Search Results — 2000 specimen records retrieved (1886 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SBBG94847  Abies concolor F. C. Vasek 1976-7-4 760704 -2 Riverside Pine Cove 1828 Comment
  CSUSB1083  Abronia villosa Heather Hanson 1966-5-12 s.n. Riverside found in field 50 yards south of roadside. Highway 74 from Hemet to Idyllwild. 609 Comment
  SBBG27783  Abronia villosa D. Myrick 1964-4-30 813 Riverside Pines to Palms Hwy 74 at Palm Desert Comment
  UC1392988  Abronia villosa R. F. Hoover 1969-4-14 11232 Riverside Just s of s city limit; Palm Springs Comment
  UC851656  Abronia villosa Ira L. Wiggins 1937-3-9 8769 Riverside n Indio Comment
  SEINET11941850  Abronia villosa E. A. Purer 1935-1 6453 Riverside Near Palm Springs, W edge of Colorado Desert Comment
  SD148115  Abronia villosa var. aurita A. C. Sanders, Mitch Provance 1999-9-26 23086 Riverside San Jacinto Mountains: Lake Hemet, north shore at FS day use area. 1323 Comment
  UC1234717  Abronia villosa var. aurita Philip A. Munz 1957-6-6 22731 Riverside 2 mi n Alberhill; Temescal Canyon Comment
  RSA0056450  Abronia villosa var. aurita I. W. Clokey, E. G. Anderson 1935-4-5 6609 Riverside Hemet. 500 Comment
  GMDRC7787  Abronia villosa var. villosa J. M. Andre 2015-3-6 33546 Riverside Coachella Valley: sandy flats along Snow Canyon Rd, just south of Hwy 111 362 Comment
  RSA779627  Abronia villosa var. villosa Duncan S. Bell 2010-4-1 661 Riverside Arica Mountains: east side of the mountain range, west side of Rice Valley, near the lowest eastern drainage point for the Arica mountains ; approximately 4.3 air miles southeast of the ghost town of Rice. 209 Comment
  CAS-BOT-BC30904  Acamptopappus sphaerocephalus Joy Keck 1935-4-14 3837 Riverside Lower Morongo Canyon, Colorado Desert Comment
  POM1068  Achnatherum coronatum H. M. Hall 1901-06 2078 Riverside South side of San Jacinto Mountains. 1463 Comment
  UC1601392  Achnatherum speciosum H. M. Hall May 1899 1177 b Riverside Riverside, El Toro Mt. El Toro Mt. 1524 Comment
  RSA423484A  Achyronychia cooperi M. B. Dunkle 1935-3-17 4399 Riverside Colorado Desert. 610 Comment
  UCSB38677  Acmispon brachycarpus Cowan, Clark 1978-4-23 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon; Whittaker transect #W-217 570 Comment
Read comments
Apr 2 2011
  UC1922060  Acmispon glaber Scott D. White, Angelia Carey 2004-4-5 10005 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Comment
  LA48109  Acmispon heermannii Elizabeth McClintock; 1938-7-17 sn Riverside San Jacinto Mountains, near Pine Cove Comment
  SBBG51126  Acmispon micranthus N. R. Zabriskie, W. Zabriskie 1973-4-3 609 a Riverside top of Poorwill Cyn, Andreas Cyn area 426 Comment
  JOTR36477  Acmispon nevadensis var. nevadensis La Doux, Tasha, M. Harding, K. Callahan, D. Shade, M. Wheeler, T. Herskovits 2013-6-5 3199 Riverside Joshua Tree National Park. Little San Bernardino Mtns, lower Smithwater Canyon 1219 Comment
  RSA0124285  Acmispon strigosus Duncan S. Bell 2016-4-16 9325 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  SJSU10339  Acmispon strigosus R. C. McGehee 1970-4-15 203 Riverside Wileys Well, Wileys Well Rd, 20 mi SW of Blythe via Hwy 60 Comment
  RSA500535  Acourtia microcephala Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3625 Riverside Vail Lake area, just S of Jtn Hwy 79 and road to Vail Lake Marina, Butterfield Valley. 457 Comment
  JOTR37455  Adenophyllum cooperi Hodges, Stephen, T. Green 2016-5-24 577 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; On slopes with granitic boulders descending down east side of Minerva Hoyt peak towards Lost Horse area and in sandy washes beneath slopes (Stop 3). Comment
  JOTR32433  Adenophyllum porophylloides La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade` 2011-4-26 2281 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; sandy flats at base of mountains and northern edge of valley (Stop 4) 996 Comment
  UCR174035  Adenostoma fasciculatum A. C. Sanders 2006-5-19 32432 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
  CAS-BOT-BC139870  Adenostoma sparsifolium Navin 1890-1-1 s.n. Riverside San Jacinto Mts. Comment
  POM10280  Adenostoma sparsifolium Wilder 1908-08 s.n. Riverside San Jacinto Mountains. Comment
  SEINET3077198 Image available Adenostoma sparsifolium Howard Scott Gentry 1974-8-26 23434 Riverside Mountain slope ca. 4 miles NE of Anza. 1372 Comment
  JEPS32114  Agnorhiza ovata Carl V. Meyer 1929-6-18 783 Riverside near Kenworthy (at edge of Hemet Valley); Hemet Valley Comment
Read comments
Mar 25 2011
  RSA740943  Agoseris grandiflora Scott D. White, Justin M. Wood 2008-6-17 12185 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  CAS-BOT-BC46154  Agoseris heterophylla F. W. Peirson 1922-5-20 3045 Riverside Hemet Valley, San Jacinto Mts. 1371 Comment
  UCR240630  Agoseris retrorsa Tracy Tennant, Mitch Provance 1998-6-16 MOR- 401 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1052 Comment
  UCR44418  Agoseris retrorsa A. C. Sanders 1986-6-1 06562 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  UCSB37902  Agrostis exarata A. C. Sanders 1980-7-18 # 1668 Riverside collected 2.0 mi SW along Thomas Mountain Rd at Spillway Canyon, in the Thomas Mountains State Highway 74 - Spillway Canyon, State Highway 74 and Thomas Mtn. Rd. 1462 Comment
  RSA482017  Agrostis idahoensis Richard Noyes, L. Arnseth 1988-9-10 728 Riverside San Jacinto Mountains. Northeast section of Little Tahquitz Valley, 2 air miles northeast of Tahquitz Peak. 2378 Comment
  SEINET954736  Agrostis viridis T. B. Salvato, Sarah Flack 2007-1 3029 Riverside San Gabriel Mtns: East Fork Road crossing over the north fork of the San Gabriel River, Islip Saddle. 201 Comment
  UC63836  Allium burlewii H. M. Hall 1901-6 2310 Riverside ridges and peaks near Tauquitz; San Jacinto Mountains 1981 Comment
  CAS-BOT-BC247  Allium cratericola Philip Alexander Munz; Ivan Murray Johnston 1922-5-21 5512 Riverside Kenworthy, San Jacinto Mts 1417 Comment
  POM14403  Allium cratericola Philip A. Munz, I. M. Johnston 1922-5-21 5512 Riverside Kenworthy, San Jacinto Mountains. 1418 Comment
  UCSB18432  Allium fimbriatum Smalley, G. 1964-5-10 Riverside Pinyon Flats Campground, State Highway 74 1249 Comment
  RSA678265  Allium haematochiton Valerie L. Soza, Steve Boyd, Neil Gilbert 2000-12-6 1066 -b Riverside McCall Memorial Park. 1341 Comment
  RSA532558  Allium munzii David E. Bramlet 1991-5-9 2136 Riverside North Domenigoni Hills, some 0.5 mile southeast of the end of Warren Rd. On large prominent peak in the NW corner of section 31 and adjacent to an old quarry area. 659 Comment
  UCR156477  Allium munzii Jason L. Hlebakos 2005-5-3 618 Riverside Santa Ana Mtns, Open slope east and downslope from Elsinore Peak 1049 Comment
  JOTR35461  Allium parishii Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 64 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats (stop4) Comment
  UCR77593  Allium peninsulare Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6130 Riverside SE end of Gavilan Hills, east of Arroyo del Toro, north-facing slope of low hill 488 Comment
  RSA367119  Allium praecox E. Crow 1929-4-7 312 Riverside East end of Corona Skyline Drive, Santa Ana Mountains. Comment
  SD67629  Allium praecox I. W. Clokey, E. G. Anderson 1935-4-16 6550 Riverside East of Hemet, steep slope, decomposed rock. 640 Comment
  RSA715257  Allophyllum glutinosum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32497 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 488 Comment
  UCR281272  Allophyllum glutinosum Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-14 417- 30 Riverside Peninsular Ranges, Sedco Hills (east end), along transmission road, from 0.2 mi W of Beverly St. to the vicinity of intersection with Green Meadow Way 592 Comment
  RSA740088  Alnus rhombifolia Justin M. Wood 2008-11-17 231 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  RSA91231  Alnus rhombifolia F. W. Peirson 1928-3-10 7698 Riverside along irrigation ditch, Snow Creek Auto Camp at Whitewater, head of Coachella Valley. Comment
  UCR92341  Amaranthus albus Scott D. White 1995-7-7 3447 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  JOTR33808  Amaranthus fimbriatus La Doux, Tasha, B. Truesdell 2007-11-9 3325 Riverside Joshua Tree National Park. Eagle Mountains; Lost Palms Canyon, near mouth of canyon along south park boundary (STOP 3) 635 Comment
  RSA339055  Amaranthus fimbriatus R. F. Thorne, Rolf, Gertrud Dahlgren 53552 Riverside Joshua Tree National Monument: Just S of San Bernardino Co. line near jct of road to Split Rock and 29 Palms; Valley W of Pinto Mountains 1098 Comment
Read comments
Apr 25 2011
  RSA737434  Amaranthus palmeri Justin M. Wood 2008-8-31 122 Riverside Romoland, 1/4 mile S of Ethanac Rd. between San Jacinto Rd. and Palomar Rd. just south of railroad tracks. 442 Comment
  RSA715262  Amaranthus retroflexus A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23169 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. E of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr. 433 Comment
  CAS-BOT-BC13610  Ambrosia acanthicarpa D. E. Breedlove 1961-8-5 949 Riverside Along state highway 74, 5 miles east of Keen Camp, Hemet Valley, San Jacinot Mountains 1341 Comment
  CAS-BOT-BC13614  Ambrosia acanthicarpa Lewis S. Rose 1966-12-11 66094 Riverside Palm Springs 152 Comment
  SEINET156174  Ambrosia acanthicarpa Norman C. Cooper 1943-9-10 916 Riverside Banning. 610 Comment
  CDA9958  Ambrosia acanthicarpa Wright s Office Nov 1948 Riverside 0 Comment
  CAS-BOT-BC45011  Ambrosia confertiflora Louis C. Wheeler 1933-12-1 2278 Riverside Banning 731 Comment
  CAS-BOT-BC22608  Ambrosia dumosa S. Smith-White; A. Johnson 1963-4-12 63 -335 Riverside Joshua Tree National Monument: about 7 mi S of Entrance to Cottonwood Springs Campground Comment
  JOTR28961  Ambrosia dumosa La Doux, Tasha 2005-3-30 1197 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  JOTR36091  Ambrosia dumosa La Doux, Tasha, A. Johnson, A. Miller, T. Vaughn 2007-10-25 3318 Riverside Joshua Tree National Park. Pinto Mtn foothills, San Bernardino Wash, approx. 0.75 km south of Sunset Mine (STOP4). 475 Comment
  POM14015  Ambrosia dumosa Philip A. Munz, D. D. Keck 1922-4-13 4934 Riverside Eagle Mountains 274 Comment
  RSA26835  Ambrosia dumosa I. L. Wiggins 1941-3-24 9575 Riverside Along eastern side of Salton Sea, 2.7 miles south of Mortmar. Comment
  RSA761044  Ambrosia dumosa Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-21 152 Riverside N of Desert Center. Jct of Hwy 177 and Kaiser Rd. W of Kaiser Rd. N of Hwy 177. 335 Comment
  RSA792912  Ambrosia dumosa Aaron C. Sedgwick, Duncan S. Bell 2012-9-12 117 Riverside Rice Valley - Take Rice/Blythe Rd. south ~3 mi. from Hwy. 62, then head east on an unmarked BLM road. 235 Comment
  UCR216256  Ambrosia dumosa Mike Bell 2008-3-19 047 Riverside Sonoran (Colorado) Desert, Coachella Valley; 2 miles west of Desert Hot Springs, north of Pierson Blvd. and west of North Indian Canyon Dr. 396 Comment
  UCR228404  Ambrosia dumosa Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-20 148 Riverside Colorado Desert; Little San Bernardino Mountains region, W of Palen/ McCoy Wilderness. Intersection of Hwy 177 and Palen Pass Rd (kiosk) 366 Comment
  UCR41219  Ambrosia dumosa N. M. Fellows 1985-3-3 76 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mountain, l mile west of Snow Creek Village 489 Comment
  OBI47946  Ambrosia ilicifolia David J. Keil, Ann Cochran 1986-12-1 s.n. Riverside Along I-10 between Desert Center and Blythe Comment
  HSC87232  Ambrosia salsola Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2132 Riverside N end of the Palen Mtns., 2 mi. W of Palen Pass 300 Comment
  SD229060  Ambrosia salsola Dick Schwenkmeyer 2012-11-6 862 Riverside Palm Canyon, Ague Caliente Indian Reservation, 2.6 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 178 Comment
  UCR279472  Ambrosia salsola A. C. Sanders, Jim Malusa 2017-3-29 43194 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 2.8 km south of the confluence of Red Canyon and Salt Creek 460 Comment
  SEINET10875649  Ambrosia salsola David B. Dunn, Shogo; Schroeder; Bruskin; A. Folsom 1948-3-14 Dunn 3726 Riverside Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  SEINET6734852 Image available Ambrosia salsola H. M. Hall 1905-1 5983 Riverside Colorado Desert, Chuckawalla Springs, lower Sonoran zone Comment
  JEPS121565  Ambrosia salsola var. salsola Adam C. Schneider with Will Freyman 2014-2-16 416 Riverside West side of Highway 177. Comment
  JEPS39427  Ambrosia salsola var. salsola Florence Brubacker and Margaret Stason 1928-3-3 7697 Riverside vicinity of Hidden Springs; Colorado Desert, Hidden Springs 0 Comment
  UCSB6610  Ambrosia salsola var. salsola Haller, John 1960-4-2 Riverside Orocopia Mountains, 1.5 mi. S of the junc. of U.S. 60-70 and the S entrance road to Joshua Natl. Monument 579 Comment
  POM1907  Amorpha fruticosa Crawford 1919-6-9 1225 Riverside Santa Ana River, near Corona. 152 Comment
Read comments
Sep 17 2008
  UCR261444  Amsinckia A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41435 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  POM3931  Amsinckia intermedia I. M. Johnston 1918-5-30 876 Riverside Temecscal Canyon (near Lee Lake). 335 Comment
  SDSU18973  Amsinckia intermedia C. Matt Guilliams 2008-2-27 487 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. 449 Comment
  SDSU20040  Amsinckia intermedia Michael G. Simpson 2012-4-27 3689 Riverside Skunk Hollow Vernal Pool Preserve, top of hill (near fence and vertical rebar marker), ca. 350 feet southwest of west end of vernal pool. 412 Comment
  UC306211 Image available Amsinckia intermedia Ivan Johnston 1917-3-1 Riverside mouth Andreas Canyon; ; Mouth of Andreas Canon 243 Comment
Read comments
Nov 27 2010
  SEINET238668  Amsinckia menziesii A. C. Sanders 1998-1-15 21644 Riverside Lake Skinnder area: along old Rawson Road just north of Crown Valley above Diamond Valley at waterline of proposed res 518 Comment
  SD178189  Amsinckia tessellata A. C. Sanders 2005-4-22 29595 Riverside Gavilan Hills: Gavilan Plateau ca. 0.75 air mi. southeast of summit of Gavilan Peak. 625 Comment
  UCR65284  Amsinckia tessellata var. tessellata Steve Boyd, D. E. Bramlet, Harry Spilman 1989-4-30 3512 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, N edge of the Gavilan Plateau, east of Gavilan Creek 610 Comment
  RSA650083  Anagallis arvensis Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. 610 Comment
  UCR133676  Anagallis arvensis John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  RSA0013033  Anemopsis californica LeRoy Gross, Caitlin Elam 2013-5-14 6052 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. Started near 1332 Comment
  RSA192108  Anemopsis californica E. W. Lathrop 1965-5-27 5204 Riverside 6 miles west of Murrieta. Comment
  RSA621891  Anemopsis californica Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3671 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  UC1930030  Anisocoma acaulis Scott D. White, Justin Wood 2008-5-15 11964 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. (Idyllwild) Comment
  RSA388498  Antirrhinum coulterianum Steve D. Boyd 1986-5-1 1819 Riverside Bachelor Mtn.: Lower south slopes of Bachelor Mtn., east end of Lake Skinner. Comment
  RSA747565  Antirrhinum coulterianum Michael Honer 2003-4-16 1824 Riverside Gavilan Hills, W slope: about 1 mile N of I-15 freeway, 1 mile E of Lake St. exit. On and around peak '2349' 640 Comment
  RSA0120316  Antirrhinum filipes Duncan S. Bell, Thomas Stoughton 2016-3-16 8955 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central/southeastern section of range, approximately 2.5 air miles north of Gucci Spring. 511 Comment
  RSA336198  Antirrhinum filipes Robert F. Thorne, A. Shmida, R. Whittaker 1978-4-23 52014 Riverside Chino Canyon. Comment
  CAS-BOT-BC372463  Antirrhinum nuttallianum A. C. Sanders 2011-3-29 38843 Riverside Meadowbrook area between Perris and Lake Elsinore along Highway 74 at Wasson Canyon Road and to c. 1/2 between Wasson and Hammack Ave., Edge of Gavilan Hills, Lake Elsinore 7.5' Q., Southeastern Range 500 Comment
  UCR154379  Antirrhinum nuttallianum A. C. Sanders, Mike Misenhelter 2005-6-15 30957 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
  RSA180395  Antirrhinum nuttallianum subsp. nuttallianum E. W. Lathrop 1960-6-8 4930 Riverside 14 miles west of Murrieta Comment
  RSA715197  Apiastrum angustifolium A. C. Sanders 2006-5-19 32388 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn/Scott Rd. and north of Clinton Keith Rd. 518 Comment
  CLARK-A1703-1243  Apium graveolens Robin L. Kobaly, Larry Beck 1975-7-21 Riverside Santa Ana River Comment
  RSA46854  Aquilegia formosa Wilder 1903-07 s.n. Riverside Strawberry Valley Comment
  RSA66764  Arabis perennans E. C. Jaeger 1922-6-29 5443 Riverside Tahquitz Valley, San Jacinto Mts. 2104 Comment
  CLARK-A1528-4978  Arabis pulchra John C. Roos 1947-2-15 3232 Riverside Eagle Mountains Comment
  UCR208215  Araujia sericifera Scott D. White 2001-6-22 8601 Riverside Peninsular Range, Corona; bajada below the Santa Ana Mts., near the jtn. of Cleveland Way and Fullerton Av., about 2 road mi S of the jtn. Fullerton Av. and Ontario Av. 412 Comment
  RSA629474  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19513 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  UCR4057  Arctostaphylos glandulosa Carole Sims 1965-4-28 s.n. Riverside San Jacinto Mtns, 10 mi from Banning toward Idyllwild 1067 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
  RSA125340  Arctostaphylos glandulosa var. adamsii P. H. Raven 1958-5-17 12958 Riverside 3.4 miles south-east of Banning on road to Idyllwild, San Jacinto Mountains Comment
Read comments
Mar 3 2013
  CAS-BOT-BC24669  Arctostaphylos glauca Philip A. Munz 1953-5-31 18516 Riverside Ridge between Juniper Flats and Stubby Springs, Joshua Tree National Monument. 1402 Comment
  CLARK-A1045-104  Arctostaphylos glauca George K. Helmkamp 1977-3-20 Riverside San Jacinto Mountains flats above Deep Canyon; ; Palm Desert 15'Q 1066 Comment
  POM367314  Arctostaphylos glauca Anstruther Davidson 1892-05 1765 Riverside Banning. Comment
  RSA631729  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19291 Riverside Highway 79, at Radec. 580 Comment
  RSA633541  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22666 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA633747  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21798 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA635597  Arctostaphylos peninsularis subsp. peninsularis Jon E. Keeley 1992-7-17 16745 Riverside Morris Ranch Rd. (6S06), 6.3 km east of Hwy 74, western base of Pyramid Pk., San Jacinto Mountains. 1680 Comment
  CAS-BOT-BC44328  Arctostaphylos pringlei subsp. drupacea C. B. Wolf 1931-5-11 1948 Riverside Rocky ridges near Pipe Creek, above Hemet Valley, San Jacinto Mts. 1676 Comment
  CAS-BOT-BC44364  Arctostaphylos pringlei subsp. drupacea Carl V. Meyer 1927-6-1 207 Riverside Saunders Meadow, San Jacinto Mts. 1706 Comment
  POM367421  Arctostaphylos pringlei subsp. drupacea R. S. Woglum 1937-5-22 545 Riverside Santa Rosa Mountains, near Santa Rosa Indian Reservation. Comment
  RSA635642  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-17 16725 Riverside Hwy 74, 4.3 km west of road (7S02) to Santa Rosa Mtn. 1470 Comment
  RSA635791  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16592 Riverside Standley Rd., south of Red Mtn. Rd., 8.5 km east of R3. 900 Comment
  RSA635802  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16521 Riverside Red Mountain Road, 1.8 km east of R3. 850 Comment
  CAS-BOT-BC46258  Arctostaphylos rainbowensis Steve Boyd 1994-10-14 8380 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest. Fisherman's Camp Trail 462 Comment
  LA105720  Arctostaphylos rainbowensis Steve Myers; 1987-9-15 sn Riverside Santa Rosa Plateau, intersection of Corona Calle Camino and Cerezo Rd., immediately S of Redonda Mesa Comment
  UCR193121  Arenaria douglasii A. C. Sanders, Tim Thomas 2008-6-20 35556 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  UCR48523  Arenaria douglasii Steve Boyd 1986-4-20 1724 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau. 640 Comment
  UC8107  Arenaria macradenia var. macradenia H. M. Hall 1901-6-1 2126 Riverside San Jacinto Mountains, Santa Rosa Mountain, Coyote Canyon 1645 Comment
  POM9996  Argyrochosma jonesii Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA718572  Aristida adscensionis Michael Honer, L. Hulse 2004-4-3 1891 Riverside Nameless canyon appx. 1 mi. W of Pushawalla Cyn., leading up to MWD aqueduct. 488 Comment
  RSA788433  Aristida adscensionis Jim Andre 2011-2-9 15906 Riverside Mecca Hills; along Box Canyon Road at upper end of gorge, approx. 6 miles SSE of Jct. with I-10, approx. 12 miles west of Chiraco Summit 284 Comment
  SD187312  Aristida adscensionis Naomi Fraga, Lisa Rojas 2005-2-10 1378 Riverside Northeastern Colorado Desert region: Just north of Palen Pass Road, ca. 10 miles east of Highway 177. 365 Comment
  CAS-BOT-BC137654  Aristida adscensionis J. A. Ewan 1932-4-11 7089 Riverside Santa Rosa Mountains. Martinez Canyon. 365 Comment
  RSA457765  Aristida adscensionis var. modesta Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2130 Riverside N. end Palen Mountains, 2 miles west of Palen Pass. 300 Comment
  SEINET4342621  Aristida californica N. D. Atwood 1993-3-27 17690 Riverside Sandy benches above and adjacent to coast. Corona Del Mar State Park along Newport coast Drive 30 Comment
  JOTR29565  Aristida californica var. californica Andre, Jim, Tasha LaDoux 2006-4-11 6739 Riverside Joshua Tree National Park. About 1 mi. N. of Pinto Basin Rd (paved), growing in Sand Hill area 526 Comment
  UCR241009  Aristida purpurea Tracy Tennant 1998-3-27 227 Riverside North Hills, Domenigoni Valley area, SE of Winchester 694 Comment
  UCR2162  Aristida purpurea var. nealleyi F. M. Reed 1927-3-18 5426 Riverside Sonoran (Colorado) Desert, Salt Creek Wash, north of Salton Sea 152 Comment
  POM1098  Aristida purpurea var. parishii I. M. Johnston 1917-4-4 1008 Riverside Palm Canyon. 427 Comment
  CAS-BOT-BC137515  Aristida purpurea var. purpurea P. Munz; L. Street 1919-5-7 2725 Riverside Mouth of Tahquitz Canyon. Comment
  POM47177  Aristida purpurea var. purpurea Mary F. Spencer 1920-3-27 1538 Riverside Palm Springs. 122 Comment
  CAS-BOT-BC137491  Aristida purpurea var. wrightii C. L. Hitchcock 1940-3-30 5871 Riverside Cottonwood Springs. Comment
  RSA703454  Aristida purpurea var. wrightii R. E. Riefner Jr. 2004-6-26 04 -210 Riverside Back basin of Lake Elsinore, west off Pete Lehr Drive from Diamond Stadium along berm road. 381 Comment
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Feb 28 2016
  RSA545214  Artemisia californica R. F. Thorne 1970-10 41875 Riverside San Bernardino Mountains- Whitewater canyon: ca. 1350 ft. near bridge and Whitewater Post Office to ca. 2000 ft. up the canyon toward fish hatchery. 610 Comment
  RSA596672  Artemisia californica Darin L. Banks, Lauren Raz 1996-11-5 1146 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
  RSA692227  Artemisia dracunculus Scott D. White 2003-10-9 9823 Riverside Pine Cove area. Dutch Flat. 1753 Comment
  UCR103562  Artemisia ludoviciana subsp. incompta George K. Helmkamp, E. A. Helmkamp 1998-1-7 2557 Riverside San Jacinto Valley, 4.7 mi. SE of Florida Ave. (Hemet) on Bautista Rd. 701 Comment
  POM122002  Artemisia tridentata subsp. tridentata Marcus E. Jones 1900-7-13 s.n. Riverside Dripping Spring, near Temecula. 366 Comment
  CLARK-A1656-632  Asclepias albicans Lois Ann Scott 1978-4-18 Riverside Mecca Hills 304 Comment
  SBBG5693  Asclepias albicans K. K. Muller 1958-3-22 923 Riverside 5.5 mi E of Desert Center Comment
  UC111252  Asclepias californica H. M. Hall Apr. 1897 Riverside Temecula Ck. Nigger Jim Canyon Comment
  UC488986  Asclepias californica C. V. Meyer June 1927 202 Riverside Saunders Meadow San Jacinto Mts. 1676 Comment
  UCR202003  Asclepias californica 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
  SD56841  Asclepias erosa Darley F. Howe 1963-5-15 3482 Riverside 18 miles east of Desert Center. 185 Comment
  CLARK-A1528-123  Asclepias fascicularis Charlotte Stocks 1964-8-24 Riverside San Jacinto Mountains Comment
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Feb 4 2016
  UCR4504  Asclepias fascicularis John Dean 1965-7-28 s.n. Riverside Eastern Colorado Desert, 10 mi. north of Blythe on US Hwy 95 Comment
  RSA524469  Asclepias subulata Steve Boyd, Tim Ross, L. Arnseth, J. Bonilla 1990-4-3 4072 Riverside Vail Lake area, upper benches and adjacent slopes of E flank of Big Oak Mountain, S of E summit. 610 Comment
  SEINET10779851  Asclepias subulata George Engelmann 1880-11-11 Engelmann s.n. 1880 Riverside Mountainside near White Water, San Gorgonio Pass 792 Comment
  UCR16132  Asclepias subulata S. J. Southwell 1971-5-1 s.n. Riverside Western Colorado Desert, Coachella Valley, Thousand Palms Oasis, 300 yds west of road in dry wash 153 Comment
  UCR23408  Asclepias subulata John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, Blythe airport 75 Comment
  UCR41736  Asphodelus fistulosus B. G. Pitzer 1986-3-18 BG 0060 Riverside University of California, Riverside. Botanic Garden 396 Comment
  UCR89799  Aspidotis californica Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3341 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  POM12825  Aster alpigenus Philip A. Munz 1922-9-6 6391 Riverside Round Valley, San Jacinto Mts. 2744 Comment
  POM48847  Aster hesperius Mr Grout, S. Grout 1900-9-27 s.n. Riverside Cienega Comment
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Jul 4 2010
  SD211450  Astragalus aridus Carolyn Martus, Joseph Betzler, Caesara Brungraber, Lance Woolley 2008-4-15 1214 Riverside 30 miles west of Blythe near Palen Dry Lake. From I-10 exit Corn Springs Road north for about 8 miles until you reach Palen Dry Lake. This population is on the south, southwest side of the dry lake. Comment
  UCR166013  Astragalus aridus 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
  JOTR33932  Astragalus bernardinus La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2822 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
  CAS-BOT-BC177721  Astragalus crotalariae T. S. Brandegee 1895-4-17 s.n. Riverside [Borregos] Borrego Springs Comment
  UC217895  Astragalus crotalariae P. A. Munz, D. Keck 1922-4-8 4743 Riverside 1/2 mi e Indio (Colorado Desert); , e of Indio -15 Comment
  UCR213423  Astragalus didymocarpus A. C. Sanders 2010-3-15 37390 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  CAS-BOT-BC182589  Astragalus didymocarpus var. dispermus Geo. B. Grant 1906-4-20 563 -6711 Riverside Palm Springs Comment
  RSA21758  Astragalus didymocarpus var. dispermus C. B. Wolf 1937-4-6 8430 Riverside Coachella Valley, 2 mi. NE. of Edom 30 Comment
  UCR208902  Astragalus douglasii var. parishii I. M. Johnston 1917-4-4 1005 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Andreas Canyon 274 Comment
  CLARK-A1656-728  Astragalus lentiginosus var. coachellae Theo Glenn 1981-4-24 Riverside San Jacinto Mountains Comment
  HSC66565  Astragalus lentiginosus var. coachellae Christopher Davidson, A. P. Romspert, H. Surprenant 1979-4-29 7815 Riverside W of Indio, 3 mi. E of Date Palm Dr. 15 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
  RSA498233  Astragalus lentiginosus var. coachellae Robert M. Perkins, H. de Forest 1937-3-15 381 Riverside 26 miles west of Indio. Comment
  CAS-BOT-BC187488  Astragalus leucolobus P. A. Munz 1922-6-28 5872 Riverside Ridge west of Toro Peak, Santa Rosa Mts. 2529 Comment
  RSA776840  Astragalus nuttallianus var. austrinus Amber Swanson, Duncan S. Bell 2011-3-18 225 Riverside About 3 airmiles SE of Desert Center, N of Chuckwalla Mtns. 392 Comment
  UC667327  Astragalus nuttallianus var. cedrosensis Annie M. Alexander and Louise Kellogg 1941-5-6 2126 Riverside 13 mi sw 29 Palms (Joshua Tree National Monument); Joshua Tree National Monument 1371 Comment
  CAS-BOT-BC192756  Astragalus palmeri Edmund C. Jaeger 1921-4-13 s.n. Riverside Entrance to Martinez Canon [Canyon], Colorado Desert Comment
  UC1329929  Astragalus palmeri James E. Cole 1941-4-8 502 Riverside Split Rock area , Split Rock area (Joshua Tree National Monument) 1219 Comment
  POM26491  Astragalus pomonensis George B. Grant 1898-3-15 1609 Riverside Riverside. Comment
  RSA651407  Astragalus pomonensis J. Bruce Smiley 1940-5-9 s.n. Riverside San Timoteo. 1500 ft. 457 Comment
  UCR139183  Astragalus pomonensis Virginia Moran 2003-4-23 s.n. Riverside March Air Force Base, west of I-215, in vegetation sampling plot set up by Center for Natural Lands Management 488 Comment
  JOTR35434  Astragalus tricarinatus Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows, J. Hoines 2013-4-24 40 Riverside Joshua Tree National Park. Little San Bernardino Mtns; foothillls SW of Quail Mtn and W of Juniper Flats. (stop1) 1499 Comment
  CAS-BOT-BC17416  Athysanus pusillus Steve Boyd 1986-4-2 1603 Riverside Gavilan Plateau, Gavilan Hills. Harford Springs County Park. 640 Comment
  UCR97475  Athysanus pusillus A. C. Sanders 1997-3-1 19701 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  JOTR31971  Atrichoseris platyphylla La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2208 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; large wash at mouth of rocky, narrow canyon 719 Comment
  PASA917  Atrichoseris platyphylla Margaret Stason 1929-4-28 Riverside Hidden Springs Comment
  UC2015364  Atriplex Mark A. Elvin 2005-5-24 4317 Riverside Southern Coastal Slop; Perris Basin: Perris, east of I-215 Comment
  UCR116935  Atriplex argentea A. C. Sanders, D. Malueg 2001-5-17 24359 Riverside Perris-Aguanga Basin, Gasline right of way across Pinto and Hoopes Ranches, east of Briggs Road at and near Warm Springs Creek, south of Scott Rd. 415 Comment
  UCR59478  Atriplex argentea subsp. expansa Ed LaRue 1989-9-22 s.n. Riverside Perris area: just north of intersection of Nuevo Rd and Foothill Ave 457 Comment
  UCR280986  Atriplex argentea var. expansa Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-5-25 517- 60 Riverside Elsinore Trough, Undeveloped area just NNE of Peter Lehr Drive at Diamond Circle, above the E side of the the San Jacinto River 387 Comment
  RSA451005  Atriplex canescens Stephen M. Beckstrom-Sternberg 1985-9-13 1038 Riverside Living Desert Reserve, Palm Desert Comment
  RSA5457  Atriplex canescens C. B. Wolf 1932-10-13 s.n. Riverside Cottonwood Springs. Eagle Mountains 290 Comment
  RSA736730  Atriplex canescens Scott D. White, Angelia Carey, Linda Archer 2004-8-5 10685 Riverside Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
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Sep 26 2009
  UC1136265  Atriplex canescens H. S. Yates 1936-4-7 5414 Riverside Palm Springs San Jacinto Quad., Palm Springs Comment
  UC850757  Atriplex canescens Carl B. Wolf 1932-10-13 4306 Riverside Cottonwood Springs Colorado Desert, , Cottonwood Springs (Eagle Mts.) 289 Comment
  UCR35147  Atriplex canescens L. B. Ziegler 1964-8-11 012 Riverside San Jacinto Mtns., Garner (Hemet) Valley growing alongside Hwy #74, 0.5 mi south of Hemet Lake 1341 Comment
  SEINET10838814  Atriplex canescens var. laciniata Jon Ricketson, Heidi H. Schmidt 1992-10-25 Ricketson 4925 Riverside Salton Sea. At the junction of California Highway 111, (Commercial Street), along Vander Veer Road (to North Shore Marina), in the town of North Shore. North end of the Salton Sea, in the Coachella Valley. 60 Comment
  CAS-BOT-BC168530  Atriplex confertifolia D. Bramlet 1991-6-1 2182 Riverside 1.4 km. west of Nuevo and some 10 m. south of the end of 12th Street. The population is some 17 m. east of the San Jacinto River. 473 Comment
  CLARK-A1528-2546  Atriplex coronata var. notatior John C. Roos 1965-6-30 Riverside Perris Comment
  RSA0089542  Atriplex coronata var. notatior D. E. Bramlet, Michelle Balk, R. E. Riefner Jr. 2006-4-3 3923 A Riverside Perris-Aguanga Basin Region; San Jacinto Valley: west Hemet area, north of Stetson Ave. and east of the EMWD canal. 456 Comment
  SD138898  Atriplex coronata var. notatior Craig Reiser 1994-4-1 Riverside Hemet, east of Warren and Florida Streets Comment
  UCR70520  Atriplex coronata var. notatior D. E. Bramlet 1991-5-7 2117 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
  RSA92585  Atriplex coronata var. notatior J. C. Roos 1952-5-14 5668 Riverside San Jacinto river bottomlands 1 miles southeast of Perris. 426 Comment
  CAS-BOT-BC248269  Atriplex glauca R. E. Riefner, Jr. 2002-12-12 02 -521 Riverside Peninsular Range; Temescal Canyon Mouth: city of Corona, along Magnolia Ave. off-ramp on southwest side of Hwy I-15 216 Comment
  CAS-BOT-BC170260  Atriplex hymenelytra John Thomas Howell 1928-1-29 3302 Riverside Entrance to Painted Canyon, Colorado Desert. Comment
  UCR96800  Atriplex lentiformis G. F. Pratt 1997-3-19 s.n. Riverside March Air Force Base, SE of Arnold Heights & east of Alessandro Blvd. 466 Comment
  RSA556605  Atriplex parishii D. E. Bramlet 1993-7-2 2360 Riverside This site is approximately 6.9 km southwest of Hemet, at the end of California Ave. and some 0.85 km. north of Stetson. The population is located 150-500m. east of California and 335. West of the MWD canal. 139 Comment
  CLARK-A1528-400  Atriplex polycarpa Charlotte Stocks 1964-8-30 Riverside Coachella Valley Comment
  RSA422257  Atriplex polycarpa Ora M. Clark 1929-3-17 1743 Riverside N. La Quinta, Colorado Desert. Comment
  RSA675801  Atriplex suberecta Scott D. White 2001-7-9 8722 Riverside MENIFEE: Ca. 1 mile southwest of Bell Mtn. and 1/2 mile east of I-215 Freeway. 445 Comment
  UCR112482  Atriplex suberecta A. C. Sanders, Mitch Provance, T. B. Salvato 2000-4-18 23331 Riverside Coachella Valley, along Tyler St. south of I-10, east of Indio and north of Coachella -12 Comment
  CAS-BOT-BC146195  Avena barbata B. Pitzer 1997-4-1 3045 Riverside Lakeview Mountains, ca. 0.75 air mile south southwest of Mount Rudolph, ca. 1 air mile northeast of Contour (Juniper Flats) Road. 665 Comment
  UCR2187  Avena fatua F. M. Reed 1906-10-22 1198 Riverside Riverside, Blaine Street near Chicago Avenue 287 Comment
  POM68496  Baccharis emoryi Marcus E. Jones 1925-4-24 s.n. Riverside Thousand Palms Comment
  RSA463260  Baccharis pilularis L. F. LaPre 1988-1-8 s.n. Riverside Mesa de Burro, Santa Rosa Plateau, W of Murrieta 610 Comment
  CAS-BOT-BC106740  Baccharis salicifolia Clare B. Hardham 1956-5-9 641 Riverside Banks of San Marcos Creek near Oak Flat Road Comment
  SEINET10616772  Baccharis salicifolia David B. Dunn 1948-1-25 Dunn 3646 Riverside Found in ravine northeast of the top of the grade east of Riverside about 5 miles out. Comment
  UC667271  Baccharis salicifolia subsp. salicifolia Annie M. Alexander and Louise Kellogg 1941-5-4 2121 Riverside Joshua Tree National Monument, Barker Dam 1322 Comment
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Feb 4 2013
  CAS-BOT-BC106629  Baccharis salicina Carl B. Wolf 1931-3-13 1084 Riverside Colorado Desert, in old cotton field, 2 mi. north of Blythe 152 Comment
  UCR4362  Baccharis salicina O. F. Clarke 1970-10-28 s.n. Riverside Riverside, Botanic Gardens of the University of California, Riverside 396 Comment
  UCR272267  Baccharis sarothroides Duncan S. Bell, Amanda Bell 2012-1-28 3065 Riverside Mojave Desert, east side of the Arica Mountains, Rice Valley, c. 6 air miles southeast of the ghost town of Rice 202 Comment
  SEINET899356  Baccharis sergiloides C. B. Wolf 1932-1 4272 Riverside Colorado Desert. Little San Bernandino Mts. Morongo Wash, 3/10 mi. below San Bernandino Co. line 671 Comment
  UCR19179  Baccharis sergiloides John C. Roos 1948-9-14 3003 Riverside Santa Rosa Mtns, Dos Palmas Spring, east of Asbestos Mountain 1070 Comment
  UCR41317  Baccharis sergiloides N. M. Fellows 1984-11-12 33 Riverside San Jacinto Mtns., Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mtn. 489 Comment
  RSA602486  Bahia absinthifolia D. Koutnik 1996-7-19 s.n. Riverside Univ. of CA, Riverside, UCR Botanical Garden. 854 Comment
  CAS-BOT-BC295903  Bahiopsis parishii Marcus E. Jones 1906-4-19 s.n. Riverside San Felipe Hill, W. Colo. Desert 731 Comment
