Search Results — 2000 specimen records retrieved (1891 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SD229021  Abies concolor Dick Schwenkmeyer 2012-9-20 835 Riverside Taquitz Valley Camp, 2.5 mi. east (via trail) of Humber Park, Idyllwild. 2502 Comment
  CAS-BOT-BC229332  Abronia villosa K. Larson 1975-4-24 1506 Riverside Snow Creek Rd. 10 mi. NW of Palm Springs Comment
  CAS-BOT-BC389743  Abronia villosa M. Danielson 1963-12-23 s.n. Riverside Beginning of dirt road into Tahquitz Canyon Comment
  RSA715177  Abronia villosa John 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. [maps in Imperial County, but is near the Riverside Co. line] 15 Comment
  RSA0048314  Abronia villosa Charles MacKechnie 1950-4-29 s.n. Riverside Cranston Ranger Station, San Bernardino National Forest. 609 Comment
  POM6704  Abronia villosa var. aurita P. A. Munz, L. T. Street, G. Williams 1919-3-26 2336 Riverside Palm Canyon 213 Comment
Read comments
Apr 23 2011
  RSA461180  Abronia villosa var. aurita N. C. Cooper 1949-3-15 3170 Riverside North of Palm Springs. 122 Comment
  POM731  Abronia villosa var. aurita H. M. Hall 1902-4-19 2915 Riverside Vicinity of Winchester. 457 Comment
Read comments
Sep 24 2008
  SEINET8021398  Abronia villosa var. aurita M. F. Barrus, S. B. Parish, M. Whetzel 1920-3-25 202 a Riverside Near Indian Wells, Comment
  CSUSB582  Abronia villosa var. villosa Wayne White 1975-5-10 Riverside Chuckwalla Mountains On Highway I-10 near Red Cloud Rd. Colorado Desert; Chuckwalla Mountains. 771 Comment
  SJSU10579  Abronia villosa var. villosa T. N. Seeno 1963-4-12 272 Riverside by US Hwy 60 - 70, 20 mi W of Blythe Comment
  UCR241517  Abronia villosa var. villosa A. C. Sanders, Ann Howald 2013-2-27 40543 Riverside Sonoran (Colorado) Desert, Coachella Valley, north of Ave. 70 near Cleveland St., 10 km SE (108 deg. ) of Mecca -40 Comment
  LA212339  Abronia villosa var. villosa Lee Haines; 1955-5-22 s.n. Riverside Dead Indian Canyon 304 Comment
  UC303555  Abutilon theophrasti Gordon Surr Sep 1917 Riverside Citrus Experimental Station Riverside Comment
  OBI13405  Acacia greggii Tracey & Viola Call, Viola Call 1962-4-6 2114 Riverside 3 mi NW of Desert Hot Springs 274 Comment
  UCR263479  Acamptopappus sphaerocephalus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41504 Riverside San Gorgonio Pass, north of San Gorgonio River wash, c. 3 miles east of Cabazon, south of I-10 and generally NE of water bottling plant 457 Comment
  RSA730045  Acamptopappus sphaerocephalus var. sphaerocephalus R. F. Thorne 1966-10-15 41796 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway Comment
  POM188068  Achillea millefolium L. Crutcher 1933-7-6 19 Riverside Camp Tahquitz, San Jacinto Mts. Comment
Read comments
Sep 27 2009
  CDA28089  Achnatherum coronatum F. J. Willmarth 1962-9-7 Riverside San jacinto Mts.; Garner Ranch, Idyllwild Rd. 0 Comment
  RSA707841  Achnatherum hymenoides L. M. Prince, N. Refulio 2002-3-16 2 -272 Riverside Whitewater Canyon. ca. 5 km North of CA Hwy 10 on Whitewater Canyon Road. Flat areas along creek. Comment
  UC39951  Achnatherum occidentale subsp. californicum H. M. Hall July 1901 2556 Riverside North side. Fullers Ridge San Jacinto Mountains 2133 Comment
  RSA559928  Achyrachaena mollis Steve Boyd 1992-4-18 6897 Riverside Paloma Valley betweeen Sun City and Murrieta, E of Hwy I-215. Rolling Hills just SW of Jtn Briggs Rd. and Scott Rd. Comment
  JOTR28927  Achyronychia cooperi La Doux, Tasha 2005-3-1 1163 Riverside Joshua Tree National Park. Between Sand Hills and Main Road to Cottonwood Comment
  RSA0121216  Achyronychia cooperi Duncan S. Bell, LeRoy Gross 2016-3-8 8835 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of the range; approximately 1.5 air miles north of the Bradshaw Trail. 417 Comment
  CAS-BOT-BC213470  Acmispon argophyllus var. argophyllus H. M. Hall 1902-4-1 2899 Riverside Vicinity of Sage 762 Comment
  RSA799073  Acmispon maritimus var. brevivexillus Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6869 Riverside South side of Joshua Tree National Park, Cottonwood Spring 905 Comment
  SD70398  Acmispon maritimus var. brevivexillus W. L. Jepson 1927-4-12 11640 Riverside Painted Canyon, north of Mecca. 75 Comment
  SEINET957539  Acmispon micranthus S. Boyd 1986-1 1795 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow. Gabbro substrate; Skunk Hollow vernal pool with silty clay. Comment
  UC1929899  Acmispon nevadensis var. davidsonii Scott D. White 2004-4-26 10251 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. Lake Fulmore 7.5' Quad. Comment
  SEINET957864  Acmispon procumbens R. H. Peebles 1929-1 8 Riverside Tanguity Canyon, near palm springs. Comment
Read comments
Mar 2 2014
  JOTR34268  Acmispon strigosus La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3284 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Lower ridges at base of Quail Mountain; within old burn area between Lost Horse Valley and Juniper Flats (Stop 2) Comment
  SDSU13937  Acmispon strigosus Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2094 Riverside Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 671 Comment
  SDSU18659  Acmispon strigosus C. Matt Guilliams, Jeannine Ross 2008-3-5 497 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. Collections near the Dudleya multicaulis restoration site. 388 Comment
  SEINET5327551  Acmispon strigosus E. Neese 1979-4-10 7080 Riverside ca 25 mi W of Blythe, desert along Interstate 10 244 Comment
  RSA768503  Acroptilon repens Justin M. Wood 2009-11-30 1387 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCD128573  Acroptilon repens J. C. Roos 1951-10-24 5335 Riverside Between Arlington and Pedley. 228 Comment
  CHSC30431  Adenophyllum porophylloides Jeffrey M. Lund 1980-4-3 51 Riverside One mile west of Corn Springs on the side of an unimproved road. 487 Comment
  RSA718578  Adenophyllum porophylloides Michael Honer, L. Hulse 2004-4-3 1897 Riverside Nameless canyon appx. 1 mi. W of Pushawalla Cyn., leading up to MWD aqueduct. 488 Comment
  SD229249  Adenostoma fasciculatum Dick Schwenkmeyer 2012-10-16 930 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 551 Comment
  UCR214316  Adenostoma fasciculatum A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38391 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
  UCR21920  Adenostoma fasciculatum Steve Boyd 1980-5-11 248 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  GMDRC6554  Adenostoma fasciculatum var. fasciculatum J. M. Andre 2012-6-15 30507 Riverside San Jacinto Mountains: along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest 1172 Comment
  RSA650367  Adenostoma fasciculatum var. fasciculatum R. Garner 1974-8-28 s.n. Riverside San Jacinto Mountains. Comment
  UCR250196  Adenostoma fasciculatum var. fasciculatum A. C. Sanders 2014-4-23 41041 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
  RSA453179  Adenostoma sparsifolium H. S. Gentry 1939-10-7 4654 Riverside Dripping Springs. Comment
  SEINET3076976 Image available Adenostoma sparsifolium Howard Scott Gentry 1974-8-26 23434 Riverside Mountain slope ca. 4 miles NE of Anza. 1372 Comment
  UC12023  Adenostoma sparsifolium Mrs. Gregory 1890-1 Riverside at San Jacinto San Jacinto Comment
  RSA612814  Adiantum jordanii Darin L. Banks 1997-3-1 1355 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Pechanga Creek, east of the ''Fiesta Grounds'' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation. 423 Comment
  UC219242  Agnorhiza ovata E. C. Jaeger 1921-6-14 1054 Riverside Barkers Meadow San Jacinto Mts. Comment
Read comments
Nov 6 2011
  CAS-BOT-BC46154  Agoseris heterophylla F. W. Peirson 1922-5-20 3045 Riverside Hemet Valley, San Jacinto Mts. 1371 Comment
  UCR96599  Agrostis exarata Scott D. White 1996-8-1 4452 Riverside San Jacinto Mountains, Idyllwild area north of Isomata along USFS Road 5S24.1 1646 Comment
  LA10204  Agrostis idahoensis F. M. Reed; 1908-7-11 2500 Riverside San Jacinto Mountains, on trail below San Jacinto Peak 2925 Comment
  RSA5908  Agrostis idahoensis C. B. Wolf 1932-8-5 3945 Riverside Trail from Tahquitz Valley to San Jacinto Peak, San Jacinto Mountains. 2561 Comment
  UC1136226  Allenrolfea occidentalis H. S. Yates 1936-4-8 5450 Riverside 5 mi. s.e. Coachella; Thermal Quad. Comment
  RSA462623  Allionia incarnata C. M. Dammers 1929-10-6 s.n. Riverside Cottonwood Springs. Comment
Read comments
Oct 9 2010
  RSA675990  Allionia incarnata Scott D. White 2001-4-12 8298 Riverside Shaver s Valley. South of the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. 320 Comment
  RSA793264  Allionia incarnata Aaron C. Sedgwick, Joella Simons Adkins 2012-10-24 146 Riverside Graham Pass Rd. in the Chuckwalla Mtns. ~1 mi. north of Graham Pass. 421 Comment
  SBBG104701  Allionia incarnata T. Glenn 1991-5-1 91 -53 Riverside McCoy Mtns NW of Blythe Comment
  UCR277615  Allionia incarnata Aaron C. Sedgwick, April Garbat 2012-10-17 139 Riverside Sonoran (Colorado) Desert, c. 0.25 mile south of Hwy I-10 on Cottonwood Springs [Box Canyon] Rd. 488 Comment
  OBI53613  Allium haematochiton Steve Myers 1988-1 s.n. Riverside Temescal Cyn, ca 1/4 mi W of intersection of hwy I-15 & Indian Truck Trl 381 Comment
  UCD138541  Allium haematochiton Steve Myers 24-25 Feb 1988 s.n. Riverside Temescal Canyon, ca. 1/4 mi. west of intersection of Highway I-15 and Indian Truck Trail. 381 Comment
  SD127568  Allium lacunosum var. davisiae Robert F. Thorne, Earl Lathrop 1975-5-25 45560 Riverside Santa Rosa Plateau, Rancho California, Mesa de Burro. 609 Comment
  UC1544766  Allium munzii Steve Boyd 1986-5-1 1798 Riverside on n base of hill just to the w Skunk Hollow (e of hot springs); Murieta Hot Springs, Skunk Hollow Area 438 Comment
  RSA753543  Allium peninsulare Michael Wall 2009-6-6 519 Riverside San Jacinto Valley, Bautista Canyon Rd. ca. 1.0 miles SE of jct. with Fairview Ave. on slopes at sharp turn in the road 630 Comment
  UCR35295  Allium peninsulare L. B. Ziegler 1967-5-18 126 Riverside San Jacinto Valley, side canyon off lower Bautista Canyon 534 Comment
  UCR280619  Allium peninsulare var. peninsulare Mitch Provance, Jeremiah George, Matt K. Beyers 2017-4-3 417- 08 Riverside Gavilan Hills, Alberhill Canyon, dirt road portion of Lake St., about 0.8 miles N of Hwy. 15 at Alberhill. 457 Comment
  SBBG36321  Allophyllum gilioides T. L. Secrest 1951-5-20 Riverside San Jacinto Mtns 1219 Comment
  RSA512758  Allophyllum glutinosum W. Wisura, Bart O'Brien, Durant 1990-6-12 4445 Riverside Ortega Highway 2.8 miles from T-junction S of Lake Elsinor, in burned area. Comment
  RSA635  Allophyllum glutinosum J. T. Howell 1928-7-8 1057 Riverside Santiago Peak Trail above Glen Ivy. 915 Comment
  SEINET10511141  Alopecurus howellii Robert F. Thorne, Earl W. Lathrop 1975-5-25 Thorne 45549 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro; muddy and bouldery margin of vernal marsh; with Rumex salicifolius, Hordeum geniculatum, Trifolium variegatum, etc. 610 Comment
  SD254518  Alternanthera caracasana Mitch Provance 2013-6-18 613 30 Riverside Santa Ana River Valley: Riverside, Arlanza area, Terrace Middle School on Rutland Ave. (Riverside West 7.5'Q) 227 Comment
  RSA763307  Amaranthus albus Scott D. White, Angelia Carey 2004-6-4 10476 -B Riverside San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  UCR272670  Amaranthus fimbriatus Sarah J. De Groot, Duncan S. Bell 2015-9-21 7579 Riverside Peninsular Range; Santa Rosa Mountains, SSW of Palm Desert, hillside along Dunn Road, between Asbestos Mountain and Haystack Mountain, ENE of Potrero Spring 1220 Comment
  UCR34995  Amaranthus fimbriatus L. B. Ziegler 1967-9-28 256 Riverside San Jacinto Mountains, Pinyon Flats 1250 Comment
  UCR95420  Amaranthus fimbriatus L. C. Wheeler 1966-10-15 8985 Riverside San Jacinto Mtns., near Black Hill, by Pines to Palms Hwy. 976 Comment
  RSA0104496  Amaranthus powellii Duncan S. Bell 2015-9-30 8659 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  SD236158  Amaranthus powellii A. C. Sanders 1999-9-26 23104 Riverside Peninsular Range; San Jacinto Mtns.: Garner Valley, along Hwy 74 at Horse Canyon Rd., toward east end of valley 1448 Comment
  UCR178040  Ambrosia acanthicarpa Scott D. White 2003-9-9 9826 Riverside San Jacinto Mtns, Pine Cove area, Dutch Flat 1753 Comment
  CAS-BOT-BC22577  Ambrosia dumosa Joseph Andorfer Ewan 1932-4-8 7029 Riverside Seven Palms near Garnet, Colorado Desert Comment
  CAS-BOT-BC22580  Ambrosia dumosa Marcus E. Jones 1929-9-16 25074 Riverside E of Desert Center Comment
  CAS-BOT-BC22593  Ambrosia dumosa William S. Davis 1960-3-12 102 Riverside Box Canyon, 7.7 miles W of Junction with US Highway 60-70. Comment
  HSC47365  Ambrosia dumosa Richard Spjut, C. E. Edson 1978-5-6 5026 Riverside Colorado Desert; N face of Chuckawalla Mountains, ca. 2.7 miles south of Desert Center 335 Comment
  LA202918  Ambrosia dumosa A. M. Johnson; 1932-3-19 3874 Riverside below [S of] Palm Springs Comment
  RSA0030752  Ambrosia dumosa Scott D. White 2000-3-23 7639 Riverside Coachella Valley, Thousand Palms area: N terminus of Rio del Sol Road at intersection with Vista Chino. Proposed aggregate mine expansion. 152 Comment
  RSA776577  Ambrosia dumosa Amber Swanson 2011-4-8 369 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  SEINET3146797  Ambrosia dumosa L. S. Rose 1936-12-26 36827 Riverside Hayfield, 7 mi. W of Desert Center 762 Comment
  RSA90532  Ambrosia dumosa S. Carlquist 1958-3-30 425 Riverside 2 miles west of palm Springs, on Palm-Springs-Cabazon road. 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
  POM246586  Ambrosia ilicifolia E. C. Jaeger 1938-10-30 s.n. Riverside Granite Wells Wash, chuckawalla Mts. Colorado Desert. 366 Comment
  RSA778882  Ambrosia ilicifolia Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 811 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 396 Comment
  UC1595693  Ambrosia ilicifolia W. Wisura, J. Romero, and M. Husar 1992-4-24 4706 Riverside n base of Chuckwalla Mts. (Corn Spring); Colorado Desert, , Corn Spring Comment
  UCR172613  Ambrosia pumila A. C. Sanders, John F. Green 2006-5-18 32373 Riverside Temecula/Murrieta Region, SE of Murrieta Hot Springs along San Diego Aqueduct and powerline route, south of intersection of Chandler and Suzi Rds. and south of Murrieta Hot Springs Rd., side canyon dropping toward Santa Gertrudis Creek, 1 mile SW of Skunk Hollow 366 Comment
  LA28881  Ambrosia salsola P. J. Remple; 1942-3-1 ** Riverside near Palm Springs Comment
  UCR168321  Ambrosia salsola E. K. Balls 1949-4-2 12904 Riverside Sonoran (Colorado) Desert, towards Salton Sea near Durmid on Highway 111 -67 Comment
  UC64802  Ambrosia salsola var. salsola E. E. Schellenger 1904-3-15 66 Riverside McCoy Wash Colorado Desert, Paloverde Comment
  RSA522282  Amelanchier pallida Steve D. Boyd, C. Boyd, K. A. Boyd 1989-5-13 3592 Riverside Upper Bautista Cyn. just below turnoff to Tripp Flat Ranger Station, foothills of San Jacinto Mtns. Comment
  JEPS35487  Amorpha fruticosa Marjorie D. Clary 1932-7-4 981 Riverside 10 mi se Kenworthy (vicinity of springs); Santa Rosa Mountains 1341 Comment
  SD124728  Amsinckia intermedia A. C. Sanders, Pitzer, Charlton, Kniffen, Stewart 1986-3-2 6050 Riverside Chuckwalla Bench, south side of the Chuckwalla Mountains, on the Bradshaw Road, ca. 2 miles east of the gasline road 640 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
  SEINET7063024  Amsinckia intermedia A. G. Vestal 1962-3-29 s.n. Riverside About 4.6 miles northeast of Murieta. UTM Zone 11, 487800mE, 3712252mN. (WGS84/NAD83). 346 Comment
  UCR41534  Amsinckia intermedia A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6050 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south side of Chuckwalla Mtns, on Bradshaw Road c. 2 miles east of gasline road 642 Comment
  UCR93052  Amsinckia intermedia Steve Boyd 1986-4-2 1618 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  SEINET7907888  Amsinckia menziesii D. A. Johnson 2005-1 Riverside 1 mi E of CA 74 on River Rd, between Perris & Lake Elsinore 488 Comment
  SDSU18972  Amsinckia menziesii var. menziesii C. Matt Guilliams 2008-2-27 476 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. 405 Comment
  RSA0086465  Amsinckia retrorsa Mitch Provance 2013-4-8 413 -12 Riverside San Bernardino Valley: Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave. 226 Comment
  UCR41830  Amsinckia tessellata A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6104 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  SD187465  Anagallis arvensis Scott D. White, Angelia Carey 2004-5-7 10315 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills 548 Comment
  UCR156479  Ancistrocarphus filagineus Jason L. Hlebakos 2005-5-3 621 Riverside Santa Ana Mtns, Open slope east and downslope from Elsinore Peak 1049 Comment
  RSA640827  Anemopsis californica L. C. Wheeler 1931-4-17 s.n. Riverside Santa Ana River south of Chino. Comment
Read comments
Jun 10 2012
  UC56664  Anemopsis californica H. M. Hall 1897-5-31 594 Riverside Southern California, Riverside Riverside; Southern California, Riverside Comment
  CAS-BOT-BC79938  Antennaria microphylla H. M. Hall 1901-7-1 2401 Riverside Tamarack Valley 2834 Comment
  RSA0000863  Antennaria speciosa H. M. Hall 1901-07 2401 Riverside San Jacinto Mountains. Tamarack Valley. 2835 Comment
  CLARK-A1528-148  Anthemis cotula Fred B. Essig 1967-6-22 Riverside Riverside Comment
  RSA557573  Anthemis cotula Julie Greene 1993-5-12 1294 b Riverside North side of San Jacinto River levee, west of Davis Road. 433 Comment
  RSA1552  Antirrhinum coulterianum J. T. Howell 1928-7-9 1075 Riverside San Juan Canyon road, Elsinore Mts. Comment
  RSA425788  Antirrhinum coulterianum Gale Sphon 1955-5-7 s.n. Riverside 3 miles W of Lake Elsinore. Comment
  SEINET3208901  Antirrhinum coulterianum G. Goodwin 2012-6-14 3457 Riverside San Jacinto Mountains, at vista south of Idyllwild adjacent to highway 243 1650 Comment
  UCSB13305  Antirrhinum coulterianum Elliott, Millicent 1962-5-5 Riverside 6.6 miles south of junction of 8th Street (Banning) with U.S. Highway 70-90; San Jacinto Mountains 1158 Comment
  UCR121680  Antirrhinum kelloggii Ian G. Gillespie, Abby Sirulnik 2000-5-7 39 Riverside Temescal Valley, 0.9 mi SE of Indian Truck Trail and 40 m SW of DePalma Road, directly across from Corona Lake 396 Comment
  CLARK-A1528-5198  Antirrhinum nuttallianum John C. Roos 1966-4-29 Riverside Comment
  SD262335  Antirrhinum nuttallianum Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-6-8 617 9 Riverside Temescal Valley: Indian Wash, SW of I-15, S side of De Palma Rd., about 0.2 mi WNW of inter. with Glen Eden Rd (Alberhill 7.5'Q) 366 Comment
  UCR116075  Antirrhinum nuttallianum O. F. Clarke, Jeanine Derby 1974-4-13 s.n. Riverside Box Springs Mtns., E side of Box Springs Mtn. Rd. c. 1 mile above Pigeon Pass 686 Comment
  SD137619  Antirrhinum nuttallianum subsp. nuttallianum Darin L. Banks, Steve Boyd 1995-5-9 370 Riverside NW Palomar Mtns., N of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground 792 Comment
  UCR177645  Apiastrum angustifolium S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR250311  Apiastrum angustifolium A. C. Sanders 2014-4-8 40976 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 280 m NE of the I-15 crossing, near mouth of Mayhew Canyon 317 Comment
  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
  UC667363  Arabis glaucovalvula Annie M. Alexander and Louise Kellogg 1941-5-4 2110 Riverside Joshua Tree National Monument 1249 Comment
  RSA0128856  Arabis sparsiflora Scott D. White, Justin M. Wood 2008-6-19 12276 Riverside Meadows at Baldy Mtn. 1585 Comment
  RSA629145  Arctostaphylos Jon E. Keeley 1992-7-17 16729 Riverside Morris Ranch Road (6S06), 0.8 km east east of Highway 74, Garner Valley. 1440 Comment
  RSA629355  Arctostaphylos glandulosa Jon E. Keeley 1992-6-1 15539 Riverside Road to Elsinore Pk., 1/2 km south of Elsinore Pk. 1000 Comment
  RSA629382  Arctostaphylos glandulosa Jon E. Keeley 1992-4-17 15084 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA629456  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16802 Riverside Road to Thomas Mountain (5S15), 6.3 km north of Toolbox Spring. 1770 Comment
  OBI42561  Arctostaphylos glandulosa subsp. leucophylla A. C. Sanders 1986-6-1 6549 Riverside San Jacinto Mts, along trail toward Spitler Peak from the Hurkey Crk camp to Bonita Vista road. 1707 Comment
  RSA629168  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16808 Riverside Rd. to Thomas Mts. (5S15), 7.0 km north of Toolbox Springs. 1720 Comment
  RSA629450  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-16 16572 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  UC1073275  Arctostaphylos glandulosa subsp. zacaensis George B. Rossbach 1955-4-28 390 Riverside se Banning (Route 78, just s of n boundary of National Forest); San Bernardino National Forest, San Jacinto Mountains Comment
  RSA262113  Arctostaphylos glandulosa subsp. zacaensis E. W. Lathrop 1969-05 7028 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  POM367315  Arctostaphylos glauca N. C. Cooper 1943-9-11 899 Riverside San Jacinto Mtns. Eastern slope at roadside 1220 Comment
  RSA336405  Arctostaphylos glauca R. F. Thorne, A. Shmida, Robert Whittaker 1978-4-23 52086 Riverside Pinyon Flats: along Hwy 74, Santa Rosa Mountains. Comment
  RSA631757  Arctostaphylos glauca Jon E. Keeley 1992-9-27 21809 Riverside Highway 74 at Pinyon Flats, southwest of Palm Desert. 1290 Comment
  RSA631834  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16595 Riverside Standley Road, south of Red Mountain Road, 4.3 km east of R3. 800 Comment
  UC667284  Arctostaphylos glauca Annie M. Alexander and Louise Kellogg 1941-5-4 2117 Riverside surrounding the reservoir Joshua Tree National Monument, Barker Dam 1325 Comment
  UCR48503  Arctostaphylos glauca Steve Boyd 1986-4-19 1704 Riverside Peninsular Range, Temescal Canyon, east side of Indian wash between I-15 and Temescal Canyon Road 351 Comment
  RSA633623  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16697 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633706  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16670 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA633743  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20125 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633767  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16633 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  RSA633770  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16674 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA635685  Arctostaphylos pringlei Jon E. Keeley 1992-7-16 16827 Riverside Idyllwild, saunders Mdw. Rd., E of Hwy 243, San Jacinto Mtns. 1610 Comment
  CAS-BOT-BC44326  Arctostaphylos pringlei subsp. drupacea E. P. Van Duzer 1917-6-1 s.n. Riverside Mt. Tahquitz Comment
  POM122257  Arctostaphylos pringlei subsp. drupacea Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  RSA635649  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-16 16646 Riverside Road to Santa Rosa Mountain (7S02), 7.5 km south of Highway 74. 1860 Comment
  RSA635652  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-17 16761 Riverside Road to Thomas Mtn. (5S15), 1.8 km south of Toolbox Spring, west of Garner Valley, San Jacinto Mountains. 1785 Comment
  UC21863  Arctostaphylos pringlei subsp. drupacea H. M. Hall May 1899 1123 Riverside Strawberry Valley San Jacinto Mountains 1615 Comment
  UCSB26622  Arctostaphylos pringlei subsp. drupacea Wilken, Dieter; Werner, Walter 1969-5-8 Riverside Junction of Black Mtn. Road and Riverside County Road R1, 6 miles north of Idyllwild, San Jacinto Mtns. Comment
  LA42246  Arctostaphylos pungens W. B. Welch; 1928-5-5 sn Riverside San Jacinto Mountains, Idyllwild and Lily Rock Comment
  SEINET7267028  Arctostaphylos pungens E. K. Balls 1949-5-4 13485 Riverside San Jacinto Mts., 0.5 mile south of Vista Grande Ranger Station. 1494 Comment
  RSA636153  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19470 Riverside West of Temecula, off Carancho Rd., west of De Luz Rd., eastern Santa Margarita Mtns. 460 Comment
  UCR90385  Arenaria douglasii Steve Boyd 1995-4-24 8480 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on N flank of Agua Tibia Mtn, at N base of Wildhorse Peak. Along the Wildhorse Trail near its junction with the Dripping Springs Trail. 610 Comment
  CAS-BOT-BC401605  Argemone corymbosa subsp. corymbosa J. H. Thomas 1949-4-23 455 Riverside 9 miles north of Desert Center, near Boulder Well, on highway between Desert Center and Rice Comment
  UC724250  Argemone munita Aven and Ruth Nelson 1939-3-30 3341 Riverside Highway 60 near Desert Center Comment
  POM19799  Argemone munita subsp. munita Mary F. Spencer 1923-8-17 2181 Riverside Prope [near] Kenworthy, Hemet Valley; San Jacinto Mt. 1372 Comment
  PASA688  Argythamnia serrata 1928-3-3 Riverside Desert Hidden Springs Comment
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Aug 27 2016
  JOTR33787  Aristida adscensionis La Doux, Tasha, Bill Truesdell 2007-11-9 2525 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park; small side canyon to east of larger wash running parallel to and east of Lost Palms Canyon (Stop 6) 655 Comment
  RSA704541  Aristida adscensionis LeRoy Gross 2005-3-3 1581 Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W 207 Comment
  RSA784780  Aristida adscensionis Duncan S. Bell 2012-3-18 3184 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  JOTR30070  Aristida californica var. californica La Doux, Tasha, Bill Truesdell 2006-10-3 1713 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  RSA385024  Aristida californica var. californica Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-29 7816 Riverside West of Indio, 3 miles E of Date Palm Drive. 15 Comment
  UCR216682  Aristida purpurea Tasha La Doux, Jim Andre 2009-3-10 386 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  JOTR35934  Aristida purpurea var. fendleriana De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6882 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 905 Comment
  SDSU13499  Artemisia californica W. Miller with C. Mosse 1972-7-20 Riverside Comment
  SDSU6156  Artemisia californica S. J. Barnhart 1966-4-17 660417 -11 Riverside South-west facing slope of small hill 0.1 mi. east of McAllister St. along the Metropolitan Water Co. utility road (dirt), which is 1.5 mi. south-east of the intersection of McAllister St. and Victoria Ave. 457 Comment
  RSA595907  Artemisia douglasiana Darin L. Banks, Lauren Raz 1996-11-5 1166 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
  UCR116674  Artemisia dracunculus A. C. Sanders, Carolyn Washburn 2001-5-10 24238 Riverside Perris-Aguanga Basin, 1 mi. south of Winchester on the east side of Hwy 79 (Winchester Rd.) just south of Patton Ave. 488 Comment
  UCR177431  Artemisia dracunculus Scott D. White 2003-10-9 9823 Riverside San Jacinto Mountains, Pine Cove area, Dutch Flat 1753 Comment
  JEPS49055  Artemisia ludoviciana subsp. albula Lewis S. Rose 1966-12-14 66106 Riverside 3 mi. w. Palm Springs; Chino Canyon 670 Comment
  RSA38403  Arundo donax P. A. Munz 1946-10-20 11580 Riverside Palms to Pines Hwy at N base of Snata Rosa Mts. 1037 Comment
  GMDRC5759  Asclepias albicans J. M. Andre 2013-3-4 23873 Riverside Riverside Mountains: east side of range, along rocky dirt road to historic mine area, 0.8 mi west of Hwy 95, approx 12 mi. south of Vidal Jct 127 Comment
  UCR193857  Asclepias eriocarpa A. C. Sanders, Mitch Provance 2008-7-11 35822 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  SDSU2729  Asclepias subulata D. F. Howe 1963-5-15 3480 Riverside 26.5 miles west of Desert Center on #195. 457 Comment
  CAS-BOT-BC68758  Asplenium vespertinum P. A. Munz 1922-4-28 5036 Riverside Leach Canyon, Santa Ana Mts. 762 Comment
  CLARK-A1528-1605  Aster chilensis John C. Roos 1946-9-14 3014 Riverside San Jacinto Mountains 1371 Comment
  POM10306  Aster hesperius Charlotte M. Wilder 1904-09 391 Riverside W Riverside Comment
  CLARK-A1528-5445  Aster menziesii John C. Roos 1951-10-19 Riverside San Timoteo Canyon dry, semi-alkaline road side; with Artemisia douglasiana and Distichlis stricta; ; El Casco 7.5' 609 Comment
  SEINET269464  Aster subulatus Scott D. White, Steve Ogg 1994-10-17 2484 Riverside Temecula Murrieta Creek channel 1000 ft. north of bridge at Rancho Calif. Avenue. 305 Comment
  RSA774897  Astragalus Duncan S. Bell, Amber Swanson 2011-2-18 2030 Riverside Coachella Valley area; Edom Hill; along Edom Hill Road near dump; 0.6 road miles from junction of Varner Road and Edom Hill Road. 259 Comment
  UC68624  Astragalus aridus H. M. Hall Apr., 1905 5826 Riverside near Indio (Colorado Desert); , near Indio 0 Comment
  UCSB3511  Astragalus bernardinus Krogen, Roger 1957-1 Riverside Along Hwy. 195, 8 mi. W of junction of Hwys 60-70 and 195 Comment
  CAS-BOT-BC177717  Astragalus crotalariae Peter H. Raven 1958-1-25 11484 Riverside Salton Sea State Park, 10.5 miles south of Mecca, on east side of Salton Sea Comment
  CAS-BOT-BC177722  Astragalus crotalariae Annie M. Alexander; Louise Kellogg 1941-3-2 1881 Riverside Roadside 5 miles south of Valerie Comment
  CAS-BOT-BC182585  Astragalus didymocarpus var. dispermus Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio Comment
  CAS-BOT-BC182635  Astragalus didymocarpus var. obispoensis L. R. Abrams 1935-4-7 13664 Riverside Gavilan Hills, 2 mi. SW. of Perris Comment
  RSA171359  Astragalus douglasii var. parishii J. D. Olmsted 1962-5-3 3516 Riverside Along road from Santa Rosa Indian Reservation to old village, etc. At first canyon crossing to SW side. 1555 Comment
  UC597637  Astragalus filipes Philip A. Munz 1937-5-31 15125 Riverside Kenworthy , Kenworthy (San Jacinto Mts.) 1371 Comment
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Mar 25 2011
  CLARK-A1528-2745  Astragalus insularis var. harwoodii John C. Roos 1949-4-10 4222 Riverside Chuckwalla Mountains Comment
  RSA415588  Astragalus lentiginosus var. coachellae Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-29 7815 Riverside West of Indio, 3 miles E of Date Palm Drive. 15 Comment
  RSA707348  Astragalus lentiginosus var. coachellae Jonathan Snapp-Cook, Kurt Roblek, Kevin B. Clark, Reas Chavez 2005-6-30 CFW- 010 Riverside Rancho Mirage, eastern Riverside County. 0.5 miles WNW of intersection of Ramon Road and Los Alamos Way. This area is referred to as Big Dune 91 Comment
  UCR161367  Astragalus lentiginosus var. coachellae Mark A. Elvin 2005-4-25 4217 Riverside Northern Sonoarn Desert, Coachella Valley; N of Palm Springs; N of 110; south of Dillon Road; east of Indian Avenue 244 Comment
  CLARK-A1528-453  Astragalus lentiginosus var. fremontii Howard Towner 1965-4-3 6504034 Riverside Palm Springs Comment
  UCR186855  Astragalus lentiginosus var. variabilis Naomi Fraga, Et al. 2005-3-30 1541 Riverside Sonoran (Colorado) Desert/Mojave Transition, dunes in the southern portion of the Pinto Basin. Joshua Tree National Park 549 Comment
  CAS-BOT-BC192763  Astragalus palmeri Nancy Ryan Zabriskie; Walter Zabriskie 1972-4-9 513 Riverside Northwest of road above Riv 72, 81.72 marker, Deep Canyon drainage, Santa Rosa Mts. 1219 Comment
  RSA415401  Astragalus palmeri B. C. Templeton 1930-3-22 1637 Riverside Palm Springs. 400 Comment
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Jan 4 2012
  RSA751013  Astragalus palmeri Robert F. Thorne, Avi Shmida, Robert Whittaker 1978-4-23 52076 Riverside Bighorn Lookout: Santa Rosa Mountains. Comment
  SD37529  Astragalus palmeri Edith A. Purer 1935-4-21 6467 Riverside Palm Springs, desert floor Comment
  CAS-BOT-BC194169  Astragalus pomonensis John F. Green 2005-3-7 s.n. Riverside Wildomar, west of Grand Ave off Sweet Nectar Rd., Peninsular Range, Wildomar 7.5' Q 414 Comment
  POM2003  Astragalus pomonensis I. M. Johnston 1918-4-3 s.n Riverside Valle Vista above Hemet. 534 Comment
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Nov 20 2011
  SD8526  Astragalus pomonensis Daniel Cleveland 1882-5-3 Riverside San Jacinto Plains (mak 8/07) Comment
  UCR261866  Astragalus pomonensis Tim Thomas, J. Vollmar 2014-4-9 6311 Riverside San Jacinto Valley, just north of the intersection of Alessandro Blvd. and Gilman Springs Rd., at mouth of canyon 671 Comment
  RSA0003064  Astragalus pomonensis Marcus E. Jones 1882-4-24 3166 Riverside Temecula Comment
  CLARK-A1528-2761  Astragalus tricarinatus John C. Roos 1948-5-8 3826 Riverside Whitewater Comment
  UCR37629  Astragalus tricarinatus George K. Helmkamp 1984-5-5 E 5 Riverside Transverse Range, Little San Bernardino Mountains, Big Morongo Canyon, 4 road miles below the caretaker's house at the Big Morongo Preserve 549 Comment
  UCSB3025  Astragalus tricarinatus Walker, Clifford 1954-4-10 Riverside East slope of Arroyo near head of White Water Canyon Comment
  CAS-BOT-BC98823  Atrichoseris platyphylla C. L. Hitchcock 1966-3-20 24315 Riverside Dry rocky hillside, 5 miles n. of Milpitas Wash and 12 mi. n.w. of Blythe-Glamis Road Comment
  RSA418187  Atrichoseris platyphylla N. C. Cooper 1949-4-8 3289 Riverside Shaver's Summit east of Indio 610 Comment
  RSA480071  Atrichoseris platyphylla Steve Boyd, S. Meury, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2161 Riverside Palen Pass at the north end of the Palen Mountains 500 Comment
  POM278705  Atriplex canescens Grant D. Brown 1950-12-2 578 Riverside Temescal Wash at entrance to Cajalco Canyon, SE of Corona. 274 Comment
  UCR109572  Atriplex canescens R. D. Goeden, Don W. Ricker 1978-11-16 s.n. Riverside Coachella Valley, Indio, Monroe St. -6 Comment
  JOTR36387  Atriplex canescens subsp. canescens La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3340 Riverside Joshua Tree National Park. Pleasant Valley: S of Hexie Mountains, on edge of road in playa 999 Comment
  POM202637  Atriplex canescens var. laciniata W. M. Ingram 1934-10 8 Riverside Salton. -61 Comment
  RSA5448  Atriplex canescens var. laciniata C. B. Wolf 1932-10-13 s.n. Riverside Caleb (Southern Pacific railway siding), 4.5 miles SE of Mecca, Colorado Desert 61 Comment
  UCR103491  Atriplex coronata var. notatior D. E. Bramlet 1995-6-8 2438 Riverside San Jacinto Valley, Mystic Lake Duck Club, on berms & on the SW duck ponds within the club,1.71 km east of Davis Road and 46 m south of the access road, 640m north of the San Jacinto River Channel 436 Comment
  UCR62385  Atriplex coronata var. notatior Don Mitchell 1990-6-1 s.n. Riverside 1.5 mi west of Lakeview, on south side of Ramona Expressway, c. 200 yards west of the San Jacinto River Comment
  UCR91926  Atriplex elegans George K. Helmkamp 1995-3-16 s.n. Riverside Sonoran (Colorado) Desert, Below Coxcomb Mtns., west of Rice Rd., 10.3 mi. NE of Desert Center 200 Comment
  CHSC239  Atriplex hymenelytra E. Thomas 1940-2-17 Riverside Thermal Canyon, Coachella valley. 30 Comment
  UC110247  Atriplex lentiformis T. S. Brandegee 1901-4-3 Riverside Salton Crossing , Salton Crossing (Colorado Desert) Comment
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Sep 11 2011
  RSA478375  Atriplex polycarpa Allen 1920-10 s.n. Riverside Palm Springs. Comment
  RSA785197  Atriplex suberecta D. E. Bramlet 1996-5-4 2461 Riverside San Jacinto Valley, San Jacinto Wildlife Area, 300m SW of Pond No. 1, and c. 1 km NE of the reserve entrance at Davis Road 433 Comment
  UCR201020  Atriplex suberecta Scott D. White 2008-8-20 12537 Riverside Peninsular Range; Perris-Aguanga Basin, City of Moreno Valley, Perris Blvd. between Krameria and Oleander Streets 451 Comment
  RSA716386  Avena barbata Scott D. White, Angelia Carey 2004-4-5 9994 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  RSA0042643  Avena barbata Diane M. Ramirez 1983-5-15 27 Riverside Poppet Flat Divide Truck Trail, 3 mi S of junction with CA Hwy 243, S of Banning. Angelus Hill. 1253 Comment
  UCR172142  Avena fatua A. C. Sanders 2006-5-11 32263 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
  UCR2188  Avena fatua F. M. Reed 1934-3-1 8703 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 274 Comment
  RSA0045164  Avena sativa Andrew Haimov, April Sleigh 1992-5-5 80 Riverside East side of Davis Road, 2 miles north of Ramona Expressway, San Jacinto Wildlife Area. Comment
  RSA192262  Azolla filiculoides Earl W. Lathrop 1965-3-30 5609 Riverside 12 miles west of Murrieta. Tenaja Range Comment
  SDSU14014  Azolla filiculoides Dinna Estrella, M. G. Simpson 2002-4-20 29 Riverside Santa Margarita Ecological Reserve. River, ca. 1/4 mile east of junction with Via Tornado Road. 229 Comment
