Search Results — 2000 specimen records retrieved (1897 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-BC229365  Abronia villosa L. R. Abrams 1908-7-21 s.n. Riverside Elsinore Comment
  RSA0021331  Abronia villosa Duncan S. Bell, Kim Clark, Keir Morse, Harry Spilman 2013-3-30 4657 Riverside Around the confluence of the San Gorgonio and Whitewater river drainages, just south of the historic Palm Springs Station, about 1.5 air miles northwest of Windy Point. 340 Comment
  SD126093  Abronia villosa Lyman Benson 1949-3-28 13582 Riverside 1.0 mile north of Palm Springs, from east end of Pines to Palms Highway, Santa Rosa Mountains. 99 Comment
  POM229027  Abronia villosa var. aurita P. A. Munz 1937-3-31 15113 Riverside Head of Coyote Canyon. 1006 Comment
  UC851650  Abronia villosa var. aurita I. W. Clokey, E. G. Anderson 1935-8-21 6604 Riverside Hemet Lake, By road Hemet Lake 1300 Comment
  UCR248475  Abronia villosa var. aurita Duncan S. Bell 2012-3-8 3154 Riverside Mojave Desert, Southern section of the Mecca Hills, c. 2.5 air miles southeast of where the Coachella Canal and Hidden Springs Canyon cross each other 37 Comment
  RSA0056450  Abronia villosa var. aurita I. W. Clokey, E. G. Anderson 1935-4-5 6609 Riverside Hemet. 500 Comment
  POM294038  Abronia villosa var. villosa Lyman Benson 1945-3-29 11640 Riverside 2 miles south of Whitewater. 366 Comment
  OBI13405  Acacia greggii Tracey & Viola Call, Viola Call 1962-4-6 2114 Riverside 3 mi NW of Desert Hot Springs 274 Comment
  RSA795935  Acacia greggii Duncan S. Bell 2009-4-19 261 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  CAS-BOT-BC35189  Acamptopappus sphaerocephalus P. A. Munz; Street 1919-5-7 2731 Riverside Tahquitz Canyon 228 Comment
  LA210544  Acamptopappus sphaerocephalus Harlan Lewis; 1935-4-6 1160 Riverside Palm Springs 152 Comment
  UC1281262  Acamptopappus sphaerocephalus var. sphaerocephalus H. E. McMinn 1935-6-27 4071 Riverside along highway to Pine Palms Comment
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Dec 13 2011
  SBBG71269  Acer glabrum R. Hoffmann 1929-9-6 Riverside near Tahquitz Peak 2590 Comment
  CAS-BOT-BC218716  Achnatherum coronatum Steve Boyd; Aydee Virgen 2004-4-13 10868 Riverside San Mateo Canyon, midway between confluence with Los alamos Canyon and Tenaja Canyon, Peninsular Ranges, Santa Ana Mountains region Comment
  POM96839  Achnatherum speciosum F. M. Reed 1926-5-8 5326 Riverside Rocky hill near [Good Hope] Mine. Comment
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May 1 2011
  SD224960  Acmispon argophyllus G. K. Helmkamp 1998-4-3 3092 Riverside Coachella Valley: Mission Creek, the Wildlands Conservancy Preserve, 1.1 mi. NW of the ranch house beside a gauging station along the creek. 747 Comment
  CAS-BOT-BC213416  Acmispon argophyllus var. argophyllus Lester Rowntree 1937-11-1 s.n. Riverside Nigger Grade [Nate Harrison Grade], W. side of Palomar Mt. Comment
  CAS-BOT-BC204877  Acmispon argyraeus var. argyraeus Philip A. Munz 1937-5-30 15136 Riverside Santa Rosa Peak 2407 Comment
  RSA0124001  Acmispon argyraeus var. argyraeus Duncan S. Bell, Thomas Stoughton 2016-4-13 9249 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; on the western slopes of Martinez Mountain. 1548 Comment
  SBBG119997  Acmispon brachycarpus A. C. Sanders, K. Volansky 2005-3-17 29213 Riverside French Valley, SE of Winchester Rd (Hwy 79) between Thompson Rd and Benton Rd, ca. 0.5 mi NE of Adobe Spring, near San Diego Aqueduct 412 Comment
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Apr 2 2011
  SD181519  Acmispon strigosus Scott D. White 2000-5-30 7971 Riverside Corona foothills, ca. 1 mile southeast of the I-15/El Cerrito Road junction adjacent to new houysing construction, alluvial terraces with steep, incised channels. This robust plant in a burned area. 334 Comment
  SD187404  Acmispon strigosus Scott D. White, Angelia Carey 2004-4-16 10174 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes 548 Comment
  JOTR32125  Adenophyllum porophylloides La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade` 2011-4-26 2281 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; sandy flats at base of mountains and northern edge of valley (Stop 4) 996 Comment
  JOTR33127  Adenophyllum porophylloides La Doux, Tasha, Mike Bell 2003-10-17 1124 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Wonderland of Rocks; Wonderland Wash, active wash corridor with sandy bottom, surrounded by granitic outcrops and pediments 1310 Comment
  JOTR34077  Adenophyllum porophylloides La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2973 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
  RSA516749  Adenostoma fasciculatum var. fasciculatum 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
  UC12021  Adenostoma sparsifolium Prof. Bernard Moses 1897-1-1 Riverside Hemet 762 Comment
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Mar 24 2011
  UCR163882  Adiantum capillus-veneris B. G. Pitzer 2001-8-19 4342 Riverside Peninsular Range; Santa Rosa Mountains, Carrizo Canyon, sheep guzzler c. 0.5 mi. SW of where Hwy 74 crosses canyon 701 Comment
  UCR92229  Adiantum jordanii D. L. Banks, Steve Boyd 1995-5-9 419 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
  POM157937  Agoseris heterophylla var. heterophylla P. A. Munz 1927-5-21 10832 Riverside Coahuila Valley. Comment
  SEINET5335835  Agropyron trachycaulum var. trachycaulum H. M. Hall 2174 Riverside Thomas Valley. 1372 Comment
  LA206322  Agrostis scabra F. M. Reed; 1905-7-15 833 Riverside San Bernardino Mountains, Hunsaker Flats 1523 Comment
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Feb 1 2014
  UCR251353  Agrostis semiverticillata S. J. Myers 2014-5-21 1063 Riverside Western Edge Sonoran (Colorado) Desert, Whitewater, along Whitewater River at I-10 407 Comment
  SEINET1004535 Image available Agrostis viridis J. S. Ross, T. B. Salvato 1998-1 MOR- 316 -A Riverside San Bernardino Mtns. Region: Morongo Indian Reservation, Lion Canyon, ca. 3.5 miles NNW of Cabazon 853 Comment
  UCR84624  Agrostis viridis Scott D. White, S. Ogg 1994-4-21 1996 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  SD187477  Ailanthus altissima Scott D. White, Angelia Carey 2004-4-16 10152 Riverside San Jacinto Mountain Foothills: Indian Creek and adjacent slopes 548 Comment
  RSA593987  Ailanthus altissima D. L. Banks, Elizabeth Hedge Banks 1996-5-2 951 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage. 524 Comment
  RSA98785  Allenrolfea occidentalis P. A. Munz 1926-1-31 9975 Riverside Dos Palmas Spring Comment
  CAS-BOT-BC434476  Allionia incarnata Lester Rowntree 1937-5-26 s.n. Riverside Box Canon [Canyon], Mecca Comment
  RSA793616  Allionia incarnata Duncan S. Bell, Aaron Sedgwick 2012-9-13 4197 Riverside Hayfields Lake; eastern section of dry lake, approximately 3.75 air miles southeast of Hayfields pumping plant. 420 Comment
  SEINET3108301  Allionia incarnata Sears 1977-10-12 554 Riverside Corn Springs Rd., 0.5 miles from exit. 219 Comment
  UCR277615  Allionia incarnata Aaron C. Sedgwick, April Garbat 2012-10-17 139 Riverside Sonoran (Colorado) Desert, c. 0.25 mile south of Hwy I-10 on Cottonwood Springs [Box Canyon] Rd. 488 Comment
  POM13074  Allium burlewii E. C. Jaeger s.n. Riverside San Jacinto Mountains. Comment
  CAS-BOT-BC536069  Allium haematochiton Youssef C. Atallah 2016-4-27 s.n. Riverside San Bernardino Mtns. Foothills: Banning, Bluff S., c. 1 mile beyond the end of San Gorgonia Ave., c. 2.1 mi N of I-10 Fwy 882 Comment
  POM190037  Allium haematochiton Marcus E. Jones 1931-3-2 s.n. Riverside Corona. Comment
  UCR144411  Allium haematochiton Scott D. White 2001-4-19 8376 Riverside Perris-Aguanga Basin, Perris / Sun City area. Just east of Goetz Road and south of Ethanac Road, c. 1.5 - 2.0 mi west of Interstate 215 473 Comment
  UC72163  Allium marvinii Dr. R. J. Smith 1904-1 300 Riverside Banning Comment
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Mar 13 2011
  RSA770516  Allium munzii S. Mashayekhi, Steve Boyd, M. Biabani 2008-4-15 SM 012 Riverside East of Elsinore Peak, on clay hill. Comment
  SBBG92807  Allium munzii S. Boyd 1986-4-22 1781 Riverside N of summit of Estelle Mtn, Gavilan Hills; T5S R5W NE1/4 NE 1/4 S5 841 Comment
  UCR230056  Allium munzii Tara Schoenwetter 2011-4-16 s.n. Riverside Peninsular Range, Alberhill, off Lake St. at Alberhill Mountain, N of Coal Ave./Nichols Rd. extension 421 Comment
  HSC84077  Allium parryi Dale McNeal 1981-5-20 2545 Riverside Morris Ranch Rd., 2.2 mi. E of Hwy. 74 at Kenworthy R.S., San Bernardino National Forest Comment
  UCR104619  Allium peninsulare D. E. Bramlet 1997-4-4 2510 A Riverside Tributary to Dawson Canyon, 854 m east of the El Sobrnte landfill and 610 m north of Dawson Canyon. 45 m south of the jeep trail that crosses this triutary. 365 Comment
  CAS-BOT-BC475413  Allium praecox Mrs. Wilder 1905-4-1 s.n. Riverside Riverside, Calif. Comment
  SEINET3878854  Allium praecox D. W. McNeal 1981-3-30 2435 Riverside Ne slope of Gavilan Peak, 0.6 mi S of Cajalco Rd. on Gavilan Rd.; 0 Comment
  RSA719474  Allophyllum divaricatum R. E. Riefner Jr. 2005-7-31 05 -573 Riverside Peninsular Ranges Province, Agua Tibia Moutains, SE of Temecula, Cleveland National Forest, Agua Tibia Wilderness, NW slope of Agua Tibia Mountain, ca. 1.5 mi WNW of Woodchuck Rd. 665 Comment
  SD229108  Alnus rhombifolia Dick Schwenkmeyer 2012-6-27 735 Riverside May Valley, approx. 5 miles southeast of Idyllwild town center, Mt. San Jacinto, Riverside County, CA. 1531 Comment
  UCR20916  Alopecurus aequalis A. C. Sanders 1978-7-5 863 Riverside San Jacinto Mountains, James Reserve, near head of Lake Fulmor at the mouth of Indian Creek 1616 Comment
  JOTR30810  Aloysia wrightii Andre, Jim, Tasha La Doux 2008-9-16 10685 Riverside Joshua Tree National Park. along Bell Mountain Rd. atop Bell Mountain, approximately 0.3 miles north of radio tower. Queen Mountain USGS 7.5 min quad Near 34 00.35' N 116 00.017' W 1358 Comment
  UCR159257  Amaranthus albus A. C. Sanders, Kelly Volansky 2005-8-31 31590 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  UCR77568  Amaranthus albus Steve Boyd 1991-9-8 6436 Riverside Peninsular Range, Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371 600 Comment
  RSA507509  Amaranthus albus S. A. Meyers 1988-6-4 s.n. Riverside Rancho California area, E of Winchester Road, between Auld Rd & Borel Road. 396 Comment
  UCR77569  Amaranthus blitoides Steve Boyd 1991-9-8 6435 Riverside Peninsular Range, Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371 600 Comment
  UCR163892  Amaranthus fimbriatus B. G. Pitzer 2001-8-19 4343 Riverside Peninsular Range; Santa Rosa Mountains, Carrizo Canyon, sheep guzzler c. 0.5 mi. SW of where Hwy 74 crosses canyon 701 Comment
  UCR119419  Amaranthus palmeri Mitch Provance 1998-6-20 711 Riverside Jurupa Mountains, Glen Avon Heights, on the north side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  UCR174334  Amaranthus retroflexus A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23169 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. east of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  UCD128862  Ambrosia acanthicarpa L. S. Rose 1935-12-21 s.n. Riverside Cabazon, Colorado Desert. 609 Comment
  POM48486  Ambrosia confertiflora Philip A. Munz, I. M. Johnston 1924-7-29 8887 Riverside Banning. Comment
  RSA23238  Ambrosia dumosa Ernest Braunton 1940-03 2043 Riverside Fan Canyon. 20 miles NE of Indio. Comment
  RSA761082  Ambrosia dumosa Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-20 143 Riverside Hwy 177. N of Desert Center and Desert Lily Sanctuary. E of Joshua Tree National Park border. 274 Comment
  UC1329946  Ambrosia dumosa James E. Cole 1941-4-13 569 Riverside .5 mi n Meek's Cabin; Joshua National Monument, Pinto Pass Comment
  UCR227425  Ambrosia dumosa Thomas R. Stoughton, J. McConnaughy, D. Monks, M. Volke 2010-4-21 152 Riverside Little San Bernardino Mountains, north of Desert Center, junction of Hwy 177 and Kaiser Road west of Kaiser Road, north of Hwy 177 335 Comment
  UCSB6546  Ambrosia dumosa Ralph, F. 1960-4-1 Riverside Whitewater Canyon, 1.6 miles north of U.S. Hwy 99; western edge of the Colorado Desert Comment
  UCR159261  Ambrosia psilostachya A. C. Sanders, Kelly Volansky 2005-8-31 31588 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  UCR261173  Ambrosia pumila A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-19 41727 Riverside Elsinore Trough, north of Elsinore on east side of Baker St., 0.28 km east (74 deg. ) of large water tank above Baker, above a forking dirt road 392 Comment
  UC51612  Ambrosia salsola var. salsola Jos. Burtt Davy 1902-3-25 7937 Riverside Indio Comment
  UC724141  Ambrosia salsola var. salsola Aven and Ruth Nelson 1939-3-22 3220 Riverside near Palm Springs Comment
  UC912204  Ambrosia salsola var. salsola Herbert L. Mason 1928-3-10 4220 Riverside Hidden Springs Canyon Coachella Mountains Comment
  UCR146729  Ammi visnaga Gene McTeer 2004-9-3 s.n. Riverside Peninsular Range; Santa Rosa Plateau, Garcia property on Sunday Dr., south of Rancho California Rd., Temecula 543 Comment
  RSA263785  Amorpha californica R. Weatherby 1950-5-18 s.n Riverside Hagador 640 Comment
  UCR241186  Amorpha californica Tracy Tennant, Jeffrey Ross 1998-6-23 MOR- 517 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  RSA596775  Amorpha fruticosa D. L. Banks, K. D. Hedge 1996-5-16 1041 Riverside NW Palomar Mountains; Agua Tibia Mountains; N foothills of Dorland Mtn., S of Temecula Creek; 0.4 miles E of Pauba Road on the N side of Los Caballos Road, along the broad, sandy, southern alluvial bench of Temecula Creek. 370 Comment
  UCR172157  Amsinckia retrorsa A. C. Sanders 2006-5-11 32260 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel south of the intersection of Collier Ave. and Riverside Dr., NE of Alberhill Crk., NW of Enterprise Way 389 Comment
  UCR116600  Amsinckia tessellata A. C. Sanders 2001-4-8 23986 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic Ave., north of flood control ditch 348 Comment
  JOTR30325  Amsinckia tessellata var. tessellata La Doux, Tasha, E. Babich, J. Galvin, B. Truesdell, N. Fraga, A. Miller, J. Van Warmerdam 2008-2-4 1769 Riverside Joshua Tree National Park. Stop #1: Hexie Mtns./Porcupine Wash. Open sandy wash near road heading to Cottonwood. 745 Comment
  RSA775344  Amsinckia tessellata var. tessellata Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5015 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.00456, W116.67238 and N33.99629 and W116.66013 750 Comment
  UCR133676  Anagallis arvensis John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  RSA191392  Anagallis arvensis Robert F. Thorne 1967-10-27 6674 Riverside 5 mi. NW of Murrieta, Santa Rosa Ranch. Comment
  RSA543603  Ancistrocarphus filagineus Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6135 Riverside Santa Ana Mountains, S side of Elsinore Peak. 1037 Comment
  POM263194  Andropogon glomeratus J. C. Roos 1938-12-29 322 Riverside Palm Canyon. Comment
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Apr 3 2011
  UCR90344  Anemopsis californica Scott D. White 1995-6-29 3413 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 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
  RSA0000864  Antennaria speciosa H. M. Hall 1891-07 2401 Riverside San Jacinto Mts. Tamarack Valley. 2835 Comment
  RSA182339  Antirrhinum coulterianum J. D. Olmsted 1962-5-1 3429 Riverside NE slope just west of top of highest Southern California waterfall; 1/4 miles. SE of Falls Plateau, Snow Canyon N of Mt. San Jacinto Comment
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Nov 24 2011
  RSA300463  Antirrhinum coulterianum Walter Wisura 1982-5-29 3825 Riverside Along Pacific Crest Trail, ca. 1.5 miles N from its junction with HWY 74 1463 Comment
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Oct 29 2008
  RSA525247  Antirrhinum coulterianum Steve D. Boyd, Tim S. Ross 1990-5-11 4625 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  UCR178849  Antirrhinum coulterianum T. B. Salvato, Tracy Tennant 1998-6-23 MOR- 445 A Riverside San Bernardino Mtns., Morongo Indian Reservation, polygon 13, N end of Hathaway Canyon 1280 Comment
  UCR48368  Antirrhinum coulterianum Steve Boyd 1986-5-1 1819 Riverside S slopes of Bachelor Mtn, east end of Lake Skinner Comment
  VVC474  Antirrhinum coulterianum A. C. Sanders, J. Mac 1997-5-4 20681 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek drainage, dry slopes above Brown Creek. 915 Comment
  RSA336198  Antirrhinum filipes Robert F. Thorne, A. Shmida, R. Whittaker 1978-4-23 52014 Riverside Chino Canyon. Comment
  UCR103919  Antirrhinum nuttallianum B. G. Pitzer 1997-4-11 3115 Riverside Lakeview Mtns, Pulsar View Road (dirt), at sharp turn in road c. 1 mi. (air) NE of Juniper Flat Road, and c. 3/4 -1 mi. by road from the base of the hills. C. 3/4 mi. (airline) SE of Mt. Rudolph (measured from BM 'Nelson') 610 Comment
  UCR187495  Apiastrum angustifolium Theresa Johnson 2006-5-23 125 Riverside Peninsular Range, Oak Mountain, 1.5 mi. NNW of Vail Lake dam Comment
  UCR48499  Apium graveolens Steve Boyd 1986-4-22 1728 Riverside Temescal Canyon, Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mountain and Gavilan Hills 427 Comment
  UCR116427  Arabidopsis thaliana A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-1 24066 Riverside San Bernardino Valley region, Riverside, UCR campus 335 Comment
  RSA477449  Arabis pulchra Anstruther Davidson 1901-3-26 s.n. Riverside Colorado Desert Comment
  RSA783063  Arabis pulchra J. D. Olmsted 1958-3-29 85 Riverside Joshua Tree National Monument. Drainage into Pinto Basin. 24 miles N of Jct between Cottonwood Pass and Cottonwood Spring Roads on the former, now become Pinto Basin Road. 991 Comment
  UCR201670  Arabis sparsiflora Scott D. White, Justin M. Wood 2008-6-19 12276 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  JEPS40125  Arceuthobium campylopodum Carl V. Meyer 1929-1-5 688 Riverside Tahquitz Ridge San Jacinto Mtns 1981 Comment
  RSA629472  Arctostaphylos glandulosa Jon E. Keeley 1992-6-16 16830 Riverside Idyllwild, Saunders Meadow Road, east of Highway 243. 1610 Comment
  CAS-BOT-BC23115  Arctostaphylos glandulosa subsp. glandulosa H. M. Hall 1901-7-1 2419 Riverside San Jacinto Mts. In open forersts of Tauquitz Valley 2560 Comment
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Sep 12 2019
  RSA629363  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-6-16 16832 Riverside Hwy 243, 30 km N of Idyllwild. 1630 Comment
  RSA629445  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-16 16587 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA1541  Arctostaphylos glauca B. D. Stark 1930-2-21 1472 Riverside Hidden Canyon, near Corona, Santa Ana Mts. Comment
  RSA631755  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16508 Riverside Barranca Road, west of De Portola Road, east side of Black Mountain, east of Lake Skinner. 725 Comment
  RSA631781  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19276 Riverside Highway 79, 5 km west of Radec. 580 Comment
  RSA631791  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19565 Riverside Highway 79, 4 km west of Aguanga. 660 Comment
  UCR273498  Arctostaphylos glauca A. C. Sanders, Glen Morrison 2016-8-4 42599 Riverside Peninsular Range; Santa Ana Mountains, south side of South Main Divide Road, SE of Morgan Trailhead into San Mateo Wilderness, 0.17 km NE (46 deg. ) of Lion Spring 872 Comment
  RSA228813  Arctostaphylos glauca var. glauca Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 589 Riverside Cleveland National Forest. 5 mi. south of Lake Elsinore along Forest Route 7S04. 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
  RSA633688  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16666 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  RSA633690  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16664 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  RSA633698  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16667 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  CAS-BOT-BC434238  Arctostaphylos pringlei Tracy Tennant; Mitch Provance 1998-6-16 MOR- 422 Riverside San Bernardino Mtns. Foothills: Morongo Indian Reservation, upper Millard Canyon, north of Cabazon. 1098 Comment
  UC21863  Arctostaphylos pringlei subsp. drupacea H. M. Hall May 1899 1123 Riverside Strawberry Valley San Jacinto Mountains 1615 Comment
  LA204844  Arctostaphylos pungens Jonathan Sauer; R. Minnich 5959 Riverside San Jacinto Mountains Comment
  RSA635772  Arctostaphylos pungens Jon E. Keeley 1992-7-17 16728 Riverside Morris Ranch Road (6S06), 0.8 km east east of Highway 74, Garner Valley. 1440 Comment
  RSA635802  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16521 Riverside Red Mountain Road, 1.8 km east of R3. 850 Comment
  SD180718  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-2 399 Riverside Santa Margarita Ecological Reserve, east of A!Highlands TrailA(r) on mesa top near weather station. Among boulders, exposed, 0 slope. 639 Comment
  SD180719  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-2 401 Riverside Santa Margarita Ecological Reserve, east of A!Highlands TrailA(r) on mesa top, ca. 100m east of weather station. Among boulders, exposed, 0 slope. 654 Comment
  UCR158721  Argemone munita A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30014 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  RSA502588  Argemone munita subsp. munita Steve Boyd, Tim S. Ross, L. Arnseth 1989-6-11 3724 Riverside Vail Lake area, recently burned hills SE of lake, S of Hwy 79. 488 Comment
  JOTR35938  Aristida adscensionis De Groot, Sarah J., Evan Meyer and Abby Hird 2013-3-23 6886 Riverside Joshua Tree National Park. north and northwest part of Lost Palms Oasis 960 Comment
  SEINET229296  Aristida adscensionis L. M. Shultz, JS Shultz 1985-4-17 8307 Riverside Soouthern extension of the Big Maria Mountains. In section '26.5 98 Comment
  UCR128944  Aristida adscensionis Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Sonoran (Colorado) Desert, Canyon Spring, Orocopia Mtns. 372 Comment
  UCR256798  Aristida adscensionis T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7874 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 549 Comment
  SEINET244313 Image available Aristida hamulosa A. C. Sanders, T. B. Salvato 2001-5-16 24301 Riverside Perris-Aguanga Basin; S of Hemet, 1/4 mi. S of Gibbel Rd. about 1 mi E of State St., foothills forming east end of Diamond Valley, 1 mi SSE of Hemet Butte, S of mouth of Avery Cyn. 518 Comment
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Jul 14 2014
  SD248293  Aristida oligantha Marc A. Baker, Amy Robinson, Chris Hackbarth & Michelle Cloud-Hughes. 2013-3-19 17715 Riverside Palo Verde Mesa, 14 km SW of Blythe, 5 km ENE of north end of the Mule Mountains. (Ripley 7.5'Q) Comment
  SEINET14198857  Aristida purpurea J. C. Roos 1966-4-22 Riverside Rocky hills between March AFB and Lakeview Comment
  RSA385034  Aristida purpurea var. fendleriana H. de Forest, Jack Rempel 1934-4-14 s.n. Riverside San Gorgonio Pass. 640 Comment
  UCD56530  Aristida purpurea var. fendleriana Alan A. Beetle 1946-6-10 4405 Riverside Near Palm Springs. Comment
  JOTR16772  Aristida purpurea var. purpurea Hogan, J. 1975-5-29 80 Riverside Joshua Tree National Park. 1.5 MILES EAST OF SHEEP PASS CAMPGROUND 1341 Comment
  RSA543306  Artemisia californica Steve Boyd 1991-3-17 5490 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
  RSA784531  Artemisia californica J. D. Olmsted 1959-2-23 266 Riverside Drainage area NE to Santa Ana River: 1 mi SW of olive grove on Oak flat fire rd. 4 mi S of Corona on Lincoln and Chase Dr. to wash then south. 457 Comment
  RSA0059637  Artemisia douglasiana I. W. Clokey, E. G. Anderson 1935-8-21 6984 Riverside West of Keen Camp P.O. 1360 Comment
  UCR100164  Artemisia ludoviciana subsp. incompta Scott D. White 1992-12-16 985 Riverside Vail Lake area, c. 9 air mi east of Aguanga (junction of Hwys 371 & 79) & 3 air mi north of Beauty Mtn Peak. 1372 Comment
  RSA249447  Artemisia ludoviciana subsp. ludoviciana John F. Emmel 1973-4-7 425 Riverside Twin Pines Creek, at north base of San Jacinto Mts., ca. 1 1/2 air miles SW of Cabazon. 2073 Comment
  POM96736  Artemisia tridentata subsp. tridentata E. C. Jaeger 1925-11-9 s.n. Riverside Dripping Spring, S.W. Riverside Co. Comment
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Jul 11 2013
  SDSU13516  Artemisia tridentata subsp. tridentata W. Miller with C. Mosse 1972-7-12 Riverside Riparian river bed 50 yards west of erosion area. Comment
  SJSU5188  Asclepias albicans L. M. Stotelmyre 1970-3-23 49 Riverside Coxcomb Mts, eastern Riverside County. Comment
  RSA612606  Asclepias californica D. L. Banks, Victor Steinmann 1997-3-13 1491 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  RSA696498  Asclepias eriocarpa Keith E. Hoffmaster 1934-4-8 772 Riverside Santa Ana Mts. Comment
  UCR202581  Asclepias eriocarpa Scott D. White, Justin M. Wood 2008-7-8 12384 Riverside San Jacinto Mountains, Hurkey Creek Watershed - Bonita Vista Road, c. 1/2 mi east and west of Hurkey Creek crossing 1537 Comment
  UCR51475  Asclepias erosa S. J. Myers 1987-8-6 s.n. Riverside Aguanga, c. 1/2 mi. west of Hwy 371 at intersection of El Pasta and El Reposo Rd. 642 Comment
  RSA263903  Asclepias subulata C. W. Tilforth 1976-7-21 1220 Riverside Along Hwy 195 in large sandy wash, 15 miles NE of Mecca Comment
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May 29 2011
  SBBG5722  Asclepias subulata H. and M. Dearing 1940-11-10 5009 Riverside Thousand Palms Cyn 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
  UCR264470  Aster subulatus Jeremiah George 2014-12-11 s.n. Riverside San Gorgonio Pass Region, Beaumont, just south of West 4th St. at end of small paved spur road, area boxed in by commercial development 772 Comment
  RSA782083  Astragalus Duncan S. Bell 2009-3-9 124 Riverside Arica Mountains: east side of mountain range, west side of Rice Valley approximately 2.7 air miles northeast of Priest Well or approximately 3.3 air miles southeast of the ghost town of Rice. 244 Comment
  UCSB10440  Astragalus Robert M. Lloyd 1960-3-23 355 Riverside collected 1.0 mi from, along State Highway 111 SE of Palm Springs U S Highway 99 - , State Highway 111 and Palm Springs 396 Comment
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Nov 19 2014
  CAS-BOT-BC177725  Astragalus crotalariae Ynez Winblad 1936-2-20 s.n. Riverside 12 miles s. of Mecca Comment
  POM98779  Astragalus didymocarpus var. dispermus M. French Gilman 1926-2-22 s.n Riverside Thousand Palms Canyon. Comment
  VVC2870  Astragalus douglasii var. douglasii Tim Thomas, P. J. MacKay 2010-4-12 5022 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  CAS-BOT-BC178434  Astragalus douglasii var. parishii Peter H. Raven; Sidney R. Snow 1956-7-6 9662 Riverside On deserty roadbanks, 1.5 miles from hemet Road on roat to Aquanga, San Jacinto Mts. Comment
  SBBG133360  Astragalus douglasii var. parishii S. D. White, J. M. Wood 2008-6-5 12079 Riverside Garner Valley, Hwy 74 at Thomas Mtn Rd, SW corner of junction, San Jacinto Mtns 1326 Comment
  SEINET3127349  Astragalus douglasii var. parishii F. M. Reed 1908-7-14 2456 Riverside San Jacinto Mts., Strawberry Valley Comment
  UC1563117  Astragalus douglasii var. parishii Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-18 2998 Riverside Temecula Creek Cyn below Vail Lake dam (Vail Lake area); Temecula Creek Cyn below Vail Lake dam 457 Comment
  SEINET12159899  Astragalus hornii Unknown 1936-1 12852 Riverside foothills of San Jacinto Mtns. S of Palm Springs Comment
  UCR214434  Astragalus insularis var. harwoodii A. C. Sanders 2010-3-15 37423 Riverside Sonoran (Colorado) Desert, western edge of Blythe near the airport, Black Rock Rd. near the Mesa Dr. and I-10 intersection 120 Comment
  POM275877  Astragalus lentiginosus var. coachellae L. R. Abrams 1926-3-26 11091 Riverside between Edom and Garnet east of San Gorgonio pass. Comment
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Apr 5 2011
  RSA0021327  Astragalus lentiginosus var. coachellae Duncan S. Bell, Kim Clark, Keir Morse, Harry Spilman 2013-3-30 4653 Riverside Around the confluence of the San Gorgonio and Whitewater river drainages, just south of the historic Palm Springs Station, about 1.5 air miles northwest of Windy Point. 340 Comment
  SD232244  Astragalus lentiginosus var. coachellae Scott D. White 2001-4-18 8367 Riverside Coachella Valley: Palm Springs. Northeast corner of 30th Ave. and Devall St. 100 Comment
  UCR23854  Astragalus nuttallianus John C. Roos 1958-3-15 s.n. Riverside Sonoran (Colorado) Desert, 3 mi. SE of Desert Center, Chuckwalla Mtns. Comment
  RSA777331  Astragalus nuttallianus var. imperfectus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 828 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' Old mine access road 534 Comment
  UC218004  Astragalus nuttallianus var. imperfectus P. A. Munz, D. Keck Apr 9 1922-Apr 12 1922 4846 Riverside vicinity Corn Springs (Chuckwalla Mountains, Colorado Desert); Colorado Desert, Chuckwalla Mountains, vic Corn Springs 670 Comment
  CAS-BOT-BC192762  Astragalus palmeri Reid Moran 1941-5-4 837 Riverside East of Quail Spring, Joshua Tree Nat. Mon. 1300 Comment
  SD37529  Astragalus palmeri Edith A. Purer 1935-4-21 6467 Riverside Palm Springs, desert floor Comment
  CAS-BOT-BC194170  Astragalus pomonensis Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-3 4071 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of Big Oak Mtn., just S of the E summit. 701 Comment
  CSUSB1295  Astragalus pomonensis I. S. Singh 1972-5-2 Riverside Highway 71, 5 miles south of Elsinore Comment
  UCD105191  Astragalus pomonensis R. N. Raynor 1938-6-20 s.n. Riverside Aguanga. Comment
  UCR139183  Astragalus pomonensis Virginia Moran 2003-4-23 s.n. Riverside March Air Force Base, west of I-215, in vegetation sampling plot set up by Center for Natural Lands Management 488 Comment
  LA205751  Astragalus tricarinatus J. A. Ewan; 1930-4-18 3096 Riverside Dry Morongo Creek below Morongo Valley 518 Comment
  UCR91484  Athysanus pusillus Scott D. White 1995-4-5 2761 Riverside Perris Valley, Lakeview Mountains; SW of Juniper Flat Road 579 Comment
  UCR166847  Atrichoseris platyphylla Chet McGaugh 2005-1-27 s.n. Riverside Sonoran (Colorado) Desert, E of Salton Sea, along Coachella Canal between siphons 26-27 NE of Dos Palmas Spring 24 Comment
  UCR60765  Atrichoseris platyphylla Orlando Mistretta 1986-3-13 1454 Riverside Sonoran (Colorado) Desert, NE of Desert Center, west side Palen Mtns. 229 Comment
  UCSB9759  Atrichoseris platyphylla Haller, John 1960-4-2 Riverside Lower slopes of Orocopia Mtns., 1.5 mi. S of the junc. of U.S. highway 60-70 and the S entrance road to Joshua Tree Natl. Mon. 609 Comment
  POM278684  Atriplex canescens Grant D. Brown 1950-3-29 522 Riverside 5 miles NW of Aguanga on Hyway #79. 548 Comment
  RSA502590  Atriplex canescens Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3726 Riverside Vail Lake area, wetlands of Wilson Creek, east of the lake. 457 Comment
  RSA545299  Atriplex canescens R. F. Thorne 1966-10-15 41790 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway Comment
  SEINET3930594  Atriplex canescens Grant D. Brown 1950-3-29 521 Riverside Aguanga on highway 379.; 0 549 Comment
  UCR17337  Atriplex canescens subsp. linearis N. R. Zabriskie, W. W. Zabriskie 1970-12-29 331 Riverside Western Colorado Desert/ San Jacinto Mtns, Andreas Canyon Club property, Palm Canyon watershed, east slope San Jacinto Mtns. 168 Comment
  UCR214711  Atriplex canescens var. macilenta A. C. Sanders 2010-3-25 37628 Riverside Sonoran (Colorado) Desert; Salton Trough, Durmid, east side of the Salton Sea, between Hwy 111 and the RR just north of the Imperial Co. line, 9 miles south of North Shore (Desert Beach), just below Bat Caves Buttes -59 Comment
  UC206814  Atriplex coronata G. R. Vasey 1880-1 549 Riverside San Jacinto Valley Comment
  OBI53316  Atriplex coronata var. notatior R. A. Johnson & G. A. Ruffner, G. A. Ruffner 1990-1 Riverside Comment
  UCR75531  Atriplex coronata var. notatior A. C. Sanders 1993-5-12 14005 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
  UCR90767  Atriplex davidsonii D. E. Bramlet 1993-5-16 2354 Riverside San Jacinto Valley, 5.8 km west of Hemet, 732m south of Florida Avenue and 244m west of Warren Road, 549m east of the MWD canal and 30m east of the San Diego Aqueduct. 456 Comment
  SD175810  Atriplex elegans R. E. Riefner Jr. 2006-8-2 06 350 Riverside City of Corona, southeast ca. 0.75 mile from Cajalco Rd. and Temescal Wash; south ca. 1.5 mile of Blue Diamond Quarry. 310 Comment
  SEINET6092079  Atriplex elegans Unknown 17073 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  SBBG129044  Atriplex elegans var. elegans R. E. Riefner Jr. 2013-8-17 13 -190 Riverside City of Lake Elsinore, along Collier St and Hwy 74 S to Temescal Wash 393 Comment
  CAS-BOT-BC170253  Atriplex hymenelytra Ira L. Wiggins 1941-3-24 9590 Riverside On silty slopes 1/2 mile from beach on east side of Salton Sea, 1 mile north of Imperial County line. Comment
  CAS-BOT-BC170258  Atriplex hymenelytra Roxana S. Ferris 1918-6-14 987 Riverside At Shavers Well, Box Canyon in Chocolate Mts. Comment
  RSA0031555  Atriplex hymenelytra Duncan S. Bell 2013-1-30 4445 Riverside The Mecca Hills; in an unnamed canyon between Thermal Canyon and Painted Canyon, just to the west of Mecca Hills peak 1642. 138 Comment
  SEINET12740150  Atriplex hymenelytra E. Adams 1978-1 S.N. Riverside Mecca, Box Canyon. Desert wash. Comment
  CAS-BOT-BC170070  Atriplex parishii H. C. Stutz 1994-10-17 9693 Riverside W side of Hemet, 100 yeards east of California Street terminus. Comment
  RSA5583  Atriplex polycarpa C. B. Wolf 1932-10-13 s.n. Riverside Caleb (Southern Pacific railway siding), 4.5 miles SE of Mecca, Colorado Desert 61 Comment
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Jul 16 2015
  RSA653589  Atriplex prostrata A. C. Sanders, D. Bramlet, Mihai Costea, T. Salvato 1999-10-15 23181 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1 mile W of Jackrabbit Trail on Gilman Springs Rd., 0.4 mi. W of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Spr. 436 Comment
  POM278972  Atriplex rosea Grant D. Brown 1950-12-2 587 Riverside Cajalco Resevoir, SE; Cajalco Canyon. 442 Comment
  RSA653333  Atriplex serenana Mitch Provance 2000-9-28 2266 Riverside Riverside: N side fo Latham St., about 1/8 mile W of intersection with Keats Dr., 34 deg 00' 12.2'' N, 117 deg 21' 55.4'' W. 245 Comment
  UCR6700  Atriplex serenana W. W. Wright 1967-1 s.n. Riverside City of Riverside, University of California campus, south of Pennsylvania Ave. (now Martin Luther King Blvd.), west of Midgeville. 335 Comment
  RSA736292  Atriplex suberecta Scott D. White, Justin Wood 2008-5-27 12031 Riverside North bound I-215 freeway corridor, S of San Jacinto River crossing. 431 Comment
  SD234362  Atriplex suberecta A. C. Sanders, Mark Elvin 2002-6-18 25113 Riverside NE end of Santa Susana Mtns.: Newhall Ranch, farm area in valley along a wash, 1 mile SSW of Castaic Junction, west of Magic Mountain amusement park. 327 Comment
  UCR275576  Atriplex suberecta T. B. Salvato, Jennifer Weiland 2005-6-13 605- 3 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
  RSA522086  Atriplex suberecta Steve Boyd, Timothy S. Ross, K. A. Boyd 1989-6-24 3752 Riverside Vail Lake area, near summit of 'Little Oak' Mtn. along road. 627 Comment
  POM319732  Atriplex subspicata Patricia Wilder 1971-11-11 5291 Riverside Along Santa Ana River, north of Jurupa Ave., opposite Sheppard Street at crossing of the Union Pacific Railroad. 229 Comment
  UCR2184  Avena barbata H. S. Fawcett 1914-5-15 1334 Riverside Riverside, Citrus Experiment Station Comment
  RSA385393  Avena fatua N. C. Cooper 1947-4-5 2107 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  UCR116795  Avena sativa A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24151 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  JEPS13897  Ayenia compacta Marjorie Clary 1932-1-22 Riverside Desert canyons at base of Santa Rosa Mountains, southwest of Coral Reef, Coachella Valley Comment
