Search Results — 2000 specimen records retrieved (1893 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA384211  Abies concolor Albert J. Perkins 1916-9-12 s.n. Riverside Dutch Flat - San Jacinto Mts. Comment
  CAS-BOT-BC229345  Abronia villosa Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring [Springs] 60 Comment
  CSUSB1075  Abronia villosa Robert A. Clark 1966-3-5 3566 2 Riverside Mecca rural; 2 miles east of Mecca on State Highway 195 on marginal agricultural land adjacent to Creosote bush scrub. -57 Comment
  SBBG69816  Abronia villosa R. Hoffmann 1929-9-11 Riverside Thomas Valley Comment
  POM728  Abronia villosa var. aurita P. A. Munz 1918-4-27 2131 Riverside Temescal Canyon. Comment
  RSA667026  Abronia villosa var. aurita A. C. Sanders, Mitch Provance 1999-9-26 23086 Riverside Lake Hemet, north shore at FS day use area 1323 Comment
  SEINET946027  Abronia villosa var. aurita Ira W. Clokey, E. G. Anderson 1935-1 6609 Riverside Hemet. 500 Comment
  UCD109810  Abronia villosa var. aurita R. N. Raynor 1933-3-31 s.n. Riverside Colorado desert, east of Palm Springs. Comment
  UCR59503  Abronia villosa var. aurita Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3240 Riverside Peninsular Range, Vail Lake area, sandy valley at NE end of lake, north of Wilson Creek 488 Comment
  RSA760970  Abronia villosa var. villosa Thomas Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-22 155 Riverside N of I-10. Approx. 1.5 miles up Corn Springs Rd. 213 Comment
  UCR234810  Abronia villosa var. villosa Jim Andre, Glenn L. Clifton 2011-2-22 17467 Riverside Coachella Valley, just south of Hwy I-10 at Amtrak train station parking , just west of North Indian Canyon Drive 186 Comment
  UCR6390  Abutilon theophrasti O. F. Clarke 1967-6-9 s.n. Riverside Riverside, O.F. Clarke residence at 1012 Spruce Street 366 Comment
  CAS-BOT-BC30910  Acamptopappus sphaerocephalus Howard Walton Clark 1926-6-1 s.n. Riverside Indio Comment
  RSA221045  Acer macrophyllum E. W. Lathrop 1968-5-8 6427 Riverside 3 miles SW of Corona, Hagador Canyon, Cleveland Nat'l Forest, Trabuco District. 274 Comment
  CHSC35845  Achnatherum coronatum Paul Bailey 1972-5-14 124 Riverside 5 miles NE of Temecula near Rancho Calif. Drive, Tucalota Hills. 457 Comment
  UC817841  Achnatherum hymenoides Ivan Johnston Apr 4 1917-Apr 6 1917 1098 Riverside Whitewater Colorado Desert (in sands about station) Comment
Read comments
Feb 3 2013
  CAS-BOT-BC210884  Achnatherum parishii subsp. depauperatum H. M. Hall 1901-6-1 2309 Riverside San Jacinto Mountains. Near Tauquitz [Tahquitz] 2133 Comment
  POM123139  Achyronychia cooperi George B. Grant 1906-4-20 6707 Riverside Palm Springs. Comment
  UCR134609  Achyronychia cooperi Marisa Sripracha, Kyle Boyd 2004-2-14 032 Riverside Sonoran (Colorado) Desert, Myoma, on the Thousand Palms Preserve, near the palm oasis just off Thousand Palms Drive 190 Comment
  SEINET1004352  Acmispon americanus var. americanus A. C. Sanders, Mike Misenhelter 2004-1 28827 Riverside Santa Ana Mtns./Santa Rosa Plateau: hill 2139 at west end of Mesa De Colorado, private land on the west side of Via Volcano adjacent to the Santa Rosa Plat. Ecol. Reserve 640 Comment
  JOTR31171  Acmispon glaber var. brevialatus La Doux, Tasha 2009-6-3 1874 Riverside Joshua Tree National Park. (Stop 6): Little San Bernardino Mountains, Covington Flats Area, dry ephemeral wash near parking area 1426 Comment
  GMDRC6566  Acmispon heermannii var. heermannii J. M. Andre 2012-6-15 30522 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
  RSA0120317  Acmispon maritimus var. brevivexillus Duncan S. Bell, Thomas Stoughton 2016-3-16 8954 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central/southeastern section of range, approximately 2.5 air miles north of Gucci Spring. 511 Comment
  SD70398  Acmispon maritimus var. brevivexillus W. L. Jepson 1927-4-12 11640 Riverside Painted Canyon, north of Mecca. 75 Comment
  SBBG120129  Acmispon micranthus A. C. Sanders, K. Volansky 2005-3-17 29205 Riverside French Valley, SE of Winchester Rd (Hwy 79) between Thompson Rd and Benton Rd, ca. 0.5 mi NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  CHSC888  Acmispon rigidus V. Holt 1937-4-10 Riverside Santa Rosa mountains. Comment
  SBBG63753  Acmispon rigidus M. N. Ackley 1928-4-3 548 Riverside Clary's Cyn 243 Comment
  SBBG34207  Acmispon strigosus T. L. Secrest 1951-5-20 Riverside Idyllwild 1524 Comment
  SD137774  Acmispon wrangelianus Darin L. Banks, Steve Boyd 1995-5-9 319 Riverside NW Palomar Mtns., N of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., the Dorland Mtn area, W of the Dripping Srpings Alcove area, W of Woodchuck Campground. 730 Comment
  SEINET8722549 Image available Adenostoma fasciculatum Jean Coulson 1959-1 86 Riverside San Jacinto Mts. , Riverside County, California. 0.2 mi. E. of N. Fork of San Jacinto R. , on Highway 74. N. side of road. Comment
  RSA390498  Adenostoma fasciculatum var. fasciculatum N. C. Cooper 1949-6-29 4309 Riverside West of Pinon Flats, San Jacinto Mountains. 1524 Comment
  RSA608236  Adenostoma fasciculatum var. fasciculatum Steve D. Boyd, Bart O'Brien 1998-1-13 10070 Riverside Santa Ana Mountains: north end of the range, ESE of Sierra Peak along Main Divide Road (3S04), ca. 0.6 mi from summit of peak on divide between Fresno and Fremont canyons. 915 Comment
  POM613  Adenostoma sparsifolium E. E. Schellenger 1901-07 s.n. Riverside Riverside. Comment
Read comments
Jun 18 2011
  UCSB39101  Adenostoma sparsifolium Jorgensen, Jan 1982-1-19 Riverside 6 kilometers up Santa Rosa Mountain Road from highway 74, near Palm Desert, San Jacinto Mountains. 548 Comment
  RSA592676  Agave deserti subsp. deserti Scott D. White 1996-7-2 4253 Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  RSA696465  Agave deserti subsp. deserti J. R. Bruff 1934-7-5 s.n. Riverside San Jacinto Mountain Comment
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Nov 7 2015
  RSA750595  Agave deserti subsp. deserti K. M. Meyer, A. Townesmith, T. Scott 2007-3-19 21 Riverside San Bernardino National Forest. San Jacinto Ranger District, Sawmill Trailhead, about 0.3 mi. along Pinyon Flats Transfer Station Rd., off of Route 74. 1232 Comment
  SEINET5641187  Agave deserti var. deserti Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28527 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 1234 Comment
  RSA192013  Agoseris heterophylla var. heterophylla E. W. Lathrop 1966-5-8 6267 Riverside 5 miles west of Murrieta. Comment
  POM17824  Agoseris retrorsa P. A. Munz, D. Keck 1923-6-14 7075 Riverside Glen Ivy Trail to Santiago Peak. 1584 Comment
  CAS-BOT-BC139354  Agrostis idahoensis Carl B. Wolf 1932-8-5 3945 Riverside San Jacinto Mountains. Along trail from Tahquitz Valley to San Jacinto Peak. 2621 Comment
  OBI32757  Agrostis pallens E. W. Lathrop 1965-5-23 5770 Riverside 9 mi W of Murrieta Comment
  POM1150  Agrostis pallens H. M. Hall 1901-1 2375 Riverside San Jacinto Mountains: south side. 1677 Comment
  RSA644194  Agrostis pallens Scott D. White, Mike Wilcox 1995-6-11 3462 Riverside Santa Ana Mts; Southwest of Main Divide Truck Trail, upper forks of Decker Canyon. 731 Comment
  UC36992  Agrostis viridis H. M. Hall June, 1901 2275 Riverside along watercourses San Jacinto Mountains, vicinity of Strawberry Valley 1615 Comment
  UCR175070  Ailanthus altissima Teresa Nieto 2005-5-26 26 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  UCR72781  Alchemilla arvensis Joe Di Bernardo 1992-4-16 92- 2 Riverside Sonoran (Colorado) Desert, Coachella Valley, Palm Desert, condominium complex at Mountain Shadows Golf Course Comment
  UCR85385  Allenrolfea occidentalis A. C. Sanders, P. J. MacKay, G. K. Helmkamp, J. M. Stewart, C. L. Sanders 1994-12-4 15881 Riverside Sonoran (Colorado) Desert, Salton Trough: Dos Palmas oasis area, San Andres palm grove, 1.75 km (1.1 mi) WSW of Rancho Dos Palmas, marked 'seep' on Durmid Q. -23 Comment
  UCR100871  Allionia incarnata George K. Helmkamp, E. A. Helmkamp 1998-2-18 2703 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  UCR180305  Allionia incarnata Scott D. White, Andrea Warniment (Edwards) 2006-3-22 11264 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway / McNaughton Parkway interchange, north of the I-10 Freeway 152 Comment
  UCR21298  Allium burlewii A. C. Sanders, K. Berg 1980-5-1 1347 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley area, 1.8 mi NE of Kenworthy Ranger Station on Morris Ranch Road 1616 Comment
  UCR98433  Allium cratericola G. R. Ballmer, Kay Stockwell 1995-6-25 s.n. Riverside San Jacinto Mtns, Pacific Crest Trail, near Pyramid Peak [c. 3 km (airline) SSE of Palm View Pk.--A. C. Sanders] 2134 Comment
  UCR16036  Allium fimbriatum B. A. Carlson 1978-5-13 s.n. Riverside Santa Rosa Mtns., N of Hwy 74 & 20 m south of Pinyon Flat Campground boundary. 1220 Comment
  CAS-BOT-BC469251  Allium fimbriatum var. fimbriatum Peter H. Raven 1958-5-18 12984 Riverside Pinon Flats, San Jacinto Mountains Comment
  JOTR31045  Allium fimbriatum var. fimbriatum La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2028 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
  UCR228840  Allium haematochiton A. C. Sanders, T. B. Salvato 2011-4-27 39339 Riverside Peninsular Range, south side of Alberhill Mountain in vicinity of Durant Siding and Terra Cotta, near Nichols Rd. and extension (under construction) toward Lake St. 390 Comment
  RSA543597  Allium munzii Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6129 Riverside Gavilan Hills, SE end of range, E of Arroyo del Toro. N-facing slope of low hill. 488 Comment
  JOTR30919  Allium parishii La Doux, Tasha, Bill Truesdell 2008-4-29 2595 Riverside Joshua Tree National Park. Little San Bernardino mountains, north end of Quail Mountain; Steep rocky slopes above side canyon, south of Johnny Lang Canyon (Stop 7) 1208 Comment
  POM1634  Allium peninsulare var. peninsulare I. M. Johnston 1918-4-27 1884 Riverside Temescal Canon (Between Elsinore and Corona) 366 Comment
  UC843420  Allium peninsulare var. peninsulare I. W. Clokey, E. G. Anderson 1935-4-16 6550 Riverside e Hemet 640 Comment
Read comments
May 11 2010
  RSA543140  Allium praecox Steve Boyd 1991-3-17 5505 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
  RSA85583  Allium praecox J. C. Roos 1952-4-2 5468 Riverside Box Springs grade east of Riverside. 427 Comment
  UCR142694  Allophyllum Scott D. White, Et al. 1995-6-16 3332 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
  HSC86857  Allophyllum divaricatum K. Harper 1988-5-14 Riverside San Jacinto Mtns. along Hwy. 243, 1-2 mi. below Mt. Edna turn off Comment
  SBBG36321  Allophyllum gilioides T. L. Secrest 1951-5-20 Riverside San Jacinto Mtns 1219 Comment
  UCR220336  Alopecurus saccatus D. E. Bramlet 1992-4-29 2257 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto Valley, 8 km SW of Hemet, NW of the intersection of California Ave. and Stowe Rd., c. 250 ft. north of Stowe Rd. and c. 350 ft. west of California Ave. 456 Comment
  UCR17688  Alternanthera caracasana O. F. Clarke 1965-10-12 s.n. Riverside Riverside, residential garden of O.F. Clarke, 1012 Spruce Street 306 Comment
  RSA653141  Alternanthera philoxeroides J. Zamora, Al Acosta 1999-9-29 s.n. Riverside Riverside: Santa Ana River, under the NW end of the Market St. bridge. 244 Comment
  RSA793469  Amaranthus albus Duncan S. Bell 2012-9-13 4193 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  UCR100380  Amaranthus albus A. C. Sanders, T. Tennant, A. Montalvo & B. Wagner 1997-11-20 21608 Riverside Lake Skinner Reserve area, Diamond Valley, canyon along Rawson Road going into hills toward Crown Valley 518 Comment
  POM307317  Amaranthus fimbriatus Henry J. Ramsey, Henry J. Ramsey 1939-10-1 2222 Riverside East of Indio. Comment
  RSA2871  Amaranthus fimbriatus C. B. Wolf 1931-10-14 2455 ` Riverside Snow Creek 1/2 mi. below the Fish Hatchery N base of San Jacinto Mountains. 549 Comment
  UCR115993  Amaranthus watsonii A. C. Sanders, G. K. Helmkamp, Pam MacKay 1995-3-12 16077 A Riverside Sonoran (Colorado) Desert, Coachella Valley, agricultural area along Ave. 78, 0.4 mi west of Hwy 86 and1.5 mi NW of Oasis, east of Filmore St. -37 Comment
  CAS-BOT-BC13614  Ambrosia acanthicarpa Lewis S. Rose 1966-12-11 66094 Riverside Palm Springs 152 Comment
  RSA33313  Ambrosia acanthicarpa N. C. Cooper 1943-10-9 958 Riverside Hemet. 305 Comment
  CAS-BOT-BC22610  Ambrosia dumosa Samuel B. Parish 1907-4-23 6092 Riverside Palm Springs, Colorado Desert Comment
  JEPS30513  Ambrosia dumosa Donald Kyhos 1958-2-15 58 -11 Riverside Corn Springs Comment
  JOTR31808  Ambrosia dumosa La Doux, Tasha, Bill Truesdell 2007-11-9 2516 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park, open bajada below mouth of Lost Palms Canyon (Stop 2) 601 Comment
  POM250429  Ambrosia dumosa I. W. Clokey 1935-4-17 6729 Riverside Mecca to Shaver's Well Comment
Read comments
Apr 24 2011
  RSA0112109  Ambrosia dumosa Duncan S. Bell, Amanda Turek 2009-3-30 190 Riverside South end of the Arica Mountains; approximately 1.5 air miles southwest of Priest Well. 365 Comment
  RSA302651  Ambrosia dumosa J. R. Shevock 1972-3-13 1403 Riverside Hwy 111, near Palm Springs 183 Comment
  RSA774505  Ambrosia dumosa Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4428 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
Read comments
May 26 2013
  SEINET6738614 Image available Ambrosia dumosa I. W. Clokey 1935-4-17 6729 Riverside Mecca-Shafer Wells Comment
  HSC47331  Ambrosia ilicifolia Richard Spjut, C. E. Edson 1978-5-6 5024 Riverside Colorado Desert; N face of Chuckawalla Mountains, ca. 2.7 miles south of Desert Center 335 Comment
  SD122972  Ambrosia psilostachya Steve Boyd 1985-8-7 1104 Riverside Northwest base of Redonda Mesa on Tenaja Road; 0.8 miles east of junction with 8S01 and 8S02. Comment
  CAS-BOT-BC273019  Ambrosia salsola Marian L. Campbell 1921-3-19 62 Riverside Palm Springs Comment
  CAS-BOT-BC273022  Ambrosia salsola F. O. Ballou 1926-2-27 s.n. Riverside Old Beach Line at base of Santa Rosa Mts near Fish Springs Comment
  CAS-BOT-BC273032  Ambrosia salsola Aven Nelson; Ruth Nelson 1939-3-22 3220 Riverside Near Palm Springs Comment
  SFV6309  Ambrosia salsola T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 48 Riverside Little San Bernardino Mountains Little San Bernardino Mountains. Berdoo Canyon. Sandy wash. Comment
  UCR167257  Ambrosia salsola John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, WNW of Rancho Dos Palmas between Coachella Canal siphons 29 and 30 24 Comment
  UCR243154  Ambrosia salsola LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4285 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
  LA212171  Ambrosia salsola A. Lee Haines; 1973-3-24 s.n. Riverside Whitewater River Canyon. 426 Comment
  SEINET238514  Ammannia coccinea A. C. Sanders, Mitch Provance 1999-9-26 23114 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd. 1.4 mi. S of Eden H 433 Comment
  RSA606084  Amorpha fruticosa R. S. Woglum 1941-5-14 3039 a Riverside Peninsular Ranges / Sonoran Desert transition: Coyote Canyon. Comment
  CDA7723  Amsinckia intermedia Richard W. Shaffer 2008-2-25 PDR# 1262475 Riverside Themal, Avenue 66 & Pierce Street 0 Comment
Read comments
May 21 2016
  RSA523552  Amsinckia intermedia G. H. True 1936-2-22 10 Riverside Mockingbird Canyon [in or near City of Riverside -SDW] 457 Comment
  RSA770316  Amsinckia intermedia Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4407 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell., Between N33.94217, W116.64118 and N33.94722 W116.64306 487 Comment
  SD186123  Amsinckia intermedia A. C. Sanders, T. B. Salvato and Mitch Provance 2003-4-4 25834 Riverside Jurupa Mountains, hill southwest of the Jensen Quarry, northwest of Sunnyslope. 366 Comment
  SD6721  Amsinckia intermedia Daniel Cleveland Apr 1887 Riverside San Jacinto Comment
  UCR234334  Amsinckia intermedia A. C. Sanders, John F. Green 2012-3-26 40000 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, mouth of a small canyon between Horsethief Canyon and I-15 Fwy crossing of Temescal Wash, west of Hostettler Rd. 369 Comment
  RSA0089919  Amsinckia menziesii Justin M. Wood 2008-12-2 265 Riverside City of Temecula, Murrieta Creek, downstream of 1st street bridge. 290 Comment
  RSA0091473  Amsinckia tessellata C. L. Hitchcock 1940-4-2 5912 Riverside Cottonwood Spring wash, Joshua Tree National Monument. Comment
  POM115619  Amsonia brevifolia var. tomentosa A. M. Alexander, Louise Kellogg 1941-5-23 2225 Riverside one-half mile north of cottonwood spring, Eagle mountains. 915 Comment
  SBBG55836  Anagallis arvensis S. LaBonde 1963-4-7 17 Riverside 4 mi NE of Palm Springs on the Palm Desert Hwy 60 Comment
Read comments
Mar 31 2014
  RSA757457  Anagallis minima Robert F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55198 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de Colorado 625 Comment
  RSA500099A  Ancistrocarphus filagineus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3211 Riverside Vail Lake Area, W end of bench on S flank of Oak Mt. 518 Comment
  SD134507  Ancistrocarphus filagineus Craig Reiser 1991-4-25 Riverside Just S of Harford County Park, S of Daleona Road Comment
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Mar 4 2013
  UCR201492  Anisocoma acaulis Scott D. White, Justin M. Wood 2008-5-15 11964 Riverside San Jacinto Mountains, Garner Valley, northwest of Fobes Ranch Road and northeast of Hwy 74, valley bottom 1357 Comment
  UCSB6331  Anisocoma acaulis Graney, Don 1953-3-22 Riverside Morongo Canyon Comment
  CLARK-A1045-341  Antirrhinum coulterianum George K. Helmkamp 1978-5-2 Riverside Bautista Canyon burn; Hemet 15'Q Comment
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Jun 22 2013
  JEPS5297  Antirrhinum coulterianum W. L. Jepson May 17 1901-Jun 1 1901 1256 Riverside near upper San Jacinto Valley (San Jacinto River); San Jacinto River Comment
  POM98994  Antirrhinum filipes E. C. Jaeger 1926-3-24 s.n. Riverside Eagle Mts, eastern Riverside Co. 610 Comment
  RSA618164  Antirrhinum kelloggii D. L. Banks 1997-5-5 2021 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  UCR117073  Antirrhinum kelloggii A. C. Sanders, Steven R. Hill 2001-5-4 24131 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
  UCR158132  Antirrhinum kelloggii A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30100 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
  UCR116417  Antirrhinum nuttallianum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24186 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  JEPS83387  Antirrhinum nuttallianum subsp. nuttallianum David M. Thompson 1983-5-8 295 Riverside 2.2 mi up Bee Canyon Road junction with Hwy. 74 (Bee Canyon Road just e of Cranston Ranger Station on Hwy 74, on one of the upper steep switchbacks on the steep climb to the ridge); Banning Quad. (15', 1956) 731 Comment
  POM9655  Antirrhinum nuttallianum subsp. nuttallianum I. M. Johnston 1920-5-8 s.n. Riverside Butte due west of Lakeview Comment
  UCR121170  Antirrhinum nuttallianum subsp. subsessile D. E. Bramlet 1989-5-20 1876 Riverside Bachelor Mtn., S-facing slope of mountain, 1,500 ft. (0.28 mi.) north of Lake Skinner and 3,000 ft. (~0.5 mi.) E [NE] of the Dam. 537 Comment
  POM128366  Apiastrum angustifolium Thos Craig 1927-4-23 203 Riverside Glen Ivy. Comment
  RSA708175  Apium graveolens Scott D. White, Angelia Carey 2004-5-7 10317 Riverside Indian Creek and adjacent foothills. 549 Comment
  POM12113  Apium graveolens Mary F. Spencer 1921-5-28 1664 Riverside Saboba Hot Springs Comment
  UC1608306  Apocynum cannabinum Steve Boyd, Tim Ross, and Dave Bramlet 1993-5-12 7327 Riverside San Mateo Canyon from confluence with Los Alamos Canyon to confluence with Tenaja Canyon; S. Santa Ana Mts., San Mateo Canyon Wilderness Area 365 Comment
  UCR263734  Apocynum cannabinum Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5002 Riverside San Jacinto Mountains, Strawberry Creek below Strawberry Valley, c. 2.25 air mi southwest of Idyllwild 1540 Comment
  UCR172003  Arabidopsis thaliana A. C. Sanders 2006-5-1 32248 Riverside Riverside, south side of UCR campus behind botany greenhouses 366 Comment
  RSA583356  Arabis sparsiflora var. californica Steve Boyd, Darin Banks 1995-3-30 8405 Riverside Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the western edge of the Dripping Springs Alcove in tributary of Kolb Creek just east of the old Woodchuck Truck Trail road grade, just south of the Wilderness boundary. 640 Comment
  CAS-BOT-BC24914  Arctostaphylos glandulosa subsp. adamsii P. A. Munz; E. K. Balls 1952-8-21 17984 Riverside Road-Vandeventer Flat to Santa Rosa Peak. 2072 Comment
  RSA629415  Arctostaphylos glandulosa subsp. leucophylla Allen Massihi, Jon E. Keeley, Robert Goar 1992-8-11 19532 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629445  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-16 16587 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  JEPS2738 Image available Arctostaphylos glauca W. L. Jepson 1914-5-18 6004 Riverside Pinon Well grade Colorado Desert, Pinon Well Mts.; Pinon Well grade, Pinon Well Mts., Colorado Desert Comment
  RSA631754  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19269 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA631765  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15075 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA631830  Arctostaphylos glauca Jon E. Keeley 1992-6-12 15535 Riverside Road to Elsinore Peak, 10 km south of Highway 74. 900 Comment
  RSA631851  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15083 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA632651  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16533 Riverside Red Mountain Road, 6-6.8 km east of R3. 1015 Comment
  SDSU13967  Arctostaphylos glauca Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2086 Riverside Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 671 Comment
  RSA633539  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22664 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA633542  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22667 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA633558  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21789 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633680  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16658 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  RSA633769  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16629 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  POM21134  Arctostaphylos patula subsp. platyphylla Fordyce Grinnell Jr. 1908-07 s.n. Riverside Tahquitz Valley 2439 Comment
  UCR172753  Arctostaphylos pringlei Abby Sirulnik 2000-5-7 35 Riverside Peninsular Ranges; San Jacinto Mtns., Calif. Hwy 243, c. 6 mi. south of Poppet Flat Road 1646 Comment
  POM367421  Arctostaphylos pringlei subsp. drupacea R. S. Woglum 1937-5-22 545 Riverside Santa Rosa Mountains, near Santa Rosa Indian Reservation. Comment
  RSA1789  Arctostaphylos pringlei subsp. drupacea C. B. Wolf 1931-5-11 1948 Riverside Near Pipe Creek, above Hemet Valley, San Jacinto Mountains. 1677 Comment
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Mar 24 2011
  SBBG118569  Arctostaphylos pringlei subsp. drupacea L. Gross, F. Navidara, V. Soza 2003-6-23 1120 Riverside Black Mtn Rd (4501), SE of Black Mtn and NW of Fuller Mill Crk; T4S R2E S14 2012 Comment
  RSA635803  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16541 Riverside Red Mountain Road, 6-6.8 km east of R3. 1015 Comment
  RSA735110  Arctostaphylos rainbowensis Scott D. White, Justin M. Wood 2007-4-16 11654 Riverside Near Rainbow Valley: Mountains west of I-15 Freeway and immediately north of San Diego County boundary. 335 Comment
  RSA0002644  Argythamnia claryana Marjorie D. Clary 1936-10-24 1707 Riverside Foot of Santa Rosa Mts. about 10 miles west of Coachella. Comment
  CAS-BOT-BC137649  Aristida adscensionis Frank W. Peirson 1921-3-23 2374 Riverside Colorado Desert. Deep Canyon. 335 Comment
  CAS-BOT-BC137652  Aristida adscensionis C. L. Hitchcock 1940-3-30 s.n. Riverside Cottonwood Spring. Comment
  JOTR35289  Aristida adscensionis Andre, Jim 2012-4-11 20782 Riverside Joshua Tree National Park. NW Eagle Mountains, along dirt road to Black Eagle Mine, 0.7mi east of road to Cottonwood Spring, 34mi south of Hwy 62 at Twentynine Palms. 729 Comment
  RSA0027581  Aristida adscensionis Kristin Forgrave, April Garbat, Deidre Conocchioli 2013-8-13 36 Riverside Sonoran Basin & Range. Chuckwalla Valley: From Blythe, Ca, head west on 1-10 for 23 miles. Exit at Ford Dry Lake, turn left to cross back over the interstate and turn right on Chuckwalla Valley Rd., Site is 1.5 miles down on south side of road, near intersection of Graham Pass Rd (unpaved). 120 Comment
  RSA781613  Aristida adscensionis Duncan S. Bell 2011-12-30 3035 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  UCSB52573  Aristida adscensionis Cowan, Clark 1978-4-23 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon; Whittaker transect #W-217 173 Comment
  RSA27422  Aristida adscensionis var. abortiva C. L. Hitchcock 1940-3-30 5878 Riverside Cottonwood Spring. Comment
  GMDRC5515  Aristida californica J. Andre 2012-3-19 21352 Riverside Chuckwalla Valley: along Hwy 177, 8.6 mi. NE of Jct with I-10 152 Comment
  UCR23925  Aristida californica John C. Roos 1937-8-22 1209 Riverside Sonoran (Colorado) Desert, 7.5 miles NE of Desert Center 163 Comment
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Mar 26 2011
  CLARK-A1528-4469  Aristida fendleriana John C. Roos 1938-8-7 583 Riverside San Jacinto Mountains Comment
  JOTR34101  Aristida purpurea var. nealleyi La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2750 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  UCD56556  Aristida purpurea var. nealleyi A. A. Beetle 1946-6-10 4406 Riverside Near Palm Springs. Comment
  UCR19699  Aristida purpurea var. parishii John C. Roos 1965-6-13 s.n. Riverside San Jacinto Mtns., west base of the mountains near San Jacinto River, near Hwy 74 Comment
  CAS-BOT-BC90190  Artemisia californica A. M. White 1974-6-4 1409 Riverside Indian Road ca. 15 mi. W. of Sun City 1219 Comment
  RSA605742  Artemisia californica Scott D. White 1996-2-18 3812 Riverside Parris Basin. double Butte, NW of Winchester. SE- facing slope of W butte and alluvial soil at base. USGS 7.5 Winchester topo. 457 Comment
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Nov 19 2010
  SFV3693  Artemisia californica M. L. Vincent, R. H. Swade 1963-10-19 458 Riverside Snow Creek Road, 2 miles from its intersection with California State Highway 111. This intersection is about 0.5 miles southeast of the intersection between Highway 111 and Interstate Highway 10. 366 Comment
  UCR166709  Artemisia californica Scott D. White 2005-7-6 11155 Riverside San Jacinto Mtns/Sonoran/Colorado Desert, San Gorgonio Pass: Cabazon. Toeslope of the San Jacinto Mtns and adjacent fan west of San Gorgonio River, south of the I-10 Fwy 610 Comment
  UC1119375  Artemisia dracunculus A. Lewis 1934-5-1 448 Riverside n of Elsinore; Elsinore Quadrangle Comment
  RSA0119962  Arundo donax Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9073 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.25 air miles southeast of the summit of Martinez Mountain. 621 Comment
  RSA0025283  Asclepias albicans J. Andre 2013-3-4 23873 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
  UCR4613  Asclepias albicans John Dean 1965-1 s.n. Riverside Eastern Colorado Desert, Hwy 95, 20 mi. north of Blythe, near Blythe [Palo Verde] intake dam 153 Comment
  UCR75042  Asclepias albicans A. C. Sanders, E. Lawlor 1992-4-4 12156 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  JEPS47800  Asclepias californica W. L. Jepson 1928-4-19 12426 Riverside 5 mi or more n Elsinore Comment
  UCR59749  Asclepias californica Steve Boyd, T. Ross, et al 1989-3-31 3086 Riverside Vail Lake area, S of Hwy 79, Kolb Creek drainage, west of Woodchuck Rd. 512 Comment
  CSUSB90  Asclepias eriocarpa Morse 1974-7-15 S. N. Riverside San Jacinto Mountains 0.5 mile east of Garner Ranch Entrance on Highway 74 1371 Comment
  JEPS6278  Asclepias erosa W. L. Jepson 1914-5-16 6064 Riverside e base Mt. San Jacinto (Palm Springs); Colorado Desert Comment
  SBBG58651  Asclepias subulata R. H. Nordhoff 1940-11-10 609 Riverside Thousand Palms Cyn Comment
  SD224819  Asclepias subulata B. Pitzer 1996-11-9 2927 Riverside Orocopia Mts: Bob's Cabin, ca 4 rd mi. N of Salt Creek Rd & 4.5 air mi. S of the W end of Hayfield Lake. Hayfield 15' USGS Quad. 609 Comment
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Mar 14 2015
  SJSU11072  Asclepias subulata R. C. McGehee 1970-5-1 260 Riverside Chuckwalla Springs Rd, 1 mi W of Graham Pass Rd c. 7 mi SW of Interstate Hwy 10 Comment
  UCR34893  Aster ascendens L. B. Ziegler 1966-10-11 099 Riverside San Jacinto Mtns, Hemet Valley, near Kenworthy Ranger Station 1375 Comment
  RSA574561  Aster subulatus var. ligulatus Steve Boyd 1985-8-7 1121 Riverside Murrieta area, Clinton Kieth Rd. just E of the Bear Creek development golfcourse Comment
  CAS-BOT-BC177461  Astragalus aridus Lewis S. Rose 1937-4-10 37155 Riverside 3 miles se. of Indio Comment
  RSA794018  Astragalus aridus A. C. Sanders 2010-3-23 37539 Riverside Chuckwalla Valley, at SW foot of Palen Mountains 130 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
  CAS-BOT-BC177729  Astragalus crotalariae Ynez Whilton Winblad 1937-2-18 s.n. Riverside 15 miles south of Mecca Comment
  UC665878  Astragalus crotalariae Ira L. Wiggins 1941-3-24 9580 Riverside 2.7 mi s Mortmar (eastern side Salton Sea); , s of Mortmar Comment
  RSA617823  Astragalus didymocarpus R. E. Riefner 1998-3-22 98 -187 Riverside Lake Elsinore. Elsinore Trough between Willard and Murrieta Creek. Comment
  RSA85081  Astragalus didymocarpus J. C. Roos 1952-4-30 5607 Riverside Hills between Camp Haan and Riverside 518 Comment
  SD260245  Astragalus didymocarpus Mitch Provance 2013-2-16 213 1 Riverside Santa Ana River Valley: Riverside, Arlanza area, W side of Hole Lake and adjacent mesa (Riverside West 7.5'Q) 226 Comment
  SEINET898792  Astragalus didymocarpus H. M. Hall 1905-1 5763 Riverside Palm Springs. Colorado Desert. 152 Comment
  UC68630  Astragalus didymocarpus var. dispermus H. M. Hall Apr., 1905 5763 Riverside Palm Springs , Palm Springs (Colorado Desert) 152 Comment
  RSA483577  Astragalus douglasii var. parishii D. Charlton 1988-5-21 1975 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on hwy 74. 1829 Comment
  RSA505019  Astragalus douglasii var. parishii D. Charlton 1988-5-21 1918 Riverside Thomas Mtn Rd, W of Garner Valley and S of Lake Hemet on Hwy 74. 1829 Comment
  SFV4932  Astragalus douglasii var. parishii M. H. Grayum 1971-6-9 s. n. Riverside San Jacinto Mountains Along Banning-Idyllwild Road. 1524 Comment
  UC56443  Astragalus douglasii var. parishii H. M. Hall May 17 1901-Jun 1 1901 Riverside Valle Vista San Jacinto Valley, Valle Vista (S. Jacinto Valley) 548 Comment
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Mar 27 2011
  CAS-BOT-BC257175  Astragalus gambelianus Duncan S. Bell; Joy England 2010-5-17 1007 Riverside Peninsular Ranges; San Jacinto Mountains region: San Bernardino National Forest: Rouse Ridge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15 1045 Comment
  UCR48343  Astragalus gambelianus Steve Boyd 1986-4-22 1754 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  RSA0006768  Astragalus insularis var. harwoodii J. C. Roos, Lucille Roos 1949-4-11 4241 Riverside Corn Spring, Cuckawalla Mts. Comment
  CAS-BOT-BC187104  Astragalus lentiginosus var. borreganus Ivan Johnston 1917-4-4 1065 Riverside Whitewater Comment
  RSA0014456  Astragalus lentiginosus var. coachellae Justin M. Wood, J. Miner 2010-4-29 1529 Riverside Coachella Valley: Bermuda Dunes. Near intersection of Avenue 38 and Varner Rd. 37 Comment
  RSA254136  Astragalus lentiginosus var. coachellae Noel Holmgren, Patricia K. Holmgren, Ruth E. Kern 1973-3-23 6488 Riverside Chuckwalla Valley, 9.5 miles northeast of Desert Center 168 Comment
  RSA627041  Astragalus lentiginosus var. coachellae Don Mitchell 1998-4-18 s.n. Riverside Coachella Valley. SW of Edom / 1000 Palms RR siding: along access road to Pacific Bell cellular phone antenna. Nar the point where 300 ft. contour line intersects section line between sects. 19 and 30. 91 Comment
  UC862623  Astragalus lentiginosus var. coachellae Carl B. Wolf 1932-5-25 3685 Riverside on road to Snow Creek Canyon (San Gorgonio Wash); road to Snow Creek Canyon, San Gorgonio Wash 365 Comment
  UCR11604  Astragalus lentiginosus var. coachellae O. H. Kappler 1950-4-1 2046 Riverside Western Colorado Desert, Four mi. east of Palm Springs, north of Cathedral City. 183 Comment
  PASA1850  Astragalus lentiginosus var. coulteri R. Peirce 1966-4-21 Riverside Windy Point, 2 mi. S. of White Water P.O. Comment
  CAS-BOT-BC178060  Astragalus nuttallianus S. B. Parish 1896-4-1 s.n. Riverside Palm Springs, Colorado Desert Comment
  RSA90703  Astragalus nuttallianus var. cedrosensis F. W. Peirson 1922-4-9 584 Riverside Murray Canyon, near Palm Springs Comment
  JOTR33736  Astragalus nuttallianus var. imperfectus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2732 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Exposed aplite vein forming a prominent rib line with loose, cobble slope surrounding it (Stop 3) Comment
  JEPS54787  Astragalus palmeri W. L. Jepson 1914-5-18 6005 Riverside n Indio (Pinon Well Grade); Colorado Desert, n of Indio, Pinon Well grade 822 Comment
  JOTR16679  Astragalus palmeri Walters, Jim 1967-4-11 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS 1645 Comment
  POM229012  Astragalus palmeri P. A. Munz 1937-5-30 15128 Riverside Dos Palmos Spring, north end of Santa Rosa Mountains. 1098 Comment
  RSA751013  Astragalus palmeri Robert F. Thorne, Avi Shmida, Robert Whittaker 1978-4-23 52076 Riverside Bighorn Lookout: Santa Rosa Mountains. Comment
  UCR19853  Astragalus palmeri W. W. Mayhew 1978-4-20 s.n. Riverside San Jacinto Mtns, Pinyon Flat 1220 Comment
  CAS-BOT-BC194128  Astragalus pomonensis Frank W. Gould 1943-4-18 2155 Riverside 3 miles west of Beaumont near junction. Comment
  POM2009  Astragalus pomonensis I. M. Johnston 1918-4-27 1854 Riverside Temescal Canon (West of Elsinore). 366 Comment
  RSA180278  Astragalus pomonensis E. W. Lathrop 1965-3-30 5599 Riverside 14 miles W of Murrieta. Comment
  UC1409125  Astragalus pomonensis Robert F. Thorne and Earl Lathrop 1969-6-6 39336 Riverside Rancho California , Rancho California (Santa Rosa Plateau) 609 Comment
  SD224954  Astragalus tricarinatus G. K. Helmkamp 1998-4-3 3087 Riverside Coachella Valley: Mission Creek, the Wildlands Conservancy Preserve, 1.1 mi. NW of the ranch house beside a gauging station along the creek. 747 Comment
  SEINET10486810  Astragalus vaseyi L. Rose 1935-12-23 Rose 35700 Riverside San jacinto mts. 22 Mi s of cathedral city. Desert slopes. 914 Comment
  RSA516912  Atrichoseris platyphylla Steve Boyd, Orlando Mistretta 1986-3-13 1454 Riverside West side Palen Mts.: NE of Desert Center. Comment
  UC963818  Atrichoseris platyphylla Helen K. Sharsmith 1952-4-8 4051 Riverside near, and ca. 2.5 miles beyond Mission Well Meek Mine; Mojave Desert, Pinto Mountains 579 Comment
  UCR101566  Atrichoseris platyphylla 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
  UCR119338  Atrichoseris platyphylla B. G. Pitzer 2000-5-7 4130 Riverside Sonoran (Colorado) Desert, extreme north end of Orocopia Mountains, Shavers Valley, at base of hills c. 0.5 mi. SE of Box Canyon Road. 341 Comment
  UCSB6375  Atrichoseris platyphylla Yokoyama, Howard 1953-3-21 Riverside 9 miles east of Indio Comment
  POM278705  Atriplex canescens Grant D. Brown 1950-12-2 578 Riverside Temescal Wash at entrance to Cajalco Canyon, SE of Corona. 274 Comment
  SD40818  Atriplex canescens Carl B. Wolf 1932-10-13 4303 Riverside Eagle Mountains, Cottonwood Springs. 950 Comment
  SEINET3930666  Atriplex canescens Carl B. Wolf 1932-10-13 4316 Riverside Caleb (Southern Pacific railway sliding), 4.5 miles Southeast of Mecca, Colorado Desert. Lower Sonoran Zone.; 0 610 Comment