  JOTR32197  Bahiopsis parishii Herskovits, Tasya, M. Harding 2011-5-20 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; Ryan Mountain; Rocky slopes bordering Ryan Mountain Trail (Stop 1) 1428 Comment
  POM159821  Bahiopsis parishii E. C. Jaeger 1926-3-24 s.n. Riverside Eagle Mountains. Comment
  SD229076  Bahiopsis parishii Dick Schwenkmeyer 2012-5-22 714 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  UCR260257  Bahiopsis parishii A. C. Sanders, Jim Malusa 2015-3-11 41409 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, side canyon draining from the NE into large canyon containing the Gasline Road, c. 2.5 miles north of the Imperial Co. line, US Navy Chocolate Mountains Aerial Gunnery Range 610 Comment
  CAS-BOT-BC99960  Baileya pauciradiata L. R. Abrams 1926-3-26 11087 Riverside Indian Wells to Indio Comment
  CAS-BOT-BC99964  Baileya pauciradiata Ira L. Wiggins 1941-3-27 9687 Riverside South end of Coxcomb Mountains 8 miles north of Desert Center Comment
  UC724349  Baileya pauciradiata Aven Nelson, Ruth A. Nelson 1939-3-29 3313 Riverside between Mecca and Hidden Springs Comment
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Feb 3 2011
  UCR33599  Baileya pauciradiata Faulkner 1978-4-28 529 Riverside Sonoran (Colorado) Desert, sand dunes 3 miles south of Rice 245 Comment
  CAS-BOT-BC106608  Baileya pleniradiata K. Larson 1977-5-12 60062 B Riverside Wiley Wells Rd. ca. 20 mi. W. of Blythe 152 Comment
  RSA695666  Baileya pleniradiata W. Marquart 1938-3-12 s.n Riverside 15 miles W. of Blythe. Found in basin along hwy. Comment
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Dec 18 2011
  CLARK-A1528-1647  Bebbia juncea John C. Roos 1951-10-19 5329 Riverside San Jacinto Valley 457 Comment
  RSA696874  Bebbia juncea J. Russell Bruff 1928-4-1 77 Riverside Whitewater Comment
  JOTR34379  Bebbia juncea var. aspera Andre, Jim 2012-4-16 20900 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  RSA604715  Bebbia juncea var. aspera L. C. Wheeler 1961-10-8 7932 Riverside Temescal Valley: First big wash E of avocado mesa E of Wright Ranch. Comment
  SEINET3862246  Beloperone californica D. W. McNeal 1977-4-22 2018 Riverside Beside Hwy. 195, 7 mi. SW of its jct. with Interstate 10.; 0 Comment
  CAS-BOT-BC75538  Berberis dictyota T. Cass 1975-4-10 1710 Riverside Santa Ana Mountains. 0.75 mile down road parallel to Brown Creek. 914 Comment
  UCR18794  Berberis nevinii John C. Roos 1949-5-21 4321 Riverside Peninsular Range, SW corner of county, 2 miles north of Dripping Springs, near Vail Dam 442 Comment
  CLARK-A1528-2687  Bernardia incana John C. Roos 1946-9-14 3024 Riverside San Jacinto Mountains Comment
  RSA336055  Bernardia incana R. F. Thorne, Avi Shmida, Robert Whittaker 1978-4-23 52064 Riverside Palms to Pines Highway: Along highway, Santa Rosa Mountains. Comment
  HSC80236  Beta vulgaris Steve Boyd 1985-8-7 1119 Riverside Murrieta area, Clinton Kieth Rd., just E of the Bear Creek development golf course. Comment
  SDSU17533  Bidens pilosa Jerry Jenkins 2001-4-2 2001 -050 Riverside Santa Margarita Ecological Reserve. West of Santa Margarita River, UTM zone 6, 481750E, 3699500N. UTM transfered to GIS. Comment
  SDSU11582  Bloomeria crocea Ronald H. Bigelow 1962-5-23 Riverside Schloss Foundation, Just southeast from branch in road from HWY 395 to Santa Margarita River. Comment
  RSA395897  Bloomeria crocea var. crocea Steve Boyd 1986-4-22 1762 Riverside Terrace escarpment W side of Indian Wash, S of I -15. Comment
  UCSB2223  Boechera arcuata Keator, Glenn 1959-5-17 Riverside Near Hemet lake; on Pines to Palms highway Comment
  RSA482666  Boechera californica N. R. Zabriskie, W. M. Zabriskie 1970-5-3 296 Riverside Service road S of S end of Marion Ridge Rd., Pine Cove, NW of Idyllwild. Comment
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Feb 16 2013
  RSA769767  Boechera californica Duncan S. Bell, J. D. England 2010-5-17 999 Riverside San Bernardino National Forest: Rouse Ridge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15. Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 1045 Comment
  UC10091  Boechera californica H. M. Hall Jun 1901 2221 Riverside Onstatts Valley San Jacinto Mountains 1981 Comment
  LA204239  Boechera pulchra H. Lewis; 1940-4-28 Riverside Joshua Tree National Monument, Keys View Comment
  UCD170132  Boerhavia coccinea Scott D. White 1996-9-22 4525 Riverside San Jacinto Mtns., South fork of San Jacinto River, Hwy 74, c. 1-3 road mi. east of U.S. Forest Service Cranston Fire Station. 600 Comment
  CLARK-A1656-845  Boerhavia erecta var. intermedia Jon Mark Stewart 1983-8-29 83-32 Riverside San Jacinto Mountains 853 Comment
  SBBG92286  Boerhavia intermedia A. C. Sanders 1989-9-19 9511 Riverside 1.75 km (airline) S of Tabaseca Tank, along the wash above "Tabaseca Target"; Chocolate Mtns Aerial Gunnery Range, 680 Comment
  UCR264242  Boerhavia triquetra var. intermedia A. C. Sanders, Jim Malusa 2015-9-10 41849 Riverside Sonoran (Colorado) Desert, Salt Creek Canyon, along Summit Road c. 1.5 miles above mouth of Red Canyon, edge of Chocolate Mountains Aerial Gunnery Range 433 Comment
  RSA644207  Boerhavia wrightii V. W. Steinmann 1999-10-26 1418 Riverside foothills of the Chuckwalla Mountains, open desert ca. 2 km south of Desert Center. 325 Comment
  UCR33704  Bouteloua aristidoides Sears 1977-10-10 S- 531 Riverside Sonoran (Colorado) Desert, 23 mi. north of Desert Center, 3 mi. south of Hwy 62 Junction 335 Comment
  UCSB45564  Bouteloua aristidoides Roos, John 1946-10-26 Riverside Colorado Desert; Chuckwalla Mtns Comment
  JOTR30300  Bouteloua aristidoides var. aristidoides Andre, Jim, Tasha La Doux 2007-9-6 8706 Riverside Joshua Tree National Park. On dirt road to Lost Horse Ranger Station, below Hemingway Buttress 1236 Comment
  UCR89728  Bouteloua barbata J. M. Stewart 1990-9-23 657 Riverside Sonoran (Colorado) Desert, Interstate Hwy 10, 1.5 mi. west of Wiley Well Road. Comment
  UCR23973  Bouteloua curtipendula John C. Roos 1946-8-27 2786 Riverside Santa Rosa Mountains, Pines to Palms Road[Vandeventer Flats], near Pinyon Flats 1372 Comment
  UCSB18911  Bouteloua curtipendula Keefe, Joseph 1965-5-18 Riverside Pinyon Flats Campground, S of Palm Desert 1432 Comment
  SEINET3240177  Bowlesia incana Steve Boyd 1986-1 1597 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park. 610 Comment
  JEPS43805  Boykinia rotundifolia Marjorie D. Clary 1932-8-7 1640 Riverside Snow Creek; Colorado Desert, San Jacinto Mts., Snow Creek 365 Comment
  RSA0124120  Brandegea bigelovii Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8740 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting on the Martinez Slide to the north of Toro Canyon, approximately 5.25 air miles east northeast of the summit of Martinez Mountain. 123 Comment
  SBBG54857  Brandegea bigelovii D. Keil, M. McLeod, D. Walters 1977-3-27 12059 Riverside Box Cyn Rd, ca. 20 mi ENE of Mecca, Orocopia Mtns 274 Comment
  SEINET9340437  Brandegea bigelovii Unknown 1993-4-4 10593 Riverside Hard pavement flats at Cholla Garden, Joshua Tree N.M.. Comment
  UC750617  Brandegea bigelovii Lewis S. Rose 1946-12-27 46311 Riverside Dead Indian Creek Wash, Palms to Pines Highway Dead Indian Creek Wash 274 Comment
  UCR91451  Brassica geniculata Scott D. White 1995-3-30 2673 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  RSA708054  Brassica tournefortii Scott D. White, Angelia Carey 2004-4-16 10171 Riverside Indian Creek and adjacent slopes. 549 Comment
  RSA775337  Brassica tournefortii Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5023 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm)., between N34.00456, W116.67238 and N33.99629 and W116.66010 750 Comment
  RSA799882  Brassica tournefortii D. M. Ray 2011-3-5 9 Riverside Sonoran Desert: Chuckwalla Valley along Kaiser Road. 198 Comment
  UCD114636  Brassica tournefortii A. C. Sanders 1988-1-18 7588 Riverside Riverside. W end of the Box Springs Mountains on S-facing slopes of Sugarloaf Peak. Comment
  CAS-BOT-BC106342  Brickellia atractyloides var. arguta H. M. Hall 1905-5-1 6016 Riverside Cottonwood Springs - Colorado Desert 670 Comment
  CAS-BOT-BC106246  Brickellia californica Carl B. Wolf 1935-10-8 7636 Riverside Mojave Desert, Kingston Range, Horse Spring 1432 Comment
  SEINET272197  Brickellia californica A. C. Sanders, T. Tennant; A. Montalvo & B. Wagner 1997-11-20 21610 Riverside Lake Skinner reserve area: Diamond Valley canyon along Rawson rd. going into hills toward Crown Valley. 509 Comment
  RSA89870  Brickellia desertorum J. C. Roos 1950-9-30 4996 Riverside Box Springs Grade 0.5 mile SE of Citrus Experiment Station Riverside. 396 Comment
  POM135924  Brickellia incana J. B. Feudge 1927-5-9 1609 Riverside Shavers Well, Colorado Desert Comment
  UCSB37838  Brickellia incana Roos, John 1965-6-23 Riverside Colorado Desert; Lost Palms Wash, north of Chiriaco Summit near the Eagle Mtns. Comment
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Mar 26 2011
  RSA535085  Brodiaea jolonensis Steve Boyd 1991-5-10 6220 Riverside Temescal Canyon, E base of Santa Ana Mountains. Terrace escarpment just SE of Indian Truck Trail offramp of I-15, S of DePalma Road. 366 Comment
  RSA642608  Brodiaea terrestris subsp. kernensis Darin L. Banks, Mike Kinney 1998-6-8 2221 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. An area of native grassland along the Magee Truck Trail at the southern extremity of the Reservation just before the Riverside / San Diego County line border. 475 Comment
  SBBG122775  Brodiaea terrestris subsp. kernensis A. Parikh 1990-5-17 175 Riverside W part of Mesa de Colorado, 0.3 km N of Avocado Mesa Rd, 0.1 km E of Via Volcano 632 Comment
  RSA605203  Bromus berteroanus A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16168 Riverside Coachella Valley: N-facing rocky slope in Chino Canyon along the Palm Springs tram road, 2 miles above Hwy 111 (Palm Canyon Dr.) 490 Comment
  POM12134  Bromus berteroanus Mary F. Spencer 1920-4-5 1545 Riverside Palm Springs, Colorado Desert. 122 Comment
  UCR2206  Bromus carinatus F. M. Reed 1906-3-4 903 Riverside Riverside, Fairmont Park 244 Comment
  CAS-BOT-BC148742  Bromus carinatus var. marginatus Mary F. Spencer 1919-6-27 1232 Riverside San Jacinot Mountains. Idyllwild. 1615 Comment
  SEINET221093 Image available Bromus diandrus Leila M. Shultz, R. Thorne; J. Hogue R. Tilford 1980-4-16 4012 Riverside Bridge over Whitewater River at base of Whitewater Canyon, San Bernadino Mountains. 436 Comment
  RSA495421  Bromus diandrus subsp. triangularis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-11 2891 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 390 Comment
  UCR120897  Bromus hordeaceus A. C. Sanders, D. Malueg 2002-4-8 24908 Riverside Perris-Aguanga Basin region, Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 396 Comment
  UCR241251  Bromus hordeaceus T. B. Salvato, Tracy Tennant 1998-4-16 MOR- 1207 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Potrero Canyon about 1 mile above locked gate, east side of road near old corrals, tree stand P-03 976 Comment
  POM147497  Bromus hordeaceus F. M. Reed 1928-4-18 5860 -B Riverside Vail Ranch west of Aguanga. Comment
  UCR233068  Bromus rubens Edith B. Allen 2012-2-6 212- 03 Riverside Peninsular Range; Gavilan Hills Area, south side of Lake Mathews, 1.36 km SE (131 deg. ) of intersection of Cajalco Rd. and La Sierra Ave. 441 Comment
  RSA0013037  Bromus tectorum LeRoy Gross, Caitlin Elam 2013-5-14 6054 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  UC1979866  Bromus tectorum Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 879 Riverside Transverse Ranges; San Bernardino Mountains region: Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon. Comment
  UC519700  Bromus tectorum Victor Duran 1932-5-18 3218 Riverside San Jacinto Mountains, Idyllwild Idyllwild; San Jacinto Mountains, Idyllwild 1676 Comment
  UCR2257  Bromus trinii F. M. Reed 1920-3-24 4170 Riverside Western Colorado Desert, Murray Canyon, a tributary of Palm Canyon near Palm Springs 305 Comment
  UCR232025  Caesalpinia gilliesii John F. Green 2008-4-24 13- 10 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris along Hwy 74, between Lazy Lizard Dr. and Wasson Canyon Rd. 504 Comment
  UCR169919  Calandrinia ambigua Scott D. White, Jennifer H. Jones 2005-4-21 10943 Riverside Sonoran Desert, Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  UCR92780  Calandrinia ciliata Scott D. White 1994-3-29 1945 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  UCR20523  Callitriche heterophylla E. W. Lathrop 1966-4-13 6164 Riverside Peninsular Range, 3 mi NW of Murrieta Comment
  UCSB45531  Callitriche marginata Roos, John 1952-4-16 Riverside Edgemont; near Box springs 487 Comment
  RSA761866  Calocedrus decurrens Patrick Garrett, C. Martinez, N. Fraga, L. McDade 2010-8-14 71 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA0042617  Calocedrus decurrens Michelle Cleveland 1981-2-14 12 Riverside Idyllwild Visitor Center off Hwy 74. Collected 200 yds North of Vistor Center. 1900 Comment
  SD90486  Calochortus albus E. W. Lathrop, Robert F. Thorne, E. Lathrop 1967-5-19 37984 Riverside Santa Rosa Plateau, Rancho Californica [California?], shaded grassy area under oak woodland, ca. 2 miles beyond turn-off to ranch headquarters. 609 Comment
  RSA291568  Calochortus concolor C. W. Tilforth 1980-7-15 2079 Riverside South of Tool Box Springs Campground, Thomas Mtn. Rd., south of Lake Hemet & west of [Highway] 74. Comment
  UCR1117  Calochortus concolor Kathy Shaffer 1957-5-18 s.n. Riverside San Jacinto Mountains, one mile south of Hwy 74 at the foot of Bautista Canyon 610 Comment
  UCSB626  Calochortus invenustus Wilson, Richard 1958-5-18 Riverside At Pinon Flats on State Highway Comment
  CAS-BOT-BC132440  Calochortus palmeri E. A. McGregor 1941-6-12 28 Riverside Santa Rosa Mt. Comment
  IRVC2495  Calochortus splendens D. C. 1965-4-27 s.n. Riverside Palm Springs Sonoran Desert Comment
  RSA660540  Calochortus splendens Orlando Mistretta 1992-6-10 512 Riverside Cleveland National Forest: Along old road coming off 3504 W of Sierra Peak. Head of road. Comment
  UCR6160  Calochortus splendens C. M. Bringle, H. Johnston 1967-4-22 B670422- 2 Riverside Peninsular Range, edge of Santa Ana Mtns., Temescal Canyon Road 3.6 mi north of Glen Ivy Hot Springs, 0.3 mi south of conveyor belt crossing road on W side of road 457 Comment
  CAS-BOT-BC483502  Calochortus splendens T. Winfield 1975-5-8 2355 Riverside Arroyo del Toro Road, 1 mile from Highway 71 Comment
  RSA688839  Calochortus weedii var. weedii Scott D. White, Michael Honer 2003-6-17 9549 Riverside Murrieta. Interstate 215 / Clinton Keith interchange. 457 Comment
  JOTR34395  Calycoseris parryi Andre, Jim 2012-4-16 20926 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 2.4 miles north Cottonwood Visitor's Center 955 Comment
  RSA796093  Calycoseris wrightii Duncan S. Bell 2009-4-20 309 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  SEINET7063460  Calyptridium monandrum A. G. Vestal 1947-3-30 s.n. Riverside San Jacinto Valley. UTM Zone 11, 497479mE, 3743001mN. (WGS84/NAD83). 442 Comment
  UCR80810  Calyptridium monandrum Scott D. White 1993-5-29 1441 Riverside San Bernardino Mtns, Banning Canyon, along the road to Raywood Flat, Yucaipa Ridge 1402 Comment
  VVC2881  Calyptridium monandrum Tim Thomas, P. J. MacKay 2010-4-12 5026 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  RSA0089417  Calyptridium monospermum Michael G. Simpson, Jamie Hall, Michael Silveira, Lori Simpson 2007-6-16 2896 Riverside Little Taquitz Valley, San Jacinto Mountain, along trail, ca. 0.1 mi north of junction with Pacific Coast[Crest] Trail, ca. 0.9 mi northeast of Tahquitz Peak. 2454 Comment
  RSA282929  Calyptridium parryi C. W. Tilforth, B. Busenberg 1980-6-17 2016 Riverside Along Thomas Mtn Rd south of Lake Hemet, west of Hwy 74. 1662 Comment
  SDSU17442  Calyptridium parryi var. parryi C. Matt Guilliams, Michael and Lori Simpson, Mike Silveira 2007-6-25 374 Riverside San Jacinto Wilderness State Park, summit of San Jacinto Peak. Ca. 10 meters west of sign marking high point, in sandy opening among boulders. 3292 Comment
  RSA726762  Calystegia macrostegia Scott D. White 1991-5-10 91 -131 Riverside Hwy 79, immediately W of U. S. Forest Service campground at Dripping Springs. 549 Comment
  RSA430232  Calystegia macrostegia subsp. arida E. Misquez 1987-5-16 11 Riverside Santa Ana Mountains, Walker Basin; 2 miles on Avenida de Oro from Jct with Rancho California road and 4.7 miles west of Interstate 15. 415 Comment
  SEINET3246022  Calystegia macrostegia subsp. arida A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-1 38408 Riverside Peninsular Range: southeastern Gavilan Hills near Alberhill, north of Concordia Ranch Rd. and Black Powder Rd. 491 Comment
  RSA394918  Calystegia macrostegia subsp. tenuifolia N. C. Cooper 1947-4-5 2037 Riverside Los Alamos Canyon, Elsinore. Comment
  UCR1647  Calystegia macrostegia subsp. tenuifolia William R. Bowen 1962-4-15 030 Riverside Cajalco Canyon near Lake Mathews 427 Comment
  CAS-BOT-BC216298  Camissonia M. Bourell 1988-3-28 3513 Riverside Box Canyon, BLM California Conservation area. E of Mecca on Hwy. 195. 150 Comment
  CSUSB170  Camissonia bistorta Kirk Taylor 1976-5-29 76-5-29 7 Riverside Fairmount Park, city of Riverside; West end of Lake Evans. Comment
  UCR174434  Camissonia bistorta A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32494 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR251309  Camissonia bistorta T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2013-3-28 7426 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Murrieta Road and Scott Road 517 Comment
  RSA776944  Camissonia brevipes Amber Swanson 2011-3-19 237 Riverside W of Eagle Mtn Rd to Railroad tracks abt 5 mi N of I-10 307 Comment
  RSA162841  Camissonia californica J. D. Olmsted 1958-6-15 189 Riverside San Jacinto Mountains. Intersection of Strawberry Creek with Idyllwild-Hemet road [Hwy 74] 8 miles below and West of Mt. Center. Along roadside. 915 Comment
  RSA214487  Camissonia californica Donald A. Johansen, J. A. Ewan 1932-4-10 7052 Riverside San Gorgonio Pass, Cabazon 488 Comment
  RSA314675  Camissonia californica Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55502 Riverside San Bernardino Mountains -- on south end of ridge at mouth of Whitewater Canyon, east of bridge, about 3.3 miles north of Whitewater Post Office. 427 Comment
  RSA523538  Camissonia californica Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3998 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR83193  Camissonia californica A. C. Sanders 1994-5-15 14484 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the E bank of the Santa Ana River 400 Comment
  POM3227  Camissonia cardiophylla I. M. Johnston 1917-4-4 1083 Riverside Colorado Desert: Palm Canyon. 305 Comment
  UCR168277  Camissonia cardiophylla M. B. Dunkle 1933-3-4 3048 Riverside Sonoran (Colorado) Desert, Painted Canyon 91 Comment
  SEINET10492047  Camissonia cardiophylla David B. Dunn, Howard Brown 1947-1-12 Dunn 2843 Riverside Pushawalla canyon, indio hills. In dry wash. Comment
  SEINET10492049  Camissonia cardiophylla David B. Dunn, Howard Brown 1947-2-9 Dunn 2846 Riverside Pushawalla canyon, indio hills. In dry wash. Comment
  SEINET10492050  Camissonia cardiophylla David B. Dunn, Harold L. Lint 1948-1-25 Dunn 3639 Riverside Found in a wash 300 yards below springs. Pushawalla canyon, indio hills of the Colorado desert; w of indio Comment
  CLARK-A1528-3324  Camissonia chamaenerioides John C. Roos 1949-4-11 4235 Riverside Chuckwalla Mountains Comment
  RSA0021247  Camissonia claviformis Duncan S. Bell 2009-3-7 27 Riverside Arica Mountains: collecting on the ridgeline of the mountain range just north of the summit along the border of the Palen/McCoy Wilderness area. 614 Comment
  RSA172298  Camissonia claviformis subsp. aurantiaca Robert F. Thorne 1963-3-29 32363 Riverside 5 miles E of Mecca, Mecca Hills. 152 Comment
  RSA36072  Camissonia claviformis subsp. aurantiaca C. Epling 1947-03 s.n. Riverside Mojave Desert, south edge of desert at Cottonwood Springs. Comment
  SJSU10929  Camissonia claviformis subsp. aurantiaca E. V. Boro 1963-12-24 73 Riverside 5 mi Se of Desert Hot Springs 396 Comment
  RSA766614  Camissonia claviformis subsp. peirsonii Thomas Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-27 174 Riverside Mecca Hill Wilderness. Wash Route off Hwy 195/ Box Canyon Rd. Near wilderness boundary. 366 Comment
  SDSU3351  Camissonia confusa H. Wedberg 1958-3-30 198 Riverside 7.7 mi. east of Hemet city limit on Hwy. 74, at edge of flood-wash Comment
  RSA676129  Camissonia hirtella Scott D. White 2001-4-13 8328 Riverside Badlands; County landfill area north of Moreno Valley. About 1/4 air mi NW of the SR-60 Freeway jtn with Gilman Springs Rd. 595 Comment
  RSA449035  Camissonia ignota Christopher Davidson 1973-4-1 1802 Riverside Agua Tibia Mountains. Highway 71/79 approximately 7 miles from junction of US 395 South. 412 Comment
  RSA501032  Camissonia ignota Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3152 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  UCR126263  Camissonia pallida Nathan Moorhatch, John Green 2003-4-2 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Whitewater River channel at Date Palm Drive in Cathedral City 91 Comment
  RSA72201  Camissonia pallida subsp. hallii F. W. Peirson 1914-04 791 Riverside Whitewater east of Beaumont. Comment
  HSC25792  Camissonia pallida subsp. pallida Richard Spjut 1972-3-30 2349 Riverside Just SW of Coahulla Indian Reservation, ca. 2 miles E on Hwy. 71 from jct. 79 (near San Diego County Line) 1220 Comment
  RSA75435  Camissonia pallida subsp. pallida F. W. Peirson 1919-4-13 786 Riverside Tahquitz Canyon stream, near Palm Springs. Comment
  POM91008  Camissonia pallida subsp. pallida E. C. Jaeger 1925-12-18 s.n. Riverside Eagle Canon, 5 miles east of Palm Springs 122 Comment
  CLARK-A1528-3362  Camissonia strigulosa John C. Roos 1943-8-8 2703 Riverside San Jacinto Mountains 1615 Comment
  POM48923  Camissonia strigulosa P. A. Munz 1924-5-18 8146 Riverside 18 miles from Banning on Idyllwild Road [Hwy 243?]. 1524 Comment
  SDSU3406  Camissonia strigulosa H. Wedberg 1958-3-30 192 Riverside 7.7 miles east of Hemet on road to Idyllwild. Comment
  UC140596  Camissonia strigulosa C. F. Baker 1904-4-5 4116 Riverside Hemet Comment
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Mar 24 2011
  UC20533  Camissonia strigulosa H. M. Hall May 1899 Riverside San Jacinto Mountains 1828 Comment
  UCR121230  Camissonia strigulosa Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2305 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  UCR137482  Camissonia strigulosa D. L. Banks 1997-3-16 1542 Riverside NW Palomar Mountains, Agua Tibia Mountains, N face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound 567 Comment
  UCR87658  Camissonia strigulosa A. C. Sanders 1994-5-29 14571 Riverside San Bernardino Mtns, East Branch Millard Canyon, along Forest Service Road 4S45 1200 Comment
  UCR265606  Camissoniopsis hirtella Jordan Zylstra 2014-3-18 14009 Riverside San Jacinto Mountains, Apple Canyon, west of Apple Canyon Road 1453 Comment
  UCSB12572  Camissoniopsis pallida subsp. pallida Dearing, Hugh; Dearing, Margaret 1936-12-25 Riverside Long Canyon near Los Angeles Aqueduct Comment
  UCD169811  Carex barbarae R. F. Thorne; E. W. Lathrop, W. Wisura 1977-7-8 49554 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons. 537 Comment
  UCR227911  Carex bolanderi Peter F. Zika, Nick Otting, K. Kramer 2010-8-6 25300 Riverside San Jacinto Mountains, bridge over North Fork San Jacinto River, Dark Canyon, at campground 1785 Comment
  SD93003  Carex multicaulis W. Bertsch 1954-5-1 514 Riverside Idyllwild; along the San Jacinto River. 1676 Comment
  POM14316  Carex multicostata Phillip A. Munz 1922-7-7 6052 Riverside San Jacinto Mountains: Round Valley 2713 Comment
  RSA90867  Carex phaeocephala Joseph A. Ewan 1930-9-1 2164 Riverside Summit of San Jacinto Mountain. 3294 Comment
  RSA180456  Carex praegracilis E. W. Lathrop 1960-6-7 4896 Riverside 14 miles west of Murrieta, Redonda Mesa. Comment
  UC834496  Carex praegracilis P. A. Munz 1922-7-4 5971 Riverside Hemet Valley San Jacinto Mts. 1371 Comment
  UCR142302  Carex praegracilis A. C. Sanders 1997-3-19 20044 Riverside Lake Skinner area, Lake Skinner, NW shore near inlet, SW foot of Bachelor Mtn 445 Comment
  CAS-BOT-BC117864  Carex sartwelliana Mrs. C. M. Wilder 1909-1-1 s.n. Riverside San Jacinto Mountains. Strawberry Valley. Comment
  UC837147  Carex sartwelliana I. W. Clokey, E. G. Anderson 1935-8-21 6563 Riverside Fuller's Creek 1500 Comment
  UCR123632  Carex spissa Steven R. Hill, A. C. Sanders 2001-5-4 33729 Riverside Santa Rosa Plateau, Carancho Road, at crossing of De Luz Creek (headwaters) 360 Comment
  POM1438  Carex subfusca H. M. Hall 1901-07 2416 Riverside San Jacinto Mountains, near the summit. 3293 Comment
  RSA0099996  Carex subfusca Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8573 Riverside Santa Rosa Mountains; along Forest Service Road 7S02, approx. 0.7 air mile west of the summit of Santa Rosa Mountain. 2233 Comment
  RSA585730  Carex triquetra Darin L. Banks, Steve Boyd 1995-5-9 374 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 710 Comment
  UCR23673  Carthamus tinctorius John C. Roos 1965-7-7 s.n. Riverside San Bernardino/San Jacinto Mtns, Beaumont Comment
  CHSC108389  Carya illinoinensis R. E. Riefner Jr. 2007-6-16 07 -258 Riverside City of Hemet, Lake St. at Florida Ave. (Hwy 74). UTM: (NAD 83) 11S 0507778E 3734143N. 530 Comment
  RSA509918  Castilleja affinis B. Pitzer, E. Misquez 1988-2-28 618 Riverside 2 mi s of Rancho California Road (sw of Murrieta, Walker Basin, Avenida del Oro); Walker Basin, Avenida del Oro. Comment
  RSA448700  Castilleja applegatei subsp. martinii Christopher Davidson 1975-6-16 2816 Riverside 3.8 mi. N of Alandale Station on road R1 from Idyllwild to Banning. 1700 Comment
  RSA679168  Castilleja applegatei subsp. martinii Fred M. Roberts 2003-6-25 5933 Riverside Indian Truck Trail, 8.7 km by road W La Palma Rd., 2.5 km ENE Trabuco Peak 937 Comment
  RSA97671  Castilleja applegatei subsp. martinii R. M. Straw 1954-6-10 608 Riverside Mountain Home Spring, Santa Rosa Mountain, San Jacinto Mountains. Comment
  UCR227595  Castilleja exserta Duncan S. Bell, Joy England 2010-5-20 1022 Riverside San Jacinto Mountains, San Bernardino National Forest, Garner Valley, c. 1.75 air miles southeast of junction of Forest Service Road 6S04 and Forest Service Road 6S13 1361 Comment
  UCR94646  Castilleja foliolosa Scott D. White 1996-5-27 4073 Riverside Badlands, Jackrabbit Canyon, east of Moreno Valley and south of Calimesa, between Hwy 60 and Gilman Springs Road. 610 Comment
  UC27215  Castilleja lasiorhyncha H. M. Hall 1897-6-16 649 Riverside San Jacinto Mts. 1828 Comment
  RSA0010956  Castilleja miniata subsp. miniata L. Crutcher 1933-8-22 5 Riverside Summit of Tahquitz Peak, San Jacinto Mts. Comment
  JOTR37756  Caulanthus cooperi Hodges, Stephen R. 2016-2-29 712 Riverside Joshua Tree National Park. Pleasant Valley, off of Geotour Road near the Pushwalla Canyon trailhead Comment
  POM99007  Caulanthus cooperi E. C. Jaeger 1926-4-24 s.n. Riverside White Tanks, Pinto Mts. 1128 Comment
  RSA0029342  Caulanthus hallii John F. Emmel 1991-5-26 1176 Riverside San Jacinto Mts.; Spitler Peak Trail above Apple Canyon, ca. 1 air mile south of Cartridge Spring. 1585 Comment
  OBI42562  Caulanthus simulans A. C. Sanders 1986-6-1 6557 Riverside San Jacinto Mtns, along the trail toward Spitler Peak from the Hurkey Creek camp to Bonita Vista road 1707 Comment
  CDA1657  Ceanothus crassifolius Mike Lahti 2007-5-31 PDR# 1361019 Riverside Murrieta; 26550 Pabesu Rd. Jo-Dan Farms Nursery. Comment
  POM262870  Ceanothus crassifolius J. C. Roos 1941-2-1 225 Riverside south of the ''Plateau'', Reche Canyon. Comment
  RSA517103  Ceanothus crassifolius Steve Boyd, Tim S. Ross, L. Arnseth 1989-3-31 3099 Riverside Vail Lake area, 1 mi W of lake. 609 Comment
  UCR187466  Ceanothus crassifolius Diane Menuz 2006-3-16 005 Riverside Peninsular Range; Agua Tibia Mtns., Agua Tibia Wilderness, Cleveland National Forest, Dripping Springs Campground off Hwy 79, between parking lot and slopes beyond helipad past upper camping area 518 Comment
  RSA655601  Ceanothus cuneatus Mitch Provance 2000-4-8 2214 Riverside Jurupa Mountains: Bloomington/Crestmore, ca. 100 yards NE of the corner of Cedar Ave. and El Rivino Rd., and along the W side of the El Rivino Country Club. 293 Comment
  UC870524  Ceanothus cuneatus var. cuneatus I. W. Clokey and E. G. Anderson 1935-4-16 6733 Riverside e of Hemet 560 Comment
  RSA701751  Ceanothus leucodermis Steve Boyd, Valerie Soza 2004-6-22 11553 Riverside Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along forest service road 5N13 near 5N06. 1463 Comment
  UC1070866  Ceanothus leucodermis R. St. John 1929-5-8 25 Riverside Fuller Mill Creek Canyon San Jacinto quad., San Jacinto Mts. 1676 Comment
  UCSB54149  Ceanothus leucodermis Brownell, Kathleen 1980-5-16 Riverside 2 mi. west of Lakeland Village on Hwy. 74; Santa Ana Mtns. Comment
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Nov 27 2014
  RSA263748  Ceanothus oliganthus E. W. Lathrop 1968-5-22 6905 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak. Cleveland National Forest 1220 Comment
  HSC84228  Ceanothus oliganthus var. sorediatus Dave Hawks 1987-3-2 Riverside S of Hemet, intersection of Palm Ave. and Saddle Ridge Trail 473 Comment
  CAS-BOT-BC83760  Ceanothus ophiochilus D. O. Burge 2009-3-19 1065 b Riverside Oak Mountain, W of Vail Lake 640 Comment
  RSA606746  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27402 Riverside In on N side of Agua Tibia Range, 2-3 km S of Agua Tibia Wilderness boundary gate on trail extending ca. 100 m S of enclosed reservoir on ridge SE of Woodchuck Resort at end of Woodchuck Rd., S of Hwy 79. 1000 Comment
  SD138815  Ceanothus ophiochilus Craig Reiser 1993-5-17 Riverside Agua Tibia Wilderness Area, south of Woodchuck Campground and Highway 79 Comment
  POM301639  Ceanothus palmeri Carl B. Wolf 1941-8-12 11142 Riverside 3.5 mi. N.W. of Idylwild on dark canyon Rd. 1646 Comment
  UCR35173  Ceanothus perplexans L. B. Ziegler 1969-4-21 349 Riverside San Jacinto Mtns., Pinyon Flats 1200 Comment
  UCR4118  Ceanothus perplexans Ronald M. Cope 1965-3-20 s.n. Riverside Peninsular Range; San Jacinto Mtns., in valley on road from Idyllwild to Banning, 5 mi below Lake Fulmor 1296 Comment
  UC30938  Centaurea melitensis Geo. F. Reinhardt 1897-6-1 Riverside San Jacinto Valley Comment
  UCR26085  Centaurea repens John C. Roos, L. Roos 1951-10-24 5335 Riverside City of Riverside, between Arlington area and Pedley 229 Comment
  UC774537  Centaurium venustum Carl B. Wolf 1941-6-27 10897 Riverside 3.3 mi e Orange County line (Ortega Highway); Santa Ana Mts. 579 Comment
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Sep 18 2011
  UCR222310  Centranthus ruber R. F. Thorne, W. Wisura, David Michener 1982-5-24 55194 Riverside Peninsular Ranges; Santa Ana Mountains, Cleveland National Forest, along Ortega Highway 732 Comment
  UCR281281  Centromadia pungens subsp. laevis Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 18 Riverside Elsinore Trough, Periodic eastern shoreline of Lake Elsinore (e.g. 1994), in the City of Lake Elsinore, +- at the borderline with the Sedco Hills Neighborhood of the City of Wildomar, in open space along west side of Mission Trail at Lewis St. 387 Comment
  RSA392718  Centrostegia thurberi Christopher Davidson 1973-4-19 1991 Riverside Joshua tree Natl. Monument, various sites along the road, 1-10 miles s of Joshua tree. 1220 Comment
  POM122304  Cercidium floridum Marcus E. Jones 1926-6-8 sn Riverside Palm Springs Comment
  LA47755  Cercocarpus betuloides L. Haines; L. Erickson 1937-4-10 sn Riverside Palms to Pines Highway Comment
  RSA191420  Cercocarpus betuloides E. W. Lathrop, Robert F. Thorne 1967-9-26 6608 Riverside Tenaja Guard Station, 10 miles NW of Murrieta. Comment
  UC56988  Cercocarpus betuloides var. betuloides H. M. Hall April, 1902 2894 Riverside vicinity of Sage; Southern California 609 Comment
  UCR176173  Cercocarpus betuloides var. betuloides Jim Andre 2006-4-26 6783 Riverside South Mojave Desert, Joshua Tree National Park: Long Canyon, c. 2.3 mi south of the NE corner (boundary) of the park 1056 Comment
  POM187418  Cercocarpus ledifolius L. Crutcher 1933-8-22 4 Riverside Red Tahquitz, San Jacinto Mountains. Comment
  UCR262260  Chaenactis artemisiifolia T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3725 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  CAS-BOT-BC276388  Chaenactis carphoclinia Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  CDA7361  Chaenactis carphoclinia T. C. Fuller 1963-4-23 10277 Riverside Box Canyon Wash, Mecca-Blythe Road (Highway 195), 11.8 miles northeast of Mecca. 0 Comment
  RSA0014597  Chaenactis carphoclinia Justin M. Wood 2010-4-30 1551 Riverside Coachella Valley: Thousand Palms, just E of intersection of Ramon Rd. and Vista de Oro, just NE of Edison substation. 61 Comment
  SEINET3005068  Chaenactis carphoclinia G. Rink 2011-5-1 10506 Riverside North side of the Chuckawalla Mountains near Chuckawalla Spring 505 Comment
  UC63007  Chaenactis carphoclinia var. carphoclinia H. M. Hall 1902-4-11 2807 Riverside Coyote Canyon, w borders of Colorado Desert Colorado Desert, Coyote Canyon 152 Comment
  CAS-BOT-BC276921  Chaenactis fremontii David Charlton 1988-2-25 1225 Riverside S side of Little San Bernardino Mountains. Dillon Road and 1000 Palms Oasis Road Junction S of Joshua Tree National Park, parallel to I-10. 5 miles E of Junction Dillon Road and Fargo Canyon Rd, near small hill with blow sand on top 2000' 609 Comment
  CAS-BOT-BC276937  Chaenactis fremontii S. B. Parish 1896-4-4 4119 Riverside Palm Springs, {Agua Caliente), desert base of San Jacinto Mountain 213 Comment
  POM6569  Chaenactis fremontii Philip A. Munz, L. T. Street, Williams 1919-3-28 2464 Riverside San Gorgonio Pass, between Whitewater and Cabazon. Comment
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Mar 13 2011
  RSA793028  Chaenactis fremontii Justin M. Wood 2011-4-4 3394 Riverside San Bernardino Mountains Foothills: San Gorgonio River wash, off of Bluff Street, just east of Banning Bench. 881 Comment
  UC894461  Chaenactis fremontii I. W. Clokey and B. C. Templeton 1930-4-9 4699 Riverside n of Palm Springs; Colorado Desert 170 Comment
  UCR102765  Chaenactis fremontii B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3593 .3 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  CAS-BOT-BC172823  Chaenactis glabriuscula A. C. Sanders 2004-6-25 28281 Riverside Peninsular Range: Boden Canyon, tributary of Santa Ysabel Creek at E end of San Pasqual Valley; near the pond (reservoir) in middle DFG parcel 335 Comment
  UCR49242  Chaenactis glabriuscula Steve Boyd 1986-4-22 1744 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  HSC85397  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1986-4-19 1707 Riverside Temescal Canyon, E side of Indian wash between I-15 and Temescal Canyon Rd. Comment
  LA83500  Chaenactis glabriuscula var. glabriuscula O. H. Kappler; 1950-4-1 2039 Riverside Cabazon, E of Banning 655 Comment
  POM9388  Chaenactis glabriuscula var. lanosa I. M. Johnston 1920-5-8 s.n. Riverside Jurupa Mountains, extreme west end. Comment
  POM351800  Chaenactis parishii E. C. Jaeger 1922-6-29 s.n. Riverside Lower Tahquitz Valley 2043 Comment
  JEPS8640  Chaenactis stevioides Rimo Bacigalupi with Richard Holm and R. S. Ferris 1953-4-20 4039 Riverside 7 mi e of Shaver Summit (along U.S. Highway No. 60-70, opposite Hayfield Dry Lake) 441 Comment
  JOTR30260  Chaenactis stevioides Leary, C. and Leary, Pat 1979-5-6 3022 Riverside Joshua Tree National Park. In burned area west of Lost Horse Valley, Joshua Tree National Monument, T2S R7E sec 13 Comment
  RSA25309  Chaenactis stevioides C. L. Hitchcock 1940-3-29 5853 Riverside Cottonwood Canyon, ca. 100 yards east of Spring. Comment