  RSA180393  Baccharis emoryi E. W. Lathrop 1965-10-24 6019 Riverside 5 miles W of Murrieta 610 Comment
  RSA463261  Baccharis pilularis L. F. LaPre, Jack Easton 1988-1-12 s.n. Riverside Mesa de la Punta, Santa Rosa Springs Ranch. 610 Comment
  POM50389  Baccharis salicifolia W. W. Eggleston 1924-3-10 19541 Riverside San Jacinto Station, Cleveland Forest 600 Comment
  RSA296180  Baccharis salicifolia B. A. Prigge 1980-8-5 3818 Riverside Whitewater Canyon; 0.5 mile N of trout farm. 701 Comment
  RSA552717  Baccharis salicifolia Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-26 6686 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  UCD129467  Baccharis salicifolia subsp. salicifolia C. L. Hitchcock 1966-3-15 24159 Riverside 3 mi. e. of Glen Ivy Hot Springs. Comment
  CAS-BOT-BC106675  Baccharis salicina J. Ewan 1931-10-3 5216 Riverside River bottom flat, Santa Ana River, 4 mi. N.W. of Corona Comment
  OBI37442  Baccharis salicina Oscar F. Clarke 1970-10-28 Riverside Botanic Gardens of the Univ. of CA, Riverside Comment
  SBBG96142  Baccharis salicina O. F. Clarke 1970-10-20 Riverside UC Riverside Botanic Garden, on the campus of UC Riverside Comment
  CLARK-A1656-809  Baccharis sergiloides Theo Glenn 1982-9-25 Riverside Snow Creek Comment
  IRVC513  Baccharis sergiloides R. H. Whittaker, W. A. Niering 1963-6-7 SJ 283 Riverside slope SE-5o wash, sand alluvial soil. 1037 Comment
  RSA314397  Baccharis sergiloides R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55405 Riverside San Bernardino Mts.: Side canyon on W side of Whitewater Cyn, ca. 3.3 mi. N of Whitewater Post Office. 595 Comment
  RSA588165  Baccharis sergiloides Darin L. Banks, Steve Boyd 1995-10-17 0804 Riverside NW Palomar Mountains. Agua Tibia Mountains. Cleveland National Forest. Agua Tibia Wilderness Area. Along lower Arroyo Seco. S of the Dripping Springs Campground., Along the narrow benches where Arroyo Seco turns E, just W of the Metasedimentary hills. 524 Comment
  LA31363  Bahiopsis parishii Jane Turner; Barbara Whitesel, Virginia Sjaholm 1959-3-21 C- 178 Riverside Morongo Wash Comment
  UCR85075  Baileya multiradiata A. C. Sanders, Helmkamp & MacKay 1995-3-12 16019 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  JEPS20785  Baileya pauciradiata Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13232 Riverside 2.4 mi s of Rice (on road to Midland and Blythe) Comment
  POM350661  Baileya pauciradiata N. C. Cooper 1944-5-20 2642 Riverside Palm Springs. 137 Comment
  UCD129501  Baileya pauciradiata Richard Bates 1949-4-26 s.n. Riverside Cathedral City, southwest of Palm Springs. Comment
  UCR42403  Baileya pleniradiata J. M. Stewart 1986-3-3 86- 15 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, east of Desert Center, east of the dry lake south of Palen Dry Lake Comment
  SBBG60786  Bebbia juncea Anstruther Davidson 1895-1 Riverside Palm Springs Comment
  UCR199615  Bebbia juncea Scott D. White, Angelia Carey 2004-7-2 10563 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  UCSB16944  Bebbia juncea Winn, Will 1963-4-8 Riverside 39.4 miles west of Desert Center on U.S. Highway 60-70 152 Comment
  CAS-BOT-BC100124  Bebbia juncea var. aspera K. Bonner 1977-10-31 2594 Riverside 14 miles South of Vidal 161 Comment
  RSA0048237  Beloperone californica N. Dunn, A. M. Martin 1932-3-26 s.n. Riverside Shavers Well. Comment
  CLARK-A1528-5632  Berberis dictyota John C. Roos 1947-1-31 3215 Riverside Reche Canyon Comment
  CAS-BOT-BC75736  Berberis nevinii Steve Boyd; Tim Ross; Laurel Arnseth 1990-3-29 3908 Riverside Vail Lake area, summit of 'Big' Oak Mountain, north of lake. 822 Comment
  RSA439857  Bergia texana S. B. Parish 1891-11-3 s.n. Riverside Elsinore Lake. Comment
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Aug 8 2010
  SEINET893003  Bergia texana A. C. Sanders, Mitch Provance 1999-1 23132 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi S of Eden Hot Spr. El Casco. 432 Comment
  RSA336055  Bernardia incana R. F. Thorne, Avi Shmida, Robert Whittaker 1978-4-23 52064 Riverside Palms to Pines Highway: Along highway, Santa Rosa Mountains. Comment
  UCD169505  Beta vulgaris Mitch Provance 2003-7-4 4640 Riverside San Bernardino Valley, Riverside, Monticello Ave. near the canal, between Driftwood and Conway Drives. 226 Comment
  SDSU11583  Bloomeria crocea Stan Matlier 1938-5-13 Riverside Lake Elsinore Grade Comment
  CAS-BOT-BC478858  Bloomeria crocea var. aurea H. M. Hall 1901-6-1 2101 Riverside San Jacinto Mtns. 1463 Comment
  CLARK-A1528-3267  Boerhavia coccinea John C. Roos 1966-9-20 Riverside San Jacinto Comment
  SD186257  Boerhavia coccinea T. B. Salvato, Melissa Clemons 2005-6-23 1310 Riverside Temescal Valley, 3.0 miles northwest of Alberhill, Temescal Canyon Road at Corona Lake. 353 Comment
  UCD98027  Boerhavia coccinea T. C. Fuller 1968-7-17 17388 Riverside Behind post office, 288 E. Main St., San Jacinto. Comment
  UCR19108  Boerhavia coccinea John C. Roos 1948-5-15 3858 Riverside Sonoran (Colorado) Desert, S foot of the Eagle Mtns, mouth of Lost Palms Wash Comment
  RSA462667  Boerhavia triquetra C. M. Dammers 1924-10-6 s.n. Riverside Cottonwood Springs Comment
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Oct 13 2012
  UCR260950  Boerhavia triquetra Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6023 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, c. 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well 107 Comment
  SD262318  Boerhavia triquetra var. intermedia Onkar Singh 2015-11-9 5606 Riverside Colorado Desert Region, Chuckwall valley, ca. 5 km east of Eagle Mountain Mine, Victory Pass 7.5'Q 284 Comment
  UCR58441  Boerhavia wrightii A. C. Sanders 1989-9-20 9514 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range: Tabaseca Tank, in the extreme northern end of the Chocolate Mountains 610 Comment
  RSA0088439  Bolboschoenus maritimus subsp. paludosus Mitch Provance 2011-7-4 17180 Riverside San Bernardino Valley: Northwestern base of the Jurupa Mountains, adjacent to S side of Fontana (technically in an unincorporated part of Riverside Co.), retention basin on S side of Philadelphia St., just E of Country Village Rd. 262 Comment
  RSA613138  Bothriochloa barbinodis D. L. Banks 1997-3-6 1408 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
  UCR211550  Bouteloua aristidoides Jim Andre, T. La Doux 2008-9-13 10260 Riverside Sonoran (Colorado) Desert, Palen Valley, along west side of Hwy 177, east side of Coxcomb Mountains, just west of Palen Valley Sand Dunes area, east boundary of Joshua Tree National Park 205 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
  JOTR35023  Bouteloua barbata var. barbata La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3109 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road, near Mission Well Comment
  RSA782005  Bouteloua barbata var. barbata Stephanie Rockwood, Christi Gabriel 2011-10-18 120 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 109 Comment
  RSA613130  Bowlesia incana D. L. Banks 1997-3-6 1399 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
  SBBG87352  Bowlesia incana B. Pitzer, A. C. Sanders 1987-4-21 491 Riverside Box Springs Mtns, near southernmost radio towers; T2S, R4W, SE1/4 S27 792 Comment
  OBI8337  Brandegea bigelovii David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-27 12059 Riverside Along Box Cyn Rd ca 20 mi ENE of Mecca in Orocopia Mts 274 Comment
  POM254737  Brandegea bigelovii P. A. Munz 1940-3-24 15695 Riverside 3 miles south of Cottonwood Springs, Eagle Mts 457 Comment
  RSA550357  Brandegea bigelovii W. Wisura 1992-3-24 4631 Riverside 13.1 mi NE of Mecca on Box Canyon Rd. seed voucher Comment
  RSA708487  Brandegea bigelovii Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10893 Riverside Eastern Coachella Valley. Bajada beneath Mecca Hills , just east of Coachella Canal. 24 Comment
  SEINET9340437  Brandegea bigelovii Unknown 1993-4-4 10593 Riverside Hard pavement flats at Cholla Garden, Joshua Tree N.M.. Comment
  CAS-BOT-BC29979  Brassica fruticulosa A. C. Sanders; Oscar F. Clarke 1989-4-5 9035 Riverside Box Springs Mountains, on the east edge of Riverside. At the end of the dirt road in Two Trees Canyon. Comment
  UCR96869  Brassica geniculata Scott D. White 1993-3-12 1173 Riverside Near Winchester 466 Comment
  SEINET10481266  Brassica incana David B. Dunn 1948-6-18 Dunn 3834 Riverside Planted along hwy near Cabazon. Along roadside. Comment
  SBBG82062  Brassica nigra O. F. Clarke 1985-5-13 Riverside San Jacinto River Valley, gun club ponds E of Davis Rd, a short distance N of Lakeview, E of the Bernasconi Hills 426 Comment
  UC50321  Brassica rapa H. M. Hall 1903-4-1 3816 Riverside vicinity of Riverside; Southern California 304 Comment
  UCR165821  Brassica tournefortii John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  UCR216492  Brassica tournefortii Tasha La Doux, Jim Andre 2009-3-10 387 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  UCR230780  Brassica tournefortii A. C. Sanders, Nathan Moorhatch 2011-3-22 38778 Riverside Peninsular Range, powerline corridor through hills 6.4 km SW of Perris, east of Hwy 74 and south of Ethanac Rd. 506 Comment
  CAS-BOT-BC106336  Brickellia atractyloides var. arguta Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9553 Riverside Cottonwood Springs Canyon Comment
  POM256979  Brickellia desertorum C. B. Wolf 1931-10-14 1330 Riverside Snow Creek 1/2 mi. below the Fish Hatchery N base of San Jacinto Mountains. 549 Comment
  POM301772  Brickellia desertorum J. Cole 1942-5-19 960 Riverside Ruby Lee Mine, Joshua Tree National Monument. 915 Comment
  RSA0104483  Brickellia desertorum Duncan S. Bell 2015-9-30 8673 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  RSA609528  Brickellia desertorum L. C. Wheeler 1952-10-30 6380 Riverside Citrus Experiment Station ( = the present University of California, Riverside). Comment
  CAS-BOT-BC100516  Brickellia incana K. Larson 1977-5-11 2298 Riverside 10 mi. W. of Desert Center Comment
  UCR18575  Brickellia nevinii John C. Roos 1965-9-12 s.n. Riverside Santa Ana Mtns., Tin Mine Canyon, 3 mi SW of Corona 550 Comment
  RSA367529  Brodiaea Anstruther Davidson s.n. Riverside Palm Springs. Comment
  RSA0020379  Bromus Duncan S. Bell, Keir Morse 2013-3-30 4663 Riverside A small hidden spring in an unnamed canyon to the east of Snow Canyon, about 1.8 air miles southwest of Windy Point. 482 Comment
  SEINET901458  Bromus arizonicus A. C. Sanders 1989-1 9068 Riverside City of Riverside, Spontaneous in yard at 422 Campus View Drive Comment
  UC162210  Bromus arizonicus H. M. Hall May, 1905 5980 Riverside Colorado Desert Comment
  UCR112587  Bromus arizonicus A. C. Sanders 1998-3-17 21748 Riverside Riverside, open fields at NE edge of UCR campus, east of A & I dorms and south of Watkins Dr. 335 Comment
  UCR157593  Bromus arizonicus A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16220 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
  UCR2216  Bromus catharticus F. M. Reed 1933-6-23 7863 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 290 Comment
  SEINET3922343  Bromus diandrus D. Atwood 1993-3-28 17709 Riverside Bolsa Chica Ecological Reserve, California Dept. of Fish and Game.; 0 0 Comment
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Jul 20 2015
  SEINET4691497  Bromus diandrus A. C. Sanders, John F. Green 2012-1 40036 Riverside Peninsular Range; Santa Ana Mtns. Region: Temescal Canyon along Temescal canyon Rd. between Glen Ivy and Indian Truck Trail c 370 m NW of El Hermano Rd. 312 Comment
  UCR108872  Bromus grandis Heidi A. Haid 1968-1 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  RSA652809  Bromus rubens Colleen Callan 1992-4-25 20 Riverside Yucca Valley. 10 freeway east to Highway 62 east. North on Hwy 247. West on Pipes Canyon Road for Five miles. 1249 Comment
  RSA771122  Bromus rubens Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5003 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm)., between N34.00456, W116.67238 and N33.99629 and W116.66010 750 Comment
  SEINET3923274  Bromus rubens R. L. Piemeisel 1913-4-27 3618 Riverside W of Crestmore.; 0 Comment
  RSA595313  Bromus rubens D. L. Banks, Victor Steinmann 1996-4-20 885 Riverside NW Palomar Mountains; Agua Tibia Mountains; N face of Dorland Mtn., on the W side of the Dorland Mountain Arts Colony; Along the road to the Dorland Mountain Arts Colony;, approximately 100 m S from its junction with Hwy. 79. Area just north of Sec.19. 484 Comment
  UCR241785  Bromus tectorum A. C. Sanders, Timothy W. Chumley 2013-4-1 40722 Riverside Peninsular Range; Elsinore Valley, Hwy 74 at Collier, large vacant parcel at SE corner of intersection, NE edge of Lake Elsinore, between Riverside Dr. (Hwy 74) and Enterprise Way 385 Comment
  UCR214137  Bromus trinii A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37717 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, 0.45 mi NNE (14 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 418 Comment
  UCR2260  Bromus trinii F. M. Reed 1906-3-17 917 Riverside Riverside: mouth of South fork of Arroyo Tequesquite 396 Comment
  RSA0014313  Caesalpinia virgata Justin M. Wood, J. Miner 2010-4-29 1545 Riverside Coachella Valley: Cathedral City, 0.5 mi SW of intersection of East Palm Canyon Drive and Cathedral Canyon Wash. 130 Comment
  RSA517252  Caesalpinia virgata Steve Boyd 1986-2-18 1322 Riverside Mecca Hills, Colorado Desert: Painted Canyon N of Highway 195. Comment
  RSA550273  Caesalpinia virgata Walter Wisura, John Dolan, Michael Wall 1992-3-24 4623 Riverside Lowdesert: 6.2 miles NE of Mecca on Box Canyon Road. Comment
  RSA605770  Caesalpinia virgata A. C. Sanders 1995-5-23 17125 Riverside Colorado Desert, Coachella Valley: alluvial fans below the Santa Rosa Mtns., near the mouth of Martinez Cyn., at end of 72nd Ave. 25 Comment
  RSA643332  Caesalpinia virgata R. D. Goeden, D. W. Ricker 1980-3-20 s.n. Riverside Colorado Desert: Coachella Valley, Painted Canyon in the Mecca Hills 122 Comment
  SEINET10451867  Caesalpinia virgata Chris Dietrich, Mary Merello; Heidi H. Schmidt 1994-4-12 Dietrich 25 Riverside 9 miles north-northwest of Indio, off Dillon Road 1.9 miles northeast on Berdoo Canyon Road (J241). BLM land. Desert Access Guide Map #17. Along gravelly wash in creosote bush scrub. 380 Comment
  UCR41274  Caesalpinia virgata B. G. Pitzer 1986-2-9 0006 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
  UCR16506  Calandrinia ciliata Karen Cook 1966-3-17 s.n. Riverside 100 yd east of north-south railroad tracks on corner of Tanescalst and Compton Ave., Corona 274 Comment
  NY409595  Callitriche marginata R. F. Thorne 1969-5-12 37925 Riverside Santa Rosa Plateau: large vernal marsh on S end of Mesa de Colorado, Rancho California Comment
  POM13640  Callitriche marginata P. A. Munz 1922-4-29 5064 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  CAS-BOT-BC85764  Calocedrus decurrens W. L. Jepson; H. M. Hall 1901-5-17 1448 Riverside From Riverside to Santa Rosa Peak and Palomar Comment
  POM12906  Calochortus concolor Philip A. Munz 1922-6-24 5811 Riverside Pipe Creek, Hemet Valley, San Jacinto Mountains region 1402 Comment
  CAS-BOT-BC488545  Calochortus concolor Carl B. Wolf 1932-5-24 3654 Riverside No. base of San Jacinto Mts., Snow Creek Canyon, 1 mile above Fish Hatchery 792 Comment
  POM13563  Calochortus flexuosus Philip A. Munz, D. D. Keck 1922-4-12 4838 Riverside Vicinity of Corn Springs Chuckwalla Mts., Colorado Desert 671 Comment
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May 28 2011
  RSA369041  Calochortus invenustus Robert L. Rutherford 1944-7-16 1440 Riverside San Jacinto Mountains, above Pine Cove. 2073 Comment
  POM307261  Calochortus palmeri var. munzii Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2125 Riverside Santa Rosa Mountains. Comment
  UCR16067  Calochortus splendens Anna Mayers 1978-4-10 s.n. Riverside Lake Mathews, 1.6 mi south of the junction of La Sierra and Cajalco Comment
  RSA500537  Calochortus weedii var. weedii Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-6-4 3630 Riverside Vail Lake area, just S of Jtn Hwy 79 and road to Vail Lake Marina, Butterfield Valley. 457 Comment
  POM158062  Calycoseris parryi A. M. Alexander 1941-5-11 2146 Riverside 1.5 mi N of Cottonwood Spring, Eagle Mts. 976 Comment
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Oct 9 2010
  UCR213256  Calycoseris wrightii A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37457 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  JOTR30119  Calyptridium monandrum La Doux, Tasha, Bill Truesdell, Erin Babich 2008-3-10 1685 Riverside Joshua Tree National Park. Stop # 2 = Pinto Basin near Sandhill 538 Comment
  RSA0117828  Calyptridium monandrum Sarah J. J. De Groot, Grace Cho 2016-4-4 7770 Riverside Santa Rosa Mountains, southwest of Palm Desert, north of Alpine Village and Highway 74. Along Dunn Road between Haystack and Asbestos Mountains. 1233 Comment
  SEINET3088876 Image available Calyptridium monandrum Don Mitchell 1990-4-30 Riverside W side of Sage Road, 1/2 mi south of intersection with Wilson Valley Road. Sage 7.5 701 Comment
  UC851944  Calyptridium monospermum P. A. Munz 1922-7-7 6039 Riverside San Jacinto Peak 3291 Comment
  UCR100437  Calystegia macrostegia B. G. Pitzer 1997-4-20 3200 Riverside Lakeview Mtns, Pulsar View Road, c. 1/2 mi. up from the base of the hills (at end of Warren St.) c. 1 mi. (air) north of Juniper Flats (Contour) Rd. 549 Comment
  UCR172717  Calystegia macrostegia Jun Hu 2000-5-11 18 Riverside San Jacinto Valley, SE of city of Winchester, Hills N of Diamond Valley 488 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
  RSA263767  Calystegia macrostegia subsp. intermedia E. W. Lathrop 1968-5-17 6885 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive. 1067 Comment
  UC23163  Calystegia macrostegia subsp. tenuifolia Geo. F. Reinhardt June 1897 Riverside San Jacinto Valley San Jacinto Valley (Southern California) Comment
  CLARK-A1045-170  Camissonia bistorta George K. Helmkamp 1979-4-27 Riverside Santa Ana Mountains Wildomar 7.5'Q Comment
  POM31999  Camissonia bistorta C. F. Baker 1903-4-5 4118 Riverside Hemet Comment
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Mar 24 2011
  RSA496457  Camissonia bistorta Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3073 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
  RSA524436  Camissonia bistorta Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4052 Riverside Vail Lake area, E flank of Big Oak Mtn, S of E summit. 610 Comment
  UCR26546  Camissonia bistorta A. C. Sanders, S. Hagopian 1981-5-20 2122 Riverside Agua Tibia Mountains Area, Wolf Valley, SE of Temecula, at the junction of Road S16 with the road to the Pechanga Indian Reservation 351 Comment
  UCR43177  Camissonia bistorta B. G. Pitzer 1986-5-6 0205 Riverside Peninsular Range, Butterfield Stage Ranch Development, hills on the north side of Pauba Valley in Rancho California area, 1 mi south of Buck Mesa, on the E side of Butterfield Stage Rd. 457 Comment
  RSA9345  Camissonia boothii subsp. condensata Mary F. Spencer 1920-4-3 1445 Riverside Colorado Desert, Palm Springs, in desert sand. 122 Comment
  SEINET3093077 Image available Camissonia boothii subsp. desertorum Norman C. Cooper 1949-4-8 3298 Riverside Desert Center. Comment
  RSA357766  Camissonia californica Robert F. Thorne, M. Z. Thorne 1973-3-30 42681 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  UCR258869  Camissonia californica T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7908 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  RSA454782  Camissonia chamaenerioides M. B. Dunkle 1937-3-25 4920 Riverside Colorado Desert. Shaver s Well Comment
  UCR148323  Camissonia claviformis 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
  UCR241524  Camissonia claviformis A. C. Sanders, Ann Howald 2013-2-27 40547 Riverside Sonoran (Colorado) Desert, Coachella Valley, north of Ave. 70 near Cleveland St., 10 km SE (108 deg. ) of Mecca -40 Comment
  RSA449187  Camissonia claviformis subsp. aurantiaca N. C. Cooper 1949-3-15 3169 Riverside North of Palm Springs. 122 Comment
  UC20422  Camissonia confusa H. M. Hall 1901-6-24 Riverside Fullers Mill San Jacinto Mountains (canyons of w side of mts.) 1767 Comment
  UCR104923  Camissonia confusa A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20659 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  UCR133321  Camissonia hirtella 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
  UCR58487  Camissonia hirtella Jeri Hirshberg 1989-4-19 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., south of town of Murrieta, west of Mesa de Burro 610 Comment
  UCR90367  Camissonia hirtella Scott D. White 1995-6-30 3421 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  UCR20441  Camissonia ignota E. W. Lathrop 1966-3-20 6060 Riverside Santa Ana Mtns., Santa Rosa Plateau, West of Murrieta, 1 mi north of Santa Rosa Ranch 549 Comment
  POM9607  Camissonia ignota I. M. Johnston 1920-5-8 s.n. Riverside Jurupa Mts, extreme west end. between Riverside and Ontario. 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
  UCR116814  Camissonia pallida A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23944 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  POM37762  Camissonia pallida subsp. hallii Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  RSA449220  Camissonia pallida subsp. pallida H. de Forest 1933-4-16 17594 Riverside Chino Canyon, Colorado Desert, E of Coachella Valley Comment
  RSA75431  Camissonia pallida subsp. pallida F. W. Peirson 1919-4-13 4699 Riverside Tahquitz Canyon, near Palm Springs. Comment
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Sep 18 2011
  HSC86987  Camissonia strigulosa David Charlton 1988-5-21 1966 Riverside Thomas Mtn. Rd., W of Garner Valley and S of Lake Hemet on Hwy. 74 1677 Comment
  RSA673732  Camissonia strigulosa Scott D. White, Bill La Haye 2000-5-27 7957 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  SDSU3405  Camissonia strigulosa H. Wedberg 1958-3-30 197 Riverside On Cajalco Road, 0.2 mile west of Cajalco Fire Control Station, and 0.1 mile west of Mockingbird Canyon Road. Comment
  UCR251702  Camissonia strigulosa T. B. Salvato 2014-4-9 7838 Riverside Perris-Aguanga Basin, Menifee, c. 4 mi southeast of Canyon Lake, northeast corner of Bundy Canyon Road and Sunset Avenue 534 Comment
  UC454581  Camissoniopsis bistorta I. J. Condit 1910-6-24 Riverside Idyllwild San Jacinto Mts. 914 Comment
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Mar 21 2011
  UC284257  Camissoniopsis hirtella P. A. Munz 1923-6-14 7064 Riverside Glen Ivy Trail to Santiago Peak; Santa Ana Mts. 1219 Comment
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Apr 1 2013
  UC147299  Camissoniopsis ignota H. M. Hall 1897-4-3 429 Riverside Winchester Comment
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Mar 20 2011
  JEPS31743  Camissoniopsis pallida subsp. pallida S. B. Parish 1920-3-25 20022 Riverside flats at Palm Springs village Colorado Desert Comment
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Jul 13 2010
  UC1122272  Camissoniopsis pallida subsp. pallida H. S. Yates 1937-3-23 6401 Riverside 2 mi n Palm Springs; San Jacinto Quadrangle Comment
  RSA613141  Cardamine hirsuta D. L. Banks 1997-3-6 1411 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Area between a newly established firebreak on the south end of the Reservation, west of Magee Truck Trail and upper Pala Creek. 396 Comment
  RSA5246  Carex multicostata Carl B. Wolf 1932-8-5 3983 Riverside Summit of San Jacinto Peak, San Jacinto Mountains. 3308 Comment
  CLARK-A1528-4171  Castilleja affinis John C. Roos 1966-4-5 Riverside Winchester Comment
  OBI53713  Castilleja applegatei subsp. martinii David Charlton 1988-5-21 1934 Riverside Thomas Mtn Rd, from N to S. W of Garner Valley and S of Lake Hemet on hwy 74 1676 Comment
  UC1012299  Castilleja applegatei subsp. martinii F. W. Pennell and A. L. Grant 1940-4-28 25283 Riverside w slope San Jacinto Range (Route 74) 1402 Comment
  UCR139416  Castilleja exserta P. A. Munz 1922-4-28 5031 Riverside Peninsular Range, Temescal Canyon 366 Comment
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Apr 3 2011
  UCSB12636  Castilleja exserta subsp. exserta Whittington, M. 1962-3-17 Riverside southwest of U.S. Highway 71; By Alberhill brickyard; in Alberhill 91 Comment
  RSA779955  Castilleja foliolosa Duncan S. Bell, Jennifer Pilapil, Terry Higgins 2011-6-2 2629 Riverside In a side canyon off of the West Fork of Mission Creek approximately 0.5 air mile south of where the Pacific Crest Trail crosses the West Fork of Mission Creek. 944 Comment
  RSA0010901  Castilleja foliolosa E. W. Lathrop 1968-5-12 6856 Riverside 4 miles W of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive 305 Comment
  SEINET14062623  Castilleja miniata I. W. Clokey, E. G. Anderson 1935-8-21 6865 Riverside San Jacinto Mountains, Fullers [Mill] Creek. 1500 Comment
  UC26462  Castilleja miniata H. M. Hall 1897-7-22 716 Riverside San Jacinto Mts. 2438 Comment
  RSA0010916  Castilleja minor subsp. spiralis Philip A. Munz, I. M. Johnston 1924-7-29 8826 Riverside 5 miles SE of Poppet Flat, San Jacinto Mtns. 1524 Comment
  RSA614163  Caulanthus D. L. Banks 1997-2-23 1314 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  POM159839  Caulanthus cooperi E. C. Jaeger 1928-3-26 s.n. Riverside Eagle Mts, Colorado Desert. Comment
  UC494745  Caulanthus cooperi C. L. Hitchcock 1932-4-9 12223 Riverside 10 mi se White Tank (eastern Riverside County); se of White Tank Comment
  RSA159832  Caulanthus hallii E. C. Jaeger 1926-4-15 s.n. Riverside Smith Canyon. Comment
  SBBG50745  Caulanthus hallii R. S. Woglum 1941-5-17 3055 Riverside Horse Cyn, NE off Coyote Cyn Comment
  RSA501063  Caulanthus heterophyllus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3180 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  UC1583150  Caulanthus heterophyllus Steve Boyd 1986-3-1 1364 Riverside 1/4 mi s Harford Springs County Park; Gavilan Plateau, Gavilan Hills, s of Harford Springs Co Park 640 Comment
  UCR51946  Caulanthus lasiophyllus Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2172 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  RSA517101  Ceanothus crassifolius Steve Boyd, Tim S. Ross, L. Arnseth 1989-3-19 3018 Riverside Vail Lake area,1 mile W of Lake 610 Comment
  RSA569986  Ceanothus crassifolius Steve Boyd, Kyle Boyd 1993-3-28 7919 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road. 792 Comment
  RSA575065  Ceanothus crassifolius Steve Boyd 1981-3-4 810304 -P Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  RSA575076  Ceanothus crassifolius Steve Boyd 1981-3-4 810304 -Y Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  SDSU14296  Ceanothus crassifolius Robin P. Silverstein, Taxonomy of CA Plants class, M. G. Simpson, instructor 2000-4-2 7 Riverside Santa Margarita Ecological Reserve. 75 meters form Northside Field Station, and 10 meters west of fork in road. 320 Comment
  UCR270184  Ceanothus crassifolius A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42411 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  UCR76761  Ceanothus crassifolius B. G. Pitzer, Stu Hemstreet 1992-5-21 1949 Riverside Santa Ana Mtns., Cleveland National Forest, State Hwy 74, 1 mi. uphill of the 2,000 ft. marker & to the left 0.1 mi. on an old paved road 762 Comment
  UCR90987  Ceanothus crassifolius Scott D. White 1996-3-31 3873 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  UCR91675  Ceanothus crassifolius Steve Boyd, D. L. Banks 1995-4-5 8417 Riverside Agua Tibia Mountains, Palomar Range, Agua Tibia Wilderness Area; northern flank of Agua Tibia Mtn. at the E edge of Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary 610 Comment
  CAS-BOT-BC49183  Ceanothus cuneatus Carl B. Wolf 1941-8-12 11144 Riverside San Jacinto Moutains, 4 mi. so. of Idylwild on road to Tauquitz Lodge 1371 Comment
  UCR262244  Ceanothus leucodermis T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3722 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  UCR5995  Ceanothus leucodermis David M. Peterson 1966-3-9 660309- 13 Riverside Santa Ana Mtns., 15-16 miles east of San Juan Capistrano on the road to Elsinore '2000 ft. 366 Comment
  CAS-BOT-BC83759  Ceanothus ophiochilus D. O. Burge 2007-3-20 798 a Riverside Agua Tibia Wilderness Area, Cleveland National Forest 660 Comment
  RSA569996  Ceanothus ophiochilus Steve Boyd, Kyle Boyd 1993-3-28 7911 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
  RSA606753  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27413 Riverside In on N side of Agua Tibia Range, 2-3 km S of Agua Tibia Wilderness boundary gate on trail extending ca. 100 m S of enclosed reservoir on ridge SE of Woodchuck Resort at end of Woodchuck Rd., S of Hwy 79. 1000 Comment
  SEINET10951518  Ceanothus ophiochilus Steve Boyd, Timothy S. Ross; Laurel Arnseth 1989-1 Riverside Comment
  UCR19669  Ceanothus tomentosus E. B. Eldred 1977-5-23 s.n. Riverside Peninsular Range, Turnout on I-15, 5 miles south of Temecula 305 Comment
  UCR130875  Cenchrus spinifex A. C. Sanders, K. C. Rose 1999-5-28 22789 Riverside Coachella Valley, between La Quinta and Indio, along Jefferson St. between Ave 54 and I-10 18 Comment
  SDSU12917  Centaurea melitensis Jutta Buschbom 1991-6-1 13 Riverside SE - slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500 m (15 min) NW from the field station Santa Margarita Ecological Reserve, Temecula. 375 Comment
  RSA625694  Centaurea solstitialis J. A. Miller 1993-10-14 s.n. Riverside March Air Force Base, Moreno Valley, near hwy 215 Comment
  CLARK-A1528-5249  Centaurium venustum John C. Roos 1948-4-24 3797 Riverside Whitewater Comment
  RSA771880  Centaurium venustum Steve Boyd 2010-5-28 12286 Riverside Elsinore Peak, just south of Main Divide Road, eastern base of knoll south of peak 1021 Comment
  UCR178140  Centaurium venustum Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 648 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  UCR21173  Centaurium venustum Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  SD51948  Cerastium fontanum Reid Moran 1962-7-7 9856 Riverside By Strawberry Creek, 2.0 muiles southwest of Idyllwild. 1550 Comment
  RSA198954  Cerastium glomeratum R. F. Thorne, O. Clark, S. Carlquist 1968-4-18 37428 Riverside Santa Rose Plateau: Mesa de Colorado, Rancho California. 671 Comment
  UC596757  Cercidium floridum subsp. floridum R. J. S. Feb. 1904 305 Riverside Coachella Desert Comment
  CSUSB1862  Cercocarpus betuloides A. H. Wheeler 1974-7-22 Riverside San Jacinto Mountains Palms To Pines Highway- Juniper Flats 1219 Comment
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Dec 4 2011
  LA47736  Cercocarpus betuloides Elizabeth McClintock; 1936-7-19 sn Riverside San Jacinto Mountains, Idyllwild Comment
  SEINET5543500  Cercocarpus betuloides R. H. Whittaker, W. A. Niering 1961-1 s.n. Riverside San Jacinto Mountians. 1524 Comment
  UCR87945  Cercocarpus betuloides A. C. Sanders, N. Ferguson 1994-6-2 14625 Riverside San Jacinto Mtns, Bautista Canyon, c. 1 mile above the forest service boundary 850 Comment
  CAS-BOT-BC135455  Cercocarpus betuloides var. betuloides C. B. Wolf 1931-5-11 1950 Riverside Rocky ridges near Pipe Creek, above Hemet Valley - San Jacinto Mts. 1676 Comment
  RSA673499  Cercocarpus minutiflorus Scott D. White, Sandra Leatherman 2000-4-19 7665 Riverside Santa Ana Mountains/Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east-and north-facing slopes. 640 Comment
  RSA131712  Chaenactis artemisiifolia E. K. Balls 1958-6-27 23294 Riverside Yellow Pine Forest. Santa Ana Mts. , between Santiago Peak and Indian Truck Trail along Main Divide. 1311 Comment
  RSA674925  Chaenactis artemisiifolia Scott D. White, P. De Vries 2000-4-25 7727 Riverside Temescal Valley: Corona area, eastern foothills of Santa Ana Mountains just above citrus groves. 412 Comment
  JOTR36437  Chaenactis carphoclinia var. carphoclinia La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3408 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  JOTR37424  Chaenactis carphoclinia var. carphoclinia La Doux, Tasha 2016-3-9 3659 Riverside Above Hayfield Dry Lake - Stop 2 516 Comment
  POM351669  Chaenactis carphoclinia var. carphoclinia Geo Cantwell, B. C. Templeton 1935-4-8 s.n. Riverside McCoy Springs, McCoy Mnts. [NW of Blythe] Comment
  RSA124329  Chaenactis carphoclinia var. carphoclinia Percy C. Everett, E. K. Balls 1958-4-29 23012 Riverside Hwy 60/70, Indio to Blythe, 6.5 miles E from Jct with Hwy 9 244 Comment
  UCR72459  Chaenactis carphoclinia var. carphoclinia Theo Glenn 1991-5-15 91- 42 Riverside Sonoran (Colorado) Desert, Little Maria Mountains, NW of Blythe 351 Comment
  JOTR30640  Chaenactis fremontii La Doux, Tasha, Erin Babich 2008-4-21 1802 Riverside Joshua Tree National Park. Stop 3-Little San Bernardino Mountains, S of Covington Flat 1290 Comment
  JOTR30959  Chaenactis fremontii La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1934 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  SBBG54452  Chaenactis fremontii L. R. Abrams 1926-3-25 11045 Riverside between Banning and Cabazon Comment
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Mar 13 2011
  UC1930183  Chaenactis fremontii Steve Boyd, Amber Maurice, Pesach Lubinsky, L. Lubinsky 2003-4-17 10462 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UCR8406  Chaenactis fremontii Sally Bell 1964-4-18 s.n. Riverside Sonoran (Colorado) Desert; Coachella Valley, Desert Hot Springs, east side of Indian Canyon Dr., c. 3 miles from Twentynine Palms Highway [Hwy 62] junction 366 Comment
  UCR87644  Chaenactis fremontii A. C. Sanders 1994-5-29 14552 Riverside San Bernardino Mtns, Morongo Indian Reservation, low pass between Millard Canyon and Potrero Creek 793 Comment
  UCR187501  Chaenactis glabriuscula Theresa Johnson 2006-5-11 097 Riverside Peninsular Range;, Santa Rosa Plateau, Los Alamos Canyon above confluence with San Mateo Canyon 427 Comment
  UCR48369  Chaenactis glabriuscula Steve Boyd 1986-5-1 1820 Riverside S slopes of Bachelor Mtn, east end of Lake Skinner Comment
  UC917865  Chaenactis glabriuscula var. glabriuscula Frank W. Gould 1943-4-17 2107 Riverside 12 mi s of Corona Comment
  UCR112484  Chaenactis glabriuscula var. glabriuscula A. C. Sanders, T. B. Salvato 2000-5-30 23439 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
  CAS-BOT-BC277553  Chaenactis glabriuscula var. lanosa L. R. Abrams 1926-3-25 11055 Riverside Between Banning and Cabazon Comment
  RSA781397  Chaenactis stevioides Duncan S. Bell 2010-5-1 913 Riverside Arica Mountains: northwest of mountain range, approximately 6.5 air miles southwest of the ghost town of Rice, and approximately 5 air miles northwest of Priests Well. 339 Comment
  UC667274  Chaenactis stevioides Annie M. Alexander and Louise Kellogg 1941-5-11 2149 Riverside 1.5 mi n of Cottonwood Spring; Colorado Desert, Eagle Mountains, Cottonwood Spring 975 Comment
  UCR214551  Chaenactis stevioides A. C. Sanders 2010-3-15 37416 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
  JEPS48829  Chamaesyce Marjorie D. Clary 1932-5-26 943 Riverside Hexie Mountain, Pleasant Valley Comment
  RSA339341  Chamaesyce R. F. Thorne, W. A. Tilforth 1980-5-28 54175 Riverside San Bernardino Mountains, dry, Colorado Desert slopes, S-facing and W-facing, N-S rocky ridge at E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 miles E of Whitewater Post Office. Comment
  VVC2108  Chamaesyce abramsiana Tim Thomas 2012-9-2 5876 Riverside Colorado Desert, WNW of Blythe, 8.4 miles N of I-10, just west of Black Ck Rd. 171 Comment
  RSA602099  Chamaesyce albomarginata L. C. Wheeler 1955-6-16 7161 Riverside 1 mile W of Santa Rosa Summit, on Palm Pines Highway. Comment
  RSA55098  Chamaesyce micromera Lee Harris 1928-6-28 113 Riverside Indio Comment
  UCR260958  Chamaesyce ocellata subsp. arenicola Duncan S. Bell 2013-1-30 4444 Riverside Sonoran (Colorado) Desert, the Mecca Hills, an unnamed canyon between Thermal Canyon and Painted Canyon, just to the west of Mecca Hills Peak 1642 138 Comment
  JOTR28794  Chamaesyce polycarpa La Doux, Tasha 2005-3-30 1063 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  POM2793  Chamaesyce polycarpa P. A. Munz 1918-4-28 2150 Riverside Elsinore. Comment
