularis Norman C. Cooper 1944-7-15 1569 Riverside Palms to Pines Hwy, San Jacinto Mtns.; 0 1372 Comment
  RSA717647  Asclepias subulata Scott D. White, Pam De Vries 2006-3-14 11245 Riverside North of the I-10 Freeway a few mi east of Indio, at proposed I-10 / McNaughton Parkway interchange. 91 Comment
  UCR34105  Asparagus officinalis Lance F. Howard 1984-5-28 37 Riverside San Bernardino Valley Region, Riverside, Fairmount Park, 40 m from Dexter Street, west of Lake Evans, 5 m from the maintenance road 239 Comment
  RSA160569  Aster subspicatus J. D. Olmsted 1959-9-23 1017 Riverside San Jacinto River crossing by Lakeview Rd. from US 395 NW of Lakeview Mts 427 Comment
  POM179154  Astragalus acutirostris A. M. Alexander, Louise Kellogg 1941-5-6 2126 Riverside 13 miles southwest of 29 Palms, Joshua Tree National Monument. 1372 Comment
  UC68632  Astragalus aridus H. M. Hall Apr, 1905 5937 Riverside McCoy Marsh , Mc Coy Marsh (Colorado Desert) 91 Comment
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Sep 5 2011
  RSA415430  Astragalus coccineus Martha Hilend 1928-1-31 s.n Riverside N.W. of Pinto Basin, Colorado desert. Above new El Dorado mine. Comment
  SBBG3180  Astragalus douglasii H. and M. Dearing 1937-11-28 852 Riverside Santa Rosa Mtns Comment
  RSA90230  Astragalus douglasii var. parishii F. W. Peirson 1922-5-20 3342 Riverside Hemet Valley, San Jacinto Mountains. 1371 Comment
  CAS-BOT-BC186899  Astragalus insularis var. harwoodii Edmund C. Jaeger 1939-3-31 s.n. Riverside Boulder Well, north east of Desert Center 274 Comment
  RSA338323  Astragalus insularis var. harwoodii L. M. Shultz, John S. Shultz 1985-4-15 8391 Riverside Chuckwalla Valley depression, between McCoy and Mule Mountains at Wiley's Well Road. 121 Comment
  RSA0037331  Astragalus insularis var. harwoodii John C. Roos 1958-3-15 s.n. Riverside Chuckwalla Mtns., 3 miles SE of Desert Center. Comment
  UCR166552  Astragalus lentiginosus var. borreganus Scott D. White, Jennifer H. Jones 2005-4-12 10870 Riverside Coachella Valley, Indio area, vacant land NE of the I-10 Freeway interchange at Jefferson 18 Comment
  JOTR34152  Astragalus lentiginosus var. coachellae Andre, Jim, G. L. Clifton and T. La Doux 2011-2-22 17466 Riverside OUTSIDE PARK BOUNDARY. Coachella Valley; just south of I-10 at Amtrak train station parking, just west of N. Indian Cyn Drive 185 Comment
  UCR95238  Astragalus pachypus var. jaegeri D. L. Banks, Dylan Hannon 1996-5-3 1000 Riverside NW Palomar Mtns, Agua Tibia Mtns; Foothills south of Hwy 79; east of the Dripping Spring Campground; c. 300 m east of the Dripping Springs Guard Station 488 Comment
  CAS-BOT-BC192753  Astragalus palmeri H. M. Hall 1901-6-1 2123 Riverside Eastern base, along the borders of the Colorado Desert Comment
  POM202254  Astragalus pomonensis Marcus E. Jones 1933-4-5 s.n Riverside Hemet. Comment
  POM26491  Astragalus pomonensis George B. Grant 1898-3-15 1609 Riverside Riverside. Comment
  RSA25610  Astragalus pomonensis C. B. Wolf 1941-6-29 10926 Riverside 2 4/10 mi. W of Dripping Springs Forest Service Camp on Rd. between Aguanga & Temecula. 457 Comment
  SD181525  Astragalus pomonensis Scott D. White 1999-5-2 7284 Riverside Perris Basin, Perris/Sun City area, just east of Goetz Road and south of Ethanac Road, ca. 1I(c)-2 miles west of I-215 freeway. Occasional in sandy soil. USGS Romoland 7.5' quad. 440 Comment
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Nov 26 2012
  UCR117404  Astragalus pomonensis A. C. Sanders, Carolyn Washburn 2001-5-10 24230 Riverside Perris-Aguanga Basin region, foot of North Domenigoni Hills at south end of Warren Rd., 3 mi. SE of Winchester 457 Comment
  POM13917  Astragalus sabulonum P. A. Munz 1922-4-8 4739 Riverside Mecca, Colorado desert. -30 Comment
  UC472700  Astragalus sabulonum M. F. Spencer 1922-3-24 Riverside Mecca , Mecca (Colorado Desert) -106 Comment
  UCR18987  Astragalus sabulonum John C. Roos 1949-3-19 4118 Riverside Western Colorado Desert, Sandy flats 2 or 3 miles east of Mecca Comment
  CLARK-A1528-2761  Astragalus tricarinatus John C. Roos 1948-5-8 3826 Riverside Whitewater Comment
  RSA614891  Astragalus tricarinatus George K. Helmkamp 1998-4-3 3087 Riverside Coachella Valley: Mission Creek, the Wildlands Conservancy Preserve. 1.1 mile NW of the ranch house besides a gauging station along the creek. 747 Comment
  UCR113203  Athysanus pusillus A. C. Sanders 1998-3-11 21688 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near old mine site above San Jacinto Valley, south of end of Warren Rd. 610 Comment
  CLARK-A1528-160  Atrichoseris platyphylla Charlotte Stocks 1963-5-5 Riverside 365 Comment
  UCR111990  Atrichoseris platyphylla A. C. Sanders, T. B. Salvato 2000-4-27 23371 Riverside Coachella Valley, east side of Coachella Canal near the foot of the Mecca Hills, vicinity of the east end of Ave 60 15 Comment
  CAS-BOT-BC167199  Atriplex argentea A. C. Sanders 2004-8-10 28771 Riverside Perris-Aguanga Region: 3 miles ENE of Perris, new nursery growing grounds W of Menifee Rd. (=Pozos Av.) & S of Nuevo Rd., between San Jacinto River and Nuevo 433 Comment
  RSA3322  Atriplex canescens C. B. Wolf 1931-10-14 s.n. Riverside Cabezon, San Gorgonio pass. Comment
  UC1929840  Atriplex canescens Scott D. White, Angelia Carey and Linda Archa 2004-8-5 10685 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation. Comment
  UCSB22917  Atriplex canescens Wheeler, Louis 1931-11-27 Riverside 2 mi. SE Salton bench mark -76 Comment
  POM202641  Atriplex canescens var. laciniata W. M. Ingram 1934-10 3 Riverside 2 miles west of Edom Highway 99. Colorado Desert. Below sea level. Comment
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Dec 11 2011
  RSA176474  Atriplex canescens var. laciniata C. B. Wolf 1932-10-13 4316 Riverside Caleb (Southern Pacific railway siding), 4.5 miles SE of Mecca, Colorado Desert 61 Comment
  OBI17358  Atriplex coronata var. notatior Robert F. Hoover 1968-1 Riverside Comment
  UCR120538  Atriplex davidsonii D. E. Bramlet 2000-5-12 3037 Riverside 381 m south of the Ramona Expressway and 107 m east of the San Jacinto Rivre levee & 656 m north of the MWD maintenance road 431 Comment
  UCR260959  Atriplex hymenelytra Duncan S. Bell 2013-1-30 4445 Riverside Sonoran (Colorado) Desert, the Mecca Hills, an unnamed canyon between Thermal Canyon and Painted Canyon, just to the west of Mecca Hills Peak 1642 138 Comment
  UCR42488  Atriplex hymenelytra P. J. Leary 1975-4-13 1059 Riverside Sonoran (Colorado) Desert, just SW of Pinto Well, Joshua Tree National Monument 366 Comment
  CAS-BOT-BC169297  Atriplex lentiformis S. B. Parish 1912-6-28 8118 Riverside Alkaline flats, Mecca Comment
  RSA0039846  Atriplex lentiformis Joseph Brehm 2014-7-21 s.n. Riverside Collected at Dos Palmas ACEC in Outer West Spring, near the fence into Quail Triangle. Comment
  CLARK-A1528-398  Atriplex lentiformis subsp. lentiformis Charlotte Stocks 1964-8-30 Riverside Coachella Valley Comment
  RSA450605  Atriplex polycarpa Theo Glenn 1984-10-2 s.n. Riverside Thousand Palms oasis, in the Indio Hills, Coachella Valley. 168 Comment
  RSA478374  Atriplex polycarpa Allen 1921-09 s.n. Riverside Palm Springs. Comment
  UCR196391  Atriplex polycarpa Naomi Fraga, Lisa Rojas 2005-2-10 1416 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 502 Comment
  RSA737228  Atriplex prostrata Justin M. Wood 2008-9-22 148 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  SBBG119922  Atriplex prostrata O. F. Clarke 1970-9-24 Riverside Santa Ana River bottom just E of the old Salt Lake Railroad bridge 216 Comment
  UCR35146  Atriplex rosea L. B. Ziegler 1967-8-29 209 Riverside San Jacinto Mtns, Hemet [Garner] Valley 1372 Comment
  UCR167833  Atriplex serenana T. B. Salvato, Melissa Clemons 2005-6-23 1305 Riverside Peninsular Range; Temescal Valley, Walker Canyon, 1.5 mi due east of Alberhill, N of Hwy I-15 412 Comment
  SEINET238672  Atriplex suberecta A. C. Sanders, Mitch Provance; T. B. Salvato 2000-4-18 23331 Riverside Coachella Valley: along Tyler St. south of I-10 E of Indio and N of Coachella. Comment
  UCR112482  Atriplex suberecta A. C. Sanders, Mitch Provance, T. B. Salvato 2000-4-18 23331 Riverside Coachella Valley, along Tyler St. south of I-10, east of Indio and north of Coachella -12 Comment
  RSA495453  Avena barbata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2981 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  RSA595274  Avena fatua D. L. Banks, Victor Steinmann 1996-4-20 895 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. 536 Comment
  RSA595736  Baccharis brachyphylla L. C. Wheeler 1966-10-15 8984 Riverside San Jacinto Mountains. By Black Hill, by Pines to Palms Highway. 976 Comment
  CLARK-A1528-5449  Baccharis emoryi John C. Roos 1948-11-6 4077 Riverside Box Springs Mountains 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
  SD247573  Baccharis salicifolia subsp. salicifolia Sarah J. De Groot, Cheryl Sevilla, Rico Ramirez 2014-8-20 7239 Riverside North Fork Mission Creek, above preserve. Southeast San Bernardino Mountains, San Gorgonio Wilderness Area. 769 Comment
  UC1287079  Baccharis salicifolia subsp. salicifolia C. L. Hitchcock 1966-3-15 24159 Riverside 3 mi e Glen Ivy Hot Springs Comment
  UCR182504  Baccharis salicina Mitch Provance 2003-7-4 4635 B Riverside San Bernardino Valley, Riverside, Along Jackson St., between Audrey and Colorado Aves. 226 Comment
  UCR281881  Baccharis salicina Mitch Provance 2012-11-9 1112- 14 Riverside San Bernardino Valley, Santa Ana River Bottom, vicinity of Tequesquite Creek, area W of the N end of Rudidoux Ave. and Old Ranch Rd. 229 Comment
  UCR282051  Baccharis salicina Mitch Provance 2012-11-9 1112- 15 Riverside San Bernardino Valley, Santa Ana River Bottom, vicinity of Tequesquite Creek, area W of the N end of Rudidoux Ave. and Old Ranch Rd. 229 Comment
  UCR82899  Baccharis salicina A. C. Sanders, S. White & C. Sanders 1994-10-9 15819 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  SEINET899324  Baccharis sarothroides C. B. Wolf 1932-1 4298 Riverside Pinyon Wells, Little San Bernandino Mts. (Conchilla Mts.) 1219 Comment
  CAS-BOT-BC99871  Baccharis sergiloides John Thomas Howell 1928-1-30 3313 Riverside Cottonwood Spring, Colorado Desert Comment
  JOTR34414  Baccharis sergiloides La Doux, Tasha, M. Harding, B. Truesdell, D. Shade 2012-9-25 3098 Riverside Joshua Tree National Park. Cottonwood Mountains; Cottonwood Spring 914 Comment
  RSA0123170  Baccharis sergiloides Duncan S. Bell, Andrew Chambers 2016-12-21 10219 Riverside The Dos Palmas Preserve area, at the southern end of the Orocopia Mountains, and at the northeastern section of the Salton Sea. -41 Comment
  UCR136316  Baccharis sergiloides Virginia Moran 2003-9-1 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), east of Sage Road and south of Wilson Valley Road 675 Comment
  CLARK-A1528-1641  Bahia dissecta John C. Roos 1946-8-27 2923 Riverside Santa Rosa Mountains 2285 Comment
  POM14092  Bahiopsis parishii Philip A. Munz, D. D. Keck 1922-4-13 4954 Riverside Eagle Mtns. Colorado Desert. 244 Comment
  UCR172262  Baileya multiradiata John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, City of Temecula, Immediately N and south of Murrieta Hot Springs Road along San Diego Aqueduct right-of-way 396 Comment
  CAS-BOT-BC99964  Baileya pauciradiata Ira L. Wiggins 1941-3-27 9687 Riverside South end of Coxcomb Mountains 8 miles north of Desert Center Comment
  UC64810  Baileya pauciradiata E. E. Schellenger 1904-10-16 35 Riverside 2 mi s Palm Springs Comment
  UCR90166  Baileya pauciradiata R. W. Scora 1966-4-1 3012 Riverside Sonoran (Colorado) Desert, Coachella Valley, 3-4 km east of Thousand Palms on Ramon Road; near Hidden Spring Oasis 60 Comment
  RSA301938  Baileya pleniradiata J. R. Shevock 1971-5-8 1049 Riverside Near White Tank, Joshua Tree National Monument 1220 Comment
  POM230201  Bebbia juncea I. W. Clokey 1933-4-7 6966 Riverside Shaver's Well Comment
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Apr 24 2011
  RSA796030  Bebbia juncea Duncan S. Bell 2009-4-18 255 Riverside Arica Mountains: southeast side of range, approximately 1.7 air miles west of Priests Well. 463 Comment
  UCR109559  Bebbia juncea R. D. Goeden, Don W. Ricker 1980-3-20 s.n. Riverside Western Colorado Desert, Coachella Valley, Painted Canyon in the Mecca Hills 122 Comment
  UCR148308  Bebbia juncea John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  UCR21160  Bebbia juncea 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
  CAS-BOT-BC100140  Bebbia juncea var. aspera H. M. Hall 1901-6-1 2010 Riverside Canyon of the San Jacinto River 762 Comment
  JEPS20769  Bebbia juncea var. aspera Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13263 Riverside divide betw. Little Maria and Big Maria Mts., .5 mi s of Styx siding near Midland Comment
  SEINET6426071 Image available Bergia texana John C. Rood 1952-1 5730 Riverside San Jacinto River bottomland 1 mile southeast of Perris 427 Comment
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Aug 29 2016
  UCR35101  Bernardia myricifolia L. B. Ziegler 1967-9-28 254 Riverside San Jacinto Mountains, Pinyon Flats 1250 Comment
  UCR120536  Berula erecta D. E. Bramlet 2000-8-30 3066 Riverside Lake Skinner Regional Park. Tucalota Creek, just east of the equestrian bridge which crosses the creek. 1400-1500 ft north of the dirt service road (1487), and 2,600 - 2,700 ft. SE of the service road in Section 6 (1516) 470 Comment
  CAS-BOT-BC102100  Bidens laevis S. B. Parish 1913-2-28 8462 Riverside Salton Basin. In the stream from the rairoad wells at Mecca -57 Comment
  RSA627850  Bloomeria crocea A. C. Sanders 1994-5-30 14597 Riverside San Bernardino Mountains: NNE of Beaumont at Highland Springs. 950 Comment
  UCR100440  Bloomeria crocea B. G. Pitzer 1997-4-20 3199 Riverside Lakeview Mtns, Pulsar View Road, c. 1/2 mi. up from the base of the hills (at end of Warren St.) c. 1 mi. (air) north of Juniper Flats (Contour) Rd. 549 Comment
  UCR180110  Bloomeria crocea Mitch Provance 2003-4-26 9883 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
  RSA503136  Bloomeria crocea var. crocea J. D. Olmsted 1962-5-10 3616 Riverside L. Matthews Road ca. 1/2 mi. W of dam 427 Comment
  RSA769762  Boechera californica Duncan S. Bell, Valentin Arvizu 2010-5-10 984 Riverside San Bernardino National Forest: Garner Valley, approximately 1.4 air miles southeast of junction of forest service road 6S13 and forest service road 6S04. 1365 Comment
  JOTR33134  Boechera perennans Supernaugh, William 1967-2-26 s.n. Riverside Joshua Tree National Park. Northwest Hexie Mountains; 100 yards west of Stirrup Tank parking lot 1085 Comment
  UC56911  Boechera perennans H. M. Hall 1901-5-24 1897 Riverside e base San Jacinto Mts. (Vandeventer's, along borders of the Colorado Desert,); , Colorado Desert 1371 Comment
  CAS-BOT-BC25657  Boechera pulchra Annie M. Alexander; Louise Kellogg 1941-5-3 2105 Riverside San Bernardino and Riverside Counties. Joshua Tree National Monument. 13 miles southwest of 29 Palms. 1371 Comment
  UCR94923  Boerhavia coccinea Scott D. White 1996-9-22 4525 Riverside San Jacinto Mtns., South fork of San Jacinto River, Hwy 74, c. 1-3 road mi. east of U.S. Forest Service Cranston Fire Station. 762 Comment
  SEINET6049526  Boerhavia coulteri Unknown 17074 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  UCR89713  Boerhavia coulteri J. M. Stewart 1990-9-23 655 Riverside Sonoran (Colorado) Desert, Interstate Hwy 10, 1.5 mi. west of Wiley Well Road. Comment
  RSA0078226  Boerhavia coulteri var. palmeri Sarah J. De Groot, Amy Rouillard 2015-9-15 7564 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  CAS-BOT-BC434517  Boerhavia diffusa T. C. Fuller 1968-7-17 17388 Riverside 288 E. Main St., San Jacinto Comment
  CAS-BOT-BC434529  Boerhavia intermedia Edmund C. Jaeger 1931-10-25 s.n. Riverside 2 miles north of Lost Horse Mine, crossroads of Lost Horse-Stubby Springs road, Little San Bernardino Mountains Comment
  UCR163736  Boerhavia wrightii B. G. Pitzer 2000-11-4 4240 Riverside Sonoran (Colorado) Desert, north side of the Chuckwalla Mtns., Eagle Mountain Rd. 0.8 mi. south of Hwy I-10 at and around powerline road, c. 3.5 mi. WSW of Desert Center 402 Comment
  CLARK-A1528-4504  Bouteloua aristidoides John C. Roos 1965-9-5 Riverside Chuckwalla Valley Comment
  CLARK-A1528-4509  Bouteloua aristidoides John C. Roos 1946-9-14 3026 Riverside San Jacinto Mountains 1219 Comment
  RSA676040  Bouteloua aristidoides Scott D. White 2001-4-17 8339 Riverside SONORAN DESERT: Shaver's Valley. North of the I-10 Freeway, ca. 16 miles east of Indio jtn. I-10 / SR 111. Bajada, washes, and mtn. foothills near powerline access roads at unnamed freewayexit accessing pump station. 457 Comment
  SEINET3920214  Bouteloua aristidoides David Charlton 1988-2-18 1127 Riverside S side of Little San Bernardino Mtns. Fargo Canyon Road to Cottonwood Wash, S of Joshua Tree National Park, parallel to I-10. 1 mi. E of Jct Dillon Rd. and Fargo Cyn Rd.; 0 610 Comment
  RSA684333  Bouteloua barbata Scott D. White, Michael Honer 2003-4-18 9030 Riverside Shavers Valley. Just northeast of unnamed freeway exit at pumping station. 488 Comment
  UCR49219  Bowlesia incana Steve Boyd 1986-4-2 1597 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  CLARK-A1528-2786  Brandegea bigelovii John C. Roos 1967-11-18 Riverside Comment
  RSA676267  Brandegea bigelovii Scott D. White 2001-4-3 8236 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  SD44855  Brandegea bigelovii Darley F. Howe 1952-4-27 2188 Riverside Box Canyon, E of Mecca Comment
  UC1930077  Brandegea bigelovii Scott D. White 2001-4-3 8236 Riverside COLORADO DESERT: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jt. I-10/SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. Comment
  UCR108393  Brassica geniculata D. L. Banks, V. W. Steinmann 1997-3-13 1466 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
  UCR176768  Brassica geniculata G. S. Nuessly 1980-11-11 s.n. Riverside Riverside: U.C. Riverside campus, near Health Center 351 Comment
  UCR126982  Brassica nigra A. C. Sanders, T. B. Salvato 2003-5-9 26593 Riverside San Jacinto Valley, west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  RSA0028769  Brassica tournefortii T. J. Glenn 1988-1-7 s.n. Riverside Off Snow Creek Road, Palm Springs Comment
  RSA229521  Brickellia arguta Philip A. Munz 1937-5-29 15150 Riverside Deep Canyon, Santa Rosa Mountains. 1067 Comment
  JOTR01239  Brickellia arguta var. arguta Cole, James E. 1942-5-19 959 Riverside Joshua Tree National Park. RUBY LEE WASH 914 Comment
  UC1329827  Brickellia atractyloides James E. Cole 1941-5-23 776 Riverside Split Rock Area Joshua Tree National Monument 1280 Comment
  CAS-BOT-BC106335  Brickellia atractyloides var. arguta W. L. Jepson 1928-4-24 s.n. Riverside On the rocky walls of canyon below spring, Cottonwood Spring 2407 Comment
  JEPS23548  Brickellia atractyloides var. arguta Peter H. Raven 1958-5-18 12994 Riverside Along State Highway 74, 4.9 mi NE of Pinon Flats, San Jacinto Mountains. Comment
  JOTR34064  Brickellia atractyloides var. arguta La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2962 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon on edge of 2009 burn area, north of Lost Horse Mine trail Comment
  RSA301936  Brickellia desertorum J. R. Shevock 1972-11-14 2314 Riverside Coyote Canyon, Anza Borrego State Park 762 Comment
  RSA198993  Brodiaea filifolia Robert F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37432 Riverside Santa Rose Plateau: Mesa de Colorado, Rancho California. 671 Comment
  SBBG122752  Brodiaea filifolia A. Parikh 1990-5-17 174 Riverside W part of Mesa de Colorado, 0.3 km N of Avocado Mesa Rd, 0.1 km E of Via Volcano 632 Comment
  SEINET7063429  Brodiaea filifolia A. G. Vestal 1947-1 Riverside Comment
  SBBG122753  Brodiaea santarosae A. Parikh 1990-5-17 173 Riverside W part of Mesa de Colorado, 0.3 km N of Avocado Mesa Rd, 0.1 km E of Via Volcano 632 Comment
  RSA752784  Brodiaea terrestris subsp. kernensis Scott D. White, Justin M. Wood 2009-5-21 12848 Riverside McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  SD136967  Bromus arenarius Steve Boyd, Tim Ross et al. 1993-5-13 7367 Riverside Southen Santa Ana Mountains, San Mateo Canyon Wilderness Area. Los Alamos Canyon at mouth of Wildhorse Canyon. 410 Comment
  RSA85126  Bromus arizonicus J. C. Roos 1952-4-9 5473 Riverside east base of Mt. Rubidoux 274 Comment
  JOTR35509  Bromus diandrus La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3196 Riverside Joshua Tree National Park. Little San Bernardino Mtns, lower Smithwater Canyon (Biodiversity Hunt stop4) 1219 Comment
  RSA586336  Bromus diandrus D. L. Banks, Steve Boyd 1995-5-3 201 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UCR138916  Bromus diandrus Julie A. Greene 1993-4-3 1078 Riverside San Jacinto Valley, San Jacinto Wildlife Area. south of levee road, south of the permanent pond 441 Comment
  POM47175  Bromus diandrus Mary F. Spencer 1920-4-5 1546 Riverside Palm Springs, Colorado Desert. 122 Comment
  RSA495790  Bromus diandrus subsp. triangularis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-11 2897 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 390 Comment
  UCR101438  Bromus grandis A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22214 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Middle Branch of Millard Canyon 1341 Comment
  CAS-BOT-BC162384  Bromus lanatipes H. M. Hall 1901-6-1 2228 Riverside San Jacinto Mountains. South side. 1615 Comment
  HSC101173  Bromus madritensis subsp. rubens Jim Andre 2012-3-19 21395 Riverside Palen Mountains; along Palen Pass Rd. at Pallen Pass. 383 Comment
  UCD59525  Bromus rubens Nancy Ryan Zabriskie 1978-3-16 793 Riverside Colorado Desert and the Santa Rosa Mountains. Along AcC water pipe, Andreas Canyon, east slope San Jacinto Mtns. 548 Comment
  RSA716385  Bromus tectorum Scott D. White, Angelia Carey 2004-4-5 9995 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR115995  Bromus tectorum A. C. Sanders, Pam MacKay, E. J. Lawlor, C. L. Sanders 2000-3-19 23317 Riverside Shipley-Skinner Reserve area, Diamond Valley, off old Rawson Rd. north of Crown Valley, on future bed of Diamond Val. Reservoir, now filling 488 Comment
  JOTR31932  Caesalpinia virgata La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2171 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky wash draining into west Pinkham Wash Comment
  UCR275545  Caesalpinia virgata D. E. Bramlet 2010-3-1 4460 Riverside Sonoran (Colorado) Desert, West Berdoo Canyon, Little San Bernardino Mtns., c. 6 air miles north of Indio 366 Comment
  POM305822  Calandrinia ciliata Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1072 Riverside Corona-Elsinore. Comment
  RSA714378  Calandrinia ciliata John Green 2005-4-28 s.n. Riverside Peninsular Range; Southern Santa Ana Mtns.: Santa Rosa Plateau, hills on the south side of Teaja Rd., between Squaw Mtn. and De Luz Creek. 655 Comment
  UCR100047  Calandrinia ciliata Scott D. White 1993-3-3 1096 Riverside Perris Basin, Romoland/Winchester area 442 Comment
  UCR251714  Calandrinia ciliata T. B. Salvato 2014-4-9 7844 Riverside Perris-Aguanga Basin, Menifee, c. 4 mi southeast of Canyon Lake, northeast corner of Bundy Canyon Road and Sunset Avenue 534 Comment
  UCR280980  California macrophylla Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-11 417- 80 Riverside Elsinore Trough, West side of Baker St., slopes just S to SE of intersection with road to the water tank. 421 Comment
  POM13201  Callitriche marginata P. A. Munz 1922-5-20 5459 Riverside Kenworthy, San Jacinto Mountains 1402 Comment
  POM19841  Calocedrus decurrens Mary F. Spencer 1923-8-17 2247 Riverside Fern Valley, Idyllwild. San Jacinto Mt. 1646 Comment
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Nov 19 2011
  RSA572048  Calocedrus decurrens C. Epling 1931-10-4 246 Riverside Strawberry Valley, San Jacinto Mountains; on mountainside. 1584 Comment
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Sep 22 2013
  SBBG365  Calocedrus decurrens M. Van Rensselaer 1937-6-23 Riverside San Jacinto Mtns Comment
  UC3382  Calochortus concolor H. M. Hall Jun 1901 2285 Riverside vicinity Chalk Hill; San Jacinto Mountians 1524 Comment
  UC729899  Calochortus invenustus Carl B. Wolf 1932-8-5 Riverside on trail from Tahquitz Valley to San Jacinto Peak (fork of Tahquitz Creek); San Jacinto Mts., Tahquitz Creek 2743 Comment
  RSA588987  Calochortus plummerae D. E. Bramlet 1994-6-16 2384 Riverside Lake Skinner County Park: in Tucalota hills area. Alongside existing equestrian trail, S of existing access road (BM 1487). 494 Comment
  UCR222418  Calochortus plummerae D. E. Bramlet, M. Riedel-Lehrke 2006-6-13 4021 Riverside Peninsular Range; Perris-Aguanga Basin Region, West Hemet Hills, 1.28 km south of Florida Ave. & 1.31 km east of Hwy 79/Winchester Rd. 625 Comment
  CLARK-A1528-20  Calochortus splendens C. M. Flanagan 1973-5-31 OO 613 Riverside Morongo Indian Reservation Comment
  RSA525421  Calochortus splendens Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4529 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at junction of Highway R3 and Powerline Road, NE of the lake. Comment
  UCR62662  Calochortus weedii var. intermedius Gary Bell 1990-6-27 s.n. Riverside hills c. 0.75 mi west of Crown Valley, NW of Rawson Canyon 762 Comment
  POM9605  Calycadenia tenella I. M. Johnston 1920-5-8 s.n. Riverside Jurupa Mountains, extreme west end. Comment
  UCR58337  Calyptocarpus vialis A. C. Sanders 1989-5-31 9492 Riverside Riverside, Botanic Garden of U. C. Riverside 396 Comment
  UC420634  Calyptridium monandrum Fred M. Reed 1907-5-26 1376 Riverside above Mount Rubidoux (Riverside and vicinity); Riverside Comment
  SEINET215201  Calystegia J. C. Lee 1966-4-9 24 Riverside Highway 74, Elsinore. 305 Comment
  CSUSB656  Calystegia macrostegia John N. Bullock 1970-5-18 P 34 Riverside 50 meters east of Maitri Road at a spot 200 meters south of the junction of Maitri Road and California State Highway 71 341 Comment
  UCR154626  Calystegia macrostegia A. C. Sanders, Mike Misenhelter 2005-6-15 30993 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  HSC92884  Calystegia macrostegia subsp. intermedia Scott D. White 1996-4-14 3919 Riverside E of Hemet, San Jacinto River Wash near Valle Vista, N of Hwy. 74, 1.7 mi. W of USFS Cranston Fire Station 534 Comment
  CDA37136  Calystegia macrostegia subsp. tenuifolia Mike Lahti 2012-4-22 PDR# 1590340 Riverside Hemet; Near Grant St., south of Florida Ave. 0 Comment
  RSA192219  Calystegia macrostegia subsp. tenuifolia E. W. Lathrop 1965-4-4 5625 Riverside 8 miles W of Murrieta - Tenaja Range Comment
  RSA679170  Calystegia occidentalis subsp. fulcrata Fred M. Roberts 2003-6-25 5939 Riverside Santiago Peak, old road near Orange County line, c.a. 150m N jct. with Main Divide Truck Trail, 0.5 km north summit. 1633 Comment
  CAS-BOT-BC216298  Camissonia M. Bourell 1988-3-28 3513 Riverside Box Canyon, BLM California Conservation area. E of Mecca on Hwy. 195. 150 Comment
  RSA25611  Camissonia bistorta Carl B. Wolf 1941-6-29 4219 Riverside West side of Lake Elsinore. 366 Comment
  UCR241529  Camissonia boothii A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40633 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  RSA3972  Camissonia boothii subsp. condensata Carl B. Wolf 1932-4-29 3110 Riverside Eastern Colorado Desert, 9 mi S of Brown's Well on the Blythe-Rice Road [Midland Rd]. 244 Comment
  RSA586795  Camissonia californica D. L. Banks, Steve D. Boyd 1995-5-3 233 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
  RSA775565  Camissonia californica Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-5-16 1254 Riverside Haugen Lehmann off I-10, Pacific Crest Trail (PCT) in canyon directly W. of Whitewater. 675 Comment
  SEINET3093245 Image available Camissonia californica B. Pitzer, L. LaPre 1987-3-2 416 Riverside Bundy Canyon, ca. 2 mi. SE of Lake Elsinore and 0.5 mi. N of Bundy Canyon Rd., off Raciti Rd. (Romoland 7.5' Quad). Comment
  UCR104944  Camissonia californica A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20697 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek [c. 2.5 miles below Twin Pines Rd. on dirt road] 854 Comment
  UCR166017  Camissonia claviformis Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  POM265109  Camissonia claviformis subsp. aurantiaca I. L. Wiggins 1937-3-9 8759 Riverside 5 miles west of Shaver's Well. 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
  RSA135304  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-1-25 11476 Riverside Box Canyon 5.5 miles south-east of Painted Canyon turnoff. Comment
  RSA543580  Camissonia graciliflora Steve Boyd 1991-5-7 6162 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  RSA585511  Camissonia hirtella D. L. Banks, Steve D. Boyd 1995-5-9 372 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, W of the Dripping Springs Alcove, W of Woodchuck Campground. 793 Comment
  UCR154747  Camissonia hirtella T. B. Salvato, Kent Beaman 2005-5-16 779 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
  UCR163340  Camissonia hirtella T. B. Salvato, Kelly Volansky 2003-3-27 133 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  RSA501032  Camissonia ignota Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3152 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  POM13246  Camissonia intermedia P. A. Munz, I. M. Johnston 1922-5-19 5354 Riverside 5 miles NE of Murietta. 457 Comment
  CSUSB866  Camissonia micrantha Glen W. Forister 1967-4-2 Riverside Northwest edge of Palm Springs near Farrell Drive and Alejo Drive. 170 Comment
  POM260479  Camissonia pallida subsp. hallii Reid V. Moran 1941-5-5 844 Riverside East of Quail Spring[s], Joshua Tree National Monument 1300 Comment
  RSA314653  Camissonia pallida subsp. pallida Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55417 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  RSA449052  Camissonia refracta L. H. Jones 1910-3-17 s.n. Riverside Riverside Mountain on gravelly hillside Colorado River. Comment
  RSA675983  Camissonia refracta Scott D. White 2001-4-17 8347 Riverside Sonoran Desert: Shaver s Valley. North of the I-10 Freeway, ca. 16 miles east of Indio jtn. I-10 / SR 111. Bajada, washes, and mtn. foothills near powerline access roads at unnamed freeway exit accessing pump station. 457 Comment
  RSA449955  Camissonia strigulosa J. C. Roos 1965-6-13 s.n. Riverside Mountain Center, San Jacinto Mtns. Comment
  UCR102047  Camissonia strigulosa B. G. Pitzer 1997-4-20 3207 Riverside Lakeview Mtns, Approximately 50 ft. east of intersection of Stagecoach Road with Juniper Flat Road. 534 Comment
  UCR167078  Camissonia strigulosa Scott D. White 2005-3-29 10849 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  OBI33206  Camissoniopsis bistorta J. C. Roos 1947-3-15 3345 Riverside Valle Vista, San Jacinto Valley 549 Comment
  SDSU3365  Camissoniopsis hirtella H. Wedberg 1958-5-17 301 Riverside About 7.4 miles from railroad station at Banning on road to Idyllwild. Comment
  UCR166110  Camissoniopsis hirtella A. C. Sanders 1994-5-29 14570 Riverside San Bernardino Mtns., lower Millard Canyon, at first stream crossing on Forest Service Road 2S05, near Bench Mark 2868 850 Comment
  JEPS86254  Camissoniopsis ignota C. V. Meyer 1927-6-1 161 Riverside Saunders Meadow Comment
  UC597634  Camissoniopsis pallida subsp. pallida Philip A. Munz 1937-5-30 15107 Riverside Dos Palmos Spring north end Santa Rosa Mts. 1097 Comment
  UC635402  Camissoniopsis pallida subsp. pallida H. L. Mason 1928-3-11 4244 Riverside near Indio Comment
  CAS-BOT-BC18026  Carex athrostachya Peter Kamb 1947-6-7 579 Riverside San Jacinto Mountains. Hall Canyon. 1645 Comment
  RSA788094  Carex barbarae Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49554 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons Comment
  UC537214  Carex heteroneura M. E. Jones Sep 1933 Riverside San Jacinto Mts. Comment
  POM14380  Carex praegracilis Phillip A. Munz 1922-7-4 5971 Riverside Hemet Valley, San Jacinto Mountains. 1372 Comment
  RSA192172  Carex praegracilis E. W. Lathrop 1960-6-9 4959 Riverside 14 miles west of Murrieta. Comment
  RSA199002  Carex praegracilis Robert F. Thorne, Philip A. Munz, E. W. Lathrop 1968-5-8 37599 Riverside Santa Rosa Plateau, Rancho California 610 Comment
