Search Results — 2000 specimen records retrieved (1876 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/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC229314  Abronia villosa Ethel H. Campbell 1921-6-1 s.n. Riverside San Jacinto Comment
  UC851658  Abronia villosa C. L. Hitchcock 1940-4-4 5951 Riverside Pinto Basin Comment
  RSA0048314  Abronia villosa Charles MacKechnie 1950-4-29 s.n. Riverside Cranston Ranger Station, San Bernardino National Forest. 609 Comment
  RSA461185  Abronia villosa var. aurita H. de Forest 1924-3-28 s.n. Riverside Palm Springs. Comment
  UCR127579  Abronia villosa var. villosa D. E. Bramlet 2003-5-28 3455 Riverside San Gorgonio wash, along dirt road to MWD tailings site, 1768m south of Cabazon, and 762m north of the Colorado aqueduct 545 Comment
  SD121846  Acamptopappus sphaerocephalus C. H. Muller 1952-5-20 Riverside Whitewater Canyon Comment
  RSA416158  Acamptopappus sphaerocephalus var. sphaerocephalus P. J. Remple 1942-3-21 s.n. Riverside Whitewater Canyon. Wall of side canyon. Comment
  CAS-BOT-BC331638  Acer macrophyllum B. D. Stark 1930-2-21 1474 Riverside Hidden Canyon, near Corona, Santa Ana Mts. Comment
  UC70982  Achnatherum coronatum H. M. Hall April 1903 3790 Riverside vicinity of Riverside 365 Comment
  POM1070  Achnatherum speciosum J. D. Abrams 1901-05 990 Riverside Elsinore. Comment
  RSA770778  Achnatherum speciosum Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4616 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA559928  Achyrachaena mollis Steve Boyd 1992-4-18 6897 Riverside Paloma Valley betweeen Sun City and Murrieta, E of Hwy I-215. Rolling Hills just SW of Jtn Briggs Rd. and Scott Rd. Comment
  RSA776378  Achyronychia cooperi Amber Swanson 2011-4-8 377 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  UCR126431  Achyronychia cooperi T. B. Salvato, A. C. Sanders, Mitch Provance 2000-4-18 56 Riverside Coachella Valley, 2 mi NE of Mecca near mouth of Painted Canyon at foot of Mecca Hills, W edge of Coachella Canal 9 Comment
  UCR60790  Achyronychia cooperi Steve Boyd, Orlando Mistretta 1986-3-13 1405 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
  SD37813  Acmispon argophyllus var. argophyllus Edith A. Purer 1935-4-21 6475 Riverside Near Palm Springs, western edge of the Colorado Desert Comment
  SD167121  Acmispon brachycarpus A. C. Sanders, T. B. Salvato 2005-4-28 29763 Riverside Gavilan Hills, north of Santa Rosa Road, 1.0 mile southwest of Ida Leona Mine. 625 Comment
  JOTR36476  Acmispon glaber var. brevialatus Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 55 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop3) Comment
  CAS-BOT-BC402137  Acmispon grandiflorus var. grandiflorus LeRoy Gross; Grace Cho; Caitlin Elam 2013-5-30 6156 Riverside Peninular Ranges; San Jacinto Mountains region: Along road (5S24). End of Marion Ridge road, south of the community of Pine Cove. Ridge running south down to Idyllwild school of performing arts, west of Strawberry Valley. 1799 Comment
  UCD104243  Acmispon micranthus Nancy Ryan Zabriskie; Walter Zabriskie 1973-4-3 609 a Riverside Top of Poorwill Canyon, Andreas Canyon area, east slope San Jacinto Mtns. 426 Comment
  SBBG53747  Acmispon strigosus S. Boyd 1980-5-2 Riverside Harford Springs County Park, on the NW corner of the Gavilan Plateau Comment
  SD167117  Acmispon strigosus A. C. Sanders, T. B. Salvato 2005-4-28 29767 Riverside Gavilan Hills; north of Santa Rosa Road, 1.0 mile southwest of Ida Leona Mine. 625 Comment
  SD181519  Acmispon strigosus Scott D. White 2000-5-30 7971 Riverside Corona foothills, ca. 1 mile southeast of the I-15/El Cerrito Road junction adjacent to new houysing construction, alluvial terraces with steep, incised channels. This robust plant in a burned area. 334 Comment