  SBBG4028  Chamaesyce polycarpa H. and M. Dearing 1941-11-23 4774 Riverside near Cathedral City Comment
  SBBG4029  Chamaesyce polycarpa H. and M. Dearing 1930-4-14 953 Riverside near Palm Springs Comment
  SBBG45531  Chamaesyce polycarpa Leota Davidson 1965-5-14 153 Riverside Joshua Tree Nat Monument Comment
  RSA599303  Chamaesyce setiloba L. C. Wheeler 1954-9-25 7096 Riverside South end of Mule Mountains, near Ripley. Comment
  UC421694  Cheilanthes clevelandii John Thomas Howell 1927-8-2 2907 Riverside near Banning 670 Comment
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Mar 13 2011
  RSA0033579  Cheilanthes covillei Robert F. Thorne 1966-10-15 41810 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway Comment
  RSA180256  Cheilanthes newberryi E. W. Lathrop 1965-4-26 5695 Riverside 4 miles southwest of Murrieta. Comment
  RSA701401  Cheilanthes newberryi Steve Boyd, Aydee Virgen 2004-4-13 10895 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UCR22130  Cheilanthes newberryi Steve Boyd 1980-5-3 191 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  UCR281108  Cheilanthes newberryi Mitch Provance, Jeremiah George 2017-3-21 317- 14 Riverside Temescal Valley, N of Hwy 15, and adjacent to S side of Temescal Canyon Rd., above Horsethief Wash (E branch impeded by development) 370 Comment
  UCR90970  Cheilanthes newberryi Scott D. White 1996-3-16 3833 Riverside Perris Basin, Lakeview Mtns, north of Winchester, at 'Maze Stone' Picnic Site 610 Comment
  POM312123  Cheilanthes parryi Norman C. Cooper 1944-4-8 1084 Riverside San Bernardino National Forest, San Jacinto Mountains: Andreas Canyon (near Palm Springs) 457 Comment
  RSA709882  Cheilanthes parryi Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4627 Riverside Along Palen Pass Road, near Packard Well, S end of Granite Mountains. 502 Comment
  UCR118176  Chenopodium berlandieri Mitch Provance 1998-6-11 648 Riverside Jurupa Mountains, Pediment of the NW Jurupa Mtns., area SE of the eastern extreme of Philadelphia St. 267 Comment
  UCR201431  Chenopodium californicum Scott D. White, Justin M. Wood 2008-6-17 12170 Riverside San Jacinto Mountains, Garner Valley, USFS Kenworthy Station 1402 Comment
  CLARK-A1528-5012  Chenopodium leptophyllum John C. Roos 1946-8-27 2913 Riverside Santa Rosa Mountains 2438 Comment
  UCR21961  Chenopodium murale Steve Boyd 1980-5-5 200 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  RSA549246  Chenopodium rubrum A. C. Sanders, O. F. Clarke 1991-10-5 11741 Riverside Rubidoux, Santa Ana River Regional Park, ca. 0.3 mile SE of Louis Rubidoux Nature Center. Comment
  CSUSB734  Chilopsis linearis Margaret-Lee Dean 1965-4-15 S. N. Riverside Box Canyon, 8 miles east of Mecca on Highway 195. Desert wash. 60 Comment
  SD229109  Chilopsis linearis Dick Schwenkmeyer 2012-10-16 849 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 505 Comment
  CAS-BOT-BC231789  Chilopsis linearis Nancy Ryan Zabriskie; Walter Zabriskie 1970-3-28 275 Riverside In dry stream bed of North Canyon just above juncture with Andreas Canyon; east slope San Jacinto Mountains 350 Comment
  JOTR32319  Chilopsis linearis subsp. arcuata Herskovits, Tasya 2011-5-25 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains; Large sandy, open wash flowing southeast to Cottonwood Canyon; Near convergence of both drainage systems and Pinto Basin road (Stop 2) Comment
  UC1280918  Chilopsis linearis subsp. arcuata H. E. McMinn 1935-6-27 4075 Riverside Palm Springs Comment
  UCR59839  Chloracantha spinosa George K. Helmkamp 1989-9-16 s.n. Riverside Sonoran (Colorado) Desert, W of Blythe, c. 0.5 mi. south of Hwy I-10 ['I-8'] , at Seeley Ave. [=16th Ave.] and Calif. Hwy 78 79 Comment
  SDSU13012  Chloris virgata Michael G. Simpson 1999-10-27 2053 Riverside Santa Margarita Ecological Reserve, San Diego State University. Along path from river to Southside facilities. 152 Comment
  POM364942  Chloris virgata S. B. Parish 1912-10-24 8227 Riverside Thermal, Salton Basin. -40 Comment
  UCR178531  Chorizanthe brevicornu R. G. Swinney 1967-5-26 145 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 381 Comment
  JEPS57786  Chorizanthe brevicornu var. brevicornu W. L. Jepson 1927-4-13 11677 Riverside Painted Canyon, NE of Mecca, Colorado Desert Comment
  SBBG81486  Chorizanthe brevicornu var. brevicornu S. A. Junak 1983-3-23 1623 Riverside Jefferson Rd, across from entrance to Cahuilla Lake County Park, S of Indio Comment
  UC1552040  Chorizanthe brevicornu var. brevicornu David Charlton 1988-2-19 1171 Riverside Box Cyn on road between Cottonwood Wash and Mecca (n of Mecca Hills, near Mecca); Orocopia Mountains, n of Mecca Hills 457 Comment
  SBBG1404  Chorizanthe corrugata H. and M. Dearing 1940-1-1 4071 Riverside below Painted Cyn near Mecca Comment
  UCR251902  Chorizanthe corrugata Jim Andre 2013-3-27 24826 Riverside NE Colorado Desert, Riverside Mountains, Agnes Wilson Rd. west of crossing of Colorado River, 0.8 mi east of Hwy 95, 12.4 mi south of Vidal Junction 115 Comment
  UC1608217  Chorizanthe fimbriata var. fimbriata Steve Boyd, Tim Ross 1992-6-10 7625 Riverside San Mateo Canyon about Potrero Escondido (Southern Santa Ana Mts, San Mateo Canyon Wilderness, due w of jct Tenaja Rd...at confluence Los Alamos Crk w/main trunk San Mateo Crk); Southern Santa Ana Mountains, San Mateo Canyon Wilderness 670 Comment
  UCR35078  Chorizanthe leptoceras L. B. Ziegler 1967-6-14 158 Riverside San Jacinto Mtns., Bautista Creek Canyon 732 Comment
  CAS-BOT-BC191344  Chorizanthe leptotheca James L. Reveal 1988-5-23 6864 Riverside along California Hwy 75 at milepost 48, 3 miles E of Fairview Ave. in Valle Vista, N of the highway and S of the San Jacinto River 609 Comment
  OBI82256  Chorizanthe leptotheca Lee A. Ripma 2008-6-25 130 Riverside Peninsular Ranges: San Jacinto Mts; Alvin Meadows (Blackburn Canyon) 7.5' Q. 1467 Comment
  RSA572973  Chorizanthe leptotheca Steve Boyd 1986-4-19 1706 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road. Comment
  UCR205450  Chorizanthe leptotheca Diane Menuz 2008-6-19 465 Riverside Peninsular Ranges: San Jacinto Mts, Garner Valley; c 0.3 mi east of Hwy 74, north of Morris Ranch Rd 1374 Comment
  POM97111  Chorizanthe leptotheca P. A. Munz 1925-5-20 9843 Riverside Aguanga Valley. Comment
  CAS-BOT-BC252782  Chorizanthe parryi var. parryi Marcus E. Jones 1903-5-11 s.n. Riverside Banning 701 Comment
  RSA785185  Chorizanthe parryi var. parryi D. E. Bramlet 1992-4-23 2238 Riverside Double Butte Park, in bowl area between the Double Buttes, c. 610 m north of the edge of the old landfill, and 107 m east of the existing (eastern) access road 500 Comment
  UCR267171  Chorizanthe parryi var. parryi D. E. Bramlet 1998-6-10 2635 Riverside North Domenigoni Hills, c. 3-8 km ESE of Winchester 625 Comment
  UCR48478  Chorizanthe polygonoides var. longispina Steve Boyd 1986-4-2 1587 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  JOTR36451  Chorizanthe rigida La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3421 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  RSA392740  Chorizanthe rigida N. C. Cooper 1949-4-8 3305 Riverside Desert Center. 610 Comment
  RSA555333  Chorizanthe rigida A. C. Sanders, E. J. Lawlor 1992-4-4 12088 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  RSA676042  Chorizanthe rigida Scott D. White 2001-4-17 8342 Riverside Sonoran Desert: Shaver's Valley. North of the I-10 Freeway, ca. 16 miles east of Indio jtn. I-10 / SR 111. Bajada, washes, and mtn. foothills near powerline access roads at unnamed freeway exit accessing pump station. 457 Comment
  UC847775  Chrysolepis sempervirens P. A. Munz 1922-7-6 6018 Riverside Tahquitz Valley; San Jacinto Mts. 2225 Comment
  UCR50298  Chrysopsis villosa B. G. Pitzer, J. L. Hall, H. P. Hall 1987-5-23 0567 Riverside San Bernardino Mtns., Whitewater Canyon, from N edge of Fish Hatchery to c. 0.5 mi north of it; c. 5.5 mi north of I-10 on Whitewater Cyn Rd. 732 Comment
  UCR241511  Chylismia arenaria A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40641 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  JEPS23428  Chylismia brevipes subsp. brevipes W. L. Jepson 1928-4-25 12609 Riverside n Mecca; Cottonwood Spr. 731 Comment
  JOTR37496  Chylismia brevipes subsp. brevipes Hodges, Stephen R., L. Ashfield 2016-1-20 625 Riverside Joshua Tree National Park. Eagle Mountains, Black Eagle Mine road, northern edge of mountains near eastern park boundary (Stop 1). Comment
  UCD103880  Chylismia claviformis R. L. Smith 1948-3-24 s.n. Riverside Foot of Andreas Canyon. Comment
  SBBG23065  Chylismia claviformis subsp. aurantiaca D. Myrick 1965-3-4 1079 Riverside Palms to Pines Hwy 74 609 Comment
  SEINET3102065  Cirsium occidentale var. californicum Marc A. Baker, Michelle Cloud-Hughes 2011-6-10 17365 Riverside Along Morris Ranch Road, 400m north of Kenworthy Station, 4km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain. 1420 Comment
  RSA0070885  Cirsium scariosum Robert Gustafson 1983-4-18 2509 Riverside Clinton Keith Road, about 5 miles from its junction with Highway 15, eastern slopes of Santa Ana Mountains, Santa Rosa Plateau. 549 Comment
  UCR150026  Cirsium vulgare Scott D. White, Angelia Carey 2004-5-7 10337 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  UCR202602  Cirsium vulgare Scott D. White, Justin M. Wood 2008-7-9 12410 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  CAS-BOT-BC438854  Cistanthe monandra H. M. Hall 1904-5-16 4944 Riverside Vicinity of Riverside. Fairmount Park. 243 Comment
  RSA682845  Cistanthe monandra Scott D. White 2003-3-23 8837 Riverside Desert slope; Hwy 74 near Carrizo Creek crossing. 610 Comment
  UCR87910  Clarkia dudleyana A. C. Sanders 1994-5-29 14568 Riverside San Bernardino Mtns, Millard Canyon, at stream crossing just below site of Millard Station on Forest Service Road 2S05 1100 Comment
  CAS-BOT-BC171996  Clarkia epilobioides John Thomas Howell 1931-5-30 6591 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  UCR139193  Clarkia epilobioides Virginia Moran 2003-4-9 s.n. Riverside Peninsular Range, Warm Springs Preserve (managed by Center for Natural Lands Management), approximately 8 km north of Temecula and 3 km northeast of the [west?] end of Hunter Road 427 Comment
  RSA0060021  Clarkia epilobioides Robert F. Thorne, Walter Wisura, D. Mitchener 1982-5-24 55195 Riverside Santa Ana Mts., Cleveland National Forest: Along Ortega Hwy. 732 Comment
  SEINET7072848  Clarkia purpurea A. G. Vestal 1963-5-20 s.n. Riverside Long Valley Road at Tececula and at the junction with Route 395 (115). Coordinate datum: WGS84/NAD83. (33? deg. 30' 3" North Latitude, -117? deg. 9' 3" West Longitude, Coordinate datum: NAD27.). Comment
  JEPS1949 Image available Clarkia purpurea subsp. quadrivulnera H. M. Hall 1905-6-3 6240 Riverside vicinity Riverside (e base of mountain); Box Springs Mt.; Eastern base of Box Springs Mt., vicinty of Riverside 533 Comment
  UC76443  Clarkia purpurea subsp. quadrivulnera Miss M. Alice King April 1893 Riverside Menifee Comment
  CAS-BOT-BC164737  Clarkia rhomboidea H. M. Hall 1897-6-16 651 Riverside Strawberry Valley 1600 Comment
  POM15055  Clarkia rhomboidea Mary F. Spencer 1922-6-18 1367 Riverside Idyllwild, San Jacinto Mountains. Comment
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Nov 19 2011
  UC20030  Clarkia rhomboidea H. M. Hall June 1901 2264 Riverside nw side San Jacinto Mountains (at Schains) Comment
  UCR16350  Clarkia similis M. Wexler 1973-5-13 s.n. Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, 10.18 mi from Orange Co. line on State Route 74, east face of mountains 457 Comment
  RSA593976  Clarkia unguiculata D. L. Banks, Elizabeth Hedge Banks 1996-5-2 961 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, approximately 20 m inside the preserve boundary gate, 3 m E of the main road along a open field. 448 Comment
  UCR158133  Claytonia parviflora A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30083 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  SDSU13483  Claytonia parviflora subsp. parviflora Shawn Johnston, Calf. Plant Taxonomy Class 2000-4-1 16 Riverside Santa Margarita Ecological Reserve North end. Comment
  JOTR30648  Claytonia parviflora subsp. utahensis La Doux, Tasha, Erin Babich 2008-4-21 1808 Riverside Joshua Tree National Park. Stop 7- Little San Bernardino Mountains, Upper East Deception Canyon 1327 Comment
  UCR16641  Claytonia perfoliata subsp. perfoliata H. C. Sharma 1976-4-26 760426- 04 Riverside about 3 miles south of Washington Street on the side of Mockingbird Canyon 335 Comment
  SD136775  Clematis ligusticifolia Steve Boyd, T. Ross, D. Bramlet 1992-9-9 7676 Riverside San Mateo Canyon Wilderness, Upper San Mateo Canyon, top of Tenaja Falls 671 Comment
  RSA440806  Cleome isomeris C. Cunningham 1941-2-9 s.n. Riverside 29 Palms Junction. 366 Comment
  RSA0117465  Collinsia concolor LeRoy Gross, Evan Meyer 2013-5-21 6110 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
  SD244244  Collinsia concolor A. C. Sanders, Timothy W. Chumley 2013-4-2 40744 Riverside Peninsular Range: Temescal Canyon between Horsethief Canyon Road and Hostettler Road, near I-5 Freeway, southeast of Corona (Lee) Lake (Aberhill 7.5') 377 Comment
  UCR104917  Collinsia concolor A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20667 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  UCR193125  Collinsia concolor A. C. Sanders, Tim Thomas 2008-6-20 35534 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  UCR9251  Collinsia concolor D. H. Wilken 1965-6-29 318 Riverside San Jacinto Mtns, One mile north of Poppet Flat along County Route 1 1220 Comment
  CLARK-A1045-340  Collinsia heterophylla George K. Helmkamp 1978-5-2 Riverside Bautista Canyon burn; Hemet 15'Q Comment
  HSC28498  Colubrina californica Richard Spjut 1973-4-10 3296 Riverside Colorado Desert, N face of Chuckawalla Mtns., 3-4 mi. S of Desert Center 305 Comment
  CAS-BOT-BC293686  Condea emoryi Mona Bourell 1987-4-14 3268 Riverside BLM California Conservation Area, Hwy 195, spur off of Box Canyon. Near Mecca 150 Comment
  SBBG29244  Condea emoryi K. K. Muller 1967-9-14 1418 Riverside 5 mi E of Indio Comment
  UC520002  Conium maculatum Joseph Andorfer Ewan 1932-7-9 7493 Riverside 1 mi n of Rincon (in Chico Creek at Santa Ana River); Santa Ana River, Chico Creek Comment
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Nov 6 2011
  UCR252808  Convolvulus simulans Ana Hernandez, Karyn L. Drennen 2014-5-9 052 Riverside Perris Aguanga Basin, Santa Ana Mountains, foothills. Sycamore Creek Conservation Easement. 40 meters east of Campbell Ranch Road, 90 meters north of intersection with Indian Truck Trail 365 Comment
  RSA554286  Conyza bonariensis Scott D. White 1992-2-25 92 -10 Riverside Santa Rosa Plateau, between Sandia and De Luz Creeks, ca. 1.5 (air) mi. W of Sandia Canyon; 7 miles SW of Murrieta. 305 Comment
  RSA557358  Conyza bonariensis Julie Greene 1993-6-11 1355 Riverside [Unspecified] 440 Comment
  RSA588187  Conyza bonariensis D. L. Banks, Victor Steinmann 1995-7-10 0752 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak. In major drainage that flows off NW flank of Wildhorse Peak. 610 Comment
  JEPS64319  Corallorhiza maculata Carl V. Meyer 1928-6-14 450 Riverside Fern Valley San Jacinto Mts. 1828 Comment
  JEPS6759  Cordylanthus nevinii W. L. Jepson 1903-8-9 2323 Riverside near summit (forks of trail); San Jacinto Peak Comment
  UCR227806  Cordylanthus rigidus Duncan S. Bell, Ryan Parker 2010-6-1 1231 Riverside San Jacinto Mountains, San Bernardino National Forest, Rouse Ridge, c. 2.4 air miles southeast of the junction of Hwy 74 and Forest Service Road 5S15 992 Comment
  SFV20151  Cordylanthus rigidus subsp. setigerus J. N. Hogue, S. G. Hogue, J. M. Wrublik 2005-9-4 261 .5 Riverside Santa Rosa Mountains Garnet Queen Creek at Santa Rosa Mountain Truck Trail (=USFS Road 7S02). 4.8 miles from Highway 74. 1865 Comment
  POM356008  Coreopsis californica M. B. Dunkle 1935-3-30 4420 Riverside Pinto Basin, Colorado Desert. 915 Comment
  LA99063  Corethrogyne filaginifolia E. R. Hobbs; G. Malanson, Walt Westman 1978-9-30 78- 132 Riverside Cortrite Avenue, Homeland Comment
  POM49860  Corethrogyne filaginifolia P. A. Munz, I. M. Johnston 1924-7-29 8858 Riverside 5 miles SE of Poppet Flat, San Jacinto Mtns. 1372 Comment
  RSA0099991  Corethrogyne filaginifolia Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8578 Riverside Santa Rosa Mountains; on a small ridge/summit area just to the south of the summit of Santa Rosa Mountain. 2438 Comment
  RSA660640  Corethrogyne filaginifolia Starr Streight 1982-4-17 5 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  UC218222  Cornus glabrata P. A. Munz 1922-6-24 5806 Riverside Hemet Valley, Pipe Creek San Jacinto Mts., Hemet Valley, Pipe Creek 1524 Comment
  UC21516  Cornus nuttallii H. M. Hall June, 1901 2245 Riverside in canyons of w. side San Jacinto Mts. (Dark Canyon); , Dark Canyon 1828 Comment
  POM13094  Coryphantha alversonii P. A. Munz 1922-4-12 5014 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. Colorado Desert. 457 Comment
  CAS-BOT-BC291360  Cotula coronopifolia A. J. McC. 1892-1-1 s.n. Riverside Elsinore Comment
  RSA0121172  Crassula connata Duncan S. Bell, LeRoy Gross 2016-3-30 9178 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.25 air miles southeast of the summit of Martinez Mountain. 518 Comment
  UCR214567  Crassula connata A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37865 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.8 mi. north (09 deg. ) of intersection of I-15 and Lake St. 482 Comment
  UCR97897  Crassula connata A. C. Sanders 1997-3-1 19706 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  RSA653675  Cressa truxillensis A. C. Sanders, K. C. Rose 1999-6-18 22820 Riverside Domenigoni Valley: upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, S of Winchester. 433 Comment
  UCR182526  Cressa truxillensis Mitch Provance 2005-5-17 6573 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  JOTR37486  Crossosoma bigelovii Hodges, Stephen R. 2016-3-19 615 Riverside Joshua Tree National Park. Coxcomb Mountains, ascending north up Hummingbird wash towards the Inner Basin Comment
  RSA397716  Crossosoma bigelovii M. B. Dunkle 1937-3-25 4949 Riverside Aqueduct Rd. Colorado Desert Comment
Read comments
Dec 18 2011
  SD232668  Crossosoma bigelovii A. C. Sanders, K. Rose 1995-4-5 16349 Riverside San Bernardino Mtns. / Coachella Valley: alluvial slopes and foothills S of Mission Creek and E of Hwy 62. 519 Comment
  RSA314443  Croton californicus R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55430 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  SBBG92711  Croton californicus J. C. Dice, V. Moran 1987-11-28 760 Riverside Temecula Gorge, on N bank of Santa Margarita River at aqueduct crossing 250 Comment
  UC1329962  Croton californicus James E. Cole 1941-4-13 561 Riverside 0.5 mi n Meek's Cabin; Joshua Tree National Monument, Pinto Pass Comment
  UCR128255  Croton californicus A. C. Sanders, Kelly Volansky 2003-10-16 27345 Riverside Moreno Valley, lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  UCR131532  Croton californicus Jennie Phui 1998-5-30 021 Riverside San Bernardino Mtns./San Gorgonio Pass, Morongo Indian Reservation, mouth of Lion Canyon, 0.5-2 miles up Lion Canyon road north of I-10 Fwy 549 Comment
  SEINET9459115  Croton californicus I. W. Clokey 1935-4-16 6726 Riverside East of Mecca. 61 Comment
  HSC92615  Croton setiger J. J. Jimenez-Osornio 1986-11-22 14 Riverside In parking lot at UCR 301 Comment
  CAS-BOT-BC202497  Croton wigginsii Winfield 1975-4-27 2444 Riverside Snow Ck Rd ~3 mi from Hiway 111 Comment
  UCR93829  Crypsis schoenoides G. R. Ballmer, K. T. Stockwell 1995-6-8 s.n. Riverside Peninsular Range, Warm Springs Creek, Budweiser Ranch, 0.25-1 mi upstream of Los Alamos Road crossing 457 Comment
  RSA522096  Crypsis schoenoides Steve Boyd, Orlando Mistretta 1989-7-18 3764 Riverside Vail Lake area, confluence of Kolb Creek with lake. 426 Comment
  RSA0021553  Cryptantha angustifolia Duncan S. Bell 2012-3-4 3137 Riverside Arica Mountains; along old railway line about 4.5 air miles south of the ghost town of Rice. 217 Comment
  RSA48332  Cryptantha angustifolia E. K. Balls 1949-4-4 12968 Riverside between Durmid and Salton on Highway 111, Colorado Desert. 0 Comment
  RSA799816  Cryptantha angustifolia D. M. Ray 2011-3-5 14 Riverside Sonoran Desert: Chuckwalla Valley along Kaiser Road. 198 Comment
  RSA799881  Cryptantha angustifolia D. M. Ray 2011-3-5 8 Riverside Sonoran Desert: Chuckwalla Valley along Kaiser Road. 198 Comment
  SBBG81513  Cryptantha angustifolia S. A. Junak 1983-3-23 1616 a Riverside Jefferson Rd, across from entrance to Cahuilla Lake County Park, S of Indio Comment
  SBBG97219  Cryptantha angustifolia W. L. Halvorson 1977-3-8 77 -83 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  UC180099  Cryptantha angustifolia Jos. Burtt Davy 1902-3-25 7949 Riverside Indio Comment
  UCR90162  Cryptantha angustifolia R. W. Scora 1966-4-1 3023 Riverside Sonoran (Colorado) Desert, Coachella Valley, 3-4 km east of Thousand Palms on Ramon Road; near Hidden Spring Oasis 60 Comment
  POM99146  Cryptantha angustifolia Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring, Chuckwalla Mountains, Colorado Desert. Comment
  POM14241  Cryptantha barbigera P. A. Munz, D. D. Keck 1922-4-9 4757 Riverside Shavers Well, near Mecca. 76 Comment
  POM3857  Cryptantha barbigera I. M. Johnston 1917-4-4 1053 Riverside Palm Canyon, Colorado Desert. 366 Comment
  POM6630  Cryptantha barbigera P. A. Munz, L. T. Street 1919-3-27 2350 Riverside Salton Sea Comment
  RSA784723  Cryptantha barbigera Duncan S. Bell 2012-3-18 3210 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  UCR228427  Cryptantha barbigera var. barbigera Dave Silverman 2010-3-30 7883 Riverside Sonoran (Colorado) Desert, southern McCoy Mtns, east bajada flank, 800 m west of Black Creek Rd, 4.5 km north of I-10, and 8 km east of McCoy Peak 155 Comment
  UCR228577  Cryptantha barbigera var. barbigera Dave Silverman, A. C. Sanders, Jeanette Duffels, Richard Dwerlkotte, Tammie Beyerl 2010-3-23 8060 Riverside Sonoran (Colorado) Desert, southwest flank of Palen Mtns bajada, along Palen Dunes drive, 4.6 km N of I-10, 9 km ESE of Sidewinder Well 136 Comment
  UCR167235  Cryptantha barbigera var. fergusoniae 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
  UCR213611  Cryptantha corollata A. C. Sanders, Matthew Malle 2010-4-23 38003 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR233699  Cryptantha costata Duncan S. Bell 2010-5-1 909 Riverside Sonoran (Colorado) Desert, Arica Mountains, NW of the range, c. 7.2 air miles west of Rice, c. 6 air miles NW of Priests Well 312 Comment
  UCR116608  Cryptantha decipiens A. C. Sanders 2001-4-8 23977 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic Ave., north of flood control ditch 348 Comment
  POM212930  Cryptantha holoptera F. W. Peirson 1935-4-17 11475 Riverside 30 miles north of Blythe. Comment
  UCR72244  Cryptantha holoptera Theo Glenn 1991-5-30 91- 113 Riverside Sonoran (Colorado) Desert, Mule Mtns, 0.2 mi. east of the Opal Hill Mine, just north of the Imperial County line and west of Palo Verde 200 Comment
  POM3894  Cryptantha intermedia F. L. Robinson, Crocker 1916-4-5 s.n. Riverside Elsinore Region Comment
  UC64407  Cryptantha intermedia H. M. Hall 1899-5-1 1161 Riverside Van Deventer's San Jacinto Mountains 1371 Comment
  UCR241639  Cryptantha intermedia T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 346 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  UCR277702  Cryptantha intermedia Mitch Provance 2013-4-16 413- 20 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  RSA517913  Cryptantha maritima Steve Boyd, T. S. Elias, Kirsten Winter 1986-2-18 1318 Riverside Mecca Hills, Colorado Desert: Painted Canyon N of Highway 195. Comment
  UC998315  Cryptantha maritima H. K. Wagnon 1944-3-12 325 Riverside Cathedral City Cathedral Canyon Comment
  UCR18174  Cryptantha maritima A. C. Sanders 1978-4-2 00202 Riverside Coachella Valley, Hidden Valley, near the mouth of Deep Canyon 183 Comment
  VVC944  Cryptantha maritima G. K. Helmkamp 1998-2-18 2716 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi S of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  SDSU21879  Cryptantha maritima var. maritima Kristen Hasenstab, M. G. Simpson 2008-4-1 47 Riverside In Fan Canyon, just inside the boundary for Joshua Tree National Park. Located in a wide desert wash. 640 Comment
  UC857178  Cryptantha micrantha Lewis S. Rose 1937-4-10 37152 Riverside La Quinta 0 Comment
  RSA125536  Cryptantha micrantha var. lepida R. Weatherby 1949-6-6 665 Riverside Santa Rosa Mountain. 1982 Comment
  UCR239198  Cryptantha micromeres Steven R. Hill, A. C. Sanders 2001-5-4 33726 Riverside Santa Rosa Plateau, Santa Rosa Plateau, eastern rim, north side of Avenida del Oro, just east of junction with Sandia Creek Drive, 2 mi west of junction of Rancho California Road and Route I-15 509 Comment
  SDSU20871  Cryptantha microstachys Lee Ripma, Jim Rocks 2013-4-24 406 Riverside Proposed Spring Valley Raneh development project. On privately owned land. 550 Comment
  UCR20701  Cryptantha microstachys A. C. Sanders 1980-5-14 1458 Riverside Peninsular Range, south side of Hwy 79, 0.8 mi SE of Radec 559 Comment
  RSA164814  Cryptantha muricata Wesley O. Griesel 1958-7-5 s.n. Riverside Dark Canyon. 1829 Comment
  UCR111553  Cryptantha muricata Mitch Provance, J. Ross 1999-4-1 1728 Riverside Jurupa Mountains, Johnson Canyon, 0.35 km south of peak 1768 457 Comment
  UCR239899  Cryptantha muricata O. F. Clarke, G. R. Ballmer 1998-4-18 s.n. Riverside Peninsular Range; San Jacinto Mtns. Foothills, Friendly Hills Ranch, Loomis property, SE of Hemet near mouth of Bautista Canyon 655 Comment
  GMDRC6563  Cryptantha muricata var. jonesii J. M. Andre 2012-6-15 30518 Riverside San Jacinto Mountains: along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest 1309 Comment
  RSA0079565  Cryptantha muricata var. jonesii J. T. Howell 1927-8-2 s.n. Riverside Near Strawberry Valley, Mt. San Jacinto. 1677 Comment
  SBBG87639  Cryptantha muricata var. muricata A. C. Sanders 1986-6-1 6537 Riverside trail toward Spitler Pk from the Turkey Crk camp to Bonita Vista rd 1706 Comment
  RSA0106708  Cryptantha nevadensis Duncan S. Bell, Amanda Turek 2010-4-9 758 Riverside East side of the Arica Mountains, near the center of the range; approx. 1.75 air mile west of Priest Well. 439 Comment
  JOTR34086  Cryptantha nevadensis var. nevadensis La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2981 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
  UC24726  Cryptantha pterocarya W. G. Wright 1889-1 1770 Riverside Colorado Desert Comment
  RSA0106759  Cryptantha pterocarya var. cycloptera Duncan S. Bell, Amanda Turek 2009-3-29 142 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; large narrow canyon to the west of Priest Mine. 420 Comment
  HSC83122  Cryptantha racemosa A. C. Sanders, D. Charlton, B. Pitzer 1986-3-3 6129 Riverside N foot of the Chuckwalla Mtns., 2.75 mi. SE of Desert Center 367 Comment
  RSA18946  Cryptantha racemosa Roxana S. Ferris, Ruth P. Rossbach 1938-5-16 9575 Riverside Mecca Hills 2 miles up Painted Canyon. Comment
  RSA502188  Cucurbita foetidissima Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3714 Riverside Vail Lake area, sandy wash draining into Wilson Creek at E end of lake. Comment
  UCR16171  Cuscuta californica var. californica I. S. Singh 1972-5-5 s.n. Riverside Perris Basin, N of Perris, W end of Nuevo Road, on the Charles Motte property. 457 Comment
  RSA0100137  Cuscuta subinclusa Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8555 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  SD248379  Cylindropuntia Mark A. Baker, Michelle Cloud-Hughes. 2012-3-25 17525 7 Riverside Pilot Mountain 7.5'Q USGS quad. Northeast end of Chuckwalla Mountains, 11 km SSE of Desert Center, 70 km west of Blythe, two-track branching south from Corn Spring Road, 1.1 km W of Corn Spring Campground, 400 south of Corn Springs Wash. 525 Comment
  UCSB24789  Cylindropuntia echinocarpa Oleson, Terry 1966-4-6 Riverside On S Palm Canyon Dr.; 1 mile south of W Palm Canyon Dr.; San Jacinto foothills 152 Comment
  RSA563930  Cynanchum louiseae A. C. Sanders 1985-9-5 5951 Riverside Riverside UCR Botanic Garden 400 Comment
  UCR113854  Cynodon dactylon Mitch Provance 2000-6-24 2062 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR92732  Cyperus difformis A. C. Sanders 1994-7-27 15165 Riverside Riverside, Santa Ana River between the San Bernardino Co. line & the Market Street Bridge 246 Comment
  UCR124136  Cyperus eragrostis Steve Boyd, T. S. Ross 1989-8-28 3792 Riverside Peninsular Range, Vail Lake area, Temecula Creek at confluence w/ the lake & adjacent sedimentary hills to the east. 488 Comment
  RSA522110  Cyperus eragrostis Steve Boyd, Timothy S. Ross 1989-8-28 3803 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  RSA802141  Cystopteris fragilis Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5008 Riverside Strawberry Creek to the southwest of Strawberry Valley, about 2.4 air miles southwest of Idyllwild. 1534 Comment
  CSUSB1203  Dalea californica Margaret-Lee Dean 1965-4-15 Riverside 1 mile west of Indian Ave. on highway 60, north of Palm Springs. 213 Comment
  CLARK-A1528-5057  Dalea emoryi Christopher L. Moser 1981-12-27 Riverside Cathedral City Comment
  JEPS8337  Dalea mollis Rimo Bacigalupi with J. F. MacBride and Ruth D. Sanderson 1952-4-1 3600 Riverside just opposite and e. of n. end of Salton Sea (along CA Hwy. 111) -60 Comment
  SD232669  Datisca glomerata Scott D. White 1996-8-15 4465 Riverside San Jacinto Mts.; Idyllwild Area: Alvin Meadows and unnamed canyon upstream. Upper margin of aea burned in July 1996. 1524 Comment
  UCSB55270  Datisca glomerata Thorne, Robert; Boyd, Steve; Lathrop, Earl 1985-7-18 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon 353 Comment
  UCR139652  Datura wrightii A. C. Sanders 2004-7-1 28374 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
  UCR135825  Daucus pusillus A. C. Sanders 2004-4-20 27520 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
  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-BC294112  Deinandra kelloggii H. M. Hall 1905-5-1 6239 Riverside Vicinity of Riverside. Gavilan Hills s.e. of Riverside 365 Comment
  HSC47890  Delphinium parishii H. Lewis, M. Lewis 1946-4-21 595 Riverside Whitewater Comment
  RSA777348  Delphinium parishii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4704 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119. 604 Comment
  OBI42535  Delphinium parryi subsp. parryi Robert F. Thorne, Walter Wisura, Earl Lathroop, and Sara Meury 1985-5-18 60668 Riverside Santa Rosa Plateau; edge of Cleveland Natl Forest 610 Comment
  CAS-BOT-BC82951  Dendromecon rigida Nancy Ryan Zabriskie; Walter Zabriskie 1970-3-23 254 Riverside Along Banning Idyllwild road, San Jacinto Mountains. 914 Comment
  CAS-BOT-BC82953  Dendromecon rigida P. A. Munz 1932-4-24 12392 Riverside Snow Creek Canyon San Jacinto Mountains. 457 Comment
  UC1287009  Dendromecon rigida C. L. Hitchcock 1966-3-15 24160 Riverside in wash 3 mi e Glen Ivy Hot Springs Comment
  UCD95191  Dendromecon rigida C. L. Hitchcock 1966-3-15 24160 Riverside 3 mi. e. of Glen Ivy Hot Springs. Comment
  UCR16439  Dendromecon rigida Frederick Neill 1977-5-28 52803 Riverside Santa Ana Mountains, 3.25 mi up Skyline Dr. from Corona Comment
  UCR174615  Dendromecon rigida Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 344 Riverside Peninsular Ranges; San Jacinto Mtns., just down Mt. Edna Road west off of Calif. Hwy 243 1146 Comment
  RSA357135  Dendromecon rigida subsp. rigida Robert F. Thorne 1969-10-25 41852 Riverside N of San Bernardino National Forest: N of Boundary on Idlywild-Banning road Comment
  RSA740653  Deschampsia danthonioides Scott D. White, Justin M. Wood 2008-6-19 12267 Riverside Meadows at Baldy Mtn. 1585 Comment
  UCR213838  Deschampsia danthonioides Scott D. White, Justin M. Wood 2009-5-21 12855 Riverside San Jacinto Mountains, Garner Valley, near abandoned duck ponds, south of Quinn Flat 1366 Comment
  UCR2316  Deschampsia elongata F. M. Reed 1928-7-15 6071 Riverside San Jacinto Mtns., Camp Emerson, Idyllwild 1524 Comment
  CAS-BOT-BC39735  Descurainia adenophora Edmund C. Jaeger 1921-6-14 s.n. Riverside MacMullen Trail, San Jacinto Mountains. 1280 Comment
  UCR264604  Descurainia pinnata Mitch Provance 2012-6-19 196- 11 Riverside San Bernardino Valley, Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave 226 Comment
  UCR85163  Descurainia pinnata A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16082 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  RSA0117928  Descurainia pinnata subsp. glabra Sarah J. J. De Groot, Cheryl Sevilla 2016-3-15 7634 Riverside Santa Rosa Mountains: along Dunn Road between Haystack and Asbestos Mountains; southwest of Palm Desert, northeast of Potrero Spring, between Palm and Deep Canyons. 1231 Comment
  RSA11552  Descurainia pinnata subsp. glabra N. Dunn, A. M. Martin 1932-3-26 s.n. Riverside Cottonwood Springs Comment
  POM13711  Descurainia pinnata subsp. menziesii P. A. Munz 1922-4-30 5121 Riverside Lancaster Valley, south of Hemet. Comment
  JEPS9739  Dicentra chrysantha Marjorie D. Clary 1932-7-4 1214 Riverside Aguanga Valley 609 Comment
  UCR165608  Dicentra chrysantha T. B. Salvato, John F. Green 2004-5-27 704 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
  RSA162722  Dicentra ochroleuca John Olmsted 1958-6-10 158 Riverside 7.5 miles SW of Corona on Oak Flat Fire Road (turn S in corona from US onto Lincoln, Santa Ana Mtns, Santa Ana River. 793 Comment
  UCR141685  Dicentra ochroleuca June Latting 1980-5-20 s.n. Riverside Peninsular Range, Santa Ana Mountains, Skyline Drive in Tin Mine Canyon, south of Sierra Peak 671 Comment
  IRVC52  Dichelostemma capitatum subsp. capitatum D. DeVault 1965-4-24 HS 0098 Riverside Upper San Juan Creek Camp; Ortega Highway. Santa Ana Mountains Comment
  POM1675  Dichelostemma capitatum subsp. capitatum I. M. Johnston s.n. Riverside Andreas Canyon 274 Comment
  RSA249841  Dichelostemma capitatum subsp. capitatum Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38106 Riverside San Jacinto Mountains: San Bernardino National Forest. Woods above James Reserve. 1676 Comment
  RSA559945  Dichelostemma capitatum subsp. capitatum Steve Boyd 1992-4-18 6906 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
  CLARK-A1528-12  Dichelostemma pulchellum C. M. Flanagan 1973-5-20 OO 505 Riverside Morongo Indian Reservation 1188 Comment
  RSA501033  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3154 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA501057B  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3174 B Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  HSC25226  Dicoria canescens Richard Spjut 1972-1-6 2095 Riverside Colorado Dessert; near Palm Springs, just N of on Indian Ave. Comment
  CAS-BOT-BC150879  Diplacus X australis Munz; Street; Williams 1919-4-5 2447 Riverside Puddingstone [Canon] Canyon Comment
  OBI8277  Diplacus bigelovii David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-28 12078 Riverside Joshua Tree Natl Monument along Pinto Basin Rd 11 mi S of N park boundary Comment
  CAS-BOT-BC150941  Diplacus bigelovii var. bigelovii Milo S. Baker 1928-4-3 3285 b Riverside Palm [Canon] Canyon Comment
  CAS-BOT-BC152267  Diplacus clevelandii Peter H. Raven 1962-5-18 17759 Riverside Main Divide Truck Trail 2.9 miles south of Santiago Peak 1234 Comment
  CAS-BOT-BC150682  Diplacus longiflorus H. M. Hall 1901-6-1 2077 Riverside In the vicinity of Chalk Hill 1402 Comment
  SBBG47458  Diplacus longiflorus N. C. Cooper 1944-6-16 1428 Riverside Pine Cove 1524 Comment
  SD43545  Diplacus longiflorus P. C. Everett 1945-6-7 11500 Riverside along roadside, Santa Ana Mts., Indian Canyon, along Indian Canyon Truck Trail 640 Comment
  CAS-BOT-BC153966  Diplacus rattanii John Thomas Howell 1931-5-30 6613 Riverside Santiago Peak, Santa Ana Mts. Comment
