Search Results — 2000 specimen records retrieved (1873 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
  UCR67715  Abies concolor Frank C. Vasek, K. Neisess 1979-7-26 790726- 05 Riverside Santa Rosa Mtns, N of Toro Peak at Virgin Spring 2348 Comment
  CAS-BOT-BC229311  Abronia villosa Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring 60 Comment
  CSUSB1079  Abronia villosa Randy Salstrom 1966-2-27 Riverside 12 miles east of Indio, beside road between Indio and Blythe near Colorado River Aqueduct. 30 Comment
  RSA341997  Abronia villosa Robert F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54119 Riverside Along Whitewater River, E of bridge and levee. Comment
  RSA663883  Abronia villosa C. R. Annable 1995-3-9 2256 Riverside ca. 13 km N of Rancho Mirage. BLM land behind A-1 Cement. Comment
  SEINET1906290  Abronia villosa Sarah J. De Groot, J. Mark Porter 2006-1 5203 Riverside North foot of San Jacinto Mts, between Snow Creek Road and Highway 111. 351 Comment
  UC1136563  Abronia villosa H. S. Yates 1936-4-7 5543 Riverside 2 1/2 mi s Willis Palms; Thermal Quadrangle Comment
  UCR134595  Abronia villosa Marisa Sripracha, Kyle Boyd 2004-2-14 011 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  RSA747727  Abronia villosa var. aurita Justin M. Wood 2009-3-26 395 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
  RSA97040  Abronia villosa var. aurita E. K. Balls 1954-7-18 19534 Riverside seed coll. from from head of Hemet Valley. san Jaconto Mts. 1494 Comment
Read comments
Jul 14 2012
  SEINET946025  Abronia villosa var. aurita Louis B. Ziegler 1966-1 80 Riverside San Jacinto Mountains, Hemet (Thomas/Garner) Valley. 1402 Comment
  UCR133052  Abronia villosa var. aurita Michael C. Couffer 2003-9-12 s.n. Riverside Perris/Aguanga Basin, E of the City of Perris, south of Lake Perris, and south of a V-shaped downward pointing curve in the Ramona Expressway 491 Comment
  RSA343356  Abronia villosa var. villosa F. R. Fosberg, M. H. Sachet 1983-4-23 64173 Riverside Whitewater Bridge. Comment
  UCR244727  Abronia villosa var. villosa Jim Andre 2012-3-19 21344 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177, 8.6 mi. NE of junction with I-10 152 Comment
  RSA592688  Acacia greggii var. arizonica Scott D. White, Duayne Haselfeld 1996-7-2 4272 Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  RSA416162  Acamptopappus sphaerocephalus var. sphaerocephalus Bonnie C. Templeton, I. W. Clokey 1930-4-9 1052 Riverside North of Palm Springs. Colorado desert 400 Comment
  UCR244442  Acamptopappus sphaerocephalus var. sphaerocephalus Jim Andre 2012-4-16 20933 Riverside Mojave/Sonoran Desert Transition, Joshua Tree National Park; along Cottonwood Springs Rd, 2.4 mi. north of Cottonwood Visitor's Center 956 Comment
  UC63855  Acer negundo var. interior H. M. Hall 1897-4-16 480 Riverside hills s Beaumont; hills s of Beaumont Comment
  SBBG122757  Achnatherum coronatum A. Parikh 1990-5-10 165 Riverside S shore of Diamond Valley Lake, 3.4 km S of jct of Warren and Simpson Rds, 4.9 km E of Winchester Rd 543 Comment
Read comments
Apr 23 2011
  CAS-BOT-BC384738  Achyronychia cooperi LeRoy Abrams 1903-4-6 3206 Riverside Palm Springs Comment
  RSA516891  Achyronychia cooperi Steve Boyd, Orlando Mistretta 1986-3-13 1405 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd & 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  OBI59606  Acmispon strigosus David Charlton 1988-2-18 1178 Riverside S side of Little San Bernardino Mts. Fargo Canyon Rd to Cottonwood Wash, S of Joshua Tree national Park, parallel to I-10. 5 mi E of Jct Dillon Rd and Fargo Cyn Rd 762 Comment
  UCR245229  Acmispon strigosus Jim Andre 2012-3-19 21317 Riverside Sonoran (Colorado) Desert, north end of Orocopia Mountains, 0.5 mi. south of junction of Box Canyon Rd and I-10 Fwy, 23 miles east of city of Coachella 470 Comment
  UCSB41277  Acmispon strigosus Cowan, Clark 1978-4-25 Riverside 5.1 mi. (8.1 km) W on Hwy. 74 from jct. with 243, approaching Hemet, San Jacinto Mts. 1370 Comment
  UC1294021  Acourtia microcephala E. K. Balls 1958-6-27 23297 Riverside 6.9 mi nw from jct with Main Divide, by locked gate Indian Truck Trail; Santa Ana Mts. Comment
  UCR113253  Acourtia microcephala Mitch Provance, J. S. Ross 2000-7-21 2160 B Riverside Jurupa Mtns., Rattlesnake Mtn. (hill 1452m), Crestmore, above water tank west of Cedar Ave., above intersection of Andalusia and Malaga Streets 396 Comment
  UCR93818  Acourtia microcephala P. J. MacKay 1996-6-15 001 Riverside Reche Cyn., 2.5-3 mi. south of S. B. county line on Reche Cyn. Rd. 580 Comment
  CAS-BOT-BC22561  Adenophyllum porophylloides P. A. Munz 1932-4-24 12395 Riverside Snow Creek Canyon, San Jacinto Mountains 457 Comment
  JOTR32124  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
  RSA735240  Adenophyllum porophylloides Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah DeGroot, Valentin Arvizu, Tim Thibault 2004-5-14 11212 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
  SBBG87812  Adenophyllum porophylloides A. C. Sanders, B. Pitzer, D. Charlton 1986-3-3 6140 Riverside N foot of the Chuckwalla Mtns, 2.75 mi airline SE of Desert Center 365 Comment
  UCR16480  Adenostoma fasciculatum Paul M. Estes 1962-5-5 061 Riverside 9 mi. east of Riverside on Hwy 60 Comment
  UCR16481  Adenostoma fasciculatum Joe Buriel 1966-4-22 s.n. Riverside Peninsular Range, 5 miles north of Temecula off Hwy 395. Along small service road bordered by telephone poles 457 Comment
  SD72234  Adenostoma sparsifolium Russell S. Woglum 1937-10-20 1185 Riverside Santa Rosa Mountains Comment
  SEINET2084147  Adenostoma sparsifolium G. Rink 1999-5-20 sn Riverside San Bernardino National Forest, Santa Rosa Mountains south of Palm Springs 1219 Comment
  SD138005  Adiantum jordanii Darin L. Banks, Steve Boyd 1995-3-30 119 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north slope AguaTibia Mtn., west of Dripping Springs Alcove, east of Woodchuck Trail Comment
  UC218030  Agoseris heterophylla var. heterophylla P. A. Munz and J. M. Johnston 1922-5-20 5479 Riverside Kenworthy San Jacinto Mts. 1417 Comment
Read comments
Mar 25 2011
  UCR193964  Agrostis A. C. Sanders 2008-7-25 35887 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  RSA0013566  Agrostis idahoensis Steve Boyd, Gary D. Wallace 2005-7-30 11644 Riverside San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2652 Comment
  UCR168614  Agrostis viridis T. B. Salvato, John F. Green 2004-5-27 576 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
  RSA778011  Aliciella latifolia subsp. latifolia J. Andre 2011-2-9 15924 Riverside Mecca Hills; along Box Canyon Road at upper end of gorge, approx. 6 miles SSE of Jct. with I-10, approx. 12 miles west of Chiraco Summit 284 Comment
  RSA411796  Allenrolfea occidentalis Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  RSA780235  Allionia incarnata Stephanie Rockwood, Christi Gabriel 2011-10-13 115 Riverside West side of the West Riverside Mountains. Highway 62 to Rice Valley Road. Rice Valley. 256 Comment
  SD254649  Allionia incarnata A. C. Sanders, Jim Malusa 2016-3-18 42371 Riverside Sonoran (Colorado) Desert: Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Denlap (Iris Pass 7.5'Q) 537 Comment
  CAS-BOT-BC131988  Allium haematochiton Steve Boyd 1986-3-9 1378 Riverside Temescal Canyon: Alberhill Mtn., south slope of mtn., just east of claymine area 487 Comment
  UCR1627  Allium haematochiton Leland R. Dykes 1962-5-8 96 Riverside Santa Ana Mtns., Santa Rosa Plateau, San Mateo Canyon [Tenaja] Road, c. 7 mi west of Palomar Road [=Washington Ave.] in Murrieta Comment
  UCR281231  Allium haematochiton Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-28 317- 54 Riverside Temescal Valley, Southern foot of the Gavilan Hills, slopes west of Black Powder Rd. 427 Comment
  RSA366475  Allium munzii B. C. Templeton, I. W. Clokey, C. B. Clokey 1930-4-15 1477 Riverside Near Gavilan Peak w. of Perris 400 Comment
  UCR22054  Allium munzii Steve Boyd 1980-5-8 214 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 625 Comment
  UC52549  Allophyllum gilioides subsp. violaceum H. M. Hall July 1901 Riverside vicinity of Deer Springs (Accordion Creek); San Jacinto Mts., Accordion Creek 2438 Comment
  POM13058  Allophyllum glutinosum E. C. Jaeger 1921-6-13 s.n. Riverside San Jacinto Mountains, McMullen Trail [Banning to McMullen Flat] 1280 Comment
Read comments
Nov 5 2011
  RSA342549  Alnus rhombifolia R. F. Thorne 1980-4-16 54098 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  SD80158  Alnus rhombifolia Nancy Ryan Zabriskie, Walter Zabriskie 1971-2-13 339 Riverside East slope San Jacinto Mountains, Andreas Canyon, north bank 100 yards upstream from crossing below Clubhouse 305 Comment
  UCR17688  Alternanthera caracasana O. F. Clarke 1965-10-12 s.n. Riverside Riverside, residential garden of O.F. Clarke, 1012 Spruce Street 306 Comment
  IRVC28975  Amaranthus B. L. Phillips 1994-9-12 s.n. Riverside Riverside, UCR campus 336 Comment
  UCR103547  Amaranthus albus George K. Helmkamp, E. A. Helmkamp 1998-1-17 2530 A Riverside Coachella Valley, Bob Hope Drive, 0.9 mi south of Hwy I-10 43 Comment
  UCR111747  Amaranthus albus G. S. Nuessly 1980-10-14 s.n. Riverside Riverside: U.C. Riverside campus, above parking lot #6. 274 Comment
  RSA661035  Amaranthus californicus A. C. Sanders, Mitch Provance 1999-9-26 23080 Riverside McMullen Flat at Valley High County Park, 0.7 mi. SE of Hwy 74 on Twin Pines Ranch Road 1183 Comment
  RSA0080441  Amaranthus fimbriatus Sarah J. De Groot, Duncan S. Bell 2015-9-21 7579 Riverside Santa Rosa Mountains south-southwest of Palm Desert. Hillside along Dunn Road, between Asbestos Mountain and Haystack Mountain, east-northeast of Potrero Spring. 1220 Comment
  UC527700  Amaranthus fimbriatus C. B. Wolf 1931-10-14 Riverside 0.5 mi below Fish Hatchery (Snow Creek, n base of the San Jacinto Mts.); San Jacinto Mts., Snow Creek 548 Comment
  UCR19182  Amaranthus palmeri John C. Roos 1965-9-28 s.n. Riverside San Jacinto Valley, Hemet Comment
  RSA711758  Amaranthus retroflexus B. L. Phillips 1994-9-12 s.n. Riverside A weed on the UCR campus at the community vegetable gardens at the NE corner of the intersection of Canyon Crest Dr. and M.L. King Blvd. (=Pennsylvania Avenue). Comment
  UCR16084  Amaranthus retroflexus S. R. Szarek 1969-4-11 s.n. Riverside near intersection of Mission Blvd & Flemming St., Glen Avon Comment
  UCR22008  Ambrosia acanthicarpa Steve Boyd 1980-9-8 346 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  CAS-BOT-BC22612  Ambrosia dumosa P. H. Raven 1958-1-24 11463 Riverside Fargo Canyon Comment
  RSA597463  Ambrosia dumosa L. C. Wheeler 1959-12-27 7644 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
Read comments
Mar 3 2013
  RSA796018  Ambrosia dumosa Duncan S. Bell 2009-4-18 245 Riverside Arica Mountains; northeast of range, approximately 2.25 air miles southwest of the ghost town of Rice. 224 Comment
  UCR227439  Ambrosia dumosa Thomas R. Stoughton, J. McConnaughy, D. Monks 2010-3-30 109 Riverside Northwestern Colorado (Sonoran) Desert, Coachella Valley Preserve, junction of Ramon Road and Thousand Palms Canyon Road, west of Thousand Palms north of powerline in Preserve 198 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
  JOTR00920  Ambrosia dumosa Sipe, Frank 1958-3-13 223 Riverside Joshua Tree National Park. PORCUPINE WASH, PINTO BASIN Comment
  UCSB18239  Ambrosia salsola var. salsola Easley, Bill 1964-5-10 Riverside Roadside, State Highway 71, 4.9 miles N from Pinyon Flats Campground 944 Comment
  UCR188890  Ammannia coccinea Fred M. Roberts, S. Leatherman 2007-9-19 6579 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  CAS-BOT-BC177262  Amorpha fruticosa H. M. Hall 1901-6-1 2121 Riverside Eastern base, along the borders of the Colorado Desert Comment
  POM15156  Amorpha fruticosa Mary F. Spencer 1922-4-16 1442 Riverside Eagle Canyon 122 Comment
Read comments
Aug 8 2010
  RSA0120137  Amorpha fruticosa Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9080 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.25 air miles southeast of the summit of Martinez Mountain. 621 Comment
  UCR19436  Amorpha fruticosa C. S. Papp 1963-6-29 311 Riverside Riverside, Santa Ana River bed Comment
  POM343354  Amsinckia intermedia F. R. Fosberg 1983-4-23 64197 Riverside Lower Whitewater Canyon Comment
  RSA543139  Amsinckia intermedia Steve Boyd 1991-3-17 5506 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
  UCR158315  Amsinckia intermedia A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30054 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
  UCR234334  Amsinckia intermedia A. C. Sanders, John F. Green 2012-3-26 40000 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, mouth of a small canyon between Horsethief Canyon and I-15 Fwy crossing of Temescal Wash, west of Hostettler Rd. 369 Comment
  UCR37793  Amsinckia intermedia A. C. Sanders 1985-3-1 5389 Riverside Box Springs Canyon, near the intersection of Central Ave. & Hwy 60, along Gernert Rd. Just above the Santa Fe Railroad tracks. 427 Comment
  SD187373  Amsinckia menziesii Scott D. White, Angelia Carey 2004-4-16 10173 Riverside Indian Creek and adjacent slopes. 548 Comment
  UCR250211  Amsinckia retrorsa A. C. Sanders 2014-4-23 41061 Riverside Peninsular Range, Baker St. NW of Lake Elsinore, near Alberhill Mtn., 1.1 km NW of Hwy 74 387 Comment
  RSA499897  Amsinckia tessellata George R. Johnstone 1934-3-27 s.n. Riverside Near Wildomar. Inland route to Temecula. Comment
  SBBG87488  Amsinckia tessellata A. C. Sanders with B. Pitzer, D. Charlton 1986-3-1 6015 Riverside Chuckwalla Valley, 1 mi W of Hayfield Lake, 2 mi SW of pumping station on a small cutoff rd from Hayfield Rd to the dirt rd to Colorado River Aqueduct 426 Comment
  UCR41574  Amsinckia tessellata A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6072 Riverside Sonoran (Colorado) Desert, Bradshaw Rd. on south side of Chuckwalla Mts, 8.2 miles west of Graham Pass Rd. Comment
  RSA777766  Amsinckia tessellata var. tessellata Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-27 1087 Riverside Chuckwalla Mountains, Corn Springs Road, Crossing of main wash which drains Chuckwallas on east side toward Chuckwalla Bench 427 Comment
  UCR281211  Ancistrocarphus filagineus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-18 417- 40 Riverside Perris-Aguanga Basin, Menifee, S side of Bundy Canyon Rd., E side of Loerch Ln., 0.2 miles W of Murrieta Rd. 518 Comment
  UCR114540  Anemopsis californica A. C. Sanders, K. C. Rose 1999-6-18 22808 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave. near Rawson Rd. 451 Comment
  UCR23238  Anisocoma acaulis J. C. Lyman 1981-5-16 s.n. Riverside Peninsular Ranges/San Jacinto Mountains, May Valley Rd, Idyllwild 1768 Comment
  CLARK-A1528-5006  Antennaria rosea John C. Roos 1937-8-18 2409 Riverside San Jacinto Mountains 2743 Comment
  UC29526  Antennaria rosea H. M. Hall 1901-7-1 2401 Riverside Tamarack Valley San Jacinto Mountains, Tamarack Valley Comment
  CLARK-A1528-4160  Antirrhinum coulterianum John C. Roos 1937-4-18 1359 Riverside Snow Creek Comment
  RSA0009192  Antirrhinum coulterianum Scott D. White, Bill La Haye 2000-5-27 7955 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  RSA586796  Antirrhinum coulterianum D. L. Banks, Steve D. Boyd 1995-5-3 234 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
Read comments
May 9 2016
  UCR146443  Antirrhinum coulterianum R. F. Thorne, Et al. 1969-6-24 38103 Riverside San Jacinto Mtns., San Bernardino National Forest, above James Reserve in Hall Canyon 1677 Comment
  RSA85443  Antirrhinum nuttallianum subsp. nuttallianum J. C. Roos 1952-4-13 5517 Riverside Box Springs Mts., above Canyon Crest Heights. 457 Comment
  RSA561069  Apiastrum angustifolium Steve Boyd, Timothy S. Ross, David E. Bramlet 1993-5-12 7344 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
  UCR167973  Aquilegia formosa T. B. Salvato, John F. Green 2004-5-27 653 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
  RSA0125972  Arabis R. F. Thorne, Walter Wisura 1977-9-17 50773 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  RSA161333  Arabis glaucovalvula P. H. Raven 1958-5-5 12900 Riverside To the west of Split Rock Tank, Joshua Tree National Monument. Comment
  RSA0126334  Arabis glaucovalvula F. W. Peirson 1941-4-9 s.n. Riverside At junction of Pinto Basin Rd and road to Cottonwood Spring. Comment
  POM13572  Arabis perennans P. A. Munz 1922-6-28 5876 Riverside Santa Rosa Mountains. [San Jacinto Mountains] 2409 Comment
  RSA0128805  Arabis sparsiflora Duncan S. Bell, J. D. England 2010-6-4 1264 Riverside San Bernardino National Forest: Garner Valley, along forest service road 6S13 approximately 0.5 air mile west of junction of forest service road 6S04 and forest service road 6S13. 1372 Comment
  RSA0128857  Arabis sparsiflora Scott D. White, Justin M. Wood 2009-5-21 12835 Riverside McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  UCR5969  Arabis sparsiflora var. arcuata Sue Freeman 1966-4-30 s.n. Riverside San Jacinto Mtns., above Fuller Mill Creek, 0.5 mi upstream from Banning-Idyllwild Rd. 1677 Comment
  RSA676286  Araujia sericifera Scott D. White 2001-6-22 8601 Riverside Corona: Bajada below the Santa Ana Mts., near the jtn. of Cleveland Way and Fullerton Av., about 2 road mi S of the jtn. Fullerton Av. and Ontario Av. 381 Comment
  CAS-BOT-BC409998  Arceuthobium campylopodum Scott D. White 1996-8-1 4451 Riverside Idyllwild Area: N of ISOMATA along USFS Rd 5S24.1 1645 Comment
  RSA629388  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19508 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  UCR4057  Arctostaphylos glandulosa Carole Sims 1965-4-28 s.n. Riverside San Jacinto Mtns, 10 mi from Banning toward Idyllwild 1067 Comment
  RSA629440  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-16 16570 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA608235  Arctostaphylos glandulosa subsp. zacaensis Steve Boyd, Bart O'Brien 1998-1-13 10069 Riverside Santa Ana Mountains: north end of the range, ESE of Sierra Peak along Main Divide Road (3S04), ca. 0.6 mi from summit of peak on divide between Fresno and Fremont canyons. 914 Comment
  LA42411  Arctostaphylos glauca James Lauter; 1953-5-25 sn Riverside Pinyon Flats 1219 Comment
  RSA631734  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19266 Riverside Highway 79, 5 km west of Radec. 580 Comment
  UCR133451  Arctostaphylos glauca Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 473 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  RSA633560  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16618 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  RSA633567  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20142 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633573  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22511 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633594  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16691 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633603  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22514 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633752  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21787 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA70823  Arctostaphylos parryana subsp. desertica F. W. Peirson 1921-3-21 2577 Riverside Gordon Trail from Andreas Canyon, east base of San Jacinto Mts. 1829 Comment
  CAS-BOT-BC44365  Arctostaphylos pringlei subsp. drupacea Munz; Johnston 1922-5-20 5490 Riverside Head of Hemet Valley, San Jacinto Mts. 1524 Comment
  SDSU2823  Arctostaphylos pringlei subsp. drupacea Bruhns 1965-5-22 110 Riverside Around girl's dormatory of Desert Sun School in Idyllwild. Comment
  SEINET3093966 Image available Arctostaphylos pringlei subsp. drupacea Janice Hollinger 1972-5-13 720513 -7 Riverside San Jacinto Mtns., Idyllwild. Comment
  UCSB26622  Arctostaphylos pringlei subsp. drupacea Wilken, Dieter; Werner, Walter 1969-5-8 Riverside Junction of Black Mtn. Road and Riverside County Road R1, 6 miles north of Idyllwild, San Jacinto Mtns. Comment
  CAS-BOT-BC46338  Arctostaphylos pungens Peter H. Raven 1959-5-18 14242 Riverside Lake Fulmor, San Jacinto Mts. Comment
  RSA635782  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16531 Riverside Red Mountain Road, 5 km east of R3. 1000 Comment
  RSA635785  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16528 Riverside Red Mountain Road, 5 km east of R3. 1000 Comment
  SD148178  Arctostaphylos rainbowensis A. C. Sanders, Kent Beaman 2002-5-10 25056 Riverside Santa Rosa Plateau; hills west of the head of De Luz Creek, 0.4 mile south of Tenaja Road on west side of Calle Roble near Avenida Matorral. 671 Comment
  JOTR36464  Argemone corymbosa La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3434 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; ridge top with steep, loose, rocky metamorphic siltstone slopes below (above Russi Rocks guzzler) (Stop 3) 538 Comment
  CSUSB1035  Argemone munita Richard L. Irwin 1962-4-21 41 Riverside In river bottom ca 1/4 mile Sw. of the Mission Blvd. (U.S. Hwy. 60) bridge over the Santa Ana River. 243 Comment
  RSA0002644  Argythamnia claryana Marjorie D. Clary 1936-10-24 1707 Riverside Foot of Santa Rosa Mts. about 10 miles west of Coachella. Comment
  CAS-BOT-BC137655  Aristida adscensionis E. A. McGregor 1917-3-18 791 Riverside 5 miles up Painted Canon [Canyon]. Comment
  RSA0027483  Aristida adscensionis Deidre Conocchioli, Naomi Fraga, Billy Sale 2013-9-25 63 Riverside East of Alligator Rock: From I-10 at Desert Center, head south on CA-177 to BLM Rd 394 (dirt). Collection site is 1.1 miles SW of interstate exit ramp. 334 Comment
  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
  RSA85441  Aristida adscensionis var. modesta J. C. Roos 1952-4-9 5508 Riverside SW face Mountain Rubidoux. 366 Comment
  UCR244912  Aristida californica Jim Andre 2012-3-19 21352 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177, 8.6 mi. NE of junction with I-10 152 Comment
  SBBG57075  Aristida divaricata M. N. Ackley -May-1929 Riverside Tahquitz Lodge 1524 Comment
  CLARK-A1528-4488  Aristida purpurea var. glauca John C. Roos 1946-9-14 3029 Riverside San Jacinto Mountains 1188 Comment
  RSA700959  Aristida purpurea var. nealleyi Gary D. Wallace 1982-5-15 2004 Riverside Palms to Pines Highway (74), San Bernardino National Forest. 1 mi. E of Pinyon Pines Camp. Comment
  JOTR36188  Aristida purpurea var. purpurea La Doux, Tasha, B. Truesdell, M. Wheeler 2013-10-31 3337 Riverside Joshua Tree National Park. Queen Mountain; near Split Rock, approx 0.5 km SE of Elton Mine 1330 Comment
  UC815792  Aristida purpurea var. wrightii C. L. Hitchcock 1940-3-30 5871 Riverside Cottonwood Spring Comment
  IRVC14696  Artemisia californica Victoria Sork 1973-4-5 sn Riverside Elsinore; 1.5 mi. N, 0.5 mi. W of intersection of Hwys 74 and 71. Comment
  RSA417287  Artemisia douglasiana E. A. McGregor 1964-9-15 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  CAS-BOT-BC90577  Artemisia dracunculus Wesley O. Griesel 1960-8-24 s.n. Riverside Near Fulmor Lake, San Jacinto Mts. 1828 Comment
  SDSU13665  Artemisia dracunculus W. Miller 1972-8-9 Riverside Comment
  CAS-BOT-BC93733  Artemisia ludoviciana subsp. albula Louis C. Wheeler 1933-12-2 2296 Riverside Mouth of Tahquitz Canyon, San Jacinto Mts. 152 Comment
  SD43533  Artemisia tridentata subsp. tridentata Philip A. Munz 1946-10-19 11565 a Riverside Coahuila 1095 Comment
  POM12705  Asclepias californica P. A. Munz 1922-7-3 5963 Riverside S slopes of Santa Rosa Mts. 1676 Comment
  POM3353  Asclepias californica P. A. Munz 1918-4-27 2151 Riverside Temescal Canyon Comment
  RSA401651C  Asclepias californica Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  RSA516748  Asclepias 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. 488 Comment
  UC22960  Asclepias californica H. M. Hall June 1901 2210 Riverside s side San Jacinto Mountains 1706 Comment
  SEINET10580750  Asclepias californica subsp. californica F. A. Thackery 1928-5-22 Thackery 478 Riverside Banning Heights 715 Comment
  RSA401252  Asclepias fascicularis N. C. Cooper 1949-6-24 4313 Riverside West of Pinon Flats, San Jacinto Mountains. 1524 Comment
  UCR21552  Asclepias fascicularis W. W. Mayhew 1980-8-1 s.n. Riverside Santa Rosa Mtns, 2 mi. south of Hwy 74 on road to Santa Rosa Peak 1646 Comment
  RSA401112  Asclepias subulata Anstruther Davidson 1921-10-1 s.n. Riverside Palm Springs. Comment
  SEINET3081784 Image available Asclepias subulata John N. Bullock 1970-5-8 P 22 Riverside 100 metres s.e. of California State Highway 195 8.9 m. e. of the All American canal 293 Comment
  RSA661032  Aster bernardinus A. C. Sanders, Mitch Provance 1999-9-26 23078 Riverside McMullen Flat ca. 1 km NW of Valley High County Park, ca. 1 km SE of Hwy 74 off (W of) Twin Pines Ranch Rd. 1195 Comment
  RSA800104  Astragalus aridus Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4767 Riverside East side of the Arica Mountains; west side of Rice Valley approximately 6 air miles southeast of the ghost town of Rice or approximately 5.3 air miles east of Priests Well. 198 Comment
  SBBG3150  Astragalus aridus H. and M. Dearing 1949-4-6 6737 Riverside below sea level, near Mecca Comment
  SBBG3151  Astragalus aridus H. and M. Dearing 1938-3-5 1978 Riverside between Blythe and Desert Center Comment
  UC69321  Astragalus aridus L. A. Greata April 1905 Riverside Coachella Comment
  POM122701  Astragalus crotalariae Alice Eastwood 1919-3-15 7991 Riverside Indio Comment
  RSA21758  Astragalus didymocarpus var. dispermus C. B. Wolf 1937-4-6 8430 Riverside Coachella Valley, 2 mi. NE. of Edom 30 Comment
  RSA415475  Astragalus didymocarpus var. dispermus Anstruther Davidson 1893-4-10 s.n Riverside Palm Springs. Comment
  CAS-BOT-BC178444  Astragalus douglasii var. parishii P. A. Munz 1922-6-29 5895 Riverside Santa Rosa, Santa Rosa Mts. 2011 Comment
  UC1930031  Astragalus douglasii var. parishii Scott D. White, Justin Wood 2008-6-5 12079 Riverside San JAcinto Mountains: Garner Valley: Hwy 74 @ Thomas Mountain Rd. - SW corner of junction. Comment
  UC410714  Astragalus douglasii var. parishii Mrs. E. C. Van Dyke Jul 22 1928-Jul 28 1928 Riverside Idyllwild Comment
  RSA90215  Astragalus filipes F. W. Peirson 1922-5-20 3341 Riverside Hemet Valley, San Jacinto Mountains. 1371 Comment
  CAS-BOT-BC182986  Astragalus gambelianus A. C. Sanders; Seung-Chul Kim; Plant Taxonomy Class 2005-5-7 30107 Riverside Peninsular Range, Agua Tibia Mountains: UC Emerson Oaks Reserve, ca. 8 miles southeast of Temecula, S of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  POM172030  Astragalus gambelianus F. M. Reed 1930-4-15 6815 Riverside Plateau south of Gavilan Peak. [Gavilan Plateau] Comment
  UCR22096  Astragalus gambelianus Steve Boyd 1980-5-21 s.n. Riverside Gavilan Hills, Harford Springs County Park, on the NW corner of the Gavilan plateau. Comment
  CAS-BOT-BC186900  Astragalus insularis var. harwoodii Noel H. Holmgren; Patricia K. Holmgren; Ruth E. Kern 1973-3-22 6454 Riverside Rice Valley, 7 miles south-southwest of Rice 274 Comment
  HSC78590  Astragalus insularis var. harwoodii J. C. Roos 1958-3-15 Riverside 3 mi. SE of Desert Center, Chuckwalla Mtns. Comment
  SEINET10446005 Image available Astragalus insularis var. harwoodii Marc A. Baker, Michelle Cloud-Hughes 2015-2-21 18273 Riverside 6.3km ENE of Vidal Junction, 8km SSW of Savahia Peak, 67km NNW of Blythe 306 Comment
  RSA507459  Astragalus lentiginosus var. coachellae D. C. Hawks 1986-4-17 s.n. Riverside Whitewater River channel, 1 mile S of Hwy I-10 and 2 miles W of Indian Ave. 259 Comment
  RSA651405  Astragalus lentiginosus var. coachellae Marion P. Harthill 1973-2-17 1555 Riverside Snow Creek, Palm Springs 366 Comment
  SBBG132094  Astragalus lentiginosus var. coachellae S. D. White 2001-4-18 8367 Riverside Palm Springs, NE corner of 30th Ave and Devall St 101 Comment
  UCR208171  Astragalus lentiginosus var. coachellae H. D. Ripley, R. C. Barneby 1942-4-2 4271 Riverside Sonoran (Colorado) Desert, Palm Springs 137 Comment
  SBBG68271  Astragalus lentiginosus var. floribundus M. N. Ackley 1928-4-4 570 Riverside between Indio and Edom 60 Comment
  UCR85277  Astragalus lentiginosus var. fremontii Bern Schwenn 1991-5-21 s.n. Riverside Southern Mojave / Colorado Desert, Joshua Tree National Monument [now J.T.N. Park], Lost Horse Valley, east of Ryan Campground along California Riding and Hiking Trail. 1329 Comment
  CLARK-A1045-117  Astragalus palmeri George K. Helmkamp 1978-4-1 Riverside Pinyon Flat Pinyon Pine[s] area, [flats] above Deep Canyon; Palm Desert 15'Q Comment
  CSUSB1296  Astragalus pomonensis Cassandra Peyton 1965-4-21 Riverside 1.5 miles west of La Sierra Ave. (Lake Matthews Dam) on Cajalco Road. 243 Comment
  RSA415662  Astragalus pomonensis H. E. Hasse 1892-07 s.n Riverside San Jacinto. Comment
  UCD105189  Astragalus pomonensis C. L. Hitchcock; C. V. Muhlick 1962-3-16 22158 Riverside Temescal Canyon, ca. 12 mi. s.e. of Corona. Comment
  UCR158332  Astragalus pomonensis A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30057 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
  UCR3367  Astragalus pomonensis H. M. Whistler 1964-5-3 640503- 02 Riverside Road cut along 'State Hwy 79' [probably Gilman Springs Rd.], 3 mi. west of junction with Jack Rabbit Trail 457 Comment
  SBBG67409  Astragalus preussii var. laxiflorus M. N. Ackley 1928-4-4 565 Riverside Coral Reef Ranch, Coachella Valley Comment
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Mar 16 2012
  SEINET10486811  Astragalus vaseyi L. Rose 1935-12-23 Rose s.n. Riverside San jacinto mts. 914 Comment
  CAS-BOT-BC334464  Athysanus pusillus A. C. Sanders; Timothy W. Chumley 2013-4-2 40745 Riverside Peninsular Range: Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd. near I-15 Fwy, SE of Corona (Lee) Lake 377 Comment
  RSA673636  Athysanus pusillus Scott D. White, Tasha La Doux 2000-4-20 7706 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  UCR241826  Athysanus pusillus A. C. Sanders, Timothy W. Chumley 2013-4-5 40779 Riverside Peninsular Range, Temescal Canyon, around Ivyglen electrical substation near where Temescal Canyon Rd. passes under I-15, between substation and Campbell Ranch Rd. 328 Comment
  CAS-BOT-BC98821  Atrichoseris platyphylla Aven Nelson; Ruth A. Nelson 1939-3-29 3328 Riverside Hidden Springs Canyon, near Mecca Comment
  SDSU6305  Atrichoseris platyphylla Mark Dodero 1992-5-1 1 V92A Riverside Box Canyon road, ca. 6.7 miles northeast of Hwy. 111 Comment
  POM187873  Atriplex argentea E. C. Jaeger 1932-8-31 s.n. Riverside Between Lakeview and San Jacinto Comment
  SEINET3930643  Atriplex canescens Grant D. Brown 1950-3-29 520 Riverside Aguanga on highway #79.; 0 549 Comment
  UCR92079  Atriplex canescens Scott D. White 1995-8-23 3590 Riverside San Jacinto Valley, San Jacinto River wash, just north of Florida Avenue (City of Hemet), near intersection with Schultz Rd. 549 Comment
  SBBG1753  Atriplex canescens var. laciniata H. and M. Dearing 1940-11-10 5018 Riverside Thousand Palms Cyn Comment
  CAS-BOT-BC170236  Atriplex canescens var. macilenta Ira L. Wiggins 1941-3-24 9585 Riverside Along roadside on east side of Salton Sea, 1 mile north of Imperial County Line Comment
  UCR214436  Atriplex canescens var. macilenta A. C. Sanders, Richard Dwerlkotte 2010-3-22 37514 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 2 mi. ESE (98 deg. ) of Sidewinder Well, south end of Palen Dry Lake, SW of Palen Mtns. 129 Comment
  UCR191544  Atriplex coronata var. notatior A. C. Sanders 2008-4-15 34891 Riverside Peninsular Range, NE edge of city of Elsinore, off Nichols Rd. along Baker St., near Durant Siding 383 Comment
  UCR66968  Atriplex coronata var. notatior D. E. Bramlet 1990-7-20 2057 Riverside c. 6.3 km. west of Hemet, beside a dirt road in an open field, about 440 m west of intersection of Florida and Warren Streets, south side of Florida, c. 267 m from the road edge 500 Comment
  SD243321  Atriplex glauca R. E Riefner 2006-2-20 06 29 Riverside City of Corona, along Magnolia Ave on-ramp on SW side of I-15 Freeway. (Corona South 7.5'Q) 216 Comment
  CAS-BOT-BC170258  Atriplex hymenelytra Roxana S. Ferris 1918-6-14 987 Riverside At Shavers Well, Box Canyon in Chocolate Mts. Comment
  SEINET3105988  Atriplex hymenelytra Faulkner 1978-3-21 335 Riverside 9 Miles N. of Blythe on Hwy 95 152 Comment
  LA91314  Atriplex lentiformis Louis Wheeler; 1931-11-27 387 Riverside 3 mi. SE Salton Bench Mark -76 Comment
  UC110247  Atriplex lentiformis T. S. Brandegee 1901-4-3 Riverside Salton Crossing , Salton Crossing (Colorado Desert) Comment
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Sep 11 2011
  UCR14450  Atriplex parishii O. F. Clarke, Jeanine Derby 1974-6-19 s.n. Riverside Perris-Aguanga Basin Region, [San Jacinto River] south of Ramona Expressway, 1/2 mile NW of Lakeview 432 Comment
  CAS-BOT-BC176537  Atriplex polycarpa S. B. Parish 1881-8-10 1175 Riverside Indio, Colorado Desert Comment
  RSA295276  Ayenia compacta N. R. Zabriskie, Walter Zabriske 1973-4-24 639 Riverside Andreas Canyon, E slope San Jacinto Mts. (Site A-9) 366 Comment
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Oct 1 2011
  UCR277758  Azolla filiculoides Mitch Provance 2011-7-29 17040 Riverside Santa Ana River Valley, Santa Ana River Wash, area between Market St. and the 60 Freeway 244 Comment
  RSA48866  Baccharis brachyphylla J. C. Roos, L. Roos 1949-9-17 4659 Riverside Canyon bottom near oasis with Palms, a side canyon, E side Whitewater Wash, W slope Painted Hill, 2.2 miles N of Hwy 99 Comment
  UCR213766  Baccharis brachyphylla Scott D. White, Justin M. Wood 2009-4-29 12626 Riverside Little San Bernardino Mountains, city of Desert Hot Springs, proposed development north of Pierson Blvd and east of Verbena Dr. Comment
  RSA376137  Baccharis pilularis R. F. Thorne 1985-7-18 61282 Riverside De Luz; Arroya near Murrieta-Guava St. roads, a few miles S of Murrieta 385 Comment
  CHSC8378  Baccharis salicifolia Edward L. Smith 1957-4-3 257 Riverside Located at entrance to White Water Canyon. San Bernardino Mts. Comment
  RSA0120019  Baccharis salicifolia Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9070 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.25 air miles southeast of the summit of Martinez Mountain. 621 Comment
  UC667271  Baccharis salicifolia subsp. salicifolia Annie M. Alexander and Louise Kellogg 1941-5-4 2121 Riverside Joshua Tree National Monument, Barker Dam 1322 Comment
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Feb 4 2013
  RSA89881  Baccharis sarothroides J. C. Roos 1950-10-28 5021 Riverside Box Springs. 473 Comment
  POM248434  Baccharis sergiloides Philip Crow 1939-7-2 s.n. Riverside Blythe Comment
  CAS-BOT-BC295891  Bahiopsis parishii Lewis S. Rose 1935-12-23 35701 Riverside Colorado Desert. Above Deep Canyon, San Jacinto Mts., 22 mi. S. of Cathedral City 1066 Comment
  JEPS14263  Baileya pauciradiata John Ingram, Howard Arnott and Francia Chisaki 1955-4-18 631 Riverside 5.6 mi se of turn-off to Thousand Palms Highway 60 Comment
  RSA0127789  Baileya pauciradiata G. Rink 2013-3-22 11907 Riverside About twelve miles west of Blythe, along the power line for the proposed Quartzite solar power plant, NE of the power transfer station. 145 Comment
  JOTR32453  Baileya pleniradiata Herskovits, Tasya, K. Kain 2011-9-28 3 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Keys View; Burn area on gentle rocky slopes 1582 Comment
  UCR145574  Bassia hyssopifolia Chet McGaugh 2004-11-15 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, 1 mile south of Thermal, parcel bounded by Ave. 58 & Ave. 60 on the north and south and by Polk and Filmore on the west and east, between the airport and Whitewater River -41 Comment
  RSA653412  Bebbia juncea Mitch Provance 1998-7-7 887 Riverside 0.25 to 0.5 miles E of the corner of Riverside Ave. and Agua Mansa Rd., previously the property of the 'Riverside Charros' organization. 262 Comment
