Search Results — 2000 specimen records retrieved (1910 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/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
  UCSB21  Abies concolor Zellhoefer, Judi 1960-5-14 Riverside Black Mt. Camp, Highway 74; San Bernardino National Forest; San Jacinto Mts. Comment
  CAS-BOT-BC229308  Abronia villosa John F. Green 2005-3-3 s.n. Riverside Sonoran (Colorado) Desert: Salton Basin, E of Salton Sea, ca. 4 mi N of Niland; between siphons 10 and 11 46 Comment
  CAS-BOT-BC229331  Abronia villosa L. R. Abrams 1913-7-16 s.n. Riverside Between Elsinore and Corona Comment
  CSUSB1079  Abronia villosa Randy Salstrom 1966-2-27 Riverside 12 miles east of Indio, beside road between Indio and Blythe near Colorado River Aqueduct. 30 Comment
  SDSU8426  Abronia villosa Thomas A. Zink 1971-3-1 Riverside Scattered plants growing in the dry, sandy bottom of the San Jacinto River, near the bridge at the junction of State Highway 74 and Soboba Springs Rd. 488 Comment
  SEINET3133843  Abronia villosa T. Reeves, D. J. Pinkava 1974-3-19 11751 Riverside Rte I-10 frontage rd at Indian Wells Washington St., 6 mi E of Thousand Palms Comment
  UCR115994  Abronia villosa var. aurita A. C. Sanders, Pam MacKay, E. J. Lawlor, C. L. Sanders 2000-3-19 23315 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
  OBI13405  Acacia greggii Tracey & Viola Call, Viola Call 1962-4-6 2114 Riverside 3 mi NW of Desert Hot Springs 274 Comment
  RSA414901  Acacia greggii var. arizonica Ora M. Clark 1929-3-17 1748 Riverside S. La Quinta. Comment
  POM41108  Acamptopappus sphaerocephalus var. sphaerocephalus Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  RSA730112  Acamptopappus sphaerocephalus var. sphaerocephalus R. F. Thorne 1966-10-15 41805 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway Comment
  RSA93730  Acamptopappus sphaerocephalus var. sphaerocephalus F. W. Peirson 1927-4-11 7154 Riverside 0.5 mile below Whitewater Bridge, head of Coachella Valley. Comment
  CAS-BOT-BC331638  Acer macrophyllum B. D. Stark 1930-2-21 1474 Riverside Hidden Canyon, near Corona, Santa Ana Mts. Comment
  UCR193903  Achillea millefolium A. C. Sanders, Mitch Provance 2008-7-11 35779 Riverside Peninsular Range; San Jacinto Mtns., FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station 1463 Comment
  RSA714959  Achnatherum hymenoides Sarah J. De Groot, J. Mark Porter 2006-3-14 5198 Riverside North foot of San Jacinto Mts, between Snow Creek Road and Highway 111. Stabilized sand dunes several miles downstream from gaging station. 366 Comment
  RSA775347  Achnatherum hymenoides Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5014 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.00456, W116.67238 and N33.99629 and W116.66014 750 Comment
Read comments
May 22 2012
  CAS-BOT-BC218032  Achnatherum latiglume Jason R. Swallen 1927-6-23 656 Riverside Idyllwild, San Jacinto Mountains Comment
  CAS-BOT-BC384729  Achyronychia cooperi H. M. Hall 1905-4-1 5773 Riverside Colorado Desert. Indian Well 0 Comment
  SD107125  Acmispon glaber B. Ertter, J. Strachan 1979-6-26 2983 Riverside Hwy 243 near Idyllwild, San Jacinto Mts, decomposed granite of roadside. Comment
  JOTR30228  Acmispon heermannii var. heermannii Leary, C. and Leary, Pat 1979-5-5 2981 Riverside Joshua Tree National Park. Among granite boulders above Lower Covington Flat, Joshua Tree N.M., T2S R7E sec 6 Comment
  SD212601  Acmispon heermannii var. heermannii Jennifer H. Jones, Thi Bui and Holly Summers 2006-5-31 347 Riverside San Jacinto Mountains; turnout south of Mt. Edna Road along CA Highway 243. 1143 Comment
  JOTR35143  Acmispon strigosus La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3255 Riverside Joshua Tree National Park. West Cottonwood Mountains; rocky bench between deep drainages in large southwest facing canyon feeding into east Pinkham Wash (Stop 3) Comment
  SD215527  Acmispon strigosus Steve Boyd, Tim Ross, et al. 1990-4-2 4033 Riverside Vail Lake area, lower slopes of Agua Tibia Mountain along Highway 79, east of USFWS Dripping Springs Guard Station. 487 Comment
  SDSU13682  Acmispon strigosus Janet M. Knotts with Jill Steinberg and Kevin Contreras 1998-3-25 25 III1998M Riverside Road southwest of SDSU Santa Margarita Field Station, ca. 500 feet southwest on road to switchback, west side of road. 311 Comment
  HSC5472  Adenophyllum porophylloides C. L. Hitchcock, C. V. Muhlick 1964-3-22 23270 Riverside Pinto Basin; Joshua Tree National Monument Comment
  UCR242668  Adenostoma fasciculatum A. C. Sanders 2013-7-6 40843 Riverside Peninsular Range; San Jacinto Mountains, Idyllwild, SE side of town near south end of South Ridge, near junction of Tahquitz View Dr. and FS Rd. 5S11 1784 Comment
  SEINET8722549 Image available Adenostoma fasciculatum Jean Coulson 1959-1 86 Riverside San Jacinto Mts. , Riverside County, California. 0.2 mi. E. of N. Fork of San Jacinto R. , on Highway 74. N. side of road. Comment
  CAS-BOT-BC139866  Adenostoma sparsifolium H. E. McMinn 1925-7-2 1521 Riverside [Idylwild] Idyllwild grade - San Jacinto Mts. Comment
  UCR1103  Adiantum jordanii J. E. Dimitman 1957-3-23 s.n. Riverside Santa Ana Mountains, San Mateo Creek 396 Comment
  JEPS548  Agave deserti W. L. Jepson May 17 1901-Jun 1 1901 1356 Riverside Palm Canyon and return to Van Deventer's Comment
  UCR45940  Ageratina adenophora Barbara J. Fuchs 1968-5-12 70 Riverside Peninsular Range; Santa Ana Mtns., Hwy 74, 15 mi west of Lake Elsinore, Cleveland National Forest 610 Comment
  SEINET3271559 Image available Agropyron repens O. F. Clarke 2004-5-17 Riverside Peninsular Range; Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCD52436  Agrostis exarata August L. Hormay 1932-8-8 s.n. Riverside Tahquitz Valley. Comment
Read comments
Sep 8 2011
  CAS-BOT-BC139443  Agrostis hyemalis Ralph Hoffmann 1929-9-8 s.n. Riverside Mount San Jacinto. Comment
  UC1922837  Agrostis idahoensis Naomi Fraga, et al. 2006-7-11 1714 Riverside Peninsular Ranges; San Jacinto Mountains region: Mount San Jacinto State Park, Hidden Lake. Comment
  UCR2134  Agrostis viridis F. M. Reed 1906-5-26 959 Riverside Riverside. Wastewater ditch on Blaine Street Comment
  UCR98068  Alchemilla occidentalis A. C. Sanders 1997-3-1 19733 Riverside Box Springs Mountains, Pigeon Pass, canyon below Regulus Road, 0.6 mi. west of Pigeon Pass Road., 0.4 mi. east of Bench Mark 'Table' (2559 ft). 610 Comment
  UCR8263  Alhagi pseudalhagi D. O. Clark 1969-7-2 s.n. Riverside Western Colorado Desert, Coachella Valley, 2 mi west of Mecca Comment
  RSA0039855  Aliciella latifolia Duncan S. Bell, Evan Meyer 2014-4-2 6506 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  RSA717452  Allionia incarnata Scott D. White, Andrea Warniment 2006-3-22 11264 Riverside Eastern Coachella Valley a few mi E of Indio. Proposed I-10 Freeway / McMaughton Parkway Interchage, N of I-10 Freeway. 91 Comment
  UCR233943  Allionia incarnata Duncan S. Bell 2011-10-22 2996 Riverside Sonoran (Colorado) Desert, Arica Mountains, west side of range, c. 2.6 air miles west of Priests Well, c. 6.8 air mi. SW of Rice 437 Comment
  UCR60495  Allium fimbriatum var. fimbriatum A. C. Sanders, B. D. Parfitt, R. Anthony 1986-4-21 6461 Riverside Santa Rosa Mtns., Pinyon Flats, 0.1 mi. south of Hwy 74 on the road to the refuse transfer station and the dolomite mine, south of the campground 1225 Comment
  UCR167525  Allium haematochiton Scott D. White, Brian Leatherman, James Huelsman 2005-2-14 10779 Riverside Santa Ana Mtns, Santa Rosa Plateau area, just SE of Redonda Mesa. Corona Cala Camino at the intersection with Cerro Rd 701 Comment
  RSA771810  Allium lacunosum var. lacunosum Steve Boyd 2010-5-26 12278 Riverside Elsinore Peak, southeast of peak, north of trail along old Main Divide Road east of road up to communications towers, near concrete wildlife drinker. 1040 Comment
  CAS-BOT-BC475445  Allium serra W. G. Wright 1894-5-1 s.n. Riverside Not specified Comment
  RSA678943  Allophyllum Scott D. White, Michael Honer 2003-6-3 9487 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UCR193520  Allophyllum gilioides A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35563 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, nameless tributary NW of Herkey Crk., north of Bonita Vista Rd. and NE of May Valley Rd. 1555 Comment
  LA210330  Allophyllum glutinosum Harlan Lewis; Elizabeth McClintock 1941-6-29 Riverside Gavilan Hills-Gavilan Plateau, Santa Rosa Rd Canyon 5 mi from Pines to Palms Highway Comment
  LA210332  Allophyllum glutinosum Harlan Lewis; E. McClintock 1941-6-29 Riverside Gavilan Hills-Gavilan Plateau, Santa Rosa Rd Canyon 5 mi from Pines to Palms Highway Comment
  SBBG118783  Allophyllum glutinosum S. D. White 1999-7-9 7530 Riverside near Idyllwild Community Service District sewage ponds at terminus of USFS Rd 5S24.2; T5S R2E boundary of S15/22 1430 Comment
  SEINET2444451  Allophyllum glutinosum Leigh A. Johnson 1997-6-20 97 -103 Riverside San Jacinto Mtns. At jct. of Hwy 243 and Black Mtn. Campgroup road. Comment
  CLARK-A1528-1389  Amaranthus albus John C. Roos 1937-8-17 1220 Riverside San Jacinto Comment
  JOTR35165  Amaranthus albus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3270 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  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
  POM153376  Amaranthus californicus P. A. Munz, I. M. Johnston 1928-9-12 11247 Riverside Temescal Canyon, Lee s Lake. Comment
  POM306175  Amaranthus fimbriatus Henry J. Ramsey, Henrt J. Ramsey 1939-11-28 s.n. Riverside Indio-(20 mi. east) Comment
  UCR272673  Amaranthus fimbriatus Sarah J. De Groot, Duncan S. Bell 2015-9-21 7584 Riverside Peninsular Range; Santa Rosa Mountains, SSW of Palm Desert, along Carrizo Road just north of Hwy 74 1053 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
  SD187323  Amaranthus palmeri Scott D. White, Angelia Carey 2004-9-16 10756 Riverside San Jacinto Mountain foothills: Roadside, intersection of Soboba Road and Castile Canyon Road. 509 Comment
  UCR271682  Amaranthus palmeri Mitch Provance 2011-7-4 17178 Riverside San Bernardino Valley, Northwestern base of the Jurupa Mountains, adjacent to S side of Fontana (technically in an unincorporated part Riverside Co.), retention basin on S side of Philadelphia St., just E of Country Village Rd. 262 Comment
  UCR94925  Amaranthus palmeri Scott D. White 1996-9-22 4533 Riverside Perris Basin, Perris: Nuevo Road, just east of San Jacinto River crossing 435 Comment
  CDA23780  Ambrosia acanthicarpa Mike Lahti 2008-10-14 PDR# 1509229 Riverside Temecula. 0 Comment
  POM319667  Ambrosia acanthicarpa Patricia Wilder 1971-9-29 5263 Riverside Along San Jacinto River at north end of Fairview Street, north of Florida Street, Valle Vista; east of Hemet. On dry river bed. 518 Comment
  RSA425023  Ambrosia acanthicarpa J. C. Roos 1965-9-26 s.n. Riverside Hemet Valley, San Jacimto Mtns. Comment
  SD187332  Ambrosia acanthicarpa Scott D. White, Angelia Carey 2004-9-16 10752 Riverside San Jacinto Mountain foothills: Along Poppet Creek northeast of San Jacinto River. 561 Comment
  UCR176692  Ambrosia acanthicarpa R. D. Goeden, Don W. Ricker 1969-7-31 s.n. Riverside Peninsular Range; San Jacinto Mtns., Lake Hemet, along Hwy 74 south of inlet 1326 Comment
  UCSB10270  Ambrosia acanthicarpa Ballard 1954-10-30 Riverside 3 miles south of Men's Reform School, (Chino Institute), Chino 198 Comment
  LA26697  Ambrosia dumosa William Shapeero; 1954-4-28 Riverside Joshua Tree National Monument Comment
  RSA696752  Ambrosia dumosa J. Russell Bruff 1932-3-21 s.n. Riverside 1000 Palms. Comment
  CAS-BOT-BC30796  Ambrosia ilicifolia Edmund C. Jaeger 1939-2-8 s.n. Riverside 2 miles so of Desert Center on north base of Chuckawalla Mts. 289 Comment
  RSA33662  Ambrosia psilostachya N. C. Cooper 1943-10-9 963 Riverside Hemet. 305 Comment
  HSC87232  Ambrosia salsola Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2132 Riverside N end of the Palen Mtns., 2 mi. W of Palen Pass 300 Comment
  SD229060  Ambrosia salsola Dick Schwenkmeyer 2012-11-6 862 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
  UC1279727  Ambrosia salsola David B. Dunn and A. Folsom 1948-6-17 3800 Riverside at camp in Pushawalla canyon, by quad 2 Pushawalla Canyon Comment
  UCR146729  Ammi visnaga Gene McTeer 2004-9-3 s.n. Riverside Peninsular Range; Santa Rosa Plateau, Garcia property on Sunday Dr., south of Rancho California Rd., Temecula 543 Comment
  CAS-BOT-BC180626  Amorpha californica var. californica Steve Boyd; Tim Ross 1992-5-15 7403 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero 670 Comment
  SD137842  Amsinckia intermedia Darin L. Banks, Steve Boyd 1995-5-3 242 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, North slope of Agua Tibia Mountain, East of Dripping Springs Alcove Area,Arroyo Seco 500 Comment
  UC56849 Image available Amsinckia intermedia H. M. Hall 1902-4-1 2891 Riverside vicinity Winchester; Diamond Valley; Diamond Valley, Riverside Co. 548 Comment
Read comments
Mar 20 2011
  UCR228844  Amsinckia intermedia A. C. Sanders, Nathan Moorhatch 2011-3-22 38787 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland in Menifee Valley, powerline route along McLaughlin Rd. east of Trumble Rd. and west of Antelope Rd. 440 Comment
  UCR4153  Amsinckia intermedia R. H. Sauer 1965-2-28 s.n. Riverside Box Springs Mtns 366 Comment
  RSA0089610  Amsinckia intermedia P. A. Munz, R. D. Harwood 1920-2-28 3239 Riverside 3 mi SW of Corona. 305 Comment
  RSA0089617  Amsinckia intermedia J. Olmstead 1962-5-2 3449 Riverside Sandy flat by saddle just N of Box Springs Mountains, by road from Pigeon Pass. 777 Comment
  CSUSB1577  Amsinckia menziesii R. Pirot 1975-5-10 S. N. Riverside Juniper Flats road and Highway 74, Homeland 542 Comment
  SD185165  Amsinckia retrorsa A. C. Sanders 2005-5-4 29846 Riverside Gavilan Hills near Riverside; ca. 1.0 km east and southeast of Gavilan Peak. 625 Comment
  POM368401  Amsinckia tessellata P. J. Remple 1942-3-1 s.n. Riverside Between Indio and Palm Springs. Comment
  UCR213579  Amsinckia tessellata A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37866 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, under powerlines near tower, 1.23 mi. NNW (348 deg. ) of intersection of I-15 and Lake St. 537 Comment
  SEINET239042  Andropogon glomeratus A. C. Sanders, Pam MacKay; Tim Thomas O. F. Clarke 1996-11-23 19657 Riverside San Bernardino Mtns.: Whitewater Canyon just above Bonnie Bell 2.3 miles below the stream crossing near the fish hatch 534 Comment
  UCR89389  Andropogon glomeratus A. C. Sanders, O. F. Clarke, P. J. MacKay, S. D. White, C. L. Sanders 1994-11-27 15873 Riverside San Jacinto Mtns/Colorado Desert, Palm Canyon, from Hermit's Bench upstream to just beyond the confluence with East Fork 300 Comment
  RSA170216  Anemopsis californica John Weiler, Roy L. Taylor 1961-5-12 61127 Riverside North of Temecula along U.S. 395, 3.4 miles south of Murietta Hot Springs lateral. Comment
  RSA503858  Anemopsis californica N. C. Cooper 1949-6-1 3958 Riverside Elsinore. 457 Comment
  SD227897  Anemopsis californica A. C. Sanders, K. C. Rose 1999-6-18 22808 Riverside Skinner / Domenigoni area: French Valley, E side of Washington Ave. near Rawson Rd. 451 Comment
  POM21057  Antennaria rosea Fordyce Grinnell Jr. 1908-07 s.n. Riverside Tahquitz Valley 2439 Comment
  CDA5344  Anthriscus caucalis A. C. Sanders, Seung-Chul Kim 2005-5-7 30072 Riverside Peninsular Range, Agua Tibia Mountains; UC Emerson Oaks Reserve, ca. 8 miles southeast of Temecula, S of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank Comment
  RSA0009192  Antirrhinum coulterianum Scott D. White, Bill La Haye 2000-5-27 7955 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  RSA395356  Antirrhinum coulterianum Steve D. Boyd 1986-4-22 1742 Riverside Temescal Canyon: Stable alluvial benches of Indian wash just south of I-15. Comment
  UCR162269  Antirrhinum coulterianum S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1220 Comment
  UCR133652  Antirrhinum kelloggii Michael D. Wilcox 2003-5-13 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  RSA561016  Apiastrum angustifolium Steve Boyd, Timothy S. Ross 1992-5-4 7194 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  UCR250315  Apiastrum angustifolium A. C. Sanders 2014-4-16 41017 Riverside Peninsular Range, Temescal Valley, Campbell Ranch Rd. between Indian Truck Trail and Temescal Canyon Rd., south of Sycamore Creek Fire Station 372 Comment
  UCR130850  Apium graveolens 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
  POM12858  Aquilegia formosa P. A. Munz 1922-6-24 5807 Riverside Pipe Creek, Hemet Valley 1524 Comment
  UCR35186  Arabis glabra L. B. Ziegler 1970-5-27 408 Riverside San Jacinto Mtns., area on W slope below Antsell Rock near Apple Canyon 1585 Comment
  CAS-BOT-BC410048  Arceuthobium campylopodum Geo. B. Grant July 01 1113 Riverside San Jacinto Mountains Comment
  RSA207633  Arceuthobium campylopodum James Henrickson 1969-10-25 4258 Riverside 9 mi. SE of Idyllwild near Hemit Reservoir. 1372 Comment
  RSA629156  Arctostaphylos Jon E. Keeley 1992-7-17 16770 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  RSA629166  Arctostaphylos Jon E. Keeley 1992-7-17 16806 Riverside Rd. to Thomas Mts. (5S15), 7.0 km north of Toolbox Springs. 1720 Comment
  RSA629353  Arctostaphylos glandulosa Jon E. Keeley 1978-9-16 7260 Riverside On Twin Pines Ranch Road off Highway 243. Comment
  RSA629481  Arctostaphylos glandulosa Jon E. Keeley 1992-6-16 16837 Riverside Hwy 243, 30 km N of Idyllwild. 1630 Comment
  UCR273496  Arctostaphylos glandulosa A. C. Sanders, Glen Morrison 2016-8-4 42620 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, Calle Viento (thin dirt road) south of Avenida Presa, 0.5 km south of Rancho California Rd. 656 Comment
  CAS-BOT-BC24914  Arctostaphylos glandulosa subsp. adamsii P. A. Munz; E. K. Balls 1952-8-21 17984 Riverside Road-Vandeventer Flat to Santa Rosa Peak. 2072 Comment
  RSA629363  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-6-16 16832 Riverside Hwy 243, 30 km N of Idyllwild. 1630 Comment
  UC21900  Arctostaphylos glandulosa subsp. zacaensis H. M. Hall 1901-6-11 2054 Riverside vicinity of Chalk Hill San Jacinto Mountains 1584 Comment
  CAS-BOT-BC24675  Arctostaphylos glauca L. R. Abrams 1912-7-11 4919 Riverside Near Sugarloaf Valley. Comment
  RSA631745  Arctostaphylos glauca Jon E. Keeley 1992-6-12 15530 Riverside Road to Elsinore Peak, 1.5 km south of Highway 74. 850 Comment
  RSA633554  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21792 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633564  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16614 Riverside Road to Santa Rosa Mountain, (7S02), 1.8 km south of Highway 74. 1560 Comment
  RSA633580  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20118 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633589  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22521 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633708  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16672 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA633712  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16655 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  UC21885  Arctostaphylos patula H. M. Hall 1901-6 2419 Riverside Tauquitz Valley San Jacinto Mountains 2438 Comment
  RSA0054854  Arctostaphylos patula Anonymous 1938-5-26 s.n. Riverside Hurkey Creek. Comment
  CAS-BOT-BC44330  Arctostaphylos pringlei subsp. drupacea H. E. McMinn 1925-7-2 1495 a Riverside Tahquitz Trail, San Jacinto Mts. Comment
  CAS-BOT-BC44331  Arctostaphylos pringlei subsp. drupacea Elizabeth McClintock 1965-6-25 s.n. Riverside Santa Rosa Mountain, a short distance below summit Comment
  POM250404  Arctostaphylos pringlei subsp. drupacea I. W. Clokey, E. G. Anderson 1935-8-21 6784 Riverside Fuller's Creek, San Jacinto Mountains 1500 Comment
  POM49845  Arctostaphylos pringlei subsp. drupacea P. A. Munz, I. M. Johnston 1924-7-29 8871 Riverside Above Poppet Flat, San Jacinto Mts. 1220 Comment
  RSA1789  Arctostaphylos pringlei subsp. drupacea C. B. Wolf 1931-5-11 1948 Riverside Near Pipe Creek, above Hemet Valley, San Jacinto Mountains. 1677 Comment
Read comments
Mar 24 2011
  RSA635656  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-16 16640 Riverside Road to Santa Rosa Mtn. (7S02), 3.7 km south of Hwy 74. 1610 Comment
  RSA679988  Arctostaphylos pringlei subsp. drupacea LeRoy Gross, Firoozeh Navid-Ara, Valerie Soza 2003-6-23 1120 Riverside Black Moutain Road (4501), southeast of Black Mountain and northwest of Fuller Mill Creek. 2012 Comment
  JEPS46252  Arctostaphylos pungens A. E. Wieslander Feb. 1929 Riverside near Prison Camp; San Jacinto Mts. Comment
  RSA635785  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16528 Riverside Red Mountain Road, 5 km east of R3. 1000 Comment
  RSA635805  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16551 Riverside Red Mountain Road, 10.7-11.5 km east of R3. 1050 Comment
  JOTR36464  Argemone corymbosa La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3434 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; ridge top with steep, loose, rocky metamorphic siltstone slopes below (above Russi Rocks guzzler) (Stop 3) 538 Comment
  CAS-BOT-BC207128  Argythamnia lanceolata Carl B. Wolf 1932-4-27 3058 Riverside 5 mi. E of Desert Center, No. base of Chuckwalla Mts., Colorado Desert 152 Comment
  JOTR31934  Aristida adscensionis La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2172 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky wash draining into west Pinkham Wash Comment
  UCR244447  Aristida adscensionis Jim Andre 2012-4-16 20903 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd, 3.1 mi. north of south entrance, 4.1 mi. north of I-10 788 Comment
  SBBG57075  Aristida divaricata M. N. Ackley -May-1929 Riverside Tahquitz Lodge 1524 Comment
  UCR37468  Aristida parishii Steve Boyd 1981-3-13 s.n. Riverside Gavilan Hills, Estelle Mtn. Comment
  SEINET1906699  Aristida purpurea A. C. Sanders, G. Helmkamp, P. MAcKay 1995-1 16181 Riverside coachella Valley/ San Jacinto Mtns. Foothills: Chino Canyon near the Palm Springs tram station. 792 Comment
  POM6655  Aristida purpurea var. nealleyi P. A. Munz, L. T. Street 1919-5-7 2725 Riverside Mouth of Tahquitz Canyon. Comment
  UCR120861  Aristida purpurea var. parishii J. Zabriskie 1976-12-21 963 Riverside Sonoran (Colorado) Desert/Peninsular Range, Deep Canyon Desert Research Area. Coyote Canyon, 1 mi east of research station 335 Comment
  UCD56524  Aristida purpurea var. wrightii A. A. Beetle 1942-4-22 3184 Riverside Rt. 60 near Desert Center. Comment
  UC573616  Aristida ternipes var. hamulosa H. S. Yates 1937-6-27 6709 Riverside Lower San Jacinto River Canyon San Jacinto Quadrangle 640 Comment
  UCR122760  Artemisia Steve Morgan 2001-10-18 s.n. Riverside San Bernardino Valley region, weed in the UCR Botanical Garden, E side of the UCR campus 396 Comment
  UC63059  Artemisia dracunculus H. M. Hall 1901-8-6 2622 Riverside Strawberry Valley San Jacinto Mountains, Strawberry Valley 1615 Comment
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Sep 21 2006
  UCR138554  Artemisia dracunculus Steve Boyd, D. E. Bramlet 1988-10-8 2880 Riverside San Jacinto Mtns. area, Cahuilla Mountain, SW of Anza at head of Bautista Canyon, along the crest of the mountain 1707 Comment
  CAS-BOT-BC93735  Artemisia ludoviciana subsp. albula Alice Eastwood 1913-4-30 s.n. Riverside Palm Springs Comment
  IRVC496  Artemisia ludoviciana subsp. incompta R. H. Whittaker, W. A. Niering 1963-6-9 SJ 365 Riverside Above saw mill. Peninsular Ranges, Santa Rosa Mountains 1936 Comment
  RSA417379  Artemisia spinescens Anstruther Davidson 1893-4-12 s.n. Riverside Palm Springs. Comment
  SEINET959514  Artemisia tridentata R. E. Riefner Jr. 2006-1 6 -442 Riverside Temecula Valley, c.0.1 mi. West of I-15 freeway along Temecula Creek (temecula 7.5 ) 301 Comment
  OBI42557  Asclepias californica A. C. Sanders & B. Pitzer, B. Pitzer 1986-4-30 6488 Riverside San Jacinto mts, head of Bee Cyn along Bee Cyn Rd, 1.7 mi above the mouth of the cyn at the San Jacinto river valley 792 Comment
  SEINET195890  Asclepias californica F. A. Thackery 1928-5-22 478 Riverside Banning Hights. Comment
  RSA263780  Asclepias eriocarpa Herman 1954-6-24 s.n. Riverside Corona Foothills; dry hills. Comment
  RSA792557  Asclepias erosa Duncan S. Bell 2012-9-13 4184 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  POM319657  Asclepias fascicularis Patricia Wilder 1970-10-15 4807 Riverside Prado Dam in Prado Flood Control Basin. East of Chino Hills. Santa Ana River Drainage Area. 122 Comment
  UCR4504  Asclepias fascicularis John Dean 1965-7-28 s.n. Riverside Eastern Colorado Desert, 10 mi. north of Blythe on US Hwy 95 Comment
  RSA0087461  Asclepias subulata Sarah J. De Groot, Amy Rouillard 2015-9-15 7574 Riverside Along Eagle Mountain Road north of I-10, at large wash crossing. West of Desert Center, western Chuckwalla Valley. 314 Comment
  RSA792833  Asclepias subulata Justin M. Wood, Dustin Ray 2011-4-28 3845 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
  CDA2687  Asphodelus fistulosus A. C. Sanders, T. B. Salvato 2001-5-24 24371 Riverside Perris-Aguanga Basin; Temecula, Long Canyon area west of Del Rey Rd. along Avenida Buena Suerte. Comment
  RSA0061163  Asphodelus fistulosus Robt. Allen 2009-4-3 s.n. Riverside Santa Ana Mountains region: Near community of El Cariso. Along South Main Divide Road, 515 air meters(0.32 air miles) southeast of junction with Ortega Hwy (SR74). 843 Comment
  SDSU17486  Aspidotis californica Jerry Jenkins 2001-3-30 2001 -006 Riverside Santa Margarita Ecological Reserve. Foot of Shaded bluff, west side of S.M. River, slightly north of station. UTM zone 6, 481700N, 3699150E. UTM transfered to GIS. Comment
  UCR277706  Aster subulatus Mitch Provance 2012-11-3 1112- 06 Riverside San Timoteo Canyon, West Beaumont, N side of Oak Valley Parkway (San Timoteo Canyon Rd.), 1.5 miles W of I-10. 709 Comment
  RSA415777  Astragalus aridus M. B. Dunkle 1934-3-18 3856 Riverside Shavers Valley. Mecca Hills. W. of Shaver's Well. 91 Comment
  RSA498248  Astragalus aridus T. S. Clare 1930-4-14 s.n Riverside Salton Sea. [Imperial to Riverside Co] Comment
  UC1546948  Astragalus aridus Leila M. Shultz, John S. Shultz 1985-4-15 8243 Riverside along Wiley's well road Chuckawalla Valley depression (Chuckawalla Valley depression) 121 Comment
  UCR170098  Astragalus aridus John F. Green, Nathan Moorhatch 2005-4-26 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Indio, south of Indio Blvd., between Burr St. and Ave. 42, within sight of I-10 12 Comment
  UCR236547  Astragalus aridus Carolyn Martus, Joseph A. Betzler, Chezzy W. Brungraber, Lance Woolley 2008-4-15 1214 Riverside Sonoran (Colorado) Desert, 30 miles west of Blythe near Palen Dry Lake, from I-10 exit Corn Springs Rd. north for about 8 miles 130 Comment
  POM9367  Astragalus aridus Mary F. Spencer 1920-3-14 1483 Riverside Desert sand, Colorado Desert. -60 Comment
  POM266080  Astragalus bernardinus C. L. Hitchcock 1940-4-3 5942 Riverside Between Cottonwood Springs and Pinto Basin. Comment
  NY43150  Astragalus coccineus J. B. Walker 1995-5-4 1414 Riverside San Bernardino National Forest, Hwy 74, 3km E of junction with Santa Rosa Mtn Rd 1400 Comment
  RSA485841  Astragalus coccineus T. S. Elias 1988-1-26 10674 Riverside Joshua Tree National Monument; Cottonwood Spring region, along trail from Mastodon Peak to Lost Palms Oasis. Comment
  CHSC823  Astragalus crotalariae E. Thomas 1940-3-3 Riverside Coachella Valley. -30 Comment
  CAS-BOT-BC178434  Astragalus douglasii var. parishii Peter H. Raven; Sidney R. Snow 1956-7-6 9662 Riverside On deserty roadbanks, 1.5 miles from hemet Road on roat to Aquanga, San Jacinto Mts. Comment
  POM19604  Astragalus douglasii var. parishii Mary F. Spencer 1923-6-29 2194 Riverside Idyllwild 1646 Comment
  RSA594759  Astragalus douglasii var. parishii D. L. Banks, Dylan Hannon 1996-5-3 1001 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA740944  Astragalus filipes Scott D. White, Justin M. Wood 2008-6-17 12183 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  RSA525226  Astragalus gambelianus Steve Boyd, Laurel Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4604 -A Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  CAS-BOT-BC187107  Astragalus lentiginosus var. borreganus P. A. Munz; D. Keck 1922-4-14 4963 Riverside Indian Wells, Colorado Desert 106 Comment
  JEPS54702  Astragalus lentiginosus var. coachellae W. L. Jepson 1927-4-11 11631 Riverside near Palm Springs station (Whitewater); nw Colorado Desert 457 Comment
  RSA715087  Astragalus lentiginosus var. coachellae Sarah J. De Groot, J. Mark Porter 2006-3-14 5197 Riverside North foot of San Jacinto Mts., between Snow Creek Road and Highway 111; several miles downstream from gaging station. 366 Comment
  UCR265197  Astragalus lentiginosus var. coachellae David Fraker, Aaron C. Sedgwick 2012-5-8 94 Riverside Sonoran (Colorado) Desert, south of Hwy 111 along dunes at base of the San Jacinto Mtns. 375 Comment
  UCR162810  Astragalus lentiginosus var. variabilis James C. Dice, Kim A. Nicol 1998-3-24 980324 -2 Riverside NW Colorado Desert, 5.1 miles (8.2 km) N of Desert Center, along State Hwy 177 168 Comment
  RSA0120003  Astragalus palmeri Duncan S. Bell, Thomas Stoughton 2016-4-13 9256 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  SBBG35750  Astragalus palmeri D. Myrick 1966-4-3 1347 Riverside Hidden Valley; Joshua Tree Nat Monument Comment
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Dec 14 2016
  RSA90638  Astragalus palmeri F. W. Peirson 1921-3-23 4752 Riverside Deep Canyon, SE of Palm Springs. 335 Comment
  CAS-BOT-BC194133  Astragalus pomonensis L. R. Abrams 1926-3-27 11138 Riverside Between Redlands and Bannings at junction of Wildwood Canyon Road Comment
  UCR107895  Astragalus pomonensis G. F. Pratt 1997-3-11 s.n. Riverside March Air Force Base, Cactus Ave., c. 1 mi. west of 215 Fwy & south of Assesandro Blvd. 518 Comment
  UC472700  Astragalus sabulonum M. F. Spencer 1922-3-24 Riverside Mecca , Mecca (Colorado Desert) -106 Comment
  JOTR35473  Astragalus tricarinatus Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 76 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats 1463 Comment
  UCR187472  Athyrium filix-femina Diane Menuz, Angela Hyde 2006-8-24 236 Riverside Peninsular Range; San Jacinto Mtns, North Fork San Jacinto River c. 100 m below FS Rd. 5S09, below Indian Mountain 1331 Comment
  CAS-BOT-BC17417  Athysanus pusillus Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 4041 Riverside Vail Lake area, lower slopes of Agua Tibia Mountain, along highway 79, east of USFWS Dripping Springs Guard Station. 609 Comment
  POM13789  Athysanus pusillus P. A. Munz 1922-4-29 5136 Riverside Tucalota Creek, S of Hemet Comment
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Sep 17 2011
  RSA614289  Athysanus pusillus D. L. Banks, V. W. Steinmann 1997-3-13 1519 Riverside NW Palomar Mountains, Agua Tibia Mountains: Vail Lake area, north and just south of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  SEINET4073000  Athysanus pusillus O. M. Clark 1929-1 1945 Riverside South Hemet, southern California. Comment
  UC1417534  Atrichoseris platyphylla J. L. Strother 1973-3-23 1155 Riverside route 195 east of Mecca Comment
  UCSB9759  Atrichoseris platyphylla Haller, John 1960-4-2 Riverside Lower slopes of Orocopia Mtns., 1.5 mi. S of the junc. of U.S. highway 60-70 and the S entrance road to Joshua Tree Natl. Mon. 609 Comment
  POM187873  Atriplex argentea E. C. Jaeger 1932-8-31 s.n. Riverside Between Lakeview and San Jacinto Comment
  UCR228401  Atriplex canescens var. canescens Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-3-31 117 Riverside Transverse Ranges; San Bernardino Mountains, Pacific Crest Trail. W of Whitewater Canyon. N of jct of I-10 and Rte 111 740 Comment
  RSA452444  Atriplex canescens var. linearis F. R. Fosberg 1940-10-4 S- 4102 Riverside Indian Wells, Coachella Valley Comment
  SD240965  Atriplex canescens var. macilenta Dave Silverman 2010-3-24 7828 Riverside South Palen Lake, Chuckwalla Valley, 4.5 km SE of Sidewinder Well, 2.3 km SW of Palen Dunes Drive, and 4.2 km N of Interstate 10. 128 Comment
  RSA0092691  Atriplex coronata var. notatior D. E. Bramlet, Michelle Balk, R. E. Riefner Jr. 2006-4-3 3924 Riverside Perris-Aguanga Basin Region; San Jacinto Valley: west Hemet area, north of Stetson Ave. and east of the EMWD canal. 456 Comment
  RSA520929  Atriplex coronata var. notatior D. E. Bramlet 1990-7-20 2054 Riverside California Dept. of Fish and Game, San Jacinto Wildlife Area. Populations are found just west of the old San Jacinto river channel and adjacent to the first waterfowl pond. 476 Comment
  SD130238  Atriplex coronata var. notatior George Ruffner 1990-5-2 Riverside San Jacinto Wildlife Area, east of Davis Road, vicinity of duck ponds on west edge of playa of Lake San Jacinto. Comment
  UCR24121  Atriplex coronata var. notatior John C. Roos 1965-6-30 s.n. Riverside Perris-Aguanga Basin region, Perris Comment
  RSA550498  Atriplex coulteri D. E. Bramlet 1991-4-29 2079 Riverside 6.5 km west of Hemet and some 350m south of Florida and 550m west of Warren. The population is some 50m east of MWD canal. 500 Comment
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Feb 3 2015
  UCR103477  Atriplex davidsonii D. E. Bramlet 1995-6-8 2440 Riverside San Jacinto Valley, San Jacinto Wildlife Area, Lovell Unit. The site is located 1.22 km east of Davis Road and 168m south of the existing access road. the site is 549m north of San Jacinto River Channel 435 Comment
  UCR68039  Atriplex davidsonii D. E. Bramlet 1991-5-2 3012 Riverside San Jacinto Valley, 20m south of Setson Road at the intersection of Setson Road and California Avenue; c. 200m west of the MWD canal. Comment
  SD240966  Atriplex elegans var. elegans A. C. Sanders, John F. Green 2012-6-25 40307 Riverside Peninsular Range: Santa Ana Mountains Region: Temescal Canyon near I-15 crossing of Temescal Canyon Road and Temescal Creek, c. 2.6 km SW of Lee (Corona) Lake (Alberhill 7.5'Q) 360 Comment
  LA204679  Atriplex hymenelytra Miss Halflaud; March 1925 6484 Riverside Palm Springs Comment
  POM278762  Atriplex lentiformis Grant D. Brown 1950-3-4 485 Riverside Approximately 10 miles N of Blythe on hyway #95 near water intake plant. 91 Comment
  SEINET4135543  Atriplex polycarpa David Charlton 1988-2-19 1200 Riverside Orocopia Mountains. Mudstone wash N of Mecca Hills, Box Canyon on road from Cottonwood Wash to Mecca.; 0 762 Comment
  UCR92294  Atriplex semibaccata Scott D. White, S. Ogg 1994-10-17 2457 Riverside Temecula Valley, Murrieta Creek at Winchester Road bridge (Banana Avenue) 317 Comment
  SD234361  Atriplex serenana var. serenana R. E. Jr. Riefner 2006-8-13 06 394 Riverside Perris-Aguanga Basin: SW of Perris along Hwy 74 at Good Hope, NE of Betty Rd. 470 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
  RSA522086  Atriplex suberecta Steve Boyd, Timothy S. Ross, K. A. Boyd 1989-6-24 3752 Riverside Vail Lake area, near summit of 'Little Oak' Mtn. along road. 627 Comment
  IRVC5339  Avena barbata Gidon Ladizinsky 1971-5-19 s.n. Riverside University of California, Riverside Comment
  SEINET14287513  Avena fatua N. C. Cooper 1944-5-6 1218 Riverside Banning. 701 Comment
  UCR158254  Avena fatua A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30114 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  CAS-BOT-BC213218  Ayenia compacta Edmund C. Jaeger 1922-10-15 s.n. Riverside Tacquitz Canyon, Palm Springs Comment
  CAS-BOT-BC98784  Baccharis brachyphylla Carl B. Wolf 1932-10-11 4275 Riverside Morongo Wash, 3/10 mi. below the San Bernardino Co. line. 670 Comment
  RSA736238  Baccharis emoryi Scott D. White, Jonathan Campbell 2008-4-18 11900 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. 'Morgan' Property, Alberhill area. 274 Comment
  CDA23778  Baccharis pilularis Mike Lahti 2008-10-21 PDR# 1509236 Riverside Temecula, 46062 Vista Del Mar, X Los Gatos. 0 Comment
  UCR174146  Baccharis salicifolia A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32580 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
  SD37250  Baccharis salicina Darley F. Howe 1945-10-20 1354 Riverside Between Orange and Corona Comment