  RSA0116273  Distichlis spicata Mitch Provance, Ken Halama 2003-6-15 17059 Riverside Temescal Mountains: Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  RSA421607  Ditaxis lanceolata Christopher Davidson 1979-4-4 7736 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  RSA5554  Ditaxis lanceolata B. D. Stark 1932-6-15 3735 Riverside Base of Eagle Mountains above Utopia, Colorado Desert. 229 Comment
  UCR5290  Ditaxis lanceolata O. F. Clarke 1966-10-5 661005- 06 Riverside Sonoran (Colorado) Desert, University of Calif, Riverside Desert Research Center [= Deep Canyon] 290 Comment
  RSA717443  Ditaxis neomexicana Scott D. White, Pam De Vries 2006-3-14 11255 Riverside North of the I-10 Freeway a few mi east of Indio, at proposed I-10 / McNaughton Parkway interchange. 91 Comment
  RSA718303  Ditaxis neomexicana Michael Honer, Lincoln Hulse 2004-4-2 1885 Riverside East Wide Canyon; near MWD aqueduct, appx 2 mi. N of Dillon Rd. 488 Comment
  CAS-BOT-BC43590  Dithyrea californica S. B. Parish; W. F. Parish 1892-4-1 s.n. Riverside Borders of the Colorado Desert. Whitewater. Comment
  CAS-BOT-BC43632  Dithyrea californica Le Roy Abrams 1903-4-6 3208 Riverside Palm Springs. Comment
  CSUSB521  Dithyrea californica Grace Sprague 1968-4-29 S. N. Riverside Highway 111, 5 miles north of Palm Springs where San Jacinto Mountains near the road; on the sand dune of creosote bush scrub. Comment
  UCD84928  Dithyrea californica Chuck Hughes 2010-3-21 200 Riverside About 2.3 miles south of Highway 62, next to railroad tracks. 225 Comment
  POM95311  Dithyrea californica Marcus E. Jones 1906-4-20 s.n. Riverside Indio. Comment
  CAS-BOT-BC136108  Dodecatheon alpinum H. M. Hall 1901-7-1 2348 Riverside Tahquitz [Tauquitz] Valley - San Jacinto Mountains 2499 Comment
  UC456194  Dodecatheon alpinum I. J. Condit 1910-6-21 Riverside Tahquitz Camp San Jacinto Mts., Tahquitz Camp 2438 Comment
  SEINET7042774  Dodecatheon clevelandii W. P. Vestal, A. G. Vestal 1955-3-25 s.n. Riverside Road shoulder on Long Valley Road north of Tecula. Ca. 0.1 mile east of U.S. 395 [=Interstate 15 & Route 79]. Comment
  CLARK-A1045-162  Downingia concolor subsp. brevior George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains vernal pool; Wildomar 7.5'Q Comment
  CAS-BOT-BC41606  Draba corrugata var. corrugata Ralph Hoffmann 1929-9-6 s.n. Riverside San Jacinto Mountain. 2438 Comment
  POM7016  Draba cuneifolia var. integrifolia P. A. Munz 1919-3-25 2311 Riverside Beaumont. 610 Comment
  POM188070  Drymocallis glandulosa var. glandulosa L. Crutcher 1933-7-1 17 Riverside Creek below Camp Tahquitz. Comment
  UC12558  Drymocallis lactea var. lactea H. M. Hall July, 1901 2355 Riverside Tauquitz Valley San Jacinto Mountains, Tauquitz Valley (San Jacinto Mountains, Southern California) 2499 Comment
  HSC35460  Dryopteris arguta J. D. Ackerman, A. M. Montalvo 1975-6-26 526 Riverside Hwy. 74 between San Juan Capistrano and Lake Elsinor, near Upper San Juan Campground, Cleveland Nat'l Forest 610 Comment
  IRVC144  Dryopteris arguta Ken Ellis 1965-4-24 HS 529 Riverside Ortega Highway; Upper San Juan Creek Camp. Santa Ana Mountains Comment
  POM17941  Dryopteris arguta P. A. Munz 1923-6-14 7112 Riverside Glen Ivy Trail to Santiago Peak 1066 Comment
  RSA798604  Dryopteris arguta R. F. Thorne, E. W. Lathrop 1977-5-18 49758 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  JEPS49925  Dudleya lanceolata W. L. Jepson 1901-5-17 1222 Riverside Riverside Comment
  RSA709640  Dudleya lanceolata A. C. Sanders, T. B. Salvato 2003-5-21 26788 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
  SDSU13555  Dudleya lanceolata W. Miller with C. Mosse 1972-7-20 Riverside Upstream from Beaver dam. Comment
  RSA397791  Dudleya saxosa subsp. aloides T. W. Minthorn 1926-5-15 s.n. Riverside E of Banning. Comment
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Jan 14 2010
  POM356485  Dyssodia cooperi Robert Kessler 1927-05 s.n. Riverside Colorado Desert. Comment
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Nov 13 2011
  SEINET8060013 Image available Echinocactus polycephalus var. polycephalus Michael Chamberl 1990-1-8 9 Riverside 1/4mi down Hayfield Rd. south of I-10 500 Comment
  RSA0125228  Echinocereus engelmannii var. engelmannii Marc Baker, Michelle Cloud-Hughes 17368 .1 Riverside Along Morris Ranch Road, 640m NNE of Kenworthy Station, 3.5km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain, 16km SW of Idyllwild. 1445 Comment
  CAS-BOT-BC197075  Echinochloa crus-galli S. B. Parish 1913-9-20 8618 Riverside Mecca, Salton Sink 57 Comment
  UCR188891  Echinochloa crus-galli Fred M. Roberts, S. Leatherman 2007-9-19 6580 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  RSA557350  Echinodorus berteroi Julie Greene 1993-5-12 1297 Riverside North side of San Jacinto River levee, west of Davis Road. 433 Comment
  SD146025  Eclipta prostrata A. C. Sanders, Mitch Provance 1999-9-26 23117 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi south-east of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi south of Eden Hot Spring 433 Comment
  CHSC106538  Elatine californica Robert F. Thorne 1973-5-23 43840 Riverside SANTA ROSA PLATEAU - MESA DE COLORADO: N edge of large vernal marsh in shallow water. 609 Comment
  UCR272460  Eleocharis geniculata Mitch Provance 2012-8-1 712- 04 Riverside Colorado Desert, Thousand Palms Canyon Road, +- 2/3 of the way up into the canyon. 140 Comment
  UCR109647  Eleocharis macrostachya T. W. Fisher, R. E. Orth 1964-6-25 s.n. Riverside San Jacinto Mtns., Lake Hemet near stream 1311 Comment
  CAS-BOT-BC113327  Eleocharis montevidensis R. F. Thorne; E. Lathrop 1969-6-6 39345 Riverside Santa Rosa Plateau: Rancho California, shallow water of small stream. 609 Comment
  UCR201448  Elymus elymoides Scott D. White, Justin M. Wood 2008-6-5 12066 Riverside San Jacinto Mountains, Quinn Flat Meadow 1396 Comment
  RSA591726  Elymus glaucus subsp. glaucus John F. Emmel 1984-5-27 903 Riverside San Jacinto Mountains; Idyllwild; West Ridge, 0.3 air mile SSW of Camp Emerson 1595 Comment
  UCR192701  Elymus hispidus Naomi Fraga, V. Arvizu, Elizabeth Kempton, T. Thibault 2006-6-7 1692 Riverside San Jacinto Mountains, east of Fobes Ranch Road, just south of Fobes Ranch 1585 Comment
  UC1931214  Elymus triticoides Scott D. White, Justin Wood 2008-7-8 12392 Riverside SAN JACINTO MTS: Johnson Meadow Comment
  UC667294  Emmenanthe penduliflora Annie M. Alexander and Louise Kellogg 1941-5-11 2147 Riverside 1.5 miles north of Cottonwood Spring; Colorado Desert, Eagle Mountains 975 Comment
  UCSB5251  Emmenanthe penduliflora Ralph, F. 1960-4-1 Riverside Whitewater Canyon, 1.6 miles north of U.S. Hwy 99; western edge of the Colorado Desert Comment
  UCSB9699  Emmenanthe penduliflora Leeuwen, Henry 1957-4-13 Riverside On West slope of Whitewater Canyon 2 miles from U.S. 60 Comment
  UCR117103  Encelia actoni A. C. Sanders, T. B. Salvato 2001-5-16 24307 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
  JEPS34114  Encelia farinosa Marjorie D. Clary 1935-11-17 2570 Riverside Mecca-Blythe Road near Eagle Mts. Comment
  SD229088  Encelia farinosa Dick Schwenkmeyer 2013-6-11 911 Riverside Approx. 1.5 miles north od highway 74 and Royal Carrizo Road intersection. 854 Comment
  SD251190  Encelia farinosa Duncan S. Bell 2013-1-30 4458 Riverside The Mecca Hills; collecting beside the Coachella Canal and the powerlines at the base of the mountains in narrow desiccating depressions where winter rains had collected. 22 Comment
  UC895534  Encelia farinosa I. W. Clokey 1935-4-17 6946 Riverside Cottonwood Springs Comment
  UCSB29016  Encelia farinosa Hornemann, D. 1977-2-26 Riverside Box Canyon Wash 60 Comment
  POM356682  Encelia farinosa var. farinosa L. S. Rose 1967-12-19 67180 Riverside La Quinta. 15 Comment
  POM356692  Encelia farinosa var. farinosa Christopher Davidson 1979-4-4 7731 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  SEINET3004980  Encelia farinosa var. phenicodonta G. Rink, M. Baker 2011-4-1 10407 Riverside Northwest of Blythe, east of the McCoy Mtns, vegetated pockets in desert pavement 170 Comment
  UCR263222  Enchylaena tomentosa A. C. Sanders, T. B. Salvato 2015-7-22 41747 Riverside Peninsular Range, Riverside; former O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 361 Comment
  UC813668  Ephedra aspera I. W. Clokey 1935-4-17 6513 Riverside Cottonwood Springs Comment
  UC813669  Ephedra aspera I. W. Clokey 1935-4-17 6514 Riverside Cottonwood Springs Comment
  JOTR29438  Ephedra californica La Doux, Tasha, M. Bell, B. Truesdell 2006-3-22 1372 Riverside Joshua Tree National Park. East Wide canyon 499 Comment
  POM259670  Ephedra californica Philip A. Munz 1940-2-22 15657 Riverside Rocky gully, Whitewater Canyon, 2 miles north of Banning-Indio boulevard. Comment
  RSA383801  Ephedra nevadensis M. B. Dunkle 1935-3-31 4444 Riverside Cottonwood Springs. Colorado Desert 701 Comment
  CAS-BOT-BC81862  Ephedra trifurca Carl B. Wolf 1932-4-29 3123 Riverside Eastern Colorado Desert, 3 mi. So. of Rice on Blythe Road 213 Comment
  RSA80634  Epilobium densiflorum F. W. Peirson 1924-7-29 5033 Riverside Banning to Idyllwild road, San Jacinto Mountains. 1570 Comment
  UC1931076  Epilobium densiflorum Scott D. White, Justin Wood 2008-7-9 12427 Riverside San Jacinto Mountains: K Flat, from large pond downstream to meadow. Comment
  SD28118  Epilobium glaberrimum Carl B. Wolf 1932-8-5 3941 Riverside San Jacinto Mountains. Along trail from Tahquitz Valley to San Jacinto Peak. 2621 Comment
  RSA5237  Epilobium oregonense Carl B. Wolf 1932-8-5 3961 Riverside On trail from Tahquitz Valley to San Jacinto Peak; head of a fork of Tahquitz Creek. San Jacinto Mountains. 2744 Comment
  RSA381721  Epipactis gigantea A. Menke 1955-4-25 s.n. Riverside Andreas Canyon, Palm Springs. Comment
  SDSU1959  Equisetum laevigatum Graham A. Cribbs 1962-7-28 116 Riverside Taken from meadow adjacent to Lake Hemet in the San Jacinto mountains. 1372 Comment
  RSA639636  Equisetum telmateia var. braunii E. Robinson, Crocker 1916-3-29 s.n. Riverside Santa Ana Mtns. Canyon near Murietta. Comment
  IRVC27429  Eragrostis barrelieri A. C. Sanders, S. Ogg 1994-7-28 15168 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  UCR265603  Eragrostis mexicana Jordan Zylstra 2014-7-6 14018 Riverside San Jacinto Mountains, Fobes Canyon 1524 Comment
  UCR97253  Eragrostis mexicana Scott D. White 1996-9-22 4535 B Riverside Perris Basin, Perris: Nuevo Road, just east of San Jacinto River crossing 435 Comment
  UCD63455  Eragrostis mexicana subsp. mexicana F. M. Reed Date Unknown 1469 Riverside Riverside and vicinity, roadsides in Riverside. Comment
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Jun 16 2012
  UC1100242  Eragrostis mexicana subsp. virescens Malcolm A. Nobs and S. Galen Smith 1948-9-3 487 Riverside 2 mi n Indio (Citrus grove); Imperial Valley Comment
  UC1495814  Eragrostis pectinacea var. pectinacea A. C. Sanders and S. Hagopian 1981-5-20 2154 Riverside se Temecula (ne of S16 along the entrance road to the Cal Turf Sod Farm, Wolf Valley); Wolf Valley 329 Comment
  UCR113924  Eragrostis pilosa var. pilosa Mitch Provance, A. C. Sanders 2000-7-4 2082 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  JEPS68601  Eremalche exilis S. B. and W. F. Parish March, 1881 99 Riverside borders of Colorado Desert at Agua Caliente; Colorado Desert Comment
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Oct 27 2014
  RSA0108941  Eremalche exilis Duncan S. Bell, Amanda Bell 2012-1-28 3069 Riverside East side of the Arica Mountains; collecting in Rice Valley, approximately 6 air miles southeast of the ghost town of Rice. 202 Comment
  UCR114144  Eremalche exilis B. G. Pitzer, J. Ross 1998-3-8 3605 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  UCR65287  Eremalche exilis Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3883 Riverside Peninsular Range, Vail Lake area, cinder cone ridge at north side of mouth of Temecula Creek Canyon and adjacent benches on S flank of 'Big' Oak Mtn. 549 Comment
  UC724382  Eremalche rotundifolia Aven and Ruth Nelson 1939-3-29 3317 Riverside s. of Mecca (Hidden Springs Canyon) Comment
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Jul 14 2012
  RSA586937  Eremocarpus setiger D. L. Banks, Peter Morrell 1995-5-4 0303 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, along Arroyo Seco. 597 Comment
  UCSB38669  Eremothera boothii Cowan, Clark 1978-4-24 Riverside 2.1 mi (3.3 km) off Ave 66 on a dirt road, 1.3 mi (2 km) on Ave 66 from Hwy 86 Comment
  UC2030110  Eremothera boothii subsp. condensata V. Soza, J. M. Porter, G. D. Wallace 2001-4-2 1095 Riverside Transverse Ranges, Little San Bernardino MOuntains region: Mouth of West Wide Canyon, west side of Channel Run. Comment
  UCSB30402  Eremothera boothii subsp. condensata Krasner, Larry 1975-3-22 Riverside 11 miles west of Desert Center, on Highway 10 365 Comment
  JOTR35366  Eremothera refracta Harding, Mitzi, M. Wheeler 2011-1-26 150 Riverside Joshua Tree National Park. West Coxcomb Mountains; rocky foothills/slopes above bouldery wash (STOP4) 424 Comment
  RSA0031613  Eremothera refracta Jim Andre 2013-3-27 24819 Riverside Riverside Mountains; east side of Riverside Mountains, along Hwy 95, 13.2 mi. south of Vidal Jct. 126 Comment
  RSA0108909  Eriastrum densifolium subsp. austromontanum Albert J. Perkins 1916-9-3 s.n. Riverside Tahquitz Mt. [peak]. Comment
  UCR126199  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1993-7-16 137 Riverside San Jacinto Mtns., Thomas Mtn. Road, 1.5 km west of Thomas Mtn. Campground, both sides of road 1939 Comment
  UCR94073  Eriastrum densifolium subsp. densifolium Scott D. White, D. Haselfeld 1996-7-2 4259 Riverside San Jacinto/Santa Rosa Mtns, Pinyon Flat area, north of Hwy 74, c. 10 road mi east of junction with Hwy 371, west-facing slope of Sugarloaf Mountain and adjacent valley 1402 Comment
  RSA0120671  Eriastrum harwoodii Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 966 Riverside Blythe-Rice Road, East/Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing. 243 Comment
  UCR233935  Eriastrum harwoodii Duncan S. Bell 2010-5-1 911 Riverside Sonoran (Colorado) Desert, Arica Mountains, NW of mountain range, c. 6.5 air miles SW of Rice and c. 5 air mi. NW of Priests Well 339 Comment
  UCR125208  Eriastrum sapphirinum Mitch Provance 1998-5-24 536 Riverside Jurupa Mountains, S 'Rattlesnake Mt.', near the corner of Alta St. and Canal St. in Rubidoux 396 Comment
  UCR49767  Eriastrum sapphirinum D. C. Hawks 1987-5-16 s.n. Riverside Terwilliger Valley, S of Anza, Terwilliger Road, 0.9 mi. south of intersection with Wellman Road 1189 Comment
  OBI033505  Eriastrum sapphirinum subsp. dasyanthum R. Thomasson 1973-5-30 Riverside Box Springs Mtns., Box Springs Mtn. Rd. 1 mi. from Pigeon Pass Rd., dry, flat area 686 Comment
  SD187456  Eriastrum sapphirinum subsp. dasyanthum Scott D. White, Angelia Carey 2004-5-7 10321 Riverside San Jacinto Mountain foothills; Indian Creek and adjacent foothills. 548 Comment
  RSA0121581  Eriastrum sapphirinum subsp. dasyanthum Percy C. Everett 1935-6-18 7176 Riverside Santa Ana Mountains, San Juan Canyon, near Ortega Highway on road [North Main Divide Road] to Santiago Pk. 701 Comment
  UCSB16708  Eriastrum sapphirinum subsp. sapphirinum Dearing, Hugh; Dearing, Margaret 1940-6-8 Riverside Pines to Palms Highway west of Ribbonwood Comment
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Nov 19 2011
  CAS-BOT-BC515045  Eriastrum sapphirinum subsp. sapphirinum Ralph Hoffmann 1929-9-6 s.n. Riverside San Jacinto Mts., Strawberry Valley 1676 Comment
  RSA0063623  Eriastrum sapphirinum subsp. sapphirinum J. D. Olmsted 1959-8-18 784 Riverside Reservoir Hill at Desert Sun School near Idyllwild. Mt. Range: San jacinto; Drainage Area: M. Fk. S. Jacinto R. 1646 Comment
  RSA502198  Ericameria brachylepis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3706 Riverside Vail Lake area, sandy wash draining into Wilson Creek at E end of lake. Comment
  RSA524241  Ericameria brachylepis Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4128 Riverside Vail Lake area, E flank of 'Big' Oak Mtn, S of E summit. 610 Comment
  RSA597062  Ericameria brachylepis D. L. Banks, Lauren Raz 1996-11-5 1147 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, S of San Gabriel Church; Along a newly established firebreak along a NW-SE running ridgeline, near the water tank. 402 Comment
  SD229089  Ericameria cuneata Dick Schwenkmeyer 2012-4-18 708 Riverside Mt. San Jacinto: Vista Grande, 1.1 mile northwest of U.S. Forestry station on Highway 243, north of Idyllwild. High granite ridge overlooking Gorgonio Pass to the north and Hemet to the west. 1540 Comment
  POM48338  Ericameria linearifolia E. C. Jaeger 1925-3-1 s.n. Riverside Snow Canyon, San Jacinto Mts. 457 Comment
  UCR34965  Ericameria linearifolia L. B. Ziegler 1968-4-16 275 Riverside San Jacinto Mtns, W slope of mtns at Dry Creek & Hwy 74 1067 Comment
  UCSB38737  Ericameria linearifolia Cowan, Clark 1978-4-23 Riverside Bighorn sheep overlook 14.5 mi (23.2 km) S on hwy 74 from jct. w/ Hwy 111 at Indian Wells; Santa Rosa Mts., San Berndo. Nat. For. Comment
  UC62909  Ericameria nauseosa var. bernardina H. M. Hall 1896-8-29 341 Riverside San Jacinto Mountains 2743 Comment
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Nov 25 2010
  UC134761  Ericameria nauseosa var. hololeuca J. W. Toumey 1894-9-27 Riverside Banning Comment
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Mar 13 2011
  CAS-BOT-BC299526  Ericameria palmeri var. pachylepis A. C. Sanders 2004-5-11 27853 Riverside Alberhill Mountain, lower south-facing slopes southeast of the clay mining area, Elsinore Basin Region 449 Comment
  RSA689513  Ericameria palmeri var. pachylepis Scott D. White, Michael Honer 2003-4-2 8898 Riverside Temescal Valley: Just west of I-15 Freeway and northeast of Lawson Dr. 305 Comment
  CAS-BOT-BC299535  Ericameria paniculata J. C. Roos 1965-11-6 s.n. Riverside Whitewater 304 Comment
  JOTR34118  Ericameria paniculata La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1002 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains in Cottonwood Canyon; large active wash in rocky canyon along roadside east of Rte. 11 839 Comment
  SD43541  Ericameria paniculata Philip A. Munz 1946-10-20 11585 Riverside Cottonwood Springs, Joshua Tree National Monument. 1064 Comment
  SD187344  Erigeron canadensis Scott D. White, Angelia Carey 2004-9-16 10757 Riverside San Jacinto Mountain foothills: Indian Creek watershed, above confluence with San Jacinto River. 579 Comment
  CAS-BOT-BC296795  Erigeron divergens H. M. Hall 1905-4-27 5881 Riverside Chuckawalla Bench, Colorado Desert Comment
  RSA0104488  Erigeron foliosus Duncan S. Bell 2015-9-30 8667 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  CAS-BOT-BC296236  Erigeron foliosus var. foliosus Carl B. Wolf 1932-5-25 3667 Riverside Snow Creek Canyon just above fish hatchery, No. base of San Jacinto Mts. 670 Comment
  RSA736706  Erigeron foliosus var. foliosus Scott D. White 2004-4-26 10243 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. 518 Comment
  SEINET959316  Erigeron jonesii A. C. Sanders 2006-1 32782 Riverside Schell Creek Range: head of canyon above Rosebud Spring, c. 1 mile SE of V ABM Connor, 2.5 miles south of Hwy 50/93 at Conners Pass (Connor's Pass 7.5 Q) 2499 Comment
  UCR7884  Erigeron strigosus O. F. Clarke 1968-9-10 s.n. Riverside University of California, Riverside. Botanic Garden 412 Comment
  UCD65712  Eriochloa acuminata A. R. Roos 1937-11-28 Riverside East Washington St., Riverside. Comment
  RSA253145  Eriodictyon crassifolium Gary D. Wallace 1975-2-22 1398 Riverside San Jacinto Mtns., alaong hwy, 243, 3-5 mi. N of Poppet Flat Road turn off. Comment
  UCR231815  Eriodictyon crassifolium Brent Barnes, A. C. Sanders, Giles Waines, UCR Plant Taxonomy Class 2007-5-12 13 Riverside Peninsular Range; San Jacinto Mtns., dirt forest service road north of Poppet Flats, west of Hwy 243 1253 Comment
  UCSB5275  Eriodictyon crassifolium Nowell, J. 1958-5-18 Riverside 4 mi. from Banning on Banning-Idyllwild Road 609 Comment
  RSA455109  Eriodictyon trichocalyx var. lanatum Christopher Davidson 1978-6-15 7385 Riverside Santa Rosa Mts. Road from Hwy 74 to Sta Rosa Mt., ca. 2 mi W of junction to Sta Rosa Spgs Campground. 2088 Comment
  RSA455061  Eriodictyon trichocalyx var. trichocalyx N. C. Cooper 1949-6-29 4379 Riverside Above Banning 915 Comment
  RSA608184  Eriogonum R. S. Woglum 1939-4-11 2217 Riverside Sonoran Desert: Near Rice, Coxcomb Tunnel. Comment
  RSA766437  Eriogonum apiculatum E. L. Peterson 1931-9-8 s.n. Riverside Ridge trail to Tahquitz Peak, along S side of Tahquitz Valley. San Jacinto Mts. 2439 Comment
  UCR5710  Eriogonum apiculatum O. F. Clarke 1966-10-5 661005- 37 Riverside Peninsular Range; Santa Rosa Mtns., Santa Rosa Mountain Rd., first wooded canyon -- near University of California, Deep Canyon Desert Research Center 1829 Comment
  UCR35099  Eriogonum davidsonii L. B. Ziegler 1967-8-2 201 Riverside Peninsular Ranges, San Jacinto Mtns., upper Herkey Creek area 1524 Comment
  UCR44204  Eriogonum davidsonii A. C. Sanders 1986-6-1 6554 Riverside San Jacinto Mtns., trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista road [=Apple Canyon Rd.] 1829 Comment
  RSA0018889  Eriogonum deflexum Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6025 Riverside Chuckwalla Valley; approximately 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well. 107 Comment
  UCR3379  Eriogonum deflexum John Minnich 1964-3-22 64-3-22- 12 Riverside Sonoran (Colorado) Desert, Mouth of Box Canyon, on State Hwy 195, E side of dam formed by Painted Canyon turnoff. 0 Comment
  UCR5708  Eriogonum deflexum Frank C. Vasek, O. F. Clarke 1966-9-11 660911- 02 Riverside Sonoran (Colorado) Desert, off ramp [from Hwy 60, now I-10] to [south entrance of] Joshua Tree National Monument from Riverside 475 Comment
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Jun 5 2008
  CAS-BOT-BC256122  Eriogonum deflexum var. deflexum Lewis S. Rose 1936-12-26 36824 Riverside Hayfield, 5 mi. W of Desert Center Comment
  CAS-BOT-BC256131  Eriogonum deflexum var. deflexum Ynez Whilton Winblad 1937-1-16 s.n. Riverside Box Canyon Comment
  RSA393269  Eriogonum deflexum var. deflexum N. C. Cooper 1949-4-8 3257 Riverside Mecca Pass east of Indio. 610 Comment
  UCR35098  Eriogonum evanidum L. B. Ziegler 1967-10-27 259 Riverside San Jacinto Mtns., Hemet Valley, near Thomas Mt. Subdivision 1402 Comment
  UCR89543  Eriogonum fasciculatum Bern Schwenn 1994-4-29 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument (Park)., flat country east of Lost Horse Mtns, near Mystery Hole. In wash near mine tailings (Sec. 34, south of Cal. Riding and Hiking Trail) and near old road to Indio 1311 Comment
  RSA715451  Eriogonum fasciculatum var. foliolosum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32668 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279. 579 Comment
  CAS-BOT-BC250143  Eriogonum fasciculatum var. polifolium J. H. Thomas 1949-4-24 461 Riverside 2 miles east of Whitewater, between Banning and Indio Comment
  RSA316417  Eriogonum fasciculatum var. polifolium Robert F. Thorne, Kay L. Wright, Richard K. Benjamin 1982-10-8 55399 Riverside Side canyon on W side of Whitewater Cyn, ca. 3.3 mi. N of Whitewater Post Office. 595 Comment
  UC849406  Eriogonum fasciculatum var. polifolium Alice Eastwood 1913-4-30 3020 Riverside Palm Springs Comment
  SD136782  Eriogonum gracile Steve Boyd 1994-10-14 8379 Riverside San mateo Canyon Wilderness Area of the Cleveland National Forest. Fisherman's Camp Trail (7S02) from Wildomar Road (7S01) west into Tenaja Canyon at its confluence with San Mateo Canyon, NW/4 sec 28 462 Comment
  SD186296  Eriogonum gracile John Green, S. J. Myers 2003-6-25 Riverside French Valley, Greenway site, along Tucalota Creek ca. 1 mile east of Murrieta Hot Springs 395 Comment
  UCR194207  Eriogonum gracile Scott D. White, Angelia Carey 2004-6-4 10468 Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  RSA741733  Eriogonum gracile var. incultum M. Wall 2008-10-6 495 Riverside San Jacinto Valley, Baustista Rd. south east of Hemet; Bautista Creek ca. 6.0 miles SE of Fairview Ave. 778 Comment
  RSA701167  Eriogonum inflatum Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11230 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
  UCR243574  Eriogonum maculatum Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21105 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
  CAS-BOT-BC270595  Eriogonum molestum Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  JOTR35375  Eriogonum nudum var. pauciflorum Wheeler, Mark 2011-10-20 s.n. Riverside Joshua Tree National Park. just east of Inspiration Point, localized population in canyon 1620 Comment
  POM259133  Eriogonum nudum var. pauciflorum P. A. Munz 1938-8-14 15374 Riverside East of Toro Peak 2287 Comment
  CAS-BOT-BC258239  Eriogonum pusillum John Thomas Howell 1928-3-9 3388 Riverside East end of bridge at Whitewater, Colorado Desert 396 Comment
  JEPS56474  Eriogonum pusillum W. L. Jepson 1928-4-25 12605 Riverside in wash below Cottonwood Spring; Colorado Desert, Eagle Mts. 731 Comment
  UCR104041  Eriogonum pusillum George K. Helmkamp 1998-4-3 3066 Riverside Sonoran (Colorado) Desert, Whitewater River, bordering the north side of Hwy I-10; E side of the river 396 Comment
  UCSB18199  Eriogonum pusillum Smalley, G. 1964-5-10 Riverside State Highway 74; 10.2 miles SW of Palm Desert 883 Comment
  CAS-BOT-BC253012  Eriogonum reniforme Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring 60 Comment
  CAS-BOT-BC253021  Eriogonum reniforme Geo. B. Grant 1906-4-20 6751 Riverside Palm Springs, Colorado Desert Comment
  HSC24856  Eriogonum thomasii James Henrickson 1971-4-2 5485 Riverside Hidden Oasis, 13 miles E of Palm Spring 183 Comment
  RSA0121005  Eriogonum thomasii Duncan S. Bell, LeRoy Gross 2016-3-8 8828 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of the range; approximately 1.75 air miles north of the Bradshaw Trail. 466 Comment
  RSA704550  Eriogonum thomasii LeRoy Gross 2005-3-3 1576 Riverside Palen Mountains, south side. Near end of old prospect road. [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  UCR104038  Eriogonum thomasii George K. Helmkamp, E. A. Helmkamp 1998-2-5 2674 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  UCR136675  Eriogonum thomasii George B. Grant 1906-5-1 440 6741 Riverside Sonoran (Colorado) Desert, Palm Springs 244 Comment
  UCR244293  Eriogonum thomasii Jim Andre 2012-4-16 20881 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd., 1.0 mi. north of south entrance to J.T.N.P. 584 Comment
  JEPS56821  Eriogonum trichopes W. L. Jepson 1927-4-13 11690 Riverside ne Mecca (lower slopes of Painted Canyon); Colorado Desert, Painted Canyon 45 Comment
  SEINET5584425  Eriogonum trichopes Stephen Hale 2010-1 Riverside Along WAPA Parker-Blythe transmission line, adjacent to State Route 95 Comment
  UC1032224  Eriogonum trichopes H. S. Yates 1937-6-28 6737 Riverside near Palm Springs; San Jacinto Quadrangle Comment
  POM357964  Eriophyllum confertiflorum Norman C. Cooper 1945-5-5 2256 Riverside San Gorgonio Mountains above Banning. 915 Comment
  SBBG122776  Eriophyllum multicaule A. Parikh 1990-4-23 154 Riverside E of Gavilan Pk, 0.2 km S of Ida Leona Rd, 1 km E of Gavilan Rd 627 Comment
  SBBG27746  Eriophyllum wallacei D. Myrick 1964-4-30 824 Riverside Palms to Pines (St Hwy 74), 10 mi W of Palm Desert Comment
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Jul 7 2012
  UCD132251  Eriophyllum wallacei Collector Unknown 1923-3-25 299 Riverside Whitewater. Comment
  UCR100039  Eriophyllum wallacei Scott D. White 1994-4-23 2048 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
  RSA701047  Erodium cicutarium Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11296 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
  UCD103199  Erodium cicutarium Barry Priggs; L. Martinez 1978-3-23 2400 Riverside NW Colorado Desert, Coachella Valley, 1.7 miles W of North Palm Springs on Dillon Rd. 274 Comment
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Sep 9 2013
  UCR174301  Erodium cicutarium A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32653 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
  UC2029929  Erodium macrophyllum Steve Boyd, Valerie Soza 2001-4-12 10401 Riverside SANTA ANA MOUNTAINS - GAVILAN HILLS REGION: Temescal Canyon, terrace escarpment just south of De Palma Road between Indian Wash and Horsethief Wash Comment
  POM47109  Erodium texanum Mary F. Spencer 1918-4-12 761 Riverside Palm Springs, toward Indio 107 Comment
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Nov 20 2011
  RSA249838  Erysimum capitatum var. capitatum R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38102 Riverside San Jacinto Mountains: San Bernardino National Forest. Above James Reserve in Hall Canyon 1677 Comment
  SEINET14046349 Image available Erythranthe guttata N. H. Holmgren, Liew Fah Seong 1969-1 3582 Riverside San Jacinto Mountains, country road R1, at Black Mountain turn-off, 8.5 miles north of Idyllewild Comment
  RSA0015886  Erythranthe moschata P. A. Munz, I. M. Johnston 1924-7-28 8805 Riverside Pine Flats, San Jacinto Mountains. 1738 Comment
  SD120077  Erythranthe parishii Louis B. Ziegler 1969-6-12 381 Riverside San Jacinto Mountains - Hemet Valley. In streambed, near Pine Meadows region 1431 Comment
  RSA0022940  Eschscholzia androuxii Verne Grant, Alva Grant 1951-4-7 15990 Riverside Below Morongo Valley on road to White Water 732 Comment
  JEPS51774  Eschscholzia californica W. L. Jepson 1914-5-25 6077 Riverside Beaumont Comment
  UCR58490  Eschscholzia californica Ed LaRue 1989-6-11 s.n. Riverside Peninsular Range, W side of Lakeview Mtns., c. 1 mi SE of town of Nuevo 640 Comment
  RSA704003  Eschscholzia californica subsp. californica Daphne K. Christopher, H. Stevens, Z. Princip 2003-4-9 124 Riverside Near Hermano Road, off Hwy. 15, Indian Truck Trail exit. On right spur of primary dirt road. 550 Comment
  PASA453  Eschscholzia glyptosperma Riverside Painted Canyon Comment
  JEPS89162  Eschscholzia minutiflora Rimo Bacigalupi and L. Heckard 1962-3-21 8342 Riverside 2.3 mi below and sw Shavers Well (along CA Hwy 195); Box Canyon Wash 243 Comment
  RSA703804  Eschscholzia minutiflora LeRoy Gross 2005-3-3 1605 Riverside Palen Mountains, south side. Near end of old prospect road. [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  GMDRC5582  Eschscholzia papastillii Shannon M. Still 2009-3-28 510 Riverside Pinto Mountains: in middle of Pinto Mtns, in sandy wash 584 Comment
  RSA0023221  Eschscholzia papastillii Barry A. Prigge 1988-2-21 7841 Riverside Colorado Desert, Orocopia Mountains: 2 miles W of Clemens Well. 229 Comment
  CAS-BOT-BC5930  Eschscholzia parishii Samuel Bonsal Parish; William Fletcher Parish 1882-4-1 759 Riverside Whitewater; Eastern slope of San Bernardino Mt. Comment
  RSA445442  Eschscholzia parishii E. C. Jaeger 1922-3-27 708 Riverside Colorado Desert. Box Canon, near Mecca. 91 Comment
  RSA66744  Eschscholzia parishii F. W. Peirson 1927-4-12 7167 Riverside Painted canyon, near Mecca. Comment
  UCR104030  Eschscholzia parishii George K. Helmkamp 1998-4-4 3160 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
  UCR50653  Eschscholzia parishii B. A. Prigge 1988-2-21 7841 Riverside Sonoran (Colorado) Desert, Orocopia Mtns. 2 mi west of Clemens Well 229 Comment
  UCR241951  Eucalyptus A. C. Sanders, Timothy W. Chumley 2013-3-28 40710 Riverside Peninsular Range, Alberhill, along Lake St. 1.45 km south of I-15, near old clay mines 396 Comment
  CDA37515  Eucalyptus polyanthemos J. C. Lyman 1989-2-9 89 -3 Riverside Lakeview; Pressman property in the Bernasconi Hills, just south of the Ramona Expressway, south of Lake Perris and north of Nuevo. Behind the water tank near the Expressway. 0 Comment
  RSA556515  Eucrypta chrysanthemifolia Julie Greene 1993-4-10 1137 Riverside San Jacinto Wildlife Area: Lower North facing slope with granitic outcrops. 476 Comment
  JOTR33749  Eucrypta chrysanthemifolia var. bipinnatifida La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2747 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  SEINET10689684  Euonymus occidentalis var. parishii Karen M. Meyer, Andrew Townesmith; Tracy Scott 2007-3-16 Meyer 19 Riverside San Bernardino National Forest. Fuller Mill Creek. Calocedrus decurrens forest, 17.6 m S on Hwy 243 (off of I-10). 1572 Comment
  UCR171906  Euphorbia albomarginata John F. Green 2006-4-27 s.n. Riverside Peninsular Ranges, Temecula, plot centered on San Diego Aqueduct corridor between Nicolas Road and Via Norte 381 Comment
  UCR172161  Euphorbia albomarginata T. B. Salvato, Gregg Miller 2005-6-3 1379 A Riverside Peninsular Range; Perris-Aguanga Basin Region, c. 3 mi SW of Perris, 1.7 mi SW of the Goetz Road crossing of the San Jacinto River and c. 0.25 mi south of Ethanac Road 436 Comment
  CDA35314  Euphorbia eriantha G. D. Barbe 1978-5-3 2377 Riverside Chuckwalla Mountains; Corn Springs Wash at end of road, 3.2 miles west of Corn Springs Campground. 0 Comment
  RSA735323  Euphorbia eriantha Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11262 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
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Jun 20 2011
  RSA737258  Euphorbia maculata Scott D. White 2008-8-20 12536 Riverside Perris Basin: City of Moreno Valley, Perris Blvd. between Krameria and Oleander Streets. 445 Comment
  SD181559  Euphorbia micromera Louis C. Wheeler 1965-6-27 8690 Riverside Corona; Overboltzer's Grove. Comment
  UCR264235  Euphorbia micromera A. C. Sanders, Jim Malusa 2015-9-10 41842 Riverside Sonoran (Colorado) Desert, mouth of Red Canyon at Salt Creek wash 390 Comment
  SD227801  Euphorbia nutans Andrew C. Sanders, K. C. Rose 1999-5-28 22792 Riverside Coachella Valley: Between La Quinta and Indio, along Jefferson St. between Ave 54 and I-10. Disturbed roadside at intersection with Ave. 49. 11 Comment
  CLARK-A1045-137  Euphorbia polycarpa George K. Helmkamp 1978-4-1 Riverside Deep Canyon by University of California Reserve System Boyd research station; Palm Desert 15'Q Comment
  UCR107720  Euphorbia polycarpa A. C. Sanders 1997-3-1 19738 Riverside Box Springs Mountains, Riverside: S end of the range along Gernert Rd. (dirt road paralleling the mountain front), in valley draining to Box Spring Canyon. 457 Comment
  POM214415  Euphorbia polycarpa var. hirtella E. C. Jaeger 1939-12-3 s.n. Riverside Canyon of Orocopia Mountains, south of Hayfield reservoir. 427 Comment
  CAS-BOT-BC310651  Euthamia occidentalis Steve Boyd; Tim Ross; Dave Bramlet 1992-9-9 7674 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek, up the San Mateo Trail north to Potrero de la Cienega 670 Comment
  RSA645637  Fagonia laevis Scott D. White 1999-4-20 7274 Riverside Blythe Area: Southern foothills of the Big Maria Mts., northwest of Calif. Hwy. 95, ca. 7 road miles north of Interstate 10 / Intake Blvd. jtn. in Blythe. 91 Comment
  RSA777732  Fagonia pachyacantha Jim Andre, G. L. Clifton 2011-2-22 17444 Riverside Mecca Hills; along Box Canyon Road, 10.3 miles NE of town of Mecca 219 Comment
  UCR279525  Fagonia pachyacantha A. C. Sanders, Jim Malusa 2017-3-29 43188 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 2.8 km south of the confluence of Red Canyon and Salt Creek 460 Comment
  RSA667079  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 N of the reservoir. 351 Comment
  JOTR34182  Festuca microstachys La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3232 Riverside Joshua Tree National Park. West of Queen Mountain, southern end of Wonderland of Rocks; Wonderland Wash, north of Mill Street Mine parking area. Active wash corridor with sandy bottom and surrounded by granitic outcrops and pediments; with heavy foot traffic (Stop 1) 1297 Comment
  UCR105434  Festuca microstachys A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20636 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  UCR20552  Festuca microstachys W. W. Mayhew 1977-6-11 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  UCR144079  Festuca myuros Scott D. White 1993-3-3 1103 Riverside Perris Basin, Romoland/Winchester area 442 Comment