  RSA736801  Bebbia juncea Scott D. White, Angelia Carey 2004-7-2 10563 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UCR202045  Bebbia juncea Denise Woodard, Gilbert Goodlet 1997-3-11 s.n. Riverside Sonoran (Colorado) Desert, base of Santa Rosa Mtns. at mouth of Cathedral Canyon, border between Rancho Mirage and Cathedral City, site of proposed Ritz-Carlton Rancho Mirage/ Cathedral Canyon Golf Course 305 Comment
  HSC25156  Bebbia juncea var. aspera Richard Spjut 1972-3-13 2266 Riverside Western border of the Colorado Desert ; San Jacinto Mts., near the eastern border of the San Bernardino Natl. Forest along Hwy. 74 915 Comment
  UCR89779  Bergia texana 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
  POM183989  Bernardia incana P. A. Munz 1932-10-16 12850 Riverside Santa Rosa Mountains, Deep Canyon Road. Comment
  SD229135  Bernardia incana Dick Schwenkmeyer, Bethany Jenkins 2012-3-7 646 Riverside Mt. San Jacinto: Pinyon Flats, approx. 1I(c) miles north of Highway 74 intersection with Palm Canyon Road, broad flat area. 1303 Comment
  UC64498  Beta vulgaris H. M. Hall June, 1901 2004 Riverside San Jacinto Valley Comment
  UCR182536  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
  CSUSB16  Bloomeria crocea D. L. Heald 1966-5-16 52 Riverside Off the road behind Webber Hall at University of California, Riverside (UCR) in the city of Riverside. 304 Comment
  UCR112796  Bloomeria crocea A. C. Sanders 1997-5-1 20623 Riverside Lake Skinner area, along horse trail in southern part of Lake Skinner Park, west of Tucalota Hills and east of Warren Rd. 488 Comment
  RSA0128828  Boechera P. A. Munz, D. M. Johnston 1922-5-20 5493 Riverside Kenworthy. 1433 Comment
  SEINET3162251  Boechera perennans M. D. Windham 2004-3-31 2952 Riverside ENE of Anza along CA 371 on slope above Hamilton Creek ca. 6.32 km SSE of Tool Box Spring. 1268 Comment
  LA204239  Boechera pulchra H. Lewis; 1940-4-28 Riverside Joshua Tree National Monument, Keys View Comment
  UCR123826  Boerhavia coccinea Steven R. Hill 2001-5-3 33653 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  JOTR30081  Boerhavia intermedia La Doux, Tasha, Bill Truesdell 2006-10-3 1712 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  UC406764  Boerhavia intermedia Marcus E. Jones, A. M. 1929-9-16 24796 Riverside near Desert Center (Hayfields); Hayfields Comment
  JOTR30838  Boerhavia triquetra La Doux, Tasha, Jim Andre 2008-9-16 348 Riverside Joshua Tree National Park. JTNP; NE end of Splitrock Picnic Area. Queen Mountain USGS 7.5 min Quad. Near 34 00.534' N 116 03.098' W 1327 Comment
  RSA644207  Boerhavia wrightii V. W. Steinmann 1999-10-26 1418 Riverside foothills of the Chuckwalla Mountains, open desert ca. 2 km south of Desert Center. 325 Comment
  SEINET4207419  Boerhavia wrightii Duncan S. Bell 2011-10-22 3004 A Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice.; 0 437 Comment
  CAS-BOT-BC31018  Bolboschoenus maritimus Mitch Provance 2005-5-17 6599 A Riverside Warm Springs Valley: Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, 420 Comment
  SD255030  Bolboschoenus maritimus subsp. paludosus Duncan S. Bell 2015-8-12 8594 Riverside Colorado Deesrt; Chocolate-Chuckwalla Mountains region: Orocopia Mountains; southwestern section of the range; collecting at a spring in the southern section of the Dos Palmas area. Temperature at around 120 degrees. -41 Comment
  CAS-BOT-BC145584  Bouteloua aristidoides Ira L. Wiggins 1941-3-27 9677 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  RSA778405  Bouteloua aristidoides var. aristidoides Stephanie Rockwood, Christi Gabriel 2011-10-5 64 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
  RSA701038  Bouteloua barbata var. barbata J. Travis Columbus, R. K. Benjamin, C. D. Columbus, M. D. Wall 1999-6-10 3206 Riverside U.S.A., California, Riverside Co., Valle Vista (just E of Hemet), along Bautista Rd. 0.8 rd. mi. E of jct. with Fariview Ave., area cultivated in citrus. 600 Comment
  UCR195794  Bouteloua barbata var. barbata Tasha La Doux, J. Andre 2007-9-6 135 Riverside Little San Bernardino Mountains, Joshua Tree National Park, dirt road to Lost Horse Ranger Station, below Hemmingway Buttress 1237 Comment
  UCR49787  Bowlesia incana D. C. Hawks, G. Bruyea 1987-4-3 s.n. Riverside Peninsular Range, Gaylord property, NW of Aguanga 550 Comment
  UC700945  Brandegea bigelovii Aven and Ruth Nelson 1939-3-28 3304 Riverside s of Mecca (near Salton Sea, Highway 111); Highway 111 Comment
  UCR166551  Brandegea bigelovii Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10893 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  UCR198165  Brandegea bigelovii Michael Honer, L. Hulse 2004-4-3 1907 Riverside Colorado Desert, Little San Bernardino Mountains, Rockhouse Canyon c. half mi north of intersection with Fargo Canyon 610 Comment
  UCR46779  Brassica oleracea O. F. Clarke 1987-3-16 s.n. Riverside 1012 Spruce St., Riverside. 305 Comment
  RSA703413  Brassica tournefortii LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1431 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground., Near 33 deg 37'32N, 115 deg 19'35W: UTM 3721895N, 655238E to 33 deg 36'52N, 115 deg 19'54: UTM 3720669N, 654757E. 480 Comment
  RSA727083  Brassica tournefortii Naomi Fraga, Lisa Rojas 2005-2-10 1372 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UC1922426  Brassica tournefortii Naomi Fraga, Lisa Rojas 2005-2-10 1372 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCR75078  Brassica tournefortii A. C. Sanders, E. J. Lawlor 1992-4-4 12122 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  POM10238  Brickellia californica F. M. Reed 1903-10-24 94 Riverside Cold water canyon [Santa Ana Mts., near Temescal Valley] Comment
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Apr 7 2011
  RSA48847  Brickellia desertorum J. C. Roos 1949-9-21 4665 Riverside E slope of rocky ridge in pass between Reche Canyon & Pigeon Pass 457 Comment
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Dec 5 2014
  UC527701  Brickellia desertorum C. B. Wolf 1931-10-14 Riverside 1/2 mi below the Fish Hatchery (n base of San Jacinto Mts., Snow Creek); Snow Creek 548 Comment
  UC894158  Brickellia desertorum Carl B. Wolf 1932-10-13 Riverside Cottonwood Springs, Eagle Mts., Colorado Desert Colorado Desert, Eagle Mts., Cottonwood Springs 289 Comment
  UC205029  Brickellia incana L. G. Childs 1920-12-14 Riverside Salt Creek Wash, Colorado Desert Colorado Desert, Salt Creek Wash Comment
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Sep 24 2007
  SEINET2055878  Brickellia lemmonii G. K. Helmkamp, E. A. Helmkamp 2000-9-13 6037 Riverside Chiricahua Mins; Pinery Cyn. 3.0 mi SE of Hwy AZ 181 1737 Comment
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May 3 2014
  LA105207  Brickellia oblongifolia var. linifolia K. Harper; 1988-5-14 sn Riverside San Jacinto/Santa Rosa Mountains, Canyon Drive at Alpine Village, off Hwy 74 Comment
  RSA771881  Brodiaea filifolia Steve Boyd 2010-5-28 12285 Riverside Elsinore Peak, just south of Main Divide Road, eastern base of knoll south of peak 1021 Comment
  SD90488  Brodiaea filifolia Robert F. Thorne, E. Lathrop 1969-6-6 39323 Riverside Santa Rosa Plateau, Rancho California, Mesa de Colorado, grassy area east of large vernal marsh. 625 Comment
  RSA679169  Brodiaea terrestris subsp. kernensis Fred M. Roberts 2003-6-1 5883 Riverside Elsinore Mtns., Elsinore peak, 0.2km SW summit. 1075 Comment
  SBBG122775  Brodiaea terrestris subsp. kernensis A. Parikh 1990-5-17 175 Riverside W part of Mesa de Colorado, 0.3 km N of Avocado Mesa Rd, 0.1 km E of Via Volcano 632 Comment
  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
  CAS-BOT-BC149331  Bromus arizonicus S. B. Parish 1907-4-15 6138 Riverside Western edges of the Colorado desert. Gabezon. Comment
  RSA660930  Bromus arizonicus A. C. Sanders 1998-3-17 21748 Riverside open fields at NE edge of UCR campus, E of A & I dorms and S of Watkins Dr. 335 Comment
  RSA385314  Bromus carinatus N. C. Cooper 1944-4-8 1052 Riverside Andreas Canyon 305 Comment
  SD152996  Bromus carinatus Steve Boyd 1992-4-15 6858 Riverside Santa Ana Mtns; San Mateo Cyn Wilderness area; Bluewater Cyn along Bluewater Tr; downstream to the confluence with San Mateo Creek 334 Comment
  UCD58337  Bromus catharticus L. Reese 1956-5-29 12 Riverside San Jacinto Valley. 475 Comment
  UCSB51392  Bromus catharticus Roos, A. 1937-11-13 Riverside San Bernardino Basin region, Riverside 243 Comment
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May 21 2011
  RSA127000  Bromus grandis H. S. Yates 1936-8-29 6383 Riverside Fuller Creek [Poss. Fuller Mill Creek now?] 1677 Comment
  UCR27004  Bromus grandis E. W. Lathrop 1966-5-29 6395 Riverside Peinsular Range; Santa Ana Mtns, Cleveland National Forest, Main Divide Truck Trail between El Carriso and Santiago Peak 1223 Comment
  UC37666  Bromus marginatus var. seminudus H. M. Hall 1897-8-10 785 Riverside Tamarack Valley San Jacinto Mts.; Tamarack Valley, San Jacinto Mts. 2743 Comment
  RSA326150  Bromus orcuttianus var. hallii John F. Emmel 1981-6-21 785 Riverside San Jacinto Mountains; Idyllwild; large meadow between Strawberry Creek and USC ISOMATA campus. 1524 Comment
  UCD59074  Bromus orcuttianus var. hallii Peter Kamb 1948-7-3 1141 a Riverside Hall Canyon, San Jacinto Mtns. 1645 Comment
  RSA764436  Bromus rubens Doris Hoover Bowers 1978-3-19 2527 Riverside Wild Horse Canyon 1280 Comment
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Apr 7 2013
  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
  UCR138824  Bromus rubens D. L. Banks 1997-2-23 1299 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, south of Pechanga Rd. in the Reservation, north of Pechanga Creek and east of the Pechanga Tribal Government Center 367 Comment
  UCR243172  Bromus rubens LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4350 Riverside Transverse Ranges; San Bernardino Mountains, Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat Canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon 871 Comment
  RSA651757  Bromus rubens N. R. Zabriskie 1973-4-6 633 Riverside This opposite juncture of North Canyon, stream area, Andreas Canyon, east slope San Jacinto Mtns. 365 Comment
  CAS-BOT-BC185645  Bromus tectorum Victor Duran 1932-5-18 3218 Riverside Idyllwild, San Jacinto Mountains. 1676 Comment
  SEINET13203179 Image available Cactaceae Marc A. Baker, Michelle Cloud, Hughes 2015-1 18297 .1 Riverside Chuckwalla Mountains, 4.1km WNW of Corn Spring, 630m NE of Aztec Well, 71km west of central Blythe, narrow valley floor 834 Comment
  RSA405285  Caesalpinia virgata L. N. Goodding 1942-2-26 m 3 -42 Riverside Indio region Comment
  UCR3468  Caesalpinia virgata Sally Bell 1964-3-26 s.n. Riverside Western Colorado Desert, off Dillon Road, c. 3 mi. NE of the town of Indio, c. 500 yards west of the road. -7 Comment
  SEINET7048049  Calandrinia ciliata Steven R. Hill 2001-4-29 33523 Riverside South side of Route I-10 right-of-way, 0.2 mile west of Desert Lawn Road exit, Calimesa. Near Roberts Road in pasture. Elevation about 2314 feet. Comment
  UCR20863  Calandrinia ciliata Steve Boyd 1980-1 s.n. Riverside Perris Basin, Motte Reserve; rocky hills 2.5 mi NW of Perris 518 Comment
  UCR84983  Calandrinia ciliata A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16223 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
  RSA357151  Callitriche marginata R. F. Thorne 1973-5-23 43847 Riverside Santa Rosa Plateau: Desiccated margin of large vernal pool N side of Mesa de Colorado 609 Comment
  SFV13152  Calocedrus decurrens M. J. Thor 1982-9-17 137 Riverside San Jacinto Mountains Idyllwild Park. 1616 Comment
  UC215292  Calocedrus decurrens Geo. B. Grant 1901-1-1 691 Riverside San Jacinto Mts. Pacific Coast, San Jacinto Mts. 914 Comment
  CLARK-A1528-21  Calochortus concolor C. M. Flanagan 1973-5-31 OO 614 Riverside Morongo Indian Reservation 914 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
  UCR217563  Calochortus plummerae Jeff B. Galvin 2008-6-18 70 Riverside Peninsular Ranges, western foothills of the San Jacinto Mountains, Potrero, Massacre Canyon 605 Comment
  RSA586800  Calochortus splendens Darin L. Banks, Steve Boyd 1995-5-3 238 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  CAS-BOT-BC483502  Calochortus splendens T. Winfield 1975-5-8 2355 Riverside Arroyo del Toro Road, 1 mile from Highway 71 Comment
  CAS-BOT-BC483506  Calochortus splendens Ynez Whilton Winblad 1941-5-27 s.n. Riverside San Juan Canyon, Highway 74, San Juan Mts. 609 Comment
  RSA131710  Calochortus weedii E. K. Balls 1958-6-27 23296 Riverside Santa Ana Mountains, NW along Indian Truck Trail from junction with Main Divide. 854 Comment
  UCR121648  Calycadenia tenella A. C. Sanders, Kent Beaman 2002-5-10 25049 Riverside Santa Ana Mtns., Santa Rosa Plateau, hills west of the head of De Luz Creek, 0.4 mi. south of Tenaja Rd. on west side of Calle Roble near Avenida Matorral 671 Comment
  UCR48370  Calycadenia tenella Steve Boyd 1986-5-7 1826 Riverside Temescal Canyon, Alberhill Mountain: lower slopes of S flank just east of clay mine area 427 Comment
  RSA0121053  Calycoseris parryi Duncan S. Bell, LeRoy Gross 2016-3-29 9115 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5 air miles southeast of the summit of Martinez Mountain. 686 Comment
  RSA791486  Calycoseris parryi J. Andre, Tasha La Doux, R. B. Kelley 2011-5-4 21075 Riverside Joshua Tree National Park; Long Canyon, up side canyon approx. 400 m. west of main canyon drainage. 1172 Comment
  SD215390  Calycoseris parryi Steve Boyd, Dave Bramlet 1991-5-13 6243 Riverside Domenigoni Hills, North side of Domenigoni-Diamond Valleys east-southeast of Winchester. Vicinity of ultramafic outcrop on ridge top South of Sounth end of Warren Road. 548 Comment
  POM351420  Calycoseris wrightii M. B. Dunkle 1937-3-25 4915 Riverside Colorado Desert. Shaver's Well Comment
  UCR58337  Calyptocarpus vialis A. C. Sanders 1989-5-31 9492 Riverside Riverside, Botanic Garden of U. C. Riverside 396 Comment
  UCR116785  Calyptridium monandrum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24163 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
  UCR26223  Calyptridium monandrum John C. Roos 1947-3-15 3329 Riverside San Jacinto Valley, Valle Vista, east of Hemet 549 Comment
  UC729873  Calyptridium monospermum Carl B. Wolf 1932-8-5 3983 A Riverside San Jacinto Peak, summit San Jacinto Peak; San Jacinto Mountains, San Jacinto Peak 3293 Comment
  RSA466601  Calyptridium parryi var. parryi H. E. Hasse 1892-7-3 s.n. Riverside San Jacinto Mountains Comment
  UCR154626  Calystegia macrostegia A. C. Sanders, Mike Misenhelter 2005-6-15 30993 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
  UCR187502  Calystegia macrostegia Theresa Johnson 2006-3-31 011 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, off DeLuz Road at backside (edge) of ecological reserve, near Mesa de Burro 571 Comment
  UCR250201  Calystegia macrostegia A. C. Sanders 2014-4-23 41046 Riverside Peninsular Range, Gavilan Hills, along Concordia Ranch Rd. at edge of Temescal Valley, above I-15 and east of Black Powder Rd. 384 Comment
  UC604976  Calystegia macrostegia subsp. tenuifolia Roxana S. Ferris and Ruth P. Rossbach 1938-5-20 9664 Riverside foot of grade State Highway #74 (along San Jacinto River); along San Jacinto River Comment
  CAS-BOT-BC218903  Camissonia Elizabeth McClintock 1958-4-5 s.n. Riverside Painted Canyon, Colorado Desert, along wash Comment
  RSA716824  Camissonia bistorta A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25839 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  SEINET7073412  Camissonia bistorta A. G. Vestal 1963-4-23 s.n. Riverside About 0.1 mile east of Corner at the base of Gavilans Hills. Coordinate datum: NAD27. Comment
  UCR93824  Camissonia bistorta P. J. MacKay 1996-6-15 003 Riverside Reche Cyn., 2.5-3 mi. south of S. B. county line on Reche Cyn. Rd. 580 Comment
  RSA774989  Camissonia boothii Duncan S. Bell 2011-4-7 2172 Riverside On the east side of the Arica mountains; approximately 2 miles northwest of Priests Well, or approximately 5.2 air miles southwest of the ghost town of Rice. 357 Comment
  UCR112748  Camissonia boothii A. C. Sanders, T. B. Salvato 2000-4-21 23348 Riverside Coachella Valley, east side of the Coachella Canal c. 1/4 mi. north of I-10, 3 miles east of Indio 15 Comment
  RSA465970  Camissonia boothii subsp. condensata Anstruther Davidson 1903-01 s.n. Riverside Colorado Desert, Thermal Comment
  UCR30100  Camissonia brevipes George K. Helmkamp 1983-4-5 483- 38 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  RSA134517  Camissonia californica Harlan Lewis 1957-4-5 s.n. Riverside Colorado Desert, Morongo Canyon. Comment
  RSA144811  Camissonia californica E. G. Linsley, J. W. MacSwain 1960-3-1 60 -2 Riverside Colorado Desert, Palm Springs, Tamarisk Avenue Comment
  RSA162841  Camissonia californica J. D. Olmsted 1958-6-15 189 Riverside San Jacinto Mountains. Intersection of Strawberry Creek with Idyllwild-Hemet road [Hwy 74] 8 miles below and West of Mt. Center. Along roadside. 915 Comment
  RSA777290  Camissonia californica Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4543 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  UCR172716  Camissonia californica Jun Hu 2000-5-11 21 Riverside San Jacinto Valley, SE of city of Winchester, Hills N of Diamond Valley 488 Comment
  SEINET7048153  Camissonia californica Steven R. Hill 2001-5-3 33654 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  UC56479  Camissonia campestris subsp. campestris H. M. Hall 1902-4-8 2765 Riverside Valle Vista Comment
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Mar 27 2011
  UCR104021  Camissonia claviformis George K. Helmkamp, E. A. Helmkamp 1998-2-18 2713 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  UCR84981  Camissonia claviformis A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16217 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
  RSA652361  Camissonia claviformis subsp. aurantiaca David B. Dunn, H. Lint 1955-4-1 11829 Riverside Pushawalla Canyon, Indio Hills. Comment
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May 24 2012
  SEINET3093303 Image available Camissonia claviformis subsp. claviformis George K. Helmkamp, E. A. Helmkamp 1998-2-5 2655 Riverside Indio Hills, 3 mi. E of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  RSA175094  Camissonia claviformis subsp. yumae Robert F. Thorne 1963-3-29 32412 Riverside 9 miles E of Mecca, Mecca Hills 152 Comment
  SEINET7040179  Camissonia graciliflora A. G. Vestal 1962-3-29 Riverside 4.6 miles east of Murrietta [near Murrietta Hot Springs]. UTM Zone 11, 488471mE, 3712748mN. Comment
  RSA113258  Camissonia hirtella E. K. Balls 1955-4-4 20429 Riverside Chaparral, Ortega Hwy. 8.3 mi. ne. from Orange-Riverside Co. line, Elsinore overlook. 793 Comment
  UCR132486  Camissonia hirtella Tracy Tennant, T. B. Salvato 1998-6-23 477 Riverside San Bernardino Mtns., Morongo Indian Reservation, N end of Hathaway Cyn., c. 0.4 miles east of pk 4265 (polygon 13) 1341 Comment
  UCR20698  Camissonia hirtella A. C. Sanders 1980-5-14 1459 Riverside Peninsular Range, south side of Hwy 79, 0.8 mi SE of Radec 559 Comment
  POM3272  Camissonia ignota I. M. Johnston 1918-4-27 1875 Riverside Near Corona. 274 Comment
  UCR258752  Camissonia ignota T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7912 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 0.6 mi north of Hwy 15 and Temescal Canyon 476 Comment
  POM157885  Camissonia intermedia P. A. Munz 1927-5-20 10797 Riverside Mud flat, Murrieta Hot Springs. Comment
  UCR117346  Camissonia micrantha Mitch Provance 1998-3-31 307 Riverside Jurupa Mountains, Pyrite Canyon, 'Deep Pyrite Dune', c. 0.3 km south of the end of Savonia Dr. in Southridge, Fontana, just on the Riverside Co. side of the county line. 335 Comment
  UCR126263  Camissonia pallida Nathan Moorhatch, John Green 2003-4-2 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Whitewater River channel at Date Palm Drive in Cathedral City 91 Comment
  RSA652352  Camissonia pallida subsp. pallida Marion P. Harthill 1973-2-17 1570 Riverside Snow Creek, Palm Springs 366 Comment
  RSA449047  Camissonia refracta E. C. Jaeger 1922-3-26 s.n. Riverside Box Canon near Mecca, Cal. Colorado Desert. Comment
  RSA692197  Camissonia refracta Scott D. White, Michael Honer 2003-5-14 9296 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  UC1595702  Camissonia refracta W. Wisura, J. Dolan, and M. Wall 1992-3-24 4634 Riverside on Box Canyon Rd 13.1 mi ne Mecca; Lowdesert Comment
  RSA793019  Camissonia strigulosa Justin M. Wood 2011-4-4 3407 Riverside San Bernardino Mountains Foothills: San Gorgonio River wash, off of Bluff Street, just east of Banning Bench. 881 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
  UC422972  Camissonia strigulosa Fred M. Reed 1904-5-16 124 Riverside Hemet Comment
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Mar 24 2011
  UCSB45579  Camissonia strigulosa Roos, John 1952-4-16 Riverside Reche Canyon 457 Comment
  UC50342  Camissoniopsis bistorta H. M. Hall Apr. 1903 3843 Riverside near Midlands Comment
  SDSU3359  Camissoniopsis hirtella H. L. Wedberg 1957-5-11 Riverside Idyllwild rd., 2 mi. s. Banning. Comment
  CAS-BOT-BC160539  Camissoniopsis lewisii Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 4043 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Sta. 609 Comment
  UCR250320  Cardamine hirsuta A. C. Sanders 2014-4-16 41014 Riverside Peninsular Range, Temescal Valley, Campbell Ranch Rd. between Indian Truck Trail and Temescal Canyon Rd., across from intersection with Soapberry Rd. 345 Comment
  RSA495446  Carex Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2974 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  POM289945  Carex alma Lyman Benson 1932-3-26 3165 Riverside 3 miles N [of] Temecula, San Jacinto Mountains; [this location cannot be in San Jacinto Mtns. -SW] 457 Comment
  UC837256  Carex alma P. A. Munz 1922-5-19 5404 Riverside San Jacinto Canyon, 1 mi above mouth of Strawberry Creek 1158 Comment
  RSA769195  Carex bolanderi P. F. Zika, Nick Otting, K. Kramer 2010-8-6 25300 Riverside Bridge over North Fork San Jacinto River, Dark Canyon, at campground, San Jacinto Mountains 1785 Comment
  SBBG122758  Carex densa A. Parikh 1990-5-15 172 Riverside Santa Rosa Plateau Ecological Reserve, between Mesa de Colorado and Mesa de Burro, 0.6 km SE of jct of Tenaja Rd and Rancho California Rd 572 Comment
  UC1254603  Carex douglasii James E. Cole 1941-5-17 726 Riverside Covington Flat Joshua Tree National Monument, Covington Flat 1584 Comment
  CAS-BOT-BC32224  Carex multicostata Frederick Morris Reed 1908-7-11 2483 Riverside Summit of San Jacinto Mt. 2621 Comment
  POM14316  Carex multicostata Phillip A. Munz 1922-7-7 6052 Riverside San Jacinto Mountains: Round Valley 2713 Comment
  RSA522270  Carex praegracilis Steve Boyd, David E. Bramlet, Harry Spilman 1989-4-30 3516 Riverside Gavilan Hills, Harford Springs County Park on the N edge of the Gavilan Plateau, E of Gavilan Creek 610 Comment
  UC1930090  Carex praegracilis Scott D. White, Justin Wood 2008-4-3 11795 Riverside Perris/Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan property, Alberhill area. (Lake Matthews) Comment
  UCR27269  Carex sartwelliana A. C. Sanders 1980-8-23 1761 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  RSA180457  Carex triquetra E. W. Lathrop 1965-5-9 5736 Riverside 6 miles W of Murrieta. Comment
  UCR174425  Castilleja affinis A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32481 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR59508  Castilleja affinis Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3557 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake Area, along Arroyo Seco drainage from junction with Kolb Creek, S to within 0.25 mi of Hwy 79 457 Comment
  RSA652586  Castilleja affinis C. J. Humphrey 1936-6-7 325 Riverside [No location information provided.] Comment
  UCR85645  Castilleja exserta A. C. Sanders 1993-4-5 13693 Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74 460 Comment
  SDSU13332  Castilleja exserta subsp. exserta Tom Duffy, Taria Sagar 2000-4-29 6 Riverside Two hundred meters NE of Santa Margarita Ecological Reserve North field station 320 Comment
  RSA706  Castilleja linariifolia J. T. Howell 1927-8-1 526 Riverside Mission Creek, Colorado Desert. 610 Comment
  RSA783631  Castilleja martinii J. D. Olmsted 1962-5-3 3527 Riverside Along road from Santa Rosa Indian Reservation to old village, etc. At first canyon crossing to SW side. 1555 Comment
  LA209249  Castilleja miniata Elizabeth McClintock; 1939-8-20 sn Riverside San Jacinto Mountains, Round Valley Comment
  SBBG66913  Castilleja miniata subsp. miniata E. Peterson, J. Ewan 1930-8-31 Riverside N fork of Tahquitz Crk 2499 Comment
  JEPS26994  Caulanthus hallii W. L. Jepson 1914-5-18 6002 Riverside n Indio (Pinon Well); Colorado Desert, , n of Indio 762 Comment
  RSA709075  Caulanthus heterophyllus 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
  SD167181  Caulanthus heterophyllus S. J. Myers, John Green 2003-4-4 Riverside Powerline trail west of Juan Diego Flats toward Reed Valley, northwest of Cahuilla Mountain. 1220 Comment
  UCD114540  Caulanthus heterophyllus D. E. Bramlet 1991-5-14 2150 Riverside Perris-Aquanga basin region: North Domenigoni Hills, ca. 0.5 miles SE of end of Warren Road, on large, prominent peak adjacent to old quarry, E of access road. 655 Comment
  UCR98075  Caulanthus heterophyllus A. C. Sanders, G. Helmkamp 1997-3-15 19947 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 488 Comment
  SBBG2444  Caulanthus lasiophyllus K. K. Muller 1958-3-21 907 Riverside Whitewater Cyn, 1.5 mi N of Interstate 70 Comment
  RSA527665  Caulanthus lasiophyllus var. rigidus Steve Boyd, Timothy S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4115 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  UCR27052  Caulanthus simulans L. F. LaPre, S. Boyd 1982-4-29 s.n. Riverside Peninsular Range, Road S3, 5 mi south of Sage 701 Comment
  RSA3119  Ceanothus crassifolius Carl B. Wolf 1932-2-11 2648 Riverside Hidden Canyon 5 mi. W. of Corona at base of Santa Ana Mts. 405 Comment
  RSA569988  Ceanothus crassifolius Steve Boyd, Kyle Boyd 1993-3-28 7922 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
  RSA575074  Ceanothus crassifolius Steve Boyd 1981-3-4 810304 -W 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
  SDSU13472  Ceanothus crassifolius James C. Dice, George Diggs 1987-12-7 763 Riverside Santa Margarita Ecological Reserve: north side of Temecula Gorge, ca. 0.4 km ENE of Field Station site (just SE of Weather Station), overlooking Santa Margarita River. T8S, R3W, NW 1/4 of NW 1/4 of Section 26. 341 Comment
  UC1871015  Ceanothus crassifolius Steve Boyd, T. S. Ross 1993-3-23 7899 Riverside Peninsular Ranges; Palomar Mountains region; 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, T8S R1W SE 1/4 NE 1/4 sec. 29. Elev. 2000-2200 feet. Comment
  RSA575059  Ceanothus cuneatus Steve Boyd 1981-3-4 810304 -C 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
  UCR154461  Ceanothus cuneatus var. cuneatus Jason L. Hlebakos 2005-5-30 803 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  SD229243  Ceanothus greggii var. perplexans Dick Schwenkmeyer 2012-8-6 767 Riverside Garnet Queen Mine on Santa Rosa Mountain road, 4.1 miles southeast of the intersection of highway 74 and Santa Rosa Mountain Road. 1834 Comment
  UC489159  Ceanothus integerrimus C. V. Meyer June 1927 178 Riverside San Jacinto Mountains 1828 Comment
  HSC99956  Ceanothus leucodermis J. P. Smith, & J. O. Sawyer 2011-6-9 13209 Riverside Mt. Etna Road, W of Hwy. 243. 1166 Comment
  JEPS42020  Ceanothus leucodermis W. L. Jepson 2291 Riverside Strawberry Valley San Jacinto Canyon 1676 Comment
  UCR823  Ceanothus leucodermis Robert A. Hawthorne 1957-4-18 s.n. Riverside Peninsular Range, US Hwy 395, 4 miles south of Temecula 366 Comment
  RSA570553  Ceanothus ophiochilus Steve Boyd, Chris Frazier 1993-4-24 8012 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. 1000 Comment
  RSA606742  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27405 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
  SD229240  Ceanothus palmeri Dick Schwenkmeyer 2012-4-18 703 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
  SD229241  Ceanothus palmeri Dick Schwenkmeyer 2012-6-27 760 Riverside Strawberry Creek, 1/4 mile northwest of Humber Park, Idyllwild. 1914 Comment
  SEINET13946104 Image available Ceanothus tomentosus Lewis S. Rose 1949-1 49073 Riverside 2 mi. south of Temecula 366 Comment
  RSA126838  Cenchrus spinifex H. S. Yates 1937-6-28 6741 Riverside Near Indio. 30 Comment
  UCR23674  Centaurea repens John C. Roos 1965-9-21 s.n. Riverside Riverside, Arlington area Comment
  UCR159773  Centaurea solstitialis Chris E. True, Robert Cox 2005-6-17 s.n. Riverside Beaumont Badlands, San Timoteo Canyon, north of historic schoolhouse and RR tracks, just NE of El Casco Lakes 610 Comment
  UCR193853  Centaurea solstitialis John F. Green 2008-7-9 s.n. Riverside Peninsular Range, Menifee Valley, Briggs Rd. south of Scott Rd. and north of Woodbine Lane 447 Comment
  UCR238750  Centaurea solstitialis John F. Green 2012-9-11 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, between Perris and March Air Base, Harvill Ave. at Markham St., just west of I-215 Fwy 464 Comment
  RSA573436  Centaurea solstitialis Steve Boyd 1994-9-14 8339 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, western edge of the Oak Flats area near the junction of the Lucas Canyon and Verdugo Trails. 768 Comment
  OBI59578  Centaurium calycosum L. A. McGill & H. S. Gentry, H. S. Gentry 1979-5-25 2555 Riverside Murrieta; Howard Scott Gentry Experimental Research Ranch Comment
  CAS-BOT-BC288826  Centromadia parryi subsp. australis James I. McMurphy 1916-8-13 s.n. Riverside Temecula Comment
  RSA707583  Centromadia pungens subsp. laevis Jasmine Watts 2005-7-19 s.n. Riverside Hemet. South of Highway 74, and west of Warren Road. Comment
  RSA737355  Centromadia pungens subsp. laevis Justin M. Wood 2008-9-19 138 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  RSA741552  Centromadia pungens subsp. laevis Justin M. Wood 2008-11-5 220 Riverside Murrieta Creek- 2 miles SE of Murrieta, open field N of Winchester Rd and between the creek and Jefferson Ave. 314 Comment
  RSA800232  Centromadia pungens subsp. pungens Justin M. Wood 2010-6-17 2045 Riverside Perris Basin: March ARB, roadside ditch south of Cactus Ave. and west of Heacock St. 473 Comment
  JOTR00987  Centrostegia thurberi Cole, James E. 1941-5-17 711 Riverside Joshua Tree National Park. COVINGTON FLAT CANYON 1280 Comment
  JEPS57818  Centrostegia thurberi var. thurberi W. L. Jepson 1914-5-18 5992 Riverside n of Indio (Pinyon Well); Pinyon Well 762 Comment
  RSA673720  Cerastium glomeratum Scott D. White, W. La Haye 2000-5-27 7942 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  SEINET13709762  Cerastium viscosum J. Adams, J. Adams (Botany) 1966-1 713 Riverside Santa Rosa Plateau, Alond Dirt Rd to Murrieta, 15 Mi. E De Luz 2500 Ft 762 Comment
  JEPS64764  Cercidium floridum subsp. floridum Marjorie D. Clary May, 1928 Riverside Coral Reef Ranch Colorado Desert, Coachella Comment
  UCR164288  Cercocarpus betuloides S. J. Myers 2001-4-6 s.n. Riverside San Jacinto Mtns., Bautista Canyon 976 Comment
  UC64540  Cercocarpus betuloides var. betuloides H. M. Hall 1897-4-17 473 Riverside Beaumont Comment
  UCR202238  Chaenactis artemisiifolia Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  UCR37475  Chaenactis artemisiifolia Steve Boyd 1981-4-8 s.n. Riverside Peninsular Range, Dawson Canyon, Gavilan Hills Comment
  RSA781601  Chaenactis carphoclinia Duncan S. Bell 2011-12-30 3031 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  UCR104818  Chaenactis carphoclinia George K. Helmkamp, E. A. Helmkamp 1998-2-18 2732 Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, 10.6 miles SSW of Chuckwalla Valley Rd. on Graham Pass Rd. 488 Comment
  POM15194  Chaenactis carphoclinia var. carphoclinia Mary F. Spencer 1922-4-8 425 Riverside Palm Springs Comment
  RSA761043  Chaenactis carphoclinia var. carphoclinia Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-21 154 Riverside N of Desert Center. Jct of Hwy 177 and Kaiser Rd. W of Kaiser Rd. N of Hwy 177. 335 Comment
  CAS-BOT-BC276921  Chaenactis fremontii David Charlton 1988-2-25 1225 Riverside S side of Little San Bernardino Mountains. Dillon Road and 1000 Palms Oasis Road Junction S of Joshua Tree National Park, parallel to I-10. 5 miles E of Junction Dillon Road and Fargo Canyon Rd, near small hill with blow sand on top 2000' 609 Comment
  OBI51900  Chaenactis fremontii David Charlton 1988-2-25 1225 Riverside Alluvial Fan, S side of Little San Bernardino Mts. Dillon rd and 1000 Palms Oasis Rd jct S of Joshua Tree Natl Park, parallel to I-10. 5 mi E of jct Dillon rd and Fargo Cyn Rd 610 Comment
  RSA182341  Chaenactis fremontii J. D. Olmsted 1962-5-1 3431 Riverside 5 degrees NE slope just west of top of highest Southern California waterfall; 1/4 mi. SE of Falls Plateau, Snow Canyon N of Mt. San Jacinto 945 Comment
  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
  SD130354  Chaenactis glabriuscula Ed LaRue 1990-4-13 Riverside I(c) miles northwest of Aguanga, north of Highway 79 and west of Highway 371. 640 Comment
  UCSB38653  Chaenactis glabriuscula 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; Lake Cahuilla Comment
  CAS-BOT-BC277412  Chaenactis glabriuscula var. glabriuscula Scott D. White 1996-4-14 3898 Riverside Perris Basin. E of Hemet: San Jacinto River Wash near Valle Vista, N of Hwy. 74, ca. 1.7 mi W of USFS Cranston Fire Station 550 Comment
  CAS-BOT-BC277416  Chaenactis glabriuscula var. glabriuscula H. M. Hall 1899-5-1 s.n. Riverside San Jacinto Mt. (Van de Venter's [Vandeventer]) 1371 Comment
  JEPS30914  Chaenactis glabriuscula var. glabriuscula P. Stockwell 1940-4-24 1506 Riverside 1 mi e Banning Comment
  RSA583749  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1995-4-24 8482 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on northern flank of Agua Tibia Mountain at the north base of Wildhorse Peak, along the Wildhorse Trail near the northeastern corner of the Wilderness. 671 Comment
  RSA708415  Chaenactis glabriuscula var. glabriuscula Scott D. White 2005-3-29 10840 Riverside San Gorgonio Pass: Cabazon. Alluvial fan and benches west of San Gorgonio river and south of I-10 Freeway. West of existing gravel quarry, likely to be proposed for quarry expansion. 585 Comment
  SBBG65574  Chaenactis glabriuscula var. lanosa M. N. Ackley 1928-3-11 273 Riverside near Cabazon, San Gorgonio Pass 609 Comment
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Mar 13 2011
  CAS-BOT-BC284347  Chaenactis stevioides H. M. Hall 1905-4-23 5874 Riverside Chuckawalla Bench, Colorado Desert Comment
  RSA793471  Chamaesyce abramsiana Duncan S. Bell, Aaron Sedgwick 2012-9-13 4196 Riverside Hayfields Lake; eastern section of dry lake, approximately 3.75 air miles southeast of Hayfields pumping plant. 420 Comment
  UCR241109  Chamaesyce abramsiana Tim Thomas, Paul Frank, Art Schaub, Michael Honer 2012-9-5 5884 Riverside Colorado River Valley, Wilson Road, 0.3 mi west of the river 104 Comment
  JOTR33670  Chamaesyce albomarginata La Doux, Tasha, Mike Bell, Mariya Navasio 2005-9-21 2660 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Wonderland of Rocks; Near Wall Street Mill parking area 1310 Comment
  RSA543172  Chamaesyce albomarginata Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6082 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
  RSA793559  Chamaesyce micromera Duncan S. Bell 2012-9-13 4175 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  SEINET3089924 Image available Chamaesyce pediculifera A. C. Sanders, Pitzer, Wright, Charleton, Weir, Bramlett, et al. 1986-3-9 6231 Riverside Painted Gorge, 5.1 miles N of S-80 on Painted Gorge Road, ca. 5 miles NE of Ocotillo. 152 Comment
  HSC83003  Chamaesyce polycarpa G. K. Helmkamp 1985-6-28 600 Riverside S of Morongo Valley, at the lower end of the canyon where it opens into the W end of the Coachella Valley 503 Comment