  UCR169926  Atriplex canescens A. C. Sanders, J. Andre , P. J. MacKay, Tim Thomas & CNPS Fld Trip 2005-2-26 29128 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  JOTR16655  Atriplex canescens subsp. canescens Baker, James K. & Baker, Ilisa T. 1966-6-17 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS Comment
  JOTR34411  Atriplex canescens var. laciniata La Doux, Tasha, M. Harding, B. Truesdell, D. Shade 2012-9-25 3097 Riverside Joshua Tree National Park. Cottonwood Mountains; Cottonwood Spring, near oasis 914 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
  RSA532556  Atriplex coulteri D. E. Bramlet 1991-5-2 2112 Riverside 7.6 km west of Hemet and aome 1.4 km southwest of the intersection of Warren Rd. and Stetson Ave. The population is some 68 m suth of Stetson Ave. and some 320 m. west of the MWD canal., Plants are located approximatly 3m from an existing dirt channel. 500 Comment
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Feb 3 2015
  UCR172749  Atriplex davidsonii Robert Cox, Chris E. True 2005-6-1 s.n. Riverside Perris-Aguanga Basin, San Jacinto Valley; San Jacinto Wildlife Refuge, past headquarters on main road, San Jacinto River Channel, west of Duck Ponds 436 Comment
  CAS-BOT-BC249040  Atriplex elegans var. elegans A. C. Sanders; John F. Green 2012-6-25 40307 Riverside Peninsular Range; Santa Ana Mtns. Region: Temescal Canyon near I-15 crossing of Temescal Canyon Rd. and Temescal Creek, c. 2.6 km SE of Lee (Corona) Lake 361 Comment
  UC51603  Atriplex hymenelytra Joseph Burtt Davy 1902-4-2 8040 Riverside mesa above Salton; mesa above Salton Comment
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Sep 11 2011
  UC665756  Atriplex hymenelytra Ira L. Wiggins 1941-3-24 9590 Riverside on silty slopes 0.5 mi from beach on e side Salton Sea (1 mi n of Imperial County line); e side Salton Sea, n of Imperial County Line Comment
  SBBG33937  Atriplex linearis L. S. Rose 1966-12-11 66096 Riverside Palm Springs 152 Comment
  SD234361  Atriplex serenana var. serenana R. E. Jr. Riefner 2006-8-13 06 394 Riverside Perris-Aguanga Basin: SW of Perris along Hwy 74 at Good Hope, NE of Betty Rd. 470 Comment
  UCR182538  Atriplex serenana var. serenana Mitch Provance 2003-7-3 4638 Riverside San Bernardino Valley, Riverside, the NE part of Lionshead (Challen Hill), 0.4 km due west of the corner of California Av. and Van Buren Blvd. 238 Comment
  JOTR36019  Ayenia compacta Harding, Mitzi, T. Herskovits 2012-3-16 226 Riverside Joshua Tree National Park. Eagle Mountains, Cholla Wash Comment
  CLARK-A1528-5449  Baccharis emoryi John C. Roos 1948-11-6 4077 Riverside Box Springs Mountains Comment
  POM350371  Baccharis salicifolia P. J. Remple 1942-3-21 s.n. Riverside Banning - Indio - Palm Springs road junction Comment
  SD60247  Baccharis sarothroides Carl B. Wolf 1932-10-12 4298 Riverside Pinyon Wells, Little San Bernardino Mountains 1220 Comment
  SEINET2045190 Image available Baccharis sarothroides B. Pitzer 1996-11-11 2931 Riverside Orocopia Mountains: Salt Creek Wash, at intersection w/SR211, 4 rd. mi. S of Bob's Cabin. Hayfield 15'USGS Quad.:T7s,R14ESW/4, S7 274 Comment
  LA203007  Baccharis sergiloides Flora Murray Scott; 1928-4-2 sn Riverside Marongo Comment
  CLARK-A1656-656  Baileya pauciradiata Lois Ann Scott 1978-2-3 Riverside Indio Hills 609 Comment
  RSA0116271  Bassia hyssopifolia Mitch Provance, Ken Halama 2003-6-15 17069 Riverside Temescal Mountains: Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  RSA737218  Bassia hyssopifolia Justin M. Wood 2008-9-30 176 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  RSA793531  Bebbia juncea Naomi Fraga, David Fraker, Thomas Stoughton 2012-3-15 3947 Riverside Off of Box Canyon Rd. S. of Shaver well in a wash. 229 Comment
  SD229077  Bebbia juncea var. aspera Dick Schwenkmeyer 2012-5-22 724 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  UC51596  Bebbia juncea var. aspera Jos. Burtt Davy 1902-4-2 8058 Riverside Salton Comment
  UCR280935  Bebbia juncea var. aspera Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-2 617- 05 Riverside Temescal Valley, Horsethief Canyon Wash, S. side of I-15, vicinity of De Palma Rd. 378 Comment
  CLARK-A1528-100  Beloperone californica Charlotte Stocks 1964-9-11 Riverside La Quinta Comment
  CLARK-A1528-1369  Beloperone californica John C. Roos 1949-4-11 4233 Riverside Chuckwalla Mountains Comment
  UC667313  Bernardia incana Annie M. Alexander and Louise Kellogg 1941-5-10 2144 a Riverside small canyon 3 mi. n.e. Cottonwood Spring (Eagle Mts.); Colorado Desert, Eagle Mts. 1036 Comment
  CLARK-A1528-5452  Bidens frondosa John C. Roos 1951-9-25 5265 Riverside Riverside 259 Comment
  CLARK-A1528-1653  Bidens pilosa John C. Roos 1951-9-25 5264 Riverside Riverside 259 Comment
  CSUSB17  Bloomeria crocea Barry Glaser 1964-4-21 640421 6 Riverside Box Springs Mountains Box Springs Mountains. 0.3 miles beyond end of Blaine. 365 Comment
  UC1178594  Bloomeria crocea Peter Kamb 1948-7-4 1170 Riverside Hall Canyon San Jacinto Mts., Hall Canyon 1645 Comment
  UCR17050  Bloomeria crocea var. crocea D. H. Wilken 1965-6-29 360 Riverside San Jacinto Mtns, Strawberry Meadows, near Idyllwild 1555 Comment
  UCR270713  Boechera johnstonii John F. Emmel 1999-3-27 1607 Riverside San Jacinto Mtns., Garner Valley, 0.1-0.2 air mile south of junction Hwy 74 and road to Ramona Trail 1384 Comment
  CAS-BOT-BC14158  Boechera perennans K. Watkins; E. McClintock 1937-4-10 s.n. Riverside Palms to Pines highway near road to Shumway. Comment
  RSA608164  Boerhavia triquetra Steve Boyd, Valerie Soza, Tasha La Doux 1997-10-13 10051 B Riverside Sonoran (Colorado) Desert Chuckwalla Mtns, NW base of the range, south of Eagle Mine Rd exit on Hwy I-10. 426 Comment
  SBBG29191  Boerhavia wrightii K. K. Muller 1967-9-14 1420 Riverside 5 mi E of Indio Comment
  CAS-BOT-BC31023  Bolboschoenus maritimus LeRoy Abrams 1901-5-1 s.n. Riverside Elsinore. Comment
  UC1505770  Bolboschoenus maritimus Robert T. Clausen and Harold Trapido 1940-6-18 4674 Riverside Chino Canyon, Palm Springs 457 Comment
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Mar 23 2016
  RSA781411  Bouteloua barbata Duncan S. Bell 2011-10-22 2991 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  RSA741581  Bouteloua curtipendula Scott D. White, Justin M. Wood 2008-6-17 12177 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  PASA1872  Brandegea bigelovii 1928-3-3 Riverside Hidden Springs Canon Col. Desert Comment
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Aug 27 2016
  RSA517243  Brandegea bigelovii Steve Boyd 1986-2-18 1331 Riverside Mecca Hills, Colorado Desert: Box Canyon, along Hwy 195. Comment
  RSA778830  Brandegea bigelovii J. Andre 2011-2-9 15894 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
  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
  UC1922906  Brandegea bigelovii Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10893 Riverside Sonoran Desert: Eastern Coachella Valley. Bajada beneath Mecca Hills, just East of Coachella Canal. (Thermal Canyon) Comment
  UCR226770  Brandegea bigelovii Jim Andre 2011-2-9 15894 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
  SBBG82062  Brassica nigra O. F. Clarke 1985-5-13 Riverside San Jacinto River Valley, gun club ponds E of Davis Rd, a short distance N of Lakeview, E of the Bernasconi Hills 426 Comment
  CAS-BOT-BC106340  Brickellia atractyloides var. arguta J. E. Cole 1942-5-19 959 Riverside Ruby Lee Mine, Joshua Tree National Monument 914 Comment
  UCR164568  Brickellia californica S. J. Myers 2001-7-16 s.n. Riverside Peninsular Range; San Jacinto Mtns, Bautista Canyon 951 Comment
  RSA78368  Brickellia desertorum J. C. Roos 1950-12-2 5029 Riverside Monson Canyon, Eagle Mts. 915 Comment
  RSA0042857  Brickellia incana Duncan S. Bell, LeRoy Gross 2014-3-20 6271 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  CAS-BOT-BC132192  Brodiaea filifolia P. A. Munz; I. M. Johnston 1922-5-19 5412 Riverside 1 mi. east of Perris 441 Comment
  UCR50792  Brodiaea filifolia Jack Easton 1988-4-25 s.n. Riverside Along S bank of the San Jacinto River, south of Perris at the N end of Railroad Canyon where the river enters the hills Comment
  UCR164914  Brodiaea santarosae Chris E. True, R. Vargas, M. Bornyasz 2003-6-3 s.n. Riverside Peninsular Ranges; Southern Santa Ana Mtns., Santa Rosa Plateau Area, Mesa de Colorado, east of large pool off [Via] Volcano road; CCB-WRC Monitoring site 2619 630 Comment
  RSA604754  Bromus berteroanus A. C. Sanders 1995-4-13 16509 Riverside San Bernardino Mountains/ Colorado Desert: Devil's Garden, E end of mountains, 2.1 miles W of Highway 62 on Pierson Ave. & dirt extension, 1.7 mile above Sierra Blv., (33 deg 58'N, 116 deg 37.5'W) 701 Comment
  UCR147663  Bromus diandrus Steve Boyd, Aydee Virgen 2004-4-13 10863 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  UCR178343  Bromus diandrus Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 1050 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  UCR193555  Bromus grandis A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35664 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
  UCR169471  Bromus hordeaceus 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
  UC37666  Bromus marginatus var. seminudus H. M. Hall 1897-8-10 785 Riverside Tamarack Valley San Jacinto Mts.; Tamarack Valley, San Jacinto Mts. 2743 Comment
  UCR102929  Bromus rubens George K. Helmkamp 1998-2-5 2646 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, 1.1 mi. west of Calif. Hwy 111 on Tramway Rd. 335 Comment
  UCR2249  Bromus rubens H. S. Fawcett 1913-12-24 1109 Riverside West Riverside, along main road, Santa Ana River flats 244 Comment
  UCR233071  Bromus rubens Edith B. Allen 2012-1-28 112- 01 Riverside Riverside, western foot of the Box Springs Mtns. on east edge of town, Islander Park, north of the east end of Big Springs Rd. 353 Comment
  SD185082  Bromus sterilis T. B. Salvato, Kent Beaman 2005-5-16 874 Riverside San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of Ca. Highway 74. 548 Comment
  CAS-BOT-BC185643  Bromus tectorum Elizabeth McClintock 1965-6-25 s.n. Riverside Top of Santa Rosa Mountain. Comment
  UC1979650  Bromus tectorum Steve Boyd 1995-4-24 8477 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on northern flank of Agua Tibia Mountain at the north base of Wildhorse Peak, along the Wildhorse Trail near its junction with the Dripping Springs Trail. Comment
  UCR260896  Bromus tectorum A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41524 Riverside Moreno Valley, south side of Allesandro Blvd. west of Graham St., north of Brodiaea Ave. 488 Comment
  JOTR30670  Bromus trinii Andre, Jim, Tasha La Doux 2008-3-21 8832 Riverside Joshua Tree National Park. Pinkham exit dirt road, at Cottonwood Visitor's Ctr, just N. of Cottonwood Cyn 938 Comment
  JEPS76396  Caesalpinia virgata L. R. Heckard 1977-3-15 4519 Riverside e. Mecca (lower end of Box Canyon near Garfield St. Junction); Box Canyon 91 Comment
  SEINET938598  Caesalpinia virgata T. S. Elias 1985-1 10151 Riverside Mecca Mountains just NE of Mecca; Painted Canyon Comment
  UC15305  Caesalpinia virgata S. B. Parish Apr 4 1896-Apr 13 1896 4114 Riverside Palm Springs (Agua Caliente), desert base of San Jacinto Mt. San Jacinto Mt., Palm Springs (Agua Caliente) 152 Comment
  POM91013  Caesalpinia virgata E. C. Jaeger 1925-12-20 s.n Riverside Fish traps. 3 Comment
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Feb 3 2011
  UC69317  Calandrinia ambigua L. A. Greata Apr. 1905 Riverside Coachella Comment
  CAS-BOT-BC438494  Calandrinia ciliata Munz; Harwood 1920-2-28 3268 Riverside 2 mi S.W. of Corona 304 Comment
  RSA466561  Calandrinia ciliata Ora M. Clark 1929-4-7 2040 Riverside S. Hemet. Comment
  SDSU13677  Calandrinia ciliata Jutta Buschbom 1991-6-9 48 b 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
  SDSU18402  Calandrinia ciliata C. Matt Guilliams 2008-2-21 471 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
  UC56761  Calandrinia ciliata H. M. Hall April, 1902 2916 Riverside vicinity Winchester 304 Comment
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Mar 20 2011
  UCR21911  Calandrinia ciliata Steve Boyd 1980-5-2 158 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR76168  Calandrinia ciliata A. C. Sanders 1993-4-1 13667 Riverside Perris-Aguanga Basin Region, western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St. and Devonshire Ave., 0.75 mile NE of the intersection of Florida Ave (Hwy 74) and Warren Rd, just south of Tres Cerritos 460 Comment
  SBBG89258  Calandrinia menziesii J. Adams 1966-3-12 437 Riverside Hwy 74, 5 mi E of Elsinore, toward Perris 304 Comment
  RSA234033  Callitriche marginata R. F. Thorne, E. W. Lathrop 1969-5-19 37957 Riverside Santa Rosa Plateau: margin of N end of large vernal marsh, Mesa de Colorado, Rancho California. 624 Comment
  UCR26355  Calocedrus decurrens A. C. Sanders, J. A. Harpel 1981-8-26 2337 Riverside Santa Rosa Mtns., Cedar Spring 2250 Comment
  UCR112404  Calochortus A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23459 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
  UCR138761  Calochortus concolor Scott D. White 1997-5-18 5167 Riverside San Jacinto Mtns., Northern Escarpment south of Banning: along Hwy 243, c. 5 road mi SE of Banning and 5 road mi NW of Vista Grande 1159 Comment
  CLARK-A1528-20  Calochortus splendens C. M. Flanagan 1973-5-31 OO 613 Riverside Morongo Indian Reservation Comment
  CSUSB400  Calochortus splendens Bruce Freeman 1968-5-11 680511 5 Riverside Santa Ana Mountains Santa Ana Mountains. 7.7 miles from Washington Ave., in Murrieta, on road from Murrieta to De Luz. 182 Comment
  SDSU11920  Calochortus splendens K. J. Huntley, Judith Kemp with SDSU California Flora 1988-4-29 29 IV88A Riverside 50 m. north of San Diego State University staion in the Santa Margarita Ecological Reserve 2 km west of Temecula. Comment
  UCR174061  Calochortus splendens A. C. Sanders 2006-5-19 32458 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
  UCR834  Calochortus splendens J. E. Dimitman 1957-5-18 s.n. Riverside Peninsular Range; San Jacinto Mtns., Bautista Canyon Wash 793 Comment
  VVC535  Calochortus splendens F. Ambrey 1959-5-6 s.n. Riverside Perris Basin, 5.5 miles so. of Hemet on State hwy 79. opposite curre sign (sic), 20 yds. so. of power line. 485 Comment
  SEINET10834209  Calochortus splendens David B. Dunn, Melvin L. Conrad; Patricia L. Kenney 1973-6-15 Dunn 20765 Riverside Coll. At the jct. Of hwy. 74 & 71. A gas station on the sw corner. Area Generally chaparal with shaggy adenostema Comment
  SD181791  Calochortus weedii var. intermedius Scott D. White, Brian Leatherman 2000-6-1 7994 Riverside Corona Foothills: Steep slopes directly south of Oak Av. And Lincoln Av., just east of Hagador Canyon. 381 Comment
  UC667272  Calycoseris parryi Annie M. Alexander and Louise Kellogg 1941-5-11 2146 Riverside 1.5 mi n of Cottonwood Spring; Colorado Desert, Eagle Mountains 975 Comment
  UCR175172  Calycoseris parryi Jim Andre 2006-4-26 6768 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
  JOTR32126  Calyptridium monandrum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade` 2011-4-26 2282 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
  UCR177410  Calyptridium monandrum Scott D. White 2003-3-23 8837 Riverside Santa Rosa Mountains, Desert slope, Hwy 74 near Carrizo Creek crossing 762 Comment
  UCR182999  Calyptridium monandrum Mitch Provance 2003-5-5 4423 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  SDSU17509  Calyptridium monospermum C. Matt Guilliams, Michael and Lori Simpson, Mike Silveira 2007-6-26 378 B Riverside San Jacinto Wilderness State Park, Round Valley Campsite. Ca. 50 meters east of stone buildings near trail junction, along west edge of Round Valley. 2755 Comment
  UC454255  Calyptridium monospermum I. J. Condit 1910-6-22 Riverside San Jacinto Mountains, (to summit) San Jacinto Mountains 2438 Comment
  CSUSB670  Calystegia macrostegia Bruce Freeman 1968-4-6 680406 2 Riverside Campus of UC Riverside. In drainage gulley, about 50 yards from gate to Botanical Gardens. 335 Comment
  UCR111577  Calystegia macrostegia Mitch Provance 1999-4-3 1757 Riverside City of Riverside, SW side of 'Royal Hill', 0.25 miles east of the corner of Victoria Ave. and Arlington Ave. 351 Comment
  UC1186512  Camissonia E. G. Linsley and J. W. MacSwain 1960-3-2 60 -8 Riverside 2 mi w Desert Center Comment
  POM32000  Camissonia bistorta C. F. Baker 1904-4-5 4118 Riverside Hemet Comment
  RSA192043  Camissonia bistorta E. W. Lathrop 1959-4-2 4444 Riverside 18 miles S.W. of Elsinore. Tenaja plateau, south slope Comment
  RSA613467  Camissonia bistorta D. L. Banks, Victor W. Steinmann 1997-3-13 1454 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
  RSA653423  Camissonia bistorta Scott D. White 1999-5-24 7390 Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 Comment
  UCR91505  Camissonia bistorta Scott D. White 1995-4-5 2727 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  UCR41541  Camissonia boothii A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6008 Riverside Chuckwalla Valley, 1 mi west of Hayfield Lake, 2 mi SW of the pumping station on a small cutoff road from Hayfield Rd to the dirt road to the Colorado River Aqueduct 427 Comment
  HSC49197  Camissonia boothii subsp. condensata D. L. Goforth 1979-4-11 113 Riverside Box Canyon, 10 mi. E of Mecca on State Rte. 195. 220 Comment
  JOTR32163  Camissonia brevipes subsp. brevipes La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2315 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Large sandy canyon with braided wash that feeds southwest into Wilson Canyon (Stop 7) 902 Comment
  UCR199623  Camissonia californica Scott D. White, Angelia Carey 2004-7-2 10562 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  JOTR32917  Camissonia cardiophylla La Doux, Tasha, Jim Andre 2009-2-28 357 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
  POM184500  Camissonia cardiophylla C. L. Hitchcock 1932-4-7 12209 Riverside Corn Springs. Comment
  UCR112099  Camissonia cardiophylla A. C. Sanders, T. B. Salvato 2000-4-27 23379 Riverside Coachella Valley, east side of Coachella Canal near the foot of the Mecca Hills, vicinity of the east end of Ave 60 15 Comment
  UCR274811  Camissonia cardiophylla Aaron C. Sedgwick, David Fraker 2012-4-24 012 Riverside Sonoran (Colorado) Desert, Palen Valley south of Power Line Road that paralleles Hwy I-10 159 Comment
  POM257261  Camissonia claviformis subsp. aurantiaca H. L. Mason 1928-3-11 4242 Riverside Desert flats near Indio. Comment
  RSA448925  Camissonia claviformis subsp. aurantiaca I. W. Clokey, Bonnie C. Templeton 1930-4-9 4725 Riverside North of Palm Springs, Colorado desert. 170 Comment
  RSA449187  Camissonia claviformis subsp. aurantiaca N. C. Cooper 1949-3-15 3169 Riverside North of Palm Springs. 122 Comment
  UCR115341  Camissonia confusa A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16260 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  UCR35217  Camissonia confusa L. B. Ziegler 1969-4-22 356 Riverside San Jacinto Mtns., Hemet Valley. On lower slopes of hills in E side of valley. 1433 Comment
  UCR261215  Camissonia hirtella A. C. Sanders, Katie Young, John Hale 2015-4-22 41596 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 2 km south of I-10, 1 km NW (303 deg. ) of One Horse Spring 459 Comment
  RSA698241  Camissonia pallida J. R. Bruff 1928-4-2 83 Riverside Whitewater. Comment
  UCR142870  Camissonia pallida I. M. Johnston 1917-4-4 1110 Riverside Sonoran (Colorado) Desert, near Palm Springs 183 Comment
  RSA75431  Camissonia pallida subsp. pallida F. W. Peirson 1919-4-13 4699 Riverside Tahquitz Canyon, near Palm Springs. Comment
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Sep 18 2011
  RSA716402  Camissonia strigulosa Scott D. White, Angelia Carey 2004-4-5 10012 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR201464  Camissonia strigulosa Scott D. White, Justin M. Wood 2008-5-15 11974 Riverside San Jacinto Mountains, Garner Valley, northwest of Fobes Ranch Road and northeast of Hwy 74, valley bottom 1357 Comment
  SDSU3355  Camissoniopsis confusa H. Wedberg 1958-5-17 303 Riverside 7.4 miles from Banning on road to Idyllwild. Comment
  SD136805  Camissoniopsis hirtella Steve Boyd 1992-4-14 6788 Riverside San Mateo Canyon Wilderness Area; along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewagter Canyon, south of Sitton Peak. 792 Comment
  UCR35113  Cannabis sativa L. B. Ziegler 1974-9-14 535 Riverside Foothills of San Jacinto Mtns., canyon two miles south of Hemet 503 Comment
  UCR93026  Capsella bursa-pastoris G. P. Schultz 1994-4-7 84 Riverside Box Springs Mtns, Big Springs Canyon and N on the crest to Two Trees Canyon (S side) Comment
  UCR128904  Cardamine A. C. Sanders 2001-4-4 23911 Riverside Riverside, UCR campus 348 Comment
  CHSC114442  Carex abrupta P. F. Zika; Nick Otting 2010-8-3 25241 Riverside Vicinity of Willow Creek. San Jacinto Wilderness Area, San Jacinto Mountains (SnJt), Peninsula Ranges. 2550 Comment
  RSA0100141  Carex fracta Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8585 Riverside Santa Rosa Mountains; collecting on forested slope between forest service road and the summit of Santa Rosa Mountain. 2324 Comment
  UCR151044  Carex pellita Scott D. White 1998-7-31 6950 Riverside San Jacinto Mts., Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park 1951 Comment
  CAS-BOT-BC118509  Carex praegracilis Earl W. Lathrop 1959-4-26 4508 Riverside 14 mi W of Murrieta, Tenaja Plateau. Comment
  RSA180458  Carex praegracilis E. W. Lathrop 1965-3-30 5605 Riverside 12 miles west of Murrieta. Tenaja Range Comment
  RSA680524  Carex praegracilis Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8649 Riverside Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  RSA0079909  Carex rossii Peter H. Raven 1959-5-17 14228 Riverside Lake Fulmor, San Jacinto Mountains. Comment
  UCR128309  Carex senta Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8642 Riverside San Jacinto Mtns, Idyllwild area; 'Strawberry Fuelbreak' between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek 1646 Comment
  UC537213  Carex subfusca M. E. Jones Sept. 1933 Riverside San Jacinto Mt. Comment
  UCR90505  Carex subfusca F. M. Reed 1932-7-3 7288 Riverside San Jacinto Mountains, Strawberry Valley, meadow near Idyllwild School House. 1524 Comment
  RSA552732  Carex triquetra Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-3-31 6753 -B Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 670 Comment
  CHSC1694  Castilleja affinis 1940-3-10 Riverside San Jacinto foothills. Comment
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Mar 10 2013
  POM12217  Castilleja applegatei subsp. martinii Mary F. Spencer 1921-7-1 1669 Riverside Idyllwild. 1616 Comment
  RSA0010961  Castilleja applegatei subsp. martinii Steve Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3557 Riverside Vail Lake area, along Arroyo Seco drainage from junction with Kolb Creek. S to w/in 1/4 mi Hwy 79. 457 Comment
  RSA0010920  Castilleja densiflora subsp. gracilis Steve Boyd, Dave Bramlet 1996-4-19 8594 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
  UC665831  Castilleja exserta Ira L. Wiggins 1941-3-27 9703 Riverside 4 mi n Whitewater Comment
  UCR139396  Castilleja exserta P. A. Munz 1932-3-24 12016 Riverside Santa Ana River Valley/Santa Ana Mtns. Foothills, Corona 366 Comment
  UCR154640  Castilleja exserta A. C. Sanders, T. B. Salvato 2005-4-28 29770 Riverside Peninsular Ranges, Gavilan Hills; north of Santa Rosa Rd., 1 mi. SW of Ida Leona Mine 625 Comment
  RSA296124  Castilleja foliolosa Barry A. Prigge 1980-8-11 3901 Riverside San Bernardino Mts, White Canyon: 3.2 miles upstream from trout farm. 963 Comment
  RSA400577  Castilleja foliolosa P. J. Remple 1942-3-21 s.n. Riverside Whitewater Canyon. Comment
  SD129523  Castilleja foliolosa Ed LaRue May 1989 Riverside Hills E of Beaumont, along Potrero Creek, I(c) mi. E of old San Jacinto Nuevo Y Potrero land grant 701 Comment
  UCR165850  Castilleja foliolosa T. B. Salvato, John F. Green 2004-5-27 633 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
  RSA448786  Castilleja minor subsp. spiralis Anstruther Davidson 1887 Riverside Banning. Comment
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Mar 13 2011
  UCD166236  Caulanthus Jack Major 1962-4-16 774 -b Riverside Along California Hwy 74, below Pinyon Flat toward Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 1220 Comment
  UC64614  Caulanthus hallii H. M. Hall 1899-5-23 1165 Riverside Coyote Canyon San Jacinto Mountains, El Toro Mt.; El Toro Mt., Coyote Canyon, San Jacinto Mts. 1524 Comment
  SDSU14029  Caulanthus heterophyllus Tarja Sagar 2000-5-20 30 Riverside SMER. 50 m WSW from north Field Station. 332 Comment
  UCR60777  Caulanthus heterophyllus Steve Boyd 1986-3-1 1364 Riverside Gavilan Hills, Gavilan Hills, on recent burn, 0.25 mi south of Harford Springs County Park 640 Comment
  SBBG101793  Caulanthus lasiophyllus S. Boyd with T. Ross, M. Hammitt 1991-5-2 6122 Riverside Vail Lake region, summit of Oak Mtn, N of lake near Henderson Benchmark Comment
  LA41990  Ceanothus crassifolius B. Lewis; 1939-3-11 sn Riverside Reche Canyon 457 Comment
  RSA569986  Ceanothus crassifolius Steve Boyd, Kyle Boyd 1993-3-28 7919 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road. 792 Comment
  CAS-BOT-BC49185  Ceanothus cuneatus H. E. McMinn 1925-7-1 1490 Riverside Lower control to Idyllwild - San Jacinto Mtns. Comment
  RSA276719  Ceanothus greggii var. perplexans John F. Emmel 1978-9-25 620 Riverside Santa Rosa Mountains; slope above Mountain Home Spring 1982 Comment
  POM254877  Ceanothus integerrimus W. Pequegnat 1940-5-17 s.n. Riverside Bear Springs. 1311 Comment
  UC1929728  Ceanothus integerrimus Valerie Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1698 Riverside Peninsular Ranges; San Jacinto Mountains region; Fuller Mill Creek just N of junction with Dark Canyon. Comment
  CAS-BOT-BC51274  Ceanothus leucodermis C. L. Hitchcock; C. V. Muhlick 1964-3-17 23109 Riverside 10 mi. N. of Pala, on road to Elsinore Comment
  HSC47408  Ceanothus leucodermis Richard Spjut, C. E. Edison 1978-5-5 5021 Riverside Between Idyllwild and Banning along Hwy. 243 in the San Jacinto Mtns. 1220 Comment
  RSA0019585  Ceanothus leucodermis Toppenberg 1961-5-12 s.n. Riverside Hwy to Idyllwild, Beaumont side. Comment
  POM254866  Ceanothus megacarpus W. Pequegnat 1940-6-18 s.n. Riverside Santa Ana Mts. Sierra Peak. Comment
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Jun 10 2012
  LA212135  Ceanothus oliganthus Nancy Anderson; 1955-5-21 s.n. Riverside Banning - Idyllwild Hwy. 1523 Comment
  CAS-BOT-BC83759  Ceanothus ophiochilus D. O. Burge 2007-3-20 798 a Riverside Agua Tibia Wilderness Area, Cleveland National Forest 660 Comment
  RSA557733  Ceanothus ophiochilus Steve Boyd, Ken Berg, Sandy Morey, Jon Keeley 1992-5-3 7169 A Riverside Vail Lake area, ridge about 1 mile west of the lake, east of ''Little'' Oak Mountain. 610 Comment
  SBBG96757  Ceanothus ophiochilus S. Boyd with T. Ross, L. Arnseth 1989-3-19 3020 Riverside Vail Lake area, 1 mi W of lake; ISOTYPE 609 Comment
  RSA399799  Ceanothus palmeri Mark Morris 1929-3-10 14562 Riverside Chaprral of foothill regional. Comment
  SJSU9906  Ceanothus perplexans T. G. Balgooyen 1966-5-5 Riverside 20 mi S of Palm Springs 1219 Comment
  JEPS106970  Centromadia pungens subsp. laevis Jasmine Watts 2005-7-19 7 Riverside Hemet, N of CA-74 and W of Warren Road Comment
  RSA800232  Centromadia pungens subsp. pungens Justin M. Wood 2010-6-17 2045 Riverside Perris Basin: March ARB, roadside ditch south of Cactus Ave. and west of Heacock St. 473 Comment
  UC161908  Centrostegia thurberi var. thurberi C. R. Orcutt Riverside Colorado Desert Comment
  UC667250  Centrostegia thurberi var. thurberi Annie M. Alexander and Louise Kellogg 1941-5-15 2176 Riverside Colorado Desert, n base of Eagle Mountains Eagle Mountains; Colorado Desert, Eagle Mountains 914 Comment
  UCR109643  Ceratophyllum demersum T. W. Fisher, R. E. Orth 1964-6-25 s.n. Riverside San Jacinto Mtns., Lake Hemet near stream 1311 Comment
  RSA123213  Cercidium floridum H. S. Yates 1936-4-8 5453 Riverside Near Fish Springs 61 Comment
  RSA0125188  Cercocarpus betuloides Duncan S. Bell 2016-3-3 8772 Riverside Whitewater Canyon; San Gorgonio Wilderness area; Rainbow Canyon, approximately 3 air miles east northeast of Kitching Peak. 934 Comment
  RSA772862  Cercocarpus betuloides Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4816 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
  UC1366083  Cercocarpus betuloides var. betuloides Nancy Ryan Zabriskie and Walter Zabriskie 1969-7-5 216 Riverside Idyllwild, Pine Cove, near fier road beyond s end of Marion Ridge Road Pine Cove; Idyllwild, Pine Cove 1828 Comment
  UCD130237  Chaenactis carphoclinia B. Pitzer 1998-1-24 3406 Riverside N foot of Chuckwalla Mts, Eagle Mtn Rd on S side of Hwy I-10, ca. 0.8 mi. S of Hwy at powerline rd, and wash directly south of road. 500 Comment
  UCSB37396  Chaenactis carphoclinia Gordon, Patricia 1980-5-18 Riverside Chuckwalla Mtns; Corn Springs Wash 457 Comment
  CDA7363  Chaenactis carphoclinia var. attenuata A. C. Browne 1953-4-23 Riverside Indian Fish Traps, 12 miles south of Indio. 0 Comment
  UCR41555  Chaenactis carphoclinia var. carphoclinia A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6110 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  RSA0077069  Chaenactis fremontii Jim M. Andre 2015-3-2 31350 Riverside Along Kolbe Rd (dirt), northwest end of Coachella Valley at foot of Little SnBr Mtns, 0.2 mi. west of intersection between Hwy 62 and Indian Avenue (road to Desert Hot Springs), 2.3 mi. south of San Bernardino county line. 528 Comment
  UC64805  Chaenactis fremontii E. E. Schellenger 1904-4-10 76 Riverside bet. Whitewater and Banning; Colorado Desert Comment
  UCR243165  Chaenactis fremontii LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4320 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
  UCR268784  Chaenactis fremontii Jim Andre 2015-3-2 31350 Riverside Mojave Desert, along Kolbe Road, northwest end of Coachella Valley at foot of Little San Bernardino Mountains, 0.2 mi west of intersection between Hwy 62 and Indian Avenue, road to Desert Hot Springs, 2.3 mi south of San Bernardino Co. line 529 Comment
  UCR133965  Chaenactis glabriuscula Mitch Provance, J. S. Ross 1998-3-27 MOR- 958 Riverside San Bernardino Mtns., Morongo Indian Reservation, road to Lion Cyn., c. 2.1 miles NE of Cabazon 549 Comment
  CAS-BOT-BC277411  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1986-4-19 1707 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road Comment
  HSC85279  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1986-5-1 1820 Riverside S slopes of Bachelor Mtn, E end of Lake Skinner Comment
  POM351767  Chaenactis glabriuscula var. glabriuscula Robert L. Rutherford 1945-6-17 1674 Riverside Burned Canyon, Banning. 1220 Comment
  RSA586110  Chaenactis glabriuscula var. glabriuscula Darin L. Banks, Steve Boyd 1995-4-5 0150 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, W of the Dripping Springs Trail, on alluvial terraces of the W fork of Arroyo Seco. 3 573 Comment
  RSA619539  Chaenactis glabriuscula var. glabriuscula Darin L. Banks 1997-5-5 1988 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  UC63015  Chaenactis glabriuscula var. glabriuscula H. M. Hall 1899-5-1 1166 .1 Riverside Van de Venter's San Jacinto Mt. 1371 Comment
  POM9388  Chaenactis glabriuscula var. lanosa I. M. Johnston 1920-5-8 s.n. Riverside Jurupa Mountains, extreme west end. Comment
  CAS-BOT-BC100676  Chaenactis parishii Peter H. Raven 1959-5-18 14247 Riverside 0.9 miles south of Mountain Center on road to Aguanga, San Jacinto Mountains Comment
  UCR132934  Chaenactis parishii 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
  JOTR31997  Chaenactis stevioides La Doux, Tasha, T. Herskovits, M. Wheeler, D. Shade 2011-4-19 2227 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Queen Valley; Pine City area along Old Queen Valley Historic Road (Stop 1) Comment
  UCR244414  Chaenactis stevioides Jim Andre 2012-4-16 20909 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd, 3.1 mi. north of south entrance, 4.1 mi. north of I-10 788 Comment
  RSA0020039  Chamaesyce abramsiana Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6011 Riverside Chuckwalla Valley; south side of Interstate 10, approximately 16 air miles west of Blythe and about 2 air miles southeast of Wileys Well. 122 Comment
  RSA423515A  Chamaesyce arizonica B. C. Templeton 1930-3-22 1632 Riverside Palm Springs. 400 Comment
  RSA544306  Chamaesyce maculata Steve Boyd 1991-7-13 6412 Riverside Peninsular Range Temescal Canyon, W base of Gavilan Hills, area of old glass factory between Temescal Wash & I-15, just south of Cajalco Road. Comment
  POM47251  Chamaesyce polycarpa Mary F. Spencer 1920-5-19 1563 Riverside Near Palm Springs 152 Comment
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Aug 27 2011
  RSA747798  Chamaesyce polycarpa Scott D. White, Justin M. Wood 2009-3-24 12578 Riverside Western foothills of Mecca Hills, +/- 0.5 air mile east of the Coachella Canal and 4 air miles S of the I-10 Freeway. 21 Comment
  POM7559  Chamaesyce polycarpa var. hirtella R. D. Harwood 1920-4-4 3513 Riverside Pass near Palm Springs 152 Comment
  JEPS52354  Chamaesyce serpyllifolia Carl V. Meyer 1928-7-30 587 Riverside Saunder's Meadow Comment
  JOTR32616  Chamaesyce setiloba La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1021 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  UC71520  Cheilanthes clevelandii Miss Alice King 1892-1 Riverside Comment
  POM8819  Cheilanthes newberryi I. M. Johnston 1920-5-8 2277 Riverside Butte due west of Lakeview Comment
  RSA685787  Cheilanthes newberryi May N. Ackley 1922-03 175 Riverside Murrieta Hot Springs 399 Comment
  CAS-BOT-BC70338  Cheilanthes parryi Barbara Shervanick 1973-2-18 652 Riverside Palm Springs, end of Raquet Club Road, about 1/2 mile from Aerial Tramway, San Jacinto Mts., Salton Sea, Colorado Desert 365 Comment
  RSA189430  Cheilanthes parryi L. S. Rose 1966-12-13 66101 Riverside Palm Springs, Tahquitz Wash Desert 182 Comment
  RSA0047238  Cheilanthes parryi Jack Rempel 1934-3-3 s.n. Riverside Berdoo Canyon, Little San Bernardino Mountains. 671 Comment
  UCR174428  Chenopodium A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32476 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
  UCR125288  Chenopodium ambrosioides A. C. Sanders 2002-11-21 25649 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  RSA0114928  Chenopodium berlandieri Mitch Provance 2012-7-17 712 -16 Riverside Beaumont Plain: Banning, south of I-10, vicinity of corner of Sunset Ave. and Westward Ave. 741 Comment
  UCR167303  Chenopodium botrys Scott D. White, Jennifer H. Jones 2005-5-24 11093 Riverside Banning Pass area, Cabazon: San Gorgonio River wash and adjacent alluvial flats and benches to W 610 Comment
  RSA78287  Chenopodium fremontii P. A. Munz, E. K. Balls 1952-8-21 17968 Riverside Hamilton Creek, SE part of San Jacinto Mts. 1433 Comment
  RSA27511  Chenopodium murale I. L. Wiggins 1941-3-24 9584 Riverside East side of Salton Sea, 1 mile north of Imperial Co. Line. Comment
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Feb 20 2013
  UCR115136  Chenopodium strictum Mitch Provance 2000-11-2 2295 Riverside North Riverside, Reid Park, c. 0.5 mi SW of the corner of Placentia Ln. and Orange St. 250 Comment
  CAS-BOT-BC231773  Chilopsis linearis Annie M. Alexander; Louise Kellogg 1941-5-25 2234 Riverside Colorado Desert. Box Canyon, east of Mecca 243 Comment
  SEINET12271194  Chilopsis linearis L. S. Rosa 1936-1 36793 Riverside Palm Canyon Desert Comment
  POM3997  Chilopsis linearis subsp. arcuata M. Shaw 1917-4-4 s.n. Riverside Palm Canyon Comment
  RSA69271  Chimaphila umbellata subsp. occidentalis F. W. Peirson 1924-7-27 5004 Riverside about 1 mile west of Deer Springs, San Jacinto Mts. 2439 Comment
  CAS-BOT-BC540732  Chloris virgata Sarah J. De Groot; Amy Rouillard 2015-9-15 7562 Riverside Ford Dry Lake, Chuckwalla Valley, N of I-10 106 Comment
  UCD59673  Chloris virgata F. M. Reed 1936-8-26 9802 Riverside Massachusetts Ave., Riverside, Bell lot. Comment