  RSA89967  Baccharis brachyphylla J. C. Roos 1950-10-15 5008 Riverside San Bernardino Mtns. Dry Morongo Canyon, c. l mi south of Riverside-San Bernardino county line. 612 Comment
  UCR141243  Baccharis pilularis subsp. consanguinea A. C. Sanders, Kelly Volansky 2004-10-6 28815 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
  RSA220380  Baccharis salicifolia C. W. Tilforth, John Dourley 1970-9-2 301 Riverside 5 miles S of Banning, County Hiway R1 Comment
  CAS-BOT-BC106675  Baccharis salicina J. Ewan 1931-10-3 5216 Riverside River bottom flat, Santa Ana River, 4 mi. N.W. of Corona Comment
  SD229070  Baccharis sergiloides Dick Schwenkmeyer 2012-5-22 731 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  UC1118934  Baccharis sergiloides H. S. Yates 1937-3-24 6467 Riverside s of Pinyon Flat; Thermal Quad. 975 Comment
  JEPS81870  Bacopa monnieri Brad Ballen, J. L. Johnson, G. D. Barbe 1983-1-24 4035 Riverside NE of Rancho Mirage (Desert Island Country Club) Comment
  POM259200  Bahia dissecta Philip A. Munz 1938-8-13 15339 Riverside Rocky crest of ridge near Santa Rosa Peak. 2378 Comment
  CAS-BOT-BC295904  Bahiopsis parishii H. M. Hall 1902-4-1 2783 Riverside Western borders of the Colorado Desert. Coyote Canyon 152 Comment
  CAS-BOT-BC295906  Bahiopsis parishii C. L. Hitchcock 1940-3-30 5873 Riverside Cottonwood Spring Comment
  POM294110  Bahiopsis parishii Lyman Benson 1946-4-15 12044 Riverside Canyon on Twenty-nine Palms Road from Whitewater. 457 Comment
  UCR33559  Baileya pauciradiata Faulkner 1978-3-30 398 Riverside Sonoran (Colorado) Desert, sand dunes between Riverside and Big Maria Mtns. 11 mi south of Vidal 198 Comment
  JOTR32373  Baileya pleniradiata La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2484 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam loop trail, near trailhead; Sandy wash and open flats among boulder outcrops (Stop 2) 1298 Comment
  UCR202611  Barbarea orthoceras Scott D. White, Justin M. Wood 2008-7-9 12426 Riverside San Jacinto Mountains, K Flat, from large pond downstream to meadow 1463 Comment
  UCR45139  Bassia hyssopifolia L. F. LaPre, B. Pitzer 1986-9-16 s.n. Riverside San Jacinto Wildlife Area, on levee beside the San Jacinto River, c. 1 mi east of Bridge St 436 Comment
  RSA696873  Bebbia juncea J. Russell Bruff 1927-11-26 32 Riverside Cottonwood Springs vicinity. Comment
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Oct 9 2010
  SEINET2047507 Image available Bebbia juncea Grace Sprague 1968-5-3 Riverside White Water Canyon Wash Comment
  CAS-BOT-BC100132  Bebbia juncea var. aspera Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring 60 Comment
  UC1126275  Berberis aquifolium var. dictyota R. St. John 1931-3-13 195 Riverside Bald Peak; Corona Quadrangle Comment
  UCR85592  Bergia texana Julie A. Greene, Steve Boyd, D. E. Bramlet, Hilda Flores, H. Ochoterena B. 1993-7-9 1432 Riverside San Jacinto Valley, San Jacinto Wildlife Area [northwest of Lakeview] 433 Comment
  UCR239927  Bidens laevis O. F. Clarke 2004-6-20 s.n. Riverside Santa Ana River near Riverside 244 Comment
  RSA192330  Blennosperma nanum E. W. Lathrop 1966-4-24 6203 Riverside 4 miles W of Murrieta Comment
  UCR271519  Bloomeria crocea T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8361 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  RSA367332  Bloomeria crocea var. crocea N. C. Cooper 1944-7-16 1542 Riverside At trailside. San Jacinto Mt. above Pine Cove 2072 Comment
  SEINET225802  Bloomeria crocea var. crocea K. M. Kummer 1981-5-19 Riverside Box Springs Mountains Box Springs Reserve 732 Comment
  LA204390  Boechera arcuata Carl Epling; William Robison 1935-6-30 sn Riverside N fork San Jacinto River Comment
  POM49150  Boechera californica P. A. Munz 1924-5-18 8136 Riverside 18 miles south of Banning on Idyllwild Road. 1524 Comment
  UC1563102  Boechera californica Steve Boyd, Tim Ross, and Laurel Arnseth 1989-5-7 3568 Riverside along Arroyo Seco drainage from jct with Kolb Creek, s to within 0.25 mi of Hwy 79 Vail Lake Area 457 Comment
  CAS-BOT-BC16256  Boechera glaucovalvula Philip Alexander Munz 1949-4-11 13019 Riverside Mohave Desert. North base of Eagle Mountains. Near Conejo Well. 914 Comment
  UCR18393  Boerhavia coccinea A. C. Sanders, J. Zabriskie 1979-8-18 0849 Riverside Sonoran (Colorado) Desert, slopes of Santa Rosa Mountains, on Hwy 74. 488 Comment
  CAS-BOT-BC434515  Boerhavia diffusa S. B. Parish 1916-5-13 10855 Riverside Cottonwood Springs, Colorado Desert 792 Comment
  UCR35201  Boerhavia intermedia L. B. Ziegler 1971-10-12 431 Riverside San Jacinto Mtns, Pinyon Flats 1311 Comment
  RSA0009686  Boerhavia intermedia Marcus E. Jones 1929-9-16 24796 Riverside Hayfield, Near Desert Center. Colorado Desert. Comment
  UCR89882  Bolboschoenus maritimus subsp. paludosus J. M. Stewart 1991-5-15 789 Riverside Sonoran (Colorado) Desert, Coachella Valley, Dos Palmas Oasis [Rancho Dos Palmas, Nature Conservancy preserve headquarters], North Shore -37 Comment
  CLARK-A1528-1266  Bothriochloa barbinodis E. W. Lathrop 1965-4-26 Riverside Comment
  RSA450460  Bouteloua aristidoides J. C. Roos 1946-9-14 3026 Riverside Pinyon Flats, Santa Rosa Mountains. 1220 Comment
  JOTR34107  Bouteloua aristidoides var. aristidoides La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2669 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  RSA0027477  Bouteloua aristidoides var. aristidoides Deidre Conocchioli, April Garbat 2013-9-5 39 Riverside Sonoran Basin & Range. Chuckwalla Valley: From Blythe, Ca, head west on 1-10 for 23 miles. Exit at Ford Dry Lake, turn left to cross back over the interstate and turn right on Chuckwalla Valley Rd., Site is 1.5 miles down on south side of road, near intersection of Graham Pass Rd (unpaved). 120 Comment
  RSA781996  Bouteloua barbata Duncan S. Bell 2011-12-30 3034 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  UCSB18911  Bouteloua curtipendula Keefe, Joseph 1965-5-18 Riverside Pinyon Flats Campground, S of Palm Desert 1432 Comment
  UCR125285  Brachychiton populneum A. C. Sanders 2003-1-18 25668 Riverside San Bernardino Valley Region, Louis Rubidoux Nature Center, near entrance, Santa Ana River, West Riverside 226 Comment
  RSA0105943  Brandegea bigelovii Alan Romspert 2000-4-14 s.n. Riverside West of Dupont road, Chuckwalla Mountains. Comment
  SD80936  Brandegea bigelovii James Henrickson 1969-11-8 4371 Riverside 5 air mi. S of Palm Desert near top of Seven Level Hill at scenic stop 669 Comment
  UCR144414  Brandegea bigelovii Scott D. White, Michael Honer 2003-5-15 9313 Riverside Sonora (Colorado) Desert, Bajada below Little Maria/Big Maria Mtns, near Inca RR siding and c. 15 air mi NW of Blythe 76 Comment
  RSA783665  Brassica adpressa J. D. Olmsted 1959-8-26 847 Riverside Oat Flat along Main Divide Motorway between Sierra Peak and the old Sierra Peak Guard Station, Santa Ana Mtns towards Santiago Res. 823 Comment
  HSC6599  Brassica juncea C. E. Fellows 1965-4-13 55 Riverside 5 mi. N of Palm Springs city limits on Hwy. 111, 1.5 mi. W on Snow Creek Rd. Comment
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Jun 9 2013
  RSA703413  Brassica tournefortii LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1431 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground., Near 33 deg 37'32N, 115 deg 19'35W: UTM 3721895N, 655238E to 33 deg 36'52N, 115 deg 19'54: UTM 3720669N, 654757E. 480 Comment
  UC2015553  Brassica tournefortii A. C. Sanders with P. MacKay, M. Jacobsmyer, C. Sanders, et al. 1995-3-5 15997 Riverside Colorado Desert, Orocopia Mountains, Maniobra Valley, 1.6-3 mi S of Frontage road (old highway 60) along I-10, S to edge of BLM wilderness. Comment
  UCR103171  Brassica tournefortii Scott D. White, Julie Greene 1997-3-12 4770 Riverside Pedley area, S foot of Jurupa Hills: Just north of State Route (Fwy) 60 at Pedley exit. 305 Comment
  CAS-BOT-BC106178  Brickellia desertorum J. C. Roos 1950-11-25 5026 Riverside Dry hills at north end Perris Blvd., Sunnymead. 609 Comment
  CLARK-A1528-5509  Brickellia desertorum John C. Roos 1947-11-1 3751 Riverside Eagle Mountains Comment
  UC1010240  Brickellia desertorum J. C. Roos 1950-11-25 5026 Riverside dry hills at n end of Perris Blvd., Sunnymead Sunnymead 612 Comment
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Jul 21 2010
  UCR9106  Brickellia desertorum O. F. Clarke 1969-10-8 s.n. Riverside San Bernardino Valley Region, Riverside, UCR campus, south side of campus Comment
  CAS-BOT-BC132191  Brodiaea filifolia John Thomas Howell 1930-5-10 4790 Riverside 2 miles south of Perris Comment
  RSA376782  Brodiaea santarosae Christopher Davidson 1977-5-25 5639 Riverside Mesa de Burro, Santa Rosa Plateau area of the Santa Ana Mtns. 701 Comment
  UCR191204  Brodiaea santarosae Tom Chester, W. P. Armstrong, Kay Madore 2006-6-15 927 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve: Clay Hill, 0.7 km south-southwest of the northernmost high point of the Mesa de Burro 573 Comment
  SD136967  Bromus arenarius Steve Boyd, Tim Ross et al. 1993-5-13 7367 Riverside Southen Santa Ana Mountains, San Mateo Canyon Wilderness Area. Los Alamos Canyon at mouth of Wildhorse Canyon. 410 Comment
  RSA179502  Bromus arenarius E. W. Lathrop 1960-6-6 4816 Riverside 14 miles W. of Murrieta. Comment
  RSA570549  Bromus arenarius Steve Boyd, Chris Frazier 1993-4-24 8008 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck rd. 792 Comment
  UCR157592  Bromus arizonicus A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16221 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  SBBG105035  Bromus carinatus S. Boyd with D. Banks 1994-4-5 8257 Riverside San Mateo Cyn Wilderness Area, vicinity of Oak Flats 762 Comment
  JOTR16773  Bromus diandrus Hogan, J. 1974-7-11 63 Riverside Joshua Tree National Park. 0.9 MILES EAST OF EUREKA PEAK 1584 Comment
  JOTR35176  Bromus diandrus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3277 Riverside Joshua Tree National Park. Queen Mountains; West side of Barker Dam; Small riparian zone in and along drainage from dam (Stop 5) 1300 Comment
  RSA715939  Bromus diandrus Scott D. White, Angelia Carey 2004-4-5 10027 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR171969  Bromus hordeaceus John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula, Long Canyon, Southern California Edison right of way between residential areas, south of Rancho California Road and east of Margarita Road 366 Comment
  UCR172226  Bromus hordeaceus 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
  UCR213304  Bromus hordeaceus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37698 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 378 Comment
  VVC551  Bromus hordeaceus A. C. Sanders, J. Mac 1997-5-4 20690 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek. 854 Comment
  POM147497  Bromus hordeaceus F. M. Reed 1928-4-18 5860 -B Riverside Vail Ranch west of Aguanga. Comment
  NY1088730  Bromus madritensis subsp. rubens D. K. Christopher 2003-4-4 93 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 530 Comment
  UCSB18534  Bromus madritensis subsp. rubens MacLean, Jr., Steve 1963-5-4 Riverside Banning to Idyllwild Rd; 2.5 mi S of Banning 853 Comment
  UCD59074  Bromus orcuttianus var. hallii Peter Kamb 1948-7-3 1141 a Riverside Hall Canyon, San Jacinto Mtns. 1645 Comment
  CAS-BOT-BC161814  Bromus rubens V. W. Steinmann; D. B. Steinmann 1996-3-16 811 Riverside Northeast foothills of the San Jacinot Mountains, lower portion of Chino Canyon alluvial plain, 1 km south of Highway 111 at a point ca. 1.5 km northwest of the Tramway-San Rafael intersection. 300 Comment
  CAS-BOT-BC161816  Bromus rubens C. H. Muller 1952-4-5 9489 Riverside White Water Canyon, 1 mile above White Water. Comment
  UC1023393  Bromus trinii John and Lucille Roos 1953-3-21 5909 Riverside s of Palm Springs (mouth of Andreas Canyon); Andreas Canyon 274 Comment
  UC1080448  Caesalpinia virgata P. C. Everett and E. K. Balls 1958-4-29 22958 Riverside Indio to Blythe (U.S. Hwy. 60/70, 5 mi. e. from junction with U.S. Hwy. 99) 121 Comment
  UC1595738  Caesalpinia virgata W. Wisura, J. Dolan, and M. Wall 1992-3-24 4623 Riverside 6.2 mi. n.e. Mecca (on Box Canyon Rd.) Comment
  UC1552149  Calandrinia ambigua David Charlton 1988-2-19 1211 Riverside road between Cottonwood Wash and Mecca; Orocopia Mtns., Mecca Hills, Lower Box Canyon 457 Comment
  UC310281  Calandrinia ambigua Philip A. Munz 1926-1-31 9982 Riverside clay hills w Dos Palmos; Colorado Desert Comment
  RSA556439  Calandrinia ciliata Julie Greene 1993-4-17 1199 Riverside West of Davis Road. 433 Comment
  POM48361  Calocedrus decurrens Philip A. Munz, I. M. Johnston 1924-7-28 8799 Riverside Pine Flats 1738 Comment
  POM15216  Calochortus concolor Mary F. Spencer 1922-6-16 2036 Riverside Idyllwild, San Jacinto Mountains. 793 Comment
  UCR52585  Calochortus palmeri var. munzii Kathy Harper 1988-5-14 s.n. Riverside Peninsular Range, San Jacinto Mtns, Hwy 74 between Alpine Village and the Vista Point at Seven Level Hill Comment
  RSA692245  Calochortus splendens Scott D. White, Michael Honer 2003-5-27 9405 Riverside Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak 2349. 396 Comment
  RSA784190  Calochortus splendens J. D. Olmsted 1959-6-23 666 Riverside M. fk. San Jacinto River. On west bank of pond at Desert Sun School near Idyllwild. 1646 Comment
  UCR16067  Calochortus splendens Anna Mayers 1978-4-10 s.n. Riverside Lake Mathews, 1.6 mi south of the junction of La Sierra and Cajalco Comment
  RSA388336  Calycadenia tenella Steve Boyd 1986-5-7 1826 Riverside Temescal Canyon Alberhill Mountain: lower slopes of S flank just east of clay mine area 427 Comment
  UCR1625  Calycoseris parryi Leland R. Dykes 1962-4-1 9 Riverside San Bernardino Mtns/ Sonoran (Colorado) Desert, Whitewater Canyon Rd, 4.5 mi north of U.S. 60 732 Comment
  UCR77713  Calycoseris parryi Steve Boyd, D. Bramlet 1991-5-13 6243 Riverside Domenigoni Hills, north side Domenigoni/Diamond Valley, ESE of Winchester. Vicinity of ultramafic outcrop on ridgetop south of S-end of Warren Rd. 610 Comment
  UCR26070  Calycoseris wrightii John C. Roos, Lucille Roos 1949-4-9 4209 Riverside Sonoran (Colorado) Desert, near the Riverside Mtns., 30 miles north of Blythe 137 Comment
  UC851929  Calyptridium monandrum I. W. Clokey 1935-4-18 6616 Riverside Gavilan Mesa 600 Comment
  RSA788871  Calyptridium parryi Gary D. Wallace 2003-7-8 4031 Riverside Hidden Lake. Comment
  SEINET998494  Calystegia macrostegia A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-1 32520 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. (Murrieta 7.5' Q) 579 Comment
  RSA394919  Calystegia macrostegia subsp. intermedia E. A. McGregor 1967-6-8 s.n. Riverside Lake Elsinor Comment
  UCR138155  Calystegia macrostegia subsp. intermedia D. L. Banks 1997-3-29 1637 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. The intersection of Magee Truck Trail and Moreno Road at the extreme southwestern corner of the Reservation 415 Comment
  SDSU21844  Calystegia macrostegia subsp. tenuifolia Dang Dong, Stephanie Castillo, Lindsay Rubin 2016-4-16 7 Riverside Santa Magarita Ecological Reserve, Via Tornado, about 2-3 miles south of Santa Margarita river. 313 Comment
  UCD126154  Calystegia sepium subsp. limnophila Mitch Provance; S. D. Boyd 1999-9-14 1780 Riverside Riverside: Riverbottom along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River at the Mission Bridge, along bike path, vicinity of old Boy Scout camp. 320 Comment
  UC1184253  Camissonia Peter H. Raven 1958-1-25 11477 Riverside 5.5 mi se Painted Canyon turn-off; Box Canyon Comment
  RSA543743  Camissonia bistorta Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6047 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  RSA466013  Camissonia brevipes subsp. brevipes E. S. Spalding 1926-2-13 s.n. Riverside Colorado Desert, Box Canyon Comment
  RSA49362  Camissonia brevipes subsp. brevipes P. A. Munz 1949-4-11 13003 Riverside Mojave Desert. Joshua Tree National Monument. Eastern end of Monument. 945 Comment
  RSA339337  Camissonia californica Robert F. Thorne, W. A. Tilforth 1980-5-28 54197 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
  RSA454739  Camissonia cardiophylla Christopher Davidson, Josephine Jones 1980-4-4 9937 Riverside Orocopia Mts. West end of the mountains in a small canyon and wash almost due south of Oro Peak. 518 Comment
  RSA637570  Camissonia cardiophylla Philip A. Munz, Lillian T. Street 1919-5-7 2740 Riverside Tahquitz Canyon. 244 Comment
  RSA790631  Camissonia cardiophylla Aaron C. Sedgwick, David Fraker 2012-4-24 12 Riverside In the Palen Valley south of Power Line Rd. that parallels Hwy. 10 159 Comment
  CAS-BOT-BC154113  Camissonia claviformis N. Aitkenhead 1977-2-1 s.n. Riverside ~2 mi. W. of junction of 1000 Palms Rd & T/L Comment
  CSUSB195  Camissonia claviformis W. W. Mayhew 1959-2-3 Riverside 10 miles east of Desert Center Comment
  RSA771117  Camissonia confusa Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4925 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 823 Comment
  UCD103281  Camissonia contorta C. L. Hitchcock; C. V. Muhlick 1962-3-16 22136 Riverside Temescal Canyon, 8 miles SE of Corona. Comment
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Jun 24 2020
  RSA652359  Camissonia hirtella Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. 610 Comment
  UCR87613  Camissonia hirtella A. C. Sanders 1994-5-30 14594 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  RSA449008  Camissonia ignota H. Twining 1888-08 s.n. Riverside Rincon. Comment
  UCR20441  Camissonia ignota E. W. Lathrop 1966-3-20 6060 Riverside Santa Ana Mtns., Santa Rosa Plateau, West of Murrieta, 1 mi north of Santa Rosa Ranch 549 Comment
  RSA653425  Camissonia intermedia Scott D. White 1999-5-24 7392 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
  RSA543896  Camissonia micrantha Steve Boyd 1991-5-20 6273 Riverside Santa Ana Mountains, NW of Lake Elsinore. Lower Rice Cyn, just inside Cleveland Nat. For. boundary. 573 Comment
  SEINET244295  Camissonia micrantha A. C. Sanders, T. B. Salvato 2000-5-8 23383 Riverside San Bernardino Valley; Riverside, UCR Botanical Garden E side of the campus 396 Comment
  CLARK-A1656-761  Camissonia pallida Theo Glenn 1979-2-12 Riverside Palm Springs Comment
  RSA710936  Camissonia pallida A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16137 Riverside Sonoran (Colorado) Desert: mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point & I-10, Coachella Valley. 329 Comment
  RSA113833  Camissonia pallida subsp. hallii Harlan Lewis 1957-4-5 1682 Riverside Colorado Desert, Morongo Canyon. Comment
  RSA782087  Camissonia refracta Duncan S. Bell 2009-3-7 4 Riverside Arica Mountains: east side of mountain range, approximately 1.7 air miles west of Priest Well. 431 Comment
  UCR167438  Camissonia refracta 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
  RSA528107  Camissonia strigulosa Scott D. White 1991-4-10 91 -65 Riverside Diamond Valley area, ca. 1/2 mi. E of Mica Butte, & S of Cactus Valley Road 518 Comment
  RSA715074  Camissonia strigulosa A. C. Sanders 2005-4-22 29613 Riverside Gavilan Hills: Gavilan Plateau ca. 0.75 air mi. SE of summit of Gavilan Peak. 625 Comment
  UC354497  Camissonia strigulosa Edmund C. Jaeger 1925-5-10 Riverside Van de Venter's Flat Santa Rosa Mountains 1280 Comment
  UCR154761  Camissonia strigulosa T. B. Salvato, Kent Beaman 2005-5-16 780 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
  UCD103421  Camissoniopsis bistorta C. L. Hitchcock 1966-3-15 24173 Riverside 4 miles NE of Aquanga. Comment
  UCSB10494  Camissoniopsis ignota Breedlove, Dennis 1962-3-11 Riverside 5.7 miles southeast of U.S. 395 on State 74, road to Hemet 487 Comment
  UCSB22462  Camissoniopsis pallida subsp. hallii Day, Fran 1964-3-23 Riverside 10.3 miles south of Cabazon on Highway 111, north side of road 304 Comment
  SEINET3507531 Image available Capsella bursa-pastoris K. S. Gill 1965-3-28 Riverside 1.2 mile north of corner of Wood and Roberts roads in Woodcrest. Comment
  RSA192201  Cardamine californica var. integrifolia E. W. Lathrop 1960-3-25 4677 Riverside 14 miles west of Murrieta. Comment
  CAS-BOT-BC38114  Cardamine parviflora A. C. Sanders 1995-2-6 15915 Riverside Riversdie. UCR Campus. 367 Comment
  UCR25784  Cardaria draba John C. Roos 1949-4-2 4135 Riverside Fisherman's Retreat, San Timoteo Canyon Comment
  CAS-BOT-BC281703  Carduus pycnocephalus T. C. Fuller 1962-6-6 8847 Riverside On road cut, National Orange Co. prop., E extension of Palmrita Ave., 2.5 miles E of Iowa Ave, Highgrove Comment
  SEINET2049002 Image available Carduus pycnocephalus Rand C. Isbell 1970-5-23 9 Riverside Box Springs Mountains, Found on slopes on eastern sides of the mountains. 671 Comment
  UCR96415  Carex multicaulis Scott D. White 1996-8-1 4410 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  SEINET10945977  Carex multicaulis V. Soza, Naomi S. Fraga; S. Swartzentruber 2003-6-25 Soza 1699 Riverside Peninsular Ranges; San Jacinto Mountains region: Junction of Dark Canyon and Fuller Mill Creek. 1494 Comment
  UC1931228  Carex praegracilis Scott D. White, Justin Wood 2008-6-19 12281 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. (Idyllwild) Comment
  POM122859  Carex sartwelliana Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  POM1518  Carex schottii I. M. Johnston 1918-4-27 1859 Riverside Murrieta. 305 Comment
  RSA682459  Carex senta Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8642 Riverside Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  UCR4013  Carex senta Val Chase 1965-4-30 105 Riverside San Jacinto Mountains, San Bernardino National Forest. 15 yards downstream from the dam & spillway of Lake Fulmor. 1524 Comment
  SEINET7575825  Carex spissa Steven R. Hill, Andrew C. Sanders 2001-1 Riverside Comment
  POM19848  Carex subfusca Mary F. Spencer 1923-6-12 2177 Riverside Idyllwild, San Jacinto Mountains. 1646 Comment
  RSA614633  Carex triquetra Darin L. Banks 1997-3-29 1563 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
  SD239935  Castela emoryi Nathan Moorhatch, Shari Norton 2010-5-7 Riverside Sonoran (Colorado) Desert: north of Desert Center, north of the golf course and east of the bend in Eagle Mountain Road. 198 Comment
  RSA652586  Castilleja affinis C. J. Humphrey 1936-6-7 325 Riverside [No location information provided.] Comment
  UCR201407  Castilleja applegatei subsp. martini Justin M. Wood, Brandy N. Ulrich 2008-7-14 20 Riverside San Jacinto Mountains, Garner Valley, near intersection of Fobes Ranch Road and Hwy 74 1360 Comment
  SD229283  Castilleja applegatei subsp. martinii Dick Schwenkmeyer 2012-4-17 686 Riverside Mt. San Jacinto: Vista Grande, 2 miles south of U.S. Forestry station on Highway 243 north of Idyllwild 1618 Comment
  UCR139396  Castilleja exserta P. A. Munz 1932-3-24 12016 Riverside Santa Ana River Valley/Santa Ana Mtns. Foothills, Corona 366 Comment
  JEPS29297  Castilleja exserta subsp. exserta Rimo Bacigalupi, and L. Heckard 1962-3-25 8392 Riverside about 5 mi se Corona (just n of Bedford Canyon, at e base of Santa Ana Mountains); Santa Ana Mountains 304 Comment
  RSA0010928  Castilleja exserta subsp. exserta N. C. Cooper 1944-3-25 1000 Riverside Cabazon. 457 Comment
  RSA0010934  Castilleja exserta subsp. exserta Tamara Joy Hanna 1991-5-19 44 Riverside Off of Coyote Canyon Road (FWD dirt) on a walking trail approx. 3 miles from the gated (back) entrance to the Anza-Borrego State Park via Horse Canyon. Comment
  UC1584120  Castilleja foliolosa Steve Boyd, Tim Ross, Laurel Arnseth 1990-3-29 3831 Riverside ridge at n side mouth of Temecula Creek Canyon (and adjacent benches on s flank of Big Oak Mtn.); Vail Lake Area, Big Oak Mtn. 396 Comment
  UCD122550  Castilleja foliolosa R. L. Smith 1948-3-25 s.n. Riverside 5 miles north of March Field. Comment
  JEPS10957  Castilleja miniata Carl V. Meyer 1928-7-30 584 Riverside Saunders Meadow; San Jacinto Mts. 1676 Comment
  UCR26173  Castilleja minor subsp. spiralis John C. Roos 1948-4-24 3808 Riverside Eastern San Bernardino Mtns./Sonoran (Colorado) Desert, Whitewater Wash 549 Comment
  UC1595632  Caulanthus heterophyllus Steve Boyd and Dave Bramlet 1991-5-13 6242 Riverside n side Domenigoni-Diamond Valleys ese Winchester (Domenigoni Hills, s of s-end Warren Rd.); Domenigoni Hills, n side Domenigoni-Diamond Valleys ese Winc 548 Comment
  UCR117102  Caulanthus heterophyllus A. C. Sanders, T. B. Salvato 2001-5-16 24304 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  UCR12555  Caulanthus heterophyllus Wayne Miller 1972-4-14 720414 5 Riverside Reche Canyon, 5 mi from BartonRd. turnoff on Reche Canyon Road. 610 Comment
  UCR281485  Caulanthus heterophyllus Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-4-4 417- 88 Riverside Gavilan Hills, SCE transmission route (projected) 0.6 miles NNW of Lake St. and Walker Canyon Rd. 152 Comment
  RSA543776  Caulanthus simulans Steve Boyd, Timothy S. Ross, Mike Hammit 1991-5-2 6023 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  UCD111409  Ceanothus cordulatus R. S. Woglum 1941-6-12 3053 Ab Riverside Idyllwild. 1524 Comment
  RSA569987  Ceanothus crassifolius Steve Boyd, Kyle Boyd 1993-3-28 7921 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road. 792 Comment
  UC1594219  Ceanothus crassifolius Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-19 3019 Riverside 1 mi w Vail Lake 609 Comment
  UCR43478  Ceanothus crassifolius R. F. Thorne, W. Wisura, E. W. Lathrop, S. Meury 1985-5-18 60628 Riverside Peninsular Ranges/Santa Ana Mtns, Santa Rosa Plateau: along Clinton Keith Rd., near base of the plateau 427 Comment
  UCSB41256  Ceanothus crassifolius 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. F.; Whittaker transect #W-229. Comment
  VVC434  Ceanothus crassifolius Steve Boyd, K. A. Boyd 1993-3-28 7921 Riverside Palomar Mountains, Palomar Range S of Vail Lake at the N base of Agau Tibia Mt., Agua Tibia Widerness area, Cleveland National Forest. Along trail extending S from end of Woodchuck Rd 884 Comment
  RSA510026  Ceanothus crassifolius B. Pitzer, E. Misquez 1988-2-28 619 Riverside 2 mi s of Rancho California Road (sw of Murrieta, Walker Basin, Avenida del Oro); Walker Basin, Avenida del Oro. Comment
  SBBG105030  Ceanothus crassifolius var. crassifolius S. Boyd with T. Ross 1993-3-23 Riverside Palomar Range S of Vail Lake, N base of Agua Tibia Mtn, along trail extending S from end of Woodchuck Rd Comment
  POM84582  Ceanothus greggii var. perplexans S. B. Parish 1908-06 6966 Riverside Eden Hot Springs Comment
  UC18386  Ceanothus greggii var. perplexans H. M. Hall May 26-29 1899 Riverside from Kenworthy to Oak Grove; Smith Mountain and San Jacinto Mountains Comment
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Nov 13 2006
  POM254861  Ceanothus integerrimus W. Pequegnat 1940-7-1 s.n. Riverside Santiago Peak. 1735 Comment
  CAS-BOT-BC51278  Ceanothus leucodermis Peter H. Raven 1959-5-17 14230 Riverside Lake Fulmor, San Jacinto Mountains Comment
  POM282968  Ceanothus leucodermis E. W. Lathrop 1966-3-20 6072 Riverside Summit Temecula. Comment
  UC1292595  Ceanothus leucodermis C. L. Hitchcock, C. V. Muhlick 1964-3-17 23109 Riverside on road to Elsinore 10 mi n Pala; n of Pala Comment
  SEINET11191779  Ceanothus leucodermis D. Atwood 1993-3-26 17680 Riverside Sanat Ana Mountains, 4.8 miles S of Lake Elsinore along Hwy. 74. 808 Comment
  SD137647  Ceanothus oliganthus var. orcuttii Darin L. Banks 1995-3-16 99 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope ofAgua Tibia Mtn., E of the Dripping Springs alcove, Arroyo Seco drainage. 548 Comment
  RSA570552  Ceanothus ophiochilus Steve Boyd, Chris Frazier 1993-4-24 8011 Riverside Palomar Range south of Vail lake at north base of Agua Tibia Mountain, Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extendng south from end of Woodchuck Road 1000 Comment
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Aug 8 2008
  RSA606750  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27408 Riverside In on N side of Agua Tibia Range, 2-3 km S of Agua Tibia Wilderness boundary gate on trail extending ca. 100 m S of enclosed reservoir on ridge SE of Woodchuck Resort at end of Woodchuck Rd., S of Hwy 79. 1000 Comment
  CAS-BOT-BC51922  Ceanothus perplexans R. F. Hoover 1969-4-13 11227 Riverside Pinyon Flat, San Jacinto Mts. Comment
  RSA524608  Ceanothus tomentosus subsp. olivaceus Steve Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3931 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  UC1100197  Cenchrus longispinus Malcolm A. Nobs and S. Galen Smith 1948-9-3 493 Riverside 2 mi n Indio; Imperial Valley Comment
  CDA7297  Centaurea X pouzinii T. C. Fuller 1962-6-6 8846 Riverside South entrance to Fuller Rancho, ca. 5 miles north of Corona. 0 Comment
  RSA644299  Centaurea solstitialis Scott D. White 1995-7-13 3473 Riverside NE Santa Ana Mtn foothills. Alluvial fan below [unnamed] canyon. +/- 1/4 mi SW of Grand Ave. (City of Lake Elsinore), directly downslope from hairpin turn on SH 74. 488 Comment
  JEPS106968  Centromadia pungens subsp. laevis Jasmine Watts 2005-7-19 19 Riverside Hemet, S of CA-74 and W of Warren Road Comment
  SD227752  Centromadia pungens subsp. laevis A. C. Sanders, K. C. Rose 1999-6-18 22813 Riverside Skinner / Domenigoni area: French Valley, E side of Washington Ave., near Rawson Rd. 451 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
  SD126658  Centromadia pungens subsp. pungens Ed LaRue 1989-4-21 Riverside Moreno Valley, ca. 1 mile south of Highway 60 on Nason Street. Comment
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Mar 31 2011
  UCR169318B  Cerastium glomeratum T. B. Salvato, John F. Green 2004-5-27 617 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
  CLARK-A1656-871  Cercidium floridum Jim Cornett 1977-7-2 Riverside Desert Hot Springs 441 Comment
  UC1128901  Cercidium floridum subsp. floridum H. S. Yates 1936-4-8 5453 Riverside near Fish Springs; Thermal Quadrangle 60 Comment
  UC168859  Cercidium floridum subsp. floridum Geo. B. Grant May 1 1906-May 10 1906 910 -6723 Riverside Palm Springs Colorado Desert Comment
  UCR18833  Cercocarpus betuloides John C. Roos 1948-5-15 3854 Riverside Sonoran (Colorado) Desert, Eagle Mountains, upper Lost Palms Canyon 1037 Comment
  SDSU12979  Cercocarpus minutiflorus Michael G. Simpson 1999-10-27 2035 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  SD245306  Cereus A. C. Sanders 2010-5-31 38433 Riverside Riverside, yard at 5081 Magnolia Ave., at corner of Chapman Place. Large Victorian residence. 257 Comment
  CAS-BOT-BC279534  Chaenactis artemisiifolia Virginia Moran 2003-3-12 s.n. Riverside Peninsular Range: Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and W of Wilson Creek 915 Comment
  CAS-BOT-BC279536  Chaenactis artemisiifolia John Thomas Howell 1930-5-10 4810 Riverside 6 miles ne. of Aguanga Comment
  POM6069  Chaenactis artemisiifolia Jenkins, L. T. Street 1917-5-30 s.n. Riverside San Jacinto. Comment
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Nov 20 2011
  UCR135998  Chaenactis artemisiifolia Virginia Moran 2003-3-26 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
  CAS-BOT-BC276400  Chaenactis carphoclinia Alice Eastwood 1913-4-30 9032 Riverside Palm Springs Comment
  HSC5288  Chaenactis carphoclinia var. carphoclinia C. L. Hitchcock 1966-3-20 24314 Riverside 5 miles N of Milpitas Wash and 12 miles NW of Blythe-Glamis Rd. Comment
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Mar 2 2013
  JEPS30924  Chaenactis fremontii P. Stockwell 1940-4-24 1507 Riverside 1 mi e of Banning Comment
  POM351696  Chaenactis fremontii B. C. Templeton 1931-4-9 s.n. Riverside N of Palm Springs Comment
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May 12 2016
  RSA100836  Chaenactis fremontii Palmer Stockwell 1940-4-24 1507 Riverside 1 mile E of Banning. Comment
  UC1287049  Chaenactis fremontii C. L. Hitchcock 1966-3-16 24208 Riverside 4 mi s of Palm Desert (along Palms to Pines Hiway) 609 Comment
  UC894466  Chaenactis fremontii Milo S. Baker Apr 3 1928-Apr 4 1928 30186 Riverside about Palm Canon Palm Canon Comment
  UCR226863  Chaenactis fremontii Jim Andre 2011-2-9 15943 Riverside Sonoran (Colorado) Desert, Coachella Valley, along Varner Road between Desert Hot Springs and Palm Desert, 2 mi north of Hwy I-10 189 Comment
  UCR260837  Chaenactis fremontii A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41516 Riverside San Gorgonio Pass, 2.5 miles ESE of Cabazon, north of the San Gorgonio River wash on the alluvial slope east of the water bottling plant and Elm St. 463 Comment
  VVC703  Chaenactis fremontii P. J. MacKay, T. Thomas 1997-2-8 92 Riverside Colorado Desert, Palm Springs; vacant lot on Bogart Trail (street). 169 Comment
  UCR98706  Chaenactis glabriuscula var. glabriuscula 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
  UCR34890  Chaenactis parishii L. B. Ziegler 1967-7-5 173 Riverside San Jacinto Mtns., south slope of Thomas Mountain 1616 Comment
  CDA10731  Chaenactis stevioides G. D. Barbe, T. C. Fuller 1973-2-28 1065 Riverside South of I-10 at road to Wiley s Well, west of Blythe. 0 Comment
  RSA777813  Chaenactis stevioides Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 852 Riverside Chuckwalla Mountains, Chuckwalla Mountains Wilderness, off Corn Spring Road, main wash adjacent Corn Spring Road, draining from Corn and Aztec Springs up on Chuckwalla, flowing NNE 396 Comment
  SD232600  Chaenactis stevioides A. C. Sanders 1992-4-5 12161 Riverside Colorado Desert: Chuckwalla Vallley, near Wiley's Well rest area on I-10, along dirt road to McCoy Spring. 124 Comment
  UCR279498  Chaenactis stevioides A. C. Sanders, Jim Malusa 2017-3-25 43005 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  UCR90186  Chaenactis stevioides A. C. Sanders 1992-4-4 12148 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  JOTR35009  Chamaesyce micromera La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3111 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road, near Mission Well Comment
  RSA782276  Chamaesyce micromera R. W. Spjut 2007-10-12 16154 Riverside Sonoran Desert. BLM: Corn Spring Road, frontage road to I-10, 23 miles W of Blythe 150 Comment
  UC1292298  Chamaesyce micromera C. L. Hitchcock and C. V. Muhlick 1964-3-17 23080 Riverside 8 mi se Corona (along rd to Elsinore) Comment
  RSA432477A  Chamaesyce pediculifera M. B. Dunkle 1933-3-4 3040 Riverside Painted Canyon. Colorado Desert 30 Comment
  POM187804  Chamaesyce setiloba Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring. Comment
  RSA480015  Chamaesyce setiloba Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2140 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  SBBG32374  Chamaesyce setiloba L. S. Rose 1967-12-19 67178 Riverside La Quinta 15 Comment
  RSA388055  Cheilanthes clevelandii Steve Boyd, C. Boyd, B. Roy 1986-2-2 1201 Riverside Highway 79: At Riverside-San Diego County Line. Comment
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Jan 9 2013
  RSA674961A  Cheilanthes clevelandii Scott D. White, Teresa Salvato 2001-6-8 8590 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  UCR48427  Cheilanthes clevelandii Steve Boyd, C. Boyd, B. Roy 1986-2-2 1201 Riverside Peninsular Range, Hwy 79 at San Diego county line Comment
  CAS-BOT-BC66311  Cheilanthes clevelandii Steve Boyd; C. Boyd; B. Roy 1896-2-2 1201 Riverside Highway 79: At Riverside-San Diego County Line Comment
  RSA685789  Cheilanthes newberryi I. M. Johnston 1920-5-8 2265 Riverside Box Springs Grade Comment
  UCR97754  Cheilanthes newberryi A. C. Sanders 1997-3-1 19729 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
  POM9290  Cheilanthes newberryi P. A. Munz, Harwood 1920-3-20 3375 Riverside 5 miles S of Corona 305 Comment
  CAS-BOT-BC68053  Cheilanthes parryi S. B. Parish 1918-3-27 19191 Riverside Colorado Desert - Palm Springs, Tahquitz Canyon Comment
  POM292790  Cheilanthes parryi Lyman Benson 1949-3-28 13560 Riverside Santa Rosa Mountains. Pines to Palms Highway from Palm Springs to Hemet. 732 Comment
  UCSB38666  Cheilanthes parryi Cowan, Clark 1978-4-23 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon 570 Comment
  UCSB44681  Cheilanthes parryi Hibbard, Doug 1977-5-15 Riverside Up wash from Hwy 74, 8.45mi from its intersection with Hwy 111 679 Comment