  SDSU13937  Acmispon strigosus Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2094 Riverside Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 671 Comment
  RSA588171  Acourtia microcephala D. L. Banks, Victor Steinmann 1995-7-10 0747 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., 33 deg 27'.024 N - 116 deg 57'.923 W. 597 Comment
  CAS-BOT-BC22558  Adenophyllum porophylloides Harvey Keith Wagnon 1944-5-25 394 Riverside North side Tahquitz Canyon, Palm Springs Comment
  RSA296168  Adenostoma fasciculatum Barry A. Prigge 1980-8-5 3866 Riverside San Bernardino Mts, Whitewater Canyon: 0.5 miles N of trout farm. Slopes and terraces of canyon. 716 Comment
Read comments
Jan 14 2010
  SEINET3208888  Adenostoma fasciculatum G. Goodwin 2012-6-14 3443 Riverside San Jacinto Mountains, 6 miles south of Banning at the junction of highway 243 and the road to Mt. Edna 1070 Comment
  UCR154622  Adenostoma fasciculatum A. C. Sanders, Mike Misenhelter 2005-6-15 30989 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
  RSA390498  Adenostoma fasciculatum var. fasciculatum N. C. Cooper 1949-6-29 4309 Riverside West of Pinon Flats, San Jacinto Mountains. 1524 Comment
  SD259059  Adenostoma fasciculatum var. fasciculatum Sarah J. De Groot, Thomas Stoughton 2016-4-20 7808 Riverside Along the Pacific Crest Trail at top of hill just west of the Whitewater Preserve and Whitewater River; southeast foot of San Bernardino Mountains, north of Interstate 15. 829 Comment
  HSC99955  Adenostoma sparsifolium J. P. Smith, & J. O. Sawyer 2011-6-9 13202 Riverside 1470 Comment
  UC12021  Adenostoma sparsifolium Prof. Bernard Moses 1897-1-1 Riverside Hemet 762 Comment
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Mar 24 2011
  UCR245794  Adenostoma sparsifolium A. C. Sanders, T. B. Salvato, Ana Hernandez, Karyn Drennen, Angela Collada 2013-10-2 40956 Riverside Peninsular Range, Wilson Valley Preserve, 0.35 air mi. south of Wilson Valley Rd. and 0.8 mi. east of Sage Rd., 1.4 mi. east (93 deg. ) of Round Top Mountain 739 Comment
  UCR208108  Adiantum capillus-veneris N. C. Cooper 1944-4-8 1090 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Andreas Canyon 457 Comment
  SEINET6755846 Image available Agave Andrew C. Sanders 1984-7-17 5105 Riverside Riverside: O.F. Clarke residence at 1012 Spruce Street; TRS: 2S 4W 19 NE/4 of NE/4 305 Comment
  UC718133  Agave deserti C. B. Wolf and P. C. Everett 1939-9-29 Riverside 2.7 mi below Dos Palmos Spring (on Palms to Pines road); San Jacinto Range, Deep Canyon 274 Comment
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Sep 24 2011
  UCR100158  Agoseris Scott D. White 1994-4-23 2032 Riverside San Bernardino Mtns, Millard Canyon, c. 8 air mi. north of Cabazon. USFS Rd 2S05.2, c. 0.3 mi. south of junction of 2S05.2 & 2S05B; c. 1.7 mi. south of Deer Spring & 1 mi. SW of Bear Wallow Spring 1311 Comment
  SEINET10810356  Agrostis exarata Unknown Anonymous s.n. Riverside Cabazan. Comment
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Sep 2 2017
  RSA263175  Agrostis idahoensis J. C. Roos 1937-8-18 465 Riverside Round Valley, San Jacinto Mountains. Comment
  RSA593987  Ailanthus altissima D. L. Banks, Elizabeth Hedge Banks 1996-5-2 951 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage. 524 Comment
  RSA450097  Alchemilla occidentalis J. C. Roos 1950-4-22 4751 Riverside On the hills N.E. of the summit of Reche Canyon. 823 Comment
  RSA469418  Aliciella latifolia Robert Gustafson 1980-4-3 1520 Riverside Orocopia Mountains, about 6 miles east of Mecca along Box Canyon Road, south of the road 305 Comment
