Search Results — 2000 specimen records retrieved (1895 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
  CAS-BOT-BC229309  Abronia villosa A. C. Sanders; D. Malueg 2003-5-8 26564 Riverside San Jacinto Valley: San Jacinto Riverbottom, north of San Jacinto and SE of State St. 465 Comment
  CAS-BOT-BC229312  Abronia villosa Mrs. J. C. Angsbury 1926-1-1 s.n. Riverside Palm Springs Comment
  CAS-BOT-BC229327  Abronia villosa Javier Penalosa 1963-4-10 2774 Riverside Deep Canyon, 3mi. south of Palm Desert 213 Comment
  CAS-BOT-BC229366  Abronia villosa Ira L. Wiggins 1941-3-24 9568 Riverside 0.3 mile south of Myoma, 4.6 miles north of Indio Comment
  POM305641  Abronia villosa Henry J. Ramsey, Henry J. Ramsey 1937-3-2 858 Riverside Desert center, Mojave Desert Comment
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Dec 16 2011
  RSA0014457  Abronia villosa var. aurita Justin M. Wood, J. Miner 2010-4-29 1530 Riverside Coachella Valley: Bermuda Dunes. Near intersection of Avenue 38 and Varner Rd. 37 Comment
  SD148114  Abronia villosa var. aurita A. C. Sanders, T. B. Salvato 2001-5-16 24286 Riverside Perris-Aguanga Basin region: South of Hemet, 1/4 mile south of Gibbel Rd. ca. 1.0 mile east of State Street. 518 Comment
  SEINET5585526  Abronia villosa var. aurita Duncan S. Bell 2012-1 3154 Riverside Southern section of the Mecca Hills; approximately 2.5 air miles southeast of where the Coachella Canal and Hidden Springs Canyon cross each other. 37 Comment
  UC1922010  Abronia villosa var. aurita Scott D. White, Angelia Carey 2004-4-5 9978 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Comment
  RSA776934  Abronia villosa var. aurita Amber Swanson, Duncan S. Bell 2011-3-11 217 Riverside Willis Palms loop at boundary of Coachella Valley Preserve, near end of Willis Rd on sides of wash 124 Comment
  UCR241606  Abronia villosa var. villosa A. C. Sanders, Ann Howald 2013-2-28 40555 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 2.2 miles west of Hwy 78, 9.2 km SW (245 deg. ) of Ripley 96 Comment
  UC29227  Acamptopappus sphaerocephalus var. sphaerocephalus H. M. Hall 1901-6-1 2108 Riverside eastern base San Jacinto Mountains; Colorado Desert Comment
  RSA263721  Achnatherum coronatum E. W. Lathrop 1966-5-26 6341 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  CAS-BOT-BC260327  Achnatherum hymenoides Ivan Johnston 1917-4-4 1098 Riverside Colorado Desert. Whitewater, about station Comment
  POM1118  Achnatherum hymenoides I. M. Johnston 1917-4-4 s.n. Riverside Whitewater Comment
  RSA757742  Achnatherum speciosum LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 s.n. 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
  JOTR00871  Achnatherum speciosum Sipe, Frank 1958-3-9 234 Riverside Joshua Tree National Park. HIDDEN VALLEY 1249 Comment
  POM47682  Achyronychia cooperi Mary F. Spencer 1920-3-23 1436 Riverside In desert sand near Palm Springs. Colorado Desert. 152 Comment
  RSA676142  Achyronychia cooperi Scott D. White 2001-4-12 8302 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
  RSA747796  Achyronychia cooperi Justin M. Wood 2009-3-26 394 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
  UCD103974  Acmispon argophyllus Gordon Pilone 1961-3-1 92 Riverside White Water Canyon, 1/2 mile below Fish Hatchery. 457 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
  SD224962  Acmispon grandiflorus var. grandiflorus Scott D. White 1996-8-16 4486 Riverside Idyllwild Area: SW of Pine Cove and W of Bear Trap Cyn, in watershed above Alvin Meadows (tributary to Toll Rd. Cyn.) 1700 Comment
  SJSU10327  Acmispon strigosus B. A. Summers 1958-4-8 Riverside Alejo Rd 0.5 mi S of Palm Springs Comment
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Apr 17 2011
  UCR260514  Acourtia microcephala T. B. Salvato, Matt Malle, Tom Sullivan 2014-5-28 7996 Riverside Perris-Aguanga Basin, Menifee, west side of Byers Rd between Wickerd Rd and Adjer St. 0.75 mi northwest of the intersection of Bundy Canyon Road and Murrieta Rd, and 4.1 mi southeast of Canyon Lake Comment
  JOTR36184  Adenophyllum porophylloides La Doux, Tasha, B. Truesdell, M. Wheeler 2013-10-31 3333 Riverside Joshua Tree National Park. Queen Mountain: near Split Rock, approx 0.5 km SE of Elton Mine 1330 Comment
  SEINET3208888  Adenostoma fasciculatum G. Goodwin 2012-6-14 3443 Riverside San Jacinto Mountains, 6 miles south of Banning at the junction of highway 243 and the road to Mt. Edna 1070 Comment
  UC859044  Adenostoma sparsifolium E. C. Jaeger 1922-8-20 1005 Riverside n. slope San Jacinto Mt. 1371 Comment
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May 29 2011
  UCR18785  Adiantum capillus-veneris John C. Roos 1948-5-15 3850 Riverside Sonoran (Colorado) Desert, Eagle Mountains, upper Lost Palms Canyon 1037 Comment
  UCD137234  Adiantum jordanii Scott D. White; Dave Bramlet 22-23 Apr 1999 7230 Riverside Lake Skinner Area, ridgetop, north-, west-, and northwest facing slopes of Bachelor Mountain. 548 Comment
  CAS-BOT-BC127425  Agrostis exarata Carl B. Wolf 1932-8-6 3997 Riverside San Jacinto Mountains. 2.9 miles from Idyllwild on road to Hemet. 1219 Comment
  UCR2113  Agrostis exarata F. M. Reed 1928-7-15 6079 Riverside San Jacinto Mtns., near Strawberry Creek 1616 Comment
  RSA192238  Agrostis pallens E. W. Lathrop 1960-6-7 4876 Riverside 14 miles west of Murrieta Comment
  UC36992  Agrostis viridis H. M. Hall June, 1901 2275 Riverside along watercourses San Jacinto Mountains, vicinity of Strawberry Valley 1615 Comment
  POM13810  Alisma Philip A. Munz, I. M. Johnston 1922-5-5 5157 -A Riverside Mystic Lake, near Moreno. 427 Comment
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Mar 20 2011
  RSA69991  Allionia incarnata F. W. Peirson 1919-4-13 1849 Riverside Tahquitz Canyon stream, near Palm Springs. Comment
  UCR208853  Allionia incarnata Scott D. White 2001-4-17 8331 Riverside Sonoran (Colorado) Desert, Shavers Valley, north of the I-10 Freeway, c. 16 miles east of Indio junction of I-10 and Calif. 111, near powerline access roads at unnamed freeway exit accessing pump station 518 Comment
  SD134564  Allium fimbriatum var. munzii Craig Reiser 1989-4-19 Riverside Southwestern flank of 'Alberhill' in western county. (IPB 2/08) Comment
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Nov 16 2010
  RSA524460  Allium haematochiton Steve Boyd, Timothy S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4063 Riverside Vail Lake area, E flank of Big Oak Mtn, S of E summit. 610 Comment
  UC1608290  Allium lacunosum var. kernense Steve Boyd, Tim Ross 1992-5-15 7386 Riverside along old Main Divide Road track about 1/4 mi se radio towers (se flank of Elsinore Peak at Onion Hill); Southern Santa Ana Mountains, Elsinore Peak, Onion Hill 1021 Comment
  UCR77592  Allium munzii Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6133 Riverside Peninsular Range; Santa Ana Mountains, south side of Elsinore Peak 1067 Comment
  JOTR35461  Allium parishii Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 64 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats (stop4) Comment
  RSA582822  Allium parryi Mark A. Elvin, Orlando Mistretta 1995-6-1 44 Riverside San Jacinto Mountains: Garner Valley, off Fobes Ranch Road. 1375 Comment
  UCR101432  Allium peninsulare A. C. Sanders 1997-4-10 20334 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  UCR156480  Allium peninsulare Jason L. Hlebakos 2005-5-3 622 Riverside Santa Ana Mtns, Open slope east and downslope from Elsinore Peak 1049 Comment
  UCR77688  Allium peninsulare Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6090 Riverside Vail Lake, SW and W flanks of Billy Goat Mtn. 3 mi north of Hwy 79, 1 mi west of Hwy 371, north of Aguanga 880 Comment
  RSA367126  Allium peninsulare var. peninsulare I. W. Clokey, E. G. Anderson 1935-4-16 6550 Riverside East of Hemet. 640 Comment
  RSA765054  Allium peninsulare var. peninsulare Doris Bowers 1972-4-15 1846 Riverside Pulgas Creek Wash mouth, Rancho California 396 Comment
  RSA0048295  Allium peninsulare var. peninsulare A. L. Haines 1951-5-19 5142 Riverside Bautista Wash, San Jacinto Mts. 609 Comment
  UCR49258  Allium praecox Steve Boyd 1986-4-2 1625 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR20520  Allophyllum divaricatum E. W. Lathrop 1966-5-25 6339 Riverside 9 mi. NW of Murrieta, at Los Alamos Ranch Comment
  RSA271885  Allophyllum glutinosum C. W. Tilforth, W. Wisura 1978-7-25 1650 Riverside Along Murrieta- De Luz Rd., west of Murrieta. Comment
  SD107766  Allophyllum glutinosum C. W. Tilforth, B. Busenberg 1980-6-10 1978 Riverside 0.1 mile in from Highway 74 on north leg ot Thomas Mountain Road, 1.0 mile south of Lake Hemet. 1387 Comment
  UCSB46786  Alstroemeria O. F. Clarke 1969-6-25 Riverside collected at 1012 Spruce Street Spruce Street Comment
  JOTR32108  Amaranthus albus Harding, Mitzi, Kipp Callahan 2012-8-27 283 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  UCR166723  Amaranthus albus Scott D. White, Jennifer H. Jones 2005-4-12 10863 Riverside Coachella Valley, Indio area, vacant land NE of the I-10 Freeway interchange at Jefferson 18 Comment
  UCR92271  Amaranthus albus Scott D. White 1995-8-23 3564 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
  RSA781408  Amaranthus fimbriatus Duncan S. Bell 2011-10-22 2988 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
  UCR115992  Amaranthus retroflexus A. C. Sanders, G. K. Helmkamp, Pam MacKay 1995-3-12 16077 B 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
  UCR16084  Amaranthus retroflexus S. R. Szarek 1969-4-11 s.n. Riverside near intersection of Mission Blvd & Flemming St., Glen Avon Comment
  SD67913  Amauriopsis dissecta Reid Moran 1968-8-3 15362 Riverside Ridge, 1 mile northwest of Toro Peak. 2250 Comment
  SD187332  Ambrosia acanthicarpa Scott D. White, Angelia Carey 2004-9-16 10752 Riverside San Jacinto Mountain foothills: Along Poppet Creek northeast of San Jacinto River. 561 Comment
  UCR113600  Ambrosia acanthicarpa A. C. Sanders, Mitch Provance, B. Pitzer 2000-9-27 23675 Riverside Santa Ana River Valley, SW side of Mt. Rubidoux, NW of intersection of Tequesquite Ave. and Gregory Rd., near confluence of Arroyo Tequesquite and the river 232 Comment
  UCR276350  Ambrosia confertiflora Arlee Montalvo 2016-10-3 671 Riverside Dos Lagos-Temescal Wash Conservation Easement through Dos Lagos Golf Course, just north of main bridge below golf club (east of intersection of Temescal Canyon Dr. and Cabot Dr.), east of I-15 Fwy & 3/4 mile due south of Cajalco Rd., south of Corona 260 Comment
  CAS-BOT-BC22608  Ambrosia dumosa S. Smith-White; A. Johnson 1963-4-12 63 -335 Riverside Joshua Tree National Monument: about 7 mi S of Entrance to Cottonwood Springs Campground Comment
  POM41494  Ambrosia dumosa Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA603806  Ambrosia dumosa L. C. Wheeler 1931-11-26 383 Riverside 2 mi. SE Salton Bench Mark, Colorado Desert. -61 Comment
  UC1118439  Ambrosia dumosa H. S. Yates 1936-4-7 5416 Riverside Palm Springs; San Jacinto Quad. 137 Comment
  UC218034  Ambrosia dumosa P. A. Munz, D. Keck 1922-4-13 4934 Riverside slope of Aushurtz Canyon; Colorado Desert, Eagle Mts. 274 Comment
  UCR104874  Ambrosia dumosa George K. Helmkamp 1998-4-4 3148 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  UCR263505  Ambrosia dumosa David Fraker, Aaron C. Sedgwick 2012-3-22 020 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, south of Joshua Tree National Park on both sides of Hwy 177, c. 5 miles north of I-10, c. 3 miles south of the Desert Lily Sanctuary 183 Comment
  UCSB41267  Ambrosia dumosa Cowan, Clark 1978-4-23 Riverside 2.7 mi. (4.3 km.) S on Hwy. 74 from its jct. with Hwy. 111 at Indian Wellls 210 Comment
  CAS-BOT-BC30799  Ambrosia ilicifolia Edmund C. Jaeger 1921-4-10 s.n. Riverside Chucawalla Mts. near Astec Well. Comment
  UCR106915  Ambrosia psilostachya D. L. Banks, L. Raz 1996-11-5 1184 Riverside Agua Tibia Mountains, Pechanga Indian Reservation, south of San Gabriel Church; along a newly established firebreak along a NW-SE running ridgeline, near the water tank in section 34 421 Comment
  UCR171731  Ambrosia pumila John F. Green 2006-4-28 s.n. Riverside Peninsular Ranges, Temecula, Fields immediately N of Nicolas Road/Santa Gertrudis Creek, centered on San Diego Aqueduct corridor 351 Comment
  LA203739  Ambrosia salsola Carl Epling; March 1927 sn Riverside Palm Springs Comment
  UC64800  Ambrosia salsola E. E. Schellenger 1904-2-15 72 Riverside e of town Walters; Colorado Desert Comment
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Apr 24 2011
  SBBG119933  Ambrosia salsola var. salsola C. McGaugh 2004-2-25 Riverside northern Palm Springs, near the Whitewater Channel; T3S R4E S35 SE/4 of SE/4 171 Comment
  UC809697  Ambrosia salsola var. salsola E. K. Balls 1949-4-2 12904 Riverside open slopes towards Salton Sea near Durmid (on Hwy 111); Colorado Desert -67 Comment
  UC527313  Amelanchier utahensis C. B. Wolf 1931-5-11 Riverside near Pipe Creek (above Hemet Valley); San Jacinto Mts. 1676 Comment
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Mar 24 2011
  UCR128294  Amelanchier utahensis Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8635 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
  UCR274328  Ammannia coccinea Mitch Provance 2012-7-11 612- 61 Riverside Badlands of Western Riverside County, Beaumont, along 1st St., near intersection with Grace Ave. 780 Comment
  HSC101785  Amorpha fruticosa J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13194 Riverside 1470 Comment
  UC454658  Amorpha fruticosa I. J. Condit 1910-6-24 Riverside San Jacinto River Valley Comment
  UCR35040  Amorpha fruticosa var. occidentalis L. B. Ziegler 1968-7-3 325 Riverside San Jacinto Mtns, Hemet Valley. Dry stream beds near Kenworthy 1418 Comment
  CSUSB988  Amsinckia intermedia Robert M. Hasegawa 1976-4-5 S. N. Riverside University of California, Riverside campus. 1/8 mile south of Perimeter Road. 274 Comment
  UCR228885  Amsinckia intermedia A. C. Sanders 2011-4-6 39006 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
  SEINET238668  Amsinckia menziesii A. C. Sanders 1998-1-15 21644 Riverside Lake Skinnder area: along old Rawson Road just north of Crown Valley above Diamond Valley at waterline of proposed res 518 Comment
  UCR175065  Amsinckia menziesii Teresa Nieto 2005-4-24 10 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  POM11976  Amsonia brevifolia var. tomentosa Philip A. Munz, D. D. Keck 1922-4-9 4844 Riverside Vicinity of Corn Springs, Chuckwalla Mtns. 671 Comment
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May 28 2011
  CLARK-A1528-775  Anagallis arvensis Leland R. Dykes 1962-5-1 54 Riverside Santa Ana Mountains Comment
  SDSU12882  Anagallis arvensis J. Jill Steinberg with Leon Steinberg 1998-4-9 44 Riverside Ca. 1/4 mile along foot trail leading southeast from road, approximately 1/4 mile northeast of Santa Margarita (SDSU) Field Station trailer, north of Santa Margarita River. 335 Comment
  RSA524599  Ancistrocarphus filagineus Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3914 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  RSA500988B  Ancistrocarphus filagineus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3107 B Riverside Vail Lake area, dried bed of man-made pond and adjacent slopes at N base of rounded knob 1.25 miles WSW of dam. 610 Comment
  RSA296116  Andropogon glomeratus B. A. Prigge 1980-8-11 3887 Riverside San Bernardino Mountains, Whitewater Canyon: 1.1 miles N of Interstate 10. 473 Comment
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Jan 14 2010
  JEPS22835  Anisocoma acaulis P. A. Munz and I. M. Johnston 1922-5-19 5418 Riverside Hemet Valley; San Jacinto Mts. 1386 Comment
  UC1237988  Anisocoma acaulis John Weiler and Roy L. Taylor May 12 1961-May 15 1961 61120 Riverside 100 yds e of bridge over, (feeding Hemet Res. along Hwy 74) Hurkey Creek; Hemet Reservoir Comment
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Mar 24 2011
  RSA425776  Antirrhinum coulterianum Ora M. Clark 1929-3-16 1686 Riverside Near Cabazon, Colorado Desert. Comment
  RSA773107  Antirrhinum coulterianum Duncan S. Bell, Joy D. England 2010-6-14 1299 Riverside San Bernardino National Forest: Garner Valley, approximately 2.3 air miles south east of junction of forest service road 6S04 and forest service road 6S13. 1393 Comment
  JEPS16181  Antirrhinum filipes Rimo Bacigalupi with R. S. Ferris and R. W. Holm 1953-4-20 4043 Riverside 3 mi n Shavers Summit (close to head of Los Palms Canyon); Joshua Tree National Monument 762 Comment
  UCR1123  Antirrhinum filipes Emmylou M. Krausman 1958-4-5 29 Riverside Sonoran (Colorado) Desert, Corn Springs, Chuckwalla Mtns. 9.9 mi up the canyon to vicinity of Aztec Wells 396 Comment
  RSA561078  Antirrhinum kelloggii Steve D. Boyd, Orlando Mistretta 1992-4-22 7007 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
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Sep 11 2007
  CLARK-A1528-5203  Antirrhinum nuttallianum John C. Roos 1941-4-19 176 Riverside Reche Canyon Comment
  UCR44233  Antirrhinum nuttallianum J. M. Stewart 1986-5-18 8620 Riverside San Jacinto Mtns, Chino Canyon, near Palm Springs Comment
  POM354920  Antirrhinum nuttallianum subsp. nuttallianum J. D. Olmsted 1962-5-10 3659 Riverside West of crest between Sandia and DeLuz Creeks along Murrieta to DeLuz Road. 206 Comment
  RSA180499  Antirrhinum nuttallianum subsp. nuttallianum E. W. Lathrop 1965-5-23 5766 -a Riverside Riverside, 8 miles W of Murrieta 610 Comment
  RSA221086  Antirrhinum nuttallianum subsp. nuttallianum E. W. Lathrop 1966-5-8 6494 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  RSA673553  Apiastrum angustifolium Scott D. White, Tasha La Doux 2000-4-20 7683 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  RSA715197  Apiastrum angustifolium A. C. Sanders 2006-5-19 32388 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn/Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR183003  Apiastrum angustifolium Mitch Provance 2003-5-5 4406 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCR48480  Apiastrum angustifolium Steve Boyd 1986-4-2 1585 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  OBI37485  Apium graveolens Steve Boyd 1985-7-23 1011 Riverside De Luz Rd, 7 mi W of Rancho Calif 366 Comment
  RSA463105  Apium graveolens Steve Myers 1987-6-24 s.n. Riverside Murrietta Creek, at confluence with Temecula Creek, near the town of Murrieta. 290 Comment
  RSA263646  Apium graveolens E. W. Lathrop 1966-5-8 6511 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  RSA192218  Apocynum sibiricum H. A. Zuill 1966-6-5 202 Riverside San Mateo Canyon about 13 miles SW of Murrieta Comment
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Feb 12 2013
  SDSU9933  Aquilegia formosa Garrison 1962-7-29 Riverside 0.25 miles from center of Idyllwild village in dense growth along bank of Strawberry Creek. 1615 Comment
  UCR3736B  Aquilegia formosa Frank C. Vasek 1964-7-25 640725- 14 Riverside San Jacinto Mountains, Dark Canyon near Wet Canyon Campground Comment
  UCR25404  Arabis pulchra John C. Roos 1942-5-2 1146 Riverside Mojave Desert, Joshua Tree National Monument [now Park], Wonderland of Rocks [county uncertain, near San Bernardino Co. line] Comment
  UCR98896  Arabis sparsiflora var. californica Scott D. White 1996-8-1 4437 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  UC1929401  Arceuthobium campylopodum Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8651 Riverside SAN JACINTO MTS: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. Comment
  RSA629167  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16807 Riverside Rd. to Thomas Mts. (5S15), 7.0 km north of Toolbox Springs. 1720 Comment
  RSA631729  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19291 Riverside Highway 79, at Radec. 580 Comment
  RSA631756  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16542 Riverside Red Mountain Road, 8.7 km east of R3. 1000 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
  RSA631808  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15071 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA631827  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16582 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA631844  Arctostaphylos glauca Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20171 Riverside Truck trail on north-face of Santa Rosa Mountain, ca. 5 km south of Pinyon Pines, Santa Rosa Mountains. 1450 Comment
  UC21882  Arctostaphylos glauca H. M. Hall 1901-6 Riverside Tauquitz Valley San Jacinto Mountains 1828 Comment
  UCR278097  Arctostaphylos glauca A. C. Sanders, Amy Litt, Yi Huang 2017-2-1 42677 Riverside Peninsular Range; San Jacinto Mountains, Along Hwy 74 below Mountain Center and above White Post Turn, c. 3.1 miles below McCall Park Rd. 1216 Comment
  RSA633557  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21790 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633624  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16698 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633647  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20113 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 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
  RSA633753  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16635 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  RSA633764  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21772 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 Comment
  SEINET5539347  Arctostaphylos pringlei R. H. Whittaker, W. A. Niering 1961-1 s.n. Riverside San Jacinto Mountians, W 25d slope. 1524 Comment
  UCR187498  Arctostaphylos pringlei Theresa Johnson 2006-7-26 249 Riverside Peninsular Range; San Jacinto Mtns., Hwy 243 at Pine Cove 1890 Comment
  POM367428  Arctostaphylos pringlei subsp. drupacea Albert J. Perkins 1916-9-14 s.n. Riverside Idlewild Comment
  UCD52976  Arctostaphylos pringlei subsp. drupacea A. E. Wieslander 1938-10-23 821 Riverside Idyllwild; Strawberry Valley. 1676 Comment
  RSA293530  Arctostaphylos pungens C. W. Tilforth, W. Wisura 1979-8-8 1903 Riverside Along hiway 74, 7.5 mi. south-east of Lake Hemet turn-off, Garner Valley Comment
  UCR132775  Arctostaphylos pungens S. J. Myers 2001-4-18 s.n. Riverside San Jacinto Mtns., Bautista Canyon, near head of canyon, 2 miles NW of Anza 1189 Comment
  RSA1387  Arctostaphylos rainbowensis J. T. Howell 1928-7-9 399 Riverside Temecula Grade, 4 miles S of Temecula. 396 Comment
  UCR209396  Arctostaphylos rainbowensis Fred M. Roberts 2007-4-13 6515 Riverside Santa Ana Mountains, south of Mesa de Colorado on the Santa Rosa Plateau, northwest corner of El Calamar Road and Via Escalon, 1.6 km west-northwest of the summit of Mesa de La Punta 536 Comment
  JEPS44373  Arenaria macradenia var. macradenia Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4274 Riverside about 1 mi below junction with spur to Santa Rosa Springs; Santa Rosa Mountain road Comment
  UC1040949  Argemone munita Gerald B. Ownbey and Findley Ownbey 1954-6-24 2170 Riverside 1 mi w of Radec 516 Comment
  RSA4959  Argemone munita subsp. argentea Carl B. Wolf 1932-4-27 3038 Riverside Colorado desert, 3/4 mile west of Utopia on Mecca-Blythe road 152 Comment
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Dec 11 2011
  SD114886  Argemone munita subsp. robusta E. W. Lathrop 1979-8-14 7640 Riverside 3.0 miles southwest of Corona; Hagador Canyon, Cleveland National Forest, Trabuco District. 274 Comment
  CAS-BOT-BC401738  Argemone munita subsp. rotundata Winfield 1975-4-27 2363 Riverside Snow Ck. Rd. ~3 mi from Hiway 111 Comment
  LA9315  Aristida adscensionis A. N. Dunn; A. M. Martin 1932-3-26 sn Riverside Box Canyon Comment
  RSA777634  Aristida adscensionis Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 771 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  UCR20454  Aristida adscensionis John C. Roos 1952-4-9 5508 Riverside Riverside, east face of Mt. Rubidoux 366 Comment
  RSA0130722  Aristida adscensionis G. Rink 2013-3-19 11887 Riverside About twelve miles west of Blythe, at the site of the proposed Quartzite solar power plant. 105 Comment
  CLARK-A1528-4479  Aristida purpurea John C. Roos 1965-9-26 Riverside Palm Springs 0 Comment
  RSA0041962  Aristida purpurea Duncan S. Bell, Loraine Washburn 2014-4-8 6584 Riverside Orocopia Mountains; at the entrance to Petra Canyon in Red Canyon, approximately 1 air mile north of the Bradshaw Trail. 398 Comment
  RSA309652  Aristida purpurea var. parishii J. C. Roos 1966-4-29 s.n. Riverside Hills between March AFB and Lakeview. Comment
  SD90106  Artemisia californica Nancy Ryan Zabriskie, Walter Zabriskie 1972-12-25 548 Riverside San Jacinto Mountain, east slope on trail to ridge above Eagle Peak, Andreas Canyon watershed Comment
  UCR85178  Artemisia californica A. C. Sanders 1995-2-19 15936 Riverside San Bernardino Mountains/Coachella Valley, Mission Canyon, along Mission Creek Rd. 1.75 mi. above Hwy 62 600 Comment
  CLARK-A1528-155  Artemisia dracunculus John C. Roos 1951-9-23 Riverside Reche Canyon Comment
  POM247454  Artemisia dracunculus Philip A. Munz 1941-10 17239 Riverside On Palms to Pines HIghway, north base of Santa Rosa Mts. Comment
  RSA0104642  Artemisia ludoviciana Duncan S. Bell 2014-11-14 7707 Riverside Santa Rosa Mountains; collecting in the Santa Rosa Mountain Wilderness area; west side of Martinez Mountain; at meeting point of Horsethief Creek and the Cactus Spring Trail. 1055 Comment
  RSA741735  Artemisia ludoviciana subsp. ludoviciana Michael Wall 2008-10-3 490 Riverside Bautista Creek, east of Hemet off Bautista Canyon Rd. ca. 7 miles east of jct. with Fairview Ave. 758 Comment
  LA202956  Artemisia tridentata subsp. tridentata F. H. Lewis; 1939-11-22 1034 Riverside San Jacinto Mountains, Hemet Lake 1371 Comment
  JEPS6278  Asclepias erosa W. L. Jepson 1914-5-16 6064 Riverside e base Mt. San Jacinto (Palm Springs); Colorado Desert Comment
  UCR21552  Asclepias fascicularis W. W. Mayhew 1980-8-1 s.n. Riverside Santa Rosa Mtns, 2 mi. south of Hwy 74 on road to Santa Rosa Peak 1646 Comment
  SDSU2729  Asclepias subulata D. F. Howe 1963-5-15 3480 Riverside 26.5 miles west of Desert Center on #195. 457 Comment
  UCR34105  Asparagus officinalis Lance F. Howard 1984-5-28 37 Riverside San Bernardino Valley Region, Riverside, Fairmount Park, 40 m from Dexter Street, west of Lake Evans, 5 m from the maintenance road 239 Comment
  SDSU13956  Aspidotis californica Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2089 Riverside Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 671 Comment
  RSA0011740  Asplenium vespertinum P. A. Munz 1922-4-28 5036 Riverside Leach Canyon, Santa Ana Mountains 762 Comment
  RSA575923  Aster subulatus var. ligulatus Steve Boyd 1994-9-29 8363 Riverside Floodplain E of dike along San Jacinto River, W of Sedco Hills community. 381 Comment
  RSA0031015  Astragalus aridus Jim Andre 2013-3-27 24804 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 242 Comment
  RSA0106762  Astragalus aridus Duncan S. Bell, Amanda Turek 2009-3-29 139 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
  UC68624  Astragalus aridus H. M. Hall Apr., 1905 5826 Riverside near Indio (Colorado Desert); , near Indio 0 Comment
  UC862495  Astragalus aridus Lewis S. Rose 1937-4-10 37155 Riverside 3 mi se Indio; se of Indio -15 Comment
  UCR134604  Astragalus aridus Marisa Sripracha, Kyle Boyd 2004-2-14 027 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  CAS-BOT-BC177725  Astragalus crotalariae Ynez Winblad 1936-2-20 s.n. Riverside 12 miles s. of Mecca Comment
  RSA779009  Astragalus didymocarpus var. dispermus Duncan S. Bell 2010-4-1 643 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
  SDSU7889  Astragalus douglasii H. Wedberg 1963-5-26 1069 Riverside Banning to Idyllwild road, at junction with road to Black Mountain Publ. Campgr. Lower Yellow Pine Forest. 1646 Comment
  LA35633  Astragalus douglasii var. douglasii Ronald A. Cross; April 1952 - May 1952 sn Riverside Hurkey Creek Camp Ground, California State Highway 74 Comment
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Sep 22 2013
  RSA0031439  Astragalus douglasii var. douglasii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4549 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA108530  Astragalus douglasii var. parishii Peter H. Raven, Sidney R. Snow 1956-7-6 9659 Riverside 0.3 miles W of Mtn Center, San Jacinto Mtns. 1372 Comment
  SEINET3132644  Astragalus douglasii var. parishii R. W. Spellenberg, D. Jackson 1972-5-19 2823 Riverside 3.8 mi SE of Lake Hemet, along California State Hwy 74 1402 Comment
  RSA1785  Astragalus filipes C. B. Wolf 1931-5-11 s.n Riverside Near Pipe Creek, Hemet Valley, San Jacinto Mtns. 1616 Comment
  UC13326  Astragalus filipes H. M. Hall 1899-5-26 1182 Riverside Hemet Valley , Hemet Valley (San Jacinto Mountains) 1371 Comment
  RSA781246  Astragalus insularis var. harwoodii A. C. Sanders 2010-3-15 37392 Riverside pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg ) of Blythe 134 Comment
  RSA415579  Astragalus lentiginosus N. C. Cooper 1949-4-8 3321 Riverside Blythe. 259 Comment
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Nov 20 2011
  SBBG118866  Astragalus lentiginosus J. Snapp-Cook with K. Roblek, K. Clark, A. Chavez 2005-6-30 CFW 010 Riverside Rancho Mirage, ca. 0.5 mi WNW of jct of Ramon Rd and Los Alamos Way; area referred to as "Big Dune" 91 Comment
  RSA662070  Astragalus nuttallianus J. C. Roos 1958-3-15 s.n. Riverside 3 miles SE of Desert Center, Chuckwalla Mtns. Comment
  CAS-BOT-BC194129  Astragalus pomonensis Peter H. Raven; S. R. Snow 1956-6-30 9543 Riverside 1.7 miles west of Dripping Springs Guard Station on road to Temecula Comment
  RSA608371  Astragalus pomonensis L. C. Wheeler 1930-4-16 s.n Riverside San Jacinto. Comment
  UCR208977  Astragalus pomonensis B. C. Templeton 1930-4-15 1483 Riverside Gavilan Hills, between Perris and Gavilan Peak 500 Comment
  POM12879  Athyrium filix-femina P. A. Munz 1922-7-6 6030 Riverside San Jacinto Mountains: north fork of Tahquitz Creek. 2226 Comment
  RSA612821  Athysanus pusillus D. L. Banks 1997-3-1 1348 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Pechanga Creek, east of the ''Fiesta Grounds'' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation. 423 Comment
  UCR116070  Athysanus pusillus O. F. Clarke, Jeanine Derby 1974-4-19 s.n. Riverside Lakeview Mountains, c. 2 mi. SSW of Mt. Rudolph, north of Juniper Flat, east of Juniper Flat Rd. and south of Stagecoach Rd., EIR for Tentative Tract 5702 610 Comment
  JEPS35956  Atrichoseris platyphylla Marjorie D. Clary 1672 Riverside Aqueduct Road, North Colorado Desert Little San Bernardino Mountains, Colorado Desert 243 Comment
  RSA676284  Atrichoseris platyphylla Scott D. White 2001-4-3 8223 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  SEINET9118525  Atrichoseris platyphylla E. Adams 1978-1 S.N. Riverside Mecca, Box Canyon. Desert wash. Comment
  CAS-BOT-BC170586  Atriplex Mark A. Elvin 2005-5-24 4317 Riverside Perris, east of I-215, south of San Jacinto River, NW corner of junction of Ellis Ave. and first road east of I-215 - Perris Basin, Southern Coastal Slope 426 Comment
  UCR139616  Atriplex argentea A. C. Sanders 2004-7-1 28378 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, c. 1.5 mile NW of the "Menifee-Antelope Community Hall", 0.6 mi. east of Murrieta Rd. near the NW foot of a large rocky hill (1762 ft.) and c. 5 miles due south of Sun City 457 Comment
  UC110326  Atriplex canescens T. S. Brandegee Nov 1891 Riverside Salton Comment
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Sep 11 2011
  UCR35147  Atriplex canescens L. B. Ziegler 1964-8-11 012 Riverside San Jacinto Mtns., Garner (Hemet) Valley growing alongside Hwy #74, 0.5 mi south of Hemet Lake 1341 Comment
  RSA5448  Atriplex canescens var. laciniata C. B. Wolf 1932-10-13 s.n. Riverside Caleb (Southern Pacific railway siding), 4.5 miles SE of Mecca, Colorado Desert 61 Comment
  UCR235046  Atriplex coronata var. notatior A. C. Sanders, John F. Green 2012-5-27 40219 Riverside Peninsular Range; Santa Ana Mtns. Region, Lake Elsinore area, Baker St. south of Nichols Rd. 386 Comment
  RSA0013398  Atriplex elegans var. elegans A. C. Sanders, John F. Green 2012-6-25 40307 Riverside Temescal Canyon near I-15 crossing of Temescal Canyon Rd. and Temescal Creek, c. 2.6 km SE of Lee (Corona) Lake 361 Comment
  CAS-BOT-BC248269  Atriplex glauca R. E. Riefner, Jr. 2002-12-12 02 -521 Riverside Peninsular Range; Temescal Canyon Mouth: city of Corona, along Magnolia Ave. off-ramp on southwest side of Hwy I-15 216 Comment
  SJSU1866  Atriplex hymenelytra R. L. Fisher 1957-4-20 Riverside near Indio Comment
  UCR148300  Atriplex hymenelytra 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
  RSA778127  Atriplex polycarpa Thomas Stoughton, E. Gardner, D. Bell 2010-11-12 714 Riverside Coachella Valley Preserve. Site #3. Ca 0.25 mile E of road. 305 Comment
  RSA778411  Atriplex polycarpa Stephanie Rockwood, Christi Gabriel 2011-10-5 57 Riverside Corn Springs Campground. Corn Springs exit from I10. Chuckwalla Mountains Wilderness. 497 Comment
  POM319681  Atriplex rosea Patricia Wilder 1970-10-15 4750 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills 152 Comment
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Sep 26 2009
  SEINET13297607 Image available Atriplex semibaccata Mitch Provance 2013-1 613 -22 Riverside Santa Ana River Valley: City of Riverside, Arlanza neighborhood, Foothill Elementary School on Wells Avenue, about 0.4 mi W of Van Buren (Riverside West 7.5' Q.) 226 Comment
  UC55965  Atriplex serenana var. serenana H. M. Hall April, 1902 Riverside vicinity Winchester; vicinity of Winchester 457 Comment
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Mar 20 2011
  RSA737257  Atriplex suberecta Scott D. White 2008-8-20 12537 Riverside City of Moreno Valley, Perris Blvd. between Krameria and Oleander Streets. 445 Comment
  UCR128172  Atriplex suberecta Scott D. White, Michael Honer 2003-4-9 8974 Riverside Hemet area, Northeast corner of Devonshire Ave. and Warren Road, immediately southwest of 'Tres Cerritos.' Former chicken farm 473 Comment
  UCR182322  Atriplex suberecta Mitch Provance 2003-4-18 6605 Riverside San Bernardino Valley, Riverside, Santa Ana River Wash, just under and NE of the Market St. Bridge 244 Comment
  UCR93049  Atriplex suberecta Steve Boyd 1986-4-19 1721 Riverside Peninsular Range, Temescal Canyon, Warm Springs Valley, Alberhill Creek east of Nichols Road 366 Comment
  UCR112959  Avena barbata B. G. Pitzer 1998-3-1 3544 Riverside Lakeview Mtns, Maze Stone county historical marker & picnic area, E side of mtns, on W side of Reinhardt Canyon 610 Comment
  UCR120699  Ayenia compacta J. Zabriskie 1973-8-10 373 Riverside Deep Canyon, Deep Canyon, growing out of a crack in granite rock, exposed, near stream between first falls and alder pool. Also common in rocky gullies at Upper Site 793 Comment
  LA203040  Baccharis emoryi Louis Wheeler; 1933-12-2 2311 Riverside Santa Ana River at Chino Creek 152 Comment
  UCR278378  Baccharis emoryi Mitch Provance 2012-9-5 912- 13 Riverside Beaumont Plateau, City of Beaumont, lower reaches of Potrero Creek, adjacent to Four Seasons Development, west side of Highland Springs Ave., 1.1 miles south of the I-10 freeway. 762 Comment
  RSA296180  Baccharis salicifolia B. A. Prigge 1980-8-5 3818 Riverside Whitewater Canyon; 0.5 mile N of trout farm. 701 Comment
  CAS-BOT-BC106626  Baccharis salicina J. Ewan 1931-10-3 5216 Riverside River bottom flat, Santa Ana River, 4 mi. N.W. of Corona Comment
  RSA0086782  Baccharis sarothroides R. G. Swinney 1967-5-26 14063 Riverside Snow Creek. 457 Comment
  CAS-BOT-BC99869  Baccharis sergiloides L. R. Abrams 1926-3-26 11059 Riverside Palm Springs to Palm Canyon Comment
  SEINET2045193 Image available Baccharis sergiloides Dave Charlton 1986-12-26 647 Riverside Coxcomb Range, at E end of Joshua Tree National Monument, northernmost W-facing large canyon in the range, just N of Specter Peak 915 Comment
  UC87133  Baccharis sergiloides S. B. and W. F. Parish 1880-1-1 2911 Riverside Whitewater Desert Comment