  CAS-BOT-BC70382  Cheilanthes viscida J. G. Lemmon April - May 4 Riverside Downieville Buttes and bluffs of White Water River on the Colorado Desert Comment
  RSA85538  Cheilanthes viscida F. W. Peirson 1922-12-27 4295 Riverside On rough mountain slope between two forks of Andreas Canyon, near Palm Springs 609 Comment
  UCR225439  Chenopodium A. C. Sanders, T. B. Salvato 2011-3-29 38846 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
  RSA653504  Chenopodium album var. missouriense A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23683 Riverside Santa Ana River Valley: SW side of Mt. Rubidoux, NW of intersection of Tequesquite Ave. and Gregory Rd., near confluence of Arroyo Tequesquite and the river., 33 deg 58'30''N, 117 deg 24'10''W 232 Comment
  RSA0106273  Chenopodium ambrosioides Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  UCR115434  Chenopodium berlandieri Scott D. White 1994-6-23 2095 Riverside Temecula/Murrieta Region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  UCR21846  Chenopodium berlandieri var. zschackei 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
  CLARK-A1528-5562  Chenopodium botrys Alfred R. Roos 1947-8-15 Riverside Santa Ana River Comment
  HSC4382  Chenopodium californicum C. L. Hitchcock 1966-3-16 24192 Riverside About 5 mi. NE of Aguanga Comment
  SEINET238516  Chenopodium missouriense A. C. Sanders, Mitch Provance 2000-10-16 23721 Riverside Railroad right of way between Watkins Dr. and Campus View Dr. near site of Lemona siding. 335 Comment
  OBI17202  Chenopodium murale Tracey & Viola Call, Viola Call 1962-4-8 2122 Riverside Rancho rd, Corona 213 Comment
  UCR213388  Chenopodium murale A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37447 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
  RSA334988  Chenopodium murale Steve Boyd 1985-7-23 1012 Riverside De Luz Rd., 7.6 mi. west of Rancho California. 335 Comment
  RSA0012646  Chilopsis linearis April Garbat, Kristin Forgrave 2013-5-29 74 Riverside Along Box Canyon Rd from Cottonwood Springs Rd to Mecca. 305 Comment
  RSA751253  Chilopsis linearis A. C. Sanders 2008-7-25 35924 Riverside Gilman Springs Road, c. midway between Bridge St. and Lambs Canyon Rd., c. 5.6 mi. (air) ENE of Lakeview 473 Comment
  UCR193959  Chilopsis linearis A. C. Sanders 2008-7-25 35924 Riverside Interior South Coast; San Jacinto Valley, Gilman Springs Road, c. midway between Bridge St. and Lambs Canyon Rd., c. 5.6 mi. (air) ENE of Lakeview 473 Comment
  LA204147  Chilopsis linearis subsp. arcuata M. Zaitlin; 1951-5-26 sn Riverside Palm Springs Comment
  RSA487439  Chloracantha spinosa Don Pendleton 1988-5-17 s.n. Riverside ong canal near Hobson Way. 81 Comment
  RSA33519  Chorizanthe brevicornu var. brevicornu N. C. Cooper 1944-5-6 1168 Riverside Devils Garden Near Whitewater. 457 Comment
  UC1552040  Chorizanthe brevicornu var. brevicornu David Charlton 1988-2-19 1171 Riverside Box Cyn on road between Cottonwood Wash and Mecca (n of Mecca Hills, near Mecca); Orocopia Mountains, n of Mecca Hills 457 Comment
  UCSB47599  Chorizanthe leptotheca Roberts, Fred 1980-6-25 Riverside San Jacinto Mountains; near Hwy 371, 8km SW Anza Comment
  UCR199923  Chorizanthe parryi var. parryi Scott D. White, Justin Wood 2008-4-16 11885 Riverside Perris/Elsinore Basin, hills to the west of I-215 and south of Scott Rd. 549 Comment
  UCR154432  Chorizanthe polygonoides subsp. longispina A. C. Sanders, Mike Misenhelter 2005-6-15 30940 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
  UCR281262  Chorizanthe polygonoides var. longispina Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-14 417- 37 Riverside Peninsular Ranges, Sedco Hills (east end), along Beverly St. (especially the S side), between Green Meadow Way and Upton Dr. 537 Comment
  UCR217498  Chorizanthe procumbens Diane Menuz 2008-4-17 422 Riverside Peninsular Range: Santa Ana Mts., Santa Rosa Plateau, near intersection of Tormo Trail and Sylvan Meadows Road 553 Comment
  JOTR36451  Chorizanthe rigida La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3421 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  UC68685  Chorizanthe rigida H. M. Hall May 1905 5906 Riverside Chuckawalla Spr , Chuckawalla Spr (Colorado Desert) Comment
  RSA585878  Chorizanthe staticoides D. L. Banks, Peter Morrell 1995-5-4 312 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, N of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, SE of the Dripping Springs Campground., On Arkose hills at the N base of the metasedimentary hills N of Wildhorse Peak. 537 Comment
  RSA339659  Chorizanthe watsonii Robert F. Thorne, C. W. Tilforth 1980-5-28 54225 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  UCR209584  Chorizanthe xanti subsp. leucotheca Robert J. Steers, Matt Willis, Jodi Ross 2009-6-3 s.n. Riverside San Gorgonio Pass, near the town of Cabazon, between Pipeline Rd. and San Gorgonio River, south of I-10 and 0.46 mi. west of Agnes Ave. crossing of Blanche Ave. 552 Comment
  UCD103735  Chylismia brevipes William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  UC635388  Chylismia cardiophylla subsp. cardiophylla H. L. Mason 1928-3-10 4205 Riverside Hidden Springs Coachella Mountains Comment
  CAS-BOT-BC160611  Chylismia claviformis subsp. aurantiaca Ynez Whilton Winblad 1937-1-17 s.n. Riverside Box Canyon Comment
  UCR109601  Cirsium occidentale var. californicum R. D. Goeden, Don W. Ricker 1979-5-8 s.n. Riverside San Jacinto Mtns., Bautista Creek Canyon, Bautista Rd. at Horse Creek crossing 854 Comment
  UCR94947  Cirsium vulgare Scott D. White 1996-9-22 4537 Riverside Perris Basin, Perris: Nuevo Road near intersection with Wilson Ave., west of the San Jacinto River crossing. 436 Comment
  CAS-BOT-BC438854  Cistanthe monandra H. M. Hall 1904-5-16 4944 Riverside Vicinity of Riverside. Fairmount Park. 243 Comment
  CAS-BOT-BC438856  Cistanthe monandra Cecil Hart 1926-3-9 s.n. Riverside Between Whitewater & Indio Comment
  CAS-BOT-BC438864  Cistanthe monandra Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 4031 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Sta. 609 Comment
  POM182082  Cistanthe monandra P. A. Munz 1932-3-14 11978 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  RSA357788  Cistanthe monandra R. F. Thorne, M. Z. Thorne 1973-3-30 42685 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  RSA678282  Clarkia epilobioides Michael Wall 2003-4-26 305 Riverside South of Diamond Valley, Northeast of Skinner Reservoir, Rawson Canyon. Off Rawson Road, 2.7 miles from jct. with Washington Ave. off Winchester Rd. 564 Comment
  UCR107381  Clarkia epilobioides B. G. Pitzer 1997-3-23 2957 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  SD255797  Claytonia parviflora Adrienne D. Russell, Tahirch Liz, Matt Guilliams 2000-4-29 127 Riverside Santa Margarito Ecological Reserve, Temecula, insect trail, mapping project for plant taxonomy class. Comment
  RSA772845  Claytonia parviflora subsp. parviflora Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4845 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  UCR5923  Claytonia parviflora subsp. utahensis Sue Freeman 1966-4-30 s.n. Riverside San Jacinto Mtns., Above Fuller Mill Creek, 50 yards up stream from Banning-Idyllwild road 1616 Comment
  RSA586802  Claytonia parviflora subsp. viridis D. L. Banks, Steve Boyd 1995-5-3 0240 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
  RSA783234  Claytonia perfoliata J. D. Olmsted 1962-5-2 3470 Riverside 20 degree N slope along Banning-Idyllwild Road 1159 Comment
  RSA359868  Claytonia perfoliata subsp. mexicana Steve Boyd 1986-4-2 1613 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA386221  Clematis lasiantha Christopher Davidson 1977-5-18 5629 Riverside Santa Ana Mts, Cleveland National Forest, Bear Springs. 1220 Comment
  UCR154608  Clematis lasiantha A. C. Sanders, Mike Misenhelter 2005-6-15 31002 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
  RSA219223  Clematis ligusticifolia C. W. Tilforth 1970-10-16 319 Riverside Road to Santa Rosa Mountain Comment
  CLARK-A1528-3853  Clematis pauciflora John C. Roos 1943-8-8 2700 Riverside San Jacinto Mountains Comment
  RSA192055  Clematis pauciflora E. W. Lathrop 1959-4-1 4382 Riverside 18 mi SW of Elsinore and Tenaja Guard Station, Cleveland Natl Forest, Tenaja Cyn. Comment
  RSA747517  Clematis pauciflora Justin M. Wood 2009-3-10 343 Riverside Hwy 243, near base of the mountains, 0.5 miles up the highway from Smith Creek bridge. 695 Comment
  SEINET199116  Coldenia palmeri Francia Chisaki, J Ingram; H Arnott 1955-4-18 621 Riverside 5.7 miles northwest of Thousand Palms on Hwy 60 Comment
  JOTR30889  Coleogyne ramosissima La Doux, Tasha, E. Babich, N. Pietrasiak 2008-4-21 2094 Riverside Joshua Tree National Park. Little San Bernardino Mountains, north end of East Deception Canyon 1446 Comment
  RSA0117450  Collinsia concolor A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35594 Riverside Coldwater Creek watershed, along foot trail from May Valley Road toward mapped spring 1500 Comment
  RSA0117455  Collinsia concolor Duncan S. Bell, Joy D. England 2010-6-4 1259 Riverside San Bernardino National Forest: Garner Valley, approximately 3.2 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1430 Comment
  SEINET3079496 Image available Collinsia concolor Don Mitchell 1990-4-30 Riverside W side of Sage Road, ca. 1/2 mi. S of intersection with Wilson Valley Road. (Sage 7.5' USGS quad) 701 Comment
  RSA0117422  Collinsia concolor Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mountains, along Hwy 243, 1-2 mi. below Mt. Edna turnoff. Comment
  SEINET13394112  Collinsia heterophylla H. M. Hall 1903-1 3825 Riverside Vicinity of Riverside. 335 Comment
  RSA0117390  Collinsia parryi E. W. Lathrop 1969-5-8 7014 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  UC26634  Collinsia parviflora H. M. Hall May 20 1899-May 22 1899 1119 Riverside San Jacinto Mountains, Strawberry Valley Strawberry Valley; San Jacinto Mountains, Strawberry Valley 1615 Comment
  HSC28498  Colubrina californica Richard Spjut 1973-4-10 3296 Riverside Colorado Desert, N face of Chuckawalla Mtns., 3-4 mi. S of Desert Center 305 Comment
  SEINET3091117 Image available Convolvulus arvensis C. M. Flanagan 1971-5-25 Riverside East La Cadena Drive near Center Street, Highgrove. Comment
  SEINET998506  Convolvulus simulans John F. Green 2006-1 Riverside Peninsular Ranges: French Valley, unincorporated Riverside County, along Briggs Road between Porth Road and Los Alamos Road (Murrieta 7.5' Q) 402 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
  UCR172210  Convolvulus simulans John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County, along Briggs Road between Porth Road and Los Alamos Road 402 Comment
  CAS-BOT-BC286037  Conyza canadensis S. B. Parish 1912-10-12 8358 Riverside Salton Basin. Mecca -57 Comment
  RSA588812  Conyza canadensis D. L. Banks, Steve Boyd 1995-10-17 0765 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  SFV20151  Cordylanthus rigidus subsp. setigerus J. N. Hogue, S. G. Hogue, J. M. Wrublik 2005-9-4 261 .5 Riverside Santa Rosa Mountains Garnet Queen Creek at Santa Rosa Mountain Truck Trail (=USFS Road 7S02). 4.8 miles from Highway 74. 1865 Comment
  POM356006  Coreopsis californica Ora M. Clark 1929-2-23 1514 Riverside South of Cabazon Comment
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Mar 13 2011
  UCR29813  Coreopsis californica M. G. McLeod, D. J. Keil 1977-3-26 12010 Riverside Elsinore Basin, 8 mi. NW of Lake Elsinore State Recreation Area along Calif. Hwy 71 366 Comment
  SFV13133  Corethrogyne filaginifolia M. J. Thor 1982-9-16 118 Riverside San Jacinto Mountains Idyllwild Park. 1616 Comment
  SFV20152  Corethrogyne filaginifolia J. N. Hogue, S. G. Hogue, J. M. Wrublik 2005-9-4 261 .6 Riverside Santa Rosa Mountains Garnet Queen Creek at Santa Rosa Mountain Truck Trail (=USFS Road 7S02). 4.8 miles from Highway 74. 1865 Comment
  CAS-BOT-BC210460  Cornus sericea subsp. occidentalis Robert F. Thorne; J. P. Simon; C. W. Tilforth 1969-6-24 38153 Riverside San Bernardino National Forest, San Jacinto Mts.: Lake Fulmor 1676 Comment
  UCR127540  Coronopus didymus A. C. Sanders, T. B. Salvato 2003-5-21 26779 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
  POM278518  Coryphantha alversonii H. G. Rush 1950-5-6 117 Riverside 2.5 miles from Cottonwood springs on road out to Hwy 60-70. 579 Comment
  SD137898  Cotula australis Steve Boyd, Dain Banks 1995-4-5 8426 Riverside Palomar Range, Agua Tibia Wilderness Area, eastern edge of the Dripping Springs Alcove. 609 Comment
  SEINET2049832 Image available Cotula australis Frank Ambrey 1959-4-27 Riverside UCR, Under sink at north end of glassed portion of greenhouse 16 on UCR campus 335 Comment
  RSA618003  Crassula aquatica R. E. Riefner 1998-4-22 98 -295 Riverside Elsinore Trough between Willard and Murrieta Creek. Lake Elsinore. Comment
  CAS-BOT-BC427917  Crassula connata Steve Boyd 1986-4-2 1630 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park 640 Comment
  RSA560370  Crassula connata Steve Boyd 1992-4-14 6812 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of Oak Flats area along Bluewater Tributary from Verdugo Tributary S to crest of ridge W side Bluewater Canyon. 732 Comment
  RSA681896  Crassula connata Scott D. White 2001-3-13 8164 Riverside Perris / Elsinore Basin: Menifee / Sun City area. Valleys and slopes east of Canyon Lake and west of Goetz Rd. 442 Comment
  SBBG120133  Crassula connata A. C. Sanders with K. Volansky 2005-3-17 29202 Riverside French Valley, SE of Winchester Rd (Hwy 79) between Thompson Rd and Benton Rd, ca. 0.5 mi NE of Adobe Spring, near San Diego Aqueduct 412 Comment
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Mar 20 2011
  UCR228931  Crassula connata A. C. Sanders 2011-4-7 39025 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, between Horsethief Canyon and Glen Eden, along I-15 Frontage Rd., SE of Lee Lake 381 Comment
  RSA653588  Cressa truxillensis A. C. Sanders, D. E. Bramlet, Mihai Costea, T. Salvato 1999-10-15 23182 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1 mile W of Jackrabbit Trail on Gilman Springs Rd., 0.4 mi. W of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Spr. [UTM 10km cell]. 436 Comment
  GMDRC2042  Crossosoma bigelovii J. Andre 2006-4-26 6756 Riverside Little San Bernardino Mountains: Joshua Tree National Park: Long Canyon, approx. 2.3 mi. S. of NE corner (boundary) of park Near 34.06072 deg. N 116.44711 deg. 43681' W. Elev. 3463 ft. 1056 Comment
  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
  UC1922002  Croton californicus Scott D. White, Angelia Carey 2004-5-7 10312 Riverside San Jacinto Mountain Foothills: Indian Creek and adjacent foothills. Comment
  UCR109479  Croton californicus A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke 1996-11-23 19651 Riverside San Bernardino Mtns., Whitewater Canyon, just below the fish hatchery 648 Comment
  UCR131532  Croton californicus Jennie Phui 1998-5-30 021 Riverside San Bernardino Mtns./San Gorgonio Pass, Morongo Indian Reservation, mouth of Lion Canyon, 0.5-2 miles up Lion Canyon road north of I-10 Fwy 549 Comment
  CAS-BOT-BC202497  Croton wigginsii Winfield 1975-4-27 2444 Riverside Snow Ck Rd ~3 mi from Hiway 111 Comment
  UCR162543  Cryptantha John F. Green 2005-4-29 s.n. Riverside Upper Santa Ana River Basin, eastern end of the Jurupa Mountains, Rubidoux area, immediately south of the county line, east of Armstrong Road 335 Comment
  UCR193734  Cryptantha A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35651 Riverside Peninsular Range; San Jacinto Mtns., May Valley, slopes west of Herkey Creek and north of Bonita Vista Rd., SSW of Fleming Ranch 1524 Comment
  UCR273085  Cryptantha Tim Searl 2016-5-27 s.n. Riverside Badlands, 1.1 miles southeast of Redlands Blvd./San Timoteo Canyon intersection 561 Comment
  OBI75953  Cryptantha angustifolia James M. Andre 2011-2-9 156945 Riverside Coachella Valley; along Varner Rd between Desert Hot Springs and Palm Desert; 2 mi N of I-10 189 Comment
  POM368208  Cryptantha angustifolia F. R. Fosberg 1932-3-13 10626 Riverside Thousand Palm Canyon, Coachella Valley Comment
  RSA21762  Cryptantha angustifolia C. B. Wolf 1937-4-6 8434 Riverside Coachella Valley, 3 miles N of Indio. 0 Comment
  RSA791601  Cryptantha angustifolia D. Silverman 2010-3-23 7820 Riverside Chuckawalla Valley, dunes at SSE tip of Palen Lake, 1.7 km SW of Palen Dunes Dr., 3.3 km N of I-10 and 8 km ESE of Sidewinder Well. 128 Comment
  SBBG63615  Cryptantha angustifolia M. N. Ackley -Feb-1926 33 Riverside near Edom 64 Comment
  UC1539722  Cryptantha angustifolia Chas. B. Fiker 1946-4-17 3417 Riverside w side Colorado Desert Comment
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Mar 23 2014
  UCR214415  Cryptantha angustifolia A. C. Sanders, Richard Dwerlkotte 2010-3-22 37503 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 2 mi. SE of Sidewinder Well, south of Palen Dry Lake, SW of Palen Mtns. 142 Comment
  UCR89569  Cryptantha angustifolia George K. Helmkamp 1994-3-10 42 11 Riverside Sonoran (Colorado) Desert, Indio Hills, canyon opening into Coachella Valley, 2 miles east of Thousand Palms on Ramon Road, and 1.3 miles north 122 Comment
  SEINET10455841  Cryptantha angustifolia David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2900 Riverside Pushawalla Canyon Biota. Indio Hills. In wash. Comment
  JEPS67489  Cryptantha barbigera Marjorie D. Clary 1932-5-25 1167 Riverside n of Indio; Colorado Desert, Little San Bernardino Mts., Berdoo Canyon 609 Comment
  RSA796091  Cryptantha barbigera Duncan S. Bell 2009-4-20 311 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  SBBG53362  Cryptantha barbigera J. Zabriskie 1975-3-26 Riverside Boyd Deep Cyn Research Center Comment
  UC1546670  Cryptantha barbigera Barry A. Prigge 1988-2-21 7849 Riverside 2 mi w Clemens Well; Colorado Desert, Orocopia Mountains 228 Comment
  UCR86212  Cryptantha barbigera A. C. Sanders 1995-5-23 17114 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fans below the Santa Rosa Mountains, north of Toro Canyon., west of Monroe St., and south of Avenue 62 91 Comment
  SEINET10455558  Cryptantha barbigera David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3722 Riverside Borage. Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  UCR279331  Cryptantha barbigera var. barbigera A. C. Sanders, Jim Malusa 2017-3-23 42912 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 2.3 miles east of Iris Pass 787 Comment
  UCR18170  Cryptantha barbigera var. fergusoniae A. C. Sanders 1978-4-2 00179 Riverside Sonoran (Colorado) Desert, Coachella Valley, Deep Canyon Reserve - south of Palm Desert. Alluvial fan near the Boyd Research Center 366 Comment
  UCR234811  Cryptantha barbigera var. fergusoniae Jim Andre, Glenn L. Clifton 2011-2-22 17476 Riverside Coachella Valley, North Palm Springs c. 0.3 mi north of Hwy 111, at corner of San Rafael and Virginia Street 189 Comment
  JOTR29362  Cryptantha circumscissa La Doux, Tasha, Bill Truesdell, Naomi Fraga 2006-4-26 1439 Riverside Joshua Tree National Park. Long Canyon; Stop 1, south end of Long Canyon, near Park boundary 547 Comment
  UCR60441  Cryptantha circumscissa R. F. Thorne, M. Z. Thorne 1973-3-30 42667 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
  UCR132647  Cryptantha corollata D. C. Hawks 1988-4-2 s.n. Riverside Peninsular Range, Tule Creek drainage, 1.75 mi. (airline) NE of Aguanga, SE of intersection of Dove Dr. and Sycamore Falls, south of Hwy 371, between Aguanga and Anza 945 Comment
  UC100863  Cryptantha costata H. M. Hall 1905-5-1 5974 Riverside Hodges Mts. Colorado Desert Comment
  UCR127960  Cryptantha decipiens A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16139 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  POM368284  Cryptantha intermedia H. de Forest, Jack Rempel 1933-6-25 18014 Riverside Along road to Banning, San Jacinto Mts 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
  SDSU12860  Cryptantha intermedia Janet M. Knotts, Jill Steinberg and Kevin Contreras 1998-3-25 25 III1998L Riverside Road to southwest of SDSU Santa Margarita Fiedl Station, ca. 800 feet southwest on road to switchback, east side of road. 293 Comment
  SDSU13533  Cryptantha intermedia W. Miller with C. Mosse 1972-7-5 Riverside Comment
  SEINET7063222  Cryptantha intermedia A. G. Vestal 1963-5-19 s.n. Riverside About 0.5 mile west of Cahuilla. UTM Zone 11, 522925mE, 3711215mN. (WGS84/NAD83). 1088 Comment
  UCR152529  Cryptantha intermedia A. C. Sanders 2005-4-22 29596 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR188670  Cryptantha intermedia Amanda Lovelady, Tina Hofmann 2007-5-20 30 Riverside Peninsular Range; Santa Ana (Elsinore) Mtns., c. 4 miles SW of city of Lake Elsinore, Cleveland National Forest, Morgan Trailhead at Main Divide Truck Trail, and surrounding area, between heads of Morrell and Decker Canyons 854 Comment
  UCR92205  Cryptantha intermedia D. L. Banks, Steve Boyd 1995-5-3 0247 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
  SDSU20587  Cryptantha intermedia var. intermedia Ronald B. Kelley 2005-3-23 669 Riverside Idaleona Road, 0.75 miles E. of Gavilan Road, along roadside. 620 Comment
  RSA0014315  Cryptantha maritima Justin M. Wood, J. Miner 2010-4-30 1549 Riverside Coachella Valley: Thousand Palms, just E of intersection of Ramon Rd. and Vista de Oro, just NE of Edison substation. 61 Comment
  RSA617205  Cryptantha maritima L. C. Wheeler 1953-3-31 7038 -b Riverside North slope at foot of limestone face which concentrated water by its runoff. Comment
  UCR102705  Cryptantha maritima B. G. Pitzer 1998-1-24 3383 .2 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  UCR130117  Cryptantha maritima Scott D. White 2001-4-3 8274 Riverside Sonoran (Colorado) Desert, Shavers Valley, near the I-10 Freeway, c. 15 miles east of Indio junction of I-10 and Calif. SR 111, adjacent to powerline access roads at unnamed freeway exit accessing pump station 473 Comment
  RSA0107473  Cryptantha micrantha Duncan S. Bell, Amanda Turek 2009-3-29 151 Riverside Collecting in the large western drainage of the Arica Mountains, within the Palen/McCoy wilderness area. 434 Comment
  RSA499647  Cryptantha micrantha B. C. Templeton, I. W. Clokey 1930-4-9 1073 Riverside North of Palm Springs. Colorado desert 400 Comment
  UC24831  Cryptantha micrantha H. M. Hall 1901-7 2487 Riverside shores of Lake Surprise San Jacinto Mountains, Lake Surprise 2499 Comment
  RSA650981  Cryptantha microstachys Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. 609 Comment
  RSA674709  Cryptantha microstachys Scott D. White 2000-5-1 7742 Riverside Corona: Western foothills of Santa Ana Mountains near Bedford Canyon. 351 Comment
  UC217963  Cryptantha microstachys P. A. Munz and I. M. Johnston 1922-5-19 5346 Riverside 5 mi ne Murietta 457 Comment
  UCR16163  Cryptantha microstachys I. G. Rauch 1968-5-14 s.n. Riverside Santa Ana Mtns, Tin Mine Canyon Comment
  UCR48382  Cryptantha microstachys Steve Boyd 1986-5-7 1832 Riverside Temescal Canyon, Alberhill Mountain: lower slopes of S flank just east of clay mine area 427 Comment
  RSA0094688  Cryptantha microstachys Steve Boyd, D. Bramlet, Timothy S. Ross 1993-5-12 7341 Riverside Southern Santa Ana Mountains, Sant Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon. 365 Comment
  UCR193488  Cryptantha muricata A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35607 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mile SW of Fleming Ranch, along dirt track 1555 Comment
  UCR68609  Cryptantha muricata Steve Boyd, D. E. Bramlet 1990-4-29 4477 Riverside Peninsular Range, Lake Skinner County Park, S flank of Bachelor Mtn. Comment
  SD4237  Cryptantha muricata var. jonesii Fidella G. Woodcock 1928-4-27 Riverside San Jacinto Mountain: Idyllwild Comment
  RSA0107457  Cryptantha nevadensis Duncan S. Bell, Amanda Turek 2010-4-9 783 Riverside East side of the Arica Mountains, near the center of the range; approx. 1.75 air mile west of Priest Well. 485 Comment
  JOTR34074  Cryptantha utahensis La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2970 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon on edge of 2009 burn area, north of Lost Horse Mine trail Comment
  UCR39238  Cryptantha utahensis M. L. Rosczyk, G. K. Helmkamp 1985-4-4 213 Riverside Little San Bernardino Mtns/ Sonoran (Colorado) Desert, The Nature Conservancy's Big Morongo Preserve, south of Morongo Valley. Main canyon, one-half mi. below the BLM gate 518 Comment
  RSA394340  Cucurbita palmata L. C. Wheeler 1933-12-1 2286 Riverside 2 miles E Cabazon, San Gorgonio Pass 640 Comment
  UC28915  Cucurbita palmata H. M. Hall 1901-8-6 2654 Riverside vicinity of Riverside 457 Comment
  CDA39932  Cuscuta campestris E. H. Asher 1958-6-9 510 -58 Riverside Indio. 0 Comment
  SBBG38007  Cuscuta denticulata A. C. Sanders with G. Nuhn 1995-4-20 16587 Riverside near Fan Hill, NE of Dillon Rd on an abandoned rd, below Little San Bernardino Mtns, NE of 1000 Palms 350 Comment
  POM48532  Cuscuta salina P. A. Munz 1924-6-21 8202 Riverside On Cressa, alkaline dry flats, Lake Elsinore. 372 Comment
  RSA409772  Cuscuta salina F. W. Peirson 1924-6-21 s.n. Riverside South of Elsinore Comment
  SD262267  Cuscuta salina Mitch Provance, John Hazlett 2017-4-27 417 25 Riverside Elsinore Trough: Baker St., 0.05 - 0.15 miles SE of Pierce St. A short distance along the northeastward SCE transmission route. 384 Comment
  UCR151122  Cuscuta subinclusa Scott D. White 1998-10-13 7182 Riverside Peninsular Ranges/Santa Ana Mtns region, Corona, near Bedford Canyon; ''Joseph Canyon'' wash near a disused quarry. Site adjacent to housing tracts now under construction and proposed for same 366 Comment
  SEINET4604367 Image available Cylindropuntia bigelovii Marc A. Baker, Michelle Cloud-Hughes 2013-4-15 17729 Riverside Chuckwalla Mountains, Corn Springs Wash, 5km west of Aztec Well, 74km east of Indio 760 Comment
  SEINET9037432 Image available Cylindropuntia ganderi var. ganderi M. A. Baker 2015-1 18385 .2 Riverside San Jacinto Mountains, 25km SSE of central Palm Springs, 800m WSW of Sugarloaf Mountain 1236 Comment
  LA204499  Cylindropuntia munzii A. C. Sanders; et. al. 1986-3-2 6147 Riverside Arroyo Seco, along Bradshaw Rd. 5.2 mi. W of Graham Pass Rd., S side of the Chuckwalla Mountains Comment
  RSA0107281  Cylindropuntia ramosissima Marc A. Baker, Michelle Cloud-Hughes, Glenn Rink, Dina Robertson, Neal Kramer 2011-5-1 17303 Riverside 57 km WSW of Blythe, 4.2 km NE of Chuckwalla Spring, bajada on north side of east end of Chuckwalla Mountains, 6 km NW of Graham Pass. 403 Comment
  SEINET3071826  Cylindropuntia ramosissima Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17508 Riverside Pilot Mountain quadrangle, zone 11 0655330mE 3721650mN NAD83, Corn Springs, north side of Chuckwalla Mountains, 12km SSE of Desert Center, 85km east of Indio 498 Comment
  UC1931672  Cynanchum louiseae A. C. Sanders 1985-9-5 5951 Riverside UC Riverside Botanic Garden Comment
  UCR230771  Cynanchum utahense A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37499 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  RSA650405  Cynodon dactylon W. H. Grady 1948-5-2 s.n. Riverside in Riverside. 259 Comment
  UCR92187  Cynodon dactylon D. L. Banks, Steve Boyd 1995-5-3 279 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
  UCR77691  Cyperus acuminatus Steve Boyd, T. S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6334 Riverside Peninsular Range, Skunk Hollow area, 2 mi east of Murrieta Hot Springs, just west of Second San Diego Aquaduct Comment
  RSA770779  Cyperus eragrostis Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4617 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR77594  Cyperus eragrostis Steve Boyd 1991-7-13 6408 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
  POM10323  Cyperus esculentus Anonymous s.n. Riverside Below West Riverside bridge. Comment
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Mar 15 2014
  RSA0106810  Cyperus involucratus Mitch Provance 2012-11-9 612 -52 Riverside San Bernardino Valley: Box Springs Canyon, SW base of the Box Springs Mountains, E side of Interstate 215, 0.25 mi SE of the intersection of Gernert Rd. and Watkins Dr. 422 Comment
  POM158185  Cyperus odoratus I. M. Johnston 1928-9-6 11270 Riverside Santa Ana River, Ontario - Corona road. Comment
  POM10287  Cyperus parishii Charlotte M. Wilder 1905-06 615 Riverside Wilder s [near Riverside] Comment
  UCR89437  Cyperus retrorsus Steve Morgan 1994-9-13 s.n. Riverside Riverside, UCR campus in the Botanic Garden. Along the trail in the chaparral section just west of (below) the lath house Comment
  UC218663  Cystopteris fragilis P. A. Munz 1922-7-6 5988 Riverside Tahquitz Valley; San Jacinto Mts 2194 Comment
  RSA598033  Dactylis glomerata F. M. Reed 1933-5-15 s.n. Riverside Riverside. 290 Comment
  SEINET10811894  Dalea J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12865 Riverside South of Joshua Tree National Park and north of the Salton Sea, on unlabelled east-west road (called 66th Avenue in Mecca) between I-10 and Mecca. Comment
  CSUSB1204  Dalea californica Frank C. Vasek 1958-6-13 Riverside Lower end of Bautista Canyon Comment
  CLARK-A1528-468  Dalea emoryi Shirley Hill 1963-3-13 630313-3 Riverside Palm Springs Comment
  UC1563095  Dalea mollis Steve Boyd and Orlando Mistretta 1986-3-13 1428 Riverside n.e. Desert Center (juction of Parker Dam Rd. and 'Palen Rd' (rd. going through pass between Palen and Granite Ranges)); Palen Mts. 243 Comment
  RSA457792  Dalea mollissima Steve Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2196 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA613784  Dalea mollissima George K. Helmkamp, E. A. Helmkamp 1998-2-18 2741 Riverside Chuckwalla Mts., 10.6 mi SSW of Chuckwalla Valley Rd. on Graham Pass Rd. 488 Comment
  SEINET10486082  Dalea schottii David B. Dunn 1946-3-15 Dunn 2025 Riverside Collected on dry plateau in vicinity of pushawalla canyon, indio hills. Sparse Desert scrub of larrea and franseria, with palms at the springs in the canyon. Comment
  UCD65756  Dasyochloa pulchella A. A. Beetle 1942-4-23 3186 Riverside Rt. 95, 9 miles north of Blythe. Comment
  UCD65767  Dasyochloa pulchella H. Clemons 1952-1-1 Riverside Idyllwild. Comment
  CSUSB774  Datura meteloides Wayne White 1975-5-17 Riverside Chuckwalla Mountains On Red Cloud Road, off Highway I-10, Chuckwalla Mountains. Colorado Desert. 484 Comment
  RSA512137  Datura wrightii Ed LaRue 1989-4-20 s.n. Riverside Moreo Valley, old Riverside International Raceway, on Day Street, ca. 1/2 mi. S. of Hwy 60. Comment
  RSA770445  Datura wrightii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4555 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SEINET7048151  Datura wrightii Steven R. Hill 2001-5-3 33652 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  UCR158945  Daucus pusillus Scott D. White 1994-6-21 2084 Riverside Temecula/Murrieta Region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  UCR213526  Daucus pusillus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38361 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
  POM360342  Deinandra fasciculata J. D. Olmsted 1962-5-10 3609 Riverside Lake Matthews Road ca. 0.5 mile W of dam. 427 Comment
  UC480887  Deinandra fasciculata S. B. Parish 1916-7-8 10773 Riverside pass road to Riverside Comment
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Apr 16 2011
  RSA703537  Deinandra kelloggii R. E. Riefner Jr. 2004-4-27 04 -145 Riverside Morreno Valley, south of Allesandro St. near Merwin St. and Kimber Ave. 354 Comment
  UC2030098  Deinandra kelloggii Scott D. White 2000-10-24 8143 Riverside SOUTH OF HEMET: Gibbel Flat: in the Santa Rosa Hills. Comment
  UCR151203  Deinandra mohavensis Scott D. White 2000-10-20 8136 Riverside Peninsular Ranges; Perris-Aguanga Basin region, South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills 671 Comment
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Jan 8 2013
  RSA737326  Deinandra paniculata Justin M. Wood 2008-9-22 166 Riverside SW Perris Basin; Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  SD181703  Deinandra paniculata Scott D. White 2001-6-20 8596 Riverside Just east of Goetz Road and south of Ethanac Road, ca. 1.5-2.0 miles west of I-215 Freeway. 441 Comment
  SD234298  Deinandra paniculata R. E. Jr. Riefner 2006-9-19 06 444 Riverside Temecula Valley, c. 0.2 mi. west of I-15 Freeway along Temecula Creek, head of Santa Margarita River. 301 Comment
  UCR282152  Deinandra paniculata R. E. Riefner Jr. 2017-5-17 17- 255 Riverside city of Elsinore, west of Hwy I-15, north side of Nichols Road, about mid-way between Collier Ave. and Nichols Road/Pierce Street junction 392 Comment
  SD232314  Delphinium parishii Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10473 Riverside Peninsular Ranges, San Jacinto Mountains/Colorado Desert: East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Staiton. Comment
  UC912669  Delphinium parishii subsp. parishii Curtis Ferris 1932-3-23 87 Riverside Palm Springs Comment
  CAS-BOT-BC82950  Dendromecon rigida A. M. White 1974-6-5 1362 Riverside Indian Road ca. 15 miles west Sun City. 1219 Comment
  UC410724  Dendromecon rigida Mrs. E. C. Van Dyke 1928-5-28 Riverside Banning Comment
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Mar 13 2011
  CAS-BOT-BC198174  Deschampsia danthonioides John Thomas Howell 1930-5-10 4776 A Riverside Marsh Field Comment
  CAS-BOT-BC227229  Deschampsia danthonioides D. E. Bramlet 1991-5-7 2120 Riverside Peninsular Range; Perris-Aguanga Basin Region: San Jacinto Valley, 8.2 km SW of Hemet, just NE of jct. of California Ave. & Marvin Hull Road, c. 50-150 m north of the AT&SF railroad tracks & 300 m west of MWD canal 500 Comment
  UCR252644  Deschampsia danthonioides T. B. Salvato, John Lovio 2013-3-19 7372 Riverside Perris-Aguanga Basin, Paloma Valley, vacant lot at northeast corner of intersection of Scott Road and Menifee Road 455 Comment
  RSA0126637  Descurainia pinnata subsp. intermedia Duncan S. Bell 2016-3-4 8800 Riverside Orocopia Mountains; northwestern corner of range; collecting in the Orocopia Mountains Wilderness area in an unnamed canyon approximately 3.75 air miles northwest of the summit of the range. 738 Comment
  RSA433554  Dicentra chrysantha Gale Sphon 1959-5-2 318 Riverside Horsethief Canyon, Elsinore Mountains. Comment
  UC501622  Dicentra chrysantha Frank W. Peirson 1924-7-29 5025 Riverside Banning-Idyllwild Road; San Jacinto Mts. 1767 Comment
  POM307774  Dichelostemma capitatum subsp. capitatum Henry J. Ramsey, Henry J. Ramsey 1938-3-26 2557 Riverside Corona-Elsinore Road. Comment
  RSA500991  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3110 Riverside Vail Lake area, dried bed of man-made pond and adjacent slopes at N base of rounded knob 1.25 miles WSW of dam. 610 Comment
  CAS-BOT-BC292192  Dicoria canescens Alice Eastwood 1913-4-30 3110 Riverside Palm Springs Comment
  CAS-BOT-BC292201  Dicoria canescens S. B. Parish 1912-10-8 8366 Riverside Salton Basin. Indio -6 Comment
  RSA339628  Dicoria canescens R. F. Thorne 1980-5-28 54158 Riverside San Bernardino Mountains, dry, Colorado Desert slopes, S-facing and W-facing, N-S rocky ridge at E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 miles E of Whitewater Post Office. Comment
  UC410767  Dicoria canescens Mrs. John C. Augsbury 1929-2-1 Riverside Indio Comment
  SBBG55739  Diplacus X australis D. Keil, M. McLeod 1977-3-26 12024 Riverside 0.7 mi W of jct with Riverside Co Rd, R-3, to Hemet, along Hwy 79 548 Comment
  CAS-BOT-BC150925  Diplacus bigelovii var. bigelovii Ynez Whilton Winblad 1937-3-22 s.n. Riverside East slope of Chocolate Mts. Comment
  CAS-BOT-BC150939  Diplacus bigelovii var. bigelovii H. Dearing; M. Dearing 1937-5-10 s 1638 Riverside Near Hayfields, Colorado Desert 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
  CAS-BOT-BC195677  Distichlis spicata Frank W. Peirson 1922-4-29 4541 Riverside South of Lake Elsinore Comment
  UC2062534  Distichlis spicata subsp. spicata Hester L. Bell 2002-3-9 257 Riverside Northern Sonoran Desert. Willis Oasis (Thousand Palms) 5.5 mi east of I-10. Comment
  RSA781655  Ditaxis claryana Duncan S. Bell 2009-3-8 76 Riverside Arica Mountains: northwest section of mountain range approximately 3.2 air miles northwest of Priest Well, or approximately 6 air miles southwest of the ghost town of Rice. 476 Comment