  UCR21013  Allionia incarnata A. C. Sanders, J. Zabriskie, Steve Boyd 1980-4-17 1339 Riverside Sonoran (western Colorado) Desert, Coachella Valley at the foot of the Indio Hills near Thousand Palms Oasis, Willis Palms grove 152 Comment
  UCR75075  Allionia incarnata A. C. Sanders, E. J. Lawlor 1992-4-4 12134 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  JOTR34306  Allionia incarnata var. incarnata Andre, Jim 2012-4-11 20720 Riverside Joshua Tree National Park. Pinto Basin; along road to Cootonwood, I mi NW of Fried Liver Wash, approx. 15 mi S of Hwy 62 in Twentynine Palms 617 Comment
  SEINET10532711  Allium fimbriatum Cooper 1944-5-20 Cooper 1237 Riverside Pinyon flats, palms to pines hwy. San jacinto mountains. Under shrubs. Flowers Reddish purple. Stems short 1219 Comment
  OBI30459  Allium haematochiton J. C. Roos 1966-3-24 s.n. Riverside Bundy Cyn Rd E of Elsinore Comment
  RSA70222  Allium haematochiton F. W. Peirson 1921-3-19 2394 Riverside 4 miles west of Beaumont, on road to Redlands. Comment
  SD67640  Allium haematochiton I. W. Clokey 1935-4-18 6555 Riverside Gavilan Peak, dry brushy flat. 600 Comment
  UCR48386  Allium haematochiton Steve Boyd 1986-4-22 1780 Riverside Gavilan Hills, Summit of Estelle Mountain. 841 Comment
  SD136977  Allium lacunosum var. davisiae Steve Boyd, Tim Ross 1992-5-15 7386 Riverside Southern Santa Ana Mts, SE flank of Elsinore Peak at 'Onion Hill', grassy knoll of clay soil ca. Ao mile SE of radio towers, along old Main Divide Rd track. N & W sides of hill in semi-barren scurry zone at contact between grassland & chaparral. 1021 Comment
  RSA532558  Allium munzii David E. Bramlet 1991-5-9 2136 Riverside North Domenigoni Hills, some 0.5 mile southeast of the end of Warren Rd. On large prominent peak in the NW corner of section 31 and adjacent to an old quarry area. 659 Comment
  SBBG92808  Allium munzii S. Boyd 1986-4-22 1778 Riverside E edge of plateau remnant of ridge, E of Estelle Mtn, Gavilan Hills, S of Dawson Cyn; T4S R5W E1/2 SW 1/4 S33 670 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
  UCR103897  Allium peninsulare B. G. Pitzer 1997-4-12 3123 Riverside Lakeview Mtns, Pulsar View Rd, c. 1/2 mi. uphill from the end of Warren Road (very short dirt road leading into hills) and c. 1 mi. (air) north of Juniper Flats Road. Approx. 1.2 mi. (airline) WSW of Mt. Rudolph (measured from BM 'Nelson'). 585 Comment
  RSA759210  Allophyllum glutinosum Robt. Allen 2008-5-17 s.n. Riverside Bear Canyon Trail, trailhead near Ortega Hwy, across from San Juan Loop Trail 610 Comment
  RSA5485  Alnus rhombifolia C. B. Wolf 1932-5-24 3649 Riverside 1/2 mile below the fish hatchery, Snow Creek, north base of San Jacinto Mts. 549 Comment
  SEINET3917840  Alopecurus howellii George E. Johnston 1975-6-26 10 Riverside Mesa de Burro, 3 mi. west of Murrieta, Santa Rosa, CA.; 0 610 Comment
  RSA801724  Alopecurus pratensis LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6167 Riverside End of Apela Drive, west end of Strawberry Valley. And south of road (5S24) that runs out to the sewage disposal ponds. Collections are between this road, and Strawberry Creek., Basically ridge north of Strawberry Creek and creek north of this ridge, south of road. This draw drains into Strawberry Creek. 1524 Comment
  RSA90202  Alopecurus saccatus F. W. Peirson 1922-5-19 3021 Riverside 10 miles northeast of Murrieta. Comment