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Jan 14 2010
  CAS-BOT-BC295894  Bahiopsis parishii Marcus E. Jones 1930-3-15 s.n. Riverside Eagle Mountains, Northern Colo. Desert Comment
  CAS-BOT-BC295902  Bahiopsis parishii H. M. Hall 1902-4-1 2783 Riverside Western borders of the Colorado Desert. Coyote Canyon 152 Comment
  UCR260317  Bahiopsis parishii A. C. Sanders, Jim Malusa 2015-3-9 41367 Riverside Sonoran (Colorado) Desert, 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
  RSA719072  Baileya pleniradiata Michael Honer 2005-3-18 2094 Riverside Palen Valley; appx. 3 mi. due E of Desert Center Airport. 134 Comment
  UC1563072  Baileya pleniradiata Steve Boyd and Orlando Mistretta 1986-3-13 1439 Riverside ne of Desert Center; West Side Palen Mts. Comment
  UCR275573  Bassia hyssopifolia T. B. Salvato 2005-6-13 605- 8 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
  POM350770  Bebbia juncea Robert Gustafson 1981-4-7 1256 Riverside Salt Creek Wash, southern end of the Orocopia Mts. 91 Comment
  RSA776769  Bebbia juncea Amber Swanson 2011-4-8 379 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  RSA92398  Bebbia juncea F. W. Peirson 1920-12-28 5282 Riverside Murray Canyon near Palm Springs Comment
  UCSB22705  Bebbia juncea McMinn, H. 1935-6-22 Riverside 1 mi. North of Elsinore Comment
  CAS-BOT-BC100123  Bebbia juncea var. aspera M. McCollum 1976-6-10 2009 Riverside 8 mi SSW of Yucca Valley 914 Comment
  SEINET6426071 Image available Bergia texana John C. Rood 1952-1 5730 Riverside San Jacinto River bottomland 1 mile southeast of Perris 427 Comment
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Aug 29 2016
  OBI14422  Bernardia myricifolia Annie M. Alexander; Louise Kellogg, Louise Kellogg 1941-5-10 2144 Riverside 3 mi NE Cottonwood Spring, Eagle Mts 1036 Comment
  CAS-BOT-BC102100  Bidens laevis S. B. Parish 1913-2-28 8462 Riverside Salton Basin. In the stream from the rairoad wells at Mecca -57 Comment
  POM4976  Bidens laevis Geo. R. Hall 1905-1 s.n. Riverside Riverside Comment
  SEINET3884830  Bloomeria crocea Steve Boyd, Timothy S. Ross 1990-5-11 4617 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy 79.; 0 549 Comment
  RSA429517  Boechera M. B. Dunkle 1935-3-31 4436 Riverside Hills North Cottonwood Springs. Colorado Desert. 701 Comment
  UC10155  Boechera H. M. Hall 1901-6 2316 Riverside near Tauquitz; San Jacinto Mountains Comment
  CAS-BOT-BC16093  Boechera californica Michael Wall; Lorrae Fuentes 1995-4-13 102 Riverside Santa Rosa Mountains, along Highway 74, 14.8 miles southeast of Highway 243 junction in Mountain Center. Comment
  POM229453  Boechera californica P. A. Munz 1937-5-30 15085 Riverside Northwest slope of Santa Rosa Mountain. 2134 Comment
  SEINET3092324 Image available Boerhavia erecta var. intermedia A. C. Sanders 1989-9-19 9511 Riverside Chocolate Mountains Aerial Gunnery Range: 1.75 km (airline) south of Tabaseca Tank, along the wash above "Tabaseca Target". 680 Comment
  GMDRC3110  Boerhavia intermedia J. Andre, T. La Doux 2008-9-13 10277 Riverside Little San Bernardino Mountains: Joshua Tree National Park: Pinto Basin along paved Hwy at Fried Liver Wash 33 deg. 54.37' N 115 deg. 50.957' W. Elev. 1801 ft. 549 Comment
  RSA0076343  Boerhavia wrightii A. C. Sanders, T. B. Salvato 2012-10-12 40402 Riverside Chuckwalla Mountains, Graham Pass, 7.6 km (c. 4.5 mi.) above the road to Chuckwalla Spring on Graham Pass Rd. 387 Comment
  RSA339253  Boerhavia wrightii Robert F. Thorne, R. Dahlgren, Gertrud Dahlgren 1979-8-23 53603 Riverside Pinto Basin Road: Along road, 4.5 mi S of meeting area of Mojave and Colorado Deserts 1098 Comment
  SEINET4565926  Boerhavia wrightii Duncan S. Bell 2011-10-22 3004 -A Riverside Sonoran (Colorado) Desert; Arica Mountains, west side of range, c. 2.6 air miles west of Priests Well, c. 6.8 air mi. SW of Rice 437 Comment
  RSA778519  Boerhavia wrightii Amber Swanson, Linda Jean Foster 2011-10-8 638 Riverside Large wash off Blythe Rice Rd 270 Comment
  CAS-BOT-BC145588  Bouteloua aristidoides Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13239 Riverside In wash arising in Big Maria Mountains. Highway U.S. 95, 11.3 miles north of Blythe. Comment
  RSA575736  Bouteloua barbata S. J. Darbyshire, J. Cayouette 1994-9-17 4636 Riverside Chuckwalla Valley 30 mile E [of] Desert Center, Highway 10 rest area. 90 Comment
  UCD56842  Bouteloua barbata Leslie L. Ede 1972-7-18 s.n. Riverside Blythe? Comment
  JOTR30287  Bouteloua barbata var. barbata La Doux, Tasha, Bill Truesdell 2006-10-3 1782 Riverside Joshua Tree National Park. Pinto Basin: (Stop 2) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 694 Comment
  JOTR29254  Bouteloua curtipendula La Doux, Tasha, Ileene Anderson 2004-10-4 1642 Riverside Joshua Tree National Park. Stop 1: Little SB Mtns, near Keys Ranch 1277 Comment
  UC1930077  Brandegea bigelovii Scott D. White 2001-4-3 8236 Riverside COLORADO DESERT: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jt. I-10/SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. Comment
  UCR242305  Brandegea bigelovii A. C. Sanders, T. B. Salvato 2012-10-12 40431 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Wileys Well Rd. c. 3 miles north of Wileys Well/ Bradshaw Trail 155 Comment
  UCR279536  Brassica geniculata A. C. Sanders, Jim Malusa 2017-3-27 43134 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
  RSA0106891  Brassica nigra Daphne K. Christopher, Hannah Stevens 2003-4-4 95 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 530 Comment
  RSA657173  Brassica nigra Bob Rogers 1984-4-21 16 Riverside collected along trail and bank area on the west side of Strawberry Creek heading upstream. Starting point was 4.9 miles from Cranston ranger station heading East on Hwy. 74. 915 Comment
  RSA0124391  Brassica tournefortii Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8745 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
  CAS-BOT-BC106246  Brickellia californica Carl B. Wolf 1935-10-8 7636 Riverside Mojave Desert, Kingston Range, Horse Spring 1432 Comment
  UC86103  Brickellia californica J. W. Toumey 1894-9-27 Riverside Banning Comment
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Mar 13 2011
  CLARK-A1528-5508  Brickellia desertorum John C. Roos 1947-11-1 3751 Riverside Eagle Mountains Comment
  UCR18590  Brickellia desertorum John C. Roos 1951-10-19 5328 Riverside San Jacinto Valley, Gilman Hot Springs 459 Comment
  SD21523  Brickellia incana Frank F. Gander 1938-5-21 5766 Riverside Shaver's Summit Comment
  JEPS18572  Brickellia oblongifolia var. linifolia W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1424 Riverside Van Deventer's Ranch Comment
  UCR111613  Brodiaea filifolia D. E. Bramlet 2000-5-3 3010 Riverside Perris Basin, 908-915m east of Perris Valley airport, 31-183m west of Case Rd. and 31-335m north of the San Jacinto River 433 Comment
  RSA376786  Brodiaea terrestris subsp. kernensis Robert Gustafson, Gary D. Wallace 1983-6-23 2727 Riverside Mesa de Burro, Santa Rosa region, Santa Ana Mountains. 701 Comment
  LA13699  Bromus arenarius F. M. Reed; 1906-6-14 1007 Riverside San Bernardino Mountains, Smith backs in Carnshead grade (?) Comment
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Jan 18 2014
  POM12134  Bromus berteroanus Mary F. Spencer 1920-4-5 1545 Riverside Palm Springs, Colorado Desert. 122 Comment
  SD233246  Bromus carinatus Scott D. White, Justin M. Wood 2009-5-22 12896 Riverside San Jacinto Mountains: Quinn Flat Meadow. Comment
  JOTR31035  Bromus carinatus var. carinatus La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1946 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  JOTR35182  Bromus catharticus var. catharticus Harding, Mitzi, T. Herskovits 2011-9-14 163 Riverside Joshua Tree National Park. Queen Mountains; west side of Barker Dam; small riparian zone in and along drainage from dam 1300 Comment
  RSA522269  Bromus diandrus Steve Boyd, D. E. Bramlet, Harry Spilman 1989-4-30 3515 Riverside Gavilan Hills, Harford Springs County Park on the N edge of the Gavilan Plateau, E of Gavilan Creek 610 Comment
  RSA296147  Bromus diandrus B. A. Prigge 1980-8-18 3977 Riverside San Bernardino Mountains, Whitewater Canyon; 3.6miles upstream from trout farm. Mouth of side canyon on N side of canyon. 982 Comment
  UCR151222  Bromus grandis Scott D. White 1999-6-6 7446 Riverside San Jacinto Mnts, Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds of USFS Road 5S24.2 1463 Comment
  UCR160055  Bromus grandis Steve Boyd, Valerie Soza 2004-6-22 11539 Riverside Peninsular Ranges; San Jacinto Mountains region, Western flank of the range in Hall Canyon, at the south end of Lake Fulmor, just north of Hwy 243. 1646 Comment
  SD248298  Bromus madritensis subsp. rubens A. C. Sanders, John F. Green 2012-3-26 39998 Riverside Peninsular Range;, Santa Ana Mountains Area: Temescal Canyon, mouth of a small canyon between Horsetheif Canyon and I-15 Fwy crossing of Temescal Wash, west of Hostettler Road (Alberhill 7.5'Q) 369 Comment
  RSA507961  Bromus marginatus Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2279 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. 1500 Comment
  UCR2225  Bromus marginatus F. M. Reed 1908-7-11 2503 Riverside San Jacinto Mtns., on trail to [San Jacinto] peak above Round Valley 3079 Comment
  CLARK-A1528-45  Bromus rubens C. M. Flanag 1973-5-12 408 Riverside Morongo Indian Reservation 1158 Comment
  RSA776275  Bromus rubens Thomas Stoughton, Christi Gabriel, Stephanie Rockwod 2011-3-29 880 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 793 Comment
  JEPS54869  Caesalpinia virgata W. L. Jepson 1927-4-12 11634 Riverside Mecca, Painted Canyon Colorado Desert, Mecca, Painted Canyon Comment
  UCR161368  Caesalpinia virgata Mark A. Elvin 2005-4-26 4229 Riverside Northern Sonoran (Colorado) Desert, Coachella Valley/Indio Hills; [pipeline route, south of mouth of Fargo Canyon] N of I-10 198 Comment
  UCR256339  Caesalpinia virgata Duncan S. Bell 2012-2-12 3124 Riverside Mojave Desert, Mecca Hills, c. 1.25 air miles north of Box Canyon Road, and c. 4 air miles southwest of Shavers Well 256 Comment
  UCR138909  Calandrinia ciliata Julie A. Greene 1993-4-17 1199 Riverside Perris Basin, San Jacinto Wildlife Area, west of Davis Rd 433 Comment
  RSA77846  Callitriche marginata F. W. Peirson 1922-5-12 3067 Riverside South of Lake Elsinore. Comment
  UCSB246  Calocedrus decurrens White, Arthur 1960-5-14 Riverside At side of road between Banning and Idyllwild, 14.2 mi. s. of Hwy. 70 and 99 1676 Comment
  POM122635  Calochortus concolor Marcus E. Jones 1925-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  POM158454  Calochortus concolor Philip A. Munz 1927-5-21 10875 Riverside 10 miles SW of Coahuila [now Cahuilla] Comment
  CAS-BOT-BC488539  Calochortus concolor E. A. McGregor 1941-6-13 34 Riverside Pines-to-Palms Highway, near Public Camp, San Jacinto Mountains Comment
  CAS-BOT-BC132461  Calochortus plummerae Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild Comment
  RSA747278  Calochortus weedii var. intermedius Orlando Mistretta 1992-6-10 515 Riverside Cleveland National Forest: Along old road coming off 3504 W of Sierra Peak. Head of road. Comment
  RSA688839  Calochortus weedii var. weedii Scott D. White, Michael Honer 2003-6-17 9549 Riverside Murrieta. Interstate 215 / Clinton Keith interchange. 457 Comment
  POM15169  Calycoseris wrightii Mary F. Spencer 1922-4-10 1955 Riverside Snow Creek prope [near] Palm Springs Comment
  UCR214706  Calycoseris wrightii A. C. Sanders 2010-3-23 37541 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  RSA518287  Calyptocarpus vialis A. C. Sanders 1989-5-31 9492 Riverside Uncommon annual weed in moist soil beside the door to the greenhouse, Botanic Gardens, U. C. R. campus. Comment
  UC7763  Calyptridium monospermum H. M. Hall July, 1901 2352 Riverside Tauquitz Valley; San Jacinto Mountains, Tauquitz Valley 2438 Comment
  UCR172788  Calystegia macrostegia Wayne Law, Jun Hu 2000-5-16 12 Riverside Peninsular Ranges; Santa Ana Mtns., Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi south of Corona 396 Comment
  UCR215619  Calystegia macrostegia Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 05 Riverside Peninsular Range, Box Springs Mountains, eastern edge of Riverside; Two Trees Canyon Trail near the trailhead 409 Comment
  RSA430232  Calystegia macrostegia subsp. arida E. Misquez 1987-5-16 11 Riverside Santa Ana Mountains, Walker Basin; 2 miles on Avenida de Oro from Jct with Rancho California road and 4.7 miles west of Interstate 15. 415 Comment
  CSUSB671  Calystegia macrostegia subsp. tenuifolia Bill Marks 1971-5-16 Riverside Growing on the side of the road in the Santa Ana Mountains behind Murrietta. Comment
  CSUSB673  Calystegia macrostegia subsp. tenuifolia Frances Miller 1964-5-5 M 6425 Riverside Box Spring Mountains At the base of Box Spring Mountains (the end of), beside the stables. 365 Comment
  CAS-BOT-BC199283  Calystegia sepium subsp. limnophila S. B. Parish; W. F. Parish July 1881 916 Riverside Riverbottom along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River at the Mission Bridge, along bike path, vicinity of old Boy Scout camp 238 Comment
  RSA516878  Camissonia bistorta Steve Boyd 1986-3-1 1360 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park 640 Comment
  UCR117089  Camissonia bistorta A. C. Sanders, T. B. Salvato 2001-5-16 24297 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  UCR120795  Camissonia bistorta Ian G. Gillespie, Summer Karsh 2000-5-13 40 Riverside San Jacinto Mtns., c. 200 m up Mt. Edna Road off of Hwy 243 on the northern side of the mountains. 1159 Comment
  UCR167676  Camissonia bistorta T. B. Salvato, Melissa Clemons 2005-6-23 1293 Riverside Peninsular Range; Temescal Valley, Walker Canyon, 1.5 mi due east of Alberhill, N of Hwy I-15 412 Comment
  UCR172246  Camissonia bistorta John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley: Leon Road (San Diego Aqueduct right of way) from Borel Road/Tucalota Creek S for c. 0.25 mi 427 Comment
  UCR280967  Camissonia bistorta Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-23 517- 35 Riverside Temescal Valley, Temescal Valley, Indian Wash, SE side of Glen Eden Rd. at De Palma Rd. 372 Comment
  UCR167453  Camissonia boothii 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
  RSA465989  Camissonia boothii subsp. condensata A. C. Life 1928-3-17 s.n. Riverside Colorado Desert, Painted Canyon. Comment
  UCR148336  Camissonia brevipes 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
  POM250400  Camissonia brevipes subsp. brevipes I. W. Clokey 1935-4-17 6763 Riverside Colorado Desert. Shafer [Shavers] Wells - Cottonwood Springs. 25 Comment
  RSA134153  Camissonia brevipes subsp. brevipes Peter H. Raven 1958-2-15 11583 Riverside Colorado Desert. with parents, on roadside embankment at turn to Corn Springs, base of Chuckwalla Mountains. Comment
  RSA450521  Camissonia brevipes subsp. brevipes Barry A. Prigge 1988-2-21 7837 Riverside Colorado Desert, Orocopia Mountains. 2 miles W of Clemens Well. 229 Comment
  RSA466015  Camissonia brevipes subsp. brevipes Robert Gustafson 1980-4-3 1517 Riverside Orocopia Mountains, about 15 miles E of Mecca on Box Canyon road, thence about 2 miles S along dirt road 579 Comment
  CLARK-A1528-656  Camissonia californica Charlotte Stocks 1964-5-20 Riverside Comment
  RSA466167  Camissonia californica Ora M. Clark 1929-3-17 1690 Riverside Colorado Desert, south of Cabazon. Comment
  UCR176903  Camissonia californica Tracy Tennant 1998-5-13 2003 Riverside Peninsular Range, Vail Lake outlet, Temecula Creek Canyon 488 Comment
  UC147303  Camissonia campestris subsp. campestris H. M. Hall April 1897 442 Riverside vicinity of Winchester 457 Comment
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Mar 20 2011
  SEINET10492049  Camissonia cardiophylla David B. Dunn, Howard Brown 1947-2-9 Dunn 2846 Riverside Pushawalla canyon, indio hills. In dry wash. Comment
  POM13089  Camissonia chamaenerioides E. C. Jaeger 1920-3-1 s.n. Riverside Palm Springs Comment
  UCR19028  Camissonia claviformis John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 miles southeast of Desert Center 366 Comment
  POM14454  Camissonia claviformis subsp. aurantiaca Alice Eastwood 1913-4-30 2983 Riverside Palm Springs. Comment
  RSA162859  Camissonia claviformis subsp. aurantiaca John Olmsted 1958-3-29 86 Riverside Transition zone with drainage into Pinto Basin, 15-20miles N of jct betw Cottonwood Pass and Cottonwood Spring Raods, Joshua Tree National Monument. 762 Comment
  UCR226910  Camissonia claviformis subsp. aurantiaca Jim Andre 2011-2-2 16211 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
  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
  RSA561018  Camissonia graciliflora Steve Boyd, T. S. Ross 1992-5-4 7192 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  SEINET10805068  Camissonia hirtella Andrew C. Sanders 2006-5-19 Sanders 32423 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn/Scott Road and north of Clinton Keith Road (Murrieta 7.5'Q). Rocky slopes of granite and gabbro, loam and clay soil; coastal sage scrub/chaparral with Eriogonum fasc. fol., Salvia mellif., Adenostoma and groves of Quercus agrifolia. [T6S R3W S27, NE/4 & E/2 of NW/4] 518 Comment
  RSA525263  Camissonia ignota Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4576 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 549 Comment
  RSA500214  Camissonia intermedia Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3529 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  UCR106416  Camissonia intermedia George K. Helmkamp, A. C. Sanders 1997-3-15 1501 Riverside Skinner Lake, Grassland at base of Bachelor Mtn. and adjoining chapararal. 488 Comment
  UCR90416  Camissonia intermedia D. L. Banks, Steve Boyd 1995-4-5 0137 Riverside Palomar Mtns region, Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn, east of the Dripping Springs Alcove, west of the Dripping Springs Trail. 610 Comment
  RSA680559  Camissonia pallida Scott D. White, Michael Honer 2003-4-30 9143 Riverside Shavers Valley. About 1-2 miles south west of unnamed freeway exit at pumping station. 396 Comment
  CLARK-A1656-710  Camissonia pallida subsp. pallida Theo Glenn 1979-3-3 Riverside Palm Springs Comment
  JOTR30240  Camissonia pallida subsp. pallida Leary, C. and Leary, Pat 1979-5-5 2999 Riverside Joshua Tree National Park. Near the end of the road in Lower Covington Flat, Joshua Tree National Monument Comment
  RSA652352  Camissonia pallida subsp. pallida Marion P. Harthill 1973-2-17 1570 Riverside Snow Creek, Palm Springs 366 Comment
  RSA134476  Camissonia refracta T. Mosquin 1958-2-21 3189 Riverside Box Canyon. Comment
  SEINET3005000  Camissonia refracta G. Rink 2011-4-4 10428 Riverside Northwest of Blythe, east of the McCoy Mtns, desert pavement 182 Comment
  UCR251668  Camissonia refracta Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 765 Riverside Sonoran (Colorado) Desert, Mecca Hills, Shaver's Well, adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  UC56459  Camissonia strigulosa H. M. Hall Apr. 1903 3842 Riverside Moreno Valley Comment
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Mar 20 2011
  UCR154971  Camissonia strigulosa A. C. Sanders, Kelly Volansky 2005-3-17 29218 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
  UCSB45579  Camissonia strigulosa Roos, John 1952-4-16 Riverside Reche Canyon 457 Comment
  SDSU3355  Camissoniopsis confusa H. Wedberg 1958-5-17 303 Riverside 7.4 miles from Banning on road to Idyllwild. Comment
  SDSU3364  Camissoniopsis hirtella H. Wedberg 1958-5-17 300 Riverside 7.4 miles from Banning railroad station on road to Idyllwild. Comment
  SD215583  Camissoniopsis lewisii Steve Boyd, Tim Ross et al 1990-4-2 4043 Riverside Vail Lake area, lower slopes of Agua Tibia Mountain along Highway 79, East of USFWS Dripping Springs Guard Station. 487 Comment
  OBI83116  Cardamine californica Cecelia Call 1959-3-21 101 Riverside Tinmine Canyon, near Corona. Comment
  RSA653195  Cardamine parviflora A. C. Sanders 1995-2-6 15915 Riverside Riverside: UCR campus. 365 Comment
  RSA462420  Carex alma N. C. Cooper 1944-4-8 1049 Riverside Andreas Canyon 305 Comment
  SEINET6654137  Carex athrostachya Scott D. White, Justin M. Wood 2008-6-18 12222 Riverside San Jacinto Mountains, K Flat Meadow.; 0 1433 Comment
  RSA364677  Carex heteroneura Anstruther Davidson s.n. Riverside Idyllwild. San Jacinto. Comment
  RSA125886  Carex multicaulis Peter H. Raven 1958-5-17 s.n. Riverside along road to Banning 6.1 miles northwest of Lake Fulmor, San Jacinto Mountains. Comment
  UCR96415  Carex multicaulis Scott D. White 1996-8-1 4410 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  CAS-BOT-BC118508  Carex praegracilis Earl W. Lathrop 1965-3-30 5605 Riverside 12 mi W of Murrieta Comment
  POM1480  Carex praegracilis I. M. Johnston 1918-5-30 s.n. Riverside Temescal. 305 Comment
  RSA180458  Carex praegracilis E. W. Lathrop 1965-3-30 5605 Riverside 12 miles west of Murrieta. Tenaja Range Comment
  RSA192172  Carex praegracilis E. W. Lathrop 1960-6-9 4959 Riverside 14 miles west of Murrieta. Comment
  UC1930090  Carex praegracilis Scott D. White, Justin Wood 2008-4-3 11795 Riverside Perris/Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan property, Alberhill area. (Lake Matthews) Comment
  UCR277703  Carex praegracilis Mitch Provance 2013-4-16 413- 19 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  CAS-BOT-BC117867  Carex sartwelliana Frank Warrington Peirson 1924-7-28 5015 Riverside Near stream, Pine Flats Camp, San Jacinto Mts. 1798 Comment
  UC835304  Carex sartwelliana I. W. Clokey, E. G. Anderson 1935-8-21 6563 Riverside Fuller's Creek 1500 Comment
  UCR24806  Carex sartwelliana George K. Helmkamp 1981-7-5 s.n. Riverside San Jacinto Mountains, spring alongside the Black Mountain Road, 6 mi from the Banning to Idyllwild Hwy (243) Comment
  RSA249867  Carex subfusca Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38154 Riverside San Bernardino National Forest, San Jacinto Mountains: Lake Fulmor. 1677 Comment
  RSA682458  Carex subfusca Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8643 Riverside Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  SD178220  Carya illinoinensis A. C. Sanders, T. B. Salvato 2003-5-21 26778 Riverside Temescal Valley: Lawson Drive near Glen Ivy, in a wetland reserve area for the Trilogy development. 334 Comment
  UCR114742  Cassia nemophila A. C. Sanders, K. C. Rose 1999-5-28 22794 Riverside Coachella Valley, between La Quinta and Indio, along Jefferson St. between Ave 54 and I-10 10 Comment
  RSA496368  Castilleja affinis Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-3-19 3042 Riverside Vail Lake area, 0.75 mile NW of dam. 622 Comment
  UC1552094  Castilleja applegatei subsp. martinii David Charlton 1988-5-21 1934 Riverside s of Lake Hemet (on Hwy 74, Thomas Mountain Rd, from n to s, w of Garner Valley) 1676 Comment
  RSA0010922  Castilleja densiflora subsp. densiflora J. C. Roos 1952-4-16 5558 Riverside Box Springs Mountains, Pigeon Pass. 396 Comment
  UCR79362  Castilleja densiflora subsp. gracilis Steve Boyd 1992-4-18 6900 Riverside Perris-Aguanga Basin region, Paloma Valley, between Sun City and Murrieta, east of Hwy 215; just SW of the junction of Briggs Road and Scott Road 457 Comment
  UCR113851  Castilleja exserta Mitch Provance 2000-5-5 2013 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
  UCR116860  Castilleja exserta A. C. Sanders, Steven R. Hill 2001-5-4 24133 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
  UCR21985  Castilleja exserta Steve Boyd 1980-4-8 115 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR75538  Castilleja exserta A. C. Sanders 1993-5-12 13997 Riverside San Jacinto Valley, Hemet, SW corner of intersection of Florida Ave (Hwy 74) & Warren Rd., between new San Diego Aqueduct and Warren Road 460 Comment
  RSA586866  Castilleja exserta subsp. exserta D. L. Banks, S. D. Boyd 1995-5-3 285 Riverside NW Palomar Mountains; Agua Tibia Mountains;Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  POM48325  Castilleja foliolosa E. C. Jaeger 1925-3-1 s.n. Riverside Snow Canyon, San Jacinto Mts. 457 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
  RSA400582  Castilleja foliolosa Ora M. Clark 1929-3-16 1702 Riverside South of Cabazon. Comment
  RSA507946  Castilleja foliolosa Steve D. Boyd, C. Boyd, K. Boyd, R. Noyes, L. Arnseth 1988-5-28 2264 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  RSA801813  Castilleja foliolosa LeRoy Gross, Evan Meyer 2013-5-21 6107 Riverside West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley., Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near [coordinates given.] 1631 Comment
  UCR121243  Castilleja foliolosa Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2264 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  UCR71902  Castilleja minor subsp. spiralis Steve Morgan, H. M. Soldan 1992-5-25 92- 2 Riverside Santa Rosa Mtns, SE end of San Bernardino National Forest, c. 17 mi (airline) due south of Cathedral City, on County Road 7S02 (Santa Rosa Truck Trail), from 0.5 to c. 1.5 mi south of Calif. Hwy 74 Comment
  OBI29869  Caulanthus heterophyllus Melissa Luckow, Rhonda Riggins 1982-4-15 832 Riverside Hwy 371, 1.2 mi N of jctn with hwy 79 in Aguanga Comment
  RSA286105  Caulanthus heterophyllus John F. Emmel 1980-4-28 702 Riverside Foothills ca. 6 air miles ESE of Hemet; ridge between Bautista Cyn. road & Peak 2595, 0.2 air mi NE of Peak 2595. 701 Comment
  SD137831  Caulanthus heterophyllus Darin L. Banks, Steve Boyd 1995-3-16 107 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, east of the Dripping Springs Alcove, north slope of Wildorse Peak. 609 Comment
  UCR62238  Caulanthus heterophyllus R. Montijo 1990-4-27 s.n. Riverside Rancho California Area: east of Santa Rosa Plateau [and of Skinner Reservoir], Green Meadow Road off of de Portola Road 610 Comment
  UCR86328  Caulanthus heterophyllus Karin Cleary 1992-4-6 117 Riverside near top of ridge west of California St., [Reinhardt Canyon] Hemet 610 Comment
  UCR95442  Caulanthus lasiophyllus var. rigidus Steve Boyd, D. E. Bramlet 1996-4-19 8630 Riverside San Jacinto Valley, San Jacinto Wildlife Refuge at Southwestern edge of Mystic Lake, in the San Jacinto River Floodplain, north of 'Marsh A 433 Comment
  UCR265570  Caulanthus simulans Angelique Herman, Keir Morse, Nick Regoli, Eric Lumba 2015-3-15 2015- 9 Riverside Santa Rosa/San Jacinto Mountains, Pinyon Flats Campground 1220 Comment
  POM19808  Ceanothus cordulatus Mary F. Spencer 1923-6-27 2188 Riverside Idyllwild, San Jacinto Mt. 1646 Comment
  POM254867  Ceanothus crassifolius W. Pequegnat 1940-4-13 s.n. Riverside Bedford Road, Santa Ana Mts. 793 Comment
  RSA569985  Ceanothus crassifolius Steve Boyd, Kyle Boyd 1993-3-28 7920 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
  RSA606774  Ceanothus crassifolius Jon E. Keeley 1996-5-5 27363 Riverside Chaparral S of Hwy 79 on Woodchuck Rd., E of Temecula. 183 Comment
  SD2995  Ceanothus crassifolius Edmund C Jaeger 1925-12-23 Riverside Aguanga 3200 Comment
  SDSU13698  Ceanothus crassifolius var. crassifolius James C. Dice with George Diggs 1987-12-7 763 Riverside North side of Temecula Gorge, ca. 0.4 km ENE of Field Station site (just SE of Weather Station). overlooking Santa Margarita River. T8S, R3W, NW 1/4 of NW 1/4 of Section 26. 341 Comment
  RSA399034  Ceanothus cuneatus Elbert Benjamine 1929-5-18 2028 Riverside Mt. San Jacinto. 915 Comment
  SBBG27219  Ceanothus cuneatus var. cuneatus I. W. Clokey with E. G. Anderson 1935-4-10 6734 Riverside E of Hemet 820 Comment
  RSA399853  Ceanothus greggii var. perplexans A. Menke 1955-4-28 s.n. Riverside Near Barton Peak Lookout. San Jacinto Mts. Comment
  UC1070691  Ceanothus greggii var. perplexans A. E. Wieslander 1929-4-3 56 Riverside en route to Banning San Jacinto quad. 762 Comment
  POM305369  Ceanothus leucodermis Henry J. Ramsey 1938-3-26 649 Riverside Temecula. Comment
  RSA650467  Ceanothus leucodermis G. Foster 1961-5-12 s.n. Riverside Idyllwild. Comment
  SBBG119994  Ceanothus leucodermis A. C. Sanders with M. Misenhelter 2005-3-23 29263 Riverside E slope of Squaw Mtn, Avenida Escala just above Avenida Caleta, N of Tenaja Rd; Santa Rosa Plateau 701 Comment
  SD229239  Ceanothus leucodermis Dick Schwenkmeyer 2012-4-17 695 Riverside Mt. San Jacinto: Vista Grande, 2 miles south of U.S. Forestry station on Highway 243 north of Idyllwild 1618 Comment
  UCR166154  Ceanothus leucodermis T. B. Salvato, John F. Green 2004-5-27 560 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
  CAS-BOT-BC63466  Ceanothus palmeri Carl B. Wolf 1941-8-12 11142 Riverside San Jacinto Mts. 3.5 mi. nw. Idylwild on Dark Canyon Rd. 1645 Comment
  LA44877  Ceanothus perplexans Elizabeth Levine; 1949-5-22 sn Riverside Palms hwy., near the Idylwild turnoff Comment
  CAS-BOT-BC63251  Ceanothus tomentosus var. olivaceus R. Bacigalupi 1935-3-28 2336 Riverside Along U.S. Highway 99, 5 mi. e. of Redlands. Comment
  RSA596622  Cenchrus longispinus L. C. Wheeler 1947-8-27 6602 Riverside 3 miles west of Beaumont. Comment
  CDA7301  Centaurea X pouzinii Gene Drake 1989-12-8 Riverside Corona. DeGroot Dairy, Archibald and Greenwine. 0 Comment
  CAS-BOT-BC284479  Centaurea solstitialis Scott D. White; Mike Wilcox 1995-7-13 3473 Riverside Alluvial fan below unnamed canyon +- 1/4 mi SW of Grand Ave. (City of Lk. Elsinore), directly downslope from hairpin trun on SH 74, NE Santa Ana Mtn. foothills 487 Comment
  SD152949  Centaurea solstitialis Steve Boyd, Tim Ross and Dave Bramlet 1992-9-9 7690 Riverside Southern Santa Ana Mountains; upper San Mateo Canyon, from the junction of Tenaja Road and Los Alamos Road at the confluence of Los Alamos Creek. 395 Comment
  UCR193853  Centaurea solstitialis John F. Green 2008-7-9 s.n. Riverside Peninsular Range, Menifee Valley, Briggs Rd. south of Scott Rd. and north of Woodbine Lane 447 Comment
  UCR199743  Centaurea solstitialis Scott D. White, Justin Wood 2008-5-29 12043 Riverside Beaumont Badlands, West of Beaumont, near SR-60 crossing over San Timoteo Creek 671 Comment
  RSA689428  Centromadia pungens subsp. laevis R. E. Riefner 2003-5-27 03 -242 Riverside Back basin of Lake Elsinore, Malaga Rd near Mission Trail Rd. 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
  SD6128  Centrostegia thurberi 1917-5-1 Riverside Mojave Desert near Hesperia Comment
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Nov 20 2011
  RSA247378  Cercidium floridum Gary D. Wallace 1967-4-29 720 Riverside Northeast of Coxcomb Mts., 15 miles North of Desert Center along Parker Dam Hwy. Comment
  SEINET238938  Cercidium floridum A. C. Sanders, T. B. Salvato; Mitch Provance 2000-4-25 23368 Riverside Coachella Valley: east side of Coachella Canal between I-10 and Ave. 52 E of Coachella (Thermal Canyon 7.5' Q.) 24 Comment
  POM12099  Cercocarpus betuloides Mary F. Spencer 1921-6-8 1682 Riverside Idyllwild 1616 Comment
  POM301780  Cercocarpus betuloides James E. Cole 1941-4-21 633 Riverside Joshua Tree National Monument 1402 Comment
  RSA220988  Cercocarpus betuloides E. W. Lathrop 1966-5-8 6432 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  UCR133614  Cercocarpus betuloides I. W. Clokey, E. G. Anderson 1935-4-16 6732 Riverside San Jacinto Mtns., east of Hemet 600 Comment
  UC527317  Cercocarpus betuloides var. betuloides C. B. Wolf 1931-5-11 1950 Riverside near Pipe Creek (above Hemet Valley, San Jacinto Mountains); San Jacinto Mountains 1676 Comment
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Mar 24 2011
  RSA522775  Cercocarpus minutiflorus Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3882 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
  UCR78445  Chaenactis artemisiifolia Scott D. White 1993-4-22 1247 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  CAS-BOT-BC276377  Chaenactis carphoclinia S. B. Parish 1916-5-15 10838 Riverside Cottonwood Springs, Colorado Desert 792 Comment
  SBBG87840  Chaenactis carphoclinia A. C. Sanders, B. Pitzer 1986-3-3 6110 Riverside Corn Spring, wash below the spring and wash and rocky slopes to the S Chuckawalla Mtns, T6S, R16E, S28 487 Comment
  RSA0034951  Chaenactis carphoclinia var. carphoclinia A. Lee Haines 1974-4-8 s.n. Riverside North side of Orocopia Mts. 396 Comment
  CAS-BOT-BC276910  Chaenactis fremontii Palmer Stockwell 1940-4-24 1504 Riverside 1 mile E of Cabazon Comment
  POM122615  Chaenactis fremontii Marcus E. Jones 1926-2-15 s.n. Riverside Whitewater. Comment
  POM259906  Chaenactis fremontii Philip A. Munz 1940-3-23 15721 Riverside 3 miles north of Cottonwood Springs, Eagle Mts. 915 Comment
  POM351700  Chaenactis fremontii Ora M. Clark 1929-2-22 1544 Riverside south Cabazon Comment
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Mar 13 2011
  UC1478689  Chaenactis fremontii Barry Prigge with L. Martinez 1978-3-23 2416 Riverside 1.2 mi e of Sky Valley (near Dillon X Skyridge Roads, nw Colorado Desert); Colorado Desert 335 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
  UCR34888  Chaenactis glabriuscula L. B. Ziegler 1966-6-23 057 Riverside San Jacinto Mtns., Thomas Mountain 1982 Comment
  CAS-BOT-BC277408  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1986-5-1 1820 Riverside Bachelor Mtns.: lower south slopes of Bachelor Mtn., east end of Lake Skinner Comment
  RSA314460  Chaenactis glabriuscula var. glabriuscula R. F. Thorne, F. R. Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55458 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  RSA586841  Chaenactis glabriuscula var. glabriuscula Darin L. Banks, Peter Morrell 1995-5-4 0308 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, N of the Wildhorse Trail, on metasedimentary hills N of Wildhorse Peak. 622 Comment
  CAS-BOT-BC284348  Chaenactis stevioides H. M. Hall 1905-5-1 6018 Riverside Cottonwood Springs, Colorado Desert 670 Comment
  RSA0029324  Chaenactis stevioides Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4686 Riverside Sonoran Desert: Chuckwalla Valley, active sand dunes +/- 7.25 miles northeast of Desert Center, +/- 3.0 miles E of SR-177, and +/- 1.0 mile N of abandoned Jojoba farm. 149 Comment
  RSA432408  Chamaesyce Robert L. Dressler 1949-3-19 367 Riverside Box Canyon, Orocopia Mts. Comment
  RSA770643  Chamaesyce R. F. Thorne 1966-10-15 41777 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  SEINET3365544  Chamaesyce abramsiana G. Rink 2011-10-8 11079 Riverside East of the McCoy Mountains, northwest of Blythe, in a swale that sometimes holds water 170 Comment
  UCSB8659  Chamaesyce albomarginata Krogen, Roger 1957-1 Riverside 4 mi. S of junction of Hwy. 195 and Hwy. 60-70 at N edge of Orocopia Mts. Comment
  JOTR30085  Chamaesyce micromera La Doux, Tasha, Bill Truesdell 2006-10-3 1723 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  RSA779662  Chamaesyce parishii Duncan S. Bell, Lindsay Ward 2011-6-21 2697 Riverside The Mecca Hills; up a small slot canyon off of Box Canyon, approximately 4.3 air miles southwest of Shavers Well, or approximately 1.75 air miles northeast of the junction of Coachella Canal Road and Box Canyon Road. 88 Comment
  JEPS52387  Chamaesyce polycarpa Ethel Rockwell 400 Riverside northwest Colorado Desert, Edom Comment
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Sep 7 2011
  POM2793  Chamaesyce polycarpa P. A. Munz 1918-4-28 2150 Riverside Elsinore. Comment
  RSA535080  Chamaesyce polycarpa Steve Boyd, T. S. Ross 1991-11-10 6628 Riverside Gavilan Hills, Harford Springs Park. Rocky slope of ridge on W side of large juniper grove area at th north-central end of the park. Comment
  RSA779803  Chamaesyce polycarpa Duncan S. Bell 2009-3-9 102 Riverside Arica Mountains: southeast section of the mountain range approximately 1.2 air miles from Priest Well or approximately 6.5 air miles southwest of the ghost town of Rice. 307 Comment
  RSA793612  Chamaesyce setiloba Duncan S. Bell, Aaron Sedgwick 2012-9-13 4201 Riverside The Mecca Hills; along what was left of Box Canyon Road after having been buried by a flash flood from a large summer storm, approximately 5 air miles northeast of the junction of Box Canyon Road and the Coachella Canal, or approximately 1.25 air miles southwest of Shavers Well. 240 Comment