  RSA644217  Ditaxis lanceolata V. W. Steinmann, P. I. Moscosa, T. S. Ross 1998-4-14 1366 Riverside Orocopia Mountains, 1.5 km southwest of the Hayfield exit of I-10. Along a small wash on north-facing slope. 182 Comment
  UC17546  Ditaxis lanceolata S. B. Parish Apr 4 1896-Apr 13 1896 4141 Riverside (Agua Caliente) Palm Springs (base of San Jacinto Mt); base of San Jacinto Mt., , (Agua Caliente) 152 Comment
  SEINET6627585  Ditaxis neomexicana Scott D. White 2001-4-12 8311 Riverside Sonoran (Colorado) Desert; Shavers Valley, north of the I-10 Freeway, c. 15 miles east of Indio junction of I-10 and Calif. 111, adjacent to powerline access roads at unnamed freeway exit accessing pump station 320 Comment
  SEINET7997049  Ditaxis neomexicana Scott D. White 2006-3-14 11255 Riverside Coachella Valley, Eern Coachella Valley N of the 1-10 freeway a few mi E of Indio 152 Comment
  UCR103594  Ditaxis neomexicana George K. Helmkamp, E. A. Helmkamp 1998-2-18 2702 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  UCR41751  Ditaxis neomexicana A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6046 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, west side of the Chuckwalla Mtns., 6 mi. south of Hwy I-10 on gasline road; 1/2 mi. NW of Model Mine 520 Comment
  CAS-BOT-BC43590  Dithyrea californica S. B. Parish; W. F. Parish 1892-4-1 s.n. Riverside Borders of the Colorado Desert. Whitewater. Comment
  CAS-BOT-BC43633  Dithyrea californica L. R. Abrams 1926-3-26 11088 Riverside Indian Wells to Indio. Comment
  HSC6728  Dithyrea californica R. A. Eagle 1964-3-28 27 Riverside 1 mi. this side of Palm Springs Comment
  POM305626  Dithyrea californica Henry J. Ramsey, Henry J. Ramsey 1937-2-26 873 Riverside Whitewater. Comment
  RSA342000  Dithyrea californica R. F. Thorne 1980-4-16 54116 Riverside Along Whitewater River, E of bridge and levee Comment
  RSA66544  Dithyrea californica F. W. Peirson 1920-2-14 4178 Riverside Whitewater Station, Colorado Desert Comment
  RSA780571  Dithyrea californica Stephanie Rockwood, Christi Gabriel 2011-11-7 196 Riverside Rice Valley. Highway 62 to Blythe/Rice Road. About 1 mile from highway. 229 Comment
  UC724130  Dithyrea californica Aven and Ruth Nelson 1939-3-28 3303 Riverside s of Mecca Comment
  POM193556  Dodecahema leptoceras C. C. Parry, J. Lemmon 1876-1 367 Riverside Whitewater. Comment
  SBBG58452  Dodecatheon alpinum M. Lewis 1947-8-26 8 Riverside Wellman's Cienega SE slope San Jacinto Mtns Comment
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Feb 18 2013
  JEPS103619  Downingia cuspidata Lisa Schultheis 1995-5-9 144 -95 Riverside Santa Rosa Plateau Preserve Comment
  CAS-BOT-BC41634  Draba corrugata var. saxosa Philip A. Munz 1922-7-7 6043 Riverside San Jacinto Mountains. Summit of San Jacinto Peak. 3285 Comment
  UC856110  Draba corrugata var. saxosa P. A. Munz 1922-7-7 6043 Riverside summit San Jacinto Peak San Jacinto Mts., summit San Jacinto Peak 3285 Comment
  RSA614301  Draba cuneifolia D. L. Banks, Victor Steinmann 1997-3-13 1507 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  RSA709974  Draba cuneifolia Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4592 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  POM259184  Draba saxosa P. A. Munz 1938-8-14 15391 Riverside East of Toro Peak, Santa Rosa mts. 2439 Comment
  RSA0006633  Draba saxosa Anstruther Davidson 1876-7-11 s.n. Riverside Top of Mount Jacinto Comment
  CAS-BOT-BC70833  Dryopteris arguta G. R. Kleeberger 1878-12-30 s.n. Riverside Temescal Comment
  IRVC19372  Dryopteris arguta R. L. Allen 1977-2-11 s.n. Riverside Bear Creek Canyon; near Ortega Highway [74]. Peninsular Ranges, Santa Ana Mountains Comment
  RSA40400  Dryopteris arguta Sara Schenck 1948-02 s.n. Riverside small valley near Desert Queen Mill Site, Joshua Tree National Monument, Little San Bernardino Mountains. Comment
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Nov 6 2011
  UCR178152  Dryopteris arguta Tracy Tennant 1998-3-10 MOR- 1109 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, low hills on the south side of Wood Canyon near its mouth, tree stand W-5 1280 Comment
  UCR240657  Dryopteris arguta Tracy Tennant, Mitch Provance 1998-6-16 MOR- 428 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  RSA695581  Dyssodia porophylloides Keith E. Hoffmaster 1937-6-6 806 Riverside Desert grade of Palms to Pines Highway. Comment
  SD68958  Elatine californica Robert F. Thorne, E. Lathrop, P. Munz 1968-5-8 37560 Riverside Santa Rosa Plateau; Rancho California. Shallow water of vernal marsh on Mesa de Colorado. 671 Comment
  JEPS19327  Eleocharis acicularis Carl V. Meyer 1928-7-27 566 Riverside Hidden Lake San Jacinto Mts. (shore) 2651 Comment
  CAS-BOT-BC112742  Eleocharis geniculata H. M. Hall 1905-5-4 5984 Riverside Dos Palmas, 19 Comment
  UC1809  Eleocharis macrostachya H. M. Hall 1901-7 2489 Riverside Lake Surprise San Jacinto Mountains 2499 Comment
  UC68611  Eleocharis macrostachya H. M. Hall 1905-4-27 5919 Riverside Paloverde Valley Colorado Desert 76 Comment
  UCR122541  Eleocharis macrostachya George K. Helmkamp, E. A. Helmkamp 2001-5-20 6670 Riverside San Jacinto Mountains., Apple Canyon Rd, 1.5 mi NE of CA-74 1463 Comment
  UCR154539  Eleocharis macrostachya Jason L. Hlebakos 2005-5-18 710 Riverside Santa Rosa Plateau, Mesa de Burro in the research area 602 Comment
  CLARK-A1528-15  Eleocharis montevidensis C. M. Flanagan 1973-6-13 OO 709 Riverside Morongo Indian Reservation 1127 Comment
  UCR126373  Eleocharis palustris A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 682 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR164295  Eleocharis parishii S. J. Myers 2001-7-16 s.n. Riverside Peninsular Range; San Jacinto Mtns, Bautista Canyon 951 Comment
  UCR178328  Eleocharis parishii T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 602 Riverside San Bernardino Mtns., Morongo Indian Reservation, upper Potrero Canyon, sag pond at Burro Flats, tree stand P-10 1098 Comment
  HSC79579  Elymus condensatus Paul Bailey 1972-5-14 126 Riverside 6 miles NE of Temecula near Rancho California Drive, Tucalota Hills. 457 Comment
  UCR174236  Elymus condensatus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32663 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  SD234759  Elymus stebbinsii A. C. Sanders, T. 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
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Sep 26 2019
  JEPS1572  Emmenanthe penduliflora I. W. Clokey 1935-4-8 6846 Riverside Gavilan Mesa 600 Comment
  POM72898  Emmenanthe penduliflora Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA772583  Emmenanthe penduliflora Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5045 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 732 Comment
  UC666588  Emmenanthe penduliflora Harlan Lewis 1942-5-3 1608 Riverside 1 mi W Pinyon Flats (Calif Highway 74) Comment
  UCR4140  Emmenanthe penduliflora Ronald M. Cope 1965-3-13 s.n. Riverside Western Colorado Desert/ San Bernardino Mtns., small canyon on west side of Whitewater Canyon Road about 2 mi from trout hatchery 549 Comment
  UCR60243  Emmenanthe penduliflora R. F. Thorne, M. Z. Thorne 1973-3-30 42696 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
  UCR906A  Emmenanthe penduliflora S. Riddell 1973-5-17 7 Riverside Santa Ana Mtns, Hwy 74, 8.8 mi west of Hwy 71-74 junction, west of Elsinore 640 Comment
  RSA0105935  Emmenanthe penduliflora Alan Romspert 2001-4-13 s.n. Riverside Frontage Road E. of Cactus City rest Area, I-10. Comment
  SBBG37505  Emmenanthe penduliflora var. penduliflora R. N. Muller 1967-4-8 Riverside ca. 2 mi W of St Hwy 62 on Mission Crk Rd, 4.7 mi N of jct between US Hwy 60 and St Hwy 62 579 Comment
  JEPS30408  Encelia actoni Donald Kyhos 1957-4-8 57 -35 Riverside Highway 99 at Cabazon; , Highway 99 Comment
  UCR177275  Encelia actoni Scott D. White, Michael Honer 2003-5-13 9251 Riverside San Bernardino Mtns, Whitewater Canyon, c. 2 miles north of Bonnie Bell 640 Comment
  UCR244387  Encelia actoni Jim Andre 2012-4-16 20968 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
  RSA691956  Encelia californica Scott D. White, Michael Honer 2003-4-9 8979 Riverside Gavilan Hills: About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak '2349.' 549 Comment
  UCR520  Encelia californica Eugene Cardiff 1954-4-5 s.n. Riverside San Bernardino Valley Region, Santa Ana River, near Pedley 207 Comment
  CAS-BOT-BC293733  Encelia farinosa Mona Bourell 1987-4-14 3274 Riverside BLM California Conservation Area, Hwy 195, spur off of Box Canyon. Near Mecca 150 Comment
  HSC79045  Encelia farinosa A. C. Sanders 1985-3-1 5390 Riverside Box Springs Canyon, near the intersection of Central Ave. & Hwy. 60, along Gernert Rd., just above the Santa Fe Railroad tracks 427 Comment
  UCR120566  Encelia farinosa Helen Kennedy, T. B. Salvato 2002-2-2 5452 Riverside Western Colorado Desert/ San Jacinto Mtns, Coachella Valley, Agua Caliente Indian Reservation, mouth of Andreas Canyon at Palm Canyon, S edge of Palm Springs between Andreas Cyn. Rd. and water tank on W edge of sec. 2 244 Comment
  POM31393  Encelia farinosa var. farinosa Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  RSA781914  Encelia frutescens Duncan S. Bell 2010-5-1 896 A 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
  SBBG109174  Encelia frutescens D. Wilken with G. A. Wilken 1997-11-1 15374 Riverside tributary of San Bernardino Wash, 0.3 km SW of Gold Crown Rd, SW slope of Pinto Mtns 605 Comment
  SD251191  Encelia frutescens Aaron C. Sedgwick, Cody Leslie 2012-9-20 122 Riverside Mojave Desert; Southcentral Mojave Desert region: South of 29 Palms Hwy 62 in a wash ~3 mi. east of Chadwick Rd. West of Ironage road ~1500 ft. 242 Comment
  RSA688915  Encelia frutescens var. frutescens Scott D. White 2001-4-18 8363 Riverside Coachella Valley: Palm Springs. NE corner of Sunrise Dr. and San Raphael Dr. (Palm Springs) 152 Comment
  NY70193  Ephedra aspera I. W. Clokey 1935-4-17 6511 Riverside Cottonwood Springs Comment
  SEINET3004997  Ephedra aspera G. Rink 2011-4-4 10425 Riverside Northwest of Blythe, east of the McCoy Mtns, desert pavement 182 Comment
  UC813669  Ephedra aspera I. W. Clokey 1935-4-17 6514 Riverside Cottonwood Springs Comment
  HSC62741  Ephedra californica R. F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54115 Riverside SAN Bernardino MTS. : Sandy beach along Whitewater River, E of bridge and levee and below W-facing bluff 412 Comment
  RSA383878  Ephedra californica Martha Hilend 1928-3-11 108 Riverside Morongo Valley n. of Colorado Desert, California. Comment
  RSA0056204  Ephedra californica W. Marquart 1938-3-12 s.n. Riverside Mule Mountains south of Chuckawall Range. Comment
  GMDRC9376  Ephedra trifurca J. M. Andre 2017-3-4 37176 Riverside along west side of US Hwy 95, 21.4 mi. south of Vidal Junction, just north of Big Maria Mountains 123 Comment
  UCR112004  Epilobium campestre A. C. Sanders, T. B. Salvato 2000-5-25 23418 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR220335  Epilobium campestre D. E. Bramlet 1992-4-29 2248 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto Valley, west edge of Hemet, west of Warren Rd. and north of Florida Ave./Hwy 74 457 Comment
  RSA588413  Epilobium canum subsp. canum Gale Sphon 1955-06 s.n. Riverside Horsethief Canyon, Elsinore Mountains. Comment
  JOTR33119  Epilobium canum subsp. latifolium La Doux, Tasha, Mike Bell 2003-10-17 1602 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Wonderland of Rocks; Wonderland Wash, active wash corridor with sandy bottom, surrounded by granitic outcrops and pediments 1310 Comment
  RSA512  Epilobium canum subsp. latifolium J. T. Howell 1927-8-2 572 Riverside Road to Hemet, Mt. San Jacinto. 1372 Comment
  UCR5604  Epilobium canum subsp. latifolium Frank C. Vasek 1966-9-5 660905- 03 Riverside San Jacinto Mtns., 1 mile north of Mountain Center toward Idyllwild 1445 Comment
  RSA740927  Epilobium densiflorum Scott D. White, Justin M. Wood 2008-7-9 12427 Riverside K Flat, from large pond downstream to meadow. 1427 Comment
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Sep 27 2009
  POM48886  Epilobium lactiflorum P. A. Munz 1924-7-27 8742 Riverside Dark Canyon, San Jacinto Mountains. 2287 Comment
  UC4487  Epipactis gigantea Geo. F. Reinhardt June, 1897 Riverside San Jacinto Mountains Comment
  RSA612920  Equisetum arvense L. C. Wheeler 1931-10-4 214 Riverside San Jacinto Mts. Strawberry valley 1554 Comment
  SEINET3866231 Image available Equisetum laevigatum Steve Boyd, Timothy S. Ross 1990-5-11 4641 Riverside Vail Lake area, Arroyo Seco drainage, cyn bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland Nat. Forest.; 0 579 Comment
  UCR265591  Eragrostis cilianensis Jordan Zylstra 2014-7-6 14017 Riverside San Jacinto Mountains, Fobes Canyon 1524 Comment
  UCD63462  Eragrostis mexicana subsp. mexicana G. Helmkamp 1997-11-1 2518 Riverside Bermuda Dunes, 41st St. and Sparky (just E of Washington and S of I-10). 30 Comment
  CLARK-A1656-789  Eremalche exilis Jon Mark Stewart 1982-4-14 Riverside Palm Desert 60 Comment
  UCR244444  Eremalche exilis Jim Andre 2012-4-16 20935 Riverside Southern Mojave Desert, Joshua Tree National Park; along Geotour Road, at north end of one-way loop in Pleasant Valley at foot (south end) of Hexie Mtns, 6.7 mi. south of (paved) National Park Loop Rd. 990 Comment
  CAS-BOT-BC203233  Eremalche rotundifolia Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2156 Riverside Palen Pass at the N. end of the Palen Mtns. 500 Comment
  RSA651901  Eremalche rotundifolia G. S. Eleiott 1949-3-15 s.n. Riverside Colorado [Desert] 15 miles east of Palm Springs. 244 Comment
  UCR148481  Eremalche rotundifolia 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
  RSA0045065  Eremogone macradenia var. macradenia P. H. Raven 1958-5-5 12899 Riverside To the west of Split Rock Tank, Joshua Tree National Monument. Comment
  UCSB4441  Eremothera boothii subsp. condensata Broder, Richard 1958-3-1 Riverside 1.5 miles south of south entrance to Joshua Tree National Monument on U.S. 60-70 Comment
  UCSB25712  Eriastrum densifolium subsp. austromontanum Gliessman, Stephen 1968-7-17 Riverside Little Thomas Mountain Road, 2.0 miles southwest of junction with Highway 74, Little Thomas Mountain 1402 Comment
  SD258974  Eriastrum diffusum subsp. coachellae Sarah J. De Groot 2005-5-16 4968 Riverside Along Worsley Road paralleling Highway 62 between Dillon Road and Indian Ave., Desert Hot Springs area, vicinity of Morongo Creek. Broad but shallow washes through Bajada of Little San Bernardino Mountains. 495 Comment
  RSA0120104  Eriastrum eremicum subsp. eremicum A. M. Alexander, Louise Kellogg 1941-5-23 2219 Riverside Four miles northeast of Cottonwood Spring, Eagle Mountains. 1113 Comment
  RSA0120675  Eriastrum harwoodii Duncan S. Bell 2010-4-2 686 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
  UCR108876  Eriastrum sapphirinum Heidi A. Haid 1968-5-19 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR167058  Eriastrum sapphirinum Scott D. White, Jennifer H. Jones 2005-5-24 11099 Riverside Banning Pass area, Cabazon: San Gorgonio River wash and adjacent alluvial flats and benches to W 610 Comment
  UCR220118  Eriastrum sapphirinum D. E. Bramlet 1989-4-7 1820 Riverside Peninsular Range; Perris-Aguanga Basin region, Lake Skinner County Park, southeast slope of Bachelor Mountain, c. 3000 ft. west of Rawson Canyon & 2000 ft. north of Lake Skinner 488 Comment
  RSA0121559  Eriastrum sapphirinum subsp. dasyanthum Scott D. White 1997-5-25 5231 Riverside Bautista Canyon, Hixon Trail (USFS No. 2E43), between trailhead at Bautista Cyn. Rd. and intermittent stream crossing at ca. 3200 ft. 793 Comment
  SD148098  Eriastrum sapphirinum subsp. dasyanthum A. C. Sanders, T. B. Salvato 2001-5-3 24094 Riverside Perris-Aguanga Basin region; Hemet, southeast corner of State Street at Gibbel at east end of Diamond Valley. 494 Comment
  UCR225681  Eriastrum sapphirinum subsp. dasyanthum Steve Boyd, Valerie Soza 2004-6-22 11546 Riverside Peninsular Ranges; San Jacinto Mountains region, Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along Forest Service Road 5N13 near 5N06 1463 Comment
  RSA0121584  Eriastrum sapphirinum subsp. dasyanthum E. W. Lathrop 1966-5-15 6300 Riverside 3 miles SE of Murrieta on the De Luz Road. Comment
  HSC35352  Eriastrum sapphirinum subsp. sapphirinum J. D. Ackerman, A. M. Montalvo 1975-6-26 522 Riverside Hwy. 74 between San Juan Capistrano and Lake Elsinor, 1 mi. E of Upper San Juan Campground, Cleveland National Forest 610 Comment
  SD229089  Ericameria cuneata Dick Schwenkmeyer 2012-4-18 708 Riverside Mt. San Jacinto: Vista Grande, 1.1 mile northwest of U.S. Forestry station on Highway 243, north of Idyllwild. High granite ridge overlooking Gorgonio Pass to the north and Hemet to the west. 1540 Comment
  RSA614692  Ericameria cuneata var. spathulata A. C. Sanders, D. Wappler, T. Schram 1994-10-6 15785 Riverside San Jacinto Mountains (N slope): rocky gorge of Azalea Creek, Twin PInes Creek drainage 1189 Comment
  CAS-BOT-BC287639  Ericameria linearifolia Nancy Ryan Zabriskie; Walter Zabriskie 1971-4-9 372 Riverside About 2 miles up water service road leading S from Highway 72, Deep Canyon, N slope Santa Rosa Mts 1310 Comment
  OBI29877  Ericameria linearifolia Melissa Luckow, Rhonda Riggins 1982-4-15 824 Riverside Pinyon Pass Rd., 0.1 mi NW of Hwy 74 1006 Comment
  SD229091  Ericameria nauseosa var. bernardina Dick Schwenkmeyer 2012-8-27 800 Riverside 3.2 miles southeast of the intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1887 Comment
  UC64809  Ericameria paniculata E. E. Schellenger 1904-10-15 43 Riverside between Cabazon and Whitewater; Colorado Desert Comment
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Mar 13 2011
  UCD131523  Ericameria paniculata L. S. Rose Date unknown 35677 Riverside Whitewater Wash, 3 miles southeast of Palm Springs, Colorado Desert. 304 Comment
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Jun 16 2013
  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
  SEINET5727171 Image available Ericameria teretifolia Lowell E. Urbatsch, Patricia B. Cox; Sue Grace 1995-1 7093 Riverside Joshua Tree National Park; ca. 1.7 mi SE of jct. of the road to Cottonwood Headquarters and the road to the town of Joshua Tree; near the White Tank campground.; Joshua Tree National Park Comment
  SEINET10849697  Erigeron David B. Dunn 1947-9-21 Dunn 3513 Riverside Stream (Springs) bed, wet sand. Pushawalla Canyon. Comment
  UC31492 Image available Erigeron breweri var. jacinteus H. M. Hall June, 1901 2322 Riverside near Tahquitz; San Jacinto Mountains; near Tauquitz, San Jacinto Mts. 2690 Comment
  CAS-BOT-BC296795  Erigeron divergens H. M. Hall 1905-4-27 5881 Riverside Chuckawalla Bench, Colorado Desert Comment
  RSA0120443  Erigeron divergens Duncan S. Bell, LeRoy Gross 2016-5-18 9601 Riverside Santa Rosa Mountains; west side of Martinez Mountain; along the Cactus Spring Trail where it crosses Horsethief Creek. 1050 Comment
  OBI16551  Erigeron foliosus Robert F. Hoover 1968-6-7 11156 Riverside Head of St. Johns Cyn Comment
  POM19627  Erigeron foliosus Mary F. Spencer 1923-8-1 2215 Riverside Idyllwild, San Jacinto mts. 1646 Comment
  UCR3498  Erigeron foliosus var. foliosus Frances Miller 1964-6-5 M 6428 Riverside Box Springs Mtns, end of Big Springs Rd, just above railroad. 396 Comment
  HSC84146  Eriodictyon crassifolium Sharon K. Dubois 1987-5-10 Riverside San Jacinto Mtn., 1 mi. up Bee Canyon off Hwy. 74 457 Comment
  RSA456545  Eriodictyon crassifolium L. B. Ziegler 1969-7-1 s.n. Riverside Near Morris Ranch, Hemet Valley, San Jacinto Mtns. Comment
  RSA0056443  Eriodictyon crassifolium var. crassifolium Norman C. Cooper 1944-5-6 1170 Riverside Banning. 701 Comment
  CAS-BOT-BC188970  Eriodictyon parryi Mrs. E. C. Van Dyke 1928-7-10 s.n. Riverside Near Idyllwild Comment
  CLARK-A1528-542  Eriodictyon trichocalyx Tony Beck 1968-5-4 680504-10 Riverside San Jacinto Mountains 1219 Comment
  RSA771739  Eriodictyon trichocalyx var. trichocalyx Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4813 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 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
  RSA393080  Eriogonum apiculatum Anstruther Davidson 1930-1 s.n. Riverside Tahquitz Ridge. 2439 Comment
  RSA698422  Eriogonum apiculatum J. R. Bruff 1934-6-19 539 Riverside Palms and Pines Hwy. Comment
  RSA766437  Eriogonum apiculatum E. L. Peterson 1931-9-8 s.n. Riverside Ridge trail to Tahquitz Peak, along S side of Tahquitz Valley. San Jacinto Mts. 2439 Comment
  JEPS57108  Eriogonum davidsonii Marjorie D. Clary 1932-11-14 1674 Riverside se Kenworthy; Van Deventer Flats 1341 Comment
  RSA393168  Eriogonum davidsonii P. A. Munz 1922-9-6 s.n. Riverside North of Dark Canyon. 1524 Comment
  SEINET6340502  Eriogonum davidsonii Norman C. Cooper 1944-6-16 1558 Riverside San Jacinto Mountain, above Pine Cove 2073 Comment
  UCR102435  Eriogonum davidsonii G. R. Ballmer 1991-6-22 s.n. Riverside San Jacinto Mtns., SE end of Garner Valley, on Pacific Crest Trail about 2-3 mi north of junction with Hwy 74; in vicinity of Bull Canyon Comment
  UCR242669  Eriogonum davidsonii A. C. Sanders 2013-7-6 40844 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
  UCSB63448  Eriogonum davidsonii Ballmer, G.; Stockwell, K. 1995-6-24 Riverside San Jacinto Mountains: along trail from Morris Ranch Road to Pacific Crest Trail, near Pyramid Peak. 1981 Comment
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Dec 5 2014
  CAS-BOT-BC256117  Eriogonum deflexum var. deflexum John Thomas Howell 1928-11-4 4083 Riverside Hidden Spring Canyon, 13 miles se of Mecca Comment
  CAS-BOT-BC256122  Eriogonum deflexum var. deflexum Lewis S. Rose 1936-12-26 36824 Riverside Hayfield, 5 mi. W of Desert Center Comment
  POM306184  Eriogonum deflexum var. deflexum Henry J. Ramsey, Henry J. Ramsey 1939-11-28 s.n. Riverside Indio-(20 mi. east) Comment
  SD122175  Eriogonum elongatum var. elongatum James C. Dice, J. D. Tenhunen 1987-9-9 722 Riverside Ca. 1.6 km NNW of Royal Oak Ranch, next to road 380 Comment
  SD229217  Eriogonum elongatum var. elongatum Dick Schwenkmeyer 2012-10-16 927 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 551 Comment
  CLARK-A1528-735  Eriogonum fasciculatum subsp. foliolosum Fred B. Essig 1964-1-11 9 Riverside Corona Comment
  GMDRC6541  Eriogonum fasciculatum subsp. foliolosum J. M. Andre 2012-6-15 30493 Riverside San Jacinto Mountains: along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest 1172 Comment
  UCR158522  Eriogonum fasciculatum subsp. foliolosum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30044 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
  UCR172159  Eriogonum fasciculatum subsp. foliolosum T. B. Salvato, Gregg Miller 2005-6-3 1377 Riverside Peninsular Range; Perris-Aguanga Basin Region, c. 3 mi SW of Perris, 1.7 mi SW of the Goetz Road crossing of the San Jacinto River and c. 0.25 mi south of Ethanac Road 436 Comment
  CAS-BOT-BC249958  Eriogonum fasciculatum var. foliolosum J. F. Emmel 1969-6-21 169 Riverside Idyllwild, along Double View Drive, San Jacinto Mts. Comment
  UCR92291  Eriogonum fasciculatum var. foliolosum Scott D. White, M. A. Patten 1995-8-16 3547 Riverside San Jacinto Valley, Just west of Hemet, valley floor and foothills at SE margain of Lakeview Mts. north of Florida Ave. (SR 74) and west of California Avenue 500 Comment
  CAS-BOT-BC250133  Eriogonum fasciculatum var. polifolium Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mt. San Jacinto Comment
  JOTR31139  Eriogonum fasciculatum var. polifolium La Doux, Tasha 2009-6-3 1850 Riverside Joshua Tree National Park. (Stop 1): Little San Bernardino Mountains, Covington Flats, ridge line south of peak 1547 Comment
  LA206787  Eriogonum fasciculatum var. polifolium W. Pequegnat; 1938-5-15 sn Riverside Santa Ana Mountains, Bear Springs Comment
  RSA181273  Eriogonum fasciculatum var. polifolium John H. Thomas 1949-4-24 s.n. Riverside 2 miles east of Whitewater, between Banning and Indio. Comment
  RSA739339  Eriogonum fasciculatum var. polifolium Keith E. Hoffmaster 1936-4-26 714 Riverside Box Springs grade. Comment
  UC64571  Eriogonum fasciculatum var. polifolium H. M. Hall June, 1901 2000 Riverside Box Springs Comment
  UCR135730  Eriogonum fasciculatum var. polifolium Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9005 Riverside Santa Rosa Mountains, along Hwy 74 on the Santa Rosa Mountain Grade, c. 0.5-0.8 mi NE of Black Hill 854 Comment
  UC56796  Eriogonum gracile H. M. Hall 1902-8-6 2655 Riverside vicinity of Riverside 457 Comment
  RSA575907  Eriogonum gracile var. gracile Steve Boyd 1994-10-14 8382 Riverside Southern Santa Ana Mts., San Mateo Canyon Wilderness Area of the Cleveland Nat'l Forest. San Mateo Canyon, sandy benches in canyon bottoms at the confluence with Bluewater Canyon. 329 Comment
  RSA741737  Eriogonum gracile var. gracile M. Wall 2008-10-6 494 Riverside San Jacinto Valley, Baustista Rd. south east of Hemet; Bautista Creek ca. 6.0 miles SE of Fairview Ave. 778 Comment
  UCR144100  Eriogonum gracile var. gracile Scott D. White 1999-5-28 7434 Riverside Peninsular Ranges/Perris-Aguanga Basin region/Gavilan Hills, Gavilan Hills, c. 3 air mi SE of junction of Cajalco Rd. and Gavilan Rd.; east of Juniper Rd. between Blue Sky Dr. and Celestial Dr 689 Comment
  CAS-BOT-BC257579  Eriogonum inflatum C. L. Hitchcock 1940-4-3 5928 Riverside 1 1/2 miles northeast of Cottonwood Springs along 29 Palms Road, Joshua Tree National Monument Comment
  CAS-BOT-BC257585  Eriogonum inflatum E. A. McGregor 1917-3-18 728 Riverside Colorado Desert. 4 mi up Painted Canon [Canyon] Comment
  UCR72196  Eriogonum inflatum Theo Glenn 1991-5-20 91- 102 Riverside Sonoran (Colorado) Desert, Arica Mts, SW of Rice 320 Comment
  CAS-BOT-BC263119  Eriogonum maculatum Peter H. Raven 1958-5-18 12989 Riverside Pinon [Pinyon] Flats, San Jacinto Mountains Comment
  JEPS56774  Eriogonum maculatum Marjorie D. Clary 1932-5-25 1694 Riverside Pleasant Valley Colorado Desert, Hexie Mountains, Pleasant Valley 1066 Comment
  UC849804  Eriogonum nudum var. pauciflorum I. W. Clokey, E. G. Anderson 1935-8-21 6590 Riverside Keen Camp P.O. 1425 Comment
  UCR24265  Eriogonum nudum var. pauciflorum John C. Roos 1943-10-16 2740 Riverside Southern Mojave Desert, Falcon Flats, Little San Bernardino Mtns 1524 Comment
  UCR5715  Eriogonum nudum var. pauciflorum Frank C. Vasek 1966-9-4 660904- 05 Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1829 Comment
  JOTR30756  Eriogonum plumatella La Doux, Tasha, Jim Andre 2007-9-6 137 Riverside Joshua Tree National Park. Queen Valley, just E. of Geology Tour Rd. in July 2006 burn area. 1318 Comment
  CHSC26394  Eriogonum pusillum Dieter H. Wilken 1966-3-26 771 Riverside Whitewater Canyon along the eastern periphery. 609 Comment
  JEPS56484  Eriogonum pusillum Marjorie D. Clary 1932-5-13 1037 Riverside Lost Horse Canyon, north Colorado Desert Colorado Desert, Lost Horse Canyon 1219 Comment
  RSA314633  Eriogonum pusillum Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55429 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  JOTR37423  Eriogonum thomasii La Doux, Tasha 2016-3-9 3658 Riverside Above Hayfield Dry Lake - Stop 1 509 Comment
  RSA0039854  Eriogonum thomasii Duncan S. Bell, Evan Meyer 2014-4-2 6507 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  RSA424958  Eriogonum thomasii Robert Gustafson 1980-4-3 1524 Riverside Orocopia Mountains, about 6 miles east of Mecca along Box Canyon Road, south of the road 305 Comment
  RSA698448  Eriogonum thomasii Calvert Norland 1930-5-18 s.n. Riverside Shavers Well. Comment
  UCR200299  Eriogonum thomasii Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11213 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  UCR72234  Eriogonum thomasii Theo Glenn 1991-5-24 91- 131 Riverside Sonoran (Colorado) Desert, Palen Mtns, NE of Desert Center 399 Comment
  POM47237  Eriogonum thurberi Mary F. Spencer 1920-3-28 s.n. Riverside Palm Springs. 122 Comment
  UCR119275  Eriogonum thurberi Mitch Provance 1998-6-12 700 Riverside Santa Ana River Wash, Riverside, 1/8 mile NW of Tequesquite Ave. and Gregory Rd. 229 Comment
  UCR35086  Eriogonum thurberi L. B. Ziegler 1968-5-7 283 Riverside San Jacinto Mtns, near mouth of Bautista Canyon, foothills of San Jacinto Mtns. 612 Comment
  POM247452  Eriogonum wrightii var. membranaceum P. A. Munz 1941-10 17235 Riverside Dos Palmos Spring, north base of Santa Rosa Mountains. Comment
  CDA21219  Erioneuron pulchellum G. F. Hrusa, J. A. Hart 1993-4-4 10595 Riverside Cholla Garden, Joshua Tree N.M. Comment
  CAS-BOT-BC298487  Eriophyllum ambiguum var. paleaceum Lewis S. Rose 1937-4-9 37141 Riverside Palms to Pines Highway, 14 miles W of Indio 731 Comment
  POM31121  Eriophyllum ambiguum var. paleaceum H. M. Hall 1905-4-14 5760 Riverside Palm Springs, in the lower sonoran zone of the Colorado Desert. 150 Comment
  RSA94416  Eriophyllum ambiguum var. paleaceum F. W. Peirson 1933-4-13 10638 Riverside Road from Deep Canyon to Idyllwild. 610 Comment
  SDSU4085  Eriophyllum confertiflorum H. Wedberg 1962-5-23 946 Riverside 4.8 miles from Hwy 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
  UCD132264  Eriophyllum confertiflorum P. C. Everett; E. K. Balls 1958-5-4 23081 Riverside Morongo Pass, 7.6 mi. n. along road to 29 Palms from U.S. Hwy. 60/70. 670 Comment
  UCR175076  Eriophyllum confertiflorum Teresa Nieto 2005-4-24 19 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  SDSU13043  Eriophyllum confertiflorum var. confertiflorum Janet M. Knotts, Jill Steinberg 1998-3-11 11 III1998C Riverside Ca. 1/4 mile along foot trail leading southeast from road, ca. 1/4 mile northeast of Santa Margarita (SDSU) Field Station, north of Santa Margarita River. 335 Comment
  UCR34871  Eriophyllum multicaule L. B. Ziegler 1969-4-25 348 Riverside San Jacinto Valley, hills on west side of valley in Coyote Pass area 518 Comment
  POM358158  Eriophyllum wallacei Norman C. Cooper 1944-5-20 1246 Riverside Palms to Pines Hwy. San Jacinto Mtns. 1219 Comment
  UCR100175  Erodium brachycarpum Scott D. White 1993-3-3 1987 Riverside Perris Basin, Romoland/Winchester area 442 Comment
  RSA774513  Erodium cicutarium Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4466 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 488 Comment
  UCR174066  Erodium moschatum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32619 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 591 Comment
  POM10412  Erodium texanum Charlotte M. Wilder 1905-4-2 34 Riverside Wilders Canyon, Jurupa Hills near Riverside. Comment
  CAS-BOT-BC54332  Erysimum capitatum Elizabeth McClintock 1965-6-25 s.n. Riverside Top of Santa Rosa Mountain. Comment
  RSA0020235  Erythranthe breweri P. A. Munz 1922-7-6 5996 Riverside San Jacinto Mountains: Tahquitz Valley. 2195 Comment
  SEINET13754614  Erythranthe diffusa B. Ertter, J. Strachan 1979-1 2975 Riverside Kenworthy Forest Station on Rt. 74 in Garner Valley, San Jacinto Mountains. Comment
  RSA0020243  Erythranthe floribunda Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 644 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA0014889  Erythranthe tilingii P. A. Munz 1922-7-6 5992 Riverside San Jacinto Mountains. Tahquitz Valley. 2195 Comment
  RSA0022955  Eschscholzia androuxii Ora M. Clark 1929-2-23 1564 Riverside North Whitewater. Comment
  UC56236  Eschscholzia californica H. M. Hall Apr. 1903 3849 Riverside Moreno Valley Comment
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Mar 20 2011
  UC855146  Eschscholzia californica I. W. Clokey, C. B. Clokey, and B. C. Templeton 1930-4-15 4641 Riverside Gavilan Peak 600 Comment
  UCR113139  Eschscholzia californica A. C. Sanders 1998-3-11 21684 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near old mine site above San Jacinto Valley, south of end of Warren Rd. 610 Comment
  RSA445642  Eschscholzia minutiflora M. B. Dunkle 1933-3-3 3026 Riverside Devils Cactus Garden, Colorado Desert 152 Comment
  UC69219  Eschscholzia minutiflora E. E. Schellenger April 1905 Riverside Santa Maria Mts. Colorado Desert Comment
  UCSB18762  Eschscholzia minutiflora Gates, C. 1963-5-5 Riverside State Highway 74; 5.5 miles E of Pinyon Flats Campground; western edge of Colorado Desert 883 Comment
  RSA0011218  Eschscholzia minutiflora Richard Snow 1953-4-5 51 a Riverside Box Canyon. Comment
  SEINET10476293  Eschscholzia minutiflora David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2909 Riverside Pushawalla canyon, indio hills. Hill slope. Comment
  CAS-BOT-BC419649  Eschscholzia parishii Annie M. Alexander; Louise Kellogg 1941-5-14 2169 Riverside Colorado Desert. 5 miles south of Cottonwood Spring, Eagle Mountains Comment
  GMDRC2593  Eschscholzia parishii J. Andre, T. La Doux 2008-3-21 8837 Riverside Little San Bernardino Mountains: Joshua Tree National Park: lower Wilson Wash along NE side of paved road 33 deg. 56.542' N 115 deg. 58.266' W. Elev. 2797 ft. 853 Comment
  JOTR38684  Eschscholzia parishii Hodges, Stephen R. 2017-2-7 700 Riverside Joshua Tree National Park. Little San Bernardino Mountains, West Deception Canyon, near the mouth of the canyon just north of the park boundary Comment
  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
  CHSC98094  Eucalyptus A. C. Sanders 1988-5-29 7878 B Riverside University of California, Riverside. Botanic Garden. Australian Section, gred cell P-5 (near O-4). 366 Comment
  UCR133177  Eucalyptus polyanthemos J. C. Lyman 1989-2-9 89- 3 Riverside Lakeview, Pressman property in the Bernasconi Hills, just south of the Ramona Expressway, south of Lake Perris and north of Nuevo Comment
  SD247455  Eucalyptus tereticornis A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-3 41560 Riverside Peninsular Range Eastern Foot of the Santa Ana Mountains: Temescal Canyon NW of Horsetheif Canyon Road along DePalma Road, SE of Glen Eden Road and south of the east end of Lee (Corona) Lake, south side of I-15 (Alberhill 7.5'Q) 370 Comment
  UCD119342  Eucrypta chrysanthemifolia Steve Boyd 1986-3-1 1363 Riverside Gavilan Plateau, Gavilan Hills: On recent burn, 1/4 mile south of Harford Springs County Park. 640 Comment
  RSA681994  Eucrypta chrysanthemifolia var. bipinnatifida Steve Boyd, Amber Maurice, Pesach Lubinsky, Lel Lubinsky 2003-4-17 10487 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
  POM431205  Eucrypta micrantha J. C. Roos 1958-2-21 s.n. Riverside Corn Springs. Chuckwala Mtns. Comment
  UC489088  Euonymus occidentalis var. parishii C. V. Meyer 1928-7-24 514 Riverside San Jacinto Mts., Idyllwild Falls 1889 Comment
  UCD170236  Euonymus occidentalis var. parishii K. M. Meyer; A. Townesmith 2007-3-16 19 Riverside San Bernardino National Forest. Fuller Mill Creek. 17.6 m S on Hwy 243 (off of I-10). 1572 Comment
  UCR239858  Euphorbia O. F. Clarke 2004-8-21 s.n. Riverside Peninsular Range, Riverside; UCR Botanic Garden 351 Comment
  RSA709800  Euphorbia albomarginata A. C. Sanders 2004-6-30 28390 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, large rocky hill (1762 ft.) 1 mi. E of Murrieta Rd. and 1 mi. N of Bundy Canyon Rd., ca. 5 miles due south of Sun City. 470 Comment
  RSA717586  Euphorbia albomarginata A. C. Sanders 2004-5-12 27881 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  UCR199620  Euphorbia albomarginata Scott D. White, Angelia Carey 2004-7-2 10551 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  RSA0019014  Euphorbia eriantha Duncan S. Bell, John Anderson, Kim Clark, Ed Howland 2013-9-29 6038 Riverside Chuckwalla Mountains; on the south side of Corn Springs Wash, approximately 3 air miles west of Corn Springs, and about 0.5 air miles south of Aztec Well. 659 Comment
  RSA0042169  Euphorbia eriantha Duncan S. Bell, Evan Meyer 2014-4-2 6517 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 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
  SD186179  Euphorbia hirta A. C. Sanders, G. K. Helmkamp 1996-3-17 17992 Riverside Rancho Mirage, intersection of Dinah Shore Dr. and Duval Dr., at Cathedral City limits. 98 Comment
  UCR92289  Euphorbia maculata Scott D. White, Michael A. Patten 1995-8-16 3549 Riverside San Jacinto Valley, Just west of Hemet, valley floor and foothills at SE margain of Lakeview Mts. north of Florida Ave. (SR 74) and west of California Avenue 500 Comment