  RSA736797  Amaranthus albus Scott D. White, Angelia Carey 2004-7-2 10567 Riverside Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UCR20719  Amaranthus albus A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 01314 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  UCR92341  Amaranthus albus Scott D. White 1995-7-7 3447 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  RSA544288  Amaranthus albus Steve Boyd, Timothy S. Ross 1991-6-14 6359 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Spings. Comment
  RSA654880  Amaranthus arenicola T. B. Salvato, A. C. Sanders 2000-4-27 60 Riverside Coachella Valley: between Filmore & Buchanan on Avenue 56. -37 Comment
  UCR113877  Amaranthus blitoides Mitch Provance, A. C. Sanders 2000-7-4 2089 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR16084  Amaranthus retroflexus S. R. Szarek 1969-4-11 s.n. Riverside near intersection of Mission Blvd & Flemming St., Glen Avon Comment
  CAS-BOT-BC13609  Ambrosia acanthicarpa W. R. O. 1973-1 5 Riverside SW side of San Jacinto Valley, base of Mount Rudolf Comment
  UCSB7142  Ambrosia acanthicarpa Philbrick, Ralph 1954-10-24 Riverside 4 miles south of Chino Institute Comment
  RSA643280  Ambrosia confertiflora R. D. Goeden, D. W. Ricker 1970-4-2 s.n. Riverside Moreno Badlands: W of Beaumont, south side of Hwy 60, 2 miles W of Jackrabbit Trail 686 Comment
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Mar 21 2011
  CDA9983  Ambrosia dumosa C. R. Tower Jun 1953 Riverside East of Desert Center. 0 Comment
  RSA696739  Ambrosia dumosa W. Marquart 1938-3-12 s.n. Riverside Mule Mts. S. of Chuckawalla Range. Comment
  RSA766671  Ambrosia dumosa Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-22 168 Riverside McCoy Wash. N of I-10. Rd going N from Black Rock Rd. S side of private land boundary. 244 Comment
  RSA776577  Ambrosia dumosa Amber Swanson 2011-4-8 369 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  RSA796102  Ambrosia dumosa Duncan S. Bell 2009-4-20 318 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  POM10073  Ambrosia psilostachya Charlotte M. Wilder 1904-7-14 358 Riverside Jurupa Hills, Wilders Canyon. Comment
  SD136928  Ambrosia psilostachya Steve Boyd 1994-10-14 8392 Riverside Santa Ana Mountains, San Mateo Cyn Wilderness Area. San Mateo Canyon at confluence with Bluewater Canyon 328 Comment
  UCR34911  Ambrosia psilostachya L. B. Ziegler 1967-9-18 247 Riverside San Jacinto Mtns, Bautista Canyon 673 Comment
  UCR174457  Ambrosia pumila A. C. Sanders, John F. Green 2006-5-18 32374 Riverside Temecula/Murrieta Region, SE of Murrieta Hot Springs along San Diego Aqueduct and powerline route, south of intersection of Chandler and Suzi Rds. and south of Murrieta Hot Springs Rd., side canyon dropping toward Santa Gertrudis Creek, 1 mile SW of Skunk Hollow 366 Comment
  RSA0008350  Ambrosia pumila M. E. McGlaughlin, Elizabeth Friar 2003-7-25 093 Riverside Nichols Rd, South of I-15. North of Elsinore lake outlet; Peninsular Ranges; Perris-Aquanga Basin region. Comment
  LA203747  Ambrosia salsola Martha Hilend; 1929-3-24 sn -b Riverside Thousand Palms Comment
  LA83341  Ambrosia salsola O. H. Kappler; 1941-3-15 124 Riverside Morongo Pass Area, at Desert Center Comment
  SEINET2030196 Image available Ambrosia salsola Ynez Whilton Winblad 1937-3-21 s.n. Riverside Coachella Valley Comment
  SBBG25159  Ambrosia salsola var. salsola Leota Davidson 1965-5-14 113 Riverside Pinto Wash, Joshua Tree Nat Monument Comment
  UCR64263  Ammannia coccinea Scott D. White 1990-9-25 s.n. Riverside Santa Rosa Plateau, c. 5 mi (airline) SW of Temecula, on Via Yerba Road, east of Via Vaquero Road 415 Comment
  UCR161033  Ammi majus B. G. Pitzer 1993-5-6 s.n. Riverside Riverside, in the yard of the Pitzer residence, Wendel Way 335 Comment
  RSA78298  Amorpha californica P. A. Munz, E. K. Balls 1952-8-21 17988 Riverside Road to Santa Rosa Mt. from Vandeventer Flats. Comment