  UC489275  Chamerion angustifolium subsp. circumvagum C. V. Meyer 1928-7-26 534 Riverside Deer Springs San Jacinto Mt. 2743 Comment
  UCR158449  Cheilanthes californica S. J. Myers 1993-1-22 s.n. Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, SW of Mesa de Colorado, Carancho Rd. at Tortuga Rd. 396 Comment
  RSA708640  Cheilanthes clevelandii Scott D. White, Brian Leatherman, James Huelsman 2005-2-14 10785 Riverside Santa Rosa Plateau area, northwest of Squaw Mtn. Terminus of Via Ranchero at San Diego County line. 823 Comment
  CAS-BOT-BC70032  Cheilanthes covillei Carl B. Wolf 1932-5-24 3646 Riverside No. base of San Jacinto Mts. Snow Creek Canyon, 1/2 mi. below fish hatchery 548 Comment
  POM222775  Cheilanthes covillei W. G. Wright 1881-03 s.n. Riverside Whitewater Comment
  UC254450  Cheilanthes covillei W. G. Wright March, 1881 Riverside Whitewater Comment
  POM6637  Cheilanthes parryi P. A. Munz, Street, Williams 1919-3-25 2325 Riverside Palm Canyon. 243 Comment
  UC1063595  Cheilanthes parryi H. S. Yates 1937-3-24 6453 Riverside Deep Canyon; Thermal Quadrangle Comment
  CAS-BOT-BC70379  Cheilanthes viscida John Thomas Howell 1928-3-11 3421 Riverside wall of Morongo Canyon, n. Colorado Desert 609 Comment
  RSA629023  Chenopodium Scott D. White 1998-6-28 6790 Riverside Corona: River Road bridge over the Santa Ana River. 160 Comment
  RSA666517  Chenopodium Mitch Provance 2000-10-28 2269 Riverside Sunnyslope, residential areas near the Ormand Quarry. 274 Comment
  RSA717053  Chenopodium album A. C. Sanders 2002-12-13 25662 Riverside Temescal Valley: development called Trilogy at Glen Ivy at the confluence of Bixby and Anderson Canyons, basin W18 north of Trilogy Parkway 366 Comment
  POM319738  Chenopodium berlandieri Patricia Wilder 1970-10-15 4791 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills 152 Comment
  UCR114197  Chenopodium berlandieri A. C. Sanders, D. Malueg, K. D. Jones, et al 2000-9-8 23644 Riverside Perris-Aguanga Basin Region, Tucalota Creek SE of French Valley Airport, on gasline route 381 Comment
  RSA0014928  Chenopodium californicum LeRoy Gross, Caitlin Elam 2013-5-14 6087 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
  RSA60836  Chenopodium californicum Frank W. Gould 1944-4-5 2231 Riverside 17 miles east of Temecula. Comment
  UCR126942  Chenopodium glaucum A. C. Sanders 2002-12-13 25663 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons, basin W18 north of Trilogy Parkway 366 Comment
  OBI70667  Chenopodium hians Louis C. Wheeler 1945-10-6 6138 Riverside San Jacinto Mts. head of W fork of Snow Crk. T4S R2E sec 12 2377 Comment
  SEINET10904483  Chenopodium incanum Chris Dietrich, Mary Merello; Heidi H. Schmidt 1994-4-13 Dietrich 32 Riverside 7.5 miles south of North Shore on State Highway 111. Along highway on east shore of Salton Sea. Sandy beach soil with creosote bush common. 40 Comment
  OBI17202  Chenopodium murale Tracey & Viola Call, Viola Call 1962-4-8 2122 Riverside Rancho rd, Corona 213 Comment
  UCR113116  Chenopodium murale A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16076 B 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
  UCR165301  Chenopodium murale John F. Green 2005-2-3 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 miles east of Desert Beach 24 Comment
  UCR115135  Chenopodium strictum Mitch Provance 2000-11-2 2294 Riverside North Riverside, Reid Park, c. 0.5 mi SW of the corner of Placentia Ln. and Orange St. 250 Comment
  CAS-BOT-BC231791  Chilopsis linearis Annie M. Alexander; Louise Kellogg 1941-5-26 s.n. Riverside Lost Palms Canyon, Eagle Mts. 762 Comment
  RSA650063  Chilopsis linearis Peter Gail 1961-5-12 s.n. Riverside Pushawalla Canyon, 2 miles from Powerline Rd. Comment
  SD113257  Chilopsis linearis Darley F. Howe 1936-6-14 358 Riverside Palm Springs Comment
  SEINET8733767 Image available Chilopsis linearis James W. Hardin 1969-1 13284 Riverside Desert, just ne. of Palm Springs. 4 Comment
  UCR264246  Chilopsis linearis subsp. arcuata A. C. Sanders, Jim Malusa 2015-9-10 41841 Riverside Sonoran (Colorado) Desert, Salt Creek Canyon near top of alluvial fan, beside Summit Rd. c. 1.15 mi. below the old train trestle 213 Comment
  UC1100193  Chloris virgata Malcolm A. Nobs and S. Galen Smith 1948-9-3 490 Riverside 2 mi n Indio; Imperial Valley Comment
  RSA180372  Chlorogalum parviflorum E. W. Lathrop 1960-6-8 4938 Riverside 14 miles west of Murrieta Comment
  RSA587579  Chlorogalum parviflorum Darin L. Banks, Steve Boyd 1995-6-2 578 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail immediately S of the wilderness boundary gate, W of the Dripping Springs Alcove Area. 633 Comment
  RSA0123280  Chorizanthe brevicornu Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8993 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
  UCR75065  Chorizanthe brevicornu A. C. Sanders, E. J. Lawlor 1992-4-4 12116 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  CAS-BOT-BC191700  Chorizanthe brevicornu var. brevicornu John Thomas Howell 1928-3-25 3555 Riverside 10 miles S of Palm Springs on road to Indio, Colorado Desert Comment
  CAS-BOT-BC191711  Chorizanthe brevicornu var. brevicornu C. L. Hitchcock 1940-3-30 5876 Riverside Cottonwood Spring Comment
  POM147639  Chorizanthe corrugata F. M. Reed 1927-3-20 5477 Riverside Salt Creek Wash. Comment
  RSA0107851  Chorizanthe corrugata Duncan S. Bell, Amanda Turek 2009-3-30 165 Riverside Southeast section of the Arica Mountains; approximately 0.75 air mile west southwest of Priest Well. 332 Comment
  RSA392661  Chorizanthe corrugata Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
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Dec 3 2007
  RSA784658  Chorizanthe fimbriata Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 65 Riverside South main divide road splitting. Comment
  UC1563103  Chorizanthe fimbriata var. fimbriata Steve Boyd, Tim Ross, Laurel Arnseth 1989-6-4 3628 Riverside hills just s of jtn Highway 79 and road to Vail Lake Marina (Butterfield Valley); Vail Lake area, Butterfield Valley 457 Comment
  UCR35078  Chorizanthe leptoceras L. B. Ziegler 1967-6-14 158 Riverside San Jacinto Mtns., Bautista Creek Canyon 732 Comment
  JEPS57753  Chorizanthe leptotheca W. L. Jepson 1901-5-27 1479 Riverside between Cahuilla Valley and Aguanga 624 Comment
  RSA0098332  Chorizanthe parryi var. parryi Marc A. Baker 2015-4-15 18326 Riverside San Gorgonio Pass, 11 km east of Banning, 30 km NW of Palm Springs, 1.8 km north of Cabazon, 3.5 km east of the San Gorgonio River. 652 Comment
  RSA700060  Chorizanthe parryi var. parryi Scott D. White, Michael Honer 2003-4-25 9090 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. 610 Comment
  RSA407731  Chorizanthe polygonoides var. longispina Steve Boyd 1986-5-1 1796 Riverside Perris-Aguanga Basin region SW Perris Basin, Hill west of Skunk Hollow. Comment
  RSA720446  Chorizanthe polygonoides var. longispina Naomi Fraga, Valentin Arvizu, Elizabeth Kempton, Tim Thibault 2006-6-7 1697 Riverside East of Fobes Ranch Road, about 1/2 mile south of Fobes Ranch. 1616 Comment
  UCR148475  Chorizanthe rigida 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
  UCR209584  Chorizanthe xanti subsp. leucotheca Robert J. Steers, Matt Willis, Jodi Ross 2009-6-3 s.n. Riverside San Gorgonio Pass, near the town of Cabazon, between Pipeline Rd. and San Gorgonio River, south of I-10 and 0.46 mi. west of Agnes Ave. crossing of Blanche Ave. 552 Comment
  CAS-BOT-BC248060  Chorizanthe xanti var. leucotheca S. B. Parish 1907-4-19 6168 Riverside Palm Springs, Western edge of the Colorado Desert 200 Comment
  UCR167057  Chorizanthe xanti var. leucotheca Scott D. White, Jennifer H. Jones 2005-5-24 11098 Riverside Banning Pass area, Cabazon: San Gorgonio River wash and adjacent alluvial flats and benches to W 610 Comment
  SEINET3146291  Chrysothamnus paniculatus L. S. Rose 1935-12-21 35677 Riverside Colorado Desert; Whitewater Wash, 3 mi SE Palm Springs Station 305 Comment
  SEINET11841379  Chrysothamnus paniculatus O. F. Clarke 1969-1 s.n. Riverside near Whitewater on Hwy 111, 2 mi SE of junction with I-10 at Verbenia Ave Comment
  SEINET11860603  Chrysothamnus paniculatus L. S. Rose 1935-12-21 35677 Riverside Colorado Desert, Whitewater Wash, 3 mi SE of Palm Springs Station 305 Comment
  UCR150646  Chrysothamnus teretifolius Bern Schwenn 1994-11-18 s.n. Riverside Joshua Tree National Monument, W slope of Ryan Mtn., along trail 1463 Comment
  RSA799240  Chylismia brevipes subsp. brevipes Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 748 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
  SD260086  Chylismia brevipes subsp. brevipes J. M. Andre 2013-3-4 23869 Riverside Riverside Mountains; east side of range, along rocky dirt road to historic mine area, 0.8 mi west of Hwy 95, approx 12 mi. south of Vidal Jct. 127 Comment
  UC1184318  Chylismia brevipes subsp. brevipes Peter H. Raven 1958-2-15 11569 Riverside slopes above wash; Chuckwalla Mountains, Corn Springs Comment
  CAS-BOT-BC160639  Chylismia claviformis subsp. aurantiaca Hasse 1907-2-1 s.n. Riverside Palm Springs Comment
  SBBG5104  Chylismia claviformis subsp. aurantiaca C. H. Muller 1952-4-6 9507 Riverside 1 mi N of S gate to Joshua Tree Nat Monument Comment
  SD215581  Chylismia claviformis subsp. aurantiaca W. Wisura, J. Dolan and M. Wall 1992-3-24 4618 Riverside 5.5 miles northeast of Mecca on Box Canyon Road. Comment
  UC1184378  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-3-1 11750 Riverside along US Hwy 95 16.1 mi n Blythe Comment
  UC68523  Chylismia claviformis subsp. aurantiaca H. M. Hall Apr. 1905 5805 Riverside 10 mi w Coachella; Colorado Desert 91 Comment
  UC454292  Cirsium occidentale var. californicum I. J. Condit 1910-6-23 Riverside Strawberry Valley San Jacinto Mts., Strawberry Valley 1676 Comment
  RSA0019617  Cistanthe ambigua Michael Wall 2009-4-5 s.n. Riverside Ridge line above Ladder Canyon off Painted Canyon east of Mecca 279 Comment
  RSA466523  Cistanthe ambigua Anstruther Davidson 1920-04 s.n. Riverside Mecca Comment
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Oct 26 2009
  POM12974  Cistanthe monandra P. A. Munz, I. M. Johnston 1922-5-21 5516 Riverside 1/2 mile above Keen Camp, San Jacinto Mountains 1524 Comment
  RSA709190  Cistanthe monandra A. C. Sanders 2005-4-28 29768 Riverside Peninsular Ranges: Gavilan Hills; north of Santa Rosa Rd., 1 mi. SW of Ida Leona Mine. 625 Comment
  RSA718827  Cistanthe monandra Michael Honer, L. Hulse 2004-4-3 1924 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. Peninsular Ranges, San Ysidro Mountains: W side of Otay Mtn; 1.5 km SSE of Savage Dam (Otay Lake); N of County Prison; near tributary to Otay River, N of O Neal Canyon. 610 Comment
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Jun 8 2016
  UCR127552  Clarkia purpurea A. C. Sanders, T. B. Salvato 2003-5-21 26800 Riverside Elsinore Valley, Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  RSA585522  Clarkia purpurea subsp. quadrivulnera D. L. Banks, Steve D. Boyd 1995-5-9 383 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 701 Comment
  UCR107817  Clarkia purpurea subsp. quadrivulnera D. L. Banks 1997-5-5 2018 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek. Along the S fork of Pechanga Creek 427 Comment
  RSA801957  Clarkia rhomboidea LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6153 Riverside Along road (5S24). End of Marion Ridge road, south of the community of Pine Cove. Ridge running south down to Idyllwild school of performing arts, west of Strawberry Valley. 1799 Comment
  CSUSB249  Clarkia unguiculata Pam Maynard 1974-5-16 Riverside Fairmount Park in city of Riverside. On the southern border of the park, on a dry slope. 603 Comment
  RSA710929  Clarkia unguiculata A. C. Sanders, Seung-Chul Kim 2005-5-7 30050 Riverside 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 457 Comment
  CAS-BOT-BC91329  Clematis lasiantha Carl B. Wolf 1941-8-15 11156 Riverside Santa Ana Mountains, east slope along main divide Motorway between Indian Canyon Summit and Trabuco Peak. 1371 Comment
  RSA492846  Clematis pauciflora Maureen Pendleton 1988-2-1 s.n. Riverside Ca. 2.5 mi. S of Temecula between I-215 and Rainbow Canyon Road. 412 Comment
  SD1797  Clematis pauciflora Fidella Woodcock 1928-4-27 Riverside North grade of San Jacinto Mountain, near bridge. Comment
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Oct 23 2011
  POM85797  Cleome isomeris Marcus E. Jones 1906-4-30 s.n. Riverside Indio. Comment
  SBBG28834  Collinsia concolor N. C. Cooper 1944-5-20 1290 Riverside Palms to Pines Hwy (St Hwy 74) 1371 Comment
  SD133001  Collinsia concolor Scott White 1991-5-10 91 141 Riverside Hwy 79, immediately W of the U.S. Forest Service Campground at Dripping Springs 548 Comment
  SJSU11586  Collinsia concolor N. D. Addy 1962-4-16 Riverside Railroad Canyon Rd c. 3.5 mi E of E shore, Lake Elsinore Comment
  UC1563032  Collinsia concolor Steve Boyd, Tim Ross, Laurel Arnseth 1989-4-1 3170 D Riverside just sw Vail Lake dam (recent burn in hills); Vail Lake area 487 Comment
  RSA0117422  Collinsia concolor Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mountains, along Hwy 243, 1-2 mi. below Mt. Edna turnoff. Comment
  UCR133441  Collinsia heterophylla Jeffrey Ross, T. Tennant, G. White 1998-5-21 MOR- 203 Riverside San Bernardino Mtns., Morongo Indian Reservation, Hathaway Canyon, c. 0.55 miles of the junction of the lower and upper canyons 1040 Comment
  UCR24482  Collinsia heterophylla John C. Roos 1950-4-15 4733 Riverside In the hills NE of the summit of Reche Canyon 546 Comment
  SEINET270111 Image available Collinsia parryi Steve Boyd, Orlando Mistretta 1992-4-23 7072 Riverside San Mateo Canyon Wilderness Area ; Southern Santa Ana Mountains along San Mateo Creek from Riverside County Line following San Mateo Trail upstream to th 244 Comment
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Aug 24 2013
  UCR22639  Colubrina californica C. S. Jones 1979-3-27 41 Riverside Sonoran (Colorado) Desert, in SE facing canyon about 300 yards from unnamed dirt road approximately 5 mi. north of I-10, 4 mi. west of Desert Center 427 Comment
  SEINET3080984 Image available Conium maculatum Unknown 1966-5-16 Riverside Specific location: Camp Evans. At the foot of the western side of Mt. Rubidoux, 100 yards north of Mission Blvd. 213 Comment
  UCR48505  Conium maculatum Steve Boyd 1986-4-22 1727 Riverside Temescal Canyon, Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mountain and Gavilan Hills 427 Comment
  UCR68608  Convolvulus simulans Steve Boyd, D. E. Bramlet 1990-4-29 4471 Riverside Peninsular Range, Lake Skinner County Park, S flank of Bachelor Mtn. Comment
  RSA289854  Conyza canadensis B. A. Prigge 1980-9-16 4048 Riverside Coachella Valley Stormwater Channel; W of Munroe St. Indio 0 Comment
  RSA595919  Conyza canadensis D. L. Banks, Lauren Raz 1996-11-5 1178 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; Along the main road in the Reservation, approximately 20 m E of its intersection with Pechanga Creek. 393 Comment
  UCR193917  Cordylanthus rigidus A. C. Sanders, Mitch Provance 2008-7-11 35764 Riverside Peninsular Range; San Jacinto Mtns., 3/4 mi. NE of Mountain Center, c. 1/4 mile NE of Keenwild Fire Station, near road to helipad 1494 Comment
  JOTR29613  Coreopsis bigelovii Andre, Jim 2006-4-26 6751 Riverside Joshua Tree National Park. about 0.5 mi. NNE of Rattlesnake Spring on ridge just south of radio tower and NE corner of park boundary 1320 Comment
  UCR70724  Coreopsis bigelovii Ora M. Clark 1929-2-23 1562 Riverside Sonoran (Colorado) Desert, north of White Water Comment
  POM230199  Corethrogyne filaginifolia I. W. Clokey, E. G. Anderson 1933-8-21 6963 Riverside Keen Camp P. O. [Post Office] Riverside 1350 Comment
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Oct 30 2011
  SD229081  Corethrogyne filaginifolia Dick Schwenkmeyer 2012-8-7 795 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  SEINET272198  Cornus glabrata A. C. Sanders, T. Tennant 1997-11-14 21596 Riverside Morongo Indian Reservation ; San Bernardino Mtns.: W end of Burro Flats wooded canyon at border between chaparral hillside and annual grassland past 1158 Comment
  UCR41815  Cotula australis A. C. Sanders 1986-4-13 6469 Riverside Riverside, Riverside, residential garden, 422 Campus View Drive 335 Comment
  OBI8335  Crassula connata David J. Keil, Malcolm McLeod 1977-3-26 12026 Riverside 0.7 mi W of jctn with Riverside County Rd R-3 (to Hemet) along Calif Rte 79 549 Comment
  RSA543301  Crassula connata Steve Boyd 1991-3-17 5509 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
  UCR112590  Crassula connata A. C. Sanders 1998-3-11 21692 Riverside Shipley/Skinner Reserve area, Diamond Valley, along State Street (R3) c. 1/2 mi. north of Newport Rd., south of Hemet 488 Comment
  RSA84907  Crassula solieri F. W. Peirson 1922-4-29 2944 Riverside mud flat south of Lake Elsinore Comment
  RSA735852  Cressa truxillensis Scott D. White, Justin M. Wood 2008-4-15 11875 Riverside Perris Valley: Interstate 215, between Nuevo Rd and Scott Rd. 427 Comment
  CAS-BOT-BC181570  Crossosoma bigelovii Frank W. Peirson 1922-4-9 s.n. Riverside Andreas Canyon - Colorado Desert 457 Comment
  RSA785951  Croton californicus J. Andre, G. L. Clifton 2011-2-22 17471 Riverside Coachella Valley; just south of I-10 at Amtrak train station parking, just west of N Indian Canyon Drive 186 Comment
  SBBG29381  Croton californicus D. Myrick 1968-3-2 1795 Riverside Desert Hot Springs 304 Comment
  SFV2072  Croton californicus M. L. Vincent, R. H. Swade 1963-10-19 465 Riverside Snow Creek Road, 2 miles from its intersection with California State Highway 111. 366 Comment
  UC868658  Croton californicus Lewis S. Rose 1938-12-18 38320 Riverside Palm Springs 137 Comment
  UCR187280  Croton californicus Diane Menuz, Theresa Johnson 2006-6-15 157 Riverside Peninsular Range; San Jacinto Mtns, San Bernardino National Forest, Bautista Canyon, just off the road c. 1/2 mile below Bautista Spring 762 Comment
  LA204863  Croton californicus Carl Epling; March 1927 s.n. Riverside Whitewater Pass, near Palm Springs. Comment
  POM87124  Croton californicus var. mohavensis Marcus E. Jones 1906-4-30 s.n. Riverside Indio. Comment
  RSA480700  Croton californicus var. mohavensis Christopher Davidson, B. Gustafson 1977-4-7 5589 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. Hillside, N slope. 610 Comment
  RSA5155  Croton californicus var. mohavensis C. B. Wolf 1932-4-26 2966 Riverside 3 mi. east of Mecca on Blythe Road. 0 Comment
  SEINET9359277  Cryptantha Unknown 1976-5-4 Riverside Red Mountain Road. Comment
  UCR260559  Cryptantha T. B. Salvato 2015-4-2 8103 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully 537 Comment
  JEPS67463  Cryptantha angustifolia W. L. Jepson 1927-4-12 11636 Riverside Painted Canyon Colorado Desert, Mecca Hills 76 Comment
  POM12152  Cryptantha angustifolia Mary F. Spencer 1920-3-10 1512 Riverside In desert sandy, Mecca, colorado Desert. -60 Comment
  RSA0029325  Cryptantha angustifolia Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4688 Riverside Sonoran Desert: Chuckwalla Valley, active sand dunes +/- 7.25 miles northeast of Desert Center, +/- 3.0 miles E of SR-177, and +/- 1.0 mile N of abandoned Jojoba farm. 149 Comment
  RSA796021  Cryptantha angustifolia Duncan S. Bell 2009-4-18 242 Riverside Arica Mountains; northeast of range, approximately 2.25 air miles southwest of the ghost town of Rice. 224 Comment
  SEINET3152142  Cryptantha angustifolia S. B. Parish 1907-4-15 6158 Riverside Western base of the Colorado desert. 450 Comment
  SEINET12326518  Cryptantha angustifolia Unknown 1936-1 12822 Riverside Colorado Desert, N of Palm Springs Comment
  RSA747728  Cryptantha barbigera Scott D. White, Justin M. Wood 2009-3-24 12562 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
  UCR6095  Cryptantha barbigera Barry A. Vittor 1966-3-11 s.n. Riverside Western Colorado Desert, Rancho Dos Palmas, 2 miles NE of Salton Sea State Park 30 Comment
  UCR89563  Cryptantha barbigera George K. Helmkamp 1994-3-10 42 15 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
  SDSU18686  Cryptantha barbigera var. barbigera Kristen Hasenstab, M. G. Simpson 2008-4-1 51 Riverside Joshua Tree National Park. 500 ft from Cottonwood Springs campground. 928 Comment
  RSA6088  Cryptantha barbigera var. fergusoniae C. B. Wolf 1932-5-25 3676 Riverside 1 mile below the Fish Hatchery, Snow Creek, north base of San Jacinto Mountains 396 Comment
  UCR243568  Cryptantha barbigera var. fergusoniae Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21099 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, upper watershed on east ridge, 1.1 mi south of radio tower, c. 6 mi. south of town center of Yucca Valley 1207 Comment
  UCR258751  Cryptantha corollata T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7913 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 0.6 mi north of Hwy 15 and Temescal Canyon 476 Comment
  SEINET3100711  Cryptantha costata G. Rink, M. Honer, K. Christie 2012-3-19 11083 Riverside NW side of the Mule Mtns, ca 2 miles east of the prison 120 Comment
  RSA0079341  Cryptantha cycloptera Lyman Benson 1933-3-31 4169 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  RSA712691  Cryptantha decipiens George K. Helmkamp 1984-5-2 D- 27 Riverside Big Morongo Canyon, 3 - 3.5 miles below the caretakers s house at the Big Morongo Preserve. 549 Comment
  SEINET7073448  Cryptantha decipiens A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  JEPS29317  Cryptantha intermedia Rimo Bacigalupi, and L. R. Heckard 1962-3-26 8413 Riverside 3.3 mi nw Alberhill (w-facing slopes near headwaters of Temescal Wash and Canyon, w base of Estelle Mountain and just opposite Indian Canyon (from w)); Estelle Mountain 304 Comment
  POM368284  Cryptantha intermedia H. de Forest, Jack Rempel 1933-6-25 18014 Riverside Along road to Banning, San Jacinto Mts Comment
  POM6557  Cryptantha intermedia P. A. Munz, G. Williams 1919-3-28 2376 Riverside Banning 701 Comment
Read comments
Mar 13 2011
  RSA786099  Cryptantha intermedia C. P. Cowan 1978-4-24 1254 Riverside 19.6 mi S on Hwy 74 from its jct with Hwy 111 at Indian Wells. Sta. Rosa Road, 1.9 mi S of 74. Whittaker transect no.W-225(voucher). Comment
  SDSU5389  Cryptantha intermedia H. Wedberg 1962-4-20 902 Riverside About 8 1/2 miles from Hemet, and 1/2 mile from Cranston Ranger Station on road to Mountain ceter and Idyllwild. 610 Comment
  UC551831  Cryptantha intermedia F. R. Fosberg 1932-5-9 10637 Riverside near Hemet; St. John's Grade 770 Comment
  UCR165911A  Cryptantha intermedia T. B. Salvato, John F. Green 2004-5-27 551 A 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
  UCR251995  Cryptantha intermedia A. C. Sanders, T. B. Salvato 2014-7-2 41166 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  JOTR28750  Cryptantha maritima La Doux, Tasha 2005-2-7 1031 Riverside Joshua Tree National Park. above Hayfield Dry lake 553 Comment
  POM126312  Cryptantha maritima T. Craig 1927-4-2 13 Riverside Hidden Springs Canyon. Comment
  UCR148324  Cryptantha maritima John F. Green 2005-1-12 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  UCR20837  Cryptantha maritima A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1303 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  RSA617201  Cryptantha maritima var. pilosa L. C. Wheeler 1953-3-31 7038 a Riverside Near Mountaineer Mine. Comment
  SEINET3105257  Cryptantha micrantha Faulkner 1978-3-30 410 Riverside 1 mile N. of Riverside Mtns., bench area, 4 miles South of Vidal. 146 Comment
  CLARK-A1528-333  Cryptantha micrantha subsp. micrantha Charlotte Stocks 1964-4-26 Riverside Comment
  POM46993  Cryptantha micrantha var. lepida Mary F. Spencer 1919-6-29 1301 Riverside Idyllwild. 1616 Comment
  RSA499653  Cryptantha micrantha var. lepida Ora M. Clark 1929-4-7 s.n. Riverside South of Aguanga Comment
Read comments
Nov 9 2011
  RSA741225  Cryptantha micrantha var. lepida Scott D. White, Justin M. Wood 2008-5-15 11980 Riverside Johnson Meadow. 1415 Comment
  RSA586298B  Cryptantha microstachys D. L. Banks, S. D. Boyd 1995-5-3 0209 B Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA0079563  Cryptantha muricata var. jonesii R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38079 -A Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  RSA0079246  Cryptantha muricata var. jonesii Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3162 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  UCD80956  Cryptantha nevadensis Chuck Hughes 2009-3-23 59 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 219 Comment
  UCR213400  Cryptantha nevadensis var. nevadensis A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37461 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
  JOTR35073  Cryptantha pterocarya var. pterocarya La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3525 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocky slopes; above narrow side canyon Comment
  RSA0079328  Cryptantha pterocarya var. purpusii J. R. Bruff 1928-4-2 s.n. Riverside Canyon wash 1 mile west of Morengo. Comment
  SEINET3152318  Cryptantha racemosa L. S. Rose 1936-12-22 36809 Riverside San Jacinto mts.; Palms to Pines hwy, 17 miles SW of Indio 914 Comment
  UC857249  Cryptantha racemosa C. L. Hitchcock 1940-4-1 5913 Riverside Cottonwood Spring wash Joshua Tree National Monument Comment
  UC64404  Cryptantha simulans H. M. Hall 1901-6-1 Riverside Onstatt Valley San Jacinto Mountains 1524 Comment
  UCR50381  Cryptantha utahensis F. R. Fosberg 1929-3-30 S- 00710 Riverside Western Colorado Desert/ San Jacinto Mtns, Palm Springs, Andreas Canyon Comment
  JOTR35025  Cucurbita palmata La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3106 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road Comment
  UCR231775  Cuscuta californica John F. Green 2008-4-23 08- 19 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  POM9395  Cuscuta californica I. M. Johnston 1920-5-8 2269 Riverside Jurupa Mountains, extreme west end. Comment
  CLARK-A1528-422  Cuscuta californica var. papillosa C. M. Flanagan 1973-6-13 OO 713 Riverside Morongo Indian Reservation 975 Comment
  UC588120  Cuscuta denticulata Carl B. Wolf 1932-10-11 4282 Riverside Morongo Wash at the San Bernardino County line Morongo Wash 731 Comment
  SEINET3272855  Cylindropuntia californica var. parkeri Marc A. Baker, Michelle Cloud-Hughes 2012-11-16 17636 .5 Riverside Aguanga 7.5' USGS topographic quadrangle Zone; 2.1 km east-northeast of the summit of Billy Goat Mountain, 5 km north-northeast of Aguanga, 75 km southeast of Riverside. 867 Comment
  RSA0097198  Cylindropuntia echinocarpa Marc A. Baker, Michelle Cloud-Hughes 2015-7-12 18412 Riverside San Gorgonio River, 2.5 km SW of Cabazon, 28 km WNW of central Palm Springs. 538 Comment
  RSA65624  Cylindropuntia echinocarpa F. W. Peirson 1928-4-24 7901 Riverside Hills north and northeast of Cottonwood Springs, north end of Colorado Desert. Comment
  RSA0059323  Cylindropuntia ganderi C. B. Wolf, Percy C. Everett 1939-9-29 9456 Riverside Desert slopes of San Jacinto Range. Deep canyon on Palms to Pines Road, 2 miles below Pinon Flat F.S. Camp. 1067 Comment
  RSA0098479  Cylindropuntia ganderi var. ganderi Marc A. Baker 2015-7-4 18385 .2 Riverside San Jacinto Mountains, 25 km SSE of central Palm Springs, 800m WSW of Sugarloaf Mountain. 1236 Comment
  SEINET3071826  Cylindropuntia ramosissima Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17508 Riverside Pilot Mountain quadrangle, zone 11 0655330mE 3721650mN NAD83, Corn Springs, north side of Chuckwalla Mountains, 12km SSE of Desert Center, 85km east of Indio 498 Comment
  CAS-BOT-BC114542  Cyperus eragrostis G. Helmkamp; E. A. Helmkamp 1998-8-17 4446 Riverside Santa Ana Mts: San Juan Cyn along the Ortega Hwy (CA-74) beside the Orange Co. line. 502 Comment
  RSA788097  Cyperus eragrostis Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49551 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons Comment
  UCR86031  Cyperus involucratus Michael A. Patten, S. J. Myers 1993-8-20 s.n. Riverside Sonoran (Colorado) Desert, along Tahquitz Creek and behind the debris basin dam in Palm Springs 183 Comment
  UCR41433  Cyperus odoratus Scott Cantrell, W. Appleby 1985-9-19 s.n. Riverside Santa Ana River Regional Park. south side of the river 207 Comment
  RSA404176  Dalea mollis Robert Gustafson 1980-4-3 1531 Riverside Orocopia Mountains, about 4 miles east of Mecca on Box Canyon road. 213 Comment
  RSA781611  Dalea mollis Duncan S. Bell 2011-12-30 3037 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
  UC865993  Dalea mollis P. A. Munz and D. Keck 1922-4-8 4738 Riverside Mecca Colorado Desert, Mecca -30 Comment
  CDA26961  Dalea mollissima W. E. Henson 1930-3-1 3694 Riverside Chuckawalla Valley. 0 Comment
  CDA26963  Dalea mollissima G. D. Barbe 1978-5-2 2370 Riverside Twenty-nine Palms/Mecca exit from eastbound I-10, Cottonwood Springs Road, east of Indio. 0 Comment
  SD137794  Datisca glomerata Darin L. Banks, Steve Boyd 1995-5-3 203 Riverside Agua Tibia Wilderness Area, Cleveland National Forest, N slope of Agua Tibia Mtn. 490 Comment
  UCR208074  Datisca glomerata T. S. Elias, Steve Boyd, Kit Tan 1986-7-23 10154 Riverside Peninsular Ranges; Santa Ana Mountains, Santa Rosa Plateau: along Cole Creek 610 Comment
  GMDRC5489  Datura discolor J. Andre 2012-4-16 20899 Riverside Little San Bernardino Mountains: along Cottonwood Spr. Rd, 1.0 mi. north of South Entrance 584 Comment
  UCR162548  Datura wrightii S. J. Myers 2005-10-6 s.n. Riverside Perris-Aguanga Basin, Noble Creek near Hwy I-10 at San Timoteo Canyon Road/Oak Valley Parkway 762 Comment
  UCR480  Datura wrightii Rodney Hendrick 1965-3-14 s.n. Riverside Sonoran (Colorado) Desert, About 3 mi east of Mecca on Box Canyon Road 0 Comment
  UCR213447  Daucus pusillus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37802 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  CAS-BOT-BC293820  Deinandra fasciculata S. B. Parish 1916-6-8 10973 Riverside Between San Bernardino and Riverside 360 Comment
  SD185128  Deinandra fasciculata A. C. Sanders 2005-5-4 29842 Riverside 1.0 km east and southeast of Gavilan Peak. 625 Comment
  SDSU12947  Deinandra fasciculata Jutta Buschbom 1991-6-1 19 Riverside Santa Margarita Ecological Reserve, Temecula. 152 Comment
  RSA703539  Deinandra kelloggii R. E. Riefner Jr. 2004-4-27 04 -147 Riverside Morreno Valley, south of Allesandro St. near Merwin St. and Kimber Ave. 354 Comment
  SBBG104030  Deinandra kelloggii A. C. Sanders 1993-5-17 14063 Riverside S side of Florida Ave (Hwy 74) on E side of California Ave; Hemet 460 Comment
  UC76428  Deinandra kelloggii Miss M. Alice King 1893-4-1 Riverside Menifee Comment
  SD239582  Deinandra paniculata Mark A. Elvin 2005-5-24 4321 Riverside Peninsular Range; Perris-Aguanga Basin Region: SW foot of round hill west of Hemet and south of Hwy 74, west of California Ave. 470 Comment
  UC1746496  Deinandra paniculata A. C. Sanders, T. B. Salvato 2000-5-25 23423 Riverside 2 miles due east of Railroad Canyon Lake; Menifee Valley; S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake Comment
  UC297879  Deinandra paniculata David D. Keck 1926-9-30 264 Riverside 9.7 mi n Perris Comment
  RSA16371  Delphinium parryi Percy C. Everett 1935-6-17 7160 Riverside Coldwater Canyon Trail to Santiago Peak., 2 miles above Glen Ivy Resort. 610 Comment
  RSA0020472  Delphinium parryi subsp. parryi P. A. Munz, Street, Williams 1919-3-28 2369 Riverside San Gorgonio Pass, near Banning 701 Comment
  RSA747112  Dendromecon Orlando Mistretta 1992-6-10 531 Riverside Peninsular Ranges: (Cleveland National Forest) Along old road coming off 3504 W of Sierra Peak. Head of road. Comment
  RSA557346  Deschampsia danthonioides Julie Greene 1993-5-12 1305 Riverside San Jacinto Wildlife Area; south of gated W-E road, east of Davis Road. 433 Comment
  SBBG59444  Deschampsia elongata R. Hoffmann 1929-9-7 Riverside Strawberry Valley Comment
  SEINET3507548 Image available Descurainia sophia D. L. Heald 1966-5-16 54 Riverside Off the road behind Webber Hall at UCR in Riverside, Riverside County. Comment
  UCR201668  Descurainia sophia Scott D. White, Justin M. Wood 2008-6-19 12272 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  UCR120158  Dichelostemma capitatum Mitch Provance 1998-2-28 120 Riverside Jurupa Mountains, NE 'Wilder's Canyon', (what is sometimes referred to as the E fork of Pyrite Canyon) 351 Comment
  UCR154826  Dichelostemma capitatum A. C. Sanders, Mike Misenhelter 2005-3-23 29275 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR98484  Dichelostemma capitatum A. C. Sanders, G. Helmkamp 1997-3-15 19923 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 549 Comment
  HSC82902  Dichelostemma capitatum subsp. capitatum B. Pitzer 1986-2-22 18 Riverside Whitewater Canyon 0.5 mi. N of Fish Hatchery, San Bernardino Mtns., 5 mi. N of Hwy. 10 on Whitewater Canyon Rd. 732 Comment
  RSA367466  Dichelostemma capitatum subsp. capitatum Mark Morris 1929-3-17 s.n. Riverside Palm Canyon. Comment
  UCR188671  Dichelostemma capitatum subsp. capitatum Amanda Lovelady, Tina Hofmann 2007-5-20 29 Riverside Peninsular Range; Santa Ana (Elsinore) Mtns., c. 4 miles SW of city of Lake Elsinore, Cleveland National Forest, Morgan Trailhead at Main Divide Truck Trail, and surrounding area, between heads of Morrell and Decker Canyons 854 Comment
  UCR215508  Dichelostemma capitatum subsp. capitatum Daphne K. Christopher, Hannah I. Stevens 2003-4-3 082 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve 536 Comment
  CAS-BOT-BC292179  Dicoria canescens John C. Angsbury 1929-2-1 s.n. Riverside Indio Comment
  CAS-BOT-BC292181  Dicoria canescens Mrs. Robert Campbell 1921-11-26 2 Riverside Palm Springs Comment
  OBI16616  Dicoria canescens P. A. Holden 1968-11-24 612 Riverside W Coachella Valley. Found on hwy 111 just W of Palm Springs Comment
  RSA709117  Dicoria canescens Scott D. White, Justin M. Wood 2005-10-4 11237 Riverside San Gorgonio Pass: Cabazon: Smith Creek (a dry wash) at the foot of the San Jacinto Mtns., south of the I-10 Freeway and west of San Gorgonio River. 564 Comment
  UCR264611  Dicoria canescens Mitch Provance 2012-11-9 1120- 2 Riverside Colorado Desert, Whitewater, near corner of Whitewater cutoff Rd. and Painted Hills Rd., about 0.1 miles N of Interstate 10 405 Comment
  SD229083  Dieteria canescens var. canescens Dick Schwenkmeyer 2012-8-7 796 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  UCD64071  Digitaria sanguinalis Scott D. White; Brian Leatherman 2004-10-7 10768 Riverside Perris Basin: City of Perris. Immediately east of the I-215 Freeway, at Watson Road. 434 Comment
  UCR140298  Dimorphotheca sinuata A. C. Sanders 2004-4-9 27465 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  CAS-BOT-BC150933  Diplacus bigelovii var. bigelovii T. Mosquin 1958-2-22 3203 Riverside Corn Spring, Chuckwalla Mts. Comment
  RSA0019290  Diplacus brevipes A. C. Sanders 2008-7-25 35896 Riverside east side of May Valley, NE of Bonita Vista Rd. at foot of hills 1543 Comment
  SBBG93194  Diplacus brevipes R. Montijo 1990-4-27 Riverside Rancho Californica area, E of Santa Rosa Plateau, Green Meadow Rd off of De Portola Rd 609 Comment
  SD137605  Diplacus brevipes Darin L. Banks, Steve Boyd 1995-4-5 160 Riverside Agua Tibia WildernessArea. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, E of the Dripping Springs Trail in the N flowing drainage that empties into Arroyo Seco 609 Comment
  CAS-BOT-BC153091  Diplacus fremontii Ynez Whilton Winblad 1941-5-27 s.n. Riverside San Juan Mts., San Juan Canyon, Highway 74 609 Comment
  CAS-BOT-BC434235  Diplacus fremontii Tracy Tennant; Mitch Provance 1998-6-16 MOR- 403 Riverside San Bernardino Mtns. Foothills: Morongo Indian Reservation, upper Millard Canyon, north of Cabazon. 1052 Comment