  UCD142436  Euphorbia misera Robert F. Thorne; Drs. Fosberg, Sachet, and Herbst 1983-4-23 55410 Riverside San Bernardino Mts; Mouth of Whitewater Canyon, east of Whitewater Post Office. 426 Comment
  UCR100576  Euphorbia ophthalmica George K. Helmkamp 1997-11-7 2523 Riverside Sonoran (Colorado) Desert, Palm Springs, at the corner of El Cielo and Taquitz-McCallum. 152 Comment
  UC162561  Euphorbia palmeri H. M. Hall 1898-6-30 Riverside s side San Jacinto Mountains 1600 Comment
  RSA696840  Euphorbia polycarpa Mary Edmunds 1932-3-24 s.n. Riverside Oasis. [Coachella Valley? County not specified] Comment
  SD229140  Euphorbia polycarpa Dick Schwenkmeyer 2012-11-6 866 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
  UCD142706  Euphorbia polycarpa G. L. Webster; R. Hildreth 1966-12-10 7468 Riverside Box Canyon Wash, c. 7-8 mi NE of Mecca on Cal. 195. 198 Comment
  UCR107720  Euphorbia polycarpa A. C. Sanders 1997-3-1 19738 Riverside Box Springs Mountains, Riverside: S end of the range along Gernert Rd. (dirt road paralleling the mountain front), in valley draining to Box Spring Canyon. 457 Comment
  UCR135818  Euphorbia polycarpa A. C. Sanders, Guy Bruyea 2004-4-2 27431 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
  UCR58873  Euphorbia setiloba J. M. Stewart 1989-10-17 615 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, c. 10 mi west of Wiley's Well 305 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
  PASA2352  Fagonia californica 1930-3-30 Riverside Painted Canyon Comment
  UC625383  Fagonia laevis Roxana S. Ferris 1939-3-29 9708 Riverside between Hayfields Reservoir and Desert Center (Indio-Blythe Highway) Comment
  SEINET912731  Fagonia pachyacantha Annie M. Alexander, Louise Kellogg 1941-1 2233 Riverside Box Canyon, east of Mecca. 243 Comment
  CAS-BOT-BC56788  Ferocactus cylindraceus Alice Eastwood 1913-4-30 3091 Riverside Field redacted by CAS, contact the data manager for more information Comment
  UCR75045  Ferocactus cylindraceus A. C. Sanders, E. J. Lawlor 1992-4-4 12159 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCR20858  Festuca microstachys A. C. Sanders 1978-6-20 885 Riverside San Jacinto Mtns, James Reserve, above Lake Fulmor 1646 Comment
  UCR97745  Festuca microstachys B. G. Pitzer 1997-4-1 3047 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  LA13139  Festuca octoflora F. R. Fosberg; 1932-3-13 8100 Riverside Coachella Valley, Thousand Palms Canyon Comment
  RSA501083  Filago arizonica Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-2 3201 Riverside Vail Lake Area, W end of bench on S flank of Oak Mountain. 548 Comment
  RSA524432  Filago arizonica Steve Boyd, Timothy S. Ross, Laurel Arnseth, Jaime Bonilla 1990-4-3 4048 Riverside Vail Lake area, summit of 'Big' Oak Mountain at E end. 793 Comment
  POM254733  Filago depressa P. A. Munz 1940-3-23 15688 Riverside north end of Pinto Basin 610 Comment
  UCR173928  Filago gallica A. C. Sanders 2006-5-19 32438 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
  SFV17336  Fouquieria splendens subsp. splendens J. D. Dilley, J. N. Hogue (108.19) 1998-4-23 275 Riverside Sonoran Desert Chuckwalla Mountains. Corn Springs Wash at Corn Spring. 488 Comment
  RSA762733  Frangula californica subsp. californica Patrick Garrett, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 87 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  CAS-BOT-BC211660  Frankenia salina S. B. Parish 1897-5-31 4396 Riverside Elsinore Comment
  SEINET1004423  Frankenia salina A. C. Sanders 2004-1 28379 Riverside Perris-Aguanga Surface/Menifee Valley Region; Paloma Valley, ca. 1.5 mile NW of the 'Menifee-Antelope Community Hall', 0.6 mi e of Murrieta Rd. near the NW foot of a large rocky hill (1762 ft.) and ca. 5 miles due south of Sun city 457 Comment
  POM11435  Frasera parryi P. A. Munz 1922-7-3 5964 Riverside S slopes of Santa Rosa Mts. 1677 Comment
  CAS-BOT-BC217647  Fraxinus dipetala T. Cass 1975-4-10 1512 Riverside 3/4 mi. down road parallel to Brown Creek Comment
  UC1929297  Fraxinus dipetala Scott D. White, Justin Wood 2008-5-12 11946 Riverside Beaumont- NE point of the Beaumont Badlands, N of Mt. Davis. 793 Comment
  UC3627  Fritillaria biflora H. M. Hall Apr. 1897 384 Riverside Winchester; Southern California, Winchester Comment
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Mar 20 2011
  UCR67352  Fritillaria biflora Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4064 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn. at east end 793 Comment
  RSA569000  Funastrum cynanchoides var. hartwegii M. B. Dunkle 1935-4-17 s.n. Riverside W. of Wiley Well. Colorado Desert. Comment
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Dec 14 2011
  SEINET3081782 Image available Funastrum cynanchoides var. hartwegii Peggy Merritt PM- 720428 Riverside Canyon running N in hills 1 mi S of Intersec. of Alessandra Blvd and Walnut St., 12 mi W of Riverside 366 Comment
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Aug 25 2013
  SD251170  Funastrum heterophyllum Duncan S. Bell 2013-1-30 4442 Riverside The Mecca Hills; in an unnamed canyon between Thermal Canyon and Painted Canyon, just to the west of Mecca Hills peak 1642. 138 Comment
  POM160094  Funastrum hirtellum E. C. Jaeger 1927-3-23 s.n. Riverside Salt Creek Wash, Colo. Desert Comment
  POM259726  Funastrum hirtellum E. C. Jaeger 1939-12-1 s.n. Riverside Orocopia Mountains 366 Comment
  JEPS52915  Galium Lauramay T. Dempster and G. L. Stebbins 1966-6-17 4237 Riverside Chimney Flat (old control) road below Alvin Meadows Comment
  SD131983  Galium angustifolium Lauramay T. Dempster 1962-4-17 1890 Riverside Whitewater Canyon, about 1 mile below the Fish Hatchery. I and about dry wash in side canyon Comment
  RSA180292  Galium angustifolium subsp. angustifolium E. W. Lathrop 1965-4-25 5693 Riverside 4 miles southwest of Murrieta on the De Luz Road. Comment
  UCR117616  Galium angustifolium subsp. angustifolium Scott D. White 1997-5-25 5234 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
  SBBG89043  Galium angustifolium subsp. gracillimum B. Pitzer, K. Kirtland 1986-5-20 227 Riverside E side of Butterfield Stage Rd, 1 mi S of Buck Mesa, Rancho California area, N side of Pauba Valley 457 Comment
  RSA706289  Galium californicum subsp. primum Naomi S. Fraga, Sarah J. De Groot, Valerie Soza 2004-6-28 1280 -b Riverside Along Red Hill Road (5S10) near Alvin Meadows, southwest of Pine Cove. 1616 Comment
  JOTR33950  Galium multiflorum La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2818 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  UCR121354  Galium multiflorum A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24607 Riverside Mojave Desert, Little San Bernardino Mtns, Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1372 Comment
  SBBG118778  Galium porrigens var. porrigens S. D. White 1999-7-9 7536 Riverside near Idyllwild Community Service District sewage ponds at terminus of USFS Rd 5S24.2; T5S R2E boundary of S15/22 1430 Comment
  UCD170416  Galium porrigens var. porrigens D. O. Burge 2017-3-12 2223 Riverside Alvin Meadows. 1524 Comment
  POM337423  Galium stellatum F. R. Fosberg 1930-4-30 S 2224 Riverside Morongo Canyon. Comment
  RSA0121056  Galium stellatum Duncan S. Bell, LeRoy Gross 2016-3-29 9118 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5 air miles southeast of the summit of Martinez Mountain. 686 Comment
  SEINET7247852  Galium stellatum var. eremicum Duncan S. Bell, Marcel Beffort 2014-1 6600 Riverside Colorado Desert; Chocolate-Chuckwalla Mountain region: Chuckwalla Mountains; western end of Corn Springs wash/canyon; approximately 0.75 air mile southwest of Aztec Well. 671 Comment
  UCR120903  Gamochaeta pensylvanica A. C. Sanders 2002-3-20 24895 Riverside Sonoran (Colorado) Desert, Coachella Valley, city of Palm Springs, around offices of Agua Caliente Band of Cahuilla Indians, 650 E Tahquitz Canyon Way at Calle El Segundo 137 Comment
  CAS-BOT-BC178389  Garrya flavescens Carl B. Wolf 1939-1-20 9485 Riverside East side Santa Ana Mts., along Eagle Motor Way, 1 mi. below summit. 914 Comment
  POM259134  Garrya flavescens var. pallida P. A. Munz 1938-8-14 15372 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2287 Comment
  SD60361  Garrya veatchii Peter H. Raven 1958-5-18 12970 Riverside 2.3 miles from Mountain Center on road to Hemet, San Jacinto Mountains. Comment
  UC1212187  Garrya veatchii H. E. and S. T. Parks 1938-2-15 24087 Riverside Highway 3 mi n of Idlewild Junction (San Jacinto Mountains); San Jacinto Mountains 1219 Comment
  CAS-BOT-BC303578  Geraea canescens Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center Comment
  UC896837  Geraea canescens N. Dunn and A. M. Martin Mar 26 1932-Mar 27 1932 Riverside Coachella Comment
  UCR166007  Geraea canescens Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  SEINET9118670  Geraea canescens Donald Myrick 1965-1 1075 Riverside Near Palm Desert 152 Comment
  RSA598677  Geranium richardsonii Louis C. Wheeler 1948-8-28 6701 Riverside San Jacinto Mountains. Wellman's Cienega. 2896 Comment
  RSA784828  Gilia J. D. Olmsted 1962-6-23 5242 Riverside SE San Bernardino Mtns: At first switchback out of Banning Water Canyon towards Gunsight Pass and Raywood Flat. 1555 Comment
  RSA192032  Gilia angelensis E. W. Lathrop 1964-5-10 5358 Riverside 10 miles west of Murrieta. 610 Comment
  RSA606302  Gilia angelensis Jon E. Keeley 1994-4-22 25337 Riverside Shipley Reserve. 590 Comment
  RSA612480  Gilia angelensis D. L. Banks 1997-2-23 1337 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, south of Pechanga Road in the Reservation, north of Pechanga Creek, and east of the Pechanga Tribal Government Center. 367 Comment
  RSA678422  Gilia angelensis Michael Wall 2003-4-15 264 Riverside Lamb Canyon west of Beaumont, off Hwy. 79, 5.2 mi. south jct. with 10 Fwy up dirt road at turnout along west side of Hwy. 602 Comment
  SEINET7073399  Gilia angelensis A. G. Vestal 1963-4-23 s.n. Riverside About 1.6 mile up the Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UCR183340  Gilia angelensis Mitch Provance 2005-5-27 4602 Riverside San Bernardino Valley, Riverside, Sycamore Canyon, just east of the corner of Canyon Crest Drive and Via Vista 381 Comment
  UCR21971  Gilia angelensis Steve Boyd 1980-5-2 161 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR26283  Gilia angelensis John C. Roos 1952-4-23 5578 Riverside Box Springs Mtns, 1 yr old burn, north side of mtns 457 Comment
  RSA470271  Gilia capitata subsp. abrotanifolia N. C. Cooper 1944-6-17 1430 Riverside San Jacinto Mountain. West side. 1372 Comment
  RSA586861  Gilia diegensis D. L. Banks, S. D. Boyd 1995-5-3 0280 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  CAS-BOT-BC407808  Gilia ochroleuca subsp. exilis H. M. Hall 1902-4-1 2912 Riverside Vicinity of Winchester 365 Comment
  RSA0016241  Gilia ochroleuca subsp. exilis Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4523 -a Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SEINET13203141 Image available Gilia ochroleuca subsp. exilis A. C. Sanders 1994-1 14576 Riverside San Bernardio Mountains: East Branch Millard Canyon, along FS Road 4S45. (T2S, R2E, N/2 sec.21.) 1200 Comment
  JOTR30237  Gilia sinuata Leary, C. and Leary, Pat 1979-5-5 3000 Riverside Joshua Tree National Park. Above Lower Covington Flat, Joshua Tree N.M., T2S R7E sec 6. Comment
  RSA27507  Gilia stellata I. L. Wiggins 1941-3-26 9661 Riverside Along wash at Wiley well. Comment
  RSA469626  Gilia stellata Christopher Davidson 1979-4-4 7715 Riverside Orocopia Mountains; Box Canyon on Box Canyon Road, 13.4 miles E of Mecca 488 Comment
  RSA516892  Gilia stellata Steve Boyd, Orlando Mistretta 1986-3-13 1408 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd & 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  UCR146271  Gilia stellata J. M. Porter, Et al. 2001-4-2 12343 Riverside Colorado Desert; Western Colorado Desert region, Coachella Valley, c. 1 mi east of Desert Hot Springs, Long Canyon, on W side of Long Canyon Road 396 Comment
  PASA732  Gilia virgata Mary Hall 1939-5-27 Riverside San Jacinto river Comment
  POM157911  Githopsis diffusa subsp. filicaulis P. A. Munz 1927-5-20 10807 Riverside 10 miles S. of Hemet. Comment
  RSA273030  Glinus lotoides C. W. Tilforth, Walter Wisura 1978-10-6 1715 Riverside East end of Lake Skinner, northeast of Temecula. 451 Comment
  CDA7195  Glyceria declinata T. B. Salvato, Tracy Tennant 1998-4-23 MOR- 905 Riverside San Bernardino Mountains; Morongo Indian Reservation, seep in Wood Canyon, tree stand W-07. Comment
  RSA552541  Gnaphalium canescens D. Charlton 1987-12-6 1104 Riverside Cottonwood Canyon, first canyon W of Whitewater N of the 10 freeway. N of Palm Springs. Foothills of San Bernardino Mtns. 915 Comment
  UCR106347  Gnaphalium canescens subsp. beneolens John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  UCR92083  Gnaphalium luteoalbum Scott D. White, S. Ogg 1994-10-17 2464 .1 Riverside Temecula Valley, Murrieta Creek at Winchester Road bridge (Banana Avenue) 317 Comment
  CAS-BOT-BC307398  Gnaphalium palustre A. C. Sanders 1998-5-21 21868 Riverside Hemet, alkaline flats west of town along Stetson Ave. W of Warren Road 457 Comment
  UCR90309  Gnaphalium palustre F. M. Reed 1922-5-17 4748 Riverside Sonoran (Colorado) Desert, east of Palm Springs 152 Comment
  RSA752221  Grayia spinosa Scott D. White, Justin M. Wood, Paul Kielhold 2009-4-21 12584 Riverside Ridgeline E of Whitewater Canyon, +/- 2 miles N of town of White Water (Interstate 10), near Super Creek Quarry 640 Comment
  RSA773187  Grayia spinosa Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4918 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  SEINET3071480  Grusonia parishii Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17497 Riverside Queen Mountain quadrangle, zone 11 0584612mE 3763271mN NAD83, Queen Valley, 14.5 km SSW of Twenty Nine Palms, 2.2km south of Negro Hill 1354 Comment
  UC1584126  Guillenia lasiophylla Steve Boyd, Tim Ross, and Laurel Arnseth 1990-3-29 3875 Riverside ridge at n side mouth of Temecula Creek Canyon (and adjacent benches of s flank of Big Oak Mtn); Vail Lake Area 396 Comment
  UC1213987  Gutierrezia californica Otto T. Solbrig 1958-8-20 2775 Riverside near entrance to Tahquitz Canyon (about 1 mi from Palm Spring-Palm Desert Hwy) 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
  UCD132635  Gutierrezia californica A. C. Sanders 2004-6-30 28384 B Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, 1 mile east of Murrieta Road and 1 mile north of Bundy Canyon Road, ca. 5 miles due soutn of Sun City. 470 Comment
  SD51717  Gutierrezia sarothrae Otto T. Solbrig 1958-4-18 2760 Riverside 12.3 miles west of Aguanga on Highway 79 (mak 8/07) Comment
  UCR34925  Gutierrezia sarothrae L. B. Ziegler 1964-8-25 016 Riverside San Jacinto Mountains, Garner(Hemet) Valley. Valley floor in Kenworthy area. 1418 Comment
  UCR85386  Haplopappus acradenius A. C. Sanders, P. J. MacKay, G. K. Helmkamp, J. M. Stewart, C. L. Sanders 1994-12-4 15879 Riverside Sonoran (Colorado) Desert, Salton Trough: Dos Palmas oasis area, San Andres palm grove, 1.75 km (1.1 mi) WSW of Rancho Dos Palmas, marked 'seep' on Durmid Q. -23 Comment
  RSA0066609  Harpagonella palmeri Steve Boyd, Tim Ross, Laurel Arnseth, Jaime Bonilla 1990-4-3 4110 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  RSA0066618  Harpagonella palmeri Scott D. White 2001-4-19 8381 Riverside Perris Basin: Perris/Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5-2 mi west of Interstate 215. 442 Comment
  RSA0066632  Harpagonella palmeri Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4008 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR217646  Harpagonella palmeri Jeff B. Galvin 2010-3-25 120 Riverside Perris-Aguanga Basin, West of Lake Matthews, south of Cajalco Road. Just east of small riparian woodland. Northwest side of a clay hill. 430 Comment
  UCR48472  Harpagonella palmeri Steve Boyd 1986-3-9 1384 Riverside Peninsular Range, Temescal Canyon: Alberhill Mtn., south slope of mtn., just east of claymine area 488 Comment
  UCR60270  Harpagonella palmeri Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3133 Riverside Peninsular Range, Vail Lake area, 2 mi west of dam, at edge of escarpment east of Pauba Valley 549 Comment
  SEINET2052382 Image available Hazardia squarrosa Howard S. Gentry 1972-8-1 23033 Riverside Gentry Ranch, 3.5 miles NE of Murrieta. 426 Comment
  RSA0071984  Helianthemum scoparium J. M. Andre 2012-6-15 30521 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
  CDA6475  Helianthus gracilentus F. J. Willmarth 1961-5-26 Riverside Along Cherry Ave, north of Cherry Valley, Beaumont District. 0 Comment
  RSA33578  Helianthus gracilentus N. C. Cooper 1944-6-4 1366 Riverside Elsinore Mountain; Lookout at top. 1066 Comment
  SDSU4540  Helianthus gracilentus H. Wedberg 1962-5-23 947 Riverside 4.8 miles from Hwy 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
  SFV4472  Helianthus gracilentus A. M. Johnson 1934-8-18 4140 Riverside San Jacinto Mountains Along road on Banning side. Comment
  UCR1412  Helianthus gracilentus Frank C. Vasek 1958-5-9 580509- 06 Riverside San Bernardino Valley Region, Reche Canyon 549 Comment
  UCR256771  Helianthus gracilentus T. B. Salvato, Matthew Malle 2013-5-20 7588 Riverside Perris-Aguanga Basin, Menifee, northwest corner of Bundy Canyon Road and Murrieta Road 515 Comment
  SBBG101685  Heliotropium curassavicum var. oculatum S. Boyd, T. Ross, D. Zippin, T. Oberbauer 1991-6-14 6332 Riverside Skunk Hollow area, 2 mi E of Murrieta Hot Springs, just W of Second San Diego Aqueduct Comment
  RSA784859  Hemizonia fasciculata Steve Boyd, Orlando Mistretta, Walter Wisura 1989-5-30 sn Riverside Lake Skinner County Pk, S. base of Bachelor Mtn Comment
  UCR23815  Hemizonia kelloggii John C. Roos 1965-6-27 s.n. Riverside Reche Canyon Comment
  UCR260605  Hemizonia kelloggii A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-6 41570 Riverside Peninsular Range, Temescal Valley, large open parcel between Horsethief Canyon Rd. and Hostettler Rd., just south of I-15 392 Comment
  RSA683236  Hemizonia paniculata Scott D. White 2003-12-1 9890 Riverside Santa Ana River Valley; City of Riverside; (La Sierra area). 244 Comment
  UCR112754  Hemizonia paniculata A. C. Sanders 1997-11-25 21626 Riverside Skinner/Domenigoni region, S of Hemet, Eastside (Diamond Valley) Reservoir, Nicholson Ranch site, just below water line of reservoir under construction, east end of south side of Diamond Valley, c. 2/3 of the way from west dam to east dam 503 Comment
  POM12001  Hemizonia pungens subsp. laevis Mary F. Spencer 1921-5-29 933 Riverside San Jacinto 549 Comment
  UCR110917  Hemizonia pungens subsp. laevis A. C. Sanders, K. C. Rose 1999-6-18 22816 Riverside Domenigoni Valley, upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, south of Winchester 433 Comment
  UCR116951  Hemizonia pungens subsp. laevis A. C. Sanders, T. B. Salvato 2001-5-3 24119 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR181160  Hemizonia pungens subsp. laevis R. E. Riefner Jr. 2005-8-28 05- 648 Riverside Peninsular Range, SE of Lake Elsinore toward Wildomar, Corydon Rd. at Union St. 394 Comment
  UCR252651  Hemizonia pungens subsp. laevis T. B. Salvato, Matthew Malle 2013-4-2 7492 Riverside Perris-Aguanga Basin, Wildomar, c. 2 mi east of Lake Elsinore, west side of Mission Trail, north of Victorian Lane 387 Comment
  RSA377053  Hesperocallis undulata N. C. Cooper 1949-4-8 3291 Riverside Blythe. 259 Comment
  HSC85437  Hesperocnide tenella Steve Boyd 1986-4-2 1598 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  SD152737  Hesperocnide tenella Steve Boyd, Tim Ross, Dave Bramlet 1993-5-12 7359 Riverside S Santa Ana Mtns,San Mateo Cyn Wild.Area,San Mateo Cyn,stream&adj.benches&lower slopes frm confl.w/Los Alamos Cyn downstream to confl. w/Tenaja Cyn. in understory dense,mesic chaparral on steep slope,SW of Fisherman's Camp,confl.San Mateo&Tenaja Crks. 366 Comment
  UCR234753  Heteromeles arbutifolia A. C. Sanders, John F. Green 2012-6-25 40302 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, benches south of I-15 and east of Horsethief Canyon Rd. 419 Comment
  HSC104168  Heterotheca sessiliflora A. C. Sanders, T. B. Salvato 2014-7-2 41156 Riverside San Jacinto Mtns.: Forbes Canyon, ~0.5 mi. S of Forbes Ranch along Forbes Ranch Rd. 1555 Comment
  RSA432773  Hibiscus denudatus M. B. Dunkle 1935-4-17 4548 Riverside East of Wiley Well, Colorado Desert. Comment
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Dec 14 2011
  UCR19102  Hibiscus denudatus John C. Roos, Lucille Roos 1949-4-6 4145 Riverside Sonoran (Colorado) Desert, Canyon in the Orocopia Mountains, 2.5 mi. NE of Dos Palmas Spring 152 Comment
  HSC34760  Hilaria rigida R. E. Cooksey Mar 1974 201 Riverside Chino Canyon below Palm Springs Tramway; San Jacinto Mtns. 381 Comment
  SEINET10926756  Hilaria rigida Charles L. Hitchcock 1940-4-3 Hitchcock 5934 Riverside 11/2 mi. northeast of Cottonwood Spring along 29 Palms Road, Joshua Tree Nat. Monument. Comment
  CAS-BOT-BC206376  Hoffmannseggia microphylla Alice Eastwood 1913-4-30 3072 Riverside Palm Springs Comment
  SBBG68865  Hoffmannseggia microphylla L. Rowntree -May-1930 Riverside Fish Traps, Colorado Desert Comment
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Feb 3 2011
  SEINET5554662  Hoffmannseggia microphylla T. R. Van Devender, R. K. Van Devender. 1986-1 86 -207 Riverside Cactus City Rest Area Interstate Highway 10 about 23 miles east of Indio. Comment
  SEINET953937  Hoffmannseggia microphylla Unknown 1930-1 190 Riverside Near Shave's Well. Comment
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Aug 4 2013
  UCD105851  Hoffmannseggia microphylla Richard Bates 1949-4-28 s.n. Riverside Cathedral city, southeast of Palm Springs. Comment
  UCSB37863  Holocarpha virgata Clarke, Oscar 1971-11-14 Riverside Mesa de Colorado on the Santa Rosa Plateau, near Santa Rosa Ranch; ~8 mi. West of Murietta; just N of San Diego County line 626 Comment
  SD186088  Holocarpha virgata subsp. elongata A. C. Sanders, Mike Misenhelter 2004-10-6 28826 Riverside Hill 2139 at west end of the Mesa De Colorado, private land on the west side of Vioa Volcano adjacent to the Santa Rosa Plateau Ecol. Reserve. 640 Comment
  CAS-BOT-BC150023  Holodiscus discolor var. discolor H. M. Hall 1901-7-1 2465 Riverside [Tauquitz] Tahquitz Valley 2560 Comment
  UCR121812  Hordeum depressum A. C. Sanders, Carolyn Washburn 2001-4-17 24063 Riverside San Jacinto Valley, southwest edge of Hemet, NW of intersection of Stowe Rd. and California Av., 2 miles NE of Winchester 457 Comment
  RSA731978  Hordeum intercedens A. C. Sanders 2008-4-15 34886 Riverside Peninsular Range: NE edge of city of Elsinore, off Nichols Rds. along Baker St. near Durant Siding. 383 Comment
  UCR123694  Hordeum intercedens D. E. Bramlet 1998-4-22 2602 a Riverside Peninsular Range, E. French Valley-Domenigoni Valley. 396m E. of Winchester Road and 1.68 km south of Holland Road. The meadow is 61m west of the San Diego canal, in the area of the canal bridge road. 450 Comment
  UCR91873  Hordeum intercedens A. C. Sanders, K. D. Jones, D. Malueg 1996-4-20 18046 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  UCR264750  Hordeum murinum Steve Boyd, Carol Boyd 2011-3-15 12304 Riverside Peninsular Ranges, Santa Rosa Mountains region., Western base of Eisenhower Mountain, southeast of The Living Desert at mouth of Deep Canyon. 366 Comment
  UCD86471  Hordeum murinum subsp. leporinum Robert F. Thorne; Drs. Fosberg, Sachet, and Herbst 1983-4-23 55420 Riverside San Bernardino Mountains. Mouth of Whitewater Canyon, E of Whitewater Post Office at S end of ridge. In sandy wash E of bridge and on base of W-facing slope of ridge. 411 Comment
  CAS-BOT-BC148568  Horkelia clevelandii Marcus E. Jones 1924-8-30 s.n. Riverside Tahquitz Trail Comment
  RSA89546  Hulsea heterochroma E. K. Balls, P. C. Everett 1953-7-1 18346 Riverside 5 miles NW of Idyllwild on road to Banning. 1524 Comment
  RSA720463  Hulsea vestita subsp. callicarpha Naomi Fraga, Bryan Carey 2006-6-1 1688 Riverside Near Morris creek on a 4W drive trail, ca. 1/2 mile SW of Tripp Meadow. 1585 Comment
  SD139749  Hulsea vestita subsp. callicarpha Darley F. Howe 1941-6-9 1281 Riverside San Jacinto Mountains Comment
  UC32858  Hulsea vestita subsp. callicarpha H. M. Hall 1901-7-1 2334 Riverside vicinity Deer Springs; San Jacinto Mts. 2743 Comment
  UCR55320  Hulsea vestita subsp. callicarpha Kathy Harper 1988-6-11 s.n. Riverside San Jacinto Mtns., On Thomas Mtn Rd., south of Thomas Mtn. Lookout. Comment
  OBI37561  Hydrocotyle ranunculoides Steve Boyd 1985-8-7 1107 Riverside Santa Rosa Plateau region, NW base of Redonda mesa on Tenaja Rd, 0.8 mi E ofjtn with 8S01 and 8S02 Comment
  RSA335008  Hydrocotyle ranunculoides Steve Boyd 1985-8-7 1107 Riverside Santa Rosa Plateau Region, NW base of Redonda Mesa on Tenaja Road, 0.8 mile east of jct with 8S01 and 8S02. Comment
  SD122933  Hydrocotyle ranunculoides Steve Boyd 1985-8-7 1107 Riverside Santa Rosa Plateau, northwest base of Redonda Mesa on Tenaja Road, 0.8 miles east of junction with 8S01 and 8S02. Comment
  RSA696755  Hymenoclea salsola J. R. Bruff 1922-04 s.n. Riverside Palm Springs. Comment
  RSA703812  Hymenoclea salsola var. salsola LeRoy Gross 2005-3-3 1596 Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W 207 Comment
  UC872028  Hypericum formosum var. scouleri I. W. Clokey and E. G. Anderson 1935-8-21 6751 Riverside N. Fork San Jacinto R. 1500 Comment
  UC1931097  Hypericum scouleri Scott D. White, Justin Wood 2008-7-8 12369 Riverside San Jacinto Mountains: Hurkey Creek Watershed - Bonita Vista Rd. ca. 1/2 miles E and W of Hurkey Creek crossing. Comment
  RSA343866  Hypochaeris glabra R. F. Thorne, Walter Wisura, E. W. Lathrop, Sara Meury 1985-5-18 60658 Riverside Santa Rosa Plateau: at edge of Cleveland National forest 610 Comment
  CAS-BOT-BC219768  Hyptis emoryi R. Freeman 1977-3-9 2172 Riverside S-O & Q-O South side of Chuckwalla Mnts. Comment
  RSA167747  Hyptis emoryi Robert F. Thorne, Robert L. Rutherford 1964-4-10 33550 Riverside Palm Springs. 305 Comment
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Apr 25 2011
  RSA420154  Hyptis emoryi H. M. Hall 1902-04 2784 Riverside Coyote canyon 152 Comment
  SD144454  Hyptis emoryi G. K. Helmkamp, E. A. Helmkamp 1998-2-18 2699 Riverside Colorado Desert: Midland Rd, 3.8 mi SE of Midland, Little Maria Mtns. Comment
  UC1547001  Hyptis emoryi Leila M. Shultz and John S. Shultz 1985-4-18 8340 Riverside northern extension Chuckawalla Mountains; northern extension Chuckawalla Mountains 182 Comment
  UC400190  Hyptis emoryi Ynes Mexia 1929-2-15 2326 Riverside near Palm Springs (Murray Canyon); , near Palm Springs Comment
  UC472941  Hyptis emoryi M. F. Spencer 1918-4-5 Riverside Palm Canyon; Colorado Desert, Palm Canyon 150 Comment
  UCR120713  Hyptis emoryi Helen Kennedy, T. B. Salvato 2002-2-2 5450 Riverside Western Colorado Desert/ San Jacinto Mtns, Coachella Valley, Agua Caliente Indian Reservation, mouth of Andreas Canyon at Palm Canyon, S edge of Palm Springs between Andreas Cyn. Rd. and water tank on W edge of sec. 2 244 Comment
  SEINET12277045  Hyptis emoryi M. T. Doutt 1931-1 775 Riverside Chino Canyon, Palm Springs Comment
  UC382611  Isocoma acradenia var. acradenia David D. Keck 1926-9-30 263 Riverside near Riverside; Summit of Box Springs Grade Comment
  RSA683230  Isocoma menziesii Scott D. White 2003-12-1 9893 Riverside Santa Ana River Valley; City of Riverside; (La Sierra area). 244 Comment
  UCR112069  Isocoma menziesii var. menziesii Mitch Provance 1999-3-28 1074 Riverside Riverside (Rubidoux), Belltown area, 'gravel pits' just south of 26th St. and Hall Ave. 250 Comment
  RSA234045  Isoetes howellii R. F. Thorne, E. Lathrop 1969-5-19 37974 Riverside Santa Rosa Plateau: Rancho Caifornia, Mesa de Colorado 625 Comment
  JEPS48840  Isomeris arborea Marjorie D. Clary 1932-4-10 898 Riverside Eagle Mountains Comment
  CAS-BOT-BC6218  Ivesia callida Harvey Monroe Hall 1901-8-1 2611 Riverside San Jacinto Mountains, near Tauquitz. 2438 Comment
  SEINET5603624 Image available Jacaranda acutifolia Unknown 1961-1 Unknown Riverside Near Citrus Experimental Station, UCR Campus Comment
  UCR58878  Jepsonia parryi Scott D. White 1989-10-27 s.n. Riverside Murrieta Hot Springs area: east of 215 near Adobe Springs Road. Comment
  CAS-BOT-BC133230  Juglans californica D. E. Bramlet 2003-5-28 3454 Riverside San Gorgonio wash, along dirt road to MWD tailings site. The site is 1768m south of Cabazon, and 762m north of the Colorado aqueduct 535 Comment
  UCR281225  Juglans hindsii Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-28 317- 57 Riverside Temescal Valley, Southern foot of the Gavilan Hills, Temescal Wash, N side of Temescal Canyon Road, along 'Zeigler's Rd. 360 Comment
  RSA614104  Juglans nigra A. C. Sanders, T. Tennant 1997-11-14 21601 Riverside San Bernardino Mtns: Morongo Indian Reservation, sag pond at SE end of Burro Flats. 1110 Comment
  RSA0065462  Juncus D. B. Dunn 1948-2-21 3689 Riverside Pushawalla. Comment
  RSA0121457  Juncus acutus subsp. leopoldii Duncan S. Bell, LeRoy Gross 2016-3-30 9137 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.75 air miles southeast of the summit of Martinez Mountain. 698 Comment
  RSA713786  Juncus bufonius A. C. Sanders, Kelly Volansky 2005-3-17 29224 Riverside Perris-Aguanga Basin Region: French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., ca. 0.5 mi. NE of Adobe Springs, near San Diego Aqueduct. 412 Comment
  RSA719519  Juncus bufonius Naomi Fraga, et al. 2006-7-11 1725 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  UCR174315  Juncus bufonius A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32678 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., near stream crossing of dirt road 549 Comment
  UCR202245  Juncus bufonius Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  RSA741016  Juncus effusus Scott D. White, Justin M. Wood 2008-6-18 12233 Riverside K Flat Meadow. 1433 Comment
  UC1971605  Juncus longistylis Scott D. White 1998-7-31 6952 Riverside IDYLLWILD AREA: Strawberry Creek between crossing at Circle Dr. and Humber Park. Comment
  RSA289846  Juncus rugulosus B. A. Prigge 1980-9-17 4062 Riverside Coachella Valley Stormwater Channel: E of Munroe St., Indio. -3 Comment
  POM259178  Juncus saximontanus Phillip A. Munz 1938-8-13 15324 Riverside Cedar Spring, north base of Santa Rosa Peak. 2287 Comment
  JEPS63873  Juncus textilis unknown Riverside Coahuilla Valley region Coahuilla Valley Comment
  UCR201854  Juncus torreyi Justin M. Wood 2008-9-30 170 Riverside SW Perris Basin, Temecula/Murrieta Creek, downstream of 1st Street bridge 305 Comment
  JOTR35511  Juncus xiphioides La Doux, Tasha, M. Harding, K. Callahan, D. Shade, M. Wheeler, T. Herskovits 2013-6-5 3198 Riverside Joshua Tree National Park. Little San Bernardino Mtns, lower Smithwater Canyon 1219 Comment
  UCR109745  Juncus xiphioides T. W. Fisher 1969-6-18 s.n. Riverside Peninsular Range, Temecula area, Vail Lake 457 Comment
  JEPS9191  Justicia californica W. L. Jepson 1927-4-12 11674 Riverside Painted Canyon, Mecca Hills Mecca Hills, Painted Canyon 76 Comment
  RSA487532  Justicia californica B. Pitzer 1988-3-10 640 Riverside Chuckwalla Mountains. W side of mountains, on gas line road ca. 1.5 mi north of intersection with Red Cloud Mine Road (and wash); ca. 2 miles (airline) S of Highway I-10. (Red Cloud Road. 10 km cell; PH-2N, 3E) 488 Comment
  UC68703  Justicia californica H. M. Hall Apr., 1905 5776 Riverside 10 mi. w. Coachella; Colorado Desert 91 Comment
  UCSB6232  Justicia californica Haller, John 1960-4-2 Riverside North side of U.S. 60-70 miles W. of the south enterance road to Joshua Tree National Monument about 22 miles east of Indio 487 Comment
  OBI32614  Keckiella antirrhinoides Larry Cohen 1969-5-8 s.n. Riverside 4.5 mi S of Barton Rd on Reche Cyn rd dirt road 100 yds beyond Melody Ranch, S side of road 457 Comment
  RSA424827  Keckiella antirrhinoides E. Mannatt 1931-4-19 s.n. Riverside Hemet Comment
  UCD123744  Keckiella antirrhinoides B. Pitzer 1988-3-12 665 Riverside Santa Jacinto Mountains, on Hwy 74, just east of Cranston Forest Station, between Valle Vista and Mountain Center. 609 Comment
  JEPS13633  Keckiella ternata Peter Kamb 1948-7-4 1184 Riverside below Barton Lookout (Banning-Idyllwild road); San Jacinto Mts. 1158 Comment
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May 24 2012
  NY790419  Keckiella ternata subsp. ternata G. D. Wallace 1966-7-3 647 Riverside San Jacinto Mountains, near Idyllwild Comment
  RSA293260  Keckiella ternata subsp. ternata D. C. Michener 1980-6-11 3676 Riverside Thomas Mtns. Semi-open chaparral Pinus transition ca 1.7 mi. along Thomas Mtn road [6S13] from jct with CA 74 near Lake Hemit. 1450 Comment
  RSA0019429  Keckiella ternata subsp. ternata Philip A. Munz 1922-6-27 5852 Riverside Santa Rosa Mountains. 2012 Comment
  UC149782  Koeleria macrantha H. M. Hall 1902-4-26 2976 Riverside vicinity of Riverside Box Spr. Mt. 685 Comment
  UCD86080  Koeleria macrantha F. M. Reed 1920-6-14 4419 Riverside San Jacinto Mts., Banning Road west of Idyllwild. 1676 Comment
  LA45680  Krameria bicolor Virginia Mars; 1951-5-27 sn Riverside San Jacinto Mountains, Highway 74, desert at base of mountains Comment
  SBBG24914  Krameria bicolor D. Myrick 1966-4-1 1348 Riverside adjoining Linda Vista Lodge, Desert Hot Springs Comment
  LA45697  Krameria erecta J. A. Ewan; 1931-4-4 4141 Riverside McCoy Mountains Comment
  RSA273332  Krameria erecta J. P. Smith, J. O. Sawyer 1973-6-10 6885 Riverside Joshua Tree National Monument. Comment
  UCR202038  Krameria grayi Denise Woodard 1998-6-11 s.n. Riverside Sonoran (Colorado) Desert, base of Santa Rosa Mtns. at mouth of Cathedral Canyon, border between Rancho Mirage and Cathedral City, site of proposed Ritz-Carlton Rancho Mirage/ Cathedral Canyon Golf Course 305 Comment
  RSA510312  Lactuca serriola Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca. 1 mi SE of town on Nuevo. 640 Comment
  RSA522307  Lactuca serriola Steve Boyd 1989-7-9 3777 Riverside City of Riverside, 4863 Rubidoux Ave. Comment
  UCR121822  Lactuca serriola A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24604 Riverside Mojave Desert, Little San Bernardino Mtns, Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1372 Comment
  RSA596115  Lactuca serriola D. L. Banks 1996-11-7 1198 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, at the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 494 Comment
  SEINET10598982  Lamarckia aurea Charles L. Hitchcock, C. V. Muhlick 1962-3-16 Hitchcock 22152 Riverside Temescal Canyon, ca. 12 miles SE of Corona, on sandy soil, growing with other rank annuals. Comment
  RSA469610  Langloisia setosissima subsp. setosissima T. W. Minthorn 1926-5-13 14832 Riverside East of Banning Comment
  RSA0084167  Langloisia setosissima subsp. setosissima Steve Boyd, Orlando Mistretta 1986-3-13 1456 Riverside West side Palen Mts.: NE of Desert Center. Comment
  CDA43467  Laportea aestuans Chandler & Mellor 2015-11-13 PDR# 331 P06143073-2 Riverside Menifee; Ramirez Foliage, 32883 Ascot Way. 0 Comment
  RSA0077529  Larrea divaricata G. Wallace 1964-5-23 s.n. Riverside Anza-Borrego Desert. Comment
  RSA678448  Larrea tridentata Steve D. Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10447 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
  RSA699275  Larrea tridentata W. Marquart 1938-3-12 s.n. Riverside Along road to Wiley's Well. Southwest of Blythe. Comment
  RSA784957  Larrea tridentata Duncan S. Bell 2012-2-12 3115 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  UCR75054  Larrea tridentata A. C. Sanders, E. J. Lawlor 1992-4-4 12096 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  CAS-BOT-BC338914  Lasthenia californica A. C. Sanders; K. C. Rose 1998-5-21 21863 Riverside Hemet: alkaline flats west of town, E of the canal, S of Hwy 74 (Florida) and ca. 1/4 mi. W of Warren Rd. 457 Comment
  CAS-BOT-BC338916  Lasthenia californica A. C. Sanders; S. Hawkins 1996-4-24 18078 Riverside San Bernardino Mtns.: Morongo Indian Reservation, vicinity of natural pond & bog at SE edge of Burro Flats 1160 Comment
  POM8719  Lasthenia californica P. A. Munz 1920-4-11 3806 Riverside Santa Ana River Canyon, near Rincon. 305 Comment