  POM173314  Baccharis sarothroides E. C. Jaeger 1929-02 s.n. Riverside Chuckwalla Mts Comment
  POM10252  Bahiopsis parishii Charlotte M. Wilder 1907-04 s.n. Riverside Andreas Canyon, near Palm Springs Comment
  CLARK-A1656-656  Baileya pauciradiata Lois Ann Scott 1978-2-3 Riverside Indio Hills 609 Comment
  JEPS20785  Baileya pauciradiata Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13232 Riverside 2.4 mi s of Rice (on road to Midland and Blythe) Comment
  RSA0014454  Baileya pauciradiata Justin M. Wood, J. Miner 2010-4-29 1527 Riverside Coachella Valley: Bermuda Dunes. Near intersection of Avenue 38 and Varner Rd. 37 Comment
  RSA669575  Baileya pleniradiata D. E. Harvey 1969-4-20 690420 -3 Riverside Juniper Flats at Stubbe Springs parking area. Joshua Tree National Monument. Comment
  UC1931074  Barbarea orthoceras Scott D. White, Justin Wood 2008-7-9 12426 Riverside San Jacinto Mountains: K Flat, from large pond downstream to meadow. Comment
  UCR275528  Bassia hyssopifolia A. C. Sanders, Karen Kirtland 2016-9-23 42627 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
  NY43490  Bebbia juncea C. R. Annable 1995-3-11 2266 Riverside Rest stop on I-10 Comment
  POM42384  Bebbia juncea Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  RSA117707  Bebbia juncea S. Carlquist 1958-3-30 426 Riverside Below summit of Morongo Pass, on Hwy from Palm Springs to Morongo Valley Comment
  RSA655089  Bebbia juncea Scott D. White 2000-4-17 7654 Riverside Menifee / Sun City Area: South of McColl Ave. and east of I-215 freeway. 442 Comment
  RSA696873  Bebbia juncea J. Russell Bruff 1927-11-26 32 Riverside Cottonwood Springs vicinity. Comment
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Oct 9 2010
  UCR199615  Bebbia juncea Scott D. White, Angelia Carey 2004-7-2 10563 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  CAS-BOT-BC100145  Bebbia juncea var. aspera P. Munz; L. Street 1919-5-7 2720 Riverside Tahquitz [Canon] Canyon Comment
  CLARK-A1528-2274  Berberis dictyota John C. Roos 1947-1-4 3197 Riverside Reche Canyon 487 Comment
  CLARK-A1528-2552  Beta vulgaris John C. Roos 1937-5-23 2059 Riverside La Sierra Comment
  CAS-BOT-BC100275  Blennosperma nanum var. nanum H. A. Zuill 1966-4-1 105 Riverside 2 1/2 - 3 miles WSW of Murrieta Comment
  SDSU11577  Bloomeria crocea Charles F. Phleger 1962-5-23 23 V62 Riverside Collected on land owned by the Schloss Foundation about 25 miles north of Escondido. Comment
  CAS-BOT-BC478939  Bloomeria crocea var. crocea E. A. McGregor 1941-6-12 27 Riverside Santa Rosa Mountain Comment
  RSA0106725  Boerhavia coulteri Duncan S. Bell 2011-9-30 2937 A Riverside Northeastern section of the Arica Mountains; northwest section of Rice Valley; approx. 2 air miles southwest of the ghost town of Rice. 234 Comment
  RSA339616  Boerhavia intermedia Robert F. Thorne, Gertrud Dahlgren, R. Dahlgren 1979-8-23 53604 Riverside Pinto Basin Road: Along road, 4.5 mi S of meeting area of Mojave and Colorado Deserts 1098 Comment
  RSA0093777  Boerhavia triquetra Duncan S. Bell 2015-9-30 8677 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  UCD170133  Boerhavia triquetra var. intermedia A. C. Sanders 1989-9-19 9511 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, 1.75 km (airline) south of Tabaseca Tank, along the wash above 'Tabaseca Target. 680 Comment
  UCR281567  Bolboschoenus maritimus subsp. paludosus Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-5-30 517- 122 Riverside Elsinore Trough, Lake Elsinore, E side Baker St., about 0.5 miles SE of Pierce St. 677 Comment
  RSA450460  Bouteloua aristidoides J. C. Roos 1946-9-14 3026 Riverside Pinyon Flats, Santa Rosa Mountains. 1220 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
  SEINET3920224  Bouteloua aristidoides N. Duane Atwood 1991-9-9 17077 Riverside 4.8 miles west of Chirachoa Summit along I-10.; 0 Comment
  UCR260604  Bowlesia incana A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-1 41542 Riverside Peninsular Range, Eastern Foot of Santa Ana Mtns., Temescal Canyon, south side of Indian Truck Trail along Temescal Canyon Road 349 Comment
  HSC25953  Brandegea bigelovii R. W. Spjut 1972-1-6 2109 Riverside Colorado Desert, 8 mi. N on Eagle Mtn. Rd. from Jct. of Hwy. 10 305 Comment
  RSA27213  Brandegea bigelovii C. L. Hitchcock 1940-3-31 5894 Riverside Between Cottonwood Spring and Pinto Basin. Comment
  RSA394251  Brandegea bigelovii A. Menke 1955-4-27 s.n. Riverside 33 miles E of Desert Center. Comment
  RSA789361  Brandegea bigelovii Aaron C. Sedgwick, David Fraker 2012-3-28 35 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  UC50321  Brassica rapa H. M. Hall 1903-4-1 3816 Riverside vicinity of Riverside; Southern California 304 Comment
  UC56981  Brassica rapa H. M. Hall 1902-4-1 2959 Riverside vicinity of Riverside; Southern California 243 Comment
  JOTR32168  Brassica tournefortii La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2320 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Large sandy canyon with braided wash that feeds southwest into Wilson Canyon (Stop 7) 902 Comment
  RSA0043365  Brassica tournefortii Marc A. Baker, Amy Robinson, Chris Hackbarth, Michelle Cloud-Hughes 2013-3-19 17706 Riverside Palo Verde Mesa, 14 km SW of Blythe, 6 km ENE of north end of the Mule Mountains. 118 Comment
  RSA339319  Brassica tournefortii R. F. Thorne, W. A. Tilforth 1980-5-28 54198 Riverside Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  UCR104854  Brassica tournefortii George K. Helmkamp, E. A. Helmkamp 1998-2-18 2723 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi south of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  UCR120944  Brassica tournefortii A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24916 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  JOTR34406  Brickellia desertorum La Doux, Tasha, M. Harding, B. Truesdell, D. Shade 2012-9-25 3093 Riverside Joshua Tree National Park. Cottonwood Mountains; Cottonwood Spring area 902 Comment
  OBI40181  Brickellia desertorum N. Miles Fellows 1984-11-12 27 Riverside Oasis de Los Osos Preserve, off Snow Crk Cyn at N foot of the San Jacinto Mts, 1 mi W of Snow Crk Village. T3S, R3E, S1/2 sec 20 488 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
  UC3326  Brodiaea terrestris subsp. kernensis H. M. Hall June, 1901 2093 Riverside meadows in vicinity Strawberry Valley; San Jacinto Mountains 1402 Comment
  UCR16042  Brodiaea terrestris subsp. kernensis S. Riddell 1973-5-17 730517- 01 Riverside 8 mi west of Perris on Hwy 74 457 Comment
  POM259162  Bromus ciliatus var. ciliatus P. A. Munz 1938-8-14 15356 Riverside Virgin Spring, Santa Rosa Peak. 2287 Comment
  UCSB501  Bromus diandrus Van Leeuwen, Henry 1957-4-13 Riverside Whitewater Canyon, 3 mi from US 60 Comment
  RSA701398  Bromus diandrus Steve Boyd, Aydee Virgen 2004-4-13 10863 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UCR241251  Bromus hordeaceus T. B. Salvato, Tracy Tennant 1998-4-16 MOR- 1207 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
  RSA201604  Bromus hordeaceus subsp. molliformis E. W. Lathrop 1964-5-24 5387 Riverside 8 miles west of Murrieta Comment
  RSA0042632  Bromus madritensis Paul Shirokawa 1998-5-15 45 Riverside Cleveland National Forest; Trabuco Ranger District, 0.3 miles from Ortega Highway (State Highway 74) on North Main Divide Road. 807 Comment
  RSA774498  Bromus rubens Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4420 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell., Between N33.94217, W116.64118 and N33.94722 W116.64306 487 Comment
  RSA716814  Bromus sterilis T. B. Salvato, Kent Beaman 2005-5-16 874 Riverside San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy 74. 549 Comment
  UCR126487  Bromus tectorum Scott D. White 1995-3-30 2629 .1 Riverside San Jacinto Valley, Just west of Box Springs Blvd, east of Sycamore Canyon Park 457 Comment
  RSA0019727  Bromus tectorum F. M. Reed 1933-5-31 7923 Riverside Santa Rosa Mountains: desert slope, Santa Rosa Indian Reservation, near the bridge on the Palmes to Pines Highway. 823 Comment
  UC816450  Bromus trinii C. L. Hitchcock 1940-4-2 5924 Riverside Joshua Tree National Monument, Cotttonwood Spring wash Joshua Tree National Monument; , Cotttonwood Spring wash Comment
  UCR214137  Bromus trinii A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37717 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, 0.45 mi NNE (14 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 418 Comment
  UCR2263  Bromus trinii F. M. Reed 1907-4-7 1274 Riverside Streambed at foot of Box Springs Mountain Comment
  CLARK-A1528-4564  Bromus unioloides Alfred R. Roos 1937-11-13 Riverside Riverside 243 Comment
  UCR211702  Caesalpinia gilliesii Fred M. Roberts, Kerry M. Byrne 2006-6-27 6346 Riverside Perris Basin, Hemet, just south of Florida Ave. and east of California Ave, 2.2 km northwest of the west end of Hemet Ryan Airport runway 463 Comment
  GMDRC3556  Caesalpinia virgata J. Andre, T. La Doux 2009-2-28 10842 Riverside Coachella Valley: along lower Berdoo Cyn Rd just S. of JTNP boundary, approx 1.5 mi. N. of Dillon Rd. USGS 7.5 min. Quad: West Berdoo Canyon 33 deg. 48.718' N 116 deg. 10.322' W. Elev. 1027 ft. 313 Comment
  UCR250914  Calandrinia ciliata A. C. Sanders 2014-4-18 41031 Riverside Peninsular Range, Temescal Canyon, along De Palma Rd. between Indian Truck Trail and Horsethief Canyon roads, SE of Lee (Corona) Lake 375 Comment
  CAS-BOT-BC167297  California macrophylla H. M. Hall 1897-5-4 s.n. Riverside Alice Mine Comment
  UCR48169  Callitriche longipedunculata R. F. Thorne 1973-5-23 45530 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  SD68962  Callitriche marginata Robert F. Thorne, E. Lathrop and P. Munz 1968-5-8 37574 Riverside Santa Rosa Plateau; wet mud at margin of vernal marsh on Mesa de Colorado, Rancho California. 669 Comment
  CAS-BOT-BC85770  Calocedrus decurrens Winifern W. Swarth 1914-9-8 s.n. Riverside Strawberry Valley, San Jacinto Mts. 1828 Comment
  RSA297384  Calocedrus decurrens Larry E. DeBuhr 1972-2-25 500 Riverside Santa Rosa Mts. San Bernardino National Forest; along forest road 7S02; above Cedar Springs. 2346 Comment
  RSA58892  Calochortus concolor Philip A. Munz, Percy C. Everett 1950-6-23 14907 Riverside 2 miles NW of Pipe Creek, Hemet Valley, San Jacinto Mountains. 1402 Comment
  UCR201622  Calochortus concolor Scott D. White, Justin M. Wood 2008-6-16 12129 Riverside San Jacinto Mountains, Fobes Ranch Road north of Quinn Flat 1463 Comment
  RSA593785  Calochortus palmeri var. munzii Jeri Hirshberg 1995-5-19 280 Riverside San Jacinto Mountains, Garner Valley, north of Morris Creek. Comment
  POM1704  Calochortus splendens Jenkins, L. T. Street 1917-5-30 1953 Riverside San Jacinto Canyon. Comment
  UCR21917  Calochortus splendens Steve Boyd 1980-5-8 213 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 625 Comment
  RSA688839  Calochortus weedii var. weedii Scott D. White, Michael Honer 2003-6-17 9549 Riverside Murrieta. Interstate 215 / Clinton Keith interchange. 457 Comment
  UC963812  Calycoseris parryi Helen K. Sharsmith 1952-4-10 4060 Riverside ca. 5 mi ne of, Joshua Tree National Monument Cottonwood Springs; Mojave Desert, Smoke Tree Wash 853 Comment
  RSA45510  Calycoseris wrightii J. C. Roos, L. Roos 1949-4-9 4209 Riverside 30 mi. N of Blythe, near Riverside Mts Comment
  UCD100286  Calyptridium monandrum Steve Boyd 1986-3-1 1359 Riverside Gavilan Plateau, Gavilan Hills. 1/4 mile south of Harford Springs County Park. 640 Comment
  SD208204  Calyptridium monospermum Michael G. Simpson, Jamie Hall, et al. 2007-6-16 2896 Riverside Little Taquitz Valley, San Jacinto Mountain, along trail, ca. 0.1 mile north of junction with Pacific Coast Trail, ca. 0.9 mile northeast of Tahquitz Peak. 2454 Comment
  SDSU17435  Calyptridium monospermum C. Matt Guilliams, Michael and Lori Simpson, Mike Silveira 2007-6-26 376 Riverside San Jacinto Wilderness State Park, on trail to summit ca. 1 km west of Round Valley. Population occurred on both sides of trail, in both disturbed and undisturded habitat. 2896 Comment
  UCD126080  Calystegia macrostegia B. Pitzer 1997-4-20 3200 Riverside Lakeview Mtns: Pulsar View Road, around 1.2 mi. up from the base of the hills (at end of Warren Road). Around 1 air mile north of Juniper Flats (Contour) Road. 549 Comment
  HSC6379  Calystegia macrostegia subsp. tenuifolia C. L. Hitchcock, C. V. Muhlick 1964-3-17 23108 Riverside 10 mi. N of Pala, along road to Elsinore. Comment
  RSA612487  Camissonia bistorta D. L. Banks 1997-2-23 1330 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  UCR3352  Camissonia bistorta T. R. Plumb 1964-4-23 s.n. Riverside Box Springs Mtns., Box Springs Mountain, 2 mi. SE of Dog Lady's house [old house near crest of range, c. 33 deg. 58' 53'N, 117 deg. 17' 28'W, along road from Pigeon Pass; later park ranger's house] on SE road fork 793 Comment
  UCR10926  Camissonia boothii John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, rocky canyon 2.5 miles SE of Desert Center 610 Comment
  RSA175081  Camissonia boothii subsp. condensata Robert F. Thorne 1963-3-29 32426 Riverside Colorado Desert, 12 miles ENE of Mecca. Comment
  SEINET3093066 Image available Camissonia brevipes P. Leary 1975-3-13 980 Riverside Joshua Tree National Monument: Pinto Wash southwest of Pinto Mountains 549 Comment
  UCR260830  Camissonia brevipes A. C. Sanders, Jim Malusa 2015-3-11 41399 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Gasline Road south of junction with road to Observation Point Slats, c. 3.9 miles south of the Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range 674 Comment
  RSA719271  Camissonia brevipes Michael Honer, L. Hulse 2004-4-3 1898 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. Peninsular Ranges, San Ysidro Mountains: W side of Otay Mtn; 1.5 km SSE of Savage Dam (Otay Lake); N of County Prison; near tributary to Otay River, N of O Neal Canyon. 610 Comment
  RSA466164  Camissonia californica N. C. Cooper 1944-5-6 1210 Riverside Whitewater Canyon. 457 Comment
  POM201060  Camissonia claviformis subsp. aurantiaca Carl B. Wolf 1932-5-25 3682 Riverside San Gorgonio Wash, on road to Snow Creek 366 Comment
  RSA135288  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-1-24 11470 Riverside Desert Canyon bottom on road to Cottonwood Springs 4.5 miles north of State Highway 195. Comment
  RSA457770  Camissonia claviformis subsp. aurantiaca Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, Tim S. Ross 1988-3-10 2115 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA700249  Camissonia confusa M. Wall, Sean Wall 2003-4-6 3099 Riverside San Jacinto Valley, vacant lot off Ramona Expressway at Donna Ave. adjacent to Soboba Health Clinic. Property for sale for commercial development. 506 Comment
  UCR103309  Camissonia confusa George K. Helmkamp 1998-4-4 3167 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
  RSA614531  Camissonia hirtella A. C. Sanders, P. Mackay, Tim C. Thomas, O. Clarke 1997-5-4 20635 Riverside UTM 10km cell: NH-1E, 4N. Vista Grande. 1067 Comment
  UCR121687  Camissonia ignota D. E. Bramlet 1991-5-9 2137 Riverside N Domenigoni Hills, c. 0.5 mi SE of the end of Warren Rd., on large, prominent peak adjacent to old quarry, east of access road 659 Comment
  UCR281240  Camissonia ignota Mitch Provance, Jeremiah George 2017-3-21 317- 60 Riverside Temescal Valley, S side of Highway I-15, 0.2 miles SSE of Glen Eden Rd. and De Palma Rd. 396 Comment
  UCR251347  Camissonia pallida S. J. Myers 2014-5-21 1068 Riverside Western Edge Sonoran (Colorado) Desert, Whitewater, along Whitewater River at I-10 407 Comment
  RSA465905  Camissonia pallida subsp. pallida M. B. Dunkle 1933-3-5 3073 Riverside Colorado Desert, Palm Springs. 91 Comment
  RSA480033  Camissonia refracta Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, Tim S. Ross 1988-3-10 2160 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  UCR148474  Camissonia refracta John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  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
  OBI2635  Camissoniopsis Dieter H. Wilken 1965-6-29 302 Riverside Along County Rte 1 about 3 mi S of Banning, San Jacinto Mts 914 Comment
  JOTR33730  Camissoniopsis pallida subsp. pallida La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2730 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy, braided ephemeral wash flowing northeast (Stop 2) Comment
  UCR166102  Camissoniopsis pallida subsp. pallida A. C. Sanders, G. Nuhn 1995-4-20 16578 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
  CLARK-A1528-2300  Capsella bursa-pastoris John C. Roos 1966-3-24 Riverside Hemet Comment
  RSA614419  Capsella bursa-pastoris D. L. Banks 1997-3-16 1552 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound. 567 Comment
  UCR194821  Carduus pycnocephalus Scott D. White 2006-5-19 11478 Riverside Perris Basin/San Jacinto Mtn Foothills, [Santa Rosa Hills, c. 2 miles south of Hemet, c. 1 mile east of State St., vicinity of Hemet Butte and Gibbel Road] 610 Comment
  UCR26907  Carex athrostachya A. C. Sanders 1980-7-18 1682 Riverside San Jacinto Mtns, Thomas Mountain; along a small dry creek in Spillway Canyon about 2 mi SW of Hwy 74 along Thomas Mountain Road 1463 Comment
  CAS-BOT-BC20600  Carex douglasii Philip Alexander Munz 1938-8-13 15331 Riverside Santa Rosa Peak. 2316 Comment
  SEINET4557247  Carex praegracilis D. E. Bramlet, P. Jacks, S. Goode 1989-1 1796 Riverside Perris-Aguanga Basin Region: Shipley Multi-species Reserve. Blue-line stream on the eastern flank of Bachelor Mtn., 700 ft north of the existing access road & 3,600 ft. W of Rawson Canyon.(Bachelor Mountain 7.5') 469 Comment
  UC837147  Carex sartwelliana I. W. Clokey, E. G. Anderson 1935-8-21 6563 Riverside Fuller's Creek 1500 Comment
  UCR128309  Carex senta Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8642 Riverside San Jacinto Mtns, Idyllwild area; 'Strawberry Fuelbreak' between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek 1646 Comment
  RSA49572  Carex senta Phillip A. Munz 1924-7-27 8786 Riverside Dark Canyon, San Jacinto Mountains. 1616 Comment
  CLARK-A1528-1691  Carthamus tinctorius John C. Roos 1965-7-7 Riverside Beaumont Comment
  SD186247  Carya illinoinensis A. C. Sanders, T. B. Salvato 2003-5-6 26558 Riverside Riverside, west edge of the UCR campus, lower drainage of Big Springs Canyon. 320 Comment
  JEPS46520  Castela emoryi E. E. Schellenger May 1920 Riverside Hayfields e Mecca (Colorado Desert); , Hayfields e of Mecca Comment
  SEINET3074273 Image available Castela emoryi A. C. Sanders, D. Charlton, B. Pitzer 1986-3-1 6041 Riverside Hayfield Lake, NW end of the lake ca. 0.5 miles SW of the pumping station. 410 Comment
  RSA132827  Castilleja angustifolia Peter H. Raven 1958-5-5 12893 Riverside To the west of Split Rock Tank, Joshua Tree National Monument. Comment
  RSA0010921  Castilleja densiflora subsp. gracilis F. W. Peirson 1930-5-10 8776 Riverside Summit St John's Grade. 762 Comment
  SEINET7063463  Castilleja exserta A. G. Vestal 1947-3-31 s.n. Riverside About 2.3 miles north of Lake Elsinore off present I 15. UTM Zone 11, 467263mE, 3929340mN. (WGS84/NAD83). 396 Comment
  UCR162414  Castilleja exserta S. J. Myers, Chet McGaugh 2003-4-7 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  SD90187  Castilleja exserta subsp. exserta Benjamin C. Stone April 1952 41 Riverside near Temecula 305 Comment
  UC68759  Castilleja exserta subsp. exserta H. M. Hall Apr 1905 5761 Riverside Palm Springs; Colorado Desert 152 Comment
  UCR138912  Castilleja exserta subsp. exserta Julie A. Greene 1993-4-10 1175 Riverside San Jacinto Valley, San Jacinto Wildlife Area. Drainage south of Duck Club Rd., and east of Davis Road 436 Comment
  UCSB6125  Castilleja exserta subsp. exserta Walker, Clifford 1954-4-10 Riverside East slope of arroyo; near head of White Water Canyon Comment
  UCR15990  Castilleja foliolosa Sue Freeman 1966-4-30 s.n. Riverside Peninsular Range; San Jacinto Mtns., 10 mi west of Banning on Banning-Idyllwild Road 610 Comment
  UCR77752  Caucalis microcarpa Steve Boyd, D. Bramlet 1991-5-13 6247 Riverside Domenigoni Hills, north side Domenigoni/Diamond Valley, ESE of Winchester. Vicinity of ultramafic outcrop on ridgetop south of S-end of Warren Rd. 610 Comment
  UC1608299  Caulanthus heterophyllus Steve Boyd, Tim Ross, and Orlando Mistretta 1992-3-31 6749 Riverside Morgan Trail from Round Potrero w to jtn with Tenaja Tr in N-fork Bear Creek (San Mateo Cyn Wilderness Area); Santa Ana Mountains, San Mateo Cyn Wilderness Area 670 Comment
  UCR121199  Caulanthus heterophyllus D. E. Bramlet 1991-5-10 2147 Riverside Perris-Aguanga basin region, North Domenigoni Hills, saddle between large peak in NW/4 of Sec. 31 & the 2071 ft. ridgeline to the west 567 Comment
  UCR68471  Caulanthus lasiophyllus var. rigidus Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4115 Riverside Peninsular Range, Vail Lake Area, E flank of Oak Mtn, just south of E summit. 701 Comment
  CAS-BOT-BC133205  Ceanothus crassifolius A. C. Sanders; T. B. Salvato; Matthew Malle; Jonas Winbolt; Katie A. Kurtz 2010-4-7 37812 Riverside Peninsular Range: southeastern Gavilan Hills north of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi. NW (356 deg. ) of intersection of I-15 and Lake St. 549 Comment
  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
  RSA606739  Ceanothus crassifolius Jon E. Keeley 1996-5-13 27421 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
  SD262944  Ceanothus crassifolius Susan T Welker 1993-2-22 Riverside West of Temecula. Along Rancho California Rd., approx 2 mi. from Temecula Valley 398 Comment
  UCD111431  Ceanothus crassifolius R. N. Raynor 1941-7-28 s.n. Riverside Highway 71 between Temecula and Aguanga, southern border of county. Comment
  RSA0067949  Ceanothus cuneatus John F. Emmel 1994-4-17 1294 Riverside San Jacinto Mtns.; canyon 0.7-0.8 air mile ESE of Keen Camp Summit, north of Lake Hemet. 1387 Comment
  RSA0019587  Ceanothus cuneatus var. cuneatus Diane M. Ramirez 1983-5-1 16 Riverside Poppet Flat Divide Truck Trail, 1 1/2 mi S of junction with CA Hwy 243, S of Banning. Comment
  RSA161087  Ceanothus greggii var. perplexans Peter H. Raven 1958-5-17 12959 Riverside along road to Banning 6.1 miles northwest of Lake Fulmor, San Jacinto Mountains. Comment
  JEPS42322  Ceanothus leucodermis W. L. Jepson 1903-8-5 2263 Riverside Strawberry Valley San Jacinto Mt. 1676 Comment
  RSA736543  Ceanothus leucodermis Scott D. White, Angelia Carey 2004-7-2 10590 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  SD42463  Ceanothus leucodermis Carl B. Wolf 1941-8-12 11143 Riverside San Jacinto Mts. 1.6 Mi S. Idylwild on Rd. to Tahquitz Lodge [= Keen Camp, says Andy Sanders] 1524 Comment
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Sep 18 2011
  SJSU15171  Ceanothus ophiochilus Steve Boyd, Tim Ross & Laurel Arnseth 1989-3-31 3097 Riverside Vail Lake area 1 mi W of Lake 624 Comment
  UCR102817  Ceanothus tomentosus subsp. olivaceus A. C. Sanders 1997-3-19 20060 Riverside Lake Skinner area, upper Rawson Canyon, west of Black Mountain, along the road from Lake Skinner 549 Comment
  SBBG124425  Ceanothus velutinus S. D. White with J. M. Wood 2009-5-21 12866 Riverside 0.5 mi NW of Morris Ranch Rd (Kenworthy Ranger Station), Garner Valley 1372 Comment
  RSA618393  Centaurea melitensis Darin L. Banks 1997-5-5 1970 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., East of where the road crosses to the southern bank of the south fork of Pechanga Creek. 427 Comment
  UCR201432  Centaurea melitensis Scott D. White, Justin M. Wood 2008-6-17 12174 Riverside San Jacinto Mountains, Garner Valley, USFS Kenworthy Station 1402 Comment
  UCR93835  Centaurea melitensis G. R. Ballmer, K. T. Stockwell 1995-6-8 s.n. Riverside Peninsular Range, Warm Springs Creek, Budweiser Ranch, 0.25-1 mi upstream of Los Alamos Road crossing 457 Comment
  UC22695  Centaurium venustum Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  CAS-BOT-BC248870  Centromadia pungens subsp. laevis Jeremiah George 2012-7-9 s.n. Riverside San Timoteo Canyon, west side of San Timoteo Canyon Rd., NE corner of Fisherman's Retreat Lake 597 Comment
  RSA767268  Centromadia pungens subsp. laevis Scott D. White 2009-8-10 13351 Riverside Temescal Valley: City of Temecula, West bank of Murrieta Creek, from Rancho Califonria Rd to Cherry St. 306 Comment
  UCR266368  Centromadia pungens subsp. laevis D. E. Bramlet 2005-6-28 3887 Riverside Temecula, just west of Cherry St. and Adams Ave., near confluence of Warm Springs Creek and Santa Gertrudis Creek 316 Comment
  RSA1787  Cercocarpus betuloides Carl B. Wolf 1931-5-11 s.n. Riverside Near Pipe Creek, above Hemet Valley, San Jacinto Mountains. 1677 Comment
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Mar 24 2011
  RSA44868  Cercocarpus betuloides J. C. Roos 1948-5-15 3854 Riverside Upper Lost Palms Canyon, Eagle Mountains. Comment
  SDSU13940  Cercocarpus minutiflorus Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2151 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, northern end of northern most (narrow) deer grass meadow. 646 Comment
  SEINET7062960  Chaenactis artemisiifolia A. G. Vestal 1947-6-13 s.n. Riverside About 5.2 miles northeast of De Luz in Sandia Canyon. UTM Zone 11, 476282mE, 3705489mN. (WGS84/NAD83). 263 Comment
  UC1424842  Chaenactis artemisiifolia E. W. Lathrop 1968-6-2 6956 Riverside trail between El Carriso and San Mateo Canyon (main divide truck); Santa Ana Mountains, Cleveland Nat'l Forest 1219 Comment
  UCR78445  Chaenactis artemisiifolia Scott D. White 1993-4-22 1247 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 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
  POM66298  Chaenactis carphoclinia var. carphoclinia Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  UCD81588  Chaenactis carphoclinia var. carphoclinia Chuck Hughes 2009-3-27 69 Riverside S of Hwy 62 near the abandoned Desert Center Airport. Near Rice, CA. 227 Comment
  UCR72459  Chaenactis carphoclinia var. carphoclinia Theo Glenn 1991-5-15 91- 42 Riverside Sonoran (Colorado) Desert, Little Maria Mountains, NW of Blythe 351 Comment
  CAS-BOT-BC276919  Chaenactis fremontii S. B. Parish; W. F. Parish 1882-4-1 343 Riverside Borders of the Colorado Desert, Whitewater Comment
  RSA34531  Chaenactis fremontii N. C. Cooper 1944-4-8 1046 Riverside Andreas Canyon 457 Comment
  RSA731077  Chaenactis fremontii Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10462 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  RSA773044  Chaenactis fremontii Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5037 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66013 750 Comment
  RSA80990  Chaenactis fremontii G. R. Campbell 1952-4-5 18376 Riverside Colorado Desert, road leading from Highway 60 to 29 Palms [Hwy 62], at junction to Desert Hot Springs 762 Comment
  UCR87661  Chaenactis fremontii A. C. Sanders 1994-5-29 14563 Riverside San Bernardino Mtns, Millard Canyon, at stream crossing just below site of Millard Station on Forest Service Road 2S05 1100 Comment
  UCSB9972  Chaenactis fremontii Koran, Jr., John 1958-4-15 Riverside 2.8 miles W. of Hwy. 111, on Hwy. 74 just outside of Palm Springs Comment
  SEINET273069 Image available Chaenactis glabriuscula A. C. Sanders, N. Ferguson 1994-6-2 14631 Riverside San Jacinto Mountains: Bautista Canyon ca. 1 mile above the forest service boundary 850 Comment
  UCR167056  Chaenactis glabriuscula Scott D. White, Jennifer H. Jones 2005-5-24 11097 Riverside Banning Pass area, Cabazon: San Gorgonio River wash and adjacent alluvial flats and benches to W 610 Comment
  POM123021  Chaenactis glabriuscula var. glabriuscula Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  UC55096  Chaenactis glabriuscula var. glabriuscula H. M. Hall 1903-4-1 3800 Riverside vicinity of Riverside 426 Comment
  CAS-BOT-BC284342  Chaenactis stevioides Annie M. Alexander; Louise Kellogg 1941-5-11 2149 Riverside 1.5 miles north of Cottonwood Spring, Eagle Mountains, Colorado Desert 975 Comment
  JOTR31225  Chaenactis stevioides La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 2009 Riverside Joshua Tree National Park. Eagle Mountains; (Stop 3) sand ramps 432 Comment
  JOTR33930  Chaenactis stevioides La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2820 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
  JOTR37509  Chaenactis stevioides Hodges, Stephen R. 2016-3-1 635 Riverside Joshua Tree National Park. Northern edge of the Eagle Mountains where they border the Pinto Basin. Approximately 3 kilometers west of Pinto Wells. Ascending up towards the ridge line on loose unconsolidated sand ramps Comment
  RSA0093770  Chamaesyce albomarginata Duncan S. Bell 2015-9-30 8685 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  RSA588663  Chamaesyce maculata D. L. Banks, S. D. Boyd 1995-10-17 0822 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest; Dripping Springs Campground, campsite #9. Disturbed area around the campsite and campground roadway. 488 Comment
  RSA592455  Chamaesyce micromera L. C. Wheeler 1966-10-15 8982 Riverside San Jacinto Mountains. By Black Hill, by Pines to Palms Highway. 976 Comment
  POM295994  Chamaesyce polycarpa Lyman Benson 1945-3-29 11647 Riverside 2 miles south of Whitewater. 366 Comment
  RSA689556  Chamaesyce polycarpa Scott D. White, Michael Honer 2003-4-25 9126 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  RSA775100  Chamaesyce polycarpa Duncan S. Bell, Michael Hee 2011-3-18 2053 Riverside Chuckwalla Mountains; north side of mountain range approximately 3 air miles southeast of Desert Center. 392 Comment
  RSA781804  Chamaesyce polycarpa Duncan S. Bell 2010-5-1 s.n. 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
  POM282536  Chamaesyce polycarpa var. hirtella N. Dunn, A. M. Martin 1932-3-26 s.n. Riverside Box canon [canyon]. Comment
  RSA599303  Chamaesyce setiloba L. C. Wheeler 1954-9-25 7096 Riverside South end of Mule Mountains, near Ripley. Comment
  UCR144101  Cheilanthes clevelandii Scott D. White 1998-2-7 6070 Riverside Agua Tibia Mtns, N boundary of USFS Agua Tibia Wilderness, c. 1 air mi south of the Hwy 79 junction with Woodchuck Road 640 Comment
  UCR151407  Cheilanthes clevelandii D. L. Banks 1997-3-1 1356 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Pechanga Creek, east of the'Fiesta Grounds' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation 427 Comment
  IRVC3127  Cheilanthes covillei R. H. Whittaker, W. A. Niering 1963-5-31 SJ 117 Riverside Elks Road. Peninsular Ranges, Santa Rosa Mountains 1280 Comment
  RSA543297  Cheilanthes newberryi Steve Boyd 1991-3-17 5514 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  RSA0000023  Cheilanthes parishii P. A. Munz 1921-12-31 4696 Riverside Andreas Canyon, Palm Springs. Comment
  UC669241  Cheilanthes parryi Annie M. Alexander and Louise Kellogg 1941-2-28 1875 a Riverside Andreas Canyon; San Jacinto Mts 335 Comment
  UCR18783  Cheilanthes parryi John C. Roos 1946-11-30 3168 Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns., north base 457 Comment
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May 21 2011
  SEINET10971572  Cheilanthes parryi David B. Dunn, Shogo; Harold L. Lint 1947-12-21 Dunn 3574 Riverside Fern leaves unfolded 2 weeks after the rain. Collected in the Indio Hills, W of the town of Indio in the Coachella Valley, Colorado desert. Comment
  POM253821  Cheilanthes viscida A. M. Alexander, Louise Kellogg 1941-4-24 2083 Riverside cliff side of canyon; gorge of Dry Morongo Creek. 640 Comment
  UCR242672  Chenopodium A. C. Sanders 2013-7-6 40837 Riverside Peninsular Range; San Jacinto Mountains, Idyllwild, SE part of town near Saunders Meadow, west end of Tahquitz View Dr. toward Crestview Dr. 1707 Comment
  RSA654967  Chenopodium berlandieri A. C. Sanders, D. Malueg, K. D. Jones, et al. 2000-9-8 s.n. Riverside Perris-Aguanga Basin Region: gasline right of way across Pinto and Hoopes Ranches, east of Briggs Road at and near Warm Springs Creek, S of Scott Rd. 415 Comment
  SDSU13670A  Chenopodium berlandieri var. sinuatum W. Miller, C. Mosse 1972-8-9 Riverside Comment
  POM319737  Chenopodium macrospermum var. farinosum Patricia Wilder 1970-10-15 4760 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills 152 Comment
  RSA0110603  Chenopodium missouriense Mitch Provance 2012-9-11 17623 Riverside Badlands of Western Riverside County: Beaumont, near N base of Mt. Davis, near Cooper's Creek (tributary of San Timoteo Creek), about 2000 ft, along dirt road extension of Risco Circle, S of W 4th St. 762 Comment
  UCR114326  Chenopodium missouriense Mitch Provance 2000-9-18 2265 Riverside Riverside, Prenda area, south side of Hermosa St., c. 0.25 mile west of the intersection with Washington St. 610 Comment
  UCR115137  Chenopodium missouriense Mitch Provance 2000-10-28 2272 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  UCR163665  Chilopsis linearis John F. Green 2005-10-26 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley; east of Salton Sea, along Coachella Canal, NW of Frink 24 Comment
  UCSB50619  Chilopsis linearis Millett, Barbara 1980-5-18 Riverside Corn Springs Wash, Corn Springs Road, 8 miles southwest of junction with Chuckwalla Road 457 Comment
  POM17773  Chilopsis linearis subsp. arcuata P. A. Munz, R. D. Harwood 1923-6-29 7304 Riverside Aguanga. Comment
  RSA114358  Chilopsis linearis subsp. arcuata P. C. Everett, E. K. Balls 1956-5-2 21560 Riverside 3.1 mi. n. from jct. with Hwy. 60/70 along rd. to Lost Palms Canyon, sw Eagle Mts. 716 Comment
  RSA496748  Chorizanthe brevicornu A. C. Sanders 1988-5-11 7805 Riverside Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal in a wash E of the gasline road from Niland. 549 Comment
  RSA796015  Chorizanthe brevicornu Duncan S. Bell 2009-4-18 249 Riverside Arica Mountains: southeast side of range, approximately 1.7 air miles west of Priests Well. 463 Comment
  SD227877  Chorizanthe brevicornu Scott D. White, Pam Devries 1998-2-9 6078 Riverside La Quinta / Palm Desert area: Whitewater River Channel at and near Miles Ave. crossing. USGS La Quinta 7.5' quad. 17 Comment
  RSA718829  Chorizanthe brevicornu Michael Honer, L. Hulse 2004-4-3 1922 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. Peninsular Ranges, San Ysidro Mountains: W side of Otay Mtn; 1.5 km SSE of Savage Dam (Otay Lake); N of County Prison; near tributary to Otay River, N of O'Neal Canyon. 610 Comment
  RSA752219  Chorizanthe brevicornu var. brevicornu Scott D. White, Justin M. Wood, Paul Kielhold 2009-4-21 12583 Riverside San Bernardino Mountains: Ridgeline E of Whitewater Canyon, +/- 2 miles N of town of White Water (Interstate 10), near Super Creek Quarry. 640 Comment
  SBBG1394  Chorizanthe brevicornu var. brevicornu C. H. Muller 1952-4-6 9504 Riverside 2 mi E of Shavers Summit, E of S gate to Joshua Tree Nat Monument Comment
  UCR87638  Chorizanthe coriacea A. C. Sanders 1994-5-29 14545 Riverside San Bernardino Mtns, Morongo Indian Reservation, low pass between Millard Canyon and Potrero Creek 793 Comment
  JEPS57630  Chorizanthe corrugata W. L. Jepson 1927-4-12 11667 Riverside Painted Canyon, Mecca Hills. Comment
  SD212684  Chorizanthe fimbriata Chris E. True, Robert Cox 2005-6-16 Riverside San Jacinto Mountains Foothills; along Highway 74 at milepost 48, across from Cranston US Forest Service Station, 3 miles east of Fairview Avenue, north of highway and south of San Jacinto River, near mouth of Bee Canyon 609 Comment
  UCR48532  Chorizanthe leptoceras Steve Boyd 1986-4-19 1692 Riverside Peninsular Range, Temescal Canyon, east side of Indian wash between I-15 and Temescal Canyon Road 351 Comment
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Jul 13 2015
  UCR55655  Chorizanthe leptoceras L. F. LaPre 1988-6-3 s.n. Riverside Peninsular Range, Indian Truck trail, sandy bench south of wash which crosses under de Palm Road (= frontage road to Hwy I-150, near Glen Eden Resort 366 Comment
  RSA715321  Chorizanthe leptotheca Chris E. True, Robert Cox 2005-6-16 s.n. Riverside Along Hwy 74 at milepost 48, across from Cranston US Forest Service Station, 3 miles east of Fairview Ave., norht of highway and south of San Jacinto River, near mouth of Bee Canyon. 610 Comment
  UCR205450  Chorizanthe leptotheca Diane Menuz 2008-6-19 465 Riverside Peninsular Ranges: San Jacinto Mts, Garner Valley; c 0.3 mi east of Hwy 74, north of Morris Ranch Rd 1374 Comment