  UCR245629  Chaenactis stevioides var. stevioides Duncan S. Bell 2010-4-1 672 Riverside Sonoran (Colorado) Desert, Arica Mountains; west side of Rice Valley, c. 1.2 air miles east of AT & SF railway line, c. 4.2 air miles east of Priest Well and c. 4.3 air mi. SE of the ghost town of Rice 208 Comment
  UCR240510  Chamaesyce abramsiana Tim Thomas 2012-9-2 5876 Riverside Sonoran (Colorado) Desert, west-northwest of Blythe, 8.4 mi north of Hwy I-10, just west of Black Creek Road 171 Comment
  POM201683  Chamaesyce albomarginata L. M. Booth 822 Riverside Hard roadside. Comment
  RSA736786  Chamaesyce albomarginata Scott D. White, Angelia Carey 2004-7-2 10551 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  RSA432477A  Chamaesyce pediculifera M. B. Dunkle 1933-3-4 3040 Riverside Painted Canyon. Colorado Desert 30 Comment
  RSA776138  Chamaesyce polycarpa Duncan S. Bell, Amanda Turek 2010-4-10 804 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  RSA576451  Chamaesyce polycarpa var. hirtella Marjorie D. Clary 1937-3-7 2785 Riverside Road to Fargo Canyon, Little San Bernardino Mts., north side of Colorado Desert; 244 Comment
  RSA614498  Chamaesyce polycarpa var. polycarpa George K. Helmkamp, E. A. Helmkamp 1998-2-5 2664 Riverside Indio Hills, 3 mi. E of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  RSA433505B  Chamaesyce setiloba C. Epling 1934-10 s.n. Riverside Palms to Pines Hwy. Comment
  RSA592456  Chamaesyce setiloba L. C. Wheeler 1966-10-15 8983 Riverside San Jacinto Mountains. By Black Hill, by Pines to Palms Highway. 976 Comment
  SFV13136  Cheilanthes covillei M. J. Thor 1982-9-17 147 Riverside San Jacinto Mountains Idyllwild Park. 1616 Comment
  CAS-BOT-BC70260  Cheilanthes intertexta C. F. Saunders 1908-4-1 s.n. Riverside Andreas Canyon, Palm Springs, Colorado Desert Comment
  POM8819  Cheilanthes newberryi I. M. Johnston 1920-5-8 2277 Riverside Butte due west of Lakeview Comment
  UC399595  Cheilanthes parryi F. M. Reed 1917-5-19 3873 Riverside near Palm Grove in Palm Canyon; Colorado Desert Comment
  SEINET10470380  Cheilanthes parryi David B. Dunn 1948-2-21 Dunn 3692 Riverside Common among the rocks on Northerly slopes of ravines. Pushawalla; a rain about 2 weeks earlier in wash. Hills still quite dry. Comment
  CAS-BOT-BC70383  Cheilanthes viscida Annie M. Alexander; Louise Kellogg 1941-5-21 2214 Riverside North slope of Eagle Mountains 1158 Comment
  RSA685829  Cheilanthes viscida I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon, Little Palm Canyon fork 305 Comment
  RSA717053  Chenopodium album A. C. Sanders 2002-12-13 25662 Riverside Temescal Valley: development called Trilogy at Glen Ivy at the confluence of Bixby and Anderson Canyons, basin W18 north of Trilogy Parkway 366 Comment
  SD146317  Chenopodium album A. C. Sanders, Mitch Provance 2000-10-16 23722 Riverside Riverside; railroad right of way between Watkins Dr. and Campus View Dr., near site of Lemona siding. 334 Comment
  UC56772  Chenopodium album H. M. Hall 1902-8-6 2652 Riverside Vicinity of Riverside 457 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
  UCR242659  Chenopodium berlandieri A. C. Sanders 2013-7-7 40860 Riverside Peninsular Range; San Jacinto Mountains, near central Idyllwild, west side of Hwy 243 at road junction to Astrocamp (Saunders Meadow Rd.) and 0.15 km NE of Tollgate Rd. junction 1596 Comment
  POM12953  Chenopodium californicum P. A. Munz, I. M. Johnston 1922-5-21 5536 Riverside Hemet Valley, San Jacinto Mountains 1418 Comment
  RSA543170  Chenopodium californicum Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6080 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
  UCR20741  Chenopodium californicum A. C. Sanders, Steve Boyd 1980-5-2 1395 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  RSA614714  Chenopodium ficifolium George K. Helmkamp 1997-2-1 1292 Riverside Industrial area in Coachella at 54th and Enterprise, ca 2 blocks E of Hwy CA-111., (33 39.4'N, 116 8.9'W). [UTM 10 km cell: NH-7E, 2N. Coachella] 0 Comment
  UCR115160  Chenopodium missouriense Mitch Provance 2000-10-14 2250 Riverside Jurupa Mountains, Belltown, SW side of Market St (Crestmore Rd.) at Bell Ave. 259 Comment
  UCR167456  Chenopodium murale 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
  RSA0099450  Chilopsis linearis Duncan S. Bell, Evan Meyer 2014-10-29 7690 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon, to the north of Martinez Canyon, about 6 air miles southeast of the summit of Martinez Mountain. 394 Comment
  RSA609746  Chilopsis linearis subsp. arcuata R. S. Woglum 1934-4-12 1354 Riverside Sonoran Desert: Mecca Canyon; Mecca Hills; North of Salton Sea. Comment
  SBBG59876  Chimaphila umbellata R. Hoffmann 1929-9-10 Riverside Tahquitz Peak 2590 Comment
  UC64797  Chloracantha spinosa var. spinosa E. E. Schellenger 1904-2-9 3 Riverside Paloverde Bench Colorado River Comment
  UCR148011  Chloris truncata Stan C. Spencer 2000-10-20 s.n. Riverside Hemet, corner of Warren Rd. and Stetson Ave. 457 Comment
  CAS-BOT-BC184874  Chloris virgata S. B. Parish 1912-10-24 8227 Riverside Salton Basin. Manual. -39 Comment
  UC729735  Chloris virgata Carl B. Wolf 1932-4-28 3071 Riverside 20 mi w Blythe (on the Mecca Road); Colorado Desert, Chuckwalla Valley 121 Comment
  UCR72194  Chorizanthe brevicornu Theo Glenn 1991-5-20 91- 104 Riverside Sonoran (Colorado) Desert, Arica Mts, SW of Rice 320 Comment
  UCR72222  Chorizanthe brevicornu Theo Glenn 1991-5-30 91- 119 Riverside Sonoran (Colorado) Desert, Mule Mtns, 0.2 mi. east of the Opal Hill Mine, just north of the Imperial County line and west of Palo Verde 200 Comment
  JOTR16632  Chorizanthe brevicornu var. brevicornu Vanderspek & Nolte 1964-4-17 s.n. Riverside Joshua Tree National Park. Comment
  UCR103557  Chorizanthe brevicornu var. brevicornu George K. Helmkamp, E. A. Helmkamp 1998-1-17 2551 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal .3 Comment
  UCSB22185  Chorizanthe brevicornu var. brevicornu Keefe, Joseph 1967-3-23 Riverside Rocky, southwest facing slope above 29 Palms Highway, 3.8 miles north of Mission Creek Road, Morongo Valley. 777 Comment
  RSA392658  Chorizanthe corrugata N. C. Cooper 1949-4-8 3306 Riverside Desert Center. 610 Comment
  UCR13297  Chorizanthe corrugata O. F. Clarke 1973-4-1 s.n. Riverside Sonoran (Colorado) Desert, Plateau above Box Canyon, along State Hwy 195, c. midway between Hwy I-10 and the Salton Sea Comment
  POM12961  Chorizanthe fimbriata P. A. Munz, I. M. Johnston 1922-5-18 5318 Riverside 3 miles south of Murrieta. Comment
  SD212684  Chorizanthe fimbriata Chris E. True, Robert Cox 2005-6-16 Riverside San Jacinto Mountains Foothills; along Highway 74 at milepost 48, across from Cranston US Forest Service Station, 3 miles east of Fairview Avenue, north of highway and south of San Jacinto River, near mouth of Bee Canyon 609 Comment
  POM158447  Chorizanthe leptotheca P. A. Munz 1927-5-21 10879 Riverside 10 miles SW of Coahuila [now Cahuilla]. Comment
  NY468374  Chorizanthe parryi G. H. True Jr. 1936-4-10 221 Riverside Sycamore Canyon, Box Springs 365.8 Comment
  SD138829  Chorizanthe parryi var. parryi Craig Reiser 1993-3-29 Riverside North of Lewis Valley Road and east of Sage Road Comment
  UC205932  Chorizanthe parryi var. parryi Gorden Sun 1917-5-25 Riverside Citrus Experimental Station Comment
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Nov 20 2011
  UCR20972  Chorizanthe polygonoides subsp. longispina A. C. Sanders 1980-5-2 1449 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  SD181399  Chorizanthe polygonoides var. longispina Steve Boyd 2001-4-12 10407 Riverside Santa Ana Mountains Gavilan Hills Region: Temescal Canyon, terrace escarpment just south of DePalma Road between Indian Wash and Horsethief Wash Comment
  UCD99879  Chorizanthe rigida William H. Brooks 24-25 Feb 1989 s.n. Riverside McCoy Wash, north of Blythe. 579 Comment
  JOTR30969  Chorizanthe watsonii La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1943 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  UCR100036  Chorizanthe xanti Scott D. White 1994-4-23 2045 Riverside San Bernardino Mtns., Millard Canyon, c. 5 air miles north of Cabazon: U.S. Forest Service Road 2S05.1, c. 1-1.5 mi. south of Millard Canyon Guard Station and junction of roads 2S05.2 & 2S05.1A (= East Branch) 1037 Comment
  SD224832  Chrysanthemum parthenium Scott D. White 1996-8-15 4478 Riverside Strawberry Creek at Hwy 74 bridge. Rocky creek bed 883 Comment
  POM308549  Chrysothamnus paniculatus Henry J. Ramsey, Henry J. Ramsey 1939-11-28 3146 Riverside Palm Springs. Comment
  SD258444  Chylismia brevipes subsp. brevipes J. M. Andre 2013-3-27 24818 Riverside Riverside Mountains; east side of Riverside Mountains, along Nwy 95, 13.2 miles S of Vidal Jst. Parker SW 7.5'Q 125 Comment
  SEINET13009282  Chylismia brevipes subsp. brevipes J. S. Horton 1973-3-19 698 Riverside 5 miles west of Desert Center. 366 Comment
  JOTR35076  Chylismia cardiophylla subsp. cardiophylla La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3528 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocks; narrow drainages surrounded by loose rocky slopes Comment
  UC306275  Chylismia cardiophylla subsp. cardiophylla Ivan Johnston 1917-4-4 1083 Riverside Palm Canyon Colorado Desert 304 Comment
  SBBG100299  Chylismia claviformis W. L. Halvorson 1977-3-8 77 -90 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  JEPS23474  Chylismia claviformis subsp. aurantiaca I. W. Clokey and B. C. Templeton 1930-4-9 4725 Riverside n Palm Springs; Colorado Desert 170 Comment
  SD187441  Chylismia claviformis subsp. aurantiaca Naomi Fraga, Sarah J. De Groot, et al. 2005-2-10 1424 Riverside Northeastern Colorado Desert region; along Palen Road near Highway 177. 170 Comment
  UC1602062  Chylismia claviformis subsp. aurantiaca H. Lewis 1952-4-5 Riverside rd to 29 Palms 1 mi s road to Desert Hot Springs Comment
  UC874160  Chylismia claviformis subsp. aurantiaca I. W. Clokey and B. C. Templeton 1930-4-9 4725 Riverside n Palm Springs; Colorado Desert 170 Comment
  UCD103916  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-1-25 11476 Riverside Box Canyon, 5.5 miles SE of Painted Canyon turnoff. Comment
  UCR276380  Chylismia claviformis subsp. aurantiaca Jim Andre 2015-4-23 32748 Riverside Sonoran (Colorado) Desert, Rice Valley; along Rice-Midland Rd., 3.1 miles south of Hwy 62, eastern end of Arica Mountains 253 Comment
  UCR276075  Cirsium occidentale T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3800 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
  POM6150  Cirsium scariosum L. T. Street 1917-5-15 s.n. Riverside Near Elsinore Comment
  RSA466523  Cistanthe ambigua Anstruther Davidson 1920-04 s.n. Riverside Mecca Comment
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Oct 26 2009
  POM8511  Cistanthe monandra P. A. Munz, R. D. Harwood 1920-4-4 3524 Riverside Pass south of Palm Springs. 152 Comment
  RSA613328  Cistanthe monandra D. L. Banks 1997-3-6 1392 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. ''Fiesta Grounds'', east of Pechanga Creek along the northern fork of Pechanga Creek at the eastern end of the Reservation. 424 Comment
  RSA561136  Clarkia bottae Steve Boyd, T. S. Ross, D. E. Bramlet 1993-5-12 7339 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon. 366 Comment
  POM9608  Clarkia purpurea subsp. quadrivulnera I. M. Johnston 1920-5-8 s.n. Riverside Jurupa Mts, extreme west end. between Riverside and Ontario. Comment
  CAS-BOT-BC164739  Clarkia rhomboidea H. M. Hall 1901-6-1 2270 Riverside In the vicinity of Strawberry Valley 1584 Comment
  RSA764122  Clarkia rhomboidea L. M. Prince, Duncan S. Bell 2009-6-17 579 Riverside Cleveland National Forest Comment
  UCR213902  Claytonia parviflora Scott D. White, Justin M. Wood 2009-5-22 12905 Riverside San Jacinto Mountains, Idyllwild area, 'Strawberry Fuelbreak' between Strawberry Creek and road to sewage ponds 1456 Comment
  UCR230218  Claytonia parviflora A. C. Sanders 2011-4-6 38980 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
  RSA586801  Claytonia parviflora subsp. parviflora D. L. Banks, Steve Boyd 1995-5-3 0239 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
  JOTR31041  Claytonia parviflora subsp. utahensis La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2025 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lower Covington Flats; STOP 1: drainage heading toward Smithwater Canyon, rocky canyon with narrow sandy bottom Comment
  UCR167395  Claytonia perfoliata John F. Green 2005-3-16 s.n. Riverside Perris-Aguanga Basin, Cajalco Canyon, SE of Corona, SW of Lake Mathews, east of Calif. highway 71; Collections made while monitoring pipeline repair 366 Comment
  SDSU13495  Claytonia perfoliata subsp. perfoliata Shawn Johnston, Calf. Plant Taxonomy Class Spring 2000 2000-4-1 15 Riverside Santa Margarita Ecological Reserve North End. Comment
  UCR12288  Clematis ligusticifolia Paul D. Wood 1971-10-3 s.n. Riverside Riverside, Santa Ana riverbottom area bordering Fairmount Park 244 Comment
  UCR121329  Clematis pauciflora A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 24990 Riverside The Badlands, marble outcrop on ridge about 1/2 mile east of Mt. Eden, above Laborde Canyon, SW of Beaumont 670 Comment
  UCR138892  Clematis pauciflora D. L. Banks 1997-4-5 1662 Riverside Agua Tibia Mtns., NW Palomar Mtns: Pechanga Indian Reservation. south of Dorland Mountain, just west of the Wilderness Area Boundary, along a tributary of the N fork of Pechanga Creek 640 Comment
  CAS-BOT-BC214182  Clinopodium chandleri H. D. Ripley; R. C. Barneby 1940-1-19 2752 Riverside Saxman Grade, Elsinore Mts. 1100 Comment
  CLARK-A1528-2207  Coldenia palmeri John C. Roos 1947-3-1 3299 Riverside Coachella Valley Comment
  RSA0065502  Coldenia palmeri David B. Dunn 1947-7-12 2951 Riverside Below the Palms in Pushawalla Canyon, in Indio Hills. Comment
  RSA699997  Collinsia bicolor Jeanne Paxton 1934-4-15 s.n. Riverside Hagador Canyon Comment
  RSA0117431  Collinsia concolor D. L. Banks, Steve D. Boyd 1995-5-9 384 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 701 Comment
  RSA249425  Colubrina californica R. W. Spujt 1973-4-10 3296 Riverside North face of the Chuckwalla Mountains, 3-4 miles directly south of Desert Center 305 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
  RSA575926  Conyza canadensis Steve Boyd, Darin L. Banks 1994-9-29 8366 Riverside Floodplain E of dike along San Jacinto River, W of Sedco Hills community. 381 Comment
  UCR21864  Conyza canadensis 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
  POM1812  Corallorhiza maculata I. M. Johnston 1916-8-1 s.n. Riverside Round Valley, San Jacinto Mountains. 2744 Comment
  RSA0084703  Cordylanthus nevinii Michael Denslow, Firoozeh Navid-Ara, Valerie Soza 2003-7-15 1453 Riverside Northeast of South Ridge trailhead, east of Idyllwild. 2012 Comment
  RSA0010995  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Colleen Wheeler 2010-7-19 1634 Riverside San Bernardino National Forest: Garner Valley, approximately 1.9 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1376 Comment
  UC455558  Cordylanthus rigidus subsp. setiger I. J. Condit 1910-6-21 Riverside Strawberry Valley San Jacinto Mts. 1676 Comment
  UCR5796  Cordylanthus rigidus subsp. setiger O. F. Clarke 1966-10-5 661005- 35 Riverside Peninsular Range; Santa Rosa Mtns., Santa Rosa Mountain Rd., first wooded canyon -- near University of California, Deep Canyon Desert Research Center 1829 Comment
  RSA770422  Coreopsis bigelovii Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4876 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm). 750 Comment
  POM355977  Coreopsis californica Norman C. Cooper 1944-3-25 1024 Riverside Cabazon. 457 Comment
  RSA33573  Coreopsis californica Norman C. Cooper 1944-3-25 1024 Riverside Cabazon. 457 Comment
  UC62879  Coreopsis californica var. californica H. M. Hall 1902-4-18 2924 Riverside Foothills 762 Comment
  SD136906  Corethrogyne filaginifolia Steve Boyd 1994-10-14 8401 Riverside San Mateo Canyon Wilderness Area, along the Fisherman's Camp Trail. 449 Comment
  SD239607  Corethrogyne filaginifolia A. C> Sanders 2010-11-18 38690 Riverside Peninsular Range: western Gavilan Hills; eastern edge of Corona, north end of radio tower ridge, 1.85 miles NNE (25a^z) of El Cerrito, 1 mile SSE (143a^z) of Home Gardens, just east of large rock quarry (Corona South 7.5'Q) 398 Comment
  UC895240  Corethrogyne filaginifolia I. W. Clokey and E. G. Anderson 1935-8-21 6962 Riverside North Fork San Jacinto River 1500 Comment
  UCSB4678  Cornus nuttallii Ralph, F. 1959-5-16 Riverside In canyon, along road to Dark Canyon Campground; in San Jacinto Mtns.; near Idyllwild 1676 Comment
  CLARK-A1656-711  Cotula australis Theo Glenn 1979-2-12 Riverside Palm Springs Comment
  UCR118244  Cotula australis Mitch Provance, J. Ross 1999-4-1 1732 Riverside Jurupa Mountains, saddle c. 0.5 km east of peak 1437 in the W portion of the Jurupa Mountains. 427 Comment
  UCR171913  Crassula connata John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, Temecula, Southern California Edison right of way between residential areas, N-S corridor between S General Kearny Road and La Serena Way; east of Veterans Park 366 Comment
  UC1287004  Crassula connata var. erectoides C. L. Hitchcock 1966-3-15 24149 Riverside 1 mi. e. Glen Ivy Hot Springs Comment
  RSA357152A  Crassula solieri R. F. Thorne 1973-5-23 43849 -A Riverside Santa Rosa Plateau:; N side of Mesa de Colorado. 610 Comment
  CAS-BOT-BC175807  Crossosoma bigelovii Edmund C. Jaeger 1925-3-1 s.n. Riverside Snow Creek, San Jacinto Mts. 609 Comment
  UCR25850  Crossosoma bigelovii John C. Roos 1949-4-2 4127 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Whitewater Canyon Comment
  UCR97503  Crossosoma bigelovii John Wear, N. Moorhatch 1997-3-4 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Chino (Tramway) Canyon, both sides of road 500 Comment
  JOTR28932  Croton californicus La Doux, Tasha, Bill Truesdell, Erin Babich 2005-3-7 1168 Riverside Joshua Tree National Park. Eagle Mountains, southeast end near Pinto Wells 316 Comment
  RSA770424  Croton californicus Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4874 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
  UCR156091  Croton californicus T. B. Salvato, Kent Beaman 2005-5-16 803 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
  UCR155303  Croton setiger A. C. Sanders 2005-5-4 29840 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  RSA663310  Crypsis vaginiflora A. C. Sanders, Mitch Provance 1999-9-26 23081 Riverside McMullen Flat at Valley High County Park, 0.7 mi. SE of Hwy 74 on Twin Pines Ranch Road 1183 Comment
  CLARK-A1045-208  Cryptantha angustifolia George K. Helmkamp 1979-4-18 Riverside Indio Hills dry wash; ; Lost Horse Mtn. 15'Q 304 Comment
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Feb 13 2019
  SBBG104073  Cryptantha angustifolia A. C. Sanders, E. J. Lawlor 1992-4-4 12111 Riverside within 0.5 mi of McCoy Spring; alluvial slopes below and to the S and cyn bottom above the spring 243 Comment
  SBBG128627  Cryptantha angustifolia D. Silverman, A. C. Sanders 2010-3-23 7818 Riverside Chuckwalla Valley, dunes at SSE tip of Palen Lake, 1.5 km SW of Palen Dunes Dr, 3.2 km N of I-10 and 8 km ESE of Sidewinder Well 130 Comment
  SBBG53356  Cryptantha angustifolia J. Zabriskie 1975-3-26 Riverside Boyd Deep Cyn Research Center Comment
  UC1547003  Cryptantha angustifolia Leila M. Shultz and John S. Shultz 1985-4-17 8296 Riverside n of Blythe (at the s extension of the Big Maria Mountains); Big Maria Mountains, Palo Verde Valley 91 Comment
  UCR148325  Cryptantha angustifolia John F. Green 2005-1-12 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  UCR33811  Cryptantha angustifolia Faulkner 1978-3-20 332 Riverside Sonoran (Colorado) Desert, near Big Maria Mtns., 1 mi west of Colorado River. 152 Comment
  UCR6094  Cryptantha angustifolia A. R. Gillogly 1966-3-10 s.n. Riverside Sonoran (Colorado) Desert, 2 mi south of Palm Desert on Hwy. 74 and 0.5 mi E '350 ft. 183 Comment
  POM98737  Cryptantha angustifolia P. A. Munz 1926-1-31 9974 Riverside Dos Palmas Spring Comment
  CHSC99603  Cryptantha barbigera LeRoy Gross 2005-3-3 1593 Riverside Colorado Desert; Northeastern Colorado Desert region: Palen Mountains, south side. Near end of old prospect road. Near 33.71244N, 115.11171W to 33.72053N, 115.11051W. General collecting along ridge with patino and a rejuvenate steep sided rocky, sandy canyon just to the east. All on a sparse vegetative pebbly plain bajada. 225 Comment
  RSA0123759  Cryptantha barbigera Duncan S. Bell, LeRoy Gross 2016-3-9 s.n. Riverside Orocopia Mountains; northwestern section of the range, approximately 6.5 air miles southwest of Chiriaco Summit, collecting in the area know as Hotel California. 775 Comment
  UC218093  Cryptantha barbigera P. A. Munz, D. Keck 1922-4-9 4757 Riverside near Mecca; Shavers Well 76 Comment
  UC494837  Cryptantha barbigera Philip A. Munz 1932-3-14 11991 Riverside Deep Canyon Coachella Valley 91 Comment
  UCR47671  Cryptantha barbigera F. R. Fosberg 1932-3-13 10627 Riverside Sonoran (Colorado) Desert, Coachella Valley, Thousand Palms Canyon 213 Comment
  UCR227003  Cryptantha barbigera var. fergusoniae Jim Andre 2011-2-2 16234 Riverside Coachella Valley, mouth of Big Morongo Wash, 1 mi east of Hwy 62, just north of North Indian Canyon Road, west of Desert Hot Springs, 7.5 mi north of Hwy I-10 487 Comment
  UCR41269  Cryptantha barbigera var. fergusoniae B. G. Pitzer 1986-2-9 2 Riverside Sonoran (Colorado) Desert, Santa Rosa Mountains: Martinez Canyon, SW of Valerie Jean, on upper fan, c. 1 mi east of mouth of canyon 122 Comment
  RSA49359  Cryptantha circumscissa P. A. Munz 1949-4-11 13007 Riverside Near Conejo Well, north base of Eagle Mts 915 Comment
  CAS-BOT-BC227861  Cryptantha costata Dave Silverman 2010-3-24 7824 Riverside South Palen Lake, Chuckwalla Valley, 5.1 km SE of Sidewinder Well, 2.7 km SW of Palen Dunes Dr., and 3.4 km N of Interstate 10 133 Comment
  JOTR33865  Cryptantha costata La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3057 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; sandy fans leading to Pinto Wash 357 Comment
  RSA796026  Cryptantha costata Duncan S. Bell 2009-4-18 243 Riverside Arica Mountains; northeast of range, approximately 2.25 air miles southwest of the ghost town of Rice. 224 Comment
  UCR24507  Cryptantha costata L. F. LaPre 1981-4-14 s.n. Riverside Coachella Valley, Palm Desert; 2 mi north of junction of Monterey Ave. & Country Club Dr. Comment
  UCR174946  Cryptantha decipiens Jennifer H. Jones, Toby Bartels 2006-4-23 276 Riverside Transverse Ranges; San Bernardino Mtns., Banning Pass, NE of Cabazon along powerline road and in Deep Canyon 744 Comment
  UCR279375  Cryptantha decipiens A. C. Sanders, Jim Malusa 2017-3-24 42953 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  RSA0108939  Cryptantha inaequata Duncan S. Bell, Amanda Bell 2012-1-28 3071 Riverside East side of the Arica Mountains; collecting in Rice Valley, approximately 6 air miles southeast of the ghost town of Rice. 202 Comment
  RSA691983  Cryptantha intermedia Scott D. White, Michael Honer 2003-4-2 8917 Riverside Alberhill area. North of the I-15 Freeway, on and near crest of unnamed mountain, 2349. 671 Comment
  UC551831  Cryptantha intermedia F. R. Fosberg 1932-5-9 10637 Riverside near Hemet; St. John's Grade 770 Comment
  UCR25980  Cryptantha intermedia John C. Roos 1948-4-24 3807 Riverside Eastern San Bernardino Mtns./Sonoran (Colorado) Desert, Whitewater Wash 549 Comment
  RSA0124819  Cryptantha maritima Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8751 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting on the Martinez Slide to the north of Toro Canyon, approximately 5.25 air miles east northeast of the summit of Martinez Mountain. 123 Comment
  RSA777771  Cryptantha maritima Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 978 Riverside Road to Priest's Well, east side of Arica Mountains 488 Comment
  UC551819  Cryptantha maritima F. R. Fosberg 1932-3-13 10624 Riverside Thousand Palms Canyon Comment
  UCR85069  Cryptantha maritima A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16081 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  POM3707  Cryptantha micrantha H. M. Hall 1905-4-28 5938 Riverside McCoy Wash. Comment
  RSA357781  Cryptantha micrantha R. F. Thorne, M. Z. Thorne 1973-3-30 42666 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  UC64426  Cryptantha micrantha H. M. Hall 1899-5-21 1120 Riverside San Jacinto Mts. 1600 Comment
  SEINET10456362  Cryptantha micrantha David B. Dunn 1948-3-14 Dunn 3770 Riverside Found in flat open sands near Hidden Springs Ranch 5 mi S of the Indio Hills in the Colorado Desert. Comment
  UCR75552  Cryptantha microstachys A. C. Sanders 1993-4-30 13884 Riverside San Bernardino Mtns., along Butterfly Road, which joins Wildwood Canyon Road 0.4 mi. west of Oak Glen Road; between Cherry Valley and the Riverside County line 1100 Comment
  UC1178518  Cryptantha muricata Peter Kamb 1948-7-4 1180 Riverside Hall Canyon San Jacinto Mts. 1645 Comment
  HSC3583  Cryptantha muricata var. jonesii C. L. Hitchcock 1966-3-15 24157 Riverside 1 mi. E of Glen Ivy Hot Springs Comment
  SBBG101675  Cryptantha muricata var. muricata S. Boyd with R. Gentry 1991-5-30 6316 Riverside Murrieta, summit of Hogbacks on Gentry Experimental Farm 542 Comment
  OBI38910  Cryptantha pterocarya A. C. Sanders, w/ Pitzer, Charlton, & Kniffen, Kniffen 1986-3-3 6119 Riverside Corn Spring, Chuckwalla Mts, wash below the spring and wash and rocky slopes to the south (T6S, R16E, sec 28-projected) 488 Comment
  JOTR32918  Cryptantha racemosa Andre, Jim, Tasha La Doux 2009-2-28 10840 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
  JOTR33726  Cryptantha utahensis La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2727 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy pediment/bajada surrounding granitic ourcrops near Stirrup Tank parking lot (Stop 1) Comment
  RSA593993  Cucurbita foetidissima D. L. Banks, Elizabeth Hedge Banks 1996-5-2 0937 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along the broad alluvial benches just to the SE of the gate to the Preserve. 448 Comment
  RSA697190  Cucurbita palmata J. R. Bruff 1929-11-29 434 Riverside Split Rock.- Colo Desert. Comment
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Oct 23 2011
  SEINET3082972 Image available Cucurbita palmata J. Hogan 1974-6-13 18 Riverside Joshua Tree National Monument: 0.5 mile north of White Tank campground 1317 Comment
  UCR188887  Cucurbita palmata D. E. Bramlet 2007-7-27 4111 Riverside Peninsular Range; Perris-Aguanga Basin, Lakeview Mountains, 732 m southwest of Juniper Springs Road, and 1.83 km east of Hansen Avenue 543 Comment
  POM9395  Cuscuta californica I. M. Johnston 1920-5-8 2269 Riverside Jurupa Mountains, extreme west end. Comment
  UCR272458  Cuscuta californica var. papillosa Mitch Provance 2012-8-1 712- 05 Riverside Colorado Desert, Thousand Palms Canyon Road, +- 2/3 of the way up into the canyon. 140 Comment
  POM319077  Cuscuta ceanothi Patricia Wilder 1972-2-18 5359 Riverside North side of Norco, along the Santa Ana River at the end of Pedley St. 229 Comment
  POM48873  Cuscuta ceanothi P. A. Munz, I. M. Johnston 1924-7-26 8707 b Riverside common on north slopes, 8 mi. S of Banning. 1372 Comment
  UCD98514  Cycloloma atriplicifolium K. Esau 1935-6-15 s.n. Riverside Hemet Valley. Comment
  UCR90280  Cycloloma atriplicifolium Scott D. White 1995-7-7 3446 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  SEINET3272856  Cylindropuntia californica var. parkeri Marc A. Baker, Michelle Cloud-Hughes 2012-11-16 17637 .3 Riverside Aguanga 7.5' USGS topographic quadrangle Zone; west side of Highway 79, 1.3 km north of Oak Grove, 7.6 km southeast of Aguanga, 8.5 km southeast of Riverside. 815 Comment
  SEINET9037740 Image available Cylindropuntia echinocarpa M. A. Baker 2015-1 18329 Riverside San Gorgonio Pass, 4km ENE of Banning, 33km WNW of Palm Springs, 800m east of the San Gorgonio River 660 Comment
  UCSB18434  Cylindropuntia ganderi del Moral, Roger 1964-5-10 Riverside State Highway 74; 11.3 miles S of junction with State Highway 111 914 Comment
  SD146116  Cyperus erythrorhizos A. C. Sanders, Mitch Provance 1999-9-26 23123 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 miles south east of Jackrabbit Trail on Gilman Springs Road, 1.4 miles south of Eden Hot Springs (El Casco 7.5' Quadrant); gentle slope, fine clay on dried lake bed; common annual on lower shore. 131 Comment
  UCR59813  Cyperus erythrorhizos Jeri Hirshberg 1989-7-12 s.n. Riverside Lake Perris: shoreline at east end of lake. 488 Comment
  UCR111756  Cyperus involucratus 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
  UCR176958  Cyperus involucratus D. L. Banks, E. H. Banks 1996-5-2 0949 Riverside Agua Tibia Mountains, NW Palomar Mountains; NW foothills of Dorland Mtn, S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage 524 Comment
  UCR173889  Cyperus niger Scott D. White, Angelia Carey 2004-9-16 10759 Riverside San Jacinto Mtns foothills, Indian Creek watershed, above confluence with San Jacinto River 579 Comment
  UCR113586  Cyperus odoratus A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23680 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 232 Comment
  CLARK-A1528-2767  Dalea emoryi John C. Roos 1966-5-2 Riverside Palm Springs Comment
  SD51744  Dalea mollis Peter M. Ray 1949-3-6 1327 Riverside Willis Palms, near 1000 Palms, Coachella Valley Comment
  UCSB3054  Dalea mollis Broder, Richard 1958-03 Riverside 5.8 miles E of Desert Center on U.S. 60-70 Comment
  CLARK-A1528-470  Dalea mollissima Rodney Hendrick 1965-3-14 Riverside Box Canyon 182-274 Comment
  HSC14692  Dalea mollissima H. E. Parks, W. H. Jordan Feb 1940 24162 Riverside Santa Rosa Canyon 305 Comment
  POM147633  Dasyochloa pulchella F. M. Reed 1927-3-20 5438 Riverside Eagle canyon, fork of Salt Creek Wash, Colorado Desert Comment
  RSA192165  Datisca glomerata E. W. Lathrop 1966-6-1 6364 Riverside Los Alamos Road, Tenaja Range, 14 miles NW of Murrieta. Comment
  UCR193503  Datisca glomerata A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35647 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1555 Comment
  JOTR34298  Datura wrightii Andre, Jim 2012-4-11 20708 Riverside Joshua Tree National Park. Pinto Basin; along road to Cottonwood, I mi NW of Fried Liver Wash, approx. 15 mi S of Hwy 62 in Twentynine Palms 617 Comment
  UCR154621  Daucus pusillus A. C. Sanders, T. B. Salvato 2005-4-28 29765 Riverside Peninsular Ranges, Gavilan Hills; north of Santa Rosa Rd., 1 mi. SW of Ida Leona Mine 625 Comment
  CAS-BOT-BC294114  Deinandra kelloggii H. A. Dutton 1899-6-12 s.n. Riverside Elsinore - Warm Springs Valley Comment
  HSC87025  Deinandra kelloggii L. F. LaPre 1988-6-3 Riverside Indian Trails project site, Indian Truck Trail exit on W side of Hwy. 15 in Temescal Canyon, 1/4 mi. from the freeway Comment
  UC1792822  Deinandra kelloggii A. C. Sanders 2004-5-12 27888 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 377 Comment
  UCSB37787  Deinandra kelloggii Roos, John 1965-6-27 Riverside Reche Canyon; Riverside or San Bernardino County Comment
  UCSB61511  Deinandra kelloggii Sanders, A. 1993-5-17 Riverside Hemet, S side of Florida Ave. (Hwy. 74) on the E side of California Ave.; (T5S, R2W, NW/4 sec. 13) 460 Comment
  UC1929655  Deinandra mohavensis V. Soza, S. D. Boyd, Neil Gilbert 2000-12-6 1063 b Riverside Peninsular Ranges, San Jacinto Mountains region; Alongside Highway 74, ca. 1 mile west of junction with Highway 243 (Mountain Center). 1311 Comment
  UC63236 Image available Deinandra mohavensis H. M. Hall 1901-8-6 2657 Riverside of the s side San Jacinto Mountains 1341 Comment
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Dec 24 2008
  RSA689567  Delphinium parishii Scott D. White, Michael Honer 2003-4-25 9111 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. 610 Comment
  UCD96240  Delphinium parishii H. Lewis; C. Epling 1941-5-4 s.n. Riverside 5 miles S. of White Tank on the road to Pinto Basin, Joshua Tree Nat. Mon. Comment
  CAS-BOT-BC7982  Delphinium parishii subsp. parishii S. Parish 1896-4-1 S.N. Riverside Palm Springs Comment
  CLARK-A1528-783  Delphinium parryi C. M. Flanagan 1973-5-31 OO 607 Riverside Morongo Indian Reservation 0 Comment
  RSA757622  Dendromecon rigida LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4336 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
  RSA433237  Dendromecon rigida subsp. rigida E. Crow 1929-3-17 191 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  CAS-BOT-BC198169  Deschampsia danthonioides Frank W. Peirson 1922-5-19 3022 Riverside 10 mi. NE of Murietta along roadside, Menifee Valley Comment
  CAS-BOT-BC198173  Deschampsia danthonioides A. C. Sanders 1993-5-12 13998 Riverside Hemet, SW corner of the intersection of Florida Ave. (Hwy. 74) and Warren Rd., between the New San Diego Aqueduct and Warren 457 Comment
  UCR213838  Deschampsia danthonioides Scott D. White, Justin M. Wood 2009-5-21 12855 Riverside San Jacinto Mountains, Garner Valley, near abandoned duck ponds, south of Quinn Flat 1366 Comment
  POM11891  Descurainia obtusa subsp. adenophora E. C. Jaeger 1921-6-14 s.n. Riverside MacMullin Trail 1220 Comment
  JEPS9739  Dicentra chrysantha Marjorie D. Clary 1932-7-4 1214 Riverside Aguanga Valley 609 Comment
  RSA523966  Dichelostemma capitatum Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4012 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR126376  Dichelostemma capitatum A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 685 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR178511  Dichelostemma capitatum R. G. Swinney 1967-2-12 0021 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek 335 Comment
  UC1930086  Dichelostemma pulchellum Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10489 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
  RSA501059  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3167 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  CLARK-A1528-1795  Dicoria canescens John C. Roos 1943-10-17 2744 Riverside Dry Morongo Wash Comment
  UCR214871  Dicoria canescens A. C. Sanders 2010-3-15 37402 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  UCR264611  Dicoria canescens Mitch Provance 2012-11-9 1120- 2 Riverside Colorado Desert, Whitewater, near corner of Whitewater cutoff Rd. and Painted Hills Rd., about 0.1 miles N of Interstate 10 405 Comment
  UC1422542  Dieteria canescens var. ziegleri Jeanine Derby and Tim Krantz 1977-10-13 Riverside on 7SO2 3.6 mi se junction with highway 74 turnoff to Santa Rosa Peak; Santa Rosa Mts. 2377 Comment
  CDA4510  Dimorphotheca sinuata A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30067 Riverside Peninsular Range, Agua Tibia Mountains; UC Emerson Oaks Reserve, ca. 8 miles southeast of Temecula, S of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank Comment
  SEINET229299 Image available Diplacus bigelovii var. bigelovii Leila M. Shultz, John S. Shultz 1985-1 8346 Riverside Chuckawalla Mountains, alluvial fans at Alligator rock 335 Comment
  RSA0019291  Diplacus brevipes Percy C. Everett, Lee W. Lenz, E. K. Balls 1952-7-1 17274 Riverside 1.2 mi. s.e. of Lake Fulmore on hwy from Banning to Idyllwild. 1280 Comment
  CAS-BOT-BC153096  Diplacus fremontii Marcus E. Jones 1926-5-31 s.n. Riverside Corona Comment
  CAS-BOT-BC150875  Diplacus puniceus C. F. B. 1904-4-4 4152 Riverside Elsinore Comment
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Sep 3 2017
  RSA0086589  Diplacus puniceus Bonnie C. Templeton, C. B. Clokey, I. W. Clokey 1930-4-15 1086 Riverside Hillsides near Gavilan Peak. 607 Comment
  SD136747  Diplacus puniceus Steve Boyd, T. Ross, O. Mistretta 1992-3-31 6743 Riverside San Mateo Cyn Wilderness Area. Morgan Trail from Round Potrero W to jtn with Tenaja Tr. In N-fork Bear Creek. 730 Comment
  CAS-BOT-BC195680  Distichlis spicata Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore Comment
  RSA421623  Ditaxis californica H. de Forest 1935-12-26 s.n. Riverside Colorado Desert Comment