  SEINET7048216  Carex spissa Steven R. Hill, Andrew C. Sanders 2001-1 Riverside Comment
  JEPS9026  Castilleja affinis subsp. affinis Rimo Bacigalupi with G. T. Robbins 1954-5-16 4471 Riverside 0.5 mi n Sage (along road from Hemet to Sage (Calif Hwy 79), 1.5 mi s of junction of road to Red Mountain) 762 Comment
  UC1490301  Castilleja angustifolia Rolf Y. Berg 1980-4-2 Riverside ca 2.5 mi from mouth of Whitewater Canyon; Whitewater Canyon Comment
  POM229446  Castilleja applegatei subsp. martinii Philip A. Munz 1937-5-30 15078 Riverside Northwest slope of Santa Rosa Mt. 2134 Comment
  RSA6018  Castilleja applegatei subsp. martinii Carl B. Wolf 1932-8-5 3935 Riverside Trail from Tahquitz Valley to San Jacinto Peak, San Jacinto Mountains. 2561 Comment
  UCR241179  Castilleja exserta Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 47 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Canyon above woodland stand H-01, toward Burro Flat 951 Comment
  UCR280838  Castilleja exserta T. B. Salvato, Gregg Miller 2005-6-3 1403 Riverside Peninsular Range; Perris-Aguanga Basin Region, edge of Gavilan Hills ca 3.5 mi SW of Perris, 1.4 mi SE of Steele Peak, and 0.5 mi NNW of Good Hope Mine, E of Hwy 74 534 Comment
  RSA262097  Castilleja foliolosa E. W. Lathrop 1971-3-24 7466 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  UC26428  Castilleja foliolosa H. M. Hall Jun 1901 2084 Riverside vicinity Chalk Hill; San Jacinto Mountains 1371 Comment
  UCR133713  Castilleja martinii N. C. Cooper 1945-5-24 1666 Riverside San Bernardino Mtns., Big Oaks Canyon, [above] Banning 1220 Comment
  RSA0010952  Castilleja miniata subsp. miniata Mary F. Spencer 1923-7-8 2234 Riverside Saunders Meadows. pr. Idyllwild, San Jacinto Mt. 1829 Comment
  RSA588664  Castilleja minor subsp. spiralis D. L. Banks, Steve D. Boyd 1995-10-17 821 Riverside NW Palomar Mountains. Agua Tibia Mountains. Cleveland National Forest. Agua Tibia Wilderness Area. Along lower Arroyo Seco. S of the Dripping Springs Campground. Along the narrow benches where Arroyo Seco turns E, just W of the Metasedimentary hills. 524 Comment
  SD4814  Castilleja minor subsp. spiralis Evelyn Gray, Mrs. John Frederick Gray 1925-5-8 Riverside Campo to Comment
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Feb 8 2013
  CAS-BOT-BC38139  Caulanthus amplexicaulis H. M. Hall 1900-6-1 s.n. Riverside Riverside. Comment
  UC1287116  Caulanthus heterophyllus C. L. Hitchcock 1966-3-16 24179 Riverside 1/4 mi w Aguanga; w of Aguanga Comment
  UC75765  Caulanthus heterophyllus Miss M. Alice King March, 1893 Riverside bet. Elsinore and Menifee; bet. Elsinore and Menifee Comment
  UCR177191  Caulanthus heterophyllus Scott D. White, Michael Honer 2003-4-4 8950 Riverside Peninsular Ranges; Perris-Aguanga Basin, Temescal Canyon, dissected bajada bench, below and east of Horsethief Canyon, immediately south of I-15 Fwy 427 Comment
  SBBG4136  Ceanothus cordulatus M. Van Rensselaer 1937-6-23 Riverside San Jacinto Mtns 1859 Comment
  CAS-BOT-BC48456  Ceanothus crassifolius P. C. Everett 1935-6-17 7151 Riverside Santa Ana Mts., Coldwater Can. trail to Santiago Pk., 2 mi. above Glen Ivy Resort Comment
  CDA31121  Ceanothus crassifolius Mike Lahti 2010-3-8 PDR# 1501966 Riverside Murrieta: at Jo-Dan Farms on Pabesu Road near Greer Road. 0 Comment
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Aug 11 2012
  RSA575072  Ceanothus crassifolius Steve Boyd 1981-3-4 810304 -T Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  RSA680633  Ceanothus crassifolius Scott D. White 2001-3-27 8176 Riverside Badlands: Moreno Valley area. About 1 air mile East-Northeast of the jtn State Rt. 60 w/ theodore St. Adjacent to County Landfill. 610 Comment
  UCR43478  Ceanothus crassifolius R. F. Thorne, W. Wisura, E. W. Lathrop, S. Meury 1985-5-18 60628 Riverside Peninsular Ranges/Santa Ana Mtns, Santa Rosa Plateau: along Clinton Keith Rd., near base of the plateau 427 Comment
  SBBG119525  Ceanothus crassifolius var. crassifolius A. C. Sanders 2004-2-6 27387 Riverside foothills at edge of Temescal Valley, ridge S of Brown Cyn 442 Comment
  RSA650467  Ceanothus leucodermis G. Foster 1961-5-12 s.n. Riverside Idyllwild. Comment
  UCR172762  Ceanothus leucodermis Abby Sirulnik 2000-5-7 37 Riverside Peninsular Ranges; San Jacinto Mtns., Calif. Hwy 243, c. 6 mi. south of Poppet Flat Road 1646 Comment
  RSA16498  Ceanothus oliganthus Percy C. Everett 1935-6-18 7209 Riverside 0.5 mi. below (N) Main Divide motorway. 1280 Comment
  RSA606754  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27409 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
  UCR68477  Ceanothus ophiochilus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2960 Riverside Peninsular Range, Vail Lake area, 1 mi. west of lake 640 Comment
  RSA0005507  Ceanothus ophiochilus Steve Boyd, Tim S. Ross, L. Arnseth 1989-3-19 3020 Riverside Vail Lake area,1 mile W of Lake 610 Comment
  CAS-BOT-BC167233  Ceanothus palmeri Abby Sirulnik 2000-5-7 39 Riverside Peninsular Ranges; San Jacinto Mtns.: CA Hwy 243, ca. 6 mi. S of Poppet Flat Road 1646 Comment
  RSA761995  Ceanothus palmeri Peter Guiden, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 77 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SBBG28515  Ceanothus palmeri N. C. Cooper 1944-6-17 1416 Riverside above Banning 975 Comment
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Jul 7 2010
  UC1071223  Ceanothus papillosus A. Lewis Mar 1934 355 Riverside Sugarloaf Peak Cleveland National Forest, Corona Quad. Comment
  POM254871  Ceanothus papillosus var. roweanus W. Pequegnat s.n. Riverside 7 mi. south of Sierra Peak, on Main Divide Rd. 1159 Comment
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Nov 20 2010
  CAS-BOT-BC51921  Ceanothus perplexans Paul F. Covel 1938-4-21 1175 Riverside On grade bet. Idyllwild - Hemet Comment
  GMDRC6545  Ceanothus perplexans J. M. Andre 2012-6-15 30497 Riverside San Jacinto Mountains: along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest 1172 Comment
  RSA561075  Ceanothus spinosus Steve Boyd, Orlando Mistretta 1992-4-22 7009 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
  UC1071422  Ceanothus tomentosus R. St. John 1931-3-4 193 Riverside Tin Mine Canyon 609 Comment
  UC56264  Ceanothus tomentosus H. M. Hall 1902-4-1 2896 Riverside Near Sage 609 Comment
  CDA7290  Centaurea X pouzinii F. J. Willmarth 1960-6-2 Riverside Old Fuller Rancho, near Corona. 0 Comment
  UCR280836  Centaurea melitensis T. B. Salvato, Gregg Miller 2005-6-3 1370 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River c. 2.5 mi SSW of Perris, 1.5 mi downstream of Goetz Road where the river leaves the Perris Plain and enters the hill area above Railroad Canyon 427 Comment
  UCR168329  Centaurium exaltatum I. W. Clokey, E. G. Anderson 1935-8-21 6790 Riverside San Jacinto Mountains, Hemet Lake 1300 Comment
  RSA0055011  Centaurium exaltatum James R. Shevock 1971-9-18 1310 Riverside Vail Lake. 457 Comment
  POM320424  Centaurium venustum David Wheat 1968-5-16 138 Riverside 7.7 miles W Washington Ave-Guava St, Murietta, in Rancho California, Santa Ana Mt. 244 Comment
  RSA209603  Centaurium venustum Robert Eaton 1968-5-13 680513 -11 Riverside Tenaja Rd. 8.5 miles from Washington St. Murietta. Sandia Canyon. 305 Comment
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Apr 20 2008
  RSA588599  Centaurium venustum D. L. Banks, Steve D. Boyd 1995-10-17 810 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. 524 Comment
  UCR38687  Centaurium venustum J. M. Stewart 1985-5-20 8521 Riverside Sonoran (Colorado) Desert, Palm Canyon 244 Comment
  JOTR30967  Centrostegia thurberi La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1942 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  RSA614182  Cerastium glomeratum D. L. Banks 1997-2-17 1276 Riverside NW Palomar Mountains, Agua Tibia Mountains: Burned areas in the Temecula community of Redhawk, south of the intersection of Redhawk Parkway and Tehachapi Pass Road 396 Comment
  SD178173  Cerastium glomeratum A. C. Sanders, G. Helmkamp & P. MacKay 1995-3-12 16035 Riverside Weed: Coachella Valley: Indio, just southwest of the Whitewater River Channel at Auto Center Dr. (Hwy 111). -7 Comment
  RSA543837  Cerastium glomeratum Steve Boyd, Orlando Mistretta 1991-5-22 6288 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  POM243639  Cercocarpus betuloides E. C. Jaeger 1938-10-2 s.n. Riverside Little San Bernardino Mountains. 1220 Comment
  CAS-BOT-BC135494  Cercocarpus betuloides var. betuloides A. C. Sanders; N. Ferguson 1994-6-2 14625 Riverside San Jacinto Mountains: Bautista Canyon ca. 1 mile above the foerst service boundary. 850 Comment
  CAS-BOT-BC135499  Cercocarpus betuloides var. betuloides Nancy Ryan Zabriskie; Walter Zabriskie 1972-10-22 546 Riverside In small dry watercourse area, NE side Cactus Spring Trail west of Horsethief Canyon, Deep Canyon drainage, north slope Santa Rosa mts. 1097 Comment
  UC56988  Cercocarpus betuloides var. betuloides H. M. Hall April, 1902 2894 Riverside vicinity of Sage; Southern California 609 Comment
  CSUSB1368  Cercocarpus minutiflorus Oscar F. Clarke, Andrew C. Sanders, D. Vossler 1975-7-23 Riverside Santa Ana Mountains Santa Ana Mountains, west of Murrieta on the side of a canyon along Tenaja Road, at elevation 1800 feet (just below Mesa De Burro). 548 Comment
  UCR26631  Cercocarpus minutiflorus E. W. Lathrop 1966-3-20 6071 Riverside Cleveland National Forest, 10 mi west of Murrieta on the Tenaja Truck Trail between Tenaja Guard Station and DeLuz, Trabuco District 652 Comment
  UC75942  Chaenactis artemisiifolia Miss M. A. King 1893-1 Riverside Menifee Comment
  UCD130227  Chaenactis carphoclinia P. C. Everett; E. K. Balls 1958-4-29 23012 Riverside U.S. Highway 60/70, Indio to Blythe, 6.5 miles east from junction with U.S. Hwy. 99. 243 Comment
  UCR104002  Chaenactis carphoclinia George K. Helmkamp 1998-4-4 3157 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
  UCR256344  Chaenactis carphoclinia Duncan S. Bell 2011-12-30 3031 Riverside Sonoran (Colorado) Desert, Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; c. 2 air miles southwest of Priests Well, or c. 7 air miles southwest of the ghost town of Rice 365 Comment
  POM308526  Chaenactis carphoclinia var. carphoclinia Henry J. Ramsey, Henry J. Ramsey 1939-11-28 3169 Riverside 10 miles east of Indio. Comment
  RSA510023  Chaenactis carphoclinia var. carphoclinia B. Pitzer 1988-3-10 645 Riverside Chuckwalla Mountains. W side of mountains, on gas line road ca. 1.5 mi north of intersection with Red Cloud Mine Road (& wash); ca. 2 miles (airline) S of Highway I-10. (Red Cloud Road. 10 km cell; PH-2N, 3E) 488 Comment
  RSA796499  Chaenactis carphoclinia var. carphoclinia J. Andre 2012-3-19 21341 Riverside Chuckwalla Valley. Along unnamed dirt road 0.3 mi N of Hwy 177, 5.7 mi NE of Jct with I-10 freeway. 157 Comment
  CAS-BOT-BC276942  Chaenactis fremontii P. C. Everett; N. F. Lolonis 1963-5-3 24493 Riverside Colorado Desert, US Highway 99, 2.7 miles SE of exit to 29 Palms and Yucca Valley 30 Comment
  CLARK-A1528-5626  Chaenactis fremontii John C. Roos 1937-4-18 2462 Riverside Comment
  HSC5291  Chaenactis fremontii R. A. Eagle 1964-3-28 12 Riverside 1 mile this side of Palm Springs Comment
  POM13016  Chaenactis fremontii Philip A. Munz, D. D. Keck 1922-4-14 4970 Riverside 10 miles W of Indian Wells 107 Comment
  RSA550043  Chaenactis fremontii Walter Wisura, A. King, L. Newcomb 1992-4-10 4664 Riverside Colorado Desert, Morongo Valley, Mission Creek Ranch W of Highway 62 below Morongo Valley. Comment
  SEINET1086113 Image available Chaenactis fremontii G. Helmkamp, M. Rosczyk 1985-4-4 223 Riverside West edge of themain canyon 1/4 mile below the BLM gate. 518 Comment
  UC572543  Chaenactis fremontii H. S. Yates 1937-3-23 6395 Riverside 2 mi n of Palm Springs; San Jacinto 213 Comment
  UCR133382  Chaenactis fremontii Mitch Provance, J. S. Ross 1998-3-27 1002 Riverside San Bernardino Mtns., Morongo Indian Reservation, Lion Canyon, c. 1.2 miles NE of the town of Cabazon 579 Comment
  UCR4208  Chaenactis fremontii J. R. Sweeten 1965-5-15 21 Riverside San Bernardino Mtns., Whitewater Canyon, Whitewater Cyn Rd. about 4 miles from Hwy 60 Comment
  UCSB33602  Chaenactis fremontii Simmons, Karen 1979-3-25 Riverside Just south of Cottonwood Springs, 30.5 mi. south of White Tank Campground on Pinto Basin Road, Joshua Tree National Monument 152 Comment
  UCR133965  Chaenactis glabriuscula Mitch Provance, J. S. Ross 1998-3-27 MOR- 958 Riverside San Bernardino Mtns., Morongo Indian Reservation, road to Lion Cyn., c. 2.1 miles NE of Cabazon 549 Comment
  UCR174623  Chaenactis glabriuscula Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 345 Riverside Peninsular Ranges; San Jacinto Mtns., Turnout south of Mt. Edna Road along Calif. Hwy 243 1143 Comment
  UCR44229  Chaenactis glabriuscula A. C. Sanders 1986-6-1 6556 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  HSC85279  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1986-5-1 1820 Riverside S slopes of Bachelor Mtn, E end of Lake Skinner Comment
  RSA741203  Chaenactis glabriuscula var. lanosa Scott D. White, Justin M. Wood 2008-5-15 11965 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. 1357 Comment
  JOTR37461  Chaenactis stevioides Hodges, Stephen, T. Green 2016-5-5 583 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Upper Covington Flats, southwest from parking area for Covington Crest trail, along the ridge crest (Stop 1) Comment
  UCR103591  Chaenactis stevioides George K. Helmkamp, E. A. Helmkamp 1998-2-18 2722 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi south of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  RSA0013034  Chamaesyce albomarginata LeRoy Gross, Caitlin Elam 2013-5-14 6057 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
  RSA525447  Chamaesyce albomarginata Steve Boyd, Dave Bramlet 1990-4-29 4492 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  RSA339361  Chamaesyce micromera R. F. Thorne, R. Dahlgren, Gertrud Dahlgren 1979-8-22 53583 Riverside Joshua Tree National Monument; Vicinity of Ryan Campground to base of Ryan Mountain. 1319 Comment
  SEINET3228135  Chamaesyce micromera G. Rink, T. Thomas and K. Routson 2012-9-2 11658 Riverside McCoy Solar Power Plant (proposed) about 10 miles northwest of Blythe 170 Comment
  UC869027  Chamaesyce micromera I. W. Clokey 1935-4-17 6727 Riverside Cottonwood Springs Comment
  RSA433502A  Chamaesyce polycarpa H. de Forest, Freda Detmers 1933-3-25 s.n Riverside Mesa on way to Morongo Valley. Comment
  UC1130420  Chamaesyce polycarpa H. S. Yates 1937-3-23 6439 Riverside 15 mi nne Mecca 548 Comment
  UC2026420  Chamaesyce polycarpa Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10064 Riverside COLORADO-MOJAVE DESERT TRANSITION, LITTLE MARIA MOUNTAINS: Bajada at southwest end of Rice Valley, along Midland Road, just north of pass between Little Maria and Big Maria mountains. Comment
  RSA608177  Chamaesyce polycarpa var. polycarpa Steve Boyd, Valerie Soza, Tasha La Doux 1997-10-13 10064 Riverside Colorado-Mojave Desert transition, Little Maria Mountains: Bajada at southwest end of Rice Valley, along Midland Road, just north of pass between Little Maria and Big Maria mountains. 274 Comment
  CAS-BOT-BC66319  Cheilanthes clevelandii John Thomas Howell 1927-8-2 2907 Riverside a few miles south of Banning on road to Strawberry Valley of Mt. San Jacinto 670 Comment
  RSA632461  Cheilanthes newberryi Scott D. White 1999-5-28 7435 Riverside Gavilan Hills: Ca. 3 air miles SE of junction Cajalco Rd. / Gavilan Rd.: East of Juniper Rd. between Blue Sky Drive and Celestial Dr. 670 Comment
  SFV6304  Cheilanthes parryi T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 58 Riverside Little San Bernardino Mountains Little San Bernardino Mountains. Berdoo Canyon. Comment
  CLARK-A1528-2555  Chenopodium album John C. Roos 1951-9-25 5295 Riverside Riverside 259 Comment
  CSUSB1379  Chenopodium album Leland E. Francois 1966-3-29 5 Riverside City of Riverside Southeast corner U.S. Salinity Laboratory property, located at the corner of 14th Street and Palm Ave. 289 Comment
  UC1394427  Chenopodium album H. A. Wahl 1966-9-17 21798 Riverside Idyllwild San Jacinto Mountains Comment
  SD140131  Chenopodium californicum Scott White 1993-4-22 1238 Riverside North Alberhill Ranch, in hills north of Walker Canyon. 490 Comment
  UCD84943  Chenopodium murale Chuck Hughes 2010-3-26 215 Riverside About 8.9 miles south of Highway 62. 328 Comment
  RSA0108979  Chilopsis linearis Duncan S. Bell 2009-8-15 411 Riverside Northwest of the Arica Mountains. 286 Comment
  RSA751253  Chilopsis linearis A. C. Sanders 2008-7-25 35924 Riverside Gilman Springs Road, c. midway between Bridge St. and Lambs Canyon Rd., c. 5.6 mi. (air) ENE of Lakeview 473 Comment
  SD229110  Chilopsis linearis Dick Schwenkmeyer 2012-5-22 713 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  SD229111  Chilopsis linearis Dick Schwenkmeyer 2013-6-11 906 Riverside Approx. 1.5 miles north od highway 74 and Royal Carrizo Road intersection. 854 Comment
  JEPS58874  Chimaphila umbellata Carl V. Meyer 1928-6-14 451 Riverside canyon near Saunder's Meadow (San Jacinto Mt.); San Jacinto Mt. 1737 Comment
  UCR95952B  Chimaphila umbellata Scott D. White 1996-8-1 4408 B Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  CAS-BOT-BC184867  Chloris virgata F. H. Billings 1924-5-23 15 Riverside Near Redlands. Comment
  RSA725734  Chlorogalum parviflorum T. B. Salvato, Gregg Miller 2005-6-3 1376 Riverside ca 3 mi SW of Perris, 1.7 mi SW of the Goetz Road crossing of the San Jacinto River and ca 0.25 mi S of Ethanac Road 436 Comment
  RSA607339  Chorizanthe R. S. Woglum 1939-4-11 2226 Riverside Sonora Desert: Rice to Parker. Comment
  CAS-BOT-BC191713  Chorizanthe brevicornu var. brevicornu Barbara Ertter; Jeffrey Strachan 1980-5-20 3474 Riverside Sandy flat on W side of Highway 111 between Cathedral City and Rancho Mirage 91 Comment
  JOTR31961  Chorizanthe brevicornu var. brevicornu La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2198 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; rocky/gravelly bajada north of the Aqueduct Rd. 603 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
  UCR75074  Chorizanthe corrugata A. C. Sanders, E. J. Lawlor 1992-4-4 12135 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCD169658  Chorizanthe fimbriata R. F. Thorne; E. W. Lanthrop, W. Wisura 1977-7-8 49557 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons. 880 Comment
  UCR58855  Chorizanthe fimbriata Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3628 Riverside Butterfield Valley, Vail Lake area, just south of junction of Hwy 79 and road to the marina 460 Comment
  UCR19068  Chorizanthe leptotheca John C. Roos 1952-6-8 5748 Riverside Reche Canyon 549 Comment
  UCR205448  Chorizanthe leptotheca Diane Menuz 2008-6-5 463 Riverside Peninsular Ranges; foothills of San Jacinto Mtns, near Cahuilla Mountain, c. 260 m south of Hwy 371 1382 Comment
  UCR238222  Chorizanthe parryi var. parryi Mark A. Elvin 2005-5-24 4319 Riverside Peninsular Range; Perris-Aguanga Basin Region, hill west of Hemet and south of Hwy 74, east of Winchester Rd. 503 Comment
  SD134407  Chorizanthe procumbens Craig Reiser 1989-4-19 Riverside Southeast corner of De Portola and Colt Road Comment
  SEINET7063452  Chorizanthe procumbens A. G. Vestal 1947-3-30 s.n. Riverside About 4.2 miles west of Sage on the East Benton Road. UTM Zone 11, 499198mE, 3715007mN. (WGS84/NAD83). 549 Comment
  RSA392746  Chorizanthe rigida N. R. Zabriskie, Walter Zabriskie 1973-3-23 596 Riverside 30 yds. SW of Research Center Bldgs. Deep Canyon, N slope Santa Rosa Mountains. 305 Comment
  RSA543899  Chorizanthe staticoides Steve Boyd 1991-5-20 6270 Riverside Santa Ana Mountains, NW of Lake Elsinore. Lower Rice Cyn, just inside Cleveland Nat. For. boundary. 573 Comment
  LA206562  Chorizanthe xanti Carl Epling; William Robison 1933-6-24 Riverside Little San Bernardino Mountains, San Gorgonio Wash Comment
  JEPS100430  Chorizanthe xanti var. leucotheca Dean W. Taylor 2003-5-6 18522 Riverside 1.15 miles NNE of Cabazon, along access road paralleling powerlines, San Gorgonio Pass, growing in the wash draining Millard Canyon 640 Comment
  RSA734503  Chorizanthe xanti var. leucotheca M. Wall 2008-6-20 463 Riverside San Jacinto River, east of Hemet off Hwy 74, ca. 2.0 miles east of the Cranston Ranger Station. 639 Comment
  CLARK-A1528-1769  Chrysopsis villosa John C. Roos 1951-9-25 5299 Riverside Santa Ana River 259 Comment
  JOTR30292  Chrysothamnus nauseosus subsp. mohavensis Andre, Jim, Tasha La Doux 2007-9-6 8703 Riverside Joshua Tree National Park. On dirt road to Lost Horse Ranger Station, below Hemingway Buttress 1236 Comment
  UC700972  Chylismia brevipes subsp. brevipes Aven and Ruth Nelson 1939-3-29 3329 Riverside near Hidden Springs Canyon Comment
  OBI30389  Chylismia claviformis T. Pringle 1966-2-22 22 Riverside Colorado Desert, along hwy 60, 1 mi SE of Garnet Comment
  UC1004763  Chylismia claviformis subsp. aurantiaca Edmund C. Jaeger 1939-12-3 Riverside wash Orocopia Mts. 365 Comment
  UC311293  Chylismia claviformis subsp. aurantiaca Philip A. Munz 1925-12-30 10822 Riverside Thousand Palms Comment
  CAS-BOT-BC287959  Cirsium occidentale var. californicum John Thomas Howell 1931-5-31 6601 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  RSA329670  Cistanthe monandra Gary D. Wallace 1966-3-26 250 Riverside Whitewater Canyon; 13 mi. E. of Banning, San Bernardino Nat l For. 427 Comment
  RSA487442  Cistanthe monandra Jack Easton 1988-5-2 s.n. Riverside Anza area. 1189 Comment
  RSA653427  Cistanthe monandra Scott D. White 1999-5-24 7394 Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 Comment
  UC667380  Cladium californicum Annie M. Alexander and Louise Kellogg 1941-5-17 2191 Riverside Old pond hear Dos Palmas; Colorado Desert Comment
  CAS-BOT-BC164316  Clarkia delicata Earl W. Lathrop 1989-5-10 s.n. Riverside Tin Mine Cyn. 4 miles SW Corona Comment
  UCR133448  Clarkia dudleyana Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 451 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  UCR260832  Clarkia epilobioides A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41529 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
  CAS-BOT-BC163868  Clarkia purpurea subsp. quadrivulnera Mitch Provance 2003-4-17 4631 Riverside San Bernardino Valley: Riverside, W base of Box Springs Mts., Big Springs Arroyo, N. side of Big Springs Rd., W of the railroad tracks 360 Comment
  POM13122  Clarkia purpurea subsp. quadrivulnera P. A. Munz 1922-5-19 5333 Riverside 5 miles NE of Murietta. 488 Comment
  CAS-BOT-BC164737  Clarkia rhomboidea H. M. Hall 1897-6-16 651 Riverside Strawberry Valley 1600 Comment
  UC20031  Clarkia rhomboidea H. M. Hall June, 1901 2270 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1584 Comment
  UCSB4304  Clarkia rhomboidea Kamb, Peter 1948-7-4 Riverside Hall Cyn; San Jacinto Mtns 1645 Comment
  RSA527852  Clarkia similis Scott D. White 1991-5-13 91 -87 Riverside Hwy 79, immediately W of U.S. Forest Service Campground at Dripping Springs. 549 Comment
  JEPS122471  Clarkia unguiculata J. M. Andre 2012-6-15 30537 Riverside San Jacinto Mountains; along Highway 243, 10.7 miles south of Interstate 10 (Banning), San Bernardino National Forest. Lake Fulmor 7.5' Q. Comment
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May 28 2020
  POM12718  Claytonia parviflora subsp. tenuifolia P. A. Munz 1922-6-30 5910 Riverside Santa Rosa, Santa Rosa Mountains. 1982 Comment
  UCR268590  Claytonia perfoliata subsp. mexicana Jim Andre 2012-6-15 30539 Riverside San Jacinto Mountains, Banning, along Hwy 243, 10.7 miles south of Interstate 10, San Bernardino National Forest 1499 Comment
  RSA386289  Clematis pauciflora Gale Sphon 1955-3-5 s.n. Riverside Horsethief Canyon, Elsinore Mountains. Comment
  SDSU12858  Clematis pauciflora Janet M. Knotts with Jill Steinberg 1998-3-11 11 III1998B Riverside Ca. 1/4 mile along foot trail leading southeast from road, approximately 1/4 mile northeast of Santa Margarita (SDSU) Field Station trailer, north of Santa Margarita River. 335 Comment
  UCR16742  Clematis pauciflora Rodney Hendrick 1965-5-2 s.n. Riverside Peninsular Range, Temecula Creek and Hwy. 71 610 Comment
  POM293219  Cleome isomeris Lyman Benson 1945-3-29 11628 Riverside Canyon on Palm Springs Road, Colorado Desert, Little San Bernardino Mountain. 610 Comment
  NY68263  Collinsia callosa H. M. Hall 07 1899 1267 Riverside San Antonio Mountains. Schwartout Cañon. Rim of Mohave desert. 1981.2 Comment
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Jul 14 2010
  SJSU11586  Collinsia concolor N. D. Addy 1962-4-16 Riverside Railroad Canyon Rd c. 3.5 mi E of E shore, Lake Elsinore Comment
  RSA0117407  Collinsia concolor Joseph A. Ewan 1932-4-8 7040 Riverside Whitewater Canyon, about 3 miles above mouth. Comment
  RSA0117431  Collinsia concolor D. L. Banks, Steve D. Boyd 1995-5-9 384 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 701 Comment
  UCR25368  Collinsia heterophylla John C. Roos 1952-4-13 5530 Riverside Riverside, Box Springs Mountains 488 Comment
  CDA35600  Condalia globosa var. pubescens G. D. Barbe, J. L. Johnson 1982-11-2 4029 Riverside 14.5 mileseast of Eagle Mtn. Railroad on Bradshaw Trail, south of Chuckwalla Mountain 0 Comment
  RSA463104  Conium maculatum Steve Myers 1987-6-24 s.n. Riverside Murrietta Creek, at confluence with Temecula Creek, near the town of Murrieta. 290 Comment
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May 6 2020
  HSC80296  Convolvulus arvensis Steve Boyd 1985-7-23 1003 Riverside 5.2 mi. W of Rancho California on De Luz Rd. 396 Comment
  UCR241383  Convolvulus simulans T. B. Salvato, Mike Landers 2013-3-21 7385 A Riverside Perris-Aguanga Basin, Murrieta, between Hwy 215 and State Route 79 (Winchester Rd), 0.23 mi east of the intersection of Keller Rd and Menifee Rd 470 Comment
  UCR211725  Conyza bonariensis Fred M. Roberts, Ileene Anderson 2005-5-20 6207 Riverside Perris Basin, San Jacinto Valley, field 0.5 km west of Sanderson Road, 3.2 km southwest of Gilman Hot Springs 446 Comment
  CLARK-A1528-4195  Cordylanthus filifolius John C. Roos 1965-8-18 Riverside San Jacinto Mountains Comment
  RSA78304  Cordylanthus nevinii Philip A. Munz, E. K. Balls 1952-8-21 17976 Riverside Santa Rosa Spring, Santa Rosa Mts. 2134 Comment
  RSA0010994  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Colleen Wheeler 2010-7-19 1625 Riverside San Bernardino National Forest: Garner Valley, trail to Tool Box Spring, approximately 3.1 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1440 Comment
  RSA643671  Coreopsis bigelovii A. C. Sanders 1995-4-13 16489 Riverside San Bernardino Mountains/ Colorado Desert: Devil's Garden, E end of mountains, 2.1 miles W of Highway 62 on Pierson Ave. & dirt extension, 1.7 mile above Sierra Blvd. 701 Comment
  POM356162  Corethrogyne filaginifolia Albert J. Perkins 1916-9-2 s.n. Riverside Idylwild Comment
  RSA762735  Corethrogyne filaginifolia Patrick Garrett, C. Martinez, N. Fraga, L. McDade, et al. 2010-8-14 76 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR65277  Cosmos sulphureus Steve Boyd 1989-7-9 3778 Riverside City of Riverside, 4863 Rubidoux Ave. Comment
  UCR118244  Cotula australis Mitch Provance, J. Ross 1999-4-1 1732 Riverside Jurupa Mountains, saddle c. 0.5 km east of peak 1437 in the W portion of the Jurupa Mountains. 427 Comment
  RSA526177  Cotula australis Steve Boyd, Timothy S. Ross 1990-5-11 4679 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
  RSA757466  Crassula aquatica R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55210 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road. 730 Comment
  RSA586295  Crassula connata D. L. Banks, S. D. Boyd 1995-5-3 0205 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
  RSA557352  Cressa truxillensis Julie Greene 1993-5-12 1292 Riverside North side of San Jacinto River levee, west of Davis Road. 433 Comment
  GMDRC4944  Crossosoma bigelovii J. Andre 2011-2-18 15824 Riverside Coachella Valley: north end of valley at base of Morongo Canyon, 0.5 mi. N. of Indian Cyn Rd, 1 mi. west of Hwy 62. 473 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
  SEINET10483986  Crossosoma bigelovii Betty Venrick 1961-3-17 Venrick 506 Riverside White Water Canyon, 1/2 mile below fish hatchery. San Bernadino Mt. range. Drainage area: Salton Sea. Veg. type: Colorado desert. Soil granitic 762 Comment
  CHSC109025  Croton californicus Orlando Mistretta; D. Bell, J. Beckman, J. England, K. Kane, et al. 2010-4-12 4604 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) in the vicinity of Bonnie Bell; between N33.95609, W116.64365 and N33.95477, W116.64248. 525 Comment
  CLARK-A1528-2644  Croton californicus Charles S. Papp 1963-6-29 310 Riverside Santa Ana River Comment
  JOTR28933  Croton californicus La Doux, Tasha, Bill Truesdell, Erin Babich 2005-3-7 1168 Riverside Joshua Tree National Park. Eagle Mountains, southeast end near Pinto Wells 316 Comment
  OBI42546  Croton californicus B. Pitzer 1986-5-24 247 Riverside Whitewater Cyn, ca 5 mi N of hwy I-10 on Whitewater Cyn rd. From N edge of hatchery to ca. 1/4 mi N of hatchery boundary. Whitewater 7.5' quad T2S, R3E, NE 1/4 sec 22 Comment
  RSA596673  Croton californicus D. L. Banks, Lauren Raz 1996-11-5 1186 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, S of San Gabriel Church; Along a newly established firebreak along a NW-SE running ridgeline, near the water tank. 402 Comment
  UCR169922  Croton californicus Scott D. White, Jennifer H. Jones 2005-4-21 10948 Riverside Sonoran Desert, Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  UCR235075  Croton californicus A. C. Sanders, John F. Green 2012-6-1 40226 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, south of I-15 between Horsethief Cyn. Rd. and Hostettler Rd. 368 Comment
  SD229138  Croton setiger Dick Schwenkmeyer 2012-10-16 934 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 505 Comment
  IRVC28961  Cryptantha Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9026 Riverside Ca. 0.05 mi. S on Santa Rosa Mtn. Road from Hwy 74. Peninsular Ranges, Santa Rosa Mountains Comment
  POM6558  Cryptantha angustifolia P. A. Munz, L. T. Street, G. Williams 1919-3-27 2354 Riverside Salton Sea Comment
  RSA18944  Cryptantha angustifolia Roxana S. Ferris, Ruth P. Rossbach 1938-5-15 9515 Riverside 19 mi. from Cottonwood Springs, Riverside Co. N end of Pinto Basin Comment
  RSA517912  Cryptantha angustifolia Steve Boyd, T. S. Elias, Erika Winter 1986-2-18 1317 Riverside Mecca Hills, Colorado Desert: Painted Canyon N of Highway 195. Comment
  RSA652889  Cryptantha angustifolia John Wallace, Steve McNabb 1991-5-5 9 Riverside Approximately one mile south of Thompsons Camp. Comment
  UCR175169  Cryptantha angustifolia Jim Andre 2006-4-6 6692 Riverside S Mojave Desert, Joshua Tree National Park: along Pinto Basin Rd. in Wilson Canyon 866 Comment
  UCR6093  Cryptantha angustifolia David T. Wright 1966-3-5 s.n. Riverside Sonoran (Colorado) Desert, 2 mi south of Palm Desert at the mouth of Deep Canyon Comment
  UCSB5589  Cryptantha angustifolia Krogen, Roger 1957-1 Riverside 26 mi. E of Indo on Hwy 60-70, near S entrance to Joshua Tree Nat. Park Comment
  RSA49167  Cryptantha barbigera P. A. Munz 1949-4-13 13045 Riverside above Cottonwood Springs, west end Eagle Mts. Colorado Desert 1098 Comment
  UCR167272  Cryptantha barbigera 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
  UCR214895  Cryptantha barbigera A. C. Sanders 2010-3-23 37533 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  UCR85255  Cryptantha barbigera A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16185 Riverside Western Colorado Desert, Coachella Valley, Willow Hole, 4 miles south of Desert Hot Springs. 213 Comment
  SD185166  Cryptantha barbigera var. fergusoniae A. C. Sanders 2001-4-8 23983 Riverside Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic Ave. 348 Comment
  UCR167235  Cryptantha barbigera var. fergusoniae 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
  UCR162544  Cryptantha corollata John F. Green 2005-4-29 s.n. Riverside Upper Santa Ana River Basin, eastern end of the Jurupa Mountains, Rubidoux area, immediately south of the county line, east of Armstrong Road 335 Comment