  RSA487196  Chorizanthe parryi var. parryi James L. Reveal 1988-5-23 6867 Riverside Along California Hwy 75 [74] at milepost 48, 3 miles E of Fairview Avenue in Valle Vista, N of the Hwy and south of the San Jacinto River. 610 Comment
  RSA700060  Chorizanthe parryi var. parryi Scott D. White, Michael Honer 2003-4-25 9090 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. 610 Comment
  SBBG34231  Chorizanthe parryi var. parryi T. L. Secrest 1951-5-20 Riverside San Jacinto Mtns Comment
  UCR78332  Chorizanthe polygonoides subsp. longispina D. E. Bramlet 1993-4-26 2334 Riverside Peninsular Range, Temecula, c. 4 km south of intersection of Pauba Rd & Butterfield Stage Rd, 46-300 m west of Butterfield Stage Rd. 372 Comment
  UCR156476  Chorizanthe polygonoides var. longispina Jason L. Hlebakos 2005-5-3 617 Riverside Santa Ana Mtns, Open slope east and downslope from Elsinore Peak 1049 Comment
  UCR217540  Chorizanthe polygonoides var. longispina Diane Menuz 2008-3-24 376 Riverside Perris-Hemet Basin, East of Briggs Rd,. c. 1 km south of Scott Rd. 432 Comment
  UCR241382  Chorizanthe polygonoides var. longispina T. B. Salvato, Mike Landers 2013-3-21 7383 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
  UCR250562  Chorizanthe polygonoides var. longispina A. C. Sanders 2014-4-18 41026 Riverside Peninsular Range, Temescal Canyon, hills along De Palma Rd. between Indian Truck Trail and Horsethief Canyon roads, c. 100 m south of I-15 401 Comment
  SD138826  Chorizanthe procumbens Craig Reiser 1993-3-29 Riverside North of Lewis Valley Road and east of Sage Road Comment
  JEPS57750  Chorizanthe staticoides Marjorie D. Clary 1932-7-3 991 Riverside Hurkey Creek Hemet Valley, Hurkey Creek 1371 Comment
  UCR65283  Chorizanthe staticoides Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3864 Riverside Peninsular Range, Vail Lake area, cinder cone ridge at north side of mouth of Temecula Creek Canyon and adjacent benches on S flank of 'Big' Oak Mtn. 549 Comment
  LA206563  Chorizanthe xanti Carl Epling; William Robison 1933-6-24 Riverside Little San Bernardino Mountains, San Gorgonio Wash Comment
  UCR209521  Chorizanthe xanti subsp. leucotheca Robert J. Steers, Stan C. Spencer, Matt Willis 2009-6-1 s.n. Riverside San Gorgonio Pass, near the town of Cabazon, west side of the San Gorgonio River on the Morongo Indian Reservation, c. 0.2 mi. WSW of the corner of Dailey Rd. and Sullivan Rd. 675 Comment
  POM97997  Chorizanthe xanti var. leucotheca E. C. Jaeger 1926-4-15 s.n. Riverside Mission Creek Wash Comment
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Nov 5 2011
  SD138825  Chorizanthe xanti var. leucotheca Craig Reiser 1993-5-17 Riverside Cajon Pass near freeway and Highway 138 turnoff Comment
  RSA0025897  Chylismia brevipes subsp. brevipes Jim Andre 2013-3-4 23869 Riverside Riverside Mountains; east side of range, along rocky dirt road to historic mine area, 0.8 miles west of Hwy 95, approx 12 miles south of Vidal Junction. 127 Comment
  UC218061  Chylismia brevipes subsp. brevipes P. A. Munz, D. Keck Apr 9 1922-Apr 12 1922 4894 Riverside vicinity of Corn Springs Colorado Desert, Chuckwalla Mountains 609 Comment
  UC1334735  Chylismia cardiophylla subsp. cardiophylla C. W. Tilforth 1967-2-12 110 Riverside side canyon off Painted Canyon (e of Mecca); Colorado Desert 0 Comment
  JEPS23483  Chylismia claviformis subsp. aurantiaca Marjorie D. Clary 1933-2-26 2060 Riverside Aqueduct Rd North Colorado Desert 243 Comment
  SBBG28551  Chylismia claviformis subsp. aurantiaca D. Myrick 1964-4-30 817 Riverside Pines to Palms Hwy 74, 12 mi W of Palm Desert 1066 Comment
  SD44540  Chylismia claviformis subsp. aurantiaca J. B. Marks Jul 1948 Riverside Roadside above Banning. 1067 Comment
  CAS-BOT-BC162783  Chylismia claviformis subsp. claviformis Larson; Beley 1975-4-24 74 -671 Riverside ~5 mi. N. Palm Springs, near inter. of Varner Rd. and T/C access. Comment
  UCD130580  Cirsium occidentale var. coulteri E. W. Lathrop 1966-4-27 6210 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1219 Comment
  SEINET3005050  Cistanthe ambigua G. Rink 2011-4-27 10487 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe 109 Comment
  RSA0013348  Cistanthe monandra C. P. Cowan 1978-4-23 1181 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. 570 Comment
  RSA221049  Clarkia bottae E. W. Lathrop 1966-5-17 6543 Riverside 4 mi. W of Corona, between Tin Mine Canyon and Santiago Peak. 610 Comment
  RSA162768  Clarkia dudleyana J. D. Olmsted 1959-4-30 510 Riverside Spring Trail at Beacon Pines Ranch; 9 miles SW of Corona; Mt. Range: Santa Ana Mts; Drainage area: to Santa Ana River. Comment
  RSA736701  Clarkia dudleyana Scott D. White 2004-4-26 10248 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. 518 Comment
  SD247464  Clarkia dudleyana Kate Kramer 2012-5-25 262 Riverside Along Highway 243: between Mt. Edna Road and Vista Grande fire station. 1387 Comment
  UCR166147  Clarkia dudleyana T. B. Salvato, John F. Green 2004-5-27 567 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  RSA263698  Clarkia epilobioides E. W. Lathrop 1969-5-8 7009 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  RSA525336  Clarkia epilobioides Steve Boyd 1990-4-28 4466 Riverside Vail Lake area, Hwy R3 (Sage rd) at junction with Debby Road. just S of Sage. Comment
  UCR101465  Clarkia epilobioides A. C. Sanders 1997-4-10 20330 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  CSUSB233  Clarkia purpurea Dennis Vander Ven 1968-5-19 680519 1 Riverside About 7 miles west of Murrieta on Tenaja Road, 170 yards past first fork in road, right fork. On left side, directly by road. 701 Comment
  RSA740079  Clarkia purpurea Scott D. White, Justin M. Wood 2008-6-16 12143 Riverside San Jacinto Mountains: Meadow at Quinn Flat. 1378 Comment
  POM3049  Clarkia purpurea subsp. quadrivulnera H. M. Hall 1901-07 2262 Riverside Fuller Mill s Mountains. 1585 Comment
  RSA192051  Clarkia purpurea subsp. quadrivulnera E. W. Lathrop 1959-5-3 4511 Riverside 14 miles west of Murrieta. Tenaja Canyon. Comment
  CLARK-A1045-291  Clarkia similis George K. Helmkamp 1979-5-16 Riverside San Jacinto Mountains at State Highway 74; chaparral; ; Hemet 15'Q 609 Comment
  RSA526506  Clarkia similis Steve Boyd, T. S. Ross 1990-5-11 4701 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  SD187445  Clarkia similis Scott D. White, Angelia Carey 2004-4-16 10159 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. (Lake Fulmor) 548 Comment
  UCR108859  Claytonia parviflora Heidi A. Haid 1968-3 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR149994  Claytonia parviflora subsp. parviflora Scott D. White, Angelia Carey 2004-4-16 10182 Riverside San Jacinto Mountain foothills, Indian Creek and adjacent slopes 610 Comment
  SBBG34198  Claytonia parviflora subsp. viridis T. L. Secrest 1951-5-21 Riverside Idyllwild 1524 Comment
  SD152775  Claytonia parviflora subsp. viridis Steve Boyd, T. Ross, O. Mistretta 1992-3-31 6754 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Atea. Morgan Trail from Round Potrero W to jtn with Tenaja Tr. In N-fork Bear Creek 671 Comment
  RSA0045480  Claytonia perfoliata Diane M. Ramirez 1983-5-1 22 Riverside Mellor Ranch Road, 3 mi S of junction with CA Hwy 243, S of Banning. Near Peach Tree Spring stream at Oak Flat. Comment
  RSA612939  Clematis lasiantha D. L. Banks 1997-3-29 1638 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The area along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside / San Diego County line border. 402 Comment
  CAS-BOT-BC92823  Clematis pauciflora Ynez W. Winblad 1938-5-15 s.n. Riverside Between Capistrano and Lake Elsinore. Comment
  UC75779  Clematis pauciflora Miss M. A. King 1893-1 Riverside Menifee Comment
  UCD169470  Clematis pauciflora Scott D. White 1995-4-5 2735 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Street at ' T ' intersection with Central, in town of Nuevo. 487 Comment
  RSA440789  Cleome isomeris F. A. Thackery 1928-5-7 179 Riverside Whitewater. Comment
  RSA440809  Cleome isomeris Robert Gustafson 1981-4-7 2150 Riverside Salt Creek Wash, southern end of the Orocopia Mts. 91 Comment
  UCR175218  Collinsia Jennifer H. Jones 2006-6-6 396 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; lower ele. part of San Juan Loop Trail, N of Upper San Juan Campground 518 Comment
  CHSC108882  Collinsia concolor Duncan S. Bell; Valentin Arvizu 2010-5-10 983 Riverside Peninsular Ranges; San Jacinto Mountains region: 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
  POM305714  Collinsia concolor Henry J. Ramsey, Henry J. Ramsey 1939-4-22 1025 Riverside Hemet-Anza, Bautista Creek Road. Comment
  UCR120345  Collinsia concolor Mitch Provance 1998-4-5 387 Riverside Reche Canyon, Reche Canyon Road, near intersection with Keissel Rd., c. 1 mile south of S.B.C./R.C. Line. 549 Comment
  UCR42324  Collinsia concolor N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 168 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
  RSA0117401  Collinsia concolor Robert L. Rutherford 1945-6-17 1675 Riverside Big Oaks Canyon, Banning. 1220 Comment
  RSA0117438  Collinsia concolor G. R. Campbell 1951-5-30 16137 Riverside 9 miles west of Anza. 1067 Comment
  UC1523679  Collinsia heterophylla Robert F. Thorne, Walter Wisura, Earl Lathrop and Sara Meury 1985-5-18 60661 Riverside Santa Rosa Plateau, Cleveland National forest Cleveland National forest; Santa Rosa Plateau, Cleveland National forest 609 Comment
  JOTR36454  Colubrina californica La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3424 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
  RSA353380  Colubrina californica A. C. Sanders 1986-3-3 6141 Riverside Corn Spring, Chuckawalla Mtns, wash below the spring and wash and rocky slopes to the south. 488 Comment
  RSA76977  Colubrina californica I. M. Johnston 1930-6-15 3788 Riverside North of Mecca-Blythe road in canyons at SE end of Eagle Mountains Comment
  CAS-BOT-BC126835  Condalia parryi Nancy Ryan Zabriskie; Walter Zabriskie 1969-4-2 188 Riverside Edge of basin on way to Eagle Pk., Andreas Canyon watershed, near Palm Springs 731 Comment
  RSA407724  Convolvulus simulans Steve Boyd 1986-5-1 1787 Riverside SW Perris Basin: Hill W of Skunk Hollow Comment
  UCR120851  Convolvulus simulans D. E. Bramlet 1993-4-14 2327 Riverside Gavilan Hills, Black Rocks area, NE of Black Rocks and 1.2 km south of Cajalco Rd., east of orange groves 445 Comment
  UCR77686  Convolvulus simulans Steve Boyd 1991-5-20 6268 Riverside Peninsular Range, Temescal Canyon, south flank of Alberhill Mtn, W end adjacent to old clay mine area. 427 Comment
  RSA598989  Conyza coulteri L. C. Wheeler 1952-10-29 7010 b Riverside Riverside. Citrus Experimental Station. Comment
  CAS-BOT-BC427780  Crassula connata A. C. Sanders; G. Waines; B. Ehdaie; A. Aryavand 1997-3-12 19865 Riverside Lake Skinner area: lower Rawson Canyon, along road NE of Skinner Lake. 457 Comment
  UCR214567  Crassula connata A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37865 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
  CLARK-A1528-424  Crassula erecta Jim Ryan 1969-3-26 22 Riverside Riverside 426 Comment
  SD232220  Crocanthemum aldersonii Scott D. White, Michael Honer 2003-6-3 9469 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 334 Comment
  SEINET10773936  Crossosoma J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12852 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then several kilometers on Whitewater Canyon Road to where it crosses over the river. Comment
  UC536862  Crossosoma bigelovii M. C. Jones 1934-2-18 Riverside Whitewater Canyon Colorado Desert Comment
  UCSB3803  Crossosoma bigelovii Haller, John 1957-3-23 Riverside At mouth of Morongo Canyon, ca. 8 mi. N of U.S. 99 and 1 air mile S of Riverside-San Bernardino County line 762 Comment
  RSA651891  Croton californicus Marion P. Harthill 1971-3-19 10 Riverside Palm Desert. Comment
  RSA757623  Croton californicus LeRoy Gross, Jackie McConnaughy, Andrew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4335 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
  UCR60267  Croton setiger Steve Boyd, T. S. Ross, L. Arnseth 1989-6-10 3688 Riverside Peninsular Range, Vail Lake area, benches of Arroyo Seco and slopes of hills to the east 488 Comment
  UCR119447  Crypsis schoenoides A. C. Sanders, Mitch Provance 1999-9-26 23100 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  UCR69743  Crypsis schoenoides A. C. Sanders, Chet McGaugh 1991-7-19 11153 Riverside Peninsular Range, Murrieta Hot Springs, large vernal pool on the south side of Murrieta Hot Springs Road, east of Via Princesa & north of Calle del Lago 348 Comment
  JEPS22569  Cryptantha angustifolia Rimo Bacigalupi with Paul Hutchison 1958-2-19 6200 Riverside 9.4 mi n Blythe (at w base of the Big Maria Mts.); Big Maria Mts. 167 Comment
  POM368179  Cryptantha angustifolia T. S. Clare 1930-4-14 s.n. Riverside Salton Sea. [Imperial to Riverside Co] Comment
  POM6571  Cryptantha angustifolia P. A. Munz, L. T. Street, G. Williams 1919-3-28 2380 Riverside Palm Canyon 183 Comment
  RSA336130  Cryptantha angustifolia R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52041 Riverside Just E of Palm Desert. Comment
  SD21525  Cryptantha angustifolia Frank F. Gander 1938-5-21 5768 Riverside Shaver's Well Comment
  SEINET235768  Cryptantha angustifolia Scott D. White 1998-2-9 6082 Riverside Coachella Valley La Quinta/Palm Desert Area: Whitewater River Channel at and near Miles Ave. crossing. 30 Comment
  SEINET8666059 Image available Cryptantha angustifolia David Silverman, A. C. Sanders 2010-3-23 7818 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
  UCR138589  Cryptantha angustifolia Steve Boyd, T. S. Elias, Erika Winter 1986-2-18 1317 Riverside Western Colorado Desert, Mecca Hills: Painted Canyon north of Hwy 195 Comment
  UCR234809  Cryptantha angustifolia Jim Andre, Glenn L. Clifton 2011-2-22 17468 Riverside Coachella Valley, just south of Hwy I-10 at Amtrak train station parking , just west of North Indian Canyon Drive 186 Comment
  UCSB10424  Cryptantha angustifolia Beeks, Richard 1952-4-4 Riverside 4 miles north of Mecca, in Box Cyn Comment
  RSA9117  Cryptantha angustifolia P. A. Munz, R. D. Harwood 1920-4-4 3514 Riverside Pass south of Palm Springs. 152 Comment
  UC1922545  Cryptantha angustifolia Michael Honer, Dave Silverman 2005-3-18 2097 Riverside Colorado Desert; Northeastern Colorado Desert region: Palen Valley; appx. 3 mi. due E of Desert Center Airport. Comment
  UC857072  Cryptantha barbigera C. L. Hitchcock 1940-4-3 5932 Riverside 1.5 mi ne Cottonwood Springs (along 29 Palms Road); Joshua Tree National Monument Comment
  UCR163919  Cryptantha barbigera A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29138 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 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
  UCR135716  Cryptantha barbigera var. fergusoniae Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9024 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  CAS-BOT-BC189331  Cryptantha circumscissa John H. Thomas 1957-3-30 6576 Riverside Joshua Tree National Monument. About 3 miles SE of White Tank near the road to Cholla Cactus Garden. About 20 miles NE of Indio 883 Comment
  UCR182314  Cryptantha corollata Mitch Provance 2003-4-5 6614 Riverside San Bernardino Valley, Glen Avon (near border with Fontana) along the NW base of the Jurupa Mountains, south of Philadelphia St. and just east of Country Village Rd 253 Comment
  UCR183172  Cryptantha corollata Mitch Provance 2003-5-5 4417 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  SEINET200257  Cryptantha dumetorum Francia Chisaki, Peter M. Ray 1952-4-6 2199 Riverside Joshua Tree National Monument ; About 0.25 mile west of Cottonwood Springs. Comment
  CLARK-A1045-138  Cryptantha intermedia George K. Helmkamp 1978-4-1 Riverside Deep Canyon rocky flat by University of California Reserve System Boyd research station; Palm Desert 15'Q Comment
  RSA67310  Cryptantha intermedia G. R. Campbell 1951-4-22 15998 Riverside Palms to Pines Hwy [74], 1 mi. e. of road to Santa Rosa Mt.[Santa Rosa Mt Truck Trail], 1371 Comment
  RSA674532  Cryptantha intermedia Scott D. White, Sandy Leatherman 2000-5-31 7990 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  UCR154393  Cryptantha intermedia A. C. Sanders, Mike Misenhelter 2005-6-15 30972 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
  UCR16096  Cryptantha intermedia Patty Bartoli 1978-4-2 s.n. Riverside San Jacinto Mtns/ San Jacinto Valley, 2.3 mi east of Hemet on Hwy 74 Comment
  POM14031  Cryptantha maritima P. A. Munz, D. D. Keck 1922-4-14 4942 Riverside East of Whitwater Ranch 213 Comment
  UC1514466  Cryptantha maritima Rimo Bacigalupi with Paul Hutchison 1958-2-19 6199 Riverside 9.4 mi n Blythe (at w base of the Big Maria Mts.); Big Maria Mts. 167 Comment
  UCR147845  Cryptantha maritima Steve Boyd, Et al. 2004-5-14 11274 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  UCR72197  Cryptantha maritima Theo Glenn 1992-3-31 92 4 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  UCR279596  Cryptantha maritima var. pilosa A. C. Sanders, Jim Malusa 2017-3-28 43163 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
  SJSU11353  Cryptantha micrantha J. W. Tofflemire 1957-4-18 Riverside Bautista Canyon Rd, Bautista Canyon SE of Hemet Comment
  JOTR33867  Cryptantha micrantha var. micrantha La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3052 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; sand ramps 432 Comment
  RSA779621  Cryptantha micrantha var. micrantha Duncan S. Bell 2010-4-1 657 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
  UC1535389  Cryptantha microstachys A. C. Sanders and B. Pitzer 1986-4-30 Riverside 1.3 mi above upper Bee Canyon mouth (at the San Jacinto River valley, along the road); San Jacinto Mountains, San Jacinto River Valley, Bee Canyon 670 Comment
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Sep 10 2011
  UCR156279  Cryptantha microstachys T. B. Salvato, Kent Beaman 2005-5-16 824 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
  UCR160322  Cryptantha microstachys Steve Boyd 1992-4-14 6825 Riverside Peninsular Ranges; Santa Ana Mtns Region, San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail 793 Comment
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Jul 5 2010
  UCR90417  Cryptantha microstachys D. L. Banks 1995-5-3 0209 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  UCR98694  Cryptantha microstachys S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  UCR18155  Cryptantha muricata A. C. Sanders 1978-4-1 00206 Riverside Santa Rosa Mtns, Pinyon Crest, on Hwy 74 1098 Comment
  UCR262570  Cryptantha muricata var. denticulata T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3751 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
  RSA0079225  Cryptantha muricata var. jonesii P. A. Munz 1937-5-30 15086 Riverside Northwest slope of Santa Rosa Mountain. 2134 Comment
  RSA778236  Cryptantha nevadensis Duncan S. Bell 2009-3-8 41 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  SEINET3084440 Image available Cryptantha nevadensis B. Pitzer 1998-1-24 3383 .1 Riverside N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  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
  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
  RSA394313  Cucurbita foetidissima Jeannette B. Edge 1934-4-22 s.n. Riverside Jurupa Mountains. 457 Comment
  UCR155297  Cucurbita foetidissima T. B. Salvato, Kent Beaman 2005-5-16 792 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
  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
  POM158190  Cuscuta ceanothi P. A. Munz, I. M. Johnston 1928-9-6 11275 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  UCD98518  Cycloloma atriplicifolium H. R. Greene 1920-5-11 s.n. Riverside Riverside. Comment
  RSA662434  Cycloloma atriplicifolium J. C. Roos 1965-9-26 s.n. Riverside In Indio. Comment
  RSA768214  Cydonia oblonga Justin M. Wood 2010-4-13 1462 -B Riverside City of Corona: Small tributatry to Temescal Wash, 0.5 miles NW of Auburndale St near Flood Control Dike. 165 Comment
  LA204494  Cylindropuntia bigelovii Carl B. Wolf; 1932-10-12 4301 Riverside NW end of Pinto Basin, about 4 mi. E of El Dorado Queen Mine 914 Comment
  SEINET5624467 Image available Cylindropuntia chuckwallensis Marc A. Baker 2012-4-9 17533 Riverside East of Red Canyon 7.5' USGS topographic quadrangle, along Salt Creek, 17.5km WNW of Black Butte in the Chuckwalla Mountains, 18km SE of Chiriaco Summit 498 Comment
  POM294993  Cylindropuntia echinocarpa David Griffiths 1905-7-21 8010 Riverside Whitewater. Comment
  SEINET9037429 Image available Cylindropuntia echinocarpa M. A. Baker, Michelle Cloud-Hughes 2015-1 18399 Riverside San Gorgonio River, 2km south of Cabazon, 2.6km NNW of Hurley Flat, 26km WNW of central Palm Springs 510 Comment
  CAS-BOT-BC56190  Cylindropuntia ganderi C. B. Wolf; P. C. Everett 1938-9-29 9456 Riverside Field redacted by CAS, contact the data manager for more information 1066 Comment
  SD145973  Cylindropuntia prolifera A. C. Sanders, D. Malueg, K. D. Jones 2000-9-8 23645 Riverside Temecula Valley:gasline route on E edge of Temecula,ca. 2 km SW of Skunk Hollow & 1 km N of Nicolas Rd,N side of next arroyo N of Santa Gertrudis Creek,NE of elementary school.Bachelor Mt 7.5' quad.On 1300' hill,SW-facing bowl E of 'pipeline'. (IPB 8/07) 381 Comment
  CDA33349  Cynanchum utahense Mike Lahti 2009-9-21 PDR# 1501826 Riverside Bautista Canyon, east of Hemet. 0 Comment
  SEINET3926489  Cynodon dactylon Faulkner 1978-3-21 348 Riverside 9 miles N of Blythe, Hwy 95, Saline flats.; 0 152 Comment
  RSA0088440  Cyperus eragrostis Mitch Provance 2011-7-4 17182 Riverside San Bernardino Valley: Northwestern base of the Jurupa Mountains, adjacent to S side of Fontana (technically in an unincorporated part of Riverside Co.), retention basin on S side of Philadelphia St., just E of Country Village Rd. 262 Comment
  CAS-BOT-BC114261  Cyperus esculentus Scott D. White; Steve Ogg 1994-10-17 2469 Riverside Murrieta Ck 1000 ft S of Winchester Rd. bridge (Banana Ave on USGS Murrieta quad, photorev. 1979) 310 Comment
  SDSU14295  Cyperus involucratus Robin P. Silverstein, Taxonomy of CA Plants class, M. G. Simpson, instructor 2000-4-1 6 Riverside Santa Margarita Ecological Reserve. Next to concrete drainage, under telephone wire, east bank of river, 1/10 of a mile south of northside Field Station. 244 Comment
  RSA613957  Cyperus odoratus A. C. Sanders 1994-7-27 15164 Riverside Riverside: Santa Ana River between the San Bernardino County line and the Market Street Bridge. 246 Comment
  UCR142028  Cyperus rotundus A. C. Sanders, Et al. 1995-3-12 16036 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  SD227680  Cyperus squarrosus A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22233 Riverside San Bernardino Mtns.: Morongo Indian Reservation, lower Millard Canyon 840 Comment
  RSA784943  Dalea mollis Duncan S. Bell 2012-2-12 3121 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  SEINET3004993  Dalea mollis G. Rink, M. Baker 2011-4-3 10421 Riverside Northwest of Blythe, east of the McCoy Mtns, desert pavement 170 Comment
  UC218038  Dalea mollis P. A. Munz and D. Keck 1922-4-8 4738 Riverside Mecca Colorado Desert, Mecca -30 Comment
  LA11688  Dasyochloa pulchella H. S. Yates; 1937-3-24 6454 Riverside Deep Canyon 457 Comment
  POM47203  Dasyochloa pulchella Mary F. Spencer 1920-4-1 1556 Riverside In desert sand, Colorado Desert 122 Comment
  RSA676265  Datura discolor Scott D. White 2001-4-3 8229 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  UC1234726  Datura wrightii David P. Gregory 1961-6-6 469 Riverside near the Santa Ana River w Prado Dam; near the Santa Ana River, w of Prado Dam Comment
  RSA709192  Daucus pusillus A. C. Sanders 2005-4-28 29756 Riverside Peninsular Ranges: Gavilan Hills; north of Santa Rosa Rd., 1 mi. SW of Ida Leona Mine. 625 Comment
  JEPS12649  Deinandra kelloggii W. L. Jepson May 17 1901-Jun 1 1901 1237 Riverside hills near San Jacinto Lake Comment
  UCSB27090  Deinandra kelloggii Wilken, Dieter 1970-6-5 Riverside 3.2 miles east of Aguanga on road between Aguanga and Paradise Valley Comment
  RSA706234  Deinandra mohavensis Michael Wall, Cassy, Dick Whiting 2005-8-6 402 Riverside SE Hemet, Santa Rosa Hills, Simpson Park. Comment
  UC2015630  Deinandra mohavensis Jeri Hirshberg 1995-9-13 Riverside San Jacinto Mountains: at the edge of the road to Hungry Hollow from Hwy 243 ca. 0.75 mi. SSE of Poppet Flat Rd. jct. w/243. ca. 1 mi. E of Poppet Flat Comment
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Feb 4 2015
  SD137876  Deinandra paniculata Darin L. Banks, Steve Boyd 1995-10-26 829 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; along the Woodchuck Trail. 940 Comment
  RSA278562  Delphinium parishii T. C. Emmel 1961-3-21 s.n. Riverside Chino Canyon Comment
  UC1595568  Delphinium parishii W. Wisura, A. King, and L. Newcomb 1992-4-10 4667 Riverside w Hwy 62 (below Morongo Valley); Low Desert, Mission Creek Ranch Comment
  CAS-BOT-BC7986  Delphinium parishii subsp. parishii S. Parish; W. F. Parish 1883-4-1 255 Riverside Colorado Desert, Cabezon Station Comment
  PASA2553  Delphinium parryi Frank W. Peirson 1922-5-18 3051 Riverside Road south of Lake Elsinore 377 Comment
  UCR104941  Delphinium parryi A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20696 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
  CAS-BOT-BC121432  Delphinium parryi subsp. parryi George Robertson 1904-5-1 468 Riverside Keller Creek, Santa Ana 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
  HSC86133  Delphinium patens subsp. montanum B. Freeman 1969-6-19 690619 Riverside James Reserve 1646 Comment
  RSA433243  Dendromecon rigida subsp. rigida H. de Forest, Jack Rempel 1933-6-25 18015 Riverside Along road to Banning, San Jacinto Mts Comment
  RSA66258  Dendromecon rigida subsp. rigida F. W. Peirson 1924-7-29 5025 Riverside Road between Banning and Idyllwild. 1768 Comment
  SEINET263476 Image available Deschampsia danthonioides R. Noll sn Riverside Hemet corner of Warren and Florida Avenues Comment
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Jul 29 2013
  UCR202577  Descurainia obtusa subsp. adenophora Scott D. White, Justin M. Wood 2008-7-8 12386 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  RSA741111  Descurainia sophia Scott D. White, Justin M. Wood 2008-6-17 12161 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  CSUSB964  Dicentra chrysantha Richard Sayre 1972-5-7 Riverside Santa Rosa Road 7 miles from Murietta. Comment
  UCR188886  Dicentra chrysantha Brent Barnes, Seung-Chul Kim, A. C. Sanders, UCR Plant Taxonomy class 2007-5-20 02 Riverside Peninsular Range; San Jacinto Mtns., Mt. Edna Road off Hwy 74 1159 Comment
  CAS-BOT-BC500848  Dichelostemma capitatum Milo S. Baker 1928-4-3 2807 b Riverside Tahquitz Canyon near Palm Springs Comment
  SEINET232554  Dichelostemma capitatum subsp. capitatum Sharon K. DuBois 1987-5-10 Riverside San Jacinto Mountians 1 mi up Bee Canyon off of Hwy 74 457 Comment
  RSA524231  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4025 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA709117  Dicoria canescens Scott D. White, Justin M. Wood 2005-10-4 11237 Riverside San Gorgonio Pass: 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
  UCR214871  Dicoria canescens A. C. Sanders 2010-3-15 37402 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
  UC1929321  Dieteria asteroides var. asteroides Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10668 Riverside San Jacinto Mountain foothills; Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. Comment
  UC1007168  Dieteria canescens var. ziegleri Philip A. Munz 1938-8-13 15332 Riverside ridge near Santa Rosa Peak 2316 Comment
  CDA1969  Digitaria sanguinalis Steve Boyd 1989-7-9 3768 Riverside City of Riverside, 4863 Rubidoux Ave. 0 Comment
  RSA0019289  Diplacus brevipes Justin M. Wood, Brandy Wood 2009-6-13 892 Riverside Idyllwild County Park, Lilly Creek and adj slope to W of campground. 1585 Comment
  SBBG87344  Diplacus longiflorus B. Pitzer, A. C. Sanders 1937-4-21 495 Riverside Box Springs Mtns, near southernmost radio towers 792 Comment
  SD129536  Diplacus puniceus Steve Meyers 1990-3-21 Riverside Santa Rosa Plateau area; along Los Gatos Road, I(c) mi. S of Buena Vista Road (2 mi. W of Sandia Canyon, & 0.1 mi. N of San Diego County line 366 Comment
  IRVC28533  Diplotaxis muralis O. F. Clarke 2002-5-1 s.n. Riverside Riverside; UCR Botanical Garden 351 Comment
  RSA700938  Distichlis spicata Michael Wall 1996-7-6 147 Riverside San Jacinto Valley, W side of Ramona Expressway in swale beginning 0.4 mi SE of Sanderson continuing for >0.5 mi. 488 Comment
  UCR91526  Distichlis spicata Scott D. White 1996-4-20 3969 Riverside Perris Basin, near Perris Airport; c. 100 m south of Case Road and 100 m west of the San Jacinto River Channel 433 Comment
  UCR2331  Distichlis spicata var. stricta H. J. Webber 1918-6-9 40 Riverside Alkali land NE of Riverside Comment
  POM193208  Ditaxis lanceolata Marcus E. Jones 1929-9-16 24871 Riverside East of Desert Center. Comment
  RSA677302  Ditaxis lanceolata P. A. Munz, D. D. Keck 1922-4-13 4945 Riverside Eagle Mountains. 244 Comment
  UCR246845  Ditaxis lanceolata Jim Andre 2012-3-19 21322 Riverside Sonoran (Colorado) Desert, north end of Chuckwalla Mountains at Jaeger Nature Sanctuary, 1.5 mi. south of junction Eagle Mt Rd and I-10 freeway 411 Comment
  UCR163735  Ditaxis neomexicana B. G. Pitzer 2000-11-4 4239 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
  RSA765262  Ditaxis serrata Justin M. Wood, D. M. Ray 2010-10-21 3000 Riverside Chuckwalla Valley NE of Victory Springs and 0.9 km E of Kaiser Road on unmarked 4WD road. 198 Comment
  RSA530749  Dithyrea californica Robert L. Dressler 1949-3-19 420 Riverside 5 miles NE of Desert Center. Comment
  RSA651835  Dithyrea californica R. J. Silva 1949-2-12 s.n. Riverside Found: 1000 Palm Canyon. 762 Comment
  RSA691086  Dithyrea californica Scott D. White 2001-4-18 8361 Riverside Coachella Valley: Palm Springs. NE corner of Sunrise Dr. and San Raphael Dr. (Palm Springs) 152 Comment
  UCR20744  Dithyrea californica A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1301 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
  RSA789351  Dodecahema leptoceras Naomi Fraga, Duncan S. Bell 2009-5-6 2702 Riverside Arroyo seco SE of Dripping Springs Campground and Fire Station. 488 Comment
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Mar 30 2013
  RSA336067  Downingia cuspidata R. F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 51982 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  RSA0019580  Drymocallis glandulosa var. glandulosa E. W. Lathrop 1966-5-29 6388 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  HSC1035  Dryopteris arguta W. R. Supernaugh, Jr. 1964-12-24 24 Riverside Joshua Tree Nat'l Monument, 0.25 mi. E of Ryan Campground 1311 Comment
  POM274431  Dudleya lanceolata Lyman Benson 1939-12-14 s.n. Riverside 10 mi. W of Banning, US 99 915 Comment
  SBBG119281  Dudleya lanceolata V. Soza, L. Gross 1999-6-21 569 Riverside Oak Flats, SW of Serrano Spring; T7N R6W SE/4, NE/4 S13 731 Comment
  SDSU13555  Dudleya lanceolata W. Miller with C. Mosse 1972-7-20 Riverside Upstream from Beaver dam. Comment
  UCR21361  Dudleya lanceolata 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
  RSA6657  Dudleya saxosa subsp. aloides B. D. Stark 1933-4-2 s.n. Riverside 3 miles below Pinyon Flats, San Jacinto Mts. (Palms to Pines Road). 1066 Comment
  RSA6659  Dudleya saxosa subsp. aloides B. D. Stark 1933-4-2 4536 Riverside Pinyon Flats, San Jacinto Mts. Upper Sonoran, (Palms) to Pine Road. 1220 Comment
  RSA779017  Echinocactus polycephalus var. polycephalus Duncan S. Bell 2010-4-1 677 Riverside Arica Mountains: east side of mountain range approximately 1.5 air miles northwest of Priests Well, and approximately 5.7 air miles southwest of the ghost town of Rice. 389 Comment
  SEINET8060387 Image available Echinocactus polycephalus var. polycephalus Michael Chamberl 1990-1-11 17 Riverside 3.6mi S of Inyo county line on Route 127. On west side of small hill on west side of road. 300 Comment
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Jun 5 2016
  RSA0125251  Echinocereus engelmannii var. engelmannii P. A. Munz 1921-5-1 4496 Riverside Southern edge of Mojave Desert near Pinyon Wells. 1220 Comment
  UCR188891  Echinochloa crus-galli Fred M. Roberts, S. Leatherman 2007-9-19 6580 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  UCR201019  Echinochloa oryzicola Scott D. White, Justin M. Wood 2008-9-17 12538 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland, 1/4 mile S of Ethanac Rd, between San Jacinto Rd and Palomar Rd, just S of railroad tracks 448 Comment
  SEINET270227 Image available Ehrharta erecta A. C. Sanders, O. F. Clarke 1996-2-17 17952 Riverside Residence of O.F. Clarke 1012 Spruce Street 305 Comment
  SEINET10680522  Elatine californica Robert F. Thorne 1978-5-21 Thorne 51987 Riverside Santa Rosa plateau, Mesa de Colorado. 610 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
  UC1100718  Eleocharis macrostachya Malcolm A. Nobs, S. Galen Smith 1948-9-3 502 Riverside Thermal Imperial Valley Comment
  UC839179  Eleocharis macrostachya P. A. Munz 1922-4-29 5105 Riverside Temecula River Comment
  SEINET13709830  Eleocharis macrostachya J. Adams, J. Adams (Botany) 1966-1 717 Riverside Santa Rosa Plateau, 15 Mi E of De Luz 2500 Ft 762 Comment
  SDSU12981  Eleocharis montevidensis Michael G. Simpson with Claudia A. Luke 1999-10-27 2019 Riverside Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  UCR59673  Eleocharis montevidensis Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3548 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, pond and freshwater marsh in Kolb Creek, just south of the lake Comment
  RSA365449  Eleocharis montevidensis var. montevidensis L. C. Wheeler 1933-12-2 2312 Riverside U.S. 99: 2 miles NW Whitewater Station. 366 Comment
  RSA588169  Eleocharis parishii Darin L. Banks, Steve Boyd 1995-10-17 803 Riverside Cleveland National Forest, Agua Tibia Mtns.; lower Arroyo Seco, S of the Dripping Springs Campground. Along narrow benches where Arroyo Seco turns to the E, just W of the Metasedimentary hills 525 Comment
  RSA705542  Eleusine coracana subsp. africana R. E. Riefner Jr. 2003-12-20 3 -548 Riverside Jurupa Valley, vicinity of Hellman Avenue at Pine Avenue 195 Comment
  CAS-BOT-BC418621  Eleusine indica R. E. Riefner, Jr. 2013-10-29 13 225 a Riverside La Sierra, along La Sierra Ave. at Sierra Tree St. 243 Comment
  UCR93084  Eleusine indica A. C. Sanders, S. Ogg 1994-7-28 15169 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  JOTR36416  Elymus elymoides subsp. brevifolius La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3362 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  JOTR35510  Elymus elymoides subsp. elymoides La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3197 Riverside Joshua Tree National Park. Little San Bernardino Mtns, lower Smithwater Canyon (Biodiversity Hunt stop4) 1219 Comment
  CAS-BOT-BC206528  Elymus glaucus subsp. glaucus H. M. Hall 1901-6-1 2097 Riverside Slopes and benches of the south side - San Jacinto Mountains 1463 Comment
  RSA500131  Elymus glaucus subsp. jepsonii Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3680 Riverside Vail Lake area, Benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  UCR207342  Elymus repens O. F. Clarke 2004-5-17 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCR193529  Elymus stebbinsii A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35560 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, nameless tributary NW of Herkey Crk., north of Bonita Vista Rd. and NE of May Valley Rd. 1555 Comment
  SEINET260213  Elymus trachycaulus subsp. subsecundus M. Curto, L. Allen 1991-7-23 811 Riverside San Jacinto Wilderness ; Mt San Jacinto Tahquitz Valley 2415 Comment
  POM128370  Emmenanthe penduliflora Thomas Craig 1927-4-23 200 Riverside Glen Ivy. Comment
  RSA28062  Emmenanthe penduliflora I. L. Wiggins 1941-3-27 9694 Riverside 4 mi. north of Whitewater. Comment