  RSA680924  Chamaesyce polycarpa Scott D. White, Michael Honer 2003-5-14 9280 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  RSA433  Chamaesyce polycarpa var. hirtella J. T. Howell 1927-4-1 521 Riverside Near Mission Creek, Colorado Desert 457 Comment
  RSA599291  Chamaesyce serpillifolia subsp. hirtula L. C. Wheeler 1945-10-7 6140 Riverside San Jacinto Mountains. Fuller Mill Creek, North Fork San Jacinto River. 1828 Comment
  CAS-BOT-BC70036  Cheilanthes covillei Ivan Johnston 1917-4-4 1113 Riverside Palm Canyon 762 Comment
  RSA0104417  Cheilanthes covillei Duncan S. Bell 2015-2-6 7736 Riverside Santa Rosa Mountains; along Cactus Spring Trail, where the trail crosses Horsethief Creek. 1054 Comment
  RSA6098  Cheilanthes covillei C. B. Wolf 1932-5-24 3646 Riverside 0.5 mile below the Fish Hatchery, Snow Creek, north base of San Jacinto Mountains 549 Comment
  RSA675698  Cheilanthes covillei Scott D. White 2001-5-1 8437 Riverside Near Sun City: Quail Valley: Valleys and slopes east of Canyon Lake and west of Goetz Road. 442 Comment
  UCD137422  Cheilanthes covillei Geoffrey Levin 1976-3-27 697 Riverside Hills on south side of Chino Canyon. West of Palm Springs. San Jacinto Mts. 457 Comment
  RSA0065476  Cheilanthes covillei Nancy Ryan Zabriskie, Walter Zabriskie 1971-4-9 363 Riverside Deep Canyon south of Highway 74, c. 2 mi. up water service road, below crossing, Santa Rosa Mountains. 1310 Comment
  SEINET6744643  Cheilanthes intertexta G. R. Vasey 1881-1 Riverside Whitewater Comment
  UC2015696  Cheilanthes newberryi Scott D. White 1996-3-23 3842 Riverside Perris Basin Santa Rosa Hills, SE of Hemet (Loomis property: Friendly Hills Ranch) Comment
  UCR194819  Cheilanthes newberryi Scott D. White 2006-4-27 11312 Riverside Perris Basin/San Jacinto Mtn Foothills, Santa Rosa Hills, south of Hemet 610 Comment
  UC669240  Cheilanthes parryi Annie M. Alexander and Louise Kellogg 1941-2-28 1875 Riverside Andreas Canyon; San Jacinto Mts 335 Comment
  UC669241  Cheilanthes parryi Annie M. Alexander and Louise Kellogg 1941-2-28 1875 a Riverside Andreas Canyon; San Jacinto Mts 335 Comment
  POM9748  Cheilanthes parryi Philip A. Munz 1921-12-31 4700 Riverside Andreas Canyon, Colorado Desert. Comment
  POM9932  Cheilanthes viscida F. W. Peirson 1921-3-22 2371 Riverside Murray Canyon, south side in canyon 457 Comment
  UCR115925  Chenopodium Mitch Provance 2000-12-10 2284 Riverside Riverside, 'Jilberto's Mexican Restaurant', c. 0.5 miles west of Hwy 215 on University Ave. 299 Comment
  RSA0063037  Chenopodium album Andrew Haimov, April Sleigh 1992-5-26 98 Riverside 10 meters east of Davis Road, 1 1/4 miles north of Ramona Expressway, near San Jacinto Wildlife Area access road. Comment
  UCR97452  Chenopodium atrovirens A. C. Sanders, Pam MacKay, Tim Thomas, G. K. Helmkamp 1997-2-8 19684 Riverside Colorado Desert/San Jacinto Mtns:, Palm Springs area, Tahquitz Debris Basin at mouth of Tahquitz Canyon 183 Comment
  UCR113904  Chenopodium berlandieri Mitch Provance, A. C. Sanders 2000-7-4 2083 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR115434  Chenopodium berlandieri Scott D. White 1994-6-23 2095 Riverside Temecula/Murrieta Region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  RSA562454  Chenopodium californicum Steve Boyd, Timothy S. Ross 1992-5-5 7235 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail. 732 Comment
  RSA700016  Chenopodium californicum Scott D. White, Michael Honer 2003-4-4 8934 Riverside Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  UCD169562  Chenopodium pratericola A. C. Sanders 2008-7-25 35907 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, along Bonita Vista Rd. at foot of hills. 1580 Comment
  UCR163987  Chenopodium rubrum John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, 2 miles NE of Squaw Mountain 640 Comment
  CAS-BOT-BC231778  Chilopsis linearis H. M. Hall 1901-6-1 2112 Riverside San Jacinto Mountains. Eastern base, along the borders of the Colorado Desert Comment
  UC1125577  Chilopsis linearis subsp. arcuata H. S. Yates 1936-4-7 5418 Riverside near Palm Springs San Jacinto Quad. Comment
  UC887890  Chilopsis linearis subsp. arcuata E. C. Jaeger 1921-6-15 1055 Riverside along watercourse at base of McMullin Trail Banning Comment
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Nov 5 2011
  CAS-BOT-BC184874  Chloris virgata S. B. Parish 1912-10-24 8227 Riverside Salton Basin. Manual. -39 Comment
  JOTR28749  Chorizanthe brevicornu var. brevicornu La Doux, Tasha, Bill Truesdell 2004-2-24 1030 Riverside Joshua Tree National Park. Eagle Mountains; Trail to Lost Palms Oasis, southeast of Cottonwood Oasis 914 Comment
  RSA339657  Chorizanthe brevicornu var. brevicornu Robert F. Thorne, C. W. Tilforth 1980-5-28 54227 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  HSC66732  Chorizanthe corrugata D. L. Goforth, D. Reed 1980-3-25 356 Riverside Hwy. 195, 6 miles E of Mecca. Box Canyon, Mecca Hills 122 Comment
  CAS-BOT-BC191254  Chorizanthe fimbriata var. fimbriata Steve Boyd 1986-5-1 1785 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow. Skunk Hollow vernal pool Comment
  HSC35441  Chorizanthe fimbriata var. fimbriata J. D. Ackerman, A. M. Montalvo 1975-6-26 523 Riverside Hwy. 74 between Lake Elsinor and San Juan Capistrano, near upper San Juan Campground Comment
  RSA487227  Chorizanthe leptotheca James L. Reveal, Rose Broome 1987-6-27 6611 Riverside Along the road toward Lake Hemet Campground on the N shore of Lake Hemet, 0.2 mile E of the Lake Hemet Picnic Area and 0.8 mile W of California Hwy 74. 1631 Comment
  RSA392584  Chorizanthe parryi var. parryi N. C. Cooper 1944-5-19 1301 Riverside Banning. 701 Comment
  UCR116991  Chorizanthe parryi var. parryi A. C. Sanders, T. B. Salvato 2001-5-3 24072 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR274327  Chorizanthe parryi var. parryi Mitch Provance 2012-5-22 17389 Riverside San Bernardino Mountains, Northeast Banning, area bordering Cherry Valley and Beaumont, along Smith Creek, 0.3 mi ESE of Highland Springs Ave. and Brookside Ave. 930 Comment
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Oct 26 2018
  UCR176170  Chorizanthe polygonoides subsp. longispina John F. Green 2006-5-10 s.n. Riverside Peninsular Ranges, City of Murrieta; south of the Hogbacks. north of Hunter Road to Ramage Lane, between Calle de Amor on the E and Springview/Kiwebre Road on the W 402 Comment
  CAS-BOT-BC257187  Chorizanthe polygonoides var. longispina Steve Boyd 1986-4-2 1587 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park 640 Comment
  CAS-BOT-BC246241  Chorizanthe rigida Peter H. Raven 1958-1-23 11430 Riverside alluvial fan of Fargo Canyon Comment
  RSA607326  Chorizanthe rigida R. S. Woglum 1939-3-21 2175 Riverside Sonoran Desert: Mecca; north edge of Salton Sea. Comment
  UCR139166  Chorizanthe staticoides S. J. Myers 2003-4-22 s.n. Riverside Murrieta Area, hill 1564 between Auld. Rd. and Benton Rd. near Pourroy Rd., south of Alamos School site, north of Tucalota Creek 477 Comment
  POM265700  Chorizanthe uniaristata J. C. Roos 1937-4-23 1807 Riverside At Whitewater. Comment
  GMDRC1319  Chorizanthe watsonii J. Andre 2004-4-24 4277 Riverside Little San Bernardino Mountains: Joshua Tree NP: Joshua Tree woodland (sparse), near bench by wash in sandy soil. Elev. 3711 ft. 1131 Comment
  RSA6112  Chorizanthe xanti var. leucotheca Carl B. Wolf 1932-5-25 3677 Riverside 1 mile below the Fish Hatchery, Snow Creek, north base of San Jacinto Mountains 396 Comment
  UCR230194  Chrysanthemum coronarium A. C. Sanders, T. B. Salvato 2011-4-29 39357 Riverside Peninsular Range; Perris-Aguanga Basin Region, Romoland, McLaughlin Rd. east of Palomar Rd., near powerplant and railroad 445 Comment
  CLARK-A1528-1728  Chrysothamnus paniculatus John C. Roos 1943-10-17 2736 Riverside Little San Bernardino Mountains Comment
  SD70008  Chylismia arenaria Darley F. Howe 1968-3-19 Riverside Graham Pass, Little Chuckwalla Mountains. Comment
  UCD103846  Chylismia claviformis Robert C. Bechtel 1952-3-28 32 Riverside Whitewater. 152 Comment
  CAS-BOT-BC160631  Chylismia claviformis subsp. aurantiaca F. H. Billings 1926-1-25 10 Riverside Palm Springs Comment
  JOTR34374  Chylismia claviformis subsp. aurantiaca Andre, Jim 2012-4-16 20894 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  UCR251906  Chylismia claviformis subsp. aurantiaca Jim Andre 2013-3-27 24830 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
  CLARK-A1528-191  Cirsium californicum Rand Ch. Isbell 1970-5-24 16 Riverside Riverside 640 Comment
  UCR159248  Cirsium vulgare A. C. Sanders, Kelly Volansky 2005-8-31 31581 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
  UCR202218  Cirsium vulgare Denise Woodard, G. Nuhn 1995-8-21 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, 300 acre parcel at west end of Domenigoni Valley, c. 3 miles south of Winchester on the west side of Winchester Rd. 470 Comment
  POM46849  Cistanthe monandra H. M. Hall 1904-5-19 4944 Riverside Fairmont Park. Comment
  CAS-BOT-BC438967  Cistanthe monosperma Winifern W. Swarth 1914-9-10 s.n. Riverside Tahquitz Valley, San Jacinto Mts. 2438 Comment
  POM12750  Cistanthe monosperma P. A. Munz 1922-7-6 6003 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  CAS-BOT-BC162601  Clarkia E. W. Lathrop 1974-6-4 7401 Riverside 3 miles SW of Corona, Hagador Canyon, Cleveland Nat'l. Forest, Trabuco District - Santa Ana Mountains 274 Comment
  RSA114146  Clarkia dudleyana Peter H. Raven, R. Snow 1957-7-26 11084 Riverside Banning-Idyllwild road, 0.9 miles north of Vista Grande Ranger Station, San Jacinto Mts. Comment
  RSA448265  Clarkia dudleyana Gale Sphon 1959-5-2 322 Riverside Horsethief Canyon, Elsinore Mountains. Comment
  UCR158718  Clarkia purpurea A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30034 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
  SD143772  Claytonia parviflora A. C. Sanders, P. MacKay, T. Thomas & O. Clarke 1997-5-4 20634 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
  RSA0013150  Claytonia parviflora subsp. viridis LeRoy Gross, Duncan S. Bell 2013-4-30 6034 b Riverside Surveyed from Apela Drive, right at junction of road to sewage disposal ponds, south to Strawberry Creek. Started near 33.73367N, 116.75074W. And ended at 33.72912N 116.75098W. 1510 Comment
  UCR103898  Claytonia perfoliata subsp. mexicana B. G. Pitzer 1997-4-12 3129 Riverside Lakeview Mtns, Pulsar View Road, c. 3/4-1 mi. by road uphill from the base of the hills at the end of Warren Road (very short dirt road); c. 1 mi. airline NE of Juniper Flats Road. Approx. 0.9 mi. airline SW of Mt. Rudolph (measured from BM 'Nelson'). 610 Comment
  UCR118234  Clematis ligusticifolia Mitch Provance 1999-5-4 1685 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  POM128359  Clematis pauciflora Thos. Craig 1927-4-23 212 Riverside Glen Ivy. Comment
  SDSU20292  Clematis pauciflora Adrienne D. Russell, Michael G. Simpson 2000-4-29 129 Riverside North Field Station, Santa Margarita Ecological Reserve, rocky hillside between trailer and gorge on edge of lot, driveway. Comment
  RSA38218  Cleome isomeris P. A. Munz 1947-4-10 11723 Riverside Shavers Well; northwest of mecca. 244 Comment
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Jul 9 2012
  UCR85282  Coleogyne ramosissima Bern Schwenn 1994-4-17 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument, Pinto Mtns, west of Arch Rock along geology trail to Grand Tank, at 'Disappearing Rock' signboard and in campground adjacent to trail 1189 Comment
  POM19573  Collinsia concolor Mary F. Spencer 1923-6-9 2166 Riverside In Idyllwild. 1646 Comment
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Oct 22 2011
  RSA0117431  Collinsia concolor D. L. Banks, Steve D. Boyd 1995-5-9 384 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 701 Comment
  CLARK-A1528-849  Collinsia heterophylla F. Zaebst 1959-4-29 Riverside Temecula Comment
  RSA249425  Colubrina californica R. W. Spujt 1973-4-10 3296 Riverside North face of the Chuckwalla Mountains, 3-4 miles directly south of Desert Center 305 Comment
  SEINET4558014  Colubrina californica Carolyn Martus, Joseph Betzler, Caesara Brungraber, Lance Woolley 2008-1 1217 Riverside Northwest of the Blythe airport and in the washes east of the McCoy mountains. Comment
  UCR241383  Convolvulus simulans T. B. Salvato, Mike Landers 2013-3-21 7385 A Riverside Perris-Aguanga Basin, Murrieta, between Hwy 215 and State Route 79 (Winchester Rd), 0.23 mi east of the intersection of Keller Rd and Menifee Rd 470 Comment
  RSA0103568  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8589 Riverside Santa Rosa Mountains; collecting on forested slope between forest service road and the summit of Santa Rosa Mountain. 2324 Comment
  UC455558  Cordylanthus rigidus subsp. setiger I. J. Condit 1910-6-21 Riverside Strawberry Valley San Jacinto Mts. 1676 Comment
  RSA552693  Coreopsis californica Steve Boyd, Orlando Mistretta, Timothy S. Ross 1992-2-26 6701 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  CAS-BOT-BC101304  Corethrogyne filaginifolia Wesley Griesel 1962-9-18 744 Riverside Dark Canyon, San Jacinto Mts. 1920 Comment
  SD239607  Corethrogyne filaginifolia A. C> Sanders 2010-11-18 38690 Riverside Peninsular Range: western Gavilan Hills; eastern edge of Corona, north end of radio tower ridge, 1.85 miles NNE (25a^z) of El Cerrito, 1 mile SSE (143a^z) of Home Gardens, just east of large rock quarry (Corona South 7.5'Q) 398 Comment
  UCSB37817  Corethrogyne filaginifolia Roos, John 1965-8-19 Riverside Beaumont Comment
  RSA621444  Cornus glabrata D. L. Banks 1997-11-15 2192 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, on the north side of the Dorland Mountain Arts Colony. Along the margins of a small man-made pond. 549 Comment
  CSUSB1371  Cornus nuttallii Frank C. Vasek 1964-7-25 Riverside San Jacinto Mountains San Jacinto Mountains. Dark Canyon, near Wet Canyon campground. Comment
  RSA0042781  Cornus nuttallii Nancy Anderson 1955-5-22 s.n. Riverside Dark Canyon. 1676 Comment
  UCR12684  Coronopus didymus O. F. Clarke, James K. Ryan 1969-5-28 s.n. Riverside City of Riverside. Yard of 1012 Spruce St. 335 Comment
  UCR275575  Cotula coronopifolia T. B. Salvato, Jennifer Weiland 2005-6-13 605- 4 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
  CLARK-A1528-2617  Crassula aquatica John C. Roos 1952-4-9 5514 Riverside Edgemont 487 Comment
  SD262269  Crassula aquatica Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317 34 Riverside Perris - Aguanga Basin: Menifee, SE corner of Musick Rd. and Murrieta Rd. Vernal pool. 454 Comment
  POM129654  Cressa truxillensis J. D. Abrams 1900-05 11204 Riverside Elsinore Comment
  UCR207611  Cressa truxillensis O. F. Clarke 2004-5-7 s.n. Riverside Peninsular Range; San Jacinto Valley, San Jacinto Wildlife Area 442 Comment
  RSA0125370  Crossosoma bigelovii Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8767 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting near the Martinez Slide, approximately 4 air miles northeast of the summit of Martinez Mountain. 264 Comment
  UC990732  Crossosoma bigelovii Roxana S. Ferris 1953-3-10 12600 Riverside about 2 mi n Whitewater Post Office; Whitewater Canyon Comment
  UC868659  Croton californicus I. W. Clokey, C. B. Clokey, and B. C. Templeton 1930-4-15 4637 Riverside Gavilan Peak 600 Comment
  UCR258633  Croton californicus T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7898 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
  UCR41370  Croton californicus N. M. Fellows 1985-1-5 63 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mtn., 1 mi west of Snow Creek Village 506 Comment
  UCR119447  Crypsis schoenoides A. C. Sanders, Mitch Provance 1999-9-26 23100 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  UC1010304  Crypsis vaginiflora John C. Roos 1952-6-4 5735 Riverside river bottomland 1 1/2 mi se Perris; San Jacinto River 426 Comment
  RSA544442  Crypsis vaginiflora Steve Boyd, Timothy S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6349 Riverside Skunk Hollow area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aquaduct. Comment
  HSC3570  Cryptantha angustifolia R. A. Eagle 1964-3-28 14 Riverside 7 mi. out along the Thunderbird road. Comment
  RSA777448  Cryptantha angustifolia Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 967 Riverside Blythe-Rice Road, East/Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing 243 Comment
  SEINET3083593 Image available Cryptantha angustifolia E. R. Blakley 1966-4-9 6756 Riverside 1 mi. W. Desert Center on US 60-70. 274 Comment
  POM368195  Cryptantha angustifolia Anonymous s.n. Riverside Colorado Desert. Comment
  RSA0123759  Cryptantha barbigera Duncan S. Bell, LeRoy Gross 2016-3-9 s.n. Riverside Orocopia Mountains; northwestern section of the range, approximately 6.5 air miles southwest of Chiriaco Summit, collecting in the area know as Hotel California. 775 Comment
  UCD118999  Cryptantha barbigera G. K. Helmkamp 1984-5-2 D- 26 Riverside Little San Bernardino Mountains Big Morongo Canyon, 3 - 3.5 miles below the caretaker's house at the Big Morongo Preserve. 550 Comment
  UCR167272  Cryptantha barbigera 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
  UCR216506  Cryptantha barbigera Tasha La Doux, Jim Andre 2009-3-10 384 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
  UCR86212  Cryptantha barbigera A. C. Sanders 1995-5-23 17114 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fans below the Santa Rosa Mountains, north of Toro Canyon., west of Monroe St., and south of Avenue 62 91 Comment
  SDSU5392  Cryptantha barbigera var. barbigera H. Wedberg 1962-4-20 910 Riverside About 1 mile SE of Pinyon Flats on road to Palm Springs. 1219 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
  UCR244863  Cryptantha barbigera var. barbigera Jim Andre 2012-3-19 21384 Riverside Sonoran (Colorado) Desert, Palen Mountains, along Palen Pass Rd at Palen Pass 383 Comment
  SD186127  Cryptantha barbigera var. fergusoniae N. M. Fellows, A. C. Sanders and A. Strickland 1986-4-8 180 Riverside Oasis de Los Osos Preserve, off Snow Creek Canyon at the north foot of the San Jacinto Mountains. 488 Comment
  UCR120565  Cryptantha barbigera var. fergusoniae Helen Kennedy, T. B. Salvato 2002-2-2 5447 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
  UCR166011  Cryptantha costata Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  UCR75100  Cryptantha costata A. C. Sanders, E. J. Lawlor 1992-4-3 12085 Riverside Sonoran (Colorado) Desert, 0.2 mi north of Hwy I-10 at the Wiley Well Rest Stop, c. 31 mi east of Desert Center. 122 Comment
  SBBG87958  Cryptantha cycloptera A. C. Sanders, B. Pitzer, D. Charlton 1986-3-3 6144 Riverside N foot of the Chuckwalla Mtns, 2.75 airline mi SE of Desert Center 365 Comment
  JOTR30656  Cryptantha dumetorum La Doux, Tasha, Jim Andre 2008-3-21 149 Riverside Joshua Tree National Park. Lower Wilson Wash along NE side of paved road 852 Comment
  RSA0023243  Cryptantha dumetorum J. Andre 2013-3-4 23868 Riverside Sandy bluffs overlooking Colorado River, 0.2 miles east of Hwy 95, just south of Riverside Mountains, just north of Queen Sable Point. 96 Comment
  RSA0124745  Cryptantha inaequata Duncan S. Bell, LeRoy Gross 2016-3-9 8840 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 1.75 air miles north of Gucci Spring. 551 Comment
  JEPS67649  Cryptantha intermedia W. L. Jepson 1935-4-17 19155 Riverside 1.5 mi n Elsinore (sw Riverside County) 457 Comment
  POM368267  Cryptantha intermedia Christopher Davidson, Robert Gustafson 1977-4-7 5579 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. 610 Comment
  POM368273  Cryptantha intermedia Ora M. Clark 1929-3-2 1601 Riverside Near Alberhill Comment
  RSA0106802  Cryptantha intermedia Mitch Provance 2012-5-24 512 -04 Riverside San Bernardino Mountains: Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 869 Comment
  RSA586810  Cryptantha intermedia D. L. Banks, S. D. Boyd 1995-5-3 247 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA786099  Cryptantha intermedia C. P. Cowan 1978-4-24 1254 Riverside 19.6 mi S on Hwy 74 from its jct with Hwy 111 at Indian Wells. Sta. Rosa Road, 1.9 mi S of 74. Whittaker transect no.W-225(voucher). Comment
  SEINET7073407  Cryptantha intermedia A. G. Vestal 1963-4-23 s.n. Riverside About 0.1 mile east of Corner at the base of Gavilans Hills. Coordinate datum: NAD27. Comment
  UCR154393  Cryptantha intermedia A. C. Sanders, Mike Misenhelter 2005-6-15 30972 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
  UCR16162  Cryptantha intermedia Tony Beck 1968-4-28 680428- 9 Riverside San Bernardino Mtns/ Colorado Desert, one-half mi. south of fish pond in Whitewater Canyon, near where river crosses the road. Comment
  UCR162276  Cryptantha intermedia 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
  UCR171973  Cryptantha intermedia John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula, Long Canyon, Southern California Edison right of way between residential areas, south of Rancho California Road and east of Margarita Road 366 Comment
  UCR225733  Cryptantha intermedia A. C. Sanders 2011-3-30 38918 Riverside Peninsular Range; SE edge Gavilan Hills, along north side of Hwy 74 at Riverside Street, just outside city limits of Lake Elsinore 479 Comment
  POM9601  Cryptantha intermedia I. M. Johnston 1920-5-8 s.n. Riverside Butte due west of Lakeview Comment
  RSA650992  Cryptantha intermedia C. J. Humphrey, H. Humphrey 1936-6-6 373 Riverside Probably from Riverside Comment
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Dec 15 2011
  RSA0062497  Cryptantha intermedia var. intermedia J. M. Andre 2012-6-15 30492 Riverside San Jacinto Mountains: Along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest. 1171 Comment
  SDSU21786  Cryptantha juniperensis A. C. Sanders, Helen Kennedy 2005-4-15 29505 Riverside South Coast: Batiquitos Lagoon Ecological Reserve, just N of the Leucadia, north side of the mouth of the lagoon between the railroad crossing and Carlsbad Blvd. 8 Comment
  RSA0049916  Cryptantha maritima Jim Andre 2014-1-27 26673 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  RSA499627  Cryptantha maritima Robert Gustafson 1983-3-27 2488 Riverside Dry rocky canyon southwest of Lake Cahuilla . Comment
  RSA650995  Cryptantha maritima Marion P. Harthill 1971-3-19 39 Riverside Palm Desert. Comment
  UCR163920  Cryptantha maritima A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29141 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  UCR279596  Cryptantha maritima var. pilosa A. C. Sanders, Jim Malusa 2017-3-28 43163 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  CLARK-A1528-2223  Cryptantha micrantha John C. Roos 1949-4-11 4239 Riverside Chuckwalla Mountains Comment
  RSA0080319  Cryptantha micrantha Sarah J. De Groot, Cheryl Sevilla 2015-2-24 s.n. Riverside Sand dunes along Blythe-Rice (Midland) Road, Rice Valley, south of Turtle Mountains, east of Arica Mountains, 1.9 miles south of Highway 62 and Rice. 234 Comment
  UC857182  Cryptantha micrantha I. W. Clokey and B. C. Templeton 1930-4-9 4709 Riverside n of Palm Springs; Colorado Desert 200 Comment
  UCSB41258  Cryptantha micrantha Cowan, Clark 1978-4-23 Riverside 12.1 mi. (19.2 km.) S on Hwy. 74 from jct. with Hwy 111 at Indian Wells 950 Comment
  RSA395364  Cryptantha microstachys Steve Boyd 1986-4-22 1731 Riverside Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mtn. and Gavilan Hills. Comment
  SEINET3004920  Cryptantha microstachys G. Rink 2010-10-3 10338 Riverside Plains east of the McCoy Mtns., north of Blythe 152 Comment
  UCR177829  Cryptantha microstachys 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
  UCR270176  Cryptantha microstachys A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42402 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
  UCR44430  Cryptantha microstachys A. C. Sanders, B. Pitzer 1986-4-30 6479 Riverside San Jacinto Mtns, Bee Cyn, along the road [Bee Canyon Truck Trail], 1.1 miles above mouth of canyon at the San Jacinto River Valley 710 Comment
  UCR75552  Cryptantha microstachys A. C. Sanders 1993-4-30 13884 Riverside San Bernardino Mtns., along Butterfly Road, which joins Wildwood Canyon Road 0.4 mi. west of Oak Glen Road; between Cherry Valley and the Riverside County line 1100 Comment
  UCR90387  Cryptantha microstachys Steve Boyd 1995-4-24 8474 A Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on N flank of Agua Tibia Mtn, at N base of Wildhorse Peak. Along the Wildhorse Trail near its junction with the Dripping Springs Trail. 610 Comment
  RSA192173  Cryptantha muricata E. W. Lathrop 1965-4-4 5615 Riverside 8 miles west of Murrieta-Tenaja Range. Comment
  UCR44431  Cryptantha muricata A. C. Sanders, B. Pitzer 1986-4-30 6480 Riverside San Jacinto Mtns, Bee Cyn, along the road [Bee Canyon Truck Trail], 1.1 miles above mouth of canyon at the San Jacinto River Valley 710 Comment
  RSA0079246  Cryptantha muricata var. jonesii Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3162 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA0079426  Cryptantha muricata var. jonesii Robert Gustafson 1983-4-18 2501 Riverside Clinton Keith Road, about 3 miles from its junction with Hwy. 15, eastern slopes of the Santa Ana Mts. 457 Comment
  UCR279548  Cryptantha nevadensis var. nevadensis A. C. Sanders, Jim Malusa 2017-3-27 43133 Riverside Sonoran (Colorado) Desert, NW edge of Chocolate Mountains, lower Salt Creek on the illegal OHV road from the Coachella Canal to the trestle, inside Navy Aerial Gunnery Range 44 Comment
  UC1329935  Cryptantha pterocarya James E. Cole 1941-4-13 566 Riverside 0.5 mi n Meeks Cabin; Joshua Tree National Monument, Pinto Pass Comment
  UCR269842  Cryptantha pterocarya var. cycloptera A. C. Sanders, Jim Malusa 2016-3-18 42383 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  SD247360  Cryptantha pterocarya var. pterocarya A. C. Sanders 1986-6-1 6536 Riverside San Jacinto Mountains; trail to Spitler Peak from Hurkey Creek Camp to Bonita Vista Road. 1835 Comment
  RSA0079328  Cryptantha pterocarya var. purpusii J. R. Bruff 1928-4-2 s.n. Riverside Canyon wash 1 mile west of Morengo. Comment
  JOTR30329  Cryptantha racemosa La Doux, Tasha, E. Babich, J. Galvin, B. Truesdell, N. Fraga, A. Miller, J. Van Warmerdam 2008-2-4 1772 Riverside Joshua Tree National Park. Stop #2: Hexie Mtns./Porcupine Wash. Deep canyon with sandy bottom and rocky steep slopes. 778 Comment
  GMDRC2046  Cryptantha utahensis J. Andre 2006-4-26 6765 Riverside Little San Bernardino Mountains: Joshua Tree National Park: Long Canyon, approx. 2.3 mi. S. of NE corner (boundary) of park Near 34.06072 deg. N 116.44711 deg. 43681' W. Elev. 3463 ft. 1056 Comment
  RSA499801  Cryptantha utahensis Christopher Davidson 1973-4-19 1987 Riverside Joshua Tree Natl. Monument, ca 4 mi. E of Split Rock, ca 1.5 mi S of park entrance. 1220 Comment
  CAS-BOT-BC68027  Cryptogramma acrostichoides Carl B. Wolf 1932-8-5 3978 Riverside San Jacinto Mts. - summit of San Jacinto Peak 3293 Comment
  RSA192295  Cucurbita foetidissima H. A. Zuill 1966-6-27 248 Riverside 2 - 4 miles WSW of Murrieta. Comment
  RSA263654  Cupressus forbesii E. W. Lathrop 1977-4-20 7607 Riverside Beford Truck Trail of the Cleveland Nat'l. Forest, Trabuco District. 3.8 miles below the Main Divide Truck Trail and the North side of the Bedford Truck Trail. 914 Comment
  UCR124168  Cupressus forbesii June Latting 1978-5-4 s.n. Riverside Santa Ana Mountains, Sierra Peak 929 Comment
  RSA652887  Cuscuta campestris John Wallace 1991-5-8 20 Riverside Colorado River,. Approximately 3 miles south of Lost Lake Resort. Comment
  UCR182506  Cuscuta salina Mitch Provance 2005-5-17 6562 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
  POM201675  Cuscuta subinclusa L. M. Booth 828 Riverside Santa Ana River at Chino Creek, near Prado. Comment
  CLARK-A1528-2579  Cycloloma atriplicifolium John C. Roos 1965-9-26 Riverside Indio Comment
  RSA478740  Cycloloma atriplicifolium Lester H. Cushman 1932-8-24 s.n. Riverside Near Vineland, where the Valley Blvd. crosses the San Bernardino Co. line. Comment
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Nov 5 2011
  UCR178536  Cylindropuntia echinocarpa R. G. Swinney 1967-5-26 136 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 381 Comment
  SD64280  Cymopterus panamintensis var. acutifolius Darley F. Howe 1966-4-6 4162 Riverside Steep hillside near entrance of Joshua Tree National Muoument 825 Comment
  RSA356655  Cynodon dactylon R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47307 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 610 Comment
  RSA118958  Cynodon dactylon L. S. Rose 1957-1-3 57003 Riverside La Quinta. 15 Comment
  RSA335029  Cynodon dactylon Steve Boyd 1985-7-23 1002 Riverside 5 miles west of Rancho California at junction of Rancho California Road and De Luz Road. 427 Comment
  CAS-BOT-BC114542  Cyperus eragrostis G. Helmkamp; E. A. Helmkamp 1998-8-17 4446 Riverside Santa Ana Mts: San Juan Cyn along the Ortega Hwy (CA-74) beside the Orange Co. line. 502 Comment
  OBI37479  Cyperus eragrostis Steve Boyd 1985-7-23 1001 Riverside 5 mi W of Rancho California at jctn of Rancho Calif Rd and De Luz Rd 427 Comment
  RSA522108  Cyperus erythrorhizos Steve Boyd, Timothy S. Ross 1989-8-28 3801 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  RSA502522  Cyperus involucratus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3577 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  RSA776703  Cyperus squarrosus Steve Boyd, Gary D. Wallace 2005-7-30 11649 Riverside San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2659 Comment
  CAS-BOT-BC70571  Cystopteris fragilis Geo. B. Grant 1901-8-1 464 Riverside Strawberry Valley, San Jacinto Mts. 1524 Comment
  CLARK-A1528-2767  Dalea emoryi John C. Roos 1966-5-2 Riverside Palm Springs Comment
  RSA215570  Dalea formosa Susan O'Brien 1970-5-9 s.n Riverside Apache trail near Banning. Comment
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Nov 30 2014
  RSA781611  Dalea mollis Duncan S. Bell 2011-12-30 3037 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  RSA784943  Dalea mollis Duncan S. Bell 2012-2-12 3121 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  UCR228169  Dalea mollis Dave Silverman, Mark Bibbo 2010-3-30 7891 Riverside Sonoran (Colorado) Desert, lower east flank of southern McCoy Mountains, 2.0 km W of Black Creek Rd, 6.5 km E of McCoy Pk, and 4.9 km north of I-10 183 Comment
  UCR104808  Dalea mollissima George K. Helmkamp, E. A. Helmkamp 1998-2-18 2741 Riverside Chuckwalla Mtns, Graham Pass Rd, 10.6 mi. SSW of Chuckwalla Valley Rd. 488 Comment
  SEINET10486082  Dalea schottii David B. Dunn 1946-3-15 Dunn 2025 Riverside Collected on dry plateau in vicinity of pushawalla canyon, indio hills. Sparse Desert scrub of larrea and franseria, with palms at the springs in the canyon. Comment
  CAS-BOT-BC283042  Dasyochloa pulchella C. L. Hitchcock 1940-4-1 5907 Riverside 1 mi. below Cottonwood Spring, Joshua Tree Nat. Monument Comment
  RSA91543  Dasyochloa pulchella F. W. Peirson 1920-2-16 1546 Riverside South of Palm Springs, arm of Colorado Desert Comment
  UC19642  Datisca glomerata Geo. F. Reinhardt June, 1897 Riverside San Jacinto Valley Comment
  UCR244445  Datura discolor Jim Andre 2012-4-16 20899 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
  SD229294  Datura wrightii Dick Schwenkmeyer 2013-6-11 909 Riverside Approx. 1.5 miles north od highway 74 and Royal Carrizo Road intersection. 854 Comment
  UC884555  Datura wrightii I. W. Clokey 1935-4-17 6876 Riverside Shavers Wells Comment
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Dec 13 2011
  RSA487426  Daucus pusillus Steve Myers 1988-5-17 s.n. Riverside Santa Rosa Plateau area W of Murrieta, Via Majorca .25 mi. N of the intersection with Avenida Arboles. Comment
  UCR174081  Daucus pusillus A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32542 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 564 Comment
  UC68894  Deinandra kelloggii H. M. Hall 1905-5-1 6239 Riverside vicinity of Riverside 365 Comment
  SD146017  Deinandra paniculata A. C. Sanders, T. B. Salvato 2000-5-25 23423 Riverside Menifee Valley; south of Newport Road, north of Holland Road and east of Bradley Road, 2.0 miles due east of Railroad Canyon Lake. 438 Comment
  RSA0019613  Delphinium parishii subsp. parishii R. S. Woglum 1937-5-22 582 Riverside Santa Rosa Mountains, near Santa Rosa Indian Reservation. Comment
  SD187467  Delphinium parryi Scott D. White, Angelia Carey 2004-5-7 10324 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills 548 Comment
  UCR167869  Delphinium parryi T. B. Salvato, John F. Green 2004-5-27 644 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
  CAS-BOT-BC121429  Delphinium parryi subsp. parryi H. M. Hall 1901-6-1 2013 Riverside Canyon of San Jacinto River 762 Comment
  CAS-BOT-BC121437  Delphinium parryi subsp. parryi Marion L. Campbell 1921-3-26 57 Riverside Banning Comment
  RSA581749  Dendromecon rigida M. Wall 1995-4-13 98 Riverside San Jacinto Mountains, along Hwy 243, 6.95 miles south of Interstate 10 out of Banning, road pull out by dirt road, 1993 burn area. Comment
  SD217340  Dendromecon rigida Tim Ross, Laurel Arnseth 1990-3-30 3955 Riverside Vail Lake area, granitic ridge at South end of Black Hills south of 'Big' Oak Mountain. 730 Comment
  UCR132703  Dendromecon rigida subsp. rigida A. C. Sanders, T. B. Salvato 2004-2-16 27394 Riverside Santa Ana Mtns., foothills at edge of Temescal Valley, summit of ridge proposed for removal at development called 'Trilogy at Glen Ivy,' south of Brown Canyon 451 Comment
  UCR201645  Descurainia pinnata Scott D. White, Justin M. Wood 2008-6-5 12060 Riverside San Jacinto Mountains, Quinn Flat Meadow 1396 Comment
  CAS-BOT-BC43356  Descurainia pinnata subsp. glabra J. H. Thomas 1949-2-28 58 Riverside Southern part of Palm Springs. Comment
  JOTR37745  Descurainia pinnata subsp. glabra Hodges, Stephen R., Aliya Ingersoll 2016-2-24 659 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Upper Long Canyon Comment
  CLARK-A1528-353  Descurainia pinnata subsp. halictorum A. R. Gillogly 1966-3-10 Riverside Palm Springs 243 Comment
  POM13863  Dicentra chrysantha P. A. Munz 1922-4-29 5083 Riverside West of Lake Elsinore; base of elsinore mountains. 488 Comment
  UCR174113  Dicentra chrysantha A. C. Sanders, T. B. Salvato 2006-6-2 33084 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. 579 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
  RSA770850  Dichelostemma capitatum Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4938 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  POM17820  Dichelostemma capitatum subsp. capitatum Philip A. Munz, D. D. Keck 1923-6-14 7079 Riverside Trail Glen Ivy to Santiago Peak. 1616 Comment
  CSUSB20  Dichelostemma pulchellum R. Pirot 1975-5-23 Riverside Juniper Flats Road and Highway 74, Homeland. 542 Comment
  CAS-BOT-BC292179  Dicoria canescens John C. Angsbury 1929-2-1 s.n. Riverside Indio Comment
  UC68944  Dieteria asteroides var. asteroides H. M. Hall 1905-4-1 5920 Riverside Paloverde Valley Colorado Desert, Paloverde Valley 91 Comment
  UC1494274  Dieteria canescens var. ziegleri J. C. Roos 1946-8-27 2920 Riverside Santa Rosa Mountain 2407 Comment
  SEINET229299 Image available Diplacus bigelovii var. bigelovii Leila M. Shultz, John S. Shultz 1985-1 8346 Riverside Chuckawalla Mountains, alluvial fans at Alligator rock 335 Comment
  RSA0016054  Diplacus bigelovii var. bigelovii Donald A. Johansen, J. A. Ewan 1932-4-11 7093 Riverside Martinez Canyon, Santa Rosa Mountains. 305 Comment
  CAS-BOT-BC152912  Diplacus brevipes John Thomas Howell 1930-5-10 4794 Riverside At top of St. John's Grade Comment
  CAS-BOT-BC152916  Diplacus brevipes Peter H. Raven; R. Snow 1957-7-26 11087 Riverside Banning-Idyllwild road 0.9 mi. n. of Vista Grande Ranger station, San Jacinto Mts. Comment
  UCD64340  Distichlis stricta A. A. Beetle 1942-4-22 3177 Riverside Beside Salton Sea. Comment
  UCR42409  Ditaxis californica J. M. Stewart 1986-1-20 86- 3 Riverside Sonoran (Colorado) Desert, Divide between the Mecca Hills and the Orocopia Mtns. Comment