  RSA796026  Cryptantha costata Duncan S. Bell 2009-4-18 243 Riverside Arica Mountains; northeast of range, approximately 2.25 air miles southwest of the ghost town of Rice. 224 Comment
  UCR224998  Cryptantha costata Dave Silverman, A. C. Sanders 2010-3-23 7817 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, dunes at SSE tip of Palen Lake, 1.5 km SW of Palen Dunes Dr., 3.2 km N of I-10 and 8 km ESE of Sidewinder Well 130 Comment
  UC78484  Cryptantha dumetorum Marcus E. Jones, A. M. 1903-5-11 Riverside Whitewater, close to station Whitewater 304 Comment
  UCR279374  Cryptantha dumetorum A. C. Sanders, Jim Malusa 2017-3-24 42952 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  CAS-BOT-BC218762  Cryptantha holoptera Catherine A. Toschi 1963-4-10 63 :120 Riverside Boyd Desert Research Center, 5 miles south Palm Desert 304 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
  RSA683088  Cryptantha intermedia Scott D. White, T. B. Salvato, L. V. DeMarco, Jessica Christian 2001-6-30 8664 Riverside Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  RSA692089  Cryptantha intermedia H. A. Haid 1968-5-8 s.n. Riverside San Jacinto Mtns.: Bautista Canyon, above confluence with Horse Creek. 878 Comment
  RSA735608  Cryptantha intermedia LeRoy Gross, Duncan Bell 2008-9-16 3578 Riverside Garner Valley. West side of, and close to Highway 74. Around 1/4 mile north from Ramona trailhead parking area. 1365 Comment
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Oct 24 2011
  UC217988  Cryptantha intermedia P. A. Munz and I. M. Johnston 1922-5-19 5317 Riverside 3 mi e Murietta 457 Comment
  UCD119843  Cryptantha intermedia C. L. Hitchcock 1966-3-16 24193 Riverside about 5 miles northeast of Aguanga. Comment
  UCD119862  Cryptantha intermedia R. L. Smith 1948-3-24 s.n. Riverside foot of Andreas Canyon. 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
  RSA0070998  Cryptantha intermedia Steve Boyd, K. Boyd, R. Noyes, L. Arnseth, C. Boyd 1988-5-28 2291 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. 0.5 mi S of saddle. 1500 Comment
  JOTR29358  Cryptantha maritima La Doux, Tasha, Bill Truesdell, Naomi Fraga 2006-4-26 1435 Riverside Joshua Tree National Park. Long Canyon; Stop 2, in side canyon east of main wash. 837 Comment
  OBI35028  Cryptantha maritima Sears 1978-3-18 926 Riverside 3 mi E of Corn Spring, 9 mi SE of Desert Center, T6S, R16E, sec 23 366 Comment
  POM13224  Cryptantha maritima E. C. Jaeger 1921-04 1126 Riverside Box Canyon, Colorado Desert. Comment
  UCR103585  Cryptantha maritima George K. Helmkamp, E. A. Helmkamp 1998-2-18 2716 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi south of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  SD256715  Cryptantha micrantha J. M. Andre, Glen Clifton, Ron Kelley 2013-3-21 24387 Riverside West Riverside Mountains; at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 miles SW of Vidal Jct, 3 miles south of Grommet RR xing at Hwy 62. 363 Comment
  RSA683870  Cryptantha microstachys Scott D. White, Michael Honer 2003-4-4 8958 Riverside Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  SBBG19053  Cryptantha microstachys M. A. Piehl 1963-6-2 63546 Riverside Hwy 74, ca. 1.2 mi W of Mountain Center 1341 Comment
  UCR133402  Cryptantha microstachys Tracy Tennant, J. S. Ross 1998-5-7 MOR- 94 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Wood Canyon (polygon W8), c. 0.6miles NNW of Cabazon. 1280 Comment
  UCR84654  Cryptantha muricata Scott D. White, S. Ogg 1994-4-21 1980 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  RSA0123115  Cryptantha nevadensis var. nevadensis Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9022 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  UCR267893  Cryptantha nevadensis var. nevadensis Jim Andre 2013-3-4 23858 Riverside Sonoran (Colorado) Desert, 0.2 miles east of Hwy 95, just south of Riverside Mountains, just north of Queen Sable Point 96 Comment
  RSA0124380  Cryptantha pterocarya var. cycloptera Duncan S. Bell, LeRoy Gross 2016-3-31 9196 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
  RSA777442  Cryptantha pterocarya var. cycloptera Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 973 Riverside Road to Priest's Well, east side of Arica Mountains 488 Comment
  UCR244733  Cryptantha pterocarya var. cycloptera Jim Andre 2012-3-19 21351 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177, 8.6 mi. NE of junction with I-10 152 Comment
  RSA0043033  Cryptantha racemosa Duncan S. Bell, Evan Meyer 2014-4-3 6534 Riverside Chuckwalla Mountains; northeast section of range; Spring Tank, approximately 3.25 air miles southeast of Desert Center. 446 Comment
  RSA80749  Cryptantha racemosa F. W. Peirson 1927-4-12 7170 Riverside Painted Canyon, near Mecca Comment
  UC857248  Cryptantha racemosa C. L. Hitchcock 1940-3-31 5892 Riverside between Cottonwood Springs and Pinto Basin Comment
  CLARK-A1045-302  Cryptantha utahensis George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep canyon; ; Palm Desert 15'Q Comment
  JOTR37475  Cryptantha utahensis Hodges, Stephen, T. Green 2016-5-5 596 Riverside Joshua Tree National Park. Little San Bernardino Mountains; canyons below Upper Covington Flats, southwest of Covington Crest trail (Stop 2) Comment
  RSA0123289  Cryptantha utahensis Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 9002 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  RSA499802  Cryptantha utahensis M. B. Dunkle 1937-3-25 4950 Riverside Colorado Desert. Shaver s Well Comment
  UCR279564  Cryptantha utahensis A. C. Sanders, Jim Malusa 2017-3-29 43171 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 4 km SSE (164 deg. ) of the confluence of Red Canyon and Salt Creek 518 Comment
  UCD63684  Cupressus forbesii Daniel Sanchez-Mata; Richard Halsey 2006-6-28 s.n. Riverside Corona. Cleveland National Forest. Santa Ana Mountains. Indian Truck Trail from Corona. Between Main Divide and Santiago Peak summit. 1410 Comment
  UCR100301  Cuscuta californica var. papillosa B. G. Pitzer 1997-4-20 3191 Riverside Lakeview Mtns, Intersection of 'Dutton' Street with Voltaire Vista Road. (Note: Dutton ends in T-intersection at Sardis Lane, which makes a 90 deg. E turn onto Brent Lane, which becomes Voltaire Vista Road east of Elton Lane. Therefore, this locality is actually the intersection of Elton Lane & Voltaire Vista Road.) 610 Comment
  CLARK-A1703-57  Cuscuta subinclusa H. A. Zuill 1966-7-4 275 Riverside Murrieta Comment
  RSA478740  Cycloloma atriplicifolium Lester H. Cushman 1932-8-24 s.n. Riverside Near Vineland, where the Valley Blvd. crosses the San Bernardino Co. line. Comment
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Nov 5 2011
  UCR111754  Cycloloma atriplicifolium S. J. Myers, C. McGaugh 1996-5-17 s.n. Riverside Santa Ana River Valley, Corona, River Road bridge over the Santa Ana River 165 Comment
  SD164925  Cylindropuntia munzii Marc A. Baker, Tom F. Daniel 1984-3-24 4942 Riverside Above Chuckawalla Well. (IPB 7/07) 609 Comment
  SEINET3071826  Cylindropuntia ramosissima Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17508 Riverside Pilot Mountain quadrangle, zone 11 0655330mE 3721650mN NAD83, Corn Springs, north side of Chuckwalla Mountains, 12km SSE of Desert Center, 85km east of Indio 498 Comment
  UC1560187  Cylindropuntia ramosissima E. Yale Dawson May, 1932 Riverside Desert Center Colorado Desert Comment
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Apr 5 2011
  RSA297076  Cymopterus panamintensis var. acutifolius John F. Emmel 1974-4-27 486 Riverside Canyon 0.4 air mile NE of peak 3263 on 1956 USGS topographic quad. N end Coxcomb Mts. 762 Comment
  UC1931672  Cynanchum louiseae A. C. Sanders 1985-9-5 5951 Riverside UC Riverside Botanic Garden Comment
  UCR208341  Cyperus involucratus O. F. Clarke 2004-4-14 s.n. Riverside San Bernardino Valley Region, Riverside, west side of Santa Ana River opposite the south end of Mt. Rubidoux, SE of Flabob Airport, south of bend in Crestmore Rd. and 2 mi. south of Mission Blvd., east of Co. Parks Hqtrs. 229 Comment
  CSUSB1282  Dalea californica Tony Beck 1968-4-28 680428 5 Riverside Colorado Desert West Colorado Desert. 4 miles south of trout farm on Whitewater Canyon Road. About 100 yards east of the road in dry, sandy soil. 548 Comment
  RSA0124740  Dalea mollis Duncan S. Bell, LeRoy Gross 2016-3-9 8845 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 1.75 air miles north of Gucci Spring. 551 Comment
  UC218038  Dalea mollis P. A. Munz and D. Keck 1922-4-8 4738 Riverside Mecca Colorado Desert, Mecca -30 Comment
  SEINET10452146  Dalea mollissima David B. Dunn 1946-3-16 Dunn 2062 Riverside Collected on dry plateau 1/2 mi ne of pushawalla palms. Indio hills. Sparse Desrt scrub of larrea and franseria, with palms at the springs in the canyon. Comment
  UC863727  Dalea mollissima Lewis S. Rose 1936-12-26 36829 Riverside 37 mi. e. Indio (Indio-Blythe Rd.) 762 Comment
  CAS-BOT-BC283040  Dasyochloa pulchella Lewis S. Rose 1936-12-26 36831 Riverside 22 mi. E. of Indio, Indio-Blythe Road 762 Comment
  RSA0027466  Dasyochloa pulchella Deidre Conocchioli, Billy Sale, Naomi Fraga 2013-9-25 59 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
  RSA586338  Datisca glomerata D. L. Banks, S. D. Boyd 1995-5-3 0203 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
  SD11890  Datisca glomerata Victor Duran 1933-7-1 3494 Riverside Santa Rosa Mts, near Santa Rosa 1830 Comment
  UCR68859  Datisca glomerata Steve Boyd, T. S. Ross 1990-5-11 4659 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
  CHSC116490  Datisca glomerata R. F. Thorne; E. W. Lathrop, W. Wisura 1977-7-8 49547 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons. Comment
  UCR86200  Datura discolor A. C. Sanders 1995-5-23 17120 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
  UCR30448  Datura stramonium John C. Roos 1965-10-6 s.n. Riverside Santa Ana River at Pedley 201 Comment
  SDSU11088  Datura wrightii Ronald H. Bogelow 1962-4-16 Riverside 10 yards from north side of 29 Palms road, about 10 miles from Desert Center Rd. Comment
  UCR35272  Datura wrightii L. B. Ziegler 1964-9-2 27 Riverside San Jacinto Mountains, Pinyon Flats 1311 Comment
  RSA706234  Deinandra mohavensis Michael Wall, Cassy, Dick Whiting 2005-8-6 402 Riverside SE Hemet, Santa Rosa Hills, Simpson Park. Comment
  CAS-BOT-BC131032  Deinandra paniculata H. M. Hall 1930-11-9 13025 Riverside Aguanga Hills, 5 miles from Aguanga Comment
  UCR281840  Deinandra paniculata R. E. Riefner Jr. 2017-8-12 17- 385 Riverside Perris-Aguanga Basin, city of Temecula, along the levee of Murrieta Creek, north side of Diaz Road, at Remington Avenue 327 Comment
  SDSU10031  Delphinium cardinale Thomas Zink 1971-7-1 Riverside Along a side road off Indian Canyon Rd. in Temescal Canyon. 305 Comment
  UCR18913  Delphinium cardinale John C. Roos 1965-6-19 s.n. Riverside Peninsular Range; Santa Ana Mtns, Sky Line Drive, south of Corona Comment
  CLARK-A1528-781  Delphinium nuttallianum Heather Hanson 1966-5-12 Riverside San Jacinto Mountains 1066 Comment
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Nov 20 2015
  RSA50296  Delphinium parryi E. K. Balls 1949-5-4 13478 Riverside Cajalco Road, road to Lake Mathews, Gavilan Hills. 2 miles from Corona to Elsinore Highway. Comment
  UCR256770  Delphinium parryi T. B. Salvato, Matthew Malle 2013-4-15 7543 Riverside Gavilan Hills, dirt SCE powerline access road east of Lake Street and northwest of Hilltop Drive. 0.83 mi north-northeast of the junction of Lake Street and Hwy I-15 478 Comment
  UCR49250  Delphinium parryi Steve Boyd 1986-4-19 1712 Riverside Temescal Canyon, Temescal Canyon: flats at SE end of Alberhill Mtn. 396 Comment
  UCR86246  Delphinium parryi Jeri Hirshberg 1995-5-27 s.n. Riverside San Jacinto Mtns., Garner Valley, edge of meadow c. 50 m west of Fobes [Ranch] Road 1366 Comment
  RSA394494  Delphinium parryi subsp. purpureum N. C. Cooper 1949-6-29 4328 Riverside Hemet Lake, San Jacinto Mountains. 1524 Comment
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Nov 22 2011
  RSA0029900  Delphinium patens subsp. montanum Justin M. Wood 2009-5-11 681 Riverside Hwy 243 near Ranger Peak, roadside. 1433 Comment
  CSUSB1037  Dendromecon rigida P. A. Rauch 1966-4-30 Riverside At road elevation 3600 feet Banning- Idyllwild Highway (about 8 miles from Banning). 1097 Comment
  UCR67329  Deschampsia danthonioides var. gracilis A. C. Sanders, E. Rey, D. Willick 1991-4-19 10926 Riverside Edgemont area, east of Sycamore Canyon. 0.8 mile west of Hwy I-215, on Eastridge Dr. (=Eucalyptus), just west of Pepsi Plant 466 Comment
  UCR195138  Descurainia incana A. C. Sanders, Tim Thomas 2008-8-1 35967 Riverside Peninsular Range; San Jacinto Mtns., lower Coldwater Creek near Mountain Center, at stream crossing of trail SSE of Keenwild Fire Station 1402 Comment
  UC857002  Descurainia obtusa subsp. adenophora P. A. Munz 1922-7-4 5975 Riverside Kenworthy; San Jacinto Mts. 1417 Comment
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Mar 25 2011
  UCR113154  Dichelostemma capitatum A. C. Sanders 1998-3-11 21666 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near east end of hills 518 Comment
  UCR251954  Dichelostemma capitatum subsp. capitatum Max Brodie 2014-4-20 26 Riverside Peninsular Range; Santa Ana Mtns., SW of Lake Elsinore, off South Main Divide Rd. roughly 3 miles south of Hwy 74 851 Comment
  CLARK-A1656-668  Dichelostemma pulchellum var. pauciflorum Lois Ann Scott 1978-4-10 Riverside San Jacinto Mountains 152 Comment
  RSA501061  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3178 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  CAS-BOT-BC292187  Dicoria canescens M. E. Jones 1933-12-29 s.n. Riverside Cabazon Comment
  POM11224  Dicoria canescens W. R. Dudley 1903-12 s.n. Riverside Near Palm Springs. Comment
  RSA0019288  Diplacus brevipes LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6155 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
  SD90541  Diplacus brevipes Robert F. Thorne, J. -P. Simon, C. W. Tilforth 1969-6-24 38099 Riverside San Bernardino National Forest, San Jacinto Mts.: Abobe James Reserve in Hall Canyon 1676 Comment
  SEINET14595866  Diplacus brevipes Sharon K. DuBoise 1987-1 Riverside San Jacinto Mountains, 1 mile up Bee Canyon off of Highway 74, Banning 15 minute quadrangle 457 Comment
  SBBG87344  Diplacus longiflorus B. Pitzer, A. C. Sanders 1937-4-21 495 Riverside Box Springs Mtns, near southernmost radio towers 792 Comment
  CAS-BOT-BC150871  Diplacus puniceus L. Haines; L. Erickson 1937-4-9 s.n. Riverside Riverside - Hemet Road near Winchester turnoff Comment
  UCR133043  Diplotaxis muralis O. F. Clarke 2002-5-1 s.n. Riverside Riverside; UCR Botanical Garden 351 Comment
  UCR207623  Distichlis spicata 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
  UCR76160  Distichlis spicata A. C. Sanders 1993-4-1 13659 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
  RSA567658  Ditaxis lanceolata A. C. Sanders, E. J. Lawlor 1992-4-4 12108 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  SEINET10453841  Ditaxis lanceolata Chris Dietrich, Mary Merello; Heidi H. Schmidt 1994-4-12 Dietrich 27 Riverside 9 miles north-northwest of Indio, off Dillon Road 1.9 miles northeast on Berdoo Canyon Road (J241). BLM land. Desert Access Guide Map #17. Along gravelly wash in creosote bush scrub. 380 Comment
  UC311627  Ditaxis lanceolata Theodore Labouchere April, 1915 204 Riverside near mouth of Chino Canyon; Colorado Desert, e. base San Jacinto Mt., not far from Palm Comment
  UCR104601  Ditaxis lanceolata James C. Dice, C. Barrows, K. Nicol, I. Eleck 1997-11-6 97116 - Riverside Coachella Valley, La Quinta, just west of Avenida Montezuma and Calle Nogales, E foot of Indio Mtn. 61 Comment
  SEINET1109560  Ditaxis neomexicana George K. Helmkamp 1998-1 3180 Riverside Sonoran (Colorado) Desert: 2.3 mi. N of Hwy I-10 on nEagle Mtn Rd. 274 Comment
  UC604847  Ditaxis neomexicana Roxana S. Ferris and Ruth P. Rossbach 1938-5-15 9517 Riverside 19 mi. from Cottonwood Springs (n. edge Pinto Basin); n. edge Pinto Basin Comment
  CAS-BOT-BC43653  Dithyrea californica Alice Eastwood 1913-4-30 2987 Riverside Palm Springs. Comment
  RSA3977  Dithyrea californica C. B. Wolf 1932-4-29 3115 Riverside Eastern Colorado Desert, 3 miles S of Rice on the Blythe road. 213 Comment
  UC68559  Dithyrea californica H. M. Hall 1905-4-15 5772 Riverside Indian Well Colorado Desert Comment
  UCR196385  Dithyrea californica Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Pesach Lubinsky 2005-2-10 1427 Riverside Northeastern Colorado Desert, along Palen Pass Road, near Hwy 177 170 Comment
  UCR216215  Dithyrea californica Jim Andre, T. La Doux 2009-2-25 10823 Riverside Sonoran (Colorado) Desert, Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center 129 Comment
  POM13670  Dodecatheon alpinum subsp. majus P. A. Munz 1922-7-6 5993 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  RSA342815  Downingia cuspidata R. F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 51982 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  CAS-BOT-BC41631  Draba corrugata var. saxosa Winifern W. Swarth 1914-9-14 s.n. Riverside San Jacinto Mountains. San Jacinto Peak. 3293 Comment
  RSA0102549  Draba cuneifolia Duncan S. Bell 2010-10-23 1989 Riverside Arica Mountains; within the Palen/McCoy Wilderness area; collecting in the central section of the range to the west of Priest Mine. 420 Comment
  RSA775294  Draba cuneifolia Duncan S. Bell, The Habitat Work Organization 2011-3-19 2063 Riverside West side of the Chuckwalla Mountains; north of Red Cloud Mine Road; approximately 1 air mile southwest of Lost Pony Mine. 599 Comment
  SD9890  Dryopteris arguta F. Youngberg 1933-8-28 Riverside San Jacinto Mountains, Creek - Idyllwild Comment
  UC2059985  Dudleya abramsii K. Nakai 1981-1-22 703 Riverside San Bernardino Mountains, N shore of Lake Baldwin, 1.4 mi E of junction of Highway 18 & 38 on Highway 18. Comment
  RSA180422  Dudleya edulis E. W. Lathrop 1965-4-25 5698 Riverside 4 miles southwest of Murrieta on the De Luz Road. Comment
  CAS-BOT-BC411414  Dudleya lanceolata Reid Moran 1946-5-25 2057 Riverside S slope of Box Springs Mountain 548 Comment
  UCR127557  Dudleya lanceolata A. C. Sanders, T. B. Salvato 2003-5-21 26788 Riverside Elsinore Valley, Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  SD137796  Dudleya pulverulenta subsp. pulverulenta Darin L. Banks, Steve Boyd 1995-10-17 818 Riverside Northwest Palomar Muntains; Agua Tibia Mountains; Agua Tibia Wilderness Area, along lower Arroyo Seco, south of the Dripping Springs Campgroun 525 Comment
  LA104955  Dudleya saxosa subsp. aloides Kei Nakai; 1980-12-25 688 Riverside San Jacinto Mountains, 4.0 mi. W of Mountain Center on S side of Hwy 74 1219 Comment
  RSA164074  Dudleya saxosa subsp. aloides Donald W. Kyhos 1960-06 2 Riverside Bed of San Gorgonio River 2 mi. N or Banning. Comment
  RSA397784  Dudleya saxosa subsp. aloides Christopher Davidson, B. Gustafson 1977-4-7 5591 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
  RSA776823  Dudleya saxosa subsp. aloides Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-5-16 1252 Riverside Haugen Lehmann off I-10, Pacific Crest Trail (PCT) in canyon directly W. of Whitewater. Comment
  SD119401  Dudleya saxosa subsp. aloides Reid Moran 1960-8-10 8366 Riverside San Jacinto Mountains; near Alvin Meadow. 1525 Comment
  UCR272826  Dudleya saxosa subsp. aloides Mitch Provance, Justin E. Smith 2015-7-22 715- 01 Riverside San Jacinto Mountains, Stone Creek, about 0.6 mi. WSW of Alhatti Christian Resort and Hwy 243 1601 Comment
  RSA0125228  Echinocereus engelmannii var. engelmannii Marc Baker, Michelle Cloud-Hughes 17368 .1 Riverside Along Morris Ranch Road, 640m NNE of Kenworthy Station, 3.5km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain, 16km SW of Idyllwild. 1445 Comment
  RSA0125246  Echinocereus engelmannii var. engelmannii H. G. Rush 1951-6-6 184 Riverside Big Maria Mountain Range. 35 miles north of Blythe on Highway 95. 91 Comment
  UCR246423  Echinochloa colona S. J. Myers 2013-10-10 s.n. Riverside Perris-Aguanga Basin Region, Moreno Valley, intersection of Kitching St. and Globe St., between Perris Blvd. and Lake Perris, N of Ramona Expressway 447 Comment
  RSA370868  Echinochloa crus-galli R. F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61273 Riverside Sandia Canyon, De Luz-Murrieta Road 260 Comment
  SBBG129040  Echinochloa crus-galli D. Duguma 2013-7-7 Riverside Prado wetlands near Corona 155 Comment
  RSA0086967  Echinochloa crus-galli var. zelayensis H. de Forest, Jack Rumpel 1933-10-29 s.n. Riverside Snow Creek Canyon, San Bernardino Mts. 548 Comment
  CLARK-A1528-97  Echinodorus berteroi Ruth Cooper 1941-6-8 67 K Riverside Perris Comment
  POM301711  Echinodorus berteroi J. C. Roos 1937-6-7 2236 Riverside San Jacinto Valley. Comment
  UCR220116  Elatine D. E. Bramlet 1992-4-23 2240 Riverside Peninsular Range; Perris-Aguanga Basin Region, 7.5 km SW of Hemet, just east of California Ave and c. 100 m north of the ATSF RR tracks, NE of the intersection of California Ave. and Marvin Hull Road and c. 300 m west of the MWD Canal 453 Comment
  SEINET11987369  Elatine californica R. F. Thorne 1969-1 37967 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California 625 Comment
  RSA365354  Eleocharis geniculata Anstruther Davidson 1904-5-1 1100 Riverside Murray Canyon, Palm Springs. Comment
  RSA615065  Eleocharis geniculata A. C. Sanders, P. J. MacKay, G. K. Helmkamp, J. M. Stewart, C. L. Sanders 1994-12-4 15888 Riverside Colorado Desert, Salton Sink: Dos Palmas Spring and immediate vicinity., 33 deg 30.16 N, 115 deg 49.9 W -30 Comment
  UC68611  Eleocharis macrostachya H. M. Hall 1905-4-27 5919 Riverside Paloverde Valley Colorado Desert 76 Comment
  UCR220323  Eleocharis macrostachya D. E. Bramlet 1992-4-3 2207 Riverside Perris-Aguanga Basin Region, 7.5 km SW of Hemet, just east of California Ave and c. 100 m north of the ATSF RR tracks, NE of the intersection of California Ave. and Marvin Hull Road and c. 300 m west of the MWD Canal 453 Comment
  POM250495  Eleocharis parishii I. W. Clokey, E. G. Anderson 1935-8-21 6564 Riverside Hemet Lake. 1320 Comment
  RSA737354  Eleocharis parishii Justin M. Wood 2008-9-19 139 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  SD137954  Elymus condensatus Darin L. Banks 1995-10-17 786 Riverside Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; along lower Arroyo Seco, S of the Dripping Springs Campground, on broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  RSA33603  Elymus elymoides N. C. Cooper 1944-5-20 1261 Riverside Palms to Pines Highway [Hwy 74], San Jacinto Mountains. 1280 Comment
  UCR96426  Elymus elymoides Scott D. White 1996-8-1 4404 A Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  UC37017  Elymus trachycaulus H. M. Hall June, 1901 2174 Riverside Thomas Valley San Jacinto Mountains 1371 Comment
  RSA221007  Emmenanthe penduliflora E. W. Lathrop 1966-3-23 6081 Riverside Skyline Drive, 4 mi. W of Corona, Tine Mine Canyon 305 Comment
  UC880684  Emmenanthe penduliflora C. L. Hitchcock 1940-4-1 5900 Riverside 1 mi below Cottonwood Springs; Joshua Tree National Monument Comment
  UCR174107  Emmenanthe penduliflora A. C. Sanders 2006-5-19 32424 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
  UCR22481  Emmenanthe penduliflora C. S. Jones 1979-3-27 23 Riverside Sonoran (Colorado) Desert, SE facing canyon about 0.5 mi north of unnamed dirt road c. 5 mi north of I-10, 4 mi west of Desert Center 442 Comment
  UCR93028  Emmenanthe penduliflora G. P. Schultz 1994-4-8 61 Riverside Box Springs Mtns., mouth of Two Trees Canyon ( on the north side of the stream, in an open field) 410 Comment
  UCSB5253  Emmenanthe penduliflora Sage, Paul 1958-3-21 Riverside In Whitewater Canyon, east side of wash, off road up canyon 1.6 mi. from its jct. with U.S. 60 426 Comment
  JEPS34123  Encelia actoni Marjorie D. Clary 1933-5-7 2680 Riverside road to Dos Palmas Spring; Colorado Desert, Santa Rosa Mountains 1066 Comment
  RSA673474  Encelia actoni Scott D. White, Tasha La Doux 2000-4-20 7711 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills. 610 Comment
  UC495322  Encelia actoni P. A. Munz 1932-4-24 12399 Riverside Snow Creek Canyon San Jacinto Mts., Snow Creek Canyon 457 Comment
  UCD131194  Encelia actoni Scott D. White; Angelina Carey 2004-9-16 10751 Riverside San Jacinto Mountain: along Poppet Creek NE of San Jacinto River. 561 Comment
  UCR150016  Encelia actoni Scott D. White, Angelia Carey 2004-4-16 10165 Riverside San Jacinto Mountain foothills, Indian Creek and adjacent slopes 610 Comment
  CAS-BOT-BC131334  Encelia farinosa C. F. Baker 1903-4-4 4151 Riverside Elsinore Comment
  CDA4567  Encelia farinosa T. C. Fuller 1962-4-3 7984 Riverside South of Highway 99 to Palm Springs, 4.7 miles east of Cabazon, head of the Coachella Valley. 0 Comment
  HSC87147  Encelia farinosa Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2142 Riverside N end of the Palen Mtns., 2 mi. W of Palen Pass 300 Comment
  JOTR34377  Encelia farinosa Andre, Jim 2012-4-16 20897 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  UC665885  Encelia farinosa Ira L. Wiggins 1941-3-24 9577 Riverside along e side of Salton Sea, 2.7 mi s Mortmar,; Salton Sea Comment
  POM6935  Encelia farinosa var. farinosa P. A. Munz, L. T. Street 1919-5-7 2721 Riverside Mouth of Tahquitz Canyon. Comment
  POM7902  Encelia farinosa var. phenicodonta P. A. Munz, R. D. Harwood 1920-4-2 3568 Riverside Colorado Desert, near Blythe. 152 Comment
  RSA515198  Encelia farinosa var. phenicodonta Steve Boyd, Orlando Mistretta 1986-3-13 1470 Riverside West side Palen Mts.: NE of Desert Center. Comment
  UCR60770  Encelia farinosa var. phenicodonta Steve Boyd, O. Mistretta 1986-3-13 1470 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  JEPS49123  Ephedra W. L. Jepson 1928-4-23 12566 Riverside Cottonwood Spring Colorado Desert, Eagle Mts., Cottonwood Spring 731 Comment
  POM14367  Ephedra aspera Philip A. Munz, D. Keck 1922-4-9 4789 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  RSA85057  Ephedra aspera F. W. Peirson 1922-4-9 3339 Riverside Andreas Canyon near Palm Springs. 426 Comment
  CAS-BOT-BC81547  Ephedra californica Philip A. Munz 1940-3-22 15657 Riverside [Whitewater] White Water Canyon, 2 miles north of Banning-Indio boulevard Comment
  OBI7492  Ephedra californica H. E. McMinn 1937-3-5 4474 Riverside 5 I E of Banning Comment
Read comments
Feb 14 2013
  SEINET8714360 Image available Ephedra californica F. A. Thackery 1928-1 254 A Riverside White Water Comment
  UCSB38735  Ephedra nevadensis Cowan, Clark 1978-4-23 Riverside 12.1 mi (19.2 km) S on Hwy 74 from jct. with Hwy 111 at Indian Wells 950 Comment
  UCR269208  Ephedra trifurca Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood 2011-4-6 987 Riverside Southcentral Mojave Desert, Iron Mountains, on southwest side of mountains in drainage on either side of the road 419 Comment
  POM230606  Ephedra viridis I. W. Clokey 1935-4-17 6509 Riverside Cottonwood Springs. Colorado desert. Comment
  UCR266604  Epilobium campestre Mitch Provance 2011-6-6 17003 Riverside Edgemont area of Moreno Valley, from the northbound I-215 onramp at Allesandro Blvd., east to Old 215 Frontage Rd. 466 Comment
  RSA589085  Epilobium canum subsp. canum D. L. Banks, Steve D. Boyd 1995-10-17 796 Riverside NW Palomar Mountains. Agua Tibia Mountains. Cleveland National Forest. Agua Tibia Wilderness Area. Along lower Arroyo Seco. S of the Dripping Springs Campground., Along the narrow benches where Arroyo Seco turns E, just W of the Metasedimentary hills. 524 Comment
  CAS-BOT-BC171741  Epilobium canum subsp. latifolium S. B. Parish 1916-5-13 10859 Riverside Cottonwood Springs, Colorado Desert 792 Comment
  CAS-BOT-BC171747  Epilobium canum subsp. latifolium Lewis S. Rose 1935-12-18 35656 Riverside Tahquitz Canyon, Palm Springs, Colorado Desert 182 Comment
  POM158194  Epilobium ciliatum subsp. ciliatum P. A. Munz, I. M. Johnston 1928-9-6 11277 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  CLARK-A1528-3377  Epipactis gigantea John C. Roos 1941-8-2 87 Riverside San Jacinto Mountains 2133 Comment
  CAS-BOT-BC57248  Equisetum laevigatum Louis C. Wheeler 1932-7-9 935 Riverside Santa Ana River at Chino Creek 182 Comment
  RSA627505  Equisetum laevigatum Scott D. White 1998-7-31 6945 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Drive and Hymber Park. 1707 Comment
  SDSU13549  Equisetum laevigatum W. Miller, C. Mosse 1972-7-13 Riverside 100 yards west of M.W.D. station. Comment
  UCR2388  Eragrostis pectinacea var. pectinacea F. M. Reed 1904-8-10 85 Riverside Riverside Comment
  UC68598  Eremalche exilis H. M. Hall Apr. 1905 5928 Riverside McCoy Wash Colorado Desert, McCoy Wash 91 Comment
  UCR20767  Eremalche exilis A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1333 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  UCR214881  Eremalche exilis A. C. Sanders 2010-3-23 37550 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  UCR26781  Eremalche exilis A. C. Sanders 1982-3-30 2442 Riverside Sonoran (Colorado) Desert, Palm Desert, Monterey Avenue, c. 0.1 mi. south of Country Club Drive, opposite Sagewood Drive. 122 Comment
  RSA23236  Eremalche rotundifolia Ernest Braunton 1940-3-4 2026 Riverside 5 mi. East of Shaver s Well. Comment
  UC1551914  Eremalche rotundifolia David Charlton 1988-2-18 1140 Riverside s. of Joshua Tree Nat'l Park (Fargo Canyon Rd. to Cottonwood Wash, parallel to I-10, 1 mi. e. of junction Dillon Rd. and Fargo Canyon Rd.); s. side Little San Bernardino Mts. Comment
  UCR19099  Eremalche rotundifolia John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 miles southeast of Desert Center 366 Comment
  UCR279597  Eremalche rotundifolia A. C. Sanders, Jim Malusa 2017-3-28 43164 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-BC168359  Eremogone ferrisiae Reid Moran 1968-8-3 15366 Riverside North slope 1 mile west of summit, Santa Rosa Mtn. 2150 Comment
  UCSB10040  Eremothera boothii subsp. condensata Haller, John 1960-4-2 Riverside Lower slopes of Orocopia Mountains, 1.5 mi S of the junc. of U.S. 60-70 and the S entrance road to Joshua Tree Natl. Mon. 579 Comment
  SEINET3996437  Eremothera boothii subsp. condensata E. Neese 1979-4-10 7072 Riverside Joshua Tree Nat. Mon. s of Twenty-nine Palms, near Cottonwood Sp. 305 Comment
  UCR279387  Eremothera chamaenerioides A. C. Sanders, Jim Malusa 2017-3-24 42984 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in canyon draining south toward Iris Wash, c. 3.5 km ESE of Iris Pass 701 Comment
  RSA0126636  Eremothera refracta Duncan S. Bell 2016-3-4 8801 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
  UCR279336  Eremothera refracta A. C. Sanders, Jim Malusa 2017-3-23 42921 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 2.3 miles east of Iris Pass 787 Comment
  CAS-BOT-BC187927  Eriastrum densifolium subsp. austromontanum Kerry Knudsen; Petra Wester 2004-5-8 9001 Riverside Along Highway 74 on the Santa Rosa Mountain Grade, ca. 0.8-0.5 mile NE of Black Hills 853 Comment
  RSA0108902  Eriastrum densifolium subsp. austromontanum Robert Kessler 1920-1 17054 Riverside San Jacinto Mts. Comment
  JOTR16796  Eriastrum densifolium subsp. elongatum Baker, James K. & Baker, Ilisa T. 1966-6-17 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS Comment
  UCR88118  Eriastrum eremicum A. C. Sanders, G. Nuhn 1995-4-20 16582 Riverside Sonoran (Colorado) Desert, Coachella Valley, near Fan Hill, NE of Dillon Road on an abandoned road, below Little San Bernardino Mtns. NE of 1000 Palms 549 Comment
  RSA0120682  Eriastrum harwoodii Carl B. Wolf 1932-4-29 3119 Riverside Eastern Colorado Desert, 3 mi south of Rice on the Blythe road. 213 Comment
  UCR172231  Eriastrum sapphirinum John F. Green 2006-5-10 s.n. Riverside Peninsular Ranges, City of Murrieta; south of the Hogbacks. north of Hunter Road to Ramage Lane, between Calle de Amor on the E and Springview/Kiwebre Road on the W 402 Comment
  UCR220118  Eriastrum sapphirinum D. E. Bramlet 1989-4-7 1820 Riverside Peninsular Range; Perris-Aguanga Basin region, Lake Skinner County Park, southeast slope of Bachelor Mountain, c. 3000 ft. west of Rawson Canyon & 2000 ft. north of Lake Skinner 488 Comment