  RSA0019404  Diplacus fremontii Kim Robinson 1990-5-26 13 Riverside Highway 243, heading S toward Idyllwild, at the turn-out directly across from Skyland Ranch. 1524 Comment
  RSA0019405  Diplacus fremontii Carl B. Wolf 1932-8-6 3996 Riverside 2.9 mi From Idyllwild on the road to Hemet. 1220 Comment
  RSA0018425  Diplacus longiflorus var. calycinus Carl B. Wolf 1931-5-11 1960 Riverside Near Pipe Creek, above Hemet Valley. 1677 Comment
  RSA0018424  Diplacus longiflorus var. calycinus N. C. Cooper 1944-6-16 1428 Riverside San Jacinto Mtns. Pine Cove. 1524 Comment
  CAS-BOT-BC150872  Diplacus puniceus Lyman Benson 1932-3-26 3183 Riverside Summit Temecula Grade 609 Comment
  UC2062529  Distichlis spicata subsp. spicata Hester L. Bell 2002-3-9 258 Riverside Northern Sonoran Desert. San Andreas Oasis near Dos Palmas Reserve, east of Highway 111 (and Salton Sea), exit at Parkside Road). Comment
  UCR41751  Ditaxis neomexicana A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6046 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, west side of the Chuckwalla Mtns., 6 mi. south of Hwy I-10 on gasline road; 1/2 mi. NW of Model Mine 520 Comment
  CAS-BOT-BC43653  Dithyrea californica Alice Eastwood 1913-4-30 2987 Riverside Palm Springs. Comment
  RSA0040166  Dithyrea californica Sarah J. De Groot, April Garbat 2013-3-28 6996 Riverside Along Highway 177 at sandy area just south of the Desert Lily sanctuary, Chuckwalla Valley, just south of the Coxcomb Mountains. 152 Comment
  RSA27445  Dithyrea californica I. L. Wiggins 1941-3-24 9563 Riverside 0.3 miles south of Myoma, 4.6 miles north of Indio. Comment
  RSA48407  Dithyrea californica E. K. Balls 1949-4-2 12892 Riverside Highway 111 between Thermal ana Arabia. Comment
  UCR249501  Dithyrea californica T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7292 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
  RSA728149  Dodecatheon clevelandii Daphne K. Christopher, Hannah Stevens 2003-4-8 119 Riverside Santa Rosa Plateau Nature Conservancy Preserve. 556 Comment
  UCR19331  Dodecatheon clevelandii subsp. clevelandii Aleena M. Tarshis 1977-4-7 s.n. Riverside Riverside; Cajalco Rd., about 1 mile west of La Sierra Ave, Lake Mathews 457 Comment
  RSA69040  Dodecatheon redolens F. W. Peirson 1924-7-27 4999 Riverside Deer Springs, San Jacinto Mtns. 2668 Comment
  SEINET4568276 Image available Draba crassifolia Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4592 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  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
  UCR279576  Draba cuneifolia A. C. Sanders, Jim Malusa 2017-3-28 43139 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
  SEINET784712  Drymocallis glandulosa var. viscida Malcolm G. McLeod 1971-6-22 462 Riverside Idyllwild Comment
  UC527311  Drymocallis glandulosa var. viscida C. B. Wolf 1931-5-11 1961 Riverside near Pipe Creek (above Hemet Valley, San Jacinto Mts.); San Jacinto Mts., near Pipe Creek 1676 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
  RSA262076  Dudleya lanceolata E. W. Lathrop 1966-5-17 6526 Riverside 4 mi. W of Corona, between Tin Mine Canyon and Santiago Peak. 610 Comment
  UC115215  Dudleya lanceolata Charlotte M. Wilder 1905-6-1 584 Riverside near Riverside (Jurupa Hills) Comment
  UCR214305  Dudleya lanceolata A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38401 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  UCR84643  Dudleya lanceolata Scott D. White, S. Ogg 1994-4-21 1985 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  UCR48514  Dudleya multicaulis Steve Boyd 1986-5-7 1823 Riverside Temescal Canyon, Alberhill Mountain: lower slopes of S flank just east of clay mine area 427 Comment
  LA104987  Dudleya saxosa subsp. aloides Kei Nakai; 1980-12-25 686 Riverside Santa Rosa Mountains, Santa Rosa Mountain Road, 3.6 mi. from Hwy 74 1584 Comment
  RSA397785  Dudleya saxosa subsp. aloides Jeannette B. Edge 1934-3-30 s.n. Riverside Whitewater. Comment
  UCSB18343  Echinocereus engelmannii Lehmann, Karla 1964-5-10 Riverside State Highway 74; 4.7 miles E of Pinyon Flats Campground 944 Comment
  POM148751  Echinodorus berteroi J. B. Feudge 1927-6-1 1621 Riverside Lake Mystic. Comment
  RSA550476  Echinodorus berteroi David E. Bramlet 1992-5-15 2287 Riverside San Jacinto Wildlife Area; Drying bed of the old San Jacinto channel, some 610 m. from the intersection of the old channel w/ the new San Jacinto River channel. The site is approzimately 790 m. west of Davis Road. 433 Comment
  RSA289863  Eclipta prostrata B. A. Prigge 1980-12-15 4111 Riverside Coachella Valley Stormwater Channel: 3 miles S of Mecca where Lincoln Street crosses channel. -67 Comment
  UC1531137  Elatine californica Robert F. Thorne, M. Z. Thorne, and W. Wisura 1978-5-21 51987 Riverside Mesa del Colorado Santa Rosa Plateau Comment
  SEINET10680522  Elatine californica Robert F. Thorne 1978-5-21 Thorne 51987 Riverside Santa Rosa plateau, Mesa de Colorado. 610 Comment
  UC1409150  Elatine chilensis Robert F. Thorne and Earl Lathrop 1969-5-12 37939 Riverside Mesa de Colorado, Rancho Californua Santa Rosa Plateau Comment
  SEINET3910445  Eleocharis acicularis Faulkner 1978-3-21 354 Riverside 9 miles No. of Blythe Highway 95.; 0 152 Comment
  CLARK-A1656-829  Eleocharis geniculata Jon Mark Stewart 1982-11-13 82-014 Riverside Indio Hills 198 Comment
  RSA564498  Eleocharis geniculata A. C. Sanders, O. F. Clarke, CNPS field trip 1991-10-5 11744 Riverside Santa Ana River bottom, Rancho Jurupa Park, Pleasant Acres Lake. Comment
  UCR90606  Eleocharis macrostachya Scott D. White 1995-6-29 3392 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  RSA381084  Eleocharis montevidensis Robert F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61177 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  RSA586308  Eleocharis montevidensis Darin L. Banks, Steve Boyd 1995-5-3 219 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA741269  Eleocharis parishii Scott D. White, Justin M. Wood 2008-7-10 12450 Riverside Fobes Spring 1500 Comment
  RSA179495  Elyhordeum macounii E. W. Lathrop 1960-6-7 4855 Riverside 14 miles west of Murrieta Comment
  UCR2353  Elymus condensatus F. M. Reed 1907-6-9 1399 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, roadside north of Fairmont Park 274 Comment
  UCR24988  Elymus elymoides A. C. Sanders 1980-7-18 1659 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  CLARK-A1528-4605  Elymus glaucus John C. Roos 1937-5-10 2336 Riverside Lake Elsinore Comment
  UCR137607  Elymus glaucus subsp. virescens Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2262 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  CAS-BOT-BC204251  Elymus trachycaulus subsp. subsecundus H. M. Hall 1901-7-1 2555 Riverside San Jacinto Mountains. Fuller's, Mills Mountains 2133 Comment
  RSA182346  Emmenanthe penduliflora J. D. Olmsted 1962-5-2 3444 Riverside By saddle just N of highest part of Box Spring Mountains. 777 Comment
  RSA770311  Emmenanthe penduliflora Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4401 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 488 Comment
  RSA787984  Emmenanthe penduliflora L. M. Prince, Duncan S. Bell 2009-5-17 568 Riverside Cleveland National Forest. Roadside. 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
  RSA771652  Encelia actoni Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4916 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  CAS-BOT-BC131339  Encelia farinosa Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore Comment
  CLARK-A1703-1186  Encelia farinosa Charles S. Papp 1964-5-3 461 Riverside Riverside Comment
  RSA795928  Encelia farinosa Duncan S. Bell 2009-4-19 281 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  SBBG8060  Encelia farinosa H. and M. Dearing 1939-12-31 4046 Riverside near Palm Springs Comment
  SBBG99399  Encelia farinosa W. L. Halvorson 1977-3-8 77 -77 Riverside ca. 1 mi S of entrance to Joshua Tree Nat Monument Comment
  SD229087  Encelia farinosa Dick Schwenkmeyer 2012-5-22 721 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  UC1929638  Encelia farinosa V. Soza, J. M. Porter, G. D. Wallace 2001-4-2 1087 Riverside Transverse Ranges, Little San Bernardino Mountains region; Big Morongo Wash. 473 Comment
  UC472322  Encelia farinosa Geo. B. Grant 1906-4-20 396 -6720 Riverside Palm Springs Southern California, Palm Springs Comment
  UC895509  Encelia farinosa Lewis S. Rose 1938-12-22 38333 Riverside 16 mi sw Cathedral City (Palms to Pines Highway); San Jacinto Mts. 792 Comment
  UCR238220  Encelia farinosa Mark A. Elvin 2005-5-19 4362 Riverside Sonoran (Colorado) Desert, eastern edge of Coachella Valley, north of I-10 NW of Cactus City 546 Comment
  UCR83194  Encelia farinosa A. C. Sanders 1994-5-15 14483 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the E bank of the Santa Ana River 400 Comment
  POM356687  Encelia farinosa var. farinosa Geo. Cantwell 1935-4-10 s.n. Riverside Dos Palmas Springs, Salton Sea Comment
  RSA519246  Encelia farinosa var. farinosa Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  SD240854  Encelia farinosa var. phenicodonta Dave Silverman, Mark Bibbo 2010-3-31 7837 Riverside UTM in Supplement. Southern McCoy Mtns, east bajada flank, 1.5 km west of Black Creek Rd, 6.5 km north of I-10, and 6.9 km EME of McCoy Pk. 177 Comment
  CLARK-A1528-1811  Encelia virginensis subsp. actonii John C. Roos 1941-8-2 84 Riverside 609 Comment
  SEINET9357623  Encelia virginensis var. actoni Unknown 1936-12-22 Riverside Riverside Comment
  UC813690  Ephedra nevadensis C. L. Hitchcock 1940-3-29 5868 Riverside Cottonwood Canyon Cottonwood Canyon (ca 100 yds e of Spring in sandy wash) Comment
  UC729748  Ephedra trifurca Carl B. Wolf 1932-4-29 3123 Riverside on Blythe Road 3 mi s Rice; Eastern Colorado Desert 213 Comment
  UCR110391  Epilobium brachycarpum A. C. Sanders, Mitch Provance 1999-9-26 23085 Riverside San Jacinto Mountains, McMullen Flat at Valley High County Park, 0.7 mi. SE of Hwy 74 on Twin Pines Ranch Road 1183 Comment
  RSA0097964  Epilobium canum Duncan S. Bell 2014-11-14 7709 Riverside Santa Rosa Mountains; collecting in the Santa Rosa Mountain Wilderness area; west side of Martinez Mountain; at meeting point of Horsethief Creek and the Cactus Spring Trail. 1055 Comment
  RSA191412  Epilobium canum subsp. canum E. W. Lathrop, Thorne 1967-9-26 6610 Riverside Tenaja Guard Station, 10 miles NW of Murrieta. Comment
  RSA484733  Epilobium canum subsp. latifolium A. C. Sanders, E. J. Lawlor 1988-10-22 8734 Riverside Pinyon Flats area, Santa Rosa Mountains, along the trail from Dolomite Mine to Horsethief Creek. 1200 Comment
  RSA680526  Epilobium ciliatum subsp. ciliatum Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8647 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek, i.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  POM122779  Epipactis gigantea Marcus E. Jones 1926-6-20 s.n. Riverside Near Banning. Comment
  RSA520081  Equisetum laevigatum Steve Boyd, Dave Bramlet 1988-10-8 2871 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  RSA650202  Equisetum laevigatum R. Garner 1974-7-15 s.n. Riverside San Jacinto Mts. Comment
  RSA741376  Equisetum laevigatum Scott D. White, Justin M. Wood 2008-5-15 11977 Riverside Johnson Meadow. 1415 Comment
  UC810270  Equisetum laevigatum Crawford and Johnston 1917-6-9 1216 Riverside Santa Ana River near Corona Comment
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Jun 9 2011
  SEINET10562598  Eragrostis cilianensis Steve Boyd 1989-7-9 Boyd 3770 Riverside Weeds in vegetable garden of house at 4863 Rubidoux Avenue. Comment
  UCSB51400  Eragrostis mexicana Roos, John 1965-7-7 Riverside San Jacinto Comment
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Mar 10 2013
  RSA21763  Eremalche exilis Carl B. Wolf 1937-4-6 8435 Riverside Coachella Valley, 3 miles N of Indio. 0 Comment
  CLARK-A1528-3224  Eremalche rotundifolia John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  UC68596  Eremalche rotundifolia H. M. Hall Apr, 1905 5793 Riverside 8 mi. w. Coachella; Colorado Desert 60 Comment
  SEINET259019  Eremopyrum bonaepartis B. L. Johnson G 914 Riverside CULTIVATED; Grown at University of California Los Angeles Comment
  UCSB4375  Eremothera boothii subsp. condensata Koran, John 1958-4-10 Riverside 2.2 miles West on HWY 74 from intersection with HWY 111 Comment
  RSA0123353  Eremothera boothii subsp. decorticans Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9051 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  UC23526  Eriastrum densifolium subsp. austromontanum Harvey M. Hall 1896-9-2 330 Riverside San Jacinto Mt. 1524 Comment
  UCR268288  Eriastrum densifolium subsp. austromontanum Jim Andre 2012-6-15 30534 Riverside San Jacinto Mountains, Banning, along Hwy 243, 10.7 miles south of Interstate 10, San Bernardino National Forest 1499 Comment
  UC23521  Eriastrum densifolium subsp. sanctorum H. M. Hall 1895-7-4 173 Riverside above Riverside; Santa Ana River, Spanishtown crossing Comment
  UC2062556  Eriastrum eremicum subsp. eremicum Sarah J. De Groot with Robert K. Lauri 2005-7-7 5116 Riverside North foot of Mt. San Jacinto: Along Snow Creek Road just south of Highway 111, south of I-10. Comment
  CAS-BOT-BC514470  Eriastrum eremicum subsp. eremicum J. Cole 1942-5-1 972 Riverside Ruby Lee Mill Site, Joshua Tree National Monument 914 Comment
  RSA0120079  Eriastrum eremicum subsp. eremicum R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55433 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  RSA0120108  Eriastrum eremicum subsp. eremicum R. F. Thorne, Rolf Dahlgren, Gertrud Dahlgren 1979-8-22 53568 Riverside Joshua Tree National Monument: Just S of San Bernardino Co. line near jct of road to Split Rock and 29 Palms; Valley W of Pinto Mountains. 1098 Comment
  CAS-BOT-BC515003  Eriastrum sapphirinum subsp. dasyanthum S. B. Parish 1894-6-14 3331 Riverside San Bernardino Mountains and their eastern base: Banning 767 Comment
  RSA0121580  Eriastrum sapphirinum subsp. dasyanthum E. W. Lathrop 1960-6-9 4946 Riverside 14 miles west of Murrieta. Comment
  POM9675  Ericameria cuneata var. spathulata E. C. Jaeger 1921-11-15 257 Riverside Near Keyes Ranch. 1220 Comment
  POM305655  Ericameria linearifolia Henry J. Ramsey, Henry J. Ramsey 1939-4-22 1011 Riverside Hemet-Anza, Bautista Creek Road. Comment
  UCR84641  Ericameria linearifolia Scott D. White, S. Ogg 1994-4-21 1981 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  JOTR32833  Ericameria nauseosa var. mohavensis La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1555 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; active wash near base of granitic outcrops 1250 Comment
  LA203147  Ericameria paniculata Louis Wheeler; 1933-12-1 2288 Riverside San Gorgonio Pass, 2 mi. E. Cabazon, 640 Comment
  OBI42653  Ericameria paniculata D. Hoover 1986-4-7 773 Riverside South of Morongo Valley; area at the main BLM gate; base of the main canyon 549 Comment
  RSA249473  Ericameria parishii John F. Emmel 1972-8-20 409 Riverside Firebreak on Chalk Hill, just S of Idyllwild, San Jacinto Mts. 1616 Comment
  UCD131584  Ericameria teretifolia G. L. Webster; R. Hildreth 1966-12-9 7454 Riverside Joshua Tree National Monument, Split Rock. Comment
  POM13575  Erigeron divergens P. A. Munz, D. D. Keck 1922-4-13 4924 Riverside Hayfields,' Chuckwalla Valley 152 Comment
  RSA774065  Erigeron foliosus Duncan S. Bell, Jeffrey Morawetz, Kathleen Ashbaker 2010-6-28 1434 Riverside San Bernardino National Forest: Garner Valley, approximately 2.8 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1374 Comment
  UCD131907  Erigeron foliosus R. N. Raynor 1938-6-20 s.n. Riverside Coahuila. Comment
  CAS-BOT-BC296237  Erigeron foliosus var. foliosus Carl B. Wolf 1932-8-4 3918 Riverside Point View near Idyllwild, San Jacinto Mts. 1645 Comment
  IRVC27397  Erigeron foliosus var. foliosus A. C. Sanders, T. Schram, D. Wappler 1994-10-4 15776 Riverside N slope of the mtns: nameless tributary to Azalea Creek, ca. 1 mi. due S of the Twin Pines Ranch buildings. San Jacinto Mtns 1128 Comment
  POM48945  Erigeron foliosus var. stenophyllus P. A. Munz, I. M. Johnston 1924-7-26 8722 Riverside Saw Mill on Banning-Idyllwild Rd. 1707 Comment
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May 30 2011
  RSA16373  Erigeron foliosus var. stenophyllus Percy C. Everett 1935-6-17 7158 Riverside Coldwater Canyon Trail to Santiago Peak., 2 miles above Glen Ivy Resort. 610 Comment
  RSA180332  Erigeron foliosus var. stenophyllus E. W. Lathrop 1965-5-23 5767 Riverside Riverside, 8 miles W of Murrieta 610 Comment
  CHSC99226  Erigeron sumatrensis John Dittes; Eva M. Dittes, Rudolph A. Dittes, R. Arviso 2006-11-4 1429 Riverside South Coast Subregion; San Fernando Valley; North Hollywood; 7650 Hinds Ave, ca. 1/4 mile NW of intersection of Lankershim Blvd, and Saticoy St. Undesignated section San Fernando Land Grant. 237 Comment
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Sep 13 2014
  SD146029  Erigeron sumatrensis A. C. Sanders, Mitch Provance, T. Salvato, et al. 1999-10-5 23134 Riverside Riverside; new O. F. Clarke residence on Frost Court, east edge of UCR campus. 353 Comment
  CLARK-A1528-1026  Eriodictyon crassifolium John C. Roos 1941-5-10 131 Riverside Hemet 670 Comment
  SEINET271036  Eriodictyon crassifolium Richard J. Shaw 1958-4-6 1103 Riverside Palms to Pines Highway, between Idyllwild junction and Hemet 1067 Comment
  GMDRC6547  Eriodictyon crassifolium var. crassifolium J. M. Andre 2012-6-15 30499 Riverside San Jacinto Mountains: along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest 1172 Comment
  CLARK-A1528-5716  Eriogonum apiculatum John C. Roos 1947-9-6 3743 Riverside San Jacinto Mountains Comment
  CAS-BOT-BC242788  Eriogonum davidsonii Philip A. Munz 1937-5-29 15152 Riverside Deep Canyon, Santa Rosa Mts. 1066 Comment
  UCR82769  Eriogonum davidsonii A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15777 Riverside San Jacinto Mtns., N slope of mtns.: Twin Pines Creek drainage, Azalea Creek and a tributary gully from the west 1189 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
  JOTR34328  Eriogonum deflexum var. deflexum Andre, Jim 2012-4-11 20832 Riverside Joshua Tree National Park. Western margin of Eagle Mountains; 0.6mi south of Cottonwood Visitor Ctr. along Rte 11 912 Comment
  POM14218  Eriogonum deflexum var. deflexum P. A. Munz, D. D. Keck 1922-4-9 4778 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
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Apr 5 2011
  UC849369  Eriogonum deflexum var. deflexum Lewis S. Rose 1936-12-26 36824 Riverside 5 mi w, Hayfield Desert Center; Hayfield 609 Comment
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Dec 15 2011
  RSA125968  Eriogonum elongatum E. K. Balls, Percy C. Everett 1957-11-4 22750 Riverside Snow Creek, near old Fish Hatchery and through wash. 701 Comment
  GMDRC2587  Eriogonum fasciculatum subsp. flavoviride J. Andre, T. La Doux 2008-3-21 8829 Riverside Little San Bernardino Mountains: JTNP: Upper Cottonwood Cyn, approx 2 mi. S. of Cottonwood visitor's center.. Elev. 2890 ft. 881 Comment
  RSA0088968  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 1967-5-26 11740 Riverside Snow Creek. 335 Comment
  CAS-BOT-BC249902  Eriogonum fasciculatum var. flavoviride D. A. Johansen; J. A. Ewan 1932-4-11 7087 Riverside Martinez Canyon, Santa Rosa Mts. 365 Comment
  UC1032055  Eriogonum fasciculatum var. foliolosum A. Lewis 1934-2-1 1 Riverside 3 1/2 mi w Auburndale; Corona Quadrangle 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
  RSA0034568  Eriogonum fasciculatum var. foliolosum M. M. Thompson 1947-8-21 C 2058 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  POM308609  Eriogonum fasciculatum var. polifolium Henry J. Ramsey, Henry J. Ramsey 1937-5-9 3223 Riverside Near Desert Center. Comment
  RSA393344  Eriogonum fasciculatum var. polifolium N. R. Zabriskie, Walter Zabriskie 1972-3-28 479 Riverside North Canyon, Andreas Canyon watershed, east slope San Jacinto Mts. 610 Comment
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Oct 1 2011
  UCR121337  Eriogonum fasciculatum var. polifolium A. C. Sanders, Mark Elvin, Vipul Joshi 2002-4-26 25034 Riverside The Badlands, west fork of Laborde Canyon near old rocket test facility 622 Comment
  UCR137050  Eriogonum gracile A. C. Sanders 2004-5-5 27757 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  RSA0125108  Eriogonum gracile var. gracile Duncan S. Bell 2016-10-27 10217 Riverside Whitewater Canyon area; collecting in Rainbow Canyon, 2.75 air miles northwest of the Whitewater Ranger Station (trout ponds). 1024 Comment
  RSA518778  Eriogonum gracile var. gracile Scott D. White 1990-10-23 s.n. Riverside 8.5 mi. (airline) ENE of Temecula; E of De Portola Rd. on El Dorado Rd. 488 Comment
  RSA735604  Eriogonum gracile var. gracile LeRoy Gross, Duncan S. Bell 2008-9-16 3576 -a Riverside Garner Valley. West side of, and close to Highway 74. Around 1/4 mile north from Ramona trailhead parking area. 1365 Comment
  RSA0104490  Eriogonum gracile var. incultum Duncan S. Bell 2015-9-30 8665 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  UCR60830  Eriogonum inflatum Steve Boyd, Orlando Mistretta 1986-3-13 1475 Riverside Sonoran (Colorado) Desert, West side Palen Mtns: NE of Desert center; first large canyon at NW tip of western segment of range Comment
  UCSB1447  Eriogonum inflatum Van Leeuwen, Henry 1957-4-12 Riverside Whitewater Canyon; 1 mile from US 60 Comment
  RSA779701  Eriogonum inflatum var. deflatum Duncan S. Bell 2010-4-2 727 Riverside Arica Mountains: east side of mountain range, approximately 2.4 air miles northwest of Priests Well, or approximately 5.7 air miles southwest of the ghost town of Rice. 419 Comment
  UC85853  Eriogonum inflatum var. deflatum C. R. Orcutt 1890-1 2032 Riverside Indian Wells Comment
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Sep 23 2009
  RSA393580  Eriogonum inflatum var. inflatum P. J. Remple 1942-3-2 s.n. Riverside Dead Indian Creek, Santa Rosa Mtns. Comment
  SBBG64004  Eriogonum inflatum var. inflatum M. N. Ackley -Feb-1926 870 Riverside near Edom 64 Comment
  JEPS56775  Eriogonum maculatum Marjorie D. Clary 1932-6-5 1020 Riverside 15 mi nw Indio (Dead Indian Trail); Colorado Desert 243 Comment
  UC6361  Eriogonum molestum H. M. Hall July 1901 2624 a Riverside pine forests in vicinity of Strawberry Valley; San Jacinto Mountains 1584 Comment
  UC1929883  Eriogonum pusillum Scott D. White, Michael Honer 2003-5-13 9244 Riverside SAN BERNARDINO MTNS: Whitewater Canyon, ca. 2 miles north of Bonnie Bell. Open wash & alluvial benches. Comment
  UC6442  Eriogonum saxatile H. M. Hall 1901-7-1 2324 Riverside near Tauquitz; San Jacinto Mountains 2590 Comment
  JOTR00998  Eriogonum saxatile Cole, James E. 1941-5-29 s.n. Riverside Joshua Tree National Park. QUAIL MOUNTAIN 1493 Comment
  RSA222820  Eriogonum thomasii D. Atwood 1970-4-3 2371 Riverside 37 mi. north of Blythe on Hwy 95. Comment
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Jul 14 2012
  RSA784940  Eriogonum thomasii Duncan S. Bell 2012-2-12 3118 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  RSA788978  Eriogonum thomasii Aaron C. Sedgwick, David Fraker 2012-3-28 34 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  RSA796827  Eriogonum thomasii Jim Andre 2012-4-11 20784 Riverside Joshua Tree National Park; NW Eagle Mountains, along dirt road to Black Eagle Mine, 0.7 miles east of road to Cottonwood Spring (Utah Trail), 34 miles south of Highway 62 at 29 Palms. 730 Comment
  UC634598  Eriogonum thomasii Margaret Stason 1927-2-12 Riverside 1000-Palm Canyon Colorado Desert, 1000-Palm Canyon Comment
  UCD101274  Eriogonum thomasii N. D. Atwood 1970-4-3 2371 Riverside 37 miles north of Blythe on Hwy 95. Comment
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Jul 14 2012
  UCR104834  Eriogonum thomasii George K. Helmkamp 1998-4-4 3171 Riverside Sonoran (Colorado) Desert, 7.1 miles north of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station 305 Comment
  UCR245950  Eriogonum thomasii Duncan S. Bell 2009-3-7 08 Riverside Arica Mountains, east side of range, c. 1.7 miles west of Priest Well 431 Comment
  UCR90320  Eriogonum thomasii 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
  UCSB1538  Eriogonum thomasii Haller, John 1960-4-2 Riverside north base of Orocopia Mtns; 1.3 miles south of the junc. of US 60-70 and the south entrance road to Joshua Tree Nat. Mon 487 Comment
  SEINET5331694  Eriogonum thomasii I. W. Clokey 1935-4-17 6581 Riverside Cottonwood Springs. Comment
  RSA736288  Eriogonum thurberi Scott D. White, Justin M. Wood 2008-5-13 11958 Riverside Perris Basin: I-215 freeway right of way. South of Scott Rd. Comment
  SD38957  Eriogonum trichopes Edith A. Purer 1935-4-21 6460 Riverside Desert floor, near Palm Springs Comment
  RSA785069  Eriogonum wrightii var. membranaceum Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 77 Riverside Belvedere road, turn from Hwy 74, uphill towards white rocks. Comment
  LA207103  Eriogonum wrightii var. nodosum Louis C. Wheeler; 1933-12-1 2294 Riverside San Jacinto Mountains, Mouth of Tahquitz Canyon 152 Comment
  LA207107  Eriogonum wrightii var. nodosum Carl Epling; William Robison 1933-6-26 Riverside Little San Bernardino Mountains, Key's View 1523 Comment
  POM183985  Eriogonum wrightii var. nodosum P. A. Munz 1932-10-16 12852 Riverside North base Santa Rosa Mountains, road Indio to Vandeventer Flat 610 Comment
  RSA65012  Eriogonum wrightii var. nodosum F. W. Peirson 1920-12-28 2340 Riverside Along Palm Canyon stream below the Canyon. Comment
  SDSU4085  Eriophyllum confertiflorum H. Wedberg 1962-5-23 946 Riverside 4.8 miles from Hwy 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
  GMDRC2040  Eriophyllum confertiflorum var. confertiflorum J. Andre 2006-4-26 6746 Riverside Little San Bernardino Mountains: Joshua Tree National Park: about 0.5 mi. NNE. of Rattlesnake Spring, on ridge just south of radio tower and NE corner of park boundary. Near 34.07623 deg. N 116.44711 deg. W. Elev. 4332 ft. 1321 Comment
  JOTR32188  Eriophyllum confertiflorum var. confertiflorum Harding, Mitzi & Herskovits, Tasya, D. Oquendo 2011-5-5 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Gravelly hills above canyon wash (Stop 3) 1217 Comment
  UC668358  Eriophyllum confertiflorum var. confertiflorum Annie M. Alexander and Louise Kellogg 1941-4-24 2073 Riverside gorge of Dry Morongo Creek; Morongo Valley 640 Comment
  UCR110960  Eriophyllum confertiflorum var. confertiflorum George K. Helmkamp 1998-6-27 4088 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
  HSC93125  Eriophyllum multicaule Karen Kirtland 1993-4-17 Riverside Hills N of Temecula Comment
  POM13860  Eriophyllum multicaule P. A. Munz 1922-4-29 5080 Riverside Sedco Station, Temescal Canyon Comment
  RSA628478  Eriophyllum wallacei A. C. Sanders 1994-5-29 14579 Riverside East Branch Millard Canyon, along Forest Service Road 4S45. 1200 Comment
  RSA736033  Erodium brachycarpum Scott D. White, Jamie Minor 2008-3-13 11766 Riverside San Gorgonio Pass: Banning: S of Union Pacific RR, powerline route from Sunset Ave to 1 mile W. 732 Comment
  UCR114606  Erodium brachycarpum Mitch Provance 1999-3-5 1058 Riverside Jurupa Mountains, Extreme W end of the Jurupa Range, c. 0.6 miles west of pk. 1437. 335 Comment
  SD28019  Erodium cicutarium Carl B. Wolf 1932-4-27 3035 Riverside Mecca, 0.75 mile west of Utopia. 500 Comment
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Dec 11 2011
  SDSU12924  Erodium cicutarium Jutta Buschbom 1991-5-1 37 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
  UC1930017  Erodium cicutarium Scott D. White, Justin Wood 2008-5-15 11969 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. Comment
  UCR226078  Erodium macrophyllum A. C. Sanders, T. B. Salvato 2011-4-1 38947 Riverside Peninsular Range, Lake Elsinore, SW of Baker St. along dirt branch road to microwave tower, near large water tank on hill 409 Comment
  UCR113636  Eryngium aristulatum var. parishii June Latting 1978-6-4 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, Mesa de Colorado 640 Comment
  SD218386  Erythranthe diffusa P. A. Munz 1922-4-30 5153 Riverside Hills south of Tuscaloa Creek on road from Aguanga. Comment
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Feb 18 2013
  RSA0020242  Erythranthe floribunda Scott D. White, Justin M. Wood 2008-7-8 12396 Riverside San Jacinto Mountains: Johnson Meadow. 1439 Comment
  RSA0014876  Erythranthe floribunda J. D. Olmsted 1959-4-18 423 Riverside 3 miles N of Elsinore on Hwy 71 in weedy area on east side of road. Base of Santa Ana Mountains. Drainage to Santa Ana River. 335 Comment
  SD186340  Erythranthe guttata T. B. Salvato, Melissa Clemons 2005-6-23 1307 Riverside Temescal Valley: Walker canyon, 1.5 mi due E of Alberhill, N of Hwy I-15, stream at base of canyon 412 Comment
  SD212732  Erythranthe guttata T. B. Salvato, John F. Green 2004-5-27 602 Riverside San Bernardino Mountains; head of Banning Canyon close to the San Bernardino County line, 0.5 mile southeast of Oak Glen Conservation Camp. 1402 Comment
  CAS-BOT-BC403359  Eschscholzia californica Steve Boyd 1986-4-22 1752 Riverside Temescal Canyon: Stable alluvial benches of Indian Wash just south of Interstate 15 Comment
  RSA543193  Eschscholzia californica var. peninsularis Steve Boyd, Tim S. Ross, Mike Hammitt 1991-5-2 6113 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  JEPS51695  Eschscholzia minutiflora W. L. Jepson 1927-4-12 11653 Riverside Painted Canyon Mecca Hills 76 Comment
  RSA776629  Eschscholzia minutiflora Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 943 Riverside Wash crossing Midland Rice Road, near saddle between Little Maria Mountains and Big Maria Mountains 320 Comment
  RSA779722  Eschscholzia minutiflora Duncan S. Bell 2009-3-8 90 Riverside Arica Mountains: west side of mountain range in main western drainage approximately 2.5 air miles west of Priest Well or approximately 7 air miles southwest of the ghost town of Rice. 420 Comment
  SBBG81646  Eschscholzia minutiflora S. A. Junak 1983-3-23 1640 Riverside E side of Jefferson Rd across from entrance to Cahuilla Lake County Park, S of Indio Comment
  RSA0023130  Eschscholzia papastillii Michael Honer, L. Hulse 2005-3-7 2031 Riverside Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs. 488 Comment
  UCR120658  Eucrypta chrysanthemifolia D. E. Bramlet, P. Jacks, S. Goode 1989-4-6 1807 A Riverside Perris-Aguanga Basin, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  SD137734  Eucrypta chrysanthemifolia var. chrysanthemifolia Darin L. Banks, Steve Boyd 1995-4-5 159 Riverside Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove, east of the Dripping Springs Trail. 609 Comment
  UC702031  Eucrypta chrysanthemifolia var. chrysanthemifolia Frank W. Gould 1943-4-17 2114 Riverside 12 mi s Corona (on Elsinore road) Comment
  UCR279516  Eucrypta micrantha A. C. Sanders, Jim Malusa 2017-3-27 43104 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
  UCD170236  Euonymus occidentalis var. parishii K. M. Meyer; A. Townesmith 2007-3-16 19 Riverside San Bernardino National Forest. Fuller Mill Creek. 17.6 m S on Hwy 243 (off of I-10). 1572 Comment
  UCR240266  Euphorbia abramsiana Neal Kramer, Wendy McBride, Kyle Christie, Suzanne Rhodes 2012-9-5 2072 Riverside Sonoran (Colorado) Desert, NW of Blythe, north side of 6th Ave. c. 1/2 mile west of Colorado River 87 Comment
  UCR112314  Euphorbia albomarginata A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23444 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
  UCR152632  Euphorbia albomarginata A. C. Sanders 2005-4-22 29600 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  OBI14370  Euphorbia micromera Robert F. Hoover 1966-10-15 10154 Riverside Dead Indian Creek Wash, S of Palm Desert Comment
  UCR132715  Euphorbia ophthalmica A. C. Sanders, G. K. Helmkamp 1996-3-17 17992 Riverside Coachella Valley, Rancho Mirage, intersection of Dinah Shore Dr. and Duval Dr., at Cathedral City limits, 2 mi. east of Date Palm Dr. and 2 mi. south of Ramon Rd 98 Comment
  RSA432444  Euphorbia palmeri Albert J. Perkins 1916-9-2 s.n. Riverside Idylwild Comment
  UC162561  Euphorbia palmeri H. M. Hall 1898-6-30 Riverside s side San Jacinto Mountains 1600 Comment
  UCR213543  Euphorbia polycarpa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37828 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
  UCR262886  Euphorbia polycarpa Sarah J. De Groot, Cheryl Sevilla 2014-9-11 7299 Riverside Sonoran (Colorado) Desert, along Midland Road near Cox, southwest of Big Maria Mountains, east-southeast of Little Maria mountains, north of McCoy Wash, c. 5.4 miles northwest of 'Buzzardville,' 10.9 miles north of the Riverside County disposal site, c. 15 miles northwest of Blythe 245 Comment
  RSA0015423  Euphorbia polycarpa var. polycarpa Marcus E. Jones 1929-9-16 s.n. Riverside Hayfield, Near Desert Center. Colorado Desert. Comment
  RSA286807  Euphorbia spathulata R. F. Thorne 1974-5-23 44675 Riverside Santa Rosa Plateau, Rancho California: Top of Mesa de Colorado, 624 Comment
  RSA559930  Euphorbia spathulata Steve Boyd 1992-4-18 6899 Riverside Paloma Valley, between Sun City and Murrieta, E of Hwy I-215. Rolling Hills just SW of Jtn Briggs Rd and Scott Rd. Comment
  RSA612273  Eustoma exaltatum Louis C. Wheeler 1933-8-13 2078 Riverside Santa Ana River at Chino Creek. 152 Comment
  UC56492  Eustoma exaltatum F. Gilman 1902-1 23 Riverside Palm Springs Comment
  CAS-BOT-BC167364  Fagonia laevis J. C. Roos 1966-3-26 s.n. Riverside 2 miles S.E. of Desert Center Comment
  CAS-BOT-BC167369  Fagonia laevis Ynez Whilton Winblad 1937-4-23 s.n. Riverside Pines to Palms Highway, Mt. San Jacinto 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
  RSA703813  Fagonia laevis LeRoy Gross 2005-3-3 1594 Riverside Palen Mountains, south side. Near end of old prospect road. [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  RSA709875  Fagonia laevis Sarah J. De Groot, Leland Lubinsky, Naomi S. Fraga, Lisa Rojas 2005-2-10 4620 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UCD170726  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
  JOTR31943  Fagonia pachyacantha La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2181 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky drainages feeding into southwest Pinkham Wash Comment
  RSA605772  Fagonia pachyacantha A. C. Sanders 1995-5-23 17115 Riverside Colorado Desert, Coachella Valley: alluvial fans below the Santa Rosa Mtns., N of Toro Cyn., W of Monroe St., S. of Ave. 62 15 Comment
  CDA22198  Fatoua villosa A. C. Sanders 2004-8-1 28766 Riverside Perris-Aguanga Region; 3 miles ENE of Perris, new nursery growing grounds W of Menifee Rd. (=Pozos Av.) & S of Nuevo Rd., between San Jacinto River and Nuevo. Comment
  UCD170913  Fatoua villosa A. C. Sanders; T. B. Salvato 2001-10-8 24878 Riverside Santa Ana River Valley Region, Riverside, UCR Campus in old Citrus Expt. Station lath house near the intersection of S Campus Dr. and E Campus Dr., just north of the reservoir. 351 Comment
  UCR156298  Festuca myuros T. B. Salvato, Kent Beaman 2005-5-16 831 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
  UCR171957  Festuca myuros John F. Green 2006-4-18 s.n. Riverside NE of Murrieta, just south of Los Alamos Rd. ('Clinton Keith Rd.'), on E and W sides of Liberty Rd. border between City of Murrieta and unincorporated French Valley 415 Comment
  UCR207376  Festuca myuros O. F. Clarke 2004-2-26 s.n. Riverside Peninsular Range, eastern edge of Riverside; Box Springs Mtns, Two Trees Canyon 412 Comment
  UCR108880  Festuca octoflora Heidi A. Haid 1968-5-19 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR177862  Filago depressa Marisa Sripracha, K. A. Boyd 2004-3-21 044 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  RSA343868  Filago gallica R. F. Thorne, Walter Wisura, E. W. Lathrop, Sara Meury 1985-5-18 60660 Riverside Santa Rosa Plateau: at edge of Cleveland National forest 610 Comment
  UCR207619  Forestiera pubescens O. F. Clarke 2005-10-15 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River c. 200 m below old Salt Lake Railroad bridge 215 Comment