  GMDRC3549  Ditaxis lanceolata J. Andre, T. La Doux 2009-2-25 10806 Riverside Chuckwalla Mountains: growing on rocky (granitic) north-facing slope, approx 0.5 mi. south of I-10 freeway at Eagle Mtn Rd exit, USGS 7.5 min. Quad: Desert Center 33 deg. 41.303' N 115 deg. 27.236' W. Elev. 1358 ft. 414 Comment
  UCR97439  Ditaxis neomexicana A. C. Sanders, Pam MacKay, Tim Thomas, G. K. Helmkamp 1997-2-8 19685 Riverside Colorado Desert/San Jacinto Mtns:, Palm Springs area, Murray Canyon off Palm Canyon 244 Comment
  RSA4877  Ditaxis serrata C. B. Wolf 1932-4-27 s.n. Riverside Colorado Desert, 14 miles E. of Mecca on Blythe Road 152 Comment
  SD46582  Ditaxis serrata var. californica P. C. Everett, E. K. Balls 1956-5-2 21559 Riverside Eagle Mountains, 8.0 miles north of junction with Highway 60/70 on road to Eagle Mountain Pumping Station. 370 Comment
  RSA66546  Dithyrea californica F. W. Peirson 1926-1-31 6484 Riverside Abundant on rocky slopes, Dos Palmas [Spring], Colorado Desert. Comment
  SEINET3148478  Dithyrea californica G. B. Grant 1906-1 266 a-6769 Riverside Colorado desert at Palm Springs Comment
  CAS-BOT-BC412632  Dodecahema leptoceras Steve Boyd 1986-4-19 1692 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road Comment
  OBI69423  Dodecahema leptoceras L. LaPre 1988-1 Riverside Comment
  RSA228812  Dodecatheon clevelandii Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 597 Riverside Santa Rosa Plateau, ca. 5 mi. west of Murrieta near Forest Route 7S01. 549 Comment
  RSA359605  Dodecatheon clevelandii Steve Boyd 1986-3-9 1401 Riverside Temescal Canyon: Terrace escarpments between Indian Truck Trail and Horsethief Wash 366 Comment
  RSA674926  Dodecatheon clevelandii Scott D. White, Pam De Vries 2000-4-25 7726 Riverside Temescal Valley: Corona area, eastern foothills of Santa Ana Mountains just above citrus groves. 412 Comment
  UCR20796  Downingia bella A. C. Sanders 1980-5-17 1468 Riverside Santa Rosa Plateau, Santa Ana Mtns., 2.5 miles SW of Murrieta, Mesa De Burro 620 Comment
  RSA697425  Draba corrugata J. R. Bruff 1934-7-5 s.n. Riverside San Jacinto Mountain Comment
  UC489272  Draba corrugata var. saxosa C. V. Meyer 1928-7-27 549 Riverside San Jacinto Peak 3291 Comment
  POM183961  Draba cuneifolia var. integrifolia P. A. Munz 1932-3-15 12009 Riverside Deep Canyon, Coachella Valley. 91 Comment
  POM9754  Draba saxosa E. C. Jaeger 1921-6-20 s.n. Riverside San Jacinto Mts. 1 mile below Round Valley. Comment
  RSA530891  Draba saxosa Albert J. Perkins 1917-7-19 s.n. Riverside Summit San Jacinto Pk. 3293 Comment
  RSA1661  Drymocallis glandulosa Carl B. Wolf 1931-5-11 1961 Riverside Near Pipe Creek, above Hemet Valley. 1677 Comment
  POM12104  Drymocallis glandulosa var. reflexa Mary F. Spencer 1921-6-10 1861 Riverside Idyllwild. 1616 Comment
  UC12558  Drymocallis lactea var. lactea H. M. Hall July, 1901 2355 Riverside Tauquitz Valley San Jacinto Mountains, Tauquitz Valley (San Jacinto Mountains, Southern California) 2499 Comment
  UCR178349  Dryopteris arguta Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 1056 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  RSA689552  Dudleya lanceolata Scott D. White, Michael Honer 2003-4-25 9121 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  UCR78336  Dudleya multicaulis D. E. Bramlet 1993-5-5 2338 Riverside tributary to Olsen Canyon, c. 76m south of the canyon, and 90m east of the existing dirt road, c. 213m NE of the existing El Sobrante Landfill 375 Comment
  RSA191407  Dudleya pulverulenta E. W. Lathrop, R. F. Thorne 1967-9-26 6619 Riverside Tenaja Guard Station, 10 miles NW of Murrieta. Comment
  LA104955  Dudleya saxosa subsp. aloides Kei Nakai; 1980-12-25 688 Riverside San Jacinto Mountains, 4.0 mi. W of Mountain Center on S side of Hwy 74 1219 Comment
  UCR280930  Dysphania pumilio Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-23 517- 33 Riverside Temescal Valley, Temescal Valley, Indian Wash, SE side of Glen Eden Rd. at De Palma Rd. 372 Comment
  CAS-BOT-BC59756  Echinocereus engelmannii var. engelmannii L. R. Abrams 1926-3-27 11214 Riverside Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC32714  Echinocereus engelmannii var. munzii P. A. Munz; I. M. Johnston 1922-5-21 5570 Riverside Field redacted by CAS, contact the data manager for more information 1417 Comment
  UCR189543  Echinochloa crus-galli Fred M. Roberts, S. Leatherman 2007-9-19 6580 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  UC1922815  Eleocharis bella Naomi Fraga, et al. 2006-7-11 1727 Riverside Peninsular Ranges; San Jacinto Mountains region: Mount San Jacinto State Park, Hidden Lake. Comment
  SD144140  Eleocharis geniculata A. C. Sanders, S. White & C. L. Sanders 1994-10-9 15815 Riverside San Bernardino Mountains: Whitewater Canyon, 2 miles below trout farm, above Bonnie Bell 550 Comment
  JOTR38424  Eleocharis macrostachya Hodges, Stephen, A. Ingersoll 2015-8-26 652 Riverside Joshua Tree National Park. Queen Mountains, Wonderland of Rocks, Barker Dam. Comment
  RSA198999  Eleocharis montevidensis Robert F. Thorne, Philip A. Munz, E. W. Lathrop 1968-5-8 37600 Riverside Santa Rosa Plateau, Rancho California 610 Comment
  UCR58486  Eleocharis montevidensis Jeri Hirshberg 1989-4-11 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., S of town of Murrieta, NE of Mesa del Burro. Rocky creek bed below Guava-DeLuz Road, c. 1.5 mi SW of intersection w/ Hayes Avenue Comment
  JEPS19328  Eleocharis parishii I. W. Clokey, E. G. Anderson 1935-8-21 6564 Riverside Hemet Lake 1320 Comment
  UCR123661  Eleusine indica A. C. Sanders 2001-9-23 24877 Riverside San Bernardino Valley region, Riverside, Castle Park in La Sierra, 91 Fwy at Polk St. 220 Comment
  SD146093  Elymus elymoides Scott D. White 1997-5-18 5175 Riverside San Jacinto Mountains, Black Mountain Scenic Area, Black Mountain Trail between Highway 243 and Cinco Poses Trail junction 1700 Comment
  UC38180  Elymus elymoides subsp. elymoides H. M. Hall 1897-8-11 821 Riverside Lake Surprise San Jacinto Mountains (shores) 2499 Comment
  UC38191  Elymus glaucus H. M. Hall 1901-7-20 2515 Riverside vicinity of Strawberry Valley San Jacinto Mts. 1615 Comment
  UCR193906  Elymus hispidus A. C. Sanders, Mitch Provance 2008-7-11 35746 Riverside Peninsular Range; San Jacinto Mtns., 3/4 mi. NE of Mountain Center, c. 1/4 mile NE of Keenwild Fire Station, near road to helipad 1494 Comment
  RSA770311  Emmenanthe penduliflora Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4401 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
  RSA771665  Emmenanthe penduliflora Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4900 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
  UC1518629  Emmenanthe penduliflora Robert F. Thorne, Drs. Fosberg, Sachet, and Herbst 1983-4-23 55466 Riverside San Bernardino Mts.: Side-canyon on W side of Whitewater, ca 3.3 mi N of Whitewater Post Office 594 Comment
  UCR101581  Emmenanthe penduliflora Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  UCR263239  Emmenanthe penduliflora A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41481 Riverside San Gorgonio Pass, 3.3 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope east of the water bottling plant and south of I-10 445 Comment
  UCR260542  Emmenanthe penduliflora var. penduliflora T. B. Salvato 2014-5-29 8027 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Debon Street, c. 0.7 mi west of Murrieta Rd and 4.4 mi southeast of Canyon Lake 537 Comment
  RSA594004  Encelia actoni D. L. Banks, Elizabeth Hedge Banks 1996-5-2 0936 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along the broad alluvial benches just to the SE of the gate to the Preserve. 448 Comment
  UC488974  Encelia actoni C. V. Meyer 1927-6-1 210 Riverside w base of San Jacinto Mt. 609 Comment
  UCR104194  Encelia actoni Scott D. White 1997-5-25 5225 Riverside San Jacinto Mtns., Bautista Canyon, along Bautista Canyon Road, c. 1.3 road miles NW of Hixon Trailhead (USFS Road No. 2E43) 762 Comment
  UCR21904  Encelia californica Steve Boyd 1980-5-11 253 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
  UCR5549  Encelia californica Marvin Miller 1967-1-6 s.n. Riverside Peninsular Range, Gavilan Hills Comment
  CAS-BOT-BC131333  Encelia farinosa L. Street 1917-5-15 s.n. Riverside Elsinore Comment
  JEPS23539  Encelia farinosa Peter H. Raven 1958-2-15 11585 Riverside along U. S. Highway 60 (8.7 mi e of road to Wiley Wells) Comment
  LA83403  Encelia farinosa O. H. Kappler; 1945-5-8 215 Riverside Morongo Pass Area, Desert City Comment
  OBI16596  Encelia farinosa H. E. McMinn 1937-3-6 5017 Riverside About 40 mi N of Blythe; River rd Comment
  RSA0069673  Encelia farinosa Cheryl Sevilla, Sarah J. De Groot, Duncan S. Bell 2015-2-10 5 Riverside In the Bear Creek drainage of the Santa Rosa Mountains. 2.3 air miles west of Lake Cahuilla; south of La Quinta; north of Devil Canyon; southwest of Coachella Valley. 193 Comment
  SD229084  Encelia farinosa Dick Schwenkmeyer 2012-11-6 872 Riverside West fork of Palm Canyon, Agua Caliente Indian Reservation, 4.7 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 227 Comment
  UC1536838  Encelia farinosa G. H. True Jr. 1935-2-27 25 Riverside Bos Springs 365 Comment
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Dec 12 2011
  UC53986  Encelia farinosa F. Gilman 36 Riverside vicinity Palm Springs Comment
  UCD131213  Encelia farinosa R. N. Raynor 1933-3-31 s.n. Riverside Moreno Valley near Eden P.O. Comment
  UCR177841  Encelia farinosa Marisa Sripracha, K. A. Boyd 2004-3-21 054 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  UCR263656  Encelia farinosa David Fraker, Aaron C. Sedgwick 2012-3-22 023 Riverside Sonoran (Colorado) Desert, Palen Mountains, Coxcomb Monument Road [becomes Palen Pass Rd.] c. 8 miles east of Hwy 177 376 Comment
  UCR272421  Encelia farinosa Cheryl Sevilla, Sarah J. De Groot, Duncan S. Bell 2015-2-10 005 Riverside Santa Rosa Mountains, Bear Creek drainage , 2.3 air miles west of Lake Cahuilla, south of La Quinta, north of Devil Canhyon, southwest of Coachella Valley 193 Comment
  POM356677  Encelia farinosa var. farinosa Norman C. Cooper 1949-4-8 3263 Riverside Mecca Pass east of Indio. 610 Comment
  RSA0107844  Encelia frutescens Duncan S. Bell, Thomas Stoughton 2010-3-19 582 Riverside West side of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2.5 air miles west of Priest Well. 418 Comment
  RSA374212  Ephedra aspera S. Carlquist 1987-4-5 15922 Riverside In sandy flats and depressions around Cottonwood Springs, Joshua Tree National Monument. Comment
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Oct 9 2010
  UCR185109  Ephedra aspera LeRoy Gross, L. Lubinsky, V. W. Steinmann, L. L. Worlow 2005-2-17 1434 b Riverside Chocolatte-Chuckwalla Mountains, Colorado Desert; Corn Springs Campground in the Chuckwalla Mountains. Canyon SW of Campground 549 Comment
  UCR41522  Ephedra aspera A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6142 Riverside Sonoran (Colorado) Desert, N foot of the Chuckwalla Mountains, 2.75 mi (airline) SE of Desert Center 367 Comment
  JOTR33745  Ephedra californica La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2743 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  POM299276  Ephedra californica A. M. Alexander, Louise Kellogg 1941-5-15 2183 Riverside north base of Eagle Mountains. 915 Comment
  RSA383872  Ephedra californica Ora M. Clark 1929-2-22 1574 Riverside Sandy desert valleys. So. of Palm Springs. Colorado Desert. Comment
  RSA383881  Ephedra californica N. C. Cooper 1944-3-25 1040 Riverside Morongo Pass. 457 Comment
  NY70797  Ephedra viridis R. F. Thorne 1967-3-21 41639 Riverside Joshua Tree National Monument: Cottonwood Springs 914.4 Comment
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Oct 9 2010
  SEINET3220674 Image available Ephedra viridis P. Leary 1975-4-12 1049 Riverside 3/4 mile N of Sheep Pass, Joshua Tree National Monument. 1402 Comment
  RSA787332  Epilobium adenocaulon var. parishii Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49556 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons Comment
  UCR114315  Epilobium canum Mitch Provance 2000-7-23 905 B Riverside Jurupa Mtns, Property just NE of the Jurupa Mtns. Cultural Center 305 Comment
  RSA559605  Epilobium canum subsp. latifolium Louis C. Wheeler 1933-12-1 2291 Riverside Mouth of Tauquitz Canyon, San Jacinto Mountains. 152 Comment
  RSA588501  Epilobium canum subsp. latifolium H. de Forest, Jack Rempel 1933-10-29 s.n. Riverside Snow Creek Canyon 541 Comment
  SD229207  Epilobium canum subsp. latifolium Dick Schwenkmeyer 2011-8-25 652 Riverside Thomas Mountain, Tool Box Springs Campground 1857 Comment
  UC1178499  Epilobium canum subsp. latifolium Peter Kamb 1948-10-31 1278 Riverside Hall Canyon San Jacinto Mts. 1645 Comment
  UC64311  Epilobium canum subsp. latifolium H. M. Hall 1901-6 2330 Riverside ridges and peaks near Tauquitz; San Jacinto Mountains 2133 Comment
  UCR54427  Epilobium canum subsp. latifolium A. C. Sanders, E. J. Lawlor 1988-10-22 8734 Riverside Santa Rosa Mountains, Pinyon Flats area, along the trail from the Dolomite Mine to Horsethief Creek 1200 Comment
  UCR202595  Epilobium densiflorum Scott D. White, Justin M. Wood 2008-7-9 12427 Riverside San Jacinto Mountains, K Flat, from large pond downstream to meadow 1463 Comment
  UCR90616  Epilobium densiflorum Scott D. White 1995-6-29 3404 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  RSA736382  Epilobium pygmaeum Scott D. White, Justin M. Wood 2008-5-1 11923 Riverside Perris Basin: I-215 freeway corridor, between freeway and frontage road, S of Scott Rd. 470 Comment
  CLARK-A1528-7852  Epipactis gigantea John C. Roos 1948-5-15 3838 Riverside Eagle Mountains Comment
  RSA249865  Epipactis gigantea Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38152 Riverside San Bernardino National Forest, San Jacinto Mountains: Lake Fulmor. 1677 Comment
  UCR131004  Epipactis gigantea George H. Grinnell 1921-5-20 s.n. Riverside Riverside 366 Comment
  UCR265591  Eragrostis cilianensis Jordan Zylstra 2014-7-6 14017 Riverside San Jacinto Mountains, Fobes Canyon 1524 Comment
  RSA129670  Eragrostis cilianensis H. S. Yates 1936-8-29 6372 Riverside Idlewild [Idyllwild]. 1677 Comment
  SD112848  Eragrostis mexicana subsp. virescens D. F. Howe 1947-8-17 1753 Riverside Orange Grove, Redlands Comment
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Feb 17 2013
  RSA28057  Eremalche exilis I. L. Wiggins 1941-3-27 9685 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  RSA544283  Eremocarpus setiger Steve Boyd, T. S. Ross 1991-6-14 6364 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
  UCR279336  Eremothera refracta A. C. Sanders, Jim Malusa 2017-3-23 42921 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 2.3 miles east of Iris Pass 787 Comment
  UCR162890  Eriastrum A. C. Sanders, K. C. Rose 1995-4-5 16383 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  UC909037  Eriastrum densifolium subsp. austromontanum John Thomas Howell 1927-8-2 2908 Riverside between Banning and Strawberry Valley; Mt. San Jacinto Comment
  UC1787332  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1992-6-22 102 Riverside Hwy 371, 4.5 km south of Hwy 74, south side of road, in sandy bottom of Hamilton Wash 1267 Comment
  UCR35045  Eriastrum densifolium subsp. densifolium L. B. Ziegler 1967-6-14 159 Riverside San Jacinto Valley, 1 mi. east of San Jacinto 473 Comment
  JOTR29245  Eriastrum eremicum subsp. eremicum La Doux, Tasha 2005-8-17 1526 Riverside Joshua Tree National Park. Queen Valley, at intersection of Park Blvd. and O'Dell Rd. 1338 Comment
  UC2062556  Eriastrum eremicum subsp. eremicum Sarah J. De Groot with Robert K. Lauri 2005-7-7 5116 Riverside North foot of Mt. San Jacinto: Along Snow Creek Road just south of Highway 111, south of I-10. Comment
  UCR130710  Eriastrum eremicum subsp. eremicum George K. Helmkamp, E. A. Helmkamp 1998-6-27 4076 Riverside San Jacinto Mtns., Garner Valley, along Hwy 74 at Morris Ranch Rd. 1372 Comment
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Nov 13 2018
  CAS-BOT-BC514466  Eriastrum eremicum subsp. eremicum Annie M. Alexander; Louise Kellogg 1941-6-1 2265 Riverside Intersection of Morongo and main highway 243 Comment
  RSA0120092  Eriastrum eremicum subsp. eremicum C. L. Hitchcock 1940-4-4 5963 Riverside Cottonwood Springs, Joshua Tree National Monument. Comment
  RSA0121257  Eriastrum eremicum subsp. eremicum Robert Gustafson 1980-5-5 1572 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon wash. 610 Comment
  UCR272656  Eriastrum sapphirinum subsp. dasyanthum Sarah J. De Groot, Duncan S. Bell 2015-5-14 7374 Riverside SE San Bernardino Mtns./Sonoran Desert, White Water, along Pacific Crest Trail about 400 m south of Forks 3028, and about 450 m south of Red Dome 768 Comment
  RSA0122014  Eriastrum sapphirinum subsp. dasyanthum F. M. Reed 1926-5-8 5309 Riverside Rocky hills south of Perris on Elsinore Road. Comment
  RSA0121253  Eriastrum sapphirinum subsp. sapphirinum N. C. Cooper 1949-6-29 4290 Riverside East side of San Jacinto Mountains. 1524 Comment
  POM359409  Ericameria linearifolia Mark Morris 1929-3-17 14925 Riverside Palm Canyon. Comment
  POM359411  Ericameria linearifolia M. B. Dunkle 1933-5-6 3382 Riverside Colorado Desert. Dry Morongo Creek Comment
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Oct 31 2011
  RSA500079  Ericameria linearifolia Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3233 Riverside Vail Lake Area. Sandstone ridge between Kolb Creek and Temecula Creek, forming peninsula at SW end of lake. Comment
  SD84911  Ericameria linearifolia Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-9 372 Riverside 2.0 miles up water service road leading south from Highway 72, Deep Canyon. 1310 Comment
  UC894832  Ericameria paniculata Carl B. Wolf 1932-10-11 Riverside at San Bernardino Co. line Morongo Wash; Colorado Desert, Little San Bernardino Mts., Morongo Wash 731 Comment
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Feb 10 2013
  UCR277797  Ericameria paniculata A. C. Sanders, Jim Malusa 2017-1-15 42667 Riverside Sonoran (Colorado) Desert, Salt Creek wash below Red Canyon confluence, north edge of Chocolate Mountains Aerial Gunnery Range, beside Summit Road 367 Comment
  JEPS19246  Ericameria teretifolia Marjorie D. Clary 1932-11-14 1676 Riverside se of Pinyon Flats (Palms to Pines Rd.); Colorado Desert Comment
  JOTR31167  Erigeron breweri var. covillei La Doux, Tasha 2009-6-3 1873 Riverside Joshua Tree National Park. (Stop 6): Little San Bernardino Mountains, Covington Flats Area, dry ephemeral wash near parking area 1426 Comment
  RSA679071  Erigeron breweri var. jacinteus Michael Denslow, Firoozeh Navid-Ara, Valerie L. Sosa 2003-7-15 1450 Riverside Tahquitz Peak, on saddle east of summit 2637 Comment
  UCR106353  Erigeron divergens John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  POM12780  Erigeron foliosus P. A. Munz 1922-6-23 5785 Riverside Hemet Valley, San Jacinto Mountains, [on Garner Ranch - 5784] 1372 Comment
  SEINET7062959  Erigeron foliosus A. G. Vestal 1947-6-13 s.n. Riverside About 5.2 miles northeast of De Luz in Sandia Canyon. UTM Zone 11, 476282mE, 3705489mN. (WGS84/NAD83). 263 Comment
  UCR251864  Erigeron foliosus M. A. Voeltz 2014-5-25 s.n. Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon near Corona, Cleveland National Forest, Trabuco Ranger District 403 Comment
  UCR34966  Erigeron foliosus var. foliosus L. B. Ziegler 1967-6-15 161 Riverside San Jacinto Mtns, Bautista Creek Canyon 732 Comment
  RSA89920  Erigeron foliosus var. stenophyllus E. K. Balls, Percy C. Everett 1953-7-1 18351 Riverside 2.2 miles NW of boundary of San Bernardino National Forest, raod from Idyllwild to Banning. Comment
  SEINET959316  Erigeron jonesii A. C. Sanders 2006-1 32782 Riverside Schell Creek Range: head of canyon above Rosebud Spring, c. 1 mile SE of V ABM Connor, 2.5 miles south of Hwy 50/93 at Conners Pass (Connor's Pass 7.5 Q) 2499 Comment
  CAS-BOT-BC189082  Eriodictyon crassifolium P. A. Munz 1932-4-24 12390 Riverside Snow Creek Canyon, San Jacinto Mountains 457 Comment
  OBI40179  Eriodictyon crassifolium N. Miles Fellows 1984-3-20 10 Riverside Oasis de Los Osos Preserve, off Snow Crk cyn at then orth foot of the San Jacinto mtns., 1 mi W of Snow Creek Village. 488 Comment
  RSA444486  Eriodictyon crassifolium J. C. Roos 1947-3-15 3340 Riverside San Jacinto Mtns: Cranston Ranger Station, E of Hemet, west base of Mtns. 610 Comment
  RSA652165  Eriodictyon crassifolium var. crassifolium William Gilbert 1969-5-24 s.n. Riverside Between Banning and Idyllwild. 1220 Comment
  SEINET7073459  Eriodictyon tomentosum A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  RSA455109  Eriodictyon trichocalyx var. lanatum Christopher Davidson 1978-6-15 7385 Riverside Santa Rosa Mts. Road from Hwy 74 to Sta Rosa Mt., ca. 2 mi W of junction to Sta Rosa Spgs Campground. 2088 Comment
  UCR237683  Eriodictyon trichocalyx var. trichocalyx Orlando Mistretta, Duncan S. Bell, Janet Beckman, Joy England, K. Kane, et al. 2010-4-12 4757 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 600 Comment
  CAS-BOT-BC248620  Eriogonum apiculatum P. A. Munz; E. K. Balls 1952-8-21 17975 Riverside Santa Rosa Spring, Santa Rosa Mts. 2133 Comment
  RSA393080  Eriogonum apiculatum Anstruther Davidson 1930-1 s.n. Riverside Tahquitz Ridge. 2439 Comment
  UCR35090  Eriogonum apiculatum L. B. Ziegler 1967-8-23 224 Riverside San Jacinto Mtns, Pinyon Flats; dry washes on the flats 1250 Comment
  UCR56075  Eriogonum austrinum G. F. Pratt 1988-12-31 s.n. Riverside Sonoran (Colorado) Desert, Granite Mountains, south of Rice 915 Comment
  CAS-BOT-BC242793  Eriogonum davidsonii Steve Boyd 1987-2-12 1966 Riverside Temescal Canyon, southeast of Corona, where Horsetheif [Horsethief] Wash crosses Temescal Cyn Rd. 353 Comment
  JEPS56711  Eriogonum davidsonii Marjorie D. Clary 1932-5-25 1645 Riverside between Indio and Pinyon Well; Little San Bernardino Mts., Berdoo Canyon 609 Comment
  SEINET6340536  Eriogonum davidsonii Richard Walker 1967-9-30 91 Riverside About 2 miles below Black Mountain Camp on north side of road embankment ca. 6ft. off. San Jacinto Mountains 1981 Comment
  JEPS20728  Eriogonum deflexum var. deflexum Roxana S. Ferris and Rimo Bacigalupi 1958-3-19 13258 Riverside 2.3 mi above Midland P.O. (U.S. gypsum mine property); Little Maria Mts. Comment
  RSA789366  Eriogonum fasciculatum Aaron C. Sedgwick, David Fraker 2012-3-28 42 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  SEINET6418387  Eriogonum fasciculatum Ken Zysk 1971-4-27 P 140 Riverside Chaffey College 457 Comment
  POM98946  Eriogonum fasciculatum var. flavoviride E. C. Jaeger 1926-3-24 s.n. Riverside Cottonwood Springs, Eagle Mountains. Comment
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Oct 9 2010
  RSA766112  Eriogonum fasciculatum var. foliolosum Joseph A. Ewan 1930-4-17 2193 Riverside Near mouth of Snow Canyon. 610 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
  LA206795  Eriogonum fasciculatum var. polifolium Norman C. Cooper; 1944-4-8 1080 Riverside Andreas Canyon 304 Comment
  RSA316417  Eriogonum fasciculatum var. polifolium Robert F. Thorne, Kay L. Wright, Richard K. Benjamin 1982-10-8 55399 Riverside Side canyon on W side of Whitewater Cyn, ca. 3.3 mi. N of Whitewater Post Office. 595 Comment
  SEINET10624394  Eriogonum fasciculatum var. polifolium Greg Gust, Leith Nye 2005-3-11 Gust 543 Riverside Lake Elsinore City Limits. Hwy 74 ca. 2 mile W of Lake Elsinore on hill slope pullout. 691 Comment
  UCSB1525  Eriogonum fasciculatum var. polifolium Ullman, Sydney 1956-4-14 Riverside Town of Whitewater Comment
  UC849445  Eriogonum gracile I. W. Clokey 1935-8-21 6593 Riverside Hemet Lake 1300 Comment
  SEINET9037299 Image available Eriogonum gracile J. L. Reveal, Caroline G. Reveal 1972-8-6 2844 Riverside Along California Highway 74, 1.5 miles southwest of the summit of Santa Ana Mountains, 9 miles southwest of Elsinore and aboot 22 miles east-northeast of San Juan Capistrano, near turnoff to McConville Camp, Comment
  RSA393247  Eriogonum gracile var. gracile T. W. Minthorn 1925-7-4 s.n. Riverside Near Perris. Comment
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Nov 17 2011
  UCR272194  Eriogonum gracile var. gracile Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8566 Riverside San Jacinto Mountains, Garner Valley, west side of the hwy, c. 3.75 air miles southeast of Lake Hemet 1370 Comment
  UCR278854  Eriogonum gracile var. gracile Mitch Provance 2012-7-14 712- 23 Riverside San Gorgonio Pass, Banning, remnant of Montgomery Creek, N side of Westward Ave, between Lovell St. and April Ln. 716 Comment
  POM153383  Eriogonum gracile var. incultum P. A. Munz, I. M. Johnston 1928-9-12 11250 Riverside Temescal Canyon. Comment
  RSA393474  Eriogonum molestum N. R. Zabriskie, Walter Zabriskie 1969-9-20 235 Riverside Forest Service road to Deer Springs Trail beyond end of road up west bank Strawberry Creek, above Fern Valley Corners, Idyllwild 1982 Comment
  UC519989  Eriogonum molestum Louis C. Wheeler 1931-10-2 178 Riverside Hemet-Idyllwild road San Jacinto Mts. 1371 Comment
  RSA783813  Eriogonum molestum var. davidsonii John Olmsted 1950-6-15 182 Riverside Hurkey Cr. into Hemet Lake and San Jacinto Rd. drainage area: Cedar Crest Rd. 1 mi E of Hurkey Cr. crossing (turn E 4 mi S of Mt. Center) 1372 Comment
  UC56366  Eriogonum nudum var. pauciflorum J. Vandeventer 1903-1 14 Riverside San Jacinto Mts. Comment
  UC849804  Eriogonum nudum var. pauciflorum I. W. Clokey, E. G. Anderson 1935-8-21 6590 Riverside Keen Camp P.O. 1425 Comment
  CAS-BOT-BC258051  Eriogonum plumatella Carl B. Wolf 1932-10-11 4283 Riverside Morongo Wash at the San Bernardino County line 762 Comment
  UCR4237  Eriogonum pusillum K. S. Gill 1965-4-17 s.n. Riverside Sonoran (Colorado) Desert, Whitewater Canyon 5 mi north of Hwy 60 610 Comment
  UCSB18461  Eriogonum pusillum Sonnenburg, D. 1963-5-5 Riverside State Highway 74; 5 miles N-NW from Pinyon-Flats Campground 731 Comment
  CAS-BOT-BC253023  Eriogonum reniforme John Thomas Howell 1931-6-5 6654 Riverside 1 mile east of Whitewater Comment
  JOTR35200  Eriogonum thomasii La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3256 Riverside Joshua Tree National Park. West Cottonwood Mountains; rocky bench between deep drainages in large southwest facing canyon feeding into east Pinkham Wash (Stop 3) Comment
  POM128742  Eriogonum thomasii F. W. Peirson 1927-4-12 7171 Riverside Painted Canyon. Comment
  RSA793413  Eriogonum thomasii Naomi Fraga, David Fraker, Tommy Stoughton 2012-3-15 3950 Riverside Off of Box Canyon Rd. S. of Shaver well in a wash. 229 Comment
  UCR104834  Eriogonum thomasii George K. Helmkamp 1998-4-4 3171 Riverside Sonoran (Colorado) Desert, 7.1 miles north of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station 305 Comment
  UCR148862  Eriogonum thomasii S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 20 Comment
  RSA0056351  Eriogonum thurberi Nancy Anderson 1955-5-19 s.n. Riverside Dead Indian Canyon. 304 Comment
  JOTR35360  Eriogonum trichopes Harding, Mitzi, M. Wheeler 2011-1-26 145 Riverside Joshua Tree National Park. Pinto Basin, where Chuckwalla Valley meets Pinto Wash, 0.5 mi west of Coxcomb Mountains, sandy burms above large wash (STOP2) 289 Comment
  UC412837  Eriogonum trichopes Geo. B. Grant May 1 1906-May 10 1906 444 -6719 Riverside Palm Springs Colorado Desert, Palm Springs Comment
  POM259129  Eriogonum umbellatum subsp. munzii P. A. Munz 1938-8-14 15377 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2287 Comment
  CAS-BOT-BC264932  Eriogonum wrightii var. membranaceum Dammers 1933-12-1 s.n. Riverside Gavilan Hills Comment
  CAS-BOT-BC261791  Eriogonum wrightii var. nodosum Philip A. Munz 1937-5-30 15126 Riverside Dos Palmos Spring, north base of Santa Rosa Mts. 1097 Comment
  RSA772058  Eriogonum wrightii var. nodosum Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4623 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SBBG64289  Eriogonum wrightii var. subscaposum R. Hoffmann 1929-9-8 Riverside San Jacinto Mtns 2133 Comment
  POM306146  Eriophyllum confertiflorum Henry J. Ramsey, Henry J. Ramsey 1937-5-30 1337 Riverside Santa Rosa Mountains. Comment
  POM357970  Eriophyllum confertiflorum Norman C. Cooper 1947-4-5 2115 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  UC31708 Image available Eriophyllum confertiflorum E. L. Koethen 1897-8-1 20 Riverside Riverside Comment
  UCR270745  Eriophyllum confertiflorum T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8359 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
  UCR34970  Eriophyllum confertiflorum L. B. Ziegler 1967-5-18 133 Riverside San Jacinto Valley, side canyon off lower Bautista Canyon 534 Comment
  RSA0041966  Eriophyllum confertiflorum Paul Shirokawa 1998-5-15 35 Riverside Cleveland National Forest: Trabuco Ranger District, 0.3 miles from Ortega Highway (State Highway 74) on North Main Divide Road. 807 Comment
  UCR251311  Eriophyllum multicaule T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2013-3-28 7424 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Murrieta Road and Scott Road 517 Comment
  POM294262  Eriophyllum wallacei Lyman Benson 1945-3-29 11642 Riverside 2 miles south of Whitewater. 366 Comment
  UC31774  Eriophyllum wallacei H. M. Hall 1899-6-23 1179 Riverside El Toro Mt. San Jacinto Mountains, Coyote Canyon, El Toro Mt. (in Coyote Canyon) 1524 Comment
  RSA612782  Erodium botrys D. L. Banks, Victor W. Steinmann 1997-3-13 1420 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
  UCSB69523  Erodium botrys White, Scott 2005-3-29 Riverside San Gorgonio Pass: Cabazon; Alluvial fan and benches west of San Gorgonio river and south of 1-10 Freeway; West of existing gravel quarry; likely to be proposed for quarry expansion 598 Comment
  RSA654616  Erodium cicutarium Lydia Paneri 1982-4-17 45 Riverside Hillside north of Cajalco road, 2 miles east of I-15. Comment
  RSA741425  Erodium cicutarium Justin M. Wood 2008-12-2 263 Riverside SW Perris Basin: City of Temecula, Murrieta Creek, downstream of 1st street bridge. 290 Comment
  UCR224993  Erodium cicutarium Dave Silverman, Cindy Hopkins, Jamison Miner 2008-3-31 7009 Riverside SE of Banning, old gravel pit/dump E of water treatment facility, along Smith Creek, 320 m S of East Westward Ave. 628 Comment
  UCR92611  Erodium cicutarium Scott D. White 1994-3-29 1942 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  RSA198975  Eryngium aristulatum var. parishii R. F. Thorne, E. Lathrop, P. A. Munz 1968-5-8 37572 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California 671 Comment
  UCR164929  Erysimum capitatum T. B. Salvato, John F. Green 2004-5-27 631 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
  RSA0020086  Erythranthe floribunda Scott D. White, Justin M. Wood 2008-6-19 12261 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. 1585 Comment
  RSA0018792  Erythranthe guttata F. W. Peirson 1917-4-1 1125 Riverside Andreas Canyon near Palm Springs. Comment
  RSA433691  Eschscholzia californica Clyde Stratton 1943-7-23 s.n. Riverside Riverside Comment
  CAS-BOT-BC83130  Eschscholzia minutiflora L. A. Greata 1901-1-1 423 Riverside Coachella. Comment
  RSA682859  Eschscholzia minutiflora Scott D. White 2003-3-23 8831 Riverside Desert slope; Hwy 74 near Carrizo Creek crossing. 610 Comment
  RSA0023200  Eschscholzia papastillii Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11272 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  UCD96503  Eschscholzia papastillii Shannon M. Still 2009-2-22 442 Riverside California. Riverside County: Joshua Tree National Park. ca. 2/3 way to Lost Palms Canyon on either side of Lost Palms Canyon Trail. 1049 Comment
  CAS-BOT-BC419635  Eschscholzia parishii James Henrickson 1963-3-29 1209 Riverside 12 miles East of Mecca, along Hy. 195 304 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
  GMDRC3744  Eschscholzia parishii J. Andre, T. La Doux 2009-3-1 11234 Riverside Little San Bernardino Mountains: Joshua Tree Natl. Park: south end of the Cottonwood Mtns near Pinkham Wash just N. of aquaduct just inside JTNP boundary, approx 7 mi. W. of S. entrance into park at Cottonwood. USGS 7.5 min. Quad: Cottonwood Basin 33 deg. 40.948' N 115 deg. 52.141' W. Elev. 1778 ft. 542 Comment
  JEPS24433  Eschscholzia parishii Peter M. Ray 1949-3-12 1362 a Riverside 2 mi w Whitewater (n side of Valley); Coachella Valley 457 Comment
  UCR216498  Eschscholzia parishii Jim Andre, T. La Doux 2009-3-10 11234 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
  UCR129060  Eucalyptus A. C. Sanders, Mitch Provance 2001-4-5 23920 Riverside Perris-Aguanga Basin region, Long Canyon, Temecula, between gas pipeline route and 'windmill,' south of BM 1221 366 Comment
  SBBG119971  Eucalyptus camaldulensis A. C. Sanders with O. F. Clarke 1991-6-10 11123 Riverside Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River; Riverside 238 Comment
  SDSU13534  Eucalyptus globulus W. Miller with C. Mosse Riverside Comment
  HSC78513  Eucrypta chrysanthemifolia Rodney Hendrick 1965-3-14 Riverside Box Canyon about 8 mi. E of Mecca 183 Comment
  UCR199741  Eucrypta chrysanthemifolia var. chrysanthemifolia Scott D. White, Jamie Minor 2008-3-13 11769 Riverside San Gorgonio Pass, Banning: south of Union Pacific RR, powerline route from Sunset Ave to 1 mile west 762 Comment
  RSA698221  Eulobus californicus J. R. Bruff 1928-4-2 86 Riverside Whitewater. Comment
  UCR201947  Euphorbia albomarginata Mike Misenhelter 2005-7-12 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, c. 3 miles E of Sun City, c. 2 mi. SW of Winchester, Hemet U. School Distr. proposed elementary school site, 14 acres on south side of Salt Creek and NE of the intersection of Leon and Patton Rds. 444 Comment
  CLARK-A1528-437  Euphorbia eriantha Olga Kersteiner 1964-5-17 Riverside Aguanga Comment
  UCR260828  Euphorbia eriantha A. C. Sanders, Jim Malusa 2015-3-10 41375 Riverside Sonoran (Colorado) Desert, north end of Chocolate Mountains, Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 610 Comment
  UCR120426  Euphorbia maculata Mitch Provance 1998-7-23 912 E Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 305 Comment
  UCD77526  Euphorbia micromera Robert E. Preston 1997-11-11 1060 Riverside east edge of Palo Verde Mesa. 99 Comment
  UCR130871  Euphorbia nutans A. C. Sanders, K. C. Rose 1999-5-28 22792 Riverside Coachella Valley, between La Quinta and Indio, along Jefferson St. between Ave 54 and I-10 18 Comment
  POM184158  Euphorbia polycarpa var. appendiculata M. French Gilman 1932-3-30 2 Riverside Palm Springs. Comment
  CAS-BOT-BC499162  Euphorbia setiloba A. C. Sanders; Jim Malusa 2015-9-10 41850 Riverside Sonoran (Colorado) Desert: Salt Creek Canyon, along Summit Road, c. 1.5 mi above mouth of Red Canyon, edge of Chocolate Mountains Aerial Gunnery Range 433 Comment
  SD152865  Euphorbia spathulata Steve Boyd, Tim Ross, Dave Bramlet 1993-5-12 7351 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos Canyon downstream to confluence with Tenaja Canyon (mak 1/06) 370 Comment
  CLARK-A1528-537  Eustoma exaltatum John C. Roos 1951-9-25 5259 Riverside Riverside 259 Comment
  POM130427  Eustoma exaltatum H. M. Hall 1896-8-21 11023 Riverside Santa Ana River, near Riverside Comment
  UCR265846  Euthamia occidentalis Mitch Provance 2013-4-8 413- 03 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  CAS-BOT-BC167374  Fagonia laevis Carl B. Wolf 1932-4-27 2998 Riverside Colorado Desert. 14 mi. E. of Mecca, on Blythe Road (E. of Shavers Well) 152 Comment
  RSA709875  Fagonia laevis Sarah J. De Groot, Leland Lubinsky, Naomi S. Fraga, Lisa Rojas 2005-2-10 4620 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  RSA77840  Fagonia laevis F. Brubaker, Margaret Slaton 1929-4-28 495 -54 Riverside Hidden Springs, Colorado Desert Comment
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Nov 11 2011
  UCR159769  Fagonia laevis Scott D. White 1999-4-20 7274 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
  SEINET3005077  Fagonia pachyacantha G. Rink 2011-5-1 10515 Riverside North side of the Chuckawalla Mountains near Chuckawalla Spring 505 Comment
  UCR158269  Festuca microstachys A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-4-14 29493 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