  UCR233085  Eriastrum sapphirinum T. B. Salvato 2011-6-12 5463 Riverside Peninsular Range, Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  UCR261506  Eriastrum sapphirinum A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-19 41728 Riverside Temesal Canyon, west side of Horse Thief Canyon Rd. just south of DePalma Rd., Horsethief Canyon wash 392 Comment
  UCR261867  Eriastrum sapphirinum subsp. dasyanthum Tim Thomas, J. Vollmar 2014-5-9 6307 Riverside Banning Pass; San Gorgonio River channel on south side of I-10 627 Comment
  RSA0122010  Eriastrum sapphirinum subsp. dasyanthum Robert L. Dressler 1949-5-8 812 Riverside 6 miles SW of Perris. 488 Comment
  JEPS122467  Eriastrum sapphirinum subsp. sapphirinum J. M. Andre 2012-6-15 30544 Riverside San Jacinto Mountains; west slopes of range slong Poppet Flat Road, Poppet Creek Canyon, 3.2 miles west of Highway 243. Lake Fulmor 7.5' Q. Comment
  CAS-BOT-BC515047  Eriastrum sapphirinum subsp. sapphirinum D. E. Breedlove 1961-8-5 948 Riverside San Jacinto Mts., Along State Hwy 74, 5 mi E of Keen Camp, Hemet Valley 1341 Comment
  LA202470  Ericameria linearifolia K. Watkins; Elizabeth McClintock 1937-4-10 sn Riverside Palms to Pines highway near road to Shumay Comment
  UCR163401  Ericameria linearifolia O. F. Clarke 2002-3-15 s.n. Riverside San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  UC729926  Ericameria nauseosa var. oreophila Carl B. Wolf 1932-7-18 Riverside Rancho Sanata Ana Botanic Garden Comment
  RSA714429  Ericameria palmeri var. pachylepis A. C. Sanders 2004-5-11 27853 Riverside Elsinore Basin Region: Alberhill Mountain, lower south-facing slopes southeast of the clay mining area. 450 Comment
  RSA741266  Ericameria parishii Scott D. White, Justin M. Wood 2008-7-10 12453 Riverside San Jacinto Mountains: Fobes Spring 1500 Comment
  RSA594512  Ericameria pinifolia D. L. Banks, Dylan Hannon 1996-5-3 0999 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
  SDSU12965  Erigeron canadensis Michael G. Simpson 1999-10-27 2036 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  UCR122520  Erigeron divergens George K. Helmkamp, E. A. Helmkamp 2001-5-20 6687 Riverside San Jacinto Mountains, Morris Ranch Rd., 2.1 mi NE of CA-74 1570 Comment
  POM97995  Erigeron divergens E. C. Jaeger 1926-4-15 s.n. Riverside Desert Queen Mine 1220 Comment
  CAS-BOT-BC296241  Erigeron foliosus var. foliosus F. Grinnell 1908-7-1 s.n. Riverside Strawberry Valley, San Jacinto Mts. 1828 Comment
  JEPS23546  Erigeron foliosus var. foliosus Peter H. Raven 1958-5-17 12935 Riverside 3.4 mi se Banning (on road to Idyllwild); San Jacinto Mountains Comment
  POM251759  Eriochloa acuminata A. R. Roos 1937-11-22 7 Riverside East washington Ave., Riverside. Comment
  RSA0119984  Eriodictyon crassifolium Duncan S. Bell, Thomas Stoughton 2016-4-13 9267 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  UCR898  Eriodictyon crassifolium var. crassifolium John Milbauer 1976-5-1 s.n. Riverside San Jacinto Mtns., 4 mi. SE of Banning on Hwy 243 915 Comment
  CAS-BOT-BC188969  Eriodictyon parryi H. M. Hall 1901-7-1 2502 Riverside Vicinity of Strawberry Valley 1828 Comment
  RSA608184  Eriogonum R. S. Woglum 1939-4-11 2217 Riverside Sonoran Desert: Near Rice, Coxcomb Tunnel. Comment
  CAS-BOT-BC248617  Eriogonum apiculatum E. L. Peterson 1931-9-5 s.n. Riverside Coldwater Canyon, San Jacinto Mts. 1524 Comment
  CAS-BOT-BC248624  Eriogonum apiculatum Louis C. Wheeler 1931-10-3 233 Riverside 1 1/2 mi. NW Tahquitz Peak, San Jacinto Mts. 1889 Comment
  CAS-BOT-BC248629  Eriogonum apiculatum Philip A. Munz 1937-5-30 15110 Riverside Dos Palmos Spring, north end Santa Rosa Mts. 1097 Comment
  CAS-BOT-BC248630  Eriogonum apiculatum James L. Reveal; Caroline G. Reveal 1972-8-9 2861 Riverside San Jacinto Mountains, along California Highway 243, 4.4 miles north-northwest of Idyllwild, 8.9 miles north of the junction with Highway 74, and 1 mile south of Alandale Ranger Station Comment
  RSA0103621  Eriogonum apiculatum Duncan S. Bell, Sarah DeGroot 2015-9-21 8646 Riverside Santa Rosa Mountains; north side of Asbestos Mountain, approximately 0.5 air mile east of Potrero Spring. 1147 Comment
  UC1395196  Eriogonum apiculatum James L. Reveal, Caroline G. Reveal 1972-8-9 2861 Riverside 4.4 mi nnw, along California Highway 243 Idyllwild (8.9 mi n of the junction with Highway 74, and 1 mi s of Alandale Ranger Station); San Jacinto Mountains Comment
  UCR150055  Eriogonum apiculatum L. C. Wheeler 1945-10-7 6412 Riverside San Jacinto Mountains, divide between West Fork Snow Creek and North Fork San Jacinto River 2378 Comment
  GMDRC3111  Eriogonum davidsonii J. Andre, T. La Doux 2008-9-13 10278 Riverside Little San Bernardino Mountains: Joshua Tree National Park: Upper Wilson Canyon on E. side of paved Hwy.. Elev. 3252 ft. 991 Comment
  SEINET269566  Eriogonum davidsonii G. R. Ballmer, K. T. Stockwell 1995-6-24 Riverside San Jacinto Mountains: along trail from Mason Ranch Road to Pacific Crest Trail near Pyramid Peak 1981 Comment
Read comments
Jul 6 2014
  UCR35100  Eriogonum davidsonii L. B. Ziegler 1964-7-20 32 Riverside San Jacinto Mountains, Garner (Hemet) Valley Comment
  CAS-BOT-BC256127  Eriogonum deflexum var. deflexum Annie M. Alexander; Louise Kellogg 1941-5-28 2264 Riverside 2 miles east of Shaver Summit, Colorado Desert Comment
  CAS-BOT-BC256132  Eriogonum deflexum var. deflexum John Thomas Howell 1928-11-4 4083 Riverside Hidden Spring Canyon at Hidden Spring, 13 miles se. of Mecca, Chocolate Mts. Comment
  SD229228  Eriogonum elongatum var. elongatum Dick Schwenkmeyer 2012-8-7 790 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  UCR112312  Eriogonum fasciculatum subsp. foliolosum A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23446 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
  POM2247  Eriogonum fasciculatum var. foliolosum I. M. Johnston 1918-5-30 s.n. Riverside Temecscal Canyon (near Lee Lake). 335 Comment
  RSA393430  Eriogonum fasciculatum var. foliolosum N. C. Cooper 1944-7-15 1576 Riverside Banning. 701 Comment
  LA206795  Eriogonum fasciculatum var. polifolium Norman C. Cooper; 1944-4-8 1080 Riverside Andreas Canyon 304 Comment
  POM230616  Eriogonum fasciculatum var. polifolium I. W. Clokey, E. G. Anderson 1935-8-21 6592 Riverside Keen Camp P. O. 1360 Comment
  RSA78791  Eriogonum fasciculatum var. polifolium Percy C. Everett, E. K. Balls, L. W. Lenz 1952-7-1 17266 Riverside 3 mi. S along banning to Idyllwild. 915 Comment
  UC849406  Eriogonum fasciculatum var. polifolium Alice Eastwood 1913-4-30 3020 Riverside Palm Springs Comment
  UCR150008  Eriogonum fasciculatum var. polifolium Scott D. White, Angelia Carey 2004-4-16 10168 Riverside San Jacinto Mountain foothills, Indian Creek and adjacent slopes 610 Comment
  CLARK-A1528-739  Eriogonum gracile Charlotte Stocks 1964-8-24 Riverside San Jacinto Mountains 1066 Comment
  UCR162622  Eriogonum gracile S. J. Myers 2005-10-6 s.n. Riverside Perris-Aguanga Basin, Noble Creek near Hwy I-10 at San Timoteo Canyon Road/Oak Valley Parkway 762 Comment
  UCSB1429  Eriogonum gracile Munz, Philip; Johnston, D. 1928-9-12 Riverside Temescal Cyn Comment
  UCSB37820  Eriogonum gracile Sanders, A. 1980-7-18 Riverside San Jacinto Mountains; Thomas Mountain; Thomas Mtn. campground to the summit at the lookout 2072 Comment
  RSA487231  Eriogonum gracile var. incultum James L. Reveal, C. Rose Broome 1987-6-27 6602 Riverside San Gorgonio Pass, along the road to Dunkel Spring (Esperanza Avenue) southeast of Cabazon in the riverbed of the San Gorgonio River. 541 Comment
  CAS-BOT-BC257575  Eriogonum inflatum Philip A. Munz 1937-5-29 15145 Riverside Dead Indian Creek, north base, Santa Rosa Mts. 457 Comment
  UCR126425  Eriogonum inflatum T. B. Salvato, A. C. Sanders, Mitch Provance 2000-4-18 54 Riverside Coachella Valley, 2 mi NE of Mecca near mouth of Painted Canyon at foot of Mecca Hills, W edge of Coachella Canal 9 Comment
  RSA393576  Eriogonum inflatum var. inflatum N. C. Cooper 1944-5-6 1165 Riverside Whitewater Canyon. 457 Comment
  RSA393578  Eriogonum inflatum var. inflatum N. C. Cooper 1949-4-8 3264 Riverside Mecca Pass east of Indio. 610 Comment
  SBBG25142  Eriogonum inflatum var. inflatum D. Myrick 1966-4-1 1321 Riverside Desert Hot Springs, adjoining Linda Vista Lodge Comment
  SBBG97159  Eriogonum inflatum var. inflatum W. L. Halvorson 1977-2-15 77 -23 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  POM250544  Eriogonum molestum I. W. Clokey, E. G. Anderson 1935-8-21 s.n. Riverside East of Keen Camp P.O. 1370 Comment
  RSA393694  Eriogonum molestum N. C. Cooper 1944-7-15 1596 Riverside Palms to Pines Highway, San Jacinto Mountains. 1372 Comment
  CAS-BOT-BC269780  Eriogonum nudum var. pauciflorum H. M. Hall 1901-7-1 2504 Riverside San Jacinto Mountains 1645 Comment
  RSA491781  Eriogonum nudum var. pauciflorum James L. Reveal, Caroline G. Reveal 1972-8-9 2869 Riverside Along California Highway 243, about 0.1 miles northwest of the Vista Grande Ranger Station at the turnoff to Indian Creek. Comment
  UCR17518  Eriogonum nudum var. pauciflorum Frank C. Vasek 1979-7-26 790726- 01 Riverside Santa Rosa Mtns, Vicinity of Virgin Spring and Stump Spring 2348 Comment
  UCR24265  Eriogonum nudum var. pauciflorum John C. Roos 1943-10-16 2740 Riverside Southern Mojave Desert, Falcon Flats, Little San Bernardino Mtns 1524 Comment
  SEINET5330942  Eriogonum nudum var. pubiflorum I. W. Clokey, E. G. Anderson 1935-8-21 6590 Riverside Keene Camp P.O., Hillside 1425 Comment
  CLARK-A1528-5182  Eriogonum parishii John C. Roos 1946-8-27 2921 Riverside Santa Rosa Mountains 2194 Comment
  CAS-BOT-BC258241  Eriogonum pusillum Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  CLARK-A1528-3702  Eriogonum reniforme John C. Roos 1937-4-23 1818 Riverside Dry Morongo Canyon Comment
  CAS-BOT-BC268554  Eriogonum saxatile Edmund C. Jaeger 1939-5-20 s.n. Riverside 15 miles south of Warren's Well, Mohave [Mojave] Desert 1219 Comment
  CAS-BOT-BC263527  Eriogonum thomasii Cecil Hart 1926-3-9 s.n. Riverside Between Whitewater and Indio Comment
  CAS-BOT-BC263532  Eriogonum thomasii S. B. Parish 1906-5-1 440 -6741 Riverside Colorado Desert at Palm Springs Comment
  POM13308  Eriogonum thomasii E. C. Jaeger 1921-5-20 1072 Riverside Palm Springs. Comment
  UCR148306  Eriogonum thomasii John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  UC412809  Eriogonum thurberi R. L. Pendleton 1906-5-27 966 Riverside Santa Ana River above Salt Lake bridge; Santa Ana River Comment
  UCR18275  Eriogonum thurberi Helen Leach 1966-5-31 s.n. Riverside Santa Ana Riverbottom between Pedley (Van Buren) and Rubidoux (Mission) Bridges 244 Comment
  OBI10923  Eriogonum wrightii var. membranaceum Louis C. Wheeler 1931-10-3 181 Riverside Strawberry Valley, San Jacinto Mts 1585 Comment
  POM204400  Eriogonum wrightii var. membranaceum F. M. Reed 1932-9-26 7317 Riverside Palms to Pines, road on Santa Rosa Indian Reservation. 1220 Comment
  RSA761157  Eriogonum wrightii var. membranaceum Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 688 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR22009  Eriogonum wrightii var. membranaceum Steve Boyd 1980-9-1 341 Riverside Harford Springs County Park. Located on the NW corner of the Gavilan Plateau. Along old dirt roadbed, S border. Comment
  POM123233  Eriogonum wrightii var. nodosum Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. 61 Comment
  UCR259110  Eriogonum wrightii var. nodosum John F. Emmel 1995-4-22 1369 Riverside Sonoran (Colorado) Desert, McCoy Mountains, north end; canyon 0.6 air mile west of Arlington Mine 579 Comment
  JOTR16821  Eriogonum wrightii var. wrightii Baker, James K. & Baker, Ilisa T. 1966-10-19 s.n. Riverside Joshua Tree National Park. 1/2 MILE SOUTH OF DESERT QUEEN MINE 1341 Comment
  SEINET10854353  Eriophyllum ambiguum A. K. Evans 1976-4-13 Evans 5202 Riverside Desert canyons of Santa Rosa Mountains Comment
  POM230187  Eriophyllum confertiflorum I. W. Clokey 1935-4-18 6949 Riverside Gavilan Peak 600 Comment
  SD126657  Eriophyllum confertiflorum Ed LaRue 1989-4-25 Riverside 2 miles northwest of Lake Elsinore, adjacent to Cleveland National Forest at mouths of Rice and McVicker Canyons. 490 Comment
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Nov 17 2011
  SD63343  Eriophyllum confertiflorum Walter Bertsch 1957-6-29 956 Riverside Desert slope of Toro Peak, Santa Rosa Mountains 2440 Comment
  UCSB6520  Eriophyllum confertiflorum Kamb, Peter 1947-6-7 Riverside Arid Transition Zone; Hall Canyon, San Jacinto Mts. 1645 Comment
  UC1257338  Eriophyllum confertiflorum var. confertiflorum E. L. Koethen 1897-8-1 20 Riverside Riverside Comment
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Nov 20 2015
  UCR279417  Eriophyllum lanosum A. C. Sanders, Jim Malusa 2017-3-25 42993 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  HSC93125  Eriophyllum multicaule Karen Kirtland 1993-4-17 Riverside Hills N of Temecula Comment
  RSA182343  Eriophyllum multicaule J. D. Olmsted 1962-5-2 3435 Riverside By saddle just N of highest part of Box Spring Mountains. 777 Comment
  RSA519250  Eriophyllum multicaule 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
  UCR34870  Eriophyllum multicaule L. B. Ziegler 1967-6-19 167 Riverside San Jacinto Mtns., Bautista Creek Canyon 762 Comment
  UCR34871  Eriophyllum multicaule L. B. Ziegler 1969-4-25 348 Riverside San Jacinto Valley, hills on west side of valley in Coyote Pass area 518 Comment
  JOTR34404  Eriophyllum wallacei Andre, Jim 2012-4-16 20940 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
  RSA716391  Erodium cicutarium Scott D. White, Angelia Carey 2004-4-5 9984 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR103274  Erodium cicutarium B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3574 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  SEINET10895417  Erodium moschatum Nye Leith, Greg Gust 2005-3-11 Nye 60 Riverside Lake Elsinore. Intersection of Malaga and Mission Trail Rd. 398 Comment
  UCR241246  Erodium moschatum T. B. Salvato, Tracy Tennant 1998-4-16 MOR- 1212 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Potrero Canyon about 1 mile above locked gate, east side of road near old corrals, tree stand P-03 976 Comment
  RSA674687  Erodium texanum Scott D. White 2001-4-27 8425 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway ca. 15 miles east of the Indio jtn. of I-10/ SR-111. Bajadas and washes adjacent to powerline access roads near unnamed freeway exit accessing pump station. 396 Comment
  RSA102130  Erysimum capitatum var. capitatum G. B. Rossbach 1955-4-28 585 Riverside 2 mi. E of Santa Rosa Summit on Route 74, NW end of Santa Rosa Mountains. 1503 Comment
  RSA0020086  Erythranthe floribunda Scott D. White, Justin M. Wood 2008-6-19 12261 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. 1585 Comment
  SD137602  Erythranthe floribunda Steve Boyd 1995-4-24 8492 Riverside Agua Tibia Wilderness Area, northeastern base of Wildhorse Peak, west of Devil's Hole, along the Wildhorse Trail near peak known as Agua on USGS Vail Lake 7.5' quadrangle 762 Comment
  SD212732  Erythranthe guttata T. B. Salvato, John F. Green 2004-5-27 602 Riverside San Bernardino Mountains; head of Banning Canyon close to the San Bernardino County line, 0.5 mile southeast of Oak Glen Conservation Camp. 1402 Comment
  RSA0020066  Erythranthe guttata H. K. Wagnon 1944-3-12 340 Riverside west fork of Eagle Canon stream, between Palm Springs and Cathedral City. Comment
  JEPS121460  Eschscholzia minutiflora Adam C. Schneider with Will Freyman 2014-2-16 404 Riverside East side of Highway 177. Comment
  RSA445669  Eschscholzia minutiflora M. B. Dunkle 1932-3-25 2915 Riverside 10 miles NW of Indio. Colorado Desert. 30 Comment
  RSA550266  Eschscholzia minutiflora Walter Wisura, Michael Wall, John Dolan 1992-3-24 4630 Riverside Low desert: 10 mi NE of Mecca on Box Canyon Rd. Comment
  RSA727397  Eschscholzia minutiflora Naomi Fraga, Lisa Rojas 2005-2-10 1397 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  RSA776629  Eschscholzia minutiflora Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 943 Riverside Wash crossing Midland Rice Road, near saddle between Little Maria Mountains and Big Maria Mountains 320 Comment
  UCD95441  Eschscholzia papastillii P. C. Everett; E. K. Balls 1958-4-29 23013 Riverside U.S. Highway 60/70, Indio to Blythe, 1 mile west of Cactus City. 548 Comment
  CAS-BOT-BC419647  Eschscholzia parishii Richard Snow 1952-4-14 11 -4 Riverside Road to Morongo Valley, 7.8 miles from junction with Highway 99/60/70 Comment
  JOTR28874  Eschscholzia parishii La Doux, Tasha, Bill Truesdell 2004-3-17 1109 Riverside Joshua Tree National Park. Cottonwood Mtns; just north of southern boundary 563 Comment
  SBBG2341  Eschscholzia parishii H. and M. Dearing 1937-4-10 415 Riverside NW of Indio Comment
  UC855176  Eschscholzia parishii I. W. Clokey 1935-4-17 6631 Riverside Cottonwood Springs Comment
  SEINET10890746  Eucalyptus Nye Leith, Greg Gust 2005-3-11 Nye 56 Riverside Lake Elsinore. Ca. 2 miles SW of intersection of I-15 and Rt. 74. Hotel parking lot on Auto Center Dr. 399 Comment
  SEINET272340  Eucrypta chrysanthemifolia A. C. Sanders, G. Waines; B. Ehdai. 1997-3-12 19900 Riverside Lake Skinner area: upper Rawson Canyon 2.5 mi. NE of Skinner Lake 1 mi. SW of Crown Valley 595 Comment
  UCR87633  Eucrypta chrysanthemifolia A. C. Sanders 1994-5-30 14607 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  JOTR33749  Eucrypta chrysanthemifolia var. bipinnatifida La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2747 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  SEINET7048199  Eucrypta chrysanthemifolia var. chrysanthemifolia Steven R. Hill, Andrew C. Sanders 2001-5-4 33709 Riverside Santa Rosa Plateau, eastern rim, north side of Avenida del Oro, just east of junction with Sandia Creek Drive, 2 miles west of junction of Rancho California Road and Route I-15. Elevation 1570 - 1670 feet. 509 Comment
  RSA0121597  Eucrypta micrantha Duncan S. Bell, LeRoy Gross 2016-3-29 9105 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon just off of Martinez Canyon, approximately 5.75 air miles southeast of the summit of Martinez Mountain. 625 Comment
  UCR279338  Eucrypta micrantha A. C. Sanders, Jim Malusa 2017-3-23 42949 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
  RSA602915  Euonymus occidentalis C. Epling, Wm. Robison 1935-6-30 s.n. Riverside San Jacinto Mountains: North Fork San Jacinto River. Comment
  RSA0042104  Euphorbia eriantha Duncan S. Bell, Deidre Conocchioli 2014-3-11 6231 Riverside Santa Rosa Mountains; Devil's Canyon, northeast of Martinez Mountain. 207 Comment
  UC219165  Euphorbia incisa P. A. Munz, R. D. Harwood 1920-4-5 3556 Riverside Fig Tree Johns Springs -45 Comment
  RSA0043069  Euphorbia jaegeri Duncan S. Bell, LeRoy Gross 2014-3-20 6263 Riverside Orocopia Mountains; north section of range; 2.75 air miles southwest of Hayfields Lake. 511 Comment
  RSA716065  Euphorbia lathyris Scott D. White, Justin M. Wood 2006-9-13 11644 Riverside Perris Basin/San Jacinto Mtn Foothills: Gibbel Flat in the Santa Rosa Hills 610 Comment
  POM2677  Euphorbia lathyris Jenkins, L. T. Street 1956 Riverside San Jacinto River Canyon. Comment
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Mar 1 2014
  CAS-BOT-BC202547  Euphorbia misella Edmund C. Jaeger 1921-4-2 53 Riverside Whitewater Bench, Colorado Desert Comment
  UCD157859  Euphorbia polycarpa Ann F. Johnson 1975-11-11 N- 1299 Riverside Deep Canyon Research area, a biological field station of the University of California, Riverside and the Natural Reserve System; five miles south of the City of Palm Desert. Just SW of labs. Comment
  UCR31670  Euphorbia polycarpa John C. Roos 1947-11-1 3755 Riverside Sonoran (Colorado) Desert, Eagle Mountains, edge of Lost Palms Wash Comment
  UCR153426  Euphorbia polycarpa var. hirtella Scott D. White 2000-3-23 7635 Riverside Sonoran (Colorado) Desert, Coachella Valley, Thousand Palms area. North terminus of Rio del Sol Road at intersection with Vista Chino. Proposed aggregate mine expansion 183 Comment
  UCD142492  Euphorbia spathulata Robert F. Thorne; Earl Lathrop 1969-5-12 37934 Riverside Rancho California; Santa Rosa Plateau; Mesa de Colorado. 624 Comment
  PASA2353  Fagonia californica 1929-4-28 Riverside Hidden Springs Comment
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Jun 24 2016
  CAS-BOT-BC167367  Fagonia laevis Peter H. Raven 1958-1-23 11433 Riverside Desert alluvial fan of Fargo Canyon Comment
  JOTR31776  Fagonia laevis La Doux, Tasha, Jim Andre 2009-3-10 385 Riverside Joshua Tree National Park. South end of the Cottonwood Mountains, near Pinkham Wash just north of aquaduct just inside park boundary; approx. 7mi west of south entrance 541 Comment
  RSA457795  Fagonia laevis Steve D. Boyd, Richard Noyes, S. Meury, L. Arnseth, D. Nordin, Tim Ross 1988-3-10 2203 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  JEPS43389  Fagonia pachyacantha W. L. Jepson 1927-4-12 11662 Riverside ne of Mecca (Painted Canyon); Colorado Desert Comment
  JEPS43396  Fagonia pachyacantha Marjorie D. Clary 1932-5-11 1644 Riverside 2 mi sw, Coral Reef, on the Conchilla desert Coachella; Colorado Desert 0 Comment
  RSA605769  Fagonia pachyacantha A. C. Sanders 1995-5-23 17126 Riverside Colorado Desert, Coachella Valley: alluvial fans below the Santa Rosa Mtns, near the mouth of Martinez Cyn., at end of 72nd Ave. 25 Comment
  UCR269871  Fagonia pachyacantha A. C. Sanders, Jim Malusa 2016-3-18 42363 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  RSA0120132  Festuca arundinacea Duncan S. Bell, Thomas Stoughton 2016-4-13 9272 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  UCR214150  Festuca microstachys A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37714 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, 0.45 mi NNE (14 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 418 Comment
  UCR23935  Festuca myuros John C. Roos, L. Roos 1950-4-15 4741 Riverside Peninsular Range, Box Springs Mtns., Pigeon Pass 457 Comment
  UCR116970  Festuca octoflora A. C. Sanders, T. B. Salvato 2001-5-3 24095 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  GMDRC6590  Festuca perennis J. M. Andre 2012-6-15 30554 Riverside San Jacinto Mountains: west slopes of range along Poppet Flat Rd, Poppet Creek canyon, 3.2 mi. west of Hwy 243 1022 Comment
  UCR117676  Filago californica Scott D. White 1997-5-25 5228 Riverside San Jacinto Mtns, Bautista Canyon: Hixon Trail (USFS No. 2E43), between trailhead at Bautista Canyon Road and intermittent stream crossing at c. 3200 ft 976 Comment
  UCR133971  Filago californica Mitch Provance, J. S. Ross 1998-3-27 MOR- 944 Riverside San Bernardino Mtns., Morongo Indian Reservation, Lion Canyon, c. 1.2 miles NE of the town of Cabazon 579 Comment
  UCR25779  Filago californica John C. Roos 1952-4-13 5528 Riverside Peninsular Range, Box Springs Mountains 520 Comment
  POM9583  Filago californica I. M. Johnston 1920-5-8 s.n. Riverside Jurupa Mountains, extreme west end. Comment
  SEINET3082771 Image available Filago depressa O. F. Clarke 1973-4-1 Riverside Sonoran Desert, alluvial fan at S entrance to Joshua Tree National Monument, below Cottonwood Springs. Comment
  RSA336170  Filago gallica R. F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 51999 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 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
  RSA799921  Fouquieria splendens Justin M. Wood, D. M. Ray 2011-4-28 3832 Riverside Sonoran Desert: Chuckwalla Valley: 6.5 miles north of Desert Center on Kaiser Road, +/- 0.4 miles northeast of bend in road. 202 Comment
  CLARK-A1528-812  Fragaria vesca subsp. californica P. A. Rauch 1966-4-30 Riverside San Jacinto Mountains 1584 Comment
  UCR139625  Frankenia salina A. C. Sanders 2004-7-1 28379 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, c. 1.5 mile NW of the "Menifee-Antelope Community Hall", 0.6 mi. east of Murrieta Rd. near the NW foot of a large rocky hill (1762 ft.) and c. 5 miles due south of Sun City 457 Comment
  UCR22127  Frankenia salina Steve Boyd 1980-5-13 266 Riverside Gavilan Hills, Harford Springs County Park, at NW corner of the Gavilan Plateau 640 Comment
  UCR274537  Frankenia salina Mitch Provance, Ken Halama 2003-6-15 17046 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  CAS-BOT-BC211020  Fraxinus velutina Carl B. Wolf 1940-10-30 9758 Riverside Penrod Canyon 1524 Comment
  UCR177657  Fraxinus velutina var. coriacea P. A. Munz, I. M. Johnston 1924-7-29 8866 Riverside San Bernardino Mtns., San Gorgonio Canyon, north of Banning 1372 Comment
  SEINET10580689  Funastrum hartwegii Harvey M. Hall 1899-8-10 Hall s.n. 1899 Riverside Riverside Comment
  SBBG5734  Funastrum hirtellum H. and M. Dearing 1939-4-12 3163 Riverside Pinto Basin near Twentynine Palms Comment
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Dec 19 2016
  SFV17333  Funastrum hirtellum J. D. Dilley, J. N. Hogue (108.16) 1998-4-23 272 Riverside Sonoran Desert Chuckwalla Mountains. Corn Springs Wash at Corn Spring. 488 Comment
  LA208394  Galium andrewsii A. H. Lange; 1951-5-27 Riverside San Jacinto Mountains, 10 mi S. Hemet Lake Comment
  RSA609658  Galium andrewsii subsp. andrewsii R. S. Woglum 1937-5-22 554 Riverside Santa Rosa Mountains. Comment
  UC1478711  Galium andrewsii subsp. andrewsii C. W. Tilforth and B. Busenberg 1980-6-10 1983 Riverside s Lake Hemet (w of Hwy 74, along Thomas Mtn. Rd.) Comment
  SD187471  Galium angustifolium Scott D. White, Angelia Carey 2004-4-16 10185 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes 116 Comment
  UCR133446  Galium angustifolium Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 454 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  UCR159249  Galium angustifolium A. C. Sanders, Kelly Volansky 2005-8-31 31569 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
  VVC459  Galium angustifolium A. C. Sanders, J. Mac 1997-5-4 20665 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  RSA607791  Galium angustifolium subsp. angustifolium R. S. Woglum 1941-6-14 3067 Riverside Peninsular Ranges: Santa Rosa Mountains [Riverside/San Diego counties]. Comment
  CAS-BOT-BC223052  Galium angustifolium subsp. gracillimum H. K. Wagnon 1944-5-25 401 Riverside Along Tahquitz Creek, alluvial fan of Tahquitz Canon [Canyon], Palm Springs Comment
  POM48868  Galium angustifolium subsp. jacinticum Philip A. Munz, J. M. Johnston 1924-7-26 8702 Riverside Near Dark Canyon, San Jacinto Mts. 1524 Comment
  RSA503420  Galium aparine J. D. Olmsted 1962-5-10 3622 Riverside Coldwater Canyon, Corona city water supply. 396 Comment
  UCR180590  Galium aparine Scott D. White, Angelia Carey 2004-4-5 9983 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCD170417  Galium californicum subsp. primum D. O. Burge 2017-3-12 2224 Riverside Pine Cove area, roadside on Red Hill Road. 1720 Comment
  JOTR33927  Galium multiflorum La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2818 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  UCR17531  Galium parishii Frank C. Vasek 1979-7-26 790726- 02 d Riverside Santa Rosa Mtns, Vicinity of Virgin Spring and Stump Spring 2348 Comment
  RSA0042107  Galium stellatum Duncan S. Bell, Deidre Conocchioli 2014-3-11 6228 Riverside Santa Rosa Mountains; Devil's Canyon, northeast of Martinez Mountain. 207 Comment
  UCR216497  Galium stellatum var. eremicum Jim Andre, T. La Doux 2009-3-10 11235 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  POM230138  Garrya flavescens var. pallida Noel Wallace 1938-1-9 s.n. Riverside Base of Skyline Drive, Santa Ana Mts. Comment
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Sep 7 2011
  UC1930170  Gastridium phleoides Scott D. White, Michael Honer 2003-6-3 9463 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. Comment
  UCSB38069  Gayophytum oligospermum Lewis, Harlan 1962-8-2 Riverside San Jacinto Mnts. Pine cove road, .4 miles west of Idyllwild Banning Road. Comment
  UCR95302  Gazania linearis Steve Boyd, L. Fuentes 1996-5-2 8765 Riverside Santa Ana Mtns., Santa Rosa Plateau, intersection of Tenaja Rd. and Rancho California Rd, SE of Tenaja Guard Station, in flats between Redonda Mesa and Squaw Mtn. 610 Comment
  POM30736  Geraea canescens Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. Comment
  RSA79150  Geraea canescens P. A. Munz, P. C. Everett 1951-5-2 16254 Riverside 2 miles E of Garnet, Coachella Valley. 30 Comment
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Apr 21 2011
  UCR166007  Geraea canescens Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  UCR154400  Gilia A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16214 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
  CLARK-A1528-3498  Gilia achilleifolia subsp. multicaulis John C. Roos 1937-4-4 1389 Riverside La Sierra Comment
  SBBG47438  Gilia angelensis N. C. Cooper 1944-4-23 1100 Riverside Banning 701 Comment
  UCR172804  Gilia angelensis Abby Sirulnik 2000-4-13 09 Riverside Peninsular Ranges, Southwestern Riverside County Multispecies Reserve, c. 3 mi NE of Skinner Reservoir 610 Comment
  UCR214546  Gilia angelensis A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37859 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.8 mi. north (09 deg. ) of intersection of I-15 and Lake St. 482 Comment
  UCR91642  Gilia angelensis D. L. Banks, Steve Boyd 1995-5-9 0413 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, west of the Dripping Springs Alcove, west of Woodchuck Campground. 738 Comment
  SEINET6046694  Gilia capitata Unknown 1945-5-24 1625 Riverside Big Oaks Canyon, Banning. Roadside. Comment
  RSA470269  Gilia capitata subsp. abrotanifolia N. C. Cooper 1944-5-21 1221 Riverside San Jacinto Mountains, West side 915 Comment
  UC23351  Gilia capitata subsp. abrotanifolia Geo. F. Reinhardt June, 1897 Riverside San Jacinto Mountains Comment
  SEINET7063564  Gilia leptomeria A. G. Vestal 1947-4-8 s.n. Riverside About 6.8 miles south on Route 3. UTM Zone 11, 509589mE, 3707060mN. (WGS84/NAD83). 610 Comment
  RSA0004796  Gilia lineata Anstruther Davidson 1923-04 3570 Riverside Idyllwild. Comment
  UCR277162  Gilia maculata Robert J. Steers 2008-3-18 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Hwy 62 south of intersection with N Indian Canyon Dr., at major wash crossing, NW of Desert Hot Springs 513 Comment
  CAS-BOT-BC407611  Gilia ochroleuca subsp. exilis M. Bourell; R. Patterson; S. Timbrook 1986-4-7 2953 Riverside Temescal Canyon Rd., ca. 1 mile SE of Glenn Ivy Hotsprings Rd., ca. 200 m from RR overpass. 259 Comment
  CAS-BOT-BC407624  Gilia ochroleuca subsp. exilis Frank W. Gould 1943-4-17 2108 Riverside 12 miles S of Corona on Elsinore Road Comment
  RSA0016275  Gilia ochroleuca subsp. exilis A. C. Sanders, B. Pitzer 1986-4-30 6475 Riverside Lower Bee canyon, 0.2 mi. above the mouth of the canyon. 610 Comment
  RSA0016298  Gilia ochroleuca subsp. exilis R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55504 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  RSA0017102  Gilia ochroleuca subsp. exilis Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  RSA0017266  Gilia ochroleuca subsp. exilis Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4642 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
  UC52859  Gilia ochroleuca subsp. exilis H. M. Hall 1902-4-8 2764 Riverside vicinity Winchester (Valle Vista, Southern California); vicinity of Winchester, at Valle Vista Comment
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Mar 20 2011
  CAS-BOT-BC407806  Gilia ochroleuca subsp. exilis H. M. Hall 1901-6-1 2060 Riverside San Jacinto Mountains, vicinity of Chalk Hill 1524 Comment
  RSA67645  Gilia sinuata Verne Grant, Alva Grant 1960-4-9 8838 Riverside Pass between Whitewater and Morongo Valley, 0.4 mile S of San Bernardino Co. line Comment
  UCR45343  Gilia splendens Scott Cantrell 1986-3-28 90 Riverside Sonoran (Colorado) Desert, Desert Hot Springs, near Hwy 62 and Indian Avenue 518 Comment
  RSA504964  Gilia stellata D. Charlton 1988-2-25 1232 Riverside S side of Little San Bernardino Mountains, Fargo Canyon Road and Dillon Road, S side of Joshua Tree National Park, parallel to I-10, 5 miles E of jct Dillon Road and Fargo Canyon Road. 610 Comment
  RSA797510  Gilia stellata C. P. Cowan 1978-4-23 1176 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. 570 Comment
  SEINET3217332 Image available Gilia stellata T. B. Salvato 2010-4-20 4054 Riverside Sonoran (Colorado) Desert; alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe. (McCoy Peak 7.5 Q.) 183 Comment