  SD140184  Lasthenia californica A. C. Sanders 1993-4-5 13694 Riverside Western edge of Hemet, along south side of Devonshire Avenue between Old Warren and Warren Roads, southwest of Tres Cerritos and north of Florida Avenua (Hwy 74). 459 Comment
  RSA543159  Lasthenia coronaria Steve Boyd, Tim Ross, Mike Hammitt 1991-5-2 6089 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  UCR162885  Lasthenia glabrata subsp. coulteri Fred M. Roberts 2005-3-3 6134 Riverside San Jacinto Valley, San Jacinto, south side of Ramona Expressway, 0.6km E jct Warren Rd 447 Comment
  UCR95381  Lasthenia glabrata subsp. coulteri Steve Boyd, D. Bramlet 1996-4-19 8614 Riverside San Jacinto Valley, c. 2 air mi NE of Winchester and 0.5 mi west of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Ave., north of Stetson Ave, west of Metropolitan WAter District canal. 457 Comment
  RSA198969  Lasthenia gracilis R. F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37443 Riverside Santa Rosa Plateau: Mesa de Colorado 671 Comment
  RSA585980  Lasthenia gracilis Adree M. Desrochers 1990-4-19 472 Riverside Near Lake Matthews, along Cajolco Road, on hills on the N side of road, 5.3 km E of intersection Hwy 15 and Cajalco Road Comment
  UC62982  Lasthenia gracilis H. M. Hall 1902-4-7 2753 Riverside vicinity of Riverside (Alessandro) 426 Comment
  UCR16886  Lasthenia gracilis J. Texera 1970-4-30 15 Riverside San Jacinto Mtns, 1 mi above Lake Hemet, just off Hwy 74 1341 Comment
  RSA25609  Lathyrus vestitus subsp. alefeldii C. B. Wolf 1941-6-29 10925 Riverside 2 4/10 mi. W of Dripping Springs Forest Service Camp on Rd. between Aguanga & Temecula. 457 Comment
  SD137783  Lathyrus vestitus var. alefeldii Darin L. Banks 1995-4-5 144 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove, west of the Dripping Springs Trail 651 Comment
  RSA126657  Layia glandulosa Peter H. Raven 1958-5-18 12968 Riverside 2.3 miles from Mountain Center on road to Hemet, San Jacinto Mountains. Comment
  JOTR01271  Layia glandulosa Cole, James E. 1941-3-30 455 Riverside Joshua Tree National Park. COTTONWOOD SPRING WASH 762 Comment
  CAS-BOT-BC249032  Layia platyglossa A. C. Sanders; Nathan Moorhatch 2011-3-22 38796 Riverside Peninsular Range; Perris-Aguanga Basin: Romoland in Menifee Valley, powerline route along McLaughlin Rd. between Palomar Rd. and San Jacinto Rd. 442 Comment
  UCR114018  Layia platyglossa Mitch Provance 2000-4-8 2008 Riverside Jurupa Mountains, S extension of 'Rattlesnake Mt.', <100 m west of peak 1739. 518 Comment
  UCR20179  Layia platyglossa Jeanine Derby 1976-5-18 s.n. Riverside Peninsular Range; San Jacinto Mtns., across Hwy 74, from Lake Hemet Store, north side of highway 1982 Comment
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Jan 8 2013
  CAS-BOT-BC379632  Layia platyglossa H. M. Hall 1901-6-1 2023 Riverside San Jacinto Mountains, Southern California 1371 Comment
  CAS-BOT-BC274339  Leersia oryzoides A. C. Sanders; O. F. Clarke; C. N. P. S. field trip 1991-10-5 11740 Riverside Riverside, Fairmont Park. Along Spring Brook between Lake Evans and the Santa Ana River, ca. 50-100 m below the lake Comment
  SD181796  Lemna Scott D. White 2001-6-29 8626 A Riverside Menifee Valley: Ca. 1.4 miles southwest of the I215/Newport Road Interchange, northwest of the intersection of Holland Road and Bradley Road. 438 Comment
  RSA376133  Lemna gibba Robert F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61279 Riverside Sandia Canyon, De Luz-Murrieta Road 260 Comment
  UCR201466  Lemna minuta Scott D. White, Justin M. Wood 2008-5-15 11978 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  UCR21964  Lepidium dictyotum var. dictyotum Steve Boyd 1980-5-20 s.n. Riverside Harford Springs County Park, NW corner of the Gaviln Plateau. S fork of the creek, S end of park Comment
  CAS-BOT-BC89434  Lepidium fremontii Ira L. Wiggins 1937-3-9 8755 Riverside 5 miles west of Shaver's Well. Comment
  RSA49168  Lepidium lasiocarpum P. A. Munz 1949-4-13 13 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
  SBBG2528  Lepidium lasiocarpum var. lasiocarpum H. and M. Dearing 1942-1-17 4789 Riverside Cathedral City Comment
  UC354427  Lepidium lasiocarpum var. lasiocarpum Edmund C. Jaeger 1925-12-19 Riverside near Palm Springs; Eagle Canyon Comment
  RSA516883  Lepidium nitidum Steve Boyd 1986-3-1 1368 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park. 640 Comment
  UCR225593  Lepidium nitidum A. C. Sanders, T. B. Salvato 2011-3-29 38885 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor between Byers St. at west end of McLaughlin Rd. and Wheat St. 447 Comment
  UCR199740  Lepidium pinnatifidum Scott D. White, Justin Wood 2008-6-24 12285 Riverside Beaumont Badlands, San Timoteo Canyon, meadow along San Timoteo Creek 671 Comment
  UCR65295  Lepidium strictum Steve Boyd 1989-5-2 3518 Riverside City of Riverside, Gravel driveway of residence at 4863 Rubidoux Avenue. Comment
  POM139  Lepidium virginicum var. pubescens Street, Durant 1918-5-12 s.n. Riverside San Jacinto River Canyon. Comment
  SD137828  Lepidium virginicum var. pubescens Darin L. Banks, Steve Boyd 1995-5-3 189 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. North slope of Agua Tibia Mountain. East of Dripping Springs Alcove Area, ArroyoSeco 504 Comment
  RSA495440  Lepidium virginicum var. robinsonii Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2967 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  POM31105  Lepidospartum squamatum Marcus E. Jones 1900-7-13 s.n. Riverside Dripping Springs near Temecula. 366 Comment
  UCR2517  Leptochloa uninervia F. M. Reed 1918-10-13 4019 Riverside Menifee Valley 549 Comment
  POM3599  Leptodactylon californicum Robinson, Crocker 1916-3-28 s.n. Riverside Santa Ana Mountains. Comment
  UCR4084  Leptodactylon californicum subsp. leptotrichomum Carole Sims 1965-3-28 s.n. Riverside Santa Ana Mtns., Cleveland National Forest, San Juan Canyon along road between Lion and Bear Canyons 762 Comment
  RSA559959  Leptosiphon androsaceus Steve Boyd, Orlando Mistretta 1992-4-23 7070 Riverside San Mateo Canyon Wilderness Area, along San Mateo Creek from Riverside Co. line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 243 Comment
  POM364534  Leptosiphon ciliatus Elbert Benjamine 1929-5-18 227 Riverside Wooded Mesa. 915 Comment
  RSA262081  Leptosiphon liniflorus E. W. Lathrop 1968-5-22 6945 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  SJSU8710  Leptosiphon nuttallii J. W. Tofflemire 1957-4-18 Riverside 5 mi up Baurista Canyon Rd SE of Hemet 1219 Comment
  SD137678  Leptosiphon parviflorus Darin L. Banks, Steve Boyd 1995-5-3 192 Riverside Agua Tibia wilderness Area; north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA429762  Lesquerella kingii subsp. latifolia E. C. Jaeger 1922-4-1 718 Riverside Chuckwalla Bench, Colorado Desert 366 Comment
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May 29 2011
  UCR201956  Lessingia filaginifolia Yvonne Thompson, G. Nuhn 1998-9-3 s.n. Riverside San Gorgonio Pass, Banning, site of proposed development called 'Sunset Crossing' at NW corner of Sunset and Westward Aves., between Sunset and Highland Home Rd., N of Westward 756 Comment
  UCR41320  Lessingia filaginifolia N. M. Fellows 1984-11-12 34 Riverside San Jacinto Mtns., Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mtn. 489 Comment
  UC1979598  Lessingia filaginifolia var. filaginifolia D. L. Banks, Steve Boyd 1995-10-17 0763 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E. Comment
  CAS-BOT-BC339370  Lessingia glandulifera var. glandulifera John F. Emmel 1970-9-24 328 Riverside Highway between Idyllwild and Mountain Center, San Jacinto Mts. 1524 Comment
  MACF014189  Libocedrus decurrens Richard Walker 1967-9-30 101 Riverside South side of spillway ca. 20 yds. from Hiway. 1584 Comment
  UCR117309  Lilaea scilloides A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 741 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR77689  Linanthus androsaceus subsp. luteolus Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6149 Riverside Peninsular Range; Santa Ana Mountains, south side of Elsinore Peak 1067 Comment
  RSA652821  Linanthus aureus Colleen Callan 1992-4-25 5 Riverside Yucca Valley. 10 freeway east to Highway 62 east. North on Hwy 247. West on Pipes Canyon Road for Five miles. 1250 Comment
  UC665604  Linanthus aureus subsp. decorus Annie M. Alexander and Louise Kellogg 1941-5-15 2173 Riverside n base Eagle Mountains; Colorado Desert 883 Comment
  CHSC1260  Linanthus californicus E. Thomas 1940-4-14 Riverside Ortega highway. Comment
  RSA651711  Linanthus californicus Diane M. Ramirez 1983-5-1 6 Riverside Mellor Ranch Road, 4 mi S of junction with CA Hwy 243, S of Banning. Comment
  UC23484  Linanthus dianthiflorus A. J. McClatchie 1892-4-26 35 Riverside near Elsinore Comment
  RSA775385  Linanthus jonesii Duncan S. Bell 2011-4-10 2245 Riverside Northwest side of the Arica Mountains; northwestern section of project area; collecting in a large wash approximately 3.5 air miles south of Highway 62. 299 Comment
  CLARK-A1528-3482  Linanthus nuttallii subsp. floribundus John C. Roos 1962-5-19 Riverside Santa Ana Mountains Comment
  SDSU3164  Linanthus nuttallii subsp. floribundus Stan Mather 1938-5-13 Riverside Lake Elsinore Grade. Comment
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Jul 8 2009
  RSA0010979  Lithophragma affine Scott D. White, Angelia Carey 2004-4-5 9990 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  POM153404  Lobelia cardinalis subsp. graminea P. A. Munz, I. M. Johnston 1928-9-12 11303 Riverside 2 miles S of Murrieta. Comment
  CSUSB1428  Lobularia maritima Annette Price 1962-3-31 012 Riverside Growing along road through Citrus Experiment Station, just past station at the curve in the road, UCR campus, Riverside. 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
  UCR116803  Loeflingia squarrosa A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23933 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  UCR213617  Loeflingia squarrosa A. C. Sanders, Matthew Malle 2010-4-23 38011 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  JOTR35278  Loeseliastrum matthewsii Andre, Jim 2012-4-16 20977 Riverside Joshua Tree National Park. along Cottonwood Spring Road, approx. 6 mi. south of the North Entrance at Twin Tanks parking area. 1196 Comment
  JEPS69808  Loeseliastrum schottii W. L. Jepson 1901-5-22 1360 Riverside Palm Canyon of Mt.San Jacinto (to Van de Venter's) Comment
  SEINET3141203  Loeseliastrum schottii R. W. Spellenberg, N. Zucker 2001-3-25 13181 Riverside Box Canyon 8 km E of valley edge E of Mecca 140 Comment
  UCR183028  Lolium perenne subsp. multiflorum Mitch Provance 2001-4-21 2976 C Riverside San Bernardino Valley, Sunnyslope, west side of Sierra Blvd., along sidewalk adjacent to the golf course 335 Comment
  RSA736304  Lolium rigidum Scott D. White, Justin M. Wood 2008-5-13 11951 Riverside I-215 freeway right of way. South of Scott Rd. Comment
  RSA587146  Lomatium lucidum D. L. Banks, S. D. Boyd 1995-6-2 557 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail just N of the Riverside County boundary, W of the peak '3790., On the boundary of sections 32 & 33. 1042 Comment
  POM96253  Lomatium lucidum E. C. Jaeger 1925-12-23 s.n. Riverside Aguanga. Comment
  RSA234068  Lomatium vaginatum R. F. Thorne, E. Lathrop, et al. 1969-5-19 37952 Riverside Santa Rosa Plateau: margin of N end of large vernal marsh, Mesa de Colorado, Rancho California. 624 Comment
  POM88181  Lonicera interrupta P. A. Munz, I. M. Johnston 1924-7-26 8710 Riverside South of Banning. 976 Comment
  SD255699  Lonicera subspicata T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3743 Riverside San Jacinto Mountains: San Jacinto River Canyon, along South Fork Trail, halfway between Highway 74 and the bottom of the canyon. 1110 Comment
  UCR26372  Lotus grandiflorus A. C. Sanders 1981-7-11 2207 Riverside San Jacinto Mtns, Live Oak Spring at the head of Live Oak Canyon which is a tributary to Palm Canyon. 1677 Comment
  POM13456  Lotus grandiflorus var. mutabilis P. A. Munz 1922-5-19 5403 Riverside Keen Camp, San Jacinto Mountains 1524 Comment
  RSA715069  Lotus hamatus A. C. Sanders, D. Malueg 2003-5-8 26568 Riverside Perris-Aguanga Basin region: Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek. 396 Comment
  UCR182312  Lotus hamatus Mitch Provance 2003-4-5 6613 Riverside San Bernardino Valley, Jurupa Mountains, Glen Avon, slopes above the northern extreme of Campbell St 274 Comment
  UCR214320  Lotus hamatus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38380 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
  RSA450197  Lotus heermannii J. C. Roos 1952-6-13 5768 Riverside Pigeon Pass. 427 Comment
  RSA552712  Lotus heermannii Steve Boyd, T. S. Ross, Orlando Mistretta 1992-2-25 6681 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Tril from junction 7S04 & 7S01 upstream to southern end of Potrero de la Cienega, but primarily about Tenaja Falls. 396 Comment
  UCR276076  Lotus heermannii T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3798 Riverside San Jacinto Mountains, Rouse Ridge, east of Rouse Hill on 4WD road 2E17 (becoming a foot trail), c. 0.7 mile north of Rouse Ridge Road (5S15), NE of Milky Spring, San Bernardino National Forest 1476 Comment
  RSA406415  Lotus heermannii var. heermannii E. A. McGregor 1964-6-10 s.n. Riverside On Highway 74, west of Elsinor. 914 Comment
  RSA736699  Lotus nevadensis var. davidsonii Scott D. White 2004-4-26 10251 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. 518 Comment
  UC219318  Lotus nevadensis var. nevadensis P. A. Munz 1922-6-27 5851 Riverside Santa Rosa Santa Rosa Mts. 2011 Comment
  UC80942  Lotus nevadensis var. nevadensis A. W. Anthony 1895-7-10 Riverside San Jacinto Mts. 2590 Comment
  POM230750  Lotus oblongifolius I. W. Clokey, E. G. Anderson 1935-8-21 6722 Riverside Fuller's Creek, San Jacinto Mountains 1500 Comment
  UC864854  Lotus oblongifolius var. oblongifolius C. Epling and Wm. Robison 1935-6-30 Riverside between Pine Flat Camp and Fuller's Mill; Mt. San Jacinto Comment
  UCR21997  Lotus purshianus Steve Boyd 1980-7-12 329 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  JOTR31879  Lotus rigidus La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2133 Riverside Joshua Tree National Park. Little San Bernardino Mountains; steep, gravelly, southwest facing slope above fork of Fargo and Rockhouse Canyons Comment
  RSA498786  Lotus rigidus F. W. Peirson 1920-2-16 s.n. Riverside Murray Canyon, Palm Springs region. 274 Comment
  UC1584110  Lotus salsuginosus Steve Boyd, Tim Ross, Laurel Arnseth 1990-3-29 3834 Riverside n side mouth of Temecula Creek Canyon (and adjacent benches of Big Oak Mtn.); Vail Lake Area, Big Oak Mtn. 396 Comment
  UCR158268  Lotus salsuginosus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-4-14 29494 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
  RSA27017  Lotus salsuginosus var. brevivexillus C. L. Hitchcock 1940-3-30 5872 Riverside Cottonwood Spring. Comment
  UC1546723  Lotus salsuginosus var. brevivexillus Barry A. Prigge 1988-2-21 7845 Riverside 2 mi w Clemens Well; Colorado Desert, Orocopia Mountains 228 Comment
  CSUSB1269  Lotus scoparius Sally Bell 1964-5-1 Riverside Highway 60, about 0.5 mile east of the crest of the grade in the Badlands between Sunnymead and Beaumont, on the south side of the road. 914 Comment
  UCR140692  Lotus scoparius subsp. brevialatus A. C. Sanders 2004-5-11 27848 Riverside Elsinore Basin Region, Alberhill Mountain, ridgetop overlooking Walker Canyon and I-15 Fwy 488 Comment
  RSA617163  Lotus scoparius var. brevialatus Scott D. White, M. Jacobsmeyer 1996-4-20 3958 Riverside SW of Perris: Hillside S of the San Jacinto River Channel. 488 Comment
  UCR270748  Lotus scoparius var. scoparius T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8365 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  RSA406316  Lotus strigosus Ora M. Clark 1929-3-2 1599 Riverside Near Alberhill Comment
  RSA778223  Lotus strigosus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy, Naomi Fraga 2011-3-17 776 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. 305 Comment
  RSA779805  Lotus strigosus Duncan S. Bell 2009-3-9 104 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
  SEINET3560021 Image available Lotus strigosus L. R. Abrams 1941-4-23 13928 Riverside White Water Wash, Palm Springs railroad station Comment
  UCR245895  Lotus strigosus R. F. Thorne 1995-3-29 63012 Riverside Transverse Range; San Bernardino Mtns., Whitewater Canyon 600 Comment
  UCR269115  Lotus strigosus Orlando Mistretta, Duncan S. Bell, et al. 2010-4-12 4502 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 526 Comment
  POM12932  Lotus strigosus var. hirtellus P. A. Munz 1922-6-27 5842 Riverside Santa Rosa Mountains, Santa Rosa. 1981 Comment
  RSA523473  Lotus strigosus var. strigosus Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4033 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UC1929817  Lotus strigosus var. strigosus Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10471 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  PASA1119  Lotus tomentellus Frank W. Peirson 1927-4-12 Riverside Painted Canyon, Colorado Desert Comment
  UCR29818  Lotus tomentellus George K. Helmkamp 1983-3-24 383- 18 Riverside Sonoran (Colorado) Desert, north base of the Little Chuckwalla Mountains, 1.5 miles east of Graham Pass Road 336 Comment
  RSA498730  Lotus wrangelianus Mark Morris, Richard C. Barkelew 1929-3-3 13717 Riverside Perris, Riverside Comment
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Nov 9 2011
  RSA608477  Ludwigia peploides subsp. peploides Louis C. Wheeler 1961-6-24 7906 Riverside San Jacinto Mountains: Fulmor Lake. Comment
  SEINET10488451  Lupinus andersonii David B. Dunn 1946-8-17 Dunn 2704 Riverside Trail to taquity from taquity village campground. In dry soil under pines among bracken ferns. 2545 Comment
  POM349946  Lupinus arizonicus L. N. Goodding 1942-2-26 s.n. Riverside Indio region Comment
  RSA414840  Lupinus arizonicus Elizabeth A. White 1928-04 s.n. Riverside Colorado desert near Banning Comment
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Oct 23 2011
  RSA776643  Lupinus arizonicus Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-28 1100 Riverside Alligator ACEC, north side of Chuckwalla Mountains, just south of Desert Center 413 Comment
  UC865464  Lupinus arizonicus Ira L. Wiggins 1937-3-9 8753 Riverside wash 5 mi w Shaver's Well; w of Shaver's Well Comment
  UCR196378  Lupinus arizonicus Naomi Fraga, Lisa Rojas 2005-2-10 1371 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  SD152851  Lupinus bicolor Steve Boyd, Tim Ross 1992-5-5 7227 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern Portions of Oak Flats along the Bluewater Trail 730 Comment
  SD152852  Lupinus bicolor Steve Boyd, Tim Ross 1992-5-5 7229 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, eastern portions of Oak Flats along the Bluewater Trail, grassland at edge of oak woodland 730 Comment
  UC1401245  Lupinus bicolor D. Dunn 1947-3-16 2921 Riverside in Banning Pass 1/2 mi n Cabazon; n of Cabazon in Banning Pass Comment
  UCR116793  Lupinus bicolor A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24153 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  UCR194236  Lupinus bicolor Mitch Provance, Michael L. Fugate 2005-4-14 10057 Riverside San Bernardino Valley, near the water tanks just E of Versity Hill, or what is known locally as Coyote Hill (pk 1386), a few hundred yards SSE of the UCR Campus 396 Comment
  RSA431075  Lupinus bicolor subsp. marginatus David B. Dunn 1949-4-10 5541- 2 -3 Riverside A colony growing 1 mile east of Beaumont on the southside of he highway at Xenica Ave. Comment
  POM184252  Lupinus bicolor subsp. microphyllus Philip A. Munz 1932-3-24 12017 Riverside Corona 366 Comment
  POM97117  Lupinus densiflorus var. lacteus P. A. Munz 1925-5-20 9841 Riverside East of Dripping Springs. 518 Comment
  CAS-BOT-BC216679  Lupinus excubitus subsp. hallii P. A. Munz; I. M. Johnston 1922-5-19 5407 Riverside Above Oak Cliff, San Jacinto Canyon, San Jacinto Mountains Comment
  CAS-BOT-BC216685  Lupinus excubitus subsp. hallii C. B. Wolf 1932-5-25 3693 Riverside 0.25 mile SW of summit of Moreno Grade, Bad Lands SW of Beaumont 670 Comment
  LA205061  Lupinus excubitus var. austromontanus W. Pequegnat; March 1937 125 Riverside Santa Ana Mountains, Coldwater Canyon, E ridge Comment
  RSA502514  Lupinus excubitus var. hallii Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3571 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  RSA572998  Lupinus excubitus var. hallii Steve D. Boyd 1986-4-22 1750 Riverside Temescal Canyon; Stable alluvial benches of Indian wash just S of I-15. Comment
  RSA413694  Lupinus hirsutissimus N. C. Cooper 1944-5-21 1304 Riverside San Jacinto Mtns, West side 1067 Comment
  RSA613661  Lupinus hirsutissimus D. L. Banks, Victor W. Steinmann 1997-3-13 1459 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  RSA114446  Lupinus latifolius subsp. parishii G. R. Campbell 1956-6-11 21613 Riverside Nursery Seedlings growing under Prop. No. 8412, from seed Fuller Mill Creek, 1.3 miles north of Black mountains. trail, hwy from Banning to Idyllwild. Comment
  RSA413773  Lupinus longifolius Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  CLARK-A1528-4988  Lupinus sparsiflorus John C. Roos 1948-4-24 3789 Riverside Cabazon Comment
  JOTR16694  Lupinus sparsiflorus Cole, James E. 1941-5-19 s.n. Riverside Joshua Tree National Park. COVINGTON FLAT CANYON 1402 Comment
  UC865110  Lupinus sparsiflorus Carl B. Wolf 1932-5-25 3669 Riverside Snow Creek Canyon Snow Creek Canyon (No. base of San Jacinto Mts.; 1/2 mi. below fish hatchery); San Jacinto Mts 548 Comment
  UCR241213  Lupinus sparsiflorus Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 50 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Canyon near woodland stand H-02 945 Comment
  CLARK-A1528-2851  Lupinus truncatus John C. Roos 1947-3-15 3326 Riverside Valle Vista Comment
  CLARK-A1656-835  Lupinus truncatus Theo Glenn 1979-4-8 Riverside San Jacinto Mountains Comment
  RSA180413  Lupinus truncatus E. W. Lathrop 1965-5-9 5745 Riverside 6 miles W of Murrieta. Comment
  RSA414399  Lupinus truncatus Christopher Davidson, Robert Gustafson 1977-4-7 5581 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. Hillside, N slope. 610 Comment
  RSA613469  Lupinus truncatus D. L. Banks, Victor W. Steinmann 1997-3-13 1452 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  UCR91641  Lupinus truncatus D. L. Banks, Steve Boyd 1995-5-17 457 Riverside Agua Tibia Mountains, NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn, east of the Dripping Springs Alcove area, west of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. 598 Comment
  JOTR32919  Lycium andersonii Andre, Jim, Tasha La Doux 2009-2-28 10841 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; along Berdoo Canyon Rd, approx. 2.5mi north of JTNP boundary, approx. 5mi north of Dillon Rd. 744 Comment
  UC219228  Lycium andersonii P. A. Munz 1922-4-29 5115 Riverside Agunaga Aguanga 609 Comment
  UCR160093  Lycium andersonii Scott D. White 1999-4-20 7280 Riverside Colorado River Valley, Blythe area, Southern foothills of the Big Maria Mtns, NW of Calif. Hwy 95, c. 7 road mi N of the junction of Hwy 10 and Intake Blvd in Blythe 137 Comment
  UC1004769  Lycium brevipes E. C. Jaeger 1939-12-29 Riverside 5 mi e Indio (Eytel Canyon branching from Fargo Canyon); Fargo Canyon, Eytel Canyon 243 Comment
  UCR269171  Lycium brevipes Duncan S. Bell, Evan Meyer 2014-4-2 6520 Riverside Sonoran (Colorado) Desert, Orocopia Mountains Wilderness Area, southern section of range; c. 1 air mile NW of Canyon Spring 422 Comment
  UCR149982  Lythrum hyssopifolia Scott D. White, Angelia Carey 2004-5-7 10332 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  POM11999  Madia minima Mary F. Spencer 1921-7-1 1675 Riverside Idlewild, San Jacinto Mountains 1616 Comment
  RSA0056000  Malacothamnus densiflorus T. B. Salvato, Matthew Malle 2013-4-5 7512 Riverside Perris-Aguanga Basin: Sedco Hills, dirt extension (SCE powerline access) from Beverly Street east of Crab Hollow Circle. 604 Comment
  UCR19101  Malacothamnus densiflorus John C. Roos 1960-6-5 s.n. Riverside Peninsular Range; Santa Ana Mtns., off the Ortega Hwy, NE slope of Sugarloaf Peak [=Pleasants Peak] 1067 Comment
  RSA586733  Malacothamnus densiflorus var. densiflorus D. L. Banks, Steve D. Boyd 1995-5-17 456 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. 598 Comment
  UCR199616  Malacothamnus fasciculatus Scott D. White, Angelia Carey 2004-7-2 10560 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  POM122196  Malacothrix californica Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild, San Jacinto Mountains Comment
Read comments
Sep 16 2011
  UCR23235  Malacothrix clevelandii J. C. Lyman 1981-5-24 s.n. Riverside San Jacinto Mtns., May Valley Rd. Idyllwild. 1768 Comment
  CAS-BOT-BC347691  Malacothrix glabrata L. R. Abrams 1926-3-25 11048 Riverside Between Banning and Cabazon Comment
  RSA645613  Malacothrix glabrata Scott D. White, Steve Ogg 1994-4-21 1986 Riverside Millard Canyon, near stream crossing w/ USFS Road 2S05, +/-4 miles south of Bear Wallow Spring. 915 Comment
  RSA716262  Malacothrix glabrata Scott D. White, Angelia Carey 2004-4-5 9999 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UC68990  Malacothrix glabrata H. M. Hall May, 1905 6028 Riverside near Pinto Mts.; Colorado Desert Comment
  UCR262098  Malacothrix glabrata A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41520 Riverside San Gorgonio Pass, 2.5 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope NE of the water bottling plant, east of Elm St. and south of I-10 483 Comment
  UCR12641  Malacothrix saxatilis Paul Lamos 1972-4-20 042072- 0301 Riverside 2 mi SW hwy 60 on Jack Rabbit trail 610 Comment
  RSA776240  Malacothrix stebbinsii Duncan S. Bell 2010-3-20 599 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  RSA543128  Malosma laurina Steve Boyd 1991-3-17 5470 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
  CAS-BOT-BC376154  Malva parviflora L. Nye; G. Gust 2005-3-11 63 Riverside Lake Elsinore. Intersection of Malaga and Mission Trail Rd. 398 Comment
  SD129568  Marah macrocarpa Steve Myers 1990-3-21 Riverside Santa Rosa Plateau area; along Los Gatos Road 365 Comment
  UCR113207  Marah macrocarpa A. C. Sanders 1998-3-11 21657 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, looking down on San Jacinto Valley between ends of Warren Rd. and Sanderson Ave. 610 Comment
  UCR230205  Marah macrocarpa A. C. Sanders 2011-4-6 38978 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  RSA586050B  Marah macrocarpa var. macrocarpa D. L. Banks, S. D. Boyd 1995-3-30 0131 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, on the Woodchuck Trail. 633 Comment
  POM307224  Marina parryi Henry J. Ramsey, Henry J. Ramsey 1940-4-14 1997 Riverside Colorado Desert, north of Blythe. Comment
  UCR237511  Marina parryi Amber Swanson 2011-3-19 242 Riverside Mojave Desert, west of Eagle Mountain Road to Railroad Tracks c. 5 mi north of Hwy I10 307 Comment
  UCSB22425  Marina parryi Myrick, Donald 1965-3-2 Riverside Desert near Midland, north of Blythe 91 Comment
  RSA91429  Marina parryi F. W. Peirson 1921-3-23 2383 Riverside Deep Canyon Wash, 12 miles southeast of Palm Spring 229 Comment
  RSA33855  Marrubium vulgare H. S. Gentry 1944-4-22 1112 Riverside Banning. 732 Comment
  RSA0119894  Matelea parvifolia Duncan S. Bell, Thomas Stoughton 2016-4-12 9222 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 3.5 air miles southwest of the junction of Agua Alta Canyon and Martinez Canyon. 775 Comment
  CAS-BOT-BC422726  Meconella denticulata Baer 1922-9-1 s.n. Riverside Elsinore Comment
  POM128390  Meconella denticulata Thos. Craig 1927-4-23 219 Riverside Glen Ivy. Comment
  UCR178342  Meconella denticulata Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 1060 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  CLARK-A1528-74  Melica imperfecta C. M. Flanagan 1973-4-14 OO 107 Riverside Sunnymead 609 Comment
  JOTR34160  Melica imperfecta Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 117 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Wide sandy canyon wash (Stop 1) 1149 Comment
  UCR100314  Melica imperfecta B. G. Pitzer 1997-4-20 3170 Riverside Lakeview Mtns, top of the hill on Dutton Street, just east of Horseshoe Trail, at a point c. 0.4 mi. north of Stagecoach Road. 640 Comment
  UCR163584  Melica imperfecta Tracy Tennant 1998-5-27 s.n. Riverside Beaumont Badlands, Dellamont Peak, c. 3.5 miles ESE of Gilman Hot Springs 1159 Comment
  UCR88174  Melica imperfecta Karen Kirtland 1992-5-25 s.n. Riverside San Jacinto River between Nuevo Road and San Jacinto Avenue. 427 Comment
  SDSU13592  Melilotus albus W. Miller, C. Mosse Riverside Comment
  JOTR29286  Menodora scoparia La Doux, Tasha 2003-9-4 1089 Riverside Joshua Tree National Park. Queen Mountain, above Key's Ranch, near old dam Comment
  UC1329996  Menodora spinescens var. mohavensis James E. Cole 1941-4-10 517 Riverside near Twenty-nine Palms Fan boundary; Joshua Tree National Monument Comment
  UCR71616  Mentha aquatica A. C. Sanders, O. F. Clarke & CNPS field trip 1991-10-5 11746 Riverside Santa Ana River Valley, Santa Ana River bottom, Rancho Jurupa Park, Pleasant Acres Lake Comment
  UCR251994  Mentzelia A. C. Sanders, T. B. Salvato 2014-7-2 41158 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  SEINET3004971  Mentzelia affinis G. Rink 2011-3-28 10397 Riverside Desert pavement north of Blythe, east of the McCoy Mtns 115 Comment
  RSA0123351  Mentzelia albicaulis Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9053 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
  UCR232388  Mentzelia desertorum Dave Silverman, Onkar Singh 2010-3-27 7854 Riverside Sonoran (Colorado) Desert, McCoy Wash, N of Palo Verde Mesa, 5.4 km WSW of Mesaville siding, west of A Canal/Levee Blvd, & c. 7.6 km N of Blythe Airport 136 Comment
  UCR26147  Mentzelia desertorum John C. Roos, Lucille Roos 1949-4-9 4208 Riverside Sonoran (Colorado) Desert, near the Riverside Mtns., 30 miles north of Blythe 137 Comment
  RSA0104078  Mentzelia involucrata Duncan S. Bell, Evan Meyer 2014-10-28 7670 Riverside Orocopia Mountains; northwest section of range; approximately 1.8 air miles northwest of the summit of Orocopia Mountain. 936 Comment
  SEINET186303  Mentzelia involucrata Philip A. Munz 1940-3-24 15694 Riverside 3 miles southof Cottonwood Springs, Eagle Mts., 457 Comment
  UCR251916  Mentzelia involucrata Jim Andre 2013-3-27 24817 Riverside NE Colorado Desert, east side of Riverside Mountains, along Hwy 95, 13.2 mi south of Vidal Junction 126 Comment
  POM259710  Mentzelia involucrata var. megalantha P. A. Munz 1940-3-22 15662 Riverside Whitewater Canyon 2 miles north of Banning-Indio boulevard. Comment
  RSA770303  Mentzelia laevicaulis Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4486 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 488 Comment
Read comments
Dec 14 2011
  RSA0127362  Mentzelia longiloba var. longiloba Roxana S. Ferris, R. C. Bacigalupi 1932-4-30 8240 Riverside Highway between Blythe and Desert Center. Comment
  UC19579  Mentzelia micrantha H. M. Hall 1899-6-1 1219 Riverside Riverside, Temecula Creek Comment
  LA212357  Metrosideros excelsa Lee Haines; 1951-5-20 5150 Riverside Palms to Pines Highway. 1158 Comment
  UCR116505B  Microseris douglasii subsp. platycarpha A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 746 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  RSA263703  Microseris heterocarpa E. W. Lathrop 1968-5-8 7023 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  RSA660566  Microseris heterocarpa Starr Streight 1982-4-17 21 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  CLARK-A1528-2179  Microseris lindleyi Charles Herrick 1974-5-16 Riverside 655 Comment
  UCR21294  Microseris lindleyi A. C. Sanders, K. Berg 1980-5-1 1350 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley area, 1.8 mi NE of Kenworthy Ranger Station on Morris Ranch Road 1616 Comment
  UCR214574  Microseris lindleyi A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37855 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
  UCR215509  Microseris lindleyi Daphne K. Christopher, Hannah I. Stevens 2003-4-3 089 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve 536 Comment
  CLARK-A1528-272  Microseris linearifolia C. M. Flanagan 1973-5-31 OO 631 Riverside Morongo Indian Reservation 975 Comment
  JOTR32028  Mimulus aurantiacus Herskovits, Tasya & Harding, Mitzi 2011-4-28 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mtns, Queen Valley; east side of Lost Horse Rd.; west facing side of boulder outcrops 1243 Comment
  UC1039776  Mimulus aurantiacus var. pubescens Herbert L. Mason 1926-5-2 3190 Riverside Aguanga Valley Comment
  POM305379  Mimulus aurantiacus var. puniceus Henry J. Ramsey, Henry J. Ramsey 1938-5-4 639 Riverside Elsinore Comment
  RSA488927  Mimulus aurantiacus var. puniceus Bill Wagner 1988-4-12 s.n. Riverside Approx. 1/2 mile SW of town of Temecula, S of Rancho CaliforniaRoad and Buisness Park Drive. 335 Comment
  RSA444559  Mimulus bigelovii var. bigelovii Walter Wisura 1988-3-13 4204 Riverside Box Canyon. Comment
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Nov 3 2011
  UCD122473  Mimulus bigelovii var. bigelovii P. C. Everett; E. K. Balls 1958-4-29 23017 Riverside U.S. Hwy. 60/70, Indio to Blythe, 1 mi. w. of Cactus City. 548 Comment
  UCR35246  Mimulus brevipes L. B. Ziegler 1967-5-18 127 Riverside San Jacinto Valley, side canyon off lower Bautista Canyon 534 Comment
  UC27106  Mimulus breweri H. M. Hall July 1901 2346 Riverside Tamarack Valley San Jacinto Mountains 2438 Comment
  RSA296183  Mimulus floribundus Barry A. Prigge 1980-8-5 3821 Riverside Whitewater Canyon; 0.5 mile N of trout farm. 701 Comment
  RSA583739  Mimulus floribundus Steve Boyd 1995-4-24 8492 Riverside Palomar Range, Agua Tibia Wilderness Area, northeastern base of Wildhorse Peak, west of Devil's Hole, along Wildhorse Trail near the rounded gabbro peak known as 'Agua'. 762 Comment
  RSA757743  Mimulus fremontii LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4351 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
  UCR193126  Mimulus fremontii A. C. Sanders, Tim Thomas 2008-6-20 35535 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  LA209759  Mimulus fremontii var. fremontii Norman C. Cooper; 1944-5-21 1224 Riverside San Jacinto Mtns., W side 914 Comment
  SBBG47460  Mimulus guttatus N. C. Cooper 1944-5-6 1211 Riverside Whitewater Cyn, Whitewater River 457 Comment
  UC922770  Mimulus nasutus Annie M. Alexander and Louise Kellogg 1940-3-21 885 Riverside 20 mi s Twenty Nine Palms (at base of Barker Dam); Mohave Desert 1322 Comment
  JEPS3007  Mimulus palmeri Frank W. Peirson 1929-5-4 Riverside summit St. John's Grade 792 Comment
  JOTR34166  Mimulus parishii Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 123 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Pinyon Well; Riparian area near small series of active springs and seeps (Stop 2) 1182 Comment
  UC27007  Mimulus tilingii H. M. Hall 1897-7-22 709 Riverside San Jacinto Mt. 2743 Comment
  UCR104012  Mirabilis bigelovii George K. Helmkamp 1998-4-4 3131 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  UCR89536  Mirabilis bigelovii Bern Schwenn 1994-4-9 s.n. Riverside southern Mojave Desert, Little San Bernardino mtns, Joshua Tree National Monument [now National Park]: 'Hidden Gold' Canyon below the Hidden Gold Mine 1116 Comment
  UCR4473  Mirabilis bigelovii var. retrorsa Frank C. Vasek 1960-3-17 600317- 11 Riverside Sonoran (Colorado) Desert, Morongo Canyon, E side of the road on hill at mouth of canyon, 4.5 mi NW of Desert Hot Springs 579 Comment
  UCR21136  Mirabilis californica 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
  JEPS61337  Mirabilis laevis W. L. Jepson 1927-4-14 11707 Riverside Silent Canyon, SE end of Santa Rose Moutains 304 Comment
  RSA0027989  Mirabilis laevis var. crassifolia Lydia Paneri 1982-4-17 63 Riverside Flat field south of Cajalco Road, 0.3 miles east of La Sierra Hwy. Comment
  POM14052  Mirabilis laevis var. retrorsa P. A. Munz, D. D. Keck 1922-4-14 5008 Riverside East of Whitwater Ranch 213 Comment