  RSA516412  Emmenanthe penduliflora Walter Wisura, Bart O'Brien, T. Hayduk 1990-5-12 4424 Riverside Ortega Hwy. below switchbacks, near Lake Elsinor, in burned area. Comment
  UCR122750  Emmenanthe penduliflora George K. Helmkamp, E. A. Helmkamp 1998-4-24 3384 Riverside Santa Rosa Mountains, Palms-to-Pines Hwy (Calif. Hwy 74), 1 mi north of Carrizo Rd near Black Hill 1006 Comment
  CAS-BOT-BC131162  Encelia actoni Lewis S. Rose 1935-12-23 35698 Riverside Above Deep Canyon, San Jacinto Mts. 914 Comment
  RSA702044  Encelia actoni Scott D. White, Angelia Carey 2004-9-16 10751 Riverside San Jacinto Mountain foothills: San Jacinto Mountain foothills: Along Poppet Creek NE of San Jacinto River. Along open sandy dry wash and adjacent roadside. 561 Comment
  UCSB18497  Encelia actoni Beringer, George 1963-5-5 Riverside State Highway 74, 4.5 miles E of Pinyon Flats Public Campground 944 Comment
  CAS-BOT-BC131326  Encelia farinosa Steve Boyd 2007-4-20 11724 Riverside Peninsular Ranges; Perris-Aguanga Basin region: Southeastern end of the Gavilan Hills, north of Warm Springs Valley at upper end of Walsh Canyon, ca. 0.5 miles from junction with Lindel (aka Stovepipe) Road, on southwest facing slope just above old... 549 Comment
  CAS-BOT-BC131335  Encelia farinosa Fremont Ballou 1926-2-25 s.n. Riverside Andreas Canyon Comment
  UC1118073  Encelia farinosa H. S. Yates 1936-6-6 5409 Riverside San Jacinto Quad., Palm Springs 137 Comment
  UCR52234  Encelia farinosa Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2214 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  SEINET10958167  Encelia farinosa David B. Dunn 1946-2-22 Dunn 1969 Riverside Hidden Springs Canyon in the vicinity of the Palms. Comment
  POM356681  Encelia farinosa var. farinosa D. A. Young 1969-3-21 308 Riverside 3 miles SE of Hwy 74 (8 miles S of Palm Desert) near the fence of the University of California. 366 Comment
  POM356696  Encelia farinosa var. farinosa Howard Mullins 1931-4-11 s.n. Riverside Palm Springs. Comment
  POM4943  Encelia farinosa var. farinosa L. T. Street 1917-5-15 s.n. Riverside Elsinore. Comment
  RSA640871  Ephedra californica Barbara Shervanick 1973-2-18 654 Riverside About 2 miles NW of Tramway Road on Hwy 111 Palm Springs. Mt. Range San Jacinto. Alt. 1100'. 335 Comment
  UCR38700  Ephedra californica J. M. Stewart 1985-4-28 8516 Riverside Western Colorado Desert, Coachella Valley, along the north side of Hwy I-10, 1 mi west of Indian Ave. 244 Comment
  RSA0092841  Ephedra nevadensis J. Andre 2012-4-11 20808 Riverside Joshua Tree National Park; western margin of Eagle Mtns, along road to Cottonwood Spr (Utah Trail), 0.7 mi. north of Cottonwood Visitor Ctr.. 956 Comment
  RSA336057  Ephedra nevadensis Robert F. Thorne, Avi Shmida, Robert Whittaker 1978-4-23 52062 Riverside Palms to Pines Highway: Along highway, Santa Rosa Mountains. Comment
  RSA4033  Ephedra trifurca C. B. Wolf 1932-4-29 3123 Riverside Eastern Colorado Desert, 3 miles S of Rice on the Blythe road. 213 Comment
  UC729743  Ephedra trifurca Carl B. Wolf 1932-4-29 3122 Riverside on Blythe Road 3 mi s Rice; Eastern Colorado Desert 213 Comment
  RSA630329  Epilobium brachycarpum Scott D. White 1996-9-22 4538 Riverside Nuevo Road near intersection with Wilson Ave., W of the San Jacinto River crossing. 430 Comment
  RSA595908  Epilobium canum subsp. canum D. L. Banks, Lauren Raz 1996-11-5 1167 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, ESE of San Gabriel Church; Along the floodplain of the southern fork of Pechanga Creek. 415 Comment
  CAS-BOT-BC171746  Epilobium canum subsp. latifolium Lewis S. Rose 1945-12-28 45340 Riverside Tahquitz Canyon, Palm Springs, Colorado Desert 213 Comment
  RSA545236  Epilobium canum subsp. latifolium Robert F. Thorne 1970-10 41886 Riverside San Bernardino Mountains- Whitewater canyon: ca. 1350 ft. near bridge and Whitewater Post Office to ca. 2000 ft. up the canyon toward fish hatchery. 610 Comment
  UC20667  Epilobium canum subsp. latifolium H. M. Hall 1897-7-17 694 Riverside Strawberry Creek San Jacinto Mountains 1676 Comment
  POM48735  Epilobium densiflorum P. A. Munz 1924-7-29 8818 Riverside 5 miles SE of Poppet Flat, San Jacinto Mtns. 1372 Comment
  UCR90616  Epilobium densiflorum Scott D. White 1995-6-29 3404 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  POM19842  Epipactis gigantea Mary F. Spencer 1923-7-20 2248 Riverside Idyllwild, San Jacinto Mountains. 1646 Comment
  CLARK-A1528-24  Equisetum arvense Ruth Cooper 1952-9-12 635 f Riverside Riverside Comment
  SEINET251885 Image available Eragrostis barrelieri Unknown 1996-3-17 17978 Riverside Coachella Valley: Palm Springs, shopping center at SE corner of Raquet Club Dr. and Palm Canyon Dr. 189 Comment
  RSA596779  Eragrostis curvula var. conferta D. L. Banks, K. D. Hedge 1996-5-16 1037 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; Along Los Caballos Road, approximately 0.5 m S of Hwy. 79, 100 m N of the Golf Course access road; along the E side of the road next to a vineyard., T8S R2W; 1/2 mile N of sec. 24. 399 Comment
  UCR24517  Eragrostis mexicana subsp. virescens Alfred R. Roos 1937-8-17 10609 Riverside San Jacinto Comment
  UCR113926  Eragrostis pectinacea Mitch Provance, A. C. Sanders 2000-7-4 2080 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  RSA432730  Eremalche rotundifolia Anstruther Davidson 1930-5-27 s.n. Riverside 50 miles East of Colorado Desert Comment
  UC68596  Eremalche rotundifolia H. M. Hall Apr, 1905 5793 Riverside 8 mi. w. Coachella; Colorado Desert 60 Comment
  UCR16592  Eremalche rotundifolia K. W. Brown 1966-3-10 s.n. Riverside Sonoran (Colorado) Desert, near Homestead Ranch gate, 0ne-half mi. east of Palms-to-Pines Hwy, c. 2 mi. south of Palm Desert '350 ft. 183 Comment
  OBI32597  Eremothera boothii A. C. Sanders 1983-4-24 3798 Riverside Alluvial fan at the NW end of the Orocopia Mts along hwy 195, +/- 3 mi NE of Shavers Well and 2.7 mi NE of the point where the rd enters Box Cyn 366 Comment
  CAS-BOT-BC160056  Eremothera boothii subsp. condensata Alice Eastwood 1913-4-30 3001 Riverside Palm Springs Comment
  CDA37645  Eremothera boothii subsp. desertorum M. S. Wasbauer 1960-3-26 Riverside Shaver s Summit. 0 Comment
  JEPS31755  Eremothera refracta W. L. Jepson 1928-4-23 12557 Riverside n Mecca; Cottonwood Mts., Cottonwood Spr. 518 Comment
  RSA0110544  Eriastrum densifolium subsp. austromontanum N. C. Cooper 1944-7-15 1579 Riverside Palms to Pines Highway, San Jacinto Mountains. 1280 Comment
  UC1787319  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1993-7-9 124 Riverside Arroyo Seco Creek, adjacent to Dripping Springs Public Campground, ca. 500 m south of terminal loop of campground road, along east bank of creek 487 Comment
  SDSU3046  Eriastrum densifolium subsp. elongatum S. J. Banrhart 1966-4-24 Riverside 1 mile east of McAllister Street along the Metropolitan Water Co. Utility Road (Dirt). which is 1.5 miles south-east of the intersection of McAllister Street and Victoria Avenue. 457 Comment
  CLARK-A1528-702  Eriastrum eremicum C. M. Flanagan 1973-5-12 OO 41 Riverside San Jacinto Mountains 853 Comment
  JEPS69032  Eriastrum eremicum subsp. eremicum W. L. Jepson 1920-5-1 8915 Riverside Palm Springs of San Jacinto Comment
  RSA0120097  Eriastrum eremicum subsp. eremicum Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10506 Riverside West side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains. Comment
  SD38839  Eriastrum eremicum subsp. eremicum Edith A. Purer 1935-4-21 6459 Riverside Desert floor, near Palm Springs. Comment
  CAS-BOT-BC514450  Eriastrum eremicum subsp. eremicum Philip A. Munz; R. D. Harwood 1950-4-4 3526 Riverside Pass S of Palm Springs 152 Comment
  CAS-BOT-BC514453  Eriastrum eremicum subsp. eremicum Milo S. Baker 1928-4-3 2847 b Riverside Hway South Palm Springs Comment
  RSA0020092  Eriastrum harwoodii J. Andre 2013-3-27 24794 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 242 Comment
  UCR106874  Eriastrum sapphirinum Michael A. Patten 1992-7-7 s.n. Riverside Skunk Hollow, east of town of Murrieta 409 Comment
  UCR164934  Eriastrum sapphirinum T. B. Salvato, John F. Green 2004-5-27 623 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
  UCR25084  Eriastrum sapphirinum A. C. Sanders 1980-7-18 1644 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  UCR261143  Eriastrum sapphirinum A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-20 41733 Riverside Temesal Canyon, open area on south side of I-15, between Horse Thief Canyon Road and Hostettler Rd. 370 Comment
  RSA0122952  Eriastrum sapphirinum subsp. dasyanthum A. C. Sanders 1994-5-29 14551 Riverside San Bernardino Mountains: Morongo Indian Reservation, among hills on the low pass between Millard Cyn. and Potrero Cr. 750 Comment
  RSA0094097  Eriastrum sapphirinum subsp. sapphirinum Duncan S. Bell, Evan Meyer, Sonia Pena 2015-10-20 8723 Riverside Santa Rosa Mountains; approximately 0.75 air mile west of the summit of Santa Rosa Mountain. 2196 Comment
  POM183992  Ericameria cuneata var. spathulata P. A. Munz 1932-10-16 12848 Riverside Indio to Vandeventer Flat. 1067 Comment
  RSA505022  Ericameria linearifolia D. Charlton 1988-5-21 1911 Riverside Thomas Mtn Rd, W of Garner Valley and S of Lake Hemet on Hwy 74.[note: labels I've seen have both localities (A & B) and don't distinguish elevation or vegetation -SDW 2004] 1829 Comment
  JOTR36489  Ericameria nauseosa var. mohavensis La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3350 Riverside Joshua Tree National Park. Upper Covington Flat: Upper Covington Flats Parking area Comment
  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
  UC322979  Ericameria palmeri var. pachylepis H. M. Hall 1927-10-22 12296 Riverside Wildomar Comment
  LA203147  Ericameria paniculata Louis Wheeler; 1933-12-1 2288 Riverside San Gorgonio Pass, 2 mi. E. Cabazon, 640 Comment
  UC640280  Ericameria paniculata H. and M. Dearing 1939-11-11 4024 Riverside e of Banning (w edge of Colorado Desert); Colorado Desert Comment
  UCSB37801  Ericameria paniculata Roos, John 1965-11-6 Riverside Whitewater 304 Comment
  RSA741266  Ericameria parishii Scott D. White, Justin M. Wood 2008-7-10 12453 Riverside San Jacinto Mountains: Fobes Spring 1500 Comment
  RSA552731  Ericameria pinifolia Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-3-31 6753 a Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 671 Comment
  RSA597065  Ericameria pinifolia D. L. Banks, Lauren Raz 1996-11-5 1155 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
  UCR160054  Erigeron breweri Steve Boyd, Valerie Soza 2004-6-22 11538 Riverside Peninsular Ranges; San Jacinto Mountains region, Western flank of the range in Hall Canyon, at the south end of Lake Fulmor, just north of Hwy 243. 1646 Comment
  UCSB15235  Erigeron foliosus Breedlove, Dennis 1961-8-4 Riverside Along Riverside Highway 1 at junction with road to Black Mountain Campground; San Jacinto Mountains 1676 Comment
  CAS-BOT-BC296236  Erigeron foliosus var. foliosus Carl B. Wolf 1932-5-25 3667 Riverside Snow Creek Canyon just above fish hatchery, No. base of San Jacinto Mts. 670 Comment
  UCR9215  Erigeron foliosus var. foliosus D. H. Wilken 1965-6-29 301 Riverside San Jacinto Mtns, Along County Route 1 [Hwy 243], c. 3 mi south of Banning 915 Comment
  CSUSB104  Eriodictyon crassifolium Kheng Try Seng 1966-4-13 660413 13 Riverside Santa Ana Mountains Northeast slope of Santa Ana Mountain. End of Main Street, 4 miles from downtown Corona. 457 Comment
  HSC47469  Eriodictyon crassifolium Richard Spjut, C. E. Edson 1978-5-5 5022 Riverside Between Idyllwild and Banning along Hwy. 243 in the San Jacinto Mtns. 1220 Comment
  RSA161231  Eriodictyon crassifolium Peter H. Raven 1959-4-23 14017 Riverside 1.2 miles west of Dripping Springs. Comment
  CAS-BOT-BC188970  Eriodictyon parryi Mrs. E. C. Van Dyke 1928-7-10 s.n. Riverside Near Idyllwild Comment
  CAS-BOT-BC222693  Eriodictyon trichocalyx Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  CAS-BOT-BC219331  Eriodictyon trichocalyx var. trichocalyx Victor Duran 1933-7-1 3489 Riverside Near Santa Rosa, Santa Rosa Mts. 1676 Comment
  RSA0065642  Eriodictyon trichocalyx var. trichocalyx Cheryl Sevilla, Sarah J. De Groot 2015-3-17 36 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
  CAS-BOT-BC248631  Eriogonum apiculatum James L. Reveal; Caroline G. Reveal 1972-8-9 2860 Riverside San Jacinto Mountains, along California Highway 243, 4.2 miles north-northwest of Idyllwild, 8.7 miles north of the junction with Highway 74, and 1.2 miles south of Alandale Ranger Station Comment
  RSA78305  Eriogonum apiculatum P. A. Munz, E. K. Balls 1952-8-21 17975 Riverside Santa Rosa Spring, Santa Rosa Mts. 2134 Comment
  UCR140902  Eriogonum baileyi var. baileyi 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
  RSA666776  Eriogonum davidsonii George K. Helmkamp, E. A. Helmkamp 1998-6-27 4073 Riverside Garner Valley, along Hwy 74 at Morris Ranch Rd. 1372 Comment
  UC534918  Eriogonum davidsonii Susan G. Stokes 1933-7-1 76 Riverside road to Idyllwild Comment
  UCR106735  Eriogonum davidsonii John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  RSA0018889  Eriogonum deflexum Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6025 Riverside Chuckwalla Valley; approximately 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well. 107 Comment
  UC66494  Eriogonum deflexum var. deflexum E. E. Schellenger 1904-10-19 5 Riverside Chucawalla Bench Colorado Desert, Chucawalla Bench Comment
  RSA393519  Eriogonum elongatum N. C. Cooper 1943-9-26 930 Riverside Cabazon. 549 Comment
  SBBG62044  Eriogonum fasciculatum var. fasciculatum R. Hoffmann 1929-9-9 Riverside Temecula Grade Comment
  RSA192061  Eriogonum fasciculatum var. foliolosum E. W. Lathrop 1959-4-17 4480 Riverside 14 miles west of Murrieta. Tenaja Plateau. West slope of Redonda Mesa. Comment
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Apr 28 2011
  RSA393431  Eriogonum fasciculatum var. foliolosum M. M. Thompson 1947-4-21 C 2058 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  UC85799  Eriogonum fasciculatum var. foliolosum J. W. Toumey 1894-9-27 Riverside Banning Comment
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Mar 13 2011
  UCR141248  Eriogonum fasciculatum var. foliolosum A. C. Sanders, Kelly Volansky 2004-10-6 28816 Riverside Santa Ana Mtns./Santa Rosa Plateau, 41050 Avenida La Cresta, south of Sierra Maria Rd. and c. 1.5 mi. north of Tenaja Rd., c. 2 miles NW of the Mesa de Colorado 671 Comment
  JOTR16811  Eriogonum fasciculatum var. polifolium Baker, James K. & Baker, Ilisa T. 1966-6-17 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS Comment
  OBI62134  Eriogonum fasciculatum var. polifolium P. A. Holden 1969-5-13 847 Riverside SE of the Mission Crk Indian Rservation and 2 mi W of hwy 62 Comment
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Apr 22 2013
  POM178582  Eriogonum fasciculatum var. polifolium Marcus E. Jones 1930-3-15 s.n. Riverside Eagle Mountains. Comment
  UCR95947  Eriogonum fasciculatum var. polifolium Scott D. White 1996-8-1 4338 Riverside San Jacinto Mtns., Idyllwild area: north of Strawberry Valley, between Bear Trap Canyon and Lily Creek 1616 Comment
  CAS-BOT-BC253496  Eriogonum gracile James L. Reveal; C. Rose Broome 1987-6-27 6602 Riverside Along the road to Dunkel Spring (Esperanza Avenue) southeast of Cabazon in the riverbed of the San Gorgonio River, San Gorgonio Pass 541 Comment
  SEINET9037371 Image available Eriogonum gracile M. Denslow, Firoozeh Navid- Ara, Valerie Soza 2003-7-16 1456 Riverside Santa Rosa Mountains, at junction of Road 7S02 and 74, just west of Rarick Spring 1479 Comment
  UCR242658  Eriogonum gracile A. C. Sanders 2013-7-7 40859 Riverside Peninsular Range; San Jacinto Mountains, near central Idyllwild, west side of Hwy 243 at road junction to Astrocamp (Saunders Meadow Rd.) and 0.15 km NE of Tollgate Rd. junction 1596 Comment
  POM12413  Eriogonum gracile var. incultum P. A. Munz 1922-9-6 6361 Riverside North of Dark Canyon. 1524 Comment
  RSA784743  Eriogonum inflatum Duncan S. Bell 2012-2-12 3088 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  RSA393586  Eriogonum inflatum var. inflatum Robert M. Perkins, H. de Forest 1937-3-15 s.n. Riverside Rice to Desert Center. 122 Comment
  UC1018185  Eriogonum inflatum var. inflatum J. Warren 1952-4-6 Riverside Palm Springs 457 Comment
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Apr 20 2013
  RSA78727  Eriogonum maculatum P. A. Munz 1952-4-15 17344 Riverside Wash ca. 3 mi. west of Monument Peak, Joshua Tree National Monument 1128 Comment
  RSA144222  Eriogonum mohavense William M. Klein 1960-8-22 1588 Riverside North of Idyllwild along trail to Suicide Rock and Mt. San Jacinto, San Jacinto Mountains. Comment
  JEPS56712  Eriogonum molestum Marjorie D. Clary 1932-7-4 995 Riverside Vandeventer Flats San Jacinto Mts., Vandeventer Flats 1341 Comment
  UCR106334  Eriogonum nudum var. pauciflorum John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  RSA698445  Eriogonum pusillum J. R. Bruff 1928-4-2 85 Riverside Whitewater. Comment
  UC77632  Eriogonum reniforme C. R. Orcutt 1889-4-1 Riverside Colorado Desert Comment
  CLARK-A1528-746  Eriogonum thomasii Charlotte Stocks 1963-3-21 Riverside Coachella Comment
  RSA64578B  Eriogonum thomasii F. W. Peirson 1914-04 1737 Riverside Whitewater, west end of Coachella Valley. Comment
  RSA766144  Eriogonum thomasii F. W. Peirson 1930-3-29 1897 Riverside Painted Canyon Comment
  SEINET3087900 Image available Eriogonum thomasii George K. Helmkamp 1995-3-16 Riverside W of Rice Rd. 10.3 miles NE of Desert Center. On alluvial fan below rocky slopes of Coxcomb Mtns. Common. [UTN 10 km cell: PH-5E 4N. Coxcomb (S)] 198 Comment
  UCR233170A  Eriogonum thomasii Jim Andre, Glenn L. Clifton 2011-2-22 17441 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  RSA424933  Eriogonum thurberi T. W. Minthorn 1926-5-14 s.n. Riverside Near Banning. Comment
  CAS-BOT-BC263602  Eriogonum trichopes Alice Eastwood 1913-4-30 3050 Riverside Palm Springs Comment
  CAS-BOT-BC264927  Eriogonum wrightii var. membranaceum Philip A. Munz 1946-10-19 11565 Riverside Coahuila 1097 Comment
  POM204399  Eriogonum wrightii var. membranaceum F. M. Reed 1934-9-26 8973 Riverside San Jacinto Mountains. 1341 Comment
  SFV20148  Eriogonum wrightii var. membranaceum J. N. Hogue, S. G. Hogue, J. M. Wrublik 2005-9-4 261 .2 Riverside Santa Rosa Mountains Garnet Queen Creek at Santa Rosa Mountain Truck Trail (=USFS Road 7S02). 4.8 miles from Highway 74. 1865 Comment
  UC56365  Eriogonum wrightii var. membranaceum J. Vandeventer 1903-1 16 Riverside San Jacinto Mts. Comment
  RSA615117  Eriogonum wrightii var. nodosum A. C. Sanders, P. Mackay 1994-10-23 15845 Riverside Whitewater River canyon, between the trout hatchery and Bonnie Bell. 780 Comment
  CDA21219  Erioneuron pulchellum G. F. Hrusa, J. A. Hart 1993-4-4 10595 Riverside Cholla Garden, Joshua Tree N.M. Comment
  CAS-BOT-BC297344  Eriophyllum confertiflorum Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  OBI16503  Eriophyllum confertiflorum Dieter H. Wilken 1965-6-29 322 Riverside Poppet Flat along County rte 1, San Jacinto Mtns 1372 Comment
  RSA124433  Eriophyllum confertiflorum Percy C. Everett 1958-5-4 23081 Riverside Morongo Pass, 7.6 mi. N along road to 29 Palms from U.S. Hwy 60/70. 671 Comment
  SD63343  Eriophyllum confertiflorum Walter Bertsch 1957-6-29 956 Riverside Desert slope of Toro Peak, Santa Rosa Mountains 2440 Comment
  CHSC89857  Eriophyllum confertiflorum var. confertiflorum L. P. Janeway 2004-5-8 8068 Riverside Peninsular Ranges. Santa Ana Mountains, Los Alamos Canyon near mouth of Wildhorse Canyon, where Wildomar Road crosses the creek. On steep northwest-facing slope above the road, bottom of the canyon. 421 Comment
  CAS-BOT-BC301789  Eriophyllum multicaule Marcus E. Jones 1882-4-25 3173 Riverside San Jacinto Comment
  POM8304  Eriophyllum multicaule P. A. Munz, R. D. Harwood 1920-3-20 3386 Riverside Temescal Canyon. 366 Comment
  UCR249827  Eriophyllum multicaule T. B. Salvato, John Lovio 2013-3-19 7366 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  UCR92384  Eriophyllum multicaule F. M. Reed 1930-4-8 6860 Riverside San Bernardino Mtns., Whitewater Canyon 610 Comment
  CLARK-A1528-4856  Erodium moschatum John C. Roos 1937-5-2 1402 Riverside Riverside Comment
  RSA198975  Eryngium aristulatum var. parishii R. F. Thorne, E. Lathrop, P. A. Munz 1968-5-8 37572 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California 671 Comment
  SEINET10575508  Erysimum capitatum David B. Dunn 1946-8-17 Dunn 2700 Riverside On trail to Taquity from Taquity Valley campground. On dry hillside among braken fern. San Jacinto Mountains. 2499 Comment
  SD137604  Erythranthe cardinalis Darin L. Banks, Victor Steinman 1995-7-10 751 Riverside NW Palomar Mountains: Agua Tibia Mountains; Cleveland National Forest; along the Wildhorse Trail, S of Lower Arroyo Seco, NW of Wildhorse Peak, drainage NW flank of Wildhorse Peak 609 Comment
  CAS-BOT-BC151589  Erythranthe parishii Louis B. Ziegler 1969-6-12 s.n. Riverside Hemet Valley, San Jacinto Mts. 1432 Comment
  CAS-BOT-BC402623  Eschscholzia caespitosa Sears 1978-3-18 925 Riverside 3 mi. E. of Corn Spring, 9 mi SE of Desert Center 365 Comment
  POM158460  Eschscholzia californica var. peninsularis P. A. Munz 1927-5-21 10869 Riverside Coahuila. Comment
  JEPS21007  Eschscholzia minutiflora H. M. Hall May 17 1901-Jun 1 1901 1804 Riverside from Riverside to Santa Rosa Peak and Palomar Comment
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Nov 27 2011
  RSA445667  Eschscholzia minutiflora N. C. Cooper 1949-4-8 3243 Riverside Mecca Pass east of Indio. 610 Comment
  RSA771518  Eschscholzia minutiflora Keith E. Hoffmaster 1935-3-31 564 Riverside Palm Springs. Comment
  RSA771692  Eschscholzia minutiflora Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4688 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
  UCR30089  Eschscholzia minutiflora George K. Helmkamp 1983-4-5 483- 35 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  RSA0011218  Eschscholzia minutiflora Richard Snow 1953-4-5 51 a Riverside Box Canyon. Comment
  JOTR35346  Eschscholzia papastillii Harding, Mitzi, Mark Wheeler 2012-2-28 113 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; large northeast flowing canyon (Stop 5) 268 Comment
  CAS-BOT-BC419634  Eschscholzia parishii W. R. Ernst 1960-3-15 720 Riverside East of Indio on Highway 60-70, about 6 miles west of Cactus City Comment
  UC1595704  Eschscholzia parishii W. Wisura, J. Dolan, and M. Wall 1992-3-24 4627 Riverside 10 mi ne Mecca (on Box Canyon Rd.); Lowdesert Comment
  UCR114123  Eschscholzia parishii B. G. Pitzer, J. Ross 1998-3-8 3616 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  UCR60442  Eschscholzia parishii R. F. Thorne 1973-3-30 42661 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
  UCR260594  Eucalyptus A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-3 41554 Riverside Peninsular Range, Eastern Foot of the Santa Ana Mtns., Temescal Valley just below I-15 bridge near Hostettler Road, SE of Lee (Corona) Lake, south side of I-15, 2.17 km west of Lake St. at Alberhill 363 Comment
  OBI68205  Eucalyptus camaldulensis Jenn Yost & Matt Ritter, Matt Ritter 2007-10-18 322 Riverside Growing in the UC Riverside Arboretum Comment
  CSUSB862  Eucalyptus tereticornis Eugene Cardiff 1954-5-17 Riverside Pigeon Pass Comment
  RSA612493  Eucrypta chrysanthemifolia D. L. Banks 1997-2-23 1324 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  UCR165411  Eucrypta chrysanthemifolia A. C. Sanders 2005-4-21 29579 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  RSA703406  Eucrypta chrysanthemifolia var. bipinnatifida LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1458 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  UC68785  Eucrypta micrantha H. M. Hall Apr 1905 5799 Riverside 10 mi w Coachella; Colorado Desert 91 Comment
  UCR137040  Euphorbia albomarginata A. C. Sanders 2004-5-5 27755 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  RSA770645  Euphorbia crenulata R. F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 51996 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  RSA0041458  Euphorbia eriantha Duncan S. Bell, LeRoy Gross 2014-3-20 6275 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  RSA518272  Euphorbia eriantha A. C. Sanders 1989-9-19 9499 Riverside Chocolate Mtns Aerial Gunnery Range, 1.75 km S of Tabaseca Tank, along the wash above ''Tabaseca Target. 680 Comment
  UCR194233  Euphorbia lathyris Scott D. White, J. Wood 2006-9-13 11644 Riverside Perris Basin/San Jacinto Mtn Foothills, Gibbel Flat in the Santa Rosa Hills 671 Comment
  OBI14370  Euphorbia micromera Robert F. Hoover 1966-10-15 10154 Riverside Dead Indian Creek Wash, S of Palm Desert Comment
  UCR214124  Euphorbia polycarpa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37732 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  SEINET10493487  Euphorbia polycarpa David B. Dunn Dunn 2050 Riverside Collected on dry plateau in vicinity of Pushawalla Canyon, Indio Hills. Comment
  RSA432471A  Euphorbia polycarpa var. hirtella N. C. Cooper 1936-1 2160 Riverside 17 Palms. -30 Comment
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Mar 16 2014
  OBI14390  Euphorbia setiloba Robert F. Hoover 1966-10-15 10166 Riverside Dead Indian Cyn Comment
  RSA356726  Euphorbia spathulata R. F. Thorne, E. W. Lathrop 1975-5-25 45555 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 609 Comment
  RSA515307  Euphorbia spathulata Jeri Hirshberg 1989-4-11 s.n Riverside Santa Rosa Plateau, S of town of Murrieta, Cole Canyon, NW of Mesa de Burro, at head of canyon. 609 Comment
  RSA524589  Euphorbia spathulata Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3903 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  SEINET10741473  Eustoma exaltatum J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12840 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then a few kilometers on Whitewater Canyon Road to where it comes closest to the river. Comment
  CAS-BOT-BC167372  Fagonia laevis Roxana S. Ferris 1939-3-29 9708 Riverside Between Hayfields Reservoir and Desert Center, Indio-Blythe Highway Comment
  CAS-BOT-BC171041  Fagonia laevis Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13236 Riverside In wash arising in Big Maria Mts., Highway U.S. 95, 11.3 mi. N of Blythe Comment
  NY43266  Fagonia laevis C. R. Annable 1995-3-15 2279 Riverside 2.7km SW of Valerie, on road to Martinez Canyon Comment
  RSA681032  Fagonia laevis Scott D. White, Michael Honer 2003-5-14 9262 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  UCR85246  Fagonia laevis A. C. Sanders, P. J. MacKay, M. Jacobsmeyer, et al. 1995-3-5 15985 Riverside Sonoran (Colorado) Desert, Orocopia Mtns, Maniobra Valley, 1.6-3 mi. south of frontage road (old Hwy 60) along Interstate 10, S to edge of BLM wilderness 610 Comment
  RSA776178  Fagonia laevis Amber Swanson 2011-3-19 243 Riverside Off Red Cloud Rd in the Chuckwalla Mtns. 586 Comment
  UCR25380  Fagonia pachyacantha John C. Roos, Lucille Roos 1949-4-6 4146 Riverside Sonoran (Colorado) Desert, Canyon in the Orocopia Mountains, 2.5 mi. NE of Dos Palmas Spring 152 Comment
  VVC517  Fagonia pachyacantha A. C. Sanders, J. Mac 1995-3-12 16083 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  UCR174343  Festuca microstachys A. C. Sanders 2006-5-19 32384 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
  UCR22057  Festuca microstachys Steve Boyd 1980-4-13 121 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  UCR59666  Festuca myuros Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2920 Riverside Peninsular Range, Vail Lake area, Temecula Creek Canyon, just below Vail Lake Dam. 488 Comment
  RSA339654  Filago californica R. F. Thorne, C. W. Tilforth 1980-5-28 54230 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  RSA519123  Filago californica N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 175 Riverside Oasis de Los Osos Preserve, off Snow Creek Canyon at the N ft of the San Jacinto Mountains, 1 mi W of Snow Creek Village. 488 Comment
  UCR48530  Filago californica Steve Boyd 1986-4-19 1695 Riverside Peninsular Range, Temescal Canyon, east side of Indian wash between I-15 and Temescal Canyon Road 351 Comment
  UCR177862  Filago depressa Marisa Sripracha, K. A. Boyd 2004-3-21 044 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  UCR31848  Flaveria trinervia A. C. Sanders 1981-10-31 2392 Riverside McKinley St. between Riverside & Corona, 0.3 mi north of Hwy 91 & c. 100 yards west of McKinley 305 Comment
  RSA621905  Foeniculum vulgare Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3223 Riverside Vail Lake area, riparian woodland area at N end of Kolb Creek, near campground. 457 Comment
  CAS-BOT-BC384201  Forestiera pubescens subsp. parvifolia B. D. Stark 1930-3-17 1486 -a Riverside Cajalco District Comment
  RSA788977  Fouquieria splendens Aaron C. Sedgwick, David Fraker 2012-3-28 36 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  SBBG4773  Fouquieria splendens H. and M. Dearing 1942-4-5 4861 Riverside Colorado River and Riverside Mtns Comment
  UCSB4143  Fouquieria splendens Philbrick, Ralph 1953-6-15 Riverside Joshua Tree National Monument near Salton Sea Comment
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Oct 22 2014
  JEPS45714  Fouquieria splendens subsp. splendens W. L. Jepson 1912-10-30 5251 Riverside Black Point; Riverside Mts., Colorado River Comment
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Nov 9 2014
  UCR16771  Fragaria vesca subsp. californica Ed West 1972-5-5 07 Riverside San Jacinto Mtns, 17.4 mi from Banning on the Palms-to-Pines Hwy [Hwy 243], beside Fuller Mill Creek 1707 Comment
  RSA0018453  Frangula californica subsp. cuspidata Scott D. White 1996-8-16 4485 Riverside Idyllwild area: SW of Pine Cove and W of Bear Trap Canyon, in watershed above Alvin Meadows (tributary to Toll Rd. Canyon). 1707 Comment
  UCR133662  Frankenia salina Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR235057  Frankenia salina A. C. Sanders, John F. Green 2012-5-27 40203 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River north of Canyon Lake, between Hwy 74 and Goetz Rd. 428 Comment
  UCR261268  Frankenia salina A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-19 41725 Riverside Elsinore Trough, north of Elsinore along a dirt road west of Baker St., behind house on hill at 17401 Baker St. 388 Comment
  RSA515342  Fraxinus dipetala Jeri Hirshberg 1989-5-9 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta, mouth of Miller Canyon, N of Mesa de Burro. 351 Comment
  RSA717478  Fraxinus velutina A. C. Sanders, O. F. Clarke 1991-6-10 11134 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  RSA192339  Fraxinus velutina var. coriacea E. W. Lathrop 1966-3-2 6048 Riverside 12 miles NW of Murrieta, Skyline Drive Road at junction of Wildomar and Los Alamos truck trails 878 Comment
  RSA458584  Funastrum cynanchoides var. hartwegii Christopher Davidson, B. Gustafson 1977-4-7 5595 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. 610 Comment
  UCR260957  Funastrum cynanchoides var. hartwegii Duncan S. Bell 2013-1-30 4442 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
  SEINET10580661  Funastrum hartwegii Philip A. Munz 1932-4-24 Munz 12397 Riverside Snow Creek Canyon, San Jacinto Mts. 457 Comment
  SD255073  Funastrum heterophyllum R. F. Thorne, W. Wisura 1977-9-17 50765 Riverside San Jacinto Mountain: Chino Canyon along road to tramway. Comment
  POM259736  Funastrum hirtellum E. C. Jaeger 1939-12-29 s.n. Riverside Eytel canon branching from Fargo Canon 5 mi. east Indio. 244 Comment
  UC1618025  Galium andrewsii Donald G. Nelson 1936-5-22 386 Riverside on the Pines-to-Palms Hwy. at Ribbonwood Camp (San Jacinto Mts.); San Jacinto Mts. Comment
  UCR195705  Galium angustifolium A. C. Sanders, Tim Thomas 2008-8-1 35937 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1448 Comment
  UCR230923  Galium angustifolium T. B. Salvato, Richard Camacho 2011-6-12 5476 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
  UCR116892  Galium angustifolium subsp. angustifolium A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24207 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  UCR123869  Galium angustifolium subsp. gracillimum Steven R. Hill 2001-5-3 33675 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
  SEINET1909898  Galium aparine T. B. Salvato, John F. Green 2004-1 555 Riverside San Bernardino Mtns head of Banning (San Gorgonio River) Canyon close to the San Berardino Co. line, 1 mi. SE of Ok conservation Camp. (Forest Falls Q.) 1341 Comment
  UCR214331  Galium aparine A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38370 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  JOTR32839  Galium multiflorum La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1481 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; granitic bouldery slopes above wash 1260 Comment
  RSA674614  Galium porrigens var. porrigens Scott D. White 2000-8-5 8105 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  UCR88574  Gamochaeta stagnalis A. C. Sanders, J. C. Lyman 1995-4-16 16566 Riverside San Bernardino Valley, Glen Avon: sand dune area on N slope of the Jurupa Hills (draining toward Fontana), Pyrite St. Canyon 335 Comment
  CAS-BOT-BC178387  Garrya flavescens Marian L. Campbell 1921-3-22 21 Riverside Foothills near Yucaipa on road to Redlands Comment
  UC484104  Garrya veatchii B. D. Stark 1930-3-18 Riverside Mt. San Jacinto Comment
  CAS-BOT-BC303584  Geraea canescens Mrs. Robert Campbell 1921-11-26 5 Riverside Between Palm Springs and Indian Wells Comment
  JEPS59915  Geraea canescens Lewis S. Rose 1967-12-20 67183 Riverside 6 mi se of Thousand Palms 15 Comment
  POM358671  Geraea canescens A. Menke 1955-4-26 s.n. Riverside Indian Wells Comment
  RSA80970  Geraea canescens G. R. Campbell 1952-4-6 18419 Riverside Box Canyon, road leading from Hwy 60-70 to Salton Sea. 457 Comment
  UC1010414  Geraea canescens Alice Yates and Jas. E. Wilcox 1952-4-4 7 Riverside between Mecca and Desert Hot Springs 0 Comment
  UCR103320  Geraea canescens George K. Helmkamp, E. A. Helmkamp 1998-2-5 2650 Riverside Sonoran (Colorado) Desert, Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  UCR16869  Geraea canescens P. A. Rauch 1966-2-19 s.n. Riverside Western Colorado Desert, 2 mi east of 1000 Palms Canyon at dirt road to Hidden Springs Ranch 61 Comment
  UCR90169  Geraea canescens R. W. Scora 1966-4-1 3015 Riverside Sonoran (Colorado) Desert, Coachella Valley, 3-4 km east of Thousand Palms on Ramon Road; near Hidden Spring Oasis 60 Comment
  SEINET10726154  Geraea canescens David B. Dunn 1948-3-14 Dunn 3765 Riverside Found 5 miles west of Thousand Palms. Comment
  UCR43784  Geranium dissectum R. F. Thorne, W. Wisura, E. W. Lathrop, S. Meury 1985-5-18 60636 Riverside Peninsular Ranges/Santa Ana Mtns, Santa Rosa Plateau: along seasonal stream in Cole Canyon, near entrance to the Nature Conservancy Reserve 534 Comment
  POM10411  Geranium richardsonii Anonymous 1903-07 s.n. Riverside Strawberry Valley. [county not specified] Comment
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Nov 26 2016
  UCR163081  Gilia B. G. Pitzer 2000-5-7 4140 Riverside Sonoran (Colorado) Desert, extreme north end of Orocopia Mountains, Shavers Valley, at base of hills c. 0.5 mi. SE of Box Canyon Road. 341 Comment
  RSA659510  Gilia angelensis J. C. Roos, L. Roos 1954-4-17 6069 Riverside Pass at summit of Reche Canyon. 732 Comment
  SEINET7073305  Gilia angelensis A. G. Vestal 1963-4-27 s.n. Riverside Santa Gertrudis Wash southeast of Murrieta Hot Springs. Coordinate datum: NAD27. Comment
  UCR126366  Gilia angelensis A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 694 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR59665  Gilia angelensis Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2927 Riverside Peninsular Range, Vail Lake area, Temecula Creek Canyon, just below Vail Lake Dam. 488 Comment
  SEINET6046694  Gilia capitata Unknown 1945-5-24 1625 Riverside Big Oaks Canyon, Banning. Roadside. Comment
  RSA633321  Gilia capitata subsp. abrotanifolia R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38081 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  UC60876  Gilia capitata subsp. abrotanifolia H. M. Hall Apr., 1903 3844 Riverside Morena Valley Comment