  RSA607337  Chorizanthe R. S. Woglum 1941-5-17 3050 Riverside Peninsular Ranges / Sonoran Desert transition: Coyote Canyon. . Comment
  UCR139098  Chorizanthe brevicornu B. G. Pitzer 1989-4-16 1307 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, just outside impact area, 1 km south of Tabaseca Tank 700 Comment
  CAS-BOT-BC191705  Chorizanthe brevicornu var. brevicornu Geo. B. Grant 1906-4-20 6715 Riverside Palms Springs Comment
  CAS-BOT-BC191854  Chorizanthe corrugata Frank W. Peirson 1927-4-12 7175 Riverside Painted Canyon, near camp at forks Comment
  GMDRC9379  Chorizanthe corrugata J. M. Andre 2017-3-4 37189 Riverside Big Maria Mountains: along west side of US Hwy 95 30.5 mi. south of Vida Jct, at road to Blythe itaglios (ancient geoglyphs) 95 Comment
  POM147639  Chorizanthe corrugata F. M. Reed 1927-3-20 5477 Riverside Salt Creek Wash. Comment
  RSA282769  Chorizanthe fimbriata C. W. Tilforth 1979-6-27 1814 Riverside Murrieta-DeLuz Rd., ca. 2 air miles south of Murrieta Comment
  UCR116696  Chorizanthe fimbriata George K. Helmkamp 1974-7-16 s.n. Riverside Santa Ana Mtns. region, Ortega Oaks Park on Hwy 74 610 Comment
  RSA392577  Chorizanthe leptotheca N. C. Cooper 1949-6-29 4329 Riverside Idlewild, San Jacinto Mountains. 1524 Comment
  CAS-BOT-BC252781  Chorizanthe parryi var. parryi C. Epling; Wm. Robison 1933-6-24 s.n. Riverside San Gorgonio Wash near Banning Comment
  RSA735987  Chorizanthe parryi var. parryi Scott D. White, Justin M. Wood 2008-5-27 12037 Riverside Perris Basin: I-215 freeway, between Clinton Keith and Alamos. 396 Comment
  SD138829  Chorizanthe parryi var. parryi Craig Reiser 1993-3-29 Riverside North of Lewis Valley Road and east of Sage Road Comment
  UCR27232  Chorizanthe parryi var. parryi S. Gallagher 1981-5-9 12 Riverside Box Springs Mts., 1.8 mi. south on Box Springs Rd. from intersection with Pigeon Pass Rd. Site on SW corner of Box Springs Rd. intersection with dirt side road leading to western slope of Mts 747 Comment
  UC1543906  Chorizanthe polygonoides var. longispina Barbara Ertter and Jeffrey Strachan 1980-5-22 3490 Riverside Dripping Springs Campground Cleveland National Forest (hills on e side, near Hwy 79 between Aguanga and Temecula, n of Wild Horse Peak) 609 Comment
  UCR187350  Chorizanthe polygonoides var. longispina Naomi Fraga, Dolores Gault, T. Thibault, Michael Wall 2005-5-19 1564 Riverside Peninsular Ranges; Santa Ana Mountains region, alongside Elsinore Peak Comment
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Oct 28 2010
  UCR48397  Chorizanthe polygonoides var. longispina Steve Boyd 1986-5-1 1796 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  UCR97272  Chorizanthe polygonoides var. longispina D. E. Bramlet 1995-4-26 2396 A Riverside Perris-Aguanga Basin, Shipley Reserve/SE cornor of Lake Skinner Co. Park 512 Comment
  CAS-BOT-BC257201  Chorizanthe procumbens Clare B. Hardham 1962-4-6 8549 Riverside Rte 395 - Intersection with Rd to Rainbow - near Temecula Canyon Comment
  RSA392736  Chorizanthe rigida Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  POM352019  Chrysothamnus paniculatus H. de Forest 1932-11-13 s.n. Riverside Ephedra area along road to Palm Spring near snow Creek bridge Comment
  SEINET11860625  Chrysothamnus teretifolius S. B. Parish, Parish, W. F. 1889-11-2 455 Riverside Whitewater Comment
  RSA799404  Chylismia brevipes subsp. brevipes Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 743 Riverside North side of the Mecca hills, side canyon between the head of Box Canyon and Shavers Well, roughly 7.4 miles from Interstate 10 on Box Canyon Road. 305 Comment
  UC1122151  Chylismia cardiophylla subsp. cardiophylla H. S. Yates 1937-3-23 6428 Riverside Painted Canyon Thermal Quadrangle Comment
  UCSB4429  Chylismia claviformis Haller, John 1958-3-22 Riverside S. of Hwys 60, 70; 5.8 miles E. of Desert Center 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
  UC1922415  Chylismia claviformis subsp. aurantiaca Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1424 Riverside Colorado Desert; Northeastern Colorado Desert region; Along Palen Road near Hwy 177. 170 Comment
  RSA370864  Cirsium vulgare R. F. Thorne 1985-7-18 61280 Riverside De Luz; Arroya near Murrieta-Guava St. roads, a few miles S of Murrieta 385 Comment
  RSA747969  Cistanthe monandra Justin M. Wood 2009-5-11 685 Riverside Morris Ranch Rd., roadside just E of Tripp Meadow. 1616 Comment
  CAS-BOT-BC438844  Cistanthe monandra Annie M. Alexander; Louise Kellogg 1941-5-12 2157 Riverside 5.5 miles northeast of Cottonwood Spring, Eagle Mountains, Colorado Desert 868 Comment
  POM15054  Clarkia dudleyana Mary F. Spencer 1922-6-30 1704 Riverside Brook Camp, San Jacinto Mountains. Comment
  UC58857  Clarkia epilobioides H. M. Hall 1896-4-6 273 Riverside near Riverside; Box Springs Mt. Comment
  UCR25763  Clarkia epilobioides John C. Roos 1952-5-7 5618 Riverside Box Springs Mountains above Canyon Crest Heights 503 Comment
  CAS-BOT-BC164762  Clarkia rhomboidea Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild Comment
  UCR176752  Clarkia similis Joseph Cahill 1998-5-20 6- 02 Riverside Peninsular Range, Box Springs Mountains, 0.5 mi. up along trail from parking lot off Pigeon Pass Rd. from Moreno Valley 732 Comment
  OBI30244  Clematis lasiantha C. L. Weidert 1966-2-9 6 -Jan Riverside Santa Ana cyn 200 yds E of Orange-Riverside county line, across from Green river Golf course 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
  RSA357785  Cleome isomeris R. F. Thorne, M. Z. Thorne 1973-5-30 42673 Riverside Morongo valley Canyon: near mouth at junction of roads to Morongo Valley and Desert Hot Springs, on rocky and sandy outwash of Mission Creek. 488 Comment
  UCR244399  Coleogyne ramosissima Jim Andre 2012-4-16 20980 Riverside Southern Mojave Desert, Joshua Tree National Park; along Cottonwood Springs Rd [=Pinto Basin Rd.], c. 6 mi. south of north entrance at Twin Tanks parking area 1197 Comment
  UCR213443  Collinsia concolor A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37831 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, ridge west of dirt extension of Lake St., 0.9 mi. north (358 deg. ) of intersection of I-15 and Lake St. 488 Comment
  RSA543957  Collinsia heterophylla Steve D. Boyd, Orlando Mistretta 1991-5-9 6188 Riverside Santa Ana Mountains, lower flank of range along the Bedford Truck Trail on ridge between Bedford and McBribe Canyons. 549 Comment
  UC1608270  Collinsia heterophylla Steve Boyd 1992-4-15 6868 Riverside Bluewater Canyon along Bluewater Trail downstream to the confluence with San Mateo Creek, San Mateo Canyon Wilderness Area, Santa Ana Mountains San Mateo Creek; Santa Ana Mountains, San Mateo Canyon Wilderness Area 335 Comment
  UCR132612  Collinsia heterophylla Kent Beaman 1983-4-24 03 Riverside Santa Ana Mtns., north and west of Murrieta; Clinton Keith Road about 2 miles west of Hwy 15, south side of road just before it starts up a hill 427 Comment
  CHSC106481  Collinsia parryi Robt. Allen; L. Fuentes 2008-4-10 Riverside Peninsular Ranges; Santa Ana Mountains region: San Juan Canyon watershed. Along Bear Canyon Trail, 0.08 air mi. SSE of the trailhead near Ortega Hwy. UTM Zone 11S; 3719120 mN 460446mE. 627 Comment
  UC124616  Collinsia parryi H. M. Hall 1897-4-17 460 Riverside Banning Comment
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Mar 13 2011
  SBBG54139  Colubrina californica C. S. Jones 1979-3-27 41 Riverside wash ca. 5 mi N of Interstate 10, 4 mi W of Desert Center 426 Comment
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Mar 15 2013
  RSA524408  Convolvulus simulans Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4099 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
  UCR4704  Conyza bonariensis R. A. Anderson 1964-12-25 67 Riverside Riverside, Chicago Avenue & Blaine Street. 152 Comment
  SBBG68642  Cordylanthus nevinii R. Hoffmann 1929-9-8 Riverside San Jacinto Mtns Comment
  UCR227599  Cordylanthus rigidus Duncan S. Bell, Colleen Wheeler 2010-7-19 1634 Riverside San Jacinto Mountains, San Bernardino National Forest, Garner Valley, c. 1.9 air miles southeast of junction of Forest Service Road 6S04 and Forest Service Road 6S13 1376 Comment
  POM356006  Coreopsis californica Ora M. Clark 1929-2-23 1514 Riverside South of Cabazon Comment
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Mar 13 2011
  UCR88439  Coreopsis californica A. C. Sanders, K. C. Rose 1995-4-5 16357 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  UC63361  Corethrogyne filaginifolia E. A. Zumbro 1902-10-1 363 Riverside Riverside Comment
  UCSB6470  Corethrogyne filaginifolia Kamb, Peter 1948-10-21 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  UC488912  Cornus nuttallii C. V. Meyer June 1927 176 Riverside Dark Canyon San Jacinto Mts., Dark Canyon 1828 Comment
  UCR207549  Coronilla O. F. Clarke 2004-2-4 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 412 Comment
  RSA0019000  Crassula aquatica Steve Boyd, Gary D. Wallace 2005-7-30 11654 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
  RSA423453  Crassula connata N. C. Cooper 1944-4-23 1158 Riverside Banning 701 Comment
  UCR111566  Crassula tillaea Mitch Provance 1999-5-4 1690 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCD126208  Cressa truxillensis Rimo Bacigalupi; G. T. Robbins 1954-5-16 4467 Riverside valley of San Jacinto River, one-half mile west of Lakeview and just east of Lakeview (formely Ginsberg) Hot Springs. 432 Comment
  UCR207611  Cressa truxillensis O. F. Clarke 2004-5-7 s.n. Riverside Peninsular Range; San Jacinto Valley, San Jacinto Wildlife Area 442 Comment
  SEINET10773936  Crossosoma J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12852 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then several kilometers on Whitewater Canyon Road to where it crosses over the river. Comment
  NY268561  Crossosoma bigelovii L. D. Benson 1945-3-29 11632 Riverside Canyon on road to Palm Springs in Little San Bernardin Mtns, Colorado Desert Drainage. 670.6 Comment
  RSA1256  Crossosoma bigelovii B. D. Stark 1930-5-4 823 Riverside Morongo Pass. Comment
  RSA771029  Crossosoma bigelovii Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4536 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UC1179537  Crossosoma bigelovii Jane Turner 1959-3-21 75 Riverside 8 mi n United States Highway 99 (along road to Morongo Valley); Morongo Wash Comment
  OBI75912  Croton californicus James M. Andre, G. L. Clifton 2011-2-22 17471 Riverside Coachella valley; just S of I-10 at Amtrak Train station parking, just W of N Indian Cyn Dr 186 Comment
  RSA594005  Croton californicus D. L. Banks, Elizabeth Hedge Banks 1996-5-2 0927 A 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
  UCR24981  Crypsis schoenoides George K. Helmkamp 1979-8-3 s.n. Riverside San Jacinto Valley, NE end of Quail Lake (Lake San Jacinto, Mystic Lake) near the shoreline Comment
  UCR193734  Cryptantha A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35651 Riverside Peninsular Range; San Jacinto Mtns., May Valley, slopes west of Herkey Creek and north of Bonita Vista Rd., SSW of Fleming Ranch 1524 Comment
  UCR261483  Cryptantha A. C. Sanders, Katie Young, John Hale 2015-4-22 41588 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 1.6 km south of I-10, 1.2 km NW (319 deg. ) of One Horse Spring 458 Comment
  POM46806  Cryptantha angustifolia Mary F. Spencer 1920-3-10 1512 Riverside In desert sandy, Mecca, colorado Desert. -60 Comment
  RSA479850  Cryptantha angustifolia L. F. LaPre, K. Campbell 1988-4-1 s.n. Riverside Colorado Desert, Palo Verde Mesa, W of Blythe. South of Hwy 1-10 at the W end of 16th St. (approx sec. 4) 99 Comment
  UCR18176  Cryptantha angustifolia A. C. Sanders 1978-4-2 00183 Riverside Coachella Valley, Hidden Valley, near the mouth of Deep Canyon 183 Comment
  UCR103305  Cryptantha barbigera George K. Helmkamp 1998-4-4 3150 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  UCR214160  Cryptantha barbigera T. B. Salvato 2010-4-20 4062 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  UCR279506  Cryptantha barbigera A. C. Sanders, Jim Malusa 2017-3-27 43111 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
  UCR41599  Cryptantha barbigera A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6021 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  SDSU20613  Cryptantha barbigera var. fergusoniae Ronald B. Kelley 2008-3-8 1484 Riverside East of SR 62, southwest corner of Worsley and Painted Hills Road (aka Pierson Road). Lower Big Morongo Canyon, on roadside of Worsley Road. 384 Comment
  UCR196105  Cryptantha barbigera var. fergusoniae Jim Andre 2006-4-6 8148 Riverside S Mojave Desert, Joshua Tree National Park, c. 50 m north of the Keys View Parking area, at south end of Little San Bernardino Mtns 1553 Comment
  UCR213611  Cryptantha corollata A. C. Sanders, Matthew Malle 2010-4-23 38003 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  RSA0119885  Cryptantha decipiens Duncan S. Bell, Thomas Stoughton 2016-4-12 9219 Riverside Santa Rosa Mountains; eastern side of Martinez Mountain; in a side canyon off of Martinez Canyon, approximately 3.5 air miles southwest of the junction of Agua Alta Canyon and Martinez Canyon. 861 Comment
  RSA0123287  Cryptantha decipiens Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 9000 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  CLARK-A1045-138  Cryptantha intermedia George K. Helmkamp 1978-4-1 Riverside Deep Canyon rocky flat by University of California Reserve System Boyd research station; Palm Desert 15'Q Comment
  POM368267  Cryptantha intermedia Christopher Davidson, Robert Gustafson 1977-4-7 5579 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. 610 Comment
  POM368276  Cryptantha intermedia B. C. Templeton, I. W. Clokey 1930-4-9 1023 Riverside Near Banning 500 Comment
  RSA287662  Cryptantha intermedia Lyman Benson 1932-3-26 3177 Riverside Temecula Grade. Temecula Valley. 549 Comment
  UC56843  Cryptantha intermedia H. M. Hall 1902-4-26 2991 Riverside vicinity Riverside 365 Comment
  UCR249633  Cryptantha intermedia Mike Bell 2008-3-19 038 Riverside Sonoran (Colorado) Desert/San Bernardino Mtns., Bonnie Bell, along Whitewater River c. 2 miles north on Whitewater Canyon Rd. from I-10 freeway 537 Comment
  UCR25980  Cryptantha intermedia John C. Roos 1948-4-24 3807 Riverside Eastern San Bernardino Mtns./Sonoran (Colorado) Desert, Whitewater Wash 549 Comment
  JOTR35213  Cryptantha maritima La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 3637 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; west Pinkham Wash, west of Pinkham Canyon Road; sandy gravel flats near road (Stop 1) Comment
  RSA735320  Cryptantha maritima Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11252 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
  UC1063826  Cryptantha maritima H. S. Yates 1937-3-24 6460 Riverside Deep Canyon Thermal Quad. 609 Comment
  UCR244860  Cryptantha maritima Jim Andre 2012-3-19 21381 Riverside Sonoran (Colorado) Desert, Palen Mountains, along Palen Pass Rd at Palen Pass 383 Comment
  UCR50380  Cryptantha maritima F. R. Fosberg 1930-3-9 S- 01557 Riverside Western Colorado Desert, Devil's Garden; between Morongo Wash and Whitewater Wash. Comment
  UCR202235  Cryptantha micrantha var. lepida 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
  JOTR28753  Cryptantha micrantha var. micrantha La Doux, Tasha, Bill Truesdell 2004-3-11 1034 Riverside Joshua Tree National Park. Pinto Basin; sand hills 530 Comment
  RSA777445  Cryptantha micrantha var. micrantha Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 970 Riverside Blythe-Rice Road, East/Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing 243 Comment
  UCR90417  Cryptantha microstachys D. L. Banks 1995-5-3 0209 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  JEPS67735  Cryptantha muricata W. L. Jepson 1928-4-19 12429 Riverside n of Elsinore 609 Comment
  SEINET238563  Cryptantha muricata George K. Helmkamp 1998-6-27 4094 Riverside Santa Rosa Mtns.: 3.3 mi S of Hwy 74 along Santa Rosa Mtn Rd. in vicinity of an unnamed spring. 1585 Comment
  UC61114  Cryptantha muricata Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  UCR44198  Cryptantha muricata A. C. Sanders 1986-6-1 6537 Riverside San Jacinto Mtns., trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista road [=Apple Canyon Rd.] 1829 Comment
  SBBG19075  Cryptantha muricata var. jonesii M. A. Piehl 1963-6-2 63544 Riverside Hwy 74, ca. 1.2 mi W of Mountain Center 1341 Comment
  RSA0079247  Cryptantha muricata var. jonesii Steve Boyd, Andy Sanders, Mark Skinner 1990-4-28 4457 Riverside Vail Lake area, low, sedimentary hills to E of USFS Dripping Springs Campground along Arroyo Seco Crk, S of Hwy 79. 488 Comment
  UCR279548  Cryptantha nevadensis var. nevadensis A. C. Sanders, Jim Malusa 2017-3-27 43133 Riverside Sonoran (Colorado) Desert, NW edge of Chocolate Mountains, lower Salt Creek on the illegal OHV road from the Coachella Canal to the trestle, inside Navy Aerial Gunnery Range 44 Comment
  RSA0125280  Cryptantha nevadensis var. rigida Duncan S. Bell 2016-3-3 8785 Riverside Whitewater Canyon; near mouth of canyon, approximately 1 air mile south of Bonnie Bell, east side of the road, north of large gravel pit. 460 Comment
  UCSB40036  Cryptantha pterocarya Cowan, Clark 1978-4-23 Riverside 12.1 mi. S. on Hwy. 74 from its jct. with Hwy. 111 at Indian Wells 950 Comment
  POM258906  Cryptantha racemosa E. C. Jaeger 1939-12-3 s.n. Riverside Canyon of Orocopia Mountains, south of Hayfield reservoir. 427 Comment
  RSA499795  Cryptantha racemosa Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  UC857249  Cryptantha racemosa C. L. Hitchcock 1940-4-1 5913 Riverside Cottonwood Spring wash Joshua Tree National Monument Comment
  UCR101577  Cryptantha racemosa 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
  RSA689696  Cryptantha simulans Valerie Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1704 Riverside Slope above junction of Dark Canyon and Fuller Mill Creek. 1494 Comment
  JOTR34177  Cryptantha utahensis Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 138 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Northeast flowing steep side canyon of Pushawalla Canyon, almost parallel to main canyon (Stop 5) 1171 Comment
  UCR16097  Cryptantha utahensis Loretta Bates 1978-4-15 s.n. Riverside Sonoran (Colorado) Desert, Box Canyon Road, 1 mi. north of Painted Canyon Road and 5 mi. north of Mecca. Comment
  RSA77418  Cucurbita palmata F. W. Peirson 1916-04 1206 Riverside Near Palm Springs. Comment
  UC28915  Cucurbita palmata H. M. Hall 1901-8-6 2654 Riverside vicinity of Riverside 457 Comment
  SFV7077  Cuscuta campestris T. Gordon, K. A. Wilson, M. H. Grayum, K. Felt 1974-11-16 777 Riverside Bottomlands of Colorado River at Agnes Wilson Road. 104 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
  UCR214153  Cuscuta denticulata T. B. Salvato 2010-4-20 4052 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  UCR275580  Cuscuta salina T. B. Salvato, Jennifer Weiland 2005-6-13 605- 5 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
  UCR263232  Cycloloma atriplicifolium A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41458 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 2.95 miles ESE of Cabazon, c. 0.84 mi. NNW (335 deg. ) of One Horse Spring, south of I-10 and SE of water bottling plant, edge of wind farm 452 Comment
  SEINET11044078 Image available Cylindropuntia californica var. parkeri Marc A. Baker, Emily Mastrelli 2015-4-20 18330 Riverside The Badlands 600m SSW of the intersection of San Timoteo Canyon Road and Redlands Blvd., 23 km ENE of central Riverside, 20 km SE of central San Bernardino 567 Comment
  SEINET5624470 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2012-1 17535 Riverside Chuckwalla Mountains, along Corn Springs Wash, 2.5km WNW of Com Spring, 69km west of Blythe, Corn Spring 7.5' USGS topographic quadrangle 550 Comment
  POM294993  Cylindropuntia echinocarpa David Griffiths 1905-7-21 8010 Riverside Whitewater. Comment
  RSA0083636  Cylindropuntia ganderi Lyman Benson 1955-12-6 15627 Riverside San Jacinto Mountain Range. Pines-to-Palms Highway. 1220 Comment
  UCD169559  Cylindropuntia prolifera John F. Green 2006-5-2 s.n. Riverside Unincorporated area along San Diego Aqueduct Corridor, 1 km due W of Skunk Hollow, between Nicholas Rd. and Borel Rd., E of Murrieta Hot Springs. 421 Comment
  CHSC36065  Cynodon dactylon Paul Bailey 1972-5-14 131 Riverside Roadside 5 miles SE of Temecula, Hwy S 16, Pechanga Canyon. 670 Comment
  RSA595330  Cynodon dactylon D. L. Banks, Victor Steinmann 1996-4-20 878 Riverside NW Palomar Mountains; Agua Tibia Mountains; N face of Dorland Mtn., on the W side of the Dorland Mountain Arts Colony; Along a circular drive that runs along the W end of the compound. 567 Comment
  UCR64262  Cyperus difformis Scott D. White 1990-9-25 s.n. Riverside Santa Rosa Plateau, c. 5 mi (airline) SW of Temecula, on Via Yerba Road, east of Via Vaquero Road 415 Comment
  UCR275358  Cyperus eragrostis T. B. Salvato, Melissa Clemons 2005-6-9 1501 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  VVC698  Cyperus eragrostis P. J. MacKay, T. Thomas, A. C. Sanders 1997-2-8 97 Riverside Colorado Desert, Palm Springs, Tahquitz debris basin mouth of Tahquitz Canyon Comment
  RSA666722  Cyperus involucratus A. C. Sanders, Steven R. Hill 2001-5-4 24149 Riverside Santa Ana Mountains region: W of Temecula, Santa Rosa Plateau area, Carancho Rd. at stream crossing (nameless tributary to De Luz Creek) just west of Camaron Rd., east of Calle Calmar., 33 29.6 N, 117 15.9 W 396 Comment
  UCR14391  Cyperus rotundus George K. Helmkamp 1974-7-14 s.n. Riverside Riverside, Massachusetts at Iowa Street Comment
  RSA719784  Cyperus squarrosus Naomi Fraga, et al. 2006-7-11 1724 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  POM1191  Dactylis glomerata D. L. Crawford, I. M. Johnston 1917-6-9 1227 Riverside Santa Ana River near Corona Comment
  UCD60302  Dactyloctenium aegyptium Brad Ballen 1984-11-22 s.n. Riverside North side of Avenue 48, 300 m west of Hjorth Avenue, southwest of Indio. Comment
  POM14018  Dalea mollis P. A. Munz 1922-4-8 4738 Riverside Mecca, Colorado desert. -30 Comment
  SEINET958514  Dalea mollis Dave Silverman, Cindy Hopkins 2005-1 5757 Riverside NE Riverside Co., Rice Valley, SE of Danby Dry Lake, S. of Highway 62, along Midland (Blythe-Rice) Roadside, S. of railroad crossing, ca. 234 m elev. 234 Comment
  RSA404193  Dalea mollissima L. C. Wheeler 1931-11-26 391 Riverside Salton Bench Mark, Colorado Desert. -15 Comment
  RSA778248  Dalea mollissima Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 934 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  CAS-BOT-BC283036  Dasyochloa pulchella Carl B. Wolf 1932-4-27 3034 Riverside Mecca - Blythe Road 3/4 mi. west of Utopia, Colorado Desert 152 Comment
  SEINET10562293  Dasyochloa pulchella Charles L. Hitchcock 1940-4-1 Hitchcock 5907 Riverside 1 mile below Cottonwood Springs, Joshua Tree Nat. Monument. Comment
  RSA381083  Datisca glomerata R. F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61178 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  IRVC28825  Datura discolor Mark A. Elvin 2005-4-26 4234 Riverside Coachella Valley/Indio Hills; N of I-10. Northern Sonoran Desert 198 Comment
  UCR51987  Datura stramonium Steve Boyd 1987-10-10 2093 Riverside Riverside, N Main St. just south of Santa Ana River 250 Comment
  RSA588168  Datura wrightii D. L. Banks, Steve D. Boyd 1995-10-17 802 Riverside NW Palomar Mountains. Agua Tibia Mountains. Cleveland National Forest. Agua Tibia Wilderness Area. Along lower Arroyo Seco. S of the Dripping Springs Campground. Along the narrow benches where Arroyo Seco turns E, just W of the Metasedimentary hills. 524 Comment
  UC1519491  Deinandra fasciculata Robert Gustafson and Gary Wallace 1983-6-23 2720 Riverside along Clinton Keith Road ca 2 1/2 mi from its junction Hwy 15; Santa Ana Mts. Comment
  UC1929622  Deinandra fasciculata Scott D. White, Michael Honer 2003-6-3 9458 Riverside SANTA ANA MOUNTAINS: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. Comment
  CAS-BOT-BC294116  Deinandra kelloggii R. F. Hoover 1968-6-7 11155 Riverside Lower St. Johns Canyon south of Hemet Comment
  JEPS122468  Deinandra kelloggii J. M. Andre 2012-6-15 30542 Riverside San Jacinto Mountains; west slopes of range slong Poppet Flat Road, Poppet Creek Canyon, 3.2 miles west of Highway 243. Lake Fulmor 7.5' Q. Comment
  UC111301  Deinandra kelloggii C. M. Wilder 1907-11-1 742 Riverside Head of Pigeon Pass Comment
  CHSC110010  Deinandra mohavensis V. Soza; Steve Boyd, Neil Gilbert 2000-12-6 1067 b Riverside Peninsular Ranges, San Jacinto Mountains region: McCall Memorial Park Campground. 1311 Comment
  RSA0098342  Deinandra paniculata Marc A. Baker, Danny Cuellar, Chris Taylor, Paul Roberge, Cecile Shohet, Youssef Atallah 2015-7-3 18378 Riverside 1.8 km south of San Timoteo Wash, 15 km SE of central San Bernardino, 35m south of the San Bernardino County line. 491 Comment
  SD233743  Deinandra paniculata A. C. Sanders, Kelly Volansky 2003-10-16 27335 Riverside Moreno Valley: lower Pigeon Pass Valley, NE corner of intrsection of Old Lake Dr. and Pigeon Pass Rd. Alluvial slopes and low hills cut by sandy washes. 534 Comment
  UC69879  Deinandra paniculata C. M. Wilder 1905-7-25 127 Riverside Jurupa Hills Comment
  JEPS5522  Delphinium hesperium subsp. cuyamacae W. L. Jepson 1901-6-1 1473 Riverside Cahuilla Valley Comment
  UC854174  Delphinium parishii subsp. parishii Alice Eastwood 1913-4-30 2999 Riverside Palm Springs Comment
  UCR21932  Delphinium parryi Steve Boyd 1980-5-2 157 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  RSA544431  Deschampsia danthonioides Steve Boyd, Timothy S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6337 Riverside Skunk Hollow area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aquaduct. Comment
  UCR24984  Deschampsia elongata A. C. Sanders 1980-8-21 1778 Riverside San Jacinto Mountains, Mt. San Jacinto Wilderness Area. east of Saddle Junction at the head of Tahquitz Creek, c. 2 mi NE of Idyllwild 2409 Comment
  UCR279340  Descurainia pinnata A. C. Sanders, Jim Malusa 2017-3-23 42948 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 3 miles east of Iris Pass 854 Comment
  JOTR34290  Descurainia pinnata subsp. glabra Andre, Jim 2012-4-11 20699 Riverside Joshua Tree National Park. N. end of Hexie Mountains, Hidden Tank Picnic Area, approx. 8 mi south of north entrance station, and 1.4 mi SW of paved road (Rte 11) 1076 Comment
  UC136971  Descurainia pinnata subsp. glabra T. S. Brandegee 1902-5-14 Riverside Whitewater; San Bernardino Comment
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Jan 15 2010
  RSA586140  Dicentra chrysantha D. L. Banks 1995-4-11 183 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, along the Dripping Springs Trail. 646 Comment
  UC64141  Dicentra chrysantha H. M. Hall May 1899 1216 Riverside Smith's Mt. Comment
  JOTR37060  Dichelostemma capitatum subsp. capitatum La Doux, Tasha, M. Harding, J. Heintz, D. Thomas 2015-4-23 3546 Riverside Joshua Tree National Park. Little San Bernardino Mountains, north of Eureka Peak road; along northward corridor with California Riding and Hiking Trail, sandy wash bottom with steep granite rocky slopes Comment
  RSA652656  Dichelostemma capitatum subsp. pauciflorum W. M. Zabriskie 1973-3-21 140 Riverside Beeseep Canyon, Deep Canyon drainage, N slope Santa Rosa Mtns. 304 Comment
  CAS-BOT-BC292178  Dicoria canescens J. Von Loh 1977-10-30 2601 Riverside Margin of Ford Dry Lake Comment
  CAS-BOT-BC292187  Dicoria canescens M. E. Jones 1933-12-29 s.n. Riverside Cabazon Comment
  CAS-BOT-BC292200  Dicoria canescens W. R. Dudley 1903-12-1 s.n. Riverside Near Palm Springs Comment
  OBI26028  Dicoria canescens David J. Keil 1977-1-2 11935 Riverside W of Blythe along I-10 Comment
  POM356428  Dicoria canescens Allen 1921-10-1 s.n. Riverside Palm Springs. Comment
  SBBG61157  Dicoria canescens M. E. Jones 1928-1-3 Riverside Indio -4 Comment
  SFV11885  Dicoria canescens R. H. Swade 1963-12-7 s. n. Riverside Colorado Desert Open desert west of Snow Creek Road, about 3 miles south of Interstate 10 intersection with California State Highway 111. 366 Comment
  UCR82893  Dicoria canescens A. C. Sanders, C. L. Sanders, S. D. White 1994-10-9 15805 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  UCR85283  Dicoria canescens Bern Schwenn 1994-3-21 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Park and vicinity, Little San Bernardino Mtns, along radio tower road in first canyon west of mouth of Pushawalla Canyon, east of Upper Thousand Palms Canyon 610 Comment
  UCR93088  Digitaria sanguinalis A. C. Sanders, S. Ogg 1994-7-28 15179 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  SD186336  Diplacus aurantiacus Andy C. Sanders 2004-4-20 27534 Riverside Santa Rosa Plateau, 0.5 km west of Tenaja Road and north of the San Diego County line 640 Comment
  OBI9550  Diplacus clevelandii H. E. McMinn 1945-6-7 1895 C Riverside Along Indian Truck Trl, E side of Santa Ana Mts 960 Comment
  RSA0019425  Diplacus fremontii Christopher Davidson 1975-6-16 2808 Riverside 5.4 miles N of Alandale Station on road R1 from Idyllwild to Banning. 1652 Comment
  RSA0021693  Ditaxis claryana J. Andre 2013-3-27 24823 Riverside Riverside Mountains; east side of Riverside Mountains, along Hwy 95, 13.2 mi. south of Vidal Jct. 126 Comment
  JOTR37429  Ditaxis lanceolata La Doux, Tasha 2016-3-9 3664 Riverside Above Hayfield Dry Lake - Stop 3 524 Comment
  HSC47312  Ditaxis neomexicana R. W. Spjut 1978-5-17 5042 Riverside Colorado Desert, N face of Chuckawalla Mtns., 2.7 mi. S of Desert Center 335 Comment
  UCR178551  Ditaxis serrata R. G. Swinney 1967-3-12 079 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, north side, south of Desert Center 366 Comment
  JOTR35390  Dithyrea californica Harding, Mitzi, J. Hoines, E. Kramer 2012-2-2 178 Riverside Joshua Tree National Park. eastern Eagle Mountains; near Pinto Wells, sand ramps and large active wash between sand hills and basalt outcrops 286 Comment
  RSA530735  Dithyrea californica George B. Grant 1906-4-8 s.n. Riverside Palm Springs. Comment
  RSA66546  Dithyrea californica F. W. Peirson 1926-1-31 6484 Riverside Abundant on rocky slopes, Dos Palmas [Spring], Colorado Desert. Comment
  UCR256941  Dodecahema leptoceras Naomi Fraga, Duncan S. Bell 2009-5-6 2702 Riverside Arroyo Seco SE of Dripping Springs Campground and Fire Station 518 Comment
  SEINET7073337  Dodecatheon clevelandii 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
  RSA508242  Downingia cuspidata R. F. Thorne 1974-5-23 44682 Riverside Santa Rosa Plateau, Rancho California; grassland area E of Redonda Mesa 610 Comment
  JEPS53492  Draba corrugata var. saxosa F. M. Reed 1908-7-11 2517 Riverside summit of San Jacinto Peak 3291 Comment
  RSA777831  Draba cuneifolia Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 857 Riverside Chuckwalla Mountains, Chuckwalla Mountains Wilderness, off Corn Spring Road, main wash adjacent Corn Spring Road, draining from Corn and Aztec Springs up on Chuckwalla, flowing NNE 396 Comment
  UCR217794  Draba cuneifolia Jim Andre, T. La Doux 2010-2-28 12561 Riverside Lower Colorado River Valley, along Hwy 95 c. 25 miles north of Blythe, on east side of Big Maria Mountains, under radio tower 83 Comment
  POM11499  Draba saxosa P. A. Munz 1922-7-6 6021 Riverside Between Hidden Lake and Round Valley. 2561 Comment
  CLARK-A1528-5229  Draba sonorae John C. Roos 1952-3-19 5402 Riverside Box Springs Mountains 457 Comment
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Oct 23 2014
  UCR92329  Dryopteris arguta Scott D. White, M. D. Wilcox 1995-7-11 3468 Riverside Peninsular Range; Santa Ana Mtns., upper forks of Decker Canyon, SW of Main Divide Truck Trail 730 Comment
  UCR271408  Dudleya abramsii subsp. abramsii John F. Emmel 2001-4-28 1701 Riverside San Jacinto Mountains, Garner Valley, 0.2 air mile south of trailhead parking area for Ramona Trail 1402 Comment
  RSA397786  Dudleya lanceolata Christopher Davidson 1977-5-25 5658 Riverside Mesa de Burro, Santa Rosa Plateau area 701 Comment
  RSA487429  Dudleya lanceolata Steve Myers 1998-5-17 s.n. Riverside Santa Rosa Springs Ranch, 0.25 mi. W of N end of Mesa de Burro, W of town of Murrieta Comment
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Dec 5 2014
  RSA192089  Dudleya pulverulenta E. W. Lathrop 1966-5-15 6317 Riverside 3 miles SE of Murrieta on the De Luz Road. Comment
  RSA0123698  Dudleya saxosa subsp. aloides Duncan S. Bell, LeRoy Gross 2016-3-30 9166 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  SEINET3101914  Dudleya saxosa subsp. aloides Marc A. Baker, with Michelle Cloud-Hughes 2011-6-10 17358 Riverside along Morris Ranch Road, 400m north of Kenworthy Station, 4km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain Comment
  JOTR01123  Echinocereus triglochidiatus Cole, James E. 1941-5-17 730 Riverside Joshua Tree National Park. COVINGTON FLAT CANYON 1371 Comment
  UCD60917  Echinochloa crus-galli F. M. Reed 1918-9-15 4012 Riverside Bluffs Ranch. Comment
  UCR6147  Echinochloa crus-galli C. M. Bringle, O. F. Clarke, et al. 1967-5-18 s.n. Riverside Santa Ana River bottom. Along banks of river behind Herrs' residence, 5453 Grassy Trails Drive. Taking path leading from pasture behind house, turn right at first fork and proceed along riverbank 229 Comment
  RSA750102  Eichhornia crassipes R. E. Riefner 2009-2-25 9 -18 Riverside city of Lake Elsinore, south side of Temescal Wash, west of Hwy 74, vicinity of Bromley Ave. at Bennett St. 380 Comment
  UCR207560  Eleusine indica O. F. Clarke 2004-7-7 s.n. Riverside San Bernardino Valley Region, Riverside, Victoria Ave. bridge at Arroyo Tequesquite 262 Comment
  HSC79579  Elymus condensatus Paul Bailey 1972-5-14 126 Riverside 6 miles NE of Temecula near Rancho California Drive, Tucalota Hills. 457 Comment
  UCR96414  Elymus elymoides Scott D. White 1996-8-1 4404 B Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  UC38219  Elymus elymoides subsp. elymoides H. M. Hall 1901-7 2409 Riverside Tamarack Valley San Jacinto Mountains 2804 Comment
  LA14813  Elymus glaucus H. S. Yates; 1937-6-27 6713 Riverside San Jacinto Mountains, near Idlewild (Idyllwild) 1676 Comment
  RSA754125  Elymus trachycaulus W. Schlegel, Andrew Troutte, Jordan Zylstra 2008-8-29 16 Riverside Idyllwild: Skunk Cabbage Meadow. 2449 Comment
  UC37017  Elymus trachycaulus H. M. Hall June, 1901 2174 Riverside Thomas Valley San Jacinto Mountains 1371 Comment
  UCR2372  Elymus triticoides F. M. Reed 1907-6-23 1445 Riverside Santa Ana River, City of Riverside, old field in the Santa Ana River bottom above the bridge on the West Riverside Road 244 Comment
  RSA33584  Emmenanthe penduliflora N. C. Cooper 1944-5-21 1269 Riverside West side. Burned over canyon 1067 Comment
  UCR120307  Emmenanthe penduliflora Mitch Provance 1997-5-18 1093 Riverside Jurupa Mountains, Pyrite Canyon, c. 0.4 km south of the end of Savonia Dr. in Southridge, Fontana, just on the Riverside Co. side of the county line 351 Comment
  UCR4140  Emmenanthe penduliflora Ronald M. Cope 1965-3-13 s.n. Riverside Western Colorado Desert/ San Bernardino Mtns., small canyon on west side of Whitewater Canyon Road about 2 mi from trout hatchery 549 Comment
  RSA757796  Emmenanthe penduliflora var. penduliflora LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4291 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
  RSA688855  Encelia actoni Scott D. White, Michael Honer 2003-5-13 9251 Riverside San Bernardino Mtns: Whitewater Canyon, ca. 2 miles north of Bonnie Bell. 579 Comment
  UCR238216  Encelia actoni Mark A. Elvin 2004-8-3 3654 Riverside Peninsular Ranges: San Jacinto Mountains, Garner Valley, east of Hwy 74, southof Fobes Ranch Road, north of Morris Ranch Road 1402 Comment
  UCSB12291  Encelia californica Tarwater, Shirley 1961-3-30 Riverside 5 miles from Highway 71, on Lake Matthews Rd. 152 Comment
  LA202445  Encelia farinosa T. A. Geissman; sn Riverside Joshua Tree National Monument, S entrance Comment
  LA202451  Encelia farinosa Harlan Lewis; 1936-4-18 sn Riverside White Water 304 Comment