  UCR114309  Frankenia salina Julie A. Greene 1993-4-30 1267 Riverside Perris-Aguanga Basin region, San Jacinto Valley, San Jacinto Wildlife Area. north of San Jacinto River drainage. 433 Comment
  UCR137358  Frasera parryi 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
  UCR133455  Fraxinus dipetala Tracy Tennant, J. S. Ross 1998-7-30 MOR- 674 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Hathaway Canyon, slope above and west of polygon H3. 976 Comment
  UCR92241  Fraxinus dipetala Scott D. White 1994-3-29 1935 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  VVC320  Fraxinus dipetala A. C. Sanders 1997-5-4 320 Riverside San Jacinto Mountains, N side of the range, 0.2 mi. N of Twin Pines Ranch Road on the dirt road to Brown Creek and Cabazon. 1098 Comment
  UC22603  Fraxinus velutina Mrs. Flora C. R. Price 1901-8-1 Riverside sw base San Jacinto Mt. 670 Comment
  UCR275945  Galium andrewsii T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3788 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
  SEINET237962  Galium angustifolium A. C. Sanders, T. B. Salvato 2000-5-25 23396 Riverside Menifee Valley: S of Newport Rd. N of Holland Rd. and E of Bradley Rd. 2 miles due east of Railroad Canyon Lake. 439 Comment
  UCR271515  Galium angustifolium T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8357 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  UCR59661  Galium angustifolium Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3527 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, hills just to SW of the dam 489 Comment
  POM187408  Galium angustifolium subsp. angustifolium L. Crutcher 1933-8-1 14 Riverside Camp Tahquitz, San Jacinto Mtns. Comment
  POM337416  Galium angustifolium subsp. angustifolium F. R. Fosberg 1929-5-3 S 1029 Riverside Head of Temecula Valley. Comment
  UCR111966  Galium angustifolium subsp. angustifolium A. C. Sanders, T. B. Salvato 2000-5-25 23396 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR3422  Galium angustifolium subsp. angustifolium Heidi A. Haid 1964-5-8 6458- 4 Riverside Riverside, Box Springs Mtns., c. 0.25 mi. above end of Blaine St 457 Comment
  SEINET3157822  Galium angustifolium var. pinetorum C. Epling, W. Robinson 1935-6-30 sn Riverside Between Pine Flat Camp and Tullers Mill, Mt. San Jacinto Comment
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Sep 23 2013
  UCR116586  Galium murale A. C. Sanders 2001-5-10 24251 Riverside San Bernardino Valley region, Riverside, Blaine St. at RR tracks near intersection with Watkins Dr. 335 Comment
  UC1375443  Galium parishii C. W. Tilforth 1970-9-2 303 Riverside along road to Santa Rosa Mtn. Comment
  CAS-BOT-BC178387  Garrya flavescens Marian L. Campbell 1921-3-22 21 Riverside Foothills near Yucaipa on road to Redlands Comment
  CLARK-A1528-5428  Garrya flavescens John C. Roos 1947-3-15 3337 Riverside San Jacinto Mountains 1462 Comment
  RSA221006  Garrya veatchii E. W. Lathrop 1966-4-20 6191 Riverside Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  RSA343109  Gastridium phleoides R. F. Thorne, Walter Wisura, Lathrop, Meury 1985-5-18 60647 Riverside Santa Rosa Plateau: Mesa de Colorado 625 Comment
  CAS-BOT-BC303566  Geraea canescens K. Larson 1977-5-12 60062 B Riverside Wiley Wells Rd ca 20 miles W of Blythe Comment
  CLARK-A1656-606  Geraea canescens Lois Ann Scott 1977-12-23 Riverside Thousand Palms Oasis 152 Comment
  RSA155569  Geraea canescens L. S. Rose 1962-3-2 s.n. Riverside La Quinta 3 Comment
  RSA680917  Geraea canescens Scott D. White, Michael Honer 2003-5-14 9272 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  SBBG32350  Geraea canescens L. S. Rose 1967-12-20 67183 Riverside ca. 6 mi SE of Thousand Palms 15 Comment
  RSA391013  Geranium richardsonii Anstruther Davidson 1876-6-7 1905 Riverside Strawberry Valley. San Jacinto Mt. Comment
  UCR100161  Gilia Scott D. White 1994-4-23 2041 Riverside San Bernardino Mtns., Millard Canyon, c. 5 air miles north of Cabazon: U.S. Forest Service Road 2S05.1, c. 1-1.5 mi. south of Millard Canyon Guard Station and junction of roads 2S05.2 & 2S05.1A (= East Branch) 1037 Comment
  SEINET7063459  Gilia achilleifolia subsp. multicaulis A. G. Vestal 1947-3-30 s.n. Riverside About 5 miles south of Winchester Road. French Valley. UTM Zone 11, 491934mE, 3721693mN. (WGS84/NAD83). 457 Comment
  RSA627297  Gilia angelensis George K. Helmkamp 1998-4-3 3083 Riverside West Palm Springs Village area, vic. of Hwy I-10 & Verbenia Ave.; 4 mi. N of Tamarack Rd on Cottonwood Rd. 1280 Comment
  SEINET7073453  Gilia angelensis A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  UCR116010  Gilia angelensis George K. Helmkamp, E. A. Helmkamp 1997-3-5 1335 Riverside San Bernardino Mtns./San Gorgonio Pass, Cabazon, 0.5 mi north of I-10 on Millard Pass Rd. 564 Comment
  UCR196893  Gilia angelensis A. C. Sanders, T. B. Salvato 2008-2-19 34424 Riverside San Bernardino Valley Region, Riverside, vacant lot at NW corner of the intersection of Chicago Ave. and M. Luther King (ex Pennsylvania) Ave. 296 Comment
  UCR48387  Gilia angelensis Steve Boyd 1986-4-22 1776 Riverside Gavilan Hills, Plateau remnant of ridge east of Estelle Mountain, south of Dawson Canyon. 671 Comment
  UCR114630  Gilia capitata 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
  UCR100177  Gilia splendens Scott D. White 1994-4-23 2039 Riverside San Bernardino Mtns., Millard Canyon, c. 5 air miles north of Cabazon: U.S. Forest Service Road 2S05.1, c. 1-1.5 mi. south of Millard Canyon Guard Station and junction of roads 2S05.2 & 2S05.1A (= East Branch) 1037 Comment
  JOTR34199  Gilia stellata La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2992 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  JOTR35208  Gilia stellata Harding, Mitzi, Tasya Herskovitz 2011-4-20 185 Riverside Joshua Tree National Park. Burned slopes above Keys View parking area 1597 Comment
  UCR146271  Gilia stellata J. M. Porter, Et al. 2001-4-2 12343 Riverside Colorado Desert; Western Colorado Desert region, Coachella Valley, c. 1 mi east of Desert Hot Springs, Long Canyon, on W side of Long Canyon Road 396 Comment
  UCR214284  Gilia stellata A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37489 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
  UCR275446  Gilia stellata Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-3-30 919 A Riverside Sonoran (Colorado) Desert, McCoy Wash, east side of McCoy Mountains, pavement plain, c. 7 miles north of I-10 335 Comment
  UCR41548  Gilia stellata A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6084 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  SD7669  Gilia tricolor Daniel Cleveland 1882-4-24 Riverside Copeland's, San Jacinto. Comment
  RSA445520  Glaucium flavum Donald A. Johansen 1933-7-14 710 Riverside Along road from Cherry Valley to Mesa Mira. 1372 Comment
  UCR264631  Glycyrrhiza lepidota Mitch Provance 2012-6-19 196- 05 Riverside San Bernardino Valley, Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave 226 Comment
  UCR114610  Gnaphalium canescens subsp. microcephalum Mitch Provance 1997-7-19 1106 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', or variously referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area of the city of Riverside. 305 Comment
  UCR119264  Gnaphalium canescens subsp. microcephalum Mitch Provance 1998-6-10 637 Riverside City of Riverside, East side of Pachappa Hill, as accessed from where Panorama road crosses the 91 freeway. 335 Comment
  POM11935  Gnaphalium chilense Mary F. Spencer 1921-5-28 1640 Riverside Near San Jacinto 549 Comment
  RSA502197  Gnaphalium chilense Steve Boyd, Tim Ross, L. Arnseth 1989-6-11 3705 Riverside Vail Lake area, sandy wash draining into Wilson Creek at E end of lake. Comment
  UCR182804  Gnaphalium leucocephalum A. C. Sanders 2001-11-3 24879 Riverside Peninsular Range, Temescal Canyon, 1.4 miles NW of Indian Truck Trail on (old) Temescal Canyon Rd., c. 0.25 mi. SE of freeway 311 Comment
  UCR92247  Gnaphalium luteoalbum Scott D. White 1995-7-7 3448 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  RSA741588  Gnaphalium palustre Scott D. White, Justin M. Wood 2008-6-17 12169 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  UCR195121  Gnaphalium stramineum A. C. Sanders, Tim Thomas 2008-8-1 35933 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1448 Comment
  UCR20734  Gnaphalium stramineum A. C. Sanders, Steve Boyd 1980-5-2 1404 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UC403461  Grusonia parishii Dr. P. A. Munz Apr. 1921 Riverside Little San Bernardino Mts. Comment
  JOTR34396  Guillenia lasiophylla Andre, Jim 2012-4-16 20928 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 2.4 miles north Cottonwood Visitor's Center 955 Comment
  RSA85146  Guillenia lasiophylla J. C. Roos 1952-4-9 5500 Riverside Mt Rubidoux. 396 Comment
  UCSB45957  Gutierrezia californica Roos, John 1965-6-21 Riverside The hills 2 miles south of Beaumont Comment
  SD5187  Gutierrezia sarothrae Fidella G. Woodcock 1928-4-27 Riverside San Jacinto Comment
  UCR82926  Haplopappus acradenius A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15818 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  SD137837  Harpagonella palmeri Darin L. Banks, Steve Boyd 1995-5-9 316 Riverside Northwest Palomar Mountains, north of the Agua Tibia Wilderness Area, west of the Dripping Springs Alcove Area, west of Woodchuck Campground. 730 Comment
  UCR260534  Harpagonella palmeri T. B. Salvato 2014-5-29 8048 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully, c. 1.13 mi west of Murrieta Rd and 4.10 mi southeast of Canyon Lake 537 Comment
  UCR1443  Hedypnois cretica Joyce Kleinjan 1961-4-23 s.n. Riverside San Bernardino Valley, Riverside, west border of 1012 Spruce St., 150 ft. south of street [O.F. Clarke residence] 351 Comment
  UCD132886  Helianthus annuus M. Wall 1996-7-6 193 Riverside Pensisular Ranges; Perris-Aguanga Basin region: San jacinto Valley, west side of Ramona Expressway north swale, 0.75 miles southeast of Sanderson Ave. Comment
  UCR107719  Helianthus annuus A. C. Sanders 1997-3-1 19739 Riverside Box Springs Mountains, Riverside: S end of the range along Gernert Rd. (dirt road paralleling the mountain front), in valley draining to Box Spring Canyon. 457 Comment
  SBBG45071  Helianthus californicus I. W. Clokey with E. G. Anderson 1935-8-21 6934 Riverside N fork of San Jacinto River 1500 Comment
  CLARK-A1528-246  Helianthus tuberosus Oscar F. Clarke 1969-9-28 Riverside Riverside Comment
  UCR16861  Hemizonia fasciculata William E. Wayburn 1973-5-26 730526- 2 Riverside Santa Ana Mtns, Santa Rosa Plateau, 9 mi east of DeLuz on Murrieta Road [Walker Basin area] 396 Comment
  POM17514  Hemizonia kelloggii P. A. Munz 1923-6-18 7124 Riverside 3 miles N of Lake Elsinore. 412 Comment
  UCR274307  Hemizonia kelloggii T. B. Salvato, Melissa Clemons 2005-6-6 1428 Riverside Peninsular Range, Gavilan Hills, c. 0.75 mile south-southeast of Steele Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore 579 Comment
  RSA614684  Hemizonia mohavensis A. C. Sanders, Schram, D. Wappler 1994-10-4 15774 Riverside San Jacinto Mts.: N slope of the Mts.; Azalea Creek ca. 0.5 mile SW of the Twin Pines Ranch buildings, at road crossing just outside the ranch fence. 1067 Comment
  UCR193745  Hemizonia mohavensis A. C. Sanders, Mitch Provance 2008-7-11 35749 Riverside Peninsular Range; San Jacinto Mtns., 3/4 mi. NE of Mountain Center, c. 1/4 mile NE of Keenwild Fire Station, near road to helipad 1494 Comment
  RSA683228  Hemizonia paniculata Scott D. White 2003-12-1 9892 Riverside Santa Ana River Valley; City of Riverside; (La Sierra area). 244 Comment
  RSA727715  Hemizonia paniculata R. E. Riefner 2006-9-19 06 -444 Riverside Temecula Valley, c. 0.2 mi. west of I-15 Freeway along Temecula Creek, head of Santa Margarita River. 301 Comment
  UCR16863  Hemizonia paniculata H. C. Sharma 1976-4-20 760420- 04 Riverside UCR campus, about 40 ft north of northern parking lot of Bannockburn Comment
  UCR209328  Hemizonia paniculata Fred M. Roberts 2009-9-10 7160 Riverside Murrieta, Murrieta Hot Springs along Murrieta Hot Springs Road, c. 0.6 km by road northwest of the junction with Winchester Road 345 Comment
  UCR90423  Hemizonia paniculata D. L. Banks, Steve Boyd 1995-10-26 0829 Riverside NW Palomar Mtns., Agua Tibia Mtns; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Woodchuck Trail, at the large grassland area along the upper trail. Approx. 1.6 mi from the Wilderness boundary 939 Comment
  RSA450756  Hemizonia pungens subsp. laevis J. C. Roos 1965-6-21 s.n. Riverside San Jacinto Comment
  UCR80664  Hemizonia pungens subsp. laevis G. R. Ballmer 1992-6-23 92 10 Riverside San Timoteo Canyon, 3.2 mi SE of Redlands Blvd. Comment
  UCR230594  Hemizonia pungens subsp. pungens Jeremiah George 2011-8-9 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, Moreno Valley, NW corner of Indian St. and Nandina Ave. 450 Comment
  SD137990  Hesperoyucca whipplei Steve Boyd, Darin Banks 1995-4-5 8433 Riverside Palomar Range; Agua Tibia Wilderness Area; See notes for further information. Comment
  SDSU11463  Hesperoyucca whipplei James C. Dice, J. D. Tenhunen 1987-9-9 721 Riverside ca. 1.6 km NNW of Royal Oak Ranch. T8S, R3W, northeast 1.4, of northwest 1/4 of section 35. 390 Comment
  UCSB17459  Hesperoyucca whipplei Lockwood, Leo 1963-5-4 Riverside W side of banning-Idyllwild Road, 4 miles S of U.S. Highway 60, 70, 99 762 Comment
  SEINET3412080 Image available Hesperoyucca whipplei var. whipplei Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28525 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 1236 Comment
  RSA720461  Heterocodon rariflorum Naomi Fraga, Steve Boyd, Sarah Siedschlag 2006-5-22 1680 Riverside On road the leads to Duchess Canyon, east of Fobes Ranch. 1677 Comment
  UCR193526  Heterocodon rariflorum A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35567 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, slope below May Valley Rd. toward meadow on nameless tributary NW of Herkey Crk., north of Bonita Vista Rd. 1555 Comment
  CLARK-A1528-3994  Heteromeles arbutifolia John C. Roos, Lucille Roos 1952-6-21 5780 Riverside Reche Canyon 487 Comment
  RSA0074602  Heterotheca fastigiata J. C. Roos, Lucille Roos 1949-9-17 4657 Riverside Whitewater Wash, 2.2 miles N of Whitewater. 518 Comment
  RSA0075886  Heterotheca grandiflora D. L. Banks, S. D. Boyd 1995-2-16 0045 Riverside [NW Palomar Mountains; Agua Tibia Mountains] Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., on the Dripping Springs Alcove, E of the Woodchuck Trail. 710 Comment
  SD122196  Heterotheca grandiflora James C. Dice, J. DeWald 1987-9-28 729 Riverside North side of Temecula Gorge, near entrance to field station site, ca. 4.5 km east-northeast of Gavilan Mountain. Occasional weed in disturbed roadside habitats. (IPB 1/07) 330 Comment
  UCR119441  Heterotheca sessiliflora subsp. echioides A. C. Sanders, Mitch Provance 1999-9-26 23088 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  RSA4875  Hibiscus denudatus Carl B. Wolf 1932-4-3 2991 Riverside Colorado Desert, 14 mi E of Mecca on Blythe road. 152 Comment
  RSA734955  Hibiscus denudatus Keith E. Hoffmaster 1935-3-31 595 Riverside Palm Springs Comment
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Aug 27 2011
  SD258431  Hibiscus denudatus J. M. Andre 2013-3-4 23876 Riverside Riverside Mountains; east side of range, along rocky dirt road to historic mine area, 0.8 mile west of Hwy 95, approx 12 miles S of Vidal Jct. 127 Comment
  UCR244888  Hibiscus denudatus A. C. Sanders, T. B. Salvato 2012-10-12 40405 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass, 7.6 km (c. 4.5 mi.) above the road to Chuckwalla Spring on Graham Pass Rd. 387 Comment
  RSA0016768  Hippuris vulgaris Louis C. Wheeler 1961-6-24 7905 Riverside San Jacinto Mountains: Fulmor Lake.. . Comment
  HSC84138  Hirschfeldia incana K. Seydel 1987-4-4 2 Riverside UCR campus, behind Lothian dorm, between Watkins Dr. and Big Springs Rd. 274 Comment
  CAS-BOT-BC540739  Hoffmannseggia glauca Sarah J. De Groot; Amy Rouillard 2015-9-15 7570 Riverside Ford Dry Lake, Chuckwalla Valley, N of I-10 106 Comment
  JEPS121511  Hoffmannseggia microphylla Adam C. Schneider with Will Freyman 2014-2-16 356 Riverside Bottom of Box Canyon Road Comment
  SFV6302  Hoffmannseggia microphylla T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 56 Riverside Little San Bernardino Mountains Little San Bernardino Mountains. Berdoo Canyon. Comment
  UCD105857  Hoffmannseggia microphylla Geoffrey Levin 1976-10-17 1188 Riverside Box Canyon, about 11 mi. east of Mecca. 91 Comment
  RSA617999  Hordeum depressum R. E. Riefner 1998-4-22 98 -289 Riverside Elsinore Trough between Willard and Murrieta Creek. Lake Elsinore. Comment
  UCR162940  Hordeum depressum Fred M. Roberts, D. E. Bramlet 2005-4-1 6147 Riverside Upper Salt Creek, W of Hemet, parcel between Devonshire and Florida, c. 0.2km N of Florida and 0.2km W San Diego Aquaduct; c. 2km NW Ryn Field 457 Comment
  UCR104092  Hordeum intercedens D. E. Bramlet 1996-5-4 2465 Riverside San Jacinto Valley, San Jacinto Wildlife Area, at the entrance to Marsh A, approximately 15 m from the southern levee of Pond No. 1, approximately 1.5 km NE of the reserve entrance at Davis Road 433 Comment
  UC32857  Hulsea vestita subsp. callicarpha H. M. Hall 1901-8-8 2682 Riverside vicinity of Chalk Hill 1645 Comment
  UCR95940  Hulsea vestita subsp. callicarpha Scott D. White 1996-8-1 4436 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  JOTR31111  Hulsea vestita subsp. parryi Harding, Mitzi, T. Herskovits 2011-5-21 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; approx. 1 mile west of Eureka Peak 1398 Comment
  RSA0106699  Hymenoclea salsola Duncan S. Bell, Thomas Stoughton 2010-3-19 568 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2.25 air miles west of Priest Well. 439 Comment
  RSA796456  Hymenoclea salsola Duncan S. Bell 2009-4-18 220 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  UCR16694  Hymenoclea salsola R. L. Lasby 1969-5-3 17 Riverside San Bernardino Mtns/Colorado Desert, canyon 3 miles NE of Cabezon 671 Comment
  UCR23778  Hymenoclea salsola John C. Roos 1947-3-1 3300 Riverside Salton Sea, 2 mi. NW of Travertine Rocks, NW side of Salton Sea. 1006 Comment
  UCR687  Hymenoclea salsola S. C. Warner 1956-4-28 s.n. Riverside Sonoran Desert, Small canyon in hills east of Morongo Wash Road Comment
  RSA5236  Hypericum androsaemum C. B. Wolf 1932-8-5 3960 Riverside On trail from Tahquitz Valley to San Jacinto Peak; head of a fork of Tahquitz Creek. San Jacinto Mountains. 2744 Comment
  RSA502895  Hypochaeris glabra Ed LaRue 1989-3-30 s.n. Riverside Rancho California area, ca. 4 miles W of Temecula,with Ave. del Oro as the N boundary. 381 Comment
  RSA657673  Hypochaeris radicata Michael J. Graeser 1988-5-12 37 Riverside Soquel Canyon. Intersection of Coronet and Woodview. SE corner. Comment
  CAS-BOT-BC219729  Hyptis emoryi L. S. Rose 1927-2-3 s.n. Riverside Palm Springs Comment
  CAS-BOT-BC219742  Hyptis emoryi L. S. Rose 1946-12-27 46308 Riverside Dead Indian Creek Wash, Palms-to-Pines Highway, 7 miles southwest of Indian Wells 274 Comment
  HSC84091  Hyptis emoryi Aaron Liston, T. S. Elias, O. R. Dorado, S. Zona 1986-11-29 64019 Riverside Painted Canyon, Mecca Hills Comment
  LA27349  Hyptis emoryi L. S. Rose; 1946-12-27 46308 Riverside Dead Indian Creek Wash, Palms to Pines Highway, 7 mi. SW of Indian Wells 274 Comment
  RSA38873  Hyptis emoryi E. A. Purer 1933-3-25 4980 Riverside Palm Springs. Comment
  SD95168  Hyptis emoryi G. L. Webster, R. Hildreth 1966-12-9 7458 Riverside Joshua Tree Nat Monument, desert slopes, 3 mi W of Cholla Gardens 853 Comment
  UCSB52979  Hyptis emoryi Pritchett, David; Fulton, M. 1986-3-9 Riverside Box Canyon Wash 6 miles east of Mecca on Hwy. 195 Comment
  RSA557361  Isocoma menziesii Julie Greene 1993-6-11 1332 Riverside North of new pond. 441 Comment
  SD227747  Isocoma menziesii var. vernonioides A. C. Sanders, K. C. Rose 1998-9-29 22244 Riverside San Jacinto Valley: west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills 459 Comment
  UCR20831  Isomeris arborea A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1299 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  CLARK-A1045-339  Jepsonia parryi George K. Helmkamp 1978-5-2 Riverside Bautista Canyon burn; Bautista Road; Hemet 15'Q Comment
  CAS-BOT-BC101887  Juglans californica A. C. Sanders; K. C. Rose 1999-6-18 22803 Riverside Skinner/Domenigoni area: French Valley, E side of Washington Ave., 1/2 mile S of Rawson Rd. (Winchester 7.5' Q.) 439 Comment
  UCR209199  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37147 Riverside Peninsular Range, Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  UCR59802  Juncus balticus Jeri Hirshberg 1989-7-14 s.n. Riverside Lake Perris, east end of lake 488 Comment
  UCR19750  Juncus bufonius E. W. Lathrop 1966-5-11 6281 Riverside Santa Ana Mtns., Santa Rosa Plateau, 3 mi SW of Murrieta on the De Luz Road, first canyon to the right of the road 396 Comment
  JOTR32467  Juncus bufonius var. bufonius La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2612 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  UCR187313  Juncus duranii Naomi Fraga, Et al. 2006-7-11 1723 Riverside San Jacinto Mountains, Mount San Jacinto State Park, Hidden Lake 2652 Comment
  UCR202607  Juncus effusus Scott D. White, Justin M. Wood 2008-7-9 12420 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  SBBG57286  Juncus macrandrus R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns 1828 Comment
  UCR40551  Juncus macrophyllus Steve Boyd 1985-7-23 1020 Riverside Peninsular Range, De Luz Road, 8 mi west of Rancho California. Side canyon of Sandia Creek 305 Comment
  JOTR35513  Juncus mexicanus La Doux, Tasha, M. Harding, K. Callahan, D. Shade, M. Wheeler, T. Herskovits 2013-6-5 3200 Riverside Joshua Tree National Park. Little San Bernardino Mtns, lower Smithwater Canyon 1219 Comment
  RSA0097956  Juncus mexicanus Duncan S. Bell 2014-11-14 7717 Riverside Santa Rosa Mountains; in the Santa Rosa Wilderness area; west side of Martinez Mountain; collecting at Cactus Spring. 1292 Comment
  UCR116006  Juncus mexicanus A. C. Sanders, D. Bramlet, E. J. Lawlor, C. L. Sanders 2000-1-16 23303 Riverside Shipley-Skinner Reserve, Tucalota Creek at horse trail crossing east of Lake Skinner 457 Comment
  RSA678972  Juncus rugulosus Scott D. White, Michael Honer 2003-6-3 9456 Riverside Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UC165054  Juncus torreyi S. B. Parish 1912-6-28 8120 Riverside Mecca Colorado Desert, Salton Basin Comment
  RSA356641  Juniperus californica Robert F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. Lathrop 1975-8-29 47295 Riverside Santa Rosa Plateau: Cleveland National Forest, along Tenaja Creek at Tenaja Guard Station. Comment
  RSA697386  Juniperus californica W. Blanchard 1932-11-11 s.n. Riverside About 3 mi. S. of Palm Springs Station. Comment
  CAS-BOT-BC234586  Justicia californica B. Trowbridge 1979-4-17 6099 Riverside Lower Cottonwood Springs Wash, north of Interstate 10 457 Comment
  JEPS9192  Justicia californica Marjorie D. Clary 1934-3-3 Riverside 18 mi. w. of Indio (Carrizo Canyon); Carrizo Canyon 304 Comment
  RSA402304  Justicia californica Christopher Davidson 1973-4-1 1846 Riverside Palm Springs. 488 Comment
  SEINET10437711 Image available Justicia californica J. R. Haller 1960-4-2 1552 Riverside North side of US Highway 60-70, 1.7 miles west of the south entrance road to Joshua Tree National Monument, about 22 miles east of Indio 488 Comment
  SEINET2163468 Image available Justicia californica A. J. Breitung 1953-6-12 15529 Riverside Palm Springs Comment
  UCR226997  Justicia californica Jim Andre 2011-2-2 16217 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
  CLARK-A1528-4430  Kallstroemia californica John C. Roos 1963-10-24 Riverside Hayfield Comment
  UCR19246  Kallstroemia californica John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, 17 miles west of Blythe 122 Comment
  RSA16377  Keckiella antirrhinoides Percy C. Everett 1935-6-17 7142 Riverside Coldwater Can. , trail to Santiago Pk. 1/3 mi. above Glen Ivy Resort. 457 Comment
  RSA525429  Keckiella antirrhinoides Steve D. Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4538 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  UC27390  Keckiella antirrhinoides H. M. Hall Jun 1901 2016 Riverside Canyon of the San Jacinto River; San Jacinto Mountains 762 Comment
  UCR151958  Keckiella antirrhinoides Steve Boyd, Aydee Virgen 2004-4-13 10855 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  UCR154757  Keckiella antirrhinoides T. B. Salvato, Kent Beaman 2005-5-16 784 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
  SEINET13768165  Keckiella antirrhinoides I. W. Clokey, C. B. Clokey, B. C. Templeton 1930-4-15 4742 Riverside Perres-Gavilan Peak 500 Comment
  SD258959  Keckiella antirrhinoides var. antirrhinoides Sarah J. De Groot, Thomas Stoughton 2016-4-20 7809 Riverside Along Pacific Crest Trail just west of the Whitewater Preserve and Whitewater River; southeast foot of San Bernardino Mountains, north of Interstate 15. 769 Comment
  JOTR35446  Keckiella antirrhinoides var. microphylla Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 50 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop2) Comment
  CAS-BOT-BC246203  Keckiella rothrockii Carl B. Wolf 1932-8-5 3933 Riverside Summit of Devil's Slied, trail from Idyllwild to Tahquitz Valley, San Jacinto Mts. 2438 Comment
  RSA629035  Kochia scoparia Scott D. White 1998-7-4 6846 Riverside Corona: River Road bridge over the Santa Ana River. 152 Comment
  CLARK-A1528-4699  Koeleria macrantha John C. Roos 1952-4-29 5598 Riverside Reche Canyon 457 Comment
  CLARK-A1528-68  Koeleria macrantha C. M. Flanagan 1973-5-20 OO 530 Riverside Morongo Indian Reservation 1158 Comment
  LA45673  Krameria bicolor K. Kinsel; 1930-4-5 sn Riverside Box Canyon Comment
  SBBG114130  Krameria bicolor E. Collins 1995-4-9 Riverside Corn Springs Cmpgrd 518 Comment
  SD216488  Krameria bicolor Jay B. Walker 1995-5-4 1417 Riverside San Bernardino National Forest. Highway 74, 3 kilometers east of junction with Santa Rosa Mountain Road. 1399 Comment
  RSA161076  Krameria erecta Peter H. Raven 1958-5-18 12999 Riverside 4.9 miles NE of Pinyon Flats, San Jacinto Mtns. Comment
  UCR17325  Krameria erecta Loretta Bates 1978-4-15 s.n. Riverside Chuckwalla Mtns, Corn Springs Road, c. 1 mi east of Corn Springs Campground Comment
  CLARK-A1528-5489  Krameria grayi John C. Roos 1948-4-24 3804 Riverside Whitewater Comment
  POM1809  Krameria grayi I. M. Johnston 1917-4-4 s.n. Riverside Andreas Canon. Comment
  RSA688863  Krameria grayi Scott D. White, Michael Honer 2003-5-13 9237 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon washWhitewater Canyon, ca. 2 miles north of Bonnie Bell. 579 Comment
  UCR279388  Lactuca serriola A. C. Sanders, Jim Malusa 2017-3-24 42982 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in canyon draining south toward Iris Wash, c. 3.5 km ESE of Iris Pass 701 Comment
  SEINET5560172  Lamarckia aurea H. S. Gentry 1973-1 22192 Riverside Gentry ranch, 3.5 miles NE of Murrieta. 396 Comment
  UCR180576  Lamarckia aurea Scott D. White, Angelia Carey 2004-4-5 10036 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  RSA198982  Lamarckia aurea R. F. Thorne, P. A. Munz, E. Lathrop 1968-5-8 37584 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California 671 Comment
  UCR97440  Lamium amplexicaule A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19861 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  RSA552686  Lamium amplexicaule Steve Boyd 1992-2-26 6694 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  UCR72195  Langloisia setosissima Theo Glenn 1991-5-21 91- 107 Riverside Sonoran (Colorado) Desert, Arica Mtns, SW of Rice. Near old Priest Mine 421 Comment
  RSA77075  Langloisia setosissima subsp. setosissima F. W. Peirson 1927-4-12 7177 Riverside Painted Canyon, near Mecca. Central part of Painted Canyon Comment
  JOTR32608  Larrea tridentata La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2672 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
  POM310157  Larrea tridentata Hulda Crooks 1946-3-2 265 Riverside Palm Springs area. 139 Comment
  POM8310  Larrea tridentata Mary F. Spencer 1920-4-9 223 Riverside In desert sand. Palm Springs. 122 Comment
  UCR75054  Larrea tridentata A. C. Sanders, E. J. Lawlor 1992-4-4 12096 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCSB9623  Larrea tridentata Van Leeuwen, Henry 1957-4-12 Riverside Whitewater Canyon, 1 mi from US 101 Comment
  SD181385  Lastarriaea coriacea Rashmi Pant, Darin Banks 1996-5-13 1024 Riverside NW Palomar Mtns. Agua Tibia Mountains. Foothills S of Hwy 79; E of the Dripping Spring Campground, E of the Dripping Springs Guard Station Comment
  UCD98953  Lastarriaea coriacea B. Pitzer 1997-3-23 2979 Riverside Lakeview Mtns, ca. 1 air mi. SSW of Mt. Rudolph, along powerline rd .3 mi. E of Contour (Juniper Flats) Rd. 609 Comment
  SEINET6083065  Lasthenia californica Unknown 1996-4-19 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  RSA585501  Lasthenia coronaria D. L. Banks, S. D. Boyd 1995-5-9 0363 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, W of the Dripping Springs Alcove, W of Woodchuck Campground. 793 Comment
  UC63214  Lasthenia coronaria H. M. Hall 1903-4-1 3832 Riverside vicinity of Riverside 365 Comment
  RSA612475  Lasthenia gracilis D. L. Banks 1997-3-1 1342 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Pechanga Creek, east of the ''Fiesta Grounds'' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation. 423 Comment
  UC1536905  Lasthenia gracilis G. H. True 1935-3-19 132 Riverside 6 mi se Perris 487 Comment
  UCR140447  Lasthenia gracilis A. C. Sanders, Guy Bruyea 2004-4-2 27425 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  JOTR29582  Layia glandulosa Andre, Jim 2006-4-6 6714 Riverside Joshua Tree National Park. Along Desert Queen Mine Rd 1362 Comment
  JOTR32957  Layia glandulosa La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2708 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  SEINET4010592 Image available Layia platyglossa O. M. Clark 1929-1 1941 Riverside Hemet, southern California. Comment
  UCR140315  Layia platyglossa A. C. Sanders, Guy Bruyea 2004-4-2 27412 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  UCR34906  Layia platyglossa subsp. campestris L. B. Ziegler 1967-2-20 109 Riverside San Jacinto Valley, N of Lakeview 457 Comment
  SD248446  Leonotis nepetifolia A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41433 Riverside San Gorgonio Pass: San Gorgonio River wash, c. 3.7 miles E of Cabazon, c. 1.25 miles NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms (White Water 7.5'Q) 427 Comment
  CLARK-A1528-5691  Lepechinia cardiophylla John C. Roos 1960-5-30 Riverside Santa Ana Mountains 1066 Comment
  UCR230785  Lepidium A. C. Sanders, Nathan Moorhatch 2011-3-22 38783 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland, Menifee Valley, south of Ethanac Rd. between Trumble Rd. and 215 Fwy 436 Comment
  JEPS53618  Lepidium fremontii John Thomas Howell 1928-1-30 3305 Riverside 2 mi e Shaver's Well; Colorado Desert Comment
  RSA429926  Lepidium lasiocarpum N. C. Cooper 1949-4-8 3308 Riverside Desert Center. 610 Comment
  UCR102707  Lepidium lasiocarpum B. G. Pitzer 1998-1-24 3391 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  UCR213424  Lepidium lasiocarpum A. C. Sanders 2010-3-15 37391 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  UCR41832  Lepidium lasiocarpum A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6031 Riverside Sonoran (Colorado) Desert, Hayfield Lake, NW end of the lake c. 0.5 mi SW of the pumping station 412 Comment
  UCR233160A  Lepidium lasiocarpum var. lasiocarpum Jim Andre, Glenn L. Clifton 2011-2-22 17451 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  SD231267  Lepidium latifolium Scott D. White 2003-6-9 9254 Riverside Perris Basin: Northeast corner of Devonshire Ave. and Warren Rd., immediately south of Tres Cerritos. 473 Comment
  SEINET3523568 Image available Lepidium nitidum A. R. Gillogly 1966-3-19 Riverside 19 miles east of Indio on Highway 60. Comment
  RSA612508  Lepidium nitidum var. nitidum D. L. Banks, Joe Moreno 1997-2-5 1266 Riverside NW Palomar Mtns, Agua Tibia Mountains: Pechanga Indian Reservation. Recently burned area at the northerd boundary of the Reservation, just north of Anza Road. 409 Comment
  UCR116378  Lepidium strictum A. C. Sanders 2001-3-17 23832 Riverside Upper Santa Ana River Basin, Riverside, Reid Park on Orange St. in the northern part of town, east of North Main St. 253 Comment
  RSA613126  Lepidium virginicum var. robinsonii D. L. Banks 1997-3-6 1396 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Fiesta Grounds , east of Pechanga Creek along the northern fork of Pechange Creek at the eastern end of the Reservation. 424 Comment
  UCR112577  Lepidium virginicum var. robinsonii D. E. Bramlet 1998-4-10 2589 Riverside foothills of French Valley, base of foothills 457m northeast of Rawson Road and 579m east of the MWD Sand Diego canal, 1.22km east of Winchester Rd. (Hwy 79) 488 Comment
  CAS-BOT-BC329441  Lepidospartum squamatum Lewis S. Rose 1938-12-20 38331 Riverside Whitewater Wash, 3 mi SE of Palm Springs Station 274 Comment
  RSA545232  Lepidospartum squamatum R. F. Thorne 1970-10 41882 Riverside San Bernardino Mountains- Whitewater canyon: ca. 1350 ft. near bridge and Whitewater Post Office to ca. 2000 ft. up the canyon toward fish hatchery. 610 Comment
  UC1518848  Lepidospartum squamatum Robert F. Thorne, Kay L. Wright and Richard K. Benjamin 1982-10-8 55352 Riverside near Whitewater Post Office mouth of Whitewater Canyon; San Bernardino Mts. 411 Comment
  RSA697078  Lepidospartum squamatum var. obtectum W. Blanchard 1932-11-11 s.n. Riverside About 3 mi. S. of Palm Springs Station. Comment
  RSA577752  Leptochloa fusca subsp. uninervia F. M. Reed 1926-5-15 5342 Riverside West of Menifee schoolhouse, Menifee Valley. 549 Comment
  UCD64077  Leptochloa fusca subsp. uninervia Paul Popenoe 1920-12-11 Riverside Thermal. Comment
  RSA628352  Leptochloa panicea subsp. mucronata Steve Boyd 1998-10-4 10293 Riverside Backyard orchard at 4863 Rubidoux Avenue. Comment
  UC1100299  Leptochloa uninervia Malcolm A. Nobs and S. Galen Smith 1948-9-3 494 Riverside citrus grove 2 mi n Indio; Imperial Valley Comment
  JEPS69870  Leptodactylon pungens W. L. Jepson 1914-5-18 6003 Riverside Pinion Well Canyon n Indio (Mts. of the Pinion Well); , Pinion Well Canyon 762 Comment
  POM145505  Leptosiphon androsaceus J. B. Feudge 1924-5-10 797 Riverside Beaumont 732 Comment
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Nov 17 2011
  RSA487445  Leptosiphon lemmonii Jack Easton 1988-5-2 s.n. Riverside Anza area. 1189 Comment
  RSA586327  Leptosiphon parviflorus D. L. Banks, S. D. Boyd 1995-5-3 0192 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA387375  Leptosiphon pygmaeus subsp. pygmaeus Steve Boyd 1986-4-13 1688 Riverside Galivan Hills; Hartford Springs County Park, between creek and west flank of Cross Mountain. Comment
  OBI8195  Leptosyne californica David J. Keil, Malcolm McLeod 1977-3-26 12010 Riverside 8 mi NW of Lake Elsinore State Recreation area along CA 71 366 Comment
  UCSB9519  Leptosyne douglasii Wedberg, H. 1957-3-22 Riverside State Hwy. 71, Alberhill Comment
  UCR102728  Lessingia filaginifolia B. G. Pitzer 1998-1-25 3416 Riverside Lakeview Mtns., Reinhardt Canyon, Maze Stone County Park, at N terminus of California Avenue 610 Comment
  SD48365  Lessingia glandulifera var. glandulifera E. K. Balls, P. C. Everett 1957-8-20 22678 Riverside Along State Highway 74, southeast of Hemet Reservoir, south end San Jacinto Mountains. 1355 Comment
  UCR151201  Lessingia glandulifera var. glandulifera Scott D. White 1999-7-9 7533 Riverside Peninsular Ranges; San Jacinto Mts region, Idyllwild Area: near Idyllwild Community Service District sewage ponds at terminus of USFS Road #S24.2 1433 Comment