  CLARK-A1528-323  Amsinckia intermedia C. M. Flanagan 1973-4-26 OO 312 Riverside Morongo Indian Reservation 914 Comment
  SD239634  Amsinckia intermedia A. C. Sanders, T. B. Salvato 2011-3-28 38808 Riverside Peninsular Rangte: Perris-Aguanga Basin Region: Menifee Valley between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-125 Fwy (Romoland 7.5'Q) 433 Comment
  UCR127326  Amsinckia intermedia A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25834 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  UCR16784  Amsinckia intermedia C. M. Bringle 1967-4-2 s.n. Riverside Riverside, Mockingbird Canyon off Jackson St., 0.2 mi past 1645 Jackson, in ravine on S side, about 1/4 mi out 351 Comment
  UCR213597  Amsinckia intermedia A. C. Sanders, Matthew Malle 2010-4-23 37985 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  SEINET10972790  Amsinckia intermedia David B. Dunn 1946-3-17 Dunn 2109 Riverside On same sheet as Evans 5187, UMO 131962. Near junction of Hwy 99 and Palm Springs turnoff, W of Garnet; Colorado Desert. Comment
  RSA776631  Amsinckia menziesii var. menziesii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 945 Riverside Wash crossing Midland Rice Road, near saddle between Little Maria Mountains and Big Maria Mountains 320 Comment
  RSA651009  Amsinckia tessellata Marion P. Harthill 1973-2-17 1568 Riverside Snow Creek, Palm Springs 366 Comment
  UCR65284  Amsinckia tessellata var. tessellata Steve Boyd, D. E. Bramlet, Harry Spilman 1989-4-30 3512 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, N edge of the Gavilan Plateau, east of Gavilan Creek 610 Comment
  JEPS49777  Amsonia tomentosa I. T. Weeks 1930-3-30 Riverside <Mousen ?> Canyon Colorado Desert, Eagle Mts., Munsen Canyon Comment
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Jul 5 2010
  UCR77590  Ancistrocarphus filagineus Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6135 Riverside Peninsular Range; Santa Ana Mountains, south side of Elsinore Peak 1067 Comment
  UCR237626  Anemone tuberosa Duncan S. Bell 2010-3-20 610 Riverside Riverside Mountains, in the vicinity of Calzona Mine, c. 2 air mi northeast of Riverside Mountain Peak 232 Comment
  UCR264617  Anemopsis californica Mitch Provance 2011-6-6 17008 Riverside Badlands, San Timoteo Canyon, El Casco area, north of San Timoteo Canyon Rd. and east of Woodhouse Rd 626 Comment
  IRVC3691  Angelica tomentosa R. H. Whittaker, W. A. Niering 1963-6-6 SJ 229 Riverside San Jacinto Ridge Road; above San Jacinto Creek. Peninsular Ranges, San Jacinto Mountains 1524 Comment
  RSA0000863  Antennaria speciosa H. M. Hall 1901-07 2401 Riverside San Jacinto Mountains. Tamarack Valley. 2835 Comment
  RSA747964  Anthemis cotula Justin M. Wood 2009-5-15 713 Riverside Romoland, 1/4 mile S of Ethanac Rd, between San Jacinto Rd and Palomar Rd, just S of railroad tracks. 442 Comment
  CHSC1687  Antirrhinum coulterianum Sonia R. Westerberg 1938-5-1 Riverside Banning. Comment
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Mar 13 2011
  RSA388498  Antirrhinum coulterianum Steve D. Boyd 1986-5-1 1819 Riverside Bachelor Mtn.: Lower south slopes of Bachelor Mtn., east end of Lake Skinner. Comment
  SD186333  Antirrhinum coulterianum Andy C. Sanders, Mike Misenhelter 2005-6-15 30999 Riverside 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 340 Comment
  UCR135991  Antirrhinum coulterianum Virginia Moran 2003-4-30 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and west of Wilson Creek 915 Comment
  RSA523366  Antirrhinum nuttallianum subsp. nuttallianum G. H. True 1935-4-17 242 Riverside Mockingbird Canyon. 457 Comment