  RSA696889  Encelia farinosa J. Russell Bruff 1927-3-13 s.n. Riverside Thousand Palms Comment
  SEINET2050574 Image available Encelia farinosa C. F. Shutts 1949-3-28 100 Riverside Palms Springs to Pine Highway State 74. Santa Rosa Mountains. Palm Springs 747 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
  UCR120933  Encelia farinosa A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24933 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR165826  Encelia farinosa John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  CAS-BOT-BC131422  Encelia frutescens H. M. Hall 1905-4-1 5939 Riverside McCoy Wash 91 Comment
  SEINET10616296  Encelia frutescens David B. Dunn 1948-1-25 Dunn 3643 Riverside Found 1 mile southeast of Cabayon in the Bannings Pass between San Jacinto Mountains and the San Gorgonio Mountains. Comment
  LA6787  Ephedra aspera Harlan Lewis; 1939-4-9 sn Riverside Indio Comment
  JOTR16664  Ephedra californica Walters, Jim 1967-4-30 s.n. Riverside Joshua Tree National Park. STIRRUP TANK 1097 Comment
  RSA777283  Ephedra californica Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4739 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 600 Comment
  SBBG56452  Ephedra californica M. N. Ackley 1928-3-11 Riverside Bridge Haven [Service Station in Whitewater, 1920s -1950] 426 Comment
  SJSU126  Ephedra californica C. D. Duncan 1933-3-24 Riverside Palm Springs Comment
  UCR133659  Ephedra californica Chet McGaugh 2004-2-25 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, northern Palm Springs, near the Whitewater River channel, NW corner of Sunrise Way and San Rafael 171 Comment
  UCSB9561  Ephedra californica Garrett, S. 1956-4-14 Riverside Desert area in town of White Water mouth of White Water Cyn. Comment
  RSA0020369  Ephedra nevadensis Duncan S. Bell 2012-3-4 3128 Riverside Arica Mountains; west side of range, approximately 2.3 air miles west of Priests Well. 420 Comment
  RSA678363  Ephedra nevadensis Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10502 Riverside West side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains Comment
  RSA575911  Epilobium brachycarpum Steve Boyd, D. L. Banks 1994-9-29 8371 Riverside Floodplain E of dike along San Jacinto River, W of Sedco Hills community. 381 Comment
  CAS-BOT-BC171731  Epilobium canum subsp. latifolium Francis M. Fultz 1917-1-1 s.n. Riverside Idlewyld, San Jacinto Mts. Comment
  CAS-BOT-BC5226  Epilobium canum subsp. latifolium Winifern W. Swarth 1914-9-9 s.n. Riverside San Jacinto Mts. Comment
  UC64311  Epilobium canum subsp. latifolium H. M. Hall 1901-6 2330 Riverside ridges and peaks near Tauquitz; San Jacinto Mountains 2133 Comment
  POM10085  Epilobium ciliatum subsp. ciliatum Charlotte M. Wilder 1906-10-8 885 Riverside Fairmont Park. 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
  SD146207  Epilobium pygmaeum A. C. Sanders, T. B. Salvato 2000-5-25 23418 Riverside Menifee Valley: S. of Newport Road, N. of Holland Road & E. of Bradley Road , 2 miles due E. of Railroad Canyon Lake. (Romoland 7.5' Q) Coastal sage & sparse Chaparral, much of the parcel (flatter areas) cleared a year ago. Uncommon annual in dried pools. 438 Comment
  JEPS64367  Epipactis gigantea Marjorie Clary 1931-3-29 2 Riverside Coachella Valley Santa Rosa Mts. (desert wash of mts.) 152 Comment
  POM48356  Epipactis gigantea Philip A. Munz, I. M. Johnston 1924-7-27 8793 Riverside Dark Canyon, San Jacinto Mountains 2134 Comment
  RSA381703  Epipactis gigantea H. de Forest, Jack Rempel 1934-4-14 s.n. Riverside Andreas Canyon. 305 Comment
  RSA381721  Epipactis gigantea A. Menke 1955-4-25 s.n. Riverside Andreas Canyon, Palm Springs. Comment
  RSA568558  Epipactis gigantea George Henry Grinnell 1924-5-20 s.n. Riverside Riverside. Comment
  SBBG28899  Epipactis gigantea N. C. Cooper 1944-4-8 1062 Riverside Andreas Cyn 365 Comment
  UC4492  Epipactis gigantea H. M. Hall July, 1901 2370 Riverside vicinity of Strawberry Valley San Jacinto Mountains 1645 Comment
  UC455182  Epipactis gigantea I. J. Condit 1910-6-24 Riverside San Jacinto Mts.; near spring 914 Comment
  UCR19157  Epipactis gigantea John C. Roos 1948-5-29 3870 Riverside San Bernardino Mtns., Whitewater Canyon 856 Comment
  CLARK-A1528-24  Equisetum arvense Ruth Cooper 1952-9-12 635 f Riverside Riverside Comment
  RSA612920  Equisetum arvense L. C. Wheeler 1931-10-4 214 Riverside San Jacinto Mts. Strawberry valley 1554 Comment
  MACF022019  Equisetum laevigatum Katherine Jizba 1977-4-30 Riverside Roadside in Pine Cove Rt. 1 Comment
  POM267974  Eragrostis cilianensis E. Johnson 1943-10-29 29 Riverside Coachella. Comment
  RSA314486  Eragrostis cilianensis R. F. Thorne 1982-10-8 55365 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  CLARK-A1528-4640  Eragrostis curvula John C. Roos 1965-9-16 Riverside Lakeview Comment
  UCR92729  Eragrostis lehmanniana A. C. Sanders, S. Ogg 1994-7-28 15167 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  UCR2389  Eragrostis pectinacea var. pectinacea F. M. Reed 1918-11-3 4020 Riverside Riverside Comment
  UCR25238  Eragrostis pectinacea var. pectinacea Alfred R. Roos 1937-8-17 10610 Riverside San Jacinto Comment
  JOTR32131  Eremalche exilis La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2287 Riverside Joshua Tree National Park. Pleasant Valley, south of Gold Coin mine complex; mud flats and sandy hummocks on valley floor (Stop 5) 959 Comment
  POM2934  Eremalche exilis I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. 274 Comment
  RSA584898  Eremalche exilis C. Reiser 1991-3-26 s.n. Riverside Gavilan Hills, Harford Springs County Park, northwestern corner of Park south of harford Spring and north od trailer park. 579 Comment
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Mar 4 2013
  UCR244444  Eremalche exilis Jim Andre 2012-4-16 20935 Riverside Southern Mojave Desert, Joshua Tree National Park; along Geotour Road, at north end of one-way loop in Pleasant Valley at foot (south end) of Hexie Mtns, 6.7 mi. south of (paved) National Park Loop Rd. 990 Comment
  RSA0047091  Eremalche rotundifolia Aaron C. Sedgwick, David Fraker 2012-3-28 26 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  JEPS31756  Eremothera refracta E. E. Schellenger April 1920 Riverside Chuckawalla Bench Colorado Desert Comment
  RSA0126636  Eremothera refracta Duncan S. Bell 2016-3-4 8801 Riverside Orocopia Mountains; northwestern corner of range; collecting in the Orocopia Mountains Wilderness area in an unnamed canyon approximately 3.75 air miles northwest of the summit of the range. 738 Comment
  GMDRC6577  Eriastrum densifolium subsp. austromontanum J. M. Andre 2012-6-15 30534 Riverside San Jacinto Mountains: along Hwy 243, 10.7 mi. south of Interstate 10 (Banning); SB Natl. Forest 1499 Comment
  UCR252812  Eriastrum densifolium subsp. sanctorum Ana Hernandez, Angela Collada 2013-6-12 046 Riverside Santa Ana River, between Market Street and Mission Blvd 245 Comment
  UC1392684  Eriastrum eremicum R. F. Hoover 1969-4-14 11229 Riverside just s south city limit; Palm Springs Comment
  JOTR34313  Eriastrum eremicum subsp. eremicum Andre, Jim 2012-4-11 20811 Riverside Joshua Tree National Park. Western margin of Eagle Mountains; 0.6mi south of Cottonwood Visitor Ctr. along Rte 11 912 Comment
  RSA0120081  Eriastrum eremicum subsp. eremicum R. F. Thorne, W. A. Tilforth 1980-5-28 54176 Riverside San Bernardino Mountains, dry, Colorado Desert slopes, S-facing and W-facing, N-S rocky ridge at E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 miles E of Whitewater Post Office. Comment
  UCR133003  Eriastrum sapphirinum 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
  UCR58302  Eriastrum sapphirinum George K. Helmkamp 1989-10-7 s.n. Riverside San Jacinto Mtns, N slope of Thomas Mtn, 1 mi. SW of Hwy 74 on Thomas Mtn Road 1500 Comment
  RSA0121565  Eriastrum sapphirinum subsp. dasyanthum N. C. Cooper 1949-6-3 4154 Riverside Temecula. 762 Comment
  RSA0122014  Eriastrum sapphirinum subsp. dasyanthum F. M. Reed 1926-5-8 5309 Riverside Rocky hills south of Perris on Elsinore Road. Comment
  UCR204183  Eriastrum sapphirinum subsp. sapphirinum LeRoy Gross, Duncan Bell 2008-9-16 3581 Riverside Peninsular Range; San Jacinto Mountains, west side of Garner Valley, near Hwy 74, c. 0.25 mi north from Ramona trailhead parking area 1365 Comment
  JEPS19170  Ericameria cuneata var. spathulata W. L. Jepson 1928-4-25 12582 Riverside Cottonwood Spring Colorado Desert, Eagle Mts., Cottonwood Spring 914 Comment
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Oct 9 2010
  RSA520085  Ericameria cuneata var. spathulata Steve Boyd 1988-10-8 2859 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  RSA545233  Ericameria cuneata var. spathulata R. F. Thorne 1970-10 41883 Riverside San Bernardino Mts, Whitewater Canyon: 1350ft near bridges and Whitewater Post Office to 2000 ft up the Canyon toward fish hatchery Comment
  SD82891  Ericameria linearifolia Larry DeBuhr 1972-3-24 533 Riverside Santa Rosa Mountains, along forest road 7S02. 1769 Comment
  RSA696813  Ericameria monactis W. Marquart 1938-3-12 s.n. Riverside Mule Mts. S. of Chuckawalla Range. Comment
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May 28 2014
  CAS-BOT-BC298881  Ericameria nauseosa var. bernardina Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mts Comment
  POM39789  Ericameria palmeri var. pachylepis Marcus E. Jones 1900-7-6 s.n. Riverside Perris. Comment
  UC1929322  Ericameria palmeri var. pachylepis Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10666 Riverside San Jacinto Mountain foothills; Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. Comment
  UCR141252  Ericameria palmeri var. pachylepis A. C. Sanders, Kelly Volansky 2004-10-6 28818 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
  SBBG62855  Ericameria parishii J. E. Butner 1948-10-3 658 Riverside a few mi from Idyllwild Comment
  CAS-BOT-BC131641  Ericameria parishii var. parishii Edmund C. Jaeger 1922-8-20 1004 Riverside Long Valley - Palm Springs trail, San Jacinto Mts. 1524 Comment
  RSA719791  Erigeron breweri var. jacinteus Naomi Fraga, Ilene Anderson, Mike Hamilton, Michael Wall, Gary D. Wallace 2006-9-7 1741 Riverside Along trail to Hidden Lake Divide. 2591 Comment
  POM263241  Erigeron foliosus J. C. Roos 1938-5-26 474 Riverside La Sierra. Comment
  RSA450424  Erigeron foliosus J. C. Roos 1965-6-19 s.n. Riverside Skyline Drive, S of Corona Comment
  SD247325  Erigeron foliosus T. B. Salvato, Matt Malle 2014-5-29 8019 Riverside Perris-Aguanga Basin: Menifee, northeast corner of Bundy Canyon Road and Cottonwood Hills (=Sunset Ave), about 1 mile west of Murrieta Road and 4.3 mile southeast of Canyon Lake. 534 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
  CLARK-A1528-61  Eriochloa acuminata John C. Roos 1951-9-25 5294 Riverside Riverside 259 Comment
  UC70944  Eriochloa aristata var. aristata E. E. Schellenger 1905-12-1 5 Riverside Colorado Desert, Colorado River Colorado River; Colorado Desert, Colorado River Comment
  UCSB45569  Eriochloa contracta Roos, John 1963-8-10 Riverside Blythe Comment
  CAS-BOT-BC189084  Eriodictyon crassifolium Nancy Ryan Zabriskie; Walter Zabriskie 1970-3-27 269 Riverside Adjacent to and above stream below Andreas Canyon Club clubhouse, Andreas Canyon 304 Comment
  SD137735  Eriodictyon crassifolium Darin L. Banks, Steve Boyd 1995-3-30 127 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N slope pf Agua Tibia Mt. W of Dripping Springs Alcove, on Woodcuck Trail 633 Comment
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Mar 2 2013
  UC708743  Eriodictyon crassifolium H. K. Wagnon 1944-5-30 405 Riverside along Tahquitz Creek (Palm Springs); along Tahquitz Creek, Palm Springs Comment
  VVC255  Eriodictyon crassifolium var. nigrescens P. J. MacKay 1975-4-12 s.n. Riverside Southern California, Rancho La Sierra, just south of Hwy 91 near Green River Dr. Exit 210 Comment
  CAS-BOT-BC188969  Eriodictyon parryi H. M. Hall 1901-7-1 2502 Riverside Vicinity of Strawberry Valley 1828 Comment
  UCR277737  Eriodictyon trichocalyx Mitch Provance 2012-1-26 112- 02 Riverside Badlands of Western Riverside County, San Timoteo Creek, about 3.5 miles west of Beaumont, N side of Hwy. 60 1479 Comment
  UCR193863  Eriogonum A. C. Sanders, Mitch Provance 2008-7-11 35816 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  SBBG123018  Eriogonum apiculatum L. Wheeler 1945-10-7 6412 Riverside divide between W Fk Snow Crk and N Fk San Jacinto River 2377 Comment
  SBBG61839  Eriogonum apiculatum R. Hoffmann 1929-9-10 Riverside Tahquitz Pk 2438 Comment
  SBBG61842  Eriogonum apiculatum R. Hoffmann 1929-9-7 Riverside Fuller's Mill Comment
  UC6235  Eriogonum apiculatum H. M. Hall July, 1901 2564 Riverside Fuller's Mills Mountains San Jacinto Mountains, Fuller's Mills Mountains Comment
  UCR18394  Eriogonum apiculatum A. C. Sanders 1978-9-3 549 Riverside San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  UCR163043  Eriogonum baileyi 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
  SEINET6340538  Eriogonum davidsonii B. Thomas 1967-10-22 346 -83 Riverside Fulmar lake, 8 miles N of Idyllwild, of Co. Rd. R-1 1829 Comment
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Nov 8 2015
  UCR58876  Eriogonum deflexum J. M. Stewart 1989-10-16 611 Riverside Sonoran (Colorado) Desert, along Hwy 95, 5.6 mi. south of Vidal Comment
  UCR72173  Eriogonum deflexum Theo Glenn 1991-5-15 91- 134 Riverside Sonoran (Colorado) Desert, Little Maria Mountains, NW of Blythe 351 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
  JEPS35731  Eriogonum deflexum var. deflexum Marjorie D. Clary 1932-5-8 1093 Riverside Beal to Wiley Well; Colorado Desert, Chocolate Mts. 152 Comment
  RSA554428  Eriogonum deflexum var. deflexum Theo Glenn 1991-5-2 91 -124 Riverside Arica Mtns, SW of Rice. 340 Comment
  RSA192059  Eriogonum elongatum E. W. Lathrop 1965-12-9 6035 Riverside 5 miles southwest of Murrieta on the De Luz truck trail. 457 Comment
  SD137668  Eriogonum elongatum var. elongatum Darin L. Banks, Steve Boyd 1995-10-17 772 Riverside Agua Tibia Mountains: Cleveland National Forest, Agua Tibia Wilderness Area; along lower Arroyo Seco, S of the Dripping Springs Campground on broad benches N of where Arroyo Seco turnes to the E 512 Comment
  GMDRC5485  Eriogonum fasciculatum var. flavoviride J. Andre 2012-4-11 20827 Riverside Little San Bernardino Mountains: western margin of Eagle Mtns, along road to Cottonwood Spr (Utah Trail), 0.6 mi. south of Cottonwood Visitor Ctr. 913 Comment
  CAS-BOT-BC249956  Eriogonum fasciculatum var. foliolosum P. A. Munz; R. D. Harwood 1920-2-28 3257 Riverside 3 mi west of Corona 335 Comment
  CAS-BOT-BC249962  Eriogonum fasciculatum var. foliolosum M. Bourell; R. Patterson; S. Timbrook 1986-4-7 2951 Riverside Temescal Canyon Rd. ca. 1 mi. SE of Glenn Ivy Hotsprings [Hot Springs] Rd. ca. 200 m. from RR overpass 259 Comment
  UC454353  Eriogonum fasciculatum var. foliolosum I. J. Condit 1920-6-24 Riverside San Jacinto Canyon Comment
  UCR141248  Eriogonum fasciculatum var. foliolosum A. C. Sanders, Kelly Volansky 2004-10-6 28816 Riverside Santa Ana Mtns./Santa Rosa Plateau, 41050 Avenida La Cresta, south of Sierra Maria Rd. and c. 1.5 mi. north of Tenaja Rd., c. 2 miles NW of the Mesa de Colorado 671 Comment
  UCSB50075  Eriogonum fasciculatum var. foliolosum Millett, B. 1980-5-17 Riverside On Teneja Road, 10 miles west of its junction with Clinton-Keith Road 365 Comment
  RSA393346  Eriogonum fasciculatum var. polifolium N. C. Cooper 1944-7-15 1572 Riverside Banning. 701 Comment
  UC849408  Eriogonum fasciculatum var. polifolium C. L. Hitchcock 1940-3-30 5874 Riverside Cottonwood Spring Comment
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Oct 9 2010
  SBBG62100  Eriogonum gracile P. A. Munz 1928-9-6 11284 Riverside near Santa Ana River, Ontario to Corona Rd Comment
  SEINET9037370 Image available Eriogonum gracile var. gracile M. Wall 2003-9-6 344 Riverside Peninsular Ranges; Perris-Aguanga Basion region; 540 Comment
  RSA487225  Eriogonum gracile var. incultum James L. Reveal, C. Rose Broome 1987-6-27 6614 Riverside San Jacinto Mountains, along Morris Ranch Road, 1.9 mile northeast of California Hwy 74 and about 1.5 mile northeast of Kenworthy Guard Station, about 8 airline miles southeast of Mountain Center. 1585 Comment
  RSA737124  Eriogonum gracile var. incultum Justin M. Wood 2008-10-15 190 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCSB8539  Eriogonum inflatum Wedberg, H. 1957-3-23 Riverside Whitewater Cyn Comment
  RSA131328  Eriogonum inflatum var. inflatum Peter H. Raven 1958-1-23 s.n. Riverside Sandy wash along United States Highway 99 [Hwy 10], 7.8 miles west of Thousand Palms turnoff. Comment
  RSA761996  Eriogonum nudum var. pauciflorum Peter Guiden, C. Martinez, Naomi 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
  CLARK-A1528-5212  Eriogonum pusillum John C. Roos 1943-5-23 2667 Riverside Little San Bernardino Mountains 914 Comment
  SJSU1822  Eriogonum pusillum J. W. Tilden 1957-4-18 1097 Riverside near Whitewater E of San Gorgonio Pass Comment
  GMDRC2048  Eriogonum saxatile J. Andre 2006-4-26 6781 Riverside Little San Bernardino Mountains: Joshua Tree National Park: Long Canyon, approx. 2.3 mi. S. of NE corner (boundary) of park Near 34.06072 deg. N 116.44711 deg. 43681' W. Elev. 3463 ft. 1056 Comment
  CAS-BOT-BC263547  Eriogonum thomasii John Thomas Howell 1931-6-5 6653 Riverside 1 mile east of Whitewater Comment
  JEPS56259  Eriogonum thomasii W. L. Jepson 1927-4-11 11624 Riverside Whitewater Bridge 457 Comment
  POM147642  Eriogonum thomasii F. M. Reed 1927-3-20 5413 Riverside Salt Creek Wash. Comment
  RSA779729  Eriogonum thomasii Duncan S. Bell 2009-3-8 97 Riverside Arica Mountains: center of mountain range in the vicinity of Priest Mine approximately 2 air miles west of Priest Well or approximately 7 air miles southwest of the ghost town of Rice. 467 Comment
  SBBG1631  Eriogonum thomasii H. and M. Dearing 1942-4-8 4871 Riverside Riverside Mtns, 35 mi N of Blythe Comment
  UC1018186  Eriogonum thomasii J. Warren 1952-4-6 118 Riverside Palm Springs 304 Comment
  UC1329832  Eriogonum thomasii James E. Cole 1941-4-13 579 Riverside 0.5 mi n Meek's Cabin (Pinto Pass); Joshua Tree National Monument, Pinto Pass Comment
  UC665773  Eriogonum thomasii Ira L. Wiggins 1941-3-24 9586 Riverside 1 mi n Imperial county line (e side of Salton Sea); Salton Sea Comment
  UCR136675  Eriogonum thomasii George B. Grant 1906-5-1 440 6741 Riverside Sonoran (Colorado) Desert, Palm Springs 244 Comment
  SEINET3160070  Eriogonum thurberi G. B. Grant 1906-5-1 440 -A Riverside on Colorado desert at Palm Springs Comment
  UC205982  Eriogonum thurberi Jenkins and Street 1917-5-30 1954 Riverside San Jacinto River Comment
  UC412809  Eriogonum thurberi R. L. Pendleton 1906-5-27 966 Riverside Santa Ana River above Salt Lake bridge; Santa Ana River Comment
  SBBG1634  Eriogonum trichopes H. and M. Dearing 1930-4-13 114 Riverside Palm Springs vicinity Comment
  CAS-BOT-BC264926  Eriogonum wrightii var. membranaceum P. A. Munz 1941-10-1 17235 Riverside Dosa Palmos Springn north base of Santa Rosa Mts. Comment
  POM184163  Eriogonum wrightii var. nodosum M. French Gilman 1932-11-30 11 Riverside Whitewater Point. Comment
  POM229039  Eriogonum wrightii var. nodosum P. A. Munz 1937-5-30 15126 Riverside Dos Palmos Spring, north end of Santa Rosa Mountains. 1098 Comment
  RSA771741  Eriogonum wrightii var. nodosum Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4764 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119. 604 Comment
  CDA28204  Erioneuron pulchellum A. A. Beetle 1942-4-23 3186 Riverside Rt. 95, 9 miles north of Blythe. 0 Comment
  UCR90321  Erioneuron pulchellum Ed LaRue 1993-4-29 s.n. Riverside Sonoran (Colorado) Desert, Blythe landfill, along Blythe-Midland Road, 3 mi. south of the Big Maria Mtns, 6 mi. west of Colorado River 137 Comment
  JEPS5462  Eriophyllum ambiguum var. paleaceum Dr. L. M. Newlon 1922-4-4 454 Riverside Palm Canon Mt. San Jacinto, Palm Canon Comment
  POM357896  Eriophyllum ambiguum var. paleaceum Anstruther Davidson 1893-4-12 s.n. Riverside Palm Springs. Comment
  CAS-BOT-BC297348  Eriophyllum confertiflorum Carl B. Wolf 1932-5-25 3691 Riverside Bad Lands, SW of Beaumont, 0.25 mile SW of summit of Moreno Grade 670 Comment
  CDA33879  Eriophyllum confertiflorum Mike Lahti 2010-5-5 PDR# 1358682 Riverside East side of Hemet. 0 Comment
  OBI16503  Eriophyllum confertiflorum Dieter H. Wilken 1965-6-29 322 Riverside Poppet Flat along County rte 1, San Jacinto Mtns 1372 Comment
  POM306145  Eriophyllum confertiflorum Henry J. Ramsey, Henry J. Ramsey 1937-5-30 1336 Riverside Palms to Pines Highway. Comment
  RSA544382  Eriophyllum confertiflorum Steve Boyd, Timothy S. Ross 1991-6-14 6397 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
  SD187350  Eriophyllum confertiflorum Scott D. White, Angelia Carey 2004-4-16 10157 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 548 Comment
  RSA673543  Eriophyllum multicaule Scott D. White, Tasha La Doux 2000-4-20 7672 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills. 610 Comment
  CAS-BOT-BC296971  Eriophyllum wallacei Ira L. Wiggins 1941-3-27 9695 A Riverside Slopes 4 miles north of Whitewater Comment
  CLARK-A1045-301  Eriophyllum wallacei George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep canyon; ; Palm Desert 15'Q Comment
  CLARK-A1656-678  Eriophyllum wallacei Lois Ann Scott 1978-4-8 Riverside San Gorgonio Pass 274 Comment
  POM358162  Eriophyllum wallacei Miss Hutchinson 1926-05 s.n. Riverside Colorado Desert, Mecca. Comment
  UC69060  Eriophyllum wallacei H. M. Hall 1905-5-1 6012 Riverside Cottonwood Springs Colorado Desert, Cottonwood Springs Comment
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Oct 9 2010
  UCR94242  Eriophyllum wallacei Scott D. White 1996-4-14 3907 Riverside Perris Basin/San Jacinto Mtns., E of Hemet: San Jacinto River Wash near Valle Vista, north of Hwy 74, c. 1.7 mi west of USFS Cranston Fire Station 549 Comment
  UCR104888  Erodium brachycarpum A. C. Sanders 1997-3-19 20013 Riverside Lake Skinner area, hills between Tucalota Creek and lower Rawson Canyon, c. 1/2 mi. (1 km) east of the lake 488 Comment
  RSA652320  Erodium cicutarium Margaret Murphy 1983-4-15 0002 -A Riverside located in the north section of [parcel] 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  SBBG97209  Erodium moschatum W. L. Halvorson 1977-3-13 77 -176 Riverside near Temecula Comment
  SJSU7738  Erythranthe palmeri J. W. Tofflemire 1957-4-18 Riverside 10 mi SE of Hemet up Bautista Canyon Rd 1158 Comment
  RSA0022938  Eschscholzia androuxii P. A. Munz, Percy C. Everett 1952-5-2 16244 Riverside Dry Morongo Wash, n.w. end of Coachella Valley. 457 Comment
  RSA594779  Eschscholzia californica D. L. Banks, Dylan Hannon 1996-5-3 973 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along a mesic E facing slope, approximately 300 m SE of the Helipad at the upper camp sites 534 Comment
  UCR35071  Eschscholzia californica L. B. Ziegler 1969-5-27 370 Riverside San Jacinto Mtns., Cahuilla Indian Reservation 1113 Comment
  POM17821  Eschscholzia californica var. peninsularis P. A. Munz 1923-6-14 7078 Riverside Trail Glen Ivy to Santiago Peak. 1616 Comment
  HSC28464  Eschscholzia glyptosperma Richard Spjut 1973-4-6 3271 Riverside Colorado Desert, 4-5 mi. N of Palm Springs on Indian Ave. 152 Comment
  JEPS51762  Eschscholzia glyptosperma Marjorie D. Clary 1933-2-26 Riverside Aqueduct Rd between Indio and Mecca; North Colorado Desert, Little San Bernardino Mts. 243 Comment
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Feb 28 2014
  RSA0118599  Eschscholzia minutiflora Sarah J. J. De Groot, Cheryl Sevilla 2016-3-16 7641 Riverside Mecca Hills: hills around Shaver's Well, along Box Canyon Road; south edge of Shaver's Valley, east-northeast of Mecca. 294 Comment
  RSA278563  Eschscholzia minutiflora T. C. Emmel 1961-3-21 21 Riverside Chino Canyon Comment
  RSA80987  Eschscholzia minutiflora G. R. Campbell 1952-4-5 18373 Riverside Colorado Desert, road leading from Highway 60 to 29 Palms [Hwy 62], at junction to Desert Hot Springs 762 Comment
  UCR148460  Eschscholzia minutiflora S. J. Myers 2005-2-1 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 9 miles (4 air line) east of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 21 Comment
  UCR180229  Eschscholzia minutiflora Scott D. White, Pam Devries 2006-3-14 11257 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway/ McNaughton Parkway interchange, north of the I-10 Freeway 152 Comment
  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
  RSA4901  Eschscholzia parishii Carl B. Wolf 1932-4-27 3017 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  UCSB3660  Eschscholzia parishii Wilson, Richard 1958-3-22 Riverside 7 miles East of Desert Center on U.S Highway 60-70 Comment
  UCSB42164  Eschscholzia parishii Roos, John 1966-3-26 Riverside 2 miles S.E. of Desert Center Comment
  UCR234275  Eucalyptus A. C. Sanders 2012-4-12 40026 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, c. 100 m SE of El Hermano Rd. 314 Comment
  RSA0010853  Eucalyptus camaldulensis J. Lyman 1989-2-9 89 -1 Riverside Lakeview, Pressman property in the Bernasconi Hills, just S of the Ramona Expressway, S of Lake Perris and N of Nuevo. Comment
  RSA420929  Eucrypta chrysanthemifolia E. Crow 1929-3-17 197 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  UCR156080  Eucrypta chrysanthemifolia T. B. Salvato, Kent Beaman 2005-5-16 822 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
  UCR259204  Eucrypta chrysanthemifolia Mitch Provance 2012-3-30 312- 03 Riverside San Gorgonio Pass, south of Banning at Smith Creek, near the corner of Coyote Trail and Old Idyllwild Rd. 693 Comment
  RSA0094882  Eucrypta chrysanthemifolia var. bipinnatifida Jim M. Andre 2012-4-11 20687 Riverside Little San Bernardino Mountains; Hidden Tank Picnic Area, 1.4 mi. SW of paved road (Utah Trail) to Cottonwood Spr, approx. 8 mi. south of North Entrance Sta., N. end of Hexie Mtns. 1076 Comment
  UC1424860  Eucrypta chrysanthemifolia var. chrysanthemifolia C. W. Tilforth 1978-4-30 1570 Riverside hills e Norco Comment
  POM13894  Eucrypta micrantha P. A. Munz, D. D. Keck 1920-4-9 4830 Riverside S base of Eagle Mtns. 213 Comment
  UCSB42179  Eucrypta micrantha Roos, John 1958-2-21 Riverside Corn Springs, Chuckawalla Mtns. Comment
  RSA771513  Eulobus californicus Keith E. Hoffmaster 1935-3-31 566 -b Riverside Palm Springs Comment
  UC708736  Eulobus californicus H. K. Wagnon 1944-4-2 379 Riverside along fence w cold storage plant; Palm Springs, Torney General Hospital Comment
  SD136852  Euphorbia albomarginata Steve Boyd, Tim Ross 1992-6-10 7638 Riverside So. Santa Ana Mountains, San Mateo Canyon Wilderness Area; San Mateo Canyon nr. 'Potrero Escondido', isolated area of low relief topping the ridge system due W of the junction of Tenaja Rd & Los Alamos Rd @ join of Los Alamos Ck. W/main trunk San Mateo Ck 669 Comment
  SD27987  Euphorbia eriantha Carl B. Wolf 1932-4-29 Riverside Eastern Colorado desert, western edge of Maria Mountains, 17 miles from Blythe on Rice Road Comment
  UC187061  Euphorbia eriantha S. B. and W. F. Parish Apr 1882 Riverside mountains back of Agua Caliente Colorado Desert (Andreas Canyon) Comment
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Jul 15 2009
  RSA339680  Euphorbia misera R. F. Thorne 1980-5-25 54154 Riverside S-facing and W-facing, N-S rocky ridge at E side of Whitewater River at mouth of canyon. ca. 1/4-1/2 mile E of Whitewater Post office; S-facing end of rocky ridge above old rad, due N o hwy to Indio. Comment
  UC1792829  Euphorbia ophthalmica A. C. Sanders, G. K. Helmkamp 1996-3-17 17979 Riverside Coachella Valley: Palm Springs, shopping center at SE corner of Raquet Club Dr. and Palm Canyon Dr. 188 Comment
  POM249992  Euphorbia palmeri E. C. Jaeger 1928-05 s.n Riverside Pinon Alta Flats, Riverside county Comment
  UC17652  Euphorbia palmeri H. M. Hall Jul 1901 2520 Riverside s side San Jacinto Mountains 1584 Comment
  SDSU17677  Euphorbia polycarpa Jerry Jenkins 2001-4-3 2001 -039 Riverside Santa Margarita Ecological Reserve. Road to mine, UTM zone 6, 482900E, 3699600N. Comment
  UCR132748  Euphorbia polycarpa Scott D. White 1993-2-5 1049 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, Tahquitz debris basin at base of Tahquitz Canyon, off Sunnydunes Drive 183 Comment
  UCR166529  Euphorbia polycarpa Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10879 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  UCR31670  Euphorbia polycarpa John C. Roos 1947-11-1 3755 Riverside Sonoran (Colorado) Desert, Eagle Mountains, edge of Lost Palms Wash Comment
  UCR89557  Euphorbia polycarpa George K. Helmkamp 1994-3-10 42- 4 Riverside Sonoran (Colorado) Desert, Indio Hills, canyon opening into Coachella Valley, 2 miles east of Thousand Palms on Ramon Road, and 1.3 miles north 122 Comment
  RSA770646  Euphorbia polycarpa var. hirtella R. F. Thorne 1963-3-29 32372 Riverside 5 miles E of Mecca, Mecca Hills. 152 Comment
  UCR105  Euphorbia polycarpa var. hirtella Mark Bishner 1971-4-15 s.n. Riverside Western Colorado Desert, 5 mi. east of Desert Hot Springs 396 Comment
  UCR178313  Euphorbia serpillifolia T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 613 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  UCR272198  Euphorbia serpillifolia Duncan S. Bell 2015-9-30 8661 Riverside Santa Rosa Mountains, summit area of Asbestos Mountain 1573 Comment
  RSA5258  Euphorbia serpillifolia subsp. hirtula C. B. Wolf 1932-8-6 3995 Riverside Roadside 2.9 mi From Idyllwild on the road to Hemet. San Jacinto Mts. 1220 Comment
  SD43539  Euphorbia setiloba Philip A. Munz 1946-10-20 11579 Riverside Palms to Pines Highway at north base of Santa Rosa Mountains 1039 Comment
  UCR264236  Euphorbia setiloba A. C. Sanders, Jim Malusa 2015-9-10 41843 Riverside Sonoran (Colorado) Desert, mouth of Red Canyon at Salt Creek wash 390 Comment
  CAS-BOT-BC171046  Fagonia laevis Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring, Colorado Desert Comment
  RSA655607  Fagonia laevis A. C. Sanders 2000-4-25 23354 Riverside east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles E of Thermal 15 Comment
  SBBG3961  Fagonia laevis K. K. Muller 1952-4-5 561 Riverside 2 mi E of Shavers Summit, E of S gate to Joshua Tree Nat Monument Comment
  UC571106  Fagonia laevis H. L. Mason 1928-3-10 4247 Riverside between Indio and Palm Springs Comment
  UCR250113  Fagonia laevis A. C. Sanders, Clint Shock, Jose Aguiar 2014-3-6 40965 Riverside Sonoran (Colorado) Desert, along Box Canyon road c. 2.6 miles SW of I-10 junction, above the head of Box Canyon 435 Comment
  UCR90324  Fagonia laevis Ed LaRue 1993-4-28 s.n. Riverside Sonoran (Colorado) Desert, Blythe landfill, along Blythe-Midland Road, 3 mi. south of the Big Maria Mtns, 6 mi. west of Colorado River 125 Comment
  UCSB74335  Fagonia laevis White, Scott; Jones, Jennifer; Huelsman, James 2005-4-14 Riverside Sonoran Desert: Eastern Coachella Valley. Bajada beneath Mecca Hills , just east of Coachella Canal. (Thermal Canyon: 33° 39'N, 116° 05'W; T6S R9E S18, and adj.) 49 Comment
  SEINET10740572  Fagonia laevis Duncan M. Porter 1961-12-28 Porter 752 Riverside Cerca 1 mile E of Desert Center on Hghways 60 and 70. On dry hillside of metamorphose rock. Larrea dominant. Comment
  UCR20530  Festuca grayi John C. Roos 1952-4-9 5482 Riverside Hill by Fairmont Park, Riverside 259 Comment
  UCR117305  Festuca myuros A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 734 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  SEINET269323 Image available Festuca octoflora A. C. Sanders, G. Helmkamp; P. MacKay et al 1995-3-19 16170 Riverside Coachella/San Jacinto Mtns. foothills: N-facing rocky slope in Chino Canyon along the Palm Springs tram road 2 mi. abov 490 Comment
  UCR279533  Festuca octoflora A. C. Sanders, Jim Malusa 2017-3-25 43014 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  RSA501077  Filago arizonica Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-2 3195 Riverside Vail Lake Area, W end of bench on S flank of Oak Mountain. 548 Comment
  UCR228912  Filago arizonica A. C. Sanders 2011-4-7 39031 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, between Horsethief Canyon and Glen Eden, along I-15 Frontage Rd., SE of Lee Lake, near canyon crossing at Glen Eden 384 Comment
  RSA336193  Filago californica R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52059 Riverside Palm to Pines Highway: Above Palm Desert., north slope Santa Rosa Mountains. Comment
  RSA689557  Filago californica Scott D. White, Michael Honer 2003-4-25 9125 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
  UCR20728  Filago californica A. C. Sanders, Steve Boyd 1980-5-2 1405 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR232070  Filago californica John F. Green 2008-4-24 13- 02 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris along Hwy 74, between Lazy Lizard Dr. and Wasson Canyon Rd. 504 Comment
  UCR97476  Filago californica A. C. Sanders 1997-3-1 19700 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  UCR99160  Filago californica A. C. Sanders, G. Helmkamp 1997-3-15 19992 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  UCR196017  Filago gallica R. F. Thorne, E. W. Lathrop 1975-5-20 45508 Riverside Santa Rosa Plateau, Santa Ana Mountains, Rancho California, Mesa de Burro 610 Comment
  SEINET7048207  Filago gallica Steven R. Hill, Andrew C. Sanders 2001-5-4 33719 Riverside Santa Rosa Plateau, eastern rim, north side of Avenida del Oro, just east of junction with Sandia Creek Drive, 2 miles west of junction of Rancho California Road and Route I-15. Elevation 1570 - 1670 feet. 509 Comment
  SD80098  Forestiera neomexicana Nancy Ryan Zabriskie, Walter Zabriskie 1971-8-10 426 Riverside Canyon above first turnout east side Santa Rosa Mountain Rd., 0.6 mile above Highway 74. 1524 Comment
  UCR121099  Forestiera pubescens A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24967 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  CAS-BOT-BC384200  Forestiera pubescens subsp. parvifolia Elizabeth McClintock 1965-6-25 s.n. Riverside Road to Santa Rosa Mountain, a short distance from Pines to Palms Highway Comment
  RSA81010  Fouquieria splendens F. W. Peirson 1921-3-23 2391 Riverside Deep canyon wash, south of Coachella Valley Comment
  CAS-BOT-BC223601  Fouquieria splendens subsp. splendens Roxana S. Ferris 1918-6-15 992 Riverside 2 miles east of Shavers Well Comment
  RSA0018439  Frangula californica subsp. cuspidata Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  CAS-BOT-BC211661  Frankenia salina S. B. Parish 1897-5-31 4396 Riverside Elsinore 396 Comment
  UCD99611  Frankenia salina Scott D. White 2009-8-10 13349 Riverside Temecula Valley, city of Temecula, West bnak of Murrieta Creek, 0.5 miles N and S of the Main Street bridge. 303 Comment
  CLARK-A1656-798  Franseria acanthicarpa Theo Glenn 1982-10-7 Riverside Snow Creek 396 Comment
  CLARK-A1656-660  Franseria dumosa Lois Ann Scott 1978-11-17 Riverside San Jacinto Mountains 152 Comment
  CAS-BOT-BC217646  Fraxinus dipetala P. C. Everett 1935-6-17 7164 Riverside Coldwater Canyon Trail to Santiago Pk., 2 mi. above Glen Ivy Resort, Santa Ana Mts. 609 Comment
  RSA1242  Fraxinus velutina var. coriacea B. D. Stark 1929-9-22 1438 Riverside Keys Ranch, near 29 Palms Mojave Desert. Comment
  SD90097  Fraxinus velutina var. coriacea Nancy Ryan Zabriskie, Walter Zabriskie 1972-10-22 544 Riverside Cactus Spring Trail crossing of Horsethief Creek, tributary to Deep Canyon, north slope Santa Rosa Mountains. 1096 Comment
  SD152807  Fraxinus velutina var. velutina Steve Boyd, Tim Ross and Dave Bramlet 1993-5-12 7330 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 confluece with Tenaja Canyon. 366 Comment
  UCR80522  Fritillaria biflora Michael A. Patten 1992-3-13 92- 3 Riverside Santa Ana Mtns., Santa Rosa Plateau, c. 2 mi west of the Santa Rosa Plateau, just north of the San Diego Co. line, between Calle Collado and Tenaja Road. 0.25 mi north of Via Abril 625 Comment
  HSC83000  Funastrum cynanchoides N. M. Fellows, A. C. Sanders 1985-4-9 126 Riverside Oasis de los Osos TNC Preserve, off Snow Creek Canyon at the N foot of San Jacinto Mtns., 1 mi. W of Snow Creek Village 489 Comment