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Jul 6 2010
  UCR259197  Gilia diegensis Mitch Provance, Jeremiah George 2012-4-24 412- 02 Riverside San Gorgonio Pass, Smith Creek SW of Banning, west of the west end of Bobcat Rd. 734 Comment
  UC68704  Gilia latifolia H. M. Hall Apr., 1905 5791 Riverside 8 mi w Coachella; Colorado Desert, w of Coachella 30 Comment
  UCR154456  Gilia ochroleuca Jason L. Hlebakos 2005-5-30 805 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  UCR168684  Gilia ochroleuca T. B. Salvato, John F. Green 2004-5-27 587 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
  CAS-BOT-BC407614  Gilia ochroleuca subsp. exilis A. C. Sanders 1994-5-29 14567 Riverside San Bernardino Mountains: lower Millard Canyon, at first stream crossing on FS Road 2S05. 850 Comment
  CAS-BOT-BC407802  Gilia ochroleuca subsp. exilis Steve Boyd 1986-4-22 1755 Riverside Temescal Canyon: Stable alluvial benches of Indian wash just S of I-15. Comment
  RSA0017289  Gilia ochroleuca subsp. exilis Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  RSA0116979  Gilia scopulorum Duncan S. Bell 2010-3-20 601 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  RSA23227  Gilia stellata Ernest Braunton 1940-4-3 2018 Riverside Berdoo Canyon, 10 mi. E. of Indio. 304 Comment
  RSA357773  Gilia stellata R. F. Thorne, M. Z. Thorne 1973-3-30 42592 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  RSA67047  Gilia stellata Verne Grant, Alva Grant 1951-4-7 15986 Riverside Below Morongo Valley on road to White Water 732 Comment
  SJSU8425  Gilia stellata G. B. Youngberg 1956-3-28 199 Riverside Palm Canyon near Palm Springs 137 Comment
  UCR41548  Gilia stellata A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6084 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  CAS-BOT-BC266504  Githopsis diffusa John Thomas Howell 1931-5-30 6593 Riverside Santiago Peak Trail, Santa Ana Mountains Comment
  UCR110382  Glinus lotoides A. C. Sanders, Mitch Provance 1999-9-26 23111 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  UCR178206  Glyceria declinata T. B. Salvato, Tracy Tennant 1998-4-23 MOR- 905 Riverside San Bernardino Mtns., Morongo Indian Reservation, seep in Wood Canyon, tree stand W-07 1220 Comment
  RSA562490  Gnaphalium californicum Steve Boyd, Tim Ross 1992-5-5 7246 Riverside Southern Santa Ana mountains, San Mateo Canyon Wilderness Area. Isolated grassland area south Oak Flats, southwest of the Bluewater Trail 732 Comment
  UCR3183  Gnaphalium californicum Chuck Elliott 1964-5-7 s.n. Riverside Riverside, 1 mi past end of Canyon Crest Road west. 305 Comment
  CHSC110686  Gnaphalium palustre Dean Wm. Taylor 2003-5-7 18536 Riverside 2 miles northeast of Romoland, near the intersection of Mapes Road and Menifee Road. 457 Comment
  RSA557341  Gnaphalium palustre Julie Greene 1993-5-12 1313 Riverside North side of San Jacinto River levee, west of Davis Road. 433 Comment
  UC219266  Gnaphalium palustre P. A. Munz and I. M. Johnston 1922-5-19 5371 Riverside Menifee Valley Southern California, Menifee Valley 411 Comment
  UCR172230  Gnaphalium palustre John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County; along San Diego Aqueduct right of way between Benton Road and the obvious drainage to the south 412 Comment
  RSA643677  Gnaphalium stramineum A. C. Sanders, J. C. Lyman 1995-4-16 16565 Riverside Glen Avon: sand dune area on the N slope of the Jurupa Hills (draining toward Fontana), Pyrite St. Canyon. 335 Comment
  JOTR16683  Grayia spinosa Walters, Jim 1967-4-30 s.n. Riverside Joshua Tree National Park. HIDDEN VALLEY 1280 Comment
  CAS-BOT-BC304637  Gutierrezia californica Louis C. Wheeler 1933-12-1 2293 Riverside Mouth of Tahquitz Canyon, San Jacinto Mts. 152 Comment
  UC1929340  Gutierrezia californica Scott D. White, Angelia Carey 2004-7-2 10586 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. Comment
  UCR133678  Gutierrezia californica 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
  CHSC84681  Gutierrezia microcephala John Dittes 2002-1-4 2 46 C Riverside Mojave Desert; Pinto Mountains, ca. 10 air-miles south of Twentynine Palms, 0.3 mile south of White Tank Campground. 1173 Comment
  POM359227  Gutierrezia sarothrae N. C. Cooper 1943-9-11 912 Riverside Below Idlewild. 915 Comment
  POM42117  Gutierrezia sarothrae Marcus E. Jones 1900-7-13 s.n. Riverside Elsinore Comment
  RSA0104641  Gutierrezia sarothrae Duncan S. Bell 2014-11-14 7728 Riverside Santa Rosa Mountains; in the Santa Rosa Wilderness area; west side of Martinez Mountain; collecting at Cactus Spring. 1292 Comment
  UCR163991  Haplopappus squarrosus John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, 2 miles NE of Squaw Mountain 640 Comment
  SEINET3242791 Image available Harpagonella palmeri Steve Boyd 1986-1 1767 Riverside Temescal Canyon: Terrace escarpment E side of Indian Wash, S of I-15. Comment
  UC217889  Harpagonella palmeri P. A. Munz and I. M. Johnston 1922-5-19 5335 a Riverside 5 mi ne Murietta 457 Comment
  UCR102848  Harpagonella palmeri A. C. Sanders 1997-3-26 20128 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  UCR217521  Harpagonella palmeri Rose Cook, Ana Hernandez 2010-4-15 03 Riverside Perris-Aguanga Basin, South of west end of Lake Matthews. 268m south of Cajalco Road, 460 m southeast of Cajalco Road/ La Sierra Avenue intersection 426 Comment
  UCR112991  Hedypnois cretica Mitch Provance 1999-5-4 1681 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  CAS-BOT-BC211540  Helianthemum scoparium John Thomas Howell 1931-5-30 6599 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  UCR48417  Helianthemum scoparium var. aldersonii Steve Boyd 1986-4-22 1745 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  RSA701470  Helianthus annuus Michael Wall 1996-7-6 193 Riverside San jacinto Valley, W side of Ramona Expressway n swale, 0.75 mi SE of Sanderson Ave. Comment
  CAS-BOT-BC305706  Helianthus gracilentus Peter H. Raven; Sidney R. Snow 1956-6-30 9525 Riverside 2.5 miles from Alberhill on road to Elsinore Comment
  RSA701121  Helianthus gracilentus Michael Wall 1996-7-1 166 Riverside Cherry Valley, Beaumont/Oak Glen Rd, 2.6 mi N of Cherry Vly Blvd, top of steep E slope of Little San Gorgonio Creek. Comment
  UCR140718  Helianthus gracilentus A. C. Sanders 2004-5-12 27889 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  UCSB9945  Helianthus nuttallii Philbrick, Ralph 1954-10-24 Riverside Four miles south of Chino Institute 213 Comment
  JEPS35472  Helianthus petiolaris subsp. canescens W. L. Jepson 1914-5-23 6057 Riverside Coachella Desert Comment
  RSA356648  Heliotropium curassavicum var. oculatum R. F. Thorne 1975-8-29 47310 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 609 Comment
  SDSU4752  Hemizonella minima D. F. Howe 1941-6-8 1110 Riverside San Jacinto Mts. 1829 Comment
  RSA781959  Hemizonia fasciculata A. C. Sanders 1997-5-1 20625 Riverside Along horse trail in southern part of Lake Skinner Park, west of Tucalota Hills and east of Warren Rd. 488 Comment
  POM49130  Hemizonia kelloggii Mary F. Spencer 1919-6-17 1192 Riverside Near San Jacinto 304 Comment
  RSA717681  Hemizonia kelloggii A. C. Sanders 2004-5-5 27786 Riverside Gavilan Hills; route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, ca. 0.25 mi. NNW of Harford Spring, ca. 1.2 mi. NE of Gavilan Peak 579 Comment
  UCR135989  Hemizonia kelloggii Virginia Moran 2003-7-17 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
  UCR176181  Hemizonia kelloggii Amber Bruno 2005-6-7 53 Riverside Riverside; east side of UC Riverside, east end of Big Springs Rd. on north side of road, 0.25 mi. east of Watkins Dr. but west of the railroad track, Islander Park 351 Comment
  UCR211882  Hemizonia mohavensis Valerie Soza, Steve Boyd, Neil Gilbert 2000-12-6 1068 B Riverside Peninsular Range; San jacinto Mountains, Keen Camp Road, east of Hwy 74, west of entrance gate to Camp Tahquitz Meadows 1402 Comment
  UCR82814  Hemizonia mohavensis A. C. Sanders, T. Schram, D. Wappler 1994-10-4 15771 Riverside San Jacinto Mountains, N slope of the mountains; Brown Creek drainage 0.3-0.5 mi. above confluence with Twin Pines Cr. 915 Comment
  CLARK-A1528-240  Hemizonia pungens Ruth Cooper 1941-6-8 77 K Riverside Menifee Valley Comment
  SDSU13565  Heteromeles arbutifolia W. Miller with C. Mosse 1972-7-12 Riverside Comment
  UCR113181  Heterotheca grandiflora A. C. Sanders 1998-1-15 21640 Riverside Lake Skinner area, along old Rawson Rd. just north of Crown Valley, above Diamond Valley at waterline of proposed reservoir 518 Comment
  POM9845  Heterotheca horrida subsp. cinerascens E. C. Jaeger 1921-11-15 s.n. Riverside Morongo Pass Comment
  UCR193883  Heterotheca sessiliflora A. C. Sanders 2008-7-25 35894 Riverside Peninsular Range; San Jacinto Mtns., May Valley, Bonita Vista Rd. near May Valley Rd. 1547 Comment
  RSA1640436A  Heterotheca sessiliflora subsp. fastigiata J. D. Olmsted 1959-8-18 801 Riverside May Valley Truck trail at crest W of S ridge of Tahquitz Peak, SE of Desert Sun School, Idyllwild, alt 5800ft. San Jacinto Mts, 1768 Comment
  UCR23812  Heterotheca subaxillaris John C. Roos 1965-9-26 s.n. Riverside Sonoran (Colorado) Desert, 2 mi south of Jackson St., Indio Comment
  RSA0063012  Heuchera elegans Robert Kessler 1920-1 s.n. Riverside San Jacinto Mts. Comment
  CAS-BOT-BC203348  Hibiscus denudatus Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mt. San Jacinto Comment
  RSA676053  Hibiscus denudatus Scott D. White 2001-4-3 8261 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  POM48499  Hieracium albiflorum Mary F. Spencer 1919-7-5 1343 Riverside Open woods, San Jacinto Mts. 1646 Comment
  POM48031  Hieracium horridum P. A. Munz, I. M. Johnston 1924-7-27 8740 Riverside Dark Canyon, San Jacinto Mountains. 2287 Comment
  SBBG66337  Hieracium horridum R. Hoffmann 1929-9-5 Riverside Tahquitz Ridge 2438 Comment
  UCR24074  Hilaria rigida John C. Roos 1947-3-1 3298 Riverside Sonoran (Colorado) Desert, Coachella Valley, [near Thousand Palms] 8 mi. SE of Garnet 98 Comment
  UCR275476  Hilaria rigida Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 955 Riverside Sonoran (Colorado) Desert, dune system along Midland-Rice Road, south of Arica Mountains 305 Comment
  SDSU2430  Hirschfeldia incana S. J. Barnhart 1966-4-17 660417 -18 Riverside 0.1 east of McAllister St. along the Metropolitan Water Co. Utility Rd. and McAllister St. is 1.5 mi. south east of the intersection of McAllister St. and Victoria Ave. 457 Comment
  SD258922  Hoffmannseggia microphylla Sarah J. De Groot, Cheryl Sevilla 2016-3-16 7648 Riverside Mecca Hills, side road MC 093 from Little Box Canyon Road; Side canyon forking N from Little Box Canyon, E of Box Canyon;; E side of Mecca Hills, E-NE of Mecca 281 Comment
  RSA597947  Holcus lanatus F. M. Reed 1907-6-23 1434 Riverside Old abandoned field in Santa Ana River bottom above West Riverside Bridge. 244 Comment
  RSA696136  Hordeum depressum A. C. Sanders, Carolyn Washburn 2001-4-17 24040 Riverside San Jacinto Valley: southwest edge of Hemet, north of Stetson Av. midway between Warren Rd. and California Av., east of canal. 457 Comment
  RSA0085053  Hordeum glaucum Margaret Murphy 1983-4-15 0007 -A Riverside Located in the north section of parcel 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  UCR117652  Hordeum intercedens Scott D. White, M. Jacobsmeyer 1996-4-20 3964 Riverside Perris Basin, near Perris Airport; c. 100 m south of Case Road and 100 m west of the San Jacinto River Channel 433 Comment
  UCR41803  Hordeum murinum A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6035 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  UCR111573  Hordeum murinum subsp. murinum Mitch Provance 1998-7-23 912 A Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 305 Comment
  RSA575992  Hordeum vulgare Steve Boyd 1981-4-8 s.n. Riverside Gavilan Hills region; upper 'Santa Rosa Canyon' east of the Gavilan Plateau along Santa Rosa Road. 1/4 mile east of the stream crossing. 640 Comment
  CAS-BOT-BC148570  Horkelia clevelandii Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild Comment
  POM122327  Horkelia clevelandii Marcus E. Jones 1924-8-30 s.n. Riverside San Jacinto Mountains; Tahquitz trail. Comment
  CAS-BOT-BC201093  Hosackia crassifolia Carl B. Wolf 1940-7-2 9719 Riverside E. side of Santa Ana Mts. Indian Canyon Truck Trail, 1/4 mi. below main divide 1219 Comment
  RSA126701  Hulsea vestita subsp. callicarpha David Kyhos 1958-5-16 58 -187 Riverside Palms to Pines Highway, 2.5 miles W of Aguanga turnoff, San Jacinto Mts. Comment
  UC897985  Hulsea vestita subsp. callicarpha Carl B. Wolf 1932-8-5 3970 Riverside Trail from Tahquitz Valley to San Jacinto; San Jacinto Mountains 2895 Comment
  UCR114629  Hulsea vestita subsp. callicarpha G. R. Ballmer, Kay Stockwell 1995-6-25 s.n. Riverside San Jacinto Mtns, Pacific Crest Trail, near Pyramid Peak [c. 3 km (airline) SSE of Palm View Pk.--A. C. Sanders] 2134 Comment
  POM306690  Hymenoclea salsola Henry J. Ramsey, Henry J. Ramsey 1938-4-26 1692 Riverside Near Desert Center-Indio. Comment
  RSA1229  Hymenoclea salsola B. D. Stark 1930-4-1 775 Riverside Devils garden. Comment
  RSA643330  Hymenoclea salsola R. D. Goeden, D. W. Ricker 1974-3-1 s.n. Riverside Colorado Desert: Desert Center 305 Comment
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Apr 5 2011
  JOTR29276  Hymenoxys cooperi La Doux, Tasha 2005-8-17 1546 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Wonderland Wash; north of Wall Street Mill parking area 1316 Comment
  RSA5236  Hypericum androsaemum C. B. Wolf 1932-8-5 3960 Riverside On trail from Tahquitz Valley to San Jacinto Peak; head of a fork of Tahquitz Creek. San Jacinto Mountains. 2744 Comment
  RSA458247  Hypericum formosum var. scouleri L. C. Wheeler 1931-10-3 187 Riverside Strawberry Valley, San Jacinto Mountains. 1585 Comment
  CAS-BOT-BC219733  Hyptis emoryi Walter Knight; Irja Knight; Fred Klein 1968-11-17 2586 Riverside 2.8 mi. n. of junction of Bradshaw Stage Road and Imperial Gas Line Road. Access from Indio-Blythe highway via Red Cloud Road Comment
  JOTR29204  Hyptis emoryi La Doux, Tasha 2005-3-30 1206 Riverside Joshua Tree National Park. Pinto Basin; along Pinto Basin Road east of Fried Liver Wash, north of Hexie Mountains 544 Comment
  POM118341  Hyptis emoryi Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  UCD124921  Hyptis emoryi B. Pitzer 1998-1-24 3405 Riverside N foot of Chuckwalla Mts, Eagle Mtn Rd on S side of Hwy I-10, ca. 0.8 mi. S of Hwy at powerline rd, and wash directly south of road. 499 Comment
  UCSB17914  Hyptis emoryi Winn, Will 1963-2-23 Riverside Ladder Canyon, 9 miles E of Mecca, Coachella Valley 213 Comment
  UCSB5686  Hyptis emoryi Atsatt, Pete 1958-3-22 Riverside 7 miles east of Desert Center on Highway 60 & 70. Comment
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Nov 23 2014
  CAS-BOT-BC311533  Isocoma acradenia var. acradenia A. C. Sanders; S. White; C. L. Sanders 1994-10-9 15818 Riverside San Bernardino Mountains: Whitewater Cyn., 2 mi. below trout farm, above Bonnie Bell 550 Comment
  HSC100129  Isocoma menziesii Mike Lahti 2009-10-22 1501843 Riverside Banks of Temecula Creek, near downtown Temecula Comment
  UCR277518  Isocoma menziesii Mitch Provance 2012-9-13 912- 05 Riverside Badlands of Western Riverside County, Mt. Davis, +- 1.5 miles SW of Beaumont, vicinity of the microtower on David Mountain Rd. 845 Comment
  UCR222301  Isoetes howellii R. F. Thorne, E. W. Lathrop, Steve Beckstrom-Sternberg, B. Martin 1982-1 55204 Riverside Peninsular Ranges; Santa Ana Mountains, SW of Murrieta, Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached by De Luz Rd. 579 Comment
  SBBG101689  Iva axillaris S. Boyd with T. Ross 1991-6-14 6368 Riverside Warm Springs Crk at the NE end of Hogbacks Ridge, from Alamos Rd, S to confluence with Adobe Spring tributary, 2-3 mi NW of Murrieta Hot Springs Comment
  SD186089  Iva axillaris A. C. Sanders 2004-6-20 28213 Riverside Temescal Canyon, Serrano Highlands project, between Glen Ivy Hot Springs and Arcilla, northeast side of the I-15 Fwy., south of Clay Canyon Rd. 305 Comment
  RSA597055  Jepsonia parryi D. L. Banks, Lauren Raz 1996-11-5 1162 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, S of San Gabriel Church; E of a newly established firebreak along a NW-SE running ridgeline, SW of the water tank in section 34. 390 Comment
  UCR27000  Juglans californica E. W. Lathrop 1966-5-8 6419 Riverside Peninsular Range; Santa Ana Mountains, Cleveland National Forest, Hagador Canyon, Trabuco District, 3 miles SW of Corona 275 Comment
  UCD141347  Juncus balticus subsp. ater A. C. Sanders; O. F. Clarke 1991-6-10 11127 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  UCR19750  Juncus bufonius E. W. Lathrop 1966-5-11 6281 Riverside Santa Ana Mtns., Santa Rosa Plateau, 3 mi SW of Murrieta on the De Luz Road, first canyon to the right of the road 396 Comment
  UCR76178  Juncus bufonius A. C. Sanders 1993-4-5 13685 Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74 460 Comment
  RSA586303  Juncus bufonius var. bufonius Darin L. Banks, Steve Boyd 1995-5-3 214 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
  RSA500561  Juncus bufonius var. occidentalis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3597 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  RSA666859  Juncus luciensis A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 738 Riverside Mesa de Burro 610 Comment
  UCR24956  Juncus macrandrus A. C. Sanders 1980-8-23 1759 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  RSA192132  Juncus macrophyllus H. A. Zuill 1966-7-17 293 Riverside About 9 miles SW of Murrieta on the De Luz Road. Comment
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May 26 2008
  SBBG47529  Juncus macrophyllus M. B. Dunkle 1933-7-19 3667 Riverside Strawberry Valley 1706 Comment
  RSA673545  Juncus mexicanus Scott D. White, Tasha La Doux 2000-4-20 7689 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  RSA704867  Juncus mexicanus J. Russell Bruff 1934-6-19 549 Riverside Near Hemet Reservoir. Comment
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Jul 29 2010
  UC2029975  Juncus mexicanus Scott D. White, Tasha LaDoux 20 Apr 2000 7689 Riverside SOUTH OF HEMET: Gibbel Flat in the Santa Rosa Hills. Comment
  UCR24955  Juncus rugulosus A. C. Sanders 1980-7-22 1711 Riverside Peninsular Range; San Jacinto Mtns., Drainage of the N fork of the San Jacinto River, along Forest Service Road 4S02, c. 0.1 mi south of Dark Canyon campground and c. 2.5 - 3 mi north of Pine Cove 1768 Comment
  POM259178  Juncus saximontanus Phillip A. Munz 1938-8-13 15324 Riverside Cedar Spring, north base of Santa Rosa Peak. 2287 Comment
  RSA368376  Juncus torreyi S. B. Parish 1913-9-20 8619 Riverside Mecca, Salton Sink. 58 Comment
  RSA519236  Juncus xiphioides Ed LaRue 1989-4-26 s.n. Riverside 2 miles (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouth of Rice Canyon. 488 Comment
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Mar 24 2007
  CAS-BOT-BC85410  Juniperus californica Lewis S. Rose 1936-12-24 36810 Riverside San Jacinto Mts., palms to Pines Highway, 24 mi. SW. of Indio 1066 Comment
  CAS-BOT-BC85411  Juniperus californica Marcus E. Jones 1882-4-25 3175 Riverside San Jacinto Comment
  IRVC1218  Juniperus californica R. H. Whittaker, W. A. Niering 1963-5-31 SJ 116 Riverside Elks Road. Peninsular Ranges, Santa Rosa Mountains 1265 Comment
  NY21010  Juniperus californica I. W. Clokey 1935-4-17 6507 Riverside Cottonwood Springs Comment
  RSA297031  Juniperus californica John F. Emmel 1974-3-3 473 Riverside Canyon 0.5 air mile E. & ENE of peak 4416 on 1956 USGS topographic quad., N. end Coxcomb Mts. 1219 Comment
  RSA598424  Juniperus californica F. C. Vasek 1963-3-31 630331 -3 Riverside Small valley in a canyon just south of highest peak in Coxcomb Mountains. 1067 Comment
  UCR20717  Juniperus californica A. C. Sanders, S. D. Boyd 1980-5-2 1424 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  CAS-BOT-BC234594  Justicia californica Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9557 Riverside 1 mile below Cottonwood Springs Comment
  LA202782  Justicia californica D. Birindelli; 1969-3-9 266 Riverside Palm Desert 121 Comment
  SEINET10437711 Image available Justicia californica J. R. Haller 1960-4-2 1552 Riverside North side of US Highway 60-70, 1.7 miles west of the south entrance road to Joshua Tree National Monument, about 22 miles east of Indio 488 Comment
  RSA727638  Kalanchoe tubiflora A. C. Sanders 2007-1-12 33276 Riverside Riverside; UCR campus, weed in UCR Botanical Garden cactus garden 351 Comment
  RSA525429  Keckiella antirrhinoides Steve D. Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4538 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  UCR137049  Keckiella antirrhinoides A. C. Sanders 2004-5-5 27764 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  UCSB17552  Keckiella antirrhinoides Winn, Will 1963-5-4 Riverside 13.3 miles north of Lake Fillmore picnic area; Highway 1 853 Comment
  NY786515  Keckiella antirrhinoides var. antirrhinoides L. M. Shultz 1980-4-16 4022 Riverside Side canyon of Whitewater Canyon, San Bernadino Mountains 609.6 Comment
  NY786516  Keckiella antirrhinoides var. antirrhinoides G. H. True Jr. 1935-3-13 97 Riverside Mockingbird Canyon 457.2 Comment
  NY786549  Keckiella antirrhinoides var. antirrhinoides D. L. Banks 1996-5-2 931 -A Riverside Northwest Palomar Mountains; Agua Tibia Mountains; northwest foothills of Dorland Mountain; south end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along the broad alluvial benches just to the southeast of the gate to the Preserve. 448.1 Comment
  UCR44156  Keckiella antirrhinoides var. antirrhinoides A. C. Sanders, B. Pitzer 1986-4-30 6474 Riverside San Jacinto Mtns., lower Bee Canyon, 0.2 mi. above the mouth of the canyon. 610 Comment
  CLARK-A1528-4278  Keckiella cordifolia John C. Roos, Lucille Roos 1952-6-24 5786 Riverside Beaumont 731 Comment
  RSA0019435  Keckiella ternata Duncan S. Bell, Joy D. England 2010-6-7 1267 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.4 air miles southeast of junction of Highway 74 and forest service road 5S15. Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 780 Comment
  RSA293263  Keckiella ternata subsp. ternata D. C. Michener 1980-7-17 3708 Riverside Unnamed fire road from Vista Grande guard station to northeast. Disturbed sited and rock outcrops along road. 1250 Comment
  UCR3587  Kelloggia galioides Frank C. Vasek 1964-7-19 640719- 01 Riverside Peninsular Range; San Jacinto Mtns., Pine Cove Comment
  UCR26445  Kochia scoparia A. C. Sanders 1981-9-13 2344 Riverside 3 mi NW of San Jacinto on Sanderson Ave., south of the Ramona Expressway Comment
  UCR91306  Kochia scoparia Chet McGaugh 1996-4-26 s.n. Riverside San Jacinto Valley, Hemet, 0.25 mi west of State St., between Esplanade and Cottowood 465 Comment
  UCR92082  Kochia scoparia Scott D. White, S. Ogg 1994-10-17 2474 Riverside Temecula Valley, Murrieta Creek, 1000-3000 ft. south of Winchester Road bridge (Banana Avenue) 317 Comment
  SBBG114130  Krameria bicolor E. Collins 1995-4-9 Riverside Corn Springs Cmpgrd 518 Comment
  JOTR32604  Krameria erecta La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2668 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary Comment
  SEINET189444  Krameria erecta Annie M. Alexander, L Kellogg 1941-5-11 2150 Riverside Eagle Mountains Cottonwood Spring 884 Comment
  UC604869  Krameria erecta Roxana S. Ferris and Ruth P. Rossbach 1938-5-15 9560 Riverside in wash 1 mi below Cottonwood Springs; below Cottonwood Springs Comment
  UCR208897  Krameria erecta I. M. Johnston 1917-4-4 1097 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, mouth of Andreas Canyon 244 Comment
  UCR94926  Lactuca serriola Scott D. White 1996-9-22 4543 Riverside Perris Basin, Perris: Nuevo Road near intersection with Wilson Ave., west of the San Jacinto River crossing. 436 Comment
  RSA180512  Lagophylla ramosissima E. W. Lathrop 1960-5-27 5217 Riverside 6 miles west of Murrieta. Comment
  RSA68307  Lagophylla ramosissima G. R. Campbell 1951-5-30 16108 Riverside 9 miles west of Anza. 1067 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
  RSA696978  Langloisia schottii Keith E. Hoffmaster 1935-3-31 s.n. Riverside Palm Springs Comment
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Aug 27 2011
  RSA33309  Larrea tridentata N. C. Cooper 1943-10-3 942 Riverside Whitewater Canyon. Riverbank 762 Comment
  RSA390012  Larrea tridentata Robert L. Dressler 1949-3-19 428 Riverside Coxcomb Mountains, 23 miles NE of Desert Center. Comment
  RSA457779  Larrea tridentata Steve D. Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2219 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  RSA648310  Larrea tridentata Mark Hotchkiss 1977-5-15 s.n. Riverside Cabazon area (and the entire Colo. desert). Comment
  RSA652051  Larrea tridentata Marion P. Harthill 1973-2-17 1557 Riverside Snow Creek, Palm Springs 366 Comment
  UC452607  Larrea tridentata F. M. Reed 1917-5-19 3943 Riverside vicinity Riverside (Palm Canyon); Palm Canyon Comment
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May 1 2011
  UCSB3664  Larrea tridentata Bobkowski, Vincent 1960-4-1 Riverside 3 Miles south west of Intersection State Highway 195 and U.S. 60-70 in the Orocopia Mountains Comment
  RSA0034537  Larrea tridentata D. Dunlop 1977-3-21 205 Riverside Desert Hot Springs. Comment
  JEPS48952  Lastarriaea coriacea W. L. Jepson 1935-4-21 17160 Riverside Aguanga; near branch road to Pines 603 Comment
  RSA691981  Lasthenia gracilis Scott D. White, Michael Honer 2003-4-2 8925 Riverside Temescal Valley: Alberhill area. North of the I-15 Freeway, on and near crest of unnamed mountain, '2349.' 671 Comment
  SBBG103913  Lasthenia gracilis S. D. White 1993-4-20 1215 Riverside SE of Estelle Pk, Gavilan Hills 792 Comment
  UC69222  Lasthenia gracilis F. M. Reed 1905-5-15 16 Riverside canyon in hills near Auburndale Bridge (vicinity of Riverside) Comment
  UC74035  Lasthenia gracilis M. F. Gilman 1904-1-1 18 Riverside Banning Comment
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Mar 13 2011
  UCR167421  Lasthenia gracilis John F. Green 2005-3-16 s.n. Riverside Perris-Aguanga Basin, Cajalco Canyon, SE of Corona, SW of Lake Mathews, east of Calif. highway 71; Collections made while monitoring pipeline repair 366 Comment
  UCR237212  Lasthenia gracilis Duncan S. Bell, Valentin Arvizu 2010-5-10 985 Riverside San Jacinto Mountains, San Bernardino National Forest, Garner Valley, c. 1.4 air mi southeast of junction of FS Road 6S13 and FS Road 6S04 1365 Comment
  UCR851  Lasthenia gracilis Osman 1976-4-26 S-76- 2 Riverside Peninsular Range, Woodcrest, 4 - 5 mi west of Hwy 395 Fwy [now I-215], along Van Buren Blvd. and near March Air Force Base 274 Comment
  UCR122545  Lathyrus vestitus subsp. vestitus George K. Helmkamp, E. A. Helmkamp 2001-5-20 6675 Riverside San Jacinto Mountains., Apple Canyon Rd, 1.5 mi NE of CA-74 1463 Comment
  UC15386  Lathyrus vestitus var. alefeldii H. M. Hall 1901-6-1 2153 Riverside e base San Jacinto Mountains (along the borders of the Colorado Desert); , Colorado Desert 1371 Comment
  JOTR32957  Layia glandulosa La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2708 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  UCR21944  Layia platyglossa Steve Boyd 1980-5-3 195 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  UCR269906  Layia platyglossa D. E. Bramlet, Amy Hills, R. E. Riefner Jr., Russell Huddleston 2005-3-2 3654 Riverside Perris-Agunaga Basin Region; San Jacinto Valley, west of Hemet, east of San Diego Canal, west of Warren Rd., south of Hwy 74, north of W Stetson Ave. 457 Comment
  RSA495411  Layia platyglossa subsp. campestris Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2946 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA450741  Layia platyglossa subsp. platyglossa J. C. Roos 1965-6-13 s.n. Riverside Mountain Center, San Jacinto Mtns. Comment
  CLARK-A1528-1983  Layia ziegleri John C. Roos 1965-6-13 Riverside San Jacinto Mountains Comment
  UCR234989  Lemna minor A. C. Sanders, John F. Green 2012-5-27 40216 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Creek at I-15 crossing, between Alberhill and Horsethief Canyon 363 Comment
  CAS-BOT-BC215768  Lepechinia E. W. Lathrop 1973-6-28 7440 Riverside Trail between El Carriso and Santiago Peak, Cleveland Nat'l Forest 1219 Comment
  UCR127542  Lepidium A. C. Sanders, T. B. Salvato 2003-5-21 26784 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
  UCR18612  Lepidium dictyotum var. acutidens O. F. Clarke 1973-3-10 s.n. Riverside Lakeview Area, 2.5 mi north of Ramona Expressway on Davis Rd. 434 Comment
  UCR199639  Lepidium dictyotum var. dictyotum Scott D. White, Justin M. Wood 2008-4-3 11798 Riverside Perris/Elsinore Basin, Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon 'Morgan' Property, Alberhill area 366 Comment
  UCR85529  Lepidium dictyotum var. dictyotum Scott D. White 1993-3-12 1156 Riverside Perris-Aguanga Basin Region, near Winchester; Old Salt Creek Channel, between new flood control channel and Patton Ave 445 Comment
  CAS-BOT-BC89438  Lepidium fremontii Ynez Whilton Winblad 1937-3-21 s.n. Riverside Coachella Valley. Comment
  RSA429906  Lepidium fremontii Robert Gustafson 1981-4-7 1255 Riverside Salt Creek Wash, southern end of the Orocopia Mts. 91 Comment
  RSA779782  Lepidium fremontii var. fremontii Duncan S. Bell 2010-4-2 691 Riverside Arica Mountains: collecting along the ridgeline of the mountain range about 0.3 air mile north of the summit. 561 Comment
  UCR244418  Lepidium fremontii var. fremontii Jim Andre 2012-4-16 20913 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd, 3.1 mi. north of south entrance, 4.1 mi. north of I-10 788 Comment
  RSA0123116  Lepidium lasiocarpum Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9023 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
  RSA278956  Lepidium lasiocarpum B. A. Prigge, L. Martinez 1978-3-23 2399 Riverside NW Colorado Desert, Coachella Valley, 1.7 miles W of north Palm Springs on Dillon Rd. 274 Comment
  RSA429926  Lepidium lasiocarpum N. C. Cooper 1949-4-8 3308 Riverside Desert Center. 610 Comment
  RSA649253  Lepidium lasiocarpum Faulkner 1978-3-15 280 Riverside 1 mi. W of Hwy 95, 25 mi. N of Blythe. 152 Comment
  RSA776293  Lepidium lasiocarpum Duncan S. Bell, Amanda Turek 2010-4-10 831 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine and Calzona Mine; approximately 3.8 air miles west of the Colorado River; approximately 2 air miles northeast of Riverside Mountain Peak. 198 Comment
  UCR266358  Lepidium lasiocarpum D. E. Bramlet 2005-6-28 3886 Riverside Murrieta, Elm St. NE of I-15, just S of I-215 junction 329 Comment
  UCR51947  Lepidium lasiocarpum Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2122 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  CDA24929  Lepidium lasiocarpum var. georginum G. D. Barbe, T. C. Fuller 1973-2-28 1071 Riverside 4.7 miles south of I-10 on Wiley s Well Road, west of Blythe. 0 Comment
  RSA161340  Lepidium lasiocarpum var. lasiocarpum P. H. Raven 1958-3-16 11852 Riverside outwash plain below Cottonwood Springs, Joshua Tree National Monument. Comment
  SDSU14134  Lepidium latifolium Michael G. Simpson, Tax. Cal. Pls. (Biol. 531) class 2002-4-20 2258 Riverside Along north bank of Santa Margarita river, ca. 1/8 mile east of junction with Via Tornado Rd. (from Northside field station). 247 Comment
  CAS-BOT-BC89754  Lepidium latipes A. C. Sanders; K. C. Rose 1998-5-21 21865 Riverside Hemet. Flats west of town, east of the canal, south of Highway 74 (Florida) and ca. 0.25 mile west of Warren Road. 457 Comment
  UCR95738  Lepidium latipes var. latipes Steve Boyd, D. E. Bramlet 1996-4-19 8632 Riverside San Jacinto Valley, San Jacinto Wildlife Refuge at Southwestern edge of Mystic Lake, in the San Jacinto River Floodplain, north of 'Marsh A 433 Comment
  SD140144  Lepidium nitidum Scott White 1993-4-20 1203 Riverside Estelle Peak, Gavilan Hills 825 Comment
  SEINET3523568 Image available Lepidium nitidum A. R. Gillogly 1966-3-19 Riverside 19 miles east of Indio on Highway 60. Comment
  UCD115887  Lepidium virginicum subsp. menziesii T. B. Salvato; Kent Beaman 2005-5-16 775 Riverside San Jacinto Mtn: San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy 74. 549 Comment
  POM48736  Lepidium virginicum var. pubescens P. A. Munz, I. M. Johnston 1924-7-29 8819 Riverside 5 miles SE of Poppet Flat, San Jacinto Mtns. 1524 Comment
  RSA653419  Lepidium virginicum var. pubescens Scott D. White 1999-5-24 7386 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
  RSA85151  Lepidium virginicum var. robinsonii J. C. Roos 1952-4-9 5475 Riverside Fairmount Park 259 Comment
  UCR113196  Lepidium virginicum var. robinsonii A. C. Sanders 1998-3-11 21671 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near high water line of reservoir under construction 518 Comment
  SBBG80519  Leptochloa panicea subsp. brachiata A. C. Sanders 1985-8-24 5947 Riverside near Oasis on Ave 76, 0.4 mi E of Hwy 195, along S side of large drain flowing toward Salton Sea -54 Comment
  UC23617  Leptodactylon pungens H. M. Hall June, 1901 2130 Riverside Santa Rosa Mountain San Jacinto Mountains, Santa Rosa Mountain (dry hillsides of Coyote Canyon) 1524 Comment
  JOTR34474  Leptosiphon aureus subsp. aureus Andre, Jim 2012-4-16 20946 Riverside Joshua Tree National Park. Pleasant Valley; along Geology Tour Road at SW end of one-way loop at drainage below Pinyon Well. Approx. 7.5 mi south of Natl Park loop road (paved). 1094 Comment
  CAS-BOT-BC227030  Leptosiphon floribundus subsp. floribundus H. M. Hall 1897-8-1 1760 Riverside Santa Rosa Mt. S. of Palm Springs Comment
  RSA0099593  Leptosiphon floribundus subsp. hallii Duncan S. Bell 2014-11-14 7704 Riverside Santa Rosa Mountains; collecting in the Santa Rosa Mountain Wilderness area; west side of Martinez Mountain; at meeting point of Horsethief Creek and the Cactus Spring Trail. 1055 Comment
  UCSB37849  Leptosiphon liniflorus Sanders, A. 1980-7-18 Riverside Garner Valley; meadow on the floor of the valley near the junction of the Thomas Mtn. Rd. with Hwy. 7b, about 1 mile SE of the head of Hemet Lake. T 6S, R 3E, SW1/4 of SW2/4 sec. 10 1341 Comment
  SBBG101798  Leptosiphon parviflorus S. Boyd, L. Arnseth, O. Mistretta 1991-5-6 6149 Riverside S side of Elsinore Peak 1036 Comment
  UCR21842  Lessingia filaginifolia 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
  UCD64300  Leymus condensatus R. N. Raynor 1938-6-20 s.n. Riverside Aguanga. Comment
  RSA561100  Leymus triticoides Steve Boyd, D. E. Bramlet 1992-5-12 7333 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Tenaja Canyon. 366 Comment
  CAS-BOT-BC451632  Lilaea scilloides James R. Shevock 1975-4-28 4271 Riverside On the Mesa de Colorado. Santa Rosa Plateau, Santa Ana Mountains. 762 Comment
  RSA377139  Lilium humboldtii subsp. ocellatum Gale Sphon 1955-06 s.n. Riverside Horsethief Canyon, Elsinore Mountains. Comment
  RSA588184  Lilium humboldtii subsp. ocellatum Darin L. Banks, Victor Steinmann 1995-7-10 749 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak. In major drainage that flows off NW flank of Wildhorse Peak. 610 Comment
  JEPS62043  Lilium parryi Carl V. Meyer 1928-7-24 518 Riverside Idyllwild; San Jacinto Mt. Comment
  POM8112  Lilium parryi Mary F. Spencer 1919-7-4 1235 Riverside San Jacinto Mt., [San Jacinto Mountains]. 1220 Comment
  UCR234764  Limonium duriusculum A. C. Sanders, John F. Green 2012-6-25 40298 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, benches south of I-15 and east of Horsethief Canyon Rd., north end of Bucking Bay Dr. 433 Comment
  POM13146  Limosella aquatica Philip A. Munz, I. M. Johnston 1922-5-19 5430 Riverside Hemet Valley, San Jacinto Mountains. 1402 Comment
  UCR200400  Linanthus aureus Tasha La Doux, Jim Andre 2008-3-21 142 Riverside Eastern Mojave Desert, Joshua Tree National Park, Pinkham Exit dirt road, at Cottonwood Visitors Center, just north of Cottonwood Canyon 939 Comment
  UCR88109  Linanthus jonesii A. C. Sanders, G. Nuhn 1995-4-20 16583 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
  SEINET7072844  Linanthus lemmonii A. G. Vestal 1963-5-19 s.n. Riverside About 0.5 mile west of Cahuilla. Coordinate datum: WGS84/NAD83. (33? deg. 32' 25" North Latitude, -116? deg. 45' 8" West Longitude, Coordinate datum: NAD27.). Comment