  UCR193527  Githopsis diffusa subsp. candida A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35568 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, slope below May Valley Rd. toward meadow on nameless tributary NW of Herkey Crk., north of Bonita Vista Rd. 1555 Comment
  UCSB6571  Gnaphalium Roger Krogen 1957-1-1 124 Riverside collected 4.0 mi S, along U S Highway 95, at N edge of the Orocopia Mountains U S Highway 60-70 - U S Highways 95,60-70 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
  UCR135981  Gnaphalium canescens subsp. microcephalum A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27903 Riverside Peninsular Range, Alberhill Mountain, around dried pool in bottom of a large clay pit 445 Comment
  POM8299  Gnaphalium microcephalum P. A. Munz 1920-2-28 3273 Riverside 3 miles west of Corona. 305 Comment
  RSA0112993  Gnaphalium thermale P. A. Munz, I. M. Johnston 1924-7-28 8807 Riverside Pine Flats, San Jacinto Mts. [original label says San Diego Co.] 1738 Comment
  UCSB1696  Grayia spinosa Graney, Don 1953-3-21 Riverside Devils Garden, 11 miles east of White Water, Colorado Desert Comment
  POM48137  Guillenia lasiophylla E. Schlinger 1920-05 s.n. Riverside Canyon Coachella, Colorado Desert Comment
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Nov 19 2011
  CAS-BOT-BC302140  Gutierrezia sarothrae Mitch Provance 2003-4-5 6612 Riverside San Bernardino Valley: Jurupa Mountains, Glen Avon, slopes above the northern extreme of Campbell St 274 Comment
  RSA702272  Hainardia cylindrica Gary D. Wallace, B. Gustafson, T. Thomas 1983-6-23 2082 Riverside Santa Rosa Plateau, Mesa de Burro. Comment
  UCR82926  Haplopappus acradenius A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15818 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  SEINET6031280 Image available Haplopappus linearifolius var. interior Norman C. Cooper 1944-1 1003 Riverside Cabazon 457 Comment
  HSC85415  Harpagonella palmeri Steve Boyd 1986-3-9 1384 Riverside Temescal Canyon: Alberhill Mtn., S slope of mtn., just E of claymine area 459 Comment
  UC2029948  Harpagonella palmeri Steve Boyd 2001-4-12 10414 Riverside GAVILAN HILLS REGION: Southeast base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street, in the vicinity of the site of Terra Cotta. Comment
  UCR121071  Harpagonella palmeri D. E. Bramlet 1994-4-20 2370 Riverside Perris-Aguanga Basin region, Shipley Reserve/SE corner of Lake Skinner Co. Park, beside a large, ephemeral drainage south of the equestriam trail, approx 762 m SE of the park entrance road and 579 m NW of East Benton Road 518 Comment
  UCR174160  Harpagonella palmeri A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32604 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
  UCR267160  Harpagonella palmeri Mitch Provance, Matt Amalong, Eric Kline 2015-3-24 315- 18 Riverside Temecula/Murrieta Region, Murrieta, S of Keller Rd., along dirt portion of Menifee Rd. (unmarked), on the old Clydesdale horse ranch 461 Comment
  RSA0066605  Harpagonella palmeri Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-19 3036 Riverside Vail Lake area, 0.5 mi WNW of dam, S flank Oak Mountain. 549 Comment
  RSA0066622  Harpagonella palmeri Steve Boyd 1986-5-1 1790 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow. Comment
  RSA674589  Hedypnois cretica Scott D. White 2000-5-5 7777 Riverside City of Murrieta: Vacant lot on N corner at intersection of Jefferson Av. and Murrieta Hot Springs Rd. 323 Comment
  UCR171723  Hedypnois cretica John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, Temecula, Southern California Edison right of way between residential areas, N-S corridor between S General Kearny Road and La Serena Way; east of Veterans Park 366 Comment
  SEINET13387099 Image available Helianthemum scoparium T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-1 8350 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 (Corona South 7.5' Q.) 424 Comment
  UCR177315  Helianthus californicus Scott D. White, Michael Honer 2003-10-9 9816 Riverside San Jacinto Mountains, Pine Cove. Lily Creek just north of crossing at Hwy 243 1738 Comment
  RSA0012943  Helianthus californicus P. A. Munz 1922-9-5 6362 Riverside Strawberry Valley, north end. 1677 Comment
  UCR145972  Helianthus gracilentus June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  UCR19233  Helianthus petiolaris John C. Roos 1965-7-29 s.n. Riverside Hemet Comment
  RSA780961  Heliotropium curassavicum Stephanie Rockwood, Christi Gabriel 2011-12-14 216 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 107 Comment
  SEINET959054  Heliotropium curassavicum A. C. Sanders 2006-1 32273 Riverside Warm Springs Valley, N edge of City of Lake Elsinore, 35 acre parcel south of the intersection of Callier Ave. and Riverside Dr., NE of Alberhills Crk., NW of Enterprise Way (Lake Elsinore 7.5Q) 389 Comment
  UCR245798  Heliotropium curassavicum A. C. Sanders, T. B. Salvato, Ana Hernandez, Karyn Drennen, Angela Collada 2013-10-2 40960 Riverside Peninsular Range, Wilson Valley Preserve, 0.12 mi. S of Wilson Valley Rd., 1.1 mi. east of Sage Rd., 1.65 mi. east (87 deg. ) of Round Top Mtn. 770 Comment
  UCR261196  Heliotropium curassavicum A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-5-18 41714 Riverside Esinore, SE quarter of large vacant lot between Hwy 74 and Enterprise Way, a short distance NE of the drain from Lk. Elsinore to Temescal Canyon, S of the end of Enterprise and W of the end of Pasadena St. 387 Comment
  POM14105  Heliotropium curassavicum var. oculatum P. A. Munz, D. D. Keck 1922-4-9 4880 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  RSA0078220  Heliotropium curassavicum var. oculatum Sarah J. De Groot, Amy Rouillard 2015-9-15 7558 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  POM158467  Hemizonia kelloggii P. A. Munz 1927-5-20 10794 Riverside Murrieta Hot Springs. Comment
  POM204504  Hemizonia kelloggii M. French Gilman 1934-7-8 s.n Riverside Banning Comment
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Mar 13 2011
  UCR260605  Hemizonia kelloggii A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-6 41570 Riverside Peninsular Range, Temescal Valley, large open parcel between Horsethief Canyon Rd. and Hostettler Rd., just south of I-15 392 Comment
  UCR92288  Hemizonia pungens subsp. laevis Scott D. White, M. A. Patten 1995-8-16 3550 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
  UCR138813  Hesperocnide tenella D. L. Banks 1997-2-17 1269 Riverside Agua Tibia Mountains, NW Palomar Mountains: NW foothills of Dorland Mtn at the S end of Los Caballos Road the University of California-Emerson Oaks Reserve. The westernmost portion of the Preserve, south of a large, privately owned citrus grove 506 Comment
  UCR158270  Hesperocnide tenella A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-4-14 29492 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
  SEINET5641180  Hesperoyucca whipplei var. whipplei Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28528 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert, off of Pine View Drive. 1297 Comment
  SDSU12856  Heterotheca grandiflora Janet M. Knotts, Jill Steinberg & Kevin Contreras 1998-3-25 25 III1998C Riverside Road southwest of SDSU Santa Margarita Field Station, ca. 1000 feet S. W. on road to switchback, then ca. 500 feet N.E., heading down to creekbed, south side of road. 244 Comment
  UC74099  Heterotheca sessiliflora subsp. echioides M. F. Gilman 1904-1-1 33 Riverside Banning Comment
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Mar 13 2011
  CAS-BOT-BC310833  Heterotheca sessiliflora subsp. fastigiata Mary F. Spencer 1919-7-8 1268 Riverside Idyllwild, San Jacinto Mt. 1615 Comment
  JEPS44370  Heuchera hirsutissima Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4252 Riverside ne side Toro Peak; Santa Rosa Mts 2499 Comment
  RSA695437  Hibiscus denudatus Scott D. White, Michael Honer 2003-5-14 9291 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  UCR277611  Hibiscus denudatus Aaron C. Sedgwick, Joella Adkins 2012-10-24 145 Riverside Sonoran (Colorado) Desert, Graham Pass Rd. in the Chuckwalla Mtns., c. 1 mile north of Graham Pass 421 Comment
  SBBG66337  Hieracium horridum R. Hoffmann 1929-9-5 Riverside Tahquitz Ridge 2438 Comment
  RSA660054  Hirschfeldia incana Carol Zuck 1981-2-15 18 Riverside 1.3 miles south on Bob Hope Dr. from the junction at Country Club Dr. Comment
  UC406703  Hoffmannseggia glauca Marcus E. Jones, A. M. 1929-9-16 Riverside e of Desert Center Comment
  CAS-BOT-BC206103  Hoffmannseggia microphylla John Thomas Howell 1928-1-30 3307 Riverside 2 miles e. of Shaver's Well, Colorado Desert Comment
  LA45789  Hoffmannseggia microphylla Martha Hilend; 1929-7-27 363 Riverside Shaver's Well Comment
  POM14417  Hordeum depressum P. A. Munz, I. M. Johnston 1922-5-18 5322 Riverside 3 miles south of Glen Ivy [now Glen Ivy Hot Springs]. Comment
  SBBG103942  Hordeum depressum A. C. Sanders 1993-5-12 14016 Riverside Hemet, W side of Warren Rd, 0.5 mi S of Florida Ave (St Hwy 74) Comment
  UCR121802  Hordeum depressum A. C. Sanders, Carolyn Washburn 2001-4-17 24052 Riverside San Jacinto Valley, southwest edge of Hemet, north of Stetson Av. midway between Warren Rd. and California Av., east of canal 457 Comment
  UCR121812  Hordeum depressum A. C. Sanders, Carolyn Washburn 2001-4-17 24063 Riverside San Jacinto Valley, southwest edge of Hemet, NW of intersection of Stowe Rd. and California Av., 2 miles NE of Winchester 457 Comment
  LA207995  Horkelia clevelandii var. clevelandii W. B. Welch; 1928-5-5 sn Riverside San Jacinto Mountains, Idyllwild Comment
  CAS-BOT-BC55488  Hornungia procumbens Steve Boyd 1986-4-2 1622 Riverside Gavilan Plateau, Gavilan Hills. Harford Springs County Park. 640 Comment
  RSA502893  Hulsea heterochroma Kathy Harper 1988-6-11 s.n. Riverside San Jacinto Mountains, on Thomas Mtn Rd., S of Thomas Mtn. Lookout. Comment
  RSA78320  Hulsea vestita subsp. callicarpha P. A. Munz, E. K. Balls 1952-8-21 17980 Riverside Road, Vandeventer Flat to Santa Rosa Peak 2072 Comment
  RSA134687  Hydrocotyle ranunculoides P. H. Raven 1959-5-17 14233 Riverside Lake Fulmor, San Jacinto Mtns. Comment
  RSA771744  Hymenoclea salsola Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4762 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
  UCR101570  Hymenoclea salsola Bern Schwenn 1998-4-11 s.n. Riverside San Bernardino Mountains, Mission Creek, along Pacific Crest Trail and slope on E side of canyon. 823 Comment
  CAS-BOT-BC312860  Hymenoxys odorata W. L. Jepson 1912-10-22 5260 Riverside Palo Verde Valley 137 Comment
  CLARK-A1528-2978  Hypericum formosum subsp. scouleri John C. Roos 1943-8-8 2702 Riverside San Jacinto Mountains Comment
  CAS-BOT-BC219737  Hyptis emoryi Carl B. Wolf 1932-4-26 2984 Riverside Colorado Desert. 8 mi. E. of Mecca, on Blythe Road 91 Comment
  CAS-BOT-BC219752  Hyptis emoryi Roxana S. Ferris 1918-6-14 981 Riverside In Box Canon [Canyon], Near Shaver's [Shavers] Well, Mecca-Blythe Road Comment
  CAS-BOT-BC219771  Hyptis emoryi E. Braunton 1929-1-1 1023 Riverside Painted Canyon, Mecca Comment
  RSA0107469  Hyptis emoryi Duncan S. Bell, Amanda Turek 2009-3-29 155 Riverside Collecting in the large western drainage of the Arica Mountains, within the Palen/McCoy wilderness area. 434 Comment
  SJSU11389  Hyptis emoryi R. C. McGehee 1970-3-5 134 Riverside Corn Springs, 18 mi SE of Desert Center, Chuckwalla Mts Comment
  UCR3004  Hyptis emoryi Wm. Horn Jr. 1963-3-23 630323- 4 Riverside Western Colorado Desert, Box Canyon Road (Calif. Hwy 195 ), 8 mi SE of Mecca, 75 yards south of the road. 61 Comment
  SEINET13948480 Image available Hyptis emoryi Lewis S. Rose 1957-1 57030 Riverside La Quinta, alt ca 50 ft, desert wash 15 Comment
  CLARK-A1528-4696  Imperata brevifolia John C. Roos 1965-6-23 Riverside Palm Springs Comment
  CDA6090  Ipomoea triloba T. C. Fuller 1962-10-2 9691 Riverside South of Avenue 60, 0.2 mile east of Jackson Street, ca. 6 miles south of Indio. 0 Comment
  JEPS13688  Ipomopsis tenuifolia Evelyn Gray 1924-4-10 Riverside Painted Canyon Mecca Comment
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Dec 20 2010
  UCD133421  Isocoma acradenia F. R. Lawson 1929-12-12 s.n. Riverside Mecca. Comment
  POM359530  Isocoma acradenia var. eremophila L. C. Wheeler 1931-11-27 375 Riverside 5 miles SE Mecca. -61 Comment
  SBBG8317  Isocoma acradenia var. eremophila H. and M. Dearing 1936-12-25 2340 Riverside Thousand Palms Cyn Comment
  UCR37791  Isomeris arborea A. C. Sanders 1985-3-1 5391 Riverside Box Springs Canyon, near the intersection of Central Ave. & Hwy 60, along Gernert Rd. Just above the Santa Fe Railroad tracks. 427 Comment
  UCR172243  Juglans californica John F. Green 2006-5-10 s.n. Riverside Peninsular Ranges, City of Murrieta; NE side of the Hogbacks. SE of Los Alamos Road, area bordered by Mason Avenue, Callahan Road and Shannon Lane 488 Comment
  UC667381  Juncus acutus subsp. leopoldii Annie M. Alexander and Louise Kellogg 1941-5-26 2241 Riverside Monsen Canyon Colorado Desert, Eagle Mountains 914 Comment
  RSA567472  Juncus balticus subsp. ater Scott D. White 1993-5-29 1484 Riverside San Bernardino Mountains: Banning Canyon and Big Oaks Canyon along the road to Raywood Flat, Yucaipa Ridge. 1220 Comment
  RSA0119964  Juncus bufonius Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9075 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.25 air miles southeast of the summit of Martinez Mountain. 621 Comment
  UCR117384  Juncus bufonius A. C. Sanders, T. B. Salvato 2001-5-25 24385 Riverside San Jacinto Valley, west edge of Hemet, north side of Hwy 74 (Florida Ave.) at Warren Rd. 457 Comment
  PASA627  Juncus canaliculatus Frank W. Peirson 1924-7-28 Riverside Pine Flats Camp, San Jacinto Mts. 1798 Comment
  RSA719775  Juncus duranii Naomi Fraga, Ilene Anderson, Mike Hamilton, Michael Wall, Gary Wallace 2006-9-7 1775 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  RSA741268  Juncus effusus subsp. austrocalifornicus Scott D. White, Justin M. Wood 2008-7-10 12451 Riverside Fobes Spring 1500 Comment
  SEINET6060846  Juncus effusus subsp. austrocalifornicus Scott D. White 1998-7-31 6957 Riverside Idyllwild Area. Strawberry Creek Comment
  UC1601743  Juncus effusus subsp. austrocalifornicus H. M. Hall Jul 1901 2390 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1645 Comment
  UCR20875  Juncus oxymeris A. C. Sanders 1978-7-3 782 Riverside San Jacinto Mountains, along old fire road between the James Reserve and the Black Mountain Road 1677 Comment
  JOTR35137  Juncus tiehmii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3248 Riverside Joshua Tree National Park. West of Queen Mountain, Wonderland of Rocks; Active, bouldery wash with sandy bottom and large granite outcrops (Stop 3) 1294 Comment
  JOTR31801  Juncus xiphioides La Doux, Tasha, K. White, A. Holt, C. Ely, J. Van Warmerdam 2007-2-26 2103 Riverside Joshua Tree National Park. Eagle Mountains; Lost Palms Oasis 944 Comment
  UC667288  Juncus xiphioides Annie M. Alexander and Louise Kellogg 1941-5-26 2242 Riverside Monsen Canyon Colorado Desert, Eagle Mountains 914 Comment
  NY21029  Juniperus californica F. M. Reed 1928-4-18 5768 Riverside Nigger [?spelling} Valley, Upper San Luis Rey River, in Vail Ranch 914.4 Comment
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May 1 2011
  POM6497  Juniperus californica I. M. Johnston 1918-5-30 s.n. Riverside Between Elsinore and Perris. 548 Comment
  RSA352500  Juniperus californica P. J. Remple 1942-3-21 s.n. Riverside Whitewater Canyon. Near head of small canyon. Comment
  RSA757748  Juniperus californica LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4346 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon., Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  UCR120689  Justicia californica Helen Kennedy, T. B. Salvato 2002-2-2 5453 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
  UCR143425  Justicia californica Nesta Dunn, A. M. Martin 1932-3-26 s.n. Riverside Sonoran (Colorado) Desert, Shavers Well 305 Comment
  GMDRC3101  Kallstroemia californica J. Andre, T. La Doux 2008-9-13 10262 Riverside Chuckwalla Valley: along Hwy 177 (northwest side), southeast end of Coxcomb Mountains 33 deg. 48.724' N 115 deg. 16.87' W. Elev. 527 ft. 161 Comment
  RSA780234  Kallstroemia californica Stephanie Rockwood, Christi Gabriel 2011-10-13 116 Riverside West side of the West Riverside Mountains. Highway 62 to Rice Valley Road. Rice Valley. 256 Comment
  RSA793268  Kallstroemia californica Aaron C. Sedgwick, Cody Leslie 2012-9-20 125 Riverside South of Essex in Rice Valley - Take Rice/Blythe Rd. ~3 miles south and turn left on unmarked road. The wash is on the northern side of the unmarked road ~3 miles east. 235 Comment
  UC4066990  Kallstroemia californica Marcus E. Jones, A. M. 1929-9-16 Riverside Hayfields near Desert Center; Hayfields, near Desert Center Comment
  POM4275  Keckiella antirrhinoides Philip A. Munz 1918-4-27 2139 Riverside Temescal Canyon. Comment
  SFV16370  Keckiella antirrhinoides n. s. 1992-5-16 Riverside Lake Matthews. Comment
  UC1537425  Keckiella antirrhinoides Gordon H. True Jr. 1935-3-13 97 Riverside Mockingbird Canyon 457 Comment
  CAS-BOT-BC235497  Keckiella antirrhinoides I. W. Clokey; E. G. Anderson 1936-4-16 6885 Riverside Along San Jacinto River, East of Hemet 600 Comment
  NY786510  Keckiella antirrhinoides var. antirrhinoides L. A. McGill 1979-5-25 2551 Riverside Murrieta; Howard Scott Gentry Experimental Research Ranch. Comment
  JEPS26109  Keckiella antirrhinoides var. microphylla Peter H. Raven 1958-5-18 12995 Riverside 4.9 mi ne Pinyon Flats (along State Highway 74); San Jacinto Mountains Comment
  JOTR31149  Keckiella antirrhinoides var. microphylla La Doux, Tasha 2009-6-3 1858 Riverside Joshua Tree National Park. (Stop 2): Little San Bernardino Mountains, Covington Flats Area, Covington Spring 1396 Comment
  RSA764124  Keckiella cordifolia Linda M. Prince, Duncan S. Bell 2009-6-17 577 Riverside Cleveland National Forest Comment
  POM11200  Keckiella rothrockii subsp. jacintensis Philip A. Munz 1922-7-5 6008 Riverside Tahquitz Valley, San Jacinto Mountains 2256 Comment
  POM11201  Keckiella rothrockii subsp. jacintensis Philip A. Munz 1922-7-6 6027 Riverside Between Tahquitz Valley and Round Valley. 2287 Comment
  UCR133703  Keckiella ternata N. C. Cooper 1944-7-15 1581 Riverside Peninsular Range; San Jacinto/Santa Rosa Mtns., Palms to Pines Highway 1372 Comment
  RSA0060486  Keckiella ternata var. ternata J. M. Andre 2012-6-15 30508 Riverside San Jacinto Mountains: Along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest. 1171 Comment
  RSA500564  Koeleria macrantha Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3607 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  RSA674939  Koeleria macrantha Scott D. White, Bill La Haye 2000-5-27 7948 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  HSC101523  Krameria bicolor J. P. Smith, J. O. Sawyer, R. J. Cole 2010-4-18 12777 Riverside Along Eagle Mountain Road. Comment
  UCD107077  Krameria bicolor Collector Unknown 1923-5-19 294 Riverside Little Morongo Wash, near Warren's Ranch. Comment
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Feb 15 2013
  RSA303861  Krameria erecta Jim R. Shevock 1971-5-8 1037 Riverside White Tank, Joshua Tree National Monument. 1174 Comment
  CLARK-A1528-3029  Krameria grayi John C. Roos 1948-4-24 3804 Riverside Whitewater Comment
  RSA113919  Krameria grayi Percy C. Everett, E. K. Balls 1956-5-2 21551 Riverside 1 mile N of turnoff W of Desert Center on road to Eagle Mt. Pumping station. 274 Comment
  RSA408601  Krameria grayi G. R. Johnstone 1930-4-13 s.n. Riverside 1000 Palms. Comment
  RSA408611  Krameria grayi Emery M. Whilton 1937-4-19 s.n. Riverside Palm Springs. Comment
  RSA787590  Krameria grayi Andrew Monks, J. McConnaughy, M. Volke 2010-1 35 Riverside McCoy Wash. Road going N from Black Rock Rd. S side of private boundary. N of I-10. 244 Comment
  UCR123758  Krameria grayi Steven R. Hill 2001-4-29 33545 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
  UC76422  Laennecia coulteri Miss M. Alice King 1892-12-1 Riverside JPNI describes Menifee: (w Riverside Co, valley n of Paloma Valley) Menifee Comment
  SEINET7106655  Lamarckia aurea N. Duane Atwood 1993-3-28 17711 Riverside Bolsa Chica Ecological Reserve, California Dept. of Fish and Game.; 0 Comment
  UC1595558  Lamarckia aurea Steve Boyd, Orlando Mistretta 1991-5-22 6314 Riverside e of Dorland Mountain (w of Kolb Creek, base of Agua Tibia Mountain, Vail Lake Area); Vail Lake Area, Agua Tibia Mountain 548 Comment
  UC38730  Lamarckia aurea E. L. Koethen Apr., 1897 9 Riverside Riverside Comment
  RSA795940  Langloisia setosissima subsp. setosissima Duncan S. Bell 2009-4-18 256 Riverside Arica Mountains: southeast side of range, approximately 0.5 air mile southwest of Priests Well. 311 Comment
  CAS-BOT-BC170704  Larrea tridentata G. P. Rixford 1907-11-25 s.n. Riverside Between Yuma and Needles, Colorado River Comment
  JOTR28941  Larrea tridentata La Doux, Tasha 2005-3-30 1177 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  JOTR32129  Larrea tridentata La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade` 2011-4-26 2285 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; sandy flats at base of mountains and northern edge of valley (Stop 4) 996 Comment
  RSA727084  Larrea tridentata Naomi S. Fraga, Lisa Rojas 2005-2-10 1373 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCSB9622  Larrea tridentata Krogen, Roger 1957-1 Riverside along roadsides 2 mi. N of HWY ,60-70 in Whitewater Canyon Comment
  RSA610612  Lastarriaea coriacea R. S. Woglum 1938-5-1 1605 B Riverside Peninsular Ranges: South of Hemet; San Jacinto Valley west of San Jacinto Mountains. Comment
  CAS-BOT-BC338927  Lasthenia californica L. R. Abrams 1926-3-25 11047 Riverside Between Banning and Cabazon Comment
  CAS-BOT-BC338932  Lasthenia californica John Thomas Howell 1930-5-10 4778 Riverside March Field Comment
  RSA585501  Lasthenia coronaria D. L. Banks, S. D. Boyd 1995-5-9 0363 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, W of the Dripping Springs Alcove, W of Woodchuck Campground. 793 Comment
  UC1563067  Lasthenia coronaria Steve Boyd, Tim Ross, and Laurel Arnseth 1989-4-1 3106 Riverside 1.25 mi wsw of dam Vail Lake area 609 Comment
  POM13000  Lasthenia gracilis P. A. Munz, I. M. Johnston 1922-5-19 5420 Riverside Hemet Valley, San Jacinto Mountains. 1402 Comment
  UC30485  Lasthenia gracilis Geo. R. Hall 1901-3-17 1669 Riverside Riverside Comment
  UCR126365  Lasthenia gracilis A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 684 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR241403  Lasthenia gracilis T. B. Salvato, Matt Malle, Tom Sullivan 2013-3-27 7450 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  UCR76161  Lasthenia gracilis A. C. Sanders 1993-4-1 13660 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
  CAS-BOT-BC367545  Lasthenia microglossa F. W. Peirson 1919-4-14 1376 Riverside Murray Canyon near Palm Springs 487 Comment
  SDSU14267  Lathyrus vestitus var. alefeldii Ryan Jacobson, Jeremy Mass 2000-4-19 8 Riverside Santa Margarita Ecological Reserve. Near west bank of Stone Creek, about 1 mile north east of south-side facility. 177 Comment
  UCR114321  Lavatera cretica Mitch Provance 1998-3-30 288 Riverside Riverside, Hillside area, NE corner of Phoenix and Arlington Aves., behind Taco Bell 232 Comment
  UCR142912  Layia platyglossa Mary V. Hood 1945-3-25 s.n. Riverside Peninsular Range, Aguanga, Cottonwood Creek 610 Comment
  UCR241006  Layia platyglossa Tracy Tennant 1998-4-7 236 Riverside Peninsular Range/Perris-Aguanga Basin Region, Mariette Rd. at Grouse Court, 2.25 mi. NE of Vail Lake Dam 582 Comment
  UCR241016  Layia platyglossa T. B. Salvato, Tracy Tennant 1998-4-16 MOR- 1216 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Potrero Canyon about 1 mile above locked gate, east side of road near old corrals, tree stand P-03 976 Comment
  RSA0001369  Layia ziegleri L. B. Ziegler 1966-6-1 s.n. Riverside Between Mountain Center and Keen Camp summit, San Jacinto Mts. 1448 Comment
  UCR92452  Lemna A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18107 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  RSA641178  Lemna minor Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38151 Riverside San Jacinto Mountains: San Bernardino National Forest. Lake Fulmor. 1615 Comment
  SD124944  Lemna minuta Robert F. Thorne, Steve Boyd, Earl Lathrop 1985-7-18 61204 Riverside Santa Rosa Plateau, Nature Conservancy Reserve, riparian woodland along Cole Canyon. 534 Comment
  UCR153379  Lepechinia cardiophylla Orlando Mistretta 1992-8-31 788 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Ana Mountains; Sierra Peak; Cleveland National Forest. Astragalus brauntonii survey 701 Comment
  CAS-BOT-BC89588  Lepidium lasiocarpum H. S. Yates 1937-3-23 6426 Riverside California Forest and Range Experiment Station. Near Thermal. 30 Comment
  POM47688  Lepidium lasiocarpum Mary F. Spencer 1920-3-25 1495 Riverside Palm Springs. 122 Comment
  RSA68339  Lepidium lasiocarpum F. W. Peirson 1933-4-13 10636 Riverside Road from Deep Canyon to Idyllwild. 610 Comment
  RSA719036  Lepidium lasiocarpum Michael Honer 2005-3-11 2064 Riverside Rice Valley; 4.5 mi. SSE of Rice; 1.5 mi. E of ATSF railway. 220 Comment
  UCR60439  Lepidium lasiocarpum R. F. Thorne, M. Z. Thorne 1973-3-30 42672 Riverside Sonoran (Colorado) Desert, Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs; [vicinity of Hwy 62 crossing of Mission Creek] 488 Comment
  POM91009  Lepidium lasiocarpum E. C. Jaeger 1925-12-18 s.n. Riverside Eagle Canon, 5 miles east of Palm Springs. 122 Comment
  RSA0135567  Lepidium lasiocarpum var. lasiocarpum G. Rink 2013-3-18 11873 Riverside About twelve miles west of Blythe, on proposed Quartzite solar power plant site. 105 Comment
  UC10657  Lepidium nitidum W. H. Brewer Jan 1861 159 Riverside Temescal Range, se from the mines Temescal Range Comment
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Mar 12 2011
  UCR21935  Lepidium nitidum Steve Boyd 1980-5-5 201 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  UCR59678  Lepidium nitidum Steve Boyd, T. S. Ross, L. Arnseth 1989-3-19 3033 Riverside Peninsular Range, Vail Lake area, 0.5 mi WNW of dam, S flank Oak Mountain 488 Comment
  POM13835  Lepidium virginicum var. pubescens P. A. Munz 1922-7-4 5966 Riverside Hemet Valley, San Jacinto Mountains. 1372 Comment
  UC10652  Lepidium virginicum var. pubescens H. M. Hall 1900-1 Riverside Strawberry Valley San Jacinto Mountains Comment
  RSA741062  Lepidium virginicum var. virginicum Scott D. White, Justin M. Wood 2008-6-5 12069 Riverside Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  POM34470  Lepidospartum squamatum Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  UCR136318  Lepidospartum squamatum Virginia Moran 2003-9-1 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), east of Sage Road and south of Wilson Valley Road 675 Comment
  RSA370866  Leptochloa fusca subsp. uninervia R. F. Thorne, Steve Boyd, Earl Lathrop 1985-7-18 61276 Riverside Sandia Canyon, De Luz-Murrieta Road 260 Comment
  CAS-BOT-BC123158  Leptodactylon californicum subsp. leptotrichomum Patricia J. Gordon 1981-5-2 836 Riverside Santa Ana Mts., CA Hwy 74 ca. 1 km N of Ortega Oaks (Cleveland Nat. Forest). 700 Comment
  JOTR16798  Leptodactylon pungens Wanrow, E. 1968-5-20 s.n. Riverside Joshua Tree National Park. EUREKA PEAK 1676 Comment
  POM15022  Leptosiphon ciliatus Mary F. Spencer 1922-6-17 1203 Riverside Idyllwild. 1585 Comment
  POM13671  Leptosiphon floribundus P. A. Munz 1922-6-27 5859 Riverside Santa Rosa Mountains: Santa Rosa. 2012 Comment
  SD181408  Leptosiphon lemmonii Scott D. White, Bill La Haye 2000-5-27 7963 Riverside San Jacinto Mountains; Baldy Muntain area. 1616 Comment
  UCR244432  Lesquerella tenella Jim Andre 2012-4-16 20927 Riverside Mojave/Sonoran Desert Transition, Joshua Tree National Park; along Cottonwood Springs Rd, 2.4 mi. north of Cottonwood Visitor's Center 956 Comment
  UCR132925  Lessingia filaginifolia 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
  SBBG94651  Lessingia glandulifera var. glandulifera S. D. White 1990-10-8 Riverside Vail Lake area, Hwy 79, immediately W of Dripping Springs Guard Station 487 Comment
  UCD64300  Leymus condensatus R. N. Raynor 1938-6-20 s.n. Riverside Aguanga. Comment
  RSA563876  Leymus triticoides A. C. Sanders 1993-5-12 14015 Riverside Hemet, W side of Warren road, 1/2 mile S of Florida Ave. (Hwy 74), between the New San Diego Aqueduct and Warren, directly opposite of the W end of Whittier Road. 457 Comment
  CAS-BOT-BC451633  Lilaea scilloides Robert F. Thorne 1974-5-23 44677 Riverside Santa Rosa Plateau, Rancho California: at N base of Mesa de Colorado 609 Comment
  JEPS5818  Lilium parryi H. M. Hall 1898-1 Riverside San Jacinto Mountains Comment
  UCR199668  Limonium sinuatum Scott D. White, Lynn Stafford 2007-7-5 11757 Riverside Chino Hills State Park, Santa Ana River floodplain just blow Prado Dam 137 Comment
  UCR193304  Limosella acaulis A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35600 A Riverside Peninsular Range; San Jacinto Mtns., plateau above head of Johnson Meadow canyon, SW of dogleg in May Valley Rd. 1550 Comment
  RSA48660  Linanthus aureus var. decorus A. M. Alexander, Louise Kellogg 1941-5-15 2173 Riverside North base of Eagle Mountain. 884 Comment
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May 20 2012
  CLARK-A1528-3469  Linanthus dianthiflorus John C. Roos 1937-4-18 1371 Riverside Snow Creek Comment
  UCR103736  Linanthus dianthiflorus A. C. Sanders, G. Helmkamp 1997-3-15 19984 Riverside Lake Skinner area, NE shore of Skinner Lake, SE foot of Bachelor Mtn., NE slopes of a small hill 473 Comment
  CLARK-A1045-89  Linanthus dianthiflorus subsp. farinosus George K. Helmkamp 1978-4-27 Riverside San Jacinto Mountains 2 miles up [east northeast] from Oak Spring; Lake Fulmor 7.5'Q Comment
  UCR240621  Linanthus floribundus Tracy Tennant, Mitch Provance 1998-6-16 MOR- 409 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  CAS-BOT-BC226875  Linanthus jaegeri H. M. Hall 1901-8-1 2596 Riverside San Jacinto Mountains. Vicinity of Tamarack Valley 2590 Comment
  JEPS58469  Linanthus liniflorus W. L. Jepson 1901-5-18 1259 Riverside San Jacinto River Upper San Jacinto Valley 487 Comment
  SDSU15209  Linanthus liniflorus subsp. pharnaceoides H. Wedberg 1962-5-23 940 Riverside 4.8 miles from HWY 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
  UC23776  Linanthus parviflorus Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  POM259191  Linanthus pungens subsp. hallii P. A. Munz 1938-8-13 15330 Riverside Rocky crest of ridge near Santa Rosa Peak. 2378 Comment
  UCR137500  Linaria canadensis D. L. Banks, V. W. Steinmann 1997-3-13 1525 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  RSA613447  Linaria canadensis var. texana D. L. Banks, Victor W. Steinmann 1997-3-13 1445 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
  SEINET273138 Image available Linaria canadensis var. texana O. F. Clarke 1997-3-4 5454 Riverside Riverside: vacant lot at back of St. George's Episcopal church corner of SPruce St. and Watkins Dr. 305 Comment
  UCR35222  Linaria maroccana L. B. Ziegler 1975-4-1 539 Riverside San Jacinto Valley 473 Comment
  UC11870  Lithophragma affine H. M. Hall May 1901 Riverside vicinity Strawberry Valley; San Jacinto Mountains, vicin of Strawberry Valley 1584 Comment
  UCR60269  Lithophragma affine subsp. mixtum Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3118 Riverside Peninsular Range, Vail Lake area, 2 mi west of dam, at edge of escarpment east of Pauba Valley 549 Comment
  UCR25991  Lobelia cardinalis John C. Roos 1937-8-23 2402 Riverside San Jacinto Mtns, north base of Mt. San Jacinto, Snow Creek 762 Comment
  CSUSB534  Lobularia maritima Deborah Sullivan 1973-7-9 Riverside Glen Avon, Riverside. 243 Comment
  JOTR31234  Loeseliastrum matthewsii La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 2018 Riverside Joshua Tree National Park. Pinto Basin; (Stop 6) sandy wash leading to Pinto Wash 354 Comment
  POM201348  Loeseliastrum schottii A. M. Alexander, Louise Kellogg 1941-5-15 2174 Riverside North base of Eagle Mountain. 884 Comment