  UCR252614  Festuca octoflora T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2013-3-27 7456 Riverside Perris-Aguanga Basin, Menifee, along Murrieta Road between Newport Road and La Piedra Road 457 Comment
  RSA561818  Filago californica Steve Boyd 1992-4-14 6824 Riverside San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail 341 Comment
  UCR177826  Filago californica S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  UCR138579  Filago depressa Steve Boyd, Orlando Mistretta 1986-3-13 1435 Riverside Sonoran (Colorado) Desert, Palen Mtns: NE of Desert Center, junction of Parker Dam Road and 'Palen Road' (road going through pass between Palen and Granite Ranges) 366 Comment
  UCR256790  Filago gallica T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7877 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 549 Comment
  HSC99953  Forestiera pubescens J. P. Smith, & J. O. Sawyer 2011-6-9 13196 Riverside 1470 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
  SD229244  Frangula californica subsp. cuspidata Dick Schwenkmeyer 2012-3-26 682 Riverside Mt. San Jacinto area: Lake Hemet (site #4), Highway 74, sloping hillside 1317 Comment
  SD232321  Frangula californica subsp. cuspidata Scott D. White, Justin M. Wood 2008-7-8 12388 Riverside San Jacinto Mountains: Johnson Meadow. 1438 Comment
  RSA544413  Frankenia salina Steve Boyd, T. S. Ross 1991-6-14 6381 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  RSA160521  Fraxinus dipetala J. D. Olmsted 1959-4-23 468 Riverside Spring Trail at Beacon Pines Ranch, 9 miles SW of Corona; Santa Ana Mts. Drainage area: Santa Ana river. 793 Comment
  SD247460  Fraxinus velutina Fred T. Sproul, Julia Groebner 2014-7-21 6006 Riverside Santa Ana River at Norco (Corona North 7.5'Q) 175 Comment
  POM75819  Funastrum cynanchoides var. hartwegii Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA458584  Funastrum cynanchoides var. hartwegii Christopher Davidson, B. Gustafson 1977-4-7 5595 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. 610 Comment
  RSA615149  Funastrum cynanchoides var. hartwegii Scott D. White 1997-5-25 5219 Riverside Bautista Canyon: Along Bautista Canyon Rd., less then 1.3 road miles NW of Hixon Tralhead (USFS NO. 2E43) 701 Comment
  UCR89833  Funastrum cynanchoides var. hartwegii Scott D. White 1993-5-27 1430 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  SD251170  Funastrum heterophyllum Duncan S. Bell 2013-1-30 4442 Riverside The Mecca Hills; in an unnamed canyon between Thermal Canyon and Painted Canyon, just to the west of Mecca Hills peak 1642. 138 Comment
  SEINET10496383  Funastrum hirtellum A. Evans 1976-4-13 Evans 5178 Riverside Desert canyons of Santa Rosa Mts. Comment
  SEINET7072849  Galium angustifolium A. G. Vestal 1963-5-20 s.n. Riverside Long Valley Road at Tececula and at the junction with Route 395 (115). Coordinate datum: WGS84/NAD83. (33? deg. 30' 3" North Latitude, -117? deg. 9' 3" West Longitude, Coordinate datum: NAD27.). Comment
  UCR133446  Galium angustifolium Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 454 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  JEPS56082  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4281 Riverside along hwy about 1 1/2 mi w Mountain Center (at junction with Baldy Mountain Camp Rd, steep s-facing hillside) Comment
  SD229267  Galium angustifolium subsp. angustifolium Dick Schwenkmeyer 2012-6-27 743 Riverside May Valley, approx. 5 miles southeast of Idyllwild town center, Mt. San Jacinto, Riverside County, CA. 1531 Comment
  UCSC001310  Galium angustifolium subsp. foliosum Peter Kamb 1947-7-1 553 Riverside Hall Canyon, San Jacinto Mts. 1463 Comment
  RSA689701  Galium angustifolium subsp. jacinticum Valerie L. Soza, Naomi S. Fraga, Sarah Swartzentruber 2003-6-25 1709 Riverside Lake Fulmore; NW side of Lake. 1616 Comment
  SEINET1909898  Galium aparine T. B. Salvato, John F. Green 2004-1 555 Riverside San Bernardino Mtns head of Banning (San Gorgonio River) Canyon close to the San Berardino Co. line, 1 mi. SE of Ok conservation Camp. (Forest Falls Q.) 1341 Comment
  RSA706290  Galium californicum subsp. primum Naomi S. Fraga, Sarah J. De Groot, Valerie Soza 2004-6-28 1279 Riverside Along Red Hill Road (5S10) near Alvin Meadows, southwest of Pine Cove. 1616 Comment
  JOTR33949  Galium multiflorum La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2817 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
  SD137626  Galium porrigens var. porrigens Darin L. Banks 1995-3-15 77 Riverside NW Palomar Mtns., Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area 2643 Comment
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May 20 2012
  RSA49384  Galium stellatum Philip A. Munz 1949-4-12 13028 Riverside North base of Eagle Mts., Mojave Desert. 945 Comment
  CAS-BOT-BC217622  Galium stellatum subsp. stellatum Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9544 Riverside Cottonwood Springs Canyon Comment
  SBBG5336  Garrya flavescens H. and M. Dearing 1937-11-27 Riverside Santa Rosa Mtn Comment
  UCR209592  Garrya flavescens Robert J. Steers, Stan C. Spencer, Matt Willis 2009-6-1 s.n. Riverside San Gorgonio Pass, near the town of Cabazon, west side of the San Gorgonio River on the Morongo Indian Reservation, c. 0.2 mi. WSW of the corner of Dailey Rd. and Sullivan Rd. 675 Comment
  RSA97291  Garrya flavescens var. pallida F. W. Peirson 1933-4-13 10644 Riverside 1-2 miles SE of Palm Creek crossing, on road from Deep Canyon to Idyllwild, Santa Rosa Mts. 1524 Comment
  UCR160953  Gaura coccinea A. C. Sanders 2001-7-9 24465 Riverside Santa Ana River Valley/San Bernardino Valley, Riverside, weed in the UCR Botanic Garden 351 Comment
  UC64495  Gayophytum diffusum subsp. parviflorum H. M. Hall May, 1899 Riverside El Toro Mt. San Jacinto Mountains 2042 Comment
  RSA593765  Gazania linearis Steve Boyd 1996-4-14 8546 Riverside Santa Ana Mountains, along Main Divide Road, just east of Sierra Peak at divide between Fresno and Fremont canyons. 884 Comment
  UCR270194  Gazania linearis A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-3 42421 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, c. 0.3 km NW (161 deg. ) of water tank 473 Comment
  CAS-BOT-BC303575  Geraea canescens L. R. Abrams 1926-3-26 11093 Riverside Between Edom and Garnet, E of San Gorgonio Pass Comment
  POM358672  Geraea canescens M. B. Dunkle 1932-3-25 2917 Riverside 10 miles NW of Indio. Comment
  UC68869  Geraea canescens H. M. Hall 1905-4-1 5866 Riverside Chuckawalla Bench Colorado Desert, Chuckawalla Bench Comment
  POM12711  Geranium californicum P. A. Munz 1922-7-6 5985 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  RSA180450  Geranium dissectum E. W. Lathrop 1965-5-30 5783 Riverside 6 miles W of Murrieta. Comment
  CAS-BOT-BC536093  Gilia A. C. Sanders 2005-4-22 29610 Riverside Gavilan Hills: Gavilan Plateau ca. 0.75 air mi SE of summit of Gavilan Peak 624 Comment
  RSA0103445  Gilia Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8563 Riverside Garner Valley; west side of the highway, approximately 3.75 air miles southeast of Lake Hemet. 1370 Comment
  RSA470130  Gilia angelensis Christopher Davidson 1973-4-1 1832 Riverside Jct. Vail Lake Marina and Hwy. 71/79, about 3 miles west of Aguanga. 426 Comment
  RSA606302  Gilia angelensis Jon E. Keeley 1994-4-22 25337 Riverside Shipley Reserve. 590 Comment
  RSA800742  Gilia angelensis A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23968 Riverside Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipline route. 366 Comment
  SD140030  Gilia capitata Scott White 1993-4-22 1226 Riverside North Alberhill Ranch, in hills north of Walker Canyon. 487 Comment
  RSA774891  Gilia capitata subsp. abrotanifolia Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5032 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010 750 Comment
  HSC16999  Gilia caruifolia R. A. Eagle 1964-3-28 4 Riverside 3 mi. out of Banning on Hwy. 395 Comment
  RSA87943  Gilia diegensis Verne Grant 1954-6-10 19659 Riverside On top of a shoulder on Santa Rosa Mountain. 2134 Comment
  RSA470048  Gilia inconspicua P. A. Munz 1932-3-14 11988 Riverside Palm Springs. 91 Comment
  JOTR01155  Gilia latiflora subsp. davyi Cole, James E. 1941-4-15 597 Riverside Joshua Tree National Park. ONE MILE ABOVE PINON WELL 1493 Comment
  RSA0095188  Gilia ochroleuca subsp. exilis Steve Boyd 1981-5-15 s.n. Riverside Gavilan Hills region, Temescal Canyon at the confluence of 'Estelle Creek' and Temescal Creek, just northwest of the entrenched meander of Temescal Creek at the western base of Estelle Mountain. 317 Comment
  HSC16979  Gilia scopulorum C. L. Hitchcock, C. V. Muhlick 1964-3-22 23268 Riverside W end of Pinto Basin, Joshua Tree National Monument. Comment
  UCR149407  Gilia splendens Jeffrey Ross, Sam Lau, Jenny Phui 1998-5-30 91 Riverside San Gorgonio Pass, Morongo Indian Reservation, flat grassland along Millard Canyon Road leading up to Millard Canyon 618 Comment
  JOTR34011  Gilia stellata La Doux, Tasha, M. Harding 2010-4-7 2899 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
  RSA612952  Githopsis diffusa subsp. diffusa D. L. Banks 1997-3-29 1621 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border,, west of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  UC39037  Glyceria elata H. M. Hall Jul 1901 2457 Riverside Tauquitz Valley; San Jacinto Mountains 2133 Comment
  UCSB51364  Glyceria elata Roos, John 1965-7-3 Riverside Dark Canyon, San Jacinto Mtns. Comment
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May 21 2011
  CAS-BOT-BC282837  Glyceria striata H. M. Hall 1901-6-1 2244 Riverside Dark Canyon, San Jacinto Mountains 1828 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
  POM358794  Gnaphalium californicum M. M. Thompson, N. C. Cooper 1947-6-9 c 2064 Riverside Los Alomos Canyon, Elsinore. 762 Comment
  SDSU14083  Gnaphalium californicum Jonathan S. Austin, Michael G. Simpson 2002-4-20 12 Riverside Along northeastern part of Loop trail. Santa Margarita Ecological Reserve. 338 Comment
  UCR241196  Gnaphalium californicum Tracy Tennant, Jeffrey Ross 1998-7-11 MOR- 528 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  UCR135981  Gnaphalium canescens subsp. microcephalum A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27903 Riverside Peninsular Range, Alberhill Mountain, around dried pool in bottom of a large clay pit 445 Comment
  UCR264073  Gnaphalium microcephalum S. J. Myers, Vesta A. Myers, Bill Hopson 2015-1-2 1071 Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon, lower part of canyon, near Corona 427 Comment
  POM12962  Gnaphalium palustre P. A. Munz, I. M. Johnston 1922-5-19 5371 Riverside Menifee Valley. 412 Comment
  UCR22034  Gnaphalium palustre Steve Boyd 1980-5-11 257 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  UCR3583  Gnaphalium palustre Frank C. Vasek 1964-6-24 640624- 03 Riverside City of Riverside, University of California Riverside campus. Life Science greenhouse. 335 Comment
  UCR96868  Gnaphalium palustre Scott D. White 1993-4-25 1278 Riverside Winchester Hills area: agricultural fields, near vernal pools Comment
  SEINET10574792  Gossypium thurberi Unknownnown 1968-8-22 Johnson LA- 1479 Riverside Cultivated. grown at UCR, field 21, planted in 1965. Received from USDA, Beltsville, maryland, via T. Richmond, Texas A & M. Native to Arizona, Sonora & Chihuahua. Comment
  SEINET6075286  Gutierrezia californica Unknown 1996-7-23 4357 Riverside Pinyon Flat Area Comment
  RSA0121079  Gutierrezia microcephala Sherwin Carlquist 1958-10-12 630 Riverside Riverside - San Bdo. co. line. Comment
  SBBG34497  Gutierrezia sarothrae D. Myrick 1969-10-19 2126 Riverside Palms to Pines St Hwy 74, above Palm Desert 609 Comment
  UC1118588  Gutierrezia sarothrae C. Van Fleet 1931-1-22 547 Riverside Wilson Creek San Jacinto Quadrangle Comment
  UCR183164  Gutierrezia sarothrae Mitch Provance 2003-5-5 4411 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  RSA0066598  Harpagonella palmeri Steve Boyd 1991-5-7 6165 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  SD152935  Hazardia squarrosa var. grindelioides Steve Boyd, Tim Ross, Dave Bramlet 1992-9-9 7667 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek, up the San Mateo Trails north to Potrero de la Cienaga 395 Comment
  RSA713800  Hedera canariensis A. C. Sanders 2001-4-4 23910 Riverside Riverside: UCR campus; fence north of greenhouses SE of Boyce Hall, ca. 50 m west of E Campus Dr. 348 Comment
  UCR103728  Helianthus annuus A. C. Sanders 1997-3-19 20036 Riverside Lake Skinner area, S foot of Bachelor Mtn., across the northern arm of the lake from the boat ramp, from dirt track down to lakeshore 457 Comment
  UCR280917  Helianthus gracilentus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-6 617- 27 Riverside Temescal Valley, Property on S side of Temescal Canyon Rd., just W of Concordia Ranch Rd. 363 Comment
  UCR182435  Heliotropium curassavicum Mitch Provance 2005-5-17 6584 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  UCR33813  Heliotropium curassavicum Faulkner 1978-4-27 501 Riverside Sonoran (Colorado) Desert, 3 miles east of Blythe 137 Comment
  POM4999  Hemizonia fasciculata Charlotte M. Wilder 1905-6-10 126 Riverside Jurupa Hills Mts. Comment
  UCR133665  Hemizonia fasciculata Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  RSA500137  Hemizonia kelloggii Steve Boyd, T. S. Ross, L. Arnseth 1989-6-10 3673 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  UCR112494  Hemizonia kelloggii A. C. Sanders 1998-5-21 21870 Riverside Hemet, alkaline flats west of town, along Stetson Ave. west of Warren Rd. 457 Comment
  UCR98687  Hemizonia kelloggii S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  CAS-BOT-BC167006  Hemizonia mohavensis A. C. Sanders; Steve Boyd; Jeff Ross; Mitch Provance 1998-10-25 22273 Riverside San Jacinto Mtns.: Hwy 74, roadside seep ca. 2 miles below (west of) Mountain Center 1250 Comment
  UCR211859  Hemizonia mohavensis Valerie Soza, Steve Boyd, Neil Gilbert 2000-12-6 1063 B Riverside Peninsular Range; San jacinto Mountains, alongside Hwy 74, c. 1 mile west of junction with Hwy 243 in Mountain Center 1311 Comment
  UCR82771  Hemizonia mohavensis A. C. Sanders, T. Schram, D. Wappler 1994-10-4 15775 Riverside San Jacinto Mtns, N slope of the mtns: nameless tributary to Azalea Creek, c. 1 mi. due south of the Twin Pines Ranch buildings. 1128 Comment
  RSA554093  Hemizonia paniculata Chet McGaugh 1991-6-20 91 -3 Riverside Murrieta Hot Springs area: ca. 1 mile E of Highway I-215, S of and adjacent to Murrieta Hot Springs Road. 348 Comment
  RSA674594  Hemizonia paniculata Scott D. White 2000-5-5 7771 Riverside City of Murrieta: Vacant lot on N corner at intersection of Jefferson Av. and Murrieta Hot Springs Rd. 323 Comment
  UCR117711  Hemizonia paniculata Mitch Provance 1998-6-11 678 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville; housing development now known as Southridge 320 Comment
  UCR21142  Hemizonia paniculata Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  UCR239889  Hemizonia paniculata O. F. Clarke 2004-5-7 s.n. Riverside Peninsular Range; San Jacinto Valley, San Jacinto Wildlife Area 442 Comment
  RSA0008433  Hemizonia pungens subsp. laevis R. C. Bacigalupi, G. T. Robbins 1954-5-16 4466 Riverside Valley of San Jacinto River, one-half mile west of Lakeview and just east of Lakeview (formerly Ginsberg) Hot Springs. 433 Comment
  UCR89236  Hemizonia pungens subsp. pungens Scott D. White 1995-9-22 3685 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
  UCR89822  Hemizonia pungens subsp. pungens Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  RSA617160  Hesperocnide tenella Scott D. White, M. Jacobsmeyer 1996-4-20 3943 Riverside Bundy Cyn., SE of Lk Elsinore. About 1 rd. mi (0.2 mi) E of Bundy Cyn Rd. exit from I-15 freeway; 451 Comment
  SEINET4118150  Hesperocnide tenella J. Mygatt, M. Mygatt; A. Munson 1996-1 M- 96 -91 Riverside Box Spring Mountain Park; end of Two Trees Road, not far from the trail head. Comment
  UCR1555  Hesperocnide tenella David L. Davis 1962-5-15 34 Riverside Sycamore Canyon, about 1.5 mi south of Pennsylvania, 0.5 mi east of Canyon Crest Drive, Riverside 366 Comment
  RSA561014  Hesperolinon micranthum Steve Boyd, Tim Ross 1992-5-4 7196 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  RSA601195  Heterotheca fastigiata Scott D. White 1996-8-15 4473 Riverside San Jacinto Mtns. Idyllwild Area: Alvin Meadows and unnamed canyon upstream. (immed. adjacent to Idyllild topo) 1524 Comment
  SD136914  Heterotheca sessiliflora subsp. echioides Steve Boyd 1994-10-14 8381 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland Nationsl Forest. 299 Comment
  UC63207  Heterotheca sessiliflora subsp. echioides H. M. Hall Aug 1 1901-Aug 10 1901 2607 Riverside Strawberry Valley; San Jacinto Mountains 1615 Comment
  JOTR29275  Heterotheca villosa var. scabra La Doux, Tasha 2005-8-17 1545 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Wonderland Wash; north of Wall Street Mill parking area 1316 Comment
  UCR128306  Heuchera Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8637 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
  UCR216216  Hibiscus denudatus Jim Andre, T. La Doux 2009-2-25 10801 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains; c. 0.5 mi. south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  UCR213393  Hilaria rigida A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37456 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  RSA0118593  Hoffmannseggia microphylla Sarah J. J. De Groot, Cheryl Sevilla 2016-3-16 7648 Riverside Mecca Hills, side road MC 093 from Little Box Canyon Road. Side canyon forking north from Little Box Canyon, east of Box Canyon. East side of Mecca Hills, east-northeast of Mecca. 281 Comment
  UC2015587  Hoffmannseggia microphylla A. C. Sanders with G. Helmkamp & P. MacKay 1995-3-12 16091 Riverside Coachella Valley: alluvial slopes at the foot of Rabbit Peak, Santa Rosa Mtns., below Sheep Canyon. Comment
  UCR14038  Holocarpha virgata subsp. elongata Frank C. Vasek 1973-1 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, on border of Riverside and San Diego counties [De Luz region, prob. on Tenaja Rd.] 500 Comment
  UCR217500  Holocarpha virgata subsp. elongata Karyn L. Drennen 2009-6-19 1 Riverside Santa Ana Mtns- foothills, Santa Rosa Plateau, north of Monument Hill Rd 586 Comment
  CAS-BOT-BC285037  Hordeum depressum A. C. Sanders 1993-4-5 13697 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74) 460 Comment
  SD186037  Hordeum depressum A. C. Sanders 2003-5-9 26582 Riverside West of Hemet, west edgte of Warren road just north Highway 74. 456 Comment
  UCR121802  Hordeum depressum A. C. Sanders, Carolyn Washburn 2001-4-17 24052 Riverside San Jacinto Valley, southwest edge of Hemet, north of Stetson Av. midway between Warren Rd. and California Av., east of canal 457 Comment
  CAS-BOT-BC285110  Hordeum marinum subsp. gussoneanum Philip A. Munz 1937-3-27 14936 Riverside Overflow from Lake Elsinore, Elsinore 304 Comment
  SEINET271520 Image available Hordeum marinum subsp. gussoneanum A. C. Sanders, K. D. Jones; D. Malueg 1996-4-20 18042 Riverside San Jacinto River between Nuevo and Lakeview from 11th to 13th Streets alkaline flats along the east side of the river 433 Comment
  RSA0093141  Hordeum murinum Steve Boyd, Carol Boyd 2011-3-15 12304 Riverside Peninsular Ranges, Santa Rosa Mountains region.: Western base of Eisenhower Mountain, southeast of the Living Desert at mouth of Deep Canyon. 366 Comment
  UCR207345  Hordeum murinum O. F. Clarke 2004-2-8 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  POM352475  Hordeum murinum subsp. leporinum Mark Morris 1929-3-3 s.n. Riverside Indian Canyon Comment
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Nov 9 2011
  SDSU17483  Hordeum murinum subsp. leporinum Jerry Jenkins 2001-3-30 2001 -003 Riverside Santa Margarita Ecological Reserve. Edge of driveway. UTM zone 6, 482100E, 3699010N. UTM transfered to GIS. Comment
  SBBG100515  Hordeum vulgare W. L. Halvorson 1977-1-4 77 -229 Riverside Corona Comment
  UC12390  Horkelia clevelandii H. M. Hall 1897-6-16 648 Riverside San Jacinto Mountains, Strawberry Valley 1615 Comment
  UCR146439  Horkelia clevelandii R. F. Thorne, Et al. 1969-6-24 38078 Riverside Peninsular Ranges; San Jacinto Mountains, San Bernardino National Forest, above James Reserve in Hall Canyon 1677 Comment
  RSA0026267  Horkelia cuneata subsp. cuneata Fred M. Roberts 2013-6-7 7781 Riverside Peninsular Ranges: Santa Ana Mtns.: Tributary to Upper San Juan Canyon near Chiquito Basin Trail, 1.1 kilometers NNW Upper San Juan Campground. 518 Comment
  UCSB26736  Hulsea vestita subsp. callicarpha Wilken, Dieter 1969-6-30 Riverside Along road to Toro Peak, 5.9 miles south of California State Highway 74, Santa Rosa Mtns. 2346 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
  RSA561119  Hydrocotyle umbellata Steve Boyd, Tim Ross, David E. Bramlet 1993-5-12 7317 Riverside Southern Santa Ana Mountains, Sant Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon. 365 Comment
  POM361065  Hymenoclea salsola Ora M. Clark 1929-3-17 1733 Riverside N. La Quinta, Colorado Desert. Comment
  POM361076  Hymenoclea salsola Elbert Benjamine 1929-4-6 s.n. Riverside Coachella Valley, Colorado Desert. Comment
  RSA733690  Hymenoclea salsola Keith E. Hoffmaster 1933-4-14 364 Riverside Palm Springs Comment
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Aug 27 2011
  UCR213841  Hymenopappus filifolius Scott D. White, Justin M. Wood 2009-5-21 12860 Riverside San Jacinto Mountains, Garner Valley, near abandoned duck ponds, south of Quinn Flat 1366 Comment
  UC667320  Hymenoxys cooperi Annie M. Alexander and Louise Kellogg 1941-5-4 2116 Riverside sandy flat near edge reservoir; Joshua Tree National Monument, Barker Dam 1325 Comment
  CAS-BOT-BC401316  Hypericum scouleri Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  UC1931097  Hypericum scouleri Scott D. White, Justin Wood 2008-7-8 12369 Riverside San Jacinto Mountains: Hurkey Creek Watershed - Bonita Vista Rd. ca. 1/2 miles E and W of Hurkey Creek crossing. Comment
  CAS-BOT-BC219736  Hyptis emoryi P. Munz 1919-3-25 2304 Riverside Palm Springs Comment
  CDA40746  Hyptis emoryi G. D. Barbe, J. L. Johnson 1982-11-2 4025 Riverside 3 miles west of Indian Well on Bradshaw Trail, south of Chuckwalla Mountains, southern Riverside County. 0 Comment
  JOTR35336  Hyptis emoryi Harding, Mitzi, Mark Wheeler 2012-2-28 102 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; southeastern most canyon in the range (Stop 2) 265 Comment
  LA61824  Hyptis emoryi Elizabeth McClintock; L. Erickson 1937-11-6 sn Riverside Box Canyon Comment
  PASA1154  Hyptis emoryi M. Stason, F. Brubaker 4/28 Riverside Desert wash - Hidden Springs Comment
  RSA1268  Hyptis emoryi B. D. Stark 1930-4-1 1498 Riverside Near Cathedral City. Comment
  RSA420174  Hyptis emoryi M. B. Dunkle 1932-3-25 2907 Riverside Palm Springs. Comment
  UCD166271  Hyptis emoryi Jack Major 1962-4-17 786 Riverside On CA HWY 74 from Pinyon Flat to Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 435 Comment
  UC1184104  Isocoma acradenia var. acradenia Jerry Powell 1960-10-19 Riverside 7 mi n Temecula Comment
  LA203674  Isocoma acradenia var. eremophila A. M. Johnson; 1933-4-28 4207 Riverside E of Cook's Ranch, 4 mi. N of Indian Wells, and 15 mi. below Palm Springs Comment
  RSA787266  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
  RSA787275  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37142 Riverside Box Springs Mtns. Foothills, Riverside, eastern side of UCR Campus in canyon below botanical garden 320 Comment
  UC483328  Juncus acutus subsp. leopoldii W. R. Dudley 1894-8-20 Riverside 6 mi e Indio (near Palm Grove) Comment
  SEINET1004544  Juncus balticus Mitch Provance 2005-1 9806 Riverside Warm Springs Valley; Nichols road wetland area at Alberhill Creek, S 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
  UCR264640  Juncus balticus Mitch Provance 2013-4-8 413- 02 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  RSA336180  Juncus bufonius Robert F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 51978 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  UCR117312  Juncus bufonius A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 735 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  CAS-BOT-BC110089  Juncus cooperi A. C. Sanders; P. MacKay; G. Helmkamp; J. Stewart; C. L. Sanders 1994-12-4 15887 Riverside Colorado Desert, Salton Sink. Dos Palmas Spring and immediated vicinity. -30 Comment
  SEINET11789580  Juncus effusus M. F. Spencer 1921-1 11 Riverside Saboba Hot Springs, San Jacinto Mountains Comment
  UC1106411  Juncus mexicanus Peter Kamb 1948-7-4 1164 Riverside Hall Canyon San Jacinto Mts. 1645 Comment
  RSA191406  Juncus rugulosus E. W. Lathrop, Robert F. Thorne 1967-9-26 6618 Riverside Tenaja Guard Station, 10 miles NW of Murrieta. Comment
  SEINET10755901  Juncus rugulosus J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12832 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then a few kilometers on Whitewater Canyon Road to where it comes closest to the river. Comment
  SEINET1908445  Juncus rugulosus A. C. Sanders, Mitch Provance 2008-1 35777 Riverside Peninsular Range; San Jacinto Mtns.: FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station. 1463 Comment
  UCR164070  Juncus rugulosus John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, Los Alamos Canyon 1.5 mi. SW of Los Alamos Ranch, just outside Cleveland Nat. Forest boundary 564 Comment
  CLARK-A1528-2666  Juniperus californica John C. Roos 1947-2-15 3265 Riverside Eagle Mountains Comment
  CLARK-A1528-2670  Juniperus californica John C. Roos 1947-2-15 3265 Riverside Eagle Mountain Comment
  JEPS48325  Juniperus californica W. L. Jepson and W. C. Mathews 1914-5-18 6035 Riverside Pinyon Well Colorado Desert, Pinyon Well Comment
  UCD133743  Juniperus californica Jo Ann Olson; Gary R. Robbins 1969-3-29 19 Riverside Pinyon Flat Campground, San Bernardino National Forest, 16 miles southwest of Palm Desert. 1226 Comment
  CAS-BOT-BC234580  Justicia californica J. H. Thomas 1949-2-28 59 Riverside Southern part of Palm Springs Comment
  RSA398813  Justicia californica H. de Forest 1924-4-13 s.n. Riverside Tahquitz Canyon. 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
  RSA683920  Kallstroemia californica Michael Denslow 2003-9-13 1552 Riverside Shavers Valley; I-10 at Mecca Exit, Box Springs Road. 470 Comment
  CAS-BOT-BC434233  Keckiella antirrhinoides Tracy Tennant; Jeffrey Ross 1998-4-30 MOR- 01 Riverside San Bernardino Mtns. Foothills: Morongo Indian Reservation, just inside gate at mouth of Hathaway Canyon. 741 Comment
  RSA424827  Keckiella antirrhinoides E. Mannatt 1931-4-19 s.n. Riverside Hemet Comment
  RSA714431  Keckiella antirrhinoides A. C. Sanders 2004-5-12 27863 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  UC1537425  Keckiella antirrhinoides Gordon H. True Jr. 1935-3-13 97 Riverside Mockingbird Canyon 457 Comment
  UCR149864  Keckiella antirrhinoides Scott D. White, Michael Honer 2004-4-6 10046 Riverside Perris/Elsinore Basins, Temescal Valley: just N of the I-15 freeway and east of Indian Truck Trail, S and west of Lee Lake 396 Comment
  SEINET13768169  Keckiella antirrhinoides I. W. Clokey, E. G. Anderson 1936-4-16 6885 Riverside East of Hemet along San Jacinto River 600 Comment
  CAS-BOT-BC236712  Keckiella antirrhinoides subsp. antirrhinoides Marcus E. Jones 1882-4-27 3178 Riverside Colton Comment
  RSA401719A  Keckiella antirrhinoides subsp. microphylla Julian P. Donahue 1984-10-6 90405 Riverside Pinyon Crest, Pinyon Flat, between San Jacinto and Santa Rosa Mts. 1250 Comment
  RSA6731  Keckiella antirrhinoides subsp. microphylla B. D. Stark 1933-4-2 4534 Riverside Pinyon Flats, San Jacinto Mts. Upper Sonoran, (Palms) to Pine Road. 1220 Comment
  NY786549  Keckiella antirrhinoides var. antirrhinoides D. L. Banks 1996-5-2 931 -A Riverside Northwest Palomar Mountains; Agua Tibia Mountains; northwest foothills of Dorland Mountain; south end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along the broad alluvial benches just to the southeast of the gate to the Preserve. 448.1 Comment
  JEPS26109  Keckiella antirrhinoides var. microphylla Peter H. Raven 1958-5-18 12995 Riverside 4.9 mi ne Pinyon Flats (along State Highway 74); San Jacinto Mountains Comment
  UC887173  Keckiella antirrhinoides var. microphylla B. D. Stark 1933-5-13 Riverside 8 mi up Palma to Pines Highway; San Jacinto Mts 1219 Comment
  RSA131402  Keckiella cordifolia E. K. Balls 1958-6-27 23283 Riverside Yellow Pine Forest, upper edge. 5 mi. se. from Silverado (Gate), Silverado Canyon. 1098 Comment
  RSA16372  Keckiella cordifolia Percy C. Everett 1935-6-17 7159 Riverside Coldwater Canyon Trail to Santiago Peak., 2 miles above Glen Ivy Resort. 610 Comment
  RSA543939  Keckiella cordifolia Steve D. Boyd 1991-5-10 6217 Riverside Santa Ana Mountains, base of range, just N of mouth of Hagador Cyn at bottom of Skyline Drive. 427 Comment
  UCR251872  Keckiella cordifolia M. A. Voeltz 2014-5-25 s.n. Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon near Corona, Cleveland National Forest, Trabuco Ranger District 403 Comment
  POM11200  Keckiella rothrockii subsp. jacintensis Philip A. Munz 1922-7-5 6008 Riverside Tahquitz Valley, San Jacinto Mountains 2256 Comment
  SFV16973  Keckiella rothrockii var. jacintensis P. Wilson, M. S. Valenzuela 1997-7-25 3512 Riverside San Jacinto Mountains Near Round Valley Camp. 3000 Comment
  UCR119420  Kochia scoparia Mitch Provance 1998-6-20 710 Riverside Jurupa Mountains, Glen Avon Heights, on the north side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  RSA0014927  Koeleria macrantha LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6150 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
  RSA0029090  Koeleria macrantha John F. Emmel 1994-5-21 1307 Riverside West Ridge, SW of Idyllwild; slope 0.1 air mi NW of Inspiration Point. 1598 Comment
  CLARK-A1528-5687  Krameria grayi John C. Roos 1937-4-23 796 Riverside Whitewater Comment
  JOTR32436  Krameria grayi La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2258 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; granite and basalt rocky slopes above bouldery draws feeding into Pleasant Valley (Stop 3) 1041 Comment
  POM1809  Krameria grayi I. M. Johnston 1917-4-4 s.n. Riverside Andreas Canon. Comment
  RSA161283  Krameria grayi Peter H. Raven 1958-5-18 12993 Riverside 4.9 miles NE of Pinyon Flats, San Jacinto Mtns. Comment
  RSA336190  Krameria grayi Robert F. Thorne, Walter Wisura, A. Shmida, Thomas W. Whitaker 1978-4-23 52011 Riverside Chino Canyon. Comment
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Apr 24 2011
  RSA408611  Krameria grayi Emery M. Whilton 1937-4-19 s.n. Riverside Palm Springs. Comment
  UC1563078  Krameria grayi Steve Boyd and Orlando Mistretta 1986-3-13 1477 Riverside ne Desert Center (first large canyon at nw tip of western segment of range); w side Palen Mts Comment
  CLARK-A1528-1976  Lactuca serriola John C. Roos 1965-10-7 Riverside Beaumont Comment
  UCR275220  Laennecia coulteri A. C. Sanders, Karen Kirtland 2016-9-23 42626 Riverside San Jacinto Valley, edge of Mystic Lake at duck hunting ponds below abandoned dairy south of Gilman Springs Rd. between Jack Rabbit Tr. and Eden Hot Springs Rd. 434 Comment
  UCR133687  Lamium amplexicaule Chet McGaugh 2003-5-10 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  OBI8642  Larrea divaricata Robert F. Hoover 1969-4-11 11216 Riverside Mouth of Morongo Valley Cyn Comment
  JOTR31951  Larrea tridentata La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2188 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky drainages feeding into southwest Pinkham Wash Comment
  LA209858  Larrea tridentata Leo Boyd; 1953-5-24 Riverside 11 mi. SW of junction of CA highways 74 and 111, on highway 74 Comment
  LA209859  Larrea tridentata A. H. Lange; 1951-5-27 sn Riverside Santa Rosa Mountains, 5 mi. N of Pinyon Flats 609 Comment
  RSA0087457  Larrea tridentata Sarah J. De Groot, Amy Rouillard 2015-9-15 7569 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  UC571107  Larrea tridentata Margaret Stason 1927-3-12 Riverside Painted Canyon; Colorado Desert Comment
  UC665863  Larrea tridentata Ira L. Wiggins 1941-3-24 9567 Riverside 0.3 mi s Myoma (4.6 mi n of Indio) Comment
  RSA593997  Lastarriaea coriacea D. L. Banks, Elizabeth Hedge Banks 1996-5-2 940 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
  CAS-BOT-BC353279  Lasthenia coronaria H. M. Hall 1903-4-1 3714 Riverside Vicinity of Riverside 426 Comment
  UC1979572  Lasthenia coronaria Darin L. Banks, Steve Boyd 1995-5-9 0363 Riverside NW Palomar Mtns., N of the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. Comment
  UCR101839  Lasthenia coronaria B. G. Pitzer 1997-4-1 3061 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  UCSB12880  Lasthenia coronaria 1962-3-11 Riverside San Jacinto River, 6.5 miles southeast of State 79, on State 74 in Hemet 579 Comment
  RSA574752  Lasthenia glabrata subsp. coulteri Steve Boyd, A. C. Sanders 1980-5-19 s.n Riverside San Jacinto Valley, of the San Jacinto River floodplain along the Ramona expressway near Lakeview. Comment
  UCR275228  Lasthenia glabrata subsp. coulteri Allison D. Rudalevige 2012-4-25 004 Riverside Perris-Aguanga Basin Region, east of Menifee, c. 1.2 miles west of Skinner Reservoir, drainage south of Shrimp Ln, between Washington St. and Pourroy Rd. 424 Comment
  UCR88737  Lasthenia gracilis A. C. Sanders, K. C. Rose 1995-4-5 16372 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  POM2641  Lathyrus vestitus subsp. laetiflorus P. A. Munz 1918-4-27 2127 Riverside Elsinore Comment
  UCR34929  Layia glandulosa L. B. Ziegler 1972-5-4 452 Riverside San Jacinto Mtns, Hemet (Garner) Valley area in Apple Canyon (east of Hemet Lake). 1433 Comment
  SEINET11447836 Image available Layia platyglossa F. Gillman 1904-1 4 Riverside Banning Comment
  UC62907  Layia platyglossa H. M. Hall 1902-4-21 2935 Riverside vicinity Riverside 487 Comment
  UCR34928  Layia platyglossa L. B. Ziegler 1969-5-10 361 Riverside Peninsular Range; San Jacinto Mtns., Hemet Valley 1402 Comment
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Jan 8 2013
  UCR48498  Lemna gibba Steve Boyd 1986-5-5 1851 Riverside Gavilan Hills, Estelle Mtn. Head of large canyon draining the SE side of Estelle Mtn. Comment
  CAS-BOT-BC534387  Lemna gibba I. M. Johnston 1925-7-7 5281 Riverside Santa Ana River, 3 miles South of Wineville 182 Comment
  UCR234989  Lemna minor A. C. Sanders, John F. Green 2012-5-27 40216 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Creek at I-15 crossing, between Alberhill and Horsethief Canyon 363 Comment
  UCR281001  Lepidium densiflorum Mitch Provance, John Hazlett 2017-4-27 417- 39 Riverside Elsinore Trough, Lake Elsinore, S end of Birch St., 0.1 mi W of Chaney St. and Education Way 386 Comment
  CAS-BOT-BC88947  Lepidium dictyotum Steve Boyd 1986-4-2 1623 Riverside Gavilan Plateau, Gavilan Hills. Harford Springs County Park. In southeast corner of park. 640 Comment
  RSA668475  Lepidium fremontii S. Granger 1979-4-5 s.n. Riverside Chuckawalla Mountain. Comment
  UCR245663  Lepidium fremontii var. fremontii Duncan S. Bell 2010-4-2 691 Riverside Arica Mountains: along the ridgeline of the mountain range about 0.3 air mile north of the summit 561 Comment
  CAS-BOT-BC89582  Lepidium lasiocarpum Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2122 Riverside North end of Palen Mountains, 2 miles west of Palen Pass. 300 Comment
  RSA429927  Lepidium lasiocarpum E. A. McGregor 1964-3-24 s.n. Riverside Near Desert Center, Hwy 60 Comment
  UCR281215  Lepidium latipes Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-10 417- 21 Riverside Elsinore Trough, Baker St., 0.05-0.15 miles SE of Pierce St. [NW edge of city of Lake Elsinore, near Terra Cotta] 384 Comment
  CDA24948  Lepidium strictum A. C. Sanders 2001-5-1 24068 Riverside San Bernardino Valley region; Riverside, UCR campus, off Linden Drive in married student housing area, near corporation yard. Comment
  SBBG101691  Lepidium virginicum S. Boyd with T. Ross 1991-6-14 6361 Riverside Warm Springs Crk at the NE end of Hogbacks Ridge, from Alamos Rd, S to confluence with Adobe Spring tributary, 2-3 mi NW of Murrieta Hot Springs Comment