  SBBG58630  Funastrum hirtellum Anstruther Davidson -Apr-1893 Riverside Palm Springs Comment
  UCR241528  Funastrum hirtellum A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40635 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  SEINET10496383  Funastrum hirtellum A. Evans 1976-4-13 Evans 5178 Riverside Desert canyons of Santa Rosa Mts. Comment
  UCR47861  Galium angustifolium A. C. Sanders 1986-6-1 6533 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  CLARK-A1528-7882  Galium angustifolium subsp. angustifolium John C. Roos 1948-5-8 3819 Riverside Whitewater Canyon 548 Comment
  RSA34586  Galium angustifolium subsp. angustifolium N. C. Cooper 1944-5-6 1186 Riverside Banning. 732 Comment
  RSA612596  Galium angustifolium subsp. angustifolium C. Epling, Wm. Robison 1935-6-30 s.n. Riverside Mt. San Jacinto: Between Pine Flat Camp and Fuller's Mill. Comment
  SD135314  Galium angustifolium subsp. jacinticum Craig Reiser, Dylan Hannon 1993-5-30 Riverside On ridgeline saddle between Toro Peak and Santa Rosa Peak Comment
  UCD121722  Galium aparine B. Pitzer 1987-4-11 478 Riverside West of Murrieta at Santa Rosa Plateau Preserve, Mesa de Colorado. 609 Comment
  UCR165918  Galium aparine T. B. Salvato, John F. Green 2004-5-27 555 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  SBBG118778  Galium porrigens var. porrigens S. D. White 1999-7-9 7536 Riverside near Idyllwild Community Service District sewage ponds at terminus of USFS Rd 5S24.2; T5S R2E boundary of S15/22 1430 Comment
  SBBG119992  Galium porrigens var. porrigens A. C. Sanders with M. Misenhelter 2005-3-23 29266 Riverside E slope of Squaw Mtn, Avenida Escala just above Avenida Caleta, N of Tenaja Rd; Santa Rosa Plateau 701 Comment
  UCD121905  Galium porrigens var. porrigens A. C. Sanders; P. MacKay, T. Thomas and O. Clarke 1997-5-4 20644 Riverside San Jacinto Mountains: N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740. 1067 Comment
  RSA25486  Galium stellatum C. Leo Hitchcock 1940-3-20 5870 Riverside Cottonwood Springs. Comment
  JOTR34389  Galium stellatum var. eremicum Andre, Jim 2012-4-16 20916 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 3.1 miles north of South Entrance, 4.1 miles north of I-10 788 Comment
  RSA666586  Gamochaeta pensylvanica A. C. Sanders 2002-3-20 24895 Riverside Western Colorado Desert: Coachella Valley, city of Palm Springs, around offices of Agua Caliente Band of Cahuilla Indians, 650 E Tahquitz Canyon Way at Calle El Segundo (Palm Springs.) 137 Comment
  CLARK-A1528-5428  Garrya flavescens John C. Roos 1947-3-15 3337 Riverside San Jacinto Mountains 1462 Comment
  RSA358584  Garrya flavescens Larry E. DeBuhr 1972-3-23 529 Riverside Santa Rosa Mountains. San Bernardino National Forest. Across the valley from Santa Rosa Springs on the south facing slope below TV transmitter station. 2317 Comment
  CAS-BOT-BC158071  Garrya veatchii S. B. Parish 1918-4-3 11696 Riverside Brush land at mouth of San Jacinto River Comment
  UC303654  Garrya veatchii S. B. Parish 1918-4-3 11697 Riverside San Jacinto River Canyon; Oak Lodge 914 Comment
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Nov 20 2011
  SD148102  Gaura drummondii A. C. Sanders, Steven R. Hill 2001-5-4 24127 Riverside Perris-Aguanga Basin region: Temecula, Long Canyon area west of Del Rey Road, along bottom of canyon west of junction of Ave. Pina Colada. 345 Comment
  RSA788813  Gayophytum Robert F. Thorne, Walter Wisura 1977-9-17 50777 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  CAS-BOT-BC303566  Geraea canescens K. Larson 1977-5-12 60062 B Riverside Wiley Wells Rd ca 20 miles W of Blythe Comment
  UCR196371  Geraea canescens Naomi Fraga, Sarah J. De Groot, Lisa Rojas, L. Lubinsky 2005-2-10 1430 Riverside Northeastern Colorado Desert, along Palen Pass Road, near Hwy 177 170 Comment
  UC64175  Geranium californicum H. M. Hall Aug 1901 2576 Riverside Tauquitz Valley San Jacinto Mountains 2438 Comment
  RSA667080  Geranium robertianum A. C. Sanders, T. B. Salvato 2000-5-8 23382 Riverside San Bernardino Valley region; Riverside, UCR Botanical Garden, E side of the campus. 121 Comment
  RSA676109  Gilia Scott D. White 2001-4-12 8300 Riverside Shaver's Valley. South of the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. 320 Comment
  UCR118404  Gilia A. C. Sanders 1994-5-30 14602 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  RSA271888  Gilia angelensis C. W. Tilforth 1978-4-30 1569 Riverside Low rounded hills east of Norco. Comment
  UC718485  Gilia angelensis Carl B. Wolf 1935-4-7 6314 Riverside 2 mi sw of Perris; Gavilan Hills Region, sw of Ferris 426 Comment
  UCR169785  Gilia angelensis Scott D. White, Michael Honer 2003-4-25 9114 Riverside San Bernardino Mtns, Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm, west side of road 671 Comment
  UCR225616  Gilia angelensis A. C. Sanders 2011-3-29 38860 Riverside Peninsular Range; Perris-Aguanga Basin Region, hills between Sun City and Perris, low hilltop along powerline corridor c. 1/2 mile west of Goetz Rd., west of Alabaster Loop, above the San Jacinto River upstream of Railroad Canyon Lake 451 Comment
  POM3526  Gilia capitata subsp. abrotanifolia L. T. Street s.n. Riverside Temecula Canyon. Comment
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Mar 27 2011
  RSA470269  Gilia capitata subsp. abrotanifolia N. C. Cooper 1944-5-21 1221 Riverside San Jacinto Mountains, West side 915 Comment
  UC310671  Gilia capitata subsp. abrotanifolia Philip A. Munz 1926-5-2 10425 Riverside about 5 mi nw Dripping Springs; nw of Dripping Springs Comment
  RSA0124003  Gilia diegensis Duncan S. Bell, Thomas Stoughton 2016-4-13 9248 A Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; on the western slopes of Martinez Mountain. 1548 Comment
  RSA516958  Gilia diegensis Ed LaRue 1990-3-29 s.n. Riverside 1/2 miles W of town of Aguanga, 1-2mile airline N of San Diego County line. 610 Comment
  RSA72315  Gilia diegensis F. W. Peirson 1922-5-21 4137 Riverside Along east side of Hemet Valley 1357 Comment
  UC52831  Gilia diegensis H. M. Hall April, 1902 2913 Riverside vicinity Winchester; vicinity of Winchester 457 Comment
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Mar 20 2011
  RSA0016282  Gilia ochroleuca subsp. exilis Naomi Fraga, Valentine Arvizu, Elizabeth Kempton, Tim Thibault 2006-6-7 1699 Riverside East of Fobes Ranch Road, just south of Fobes Ranch. 1616 Comment
  RSA0017084  Gilia ochroleuca subsp. exilis R. F. Thorne, C. W. Tilforth 1980-5-28 54247 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  RSA0017053  Gilia ochroleuca subsp. exilis Verne Grant, Alva Grant 1950-4-9 8830 Riverside Floodplain in foothills of San Jacinto Mts. along Hwy. 74 SE of Hemet. Comment
  RSA771351  Gilia sinuata Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4823 -b 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
  SD119886  Gilia sinuata Louis B. Ziegler 1972-5-3 448 Riverside San Jacinto Mountains-Hemet (Garner) Valley. 1402 Comment
  RSA775401  Gilia stellata Duncan S. Bell 2011-4-10 2249 Riverside Northwest side of the Arica Mountains; northwestern section of project area; collecting in a large wash approximately 3.5 air miles south of Highway 62. 299 Comment
  RSA778252  Gilia stellata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 919 A Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 335 Comment
  UC1025126  Gilia stellata H. K. Wagnon 1944-3-8 307 Riverside near fork of stream in s part Palm Canyon Palm Springs, s part Palm Canyon Comment
  UC68723  Gilia stellata H. M. Hall Apr., 1905 5790 Riverside 10 mi w Indio (Colorado Desert); , w of Indio 30 Comment
  RSA575838  Glinus lotoides Steve Boyd 1981-9-2 s.n. Riverside Gavilan Hills region, north base of the range, south of Lake Mathews in muddy pool in drainage on south side of Cajalco Road, 1 mile west of Archer Road. Comment
  RSA614233  Gnaphalium canescens A. C. Sanders 1994-7-28 15192 Riverside [Riverside/San Bernardino County] Colton and Riverside: Santa Ana River from the Riverside Ave. (N. Main St.) Bridge downstream almost to Market St. Crossing. 246 Comment
  UCR178835  Gnaphalium canescens Tracy Tennant 1998-8-28 MOR- 707 Riverside San Jacinto Mtns., along Hwy 243 opposite (west of) McMullen Flat, tree stand A01 1220 Comment
  CAS-BOT-BC499166  Gnaphalium palustre Mitch Provance 2011-6-6 17004 Riverside Edgemont area of Moreno Valley, from the northbound I-215 onramp at Allesandro Blvd., E to Old 215 Frontage Rd 466 Comment
  UCR116997  Gnaphalium palustre A. C. Sanders, T. B. Salvato 2001-5-3 24104 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  CLARK-A1528-1863  Gutierrezia bracteata John C. Roos 1937-7-11 1506 Riverside Reche Canyon Comment
  UCR250366  Gutierrezia californica A. C. Sanders 2014-4-25 41072 Riverside Peninsular Range, Temescal Canyon, Richland property between Horsethief Canyon Rd and Hostettler Rd., SW of I-15 392 Comment
  JEPS18965  Gutierrezia sarothrae W. L. Jepson 1901-5-17 1232 Riverside mesas e Riverside; Southern California, Riverside to Santa Rosa Peak and Paloma Comment
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Sep 11 2007
  POM319668  Gutierrezia sarothrae Patricia Wilder 1971-7-15 5256 Riverside Hillside at W end of Prado Dam, alt 800ft. Chino Hills Mts, Santa Ana River 244 Comment
  RSA0066626  Harpagonella palmeri Steve Boyd 1986-3-9 1384 Riverside Temescal Canyon: Alberhill Mountain, S slope of mountain just east of claymine area. 427 Comment
  UC1979626  Hazardia squarrosa var. grindelioides D. L. Banks, Steve Boyd 1995-10-17 0787 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E. Comment
  CAS-BOT-BC211543  Helianthemum scoparium P. C. Everett 1935-6-18 7175 Riverside San Juan Canyn, near Ortega Highway on road to Santiago Pk., Santa Ana Mts. 701 Comment
  RSA609927  Helianthemum scoparium var. scoparium R. S. Woglum 1937-5-22 521 Riverside Peninsular Ranges: Northwest of the Palomar Mountains, Temecula. Comment
  CDA6205  Helianthus annuus G. D. Barbe 1973-10-19 1733 a Riverside Marshburn Farms. Southeast corner of Van Buren and Road 62, west of Thermal. 0 Comment
  RSA0012941  Helianthus californicus Scott D. White 2003-10-9 9816 Riverside Pine Cove. Lily Creek just north of crossing at Hwy 243. 1738 Comment
  RSA180439  Helianthus gracilentus E. W. Lathrop 1965-5-7 5705 Riverside 5 miles SW of Murrieta on the De Luz Road. Comment
  UCR133359  Helianthus gracilentus Tracy Tennant, J. S. Ross 1998-4-30 MOR- 63 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, unnamed canyon running W to E between the southern portions of Hathaway and Potrero Canyons, c. 1.5 miles ENE of Banning Peak (VABM 3440) 854 Comment
  UCR177706  Helianthus gracilentus Michael Wall 1996-7-1 166 Riverside Transverse Ranges; San Bernardino Mtns., Cherry Valley, Beaumont Ave./Oak Glen Rd, 2.6 mi N of Cherry Valley Blvd, top of steep E slope of Little San Gorgonio Creek 1037 Comment
  RSA650770  Helianthus gracilentus C. J. Humphrey 1936-6-7 446 Riverside [Unspecified] Comment
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Dec 15 2011
  RSA653075  Heliotropium curassavicum A. C. Sanders 1997-5-1 20614 Riverside Lake Skinner area: Old house site at gated road junction into Shipley Reserve area, c. 1 km NE of Lake Skinner in mouth of Rawson Creek Canyon. 457 Comment
  UCR92258  Heliotropium curassavicum Scott D. White 1995-8-23 3575 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  RSA413248  Heliotropium curassavicum var. oculatum James C. Dice, J. DeWald 1987-10-5 735 Riverside Santa Margarita River, near aqueduct crossing. 245 Comment
  RSA488925  Hemizonia fasciculata Bill Wagner 1988-4-12 s.n. Riverside Approx. 1/2 mile SW of town of Temecula, S of Rancho CaliforniaRoad and Buisness Park Drive. 335 Comment
  UCR157722  Hemizonia kelloggii John Wear, Tim Wade 1991-5-7 91- 35 Riverside Perris - Aguanga Basin area, SW flank of Double Butte, SW of Homeland and north of Grand Avenue 686 Comment
  RSA683893  Hemizonia paniculata A. C. Sanders, Kelly Volansky 2003-10-16 27335 Riverside Moreno Valley: lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  RSA520922  Hemizonia pungens subsp. laevis D. E. Bramlet 1990-7-26 2062 Riverside Murrieta Creek at the Rancho California Street bridge in Temecula. On W side of creek, just E of Diaz Rd and within the creek channel 330 Comment
  UCR120196  Herniaria hirsuta subsp. cinerea Mitch Provance 1998-3-6 144 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 351 Comment
  HSC47334  Hesperocallis undulata R. W. Spjut, C. E. Edson 1978-4-26 4956 Riverside Colorado Desert, along Hwy. 177, ca. 7 mi. NE of Desert Center. 305 Comment
  JEPS61971  Hesperocallis undulata W. L. Jepson 1927-4-14 11698 Riverside foothills s.e. end Santa Rosa Mts. (Silent Canyon); Colorado Desert, , Silent Canyon 304 Comment
  UC1080459  Hesperocallis undulata P. C. Everett and E. K. Balls 1958-4-29 23027 Riverside 5.4 mi ne from Desert Center (along road to Rice And Vidal Junction) 259 Comment
  UCR214701  Hesperocallis undulata A. C. Sanders 2010-3-23 37536 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  CAS-BOT-BC508663  Hesperocallis undulata Mrs. Jos. Clemens 1922-4-10 s.n. Riverside Mecca Comment
  RSA736314  Hesperocnide tenella Scott D. White, Justin M. Wood 2008-3-25 11779 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  SEINET5641180  Hesperoyucca whipplei var. whipplei Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28528 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert, off of Pine View Drive. 1297 Comment
  POM19368  Heterocodon rariflorum Mary F. Spencer 1923-7-23 2216 Riverside Idyllwild, San Jacinto Mountains. 1646 Comment
  RSA185432  Heterocodon rariflorum Clare B. Hardham 1965-6-16 12930 Riverside San Jacinto Mountains. Alvin Meadows. Comment
  RSA0075896  Heterotheca grandiflora R. Weatherby 1949-5-13 411 Riverside La Sierra Hills, Arlington. 152 Comment
  RSA479918  Heterotheca sessiliflora subsp. echioides Steve Boyd 1987-9-27 2091 Riverside Peninsular Range Temescal Canyon south of Corona; area between confluence of Indian and Horsethief washes and Temescal Creek. 366 Comment
  UC1080368  Heterotheca sessiliflora subsp. fastigiata E. K. Balls and P. C. Everett 1957-8-20 22680 Riverside se of Hemet Reservoir (along State Hwy 74, s end of San Jacinto Mts.); San Jacinto Mts. 1356 Comment
  UC64041 Image available Heuchera hirsutissima H. M. Hall 1901-7-1 2412 Riverside San Jacinto Mountains; ; San Jacinto Mts. Comment
  CHSC27880  Hibiscus denudatus Mike Cecchini 1978-3-24 4 Riverside Palm Springs. Medium population, ca. 200 m s of Palm Canyon Wash and 5 m ne of the Broadmoor Dr. water tank, 3 km se of Palm Springs Municipal Airport. 315 Comment
  SEINET11993718  Hibiscus denudatus W. Knight, Knight, I. 1983-1 5404 Riverside Eagle Mts 244 Comment
  LA45789  Hoffmannseggia microphylla Martha Hilend; 1929-7-27 363 Riverside Shaver's Well Comment
  RSA667133  Hordeum depressum A. C. Sanders, Carolyn Washburn 2001-5-10 24248 Riverside San Jacinto River Valley, S side of intersection of Sanderson Ave. and Ramona Blvd., ca. 4 miles NW of San Jacinto 445 Comment
  UCR211707  Hordeum depressum Fred M. Roberts, Michelle Balk 2006-5-2 6328 Riverside San Jacinto Valley, Hemet, Stoney Mountain Preserve, 1.0 km north of the summit of Tres Cerritos Hills and 0.4 km southeast of the junction of Warren Road and Esplanade Road 458 Comment
  UCR266826  Hordeum intercedens D. E. Bramlet, M. Tucker, T. Huntley 2005-6-14 3880 A Riverside San Jacinto Valley, Bloome property, 540 m north of San Jacinto River, 3150 m east of Davis Rd. at San Jacinto Wildlife Area, south of Mystic Lake Duck Club 433 Comment
  UCR97250  Hordeum murinum Scott D. White 1997-2-28 4718 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  UCR93192.1  Hordeum murinum subsp. murinum Steve Boyd 1986-4-2 1619 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR20542  Horkelia clevelandii W. W. Mayhew 1977-7-4 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  CHSC1030  Horsfordia alata V. Holt 1935-4-16 Riverside West Colorado Desert near San Jacinto. Comment
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Mar 10 2016
  CAS-BOT-BC312582  Hulsea vestita subsp. callicarpha Cecil Hart 1922-5-21 11 Riverside San Jacinto Pk. Comment
  SD139749  Hulsea vestita subsp. callicarpha Darley F. Howe 1941-6-9 1281 Riverside San Jacinto Mountains Comment
  OBI37561  Hydrocotyle ranunculoides Steve Boyd 1985-8-7 1107 Riverside Santa Rosa Plateau region, NW base of Redonda mesa on Tenaja Rd, 0.8 mi E ofjtn with 8S01 and 8S02 Comment
  RSA335008  Hydrocotyle ranunculoides Steve Boyd 1985-8-7 1107 Riverside Santa Rosa Plateau Region, NW base of Redonda Mesa on Tenaja Road, 0.8 mile east of jct with 8S01 and 8S02. Comment
  UCR137643  Hymenoclea salsola G. A. Reese, S. Kaime 1998-4-6 4708 Riverside Sonoran (Colorado) Desert, Berdoo Canyon Jeep Trail, near Joshua Tree National Park boundary, 10 mi NE of Indio 725 Comment
  UCR41307  Hymenoclea salsola N. M. Fellows, A. C. Sanders 1985-4-9 161 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
  CAS-BOT-BC312628  Hymenopappus filifolius var. lugens H. M. Hall 1899-5-25 11781 Riverside Western borders of the Colorado Desert. Coyote Canyon 1524 Comment
  CAS-BOT-BC312862  Hymenoxys odorata Roxana S. Ferris 1918-6-19 1010 Riverside At Blythe, Colorado River bottoms Comment
  JEPS63226  Hyptis emoryi W. L. Jepson 1912-10-30 5250 Riverside Black Point Colorado River, , Black Point (Riverside Mts.) 88 Comment
  POM118337  Hyptis emoryi Marcus E. Jones 1924-2-28 s.n. Riverside West of Blythe. Comment
  UC1541662  Hyptis emoryi H. E. and S. T. Parks 1940-2-12 24170 Riverside Mouth of Santa Rosa Canyon 304 Comment
  UC883107  Hyptis emoryi N. Dunn and A. M. Martin 1932-3-26 Riverside Box Canyon Comment
  UCR147740  Hyptis emoryi Steve Boyd, Tammy Morgan, Aydee Virgen, S. DeGroot, V. Arvizu, T. Thibault 2004-5-14 11220 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  UCR214296  Hyptis emoryi A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37473 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
  SEINET9369856  Hyptis emoryi Unknown 1936-12-19 Riverside Riverside Co., CA (elev 500') 152 Comment
  VVC746  Hyptis emoryi var. emoryi P. J. MacKay, T. Thomas 1997-2-8 98 Riverside Colorado Desert, Palm Springs, Tahquitz debris basin mouth of Tahquitz Canyon Comment
  SEINET3091299 Image available Ipomoea triloba A. C. Sanders 1988-11-6 8743 Riverside Imperial Valley between Brawley and Westmorland. E side of Hwy 86 at intersection with Kalin Rd. and Tamarack Canal crossing. 1.6 miles NW of the New River crossing at Brawley. 34 Comment
  CAS-BOT-BC311618  Isocoma acradenia var. eremophila L. R. Abrams 1941-10-30 14308 Riverside Indian Ave., about 1 mile north of Palm Springs Comment
  RSA450604  Isocoma acradenia var. eremophila Theo Glenn 1984-10-2 s.n. Riverside Thousand Palms oasis, in the Indio Hills, Coachella Valley; at Simon Grove. 168 Comment
  UC891887  Isocoma acradenia var. eremophila Carl B. Wolf 1932-10-13 Riverside 4.5 mi se Mecca (Caleb (S.P.R.R. siding)); Colorado Desert -60 Comment
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Jul 16 2015
  CDA29880  Isocoma menziesii Mike Lahti 2009-10-22 PDR# 1501843 Riverside On banks of Temecula Creek near downtown Temecula. 0 Comment
  POM4691  Isocoma menziesii var. vernonioides I. M. Johnston 1918-5-30 s.n. Riverside Lake Elsinore. 366 Comment
  RSA234061  Isoetes orcuttii R. F. Thorne, Earl Lathrop 1969-5-12 37943 Riverside Santa Ana Mountains, Santa Rosa Plateau, Mesa de Colorado, Rancho California 624 Comment
  CHSC95391  Isomeris arborea C. Spurrier; Way, M. J. 2001-6-13 3 Riverside Riverside County. Big Morongo Canyon Preserve, 3.2 km north of Water Company Entrance on Kickapoo Trail. 515 Comment
  CLARK-A1045-325  Isomeris arborea var. angustata George K. Helmkamp 1977-3-20 Riverside Cabazon edge of dry wash south of Cabazon; ; Cabazon 7.5'Q Comment
  UCR179767  Iva axillaris subsp. robustior R. E. Riefner Jr. 2005-8-28 05- 647 Riverside Peninsular Range, SE of Lake Elsinore toward Wildomar, Corydon Rd. at Union St. 394 Comment
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May 11 2009
  JOTR30830  Ivesia saxosa Andre, Jim, Tasha La Doux 2008-9-16 10702 Riverside Joshua Tree National Park. JTNP; SE end of Splitrock Picnic Area. Queen Mountain USGS 7.5 min Quad. Near 34 00.486' N 116 03.288' W 1289 Comment
  SEINET8518930  Johnstonella angustifolia K. L. Chambers, H. L. Chambers 2004-4-6 6387 Riverside Plain just S of S border of Joshua Tree National Park, Cottonwood Springs Road, 0.25 mile N of Hwy [Interstate] 10, 22 miles E of Indio. Comment
  UCR132718  Juncus balticus A. C. Sanders, O. F. Clarke 1991-6-10 11127 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  RSA678973  Juncus bufonius Scott D. White, Michael Honer 2003-6-3 9454 Riverside Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  SEINET3150744  Juncus bufonius H. M. Hall 1904-5-10 4954 Riverside Fremont Park 244 Comment
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Mar 15 2014
  UC1601698  Juncus bufonius H. M. Hall Jul 1901 Riverside w fork of Snow Creek San Jacinto Mountains, Snow Creek 1676 Comment
  JEPS66951  Juncus cooperi S. B. Parish 1912-10-10 8382 Riverside Dos Palmas Colorado Desert, Salton Basin 0 Comment
  RSA627509  Juncus macrophyllus Scott D. White 1998-7-31 6952 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Drive and Hymber Park. 1707 Comment
  UC2571  Juncus macrophyllus H. M. Hall July 1901 2536 Riverside along west fork of Snow Creek San Jacinto Mountains (n side of mts.) 1524 Comment
  UCR201479  Juncus macrophyllus Scott D. White, Justin M. Wood 2008-6-18 12248 Riverside San Jacinto Mountains, meadow northwest of Keen Camp Summit, southwest of Hwy 79 1463 Comment
  UCSB45480  Juncus tiehmii Ertter, Barbara; Strachan, Jeffrey 1979-6-26 Riverside Kenworthy Forest Station on Hwy 74 in Garner Valley; San Jacinto Mts; T6N R3E Sec 25/36 adjacent to type collection Comment
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Mar 25 2011
  RSA0123105  Juniperus californica Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 9012 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  RSA33306  Juniperus californica N. C. Cooper 1943-9-11 911 Riverside Palms to Pines Hwy. 1219 Comment
  RSA463156  Justicia californica Lyman D. Benson 1933-3-31 4183 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  SEINET2043587 Image available Justicia californica B. Pitzer 1988-3-10 640 Riverside W side of Chuckwalla Mountains, on gas line road ca. 1.5 mi N of intersection with Red Cloud Mine Rd. (&wash); ca. 2 airline miles S of HWY I-10 488 Comment
  SEINET2163668 Image available Justicia californica I. W. Clokey 1935-4-17 6888 Riverside Cottonwood Springs Comment
  UC869489  Justicia californica C. L. Hitchcock 1940-4-5 5965 Riverside 3 mi. below Cottonwood Springs Comment
  VVC700  Justicia californica P. J. MacKay, T. Thomas 1997-2-8 95 Riverside Colorado Desert, Palm Springs, Tahquitz debris basin mouth of Tahquitz Canyon Comment
  JOTR38522  Kallstroemia californica Harding, Mitzi, Kipp Callahan 2012-8-27 291 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  RSA293252  Keckiella antirrhinoides D. C. Michener 1980-5-8 3660 Riverside San Bernardino NF Bee Canyon: canyon bottom and slopes with Quercus, Heteromeles, Adenostoma, Salvia, etc. 600 Comment
  RSA298671  Keckiella antirrhinoides D. C. Michener 1982-5-5 4036 Riverside Northerly slopes along Temescal Canyonn Rd ca 1.1 miles southeast of Temescal Fire Station. Comment
  RSA424842B  Keckiella antirrhinoides N. C. Cooper 1949-6-1 3952 Riverside Elsinore. 762 Comment
  RSA604851  Keckiella antirrhinoides Scott D. White 1995-3-30 2652 Riverside Moreno Valley; hills +/- 0.7 air mile directly S of 60 Fwy and west of bend in Moreno Beach Dr., (USGS Sunnymead 7 1/2' quad shows ''Moreno'' BM 2067 at top of hill) 579 Comment
  CAS-BOT-BC236715  Keckiella antirrhinoides subsp. antirrhinoides Mrs. E. C. Van Dyke 1928-7-10 s.n. Riverside Near Idyllwild Comment
  UCR251879  Keckiella antirrhinoides subsp. antirrhinoides 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
  CAS-BOT-BC236726  Keckiella antirrhinoides subsp. microphylla Peter H. Raven 1958-5-18 12995 Riverside Along State Highway 74, 4.9 miles north-east of Pinyon Flats, San Jacinto Mountains Comment
  RSA6731  Keckiella antirrhinoides subsp. microphylla B. D. Stark 1933-4-2 4534 Riverside Pinyon Flats, San Jacinto Mts. Upper Sonoran, (Palms) to Pine Road. 1220 Comment
  UCR165831  Keckiella cordifolia T. B. Salvato, John F. Green 2004-5-27 637 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
  UC27502  Keckiella rothrockii var. jacintensis H. M. Hall 1901-6 2588 Riverside Tauquitz Valley; San Jacinto Mountains 2499 Comment
  UCR268282  Keckiella ternata subsp. ternata Jim Andre 2012-6-15 30508 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243 at Mount Edna Road, c. 1 mile north of McMullen Flat, 5.9 miles south of Hwy I-10 at Banning 1172 Comment
  UC1971158  Kickxia elatine Scott D. White June 17-20, 1998 6753 B Riverside Along Gavilan Rd. or Santa Rosa Mine Rd.; ca. 7 mi survey route from Gavilan / Cajalco Rd. junction south and east to Santa Rosa Mine / Post Rd. junction. USGS Steele Peak 7 1/2' Quad. Comment
  UCR202439  Koeleria macrantha 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
  JOTR36083  Krameria erecta La Doux, Tasha, A. Johnson, A. Miller, T. Vaughn 2007-10-25 3311 Riverside Joshua Tree National Park. Pinto Mtn foothills, San Bernardino Wash, approx. 0.75 km south of Sunset Mine (STOP4). 475 Comment
  CLARK-A1703-1201  Krameria grayi Charlotte Stocks 1962-5-21 Riverside San Jacinto Mountains Comment
  RSA680921  Krameria grayi Scott D. White, Michael Honer 2003-5-14 9279 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  RSA735400  Krameria grayi Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11228 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
  SEINET7048068  Krameria grayi Steven R. Hill 2001-4-29 33545 Riverside Whitewater Canyon, east side of canyon, east of Whitewater Canyon Road, about 2 miles north of Route I-10. Elevation about 1800 feet. Comment
  UC1563078  Krameria grayi Steve Boyd and Orlando Mistretta 1986-3-13 1477 Riverside ne Desert Center (first large canyon at nw tip of western segment of range); w side Palen Mts Comment
  RSA502493  Lactuca saligna Steve Boyd, T. S. Ross, L. Arnseth 1989-6-11 3734 Riverside Vail Lake area: edge of hills on N of Wilson Creek at E end of lake. 488 Comment
  POM248405  Lactuca serriola Philip Crow 1939-07 8 Riverside Blythe. Comment
  CAS-BOT-BC272429  Lamarckia aurea Steve Boyd 1986-4-2 1636 Riverside Harford Springs County Park, Gavilan Plteau, Gavilan Hills 640 Comment
  UCR4067  Lamium amplexicaule Carole Sims 1965-4-12 s.n. Riverside University of California, Riverside campus; lawn north of permanent Union Building site. 274 Comment
  UCR41544  Langloisia schottii A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6012 Riverside Chuckwalla Valley, 1 mi west of Hayfield Lake, 2 mi SW of the pumping station on a small cutoff road from Hayfield Rd to the dirt road to the Colorado River Aqueduct 427 Comment
  CAS-BOT-BC293708  Larrea tridentata Mona Bourell 1987-4-14 3279 Riverside BLM California Conservation Area, Hwy 195, spur off of Box Canyon. Near Mecca 150 Comment
  POM12074  Larrea tridentata Mary F. Spencer 1921-3-24 223 Riverside In desert sand, Mecca, colorado Desert -60 Comment
  RSA652039  Larrea tridentata Bill Trimble 1949-2-20 s.n. Riverside Found in Whitewater Canyon in the Colorado Desert 10 miles off highway 99. 457 Comment
  RSA760789  Larrea tridentata Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-3-30 110 Riverside Coachella Valley Preserve. 4 mi from Ramon Rd on Thousand Palms Canyon Rd. To W of Thousand Palms Canyon Rd. 381 Comment
  RSA761080  Larrea tridentata Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-20 149 Riverside W of Palen/ McCoy Wilderness. Intersection of Hwy 177 and Palen Pass Rd (kiosk). 366 Comment
  CAS-BOT-BC353281  Lasthenia coronaria H. M. Hall 1902-4-1 2897 Riverside Vicinity of Winchester, near Sage 457 Comment
  RSA593886  Lasthenia glabrata subsp. coulteri Steve Boyd, David E. Bramlet 1996-4-19 8614 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
  UC69030  Lasthenia gracilis H. M. Hall 1905-4-1 5769 Riverside Bradley Canyon Colorado Desert Comment
  UCR20786  Lasthenia gracilis A. C. Sanders, Steve Boyd 1980-5-2 1402 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR21914  Lasthenia gracilis Steve Boyd 1980-5-8 218 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 625 Comment
  RSA93014  Lasthenia microglossa F. W. Peirson 1919-4-14 1376 Riverside Shelter of high wall of rock, Murray Canyon near Palm Springs. 488 Comment
  CSUSB977  Lathyrus laetiflorus Pam Maynard 1974-5-26 Riverside Mount San Jacinto Mount San Jacinto- Idyllwild. Mount San Jacinto Park- campground #14 1828 Comment
  RSA405746  Lathyrus splendens B. C. Templeton 1930-4-5 s.n. Riverside Temecula Comment
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Oct 2 2009
  RSA33850  Lathyrus vestitus subsp. laetiflorus N. C. Cooper 1944-4-22 1130 Riverside Banning, 732 Comment
  SD173201  Layia glandulosa Juergen Schrenk 2005-4-2 16 Riverside Northern Anza Borrego Desert, White Wash Comment
  UC1329951  Layia glandulosa James E. Cole 1941-5-17 724 Riverside Covington Flat Joshua Tree National Monument, Covington Flat 1584 Comment
  CAS-BOT-BC379662  Layia platyglossa A. C. Sanders; T. B. Salvato 2011-3-29 38874 Riverside Peninsular Range; Perris-Aguanga Basin Region: between Sun City Perris, along powerline coordinator 0.45 east of Goetz Ra. and 0.07 lm east Wheat St. 449 Comment
  UCR116928  Layia platyglossa A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24215 Riverside Perris-Aguanga Basin region, Hemet, SE of intersection of State Street and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi. SSW of Hemet Butte 513 Comment
  RSA395943  Layia platyglossa subsp. campestris Steve Boyd 1986-3-9 1394 Riverside Temescal Canyon: Terrace escarpments between Indian Truck Trail and Horsethief Wash. Comment
  UCR201455  Layia ziegleri Scott D. White, Justin M. Wood 2008-5-15 11985 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  RSA554006  Leersia oryzoides J. C. Roos 1965-11-4 s.n. Riverside Fairmont Park, Riverside Comment
  POM14283  Lemna gibba Philip A. Munz 1922-4-30 5138 Riverside Tucalota Creek, south of Hemet Comment
  POM272886  Lepidium lasiocarpum Lyman Benson 1933-3-31 4176 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  RSA429920  Lepidium lasiocarpum N. R. Zabriskie, W. M. Zabriskie 1973-4-3 611 Riverside ''Poor-will Canyon'' (T5S, R4E, NE1/4 Sec 3), Palm Canyon drainage, E slope San Jacinto Mtns. 426 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
  UCR121809  Lepidium latipes A. C. Sanders, Carolyn Washburn 2001-4-17 24059 Riverside San Jacinto Valley, southwest edge of Hemet, NW of intersection of Stowe Rd. and California Av., 2 miles NE of Winchester 457 Comment
  UCR240264  Lepidium latipes var. latipes D. E. Bramlet, Robt. L. Allen, Fred M. Roberts 2011-4-30 4826 Riverside Peninsular Range; Elsinore Trough, Nichols Road wetlands area, 253 m south of Nichols Rd. & 76 m east of Baker St. 384 Comment
  UCR14224  Lepidium nitidum June Latting 1979-3-26 s.n. Riverside Gavilan Hills, Harford Springs County Park 610 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
  RSA162734  Lepidium virginicum J. Olmstead 1959-6-23 658 Riverside Desert Sun School near Idyllwild. 1646 Comment
  UCD115888  Lepidium virginicum subsp. menziesii A. C. Sanders; Mitch Provance, T. B. Salvato 2001-5-7 24158 Riverside Perris-Aguanga Basin Region: S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. E of State St., between Silver Drew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon. 503 Comment
  RSA740074  Lepidium virginicum var. pubescens Scott D. White, Justin M. Wood 2008-6-16 12137 Riverside Meadow at Quinn Flat. 1378 Comment
  UC284976  Lepidium virginicum var. pubescens P. A. Munz 1923-6-14 7116 Riverside trail from Glen Ivy to Santiago Peak; Santa Ana Mts. 1158 Comment
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Apr 1 2013
  RSA586039  Lepidium virginicum var. virginicum D. L. Banks, S. D. Boyd 1995-3-16 92 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn, E of Dripping Springs Alcove, Arroyo Secco drainage. 512 Comment
  POM253472  Lepidospartum squamatum Thos Craig, Frances Craig 1939-11 s.n. Riverside Near Aguanga. Comment
  RSA5364  Lepidospartum squamatum C. B. Wolf 1932-10-11 4269 Riverside Sandy bank at mouth of Whitewater Wash. 305 Comment
  RSA650943  Lepidospartum squamatum C. J. Humphrey, Herbert Humphrey, E. T. Bartholomew 1936-6-7 379 Riverside In foothills San Gabriel Mts. 19 miles North of Riverside. 610 Comment
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Dec 15 2011
  UCR177855  Lepidospartum squamatum Marisa Sripracha, K. A. Boyd 2004-3-21 047 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  UCR250403  Lepidospartum squamatum Jeremiah George 2012-10-17 s.n. Riverside San Gorgonio Pass, SW of Banning, under SCE powerline right-of-way east of South Highland Home Rd. and north of Laird Rd. 745 Comment
  UCR58507  Lepidospartum squamatum Reid Moran 1967-11-7 14644 Riverside 7 mi west of Radec 400 Comment
  SACT001409  Leptochloa uninervia Philip Munz, J. Johnston 1928-9-12 Riverside Common on sandy alkali flat. Comment
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Aug 22 2013
  UC1100299  Leptochloa uninervia Malcolm A. Nobs and S. Galen Smith 1948-9-3 494 Riverside citrus grove 2 mi n Indio; Imperial Valley Comment
  UCR202442  Leptochloa uninervia Denise Woodard, G. Nuhn 1995-8-21 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, 300 acre parcel at west end of Domenigoni Valley, c. 3 miles south of Winchester on the west side of Winchester Rd. 470 Comment
  JOTR16798  Leptodactylon pungens Wanrow, E. 1968-5-20 s.n. Riverside Joshua Tree National Park. EUREKA PEAK 1676 Comment
  RSA263686  Leptosiphon floribundus E. W. Lathrop 1968-5-22 6927 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  RSA483566  Leptosiphon lemmonii D. Charlton 1988-5-21 1967 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on hwy 74. 1829 Comment
  RSA0013024  Leptosiphon liniflorus LeRoy Gross, Caitlin Elam 2013-5-14 6041 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
  RSA468532  Leptosiphon liniflorus N. C. Cooper 1944-5-20 2651 Riverside Palm Springs. 137 Comment
  RSA574750  Leptosiphon liniflorus Steve Boyd 1982-5-20 s.n. Riverside Gavilan Hills region, southeastern flank of Estelle Mountain. 671 Comment
  RSA507939  Leptosiphon parviflorus Steve Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-3-28 2257 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1500 Comment
  RSA449969  Leptosiphon pygmaeus subsp. pygmaeus J. C. Roos 1950-4-22 4757 Riverside In the hills NE of the summit of Reche Canyon. 823 Comment
  POM118637  Lesquerella tenella Marcus E. Jones 1924-2-28 s.n. Riverside West of Blythe. Comment
  UCR92299  Lessingia glandulifera var. glandulifera Scott D. White 1995-8-23 3592 Riverside San Jacinto Valley, San Jacinto River wash, just north of Florida Avenue (City of Hemet), near intersection with Schultz Rd. 549 Comment
  RSA388404  Leymus condensatus R. F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61183 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: Cole Canyon 535 Comment
  RSA781835  Leymus condensatus Michael Wall 2011-8-5 611 Riverside Along Bautista Canyon Rd., confluence of unnamed canyon ca. 1.5 miles SE of jct. with Fairview Ave. 629 Comment
  RSA234048  Lilaea scilloides Robert F. Thorne, E. W. Lathrop 1969-6-6 39316 Riverside Santa Rosa Plateau: Rancho California, Mesa de Colorado 624 Comment
  JOTR30953  Linanthus aureus subsp. aureus La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1928 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  RSA525324  Linanthus bigelovii Steve Boyd, A. C. Sanders, Mark Skinner 1990-4-28 4455 Riverside Vail Lake area, benches along Kolb Crk., W of Dripping Springs, N of Hwy 79. 487 Comment