  CAS-BOT-BC451637  Lilaea scilloides Robert F. Thorne; E. Lathrop; O. Clark; S. Carlquist 1968-4-18 37422 Riverside Santa Rosa Plateau: Rancho California 609 Comment
  UCR2869  Limonium sinuatum N. J. Matthews 1963-5-5 50563- 01 Riverside San Jacinto Valley, San Jacinto, Hwy 79, in front of Hemacinto Drive-In Theatre 457 Comment
  RSA0012071  Limosella acaulis Steve D. Boyd, Gary D. Wallace 2005-7-30 11647 Riverside San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2659 Comment
  RSA27067  Linanthus aureus C. L. Hitchcock 1940-4-3 5937 Riverside 1 1/2 mi. northeast of Cottonwood Spring along 29 Palms Road, Joshua Tree Nat. Monument. Comment
  UCR19166  Linanthus aureus John C. Roos 1942-5-2 1148 Riverside Mojave Desert, Joshua Tree Nat. Monument. Lost Horse Well Comment
  RSA543152  Linanthus bigelovii Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6021 Riverside Vail Lake region, alluvial benches along Kolb Creek, S of Hwy 79 at Jtn w/ Woodchuck Rd. 494 Comment
  UCR88310  Linanthus bigelovii A. C. Sanders, K. C. Rose 1995-4-5 16362 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  HSC101578  Linanthus californicus Steve Boyd, Susan Jett 2008-3-20 11829 Riverside Peninsular Ranges; Santa Ana Mountains region: eastern flank of the range along El Cariso Trunk Trail, ca. 0.5 mi. north of Highway 74 732 Comment
  SEINET3087902 Image available Linanthus dianthiflorus A. C. Sanders, J. Dice, Rose Woodard, D. Woodard 1995-3-29 16241 Riverside San Jacinto Mtns./San Gorgonio Pass: alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village. Comment
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Dec 31 2017
  HSC82839  Linanthus jonesii A. C. Sanders, Pitzer, Charlton, Kniffen 1986-3-3 6108 Riverside Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the S 489 Comment
  CLARK-A1528-5712  Linanthus liniflorus subsp. pharnaceoides John C. Roos 1960-5-30 Riverside Santa Ana Mountains 1066 Comment
  RSA554129  Linanthus maculatus George K. Helmkamp 1992-4-16 92 -4 Riverside Coachella Valley, soft, sandy bench of Mission Creek, 0.4 miles S of Indian Ave. on old Hwy 62. [A few scattered plants found on N side of Mission Creek between Hwy 62 & old Hwy 62, but none S of creek or W of Hwy 62.] 20 Comment
  RSA783377  Linanthus nuttallii J. D. Olmsted 1959-4-17 416 Riverside Hagador Canyon 1/4 mile downstream from old tin mine along trail for water supply southwest of Corona 427 Comment
  UCR93839  Linanthus parviflorus Kent Beaman 1996-4-18 s.n. Riverside Peninsular Range, 6-7 miles east of Temecula, 40 acre parcel on De Portola Road, opposite Calle de Oro Comment
  JOTR33946  Linanthus pungens La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2835 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  RSA0010987  Lithophragma affine A. C. Sanders 1998-3-11 21681 Riverside North Domenigoni Hills, north of Diamond Valley, near old mine site above San Jacinto Valley, south of end of Warren Rd. 610 Comment
  UC147174  Lobelia dunnii var. serrata J. E. Roadhouse Aug. 1905 550 Riverside Temescal Mountains, Coldwater Canyon Coldwater Canyon; Temescal Mountains, Coldwater Canyon Comment
  RSA593877  Loeflingia squarrosa Steve Boyd, David E. Bramlet 1996-4-19 8623 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, E base of rounded hill at the N end of California Avenue, N of Stetson Avenue 457 Comment
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Mar 20 2011
  UCR116962  Loeflingia squarrosa A. C. Sanders, T. B. Salvato 2001-5-3 24107 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  RSA468341  Loeseliastrum schottii Anstruther Davidson 1893-04 s.n. Riverside Palm Springs. Comment
  SBBG81482  Loeseliastrum schottii S. A. Junak 1983-3-24 1662 Riverside Pinto Basin Rd, 0.7 mi N of Hwy 10 533 Comment
  CAS-BOT-BC342105  Logfia arizonica Steve Boyd 1986-5-7 1825 Riverside Alberhill Mountain: Lower slopes of south flank, just E of claymine area Comment
  JOTR28878  Logfia depressa La Doux, Tasha, Bill Truesdell 2004-3-11 1036 Riverside Joshua Tree National Park. Pinto Basin; sand hills 530 Comment
  SD258330  Logfia depressa J. M. Andre, Glenn Clifton, Ron Kelley 2013-3-21 24388 Riverside Grommet; West Riverside Mountains; at base NW corner of corner range where sand ramps run up against granitic bouldery slopes, about 10 mi SW of Vidal Jct, 3 mi south of Grommet RR xing at Hwy 62 363 Comment
  SD136921  Logfia filaginoides Steve Boyd 1992-4-14 6824 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; western flank of Bluewater Canyon along Bluewater Trail. 334 Comment
  UC55097  Logfia filaginoides H. M. Hall 1903-4-1 3786 Riverside vicinity Riverside 365 Comment
  SEINET3222884 Image available Lolium arundinaceum J. Easton 1987-4-23 Riverside E of Anza along Hwy 371, Hamilton Creek Canyon. Comment
  RSA613134  Lomatium dasycarpum var. dasycarpum D. L. Banks 1997-3-6 1404 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. ''Fiesta Grounds'', east of Pechanga Creek along the northern fork of Pechanga Creek at the eastern end of the Reservation. 424 Comment
  UC667252  Lomatium mohavense Annie M. Alexander and Louise Kellogg 1941-4-27 2089 Riverside Riverside & San Bernardino Col.'s, Joshua Tree Nat'l Monument Riverside & San Bernardino Col.'s, Joshua Tree Nat'l Monumen 1310 Comment
  UCR34987  Lomatium mohavense L. B. Ziegler 1972-3-21 437 Riverside San Jacinto Mtns, Garner Valley 1400 Comment
  SEINET7040184  Lomatium utriculatum A. G. Vestal 1962-3-29 Riverside Canyon south of Murrieta [Sandia Caynon.] Murrieta Quad. UTM Zone 11, 482355mE, 3705515mN. Comment
  UC1125262  Lonicera interrupta R. St. John 1929-3-8 11 Riverside Potrero Canyon San Jacinto Quadrangle 762 Comment
  CAS-BOT-BC234890  Lonicera subspicata var. denudata E. K. Balls; P. C. Everett; S. Tillett 1955-7-19 20973 Riverside San Jacinto Mts., Hwy. 74, Hemet to Idyllwild, 2.8 mi. nw. from Mountain Center 1188 Comment
  SDSU2923  Lonicera subspicata var. denudata H. Wedberg 1962-7-29 981 Riverside About 7 miles from hemet on the road to Mountain Center, opposite the 2000' sign. 610 Comment
  SEINET10543637  Lotus David B. Dunn 1946-8-17 Dunn 2699 Riverside Taquitz valley camp ground; stream margin. 2438 Comment
  SEINET3224411  Lotus argophyllus G. Goodwin 2012-6-15 3465 Riverside 6 miles south of Banning at the junction of highway 243 and the road to Mt. Edna 1070 Comment
  UCR132924  Lotus argophyllus 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
  RSA717834  Lotus grandiflorus T. Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 526 Riverside Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  RSA90292  Lotus grandiflorus F. W. Peirson 1924-7-27 4981 Riverside Dark Canyon, San Jacinto Mountains 1707 Comment
  RSA90410  Lotus oblongifolius E. C. Jaeger 1921-6-11 5449 Riverside Idyllwild Comment
  CLARK-A1045-113  Lotus rigidus George K. Helmkamp 1977-3-20 Riverside Pinyon Pines area above edge of Deep Canyon; Palm Desert 15'Q Comment
  CLARK-A1528-486  Lotus rigidus Charlotte Stocks 1962-4-29 Riverside Comment
  JEPS55820  Lotus rigidus L. M. Newlon 1922-4-4 460 Riverside Palm Canyon San Jacinto Mts. Comment
  JOTR16686  Lotus rigidus Walters, Jim 1967-3-12 s.n. Riverside Joshua Tree National Park. HIDDEN VALLEY 1280 Comment
  UCR139100  Lotus salsuginosus B. G. Pitzer 1989-4-16 1294 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, just outside impact area, 1 km south of Tabaseca Tank 700 Comment
  RSA27017  Lotus salsuginosus var. brevivexillus C. L. Hitchcock 1940-3-30 5872 Riverside Cottonwood Spring. Comment
  RSA525456  Lotus salsuginosus var. salsuginosus Steve Boyd, Dave Bramlet, Bob Boyd 1990-4-29 4501 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  RSA618170  Lotus salsuginosus var. salsuginosus D. L. Banks 1997-5-5 2016 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
  CSUSB1260  Lotus scoparius Randy Salstrom 1966-4-12 Riverside Bottom of canyon, 100 yards from east end of Blaine Street in Box Springs Mountains in Riverside. 277 Comment
  RSA342558  Lotus scoparius R. F. Thorne 1980-5-28 54204 Riverside San Bernardino Mtns: Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  RSA652462  Lotus scoparius var. brevialatus Marion P. Harthill 1971-3-19 31 Riverside Palm Desert. Comment
  UC1929589  Lotus scoparius var. brevialatus Steve Boyd 2007-4-20 11725 Riverside Peninsular Ranges; Perris-Aguanga Basin region; Southeastern end of the Gavilan Hills, north of Warm Springs Valley at upper end of ''Walsh Canyon,'' ca. o.5 miles from junction with Lindel (aka Stovepipe) Road, on southwest facing slope just above old Melia azedarach and across from driveway leading t 549 Comment
  CSUSB1197  Lotus strigosus Kheng Try Seng 1966-3-27 660327 12 Riverside 0.5 mile north corner of Wood and Roberts. About 4 miles from freeway 395. Woodcrest. 487 Comment
  RSA678932  Lotus strigosus Scott D. White, Michael Honer 2003-6-3 9475 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  SEINET7063432  Lotus strigosus A. G. Vestal 1947-3-30 s.n. Riverside About 3.8 miles east of Sage on East Benton Road. Tucalota Valley. UTM Zone 11, 502344mE, 3715130mN. (WGS84/NAD83). 573 Comment
  UCR154643  Lotus strigosus A. C. Sanders, T. B. Salvato 2005-4-28 29767 Riverside Peninsular Ranges, Gavilan Hills; north of Santa Rosa Rd., 1 mi. SW of Ida Leona Mine 625 Comment
  UCR180388  Lotus strigosus Scott D. White, Andrea Warniment (Edwards) 2006-3-22 11272 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
  UCR226062  Lotus strigosus A. C. Sanders, T. B. Salvato 2011-4-1 38965 Riverside Peninsular Range, Lake Elsinore, hill 90 m NE of intersection of Baker St. and Bunker St., 0.35 km NW of Hwy 74 395 Comment
  UCR86871  Lotus strigosus A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16279 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
  RSA406327  Lotus strigosus var. strigosus N. C. Cooper 1945-3-25 s.n. Riverside Cottonwood Creek near Aguanga, San Diego & Riverside. Comment
  RSA526495  Lotus strigosus var. strigosus Steve Boyd, T. S. Ross 1990-5-11 4690 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  UCR214552  Lotus strigosus var. tomentellus A. C. Sanders 2010-3-15 37393 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  UCR251672  Lotus strigosus var. tomentellus Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 776 Riverside Sonoran (Colorado) Desert, Mecca Hills, Shaver's Well, adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  RSA191399  Lotus unifoliolatus E. W. Lathrop, Robert F. Thorne 1967-9-26 6661 Riverside 4 mi. NW of Murrieta 609 Comment
  RSA498730  Lotus wrangelianus Mark Morris, Richard C. Barkelew 1929-3-3 13717 Riverside Perris, Riverside Comment
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Nov 9 2011
  RSA736761  Ludwigia peploides subsp. peploides Scott D. White, Lynn Stafford 2007-6-27 11753 Riverside Chino Hills State Park: Santa Ana River floodplain just below Prado Dam. 134 Comment
  POM2549  Lupinus arizonicus I. M. Johnston 1917-4-4 s.n. Riverside Near Palm Springs. 152 Comment
  UCR97478  Lupinus arizonicus John Wear, N. Moorhatch 1997-3-21 s.n. Riverside San Jacinto Mtns, S of Chino Canyon, at NW end of Palm Springs 350 Comment
  UCSB33601  Lupinus arizonicus Simmons, Karen 1979-3-25 Riverside 1 mile south of Hwy. 10; on Box Canyon Road 30 Comment
  RSA487451  Lupinus bicolor Bill Wagner 1988-3-9 s.n. Riverside Grain field at Benton Rd. and San Diego aqueduct, 1/2 mile E of Winchester Rd., NE of Murrieta. 412 Comment
  RSA660564  Lupinus bicolor Lydia Paneri 1982-4-17 35 Riverside Cajalco Road, 2 miles east of I-15; south of Corona. Comment
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May 31 2008
  SD140103  Lupinus bicolor Scott White 1993-4-20 1202 Riverside Estelle Peak, Gavilan Hills; Lake Mathews quad. 822 Comment
  UCR130709  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 1998-6-27 4074 Riverside San Jacinto Mtns., Garner Valley, along Hwy 74 at Morris Ranch Rd. 1372 Comment
  UCR166163  Lupinus bicolor 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
  UCR169399  Lupinus bicolor T. B. Salvato, John F. Green 2004-5-27 609 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
  SEINET2062597 Image available Lupinus bicolor var. microphyllus Norman C. Cooper 1947-4-5 2038 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  UCR245893  Lupinus concinnus R. F. Thorne 1995-3-29 63014 Riverside Transverse Range; San Bernardino Mtns., Whitewater Canyon 600 Comment
  UCR153381  Lupinus excubitus Scott D. White 1999-5-24 7405 Riverside Peninsular Ranges/ Perris-Aguanga Basin, San Jacinto Valley, San Jacinto River wash: just N of the city of San Jacinto, about 1 mile SE of State St. Bridge 479 Comment
  POM125537  Lupinus excubitus var. austromontanus R. Weatherby 1949-6-6 663 Riverside Santa Rosa Mountain. 1982 Comment
  CAS-BOT-BC216701  Lupinus excubitus var. excubitus I. M. Johnston 1918-4-27 1869 Riverside Near Elsinore 396 Comment
  CAS-BOT-BC216699  Lupinus excubitus var. excubitus Bulletin Torrey Club 1924-9-1 s.n. Riverside Unspecified Comment
  POM12740  Lupinus excubitus var. hallii Philip A. Munz 1922-4-28 5047 Riverside Leach Canyon, 671 Comment
  RSA413643  Lupinus formosus var. formosus N. C. Cooper 1945-5-5 2225 Riverside San Gorgonio Mountains above Banning. 915 Comment
  POM13291  Lupinus hyacinthinus E. C. Jaeger 1921-7-8 1060 Riverside Dark Canyon, San Jacinto Mts 2439 Comment
  RSA761267  Lupinus hyacinthinus Shawn Krosnick, Lucinda A. McDade, Naomi S. Fraga 2010-8-14 667 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SEINET10485440  Lupinus hyacinthinus David B. Dunn 1946-8-17 Dunn 2696 Riverside Damp meadow area grassy, near the stream at the camp in taquitz valley, san Jacinto mts. 2438 Comment
  SEINET10485441  Lupinus hyacinthinus David B. Dunn 1946-8-17 Dunn 2722 Riverside 1/4 mi. W of hidden lake. San jacinto mts. Comment
  UCR92679  Lupinus latifolius Scott D. White, M. D. Wilcox 1995-7-11 3464 Riverside Peninsular Range; Santa Ana Mtns., upper forks of Decker Canyon, SW of Main Divide Truck Trail 730 Comment
  POM259203  Lupinus latifolius subsp. parishii Philip A. Munz 1938-8-14 15344 Riverside Virgin Spring, Santa Rosa Peak. 2287 Comment
  UCR13088  Lupinus longifolius S. R. Szarek 1971-3-26 s.n. Riverside Peninsular Range/Santa Ana Mtns, Alongside Hwy 74, 6 mi from the Riverside-Orange Co. line 671 Comment
  UCR169472  Lupinus microcarpus 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
  UCR16238  Lupinus microcarpus var. densiflorus Heidi A. Haid 1964-5-10 64510- 4 Riverside San Jacinto Valley / Mtns, c. 6 mi. east of Hemet on Hwy 74 549 Comment
  SEINET3440252 Image available Lupinus sparsiflorus B. Pitzer 1986-4-26 187 Riverside Whitewater Canyon, ca. 4.5 mi. N of Hwy I-10 on Whitewater Canyon Road. (White-water 7.5'). Comment
  UC1584119  Lupinus sparsiflorus Steve Boyd, Tim Ross, and Laurel Arnseth 1990-3-29 3832 Riverside ridge at n side mouth of Temecula Creek Canyon (and adjacent benches of s flank of Big Oak Mtn); Vail Lake Area 396 Comment
  UC865459  Lupinus sparsiflorus I. W. Clokey 1935-4-17 6710 Riverside Cottonwood Springs Comment
  UCR214142  Lupinus sparsiflorus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37723 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  RSA414820  Lupinus sparsiflorus subsp. sparsiflorus Jack Rempel 1932-5-1 15330 Riverside 1 miles south of Morengo Valley. Comment
  RSA586157  Lupinus truncatus D. L. Banks, S. D. Boyd 1995-3-30 0122 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, E of the Woodchuck Trail. 726 Comment
  RSA772530  Lupinus truncatus Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4441 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
  SD187409  Lupinus truncatus Scott D. White, Angelia Carey 2004-4-16 10193 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes 548 Comment
  UCR142197  Lupinus truncatus June Latting 1979-4-8 s.n. Riverside Box Springs Mountain 915 Comment
  UCR97448  Lupinus truncatus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19867 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  UC1083106  Lycium Herbert L. Mason 1928-3-10 4215 Riverside Hidden Springs Canyon Coachella Mts. Comment
  CLARK-A1528-883  Lycium andersonii Alan Chamberlain 1957-3-16 Riverside Riverside Comment
  POM251786  Lycium andersonii J. C. Roos 1938-4-27 19 Riverside Hill west of Arlington. Comment
  SD143703  Lycium andersonii G. K. Helmkamp, E. A. Helmkamp 1998-2-18 2693 Riverside Colorado Desert: Midland Road., 3.8 mi. SE of Midland, Little Maria Mts. sandy wash Comment
  UC809726  Lycium andersonii Philip A. Munz 1949-4-13 13051 Riverside above Cottonwood Springs (w end of Eagle Mts.); Colorado Desert, Eagle Mts. 1097 Comment
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Oct 9 2010
  CLARK-A1528-4348  Lycium brevipes John C. Roos 1949-3-19 4105 Riverside Dos Palmas Spring Comment
  RSA13742  Lycopus americanus E. C. Jaeger 1921-08 1165 Riverside Riverside. Comment
  RSA69830  Machaeranthera asteroides J. C. Roos 1951-10-19 5330 Riverside Gilman Hot Springs 459 Comment
  UCR20178  Machaeranthera canescens subsp. ziegleri Jeanine Derby, T. P. Krantz 1977-1 s.n. Riverside Santa Rosa Mtns, Santa Rosa Mountain, along [Forest Service Road] 7S02 Comment
  GMDRC6580  Madia elegans J. M. Andre 2012-6-15 30542 Riverside San Jacinto Mountains: west slopes of range along Poppet Flat Rd, Poppet Creek canyon, 3.2 mi. west of Hwy 243 1022 Comment
  UC489132  Madia elegans C. V. Meyer 1928-7-26 529 Riverside w side San Jacinto Mt. 2286 Comment
  RSA495433  Mahonia nevinii Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-12 2959 Riverside Vail Lake area, west shore of lake, Kolb Crk. drainage in series of small side draws. 441 Comment
  RSA377709  Maianthemum stellatum E. C. Jaeger 1923-6-22 s.n. Riverside Tahquitz Valley, San Jacinto Mountains. 2104 Comment
  RSA0056000  Malacothamnus densiflorus T. B. Salvato, Matthew Malle 2013-4-5 7512 Riverside Perris-Aguanga Basin: Sedco Hills, dirt extension (SCE powerline access) from Beverly Street east of Crab Hollow Circle. 604 Comment
  CAS-BOT-BC345425  Malacothrix clevelandii John Roos; Lucille Roos 1954-5-15 6119 Riverside Summit of Reche Canyon 731 Comment
  RSA759211  Malacothrix clevelandii Robt Allen 2008-5-17 s.n. Riverside Bear Canyon Trail. Near boundary of San Mateo Wilderness 675 Comment
  OBI49706  Malacothrix glabrata David Charlton 1988-2-18 1186 Riverside S side of Little San Bernardino Mts. Fargo Cyn Rd to Cottonwood Wash, S of Joshua Tree Natl Park, prallel to I-10. 5 mi E of jct Dillon rd and Fargo Cyn Rd 762 Comment
  SEINET242055  Malacothrix glabrata A. C. Sanders 2001-4-8 23972 Riverside Western Colorado Desert: Coachella Vly, Garnet, along transmission line route E of Garnet Wash 232 Comment
  SEINET10908382  Malacothrix glabrata David B. Dunn 1948-3-14 Dunn 3776 Riverside Chickory; flat open sands near Hidden Springs Ranch. 3 miles south of the Indio Hills, Colorado Desert. Comment
  RSA0121047  Malacothrix stebbinsii Duncan S. Bell, LeRoy Gross 2016-3-29 9120 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
  RSA0123753  Malacothrix stebbinsii Duncan S. Bell, LeRoy Gross 2016-3-10 8870 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 1.75 air miles northwest of the summit area. 938 Comment
  CAS-BOT-BC475160  Malosma laurina A. C. Sanders; Jeff Crain; Nina Kidd 2015-5-19 41729 Riverside Temesal Canyon, hilltop above DePalma Rd., about midway between Horse Thief Canyon Rd. and Glen Eden Rd. 399 Comment
  UCR37437  Malva parviflora Steve Boyd 1981-4-8 s.n. Riverside Gavilan Plateau, Lake Mathews Road, south of Gavilan Peak 640 Comment
  RSA523965  Marah macrocarpa Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4011 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UCR132423  Marah macrocarpa A. C. Sanders 2004-2-6 27380 Riverside Santa Ana Mtns., foothills at edge of Temescal Valley, ridge proposed for removal at development called 'Trilogy at Glen Ivy,' south of Brown Canyon at head of small nameless canyon on south side of ridge 427 Comment
  UCR175117  Marah macrocarpa Jennifer H. Jones, Toby Bartels 2006-4-23 278 Riverside Transverse Ranges; San Bernardino Mtns., Banning Pass, NE of Cabazon along powerline road and in Deep Canyon 744 Comment
  HSC101189  Marina parryi Jim Andre 2012-3-19 21371 Riverside Palen Valley; along Palen Pass Rd. (dirt), 7.1 mi. east of Hwy. 177. 321 Comment
  SEINET2063252 Image available Marina parryi B. Pitzer 1988-3-10 646 Riverside W side of Chuckwalla Mts., on gas line road ca. 1.5 mi N of intersection with Red Cloud Mine Rd.; ca 2 mi. S of I-10. 487 Comment
  UCR277801  Marina parryi A. C. Sanders, Jim Malusa 2017-1-14 42663 Riverside Sonoran (Colorado) Desert, Salt Creek wash, where it passes bend in old Kaiser RR tracks, c. 6 miles east of Dos Palmas 119 Comment
  UCR149986  Marrubium vulgare Scott D. White, Angelia Carey 2004-5-7 10335 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  SD68957  Marsilea vestita Robert F. Thorne, E. Lathrop & P. Munz 1968-5-8 37566 Riverside Santa Rosa Plateau, Mesa de Colorado, Rancho California 669 Comment
  RSA660553  Matricaria matricarioides Lydia Paneri 1982-4-17 12 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  RSA0045154  Matricaria occidentalis Andrew Haimov, April Sleigh 1992-5-5 79 Riverside 1 1/2 miles east of Davis Road. 2 miles north of Ramona Expressway, San Jacinto Wildlife Area. 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
  UCR165193  Medicago polymorpha S. J. Myers 2001-4-6 s.n. Riverside San Jacinto Mtns., Bautista Canyon 976 Comment
  SD129375  Melia azedarach J. Hirshberg 1989-7-18 Riverside Vicinity of Lake Skinner: Drainage east of reservoir. Comment
  POM9732  Melica imperfecta Mary F. Spencer 1921-4-16 1842 Riverside Banning. Comment
Read comments
Mar 13 2011
  UCR121098  Melica imperfecta A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24981 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR136252  Melica imperfecta A. C. Sanders 2004-4-20 27548 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  UCR240636  Melica imperfecta Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 44 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Hathaway Canyon 884 Comment
  SDSU12980  Melilotus albus Michael G. Simpson with Claudia A. Luke 1999-10-27 2018 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/4 mile from Southside Facilities. 152 Comment
  CSUSB1110  Melilotus indicus Randy Salstrom 1966-5-1 Riverside 10 yards west of north end of Blaine Street beside the Gage Canal in City of Riverside. 274 Comment
  CSUSB1309  Melilotus indicus Dean Jones 1966-4-19 Riverside on a lawn above Lot #4, UC Riverside campus. 365 Comment
  SD225008  Mentha spicata var. spicata Scott D. White 1996-8-15 4477 Riverside Strawberry Creek at Hwy 74 bridge. 883 Comment
  CAS-BOT-BC223710  Mentzelia K. Larson 1977-5-12 2286 Riverside Wiley Wells Road ca. 20 mi. W. Blythe Comment
  UCR260574  Mentzelia A. C. Sanders, Nina Kidd, Jeff Crain 2015-3-31 41532 Riverside Peninsular Range; Eastern Foot of Santa Ana Mtns., Temescal Canyon, northwest of El Hermano Road junction along sandy wash of Temescal Creek 313 Comment
  RSA523549  Mentzelia affinis Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4009 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  UC665746  Mentzelia affinis Ira L. Wiggins 1941-3-26 9662 Riverside Along wash at Wiley Well Comment
  RSA0038370  Mentzelia affinis A. Lee Haines 1973-3-24 s.n. Riverside Orocopia Mountains. 457 Comment
  JEPS42807  Mentzelia involucrata W. L. Jepson and W. C. Mathews 1914-5-18 6009 Riverside n Indio (Pinon Well to County Well) 457 Comment
  SBBG20039  Mentzelia involucrata D. Myrick 1964-3-26 788 Riverside 15 mi S of Twentynine Palms, Joshua Tree Nat Monument 762 Comment
  UCSB45202  Mentzelia involucrata Matthews, K. 1977-3-25 Riverside 2 Miles south of 1-60 on Highway 195 off roadway 76 Comment
  RSA440443  Mentzelia jonesii Christopher Davidson 1979-4-4 7720 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  RSA0127363  Mentzelia longiloba var. longiloba F. W. Peirson 1932-3-22 9809 Riverside About 6 miles N of Blythe on Needles Road. 122 Comment
  CLARK-A1528-5372  Mentzelia micrantha John C. Roos, Lucille Roos 1952-5-19 5695 Riverside Moreno 518 Comment
  JEPS41203  Mentzelia obscura E. E. Schellenger April 1920 Riverside near Coachella; Colorado Desert Comment
  SDSU8093  Mentzelia veatchiana H. Wedberg 1962-4-20 914 Riverside About 1 mile SE of Pinyon Flats on road to Palm Springs. 1219 Comment
  SBBG101673  Micropus californicus S. Boyd with Mistretta 1991-5-22 6302 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk 548 Comment
  RSA614099  Microseris douglasii subsp. douglasii A. C. Sanders, George K. Helmkamp 1997-3-15 19995 Riverside Lake Skinner, SE foot of Bachelor Mtn., just north of the lake. 500 Comment
  UCR90774  Microseris douglasii subsp. platycarpha D. E. Bramlet 1994-4-20 2369 Riverside Perris-Aguanga Basin region, Shipley Reserve/SE corner of Lake Skinner Co. Park, beside a large, ephemeral drainage south of the equestriam trail, approx 762 m SE of the park entrance road and 579 m NW of East Benton Road 518 Comment
  UCR97275  Microseris douglasii subsp. platycarpha D. E. Bramlet 1995-4-26 2398 Riverside Perris-Aguanga Basin region, Lake Skinner County Park, S facing slope adjacent (N) of the water tank maintenance road (road from BM 1487), c. 671m east of the entrance road, at junction of maintenace road and road to Tucalota Creek 476 Comment
  RSA656545  Microseris heterocarpa A. C. Sanders 2000-5-25 23407 Riverside Menifee Valley; S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake 439 Comment
  RSA763053  Microseris heterocarpa E. W. Lathrop 1969-5-8 7023 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  RSA792922  Microseris heterocarpa A. C. Sanders, T. B. Salvato 2011-3-28 38820 Riverside Menifee Valley, powerline corridor along McLaughlin Rd. west of Murrieta Rd., north of Sun City 439 Comment
  UCR92233B  Microseris heterocarpa D. L. Banks, Steve Boyd 1995-5-9 0323 B Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, west of the Dripping Springs Alcove, west of Woodchuck Campground. 701 Comment
  UCR103258  Microseris lindleyi B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3569 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  UCR121317  Mimulus aurantiacus var. pubescens A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25001 Riverside Peninsular Range; San Jacinto Mtns. Region, The Badlands; summit of Mt. Eden, SW of Beaumont 717 Comment
  UCR81103  Mimulus aurantiacus var. pubescens Scott D. White 1993-5-29 1438 Riverside San Bernardino Mtns., Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1067 Comment
  UCSB23460  Mimulus bigelovii var. bigelovii Shaw, Merrilee 1964-4-15 Riverside 1.5 miles east of junction of State Highway 195 and turnoff to U.S. Highway 70 to Joshua Tree National Monument 594 Comment
  UCR133674  Mimulus brevipes 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
  NY90708  Mimulus diffusus W. L. Jepson 1961-5-29 1959 Riverside Palomar Comment
  RSA632473  Mimulus floribundus Scott D. White 1998-6-17 6745 Riverside Along Gavilan Rd. or Santa Rosa Mine Rd.; ca. 7 mi survey route from Gavilan/ Cajalco Rd. jtn. south and east to Santa Rosa Mine/ Post Rd. jtn. 488 Comment
  JEPS26106  Mimulus fremontii var. fremontii Peter H. Raven 1958-5-17 12946 Riverside 7.4 mi se Banning (on road to Idyllwild); San Jacinto Mountains Comment
  CSUSB887  Mimulus guttatus Jean Texera 1970-5-17 20 Riverside 5 miles south of Murrieta on road to De Luz, 20 yards from along stream. 152 Comment
  HSC86249  Mimulus guttatus Jane Hildreth 1981-6-4 27 Riverside San Jacinto Mtns., San Bernardino National Forest, Bay Tree Springs along Hwy. 243, 12 mi. S of Banning 1646 Comment
  UCR18441  Mimulus guttatus J. Olmstead 1966-4-27 s.n. Riverside Santa Rosa Mtns, Deep Canyon drainage: Deep Canyon between road end and first falls 610 Comment
  UCR232779  Mimulus moschatus William Schlegel, Andrew Troutte 2008-8-8 008 Riverside Peninsular Range; San Jacinto Mtns., c. 2 km NE of Black Mountain summit 2267 Comment
  HSC79079  Mimulus parishii G. K. Helmkamp 1984-5-2 - 32 Riverside Big Morongo Canyon, 3-3.5 mi. below the caretaker's house at the Big Morongo Preserve, Little San Bernardino Mtns. 550 Comment
  CLARK-A1528-4265  Mimulus pilosus John C. Roos 1948-6-10 3882 Riverside San Jacinto Mountains Comment
  UCR207639  Mimulus pilosus O. F. Clarke 2005-6-19 s.n. Riverside Peninsular Range; Gavilan Hills, Harford Springs County Park, off Idaleona Rd. 686 Comment
  RSA788962  Mimulus puniceus Robert F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49535 Riverside Santa Ana Mountains: along Ortega Highway (74) Comment
  CAS-BOT-BC9539  Mimulus rubellus Philip Alexander Munz 1922-6-30 5911 Riverside Santa Rosa, Santa Rosa Mountains 1981 Comment
  RSA778144  Mirabilis bigelovii var. retrorsa Jim Andre 2011-2-2 16220 Riverside Coachella Valley; west of Palm Springs along Hwy. 111 (south side) at base of San Jacinto Mts. at Windy Point, approx. 5.5 miles from Jct. with I-10 259 Comment
  CDA37135  Mirabilis californica Mike Lahti 2012-4-22 PDR# 1590339 Riverside Hemet; Near Grant St., south of Florida Ave. 0 Comment
  RSA0027994  Mirabilis laevis var. crassifolia Ed LaRue 1989-3-30 s.n. Riverside Rancho California area, ca. 4 miles W of Temecula,with Ave. del Oro as the N boundary. 381 Comment
  RSA80975  Mirabilis laevis var. crassifolia G. R. Campbell 1952-4-6 18424 Riverside 3 miles E of Lake Matthews Comment
  SDSU13049  Mirabilis laevis var. crassifolia Janet M. Knotts with Jill Steinberg and Kevin Contreras 1998-3-25 25 III1998E Riverside Road to southwest of SDSU Santa Margarita Field Station, ca. 1000 feet S.W. on road to switchback, then ca. 300 feet N.E., heading down to creedbed, north side of road. 256 Comment
  RSA79159  Mirabilis laevis var. retrorsa P. A. Munz 1952-5-2 16245 Riverside Dry Morongo Wash, n.w. end of Coachella Valley. 457 Comment
  UC851755  Mirabilis laevis var. retrorsa I. W. Clokey, B. C. Templeton 1930-4-9 4676 ` Riverside N of Palm Springs, Colorado desert 170 Comment
  RSA776090  Mirabilis laevis var. villosa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 822 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 495 Comment
  RSA700932  Mirabilis tenuiloba Keith E. Hoffmaster 1933-4-14 s.n. Riverside Taquitz canyon Comment
  JEPS84377  Mohavea confertiflora Roxanne Bittman 1977-2-27 12 Riverside South side of Highway 195 about 9 miles from Box Canyon in Box Canyon upper bajada 365 Comment
  JOTR37507  Mohavea confertiflora Hodges, Stephen R. 2016-3-1 633 Riverside Joshua Tree National Park. Northern edge of the Eagle Mountains where they border the Pinto Basin. Approximately 3 kilometers west of Pinto Wells. Ascending up towards the ridge line on loose unconsolidated sand ramps Comment
  RSA408755  Mohavea confertiflora N. C. Cooper 1949-4-8 3300 Riverside Desert Center. 610 Comment
  RSA408766  Mohavea confertiflora H. C. Ackley 1926-02 s.n. Riverside Shavers Well, Colorado Desert. Comment
  UCR167464  Mohavea confertiflora 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
  UCSB7452  Mohavea confertiflora Broder, Richard 1958-3-1 Riverside 1.5 miles up White Water Canyon from US 60-70 Comment
  RSA0027469  Mollugo cerviana Deidre Conocchioli, Billy Sale, Naomi S. Fraga 2013-9-25 58 Riverside East of Alligator Rock: From I-10 at Desert Center, head south on CA-177 to BLM Rd 394 (dirt). Collection site is 1.1 miles SW of interstate exit ramp. 334 Comment
  UCR193864  Monardella breweri subsp. lanceolata A. C. Sanders, Mitch Provance 2008-7-11 35817 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
  LA62720  Monardella linoides subsp. linoides Carl Epling; June 1938 sn Riverside Palms to Pines Highway Comment
  POM122454  Monardella linoides subsp. linoides Marcus E. Jones 1926-1 s.n. Riverside Corn Springs, Colo. Desert Comment
  POM13335  Monardella linoides subsp. linoides E. C. Jaeger 1921-3-10 1099 Riverside Santa Rosa Mtns, Upper Deep Canyon. 1220 Comment
  RSA0103093  Monardella linoides subsp. linoides Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8547 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  UC1499861  Monardella nana Elizabeth McClintock 1940-5-19 9 Riverside 2 1/4 miles off Pines to Palms Highway, on road to Santa Rosa Mt. Comment
  POM247675  Monardella nana subsp. arida E. C. Jaeger 1939-5-4 s.n. Riverside Pinon Alta Flats, Santa Rosa Mts. 1585 Comment
Read comments
Dec 10 2015
  RSA125332  Monardella nana subsp. arida R. Weatherby 1949-6-6 643 Riverside Santa Rosa Mountain. 1982 Comment
  RSA0117509  Monardella nana subsp. arida Elizabeth McClintock 1940-5-19 5 Riverside One-quarter miles off Pines to Palms Highway, on road to Santa Rosa Mountain. Comment
  RSA109308  Monardella nana subsp. tenuiflora H. K. Sharsmith 1954-7-7 4444 Riverside San Jacinto Mountains, On Forest Service Road to Black Mountain ca. 1 mile from Hwy. Beteen Fuller Creek and Idlewild. 1982 Comment
  RSA67396  Monardella nana subsp. tenuiflora Verne Grant, Alva Grant 1951-7-22 16105 Riverside Dark Canyon campsite, N of Idyllwild, San Jacinto Mts 1768 Comment
  RSA750312  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-21 127 Riverside San Jacinto Mountains. Trail to Hidden Lake. Comment
  RSA701041  Monoptilon bellioides Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11285 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
  RSA733450  Monoptilon bellioides Lyman Benson 1933-3-31 4177 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  UCR30048  Monoptilon bellioides A. C. Sanders 1983-4-24 3799 Riverside Sonoran (Colorado) Desert, alluvial fan at the NW end of Orocopia Mountains along Hwy 195, c. 3 miles NE of Shavers Well and 2.7 miles NE of the point where the road enters Box Canyon 367 Comment
  UCSB10245  Monoptilon bellioides Phillips, Priscilla 1958-3-22 Riverside South entrance to Joshua Tree Monument Comment
  CAS-BOT-BC444861  Montia fontana Peter H. Raven 1959-5-17 14227 Riverside Lake Fulmor, San Jacinto Mountains Comment
  UC1931205  Montia fontana Scott D. White, Justin Wood 2008-6-19 12270 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. Comment
  UCR193361  Montia fontana A. C. Sanders, Tim Thomas 2008-6-20 35553 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  CAS-BOT-BC275251  Muhlenbergia microsperma Noel H. Holmgren; Patricia K. Holmgren; Ruth E. Kern 1973-3-21 6436 Riverside Big Maria Mountains, 12 airline miles N of downtown Blythe 289 Comment
  RSA25135  Muhlenbergia microsperma C. L. Hitchcock 1940-4-2 5915 Riverside Cottonwood Spring wash, Joshua Tree National Monument. Comment
  RSA78758  Muhlenbergia microsperma P. A. Munz 1952-4-15 17341 Riverside Canyon 2 miles west of Monument Peak, Joshua Tree National Monument. 1067 Comment
  SEINET238467 Image available Muhlenbergia microsperma A. C. Sanders 1998-3-11 21689 Riverside Shipley/Skinner Reserve area: North Domenigoni Hills N side of Diamond Valley along high water road of reservoir unde 549 Comment
  UCD86819  Muhlenbergia microsperma Alan A. Beetle 1946-4-18 4231 Riverside At DeLuz near Murietta. Comment
  RSA598032  Muhlenbergia rigens F. M. Reed 1928-7-11 7491 Riverside Camp Emerson, Strawberry Valley (near Idyllwild) 1677 Comment
  SDSU13929  Muhlenbergia rigens Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2138 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  UC1132383  Muhlenbergia rigens H. S. Yates 1936-8-28 6371 Riverside near Keen Camp; San Jacinto Comment
  UCR101805  Muhlenbergia rigens George K. Helmkamp, E. A. Helmkamp 1998-8-17 4439 Riverside Santa Ana Mtns., San Juan Canyon along the Ortega Hwy (Calif. Hwy 74) beside the Orange Co. line 503 Comment
  RSA180312  Muilla maritima E. W. Lathrop 1965-4-18 5660 Riverside 10 miles west of Murrieta. Comment
  UCR6184  Muilla maritima C. M. Bringle, H. Johnston 1967-4-22 B670422- 7 Riverside Jurupa, [Pedley Hills] at end of Sedona Drive off Jurupa Road, west of Mission Blvd. Hillside with red water storage tank. 'el. 800 ft.' 305 Comment