  UCR213574  Festuca microstachys A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37816 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi. NW (356 deg. ) of intersection of I-15 and Lake St. 549 Comment
  UCR214150  Festuca microstachys A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37714 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, 0.45 mi NNE (14 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 418 Comment
  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
  UCR144079  Festuca myuros Scott D. White 1993-3-3 1103 Riverside Perris Basin, Romoland/Winchester area 442 Comment
  UCR2409  Festuca myuros F. M. Reed 1926-6-14 59 Riverside San Jacinto Mtns., Banning Road near Point View [=Vista Grande?], west of Idyllwild 1768 Comment
  UCR104930  Festuca octoflora A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20640 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
  UCR22152  Festuca octoflora Steve Boyd 1980-5-11 226 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
  RSA543851  Filago arizonica Steve Boyd, Orlando Mistretta 1991-5-22 6313 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  UCR116903  Filago californica A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23971 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  UCR167298  Filago californica Scott D. White, Jennifer H. Jones 2005-5-24 11096 Riverside Banning Pass area, Cabazon: San Gorgonio River wash and adjacent alluvial flats and benches to W 610 Comment
  UCR41225  Filago californica N. M. Fellows, A. C. Sanders 1985-4-9 124 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  RSA395866  Filago depressa Steven A. Junak 1983-3-23 1620 Riverside Along Jefferson Road, across from entrance to Cahuilla Lake County Park, south of Indio 0 Comment
  SEINET3082771 Image available Filago depressa O. F. Clarke 1973-4-1 Riverside Sonoran Desert, alluvial fan at S entrance to Joshua Tree National Monument, below Cottonwood Springs. Comment
  RSA339318  Filago gallica R. F. Thorne, C. W. Tilforth 1980-5-28 54199 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
  UCR106886  Filago gallica A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke 1997-5-4 20661 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
  SEINET11979961  Fouquieria splendens Unknown 1936-1 12826 Riverside Foothills of San Jacinto Mts. S of Palm Springs Comment
  RSA796753  Fouquieria splendens subsp. splendens Jim Andre 2012-4-11 20844 Riverside Orocopia Mountains: north end of range, along dirt road 2.8 mi due south of I-10 at Box Canyon Rd/Cottonwood Rd Exit. 624 Comment
  CAS-BOT-BC211660  Frankenia salina S. B. Parish 1897-5-31 4396 Riverside Elsinore Comment
  UCR114195  Frankenia salina A. C. Sanders, D. Malueg, K. D. Jones, et al 2000-9-8 23638 Riverside Perris-Aguanga Basin Region, French Valley, gasline right of way just south of Los Alamos/Thompson Rd. on the east side of Briggs Rd., c. 0.5 km NE of Adobe Spring 409 Comment
  UCR275584  Frankenia salina T. B. Salvato 2005-6-13 605- 10 Riverside Peninsular Range; Temescal Valley, c. 1.5 mi N of Lake Elsinore at Nichols Road, between the intersection of Pierce and Baker Streets and Alberhill Creek, S of Hwy I-15 390 Comment
  SEINET156544  Frasera parryi Norman C. Cooper 1944-7-15 1583 Riverside Palms to Pines Hwy. 1280 Comment
  UCR5585  Fraxinus pennsylvanica subsp. velutina O. F. Clarke 1966-10-5 661005- 40 Riverside Peninsular Range; Santa Rosa Mtns., Santa Rosa Mountain Rd., first wooded canyon -- near University of California, Deep Canyon Desert Research Center 1829 Comment
  UCR13755  Fraxinus velutina var. coriacea N. R. Zabriskie, W. W. Zabriskie 1972-5-22 544 Riverside Santa Rosa Mtns., Cactus Spring Trail crossing of Horsethief Creek, tributary to Deep Canyon, N slope Santa Rosa Mts. 1098 Comment
  UC1537226  Fritillaria biflora Gordon H. True Jr. 1935-4-5 219 Riverside Gavilan Hills 609 Comment
  JOTR35003  Funastrum hirtellum La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3105 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road Comment
  SJSU11074  Funastrum hirtellum R. C. McGhee 1970-5-1 257 Riverside Chuckwalla Rd 1 mi W of Chuckwalla Spring, Chuckwalla Mts Comment
  JEPS52915  Galium Lauramay T. Dempster and G. L. Stebbins 1966-6-17 4237 Riverside Chimney Flat (old control) road below Alvin Meadows Comment
  RSA282792  Galium andrewsii subsp. andrewsii C. W. Tilforth, B. Busenberg 1980-6-10 1983 Riverside Along Thomas Mtn. Rd., west of Hwy 74 andGrown in Botanic Garden from seed collected Aug. 21,1952, by P.A.Munz and E.K.Balls, 1 mi. w. of Fuller Mill Creek, Banning-Idyllwild. south of Lake Hemet. Comment
  CLARK-A1528-3946  Galium angustifolium Charles S. Papp 1964-6-6 511 Riverside Cleveland National Forest 853 Comment
  RSA271436  Galium angustifolium subsp. angustifolium C. W. Tilforth 1978-4-30 1573 Riverside Low rounded hills east of Norco. Comment
  RSA0103090  Galium angustifolium subsp. gracillimum Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8550 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  UCR3841  Galium angustifolium subsp. jacinticum John Minnich 1964-6-11 64-6-11- 5 Riverside San Jacinto Mtns, Hwy 74, desert side of mountains [Pinyon Flats area] 1220 Comment
  JOTR34087  Galium munzii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2935 Riverside Joshua Tree National Park. Little San Bernardino Mountains: North side of Quail Mountain; steep bouldery slopes between drainages Comment
  POM337417  Galium stellatum F. R. Fosberg 1930-5-17 S 2642 Riverside Head of Deep Canyon. Comment
  UCSB45609  Galium stellatum Roos, John 1949-4-6 Riverside Canyon in the Orocopia Mtns. 2 1/2 miles N.E. of Dos Palmas Spring 182 Comment
  UCR90806  Gamochaeta pensylvanica A. C. Sanders, G. K. Helmkamp 1996-3-17 17996 Riverside Coachella Valley, Cathedral City, Cathedral Plaza, Hwy 111 at Date Palm Dr. 91 Comment
  UCR275313  Garrya flavescens J. Dansie 2016-5-25 41 Riverside San Bernardino Mtns., Cherry Valley, off Edgar Canyon Road 1215 Comment
  RSA391431  Garrya veatchii S. B. Parish 1918-4-3 11697 Riverside Oak Ledge [Oak Cliffs], mouth of San Jacinto Canyon Comment
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Nov 20 2011
  SEINET10453492  Garrya veatchii James S. Miller 1992-5-8 Miller 7464 Riverside 5.5 mi E of the W boundary of San Bernadino National Forest on California route 74. 950 Comment
  RSA797255  Gayophytum Robert F. Thorne, Walter Wisura 1977-9-17 50793 Riverside San Jacinto Mountain: slopes of peak 3171 Comment
  POM355383  Gayophytum diffusum subsp. parviflorum E. A. McGregor 1964-9-15 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  RSA633319  Gayophytum diffusum subsp. parviflorum Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38085 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  POM47485  Geraea canescens Mary F. Spencer 1920-3-11 1482 Riverside In desert sand, Mecca -60 Comment
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Nov 8 2011
  RSA719040  Geraea canescens Michael Honer 2005-3-11 2060 Riverside Rice Valley; 4.5 mi. SSE of Rice; 1.5 mi. E of ATSF railway. 220 Comment
  SBBG32350  Geraea canescens L. S. Rose 1967-12-20 67183 Riverside ca. 6 mi SE of Thousand Palms 15 Comment
  UC1118441  Geraea canescens H. S. Yates 1936-4-7 5440 Riverside 2 1/2 mi s Willis Palms; Thermal Quadrangle Comment
  UC170153  Geraea canescens E. E. Schellenger 1894-12-5 89 Riverside Eherenberg Road near Red Canon; Colorado Desert Comment
  UCR148857  Geraea canescens S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 20 Comment
  SEINET9118669  Geraea canescens E. Adams 1978-1 S.N. Riverside Mecca, Box Canyon. Desert wash. Comment
  CAS-BOT-BC225253  Gilia J. Vale 1980-4-12 s.n. Riverside Near Aguanga, on Highway 79 Comment
  UCR118391  Gilia A. C. Sanders 1994-5-29 14583 Riverside Morongo Indian Reservation, along Fields Road in front of the Malki Museum, north of Morongo Road. 725 Comment
  UC1178638  Gilia angelensis Peter Kamb 1948-5-2 929 Riverside above Banning (n slope of the San Jacinto Mts.); San Jacinto Mts. 1066 Comment
  UC880109  Gilia angelensis P. A. Munz and I. M. Johnston 1922-5-19 5350 Riverside 5 mi ne Murietta; ne of Murietta 457 Comment
  UCR116976  Gilia angelensis A. C. Sanders, T. B. Salvato 2001-5-3 24087 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  SEINET7072837  Gilia diegensis A. G. Vestal 1963-5-19 s.n. Riverside About 0.5 mile west of Cahuilla. Coordinate datum: WGS84/NAD83. (33? deg. 32' 25" North Latitude, -116? deg. 45' 8" West Longitude, Coordinate datum: NAD27.). Comment
  UCR154456  Gilia ochroleuca Jason L. Hlebakos 2005-5-30 805 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  UCR91005  Gilia ochroleuca A. C. Sanders, E. J. Lawlor, C. L. Sanders 1996-4-21 18069 Riverside S slope of San Bernardino Mtns, Morongo Indian Reservation, grounds of the Malki Museum, NE of Banning. 732 Comment
  RSA0017272  Gilia ochroleuca subsp. exilis F. W. Peirson 1919-4-15 921 Riverside Whitewater Grade above Cabazon, San Gorgonio Pass. Comment
  SBBG5862  Gilia ochroleuca subsp. exilis C. H. Muller 1952-4-5 9491 Riverside White Water Cyn, 1 mi above Whitewater Comment
  UC1595628  Gilia ochroleuca subsp. exilis Steve Boyd and Dave Bramlet 1991-5-13 6254 Riverside ese Winchester (n side of Domenigoni-Diamond Valleys, ridge top of s-end Warren Rd.); Domenigoni Hills, n side Domenigoni-Diamond Valleys 548 Comment
  UCR59748  Gilia ochroleuca subsp. exilis Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3085 Riverside Vail Lake area, S of Hwy 79, Kolb Creek drainage, west of Woodchuck Rd. 512 Comment
  JEPS61581  Gilia stellata Marjorie D. Clary 1932-3-2 1623 Riverside 8 mi sw Coachella (w of Coral Reef Ranch); Colorado Desert, sw of Coachella 91 Comment
  RSA469732  Gilia stellata M. B. Dunkle 1933-3-4 3066 Riverside Painted Canyon, Colorado Desert. 30 Comment
  SD38838  Gilia stellata Edith A. Purer 1935-4-21 6485 Riverside Western edge of Colorado Desert. Comment
  SEINET238478 Image available Glinus lotoides A. C. Sanders, Mitch Provance 1999-1 23111 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake 1.4 mi. SE of Jackrabbit Trail on Gillman Springs Rd. 1.4 mi. S of Eden 433 Comment
  UCR24914  Glyceria elata A. C. Sanders 1980-8-23 1767 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  UC63393  Glycyrrhiza lepidota H. M. Hall 1904-5-26 4967 Riverside West Riverside 213 Comment
  UCR266906  Glycyrrhiza lepidota D. E. Bramlet 2005-5-24 3861 Riverside Perris-Aguanga Basin Region, Warm Springs Creek, west of I-15, between Golden Gate Circle and Nick Lane 323 Comment
  UCR21161  Gnaphalium californicum Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  RSA543828  Gnaphalium stramineum Steve Boyd, Orlando Mistretta 1991-5-22 6297 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 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
  UC494550  Guillenia lasiophylla Philip A. Munz 1932-3-13 11980 Riverside Deep Canyon Coachella Valley 91 Comment
  POM359189  Gutierrezia californica H. de Forest, Jack Rempel 1933-10-29 18654 Riverside Snow Creek Canyon. 655 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
  JEPS18981  Gutierrezia sarothrae A. E. Wieslander 1929-1-25 Riverside mouth of Bautista Creek; San Jacinto Mts., Bautista Creek 304 Comment
  SD260183  Gutierrezia sarothrae T. B. Salvato, Arlee Montalvo 2015-8-22 8232 Riverside San Jacinto Mountains: Apple Canyon Road, 1.35 air miles northeast of its junction with Hwy 74. 1402 Comment
  UCD132603  Gutierrezia sarothrae K. Esau 1935-6-20 s.n. Riverside Beaumont Grade. Comment
  SEINET2052364 Image available Gutierrezia serotina D. Gordon 1952-2-27 Riverside University of California, Riverside campus 396 Comment
  UCR237476  Haplopappus acradenius Duncan S. Bell, Amber Swanson 2011-2-18 2041 Riverside Mojave Desert, Coachella Valey area, Edom Hill, along Edom Hill Road near dump, 0.6 road mi from junction with Varner Road 259 Comment
  HSC93287  Harpagonella palmeri Karen Kirtland 1993-4-17 Riverside N of Temecula Comment
  UCR230058  Harpagonella palmeri Tara Schoenwetter 2011-5-27 s.n. Riverside Peninsular Range, Alberhill, off Lake St. at Alberhill Mountain, N of Coal Ave./Nichols Rd. extension 429 Comment
  RSA0066625  Harpagonella palmeri Steve Boyd 1986-3-9 1399 Riverside Temescal Canyon: Terrace escarpments between Indian Truck Trail and Horsethief Wash. 367 Comment
  SD152935  Hazardia squarrosa var. grindelioides Steve Boyd, Tim Ross, Dave Bramlet 1992-9-9 7667 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek, up the San Mateo Trails north to Potrero de la Cienaga 395 Comment
  SDSU13561  Hazardia squarrosa var. grindelioides W. Miller with C. Mosse 1972-7-12 Riverside R.R. bed 50 yards west of erosion area. Comment
  GMDRC6565  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 1309 Comment
  POM212947  Helianthemum scoparium var. aldersonii P. A. Munz 1941-5-18 16660 Riverside North end of Santa Rosa Ranch, Elsinore Mts. 854 Comment
  RSA511060  Helianthemum scoparium var. scoparium Ed LaRue 1989-6-14 s.n. Riverside E edge of Plateau overlooking town of Murrieta; ca 1.25 mi W of town and ca 1 mi (airline) E of De Luz Road 549 Comment
  UCR18946  Helianthemum scoparium var. vulgare John C. Roos 1950-4-29 4774 Riverside Hills 1 mi NE of summit of Reche Canyon 823 Comment
  UCR103728  Helianthus annuus A. C. Sanders 1997-3-19 20036 Riverside Lake Skinner area, S foot of Bachelor Mtn., across the northern arm of the lake from the boat ramp, from dirt track down to lakeshore 457 Comment
  UCR1412  Helianthus gracilentus Frank C. Vasek 1958-5-9 580509- 06 Riverside San Bernardino Valley Region, Reche Canyon 549 Comment
  RSA450746  Helianthus niveus subsp. canescens J. C. Roos 1962-4-3 s.n. Riverside Palm Springs Airport. 121 Comment
  UC218032  Heliotropium curassavicum P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4880 Riverside vicinity of Corn Springs; Colorado Desert, Chuckwalla Mts. 457 Comment
  UCSB39110  Heliotropium curassavicum Jorgensen, Jan 1982-3-23 Riverside Desert Beach along Highway 111, Salton Sea -70 Comment
  UCR121682  Hemizonia fasciculata Ian G. Gillespie, Abby Sirulnik 2000-5-7 32 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
  UCR136201  Hemizonia fasciculata A. C. Sanders 2004-6-20 28221 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., hilltop above I-15, SW of main clay pits 378 Comment
  UCR180044  Hemizonia kelloggii Mitch Provance 2005-5-18 9811 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  UCR211873  Hemizonia mohavensis Valerie Soza, Steve Boyd, Neil Gilbert 2000-12-6 1067 B Riverside Peninsular Range; San jacinto Mountains, McCall Memorial Park Campground 1372 Comment
  UCR82815  Hemizonia mohavensis A. C. Sanders, T. Schram, D. Wappler 1994-10-4 15772 Riverside San Jacinto Mountains, N slope of the mountains; Brown Creek drainage 0.3-0.5 mi. above confluence with Twin Pines Cr. 915 Comment
  UCR88422  Hemizonia mohavensis Jeri Hirshberg 1995-9-13 s.n. Riverside San Jacianto Mtns., drainage crossing Twin Pines Ranch Road, c. 1/2 mi NW of Twin Pines Ranch Boundary, c. 1/4 mi NW of Hill 3831 1098 Comment
  IRVC29264  Hemizonia paniculata A. C. Sanders, Kelly Volansky 2003-10-16 27335 Riverside lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. Moreno Valley 534 Comment
  UCR116588  Hemizonia paniculata A. C. Sanders, T. B. Salvato 2001-5-24 24365 Riverside Perris-Aguanga Basin, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. [Calle] Pina Colada 345 Comment
  UCR220307  Hemizonia paniculata Bill Wagner 2005-10-7 s.n. Riverside Peninsular Range; Gavilan Hills Region, Cajalco Flood Control Basin site (proposed, since constructed), at NE corner of El Sobrante Rd. and Cajalco Rd. 447 Comment
  UCR235055  Hemizonia paniculata A. C. Sanders, John F. Green 2012-5-27 40201 Riverside Peninsular Range; Perris-Aguanga Basin Region, powerline route between housing tracts, west of Goetz Rd and east of San Jacinto River, S of Ethanac Rd. 448 Comment
  UCR96274  Hemizonia pungens Kathleen Stockwell 1996-6-5 s.n. Riverside Warm Springs Creek, near Murrieta. Near I-15; erosion gullies on E side of creek 328 Comment
  UCR40448  Hemizonia pungens subsp. laevis Steve Boyd 1985-8-7 1114 Riverside Santa Rosa Plateau, Murrieta area, Clinton Keith Rd. near (just east of) Bear Creek golf course Comment
  SEINET5866979 Image available Hesperoyucca whipplei var. whipplei Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28525 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 1236 Comment
  RSA583618  Heterocodon rariflorum Steve Boyd, Darin L. Banks 1995-3-30 8414 Riverside Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the western edge of the Dripping Springs Alcove in tributary of Kolb Creek just east of the old Woodchuck Truck Trail road grade, just south of the Wilderness boundary. 640 Comment
  UCR270177  Heteromeles arbutifolia A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42400 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  UC1211966  Heterotheca grandiflora Otto T. Solbrig 1958-8-18 2757 Riverside junction of Highway 71 and Highway 395 (on road to Palomar) Comment
  POM307339  Hibiscus denudatus Henry J. Ramsey, Henry J. Ramsey 1939-11-28 2200 Riverside Indio-(20 mi. east) Comment
  UC63099  Hieracium horridum H. M. Hall 1897-8-11 814 Riverside Surprise Lake San Jacinto Mountains, Surprise Lake 2438 Comment
  SDSU254  Hilaria rigida A. H. Gallup 1949-3-28 375 Riverside In sandy wash near Palms to Pines Hwy. San Jacinto Mtn. Range. Slope: east. 762 Comment
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Jan 24 2013
  SEINET4145699 Image available Hilaria rigida J. M. Andre 2013-3-27 24809 Riverside Rice Valley; E side of Arica Mountains, along Rice-Midland Rd., 2.2 mi. S of Rice 242 Comment
  CAS-BOT-BC207507  Hoffmannseggia glauca Roxana S. Ferris 1918-6-19 1011 Riverside Blythe, Palo Verde Valley Comment
  RSA605672  Hoffmannseggia glauca R. S. Woglum 1941-4-10 2936 Riverside Sonoran Desert: Blythe. Comment
  UC68503  Hoffmannseggia glauca E. E. Schellenger 1905-4-18 Riverside Palo Verde Valley; Colorado Desert Comment
  RSA0080315  Hoffmannseggia microphylla Sarah J. De Groot, Duncan S. Bell, Cheryl Sevilla 2015-2-10 7359 Riverside Bear Creek drainage, east fork; east side of Santa Rosa Mountains, south of La Quinta, west of Lake Cahuilla. 195 Comment
  OBI37476  Hoita macrostachya Steve Boyd 1985-7-30 1049 Riverside De Luz Rd, 10.4 mi W of Rancho Calif; t point where E branch of De Luz Crk first crosses rd 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
  RSA0036702  Hordeum R. F. Thorne 1973-5-23 43873 Riverside SANTA ROSA PLATEAU: Mesa de Colorado 610 Comment
  UCR85535  Hordeum depressum A. C. Sanders 1993-4-5 13697 Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74 460 Comment
  CAS-BOT-BC273468  Hordeum intercedens D. Bramlet 1996-4-22 2459 Riverside San Jacinto Wildlife Area, Lovell Unit. The site is approximately 198m east of Davis Road and 183m north of the San Jacinto River. This locality was some 46m south of the existing access road 432 Comment
  RSA595137  Hordeum intercedens Steve Boyd, Dave Bramlet 1996-4-19 8591 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  UCR114962  Hordeum intercedens Fred M. Roberts 1992-4-25 4876 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
  UCR174461  Hordeum intercedens A. C. Sanders, John F. Green 2006-5-18 32378 Riverside Peninsular Range, French Valley, Briggs Road, stream crossing just south of Los Alamos Road, upstream of Adobe Spring and west of Hwy 79 409 Comment
  RSA515341  Hordeum marinum subsp. gussoneanum Jeri Hirshberg 1989-5-3 s.n. Riverside Santa Rosa Plateau; S of town of Murrieta, on W side of Mesa de Burro., (Near 33 deg 31'N, 117 deg 14'W). 549 Comment
  RSA519005  Hordeum murinum subsp. leporinum O. F. Clarke 1973-3-21 s.n. Riverside 1012 Spruce Street, Riverside Comment
  RSA6010  Horkelia clevelandii Carl B. Wolf 1932-8-4 3927 Riverside Strawberry Valley, 1.5 miles froStrawberry Valley.m Idyllwild on road to Banning 1707 Comment
  RSA0018952  Horkelia clevelandii Robert F. Thorne, Walter Wisura 1977-9-17 50775 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  UCR37729  Hornungia procumbens A. C. Sanders 1985-3-7 5403 Riverside San Jacinto Valley, salt scald in barley fields c. 1/4 mi south of the intersection of Bridge St. and Gilman Springs Rd. 457 Comment
  RSA5897  Hulsea vestita subsp. callicarpha C. B. Wolf 1932-8-5 3970 Riverside Along Trail from Tahquitz Valley to San Jacinto Peak, above the small stream and wet meadow feeding Tahquitz Creek. 2895 Comment
  SD51949  Hulsea vestita subsp. callicarpha Reid Moran 1962-7-7 9870 Riverside Strawberry Creek, 2 miles southwest of Idyllwild, San Jacinto Mountains 1550 Comment
  UC1483322  Hulsea vestita subsp. callicarpha C. W. Tilforth and W. Wisura 1979-10-11 1922 Riverside 10.4 mi from n junction with Highway 74. s of Lake Hemet; Thomas Mtn. Road Comment
  UCSB26737  Hulsea vestita subsp. callicarpha Wilken, Dieter 1969-6-30 Riverside Riverside County Road R1, at junction of Dark canyon Road, 5 miles northeast of Idyllwild, San Jacinto Mtns. 1524 Comment
  SD90463  Hydrocotyle ranunculoides Robert F. Thorne, E. Lathrop 1969-6-6 39347 Riverside Santa Rosa Plateau, Rancho California. 609 Comment
  UCR83548  Hydrocotyle umbellata A. C. Sanders, P. MacKay, L. & P. Lubinsky 1994-10-30 15855 Riverside San Bernardino Mtns., Whitewater Canyon near Stills Landing 1040 Comment
  RSA93950  Hymenoclea salsola Margaret Stason, F. Brubaker 1928-3-3 7697 Riverside Hidden Spring Canyon near Mecca. Comment
  POM13383  Hymenolobus procumbens E. C. Jaeger 1921-4-5 124 Riverside Murray Canyon. Comment
  UC570561  Hymenoxys odorata Frank W. Peirson 1935-4-17 11468 Riverside 20 mi s Blythe Comment
  RSA80643  Hypericum androsaemum E. C. Jaeger 1921-6-11 5451 Riverside Idyllwild Comment
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Nov 5 2011
  UCD110394  Hypericum perforatum subsp. perforatum Robert F. Thorne; Steve Boyd and Earl Lathrop 1985-7-18 61167 Riverside Santa Rosa Plateau: Along upper Clinton Keith Road. 487 Comment
  POM361216  Hypochaeris glabra J. D. Olmsted 1962-5-10 3649 Riverside Crest between Sandia Creek and DeLuz Creek drainages. 259 Comment
  UCR241191  Hypochaeris glabra T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 371 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  RSA19548  Hyptis emoryi Roxana S. Ferris, Ruth P. Rossbach 1938-5-16 9570 Riverside Mecca Hills 2 miles up Painted Canyon. Comment
  RSA420172  Hyptis emoryi M. B. Dunkle 1933-3-4 3059 Riverside Painted Canyon. Colorado Desert. 30 Comment
  SEINET4133991  Hyptis emoryi J. W. Clokey 1935-4-17 6866 Riverside Shafer Mills.; 0 Comment
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Jul 16 2015
  UC65007  Hyptis emoryi E. E. Schellenger 25 Riverside Chucawalla Wells; Colorado Desert, Chucawalla Wells Comment
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Jan 23 2012
  UC68705  Hyptis emoryi H. M. Hall Apr. 1905 5814 Riverside 10 mi w Coachella; Colorado Desert, w of Coachella 91 Comment
  UCD124919  Hyptis emoryi Geoffrey Levin 1975-4-5 469 Riverside 1 mile west of Berdoo Canyon Road on Dillon Road. Foothills of Little San Bernadino Mountains. 60 Comment
  UCSB5691  Hyptis emoryi Krogen, Roger 1957-1 Riverside Canyon bottom 7 mi. E of Mecca on HWY 195 in Box Canyon Wash Comment
  RSA48869  Imperata brevifolia J. C. Roos 1949-9-17 4655 Riverside 1 mile west of Whitewater Bridge along Hwy 99 396 Comment
  JEPS30089  Isocoma acradenia var. eremophila Lewis S. Rose 1961-11-23 61062 Riverside La Quinta 15 Comment
  SBBG81101  Isocoma menziesii S. Cantrell, W. Appleby 1985-9-19 Riverside Santa Ana River Regional Park, S side of river 207 Comment
  UCR97240  Isocoma menziesii var. vernonioides Scott D. White 1997-2-9 4682 Riverside Peninsular Range, Elsinore Basin; Temescal Valley: SW of Hwy I-15 between Indian Truck Trail and Lake Street exits, c. 0.5 mi east of Glen Eden 460 Comment
  UCSB52655  Isoetes howellii Thorne, Robert; Thorne, M.; Wisura, Walter 1978-5-21 Riverside Santa Rosa Plateau: Mesa de Colorado. 609 Comment
  CSUSB955  Isomeris arborea Linda Stangor 1974-5-16 Riverside Along highway 60, 6 miles northwest of Palm Springs 152 Comment
  RSA0005613  Ivesia callida Robert Kessler 1921-9-1 s.n. Riverside Summit of Tahquitz. 2439 Comment
  SD136755  Jepsonia parryi Steve Boyd 1994-10-14 8400 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of Cleveland National Forest. San Mateo Cyn, along San Mateo Trail between N branch of Tenaja Trail and Fisherman's Camp. aong trail on mossy banks in understory of chaparral 427 Comment
  RSA0011156  Juglans A. C. Sanders, T. B. Salvato 2003-5-21 26783 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
  UCR277766  Juglans californica Mitch Provance 2012-7-15 612- 65 Riverside Beaumont Plateau, W end of Banning, 'Pershing Channel', N side W Ramsey St., W side of Omar St. 768 Comment
  UCR189781  Juglans californica var. californica Theresa Johnson 2007-10-9 402 Riverside Peninsular Ranges, Perris-Aguanga basin, Estelle Mountain 498 Comment
  UCR264609  Juncus Mitch Provance 2012-11-9 1112- 4 Riverside Colorado Desert, Whitewater, near corner of Whitewater cutoff Rd. and Painted Hills Rd., about 0.1 miles N of Interstate 10 405 Comment
  UC63439  Juncus ambiguus H. M. Hall 1904-5-19 4954 Riverside vicinity Riverside; , Fremont Park 243 Comment
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Sep 5 2011
  RSA567472  Juncus balticus subsp. ater Scott D. White 1993-5-29 1484 Riverside San Bernardino Mountains: Banning Canyon and Big Oaks Canyon along the road to Raywood Flat, Yucaipa Ridge. 1220 Comment
  CLARK-A1528-18  Juncus bufonius C. M. Flanagan 1973-5-22 OO 901 Riverside Santa Ana River Comment
  UCR174360  Juncus bufonius A. C. Sanders 2006-5-19 32403 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
  UCR163044  Juncus dubius D. L. Koutnik, Ian Swift 1999-6-19 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, proposed conservation bank in Wilson Creek watershed, north of Aguanga, west of Cahuilla Rd., south of Wilson Valley Rd., east of Sage Rd. 671 Comment
  UCR178157  Juncus dubius John F. Green, M. D. Wilcox 2003-7-15 s.n. Riverside San Jacinto Mtns., on powerline trail, picnic area at Juan Diego Flats, NW of Cahuilla Mountain 1220 Comment
  RSA268209  Juncus effusus subsp. austrocalifornicus M. B. Dunkle 1933-7-21 3722 Riverside Idyllwild 1616 Comment
  SBBG47529  Juncus macrophyllus M. B. Dunkle 1933-7-19 3667 Riverside Strawberry Valley 1706 Comment
  SBBG57289  Juncus macrophyllus R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns 1828 Comment
  RSA774066  Juncus mexicanus Duncan S. Bell, Jeffrey Morawetz, Kathleen Ashbaker 2010-6-28 1435 Riverside San Bernardino National Forest: Garner Valley, approximately 2.8 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 1374 Comment
  UC1601796  Juncus mexicanus H. M. Hall Jul 1901 2249 Riverside Fuller's Mills San Jacinto Mountains 1767 Comment
  RSA781383  Juncus oxymeris A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35623 Riverside May Valley c. 1.0 mi. WSW of Fleming Ranch, along nameless tributary of Herkey Creek 1585 Comment
  UCR193494  Juncus oxymeris A. C. Sanders, Tim Thomas 2008-6-20 35542 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  JEPS63873  Juncus textilis unknown Riverside Coahuilla Valley region Coahuilla Valley Comment
  RSA500121  Juncus xiphioides Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3690 Riverside Vail Lake area, benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  UCR116009  Juncus xiphioides A. C. Sanders, D. Bramlet, E. J. Lawlor, C. L. Sanders 2000-1-16 23302 Riverside Shipley-Skinner Reserve, Tucalota Creek at horse trail crossing east of Lake Skinner 457 Comment
  JOTR34043  Juniperus californica La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2944 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; above trail to Lost Horse Mine on basalt outcrop with scree slopes Comment
  UC1212184  Juniperus californica H. E. and S. T. Parks 1940-2-1 24176 Riverside Palms to Pines Hwy Santa Rosa Canyon 1066 Comment
  UC813449  Juniperus californica Lewis S. Rose 1936-12-24 36810 Riverside Palms to Pines Hwy 24 mi sw Indio; San Jacinto Mts. 1066 Comment
  CAS-BOT-BC234577  Justicia californica David Dreyer 1967-3-18 s.n. Riverside Unspecified 152 Comment
  RSA777824  Justicia californica Jim Andre, G. L. Clifton 2011-2-22 17456 Riverside Mecca Hills; along Box Canyon Road, 10.3 miles NE of town of Mecca. 219 Comment
  SEINET10437711 Image available Justicia californica J. R. Haller 1960-4-2 1552 Riverside North side of US Highway 60-70, 1.7 miles west of the south entrance road to Joshua Tree National Monument, about 22 miles east of Indio 488 Comment
  UCR50575  Justicia californica B. G. Pitzer 1988-3-10 640 Riverside Sonoran (Colorado) Desert, west side Chuckwalla Mountains, on gas line road c. 1.5 mi north of intersection with Red Cloud Mine Road (& wash); c. 2 mi. airline south of Hwy I-10 489 Comment
  SEINET10972716  Justicia californica Rose 1935-12-19 Rose 35669 Riverside Palm Springs, desert wash. 138 Comment
  CAS-BOT-BC540741  Kallstroemia californica Sarah J. De Groot; Amy Rouillard 2015-9-15 7572 Riverside Ford Dry Lake, Chuckwalla Valley, N of I-10 106 Comment
  UCR242299  Kallstroemia californica A. C. Sanders, T. B. Salvato 2012-10-12 40425 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Wileys Well Rd. c. 3 miles north of Wileys Well/ Bradshaw Trail 155 Comment
  JEPS23552  Keckiella antirrhinoides Peter H. Raven 1958-5-17 12934 Riverside 3.4 mi se Banning (on road to Idyllwild); San Jacinto Mountains Comment
  RSA293254  Keckiella antirrhinoides D. C. Michener 1980-6-11 3669 Riverside Bautista Canyon. Lower Bautista Cyn road [5S14] ca 5.3 mi. southeast of jct to CA 74 near canyon mouth. 800 Comment
  RSA660928  Keckiella antirrhinoides Mitch Provance 1998-5-29 559 Riverside NW side of North Hill, along the S edge of Lake Evans. 274 Comment
  CAS-BOT-BC236727  Keckiella antirrhinoides subsp. microphylla Annie M. Alexander; Louise Kellogg 1941-5-21 2215 Riverside North base of Eagle Mountains, Colorado Desert 1158 Comment
  LA209340  Keckiella antirrhinoides subsp. microphylla Michael Neuman; 1984-3-25 34 Riverside Palms to Pines Highway, Sugarloaf Mountain S of Palm Desert 1300.0 Comment
  LA209286  Keckiella antirrhinoides var. antirrhinoides J. Sauer; R. Minnich 1977-4-7 5960 Riverside N Fork of San Jacinto Canyon near Hemet 609 Comment
  SDSU21839  Keckiella antirrhinoides var. antirrhinoides Kalee Koeslag, Allen Schellerup 2016-4-16 7 Riverside Santa Margarita Ecological Reserve, in Stone Creek woodland old road off of Red Mountian Truck Trail 212 Comment
  CAS-BOT-BC246201  Keckiella rothrockii Ralph Hoffmann 1929-9-6 s.n. Riverside Near Tahquitz Pk., San Jacinto Mts. Comment
  CAS-BOT-BC246204  Keckiella rothrockii H. M. Hall 1901-6-1 2588 Riverside Tahquitz Valley, San Jacinto Mts. 2499 Comment
  UCR91306  Kochia scoparia Chet McGaugh 1996-4-26 s.n. Riverside San Jacinto Valley, Hemet, 0.25 mi west of State St., between Esplanade and Cottowood 465 Comment
  UCR182441  Koeleria gerardi Mitch Provance 2001-3-11 4630 Riverside San Bernardino Valley, Sunnyslope, Armstrong Rd. c. 0.5 miles south of the Riverside/San Bernardino Co. line 305 Comment
  SD2346  Krameria bicolor unknown Riverside Palm Springs Comment
  CAS-BOT-BC43708  Krameria erecta Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9560 Riverside 1 mile below Cottonwood Springs. Comment
  JOTR30063  Krameria erecta La Doux, Tasha, Mike Bell, Katy Mathews, Alice Miller, Amber Holt 2007-5-23 1694 Riverside Joshua Tree National Park. Stop #2 = Near Geology Tour rd., N of Malapai Hill 1286 Comment
  CSUSB1161  Krameria grayi A. R. Gillogly 1966-5-7 Riverside One mile north of elementary school, 0.5 mile west on dirt road; Joshua Tree. 853 Comment
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Apr 21 2013
  RSA180492  Lagophylla ramosissima E. W. Lathrop 1960-5-27 5233 Riverside 6 miles west of Murrieta. Comment
  UC1108982  Lamarckia aurea H. E. and S. T. Parks March, 1947 Riverside Santa Rosa Canyon near Indio; Santa Rosa Canyon Comment
  UCR2509  Lamarckia aurea F. M. Reed 1904-1-5 221 Riverside Riverside, Victoria Ranch Comment
  RSA703743  Langloisia setosissima subsp. setosissima LeRoy Gross 2005-3-3 1565 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  CDA43467  Laportea aestuans Chandler & Mellor 2015-11-13 PDR# 331 P06143073-2 Riverside Menifee; Ramirez Foliage, 32883 Ascot Way. 0 Comment
  OBI8642  Larrea divaricata Robert F. Hoover 1969-4-11 11216 Riverside Mouth of Morongo Valley Cyn Comment
  HSC82947  Larrea tridentata B. Pitzer 1986-2-9 9 Riverside Martinez Canyon, Santa Rosa Mtns., SW of Valerie Jean, 1 mi. E of canyon mouth. Comment
  LA99472  Larrea tridentata Hisao P. Arai; 1957-4-17 sn Riverside 1 mi S of Cabazon, off Hwy 60 Comment
  RSA735214  Larrea tridentata Steve D. Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11236 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  RSA766607  Larrea tridentata Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-27 176 Riverside Orocopia Mtns Wilderness. Orocopia Mtns. SR 2013/ Red Canyon Rd at wilderness boundary sign. 689 Comment
  UCR240282  Larrea tridentata D. Dozier 1994-4-21 09 Riverside Sonoran (Colorado) Desert, NE of I-10 Fwy at intersection with Indian Canyon Dr., c. 1 mile east of Indian C. and 200 m north of access road 224 Comment
  UCR251960  Larrea tridentata Max Brodie 2014-4-6 04 Riverside San Bernardini Mtns./Sonoran (Colorado) Desert, Whitewater Canyon off Whitewater Canyon Rd., along Whitewater River near town of Bonnie Bell, c. 2 miles north of Hwy I-10 488 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
  POM361561  Lasthenia coronaria Ora M. Clark 1929-3-16 1698 Riverside South Cabazon. Comment
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Mar 13 2011
  UC1536902  Lasthenia coronaria G. H. True 1935-3-14 103 Riverside Goulan Hills Comment
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Dec 12 2011
  UCR250130  Lasthenia coronaria A. C. Sanders 2014-4-9 40996 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. north of intersection with Indian Truck Trail, c. 0.18 km southeast of El Hermano Rd., NW of Corona (Lee) Lake 316 Comment
  POM13000  Lasthenia gracilis P. A. Munz, I. M. Johnston 1922-5-19 5420 Riverside Hemet Valley, San Jacinto Mountains. 1402 Comment
  POM361559  Lasthenia gracilis C. B. Wolf 1932-3-20 24 Riverside Richman Ranch, 2.5 miles north of De Luz. 457 Comment
  SDSU14009  Lasthenia gracilis Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2101 Riverside Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 640 Comment
  UC1536904  Lasthenia gracilis G. H. True 1935-3-11 76 Riverside Box Springs 365 Comment
  UC74035  Lasthenia gracilis M. F. Gilman 1904-1-1 18 Riverside Banning Comment
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Mar 13 2011
  UCR202227  Lasthenia gracilis Karin Cleary-Rose 1998-3-6 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, Palmieri property, 25 acre parcel in western Hemet, south of Hwy 74, west of Warren Rd, directly east of the San Diego Aqueduct and c. 500 ft. east of Salt Creek, north of Stetson Ave. 527 Comment
  CSUSB1275  Lathyrus laetiflorus Carole Sims 1965-3-14 Riverside Roadside, 2-3 miles east of Temecula toward Vail Ranch. 335 Comment
  UCR123634  Lathyrus vestitus var. vestitus Steven R. Hill, A. C. Sanders 2001-5-4 33727 Riverside Santa Rosa Plateau, Carancho Road, at crossing of De Luz Creek (headwaters) 360 Comment
  CAS-BOT-BC379635  Layia platyglossa P. A. Munz 1918-4-27 2152 Riverside South of Corona Comment
  UCR269906  Layia platyglossa D. E. Bramlet, Amy Hills, R. E. Riefner Jr., Russell Huddleston 2005-3-2 3654 Riverside Perris-Agunaga Basin Region; San Jacinto Valley, west of Hemet, east of San Diego Canal, west of Warren Rd., south of Hwy 74, north of W Stetson Ave. 457 Comment
  POM157893  Layia platyglossa subsp. campestris P. A. Munz 1927-5-21 10891 Riverside Coahuila Valley 1372 Comment