  SBBG37499  Lepidium virginicum R. N. Muller 1967-5-5 33 Riverside UC Riverside campus, on S side of first E-W ridge S of irrigation reservoir Comment
  SBBG70852  Lepidium virginicum R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns 1645 Comment
  CAS-BOT-BC13021  Lepidium virginicum Lewis S. Rose 1957-1-3 57004 Riverside La Quinta. 15 Comment
  RSA522758  Lepidium virginicum var. robinsonii Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3865 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
  RSA588597  Leptochloa fusca subsp. uninervia D. L. Banks, Steve Boyd 1995-10-17 808 Riverside NW Palomar Mountains. Agua Tibia Mountains. Cleveland National Forest. Agua Tibia Wilderness Area. Along lower Arroyo Seco. S of the Dripping Springs Campground;, Along the narrow benches where Arroyo Seco turns E, just W of the Metasedimentary hills. 524 Comment
  UCR4130  Leptodactylon californicum subsp. leptotrichomum Ronald M. Cope 1965-3-20 s.n. Riverside San Jacinto Mtns., beside road from Idyllwild to Banning, seven miles below Lake Fulmor [vicinity of McMullen Flat] 1220 Comment
  POM13671  Leptosiphon floribundus P. A. Munz 1922-6-27 5859 Riverside Santa Rosa Mountains: Santa Rosa. 2012 Comment
  POM65218  Leptosiphon liniflorus George F. Reinhardt 1897-06 11550 Riverside San Jacinto Mts. Comment
  RSA192028  Leptosiphon liniflorus E. W. Lathrop 1966-5-15 6325 Riverside Tenaja Guard Station, Trabuco District, Cleveland National Forest. Comment
  POM128367  Leptosiphon pygmaeus subsp. pygmaeus Thos. Craig 1927-4-23 202 Riverside Glen Ivy. Comment
  UCR41320  Lessingia filaginifolia N. M. Fellows 1984-11-12 34 Riverside San Jacinto Mtns., Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mtn. 489 Comment
  CDA8186  Lessingia filaginifolia var. filaginifolia T. C. Fuller 1961-10-18 7158 Riverside Highway 91, 0.5 mile east of Prado Dam Road, Santa Ana River Canyon. 0 Comment
  POM197771  Lessingia glandulifera var. glandulifera John T. Howell 1927-8-2 2909 Riverside Idyllwild, near Strawberry Valley. San Jacinto Mts. Comment
  RSA793267  Lessingia glandulifera var. glandulifera Aaron C. Sedgwick, April Garbat 2012-5-5 97 Riverside West of San Jacinto Forest Service land and south of Hwy. 74. Entry point is from an unmarked road just ~1000 ft. west of the ranger station. Continue through citrus groves to BLM land located in a canyon south of the groves. 610 Comment
  OBI69966  Leymus condensatus L. LaPre 1988-6-3 s.n. Riverside Indian Trls project site, Indian Truck Trl exit on W side of I-15 fwy in Temescal Cyn, ca 1/4 mi from the fwy near the dirt rd Comment
  UCR113537  Leymus condensatus Mitch Provance 1998-6-6 687 B Riverside Jurupa Mountains, Jensen Quarry, Sunnyside area on W side of Sierra Blvd, just east of corner of 29th St. and Scenic Drive 262 Comment
  UC106812  Leymus triticoides H. M. Hall 1904-5-19 4959 Riverside Fairmount Peak Vicinity of Riverside 243 Comment
  CAS-BOT-BC451633  Lilaea scilloides Robert F. Thorne 1974-5-23 44677 Riverside Santa Rosa Plateau, Rancho California: at N base of Mesa de Colorado 609 Comment
  UCR189810  Lilium parryi Josh Koepke 2005-8-10 067 Riverside Peninsular Range- San Jacinto Mountains, Northern region of San Jacinto Mts, c. 1 km northeast of Highway 243, in stream above (east) Dark Canyon campground road 1767 Comment
  RSA788872  Limosella acaulis Gary D. Wallace 2003-7-8 4053 Riverside Hidden Lake. Comment
  JEPS58187  Linanthus aureus W. L. Jepson 1928-4-23 12554 Riverside 2.5 mi below Cottonwood Springs; Colorado Desert, Eagle Mts. 487 Comment
  JOTR33964  Linanthus bigelovii La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2850 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
  RSA747874  Linanthus dianthiflorus Justin M. Wood 2009-5-11 695 Riverside Garner Valley, Quinn Flat area. 1372 Comment
  SJSU8696  Linanthus dianthiflorus N. D. Addy 1962-4-16 Riverside Railroad Canyon Rd 3 mi N of Lake Elsinore Comment
  POM364587  Linanthus dianthiflorus subsp. dianthiflorus Ora M. Clark 1929-3-16 H.- 6998 Riverside South of Cabazon. Comment
  POM191837  Linanthus jaegeri H. M. Hall 2323 Riverside Tahquitz Peak. Comment
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Oct 29 2006
  UCR213830  Linanthus liniflorus Scott D. White, Justin M. Wood 2009-5-21 12845 Riverside San Jacinto Mountains, McMullen Flat area, 0.35 north on Valley Hi Drive, from intersection with Twin Pines Road 1201 Comment
  RSA357775  Linanthus maculatus R. F. Thorne, M. Z. Thorne 1973-3-30 42656 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs 488 Comment
  JOTR37477  Linanthus pungens Hodges, Stephen, T. Green 2016-5-5 598 Riverside Joshua Tree National Park. Little San Bernardino Mountains; canyons below Upper Covington Flats, southwest of Covington Crest trail (Stop 2) Comment
  UC126713  Lipocarpha occidentalis F. M. Reed 1908-7-2 2443 Riverside San Jacinto Mountains, Lake Surprise Lake Surprise; San Jacinto Mountains, Lake Surprise Comment
  UC489224  Listera convallarioides C. V. Meyer 1928-7-24 520 Riverside s slope Marion Mt.; San Jacinto Mts. 2133 Comment
  UCR241010  Lithophragma Tracy Tennant 1998-3-11 204 Riverside North Hills, Domenigoni Valley area, SE of Winchester 694 Comment
  RSA0010981  Lithophragma affine P. A. Munz, I. M. Munz 1922-5-19 5387 Riverside 3 miles west of Keen Camp. 1494 Comment
  UC120278  Loeflingia squarrosa var. squarrosa D. Cleveland 1882-5-3 Riverside San Jacinto Plain Comment
Read comments
Nov 9 2009
  RSA796334  Loeseliastrum matthewsii Duncan S. Bell 2009-4-18 200 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
  POM75005  Loeseliastrum schottii Marcus E. Jones 1906-4-27 9983 Riverside Palm Springs. Comment
  UC1714468  Loeseliastrum schottii E. E. Schellenger 1906-4-3 14 Riverside Colorado Desert, Santa <Marie> Mts. Comment
  SEINET200238 Image available Logfia arizonica Herbert L. Mason 1952-1 14208 Riverside Palm Canyon near Palm Springs Comment
  UC2015535  Logfia filaginoides A. C. Sanders with G. Helmkamp, P. MacKay, et al 1995-3-19 16158 Riverside Coachella Valley/San Jacinto Mtns. Foothills, alluvial fan of Chino Canyon along the Palm Springs tram road, N of the road 14 telephone poles above Highway 111 (Palm Canyon Dr.). Comment
  UCR243127  Logfia gallica Kate Kramer 2012-5-8 258 Riverside Peninsular Range; San Jacinto Mountains, c. 0.25 km east of National Forest Land boundary on north side of Hwy 74 near the Cranston Fire Station 575 Comment
  RSA511058  Lolium perenne Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca. 1 mi SE of town on Nuevo. 640 Comment
  RSA595327  Lolium perenne D. L. Banks, Victor Steinmann 1996-4-20 0877 B Riverside Temecula, at Mobil Gasoline Station on Bedford Ct., approximately 0.1 miles E on Hwy 79 from I-15 off ramp. Collected in disturbed field and along wall of adjacent apartment complex, SE of the Gas Station. Comment
  UCR160934  Lomatium A. C. Sanders 1994-5-30 14598 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  UCR80526  Lomatium dasycarpum Scott D. White 1992-4-19 92- 129 Riverside San Jacinto Mountains, Garner Valley near Kenworthy Station Comment
  RSA452089  Lomatium dasycarpum subsp. dasycarpum N. C. Cooper 1944-6-4 1324 Riverside Elsinore Mountain; Lookout at top. 1066 Comment
  POM15040  Lomatium lucidum Mary F. Spencer 1922-4-25 s.n. Riverside Lamb Canyon Pass, Banning. Comment
  RSA180447  Lomatium lucidum E. W. Lathrop 1965-5-18 5755 Riverside 8 miles W of Murrieta; hills around 300 ft high 609 Comment
  SEINET4310261 Image available Lomatium lucidum J. C. Roos 1965-1 Riverside Sky Line Drive, S. of Corona, Santa Ana Mts. Comment
  UCR115430  Lomatium lucidum Scott D. White, D. E. Bramlet 1999-4-22 7245 Riverside Lake Skinner area, Ridgetop, north, west, and northwest facing slopes of Bachelor Mtn. 762 Comment
  JOTR16546  Lomatium mohavense Walters, Jim 1967-3-14 s.n. Riverside Joshua Tree National Park. 1/2 MILE SOUTH OF JUMBO ROCKS Comment
  JOTR34479  Lomatium mohavense Andre, Jim 2012-4-16 20960 Riverside Joshua Tree National Park. Queen Valley; north side of Ryan Mtn. at Sheeps Pass campground area. 1370 Comment
  OBI52756  Lomatium utriculatum L. LaPre, J. Eason 1988-1-27 s.n. Riverside Santa Rosa Plateau, Mesa de Burro, Santa Rosa Springs Ranch Comment
  RSA655088  Lomatium vaginatum Scott D. White 2000-4-17 7656 Riverside Menifee / Sun City Area: South of McColl Ave. and east of I-215 freeway. 442 Comment
  OBI77147  Lonicera subspicata var. denudata David J. Keil 1983-4-15 16894 Riverside East of Temecula on SR79. Comment
  RSA115034  Lonicera subspicata var. denudata E. K. Balls 1955-07 20973 Riverside San Jacinto Mountains, Hwy 74, Hemet to Idyllwild, 2.8 miles NW from Mountains Center. 1189 Comment
  RSA609829  Lonicera subspicata var. denudata R. S. Woglum 1937-5-22 530 Riverside Temecula. Comment
  SDSU13581  Lonicera subspicata var. denudata W. Miller with C. Mosse 1972-7-20 Riverside Comment
  RSA709073  Lotus argophyllus T. B. Salvato, John Green 2004-5-27 632 Riverside Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp. 1402 Comment
  RSA406722  Lotus argophyllus var. argophyllus Anstruther Davidson 1893-4-12 s.n Riverside Palm Springs. Comment
  POM12751  Lotus crassifolius P. A. Munz 1922-7-7 6061 Riverside Fern Valley Comment
  UCSC000380  Lotus crassifolius I. J. Condit 2010-6-22 s.n. Riverside along stream San Jacinto Mts. 2591 Comment
  PASA1086  Lotus grandiflorus Frank W. Peirson 1924-7-27 Riverside Dark Canyon, San Jacinto Mts. 1706 Comment
  POM226886  Lotus hamatus L. R. Abrams 1935-4-7 13677 Riverside 2 mile SW of Perris. Comment
  RSA715069  Lotus hamatus A. C. Sanders, D. Malueg 2003-5-8 26568 Riverside Perris-Aguanga Basin region: Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek. 396 Comment
  UCR158714  Lotus hamatus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30003 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  SEINET3696056 Image available Lotus heermannii B. Ertter, J. Strachan 1979-6-26 2988 Riverside Banning-Idyllwild Road at Black Mtn turnoff, San jacinto Mts Comment
  UCR48479  Lotus humistratus Steve Boyd 1986-4-2 1586 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  POM307257  Lotus nevadensis var. nevadensis Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2129 Riverside Santa Rosa Mountains. Comment
  RSA160514  Lotus nevadensis var. nevadensis J. D. Olmsted 1959-5-23 657 Riverside Desert Sun School near Idyllwild 1646 Comment
  UCR202591  Lotus oblongifolius Scott D. White, Justin M. Wood 2008-7-8 12371 Riverside San Jacinto Mountains, Hurkey Creek Watershed - Bonita Vista Road, c. 1/2 mi east and west of Hurkey Creek crossing 1537 Comment
  HSC98239  Lotus rigidus C. L. Hitchcock 1966-3-16 24197 Riverside Along Palms to Pines Hwy., 10 mi. S of Palm Desert Comment
  RSA406789  Lotus rigidus M. B. Dunkle 1935-3-31 4438 Riverside Cottonwood Springs. Colorado Desert. 701 Comment
  RSA775300  Lotus rigidus Duncan S. Bell 2011-3-18 2057 Riverside Chuckwalla Mountains; north side of mountain range approximately 3 air miles southeast of Desert Center. 392 Comment
  UC111311  Lotus rigidus S. B. Parish 1907-4-22 6147 Riverside w edge Colorado Desert; , Palm Canyon 200 Comment
  UCR122769  Lotus rigidus George K. Helmkamp, E. A. Helmkamp 1998-4-24 3376 Riverside Santa Rosa Mountains, Pinyon Pines along Calif. Hwy 74 between the San Jacinto and Santa Rosa Mountains 1296 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
  CSUSB1267  Lotus scoparius Ray O. Perez 1955-5-5 Riverside shady bank 200 yards east of life science building (UCR campus) Comment
  UCR250883  Lotus scoparius subsp. brevialatus S. J. Myers, Jennifer Tobin, Michelle Tobin 2013-3-13 1052 Riverside Lakeview Mountains, along powerline access road 0.22 mi. NE (25 deg. ) of intersection of Contour Ave. & Truffaut Dr. 613 Comment
  RSA652458  Lotus scoparius var. brevialatus Marion P. Harthill 1973-2-17 1574 Riverside Snow Creek, Palm Springs 366 Comment
  RSA319651  Lotus scoparius var. scoparius Patricia Wilder 1971-5-13 4945 Riverside Prado Flood control Basin; along bank at east end of top of Prado Dam. 213 Comment
  CSUSB1251  Lotus strigosus unknown 1957-5-1 Riverside Pigeon Pass Comment
  UC1563070  Lotus strigosus Steve Boyd and Orlando Mistretta 1986-3-13 1434 Riverside ne of Desert Center (jct of Parker Dam Rd and 'Palen Rd' (rd going through pass between Palen and Granite Ranges); Palen Mountains 243 Comment
  UCR169857  Lotus strigosus T. B. Salvato, John F. Green 2004-5-27 589 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
  UCR173155  Lotus strigosus Abby Sirulnik 2000-4-13 11 Riverside Peninsular Ranges, Southwestern Riverside County Multispecies Reserve, c. 3 mi NE of Skinner Reservoir 610 Comment
  UCR250309  Lotus strigosus A. C. Sanders 2014-4-8 40983 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 0.5 km NW of El Hermano Rd., c. 0.8 km SE of I-15 crossing 315 Comment
  CLARK-A1528-2812  Lotus tomentellus John C. Roos 1937-4-18 1355 Riverside Whitewater Comment
  RSA33840  Lupinus albifrons N. C. Cooper 1944-4-22 1124 Riverside Banning. 762 Comment
  POM349976  Lupinus arizonicus M. B. Dunkle 1937-3-25 4959 Riverside Dry Morongo. Comment
  RSA160028  Lupinus arizonicus David B. Dunn 1946-2-22 1965 Riverside All American Canal catch basin from desert washes. Orocopia Mts. north east of the Salton Sea. Comment
  SBBG38558  Lupinus arizonicus E. R. Blakley 1966-4-9 6755 Riverside 1 mi W of Desert Center on US Hwy 60-70 274 Comment
  SD237432  Lupinus arizonicus Dave Silverman, Mark Bibbo 2010-3-31 7887 Riverside UTM in Supplement.N. Palo Verde Mesa, E flank bajada of the McCoy Mtns, one mile W of Black Creek Rd, 5.3 km N of I-10 and 6.5 km ENE of McCoy Peak. Comment
  SEINET6180890  Lupinus arizonicus David B. Dunn 1946-3-16 2060 Riverside Collected on dry plateau 1/2 mile Northeast of Pushawalla Palms (Springs). Indio Hills.; 0 Comment
  JEPS65415  Lupinus bicolor W. L. Jepson 1935-4-19 17078 Riverside San Gorgonio Pass Comment
  CLARK-A1656-820  Lupinus concinnus Theo Glenn 1982-4-23 Riverside Cottonwood Canyon Comment
  UCR164571  Lupinus concinnus S. J. Myers 2001-4-18 s.n. Riverside San Jacinto Mtns., Bautista Canyon near Tripp Flats Rd. 1183 Comment
  SEINET6932666 Image available Lupinus densiflorus W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside 2.5 miles west of Route U.S. 395 and ca. 5.0 miles southeast of Lake Mathews. Comment
  CAS-BOT-BC205387  Lupinus excubitus var. austromontanus Philip A. Munz 1937-5-30 15140 Riverside Santa Rosa Peak 2407 Comment
  RSA89545  Lupinus excubitus var. austromontanus E. K. Balls, Percy C. Everett 1953-7-1 18345 Riverside 1.5 miles West and North of Idyllwild on road to Banning. 1616 Comment
  UC597721  Lupinus excubitus var. austromontanus Philip A. Munz 1937-5-30 15140 Riverside Santa Rosa Peak 2407 Comment
  CAS-BOT-BC216702  Lupinus excubitus var. excubitus H. E. McMinn 1925-7-2 1501 Riverside Tahquitz Trail, Mount San Jacinto Range Comment
  RSA0122713  Lupinus excubitus var. excubitus Duncan S. Bell, LeRoy Gross 2016-3-30 9151 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  UCR280971  Lupinus excubitus var. hallii Mitch Provance 2017-4-12 417- 79 Riverside Temescal Valley, South of the I-15, south side of Temescal Canyon Rd., vicinity of small bridge 0.8 mi W of Lake St., 0.3 mi E of Hostettler Rd. 372 Comment
  RSA34554  Lupinus formosus N. C. Cooper 1944-6-16 1419 Riverside San Jacinto Mtns. Pine Cove. 1524 Comment
  RSA503808  Lupinus formosus N. C. Cooper 1945-5-24 1640 Riverside Big Oaks Canyon, Banning. 1220 Comment
  RSA314673  Lupinus hirsutissimus Robert F. Thorne 1983-4-23 55498 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  UC729829  Lupinus hyacinthinus Carl B. Wolf 1932-8-5 3934 Riverside Summit of Devil's Slide Trail from Idyllwild to Tahquitz Valley; San Jacinto Mts., summit of Devil's Slide Trail 2438 Comment
  LA205141  Lupinus latifolius var. parishii Carl Epling; William Robison 1935-6-30 sn Riverside north fork San Jacinto River Comment
  SBBG114168  Lupinus microcarpus var. microcarpus R. Riggins 1982-4-15 1341 Riverside Guava St (DeLuz Rd) 0.4 mi S jct Washington Ave in Murietta Comment
  JEPS29312  Lupinus sparsiflorus Rimo Bacigalupi and L. Heckard 1962-3-25 8408 Riverside lower slopes Estelle Mountain (along state highway 71 near junction of road to Warm Springs Valley); Lower slopes of Estelle Mountain 335 Comment
  RSA608359  Lupinus sparsiflorus J. Agardh 1930-4-13 s.n. Riverside San Jacinto Mountains. Comment
  POM99005  Lupinus sparsiflorus subsp. sparsiflorus E. C. Jaeger 1926-3-24 s.n. Riverside Eagle Mountains, 30 miles east of Mecca 610 Comment
  CSUSB1452  Lupinus succulentus Leland E. Francois 1966-3-21 32166 6 Riverside City of Riverside 100 yards north of intersection of Van Buren Ave. and Acorn St., on Acorn St. Sandy soil along railroad tracks. 274 Comment
  POM48592  Luzula comosa Mary F. Spencer 1919-7-19 1197 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  RSA249830  Luzula comosa Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38075 Riverside San Jacinto Mountains: San Bernardino National Forest. Above James Reserve in Hall Canyon 1677 Comment
  UC70342  Luzula comosa var. laxa H. M. Hall 1901-7 2606 a Riverside San Jacinto Mountains. Along creeks Tamarack Valley Comment
  SEINET839661  Lycium andersonii Bern Schwenn 1998-1 Riverside South slope of Eagle Mtns: Hayfield 'Cove', a wide cyn mouth ca. 2.5 miles (airline) ENE of Hayfield Pumping Station & 0.75 miles SE of Hayfield Spring 544 Comment
  UCR133025  Lycium andersonii Bern Schwenn 1998-5-4 s.n. Riverside Sonoran (Colorado) Desert, Eagle Mountains, nameless canyon between Carey's Castle and Red Butte Wash, below first fall and above fork 732 Comment
  RSA1922  Lycium andersonii var. deserticola B. D. Stark 1930-3-17 s.n. Riverside Mockingbird Canyon Dam Comment
  RSA428846  Lycium cooperi Christopher Davidson 1973-4-19 1985 Riverside Joshua Tree Natl. Monument, ca 4 mi. E of Split Rock, ca 1.5 mi S of park entrance. 1220 Comment
  RSA0054924  Lycium cooperi W. Marquart 1938-3-12 s.n. Riverside Mule Mts. South of Chuckawalla Range. Comment
  JEPS45976  Lythrum californicum S. B. Parish 1897-5-31 4395 Riverside Elsinore Lake 396 Comment
  RSA502190  Machaeranthera asteroides var. asteroides Steve Boyd, T. S. Ross, L. Arnseth 1989-6-11 3718 Riverside Vail Lake area, recently burned hills at W end of lake SW of dam. 488 Comment
  RSA585728  Madia exigua D. L. Banks, S. D. Boyd 1995-5-9 0392 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
  RSA526489  Madia gracilis Steve Boyd, Timothy S. Ross 1990-5-11 4686 A Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  RSA433287  Malacothamnus densiflorus var. densiflorus N. C. Cooper 1944-6-4 1317 Riverside Elsinore Mountain; Lookout at top. 1067 Comment
  UCR114809  Malacothamnus fasciculatus Mitch Provance 1998-2-13 19 Riverside Jurupa Mountains, Pyrite Canyon, c. 0.3 km east of peak 1768, and c. 0.3 km south of Riv. / S.B. county line. 442 Comment
  UCR256788  Malacothamnus fasciculatus T. B. Salvato, Matthew Malle 2013-5-20 7571 Riverside Perris-Aguanga Basin, Menifee, east of Railroad Canyon and west of Hyw I-215. Murrieta Road between Newport Road and La Piedra Road 454 Comment
  SD136903  Malacothrix clevelandii Steve Boyd 1992-4-14 6837 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. 340 Comment
  VVC92  Malacothrix clevelandii A. C. Sanders, J. Mac 1997-5-4 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  CAS-BOT-BC347692  Malacothrix glabrata H. M. Hall 1904-5-26 4968 Riverside Vicinity of Riverside. Jurupa Hills 304 Comment
  CAS-BOT-BC347710  Malacothrix glabrata Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  JOTR31873  Malacothrix glabrata La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2127 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  RSA554211  Malacothrix glabrata Theo Glenn 1991-4-9 91 -5 Riverside Big wash in Eagle Mountains 786 Comment
  RSA774497  Malacothrix glabrata Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4418 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
  UCR86853  Malacothrix glabrata A. C. Sanders, J. Dice, K. Rose, D. Woodard 1995-3-29 16274 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
  VVC93  Malacothrix glabrata A. C. Sanders, J. Mac 1997-5-4 20642 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  RSA644631  Malva parviflora Scott D. White 1993-3-12 1140 Riverside San Bernardino Basin: San Jacinto Valley: Perris Valley Pipeline. 439 Comment
  RSA629026  Malva pseudolavatera Scott D. White 1998-6-28 6800 Riverside Corona: River Road bridge over the Santa Ana River. 160 Comment
  POM286349  Mammillaria dioica Lyman Benson 1949-3-28 13558 Riverside Santa Rosa Mountains. Pines to Palms Highway from Palm Springs to Hemet. 732 Comment
  SEINET224171  Mammillaria dioica Lyman Benson 1952-1 Riverside Comment
  SBBG87937  Marah macrocarpa B. Pitzer, E. Misqez 1988-2-28 617 Riverside SW of Murrieta, Walker Basin, Avenida del Oro, 2 mi S of Rancho California Rd 426 Comment
  SEINET7907881  Marah macrocarpa D. A. Johnson 2005-1 Riverside 1 mi E of CA 74, River Rd between Perris & Lake Elsinore 488 Comment
  CAS-BOT-BC218949  Marina parryi Ira L. Wiggins 1941-3-27 9672 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center Comment
  RSA33855  Marrubium vulgare H. S. Gentry 1944-4-22 1112 Riverside Banning. 732 Comment
  POM362447  Matricaria matricarioides N. C. Cooper 1944-4-22 1137 Riverside Banning 732 Comment
  UCR21984  Matricaria matricarioides Steve Boyd 1980-4-8 103 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR224462  Matricaria matricarioides A. C. Sanders, T. B. Salvato 2011-3-28 38810 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-215 Fwy 434 Comment
  UCR57131  Meconella denticulata Jeri Hirshberg 1989-4-18 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., south of town of Murrieta, Miller Canyon, north of Mesa de Burro 585 Comment
  POM2405  Medicago lupulina D. L. Crawford, I. M. Johnston 1917-6-9 1234 Riverside Santa Ana River near Corona Comment
  SDSU13591  Medicago sativa W. Miller Riverside Comment
  CAS-BOT-BC47745  Melia azedarach A. C. Sanders 1997-5-1 20616 Riverside Lake Skinner area: old house site at gated road junction into Shipley Reserve area 457 Comment
  CSUSB855  Melia azedarach Margaret-Lee Dean 1965-5-13 Riverside Bernasconi Hills Bernasconi Hills; 6 miles east of Highway 395 on Martin Road 487 Comment
  RSA751625  Melia azedarach G. Gust, L. Nye 2005-3-11 537 Riverside Lake Elsinore City Limits. At intersection of Ellis St. and Franklin St. in an overgrown disturbed site. 400 Comment
  JOTR35941  Melica frutescens De Groot, Sarah J., Evan Meyer and Abby Hird 2013-3-23 6889 Riverside Joshua Tree National Park. north and northwest part of Lost Palms Oasis 987 Comment
  CAS-BOT-BC281598  Melica imperfecta H. M. Hall 1899-5-21 1134 a Riverside San Jacinto Mts 1676 Comment
  SEINET1004450  Melica imperfecta A. C. Sanders 2004-1 27548 Riverside Santa Ana Mtns.: Santa Rosa Plateu, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  UCR109513  Melica imperfecta Heidi A. Haid 1968-1 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR162267  Melica imperfecta 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
  UCR240631  Melica imperfecta Tracy Tennant, Mitch Provance 1998-6-16 MOR- 405 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1052 Comment
  POM204772  Melica imperfecta var. flexuosa H. M. Hall 1901-06 2079 Riverside South side of San Jacinto Mountains. 1463 Comment
  SEINET2063363  Melilotus indicus Ed LaRue 1989-4-21 Riverside Moreno Valley, Univ. of CA agricultural experimental farms, ca. 1/2 mi S. of Alessandro Blvd. near corner of Cactus Ave. & Nason St. Comment
  UC65738  Melilotus indicus N. K. Berg 1904-3-4 Riverside San Jacinto Comment
  UCR71616  Mentha aquatica A. C. Sanders, O. F. Clarke & CNPS field trip 1991-10-5 11746 Riverside Santa Ana River Valley, Santa Ana River bottom, Rancho Jurupa Park, Pleasant Acres Lake Comment
  UC63740  Mentha canadensis H. M. Hall 1897-7-26 733 Riverside vicinity of Strawberry Valley Dutch Flat (Dutch Flat); San Jacinto Mountains, vicinity of Strawberry Valley 1676 Comment
  CLARK-A1528-573  Mentha citrata John C. Roos 1951-9-25 5289 Riverside Riverside 259 Comment
  UCR90602  Mentha spicata Scott D. White 1995-6-29 3388 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  RSA0073110  Mentzelia affinis Jim Andre 2013-3-27 24806 Riverside Rice Valley: east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 241 Comment
  RSA0060677  Mentzelia desertorum A. C. Sanders 2010-3-15 37415 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
  RSA440425  Mentzelia involucrata Robert L. Dressler 1949-3-19 402 Riverside Box Canyon, Orocopia Mts. Comment
  UC1595705  Mentzelia involucrata W. Wisura, J. Dolan, M. Wall 1992-3-24 4624 Riverside 7.7 mi ne Mecca (on Box Canyon Rd.) Comment
  UCSB4221  Mentzelia involucrata Atsatt, Pete 1958-3-21 Riverside 1.5 miles from town of Whitewater, U.S. Highway 66 & 99; up Whitewater Canyon 518 Comment
Read comments
Nov 19 2014
  POM160080  Mentzelia involucrata var. megalantha E. C. Jaeger 1927-3-23 s.n. Riverside Salt Creek Wash, Colo. Desert Comment
  SD249696  Mentzelia longiloba J. M. Andre 2013-3-27 24811 Riverside Region: CA-SonM; Rice Valley east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62) 241 Comment
  RSA734201  Mentzelia micrantha Keith E. Hoffmaster 1934-4-8 132 Riverside Santa Ana Mts. Comment
  CHSC1024  Mentzelia veatchiana V. Holt 1935-4-16 Riverside San Jacinto Mountains. Comment
  UCR220324  Microseris douglasii D. E. Bramlet 1992-4-3 2210 Riverside Perris-Aguanga Basin Region, 7.5 km SW of Hemet, just east of California Ave and c. 100 m north of the ATSF RR tracks, NE of the intersection of California Ave. and Marvin Hull Road and c. 300 m west of the MWD Canal 453 Comment
  UCR217544  Microseris douglasii subsp. platycarpha Diane Menuz 2008-3-24 374 Riverside Perris-Hemet Basin, East of Briggs Rd,. c. 1 km south of Scott Rd. 432 Comment
  RSA263703  Microseris heterocarpa E. W. Lathrop 1968-5-8 7023 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  UCR213305  Microseris heterocarpa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37702 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 378 Comment
  UCR228821  Microseris heterocarpa A. C. Sanders 2011-4-26 39321 Riverside Peninsular Range, Alberhill Mountain, along dirt track parallel to Coal Ave./Nichols Rd. 432 Comment
  RSA0018765  Mimetanthe pilosa Naomi S. Fraga 2006-7-11 1720 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  RSA0018774  Mimetanthe pilosa Robert F. Thorne, Walter Wisura 1977-9-17 50779 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  POM8582  Mimulus aurantiacus var. pubescens I. M. Johnston 1920-5-8 8582 Riverside Butte west of Lakeview. 610 Comment
  RSA0030784  Mimulus aurantiacus var. pubescens N. C. Cooper 1944-7-15 1554 Riverside Palms to Pine Hwy 1463 Comment
  UC943818  Mimulus aurantiacus var. pubescens M. Van Rensselaer 1946-7-16 1922 Riverside above Idyllwild (Suicide Rock Trail) 1920 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
  POM33  Mimulus aurantiacus var. puniceus O. W. Robinson 1916-3-28 s.n. Riverside Miller's Canyon, Murrieta. Comment
  UC511176  Mimulus aurantiacus var. puniceus Lyman Benson 1932-3-26 3183 Riverside summit Temecula Grade 609 Comment
  RSA92725  Mimulus aurantiacus var. puniceus J. C. Roos 1952-5-14 5665 Riverside 2 mi. northwest of Perris. 503 Comment
  RSA420949  Mimulus bigelovii var. bigelovii Howard Mullins 1931-4-26 s.n. Riverside Mecca Comment
  RSA523532  Mimulus brevipes Steve Boyd, Tim S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3991 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  SDSU10762  Mimulus brevipes Charles F. Phleger 1962-5-12 Riverside Collceted on Highway 74, 5 miles east of Hemet. Comment
  UCR179207  Mimulus brevipes Mitch Provance, Tracy Tennant 1998-6-16 MOR- 383 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon just south of Millard Guard Station 1037 Comment
  UCR80817  Mimulus brevipes Scott D. White 1993-5-29 1461 Riverside San Bernardino Mtns, Banning Canyon, along the road to Raywood Flat, Yucaipa Ridge 1402 Comment
  UCR115928  Mimulus cardinalis Mitch Provance, Seychelle Provance 1999-8-15 1744 Riverside Riverside, Santa Ana Riverbottom just on the north side of the Mission Bridge 238 Comment
  HSC85264  Mimulus clevelandii Steve Boyd 1986-4-22 1757 Riverside Stable alluvial benches of Indian Wash just S of Interstate Hwy 15 Comment
  UC943901  Mimulus clevelandii H. E. McMinn, M. Van Rensselaer 1945-6-7 1898 Riverside head Indian Canyon Truck Trail (crest of mts., boundary of Riverside and Orange counties); Santa Ana Mts. 1235 Comment
  LA209397  Mimulus guttatus W. E. Pequegnat; 1937-4-14 69 Riverside Santa Ana Mountains, Glen Ivy Trail Comment
  UC886214  Mimulus guttatus Carl B. Wolf 1932-5-25 3673 Riverside 1 mi below, n base of mts. Fish Hatchery; San Jacinto Mts., Snow Creek Canyon 396 Comment
  UC519698  Mimulus palmeri Victor Duran 1932-5-18 3220 Riverside Idyllwild San Jacinto Mountains 1676 Comment
  UC56261  Mimulus parishii F. Gilman 1902-1 18 Riverside Palm Springs Comment
Read comments
Jul 6 2010
  JEPS10589  Mimulus pilosus W. L. Jepson May 17 1901-Jun 1 1901 1368 Riverside Palm Canyon; and return to Van Deventer's Comment
  RSA559317  Mimulus pilosus Steve Boyd, Tim S. Ross, Dave Bramlet 1993-5-13 7371 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile 412 Comment
  UCR155304  Mimulus pilosus A. C. Sanders 2005-5-4 29841 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  UCR92265  Mimulus pilosus Scott D. White, M. A. Patten 1995-8-16 3540 Riverside San Jacinto Valley, Just west of Hemet, valley floor and foothills at SE margain of Lakeview Mts. north of Florida Ave. (SR 74) and west of California Avenue 500 Comment
  HSC85247  Minuartia douglasii Steve Boyd 1986-4-20 1724 Riverside Harford Springs County Park, S end the park Comment
  RSA561073  Minuartia douglasii Steve Boyd 1993-5-12 7340 Riverside Southern Santa Ana Mountains, Sant Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon. 365 Comment
  RSA773172  Minuartia douglasii Duncan S. Bell, Valentin Arvizu 2010-5-24 1111 Riverside San Bernardino National Forest: Garner Valley, approximately 3.4 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1385 Comment
  CAS-BOT-BC385088  Mirabilis albida D. E. Breedlove 1961-9-11 1262 Riverside At Pinon Flats Campground along State Hwy 74; Santa Rosa Mountains 1249 Comment
  POM747  Mirabilis laevis var. crassifolia I. M. Johnston 1918-4-27 1867 Riverside Temescal Canon (Between Elsinore and Corona) 366 Comment
  UCR211710  Mirabilis laevis var. crassifolia Fred M. Roberts, Michelle Balk 2006-5-1 6325 Riverside Perris Basin, Old Salt Creek watershed, South Hemet Hills, west of California Ave, c. 2.8 km southwest of the west end of Hemet Ryan Airport runway 483 Comment
  CAS-BOT-BC434817  Mirabilis laevis var. retrorsa S. B. Parish 1907-4-24 6073 Riverside Whitewater, Western base of the Colorado Desert 109 Comment
  UC1136583  Mirabilis laevis var. retrorsa H. S. Yates 1937-3-24 6450 Riverside 457 Comment
  UC56246  Mirabilis laevis var. retrorsa H. M. Hall Apr 1902 Riverside Coyote Canyon; Western borders of the Colorado Desert 152 Comment
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Aug 14 2010
  RSA464243  Mirabilis laevis var. villosa N. C. Cooper 1945-5-6 2257 Riverside Banning. 701 Comment
  RSA464259  Mirabilis tenuiloba N. R. Zabriskie, W. M. Zabriskie 1973-3-29 594 Riverside S side of lower Pipistrelle Canyon wash, Deep canyon drainage, N slope Santa Rosa Mountains. 427 Comment
  CLARK-A1528-4223  Mohavea confertiflora John C. Roos 1958-3-29 Riverside Orocopia Mountains 304 Comment
  RSA80251  Mohavea confertiflora F. W. Peirson 1928-3-10 7708 Riverside Hidden Spring, northern Colorado Desert. Comment
  UC673535  Mohavea confertiflora H. L. Mason 1928-3-10 4209 Riverside Coachella Mountains, Hidden Springs Canyon Hidden Springs Canyon; Coachella Mountains, Hidden Springs Canyon Comment
  RSA776945  Mohavea confertiflora Amber Swanson 2011-3-19 238 Riverside W of Eagle Mtn Rd to Railroad tracks abt 5 mi N of I-10 307 Comment
  RSA697846  Monardella australis J. R. Bruff 1934-7-5 s.n. Riverside [Unspecified] 2134 Comment
  RSA786959  Monardella lanceolata Robert F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49544 Riverside Santa Ana Mountains: along Ortega Highway (74), perhaps 1/4 mile west of El Cariso Comment
  SEINET6699508 Image available Monardella lanceolata C. Epling 1932-6-26 Riverside Jarupa Hills Comment
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Nov 7 2015
  RSA180383  Monardella lanceolata var. lanceolata E. W. Lathrop 1960-6-9 4944 Riverside 14 miles west of Murrieta. Comment
  RSA675  Monardella lanceolata var. lanceolata B. D. Stark 1927-6-25 210 Riverside Crestmore, near Riverside. 305 Comment
  UC1995337  Monardella linoides subsp. linoides P. A. Munz 1938-8-14 15380 Riverside ridge e Toro Peak; Santa Rosa Mts. 2286 Comment
  UC25485 Image available Monardella macrantha subsp. hallii H. M. Hall 1898-7-4 976 Riverside canyon of San Jacinto River San Jacinto Mountains 1310 Comment
  LA96080  Monardella nana Elizabeth McClintock; 1940-7-21 28 Riverside Santa Rosa Mountains, short distance below Santa Rosa Springs 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
  UC1499913  Monardella nana Elizabeth McClintock 1941-6-8 69 Riverside 3 miles east of Ribboncamp Pines to Palms Highway Comment
  RSA750416  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 55 Riverside Road to Santa Rosa Mt. 0.1 miles from Pines to Palms Highway. Comment
  RSA750282  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-10 88 Riverside San jacinto Mts. Trail to Suicide Rock, about 3 1/4 miles from Fern Valley. Comment
  RSA750292  Monardella nana subsp. tenuiflora Elizabeth McClintock, M. McClintock, D. Weiner 1941-7-11 100 Riverside Black Mountain, 1.25 miles beyond the snow gate. Comment
  SD67911  Monardella nana subsp. tenuiflora Reid Moran 1968-8-3 15354 Riverside Ridge 1 mile Northwest of Toro Peak, open northeast slope 2250 Comment
  SEINET10582075  Monardella nana subsp. tenuiflora A. Graff 1993-6-23 Graff 42 Riverside San Bernadino National Forest, San Jacinto Mtns. From Hwy. 243, take Black Mtn. Rd. (USNFS Rd. 4S01) to junction with USNFS Rd. 4S02 and go 0.1 mile down 4S02. Monardella nana is on the right roadside. T4S,R2E,S23. Dry, gravelly, shaded, gentle slope. Locally sparse, with Pinus ponderosa, Arctostaphylos pringlei, Lotus scoparius, Bromus orcuttianus, Elymus elymoides, Elymus glaucus. Need USNFS permission to collect. Comment
  SEINET10582076  Monardella nana subsp. tenuiflora A. Graff 1993-6-23 Graff 40 Riverside San Bernadino National Forest, San Jacinto Mtns. From Hwy. 243, take Black Mtn. Rd. (USNFS Rd. 4S01) to junction with USNFS Rd. 4S02 and go 0.1 mile down 4S02. Monardella nana is on the right roadside. T4S,R2E,S23. Dry, gravelly, shaded, gentle slope. Locally sparse, with Pinus ponderosa, Arctostaphylos pringlei, Lotus scoparius, Bromus orcuttianus, Elymus elymoides, Elymus glaucus. Need USNFS permission to collect. Comment
  GMDRC9383  Monolepis nuttalliana J. M. Andre 2017-3-4 37201 Riverside Big Maria Mountains: eastern base of range at Black Point, west side of US Hwy 95 34.2 mi. south of Vida Jct, at road to radio tower 94 Comment
  CAS-BOT-BC349787  Monoptilon bellioides Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2126 Riverside N. end Palen Mtns, 2 mi west of Palen Pass 300 Comment
  CAS-BOT-BC349795  Monoptilon bellioides J. H. Thomas 1949-2-28 56 Riverside Southern part of Palm Springs Comment
  OBI23450  Monoptilon bellioides D. Seigler, C. Bohnstedt, F. Seaman and D. Riskind, D. Riskind 1970-3-25 2248 Riverside 32 mi N of Cottonwood Visitor Center in Joshua Tree Natl Monument Comment
  POM10253  Monoptilon bellioides Charlotte M. Wilder 1907-04 s.n. Riverside Palm Springs. Comment
  POM41981  Monoptilon bellioides Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  UC1069983  Monoptilon bellioides H. S. Yates 1937-3-23 6422 Riverside 5 mi nw Edom; Thermal Quadrangle Comment