  UC52463  Linanthus liniflorus H. M. Hall 1897-5-5 526 Riverside Leon Comment
  UCR193897  Linanthus liniflorus A. C. Sanders, Mitch Provance 2008-7-11 35776 Riverside Peninsular Range; San Jacinto Mtns., FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station 1463 Comment
  UCR51066  Linaria canadensis var. texana S. J. Myers 1988-2-24 s.n. Riverside Peninsular Range, Temescal Canyon, about 0.25 mi west of intersection of Hwy I-15 and Indian Truck Trail 381 Comment
  UC1930033  Linum lewisii Scott D. White, Justin Wood 2008-6-16 12146 Riverside San Jacinto Mountaims: Meadow at Quinn Flat. Comment
  UCR35319  Linum lewisii L. B. Ziegler 1967-5-30 135 Riverside San Jacinto Mtns., Hemet Valley (= Garner Valley). 1372 Comment
  POM68984  Listera convallarioides Carl V. Meyer s.n. Riverside San Jacinto Mountains. Comment
  UCR35278  Lithophragma affine subsp. mixtum L. B. Ziegler 1972-4-7 444 Riverside San Jacinto Mtns., canyon on N slope Baldy Mtn. 1646 Comment
  RSA7581  Lobelia cardinalis subsp. graminea B. D. Stark 1933-11 5554 Riverside Andreas Canyon, desert side of San Jacinto Mountains. Comment
  SEINET7073481  Loeflingia squarrosa A. G. Vestal 1963-4-27 s.n. Riverside Santa Gertrudis Wash southeast of Murrieta Hot Springs. Coordinate datum: WGS84/NAD83. (33? deg. 32' 2" North Latitude; -117? deg. 9' 9" West Longitude. UTM Zone 11, 485829mN, 3710290mN. Coordinate datum: NAD27). Comment
  RSA79148  Loeseliastrum schottii P. A. Munz, Percy C. Everett 1952-5-2 16256 Riverside 2 miles east of Garnet, Coachella Valley. 30 Comment
  UC405427  Logfia depressa Katharine Brandegee 1899-1 Riverside Colorado Desert Comment
  RSA507511  Lolium perenne Steve Myers 1988-6-4 s.n. Riverside Rancho California area, E of Winchester Road, between Auld Rd. & Borel Rd 396 Comment
  UC818811  Lolium temulentum P. A. Munz and I. M. Johnston 1922-5-19 5383 Riverside 8 mi ne Murietta Comment
  UCR176926  Lomatium dissectum Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 58 Riverside San Bernardino Mtns., Morongo Indian Reservation, Hathaway Canyon, tree stand H-05 915 Comment
  JEPS15839  Lomatium lucidum W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1484 Riverside Aguanga Comment
  RSA795513  Lomatium mohavense C. P. Cowan 1978-4-23 1235 Riverside Santa Rosa Mountains. 17.3 mi (27.2 km) S and W on Hwy 74 from jct w/111 at Indian Wells. San Bernardino National Forest. Whittaker transect no.W-221(voucher). 1180 Comment
  UC63680  Lomatium mohavense H. M. Hall May 1899 1184 Riverside San Jacinto Mts., Van de Venter's 1371 Comment
  UCR244402  Lomatium mohavense Jim Andre 2012-4-16 20984 Riverside Southern Mojave Desert, Joshua Tree National Park; along Cottonwood Springs Rd [=Pinto Basin Rd.], c. 6 mi. south of north entrance at Twin Tanks parking area 1197 Comment
  CHSC201  Lonicera subspicata var. denudata E. Thomas 1940-3-10 Riverside San Jacinto Foothills. Comment
  JEPS24961  Lonicera subspicata var. denudata H. M. Hall July 1901 2529 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1615 Comment
  LA204608  Lonicera subspicata var. denudata Harlan Lewis; 1938-7-10 sn Riverside San Jacinto Mountains, Idyllwild 1523 Comment
  RSA597526  Lonicera subspicata var. denudata L. C. Wheeler 1960-5-9 7689 Riverside Santa Rosa Mountains. Garnet Queen Mine. Comment
  UCR104190  Lonicera subspicata var. denudata Scott D. White 1997-5-25 5233 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
  UC15672  Lotus grandiflorus Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  UCR78446  Lotus hamatus Scott D. White 1993-4-22 1250 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  POM2646  Lotus heermannii P. A. Munz 1918-4-7 2124 Riverside Temescal Canyon Comment
  RSA406175  Lotus heermannii N. C. Cooper 1944-7-15 1545 Riverside Palms to Pines Highway, San Jacinto Mountains. 1280 Comment
  RSA600851  Lotus heermannii C. Epling, Wm. Robison 1935-6-30 s.n. Riverside Mt. San Jacinto: Between Pine Flat Camp and Fuller's Mill. Comment
  UCR157953  Lotus heermannii T. B. Salvato, A. C. Sanders 2005-5-17 910 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
  UCR225443  Lotus humistratus A. C. Sanders, T. B. Salvato 2011-3-29 38852 Riverside Peninsular Range; Perris-Aguanga Basin Region, valley at toe of hills between Sun City and Perris, powerline corridor between Goetz Rd. and Alabaster Loop, north of Goldenrod Ave. 448 Comment
  UCR250200  Lotus humistratus A. C. Sanders 2014-4-23 41045 Riverside Peninsular Range, Gavilan Hills, along Concordia Ranch Rd. at edge of Temescal Valley, above I-15 and east of Black Powder Rd. 384 Comment
  UCR23899  Lotus nevadensis var. nevadensis John C. Roos 1937-8-18 2541 Riverside San Jacinto Mtns., Near Willow Creek 2439 Comment
  UC62934  Lotus purshianus var. purshianus H. M. Hall 1895-6-23 154 Riverside vicinity Riverside Comment
  JEPS55814  Lotus rigidus W. L. Jepson 12573 Riverside Cottonwood Springs Cottonwood Mts. 731 Comment
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Oct 9 2010
  RSA406788  Lotus rigidus M. B. Dunkle 1938-4-3 5243 Riverside S. of Nightengale Comment
  SEINET3562898 Image available Lotus salsuginosus C. L. Hitchcock 1940-3-30 5872 Riverside Cottonwood Spring Comment
  UCR163140  Lotus salsuginosus A. C. Sanders 1997-3-19 20045 Riverside Lake Skinner area, lower S slopes of Bachelor Mtn., near old quarries 473 Comment
  UCR18156  Lotus salsuginosus var. brevivexillus A. C. Sanders 1978-3-19 0841 Riverside Santa Rosa Mtns/Colorado Desert, Deep Canyon Reserve, along the Worley Trail just above the Research Center 427 Comment
  RSA406897  Lotus scoparius M. M. Thompson 1947-6-9 C 2072 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  UCR174090  Lotus scoparius subsp. brevialatus A. C. Sanders 2006-5-19 32433 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
  UC1929589  Lotus scoparius var. brevialatus Steve Boyd 2007-4-20 11725 Riverside Peninsular Ranges; Perris-Aguanga Basin region; Southeastern end of the Gavilan Hills, north of Warm Springs Valley at upper end of ''Walsh Canyon,'' ca. o.5 miles from junction with Lindel (aka Stovepipe) Road, on southwest facing slope just above old Melia azedarach and across from driveway leading t 549 Comment
  JEPS55856  Lotus strigosus W. L. Jepson 1901-5-17 1227 a Riverside Riverside 266 Comment
  RSA607009  Lotus strigosus Leota Brice 1930-4-13 s.n. Riverside Hemet Comment
  RSA757799  Lotus strigosus LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4288 Riverside From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  UCR108869  Lotus strigosus Heidi A. Haid 1969-3 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR97894  Lotus strigosus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19851 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  POM1918  Lotus strigosus var. hirtellus H. M. Hall 1902-04 2776 Riverside Vicinity of Winchester 457 Comment
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Mar 20 2011
  POM98998  Lotus strigosus var. strigosus E. C. Jaeger 1926-3-26 s.n. Riverside Cabazon Comment
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Mar 13 2011
  RSA608477  Ludwigia peploides subsp. peploides Louis C. Wheeler 1961-6-24 7906 Riverside San Jacinto Mountains: Fulmor Lake. Comment
  UC64309  Ludwigia peploides subsp. peploides H. M. Hall Riverside Riverside Comment
  RSA783365  Lupinus J. D. Olmsted 1960-4-17 384 Riverside Oat Flats at head of Tin Mine Canyon 9 miles southwest of Corona along Skyline Drive 823 Comment
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Jun 2 2013
  RSA776936  Lupinus arizonicus Amber Swanson, Duncan S. Bell 2011-3-18 219 Riverside About 3 airmiles SE of Desert Center, N of Chuckwalla Mtns. 392 Comment
  UCR102943  Lupinus arizonicus George K. Helmkamp 1998-4-4 3139 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  UCR138564  Lupinus arizonicus Steve Boyd, Orlando Mistretta 1986-3-13 1469 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  UCR279239  Lupinus arizonicus A. C. Sanders, Jim Malusa 2017-3-23 42935 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 3 miles east of Iris Pass 771 Comment
  RSA744304  Lupinus bicolor M. Wall 2009-3-27 499 -E Riverside Bautista Creek east of Hemet off Bautista Canyon Rd. ca. 8 miles SE of jct. with Fairview Ave. 754 Comment
  SDSU17531  Lupinus bicolor Jerry Jenkins 2001-4-2 2001 -047 Riverside Santa Margarita Ecological Reserve. West of Santa Margarita River, UTM zone 6, 481750E, 3699500N. UTM transfered to GIS. Comment
  UCR162393  Lupinus bicolor S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, Juan Diego Flats on powerline trail west to Reed Valley, NW of Cahuilla Mountain 1244 Comment
  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
  UCR178837  Lupinus bicolor T. B. Salvato, Jeffrey Ross, B. G. Pitzer 1998-3-25 MOR- 1037 B Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon, 0.2 mi. east of N-S Potrero Canyon Rd. on dirt road to Corral Canyon, junction at Bench Mark 3054', Tree Stand P-08 930 Comment
  UCR199563  Lupinus bicolor Scott D. White 2004-4-26 10267 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  SBBG47453  Lupinus concinnus N. C. Cooper 1944-6-17 1434 Riverside W side of San Jacinto Mtn 1371 Comment
  RSA741199  Lupinus concinnus subsp. optatus Scott D. White, Justin M. Wood 2008-5-15 11967 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. 1357 Comment
  SEINET10485080  Lupinus concinnus subsp. optatus Charles R. Gunn 1963-5-29 Gunn 2630 Riverside Riverside co road r1, 1/2 mi above fulmore lake, san bernardino national forest , San jacinto mountains. White standard, blue keel and wings. Comment
  CAS-BOT-BC216681  Lupinus excubitus subsp. hallii Carl B. Wolf 1932-5-25 3687 Riverside Gilman Ranch in the foothills of Banning 853 Comment
  LA205061  Lupinus excubitus var. austromontanus W. Pequegnat; March 1937 125 Riverside Santa Ana Mountains, Coldwater Canyon, E ridge Comment
  RSA586106  Lupinus excubitus var. hallii D. L. Banks, S. D. Boyd 1995-4-5 0146 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, W of the Dripping Springs Trail, on alluvial terraces of the W fork of Arroyo Seco. 3 573 Comment
  RSA618414  Lupinus excubitus var. hallii D. L. Banks 1997-5-5 1962 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  RSA594769  Lupinus hirsutissimus D. L. Banks, Dylan Hannon 1996-5-3 0995 Riverside Agua Tibia Mountains; Cleveland National Forest; Dripping Springs Campground, 30 m N of campsite #9. 487 Comment
  SD122396  Lupinus hirsutissimus Duffie Clemons, Jim Dice, Glenn Keator 1988-2-18 1943 Riverside Santa Margarita Ecological Preserve west of Temecula, alongside jeep trail leading into Santa Margarita River Canyon Comment
  UCR262283  Lupinus hirsutissimus A. C. Sanders 2006-5-13 32284 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  RSA413646  Lupinus hyacinthinus N. C. Cooper 1944-6-17 1420 Riverside San Jacinto Mtns. above Banning. 1220 Comment
  UCR133353  Lupinus microcarpus A. C. Sanders 1985-5-4 5777 Riverside Santa Rosa Mtns, Hwy 74 near Alpine Village 1341 Comment
  POM280804  Lupinus pallidus Henry J. Ramsey, Henry J. Ramsey 1940-4-14 s.n. Riverside 50 miles N of Blythe Comment
  RSA87035  Lupinus shockleyi F. W. Peirson 1922-4-18 2434 Riverside Whitewater River, head of Coachella Valley, Riverside County Comment
  JOTR32442  Lupinus sparsiflorus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2280 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
  OBI42678  Lupinus sparsiflorus B. Pitzer & K. Kirtland, K. Kirtland 1986-5-20 224 Riverside Butterfield State Ranch development, in the hills on the N side of Pauba Valley, in the Rancho Calif Area, 1mi S of Buck Mesa on the E side of Butterfield State Rd T7S, R2W, sec 36 457 Comment
  UCR226608  Lupinus sparsiflorus Jim Andre 2011-2-18 15819 Riverside Coachella Valley, north end of valley at base of Morong Canyon, 0.5 mi north of indian Canyon Road, 1 mi west of Hwy 62 473 Comment
  UCR241180  Lupinus sparsiflorus Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 13 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, lower Hathaway Canyon along Hathaway Canyon Rd. 826 Comment
  CLARK-A1045-186  Lupinus sparsiflorus subsp. inopinatus George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains end of road; Wildomar 7.5'Q Comment
  POM10358  Lupinus sparsiflorus subsp. sparsiflorus Charlotte M. Wilder 1904-5-14 49 Riverside Wilders Canyon, Jurupa Hills, Comment
  RSA701655  Lupinus sparsiflorus var. arizonicus Keith E. Hoffmaster 1935-3-31 s.n. Riverside Palm Springs Comment
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Aug 27 2011
  RSA501075  Lupinus succulentus Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-4-2 3193 Riverside Vail Lake Area, W end of bench on S flank of Oak Mountain. 549 Comment
  JEPS83240  Lupinus truncatus W. L. Jepson 1935-4-21 17156 Riverside Aguauga , branch rd to Pines (near branch rd. to Pines) 603 Comment
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Dec 14 2011
  POM2385  Lupinus truncatus M. French Gilman 1904-1 14 Riverside Banning. Comment
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Mar 13 2011
  RSA554024  Lycium andersonii A. C. Sanders, E. J. Lawlor 1992-4-4 12115 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  RSA776287  Lycium andersonii Duncan S. Bell 2010-3-20 627 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  UCR712  Lycium andersonii Alan Chamberlain 1957-3-16 s.n. Riverside Riverside, Box Springs Mtns, SSW slope of 2556 ft. peak above streambed in Big Springs Canyon 396 Comment
  UCR87089  Lycium andersonii Richard Minnich 1992-2-18 s.n. Riverside Riverside, c. 1 km SW of Mockingbird Canyon Reservoir Comment
  POM184503  Lycium andersonii var. deserticola C. Leo Hitchcock 1932-4-7 12206 Riverside Corn Springs. Comment
  JOTR01201  Lycium cooperi Cole, James E. 1941-5-17 727 Riverside Joshua Tree National Park. COVINGTON FLAT CANYON 1402 Comment
  RSA699022  Lycium pallidum var. oligospermum J. Russell Bruff 1929-12-28 454 Riverside Dos Palmas Comment
  UCR6739  Lythrum californicum O. F. Clarke 1967-11-4 671104- 2 Riverside Santa Ana River channel, 0.25 mi. upstream from Salt Lake Railroad Bridge Comment
  UCR232792  Lythrum hyssopifolia John F. Green 2008-4-16 0408- 52 Riverside Peninsular Range; Perris-Aguanga Valley, SSE of Romoland, powerline route north of McLaughlin Rd, between Palomar and Dawson roads 442 Comment
  UC1608211  Madia exigua Steve Boyd and Tim Ross 1992-6-10 7642 Riverside due w junction of Tenaja Road (7S01) and Los Alamos Road (7S04) (at confluence of Los Alamos Creek & main trunk of San Mateo Creek, San Mateo Canyon about Potrero Escondido, isolated area of low relief top the ridge); Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 670 Comment
  RSA619542  Madia gracilis D. L. Banks 1997-5-5 1991 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. East of where the road crosses to the southern bank of the south fork of Pechanga Creek. 427 Comment
  RSA452618  Mahonia Thekla Mohr 1920-5-1 s.n. Riverside Ivy Canyon, Temescal. Comment
  RSA496477  Mahonia nevinii Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-31 3096 Riverside Vail Lake area, sandy valley 0.25 mi E of Dripping Springs. 487 Comment
  RSA289949  Maianthemum racemosum subsp. amplexicaule Carl V. Meyer 1928-7-26 540 Riverside Deer Springs. 8700 ft. 2652 Comment
  UCR93836  Malacothamnus fasciculatus G. R. Ballmer, K. T. Stockwell 1995-6-8 s.n. Riverside Peninsular Range, Warm Springs Creek, Budweiser Ranch, 0.25-1 mi upstream of Los Alamos Road crossing 457 Comment
  UC303548  Malacothamnus fasciculatus var. fasciculatus I. M. Johnston 1918-5-30 2024 Riverside Temescal Canyon 335 Comment
  CAS-BOT-BC332708  Malacothrix Elizabeth McClintock 1958-4-2 s.n. Riverside East side of Salton Sea Comment
  RSA574751  Malacothrix californica Steve Boyd 1983-6-21 s.n. Riverside Gavilan Hills region, Gavilan Plateau, south of Harford Springs Country Park, just south of Ida-Leona Road and west of Piedras Road 610 Comment
  UCR59693  Malacothrix clevelandii Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3539 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, hills just to SW of the dam 489 Comment
  UCR89785  Malacothrix clevelandii Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3345 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  CHSC8376  Malacothrix glabrata Edward L. Smith 1957-4-3 263 Riverside Located 1 mi. n on hwy. 99 to 29 Palms, San Bernardino Mts. 91 Comment
  RSA278966  Malacothrix glabrata B. A. Prigge 1978-3-23 2413 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  RSA517816  Malacothrix glabrata Steve Boyd, Orlando Mistretta 1986-3-13 1433 Riverside Palen Mountains; NE of Desert Center, jct. of Parker Dam Rd. and Palen Rd. (road going through pas between Palen and Granite Ranges). 244 Comment
  UC1539720  Malacothrix glabrata Chas. B. Fiker 1946-4-16 3415 Riverside w side Colorado Desert Comment
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Mar 23 2014
  UC1922420  Malacothrix glabrata Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1425 Riverside Colorado Desert; Northeastern Colorado Desert region; Along Palen Road near Hwy 177. 170 Comment
  UCR165296  Malacothrix glabrata John F. Green 2005-2-4 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 miles east of Desert Beach 24 Comment
  UCR41521  Malacothrix stebbinsii A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6081 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UCR234754  Malosma laurina A. C. Sanders, John F. Green 2012-6-25 40303 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, benches south of I-15 and east of Horsethief Canyon Rd. 419 Comment
  CDA4990  Malva neglecta Scott D. White 1998-6-28 6800 Riverside Coastal Plains and Basins; San Bernadino Basin region; Corona: River Road bridge over the Santa Ana River. Comment
  SEINET3449032  Malva parviflora Steven R. Hill, Kate Kramer 2001-4-27 33476 Riverside Banning, Banning, 4 miles east, Cabazon, Morongo Indian Reservation, at Hadley's Orchard Store, at the junction of Apache Trail and Seminole Drive, north of route interstate 10, Apache Trail Exit 550 Comment
  SEINET3449033  Malva parviflora Unknown 2001-4-29 33519 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
  UCR231777  Marah macrocarpa John F. Green 2008-4-23 08- 17 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  RSA567642  Marina parryi Theo Glenn 1991-4-30 91 -58 Riverside Colorado Desert, McCoy Mtns, NW of Blythe. T5S, R20E, approx. S19, Alt 170m 170 Comment
  RSA779802  Marina parryi Duncan S. Bell 2009-3-9 101 Riverside Arica Mountains: southeast section of the mountain range approximately 1.2 air miles from Priest Well or approximately 6.5 air miles southwest of the ghost town of Rice. 307 Comment
  SEINET8732765 Image available Marrubium vulgare Jean Coulson 1959-1 s.n. Riverside San Jacinto Mts.; S. Side of N. Fork of San Jacinto on W. side of Highway 74 Comment
  RSA557320  Marsilea vestita Julie Greene, Steve Boyd, Dave Bramlet, Hilda Flores, Helga Ochoterana 1993-7-9 1433 Riverside San Jacinto Wildlife Area: from the edge of drying flood area. 433 Comment
  UCR280826  Medicago polymorpha T. B. Salvato, Gregg Miller 2005-6-3 1365 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
  CAS-BOT-BC502098  Medicago truncatula R. E. Riefner, Jr. 2014-4-30 14 -92 Riverside City of Temecula, drainage at end of Eucalyptus Ct. at Great Oak Trail, vicinity of Pechanga Pkwy and Wolf Creek Dr. North 325 Comment
  UCR171736  Melasphaerula ramosa O. F. Clarke, A. C. Sanders 2006-4-4 s.n. Riverside Riverside, UCR Botanical Garden 335 Comment
  CAS-BOT-BC269428  Melica californica I. M. Johnston 1918-5-30 2011 Riverside Temescal Canon [Canyon] 365 Comment
  POM113305  Melica frutescens Marcus E. Jones 1882-4-25 s.n. Riverside San Jacinto. Comment
  UCR139118  Melica frutescens D. L. Banks 1997-4-5 1675 Riverside Agua Tibia Mtns., NW Palomar Mtns: Pechanga Indian Reservation. south of Dorland Mountain, just west of the Wilderness Area Boundary, along a tributary of the N fork of Pechanga Creek 640 Comment
  RSA0062499  Melica imperfecta J. M. Andre 2012-6-15 30520 Riverside San Jacinto Mountains: Along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest. 1308 Comment
  RSA180508  Melica imperfecta E. W. Lathrop 1965-5-9 5722 Riverside 6 miles W of Murrieta Comment
  RSA595321  Melica imperfecta D. L. Banks, Victor Steinmann 1996-4-20 879 Riverside NW Palomar Mountains; Agua Tibia Mountains; N face of Dorland Mtn., on the W side of the Dorland Mountain Arts Colony; Along a circular drive that runs along the W end of the compound. 567 Comment
  RSA801815  Melica imperfecta LeRoy Gross, Evan Meyer 2013-5-21 6109 Riverside West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley. Started near 33.72895N, 116.73415W. And ended at Inspiration Point. 1631 Comment
  SEINET251739 Image available Melica imperfecta A. C. Sanders 2004-4-20 27548 Riverside Santa Ana Mtns: Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of San Diego county line(Fallbrook 7.5' Q.: Near 33. 29'34'N -117.21'56'W) 640 Comment
  UC38848  Melica imperfecta H. M. Hall Jun 1901 2079 Riverside vicinity Chalk Hill; San Jacinto Mountains 1463 Comment
  UCR2544  Melica imperfecta F. M. Reed 1906-3-17 925 Riverside Riverside. south fork of Arroyo Tequesquite, opposite bee ranch. Comment
  UCR104900  Melilotus indicus A. C. Sanders 1997-3-19 20032 Riverside Lake Skinner area, S foot of Bachelor Mtn., across the northern arm of the lake from the boat ramp, from dirt track down to lakeshore 457 Comment
  UCR121348  Melilotus indicus A. C. Sanders, Mark Elvin, , Vipul Joshi 2002-4-26 25021 Riverside The Badlands, canyon above Eden Hot Springs 549 Comment
  UCR163513  Mentzelia B. G. Pitzer, J. Ross 1998-3-8 3600 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  HSC85404  Mentzelia affinis Steve Boyd 1986-4-20 1722 Riverside Gavilan Hills: Santa Rosa Rd. just W of Piedras Rd. Comment
  RSA440355  Mentzelia affinis Robert Gustafson 1978-3-21 845 Riverside Joshua Tree National Monument, about 3 miles north on the road leading through the park and Hwy 70. 640 Comment
  UC140494  Mentzelia affinis C. F. Baker 1904-4-5 4141 Riverside Hemet Comment
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Jul 4 2010
  JOTR30973  Mentzelia albicaulis La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1945 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  RSA781615  Mentzelia albicaulis Duncan S. Bell 2009-3-8 83 Riverside Arica Mountains: collecting on the mountains ridgeline at the northern part of mountain range approximately 2.7 air miles northwest of Priest Well. 565 Comment
  RSA282492  Mentzelia desertorum H. J. Thompson 1960-3-12 3014 Riverside Colorado Desert on road to Willis Palms, 3.4 miles E of Hwy 99. 61 Comment
  UCD117239  Mentzelia involucrata C. L. Hitchcock 1966-3-16 24211 Riverside along Palms to Pines Highway, 4 miles south of Palm Desert. 609 Comment
  UC489021  Mentzelia montana C. V. Meyer 1929-6-13 752 Riverside San Jacinto Mts., Idyllwild Grade 1371 Comment
  SEINET3004952  Mentzelia multiflora G. Rink 2011-3-9 10376 Riverside Palo Verde Solar Site, southwest of Blythe 91 Comment
  RSA395915  Mentzelia veatchiana Steve Boyd 1986-4-20 1722 Riverside Gavalin Hills-Gavalin Hills: Harford Springs Co. Park. Comment
  RSA180424  Micropus californicus E. W. Lathrop 1965-5-9 5734 Riverside 6 miles W of Murrieta. Comment
  SEINET273065  Microseris douglasii A. C. Sanders 1997-3-26 20131 Riverside Lake Skinner area: N edge of large clay patch adjacent to the Skinner entrance road ca. 1-2 km NE of Borel Rd. 1550 Comment
  RSA556440  Microseris douglasii subsp. douglasii Julie Greene 1993-4-17 1203 Riverside San Jacinto Wildlife Area. W of San Jacinto River, W of Davis Rd. 439 Comment
  UCR77769  Microseris douglasii subsp. douglasii Steve Boyd, D. E. Bramlet 1991-5-13 6233 Riverside Peninsular Range, Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. Vernal pool association in pasture north of Santa Fe Railroad tracks, west of San Diego Aqueduct 457 Comment
  RSA359525  Microseris douglasii subsp. platycarpha Steve Boyd 1986-3-9 1387 Riverside Temescal Canyon: Alberhill Mt., south slope just east of claymine area 427 Comment
  UCR116505A  Microseris douglasii subsp. tenella A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 746 A Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  RSA656544  Microseris heterocarpa A. C. Sanders 2000-5-25 23410 Riverside Menifee Valley; S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake 439 Comment
  RSA528067  Microseris lindleyi Scott D. White 1991-4-10 91 -48 Riverside Diamond Valley area, ca. 1/2 mi. E of Mica Butte, & S of Cactus Valley Road. 610 Comment
  UCR104920  Microseris lindleyi A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20652 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  UCR162284  Microseris lindleyi S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  POM243740  Mimulus aurantiacus var. pubescens E. C. Jaeger 1938-10-2 s.n. Riverside Little San Bernardino Mountains. 1220 Comment
  POM8005  Mimulus aurantiacus var. pubescens I. M. Johnston 1920-5-8 2285 Riverside Butte west of Lakeview. 610 Comment
  POM8468  Mimulus aurantiacus var. pubescens I. M. Johnston 1920-5-8 2282 Riverside Butte west of Lakeview. 610 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
  UCR121317  Mimulus aurantiacus var. pubescens A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25001 Riverside Peninsular Range; San Jacinto Mtns. Region, The Badlands; summit of Mt. Eden, SW of Beaumont 717 Comment
  UCR270305  Mimulus aurantiacus var. pubescens T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8373 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 424 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
  POM262903  Mimulus aurantiacus var. puniceus J. C. Roos 1941-5-17 123 Riverside About 4 miles SW of March Field. Comment
  POM33  Mimulus aurantiacus var. puniceus O. W. Robinson 1916-3-28 s.n. Riverside Miller's Canyon, Murrieta. Comment
  RSA82107  Mimulus aurantiacus var. puniceus F. W. Peirson 1925-5-20 6014 Riverside 1 mile northwest of Dripping Spring, east of Temecula. 457 Comment
  UCR90980  Mimulus aurantiacus var. puniceus Scott D. White 1996-3-16 3822 Riverside Perris Basin, Lakeview Mtns, north of Winchester, at 'Maze Stone' Picnic Site 610 Comment
  RSA420957  Mimulus bigelovii var. bigelovii M. B. Dunkle 1933-3-4 3050 Riverside Painted Canyon, Colorado Desert. 30 Comment
  RSA703474  Mimulus bigelovii var. bigelovii LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda L. Worlow 2005-2-17 1417 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  RSA614625  Mimulus brevipes D. L. Banks 1997-3-29 1571 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., West of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  UCR158264  Mimulus brevipes A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30120 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
  UCR168493  Mimulus brevipes N. C. Cooper 1944-6-16 2005 Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1524 Comment
  JEPS8378  Mimulus breweri C. V. Meyer 1928-7-31 599 Riverside Tahquitz Valley San Jacinto Mt. 2286 Comment
  UC27105  Mimulus breweri H. M. Hall July 1901 2488 Riverside Lake Surprise San Jacinto Mountains 2499 Comment
  UCR161406  Mimulus cardinalis A. C. Sanders, Mike Misenhelter 2005-9-20 31682 Riverside San Jacinto Mtns. Foothills, Santa Rosa Hills south of Hemet, road NW of Gibbel Flat, south end of Cornell St., 0.5 mi. SE of the Ramona Bowl 610 Comment
  PASA105  Mimulus diffusus Sally Ellis 1939-6-21 Riverside Halona Comment
  RSA561064  Mimulus diffusus Tim S. Ross 1993-5-12 7349 Riverside Southern Santa Ana Mountains, San Mateo County Wilderness area. San Mateo Canyon,, along stream bed and adjacent to benches and lower slopes from confluence with Los Alamos Canyon downstream to confluence with Tenaja Canyon. 365 Comment
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Dec 5 2014
  JEPS19714  Mimulus fremontii var. fremontii Peter H. Raven with R. Snow 1957-7-26 11121 Riverside 1.8 mi above Lake Fulmor; San Jacinto Mountains Comment
  JEPS8219  Mimulus fremontii var. fremontii W. L. Jepson and H. M. Hall 1901-5-31 1573 Riverside Temescal Wash 335 Comment
  RSA447956  Mimulus guttatus E. A. McGregor 1964-9-15 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  UCR275279  Mimulus guttatus T. B. Salvato, Gregg Miller 2005-6-7 1455 Riverside Peninsular Range, Gavilan Hills, Lindell (Stovepipe) Road north of Snake Road, c. 4.5 miles north-northwest of Lake Elsinore 640 Comment
  UC27063  Mimulus moniliformis H. M. Hall 1897-8-11 805 Riverside San Jacinto Mountains Comment
  UC1374895  Mimulus pilosus Noel H. Holmgren and Liew Fah Seong 1969-6-17 3584 Riverside County road R1 at Black Mountain Turnoff (8.5 mi n of Idyllwild); San Jacinto Mountains Comment
  JEPS24631 Image available Mimulus rattanii John Thomas Howell 1931-5-30 6613 Riverside Santiago Peak Santa Ana Mts. Comment
  SEINET188360  Mirabilis bigelovii var. retrorsa C. L. Hitchcock 1940-4-1 5906 Riverside Joshua Tree NM ; Joshua Tree Natl Monument; 1 mi below Cottonwood Springs Comment
  CAS-BOT-BC434679  Mirabilis laevis var. crassifolia Frank W. Gould 1943-4-17 2120 Riverside 12 miles south of Corona. Comment
  CAS-BOT-BC434822  Mirabilis laevis var. retrorsa John H. Thomas 1957-3-30 6535 Riverside 0.8 miles east of Cactus City, about 13 miles east of Coachella, near U. S. Highways 60 and 70. Colorado Desert. 518 Comment
  RSA464821  Mirabilis laevis var. retrorsa M. B. Dunkle 1935-3-31 4432 Riverside Pinto Basin. 915 Comment
  UC56246  Mirabilis laevis var. retrorsa H. M. Hall Apr 1902 Riverside Coyote Canyon; Western borders of the Colorado Desert 152 Comment
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Aug 14 2010
  SBBG22011  Mirabilis laevis var. villosa R. F. Thorne 1964-5-3 33848 Riverside near hwy ca. 4 mi S of Morongo Valley and 3 mi S of San Bernardino Co line Comment
  RSA464622  Mirabilis multiflora var. pubescens N. C. Cooper 1944-5-20 1267 Riverside Palms to Pines Hwy., San Jacinto Mtns. 1220 Comment
  UCR274218  Mirabilis tenuiloba Duncan S. Bell, Evan Meyer 2014-10-29 7675 Riverside Santa Rosa Mountains, around the mouth of Martinez Canyon, c. 3.5 air miles southwest of Valerie 169 Comment
  JEPS24421  Mohavea confertiflora Peter M. Ray 1949-3-12 1389 Riverside Painted Canyon, Orocopia Mountains, east of Mecca. Comment
  RSA408762  Mohavea confertiflora Jean Carnine 1932-3-22 15306 Riverside Deep Canyon-Mojave Comment
  UCR1125  Mohavea confertiflora Emmylou M. Krausman 1958-3-1 09 Riverside Sonoran (Colorado) Desert, 20 yards from Pines to Palms Hwy, 2.0 miles from Hwy 111 intersection in Palm Desert 97 Comment
  UCR148330  Mohavea confertiflora John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  UCR279581  Mohavea confertiflora A. C. Sanders, Jim Malusa 2017-3-28 43152 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
  RSA0078218  Mollugo cerviana Sarah J. De Groot, Duncan S. Bell 2015-9-21 7586 Riverside Santa Rosa Mountains south-southwest of Palm Desert. Along Carrizo Road just north of Highway 74. 1053 Comment
  UC1995304  Monardella C. Epling, Wm. Robison 1933-6-26 Riverside Key's View Little San Bernardino Mountains 1524 Comment
  RSA401645  Monardella australis subsp. australis Louis C. Wheeler 1931-10-3 196 Riverside Fern Valley-Tahquitz Valley trail, San Jacinto Mtns. 2378 Comment
  UCR112806  Monardella breweri subsp. lanceolata A. C. Sanders 1997-5-1 20620 Riverside Lake Skinner area, Rawson Canyon c. 1 mi. due west of summit of Black Mountain, along dirt road to Crown Valley 549 Comment
  UC2042134  Monardella lanceolata R. F. Thorne with E. W. Lathrop, W. Wisura 1977-7-8 49544 Riverside Santa Ana Mountains: along Ortega Highway (74), perhaps 1/4 mile west of El Cariso. Comment
  CLARK-A1045-110  Monardella linoides George K. Helmkamp 1977-3-20 Riverside Pinyon Pines area above west edge of Deep canyon; Palm Desert 15'Q Comment
  RSA761230  Monardella nana Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 725 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA762736  Monardella nana Patrick Garrett, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 79 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UC1499874  Monardella nana Elizabeth McClintock 1940-7-21 29 Riverside Santa Rosa Springs Santa Rosa Mt. road Comment
  UC1499919  Monardella nana E. McClintock, H. Lewis 1941-6-29 75 Riverside Santa Rosa Mt. 4 1/2 miles above Pines to Palms Highway in canyon where stream crosses road up mountain Comment
  UC1499935  Monardella nana E. McClintock, H. Lewis 1941-6-29 79 Riverside Santa Rosa Mt. road, 4 1/2 miles beyond canyon where stream crosses road Santa Rosa Mt. Comment
  UCR221483  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 068 Riverside Peninsular Range; Santa Rosa Mtns., 1.5 miles east of Ribbonwood, Pines to Palms Highway 1250 Comment
  UCR221497  Monardella nana subsp. arida Elizabeth McClintock 1940-5-19 05 Riverside Peninsular Range; Santa Rosa Mtns., 0.25 mi. off Pines to Palms Highway, on road to Santa Rosa Mtn. 1433 Comment
  RSA679187  Monardella nana subsp. arida Michael Denslow, M. W. Denslow Sr., Naomi S. Fraga 2003-7-16 1459 Riverside Santa Rosa Mountains, first peak west of Toro Peak. 2617 Comment
  UC1499806  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-12 111 Riverside trail to Deer Springs (several hundred ft below first spring which crosses trail); San Jacinto Mts. Comment
  SEINET10582074  Monardella nana subsp. tenuiflora A. Graff 1993-6-23 Graff 41 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
  RSA82967  Monardella robisonii G. R. Campbell 1953-11-11 18738 Riverside Botanic Garden Nursery Seedling, from seed collected by P.A. Munz, Dec. 15, 1952 at 3800 ft. elev. in sun about rocks, Stirrup Tank, Joshua Tree National Monument, Mojave Desert. 1159 Comment
  SD132295  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
  UCR265391  Monolopia lanceolata Cindy Daverin 2015-3-11 s.n. Riverside Gavilan Hills, El Sobrante Landfill mitigation property/Lake Mathews-Estelle Mountain Reserve, south of Lake Mathews and of Cajalco Rd., 1.3 km WNW (288 deg. ) of Monument Peak 443 Comment
  CAS-BOT-BC349805  Monoptilon bellioides Geo. B. Grant 1906-4-20 6759 Riverside Palm Springs Comment
  RSA623606  Monoptilon bellioides Ernest Braunton 1940-4-3 2012 Riverside 25 miles Northeast of Indio. Comment
  UCD80947  Monoptilon bellioides Chuck Hughes 2009-3-25 68 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 265 Comment
  UCR213931  Monoptilon bellioides Naomi Fraga, Lisa Rojas 2005-2-10 1350 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  RSA0121176  Muhlenbergia microsperma Duncan S. Bell, LeRoy Gross 2016-3-30 9174 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.25 air miles southeast of the summit of Martinez Mountain. 518 Comment
  RSA605174  Muhlenbergia microsperma A. C. Sanders, G. Helmkamp, P. J. MacKay, et al. 1995-3-19 16182 Riverside Coachella Valley: N-facing rocky slope in Chino Canyon along the Palm Springs tram road, 2 miles above Hwy 111 (Palm Canyon Dr.) 490 Comment
  UCD86834  Muhlenbergia microsperma G. K. Helmkamp; E. A. Helmkamp 1998-2-18 2724 Riverside Colorado Desert: Chuckwalla Valley; 0.3 mile S of Checkwalla Rd. on Graham Pass Rd. Comment
  SEINET10522269  Muhlenbergia microsperma Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-21 Holmgren 6436 Riverside Big Maria Mountains, 12 airline mi N of downtown Blythe. Locally common in sandy wash. 290 Comment
  UCR108860  Muilla maritima Heidi A. Haid 1968-4-29 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR209389  Muilla maritima Fred M. Roberts, Brenda McMillan 1998-3-31 5101 Riverside Paloma Valley, vicinity of Murreta, Ferndale Lane on hill top, 1.4 km southwest of the intersection of Briggs Road and Scott Road 480 Comment
  SD90113  Myriopteris parryi Walter William Zabriskie 1973-2-22 135 Riverside Pipistrelle Canyon ca. 75 yards before it turns east, Deep Canyon drainage, north slope of Santa Rosa Mountains, Site 16 550 Comment
  OBI1212  Myriopteris parryi Hoover 1966-10-15 10167 Riverside Dead Indian Cyn Comment