  RSA90128  Lemna minor E. K. Balls, Percy C. Everett 1953-8-19 18537 Riverside Head of Palm Canyon, where stream crosses Hwy 74 on Palms to Pines Hwy. 1372 Comment
  CLARK-A1045-126  Lepidium dictyotum George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep Canyon; Palm Desert 15'Q Comment
  UCR114957  Lepidium dictyotum var. acutidens Fred M. Roberts 1992-4-25 4874 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
  UCR182527  Lepidium dictyotum var. acutidens Mitch Provance 2005-5-17 6572 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  UCSB39077  Lepidium fremontii Jorgensen, Jan 1982-3-21 Riverside South entrance to Joshua Tree National Monument 600 Comment
  POM254732  Lepidium lasiocarpum P. A. Munz 1940-3-23 15687 Riverside north end of Pinto Basin 610 Comment
  RSA649253  Lepidium lasiocarpum Faulkner 1978-3-15 280 Riverside 1 mi. W of Hwy 95, 25 mi. N of Blythe. 152 Comment
  UCR112102  Lepidium lasiocarpum A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23353 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  UCR252659  Lepidium lasiocarpum T. B. Salvato, Matthew Malle 2013-4-2 7493 Riverside Perris-Aguanga Basin, Wildomar, c. 2 mi east of Lake Elsinore, west side of Mission Trail, north of Victorian Lane 387 Comment
  UCR30098  Lepidium lasiocarpum George K. Helmkamp 1983-4-5 483 8 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  UCR60439  Lepidium lasiocarpum R. F. Thorne, M. Z. Thorne 1973-3-30 42672 Riverside Sonoran (Colorado) Desert, Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs; [vicinity of Hwy 62 crossing of Mission Creek] 488 Comment
  RSA0049915  Lepidium lasiocarpum subsp. lasiocarpum Jim Andre 2014-1-27 26674 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  JOTR28808  Lepidium lasiocarpum var. lasiocarpum La Doux, Tasha, Bill Truesdell 2004-3-11 1076 Riverside Joshua Tree National Park. Pinto Basin; Sand Hills 530 Comment
  JOTR28959  Lepidium lasiocarpum var. lasiocarpum La Doux, Tasha 2005-3-30 1195 Riverside Joshua Tree National Park. Hexie Mtns/Pinto Basin; next to Fried Liver Wash 544 Comment
  UCR65276  Lepidium latifolium Steve Boyd 1989-7-23 3787 Riverside Santa Ana River, Riverside, just downstream of the old city dump at W extension of Rubidoux Ave. Comment
  RSA543302  Lepidium nitidum Steve Boyd 1991-3-17 5508 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
  RSA734993  Lepidium nitidum Justin M. Wood 2008-2-4 3 Riverside Liberty Quarry, W. of 15 freeway near the Rainbow exit. 366 Comment
  UCR91891  Lepidium pinnatifidum A. C. Sanders, K. D. Jones, D. Malueg 1996-4-20 18053 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  CDA24948  Lepidium strictum A. C. Sanders 2001-5-1 24068 Riverside San Bernardino Valley region; Riverside, UCR campus, off Linden Drive in married student housing area, near corporation yard. Comment
  RSA162734  Lepidium virginicum J. Olmstead 1959-6-23 658 Riverside Desert Sun School near Idyllwild. 1646 Comment
  RSA276729  Lepidium virginicum var. pubescens John F. Emmel 1978-6-18 607 Riverside San Jacinto Mts.; Strawberry Creek, SW of Idyllwild 1555 Comment
  RSA524437  Lepidium virginicum var. robinsonii Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-3 4053 Riverside Vail Lake Area, summit of Big'' Oak Mts. at E end. 792 Comment
  UCR225214  Lepidium virginicum var. robinsonii T. B. Salvato, Matt Malle, Tim Searl 2011-4-19 5163 Riverside Peninsular Range; Gavilan Hills, Alberhill, unpaved extension of Lake Street, 1.5 km NNE of the intersection of Lake Street and Hwy 15 473 Comment
  CAS-BOT-BC329447  Lepidospartum squamatum H. M. Hall 1899-8-2 1367 Riverside Gavilan Hills Region 2 mi. sw of Ferris 426 Comment
  CHSC109008  Lepidospartum squamatum Orlando Mistretta; D. Bell, J. Beckman, J. England, K. Kane, et al. 2010-4-12 4483 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) in the vicinity of Bonnie Bell; between N33.94127, W116.64118 and N33.94722, W116.64305. 488 Comment
  POM10045  Lepidospartum squamatum E. A. Zumbro 1903-10 21 Riverside San Gabriel Mountains, Cold Water Canyon. Comment
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Apr 7 2011
  POM157941  Leptosiphon lemmonii P. A. Munz 1927-5-21 10829 Riverside Coahuila [Cahuilla] Valley. 1220 Comment
  SD119888  Leptosiphon liniflorus Louis B. Ziegler 1967-9-6 238 Riverside San Jacinto Mountains; Hemet Valley, Quinn Flat region. 1372 Comment
  UCR141256  Lessingia filaginifolia A. C. Sanders, Kelly Volansky 2004-10-6 28822 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
  UCR193973  Lessingia filaginifolia A. C. Sanders 2008-7-25 35906 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, along Bonita Vista Rd. at foot of hills 1580 Comment
  UCR219982  Lessingia filaginifolia A. C. Sanders, D. L. Sanders 2010-11-28 38703 Riverside Peninsular Range; NW Gavilan Hills, Angel Canyon Falls, above Home Gardens at the western edge of Riverside, 4.8 km NW (303 deg. ) of Lake Mathews dam, above intersection of Lincoln St. & Indiana Ave. 279 Comment
  UCR92653  Lessingia glandulifera var. glandulifera F. M. Reed 1933-9-20 8076 Riverside San Jacinto Mountains, near Keen Camp 1524 Comment
  RSA324571  Limnanthes gracilis subsp. parishii Tom Griggs, Earl Lathrop 1985-3-3 2 Riverside Santa Rosa Plateau, 4 miles W of Murrieta; 1/4 mile below vernal pool C3 on Mesa de Colorado. Comment
  RSA0012071  Limosella acaulis Steve D. Boyd, Gary D. Wallace 2005-7-30 11647 Riverside San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2659 Comment
  RSA588982  Limosella aquatica D. Bramlet 1992-5-15 2282 Riverside Pipeline seep located south of Lakeview hot springs and just S. of the MWD access road. The site is located some 833m. west of the San Jacinto River and 433m eat of the intersection of Pozos Rd. and the MWD pipeline maintenance road. Comment
  UCR220296  Linanthus Robert J. Steers, Chris E. True, Robin G. Marushia, Sheila Kee 2005-3-3 s.n. Riverside Sonoran Desert, East Banning Pass, c. 1 mile east of the Snow Creek community (at the end of Snow Creek Dr.). at base of Mt. San Jacinto 369 Comment
  POM13331  Linanthus bigelovii E. C. Jaeger 1921-4-1 1095 Riverside Pinon Flat. Comment
  RSA26965  Linanthus californicus C. L. Hitchcock 1940-4-12 6041 Riverside 8 mi. northwest of Elsinore 457 Comment
  OBI52759  Linanthus dianthiflorus L. LaPre, J. Easton 1988-1-27 Riverside Santa Rosa Plateau, Mesa de Burro, Santa Rosa Springs Ranch Comment
  RSA496473  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3092 Riverside Vail Lake area, S of Hwy 79, Kolb Creek drainage, W of Woodchuck Rd. 488 Comment
  UCR228171  Linanthus jonesii Dave Silverman, Onkar Singh 2010-3-25 7842 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa, 3.2 km E of Black Creek Rd, 3.8 km W of McCoy Wash, and 7.8 km N of I-10 139 Comment
  RSA751425  Linanthus liniflorus A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35577 Riverside May Valley c. 1.25 mi SW of Fleming Ranch, near May Valley Rd. 1560 Comment
  UCR172725  Linaria canadensis A. C. Sanders, John F. Green 2006-5-18 32372 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
  UCR6480  Linaria canadensis Helen Leach 1967-3-2 C670302- 01 Riverside Pedley 229 Comment
  UCR220320  Linaria canadensis var. texana John F. Green 2005-3-7 s.n. Riverside Peninsular Range, Wildomar, west of Grand Ave off Sweet Nectar Rd. 415 Comment
  UCR178006  Lithophragma Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 077 Riverside San Bernardino Mtns., Morongo Indian Reservation, Hathaway Canyon, tree stand H-05 915 Comment
  RSA170448  Lobelia cardinalis subsp. graminea J. D. Olmsted 1959-8-13 776 Riverside Fleming Ranch in May Valley; at head of big green meadow (spring fed). 3 miles SE of Idyllwild. 1616 Comment
  UCR116857  Lobularia maritima A. C. Sanders, Steven R. Hill 2001-5-4 24136 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  RSA688852  Loeflingia squarrosa Scott D. White, Michael Honer 2003-5-13 9256 Riverside Whitewater Canyon, ca. 2 miles north of Bonnie Bell. 579 Comment
  UCR167079  Loeflingia squarrosa Scott D. White 2005-3-29 10850 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  UCR260851  Loeflingia squarrosa A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41417 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  UC23705  Loeseliastrum matthewsii H. M. Hall 1899-6-1 Riverside Smith Mt. Comment
  POM75005  Loeseliastrum schottii Marcus E. Jones 1906-4-27 9983 Riverside Palm Springs. Comment
  UCR254626  Loeseliastrum schottii Jim Andre, Glenn Clifton, Ron Kelley 2013-3-21 24396 Riverside NE Colorado Desert, West Riverside Mountains; at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 mi. SW of Vidal Jct, 3 mi. south of Grommet RR xing at Hwy 62 363 Comment
  RSA0081258  Loeseliastrum schottii Harold Lint 1958-5-25 2042 Riverside East of Pinyon flats campground. Pines to Palms Hwy [Hwy 74]. Comment
  UCR230195  Lolium perenne subsp. perenne A. C. Sanders, T. B. Salvato 2011-4-29 39358 Riverside Peninsular Range; Perris-Aguanga Basin Region, Romoland, McLaughlin Rd. east of Palomar Rd., near powerplant and railroad 445 Comment
  SD136936  Lomatium dasycarpum subsp. dasycarpum Steve Boyd, Tim Ross, Orlando Mistretta 1992-3-31 6740 Riverside Santa Ana Mountains, San Mateo Cyn Wilderness Area. Morgan Trail from Round Potrero west to junction with Tenaja Trail in north fork Bear Crk 669 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
  UC21218  Lomatium lucidum W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1931 Riverside Temecula Creek 609 Comment
  UCR121184  Lomatium utriculatum D. E. Bramlet 1997-2-25 2483 Riverside Lake Skinner area, Lake Skinner County Park, ridgeline 700 ft. (~0.15 mi.) south of lake and 5000 ft. (~ 1 mi.) west of 'Old' Warren Road. 476 Comment
  UCR94946  Lonicera subspicata Scott D. White 1996-8-16 4480 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, SW of Pine Cove & west of Bear Trap Canyon, in watershed above Alvin Meadows, tributary to Toll Road Canyon 1860 Comment
  RSA33622  Lonicera subspicata var. denudata N. C. Cooper 1944-7-15 1582 Riverside Palms to Pines Highway, San Jacinto Mountains. 1280 Comment
  CLARK-A1528-384  Lonicera subspicata var. johnstonii Charlotte Stocks 1962-5-16 Riverside Bautista Canyon Comment
  SEINET3815175  Lophocereus schottii John L. Anderson, Duncan Bell and Kim Clark 2013-1 Riverside Comment
  SEINET10543637  Lotus David B. Dunn 1946-8-17 Dunn 2699 Riverside Taquitz valley camp ground; stream margin. 2438 Comment
  RSA496733  Lotus argophyllus var. argophyllus B. Pitzer, A. C. Sanders 1987-4-21 498 Riverside Box Springs Mts., near southernmost radio towers 793 Comment
  UC15654  Lotus heermannii Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Mountains 1828 Comment
  UCR169469  Lotus humistratus John F. Green 2005-4-28 s.n. Riverside Peninsular Range; Southern Santa Ana Mtns., Santa Rosa Plateau, hills on the south side of Tenaja Rd., between Squaw Mtn. and DeLuz Creek 655 Comment
  UCR151041  Lotus nevadensis var. davidsonii Scott D. White 1998-7-31 6943 Riverside San Jacinto Mts., Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park 1951 Comment
  UC62928  Lotus oblongifolius var. oblongifolius H. M. Hall Jul 1901 2380 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1584 Comment
  UCR135983  Lotus purshianus A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27905 Riverside Peninsular Range, Alberhill Mountain, around dried pool in bottom of a large clay pit 445 Comment
  UCR30492  Lotus purshianus John C. Roos 1952-5-26 5721 Riverside Haas' Ranch, Reche Canyon 457 Comment
  UCR59512  Lotus purshianus Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3579 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake Area, along Arroyo Seco drainage from junction with Kolb Creek, S to within 0.25 mi of Hwy 79 457 Comment
  UC15501  Lotus purshianus var. purshianus H. M. Hall 1901-6 2387 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1584 Comment
  HSC25800  Lotus rigidus Richard Spjut 1972-3-13 2257 Riverside Western border of the Colorado Desert ; San Jacinto Mts., near the eastern border of the San Bernardino Natl. Forest along Hwy. 74 915 Comment
  JOTR31880  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
  RSA658884  Lotus scoparius Douglas A. Springer 1981-2-16 6 Riverside 2.9 miles E of La Serra Rd., E of Corona. Comment
  JEPS55855  Lotus strigosus W. L. Jepson 1901-5-20 1314 Riverside Chalk Hill Mt. San Jacinto, Thomas Valley 1341 Comment
  RSA709971  Lotus strigosus Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4589 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UCR116862  Lotus strigosus A. C. Sanders, Steven R. Hill 2001-5-4 24135 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  UCR84840  Lotus strigosus A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16146 .1 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  CLARK-A1528-2812  Lotus tomentellus John C. Roos 1937-4-18 1355 Riverside Whitewater Comment
  RSA406378  Lotus tomentellus M. B. Dunkle 1935-3-31 4434 Riverside Pinto Basin. 915 Comment
  POM98794  Lotus tomentellus P. A. Munz 1926-1-31 9982 Riverside Clay hills, west of Dos Palmos, Colorado Desert. Comment
  RSA406280  Lotus unifoliolatus M. B. Dunkle 1933-7-20 3699 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  RSA50572  Lotus unifoliolatus E. C. Jaeger 1949-7-24 s.n. Riverside Virgin spring, Santa Rosa mountains Comment
Read comments
Nov 6 2011
  UC998915  Lupinus H. J. Fuller 1942-4-18 Riverside near Mecca (Mojave Desert); , near Mecca Comment
  CLARK-A1528-490  Lupinus albifrons Conrad Bahre 1970-4-30 Riverside San Jacinto Mountains 1523 Comment
  RSA590646  Lupinus albifrons var. eminens R. Weatherby 1950-4-13 3021 Riverside Hagador Firebreak Comment
  RSA769614  Lupinus albifrons var. eminens E. W. Lathrop 1974-6-4 7405 Riverside 3 miles southwest of Corona, Cleveland National Forest, Trabuco District 274 Comment
  POM349959  Lupinus arizonicus M. B. Dunkle 1935-3-30 4428 Riverside Pinto Basin, Colorado Desert. 915 Comment
  RSA659789  Lupinus arizonicus J. C. Roos 1947-2-15 3268 Riverside Lost Palms Cyn. S face of Eagle Mtns., west of Hayfeilds. Comment
  RSA800196  Lupinus arizonicus Robert F. Thorne 1963-3-29 32404 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  SEINET2062842  Lupinus arizonicus George Helmkamp 1995-3-16 Riverside Coxcomb Mts, W of Rice Rd., 10.3 mi NE of Desert Center 198 Comment
  SEINET6180827  Lupinus arizonicus LeRoy Gross, Leland Lubinsky; Victor Steinmann; Linda Worlow 2005-2-17 1407 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region; Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground.; 0 480 Comment
  UCD105758  Lupinus arizonicus P. C. Everett; E. K. Balls 1958-4-29 23019 Riverside along U.S. Hwy 60/70, Indio to Blythe. 502 Comment
  SEINET10488536  Lupinus arizonicus David B. Dunn 1948-2-21 Dunn 3675 Riverside Seedling; Pushawalla Canyon; a rain about two weeks earlier in wash. Hills still quite dry. Comment
  RSA612784  Lupinus bicolor D. L. Banks, Victor W. Steinmann 1997-3-13 1418 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
  RSA787061  Lupinus bicolor Robert F. Thorne 1973-5-23 43856 Riverside Santa Rosa Plateau- Mesa De Colorado, grasslands near vernal marsh 610 Comment
  POM317055  Lupinus bicolor subsp. microphyllus F. W. Peirson 1922-4-29 5224 Riverside South of Lake Elsinore. 381 Comment
  UC15828  Lupinus concinnus Geo. F. Reinhardt June, 1897 Riverside San Jacinto Mountains Comment
  UCR179204  Lupinus concinnus Mitch Provance, Tracy Tennant 1998-6-16 MOR- 386 Riverside San Bernardino Mtns., Morongo Indian Reservation, 0.5 mi. north of junction of East Branch and Millard Canyon 1220 Comment
  UCR245893  Lupinus concinnus R. F. Thorne 1995-3-29 63014 Riverside Transverse Range; San Bernardino Mtns., Whitewater Canyon 600 Comment
  RSA543773  Lupinus concinnus subsp. concinnus Steve D. Boyd 1991-5-7 6175 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  RSA519404  Lupinus elatus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  UCR117316  Lupinus excubitus A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 725 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  SEINET10484016  Lupinus excubitus subsp. austromontanus August J. Breitung 1953-6-13 Breitung 15559 Riverside Hemet reservoir, san bernardino nat'l forest. Comment
  CAS-BOT-BC216689  Lupinus excubitus subsp. hallii Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  RSA282756  Lupinus excubitus var. austromontanus C. W. Tilforth, B. Busenberg 1980-6-10 1995 Riverside Ca. 1/2 mile south of Thomas Mtn Campground, at summit of Thomas Mtn. Rd. , west of Hwy 74 and south of Lake Hemet. 2043 Comment
  UCR6031  Lupinus excubitus var. austromontanus David T. Wright 1966-5-16 s.n. Riverside San Jacinto Mtns., 1 mi east of Lake Fulmor on Banning-Idyllwild road 1555 Comment
  CAS-BOT-BC216696  Lupinus excubitus var. excubitus P. C. Everett 1935-6-18 7182 Riverside 1 mile from Ortega Highway, Main Divide Motorway to Santiago Peak, Santa Ana Mountains 731 Comment
  JOTR33934  Lupinus excubitus var. excubitus La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2824 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
  JOTR01084  Lupinus excubitus var. hallii Cole, James E. 1941-5-19 720 Riverside Joshua Tree National Park. COVINGTON FLAT CANYON 1402 Comment
  RSA591824  Lupinus latifolius subsp. parishii E. W. Lathrop 1966-5-29 6394 Riverside Bear Spring on the Main Divide Truck Trail1 miles E of Santiago Peak, Cleveland National Forest Comment
  LA205136  Lupinus latifolius var. parishii C. B. Wolf; 1936-6-17 7954 Riverside Santa Ana Mountains, along Ortega Hwy, San Juan Canyon 2.6 mi. E of Orange County Line 457 Comment
  SD229158  Lupinus latifolius var. parishii Dick Schwenkmeyer 2012-6-27 757 Riverside Strawberry Creek, 1/4 mile northwest of Humber Park, Idyllwild. 1914 Comment
  SBBG114168  Lupinus microcarpus var. microcarpus R. Riggins 1982-4-15 1341 Riverside Guava St (DeLuz Rd) 0.4 mi S jct Washington Ave in Murietta Comment
  UCR18117  Lupinus pallidus A. C. Sanders 1978-4-2 00356 Riverside Sonoran (Colorado) Desert, Living Desert Reserve in Palm Desert [mouth of Deep Canyon] 152 Comment
  RSA678417  Lupinus sparsiflorus Michael Wall 2003-4-6 256 Riverside Vacant lot off Ramona Expressway at Donna Ave adjacent to Soboba Health Clinic. Property for sale and future housing development. 506 Comment
  UC1537124  Lupinus sparsiflorus Gordon H. True Jr. 1935-4-1 194 Riverside Box Springs 426 Comment
  UCR256756  Lupinus sparsiflorus T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7892 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  UCR256794  Lupinus sparsiflorus T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7872 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 549 Comment
  UCR48415  Lupinus sparsiflorus Steve Boyd 1986-4-22 1747 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  RSA414270  Lupinus sparsiflorus subsp. sparsiflorus N. C. Cooper 1944-3-24 1029 Riverside Banning. 701 Comment
  RSA519230  Lupinus truncatus Ed LaRue 1989-4-26 s.n. Riverside 2 mi. (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  SD143893  Lupinus truncatus A. C. Sanders, G. Waines, et al. 1997-3-12 19867 Riverside Lake Skinner area; lower Rawson Canyon, along road northeast of Skinner Lake. 456 Comment
  SDSU14025  Lupinus truncatus Dinna Estrella, M. G. Simpson 2002-4-20 25 Riverside Santa Margarita Ecological Reserve. Road shoulder of Via Tornado Road, near junction with Santa Margarita river. 233 Comment
  UCD39070  Lupinus truncatus Beecher Crampton 1963-5-7 6779 Riverside western part of the county, 5 miles (in direct line) s.e. of Elsinore, Bundy Road. Comment
  UCR142197  Lupinus truncatus June Latting 1979-4-8 s.n. Riverside Box Springs Mountain 915 Comment
  POM14117  Luzula comosa Phillip A. Munz 1922-7-6 6000 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  RSA368891  Luzula comosa H. E. Hasse 1892-7-4 s.n. Riverside San Jacinto. Comment
  UCR279523  Lycium andersonii A. C. Sanders, Jim Malusa 2017-3-27 43123 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, canyon 12 km NE (46 deg. ) of Bombay Beach, on both sides of the Imperial County line 305 Comment
  UCR87089  Lycium andersonii Richard Minnich 1992-2-18 s.n. Riverside Riverside, c. 1 km SW of Mockingbird Canyon Reservoir Comment
  POM184503  Lycium andersonii var. deserticola C. Leo Hitchcock 1932-4-7 12206 Riverside Corn Springs. Comment
  UCR96703  Lycium brevipes A. C. Sanders 1997-3-1 19723 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  RSA427023  Lycopersicon esculentum Louis C. Wheeler 1933-7-27 2040 Riverside Santa Ana River at Chino Creek. 152 Comment
  RSA535484  Lythrum californicum Steve Boyd, Tim Ross, Orlando Mistretta 1992-2-2 6632 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
  UCR172746  Lythrum californicum Robert Cox, Chris E. True 2005-6-6 s.n. Riverside Perris-Aguanga Basin, At the San Jacinto River confluence with Perris River Valley storm drain. c. 0.25 mi N of Ellis Ave. at the 215 Fwy 431 Comment
  SBBG54325  Lythrum hyssopifolia C. Davidson 1977-5-25 5666 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  UCR91882  Machaeranthera canescens A. C. Sanders, Scott D. White, C. L. Sanders 1994-12-18 15897 Riverside San Jacinto Valley, eastern edge of San Jacinto, Mountain Avenue at Esplanade Avenue, 2.4 mi. NW of Hwy 74 on Mountain Ave. 490 Comment
  CLARK-A1528-263  Machaeranthera tephrodes John C. Roos 1951-10-19 5330 Riverside San Jacinto River Comment
  UC1608211  Madia exigua Steve Boyd and Tim Ross 1992-6-10 7642 Riverside due w junction of Tenaja Road (7S01) and Los Alamos Road (7S04) (at confluence of Los Alamos Creek & main trunk of San Mateo Creek, San Mateo Canyon about Potrero Escondido, isolated area of low relief top the ridge); Southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 670 Comment
  RSA0103965  Malacothamnus fasciculatus Duncan S. Bell, LeRoy Gross 2015-3-10 7768 Riverside San Gorgonio Wilderness area; Mission Creek; just below (south of) the San Bernardino/Riverside county border. 830 Comment
  POM229455  Malacothrix clevelandii P. A. Munz 1937-5-30 15087 Riverside Northwest slope of Santa Rosa Mountain. 2134 Comment
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Sep 4 2009
  SEINET11601600 Image available Malacothrix coulteri M. Alice King s.n. Riverside Menifee Comment
  CAS-BOT-BC347714  Malacothrix glabrata Anne Constant 1955-3-27 148 Riverside Along Highway 111 between Banning and Palm Springs. Colorado Desert 365 Comment
  RSA341991  Malacothrix glabrata R. F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54053 Riverside Along Whitewater River, E of bridge and levee. Comment
  SD160997  Malacothrix glabrata Virginia Moran 2003-3-26 Riverside Peninsular Ranges; Perris-Aguanga Basin region: Wilson Valley Mitigation Bank. Comment
  UCR196012  Malacothrix glabrata R. F. Thorne, M. Z. Thorne 1973-3-30 42695 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
  RSA180343  Malosma laurina E. W. Lathrop 1965-5-23 5763 Riverside Riverside, 8 miles W of Murrieta. 610 Comment
  RSA638203  Malosma laurina Scott D. White 1998-10-9 7173 Riverside Corona, near Bedford Canyon: ''Joseph Canyon' wash near a disused quarry. Site adjacent to housing tracts now under construction and proposed for same. 335 Comment
  SDSU12944  Malosma laurina Jutta Buschbom 1991-5-1 10 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  SD143832  Malva parviflora Scott D. White 1996-12-26 4643 Riverside Perris area. 424 Comment
  UCR111580  Malva sylvestris Mitch Provance 1999-4-3 1724 Riverside City of Riverside, 'Eastside' area, SE corner of Victoria Ave. and 14th St. 274 Comment
  RSA7218  Mammillaria tetrancistra B. D. Stark 1932-6-15 3738 Riverside Base of Eagle Mountains above Utopia, Colorado Desert. 229 Comment
  RSA5015  Marah macrocarpa C. B. Wolf 1932-3-20 15 Riverside Richman Ranch, 2.5 miles north of De Luz. 457 Comment
  UC1537624  Marah macrocarpa Gordon H. True Jr. 1935-3-1 38 Riverside Gavilan Hills 548 Comment
  UCR21950  Marah macrocarpa Steve Boyd 1980-5-11 219 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
  UCR47233  Marah macrocarpa B. G. Pitzer, L. F. LaPre 1987-3-2 0428 Riverside Peninsular Range, Bundy Canyon, c. 2 miles SE of Lake Elsinore, 0.5 mile north of Bundy Canyon Road off Raciti Rd. 703 Comment
  RSA0036209  Marrubium vulgare Norman C. Cooper 1944-4-22 1112 Riverside Banning. 731 Comment
  IRVC14142  Marsilea vestita B. T. Gittins 1966-5-1 1259 Riverside 6 miles W of Murietta; roadside. Santa Ana Mountains Comment
  SD68957  Marsilea vestita Robert F. Thorne, E. Lathrop & P. Munz 1968-5-8 37566 Riverside Santa Rosa Plateau, Mesa de Colorado, Rancho California 669 Comment
  UCR215593  Matelea parvifolia Jim Andre, T. La Doux 2008-9-16 10704 Riverside Mojave Desert, Joshua Tree National Park, on the southeast end of Splitock Picnic Area 1290 Comment
  UCR179766  Matricaria occidentalis R. E. Riefner Jr. 2004-6-27 04- 221 Riverside Paloma Valley; along Scott Road, in general vicinity of Leon Road 435 Comment
  RSA445531  Meconella denticulata E. Crow 1929-3-17 201 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  CLARK-A1528-2856  Medicago lupulina John C. Roos 1952-4-30 5604 Riverside March Air Force Base 487 Comment
  OBI37484  Medicago polymorpha Steve Boyd 1985-7-23 1008 Riverside De Luz Rd, 7 mi W of Rancho California 366 Comment
  UCR95244  Melaleuca citrina D. L. Banks, E. H. Banks 1996-5-2 956 Riverside Agua Tibia Mountains, NW Palomar Mountains; NW foothills of Dorland Mtn, S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage 524 Comment
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Jun 5 2006
  CAS-BOT-BC271704  Melica frutescens A. C. Sanders; Matthew Malle; T. B. Salvato; Jonas Winbolt; Katie A. Kurtz 2010-4-2 37748 Riverside Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Road, 1.65 mi. ESE of Corona (Lee) Lake, 0.5 mi. NE (25 deg. ) of Temescal Canyon Road where it goes under I-15, Alberhill 7.5' Q., Peninsular Range 403 Comment
  SEINET7048164  Melica frutescens Steven R. Hill 2001-5-3 33666 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
  CLARK-A1528-72  Melica imperfecta Fred B. Essig 1967-5-7 Riverside Box Springs Mountains Comment
  SD144118  Melica imperfecta Scott D. White 1997-5-25 5235 Riverside Bautista Canyon, Hixon Trail (USFS No. 2E43), between trailhead at Bautista Cyn. Rd. and intermittent stream crossing 975 Comment
  SEINET7048165  Melica imperfecta Steven R. Hill 2001-5-3 33668 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
  SEINET2063363  Melilotus indicus Ed LaRue 1989-4-21 Riverside Moreno Valley, Univ. of CA agricultural experimental farms, ca. 1/2 mi S. of Alessandro Blvd. near corner of Cactus Ave. & Nason St. Comment
  RSA556497  Melilotus indicus Julie Greene 1993-4-3 1111 Riverside San Jacinto Wildlife Area; around pond #3. 442 Comment
  POM10382  Mentzelia affinis Charlotte M. Wilder 1906-05 7 Riverside Salt Lake fill [Salt Lake RR Bridge over Santa Ana River, Riverside] Comment
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Sep 4 2011
  UC68742  Mentzelia affinis H. M. Hall apr 1905 5766 Riverside Colorado Desert, Cathedral Cayon 91 Comment
  UCR244437  Mentzelia albicaulis Jim Andre 2012-4-16 20937 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
  RSA692200  Mentzelia involucrata Scott D. White, Michael Honer 2003-5-14 9301 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  RSA717446  Mentzelia involucrata Scott D. White, Pam DeVries 2006-3-14 11258 Riverside North of the I-10 Freeway a few mi east of Indio, at proposed I-10 / McNaughton Parkway interchange. 91 Comment
  SBBG24103  Mentzelia involucrata A. I. Richardson 1966-3-28 Riverside above Desert Highland Hot Springs Comment
  UCR279554  Mentzelia involucrata var. megalantha A. C. Sanders, Jim Malusa 2017-3-29 43186 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 2.8 km south of the confluence of Red Canyon and Salt Creek 460 Comment
  RSA507948  Mentzelia montana Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2266 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. 1500 Comment
  RSA772021  Mentzelia veatchiana Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4948 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
  UCR201624  Mentzelia veatchiana Scott D. White, Justin M. Wood 2008-6-16 12133 Riverside San Jacinto Mountains, meadow at Quinn Flat 1378 Comment
  POM248404  Mentzelia veatchiana E. C. Jaeger 16 Riverside [No location information on label.] Comment
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Nov 6 2011
  CAS-BOT-BC348847  Microseris douglasii subsp. douglasii A. C. Sanders; K. C. Rose 1998-5-21 21860 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
  UCR189587  Microseris douglasii subsp. platycarpha Diane Menuz 2006-5-23 102 Riverside Peninsular Range, Oak Mountain; c. 2.5 km north of Vail Lake 823 Comment
  UCR116506  Microseris heterocarpa A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 745 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR90391  Microseris heterocarpa D. L. Banks, Steve Boyd 1995-5-9 0326 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, west of the Dripping Springs Alcove, west of Woodchuck Campground. 701 Comment
  RSA645619  Microseris lindleyi Scott D. White, Steve Ogg 1994-4-21 1948 Riverside Millard Canyon, near stream crossing w/ USFS Road 2S05, +/-4 miles south of Bear Wallow Spring. 915 Comment
  UCR162284  Microseris lindleyi S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR180042  Microseris lindleyi Mitch Provance 2005-5-18 9813 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  UCR84608  Microseris lindleyi Scott D. White, S. Ogg 1994-4-21 1948 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  SEINET7907896  Mimulus aurantiacus D. A. Johnson 2005-1 Riverside Between Perris & Lake Elsinore, 1 mi E of CA 74, River Rd 488 Comment
  POM8005  Mimulus aurantiacus var. pubescens I. M. Johnston 1920-5-8 2285 Riverside Butte west of Lakeview. 610 Comment
  UC943874  Mimulus aurantiacus var. pubescens H. E. McMinn, M. Van Rensselaer 1945-6-7 1894 B Riverside Indian Canyon Truck Trail Santa Ana Mts. 853 Comment
  UCR182500  Mimulus aurantiacus var. pubescens Andrea Salzman, Carlos Navarro 2006-4-5 27 Riverside Peninsular Range, Sycamore Canyon park, Riverside, N of Alessandro Blvd. and SW of Box Springs Siding 457 Comment
  UCR91463  Mimulus aurantiacus var. pubescens Scott D. White 1995-3-30 2668 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  RSA554278  Mimulus aurantiacus var. puniceus Scott D. White 1992-2-25 92 -1 Riverside Santa Rosa Plateau, between Sandia and De Luz Creeks, ca. 1.5 (air) mi. W of Sandia Canyon; 7 miles SW of Murrieta. 305 Comment
  UC1577079  Mimulus aurantiacus var. puniceus C. B. Clokey, I. W. Clokey, B. Templeton 1930-4-15 4728 Riverside Perres-Gavilan Peak 600 Comment
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Jul 5 2010
  UCR102708  Mimulus bigelovii B. G. Pitzer 1998-1-24 3393 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  RSA420969  Mimulus bigelovii var. bigelovii N. C. Cooper 1949-4-8 3254 Riverside Mecca Pass east of Indio. 549 Comment
  UCSB54188  Mimulus bigelovii var. bigelovii McKinley, Gale 1985-3-26 Riverside 200 yards east of site #9; in Ryan campground; in Joshua Tree National Monument 1280 Comment
  UCSB6096  Mimulus bigelovii var. bigelovii Haller, John 1960-4-2 Riverside south side of US 60-70; 5.8 miles east of Desert Center 243 Comment
  CSUSB885  Mimulus brevipes Charles Herrick 1974-5-11 Riverside 1/4 mile southeast of Calimesa turnoff of freeway 10. 716 Comment
  SDSU10762  Mimulus brevipes Charles F. Phleger 1962-5-12 Riverside Collceted on Highway 74, 5 miles east of Hemet. Comment
  UCR187497  Mimulus cardinalis Theresa Johnson 2006-8-8 253 Riverside Peninsular Range; San Jacinto Mtns., Stone Creek, below Hwy 243 and c. 0.6 mi. above confluence with North Fork San Jacinto River 1433 Comment
  UCR217549  Mimulus clevelandii Diane Menuz, Ana Hernandez 2009-6-1 500 Riverside Palomar Mtns., Agua Tibia Wilderness, 3.5 km south of Hwy. 74, c. 1 km south of Korean retreat camp, along old Woodchuck trail. Steep slope next to trail 841 Comment
  CLARK-A1045-335  Mimulus diffusus George K. Helmkamp 1978-5-2 Riverside Bautista Canyon a burned area beside Bautista Road; Hemet 15'Q Comment
  UCR162768  Mimulus fremontii S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  LA209759  Mimulus fremontii var. fremontii Norman C. Cooper; 1944-5-21 1224 Riverside San Jacinto Mtns., W side 914 Comment
  UCR174076  Mimulus guttatus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32590 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
  UC1537586  Mimulus nasutus Gordon H. True Jr. 1935-4-1 191 Riverside Box Springs 365 Comment
  RSA0056579  Mimulus parishii Barry Prigge 1980-8-5 3817 Riverside San Bernardino Mountains, Whitewater Canyon: 0.5 miles N of trout farm. 701 Comment
  RSA191414  Mimulus pilosus E. W. Lathrop, Robert F. Thorne 1967-9-26 6614 Riverside Tenaja Guard Station, 10 miles NW of Murrieta. Comment
  UCR202579  Mimulus pilosus Scott D. White, Justin M. Wood 2008-7-8 12397 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  UCR275350  Mimulus pilosus T. B. Salvato, Melissa Clemons 2005-6-9 1493 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 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
  RSA757624  Mirabilis bigelovii var. retrorsa LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4334 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  SEINET10622384  Mirabilis californica Greg Gust, Leith Nye 2005-3-11 Gust 545 Riverside Lake Elsinore City Limits. Hwy 74 ca. 2 mile W of Lake Elsinore on hill slope pullout. 691 Comment
  UCR175379  Mirabilis californica Jennifer H. Jones, Janine Amaya and Thi (Teresa) Bui 2006-5-8 292 Riverside Peninsular Ranges; Box Springs Mtns, Riverside, UCR campus; S on road east of UCR herbarium, Bio 5C hill 396 Comment
  UCR163426  Mirabilis laevis B. G. Pitzer 1998-1-25 3428 Riverside Lakeview Mtns., Warren Road, just below water tank at base of hills, W side of road c. 0.5 mi. NE of Juniper Flat Road 610 Comment
  RSA0123999  Mirabilis laevis var. crassifolia Duncan S. Bell, Thomas Stoughton 2016-4-13 9251 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; on the western slopes of Martinez Mountain. 1548 Comment
  CAS-BOT-BC434818  Mirabilis laevis var. retrorsa S. B. Parish 1916-5-13 10847 Riverside Cottonwood Spr., Colorado Desert 792 Comment
  RSA517843  Mirabilis laevis var. villosa Steve Boyd, Orlando Mistretta 1986-3-13 1480 Riverside West Side Palen Mts: NE of Desert Center; first large canyon at NW tip of western segment of range. Comment
  RSA735220  Mirabilis multiflora var. pubescens Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11242 -B Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  RSA0104947  Mirabilis tenuiloba Duncan S. Bell, Evan Meyer 2014-10-29 7675 Riverside Santa Rosa Mountains; around the mouth of Martinez Canyon, about 3.5 air miles southwest of Valerie. 169 Comment
  UCR272307  Mirabilis tenuiloba Duncan S. Bell, Sarah J. De Groot, Cheryl Sevilla 2015-2-10 7744 Riverside Santa Rosa Mountains, a narrow unnamed canyon c. 2 air miles south of La Quinta, and c. 5.25 air miles northeast of th summit of Martinez Mountain 232 Comment
  SBBG99713  Mohavea confertiflora W. L. Halvorson 1977-2-5 77 -12 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  SD4394  Monardella breweri subsp. lanceolata Florence Youngberg 1933-8-26 Riverside Idyllwild Pines, San Jacinto Mountains. Comment
  UC104662  Monardella breweri subsp. lanceolata A. W. Anthony 1895-7-15 Riverside San Jacinto Mts. 1828 Comment
  UCSC001507  Monardella lanceolata Peter Kamb 1948-10-21 1272 Riverside San Jacinto Mts., Hall Canyon 1646 Comment
  CAS-BOT-BC215498  Monardella nana Elizabeth McClintock 1941-7-22 130 Riverside On slope south of Strawberry Creek and west of Domengonio Flats, San Jacinto Mts. Comment
  LA96107  Monardella nana Elizabeth McClintock; Harlan Lewis 1941-6-29 75 Riverside Santa Rosa Mountains, road up. 4.5 mi above Pines to Plams Hwy Comment