  LA204866  Ditaxis lanceolata Theodore Labouchere; April 1915 204 Riverside borders of the Colorado desert along the E base of San Jacinto Mountain, not far from Palm Springs Comment
  RSA644217  Ditaxis lanceolata V. W. Steinmann, P. I. Moscosa, T. S. Ross 1998-4-14 1366 Riverside Orocopia Mountains, 1.5 km southwest of the Hayfield exit of I-10. Along a small wash on north-facing slope. 182 Comment
  RSA690981  Ditaxis lanceolata Scott D. White, Michael Honer 2003-5-14 9306 -B Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  JOTR33806  Ditaxis neomexicana La Doux, Tasha, B. Truesdell 2007-11-9 3304 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park, open bajada below mouth of Lost Palms Canyon (STOP2) 601 Comment
  UCR163735  Ditaxis neomexicana B. G. Pitzer 2000-11-4 4239 Riverside Sonoran (Colorado) Desert, north side of the Chuckwalla Mtns., Eagle Mountain Rd. 0.8 mi. south of Hwy I-10 at and around powerline road, c. 3.5 mi. WSW of Desert Center 402 Comment
  UCD142316  Ditaxis serrata L. S. Rose 1935-12-23 s.n. Riverside San Jacinto Mts. Colorado Desert. Above Deep Canyon. 914 Comment
  SD255125  Dithyrea californica Duncan S. Bell 2010-2-21 554 Riverside Arica Mountains; within the Palen/McCoy Wilderness area; collecting in large drainage on western section of range. Scattered on sand ramp with Larrea tridentata. 452 Comment
  UC963835  Dithyrea californica Helen K. Sharsmith 1952-4-8 4049 Riverside w lobe Pinto Basin; Mojave Desert, Joshua Tree National Monument 609 Comment
  UCR214549  Dithyrea californica A. C. Sanders 2010-3-15 37417 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
  UCR60786  Dithyrea californica Steve Boyd, Orlando Mistretta 1986-3-13 1411 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) 244 Comment
  CLARK-A1045-179  Downingia cuspidata George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains vernal pool; Wildomar 7.5'Q Comment
  CLARK-A1528-2314  Draba cuneifolia John C. Roos 1958-2-22 Riverside Chuckwalla Mountains Comment
  RSA0102549  Draba cuneifolia Duncan S. Bell 2010-10-23 1989 Riverside Arica Mountains; within the Palen/McCoy Wilderness area; collecting in the central section of the range to the west of Priest Mine. 420 Comment
  POM262939  Draba saxosa J. C. Roos 1937-8-18 495 Riverside Forest near Hidden Lake, San Jacinto Mts. Comment
  RSA0006633  Draba saxosa Anstruther Davidson 1876-7-11 s.n. Riverside Top of Mount Jacinto Comment
  IRVC142  Dryopteris arguta R. H. Whittaker, W. A. Niering 1963-5-28 SJ 32 Riverside Mountain Center to Hemet. San Jacinto Mountains 915 Comment
  UCR208910  Dudleya lanceolata P. A. Munz 1923-6-18 7131 Riverside Peninsular Range, Temecula Canyon Comment
  SD60446  Dudleya pulverulenta Reid Moran 1964-7-27 11864 Riverside Canyon of Santa Margarita River, 2.5 miles southsouthwest of Temecula. 199 Comment
  RSA303443  Dudleya saxosa subsp. aloides J. R. Shevock 1971-5-8 1036 Riverside White Tank, Joshua Tree National Monument. 1021 Comment
  POM13288  Dyssodia porophylloides E. C. Jaeger 1921-04 1059 Riverside Cottonwood Mts. Comment
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Nov 6 2011
  JOTR34062  Echinocereus engelmannii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2960 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; loamy-gravel, steep, southeast facing slopes above Lost Horse Mine Trail Comment
  RSA500568  Echinocereus engelmannii var. engelmannii Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3581 Riverside Vail lake area, sedimentary hills at NW end of lake at E end of Oak Mtn, N of Wilson Creek. 488 Comment
  UCR241259  Echinocereus engelmannii var. engelmannii Jeffrey Ross 1998-4-21 s.n. Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, below mouth of Lion Canyon along the road toward the canyon from Deep Creek Rd. 569 Comment
  UCR266824  Echinodorus berteroi D. E. Bramlet 2005-7-13 3892 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, San Jacinto Wildlife Area, east of old San Jacinto River channel, margin of flooded ponds 433 Comment
  UCR47353  Echinodorus berteroi S. B. Parish 1891-11-3 2246 Riverside Peninsular Range, Elsinore Lake 381 Comment
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Aug 8 2010
  UCR85572  Echinodorus berteroi Julie A. Greene 1993-6-11 1364 Riverside San Jacinto Valley, San Jacinto Wildlife Area [NW of Lakeview] 441 Comment
  CLARK-A1528-1805  Eclipta alba John C. Roos 1951-9-22 5233 Riverside Riverside Comment
  SEINET270227 Image available Ehrharta erecta A. C. Sanders, O. F. Clarke 1996-2-17 17952 Riverside Residence of O.F. Clarke 1012 Spruce Street 305 Comment
  UCD169372  Ehrharta longiflora Tom Chester 2005-4-15 580 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Margarita Ecological Reserve: Temecula Gorge, south side. 239 Comment
  SD204871  Elatine californica R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-6-5 55207 Riverside Peninsular Ranges; Santa Ana Mountains region: Southwest of Murrieta. Santa Rosa Plateau, Mesa de la Punta near southern edge of plateau, approached from De Luz road. 579 Comment
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Mar 31 2015
  UC219278  Elatine californica P. A. Munz and I. M. Johnston 1922-5-21 5520 Riverside Hemet Valley San Jacinto Mts 1386 Comment
  CLARK-A1656-829  Eleocharis geniculata Jon Mark Stewart 1982-11-13 82-014 Riverside Indio Hills 198 Comment
  UC1100718  Eleocharis macrostachya Malcolm A. Nobs, S. Galen Smith 1948-9-3 502 Riverside Thermal Imperial Valley Comment
  UC1930097  Eleocharis macrostachya Scott D. White, Justin Wood 2008-6-5 12087 Riverside San Jacinto Mountains: Garner Valley: Hwy 74 @ Thomas Mountain Rd. - SW corner of junction. Comment
  CAS-BOT-BC227736  Elymus elymoides Robert F. Thorne; J. P. Simon; C. W. Tilforth 1969-6-24 38108 Riverside San Bernardino National Forest, San Jacinto Mts.: Above James Reserve in Hall Canyon 1676 Comment
  POM12148  Elymus elymoides Mary F. Spencer 1921-6-15 1692 Riverside Idyllwild, San Jacinto Mt. 1616 Comment
  RSA561887  Elymus glaucus subsp. glaucus Steve Boyd, Timothy S. Ross 1992-6-10 7641 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about 'Potrero Escondido',, an isolated area of low relief topping the ridge system due west of the junction on Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek 671 Comment
  UCR24023  Elymus glaucus subsp. jepsonii John C. Roos 1942-6-20 993 Riverside Peninsular Range; San Jacinto Mtns, Dark Canyon Camp, North Fork San Jacinto River 1829 Comment
  POM359954  Elymus multisetus H. M. Hall 1901-06 2037 Riverside San Jacinto Mountains 1372 Comment
  UC37038  Elymus trachycaulus H. M. Hall 1901-7-1 2541 Riverside Fuller's Mill Mts. San Jacinto Mountains 1798 Comment
  CAS-BOT-BC204251  Elymus trachycaulus subsp. subsecundus H. M. Hall 1901-7-1 2555 Riverside San Jacinto Mountains. Fuller's, Mills Mountains 2133 Comment
  UCR2365  Elymus triticoides H. J. Webber 1918-6-9 37 Riverside Santa Ana River Valley, shady roadside north of Riverside [probably on North Main St. near Spring Brook] 250 Comment
  UCR138759  Emmenanthe penduliflora var. penduliflora Scott D. White 1997-5-18 5170 Riverside San Jacinto Mtns., Northern Escarpment south of Banning: along Hwy 243, c. 5 road mi SE of Banning and 5 road mi NW of Vista Grande 1159 Comment
  JOTR16581  Encelia actoni Baker, James K. & Baker, Ilisa T. 1966-6-17 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS Comment
  UCR116782  Encelia actoni A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24166 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
  UCSB38732  Encelia actoni Cowan, Clark 1978-4-23 Riverside 12.1 mi. (19.2 km.) S on Hwy. 74 from jct. with Hwy 111 at Indian Wells 950 Comment
  CLARK-A1528-203  Encelia californica B. Day 1952-2-6 Riverside Comment
  CAS-BOT-BC131335  Encelia farinosa Fremont Ballou 1926-2-25 s.n. Riverside Andreas Canyon Comment
  UC1929638  Encelia farinosa V. Soza, J. M. Porter, G. D. Wallace 2001-4-2 1087 Riverside Transverse Ranges, Little San Bernardino Mountains region; Big Morongo Wash. 473 Comment
  UC895515  Encelia farinosa I. W. Clokey and B. C. Templeton 1930-4-9 4687 Riverside n of Palm Springs; Colorado Desert Comment
  UCR83194  Encelia farinosa A. C. Sanders 1994-5-15 14483 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the E bank of the Santa Ana River 400 Comment
  UC895523  Encelia frutescens Lewis S. Rose 1938-12-24 38344 Riverside Palm Springs 137 Comment
  SEINET7845949 Image available Encelia frutescens H. M. Hall 5859 Riverside Colorado Desert, near Canon Springs Comment
  JOTR32657  Ephedra californica La Doux, Tasha, M. Bell, A. Holt, A. Miller, K. Matthews 2007-5-23 1338 Riverside Joshua Tree National Park. where Queen Valley meets Pleasant Valley, just north of Malapai Hill; open bajada with pediments, near Geology Tour Road 1219 Comment
  RSA304959  Ephedra californica S. Carlquist 1982-4-18 15673 Riverside Sandy flats 16.4 miles north of entrance (from Highway 10) to Joshua Tree National Monument. Comment
  RSA317187  Ephedra californica S. Carlquist 1984-5-22 15806 Riverside Between Palm Springs and Cabazon on Interstate Highway 10 from San Bernardino to Yuma. Comment
  RSA383878  Ephedra californica Martha Hilend 1928-3-11 108 Riverside Morongo Valley n. of Colorado Desert, California. Comment
  RSA782339  Ephedra californica J. Andre, G. L. Clifton 2011-2-22 17472 Riverside Coachella Valley; just south of I-10 at Amtrak train station parking, just west of N Indian Canyon Drive 186 Comment
  SEINET7048065  Ephedra californica Steven R. Hill 2001-4-29 33542 Riverside Whitewater Canyon, east side of canyon, east of Whitewater Canyon Road, about 2 miles north of Route I-10. Elevation about 1800 feet. Comment
  SEINET3220794 Image available Ephedra fasciculata Norman C. Cooper 1949-4-8 3285 Riverside Shaver's Summit east of Indio. Comment
  UCSB38735  Ephedra nevadensis Cowan, Clark 1978-4-23 Riverside 12.1 mi (19.2 km) S on Hwy 74 from jct. with Hwy 111 at Indian Wells 950 Comment
  SEINET3867763  Ephedra trifurca Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-22 6477 Riverside Rice Valley, 30 miles south-southwest of Rice.; 0 244 Comment
  UCD84926  Ephedra trifurca Chuck Hughes 2010-3-21 198 b Riverside About 2.3 miles south of Highway 62, next to railroad tracks. 225 Comment
  SEINET12535812  Epilobium brachycarpum H. M. Hall s.n. Riverside South side 1615 Comment
  UCR13722  Epilobium canum N. R. Zabriskie, W. W. Zabriskie 1972-10-22 547 Riverside Santa Rosa Mtns., Cactus Spring Trail, between Dolomite mine and Horsethief Canyon 1098 Comment
  UCR40150  Epilobium canum Steve Boyd 1985-8-7 1109 Riverside Santa Ana Mtns., Santa Rosa Plateau, Santa Rosa Plateau, NW base of Redonda Mesa on Tenaja Road, 0.8 mi east of the junction w/ 8S01 & 8S02 671 Comment
  CAS-BOT-BC171743  Epilobium canum subsp. latifolium F. W. Peirson 1922-12-27 3336 Riverside Andreas Canyon between forks and at North Fork, where trail branch comes down, Colorado Desert Comment
  RSA162769  Epilobium canum subsp. latifolium John Olmsted 1958-9-21 207 Riverside Dark Canyon just above its intersection with Banning Idyllwild road. Comment
  UCR241648  Epilobium ciliatum T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 354 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  RSA674527  Epilobium ciliatum subsp. ciliatum Scott D. White 2000-11-15 8150 Riverside Idyllwild area, Strawberry Fuelbreak between Inspiration Pt. and Strawberry Ck. 1402 Comment
  RSA741188  Epilobium densiflorum Scott D. White, Justin M. Wood 2008-6-16 12122 Riverside San Jacinto Mountains: Fobes Canyon, +/- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  CLARK-A1528-7851  Epipactis gigantea John C. Roos 1948-5-15 3838 Riverside Eagle Mountains Comment
  RSA382720  Epipactis gigantea George Henry Grinnell 1924-5-24 s.n. Riverside Riverside. Comment
  RSA568557  Epipactis gigantea George Henry Grinnell 1923-5-28 s.n. Riverside Riverside. Comment
  RSA6132  Epipactis gigantea B. D. Stark 1933-5-13 4985 Riverside Andreas canyon. 701 Comment
  RSA525703  Equisetum laevigatum Steve Boyd, Timothy S. Ross 1990-5-11 4641 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
  RSA627505  Equisetum laevigatum Scott D. White 1998-7-31 6945 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Drive and Hymber Park. 1707 Comment
  RSA180338  Equisetum telmateia var. braunii E. W. Lathrop 1959-4-2 4445 Riverside 18 miles W of Murrieta, Cottonwood Canyon of the Tenaja Range Comment
  RSA450449  Eragrostis cilianensis J. C. Roos 1965-7-7 s.n. Riverside San Jacinto. Comment
  CAS-BOT-BC284071  Eragrostis pectinacea var. pectinacea Lewis S. Rose 1957-1-3 57008 Riverside La Quinta 15 Comment
  RSA27218  Eremalche exilis C. L. Hitchcock 1940-4-4 5960 Riverside Pinto Basin. Comment
  RSA432675  Eremalche exilis M. B. Dunkle 1937-3-25 4936 Riverside Colorado Desert 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
  RSA726572  Eremalche rotundifolia Naomi S. Fraga, Lisa Rojas 2005-2-10 1408 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 502 Comment
  UC1007180  Eremalche rotundifolia Philip A. Munz 1940-3-23 15668 Riverside Dale to Cottonwood Springs; s. base Pinto Mts. 609 Comment
  UC218033  Eremalche rotundifolia P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4874 Riverside vicinity of Corn Springs Corn Springs; Colorado Desert, Chuckwalla Mts. 457 Comment
  UC871321  Eremalche rotundifolia C. L. Hitchcock 1940-4-4 5955 Riverside Pinto Basin Comment
  SBBG18982  Eremocarya lepida M. A. Piehl 1963-6-2 63545 Riverside Hwy 74, ca. 1.2 mi W of Mountain Center 1341 Comment
  SBBG6284  Eremocarya micrantha T. L. Secrest 1948-4-7 Riverside 2 mi S of Desert Hot Springs 213 Comment
  RSA0103567  Eremogone macradenia Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8590 Riverside Santa Rosa Mountains; collecting on forested slope between forest service road and the summit of Santa Rosa Mountain. 2324 Comment
  UC1329915  Eremothera boothii subsp. condensata James E. Cole 1941-4-13 582 Riverside 0.5 mi n Meek's Cabin; Josua Tree National Monument, Pinto Pass 609 Comment
  JEPS31677  Eremothera boothii subsp. desertorum Samuel B. Parish Mar 1882 Riverside Whitewater Colorado Desert Comment
  RSA0117826  Eremothera refracta Sarah J. J. De Groot, Rachel Poutasse, Brittany Tardiff 2016-4-6 7772 Riverside Mecca Hills: side canyon along Painted Canyon road; northeast of Mecca, northwest of Box Canyon. 164 Comment
  RSA799242  Eremothera refracta Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 750 Riverside North side of the Mecca hills, side canyon between the head of Box Canyon and Shavers Well, roughly 7.4 miles from Interstate 10 on Box Canyon Road. 305 Comment
  UCD170707  Eremothera refracta LeRoy Gross 2005-2-17 1409 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of campground. 548 Comment
  RSA0108910  Eriastrum densifolium subsp. austromontanum P. A. Munz 1922-7-1 5927 Riverside Santa Rosa Mtns: Old Nicholas Canyon. 1524 Comment
  UC1051493  Eriastrum diffusum subsp. coachellae Herbert L. Mason 1952-4-7 14214 Riverside Palm Springs Palm Canyon. Comment
  RSA0119711  Eriastrum diffusum subsp. coachellae Lyman Benson 1933-3-31 4172 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  CAS-BOT-BC514461  Eriastrum eremicum subsp. eremicum Edith A. Purer 1935-4-21 6459 Riverside Near Palm Springs Comment
  CAS-BOT-BC514519  Eriastrum pluriflorum subsp. albifaux Fay A. Mac Fadden 1935-6-1 14161 Riverside Near Red Canyon 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
  RSA0122016  Eriastrum sapphirinum subsp. dasyanthum Steve Boyd, Dave Bramlet 1990-4-29 4487 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  RSA0121564  Eriastrum sapphirinum subsp. dasyanthum Christopher Davidson 1975-6-16 2807 Riverside Ca. 4 miles S of Banning on road R1 to Idyllwild. Level saddle between two peaks. 1128 Comment
  RSA0122043  Eriastrum sapphirinum subsp. dasyanthum Charlotte M. Wilder 1904-6-4 s.n. Riverside Wilder's Canyon. Comment
  RSA0122976  Eriastrum sapphirinum subsp. sapphirinum W. Wisura 1986-9-18 4143 Riverside Along PCT N of Hwy 74 at Garner Valley. Comment
  LA203664  Ericameria cuneata var. spathulata Carl Epling; 1937-11-26 sn Riverside White Tank, 29 Palms Comment
  LA202469  Ericameria linearifolia J. Warren; sn Riverside Palm Springs 457 Comment
  OBI51901  Ericameria linearifolia David Charlton 1988-5-21 1911 Riverside Thomas Mountain Rd, from N to S. W of Garner Valley and s of Lake Hemet on hwy 74. 1676 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
  GMDRC2526  Ericameria nauseosa var. mohavensis J. Andre, T. La Doux 2007-9-6 8703 Riverside Little San Bernardino Mountains: Little San Bernardino Mountains: on dirt road to Lost Horse Ranger Sta, below Hemmingway Buttress, Joshua Tree Natl. Park.. Elev. 4058 ft. 1237 Comment
  CDA4604  Ericameria palmeri var. pachylepis T. C. Fuller 1961-10-18 7159 Riverside Santa Ana River Canyon, Green River Station, 0.5 mile west of Prado Dam Road, on Highway 91. 0 Comment
  CAS-BOT-BC299534  Ericameria paniculata M. McCollum 1976-6-10 2010 Riverside 8 mi. SSW of Yucca Valley, Little Morongo Canyon 914 Comment
  UCD131579  Ericameria pinifolia A. C. Sanders; T. Tennant 1997-11-14 21603 Riverside San Bernardino Mountains: Morongo Indian Reservation, Hathaway Canyon. 854 Comment
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Dec 14 2016
  RSA522306  Erigeron bonariensis Steve Boyd 1989-7-9 3776 Riverside City of Riverside, 4863 Rubidoux Ave. Comment
  JOTR36386  Erigeron canadensis La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3339 Riverside Joshua Tree National Park. Queen Valley along Park Blvd, approx 400 m W of GeoTour Rd 1341 Comment
  POM12972  Erigeron divergens P. A. Munz, I. M. Johnston 1922-5-20 5469 Riverside Kenworthy, San Jacinto Mountains 1402 Comment
  RSA747863  Erigeron divergens Justin M. Wood 2009-5-11 684 Riverside Morris Ranch Rd., roadside just E of Tripp Meadow. 1616 Comment
  RSA192006  Erigeron foliosus E. W. Lathrop 1966-5-15 6302 Riverside 3 miles SE of Murrieta on the De Luz Road. Comment
  RSA507474  Erigeron foliosus Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mountains, along Hwy 243, 1-2 mi. below Mt. Edna turnoff. Comment
  RSA736548  Erigeron foliosus Scott D. White, Angelia Carey 2004-7-2 10585 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UCR179208  Erigeron foliosus Mitch Provance, Tracy Tennant 1998-6-16 MOR- 382 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon just south of Millard Guard Station 1037 Comment
  UCR9215  Erigeron foliosus var. foliosus D. H. Wilken 1965-6-29 301 Riverside San Jacinto Mtns, Along County Route 1 [Hwy 243], c. 3 mi south of Banning 915 Comment
  LA205565  Eriodictyon crassifolium Elizabeth McClintock; 1940-4-23 sn Riverside San Jacinto Mountains, Idyllwild Grade Comment
  RSA77238  Eriodictyon crassifolium F. W. Peirson 1921-3-22 990 Riverside Murray Canyon, Near Palm Springs. 366 Comment
  UC1124322  Eriodictyon crassifolium A. Lewis Mar 1934 324 Riverside Bedford Canyon; Corona Quadrangle, Bedford Canyon Comment
  SEINET10445992 Image available Eriodictyon trichocalyx Marc A. Baker, Danny Cuellar, Emily Mastrelli, Cecile Shohet and Stephan Myers 2015-4-10 18309 Riverside south side of the San Gorgonio River, 2km north of Banning, south base of the San Bernardino Mountains, 52km east of Riverside 788 Comment
  IRVC28536  Eriogonum apiculatum G. R. Ballmer 1991-7-11 s.n. Riverside Santa Rosa Mtn Road (Truck Trail going up Santa Roas Mtn.), 12 mi SE of the junction with Hwy 74. W of Deep Canyon. Santa Rosa Mtns. Comment
  RSA144252  Eriogonum apiculatum William M. Klein 1960-8-22 1582 Riverside North of Idyllwild along trail to Suicide Rock and Mt. San Jacinto, San Jacinto Mountains. Comment
  SBBG160  Eriogonum apiculatum R. Hoffmann 1929-9-6 Riverside above Tahquitz Valley 2499 Comment
  SEINET6328737  Eriogonum apiculatum Louis Wheeler 1945-10-7 6412 Riverside San Jacinto Mountains: divide between West Fork Snow Creek and North Fork San Jacinto River 2377 Comment
  UCR146205  Eriogonum cithariforme var. agninum Scott D. White, Angelia Carey 2004-9-16 10767 Riverside San Jacinto Mountain foothills, San Jacinto River wash and adjacent alluvial benches; near Indian Creek confluence 534 Comment
  SEINET7064411  Eriogonum cithariforme var. cithariforme A. G. Vestal 1963-5-19 s.n. Riverside Ca. 0.5 mile west of Cahuilla. (NAD83/WGS84). UTM Zone 11, 522925mE, 3711215mN. 1091 Comment
  HSC93372  Eriogonum davidsonii G. R. Ballmer, Kathleen Stockwell 1995-6-24 Riverside San Jacinto Mtns., along trail from Mason Ranch Rd. to Pacific Crest Trail, near Pyramid Peak 1982 Comment
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Jul 6 2014
  RSA639700  Eriogonum davidsonii Scott D. White, Dave Flietner 1998-12-2 7194 Riverside Temescal Canyon - Lake Elsinore area. 365 Comment
  UC534910  Eriogonum davidsonii Susan G. Stokes 1933-7-1 106 Riverside near Idyllwild; San Jacinto Mts. Comment
  CDA22575  Eriogonum deflexum T. C. Fuller 1962-10-2 9699 Riverside Hayfields, north of Highway 60-70 to Indio, ca. 14 miles west of Desert Center. 0 Comment
  UCR30103  Eriogonum deflexum George K. Helmkamp 1983-4-5 483- 12 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  CAS-BOT-BC256120  Eriogonum deflexum var. deflexum W. L. Jepson 1912-10-22 5235 Riverside Near Riverside Mts., along the Colrado River, Needles to Yuma 137 Comment
  RSA65123  Eriogonum deflexum var. deflexum F. W. Peirson 1927-4-12 7164 Riverside Painted canyon, near Mecca. Comment
  UC849369  Eriogonum deflexum var. deflexum Lewis S. Rose 1936-12-26 36824 Riverside 5 mi w, Hayfield Desert Center; Hayfield 609 Comment
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Dec 15 2011
  JEPS57021  Eriogonum elongatum var. elongatum Marjorie D. Clary 1932-9-22 1562 Riverside n Banning; San Gorgonio Mts. 914 Comment
  UCR231185  Eriogonum fasciculatum A. C. Sanders, Kent Beaman 2011-9-27 39918 Riverside Peninsular Range; Santa Ana Mtns., Main Divide Truck Trail, 0.95 km ENE (78 deg. ) of Santiago Peak summit 1402 Comment
  HSC17274  Eriogonum fasciculatum var. foliolosum D. W. Snell 1964-3-26 Riverside 1.5 mi. E of Hwy. 79, 5 mi. S of Hemet Comment
  SDSU12922  Eriogonum fasciculatum var. foliolosum Jutta Buschbom 1991-5-1 46 Riverside SE-slope, N-Border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the fieldstation. Santa Margarita Ecological Reserve, Temecula. Comment
  LA25970  Eriogonum fasciculatum var. polifolium H. Lewis; 1941-8-1 sn Riverside San Jacinto Mountains, Herkey Creek Camp Ground, near Keen Camp Comment
  RSA339070  Eriogonum fasciculatum var. polifolium Robert F. Thorne, C. W. Tilforth 1980-5-28 54214 b Riverside Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  RSA393341  Eriogonum fasciculatum var. polifolium H. de Forest 1933-4-17 s.n. Riverside Chino Canyon, Colorado Desert. Comment
  UCD100051  Eriogonum fasciculatum var. polifolium Mitch Provance; Kerry Knudsen, Petra Wester 2004-5-8 9005 Riverside Santa Rosa Mountains: Along Hwy 74 on the Santa Rosa Mountain Grade, ca. 0.8-0.5 mile NE of Black Hills. 854 Comment
  UCD100065  Eriogonum fasciculatum var. polifolium Collector unknown 1923-3-26 344 Riverside near Tahquitz Wash. Comment
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Feb 17 2013
  UCSB1527  Eriogonum fasciculatum var. polifolium Hawkins, L. 1956-4-13 Riverside Water Canyon Comment
  CAS-BOT-BC253491  Eriogonum gracile James L. Reveal; Caroline G. Reveal 1972-8-6 2843 Riverside Along California Highway 74, 3 miles southwest of Elsinore at the north end of Elsinore Mountains about 0.6 mile southwest of the turnoff to Lakeland Village Comment
  RSA393250  Eriogonum gracile var. gracile Kessler 1921-09 s.n. Riverside Mt. San Jacinto. Comment
  RSA0104490  Eriogonum gracile var. incultum Duncan S. Bell 2015-9-30 8665 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  CAS-BOT-BC257578  Eriogonum inflatum Peter Kamb 1948-4-11 882 Riverside Aqueduct Road 5 mi east of Garnet, Coachella Valley 304 Comment
  SJSU9502  Eriogonum inflatum R. C. McGehee 1970-4-15 197 Riverside Wileys Well c. 6 mi SW of Blythe Comment
  JOTR34393  Eriogonum maculatum Andre, Jim 2012-4-16 20922 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 3.1 miles north of South Entrance, 4.1 miles north of I-10 788 Comment
  RSA761327  Eriogonum molestum Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 685 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UC219185  Eriogonum plumatella E. C. Jaeger 1921-11-5 251 Riverside near Hole-In-The-Wall Spring; Dry Morongo Wash Comment
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Nov 5 2011
  OBI2690  Eriogonum pusillum Dieter H. Wilken 1966-3-26 771 Riverside Whitewater Cyn along E periphery Comment
  CAS-BOT-BC253015  Eriogonum reniforme Annie M. Alexander; Louise Kellogg 1941-5-28 2261 Riverside Metropolitan Aqueduct Road, east of Hayfield Comment
  POM122078  Eriogonum reniforme Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. 61 Comment
  POM6837  Eriogonum thomasii P. A. Munz, L. T. Street, G. Williams 1919-3-27 2358 Riverside Near Salton Sea. Comment
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Nov 19 2011
  RSA424959  Eriogonum thomasii M. B. Dunkle 1933-5-6 3444 Riverside Painted Canyon Comment
  SBBG65486  Eriogonum trichopes M. N. Ackley 1928-3-24 874 Riverside Palm Springs to Indio 60 Comment
  UC535090  Eriogonum trichopes Susan G. Stokes 1933-4-9 51 Riverside s Palm Springs Comment
  SEINET3087565 Image available Eriogonum viridescens A. C. Sanders, B. Phillips, B. Pitzer 1988-5-22 7860 Riverside Mojave Desert, 1.5 mi. NW of Rosamond near the airport, N of Felsite St. & W of 35th St. W. Comment
  CAS-BOT-BC264929  Eriogonum wrightii var. membranaceum H. M. Hall 1901-7-1 2608 Riverside Strawberry Valley 1828 Comment
  RSA420611  Eriogonum wrightii var. membranaceum N. R. Zabriskie, Walter Zabriskie 1972-9-7 534 Riverside Strawberry firebacks, S of S end Marion Ridge Rd., Pine Cove, W drainage San Jacinto Mountains. 1921 Comment
  SBBG1672  Eriogonum wrightii var. membranaceum H. and M. Dearing 1936-12-26 142 Riverside Palms to Pines Hwy 1066 Comment
  LA207107  Eriogonum wrightii var. nodosum Carl Epling; William Robison 1933-6-26 Riverside Little San Bernardino Mountains, Key's View 1523 Comment
  POM13860  Eriophyllum multicaule P. A. Munz 1922-4-29 5080 Riverside Sedco Station, Temescal Canyon Comment
  UCR90749  Eriophyllum multicaule Scott D. White 1995-4-5 2739 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  CAS-BOT-BC296931  Eriophyllum wallacei Scott D. White 1996-4-14 3907 Riverside Perris Basin, E OF HEMET: San Jacinto River Wash near Valle Vista, N of Hwy 74, ca. 1.7 mi W of USFS Cranston Fire Station. Riverwash and alluvial benches 548 Comment
  JOTR34404  Eriophyllum wallacei Andre, Jim 2012-4-16 20940 Riverside Joshua Tree National Park. Along Geotour Road, at north end of one-way loop in Pleasant Valley at foot (south end) of Hexie Mountains, 6.7 mi. south of National Park Loop Rd. 989 Comment
  UC354505  Eriophyllum wallacei Edmund C. Jaeger 1925-5-9 Riverside Van de Venter's Flat Santa Rosa Mts., Van de Venter's Flat Comment
  UC472866  Eriophyllum wallacei Mary Fiske Spencer 1926-3-8 26 Riverside Snow Canyon washes, base of San Jacinto Mts; , Snow Canyon Comment
  UCR86646  Eriophyllum wallacei A. C. Sanders, J. C. Dice, K. C. Rose, D. Woodard 1995-3-29 16269 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
  UCR169319  Erodium botrys T. B. Salvato, John F. Green 2004-5-27 615 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
  UCR180591  Erodium cicutarium Scott D. White, Angelia Carey 2004-4-5 9984 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  RSA587144  Erodium cicutarium D. L. Banks, Steve D. Boyd 1995-6-2 555 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail just N of the Riverside County boundary, W of the peak ''3790'' on the boundary of S32 & S33. 1043 Comment
  SD128268  Erysimum capitatum R. Mitchel Beauchamp, R. C. Pierce 1971-3-27 2066 Riverside Along Coyote Canyon Road, Terwilliger Valley 1170 Comment
  SD185174  Erysimum capitatum T. B. Salvato, John F. Green 2004-5-27 631 Riverside Head of Banning Canyon close to the San bernardino County line, 0.5 mile southeast of Oak Glen Conservation Camp. 1402 Comment
  UC455744  Erysimum capitatum I. J. Condit 1910-6-22 Riverside San Jacinto Mt. 2743 Comment
  RSA0019316  Erythranthe guttata Carl B. Wolf 1932-5-25 3673 Riverside 1 mile below the Fish Hatchery, Snow Creek, north base of San Jacinto Mountains. 396 Comment
  RSA0014881  Erythranthe primuloides Gary D. Wallace 2003-7-8 4033 Riverside Hidden Lake. Comment
  RSA525280  Eschscholzia californica Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4594 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  POM17821  Eschscholzia californica var. peninsularis P. A. Munz 1923-6-14 7078 Riverside Trail Glen Ivy to Santiago Peak. 1616 Comment
  CDA24566  Eschscholzia minutiflora T. C. Fuller 1962-4-4 7998 Riverside Highway 99 [later renumbered Highway 86], 0.4 mile south of Oasis. 0 Comment
  RSA445672  Eschscholzia minutiflora Gale Sphon 1955-5-22 s.n. Riverside Dead Indian Canyon near Palm Springs Comment
  UC1595754  Eschscholzia minutiflora W. Wisura, J. Dolan, and M. Wall 1992-3-24 4630 Riverside 10.0 mi ne Mecca (on Box Canyon Rd.); Lowdesert Comment
  UCD80948  Eschscholzia minutiflora Chuck Hughes 2009-3-24 67 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 268 Comment
  RSA0056409  Eschscholzia minutiflora James R. Shevock 1972-3-5 1368 Riverside Jeep Rd., Anza to Borrego Springs. Comment
  RSA0023216  Eschscholzia papastillii Tim Thibault, Bart O'Brien, P. Morton 2004-5-8 254 Riverside Chuckwalla Mtns region, wash at end of Bradshaw Trail. 393 Comment
  UC68555  Eschscholzia parishii H. M. Hall Apr., 1905 5898 Riverside Chuckawalla Springs Colorado Desert Comment
  UCR89813  Eucalyptus camaldulensis Scott D. White 1994-1-27 1929 Riverside Murrieta 'California Oaks Detention Basin.' Intermittent 'blueline' stream west of Interstate Hwy 15 and south of Clinton Keith Road. Comment
  CSUSB858  Eucalyptus globulus Joyce Davis 1965-2-28 Riverside On hillside about 500 yards west of Magnolia Drive on Circle City Drive in Corona (city). 204 Comment
  SD185050  Eucalyptus rudis Alden Kelly 1986-3-17 Riverside Edgmont area of Moreno Valley from planting along W side of Hwy 215 at Eucalyptus Ave. Row runs ca. 1 mi along 215 456 Comment
  POM13861  Eucrypta chrysanthemifolia P. A. Munz 1922-4-29 5081 Riverside Among rocks west of Lake Elsinore. Base of Elsinore Mountains, 488 Comment
  RSA420929  Eucrypta chrysanthemifolia E. Crow 1929-3-17 197 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  RSA564284  Eucrypta chrysanthemifolia Ed LaRue 1993-5-11 s.n. Riverside Murrieta Oaks, 3 miles (airline) NW of Murrieta Hot Springs, W side oh Hwy 215. 457 Comment
  UCR152518  Eucrypta chrysanthemifolia A. C. Sanders 2005-4-22 29604 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  SEINET7048199  Eucrypta chrysanthemifolia var. chrysanthemifolia Steven R. Hill, Andrew C. Sanders 2001-5-4 33709 Riverside Santa Rosa Plateau, eastern rim, north side of Avenida del Oro, just east of junction with Sandia Creek Drive, 2 miles west of junction of Rancho California Road and Route I-15. Elevation 1570 - 1670 feet. 509 Comment
  POM160074  Eucrypta micrantha E. C. Jaeger 1927-3-23 s.n. Riverside Beal's Wall, Colorado Desert Comment
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Apr 10 2017
  UCD107067  Eulobus californicus Dan Axelrod 1932-3-23 s.n. Riverside Palm Springs. Comment
  UCR16189  Euphorbia albomarginata John M. Spencer 1971-4-16 16 Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument [now Park], 1 mi. north of Cottonwood Spring campground & Ranger Station [via Pinto Basin Rd.] 956 Comment
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Apr 5 2011
  UC187061  Euphorbia eriantha S. B. and W. F. Parish Apr 1882 Riverside mountains back of Agua Caliente Colorado Desert (Andreas Canyon) Comment
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Jul 15 2009
  CLARK-A1528-2643  Euphorbia polycarpa S. C. Warner 1956-5-17 82 Riverside Riverside Comment
  CLARK-A1528-2704  Euphorbia polycarpa John C. Roos 1952-4-9 5496 Riverside Riverside 335 Comment
  UCR213496  Euphorbia polycarpa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-18 38410 Riverside Peninsular Range, southeastern Gavilan Hills near Alberhill, north of Concordia Ranch Rd. and Black Powder Rd. 502 Comment
  RSA70391  Euphorbia polycarpa var. hirtella F. W. Peirson 1928-4-24 7910 a Riverside Below Cottonwood Spring, northern edge of Colorado Desert. Comment
  UCR108345  Eustoma exaltatum L. C. Wheeler 1952-12-15 7025 Riverside Sonoran (Colorado) Desert, Riverside Mountains, shore of Alligator Slough of the Colorado River; [near] Mountaineer Mine, north of Johnson's Camp Comment
  SJSU4939  Fagonia laevis J. A. Schroeder 1969-4-1 8 Riverside 10 mi N of Blythe Comment
  UCR159767  Fagonia laevis Scott D. White 1999-4-20 7274 Riverside Colorado River Valley, Blythe area, Southern foothills of the Big Maria Mtns, NW of Calif. Hwy 95, c. 7 road mi N of the junction of Hwy 10 and Intake Blvd in Blythe 137 Comment
  UCSB19496  Fagonia laevis Winn, Will 1963-4-8 Riverside State Highways 60-70; 39.4 miles W of Desert Center Comment
  VVC1721  Fagonia laevis Jim Andre, T. La 2009-3-10 s.n. Riverside Colorado Desert, Joshua Tree Natl. Park; south end of the Cottonwood Mtns near Pinkham Wash just N of aquaduct just inside JTNP boundary, approx 7 mi W of S entrance into park at Cottonwood. 542 Comment
  SBBG59918  Fagonia pachyacantha D. F. Howe 1980-4-16 Riverside Corn Springs Rd, 4 mi S of Interstate 10; Chuckawalla Mtns 335 Comment
  CAS-BOT-BC56785  Ferocactus cylindraceus P. A. Munz; I. M. Johnston 1922-5-7 5295 Riverside Field redacted by CAS, contact the data manager for more information Comment
  UCR214150  Festuca microstachys A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37714 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, 0.45 mi NNE (14 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 418 Comment
  UCR20860  Festuca microstachys var. microstachys A. C. Sanders 1978-6-11 886 Riverside San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  RSA0120622  Festuca octoflora Duncan S. Bell, Thomas Stoughton 2016-3-15 8933 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; in the central part of the range, approximately 0.75 air mile east northeast from the summit of the range. 861 Comment
  UCR266477  Festuca octoflora Mitch Provance, Matt Amalong 2015-3-25 315- 37 Riverside Paloma Valley, Murrieta, old Clydesdale horse ranch 0.4-0.6 miles S of Keller Rd., along unmarked dirt portion of Menifee Rd. 450 Comment
  JOTR31057  Filago californica La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2040 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lower Covington Flats; STOP 1: drainage heading toward Smithwater Canyon, rocky canyon with narrow sandy bottom Comment
  RSA793593  Filago californica R. F. Thorne 1995-3-29 63036 Riverside White Water Canyon 600 Comment
  RSA343868  Filago gallica R. F. Thorne, Walter Wisura, E. W. Lathrop, Sara Meury 1985-5-18 60660 Riverside Santa Rosa Plateau: at edge of Cleveland National forest 610 Comment
  UCR134653  Filago gallica Mitch Provance 1998-4-9 404 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', or variously referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 259 Comment
  SFV2333  Fouquieria splendens P. G. Kilburn 1958-5-16 801 Riverside San Jacinto Mountains 5 miles south of Palm Desert on Palms-Pines Highway (Highway 74) on Seven Level Hill. 100 feet below road just above goose-neck turn. 610 Comment
  UCD112796  Frangula californica subsp. tomentella A. C. Sanders 2004-6-20 28215 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Freeway, south of Clay Canyon Road. 305 Comment
  JEPS30103  Frankenia salina W. L. Jepson May 17 1901-Jun 1 1901 1239 Riverside San Jacinto Lake bed Comment
  UC219316  Fremontodendron californicum subsp. californicum P. A. Munz 1922-6-24 5805 Riverside San Jacinto Mountains, Hemet Valley, Pipe Creek Pipe Creek; San Jacinto Mountains, Hemet Valley, Pipe Creek 1584 Comment