  POM74991  Loeseliastrum schottii Marcus E. Jones 1903-5-10 10043 Riverside Palm Spring. 61 Comment
  SD45174  Loeseliastrum schottii Helen K. Sharsmith 1952-4-8 4050 Riverside Western Lobe of Pinto Basin, Joshua Tree national Monument 609 Comment
  UCR260861  Loeseliastrum schottii A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41485 Riverside San Gorgonio Pass, 3.15 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope east of the water bottling plant and south of I-10 449 Comment
  RSA676081  Logfia depressa Scott D. White 2001-4-3 8246 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  UC1922022  Logfia depressa Robert F. Thorne, M. Z. Thorne 1973-3-30 42686 Riverside MORONGO VALLEY CANYON: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, on rocky and sandy outwash of Mission Creek. Comment
  UCR54314  Lolium perenne Frank C. Vasek 1956-6-12 s.n. Riverside Riverside: Hwy 60, 1.05 mi east of Chicago Ave. on the University of California, Riverside campus Comment
  SEINET1869745 Image available Lolium rigidum Walter Graves 2002-1 502 -21 Riverside Riverside: grown at U.C.R. in Agricultural Operations Fields. 305 Comment
  POM256721  Lomatium dasycarpum subsp. dasycarpum W. Pequegnat 1940-4-28 s.n. Riverside Ridge between Bedford & Brown Canyons. 762 Comment
  RSA751634  Lomatium dasycarpum subsp. dasycarpum G. Gust, L. Nye 2005-3-11 548 Riverside Cleveland National Forest. Just off of Hwy 74 opposite El Cariso Campground on washed out forest road. 762 Comment
  UCR62323  Lomatium lucidum Ed LaRue 1990-4-13 s.n. Riverside Peninsular Range, 0.5 mi. NW of Aguanga, c. 1.5 mi (air) north of San Diego Co. line, north of Hwy 79 and west of Hwy 371 642 Comment
  POM96253  Lomatium lucidum E. C. Jaeger 1925-12-23 s.n. Riverside Aguanga. Comment
  CAS-BOT-BC198546  Lotus Ynez Whilton Winblad 1937-2-15 s.n. Riverside Near Palm Springs. Comment
  SEINET272332  Lotus argophyllus A. C. Sanders, O. F. Clarke; H. Forster 1997-3-2 19765 Riverside Box Springs Mtns.: E side of the range in Pigeon Pass area above W end of Quail Call Dr. canyon just W of section line 610 Comment
  UC56580  Lotus argophyllus H. M. Hall Apr 1897 423 Riverside Winchester Comment
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Mar 20 2011
  UCR97462  Lotus argophyllus A. C. Sanders, O. F. Clarke & H. Forster 1997-3-2 19765 Riverside Box Springs Mountains, E side of the range in Pigeon Pass area, above W end of Quail Call Drive, in canyon just west of section line. 610 Comment
  RSA406724  Lotus argophyllus subsp. argophyllus B. C. Templeton, C. B. Clokey, I. W. Clokey 1930-4-15 1481 Riverside Murray Canyon, Palm Springs 457 Comment
  UC218259  Lotus crassifolius var. crassifolius P. A. Munz 1922-7-7 6061 Riverside Fern Valley San Jacinto Mts. 1767 Comment
  UCR35034  Lotus heermannii L. B. Ziegler 1968-7-17 329 Riverside San Jacinto Mtns, Hemet Valley. On shore of Lake Hemet, c. 50 ft. from waters edge 1357 Comment
  RSA161279  Lotus nevadensis var. nevadensis P. H. Raven, R. Snow 1957-7-26 11113 Riverside San Jacinto Mountains: 2.0 miles S of Vista Grande Ranger Station, Banning-Idyllwild road. Comment
  UCR20890  Lotus nevadensis var. nevadensis A. C. Sanders 1978-7-1 00339 Riverside San Jacinto Mtns, James Reserve, above Lake Fulmor 1646 Comment
  CLARK-A1045-108  Lotus rigidus George K. Helmkamp 1977-3-20 Riverside Pinyon Pines area above Deep canyon; Palm Desert 15'Q Comment
  RSA498792  Lotus rigidus Jack Rempel 1934-3-3 s.n. Riverside Berdoo Canyon, Little San Bernardino Mts. 671 Comment
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Aug 5 2015
  RSA90306  Lotus rigidus F. W. Peirson 1919-4-14 712 Riverside Murray Canyon, near Palm Springs. Comment
  JOTR30250  Lotus scoparius var. brevialatus Leary, C. and Leary, Pat 1979-5-5 2982 Riverside Joshua Tree National Park. Above Lower Covington Flat, Joshua Tree N.M., T2S R7E sec 6 Comment
  RSA792348  Lotus scoparius var. brevialatus Doris Bowers 1972-4-15 1797 Riverside Dig at Rancho California - N/o camp 396 Comment
  UCR135847  Lotus scoparius var. scoparius A. C. Sanders 2004-4-20 27530 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  CLARK-A1528-2808  Lotus strigosus John C. Roos 1954-5-15 6120 Riverside Reche Canyon 731 Comment
  CLARK-A1528-488  Lotus strigosus Art Dawson 1968-4-17 Riverside Prado Dam Comment
  RSA678932  Lotus strigosus Scott D. White, Michael Honer 2003-6-3 9475 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UC1228588  Lotus strigosus C. L. Hitchcock and C. V. Muhlick 1962-3-16 22140 Riverside ca 8 mi se Corona; Temescal Canyon Comment
  UCR226062  Lotus strigosus A. C. Sanders, T. B. Salvato 2011-4-1 38965 Riverside Peninsular Range, Lake Elsinore, hill 90 m NE of intersection of Baker St. and Bunker St., 0.35 km NW of Hwy 74 395 Comment
  UCR241248  Lotus strigosus T. B. Salvato, Tracy Tennant 1998-4-16 MOR- 1210 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Potrero Canyon about 1 mile above locked gate, east side of road near old corrals, tree stand P-03 976 Comment
  UCR42356  Lotus strigosus var. hirtellus N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 189 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  UCR52010  Lotus tomentellus Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2184 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  JEPS48835  Lupinus Marjorie D. Clary 1932-5-13 952 Riverside summit Little San Bernardino Mts. Keys View, Little San Bernardino Mts.; , Keys View 1524 Comment
  POM349949  Lupinus arizonicus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  RSA792482  Lupinus arizonicus Justin M. Wood, Dustin Ray 2011-4-28 3844 Riverside Sonoran Desert: Chuckwalla Valley; Eagle Mountain Road, 2.8 miles west of Desert Center and 0.9 miles north of I-10. 312 Comment
  RSA86945  Lupinus arizonicus F. W. Peirson 1921-4-13 2497 Riverside Deep Canyon, about 12 miles southeast of Palm Springs. 274 Comment
  SEINET6180890  Lupinus arizonicus David B. Dunn 1946-3-16 2060 Riverside Collected on dry plateau 1/2 mile Northeast of Pushawalla Palms (Springs). Indio Hills.; 0 Comment
  UCR148318  Lupinus arizonicus John F. Green 2005-1-12 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  RSA718299  Lupinus arizonicus Michael Honer, L. Hulse 2004-4-2 1880 Riverside East Wide Canyon; near MWD aqueduct, appx 2 mi. N of Dillon Rd. 488 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
  RSA741102  Lupinus bicolor Scott D. White, Justin M. Wood 2008-6-5 12083 Riverside San Jacinto Mountains: Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  RSA757746  Lupinus bicolor LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4348 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon., Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  SD51696  Lupinus bicolor David Dunn 1941-3-29 932 Riverside 2.0 miles west of Corona. Comment
  UCR152641  Lupinus bicolor A. C. Sanders 2005-4-22 29603 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR171985  Lupinus bicolor John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula; Long Canyon, Southern California Edison right of way, intersection of Southern Cross Road and Agena Street W to Candida Drive 366 Comment
  UCR91867  Lupinus bicolor A. C. Sanders, S. Hawkins 1996-4-24 18076 Riverside San Bernardino Mtns, Morongo Indian Reservation, SE edge of Burro Flats in vicinity of natural pond & bog 1159 Comment
  RSA314671  Lupinus bicolor subsp. marginatus R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55496 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  RSA562460  Lupinus bicolor subsp. microphyllus Steve D. Boyd, Tim S. Ross 1992-5-5 7227 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail 732 Comment
  UCR138139  Lupinus bicolor subsp. microphyllus D. L. Banks, V. W. Steinmann 1997-3-13 1457 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  POM350018  Lupinus bicolor subsp. umbellatus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  RSA590649  Lupinus bicolor subsp. umbellatus E. W. Lathrop 1960-4-15 4747 Riverside 14 miles west of Murrieta, in low valley pasture in Tenaja Canyon. 610 Comment
  RSA744310  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
  SDSU17527  Lupinus concinnus Jerry Jenkins 2001-4-3 2001 -042 Riverside Santa Margarita Ecological Reserve. West Side of Santa Margarita river. UTM transfered to GIS. Comment
  SEINET2062867 Image available Lupinus concinnus J. Easton 1987-4-23 Riverside E of Anza along Hwy 371, Hamilton Creek Canyon. 1249 Comment
  POM229448  Lupinus concinnus subsp. optatus Philip A. Munz 1937-5-30 15080 Riverside Northwest slope of Santa Rosa Mountain. 2134 Comment
  RSA249470  Lupinus concinnus subsp. optatus John F. Emmel 1973-4-7 430 Riverside Carrizo Creek wash just below Dos Palmas Spring, NE of Pinyon Crest, E. end San Jacinto Mts. 1037 Comment
  RSA407146  Lupinus concinnus subsp. optatus Gale Sphon 1955-5-21 s.n. Riverside One mile north of Lake Fulmore Comment
  RSA407148  Lupinus concinnus subsp. optatus Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  RSA619245  Lupinus concinnus subsp. optatus R. S. Woglum 1937-5-22 565 B Riverside Santa Rosa Mountains. Comment
  POM229043  Lupinus excubitus var. austromontanus Philip A. Munz 1937-5-30 15140 Riverside Santa Rosa Peak. 2409 Comment
  CLARK-A1528-2840  Lupinus hirsutissimus John C. Roos 1952-4-9 5511 Riverside Riverside 380 Comment
  RSA413697  Lupinus hirsutissimus E. Crow 1929-2-24 178 Riverside Near Cabazon, NW Colorado Desert Comment
  RSA757627  Lupinus hirsutissimus LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4327 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon., Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  SD137767  Lupinus hirsutissimus Darin L. Banks 1995-4-11 175 Riverside Agua Tibia Mountains Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, along the Dripping Springs Trail 950 Comment
  UCR107396  Lupinus hirsutissimus B. G. Pitzer 1997-3-23 2951 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  UCR92533  Lupinus hirsutissimus Scott D. White 1995-8-23 3583 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  UC130314 Image available Lupinus hyacinthinus H. M. Hall 1897-7-22 712 Riverside San Jacinto Mts.; ; Riverside, San Jacinto Mts. 3261 Comment
  LA205137  Lupinus latifolius var. parishii Elizabeth McClintock; 1936-7-20 sn Riverside Idyllwild, San Jacinto Mts Comment
  SD229159  Lupinus latifolius var. parishii Dick Schwenkmeyer 2012-6-27 737 Riverside May Valley, approx. 5 miles southeast of Idyllwild town center, Mt. San Jacinto, Riverside County, CA. 1531 Comment
  UCSB3284  Lupinus microcarpus var. densiflorus Bobkowski, Jr., Vincent 1960-5-15 Riverside Van de Venter Flats, approx. 25 miles south of Idyllwild on State Highway 74 Comment
  UC68637  Lupinus sparsiflorus H. M. Hall May 1905 5999 Riverside Cottonwood Pass; Colorado Desert 609 Comment
  UCR153428  Lupinus sparsiflorus Scott D. White 1999-5-24 7383 Riverside Peninsular Ranges/ Perris-Aguanga Basin, San Jacinto Valley, San Jacinto River wash: just N of the city of San Jacinto, about 1 mile SE of State St. Bridge 479 Comment
  UCR241254  Lupinus sparsiflorus T. B. Salvato, Tracy Tennant 1998-4-16 MOR- 1204 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Potrero Canyon about 1 mile above locked gate, east side of road near old corrals, tree stand P-03 976 Comment
  UCR22037  Lupinus truncatus Steve Boyd 1980-5-11 241 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  RSA249830  Luzula comosa Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38075 Riverside San Jacinto Mountains: San Bernardino National Forest. Above James Reserve in Hall Canyon 1677 Comment
  UC2979  Luzula comosa var. laxa H. M. Hall July, 1901 2460 Riverside San Jacinto Mountains. Tahquitz Valley 2133 Comment
  POM179062  Lycium andersonii R. H. Peebles, H. F. Loomis 156 -C Riverside Monsen Canyon, Eagle Mts. Corollas Desert. Comment
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Nov 22 2011
  UCR244872  Lycium andersonii Jim Andre 2012-3-19 21393 Riverside Sonoran (Colorado) Desert, Palen Mountains, along Palen Pass Rd at Palen Pass 383 Comment
  JEPS12420  Lycium cooperi W. L. Jepson 1928-4-25 12612 Riverside Cottonwood Spring Colorado Desert, Eagle Mountains 731 Comment
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Oct 9 2010
  JOTR35222  Lycium fremontii La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 3645 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; deep-cut drainage in southwest Pinkham Wash (Stop 7) Comment
  CAS-BOT-BC231498  Lycium torreyi Roxana S. Ferris 1918-6-19 1013 Riverside Colorado River bottoms near Blythe Comment
  UC303698  Lycium torreyi Ivan Johnston 1917-4-4 Riverside Palm Canyon Comment
  SD237516  Lythrum californicum Jeremiah George 2011-8-9 Riverside Peninsular Range; Elsinore Trought: north shore of Lake Elsinore, south end of Lehr Dr. 384 Comment
  UCR115157  Lythrum californicum Mitch Provance 2000-7-2 2259 Riverside San Bernardino Valley Region, Riverside, Santa Ana River wash, c. 0.25 mi north of the Market St. Bridge 244 Comment
  UCR89978  Lythrum californicum Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  SD70892  Lythrum hyssopifolia Helen V. Witham 1969-7-2 174 a Riverside Common near drainages, pools, etc. De Luz Creek crossing, 4 mi. N. of De Luz. 249 Comment
  RSA575859  Machaeranthera asteroides var. asteroides Steve Boyd 1980-9-22 s.n. Riverside Lakeview Mountains, Juniper Flats area along Juniper Flats Rd. at '4 J's Ranch.' Comment
  SEINET11799418  Machaeranthera asteroides var. asteroides Unknown 1936-1 12853 Riverside western foothills of San Jacinto Mts Comment
  UCR20174  Machaeranthera canescens subsp. ziegleri Jeanine Derby, T. P. Krantz 1977-1 s.n. Riverside Santa Rosa Mtns, Santa Rosa Mountain, along [Forest Service Road] 7S02 to summit Comment
  POM232417B  Mahonia nevinii Fulmor 1932-9-8 s.n. Riverside On left side of road from Temecula to Oak Grove, San Diego Co., Calif. (about half a mile east of Dripping Springs). Comment
  CSUSB1366  Malacothamnus fasciculatus Rand Ch. Isbell 1970-5-24 13 Riverside Box Springs Canyon Box Springs Canyon, city of Riverside 350 Comment
  UCR106341  Malacothamnus fasciculatus John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  RSA0087585  Malacothamnus fasciculatus Louis C. Wheeler 1976-3-30 s.n. Riverside San Jacinto Mountains: Falls Creek, north side of Mount San Jacinto. 549 Comment
  CAS-BOT-BC347690  Malacothrix glabrata L. R. Abrams 1926-3-27 11126 Riverside Near Whitewater Comment
  CAS-BOT-BC347701  Malacothrix glabrata A. C. Sanders; J. Dice; K. Rose; D. Woodard 1995-3-29 16274 Riverside San Jacinto Mtns./San Gorgonio Pass: alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village Comment
  JEPS36648  Malacothrix glabrata Newlon 1922-4-3 427 Riverside 6 mi w Indian Wells Comment
  POM184719  Malacothrix glabrata C. L. Hitchcock 1932-4-7 12212 Riverside 5 miles S of Cottonwood Springs, East Riverside County Comment
  POM362311  Malacothrix glabrata N. C. Cooper 1944-4-21 1154 Riverside Banning 701 Comment
  RSA145914  Malacothrix glabrata William McKinley Klein 1958-2-11 32 Riverside 2.6 mi. east of Cabazon on hwy. 70-99 545 Comment
  RSA779622  Malacothrix glabrata Duncan S. Bell 2010-4-1 656 Riverside Arica Mountains: east side of the mountain range, west side of Rice Valley, near the lowest eastern drainage point for the Arica mountains; approximately 4.3 air miles southeast of the ghost town of Rice. 209 Comment
  UC68990  Malacothrix glabrata H. M. Hall May, 1905 6028 Riverside near Pinto Mts.; Colorado Desert Comment
  UCR167076  Malacothrix glabrata Scott D. White 2005-3-29 10842 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  UCR85143  Malacothrix glabrata A. C. Sanders, G. K. Helmkamp, P. MacKay 1995-3-12 16042 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  CAS-BOT-BC347894  Malacothrix saxatilis var. tenuifolia Katherine Esau 1935-6-20 s.n. Riverside Beaumont Grade Comment
  RSA692250  Malacothrix saxatilis var. tenuifolia Scott D. White, Michael Honer 2003-5-27 9401 Riverside Gavilan Hills / Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak '2349.' 396 Comment
  UC1979612  Malacothrix saxatilis var. tenuifolia D. L. Banks, Victor Steinmann 1995-7-10 0743 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak. Comment
  SEINET3449034  Malva sylvestris Unknown 2001-4-29 33518 Riverside Calimesa, Calimesa, south side of route interstate 10 right of way, 0.2 miles west of Desert lawn Road exit, small drainage culvert at San Timoteo Wash 700 Comment
  RSA162694  Malvella leprosa J. D. Olmsted 1959-9-23 1022 Riverside San Jacinto River crossing by Lakeview Rd. from US 395 NW of Lakeview Mts 427 Comment
  UCR275221  Malvella leprosa A. C. Sanders, Karen Kirtland 2016-9-23 42630 Riverside San Jacinto Valley, edge of Mystic Lake at duck hunting ponds below abandoned dairy south of Gilman Springs Rd. between Jack Rabbit Tr. and Eden Hot Springs Rd. 434 Comment
  UCR50576  Marina parryi B. G. Pitzer 1988-3-10 0646 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
  UCSB59678  Marina parryi Boyd, Steve; Meury, S.; Noyes, R. 1988-3-10 Riverside N end Palen Mtns., 2 mi. west of Palen Pass 300 Comment
  RSA509536  Marrubium vulgare Ed LaRue 1989-4-7 s.n. Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd & Mockingbird Canyon Road. 366 Comment
  UCR141352  Marsilea vestita Chris E. True, Robert Cox 2004-4-22 s.n. Riverside San Jacinto Valley, San Jacinto Wildlife Area, directly off the NE corner of Pond One, c. 4 miles SE of Moreno 436 Comment
  UCR26314  Marsilea vestita John C. Roos 1937-4-10 2072 Riverside Lake Elsinore 366 Comment
  RSA0119894  Matelea parvifolia Duncan S. Bell, Thomas Stoughton 2016-4-12 9222 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 3.5 air miles southwest of the junction of Agua Alta Canyon and Martinez Canyon. 775 Comment
  RSA0013134  Matricaria discoidea LeRoy Gross, Caitlin Elam 2013-5-14 6062 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
  UC35565  Matricaria occidentalis Mrs. Gregory 1890-1 Riverside San Jacinto Comment
  RSA262114  Meconella denticulata E. W. Lathrop 1969-5-8 7021 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  RSA522305  Medicago lupulina Steve D. Boyd 1989-7-9 3775 Riverside City of Riverside, 4863 Rubidoux Ave. Comment
  UCR155827  Medicago polymorpha 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
  UCR37473  Medicago polymorpha Steve Boyd 1981-4-10 s.n. Riverside Gavilan Hills, Gavilan Hills, section 34, where road crosses stream [SE of Gavilan Springs Ranch] 640 Comment
  CSUSB1099  Medicago sativa Heather Johnston 1967-5-21 052167 3 Riverside By exit from route 395 onto Lawless Road. 365 Comment
  SEINET273054 Image available Melica frutescens A. C. Sanders 1997-4-3 20145 Riverside Lake Skinner area; near N foot of Black Mtn slopes S of Crown Valley. UTM 10km cell: MH-9E 2N. Domenigoni Valley 655 Comment
  RSA0011411  Melica imperfecta Duncan S. Bell, Caitlin Elam 2013-5-21 4967 Riverside On the southern side of West Ridge at the southern end of Strawberry Valley about 1.75 air miles southwest of Idyllwild. 1592 Comment
  RSA403490  Melica imperfecta E. Crow 1929-3-17 206 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  UCR165425  Melica imperfecta A. C. Sanders 2005-4-21 29582 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  UCR195616  Melica imperfecta Pesach Lubinsky, Jeffrey Ross 1998-5-31 049 Riverside San Bernardino Mtns., Morongo Indian Reservation, eastern fork of Lion Canyon 713 Comment
  UCR241212  Melica imperfecta Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 52 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Canyon near woodland stand H-02 945 Comment
  SD70932  Melilotus albus Helen V. Witham 1969-7-2 179 Riverside DeLuz Creek Crossing, 4 miles north of DeLuz 249 Comment
  CAS-BOT-BC223709  Mentzelia E. A. McGregor 1917-3-19 2053 Riverside Colorado Desert. Indio Comment
  RSA796028  Mentzelia affinis Duncan S. Bell 2009-4-18 236 Riverside Arica Mountains; northeast of range, approximately 2.25 air miles southwest of the ghost town of Rice. 224 Comment
  UCR232521  Mentzelia albicaulis Dave Silverman, Onkar Singh 2010-3-27 7870 Riverside Sonoran (Colorado) Desert, McCoy Wash, N of Palo Verde Mesa, 3.5 km SW of railroad, W of the A Canal and Levee Blvd, and c. 7 km north of Blythe Airport 135 Comment
  RSA0121633  Mentzelia desertorum Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 949 Riverside Dune system along Midland Rice Road, South of Arica Mountains. 305 Comment
  UCR214548  Mentzelia desertorum A. C. Sanders 2010-3-15 37415 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  UC454537  Mentzelia dispersa I. J. Condit 1910-6-24 Riverside San Jacinto Mountains 914 Comment
  CHSC109286  Mentzelia involucrata Steve Boyd; T. Morgan, A. Virgen, S. DeGroot, V. Arvizu 2004-5-14 11219 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 at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  JOTR29305  Mentzelia involucrata La Doux, Tasha, Mike Bell 2006-5-17 1382 Riverside Joshua Tree National Park. East Deception Canyon Comment
  RSA698075  Mentzelia involucrata J. R. Bruff 1928-4-2 s.n. Riverside Whitewater-at cork of 29 Palms road. Comment
  RSA440420  Mentzelia involucrata var. megalantha W. D. Pierce 1940-2-24 s.n. Riverside Painted Canyon, Orocopia Mts. Comment
  POM48607  Mentzelia laevicaulis Mary F. Spencer 1919-7-9 s.n. Riverside San Jacinto Mt. 549 Comment
  UCR199577  Mentzelia laevicaulis Scott D. White, Angelia Carey 2004-7-2 10580 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  RSA0127364  Mentzelia longiloba var. longiloba Anstruther Davidson 1928-3-18 s.n. Riverside Near Blythe. Comment
  UC64490  Mentzelia montana H. M. Hall 1901-6-1 2225 Riverside San Jacinto Mountains, Onstatt's Valley 1584 Comment
  SBBG4882  Mentzelia veatchiana C. H. Muller 1952-4-6 9500 Riverside 2 mi E of Shavers Summit, E of S gate to Joshua Tree Nat Monument Comment
  RSA588974  Microseris douglasii subsp. platycarpha D. E. Bramlet 1994-4-20 2369 Riverside Shipley Reserve/SE corner of Lake Skinner Co. Park. Site is beside a large, ephemeral drainage S of the equestrian trail. It is approx 762 m SE of the park entrance road and 579m NW of East Benton Road. 518 Comment
  UCR281229  Microseris douglasii subsp. platycarpha Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-27 317- 45 Riverside Temescal Valley, East end of Concordia Ranch Rd., open space adjacent to east side of the equipment yard 390 Comment
  RSA648663  Microseris heterocarpa R. E. Riefner 1998-3-22 98 -184 Riverside Lake Elsinore. Elsinore Trough between Willard and Murrieta Creek. Comment
  UCR182514  Microseris heterocarpa Mitch Provance 2005-5-17 6596 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  RSA528103  Microseris lindleyi Steve Myers 1991-4-15 91 -13 Riverside City of Banning, W of fields Road, N of Interstate 10 & S o the Morongo Indian Reservation. 671 Comment
  UCR107827  Microseris lindleyi D. L. Banks 1997-5-5 2006 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
  UCR152633  Microseris lindleyi A. C. Sanders 2005-4-22 29590 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR91473  Microseris lindleyi Scott D. White, M. Jacobsmeyer 1996-4-20 3961 Riverside Perris-Aguanga Basin region, SW of Perris: hillside south of the San Jacinto River channel 518 Comment
  SEINET14452863  Mimetanthe pilosa B. Ertter, J. Strachan 1979-1 2978 Riverside Kenworthy Ranger Station on Rt 74 in Garner Valley, San Jacinto Mts Comment
  RSA550815  Mimulus aurantiacus var. pubescens David M. Thompson 1992-5-15 1063 Riverside Vicinity of Aguaga. 1.0 mi. NW of San Diego Co. line along Hwy 79. 680 Comment
  UC943818  Mimulus aurantiacus var. pubescens M. Van Rensselaer 1946-7-16 1922 Riverside above Idyllwild (Suicide Rock Trail) 1920 Comment
  UCR1657  Mimulus aurantiacus var. pubescens Leland R. Dykes 1962-5-1 61 Riverside Santa Ana Mtns, San Mateo Canyon Road, c. 10.5 mi west of Palomar Road, Murrieta Comment
  UCSB38664  Mimulus aurantiacus var. pubescens Cowan, Clark 1978-4-25 Riverside 6.7mi(10.7 km) SW on 74 from jct w/ 71; 4.6 mi(7.3 km) from Lake Elsinore; Sta. Ana Mts; Cleveland Nat. Forest; Whittaker transect #W-229 Comment
  UCR235220  Mimulus aurantiacus var. puniceus A. C. Sanders, John F. Green 2012-6-1 40239 Riverside Peninsular Range; Perris-Aguanga Basin Region, powerline route south of Ethanac Rd. and north of McPherson Rd., near south end of Richland Ln., E of Hwy 74, c. 6.1 km SW (219 deg. ) of Perris 495 Comment
  UCD122473  Mimulus bigelovii var. bigelovii P. C. Everett; E. K. Balls 1958-4-29 23017 Riverside U.S. Hwy. 60/70, Indio to Blythe, 1 mi. w. of Cactus City. 548 Comment
  JEPS23554  Mimulus brevipes Peter H. Raven 1958-5-17 12947 Riverside 7.4 mi se Banning (on road to Idyllwild); San Jacinto Mountains Comment
  RSA763894  Mimulus brevipes Doris Bowers 1972-4-15 1814 Riverside Dig at Rancho California - N/o camp 396 Comment
  POM19196  Mimulus diffusus H. Baer 1923-4-24 s.n. Riverside Rice canyon, Santa Ana Moutains Comment
  UCR169315  Mimulus guttatus T. B. Salvato, John F. Green 2004-5-27 602 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
  SBBG101796  Mimulus palmeri S. Boyd 1991-5-10 6207 Riverside Bedford Truck Trail on ridge between Bedford and McBribe Cyns 853 Comment
  UC27074  Mimulus palmeri H. M. Hall 1901-6-22 2230 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1615 Comment
  CSUSB897  Mimulus puniceus Mark T. Wexler 1973-5-13 Riverside Santa Ana Mountains Cleveland National Forest, 10.18 miles from Orange County line of State Route 74, on east face of Santa Ana Mountains. 457 Comment
  JOTR29224  Mirabilis albida La Doux, Tasha, Mike Bell 2005-9-15 1337 Riverside Joshua Tree National Park. Near Hidden Valley campground Comment
  UCR104012  Mirabilis bigelovii George K. Helmkamp 1998-4-4 3131 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  CLARK-A1528-3278  Mirabilis californica John C. Roos 1966-4-23 Riverside Comment
  SEINET3092406 Image available Mirabilis californica Diane L. Ill 1985-5-12 44 Riverside Gavilan Hills, Hartford Springs, 1.9 miles south of Cajalco Road on Gavilan Road. Ten to 40 feet from road edge. Comment
  UCR90747  Mirabilis californica Scott D. White 1995-4-5 2746 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  SD186259  Mirabilis laevis A. C. Sanders, T. B. Salvato 2004-2-16 27390 Riverside Foothills at edge of Temescal Valley, south of Brown Canyon. 451 Comment
  UCR120587  Mirabilis laevis Steven R. Hill 2001-5-3 33683 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  JEPS61346  Mirabilis laevis var. crassifolia Marjorie D. Clary 1932-3-20 1680 Riverside Mission Creek, NW of Garnet 457 Comment
  UC1228586  Mirabilis laevis var. crassifolia C. L. Hitchcock and C. V. Muhlick 1962-3-16 22148 Riverside Temescal Canyon, ca, 12 miles SE of Corona Comment
  RSA464249  Mirabilis laevis var. retrorsa Martha Hilend 1928-3-9 66 Riverside Near White Water Bridge. Colorado Desert. Comment
  SEINET3161596  Mirabilis laevis var. retrorsa S. B. Parish 1907-4-24 6073 Riverside western border of the Colorado Desert 360 Comment
  RSA517843  Mirabilis laevis var. villosa Steve Boyd, Orlando Mistretta 1986-3-13 1480 Riverside West Side Palen Mts: NE of Desert Center; first large canyon at NW tip of western segment of range. Comment
  POM4440  Mohavea confertiflora H. M. Hall 1905-4-16 5778 Riverside Canyon near Indio Mt. in the Colorado Desert, Lower Sonoran Zone, 150 Comment
  RSA550268  Mohavea confertiflora Walter Wisura, J. Dolan, M. Wall 1992-3-24 4628 Riverside Low desert: 10 mi NE of Mecca on Box Canyon Rd. Comment
  SEINET6192022  Mohavea confertiflora R. L. Dressler 1949-3-19 388 Riverside Box Canyon, Orocopia Mountains Comment
  UC68706  Mohavea confertiflora H. M. Hall Apr. 1905 5767 Riverside Colorado Desert, Cathedral Canyon Cathedral Canyon; Colorado Desert, Cathedral Canyon 91 Comment
  UCSB17614  Mohavea confertiflora Gerhart, Janet 1963-4-6 Riverside Coachella Canal; siphon #22; 5 mi S of intersection with Salt Creek Wash Comment
  UCSB7452  Mohavea confertiflora Broder, Richard 1958-3-1 Riverside 1.5 miles up White Water Canyon from US 60-70 Comment
  JOTR35423  Mollugo cerviana Harding, Mitzi, Mark Wheeler 2012-9-4 188 Riverside Joshua Tree National Park. Pinto Basin; near turkey flats parking area; sandy flats (Stop 1) 509 Comment
  RSA782035  Mollugo cerviana Duncan S. Bell 2011-10-22 2978 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  UCR25399  Mollugo cerviana John C. Roos 1946-9-14 3015 Riverside San Jacinto Mtns., Thomas Valley 1375 Comment
  POM10087  Monardella australis subsp. australis C. Epling s.n. Riverside San Jacinto Mtns., Tahquitz Valley Comment
  RSA401587A  Monardella lanceolata var. lanceolata M. B. Dunkle 1933-7-20 s.n. Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  RSA667  Monardella macrantha subsp. hallii J. T. Howell 1927-8-2 573 Riverside Road to Hemet, Mt. San Jacinto. 1372 Comment
  CAS-BOT-BC215492  Monardella nana E. McClintock; H. Lewis 1941-6-29 77 Riverside Road up Santa Rosa Mt. 1 mile beyond canyon where stream crosses road Comment
  POM11507  Monardella nana P. A. Munz 1922-7-6 s.n. Riverside Between Tahquitz and Round Valley. 2287 Comment
  UC1499882  Monardella nana Elizabeth McClintock 1941-5-31 40 Riverside 1 1/2 to 2 miles from turn off Anza Monument on road to Coyote Canyon Comment
  RSA651654  Monardella nana subsp. arida Elizabeth McClintock, M. McClintock, D. Weiner 1941-7-11 103 Riverside Black Mnt, 0.5 mile beyond Black Mnt Spring. Comment
  SEINET10829421  Monardella nana subsp. arida A. Graff 1993-6-24 Graff 63 Riverside San Bernadino National Forest, Santa Rosa Mtn. .75 miles down Santa Rosa Mtn. Rd. (USNFS Rd. 7S02) from Santa Rosa Camp, on left side of road (heading back towards Hwy. 74). T7S,R5E,S29. 1 small clump, close to, but not under Quercus chrysolepis. Bare, gravelly road bank. Comment
  SEINET10582076  Monardella nana subsp. tenuiflora A. Graff 1993-6-23 Graff 40 Riverside San Bernadino National Forest, San Jacinto Mtns. From Hwy. 243, take Black Mtn. Rd. (USNFS Rd. 4S01) to junction with USNFS Rd. 4S02 and go 0.1 mile down 4S02. Monardella nana is on the right roadside. T4S,R2E,S23. Dry, gravelly, shaded, gentle slope. Locally sparse, with Pinus ponderosa, Arctostaphylos pringlei, Lotus scoparius, Bromus orcuttianus, Elymus elymoides, Elymus glaucus. Need USNFS permission to collect. Comment
  SD132294  Monardella robisonii K. Stolte 1979-9-4 Riverside Joshua Tree National Monument. Keys Ranch, Hidden Valley area. 100 meters SW of the National Parks Service trailer Comment
  UCR125896  Monardella robisonii A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24614 Riverside Mojave Desert, Little San Bernardino Mtns, Jumbo Rocks Campground, Joshua Tree National Park 1341 Comment
  UCR132730  Monardella robisonii A. C. Sanders, Mark A. Elvin, Jane Rodgers 2001-5-11 24254 Riverside Mojave Desert, Joshua Tree National Park, Jumbo Rocks 1341 Comment
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Apr 21 2013
  SD255660  Monolopia lanceolata Cindy Daverin 2015-3-11 Riverside Gavilan Hills, El Sobrante Landfill mitigation property/Lake Mathews-Estelle Mountain Reserve, south of Lake Mathews and of Cajalco Road, 1.3 km WNW (288a^z) of Monument Peak (Lake Mathews 7.5'Q) 442 Comment
  RSA784777  Monoptilon bellioides Duncan S. Bell 2012-3-18 3181 Riverside The Mecca Hills; southeastern section of hills; in labyrinthian slot canyons to the east of Hidden Canyon, approximately 2.2 air miles southwest of Hidden Spring. 74 Comment
  UC501449  Monoptilon bellioides Frank W. Peirson 1927-4-24 7899 Riverside Cottonwood Spring Comment
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Oct 9 2010
  UCR85187  Muhlenbergia microsperma A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16182 Riverside Coachella Valley/San Jacinto Mtns. foothills, Chino Canyon near the Palm Springs tram station 793 Comment
  RSA0049531  Muhlenbergia microsperma J. C. Roos 1952-4-9 5507 Riverside East face Mt. Rubidoux. 365 Comment
  CAS-BOT-BC274909  Muhlenbergia rigens Carl B. Wolf 1936-6-17 7960 Riverside Santa Ana Mountains, Tenaja Road, 1.4 miles off Ortega Highway, on road to La Cienaga 609 Comment