  RSA583743  Antirrhinum nuttallianum subsp. nuttallianum Steve D. Boyd 1995-4-24 8488 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
  RSA717461  Apiastrum angustifolium Scott D. White 2006-4-28 11317 Riverside Wildomar., east of the I-15 Freeway and north of Baxter Rd. South- and west-facing hillsides, minor ephemeral wash, and upper bajadas at bases of hills. 427 Comment
  RSA737117  Apium graveolens Justin M. Wood 2008-10-15 183 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  SD187326  Apium graveolens Scott D. White, Angelia Carey 2004-5-7 10317 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 548 Comment
  RSA49195  Arabis perennans P. A. Munz 1949-4-13 13049 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
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Oct 9 2010
  RSA629466  Arctostaphylos glandulosa Jon E. Keeley 1992-6-16 16836 Riverside Hwy 243, 30 km N of Idyllwild. 1630 Comment
  POM250403  Arctostaphylos glandulosa subsp. adamsii I. W. Clokey, E. G. Anderson 1935-4-16 6788 Riverside Hemet. 900 Comment
  POM367424  Arctostaphylos glandulosa subsp. glandulosa N. C. Cooper 1947-4-5 2103 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  OBI42561  Arctostaphylos glandulosa subsp. leucophylla A. C. Sanders 1986-6-1 6549 Riverside San Jacinto Mts, along trail toward Spitler Peak from the Hurkey Crk camp to Bonita Vista road. 1707 Comment
  RSA629367  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-6-16 16819 Riverside Hwy 234, 3 km N of Hwy 74, San Jacinto Mtns. 1520 Comment
  RSA629405  Arctostaphylos glandulosa subsp. leucophylla Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19524 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629464  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16817 Riverside Rd. to Thomas Mtn. (5S15), 11 km north of Toolbox Spring. San Jacinto Mtns. 1520 Comment
  UC21899  Arctostaphylos glandulosa subsp. zacaensis W. L. Jepson May 17 1901-Jun 1 1901 1289 Riverside s side San Jacinto Mts. 1584 Comment
  UC922081  Arctostaphylos glandulosa subsp. zacaensis Frank W. Gould 1943-4-18 2134 Riverside mt. slopes 8 mi e Idlewild Comment
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Sep 29 2011
  POM49870  Arctostaphylos glandulosa var. adamsii P. A. Munz, I. M. Johnston 1924-7-29 8859 Riverside Above Poppet Flat, San Jacinto Mts. 1220 Comment
  CAS-BOT-BC24667  Arctostaphylos glauca Vernon O. Bailey 1907-9-11 1276 Riverside Edge of Mojave Desert, e. of Morongo Valley. Comment
  RSA631782  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19275 Riverside Highway 79, 5 km west of Radec. 580 Comment
  UC667284  Arctostaphylos glauca Annie M. Alexander and Louise Kellogg 1941-5-4 2117 Riverside surrounding the reservoir Joshua Tree National Monument, Barker Dam 1325 Comment
  RSA633522  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16684 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633725  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16630 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  POM305862  Arctostaphylos pringlei subsp. drupacea Henry J. Ramsey, Henry J. Ramsey 1938-4-22 1158 Riverside Santa Rosa Mts. Comment
  POM367426  Arctostaphylos pringlei subsp. drupacea Douglas Bothwell 1934-5-6 s.n. Riverside Idyllwild, San Jacinto Mts. 1610 Comment
  RSA1789  Arctostaphylos pringlei subsp. drupacea C. B. Wolf 1931-5-11 1948 Riverside Near Pipe Creek, above Hemet Valley, San Jacinto Mountains. 1677 Comment
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Mar 24 2011
  RSA635645  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-16 16608 Riverside Road to Santa Rosa Mtn. (7S02), 0.5 km south of Hwy 74. 1475 Comment