  RSA791484  Linanthus bigelovii J. Andre, T. La Doux, R. B. Kelley 2011-5-4 21078 Riverside Joshua Tree National Park; Long Canyon, up side canyon approx. 400 m. west of main canyon drainage. 1172 Comment
  RSA800105  Linanthus bigelovii Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4768 Riverside East side of the Arica Mountains; west side of Rice Valley approximately 6 air miles southeast of the ghost town of Rice or approximately 5.3 air miles east of Priests Well. 198 Comment
  HSC95631  Linanthus californicus D. Atwood 1993-3-26 17655 Riverside Summit of Santa Ana Mts., 4.8 mi. S of Lake Elsinore, along Hwy. 74 813 Comment
  RSA522762  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd, L. Arnseth, T. S. Ross 1990-3-29 3869 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  UC23674  Linanthus lemmonii H. M. Hall Jun 1901 2062 Riverside s side San Jacinto Mts. 1584 Comment
  UCR220141  Linanthus lemmonii D. E. Bramlet 1990-4-27 1984 B Riverside Peninsular Range, Ridgeline 2100-2500 ft. (c. 0.4 mi.) NE of knoll '2502,' and 1200-1500 ft. (~ 0.21 mi.) west of Rawson Canyon 671 Comment
  UCR167867  Linanthus parviflorus T. B. Salvato, John F. Green 2004-5-27 573 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  UCR27119  Lithophragma affine T. P. Krantz 1982-5-25 s.n. Riverside Peninsular Range; San Jacinto Mtns., Baldy Mountain mesa above the west end of Garner Valley 1585 Comment
  UCR60269  Lithophragma affine subsp. mixtum Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3118 Riverside Peninsular Range, Vail Lake area, 2 mi west of dam, at edge of escarpment east of Pauba Valley 549 Comment
  UCR136003  Loeflingia squarrosa Virginia Moran 2003-5-22 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), east of Sage Road and south of Wilson Valley Road 700 Comment
  UCR155941  Loeflingia squarrosa T. B. Salvato, Kent Beaman 2005-5-16 799 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
  UC809714  Loeseliastrum schottii E. K. Balls 1949-4-4 12963 Riverside between Durmid and Salton (on Hwy. 111); Colorado Desert Comment
  UC1179099  Logfia arizonica Herbert L. Mason 1952-4-7 14208 a Riverside near Palm Springs; Palm Canyon Comment
  JOTR28878  Logfia depressa La Doux, Tasha, Bill Truesdell 2004-3-11 1036 Riverside Joshua Tree National Park. Pinto Basin; sand hills 530 Comment
  SEINET251730  Lolium rigidum Walte Graves 2002-6-11 602 -1 Riverside Grown at U.C. R. in Agricultural Opeations Fields 305 Comment
  UCR230046  Lomatium dasycarpum subsp. dasycarpum L. Nye, G. Gust 2005-3-11 548 Riverside Cleveland National Forest, just off of Hwy 74 opposite El Cariso Campground on washed out forest road 762 Comment
  UCR120961  Lomatium utriculatum A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23888 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  UCR262252  Lonicera subspicata T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3743 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  POM128323  Lonicera subspicata var. denudata H. M. Hall 1897-08 s.n. Riverside San Jacinto Mountains. Comment
  RSA5427  Lotus crassifolius C. B. Wolf 1932-8-4 1540 Riverside Point View near Idyllwild. 1646 Comment
  RSA388324  Lotus hamatus Steve Boyd 1986-5-7 1843 Riverside Temescal Canyon: Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. [Gavilan Hills] Comment
  RSA585881  Lotus hamatus D. L. Banks, Peter Morrell 1995-5-4 0315 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, N of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, SE of the Dripping Springs Campground,, on Arkose hills at the N base of the metasedimentary hills N of Wildhorse Peak. 536 Comment
  SEINET7048200  Lotus hamatus Steven R. Hill, Andrew C. Sanders 2001-5-4 33710 Riverside Santa Rosa Plateau, eastern rim, north side of Avenida del Oro, just east of junction with Sandia Creek Drive, 2 miles west of junction of Rancho California Road and Route I-15. Elevation 1570 - 1670 feet. 509 Comment
  UCR35035  Lotus heermannii L. B. Ziegler 1967-8-2 199 Riverside Peninsular Ranges, San Jacinto Mtns., upper Herkey Creek area 1524 Comment
  UCR120906  Lotus humistratus A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24944 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  POM230750  Lotus oblongifolius I. W. Clokey, E. G. Anderson 1935-8-21 6722 Riverside Fuller's Creek, San Jacinto Mountains 1500 Comment
  UC489086  Lotus oblongifolius var. oblongifolius C. V. Meyer 1928-7-24 Riverside Idyllwild Falls San Jacinto Mts. 1981 Comment
  UCR159258  Lotus purshianus A. C. Sanders, Kelly Volansky 2005-8-31 31572 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  RSA406791  Lotus rigidus N. R. Zabriskie, Walter M. Zabriskie 1971-2-15 342 Riverside Andreas Canyon, east slope San Jacinto Mts. 427 Comment
  SEINET2042331 Image available Lotus rigidus George K. Helmkamp, E. A. Helmkamp 1998-4-23 3376 Riverside Santa Rosa Mountains; Pinyon Pines along CA-74 between the San Jacinto and Santa Rosa Mountains. 1296 Comment
  UCR126497  Lotus salsuginosus A. C. Sanders, K. C. Rose 1995-4-27 16733 Riverside Sonoran (Colorado) Desert, Coachella Valley, foot of the Little San Bernardino Mtns., canyon east of Fan Hill, just outside Joshua Tree Nat. Park 549 Comment
  POM320471  Lotus salsuginosus var. salsuginosus Greg Wright 1971-4-17 12 Riverside Corona Skyline Drive, southwest of Corona, Cleveland National Forest. 366 Comment
  CSUSB1257  Lotus scoparius Scott Fowler 1964-4-4 640404 43 Riverside Found on east side of hill directly behind the C.E.S. building on the UCR (University of California Riverside) campus in Riverside. 396 Comment
  JOTR30261  Lotus strigosus Leary, C. and Leary, Pat 1979-5-6 3028 Riverside Joshua Tree National Park. ca. 1.0 mi S.E. of Quail Mtn., Joshua Tree N.M., T2S R7E sec 14 Comment
  RSA777415  Lotus strigosus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 839 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine,' rolling bajadas adjacent rocky hills, separated by small wash fingers 451 Comment
  UCR166168  Lotus strigosus John F. Green 2005-2-10 s.n. Riverside Peninsular Range, E of Temecula, Rancho California, SE of intersection of Mesa Verdugo and Calle Vista, N of Pauba Valley and south of Buck Mesa 430 Comment
  UCR261449  Lotus strigosus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41422 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
  RSA644225  Lotus strigosus var. strigosus V. W. Steinmann, M. T. Wedlake 1995-4-8 656 Riverside Along Hwy. 111, 1 km northwest of Palm Springs (measured from the intersection with San Rafael Dr.). 215 Comment
  UCR138563  Lotus strigosus var. tomentellus Steve Boyd, Orlando Mistretta 1986-3-13 1471 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  RSA633871  Lupinus andersonii R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38114 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  RSA444313  Lupinus arizonicus Walter Wisura 1988-3-1 4183 Riverside Frontage Road, off I-10, near pumping station in Pinkham Wash area. Comment
  RSA795737  Lupinus arizonicus Jim Andre 2012-3-18 21286 Riverside Palen Valley; along Rice Road (Highway 177) east of Coxcomb Mountains, 9.6 miles south of Highway 62. 208 Comment
  SD237432  Lupinus arizonicus Dave Silverman, Mark Bibbo 2010-3-31 7887 Riverside UTM in Supplement.N. Palo Verde Mesa, E flank bajada of the McCoy Mtns, one mile W of Black Creek Rd, 5.3 km N of I-10 and 6.5 km ENE of McCoy Peak. Comment
  SD48478  Lupinus arizonicus E. K. Balls, P. C. Everett 1958-3-20 22937 Riverside South base of Eagle Mountains, US Hwy 60/70 366 Comment
  UCR142844  Lupinus arizonicus I. M. Johnston 1917-4-4 s.n. Riverside Sonoran (Colorado) Desert, near Palm Springs 183 Comment
  UCR233175A  Lupinus arizonicus Jim Andre, Glenn L. Clifton 2011-2-22 17433 Riverside Mecca Hills, along Box Canyon Road, 8.5 mi northeast of town of Mecca 171 Comment
  RSA691056  Lupinus bicolor Scott D. White, Michael Honer 2003-4-9 8989 Riverside Gavilan Hills: About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak 2349. 549 Comment
  UC1212156  Lupinus bicolor David Dunn 1941-3-29 932 Riverside two mi w Corona; w of Corona Comment
  UCR172234  Lupinus bicolor John F. Green 2006-5-10 s.n. Riverside Peninsular Ranges, City of Murrieta; south of the Hogbacks. north of Hunter Road to Ramage Lane, between Calle de Amor on the E and Springview/Kiwebre Road on the W 402 Comment
  UCR174082  Lupinus bicolor A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32543 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 564 Comment
  RSA350063  Lupinus bicolor subsp. microphyllus N. C. Cooper 1947-4-5 2038 Riverside Alamos Canyon, Elsinore 762 Comment
  RSA180235  Lupinus bicolor subsp. tridentatus E. W. Lathrop 1965-5-30 5597 Riverside 14 miles W of Murrieta, Riverside County Comment
  JOTR16692  Lupinus concinnus Walters, Jim 1967-4-11 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS 1645 Comment
  RSA783241  Lupinus concinnus J. D. Olmsted 1962-6-3 3484 Riverside S slope along road on north side of Hemet Lake 1280 Comment
  SD128292  Lupinus concinnus R. Mitchel Beauchamp 1971-5-15 2415 Riverside Black Mountain campground, San Jacinto Mountains. 2207 Comment
  SD137771  Lupinus concinnus Darin L. Banks, Steve Boyd 1995-5-9 337 Riverside Northwest Palomar Mountains, north of the Agua Tibia Wilderness Area; west of the Dripping Springs Alcove Area. 730 Comment
  UC1506126  Lupinus concinnus R. T. and H. E. Clausen 1963-4-27 63073 Riverside se Winchester; Transverse Ranges 615 Comment
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Mar 20 2011
  UCR202000  Lupinus concinnus 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
  RSA49180  Lupinus concinnus subsp. orcuttii Philip A. Munz 1949-4-13 13054 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
  RSA356755  Lupinus concinnus var. concinnus R. F. Thorne 1973-5-23 45538 Riverside Santa Rosa Plateau:; N side of Mesa de Colorado. 610 Comment
  RSA91205  Lupinus excubitus var. hallii F. W. Peirson 1929-5-4 8339 Riverside 2 miles north of Aguanga, South of Hemet. 549 Comment
  RSA33606  Lupinus formosus N. C. Cooper 1944-5-20 1313 Riverside Palms to Pines Highway [Hwy 74], San Jacinto Mountains. 1280 Comment
  UC15857  Lupinus formosus H. M. Hall June, 1901 2167 Riverside Thomas Valley; San Jacinto Mountains, Thomas Valley 1371 Comment
  RSA342537  Lupinus hirsutissimus Robert F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54020 Riverside San Bernardino Mountains: At mouth of Whitewater Canyon, ca. 1/4 mi. W of Whitewater P.O. and 1/2 mi. W of Whitewater River. 415 Comment
  UCR107396  Lupinus hirsutissimus B. G. Pitzer 1997-3-23 2951 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  RSA413644  Lupinus hyacinthinus N. C. Cooper 1944-7-16 1611 Riverside Above Pine Cove, San Jacinto Mtns. 1829 Comment
  UC729932  Lupinus hyacinthinus Carl B. Wolf 1932-8-5 3985 Riverside along trail from Tahquitz Valley to San Jacinto Peak (near junction of Round Valley Trail); San Jacinto Mts., trail fr Tahquitz Valley to San Jacinto Pe 2956 Comment
  RSA114446  Lupinus latifolius subsp. parishii G. R. Campbell 1956-6-11 21613 Riverside Nursery Seedlings growing under Prop. No. 8412, from seed Fuller Mill Creek, 1.3 miles north of Black mountains. trail, hwy from Banning to Idyllwild. Comment
  JEPS65300  Lupinus latifolius var. parishii W. L. Jepson 1903-8-4 2280 Riverside Chalk Hill San Jacinto Mt. (south hillside, San Jacinto Mt.); San Jacinto Mt. Chalk Hill, South hillside 1493 Comment
  SD137765  Lupinus microcarpus var. densiflorus Darin L. Banks, Steve Boyd 1995-5-17 441 Riverside NW Palomar Mountains, Cleveland National Forest, north of the Agua Tibia Wilderness Area, north face of Agua Tibia Mountain, lower Arroyo Seco, souht of Dripping Springs Campground, west of the Dripping Springs Trail 573 Comment
  CLARK-A1528-4873  Lupinus sparsiflorus John C. Roos 1937-3-23 434 Riverside Whitewater Comment
  CLARK-A1528-503  Lupinus sparsiflorus Charlotte Stocks 1962-6-23 Riverside Whitewater Canyon Comment
  UCD109485  Lupinus sparsiflorus A. C. Sanders; Mitch Provance, T. B. Salvato 2001-5-17 24157 Riverside Perris-Aguanga Basin region: S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. E of State St., between Silver Dew Dr and Morse Girard St. 503 Comment
  UCR137689  Lupinus sparsiflorus D. L. Banks, V. W. Steinmann 1997-3-13 1486 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  UCR225720  Lupinus sparsiflorus A. C. Sanders 2011-3-30 38907 Riverside Peninsular Range, city of Lake Elsinore, along north edge of Hwy 74 at and above Trellis Lane 457 Comment
  RSA80963  Lupinus sparsiflorus subsp. sparsiflorus G. R. Campbell 1952-4-6 18412 Riverside Joshua Tree National Monument. 1.5 miles toward Cottonwood Springs, off road to 29 Palms 976 Comment
  POM305375  Lupinus succulentus Henry J. Ramsey, Henry J. Ramsey 1938-3-28 643 Riverside Elsinore Comment
  SD244161  Lupinus succulentus T. B. Salvato, Mike Landers 2013-3-21 7384 A Riverside Perris-Aguanga Basin: Murrieta, between Hwy 215 and State Route 79 (Winchester Road), .23 mile east of the intersection of Keller Road and Menifee Road (Romoland 7.5'Q) 466 Comment
  CLARK-A1045-883  Lupinus truncatus George K. Helmkamp 1978-6-1 #1 Riverside Santa Ana Mountains roadside; Wildomar 7.5'Q Comment
  SEINET2062684 Image available Lupinus truncatus Don Mitchell 1990-4-30 Riverside W side of Sage Rd., ca 0.5 mi S of intersection with Wilson Valley Rd. Sage 7.5' Quad 701 Comment
  POM19846  Luzula comosa Mary F. Spencer 1923-6-12 2178 Riverside Idyllwild, San Jacinto Mountains. 1951 Comment
  OBI38809  Lycium andersonii A. C. Sanders, Pitzer, Charlton, and Kniffen 1986-3-3 6094 Riverside Corn Spring, Chuckwalla Mts 488 Comment
  RSA422108  Lycium andersonii M. B. Dunkle 1937-3-25 4926 Riverside Colorado Desert. Shaver's Well Comment
  RSA775937  Lycium andersonii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 947 Riverside Wash crossing Midland Rice Road, near saddle between Little Maria Mountains and Big Maria Mountains 320 Comment
  UCR248092  Lycium pallidum var. oligospermum Duncan S. Bell, John Anderson, Kim Clark, Keir Morse 2012-11-11 4367 Riverside Sonoran (Colorado) Desert, Mecca Hills, at Hidden Spring just off Hidden Spring Canyon, c. 2.6 air miles south of Shaver Well, or c. 5.4 air miles northeast of junction of Box Canyon Road and the Coachella Canal 216 Comment
  CLARK-A1528-900  Lycopersicon esculentum C. M. Flanagan 1971-5-24 Riverside Highgrove Comment
  RSA678927  Lythrum hyssopifolia Scott D. White, Michael Honer 2003-6-3 9470 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  RSA356645  Lythrum hyssopifolia Robert F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47309 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 610 Comment
  RSA301960  Machaeranthera asteroides J. R. Shevock 1972-10-14 2319 Riverside Near Anza, Hwy 71. Comment
  RSA575859  Machaeranthera asteroides var. asteroides Steve Boyd 1980-9-22 s.n. Riverside Lakeview Mountains, Juniper Flats area along Juniper Flats Rd. at '4 J's Ranch.' Comment
  UCR13885  Machaeranthera canescens subsp. ziegleri J. Zabriskie 1973-8-15 381 Riverside Santa Rosa Mountains, Stump Spring 2348 Comment
  UCR26092  Machaeranthera canescens subsp. ziegleri John C. Roos 1946-8-27 2920 Riverside Santa Rosa Mountains, Santa Rosa Mountain 2409 Comment
  SEINET2053351 Image available Machaeranthera canescens var. incana Don Domenigoni 1985-9-20 Riverside Hemet, 950 N State Street. Comment
  UC63225  Madia elegans H. M. Hall May 1899 Riverside San Jacinto Mountains Comment
  RSA561880  Madia gracilis Steve Boyd, Timothy S. Ross 1992-6-10 7629 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, San Mateo Canyon about Potrero Escondido, an isolated area of low relief topping the ridge system due west of the junction of Tenaja Road (7S01) and Los Alamos Road (7S04)., At the confluence of Los Alamos Creek with the main trunk of San Mateo Creek 671 Comment
  RSA619542  Madia gracilis D. L. Banks 1997-5-5 1991 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek. East of where the road crosses to the southern bank of the south fork of Pechanga Creek. 427 Comment
  SD181691  Madia gracilis Scott D. White, Sandy Leatherman 2000-5-31 7989 Riverside Near Squaw Mountain. 640 Comment
  UCD134317  Madia gracilis E. W. Lathrop 1966-5-5 6268 Riverside 5 miles west of Murrieta. Comment
  RSA452618  Mahonia Thekla Mohr 1920-5-1 s.n. Riverside Ivy Canyon, Temescal. Comment
  CAS-BOT-BC206263  Malacothamnus fasciculatus Winfield 1975-4-27 2379 Riverside Snow Ck. Rd ~ 3 mi. from Hiway 111 Comment
  UC63859  Malacothamnus fasciculatus var. fasciculatus H. M. Hall 1897-5-5 528 Riverside Winchester Comment
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Mar 20 2011
  UCR121072  Malacothrix californica D. E. Bramlet 2000-8-30 3077 A Riverside Perris-Aguanga Basin region, Shipley Reserve, ephemeral drainage 213 m south of Auld Valley Creek and 915 m east of Bachelor Mtn. access road 451 Comment
  JEPS36809  Malacothrix clevelandii W. L. Jepson 1928-4-19 12430 Riverside hills 5 mi n Elsinore Comment
  RSA585791  Malacothrix clevelandii D. L. Banks, S. D. Boyd 1995-5-9 0418 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, W of the Dripping Springs Alcove, W of Woodchuck Campground. 710 Comment
  VVC92  Malacothrix clevelandii A. C. Sanders, J. Mac 1997-5-4 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  CAS-BOT-BC345464  Malacothrix coulteri H. M. Hall 1902-4-21 2925 Riverside Vicinity of Riverside 487 Comment
  SD8989  Malacothrix coulteri Daniel Cleveland 1882-4-24 Riverside San Jacinto Plains. Comment
  JEPS36767  Malacothrix glabrata W. L. Jepson May 17 1901-Jun 1 1901 1254 Riverside 4 mi n Hemet; San Jacinto River Comment
  JOTR30960  Malacothrix glabrata La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1935 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  POM362322  Malacothrix glabrata Ora M. Clark 1929-3-16 1693 Riverside South of Cabazon. Comment
  RSA613903  Malacothrix glabrata A. C. Sanders, P. Mackay, Tim C. Thomas, O. F. Clarke 1997-5-4 20642 Riverside San Jacinto Mtns: N side along hwy 243, 1.5 mile below Twin Pines Ranch Raod (McMullen Flat), N slope of peak 3740. 1067 Comment
  SEINET2053778 Image available Malacothrix glabrata Norman C. Cooper 1949-4-9 3260 Riverside Mecca Pass east of Indio. 548 Comment
  UC68991  Malacothrix glabrata H. M. Hall June, 1905 6237 Riverside vicinity Riverside 304 Comment
  UCR167466  Malacothrix glabrata 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
  UCR88116  Malacothrix glabrata A. C. Sanders, G. Nuhn 1995-4-20 16596 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
  IRVC77  Malosma laurina L. Stilgenbauer 1965-4-25 s.n. Riverside Ortega Highway; above Elsinore. Santa Ana Mountains Comment
  UCR158329  Malva parviflora A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30071 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
  SEINET3449034  Malva sylvestris Unknown 2001-4-29 33518 Riverside Calimesa, Calimesa, south side of route interstate 10 right of way, 0.2 miles west of Desert lawn Road exit, small drainage culvert at San Timoteo Wash 700 Comment
  POM10402  Malvella leprosa Charlotte M. Wilder 1904-10 s.n. Riverside Between Elsinore and Corona. Comment
  RSA654970  Malvella leprosa A. C. Sanders, D. Malueg, K. D. Jones 2000-9-8 23633 Riverside Perris-Aguanga Basin Region: gasline right of way across Pinto and Hoopes Ranches, east of Briggs Road at and near Warm Springs Creek, S of Scott Rd. 415 Comment
  SEINET11924833  Mammillaria tetrancistra S. B. Parish, Parish, W. F. 1881-1 162 Riverside Whitewater Comment
  SD215475  Marah macrocarpa Steve Boyd, Tim Ross, et al 1990-4-2 4011 Riverside Vail Lake area, lower slopes of Agua tibia Mountain, along Highway 79, East of USFWS Dripping Springs Guard Station. 487 Comment
  SEINET10448093  Marah macrocarpa James S. Miller 1992-5-8 Miller 7457 Riverside 1 mi N of California route 74 on Main Divide Road; near NE border of Cleveland National Forest. 900 Comment
  CAS-BOT-BC218948  Marina parryi Lester Rowntree 1937-5-26 s.n. Riverside Box Canyon near Mecca Comment
  SEINET10389836  Marina parryi A. C. Sanders, Jim Malusa 2015-9-10 41863 Riverside Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range 480 Comment
  UCR103587  Marina parryi George K. Helmkamp, E. A. Helmkamp 1998-2-18 2728 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi south of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  UCR240066  Marina parryi A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40504 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south of the Chuckwalla Mtns., along Bradshaw Trail 1 km SE of Augustine Rd. junction, large wash on SW side of road 695 Comment
  UCR92753  Marina parryi George K. Helmkamp 1995-3-16 s.n. Riverside Sonoran (Colorado) Desert, Below Coxcomb Mtns., west of Rice Rd., 10.3 mi. NE of Desert Center 200 Comment
  CAS-BOT-BC67842  Marsilea vestita John C. Roos 1952-5-21 5704 Riverside San Jacinto river bottomland 1 1/2 miles southeast of Perris 426 Comment
  SDSU21797  Marsilea vestita subsp. vestita Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3983 Riverside Santa Rosa Plateau Ecological Reserve. Across street from vernal pool trail, ca. 4 miles north on road from Visitor's Center. 636 Comment
  RSA552749  Meconella denticulata Steve Boyd, C. Boyd, K. A. Boyd 1992-3-21 6735 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area, Tenaja Canyon. along trail from wilderness boundary downstream towards Fisherman's Camp. 366 Comment
  RSA759271  Meconella denticulata Robt. Allen, L Fuentes 2008-4-10 s.n. Riverside San Juan Canyon watershed. Along Bear Canyon Trail, 0.08 air mi. SSE of the trailhead near Ortega Hwy. 628 Comment
  SD187410  Medicago polymorpha Scott D. White, Angelia Carey 2004-4-16 10176 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes 548 Comment
  SD162826  Melica californica A. C. Sanders 1997-3-15 19916 Riverside Lake Skinner area: hill (1864) E of Skinner Lake at NW end of Tucalota Hills, rocky gabbro and granite hill 566 Comment
  CHSC98225  Melica frutescens R. E. Riefner Jr. 2006-7-29 06 -350 Riverside Lakeview Mountains, vicinity of Alicante Dr. and Jamawag Rd., NNW ca 0.75 mi from Leon Rd. UTM; 11S 0488764E 3736046N 579 Comment
  UCR130877  Melilotus albus A. C. Sanders, K. C. Rose 1999-5-28 22791 Riverside Coachella Valley, between La Quinta and Indio, along Jefferson St. between Ave 54 and I-10 18 Comment
  UCR139045  Melilotus albus D. L. Banks 1997-3-1 1383 Riverside NW Palomar Mountains, Agua Tibia Mountains, Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and a long Pechanga Creek 335 Comment
  CSUSB1111  Melilotus indicus David H. Eslinger 1907-5-27 Riverside City of Riverside, UCR campus, near sidewalk along lawn northwest of geology building. 335 Comment
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Jul 26 2011
  RSA0035195  Melilotus indicus Lydia Paneri 1982-4-17 30 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  UC1537076  Melilotus indicus Gordon H. True Jr. 1935-4-11 230 Riverside Gavilan Hills 609 Comment
  JEPS41159  Mentzelia affinis W. L. Jepson May 17 1901-Jun 1 1901 1234 Riverside Riverside, Santa Rosa Peak and Palomar Comment
  RSA524586  Mentzelia affinis Steve Boyd, L. Arnseth, J. Bonilla, Tim Ross 1990-4-3 4134 Riverside Vail Lake area, SW base of Big Oak Mtn, mouth of Temecula Creek Canyon. 396 Comment
  RSA781389  Mentzelia affinis Duncan S. Bell 2010-5-1 908 Riverside Arica Mountains: northwest of mountain range, approximately 7.2 air miles west of the ghost town of Rice, and approximately 6 air miles northwest of Priests Well. 312 Comment
  SEINET3004971  Mentzelia affinis G. Rink 2011-3-28 10397 Riverside Desert pavement north of Blythe, east of the McCoy Mtns 115 Comment
  RSA239809  Mentzelia involucrata C. W. Tilforth 1973-4-29 774 Riverside 2 miles S of Bridge at base of Seven Level Hill, S of Palm Desert, Hwy 74 457 Comment
  RSA701220  Mentzelia involucrata Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11276 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
  UCR74382  Mentzelia involucrata Theo Glenn 1991-5-2 91- 29 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  UCSB4215  Mentzelia involucrata Hurd, Richard 1956-4-14 Riverside Road to Devil's Garden; 3 miles from Highway 99 Comment
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Nov 23 2014
  POM15051  Mentzelia involucrata var. megalantha Mary F. Spencer 1922-3-29 1990 Riverside Mecca -49 Comment
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May 29 2011
  UCR163075  Mentzelia longiloba var. longiloba B. G. Pitzer, G. R. Ballmer 2000-10-14 4231 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
  UCR72156  Mentzelia longiloba var. longiloba Theo Glenn 1991-5-8 91- 83 Riverside Sonoran (Colorado) Desert, Big Maria Mtns, north of Blythe 378 Comment
  UC479436 Image available Mentzelia multiflora subsp. longiloba Marcus E. Jones, A. M. 1931-9-15 Riverside Hayfields Comment
  JOTR35485  Mentzelia veatchiana La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3173 Riverside Joshua Tree National Park. Little San Bernardino Mtns, below Lower Covington Flats, W of Smithwater Canyon,(Biodiversity Hunt stop1) 1341 Comment
  SD178085  Mesembryanthemum nodiflorum A. C. Sanders 2004-5-12 27856 Riverside Elsinore Basin Region: Alberhill Mountain, northwest foot near Lake St. at Alberhill. 377 Comment
  UCR182432  Mesembryanthemum nodiflorum Mitch Provance 2005-5-17 6557 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
  RSA515309  Micropus californicus Jeri Hirshberg 1989-4-18 s.n. Riverside Santa Rosa Plateau: S of town of Murrieta, S of Mesa de Burro and NW of Mesa de la Punta. 610 Comment
  RSA585784  Micropus californicus var. californicus D. L. Banks, S. D. Boyd 1995-5-9 0397 B Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 790 Comment
  UCSB60195  Microseris douglasii Bramlet, D. 1992-4-29 Riverside 823 m. west of Gilman Springs Rd., approx. 460 m. S. of Bold Style Ave. 436 Comment
  RSA593900  Microseris douglasii subsp. douglasii Steve Boyd, David E. Bramlet 1996-4-19 8607 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
  UCR228259  Microseris douglasii subsp. douglasii A. C. Sanders, T. B. Salvato 2011-4-1 38936 Riverside Peninsular Range, Lake Elsinore area, near Alberhill, Baker St., SW side at dirt road crossing, c. 270 ft. SE of intersection with Pierce St. 385 Comment
  UCR104969  Microseris douglasii subsp. platycarpha D. E. Bramlet 1993-5-5 2339 Riverside In a tributary to Olsen Canyon, 366m east of the El Sobrante landfill and 610 m north of Dawson Canyon. The site is some 91 m north of the existing NE-SW access road to the Black Rocks region 415 Comment
  UCR217519  Microseris douglasii subsp. platycarpha Kim Sparks, John Dvorak 2010-4-14 09 Riverside Perris-Aguanga Basin, Southeast end of Paloma Valley, 0.8km south of Scott Rd. and 400m east of Briggs Rd 435 Comment
  UCR152521  Microseris heterocarpa A. C. Sanders 2005-4-22 29591 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  RSA528103  Microseris lindleyi Steve Myers 1991-4-15 91 -13 Riverside City of Banning, W of fields Road, N of Interstate 10 & S o the Morongo Indian Reservation. 671 Comment
  RSA621596  Microseris lindleyi D. L. Banks 1997-5-5 2006 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  RSA741551  Microseris lindleyi Scott D. White, Justin M. Wood 2008-6-16 12117 Riverside San Jacinto Mountains: Fobes Canyon, +/- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  UCR180587  Microseris lindleyi Scott D. White, Angelia Carey 2004-4-5 9997 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  SD186343  Mimetanthe pilosa Andy C. Sanders 2005-6-15 31005 Riverside Sage-Aquanga Region: 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Road, 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 640 Comment
  RSA587174  Mimulus aurantiacus D. L. Banks, S. D. Boyd 1995-6-2 558 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail N of the Riverside County boundary, approximately 1/4 mile S of the clay grasslands in S32. 902 Comment
  RSA442720  Mimulus aurantiacus var. puniceus W. P. Burger 1979-4-29 65 Riverside Off Carancho Rd. , just past where creek crosses rd., in Hidden Valley. Near Lake Elsinor. 366 Comment
  UC943855  Mimulus aurantiacus var. puniceus H. E. McMinn, M. Van Rensselaer 1945-6-7 1900 D-2 Riverside Temecula Grade Comment
  CLARK-A1528-4236  Mimulus brevipes Carol Ann Simon 1969-5-20 45 Riverside Riverside 274 Comment
  UCR193918  Mimulus brevipes A. C. Sanders, Mitch Provance 2008-7-11 35773 Riverside Peninsular Range; San Jacinto Mtns., FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station 1463 Comment
  UCR87619  Mimulus brevipes A. C. Sanders 1994-5-30 14618 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 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
  UCR217532  Mimulus diffusus Diane Menuz 2008-4-4 392 Riverside Peninsular Range, Palomar Mountains. And 0.5 mi down Woodchuck Rd. from national forest boundary 719 Comment
  RSA526488  Mimulus floribundus Steve Boyd, Tim S. Ross 1990-5-11 4685 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  UCR19741  Mimulus floribundus E. W. Lathrop 1966-5-1 6229 Riverside Peninsular Range, 3 mi west of Murrieta Comment
  RSA408105  Mimulus fremontii R. S. Woglum 1937-5-22 534 Riverside Anza, Cahuilla Valley. Comment
  UCR15997  Mimulus guttatus S. Nelson 1974-5-9 s.n. Riverside Santa Ana River Park 244 Comment
  UCSC000871  Mimulus guttatus Peter Kamb 1948-7-4 1163 Riverside Hall Canyon, San Jacinto Mts. 1646 Comment
  JOTR34166  Mimulus parishii Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 123 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Pinyon Well; Riparian area near small series of active springs and seeps (Stop 2) 1182 Comment
  UCR110973  Mimulus parishii George K. Helmkamp 1998-6-27 4100 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  RSA650913  Mimulus puniceus Carol Zuck 1981-2-16 39 Riverside On [Hwy] 74, 14.8 miles southest of Santa Rosa Rd. overlooking Elsinore. Comment
  UC27011  Mimulus tilingii H. M. Hall Jul. 1901 2471 Riverside Tauquitz Valley San Jacinto Mountains 2590 Comment
  JEPS51438  Minuartia douglasii W. L. Jepson May 17 1901-Jun 1 1901 Riverside Chalk Hill San Jacinto Mountain Comment
  RSA180369  Mirabilis laevis var. crassifolia E. W. Lathrop 1965-5-23 5766 a Riverside Riverside, 8 miles W of Murrieta 610 Comment
  SJSU4253  Mirabilis laevis var. crassifolia G. B. Youngberg 1956-3-29 216 Riverside by Lake Matthews, Arlington c. 8 mi E of Corona Comment
  CAS-BOT-BC434820  Mirabilis laevis var. retrorsa Ynez Whilton Winblad 1937-4-19 s.n. Riverside Near Palm Springs Comment
  RSA314622  Mirabilis laevis var. retrorsa Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55411 Riverside San Bernardino Mountains; Mouth of Whitewater canyon, east of Whitewater Post Office at south end of ridge, in sandy wash east of bridge, and on base of west-facing slope of ridge. 412 Comment
  SEINET3142120  Mirabilis laevis var. retrorsa S. B. Parish 1907-4-24 6073 Riverside western base of Colorado desert 360 Comment
  CAS-BOT-BC434883  Mirabilis multiflora var. pubescens Steve Boyd 1991-9-8 6434 Riverside Aguanga Valley, sandy wash of Temecula Creek, S of Hwy 79 at jtn with Hwy 371. 600 Comment
  RSA651092  Mirabilis multiflora var. pubescens Harold Lint 1958-5-25 2028 Riverside East of Pinyon flats campground. Pines to Palms Hwy [Hwy 74]. Comment
  SEINET8255138  Mohavea D. W. McNeal 1988-3-18 3230 Riverside bottom of Mecca Canyon beside Hwy. #195, 9.5 mi. sw. of Interstate #10 s. of Joshua Tree Nat. Mon. Comment
  HSC82911  Mohavea confertiflora Christopher Davidson 1979-4-4 7734 Riverside Orocopia Mtns., E of Box Canyon on Box Canyon Rd., 15.1 mi. E of Mecca, dirt road to the SE 579 Comment
  POM13891  Mohavea confertiflora Philip A. Munz, D. D. Keck 1922-4-9 4825 Riverside South base of Eagle Mountains 3 miles NE of the 'Hayfields' 213 Comment
  RSA778206  Mohavea confertiflora Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 800 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  UCR148330  Mohavea confertiflora John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  POM268799  Mollugo cerviana E. C. Jaeger 1945-09 s.n. Riverside Joshua Tree National Monument. 1220 Comment
  RSA234082  Monardella lanceolata var. lanceolata Robert F. Thorne 1969-6-6 39328 Riverside Santa Rosa Plateau: Rancho California. 610 Comment
  CAS-BOT-BC215454  Monardella linoides subsp. linoides Philip A. Munz 1938-8-14 15380 Riverside Ridge east of Toro Peak, Santa Rosa Mts. 2286 Comment
  RSA741177  Monardella linoides subsp. linoides Scott D. White, Justin M. Wood 2008-6-17 12179 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  UCR237946  Monardella linoides subsp. linoides Mark A. Elvin 2004-6-2 3497 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley, east of Hwy 74 between Fobes Ranch Rd. and Morris Ranch Rd. at base of foothills 1402 Comment
  IRVC2056  Monardella nana R. H. Whittaker, W. A. Niering 1963-6-9 SJ 365 Riverside Elks Road. slope SW 25 degrees. Peninsular Ranges, Santa Rosa Mountains Comment
  LA96077  Monardella nana Elizabeth McClintock; M. McClintock, D. Weiner 1941-7-11 94 Riverside Banning-Idyllwild road. 0.75 mi. beyond Stone Creek Comment
  UC1499897  Monardella nana Elizabeth McClintock 1941-6-8 58 Riverside Road to Santa Rosa Mt., 0.6 mi les above Pines to Palms Highway Comment
  RSA750278  Monardella nana subsp. arida Elizabeth McClintock, H. Lewis 1941-6-29 79 Riverside Road up Santa Rosa Mt. 4.5 miles beyond canyon where stream crosses road. Comment
  RSA750412  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 59 Riverside Road to Santa Rosa Mt. 0.9 miles above Pines to Palms Highway. Comment
  SEINET4151979 Image available Monardella nana subsp. arida Elizabeth McClintock, Harlan Lewis 1941-1 076 Riverside Peninsular Range; Santa Rosa Mtns.; road up Santa Rosa Mountain, 0.5 mile beyond canyon where stream crosses road 1944 Comment
  UCR221488  Monardella nana subsp. arida Elizabeth McClintock, Harlan Lewis 1941-6-29 077 Riverside Peninsular Range; Santa Rosa Mtns., road up Santa Rosa Mountain, 1 mile beyond canyon where stream crosses road 2012 Comment
  SEINET10582212  Monardella nana subsp. nana A. Graff 1993-6-24 Graff 53 Riverside San Bernadino National Forest, Thomas Mtn. Go ca. 50 yds. past the former lookout tower site on Thomas Mtn. summit. Monardella nana is off the road, to the right ca. 75 yds. T6S,R3E,S29. Need USNFS permission to collect. Small, dense, population growing among the rocks in clearing, surrounded by Pinus ponderosa, Abies concolor, Calocedrus decurrens, Quercus chrysolepis, with Eriogonum fasciculatum, Lupinus sp., Gutierrezia sp., Galium andrewsii, Bromus sitchensis, Ribes roezlii. Mid-bloom. Comment
  POM48878  Monardella nana subsp. tenuiflora P. A. Munz 1924-7-27 8739 Riverside Dark Canyon, San Jacinto Mountains. 2287 Comment
  UC1035954  Monardella nana subsp. tenuiflora Helen K. Sharsmith 1954-7-7 4444 Riverside between Fuller Creek and Idlewild (on Forest Service road to Black Mountain ca. 1 mi from highway); San Jacinto Mountains, San Bernardino National Forest 1981 Comment
  SEINET10582076  Monardella nana subsp. tenuiflora A. Graff 1993-6-23 Graff 40 Riverside San Bernadino National Forest, San Jacinto Mtns. From Hwy. 243, take Black Mtn. Rd. (USNFS Rd. 4S01) to junction with USNFS Rd. 4S02 and go 0.1 mile down 4S02. Monardella nana is on the right roadside. T4S,R2E,S23. Dry, gravelly, shaded, gentle slope. Locally sparse, with Pinus ponderosa, Arctostaphylos pringlei, Lotus scoparius, Bromus orcuttianus, Elymus elymoides, Elymus glaucus. Need USNFS permission to collect. Comment
  RSA82967  Monardella robisonii G. R. Campbell 1953-11-11 18738 Riverside Botanic Garden Nursery Seedling, from seed collected by P.A. Munz, Dec. 15, 1952 at 3800 ft. elev. in sun about rocks, Stirrup Tank, Joshua Tree National Monument, Mojave Desert. 1159 Comment
  LA62513  Monardella viminea Carl Epling; William Robison 1933-6-26 sn Riverside Little San Bernardino Mountains, Key's View 1523 Comment