  UC1499889  Monardella nana Elizabeth McClintock 1941-5-31 52 Riverside 5 3/4 miles from Anza Monument turn off Comment
  UCR221478  Monardella nana subsp. arida Elizabeth McClintock 1941-7-12 105 Riverside Peninsular Range; San Jacinto Mtns., a few hundred feet beyond the forks on the trail to Suicide Rock 2195 Comment
  RSA750285  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-10 92 Riverside San Jacinto Mts. Top of Suicide Rock. Comment
  RSA750306  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-18 122 Riverside San Jacinto Mts. Trail to Hidden Lake, about 1 mile beyond the cienega. Comment
  SEINET2065884 Image available Monardella nana subsp. tenuiflora Noel H. Holmgren, Liew Fah Seong 1969-6-17 3579 Riverside San Jacinto Mountains, County Road R1, 1/4 mile above Bay Tree Spring. Comment
  UC1499890  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-5-31 53 Riverside between 5 and 5 3/4 mi from Anza Monument turn off Comment
  UC219321  Monardella nana subsp. tenuiflora P. A. Munz 1922-6-26 5833 Riverside Santa Rosa Santa Rosa Mts. 1737 Comment
  CAS-BOT-BC349702  Monoptilon bellidiforme Ivan Johnston 1917-4-4 1055 Riverside Colorado Desert. Palm Canyon 457 Comment
  POM363584  Monoptilon bellioides Christopher Davidson 1979-4-4 7712 Riverside Orocopia Mountains; Box Canyon on Box Canyon Road, 13.4 miles E of Mecca 488 Comment
  RSA0123369  Monoptilon bellioides Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9035 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
  RSA25353  Monoptilon bellioides C. L. Hitchcock 1940-4-4 5943 Riverside Pinto Basin. Comment
  RSA775802  Monoptilon bellioides Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 994 Riverside Iron Mountains, on southwest side of mountains in drainage on either side of the road 419 Comment
  RSA0105391  Monoptilon bellioides Henry J. Ramsey, Henry J. Ramsey 1940-4-14 2003 Riverside Colorado Desert, north of Blythe. Comment
  UC852064  Montia fontana P. A. Munz 1922-5-21 5521 Riverside San Jacinto Mountains, Hemet Valley Hemet Valley; San Jacinto Mountains, Hemet Valley 1386 Comment
  UCR25388  Muhlenbergia californica John C. Roos 1937-8-23 467 Riverside San Jacinto Mtns, north base of Mt. San Jacinto, Snow Creek 762 Comment
  CAS-BOT-BC275253  Muhlenbergia microsperma Steve Boyd; et al. 1990-4-3 4101 Riverside Vail Lake Area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain, just S of the E summit 701 Comment
  CAS-BOT-BC275297  Muhlenbergia microsperma A. N. Dunn; A. M. Martin 1932-3-26 s.n. Riverside Box Canon Comment
  JOTR31899  Muhlenbergia microsperma La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2148 Riverside Joshua Tree National Park. West Cottonwood Mountains; rocky bench between deep drainages in large southwest facing canyon feeding into east Pinkham Wash Comment
  LA9632  Muhlenbergia microsperma F. M. Reed; 1907-2-12 1202 Riverside near Chicago ave Comment
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Jan 18 2014
  RSA605174  Muhlenbergia microsperma A. C. Sanders, G. Helmkamp, P. J. MacKay, et al. 1995-3-19 16182 Riverside Coachella Valley: N-facing rocky slope in Chino Canyon along the Palm Springs tram road, 2 miles above Hwy 111 (Palm Canyon Dr.) 490 Comment
  RSA718838  Muhlenbergia microsperma Michael Honer, L. Hulse 2005-3-8 2042 Riverside Fargo Canyon; first main N-trending fork after entering canyon from bajada. Site of large long MWD aqueduct tunnel tailings pile. 457 Comment
  UCR168444  Muhlenbergia microsperma P. A. Munz, R. D. Harwood 1920-2-28 3238 Riverside Santa Ana Mtns. region, 2 miles SE of Corona 305 Comment
  SEINET3082644 Image available Muhlenbergia porteri Jim Andre, T. La Doux 2008-9-16 10689 Riverside Mojave Desert: Joshua Tree National Park, along Bell Moutain Road atop Bell Mountain, c. 0.3 mi. north of radio tower (Queen Mountain 7.5' Q.) 1359 Comment
  UCR113565  Muilla maritima Mitch Provance 2000-4-8 2006 Riverside Jurupa Mountains, S extension of 'Rattlesnake Mt.', <100 m west of peak 1739. 518 Comment
  UCR77754  Myosurus minimus subsp. apus Steve Boyd, D. E. Bramlet 1991-3-13 6227 Riverside Winchester Valley between Winchester & Hemet along upper Salt Creek drainage. Pasture north of Santa Fe RR tracks, west of San Diego Aqueduct. Comment
  SD181816  Myriopteris clevelandii Scott D. White, Teresa Salvato 2001-6-8 8590 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 334 Comment
  SD173293  Myriopteris parryi Melvin M. Sweet 2005-4-14 123 Riverside Anza-Borrego State Park; about 1.5 km NE of Middle Willows in Coyote Canyon; on hill on east side of Coyote Wash 634 Comment
  RSA0121058  Nama demissa Duncan S. Bell, Thomas Stoughton 2016-3-16 8944 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central/southeastern section of range, approximately 2.5 air miles north of Gucci Spring. 511 Comment
  UCR60559  Nama demissa R. F. Thorne, C. W. Tilforth 1980-5-28 54249 Riverside San Bernardino Mtns., Branch canyon west of Whitewater Canyon, c. 3.2 mi. north of Whitewater Post Office and Hwy 10. 612 Comment
  POM194892  Nama hispida var. revoluta Roxana S. Ferris 1928-4-22 7188 Riverside Colorado River bottom near Ripley South of Blythe. Comment
  CAS-BOT-BC259971  Nassella lepida Steve Boyd 1986-5-7 1828 Riverside Alberhill Mountain: Lower slopes of S flank, just E of claymine area Comment
  SEINET3523241 Image available Nasturtium officinale Diane L. Ill 1985-5-12 40 Riverside Gavilan Hills, Hartford Springs, 1.6 miles south of Cajalco Road on Gavilan Road. Right side of road along Spring. Comment
  RSA561867  Navarretia atractyloides Steve Boyd, T. S. Ross 1992-6-10 7623 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, near the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with main trunk of San Mateo Creek. 405 Comment
  UCR87888  Navarretia fossalis Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  RSA787334  Navarretia hamata R. F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49558 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons. Comment
  LA207124  Nemacaulis denudata var. gracilis H. L.; 1935-4-6 sn Riverside Palm Springs 152 Comment
  RSA0120324  Nemacladus Duncan S. Bell, Thomas Stoughton 2016-4-13 9272 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  UCR50887B  Nemacladus orientalis A. C. Sanders 1988-5-11 7813 B Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal, east of the gasline road from Niland 549 Comment
  SD51777  Nemacladus ramosissimus Rimo Bacigalupi, G. T. Robbins 1954-5-16 4464 Riverside St. Johns Grade, State Highway 79, 11 miles south of Hemet, at junction of road to Red Mountain. 790 Comment
  SEINET3815124 Image available Nemacladus ramosissimus Rimo Bacigalupi, G. T. Robbins 1954-5-16 4473 Riverside Near summit of grade along State Hwy 79, 3/4 mile south of Sage 762 Comment
  JOTR32017  Nemacladus rubescens La Doux, Tasha, T. Herskovits, M. Harding 2011-4-21 2247 Riverside Joshua Tree National Park. Pinto Basin, south of Sand Hill; wide, sandy wash draining into Pinto Wash (Stop 3) 476 Comment
  RSA75141  Nemacladus rubescens F. W. Peirson 1928-4-24 7914 Riverside Below Cottonwood Springs, Eagle Mountains. Northern Colorado Desert. Comment
  SBBG81481  Nemacladus rubescens S. A. Junak 1983-3-24 1664 Riverside near Pinto Basin Rd, 2.1 mi N of Interstate 10 563 Comment
  SEINET10840516  Nemacladus rubescens Hall Hall 5838 Riverside Near Salton 30 Comment
  SEINET10939189  Nemacladus rubescens var. rubescens Junak 1983-3-24 JUNAK 1664 Riverside Near Pinto Basin road, 2.1 miles north of Highway 10 564 Comment
  UCR127497  Nemacladus tenuis var. tenuis A. C. Sanders, G. Nuhn 1995-4-20 16581 Riverside Sonoran (Colorado) Desert, Coachella Valley, near Fan Hill, NE of Dillon Road on an abandoned road, below Little San Bernardino Mtns. NE of 1000 Palms 549 Comment
  RSA606291  Nemophila menziesii Jon E. Keeley 1994-4-7 25291 Riverside Shipley Reserve, study site Sh4. S of Hemet, S end of Rawson Road 660 Comment
  UCR122527  Nemophila menziesii George K. Helmkamp, E. A. Helmkamp 2001-5-20 6665 Riverside San Jacinto Mtns., 0.3 mi NW of Keen Camp Summit along CA-74 1494 Comment
  UC131504  Nemophila menziesii var. integrifolia C. F. Baker 1903-4-4 4123 Riverside Elsinore Comment
  UCR139032  Nemophila menziesii var. menziesii D. L. Banks, V. W. Steinmann 1997-3-13 1449 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  UCR91531  Nicotiana glauca Scott D. White 1995-4-5 2714 Riverside Moreno Valley, Base of slope in 'Badlands', off [Moreno-Redlands] Blvd 640 Comment
  UCR97268  Nicotiana glauca Scott D. White 1995-4-5 2762 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  UCR139647  Nicotiana quadrivalvis A. C. Sanders 2004-6-30 28386 B Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  UCR232046  Nicotiana quadrivalvis John F. Green 2008-4-15 0408- 09 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  RSA0055017  Nicotiana trigonophylla Jim Shevock 1970-12-12 559 Riverside Joshua Tree National Monument. 975 Comment
  UCR24804  Nierembergia hippomanica George K. Helmkamp 1981-5-20 s.n. Riverside Transverse Range/Sonoran (Colorado) Desert, Dry Morongo Wash, 100 yards downstream from the bridge at the San Bernardino County Line 732 Comment
  POM259633  Nolina bigelovii E. C. Jaeger 1939-12-1 s.n. Riverside Orocopia Mountains 366 Comment
  RSA78225  Nolina parryi J. C. Roos, L. Roos 1952-10-18 5904 Riverside Hidden Valley Campground 1220 Comment
  RSA189429  Notholaena californica subsp. leucophylla L. S. Rose 1966-12-13 66102 Riverside Palm Springs, Tahquitz Wash Desert 182 Comment
  OBI53608  Nuttallanthus texanus Steve Myers 1988-1 s.n. Riverside Temescal Cy, ca 1/4 mi W of intersection of Hwy I-15 & Indian Truck Trl 381 Comment
  RSA0018415  Nuttallanthus texanus J. C. Roos 1947-3-15 3446 Riverside Valle Vista, San Jacinto Valley. Comment
  RSA736168  Oenothera claviformis subsp. aurantiaca Rosemarie Zimmermann 1962-2-24 213 Riverside Cathedral City: Palms to Pines Hwy. 152 Comment
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Jun 4 2013
  SD48535  Oenothera deltoides P. C. Everett, E. K. Balls 1958-4-29 23025 Riverside 5.3 miles northeast along road from Desert Center to Rice and Vidal Junction. 800 Comment
  UCSB9470  Oenothera deltoides subsp. deltoides Lloyd, Robert 1960-3-23 Riverside One mile from U.S. Hiway 99 on State Road 111, to Palm Springs, San Jacinto Mt. Range 396 Comment
  UCR178162  Oenothera elata John F. Green, M. D. Wilcox 2003-7-15 s.n. Riverside San Jacinto Mtns., on powerline trail, picnic area at Juan Diego Flats, NW of Cahuilla Mountain 1220 Comment
  UCD170719  Oenothera rosea A. C. Sanders 1998-4-11 21750 Riverside Riverside, NE edge of UCR campus, east of A and I dorms and south of Watkins Dr., near Parking Services Bldg. 335 Comment
  CAS-BOT-BC427462  Oligomeris linifolia Carl B. Wolf 1932-4-28 3072 Riverside Colorado Desert. Chuckwalla Valley. 20 mi. west of Blythe on the Mecca Road. 121 Comment
  JEPS25897  Oligomeris linifolia E. E. Schellenger April 1920 Riverside canyon e Coachella; Colorado Desert Comment
  RSA709899  Oligomeris linifolia Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4601 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  RSA0027578  Olneya tesota Kristin Forgrave, April Garbat, Deidre Conocchioli 2013-8-13 32 Riverside At Corn Springs Campground. Comment
  UCD108102  Olneya tesota G. H. Vansell 1928-4-1 s.n. Riverside S. Calif. and Coachella Valley. Comment
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Jun 15 2013
  UCR265202  Olneya tesota April Garbat, Kristin Forgrave 2013-5-29 76 Riverside Sonoran (Colorado) Desert, along Box Canyon Road from Cottonwood Springs Road to Mecca 305 Comment
  CAS-BOT-BC478172  Oncosiphon piluliferum R. E. Jr. Riefner 2015-4-2 15 -107 Riverside Perris/Menifee area, Patricia Ln. at Barnett Rd., S of Ethanac Rd. and W of I-215 441 Comment
  SD148226  Oncosiphon piluliferum A. C. Sanders, Mirch Provance and T. B. Salvato 2001-5-8 24209 Riverside Val Verde, between Moreno Valley and Perris; along I-215, 0.9 mile south of Oleander Ave. at south end of Patterson Ave. 456 Comment
  UCR19729  Opuntia John C. Roos, L. Roos 1952-10-18 5905 Riverside Little San Bernardino Mtns, Hidden Valley campground 1220 Comment
  RSA0114876  Opuntia basilaris Marc A. Baker, Michelle Cloud-Hughes 2014-2-16 17933 Riverside Big Maria Mountains along the Midland-Vidal Road, 16 km SW of Quien Sabe Point, 25.5 km NNW of central Blythe. 287 Comment
  POM311527  Opuntia basilaris var. basilaris Lyman Benson 1963-6-20 16348 Riverside Wash just north of Banning-Banning Canyon. 854 Comment
  POM9959  Opuntia bigelovii var. bigelovii P. A. Munz 1921-5-1 4485 Riverside 5 miles north of Whitewater, San Bernardino Mts. 305 Comment
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May 28 2011
  RSA285344B  Opuntia phaeacantha Lyman Benson 1955-12-6 15624 Riverside 3 miles east of Cabazon.US 99. Colorado Desert. 457 Comment
  RSA356633  Orcuttia californica R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. Lathrop 1975-8-29 47318 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 609 Comment
  RSA357376  Orcuttia californica F. W. Peirson 1922-5-19 3028 Riverside Menifee Valley Comment
  SBBG122754  Orcuttia californica A. Parikh 1990-5-14 171 Riverside Santa Rosa Plateau Ecological Reserve, NE part of Mesa de Burro, S of Miller Cyn, 3.3 km SSW of Murrieta 593 Comment
  RSA0066506  Orobanche californica subsp. feudgei Frank W. Peirson 1938-5-30 s.n. Riverside Thomas Mountain, Hemet Valley. Slopes south of the Shell Gas station. 1402 Comment
  RSA734945  Orobanche cooperi W. Blanchard 1932-4-16 s.n. Riverside Palm Spring Station. Comment
  CLARK-A1045-318  Orthocarpus densiflorus George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains vernal pool; Wildomar 7.5'Q Comment
  CLARK-A1528-4778  Oryzopsis miliacea John C. Roos 1965-6-19 Riverside Santa Ana Mountains Comment
  SEINET7073340  Oxalis albicans subsp. californica A. G. Vestal 1963-4-29 s.n. Riverside South Mesa on Tenaja Grande (Tenaja Trunk Road), Santa Ana Mountains. Cleveland National Forest. Coordinate datum: NAD27. Comment
  POM229023  Oxytheca trilobata P. A. Munz 1937-5-31 15117 Riverside Below Anza Tablet at head of Coyote Canyon. 1006 Comment
  RSA122751  Oxytheca trilobata H. S. Yates 1936-8-29 6375 Riverside 1 mile NE of Keen Camp. 1616 Comment
  RSA652108  Paeonia californica Don Fells 1948-2-15 s.n. Riverside 1/3 mile SE from 6th and California, Norco. 229 Comment
  UC537184  Paeonia californica M. E. Jones 1933-4-5 Riverside Hemet Comment
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Mar 24 2011
  CAS-BOT-BC327912  Palafoxia arida Ira L. Wiggins 1941-3-27 9670 Riverside About 4 miles NE of Desert Center on raod to Rice Comment
  OBI26120  Palafoxia arida David J. Keil 1976-12-12 11927 Riverside Along I-10, 37 mi E of Chiriaco Summit Comment
  RSA0040099  Palafoxia arida Duncan S. Bell, Deidre Conocchioli 2014-3-18 6253 Riverside Orocopia Mountains; southern/central section of range; approximately 1.25 air miles northwest of Gucci Spring. 511 Comment
  UCR90264  Palafoxia arida F. M. Reed 1917-5-19 3843 Riverside Western Colorado Desert, Region of Palm Springs Canyon, mesa south of Palm Springs village 152 Comment
  SEINET10799061  Palafoxia arida David B. Dunn 1946-2-23 Dunn 1958 Riverside Collected in mud flats dry and caked and split. All American CAnal catch basin from desert washes. Orascopia Mts. northeast of the Saltan Sea. Comment
  POM363748  Palafoxia arida var. arida F. R. Fosberg 1932-3-13 8093 Riverside Thousand Palms Canyon. Comment
  UCR95459  Panicum capillare D. L. Banks, E. H. Banks, J. B. Hedge 1996-6-6 1122 Riverside Agua Tibia Mtns, NW Palomar Mtns; NW foothills of Dorland Mtn; S end of Los Caballos Road, approximately 20 m north of the gate to the University of California-Emerson Oaks Reserve, across the junction with the road to the local golf course, in a vineyard 427 Comment
  HSC85252  Papaver californicum Steve Boyd 1986-4-22 1735 Riverside Temescal Canyon: Walker Canyon area, where Alberhill Creek (=Temescal Creek) flows between Alberhill Mtn. and Gavilan Hills. Comment
  UCR68718  Papaver californicum Steve Boyd, T. S. Ross 1990-5-11 4629 Riverside Peninsular Range, base of Agua Tibia Mtn, east of Dripping Springs campground of Cleveland National Forest Comment
  UCR102826  Parietaria hespera var. californica A. C. Sanders 1997-3-26 20104 Riverside Lake Skinner area, along foot trail at west base of Tucalota Hills 518 Comment
  UCR101838  Parietaria hespera var. hespera B. G. Pitzer 1997-4-1 3062 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  SFV1800  Parkinsonia florida A. Thompson 1959-4-10 s. n. Riverside Palm Desert. About 4 miles froum Palm Desert toward Desert Museum Sanctuary. Comment
  UCR226786  Parkinsonia florida Jim Andre 2011-2-9 15902 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  UCSB2975  Parkinsonia florida Haller, John 1960-4-2 Riverside South side of U.S. 60-70, 5.8 miles east of Desert Center 243 Comment
  PASA202  Parosela schottii 1930-3-30 Riverside Painted Canyon Comment
  RSA500158  Paspalum distichum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3643 Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Hwy 79. 488 Comment
  POM192451  Pectis papposa Marcus E. Jones 1929-9-16 s.n. Riverside East of Desert Center. Comment
  SBBG46835  Pectis papposa K. K. Muller 1971-11-7 2981 Riverside just S of US Hwy 60, opposite S entrance to Joshua Tree Nat Monument Comment
  JEPS30090  Pectis papposa var. papposa Lewis S. Rose 1961-11-24 61063 Riverside La Quinta 15 Comment
  CLARK-A1528-2247  Pectocarya heterocarpa John C. Roos 1966-3-20 Riverside Comment
  JOTR30327  Pectocarya heterocarpa La Doux, Tasha, E. Babich, J. Galvin, B. Truesdell, N. Fraga, A. Miller, J. Van Warmerdam 2008-2-4 1771 Riverside Joshua Tree National Park. Hexie Mountains, southern end; Porcupine Wash. Stop #1: Open sandy wash near road heading to Cottonwood. 745 Comment
  POM368804  Pectocarya heterocarpa Robert M. Perkins, H. de Forest 1938-4-18 s.n. Riverside 24 miles W of Indio. Comment
  RSA191740  Pectocarya heterocarpa R. F. Thorne 1963-3-29 32389 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  SBBG87400  Pectocarya heterocarpa A. C. Sanders with B. Pitzer, D. Charlton 1986-3-1 6017 Riverside Chuckwalla Valley, 1 mi W of Hayfield Lake, 2 mi SW of pumping station on a small cutoff rd from Hayfield Rd to the dirt rd to Colorado River Aqueduct 426 Comment
  UCR214710  Pectocarya heterocarpa A. C. Sanders, Richard Dwerlkotte 2010-3-22 37516 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 1.5 mi. SE of Sidewinder Well, south end of Palen Dry Lake, SW of Palen Mtns. 130 Comment
  UCR241691  Pectocarya linearis T. B. Salvato 2013-3-22 7401 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), south of Los Alamos Rd, rocky slopes flanking Warm Springs Creek 396 Comment
  HSC3749  Pectocarya linearis subsp. ferocula C. L. Hitchcock 1966-3-16 24180 Riverside 0.25 mi. W of Aguanga Comment
  RSA524224  Pectocarya linearis subsp. ferocula Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4018 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UC1537389  Pectocarya linearis subsp. ferocula Gordon H. True Jr. 1935-2-22 15 Riverside Gavilan Hills 548 Comment
  SEINET272156  Pectocarya penicillata A. C. Sanders 1997-3-1 19754 Riverside Box springs Mountains: E side of Pigeon Pass Valley ca. 1/2 mile NW of Lawless Ranch E of Hidden Springs Rd. intersecti 579 Comment
  UCR171950  Pectocarya penicillata John F. Green 2006-4-18 s.n. Riverside NE of Murrieta, just south of Los Alamos Rd. ('Clinton Keith Rd.'), on E and W sides of Liberty Rd. border between City of Murrieta and unincorporated French Valley 415 Comment
  CAS-BOT-BC169712  Pectocarya peninsularis E. A. McGregor 1917-4-1 844 Riverside Between Coyote Wells and Cement Bridge Comment
  RSA777853  Pectocarya platycarpa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 843 Riverside Chuckwalla Mountains Wilderness, off Corn Spring Road. Large wash draining out of large canyon in Chuckwalla Mountains, draining through pavement plain bajadas 396 Comment
  UCR214882  Pectocarya platycarpa A. C. Sanders 2010-3-15 37396 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  VVC2450  Pectocarya platycarpa Tim Thomas 2013-3-18 5937 Riverside Sonoran Desert, 10 miles WSW of Blythe NE of Mule Mtns. 116 Comment
  CLARK-A1045-298  Pectocarya recurvata George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep canyon; ; Palm Desert 15'Q Comment
  POM368817  Pectocarya recurvata F. R. Fosberg 1932-3-13 10628 Riverside Thousand Palm Canyon, Coachella Valley Comment
  JOTR33959  Pectocarya setosa La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2845 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; sandy wash and gravelly benches with bouldery granitic outcrops Comment
  RSA741190  Pectocarya setosa Scott D. White, Justin M. Wood 2008-6-16 12131 Riverside Fobes Ranch Road N of Quinn Flat 1390 Comment
  PASA166  Pedicularis densiflora Frank W. Peirson 1922-4-29 Riverside 1 mile east of Dripping Spring, Temecula river 518 Comment
  UCR104692  Pedicularis densiflora G. F. Pratt 1998-2-5 s.n. Riverside Peninsular Range, Big Oak Mountain, north of Vail Lake, near the summit of peak on N side. 915 Comment
  SDSU13607  Pellaea andromedifolia var. andromedifolia W. Miller, C. Mosse Riverside Comment
  RSA686926  Pellaea mucronata Gale Sphon 1955-5-21 21 Riverside 5 miles south of Banning Comment
  UCR178509  Pellaea mucronata R. G. Swinney 1967-3-5 0046 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 381 Comment
  SBBG56255  Pellaea mucronata var. californica R. Hoffmann 1929-9-6 Riverside San Jacinto Mtns 2286 Comment
  RSA33304  Pellaea mucronata var. mucronata Norman C. Cooper 1944-3-24 1032 Riverside Banning; 701 Comment
  UC1210232  Pellaea mucronata var. mucronata Rimo Bacigalupi with Paul C. Hutchison 1958-2-19 6206 -A Riverside ca. 2 mi w of Ribbonwood (above CA Hwy 74 (Palms to Pines)); San Bernardino Nat'l Forest, sw base Santa Rosa Mts 1371 Comment
  CAS-BOT-BC258813  Pennisetum setaceum A. C. Sanders; P. MacKay 1994-10-23 15848 Riverside San Bernardino Mountains: Whitewater River Canyon, between the trout hatchery and Bonnie Bell 581 Comment
  RSA0030778  Penstemon clevelandii subsp. connatus I. M. Johnston 1917-4-4 s.n. Riverside Andreas Canyon 274 Comment
  SD111887  Penstemon clevelandii var. connatus Barbara Ertter, Jeffrey Strachan 1980-5-21 3487 Riverside Rivulet crossing Santa Rosa Mountain road (Forest Road 7S02) from Highway 74 (Pines to Palms Highway) (mak 10/07) 1584 Comment
  UCR35264  Penstemon labrosus L. B. Ziegler 1967-7-27 193 Riverside Peninsular Range; San Jacinto Mtns., Thomas Mtn. 2043 Comment
  JEPS21330  Pentachaeta aurea W. L. Jepson May 17 1901-Jun 1 1901 1321 Riverside Thomas Valley Comment
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Feb 16 2013
  OBI36582  Pentachaeta aurea A. C. Sanders, S. D. Boyd 1980-4-17 s.n. Riverside San Jacinto Mtns. Pine Meadow in upper Garner Valley , along hwy 74, .7 mi E of jctn with Hwy 371. 1524 Comment
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Jun 21 2012
  RSA200063  Pentachaeta aurea L. B. Ziegler 1967-8-1 s.n. Riverside Upper Hurkey Creek, southern part of San Jacinto Mountains 1524 Comment
  UCR137604  Pentachaeta aurea 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
  RSA0094740  Pentagramma maxonii P. A. Munz 1921-12-31 4702 Riverside Andreas Canyon, Colorado Desert. Comment
  RSA0062906  Pentagramma triangularis E. W. Lathrop 1965-5-9 5732 Riverside 6 miles W of Murrieta. Comment
  RSA678939  Pentagramma triangularis subsp. viscosa Scott D. White, Michael Honer 2003-6-3 9483 Riverside Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  SDSU1431  Peritoma arborea Marjorie Collier 1951-3-25 M 209 Riverside Palm Canyon 5 miles south of Palm Springs. Comment
  JEPS34967  Perityle emoryi I. W. Clokey and B. C. Templeton 1930-4-9 4700 Riverside n of Palm Springs; Colorado Desert 170 Comment
  JEPS35444  Perityle emoryi W. L. Jepson 1927-4-12 11648 a Riverside ne of Mecca; Mecca Hills, Painted Canyon 76 Comment
  JOTR32851  Perityle emoryi La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1166 Riverside Joshua Tree National Park. Little San Bernardino Mountains, east of Queen Mountain, near north entrance to park; basalt rocky slopes 946 Comment
  RSA25474  Perityle emoryi C. L. Hitchcock 1940-3-31 5893 Riverside Between Cottonwood Spring and Pinto Basin. Comment
  SBBG104631  Perityle emoryi T. Glenn 1991-5-2 91 -13 Riverside McCoy Mtns NW of Blythe Comment
  UC170161  Perityle emoryi E. E. Schellenger 1894-12-5 85 Riverside Chuckwalla Bench Colorado Desert, Chuckwalla Bench Comment
  UCR101572  Perityle emoryi Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  POM12018  Petalonyx linearis E. C. Jaeger 1920-4-7 1197 Riverside Rockhouse Canyon, Santa Rosa Mts. Comment
  UCR19121  Petalonyx linearis John C. Roos, Lucille Roos 1949-4-6 4143 Riverside Sonoran (Colorado) Desert, Canyon in the Orocopia Mountains, 2.5 mi. NE of Dos Palmas Spring 152 Comment
  UC535038  Petalonyx thurberi subsp. thurberi Victor Duran 1933-7-3 3500 Riverside Coachella Valley at Deep Canyon; Coachella Valley 243 Comment
  UCR211728  Petunia parviflora Fred M. Roberts 2005-5-19 6203 Riverside Perris Basin, San Jacinto Valley, city of San Jacinto, east of Sanderson Road and south of the Ramona Expressway, 2.6 km south-southwest of Gilman Hot Springs 446 Comment
  CAS-BOT-BC326731  Peucephyllum schottii W. R. Dudley 1903-12-29 s.n. Riverside Mouth of Palm Barrancas Comment
  CAS-BOT-BC326734  Peucephyllum schottii Roxana S. Ferris 1918-6-14 984 Riverside Box Canyon near Shavers Well, Chocolate Mts., Mecca - Blythe Road Comment
  RSA721892  Peucephyllum schottii J. Mark Porter, Orlando Mistretta 2003-6-5 13611 Riverside Chocolate Mountains. Chocolate Mountain Bombing and Gunnery Range. Unnamed canyon, S of Salt Creek, accessed via Siphon 21 of the Coachella Canal; fork running east, above the pour-off. 439 Comment
  RSA94106  Peucephyllum schottii F. W. Peirson 1919-4-13 4737 Riverside First canyon S of Palm Canyon near Palm Springs. Comment
  SEINET10801060  Peucephyllum schottii David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2861 Riverside Pushawalla Canyon, Indio Hills. Comment
  POM13267  Phacelia ambigua E. C. Jaeger 1922-3-4 1103 Riverside Painted Canyon near Mecca. Comment
  SD248441  Phacelia brachyloba a.c. Sanders, T. B. Salvato 2014-7-2 41184 Riverside Peninsular Range: San Jacinto Mountains: Fobes Canyon, c. 1/2 mile S of Fobes Ranch along Fobes Ranch Road (Palm View Peak 7.5'Q) 1555 Comment
  RSA0003811  Phacelia californica var. jacintensis E. C. Jaeger 1922-7-1 1045 Riverside Tahquitz Valley, San Jacinto Mts. Comment
  POM13319  Phacelia campanularia E. C. Jaeger 1920-04 1083 Riverside Old Santa Rosa, colorado Desert Comment
  RSA4951  Phacelia campanularia Carl B. Wolf 1932-4-27 3047 Riverside Colorado Desert, lower end of Lost Palm Canyon, at 1st rocky hills, 1mi off the Mecca-Blythe Road. 244 Comment
  UCR60240  Phacelia campanularia R. F. Thorne, M. Z. Thorne 1973-3-30 42658 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
  JEPS2212  Phacelia campanularia subsp. campanularia Marjorie Clary March, 1929 18 Riverside Whitewater Canyon Comment
  SD234423  Phacelia cicutaria Wayne Law, Jun Hu 2000-5-16 16 Riverside Peninsular Ranges: Santa Ana Mtns.: Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi S of Corona (Alberhill 7.5' Q) 395 Comment
  RSA713801  Phacelia cicutaria var. hispida A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27899 Riverside Peninsular Range: summit ridge of Alberhill Mountain, along dirt road. 503 Comment
  UC284681  Phacelia cicutaria var. hispida Miss Johnston Mar 1917 Riverside Palm Springs Colorado Desert Comment
  UCR101787  Phacelia cicutaria var. hispida George K. Helmkamp, E. A. Helmkamp 1997-3-5 1320 Riverside 2.8 mi SE of Gilman Hot Springs 518 Comment
  UCR102916  Phacelia cicutaria var. hispida George K. Helmkamp 1998-4-3 3090 Riverside Coachella Valley, Mission Creek, the Wildlands Conservancy Preserve, 1.1 mi. NW of the ranch house beside a gauging staion along the creek 747 Comment
  UCR241935  Phacelia cicutaria var. hispida A. C. Sanders, Timothy W. Chumley 2013-3-28 40696 Riverside Peninsular Range, Temescal Canyon Rd. at Pacific Clay Products plant/Bernard St., c. 1 mile north of Lake St. 370 Comment
  SBBG65305  Phacelia crenulata E. C. Jaeger 1926-2-20 Riverside springs near Dos Palmos on the Salton Sea Comment
  JOTR35303  Phacelia crenulata var. ambigua Andre, Jim 2012-4-11 20802 Riverside Joshua Tree National Park. western margin of Eagle Mountains, along road to Cottonwood Spring (Utah Trail), 0.7mi N of Cottonwood Visitor Center 956 Comment
  RSA795747  Phacelia crenulata var. ambigua Jim Andre 2012-3-19 21302 Riverside Orocopia Mountains; north end of range, 0.5 miles south of junction of Box Canyon Road and I-10 freeway, 23 miles east of city of Coachella. 488 Comment
  UC310588  Phacelia crenulata var. ambigua Philip A. Munz 1926-1-31 9958 Riverside Dos Palmos Spring Colorado Desert Comment
  UCR214277  Phacelia crenulata var. ambigua A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37480 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
  RSA0007629  Phacelia davidsonii P. A. Munz, D. Keck 1923-6-14 7068 Riverside Santa Ana Mountains: Glen Ivy Trail to Santiago Peak. 1463 Comment
  CLARK-A1045-321  Phacelia distans George K. Helmkamp 1977-3-20 Riverside Morongo Indian Reservation edge of hills, north of the Malki Museum; ; Cabazon 7.5'Q Comment
  JEPS2009  Phacelia distans W. L. Jepson 1939-4-17 19128 Riverside near Twin Sprs. (n end of canyon, sw Riverside Co.); Temescal Canyon Comment
  RSA770309  Phacelia distans Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4496 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
  UCD120406  Phacelia distans C. L. Hitchcock 1966-3-16 24203 Riverside Along Palms to Pines Highway, 7 mi. s. of Palm Desert. Comment
  UCR117712  Phacelia distans Mitch Provance 1998-6-11 681 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville; housing development now known as Southridge 320 Comment
  RSA427700A  Phacelia douglasii N. C. Cooper 1945-5-5 2252 Riverside San Gorgonio Mountains above Banning. 915 Comment
  UCR265825  Phacelia imbricata Mitch Provance 2012-5-24 512- 06 B Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  UC69330  Phacelia ivesiana var. pediculoides L. A. Greata April 1905 Riverside Coachella Comment
  JEPS4091  Phacelia minor Rimo Bacigalupi and J. F. MacBride 1952-3-30 3552 Riverside along US 395 2.6 mi n Murrieta (between Wildomar and Murrieta, sw Riverside Co.) Comment
  POM259668  Phacelia minor P. A. Munz 1940-3-22 15655 Riverside Whitewater Canyon 2 miles north of Banning-Indio boulevard. Comment
  RSA516417  Phacelia minor Walter Wisura, Bart O'Brien, T. Hayduk 1990-5-2 4426 Riverside Ortega Hwy. below switchbacks, near Lake Elsinor. Comment
  RSA524582  Phacelia minor Steve Boyd, Tim Ross, L. Arnseth, J. Bonilla 1990-4-3 4130 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
  UC455955  Phacelia minor I. J. Condit 1910-6-24 Riverside road to Strawberry Valley San Jacinto Mts. 914 Comment
  UCR44211  Phacelia minor A. C. Sanders 1986-6-1 6560 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  POM122264  Phacelia ramosissima var. latifolia Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  RSA428289B  Phacelia ramosissima var. latifolia Christopher Davidson 1975-6-16 2820 Riverside Ca. 2 miles S of Banning on road R1 to Idyllwild. 823 Comment
  UCR40514  Phalaris aquatica Steve Boyd 1985-8-7 1112 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, Tenaja Rd., 3.3 mi east of junction with 8S01 and 8S02 Comment
  UCR279380  Phalaris minor A. C. Sanders, Jim Malusa 2017-3-24 42975 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in canyon draining south toward Iris Wash, c. 3.5 km ESE of Iris Pass 701 Comment
  RSA717648  Phalaris paradoxa Scott D. White, Pam DeVries 2006-3-14 11246 Riverside North of the I-10 Freeway a few mi east of Indio, at proposed I-10 / McNaughton Parkway interchange. 91 Comment
  RSA459263  Pholistoma auritum E. Crow 1929-4-7 298 Riverside Corona Skyline Drive, Santa Ana Mountains. Comment
  JOTR30674  Pholistoma membranaceum La Doux, Tasha, Jim Andre 2008-3-21 138 Riverside Joshua Tree National Park. Upper Cottonwood Cyn, approximately 2 mi. S. of Cottonwood Visitor's Center 880 Comment
  POM46798  Pholistoma membranaceum Mary F. Spencer 1920-4-7 1582 Riverside Palm Canyon, Colorado Desert 183 Comment
  RSA550020  Pholistoma membranaceum Walter Wisura, A. King, L. Newcomb 1992-4-10 4677 Riverside Gorgonio Pass: Stubbe Canyon N of W-Palm Springs. Comment
  RSA495415  Pholistoma racemosum Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2942 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  CAS-BOT-BC135105  Phoradendron californicum Lewis S. Rose 1966-12-11 66093 Riverside Palm Springs 152 Comment
  UCR260262  Phoradendron californicum A. C. Sanders, Jim Malusa 2015-3-11 41402 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, wide canyon along the Gasline Road c. 1/4 mile north of the Imperial Co. line, US Navy Chocolate Mountains Aerial Gunnery Range 459 Comment
  RSA604872  Phoradendron densum Scott D. White 1995-12-24 3796 Riverside Perris-Aguanga Basin region: Lakeview Mountains. Juniper Flats Rd. ca. 1 1/2 road miles N of jct. w/ SR 74. 610 Comment
  SEINET3073024 Image available Phoradendron densum A. C. Sanders, P. MacKay, L. & P. Lubinsky 1994-10-30 15853 Riverside Catclaw Flat Quad. San Bernardino Mountains; White water River Canyon between Red Dome and Stills Landing, SE of VABM Paw. 850 Comment
  POM98991  Phoradendron densum E. C. Jaeger 1926-3-24 s.n. Riverside Eagle Mts., eastern Riverside Co. 854 Comment
  RSA645539  Phoradendron libocedri George K. Helmkamp 1995-11-16 s.n. Riverside San Jacinto Mountains. along Hwy 243 at Lake Fulmor. [UTM 10km cell: NH-2E, 4N. Black Mtn.] 1616 Comment
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May 4 2018
  SFV17133  Phoradendron libocedri P. G. Kilburn 1958-5-30 829 Riverside San Jacinto Mountains 5 miles north of Idyllwild, just west of Fern Basin Campground. Beside road. 2134 Comment
  UCR58849  Phoradendron macrophyllum Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3218 Riverside Peninsular Range, Vail Lake area at N end of Kolb Creek, near campground 457 Comment
  RSA585786  Phoradendron villosum D. L. Banks, Steve D. Boyd 1995-5-9 411 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. 738 Comment
  RSA682578  Phoradendron villosum George K. Helmkamp 1995-11-16 119 Riverside San Jacinto Mountains. along Hwy 243 at Lake Fulmor. [UTM 10km cell: NH-2E, 4N. Black Mtn.] 1616 Comment
  UCR91928  Phoradendron villosum George K. Helmkamp, E. A. Helmkamp 1995-11-16 1- 01 Riverside San Jacinto Mtns, Along Calif. Hwy 243, 0.25-0.50 mi south of Bay Tree Spring (about 0.9 mi north of Lake Fulmor) 1616 Comment
  RSA735792  Phragmites australis Steve Boyd 2007-4-20 11721 Riverside Southeastern end of the Gavilan Hills, north of Warm Springs Valley at upper end of ''Walsh Canyon,'' ca. o.5 miles from junction with Lindel (aka Stovepipe) Road., On southwest facing slope just above old Melia azedarach and across from driveway leading to 26875 Walsh Road. 549 Comment
  RSA644212  Physalis crassifolia Victor W. Steinmann 1999-10-26 1414 Riverside foothills of the Chuckwalla Mountains, open desert ca. 2 km south of Desert Center. 325 Comment
  SD4470  Physalis crassifolia F. Woodcock 1926-3-15 Riverside Palm Springs Comment
  UC1552022  Physalis crassifolia David Charlton 1988-2-18 1196 Riverside 5 mi e Dillon Rd. junction with Fargo Canyon Rd. (Fargo Canyon Rd to Cottonwood Wash, s of Joshua Tree National Park, parallel to I-10, s side of Little San Bernardino Mtns); Little San Bernardino Mtns. 762 Comment
  UCR240992  Physalis crassifolia Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 53 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  UCR261150  Pinus halepensis A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-20 41732 Riverside Temesal Canyon, open area on south side of I-15, between Horse Thief Canyon Road and Hostettler Rd. 395 Comment