  RSA522091  Najas marina Steve Boyd, Orlando Mistretta 1989-7-18 3759 Riverside Vail Lake area, along west shore of lake 1/2 mi S of dam. 427 Comment
  RSA517920  Nama demissa Steve Boyd, B. Roy, T. S. Elias, S. Zona, S. Meury 1986-3-5 1346 Riverside Hwy 195, N base of the Orocopia Mts., halfway between I-10 & Box Canyon. Comment
  SD73600  Nama demissa var. demissa Helen V. Witham 830 Riverside Highway 74, 24.3 miles east of Lake Hemet. 1299 Comment
  UC880831  Nama demissa var. demissa Edmund C. Jaeger 1920-4-1 1078 Riverside Palm Springs Comment
  RSA0125987  Nama hispida Duncan S. Bell 2016-3-4 8813 Riverside Orocopia Mountains; northeast section of the range, in the hills to the west of Red Cloud Wash. 487 Comment
  RSA496122  Nassella cernua Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2999 Riverside Vail Lake area, Temecula Creek Cyn below Vail Lake Dam 457 Comment
  UCD87904  Nassella cernua Fred M. Reed 1906-2-1 877 Riverside Riverside County, Riverside: Tequesquito Arroyo. Comment
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May 1 2011
  POM14408  Nassella lepida P. A. Munz 1922-4-28 5028 Riverside 5 miles north of Glen Ivy Comment
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Apr 3 2011
  RSA525441  Nassella lepida Steve Boyd, D. Bramlet 1990-4-29 4486 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  UCD87802  Nassella lepida A. A. Beetle 1943-4-27 1939 Riverside Near Beaumont. Comment
  RSA192229  Nassella pulchra E. W. Lathrop 1960-4-28 4767 Riverside 14 miles west of Murrieta Comment
  RSA484139  Nassella pulchra Christopher Davidson 1977-5-25 5649 Riverside Mesa de Burro, Santa Rosa Plateau area of Santa Ana Mountains. Southern California 701 Comment
  UC1931110  Nasturtium officinale Scott D. White, Justin Wood 2008-6-18 12229 Riverside San Jacinto Mountains: K Flat Meadow. Comment
  UCR181629  Navarretia atractyloides Mitch Provance 2003-6-7 7608 Riverside San Bernardino Valley, Jurupa Mountains (extreme northwest end), near Philadelphia Street 262 Comment
  UCR25246  Navarretia fossalis John C. Roos 1952-5-28 5729 Riverside Perris-Aguanga Basin region, San Jacinto River bottomland 1 mile southeast of Perris 427 Comment
  SDSU13949  Navarretia intertexta Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2093 Riverside Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 671 Comment
  UCR279329  Nemacladus A. C. Sanders, Jim Malusa 2017-3-23 42940 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 3 miles east of Iris Pass 854 Comment
  RSA500551  Nemacladus longiflorus var. longiflorus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3600 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  UC597597  Nemacladus longiflorus var. longiflorus Philip A. Munz 1937-5-30 15088 Riverside near Vandeventer Flat; Santa Rosa Mts. 1676 Comment
  RSA439261  Nemacladus ramosissimus Elbert Benjamine 1929-5-18 228 Riverside Mt. San Jacinto. Comment
  UCR116405  Nemacladus ramosissimus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24190 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  SEINET10461122  Nemacladus rubescens Annie M. Alexander, Louise Kellogg 1941-4-24 Alexander 2085 Riverside Gorge of Dry Morongo Creek, Morongo Valley 640 Comment
  SEINET10939189  Nemacladus rubescens var. rubescens Junak 1983-3-24 JUNAK 1664 Riverside Near Pinto Basin road, 2.1 miles north of Highway 10 564 Comment
  RSA75124  Nemacladus sigmoideus F. W. Peirson 1928-4-24 7913 Riverside Below Cottonwood Springs, Eagle Mountains. Northern Colorado Desert. Comment
  JEPS1495  Nemophila menziesii Marjorie D. Clary 1933-5-7 2671 Riverside about ten mi s Kenworthy (Santa Rosa Mountains, Colorado Desert); Colorado Desert, Santa Rosa Mountains, s of Kenworthy Comment
  UCR215511  Nemophila menziesii var. menziesii Daphne K. Christopher, Hannah I. Stevens 2003-4-4 097 Riverside UC Riverside Motte Rimrock Reserve, off Sage Road 536 Comment
  HSC20472  Neogaerrhinum filipes C. L. Hitchcock, C. V. Muhlick 1964-3-22 23267 Riverside Pinto Basin; Joshua Tree National Monument Comment
  UC570705  Nicotiana clevelandii H. L. Mason 1928-3-10 4211 Riverside Hidden Springs; Coachella Mountains Comment
  RSA0125266  Nicotiana obtusifolia Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8762 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting near the Martinez Slide, approximately 4 air miles northeast of the summit of Martinez Mountain. 264 Comment
  RSA653435  Nicotiana quadrivalvis Scott D. White 1999-5-24 7398 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
  RSA617997  Nitrophila occidentalis R. E. Riefner 1998-10-15 98 -519 Riverside Elsinore Trough; Lake Elsinore, Palomar Rd. Comment
  SD142035  Nolina parryi James C. Dice 1985-6-13 617 Riverside SE portion of Thomas Mtn., ca. 4 km S of Kenworthy Station and community of Thomas Mtn. 1525 Comment
  SD142036  Nolina parryi James C. Dice 1985-6-13 618 Riverside Pinyon Flat, ca. 1.3 km N of Hwy. 74, at NW edge of community of Pinyon Pines 1250 Comment
  SD80151  Nolina parryi Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-24 402 Riverside N slope Santa Rosa Mts., Deep Canyon, 1 mi. S of Hwy. 74; water serviceroad Comment
  CAS-BOT-BC71172  Notholaena californica Louis C. Wheeler 1933-12-2 2306 Riverside Mouth Tahquitz Canyon near Palm Springs 144 Comment
  JEPS19051  Notholaena californica subsp. californica W. G. Wright Riverside Agua Caliente; Colorado desert Comment
  CLARK-A1528-34  Notholaena newberryi Fred B. Essig 1967-5-7 Riverside Riverside 457 Comment
  CHSC8395  Oenothera Edward L. Smith 1957-4-3 234 Riverside 1 mi. n on hwy. 99 to 29 Palms. San Bernardino Mts. 91 Comment
  UC1329914  Oenothera californica subsp. californica James E. Cole 1941-5-29 820 Riverside Stubby Spring Rd Joshua Tree National Monument 1402 Comment
  RSA118388  Oenothera deltoides subsp. deltoides P. A. Munz, David P. Gregory, William M. Klein 1958-4-4 22961 Riverside Sun Tan Motel, 3.5 mi. nw. Indio city limits, on Hwy 70 [Hwy 10]. 30 Comment
  RSA145365  Oenothera deltoides subsp. deltoides William M. Klein 1959-4-5 948 -949 Riverside U,S. Hwy 60-70, about 22 miles west of Blythe. 137 Comment
  RSA715093  Oenothera deltoides subsp. deltoides Sarah J. De Groot, J. Mark Porter 2006-3-14 5201 Riverside North foot of San Jacinto Mts, between Snow Creek Road and Highway 111. Stabilized sand dunes. 351 Comment
  RSA575843  Oenothera elata subsp. hirsutissima Steve Boyd 1982-11-2 s.n. Riverside Gavilan Hills region, Temescal Canyon at the confluence of Estelle Creek and Temescal Creek, at the northern end of the entrenched meander of Temescal Creek at the western base of Estelle Mountain 329 Comment
  SEINET10492308  Oenothera palmeri David B. Dunn 1946-3-16 Dunn 2078 Riverside Collected on dry slope in pushawalla canyon about 1 mi above the man group of palms. Indio hills. Comment
  RSA660931  Oenothera rosea A. C. Sanders 1998-4-11 21750 Riverside NE edge of UCR campus, E of A & I dorms and S of Watkins Dr., near Parking Services Bldg. 335 Comment
  SD48500  Olneya tesota P. C. Everett, E. K. Balls 1958-5-7 23116 Riverside Highway 195, Mecca to Blythe, entrance to Box Canyon. 198 Comment
  UCR169878  Oncosiphon piluliferum Chet McGaugh 2006-2-20 s.n. Riverside N edge of Perris near Granite Spur, 1 mile south of Ramona Expressway at intersection of Webster Ave. and Rider St., 0.25 mi. east of I-215 454 Comment
  UCR230193  Oncosiphon piluliferum A. C. Sanders, T. B. Salvato 2011-4-29 39356 Riverside Peninsular Range; Perris-Aguanga Basin Region, Romoland, McLaughlin Rd. east of Palomar Rd., near powerplant and railroad 445 Comment
  UC403457  Opuntia chlorotica Munz and Johnston 1922-5-20 5571 Riverside near Kenworthy (mouth of creek, coastal drainage of mts.); San Jacinto Mountains, Thomas Valley, Pipe Creek 1371 Comment
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Mar 13 2011
  SEINET10447236  Opuntia echinocarpa Billy Joe Cox 1975-4-23 Cox 4172 Riverside Palo verde, 1-3 km w, creosote desert scrub, sandy and gravelly entisols. 70 Comment
  SD167377  Opuntia littoralis Scott D. White 1994-6-23 2101 Riverside Temecula/Murrieta Region, Santa Gertrudis Creek, ca. 1 mile east of Skunk Hollow; Bachelor Mountain 7.5' quad. 395 Comment
  POM274017  Opuntia parryi Lyman Benson 1933-3-31 4148 Riverside US 66 [actually US 60], 10 mi E of Banning. 457 Comment
  SBBG87953  Opuntia polyacantha var. erinacea A. C. Sanders 1984-4-21 5019 Riverside Pinyon Flat S of Hwy 74 and W of the dolomite mine Comment
  RSA554004  Opuntia vaseyi B. D. Parfitt, Rita Anthony, Andy Sanders 1986-4-19 3498 Riverside SSE of Lake Elsinore on the Mesa de Colorado, opposite side of road from large vernal pool protected by the Nature Conservency. 549 Comment
  RSA0104790  Orobanche bulbosa Steve Boyd, Ken Berg, Sandy Morey, Jon E. Keeley 1992-5-3 7171 Riverside Vail Lake area, ridge about 1 mile west of the lake, east of Little Oak Mountain. 609 Comment
  RSA709922  Orobanche cooperi Sarah J. De Groot, Leland Lubinsky, Naomi S. Fraga, Lisa Rojas 2005-2-10 4638 Riverside Along Palen Pass Road, sandy area near Palen/McCoy Wilderness boundary. Bajada of mountains, just north of Palen Lake (dry). 170 Comment
  UC888001  Orobanche cooperi P. A. Munz, D. Keck 1922-4-13 4960 Riverside Colorado Desert, s base of Eagle Mountains Eagle Mountains; Colorado Desert, Eagle Mountains 213 Comment
  UCR35209  Orobanche fasciculata L. B. Ziegler 1968-5-22 299 Riverside San Jacinto Mtns, Hemet Valley in the lower side canyons 1402 Comment
  RSA0104797  Orobanche fasciculata Edmund C. Jaeger 1921-7-18 s.n. Riverside Caramba, Taquitz Creek, San Jacinto Mts. 1828 Comment
  RSA402100  Orthocarpus purpurascens G. R. Johnstone 1934-3-27 s.n. Riverside Near Wildomar. Inland route to Temecula. Comment
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Dec 11 2011
  RSA550045  Orthocarpus purpurascens Walter Wisura, A. King, L. Newcomb 1992-4-10 4662 Riverside Colorado Desert, Morongo Valley, Mission Creek Ranch W of Highway 62 below Morongo Valley. Comment
  CAS-BOT-BC355749  Osmadenia tenella Steve Boyd 1986-5-7 1826 Riverside Alberhill Mountain: Lower slopes of south flank, just E of claymine area Comment
  SD152795  Oxalis californica Steve Boyd 1992-4-14 6873 Riverside Santa Ana Mtns, San Mateo Wilderness Area. Bluewater Cyn along Bluewater Tr. Downstream to the confluence with San Mateo Creek 334 Comment
  RSA751627  Oxalis pes-caprae G. Gust, L. Nye 2005-3-11 539 Riverside Lake Elsinore City Limits. At intersection of Ellis St. and Franklin St. in an overgrown disturbed site. 400 Comment
  CLARK-A1528-3756  Oxytheca emarginata John C. Roos 1941-5-10 126 Riverside San Jacinto Mountains 1219 Comment
  RSA553952  Oxytheca emarginata G. R. Ballmer 1991-6-22 s.n. Riverside SE end of Garner Valley, on Pacific Crest trail, 2-3 miles N of jct. with Hwy 74; in vicinity of Bull Canyon Comment
  UC421648  Oxytheca trilobata John Thomas Howell 1927-8-2 2920 Riverside near Idyllwild; Mt. San Jacinto 1676 Comment
  CLARK-A1528-692  Paeonia californica John C. Roos 1937-4-17 Riverside Aguanga Comment
  UCR176269  Paeonia californica Teresa Nieto 2005-4-14 04 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  CAS-BOT-BC327928  Palafoxia arida Lewis S. Rose 1936-1-1 36003 Riverside Colorado Desert. L.A. Aqueduct Road, 15 mi N of Indio 304 Comment
  UCR116817  Palafoxia arida A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23948 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  RSA780233  Palafoxia arida var. arida Stephanie Rockwood, Christi Gabriel 2011-10-12 112 Riverside Rice Valley Dunes, Rice Valley Wilderness. Highway 62 toRice Valley Dunes Road to Midland Vidal Road (Power Line Access Road). South/South east side of dunes. 244 Comment
  UCR196382  Palafoxia arida var. arida Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Pesach Lubinsky 2005-2-10 1419 Riverside Northeastern Colorado Desert, along Palen Pass Road, near Hwy 177 170 Comment
  UCR239246  Palafoxia arida var. arida Thomas R. Stoughton, J. McConnaughy, A. Monks 2010-12-1 722 Riverside Sonoran (Colorado) Desert, Coachella Valley Preserve, c. 0.25 mile east of road. Site #3 305 Comment
  UCSB9919  Palafoxia arida var. arida Gunnerson, Robert 1953-3-21 Riverside 9 miles east of Indio Comment
  VVC695  Palafoxia arida var. arida P. J. MacKay, T. Thomas 1997-2-8 100 Riverside Colorado Desert, Palm Springs, Tahquitz debris basin mouth of Tahquitz Canyon Comment
  RSA653216  Palafoxia linearis var. linearis John Wallace, Steve McNabb 1991-5-5 4 Riverside Colorado River. River Bend Lodge Comment
  UCR2624  Panicum capillare F. M. Reed 1903-12-18 416 Riverside Riverside, Box Springs Mtns. foothills, natural bridge, Little Arroyo. (E edge of town near Tequesquite Arroyo and Chicago Ave., 'Little Arroyo' evidently drained into Arroyo T. from the N a short distance west of Chicago Ave.- notes by A. Sanders, 1993) 293 Comment
  RSA0087456  Panicum dichotomiflorum subsp. dichotomiflorum Sarah J. De Groot, Amy Rouillard 2015-9-15 7568 B Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  UC577430  Panicum hirticaule subsp. hirticaule J. and H. W. Grinnell 1937-11-30 1082 a Riverside 24 mi w Blythe (bed of Ford Dry Lake); bed of Ford Dry Lake Comment
  OBI69398  Panicum urvilleanum Dave Hawks 1986-4-17 s.n. Riverside Whitewater River channel, 1 mi S of hwy I-10, and 2 mi W of Indian Ave (Desert Hot Springs 7.5' Quad: T3S, R4E, S1/2 of sect 20 & 21, near center line between the two sections) 259 Comment
  POM366029  Panicum urvilleanum Martha Hilend 1928-3-11 105 Riverside About 6 miles SE of Garnet Station Comment
  CAS-BOT-BC422794  Papaver californicum A. C. Sanders; P. MacKay; T. Thomas; O. Clarke 1997-5-4 20631 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
  UC56956  Parietaria hespera var. hespera W. L. Jepson and H. M. Hall Riverside Palm Canyon 457 Comment
  UCR33644  Parkinsonia aculeata Faulkner 1978-4-27 478 Riverside Sonoran (Colorado) Desert, 3 miles east of Blythe 137 Comment
  UCSB17562  Parkinsonia florida Winn, Will 1963-4-8 Riverside 31 mi. E of Desert Center on U.S. Highway 60-70 243 Comment
  RSA667027  Paspalum distichum A. C. Sanders, Mitch Provance 1999-9-26 23090 Riverside Lake Hemet, north shore at FS day use area 1323 Comment
  UCR163874  Pectis papposa B. G. Pitzer 2000-11-4 4242 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
  CAS-BOT-BC355866  Pectis papposa var. papposa Lewis S. Rose 1961-11-24 61063 Riverside La Quinta 15 Comment
  JOTR16608  Pectis papposa var. papposa Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. ROADSIDE BETWEEN RYAN MOUNTAIN AND CAP ROCK 1310 Comment
  UC170154  Pectis papposa var. papposa E. E. Schellenger 1894-8-1 80 Riverside near Schellinger's Ranch (Colorado Desert); Colorado Desert Comment
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Jun 18 2011
  UC577423  Pectis papposa var. papposa J. and H. W. Grinnell 1937-11-30 1084 a Riverside 24 mi w Blythe (bed of Ford Dry Lake); bed of Ford Dry Lake Comment
  UCR213570  Pectocarya anisocarpa A. C. Sanders, Matthew Malle 2010-4-23 38000 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  RSA517909  Pectocarya heterocarpa Steve Boyd, T. S. Elias, Erika Winter 1986-2-18 1314 Riverside Mecca Hills, Colorado Desert: Painted Canyon N of Highway 195. Comment
  RSA682121  Pectocarya heterocarpa Valerie Soza 2003-3-15 s.n Riverside Orocopia Mountains. Comment
  UCR116610  Pectocarya heterocarpa A. C. Sanders 2001-3-20 23833 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, NW corner of intersection of Pierson Blvd. and Atlantic Blvd., between flood control ditch and Pierson, west of high school 335 Comment
  UCR213394  Pectocarya heterocarpa A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37455 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  UCR176196  Pectocarya linearis Amber Bruno 2005-4-3 02 Riverside Riverside; east side of UC Riverside, east end of Big Springs Rd. on north side of road, 0.25 mi. east of Watkins Dr. but west of the railroad track, Islander Park 351 Comment
  UCR256745  Pectocarya linearis T. B. Salvato, Matthew Malle 2013-4-11 7534 Riverside Gavilan Hills, southeastern slopes, hill above Black Powder Canyon and c. 0.5 mi north of the Temescal Canyon 419 Comment
  RSA487456  Pectocarya linearis subsp. ferocula D. C. Hawks 1988-3-27 s.n. Riverside Between Aguanga and Anza SE of intersection of Dove and Sycamore Streets, S of Hwy 371. Tule Creek drainage, 1.75 mi airline NE of Aguanga. 762 Comment
  SDSU18953  Pectocarya linearis subsp. ferocula C. Matt Guilliams, Jeannine Ross 2008-3-12 535 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. 436 Comment
  RSA0039459  Pectocarya penicillata A. C. Sanders, Timothy W. Chumley 2013-4-2 40734 Riverside Temescal Canyon at west side of Horsethief Canyon Rd., south of I-15 Fwy, SE of Corona (Lee) Lake 390 Comment
  UCR241683  Pectocarya penicillata T. B. Salvato 2013-3-22 7408 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), south of Los Alamos Rd, rocky slopes flanking Warm Springs Creek 396 Comment
  UCR167449  Pectocarya peninsularis 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
  GMDRC9810  Pectocarya platycarpa J. M. Andre 2017-3-1 38032 Riverside Chuckwalla Mountains: along powerline road 1.2 mi. SW of Interstate 10 at Eagle Mtn Rd exit 387 Comment
  SEINET7063462  Pectocarya platycarpa A. G. Vestal 1947-3-31 s.n. Riverside About 2.3 miles north of Lake Elsinore off present I 15. UTM Zone 11, 467263mE, 3929340mN. (WGS84/NAD83). 396 Comment
  UCR214557  Pectocarya platycarpa A. C. Sanders 2010-3-15 37420 Riverside Sonoran (Colorado) Desert, western edge of Blythe near the airport, Black Rock Rd. near the Mesa Dr. and I-10 intersection 120 Comment
  RSA777328  Pectocarya recurvata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 825 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 495 Comment
  RSA741190  Pectocarya setosa Scott D. White, Justin M. Wood 2008-6-16 12131 Riverside Fobes Ranch Road N of Quinn Flat 1390 Comment
  UC25025  Pectocarya setosa H. M. Hall 1899-5-1 1183 Riverside Nigger Jim Hill San Jacinto Mountians, Cahuilla Indian Reservation Comment
  RSA500078  Pedicularis densiflora Steve Boyd, Tim S. Ross, L. Arnseth 1989-4-2 3234 Riverside Vail Lake Area. Sandstone ridge between Kolb Creek and Temecula Creek, forming peninsula at SW end of lake. Comment
  UCSB8447  Pediomelum californicum Haller, John 1950-5-21 Riverside San Jacinto Mtns. Pinyon Flat 1219 Comment
  RSA686755  Pellaea andromedifolia J. D. Olmsted 1962-5-10 3630 Riverside Coldwater Canyon, Corona city water supply 396 Comment
  RSA689566  Pellaea andromedifolia Scott D. White, Michael Honer 2003-4-25 9118 Riverside Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  UCR163398  Pellaea mucronata 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
  RSA125967  Pellaea mucronata var. mucronata E. K. Balls, Percy C. Everett 1957-11-4 22751 Riverside Snow Creek, N. base of San Jacinto Mts. 701 Comment
  UCR76180  Pennisetum setaceum Scott Holbrook 1993-4-28 s.n. Riverside San Jacinto Mtns., Chino Canyon 610 Comment
  RSA618387  Penstemon centranthifolius D. L. Banks 1997-5-5 1977 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  SFV17407  Penstemon clevelandii M. S. Valenzuela, P. Wilson, G. Aldridge, H. Crandall 1998-6-5 73 Riverside Highway 74 near Santa Rosa Mountain Road. 1220 Comment
  RSA412500  Penstemon clevelandii subsp. connatus N. C. Cooper 1944-5-20 2623 Riverside Palms to Pines Highway, San Jacinto Mountains. 915 Comment
  UCR12520  Penstemon clevelandii subsp. connatus Frank C. Vasek 1972-4-1 s.n. Riverside San Jacinto Mtns., In one of the westerly branches of Palm Canyon where it intersects the 'Pines to Palms Highway Comment
  NY583961  Penstemon clevelandii var. connatus C. B. Wolf 1939-9-29 9461 Riverside Desert slopes of San Jacinto Range, 1 2/10 mile above Ribonwood on the Palms-Pines road. 1280.2 Comment
  SD134368  Penstemon clevelandii var. connatus Craig Reiser 1991-5-27 Riverside Palms to Pines Highway near Santa Rosa Peak turnoff Comment
  UC886890  Penstemon clevelandii var. connatus P. A. Munz 1922-7-1 5931 Riverside Old Nicholas Canyon Santa Rosa Mts., Old Nicholas Canyon 1463 Comment
  JEPS11570  Penstemon clevelandii var. mohavensis J. B. Feudge 1926-5-9 1584 Riverside Keyes Ranch Conchilla Mountains, Little San Bernardino Mts. 1219 Comment
  RSA402129  Penstemon labrosus N. C. Cooper 1944-7-15 1589 Riverside Palms to Pine Hwy 1463 Comment
  SBBG66551  Penstemon labrosus E. Rockwell 1920-7-4 Riverside Idyllwild Comment
  RSA709452  Penstemon spectabilis T. B. Salvato, John Green 2004-5-27 627 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
  SD136744  Penstemon spectabilis Steve Boyd, Tim Ross 1992-5-15 7407 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 671 Comment
  RSA0070723  Pentagramma triangularis Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. [County not specified on label. Could be Orange, Riverside, or San Diego County] 609 Comment
  CAS-BOT-BC71581  Pentagramma triangularis subsp. maxonii D. A. Johansen; J. A. Ewan 1932-4-11 7069 Riverside Ravine at mouth of Tahquitz Canyon, Western Colorado Desert Comment
  CAS-BOT-BC77481  Peritoma arborea var. angustata Lewis S. Rose 1935-12-20 35676 Riverside Whitewater 335 Comment
  CAS-BOT-BC77526  Peritoma arborea var. arborea Philip A. Munz 1940-3-24 15713 Riverside 2 miles north of Cottonwood Springs, Eagle Mts. 914 Comment
  JEPS34960  Perityle emoryi Mary Beal 1941-4-6 861 Riverside Box Canyon Colorado Desert, Coachella Valley, Mecca Hills Comment
  RSA4935  Perityle emoryi C. B. Wolf 1932-4-27 3062 Riverside North base of Chuckwalla Mountains, 5 miles East of Desert Center, Colorado Desert. 152 Comment
  RSA727863  Perityle emoryi Naomi Fraga, Lisa Rojas 2005-2-10 1360 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  SD215413  Perityle emoryi W. Wisura, J. Dolan and M. Wall 1992-3-24 4640 Riverside 5.6 miles south of I-10 on road to Corn Spring. Comment
  UCR102743  Perityle emoryi B. G. Pitzer 1998-2-1 3441 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed 427 Comment
  UCR72177  Perityle emoryi Theo Glenn 1991-5-15 91- 41 Riverside Sonoran (Colorado) Desert, Little Maria Mountains, NW of Blythe 351 Comment
  RSA0021423  Perityle emoryi A. L. Haines 1973-3-25 s.n. Riverside Orocopia Mountains 473 Comment
  SDSU13613  Persicaria lapathifolia W. Miller, C. Mosse 1972-8-9 Riverside Comment
  RSA247995  Petalonyx thurberi Robert F. Thorne, S. T. Blake 1965-6-1 34712 Riverside Morongo Valley pass 488 Comment
  UCD117309  Petalonyx thurberi F. R. Lawson 1929-12-12 11- 8 Riverside Mecca. Comment
  SBBG69399  Petalonyx thurberi subsp. thurberi R. Hoffmann 1928-10-21 Riverside below Fig Tree John's [Figtree John Spring] -60 Comment
  POM178398  Peucephyllum schottii Marcus E. Jones 1930-4-1 25939 Riverside Shaver's Well Comment
  RSA515204  Peucephyllum schottii Steve Boyd, Orlando Mistretta 1986-3-13 1479 Riverside West Side Palen Mts: NE of Desert Center; first large canyon at NW tip of western segment of range. Comment
  CAS-BOT-BC6766  Phaca arenicola Samuel Bonsal Parish 1913-2-28 8467 Riverside Mecca. Salton Basin -60 Comment
  RSA0119994  Phacelia affinis Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9085 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
  RSA348924  Phacelia ambigua Robert F. Thorne, R. Rutherford 1964-4-12 33657 a Riverside 1 mile W of turnoff to Cottonwood Wells [Springs]. Larrea desert scrub along Hwy. 60-70. Comment
  RSA475289  Phacelia ambigua Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, Tim Ross, D. Nordin 1988-3-10 2101 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  UCR104909  Phacelia brachyloba A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20648 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  VVC262  Phacelia brachyloba A. C. Sanders 1997-5-4 20648 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
  SJSU6024  Phacelia campanularia R. C. McGehee 1970-4-28 229 Riverside 0.5 mi S of Cottonwood Pass, Joshua Tree National Monument Comment
  JOTR34220  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 Mts, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area Comment
  RSA602274  Phacelia campanularia subsp. vasiformis Louis C. Wheeler 1952-4-6 6855 Riverside Joshua Tree Wilderness; Cottonwood Mountains Region: Near Cottonwood Spring. Comment
  UCR187468  Phacelia cicutaria var. hispida Diane Menuz 2006-6-6 134 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, Miller Canyon, 1 hour hike from road 549 Comment
  NY43345  Phacelia crenulata C. R. Annable 1995-3-15 2280 Riverside 2.7km SW of Valerie, on road to Martinez Canyon Comment
  RSA0043230  Phacelia crenulata var. ambigua Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11284 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
  UC1922409  Phacelia crenulata var. ambigua Naomi Fraga, Lisa Rojas 2005-2-10 1361 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCR103581  Phacelia crenulata var. ambigua George K. Helmkamp, E. A. Helmkamp 1998-1-17 2541 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal .3 Comment
  RSA0094788  Phacelia crenulata var. minutiflora Duncan S. Bell, Andrew Chambers, Jacob B. Landis, Evan Meyer, Billy Sale 2015-4-2 7936 Riverside San Gorgonio Pass area, between Cabazon and Whitewater, just south of Interstate 10, where the Pacific Crest Trail passes under the freeway. 397 Comment
  JEPS1534  Phacelia curvipes W. L. Jepson 1901-5-24 1421 Riverside Vandeventer Flat Santa Rosa Mts., Van de Venter's Ranch Comment
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Jun 19 2011
  UC64055  Phacelia curvipes H. M. Hall May 1899 1170 Riverside El Toro Peak San Jacinto Mountains 2133 Comment
  CHSC35344  Phacelia distans James Henrickson 1973-3-18 8600 Riverside 16 (air) miles E of Temecula, 2.9 miles E of Aguanga along Hwy 71. 822 Comment
  POM118674  Phacelia distans Marcus E. Jones 1924-7-22 s.n. Riverside Desert Center. Comment
  RSA346643  Phacelia distans Barry Burnell 1970-3-24 162 Riverside 2 miles up Tramway Road off Hwy 111 Chino Canyon, San Jacinto Mts. 457 Comment
  SEINET7096699  Phacelia minor A. G. Vestal 1962-4-8 s.n. Riverside In bushes ca. 3.5 miles northeast of Lake Elsinore. NAD27, 33? deg. 42' 56ao, -117?_ 18' 09ao (converted to WGS84 decimal degrees) UTM Zone 11 471978mE, 3730462mN. Comment
  UCR241000  Phacelia ramosissima Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 21 Riverside South Coast/Peninsular Range, Riverside, Sycamore Canyon, near the entrance to the park 396 Comment
  UCR159771  Phacelia ramosissima var. latifolia Scott D. White 1999-5-24 7374 Riverside Peninsular Ranges/ Perris-Aguanga Basin, Perris/Sun City area: just east of Goetz Rd. and south of Ethanac Rd., c. 1.5-2 mi west of the I-215 freeway 473 Comment
  RSA741214  Phalaris aquatica Scott D. White, Justin M. Wood 2008-6-16 12107 Riverside Fobes Canyon, +- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  UC820502  Phalaris lemmonii P. A. Munz and I. M. Johnston 1922-5-18 5319 Riverside 3 mi sw Elsinore Comment
  UCR70826  Philadelphus microphyllus subsp. pumilus Percy C. Everett 1942-7-28 11294 Riverside San Jacinto Mtns, Several hundred yards below summit of Devil's Slide Trail (Trail to Mt. San Jacinto) 2439 Comment
  RSA0057659  Philadelphus microphyllus var. stramineus P. A. Munz, I. M. Johnston 1924-7-27 8738 Riverside Dark Canyon, San Jacinto Mountains. 2287 Comment
  SD63337  Phlox austromontana Walter Bertsch 1957-6-29 950 Riverside Desert slope of Toro Peak, Santa Rosa Mountains 2438 Comment
  UCR121693  Phlox gracilis A. C. Sanders 2002-5-4 25043 Riverside San Jacinto Mtns., Idyllwild, Pine Crest Ave., NE of Hwy 243 1677 Comment
  HSC83021  Pholistoma membranaceum N. M. Fellows 1985-3-16 111 Riverside Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mts, 1 mi. W of Snow Creek Village 489 Comment
  CAS-BOT-BC135072  Phoradendron californicum Del Wiens 1955-10-17 960 Riverside Palms to Pines Highway between Palm Springs and Keen Camp, State Hwy. 74 Comment
  POM46959  Phoradendron californicum Mary F. Spencer 1920-3-15 1504 Riverside Mecca; 197 feet below sea level -60 Comment
  RSA220378  Phoradendron californicum C. W. Tilforth, John Dourley 1971-6-14 344 Riverside Between Chiriaco Summit and Red Butte Wash, aong aqueeduct maintenance rd. 534 Comment
  RSA420767  Phoradendron californicum M. B. Dunkle 1934-3-18 3857 Riverside Shavers Valley. Mecca Hills. W. of Shaver's Well. 91 Comment
  RSA793530  Phoradendron californicum Naomi S. Fraga, David Fraker, Tommy Stoughton 2012-3-15 3953 Riverside Off of Box Canyon Rd. S. of Shaver well in a wash. 229 Comment
  SEINET10739282  Phoradendron californicum J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12847 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then several kilometers on Whitewater Canyon Road to where it crosses over the river. Comment
  SEINET3004953  Phoradendron californicum G. Rink 2011-3-9 10377 Riverside Palo Verde Solar Site, southwest of Blythe 91 Comment
  UCR226494  Phoradendron californicum Jim Andre 2011-2-18 15823 Riverside Coachella Valley, north end of valley at base of Morong Canyon, 0.5 mi north of indian Canyon Road, 1 mi west of Hwy 62 473 Comment
  UCR135809  Phoradendron densum A. C. Sanders, Guy Bruyea 2004-4-2 27429 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 335 Comment
  UCR94257  Phoradendron macrophyllum Scott D. White 1996-4-14 3916 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
  UCR26446  Phoradendron pauciflorum A. C. Sanders, J. A. Harpel 1981-8-26 2335 Riverside Santa Rosa Mtns., Cedar Spring 2250 Comment
  CAS-BOT-BC171154  Phoradendron serotinum subsp. tomentosum P. A. Munz; E. K. Balls 1952-8-21 17969 Riverside Hamilton Canyon, SE end of San Jacinto Mountains 1432 Comment
  RSA790779  Phoradendron villosum M. E. Fishbein, Victor W. Steinmann, Ivonne Steinmann, J. Mark Porter, Stephen Dreher 1999-12-4 4096 Riverside Santa Rosa Mtns: Deep Canyon, just east of California 74. 976 Comment
  CLARK-A1528-4811  Phragmites australis John C. Roos 1947-11-1 3760 Riverside Eagle Mountain Comment
  RSA594133  Phyla nodiflora var. nodiflora D. L. Banks, Victor W. Steinmann 1996-4-20 899 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. 524 Comment
  RSA102378  Physalis crassifolia S. B. Parish, W. F. Parish 1882-04 16 Riverside Borders of Colorado Desert at Agua Caliente. Comment
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Dec 8 2014
  RSA25151  Physalis crassifolia C. Leo Hitchcock 1940-3-31 5896 Riverside Between Cottonwood Spring and Pinto Basin. Comment
  SD82817  Physalis crassifolia Norman C. Cooper 1944-4-8 1059 Riverside Andreas Canyon, floor of canyon 305 Comment
  UC583284  Physalis crassifolia Lewis S. Rose 1936-1-1 36001 Riverside 19 mi n Indio (Aqueduct Road); Colorado Desert 609 Comment
  UC724160  Physalis crassifolia Aven and Ruth Nelson 1939-3-29 3327 Riverside near Hidden Spring (a few mi from Mecca) Comment
  UC884718  Physalis crassifolia I. W. Clokey 1935-4-17 6881 Riverside Cottonwood Springs Comment
  UCR4493  Physalis crassifolia Frank C. Vasek 1960-3-24 600324- 17 Riverside Western Colorado Desert, Deep Canyon, Palm Desert [Palm Springs Museum's Deep Canyon Sanctuary] Comment
  UCR260255  Physaria tenella A. C. Sanders, Jim Malusa 2015-3-11 41395 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Gasline Road at junction with road to Observation Point Slats, US Navy Chocolate Mountains Aerial Gunnery Range 723 Comment
  MACF019838  Pinus X attenuradiata Robert Myers 1974-5-6 32 Riverside Clevland National Forest, in the Penny Pine Forest by El Cariso campground off Hwy 74. Collected in experimental hybrid area Comment
  SEINET10849813  Pinus jeffreyi Karen M. Meyer, Andrew Townesmith; Tracy Scott 2007-3-16 Meyer 20 Riverside San Bernardino National Forest. East off of Hwy. 243 at Marion Mt. camping area. Mixed Pine forest and Oak. 1921 Comment
  JEPS46788  Pinus quadrifolia W. L. Jepson and Hall 1901-1 Riverside Base of El Toro Comment
  POM262897  Pinus quadrifolia J. C. Roos 1938-8-7 585 Riverside Summit Pines to Palms Road, San Jacinto Mt. Comment
  UCSB17229  Pinus quadrifolia D. Breedlove 1961-8-5 958 Riverside ALONG CA HWY 74 AT JCT WITH ROAD TO ANZA 1371 Comment
  UCSB9554  Pinus quadrifolia DeWitt, Jack 1959-5-17 Riverside 5.1 miles down Hwy. 74 from Hemet Lake, San Jacinto Mtns. Comment
  CAS-BOT-BC136556  Piperia cooperi W. I. Lester 1895-1-1 s.n. Riverside Field redacted by CAS, contact the data manager for more information Comment
  CDA22277  Pipturus skottsbergii Carl Yonge 1962-11-2 Riverside Mrs. John Day property, 6582 Mitchell Street, Arlington. 0 Comment
  UCR88436  Pityrogramma triangularis A. C. Sanders, K. C. Rose 1995-4-5 16347 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  UCR91216  Pityrogramma triangularis var. triangularis Scott D. White 1996-3-31 3858 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  RSA559926  Plagiobothrys acanthocarpus Steve Boyd 1992-4-18 6895 Riverside Paloma Valley, between Sun City and Murrieta, E of Hwy I-215. Rolling Hills just SW of Jtn Briggs Rd and Scott Rd. Comment
  OBI53725  Plagiobothrys canescens Bill Wagner 1988-3-9 s.n. Riverside At Benton Rd and San Diego aqueduct, 1/2 mi E of Winchester Rd, NE of Murrieta 411 Comment
  SDSU18963  Plagiobothrys canescens var. canescens C. Matt Guilliams, Jeannine Ross 2008-3-12 534 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. 436 Comment
  UCR135841  Plagiobothrys collinus A. C. Sanders 2004-4-20 27537 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  UCR114842  Plagiobothrys collinus var. californicus Mitch Provance 1998-2-17 71 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 396 Comment
  UCR241608  Plagiobothrys collinus var. fulvescens A. C. Sanders, Timothy W. Chumley 2013-4-2 40747 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., near I-15 Fwy, SE of Corona (Lee) Lake 377 Comment
  RSA695816  Plagiobothrys collinus var. ursinus J. R. Bruff 1934-6-19 5506 Riverside San Jacinto Mountains Comment
  SD224885  Plagiobothrys leptocladus Scott D. White, Marty Jacobsmeyer 1996-4-20 3967 Riverside Perris Basin. Perris Area: Near Perris Airport; ca. 100 m S of Case Rd. and 100 m W of San Jacinto River Channel. USGS Perris 7.5' quad. Open grassland. 430 Comment
  SD224886  Plagiobothrys leptocladus A. C. Sanders, K. D. Jones & D. Malueg 1996-4-20 18048 Riverside San Jacinto River between Neuvo and Lakeview, from 11th to 13th Streets, alkaline flats among the E side of the river channel. 433 Comment
  UCR281124  Plagiobothrys leptocladus Mitch Provance, Jeremiah George 2017-3-23 317- 71 Riverside Elsinore Trough, Lake Elsinore, about 350 ft. NW of the corner of Diamond Dr. and Pete Lehr Dr. 386 Comment
  CLARK-A1528-340  Plagiobothrys nothofulvus unknown 1966-3-24 Riverside Pedley Comment
  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
  UCR138888  Plagiobothrys tenellus D. L. Banks 1997-4-5 1695 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
  VVC2184  Plagiobothrys undulatus Tim Thomas, Bill Baker 1983-6-30 579 C Riverside Santa Rosa Plateau, Burro Mesa 630 Comment
  SD262338  Plantago elongata Mitch Provance, Jeremiah George, Matt K, Beyers, John Hazlett 2017-3-29 317 24 Riverside Elsinore Trough: Periodic E shoreline of Lake Elsinore (e.g. 1994) in the City of Lake Elsinore, A+- borderline with the Sedco Hills Neighborhood, City of Wildomar, in open space along W side of Mission Trail at Lewis St. (Lake Elsinore 7.5'Q) 387 Comment
  UCR16545  Plantago elongata O. F. Clarke, E. W. Lathrop 1966-5-10 s.n. Riverside Peninsular Range; Santa Ana Mtns., near lake on Mesa de Colorado 628 Comment
  UCR234424  Plantago elongata Jeremiah George 2012-3-4 s.n. Riverside Peninsular Range; Elsinore Trough, Lake Elsinore area, south of Nichols Rd. and east of Baker St. 387 Comment
  SDSU12233  Plantago erecta Tahirih Linz, M. G. Simpson 2000-4-1 2 Riverside Comment
  UCR113886  Plantago erecta Mitch Provance 1998-4-9 407 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', or variously referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 259 Comment
  OBI23291  Plantago ovata Robert F. Hoover 1969-4-14 11237 Riverside Palm Springs, just S of city limits Comment
  UC577432  Plantago ovata J. and H. W. Grinnell 1937-11-30 1083 a Riverside 24 mi w Blythe (Bed of Ford Dry Lake); Ford Dry Lake Comment