  UCR266415  Monolepis nuttalliana D. E. Bramlet, M. Tucker, T. Huntley 2005-6-14 3880 Riverside San Jacinto Valley, Bloome property, 540 m north of San Jacinto River, 3150 m east of Davis Rd. at San Jacinto Wildlife Area, south of Mystic Lake Duck Club 433 Comment
  CAS-BOT-BC349798  Monoptilon bellioides John Thomas Howell 1928-3-11 3419 Riverside Morongo Canon [Canyon], n. Colorado Desert 609 Comment
  CAS-BOT-BC349810  Monoptilon bellioides Annie M. Alexander; Louise Kellogg 1941-5-11 2153 Riverside Colorado Desert. Cottonwood Spring, Eagle Mountains 883 Comment
  RSA457759  Monoptilon bellioides Steve Boyd, S. Meury, Laurel Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2126 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA543620  Montia fontana Steve Boyd 1991-5-7 6155 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  UCR201634  Montia fontana Scott D. White, Justin M. Wood 2008-6-18 12230 Riverside San Jacinto Mountains, K Flat Meadow 1445 Comment
  RSA0010790  Morus alba A. C. Sanders, O. F. Clarke 1991-6-10 11121 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  UCR2779  Muhlenbergia asperifolia F. M. Reed 1906-8-19 1172 Riverside Santa Ana River bed near West Riverside Bridge 236 Comment
  RSA179489  Muhlenbergia microsperma E. W. Lathrop 1965-4-25 5687 Riverside 4 miles southwest of Murrieta on the De Luz Road. Comment
  RSA583746  Muhlenbergia microsperma Steve Boyd 1995-4-24 8485 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on northern flank of Agua Tibia Mountain at the north base of Wildhorse Peak, along the Wildhorse Trail near the northeastern corner of the Wilderness. 671 Comment
  SEINET10389798  Muhlenbergia microsperma A. C. Sanders, Jim Malusa 2015-3-9 41361 Riverside Chocolate Mountains, along Gasline Road at major wash crossing 1.9 mi. south of Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range 686 Comment
  UCR174308  Muhlenbergia microsperma A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32651 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
  UCR85187  Muhlenbergia microsperma A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16182 Riverside Coachella Valley/San Jacinto Mtns. foothills, Chino Canyon near the Palm Springs tram station 793 Comment
  JOTR33721  Muhlenbergia porteri La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1008 Riverside Joshua Tree National Park. Large open bajada in northwest Eagle Mountains, approx. 1.75 mi northeast of Cottonwood Visitor Center along roadside of Rte. 11 930 Comment
  RSA97131  Muhlenbergia rigens H. K. Buechner 1955-5-29 C 74 Riverside Magnesium Canyon, north base of Santa Rosa Mountains. Comment
  RSA67110  Myosurus minimus subsp. apus F. W. Peirson 1922-5-19 4171 Riverside Menifee Valley Comment
  UC68783  Nama H. M. Hall Apr., 1905 5886 Riverside Chuckawalla Bench , Chuckawalla Bench (Colorado Desert) Comment
  RSA421105  Nama demissa N. C. Cooper 1949-4-8 3277 Riverside Shaver s Summit east of Indio. 610 Comment
  POM98949  Nama demissa E. C. Jaeger 1926-3-24 s.n. Riverside Eagle Mountains. Comment
  RSA484101  Nassella cernua N. C. Cooper 1944-5-6 1174 Riverside Banning. 701 Comment
  UC821907  Nassella cernua P. A. Munz and I. M. Johnston 1922-5-21 5540 Riverside Hemet Valley San Jacinto Mts. 1402 Comment
  CAS-BOT-BC227253  Nassella lepida Scott D. White; Jonathan Campbell 2008-4-18 11898 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan Property, Alberhill area 366 Comment
  SEINET223727  Nassella lepida Mary E. Barkworth 1981-5-6 3092 Riverside Pinyon Ridge off CA 74 just east of NIghtingale Comment
  RSA562482  Nassella pulchra Steve Boyd, Timothy S. Ross 1992-5-5 7254 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats along Serrano Spring drainage between Lucas Canyon Trail and junction of Bluewater and Verdugo Trails. 732 Comment
  POM10206  Navarretia atractyloides F. M. Reed 1907-6-21 1424 Riverside Riverside; Sec. 30 above Gage Canal. Comment
  RSA564113  Navarretia atractyloides Ed LaRue 1993-5-10 s.n. Riverside Murrieta Oaks, 3 miles (airline) NW of Murrieta Hot Springs, W side of Hwy 215 457 Comment
  UCR154763  Navarretia atractyloides T. B. Salvato, Kent Beaman 2005-5-16 788 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
  UCR70678  Navarretia fossalis D. E. Bramlet 1991-6-1 2183 Riverside San Jacinto Valley, San Jacinto River, c. 1.6 km west of Nuevo & 100 m north of end of 13th St.; about 8 m east of the river in a swale adjacent to the levee 473 Comment
  UCR256911  Nemacladus longiflorus var. breviflorus Naomi Fraga, Duncan S. Bell 2009-5-6 2707 Riverside Arroyo Seco SE of Dripping Springs Campground and Fire Station 518 Comment
  RSA0126316  Nemacladus longiflorus var. longiflorus Steve Boyd 1986-4-19 1700 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road. Comment
  JEPS22335  Nemacladus orientalis Peter H. Raven 1958-3-1 11748 Riverside 8.6 mi n Blythe (on U.S. Highway 95) Comment
  UCR30095  Nemacladus orientalis George K. Helmkamp 1983-4-5 483- 44 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  SEINET10461125  Nemacladus rubescens Munz 1952-5-2 MUNZ 16249 Riverside 2 miles west of Desert Hot Springs 183 Comment
  NY547192  Nemacladus rubescens var. tenuis H. M. Hall 1905-4-17 5819 Riverside Eastern base of Indio Mt., Colorado Desert 150 Comment
  CLARK-A1528-5660  Nemophila menziesii John C. Roos 1952-2-29 5361 Riverside Reche Canyon 457 Comment
  UC1242705  Nemophila menziesii C. L. Hitchcock, C. V. Muhlick 1962-3-16 22135 Riverside 8 mi se Corona (Temescal Canyon); se of Corona, Temescal Canyon Comment
  UCR138642  Nemophila menziesii var. menziesii D. L. Banks 1997-2-17 1271 Riverside Agua Tibia Mtns., NW Palomar Mountains: burned areas in the Temecula community of Redhawk, south of the intersection of Redhawk Parkway and Tehachapi Pass Road 396 Comment
  RSA699018  Nicotiana attenuata J. R. Bruff 1932-2-22 s.n. Riverside Between Edom and Garnet. Comment
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Nov 2 2011
  RSA426681  Nicotiana bigelovii var. wallacei H. Twining 1890-05 s.n. Riverside Foothills [Riverside] Comment
  JEPS12375  Nicotiana clevelandii S. B. Parish 1920-3-26 20011 Riverside near Palm Springs (e base of Mt. San Jacinto); Colorado Desert, Mt. San Jacinto Comment
  SDSU11221  Nicotiana glauca James C Dice, J. DeWald 1987-10-5 734 Riverside Santa Margarita River, near aqueduct crossing. T8S, R3W, southeast 1/4 of northeast 1/4 of sction 27. 247 Comment
  SDSU13601  Nicotiana glauca W. Miller 1972-8-8 Riverside Comment
  UCR174522  Nicotiana glauca A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32492 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
  UCSB33605  Nicotiana obtusifolia Simmons, Karen 1979-3-25 Riverside Box Canyon Road, 10 miles south-west of Hwy 10 30 Comment
  UCR133675  Nicotiana quadrivalvis John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR88576  Nicotiana quadrivalvis A. C. Sanders, J. C. Lyman 1995-4-16 16562 Riverside San Bernardino Valley, Glen Avon: sand dune area on N slope of the Jurupa Hills (draining toward Fontana), Pyrite St. Canyon 335 Comment
  RSA0020228  Nicotiana quadrivalvis R. S. Woglum 1937-5-22 532 Riverside Anza, Cahuilla Valley. Comment
  CAS-BOT-BC131883  Nolina parryi Philip A. Munz 1937-5-29 15156 Riverside Deep Canyon, Santa Rosa Mts. 1066 Comment
  UCR240762  Notholaena californica subsp. californica A. C. Sanders, John F. Green 2012-3-21 39980 Riverside Peninsular Range; Gavilan Hills, Good Hope area, under powerlines south of dirt extension of Ethanac Rd. and north of Richard St., between Hwy 74 & San Jacinto River, 3.7 mi. SW (216 deg. ) of central Perris 475 Comment
  POM204401  Oenothera biennis F. M. Reed 1934-10-15 s.n. Riverside Chicago Ave. Comment
  RSA162850  Oenothera californica J. D. Olmsted 1959-4-21 447 Riverside Along roadside at intersection of Archibald Ave U.S 60. 2 mile W of Jurupa Hills to Santa Ana River 259 Comment
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Jun 3 2013
  POM12929  Oenothera californica subsp. californica P. A. Munz 1922-6-27 5845 Riverside Santa Rosa Mountains, Santa Rosa. 1982 Comment
  RSA615333  Oenothera deltoides subsp. deltoides George K. Helmkamp, E. A. Helmkamp 1998-2-18 2689 Riverside Colorado Desert: Midland Road, 3.8 miles SE of Midland, Little Maria Mountains Comment
  RSA0056392  Oenothera leptocarpa James R. Shevock 1972-3-5 1420 Riverside Highway 71, near Pauba Valley. 304 Comment
  CDA38176  Oenothera pallidula M. Wasbauer 1960-3-26 s.n. Riverside Shaver s Summit. 0 Comment
  CSUSB752  Oenothera speciosa Eric Trubschenck 1972-5-8 7 Riverside Undeveloped lot on northeast corner of Park and 7th Streets. 271 Comment
  SBBG87722  Oligomeris linifolia S. Boyd with R. Noyes, L. Arnseth, T. Ross 1988-3-10 2128 Riverside N end of Palen Mtns, 2 mi W of Palen Pass 300 Comment
  UC69147  Oligomeris linifolia H. M. Hall June, 1905 6238 Riverside vicinity Riverside (Gavilan Hills); Gavilan Hills 365 Comment
  RSA0055051  Olneya tesota James R. Shevock 1971-5-8 1026 Riverside Box Cyn. 91 Comment
  RSA792123  Oncosiphon piluliferum R. E. Riefner Jr. 2011-5-31 11 -61 Riverside French Valley, immediately northeast of Hwy 79 and the intersection with Algarve Avenue 415 Comment
  SD237345  Oncosiphon piluliferum A. C. Sanders, John F. Green 2012-3-26 39992 Riverside Peninsular Range; Santa Ana Mtns. Area: Temescal Canyon, De Palma Rd. near Indian Truck Trail, west of Lee (Corona) Lake near edge of a commercial development. 363 Comment
  RSA709919  Opuntia basilaris Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4635 Riverside Along Palen Pass Road, near Packard Well, S end of Granite Mountains. 502 Comment
  UCR116808  Opuntia basilaris A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23938 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  UC592964  Opuntia bigelovii Carl B. Wolf 1932-10-12 4301 Riverside about 4 mi e El Dorado Queen Mine (nw end of basin); Colorado Desert, Pinto Basin 914 Comment
  RSA355175  Opuntia engelmannii A. C. Sanders 1986-4-21 6467 -B Riverside Bautista Canyon, common on sandy flats and earth dike, twi miles above the dam, SE of Hemet. 610 Comment
  POM311521  Opuntia engelmannii var. engelmannii Lyman Benson 1963-6-20 16349 Riverside Wash at Cabazon. 488 Comment
  UCR1116  Opuntia littoralis Peter De Gano 1970-5-7 700507- 01 Riverside City of Riverside, on the other side of the orange grove across from 1117 Linden Street 305 Comment
  UCR177990  Opuntia littoralis John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, unincorporated area along San Diego Aqueduct Corridor, 1 km due west of Skunk Hollow, between Nicholas Rd. and Borel Rd., east of Murrieta Hot Springs 421 Comment
  CAS-BOT-BC56907  Opuntia polyacantha var. hystricina P. A. Munz 1952-8-21 8046 Riverside Field redacted by CAS, contact the data manager for more information Comment
  UC218173  Oreostemma alpigenum var. andersonii P. A. Munz 1922-9-5 6364 Riverside meadow n of Tahquitz Valley; San Jacinto Mts. 2225 Comment
  RSA587422  Orobanche bulbosa D. L. Banks, S. D. Boyd 1995-6-2 566 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail N of the Riverside County boundary, approximately 1/4 mile S of the clay grasslands in S32. 902 Comment
  JEPS11678  Orobanche californica subsp. feudgei W. L. Jepson and H. M. Hall May 17, 1901-June 1, 1901 1458 Riverside Van Deventer's Ranch. Comment
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May 1 2016
  UC887969  Orobanche cooperi C. L. Hitchcock 1940-3-29 5845 Riverside 12 mi e of Indio Comment
  RSA0059226  Orobanche cooperi subsp. latiloba Carl B. Wolf 1932-4-29 3113 Riverside Eastern Colorado Desert, 4 mi. So. of Brown's Well, on the Blythe-Rice road. 213 Comment
  UC27883  Orobanche fasciculata H. M. Hall June 1901 2154 Riverside San Jacinto Mountains. Eastern base, along the borders of the Colorado Desert. Comment
  UCR132658  Orobanche fasciculata L. F. LaPre 2001-5-13 s.n. Riverside San Jacinto Mtns., Bautista Canyon, section 1 1280 Comment
  RSA0081028  Orobanche fasciculata Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2150 Riverside Santa Rosa Mountains. Comment
  RSA0078559  Orobanche parishii Robert F. Thorne, C. W. Tilforth 1980-5-28 54165 Riverside San Bernardino Mts: Colorado Desert. At E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 mile E of Whitewater Post Office. Comment
  RSA660755  Orthocarpus purpurascens Giancarlo Massarotto 1981-4-11 36 Riverside Calico Road 11 miles east of Corona land mark. Comment
  RSA0080081  Oryzopsis hymenoides A. R. Roos 1937-4-18 s.n. Riverside Snow Creek. Comment
  HSC85288  Osmadenia tenella Steve Boyd 1986-5-1 1794 Riverside SW Perris Basin, Hill W of Skunk Hollow, Skunk Hollow vernal pool Comment
  UCR92776  Osmorhiza brachypoda D. L. Banks, Steve Boyd 1995-3-30 0113 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn, west of the Dripping Springs Alcove, east of the Woodchuck Trail. 713 Comment
  POM13102  Oxytheca emarginata P. A. Munz, Johnston 1922-5-20 5495 Riverside Kenworthy, San Jacinto Mountains. 1433 Comment
  SEINET4153050 Image available Oxytheca trilobata Susan G. Stokes 1934-7-1 312 Riverside San Jacinto Mt. 1219 Comment
  UC1979663  Paeonia californica Darin L. Banks, Steve Boyd 1995-3-15 66 Riverside NW Palomar Mtns., Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. Comment
  RSA0106765  Palafoxia arida Duncan S. Bell, Amanda Turek 2009-3-29 136 Riverside Northeast section of the Arica Mountains; northwest section of Rice Valley; approx. 2.25 air miles south of the ghost town of Rice. 230 Comment
  SBBG24528  Palafoxia arida A. I. Richardson 1966-3-23 Riverside between Desert Highland Hot Springs and Village of Thousand Palms Comment
  UCR148453  Palafoxia arida 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
  UCR249510  Palafoxia arida T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7280 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  RSA151101  Palafoxia arida var. arida P. H. Raven 1962-4-7 17119 Riverside San Gorgonio Pass east of Banning 396 Comment
  RSA339626  Palafoxia arida var. arida R. F. Thorne, C. W. Tilforth 1980-5-28 54160 Riverside San Bernardino Mountains, dry, Colorado Desert slopes, S-facing and W-facing, N-S rocky ridge at E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 miles E of Whitewater Post Office. Comment
  RSA776906  Palafoxia arida var. arida Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 962 Riverside Blythe-Rice Road, East/Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing. 243 Comment
  RSA779623  Palafoxia arida var. arida Duncan S. Bell 2010-4-1 655 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
  SD127617  Palafoxia arida var. arida David Charlton 1988-2-18 1123 Riverside South side of Little San Bernardino Mountains, Fargo Canyon Road to Cottonwood Wash. 305 Comment
  RSA0034758  Palafoxia arida var. arida Louis Cutter Wheeler 1931-11-26 368 Riverside Salton Bench Mark, Colorado Desert. -15 Comment
  RSA557879  Panicum capillare Steve Boyd, O. Mistretta 1992-4-23 7051 Riverside San Mateo Canyon Wilderness Area, along San Mateo Creek from Riverside Co. line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 243 Comment
  RSA724047  Panicum dichotomiflorum subsp. dichotomiflorum R. E. Riefner 2004-9-18 4 -435 Riverside City of Corona, E of Santa Ana Canyon along Santa Ana River, ca. 0.5 mi S of 71 Freeway. 135 Comment
  POM2130  Parietaria hespera I. M. Johnston 1917-4-4 991 Riverside Palm Canyon. 457 Comment
  SEINET7048158  Parietaria hespera var. californica Steven R. Hill 2001-5-3 33659 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
  RSA736784  Parkinsonia aculeata Scott D. White, Angelia Carey 2004-7-2 10553 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UCSB17562  Parkinsonia florida Winn, Will 1963-4-8 Riverside 31 mi. E of Desert Center on U.S. Highway 60-70 243 Comment
  SEINET3131702  Parkinsonia torreyana G. B. Grant 1906-1 910 -6723 Riverside Palm Springs Comment
  RSA343107  Paspalum dilatatum R. F. Thorne, Walter Wisura, Earl Lathrop, Sara Meury 1985-5-18 60646 Riverside Santa Rosa Plateau: Mesa de Colorado 625 Comment
  UCR43389  Paspalum distichum R. F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61173 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: Cole Canyon. 534 Comment
  UC184054  Paspalum urvillei Miss H. A. Gray June 1915 Riverside Palm Spr. R. R. Station Comment
  SEINET10799089  Pectis papposa Billy Joe Cox 1975-10-10 Cox 4209 Riverside Palo Verde, 1-3 km W, (ca. 32 km S of Blythe). Riverside-Imperial counties. 70 Comment
  RSA780276  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-12 103 Riverside Unnamed Road heading toward Arica Mountains. Off Blythe/Rice Road. Base of Aricas. 334 Comment
  UC65019  Pectis papposa var. papposa E. E. Schellenger 1904-10-19 20 Riverside Chucawalla Bench Colorado Desert, Chucawalla Bench Comment
  UC90553  Pectis papposa var. papposa T. S. Brandegee 1901-4-4 Riverside Colorado Desert Comment
  UCD134916  Pectis papposa var. papposa Geoffrey Levin 1976-10-17 1180 Riverside Colorado Desert. Box Canyon, about 11 mi. east of Mecca. Mecca Hills Mt. Range. Salton Sea Basin. 91 Comment
  SEINET3347427 Image available Pectocarya heterocarpa Jim Andre, T. La Doux 2009-2-25 10834 Riverside Sonoran (Colorado) Desert; Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center 129 Comment
  UCR113997  Pectocarya linearis Mitch Provance 2000-5-5 2014 A Riverside Riverside, Box Springs Mtns., canyon c. 0.5 mi. NE of peak 2553 and c. 0.5 mi. SW of the old landfill off Pigeon Pass Rd. 488 Comment
  CLARK-A1528-927  Pectocarya linearis subsp. ferocula Patricia A. Andrews 1975-3-13 5901 Riverside Rubidoux 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
  UC50359  Pectocarya linearis subsp. ferocula H. M. Hall Apr. 1903 3725 Riverside Vicinity of Riverside; in the Sonoran Zone 365 Comment
  UCD120129  Pectocarya linearis subsp. ferocula T. B. Salvato; A. C. Sanders 2005-5-17 888 Riverside San Jacinto Mtn foothills San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and N of Calif. Hwy 74. 549 Comment
  RSA741101  Pectocarya penicillata Scott D. White, Justin M. Wood 2008-6-5 12082 Riverside Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  UCR249815  Pectocarya penicillata T. B. Salvato, John Lovio 2013-3-19 7351 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  RSA0124119  Pectocarya peninsularis Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8741 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
  CLARK-A1045-119  Pectocarya platycarpa George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep Canyon; Palm Desert 15'Q Comment
  RSA779011  Pectocarya platycarpa Duncan S. Bell 2010-4-1 644 B Riverside Arica Mountains: collecting near the Atchinson, Topeka, and Santa Fe railroad tracks approximately 3 air miles east of Priest Well, or approximately 4.3 air miles southeast of the ghost town of Rice. 216 Comment
  SBBG87817  Pectocarya platycarpa A. C. Sanders with Pitzer, Charlton, Kniffen 1986-3-3 6123 Riverside Corn Spring, wash below the spring and wash and rocky slopes to the S; Chuckawalla Mtns 487 Comment
  SEINET5527589 Image available Pectocarya recurvata Andrew C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6122 Riverside Corn Spring, Chuckwalla Mountains, wash below the spring and wash and rocky slopes to the south 489 Comment
  UC886638  Pedicularis densiflora P. A. Munz 1922-4-29 5117 Riverside 5 mi w of Aguanga 670 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
  UCR178003  Pellaea andromedifolia S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  RSA686749  Pellaea andromedifolia var. andromedifolia Christopher Davidson, B. Gustafson 1977-4-7 5592 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. 610 Comment
  JEPS44371  Pellaea mucronata var. californica Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4251 Riverside just below Toro Peak (s of the saddle, e of the peak); Santa Rosa Mts 2499 Comment
  GMDRC2052  Pellaea mucronata var. mucronata J. Andre 2006-4-26 6773 Riverside Little San Bernardino Mountains: Joshua Tree National Park: ridgetop, W. of upper Long Canyon, approx. 0.5 mi. S. radio tower and of NE corner (boundary) of park Near 34.06663 deg. N 116.44661 deg. W. Elev. 4347 ft. 1325 Comment
  JOTR30784  Pellaea mucronata var. mucronata La Doux, Tasha, Erin Babich 2007-4-18 1515 Riverside Joshua Tree National Park. About .5 mile southeast of Lost Horse Ranger Station, at the west edge of Lost Horse Valley 1278 Comment
  RSA771651  Pellaea mucronata var. mucronata Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4917 Riverside San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  SD233251  Pennisetum setaceum Duncan S. Bell, John Anderson & Keir Morse 2012-11-11 4380 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Mecca Hills: upper branch of Hidden Spring Canyon, approx. 0.6 air mile SE of Hidden Spring and 0.6 air mile S of The Grotto. 249 Comment
  UCR226913  Pennisetum setaceum Jim Andre 2011-2-2 16214 Riverside Coachella Valley, west of Palm Springs along Hwy 111 (south side) at base of San Jacinto Mtns at Windy Point 5.5 mi from junction with Hwy I-10 259 Comment
  UCR89670  Pennisetum setaceum George K. Helmkamp 1994-3-10 42- 17 Riverside Sonoran (Colorado) Desert, Indio Hills, canyon opening into Coachella Valley, 2 miles east of Thousand Palms on Ramon Road, and 1.3 miles north 122 Comment
  RSA0079935  Penstemon John F. Emmel 1985-10-23 978 Riverside Coxcomb Mts.; gently sloping area 0.1-0.2 air mile WNW of peak 4416. 1280 Comment
  RSA618387  Penstemon centranthifolius D. L. Banks 1997-5-5 1977 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  RSA97164  Penstemon grinnellii R. M. Straw 1953-6-25 486 Riverside S.W. slope of Santa Rosa Mtns., Mt. Home Spring. 2134 Comment
  SBBG66551  Penstemon labrosus E. Rockwell 1920-7-4 Riverside Idyllwild Comment
  SD28120  Penstemon labrosus Carl B. Wolf 1932-8-4 3929 Riverside San Jacinto Mts. Strawberry Valley, 1 1/2 mi. from Idyllwild on road to Banning 1707 Comment
  UC729823  Penstemon labrosus Carl B. Wolf 1932-8-4 3929 Riverside on road to Banning 1 1/2 mi from Idyllwild (Strawberry Valley); San Jacinto Mts., Strawberry Valley 1706 Comment
  RSA0014858  Penstemon rostriflorus Gary D. Wallace, D. H. Wilken 1966-7-3 633 Riverside East side of San Jacinto Mtns, up Thomas Mts. Rd. Comment
  UCR122523  Penstemon spectabilis George K. Helmkamp, E. A. Helmkamp 2001-5-20 6683 Riverside San Jacinto Mountains, Morris Ranch Rd., 2.1 mi NE of CA-74 1570 Comment
  RSA33815  Penstemon spectabilis subsp. subviscosus N. C. Cooper 1944-5-6 1219 Riverside Banning. 610 Comment
  NY661185  Penstemon spectabilis var. spectabilis H. K. Sharsmith 1954-7-7 4445 Riverside On highway between Banning and Idlewild, near Fuller Creek, San Bernardino National Forest. 1828.8 Comment
  LA203845  Pentachaeta aurea W. B. Welch; 1925-5-5 sn Riverside San Jacinto Mountains, Idyllwild Comment
  RSA773473  Pentachaeta aurea Duncan S. Bell, Colleen Wheeler 2010-7-19 1630 A Riverside San Bernardino National Forest: Garner Valley, in the vicinity of the Tool Box Spring trailhead, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1377 Comment
  UC455814  Pentachaeta aurea I. J. Condit 1910-6-23 Riverside Strawberry Valley San Jacinto Mts. 1524 Comment
  UCR261394  Pentagramma triangularis Joseph Cahill 2011-1-8 111- 19 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, San Juan Loop Trail, c. 0.5 mi. from eastern trailhead off Hwy 74 590 Comment
  UCSB62280  Pentagramma triangularis subsp. maxonii Keifer, L. 1963-3-23 Riverside San Jacinto Mtns., Tahquitz Cyn., ca. ; 1 1/2 miles above falls 457 Comment
  CAS-BOT-BC77499  Peritoma arborea var. angustata H. M. Hall 1899-5-1 1186 Riverside Aguanga, Smith Mt. Comment
  CAS-BOT-BC77523  Peritoma arborea var. arborea Elizabeth H. Daniels 1932-3-8 s.n. Riverside Mission Canyon, just south of Morongo Valley, Little San Bernardino Mountains Comment
  CAS-BOT-BC355916  Perityle W. C. Gagne 1968-3-16 s.n. Riverside Wash in Deep Canyon, Boyd Desert Res. Center in Palm Desert Comment
  RSA678350  Perityle emoryi Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10465 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UCSB22910  Perityle emoryi Day, Fran 1964-3-23 Riverside 3 miles east of U.S. 99 on Ramon Road 91 Comment
  UCSB6664  Perityle emoryi Haller, John 1960-4-2 Riverside South side of U.S. highway 60-70, 5.8 miles east of Desert Center 243 Comment
  RSA23237  Petalonyx linearis Ernest Braunton 1940-03 2042 Riverside Fan Canyon. 20 miles NE of Indio. 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
  RSA1253  Petalonyx thurberi B. D. Stark 1930-8-17 1584 Riverside Chuckawalla Valley, Colorado Desert, Riverside County Comment
  UCR17237  Petalonyx thurberi N. R. Zabriskie, W. W. Zabriskie 1971-10-23 452 Riverside Western Colorado Desert/ San Jacinto Mtns, near Andreas Canyon Club Gate, South Palm Canyon Drive, Palm Canyon drainage, E slope of San Jacinto Mtns Comment
  JOTR35988  Petalonyx thurberi subsp. thurberi Harding, Mitzi, Mark Wheeler 2012-9-4 199 Riverside Joshua Tree National Park. Pinto Basin; active wash between rocky/ gravelly hills west of Pinto Mtn (stop 3) 479 Comment
  LA49849  Petalonyx thurberi subsp. thurberi Martha Hilend; 1929-3-24 sn Riverside Thousand Palms Comment
  CAS-BOT-BC326763  Peucephyllum schottii Mrs. John C. Augsbury 1930-2-1 s.n. Riverside Indio Comment
  RSA427707A  Phacelia ambigua F. R. Fosberg 1932-3-13 8101 Riverside Thousand Palms Canyon. Coachella Valley. Comment
  RSA507479  Phacelia brachyloba Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mountains, along Hwy 243, 1-2 mi. below Mt. Edna turnoff. Comment
  RSA0121028  Phacelia campanularia subsp. campanularia Duncan S. Bell, LeRoy Gross 2016-3-29 9110 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5 air miles southeast of the summit of Martinez Mountain. 686 Comment
  RSA771630  Phacelia campanularia subsp. campanularia Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4992 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 732 Comment
  UC73671  Phacelia cicutaria var. hispida M. F. Gilman 1904-1 7 &8 Riverside Banning Comment
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Mar 13 2011
  UCR165415  Phacelia cicutaria var. hispida A. C. Sanders 2005-4-21 29565 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  RSA574731  Phacelia ciliata Steve Boyd 1981-4-15 s.n. Riverside Gavilan Hills region, flats at the north base of the range, south of Lake Mathews, south of Cajalco Road. 457 Comment
  RSA776961  Phacelia crenulata var. ambigua Thomas Stoughton, Chrsiti Gabriel, Stephanie Rockwood 2011-3-30 911 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  SEINET3091710 Image available Phacelia crenulata var. ambigua G. Helmkamp, E. Helmkamp 1998-1-17 2541 Riverside Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal. 0 Comment
  UCR148844  Phacelia crenulata var. ambigua John F. Green 2005-1-13 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 21 and 22 (near 22), south of Salt Creek 23 Comment
  CLARK-A1045-319  Phacelia distans George K. Helmkamp 1977-3-20 Riverside Morongo Indian Reservation edge of Hathaway Creek, west of the Malki Museum; Cabazon 7.5'Q Comment
  RSA426215  Phacelia distans H. de Forest 1933-4-17 17606 Riverside Chino Canyon, Colorado Desert. Comment
  RSA699150  Phacelia distans J. R. Bruff 1928-4-2 117 Riverside Canyon wash west of Morango Comment
  UCR176885  Phacelia distans Tracy Tennant 1998-6-5 1028 Riverside Peninsular Range, east side of Roundtop Mtn. and along Sage Road 732 Comment
  JOTR16715  Phacelia fremontii Wanrow, E. 1968-5-6 s.n. Riverside Joshua Tree National Park. EUREKA PEAK 1676 Comment
  UC881112  Phacelia fremontii K. Watkins and E. McClintock 1937-4-10 Riverside Palms-to-Pines Hwy near road to Shumay Comment
  UCR178613  Phacelia imbricata Mitch Provance, Tracy Tennant 1998-6-16 MOR- 394 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, just north of tree stand M-09 1280 Comment
  OBI6306  Phacelia minor Robert F. Hoover 1969-4-13 11226 Riverside 7 mi NW of San Jacinto Comment
  RSA428297B  Phacelia minor M. B. Dunkle 1933-4-5 3375 Riverside Jack Rabbit Trail 915 Comment
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Mar 21 2011
  SD71851  Phacelia minor Helen V. Witham 1969-7-2 197 Riverside 7 miles south of Murrieta on road to De Luz 299 Comment
  UCD120568  Phacelia minor Steve Boyd 1986-3-1 1361 Riverside Gavilan Plateau, Gavilan Hills: 1/4 mile south of Harford Springs County Park. 640 Comment
  UCR113171  Phacelia minor A. C. Sanders 1998-3-11 21667 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near east end of hills 518 Comment
  UCR114839  Phacelia minor Mitch Provance 1998-2-17 75 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 396 Comment
  RSA0106602  Phacelia minor Robert F. Thorne 1995-3-29 63029 Riverside White Water Canyon. 600 Comment
  CLARK-A1045-872  Phacelia pachyphylla George K. Helmkamp 1978-6-1 #3 Riverside Santa Ana Mountains Wildomar 7.5'Q Comment
  UCR160975  Phacelia ramosissima Narca A. Moore-Craig 1984-4-5 s.n. Riverside San Jacinto Wildlife Area, c. 2 mi. north of Lakeview, c. 0.5 mi. east of Davis Rd. at headquarters 506 Comment
  UCR207553  Phacelia ramosissima O. F. Clarke 2005-5-12 s.n. Riverside Peninsular Range; Moreno Valley, Kucera residence, 11681 Dalehurst, Moreno Valley 625 Comment
  SEINET954733  Phalaris canariensis Mitch Provance 2005-1 6569 Riverside Warm Springs Valley; Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, ca. 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. 396 Comment
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Aug 21 2014
  UC76970  Phalaris canariensis F. M. Reed 1904-5-24 589 Riverside Riverside Comment
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Oct 14 2013
  UCR191538  Phalaris minor A. C. Sanders 2008-4-15 34885 Riverside Peninsular Range, NE edge of city of Elsinore, off Nichols Rd. along Baker St., near Durant Siding 391 Comment
  UCR280978  Phalaris minor Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-10 417- 83 Riverside Elsinore Trough, Baker St., 0.05-0.15 miles SE of Pierce St. [NW edge of city of Lake Elsinore, near Terra Cotta] 384 Comment
  RSA599129  Phalaris minor V. W. Steinmann, D. L. Banks 1996-4-20 840 Riverside ca. 10 km east of Temecula, along Route 79 at the junction with Los Caballos Road., ca. 33?29'N, 117?02' 30''W 375 Comment
  RSA467439  Phleum alpinum M. B. Dunkle 1933-7-22 3746 Riverside Tahquitz Valley. San Jacinto Mountains. 2317 Comment
  UC56540  Phlox austromontana H. M. Hall 1898-6-27 949 Riverside El Toro Peak San Jacinto Mts. Comment
  RSA678116  Pholisma arenarium Valerie L. Soza, Steve D. Boyd, Neil Gilbert 2000-12-6 1062 -b Riverside Bautista Canyon, alongside Bautista Canyon Road, across from Bautista Conservation Camp. 854 Comment
  UCR281528  Pholistoma auritum Mitch Provance, Matt K. Beyers, John Hazlett 2017-3-30 317- 91 Riverside Temescal Valley, S of the 15 Fwy., 0.3 miles W of Hostettler Rd. 384 Comment
  UCD120944  Pholistoma membranaceum Geoffrey Levin 1976-3-27 685 Riverside Riverside County; Chino Canyon, west of Palms Springs, Mt. Range: Alluvial fan of San Jacinto Mts., Drainage area: Salton Sea Basin 396 Comment
  UCR133954  Pholistoma membranaceum Mitch Provance, J. S. Ross 1998-3-27 MOR- 961 Riverside San Bernardino Mtns., Morongo Indian Reservation, road 5501 towards Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 671 Comment
  POM230610  Phoradendron californicum I. W. Clokey 1935-4-17 6575 Riverside Cottonwood Springs. Comment
  RSA772004  Phoradendron californicum Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4968 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
  UCR245915  Phoradendron californicum Naomi Fraga, David Fracker, Thomas Stoughton 2012-3-15 3953 Riverside Sonoran (Colorado) Desert, off of Box Canyon Rd., south of Shaver Well in a wash 229 Comment
  RSA612203  Phoradendron densum N. Dunn, A. M. Martin 1932-3-26 s.n. Riverside Cottonwood Springs. Comment
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Sep 11 2011
  POM98991  Phoradendron densum E. C. Jaeger 1926-3-24 s.n. Riverside Eagle Mts., eastern Riverside Co. 854 Comment
  RSA228805  Phoradendron macrophyllum Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 604 Riverside Santa Rosa Plateau, ca. 5 miles south west of Murrieta near Forest Route 7S01. 488 Comment
  RSA552719  Phoradendron macrophyllum Steve D. Boyd, Tim S. Ross, Orlando Mistretta 1992-2-26 6689 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  UCR91721  Phoradendron macrophyllum A. C. Sanders, J. Goetzen 1996-5-1 18141 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  RSA615382  Phyla nodiflora A. C. Sanders, L. Ard 1994-7-11 15059 Riverside Cherry Valley, irrigated landscaping at the Edward-Dean Museum, Oak Glen Rd. 1 mi. N. of Orchard St. 1000 Comment
  JOTR31098  Physalis crassifolia La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2356 Riverside Joshua Tree National Park. Little San Bernardino Mountains, north end of Lost Horse Hills; Side canyon off main wash between Ryan Mtn and Lost Horse Hills, with steep rocky slopes (Stop 4) Comment
  RSA733960  Physalis crassifolia W. Marquart 1938-3-12 s.n. Riverside 20 miles west of Blyth. Comment
  RSA0065367  Physalis crassifolia David B. Dunn 1947-7-12 2980 Riverside Indio Hills in Pushawalla Canyon. Comment
  RSA0035037  Physalis hederifolia Lee Haines 1952-4-6 s.n. Riverside Box Canyon. [county not specified] Comment
  UCR22007  Picris echioides Steve Boyd 1980-9-8 342 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  RSA336065  Pilularia americana R. F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 51981 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  UC218684  Pilularia americana P. A. Munz and I. M. Johnston 1922-5-19 5567 Riverside Menifee Valley 426 Comment
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Sep 26 2011
  IRVC2819  Pinus contorta subsp. murrayana R. H. Whittaker, W. A. Niering 1963-6-13 SJ 464 Riverside Near summit of Jean Peak just S of San Jacinto Peak. San Jacinto Mtns. 3201 Comment
  LA6071  Pinus coulteri Carl Epling; 1931-10-3 sn Riverside San Jacinto Mountains, Tahquitz Peak 1981 Comment
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Mar 29 2014
  RSA682885  Pinus flexilis Michael Denslow, Firoozeh Navid-Ara, Valerie Soza 2003-7-15 1448 Riverside Northeast side of Tahquitz Peak, on trail to Saddle Junction 2637 Comment
  UC1612270  Pinus flexilis O. P. Medsger 1901-7-30 Riverside San Jacinto Mt. 3200 Comment
  UCSB11940  Pinus lambertiana Creighton, B. 1961-5-6 Riverside San Jacinto Mountains, 18.8 miles south of Banning-Idyllwild road; in the San Bernardino National Forest 1584 Comment
  RSA660230  Pinus monophylla Michelle Cleveland 1981-2-14 10 Riverside Turn left at sign for Bighorn overlook, 13 miles from junction of Hwys [1]11&74. 1200 Comment
  LA6157  Pinus quadrifolia Torn A. Barnerd; 1928-12-2 sn Riverside Santa Rosa Mountains, Vandeventer Flat Comment
  UC1931138  Pinus quadrifolia Scott D. White, Justin Wood 2008-6-17 12190 Riverside San Jacinto Mountains: Morris Ranch Road - open area west of Goff Flat. (Palm View Peak) Comment
  UCSB143  Pinus quadrifolia White, Arthur 1960-5-15 Riverside 75 yds. n. of road to Anza, 0.4 mi. w. of its junction with Hwy. 74 Comment
  UCSB146  Pinus quadrifolia Rensselaer, Maunsell 1937-9-21 Riverside W. of Vandeventer Flat, San Jacinto Mts. Comment
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Dec 18 2011
  UCSB152  Pinus quadrifolia Haller, Norman 1953-5-24 Riverside Hwy. 74, Vandeventer Flats, 5 miles W. of Pinyon Flats, San Jacinto Mts. 1524 Comment
  CAS-BOT-BC136578  Piperia leptopetala Samuel B. Parish 1880-7-1 669 Riverside Field redacted by CAS, contact the data manager for more information Comment
  UCR94260  Plagiobothrys Scott D. White 1996-4-14 3893 Riverside Perris Basin, Near Perris Airport, c. 100 m north of Case Rd. and 100 m west of the San Jacinto River channel 433 Comment
  UCD120759  Plagiobothrys acanthocarpus A. C. Sanders; Guy Bruyea 2004-4-2 27448 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. Comment
  UCR172732  Plagiobothrys acanthocarpus John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County; along Benton Road, between San Diego Aqueduct right of way(Leon Road) and Hwy 79 415 Comment