  POM243648  Mirabilis laevis var. villosa E. C. Jaeger 1938-5-20 s.n. Riverside Thousand Palms canon. 1220 Comment
  JOTR34038  Mohavea confertiflora La Doux, Tasha, M. Harding 2010-4-7 2921 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; in upper reaches of side canyon, approx. 1 mile north of park boundary Comment
  UCR102915  Mohavea confertiflora George K. Helmkamp, E. A. Helmkamp 1998-2-5 2659 Riverside Sonoran (Colorado) Desert, Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  UC1499820  Monardella nana Elizabeth McClintock 1941-7-21 123 Riverside San Jacinto Mts. Trail to Hidden Lake, a short distance below Willow Creek. Comment
  RSA651093  Monardella nana subsp. arida Harold Lint 1958-5-25 2033 Riverside East of Pinyon flats campground. Pines to Palms Hwy [Hwy 74]. Comment
  RSA651654  Monardella nana subsp. arida Elizabeth McClintock, M. McClintock, D. Weiner 1941-7-11 103 Riverside Black Mnt, 0.5 mile beyond Black Mnt Spring. Comment
  SEINET1910804  Monardella nana subsp. arida E. McClintock, H. Lewis 1941-1 76 Riverside Road up Santa Rosa Mt. 1/2 mile beyond canyon where stream crosses road. Comment
  UCR114631  Monardella nana subsp. arida 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
  RSA282904  Monardella nana subsp. tenuiflora C. W. Tilforth 1980-7-15 2075 Riverside South of Thomas Mountain Campground along Thomas Mountain Road, south of Lake Hemet & west of Highway 74. Comment
  RSA750304  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-17 119 Riverside San Jacinto Mts. Trail to Suicide Rock. Comment
  UC1499816  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-17 119 Riverside trail to Suicide Rock (at the stream which crosses the trail, a short distance beyond the forks); San Jacinto Mts. Comment
  UC1499914  Monardella nana subsp. tenuiflora E. McClintock, H. Lewis 1941-6-22 70 Riverside Stone Creek Banning-Idyllwild road Comment
  UCR221476  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-15 114 Riverside Peninsular Range; San Jacinto Mtns., on slope south of Strawberry Creek, and west of Domengonio [Domenigoni] Flats [vicinity of West Ridge, near Camp Emerson & USC Idyllwild campus] 1646 Comment
  UCR35334  Monardella nana subsp. tenuiflora Geraldine Regur 1978-7-14 593 Riverside San Jacinto Mtns, Flats in the Strawberry Valley above Idyllwild. 1707 Comment
  CAS-BOT-BC220423  Monardella robisonii K. Stolte 1979-9-4 s.n. Riverside Joshua Tree National Monument. Zoo Rock. On the south side of Monument Route 2, +-3.8 miles NW of the entrance to Lost Horse Ranger Station. Collected on the western aspect of Zoo Rock Comment
  JOTR30839  Monardella robisonii La Doux, Tasha, Jim Andre 2008-9-16 349 Riverside Joshua Tree National Park. JTNP; NE end of Splitrock Picnic Area. Queen Mountain USGS 7.5 min Quad. Near 34 00.534' N 116 03.098' W 1327 Comment
  RSA729264  Monoptilon bellidiforme R. F. Thorne 1973-3-30 42707 Riverside Mojave Desert: southeast end Johnson Valley, c. 20 mi north of Yucca Valley and 12 mi east-southeast of Old Woman Springs. 976 Comment
  RSA0054834  Montia perfoliata Keith E. Hoffmaster 1937-6-6 778 Riverside San Jacinto Mts. Comment
  CAS-BOT-BC274912  Muhlenbergia rigens Peter H. Raven; Sidney R. Snow 1956-6-30 9536 Riverside Dripping Springs Guard Station, Temecula River Comment
  UCR92179  Muilla maritima D. L. Banks, Steve Boyd 1995-5-3 269 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
  UCR114958  Myosurus minimus subsp. apus Fred M. Roberts 1992-4-25 4872 Riverside San Jacinto Valley, Upper Salt Creek Watershed adjacent to Hemet, NW corner of California Avenue and Stowe Road, 3.3km ENE Winchester 455 Comment
  UCR280981  Myosurus minimus var. apus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-10 417- 82 Riverside Elsinore Trough, Baker St., 0.05-0.15 miles SE of Pierce St. [NW edge of city of Lake Elsinore, near Terra Cotta] 384 Comment
  RSA171991  Nama demissa Robert F. Thorne 1963-3-29 32405 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  UCR167391  Nama hispida 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
  POM194892  Nama hispida var. revoluta Roxana S. Ferris 1928-4-22 7188 Riverside Colorado River bottom near Ripley South of Blythe. Comment
  UC1931110  Nasturtium officinale Scott D. White, Justin Wood 2008-6-18 12229 Riverside San Jacinto Mountains: K Flat Meadow. Comment
  UCR206021  Navarretia fossalis Diane Menuz 2009-5-14 497 Riverside Peninsular Ranges: Santa Ana Mountains, Santa Rosa Plateau. Western side of Mesa de Burro, in series of 4 vernal pools 609 Comment
  UCSB41129  Navarretia fossalis Roos, John 1952-5-28 Riverside San Jacinto river bottomland; 1 mile southeast of Perris Comment
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Aug 8 2008
  RSA234039  Navarretia prostrata R. F. Thorne, Lathorp 1969-5-12 37929 Riverside Santa Ana Mountains, Santa Rosa Plateau, Mesa de Colorado, Rancho California 624 Comment
  RSA464362  Nemacaulis denudata var. gracilis George B. Grant 6718 Riverside Palm Springs. Comment
  UCR48526  Nemacladus longiflorus var. longiflorus Steve Boyd 1986-4-19 1700 Riverside Peninsular Range, Temescal Canyon, east side of Indian wash between I-15 and Temescal Canyon Road 351 Comment
  SEINET13681942  Nemacladus orientalis Tina Ayers, Randy Scott 2017-3-19 1920 Riverside Chuckwalla Mountains, ca 8 miles west of Chuckwalla Valley Road on Dupont Road, roadside at edge of wilderness area 152 Comment
  RSA543890  Nemacladus ramosissimus Steve Boyd 1991-5-20 6260 Riverside Temescal Canyon, S flank of Alberhill Mtn, W end adjacent to old clay mine area. 426 Comment
  RSA557727  Nemacladus ramosissimus Steve Boyd, Orlando Mistretta 1992-4-23 7075 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area Western flank of Bluewater Canyon along Bluewater Trail between canyon bottom and southern end of Oak Flats. 488 Comment
  SEINET3815154 Image available Nemacladus rigidus Ira L. Wiggins 1941-3-27 9671 Riverside South end of Coxcomb Mountains 8 miles NE of Desert Center Comment
  SEINET10906123  Nemacladus rubescens Philip A. Munz 1926-1-31 Munz 9979 Riverside Dos Palmos Spring Comment
  SD247444  Nemophila menziesii T. B. Salvato, John Lovio 2013-3-19 7350 Riverside Perris-Aguanga Basin: Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive (Murrieta 7.5'Q) 390 Comment
  UCR166174  Nemophila menziesii John F. Green 2005-2-10 s.n. Riverside Peninsular Range, E of Temecula, Rancho California, SE of intersection of Mesa Verdugo and Calle Vista, N of Pauba Valley and south of Buck Mesa 430 Comment
  UCR140301  Nemophila menziesii var. menziesii A. C. Sanders 2004-4-9 27462 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  RSA747832  Nicotiana obtusifolia Scott D. White, Justin M. Wood 2009-4-29 12623 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  RSA0060153  Nicotiana quadrivalvis Scott D. White, Angelia Carey 2004-7-2 10566 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UCR3337.2  Nicotiana quadrivalvis T. R. Plumb 1964-4-23 s.n. Riverside Box Springs Mtns, Box Springs Mountain, c. 0.5 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] 732 Comment
  UCR87882  Nicotiana quadrivalvis E. N. Anderson 1994-4-20 s.n. Riverside Box Springs Mtns, Two Trees Canyon, above Cassina Spring Comment
  SEINET10546595  Nicotiana trigonophylla Chris Dietrich, Mary Merello; Heidi H. Schmidt 1994-4-12 Dietrich 20 Riverside 9 miles north-northwest of Indio, off Dillon Road 1.9 miles northeast on Berdoo Canyon Road (J241). BLM land. Desert Access Guide Map #17. Along gravelly wash in creosote bush scrub. 380 Comment
  SEINET10389838  Nolina bigelovii A. C. Sanders, Jim Malusa 2015-9-12 41883 Riverside Chocolate Mountains Aerial Gunnery Range, just south of Bradshaw Trail, c. 2.4 km west of the Dupont Rd. junction 749 Comment
  RSA1788  Nolina parryi 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
  SEINET3412079 Image available Nolina parryi Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28524 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 1236 Comment
  UC479192  Nolina parryi Marcus E. Jones 1931-5-17 Riverside Keyes Ranch Comment
  UCSB18701  Nolina parryi Main, Nancy 1965-5-9 Riverside State Highway 74, 10 miles S of junction with State Highway 71, San Jacinto Mountains 1219 Comment
  UC1518875  Notholaena californica subsp. californica Fosberg, Sachet, & Herbst 1983-4-23 55467 Riverside 3.3 mi N in side canyon on W side of Whitewater Canyon Whitewater Postoffice; San Bernardino Mtns, Whitewater Canyon 594 Comment
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Feb 13 2013
  CLARK-A1528-3581  Notholaena parryi John C. Roos 1946-11-30 3168 Riverside Chuckwalla Mountains Comment
  JEPS43999  Oenothera californica Marjorie Clary 1929-10-18 2 a Riverside w slope Santa Rosa Mt. (trail to summit) 1981 Comment
  UC20442  Oenothera californica subsp. californica Miss Ella Foster May 1897 Riverside Hemet Comment
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Mar 24 2011
  SEINET10492362  Oenothera decorticans David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3703 Riverside Leaving dry spike. Pushawalla canyon growing in the wash, indio hills, colorado desert. Comment
  POM355308  Oenothera deltoides subsp. deltoides Douglas Bothwell 1934-3-31 s.n. Riverside Valle Vista, Hemet. Base of San Jacinto Mtns Comment
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Mar 27 2011
  UCR216214  Oenothera deltoides subsp. deltoides Jim Andre, T. La Doux 2009-2-25 10824 Riverside Sonoran (Colorado) Desert, Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center 129 Comment
  UCR113977  Oenothera elata subsp. hookeri Mitch Provance 2000-6-24 2045 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  RSA734943  Oenothera scapoidea J. R. Bruff 1927-3-12 s.n. Riverside Whitewater. Comment
  JEPS25892  Oligomeris linifolia S. B. Parish 1913-2-28 8481 Riverside Mecca; Salton Sink -60 Comment
  UCR112088  Oligomeris linifolia A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23362 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  RSA0042209  Olneya tesota Joseph Brehm 2014-7-21 s.n. Riverside Collected along Dos Palmas Road, 0-0.5 miles northwest from intersection with Desertaire Road. Comment
  UC61577  Olneya tesota Miss Mary McKibben 1904-1 Riverside e of Mecca; Colorado Desert 457 Comment
  CAS-BOT-BC348037  Oncosiphon piluliferum A. C. Sanders; Mitch Provance; T. B. Salvato 2001-5-8 24209 Riverside Perris-Aguanga region: Val Verde, between Moreno Valley and Perris, along I-215, 0.9 mi. S of Oleander Ave., at S end of Patterson Ave. 457 Comment
  SD193038  Oncosiphon piluliferum Scott D. White, Justin Wood 2008-5-1 11925 Riverside Perris Basin: I-215 Freeway corridor, between freeway and frontage road, south of Scott Road. 470 Comment
  UCR266155  Oncosiphon piluliferum R. E. Riefner Jr. 2015-4-3 15- 108 Riverside Perris-Agunaga Basin, city of Menifee, Haun Road at Holland Road 446 Comment
  OBI38920  Opuntia X vaseyi A. C. Sanders 1984-4-15 5012 Riverside Mesa de Colorado, Santa Ana Mtns, 5 air mi SW of Murrieta 610 Comment
  UCR273892  Opuntia basilaris Marc A. Baker, Michelle Cloud-Hughes, Tim Thomas, Alice Karl 2013-9-26 17803 Riverside East Mojave Desert, Chuckwalla Mountains, north side of Corn Springs Wash, 1.1 km east-southeast of Corn Spring, 12.2 km southeast of Desert Center, 70 km west of Blythe 479 Comment
  SD229119  Opuntia basilaris var. basilaris Dick Schwenkmeyer 2012-5-22 726 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  SD142828  Opuntia phaeacantha Judy Gibson 1998-7-29 192 Riverside South of Hemet, weedy road edge, in sand. (IPB 9/07) Comment
  RSA20699  Opuntia polyacantha var. erinacea C. B. Wolf 1938-6-11 9420 Riverside San Jacinto Mountains, Palms to Pines Highway, 4 miles above Ribbonwood. 1220 Comment
  RSA22796  Opuntia polyacantha var. erinacea C. B. Wolf, Percy C. Everett 1939-9-29 9460 Riverside Desert slopes of San Jacinto range. Upper edge of Pinon Flats on the Palms-Pines Road. 1220 Comment
  CAS-BOT-BC56904  Opuntia polyacantha var. hystricina C. B. Wolf; P. C. Everett 1938-9-29 3350 Riverside Field redacted by CAS, contact the data manager for more information 1219 Comment
  RSA524212  Opuntia vaseyi B. D. Parfitt, A. C. Sanders, R. Anthony 1986-4-18 3486 Riverside University of California Riverside: Botanical Garden Entrance. Native on grassy slopes across walk in front of herbarium. 335 Comment
  RSA206499  Orcuttia californica E. W. Lathrop 1969-9-8 7123 Riverside 6 miles west of Murrieta; Mesa de Colorado of the Santa Rosa Plateau Comment
  RSA356646  Orcuttia californica R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. Lathrop 1975-8-29 79300 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 609 Comment
  SEINET10723433  Oreostemma alpigenum var. andersonii David B. Dunn 1946-8-17 Dunn 2693 Riverside Damp meadow area grassy, near the stream at the camp in Taquitz Valley, San Jacinto Mts. 2438 Comment
  JEPS12904  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
  SEINET10902575  Orobanche cooperi David B. Dunn Dunn 2031 Riverside Collected on dry plateau in vicinity of Pushawalla Canyon, Indio Hills. Sparse desert scrub of Larrea and Franseria, with palms at the springs in the canyon. Comment
  RSA0104797  Orobanche fasciculata Edmund C. Jaeger 1921-7-18 s.n. Riverside Caramba, Taquitz Creek, San Jacinto Mts. 1828 Comment
  RSA602273  Orobanche parishii subsp. parishii Louis C. Wheeler 1952-4-5 6851 Riverside Mecca Hills: Mouth of Painted Canyon. Comment
  CLARK-A1528-873  Orthocarpus purpurascens Fred B. Essig 1964-4-25 30 Riverside Alberhill Comment
  RSA523550  Orthocarpus purpurascens var. purpurascens Steve D. Boyd, Tim S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4010 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 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
  UC1531138  Osmadenia tenella Robert F. Thorne, M. Z. Thorne, and W. Wisura 1978-5-21 52002 Riverside Mesa de Colorado Santa Rosa Plateau Comment
  RSA228818  Oxalis californica Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 589 Riverside Cleveland National Forest; 7 miles south of Lake Elsinore along Forest Route 7S04. Comment
  UCR23214  Oxalis corniculata P. Tomlinson 1981-4-30 0008 Riverside University of California, Riverside campus; west of the perimeter road c. 10 ft. off the road between Parking Lot 8 and Greenhouses 1-5. Comment
  RSA593990  Oxalis pes-caprae D. L. Banks, Elizabeth Hedge Banks 1996-5-2 944 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage. 524 Comment
  CLARK-A1528-5815  Paeonia brownii John C. Roos, Lucille Roos 1952-3-1 5381 Riverside San Timoteo Canyon 518 Comment
  CAS-BOT-BC327915  Palafoxia arida Ivan Johnston 1917-4-4 1089 Riverside Mouth of Andreas Canyon 243 Comment
  CAS-BOT-BC327920  Palafoxia arida John H. Thomas 1957-3-30 6528 Riverside 8.1 miles E of Cactus City, about 13 miles E of Coachella. near US Hwys 60 and 70. Colorado Desert. 518 Comment
  CAS-BOT-BC327943  Palafoxia arida J. Beley 1974-2-21 0431 Riverside Halfway between 195 and Cactus City. Comment
  RSA795926  Palafoxia arida Duncan S. Bell 2009-4-19 283 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  SEINET10941632  Palafoxia arida David B. Dunn, Howard Brown 1947-1-12 Dunn 2840 Riverside Pushawalla Canyon, Indio Hills. In dry wash. Comment
  OBI28972  Palafoxia arida var. arida David J. Keil 1976-11-28 11878 Riverside Just E of Indio along I-10 Comment
  UCR153389  Palafoxia arida var. arida Scott D. White 2000-3-23 7634 Riverside Sonoran (Colorado) Desert, Coachella Valley, Thousand Palms area. North terminus of Rio del Sol Road at intersection with Vista Chino. Proposed aggregate mine expansion 183 Comment
  RSA557879  Panicum capillare Steve Boyd, O. Mistretta 1992-4-23 7051 Riverside San Mateo Canyon Wilderness Area, along San Mateo Creek from Riverside Co. line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 243 Comment
  UCR90598  Panicum capillare Scott D. White 1995-6-29 3379 Riverside Santa Ana Mtns., Murrieta Creek, NW of Murrieta, upstream from Cole Creek confluence, at Calle de Oso Oro Rd. crossing 351 Comment
  RSA535743  Panicum capillare Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-2 6649 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Upper San Mateo Canyon between confluence of Tenaja Canyon and Los Alamos Canyon. Comment
  CAS-BOT-BC253850  Panicum hirticaule Marcus E. Jones 1929-9-16 24653 Riverside E of Desert Center Comment
  RSA0027453  Panicum hirticaule Kristin Forgrave, Joshua Paolini 2013-8-7 29 Riverside At Ford Dry Lake, just north of I-10. Margins of lake bed. Comment
  POM366029  Panicum urvilleanum Martha Hilend 1928-3-11 105 Riverside About 6 miles SE of Garnet Station Comment
  RSA715088  Panicum urvilleanum Sarah J. De Groot, J. Mark Porter 2006-3-14 5199 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
  UC373141  Panicum urvilleanum Marcus E. Jones, A. M. 1903-5-11 Riverside Whitewater 304 Comment
  UCD90126  Panicum urvilleanum R. Tofsrud 1949-4-1 s.n. Riverside Hwy. 99 between Indio and Thousand Palms. Comment
  SD143751  Papaver californicum A. C. Sanders, P. MacKay, et al. 1997-5-4 20631 Riverside San Jacinto Mountains; north side along Highway 243, 1.5 miles below Twin Pines Ranch Road (McMullen Flat), north slope of peak 3740. 1067 Comment
  SEINET223701  Pappostipa speciosa Mary E. Barkworth 1981-5-8 3401 Riverside Near Aguanga close to border with San Diego County 0 Comment
  GMDRC5836  Parietaria hespera var. hespera J. M. Andre 2013-3-27 24815 Riverside Riverside Mountains: east side of Riverside Mountains, along Hwy 95, 13.2 mi. south of Vidal Jct 126 Comment
  UCR201016  Parkinsonia aculeata Scott D. White, Justin M. Wood 2008-9-17 12541 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
  LA31743  Parkinsonia florida Mary V. Hood; 1941-11-20 41- 180 k* Riverside S of Indio. near Imperial County line. Sea Level Comment
  UCR25860  Parkinsonia florida John C. Roos 1937-4-28 794 Riverside Sonoran (Colorado) Desert, Desert Center 274 Comment
  RSA778527  Pectis papposa Amber Swanson, Linda Jean Foster 2011-10-8 628 Riverside Jct of Blythe Rice Rd and Hwy 62. 287 Comment
  UCR163921  Pectocarya heterocarpa A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29133 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  SEINET7882516 Image available Pectocarya linearis Jean Coulson 1959-1 127 Riverside U. C. R. Campus, Riverside County, California, 200 yds. S. of water tank. Comment
  RSA655095  Pectocarya linearis subsp. ferocula Scott D. White 2000-4-17 7657 Riverside Menifee / Sun City Area: South of McColl Ave. and east of I-215 freeway. 442 Comment
  RSA673717  Pectocarya penicillata Scott D. White, W. LaHaye 2000-5-27 7925 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  SEINET3084047 Image available Pectocarya penicillata A. C. Sanders, P. MacKay, T. Thomas, G. Helmkamp 1997-2-8 19679 Riverside Colorado Desert/San Jacinto Mtns: Palm Springs area, Tahquitz Debris Basin at mouth of Tahquitz Canyon. 183 Comment
  SEINET7073386  Pectocarya penicillata A. G. Vestal 1963-4-23 s.n. Riverside About 0.6 mile up Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UCR216202B  Pectocarya peninsularis Jim Andre, T. La Doux 2009-2-25 10834 B Riverside Sonoran (Colorado) Desert, Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center 129 Comment
  RSA776273  Pectocarya recurvata Thomas Stoughton, Chrsiti Gabriel, Stephanie Rockwood 2011-3-29 894 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 838 Comment
  UCD120133  Pectocarya recurvata LeRoy Gross; Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1430 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. Near 33 deg. 37'32'N, 115 deg. 19'35'W: UTM 3721895N, 655238E to 33 deg. 36'52N, 115 deg. 19'54': UTM 3720669N, 654757E. 479 Comment
  UCR14207  Pectocarya recurvata W. W. Zabriskie 1973-2-21 118 Riverside Santa Rosa Mtns, N slope of mtns, Deep Canyon drainage, Pipistrelle Canyon area, above end of Worley Trail to Sheep Mtn. (Site 17) 854 Comment
  JOTR31086  Pectocarya setosa La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2348 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west of Ryan Mountain; Monzo-granitic boulder outcrop south of Ryan Mountain campground (Stop 2) Comment
  UC882271  Pectocarya setosa C. L. Hitchcock 1940-4-2 5910 Riverside Joshua Tree National Monument, Cottonwood Springs wash Comment
  UC76051  Pedicularis densiflora M. F. Gilman 1904-1 40 Riverside Banning Comment
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Mar 13 2011
  UCR35225  Pedicularis densiflora L. B. Ziegler 1973-3-6 498 Riverside Peninsular Range; San Jacinto Mtns. Region, Foothills of the mountains, south of Hemet; Tucalota Creek west of Sage 579 Comment
  POM262931  Pediomelum californicum Unspecified 1941-5-10 125 Riverside Pinon flats Camp, Santa Rosa Mts. 1220 Comment
  SBBG283  Pellaea mucronata H. and M. Dearing 1936-12-26 2920 Riverside head of Palm Cyn; Palms to Pines Hwy 1219 Comment
  RSA0051614  Pellaea mucronata Bruce Haines 1962-4-16 124 -A Riverside 3/4 miles East of Hidden Valley Campground on Key's Ranch Road, Joshua Tree National Monument. 1295 Comment
  SEINET7063453  Pellaea mucronata var. californica A. G. Vestal 1947-3-30 s.n. Riverside About 3.8 miles east of Sage on East Benton Road. Tucalota Valley. UTM Zone 11, 502344mE, 3715130mN. (WGS84/NAD83). 564 Comment
  POM11167  Pellaea mucronata var. mucronata P. A. Munz 1922-6-27 5849 Riverside Santa Rosa Mountains: Santa Rosa. 2012 Comment
  JOTR32899  Pennisetum setaceum La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1543 Riverside Joshua Tree National Park. Little San Bernardino Mountains, east of Queen Mountain, near north entrance to park; basalt rocky outcrops 901 Comment
  UCR213369  Pennisetum setaceum Lynn Sweet, Chris E. True 2009-12-3 s.n. Riverside Peninsular Range/Sonoran Desert; Santa Rosa Mtns., UC Boyd Deep Canyon Reserve, center of wash in Deep Canyon, 1/4 mile from end of road 335 Comment
  UCR27066  Penstemon X parishii T. P. Krantz, K. Berg 1982-5-26 s.n. Riverside San Jacinto Mtns., along Bonita Vista Road, north of Garner Valley Comment
  UCR24780  Penstemon centranthifolius W. W. Mayhew 1981-4-23 s.n. Riverside Santa Rosa Mtns, Near the intersection of Carrizo Road and Hwy 74 1052 Comment
  UCR268292  Penstemon centranthifolius Jim Andre 2012-6-15 30529 Riverside San Jacinto Mountains, Banning, along Hwy 243, 10.7 miles south of Interstate 10, San Bernardino National Forest 1499 Comment
  CLARK-A1528-5314  Penstemon clevelandii Patricia A. Andrews 1947-3-15 3334 Riverside San Jacinto Mountains Comment
  LA35151  Penstemon clevelandii Mary V. Hood; 1939-12-30 39- 159 -k* Riverside Santa Rosa Mountains, Pines to Palms Hwy 1127 Comment
  RSA336421  Penstemon clevelandii subsp. connatus Robert F. Thorne, Smida, Whittaker 1978-4-23 52077 Riverside Bighorn Lookout; Santa Rosa Mountains, along Palms to Pines Hwy Comment
  RSA97016  Penstemon clevelandii subsp. connatus R. M. Straw 1953-6-4 432 Riverside Palms to Pines Hwy (74), 0.5 miles W of Santa Rosa Mountain Truck trail Comment
  RSA0006116  Penstemon clevelandii subsp. mohavensis M. French Gilman 1926-5-9 A 2 Riverside Keyes [Keys] Ranch, southern edge of Mohave Desert. Comment
  NY583959  Penstemon clevelandii var. connatus B. J. Ertter 1980-5-21 3487 Riverside Rivulet crossing Santa Rosa Mountain road (Forest Road 7S02) from Highway 74 (Pines to Palms Highway) 1585.0 Comment
  NY601200  Penstemon clevelandii var. mohavensis A. M. Alexander 1941-5-4 2120 Riverside Barker Dam 1322.8 Comment
  UCR24779  Penstemon grinnellii W. W. Mayhew 1981-6-25 s.n. Riverside Peninsular Range; San Jacinto Mtns, road edge about 100 yards below the lookout on the summit of Black Mtn. 2348 Comment
  POM128324  Penstemon labrosus F. M. Reed 1908-7-11 2480 Riverside Meadow in Round Valley 2744 Comment
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Dec 23 2007
  RSA0099997  Penstemon labrosus Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8572 Riverside Santa Rosa Mountains; along Forest Service Road 7S02, approx. 0.7 air mile west of the summit of Santa Rosa Mountain. 2233 Comment
  RSA102220  Penstemon labrosus Mary F. Spencer 1921-7-4 279 Riverside Idyllwild. Comment
  RSA0014854  Penstemon rostriflorus E. K. Balls, Percy C. Everett 1953-8-19 18544 Riverside About Santa Rosa Spring, Santa Rosa Pk. 2134 Comment
  UCD124329  Penstemon spectabilis K. M. Meyer; A. Townesmith, T. Scott 2007-3-18 134 Riverside San Bernardino National Forest, 1 mile up Little Thomas Mountain Road. (Forest Road 6S13) just south of Lake Hemet from Rt. 74. 1467 Comment
  NY661184  Penstemon spectabilis var. spectabilis C. B. Wolf 1938-6-11 9417 Riverside San Jacinto Mountains, Palms to Pines Highway, 1½ miles west of junction to Anza 1219.2 Comment
  POM4217  Penstemon spectabilis var. spectabilis Jenkins, Street 1917-5-30 1936 Riverside San Jacinto River. Comment
  CAS-BOT-BC239692  Penstemon thurberi Edmund C. Jaeger 1931-10-25 s.n. Riverside 2 miles north of Lost Horse Mine, crossroads of Lost Horse-Stubby Springs road, Little San Bernardino Mountains Comment
  JOTR16855  Penstemon thurberi Baker, James K. & Baker, Ilisa T. 1966-6-26 s.n. Riverside Joshua Tree National Park. ROAD TO LOST HORSE RANGER STATION FROM CAP ROCK 1310 Comment
  POM160737  Pentachaeta aurea Marcus E. Jones 1929-3-9 s.n. Riverside Whitewater, Colorado Desert Comment
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Mar 7 2007
  RSA734888  Pentachaeta aurea A. C. Sanders, Tim Thomas 2008-6-20 35530 Riverside May Valley area, at spring with trough, along dirt road (May Valley Rd.) c. 1.5 mi. ENE of Keenwild, 0.5 mi. NW of FS Rd. 5S05 1600 Comment
  SEINET852425  Pentagramma triangularis G. Yatskievych 1981-1 81 -141 Riverside Overlooking Lake Elsinore, State Highway 74, 0.6 miles northeast of El Carizo. Comment
  UCR91555  Pentagramma triangularis subsp. maxonii A. C. Sanders, G. K. Helmkamp, L. Lubinsky, C. L. Sanders 1995-1-29 15898 Riverside San Jacinto Mtns/Colorado Desert, Chino Canyon near Palm Springs, 1.8 mi above Palm Canyon Rd (Hwy111) on the rd to the tram station, vicinity of the upper end of the flood control dike 428 Comment
  RSA726521  Perityle emoryi Naomi Fraga, Lisa Rojas 2005-2-10 1402 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  SEINET201068  Perityle emoryi H. E. Parks Riverside Mouth of Santa Rosa Canyon near Indio. Comment
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Mar 20 2014
  UCR144106  Petalonyx thurberi Scott D. White 1999-6-1 7438 Riverside Coachella Valley, Thousand Palms area. N terminus of Rio del Sol Road at intersection with Vista Chino. Proposed aggregate mine expansion 183 Comment
  UCR281925  Petalonyx thurberi A. C. Sanders, Jim Malusa 2017-9-20 43345 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, in canyon 2 km NW (303 deg. ) of Tabaseca Tank, 6.2 km SE of Salt Creek at mouth of Red Canyon 573 Comment
  SD113277  Petalonyx thurberi subsp. thurberi Darley F. Howe 1936-6-14 354 Riverside Palm Springs. Comment
  LA104783  Peucephyllum schottii Barry A. Prigge; 1988-2-21 7848 Riverside Orocopia Mountains, 2 mi. W of Clemens Well, Colorado Desert 228 Comment
  RSA0042376  Peucephyllum schottii Duncan S. Bell, LeRoy Gross 2014-3-13 6241 Riverside Orocopia Mountains; southern section of range; approximately 3 air miles northwest of Clemens Well. 431 Comment
  RSA0118001  Peucephyllum schottii Sarah J. J. De Groot, Thomas Stoughton 2016-2-18 7627 Riverside Mecca Hills: side canyon (east fork) of Painted Canyon. 182 Comment
  RSA94108  Peucephyllum schottii F. W. Peirson 1921-3-23 2753 Riverside Deep Canyon, north base of Santa Rosa Mts. 335 Comment
  CHSC8269  Phacelia Edward L. Smith 1958-3-21 353 Riverside Located 10 mi. e of Indio on hwy. 60. 213 Comment
  UC284214  Phacelia brachyloba P. A. Munz 1923-6-14 7055 Riverside Glen Ivy Trail to Santiago Peak Santa Ana Mts. 1066 Comment
  UC1069364  Phacelia campanularia H. S. Yates 1937-3-24 6476 Riverside near mouth of Deep Canyon; Thermal Quadrangle Comment
  RSA613708  Phacelia cicutaria var. hispida George K. Helmkamp 1998-4-3 3090 Riverside Coachella Valley: Mission Creek, the Wildlands Conservancy Preserve. 1.1 mile NW of the ranch house besides a gauging station along the creek. 747 Comment
  UCR174174  Phacelia cicutaria var. hispida A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32594 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
  UCR85577  Phacelia ciliata Julie A. Greene 1993-6-11 1356 Riverside San Jacinto Valley, San Jacinto Wildlife Area [NW of Lakeview] 441 Comment
  HSC28423  Phacelia crenulata Richard Spjut 1973-4-6 3269 Riverside Colorado Desert, 4-5 mi. N of Palm Springs on Indian Ave. 152 Comment
  RSA0043233  Phacelia crenulata var. ambigua Duncan S. Bell 2010-5-1 882 A 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
  UCR75096  Phacelia crenulata var. ambigua A. C. Sanders, E. J. Lawlor 1992-4-4 12091 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  JOTR35064  Phacelia crenulata var. crenulata La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3516 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road. South-facing bajada with shallow Sonoran desert riparian corridors among desert pavement. Comment
  UC64055  Phacelia curvipes H. M. Hall May 1899 1170 Riverside El Toro Peak San Jacinto Mountains 2133 Comment
  RSA272177  Phacelia distans C. W. Tilforth 1978-4-30 1567 Riverside Low, rounded hills east of Norco. 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
  SBBG80514  Phacelia distans M. Rosczyk, G. K. Helmkamp 1985-4-4 256 Riverside W side of the main cyn just below the BLM gate 533 Comment
  UCR117095  Phacelia distans A. C. Sanders, T. B. Salvato 2001-5-16 24291 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  RSA604733  Phacelia fremontii L. Harris, L. C. Erickson 1937-4-10 s.n. Riverside Palms to Pines Hwy near road to Shumway. Comment
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Dec 17 2011
  HSC86135  Phacelia imbricata subsp. patula B. Freeman, David Hagstrum 1969-6-28 69062811 Riverside San Jacinto Mtns., University of California James Reserve, bank overlooking Indian Creek Comment
  JEPS19793  Phacelia ivesiana Rimo Bacigalupi with Paul C. Hutchison 1958-2-19 6202 Riverside 9.4 mi n of Blythe (at western base of Big Maria Mountains); Big Maria Mountains 167 Comment
  CAS-BOT-BC145042  Phacelia keckii John Thomas Howell 1931-5-30 6611 Riverside Santiago Peak, Santa Ana Mts. 1219 Comment
  RSA212890  Phacelia lemmonii Babs Kobaly 1969-6-24 s.n. Riverside Upper Big Morongo Canyon, Riverside County. Comment
  CSUSB146  Phacelia minor Barry Glaser 1964-3-9 640903 10 Riverside Edwards Canyon in Elsinore Mountains. 20 yards from road. 914 Comment
  RSA511057  Phacelia minor Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca 1 mi SE of town on [of] Nuevo. 640 Comment
  UCR174077  Phacelia minor A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32591 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
  UCR620B  Phacelia minor S. C. Warner 1956-4-21 s.n. Riverside Box Spings Mtns., top of mtns, saddle off W side of road, between Pigeon Pass and ranch west of road 701 Comment
  CLARK-A1528-7808  Phacelia mutabilis John C. Roos 1937-8-18 670 Riverside San Jacinto Mountains Comment
  UCR137031  Phacelia ramosissima A. C. Sanders 2004-5-5 27783 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
  CDA40393  Phacelia ramosissima var. suffrutescens T. C. Fuller 1964-4-14 11830 Riverside On disturbed cut above road, Whitewater Canyon, 4.1 miles north of Whitewater. 0 Comment
  UCR123223  Phacelia stellaris O. F. Clarke, Helga Forster 2000-1 s.n. Riverside San Bernardino Valley region, Riverside, west side of Santa Ana River opposite the south end of Mt. Rubidoux, SE of Flabob Airport, south of bend in Crestmore Rd. and 2 mi. south of Mission Blvd., east of Co. Parks Hqtrs. 229 Comment
  RSA0034096  Phalaris minor Duncan S. Bell 2013-1-30 4454 Riverside The Mecca Hills; collecting beside the Coachella Canal and the powerlines at the base of the mountains in narrow desiccating depressions where winter rains had collected. 23 Comment
  SEINET8731212 Image available Philibertia heterophylla Jean Coulson 1959-1 167 Riverside San Jacinto Mts.; S. side of N. Fork of San Jacin next to Highway 74. W. side Comment
  SD63337  Phlox austromontana Walter Bertsch 1957-6-29 950 Riverside Desert slope of Toro Peak, Santa Rosa Mountains 2438 Comment
  UCR211821  Pholisma arenarium Valerie Soza, Steve Boyd, Neil Gilbert 2000-12-6 1062 B Riverside Peninsular Range; San jacinto Mountains, Bautista Canyon, along Bautista Canyon Road, across from Bautista Conservation Camp 854 Comment
  SDSU21851  Pholistoma auritum Dang Dong, Stephanie Castillo, Lindsay Rubin 2016-4-16 5 Riverside San Magarita Ecological Reserve, Via Tornado, south side of San Margarita river, going uphill, south side of road. 357 Comment
  UCR281528  Pholistoma auritum Mitch Provance, Matt K. Beyers, John Hazlett 2017-3-30 317- 91 Riverside Temescal Valley, S of the 15 Fwy., 0.3 miles W of Hostettler Rd. 384 Comment
  POM4507  Pholistoma membranaceum I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. 457 Comment
  RSA697746  Pholistoma membranaceum J. R. Bruff 1927-3-13 2 -E Riverside Fingal. Comment
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Aug 25 2012
  SFV6317  Pholistoma membranaceum T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 34 Riverside San Bernardino Mountains Whitewater Canyon Road, 3 miles north of Highway 60. 630 Comment
  UCR97634  Pholistoma membranaceum John Wear, N. Moorhatch 1997-3-20 s.n. Riverside San Jacinto Mtns, S of Chino Canyon, at NW end of Palm Springs 350 Comment
  SBBG61544  Phoradendron bolleanum R. Hoffmann 1929-9-8 Riverside San Jacinto Mtns Comment
  CAS-BOT-BC135069  Phoradendron californicum Del Wiens 1953-12-5 872 Riverside near Junction of road from S end of Joshua Tree National Monument and US 60 and 70 152 Comment
  CAS-BOT-BC135107  Phoradendron californicum Milo S. Baker 1928-4-3 2773 Riverside Palm Canon [Canyon] Comment
  HSC79285  Phoradendron californicum G. K. Helmkamp 1984-5-2 - 11 Riverside Big Morongo Canyon, 3-3.5 mi. below the caretaker's house at the Big Morongo Preserve, Little San Bernardino Mtns. 550 Comment
  HSC83087  Phoradendron californicum A. C. Sanders, Pitzer, Charlton, Kniffen 1986-3-3 6097 Riverside Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the S 489 Comment
  RSA420766  Phoradendron californicum M. V. Hood 1944-4-7 s.n. Riverside Palms to Pines Hwy. Comment
  UCR245915  Phoradendron californicum Naomi Fraga, David Fracker, Thomas Stoughton 2012-3-15 3953 Riverside Sonoran (Colorado) Desert, off of Box Canyon Rd., south of Shaver Well in a wash 229 Comment
  UCR48554  Phoradendron californicum J. Glazner 1985-3-24 s.n. Riverside San Bernardino Mtns., Whitewater Canyon, 3 mi. north of I-10 and 1 mile south of Whitewater trout co. 442 Comment
  RSA0034750  Phoradendron californicum Phillip A. Munz, Street, Williams 1919-3-26 2333 Riverside Indio. Comment
  CAS-BOT-BC135177  Phoradendron juniperinum Louis C. Wheeler 1931-10-3 243 Riverside 1 1/2 mi NW Tahquitz Peak, San Jacinto Mts. 1920 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-A1528-889  Physalis crassifolia 1947-2-1 Riverside Pinyon Crest Comment
  CSUSB762  Physalis crassifolia Jean Texera 1970-3-27 Riverside About 3 miles south of Palm Desert on dirt road continuation of Portola Ave., 25 feet north of Deep Canyon Desert Research Center fence, 175 feet west of road on edge of wash. 204 Comment
  JOTR29188  Physalis crassifolia La Doux, Tasha 2005-9-8 1300 Riverside Joshua Tree National Park. Fried Liver Wash 395 Comment
  RSA709876  Physalis crassifolia Sarah J. De Groot, Leland Lubinsky, Naomi S. Fraga, Lisa Rojas 2005-2-10 4621 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UCR198185  Physalis crassifolia Michael Honer, L. Hulse 2004-4-2 1873 Riverside Colorado(Sonora) Desert, Little San Bernardino Mountains. Blind Canyon, c. 0.5 mi north of Desert Hot Springs 488 Comment
  UCR94494  Physalis crassifolia Steve Boyd 1981-2-5 s.n. Riverside Peninsular Range, Gavilan Hills Region, S flank of Monument Peak along abandoned road grade leading SW into Dawson Canyon 549 Comment
  SD236352  Phytolacca americana A. C. Sanders, T. B. Salvato, Helen Kennedy, Andrea Salzman. 2006-11-9 33220 Riverside San Bernadino Valley: Riverside, UCR Botanical Garden, subtropical fruit orchard on the north side of the garden. 334 Comment