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Dec 16 2011
  UC217924  Monoptilon bellioides P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4866 Riverside vicinity Corn Springs; Colorado Desert, Chuckwalla Mountains 457 Comment
  SDSU12853  Muhlenbergia microsperma Janet M. Knotts with Jill Steinberg and Kevin Contreras 1998-3-25 25 III1998F Riverside Road to southwest of SDSU Santa Margarita Field Station, ca. 1000 feet S.W. on road to switchback, northwest of bend in road. 262 Comment
  UCR215454  Muhlenbergia porteri Jim Andre, T. La Doux 2008-9-16 10689 Riverside Mojave Desert, Joshua Tree National Park, along Bell Mountain Road atop Bell Mountain, c. 0.3 mi. north of radio tower 1359 Comment
  UC39891  Muhlenbergia richardsonis H. M. Hall July 1901 Riverside Fuller's Mill Mountains San Jacinto Mountains 2286 Comment
  RSA655090  Muilla maritima Scott D. White 2000-4-17 7652 Riverside Menifee / Sun City Area: South of McColl Ave. and east of I-215 freeway. 442 Comment
  UCR162285  Muilla maritima S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UC218013  Myosurus minimus P. A. Munz and I. M. Johnston 1922-5-20 5461 Riverside Hemet Valley, pool at Kenworthy; San Jacinto Mts 1432 Comment
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Mar 25 2011
  CLARK-A1528-3868  Myosurus minimus subsp. apus John C. Roos 1952-4-9 5515 Riverside Edgemont 487 Comment
  RSA617800  Myosurus minimus var. filiformis R. E. Riefner 1998-3-22 98 -196 Riverside Glen Ivy Fault, Main Street Comment
  SBBG231  Myriopteris clevelandii A. Lefebure -Mar-1942 4810 Riverside Hemet side of San Jacinto Mtns Comment
  UCR65270  Najas marina Steve Boyd, Orlando Mistretta 1989-7-18 3761 Riverside Peninsular Range, Vail Lake area, along W shore of lake 0.5 mi south of the dam 427 Comment
  UCSB13108  Nama demissa Dearing, Hugh; Dearing, Margaret 1941-4-9 Riverside Eight miles south of Mecca; Riverside County, California Comment
  JOTR31967  Nama demissa var. demissa La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2204 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; rocky/gravelly bajada north of the Aqueduct Rd. 603 Comment
  RSA49361  Nama demissa var. deserti P. A. Munz 1949-4-11 13005 Riverside Mojave Desert. Joshua Tree National Monument. Eastern end of Monument. 945 Comment
  POM13914  Nama hispida var. spathulata P. A. Munz 1922-4-9 4803 Riverside Hayfields, Chuckawalla Valley. 152 Comment
  CAS-BOT-BC60330  Nasturtium officinale H. A. Zuill 1966-6-19 227 Riverside Loma Linda. On the Los Alamos Ranch Road about 6 miles southwest of Murrieta. Comment
  RSA198963  Nasturtium officinale R. F. Thorne, P. A. Munz, E. W. Lathrop 1968-5-8 37596 Riverside Santa Rosa Plateau, Rancho California 610 Comment
  SD234485  Navarretia atractyloides Mitch Provance 2003-6-7 7608 Riverside San Bernardino Valley; Jurupa Mountains (extreme northwest end), near Philadelphia Street. 262 Comment
  UCR256780  Navarretia atractyloides T. B. Salvato, Matthew Malle 2013-5-20 7577 Riverside Perris-Aguanga Basin, Menifee, east of Railroad Canyon and west of Hyw I-215. Murrieta Road between Newport Road and La Piedra Road 454 Comment
  POM13615  Navarretia fossalis P. A. Munz, I. M. Johnston 1922-5-19 5370 Riverside 8 miles NE of Murietta. 412 Comment
  RSA588975  Navarretia fossalis D. E. Bramlet 1993-5-8 2344 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
  RSA124981  Nemacladus glanduliferus P. H. Raven 1958-5-5 12905 Riverside Joshua Tree National Monument, Salton View 1585 Comment
  JEPS5412  Nemacladus longiflorus var. longiflorus W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1555 A Riverside Temecula River; sw Riverside County Comment
  UCR35132  Nemacladus longiflorus var. longiflorus L. B. Ziegler 1967-6-21 163 Riverside San Jacinto Mtns, Hemet [= Garner] Valley 1402 Comment
  RSA0126423  Nemacladus longiflorus var. longiflorus F. W. Peirson 1922-4-28 2920 Riverside Temescal Canyon. 335 Comment
  UCR85603  Nemacladus orientalis Theo Glenn 1991-5-2 91- 31 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  SEINET2063094 Image available Nemacladus ramosissimus A. C. Sanders, B. Pitzer 1986-4-30 6481 Riverside San Jacinto Mountains, upper Bee Canyon, 1.3 milesabove the mouth of the canyon at the San Jacinto River valley. 671 Comment
  POM46796  Nemacladus rubescens Mary F. Spencer 1920-3-27 1498 Riverside Palm Springs. 122 Comment
  RSA543739  Nemophila menziesii Steve Boyd, Mike Hammitt 1991-5-2 6033 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  UCR207548  Nemophila menziesii O. F. Clarke 2004-3-27 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 424 Comment
  UCR96702  Nemophila menziesii A. C. Sanders 1997-3-1 19724 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  UC1237990  Nemophila menziesii var. integrifolia John Weiler and Roy L. Taylor May 12 1961-May 15 1961 61118 Riverside 1.6 mi se Poppet Flat Road (along road from Banning to Idylwild, San Jacinto Mountains); San Jacinto Mountains, rd fr Banning to Idylvild Comment
  RSA339360  Nicolletia occidentalis R. F. Thorne, Rolf, Gertrud Dahlgren 1979-8-22 53587 Riverside Joshua Tree National Monument; Vicinity of Ryan Campground to base of Ryan Mountain. 1319 Comment
  UCR89592  Nicolletia occidentalis Bern Schwenn 1994-4-29 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument (Park)., flat country east of Lost Horse Mtns, near Mystery Hole. In wash near mine tailings (Sec. 34, south of Cal. Riding and Hiking Trail) and near old road to Indio 1311 Comment
  SBBG132547  Nicotiana attenuata S. D. White, J. M. Wood 2008-6-16 12140 Riverside meadow at Quinn Flat 1378 Comment
  SEINET7882515 Image available Nicotiana glauca Jean Coulson 1959-1 175 Riverside U.C.R. Campus, Riverside County, Calif. E. of garden behind Agricultural Extention Bldg. in rock out-crop. 1 Comment
  JOTR30073  Nicotiana obtusifolia La Doux, Tasha, Bill Truesdell 2006-10-3 1716 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  RSA25296  Nicotiana obtusifolia C. Leo Hitchcock 1940-3-31 5889 Riverside Between Cottonwood Spring and Pinto Basin. Comment
  UCR128939  Nicotiana obtusifolia Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Sonoran (Colorado) Desert, Canyon Spring, Orocopia Mtns. 372 Comment
  UCSB37378  Nicotiana obtusifolia Roos, John 1966-2-5 Riverside Pushawalla Wash near 1000 Palms, Indio Hills Comment
  RSA0060160  Nicotiana quadrivalvis Scott D. White, M. A. Patten 1995-8-16 3552 Riverside San Jacinto Valley. Just W of Hemet, valley floor and foothills at SE margin of Lakeview Mts. N of Florida Ave. (SR 74) and W of California Ave. 470 Comment
  SBBG267  Notholaena californica H. and M. Dearing 1942-1-10 4784 Riverside Tahquitz Cyn, near Palm Springs Comment
  RSA189429  Notholaena californica subsp. leucophylla L. S. Rose 1966-12-13 66102 Riverside Palm Springs, Tahquitz Wash Desert 182 Comment
  RSA788412  Oenothera bistorta var. veitchiana Doris Bowers 1972-4-15 1798 Riverside Near SBCM dig on Pulgas Creek Rd., Rancho Calif. 396 Comment
  SDSU13602  Oenothera californica subsp. californica W. Miller Riverside Comment
  LA206205  Oenothera deltoides Mary Reynolds; 1937-3-23 27 Riverside Palm Springs Comment
  POM355578  Oenothera deltoides subsp. deltoides M. B. Dunkle 1932-2-25 2921 Riverside 6 miles NW of Indio. Comment
  RSA146061  Oenothera deltoides subsp. deltoides William M. Klein 1959-4-6 951 Riverside U,S. Hwy 60-70, about 20 miles west of Blythe. 137 Comment
  RSA146109  Oenothera primiveris subsp. bufonis Peter H. Raven 1958-2-16 11624 Riverside 4.3 miles south of Rice. Comment
  UCR176916  Olea europaea Mitch Provance, J. S. Ross 1998-3-27 MOR- 971 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon at mouth of Corral Canyon, c. 1 mile NW of VABM Mil (Peak 3620) 915 Comment
  CAS-BOT-BC427467  Oligomeris linifolia Hall 1905-6-1 6238 Riverside Hills between Riverside & Gavilan Comment
  RSA727866  Oligomeris linifolia Naomi Fraga, Lisa Rojas 2005-2-10 1356 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCR165814  Oligomeris linifolia John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  UCR166720  Oligomeris linifolia Scott D. White, Jennifer H. Jones 2005-4-12 10866 Riverside Coachella Valley, Indio area, vacant land NE of the I-10 Freeway interchange at Jefferson 18 Comment
  UCR74362  Oligomeris linifolia Theo Glenn 1991-4-30 91- 72 Riverside Sonoran (Colorado) Desert, McCoy Mtns, NW of Blythe 280 Comment
  RSA500567  Opuntia basilaris Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3852 Riverside Vail lake area, sedimentary hills at NW end of lake at E end of Oak Mtn, N of Wilson Creek. 488 Comment
  UCR133373  Opuntia basilaris Jeffrey Ross, T. B. Salvato 1998-5-28 MOR- 327 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, c. 3.5 miles NNW of Cabazon 915 Comment
  JOTR29441  Opuntia basilaris var. basilaris La Doux, Tasha, M. Bell, B. Truesdell 2006-3-22 1374 Riverside Joshua Tree National Park. East Wide canyon 499 Comment
  UCR1489  Opuntia basilaris var. basilaris Howard York 1962-4-6 s.n. Riverside Western Colorado Desert/ San Bernardino Mtns., Whitewater Canyon, 2.5 miles up canyon from Hwy 99 [now frontage rd. just north of I-10] 'alt. 1500 ft. 549 Comment
  RSA752696  Opuntia prolifera John Green 2006-5-2 s.n. Riverside Unincorporated area along San Diego Aqueduct Corridor, 1 km due W of Skunk Hollow, between Nicholas Rd. and Borel Rd., E of Murrieta Hot Springs. 421 Comment
  CAS-BOT-BC254292  Orcuttia californica P. A. Munz; I. M. Johnston 1922-5-19 5375 Riverside Menifee Valley 426 Comment
  RSA702270  Orcuttia californica Gary D. Wallace, B. Gustafson, T. Thomas 1983-6-23 2080 Riverside Santa Rosa Plateau, Mesa de Burro. Comment
  SD132922  Orcuttia californica var. californica Tim Cass 1979-6-1 207 Riverside Mesa de Buro, Pond A Comment
  UCR80799  Orobanche fasciculata Scott D. White 1993-5-29 1444 Riverside San Bernardino Mtns, Banning Canyon, along the road to Raywood Flat, Yucaipa Ridge 1402 Comment
  RSA402100  Orthocarpus purpurascens G. R. Johnstone 1934-3-27 s.n. Riverside Near Wildomar. Inland route to Temecula. Comment
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Dec 11 2011
  CAS-BOT-BC355749  Osmadenia tenella Steve Boyd 1986-5-7 1826 Riverside Alberhill Mountain: Lower slopes of south flank, just E of claymine area Comment
  UC2030086  Oxytheca caryophylloides Scott D. White 2000-8-5 8119 Riverside SAN JACINTO MTS: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). Comment
  RSA392815A  Oxytheca trilobata F. W. Peirson 1929-7-29 5020 Riverside Banning to Idyllwild Road 1768 Comment
  UCR193856  Oxytheca trilobata A. C. Sanders, Mitch Provance 2008-7-11 35765 Riverside Peninsular Range; San Jacinto Mtns., FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station 1463 Comment
  OBI8361  Paeonia californica David J. Keil, Malcolm McLeod 1977-3-26 12022 -2 Riverside 9 mi E of jctn with I-15 along Calif 79 518 Comment
  RSA652108  Paeonia californica Don Fells 1948-2-15 s.n. Riverside 1/3 mile SE from 6th and California, Norco. 229 Comment
  UCR155331  Paeonia californica A. C. Sanders, Mike Misenhelter 2005-3-23 29271 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  JEPS34754  Palafoxia arida var. arida I. W. Clokey 1935-4-17 6838 Riverside e Shafer Wells; Colorado Desert; [Shaver's Wells] Comment
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Apr 24 2011
  POM250423  Palafoxia arida var. arida I. W. Clokey 1935-4-17 6938 Riverside Shaver's Well Comment
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Apr 24 2011
  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
  RSA28074  Palafoxia arida var. arida I. L. Wiggins 1941-3-24 9564 Riverside 0.3 miles south of Myoma, 4.6 miles north of Indio. Comment
  RSA363758  Palafoxia arida var. arida N. C. Cooper 1942-4-25 617 Riverside Palm Springs. Comment
  UCR17636  Panicum alatum var. minus Hap Ritter, Paul Mack 1976-10-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, sand dunes southeast of Hopkins Well and west of Wiley's Well Road 152 Comment
  RSA575932  Panicum capillare Steve Boyd 1994-10-14 8393 Riverside Southern Santa Ana Mts., San Mateo Canyon Wilderness Area of the Cleveland Nat'l Forest. San Mateo Canyon, sandy benches in canyon bottoms at the confluence with Bluewater Canyon. 329 Comment
  UCR43000  Panicum capillare A. C. Sanders 1986-5-20 6499 Riverside Vacant lot where an orange grove was recently removed, across the street from 1012 Spruce St. 305 Comment
  UCSB45960  Panicum hirticaule Roos, John 1965-9-5 Riverside 18 miles W. of Blythe Comment
  RSA495819  Parietaria hespera var. hespera Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-3-12 2929 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  UC495207  Parietaria hespera var. hespera Philip A. Munz 1932-3-14 12011 Riverside Magnesia Canyon; Coachella Valley 91 Comment
  CDA4250  Parkinsonia aculeata A. C. Sanders, O. F. Clarke 1991-6-1 11124 Riverside Upper Santa Ana River/San Bernardino Valley. Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River. Comment
  UCR241413  Parkinsonia aculeata T. B. Salvato, Matt Malle, Tom Sullivan 2013-3-27 7439 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  RSA736906  Paspalum distichum Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10681 Riverside Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  RSA778408  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-5 060 Riverside Ship Creek. Corn Springs Rd Exit from I10. Take Chuckwalla Valley Rd to Dupont Rd. Follow approximately 5 miles. Chuckwalla Mountains Wilderness Area. 341 Comment
  CAS-BOT-BC169754  Pectocarya anisocarpa W. P. Vestal; A. G. Vestal 1947-3-30 s.n. Riverside 5 miles S of Winchester Comment
  UCR214585  Pectocarya anisocarpa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37862 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.8 mi. north (09 deg. ) of intersection of I-15 and Lake St. 482 Comment
  RSA77873  Pectocarya heterocarpa F. W. Peirson 1935-4-17 11473 Riverside 30 miles north of Blythe. Comment
  UC1922868  Pectocarya linearis Scott D. White, Angelia Carey 2004-4-5 10002 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Lake Fulmor 7.5' Quad. Comment
  UCR167073  Pectocarya linearis Scott D. White 2005-3-29 10847 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  UCR805  Pectocarya linearis J. E. Dimitman 1957-4-8 s.n. Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, hills south of UCR campus 457 Comment
  RSA180305  Pectocarya linearis subsp. ferocula E. W. Lathrop 1960-3-11 4656 b Riverside 5 miles west of Murrieta. Comment
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Apr 28 2011
  RSA522750  Pectocarya linearis subsp. ferocula Steve Boyd, Tim Ross, L. Arnseth 1990-3-29 3857 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
  SFV6346  Pectocarya linearis subsp. ferocula T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 25 Riverside San Bernardino Mountains Whitewater Canyon Road, 3 miles north of Highway 60. 630 Comment
  JEPS68192  Pectocarya penicillata Alice King 1893-1 Riverside Menifee Valley Comment
  POM368779  Pectocarya penicillata Ora M. Clark 1929-4-6 1958 Riverside S. Hemet Comment
  POM3822  Pectocarya penicillata C. F. Baker 1904-4-5 4139 Riverside Hemet Comment
  UCR121207  Pectocarya penicillata D. E. Bramlet 1990-4-27 1993 Riverside Peninsular Range; Perris-Aguanga basin region, ridgeline south of Diamond Valley, NW of Crown Valley, 600 ft. west of access road 665 Comment
  UCR233173A  Pectocarya recurvata Jim Andre, Glenn L. Clifton 2011-2-22 17436 Riverside Mecca Hills, along Box Canyon Road, 8.5 mi northeast of town of Mecca 171 Comment
  SD80850  Pectocarya setosa Helen V. Witham 1970-4-29 820 Riverside 22 miles east of Hemet 1299 Comment
  POM292498  Pediomelum californicum Philip A. Munz 1937-5-29 15104 Riverside Public Camp ground at Nightengales [store near Pinyon Flats, camp = P. F. Public Camp], on Palms to Pines Hwy. 1220 Comment
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Dec 18 2011
  RSA516764  Pellaea andromedifolia var. andromedifolia Ed LaRue 1989-4-26 s.n. Riverside 2 mi. (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons 488 Comment
  UCR280620  Pellaea mucronata Mitch Provance, Jeremiah George, Matt K. Beyers 2017-4-3 417- 07 Riverside Gavilan Hills, Alberhill Canyon, dirt road portion of Lake St., about 0.8 miles N of Hwy. 15 at Alberhill. 457 Comment
  IRVC3153  Pellaea mucronata var. californica R. H. Whittaker, W. A. Niering 1963-5-31 SJ 117 Riverside Elks Road. Peninsular Ranges, Santa Rosa Mountains 1265 Comment
  POM856  Pellaea mucronata var. mucronata P. A. Munz 1918-4-27 2123 Riverside Temecula Canyon: base of rocks, Comment
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Mar 27 2011
  SFV13130  Pellaea mucronata var. mucronata M. J. Thor 1982-9-17 138 Riverside San Jacinto Mountains Idyllwild Park. 1616 Comment
  POM9609  Pellaea mucronata var. mucronata I. M. Johnston 1920-5-8 s.n. Riverside Box Springs Grade, near Riverside Comment
  UC54993  Penstemon X parishii H. M. Hall 1897-5-19 567 Riverside canyon of the San Jacinto River San Jacinto Mountains, canyon of San Jacinto River (Southern California) 914 Comment
  UC886862  Penstemon californicus P. A. Munz and I. M. Johnston 1922-5-21 5445 Riverside Kenworthy San Jacinto Mts., Hemet Valley; Kenworthy, Hemet Valley 1371 Comment
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Mar 25 2011
  SD212735  Penstemon centranthifolius T. B. Salvato, John F. Green 2004-5-27 586 Riverside Head of Banning Canyon close to the San Bernardino County line, 0.5 mile southeast of Oak Glen Conservation Camp. 1402 Comment
  UCR35260  Penstemon centranthifolius L. B. Ziegler 1967-6-1 148 Riverside San Jacinto Mountains, Hemet Valley, near Hemet Lake. 1341 Comment
  SD51812  Penstemon clevelandii var. connatus Rimo Bacigalupi, L. R. Heckard 1953-5-5 4074 Riverside Western Riverside County. Along the Palms-to-Pines Highway (Calif. No. 74), above the seven level Hill, western slopes of Deep Canyon, about I(c) way betw. Santa Rosa Mts. And San Jacinto Mts, west side of Coachella Valley Comment
  RSA263751  Penstemon heterophyllus var. australis E. W. Lathrop 1968-5-17 6892 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peak, Skyline Drive. 1082 Comment
  SD63335  Penstemon labrosus Walter Bertsch 1957-6-29 957 Riverside Desert slope of Toro Peak, Santa Rosa Mountains 2660 Comment
  SJSU13482  Penstemon labrosus C. W. Sharsmith 1945-8-28 5454 Riverside Indian Cr Canyon, Mt San Jacinto 1828 Comment
  NY650665  Penstemon rostriflorus F. W. Pennell 1940-4-28 25286 Riverside Route 74, Santa Rosa Indian Reservation 1402.1 Comment
  RSA33815  Penstemon spectabilis subsp. subviscosus N. C. Cooper 1944-5-6 1219 Riverside Banning. 610 Comment
  UC887347  Penstemon spectabilis var. spectabilis P. A. Munz 1922-6-24 5796 Riverside Hemet Valley San Jacinto Mts., , Hemet Valley (Pipe Creek) 1554 Comment
  RSA430200A  Pentachaeta aurea E. Misquez 1987-4-11 s.n. Riverside Walker Basin: 2 miles on Avenida de Oro from jct. with Rancho California Rd. and 4.7 miles W of I15. 415 Comment
  SD140250  Pentagramma triangularis Scott White 1993-4-22 1237 Riverside North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  UC668411  Pentagramma triangularis subsp. triangularis Annie M. Alexander and Louise Kellogg 1941-4-24 2084 Riverside Morongo Valley Gorge of Dry Morongo Creek; Morongo Valley Gorge 640 Comment
  JOTR35930  Peritoma arborea De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6878 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 914 Comment
  CAS-BOT-BC77497  Peritoma arborea var. angustata S. B. Parish 1916-5-13 10871 Riverside Cottonwood Spr., Colorado Desert Comment
  CAS-BOT-BC77525  Peritoma arborea var. arborea Munz; Street; Williams 1919-3-28 2461 Riverside San Gorgonio Pass between Whitewater & Cabazon Comment
  CAS-BOT-BC355916  Perityle W. C. Gagne 1968-3-16 s.n. Riverside Wash in Deep Canyon, Boyd Desert Res. Center in Palm Desert Comment
  CAS-BOT-BC355991  Perityle emoryi D. E. Breedlove 1962-3-11 1888 Riverside Cat Creek wash, 3 miles southwest of Palm Desert 426 Comment
  POM46878  Perityle emoryi Mary F. Spencer 1918-3-26 783 Riverside Palm Springs. 137 Comment
  SBBG65629  Perityle emoryi M. N. Ackley -Feb-1926 255 Riverside mouth of Painted Cyn Comment
  SEINET2054110 Image available Perityle emoryi G. Helmkamp, E. Helmkamp 1998-1-17 2539 Riverside Box Canyon Road ENE of Mecca and on theNorth side of Coachella Canal. 0 Comment
  CHSC99225  Persicaria lapathifolia John C. Dittes; Rudolph A. Dittes 2006-10-30 1424 Riverside South Coast Subregion; San Fernando Valley; Sepulveda Dam Flood Control Basin; ca. 2.2 air-miles southwest of Van Nuys Civic Center, ca. 0.9 air-mile south of Victory Blvd, 0.9 air-mile west of the San Diego Freeway (405), 0.6 air-mile north of the Ventura Freeway (101); next to Apollo Field Model Airport, north bank of the Los Angeles River. Undesignated Section of El Encino Land Grant. 207 Comment
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Mar 10 2015
  CSUSB920  Petalonyx thurberi John N. Bullock 1970-5-8 Riverside 100 meters southeast of Ca. State Highway 195, 8.9 m. east of the All American Canal. 292 Comment
  UCR14316  Petunia parviflora A. C. Sanders 1974-3-24 621 Riverside Santa Ana River Valley, Santa Ana Riverbottom near city dump, Riverside; at mouth of Arroyo Tequesquite 244 Comment
  RSA471974  Peucephyllum schottii Jack Rempel 1932-11-13 16123 Riverside 10 miles up Palm Wash. Colorado Desert. Comment
  UC1546692  Peucephyllum schottii Barry A. Prigge 1988-2-21 7848 Riverside 2 mi w Clemens Well; Colorado Desert, Orocopia Mountains 228 Comment
  RSA234102  Phacelia ambigua Robert F. Thorne, R. Carolin 1967-3-21 41632 Riverside Joshua Tree National Monument: Cottonwood Springs. 915 Comment
  RSA427709B  Phacelia ambigua G. R. Johnstone 1930-4-14 14657 Riverside Shavers Well Comment
  RSA678381  Phacelia ambigua Steve Boyd, Amber Maurice, Pesach Lubinsky, Lel Lubinsky 2003-4-17 10444 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  RSA690984  Phacelia ambigua Scott D. White, Michael Honer 2003-5-14 9304 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  RSA487229  Phacelia brachyloba James L. Reveal, C. Rose Broome 1987-6-27 6607 Riverside San Jacinto Mtns, along California Hwy 243, 1.8 miles N of Mountain Center and 2.7 miles S of Idyllwild. 1494 Comment
  UCR238124  Phacelia brachyloba Mark A. Elvin, Julie M. Vanderwier, Frank Sartuche 2002-5-16 2039 Riverside Peninsular Range; Agua Tibia Mtns., Pechanga Indian Reservation, nameless drainage/wash south of Pala Rd. 335 Comment
  UCR35123  Phacelia campanularia L. B. Ziegler 1973-5-2 506 Riverside San Jacinto Mountains, Near Hwy 74, 0.25 to 1 mi. below Pinyon Flats 1189 Comment
  HSC13694  Phacelia campanularia subsp. vasiformis C. L. Hitchcock, C. V. Muhlick 1964-3-22 23245 Riverside Side canyon near S entrance to Joshua Tree National Monument Comment
  UC494750  Phacelia campanularia subsp. vasiformis Philip A. Munz and C. L. Hitchcock 1932-4-9 12230 Riverside e Riverside Co. White Tanks Comment
  RSA0110953  Phacelia campanularia subsp. vasiformis Rofena Lewis, F. Brubaker 1926-2-22 6500 Riverside Along Boulevard below Whitewater Bridge, head of Coachella Valley. Comment
  UCR213624  Phacelia cicutaria var. hispida A. C. Sanders, Matthew Malle 2010-4-23 37996 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  CLARK-A1045-308  Phacelia crenulata var. ambigua George K. Helmkamp 1977-3-20 Riverside Deep Canyon Pinyon Pines area; ; ; Palm Desert 15'Q 1066 Comment
  UC1287157  Phacelia crenulata var. ambigua C. L. Hitchcock 1966-3-16 24210 Riverside along Palms to Pines Hwy 4 mi s Palm Desert 609 Comment
  RSA588176  Phacelia imbricata subsp. patula D. L. Banks, V. W. Steinmann 1995-7-10 742 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak. 561 Comment
  UC68788  Phacelia ivesiana var. pediculoides L. A. Greata Apr. 1905 402 Riverside Coachella Comment
  POM229429  Phacelia lemmonii P. A. Munz 1937-5-29 15101 Riverside Edge of Pinyon Flat, Santa Rosa Mts. 1220 Comment
  RSA493824  Phacelia minor Maureen Pendleton 1988-2-22 s.n. Riverside Rancho Calif. area. ca. 8 mi. (airline) NW of Temecula, between Bruce Lane & Via View Dr. 732 Comment
  UCR167818  Phacelia minor A. C. Sanders 2005-4-21 29578 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  UCR174349  Phacelia minor A. C. Sanders 2006-5-19 32394 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
  UCR275197  Phacelia minor T. B. Salvato, Gregg Miller 2005-6-7 1451 Riverside Peninsular Range, Gavilan Hills, along dirt road E of Lindell (Stovepipe) Road, W of El Toro Road, and ca 4.5 mi NW of Lake Elsinore 671 Comment
  UCSB33378  Phacelia minor Marks, R. 1978-3-16 Riverside Top of hill 3/4 mi. W of orange grove at 3000 block of McAllister Rd., Riverside 457 Comment
  UC107583  Phacelia mutabilis A. W. Anthony 1895-7-13 Riverside San Jacinto Mts. Comment
  UC729828  Phacelia mutabilis Carl B. Wolf 1932-8-5 3936 Riverside along trail from Tahquitz Valley to San Jacinto Peak; San Jacinto Mts. 2621 Comment
  RSA351343  Phacelia parryi Robert F. Thorne, Walter Wisura, E. W. Lathrop, S. Meury 1985-5-18 60626 Riverside Santa Rosa Plateau: Burned-over chapparral along Clinton Keith Road, near base of plateau. 427 Comment
  UCR98690  Phacelia ramosissima S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  RSA764129  Phacelia suaveolens subsp. keckii L. M. Prince, Duncan S. Bell 2009-6-17 572 Riverside Cleveland National Forest Comment
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Jul 21 2018
  RSA678929  Phalaris angusta Scott D. White, Michael Honer 2003-6-3 9472 Riverside Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  RSA443396  Phalaris aquatica J. C. Roos 1965-6-19 s.n. Riverside Skyline Drive, S of Corona Comment
  SEINET10389802  Phalaris minor A. C. Sanders, Jim Malusa 2015-3-10 41380 Riverside north end of Chocolate Mountains, eastern canyon at Tabaseca Tank, US Navy Chocolate Mountains Aerial Gunnery Range 611 Comment
  UCR116474  Phalaris paradoxa A. C. Sanders, T. B. Salvato 2001-5-25 24374 Riverside San Jacinto Valley, west end of Hemet-Ryan airport runway, 50-200 m east of Warren Rd. and 100-200 m north of Stetson Ave. 457 Comment
  UCR2663  Phleum pratense F. M. Reed 1903-12-10 224 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 305 Comment
  SD67915  Phlox austromontana Reid Moran 1968-8-3 15364 Riverside On rocky north slope, ridge 1 mile NW of Toro Peak. 2250 Comment
  UCR110970  Phlox austromontana George K. Helmkamp 1998-6-27 4107 Riverside Santa Rosa Mtns., 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), below Mountain Home Spring 1799 Comment
  RSA459297  Pholistoma membranaceum N. C. Cooper 1944-3-25 1039 Riverside Morongo Pass. 457 Comment
  CAS-BOT-BC135104  Phoradendron californicum Roxana S. Ferris 1918-6-14 964 Riverside by stream at Plam Springs Comment
  RSA420764  Phoradendron californicum F. R. Fosberg 1932-3-13 8089 Riverside Thousand Palm Canyon, Coachella Valley Comment
  RSA713978  Phoradendron californicum A. C. Sanders, J. Andre, P. J. MacKay, Tim Thomas 2005-2-26 29129 Riverside Sonoran (Colorado) Desert: SE of Hwy 117 towards dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  SEINET10739282  Phoradendron californicum J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12847 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then several kilometers on Whitewater Canyon Road to where it crosses over the river. Comment
  UCD84929  Phoradendron californicum Chuck Hughes 2010-3-22 201 Riverside Edge of Rice-Midland Road. 268 Comment
  UCR195798  Phoradendron densum Jim Andre, T. La Doux 2007-9-6 8702 Riverside Little San Bernardino Mountains, Joshua Tree National Park, c. 5 mi south of west entrance 1226 Comment
  UCR48630  Phoradendron densum Dennis E. Kucera 1987-2-16 s.n. Riverside SE Mojave Desert, Coxcomb Mtns, near VABM Aqua, N end of range 1280 Comment
  CAS-BOT-BC135178  Phoradendron juniperinum Louis C. Wheeler 1931-10-3 243 Riverside 1 1/2 mi NW Tahquitz Peak, San Jacinto Mts. 1920 Comment
  CAS-BOT-BC135181  Phoradendron juniperinum Edmund C. Jaeger 1922-6-20 s.n. Riverside Caramba Camp. Tacquitz Creek, San Jacinto Mts. Comment
  UCR181058  Phoradendron macrophyllum Mitch Provance 2001-3-3 3521 Riverside San Bernardino Valley, Vicinity of Casa Blanca, NW corner of St. Lawrence St. and Victoria Avenue 274 Comment
  POM12141  Phoradendron villosum Mary F. Spencer 1921-6-13 s.n. Riverside Idyllwild 1616 Comment
  RSA654165  Phoradendron villosum A. C. Sanders, Steve D. Boyd, Mitch Provance, J. Ross 1998-10-25 22285 Riverside San Jacinto Mtns.: Pine Meadow along Hwy 74 in Garner Valley (eastern), 1 mi. NW of Hwy 371 junction to Anza 1441 Comment
  OBI9161  Physalis crassifolia Robert F. Hoover 1966-10-15 10180 Riverside Bighorn Dr, San Jacinto Mts. At base of rocks Comment
  RSA423818  Physalis crassifolia N. C. Cooper 1949-4-8 3307 Riverside Desert Center. 610 Comment
  RSA678355  Physalis crassifolia Steve D. Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10472 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  SBBG6615  Physalis crassifolia H. and M. Dearing 1940-6-7 4336 Riverside Box Cyn Comment
  UC397416  Physalis crassifolia P. A. Munz 1921-4-30 4508 Riverside Pinyon Well 1219 Comment
  UCR26585  Physalis crassifolia W. C. Anderson 1968-4-22 680422 10 Riverside Sonoran (Colorado) Desert, 2 mi. south of Cottonwood Guard Station, Joshua Tree National Monument [now Park] Comment
  UCR37627  Physalis crassifolia George K. Helmkamp 1984-5-2 D 19 Riverside Little San Bernardino Mountains, Big Morongo Canyon, 3 - 3.5 miles below the caretaker's house at the Big Morongo Preserve 610 Comment
  UCR41331  Physalis crassifolia N. M. Fellows, A. C. Sanders 1985-5-7 170 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  UC64878  Physalis philadelphica H. M. Hall 1897-7-3 Riverside near Riverside Comment
  UCR36315  Pinus coulteri R. M. Adams 1982-3-8 62-054 185 Riverside San Jacinto Mtns., in Bay Tree Flats, 1.2 mi south of Vista Grande Ranger Station Comment
  UC1506123  Pinus jeffreyi R. T. Clausen 1963-4-24 63065 Riverside summit Thomas Mt; Transverse Ranges, San Jacinto Mts., Thomas Mt 2080 Comment
  UC1600404  Pinus lambertiana H. M. Hall 1901-1-1 2614 Riverside Tauquitz Peak San Jacinto Mts., Tauquitz Peak 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
  UC1200619  Pinus ponderosa Peter Kamb 1945-11-18 11 Riverside Hall Canyon San Jacinto Mts. 1645 Comment
  CAS-BOT-BC79088  Pinus quadrifolia Victor Duran 1933-7-2 3495 Riverside near Santa Rosa, Santa Rosa Mountains 1676 Comment
  RSA701503  Piperia transversa Naomi Fraga, Sarah J. De Groot 2004-7-8 1300 Riverside On Chimney Flats Road (5S06) near intersection of 5S04 (the road to Alvin Meadows). 1524 Comment
  RSA741423  Piptatherum miliaceum Justin M. Wood 2008-12-2 260 Riverside City of Temecula, Murrieta Creek, downstream of 1st street bridge. 290 Comment
  UCR213677  Plagiobothrys acanthocarpus Stan C. Spencer 2010-3-17 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, Hemet, Hemet-Ryan Airport 460 Comment
  CLARK-A1528-2258  Plagiobothrys californicus John C. Roos 1941-4-19 Riverside Reche Canyon Comment
  SBBG87985  Plagiobothrys canescens B. Wagner 1988-3-9 Riverside Benton Rd and San Diego aqueduct, 0.5 mi E of Winchester Rd, NE of Murrieta 411 Comment
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Mar 20 2011
  SD247370  Plagiobothrys canescens A. C. Sanders 2013-4-9 40784 Riverside Peninsular Range; Perris-Aguanga Basin; Romoland, along SCE powerline route east of I-15, parallel to McLaughlin Rd., west of Trumble Rdl, SE of Perris. 436 Comment
  UCR232029  Plagiobothrys canescens John F. Green 2008-4-15 0408- 01 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  UCR144753  Plagiobothrys collinus Scott D. White, Michael Honer 2003-4-2 8902 Riverside Peninsular Range, Temescal Canyon, just west of I-15 Freeway and northeast of Lawson Dr. 366 Comment
  UCR6298  Plagiobothrys collinus var. californicus Helen Leach 1967-3-2 670302- 3 Riverside Pedley 229 Comment
  UCR241608  Plagiobothrys collinus var. fulvescens A. C. Sanders, Timothy W. Chumley 2013-4-2 40747 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., near I-15 Fwy, SE of Corona (Lee) Lake 377 Comment
  UC219099  Plagiobothrys leptocladus P. A. Munz and I. M. Johnston 1922-5-19 5369 Riverside Menifee Valley Comment
  UCR234432  Plagiobothrys leptocladus Jeremiah George 2012-3-4 s.n. Riverside Peninsular Range; Elsinore Trough, Lake Elsinore area, south of Nichols Rd. and east of Baker St. 387 Comment
  RSA659690  Plagiobothrys tenellus J. C. Roos 1947-3-21 3367 Riverside Plateau, Reche Canyon 366 Comment
  UCR171210  Plantago elongata R. E. Riefner Jr. 2006-4-8 06- 107 Riverside Peninsular Range, Lake Elsinore (city), back basin of lake Elsinore west of Pete Lehr Dr. and south of levee near Diamond Stadium 419 Comment
  PASA25  Plantago erecta 1926-2-21 Riverside Thousand Palms Comment
  SD239885  Plantago erecta A. C. Sanders, T. B. Salvato 2011-3-28 38821 Riverside Peninsular Range; Perris-Aguanga Basin Region: Menifee Valley, powerline corridor along McLauglin Road, west of Murrieta Road, north of Sun City (Romoland 7.5'Q) 438 Comment
  UC1536775  Plantago erecta G. H. True 1935-3-13 89 Riverside Mockingbird Canyon 457 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
  RSA650897  Plantago lanceolata Charles Slattery 1948-5-6 s.n. Riverside Found 1 mile south of Corona along Main Street. 238 Comment
  POM11519  Plantago major P. A. Munz 1922-7-2 5944 Riverside Santa Rosa, Santa Rosa Mtns. [=Old Santa Rosa Village, ca 1 mi SSE of Santa Rosa Mtn] 1982 Comment
  JEPS7174  Plantago ovata Marjorie D. Clary 1932-3-27 1682 Riverside 5 mi n Indio; Indio Hills 152 Comment
  OBI36036  Plantago ovata David J. Keil 1976-12-12 11917 Riverside Along I-10, 37 mi E of Chiriaco Summit 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
  UC69215  Plantago ovata E. E. Schellenger Apr 1905 Riverside Santa Maria Mts. Colorado Desert Comment
  UCR214167  Plantago ovata T. B. Salvato 2010-4-20 4065 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  RSA278979  Plantago ovata var. fastigiata Barry A. Prigge, L. Martinez 1978-3-23 2425 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  RSA402037B  Plantago ovata var. fastigiata M. B. Dunkle 1935-3-17 4408 Riverside Desert Center. 610 Comment
  UC511117  Platystemon californicus Lyman Benson 1932-3-26 3162 Riverside 3 mi n Temecula (San Jacinto Mt. Range); San Jacinto Mt. Range 457 Comment
  UCR213539  Platystemon californicus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37834 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
  RSA0014931  Plectritis ciliosa LeRoy Gross, Caitlin Elam, Evan Meyer 2013-5-7 6039 Riverside West of the community of Pine Cove, near Idyllwild. Out-skirt of the community and Red Hill road (5S10). Near 1720 Comment
  UC28847  Plectritis ciliosa subsp. insignis H. M. Hall May 1899 1126 Riverside San Jacinto Mountains, on Chalk Hill Chalk Hill; San Jacinto Mountains, Chalk Hill 1584 Comment
  RSA0027563  Pleuraphis rigida April Garbat, Sarah Fisher, Kristin Forgrave 2013-8-1 97 Riverside Chuckwalla Valley. Intersection of Graham Pass Rd and Chuckwalla Valley Rd. 120 Comment
  RSA678444  Pleuraphis rigida Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10492 -A Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UC724190  Pleuraphis rigida Aven and Ruth Nelson 1939-3-30 3342 Riverside Hiway 60 near Desert Center Comment
  CAS-BOT-BC326638  Pleurocoronis pluriseta Munz; Street; Williams 1919-3-25 2329 Riverside Palm Canyon, Palm Springs, Colorado Desert Comment
  POM48450  Pleurocoronis pluriseta P. A. Munz 1925-3-7 9346 Riverside Painted Canyon, Mecca. Comment
  UCR220311  Pluchea odorata Bill Wagner 2005-10-7 s.n. Riverside Peninsular Range; Gavilan Hills Region, Cajalco Flood Control Basin site (proposed, since constructed), at NE corner of El Sobrante Rd. and Cajalco Rd. 447 Comment
  CAS-BOT-BC326533  Pluchea sericea Roxana S. Ferris 1918-6-19 1007 Riverside Colorado River bottoms at Blythe Comment
  CAS-BOT-BC326538  Pluchea sericea C. F. Baker 1903-4-4 4148 Riverside Elsinore Comment