  UCD87108  Muhlenbergia rigens F. M. Reed 1934-9-26 8955 Riverside San Jacinto Mts. Creek bed adjoining Herkey Creek Camp. 1341 Comment
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May 1 2011
  RSA527845  Muilla maritima Scott D. White 1991-5-13 91 -118 Riverside Hwy 79, immediately W of U.S. Forest Service Campground at Dripping Springs. 549 Comment
  SD146221  Myoporum laetum Mitch Provance 1998-6-6 690 Riverside Jurupa Mountains: Jensen Quarry, Sunnyside area on west side of Sierra Blvd, just east of corner of 29th St. and Scenic Drive. 305 Comment
  RSA532576  Myosurus minimus subsp. apus D. E. Bramlet 1991-5-9 2139 Riverside 6.1 km west of Hemet and some 135-670m west of Intersection of Florida and Warren. The population is some 8-15m. north of Florida Ave. and 5m east of the MWD canal. 500 Comment
  RSA532578  Myosurus minimus subsp. apus D. E. Bramlet 1991-6-1 2189 Riverside 6.1 km west of Hemet and some 135-670m west of the intersection of Florida and Warren. The population is some 8-15m north of Florida Ave. and 5m east of the MWD Canal. 152 Comment
  UCR17317  Najas marina Carl Yonge 1976-7-5 s.n. Riverside Western Colorado Desert, Indio, lake in municipal golf course [Ave. 42, sea level] 0 Comment
  RSA253658  Nama demissa Noel Holmgren 1973-3-23 6485 Riverside At south entrance to Joshua Tree National Monument, near I-10, 24 miles east of Indio. 549 Comment
  UC880828  Nama demissa var. demissa Ira L. Wiggins 1937-3-9 8762 Riverside gravelly wash 5 mi w Shaver's Well; w of Shaver's Well Comment
  UCR139450  Nama hispida E. C. Jaeger 1922-4-9 720 Riverside Sonoran (Colorado) Desert, Wiley's Well, 20 mi SW of Blythe 183 Comment
  UCR115940  Navarretia atractyloides Mitch Provance 1998-6-11 677 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville; housing development now known as Southridge 320 Comment
  UCR154380  Navarretia atractyloides A. C. Sanders, Mike Misenhelter 2005-6-15 30950 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  UCR174094  Navarretia atractyloides A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32550 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 488 Comment
  RSA0015059  Navarretia fossalis D. E. Bramlet, Fred Roberts, I. Anderson 2005-6-10 3875 Riverside 4.5 miles west of Hemet. The site is located 1000 feet south of Stetson and 300 feet east of California. 456 Comment
  RSA356635  Navarretia hamata W. A. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47320 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro; desiccated bed of vernal pools near N end of Mesa 610 Comment
  UC472774  Nemacaulis denudata var. gracilis P. C. Standley 1920-4-6 1376 Riverside in vupibus pr. Palm Springs; Colorado Desert 121 Comment
  RSA0120324  Nemacladus Duncan S. Bell, Thomas Stoughton 2016-4-13 9272 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  RSA0126448  Nemacladus longiflorus Henry J. Ramsey, Henry Ramsey 1937-5-30 2133 Riverside Santa Rosa Mountains. Comment
  RSA0126339  Nemacladus longiflorus var. longiflorus Scott D. White 1991-5-10 91 -157 Riverside Hwy 79, immediately W of U. S. Forest Service campground at Dripping Springs. 549 Comment
  SEINET2063094 Image available Nemacladus ramosissimus A. C. Sanders, B. Pitzer 1986-4-30 6481 Riverside San Jacinto Mountains, upper Bee Canyon, 1.3 milesabove the mouth of the canyon at the San Jacinto River valley. 671 Comment
  RSA79151  Nemacladus rubescens P. A. Munz, Percy C. Everett 1952-5-2 16249 Riverside 2 miles west of Desert Hot Springs 183 Comment
  POM289751  Nemophila menziesii Lyman Benson 1932-3-26 3174 Riverside Temecula Grade. Temecula Valley. 549 Comment
  RSA783625  Nemophila menziesii J. D. Olmsted 1962-5-3 3479 Riverside on Baldy Mountain along Pines to Palms Hwy, 1.5 miles S of 4936 summit south of Mt. Center 1311 Comment
  UCR91423  Nemophila menziesii Scott D. White 1995-3-30 2660 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
  UCR35124  Nemophila menziesii var. integrifolia L. B. Ziegler 1968-5-1 280 Riverside San Jacinto Mtns., at Chimney Flats 1468 Comment
  POM13032  Nicotiana clevelandii Philip A. Munz, D. D. Keck 1922-4-13 4921 Riverside Shavers Well, near Mecca. 91 Comment
  UCR224996  Nicotiana clevelandii Dave Silverman, Onkar Singh 2010-3-27 7861 Riverside Sonoran (Colorado) Desert, McCoy Wash, N of Palo Verde Mesa, 4.8 km WSW of Mesaville siding, W of A Canal/Levee Blvd, & c. 6 km N of Blythe Airport 131 Comment
  RSA426699  Nicotiana glauca N. C. Cooper 1942-4-17 573 Riverside Palm Springs. Comment
  JOTR38662  Nicotiana obtusifolia Hodges, Stephen R. 2017-2-1 668 Riverside Joshua Tree National Park. Eagle Mountains, just inside the park boundary on the road to Pinto Wells Comment
  SBBG6609  Nicotiana obtusifolia H. and M. Dearing 1936-12-26 1702 Riverside foot of grade, Palms to Pines Hwy Comment
  UCR133675  Nicotiana quadrivalvis John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  RSA0060148  Nicotiana quadrivalvis Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3559 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  PASA2135  Nicotiana trigonophylla 1928-3-3 Riverside Hidden Springs, Colorado Desert Comment
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Aug 27 2016
  POM14396  Nolina bigelovii Philip A. Munz, D. D. Keck 1922-4-9 4907 Riverside Vicinity of Corn Springs, Chuckwalla Mtns. 671 Comment
  RSA0124815  Nolina bigelovii Duncan S. Bell, LeRoy Gross 2016-3-9 8852 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 1.75 air miles north of Gucci Spring. 551 Comment
  UCR26376  Nolina parryi A. C. Sanders 1981-7-11 2203 Riverside San Jacinto Mtns., Bull Canyon Road just inside the Forest Service boundary Comment
  RSA0016944  Notholaena californica subsp. leucophylla Charlotte M. Wilder 1907-4-8 771 Riverside Murray Canyon, Colorado desert. Comment
  CAS-BOT-BC171494  Oenothera californica Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  JOTR34271  Oenothera californica subsp. avita La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3287 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Sandy, narrow canyon at base of Quail Mountain with bouldery/rocky slopes; North end of Juniper Flats (Stop 3) Comment
  POM38728  Oenothera californica subsp. californica Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  RSA192049  Oenothera californica subsp. californica E. W. Lathrop 1960-5-7 5243 Riverside Murrieta. Comment
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Mar 14 2014
  RSA771507  Oenothera decorticans Keith E. Hoffmaster 1935-3-31 592 Riverside Palm Springs Comment
  SD39503  Oenothera deltoides Edith A. Purer 1935-4-21 6490 Riverside Colorado Desert, near Palm Springs. Comment
  RSA719038  Oenothera primiveris Michael Honer 2005-3-11 2062 Riverside Rice Valley; 4.5 mi. SSE of Rice; 1.5 mi. E of ATSF railway. 220 Comment
  CAS-BOT-BC427464  Oligomeris linifolia W. L. Jepson 1914-5-21 6059 Riverside Colorado Desert. Indio 7 Comment
  CAS-BOT-BC427469  Oligomeris linifolia L. A. Greata 1905-1-1 490 Riverside Coachella Comment
  POM122332  Oligomeris linifolia Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  UCR117377  Oligomeris linifolia B. G. Pitzer 1998-2-1 3446 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed 427 Comment
  UCR134602  Oligomeris linifolia Marisa Sripracha, Kyle Boyd 2004-2-14 025 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  UCR148316  Oligomeris linifolia John F. Green 2005-1-12 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  UCR72184  Oligomeris linifolia Theo Glenn 1992-3-31 92 20 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  UC52164  Olneya tesota E. E. Schellenger Jul 25 1903-Aug 14 1903 12 Riverside Chuckwalla Bench; Colorado Desert Comment
  UCR59519  Opuntia basilaris Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3582 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, NW end of lake at E end of Oak Mtn., north of Wilson Creek 488 Comment
  POM274148  Opuntia phaeacantha Lyman Benson 1933-3-31 4146 Riverside San Bernardino Mt. Range. US 66 [actually US 60], Beaumont. 457 Comment
  POM288145B  Opuntia phaeacantha David Griffiths 1909-5-10 9675 Riverside Banning. Comment
  CAS-BOT-BC56226  Opuntia polyacantha var. erinacea C. B. Wolf; P. C. Everett 1938-9-29 9458 Riverside Field redacted by CAS, contact the data manager for more information 1219 Comment
  CAS-BOT-BC56888  Opuntia polyacantha var. erinacea C. B. Wolf 1938-6-11 3196 Riverside Field redacted by CAS, contact the data manager for more information 1219 Comment
  UCR48211  Orcuttia californica R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47312 Riverside Santa Rosa Plateau, Santa Ana Mtns., Rancho California, Mesa de Burro 610 Comment
  CAS-BOT-BC502862  Orobanche cooperi subsp. cooperi Ynez Whilton Winblad 1937-4-22 s.n. Riverside Box Canyon Comment
  JEPS10834  Orobanche fasciculata W. L. Jepson and H. M. Hall May 17, 1901-June 1, 1901 1432 Riverside Journey of W. L. Jepson and H. M. Hall from Riverside to Santa Rosa Peak and Palomar, Southern California. Van Deventer's Ranch. Comment
  RSA495465  Orthocarpus purpurascens var. purpurascens Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-3-18 2994 Riverside Vail Lake area, Temecula Creek Cyn below Vail Lake dam. 418 Comment
  CLARK-A1528-4772  Oryzopsis hymenoides Alfred R. Roos 1937-4-18 2397 Riverside Snow Creek Comment
  RSA0034673  Oryzopsis hymenoides Norman C. Cooper 1945-3-24 1615 Riverside Cabazon. 457 Comment
  RSA458993  Osmorhiza brachypoda Christopher Davidson 1977-5-18 5618 Riverside Santa Ana Mts, Cleveland National Forest, Bear Springs. 1219 Comment
  UCR92776  Osmorhiza brachypoda D. L. Banks, Steve Boyd 1995-3-30 0113 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn, west of the Dripping Springs Alcove, east of the Woodchuck Trail. 713 Comment
  RSA434256  Paeonia californica Christopher Davidson 1973-4-1 1805 Riverside Agua Tibia Mountains. Highway 71/79 approximately 7 miles from junction of US 395 South. 412 Comment
  RSA434258  Paeonia californica N. C. Cooper 1947-4-5 2025 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  UCSB2032  Paeonia californica Krogen, Roger 1957-1 Riverside 2 mi. N of Whitewater Comment
  CAS-BOT-BC327893  Palafoxia arida L. R. Abrams 1926-3-26 11028 Riverside Palm Springs Comment
  UCD134891  Palafoxia arida Elizabeth Milauskas 1994-5-7 8 Riverside in Palm Springs on the Agua Calinete Indian Reservation. 4 blocks west of Via Monte Vista behind the dam. 161 Comment
  UCR124639  Palafoxia arida B. C. Templeton, I. W. Clokey 1930-4-9 1006 Riverside Sonoran (Colorado) Desert, North of Palm Springs 400 Comment
  POM363738  Palafoxia arida var. arida Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  UCSB9919  Palafoxia arida var. arida Gunnerson, Robert 1953-3-21 Riverside 9 miles east of Indio Comment
  VVC1457  Palafoxia arida var. arida A. C. Sanders 1996-11-23 19655 Riverside San Bernardino Mtns., Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, E of VAMB Captain 534 Comment
  RSA575932  Panicum capillare Steve Boyd 1994-10-14 8393 Riverside Southern Santa Ana Mts., San Mateo Canyon Wilderness Area of the Cleveland Nat'l Forest. San Mateo Canyon, sandy benches in canyon bottoms at the confluence with Bluewater Canyon. 329 Comment
  UCR82985  Panicum capillare A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15810 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  UCR14420  Panicum miliaceum A. C. Sanders 1974-7-25 938 Riverside Riverside, corner of Chicago and Pennsylvania 296 Comment
  RSA92743  Papaver californicum J. C. Roos 1952-5-19 5692 Riverside On hills north of Moreno. Comment
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May 20 2011
  UC56651  Parietaria pensylvanica H. M. Hall May 1901 1884 Riverside se base San Jacinto Mts. Comment
  UCR241413  Parkinsonia aculeata T. B. Salvato, Matt Malle, Tom Sullivan 2013-3-27 7439 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  JEPS121546  Parkinsonia florida Adam C. Schneider with Will Freyman 2014-2-16 392 Riverside Box Canyon Road. Comment
  SEINET3131702  Parkinsonia torreyana G. B. Grant 1906-1 910 -6723 Riverside Palm Springs Comment
  RSA0089248  Pectis papposa Ken Halama 2015-10-9 s.n. Riverside Perris Basin: Motte Reserve, c. 2.5 mi NW of Perris, eastern edge of the Gavilan hills. 542 Comment
  RSA781910  Pectis papposa Duncan S. Bell 2010-5-1 898 Riverside Arica Mountains: northwest section of the project area, approximately 2 air miles south of the junction of Highway 62 and the aqueduct access road. 283 Comment
  RSA780276  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-12 103 Riverside Unnamed Road heading toward Arica Mountains. Off Blythe/Rice Road. Base of Aricas. 334 Comment
  UCD134925  Pectis papposa var. papposa G. L. Webster; R. Hildreth 1966-12-10 7465 Riverside Joshua Tree National Monument, near Cottonwood Canyon. 701 Comment
  RSA777852  Pectocarya heterocarpa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 842 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
  RSA781807  Pectocarya heterocarpa Duncan S. Bell 2010-5-1 892 Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  RSA691961  Pectocarya linearis Scott D. White, Michael Honer 2003-4-9 8990 Riverside About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak 2349. 549 Comment
  UCR232790  Pectocarya linearis John F. Green 2008-4-15 0408- 25 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  RSA752561  Pectocarya linearis subsp. ferocula Justin M. Wood 2009-3-3 327 Riverside City of Murrieta, south of Tanaja bridge and west of Murrieta Creek. 341 Comment
  POM146227  Pectocarya penicillata F. M. Reed 1925-5-23 5031 Riverside Horsethief Canyon, Temescal Mountains. Comment
  RSA702735  Pectocarya penicillata Scott D. White, Michael Honer 2004-4-6 10052 Riverside Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  JEPS68191  Pectocarya peninsularis Marjorie D. Clary 1932-3-6 1965 Riverside 10 mi. w. Coachella (La Quinta Canyon); Colorado Desert, La Quinta Canyon 121 Comment
  UCR58488  Pectocarya setosa Ed LaRue 1989-1 s.n. Riverside foothills of San Bernardino Mtns, Hills east of Beaumont, along Potrero Creek, 0.5 mi. east of old San Jacinto Nuevo Y Potrero land grant 701 Comment
  UCR68716  Pectocarya setosa Steve Boyd, T. S. Ross 1990-5-11 4611 Riverside Agua Tibia Mountains, Cleveland National Forest, base of Agua Tibia Mtn, east of Dripping Springs campground, south of Hwy 79 671 Comment
  RSA686755  Pellaea andromedifolia J. D. Olmsted 1962-5-10 3630 Riverside Coldwater Canyon, Corona city water supply 396 Comment
  RSA771651  Pellaea mucronata var. mucronata Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4917 Riverside San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  SFV17402  Penstemon X parishii M. S. Valenzuela, P. Wilson 1998-6-3 68 Riverside Highway 74 near mile marker 73.56. 1220 Comment
  UCR27066  Penstemon X parishii T. P. Krantz, K. Berg 1982-5-26 s.n. Riverside San Jacinto Mtns., along Bonita Vista Road, north of Garner Valley Comment
  OBI29855  Penstemon centranthifolius Melissa Luckow, Rhonda Riggins 1982-4-15 819 Riverside Pinyon Pass Rd 0.1 mi NW of hwy 74 1006 Comment
  RSA295277  Penstemon clevelandii subsp. connatus R. S. Woglum 1937-5-22 544 Riverside Santa Rosa Mountains, Santa Rosa Mountain road and Hwy Palms to Pines Comment
  RSA412506  Penstemon clevelandii subsp. connatus Robert Gustafson, Gary D. Wallace 1982-5-19 2573 Riverside Pines to Palms Hwy (74), vicinity of Big Horn Sheep overlook. Comment
  NY601200  Penstemon clevelandii var. mohavensis A. M. Alexander 1941-5-4 2120 Riverside Barker Dam 1322.8 Comment
  RSA234077  Penstemon heterophyllus var. australis Robert F. Thorne, E. W. Lathrop 1969-6-6 39333 Riverside Santa Rosa Plateau: Rancho California. 610 Comment
  UC27466  Penstemon labrosus H. M. Hall July, 1901 2506 Riverside vicinity Strawberry Valley (San Jacinto Mountains, Southern California); San Jacinto Mountains, vicinity Strawberry Valley 1584 Comment
  UCSB18235  Penstemon spectabilis Matchett, Will 1964-5-16 Riverside 4.7 miles south of Interstate Highway 10 on Banning-Idelwild Road, San Jacinto Mountains 1158 Comment
  RSA583741  Penstemon spectabilis var. spectabilis Steve D. 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''. 762 Comment
  UC35609  Pentachaeta aurea H. M. Hall May 20 1899-May 22 1899 1136 Riverside Johnson's Ranch San Jacinto Mountains 1524 Comment
  RSA0060323  Pentagramma triangularis Steve Boyd, Timothy S. Ross, Laurel Anrseth 1990-3-30 3965 A Riverside Vail Lake Area, westerly drainage cyn at N base of 'Big' Oak Mtn. 640 Comment
  JOTR34384  Perityle emoryi Andre, Jim 2012-4-16 20907 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 3.1 miles north of South Entrance, 4.1 miles north of I-10 788 Comment
  UC565484  Perityle emoryi H. L. Mason 1928-3-10 4248 Riverside road from Indio to Palm Springs Comment
  UCR37636  Perityle emoryi George K. Helmkamp 1984-5-2 D- 5 Riverside Little San Bernardino Mountains, Big Morongo Canyon, 3 - 3.5 miles below the caretaker's house at the Big Morongo Preserve 610 Comment
  JOTR35186  Persicaria lapathifolia La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3280 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
  RSA445152  Petalonyx thurberi Martha Hilend 1928-4-15 183 Riverside Colorado Desert, sand dunes below Garnet Station Comment
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Jan 8 2013
  RSA784784  Petalonyx thurberi Duncan S. Bell 2012-3-18 3188 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  SD113277  Petalonyx thurberi subsp. thurberi Darley F. Howe 1936-6-14 354 Riverside Palm Springs. Comment
  SD67610  Petalonyx thurberi subsp. thurberi Victor Duran 1933-7-3 3500 Riverside Coachella Valley at Deep Canyon. Frequent in washes and on the desert floor. Comment
  RSA544292  Petunia parviflora Steve D. Boyd, Tim S. Ross 1991-6-14 6355 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  RSA557345  Petunia parviflora Julie Greene 1993-5-12 1306 Riverside San Jacinto Wildlife Area; south of gated W-E road, east of Davis Road. 433 Comment
  CAS-BOT-BC326729  Peucephyllum schottii unspecified 1905-4-1 s.n. Riverside Coachella Comment
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Sep 3 2017
  CAS-BOT-BC326730  Peucephyllum schottii Ivan Johnston 1917-4-4 1082 Riverside Palm Canyon 304 Comment
  POM294264  Peucephyllum schottii Lyman Benson 1945-3-29 11625 Riverside Canyon on Palm Spring Rd. Little San Bernardino Mt 610 Comment
  UC68951  Peucephyllum schottii Joseph Burtt Davy 1902-3-25 7934 Riverside Indio Comment
  RSA0106811  Phacelia Mitch Provance 2012-5-24 512 -27 Riverside San Bernardino Mountains: Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 869 Comment
  RSA428309B  Phacelia Elizabeth A. White 1928-04 s.n. Riverside Colorado Desert Road to Indio. [county not specified] Comment
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Jan 24 2015
  POM13312  Phacelia ambigua E. C. Jaeger 1921-5-20 1076 Riverside Palm Springs. Comment
  RSA113259  Phacelia brachyloba E. K. Balls 1955-4-4 20428 Riverside Chaparral, Ortega Hwy. 8.3 mi. ne. from Orange-Riverside Co. line, Elsinore overlook. 793 Comment
  SD143850  Phacelia brachyloba A. C. Sanders, P. MacKay et al. 1997-5-4 20648 Riverside San Jacinto Mountains; north side along Highway 243, 1.5 mile below Twin Pines Ranch Road. 1067 Comment
  CAS-BOT-BC133963  Phacelia campanularia Ynez Whilton Winblad 1937-3-18 s.n. Riverside Near Cabezon Comment
  UC1595707  Phacelia campanularia W. Wisura, A. King, and L. Newcomb 1992-4-10 4676 Riverside n W-Palm Springs; Gorgonio Pass, Stubbe Canyon Comment
  JOTR34190  Phacelia campanularia subsp. campanularia La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2984 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  POM250359  Phacelia campanularia subsp. vasiformis I. W. Clokey 1935-4-17 6839 Riverside Cottonwood Springs Comment
  UC791036  Phacelia campanularia subsp. vasiformis Carroll E. Wood Jr. and Thomas Morley 1949-5-1 7624 Riverside sw-facing slope at Key's View Joshua Tree National Monument, Little San Bernardino Mountai (mts. above Coachella Valley) Comment
  RSA703810  Phacelia crenulata var. ambigua LeRoy Gross 2005-3-3 1598 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  UCR249502  Phacelia crenulata var. ambigua T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7290 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  JOTR34145  Phacelia crenulata var. minutiflora La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler, D. Shade 2011-4-26 3162 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
  SD241053  Phacelia crenulata var. minutiflora Dave Silverman, Onkar Singh 2010-3-27 7864 Riverside McCoy Wash, N of Palo Verde Mesa, 5.43 km W of Mesaville rairoad siding, 10 km N of I-19, and 13 km NW of Blythe. 139 Comment
  UCR41355  Phacelia cryptantha N. M. Fellows, A. C. Sanders 1985-4-9 128 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
  CLARK-A1528-558  Phacelia distans C. M. Flanagan 1973-4-14 OO 104 Riverside Sunnymead 579 Comment
  SBBG34723  Phacelia distans T. L. Secrest 1950-3-12 Riverside near Indio Comment
  SD38344  Phacelia distans Edith A. Purer 1935-4-21 6486 Riverside Western edge of Colorado Desert near Palm Springs. Comment
  UCR134646  Phacelia distans Mitch Provance 1998-4-10 416 Riverside La Sierra Hills, east-facing slopes of hills at western extreme of Cypress Ave 351 Comment
  UCR135995  Phacelia distans Virginia Moran 2003-3-12 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and west of Wilson Creek 915 Comment
  UCR140290  Phacelia distans A. C. Sanders 2004-4-9 27473 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, vicinity of Rose Rd. 457 Comment
  UCR140704  Phacelia distans A. C. Sanders 2004-5-12 27861 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  SEINET3158182  Phacelia ivesiana E. E. Schellenger 1905-3-12 sn Riverside Paloverde Valley Comment
  POM10399  Phacelia minor Charlotte M. Wilder 1904-3-14 s.n. Riverside Wilders Canyon, Jurupa Hills. Comment
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Apr 2 2011
  RSA614549  Phacelia minor A. C. Sanders, Giles Waines, Aryavand 1997-3-12 19866 Riverside Lake Skinner area: lower Rawson Canyon, along road NE of Skinner Lake. 457 Comment
  SEINET7907895  Phacelia minor D. A. Johnson 2005-1 Riverside 1 mi E of CA 74, River Rd between Perris & Lake Elsinore 488 Comment
  UCR177025  Phacelia minor Tracy Tennant 1998-6-5 1030 Riverside Peninsular Range, east side of Roundtop Mtn. and along Sage Road 732 Comment
  JOTR31859  Phacelia pedicellata La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2116 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  RSA736854  Phacelia ramosissima Scott D. White, Angelia Carey 2004-7-2 10593 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  CAS-BOT-BC145000  Phacelia ramosissima var. latifolia Peter H. Raven; R. Snow 1957-7-26 11090 Riverside Banning-Idyllwild road 0.9 mi. n. of Vista Grande Ranger Station, San Jacinto Mts. Comment
  UCR18872  Phacelia ramosissima var. suffrutescens John C. Roos 1952-5-26 5718 Riverside Haas' Ranch, Reche Canyon 457 Comment
  RSA459263  Pholistoma auritum E. Crow 1929-4-7 298 Riverside Corona Skyline Drive, Santa Ana Mountains. Comment
  RSA709638  Pholistoma auritum A. C. Sanders, Guy Bruyea 2004-4-2 27444 Riverside Peninsular Range: Temescal Canyon, Serrano Highlands project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  CAS-BOT-BC540726  Pholistoma membranaceum Sarah J. De Groot; Cheryl Sevilla 2015-2-18 7363 Riverside North fork Mission Creek, SE San Bernardino Mountains, NW of Desert Hot Springs 780 Comment
  LA209905  Phoradendron bolleanum D. Dunn; 1941-1-12 671 Riverside Santa Rosa Mountains, Palms to Pine hwy, 15 mi from Palm Springs Comment
  CAS-BOT-BC135112  Phoradendron californicum C. L. Hitchcock 1940-3-2 5917 Riverside Cottonwood Spring Wash, Joshua Tree Nat. Monument Comment
  JOTR35924  Phoradendron californicum De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6872 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 905 Comment
  POM46959  Phoradendron californicum Mary F. Spencer 1920-3-15 1504 Riverside Mecca; 197 feet below sea level -60 Comment
  RSA420767  Phoradendron californicum M. B. Dunkle 1934-3-18 3857 Riverside Shavers Valley. Mecca Hills. W. of Shaver's Well. 91 Comment
  UC1194595  Phoradendron californicum Del Wiens 1955-10-17 960 Riverside Palms to Pines Highway between Keen Camp and Palm Springs (State Hwy 74); State Hwy 74 Comment
  UCR48552  Phoradendron californicum J. Glazner 1985-3-30 s.n. Riverside Sonoran (Colorado) Desert, Just south of I-10 at Box Canyon Road, 4 mi. west of Chiriaco Summit 274 Comment
  UCR52006  Phoradendron californicum Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2103 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  UCR1488  Phoradendron densum Howard York 1962-4-5 s.n. Riverside San Jacinto/Santa Rosa Mtns., Pinyon Flats Campground, Hwy 74 1220 Comment
  CAS-BOT-BC135179  Phoradendron juniperinum Geo. B. Grant 1901-8-1 s.n. Riverside Strawberry Valley, San Jacinto Mts. Comment
  SD229304  Phoradendron leucarpum subsp. tomentosum Dick Schwenkmeyer 2012-4-18 709 Riverside Mt. San Jacinto: Vista Grande, 1.1 mile northwest of U.S. Forestry station on Highway 243, north of Idyllwild. High granite ridge overlooking Gorgonio Pass to the north and Hemet to the west. 1540 Comment
  CAS-BOT-BC171150  Phoradendron serotinum subsp. tomentosum Scott D. White 1996-8-1 4435 Riverside San Jacinto Mtns. Idylwild Area: Hwy 243 at Deer Springs trailhead and adjacent area 1828 Comment
  UCR95939  Phoradendron villosum Scott D. White 1996-8-1 4435 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  JOTR36457  Physalis crassifolia La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3427 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; narrow north fork of large canyon w/ cobbley wash and steep rocky walls (Stop 2) 338 Comment
  RSA791479  Physalis crassifolia Jim Andre 2012-4-16 20919 Riverside Joshua Tree National Park;; along Cottonwood Spr. Rd, 3.1 mi. north of South Entrance, 4.1 mi. north of I-10. Along Cottonwood Spr. Rd , in large rocky canyon to east. 788 Comment
  UC1552022  Physalis crassifolia David Charlton 1988-2-18 1196 Riverside 5 mi e Dillon Rd. junction with Fargo Canyon Rd. (Fargo Canyon Rd to Cottonwood Wash, s of Joshua Tree National Park, parallel to I-10, s side of Little San Bernardino Mtns); Little San Bernardino Mtns. 762 Comment
  UC987824  Physalis crassifolia Reid Moran 1941-5-5 857 Riverside Cottonwood Pass; Eagle Mts. Comment
  POM9964  Physalis crassifolia Philip A. Munz 1921-4-30 4508 Riverside Pinyon Wells 1220 Comment
  SEINET3871933  Pinus cembroides var. parryana Victor Duran 1933-7-2 3495 Riverside Near Santa Rosa, Santa Rosa Mountains.; 0 1676 Comment
  RSA78321  Pinus lambertiana Philip A. Munz, E. K. Balls 1952-8-21 17978 Riverside Santa Rosa Spring, Santa Rosa Mts. 2134 Comment
  JEPS47935  Pinus monophylla W. L. Jepson 1916-5-18 6034 Riverside Pinyon Well Canyon, n borders Colorado Desert Pinyon Well Canyon; Colorado Desert, Cottonwood Mts., Pinyon Well Canyon Comment
  UCR46610  Pinus monophylla Dennis E. Kucera 1987-2-16 s.n. Riverside SE Mojave Desert, Coxcomb Mtns, near VABM Aqua, N end of range 1280 Comment
  UCSB38389  Pinus pinea S. Austin 1969-10-10 Riverside UNIV. CALIF. RIVERSIDE Comment
  POM262897  Pinus quadrifolia J. C. Roos 1938-8-7 585 Riverside Summit Pines to Palms Road, San Jacinto Mt. Comment
  POM293251  Pinus quadrifolia Lyman Benson 1956-12-1 15705 Riverside Palms to Pines Highway at the lowest level of Coulter pines. Mt. Range San Jacinto. 1524 Comment
  RSA561111  Piptatherum miliaceum Steve Boyd, Timothy S. Ross, D. Bramlet 1993-5-12 7322 Riverside Southern Santa Ana Mountains, Sant Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon, 365 Comment
  UCR97024  Pityrogramma triangularis var. triangularis Scott D. White 1997-2-28 4712 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  RSA736297  Plagiobothrys canescens Scott D. White, Jamie Minor 2008-3-13 11768 Riverside Banning: S of Union Pacific RR, powerline route from Sunset Ave to 1 mile W. 732 Comment
  SD236235  Plagiobothrys canescens John F. Green 2006-4-18 Riverside NE of Murrieta, just S of Los Alamos Road (Clinton Keath Rd) on E and W sides of Liberty Road border between City of Murrietta and unincorporated French Valley (Murrieta 7.5'Q) 415 Comment
  UCR107398  Plagiobothrys canescens B. G. Pitzer 1997-3-23 2981 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  UCSB45601  Plagiobothrys canescens Roos, John 1952-4-16 Riverside Pigeon Pass, Box Springs Mts. 396 Comment
  UC218128  Plagiobothrys collinus P. A. Munz, and R. D. Harwood 1915-3 3378 Riverside 5 mi s Corona 304 Comment
  UCR233575  Plagiobothrys collinus A. C. Sanders, John F. Green 2012-4-12 40035 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, c. 370 m NW of El Hermano Rd. 312 Comment
  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
  SEINET7073313  Plagiobothrys collinus var. californicus A. G. Vestal 1963-4-27 s.n. Riverside Santa Gertrudis Wash southeast of Murrieta Hot Springs. Coordinate datum: NAD27. Comment
  UCR75046  Plagiobothrys jonesii A. C. Sanders, E. J. Lawlor 1992-4-4 12143 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  POM13593  Plagiobothrys leptocladus P. A. Munz 1922-5-5 5158 Riverside Mystic Lake, near Moreno. Comment
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Mar 20 2011
  UCR102892  Plagiobothrys tenellus A. C. Sanders 1997-3-26 20100 Riverside Lake Skinner area, along foot trail at west base of Tucalota Hills 518 Comment
  UCR266469  Plagiobothrys tenellus Mitch Provance, Robin Kinmont 2015-3-27 315- 53 Riverside Perris-Aguanga Basin Region, Murrieta Hot Springs, Leon Rd. (unmarked dirt portion) on unnamed hill c. 0.5 miles W of Skunk Hollow, vicinity of W terminus of Promontory Parkway. 430 Comment
  SD204843  Plagiobothrys undulatus R. F. Thorne, E. W. Lathrop, S. Bickstrom-Sternberg, B. Martin 1982-6-5 55209 Riverside Peninsular Ranges; Santa Ana Mountains region: southwest of Murrieta. Santa Rosa Plateau, Mesa de la Punta near southern edge of plateau, approached from De Luz road. 579 Comment
  RSA262104  Plantago erecta E. W. Lathrop 1971-3-21 7459 Riverside Bedford Truck Trail of the Coleveland nat'l Forest, Trabuco District. 915 Comment
  UCR133031  Plantago erecta Scott D. White 1993-4-22 1251 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  UCR225583  Plantago erecta A. C. Sanders, T. B. Salvato 2011-3-29 38872 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor 0.45 east of Goetz Rd. and 0.07 km east Wheat St. 450 Comment
  UCR241008  Plantago erecta Tracy Tennant 1998-4-7 238 Riverside Peninsular Range/Perris-Aguanga Basin Region, Mariette Rd. at Grouse Court, 2.25 mi. NE of Vail Lake Dam 582 Comment
  UCR97695  Plantago erecta A. C. Sanders, G. Helmkamp 1997-3-15 19970 Riverside Lake Skinner area: lower Rawson Canyon, along the dirt road toward Bachelor Mountain 457 Comment
  SDSU13354  Plantago lanceolata Joseph Verfaillie, Shasta Gaughen 2000-4-29 47 Riverside Santa Margarita Eclogical Reserve North side. The north side of the river about 1/3 mile west of the pipe line crossing. About 15 feet from the river 232 Comment
  SDSU14095  Plantago lanceolata Jonathan S. Austin, Michael G. Simpson 2002-4-20 19 Riverside Near parking area off Tornado road adjacent to riparian area north of Santa Margarita river,growing on slight mound of soil about two feet high. Santa Margarita Ecological Reserve. 229 Comment
  UCR148342  Plantago ovata John F. Green 2005-1-12 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  POM68827  Plantago ovata var. fastigiata Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  RSA402039B  Plantago ovata var. fastigiata M. B. Dunkle 1933-3-4 3046 Riverside Painted Canyon, Colorado Desert. 30 Comment
  RSA562067  Plantago ovata var. fastigiata Steve Boyd, C. Boyd, K. A. Boyd 1992-4-19 6916 Riverside N end of the Granite Mountains along powerline road near junction of Highway 177 and Highway 62. Area of transition between Mojave and colorado Deserts. Comment
  RSA703373  Plantago ovata var. fastigiata LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda L. Worlow 2005-2-17 1439 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  JEPS3452  Plantago patagonica Dr. L. M. Newlon 1922-4-3 432 C Riverside Andreas Canyon San Jacinto Mts. Comment