  HSC3760  Plagiobothrys canescens R. A. Eagle 1964-3-28 11 Riverside 5 mi. out of Riverside on the Van Buren St. Comment
  HSC86913  Plagiobothrys canescens L. F. LaPre, J. Easton 1988-1-21 Riverside Gavilan Plateau, Steele Peak. Comment
  UCR154834  Plagiobothrys canescens A. C. Sanders, Kelly Volansky 2005-3-17 29236 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  OBI53611  Plagiobothrys collinus Steve Myers 1988-1 s.n. Riverside Temescal Cyn, ca 1/4 mi W of intersection of hwy I-15 and Indian Truck trl 381 Comment
  UCR234243  Plagiobothrys collinus A. C. Sanders, T. B. Salvato 2012-4-27 40089 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. east of I-15 crossing and mouth of Mayhew Cyn. 313 Comment
  UCR114842  Plagiobothrys collinus var. californicus Mitch Provance 1998-2-17 71 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 396 Comment
  UC1506500  Plagiobothrys fulvus A. C. Sanders and T. Glenn 1983-4-17 3736 Riverside 5 mi (airline) s Murrieta; Santa Ana Mountains, Mesa de Colorado 609 Comment
  RSA659779  Plagiobothrys leptocladus J. C. Roos 1966-3-24 s.n. Riverside Edgemont. Comment
  RSA785183  Plagiobothrys leptocladus D. E. Bramlet 1992-4-29 2260 Riverside San Jacinto Valley, 8 km SW of Hemet, NW of the intersection of California Ave. and Stowe Rd., c. 250 ft. north of Stowe Rd. and c. 350 ft. west of California Ave. 456 Comment
  CLARK-A1528-340  Plagiobothrys nothofulvus unknown 1966-3-24 Riverside Pedley Comment
  SD137833  Plagiobothrys tenellus Darin L. Banks, Steve Boyd 1995-5-9 407 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north face of Agua Tibia Mountain, The Dorland Mountain area. 733 Comment
  SBBG54322  Plagiobothrys undulatus C. Davidson 1977-5-25 5641 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
  VVC2184  Plagiobothrys undulatus Tim Thomas, Bill Baker 1983-6-30 579 C Riverside Santa Rosa Plateau, Burro Mesa 630 Comment
  RSA198937  Plantago bigelovii subsp. californica Robert F. Thorne, Ora M. Clark, E. W. Lathrop, S. Carlquist 1968-4-18 37445 Riverside Santa Rose Plateau: Mesa de Colorado, Rancho California. 671 Comment
  RSA750552  Plantago erecta Scott D. White, Justin M. Wood 2009-5-21 12876 Riverside San Jacinto Mountains: Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  UCR171968  Plantago erecta John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula, Long Canyon, Southern California Edison right of way between residential areas, south of Rancho California Road and east of Margarita Road 366 Comment
  SEINET12271824  Plantago erecta J. F. Bright, Wyman, C. 1933-1 8193 Riverside near Indio Comment
  RSA412579  Plantago major N. C. Cooper 1943-10-9 946 Riverside Hemet. 305 Comment
  JEPS22514  Plantago ovata Rimo Bacigalupi with Paul Hutchison 1958-2-19 6195 Riverside 9.4 mi n Blythe (at w base of Big Maria Mts.); Big Maria Mts. 167 Comment
  UCD80960  Plantago ovata Chuck Hughes 2009-3-23 55 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 219 Comment
  UCR167423  Plantago ovata 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
  RSA773671  Plantago patagonica Duncan S. Bell, Valentin Arvizu 2010-5-24 1094 Riverside San Bernardino National Forest: Garner Valley, approximately 2.7 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1387 Comment
  UCR35065  Plantago patagonica L. B. Ziegler 1972-5-30 465 Riverside San Jacinto Mtns., Hemet (Garner) Valley. 1418 Comment
  UCR23311  Platanus racemosa John C. Roos 1952-4-23 5575 Riverside W side of Box Springs Mtns. above Canyon Crest Heights 488 Comment
  RSA445707  Platystemon californicus Ora M. Clark 1929-2-2 1611 Riverside Waste fields, near Elsinore Comment
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Nov 9 2011
  UC167981  Platystemon californicus Katharine Brandegee and Charlotte M. Wilder May 12 1905-May 17 1905 2 Riverside Wilders near Riverside; near Riverside Comment
  UC167984  Platystemon californicus Katharine Brandegee and Charlotte M. Wilder May 12 1905-May 17 1905 Riverside Wilders near Riverside; near Riverside Comment
  RSA557892  Plectritis ciliosa subsp. insignis Steve D. Boyd, Orlando Mistretta 1992-4-22 6996 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  CLARK-A1045-141  Pleurocoronis pluriseta George K. Helmkamp 1977-3-20 Riverside Deep Canyon rocky wall; Palm Desert 15'Q Comment
  RSA695628  Pleurocoronis pluriseta J. R. Bruff 1933-1-1 s.n. Riverside Travertine Point, south of Indio. Comment
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Oct 30 2011
  UC51606  Pluchea sericea Jos. Burtt Davy 1902-3-25 7931 Riverside Indio Comment
  UCD134946  Pluchea sericea A. C. Sanders 1997-3-19 20033 Riverside Lake Skinner area: S foot of Bachelor Mountain, across the northern arm of the lake from the boat ramp, from dirt track down to lakeshore. 457 Comment
  UCR16900  Pluchea sericea S. Nelson 1974-4-13 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Indio vicinity 61 Comment
  UCD90300  Poa secunda A. A. Beetle 1944-4-27 3006 Riverside West of Murietta. Comment
  HSC83031  Poa secunda subsp. secunda N. M. Fellows 1985-3-3 96 Riverside Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of San Jacinto Mtns., l mi. W of Snow Creek Village. 489 Comment
  LA12514  Poa secunda subsp. secunda F. M. Reed; 1908-7-10 2554 Riverside San Jacinto Mountains, Round Valley 2743 Comment
  UCD91661  Poa secunda subsp. secunda Peter Kamb 1948-7-3 1151 Riverside Hall Canyon, San Jacinto Mtns. 1645 Comment
  UCR62864  Polygala cornuta var. fishiae Scott D. White 1990-6-16 s.n. Riverside Santa Ana Mtns, Cleveland National Forest, private land just inside the Forest boundary; E wall of Hagador Canyon, near the mouth of the canyon 400 Comment
  UCR91950  Polygonum argyrocoleon George K. Helmkamp 1996-3-11 1002 Riverside Sonoran (Colorado) Desert, Colorado River Valley, 35th Avenue and California Hwy 78, 1.7 mi north of PaloVerde 72 Comment
  UC6661  Polygonum bistortoides H. M. Hall 1901-7-5 2358 Riverside Tauquitz Valley San Jacinto Mts. (meadows and bogs) 2438 Comment
  RSA316418  Polygonum lapathifolium Robert F. Thorne, Kay L. Wright, Richard K. Benjamin 1982-10-8 55394 Riverside San Bernardino Mountains: Whitewater Canyon, about 3.3 miles N of Whitewater Post Office 595 Comment
  POM48373  Polypodium hesperium P. A. Munz, I. M. Johnston 1924-7-27 8778 Riverside North side of rocks, Dark Canyon, San Jacinto Mountains 2194 Comment
  CLARK-A1528-87  Polypogon monspeliensis Fred B. Essig 1967-6-22 Riverside Santa Ana River Comment
  SBBG53740  Polypogon monspeliensis S. Boyd 1980-4-13 Riverside Harford Springs County Park, NW corner of the Gavilan plateau Comment
  UCD91375  Polypogon monspeliensis Fred M. Reed 1906-5-19 960 Riverside Riverside and vicinity. Rubidoux Ave. near Brockton. 228 Comment
  JOTR30282  Polypogon viridis La Doux, Tasha, Alice Miller 2007-5-31 1778 Riverside Joshua Tree National Park. Stop 2: Cottonwood Springs/Oasis; in wet soil at oasis. 893 Comment
  RSA595273  Polypogon viridis D. L. Banks, Victor Steinmann 1996-4-20 901 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. 512 Comment
  SEINET10719134  Polystichum Greg Gust, Leith Nye 2005-3-12 Gust 560 Riverside Cleveland National Forest. Hwy 74 west of lower San Juan Picnic Area at pullout W side of Santa Ana Mountain Range. 495 Comment
  CAS-BOT-BC102595  Populus fremontii Herman Knoche 1919-6-2 Series A, No. 644 Riverside Palm Springs Comment
  CAS-BOT-BC102600  Populus fremontii C. B. Wolf 1931-3-13 1882 Riverside Colorado River bottom at Blythe Bridge 152 Comment
  UCR58853  Populus fremontii Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3219 Riverside Peninsular Range, Vail Lake area at N end of Kolb Creek, near campground 457 Comment
  UC729747  Populus fremontii subsp. fremontii Carl B. Wolf 1932-4-28 3084 Riverside along the Colorado River near Blythe Bridge (Colorado Desert); , along the Colorado River 91 Comment
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Mar 26 2011
  SBBG125897  Populus trichocarpa A. C. Sanders with R. E. Riefner Jr. 2009-8-11 37158 Riverside Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River, near old boy scout camp 238 Comment
  RSA709851  Porophyllum gracile Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4630 Riverside Along Palen Pass Road, near Packard Well, S end of Granite Mountains. 502 Comment
  SDSU13366  Porophyllum gracile Tarja Sagar, Michael G. Simpson & Taxonomy of CA Plants Class 2000-4-1 11 Riverside Santa Margarita Ecological Reserve (SDSU). 0.3 miles SW from the Northside Field Station. 262 Comment
  UCR97713  Porophyllum gracile Scott D. White 1997-2-28 4714 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  UC1023391  Portulaca halimoides John and Lucille Roos 1952-10-18 5900 Riverside Little San Bernardino Mountains, Hidden Valley Campground Hidden Valley Campground; Little San Bernardino Mountains, Hidden Valley Campground 1219 Comment
  RSA0103579  Portulaca oleracea Duncan S. Bell 2015-9-30 8655 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  UCR110406  Portulaca oleracea A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23175 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. east of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  CAS-BOT-BC267209  Potamogeton foliosus Thorne; E. Lathrop 1969-6-6 39343 Riverside Santa Rosa Plateau: Rancho California 609 Comment
  UCR217560  Potentilla rimicola Jeff B. Galvin, Lee A. Ripma 2008-7-24 74 Riverside Peninsular Ranges, San Jacinto Mountains, south of Deer Springs drainage, between 7 Pines and Marion Mountain trails 2427 Comment
  POM299275  Prenanthella exigua Louise Kellogg 1941-5-23 2221 Riverside 3.5 miles NE of cottonwood Spring, Eagle Mtns. 1067 Comment
  CAS-BOT-BC202362  Prosopis glandulosa var. torreyana A. C. Sanders; Steve Boyd; Mitch Provance 1999-9-14 23075 Riverside San Bernardino Valley: Colton Dunes, dune remnant on Slover Ave. between Pepper Ave and the tank farm, ca. 1 mile due W of Slover Mtn. 320 Comment
  UCR123756  Prosopis glandulosa var. torreyana Steven R. Hill 2001-4-29 33543 Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  UC1280978  Prosopis pubescens H. E. McMinn 1937-3-6 5008 Riverside 1 mi e Blythe Comment
  UC65756  Prosopis pubescens E. E. Schellenger 1904-10-18 56 Riverside Dos Palmas; Colorado Desert Comment
  RSA229798  Prunus fremontii Philip A. Munz 1937-5-30 15133 Riverside Dos Palmos Spring, north end of Santa Rosa Mountains. 1098 Comment
  SDSU9171  Prunus fremontii Marjorie Collier 1951-3-25 Riverside Palm Canyon, about 5 miles S of Palm Springs. Comment
  SDSU9174  Prunus ilicifolia subsp. ilicifolia W. T. Williams 1962-5-12 Riverside San Jacinto Mts. Highway between Hemet and Idyllwild. 3000 ft. marker East side of roadside 10 ft. 914 Comment
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Nov 10 2008
  CAS-BOT-BC356345  Psathyrotes ramosissima Roxana S. Ferris 1918-6-15 996 Riverside 25 miles east of Mecca on Mecca-Blythe Road Comment
  HSC47470  Psathyrotes ramosissima Richard Spjut 1978-5-10 5039 Riverside Colorado Desert: Chuckawalla Valley, ca. 1 mi. S of Desert Center 305 Comment
  RSA134365  Psathyrotes ramosissima L. S. Rose 1959-1-12 59010 Riverside Cathedral City 122 Comment
  UCR279561  Psathyrotes ramosissima A. C. Sanders, Jim Malusa 2017-3-29 43169 Riverside Sonoran (Colorado) Desert, Orocopia Mountains, Canyon Spring wash c. 400 m above confluence with Salt Creek 344 Comment
  UC354458  Pseudognaphalium biolettii Edmund C. Jaeger 1925-5-2 Riverside Box Springs Mountains Riverside, Box Springs Mountains Comment
  UCD135049  Pseudognaphalium biolettii John Roos 1947-3-21 3372 Riverside Plateau', Reche Canyon. Comment
  RSA16329  Pseudotsuga macrocarpa Percy C. Everett 1935-6-18 7205 A Riverside Santa Ana Mts., Coldwater Can. Trail, about 2 mi. below (North) Main Divide Motorway. 1220 Comment
  RSA617801  Psilocarphus brevissimus R. E. Riefner 1998-9-11 98 -502 Riverside Chino Fault, Corona Comment
  RSA760353  Psilocarphus brevissimus var. brevissimus R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55213 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road 730 Comment
  UCR267880  Psilocarphus chilensis D. E. Bramlet 2005-4-19 3821 Riverside Hills west of Hemet-Ryan Airport, west of California Ave., south of Hwy 74, north of Stowe Rd. 599 Comment
  RSA612956  Psilocarphus tenellus D. L. Banks 1997-3-29 1625 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., West of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  RSA698727  Psoralea E. Crow 1930-5-17 s.n. Riverside Shaver's Well Comment
  UC574887  Psorothamnus arborescens var. simplicifolius C. Epling, Wm. Robison 1933-6-24 Riverside San Gorgonio Wash near Banning; Little San Bernardino Mountains Comment
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Jun 26 2012
  UC1329930  Psorothamnus polydenius James E. Cole 1941-5-22 769 Riverside Ruby Lee Mill Site 914 Comment
  JOTR32316  Psorothamnus schottii Herskovits, Tasya 2011-5-25 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains; Large sandy, open wash flowing southeast to Cottonwood Canyon; Near convergence of both drainage systems and Pinto Basin road (Stop 2) Comment
  POM1898  Psorothamnus schottii Marjorie Shaw 1916-03 s.n. Riverside Palm Springs. Comment
  RSA404256  Psorothamnus schottii N. C. Cooper 1944-5-20 2647 Riverside Palms to Pines Hwy., San Jacinto Mtns. 305 Comment
  UCR124002  Psorothamnus schottii George K. Helmkamp, E. A. Helmkamp 2001-4-14 6463 Riverside Coachella Valley, Indio Hills, 1.4 mi north of Ramon Rd on Avita Rd (Avita is 2.8 mi east of I-10) 46 Comment
  POM96856  Psorothamnus schottii Philip A. Munz 1926-1-1 10816 Riverside Thousand Palms. Comment
  SEINET7453014  Psorothamnus schottii H. M. Hall 5990 Riverside Colorado Desert, near Indio 30 Comment
  UC1129843  Psorothamnus spinosus H. S. Yates 1936-4-7 5432 Riverside Thousand Palms Thermal Quad., Thousand Palms Comment
  RSA523518  Pteridium aquilinum var. pubescens Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3977 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA27013  Pterostegia drymarioides C. L. Hitchcock 1940-4-1 5909 Riverside 1 mi. below Cottonwood Springs. Joshua Tree Nat. Monument. Comment
  UCR21940  Pterostegia drymarioides Steve Boyd 1980-4-8 104 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR230214  Pterostegia drymarioides A. C. Sanders 2011-4-6 38985 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  UCR35074  Pterostegia drymarioides L. B. Ziegler 1973-3-6 497 Riverside San Jacinto Mtns, Desert side of Hwy 74, Carriso [Carrizo] Creek 765 Comment
  RSA718301  Pterostegia drymarioides Michael Honer, L. Hulse 2004-4-2 1882 Riverside East Wide Canyon; near MWD aqueduct, appx 2 mi. N of Dillon Rd. 488 Comment
  JOTR35515  Pulicaria paludosa La Doux, Tasha, M. Harding, K. Callahan, D. Shade, M. Wheeler, T. Herskovits 2013-6-5 3202 Riverside Joshua Tree National Park. Little San Bernardino Mtns, lower Smithwater Canyon 1219 Comment
  UCR274938  Pulicaria paludosa S. J. Myers, Vesta A. Myers 2006-9-30 1031 Riverside Perris Valley Storm Drain near Placentia Ave., SW of Lake Perris 435 Comment
  VVC2902  Purshia tridentata var. glandulosa Tim Thomas, P. J. MacKay 2010-4-12 5033 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  UC5825  Quercus X acutidens Samuel B. Parish 1891-11-3 2255 Riverside near Murietta Comment
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Jul 15 2009
  JOTR32646  Quercus X munzii La Doux, Tasha, Mike Bell 2006-11-22 1615 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Queen Valley area; Live Oak picnic area 1267 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
  SEINET5466655 Image available Quercus agrifolia Richard Carter 1984-12-18 3855 Riverside Dripping Springs Campground. Comment
  RSA640178  Quercus agrifolia var. agrifolia Louis C. Wheeler 1964-11-28 8649 Riverside Temescal Valley: Wright Ranch. Comment
  POM49869  Quercus berberidifolia P. A. Munz, I. M. Johnston 1924-7-29 8863 Riverside Above Poppet Flat, San Jacinto Mts. 1220 Comment
  SD244164  Quercus berberidifolia A. C. Sanders, Timothy W. Chumley 2013-4-5 40776 Riverside Peninsular Range: Temescal Canyon, east of Glen Ivy near where Temescal Canyon Road passes under I-15 (Lake Mathews 7.5'Q) 317 Comment
  SDSU13623  Quercus berberidifolia W. Miller with C. Mosse 1972-7-19 Riverside Comment
  UCR26358  Quercus chrysolepis A. C. Sanders, J. A. Harpel 1981-8-26 2330 Riverside Santa Rosa Mtns., Virgin Spring 2348 Comment
  RSA192168  Quercus engelmannii E. W. Lathrop 1965-4-4 5645 Riverside 8 miles west of Murrieta-Tenaja Range. Comment
  RSA736295  Quercus engelmannii Scott D. White, Justin M. Wood 2008-5-27 12034 Riverside Perris Basin: I-215 freeway, between Clinton Keith and Alamos. 396 Comment
  SBBG1334  Quercus kelloggii M. Van Rensselaer 1937-6-23 Riverside Idyllwild Inn Comment
  SD229182  Quercus wislizeni var. frutescens Dick Schwenkmeyer 2012-4-18 702 Riverside Mt. San Jacinto: Vista Grande, 1.1 mile northwest of U.S. Forestry station on Highway 243, north of Idyllwild. High granite ridge overlooking Gorgonio Pass to the north and Hemet to the west. 1540 Comment
  UCSB34692  Quercus wislizeni var. frutescens Nixon, Kevin; Hendon, Emily 1980-5-23 Riverside 15.5 mi northwest of Idyllwild on Calif. Hwy 243; San Jacinto Mtns Comment
  UCSB1285  Quercus wislizeni var. wislizeni White, Arthur 1960-5-14 Riverside Road between Banning and Idyllwild, 7 mi. S of the intersection with Hwy. 70 & 99, 75 yds. SE of road Comment
  SD140180  Rafinesquia californica Scott White 1993-4-22 1256 Riverside North Alberhill Ranch, in hills north of Walker Canyon. 487 Comment
  CLARK-A1656-688  Rafinesquia neomexicana Lois Ann Scott 1979-3-2 Riverside Rancho Mirage 91 Comment
  POM159819  Rafinesquia neomexicana E. C. Jaeger 1926-3-24 9578 Riverside Pinto Valley, Colorado Desert Comment
  RSA554204  Rafinesquia neomexicana Theo Glenn 1991-4-9 91 -8 Riverside Big wash in Eagle Mountains 786 Comment
  POM159930  Ranunculus californicus E. C. Jaeger 1926-3-27 s.n. Riverside Coahuila, near the Indian Reservation Comment
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Nov 6 2011
  CAS-BOT-BC378490  Ranunculus californicus var. californicus Robert F. Thorne; E. Lathrop; O. Clark; S. Carlquist 1968-4-18 37427 Riverside Santa Rosa Plateau; abundant in grasslands on Mesa Colorado near large vernal marsh, Rancho California 670 Comment
  UC729895  Ranunculus eschscholtzii var. oxynotus Carl B. Wolf 1932-8-5 3975 Riverside San Jacinto Peak San Jacinto Mts. (summit) 3293 Comment
  SEINET11261099  Raphanus sativus N. Duane Atwood 1993-3-26 17687 Riverside 6 miles NE of San Juan Capistrana along Hwy 74.; 0 Comment
  RSA0054954  Rhamnus californica Keith E. Hoffmaster 1934-4-8 149 Riverside Santa Ana mts. [Orange or Riverside]. Comment
  UCR251706  Rhamnus crocea T. B. Salvato 2014-4-9 7834 Riverside Perris-Aguanga Basin, Menifee, c. 4 mi southeast of Canyon Lake, northeast corner of Bundy Canyon Road and Sunset Avenue 534 Comment
  OBI52766  Rhamnus ilicifolia B. Pitzer & A. C. Sanders, A. C. Sanders 1987-4-21 494 Riverside Box Springs Mts, near Southernmost radio towers 792 Comment
  SD121810  Rhamnus ilicifolia Ward B. Holt 1941-10-23 18 1941 Riverside Open area, large sandy wash, near Split Rock, Joshua Tree National Monument Comment
  SD122915  Rhamnus ilicifolia Steve Boyd 1985-8-7 1111 Riverside Santa Rosa Plateau region, NW base of Rdonda Mesa on Tenaja Rd., 0.8 mi. east of jtn with 8S01 and 8S02. Comment
  SBBG59936  Rhododendron occidentale Mrs. J. D. Wright 1929-6-25 Riverside San Jacinto Mtns [probably near Idyllwild] Comment
  CAS-BOT-BC200033  Rhododendron occidentale var. californicum Louis C. Wheeler 1931-10-4 205 Riverside Strawberry Valley, San Jacinto Mts. 1584 Comment
  UC1292620  Rhus ovata C. L. Hitchcock, C. V. Muhlick 1964-3-17 23098 Riverside 3 mi se Glen Ivy Hot Springs Comment
  UC217847  Rhus ovata P. A. Munz, D. Keck 1922-4-14 5004 Riverside e Whitewater Ranch; Colorado Desert 213 Comment
  UCR100299  Rhus ovata B. G. Pitzer 1997-4-20 3187 Riverside Lakeview Mtns, Intersection of 'Dutton' Street with Voltaire Vista Road. (Note: Dutton ends in T-intersection at Sardis Lane, which makes a 90 deg. E turn onto Brent Lane, which becomes Voltaire Vista Road east of Elton Lane. Therefore, this locality is actually the intersection of Elton Lane & Voltaire Vista Road.) 610 Comment
  RSA714380  Rhus trilobata T. B. Salvato 2004-5-27 593 Riverside Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1402 Comment
  UCR275934  Rhus trilobata T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3780 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
  SD136939  Rhus trilobata var. anisophylla Steve Boyd, Tim Ross, Dave Bramlet 1993-5-12 7325 Riverside Santa Ana Mountains, San Mateo Cyn Wilderness Area. San Mateo Canyon, from confluence with Los Alamos Cyn to confluence with Tenaja Cyn 365 Comment
  CAS-BOT-BC433101  Ribes Elizabeth McClintock 1965-6-25 s.n. Riverside Top of Santa Rosa Mountain Comment
  JEPS49432  Ribes cereum W. L. Jepson 1901-5-25 1450 Riverside trail to Santa Rosa Peak Comment
  RSA748813  Ribes indecorum G. Gust, L. Nye 2005-3-12 553 Riverside Cleveland National Forest. Hwy 74 W of lower San Juan Picnic Area at pullout W side of Santa Ana Mtn. Range. 495 Comment
  UCR1226  Ribes indecorum Martha McCarthy 1960-3-27 s.n. Riverside Peninsular Range; Santa Ana Mtns; Santa Rosa Plateau, 0.25 mi from north side of Tenaja Road, 10.5 mi from [west of] jct with Washington Ave., Murrieta 457 Comment
  UCR187482  Ribes malvaceum Diane Menuz 2006-6-6 142 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, Miller Canyon, 1 hour hike from road 549 Comment
  LA205474  Ribes malvaceum var. viridifolium W. E. Pequegnat; 1939-4-8 30 Riverside Santa Rosa Mountains Comment
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Mar 12 2014
  RSA673630  Ribes malvaceum var. viridifolium Scott D. White, Tasha LaDoux 2000-4-20 7686 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  RSA0022092  Ribes montigenum P. A. Munz 1922-7-7 6046 Riverside Summit of San Jacinto Peak. 3287 Comment
  UC455588  Ribes montigenum I. J. Condit 1910-6-23 Riverside summit San Jacinto Mt. 3291 Comment
  POM476212  Ribes nevadense N. C. Cooper 1944-6-17 1400 Riverside San Jacinto Mountains: above Banning. 1372 Comment
  UCR113557  Ricinus communis Mitch Provance 2000-9-1 2231 B Riverside Jurupa Mtns., Pyrite Canyon, c. 0.5 miles SW of peak 1538 305 Comment
  RSA34604  Romneya coulteri N. C. Cooper 1944-6-4 1327 Riverside Elsinore Mountain; Lookout at top. 1067 Comment
  UC50168  Romneya coulteri H. M. Hall 1897-5-27 568 Riverside Corona Comment
  UCR17072  Rorippa curvisiliqua James K. Ryan 1969-6-1 111 Riverside City of Riverside, University of California Riverside [UCR] campus, in front of Bachelor Hall 335 Comment
  RSA449715  Rosa californica N. C. Cooper 1943-10-9 944 Riverside Hemet. 305 Comment
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Apr 29 2011
  UC488975  Rubus parviflorus C. V. Meyer June 1927 172 Riverside San Jacinto Mts. Comment
  SDSU12267  Rubus ursinus Jeremy Mass, Ryan Jacobsen 2000-4-19 14 Riverside Along road near edge of Stone Creek close to Southside Field Station, Santa Margarita Ecological Reserve (SDSU). 222 Comment
  UCR216443  Rubus ursinus Nolan M. Ung 2008-5-20 032 Riverside San Bernardino Valley Region, western Riverside near Pedley, Santa Ana River on the west side of Van Buren Blvd. bridge, north bank of the river 208 Comment
  UCR140305  Rumex A. C. Sanders 2004-4-9 27474 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, vicinity of Rose Rd. 457 Comment
  UCR266498  Rumex californicus Mitch Provance, Matt Amalong 2015-4-6 415- 14 Riverside Temecula/Murrieta Region, About 1 mile SW of Winchester, along Leon Rd. in the vicinity of Norma Way and Busby Rd. 452 Comment
  CAS-BOT-BC433322  Rumex crispus A. J. Mc. 1892-5-1 s.n. Riverside Elsinore Comment
  UCR262248  Rumex crispus T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3735 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
  UCR110927  Rumex salicifolius var. salicifolius A. C. Sanders, K. C. Rose 1999-6-18 22828 Riverside Domenigoni Valley, upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, south of Winchester 433 Comment
  RSA653321  Sagittaria latifolia A. C. Sanders, Mitch Provance, T. B. Salvato 2000-10-5 23720 Riverside Santa Ana River Valley: Hidden Valley Wildlife Area, about 1/2 mile west of the park office (nature center), near Riverside between La Sierra & Norco. 191 Comment
  UCR47289  Salicornia subterminalis Karin Cleary 1987-5-21 56 Riverside Lakeview: flats around Ellis Avenue, 1 - 1.4 km north of the intersection of Ellis Ave. and Menifee Road. 433 Comment
  JEPS38425  Salix exigua W. L. Jepson 1928-4-25 12569 Riverside Cottonwood Spring; Colorado Desert, Cottonwood Mts. 731 Comment
  POM2070  Salix exigua D. L. Crawford, I. M. Johnston 1917-6-9 1244 Riverside Santa Ana River near Corona. Comment
  RSA698839  Salix exigua J. R. Bruff 1927-11-26 31 Riverside Cottonwood Springs vicinity. Comment
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Jul 7 2012
  SDSU19219  Salix exigua var. hindsiana Kristen Hasenstab, Dave Bailey 2008-8-7 188 Riverside Santa Margarita Ecological Reserve, within 150m of gaging station at the Gorge river crossing. 3-5m from the edge of the river. 215 Comment
  CAS-BOT-BC108114  Salix gooddingii Ivan Johnston 1917-4-4 1056 Riverside Palm Canyon - Colorado Desert 457 Comment
  UC437377  Salix gooddingii Ivan Johnston 1917-4-4 Riverside Palm Canyon 457 Comment
  UCR91724  Salix gooddingii A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18103 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  CLARK-A1528-4055  Salix hindsiana var. leucodendroides John C. Roos, Lucille Roos 1952-3-1 5382 Riverside Moreno Comment
  LA208734  Salix laevigata Carl Hedin; Joseph Ewan 1933-3-19 7679 Riverside Chino Creek near Prado (Rincon), below Corona [Area 7] Comment
  RSA605758  Salix laevigata Scott D. White 1996-3-16 3827 Riverside Lakeview Mountains: N of Winchester, at Maze Stone Picnic Area. Coarse alluvium and adjacent granitic hillside, SE- facing slope 579 Comment
  POM319279  Salix lasiolepis Patricia Wilder 1972-2-18 5356 Riverside North side of Norco, along the Santa Ana River at the end of Pedley St. 229 Comment
  UC1930020  Salix lasiolepis Scott D. White, Justin Wood 2008-5-15 11963 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom Comment
  CDA3218  Salsola tragus R. E. Riefner Jr. 2006-11-14 06 -675 Riverside City of Riverside, Main Street at Russell Street. Comment
  RSA0112097  Salsola tragus Duncan S. Bell 2009-8-15 428 Riverside Northeast side of the Arica Mountains, where the railroad tracks cross Midland Road. 251 Comment
  RSA0080317  Saltugilia australis Sarah J. De Groot, Cheryl Sevilla 2015-2-18 7362 Riverside North fork Mission Creek, southeast San Bernardino Mountains, northwest of Desert Hot Springs. 780 Comment
  RSA0095104  Saltugilia australis Steve Boyd, Tim Ross, Mike Hammitt 1991-5-2 6030 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  RSA0094571  Saltugilia australis Leigh A. Johnson 1997-4-25 97 -049 Riverside Magee Hills vicinity: On first year burn on hills and slopes directly W of Hwy R3, (Sage Road) ca. 5.9 mi S of jct. with Cactus Valley Rd., and 0.8 mi N of Sage Hen Fire station. 700 Comment
  RSA0094965  Saltugilia australis F. W. Peirson 1928-4-19 7841 Riverside Hills north of Elsinore. 457 Comment
  UCR234259  Salvia apiana A. C. Sanders 2012-4-12 40031 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, near El Hermano Rd. 314 Comment
  UCR42549  Salvia apiana B. G. Pitzer 1986-4-26 0186 Riverside San Bernardino Mtns., Whitewater Canyon, c. 4.5 mi. north of Hwy I-10 on Whitewater Canyon Road 734 Comment
  RSA411380  Salvia carduacea C. Epling 1932-5-28 s.n. Riverside Perris-Hemet. Comment
  SEINET2066008 Image available Salvia carduacea Howard Gentry, Marie Gentry 1982-8-3 23714 Riverside Five miles SW of Anza along Hwy 371. 1066 Comment
  RSA23267  Salvia columbariae Ernest Braunton 1940-03 2036 Riverside Fan Canyon. 20 miles NE of Indio. Comment
  RSA401482  Salvia columbariae Robert M. Perkins 1937-4-15 s.n. Riverside Whitewater Creek, along the road. Comment
  RSA401493A  Salvia columbariae Ora M. Clark 1929-3-2 1600 Riverside Near Alberhill Comment
  UCR100097  Salvia columbariae R. G. Swinney 1967-3-5 0057 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 381 Comment
  UCR241686  Salvia columbariae T. B. Salvato 2013-3-22 7406 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
  UCR60239  Salvia columbariae R. F. Thorne, M. Z. Thorne 1973-3-30 42657 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
  CLARK-A1528-5697  Salvia greatae John C. Roos 1963-9-9 Riverside Orocopia Mountains Comment
  SBBG99475  Salvia mellifera W. L. Halvorson 1977-4-1 77 -224 Riverside 5 mi S of Temecula on Hwy S16 Comment
  SEINET11191802  Salvia mellifera Daphne Christopher, Stevens, Hannah 2003-4-4 88 Riverside Motte Rimrock Reserve Comment
  UCR133375  Salvia mellifera Mitch Provance, J. S. Ross 1998-3-27 MOR- 984 Riverside San Bernardino Mtns., Morongo Indian Reservation, Deep Canyon, 2.5 miles NNE of Cabazon 732 Comment
  RSA0034496  Salvia mellifera A. L. Haines 1951-5-19 5139 Riverside Bautista Wash. San Jacinto Mts. 609 Comment
  UCLA69829  Salvia mohavensis C. Epling and Wm. Robison Jun 24 1933-Jun 27 1933 Riverside Key's View; Little San Bernardino Mountains 1524 Comment
  JEPS62792  Salvia vaseyi W. L. Jepson 1914-5-18 5998 Riverside Pinyon Well Colorado Desert, Lookout Mts. (n of Indio, Lookout Mts) 762 Comment
  RSA314158  Salvia vaseyi Walter Wisura 1983-7-9 3915 Riverside 5.4 mi from the junction with Hwy 111 along Hwy 74. Comment
  JEPS57289  Sambucus mexicana L. R. Heckard and R. C. Bacigalupi 1968-5-5 1805 Riverside 2.6 mi n Radec 548 Comment
  RSA500110  Sambucus mexicana Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3662 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  RSA500140  Sambucus mexicana Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3669 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  RSA0106414  Sambucus mexicana Alan Romspert 2000-7-28 s.n. Riverside Santa Ana Riverbed above Market St. Bridge. Comment
  UCR54655  Sanicula arguta B. G. Pitzer, E. Misquez 1988-2-28 0628 Riverside Santa Ana Mtns, Walker Basin, southwest of Murrieta, Avenida Del Oro, 2 mi south of Rancho California Road 428 Comment
  RSA359603  Sanicula bipinnatifida Steve Boyd 1986-3-9 1397 Riverside Temescal Canyon: Terrace escarpments between Indian Truck Trail and Horsethief Wash. 367 Comment
  RSA715104  Sanicula bipinnatifida A. C. Sanders, Guy Bruyea 2004-4-2 27435 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
  RSA570230  Sanicula crassicaulis Steve Boyd, Timothy S. Ross 1993-3-23 7904 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road, 610 Comment
  RSA0097961  Sarcostemma crispum Duncan S. Bell 2014-11-14 7712 Riverside Santa Rosa Mountains; in the Santa Rosa Mountains Wilderness area; west side of Martinez Mountain; along the Cactus Spring Trail, about 1 air mile northwest of Cactus Spring. 1217 Comment
  CLARK-A1528-127  Sarcostemma cynanchoides subsp. hartwegii Fred B. Essig 1967-4-2 Riverside Glen Ivy Hot Springs Comment
  UC23115  Sarcostemma cynanchoides subsp. hartwegii H. M. Hall June, 1901 2104 Riverside e. base along borders of Colorado Desert San Jacinto Mts.; Colorado Desert, San Jacinto Mts. Comment
  UCR131798  Sarcostemma cynanchoides subsp. hartwegii Mitch Provance 1998-6-24 755 Riverside Jurupa Mountains, 'Rattlesnake Mt.', c. 0.5 km east of corner of Rorimer Dr. and Brenton St., on the E side of Armstrong Rd., in the Sunnyside area of Riverside. 366 Comment
  CLARK-A1045-125  Sarcostemma hirtellum George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep Canyon; Palm Desert 15'Q Comment
  UC809711  Sarcostemma hirtellum Philip A. Munz 1949-4-12 13041 Riverside near Iron Chief Mine Mohave Desert, Eagle Mts., Iron Chief Mine 762 Comment
  UC1563035  Saxifraga californica Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-18 2988 Riverside below Vail Lake Dam (Temecula Creek Canyon); Vail Lake area, Temecula Creek Canyon 417 Comment
  UCR249661  Schismus arabicus T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7298 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  UCR56086  Schismus barbatus J. A. Adams 1966-3-12 440 Riverside Peninsular Range, Hwy 74, 5 mi east of Elsinore, toward Perris 503 Comment
  UCR50002  Scirpus cernuus Theo Glenn 1987-6-15 s.n. Riverside Western Colorado Desert, Coachella Valley, Thousand Palms Oasis, in the Indio Hills. 168 Comment
  UCR116396  Scirpus microcarpus P. A. Rauch 1966-4-30 s.n. Riverside San Jacinto Mtns., Fuller Mill Creek 1646 Comment
  RSA736791  Scrophularia californica Scott D. White, Angelia Carey 2004-7-2 10556 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UCR124658  Scrophularia californica B. C. Templeton, C. B. & I. W. Clokey 1930-4-15 1480 Riverside Gavilan Hills, north of Gavilan Peak, west of Perris 549 Comment
  RSA425201  Scrophularia californica subsp. floribunda Bonnie C. Templeton, I. W. Clokey 1930-4-15 1480 Riverside North of Gavilan Peak. 550 Comment
  UCR130866  Scrophularia californica subsp. floribunda Mitch Provance 1998-6-10 634 Riverside City of Riverside, East side of Pachappa Hill, as accessed from where Panorama road crosses the 91 freeway. 335 Comment
  UCR193952  Scutellaria bolanderi subsp. austromontana A. C. Sanders 2008-7-25 35893 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  POM47007  Scutellaria siphocampyloides Mary F. Spencer 1919-5-18 1194 Riverside Idyllwild, San Jacinto Mountains 1616 Comment
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Mar 21 2011
  SD67927  Sedum niveum Reid Moran 1968-8-3 15346 Riverside On northeast slope, 1.0 mile northwest of Toro Peak. 2250 Comment
  POM11410  Selaginella bigelovii Fred M. Reed 1919-4-4 4113 Riverside Palm Springs Canyon Comment
  RSA769518  Selaginella bigelovii Duncan S. Bell, Lucilla Reccia 2010-5-5 967 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.4 air miles southeast of junction of Highway 74 and forest service road 5S15. 791 Comment
  UC306718  Selaginella bigelovii S. B. Parish 1918-4-3 11689 Riverside Oak Lodge; San Jacinto River canyon 914 Comment
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Nov 20 2011
  CAS-BOT-BC62251  Selaginella watsonii Carl B. Wolf 1932-8-5 3976 Riverside San Jacinto Mts., summit of San Jacinto Peak 3293 Comment
  UCR7929  Senecio flaccidus var. douglasii James J. Sims 1968-9-8 s.n. Riverside San Bernardino Valley Region, Box Springs Mtns, 8081 Reche Canyon Road 549 Comment
  UCR89652  Senecio flaccidus var. douglasii Bern Schwenn 1994-4-24 s.n. Riverside Joshua Tree National Park, Hexie Mountains, Pinkham Well Canyon, below the well site Comment
  OBI6025  Senecio flaccidus var. monoensis Carl B. Wolf 1931-10-14 2461 Riverside San Gorgonio Pass. Roadside at Cabezon 518 Comment
  UCR279582  Senecio mohavensis A. C. Sanders, Jim Malusa 2017-3-28 43153 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
  UCR75060  Senecio mohavensis A. C. Sanders, E. J. Lawlor 1992-4-4 12125 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  CAS-BOT-BC364258  Senecio triangularis H. M. Hall 1901-7-1 2535 Riverside San Jacinto Mountains. Branch of Snow Creek 2499 Comment
  UCSB8569  Senegalia greggii Haller, John 1950-5-21 Riverside Coachella Valley, 2 miles up Palms to Pines Highway, near base of mountains Comment
  UC68647  Senna armata H. M. Hall Apr, 1905 5981 Riverside Canyon Springs Colorado Desert, Canyon Springs Comment
  UCR213854  Sequoia sempervirens Scott D. White, Justin M. Wood 2009-5-22 12922 Riverside San Jacinto Mountains, Halfway Spring, accessed via Old Control Road 1159 Comment
  RSA0031607  Sequoiadendron giganteum Rudolf Schmid, Mena Schmid 2009-5-1 2009 -2 Riverside nw. San Jacinto Mtns., ne. of HW 243 ca. 16 highway km nw. of Idyllwild, in the s. unit of the San Bernardino National Forest, on sw. flank of Black Mtn. Right (as ascending) of Black Mountain Trail on slope covered with Pteridium aquilinum and near, drainage (Indian Creek) with Alnus rhombifolia, uppermost Hall Canyon. 2066 Comment
  SEINET7295535