  UCR118811  Fumaria officinalis O. F. Clarke 2000-3-14 s.n. Riverside Peninsular Range, Riverside, in yard of O.F. Clarke residence at 266 Frost Court 360 Comment
  HSC83000  Funastrum cynanchoides N. M. Fellows, A. C. Sanders 1985-4-9 126 Riverside Oasis de los Osos TNC Preserve, off Snow Creek Canyon at the N foot of San Jacinto Mtns., 1 mi. W of Snow Creek Village 489 Comment
  UCR173869  Galium Scott D. White, Pam DeVries 2000-4-25 7730 Riverside Peninsular Ranges/ Perris-Aguanga Basin, Temescal Valley, Corona area: E foothills of the Santa Ana Mtns, just above citrus groves 518 Comment
  RSA660910  Galium angustifolium Mitch Provance 1998-5-24 531 Riverside Belltown area, ''Belltown Hill'', small knoll near the E corner of Agua Mansa Rd. and Crestmore Rd./ Market St. 280 Comment
  UCD121580  Galium angustifolium A. C. Sanders 2004-4-20 27526 Riverside Santa Ana Mtns.: Santa Rosa Plateau, 0.5 km west of Tenaja Road and north of the San Diego county line. 640 Comment
  POM367712  Galium angustifolium subsp. angustifolium Christopher Davidson 1973-4-1 1808 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  SDSU14282  Galium angustifolium subsp. angustifolium Ryan Jacobson, Jeremy Mass 2000-4-19 7 Riverside Santa Margarita Ecological Reserve. Near banks west bank of Stone Creek, about 1 mile north east of south-side facility. 177 Comment
  SD70490  Galium angustifolium subsp. jacinticum Lauramay T. Dempster, G. L. Stebbins 1966-6-18 4244 Riverside In sandy granitic soil, on southeast-facing slope, clearings and open forest. Black Mountain Road, 0.9 mile above junction of road to Pine Wood, San Jacinto Mountains 1980 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
  RSA751913  Galium porrigens var. porrigens Scott D. White, Justin M. Wood 2009-5-22 12916 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Strawberry Creek and road to sewage ponds. Comment
  JOTR35080  Galium stellatum La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3531 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocks; narrow drainages surrounded by loose rocky slopes Comment
  POM254893  Galium stellatum Philip A. Munz 1940-3-24 15701 Riverside 2 miles north of Cottonwood Spring, Eagle Mountains. 915 Comment
  POM68617  Galium stellatum Marcus E. Jones 1906-4-26 s.n. Riverside Indio Comment
  JEPS29087  Garrya flavescens Carl V. Meyer Jun 1927 183 Riverside along Idyllwild to Tahquitz Peak trail (n slope of Tahquitz Ridge); Tahquitz Ridge 1828 Comment
  OBI14155  Garrya fremontii Carl B. Wolf 1939-1-20 9485 Riverside Santa Ana Mts E side, along Eagle Motor Way, 1 mi below summit 914 Comment
  SD137745  Garrya veatchii Darin L. Banks, Steve Boyd 1995-1-18 42 Riverside Cleveland National Forest, north sloape of Agua Tibia Mountain, west of Wild Horse Peak, along the Dripping Springs Trail. 963 Comment
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Mar 2 2013
  RSA577758  Gastridium phleoides F. M. Reed 1926-5-15 5340 Riverside Menifee Valley Comment
  UCR25458  Gastridium ventricosum John C. Roos 1939-5-27 s.n. Riverside Reche Canyon Comment
  UCR115944  Gazania linearis Mitch Provance 1998-6-11 672 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville; housing development now known as Southridge 320 Comment
  POM30733  Geraea canescens W. G. Wright s.n. Riverside Agua Caliente (Palm Spring), Colorado Desert. Comment
  POM308426  Geraea canescens Henry J. Ramsey, Henry J. Ramsey 1938-4-22 3073 Riverside Indio. Comment
  POM47485  Geraea canescens Mary F. Spencer 1920-3-11 1482 Riverside In desert sand, Mecca -60 Comment
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Nov 8 2011
  UCD132593  Geraea canescens R. W. Scora 1966-4-1 3003 Riverside 400 meters before Hidden Spring Oasis on road from Thousand Palms. Comment
  UCR248429  Geraea canescens Duncan S. Bell 2011-12-30 3046 Riverside Sonoran (Colorado) Desert, Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; c. 2 air miles southwest of Priests Well, or c. 7 air miles southwest of the ghost town of Rice 365 Comment
  RSA70499  Geranium carolinianum F. W. Peirson 1922-4-10 2859 Riverside Murray Canyon, near Palm Springs. 305 Comment
  SD152832  Geranium carolinianum Steve Boyd 1992-4-15 6875 Riverside San Mateo Canyon Wilderness Area; Bluewater Trail, downstream to the confluencde with San Mateo Creek. 334 Comment
  SEINET7063416  Gilia achilleifolia subsp. multicaulis A. G. Vestal 1947-3-29 s.n. Riverside About 6.2 miles east of Lake Elsinore on Newport Road. UTM Zone 11, 481169mE, 3727240mN. (WGS84/NAD83). 434 Comment
  RSA563887  Gilia angelensis Scott D. White 1993-4-20 1217 Riverside Ridge SE of Estelle Peak, Gavilan Hills. 793 Comment
  RSA86578  Gilia angelensis Anonymous 1954-4-16 9314 Riverside Floodplain of Temecula Creek just south of town of Temecula. 305 Comment
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Feb 14 2013
  SEINET3087920 Image available Gilia angelensis A. C. Sanders, J. Dice, Rose Woodard, D. Woodard 1995-3-29 16283 Riverside San Jacinto Mtns./San Gorgonio Pass: alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village. Comment
  SEINET7073399  Gilia angelensis A. G. Vestal 1963-4-23 s.n. Riverside About 1.6 mile up the Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UCR165396  Gilia angelensis A. C. Sanders 2005-4-21 29577 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  UCR275509  Gilia angelensis D. E. Bramlet 2012-4-9 4996 Riverside San Gorgonio Pass, Banning, open fields south of Westward Ave. and east of Sunset Ave., west of 22nd St. 732 Comment
  UCR92046  Gilia angelensis Scott D. White 1995-3-30 2653 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
  RSA742093  Gilia capitata subsp. abrotanifolia Peter L. Morrell 1993-5-1 226 Riverside San Bernardino Mtns.: c. 300 m W of Whitewater Canyon Rd. along stream bed (upstream), 3.3 miles N of I-10. 627 Comment
  RSA776280  Gilia capitata subsp. abrotanifolia Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 882 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 915 Comment
  CLARK-A1528-3509  Gilia latifolia John C. Roos 1949-3-5 4092 Riverside Orocopia Mountains Comment
  UC908040  Gilia latifolia Victor Duran 1935-4-18 Riverside near Indio (Curtis Palms); Curtis Palms -- near Indio Comment
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Dec 14 2011
  SD185283  Gilia ochroleuca T. B. Salvato, Kent Beaman 2005-5-16 816 Riverside San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Highway 74. 548 Comment
  RSA0016296  Gilia ochroleuca subsp. exilis G. R. Campbell 1951-5-30 16120 Riverside 9 miles west of Anza. 1067 Comment
  RSA0017269  Gilia ochroleuca subsp. exilis Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  POM13578  Gilia scopulorum P. A. Munz, D. D. Keck 1922-4-12 4837 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 610 Comment
  RSA0116979  Gilia scopulorum Duncan S. Bell 2010-3-20 601 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  JOTR33731  Gilia stellata La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2731 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Exposed aplite vein forming a prominent rib line with loose, cobble slope surrounding it (Stop 3) Comment
  RSA0047256  Gilia stellata J. Mark Porter, Leigh A. Johnson 1997-3-10 11460 Riverside Whitewater Canyon, ca. 1 mi. N of Whitewater (along Interstate 10). 474 Comment
  SBBG5903  Gilia stellata H. and M. Dearing 1942-3-10 4823 Riverside Dos Palmas Cyn Comment
  SD119929  Gilia stellata Sears 1978-3-23 1057 Riverside Oro Copia Mt. transect. Comment
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Mar 3 2013
  UCR275446  Gilia stellata Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-3-30 919 A Riverside Sonoran (Colorado) Desert, McCoy Wash, east side of McCoy Mountains, pavement plain, c. 7 miles north of I-10 335 Comment
  SD186045  Glinus lotoides A. C. Sanders, Kerry Knudsen and T. B. Salvato 2004-5-18 27909 Riverside Southeast of old clay mining area. 448 Comment
  UCR145075  Glinus lotoides A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27909 Riverside Peninsular Range, Alberhill Mountain, SE of old clay mining area 448 Comment
  RSA783526  Gnaphalium J. D. Olmsted 1959-8-18 796 Riverside Strawberry Cr. by crossing just south of Idyllwild. 1601 Comment
  RSA798595  Gnaphalium beneolens R. F. Thorne, E. W. Lathrop 1977-5-18 49754 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  UCR92408  Gnaphalium canescens subsp. microcephalum F. M. Reed 1933-8-13 8010 Riverside South Coast; San Bernardino Valley, Riverside, Fairmont Park 245 Comment
  UCR157950  Gnaphalium palustre T. B. Salvato, A. C. Sanders 2005-5-17 920 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  JEPS102920  Gossypium armourianum Dick Persoff 1995-3-15 Riverside Palm Springs, ca. 1.5 mi S of jct of East Palm Canyon and South Palm Canyon Comment
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Sep 10 2008
  JOTR30952  Grayia spinosa La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1927 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  UC1922390  Guillenia lasiophylla Naomi Fraga, Lisa Rojas 2005-2-10 1366 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCR139618  Gutierrezia californica A. C. Sanders 2004-6-30 28384 B Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  UCR89234  Gutierrezia californica Scott D. White 1995-9-22 3687 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
  CLARK-A1045-314  Habenaria sparsiflora George K. Helmkamp 1979-4-27 Riverside Santa Ana Mountains Wildomar 7.5'Q Comment
  UCR18660  Haplopappus squarrosus John C. Roos 1952-8-27 5890 Riverside Reche Canyon, Haas Ranch 457 Comment
  RSA0066619  Harpagonella palmeri D. E. Bramlet 1995-4-25 2394 Riverside Shipley Reserve/SE corner of Lake Skinner Co. Park. Site is within and beside the Equestrian trail, S of the Tucalota Hills & approx. 702 m SE of the park entrance rd. and 610 m N of East Benton Road. The locality is just SW of knoll 1800 ft. 524 Comment
  RSA605757  Helianthus annuus subsp. lenticularis Scott D. White 1996-3-16 3828 Riverside Lakeview Mountains: N of Winchester, at Maze Stone Picnic Area. Coarse alluvium and adjacent granitic hillside, SE- facing slope 579 Comment
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Mar 20 2011
  UCR89767  Helianthus gracilentus Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 89767 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  UCR150021  Heliotropium curassavicum Scott D. White, Angelia Carey 2004-5-7 10345 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  UCR174961  Heliotropium curassavicum Teresa Nieto 2005-5-26 52 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  POM19570  Heliotropium curassavicum var. oculatum Mary F. Spencer 1923-8-10 2226 Riverside Idyllwild 1646 Comment
  UCD132956  Helminthotheca echioides A. C. Sanders 2000-11-15 23725 Riverside Perris-Aguanga Basin region: Moreno Valley, east side of ellsworth St. between Cactus Ave. and Allesandro Blvd., near 14400 Ellsworth. 476 Comment
  RSA0036782  Hemizonia fasciculata Andrew Haimov, April Sleigh 1992-5-7 82 Riverside East side of Davis Road, 1.5 miles north of Ramona Expressway, San Jacinto Wildlife Area. Comment
  UCR111740  Hemizonia fasciculata S. J. Myers 1996-5-30 s.n. Riverside Corona: River Road bridge over the Santa Ana River 159 Comment
  RSA692251  Hemizonia paniculata Scott D. White, Michael Honer 2003-5-27 9402 Riverside Gavilan Hills / Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak '2349.' 396 Comment
  UCR100374  Hemizonia paniculata A. C. Sanders, T. Tennant, A. Montalvo & B. Wagner 1997-11-20 21615 Riverside Lake Skinner Reserve area, Crown Valley, east of Rawson Road 671 Comment
  UCR114193  Hemizonia paniculata A. C. Sanders, D. Malueg, K. D. Jones, et al 2000-9-8 23635 Riverside Perris-Aguanga Basin Region, gasline right of way across Pinto and Hoopes Ranches, east of Briggs Road at and near Warm Springs Creek, south of Scott Rd. 415 Comment
  UCR141250  Hemizonia paniculata A. C. Sanders, Kelly Volansky 2004-10-6 28812 Riverside Santa Ana Mtns./Santa Rosa Plateau, 41050 Avenida La Cresta, south of Sierra Maria Rd. and c. 1.5 mi. north of Tenaja Rd., c. 2 miles NW of the Mesa de Colorado 671 Comment
  UCR167688  Hemizonia paniculata T. B. Salvato, Melissa Clemons 2005-6-23 1289 Riverside Peninsular Range; Temescal Valley, Alberhill, intersection of Lake Street and Walker Canyon Drive, N of Hwy I-15, at base of Walker Canyon 378 Comment
  UCR180057  Hemizonia paniculata Mitch Provance 2005-5-18 9818 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  UCR162884  Hemizonia pungens subsp. laevis Fred M. Roberts 1993-5-16 4883 Riverside Hemet, W side of Old Warren Road, c. 0.75km N Florida Avenue near Devonshire Road, c. 1.2km WSW summit of Tres Cerritos Hills 459 Comment
  UCR189809  Hemizonia pungens subsp. laevis Diane Menuz 2006-5-9 070 Riverside Peninsular Range; Perris Basin, San Jacinto Wildlife Area, across the street from the information booth, north of Lakeview and east of Davis Rd. 434 Comment
  UC1080459  Hesperocallis undulata P. C. Everett and E. K. Balls 1958-4-29 23027 Riverside 5.4 mi ne from Desert Center (along road to Rice And Vidal Junction) 259 Comment
  UCR281264  Hesperolinon micranthum Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-18 417- 44 Riverside Perris-Aguanga Basin, Menifee, S side of Bundy Canyon Rd., E side of Loerch Ln., 0.2 miles W of Murrieta Rd. 518 Comment
  UCR94486  Heterocodon rariflorum Steve Boyd 1995-5-13 8511 Riverside Santa Ana Mtns, W of 'Onion Hill', SE of Elsinore Peak Area along trail following old Main Divide Road grade. 1006 Comment
  UCR177705  Heteromeles arbutifolia var. cerina Michael Wall 1996-1-5 117 Riverside Peninsular Range; San Jacinto Mtns., southeast of Hemet along Bautista Canyon Rd, south of Hwy 74, 6.3 mi SE of Fariview Avenue. 610 Comment
  SEINET11261242  Heterotheca grandiflora N. Duane Atwood 1993-3-28 17717 Riverside Bolsa Chica Ecological Reserve, California Dept. of Fish and Game.; 0 Comment
  RSA339244  Heterotheca horrida subsp. cinerascens R. F. Thorne, Gertrud Dahlgren, R. Dahlgren 1979-8-22 53595 Riverside Joshua Tree National Monument: Hidden Valley. 1280 Comment
  CAS-BOT-BC311219  Heterotheca sessiliflora subsp. echioides Edmund C. Jaeger 1939-8-30 s.n. Riverside Radec. (Radec is at junction of road south from Hemet with Temecula-Aguanga Road.) Comment
  UCR118214  Heterotheca subaxillaris Mitch Provance 1999-9-23 1680 B Riverside Riverside, UCR Campus, planter on the NE side of Boyce Hall 335 Comment
  SD63342  Heuchera hirsutissima Walter Bertsch 1957-6-29 955 Riverside Desert slope of Toro Peak, Santa Rosa Mountains 2660 Comment
  RSA4875  Hibiscus denudatus Carl B. Wolf 1932-4-3 2991 Riverside Colorado Desert, 14 mi E of Mecca on Blythe road. 152 Comment
  UC63099  Hieracium horridum H. M. Hall 1897-8-11 814 Riverside Surprise Lake San Jacinto Mountains, Surprise Lake 2438 Comment
  CAS-BOT-BC318753  Hieracium horridum Edmund C. Jaeger 1924-7-3 s.n. Riverside Strawberry Valley, San Jacinto Mts. 2194 Comment
  SEINET10760613  Hieracium horridum David B. Dunn 1946-8-17 Dunn 2725 Riverside Found 1.4 miles west of Hidden Lake, San Jacinto Mts. Comment
  CAS-BOT-BC541413  Hilaria rigida Sarah J. De Groot; Duncan S. Bell 2015-10-13 7594 Riverside Santa Rosa Mountains, SSW of Palm Desert. Along Carrizo Rd just NW of Hwy 74 1057 Comment
  LA8282  Hilaria rigida Miss C. M. Wilder; May 1910 2915 Riverside near Palm Springs Comment
  SEINET212440 Image available Hilaria rigida N. H. Holmgren, PK Holmgren; R. E. Kern 1973-3-22 6461 Riverside Rice Valley 7 mi S-SW of Rice 274 Comment
  SD49373  Hoffmannseggia microphylla Thomas W. Whitaker 1958-4-30 Riverside Box Canyon, midway between Mecca & Shaver's Well, in gravelly soil 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
  UCSB18869  Hoffmannseggia microphylla Winn, Will 1963-2-23 Riverside Ladder Canyon, 9 miles E of Mecca, Coachella Valley 213 Comment
  RSA797260  Holodiscus microphyllus var. sericeus Robert F. Thorne, Walter Wisura 1977-9-17 50798 Riverside San Jacinto Mountain: summit. 3293 Comment
  CAS-BOT-BC174241  Hordeum depressum A. C. Sanders; T. B. Salvato 2011-3-30 38892 Riverside Peninsular Range; Elsinore Trough: city of Lake Elsinore, Baker St. c. 100 m NW of Hwy 74/Riverside Dr. 381 Comment
  UCR75301  Hordeum depressum A. C. Sanders 1993-4-5 13686 Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74 460 Comment
  UCD169405  Hordeum intercedens A. C. Sanders; T. B. Salvato 2011-4-4 38974 Riverside Peninsular Range, Warm Springs Valley, 0.4 mi. WNW (276 deg. ) of intersection of Collier Ave. and Riverside Dr./Hwy 74, NE of Baker St. 387 Comment
  UCR176899  Hordeum intercedens Tracy Tennant 1998-4-21 245 Riverside San Jacinto Valley, Stetson Ave. at Warren Rd., near Hemet-Ryan Airport 457 Comment
  UCR266330  Hordeum intercedens D. E. Bramlet 1991-4-29 2080 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, 6.5 km west of Hemet & c. 0.4 km west of intersection of Florida Ave./Hwy 74 & Warren Road 457 Comment
  UCR280612  Hordeum intercedens Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-11 417- 17 Riverside Elsinore Trough, South corner of Baker St. and Bromley Ave. 384 Comment
  UCR97285  Hordeum marinum Scott D. White 1993-3-12 1157 Riverside Perris-Aguanga Basin Region, near Winchester; Old Salt Creek Channel, between new flood control channel and Patton Ave 445 Comment
  POM295696  Hordeum murinum subsp. glaucum Lyman Benson 1932-3-26 3167 Riverside 3 miles N [of] Temecula, San Jacinto Mountains; [this location cannot be in San Jacinto Mtns. -SW] 457 Comment
Read comments
Dec 4 2011
  RSA433956  Horsfordia newberryi C. M. Dammers 1936-2-1 s.n. Riverside Canyon behind Coral Reef Ranch, 4 miles west of Coachella Comment
  RSA453769  Hydrocotyle umbellata L. C. Wheeler 1933-12-2 2314 Riverside U.S. 99: 2 miles NW Whitewater Station. 366 Comment
  CAS-BOT-BC154104  Hymenoclea salsola K. Larson 1976-6-9 s.n. Riverside ~25 mi E of Indio Comment
  RSA695592  Hymenoclea salsola Keith E. Hoffmaster 1937-3-16 s.n. Riverside Palm Springs. Comment
  UC124659  Hypericum anagalloides A. W. Anthony 1890-1 Riverside San Jacinto Mts. 2438 Comment
  SD181473  Hypericum formosum Scott D. White, Sandy Leatherman 2000-5-31 7983 Riverside Santa Ana Mountains/Santa Rosa Plateau, near squaw Mountain, series of unpaved roads on east- and north-facing slopes; Wildomar [quad]. Occasional (patchy) in grassland. 640 Comment
  UC872028  Hypericum formosum var. scouleri I. W. Clokey and E. G. Anderson 1935-8-21 6751 Riverside N. Fork San Jacinto R. 1500 Comment
  JOTR16727  Hyptis emoryi Walters, Jim 1967-4-30 s.n. Riverside Joshua Tree National Park. LOWER WILSON CANYON Comment
  LA61592  Hyptis emoryi Martha Hilend; 1929-3-24 sn Riverside Thousand Palms Comment
  SEINET7907884  Hyptis emoryi D. A. Johnson 2005-1 2005- 02 -20-16 Riverside Between Coachella & S entrance to Joshua Tree Nat'l Park, S of Interstate 10 914 Comment
  SEINET12277046  Hyptis emoryi E. A. Purer 1935-1 6464 Riverside E slope of Mt. San Jacinto, near Palm Springs, Colorado desert Comment
  RSA33642  Iris hartwegii subsp. australis Robert L. Rutherford 1945-6-17 1672 Riverside Big Oaks Canyon, Banning. 1220 Comment
Read comments
Oct 19 2010
  CAS-BOT-BC311612  Isocoma acradenia var. eremophila H. S. Gentry 1936-11-1 2961 Riverside W side of Colorado Desert 152 Comment
  CAS-BOT-BC311616  Isocoma acradenia var. eremophila S. B. Parish 1912-10-8 8353 Riverside Indio, Salton Sink -6 Comment
  RSA0009749  Isocoma acradenia var. eremophila Marcus E. Jones 1903-5-8 s.n. Riverside Indio. -7 Comment
  RSA0117148  Isocoma menziesii Mitchell Provance 2012-9-13 912 -05 Riverside Badlands of Western Riverside County: Mt. Davis, +/- 1.5 miles SW of Beaumont, vicinity of the microtower on David Mountain Rd. 845 Comment
  RSA192194  Isocoma menziesii var. vernonioides E. W. Lathrop 1966-4-13 6145 Riverside De Luz Road between Murrieta and De Luz Comment
  SDSU13569  Isocoma menziesii var. vernonioides W. Miller 1972-8-25 Riverside Northwest cornerr along roadside in coastal sage. Comment
  UC63200  Isocoma menziesii var. vernonioides H. M. Hall 1902-4-1 2969 Riverside vicinity of Riverside 304 Comment
  IRVC17941  Isoetes howellii Gordon A. Marsh, Karlin G. Marsh 1980-5-18 s.n. Riverside Santa Rosa Plateau; pool 1. Peninsular Ranges, Santa Ana Mountains Comment
  UC1605509  Isoetes howellii Terry O'Brien May 1995 2131 Riverside ca 5 mi sw of Grand Ave in Murrieta on Clinton Keith Rd Mesa de Colorado; Santa Rosa Plateau Preserve 600 Comment
  CAS-BOT-BC69864  Isoetes orcuttii Robert F. Thorne 1973-5-23 43853 Riverside Santa Rosa Plateau: N. side of Mesa de Colorado. 609 Comment
  UCR193356  Isoetes orcuttii A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35627 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mi. WSW of Fleming Ranch, along nameless tributary of Herkey Creek 1585 Comment
  UC857721  Isomeris arborea I. W. Clokey and B. C. Templeton 1930-4-9 4703 Riverside Palm Springs Station; Colorado Desert 210 Comment
  UC857723  Isomeris arborea Ivan Johnston 1917-4-4 Riverside Palm Canyon; Colorado Desert 457 Comment
  UC917897  Isomeris arborea Frank W. Gould 1944-4-5 2237 Riverside 18 mi e Temecula (near road junction) Comment
  UCR37791  Isomeris arborea A. C. Sanders 1985-3-1 5391 Riverside Box Springs Canyon, near the intersection of Central Ave. & Hwy 60, along Gernert Rd. Just above the Santa Fe Railroad tracks. 427 Comment
  POM13836  Iva axillaris subsp. robustior P. A. Munz 1922-7-3 5946 Riverside Vandeventer Flat. 1372 Comment
  UCR101547  Jepsonia parryi A. C. Sanders 1997-3-19 20024 Riverside Lake Skinner area, hills at east foot of Bachelor Mtn., 0.5 km north of NE arm of lake, small canyon at N foot of 1700 ft. hill 488 Comment
  UC1951163  Juglans californica Scott D. White, Justin Wood 2009-5-22 12927 Riverside SAN JACINTO MOUNTAINS: Halfway Spring, accessed via Old Control Road. USGS Blackburn Canyon 7.5' Quad. Comment
  SD241064  Juglans hindsii R. E. Riefner Jr. 2009-8-15 09 174 Riverside Temecula, Temecula Canyon, Santa Margarita River, ca 1.5 mile W of I-15 Fwy. (Tremecula 7.5'Q) 298 Comment
  RSA689481  Juglans nigra A. C. Sanders, J. Goetzen 1996-5-1 18134 Riverside Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, N of Banning. 854 Comment
  POM171413  Juncus acutus subsp. leopoldii I. M. Johnston 1930-6-15 3791 Riverside Lost Palms Canyon above [Anslintz] Wall, Eagle Mts., Colo. Desert. [information from frag pack] Comment
  RSA0119964  Juncus bufonius Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9075 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.25 air miles southeast of the summit of Martinez Mountain. 621 Comment
  UC146411  Juncus longistylis Charlotte M. Wilder 1909-7-11 909 Riverside trail to Round Valley above Log cabin San Jacinto Mts. Comment
  RSA357162  Juncus luciensis Robert F. Thorne, E. W. Lathrop 1975-5-20 45498 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 610 Comment
  RSA0062498  Juncus macrophyllus J. M. Andre 2012-6-15 30519 Riverside San Jacinto Mountains: Along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest. 1308 Comment
  UCR89810  Juncus macrophyllus Scott D. White 1993-5-27 1413 Riverside North Alberhill Ranch, hills north of Walker Canyon 488 Comment
  RSA594506  Juncus mexicanus Darin L. Banks, Rashmi Pant 1996-5-13 1017 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; In a small spring in oak woodland, approximately 1 km E of the Dripping Springs Guard Station, S of Hwy. 79 536 Comment
  RSA500121  Juncus xiphioides Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3690 Riverside Vail Lake area, benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  UCR201867  Juncus xiphioides Justin M. Wood 2008-9-30 171 Riverside SW Perris Basin, Temecula/Murrieta Creek, downstream of 1st Street bridge 305 Comment
  RSA604871  Juniperus californica Scott D. White 1995-12-24 3797 Riverside Lakeview Mountains. Juniper Flats Rd. ca. 1 1/2 road miles N of jct. w/ SR 74. 609 Comment
  UCR136166  Juniperus californica A. C. Sanders 2004-6-20 28218 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  UCR20717  Juniperus californica A. C. Sanders, S. D. Boyd 1980-5-2 1424 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  CAS-BOT-BC234600  Justicia californica L. R. Abrams 1926-3-26 11063 Riverside Palm Springs to Palm Canyon Comment
  UC1125600  Justicia californica H. S. Yates 1937-3-23 6445 Riverside 15 mi. n.-n.e. Mecca; Thermal Quad. Comment
  UCR216681  Justicia californica Jim Andre, T. La Doux 2009-3-10 11245 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
  UCR163060  Kallstroemia californica B. G. Pitzer, G. R. Ballmer 2000-10-14 4218 Riverside Sonoran (Colorado) Desert, south of eastern Ford Dry Lake, south side of Hwy I-10 along gasline road, 0.5-0.75 mi. east of Ford Lake Rd. exit, c. 22 miles west of Blythe 115 Comment
  UCR33576  Kallstroemia californica Sears 1977-10-12 S 582 b Riverside Sonoran (Colorado) Desert, 20 mi. east of Desert Center, 10 mi. east of Corn Springs exit 134 Comment
  RSA556508  Keckiella antirrhinoides Julie Greene 1993-4-10 1171 Riverside San Jacinto Wildlife Area: Lower North facing slope with granitic outcrops. 476 Comment
  SD187479  Keckiella antirrhinoides Scott D. White, Angelia Carey 2004-4-16 10158 Riverside San Jacinto Mountain Foothills, Indian Creek 548 Comment
  CAS-BOT-BC246225  Keckiella ternata subsp. ternata Ralph Hoffmann 1929-9-11 s.n. Riverside San Jacinto Mountains 1219 Comment
  NY790416  Keckiella ternata subsp. ternata H. M. Hall 08 1901 2634 Riverside In the vicinity of Chalk Hill. San Jacinto Mountains. 1585.0 Comment
  RSA293262  Keckiella ternata subsp. ternata D. C. Michener 1980-7-18 3711 Riverside Old Banning rd. 2.7 mi. north west of jct with Poppet Flat rd. 1100 Comment
  POM17823  Koeleria macrantha P. A. Munz, D. Keck 1923-6-14 7076 Riverside Glen Ivy Trail to Santiago Peak. 1584 Comment
  UCR201642  Koeleria macrantha Scott D. White, Justin M. Wood 2008-6-16 12147 Riverside San Jacinto Mountains, meadow at Quinn Flat 1378 Comment
  UCD107116  Krameria bicolor Nancy Ryan Zabriskie 1968-4-12 133 Riverside Near entrance to Andreas Canyon Clubhouse, Andreas Canyon. Comment
  CHSC26046  Krameria erecta James Henrickson 1971-4-2 5478 Riverside Near Hidden Oasis, 13 miles E. of Palm Springs; on rocky slope above sandy arroyo near fan palm oasis. 182 Comment
  JOTR34065  Krameria erecta La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2963 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon on edge of 2009 burn area, north of Lost Horse Mine trail Comment
  UCR19177  Krameria erecta John C. Roos 1965-6-13 s.n. Riverside Santa Rosa Mtns., Dos Palmas Spring Comment
  CLARK-A1656-653  Krameria grayi Lois Ann Scott 1978-4-21 Riverside San Jacinto Mountains 152 Comment
  RSA700974  Krameria grayi Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11256 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
  CLARK-A1528-4705  Lamarckia aurea John C. Roos 1947-3-21 3373 Riverside Reche Canyon Comment
  UCR86653  Lamium amplexicaule A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16262 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
  SEINET13946477 Image available Lamium amplexicaule Kay Raeder 1955-1 477 Riverside Chino Ave at Mckinley Ave south of Pomono near Carbon Canyon; alt 1000 ft 305 Comment
  RSA469611  Langloisia setosissima subsp. setosissima L. H. Jones 1910-3-18 s.n. Riverside Riverside Mountain, near the Colorado River. Comment
  IRVC28837  Larrea tridentata Mark A. Elvin 2005-4-25 4222 Riverside Coachella Valley; N of Palm Springs; N of I10; S of Dillan Road; E of Indian Avenue. Northern Sonoran Desert 244 Comment
  RSA0117856  Larrea tridentata Sarah J. J. De Groot, Rachel Darney-Lane 2016-5-5 7896 Riverside North side of Mecca Hills, north of Shaver's Well and Meccacopia Trail, south of Interstate 10, Shaver's Valley, east-northeast of Mecca. Along Box Canyon Road ca. 5.85 miles west-southwest of Mecca/Cottonwood exit (168) from I-10. 319 Comment
  RSA329549  Larrea tridentata Gary D. Wallace 1966-3-26 266 Riverside Thousand Palm Oasis in the Indio Hills 70 Comment
  SEINET4907864  Larrea tridentata H. F. Thut 1971-1-31 s.n. Riverside W of Blythe. 305 Comment
  HSC85391  Lastarriaea coriacea Steve Boyd 1986-4-19 1697 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Rd. Comment
  CAS-BOT-BC352879  Lasthenia coronaria Ynez Whilton Winblad 1937-2-23 s.n. Riverside 29 Palms Canyon Comment
  JEPS15067  Lasthenia coronaria H. M. Hall 1903-3-28 3714 Riverside vicinity of Riverside 426 Comment
  JEPS35628  Lasthenia glabrata subsp. coulteri W. L. Jepson 1939-4-17 19158 Riverside Temecula 304 Comment
  RSA609950  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1995-5-5 2407 Riverside 7.5 km west of Lakeview and some 90m SE of the intersection of the Ramona expressway and Martin Road (Road to Lakeview Hot Springs). 435 Comment
  RSA728143  Lasthenia gracilis Daphne K. Christopher, Hannah Stevens, Zach Princip 2003-4-7 113 Riverside Santa Rosa Plateu Nature Conservancy Preserve. Tenaja Truck Road. 610 Comment
  RSA736252  Lasthenia gracilis Scott D. White, Justin M. Wood 2008-4-3 11796 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. 'Morgan' property, Alberhill area. 274 Comment
  UC30485  Lasthenia gracilis Geo. R. Hall 1901-3-17 1669 Riverside Riverside 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
  UCSB40450  Lasthenia gracilis Ochs, Clifford 1980-3-25 Riverside On N. side of State Highway 79, 15 miles W. of Vail Lake 274 Comment
  RSA406645  Lathyrus vestitus subsp. alefeldii Gale Sphon 1955-3-5 s.n. Riverside Horsethief Canyon, Elsinore Mountains. Comment
  POM2641  Lathyrus vestitus subsp. laetiflorus P. A. Munz 1918-4-27 2127 Riverside Elsinore Comment
  POM361741  Layia Theodore Payne 1921-6-1 3437 Riverside Banning. Comment
  CHSC108889  Layia glandulosa Orlando Mistretta; D Bell, J England, J Hall, C McDonald, L Reccia 2010-4-13 4988 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 750 Comment
  RSA570692  Lemna minor Steve Boyd, J. Travis Columbus 1993-10-23 8198 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Morrell Canyon along Morgan Trail (5W02). 878 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
  POM93707  Lepidium dictyotum Marcus E. Jones 1882-4-24 s.n. Riverside Temecula Comment
  POM265283  Lepidium fremontii I. L. Wiggins 1937-3-9 8755 Riverside 5 miles west of Shaver's Well. Comment
  UCR260254  Lepidium fremontii A. C. Sanders, Jim Malusa 2015-3-11 41394 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Gasline Road at junction with road to Observation Point Slats, US Navy Chocolate Mountains Aerial Gunnery Range 723 Comment
  GMDRC3750  Lepidium fremontii var. fremontii J. Andre, T. La Doux 2009-3-1 11247 Riverside Little San Bernardino Mountains: Joshua Tree Natl. Park: south end of the Cottonwood Mtns near Pinkham Wash just N. of aquaduct just inside JTNP boundary, approx 7 mi. W. of S. entrance into park at Cottonwood. USGS 7.5 min. Quad: Cottonwood Basin 33 deg. 40.948' N 115 deg. 52.141' W. Elev. 1778 ft. 542 Comment
  RSA429926  Lepidium lasiocarpum N. C. Cooper 1949-4-8 3308 Riverside Desert Center. 610 Comment
  UCR272901  Lepidium lasiocarpum Duncan S. Bell, Amanda Bell, Evan Bell (in utero) 2012-1-28 3068 Riverside Mojave Desert, east side of the Arica Mountains, Rice Valley, c. 6 air miles southeast of the ghost town of Rice 202 Comment
  POM93985  Lepidium lasiocarpum Marcus E. Jones 1926-2-19 s.n. Riverside West of Indio, Riverside County Comment
  SBBG104635  Lepidium lasiocarpum var. lasiocarpum T. Glenn 1991-5-2 91 -30 Riverside McCoy Mtns NW of Blythe 350 Comment
  SD119932  Lepidium virginicum var. pubescens Louis B. Ziegler 1972-5-30 470 Riverside San Jacinto Mountains, Hemet, Garner Valley 1399 Comment
  UCR193901  Lepidium virginicum var. pubescens A. C. Sanders, Mitch Provance 2008-7-11 35784 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  CHSC108875  Lepidium virginicum var. robinsonii Justin M. Wood 2010-3-4 1420 Riverside Prado Basin: City of Corona, just NW of sewage treatment dike (intersection of railroad st. and Yorba st.) 160 Comment
  RSA613648  Lepidium virginicum var. robinsonii D. L. Banks, Victor Steinmann 1997-3-13 1471 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
  RSA586324  Lepidium virginicum var. virginicum D. L. Banks, S. D. Boyd 1995-5-3 189 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA514321  Lepidospartum squamatum Reid V. Moran 1967-11-7 14644 Riverside 7 mi west of Radec. 400 Comment
  UC133438  Lepidospartum squamatum C. R. Orcutt 1883-11-1 Riverside Riverside Comment
  RSA697078  Lepidospartum squamatum var. obtectum W. Blanchard 1932-11-11 s.n. Riverside About 3 mi. S. of Palm Springs Station. Comment
  CAS-BOT-BC227052  Leptosiphon floribundus subsp. glaber Edmund C. Jaeger 1919-5-10 s.n. Riverside Rockhouse Canon [Canyon], southern Riverside Co. 457 Comment
  RSA0123704  Leptosiphon floribundus subsp. hallii Duncan S. Bell, Thomas Stoughton 2016-4-12 9238 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 3.75 air miles northwest of Rabbit Peak. 698 Comment
  RSA152503  Leptosiphon lemmonii R. C. Bacigalupi 1954-5-16 4472 Riverside Along highway 79, near summit of grade about 3/4 miles south of Sage. 762 Comment
  RSA468532  Leptosiphon liniflorus N. C. Cooper 1944-5-20 2651 Riverside Palm Springs. 137 Comment
  UCR269221  Lessingia glandulifera T. B. Salvato, Arlee Montalvo 2015-8-22 8234 Riverside San Jacinto Mountains, Apple Canyon Road, 1.35 air miles northeast of its junction with Hwy 74 1418 Comment
  JEPS20573  Lessingia glandulifera var. glandulifera John Thomas Howell 1927-8-2 2909 Riverside at Idyllwild (Strawberry Valley, Mt. San Jacinto); Mt. San Jacinto, Strawberry Valley Comment
  RSA596157  Lessingia glandulifera var. glandulifera D. L. Banks 1996-11-7 1218 A Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; On the main road in the Reservation., 1.6 km E of the roads crossing with Pechanga Creek on the northern fork of the creek at the E end of the Reservation. 415 Comment
  RSA655213  Lessingia glandulifera var. glandulifera Scott D. White 1999-7-9 7533 Riverside Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road S24.2. 1432 Comment
  RSA768238  Limonium perezii Justin M. Wood 2010-5-19 1843 Riverside Santa Ana River: +/- 1.4 miles downstream of Prado dam outlet, just NW of Green River Housing Estate. 131 Comment
  UC23402  Linanthus bigelovii W. G. Wright 1890-3-10 759 Riverside Colorado Desert Comment
  CLARK-A1045-63  Linanthus dianthiflorus George K. Helmkamp 1979-4-27 Riverside Santa Ana Mountains Wildomar 7.5'Q Comment
  RSA773182  Linanthus dianthiflorus Duncan S. Bell, J. D. England 2010-5-27 1133 Riverside San Bernardino National Forest: Garner Valley, approximately 1 air mile southeast of junction of forest service road 6S04 and forest service road 6S13. 1354 Comment
  RSA123819  Linanthus jonesii P. H. Raven 1958-3-15 11846 Riverside Box Canyon 4.5 miles east of turn to Painted Canyon. Comment
  JEPS58458  Linanthus lemmonii W. L. Jepson 1901-5-19 1296 Riverside Strawberry Valley Mt. San Jacinto 1676 Comment
  UCR220141  Linanthus lemmonii D. E. Bramlet 1990-4-27 1984 B Riverside Peninsular Range, Ridgeline 2100-2500 ft. (c. 0.4 mi.) NE of knoll '2502,' and 1200-1500 ft. (~ 0.21 mi.) west of Rawson Canyon 671 Comment
  JEPS58470  Linanthus liniflorus W. L. Jepson 1914-5-25 6076 Riverside Beaumont Comment
  RSA752781  Linanthus liniflorus Scott D. White, Justin M. Wood 2009-5-21 12845 Riverside San Jacinto Mountains: McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  JOTR32142  Linanthus maculatus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2298 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy, braided ephemeral wash flowing northeast (Stop 2) Comment
  SEINET13709267  Linanthus nuttallii J. Adams, J. Adams (Botany) 1966-1 747 Riverside Santa Rosa Plateau, along Dirt Rd from Murrieta to De Luz 2500Ft 762 Comment
  UCR220330  Linanthus pygmaeus D. E. Bramlet 1992-5-8 2268 Riverside Peninsular Range; Perris-Aguanga Basin Region, East Benton Road at Tucalota Creek, east of Lake Skinner 514 Comment