  SD232672  Arctostaphylos pringlei subsp. drupacea Scott D. White 1996-8-1 4426 Riverside San Jacinto Mts.; Idyllwild area: Hwy 243 at Deer Springs trailhead and adjacent area. S facint mountainside. 1707 Comment
  RSA635781  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16530 Riverside Red Mountain Road, 5 km east of R3. 1000 Comment
  RSA635783  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16532 Riverside Red Mountain Road, 5 km east of R3. 1000 Comment
  RSA636011  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19559 Riverside Carancho Rd., W. of Temecula. 440 Comment
  RSA636013  Arctostaphylos rainbowensis Jon E. Keeley 1992-8-2 18804 Riverside East of Hwy 15, off Rainbow Cyn. Rd., 3 km north of San Diego Co. line. 400 Comment
  RSA636155  Arctostaphylos rainbowensis Jon E. Keeley 1992-8-2 18810 Riverside East of Hwy 15, off Rainbow Cyn. Rd., 3 km north of San Diego Co. line. 400 Comment
  RSA636179  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19474 Riverside West of Temecula, off Colman Rd., 0.8 km north of Carancho Rd. and west of De Luz Rd., eastern Santa Margarita Mountains. 590 Comment
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Jun 8 2012
  RSA0045241  Argemone intermedia W. Marquart 1938-3-12 s.n. Riverside Ten mi. west of Desert Center. Comment
  UC1861748  Aristida G. D. Wallace 1982-5-15 2004 Riverside Palms to Pines Highway (74), San Bernardino National Forest, 1 mi E of Pinyon Pines Camp Comment
  CAS-BOT-BC137656  Aristida adscensionis Carl B. Wolf 1932-4-29 3092 Riverside Eastern Colorado Desert. West edge of Maria Mountains 17 miles from Blythe on Rice Road. 152 Comment
  CAS-BOT-BC137658  Aristida adscensionis S. B. Parish 1912-6-28 8122 Riverside Base of the mountains north of Mecca. Comment
  SEINET3918922  Aristida adscensionis Elizabeth Neese 1979-4-10 7084 Riverside Ca 25 mi W of Blythe, desert along Interstate 10.; 0 244 Comment
  SEINET10511900  Aristida adscensionis Leila M. Shultz, John S. Shultz 1985-4-18 Shultz 8332 Riverside Chuckawalla Mountains, 1 mile west of Astec Well and 11.7 miles south of highway (I-15), T6S R15E. Larrea, Fouquieria splendens, Ambrosia dumosa, Ferocactus association. Granite outcrop. 616 Comment
  RSA385010  Aristida adscensionis var. modesta Christopher Davidson, J. Jones 1980-4-4 9950 Riverside West end of the Orocopia Mountains in a small canyon and wash almost due south of Oro Peak., Approx. 33 deg 37'N, 115 deg 53'W. Comment
  UCR157594  Aristida purpurea A. C. Sanders, G. K. Helmkamp, P. J. MacKay, et al. 1995-3-19 16181 Riverside Coachella Valley/San Jacinto Mtns. foothills, Chino Canyon near the Palm Springs tram station 793 Comment
  JOTR30087  Aristida purpurea var. purpurea La Doux, Tasha, Alice Miller 2007-5-8 1732 Riverside Joshua Tree National Park. Stop 1: Along Key's View Rd. 1385 Comment
  UCD121574  Arnica mollis Frank W. Gould 1943-4-17 2121 Riverside 12 miles south of Corona. Comment
  UCR123871  Artemisia californica Steven R. Hill 2001-4-29 33539 Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  UCR141235  Artemisia californica A. C. Sanders, Mike Misenhelter 2004-10-6 28831 Riverside Santa Ana Mtns./Santa Rosa Plateau, hill 2139 at west end of the Mesa De Colorado, private land on the west side of Via Volcano adjacent to the Santa Rosa Plat. Ecol. Reserve 640 Comment
  SEINET182497  Artemisia douglasiana Unknown 1935-8-21 Riverside Riverside County: West of Keen Camp P. O. 1360 Comment
  CLARK-A1528-1572  Artemisia dracunculus John C. Roos 1937-8-17 1615 Riverside San Jacinto Comment
  JOTR34155  Artemisia dracunculus Harding, Mitzi, M. Wheeler 2013-9-21 83 Riverside Joshua Tree National Park. Queen Valley; SE of Barker Dam, near Wall Street Mill parking area 1304 Comment