  UCR178545  Plantago ovata R. G. Swinney 1967-2-19 0041 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 335 Comment
  UCR85084  Plantago ovata A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16031 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  POM46962  Plantago ovata var. fastigiata Mary F. Spencer 1920-3-22 1487 Riverside Palm Springs. 122 Comment
  POM68827  Plantago ovata var. fastigiata Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  CHSC108903  Plantago patagonica Duncan S. Bell; Joy England 2010-5-17 1008 Riverside Peninsular Ranges; San Jacinto Mountains region: San Bernardino National Forest: Rouse Ridge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15. In an open sunny flat. 1045 Comment
  UC1618005  Plantago patagonica Donald G. Nelson 1936-5-24 417 Riverside Hurkey Creek Camp Comment
  UCR86647  Plantago patagonica A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16258 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  UCR129783  Platanthera dilatata var. leucostachys P. A. Munz 1922-7-7 6065 Riverside San Jacinto Mtns., meadow [Skunk Cabbage M.?] north of Tahquitz Valley 2439 Comment
  UC218258  Platanthera leucostachys P. A. Munz 1922-7-7 6065 Riverside n Tahquitz Valley; San Jacinto Mts. 2225 Comment
  JOTR31183  Platystemon californicus La Doux, Tasha, G. Clifton 2009-5-14 1980 Riverside Joshua Tree National Park. (Stop 1)Little San Bernardino Mountains, Upper Covington Flats, west of trail head 1474 Comment
  UCR35346  Platystemon californicus L. B. Ziegler 1967-4-25 119 Riverside Perris-Aguanga Basin, Pauba Ranch [SE of Temecula in Pauba Valley, off Hwy 79] 381 Comment
  UC28847  Plectritis ciliosa subsp. insignis H. M. Hall May 1899 1126 Riverside San Jacinto Mountains, on Chalk Hill Chalk Hill; San Jacinto Mountains, Chalk Hill 1584 Comment
  RSA775120  Pleuraphis rigida Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5026 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.00456, W116.67238 and N33.99629 and W116.66015 750 Comment
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May 22 2012
  SD125619  Pleurocoronis pluriseta Steven A. Junak 1983-3-23 1628 Riverside East side of Jefferson Road across from entrance sto Cahuilla Lake County Park; south of Indio. Comment
  UC126887  Pleurocoronis pluriseta H. M. Hall 1905-4-16 5795 Riverside 11 km w Coachella; Colorado Desert, Marshall Canyon 30 Comment
  POM4878  Pluchea odorata Geo R. Hall 1905-09 s.n. Riverside Riverside Comment
  LA203868  Pluchea sericea Martha Hilend; 1929-3-24 sn Riverside Thousand Palms Comment
  RSA0120628  Pluchea sericea Duncan S. Bell, Thomas Stoughton 2016-3-16 8943 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southeastern section of range, approximately 2.5 air miles northeast of Gucci Spring. 408 Comment
  UC1563108  Pluchea sericea Steve Boyd, Tim Ross, Laurel Arnseth 1989-6-10 3663 Riverside below the dam Temecula Creek canyon; Vail Lake Area 457 Comment
  UCD90292  Poa annua Alan A. Beetle 1946-6-10 4402 Riverside San Jacinto Mt., Camp Keene Meadow. Comment
  CAS-BOT-BC246626  Poa howellii S. B. Parish 1907-4-18 6141 Riverside Tahquitz on West Canon [Canyon], Palm Springs. Western border of the Colorado Desert 200 Comment
  SEINET244233 Image available Poa secunda A. C. Sanders, Mark Elvin; Julie M. Vanderwier 2002-4-9 24939 Riverside The Badlands; hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 610 Comment
  UCD169224  Poa secunda Elizabeth A. Kellogg; Elizabeth L. Taylor 1980-5-20 304 -13 Riverside On N side of Hwy. 74. Comment
  SD137944  Poa secunda subsp. secunda Darin L. Banks 1995-5-9 345 Riverside NW Palomar Mtns., N of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground 730 Comment
  RSA596151  Polygala cornuta var. fishiae D. L. Banks 1996-11-7 1188 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; At the end of the main road in the Reservation., Approximately 200 m NW of the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 457 Comment
  UCR112479  Polygonum argyrocoleon A. C. Sanders, Mitch Provance, T. B. Salvato 2000-4-18 23327 Riverside Coachella Valley, along Dillon Rd. at junction with Tyler, north of I-10, east of Indio and north of Coachella 5 Comment
  UCR16519  Polygonum aviculare H. C. Sharma 1976-4-20 760420- 05 Riverside UCR area. Across railway line just behind Alphabeta stores 259 Comment
  UC64590  Polygonum douglasii subsp. douglasii H. M. Hall July 1901 Riverside San Jacinto Mountains; meadow of w side 2286 Comment
  CHSC8342  Polypodium californicum Edward L. Smith 1958-3-6 344 Riverside Located at Cold Water Canyon, Glenn Ivy, sw side of Temescal Road, Temescal Mtns. 762 Comment
  POM9369  Polypodium hesperium Robert Kessler 1921-10 s.n. Riverside North side of Tahquitz Peak, San Jacinto Mountains Comment
  SDSU13921  Polypogon maritimus Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2140 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  UCD91193  Polypogon maritimus K. Esau 1935-6-15 s.n. Riverside Hemet Valley. Comment
  UCR140702  Polypogon monspeliensis A. C. Sanders 2004-5-12 27868 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  UCR82908  Polypogon monspeliensis A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15794 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  RSA510044  Polypogon viridis B. Pitzer, H. Pitzer, J. Hall 1987-5-23 577 Riverside Whitewater Canyon, from N edge of Fish Hatchery to ca. 1/2 mile N of it; ca. 5.5 mile N of I-10 on Whitewater Canyon Road. 732 Comment
  RSA763062  Polystichum imbricans subsp. curtum E. W. Lathrop 1973-6-28 7444 Riverside Bear Springs on the Main Divide Truck Trail, 1 mi E of Santiago Peak, Cleveland National Forest. Comment
  SEINET12976199  Populus deltoides Ronald L. Hartman 1972-3-23 3233 Riverside Hwy 111, 2 mi N of Palm Springs. Comment
  CAS-BOT-BC102607  Populus fremontii D. A. Johansen; J. A. Ewan 1932-4-10 7051 Riverside Warners Ranch at Whitewater, Western Colorado Desert Comment
  POM257339  Populus fremontii Carl B. Wolf 1932-4-28 3084 Riverside Along the Colorado River near the Blythe Bridge. 91 Comment
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Mar 26 2011
  UCR119418  Populus fremontii Mitch Provance 1998-6-24 712 Riverside Jurupa Mountains, Canyon NE of the Jurupa Mountains Culture Center, c. 0.7km SW of peak 1701. 335 Comment
  UCR197058  Populus nigra A. C. Sanders, D. L. Sanders 2008-9-27 36107 Riverside San Bernardino Valley Region, Santa Ana Riverbottom at Norco, between Corydon Av. (Fire Sta. 21) and a point NW of Vine St. & Halfmoon Ct. intersection, c. 1 mile NE of River Rd. bridge 165 Comment
  CAS-BOT-BC356157  Porophyllum gracile A. C. Sanders; T. B. Salvato; Kelly Volansky 2006-5-28 32644 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  JOTR32158  Porophyllum gracile La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2311 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  UCD135030  Porophyllum gracile C. L. Hitchcock 1966-3-21 24330 Riverside Mule Mountains, 20 miles southwest of Blythe. Comment
  UCR137692  Porophyllum gracile D. L. Banks, V. W. Steinmann 1997-3-13 1477 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
  VVC2105  Porophyllum gracile Tim Thomas 2012-8-23 5871 Riverside Colorado Desert, WNW of Blythe on east side of McCoy Mtns, 5 miles north of I-10 168 Comment
  CAS-BOT-BC452154  Potamogeton diversifolius H. M. Hall 1901-7-1 2490 Riverside San Jacinto Mountains. Shores of Lake Surprise 2499 Comment
  RSA13653  Potentilla glandulosa subsp. nevadensis Philip A. Munz 1922-7-6 5987 Riverside San Jacinto Mountains: Tahquitz Valley. 2195 Comment
  UC123561  Potentilla rimicola F. M. Reed 1908-7-15 2529 Riverside summit of Tahquitz San Jacinto Mountains, summit of Tahquitz 2621 Comment
  RSA0013895  Proboscidea althaeifolia Steve Boyd, Valerie Soza, Tasha La Doux 1997-10-13 10062 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
  UC2026428  Proboscidea althaeifolia Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10062 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
  UCR18679  Proboscidea althaeifolia Frank C. Vasek 1971-9-8 710908- 01 Riverside Sonoran (Colorado) Desert, Dry lake, 3 mi. north of Desert Center. Comment
  POM275714  Prosopis glandulosa var. torreyana Lyman D. Benson 1942-8-11 11309 Riverside 20 miles west of Blyther 305 Comment
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Jul 10 2012
  RSA699635  Prosopis juliflora var. glandulosa Keith E. Hoffmaster 1933-4-14 s.n. Riverside Tahquitz Canyon Comment
  POM296501  Prunus fasciculata Lyman D. Benson 1945-3-29 11631 Riverside Canyon on Palm Spring Rd. Colorado Desert Drainage Area. 671 Comment
  UC668374  Prunus fasciculata Annie M. Alexander and Louise Kellogg 1941-4-24 2075 Riverside Morongo Valley, Dry Morongo Creek Dry Morongo Creek; Morongo Valley, Dry Morongo Creek 640 Comment
  CAS-BOT-BC151115  Prunus fremontii Philip A. Munz 1937-5-30 15133 Riverside Dos Palmos Spring, north end of Santa Rosa Mts. 1097 Comment
  RSA453238  Prunus fremontii Anstruther Davidson 1893-4-10 1844 Riverside Palm Springs. Comment
  SD216523  Prunus fremontii Jay B. Walker, Noah C. Goldstein 1995-3-21 1266 Riverside West of Palm Desert along Highway 79, 3 kilometers east of Pinyon Flat Campground 1200 Comment
  RSA395366  Prunus ilicifolia Steve D. Boyd 1986-4-22 1729 Riverside Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mtn. and Gavilan Hills. Comment
  RSA454142  Prunus ilicifolia Gale Sphon 1955-5-21 s.n. Riverside 3 miles south of Banning. Comment
  CAS-BOT-BC356331  Psathyrotes ramosissima Philip A. Munz 1940-3-23 15670 Riverside South base of Pinto Mts., road Dale to Cottonwood Springs 609 Comment
  RSA472313  Psathyrotes ramosissima M. B. Dunkle 1933-5-6 3445 Riverside Painted Canyon, Colorado Desert 30 Comment
  UC566626  Psathyrotes ramosissima Margaret Stason 1927-2-12 Riverside 1000 Palm Canyon Colorado Desert Comment
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1
  UC829349  Psathyrotes ramosissima Alice Eastwood 1913-4-30 3118 Riverside Palm Springs Comment
  UCR166855  Psathyrotes ramosissima Chet McGaugh 2005-1-27 s.n. Riverside Sonoran (Colorado) Desert, E of Salton Sea, along Coachella Canal between siphons 26-27 NE of Dos Palmas Spring 24 Comment
  RSA559456  Pseudognaphalium biolettii Steve Boyd 1992-5-4 7211 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  CAS-BOT-BC356790  Pseudognaphalium californicum Jennifer H. Jones 2006-5-16 301 Riverside Peninsular Ranges: Box Springs Mtns. E end of Big Springs Road, N side 372 Comment
  UC1719666  Pseudognaphalium luteoalbum Steve Boyd, Aydee Virgen 2004-4-13 10865 Riverside Peninsular Ranges; Santa Ana Mountains region; San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UC489194  Pseudognaphalium stramineum C. V. Meyer 1928-7-30 589 Riverside Saunder's Meadow San Jacinto Mts., Saunder's Meadow 1676 Comment
  UC62971  Pseudognaphalium thermale H. M. Hall 1897-8-1 835 Riverside Strawberry Valley San Jacinto Mountains, Strawberry Valley 1615 Comment
  UCSB41945  Pseudotsuga macrocarpa Ericson, Trudy 1974-11-9 Riverside Aproximately 5 mi. west of intersection of St. 74 and 243, going toward Hemet; San Bernardino National Forest 1219 Comment
  SD244088  Psilocarphus brevissimus T. B. Salvato, Matt MallA^, Tom Sullivan 2013-3-27 7444 Riverside Perris-Aguanga Basin: Menifee, vacant lot north of Newcomp Substation, at southwest corner of Lazy Creek Road and Murrieta Road, (Romoland 7.5'Q) 431 Comment
  CAS-BOT-BC361785  Psilocarphus brevissimus var. brevissimus A. C. Sanders 1993-5-12 14004 Riverside Hemet, SW corner of the intersection of Florida Ave. (Hwy 74) and Warren Rd., between the New San Diego Aqueduct and Warren 460 Comment
  CAS-BOT-BC346364  Psorothamnus Marcus E. A M Jones 1925-9-7 s.n. Riverside Palm Spring Comment
  JOTR29307  Psorothamnus arborescens var. simplicifolius La Doux, Tasha, Mike Bell 2006-5-17 1384 Riverside Joshua Tree National Park. East Deception Canyon Comment
  RSA48326  Psorothamnus emoryi E. K. Balls 1949-4-4 129060 Riverside Hollows between Durmid and Salton sea on Hwy 111. -30 Comment
  SFV1811  Psorothamnus emoryi E. R. Blakley 1961-9-10 4707 Riverside 20 miles west of Blythe at desert wash crossing of US-Highway 60-70. 107 Comment
  RSA776384  Psorothamnus emoryi Amber Swanson 2011-4-8 371 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  JEPS41645  Psorothamnus schottii I. W. Clokey, B. C. Templeton 1930-4-9 4688 Riverside North of Palm Springs, Colorado Desert 51 Comment
  RSA5162  Psorothamnus schottii Carl B. Wolf 1932-4-26 2973 Riverside Colorado Desert: 5 mi. E of Mecca on Blythe rd. 30 Comment
  UC68510  Psorothamnus schottii H. M. Hall 1905-4-1 5973 Riverside Chuckawalla Mt. , Chuckawalla Mt. (Colorado Desert) Comment
  UC866000  Psorothamnus schottii I. W. Clokey, B. C. Templeton 1930-4-9 4688 Riverside n Palm Springs (Colorado Desert); , n of Palm Springs 170 Comment
  UCR158770  Psorothamnus schottii Lyman Benson, Robert Benson 1952-4-8 14848 Riverside Sonoran (Colorado) Desert, 2 mi. west of Shaver Summit [Chiriaco Summit] east of Indio, U.S. Hwy 66 518 Comment
  UC164878  Psorothamnus spinosus S. B. Parish 1912-6-28 8107 Riverside near Mecca (Red Canyon, Colorado Desert); Colorado Desert, near Mecca, Red Canyon Comment
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Nov 24 2011
  RSA575917  Pteridium aquilinum var. pubescens Steve Boyd 1994-10-14 8376 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest. Fisherman's Camp Trail (7S02) from Wildomar Road (7S01) west into Tenaja Canyon at its confluence with San Mateo Canyon, Fisherman's Camp. 341 Comment
  UCR35298  Pteridium aquilinum var. pubescens L. B. Ziegler 1970-5-20 404 Riverside San Jacinto Mtns, North Fork of the San Jacinto River (Dark Canyon). 1677 Comment
  RSA467857  Pterospora andromedea L. C. Wheeler 1931-10-3 234 Riverside Strawberry Valley, San Jacinto Mts. 1890 Comment
  RSA728144  Pterostegia drymarioides Daphne K. Christopher, Hannah Stevens, Zachary Princip 2003-4-7 112 Riverside Santa Rosa Plateu Nature Conservancy Preserve. Tenaja Truck Road. 610 Comment
  SD186304  Pterostegia drymarioides Andy C. Sanders, T. B. Salvato, M. Provance 2003-4-4 25836 Riverside Santa Ana River Valley Region, Jarupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 366 Comment
  UCR85245  Pterostegia drymarioides A. C. Sanders, P. J. MacKay, M. Jacobsmyer, C. L. Sanders 1995-3-5 15991 Riverside Sonoran (Colorado) Desert, Orocopia Mtns, Maniobra Valley, 1.6-3 mi. south of frontage road (old Hwy 60) along Interstate 10, S to edge of BLM wilderness 610 Comment
  POM49846  Quercus agrifolia var. agrifolia P. A. Munz, IM Johnston 1924-7-29 8884 Riverside Lone Oak Ranch, Banning-Idyllwild Road. 1037 Comment
  RSA228807  Quercus agrifolia var. agrifolia Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 606 Riverside Cleveland National Forest, ca. 8 mi. south of Lake Elsinore; off Forest Route 7S04. 488 Comment
  RSA747438  Quercus berberidifolia T. Scott, K. M. Meyer, A. Townesmith 2007-3-18 135 Riverside San Bernardino National Forest. San Jacinto Mountains. About 1.7 mi on Little Thomas Mtn. Rd. S of Lake Hemet, from Rt. 74. 1467 Comment
  SEINET13297596 Image available Quercus berberidifolia T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-1 8349 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
  UCR94889  Quercus berberidifolia G. R. Ballmer, K. T. Stockwell 1996-9-22 s.n. Riverside Murrieta, Warm Springs Creek, SE of Hogbacks 366 Comment
  UCSB12186  Quercus berberidifolia Breedlove, Dennis 1962-3-11 Riverside 5.7 miles northwest of Mountain Center, at junction with Riverside Highway 1 on State 74 944 Comment
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Feb 24 2013
  RSA769026  Quercus chrysolepis E. W. Lathrop 1968-5-22 6914 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  SFV871  Quercus chrysolepis P. G. Kilburn 1958-5-30 831 Riverside San Jacinto Mountains Mount San Jacinto, 5 miles north of Idlewild. Fern Basin Campground. 1890 Comment
  UCSB1228  Quercus chrysolepis Neely, William 1948-10-3 Riverside Devil's Slide Trail, Idyllwild, San Jacinto Mts. 2316 Comment
  POM296380  Quercus cornelius-mulleri Lyman Benson 1946-4-15 12042 Riverside Canyon on Twenty-nine Palms Road from Whitewater. 457 Comment
  RSA502497  Quercus cornelius-mulleri Steve Boyd 1989-6-11 3739 Riverside Vail Lake area, S flank of Oak Mountain, N of the lake. 549 Comment
  UCD63677  Quercus cornelius-mulleri Daniel Sanchez-Mata; Salvador Rivas-Martinez 2008-6-6 s.n. Riverside Joshua Tree. Joshua Tree National Park. Ryan campground close to California Riding and Hiking Trail. 1430 Comment
  JOTR00986  Quercus cornelius-mulleri Cole, James E. 1941-10-20 934 Riverside Joshua Tree National Park. OPTIMIST MINE ROAD; LOST HORSE VALLEY 1310 Comment
  RSA262450  Quercus engelmannii F. C. Vasek 1975-9-11 s.n. Riverside Horsetheif Creek Canyon, south west of Pinyon Flat, where the Cactus Spring Trail Crosses. Comment
  UCR155338  Quercus engelmannii A. C. Sanders, Mike Misenhelter 2005-3-23 29264 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR163986  Quercus engelmannii John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, 2 miles NE of Squaw Mountain 640 Comment
  UCR217635  Quercus engelmannii Theresa Johnson 2007-8-3 400 Riverside San Jacinto Mountains, Western foothills, 7.7 km south of Hwy I-10 and 7.6 km northeast of Hwy 79 (State Street)/ Ramona Expressway intersection 687 Comment
  POM11520  Quercus kelloggii P. A. Munz 1922-7-2 5943 Riverside Santa Rosa. 1982 Comment
  UCD47104  Quercus palmeri Louis B. Ziegler 1969-10-12 s.n. Riverside Hemet Valley, San Jacinto Mts. Near the Kentworth Ranger Station. 1417 Comment
  CAS-BOT-BC362415  Rafinesquia Dr. E. Rixford 1917-4-17 s.n. Riverside Coachella Valley Comment
  RSA220971  Rafinesquia californica E. W. Lathrop 1966-5-8 6405 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
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Apr 28 2011
  RSA503423  Rafinesquia californica J. D. Olmsted 1962-5-10 3619 Riverside L. Matthews Road ca. 1/2 mi. W of dam 427 Comment
  RSA560406  Rafinesquia californica Steve Boyd 1992-4-15 6884 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  JEPS37574  Rafinesquia neomexicana W. L. Jepson 1927-4-14 11705 Riverside se end Santa Rosa Mts.; , Silent Canyon 304 Comment
  RSA339664  Rafinesquia neomexicana R. F. Thorne, C. W. Tilforth 1980-5-28 54216 Riverside Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  RSA678380  Rafinesquia neomexicana Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10490 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  RSA726523  Rafinesquia neomexicana Naomi Fraga, Lisa Rojas 2005-2-10 1400 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  RSA80988  Rafinesquia neomexicana G. R. Campbell 1952-4-5 18374 Riverside Colorado Desert, road leading from Highway 60 to 29 Palms [Hwy 62], at junction to Desert Hot Springs 762 Comment
  UCR272449  Rafinesquia neomexicana Cheryl Sevilla, Sarah J. De Groot 2015-2-18 014 Riverside San Bernardino Mountains, San Gorgonio Wilderness Area, the plain to the east of Mission Creek, 0.4 miles northwest of the Stone House 783 Comment
  POM13145  Ranunculus aquatilis var. capillaceus P. A. Munz, I. M. Johnston 1922-5-19 5431 Riverside Keen Camp, San Jacinto Mountains 1524 Comment
  CAS-BOT-BC378491  Ranunculus californicus var. californicus E. W. Lathrop 1960-4-8 4745 Riverside 14 mi west of Murrieta Comment
  POM201672  Ranunculus cymbalaria var. saximontanus L. M. Booth 832 Riverside near Chino Creek Comment
  CHSC109258  Ranunculus sceleratus Scott D. White; Justin M. Hood 2008-7-9 12441 Riverside San Jacinto Mountains: K Flat, from large pond downstream to meadow. 1402 Comment
  CLARK-A1528-362  Raphanus sativus John C. Roos, Lucille Roos 1951-10-24 5342 Riverside Pedley 243 Comment
  SEINET8727730 Image available Raphanus sativus Jean Coulson 1959-1 s.n. Riverside Riverside; N. W. corner, Canyon Crest & Linden. 2007 Comment
  HSC98201  Rhamnus crocea C. L. Hitchcock, C. V. Muhlick 1964-3-17 23094 Riverside 3 mi. SE of Glen Ivy Hot Springs. Comment
  UCD111913  Rhamnus crocea B. Pitzer 1997-4-20 3186 Riverside Lakeview Mountains. Intersection of Dutton St. with Voltaire Vista Road. 610 Comment
  UCR114807  Rhamnus crocea Mitch Provance 1998-2-17 53 Riverside Jurupa Mountains, Pyrite Canyon, 'Central Pyrite Dune', c. .3 km south of the end of Savonia Dr. in Southridge, Fontana. Actual location of the collection just on the Riverside Co. side of the Riv. / S.B. county line. 320 Comment
  LA207815  Rhamnus ilicifolia P. C. Everett; 1935-6-18 7207 Riverside Santa Ana Mountains, Coldwater Canyon Trail, 1.5 mi. N (below) main divide Motorway 1280 Comment
  UCR106919  Rhamnus ilicifolia D. L. Banks, Lauren Raz 1996-11-5 1159 Riverside Agua Tibia Mountains, Pechanga Indian Reservation, south of San Gabriel Church; along a newly established firebreak along a NW-SE running ridgeline, near the water tank in section 34 421 Comment
  JOTR30773  Rhus aromatica La Doux, Tasha, Mike Bell, Katy Matthews 2007-4-4 1885 Riverside Joshua Tree National Park. Little San Bernardino Mountains: (Stop 6) Smith Water Canyon 1264 Comment
  RSA799083  Rhus aromatica Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6880 Riverside South side of Joshua Tree National Park, Cottonwood Spring 915 Comment
  RSA696223  Rhus integrifolia Anonymous 1926-12-18 s.n. Riverside Santa Ana Mts Comment
  RSA592670  Rhus ovata Scott D. White, Duayne Haselfeld 1996-7-2 4262 Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  SD122182  Rhus ovata James C. Dice, Ruth Miller 1987-11-23 755 Riverside Temecula Gorge, south side of aquaduct crossing. 259 Comment
  UCR268313  Rhus ovata Jim Andre 2012-6-15 30494 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243 at Mount Edna Road, c. 1 mile north of McMullen Flat, 5.9 miles south of Hwy I-10 at Banning 1172 Comment
  RSA96230  Rhus ovata E. K. Balls 1954-3-29 18951 Riverside 0.5 mi. form Corona-Elsinore Hwy on S side of road to Glen Ivy Resort, Temescal Canyon. Comment
  RSA543125  Rhus trilobata Steve Boyd 1991-3-17 5473 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  RSA336423  Rhus trilobata var. anisophylla R. F. Thorne, Avi Shmida, Robert Whittaker 1978-4-23 52080 Riverside Just E of Palm Desert. Comment
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Apr 24 2011
  CAS-BOT-BC92347  Ribes amarum James R. Shevock 1978-4-26 5905 Riverside Along the northeast side of Pleasants Peak. Santa Ana Mountains, Cleveland National Forest. 1188 Comment
  UC1292280  Ribes indecorum C. L. Hitchcock, C. V. Muhlick 1964-3-17 23111 Riverside 10 mi n Pala (along road to Elsinore) Comment
  RSA98702  Ribes indecorum C. R. Quick 1939-12-19 s.n. Riverside Temecula. Comment
  LA205484  Ribes malvaceum D. Birindelli; S. Medry 1969-3-9 sn Riverside NW side of Mt. Jacinto 1219 Comment
  UCR51357  Ribes malvaceum L. F. LaPre 1988-1-8 s.n. Riverside Mesa de Burro, Santa Rosa Plateau. west of Murrieta. 610 Comment
  RSA673630  Ribes malvaceum var. viridifolium Scott D. White, Tasha LaDoux 2000-4-20 7686 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  UCR35280  Ribes nevadense L. B. Ziegler 1970-5-20 401 Riverside San Jacinto Mtns, North Fork of the San Jacinto River (Dark Canyon). 1677 Comment
  UC1929908  Ricinus communis Scott D. White, Angelia Carey 2004-7-2 10596 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. San Jacinto 7.5' Quad. Comment
  UCR251302  Ricinus communis T. B. Salvato, Matthew Malle 2014-4-8 7827 Riverside Perris-Aguanga Basin, south end of Perris Valley, c. 8 mi south of the Perris Reservoir, northwest corner of Matthews (Case) Road and Menifee Road 446 Comment
  RSA335001  Ricinus communis Steve Boyd 1985-7-30 1045 Riverside De Luz rd., 7.8 miles west of Rancho [California]. Roadside weed along Sandia Creek, infrequent. Comment
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Apr 16 2009
  CHSC25561  Romneya coulteri Robert A. Schlising 1973-6-25 3105 Riverside Deadend road, 2.1 mi SW jct with Hwy 71 in Corona. Comment
  UCR241189  Rosa californica Tracy Tennant, Jeffrey Ross 1998-6-23 MOR- 499 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  UCR269891  Rumex A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-8 41580 Riverside Peninsular Range; Elsinore Trough, City of Lake Elsinore, Pasadena St. near intersection with dirt extension of Hunco Way 387 Comment
  SD152742  Rumex conglomeratus Steve Boyd, T. Ross, D. Bramlet 1993-5-12 7342 Riverside San Mateo Canyon Wilderness Area, San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos Canyon downstream to confluence with Tenaja Canyon 366 Comment
  JOTR32379  Rumex crispus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2489 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  UC452559  Rumex crispus S. B. Parish 1913-9-20 8617 Riverside railway water works, Mecca Salton Sink -57 Comment
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Feb 3 2011
  UCR90768  Rumex crispus D. E. Bramlet 1992-5-15 2280 Riverside Perris-Aguanga Basin region, Pipeline seep located south of Lakeview Hot Springs and just south of the MWD access road, some 833 m. west of the San Jacinto River and 433 m east of the intersection of Pozos Rd. and the MWD pipeline maintenance road Comment
  UCR100093  Rumex hymenosepalus R. G. Swinney 1967-2-11 358 Riverside San Jacinto Mtns./ Sonoran (Colorado) Desert, Snow Creek 366 Comment
  UCR111779  Sagina apetala Mitch Provance 1999-5-4 1691 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  CLARK-A1528-595  Salazaria mexicana Charlotte Stocks 1962-6-15 Riverside San Jacinto Mountains 1066 Comment
  UCR211718  Salicornia subterminalis Fred M. Roberts, D. E. Bramlet 2005-6-8 6249 Riverside Perris Basin, San Jacinto Valley, Upper Salt Creek drainage, north of Stetson and west of MWD canal, 1.6 km west of Ryan Airfield 454 Comment
  SDSU9444  Salix exigua A. H. Gallup 1949-3-28 360 Riverside Palms to Pines Hwy, above Desert Center [interpreted to be Palm Desert], in dry wash, east slope. 762 Comment
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Jan 30 2013
  UCR133114  Salix exigua 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
  RSA92695  Salix exigua F. W. Peirson 1924-12-30 5410 Riverside Thousand-Palms Canyon, Colorado Desert 122 Comment
  RSA0010968  Salix exigua var. exigua F. M. Reed 1925-3-17 4952 Riverside Tahquitz Canyon - Palm Springs. Comment
  SDSU12996  Salix exigua var. hindsiana Michael G. Simpson 1999-10-27 2026 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  UC437342  Salix exigua var. hindsiana S. B. Parish 1918-4-3 11702 Riverside Oak Sedge; San Jacinto River Canyon 914 Comment
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Nov 20 2011
  UCR172147  Salix gooddingii A. C. Sanders 2006-5-11 32265 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel south of the intersection of Collier Ave. and Riverside Dr., NE of Alberhill Crk., NW of Enterprise Way 389 Comment
  POM177828  Salix laevigata Marcus E. Jones 1930-3-2 s.n. Riverside Corona. Comment
  RSA715295  Salix laevigata A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32676 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., near stream crossing of dirt road. 549 Comment
  UC914202  Salix laevigata Charles B. Fiker 1946-4 3354 Riverside road dip s. of Temecula bridge (on Hwy. 395, at upper end of sand pit next to fence) Comment
  UCR101455  Salix laevigata A. C. Sanders 1997-3-19 20054 Riverside Lake Skinner area, NE of Bachelor Mtn., small canyon below dry falls, north of dirt track off road from Rawson Cyn. 503 Comment
  RSA601111  Salix lasiolepis A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18106 Riverside San Bernardino Mtns Morongo Indian Reservation, natural pond and bog at SE edge of Burro Flats. Comment
  UC1178573  Salix lutea Peter Kamb 1949-5-8 1406 Riverside Hall Canyon San Jacinto Mts., Hall Canyon 1645 Comment
  UCR26492  Salix scouleriana A. C. Sanders 1980-7-22 1696 Riverside Peninsular Range; San Jacinto Mtns., Drainage of the north fork of the San Jacinto River, along Forest Service Road 4S02, 0.8 mi south of Dark Canyon Campground, c. 2 air mi north of Pine Cove. 1829 Comment
  UCR201981  Salsola paulsenii Karin Cleary-Rose 1997-1 s.n Riverside Sonoran (Colorado) Desert, Coachella Valley, six mile segment of Jefferson St. in La Quinta and Indio, between Indio Blvd. and Ave. 54 10 Comment
  RSA586840  Salsola tragus D. L. Banks, Peter Morrell 1995-5-4 307 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, N of the Wildhorse Trail, on metasedimentary hills N of Wildhorse Peak. 622 Comment
  RSA772330  Saltugilia australis Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4510 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UC748763 Image available Saltugilia australis Herbert L. Mason 1926-5-2 3195 Riverside Temecula Valley; ; Temecula Valey, Riverside Co. Comment
  CLARK-A1528-583  Salvia apiana C. M. Flanagan 1973-5-31 OO 636 Riverside Morongo Indian Reservation 914 Comment
  JOTR37445  Salvia apiana Hodges, Stephen, T. Green 2016-5-24 567 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; along social trail ascending from Quail Springs parking lot towards Johnny Lang Canyon (Stop 1). Comment
  SD4321  Salvia apiana Fidella G. Woodcock 1928-4-27 Riverside San Jacinto mountain near bridge of S.J. Creek Comment
  UCR133363  Salvia apiana Tracy Tennant, J. S. Ross 1998-4-30 MOR- 75 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, unnamed canyon running W to E between the southern portions of Hathaway and Potrero Canyons, c. 1.5 miles ENE of Banning Peak (VABM 3440) 854 Comment
  UCR156090  Salvia apiana T. B. Salvato, Kent Beaman 2005-5-16 805 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
  RSA5471  Salvia apiana var. compacta Carl B. Wolf 1932-5-24 s.n. Riverside 0.5 mile below the Fish Hatchery, Snow Creek, north base of San Jacinto Mountains 549 Comment
  JEPS60188  Salvia carduacea L. R. Heckard 1969-4-24 2169 Riverside about 5 mi s Hemet (s end of Diamond Valley); Diamond Valley 518 Comment
  RSA628480  Salvia columbariae A. C. Sanders 1994-5-30 14600 Riverside NNE of Beaumont at Highland Springs, hills N of the end of Bellflower Ave. at Dutton St. 950 Comment
  UC987819  Salvia columbariae Reid Moran 1941-5-5 843 Riverside e of Quail Spring; Joshua Tree National Monument 1300 Comment
  UCR250879  Salvia columbariae S. J. Myers, Jennifer Tobin, Michelle Tobin 2013-3-13 1039 Riverside Lakeview Mountains, along powerline access road NE of Juniper Flats Rd. 649 Comment
  UCR27197  Salvia columbariae Marlyce Myers 1980-4-28 s.n. Riverside Perris Basin, Motte Reserve, 2.5 mi. NW of Perris 518 Comment
  UCSB44881  Salvia columbariae Collins, Elizabeth 1977-3-30 Riverside Corn Springs Campground; 8 miles south of Hwy. 10; base of Chuckwalla Mts 457 Comment
  RSA699686  Salvia greatae J. Mark Porter, Orlando Mistretta 2003-6-5 13614 Riverside Chocolate Mountains. Chocolate Mountain Bombing and Gunnery Range. Unnamed canyon, S of Salt Creek, accessed via Siphon 21 of the Coachella Canal; fork running east, above the pour-off. 439 Comment
  UCR18807  Salvia greatae John C. Roos, Lucille Roos 1949-4-6 4154 Riverside Sonoran (Colorado) Desert, [North] foot of the Chocolate Mountains, north of Pope. Salt Creek area 91 Comment
  POM12930  Salvia pachyphylla subsp. pachyphylla P. A. Munz 1922-6-25 5813 Riverside Santa Rosa Mountains; Road to Santa Rosa. 1524 Comment
  CAS-BOT-BC233340  Salvia vaseyi E. K. Balls 1959-6-25 23860 Riverside Along road to 29 Palms, 7.5 mi. N. of jct. with U.S. Hwys. 60/70/99 381 Comment
  SFV3229  Salvia vaseyi P. G. Kilburn 1958-5-16 802 Riverside San Jacinto Mountains 5 miles south of Palm Desert on Palms-Pines Highway (Highway 74). 915 Comment
  UCR116848  Sanicula arguta A. C. Sanders, Steven R. Hill 2001-5-4 24144 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  UCR135820  Sanicula bipinnata A. C. Sanders, Guy Bruyea 2004-4-2 27433 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 335 Comment
  UC219265  Sanicula bipinnatifida P. A. Munz and I. M. Johnston 1922-5-19 5373 Riverside Menifee Valley 411 Comment
  UC73287  Sanicula bipinnatifida M. F. Gilman 1904-1 48 Riverside Southern California, Banning Banning; Southern California, Banning Comment
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Mar 21 2011
  RSA613427  Sanicula crassicaulis D. L. Banks 1997-4-5 1665 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just east of the Wilderness Area boundry with the Pechanga Indian Reservation., Along a tributary of the north fork of Pechanga Creek. 670 Comment
  CLARK-A1528-1455  Sanicula tuberosa John C. Roos 1937-3-6 1304 Riverside Reche Canyon Comment
  SD63339  Sarcodes sanguinea Walter Birtsch 1957-6-29 958 Riverside Santa Rosa Mountains, Desert Slope of Toro Peak 2660 Comment
  UC456155  Sarcodes sanguinea I. J. Condit 1910-6-22 Riverside San Jacinto Mt. 2590 Comment
  UCR140696  Sarcostemma cynanchoides A. C. Sanders 2004-5-12 27873 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  JOTR30077  Sarcostemma hirtellum La Doux, Tasha, Bill Truesdell 2006-10-3 1720 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  RSA180270  Satureja chandleri E. W. Lathrop 1965-4-18 5654 Riverside 10 miles west of Murrieta. Comment
  RSA511534  Satureja chandleri Jeri Hirshberg 1989-3-27 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta; Miller Canyon 457 Comment
  CAS-BOT-BC239934  Schismus arabicus Catherine A. Toschi 1963-4-10 63 :119 Riverside Boyd Desert Research Center, 5 miles south Palm Desert 304 Comment
  RSA0110188  Schismus barbatus Duncan S. Bell 2010-4-2 709 A Riverside Arica Mountains: west side of mountain range within the Palen/McCoy Wilderness; approximately 2.5 air miles northwest of Priest Well; collecting along a steep sand ramp at the head of the main western drainage for the mountain range. 559 Comment
  RSA658236  Schismus barbatus A. Sleigh, A. Haimov 1992-5-19 119 Riverside 40 meters east of Davis Road, 1.5 miles north of Ramona Expressway, San Jacinto Wildlife Area. Comment
  RSA388424  Schoenoplectus californicus Robert F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61188 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  POM1402  Schoenoplectus maritimus I. M. Johnston 1918-4-27 1866 Riverside Wildomar. 366 Comment
  CAS-BOT-BC111017  Scirpus microcarpus I. Johnston 1916-4-21 12 Riverside Between Upland & Cucamonga (Red Hill) Comment
  CLARK-A1528-881  Scrophularia californica Paul D. Wood 1970-5-16 6 A Riverside Riverside 380 Comment
  SBBG54856  Scrophularia californica D. Keil, M. McLeod 1977-3-26 12023 Riverside 0.7 mi W of jct with Riverside Country Rd R-3 (to Hemet) along St Hwy 79 Comment
  RSA16360  Scrophularia californica subsp. floribunda Percy C. Everett 1935-6-18 7172 Riverside Santa Ana Mountains, San Juan Canyon, near Ortega Highway on road [North Main Divide Road] to Santiago Pk. 701 Comment
  RSA425197  Scrophularia californica subsp. floribunda J. D. Olmsted 1962-5-10 3631 Riverside Coldwater Canyon, Corona city water supply. 396 Comment
  RSA388916  Scutellaria bolanderi subsp. austromontana T. S. Elias, Boyd, Tan 1986-7-23 10156 Riverside Santa Rosa Plateau: along Cole Creek. 610 Comment
  UCSB10512  Scutellaria mexicana Haller, Norman 1953-5-24 Riverside 11 miles So. of Palm Springs; Indio Rd; Palms to Pines Hiwy. 74 914 Comment
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Nov 19 2014
  RSA33643  Scutellaria siphocampyloides N. C. Cooper 1944-7-16 1540 Riverside San Jacinto Mtns., Pine Cove. 1524 Comment
  RSA612684  Scutellaria tuberosa D. L. Banks 1997-3-29 1614 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., West of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  SD67927  Sedum niveum Reid Moran 1968-8-3 15346 Riverside On northeast slope, 1.0 mile northwest of Toro Peak. 2250 Comment
  CAS-BOT-BC62046  Selaginella bigelovii Louis C. Wheeler 1933-12-2 2298 Riverside Tahquitz Canyon, San Jacinto Mts. 243 Comment
  IRVC27401  Selaginella bigelovii A. C. Sanders, O. F. Clarke, P. J. MacKay, S. D. White, C. L. Sanders 1994-11-27 15867 Riverside Palm Canyon, from Hermit's Bench upstream to just beyond the confluence with East Fork. San Jacinto Mtns/Colorado Desert 256 Comment
  UC306711  Selaginella bigelovii I. M. Johnston 1918-4-3 1825 Riverside San Jacinto Canyon; San Jacinto Mts. 685