  RSA85440  Linaria canadensis var. texana J. C. Roos 1952-4-9 5504 Riverside north side of Mt. Rubidoux 381 Comment
  RSA0030797  Lithophragma affine subsp. mixtum N. C. Cooper 1944-5-21 1302 Riverside San Jacinto Mountains, west side. 915 Comment
  UC218031  Loeseliastrum schottii P. A. Munz, D. Keck 1922-4-13 4936 Riverside Chuckwalla Valley, Desert Center Colorado Desert, Chuckwalla Valley, Desert Center 182 Comment
Read comments
Apr 5 2011
  SD258330  Logfia depressa J. M. Andre, Glenn Clifton, Ron Kelley 2013-3-21 24388 Riverside Grommet; West Riverside Mountains; at base NW corner of corner range where sand ramps run up against granitic bouldery slopes, about 10 mi SW of Vidal Jct, 3 mi south of Grommet RR xing at Hwy 62 363 Comment
  UC1022808  Logfia depressa Philip A. Munz 1940-3-23 15688 Riverside n end Pinto Basin; Southern California, Mohave Desert 609 Comment
  UCR88304  Logfia filaginoides A. C. Sanders, Karin Cleary-Rose 1995-4-5 16387 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  RSA512171  Lolium perenne Ed LaRue 1989-4-21 s.n. Riverside Moreno Valley, ca. 1 mi S of Hwy 60 on Nason St. Adjacent to W side of Nason, S of Dracaea Ave. Comment
  UCR232030  Lolium perenne subsp. multiflorum John F. Green 2008-4-22 06- 08 Riverside Peninsular Range, hills south of Perris, powerline route just above the San Jacinto River, east of Lantana Dr., south of Ethanac Rd. 442 Comment
  RSA691957  Lomatium dasycarpum Scott D. White, Michael Honer 2003-4-9 8980 Riverside About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak 2349. 549 Comment
  UC2029940  Lonicera subspicata Scott D. White, T. B. Salvato 2001-6-8 8589 Riverside SANTA ANA MOUNTAINS: Southern margin of county, just northeast of Rainbow Valley. 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
  RSA191424  Lonicera subspicata var. denudata E. W. Lathrop, R. F. Thorne 1967-9-26 s.n. Riverside 6 miles NW of Murrieta. Comment
  UC219569  Lonicera subspicata var. denudata P. A. Munz 1922-6-25 5823 Riverside Hemet Valley to Vandeventer; San Jacinto Mts. 1432 Comment
  RSA688857  Lotus argophyllus subsp. decorus Scott D. White, Michael Honer 2003-5-13 9248 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon washWhitewater Canyon, ca. 2 miles north of Bonnie Bell. 579 Comment
  POM12751  Lotus crassifolius P. A. Munz 1922-7-7 6061 Riverside Fern Valley Comment
  RSA802097  Lotus crassifolius Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4982 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  RSA406416  Lotus hamatus Anstruther Davidson 1926-5-1 s.n. Riverside Near Corona Comment
  UCR174444  Lotus hamatus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32509 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UCR26490  Lotus hamatus A. C. Sanders, S. Hagopian 1981-5-20 2142 Riverside Perris-Aguanga Basin, S side of Pauba Valley, within l mi of Hwy 71 bridge over the Temecula River 367 Comment
  POM48852  Lotus heermannii P. A. Munz 1924-5-18 8138 Riverside 18 miles south of Banning on Idyllwild Road. 1524 Comment
  RSA195479  Lotus heermannii C. R. Gunn 1963-5-29 2629 Riverside Riverside County road R1, 1/2 mile above Fulmore Lake, San Bernardino National Forest, San Jacinto Mountains. Comment
  CLARK-A1528-483  Lotus oblongifolius Frank C. Vasek 1964-7-25 640725-4 Riverside San Jacinto Mountains Comment
  UCR120339  Lotus purshianus Mitch Provance 1998-7-23 924 Riverside Jurupa Mountains, Glen Avon Heights, 'Granite Hill', 0.5 mile SSW of peak 1437, on the E side of the water tank 259 Comment
  RSA303528  Lotus rigidus J. R. Shevock 1971-5-8 1043 Riverside Near Skull Rock; Joshua Tree National Mon. 1372 Comment
  RSA662127  Lotus scoparius Daniel Curran 1981-2-16 17 Riverside Lake Matthews Drive, 5.8 miles from junction with Cajalco Rd. Comment
  RSA776227  Lotus scoparius var. brevialatus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 877 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 762 Comment
  UC1329863  Lotus scoparius var. brevialatus James E. Cole 1941-5-17 713 Riverside Covington Flat Canyon Joshua Tree National Monument 1371 Comment
  CLARK-A1528-1165  Lotus strigosus Cameron Duncan 1966-3-27 Riverside Riverside 914 Comment
  CSUSB1248  Lotus strigosus Nancy J. Matthews 1963-5-9 50963 1 Riverside 1 mile northwest of Gilman Hot Springs on Highway 79; along roadside. 457 Comment
  RSA519267  Lotus strigosus Ed LaRue 1989-5-8 s.n. Riverside Mockingbird Canyon area, S of Van Buren Blvd and ca 1/2 mi (airline) E of Mockingbird Canyon Road. Comment
  UC373113  Lotus strigosus M. Hilend 1927-4-2 Riverside between Mecca and Hidden Spring; Colorado Desert Comment
  RSA395  Lotus strigosus var. hirtellus J. T. Howell 1927-8-2 564 Riverside Near Strawberry Valley, Mt. San Jacinto. 1677 Comment
  UCR241520  Lotus strigosus var. tomentellus A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40648 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  RSA50572  Lotus unifoliolatus E. C. Jaeger 1949-7-24 s.n. Riverside Virgin spring, Santa Rosa mountains Comment
Read comments
Nov 6 2011
  UC2030128  Ludwigia peploides subsp. peploides Robert F. Thorne, J. P. Simon, and C. W. Tilforth 1969-6-24 38144 Riverside SAN JACINTO MOUNTAINS: San Bernardino National Forest. Lake Fulmor. Comment
  UCR1291B  Lupinus albifrons Martha McCarthy 1960-4-24 s.n. Riverside Santa Ana Mtns, 150 yd east of Teneja Rd. and c. 8 mi from the junction with Washington Ave., Murrieta 732 Comment
  JEPS48838  Lupinus arizonicus Marjorie D. Clary 1932-5-9 945 Riverside Shavers Well to Desert Center; Shavers Well to Desert Center Comment
  POM350004  Lupinus arizonicus D. A. Young 1969-3-21 458 Riverside Highway 71 approx. 1 miles Southwest of Elsinore. 183 Comment
  RSA86945  Lupinus arizonicus F. W. Peirson 1921-4-13 2497 Riverside Deep Canyon, about 12 miles southeast of Palm Springs. 274 Comment
  UCR50650  Lupinus arizonicus B. A. Prigge 1988-2-21 7836 Riverside Sonoran (Colorado) Desert, Orocopia Mtns. 2 mi west of Clemens Well 229 Comment
  SEINET10488553  Lupinus arizonicus Billy Joe Cox 1975-4-23 Cox 4107 Riverside 1-3 km w (ca 32 miles s of blythe). Creosote desert scrub; sandy and gravelly Entisols. Imperial co border 70 Comment
  POM306064  Lupinus bicolor Henry J. Ramsey 1937-5-30 1322 Riverside Santa Rosa Mountains Comment
  SD140104  Lupinus bicolor Scott White 1993-4-22 1264 Riverside North Alberhill Ranch, in hills north of Walker Canyon 487 Comment
  UCR127567  Lupinus bicolor A. C. Sanders, T. B. Salvato 2003-5-21 26790 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
  UCR178837  Lupinus bicolor T. B. Salvato, Jeffrey Ross, B. G. Pitzer 1998-3-25 MOR- 1037 B Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon, 0.2 mi. east of N-S Potrero Canyon Rd. on dirt road to Corral Canyon, junction at Bench Mark 3054', Tree Stand P-08 930 Comment
  RSA431075  Lupinus bicolor subsp. marginatus David B. Dunn 1949-4-10 5541- 2 -3 Riverside A colony growing 1 mile east of Beaumont on the southside of he highway at Xenica Ave. Comment
  POM350061  Lupinus bicolor subsp. microphyllus Christopher Davidson, B. Gustafson 1977-4-7 5580 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. Hillside, N slope. 610 Comment
  SEINET10484932  Lupinus bicolor subsp. tridentatus David B. Dunn 1941-3-30 Dunn 989 Riverside Plants collected in sparse desert brush and grassland, very open, 3 mi. E of Banning. Comment
  HSC14813  Lupinus concinnus R. A. Eagle 1963-4-8 6 Riverside San Jacinto Mts., Idyllwild Comment
  RSA800114  Lupinus concinnus Duncan S. Bell 2013-4-7 4759 Riverside Arica Mountains, east side of range; west side of Rice Valley approximately 4 air miles south of the ghost town of Rice. 207 Comment
  UCR153670  Lupinus concinnus Scott D. White 1999-5-24 7388 Riverside Peninsular Ranges/ Perris-Aguanga Basin, San Jacinto Valley, San Jacinto River wash: just N of the city of San Jacinto, about 1 mile SE of State St. Bridge 479 Comment
  RSA407141  Lupinus concinnus subsp. optatus N. C. Cooper 1944-6-16 1435 Riverside San Jacinto Mtns. Pine Cove. 1524 Comment
  CAS-BOT-BC216689  Lupinus excubitus subsp. hallii Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  RSA572997  Lupinus excubitus var. hallii Steve D. Boyd 1986-4-22 1750 Riverside Temescal Canyon; Stable alluvial benches of Indian wash just S of I-15. Comment
  RSA91190  Lupinus hyacinthinus F. W. Peirson 1938-5-30 12412 Riverside Thomas Mountain, Hemet Valley. 1402 Comment
  SEINET10903865  Lupinus hyacinthinus David B. Dunn 1946-8-18 Dunn 2739 Riverside San jacinto mts., Peak. S slope 200 ft from top. Comment
  UCR16254  Lupinus longifolius S. Riddell 1973-5-17 730517 12 Riverside Peninsular Range; Santa Ana Mtns., 0.1 mi west of El Cariso Fire Station on Hwy 74, 15 ft from the road 793 Comment
  UCR125289  Lupinus microcarpus A. C. Sanders 2002-11-21 25642 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  UCR102897  Lupinus microcarpus var. densiflorus A. C. Sanders 1997-4-3 20177 Riverside Lake Skinner area, N edge of large clay patch adjacent to the E side of the Skinner entrance road, c. 1-2 km NE of Borel Road. 473 Comment
  RSA413800  Lupinus nanus subsp. nanus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  POM187416  Lupinus polyphyllus var. burkei L. Crutcher 1933-8-22 6 Riverside stream between Tahquitz Valley and Red Tahquitz, San Jacinto Mts. Comment
  RSA485409  Lupinus sparsiflorus subsp. sparsiflorus Steve Boyd 1987-4-5 1968 Riverside Gavilan Hills - Harford Spring County Park in sandy valley at N end of park. 609 Comment
  SEINET2062675 Image available Lupinus succulentus Ed LaRue 1989-4-21 Riverside Moreno Valley, University of California Riverside agricultural experimental farms, ca 1/2 mi S. of Alessandro Blvd, at NE corner of Cactus Ave. & Nason St. Comment
  POM9291  Lupinus succulentus Philip A. Munz, R. D. Harwood 1920-3-20 3371 Riverside 5 miles S of Corona 305 Comment
  SD185226  Lupinus truncatus T. B. Salvato, Kent Beaman 2005-5-16 811 Riverside San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Highway 74. 548 Comment
  SEINET2062684 Image available Lupinus truncatus Don Mitchell 1990-4-30 Riverside W side of Sage Rd., ca 0.5 mi S of intersection with Wilson Valley Rd. Sage 7.5' Quad 701 Comment
  UCR102831  Lupinus truncatus A. C. Sanders 1997-4-3 20146 Riverside Lake Skinner area, near north foot of Black Mountain, slopes south of Crown Valley 726 Comment
  UCR147708  Lupinus truncatus Steve Boyd, Aydee Virgen 2004-4-13 10879 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  UCR177702  Lupinus truncatus Michael Wall, Jett, Perez, and Garcia 1994-6-1 60 Riverside Peninsular Ranges; Perris-Aguanga Basin region, S of Hemet, 0.2 mi west of Benji Lane off Hwy R-3 168 Comment
  JOTR31816  Lycium andersonii La Doux, Tasha, Bill Truesdell 2007-11-9 2523 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park; Canyon parallel to and east of Lost Palms Canyon (Stop 5) 651 Comment
  CAS-BOT-BC231478  Lycium brevipes var. brevipes Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  UCR180050  Lythrum californicum Mitch Provance 2005-5-18 9804 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  UCR89978  Lythrum californicum 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
  UCR106356  Machaeranthera canescens subsp. canescens John Wear, Nathan Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  UCR93099  Machaeranthera cognata F. M. Reed 1931-4-11 6919 Riverside Western Colorado Desert, 'Red Canyon' north of Mecca [= Painted Canyon?] 152 Comment
Read comments
Nov 24 2011
  UC33263  Madia elegans H. M. Hall 1901-6 + 2662 Riverside vicinity Strawberry Valley; San Jacinto Mountains, vicinity of Strawberry Valley 1584 Comment
  UCR77741  Madia exigua Steve Boyd, O. Mistretta 1991-5-22 6305 Riverside Agua Tibia Mountains, Vail Lake area, base of Agua Tibia Mountain, east of Dorland Mountain, west of Kolb Creek 793 Comment
  UCR193911  Madia gracilis A. C. Sanders, Mitch Provance 2008-7-11 35809 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  UCSB37909  Madia gracilis Sanders, A. 1980-7-18 Riverside Thomas Mountain; Thomas Mtn. campground to the summit at the lookout; T 6S R 3E, W1/2 sec. 28 2072 Comment
  RSA0008554  Mahonia nevinii Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 3001 Riverside Vail Lake area, Temecula Creek Cyn below Vail Lake Dam 457 Comment
  CAS-BOT-BC230890  Malacothamnus davidsonii Edith A. Purer 1935-4-21 6472 Riverside East slope of San Jacinto Mt. Comment
  RSA433287  Malacothamnus densiflorus var. densiflorus N. C. Cooper 1944-6-4 1317 Riverside Elsinore Mountain; Lookout at top. 1067 Comment
  RSA560865  Malacothamnus densiflorus var. densiflorus Steve Boyd 1992-4-14 6831 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail. 341 Comment
  POM10232  Malacothrix californica Charlotte M. Wilder 1904-5-15 124 Riverside North side of Jurupa Hills, near Riverside Comment
  UC33272  Malacothrix californica H. M. Hall June, 1901 2182 Riverside Thomas Valley San Jacinto Mountains 1371 Comment
  CAS-BOT-BC347704  Malacothrix glabrata Marcus E. Jones 1917-4-23 s.n. Riverside Mohave Comment
  HSC28056  Malacothrix glabrata Richard Spjut 1973-4-6 3272 Riverside Colorado Desert, 4-5 mi. N of Palm Springs on Indian Ave. 152 Comment
  SD5136  Malacothrix glabrata Ruth B. Randall 1926-2-22 231 Riverside Whitewater Pass Comment
  SEINET11799396  Malacothrix glabrata Unknown 1933-1 8052 Riverside Banning Comment
  SEINET6810921  Malacothrix glabrata Davis 1957-4-7 34 -57 Riverside 1.1 mi N of on road to Salton Sea Indian Ave; Indian Ave; 1.1 mi N of on road to Salton Sea Comment
  RSA588177  Malacothrix saxatilis var. tenuifolia D. L. Banks, Victor W. Steinmann 1995-7-10 0743 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. 560 Comment
  SDSU12944  Malosma laurina Jutta Buschbom 1991-5-1 10 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  CSUSB1015  Malva parviflora Leland R. Dykes 1962-4-22 46 Riverside Palomar Road at San Mateo Canyon turnoff, in Murrieta. Comment
  OBI12339  Malva parviflora Tracey & Viola Call, Viola Call 1962-4-8 2120 Riverside Rancho Rd, Corona 213 Comment
  UCR89825  Malvella leprosa 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
  VVC2106  Mammillaria tetrancistra Tim Thomas 2012-8-23 5873 Riverside Colorado Desert, WNW of Blythe on east side of McCoy Mtns, 5 miles north of I-10 168 Comment
  UCR116910  Marah macrocarpa A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23962 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  POM147636  Marina parryi F. M. Reed 1927-3-20 5427 Riverside Salt Creek Wash. Comment
  CAS-BOT-BC71093  Marsilea vestita P. A. Munz; I. M. Johnston 1922-5-5 5154 Riverside Mystic Lake, near Moreno 426 Comment
  UCR266276  Marsilea vestita D. E. Bramlet 2005-6-8 3874 B Riverside San Jacinto Valley Region, c. 4.5 km NE of Winchester, 7 km WSW of Hemet, c. 100 m north of Stetson Ave., 50 m west of MWD Canal 457 Comment
  SD234831  Matricaria occidentalis R. E. Riefner Jr. 2004-6-27 4 221 Riverside Paloma Valley; along Scott Road, in general vicinity of Leon Road (Winchester 7.5'Q) 434 Comment
  UCR116900  Matricaria occidentalis A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24198 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  UCR140307  Matricaria occidentalis A. C. Sanders 2004-4-9 27476 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, vicinity of Rose Rd. 457 Comment
  SEINET13203029 Image available Medicago truncatula Walter Graves 1996-1 5971 Riverside Riverside, cultivated at UCR agricultural operations fields (Riverside East 7.5' Q.) 366 Comment
  UCR112800  Melia azedarach A. C. Sanders 1997-5-1 20616 Riverside Lake Skinner area, old house site at gated road junction into Shipley Reserve area, c. 1 km NE of Lake Skinner in mouth of Rawson Creek Canyon 457 Comment
  JOTR16780  Melica bulbosa Walters, Jim 1967-4-30 s.n. Riverside Joshua Tree National Park. STIRRUP TANK 1097 Comment
  JOTR30808  Melica frutescens Andre, Jim, Tasha La Doux 2008-9-16 10688 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
  CAS-BOT-BC281605  Melica imperfecta C. L. Hitchcock 1940-4-12 6042 Riverside 8 miles NW of Elsinore 457 Comment
  UC1931139  Melica imperfecta Scott D. White, Justin Wood 2008-6-19 12274 Riverside San Jacinto Mountains: Meadows at Baldy Mountain. (Idyllwild) Comment
  SEINET2063367 Image available Melilotus indicus Diane L. Ill 1985-5-12 38 Riverside Gavilan Hills, Hartford Springs, 1.6 mi S of Cajalco Rd. on Gavilan Rd. Right side of Road along Spring 609 Comment
  UCR174103  Melilotus indicus A. C. Sanders 2006-5-19 32437 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
  RSA701360  Melilotus indicus Steve Boyd, Aydee Virgen 2004-4-13 10878 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  RSA0120319  Mentzelia albicaulis Duncan S. Bell, Thomas Stoughton 2016-3-16 8952 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central/southeastern section of range, approximately 2.5 air miles north of Gucci Spring. 511 Comment
  RSA681992  Mentzelia albicaulis Steve Boyd, Amber Maurice, Pesach Lubinsky, Lel Lubinsky 2003-4-17 10496 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
  JEPS29275  Mentzelia desertorum Rimo Bacigalupi, L. Heckard and P. Hutchison 1962-3-21 8343 Riverside 2.3 mi below and sw Shavers (along Calif. Highway 195); Box Canyon Wash 243 Comment
  POM48718  Mentzelia dispersa P. A. Munz, I. M. Johnston 1924-7-29 8842 Riverside 6 miles SE of Poppet Flat, San Jacinto Mountains. 1524 Comment
  SDSU8092  Mentzelia involucrata Darren S. Smith 1992-4-5 Riverside 480 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
  UCR215003  Mentzelia involucrata T. B. Salvato 2010-4-20 4068 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  POM302281  Mentzelia involucrata var. megalantha Lyman Benson 1957-4-3 15715 Riverside 1/2 mile above the mouth of Whitewater Canyon. San Bernardino Mountains; Salton Sea Drainage 579 Comment
  UCR269845  Mentzelia involucrata var. megalantha A. C. Sanders, Jim Malusa 2016-3-18 42377 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  RSA0127363  Mentzelia longiloba var. longiloba F. W. Peirson 1932-3-22 9809 Riverside About 6 miles N of Blythe on Needles Road. 122 Comment
  RSA446776  Mentzelia micrantha M. B. Dunkle 1934-6-18 3975 Riverside Upper San Juan Canyon. Comment
  UC19591  Mentzelia montana H. M. Hall May 1899 1121 Riverside San Jacinto Mountains, Strawberry Valley 1615 Comment
  UCR51971  Mentzelia obscura Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2113 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  RSA192016  Mentzelia veatchiana E. W. Lathrop 1959-4-16 4446 Riverside 14 miles W of Murrieta, Tenaja plateau. Comment
  UCD117398  Mentzelia veatchiana Geoffrey Levin 1975-4-26 488 Riverside Mayhew Canyon, 1.5 miles southeast of Glen Ivy on Highway 71. 335 Comment
  UCD149865  Mentzelia veatchiana Harry George 1968-2-21 s.n. Riverside Joshua Tree National Monument. Comment
  UCR201624  Mentzelia veatchiana Scott D. White, Justin M. Wood 2008-6-16 12133 Riverside San Jacinto Mountains, meadow at Quinn Flat 1378 Comment
  POM248404  Mentzelia veatchiana E. C. Jaeger 16 Riverside [No location information on label.] Comment
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Nov 6 2011
  RSA543587  Micropus californicus Steve Boyd, Laurel Arnseth, Orlando Mistretta 1991-5-6 6139 Riverside Santa Ana Mountains, S side of Elsinore Peak. 1037 Comment
  RSA713571  Microseris douglasii subsp. douglasii R. E. Riefner 2005-4-22 05 -240 Riverside Patton Rd. at Patterson Ave. 452 Comment
  UCR266310  Microseris douglasii subsp. platycarpha D. E. Bramlet 1991-4-29 2077 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, 6.5 km west of Hemet & c. 0.4 km west of intersection of Florida Ave./Hwy 74 & Warren Road 457 Comment
  UCR91478  Microseris douglasii subsp. platycarpha Scott D. White, M. Jacobsmeyer 1996-4-20 3945 Riverside Bundy Canyon Road, west of Menifee. c. 4-5 mi west of Interstate Hwy-215 freeway. north of road. 549 Comment
  RSA612933  Microseris heterocarpa D. L. Banks 1997-3-29 1644 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. An area of native grassland along the Magee Truck Trail at the southern extremity of the Reservation just before the Riverside / San Diego County line border. 463 Comment
  RSA496135  Microseris lindleyi Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-3-19 3021 Riverside Vail Lake area,1 mile W of Lake 610 Comment
  SEINET10808319  Microseris lindleyi Mitch C. Provance 2003-4-26 Provance 9897 Riverside Santa Ana River Valley: Northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just S of Crestlawn Memorial Cemetery. Grassy clay slopes with patches of coastal sage scrub (Hemizonia abundant) between 900 and 1200 ft., becoming bouldery between 1200 and 1400 ft. with coastal sage scrub (Salvia mellifera common). 274 Comment
  RSA0018769  Mimetanthe pilosa Philip A. Munz, I. M. Johnston 1924-7-27 8849 Riverside 7 miles SE of Poppet Flat. San Jacinto Mountains. 1524 Comment
  UCR234758  Mimulus aurantiacus var. pubescens A. C. Sanders, John F. Green 2012-6-25 40313 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon near Hostettler Rd. south of I-15, narrow canyon draining from vicinity of Palomino Creek Dr. at end of Calendula St. 387 Comment
  UCR262243  Mimulus aurantiacus var. pubescens T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3723 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
  POM8477  Mimulus aurantiacus var. puniceus I. M. Johnston 1920-5-8 2286 Riverside Butte west of Lakeview. 610 Comment
  UC64228  Mimulus aurantiacus var. puniceus H. M. Hall 1897-2-27 369 Riverside Winchester Comment
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Mar 20 2011
  UCR250861  Mimulus aurantiacus var. puniceus Dick Newell, Judy Booth 2014-2-16 352 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, South Main Divide [Wildomar] Truck Trail, 0.75 mi. SE of Elsinore Peak 943 Comment
  POM122677  Mimulus bigelovii var. bigelovii Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio. Comment
  UCSB44893  Mimulus bigelovii var. bigelovii Collins, Elizabeth 1977-3-29 Riverside Corn Springs Campground; 8 miles south of Hwy. 10 457 Comment
  RSA156031  Mimulus clevelandii Peter H. Raven 1962-5-18 17759 Riverside [Santa Ana Mountains] Main Divide truck trail 2.9 miles south of Santiago Peak. 1235 Comment
  POM229460  Mimulus diffusus P. A. Munz 1937-5-30 15092 Riverside North of Vandeventer Flat, Santa Rosa Mountain 1677 Comment
  RSA523971  Mimulus diffusus F. W. Peirson 1929-5-4 s.n. Riverside Summit of St John's grade. 793 Comment
  POM301478  Mimulus floribundus J. C. Roos 1937-5-10 2330 Riverside Anual in moist spot in hills west of Perris. Comment
  RSA680402  Mimulus floribundus Scott D. White, Michael Honer, Dylan Hannon 2003-6-24 9600 Riverside Near Rainbow Valley: Mountains west of I-15 Freeway and immediately north of San Diego County boundary. 335 Comment
  CLARK-A1528-865  Mimulus guttatus C. M. Flanagan 1973-5-31 OO 622 Riverside Morongo Indian Reservation 1158 Comment
  SEINET1869716  Mimulus guttatus T. B. Salvato, A. C. Sanders 2007-1 895 Riverside San Jacinto Mtn foothills: San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy 74. 549 Comment
  UCR163338  Mimulus guttatus T. B. Salvato, Kelly Volansky 2003-3-27 127 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  UCR174076  Mimulus guttatus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32590 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UC27000  Mimulus microphyllus H. M. Hall 1901-6-20 2201 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1615 Comment
  UCR19720  Mimulus pilosus H. A. Zuill 1966-6-5 205 Riverside Santa Ana Mtns., San Mateo Canyon c. 13 mi SW of Murrieta Comment
  RSA544424  Mimulus rubellus Steve Boyd, Tim S. Ross 1991-6-8 6329 Riverside Pinyon Flats area near Ribbonwood. White calcareus outcrop forming small hill N of Hwy 74. Comment
  SDSU10801  Mimulus tilingii Garrison 1962-7-29 Riverside 2 miles beyond Black Mountain camp ground. 2134 Comment
  JOTR30299  Mirabilis bigelovii var. bigelovii La Doux, Tasha, Jim Andre 2007-9-6 133 Riverside Joshua Tree National Park. On dirt road to Lost Horse Ranger Station, below Hemingway Buttress 1236 Comment
  SEINET196194  Mirabilis californica LeRoy Abrams 1941-4-22 13875 Riverside Palomar School near Perris Comment
  CAS-BOT-BC434674  Mirabilis laevis var. crassifolia L. R. Abrams 1926-3-25 10996 Riverside Near Banning Comment
  POM747  Mirabilis laevis var. crassifolia I. M. Johnston 1918-4-27 1867 Riverside Temescal Canon (Between Elsinore and Corona) 366 Comment
  POM758  Mirabilis laevis var. crassifolia J. D. Abrams 1901-05 s.n. Riverside Elsinore. Comment
  RSA0124374  Mirabilis laevis var. retrorsa Duncan S. Bell, LeRoy Gross 2016-3-31 9199 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 591 Comment
  SBBG22011  Mirabilis laevis var. villosa R. F. Thorne 1964-5-3 33848 Riverside near hwy ca. 4 mi S of Morongo Valley and 3 mi S of San Bernardino Co line Comment
  RSA774304  Mohavea confertiflora Duncan S. Bell 2011-4-8 2197 Riverside Northwest section of the Granite Mountains; approximately 1 air mile southeast of junction of Highway 62 and Highway 177. 470 Comment
  UCSB17614  Mohavea confertiflora Gerhart, Janet 1963-4-6 Riverside Coachella Canal; siphon #22; 5 mi S of intersection with Salt Creek Wash Comment
  RSA40609  Mollugo cerviana J. C. Roos 1946-9-14 3015 Riverside Thomas Valley, San Jacinto Mountains. 1372 Comment
  RSA0010772  Mollugo verticillata Justin M. Wood, Brandy Wood 2009-7-4 1042 Riverside Riverside Flood Control Basin, SW corner of Patton Rd and Wineville Rd, immediately S of San Bernardino County Line. 250 Comment
  UCR59473  Mollugo verticillata Jeri Hirshberg 1989-7-14 s.n. Riverside Lake Perris, east end of lake 488 Comment
  UC25463  Monardella breweri subsp. lanceolata H. M. Hall 1901-6 2527 Riverside San Jacinto Mountains. In vicinity Strawberry Valley 1584 Comment
  RSA6029  Monardella lanceolata var. lanceolata Carl B. Wolf 1932-8-4 3914 Riverside Point View near Idyllwild. 1646 Comment
  POM259259  Monardella linoides subsp. linoides P. A. Munz 1938-8-14 15380 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2287 Comment
  UC63757  Monardella linoides subsp. linoides H. M. Hall June 1901 2137 Riverside Coyote Canyon San Jacinto Mountains, Santa Rosa Mountain 1524 Comment
  LA96075  Monardella nana Elizabeth McClintock; 1940-6-30 20 Riverside near Marion Camp, on the Banning-Idyllwild rd Comment
  UC1499950  Monardella nana subsp. tenuiflora E. and M. McClintock, D. Weiner 1941-7-11 96 Riverside 2 mi beyond Stone Creek (Banning-Idyllwild road) Comment
  UC25480  Monardella nana subsp. tenuiflora H. M. Hall July, 1901 2259 Riverside Fuller's Mills Mountains San Jacinto Mountains 1981 Comment
  SEINET10498928  Monardella nana subsp. tenuiflora David B. Dunn 1946-8-17 Dunn 2730 Riverside 1.4 mi w of hidden lake, san jacinto mts. Comment
  SEINET10862272  Monardella nana subsp. tenuiflora A. Graff 1993-6-24 Graff 48 Riverside San Bernadino National Forest, San Jacinto Mtns. 1.45 miles in on Black Mtn. Rd. (USNFS Rd. 4S01) from Hwy. 243, on both sides of the road, though most extensively on the right. Before intersection of 4S01 and 4S02. T4S,R2E,S23. Locally abundant in semi-shade, with Quercus kelloggi, Q. chrysolepis, Picea sp., Pinus coulteri, P. ponderosa, Arctostaphylos pringlei, Eriogonum confertiflorum, Lupinus sp., Lotus scoparius. Need USNFS permission to collect. Comment
  RSA517245  Monoptilon bellioides Steve Boyd, Thomas S. Elias, Erika Winter 1986-2-18 1337 Riverside Shavers Valley, Colorado Desert: Hwy 195 north base of the Orocopia Mountains, halfway between Box Canyon and I-10. Comment
  UCR50646  Monoptilon bellioides B. A. Prigge 1988-2-21 7843 Riverside Sonoran (Colorado) Desert, Orocopia Mtns. 2 mi west of Clemens Well 229 Comment
  RSA424927B  Moraea polystachya S. Morgan 1984-11-2 s.n. Riverside UCR Botanic Garden, area north of the rose garden Comment
  HSC84169  Muhlenbergia microsperma B. G. Pitzer, L. F. LaPre 1987-3-2 432 Riverside Bundy Canyon, 2 mi SE of Lake Elsinore, 0.5 mi N of Bundy Canyon Road 703 Comment
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Nov 5 2010
  RSA0104439  Muhlenbergia microsperma Duncan S. Bell, Evan Meyer 2014-10-28 7668 B Riverside Orocopia Mountains; northwest section of range; approximately 1.8 air miles northwest of the summit of Orocopia Mountain. 936 Comment
  UCR174253  Muhlenbergia microsperma A. C. Sanders, T. B. Salvato 2006-6-2 33070 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. 579 Comment
  SEINET10468383  Muhlenbergia richardsonis David B. Dunn 1946-8-18 Dunn 2757 Riverside Found Jolly Springs ravine on trail up Devil's Slide. San Jacinto Mts. Wellman Sieniga, damp soil. Comment
  RSA0021445  Muhlenbergia rigens H. de Forest, Jack Rempel 1934-4-15 s.n. Riverside Jaquitz Canyon floor. 183 Comment
  RSA527847  Muilla maritima Scott D. White 1991-5-13 91 -116 Riverside Hwy 79, immediately W of U.S. Forest Service Campground at Dripping Springs. 549 Comment
  UCR116930  Muilla maritima A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24213 Riverside Perris-Aguanga Basin region, Hemet, SE of intersection of State Street and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi. SSW of Hemet Butte 513 Comment
  UCR112324  Myosurus minimus A. C. Sanders, K. C. Rose 1998-5-21 21861 Riverside Hemet, Alkaline flats west of town, east of the canal, south of Hwy 74 (Florida) and c. 1/4 mi. west of Warren Rd. 457 Comment
  RSA532578  Myosurus minimus subsp. apus D. E. Bramlet 1991-6-1 2189 Riverside 6.1 km west of Hemet and some 135-670m west of the intersection of Florida and Warren. The population is some 8-15m north of Florida Ave. and 5m east of the MWD Canal. 152 Comment
  SD105726  Myosurus minimus var. apus T. Cass 1979-6-1 Riverside Vernal pool, Mesa de Burro, Santa Rosa Plateau 680 Comment
  RSA421096  Nama demissa N. R. Zabriskie, W. M. Zabriskie 1973-4-25 644 Riverside W-central portion Sec 30. Deep Canyon drainage, E side Hwy 74, opposite Black Hill, Santa Rosa Mtns. Site 22. 915 Comment
  RSA421104  Nama demissa N. C. Cooper 1949-4-8 3299 Riverside Desert Center. 610 Comment
  RSA421114  Nama demissa Ora M. Clark 1929-2-23 1559 Riverside N. Whitewater. Comment
  SD143517  Nama demissa var. demissa W. L. Halvorson 1977-3-8 77 85 Riverside 1.0 mile south of the south entrance to Joshua Tree National Monument. Comment
  SEINET5520870  Nama hispida H. M. Hall 5886 Riverside Colorado Desert. Chuckawalla Bench. Comment
  RSA781361  Nassella pulchra A. C. Sanders, T. B. Salvato 2011-4-1 38961 Riverside Lake Elsinore, hill 90 m NE of intersection of Baker St. and Bunker St., 0.35 km NW of Hwy 74 395 Comment
  UC1532822  Navarretia fossalis Robert F. Thorne, C. W. Tilforth, L. DeBuhr and E. Lathrop 1975-8-29 47317 Riverside n end Mesa de Burro (Rancho California); Santa Rosa Plateau 609 Comment
  UC472774  Nemacaulis denudata var. gracilis P. C. Standley 1920-4-6 1376 Riverside in vupibus pr. Palm Springs; Colorado Desert 121 Comment
  RSA781526  Nemacladus glanduliferus var. orientalis Duncan S. Bell 2010-5-1 875 Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  LA204527  Nemacladus gracilis Carl Epling; Harlan Lewis 1942-6-16 Riverside San Jacinto Mountains, Saunders meadow, Idyllwild Comment
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Jun 12 2015
  HSC85393  Nemacladus longiflorus Steve Boyd 1986-4-19 1700 Riverside Temescal Canyon, E side of Indian wash between I-15 and Temescal Canyon Rd. Comment
  RSA0126315  Nemacladus longiflorus var. longiflorus Charlotte M. Wilder 1905-05 s.n. Riverside Wilders Canyon, Riverside. Comment
  POM11654  Nemacladus ramosissimus P. A. Munz 1922-5-21 5503 Riverside Kenworthy, San Jacinto Mountains 1402 Comment
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Mar 25 2011
  RSA0123361  Nemacladus ramosissimus Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9043 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  RSA75141  Nemacladus rubescens F. W. Peirson 1928-4-24 7914 Riverside Below Cottonwood Springs, Eagle Mountains. Northern Colorado Desert. Comment
  RSA439263B  Nemacladus tenuis var. tenuis Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  POM13998  Nemophila menziesii var. integrifolia E. C. Jaeger 1921-6-17 934 Riverside San Jacinto Mtns, Below Greggs Ranch Comment
  RSA329566  Nemophila menziesii var. menziesii Gary D. Wallace 1966-4-7 447 Riverside Tucolata Valley between Sage and Murrieta. Comment
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Feb 23 2017
  JOTR32184  Nicolletia occidentalis Harding, Mitzi & Herskovits, Tasya, D. Oquendo 2011-5-5 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Wide sandy canyon wash (Stop 1) 1149 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
  UCR265850  Nicotiana Mitch Provance 2013-4-8 413- 10 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  SD146141  Nicotiana attenuata A. C. Sanders, S. D. Boyd, M. Provance, J. Ross 1998-10-25 22295 Riverside San Jacinto Mtns.: Anza area, 1.1 mi. SE of Hwy 371 on Burnt Valley Road., at northward bend in road, road edge 1341 Comment
  HSC82909  Nicotiana obtusifolia Christopher Davidson 1979-4-4 7737 Riverside Orocopia Mtns., E of Box Canyon on Box Canyon Rd., 15.1 mi. E of Mecca, dirt road to the SE 579 Comment
  RSA784771  Nicotiana obtusifolia Duncan S. Bell 2012-3-18 3175 Riverside Mecca Hills; southeastern section of hills; up a side canyon of the east fork of Hidden Springs Canyon, approximately 1.5 air mile southwest of Hidden Spring. 129 Comment
  RSA799245  Nicotiana obtusifolia Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 733 Riverside South side of the Mecca hills, side canyon roughly 1.3 miles north of turnoff for Painted Canyon on Box Canyon Road 113 Comment
  RSA653435  Nicotiana quadrivalvis Scott D. White 1999-5-24 7398 Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 Comment
  UCR133675  Nicotiana quadrivalvis John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR275351  Nicotiana quadrivalvis T. B. Salvato, Melissa Clemons 2005-6-9 1494 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  CLARK-A1528-5002  Nolina parryi John C. Roos 1965-7-18 Riverside San Jacinto Mountains Comment
  RSA0048402  Nolina parryi subsp. wolfii James R. Shevock 1971-5-8 s.n. Riverside Near Salton View, Joshua Tree National Monument. 1584 Comment
  SBBG267  Notholaena californica H. and M. Dearing 1942-1-10 4784 Riverside Tahquitz Cyn, near Palm Springs Comment
  JOTR34283  Oenothera californica subsp. avita La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3287 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
  POM38728  Oenothera californica subsp. californica Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  RSA355279  Oenothera californica subsp. californica N. C. Cooper 1949-6-29 4306 Riverside West of Pinon Flats, San Jacinto Mountains. 1524 Comment
  RSA653432  Oenothera californica subsp. californica Scott D. White 1999-5-24 7376 Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 Comment
  UC219588  Oenothera californica subsp. californica P. A. Munz 1922-6-23 5782 Riverside Hemet Valley San Jacinto Mts. 1371 Comment
  SEINET10492356  Oenothera chamaenerioides David B. Dunn 1946-3-17 Dunn 2095 Riverside Only plant seen. In ravine on plateau to the e of the springs and main palm group in pushawalla canyon. Indio hills. Comment
  RSA0113587  Oenothera claviformis Henry J. Ramsey, Henry J. Ramsey 1940-4-14 1991 Riverside 50 miles north of Blythe, Colorado Desert. Comment
  UCR84980  Oenothera deltoides A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16216 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  RSA719068  Oenothera deltoides Michael Honer 2005-3-18 2098 Riverside Palen Valley; appx. 3 mi. due E of Desert Center Airport. 134 Comment
  POM355308  Oenothera deltoides subsp. deltoides Douglas Bothwell 1934-3-31 s.n. Riverside Valle Vista, Hemet. Base of San Jacinto Mtns Comment
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Mar 27 2011