  UCR80794  Muilla maritima Scott D. White 1993-5-29 1446 Riverside San Bernardino Mtns, Banning Canyon, along the road to Raywood Flat, Yucaipa Ridge 1402 Comment
  UC880837  Nama C. L. Hitchcock 1940-4-4 5950 Riverside Pinto Basin Comment
  UC572341  Nama demissa var. demissa H. S. Yates 1937-3-23 6408 Riverside three mi n Palm Springs; San Jacinto Quad., n of Palm Springs 213 Comment
  UC880831  Nama demissa var. demissa Edmund C. Jaeger 1920-4-1 1078 Riverside Palm Springs Comment
  RSA627383  Nassella lepida H. A. Haid 1968-5-19 s.n. Riverside San Jacinto Mtns: Bautista Canyon, above confluence with Horse Creek., 33Y'38'N, 116Y'48'W 878 Comment
  SEINET273125  Nassella pulchra A. C. Sanders, N Ferguson 1997-3-20 20068 Riverside Riverside area; March Air Force Base W of Hwy 215 at W end of Cactus Ave. vicinity of former weapons storage fac UTM 518 Comment
  UCR92336  Navarretia atractyloides Scott D. White, M. D. Wilcox 1995-7-13 3476 Riverside Santa Ana Mtns., Unnamed canyon c. 0.25 mi. SW of Grand Ave., Lake Elsinore, directly downslope from hairpin turn on State Hwy 74. 488 Comment
  RSA785182  Navarretia fossalis D. E. Bramlet 1993-5-8 2347 Riverside San Jacinto Valley, 7.2 km west of Hemet, 183 m north of Stowe Rd. and 610 m south of Setson Ave.,120 m east of California Ave. and 152 m west of the MWD canal. 456 Comment
  UCR70682  Navarretia fossalis D. E. Bramlet 1991-6-19 2197 Riverside Perris-Aguanga Basin region, San Jacinto River area, about 600 m west of river and 1 km south of Lakeview Hot Springs. About 30 m south of MWD Colorado Aqueduct easement road, and 630 m east of intersection of Pozos Ave. and the MWD road. Population 30 m west of existing blueline channel 473 Comment
  GMDRC5807  Nemacaulis denudata var. gracilis J. M. Andre, Glenn Clifton, Ron Kelley 2013-3-21 24394 Riverside West Riverside Mountains;: at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 mi. SW of Vidal Jct, 3 mi. south of 'Grommet' RR xing at Hwy 62 363 Comment
  CLARK-A1528-5380  Nemacladus longiflorus var. breviflorus John C. Roos 1937-4-18 1795 Riverside Snow Creek Comment
  RSA728346  Nemacladus longiflorus var. breviflorus G. D. Wallace, M. Z. Wallace 1982-3-27 1895 Riverside Whitewater River, Indian Ave. 2 mi. S of San Bernardino county line, W of Joshua Tree National Monument, NW of Desert Hot Springs. Comment
  RSA0014941  Nemacladus longiflorus var. longiflorus LeRoy Gross, Evan Meyer 2013-5-21 6118 Riverside West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley. Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near [coordinates given.] 1631 Comment
  UC64329  Nemacladus longiflorus var. longiflorus H. M. Hall Jun 1897 661 Riverside Onstatt's Valley; San Jacinto Mts. Comment
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Nov 24 2012
  RSA487534  Nemacladus orientalis B. Pitzer 1988-3-10 647 Riverside Chuckwalla Mountains. W side of mountains, on gas line road ca. 1.5 mi north of intersection with Red Cloud Mine Road (and wash); ca. 2 miles (airline) S of Highway I-10. (Red Cloud Road. 10 km cell; PH-2N, 3E) 488 Comment
  SD255694  Nemacladus orientalis A. C. Sanbders, E. J. Lawlor 1992-4-4 12118 Riverside McCoy Mountains within 0.5 mile of McCoy Spring. 244 Comment
  RSA583742  Nemacladus pinnatifidus Steve Boyd 1995-4-24 8489 Riverside Palomar Range, eastern edge of the Agua Tibia Wilderness Area, west of Devil's Hole, along the Wildhorse Trail at a saddle near the corner of section 35. 701 Comment
  RSA525254  Nemacladus ramosissimus Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4566 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 548 Comment
  SD260929  Nemacladus ramosissimus Andrew C. Sanders, D. Malueg 2003-5-8 26570 Riverside Perris-Aguanga Basin region: Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd, and east of the creek (Murrieta 7.5'Q) 395 Comment
  SEINET3282748 Image available Nemacladus ramosissimus A. C. Sanders, Seung-Chul Kim 2005-5-7 30061 Riverside Peninsular Range, Agua Tibia Mountains; UC Emerson Oaks Reserve, ca. 8 miles southeast of Temecula, S of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank. 457 Comment
  UCR48383  Nemacladus ramosissimus Steve Boyd 1986-4-22 1770 Riverside Peninsular Range, Temescal Canyon, E side of Indian Wash, south of I-15 Comment
  UC1583283  Nemacladus rubescens Noel H. Holmgren, Patricia K. Holmgren, and Ruth E. Kern 1973-3-23 6480 Riverside 24 mi e Indio (near Interstate 10, at the s entrance to Joshua Tree National Monument); Joshua Tree National Monument 548 Comment
  SEINET10906122  Nemacladus rubescens Kenton L. Chambers 1973-3-19 Chambers 3612 Riverside Cottonwood Pass road at south border of Joshua Tree National Monument, 1.0 mile north of junction with Highway 60 Comment
  JOTR34020  Nemacladus sigmoideus La Doux, Tasha, M. Harding 2010-4-7 2907 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  UCR164063  Nemacladus tenuis var. aliformis A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29147 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  RSA522735  Nemophila menziesii Steve Boyd, Tim Ross, L. Arnseth 1990-3-29 3841 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
  UC63802  Nemophila menziesii H. M. Hall May 17, 1901-Jun 1, 1901 1806 Riverside Strawberry Valley Comment
  UCR51025  Nemophila menziesii S. J. Myers 1988-2-24 s.n. Riverside Peninsular Range, Temescal Canyon, about 0.25 mi west of intersection of Hwy I-15 and Indian Truck Trail 381 Comment
  RSA0105076  Nemophila menziesii var. menziesii Daphne K. Christopher, Hannah Stevens 2003-4-4 97 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 536 Comment
  RSA667126  Nerium oleander A. C. Sanders 2000-12-17 23729 Riverside Corona, SW side of I-15, between Taber and Ontario Streets 277 Comment
  UCR193977  Nicotiana attenuata A. C. Sanders 2008-7-25 35912 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, along Bonita Vista Rd. at foot of hills 1580 Comment
  UCR35267  Nicotiana attenuata L. B. Ziegler 1973-8-15 517 Riverside Peninsular Range; San Jacinto Mtns., Hemet (Garner) Valley 1402 Comment
  RSA781023  Nicotiana clevelandii D. Silverman, Onkar Singh 2010-3-27 7861 Riverside McCoy Wash, N of Palo Verde Mesa, 4.8 km WSW of Mesaville siding, W of A Canal/Levee Blvd., and ca. 6 km N of Blythe Airport 131 Comment
  CHSC1925  Nicotiana glauca V. Holt 1942-3-29 Riverside Santa Rosa mountains. Comment
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Mar 23 2014
  RSA710134  Nicotiana obtusifolia Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring. Comment
  RSA744303  Nicotiana obtusifolia M. Wall 2009-4-5 503 Riverside Ladder and Painted Canyons east of Mecca. 231 Comment
  UCR166544  Nicotiana obtusifolia Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10890 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  VVC694  Nicotiana obtusifolia P. J. MacKay, T. Thomas 1997-2-8 101 Riverside Sonoran Desert, Palm Springs, Murray Canyon; at edge of creek btw palm groves 243 Comment
  UC129476  Nicotiana quadrivalvis H. M. Hall 1907-7-2 8007 Riverside vicinity Riverside (Santa Ana River); Santa Ana River 274 Comment
  UC489165  Nicotiana quadrivalvis C. V. Meyer Jun 1927 103 Riverside Temecula Comment
  UC64483  Nicotiana quadrivalvis H. M. Hall Jun 1897 Riverside Riverside Comment
  LA22820  Nolina parryi Carl Epling; 1933-6-26 sn Riverside Little San Bernardino Mountains, Key's View 1523 Comment
  RSA640759  Nolina parryi Russell S. Woglum 1937-5-22 539 Riverside Santa Rosa Mountains. Comment
  UC63870  Nolina parryi H. M. Hall July 1901 2432 Riverside lower end San Jacinto Mts., Tahquitz Val. 1828 Comment
  UCR152583  Nolina parryi James C. Dice 1985-6-13 618 Riverside Peninsular Range; San Jacinto Mtns., Pinyon Flat, c. 1.3 km N of Hwy 74 1250 Comment
  CAS-BOT-BC71164  Notholaena californica W. G. Wright 1890-1-1 s.n. Riverside Agua Caliente, desert slope of San Jacinto Mt. Comment
  SBBG267  Notholaena californica H. and M. Dearing 1942-1-10 4784 Riverside Tahquitz Cyn, near Palm Springs Comment
  POM259122B  Notholaena californica subsp. californica A. Lefebure 1941-03 s.n. Riverside Andreas Canyon, near Palm Springs Comment
  POM9801  Notholaena californica subsp. californica P. A. Munz 1922-07 4704 Riverside Andreas Canyon. Comment
  SEINET3872753  Notholaena californica subsp. leucophylla Lewis S. Rose 1966-12-13 66102 Riverside Palm Springs, Tahquitz Wash.; 0 183 Comment
  CAS-BOT-BC171494  Oenothera californica Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  POM355280  Oenothera californica subsp. californica N. C. Cooper 1944-5-20 1245 Riverside Palms to Pines Hwy., San Jacinto Mtns. 1372 Comment
  RSA146287  Oenothera californica subsp. californica William M. Klein, R. K. Benjamin 1960-3-22 1303 Riverside Along California State Hwy 74 approximatley 12 miles east of the junction of the Aguanga-Anza road. Comment
  RSA355640  Oenothera californica subsp. californica N. R. Zabriskie, W. M. Zabriskie 1972-3-30 493 Riverside Carrizo Rd., north of Hwy 74, Santa Rosa Mts. 1220 Comment
  UCR134599  Oenothera deltoides Marisa Sripracha, Kyle Boyd 2004-2-14 015 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  UCR84980  Oenothera deltoides A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16216 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  CLARK-A1045-127  Oenothera micrantha var. exfoliata George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep Canyon; Palm Desert 15'Q Comment
  RSA0102412  Oenothera refracta Lyman Benson, Robert Benson 1952-4-8 14851 Riverside 2 miles west of Shaver Summit east of Indio, U.S. 66. 609 Comment
  RSA660931  Oenothera rosea A. C. Sanders 1998-4-11 21750 Riverside NE edge of UCR campus, E of A & I dorms and S of Watkins Dr., near Parking Services Bldg. 335 Comment
  RSA698252  Oenothera scapoidea J. R. Bruff 1932-3-13 s.n. Riverside Between Palm Springs and P. Canyon. Comment
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Aug 27 2011
  RSA335031  Olea europaea Steve Boyd 1985-7-23 1004 Riverside De Luz Rd., 5.5 miles west of Rancho California. 396 Comment
  RSA4934  Oligomeris linifolia Carl B. Wolf 1932-4-27 3063 Riverside North base of Chuckwalla Mountains, 5 miles East of Desert Center, Colorado Desert. 152 Comment
  SD143540  Oligomeris linifolia R. D. Goeden, D. W. Ricker 1979-3-29 Riverside Coachella Valley: Indio, Monroa St. -6 Comment
  RSA0014648  Olneya tesota April Garbat, Sarah J. De Groot 2013-4-24 55 Riverside Chuckwalla Valley Rd W of Graham Pass Rd. Both sides of the road. 189 Comment
  SFV17326  Olneya tesota J. N. Hogue, J. D. Dilley 1998-4-23 108 .9 Riverside Chuckwalla Mountains. Corn Springs Wash at Corn Spring. 488 Comment
  SEINET1004536  Oncosiphon piluliferum A. C. Sanders, T. B. Salvato 2005-1 30239 Riverside Perris Basin: San Jacinto Valley, Gilman Springs Rd., at Quail Lake Golf Course. (El Casco 7.5' Quad) 439 Comment
  SEINET5497541 Image available Oncosiphon piluliferum Andrew C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24210 Riverside Perris-Aguanga region; Moreno Valley, along I-215 just south of the March Field Museum, 0.7 mi. south of Van Buren Blvd. 465 Comment
  SEINET11261874  Oncosiphon piluliferum R. E. Riefner Jr. 2011-5-31 11 -61 Riverside French Valley, immediately NE of Hwy 79 and the intersection with Algarve Ave.; 0 415 Comment
  SEINET848197  Opuntia acanthocarpa C. B. Wolf, P. C. Everett 1939-1 3349 Riverside San Jacinto Range, Deep Canyon on Palms-Pines road, 2 miles below pinyon flat F.S. Camp; 1066 Comment
  SEINET3071813  Opuntia basilaris Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17499 Riverside Queen Mountain quadrangle, zone 11 0585460mE 3765223mN NAD83, Queen Valley, 1km west of Desert Queen (McHaney's) Mine, 1km ESE of the summit of Negor Hill, 13km SSW of Twentynine Palms 1335 Comment
  UCR41330  Opuntia basilaris var. basilaris N. M. Fellows 1984-11-12 19 Riverside San Jacinto Mtns., Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mtn. 489 Comment
  POM306432  Opuntia chlorotica Scott Haselton 1962-12-28 s.n. Riverside San Jacinto Mountains. Palms to Pines Highway; east side. 1220 Comment
  RSA0002171  Opuntia erinacea var. paucispina M. B. Dunkle 1934-11-3 4236 Riverside Ribbonwood. Santa Rosa Mountain. 1524 Comment
  UCR48381  Opuntia littoralis Steve Boyd 1986-5-7 1833 Riverside Peninsular Range, Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, south of Hwy I-15 366 Comment
  POM306805  Opuntia parryi David Griffiths 1911-1 10397 Riverside Banning region of California Comment
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Apr 5 2007
  POM284057  Opuntia vaseyi Lyman Benson 1955-12-6 15621 Riverside Hills 3 miles southeast of Redlands. Crystal Springs. San Bernardino foothills. 488 Comment
  SEINET10500314  Orobanche cooperi David B. Dunn 1946-3-17 Dunn 2107 Riverside Growing in desert sand on alluvial fan from Pushawalla Canyon. Indio hills. Both Larrea and Hymenoclea and also Franseria growing close by. Comment
  UCR21186  Orobanche fasciculata A. C. Sanders 1980-5-1 1382 Riverside San Jacinto Mtns, Garner Valley area, 0.7 mi NE of the Kenworthy R.S. on Morris Ranch Rd. 1524 Comment
  UCR24887  Orobanche fasciculata A. C. Sanders 1980-7-18 1635 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  RSA562105  Osmorhiza brachypoda Steve Boyd 1992-4-14 6801 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewater Canyon, S of Sitton Peak. 793 Comment
  UCR34981  Osmorhiza brachypoda L. B. Ziegler 1972-4-7 447 Riverside San Jacinto Mtns., canyon on N slope Baldy Mtn. 1646 Comment
  CDA8433  Palafoxia arida G. D. Barbe, T. C. Fuller 1973-2-27 1043 Riverside West side of Coachella Canal, 5 miles east of Mecca on Highway 195, mouth of Box Canyon Wash. 0 Comment
  SBBG65761  Palafoxia arida R. Hoffmann 1928-10-21 Riverside below Fig Tree John's [Figtree John Spring] -60 Comment
  RSA0118060  Palafoxia arida var. arida Sarah J. J. De Groot, Thomas Stoughton 2016-2-18 7617 Riverside Mecca Hills: side canyon (east fork) of Painted Canyon. 182 Comment
  RSA21761  Palafoxia arida var. arida C. B. Wolf 1937-4-6 8433 Riverside Coachella Valley, 3 miles N of Indio. 0 Comment
  SEINET269259  Palafoxia arida var. arida M. A. Patten, S. J. Myers 1993-8-20 Riverside Along Tahquitz Creek and in neighboring creosote scrb behind the debris basin dam in Palm Springs. 183 Comment
  UC1069985  Palafoxia arida var. arida H. S. Yates 1936-4-6 5408 Riverside Palm Springs San Jacinto Quadrangle Comment
  SEINET11810387  Palafoxia linearis J. F. Bright, Wyman, C. 1933-1 8068 Riverside near Palm Springs Comment
  UCR24014  Panicum alatum var. minus John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, 18 mi. west of Blythe 122 Comment
  RSA0087456  Panicum dichotomiflorum subsp. dichotomiflorum Sarah J. De Groot, Amy Rouillard 2015-9-15 7568 B Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  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
  RSA359884  Parietaria hespera var. californica Steve D. Boyd 1986-4-2 1596 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  SBBG89555  Parkinsonia aculeata J. Adams 1965-5-9 211 Riverside northern section of Palm Springs on Hwy 111 243 Comment
  SFV21858  Parkinsonia aculeata J. R. Pucci 2001-5-6 24 Riverside San Jacinto Mountains Chino Canyon. Along south side of Tramway Road, about 1.5 miles west of Highway 111. 365 Comment
  CAS-BOT-BC389657  Parkinsonia florida Deidre Conocchioli; Duncan S. Bell 2014-3-11 151 B Riverside Devil Canyon in the Santa Rosa Wilderness area. W of Coachella Valley, 3 miles S of Lake Cahuilla 110 Comment
  SJSU10308  Parkinsonia florida R. C. McGehee 1971-4-12 364 Riverside 10 mi NE of Desert Center on Rice-Desert Center Rd Comment
  UCR275513  Parkinsonia florida D. E. Bramlet 2010-3-1 4454 Riverside Sonoran (Colorado) Desert, West Berdoo Canyon, Little San Bernardino Mtns., c. 6 air miles north of Indio 366 Comment
  RSA698048  Parosela emoryi J. Russell Bruff 1929-1-1 406 Riverside 1000 Palms Comment
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Nov 9 2011
  RSA0073235  Parosela schottii Bonnie C. Templeton, I. W. Clokey 1930-4-9 1000 Riverside North of Palm Springs, Colorado Desert. 304 Comment
  RSA471719  Pectis papposa J. S. Stubblefield 1934-9-12 s.n. Riverside Between Desert Center & Blythe. 106 Comment
  GMDRC3106  Pectis papposa var. papposa J. Andre, T. La Doux 2008-9-13 10268 Riverside Eagle Mountains: at Joshua Tree Natl. Park boundary, lower slopes of south end of Eagle Mtns, along aqueduct access road 33 deg. 44.231' N 115 deg. 29.059' W. Elev. 1164 ft. 355 Comment
  UCR263478  Pectocarya anisocarpa A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41497 Riverside San Gorgonio Pass, north of San Gorgonio River wash, c. 3 miles east of Cabazon, south of I-10 and generally NE of water bottling plant 457 Comment
  JEPS20707  Pectocarya heterocarpa Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13251 Riverside 11.3 mi n Blythe; US Hwy 95 Comment
  RSA727008  Pectocarya heterocarpa Naomi Fraga, Lisa Rojas 2005-2-10 1423 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 502 Comment
  UCR214710  Pectocarya heterocarpa A. C. Sanders, Richard Dwerlkotte 2010-3-22 37516 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 1.5 mi. SE of Sidewinder Well, south end of Palen Dry Lake, SW of Palen Mtns. 130 Comment
  POM368730  Pectocarya linearis Ora M. Clark 1929-3-2 1957 Riverside Near Elsinore. Comment
  RSA769651  Pectocarya linearis subsp. ferocula Duncan S. Bell, Naomi Fraga 2010-4-22 852 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.2 air miles southeast of junction of Highway 74 and forest service road 5S15. Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 771 Comment
  UC551833  Pectocarya penicillata F. R. Fosberg 1932-5-9 10639 Riverside near Hemet; St John's Grade 770 Comment
  UCR120940  Pectocarya penicillata A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24978 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR244429  Pectocarya penicillata Jim Andre 2012-4-16 20962 Riverside Southern Mojave Desert, Joshua Tree National Park; north side of Mt Ryan at Sheep Pass Campground area 1370 Comment
  RSA605222  Pectocarya peninsularis A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16140 Riverside Coachella Valley, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and I10. 329 Comment
  RSA0031014  Pectocarya platycarpa J. Andre 2013-3-27 24802 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 242 Comment
  RSA0123295  Pectocarya platycarpa Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8981 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
  GMDRC9791  Pectocarya recurvata J. M. Andre 2017-3-1 37987 Riverside Orocopia Mountains: north end of range, along Pinto Rd, 1.3 mi. ESE of Interstate 10 ( Box Cyn/Cottonwood Spring Rd exits). 479 Comment
  RSA775799  Pectocarya recurvata Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 989 Riverside Iron Mountains, on southwest side of mountains in drainage on either side of the road 419 Comment
  RSA777441  Pectocarya recurvata Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 974 Riverside Road to Priest's Well, east side of Arica Mountains 488 Comment
  RSA401955A  Pedicularis densiflora Christopher Davidson 1973-4-1 1809 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  SD255602  Pellaea andromedifolia Mitch Provance 2012-5-24 512 18 Riverside San Bernardino Mountains: Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson Street (Beaumont 7.5'Q) 868 Comment
  IRVC3155  Pellaea mucronata var. californica R. H. Whittaker, W. A. Niering 1963-5-27 SJ 5 Riverside Mountain Center; Hemet Highway [74]; slope ESE 20 degrees; slightly concave. Peninsular Ranges, San Jacinto Mountains 1448 Comment
  RSA49194  Pellaea mucronata var. mucronata P. A. Munz 1949-4-13 13048 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
  RSA495413  Pellaea mucronata var. mucronata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-12 2948 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA686890  Pellaea mucronata var. mucronata Norman C. Cooper 1944-6-17 1426 Riverside San Jacinto Mountains: above Banning 1372 Comment
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May 13 2011
  SD73461  Penstemon E. W. Lathrop 1969-5-29 7082 Riverside 8 miles west of Murrieta on the Main Divide Truck Trail between Tenaja Rd. and Los Alamos Canyon, along stream Comment
  JEPS11253  Penstemon centranthifolius C. V. Meyer June 1927 272 Riverside Saunder's Meadow San Jacinto Mts., Saunder's Meadow Comment
  RSA305628  Penstemon centranthifolius C. W. Tilforth, Walter Wisura 1979-10-10 1915 Riverside 0.3 mi. west of Highway 74 on Thomas Mtn. Rd., ca. 1 mi. south of Lake Hemet, Garner Valley. 1341 Comment
  RSA412461  Penstemon centranthifolius E. C. Jaeger 1921-6-1 s.n. Riverside Gregg's Ranch, San Jacinto Mtns. 1372 Comment
  SD152743  Penstemon centranthifolius Steve Boyd 1992-4-15 6882 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. downstream to the confluence with San Mateo Creek. 334 Comment
  RSA96996  Penstemon centranthifolius R. M. Straw 1953-6-5 446 Riverside 0.2 mi. west of Palms to Pines Hwy on road to Anza. Comment
  CDA33582  Penstemon clevelandii Mike Lahti 2010-5-3 PDR# 1358703 Riverside Pinyon Flats. Comment
  CAS-BOT-BC265294  Penstemon clevelandii subsp. connatus Edmund C. Jaeger 1939-5-4 s.n. Riverside Pinon Alta Flats, Santa Rosa Mountains 1219 Comment
  POM122817  Penstemon labrosus Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  RSA284585  Penstemon labrosus C. W. Tilforth, John Dourley 1980-7-15 2072 Riverside South of Thomas Mountain Campground along Thomas Mountain Road, south of Lake Hemet & west of Highway 74. Comment
  PASA881  Penstemon linarioides var. californicus Frank W. Peirson 1922-5-21 Riverside Hamet Valley, San Jacinto Mts. 1371 Comment
  UCD124329  Penstemon spectabilis K. M. Meyer; A. Townesmith, T. Scott 2007-3-18 134 Riverside San Bernardino National Forest, 1 mile up Little Thomas Mountain Road. (Forest Road 6S13) just south of Lake Hemet from Rt. 74. 1467 Comment
  SD46062  Penstemon spectabilis var. spectabilis Helen K. Sharsmith 1954-7-7 4445 Riverside San Jacinto Mountains, on highway between Banning and Idyllwild, near Fuller creek, San Bernardino National Forest 1829 Comment
  RSA734888  Pentachaeta aurea A. C. Sanders, Tim Thomas 2008-6-20 35530 Riverside May Valley area, at spring with trough, along dirt road (May Valley Rd.) c. 1.5 mi. ENE of Keenwild, 0.5 mi. NW of FS Rd. 5S05 1600 Comment
  UCR226785  Peritoma arborea Jim Andre 2011-2-9 15903 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
  JEPS34960  Perityle emoryi Mary Beal 1941-4-6 861 Riverside Box Canyon Colorado Desert, Coachella Valley, Mecca Hills Comment
  UCR255952  Perityle emoryi Deidre Conocchioli, Duncan S. Bell 2014-3-4 147 Riverside east side of Santa Rosa Mountains, west edge of Coachella Valley,1.3 mi down dirt BLM road from paved 58th Avenue, 4WD road south of Lake Cahuila and La Quinta 37 Comment
  UCSB22910  Perityle emoryi Day, Fran 1964-3-23 Riverside 3 miles east of U.S. 99 on Ramon Road 91 Comment
  HSC80299  Persicaria punctata Steve Boyd 1985-7-23 1014 Riverside 8 mi. W of Rancho California, Sandia Creek 305 Comment
  CAS-BOT-BC167774  Petalonyx thurberi L. R. Abrams 1926-3-26 11106 Riverside Between Edom and Garnet east of San Gorgonio Pass Comment
  RSA445158  Petalonyx thurberi A. Menke 1955-5-22 s.n. Riverside Palm Springs Station. Comment
  RSA612171B  Petunia parviflora Louis C. Wheeler 1932-7-9 932 Riverside Santa Ana River at Chino Creek. 152 Comment
  UCR23256  Petunia parviflora John C. Roos 1952-5-28 5728 Riverside Perris-Aguanga Basin region, San Jacinto River bottomland 1 mile southeast of Perris 427 Comment
  CAS-BOT-BC326734  Peucephyllum schottii Roxana S. Ferris 1918-6-14 984 Riverside Box Canyon near Shavers Well, Chocolate Mts., Mecca - Blythe Road Comment
  CAS-BOT-BC326770  Peucephyllum schottii Peter H. Raven 1958-3-15 11831 Riverside Painted Canyon near Mecca Comment
  CHSC8269  Phacelia Edward L. Smith 1958-3-21 353 Riverside Located 10 mi. e of Indio on hwy. 60. 213 Comment
  CHSC8308  Phacelia Edward L. Smith 1958-3-21 373 Riverside Located 6 mi. s of Rice, near Priest's Well. Little Santa Maria Mts. 365 Comment
  POM13312  Phacelia ambigua E. C. Jaeger 1921-5-20 1076 Riverside Palm Springs. Comment
  RSA519023  Phacelia ambigua D. A. Hoover 1986-4-7 775 Riverside Sandy bottom of the main canyon at the BLM gate. 549 Comment
  RSA554433  Phacelia ambigua Theo Glenn 1991-5-8 91 -77 Riverside Sonoran (Colorado) Desert Big Maria Mtns, north of Blythe. 378 Comment
  JEPS1555  Phacelia brachyloba W. L. Jepson May 17 1901-Jun 1 1901 1282 Riverside near Strawberry Valley; Mt. San Jacinto, San Jacinto Canyon Comment
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Jul 8 2014
  UCR16826  Phacelia brachyloba B. Freeman 1968-5-4 680504- 8 Riverside San Jacinto Mtns., Road from Banning to Idyllwild, c. 1 mi. NW of fork to Twin Pines Ranch. 1159 Comment
  SD119898  Phacelia campanularia Louis B. Ziegler 1973-5-2 508 Riverside Desert slopes of San Jacinto Mountains near Hwy #74, Ao to 1 mile below Pinyon Flats 1189 Comment
  UCSB5353  Phacelia campanularia Haller, John 1957-3-23 Riverside At mouth of Morongo Canyon, ca. 8 road miles N. of U.S. 99 and 1 air mile S. of Riverside-San Bernardino Co. line 762 Comment
  RSA296753  Phacelia campanularia Lyman Benson 1945-3-29 11626 Riverside Canyon on Palm Spring Rd. Little San Bernardino Mt 610 Comment
  RSA776235  Phacelia campanularia subsp. campanularia Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 869 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 610 Comment
  UC511759  Phacelia campanularia subsp. campanularia Frank W. Peirson 1926-2-22 6499 Riverside talus slope at e end Bridge over Whitewater River Comment
  POM184736  Phacelia campanularia subsp. vasiformis C. L. Hitchcock 1932-4-9 12230 Riverside White tanks, eastern Riverside. Comment
  SEINET1906693  Phacelia cicutaria var. hispida A. C. Sanders, Seung, Chul Kim, Plant Taxonomy Class 2005-1 30009 Riverside Peninsular Range, Agua Tibia Mountains: UC Emerson Oaks Reserve, ca 8 miles southeast of Temecula, S of hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank. 457 Comment
  UCR18538  Phacelia ciliata O. F. Clarke 1973-3-10 s.n. Riverside Lakeview Area, 2.5 mi north of Ramona Expressway on Davis Rd. 434 Comment
  CLARK-A1528-5436  Phacelia crenulata John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  SDSU6651  Phacelia crenulata C. V. Morton 1949-3-20 2066 Riverside 16 miles east of Mecca, Riverside Co. 518 Comment
  UC1426006  Phacelia crenulata var. ambigua C. W. Tilforth 1973-4-29 773 Riverside State Hwy 74 2 mi s bridge at base of Seven Level Hill (s of Palm Desert) 457 Comment
  UC974993  Phacelia crenulata var. ambigua Rimo Bacigalupi and J. F. MacBride 1952-4-1 3598 Riverside 3 1/2 mi e Coachella Comment
  UCR74369  Phacelia crenulata var. ambigua Theo Glenn 1991-4-30 92- 71 Riverside Sonoran (Colorado) Desert, McCoy Mtns, NW of Blythe 280 Comment
  UCSB34131  Phacelia crenulata var. ambigua Nilsen, Erik 1977-3-5 Riverside Upper Bajata, Riverside county 304 Comment
  UCR88426  Phacelia cryptantha A. C. Sanders, K. C. Rose 1995-4-5 16351 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  UCSC001207  Phacelia cryptantha Peter Kamb 1948-4-11 1116 Riverside Aqueduct Road 5 mi east of Garnet Garnet - Aqueduct Road, Coachella Valley 305 Comment
  RSA426212  Phacelia distans Robert L. Rutherford 1945-5-24 1659 Riverside Big Oaks Canyon, Banning 1220 Comment
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Oct 30 2011
  RSA525673  Phacelia distans Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4544 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  SBBG34723  Phacelia distans T. L. Secrest 1950-3-12 Riverside near Indio Comment
  UC702033  Phacelia distans Frank W. Gould 1943-4-17 2104 Riverside on Elsinore road 12 mi s Corona Comment
  UCR133956  Phacelia distans Mitch Provance, J. S. Ross 1998-3-27 MOR- 970 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 915 Comment
  UCR241197  Phacelia distans Tracy Tennant, Jeffrey Ross 1998-7-11 MOR- 525 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  JOTR33961  Phacelia fremontii La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2847 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; sandy wash and gravelly benches with bouldery granitic outcrops Comment
  RSA571313  Phacelia minor Steve Boyd, D. L. Banks 1994-4-5 8262222 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero. 762 Comment
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Feb 17 2013
  RSA69365  Phacelia minor G. R. Campbell 1951-5-30 16138 Riverside 9 miles west of Anza. 1067 Comment
  RSA775499  Phacelia minor Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4472 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 488 Comment
  UCD120567  Phacelia minor A. A. Beetle 1940-1 s.n. Riverside Near Sage. Comment
  UCR274199  Phacelia minor T. B. Salvato, Gregg Miller 2005-6-7 1447 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 Comment
  UCR214899  Phacelia neglecta A. C. Sanders 2010-3-23 37528 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mtns. 140 Comment
  SBBG65013  Phacelia pedicellata M. N. Ackley 1928-4-3 406 Riverside Devils Cyn, Coral Reef Ranch 121 Comment
  HSC82952  Phacelia ramosissima N. M. Fellows, A. C. Sanders 1985-5-7 179 Riverside Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi. W of Snow Creek Village 488 Comment
  RSA736854  Phacelia ramosissima Scott D. White, Angelia Carey 2004-7-2 10593 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  POM122256  Phacelia ramosissima var. latifolia Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  UCR18872  Phacelia ramosissima var. suffrutescens John C. Roos 1952-5-26 5718 Riverside Haas' Ranch, Reche Canyon 457 Comment
  POM3783  Phacelia tanacetifolia I. M. Johnston 1918-4-27 s.n. Riverside Near Corona. 274 Comment
  UCR182301  Phalaris aquatica Mitch Provance, Brett Provance 2005-5-27 5700 Riverside San Bernardino Valley, Riverside (Arlington Heights area), SE corner of Cleveland Ave. and Irvine St. (inc. about 50 yards E on Cleveland) 277 Comment
  RSA443395  Phalaris aquatica J. C. Roos 1962-6-30 s.n. Riverside Head of Tin Mine Canyon Comment
  UCR266364  Phalaris lemmonii D. E. Bramlet 2005-5-4 3845 Riverside Perris-Aguanga Basin Region, San Jacinto Valley, Winchester, along railroad tracks 454 Comment
  RSA515337  Phalaris minor Jeri Hirshberg 1989-5-3 s.n. Riverside Santa Rosa Plateau; S of town of Murrieta, on W side of Mesa de Burro., (Near 33 deg 31'N, 117 deg 14'W). 549 Comment
  SEINET10516949  Phleum alpinum David B. Dunn 1946-8-17 Dunn 2680 Riverside Grass near stream at camp in Taquity valley damp meadow area. San Jacinto Mountains. 2438 Comment
  RSA40604  Phlox austromontana J. C. Roos 1946-8-27 2922 Riverside Santa Rosa Mountains. 2287 Comment
  RSA0034087  Phoenix canariensis Duncan S. Bell 2013-1-30 4446 Riverside The Mecca Hills; in an unnamed canyon between Thermal Canyon and Painted Canyon, just to the southwest of Mecca Hills peak 1642. 103 Comment
  JOTR28818  Pholistoma membranaceum La Doux, Tasha 2005-3-1 1086 Riverside Joshua Tree National Park. 3.5 miles North of Cottonwood Visitor's Center at exhibit Comment
  RSA771693  Pholistoma membranaceum Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4689 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 W116.65123 604 Comment
  RSA0009615  Pholistoma membranaceum Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  LA89811  Phoradendron bolleanum subsp. densum Harlan Lewis; 1940-12-14 sn Riverside Santa Rosa Mountains, Pinon Flats Comment
  OBI53673  Phoradendron californicum Dennis Kucera 1987-11-14 s.n. Riverside Malki Museum garden, E of Banning off Fields Rd, Morongo Indian Reservation 610 Comment
  SD84924  Phoradendron californicum Nancy Ryan Zabriske, Walter Zabriskie 1971-10-24 460 Riverside southeast of turnoff to clubhouse from Andreas Canyon Club road; Andreas Canyon Watershed, east slope San Jacinto Mountains 320 Comment
Read comments
Jun 21 2013
  UC1073269  Phoradendron densum George B. Rossbach 1955-4-22 233 Riverside between Juniper Flat and Stubby Spring; Little San Bernardino Mts. 1402 Comment
  UCSB39083  Phoradendron leucarpum subsp. tomentosum Jorgensen, Jan 1982-1-19 Riverside 1 kilometer up Carizzo Road from highway 74 north of Palm Desert, San Jacinto Mountains 1100 Comment
  UCR165848  Phoradendron macrophyllum T. B. Salvato, John F. Green 2004-5-27 636 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
  UCR58849  Phoradendron macrophyllum Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3218 Riverside Peninsular Range, Vail Lake area at N end of Kolb Creek, near campground 457 Comment
  CAS-BOT-BC260908  Phragmites australis S. B. Parish 1912-7-3 8069 Riverside Salton Bridge near Durmid Comment
  POM172734  Phragmites australis M. French Gilman 1930-4-6 s.n. Riverside [Monsen] Canyon, Eagle Mts. Comment
  JOTR34307  Physalis crassifolia Andre, Jim 2012-4-11 20721 Riverside Joshua Tree National Park. Pinto Basin; along road to Cootonwood, I mi NW of Fried Liver Wash, approx. 15 mi S of Hwy 62 in Twentynine Palms 617 Comment
  POM184043  Physalis crassifolia Philip A. Munz 1932-3-15 12004 Riverside Magnesia Spring Canyon, Coachella Valley. 91 Comment
  RSA15522  Physalis crassifolia L. S. Rose 1936-1-1 36001 Riverside 19 mi. N of Indio, Aqueduct Rd. 610 Comment
  RSA444461  Physalis crassifolia Roos 1965-6-23 s.n. Riverside Lost Palms Wash. Comment
  RSA700972  Physalis crassifolia Steve D. Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11216 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
  RSA733960  Physalis crassifolia W. Marquart 1938-3-12 s.n. Riverside 20 miles west of Blyth. Comment
  UC566780  Physalis crassifolia H. L. Mason 1928-3-10 4185 Riverside Whitewater River Comment
  UCR103322  Physalis crassifolia George K. Helmkamp, E. A. Helmkamp 1998-2-5 2653 Riverside Sonoran (Colorado) Desert, Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  UCR20833  Physalis crassifolia A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1318 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  UCR41437  Physalis crassifolia B. G. Pitzer 1986-2-9 10 Riverside Sonoran (Colorado) Desert, Santa Rosa Mountains: Martinez Canyon, SW of Valerie Jean, on upper fan, c. 1 mi east of mouth of canyon 122 Comment
  UCSB44693  Physalis crassifolia Hibbard, Doug 1977-5-14 Riverside Off east side of Hwy 74, 3.3 miles from its intersection with Hwy 111 280 Comment
  UCSB6879  Physalis crassifolia Graney, Don 1953-3-21 Riverside 11 miles east of Indio; Colorado Desert Comment
  UCR201440  Pinus monophylla Scott D. White, Justin M. Wood 2008-6-17 12187 Riverside San Jacinto Mountains, Morris Ranch Road, open area west of Goff Flat 1641 Comment
  RSA741423  Piptatherum miliaceum Justin M. Wood 2008-12-2 260 Riverside City of Temecula, Murrieta Creek, downstream of 1st street bridge. 290 Comment
  UCR270762  Pityrogramma triangularis T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8384 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 424 Comment
  UCR275951  Pityrogramma triangularis T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3782 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
  RSA709637  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. 305 Comment
  SEINET272164  Plagiobothrys arizonicus G. K. Helmkamp, E. A. Helmkamp 1997-3-5 1332 B Riverside Riverside Co CA. 2.8 mi SE of Gilman Hot Springs. UTM 10km cell: NH-0E 4N. Gilman Hot Springs. 518 Comment
  UC882293  Plagiobothrys arizonicus Mary F. Spencer 1922-4-23 2086 Riverside near Banning; Millard Canyon 716 Comment
Read comments
Mar 13 2011
  RSA715309  Plagiobothrys canescens A. C. Sanders, John Green 2006-5-18 32369 Riverside Temecula/Murrieta Region: SE of Murrieta Hot Spings along San Diego Aqueduct and powerline route, S of intersection of Chandler and Suzi Rds. and S of Hurrieta Hot Springs Rd., Side canyon dropping toward Santa Gertrudis Creek, 1 mile SW of Skunk Hollow. 351 Comment