  UCR178277  Plantago patagonica Mitch Provance, Tracy Tennant 1998-6-16 MOR- 380 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon just south of Millard Guard Station 1037 Comment
  UC845486  Platanthera leucostachys I. W. Clokey and E. G. Anderson 1935-8-21 6561 Riverside Fuller's Creek 1500 Comment
  RSA125985  Platanus racemosa E. K. Balls, Percy C. Everett 1957-11-4 22742 Riverside Snow Creek near old Fish Hatchery, north base San Jacinto Mountains. 701 Comment
  POM10260  Platystemon californicus Charlotte M. Wilder 1903-5-29 s.n. Riverside Wilders Canyon. Comment
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Apr 2 2011
  RSA0013020  Platystemon californicus LeRoy Gross, Grace Cho 2013-4-9 6004 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
  RSA492849  Platystemon californicus Bill Wagner 1988-3-9 s.n. Riverside Grain field at Benton Rd. and San Diego aqueduct, 1/2 mile E of Winchester Rd., NE of Murrieta. 412 Comment
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Mar 20 2011
  UC511117  Platystemon californicus Lyman Benson 1932-3-26 3162 Riverside 3 mi n Temecula (San Jacinto Mt. Range); San Jacinto Mt. Range 457 Comment
  UC64140  Platystemon californicus Miss Daisy M. Harris May 1897 Riverside Winchester Comment
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Mar 20 2011
  CDA34943  Plecostachys serpyllifolia R. E. Riefner Jr. 2006-8-22 06 -365 Riverside City of Temecula, Vine Street at Peach Tree Street. Comment
  RSA515196  Pleuraphis rigida Steve Boyd, O. Mistretta 1986-3-13 1464 Riverside West side Palen Mts.: NE of Desert Center. Comment
  RSA697727  Pleuraphis rigida Wilma Griset 1931-3-29 s.n. Riverside Colorado Desert, Indio. Comment
  UC897966  Pleurocoronis pluriseta B. D. Stark 1933-5-13 Riverside Andreas Canyon 762 Comment
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Apr 17 2011
  RSA125535  Poa fendleriana R. Weatherby 1949-6-6 333 Riverside Santa Rosa Mtn. 2134 Comment
  RSA341984  Poa secunda R. F. Thorne 1980-4-16 54082 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  SEINET260227 Image available Poa secunda M. Curto, L. Allen 1991-5-24 712 Riverside Santa Rosa Mts vic of Ribbonwood CA Hwy 74 ca 1.5km W of USFS Pinyon Flat CG 1300 Comment
  UCR113043  Poa secunda Mitch Provance 1998-3-31 305 Riverside Jurupa Mountains, SE Pyrite Canyon, c. .3 km NW of the quarries. 366 Comment
  UCD91749  Poa wheeleri Collector Unknown 1895-7-9 s.n. Riverside San Jacinto Mountains. 2590 Comment
  SEINET949798 Image available Poaceae Michael L. Fugate 2007-1 Riverside San Bernardino Valley: Riverside at 1469 Claymore Court, just east of Sycamore Canyon (Riverside East 7.5' Q). 488 Comment
  SD186302  Polygonum argyrocoleon A. C. Sanders 1992-3-21 12075 Riverside Sonoran Desert: Coachella Valley, Oasis Date Garden, 4.4 miles north of Mecca on Hwy 111 near Ave. 59 -43 Comment
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Sep 30 2012
  UCR160892  Polygonum fagopyrum T. B. Salvato 2002-10-16 106 Riverside Upper Santa Ana River Basin/San Bernardino Valley, Riverside, residence at 1009 Bascomb Drive 305 Comment
  UCR278856  Polygonum lapathifolium Mitch Provance 2012-11-10 17602 Riverside San Bernardino Valley, Riverside, Springbrook Creek (remnant) Fairmont Park, between the east side of Lake Evans and the west side of Market St. 245 Comment
  SD229278  Populus fremontii subsp. fremontii Dick Schwenkmeyer 2012-10-16 851 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 505 Comment
  CAS-BOT-BC356163  Porophyllum gracile John Thomas Howell 1928-1-30 3316 Riverside On road from Cottonwood Springs to Pinto Basin, near s. side of Pinto Basin, Colorado Desert Comment
  RSA286806  Potamogeton pusillus Robert F. Thorne 1974-5-23 44669 Riverside Santa Rosa Plateau, Rancho California: Mesa de Colorado, pool at SW edge of large vernal marsh and presently separated from it, floating in shallow water c. 1/3 m deep. 625 Comment
  HSC24915  Potentilla gracilis var. fastigiata D. H. Wilken 1965-6-29 371 Riverside Strawberry Meadows, near Idyllwild 1555 Comment
  UCR117669  Potentilla norvegica subsp. monspeliensis T. Schram, D. Wappler 1994-7-14 s.n. Riverside San Jacinto Mtns., Lake Hemet. Comment
  UCR35825  Proboscidea louisianica Steve Boyd 1984-9-20 s.n. Riverside Perris Basin, Mead Valley, 4.5 mi. NW of Perris, along Cajalco Road, 0.2 mi. east of intersection with Clark Street (= Old Elsinore Road) Comment
  RSA770882  Prosopis glandulosa Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4606 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA33856  Prosopis glandulosa var. torreyana N. C. Cooper 1944-4-8 1088 Riverside Andreas Canyon. 305 Comment
  UCD108225  Prosopis glandulosa var. torreyana G. H. Vansell 1928-4-1 s.n. Riverside S. Calif. and Coachella Valley. Comment
  UCR123756  Prosopis glandulosa var. torreyana Steven R. Hill 2001-4-29 33543 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
  SEINET10489774  Prosopis glandulosa var. torreyana David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-16 Dunn 2863 Riverside Pushawalla Canyon, Indio Hills. Shelf of canyon on the W side and below the main Palm group. Comment
  SBBG70929  Prunus emarginata R. Hoffmann 1929-9-6 Riverside Tahquitz Valley 2438 Comment
  RSA786235  Prunus fremontii C. P. Cowan 1978-4-23 1222 Riverside 12.1 mi (19.2 km) S on Hwy 74 from jct with Hwy 111 at Indian Wells. Whittaker transect no.W-220 (voucher). 950 Comment
  RSA86856  Prunus fremontii F. W. Peirson 1917-4-1 1986 Riverside Fruiting specimen from Tahquitz Canyon, Palm Springs region. Comment
  UC1128374  Prunus fremontii H. S. Yates 1937-3-24 6466 Riverside S of Pinyon Flat 975 Comment
  RSA525682  Prunus ilicifolia Steve D. Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4541 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  UCR138651  Prunus ilicifolia subsp. ilicifolia D. L. Banks 1997-4-5 1656 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
  RSA714376  Prunus virginiana var. demissa T. B. Salvato, John Green 2004-5-27 606 Riverside Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp. 1402 Comment
  CAS-BOT-BC356337  Psathyrotes ramosissima Alice Eastwood 1913-4-30 3118 Riverside Palm Springs Comment
  CAS-BOT-BC356352  Psathyrotes ramosissima Carl B. Wolf 1932-4-26 2972 Riverside Colorado Desert. 5 mi. E. of Mecca, on Blythe Road 30 Comment
  HSC66537  Psathyrotes ramosissima Christopher Davidson 1979-4-4 7681 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi. E of Mecca. 213 Comment
  UCR54  Pseudognaphalium biolettii William R. Bowen 1962-3-18 014 Riverside Box Springs Canyon behind UCR campus 305 Comment
  SD237349  Psilocarphus brevissimus D. E. Bramlet 1991-5-7 2123 Riverside Peninsular Range; Perris-Aguanga Basin Region: San Jacinto Valley, 8.2 km SW of Hemet, just NE of jct. of California Ave. & Marvin Hull Road, c. 50-150 m north of the AT&SF railroad tracks & 300 m west of MWD canal. 500 Comment
  RSA788989  Psorothamnus arborescens Aaron C. Sedgwick, David Fraker 2012-3-28 15 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  SBBG46429  Psorothamnus arborescens C. H. Muller 1952-5-21 9515 Riverside outwash plain at mouth of Morongo Cyn Comment
  HSC47347  Psorothamnus arborescens var. minutifolius Richard Spjut, Judy Adams 1978-11-22 5235 Riverside Colorado Desert: N of Palm Springs along Indian Ave. 0 Comment
  CAS-BOT-BC353583  Psorothamnus arborescens var. simplicifolius O. F. Sillig 1911-5-21 s.n. Riverside Palm Springs, Colorado Desert Comment
  JEPS41644  Psorothamnus arborescens var. simplicifolius H. M. Hall 1905-5-11 6024 Riverside Cottonwood Mts. , Cottonwood Mts. (Colorado Desert) Comment
  UCR16205  Psorothamnus arborescens var. simplicifolius K. T. Ingram 1976-5-1 s.n. Riverside San Bernardino Mtns., Morongo Valley, 0.25 mi. south of intersection of Route 62 and Mission Creek Road. Comment
  UCD108314  Psorothamnus emoryi L. S. Rose 1935-12-10 s.n. Riverside Palm Springs, Colorado Desert. 138 Comment
  UCSB3045  Psorothamnus emoryi Long, Frances 1939-12-30 Riverside -5 Palm Springs Calif. Comment
  CAS-BOT-BC352323  Psorothamnus fremontii var. fremontii Raymond Lindholm 1961-4-17 s.n. Riverside White Water Canyon Comment
  JOTR31811  Psorothamnus schottii La Doux, Tasha, Bill Truesdell 2007-11-9 2519 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park; Mouth of canyon parallel to and east of Lost Palms Canyon (Stop 4) 649 Comment
  SBBG27794  Psorothamnus schottii D. Myrick 1964-4-30 814 Riverside Pines to Palms Hwy 74, 5 mi W of Palm Desert 304 Comment
  SD129356  Psorothamnus schottii A. C. Sanders 1989-9-19 9506 Riverside Chocolate Mts. Aerial Gunnery Range; 1.75 km (airline) south of Tabaseca Tank, along the wash above Tabaseca Target 680 Comment
  SD229163  Psorothamnus schottii Dick Schwenkmeyer 2012-11-6 856 Riverside Palm Canyon, Ague Caliente Indian Reservation, 2.6 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 178 Comment
  SFV4381  Psorothamnus schottii F. M. Ball 1964-1-4 s. n. Riverside Colorado Desert About 7 miles up Palms to Pines Highway from Palm Desert. 335 Comment
  UCSB11480  Psorothamnus spinosus Dearing, Hugh; Dearing, Margaret 1940-6-8 Riverside Near Palm Springs Comment
  RSA6081  Pteridium aquilinum var. pubescens C. B. Wolf 1932-5-25 3664 Riverside Flat at mouth of east fork of Snow Creek, N Base of San Jacinto Mountains 671 Comment
  UCR280645  Pterocarya stenoptera A. C. Sanders 2017-5-15 43206 Riverside Riverside, eastern side of UCR campus, in canyon below the UCR Botanic Garden, adjacent to parking area 340 Comment
  RSA69241  Pterospora andromedea F. W. Peirson 1924-7-27 4987 Riverside Dark Canyon, San Jacinto Mts. 1905 Comment
  UCD100915  Pterostegia drymarioides Steve Boyd 1986-3-1 1358 Riverside Gavilan Plateau, Gavilan Hills. 1/4 mile south of Harford Springs County Park. 640 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
  UCR126371  Pterostegia drymarioides A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 679 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR230214  Pterostegia drymarioides A. C. Sanders 2011-4-6 38985 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
  UCR258871  Pterostegia drymarioides T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7906 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  UCR274938  Pulicaria paludosa S. J. Myers, Vesta A. Myers 2006-9-30 1031 Riverside Perris Valley Storm Drain near Placentia Ave., SW of Lake Perris 435 Comment
  CLARK-A1528-822  Purshia glandulosa Charlotte Stocks 1964-7-26 Riverside Pinyon Crest 1066 Comment
  POM306721  Purshia tridentata var. glandulosa Henry J. Ramsey, Henry J. Ramsey 1938-4-22 1661 Riverside Santa Rosa Mountains. 1220 Comment
  RSA0105055  Quercus Mitch Provance 2012-4-27 412 -34 Riverside The Badlands, Mt. Davis, southwest of Beaumont, about 1 mi S of I-10 and SR-60 interchange, just E of Davis Mountain Dr. and S of Westwards Ave. 799 Comment
  UC1135500  Quercus X acutidens A. Lewis Mar 1934 354 Riverside Sugarloaf Peak Cleveland National Forest, Corona Quad. 1066 Comment
  UCD47670  Quercus X acutidens Robert F. Thorne; E. Lathrop 1969-6-6 39348 Riverside Santa Rosa Plateau: Rancho California. 609 Comment
  UC5484  Quercus agrifolia Samuel B. Parish 1891-11-3 2253 Riverside Murietta Comment
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Jul 15 2009
  SEINET13953015 Image available Quercus agrifolia Martha P. Creighton 1952-1 679 Riverside Dripping Springs, Aqua Tibia Mts, 1500 ft. altitude, public campground with oaks 457 Comment
  SD167109  Quercus agrifolia var. oxyadenia A. C. Sanders 2005-8-12 31554 Riverside San Jacinto Mountains; Poppet Flat below Highway 74 along Poppet Flat Road. 1098 Comment
  CAS-BOT-BC126763  Quercus berberidifolia A. C. Sanders; T. B. Salvato; Matthew Malle; Jonas Winbolt; Katie A. Kurtz 2010-4-2 37712 B Riverside Peninsular Range: Alberhill, south foot of the Gavilan Hills at Temescal Canyon, along dirt road north of Concordia Ranch Rd, and east of Black Powder Rd. 379 Comment
  SD152835  Quercus berberidifolia Steve Boyd, Tim Ross 1992-5-5 7218 Riverside Southern Santa Ana Mountains, San Mareo Canyon Wilderness Area, Oak Flats area east of Verdugo Potrero, in chaparral & oak woodland borders 730 Comment
  UC5828  Quercus berberidifolia H. M. Hall 1901-8-5 2644 Riverside Canyon of the San Jacinto River San Jacinto Mountains 1066 Comment
  UCR125889  Quercus berberidifolia A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24948 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR91725  Quercus berberidifolia A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18104 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  CAS-BOT-BC62438  Quercus chrysolepis Winifern W. Swarth 1914-9-27 s.n. Riverside Strawberry Valley, San Jacinto Mts. 1828 Comment
  CAS-BOT-BC62440  Quercus chrysolepis John Thomas Howell 1927-8-2 2936 Riverside Rocky Canon-side, near top of Control on road to Hemet, Mt. San Jacinto 1371 Comment
  CAS-BOT-BC86599  Quercus cornelius-mulleri David Dreyer 1968-4-9 s.n. Riverside N slope of hills S of Morongo Valley 609 Comment
  RSA29094  Quercus cornelius-mulleri C. H. Muller 1941-8-10 4043 Riverside San Jacinto Mts, 12 miles SE of Keen Camp Comment
  UC63841  Quercus cornelius-mulleri H. M. Hall May 1901 1915 Riverside VanDeventer's, e base of San Jacinto Mts., along borders of the Colorado Desert Colorado Desert, San Jacinto Mts. Comment
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Oct 23 2009
  UCD45614  Quercus cornelius-mulleri Frank C. Vasek 1975-9-11 s.n. Riverside In pinyon woodland (desert margin), elevation ca. 5000 feet; South Sheep Mountain, at the South edge of the Deep Canyon Reserve, Riverside County, California. 1524 Comment
  UCR103220  Quercus cornelius-mulleri Scott D. White 1996-8-1 4457 Riverside San Jacinto Mtns., Twin Pines area, just north of Twin Pines Road, c. 0.5 air mi. west of Twin Pines Ranch. 1143 Comment
  RSA192357  Quercus engelmannii E. W. Lathrop 1965-5-18 5757 Riverside 8 miles W of Murrieta. 610 Comment
  POM122565  Quercus kelloggii Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  SEINET2067043 Image available Quercus wislizeni B. Pitzer, Jack Easton 1987-3-10 411 Riverside Anza area, hills S of Thomas Mtn., ca. 3 miles E of town of Anza on N side of Hwy 371, Butterfly Peak 7.5' Quad. 1341 Comment
  CLARK-A1528-2075  Rafinesquia neomexicana John C. Roos 1947-3-1 3304 Riverside Garnet Comment
  POM311103  Rafinesquia neomexicana H. K. Sharsmith 1952-4-10 4059 Riverside Smoke Tree Wash, ca 5 mi. NE of Cottonwood Spirngs, Joshua Tree National Monument 854 Comment
  RSA357783  Rafinesquia neomexicana R. F. Thorne, M. Z. Thorne 1973-3-30 42670 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  RSA776345  Rafinesquia neomexicana Duncan S. Bell 2010-3-20 623 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  UCR241712  Rafinesquia neomexicana Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 43 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  UC219557  Ranunculus alismifolius var. alismellus P. A. Munz 1922-7-6 6034 Riverside meadow n Tahquitz Valley; San Jacinto Mts. 2225 Comment
  POM13200  Ranunculus aquatilis var. capillaceus P. A. Munz, I. M. Johnston 1922-5-21 5522 Riverside Garner Ranch, Hemet Valley Comment
  UCR199761  Ranunculus sceleratus Scott D. White, Angelia Carey and Linda Archer 2004-8-5 10691 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Indian Creek and adjacent uplands, from confluence with San Jacinto River to c. 2 miles upstream 610 Comment
  RSA651175  Raphanus sativus Phil Goodwin 1948-2-6 s.n. Riverside Found in orange grove, 3 mi. north of Orange. 91 Comment
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Feb 17 2013
  UCR4160  Raphanus sativus R. H. Sauer 1965-3-1 s.n. Riverside City of Riverside, west end of Big Springs Road 335 Comment
  RSA505024  Rhamnus ilicifolia D. Charlton 1988-5-21 1909 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74 1677 Comment
  RSA652630  Rhamnus ilicifolia R. Garner 1974-7-15 s.n. Riverside San Jacinto Mts. Comment
  UCR117097  Rhamnus ilicifolia A. C. Sanders, T. B. Salvato 2001-5-16 24290 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  UCR125993  Rhamnus ilicifolia Dave Goodward 2003-1-31 s.n. Riverside Box Springs Mountains, canyon SW of Pigeon Pass Rd, just before it begins climbing, c. 150 m south of the dump 427 Comment
  RSA731532  Rhamnus pilosa R. E. Riefner 2007-9-6 7 -376 Riverside W of Rainbow Canyon ca. 2 mi E of I-15 SW of Pechanga Indian Reservation 668 Comment
  RSA788240  Rhamnus tomentella Linda M. Prince, Duncan S. Bell 2009-6-17 583 Riverside Cleveland National Forest. Comment
  UC218263  Rhamnus tomentella subsp. cuspidata P. A. Munz 1922-6-25 5817 Riverside between Vandeventer and Santa Rosa; Santa Rosa Mts. 1524 Comment
  UCSB31577  Rhododendron occidentale Griesel, Wesley 1962-6-29 Riverside Dark Canyon, San Jacinto Mts. 1920 Comment
  POM12748  Rhododendron occidentale var. californicum P. A. Munz 1922-7-6 6029 Riverside San Jacinto Mountains: north fork of Tahquitz Creek. 2226 Comment
  UCR174320  Rhus laurina A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32555 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
  RSA524472  Rhus ovata Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4076 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  SBBG99308  Rhus ovata W. L. Halvorson 1977-4-1 77 -225 Riverside 5 mi S of Temecula on Hwy S16 Comment
  RSA0046827  Rhus ovata Tamara Joy Hanna 1991-5-12 30 Riverside Township of Anza, area of High Country Ranches. From Tamatea Road approx. 100 ft. to dry stream bed, walking northeasterly direction. 1280 Comment
  RSA753547  Rhus trilobata Michael Wall 2009-6-12 520 Riverside San Jacinto Valley, Bautista Canyon Rd. ca. 8.0 miles SE of jct. with Fairview Ave. 762 Comment
  UC303774  Rhus trilobata S. B. Parish 1918-4-3 11698 Riverside canyon of San Jacinto River (Oak Lodge) Comment
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Nov 20 2011
  RSA476151  Ribes cereum M. B. Dunkle 1933-7-19 3683 Riverside Upper Tahquitz Valley, San Jacinto Mountains. 2409 Comment
  CLARK-A1528-6880  Ribes indecorum John C. Roos 1946-12-27 3194 Riverside Box Springs Mountains Comment
  RSA96715  Ribes indecorum E. K. Balls 1954-4-26 19071 Riverside 1/2 way up W side Mt. San Jacinto Comment
  SEINET13942526 Image available Ribes indecorum S. Lambert 1981-1 1919 Riverside San Bernadino National Forest, hwy 74, 6.0 miles W Mountain Center, 3000 feet elevation, streamside 914 Comment
  POM20019  Ribes nevadense Mary F. Spencer 1923-6-12 2174 Riverside Idyllwild, San Jacinto Mountains. 1646 Comment
  UCR154628  Ribes quercetorum A. C. Sanders, Mike Misenhelter 2005-6-15 31003 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  RSA557888  Ribes speciosum Steve Boyd, Orlando Mistretta 1992-4-22 7011 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
  SEINET3094918 Image available Romneya coulteri L. LaPre 1988-6-3 Riverside Indian Trails project site, Indian Truck Trail exit on W side of I-15 fwy in Temescal Canyon, ca 1/4 mi. from the freeway near the dirt road. Comment
  CAS-BOT-BC147538  Rosa californica Lathrop; Thorne 1967-9-26 6611 Riverside Tenaja Guard Station, 10 mi. NW of Murrieta Comment
  POM158410  Rosa californica Philip A. Munz 1927-5-21 10887 Riverside 15 miles south of Hemet. Comment
  RSA449715  Rosa californica N. C. Cooper 1943-10-9 944 Riverside Hemet. 305 Comment
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Apr 29 2011
  SD187470  Rosa californica Scott D. White, Angela Carey 2004-5-7 10334 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills 548 Comment
  UC12864  Rosa californica Geo. F. Reinhardt June 1897 Riverside San Jacinto Mountains Comment
  UCR68863  Rubus ursinus Steve Boyd, T. S. Ross 1990-5-11 4665 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
  UCR125221  Rumex crispus Mitch Provance 1998-5-29 558 Riverside Riverside, NW side of North Hill, along the S edge of Lake Evans 274 Comment
  RSA659484  Rumex hymenosepalus J. C. Roos 1966-4-29 s.n. Riverside In the hills between March AFB and Lakeview. 457 Comment
  UCR88577  Rumex hymenosepalus A. C. Sanders, J. C. Lyman 1995-4-16 16563 Riverside San Bernardino Valley, Glen Avon: sand dune area on N slope of the Jurupa Hills (draining toward Fontana), Pyrite St. Canyon 335 Comment
  POM153372  Rumex maritimus P. A. Munz, I. M. Johnston 1928-9-12 11245 Riverside North end of Lake Elsinore. Comment
  SEINET244301  Rumex obtusifolius A. C. Sanders, T. B. Salvato 2001-5-24 24368 Riverside Perris-Aguanga Basin Region; Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon W of junction of Av. Pina Colada 345 Comment
  UCR266820  Rumex pulcher D. E. Bramlet 2005-7-13 3894 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, San Jacinto Wildlife Area, east of old San Jacinto River channel, margin of flooded ponds 433 Comment
  RSA741213  Rumex salicifolius Scott D. White, Justin M. Wood 2008-5-15 11990 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  UCR86032  Sagina decumbens subsp. occidentalis Michael A. Patten, S. J. Myers 1993-8-20 s.n. Riverside Sonoran (Colorado) Desert, along Tahquitz Creek and behind the debris basin dam in Palm Springs 183 Comment
  SD146118  Sagittaria latifolia A. C. Sanders, Mitch Provande, T. B. Salvato 2000-10-5 23720 Riverside Santa Ana River Valley: Hidden Valley Wildlife Area, ca I(c) mile west of park office, near Riverside between La Sierra and Norco 191 Comment
  SEINET4095114  Sairocarpus coulterianus O. M. Clark 1929-1 1686 Riverside South Cabazon, southern California. Comment
  UCR47289  Salicornia subterminalis Karin Cleary 1987-5-21 56 Riverside Lakeview: flats around Ellis Avenue, 1 - 1.4 km north of the intersection of Ellis Ave. and Menifee Road. 433 Comment
  CAS-BOT-BC103900  Salix exigua F. R. Fosberg 1932-3-13 8082 Riverside Thousand Palms Can., Coachella Valley Comment
  UCR167974  Salix exigua T. B. Salvato, John F. Green 2004-5-27 654 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
  RSA92609  Salix exigua F. W. Peirson 1920-6-22 4282 Riverside Santa Ana River. 152 Comment
  SBBG54388  Salix exigua var. hindsiana P. Wilder 1971-9-29 5276 Riverside E of Hemet, Valle Vista at N end of Fairview Street, N of Florida Street Comment
  UCR6138  Salix gooddingii A. Belding 1967-5-12 s.n. Riverside Boy Scouts America Camp Evans, at the end of Indian Hill Road. Santa Ana River Flood Plain west of the City of Riverside Comment
  UC914196  Salix laevigata Charles B. Fiker 1946-5-30 3361 Riverside 100 yards from dismantled service station on Pala Rd. from Temecula bridge Comment
  UCR57115  Salix lucida subsp. lasiandra S. J. Myers 1989-7-14 s.n. Riverside Peninsular Range, 1.25 mi. west of confluence of Murrieta Creek and Santa Margarita River, c. 1.5 mi. SW of Temecula 255 Comment
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Aug 23 2013
  UCR134612  Salsola paulsenii Marisa Sripracha, Kyle Boyd 2004-2-14 019 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  RSA0095102  Saltugilia australis Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3877 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
  RSA0095103  Saltugilia australis N. C. Cooper 1944-5-20 1282 Riverside Palms to Pines Highway, San Jacinto Mountains. 915 Comment
  RSA777155  Saltugilia australis Steve Boyd, Susan G Jett 2008-3-20 11835 Riverside Peninsular Ranges: Santa Ana Mountains region: Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Hwy Vehicle Area. Comment
  UCR262251  Saltugilia latimeri T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3746 Riverside San Jacinto Mountains, San Jacinto River Canyon, c. 0.16 mi south-southwest of the dirt parking area at the head of the South Fork Trail (FSR 2E17) from Hwy 74 1250 Comment
  RSA469683  Saltugilia splendens N. C. Cooper 1949-6-29 4353 Riverside San Jacinto Mountains: Above Banning. 1220 Comment
  RSA627515  Saltugilia splendens Scott D. White, Julie Greene 1998-8-1 6969 Riverside Idyllwild Area: Roadside uplands and meadows within residential community above/parallel to E bank of Strawberry Creek between crossing at Circle Drive and Humber Park. 1829 Comment
  OBI2704  Saltugilia splendens subsp. splendens Wesley O. Griesel 1962-6-29 Riverside Dark Canyon, San Jacinto Mountains 1920 Comment
  POM229031  Salvia apiana var. compacta P. A. Munz 1937-5-29 15153 Riverside Deep Canyon, Santa Rosa Mountains. 1067 Comment
  UCR215631  Salvia carduacea Bao Doan 2010-5-31 15 Riverside Western edge of Sonoran (Colorado) Desert, San Gorgonio Pass, Cabazon, Elm St. south of San Gorgonio River wash, north of Riza Ave. in power line right-of-way 472 Comment
  RSA401471  Salvia columbariae N. C. Cooper 1944-3-25 1005 Riverside Morongo Pass. 457 Comment
  RSA80984  Salvia columbariae G. R. Campbell 1952-4-5 18370 Riverside On road leading from Hwy 60 to 29 Palms [Hwy 62], at jct to Desert Hot Springs. 762 Comment
  UCD125702  Salvia columbariae Louis B. Ziegler 1965-11-10 s.n. Riverside Hemet Valley, San Jacinto Mountains, along a road about one mile north of Kenworthy Ranger Station. 1524 Comment
  UCR120937  Salvia columbariae A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24956 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR35344  Salvia columbariae L. B. Ziegler 1967-2-20 107 Riverside San Jacinto Valley, N of Lakeview 427 Comment
  SD193116  Salvia eremostachya W. J. Schrenk 2008-4-30 89 Riverside Anza-Borrego Desert State Park, Turkey Track Comment
  SEINET10836973 Image available Salvia greatae Harvey M. Hall 1905-4-22 Hall 5848 Riverside Near Dos Palmos Comment
  POM283362  Salvia mellifera Lyman Benson 1933-3-31 4144 Riverside San Bernardino Mt. Range. US 66 [actually US 60], Beaumont. 457 Comment
  RSA522724  Salvia mellifera Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3829 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  UCR107389  Salvia mellifera B. G. Pitzer 1997-3-23 2970 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  UC2031940  Salvinia minima R. E. Riefner Jr. 2009-2-25 09 -17 Riverside City of Lake Elsinore, S side of Temescal Wash, W of Highway 74, vicinity of Bromley Ave. at Bennett St. Comment
  CDA18821  Salvinia molesta R. O'Connell 1999-8-2 PDR 1142335 Riverside Palo Verde Irrigation District. 0 Comment
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Feb 6 2009
  RSA359603  Sanicula bipinnatifida Steve Boyd 1986-3-9 1397 Riverside Temescal Canyon: Terrace escarpments between Indian Truck Trail and Horsethief Wash. 367 Comment
  UCR249921  Sanicula tuberosa A. C. Sanders, Steve Boyd, Fred M. Roberts, Robt. L. Allen 2009-4-9 36789 Riverside Peninsular Range; Santa Ana Mtns., Elsinore Peak, c. 0.4 mi. SE of the summit 1014 Comment
  UCR34989  Sanicula tuberosa L. B. Ziegler 1970-5-14 403 Riverside San Jacinto Mtns, above Hemet Valley on flat top of Pleistocene alluvium 1585 Comment
  RSA100183  Sanvitalia procumbens J. C. Roos, Lucille Roos 1954-7-26 6204 Riverside In unused corner of dry garden, 6th Street near Pepper. In E. C. Jaeger's yard? 274 Comment
  UCR16094  Sarcostemma cynanchoides M. J. Arbaugh 1978-4-29 s.n. Riverside Western Colorado Desert, N of Mecca, 1 mi. N on Painted Canyon Road Comment
  UCR226768  Sarcostemma hirtellum Jim Andre 2011-2-9 15897 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  JOTR16789  Schismus barbatus Leary, Pat and Hogan, J. 1975-2-11 899 Riverside Joshua Tree National Park. EAST END OF PLEASANT VALLEY 975 Comment
  RSA776352  Schismus barbatus Duncan S. Bell, Amanda Turek 2010-4-10 802 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  SDSU18397  Schismus barbatus C. Matt Guilliams 2008-2-27 484 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 370 Comment
  UCD93273  Schismus barbatus Scott D. White 1997-2-28 4719 Riverside Elsinor Basin. Elsinore Area: SE of Hwy 74, ca. 1 mile E of junction with I-15 Freeway. 457 Comment
  UCR158724  Schismus barbatus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30030 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
  UCR26326  Schismus barbatus John C. Roos 1940-3-3 912 Riverside Sonoran (Colorado) Desert, around Palm Springs 183 Comment
  UCR59815  Schoenoplectus californicus Jeri Hirshberg 1989-7-18 s.n. Riverside Vicinity of Lake Skinner: drainage east of the reservoir. Comment
  RSA91474  Schoenoplectus maritimus Joseph A. Ewan, C. Epling 1933-5-12 7609 Riverside South shore Lake Elsinore. Comment
  POM184658  Scirpus acutus var. occidentalis L. C. Wheeler 1932-9-4 1337 Riverside Prado Basin: Santa Ana River at Chino Creek 183 Comment
  UCR60253  Scirpus cernuus var. californicus Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3638 Riverside Butterfield Valley, Vail Lake area, Temecula Creek, SE of the lake, just north of Hwy 79 488 Comment
  UCR138609  Scirpus microcarpus D. L. Banks 1996-11-7 1192 Riverside Peninsular Range; Agua Tibia Mountains, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. At the end of the main road in the Reservation, c. 150 m NW of the spring on the N fork of Pechanga Creek, at the E end of the Reservation 473 Comment
  UCR107409  Scrophularia californica B. G. Pitzer 1997-3-23 2968 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  RSA660915  Scrophularia californica subsp. floribunda Mitch Provance 1998-5-4 1713 Riverside SW ''Rattlesnake Mt.'', above the Ormand Quarry, ca. 1.5 km W of peak 1739. 366 Comment
  RSA674596  Scutellaria bolanderi subsp. austromontana Scott D. White 2000-8-5 8104 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  UCR202605  Scutellaria bolanderi subsp. austromontana Scott D. White, Justin M. Wood 2008-7-9 12414 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  UCD92559  Secale cereale R. N. Raynor 1938-6-20 s.n. Riverside Herky Creek. Comment
  UC831722  Senecio I. W. Clokey and E. G. Anderson 1935-8-21 6777 Riverside Keen Camp P.O. 1350 Comment
  CAS-BOT-BC327392  Senecio aphanactis Mrs. Wilder 1909-4-1 s.n. Riverside Near Riverside Comment
  UCR133412  Senecio flaccidus var. douglasii Jeffrey Ross, T. B. Salvato 1998-6-9 MOR- 319 A Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Lion Canyon, c. 3.5 miles NNW of Cabazon 854 Comment
  UCR162760  Senecio flaccidus var. douglasii John F. Green 2005-10-20 s.n. Riverside Elsinore Basin/Menifee Valley, Bundy Canyon, N of Bundy Canyon Road c. 2 mi east of Hwy I-15 518 Comment
  UCR92105  Senecio flaccidus var. douglasii D. L. Banks, S. D. Boyd 1995-5-17 448 Riverside Agua Tibia Mountains, NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn, east of the Dripping Springs Alcove area, west of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. 598 Comment
  CLARK-A1528-2087  Senecio mohavensis John C. Roos 1949-4-10 4223 Riverside Chuckwalla Mountains Comment
  PASA953  Senecio mohavensis Margaret Stason 1928-3-3 Riverside Hidden Springs, Colorado Desert Comment
  RSA0035903  Senecio mohavensis J. M. Andre 2013-3-27 24820 Riverside Riverside Mountains; east side of Riverside Mountains, along Hwy 95, 13.2 mi. south of Vidal Jct. 126 Comment
  RSA778254  Senecio mohavensis Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 920 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 335 Comment
  UCR60771  Senecio mohavensis Steve Boyd, O. Mistretta 1986-3-13 1473 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  RSA496133  Senecio vulgaris Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-3-19 3015 Riverside Vail Lake area,1 mile W of Lake 610 Comment
  RSA740086  Senecio vulgaris Justin M. Wood 2008-11-17 232 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCD108484  Senna armata William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. 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
  UCR181161  Sesuvium verrucosum R. E. Riefner Jr. 2005-8-28 05- 648 Riverside Peninsular Range, SE of Lake Elsinore toward Wildomar, Corydon Rd. at Union St. 394 Comment
  UCR70883  Setaria parviflora D. L. Crawford, I. M. Johnston 1917-6-9 1220 Riverside San Bernardino Valley/Upper Santa Ana River, Santa Ana River near Corona 152 Comment
  UCR120  Setaria viridis Frank C. Vasek 1959-8-6 590806- 03 Riverside Riverside, O.F. Clarke residence at 1012 Spruce St. 305 Comment
  RSA0002001  Sibaropsis hammittii Steve Boyd, Timothy S. Ross 1992-3-31 6771 Riverside Santa Ana Mountains, clay soil areas on Elsinore Peak. 1011 Comment