  POM355592  Oenothera deltoides subsp. deltoides H. Green 1939-4-1 s.n. Riverside Palm Springs. Comment
  UC20440  Oenothera deltoides subsp. deltoides W. G. Wright 1889-3 1736 Riverside Colorado Desert Comment
  UC874003  Oenothera deltoides subsp. deltoides C. L. Hitchcock 1940-4-4 5944 Riverside Pinto Basin Comment
  SEINET3150336  Oenothera elata subsp. hirsutissima W. B. Crockatt sn Riverside Prado 91 Comment
  RSA0042168  Oligomeris linifolia Duncan S. Bell, Evan Meyer 2014-4-2 6518 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  RSA784726  Oligomeris linifolia Duncan S. Bell 2012-3-18 3213 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
  CDA7545  Oncosiphon piluliferum J. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region; Southeast corner Markham Street and Day Street, Mead Valley area, 2-3 miles southwest of March Air Reserve Base. Comment
  RSA748350  Oncosiphon piluliferum Justin M. Wood 2009-5-15 715 Riverside Romoland, 1/4 mile S of Ethanac Rd, between San Jacinto Rd and Palomar Rd, just S of railroad tracks. 442 Comment
  RSA757825  Oncosiphon piluliferum Michael Wall 2010-5-13 560 Riverside San Jacinto Valley, Gilman Springs Rd. between Hemet and Moreno Valley, east of Mystic Lake between 3.0 and 6.0 miles N of jct. with Sanderson Ave. (Hwy 79) Comment
  UCR280602  Oncosiphon piluliferum R. E. Riefner Jr. 2016-4-24 17- 199 Riverside city of Menifee, Paloma Wash, immediately north of Holland Road and west of Haun Road 445 Comment
  SEINET7342248 Image available Opuntia Marc Baker 1990-5-20 7838 Riverside Southeast of Bernasconi Hills. 433 Comment
  POM83411  Opuntia basilaris var. basilaris J. W. Toumey 1895-4-10 s.n. Riverside Banning. Comment
  RSA296173  Opuntia basilaris var. basilaris B. A. Prigge 1980-8-5 3858 Riverside Whitewater Canyon, 0.5 miles N of trout farm 701 Comment
  RSA696233  Opuntia bigelovii Keith E. Hoffmaster 1933-4-14 s.n. Riverside Palm Springs Comment
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Aug 27 2011
  POM306432  Opuntia chlorotica Scott Haselton 1962-12-28 s.n. Riverside San Jacinto Mountains. Palms to Pines Highway; east side. 1220 Comment
  LA204498  Opuntia engelmannii var. engelmannii F. R. Fosberg; 1932-7-12 8607 Riverside Mission Creek 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-BC254291  Orcuttia californica R. F. Thorne; E. Lathrop 1969-5-19 37971 Riverside Santa Rosa Plateau: Rancho California, Mesa de Colorado, small vernal marsh NW of large vernal marsh 624 Comment
  CLARK-A1528-78  Orcuttia californica Ruth Cooper 1941-6-8 76 K Riverside Menifee Valley Comment
  CAS-BOT-BC355580  Oreostemma alpigenum var. andersonii F. Grinnell Jr. 1908-7-1 s.n. Riverside Tahquitz Valley 2438 Comment
  UCR30101  Orobanche cooperi George K. Helmkamp 1983-4-5 483 32 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  UC64334  Orobanche fasciculata H. M. Hall 1901-7 2599 Riverside San Jacinto Mountains, Tamarack Valley. Comment
  RSA0077923  Orobanche fasciculata Ivan M. Johnston 1917-4-4 s.n. Riverside Andreas Canyon. 243 Comment
  RSA0078559  Orobanche parishii Robert F. Thorne, C. W. Tilforth 1980-5-28 54165 Riverside San Bernardino Mts: Colorado Desert. At E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 mile E of Whitewater Post Office. Comment
  UCR124636  Oryzopsis hymenoides B. C. Templeton, I. W. Clokey 1930-4-9 1018 Riverside Sonoran (Colorado) Desert, North of Palm Springs 400 Comment
  SDSU17529  Oxalis pes-caprae Jerry Jenkins 2001-4-2 2001 -044 Riverside Santa Margarita Ecological Reserve. Stream in side canyon west of S.M. River, UTM zone 6, 481900E, 3700200N. UTM transfered to GIS. 162 Comment
  CSUSB852  Oxalis rubra William A. Hunt 1972-5-25 720525 1 Riverside City of Riverside; UCR campus, Picnic Hill 365 Comment
  RSA64882  Oxytheca emarginata E. C. Jaeger 1922-7-21 5438 Riverside Palms to Pines Trail, east slope of San Jacinto Mts. 1524 Comment
  RSA740917  Oxytheca emarginata Scott D. White, Justin M. Wood 2008-7-10 12445 Riverside San Jacinto Mountains: Fobes Spring 1500 Comment
  SEINET1908452  Oxytheca trilobata A. C. Sanders, Mitch Provance 2008-1 35762 Riverside Peninsular Range; San Jacinto Mtns.: 3/4 mi. NE of Mountain Center, c. 1/4 mile NE of Keenwild Fire Station, near road to helipad. 1463 Comment
  SEINET1908693  Oxytheca trilobata A. C. Sanders, Tim Thomas & T. M. Salvato 2008-1 35622 Riverside Peninsular Range; San Jacinto Mtns: May Valley c. 1.0 mi WSW of Fleming Ranch 1585 Comment
  CAS-BOT-BC121217  Paeonia californica Carl B. Wolf 1936-6-17 7955 Riverside Santa Ana Mtns, Teneja Road, 1.4 mi off Ortega Hwy, on road to La Cienaga 609 Comment
  RSA552760  Paeonia californica Steve Boyd, Orlando Mistretta, Tim Ross 1992-3-31 6746 Riverside San Mateo Canyon Wilderness Area. Morgan Trail from Round Potrero W to junction with Tenaja Trail in N-fork Bear Creek. 671 Comment
  UC1979663  Paeonia californica Darin L. Banks, Steve Boyd 1995-3-15 66 Riverside NW Palomar Mtns., Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. Comment
  CAS-BOT-BC327908  Palafoxia arida Carl B. Wolf 1932-4-26 2969 Riverside Colorado Desert. 3 mi E of Mecca on the Blythe Road 0 Comment
  CAS-BOT-BC327920  Palafoxia arida John H. Thomas 1957-3-30 6528 Riverside 8.1 miles E of Cactus City, about 13 miles E of Coachella. near US Hwys 60 and 70. Colorado Desert. 518 Comment
  CAS-BOT-BC327937  Palafoxia arida Annie M. Alexander; Louise Kellogg 1941-5-12 2163 Riverside Colorado Desert. Road to Black Eagle Mine, Eagle Mountains. 670 Comment
  CAS-BOT-BC327942  Palafoxia arida D. B. Dunn; H. Brown 1947-1-12 2840 Riverside Pushawalla Canyon, Indio Hills Comment
  RSA795926  Palafoxia arida Duncan S. Bell 2009-4-19 283 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  UCR1212  Palafoxia arida Martha McCarthy 1960-3-13 s.n. Riverside Western Colorado Desert, [near Whitewater] side of Hwy 60/99 [now I-10], 2 miles past [east of] the Palm Springs cut-off [approx Hwy 111 junction] 396 Comment
  POM363741  Palafoxia arida var. arida E. A. McGregor 1964-3-24 s.n Riverside Near Desert Center, Hwy 60 Comment
  RSA363739  Palafoxia arida var. arida Geo Cantwell, B. C. Templeton 1935-4-10 s.n. Riverside Dos Palmas Springs, Salton Sea Comment
  UCD159794  Palafoxia arida var. arida Naomi Fraga; Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1419 Riverside Colorado Desert: Northeastern Colorado Desert region: along Palen Road near Highway 177. 170 Comment
  RSA92213  Palafoxia arida var. arida F. W. Peirson 1918-03 4310 Riverside Field near Indio. Comment
  RSA600856  Palafoxia linearis Marjorie D. Clary 1937-7-9 2793 Riverside W side of Colorado Desert: Coral Reef Ranch, Coachella. Comment
  RSA800235  Panicum Justin M. Wood 2010-6-17 2046 Riverside Perris Basin: March ARB, roadside ditch south of Cactus Ave. and west of Heacock St. 473 Comment
  VVC1448  Panicum capillare A. C. Sanders, J. Mac 1996-11-23 19662 Riverside San Bernardino Mtns., Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, E of VAMB Captain 534 Comment
  UCR65272  Panicum capillare var. occidentale Steve Boyd, Orlando Mistretta 1989-7-18 3762 Riverside Peninsular Range, Vail lake area, conflence of Kolb Creek with lake. 427 Comment
  SD217341  Papaver californicum Steve Boyd, Tim Ross 1990-5-11 4629 Riverside Vail Lake area, base of Agua Tibia Mountain, east of Dripping Springs campground of Cleveland National Forest, South of Highway 79. 548 Comment
  UCR280615  Papaver heterophyllum Mitch Provance, Jeremiah George, Matt K. Beyers 2017-4-3 417- 03 Riverside Gavilan Hills, Alberhill Canyon, dirt road portion of Lake St., about 0.8 miles N of Hwy. 15 at Alberhill. 457 Comment
  CAS-BOT-BC274190  Pappostipa speciosa H. M. Hall 1899-5-1 1177 a Riverside San Jacinto Mountains. El Toro Mt. Comment
  UCR49218  Parietaria hespera var. californica Steve Boyd 1986-4-2 1596 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  CAS-BOT-BC413393  Parietaria hespera var. hespera Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater 304 Comment
  RSA525227  Parietaria hespera var. hespera Steve D. Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4604 -B Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  SD113585  Parkinsonia florida Darley F. Howe 1952-4-27 2186 Riverside Box Canyon east of Mecca. Comment
  UCD170848  Parkinsonia florida A. C. Sanders; T. B. Salvato, Mitch Provance 2000-4-25 23368 Riverside Coachella Valley, east side of Coachella Canal between I-10 and Ave. 52, east of Coachella. 24 Comment
  UCR87648  Parkinsonia florida A. C. Sanders 1994-6-1 14621 Riverside Sonoran (Colorado) Desert, Box Canyon in the Mecca Hills, c. 4.5 mi below Shaver's Well, 12 mi southwest of the Box Canyon Road intersection with Hwy I-10 150 Comment
  SEINET10450579  Parkinsonia torreyana Carl B. Wolf 1932-4-26 Wolf 2981 Riverside 8 mi. E of Mecca, on Blythe Road. 91 Comment
  RSA698049  Parosela mollis J. Russell Bruff 1929-12-28 448 Riverside 1 mi. S.E of Dos Palmas. Comment
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Apr 28 2011
  RSA38494  Pectis papposa P. A. Munz 1946-10-20 11574 Riverside Palms to Pines Hwy, 11.5 miles south of Palm Springs to Indio Road. 1037 Comment
  RSA608161  Pectis papposa var. papposa Steve Boyd, Valerie Soza, Tasha La Doux 1997-10-13 10049 Riverside Sonoran (Colorado) Desert Chuckwalla Mtns, NW base of the range, south of Eagle Mine Rd exit on Hwy I-10. 426 Comment
  RSA782001  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-12 110 Riverside Rice Valley Dunes, Rice Valley Wilderness. Highway 62 toRice Valley Dunes Road to Midland Vidal Road (Power Line Access Road). South/South east side of dunes. 244 Comment
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Apr 1 2019
  POM368837  Pectocarya heterocarpa Bruce M. Crawford 1932-2-22 s.n. Riverside Near Santa Ana River Comment
  RSA777852  Pectocarya heterocarpa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 842 Riverside Chuckwalla Mountains Wilderness, off Corn Spring Road. Large wash draining out of large canyon in Chuckwalla Mountains, draining through pavement plain bajadas 396 Comment
  UCR249666  Pectocarya heterocarpa T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7304 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  VVC2449  Pectocarya heterocarpa Tim Thomas 2013-3-18 5936 Riverside Sonoran Desert, 10 miles WSW of Blythe NE of Mule Mtns. 116 Comment
  RSA708432  Pectocarya linearis Scott D. White 2005-3-29 10847 Riverside Cabazon. Alluvial fan and benches west of San Gorgonio river and south of I-10 Freeway. West of existing gravel quarry, likely to be proposed for quarry expansion. 585 Comment
  UCR107715  Pectocarya linearis A. C. Sanders 1997-3-1 19744 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
  UCR225147  Pectocarya linearis Dave Silverman, Cindy Hopkins, Jamison Miner 2008-3-31 7020 Riverside SE of Banning, old gravel pit/dump E of water treatment facility, along Smith Creek, 320 m S of East Westward Ave. 628 Comment
  UCR225713  Pectocarya linearis A. C. Sanders 2011-3-30 38914 Riverside Peninsular Range; SE edge Gavilan Hills, along north side of Hwy 74 at Riverside Street, just outside city limits of Lake Elsinore 479 Comment
  UCSB10518  Pectocarya linearis subsp. ferocula Haller, John 1957-3-23 Riverside Morongo Wash; ca. 4.5 rd. mi. N of US 99; and 3 air miles S. of Riverside-San Bernardino Co. Line 609 Comment
  UC1922397  Pectocarya platycarpa Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1429 Riverside Colorado Desert; Northeastern Colorado Desert region; Along Palen Road near Hwy 177. 170 Comment
  POM368817  Pectocarya recurvata F. R. Fosberg 1932-3-13 10628 Riverside Thousand Palm Canyon, Coachella Valley Comment
  RSA799403  Pectocarya recurvata Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 744 Riverside North side of the Mecca hills, side canyon between the head of Box Canyon and Shavers Well, roughly 7.4 miles from Interstate 10 on Box Canyon Road 305 Comment
  UC2015648  Pectocarya recurvata A. C. Sanders with G. Helmkamp, P. MacKay, et al 1995-3-19 16151 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 Cyn. Dr.) Comment
  UCR224251  Pectocarya recurvata A. C. Sanders 2011-3-23 38804 Riverside Peninsular Range; Gavilan Hills Region, powerline corridor, SW of Perris, east of Hwy 74 between the highway and the San Jacinto River, south of Ethanac Rd. 440 Comment
  UCR256746  Pectocarya recurvata T. B. Salvato, Matthew Malle 2013-4-11 7535 Riverside Gavilan Hills, southeastern slopes, hill above Black Powder Canyon and c. 0.5 mi north of the Temescal Canyon 419 Comment
  UC1125726  Pedicularis densiflora H. A. Jensen Mar 1934 318 Riverside head of Tin Mine Canyon (Cleveland N.F.) 853 Comment
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Oct 30 2011
  RSA33509  Pellaea andromedifolia var. andromedifolia Norman C. Cooper 1944-5-7 1197 Riverside Banning 701 Comment
  SBBG89093  Pennisetum setaceum D. Hawks 1986-4-17 Riverside Whitewater River channel, 1 mi S of Interstate 10 and 2 mi W of Indian Ave 850 Comment
  UC597590  Penstemon californicus Philip A. Munz 1937-5-31 15122 Riverside Kenworthy , Kenworthy (s end of San Jacinto Mts.) 1371 Comment
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Mar 25 2011
  SEINET3079731 Image available Penstemon centranthifolius J. Easton 1987-4-23 Riverside E of Anza along Hwy 371, Hamilton Creek Canyon. 1249 Comment
  RSA96998  Penstemon centranthifolius R. M. Straw 1953-6-6 460 Riverside 6.6 mi. S. of Banning on Idyllwild Road. Comment
  LA35546  Penstemon clevelandii Ronald A. Cross; April 1952 - May 1952 sn Riverside Santa Rosa Mountains, near junction of Santa Rosa Trail & California Hwy 74 Comment
  POM11199  Penstemon clevelandii subsp. connatus Philip A. Munz 1922-7-1 5931 Riverside Santa Rosa Mountains: Old Nicholas Canyon. 1463 Comment
  RSA152391  Penstemon clevelandii subsp. connatus R. C. Bacigalupi, Heckard 1953-5-5 4074 Riverside Along the Palms-to-Pines Hwy 74, above Seven Level Hill, western slope of Deep Canyon, about 1/2 way between the Santa Rosa Mountains and the San Jacinto Mountain slopes bordering west side of Coachella Valley Comment
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Nov 19 2011
  SD119896  Penstemon heterophyllus var. heterophyllus Louis B. Ziegler 1968-6-3 304 Riverside San Jacinto Mountains - Bautista Canyon, in wash of dry creek 762 Comment
  UCR35264  Penstemon labrosus L. B. Ziegler 1967-7-27 193 Riverside Peninsular Range; San Jacinto Mtns., Thomas Mtn. 2043 Comment
  CLARK-A1528-4315  Penstemon pseudospectabilis John C. Roos 1949-4-10 4227 Riverside Chuckwalla Mountains Comment
  RSA401811  Penstemon spectabilis Martha Hilend 1928-4-8 170 Riverside Lake Elsinore, about 3 miles west of lake. Comment
  UCR139091  Penstemon spectabilis Scott D. White 1997-5-18 5184 Riverside San Jacinto Mtns., 'Black Mountain Scenic Area,' Black Mountain Trail between Hwy 243 and Cinco Poses Trail junction 1829 Comment
  RSA621904  Penstemon spectabilis var. spectabilis Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-4-2 3221 Riverside Vail Lake area, riparian woodland area at N end of Kolb Creek, near campground. 457 Comment
  UCR193899  Pentachaeta aurea A. C. Sanders, Mitch Provance 2008-7-11 35782 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  RSA0015690  Pentagramma triangularis Duncan S. Bell 2013-9-29 6048 Riverside Chuckwalla Mountains; on the south side of Corn Springs Wash approximately 1.8 air miles southwest of Corn Spring. 648 Comment
  UCR91555  Pentagramma triangularis subsp. maxonii A. C. Sanders, G. K. Helmkamp, L. Lubinsky, C. L. Sanders 1995-1-29 15898 Riverside San Jacinto Mtns/Colorado Desert, Chino Canyon near Palm Springs, 1.8 mi above Palm Canyon Rd (Hwy111) on the rd to the tram station, vicinity of the upper end of the flood control dike 428 Comment
  RSA772010  Pentagramma triangularis subsp. triangularis Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4961 Riverside San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  UC63690  Perideridia parishii subsp. latifolia H. M. Hall 1897-8-16 851 Riverside San Jacinto Mt.; bogs and meadows 2499 Comment
  CAS-BOT-BC77477  Peritoma arborea var. angustata Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  CAS-BOT-BC355985  Perityle emoryi Carl B. Wolf 1932-4-27 3062 Riverside Colorado Desert. 5 mi. E. of Desert Center. No. base of Chuckwalla Mts. 152 Comment
  JOTR35343  Perityle emoryi Harding, Mitzi, Mark Wheeler 2012-2-28 110 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; steep-walled, shallow, north-flowing canyon with rocky wash bottom (Stop 4) 361 Comment
  POM41582  Perityle emoryi Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  UC708744  Perityle emoryi H. K. Wagnon 1944-5-25 397 Riverside n side near falls Tahquitz Canyon; Palm Springs Comment
  UCR202042  Perityle emoryi Denise Woodard 1998-6-11 s.n. Riverside Sonoran (Colorado) Desert, base of Santa Rosa Mtns. at mouth of Cathedral Canyon, border between Rancho Mirage and Cathedral City, site of proposed Ritz-Carlton Rancho Mirage/ Cathedral Canyon Golf Course 305 Comment
  UCR244877  Perityle emoryi Jim Andre 2012-3-19 21385 Riverside Sonoran (Colorado) Desert, Palen Mountains, along Palen Pass Rd at Palen Pass 383 Comment
  SEINET10875493  Perityle emoryi David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2897 Riverside Pushawalla Canyon Biota. Indio Hills. In dry wash. Comment
  SEINET4407678 Image available Perityle emoryi M. O. Dillon, D. Dillon 1987-1 4850 Riverside rocky slopes near Earp, ca. 17 mi. E of Vidal Jct. off Hwy. 62 150 Comment
  CAS-BOT-BC419046  Persicaria lapathifolia Philip A. Munz 1935-10-21 14653 Riverside Santa Ana River below Rincon Comment
  UC1280883  Petalonyx thurberi H. E. McMinn 1935-6-27 4058 Riverside wash s. of Palm Canyon Comment
  UCR147738  Petalonyx thurberi Steve Boyd, Et al. 2004-5-14 11257 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
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Mar 19 2016
  JOTR33790  Petalonyx thurberi subsp. thurberi La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3103 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road Comment
  SFV17212  Petalonyx thurberi subsp. thurberi J. W. Dole 1980-11-1 s. n. Riverside Snow Creek road, 1 mile from junction of Highway 111 and Interstate Highway 10. 360 Comment
  SD146140  Petunia parviflora A. C. Sanders, D. Bramlet, M. Costea, T. Salvato 1999-10-15 23174 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. 433 Comment
  UCR34118  Petunia parviflora Lance F. Howard 1984-5-10 019 Riverside Riverside: E side of the Santa Ana River, about 300 m south of Mission Blvd. Bridge 240 Comment
  CLARK-A1528-2028  Peucephyllum schottii John C. Roos 1966-2-5 Riverside Indio Hills Comment
  JOTR36012  Peucephyllum schottii Harding, Mitzi, T. Herskovits 2012-3-16 219 Riverside Joshua Tree National Park. Eagle Mountains, Cholla Wash Comment
  SEINET10941524  Peucephyllum schottii David B. Dunn, A. Folsom 1948-6-17 Dunn 3813 Riverside Near quad three. At camp in Pushawalla; canyon under palms. Comment
  RSA21752  Phacelia ambigua Carl B. Wolf 1937-4-6 8424 Riverside Coachella Valley, 2 mi. NE. of Edom 30 Comment
  SD216487  Phacelia brachyloba Jay B. Walker 1995-5-4 1416 Riverside San Bernardino National Forest. Highway 74, 3 kilometers east of junction with Santa Rosa Mountain Road. 1399 Comment
  UCR102736  Phacelia campanularia B. G. Pitzer 1998-1-25 3429 Riverside Lakeview Mtns., Warren Road, just below water tank at base of hills, W side of road c. 0.5 mi. NE of Juniper Flat Road 610 Comment
  RSA771630  Phacelia campanularia subsp. campanularia Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4992 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 732 Comment
  SDSU18658  Phacelia campanularia subsp. campanularia Michael G. Simpson, Kristen Hasenstab 2008-4-2 2948 Riverside Joshua Tree National Park. Wash just southwest of road to Cottonwood Spring, ca. 0.4 mile northwest of Cottonwood Spring. 922 Comment
  SD260054  Phacelia campanularia subsp. vasiformis J. Andre 2012-4-11 20781 Riverside Joshua Tree National Park; NW Eagle Mtns, along dirt road to Black Eagle Mine, 0.7 mi. east of road to Cottonwood Spr (Utah Trail), 34 mi. south of Hwy 62 at 29 Palms. Interface of steep rocky hills and large wash. 729 Comment
  UC68747  Phacelia campanularia subsp. vasiformis H. M. Hall Apr. 1905 5996 Riverside Cottonwood Pass Colorado Desert 670 Comment
  POM99023  Phacelia campanularia subsp. vasiformis E. C. Jaeger 1926-4-26 s.n. Riverside Eagle Mts, 30 miles E of Mecca Comment
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Sep 7 2011
  UCR117619  Phacelia cicutaria var. hispida Scott D. White 1997-5-25 5245 B Riverside Peninsular Range; Perris Basin, Winchester Area: Hills south of Patton Ave. and west of Winchester Road, c. 2 air mi SW of the junction of Winchester Road and Simpson Avenue 549 Comment
  SBBG11798  Phacelia crenulata H. and M. Dearing 1937-4-10 1452 Riverside 16 mi N of Indio Comment
  RSA0042167  Phacelia crenulata var. ambigua Duncan S. Bell, Evan Meyer 2014-4-2 6519 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  UCR102953  Phacelia crenulata var. ambigua George K. Helmkamp 1998-4-4 3152 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  HSC66622  Phacelia distans Christopher Davidson 1979-4-4 7726 Riverside Orocopia Mtns., E of Box Canyon on Box Canyon Rd., 15.1 mi. E of Mecca, dirt road to the SE 579 Comment
  RSA426250  Phacelia distans H. de Forest, Jack Rempel 1934-4-14 19807 Riverside San Gorgonio Pass. 602 Comment
  RSA85090  Phacelia distans J. C. Roos 1952-4-9 5493 Riverside Riverside, W face of Mt. Rubidoux. 400 Comment
  UCR91737  Phacelia distans A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18097 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  UC219582  Phacelia imbricata subsp. patula P. A. Munz 1922-7-8 6060 Riverside Fern Valley San Jacinto Mts. 1767 Comment
  CAS-BOT-BC145043  Phacelia keckii John Thomas Howell 1931-5-30 6611 Riverside Santiago Peak, Santa Ana Mts. 1219 Comment
  HSC35440  Phacelia minor A. M. Montalvo, J. D. Ackerman 1975-6-26 530 Riverside Hwy. 74 between San Juan Capistrano and Lake Elsinor, 1/4 mi. W of Upper San Juan Campground Cleveland National Forest Comment
  UCR263758  Phacelia minor J. M. Porter, Lauren E. Machen 1997-2-15 11418 Riverside Gavilan Hills, north of Hwy I-15 at the Lake Street/Walker Canyon exit, 4.4 mi northeast of the Hwy 74 exit a t Lake Elsinore 390 Comment
  JOTR36431  Phacelia neglecta La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3403 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
  PASA1332  Phacelia parryi 1929-3-3 Riverside Near Whitewater Comment
  RSA428153  Phacelia parryi Lockheart Muchmore 1929-4-12 8354 Riverside Near Lake Elsinore. Comment
  RSA654550  Phacelia parryi Bruce Albert 1982-4-17 80 Riverside Field north of Santa Rosa road, 5.7 miles east of Lake Mathews Road. Comment
  UCR131795  Phacelia ramosissima Mitch Provance 1998-5-24 532 B Riverside Jurupa Mtns., Belltown area, 'Belltown Hill', small knoll near the E corner of Agua Mansa Rd. and Crestmore Rd./ Market St. 299 Comment
  UCR162053  Phacelia tanacetifolia T. B. Salvato 2003-4-15 175 Riverside Box Springs Mtns, University of California, Riverside. Road leading to Botanic Garden 396 Comment
  SD90578  Phalaris caroliniana Robert F. Thorne, Earl Lathrop 1969-5-12 37951 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California, small vernal marsh 625 Comment
  CAS-BOT-BC250728  Phalaris paradoxa John C. Roos 1952-5-21 5702 Riverside San Jacinto river bottomland 1 1/2 miles southeast of Perris 426 Comment
  RSA666711  Phalaris paradoxa A. C. Sanders, T. B. Salvato 2001-5-25 24383 Riverside San Jacinto Valley: west edge of Hemet, north side of Hwy 74 (Florida Ave.) at Warren Rd., 33 deg 44.5'N, 117 deg 02'W; T5S R1W S7 SW/4 of SW/4; T5S R5W S12, SE/4 of SE/4) 457 Comment
  UCR182516  Phalaris paradoxa Mitch Provance 2005-5-17 6569 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
  CAS-BOT-BC253559  Phleum alpinum Carl B. Wolf 1932-8-5 3956 Riverside 1st real, wet meadow on trail from Tahquitz Valley to San Jacinto Peak, San Jacinto Mountains 2743 Comment
  UCR2659  Phleum alpinum F. M. Reed 1908-7-14 2474 Riverside San Jacinto Mtns., Meadow in Round Valley 2744 Comment
  RSA206251  Phlox austromontana Reid V. Moran 1968-8-3 15364 Riverside 1 mile NW of Toro Peak. 2250 Comment
  POM3518  Pholistoma auritum Robinson, Crocker 1916-3-29 s.n. Riverside Santa Ana Mountains, canyons near Murietta. Comment
  UCR135813  Pholistoma auritum A. C. Sanders, Guy Bruyea 2004-4-2 27444 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 335 Comment
  UCD102028  Phoradendron bolleanum Steve Boyd 1985-12-14 1193 Riverside Gavilan Hills, Harford Springs County Park. Comment
  CLARK-A1656-722  Phoradendron californicum Theo Glenn 1981-3-14 Riverside Whitewater Canyon Comment
  LA209837  Phoradendron californicum S. Atsatt; 1926-4-17 sn Riverside Palm Springs Comment
  RSA420777  Phoradendron californicum Anstruther Davidson 1901-02 s.n. Riverside Near Palm Springs, base of San Jacinto Mtns. Comment
  UC536860  Phoradendron californicum M. C. Jones 1934-2-18 Riverside Colorado Desert, Whitewater Canyon Comment
  RSA132708  Phoradendron densum Del Wiens 1954-10-19 961 Riverside Palms to Pines highway, btwn. Keen Camp and Palm Desert, Hgwy # 74.Pinyon-Juniper WoodlandParasictic on juniper. Comment
  UCR1488  Phoradendron densum Howard York 1962-4-5 s.n. Riverside San Jacinto/Santa Rosa Mtns., Pinyon Flats Campground, Hwy 74 1220 Comment
  CDA22387  Phoradendron macrophyllum R. L. McClain 1958-4-7 Riverside V. E. Boyer property, Thornton Street & Hemet Avenue, Hemet. 0 Comment
  UCR91927  Phoradendron pauciflorum George K. Helmkamp, E. A. Helmkamp 1995-11-16 3- 01 Riverside San Jacinto Mtns., At Humber Park NE of Idyllwild. 2000 Comment
  RSA703403  Physalis crassifolia LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda L. Worlow 2005-2-17 1455 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  SBBG99847  Physalis crassifolia W. L. Halvorson 1977-3-25 77 -198 Riverside N of Mecca, N of Salton Sea Comment
  SD111893  Physalis crassifolia Barbara Ertter, Jeffrey Strachan 1980-5-20 3467 Riverside West side Whitewater Hill, east side Whitewater Wash, northwest end of Coachella Valley north of I-10. 456 Comment
  UCD126803  Physalis crassifolia Geoffrey Levin 1976-10-17 1184 Riverside Box Canyon, about 11 miles east of Mecca. Mountain Range: Mecca Hills. Salton Sea Drainage Area. 91 Comment
  UCR244424  Physalis crassifolia Jim Andre 2012-4-16 20919 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd, 3.1 mi. north of south entrance, 4.1 mi. north of I-10 788 Comment
  UCSB9400  Physalis crassifolia Beeks, Richard 1952-4-4 Riverside Seven miles north of Mecca in Boy Canyon Comment
  RSA637527  Physalis philadelphica Scott D. White 1998-9-4 7122 Riverside Beaumont: 'Oak Valley Golf Course' Flood detention basin along intermittent channel just above (i.e N side) of golf course. 762 Comment
  UCSB10657  Pinus coulteri Koran, John 1958-4-15 Riverside 3.5 miles east of Idyllwild on main Hwy. to Banning 1463 Comment
  SEINET10849813  Pinus jeffreyi Karen M. Meyer, Andrew Townesmith; Tracy Scott 2007-3-16 Meyer 20 Riverside San Bernardino National Forest. East off of Hwy. 243 at Marion Mt. camping area. Mixed Pine forest and Oak. 1921 Comment
  MACF014862  Pinus monophylla Marsha A. Miller 1964-12-5 32 Riverside Highway 74, roadside 1219 Comment
  JEPS46873  Pinus ponderosa W. L. Jepson and Hall 1901-1 Riverside Santa Rosa Indian Reservation Comment
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Apr 2 2014
  UCR113934  Piptatherum miliaceum Mitch Provance, A. C. Sanders 2000-7-4 2100 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR95717  Piptatherum miliaceum D. L. Banks, V. W. Steinmann 1996-4-20 0896 Riverside Peninsular Range; Agua Tibia Mtns, NW Palomar Mtns; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California- Emerson Oaks Reserve 537 Comment
  RSA612851  Pisum sativum D. L. Banks 1997-3-1 1365 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  UCR41373  Pityrogramma triangularis var. triangularis N. M. Fellows 1985-1-5 55 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mtn., 1 mi west of Snow Creek Village 506 Comment
  UCR266470  Plagiobothrys acanthocarpus Mitch Provance, Robin Kinmont 2015-3-27 315- 51 Riverside Perris-Aguanga Basin Region, French Valley, Leon Rd. (unmarked dirt portion), along SCE transmission route between Benton Rd. and Auld Rd. 411 Comment
  UCR127363  Plagiobothrys canescens A. C. Sanders, D. Malueg 2003-5-8 26559 Riverside San Jacinto Valley, San Jacinto Riverbottom, north of San Jacinto and SE of State St. 465 Comment
  UCR228742  Plagiobothrys canescens A. C. Sanders, Nathan Moorhatch 2011-3-22 38798 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland in Menifee Valley, powerline route along McLaughlin Rd. between Palomar Rd. and San Jacinto Rd. 442 Comment
  UCR172204  Plagiobothrys collinus John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley: Leon Road (San Diego Aqueduct right of way) from Borel Road/Tucalota Creek S for c. 0.25 mi 427 Comment
  UCR225614  Plagiobothrys collinus A. C. Sanders 2011-3-30 38920 Riverside Peninsular Range; SE edge Gavilan Hills, along north side of Hwy 74 at Riverside Street, just outside city limits of Lake Elsinore 479 Comment
  SEINET7073472  Plagiobothrys collinus var. californicus A. G. Vestal 1963-4-25 s.n. Riverside Granite Rocks, about 1 mile west of Radec on Route 71 (presently Route 79). Coordinate datum: NAD27. Comment
  RSA80199  Plagiobothrys collinus var. ursinus F. W. Peirson 1922-5-19 3041 Riverside Hemet Valley, San Jacinto Mountains. 1341 Comment
  SD152908  Plagiobothrys fulvus var. campestris Steve Boyd, Tim Ross 1992-5-5 7247 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Isolated grassland area south of Oak Flats, southwest of the Bluewater Trail. 730 Comment
  RSA543871  Plagiobothrys leptocladus Steve Boyd, Dave Bramlet 1991-5-13 6228 Riverside Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. Vernal pool association in pasture of N of Santa Fe RR tracks, W of San Diego Aqueduct Comment
  RSA659779  Plagiobothrys leptocladus J. C. Roos 1966-3-24 s.n. Riverside Edgemont. Comment
  SBBG104102  Plagiobothrys leptocladus A. C. Sanders 1993-4-5 13698 Riverside western edge of Hemet, along S side of Devonshire Ave, between Old Warren and Warren Rds, SW of Tres Cerritos and N of Florida Ave (Hwy 74) 460 Comment
  CLARK-A1045-165  Plagiobothrys nothofulvus George K. Helmkamp 1979-4-27 Riverside Santa Ana Mountains head of De Luz Creek; Wildomar 7.5'Q Comment
  UCR138141  Plagiobothrys tenellus D. L. Banks, V. W. Steinmann 1997-3-13 1447 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  UCR97458  Plagiobothrys tenellus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19876 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  RSA192036  Plantago erecta E. W. Lathrop 1960-6-7 4899 Riverside 14 miles west of Murrieta. Comment
  SEINET7063423  Plantago erecta A. G. Vestal 1947-3-29 s.n. Riverside East of Lake Elsinore. UTM Zone 11, 471878mE, 3726288mN. (WGS84/NAD83). 469 Comment
  UCR97695  Plantago erecta A. C. Sanders, G. Helmkamp 1997-3-15 19970 Riverside Lake Skinner area: lower Rawson Canyon, along the dirt road toward Bachelor Mountain 457 Comment
  SDSU13354  Plantago lanceolata Joseph Verfaillie, Shasta Gaughen 2000-4-29 47 Riverside Santa Margarita Eclogical Reserve North side. The north side of the river about 1/3 mile west of the pipe line crossing. About 15 feet from the river 232 Comment
  JEPS7184  Plantago ovata Rimo Bacigalupi with G. T. Robbins and Keith Harrison 1952-4-2 3604 Riverside off Palms Canyon, at mouth of Andreas Canyon, lower slopes of Mount San Jacinto Mount San Jacinto, Andreas Canyon Comment
  OBI53571  Plantago ovata Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2104 Riverside N end Palen Mts, 2 mi W of Palen Pass 300 Comment
  UCR249524  Plantago ovata T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7293 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  UCR275539  Plantago ovata D. E. Bramlet 2010-3-1 4458 Riverside Sonoran (Colorado) Desert, West Berdoo Canyon, Little San Bernardino Mtns., c. 6 air miles north of Indio 366 Comment
  RSA726575  Plantago ovata var. fastigiata Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1421 Riverside Along Palen Road near Hwy 177. 170 Comment
  CHSC108903  Plantago patagonica Duncan S. Bell; Joy England 2010-5-17 1008 Riverside Peninsular Ranges; San Jacinto Mountains region: San Bernardino National Forest: Rouse Ridge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15. In an open sunny flat. 1045 Comment
  JEPS3566  Plantago patagonica Rimo Bacigalupi 1952-4-2 3605 Riverside off Palm Canyon, at mouth of Andreas Canyon, lower slopes of Mount San Jacinto Mount San Jacinto, Andreas Canyon Comment
  UCR127573  Plantago patagonica D. E. Bramlet 2003-4-18 3374 Riverside Base of San Jacinto Mtns., 2,348m south of Cabazon, 2,012m northwest of Cabazon Peak, and 183m northwest of the Colorado River Aqueduct 548 Comment
  UCR90372  Plantago patagonica D. L. Banks, Steve Boyd 1995-5-3 0293 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  UCR3586  Platanthera dilatata var. leucostachys Frank C. Vasek 1964-7-25 640725- 02 Riverside San Jacinto Mountains, Dark Canyon near Wet Canyon Campground Comment
  CHSC35880  Platanus racemosa James Henrickson 1972-5-21 7193 a Riverside Ca. 13 air mi. W. of Temecula in Matec Cyn. along Tenaja Rd. in flat area above steep falls along rd; ca. 4 mi. N. of Tenaja Campground. 457 Comment
  RSA588170  Platanus racemosa D. L. Banks, Victor W. Steinmann 1995-7-10 748 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
  LA206295  Platystemon californicus A. L. Haines; L. Erickson 1937-4-9 sn Riverside Hemet road near Winchester turnoff Comment
  RSA0013020  Platystemon californicus LeRoy Gross, Grace Cho 2013-4-9 6004 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  UC50136  Platystemon californicus Geo. F. Reinhardt June, 1897 Riverside San Jacinto Mountains Comment
  POM128393  Plectritis ciliosa subsp. insignis Thomas Craig 1927-4-23 216 Riverside Glen Ivy. Comment
  RSA780232  Pleuraphis rigida Stephanie Rockwood, Christi Gabriel 2011-10-12 111 Riverside Rice Valley Dunes, Rice Valley Wilderness. Highway 62 toRice Valley Dunes Road to Midland Vidal Road (Power Line Access Road). South/South east side of dunes. 244 Comment
  SBBG14312  Pleuraphis rigida H. and M. Dearing 1936-12-25 Riverside Thousand Palms Comment
  SBBG62649  Pleurocoronis pluriseta L. G. Yates -Apr-1895 Riverside Palm Springs Comment
  UC485541  Pleurocoronis pluriseta F. M. Reed 1917-5-19 3866 Riverside Palm Canyon Colorado Desert Comment
  UCR30078  Pleurocoronis pluriseta George K. Helmkamp 1983-4-5 483- 19 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  POM56713  Pluchea sericea C. F. Baker 1903-4-4 4148 Riverside Elsinore. Comment
  UC485232  Pluchea sericea unknown May 1 1906-May 10 1906 1010 -6754 Riverside Palm Springs Colorado Desert Comment
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Apr 17 2011
  UCR89811  Pluchea sericea Scott D. White 1993-5-27 1411 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  CAS-BOT-BC255663  Poa bigelovii S. B. Parish 1907-4-18 6139 Riverside Tahquitz Canon, W edge of the Colorado desert 200 Comment
  SD156727  Poa bulbosa Unknown 1940-4-30 Riverside Temecula Comment
  UCR121696  Poa bulbosa A. C. Sanders 2002-5-4 25042 Riverside San Jacinto Mtns., Idyllwild, Pine Crest Ave., NE of Hwy 243 1677 Comment
  CLARK-A1528-4828  Poa pratensis John C. Roos 1952-5-7 5622 Riverside Edgemont 487 Comment
  RSA741431  Poa secunda Scott D. White, Justin M. Wood 2008-6-18 12246 Riverside Meadow N/W of Keen Camp Summit, S/W of hwy 79. 1402 Comment
  UCR133398  Poa secunda Tracy Tennant, J. S. Ross 1998-5-7 MOR- 109 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Wood Canyon (polygon W8), c. 0.6miles NNW of Cabazon. 1280 Comment
  RSA664940  Polygala cornuta var. fishiae J. C. Roos 1960-5-30 s.n. Riverside Ridge east of Sugarloaf Pk. 1067 Comment