  RSA639626  Plagiobothrys collinus var. californicus R. F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 51977 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  POM13639  Plagiobothrys collinus var. fulvescens P. A. Munz 1922-6-30 5912 Riverside Santa Rosa, Santa Rosa Mountains. 1982 Comment
  RSA0119986  Plagiobothrys collinus var. fulvescens Duncan S. Bell, Thomas Stoughton 2016-4-13 9266 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  RSA562489  Plagiobothrys fulvus var. campestris Steve Boyd, Tim Ross 1992-5-5 7247 Riverside Southern Santa Ana mountains, San Mateo Canyon Wilderness Area. Isolated grassland area south Oak Flats, southwest of the Bluewater Trail 732 Comment
  RSA80216  Plagiobothrys leptocladus F. W. Peirson 1922-4-29 4273 Riverside Field S of Lake Elsinore 375 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
  UCR249828  Plagiobothrys tenellus T. B. Salvato, John Lovio 2013-3-19 7367 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  UC173743  Plantago erecta T. S. Brandegee Apr 1901 Riverside Colorado Desert Comment
  UCR113136  Plantago erecta A. C. Sanders 1998-3-11 21674 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near high water line of reservoir under construction 518 Comment
  UCR280834  Plantago lanceolata T. B. Salvato, Gregg Miller 2005-6-3 1372 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River c. 2.5 mi SSW of Perris, 1.5 mi downstream of Goetz Road where the river leaves the Perris Plain and enters the hill area above Railroad Canyon 427 Comment
  RSA778627  Plantago ovata Duncan S. Bell 2009-3-8 68 Riverside Arica Mountains: the north tip of the mountain range approximately 3 air miles northwest of Priest Well, or approximately 5.5 air miles southwest of the ghost town of Rice. 404 Comment
  UCR100875  Plantago ovata George K. Helmkamp, E. A. Helmkamp 1998-2-18 2698 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  RSA402017A  Plantago ovata var. fastigiata N. C. Cooper 1949-4-8 3262 Riverside Mecca Pass east of Indio. 457 Comment
  POM94813  Plantago ovata var. fastigiata Marcus E. Jones 1926-2-16 s.n. Riverside West of Desert Center Comment
  RSA785717  Platanus racemosa Doris Bowers 1972-4-15 1829 Riverside Pulgas Creek Canyon, Rancho California. 396 Comment
  CAS-BOT-BC91888  Platystemon californicus A. C. Sanders; G. Helmkamp 1997-3-15 19985 Riverside Lake Skinner Area, northeast shore of Skinner Lake, southeast foot of Bachelor Mountain, northeast slope of small hill. 473 Comment
  RSA739081  Platystemon californicus Keith E. Hoffmaster 1937-6-6 775 Riverside San Jacinto Mountains. Comment
  RSA775810  Platystemon californicus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 890 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 915 Comment
  UC167977  Platystemon californicus Katharine Brandegee and Charlotte M. Wilder May 12 1905-May 17 1905 Riverside Wilders near Riverside; near Riverside Comment
  UCR16435  Platystemon californicus Joe Buriel 1966-3-26 s.n. Riverside Peninsular Range, Robb Road [=Lake St.], 1 mi south of Temescal Canyon Road, 2 mi northwest of Lake Elsinore, near RR tracks 427 Comment
  POM9222  Platystemon californicus I. M. Johnston 1920-5-8 2268 Riverside Jurupa Mts, extreme west end. between Riverside and Ontario. 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
  UCR4612  Plectritis ciliosa subsp. insignis Frank C. Vasek 1960-4-12 600412- 04 Riverside Peninsular Range, County road S16 (Pala Rd.) between Temecula and Pala, 0.5 mi north of the San Diego Co. line Comment
  CLARK-A1528-2187  Pleurocoronis pluriseta John C. Roos 1946-11-30 3172 Riverside Chuckwalla Mountains Comment
  JOTR35069  Pleurocoronis pluriseta La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3521 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocky slopes; above narrow side canyon Comment
  UCR189287  Pluchea odorata Fred M. Roberts, S. Leatherman 2007-9-19 6586 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  CAS-BOT-BC326549  Pluchea sericea Geo. B. Grant 1906-4-20 s.n. Riverside Palm Springs Comment
  RSA0117145  Pluchea sericea Mitchell Provance 2012-9-5 912 -12 Riverside Beaumont Plateau: City of Beaumont, lower reaches of Potrero Creek, adjacent to Four Seasons Development, west side of Highland Springs Ave., 1.1 miles south of the I-10 freeway. 762 Comment
  LA206407  Poa nevadensis Frank W. Gould; 1943-4-18 2153 Riverside San Jacinto Mountains, 1 mi. W of Banning, foothills of mountains Comment
  CAS-BOT-BC242993  Poa secunda subsp. secunda S. B. Parish 1907-4-18 6141 Riverside White [Whitewater?] Canyon, Palm Springs, W edge of Colorado Desert 200 Comment
  CAS-BOT-BC413938  Polygonum aviculare subsp. aviculare H. A. Zuill 1966-6-27 244 Riverside 2-4 miles WSW of Murrieta Comment
  SEINET2042036 Image available Polygonum hydropiperoides George Helmkamp, E. A. Helmkamp 2000-8-29 5985 Riverside Colorado Desert: S of Mecca, where Lincoln St. Crosses the Whitewater River. Ca. 0.5 mi from the Salton Sea. 67 Comment
  RSA339614  Polygonum lapathifolium Robert F. Thorne, Kay L. Wright, Richard K. Benjamin 1982-10-8 55371 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  UCR59663  Polypodium californicum Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2952 Riverside Peninsular Range, Vail Lake area, Temecula Creek Canyon, just below Vail Lake Dam. 488 Comment
  RSA792258  Polypogon monspeliensis D. M. McF 1954-5-28 11 Riverside Jct Hwy 395 and Newport Ave. Comment
  SDSU13614  Polypogon monspeliensis W. Miller, C. Mosse 1972-7-11 Riverside Comment
  UCR139136  Polypogon monspeliensis Julie A. Greene 1993-4-17 1208 Riverside San Jacinto Valley, San Jacinto Wildlife Area, west of Davis Rd 439 Comment
  LA204817  Polystichum kruckebergii Lawrence L. Kiefer; 1966-7-24 2281 Riverside San Jacinto Mountains, 0.25 mi NW of the summit of Tahquitz Canyon 2590 Comment
  CAS-BOT-BC102606  Populus fremontii Alice Eastwood 1919-3-15 7986 Riverside Indio Comment
  RSA5075  Populus fremontii Carl B. Wolf 1932-4-28 3084 Riverside Along the Colorado River near the Blythe Bridge. 91 Comment
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Mar 26 2011
  RSA0036073  Populus fremontii Norman C. Cooper 1943-10-9 962 Riverside Hemet. 304 Comment
  CAS-BOT-BC356170  Porophyllum gracile A. J. McC. 1892-4-1 109 Riverside Elsinore Comment
  UCD135030  Porophyllum gracile C. L. Hitchcock 1966-3-21 24330 Riverside Mule Mountains, 20 miles southwest of Blythe. Comment
  UCR160449  Potamogeton T. W. Fisher, R. E. Orth 1964-6-25 s.n. Riverside San Jacinto Mtns., Lake Hemet near stream 1311 Comment
  UCR47636  Potamogeton pectinatus Dave Thomason 1987-1 s.n. Riverside Peninsular Range; San Jacinto Mtns., Lake Hemet 1311 Comment
  RSA5231  Potentilla glandulosa subsp. nevadensis Carl B. Wolf 1932-8-5 s.n. Riverside Trail from Tahquitz Valley to San Jacinto Peak, San Jacinto Mountains. 2744 Comment
  CAS-BOT-BC540419  Potentilla gracilis var. fastigiata E. C. Van Dyke 1828-7-22 s.n. Riverside Idyllwild Comment
  SJSU5255  Prenanthella exigua R. C. McGehee 1970-4-15 205 Riverside Wileys Well, 26 mi SW of Blythe Comment
  POM244814  Prosopis glandulosa var. torreyana E. C. Jaeger 1938-8-15 s.n. Riverside Cottonwood Creek, 20 miles south of Hemet 976 Comment
  RSA86976  Prosopis pubescens F. W. Peirson 1920-12-29 2338 Riverside Andreas Canyon near Palm Springs 244 Comment
  CAS-BOT-BC158287  Prunus fasciculata var. fasciculata Lester Rowntree 1937-4-1 s.n. Riverside North of Cottonwood Springs Comment
  SDSU9171  Prunus fremontii Marjorie Collier 1951-3-25 Riverside Palm Canyon, about 5 miles S of Palm Springs. Comment
  UC218052  Prunus fremontii A. F. Gilman 1922-3-18 Riverside near Palm Springs (Andreas Canyon); Andreas Canyon Comment
  RSA516750  Prunus ilicifolia Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  UCR16764  Prunus ilicifolia D. C. Wald 1967-5-13 s.n. Riverside Perris-Aguanga Basin region, Bernasconi Hills near Lakeview, on slope opposite Big Rock 503 Comment
  SD212715  Prunus virginiana var. demissa T. B. Salvato, John F. Green 2004-5-27 606 Riverside Head of Banning (San Gorgonio Canyon) Canyon close to the San Bernardino County line, 0.5 miles Southeast of Oak Glen Conservation Camp 1402 Comment
  RSA472316  Psathyrotes ramosissima H. S. Gentry 2152 Riverside West side of Colorado Desert -30 Comment
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Apr 8 2011
  RSA550274  Psathyrotes ramosissima Walter Wisura, John Dolan, Michael Wall 1992-3-24 4622 Riverside Lowdesert: 6.0mi NE of Mecca on Box Canyon Rd. Comment
  UC724348  Psathyrotes ramosissima Aven Nelson, Ruth A. Nelson 1939-3-29 3312 Riverside from Mecca to Hidden Springs Comment
  UC485714  Pseudognaphalium biolettii Robinson and Crocker 1916-3-29 569 Riverside canyon near Murrieta; Santa Ana Mts. Comment
  UCR265597  Pseudognaphalium luteoalbum Jordan Zylstra 2014-3-18 14008 Riverside San Jacinto Mountains, Apple Canyon, west of Apple Canyon Road 1453 Comment
  UCR116994  Psilocarphus brevissimus A. C. Sanders, T. B. Salvato 2001-5-3 24103 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  CAS-BOT-BC361791  Psilocarphus brevissimus var. brevissimus E. W. Lathrop 1966-5-1 6244 Riverside 3 miles W of Murrieta Comment
  UCR89227  Psilocarphus brevissimus var. brevissimus Scott D. White 1995-9-22 3677 Riverside San Jacinto Valley, March Air Force Base, west of Plummer St. and south of Cactus Ave., 0.7 mile west of 215 Fwy. 460 Comment
  UCR166802  Psilocarphus chilensis R. E. Riefner Jr. 2005-4-20 05- 238 Riverside SE (c. 0.5 mi) from end of California Avenue, off Florida Avenue (Hwy 74) and N of Stetson Avenue 463 Comment
  UCR263240  Psorothamnus arborescens var. simplicifolius A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41480 Riverside San Gorgonio Pass, 3.3 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope east of the water bottling plant and south of I-10 445 Comment
  CAS-BOT-BC353629  Psorothamnus emoryi Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring 60 Comment
  CAS-BOT-BC353642  Psorothamnus emoryi Roxana S. Ferris 1918-6-15 998 Riverside Gruendike's Well on Mecca-Blythe Road Comment
  POM6512  Psorothamnus emoryi Philip A. Munz 1919-3-27 2355 Riverside Salton Sea Comment
  UC555344  Psorothamnus emoryi Herbert L. Mason 1928-3-10 4195 Riverside White Water River Comment
  SEINET2063916 Image available Psorothamnus polydenius P. Leary 1975-5-27 1213 Riverside 1 mile E of Ruby Lee Well, Joshua Tree National Monument. 853 Comment
  CAS-BOT-BC340860  Psorothamnus schottii Lester Rowntree 1937-5-28 s.n. Riverside Pines to Palms [Palms to Pines] Comment
  CAS-BOT-BC340903  Psorothamnus schottii F. O. Ballou 1926-2-25 s.n. Riverside Bottom of Painted Canon [Canyon] near Mecca Comment
  CHSC849  Psorothamnus schottii V. Holt 1942-3-29 Riverside Indio. -6 Comment
  RSA404255  Psorothamnus schottii D. A. Young 1969-4-18 P 353 Riverside 3 mi SE of hwy 74 (approx 8 mi S of Palm Desert) near the fence of the Univ. of Riverside Deep Canyon Research Station. 366 Comment
  UCD108370  Psorothamnus schottii G. H. Vansell 1928-4-1 s.n. Riverside S. Calif. and Coachella Valley. Comment
  RSA403989  Psorothamnus spinosus George B. Grant 1906-4-20 s.n. Riverside Palm Springs. Comment
  SD224976  Psorothamnus spinosus B. Pitzer 1996-11-11 2933 Riverside Orocopia Mts: Salt Creek Wash, at intersection w/ SR 211, 4rd. Mi. S of Bob's Cabin. Hayfield USGS Quad. 274 Comment
  UCD34520  Psorothamnus spinosus Beecher Crampton 1985-5-8 9964 Riverside Riverside County, west of Blythe along hwy. 10. Comment
  RSA27013  Pterostegia drymarioides C. L. Hitchcock 1940-4-1 5909 Riverside 1 mi. below Cottonwood Springs. Joshua Tree Nat. Monument. Comment
  UCR172261  Pterostegia drymarioides John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, City of Temecula, Immediately N and south of Murrieta Hot Springs Road along San Diego Aqueduct right-of-way 396 Comment
  UCR174368  Pterostegia drymarioides A. C. Sanders 2006-5-19 32404 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
  HSC25805  Purshia tridentata var. glandulosa Richard Spjut 1972-3-13 2265 Riverside Western border of the Colorado Desert ; San Jacinto Mts., near the eastern border of the San Bernardino Natl. Forest along Hwy. 74 915 Comment
  UCR240624  Pyrola aphylla Tracy Tennant, Mitch Provance 1998-6-16 MOR- 412 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  UCR100029  Quercus agrifolia A. C. Sanders, G. Helmkamp 1997-3-15 19979 Riverside Lake Skinner area, N foot of 1700 ft. hill east of Bachelor Mtn., small canyon and grassy S-facing slopes 488 Comment
  POM49846  Quercus agrifolia var. agrifolia P. A. Munz, IM Johnston 1924-7-29 8884 Riverside Lone Oak Ranch, Banning-Idyllwild Road. 1037 Comment
  SEINET10957811  Quercus agrifolia var. agrifolia Greg Gust, Leith Nye 2005-3-11 Gust 552 Riverside Cleveland National Forest. Just off of Hwy 74 opposite El Cariso Campground on washed out forest road. 762 Comment
  UCR158902  Quercus agrifolia var. agrifolia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31555 Riverside San Jacinto Mtns., Poppet Flat below Hwy 74 along Poppet Flat Rd. 1098 Comment
  UCD170857  Quercus berberidifolia Jeremiah George 2012-8-7 70812 6 Riverside San Jacinto Mtns. Foothills/San Gorgonio Pass, south of Beaumont, just east of intersection Highland Springs Ave. and Circle C Ranch. 747 Comment
  UCR273243  Quercus berberidifolia Mitch Provance 2012-1-25 17386 Riverside Badlands of Western Riverside County, San Timoteo Canyon, SW end along SCE powerline access roads between El Casco Substation and the Hwy. 60. 689 Comment
  CAS-BOT-BC62443  Quercus chrysolepis E. A. McGregor 1941-6-12 26 Riverside Santa Rosa Mt. Comment
  RSA476548  Quercus chrysolepis E. Fitzgerald 1929-05 s.n. Riverside Idylwild, San Jacinto Mts. Comment
  UCD170551  Quercus chrysolepis D. O. Burge 2017-5-20 2279 Riverside San Jacinto Mountains, Lake Fulmore area, University of California James Reserve. 1640 Comment
  RSA503822  Quercus cornelius-mulleri N. C. Cooper 1949-6-29 4296 Riverside Below Pinon Flats, San Jacinto Mt. 1067 Comment
  UCR54430  Quercus cornelius-mulleri A. C. Sanders, E. J. Lawlor 1988-10-22 8720 Riverside Santa Rosa Mountains, Pinyon Flats area, along the trail from the Dolomite Mine to Horsethief Creek 1200 Comment
  RSA763064  Quercus dumosa E. W. Lathrop 1969-6-5 7092 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  RSA192168  Quercus engelmannii E. W. Lathrop 1965-4-4 5645 Riverside 8 miles west of Murrieta-Tenaja Range. Comment
  UCR189794  Quercus engelmannii Andrea Salzman, Joseph Gomez 2006-10-6 194 Riverside Peninsular Ranges, Santa Ana Mountains, Santa Margarita Ecological Reserve. 0.7 mi North of Santa Margarita Canyon 427 Comment
  RSA39267  Quercus john-tuckeri P. A. Munz 1946-10-21 11592 Riverside Live Oak Tank, Joshua Tree National Monument. 1220 Comment
  CLARK-A1528-1149  Quercus kelloggii Sherri Stange 1980-6-1 Riverside San Jacinto Mountains 1523 Comment
  SD229180  Quercus palmeri Dick Schwenkmeyer 2012-3-26 671 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx 1 mile northeast of junction of Highway 74 and Morris Ranch Road, base of steep bouldery slope. 1374 Comment
  RSA477128  Quercus turbinella Julian P. Donahue 1984-10-6 90405 Riverside Pinyon Crest, Pinyon Flat, between San Jacinto & Santa Rosa Mts. 1250 Comment
  UCD47608  Quercus wislizeni Louis B. Ziegler 1969-10-24 s.n. Riverside Near Kenworthy Ranger Station, Hemet Valley, San Jacinto Mts. 1417 Comment
  RSA519261  Rafinesquia californica Ed LaRue 1989-5-8 s.n. Riverside Mockingbird Canyon area, S of Van Buren Blvd and ca 1/2 mi (airline) E of Mockingbird Canyon Road. Comment
  RSA472423  Rafinesquia neomexicana N. R. Zabriskie, Walter M. Zabriskie 1973-3-20 583 Riverside Coyote Canyon just above jepp road end, Deep Canyon drainage, north slope Santa Rosa Mountains 335 Comment
  UCR205287  Rafinesquia neomexicana Steve Boyd, Amber Maurice, Pesach Lubinsky, L. Lubinsky 2003-4-17 10490 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert, East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station 366 Comment
  UCR249522  Rafinesquia neomexicana T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7295 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
  JOTR01285  Rafinesquia neomexicana Cole, James E. 1941-5-31 844 Riverside Joshua Tree National Park. LOST HORSE MINE AREA 1524 Comment
  RSA680346  Rhamnus crocea Scott D. White 2001-3-27 8169 Riverside Badlands: Moreno Valley area. About 1 air mile East-Northeast of the jtn State Rt. 60 w/ theodore St. Adjacent to County Landfill. 610 Comment
  RSA518505  Rhamnus ilicifolia Chet McGaugh 1990-8-8 s.n. Riverside SW Dursano Valley, S of town of Anza. 1372 Comment
  RSA772006  Rhamnus ilicifolia Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4965 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  UCR49776  Rhamnus ilicifolia B. G. Pitzer, A. C. Sanders 1987-4-21 494 Riverside Box Spring Mountains, near southernmost radio towers 793 Comment
  RSA801731  Rhododendron occidentale LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6176 Riverside Logan Creek, north of the community of Pine Cove, and just west of road (5S09). 1799 Comment
  CAS-BOT-BC167968  Rhus ovata Elizabeth McClintock 1964-4-8 s.n. Riverside Snow Canyon, east side of Mt. San Jacinto Comment
  POM2721  Rhus ovata I. M. Johnston 1918-5-30 s.n. Riverside Temecscal Canyon (near Lee Lake). 335 Comment
  RSA386392  Rhus ovata D. A. Young 1969-3-21 P- 364 Riverside 11 mile W of Elsinore, along Hwy 71. 244 Comment
  UCD116941  Rhus ovata G. L. Webster; R. Hildreth 1966-12-11 7472 Riverside Aguanga Valley, hillsides above Aguanga. Comment
  RSA667365  Rhus trilobata A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25014 Riverside The Badlands: Laborde Canyon and Adjacent s,opes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont., 33 53 45 N, 117 01 30 W 549 Comment
  CLARK-A1528-119  Rhus trilobata var. anisophylla C. M. Flanagan 1973-5-31 OO 625 Riverside Morongo Indian Reservation 975 Comment
  CAS-BOT-BC108717  Ribes cereum Mary F. Spencer 1919-7-6 1217 Riverside San Jacinto Mountains. Laquitz Meadow. 2377 Comment
  CAS-BOT-BC108722  Ribes cereum H. M. Hall 1901-7-1 2353 Riverside San Jacinto Mountains. Tauquitz Valley. 2438 Comment
  RSA594789  Ribes indecorum D. L. Banks, Dylan Hannon 1996-5-3 0985 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
  UC1127275  Ribes malvaceum A. Lewis May 1934 456 Riverside w La Cienaga; Cleveland National Forest, Elsinore Quadrangle Comment
  SEINET238553 Image available Ribes nevadense George K. Helmkamp 1998-6-27 4126 Riverside Santa Rosa Mtns.: 9 mi SE of Hwy 74 along Santa Rosa Mtn Rd. in vicinity of Santa Rosa Spring. 2232 Comment
  RSA221070  Ribes speciosum E. W. Lathrop 1966-3-23 6087 Riverside 4 miles west of Corona between Tin Mine Canyon & Santiago Peak, Skyline Drive. 610 Comment
  UCR172277  Robinia pseudoacacia John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County, along Briggs Road between Porth Road and Los Alamos Road 402 Comment
  SDSU12269  Rorippa nasturtium-aquaticum Jeremy Mass, Ryan Jacobsen 2000-4-19 18 Riverside Growing in Stone Creek near Southside Field Station, Santa Margarita Ecological Reserve (SDSU). 251 Comment
  RSA727336  Rorippa palustris subsp. occidentalis Fred M. Roberts, Sandra Leatherman 2007-9-19 6587 Riverside Santa Ana Canyon: Santa Ana River, across from Green River Golf Course, 0.15 km W Green River Road Bridge. 128 Comment
  UCR35177  Rosa californica L. B. Ziegler 1966-8-9 76 Riverside San Jacinto Mtns., Hemet (Thomas-Garner) Valley 1418 Comment
  PASA1192  Rosa gratissima Sally Ellis 1939-6-24 Riverside Halona Comment
  RSA357125  Rumex conglomeratus Robert F. Thorne, P. A. Munz, Earl Lathrop 1968-5-8 37605 Riverside Lake Elsinore: Behind levee at SE end of lake Elsinore, ca. 1 mi. S of Elsinore. Comment
  UCR140736  Rumex crispus A. C. Sanders 2004-5-12 27857 Riverside Elsinore Basin Region, Alberhill Mountain, northwest foot near Lake St. at Alberhill 378 Comment
  UCR180047  Rumex crispus Mitch Provance 2005-5-18 9808 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  UCR91544  Rumex dentatus Chet McGaugh 1996-4-26 s.n. Riverside San Jacinto Valley, Hemet, 0.25 mi west of State St., between Esplanade and Cottowood 465 Comment
  RSA655628  Rumex hymenosepalus A. C. Sanders 2000-3-19 23319 Riverside Diamond Valley, off old Rawson Rd. N of Crown Valley, on future bed of Diamond Val. Reservoir, now filling 485 Comment
  UCD101315  Rumex hymenosepalus R. N. Raynor 1933-3-31 s.n. Riverside Moreno Valley. Comment
  RSA601678  Rumex obtusifolius Louis C. Wheeler 1933-8-5 2059 Riverside Millard's Canyon at foot of falls San Bernardino Mountains. 579 Comment
  RSA774117  Rumex salicifolius var. denticulatus Duncan S. Bell, Colleen Wheeler 2010-7-19 1628 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
  UC6968  Rumex salicifolius var. salicifolius H. M. Hall 1901-7-1 2474 Riverside Tauquitz Valley San Jacinto Mountains 2743 Comment
  CLARK-A1528-5727  Ruta graveolens John C. Roos 1948-2-21 3771 Riverside Reche Canyon 457 Comment
  SD224912  Sagina apetala A. C. Sanders, G. K. Helmkamp 1996-3-17 17980 Riverside Coachella Valley: Palm Springs, weeds in landscaping of shopping center at SE corner of Raquet Club Dr. and Palm Canyon Dr. 188 Comment
  SD186015  Sagittaria latifolia S. J. Myers 1996-5-17 Riverside Corona, River Road bridge over the Santa Ana River. 152 Comment
  RSA0059625  Salicornia subterminalis Steve Boyd, Dave Bramlet 1996-4-19 8609 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  UC846660  Salix Joseph Andorfer Ewan 1933-3-19 10902 Riverside Santa Ana River bottoms at Prador; Santa Ana River, Prador Comment
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Oct 30 2011
  POM319718  Salix exigua Patricia Wilder 1971-9-29 5269 Riverside Base of the San Jacinto Mountains, east of Hemet on north side of Valle Vista at north end of Fairview Street, north of Florida Street; at boundary of Soboba Indian Reservation. 518 Comment
  SEINET272291  Salix exigua A. C. Sanders, G. Helmkamp 1997-3-15 19967 Riverside Lake Skinner area: lower Rawson Canyon along the dirt road toward Bachelor Mtn. UTM 10km cell: MH-9E 1N Skinner Reser 457 Comment
  UCR133114  Salix exigua John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  UCR425  Salix exigua P. A. Rauch 1968-2-22 s.n. Riverside San Bernardino Mtns., Cottonwood Canyon 915 Comment
  CAS-BOT-BC108145  Salix gooddingii A. C. Sanders 2004-5-12 27866 Riverside Elsinore Basin Region: Walker Canyon at north foot of Alberhill Mountain, Temescal Creek 377 Comment
  CAS-BOT-BC140663  Salix gooddingii A. C. Sanders; T. B. Salvato 2011-3-30 38889 Riverside Peninsular Range; Elsinore Trough: city of Lake Elsinore, Baker St. c. 100 m NW of Hwy 74/Riverside Dr. 381 Comment
  RSA786950  Salix laevigata Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49549 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons Comment
  UC914196  Salix laevigata Charles B. Fiker 1946-5-30 3361 Riverside 100 yards from dismantled service station on Pala Rd. from Temecula bridge Comment
  UCR232067  Salix laevigata John F. Green 2008-4-24 13- 05 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris along Hwy 74, between Lazy Lizard Dr. and Wasson Canyon Rd. 504 Comment
  RSA770874  Salix lasiolepis Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4597 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  CDA3210  Salsola tragus T. C. Fuller 1975-11-6 20115 Riverside Northeast corner of Monroe Street & Interstate 10 freeway, Indio. 0 Comment
  RSA0095118  Saltugilia australis O. F. Clarke, J. Derby 1974-4-19 s.n. Riverside Lakeview Mountains: ca. 2 mi. SSW of Mt. Rudolph, N of Juniper Flat, E of Juniper Flat Rd. and S of Stagecoach Rd., EIR for Tentative Tract 5702. 549 Comment
  RSA714635  Saltugilia australis A. C. Sanders, D. Malueg 2003-5-8 26573 Riverside Perris-Aguanga Basin region: Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek. 396 Comment
  UC1537501  Saltugilia australis Gordon H. True Jr. 1935-3-19 131 Riverside 6 mi se Perris; se of Perris 487 Comment
  UCR175177  Saltugilia australis Jim Andre 2006-4-26 6762 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
  UCR207924  Salvia O. F. Clarke 2004-2-27 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 412 Comment
  RSA594001  Salvia apiana D. L. Banks, Elizabeth Hedge Banks 1996-5-2 933 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
  SDSU13634  Salvia apiana W. Miller, C. Mosse 1972-7-20 Riverside R.C. Weather station. Comment
  UCR162396  Salvia columbariae S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1220 Comment
  UCR234286  Salvia columbariae A. C. Sanders, John F. Green 2012-4-6 40003 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, along old (c. 1926) Corona-Elsinore RR route, between I-15 and Temescal Cyn. Rd., c. 10 miles south of Corona, SE of mouth of Mayhew Cyn. 325 Comment
  UCR250121  Salvia columbariae A. C. Sanders 2014-4-23 41056 Riverside Peninsular Range, Gavilan Hills, toward eastern end of Concordia Ranch Rd. at edge of Temescal Valley, above I-15 390 Comment
  SEINET13947314 Image available Salvia columbariae Lewis S. Rose 1949-1 49104 Riverside Aguanga, 1940 ft alt. Comment
  UCR250569  Salvia mellifera A. C. Sanders 2014-4-25 41070 Riverside Peninsular Range, Temescal Canyon, Richland property between Horsethief Canyon Rd and Hostettler Rd., SW of I-15 392 Comment
  CAS-BOT-BC224847  Salvia pachyphylla A. J. Perkins 1915-8-1 s.n. Riverside San Jacinto Mts 2743 Comment
  OBI13513  Salvia vaseyi H. E. McMinn 1935-6-27 4069 Riverside Palms to Pines hwy Comment
  UCR107739  Sambucus mexicana D. L. Banks 1997-5-5 1972 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek. Along the S fork of Pechanga Creek 427 Comment
  SD146334  Sambucus nigra subsp. caerulea A. C. Sanders 1997-5-1 20618 Riverside Lake Skinner area: old house site at gated road junction intoShipley Reserve area, ca 1 km NE of Lake Skinner in mouth of Rawson Creek Canyon 456 Comment
  SEINET8565408  Samolus parviflorus H. M. Hall 1904-5-24 4955 Riverside Vicinity of Riverside, Spring Brook. 229 Comment
  RSA560376  Sanicula arguta Steve Boyd 1992-4-14 6806 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewater Canyon, S of Sitton Peak. 793 Comment
  RSA612936  Sanicula crassicaulis D. L. Banks 1997-3-29 1641 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. An area of native grassland along the Magee Truck Trail at the southern extremity of the Reservation just before the Riverside/San Diego County line border. 463 Comment
  RSA674922  Sanicula crassicaulis Scott D. White, P. De Vries 2000-4-25 7732 Riverside Temescal Valley: Corona area, eastern foothills of Santa Ana Mountains just above citrus groves. 412 Comment
  UCR174060  Sanicula crassicaulis A. C. Sanders 2006-5-19 32455 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  HSC78558  Sanicula tuberosa A. C. Sanders, K. Berg 1980-5-1 1358 Riverside Garner Valley area, 1.8 mi. NE of Kenworthy Ranger Station on Morris Ranch Road 1616 Comment
  UC566925  Sarcostemma cynanchoides subsp. hartwegii H. L. Mason 1926-5-2 3193 Riverside Aguanga Valley Comment
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Nov 16 2011
  UC809711  Sarcostemma hirtellum Philip A. Munz 1949-4-12 13041 Riverside near Iron Chief Mine Mohave Desert, Eagle Mts., Iron Chief Mine 762 Comment
  UCR217505  Satureja chandleri Ana Hernandez 2009-4-28 008 Riverside Santa Ana Mtns: foothills, Santa Rosa Plateau, near Tenaja Rd., on north-facing slope and drainage 512 Comment
  RSA741179  Schedonorus arundinaceus Scott D. White, Justin M. Wood 2008-6-17 12151 Riverside South of Hwy 79 near Keen Camp Summit. 1402 Comment
  RSA483285  Schismus barbatus Christopher Davidson 1973-4-1 1804 Riverside St. Hwy 71/79, appx 7 miles E of jct with Hwy 395 south. 411 Comment
  UCR140700  Schoenoplectus acutus var. occidentalis A. C. Sanders 2004-5-12 27865 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  UCR47885  Schoenoplectus acutus var. occidentalis S. J. Myers 1987-6-24 s.n. Riverside Peninsular Range, Murrieta Creek, at confluence with Temecula Creek, near the town of Murrieta 290 Comment
  UCR163232  Schoenoplectus americanus 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
  RSA554215  Schoenoplectus californicus A. C. Sanders, Chet McGaugh 1991-7-19 11149 Riverside Murrieta Hot Springs, large vernal pool on S side of Murrieta Hot Springs Road, E of Via Princesa & N of Calle del Lago. 348 Comment
  OBI37558  Scirpus microcarpus Steve Boyd 1985-8-7 1103 Riverside Santa Rosa Plateau region, NW base of Redonda Mesa on Tenaja Rd, 0.8 mi E of jtn with 8S01 and 8S02 Comment
  RSA0120311  Scrophularia californica Duncan S. Bell 2016-4-16 9316 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  RSA749692  Scutellaria bolanderi subsp. austromontana A. C. Sanders, Mitch Provance 2008-7-11 35811 Riverside 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 1450 Comment
  UC1713593  Scutellaria bolanderi subsp. austromontana C. Epling 1938-8-14 Riverside junction of Palms (to Pines Hwy and Idylwild Road) Comment
  UC25788  Scutellaria siphocampyloides Geo. F. Reinhardt June, 1897 Riverside San Jacinto Mountains Comment
  UC456124  Scutellaria siphocampyloides I. J. Condit 1910-6-21 Riverside near Idlewild; San Jacinto Mountains 1524 Comment
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Mar 12 2011
  UCR35332  Scutellaria siphocampyloides L. B. Ziegler 1967-7-26 196 Riverside San Jacinto Mtns, Thomas Mountain 2058 Comment
  CAS-BOT-BC69807  Selaginella bigelovii Ivan Johnston 1917-4-4 1044 Riverside Palm Canyon, Colorado Desert. 304 Comment
  HSC83018  Selaginella bigelovii N. M. Fellows 1984-11-12 20 Riverside Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mtns., 1 mi. W of Snow Creek Village 488 Comment
  RSA339674  Selaginella bigelovii Robert F. Thorne, W. A. Tilforth 1980-5-28 54219 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  UCR9  Selaginella bigelovii Eugene Cardiff 1950-3-15 s.n. Riverside San Bernardino Valley Region, Jurupa Hills [=Jurupa Mtns.] 518 Comment
  UCR90978  Selaginella bigelovii Scott D. White 1996-3-23 3844 Riverside Perris Basin, Santa Rosa Hills, SE of Hemet, Loomis property, 'Friendly Hills Ranch 610 Comment
  UCR98062  Selaginella bigelovii A. C. Sanders 1997-3-1 19731 Riverside Box Springs Mountains, Pigeon Pass, canyon below Regulus Road, 0.6 mi. west of Pigeon Pass Road., 0.4 mi. east of Bench Mark 'Table' (2559 ft). 610 Comment
  RSA0119892  Selaginella eremophila Duncan S. Bell, Thomas Stoughton 2016-4-12 9223 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 3.5 air miles southwest of the junction of Agua Alta Canyon and Martinez Canyon. 775 Comment
  POM299279  Senecio douglasii var. monoensis A. M. Alexander, Louise Kellogg 1941-5-9 2142 Riverside Cottonwood Spring, Eagle Mountains 884 Comment
  CAS-BOT-BC323964  Senecio flaccidus var. douglasii F. Grinnell Jr. 1908-7-25 s.n. Riverside San Jacinto R. 762 Comment
  CAS-BOT-BC327427  Senecio flaccidus var. douglasii J. W. Toumey 1894-9-27 s.n. Riverside Banning Comment
  LA203931  Senecio flaccidus var. douglasii Elizabeth McClintock; L. Erickson 1937-11-6 sn Riverside San Jacinto Mountains, foot of Idyllwild grade Comment
  RSA3323  Senecio flaccidus var. douglasii C. B. Wolf 1931-10-14 2461 Riverside Cabezon, San Gorgonio pass. Comment
  SBBG81721  Senecio mohavensis S. A. Junak 1983-3-23 1625 Riverside E side of Jefferson Rd across from entrance to Cahuilla Lake County Park, S of Indio Comment
  RSA473114  Senecio vulgaris M. V. Hood 1945-3-26 s.n. Riverside Cottonwood Creek near Aguanga. Riverside and San Diego county line. 610 Comment
  RSA522715  Senecio vulgaris Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-3-29 3901 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
  CAS-BOT-BC518734  Senna artemisioides A. C. Sanders; T. B. Salvato; Cecile Shohet 2016-2-28 42000 Riverside Peninsular Range: along Hwy 79, 1 km E of Los Caballos Rd and 1 km W of Pauba Rd 401 Comment
  RSA695427  Senna artemisioides Robert Hamilton 2003-2-6 s.n. Riverside Riverside, vacant field on Monroe St. SE of California Ave. 232 Comment
  SEINET10608388  Setaria parviflora Steve Boyd 1989-7-9 Boyd 3773 Riverside Weeds in vegetable garden of house at 4863 Rubidoux Ave. Comment
  UCD92731  Setaria pumila Fred M. Reed 1904-7-31 57 Riverside Santa Ana River above Salt Lake Bridge. Comment
  CDA2457  Setaria viridis Steve Boyd 1989-7-9 3772 Riverside City of Riverside, 4863 Rubidoux Ave. 0 Comment
  RSA433921  Sidalcea malviflora subsp. sparsifolia W. P. Burger 1979-4-27 57 Riverside Off Caranchos Rd., just W of where creek crosses road. Hidden Valley. 366 Comment
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Jan 11 2016
  SEINET7048205  Sidalcea sparsifolia Steven R. Hill, Andrew C. Sanders 2001-5-4 33717 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
  UC1949955  Sidotheca trilobata R. F. Thorne, W. Wisura, D. Mitchener 1982-1 55191 Riverside Peninsular Ranges; Santa Ana Mountains region: Cleveland National Forest, along Main Divide Truck Road. Comment
  UCR25794  Silene gallica John C. Roos 1952-4-16 5555 Riverside Reche Canyon. 457 Comment
  RSA784842  Silene laciniata J. D. Olmsted 1958-6-10 159 Riverside Santa Ana Mountains. Oak Flat Fire road 2 miles NE of Oak Flat and 7 miles SW of Corona (turn from US at Lincoln in South Corona by pottery shop). 777 Comment
  CAS-BOT-BC202942  Simmondsia chinensis Roxana S. Ferris 1928-4-20 7170 Riverside Between Chocolate and Chuckwalla Ranges on road from Glamis to Midway Wells Comment
  OBI20929  Simmondsia chinensis P. C. Everett 1937-7-7 9524 Riverside N of Temecula-Agunaga Rd on road to Hemet 762 Comment
  RSA0124803  Simmondsia chinensis Duncan S. Bell, LeRoy Gross 2016-3-31 9198 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 591 Comment
  SDSU11067  Simmondsia chinensis Joan Godsil 1953-1-18 553 Riverside Joshua National Monument, 29 Palms to Cottonwood Springs Hwy. 1143 Comment
  UCR11355  Simmondsia chinensis Val Chase 1965-5-14 120 Riverside Sonoran (Colorado) Desert, Turn off main road {hwy 62] from Palm Springs to Twentynine Palms on the road to Desert Hot Springs to the E, travel 0.9 mi and turn N on dirt road up Big Morongo Canyon and travel 0.7 mi. Side canyon to the E. 915 Comment
  UCR139379  Simmondsia chinensis I. M. Johnston 1917-4-4 1081 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Palm Canyon 427 Comment
  UCR4161  Sisymbrium irio R. H. Sauer 1965-2-24 s.n. Riverside [Riverside], W end of Big Springs Rd. 335 Comment
  UCR59667  Sisymbrium irio Steve Boyd, T. S. Ross, L. Arnseth 1989-3-11 2885 Riverside Peninsular Range, Vail Lake area, mouth of Temecula Creek Canyon, 1.5 mi west of Vail Lake Dam. 390 Comment
  CAS-BOT-BC75425  Sisymbrium orientale Scott D. White 1996-4-14 3908 Riverside Perris Basin. East of Hemet. San Jacinto River Wash near Valle Vista. 550 Comment
  RSA366974  Sisyrinchium bellum N. C. Cooper 1949-6-29 4318 Riverside Hemet Lake, San Jacinto Mountains. 1524 Comment
  RSA68328  Sisyrinchium bellum G. R. Campbell 1951-5-30 16145 Riverside Small canyon containing stream, near southern end of Hemet Valley. 1433 Comment
  UC3860  Smilacina racemosa H. M. Hall July, 1901 2572 Riverside vicinity of Deer Spring San Jacinto Mountains 2590 Comment
  UCR35304  Smilacina stellata L. B. Ziegler 1965-5-31 58 Riverside San Jacinto Mtns., Hemet Valley region - old Morris Ranch 1616 Comment
  CDA5922  Solanum americanum Scott D. White 1998-6-28 6789 Riverside Coastal Plains and Basins; San Bernadino Basin region; Corona: River Road bridge over the Santa Ana River. Comment
  UCR174312  Solanum americanum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32650 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
  POM13125  Solanum douglasii I. M. Johnston 1922-5-19 5329 Riverside Glen Ivy Comment
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Oct 22 2011
  RSA422441  Solanum douglasii E. Mannatt 1931-4-19 18736 Riverside Hemet Comment