  UCSB9245  Pinus monophylla Wilson, Richard 1958-5-18 Riverside At pinon Flats on State highway 74 Comment
  SEINET10530532  Pinus monophylla David B. Dunn, L. S. McClung 1939-10-22 Dunn UMO 46548 Riverside Native tree in the San Jacinto Mts of southern Calif. in Pinyon-Juniper woodland. Along the Palms to Pines Hwy. 1829 Comment
  UCR19284  Pinus quadrifolia John C. Roos 1947-4-5 3436 Riverside San Jacinto Mtns., Head of Thomas Valley 1463 Comment
Read comments
Oct 25 2011
  UCSB26244  Piperia transversa Gliessman, Stephen 1968-7-24 Riverside 50 yards south of Saunders Road; 0.1 mile east of junction with Idyllwild Road; San Jacinto Mountains 1584 Comment
  RSA615136  Pistacia atlantica A. C. Sanders 1997-3-1 19727 Riverside Riverside: UCR Campus., 33Y 58 N, 117Y 19 W 335 Comment
  SBBG34989  Plagiobothrys T. L. Secrest 1951-5-19 Riverside near Hemet Lake Comment
  RSA0088540  Plagiobothrys arizonicus Giovanni Rodriguez 2016-4-2 17 Riverside Santa Ana mountains, Santa Rosa Plateau (vernal pool trail head). 624 Comment
  SEINET4691425  Plagiobothrys arizonicus T. B. Salvato, Tracy Tennant 1998-1 MOR- 1217 Riverside San Bernardino Mtns. Foothills: Morongo Indian Reservation, Potrero Canyon about 1 mile above locked gate, east side of road near old corrals, tree stand P-03. 793 Comment
  UCR147039  Plagiobothrys arizonicus L. C. Wheeler 1976-3-30 s.n. Riverside San Jacinto Mtns, Falls Creek, north side of Mount San Jacinto 549 Comment
  UCR107398  Plagiobothrys canescens B. G. Pitzer 1997-3-23 2981 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  UCR226084  Plagiobothrys canescens A. C. Sanders, T. B. Salvato 2011-4-1 38953 Riverside Peninsular Range, Lake Elsinore, old house site on hill top along Baker St. below large water tank on hill, 0.83 km NW of Hwy 74, 0.5 km SW of Elsinore Outlet Mall/Collier Ave., above Temescal wash 403 Comment
  RSA709639  Plagiobothrys collinus A. C. Sanders 2004-4-2 27440 Riverside Peninsular Range: Temescal Canyon, Serrano Highlands project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  SEINET6060264  Plagiobothrys collinus Unknown 1996-4-19 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  UCR41823  Plagiobothrys jonesii A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6063 Riverside Sonoran (Colorado) Desert, Graham Pass, between Chuckwalla Mtns & Little Chuckwalla Mtns. 503 Comment
  UCR85638  Plagiobothrys leptocladus A. C. Sanders 1993-4-5 13698 Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74 460 Comment
  HSC3768  Plagiobothrys nothofulvus C. L. Hitchcock, C. V. Muhlick 1964-3-17 23082 Riverside 8 mi. SE of Corona, along road to Elsinore Comment
  UC494752  Plagiobothrys nothofulvus Philip A. Munz 1932-3-24 12013 Riverside Corona 365 Comment
  RSA496130  Plagiobothrys tenellus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 3009 Riverside Vail Lake area, low hills west of Kolb Creek arm of lake. 488 Comment
  RSA85110  Plagiobothrys tenellus J. C. Roos 1952-4-29 5594 Riverside Reche Canyon 457 Comment
  UCR179202  Plagiobothrys tenellus T. B. Salvato, Jeffrey Ross 1998-5-14 MOR- 135 Riverside San Bernardino Mtns., Morongo Indian Reservation, flat area cut by small wash, south and west of dirt road to Kitching Peak near junction with East Branch Millard Canyon, tree stand M-04 1128 Comment
  CHSC8393  Plantago Edward L. Smith 1958-3-22 410 Riverside Located in sand dunes 3 mi. s of Rice. Santa Maria Mts. 335 Comment
  RSA543869  Plantago bigelovii subsp. californica Steve Boyd, D. Bramlet 1991-5-13 6230 Riverside Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. N of Santa Fe RR tracks, W of San Diego aqueduct. Comment
  CHSC103794  Plantago erecta Scott D. White 2003-3-21 8814 Riverside Santa Ana Mountain Foothills: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Jan Creek. 152 Comment
  RSA198936  Plantago erecta Robert F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37446 Riverside Santa Rose Plateau: Mesa de Colorado, Rancho California. 671 Comment
  RSA356708  Plantago erecta Robert F. Thorne, E. W. Lathrop 1975-5-20 45507 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro; Santa Ana Mountains 610 Comment
  RSA388501  Plantago erecta Steve Boyd 1986-5-1 1815 Riverside Bachelor Mtn.: Lower south slopes of Bachelor Mtn., east end of Lake Skinner. Comment
  UCR280834  Plantago lanceolata T. B. Salvato, Gregg Miller 2005-6-3 1372 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
  POM11519  Plantago major P. A. Munz 1922-7-2 5944 Riverside Santa Rosa, Santa Rosa Mtns. [=Old Santa Rosa Village, ca 1 mi SSE of Santa Rosa Mtn] 1982 Comment
  RSA0024821  Plantago ovata Jim Andre 2013-3-4 23871 Riverside Riverside Mountains; east side of range, along rocky dirt road to historic mine area, 0.8 miles west of Hwy 95, approx 12 miles south of Vidal Junction. 127 Comment
  UCR29821  Plantago ovata George K. Helmkamp 1983-3-24 383- 17 Riverside Sonoran (Colorado) Desert, north base of the Little Chuckwalla Mountains, 1.5 miles east of Graham Pass Road 336 Comment
  JOTR35035  Plantago ovata var. fastigiata La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3488 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road on south-facing bajada among sonoran desert riparian washes. Comment
  RSA48412  Plantago ovata var. fastigiata E. K. Balls 1949-4-2 12897 Riverside Between Mecca and Mortmar on Hwy 111 -61 Comment
  RSA125985  Platanus racemosa E. K. Balls, Percy C. Everett 1957-11-4 22742 Riverside Snow Creek near old Fish Hatchery, north base San Jacinto Mountains. 701 Comment
  CLARK-A1528-1356  Platystemon californicus Cameron Duncan 1966-3-27 Riverside Woodcrest 548 Comment
  RSA652524  Platystemon californicus Dolores Perez 1981-4-11 26 Riverside Cajalco Rd., S. of Lake Matthews. Comment
  UCR35346  Platystemon californicus L. B. Ziegler 1967-4-25 119 Riverside Perris-Aguanga Basin, Pauba Ranch [SE of Temecula in Pauba Valley, off Hwy 79] 381 Comment
  RSA697726  Pleuraphis rigida J. Russell Bruff s.n. Riverside Palm Springs. Comment
  RSA795232  Pleuraphis rigida Justin M. Wood, Dustin M. Ray 2010-10-1 2771 Riverside Sonoran Desert: Chuckwalla Valley northwest of Victory Pass on east side of Kaiser Road +/-1 mile north of Desert Center Landfill at proposed Eagle Mountain Solar Site. 205 Comment
  UC573683  Pleuraphis rigida H. S. Yates 1937-3-23 6442 Riverside 15 mi nne Mecca; Thermal Quadrangle Comment
  CAS-BOT-BC326645  Pleurocoronis pluriseta S. B. Parish 1916-5-13 10831 Riverside Cottonwood Springs, Colorado Desert Comment
  UCR233545  Pleurocoronis pluriseta Jim Andre, Glenn L. Clifton 2011-2-22 17418 Riverside Mecca Hills, along Box Canyon Road, 5.5 mi northeast of town of Mecca 52 Comment
  UC1563108  Pluchea sericea Steve Boyd, Tim Ross, Laurel Arnseth 1989-6-10 3663 Riverside below the dam Temecula Creek canyon; Vail Lake Area 457 Comment
  UCR92591  Pluchea sericea F. M. Reed 1904-6-12 594 Riverside Riverside, along Santa Ana River, near sewer outfall 244 Comment
  RSA653711  Poa annua Scott D. White 2000-3-23 7636 Riverside Coachella Valley, Thousand Palms area: N terminus of Rio del Sol Road at intersection with Vista Chino. Proposed aggregate mine expansion. 152 Comment
  RSA772412  Poa secunda Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4853 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
  UCR241011  Poa secunda Tracy Tennant 1998-3-11 205 Riverside North Hills, Domenigoni Valley area, SE of Winchester 694 Comment
  CAS-BOT-BC242993  Poa secunda subsp. secunda S. B. Parish 1907-4-18 6141 Riverside White [Whitewater?] Canyon, Palm Springs, W edge of Colorado Desert 200 Comment
  UCR243155  Poa secunda subsp. secunda LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4286 Riverside Transverse Ranges; San Bernardino Mountains, 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
  RSA0037399  Poaceae Robert F. Thorne 1966-10-15 41807 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway Comment
  RSA678954  Polycarpon tetraphyllum Scott D. White, Michael Honer 2003-6-3 9460 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 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
  POM153378  Polygonum amphibium var. emersum P. A. Munz, I. M. Johnston 1928-9-12 11261 Riverside Temescal Canyon, Lee's Lake. Comment
  POM319089  Polygonum aviculare subsp. aviculare Patricia Wilder 1971-5-13 4949 Riverside Prado Flood control Basin; along bank at east end of top of Prado Dam. 213 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
  UCR160892  Polygonum fagopyrum T. B. Salvato 2002-10-16 106 Riverside Upper Santa Ana River Basin/San Bernardino Valley, Riverside, residence at 1009 Bascomb Drive 305 Comment
  UCR113610  Polygonum punctatum A. C. Sanders, Mitch Provance, T. B. Salvato 2000-10-5 23718 Riverside Santa Ana River Valley, Hidden Valley Wildlife Area, c. 1/2 mile west of the park office (nature center), near Riverside between La Sierra and Norco 191 Comment
  UCR138159  Polypodium californicum D. L. Banks 1997-3-1 1359 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Pechanga Creek, east of the'Fiesta Grounds' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation 427 Comment
  UCR82905  Polypogon australis A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15799 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  SDSU13614  Polypogon monspeliensis W. Miller, C. Mosse 1972-7-11 Riverside Comment
  UCR174238  Polypogon monspeliensis A. C. Sanders, T. B. Salvato 2006-6-2 33080 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
  RSA674523  Polystichum imbricans subsp. curtum Scott D. White 2000-11-15 8145 Riverside Idyllwild area, 'Strawberry Fuelbreak' between 'Inspiration Pt.' and Strawberry Ck. 1402 Comment
  CAS-BOT-BC6241  Populus fremontii subsp. fremontii Samuel Bonsal Parish 1913-2-28 8471 Riverside Salton Basin, Mecca flats -60 Comment
  UC494534  Populus fremontii subsp. fremontii Philip A. Munz 1931-3-13 11942 Riverside Blythe Comment
  UCR249220  Populus fremontii subsp. fremontii LeRoy Gross, Bart O'Brien 2013-3-18 5951 Riverside Coastal Plains and Basins; San Bernardino Basin Region, Fairmount Park, west side of Lake Evans, Riverside, NE of Mt. Rubidoux 238 Comment
  RSA613642  Porophyllum gracile D. L. Banks, Victor W. Steinmann 1997-3-13 1477 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
  UCR174335  Porophyllum gracile A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32644 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
  UCR266494  Porophyllum gracile Mitch Provance, Robin Kinmont 2015-3-30 315- 28 Riverside Temecula/Murrieta Region, Murrieta Hot Springs, SW base of unnamed hill 0.6 miles W of Skunk Hollow, N side of Murrieta Hot Springs Rd at Chandler Dr., W of the lower watertank. 406 Comment
  UCR119410  Portulaca oleracea Mitch Provance 1998-6-20 751 Riverside Jurupa Mountains, Glen Avon Heights, on the north side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  RSA198980  Potamogeton foliosus Robert F. Thorne 1968-5-8 37593 Riverside Santa Rosa Plateau, Rancho California 610 Comment
  UC70339  Potentilla gracilis Geo. F. Reinhardt June, 1897 Riverside San Jacinto Mountains Comment
  POM13649  Potentilla gracilis var. fastigiata Philip A. Munz 1922-7-6 5986 Riverside San Jacinto Mountains: Tahquitz Valley. 2195 Comment
  RSA0013894  Proboscidea althaeifolia J. S. Stubblefield 1934-9-12 s.n. Riverside Between Desert Center and Blythe. Comment
  RSA0040119  Prosopis glandulosa Joseph Brehm 1933-7-5 4943 Riverside Collected at Dos Palmas ACEC along the north fence, 0.5-1 mile north of Aquafarms. Comment
  UCR45120  Prosopis glandulosa L. F. LaPre 1986-9-25 s.n. Riverside Sonoran (Colorado) Desert, Cabazon Indian Reservation, adjacent to Southern Pacific R.R. tracks, c. 1 mi NW of Mecca, between Buchanan and Lincoln Sts., Coachella Valley 52 Comment
  CAS-BOT-BC206984  Prosopis glandulosa var. torreyana F. P. Cronemiller 1927-5-11 3016 Riverside Oak Park R.S., Cleveland Forest 762 Comment
  UC629761  Prosopis pubescens Annetta Carter 1938-7-16 1430 Riverside 3 mi e Blythe; Palo Verde Valley 76 Comment
  UCR101454  Prunus ilicifolia A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22219 Riverside San Bernardino Mtns., Morongo Indian Reservation, Middle Branch of Millard Canyon 1341 Comment
  CAS-BOT-BC356337  Psathyrotes ramosissima Alice Eastwood 1913-4-30 3118 Riverside Palm Springs Comment
  RSA653709  Psathyrotes ramosissima Scott D. White 2000-3-23 7638 Riverside Coachella Valley, Thousand Palms area: N terminus of Rio del Sol Road at intersection with Vista Chino. Proposed aggregate mine expansion. 152 Comment
  UCR274765  Psathyrotes ramosissima Thomas R. Stoughton, Jackie McConnaughy, Andrew Monks 2010-12-1 723 Riverside Sonoran (Colorado) Desert, Coachella Valley Preserve, c. 0.25 mile east of road. Site #3 305 Comment
  RSA0065465  Psathyrotes ramosissima David B. Dunn 1947-7-12 2976 Riverside Pushawalla Canyon Indio Hills. Comment
  UCR213572  Pseudognaphalium biolettii A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37814 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi. NW (356 deg. ) of intersection of I-15 and Lake St. 549 Comment
  UCR281103  Pseudognaphalium leucocephalum Mitch Provance, Jeremiah George 2017-3-21 317- 08 Riverside Temescal Valley, Horsethief Wash (E branch impeded by development), N of Hwy 15 and NNW of Horsethief Rd., area between Temescal Canyon Rd. and Temescal Creek 357 Comment
  CLARK-A1045-174  Psilocarphus brevissimus George K. Helmkamp 1979-4-27 Riverside Santa Ana Mountains along road; drying mud of vernal pools; Wildomar 7.5'Q Comment
  RSA500095  Psilocarphus brevissimus Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-2 3215 Riverside Vail Lake Area, W end of bench on S flank of Oak Mt. 518 Comment
  SD262211  Psilocarphus brevissimus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317 37 Riverside Perris-Aguanga Basin: Menifee, SE corner of Musick Rd and Murrieta Rd (Romeland 7.5'Q) 454 Comment
  RSA92380  Psilocarphus brevissimus F. W. Peirson 1922-4-29 2949 Riverside South of Lake Elsinore. 381 Comment
  SEINET3407778 Image available Psorothamnus arborescens var. simplicifolius A. Stanley 1969-5-3 48 Riverside 2 miles from Morango Valley Rd. on Dillion Rd. Little San Bernardino Mountains 457 Comment
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Jun 12 2019
  CAS-BOT-BC353634  Psorothamnus emoryi R. F. Hoover 1966-10-15 10158 Riverside Dead Indian Creek wash, south of Palm Desert Comment
  RSA0027503  Psorothamnus emoryi April Garbat, Kristin Forgrave 2013-5-7 64 Riverside Coachella Valley, along Highway 111 in the sandy soil south of the road. Near the large pile of rocks. North of Mt San Jacinto, along the San Gorgonio River. Comment
  SBBG3303  Psorothamnus emoryi H. and M. Dearing 1936-12-25 799 Riverside 1000 Palms Cyn Comment
  UCR163291  Psorothamnus emoryi B. G. Pitzer, G. R. Ballmer 2000-10-14 4237 Riverside Sonoran (Colorado) Desert, large wash c. 5.3 miles east of Ford Lake Rd. and 1 mile west of Wiley's Well Rd., off gasline road c. 200 yards south of Hwy I-10 115 Comment
  JOTR01071  Psorothamnus polydenius Cole, James E. 1941-5-22 769 Riverside Joshua Tree National Park. RUBY LEE MILL SITE 914 Comment
  POM6746  Psorothamnus schottii Philip A. Munz 1919-5-7 2749 Riverside Palm Springs. 183 Comment
  UCD108370  Psorothamnus schottii G. H. Vansell 1928-4-1 s.n. Riverside S. Calif. and Coachella Valley. Comment
  RSA91438  Psorothamnus schottii F. W. Peirson 1921-4-13 566 Riverside Deep Canyon Wash, about 12 miles SE of Palm Springs. 152 Comment
  CAS-BOT-BC340945  Psorothamnus spinosus A. M. White 1974-6-7 1394 Riverside 23 mi. N. Desert Center Comment
  CAS-BOT-BC340951  Psorothamnus spinosus Dr. E. Rixford 1917-4-17 s.n. Riverside Coachella Valley Comment
  UC218673  Pteridium aquilinum var. pubescens P. A. Munz 1922-7-5 6012 Riverside Tahquitz Valley; San Jacinto Mts 2194 Comment
  POM121971  Pterostegia drymarioides Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA778327  Pterostegia drymarioides N. C. Cooper 1944-5-21 1288 Riverside San Jacinto Mountains, West side 915 Comment
  SEINET7073383  Pterostegia drymarioides 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
  UCR91519  Pterostegia drymarioides Scott D. White 1995-4-5 2749 Riverside Perris Valley, Lakeview Mountains; SW of Juniper Flat Road 579 Comment
  UC511836  Purshia tridentata var. glandulosa Frank W. Peirson 1933-4-13 10645 Riverside road from Deep Canyon to Idyllwild 1524 Comment
  CAS-BOT-BC516760  Quercus Jeremiah George 2012-8-7 70812 -5 Riverside Beaumont, Western Knolls, north central slope of eastern half of bench between Hwy 60 and Oak Valley Pkwy, E of Potrero Blvd 747 Comment
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Jan 17 2018
  RSA751250  Quercus X morehus A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35609 Riverside May Valley c. 1.0 mi SW of Fleming Ranch, along dirt track 1555 Comment
  UC5838  Quercus agrifolia Samuel B. Parish 1891-11-4 2276 Riverside Head of Temecula Canyon Comment
  UCD45048  Quercus agrifolia J. C. Lee 1966-4-8 9 Riverside Tree ca. 40 feet tall; El Cariso Guard Station, 32-353 Ortega Highway, Elsinore, Riverside County, California. Comment
  RSA652553  Quercus agrifolia var. agrifolia Gotes 1962-4-3 8 Riverside Riverside City College Comment
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Feb 24 2013
  SDSU13620  Quercus agrifolia var. agrifolia C. Mosse 1972-7-11 Riverside Comment
  UCD45076  Quercus agrifolia var. oxyadenia Maunsell Van Rensselaer 1937-6-24 s.n. Riverside San Jacinto Mountains, Riverside County, California. Comment
  UCR158903  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31554 Riverside San Jacinto Mtns., Poppet Flat below Hwy 74 along Poppet Flat Rd. 1098 Comment
  RSA180379  Quercus berberidifolia E. W. Lathrop 1965-4-4 5643 Riverside 8 miles west of Murrieta-Tenaja Range. Comment
  UCR264646  Quercus berberidifolia Mitch Provance 2012-4-27 412- 16 Riverside The Badlands, Mt. Davis, southwest of Beaumont, about 1 mi S of I-10 and SR-60 interchange, just E of Davis Mountain Dr. and S of Westward Ave. 799 Comment
  UCR273038  Quercus berberidifolia Mitch Provance 2012-1-25 17375 Riverside Badlands of Western Riverside County, San Timoteo Canyon, SW end along SCE powerline access roads between El Casco Substation and the Hwy. 60. 677 Comment
  RSA39262  Quercus cornelius-mulleri P. A. Munz 1946-10-19 11568 Riverside 1 miles east of Anza. 1159 Comment
  UCR18991  Quercus cornelius-mulleri John C. Roos 1965-9-26 s.n. Riverside Santa Rosa Mtns, Pinyon Flats 1220 Comment
  UCR94071  Quercus cornelius-mulleri Scott D. White, D. Haselfeld 1996-7-2 4258 Riverside San Jacinto/Santa Rosa Mtns, Pinyon Flat area, north of Hwy 74, c. 10 road mi east of junction with Hwy 371, west-facing slope of Sugarloaf Mountain and adjacent valley 1402 Comment
  RSA666646  Quercus engelmannii A. C. Sanders, Kent Beaman 2002-5-10 25047 Riverside Santa Ana Mtns., Santa Rosa Plateau: hills west of the head of De Luz Creek, 0.4 mi south of Tenaja Rd. on west side of Calle Roble near Avenida Matorral. 671 Comment
  CAS-BOT-BC105319  Quercus kelloggii Carl Epling 1931-10-4 245 Riverside Strawberry Valley, San Jacinto Mts. 1584 Comment
  CAS-BOT-BC105327  Quercus kelloggii H. E. McMinn 1925-7-2 1499 Riverside Tahquitz Trail to Tahquitz Pk., San Jacinto Mts. Comment
  JOTR31984  Rafinesquia californica La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2219 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; bouldery canyon with sandy wash bottom 731 Comment
  JOTR32185  Rafinesquia californica Harding, Mitzi & Herskovits, Tasya, D. Oquendo 2011-5-5 s.n. 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
  RSA650948  Rafinesquia neomexicana Marion P. Harthill 1973-2-17 1573 Riverside Snow Creek, Palm Springs 366 Comment
  RSA663886  Rafinesquia neomexicana C. R. Annable 1995-3-9 2253 Riverside ca. 14.5km NW of Palm Springs. N slope of Whitewater Hill. Comment
  SBBG8700  Rafinesquia neomexicana H. and M. Dearing 1937-4-10 2865 Riverside ca. 16 mi N of Indio Comment
  UCR214290  Rafinesquia neomexicana A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37483 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
  SEINET1909588  Ranunculaceae A. C. Sanders 2004-1 27558 Riverside Santa Ana Mtns: Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  POM50150  Ranunculus cymbalaria var. saximontanus Albert W. C. T. Herre 1902-7-14 s.n. Riverside Temecula R. near Temecula. Comment
  SEINET270114  Ranunculus hebecarpus Steve Boyd, Tim Ross; Orlando Mistretta 1992-3-31 6759 Riverside San Mateo Canyon Wilderness Area ; Santa ana Mountains Tenaja trail from junction with Morgan Trail south to Pigeon Spring area 67 Comment
  UCR119422  Ratibida Mitch Provance 1998-6-20 708 Riverside Jurupa Mountains, Glen Avon Heights, on the north side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  RSA652630  Rhamnus ilicifolia R. Garner 1974-7-15 s.n. Riverside San Jacinto Mts. Comment
  RSA79404  Rhododendron occidentale Percy C. Everett, L. W. Lenz, E. K. Balls 1952-7-1 17275 Riverside Fuller Mill Creek, 2.4 miles south from Lake Fulmore. 1372 Comment
  SD119922  Rhododendron occidentale Louis B. Ziegler 1969-7-3 384 Riverside San Jacinto Mountains, North Fork of the San Jacinto River. 1890 Comment
  POM15029  Rhododendron occidentale var. californicum Mary F. Spencer 1922-6-26 698 Riverside pr. [=near] Idyllwild. 1524 Comment
  UCR26962  Rhus integrifolia E. W. Lathrop 1966-3-23 6074 Riverside Peninsular Range; Santa Ana Mtns, Skyline Drive, 4 mi west of Corona between Tin Mine Canyon and Santiago Peak 610 Comment
  UC1130532  Rhus ovata A. Lewis 1934-3-4 305 Riverside Tin Mine Canyon; Cleveland National Forest 701 Comment
  RSA336423  Rhus trilobata var. anisophylla R. F. Thorne, Avi Shmida, Robert Whittaker 1978-4-23 52080 Riverside Just E of Palm Desert. Comment
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Apr 24 2011
  POM12883  Ribes cereum P. A. Munz 1922-7-6 6002 Riverside San Jacinto Mountains: Tahquitz Valley. 2195 Comment
  POM161525  Ribes cereum Ralph Hoffmann 1929-9-6 s.n. Riverside San Jacinto Mountains 2591 Comment
  UC69861  Ribes cereum H. M. Hall May 17 1901-Jun 1 1901 1914 Riverside Santa Rosa Peak Comment
  SD152829  Ribes malvaceum var. viridifolium Steve Boyd, Tim Ross 1992-5-5 7237 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, eastern portions of Oak Flats along the Bluewater Trail 730 Comment
  CAS-BOT-BC212608  Ribes montigenum Edmund C. Jaeger 1921-6-19 s.n. Riverside Round Valley, San Jacinto Mountains 2743 Comment
  RSA0022095  Ribes montigenum J. R. Bruff 1934-7-5 s.n. Riverside San Jacinto Mt. 3293 Comment
  POM12661  Ribes nevadense P. A. Munz 1922-9-6 6384 Riverside North fork of Tahquitz Creek. 2210 Comment
  UC11634  Ribes nevadense H. M. Hall 1897-6-18 Riverside Strawberry Valley San Jacinto Mountains Comment
  UCR35280  Ribes nevadense L. B. Ziegler 1970-5-20 401 Riverside San Jacinto Mtns, North Fork of the San Jacinto River (Dark Canyon). 1677 Comment
  SBBG34236  Ribes roezlii T. L. Secrest 1951-5-20 Riverside Idyllwild 1524 Comment
  UCSB7023  Ribes speciosum Gill, Robert 1959-3-14 Riverside Road to Black Star Canyon; Santa Ana Mt. Range 365 Comment
  RSA262064  Romneya coulteri E. W. Lathrop 1966-3-23 6079 Riverside Skyline Drive, 4 mi. W of Corona, Tine Mine Canyon 305 Comment
  UCD169364  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
  SD145977  Rorippa curvipes A. C. Sanders, Mitch Provance 1999-9-26 23112 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. south-east of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  UCR110381  Rorippa curvipes A. C. Sanders, Mitch Provance 1999-9-26 23112 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  CLARK-A1528-5386  Rorippa nasturtium-aquaticum John C. Roos 1948-4-24 3795 Riverside Whitewater Comment
  RSA708220  Rosa californica Scott D. White, Angelia Carey 2004-5-7 10334 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 549 Comment
  RSA735929  Rubus discolor Scott D. White, Justin M. Wood 2008-5-29 12042 Riverside Beaumont Badlands: West of Beaumont, near SR-60 crossing over San Timoteo Creek. 610 Comment
  UCR132712  Rubus ursinus A. C. Sanders, O. F. Clarke 1991-6-10 11125 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  RSA784735  Rumex Duncan S. Bell 2012-3-18 3202 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
  OBI32610  Rumex conglomeratus O. F. Clarke 1972-5-28 s.n. Riverside Residence of O.F. Clarke, 1012 Spruce St, Riverside Comment
  UCR3241  Rumex hymenosepalus Bob Brownell 1964-5-15 s.n. Riverside Colton [south of], 3 mi from Washington Ave up Reche Canyon Rd. 366 Comment
  UCR26533  Rumex salicifolius var. salicifolius A. C. Sanders, S. Hagopian 1981-5-20 568 Riverside Perris-Aguanga Basin, S side of Pauba Valley, within l mi of Hwy 71 bridge over the Temecula River 367 Comment
  SD224912  Sagina apetala A. C. Sanders, G. K. Helmkamp 1996-3-17 17980 Riverside Coachella Valley: Palm Springs, weeds in landscaping of shopping center at SE corner of Raquet Club Dr. and Palm Canyon Dr. 188 Comment
  POM78925  Sagittaria latifolia I. M. Johnston 1925-7-7 5288 Riverside Santa Ana River ca. 3 miles S of Wineville [Mira Loma Station]. 183 Comment
  RSA777330  Salazaria mexicana Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 827 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' Old mine access road 534 Comment
  RSA0059625  Salicornia subterminalis Steve Boyd, Dave Bramlet 1996-4-19 8609 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  UCR138719  Salix exigua Julie A. Greene 1993-4-17 1220 Riverside San Jacinto Valley, San Jacinto Wildlife Area. west of San Jacinto River, west of Davis Rd 439 Comment
  RSA0010968  Salix exigua var. exigua F. M. Reed 1925-3-17 4952 Riverside Tahquitz Canyon - Palm Springs. Comment
  CAS-BOT-BC108112  Salix gooddingii C. F. Baker 1903-4-4 4146 Riverside Elsinore Comment
  RSA710825  Salix gooddingii A. C. Sanders 2005-5-4 29837 Riverside Gavilan Hills near Riverside: ca. 1 km east and southeast of Gavilan Peak 625 Comment
  RSA714426  Salix gooddingii A. C. Sanders 2004-5-12 27866 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  SEINET244839  Salix gooddingii A. C. Sanders, Mark Elvin; Julie M. Vanderwier 2002-4-16 24971 Riverside The Badlands; Hills and canyons west of Laborde Canyon, 1 mi NE of Eden Hot Springs, SW of Beaumont Comment
  UC498077  Salix gooddingii Philip A. Munz 1932-3-24 12032 Riverside n Elsinore 304 Comment
  RSA0030853  Salix gooddingii Ivan M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. 457 Comment
  RSA543185  Salix laevigata Steve D. Boyd 1991-3-17 5502 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  UCR112471  Salix laevigata A. C. Sanders, T. B. Salvato 2000-5-30 23433 Riverside Menifee Valley, S of Newport Rd., north of Holland Rd. and east of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR39229  Salix laevigata George K. Helmkamp 1985-4-5 274 Riverside Sonoran (Colorado) Desert; Little San Bernardino Mtns., South of Morongo Valley. Big Morongo Canyon 4 mi downstream from the Big Morongo Reserve Kiosk 579 Comment
  SEINET272324  Salix lasiolepis A. C. Sanders, G Helmkamp 1997-3-15 19966 Riverside Lake Skinner Area; lower Rawson Canyon along the dirt road toward Bachelor Mtn. UTM 10km cell: MH-9E 1N. Skinner Reser 457 Comment
  UC914203  Salix lasiolepis Charles B. Fiker 1946-2-19 3337 Riverside 35 mi. air-line from coast and near Santa Rosa Summit 1341 Comment
  SD227794  Salsola tragus Scott D. White, Pam Devries 1998-2-9 6074 Riverside La Quinta /Palm Desert Area: Whitewater River Channel at and near Miles Ave. crossing. 17 Comment
  UC52475  Saltugilia splendens subsp. splendens H. M. Hall Aug 1896 Riverside Strawberry Valley San Jacinto Mountains, Strawberry Valley Comment
  RSA125970  Salvia apiana var. compacta E. K. Balls, P. C. Everett 1957-11-4 22748 Riverside Snow Creek near old Fish Hatchery, north base San Jacinto Mountains. 701 Comment
  RSA401471  Salvia columbariae N. C. Cooper 1944-3-25 1005 Riverside Morongo Pass. 457 Comment
  RSA401482  Salvia columbariae Robert M. Perkins 1937-4-15 s.n. Riverside Whitewater Creek, along the road. Comment
  RSA651679  Salvia columbariae J. Bruce Smiley 1940-3-16 s.n. Riverside Whitewater. 762 Comment
  RSA784942  Salvia columbariae Duncan S. Bell 2012-2-12 3120 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  UCR124649  Salvia columbariae B. C. Templeton, I. W. Clokey 1930-4-9 1004 Riverside Sonoran (Colorado) Desert, San Gorgonio Pass, near Palm Springs Station 305 Comment
  UCR154395  Salvia columbariae A. C. Sanders, Mike Misenhelter 2005-6-15 30973 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
  UCR244313  Salvia columbariae Jim Andre 2012-4-16 20888 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd., 1.0 mi. north of south entrance to J.T.N.P. 584 Comment
  RSA82425  Salvia eremostachya F. W. Peirson 1933-4-13 10643 Riverside Deep Canyon to Idyllwild, Santa Rosa Mountains 1372 Comment
  RSA171386  Salvia greatae J. C. Roos 1963-9-9 s.n. Riverside Desert wash at Salt Creek Wash. 152 Comment
  UCR279601  Salvia greatae A. C. Sanders, Jim Malusa 2017-3-28 43141 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  UCSB21139  Salvia vaseyi Keefe, Joseph 1967-3-23 Riverside Whitewater Canyon Road; 1.9 miles north of U.S. Highway 99; east of Banning 609 Comment
  UCR174060  Sanicula crassicaulis A. C. Sanders 2006-5-19 32455 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
  UCR219984  Sarcostemma cynanchoides A. C. Sanders, D. L. Sanders 2010-11-28 38701 Riverside Peninsular Range; NW Gavilan Hills, Angel Canyon Falls, above Home Gardens at the western edge of Riverside, 4.8 km NW (303 deg. ) of Lake Mathews dam, above intersection of Lincoln St. & Indiana Ave. 279 Comment
  UC708738  Sarcostemma cynanchoides subsp. hartwegii H. K. Wagnon 1944-5-25 391 Riverside near falls n. side Tahquitz Canyon; Palm Springs Comment
  UCR159888  Sarcostemma hirtellum Scott D. White 1999-4-20 7278 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
  RSA674759  Schedonorus arundinaceus Scott D. White, Teresa Salvato 2001-6-8 8571 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  UCR113624  Schinus terebinthifolius O. F. Clarke 2000-10-4 s.n. Riverside Santa Ana River Valley, Hidden Valley Nature Center, c. 1/2 mile west of the park office (nature center), near Riverside between La Sierra and Norco 191 Comment
  CHSC109029  Schismus arabicus Justin M. Wood; J. Miner 2010-4-29 1531 Riverside Coachella Valley; Bermuda Dunes; near intersection of Avenue 38 and Varner Rd. 40 Comment
  SD240813  Schismus arabicus Dave Silverman 2010-3-24 7832 Riverside South Palen Lake, Chuckwalla Valley, 4.3 lm SE of Sidewinder Well, 2.0 km SW of Palen Dunes Drive, and 4.6 km N of Interstate 10. 130 Comment
  SEINET10867937  Schismus arabicus Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-22 Holmgren 6464 Riverside Rice Valley, 7 mi S-SW of Rice. Sand dunes; common. Culms and leaves prostrate. 274 Comment
  CLARK-A1528-922  Schismus barbatus Patricia A. Andrews 1975-3-13 5900 Riverside Rubidoux Comment
  RSA0023242  Schismus barbatus Jim Andre 2013-3-4 23866 Riverside Sandy bluffs overlooking Colorado River, 0.2 miles east of Hwy 95, just south of Riverside Mountains, just north of Queen Sable Point. 96 Comment
  RSA0110188  Schismus barbatus Duncan S. Bell 2010-4-2 709 A Riverside Arica Mountains: west side of mountain range within the Palen/McCoy Wilderness; approximately 2.5 air miles northwest of Priest Well; collecting along a steep sand ramp at the head of the main western drainage for the mountain range. 559 Comment
  RSA776627  Schismus barbatus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 941 Riverside Wash crossing Midland Rice Road, near saddle between Little Maria Mountains and Big Maria Mountains 320 Comment
  SEINET11681573  Schismus barbatus Unknown 1936-1 12842 Riverside Colorado Desert 5 mi N of Palm Springs Comment
  UCR89807  Scirpus microcarpus Scott D. White 1993-5-27 1416 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  HSC21133  Scrophularia californica D. W. Snell 1964-3-26 19 Riverside 1.5 mi. E of Hwy. 79, 5 mi. S of Hemet. Comment
  RSA650275  Scrophularia californica W. A. Reinke 1971-5-8 s.n. Riverside 7mi. N. of 2nd St. on [Highway] 71-74, Elsinore. Comment
  RSA425200  Scrophularia californica subsp. floribunda N. C. Cooper 1944-5-20 1257 Riverside Palms to Pines Hwy. San Jacinto Mts. 1433 Comment
  UCR202587  Scutellaria siphocampyloides Scott D. White, Justin M. Wood 2008-7-8 12378 Riverside San Jacinto Mountains, Hurkey Creek Watershed - Bonita Vista Road, c. 1/2 mi east and west of Hurkey Creek crossing 1537 Comment
  RSA586116  Scutellaria tuberosa D. L. Banks, Steve D. Boyd 1995-4-5 156 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, W of the Dripping Springs Trail. 503 Comment
  CLARK-A1528-23  Selaginella bigelovii Fred B. Essig 1967-5-7 Riverside Riverside 457 Comment
  OBI8327  Selaginella bigelovii David J. Keil, Malcolm McLeod 1977-3-26 K 12027 Riverside 0.7 mi. W of juctn. with Riverside county Rd. R-3 (to Hemet) along Calif. Rt. 79 Comment
  POM177829  Selaginella bigelovii Marcus E. Jones 1930-3-3 26520 Riverside Santa Ana Mountains Comment
  POM276868  Selaginella bigelovii Lyman Benson 1945-4-6 11658 Riverside Whitewater Canyon, 3 miles above Whitewater. 427 Comment
  SBBG32469  Selaginella bigelovii L. S. Rose 1966-12-14 66107 Riverside Chino Cyn, 3 mi W of Palm Springs Desert 670 Comment
  UCR131828  Selaginella bigelovii Jennie Phui 1998-5-30 030 Riverside San Bernardino Mtns./San Gorgonio Pass, Morongo Indian Reservation, eastern fork of Lion Canyon, 3 miles up Lion Canyon road north of I-10 Fwy 600 Comment
  POM950  Selaginella bigelovii E. Robinson, Crocker 1916-3-20 s.n. Riverside Santa Ana Mtns. Comment
  RSA0119892  Selaginella eremophila Duncan S. Bell, Thomas Stoughton 2016-4-12 9223 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-BC323968  Senecio flaccidus var. douglasii Lewis S. Rose 1938-12-25 38349 Riverside 31 mi W of Indio, Palms to Pines Highway, San Jacinto Mts. 1280 Comment
  SD43521  Senecio flaccidus var. monoensis Philip A. Munz 1946-10-20 11577 Riverside Palms to Pines Highway at north base of Santa Rosa Mountains. 1035 Comment
  SEINET5584421  Senecio lemmonii Stephen Hale 2010-1 Riverside Along power line, adjacent to State Route 95 110 Comment
  RSA757983  Senecio mohavensis Doug Goldman 2005-3-3 3042 Riverside Box Canyon, along the west side of Box Canyon Road, around 10 miles southwest of the intersection with Interstate 10 and around 0.7 miles southeast of Blake Hill 268 Comment
  UC219243  Senecio mohavensis Edmund C. Jaeger 1922-3-4 1106 Riverside Painted Canyon near Mecca; Painted Canyon Comment
  RSA719243  Senna armata Michael Honer, L. Hulse 2004-4-3 1909 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. Peninsular Ranges, San Ysidro Mountains: W side of Otay Mtn; 1.5 km SSE of Savage Dam (Otay Lake); N of County Prison; near tributary to Otay River, N of O'Neal Canyon. 610 Comment
  UCR110372  Sesuvium verrucosum A. C. Sanders, Mitch Provance 1999-9-26 23121 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  UCR84473  Sesuvium verrucosum Steve Boyd, D. Banks 1994-9-29 8372 Riverside Lake Elsinore, Floodplain east of dike along San Jacinto River, west of Sedco Hills community 381 Comment
  CAS-BOT-BC205599  Sidalcea malviflora A. C. Sanders; Steven R. Hill 2001-5-4 24143 Riverside Santa Ana Mtns. region: W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Crk. Dr.), E side of Rancho C. Rd. 488 Comment
  UCR102845  Sidalcea malviflora A. C. Sanders 1997-4-3 20152 Riverside Lake Skinner area, near north foot of Black Mountain, slopes south of Crown Valley 726 Comment
  CLARK-A1528-3240  Sidalcea malviflora subsp. sparsifolia Aleena M. Tarshis 1977-4-23 Riverside Murrieta 457 Comment
  RSA180240  Sidalcea malviflora subsp. sparsifolia E. W. Lathrop 1965-4-4 5616 Riverside 8 miles west of Murrieta Comment
  RSA768656  Sidalcea malviflora subsp. sparsifolia Justin M. Wood 2010-3-19 1429 Riverside Beaumont: Near Smith Creek, E of Sun Lakes off S Highland Home Rd. 747 Comment