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Sep 15 2008
  CAS-BOT-BC414404  Polygonum douglasii H. M. Hall 1901-7-1 2446 Riverside San Jacinto Mountains 2438 Comment
  JOTR37487  Polypogon monspeliensis Hodges, Stephen R., M. Vamstad 2016-3-22 616 Riverside Joshua Tree National Park. Eagle Mountains, South of Eagle Mine, Buzzard Springs Comment
  IRVC168  Polystichum imbricans subsp. curtum Tony Price 1965-4-24 HS 555 Riverside Highway 74; 1.5 miles W of Dripping Springs Gaurd Station. Comment
  UCR139638  Populus fremontii A. C. Sanders 2004-6-30 28394 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  UC1134759  Populus fremontii subsp. fremontii A. Lewis Feb 1934 261 Riverside 2 1/2 mi ne Auburndale; Corona Quad. Comment
  RSA472193  Porophyllum gracile Robert Gustafson 1981-4-7 2151 Riverside Salt Creek Wash, southern end of the Orocopia Mts. 91 Comment
  UC667273  Porophyllum gracile Annie M. Alexander and Louise Kellogg 1941-5-9 2141 Riverside Cottonwood Spring Eagle Mountains 883 Comment
  UCR156464  Portulaca oleracea T. B. Salvato, A. C. Sanders 2005-5-17 890 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  JEPS396  Potamogeton diversifolius Carl V. Meyer 1928-7-27 567 Riverside Hidden Lake; San Jacinto Mountains 2651 Comment
  POM366544  Potentilla glandulosa var. nevadensis M. B. Dunkle 1933-7-22 3747 Riverside Tahquitz Valley. 2317 Comment
  UC415580 Image available Potentilla gracilis var. fastigiata H. E. Hasse 1892-7-1 5696 Riverside Strawberry Valley; ; Strawberry Valley, San Diego Co. [formerly] Comment
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Dec 11 2006
  CAS-BOT-BC216522  Prosopis pubescens Alice Eastwood 1913-4-30 3062 Riverside Palm Springs Comment
  SEINET10943907  Prunus J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12848 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
  RSA652820  Prunus fasciculata Colleen Callan 1992-5-2 23 Riverside Yucca Valley. 10 freeway east to Highway 62 east. North on Hwy 247. West on Pipes Canyon Road for Five miles. 1250 Comment
  UC1713767  Prunus fasciculata S. B. and W. F. Parish 1197 Riverside Fls., Morongo, Mts. of Colorado Desert, April, Fr., Mts. of Mojave Desert, May, 1882 Comment
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Feb 16 2013
  CAS-BOT-BC151121  Prunus fremontii W. R. Dudley 1903-12-25 s.n. Riverside Tahquitz Canyon Comment
  POM13906  Prunus fremontii Philip A. Munz 1922-3-12 4707 Riverside Andreas Canyon, Palm Springs. [Santa Rosa Mtns., W margin Colorado Des -SW] Comment
  RSA263753  Prunus ilicifolia E. W. Lathrop 1969-5-8 7007 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  CAS-BOT-BC356335  Psathyrotes ramosissima Ynez Whilton Winblad 1937-4-23 s.n. Riverside Box Canyon Comment
  RSA726519  Psathyrotes ramosissima Naomi Fraga, Lisa Rojas 2005-2-10 1403 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  UC990729  Psathyrotes ramosissima Roxana S. Ferris 1953-3-10 12603 Riverside Thousand Palms Indio Hills Comment
  SDSU13315  Pseudognaphalium biolettii Shawn Johnston, Calf. Taxonomy Class spring 2000 2000-4-1 12 Riverside Santa Margarita Ecological Reserve North end. Comment
  RSA0121381  Pseudognaphalium luteoalbum Duncan S. Bell, LeRoy Gross 2016-3-30 9146 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.75 air miles southeast of the summit of Martinez Mountain. 698 Comment
  SBBG95151  Pseudognaphalium microcephalum S. D. White 1990-10-2 Riverside Vail Lake area, Hwy 79, immediately W of Dripping Springs Guard Station 487 Comment
  UCR264630  Pseudognaphalium ramosissimum Mitch Provance 2012-6-19 196- 06 Riverside San Bernardino Valley, Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave 226 Comment
  SD137881  Pseudognaphalium stramineum Darin L. Banks, Steve Boyd 1995-5-9 371 Riverside North of Agaua Tibia Wilderness, west of Dripping Springs Alcove area, west of Woodchuck Campground 790 Comment
  UCR280605  Psilocarphus chilensis R. E. Riefner Jr. 2017-4-2 17- 143 Riverside city of Hemet, west Hemet, south of west Florida Ave. (SR74), southwest c. 0.35 mi from Lyn Ave. and California Ave. 482 Comment
  JEPS41716  Psorothamnus arborescens var. simplicifolius W. L. Jepson 1914-5-17 5982 Riverside Summit of Cottonwood Mountains = Lookout Mountain!; Mohave Desert 1219 Comment
  LA205189  Psorothamnus emoryi A. M. Johnson; 1933-4-28 4225 Riverside below Palm Springs, over mountains to Hemet Comment
  RSA5395  Psorothamnus emoryi B. D. Stark 1932-6-15 1517 Riverside Whitewater to Indio Road 152 Comment
  UCR131014  Psorothamnus emoryi Karen Kirtland 1998-11-6 s.n. Riverside Sonoran (Colorado) Desert, sand and gravel mine c. 8 miles (airline) north of Blythe, SW of Big Maria Mtns. on Midland Road 137 Comment
  UCR244915  Psorothamnus emoryi Jim Andre 2012-3-19 21356 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177, 8.6 mi. NE of junction with I-10 152 Comment
  SEINET11132326 Image available Psorothamnus emoryi S. B. Parish 1906-5-1 910 a-6725 Riverside Colorado desert at Palm Springs Comment
  LA205162  Psorothamnus fremontii var. fremontii Carl Epling; William Robison 1933-6-24 sn Riverside Little San Bernardino Mountains, San Gorgonio Wash near Banning Comment
  CAS-BOT-BC340873  Psorothamnus schottii S. B. Parish 1896-4-1 4113 Riverside Palm Springs, Colorado Desert Comment
  UCR16202  Psorothamnus schottii S. Nelson 1974-4-13 s.n. Riverside Western Colorado Desert, Deep Canyon, near gate to Deep Canyon Reserve 152 Comment
  UCR268638  Psorothamnus schottii Jim Andre 2012-4-11 20847 Riverside Mojave Desert, Orocopia Mountains, north end of range, along dirt road 2.8 mi due south of Hwy I-10 at Box Canyon Road/Cottonwood Road exit 624 Comment
  UCSB3050  Psorothamnus schottii Wilson, Richard 1958-5-18 Riverside 5 miles East of Pinon Flats on Highway 74 (Calif.) Comment
  RSA404267  Psorothamnus spinosus Howard Mullins 1931-4-11 s.n. Riverside Thousand Palms Comment
  RSA404273  Psorothamnus spinosus Christopher Davidson 1974-6-15 2292 Riverside Interstate 10, ca. 5 mi. E of Chiriaco Summit. 457 Comment
  UC52159  Psorothamnus spinosus E. E. Schellenger July 25 1903-Aug 14, 1903 2 Riverside Chuckawalla Bench, Colorado Desert Comment
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Aug 27 2016
  UCSB3067  Psorothamnus spinosus DeWitt, Jack 1959-5-19 Riverside One mile S on Cathedral City on road to Palm Springs from Palm Desert Comment
  RSA575916  Pteridium aquilinum var. pubescens Steve Boyd 1994-10-14 8376 Riverside Southern Santa Ana Mountains, 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, Fisherman's Camp. 341 Comment
  RSA762186  Pteridium aquilinum var. pubescens Peter Guiden, C. Martinez, N. Fraga, L. McDade 2010-8-14 67 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR268289  Pteridium aquilinum var. pubescens Jim Andre 2012-6-15 30531 Riverside San Jacinto Mountains, Banning, along Hwy 243, 10.7 miles south of Interstate 10, San Bernardino National Forest 1499 Comment
  UCR113133  Pterostegia drymarioides A. C. Sanders 1998-3-11 21679 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near old mine site above San Jacinto Valley, south of end of Warren Rd. 610 Comment
  RSA737352  Pulicaria paludosa Justin M. Wood 2008-9-19 141 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR274938  Pulicaria paludosa S. J. Myers, Vesta A. Myers 2006-9-30 1031 Riverside Perris Valley Storm Drain near Placentia Ave., SW of Lake Perris 435 Comment
  RSA773185  Purshia glandulosa Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4920 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 823 Comment
  CAS-BOT-BC460831  Pyrola aphylla S. B. Parish; W. F. Parish 1892-6-1 1506 Riverside San Jacinto Mts. Comment
  UCR35104  Pyrola aphylla L. B. Ziegler 1966-6-28 071 Riverside San Jacinto Mountains, North Fork of the San Jacinto River (Dark Canyon), above Idyllwild-Banning Road 1677 Comment
  UCR273998  Quercus Mitch Provance 2012-9-11 17622 Riverside Badlands of Western Riverside County, Beaumont, near N base of Mt. Davis, near Cooper's Creek (tributary of San Timoteo Creek), about 2000 ft., along dirt road extension of Risco Circle, S of W 4th St. 762 Comment
  UCSB41270  Quercus X acutidens Cowan, Clark 1978-4-25 Riverside 6.7 mi (10.7 km) SW on 74 from jct w/ 71, 4.6 mi (7.3 km) from Lake Elsinore, Sta. Ana Mts. Cleveland Nat. Forest; Whittaker transect #W-229 Comment
  UCR35009  Quercus X morehus L. B. Ziegler 1966-1 219 Riverside Peninsular Ranges, San Jacinto Mtns., upper Herkey Creek area near May Valley 1555 Comment
  UCR108800  Quercus X munzii Beth Corrigan, John Corrigan 1966-6-13 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument [now Park], Queen Valley area, 200-300 ft. south of Ivanpah Tank 1280 Comment
  CAS-BOT-BC61823  Quercus agrifolia Samuel B. Parish 1891-11-4 2253 Riverside Murrieta Comment
  UCR174133  Quercus agrifolia A. C. Sanders, T. B. Salvato 2006-6-2 33083 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
  RSA476867  Quercus agrifolia var. agrifolia E. Fitzgerald 1929-05 s.n. Riverside Idylwild, San Jacinto Mts. Comment
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Mar 29 2014
  SDSU14184  Quercus agrifolia var. agrifolia Kimberly S Miller, Dr. M. G. Simpson, Derek T Miller 2002-3-17 9 Riverside Santa Margarita Ecological Reserve. Outside north gate. 457 Comment
  UCSB1042  Quercus agrifolia var. oxyadenia Neely, William 1948-10-3 Riverside above Pinyon Flats, Santa Rosa Mts. 1193 Comment
  CAS-BOT-BC516761  Quercus berberidifolia Jeremiah George 2012-8-7 70812 -4 Riverside Beaumont, Western Knolls, north central slope of eastern half of bench between Hwy 60 and Oak Valley Pkwy, E of Potrero Blvd 747 Comment
  RSA192167  Quercus berberidifolia E. W. Lathrop 1965-5-18 5757 Riverside 8 miles W of Murrieta. 610 Comment
  SEINET10678317  Quercus berberidifolia Tracy Scott, Andrew Townesmith; Karen M. Meyer 2007-3-18 Scott 135 Riverside San Bernardino National Forest. San Jacinto Mountains. About 1.7 mi on Little Thomas Mtn. Rd., S of Lake Hemet, from Rt. 74. 1467 Comment
  UCR273029  Quercus berberidifolia Mitch Provance 2012-1-25 17377 Riverside Badlands of Western Riverside County, San Timoteo Canyon, SW end along SCE powerline access roads between El Casco Substation and the Hwy. 60. 677 Comment
  UCSB34694  Quercus berberidifolia Nixon, Kevin; Hendon, Emily 1980-5-23 Riverside 3.3 mi. southwest of Hwy 243 on old Banning-Idyllwild road; San Jacinto Mountains Comment
  UC219577  Quercus chrysolepis P. A. Munz 1922-6-30 5908 Riverside Santa Rosa Santa Rosa Mts. 1981 Comment
  UCD45551  Quercus chrysolepis E. W. Lathrop 1966-5-29 6383 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland Nat'l. Forest, Riverside Co. Elevation 4000 1219 Comment
  UCSB1228  Quercus chrysolepis Neely, William 1948-10-3 Riverside Devil's Slide Trail, Idyllwild, San Jacinto Mts. 2316 Comment
  JOTR32841  Quercus cornelius-mulleri La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1630 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; granitic bouldery slopes above wash 1260 Comment
  CLARK-A1528-529  Quercus dumosa C. M. Flanagan 1973-5-20 OO 517 Riverside Morongo Indian Reservation 1158 Comment
  SBBG119972  Quercus engelmannii A. C. Sanders with M. Misenhelter 2005-3-23 29264 Riverside E slope of Squaw Mtn, Avenida Escala just above Avenida Caleta, N of Tenaja Rd; Santa Rosa Plateau 701 Comment
  UC1135589  Quercus engelmannii R. St. John 1930-3-18 108 Riverside Lakeside Mountain Elsinore Quad. 731 Comment
  UCR106911  Quercus engelmannii D. L. Banks, Lauren Raz 1996-11-5 1163 Riverside NW Palomar Mtns., Pechanga Indian Reservation, south of San Gabriel Church; west of a newly established firebreak along a NW-SE running ridgeline, SW of the water tank in section 34 390 Comment
  RSA5255  Quercus kelloggii Carl B. Wolf 1932-8-6 3992 Riverside Strawberry Valley, at base of Devil's slide Trail to Tahquitz Valley. 1707 Comment
  SDSU6976  Quercus kelloggii Sammuel R. Frank 1962-5-23 Riverside San Jacinto Mountains. Comment
  UCD47074  Quercus palmeri Rudolph Fischer 1965-10-8 3 Riverside East foothills of Thomas Mountain, Santa Rosa Range, State Highway 74, ca. 10 miles south of Keen Camp, Riverside County, California. 1341 Comment
  CAS-BOT-BC362518  Rafinesquia californica Ivan Johnston 1917-4-4 1075 Riverside Colorado Desert. Palm Canyon 304 Comment
  RSA0120465  Rafinesquia californica Duncan S. Bell 2016-4-16 9305 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  RSA543175  Rafinesquia californica Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6085 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
  RSA676271  Rafinesquia neomexicana Scott D. White 2001-4-3 8259 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  SBBG8705  Rafinesquia neomexicana C. H. Muller 1952-4-6 9499 Riverside ca. 2 mi E of Shavers Summit, E of S entrance of Joshua Tree Nat Monument Comment
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Apr 24 2011
  UCR86650  Rafinesquia neomexicana A. C. Sanders, J. Dice, K. Rose, D. Woodard 1995-3-29 16265 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
  RSA199169  Ranunculus aquatilis var. capillaceus Robert F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37457 Riverside Santa Rose Plateau: Mesa de Colorado, Rancho California. 671 Comment
  UC827665  Ranunculus californicus P. A. Munz 1922-4-28 5019 Riverside 5 mi nw Corona 274 Comment
  POM13799  Ranunculus cymbalaria var. saximontanus P. A. Munz 1922-4-30 5139 Riverside Tucalota Creek, south of Hemet Comment
  POM201672  Ranunculus cymbalaria var. saximontanus L. M. Booth 832 Riverside near Chino Creek Comment
  RSA0021855  Ranunculus eschscholtzii var. oxynotus P. A. Munz 1922-7-7 6042 Riverside San Jacinto Peak, near the summit. 3287 Comment
  UCR131792  Ratibida Mitch Provance 1998-6-20 753 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
  UCR140660  Rhamnus californica subsp. tomentella Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 12- 86 Riverside San Jacinto Mtns, San Bernardino National Forest, 10 miles north of Idyllwild on Hwy 243 near Lake Fulmor, Site L12 1637 Comment
  POM319091  Rhamnus ilicifolia Patricia Wilder 1971-9-29 5268 Riverside Along San Jacinto River at north end of Fairview Street, north of Florida Street. Valle Vista; east of Hemet; south side of river 518 Comment
  CSUSB1005  Rhododendron occidentale Stan R. Szarek 1970-11-14 Riverside San Jacinto Mountains San Jacinto Mountains. Collected below campsites at Fuller Mill Creek. Rooted 3 feet from creek. Comment
  UCSB4805  Rhododendron occidentale Kamb, Peter 1946-5-24 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  UCR527  Rhus aromatica Eugene Cardiff, Ken Smith 1954-4-5 s.n. Riverside Upper Santa Ana River/San Bernardino Valley, Jurupa Mountains, northwest of Riverside 671 Comment
  CAS-BOT-BC167965  Rhus ovata H. S. Gentry 1954-7-25 14245 Riverside NW. of Aguanga along road to Sage Comment
  POM14057  Rhus ovata P. A. Munz, D. Keck 1922-4-14 5004 Riverside East of Whitwater Ranch 213 Comment
  POM2725  Rhus ovata I. M. Johnston s.n. Riverside Palm Canyon 762 Comment
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Jul 4 2015
  UCR270181  Rhus ovata A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42395 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
  RSA11581  Rhus trilobata var. anisophylla N. Dunn, A. M. Martin s.n. Riverside Cottonwood Springs. Comment
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Sep 11 2011
  RSA628255  Ribes A. C. Sanders 1994-1-30 14227 Riverside Box Springs Mts. at the head of Two Trees Canyon. Comment
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Feb 16 2013
  RSA263679  Ribes californicum var. hesperium E. W. Lathrop 1968-5-22 6925 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  UC219063  Ribes cereum P. A. Munz 1922-6-28 5878 Riverside ridge w Toro Peak; Santa Rosa Mts. 2407 Comment
  CAS-BOT-BC173134  Ribes indecorum C. L. Hitchcock; C. V. Muhlick 1964-3-17 23111 Riverside 10 miles n. of Pala, along road to Elsinore Comment
  RSA1173  Ribes indecorum B. D. Stark 1930-3-18 1487 c Riverside 1/2 way up west side of Mt San Jacinto. Comment
  CLARK-A1528-1297  Ribes malvaceum Michelle Loef 1943-3-20 120573-2 Riverside San Jacinto Mountains|Fuller Mill Creek 1828 Comment
  UCR87942  Ribes malvaceum var. viridifolium A. C. Sanders 1994-1-30 14226 B Riverside Box Springs Mtns., head of Two Trees Canyon 686 Comment
  UCR174955  Ribes nevadense Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 354 Riverside Peninsular Ranges; San Jacinto Mtns., Parking lot and stream below parking lot on Calif. Hwy 243 across road from Lake Fulmor 1616 Comment
  SEINET9754141 Image available Ribes nevadense Sharon J. McCormick 1976-5-16 Riverside James Reserve, Yellow Pine Forest Comment
  CLARK-A1528-5729  Ribes quercetorum John C. Roos 1952-2-18 5354 Riverside Reche Canyon 761 Comment
  LA205507  Ribes roezlii W. B. Welch; 1928-5-5 sn Riverside San Jacinto Mountains, Idyllwild and Lily Rock Comment
  UCR275362  Ricinus communis T. B. Salvato, Melissa Clemons 2005-6-9 1505 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  UCR119440  Rorippa sphaerocarpa A. C. Sanders, Mitch Provance 1999-9-26 23096 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  RSA653123  Rostraria cristata Mitch Provance 1998-3-20 174 B Riverside Riverside area: Jurupa Mnts., pass west of Rattlesnake Mnts., along the east side of Armstrong Road, ca. 1/8 mile S of the San Bernardino Co. line., 34? 01' 59'' N, 117? 24' 53'' W 95 Comment
  UCR271684  Rumex dentatus Mitch Provance 2011-7-4 17179 Riverside San Bernardino Valley, Northwestern base of the Jurupa Mountains, adjacent to S side of Fontana (technically in an unincorporated part Riverside Co.), retention basin on S side of Philadelphia St., just E of Country Village Rd. 262 Comment
  UCR85578  Rumex dentatus Julie A. Greene 1993-6-11 1331 Riverside San Jacinto Valley, San Jacinto Wildlife Area, north of new pond 441 Comment
  RSA466098  Rumex hymenosepalus N. C. Cooper 1944-4-22 1121 Riverside Banning. 701 Comment
  SEINET156513  Rumex hymenosepalus Norman C. Cooper 1945-3-24 1613 Riverside Cabazon. 457 Comment
  SEINET272344  Rumex hymenosepalus A. C. Sanders, G Helmkamp 1997-3-15 19958 Riverside Lake Skinner Area; NE of Skinner Lake in a tributary to Rawson Canyon along the dirt road. UTM 10km cell: MH-9E 1N. Sk 503 Comment
  UCR86651  Rumex hymenosepalus A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16264 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
  CDA2894  Rumex obtusifolius A. C. Sanders, T. B. Salvato 2001-5-24 24368 Riverside Perris-Aguanga Basin; Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon W of junction of Av. Pina Colada Comment
  UCR274290  Rumex salicifolius T. B. Salvato, Melissa Clemons 2005-6-6 1412 Riverside Peninsular Range, Gavilan Hills, c. 0.75 mile south-southeast of Steele Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore 579 Comment
  UCR100700  Rumex salicifolius var. denticulatus Scott D. White 1997-5-25 5247 A Riverside San Jacinto Mtns, Bautista Canyon: Hixon Trail (USFS No. 2E43), between trailhead at Bautista Canyon Road and intermittent stream crossing at c. 3200 ft 976 Comment
  UC6971  Rumex salicifolius var. salicifolius A. J. McClatchie May 1892 51 Riverside near Elsinore Comment
  IRVC27457  Rumex violascens A. C. Sanders, K. C. Rose 1999-6-18 22829 Riverside upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, S of Winchester Domenigoni Valley 433 Comment
  CAS-BOT-BC103893  Salix exigua Scott D. White 1996-4-14 3927 Riverside E of Hemet: San Jacinto River Wash near Valle Vista, N of Hwy. 74, ca. 1.7 mi W of USFS Cranston Fire Station. 550 Comment
  UCR140317  Salix gooddingii A. C. Sanders, Guy Bruyea 2004-4-2 27409 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  UCR214684  Salix gooddingii A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37670 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, N of Temescal Canyon Rd. and NW of Concordia Ranch Rd., NW of horse racing track 366 Comment
  LA208713  Salix jepsonii E. McClintock; 1938-4-10 sn Riverside Humphries Reservoir, Soboba Indian Reservation, San Jacinto Comment
  UC717265  Salix laevigata W. A. Setchell and Victor Duran 1935-4-17 8 a Riverside 14 mi from Hemet (on way to Aguanga) Comment
  UC914202  Salix laevigata Charles B. Fiker 1946-4 3354 Riverside road dip s. of Temecula bridge (on Hwy. 395, at upper end of sand pit next to fence) Comment
  UCR228874  Salix laevigata A. C. Sanders 2011-4-6 39016 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  CSUSB919  Salix lasiandra Oscar F. Clarke, M. Alexander 1971-3-31 Riverside Santa Ana River Santa Ana River bottom, in (city of) Riverside. Union Pacific Bridge. Comment
  JOTR36411  Salix lasiolepis La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3359 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  UCR169309  Salix lasiolepis T. B. Salvato, John F. Green 2004-5-27 594 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
  RSA772578  Saltugilia australis Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5047 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
  RSA0095107  Saltugilia australis N. C. Cooper 1944-5-20 1281 Riverside Palms to Pines Highway, San Jacinto Mountains. 1220 Comment
  RSA152099  Saltugilia splendens Wesley O. Griesel 1962-6-29 s.n. Riverside San Jacinto Mountains: Dark Canyon. 1921 Comment
  RSA185451  Saltugilia splendens Clare B. Hardham 1965-6-17 12917 Riverside San Jacinto Mountains: Lake Fulmer. Comment
  UCR115922  Salvia apiana Mitch Provance 1998-4-24 1115 Riverside Riverside, c. 1 mile SW of the corner of Trafalgar Ave. and Alessandro Blvd. 366 Comment
  UCLA70110  Salvia carduacea L. Haines and L. Erickson 1937-4-9 Riverside near Winchester Comment
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Mar 20 2011
  UC1979530  Salvia columbariae Darin L. Banks, Steve Boyd 1995-4-5 133 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, along the Dripping Springs Trail. Comment
  UCR214321  Salvia columbariae A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38381 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  SEINET13947334 Image available Salvia columbariae C. L. Hitchcock 1966-1 24155 Riverside 1 mi E of Glen Ivy hot springs. Comment
  RSA6729  Salvia eremostachya B. D. Stark 1933-4-2 4537 Riverside 3 miles below Pinyon Flats, San Jacinto Mts. (Palms to Pines Road). 1067 Comment
  UC63769  Salvia eremostachya H. M. Hall May 17 1901-Jun 1 1901 1863 Riverside e base San Jacinto Mts. 609 Comment
  RSA659478  Salvia greatae J. C. Roos 1958-3-29 s.n. Riverside Salt Creek Wash, 3 miles N of Coachella Canal on E base of Orocopia Mtns. 305 Comment
  UCR18806  Salvia greatae John C. Roos 1963-11-2 s.n. Riverside Sonoran (Colorado) Desert, Salt Creek wash c. 3 mi NE of Dos Palmas Spring Comment
  RSA717684  Salvia mellifera A. C. Sanders 2004-5-5 27775 Riverside Gavilan Hills; route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, ca. 0.25 mi. NNW of Harford Spring, ca. 1.2 mi. NE of Gavilan Peak. 579 Comment
  SBBG99475  Salvia mellifera W. L. Halvorson 1977-4-1 77 -224 Riverside 5 mi S of Temecula on Hwy S16 Comment
  SDSU12925  Salvia mellifera Jutta Buschbom 1991-6-20 40 b Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  SEINET272154  Salvia mellifera A. C. Sanders 1997-3-1 19746 Riverside Box Spring Mtns. S end of the range along Gernert Rd. (dirt) in valley drainage to Box Spring Canyon. 457 Comment
  UC1287000  Salvia mellifera C. L. Hitchcock 1966-3-16 24181 Riverside 0.25 mi w Aguanga Comment
  UCR260588  Salvia mellifera A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-3 41557 Riverside Peninsular Range, Eastern Foot of the Santa Ana Mtns., Temescal Canyon NW of Horsethief Canyon Rd. along DePalma Rd., SE of Glen Eden Rd. and south of the east end of Lee (Corona) Lake, south side of I-15 370 Comment
  CAS-BOT-BC224849  Salvia pachyphylla P. A. Munz; E. K. Balls 1952-8-21 17981 Riverside Vandeventer Flat to Santa Rosa Peak 2072 Comment
  UCR198162  Salvia vaseyi Michael Honer, L. Hulse 2004-4-3 1894 Riverside Colorado Desert, Little San Bernardino Mountains, nameless canyon c. 1 mi west of Pushawalla Canyon, leading up to MWD aqueduct 488 Comment
  CSUSB697  Sambucus mexicana Leland R. Dykes 1962-4-22 40 Riverside Along state highway 71, 7 miles south of Corona Comment
  RSA562479  Sambucus mexicana Steve Boyd, Timothy S. Ross 1992-5-5 7257 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats along Serrano Spring drainage between Lucas Canyon Trail and junction of Bluewater and Verdugo Trails. 732 Comment
  UCR154730  Sambucus mexicana T. B. Salvato, Kent Beaman 2005-5-16 769 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  RSA736255  Sanicula arguta Scott D. White, Justin Wood 2008-4-3 11793 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan property, Alberhill area. 274 Comment
  UCR67369  Sanicula bipinnatifida Steve Boyd, T. Ross, et al 1990-3-29 3904 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn, north of Lake 823 Comment
  UCR102864  Sanicula tuberosa A. C. Sanders 1997-4-3 20150 Riverside Lake Skinner area, near north foot of Black Mountain, slopes south of Crown Valley 726 Comment
  UCR19460  Sarcostemma hirtellum Carl Epling, H. Lewis 1941-5-2 s.n. Riverside Sonoran (Colorado) Desert, Cottonwood Spring junction 945 Comment
  UCR211496  Sarcostemma hirtellum Jim Andre, T. La Doux 2008-9-13 10263 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177 (NW side), southeast end of Coxcomb Mountains, east boundary of Joshua Tree National Park 161 Comment
  UC1563035  Saxifraga californica Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-18 2988 Riverside below Vail Lake Dam (Temecula Creek Canyon); Vail Lake area, Temecula Creek Canyon 417 Comment
  RSA650259  Schinus molle Bennie Finnell 1948-4-21 s.n. Riverside Found on any street in Corona. 213 Comment
  SEINET7862086  Schinus molle M. F. Barrus 1919-12-24 57 Riverside Riverside, Canyon, W slope of Box Springs Mts. Comment
  UCR167239  Schismus arabicus 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
  UCR214416  Schismus arabicus A. C. Sanders, Richard Dwerlkotte 2010-3-22 37502 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 2 mi. SE of Sidewinder Well, south of Palen Dry Lake, SW of Palen Mtns. 142 Comment
  GMDRC3551  Schismus barbatus J. Andre, T. La Doux 2009-2-25 10812 Riverside Chuckwalla Mountains: growing on rocky (granitic) north-facing slope, approx 0.5 mi. south of I-10 freeway at Eagle Mtn Rd exit, USGS 7.5 min. Quad: Desert Center 33 deg. 41.303' N 115 deg. 27.236' W. Elev. 1358 ft. 414 Comment
  RSA757739  Schismus barbatus LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4308 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon., Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  SD167326  Schismus barbatus S. J. Myers, John Green 2003-4-4 Riverside San Jacinto Mountains: Powerline trail west of Juan Diego Flats toward Reed Valley, northwest of Cahuilla Mountain. 1220 Comment
  UC1117713  Schismus barbatus Alan A. Beetle 1946-4-18 4228 Riverside Devore Comment
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Jun 3 2012
  SEINET6243926  Schismus barbatus L. C. Higgins 1974-1 8487 Riverside 5 mi S of Morongo Valley on Hwy 62 Comment
  HSC27821  Schoenoplectus acutus var. occidentalis Richard Spjut 1973-5-4 3350 Riverside Colorado Desert along water course E of Blythe 305 Comment
  UCR201873  Schoenoplectus americanus Justin M. Wood 2008-9-22 152 Riverside SW Perris Basin, Temecula/Murrieta Creek, downstream of 1st Street bridge 305 Comment
  UCR41637  Schoenoplectus americanus A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6093 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  RSA556499  Schoenoplectus glaucus Julie Greene 1993-4-3 1106 Riverside San Jacinto Wildlife Area: west of dirt road. 445 Comment
  POM1416  Scirpus microcarpus L. T. Street, M. Durant 1918-5-12 s.n. Riverside San Jacinto River Canyon. Comment
  UC60276  Scirpus microcarpus H. M. Hall June 1901 2289 Riverside along water courses in vicinity Strawberry Valley (San Jacinto Mountains, Southern California); San Jacinto Mountains, vicinity Strawberry Valley 1615 Comment
  SBBG92560  Scrophularia californica K. Cooper 1986-4-18 Riverside Oasis de Los Osos Preserve, Snow Crk Cyn Comment
  RSA618385  Scrophularia californica subsp. floribunda D. L. Banks 1997-5-5 1980 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  RSA740937  Scutellaria bolanderi subsp. austromontana Scott D. White, Justin M. Wood 2008-7-9 12439 Riverside K Flat, from large pond downstream to meadow. 1427 Comment
  CAS-BOT-BC341105  Scutellaria mexicana S. B. Parish 1916-5-13 10835 Riverside Cottonwood Spr., Colorado Desert 792 Comment
  UCSB44683  Scutellaria mexicana Hibbard, Doug 1977-5-15 Riverside up wash from west side of Hwy 74; 8.45 miles from its intersection with Hwv 111 70 Comment
  RSA597053  Selaginella bigelovii Darin L. Banks, Lauren Raz 1996-11-5 1164 Riverside NW Palomar Mtns; Agua Tibia Mountains; Pechanga India Reservation, SE of San Gabriel Church. On newly established firebreak along an E-facing ridge S of the southern fork of Penchanga Creek. 488 Comment
  SD122172  Selaginella bigelovii James C. Dice, T. Chung 1987-10-19 736 Riverside North side of Temecula Gorge, about 0.4 km east-northeast of Field Station Site overlooking Santa Margarita River 324 Comment
  SFV6323  Selaginella bigelovii T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 26 Riverside San Bernardino Mountains Whitewater Canyon Road, 3 miles north of Highway 60. 630 Comment
  UCR41371  Selaginella bigelovii N. M. Fellows 1985-1-5 60 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mtn., 1 mi west of Snow Creek Village 506 Comment
  POM9818  Selaginella bigelovii Edmund C. Jaeger 1921-7-15 s.n. Riverside Massacre Canyon, 4 miles west of San Jacinto 548 Comment
  SEINET10938317  Selaginella eremophila Lewis S. Rose 1945-12-29 Rose 45342 Riverside Andreas Canyon, near Palm Springs. Comment
  UC1287149  Senecio californicus C. L. Hitchcock 1966-3-16 24187 Riverside about 5 mi ne Aguanga Comment
  POM183887  Senecio flaccidus var. douglasii P. A. Munz 1932-10-16 12840 Riverside Palm Creek, Santa Rosa Mts. 1463 Comment
  UC68965  Senecio flaccidus var. monoensis H. M. Hall May 1905 6247 Riverside Cottonwood Pass Colorado Desert 609 Comment
  RSA642298  Senecio ganderi D. L. Banks, Mike Kinney 1998-6-8 2202 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Approximately 200 m east of Magee Truck Trail, along a crushed bruch track from a native Stipa grassland at the southern border of the reservation., Just north of the Riverside / San Diego County line border. 483 Comment
  UCR213264  Senecio mohavensis A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37452 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
  UCR139037  Senecio vulgaris D. L. Banks, V. W. Steinmann 1997-3-13 1427 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  UCSB37919  Senecio vulgaris Roos, John 1967-2-7 Riverside Hemet; in parking lot along a street Comment
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Mar 23 2014
  LA204900  Senegalia greggii Carl Epling; William Robison 1933-6-24 sn Riverside Little San Bernardino Mountains, San Gorgonio Wash, near Banning Comment
  UCD108466  Senegalia greggii Robert Tofsrud 1950-4-1 s.n. Riverside Highway 95, 15 miles north of Blythe. Comment
  SEINET1100340 Image available Senna armata W. C. Anderson 1965-5-9 Riverside 2 miles S of Cotonwood Guard Station, Joshua Tree National Monument Comment
  UCR198201  Senna armata Michael Honer, L. Hulse 2004-4-3 1909 Riverside Colorado Desert, Little San Bernardino Mountains, Rockhouse Canyon c. half mi north of intersection with Fargo Canyon 610 Comment
  SBBG82057  Senna covesii J. M. Stewart 1985-3-16 8503 Riverside Martinez Cyn 259 Comment
  SBBG87835  Senna covesii A. C. Sanders, B. Pitzer, D. Charlton 1986-3-3 6073 Riverside Corn Spring, wash below the spring and wash and rocky slopes to the S; Chuckawalla Mtns 487 Comment
  CAS-BOT-BC438204  Sesuvium verrucosum T. B. Salvato; A. C. Sanders; Mitch Provance 2000-4-18 45 Riverside Coachella Valley: 50th St. ca 1 mi W of Filmore, 1.5 mi E of town of Coachella. -24 Comment
  SD181742  Sesuvium verrucosum Scott D. White 2001-6-29 8633 A Riverside Menifee Valley: Ca. 1.4 mile southwest of the I-215/Newport Rd. Interchange, northwest of the intersection of Holland Rd. and Bradley Rd. 438 Comment
  UC472847  Sesuvium verrucosum M. F. Spencer 1922-3-25 51 Riverside Mecca, Colorado Desert Mecca; , Colorado Desert Comment
  UCR126421  Setaria adhaerens T. B. Salvato, A. C. Sanders 2000-4-27 63 Riverside Coachella Valley, between Filmore & Buchanan on Avenue 56 -12 Comment
  POM1044  Setaria parviflora D. L. Crawford, I. M. Johnston 1917-6-9 1220 Riverside Santa Ana River near Corona Comment
  UCD92862  Setaria viridis Herbert L. Mason; Malcolm A. Nobs 1948-9-3 491 Riverside 2 miles north of Indio. Comment
  UC1012992  Sidalcea malviflora subsp. sparsifolia C. L. Hitchcock 1952-5-31 19562 Riverside n edge of town Idyllwild; n edge of town of Idylwild Comment
  UC1930011  Sidalcea malviflora subsp. sparsifolia Scott D. White, Justin Wood 2008-5-15 12007 Riverside San JAcinto Mountains: Johnson Meadow. (Idyllwild) Comment
  SEINET7040181  Sidalcea sparsifolia A. G. Vestal 1962-3-29 s.n. Riverside 1.2 miles up Caynon [Long Canyon Road]. Murrieta Quad. UTM Zone 11, 487303mE, 3707432mN. Comment
  UCSB42107  Silene laciniata subsp. laciniata Roos, John 1981-07 Riverside Sky Line Drive, south of Corona, Santa Ana Mtns. Comment
  RSA438889  Silene laciniata subsp. major N. C. Cooper 1944-6-4 1318 Riverside Elsinore Mountain; Lookout at top. 1066 Comment
  RSA614636  Silene multinervia D. L. Banks 1997-3-29 1560 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
  SBBG71665  Silene verecunda R. Hoffmann 1929-9-6 Riverside San Jacinto Mtns Comment
  UC64150  Silene verecunda subsp. platyota H. M. Hall July, 1901 2550 Riverside Fuller's Mills Mountains San Jacinto Mountains, Fuller's Mills Mountains 2194 Comment
  UCR207697  Silene verecunda subsp. platyota Justin M. Wood, Brandy N. Wood 2009-6-13 893 Riverside San Jacinto Mountains, Idyllwild County Park, Lily Creek and adjacent slope to west of campground 1616 Comment
  CAS-BOT-BC202936  Simmondsia chinensis N. Aitkenhead 1976-9-28 2077 Riverside So. of Chiriaco Summit Comment
  HSC101532  Simmondsia chinensis J. P. Smith, J. O. Sawyer, R. J. Cole 2010-4-18 12776 Riverside 457 Comment
  LA103833  Simmondsia chinensis B. Pitzer; 1986-3-18 BG- 63 Riverside UCR Botanic Garden, cultivated in grid cell # D-7 396 Comment
  SEINET6418776 Image available Simmondsia chinensis Annie M. Alexander, Louise Kellogg 1941-1 2159 Riverside EAgle Mountains, road to Black Eagle Mine 777 Comment
  IRVC28807  Simsia lagasciformis A. C. Sanders 1984-7-6 5104 Riverside UC Riverside Southern Coastal Comment
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Sep 10 2011
  HSC84209  Sisymbrium erysimoides A. C. Sanders 1987-4-7 7045 Riverside Riverside, N side of Spruce St., between Rustin and Canyon Crest Streets, previously an orange orchard with house 305 Comment
  RSA381556  Sisymbrium erysimoides A. C. Sanders 1987-4-7 7045 Riverside Riverside, vacant lot on the N side of Spruce St. between Rustin and canyon Crest Streets. Was an orange orchard with a house in it until about 1.5 years ago. 305 Comment
  SD13375  Sisymbrium irio Dorothy R. Harvey 1936-2-8 Riverside Citrus Experiment Station Orchard, Riverside. Comment
  CSUSB36  Sisyrinchium bellum Holzmiller Riverside Santa Ana Canyon Santa Ana Canyon; 1.5 miles on road entrance from Murrieta. 304 Comment
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Sep 29 2011
  SEINET3876435  Sisyrinchium bellum Daphne K. Christopher, Hannah Stevens 2003-4-8 121 Riverside Santa Rosa Plateau Nature Conservancy Preserve. On road from Santa Rosa Ranch.; 0 556 Comment
  UCR48359  Sisyrinchium bellum Steve Boyd 1986-5-1 1803 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  UCR35304  Smilacina stellata L. B. Ziegler 1965-5-31 58 Riverside San Jacinto M