  UC1265379  Pilularia americana Robert F. Thorne and Earl Lathrop 1969-5-12 37919 Riverside s end Mesa de Colorado (Rancho California); Santa Rosa Plateau 624 Comment
  UC175  Pinus contorta subsp. murrayana H. M. Hall 1901-6-1 2321 Riverside near Tahquitz; San Jacinto Mountains 2590 Comment
  CDA568  Pinus quadrifolia Ronald Somerby 1972-3-1 s.n. Riverside 0.25 mi N of the end of Kirby Rd, Anza. 0 Comment
  UCSB141  Pinus quadrifolia Zellhoefer, Judi 1960-5-15 Riverside 0.2 miles west of Highway 74, 5.8 miles east of Anza Comment
  CAS-BOT-BC257635  Plagiobothrys canescens A. C. Sanders; Nathan Moorhatch 2011-3-22 38798 Riverside Peninsular Range; Perris-Aguanga Basin: Romoland in Menifee Valley, powerline route along McLaughlin Rd. between Palomar Rd. and San Jacinto Rd. 442 Comment
  UCR171904  Plagiobothrys canescens John F. Green 2006-4-27 s.n. Riverside Peninsular Ranges, Temecula, plot centered on San Diego Aqueduct corridor between Nicolas Road and Via Norte 381 Comment
  UCR250114  Plagiobothrys canescens A. C. Sanders 2014-4-9 40998 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. north of intersection with Indian Truck Trail, c. 0.4 km south of El Hermano Rd., NW of Corona (Lee) Lake 331 Comment
  UCSB45581  Plagiobothrys canescens Roos, John 1952-4-30 Riverside Hills between Camp Haan and Riverside 518 Comment
  UCR107716  Plagiobothrys collinus A. C. Sanders 1997-3-1 19743 Riverside Box Springs Mountains, Riverside: S end of the range along Gernert Rd. (dirt road paralleling the mountain front), in valley draining to Box Spring Canyon. 457 Comment
  UCR193404  Plagiobothrys collinus A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35619 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mi WSW of Fleming Ranch, at ephemeral stream crossing of dirt track 1561 Comment
  UCR241832  Plagiobothrys collinus A. C. Sanders, Timothy W. Chumley 2013-4-3 40760 Riverside Peninsular Range, Temescal Canyon just above Horsethief Canyon wash crossing of DePalma Rd. at old DePalma's Italian Village site, SE of Corona (Lee) Lake 378 Comment
  POM184249  Plagiobothrys collinus var. californicus P. A. Munz 1932-3-24 12018 Riverside Corona 366 Comment
  POM73119  Plagiobothrys collinus var. californicus Marcus E. Jones 1882-4-24 s.n. Riverside Temecula Comment
  RSA659691  Plagiobothrys collinus var. californicus J. C. Roos 1952-2-29 5368 Riverside Reche Canyon. 457 Comment
  UCR114929  Plagiobothrys collinus var. californicus Julie A. Greene 1993-4-30 1278 A Riverside San Jacinto Valley, San Jacinto Wildlife Area. south of visitor center road and north of the old San Jacinto River drainage 433 Comment
  POM13808  Plagiobothrys leptocladus P. A. Munz 1922-4-29 5068 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  RSA613474  Plagiobothrys tenellus D. L. Banks, Victor Steinmann 1997-3-13 1447 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  UCR15892  Plagiobothrys undulatus Frank C. Vasek, G. K. Helmkamp 1979-4-27 s.n. Riverside Santa Ana Mtns., Mesa de Colorado, drying vernal pool along Clinton Keith Road 457 Comment
  SD140035  Plantago elongata A. C. Sanders 1993-4-1 13663 Riverside Western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St. and Devonshire Ave., 3/4 mi. NE of the intersection of Florida Ave. (Hwy 74) and Warren Rd., just S of Tres Cerritos. 459 Comment
  UCR127332  Plantago erecta A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25841 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  POM49004  Plantago major Grout, S. Grout 1903-10 s.n. Riverside Riverside Comment
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Sep 5 2011
  JEPS22514  Plantago ovata Rimo Bacigalupi with Paul Hutchison 1958-2-19 6195 Riverside 9.4 mi n Blythe (at w base of Big Maria Mts.); Big Maria Mts. 167 Comment
  JEPS6883  Plantago ovata Aven Nelson, Ruth A. Nelson 1939-3-22 3213 Riverside Palm Springs Area Comment
  UC124296  Plantago ovata T. S. Brandegee 1901-4-4 Riverside Colorado Desert Comment
  UCR102721  Plantago ovata B. G. Pitzer 1998-1-24 3407 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  UCR108724  Plantago ovata Scott D. White, Pam DeVries 1998-2-9 6085 Riverside Coachella Valley, La Quinta/Palm Desert Area: Whitewater River Channel at & near Miles Ave. crossing 30 Comment
  UCR256715  Plantago ovata Duncan S. Bell 2012-2-12 3103 Riverside Mojave Desert, Mecca Hills, c. 1.25 air miles north of Box Canyon Road, and c. 4 air miles southwest of Shavers Well 256 Comment
  RSA726575  Plantago ovata var. fastigiata Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1421 Riverside Along Palen Road near Hwy 177. 170 Comment
  UCSB17040  Plantago ovata var. fastigiata Hurst, Linda 1963-5-5 Riverside 12. miles east of Pinyon Flats Campground on California Highway 74 1097 Comment
  RSA736125  Plantago patagonica Scott D. White 2008-4-28 11915 Riverside San Gorgonio Pass: Banning, S of I-10 freeway and just N of San Jacinto Mountains toeslope. E of Sunset Ave. 671 Comment
  UCR127573  Plantago patagonica D. E. Bramlet 2003-4-18 3374 Riverside Base of San Jacinto Mtns., 2,348m south of Cabazon, 2,012m northwest of Cabazon Peak, and 183m northwest of the Colorado River Aqueduct 548 Comment
  UCR178149  Plantago patagonica T. B. Salvato, Tracy Tennant 1998-4-23 MOR- 912 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon 1037 Comment
  HSC85459  Platystemon californicus Steve Boyd 1986-4-2 1606 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA674593  Platystemon californicus Scott D. White 2000-5-5 7772 Riverside City of Murrieta: Vacant lot on N corner at intersection of Jefferson Av. and Murrieta Hot Springs Rd. 323 Comment
  UC64138  Platystemon californicus H. M. Hall May 1897 543 Riverside Thomas Valley; San Jacinto Mountains, Thomas Valley Comment
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Nov 30 2013
  UCR126439  Platystemon californicus T. B. Salvato, A. C. Sanders, Mitch Provance et al. 2000-4-30 66 Riverside Riverside, Box Springs Mtns. along road to radio towers from reserve parking lot 854 Comment
  RSA782134  Pleuraphis rigida Stephanie Rockwood, Christi Gabriel 2011-10-18 129 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 96 Comment
  HSC5849  Pleurocoronis pluriseta C. L. Hitchcock, C. V. Muhlick 1964-3-22 23261 Riverside W end of Pinto Basin, Joshua Tree National Monument. Comment
  JOTR31907  Pleurocoronis pluriseta La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2154 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash Comment
  JOTR32042  Pleurocoronis pluriseta La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2272 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; granite and basalt rocky slopes above bouldery draws feeding into Pleasant Valley (Stop 3) 1041 Comment
  RSA472111  Pluchea odorata Lester H. Cushman 1931-10 14036 Riverside Santa Ana River near Riverside, streamside Comment
  RSA567198  Poa bigelovii F. M. Reed 1920-3-24 9187 Riverside Murray Canyon 213 Comment
  UC38599  Poa pratensis subsp. pratensis H. M. Hall July, 1901 Riverside Fuller's Mills Mts; San Jacinto Mts 1584 Comment
  POM294734  Poa secunda Lyman Benson 1946-4-15 12014 Riverside 6 miles southeast of Redlands. Mt. Range: San Bernardino. 609 Comment
  SDSU18642  Poa secunda subsp. juncifolia C. Matt Guilliams, Jeannine Ross 2008-3-12 531 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. 428 Comment
  UCR189815  Polygala cornuta var. fishiae Theresa Johnson 2006-7-7 221 Riverside Peninsular Range, Santa Ana Mountains, 0.2 mi North of Orange County border. Just north of Indian Truck Trail. Along SE edge of road at base of rock wall 1063 Comment
  UC849962  Polygonum amphibium var. emersum I. M. Johnston 1918-5-30 2027 Riverside Lee Lake Temescal Canyon 335 Comment
  UCR229493  Polygonum argyrocoleon Jeremiah George 2011-7-18 s.n. Riverside Peninsular Range; Elsinore Trough, North Lake Elsinore, just west of Nichols Rd. and Collier Ave. junction 384 Comment
  CLARK-A1528-758  Polygonum aviculare C. M. Flanagan 1973-4-17 OO 111 Riverside Riverside 243 Comment
  UCR260160  Polygonum aviculare Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4776 Riverside Eastern Mojave Desert, east side of Arica Mountains, west side of Rice Valley c. 6 air mi southeast of the ghost town of Rice or c. 5.25 air mi east-southeast of Priests Well 211 Comment
  JOTR32468  Polygonum aviculare subsp. depressum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2613 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
  RSA466335A  Polygonum hydropiperoides J. Ewan 1931-10-3 5211 Riverside Santa Ana River, 4 mi. NW if Corona. Comment
  UCR199694  Polygonum punctatum Scott D. White, Angelia Carey, Linda Archer 2004-8-5 10689 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Indian Creek and adjacent uplands, from confluence with San Jacinto River to c. 2 miles upstream 610 Comment
  RSA714424  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
  IRVC162  Polystichum imbricans subsp. curtum Lorene Lewton 1965-4-24 HS 552 Riverside Highway 74; 1 mile WSW of Mountain Center. Peninsular Ranges, San Jacinto Mountains Comment
  IRVC169  Polystichum imbricans subsp. curtum Bruce Reynolds 1965-4-24 HS 557 Riverside Route 74; 1/4 mile S of Keen Camp Summit. Peninsular Ranges, San Jacinto Mountains Comment
  SEINET10767438  Populus J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12842 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-BC102601  Populus fremontii Dr. Barton W. Evermann 1916-5-14 s.n. Riverside Mecca Comment
  RSA543142  Populus fremontii Steve D. Boyd 1991-3-17 5500 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
  UCR140325  Populus fremontii A. C. Sanders 2004-5-12 27893 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  JEPS64527  Populus fremontii subsp. fremontii S. B. Parish 1913-3-28 8471 Riverside Mecca Flats , Mecca Flats (Salton Basin) -60 Comment
  UC729747  Populus fremontii subsp. fremontii Carl B. Wolf 1932-4-28 3084 Riverside along the Colorado River near Blythe Bridge (Colorado Desert); , along the Colorado River 91 Comment
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Mar 26 2011
  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
  UCR160449  Potamogeton T. W. Fisher, R. E. Orth 1964-6-25 s.n. Riverside San Jacinto Mtns., Lake Hemet near stream 1311 Comment
  UCR20507  Potamogeton diversifolius F. M. Reed 1908-7-12 2515 Riverside San Jacinto Mtns., Margin of Lake Surprise [=Hidden Lake] 2744 Comment
  CAS-BOT-BC454042  Potamogeton pusillus subsp. pusillus Robert F. Thorne; D. Lathrop 1969-6-6 39322 Riverside Santa Rosa Plateau: Rancho California, Mesa de Colorado 624 Comment
  SD152759  Potentilla glandulosa subsp. glandulosa Steve Boyd, Tim Ross 1992-5-5 7249 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. South of Oak Flats, southwest of the Bluewater Trail 730 Comment
  SEINET10490432  Prosopis glandulosa var. glandulosa David B. Dunn 1948-2-21 Dunn 3663 Riverside PUshawalla; a rain about 2 weeks earlier in wash. Hills still quite dry. Comment
  JOTR31977  Prosopis glandulosa var. torreyana La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2213 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; large wash at mouth of rocky, narrow canyon 719 Comment
  UC16270  Prosopis glandulosa var. torreyana H. M. Hall 1899-5-19 1106 Riverside San Jacinto Lake Comment
  UCR82245  Prosopis glandulosa var. torreyana J. M. Stewart 1994-5-2 858 Riverside Western Colorado Desert, Coachella Valley, Thermal, Filmore Street & Avenue 66 Comment
  UCR13750  Prosopis pubescens N. R. Zabriskie, W. W. Zabriskie 1971-10-24 459 Riverside Western Colorado Desert/ San Jacinto Mtns, E slope of San Jacinto Mountains, Andreas Canyon watershed, SE of turnoff to clubhouse from Andreas Canyon Club Road 320 Comment
  UC489222  Prunus emarginata C. V. Meyer 1928-7-31 606 Riverside San Jacinto Mountains, Tahquitz Valley Tahquitz Valley; San Jacinto Mountains, Tahquitz Valley 2286 Comment
  RSA453237  Prunus fremontii F. W. Peirson 1922-12-7 s.n. Riverside Andreas Canyon. 610 Comment
  SJSU5198  Prunus fremontii S. M. Kaune 1961-12-27 212 Riverside State Rte 74 (Palms to Pines Hwy) c. 5-7 mi E of Toro Peak 1173 Comment
  RSA472314  Psathyrotes ramosissima M. B. Dunkle 1933-3-4 3035 Riverside Painted Canyon, Colorado Desert. 30 Comment
  SD27951  Psathyrotes ramosissima Carl B. Wolf 1932-4-26 2972 Riverside 5.0 miles east of Mecca, on Blythe Road. 99 Comment
  RSA463259  Pseudognaphalium biolettii Steve Myers 1988-2-1 s.n. Riverside Boulder Springs development, immediately SE of intersection of Hwy 60 and Nason St, Moreno Valley. 518 Comment
  UCR48497  Pseudognaphalium biolettii Steve Boyd 1985-12-25 1197 Riverside Peninsular Range, Gavilan Hills; W side of Steele Valley in SCE Transmission Line Corridor 762 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
  CAS-BOT-BC357548  Pseudognaphalium stramineum Geo. B. Grant 1901-8-1 s.n. Riverside Strawberry Valley Comment
  LA6325  Pseudotsuga macrocarpa Carl Epling; April 1937 sn Riverside San Jacinto Mountains, above Herley Creek Camp Comment
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Feb 23 2014
  HSC28010  Psilostrophe cooperi Richard Spjut 1973-5-5 3345 Riverside Colorado Desert; rocky and gravelly flats and hills bordering the southern slopes of the Chuckawalla Mts. 610 Comment
  UCR93569  Psilostrophe cooperi P. J. Leary 1975-5-14 1187 Riverside Sonoran (Colorado)-Mojave Desert Transition, Hexie Mtns, Joshua Tree National Monument 1098 Comment
  UC52158  Psorothamnus arborescens var. simplicifolius E. E. Schellenger Jul 25 1903-Aug 14 1903 7 Riverside between Palm Springs and Whitewater; between Palm Springs and Whitewater Comment
  UCR161370  Psorothamnus emoryi Mark A. Elvin 2005-4-25 4221 Riverside Northern Sonoarn Desert, Coachella Valley; N of Palm Springs; N of 110; south of Dillon Road; east of Indian Avenue 244 Comment
  SD44839  Psorothamnus schottii Darley F. Howe 1952-4-27 2190 Riverside Along All American Canal; 5 mi. so highway east of Mecca. Comment
  UCSB9704  Psorothamnus schottii Krogen, Roger 1957-1 Riverside Along roadside of Hwy. 195, 10 mi. E of Mecca Comment
  POM22365  Psorothamnus spinosus Marjorie D. Clary 1929-10 s.n. Riverside Coachella Valley Comment
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Jul 24 2010
  UCR18121  Pterostegia drymarioides A. C. Sanders 1978-4-2 567 Riverside Sonoran (Colorado) Desert, Living Desert Reserve in Palm Desert [mouth of Deep Canyon] 152 Comment
  UC876185  Pyrola picta Mary F. Spencer 1923-7-30 2264 Riverside San Jacinto Mountain, Idyllwild, Banning Road Idyllwild; San Jacinto Mountain, Idyllwild 1828 Comment
  UCR108800  Quercus X munzii Beth Corrigan, John Corrigan 1966-6-13 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument [now Park], Queen Valley area, 200-300 ft. south of Ivanpah Tank 1280 Comment
  UCR265066  Quercus agrifolia Mitch Provance, Jeremiah George 2012-8-4 812- 44 Riverside Western Riverside County, Badlands south of Beaumont, Potrero Creek, E side of Highland Springs Ave., between Breckenridge and the entrance to Potrero 752 Comment
  SDSU12877  Quercus agrifolia var. agrifolia J. Jill Steinberg with Janet Knotts and Kevin Contreras 1998-3-25 33 Riverside Next to main entrance gate to Santa Margarita Field Station 354 Comment
  RSA714353  Quercus agrifolia var. oxyadenia R. E. Riefner Jr. 2005-8-7 5 -595 Riverside San Jacinto Mountains, San Bernardino National Forest, 0.7 mi. W of Santa Rosa Mountain Rd. on SR 74 near Vandeventer Flat. 1369 Comment
  UC5828  Quercus berberidifolia H. M. Hall 1901-8-5 2644 Riverside Canyon of the San Jacinto River San Jacinto Mountains 1066 Comment
  CAS-BOT-BC250919  Quercus dumosa P. S. Manos 1988-10-27 673 Riverside Gavilan Rd., in Wildlife Preserve 600 Comment
  RSA628257  Quercus engelmannii B. Schwenn 1988-9-27 s.n. Riverside Santa Rosa Mnts: San Bernardino National Forest, Cactus Spring trail where trail crosses Horsethief Creek. 1341 Comment
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Oct 5 2017
  SD229178  Quercus kelloggii Dick Schwenkmeyer 2012-4-18 706 Riverside Mt. San Jacinto: Vista Grande, 1.1 mile northwest of U.S. Forestry station on Highway 243, north of Idyllwild. High granite ridge overlooking Gorgonio Pass to the north and Hemet to the west. 1540 Comment
  SDSU21246  Quercus turbinella S. H. Bullock 1972-5-25 273 Riverside Riverside County Hwy 74. Pinyon flat. 1227 Comment
  LA205367  Quercus wislizeni W. B. Welch; 1928-5-5 sn Riverside San Jacinto Mountains, Idyllwild and Lily Rock 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
  RSA519235  Rafinesquia californica Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. All of sec. 33, W/2 sec. 34, NW/4 sec. 3 [T6S] and a small portion of eastern sec 35. 488 Comment
  POM13919  Rafinesquia neomexicana P. A. Munz, D. D. Keck 1922-4-12 4884 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. Colorado Desert. 457 Comment
  POM305599  Rafinesquia neomexicana Henry J. Ramsey, Ramsey 1937-3-2 883 Riverside Desert Center Comment
  SEINET6088758  Rafinesquia neomexicana Unknown 1944-3-25 1038 Riverside Morongo Pass. Comment
  UCR84892  Rafinesquia neomexicana A. C. Sanders, K. Rose, D. Woodard 1995-3-15 16118 Riverside Coachella Valley, NW end of valley, wash east of Hwy 62 and south of Indian Ave, 0.45 mi south of Indian on Worsley Rd 500 Comment
  SD186312  Ranunculus californicus Andy C. Sanders 2004-4-20 27558 Riverside Santa Ana Myns.: Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego County line 640 Comment
  RSA0019612  Ranunculus eschscholtzii var. oxynotus H. M. Hall 1901-07 2414 Riverside San Jacinto Mountains, near the summit. 3293 Comment
  RSA482865  Raphanus sativus N. C. Cooper 1944-5-21 1272 Riverside San Jacinto Mountains, West side 915 Comment
  SEINET998620  Rhamnus californica T. B. Salvato 2004-1 597 Riverside San Bernardinos Mtns: head of Banning (San Gorgonio River) Canyon San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp. 1402 Comment
  UCR264076  Rhamnus californica S. J. Myers, Vesta A. Myers, Bill Hopson 2015-1-2 1078 Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon, upper part of canyon, near Corona 732 Comment
  HSC93109  Rhamnus crocea Scott D. White 1996-4-14 3918 Riverside E of Hemet, San Jacinto River Wash near Valle Vista, N of Hwy. 74, 1.7 mi. W of USFS Cranston Fire Station 534 Comment
  UCR120946  Rhamnus crocea A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24917 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR251706  Rhamnus crocea T. B. Salvato 2014-4-9 7834 Riverside Perris-Aguanga Basin, Menifee, c. 4 mi southeast of Canyon Lake, northeast corner of Bundy Canyon Road and Sunset Avenue 534 Comment
  RSA628828  Rhamnus ilicifolia A. C. Sanders, T. Tennant, J. S. Ross 1998-8-20 22217 Riverside Morongo Indian Reservation, Middle Branch Millard Canyon. 1311 Comment
  RSA740829  Rhamnus tomentella subsp. cuspidata Scott D. White, Justin M. Wood 2008-7-8 12388 Riverside San Jacinto Mountains: Johnson Meadow. 1439 Comment
  UC2029920  Rhamnus tomentella subsp. cuspidata Scott D. White, Pam DeVries 2000-4-5 7731 Riverside TEMESCAL VALLEY: Corona area, eastern foothills of Santa Ana Mts. just above citrus groves. Comment
  UCSB26759  Rhododendron occidentale Wilken, Dieter 1969-6-30 Riverside Black Canyon, along County Road R1, 8.6 miles north of Idyllwild, San Jacinto Mtns. 1524 Comment
  SFV2147  Rhus ovata F. L. McPherson 1959-5-9 Riverside Coastal Sage community southeast of Banning, on northeast slope of mountain. Comment
  UC1130538  Rhus ovata R. St. John 1929-4-28 22 Riverside Old Nicholas Canyon; Santa Rosa Mountains 1280 Comment
  RSA586155  Ribes amarum D. L. Banks, Steve D. Boyd 1995-3-30 120 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, E of the Woodchuck Trail. 707 Comment
  UC79638  Ribes cereum A. W. Anthony 1895-7-7 Riverside San Jacinto Mountain 2743 Comment
  UC858444  Ribes cereum P. A. Munz 1922-6-28 5878 Riverside ridge w Toro Peak; Santa Rosa Mts. 2407 Comment
  CLARK-A1528-4130  Ribes indecorum John C. Roos 1952-2-29 5360 Riverside Box Springs Mountains 487 Comment
  UCR51365  Ribes indecorum A. C. Sanders 1988-1-30 7591 Riverside Peninsular Range, Eastern foothills of the Santa Ana Mountains, c. midway between Murrieta and Temecula. Los Cerritos Ranch and adjacent 80 acre property to the NW; north of Cherry St., west of Adams Ave, south of Meadowlark Ridge Lane and Elm St 366 Comment
  UCR25403  Ribes quercetorum John C. Roos 1948-5-22 3864 Riverside Pass at the top of Reche Canyon 732 Comment
  RSA459471  Ribes roezlii Anstruther Davidson 1896-07 1826 Riverside San Jacinto Mtns. Comment
  OBI14008  Ribes speciosum Tracey & Viola Call, Viola Call 1962-3-21 2100 Riverside Tin mine Cyn, near roaside Comment
  UCR234291  Romneya coulteri A. C. Sanders, John F. Green 2012-4-6 40013 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, along Temescal Cyn. Rd., between Campbell Ranch Rd. and Glen Ivy Electrical Substation, west of I-15 Fwy, c. 10 miles south of Corona 327 Comment
  SD193257  Rorippa curvisiliqua A. C. Sanders, R. E. Riefner 2005-8-12 31558 Riverside Valley Hi County Park off Highway 243 and Twin Pines Road, at McMullen Flat. 1189 Comment
  SDSU17733  Rorippa nasturtium-aquaticum D. C. Estrella, M. G. Simpson 2002-4-20 28 Riverside Shallow, acquatic pool. Santa Margarita Ecological Preserve. 229 Comment
  UCR21990  Rorippa nasturtium-aquaticum Steve Boyd 1980-7-12 323 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  POM49849  Rosa californica Philip A. Munz, I. M. Johnston 1924-7-29 8882 Riverside Lone Oak Ranch, Banning-Idyllwild Road. 1037 Comment
  RSA627501  Rosa californica Scott D. White 1998-7-31 6940 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park; San Jacinto Mts. 1707 Comment
  RSA0030906  Rubus parviflorus var. hypomalacus Norman C. Cooper 1944-6-17 2008 Riverside San Jacinto Mtns., above Banning. 1219 Comment
  UCR137712  Rumex crispus D. L. Banks 1997-3-29 1567 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Headwaters of Pala Creek at the S extremity of the Reservation, north of the Riverside/San Diego Co. line, west of the intersection of Magee Truck Trail and Moreno Rd including a large area of vernally wet grassland at the extreme SW corner of the Reservation 409 Comment
  RSA221061  Rumex crispus E. W. Lathrop 1966-5-8 6412 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  UCR91544  Rumex dentatus Chet McGaugh 1996-4-26 s.n. Riverside San Jacinto Valley, Hemet, 0.25 mi west of State St., between Esplanade and Cottowood 465 Comment
  UCR115996  Rumex hymenosepalus A. C. Sanders, Pam MacKay, E. J. Lawlor, C. L. Sanders 2000-3-19 23319 Riverside Shipley-Skinner Reserve area, Diamond Valley, off old Rawson Rd. north of Crown Valley, on future bed of Diamond Val. Reservoir, now filling 488 Comment
  UCR8209  Rumex salicifolius var. denticulatus B. Freeman 1969-6-27 690627- 5 Riverside San Jacinto Mtns., University of California James Reserve Trailfinders' Camp, near Lake Fulmor, on road from Banning to Idyllwild. Occurring north of lodge beside Indian Creek, and along creek nearest to gate, near Indian Creek Comment
  SEINET3005062  Rumex salicifolius var. mexicanus G. Rink 2011-4-30 10500 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe, sandy 91 Comment
  RSA759245  Rupertia physodes Robert Allen 2008-5-17 s.n. Riverside Bear Canyon Trail. Near boundary of San Mateo Wilderness 675 Comment
  HSC27202  Salazaria mexicana J. P. Smith, J. O. Sawyer 1973-6-10 6889 Riverside Joshua Tree National Monument. Comment
  RSA6466  Salix exigua H. P. Bracelin 1932-4-12 599 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  SBBG33641  Salix exigua T. L. Secrest 1951-5-20 Riverside ca. 6 mi S of Banning 1219 Comment
  UCR92270  Salix exigua Scott D. White 1995-8-23 3571 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  RSA0105852  Salix exigua Alan Romspert 2000-7-28 s.n. Riverside Santa Ana Riverbed between Riverside Ave & Market St. Bridge. Comment
  RSA770929  Salix gooddingii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4786 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR167784  Salix gooddingii T. B. Salvato, Gregg Miller 2005-6-3 1359 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
  HSC82747  Salix laevigata R. F. Thorne, W. A. Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54101 Riverside Flood Plain along Whitewater River, 3 mi. N of Whitewater Post Office. 591 Comment
  JOTR35496  Salix laevigata La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3184 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Upper Smithwater Canyon, NW of Quail Mtn. (Biodiversity Hunt stop2) 1295 Comment
  UCR116461  Salix laevigata A. C. Sanders, T. B. Salvato 2001-3-30 23857 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. Pina Colada 366 Comment
  UCR90952  Salix laevigata Scott D. White 1996-3-16 3827 Riverside Perris Basin, Lakeview Mtns, north of Winchester, at 'Maze Stone' Picnic Site 610 Comment
  SBBG54391  Salix lasiolepis P. Wilder 1971-3-20 4896 Riverside Santa Ana River at end of Pedley Street, Norco, on S side of Santa Ana River 243 Comment
  UCR133107  Salix lasiolepis 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
  POM9287  Salix lasiolepis Philip A. Munz, R. D. Harwood 1920-2-28 3260 Riverside 2 mi. southeast of Corona 305 Comment
  CAS-BOT-BC128376  Salix lasiolepis var. lasiolepis Peter H. Raven 1958-5-17 12965 Riverside Dark Canyon Camp Ground, San Jacinto Mountains Comment
  UCR35143B  Salsola australis L. B. Ziegler 1976-6-20 550 B Riverside San Jacinto Valley 473 Comment
  RSA0112082  Salsola tragus Duncan S. Bell 2010-10-23 1982 Riverside Arica Mountains; northwest section of range; collecting in the vicinity of the California Aqueduct. 282 Comment
  UCR52073  Saltugilia australis D. C. Hawks 1988-4-2 s.n. Riverside Peninsular Range, Tule Creek drainage, 1.75 mi. (airline) NE of Aguanga, SE of intersection of Dove Dr. and Sycamore Falls, south of Hwy 371, between Aguanga and Anza 945 Comment
  RSA0120307  Saltugilia latimeri Duncan S. Bell 2016-4-16 9320 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  RSA0094600  Saltugilia latimeri Mary F. Spencer 1920-4-11 1569 Riverside Palm Springs. Comment
  RSA627515  Saltugilia splendens Scott D. White, Julie Greene 1998-8-1 6969 Riverside Idyllwild Area: Roadside uplands and meadows within residential community above/parallel to E bank of Strawberry Creek between crossing at Circle Drive and Humber Park. 1829 Comment
  UCR11221  Salvia X bernardina Dennis E. Kucera 1970-4-14 s.n. Riverside Peninsular Range; Moreno Valley, Residence of D.E. Kucera at 11681 Dalehurst Road, Sunnymead 625 Comment
  POM13845  Salvia apiana E. C. Jaeger 1921-7-15 s.n. Riverside Massacre Canyon Comment
  POM49157  Salvia apiana Charlotte M. Wilder 1905-06 627 Riverside Wilder's Canyon, Jurupa Hills. Comment
  UC25654  Salvia apiana Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  UCR121341  Salvia apiana A. C. Sanders, Mark Elvin, , Vipul Joshi 2002-4-26 25030 Riverside The Badlands, west fork of Laborde Canyon near old rocket test facility 622 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
  RSA175251  Salvia columbariae Robert F. Thorne 1963-3-29 32435 Riverside Mouth of arroyo near Eagle Mt. Pumping Station, S side of Eagle Mts., ca. 12 miles W of Desert Center. 534 Comment
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Apr 24 2011
  RSA396472  Salvia columbariae Walter Wisura 1987-5-21 4150 Riverside 4.6 miles from Hwy 243 along old Idyllwild rd. Comment
  RSA649328  Salvia columbariae T. W. Niilus 1970-3-16 N 69 Riverside Collected 3mi NW of Alberhill. 396 Comment
  SEINET3242547  Salvia columbariae Norman C. Cooper 1944-1 1149 Riverside Banning, Riverside Co. 701 Comment
  UC404039  Salvia columbariae Dr. D. P. Barrows before Aug., 1898 30 Riverside Cahuilla Indians Comment
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Sep 23 2009
  UCLA70166  Salvia columbariae Norman C. Cooper 1944-4-21 1149 Riverside Banning 701 Comment
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Mar 13 2011
  UCR174371  Salvia columbariae A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32657 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  UCR177398  Salvia columbariae Marisa Sripracha, K. A. Boyd 2004-3-21 051 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  SBBG6390  Salvia eremostachya H. and M. Dearing 1942-3-29 4848 Riverside Dos Palmas Spring, near Palms to Pines Hwy Comment
  CAS-BOT-BC226136  Salvia greatae J. C. Roos 1958-3-29 s.n. Riverside In Salt Creek Wash, 3 miles N. of Coachella Canal on E. base of Orocopia Mtns. 304 Comment
  SEINET11587887  Salvia mellifera T. Salvato, Marcs, Rari 2016-4-26 8358 Riverside Santa Ana Mountains Comment
  UCLA69967  Salvia mellifera unknown 1905-5-15 828 Riverside Wilder's Canyon 320 Comment
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Feb 3 2013
  POM11929  Salvia pachyphylla subsp. pachyphylla P. A. Munz 1922-6-29 5888 Riverside Santa Rosa Mountains: Santa Rosa. 2134 Comment
  POM4389  Sambucus mexicana O. W. Robinson 1916-3-29 s.n. Riverside Burton's Canyon south of Lake Elsinore. Comment
  RSA500135  Sambucus mexicana Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3675 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  RSA674919  Sanicula crassicaulis Scott D. White 2000-5-1 7737 Riverside Corona: Western foothills of Santa Ana Mountains near Bedford Canyon. 351 Comment
  POM113415  Sanicula tuberosa J. B. Feudge 1926-4-10 1368 Riverside Reche Canyon. 610 Comment
  UCR13389  Sanicula tuberosa O. F. Clarke 1973-3-10 s.n. Riverside Peninsular Range; San Jacinto Mtns. Foothills, Hemet, from Loomis Ranch 640 Comment
  UCR16094  Sarcostemma cynanchoides M. J. Arbaugh 1978-4-29 s.n. Riverside Western Colorado Desert, N of Mecca, 1 mi. N on Painted Canyon Road Comment
  UCR1613  Sarcostemma cynanchoides R. G. Barber 1962-5-8 78 Riverside Sycamore Canyon 306 Comment
  RSA585633  Saxifraga californica D. L. Banks, Steve Boyd 1995-3-15 0068 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 720 Comment
  RSA781198  Schismus arabicus A. C. Sanders 2010-3-25 37629 Riverside northeast side of the Salton Sea, Hwy 111 at Mortmar near North Shore (Desert Beach), near Marina Dr. -60 Comment
  UCD93253  Schismus barbatus D. C. Finfrock 1951-4-4 s.n. Riverside 33 mi. E. of Indio. Comment
  UCR116509  Schismus barbatus A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20656 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
  UCR19303  Schismus barbatus John C. Roos 1952-3-19 5400 Riverside Peninsular Range, Box Springs Mountains [east edge of Riverside] 457 Comment
  UCR56086  Schismus barbatus J. A. Adams 1966-3-12 440 Riverside Peninsular Range, Hwy 74, 5 mi east of Elsinore, toward Perris 503 Comment
  UCR97484  Schismus barbatus A. C. Sanders 1997-3-1 19705 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  UCR50002  Scirpus cernuus Theo Glenn 1987-6-15 s.n. Riverside Western Colorado Desert, Coachella Valley, Thousand Palms Oasis, in the Indio Hills. 168 Comment
  SEINET13276759 Image available Scirpus microcarpus Mitch Provance 2012-1 196 -01 Riverside San Bernardino Valley: Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave (Riverside 7.5' Q.) 226 Comment
  UCR207610  Scirpus robustus O. F. Clarke 2004-5-7 s.n. Riverside Peninsular Range; San Jacinto Valley, San Jacinto Wildlife Area 442 Comment
  UCR16024  Scrophularia californica B. A. Carlson 1978-4-1 s.n. Riverside San Bernardino Mtns., White Water Canyon, c. 4 mi north of Interstate 10 640 Comment
  RSA425198  Scrophularia californica subsp. floribunda Christopher Davidson 1975-6-16 2801 Riverside Ca. 2 miles S of Banning on road R1 to Idyllwild. 823 Comment
  OBI37452  Secale cereale H. B. Fawcett 2014-3-3 1183 Riverside Riverside, Citrus Experiment Station. Cover crop expt Comment
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Dec 1 2014
  RSA697610  Securinega fasciculata var. hallii J. R. Bruff 1928-4-2 168 Riverside Cottonwood Springs. Comment
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Oct 9 2010
  POM9814  Selaginella asprella Edmund C. Jaeger 1921-6-25 276 Riverside San Jacinto Mountains, below Tacquitz [Tahquitz] Ridge 2590 Comment
  UCR41371  Selaginella bigelovii N. M. Fellows 1985-1-5 60 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mtn., 1 mi west of Snow Creek Village 506 Comment
  CAS-BOT-BC62079  Selaginella eremophila Ira L. Wiggins 1938-3-25 8925 Riverside Eagle Canyon, 3-5 miles south of Palm Springs Comment
  CAS-BOT-BC62083  Selaginella eremophila S. B. Parish 1907-4-18 6111 Riverside Western edge of the Colorado Desert 200 Comment
  CAS-BOT-BC62090  Selaginella eremophila Milo S. Baker 1928-4-3 3296 a Riverside Palm Canyon Comment
  POM6431  Selaginella eremophila Philip A. Munz, L. Street, G Williams 1919-3-25 2324 Riverside Palm Canyon. 243 Comment
  SEINET10470978  Selaginella eremophila Rolla M. Tryon 1950-7-13 Tryon 5057 Riverside Palm Springs, at the edge of boulders in the desert close to the mountain side. Dry, sunny. A very hot and dry habitat. More abundant on the lowest slope of the mountain than on the desert. Growing in sand and gravel on the north side of boulders. Comment
  UCSB7410  Senecio flaccidus var. douglasii Ferris, R.; Bacigalupi, Rimo 1953-4-20 Riverside Road to Las Palms Canyon, ca. 4 miles N. of Shaver Summit Comment
  CAS-BOT-BC364132  Senecio mohavensis John Thomas Howell 1928-3-24 3527 Riverside Painted Canon [Canyon], Colorado Desert Comment
  JOTR36444  Senecio mohavensis La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3414 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  SBBG81721  Senecio mohavensis S. A. Junak 1983-3-23 1625 Riverside E side of Jefferson Rd across from entrance to Cahuilla Lake County Park, S of Indio Comment
  UCR251920  Senecio mohavensis Jim Andre 2013-3-27 24820 Riverside NE Colorado Desert, east side of Riverside Mountains, along Hwy 95, 13.2 mi south of Vidal Junction 126 Comment
  RSA673503  Senecio vulgaris Scott D. White, Sandy Leatherman 2000-4-19 7670 Riverside Santa Ana Mountains/Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east-and north-facing slopes. 640 Comment
  UCR114303  Senecio vulgaris Julie A. Greene 1993-4-7 1128 Riverside San Jacinto Valley, San Jacinto Wildlife Area. Edge of drying flood area, west of Davis Road. 433 Comment
  SD229147  Senegalia greggii Dick Schwenkmeyer 2012-10-16 931 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 551 Comment
  JOTR30067  Senna armata La Doux, Tasha, Mike Bell, Katy Mathews, Alice Miller, Amber Holt 2007-5-23 1697 Riverside Joshua Tree National Park. Stop # 3 = Near Geology Tour rd., N of Malapai Hill 1219 Comment
  JOTR31960  Senna armata La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2196 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; deep-cut drainage in southwest Pinkham Wash Comment
  SEINET2116165  Setaria adhaerens R. E. Riefner Jr. 2005-10-7 05 -723 Riverside Tequesquito Arroyo Park, Riverside West Quad: City of Riverside, residential lots along Elderwood Ct. at Tequesquito Ave 240 Comment
  CAS-BOT-BC109422  Sidotheca emarginata E. A. McGregor 1941-6-12 32 Riverside Santa Rosa Mountain. Comment
  RSA525357  Silene antirrhina Steve Boyd, A. C. Sanders, Mark Skinner 1990-4-28 4453 Riverside Vail Lake area, benches along Kolb Crk., W of Dripping Springs, N of Hwy 79. 487 Comment
  UCR113540  Silene antirrhina Mitch Provance 1998-6-6 693 Riverside Jurupa Mountains, Jensen Quarry, Sunnyside area on W side of Sierra Blvd, just east of corner of 29th St. and Scenic Drive 262 Comment
  RSA544418  Silene gallica Steve Boyd, Timothy S. Ross 1991-6-14 6386 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  RSA560367  Silene gallica Steve Boyd 1992-4-14 6823 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail. 341 Comment
  RSA784842  Silene laciniata J. D. Olmsted 1958-6-10 159 Riverside Santa Ana Mountains. Oak Flat Fire road 2 miles NE of Oak Flat and 7 miles SW of Corona (turn from US at Lincoln in South Corona by pottery shop). 777 Comment
  UCSB42107  Silene laciniata subsp. laciniata Roos, John 1981-07 Riverside Sky Line Drive, south of Corona, Santa Ana Mtns. Comment
  RSA438889  Silene laciniata subsp. major N. C. Cooper 1944-6-4 1318 Riverside Elsinore Mountain; Lookout at top. 1066