  POM147498  Poa annua F. M. Reed 1928-4-18 5858 Riverside Sand in San Luis Rey River, Vail Ranch. Comment
  RSA740947  Poa pratensis Scott D. White, Justin M. Wood 2008-6-17 12186 -A Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  RSA741114  Poa pratensis Scott D. White, Justin M. Wood 2008-6-18 12239 Riverside Meadow N/W of Keen Camp Summit, S/W of hwy 79. 1402 Comment
  UCR201678  Poa pratensis Scott D. White, Justin M. Wood 2008-6-19 12266 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  RSA502899  Poa secunda 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
  SBBG56756  Poa secunda R. Hoffmann 1929-9-6 Riverside San Jacinto Mtns 2590 Comment
  UCR113047  Poa secunda Mitch Provance, Seychelle Provance 1998-3-3 136 Riverside Riverside, top of North Hill, along the S edge of Lake Evans 960 Comment
  UCR91355  Poa secunda Scott D. White 1995-4-5 2711 Riverside Moreno Valley, Base of slope in 'Badlands', off [Moreno-Redlands] Blvd 640 Comment
  UC188893  Poa secunda subsp. secunda F. M. Reed 1905-2-26 671 Riverside 1/8 mi e of Victoria Club House Riverside (bank of Arroyo Tequesquite) Comment
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Jul 30 2006
  RSA674526  Polygonum arenastrum Scott D. White 2000-11-15 8149 Riverside Idyllwild area, 'Strawberry Fuelbreak' between 'Inspiration Pt.' and Strawberry Ck. 1402 Comment
  POM248407  Polygonum fusiforme Philip Crow 1939-7-12 s.n. Riverside Blythe. Comment
  RSA466335A  Polygonum hydropiperoides J. Ewan 1931-10-3 5211 Riverside Santa Ana River, 4 mi. NW if Corona. Comment
  UCR82834  Polygonum lapathifolium A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15812 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  RSA528096  Polygonum punctatum S. J. Myers 1990-12-5 s.n. Riverside Louis Rubidoux Nature Center: along the drainage that connects to the Sunnyslope Channel, and to the confluence with the Santa Ana River. (Near 33d 58'N, 117D 27'W) 213 Comment
  UCR49987  Polygonum punctatum S. J. Myers 1987-10-27 s.n. Riverside Peninsular Range; Santa Ana Mtns., c. 3 mi. west of Temecula, NE portion of Santa Rosa Plateau, 3/4 mi. east of Walker Basin 488 Comment
  UCD91318  Polypogon monspeliensis John Green 2005-5-4 s.n. Riverside Perris-Aguanga Region: SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base. 533 Comment
  IRVC170  Polystichum imbricans subsp. curtum Debbi DeVault 1965-4-24 HS 556 Riverside Highway 74; 1/4 mile SE of Keen Camp Summit. Peninsular Ranges, San Jacinto Mountains Comment
  CAS-BOT-BC102583  Populus fremontii Carl B. Wolf 1932-4-28 3084 Riverside Colorado Desert, along the Colorado River near the Blythe Bridge 91 Comment
  CAS-BOT-BC102588  Populus fremontii W. R. Dudley 1903-12-25 s.n. Riverside Palm Springs Comment
  JEPS64525  Populus fremontii subsp. fremontii W. L. Jepson 1928-4-25 12589 Riverside Cottonwood Spr.; Colorado Desert, Cottonwood Mts., Cottonwood Spr. 731 Comment
  JOTR31985  Porophyllum gracile La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2220 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; small bowl with underground water seep at top of bouldery canyon 815 Comment
  PASA1571  Porophyllum gracile Margaret Stason April 1932 Riverside Few miles west of Blythe Comment
  CAS-BOT-BC233729  Portulaca halimoides John Roos; Lucille Roos 1952-10-18 5900 Riverside Hidden Valley Campground, Little San Bernardino Mts. 1219 Comment
  RSA85564  Potamogeton pusillus F. W. Peirson 1922-5-21 4116 Riverside Thomas Ranch, Hemet Valley, San Jacinto Mtns. 1338 Comment
  UCR16783  Potentilla glandulosa S. Riddell 1973-5-17 730517- 9 Riverside Santa Ana Mtns, Picnic Ground of El Cariso Fire Station on Hwy 74 793 Comment
  RSA200061  Potentilla gracilis var. elmeri L. B. Ziegler 1967-8-1 s.n. Riverside Upper Hurkey Creek south side of San Jacinto Mts. Comment
  CDA39093  Prosopis glandulosa Mike Lahti 2013-5-2 PDR# 331 P06141962 Riverside Aguanga; Hwy. 79 south and Hwy. 371. 0 Comment
  CAS-BOT-BC206990  Prosopis glandulosa var. torreyana Dr. Barton W. Evermann 1916-5-13 s.n. Riverside Cottonwood Springs Comment
  RSA786235  Prunus fremontii C. P. Cowan 1978-4-23 1222 Riverside 12.1 mi (19.2 km) S on Hwy 74 from jct with Hwy 111 at Indian Wells. Whittaker transect no.W-220 (voucher). 950 Comment
  UCR250576  Prunus ilicifolia A. C. Sanders 2014-4-25 41074 Riverside Peninsular Range, Temescal Canyon, Richland property near Horsethief Canyon Rd., SW of I-15 381 Comment
  CAS-BOT-BC356349  Psathyrotes ramosissima K. Bonner 1977-10-27 2608 Riverside 3 miles East of Chuckwalla Rd. 195 Comment
  CLARK-A1528-4851  Psathyrotes ramosissima John C. Roos 1947-2-1 3227 Riverside Painted Canyon Comment
  UC90699  Psathyrotes ramosissima unknown Nov 1891 Riverside Salton Comment
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Sep 11 2011
  SD234306  Pseudognaphalium beneolens R. E. Riefner Jr. 2006-9-14 06 432 Riverside Peninsular Range: Temecula, Temecula Valley, Hwy 79 at Old Town Front Rd. 305 Comment
  SBBG133559  Pseudognaphalium biolettii S. C. White 2004-4-26 10263 Riverside San Jacinto Mtn foothills, Soboba Indian Reservation, Indian Crk Watershed 518 Comment
  POM160116  Psilocarphus brevissimus E. C. Jaeger 1927-4-26 s.n. Riverside Elsinore Comment
  RSA344289  Psilocarphus brevissimus R. F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 51970 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  SD244088  Psilocarphus brevissimus T. B. Salvato, Matt MallA^, Tom Sullivan 2013-3-27 7444 Riverside Perris-Aguanga Basin: Menifee, vacant lot north of Newcomp Substation, at southwest corner of Lazy Creek Road and Murrieta Road, (Romoland 7.5'Q) 431 Comment
  UCR155087  Psilocarphus brevissimus A. C. Sanders, Kelly Volansky 2005-3-17 29232 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
  CAS-BOT-BC361786  Psilocarphus brevissimus var. brevissimus A. C. Sanders 1993-5-12 13996 Riverside Hemet, SW corner of the intersection of Florida Ave. (Hwy 74) and Warren Rd., between the New San Diego Aqueduct and Warren 460 Comment
  SJSU5521  Psilostrophe cooperi R. C. McGehee 1970-4-16 215 Riverside by road between Wileys Well & Nyland Comment
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Aug 30 2007
  CAS-BOT-BC346360  Psorothamnus W. R. Dudley 1895-1-2 s.n. Riverside Along railroad below Palm Springs Station Comment
  SBBG46429  Psorothamnus arborescens C. H. Muller 1952-5-21 9515 Riverside outwash plain at mouth of Morongo Cyn Comment
  UCSC000914  Psorothamnus arborescens var. simplicifolius Peter Kamb 1948-4-11 865 Riverside Aquaduct road 5 mi east of Garnet Garnet - Coachella Valley 305 Comment
  LA205187  Psorothamnus emoryi W. B. Welch; 1928-5-5 sn Riverside Painted Canyon Comment
  LA205190  Psorothamnus emoryi S. Atsatt; 1926-4-17 sn Riverside Palm Springs Comment
  UC61515  Psorothamnus emoryi L. D. Copeland May 1904 Riverside West Canyon , West Canyon (Palm Springs) Comment
  RSA336188  Psorothamnus schottii Robert F. Thorne 1978-4-23 52045 Riverside Just E of Palm Desert. Comment
  UCR166543  Psorothamnus schottii Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10891 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  JEPS41683  Psorothamnus spinosus S. B. Parish 1912-6-28 8167 Riverside Red Canyon near Mecca; Red Canyon near Mecca Comment
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Nov 24 2011
  POM22365  Psorothamnus spinosus Marjorie D. Clary 1929-10 s.n. Riverside Coachella Valley Comment
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Jul 24 2010
  CAS-BOT-BC421253  Pterostegia drymarioides Susan G. Stokes 1934-7-1 313 Riverside San Jacinto Mt. 1066 Comment
  CAS-BOT-BC421258  Pterostegia drymarioides A. C. Sanders; T. B. Salvato; Matthew Malle; Jonas Winbolt; Katie A. Kurtz 2010-4-2 37735 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
  RSA392940  Pterostegia drymarioides N. C. Cooper 1944-6-17 1439 Riverside San Jacinto Mountain. West side. 1372 Comment
  RSA757636  Pterostegia drymarioides LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4318 Riverside From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  UCR136271  Pterostegia drymarioides A. C. Sanders 2004-4-20 27551 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
  UCSB18445  Pterostegia drymarioides Keith, Sheldon 1963-5-5 Riverside State Highway 74, 10.8 miles SW of Palm Desert 914 Comment
  CLARK-A1528-5621  Pulicaria hispanica John C. Roos 1962-10-19 Riverside Whitewater 548 Comment
  RSA736652  Pulicaria paludosa Justin M. Wood 2008-7-16 34 Riverside Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan property, Alberhill area. Comment
  SD262213  Pulicaria paludosa Mitch Provance 2012-8-1 812 4 Riverside Colorado Desert: Thousand Palms Canyon Road, A+- 2/3 of the way up into the canyon. (Myoma 7.5'Q) 139 Comment
  UCR169495  Quercus X morehus Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 12- 85 Riverside San Jacinto Mtns, San Bernardino National Forest, 10 miles north of Idyllwild on Hwy 243 near Lake Fulmor, Site L12 1637 Comment
  RSA50465  Quercus X munzii P. A. Munz 1946-10-21 11590 Riverside Live Oak Tank, Joshua Tree National Monument. 1220 Comment
  SEINET13953033 Image available Quercus agrifolia Martha P. Creighton 1952-1 464 Riverside 12 miles east of Hemet Comment
  RSA78297B  Quercus agrifolia var. oxyadenia P. A. Munz, E. K. Balls 1952-8-21 17994 -B Riverside on dry granitic flat, Southern Oak Woodland, 1 mi. w. of Popppet Flat, Banning-Idyllwild Rd. 1220 Comment
  SDSU13915  Quercus berberidifolia Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2148 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, northern end of northern most (narrow) deer grass meadow. 646 Comment
  UCR108845  Quercus berberidifolia Heidi A. Haid 1969-8-20 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  UCR264648  Quercus berberidifolia Mitch Provance, Jeremiah George 2012-8-4 812- 35 Riverside Western Riverside County, Badlands south of Beaumont, Potrero Creek, E side of Highland Springs Ave., between Breckenridge and the entrance to Potrero 752 Comment
  UCR271512  Quercus berberidifolia T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8349 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  UCR273005  Quercus berberidifolia Mitch Provance 2012-8-30 17431 Riverside San Bernardino Mountains, Banning Bench, along E side of Bluff St, overlooking the San Gorgonio River 1067 Comment
  UCR275942  Quercus berberidifolia T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3791 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
  RSA526499  Quercus chrysolepis Steve Boyd, T. S. Ross 1990-5-11 4694 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  UCR2937  Quercus engelmannii Wm. Horn Jr. 1963-4-20 630420- 2 Riverside Santa Ana Mtns., [Santa Rosa Plateau, on Tenaja Road west of] Murrieta, 100 yards west of dirt road to Tenaja Ranger Station, 4.8 miles west of Santa Rosa Ranch gate. 305 Comment
  UCR40270  Quercus engelmannii Steve Boyd 1985-7-30 1047 Riverside Santa Ana Mtns., Santa Rosa Plateau, De Luz Road, 7.8 - 10 mi. west of Rancho California Comment
  RSA0028790  Quercus kelloggii C. Epling 1931-10-4 s.n. Riverside Strawberry Valley, San Jacinto Mts. 1585 Comment
  SEINET3382770  Quercus turbinella Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17496 Riverside 300m south of Desert Queen Mine (McHaney;s Mine), 12.5km SSW of Twenty Nine Palms, 1.5km ESE of Negro Hill, Canyon of granite outcroppings and boulders. 1360 Comment
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Aug 24 2013
  SD212631  Quercus wislizeni T. B. Salvato 2004-5-27 592 Riverside Head of Banning Canyon close to the San Bernardino County line, 0.5 mile southeast of Oak Glen Conservation Camp. 1402 Comment
  UCD47608  Quercus wislizeni Louis B. Ziegler 1969-10-24 s.n. Riverside Near Kenworthy Ranger Station, Hemet Valley, San Jacinto Mts. 1417 Comment
  UCSB34697  Quercus wislizeni var. frutescens Nixon, Kevin; Hendon, Emily 1980-5-23 Riverside 9 miles northwest of Idyllwild on Calif. Hwy 243, San Jacinto Mtns Comment
  RSA519235  Rafinesquia californica Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. All of sec. 33, W/2 sec. 34, NW/4 sec. 3 [T6S] and a small portion of eastern sec 35. 488 Comment
  RSA525415  Rafinesquia californica Steve Boyd, Laurel Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4523 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at junction of Highway R3 and Powerline Road, NE of the lake. Comment
  RSA747731  Rafinesquia neomexicana Scott D. White, Justin M. Wood 2009-3-24 12567 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
  RSA772843  Rafinesquia neomexicana Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4720 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 600 Comment
  UC566695  Rafinesquia neomexicana Margaret Stason 1927-3-12 Riverside Colorado Desert, Painted Canyon Comment
  UC1929612  Ranunculus californicus Scott D. White 2003-3-21 8817 Riverside SANTA ANA MOUNTAIN FOOTHILLS: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. Comment
  CAS-BOT-BC378491  Ranunculus californicus var. californicus E. W. Lathrop 1960-4-8 4745 Riverside 14 mi west of Murrieta Comment
  SEINET1004379  Rhamnus crocea T. B. Salvato, Kent Beaman 2005-1 859 Riverside San Jacinto Mtn foothills: San Jacinto River E of Valle Vista, just downstream from Forest Service boundry and N of CA Hwy 74 549 Comment
  LA207824  Rhamnus crocea subsp. ilicifolia W. E. Pequegnat; 1939-4-8 19 Riverside Santa Ana Mountains Comment
  JOTR31124  Rhamnus ilicifolia La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 2506 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Sandy narrow canyon at base of Quail Mountain with bouldery/rocky slopes; North end of Juniper Flats (Stop 3) Comment
  RSA391106  Rhamnus ilicifolia A. M. Johnson 4133 Riverside Open sunny area, along road, east side of chaparral. Comment
  UCR240648  Rhamnus ilicifolia Tracy Tennant, Mitch Provance 1998-6-16 MOR- 415 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  UCR97679  Rhamnus ilicifolia A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19910 Riverside Lake Skinner area, upper Rawson Canyon, 2.5 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley 595 Comment
  POM8688  Rhus ovata P. A. Munz, Harwood 1920-2-28 3263 Riverside 2 mi. southwest of Corona. 305 Comment
  HSC86990  Ribes indecorum Maureen Pendleton 1988-2-22 Riverside Rancho California area, ca. 8 mi. (airline) NW of Temecula, between Bruce Lane and Via View Dr. 701 Comment
  RSA1173  Ribes indecorum B. D. Stark 1930-3-18 1487 c Riverside 1/2 way up west side of Mt San Jacinto. Comment
  RSA717839  Ribes indecorum T. B. Salvato, Jeffrey Ross 1998-5-14 MOR- 132 Riverside Morongo Indian Reservation, flat area cut by small wash, south and west of dirt road to Kitching Peak near junction with East Branch Millard Canyon, tree stand M-04. 1128 Comment
  UCD170397  Ribes indecorum B. Pitzer 1998-1-25 3415 Riverside Lakeview Mtns., Reinhardt Canyon, Maze Stone County Park, at N terminus of California Avenue. 610 Comment
  UCR158448  Ribes indecorum 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
  UCR178148  Ribes indecorum Tracy Tennant, Jeffrey Ross 1998-3-10 MOR- 1020 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, low hills on the south side of Wood Canyon near its mouth, tree stand W-5 1280 Comment
  UCR51365  Ribes indecorum A. C. Sanders 1988-1-30 7591 Riverside Peninsular Range, Eastern foothills of the Santa Ana Mountains, c. midway between Murrieta and Temecula. Los Cerritos Ranch and adjacent 80 acre property to the NW; north of Cherry St., west of Adams Ave, south of Meadowlark Ridge Lane and Elm St 366 Comment
  UCSB7025  Ribes malvaceum var. malvaceum Gill, Robert 1959-3-14 Riverside Santa Ana Mtn Range; Road to Black Star Canyon; Oak flat; from Corona site 365 Comment
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Nov 24 2014
  CAS-BOT-BC219232  Ribes nevadense Jennifer H. Jones; Thi (Teresa) Bui; Holly Summers 2006-5-31 354 Riverside Parking lot and stream below parking lot on CA Highway 243 across road from Lake Fulmor, San Jacinto Mountains 1616 Comment
  RSA60417  Ribes roezlii Frank W. Gould 1943-4-18 2137 Riverside 12 miles E [NW] of Idyllwild Comment
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Sep 29 2011
  UC57361  Ribes roezlii H. M. Hall July, 1901 2259 Riverside Fuller's Mills Mountains San Jacinto Mountains 1645 Comment
  OBI14008  Ribes speciosum Tracey & Viola Call, Viola Call 1962-3-21 2100 Riverside Tin mine Cyn, near roaside Comment
  UCR213500  Romneya coulteri A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-18 38409 Riverside Peninsular Range, southeastern Gavilan Hills near Alberhill, north of Concordia Ranch Rd. and Black Powder Rd., 0.2 mi. NNE (19 deg. ) of north end of Black Powder Rd. 415 Comment
  UCR217508  Romneya coulteri Jeff B. Galvin 2008-5-15 46 Riverside Peninsular Ranges, Gavilan Plateau, Estelle Mountain. Steep slope of drainage emptying into Walker Canyon. ~ 680 m east of hwy 15 446 Comment
  UCR114544  Rorippa nasturtium-aquaticum A. C. Sanders, K. C. Rose 1999-6-18 22812 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave. near Rawson Rd. 451 Comment
  SEINET239057 Image available Rostraria cristata Mitch Provance 1998-3-20 174 B Riverside Riverside area: Jurupa Mtns. pass west of Rattlesnake Mtn. along the E side of Armstrong Rd. ca. 1/8 mi. S of the San 313 Comment
  UCR158322  Rumex crispus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30065 Riverside Peninsular Range, Agua Tibia Mountains, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UCR128074  Rumex dentatus A. C. Sanders, K. C. Rose 1999-6-18 22829 Riverside Domenigoni Valley, upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, south of Winchester 433 Comment
  POM13395  Rumex salicifolius E. C. Jaeger 1922-8-22 1019 Riverside Long Valley. 2530 Comment
  UCR80798  Rumex salicifolius Scott D. White 1993-5-29 1479 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1372 Comment
  UCR35079  Rumex salicifolius var. denticulatus L. B. Ziegler 1969-6-10 373 Riverside San Jacinto Mtns., Hemet Valley (= Garner Valley) 1433 Comment
  JEPS62518  Salazaria mexicana Marjorie D. Clary 1932-5-26 1158 Riverside s of 29 Palms Hexie Mt. (Pleasant Valley); , Pleasant Valley 1066 Comment
  UC284659  Salazaria mexicana Ivan Johnston 1917-4-4 Riverside Palm Canyon; Colorado Desert, Palm Canyon 457 Comment
  UC883833  Salazaria mexicana C. L. Hitchcock 1940-4-1 5905 Riverside 1 mi below Cottonwood Springs (Joshua Tree National Monument); , below Cottonwood Springs Comment
  UCR211718  Salicornia subterminalis Fred M. Roberts, D. E. Bramlet 2005-6-8 6249 Riverside Perris Basin, San Jacinto Valley, Upper Salt Creek drainage, north of Stetson and west of MWD canal, 1.6 km west of Ryan Airfield 454 Comment
  RSA653223  Salix John Wallace, Steve McNabb 1991-5-5 11 Riverside Colorado River. Comment
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Jun 13 2012
  POM2076  Salix exigua I. M. Johnston 1918-5-26 1994 Riverside Santa Ana River, NW of Corona. 152 Comment
  POM319273  Salix exigua Patricia Wilder 1971-3-20 4905 Riverside Along Santa Ana River at end of Pedley Steet, Norco; south side of river 244 Comment
  SJSU258  Salix exigua Mrs. H. P. Bracelin 1932-4-12 602 Riverside E side of bridge over Santa Ana R, 4.8 km N of Arlington on rd to Pedley, W of Riverside 240 Comment
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Mar 26 2011
  UC483064  Salix exigua F. R. Fosberg 1932-3-13 8082 Riverside upper palm grove along stream Thousand Palms Canyon; Coachella Valley, Thousand Palms Canyon Comment
  SDSU13347  Salix exigua var. hindsiana Joseph R. Verfaillie, BIO 531 Taxonomy class (SDSU), M. G. Simpson 2000-4-1 30 Riverside Santa Margarita Ecological Reserve (SDSU). Near the center of the gorge, near the pipe line crossing. 239 Comment
  SDSU13350  Salix exigua var. hindsiana Joseph R. Verfaillie, BIO 531 Taxonomy class (SDSU) 2000-4-1 29 Riverside Santa Margarita Ecological Reserve (SDSU). Near the center of the canyon, near the pipe line crossing. 239 Comment
  CHSC1621  Salix gooddingii S. Westerberg 1938-4-17 Riverside Lake Elsinore Comment
  JOTR32525  Salix gooddingii La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2609 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
  LA208658  Salix gooddingii Carl Epling; J. Ewan June 1933 Riverside S shore Lake Elsinore Comment
  LA208659  Salix gooddingii Carl B. Wolf; 1932-4-28 3085 Riverside back of Colorado River, about 800 m from State Inspection Station, on way to Blythe Bridge 90.0 Comment
  POM178784  Salix gooddingii Marcus E. Jones 1930-4-2 26030 Riverside Blythe. Comment
  POM319097  Salix gooddingii Patricia Wilder 1971-9-29 5274 Riverside San Jacinto River drainage area. 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
  UC492427  Salix gooddingii Carl W. Sharsmith 1932-3-20 14 Riverside 3 meters above its mouth Diablo Canyon (near Clary's Coral Reef Ranch); Colorado Desert, foot of e slope Santa Rosa Mts., Diablo Can Comment
  SD178249  Salix laevigata A. C. Sanders 2004-5-12 27867 Riverside Elsinore Basin Region: Walker Canyon at north foot of Alberhill Mountain, Temescal Creek. 377 Comment
  UCR11307  Salix laevigata O. F. Clarke, M. Alexander 1971-3-31 s.n. Riverside Santa Ana River Bottom, Union Pacific Bridge 213 Comment
  UCR93828  Salix laevigata G. R. Ballmer, K. T. Stockwell 1995-6-8 s.n. Riverside Peninsular Range, Warm Springs Creek, Budweiser Ranch, 0.25-1 mi upstream of Los Alamos Road crossing 457 Comment
  SD108927  Salix lasiandra var. lasiandra James Henrickson 1973-3-18 8617 Riverside Ca 37 (air) miles east of Temecula, on Coyote Canyon Trail, SE of Terwilliger, ca 3 miles N of San Diego Co. line Comment
  POM50388  Salix lasiolepis W. W. Eggleston 1924-3-10 19540 Riverside San Jacinto Station, Cleveland Forest 600 Comment
  POM177764  Salix melanopsis Marcus E. Jones 1930-3-15 26531 Riverside Eagle Mountains. Comment
  UC219098  Salix scouleriana P. A. Munz and I. M. Johnston 1922-5-21 5518 Riverside along stream 1 mi. from Hemet Reservoir; San Jacinto Mts., Hemet Valley 1386 Comment
  CAS-BOT-BC126320  Salix sessilifolia Mrs. H. P. Bracelin 1932-4-12 599 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside 240 Comment
  CLARK-A1528-416  Salsola iberica Fred B. Essig 1966-9-12 Riverside Santa Ana River Comment
  UCR261417  Salsola paulsenii A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41424 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  RSA289821  Salsola paulsenii B. A. Prigge 1980-9-16 4304 Riverside Coachella Valley Stormwater Channel; east of Point Happy at Washington St. x channel 21 Comment
  CAS-BOT-BC232920  Saltugilia latimeri Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mount San Jacinto Comment
  UC61511  Salvia apiana L. D. Copeland Apr 1904 Riverside West Canyon West Canyon, Palm Springs; Palm Springs Comment
  UCR112309  Salvia apiana A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23449 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
  RSA586092  Salvia columbariae D. L. Banks, Steve D. Boyd 1995-4-5 133 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, E of the Dripping Springs Trail., In the N flowing drainage that empties into Arroyo Seco. 610 Comment
  SEINET1004378  Salvia columbariae T. B. Salvato, Kent Beaman 2005-1 850 Riverside San Jacinto Mtn foothills: San Jacinto River E of Valle Vista, just downstream from the Forest Service boundry and N of Ca hwy 74. 549 Comment
  SEINET7063422  Salvia columbariae A. G. Vestal 1947-3-29 s.n. Riverside East of Lake Elsinore along Railroad Canyon. UTM Zone 11, 473626mE, 3725052mN. (WGS84/NAD83). 411 Comment
  UC1124712  Salvia columbariae A. Lewis Mar 1934 326 Riverside Bedford Canyon; Corona Quad. 335 Comment
  UCR154395  Salvia columbariae A. C. Sanders, Mike Misenhelter 2005-6-15 30973 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  UCR234248  Salvia columbariae A. C. Sanders, T. B. Salvato 2012-4-27 40094 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy/I-15 and Indian Truck Trail, 265 m NW of El Hermano Rd. 310 Comment
  UCR245738  Salvia columbariae Naomi Fraga, David Fracker, Thomas Stoughton 2012-3-15 3943 Riverside Sonoran (Colorado) Desert, off of Box Canyon Rd., south of Shaver Well in a wash 229 Comment
  RSA664086  Salvia columbariae var. columbariae Bruce Albert 1982-4-17 70 Riverside Hillside west of Lake Mathews Road, 2 miles south of Cajalco Road. Comment
  JEPS16866  Salvia greatae Marjorie D. Clary 1938-4-17 2844 Riverside n of Salton Sea (bajada at base of Orocopia Mts); Orocopia Mts. 243 Comment
  RSA580061  Salvia greatae C. Epling, Mrs. Epling 1937-6-10 s.n. Riverside Hidden Spring near Mecca. Comment
  SD70009  Salvia greatae Darley F. Howe 1968-3-17 4494 Riverside Salton Creek between Orocopia and Chocolate Mountains. 121 Comment
  SD241881  Salvia mellifera Jay Walker, R. C. Walker 2004-4-14 3086 Riverside 1.6 m W of Radec (jct 79 and R3), along Cutca Valley Road, 0.3 miles from jct with hwy 79. Comment
  UCR91611  Salvia mellifera D. L. Banks, Steve Boyd 1995-3-30 0129 Riverside Agua Tibia Mountains Watershed, Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., west of the Dripping Springs Alcove, on the Woodchuck Trail 634 Comment
  CLARK-A1528-1326  Salvia mohavensis John C. Roos 1947-11-1 3753 Riverside Lost Palms Canyon Comment
  JOTR29143  Salvia mohavensis La Doux, Tasha 2005-6-20 1220 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Berdoo Canyon; where road/canyon turns west 1182 Comment
  RSA434171  Salvia pachyphylla subsp. pachyphylla Albert J. Perkins 1915-9-6 s.n. Riverside Tahquitz Valley, San Jacinto Peak. Comment
  SEINET2065848 Image available Salvia vaseyi A. C. Sanders, K. Rose 1995-4-27 16736 Riverside Coachella Valley: foot of the Little San Bernardino Mts., Canyon E of Fan Hill, just outside Joshua Tree Natl. Park 548 Comment
  RSA477537  Sambucus caerulea N. C. Cooper 1949-6-24 4312 Riverside West of Pinon Flats, San Jacinto Mountains. 1524 Comment
  UCR260518  Sambucus nigra subsp. caerulea T. B. Salvato 2014-5-28 8000 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
  SEINET7040185  Sanicula bipinnata A. G. Vestal 1962-3-29 Riverside Canyon south of Murrieta [Sandia Caynon.] Murrieta Quad. UTM Zone 11, 482355mE, 3705515mN. Comment
  RSA617141  Sarcodes sanguinea Joan Callahan 1996-6-3 s.n. Riverside San Jacinto Mountains: southern Idyllwild, 26281 Lookout Rd., near Marion View Rd. 1616 Comment
  UCR120690  Sarcostemma cynanchoides Helen Kennedy, T. B. Salvato 2002-2-2 5443 Riverside Western Colorado Desert/ San Jacinto Mtns, Coachella Valley, Agua Caliente Indian Reservation, mouth of Andreas Canyon at Palm Canyon, S edge of Palm Springs between Andreas Cyn. Rd. and water tank on W edge of sec. 2 244 Comment
  CLARK-A1528-127  Sarcostemma cynanchoides subsp. hartwegii Fred B. Essig 1967-4-2 Riverside Glen Ivy Hot Springs Comment
  UCR262269  Schinus molle A. C. Sanders 2006-5-13 32276 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  SEINET6810039  Schinus molle John Thieret, Brandenburg, David 1982-6-5 53095 Riverside Rancho Mirage; Rancho Mirage Comment
  UCD92910  Schismus arabicus James B. Garner 1959-3-17 I Riverside 20 miles south Vidal Junction. Comment
  CAS-BOT-BC243464  Schismus barbatus A. C. Sanders; E. J. Lawlor 1992-4-4 12098 Riverside Within 1/2 mile of McCoy Spring, below and to the south and canyon bottom above the spring, McCoy Mountains 243 Comment
  CHSC35471  Schismus barbatus James Henrickson 1973-3-18 8590 Riverside 16 (air) miles E of Temecula, 2.9 miles E of Aguanga along Hwy 71. 822 Comment
  POM78931  Schoenoplectus acutus var. occidentalis I. M. Johnston 1925-7-7 5283 Riverside Santa Ana River ca. 3 miles S of Wineville [Mira Loma Station]. 183 Comment
  UCR277488  Schoenoplectus californicus Mitch Provance 2013-2-16 0213- 01 Riverside Santa Ana River Valley, Riverside, Arlanza area, W side of Hole Lake and adjacent mesa. 226 Comment
  RSA366085  Schoenoplectus maritimus Lester H. Cushman 1932-5-8 s.n. Riverside Near Pedley, close to Santa Ana R. [River]. Comment
  SDSU12971  Schoenoplectus pungens var. longispicatus Michael G. Simpson 1999-10-27 2039 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  POM186279  Scirpus acutus var. occidentalis Joseph A. Ewan, C. Epling 1933-5-12 7604 Riverside South shore Lake Elsinore. Comment
  RSA740828  Scrophularia californica Scott D. White, Justin M. Wood 2008-7-8 12387 Riverside San Jacinto Mountains: Johnson Meadow. 1439 Comment
  UCR91461  Scrophularia californica Scott D. White 1995-3-30 2674 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  POM11518  Scrophularia californica subsp. floribunda Philip A. Munz 1922-7-1 5933 Riverside Santa Rosa Mountains, Old Nicholas Canyon. 1463 Comment
  UCR130866  Scrophularia californica subsp. floribunda Mitch Provance 1998-6-10 634 Riverside City of Riverside, East side of Pachappa Hill, as accessed from where Panorama road crosses the 91 freeway. 335 Comment
  CAS-BOT-BC227205  Secale cereale A. C. Sanders; T. B. Salvato 2011-3-28 38822 Riverside Peninsular Range; Perris-Aguanga Basin Region: Menifee Valley, powerline corridor along McLaughlin Rd. west of Murrieta Rd., north of Sun City 439 Comment
  POM9814  Selaginella asprella Edmund C. Jaeger 1921-6-25 276 Riverside San Jacinto Mountains, below Tacquitz [Tahquitz] Ridge 2590 Comment
  RSA700063  Selaginella bigelovii Scott D. White, Michael Honer 2003-4-25 9094 Riverside Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  SEINET3074313 Image available Selaginella bigelovii A. C. Sanders, M. Jacobsmeyer, C. Sanders 1995-2-5 15908 Riverside San Bernardino Mountains; Whitewater Canyon, between Bonnie Bell and the fish hatchery. 550 Comment
  UC130481  Senecio aphanactis Charlotte M. Wilder 1909-3-28 894 Riverside Wilder's Canyon , Wilder's Canyon (Jurupa Hills) Comment
  CAS-BOT-BC363486  Senecio californicus Philip A. Munz No date on label 15663 Riverside Whitewater Canyon, 2 miles north of Indio - Banning boulevard Comment
  HSC85281  Senecio californicus Steve Boyd 1986-5-1 1822 Riverside S slopes of Bachelor Mtn, E end of Lake Skinner Comment
  CAS-BOT-BC323966  Senecio flaccidus var. douglasii R. E. Riefner, Jr. 2006-3-4 06 -46 Riverside Peninsular Range; San Jacinto Mtns. Near Anza, c. 1.5 mi. W from Pine Medow on Hwy 74 and 1.5 mi. NW from Hamilton Creek 1320 Comment
  CAS-BOT-BC323970  Senecio flaccidus var. douglasii Annie M. Alexander; Louise Kellogg 1941-5-9 2142 Riverside Cottonwood Spring, Eagle Mountains. 883 Comment
  SEINET3143117  Senecio flaccidus var. douglasii W. B. Crockatt sn Riverside Prado 91 Comment
  RSA0125005  Senecio flaccidus var. douglasii N. Cooper 1949-6-3 4149 Riverside Temecula. 762 Comment
  JOTR35342  Senecio mohavensis Harding, Mitzi, Mark Wheeler 2012-2-28 108 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; steep-walled, shallow, north-flowing canyon with rocky wash bottom (Stop 4) 361 Comment
  RSA612367  Senecio vulgaris D. L. Banks, Joe Moreno 1997-2-5 1255 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The area along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside / San Diego County line border. 402 Comment
  RSA740086  Senecio vulgaris Justin M. Wood 2008-11-17 232 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  POM187382  Senna armata E. Crow 1930-5-17 s.n. Riverside Shavers Well Comment
  SFV7916  Senna armata T. Gordon, K. A. Wilson, M. H. Grayum, G. Poseley 1976-4-30 1279 Riverside Along roadside at Chiriaco Summit. 521 Comment
  UCR122744  Senna covesii George K. Helmkamp, E. A. Helmkamp 1998-4-24 3378 Riverside Santa Rosa Mountains, Pinyon Pines along Calif. Hwy 74 between the San Jacinto and Santa Rosa Mountains 1296 Comment
  UC2013412  Sequoiadendron giganteum Rudolf Schmid and Mena J. Schmid 2009-5-1 2009 -6 Riverside NW San Jacinto Mountains NE of Highway 243 ca. 16 Highway km NW of Idyllwild, in the S unit of the San Bernardino National Forest, on SW, flank of Black Mountain (summit). Just left (as ascending) of Black Mountain Trail in flat open area on the sloping plateau or saddle just above the head of Hall Canyon. Comment
  UCR59838  Sesbania herbacea George K. Helmkamp 1989-9-16 s.n. Riverside Sonoran (Colorado) Desert, W of Blythe, c. 0.5 mi. south of Hwy I-10 ['I-8'] , at Seeley Ave. [=16th Ave.] and Calif. Hwy 78 79 Comment
  RSA651762  Setaria parviflora Diane T. Liggett 1981-5-16 12 Riverside Riverside Freeway (91) east of Gypsum Canyon Road, north to Featherly Park entrance, east ot bike trail, 0.2 km east. Comment
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Jul 14 2013
  UCR2738  Setaria parviflora F. M. Reed 1906-9-17 1186 Riverside South Coast; San Bernardino Valley, Riverside, roadside at corner of Chicago and Massachusetts Aves. 284 Comment
  RSA526087  Sidalcea malviflora subsp. sparsifolia Steve Boyd, T. S. Ross 1990-5-11 4660 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  RSA751422  Silene antirrhina A. C. Sanders, Tim Thomas 2008-6-20 35546 Riverside May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  JEPS51008  Silene parishii W. L. Jepson 1903-8-8 2303 Riverside slopes of Tahquitz Peak (Tauqitz Peak) San Jacinto Mt., slopes of Tahquitz Peak (Tauquitz Peak) Comment
  SD28100  Silene parishii Carl B. Wolf 1932-8-5 3981 Riverside San Jacinto Mountains; summit of San Jacinto Peak. 3290 Comment
  UCR16902  Silybum marianum Kirk Taylor 1976-5-29 76-5-29- 5 Riverside Fairmont Park, Riverside, W end of Lake Evans Comment
  CAS-BOT-BC202949  Simmondsia chinensis James R. Shevock 1978-4-8 5777 Riverside Along California highway 195 just off of Interstate 10 near Chiriaco Summit. Base of Orocopia Mountains, Colorado Desert 396 Comment
  RSA232961  Simmondsia chinensis D. A. Young 1969-3-28 P- 300 Riverside On Interstate Hwy 10, 6 mi E of Desert Center, at rest stop; N side of hwy. 305 Comment
  UCR147747  Simmondsia chinensis Steve Boyd, Et al. 2004-5-14 11270 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  HSC86941  Sisymbrium erysimoides A. C. Sanders 1988-1-18 7589 Riverside W end of the Box Springs Mtns. on S facing slopes of Sugarloaf Peak 579 Comment
  RSA651357  Sisymbrium irio Gregorio Hernandez 1953-2-17 s.n. Riverside Near El Casko. Between S.P. station and lake. Comment
  SD13375  Sisymbrium irio Dorothy R. Harvey 1936-2-8 Riverside Citrus Experiment Station Orchard, Riverside. Comment
  UCR251301  Sisymbrium irio T. B. Salvato, Matthew Malle 2014-4-8 7826 Riverside Perris-Aguanga Basin, south end of Perris Valley, c. 8 mi south of the Perris Reservoir, northwest corner of Matthews (Case) Road and Menifee Road 446 Comment
  RSA651340  Sisymbrium irio William Gilbert 1969-5-24 s.n. Riverside Hwy. 71 X Temecula River. Comment
  CAS-BOT-BC75424  Sisymbrium orientale Hanson 1938-1-1 s.n. Riverside Coachella Valley. Comment
  RSA0094756  Sisymbrium orientale Jim M. Andre 2012-4-11 20798 Riverside Little San Bernardino Mountains; western margin of Eagle Mtns, along road to Cottonwood Spr (Utah Trail), 0.7 mi. north of Cottonwood Visitor Ctr. 956 Comment
  RSA496461  Sisymbrium orientale Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-31 3077 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
  SEINET156319  Sisyrinchium bellum Norman C. Cooper 1944-4-22 1134 Riverside Banning. 762 Comment
  RSA342006  Solanum douglasii Robert F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54113 Riverside San Bernardino Mountains: Mesquite thicket along Whitewater Canyon road. Comment
  SEINET3077693 Image available Solanum umbelliferum Joyce Davis 1965-2-28 3 Riverside 1000 block on Rimpau St in Corona. 204 Comment
  CLARK-A1528-4380  Solanum xanti John C. Roos 1947-3-15 3358 Riverside San Jacinto Mountains Comment
  UCR121323  Solanum xanti A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 24997 Riverside Peninsular Range; San Jacinto Mtns. Region, The Badlands; summit of Mt. Eden, SW of Beaumont 717 Comment
  UCR130705  Solanum xanti George K. Helmkamp, E. A. Helmkamp 1998-6-27 4069 Riverside San Jacinto Mtns., Garner Valley, along Hwy 74 at Morris Ranch Rd. 1372 Comment
  UCR2885  Solanum xanti N. J. Matthews 1963-3-3 30363- 8 Riverside Gavilan Hills Road about 1 mi above Lake Mathews 549 Comment