  UC1871200  Artemisia dracunculus Steve Boyd, Tim Ross, Travis Columbus 1993-10-23 8193 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Morrell Canyon along Morgan Trail (5W02). 755 Comment
  UCR111590  Artemisia dracunculus Mitch Provance 1999-1-5 1740 Riverside Mira Loma, Delhi sand dune remnant on SE corner of Milliken Ave. and Patton Rd. 256 Comment
  SEINET2044554 Image available Artemisia tridentata var. angustifolia H. S. Gentry 1954-7-25 14251 Riverside Dripping Springs, along route 79. Comment
  SEINET10547629  Asarina filipes David B. Dunn 1948-3-13 Dunn 3728 Riverside Vine found growing in wash. Indio hills, colorado desert. Near pushawalla. Comment
  SEINET195890  Asclepias californica F. A. Thackery 1928-5-22 478 Riverside Banning Hights. Comment
  UCR141259  Asclepias eriocarpa A. C. Sanders, Kelly Volansky 2004-10-6 28825 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
  UCR14773  Asclepias eriocarpa A. C. Sanders, O. F. Clarke, Dan Vossler 1975-7-23 604 Riverside Santa Ana Mtns., Santa Rosa Plateau, Mesa west of Murrieta, along Tenaja Rd. about 2 mi west of the eastern escarpment of the Santa Rosa Plateau. Probably collected very near Bench Mark 1847 ft. shown on the topo map 579 Comment
  RSA502495  Asclepias erosa Steve Boyd, Tim Ross, L. Arnseth 1989-6-11 3736 Riverside Vail Lake area, recently burned hills at W end of lake SW of dam. 488 Comment
  UCR112062  Asclepias fascicularis Mitch Provance 1999-6-30 1746 Riverside Box Springs Mtns., City of Riverside, at the corner of Rustin Ave. and Marlborough Ave. 305 Comment
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Sep 1 2011
  CHSC21411  Asclepias subulata Robert A. Schlising 1972-4-8 3015 Riverside Ramon Road, east of Thousand Palms, near junction with Thousand Palms Canyon Road. Comment
  RSA76054  Asclepias subulata Marcus E. Jones 1906-4-30 s.n. Riverside Indio. Comment
  RSA784752  Asclepias subulata Duncan S. Bell 2012-2-12 3096 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  IRVC12864  Asparagus officinalis Steve Stadler 1966-3-26 032666 44 Riverside Found along the Gagu Canal .2 miles North of Blaine Street. 305 Comment
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Sep 29 2011
  SEINET175012 Image available Aspidotis californica F. M. Reed 1920-4-20 5829 Riverside Summit of grade between Pala and Temecula. 914 Comment
  RSA690948  Aster ascendens Scott D. White 2003-10-9 9820 -B Riverside Pine Cove area. Dutch Flat. 1753 Comment
  UCR201878  Aster subulatus var. ligulatus Justin M. Wood 2008-9-19 143 Riverside SW Perris Basin, Temecula - Murrieta Creek, downstream of First Street Bridge 305 Comment
  CAS-BOT-BC295358  Astragalus N. Aitkenhead 1977-2-1 2154 Riverside ~1 mi. E. of junction of T/L & Dillon Rd. in No. Palm Springs Comment
  UCR214703  Astragalus aridus A. C. Sanders 2010-3-23 37539 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  POM9367  Astragalus aridus Mary F. Spencer 1920-3-14 1483 Riverside Desert sand, Colorado Desert. -60 Comment
  CAS-BOT-BC177732  Astragalus crotalariae Marcus E. Jones 1906-4-20 s.n. Riverside Borrego Spring 1066 Comment
  UC83972  Astragalus crotalariae C. R. Orcutt 1890-2-6 2040 Riverside Indian Wells Colorado Desert; Indian Wells, Colorado Desert Comment
  CSUSB950  Astragalus douglasii Pam Maynard 1974-5-26 Riverside Mount San Jacinto Mount San Jacinto- Idyllwild. Mount San Jacinto Park- campground #14 1828 Comment
  POM13574  Astragalus douglasii var. parishii P. A. Munz 1922-4-29 5114 Riverside Aguanga Comment
  POM157927  Astragalus douglasii var. parishii P. A. Munz 1927-5-21 10843 Riverside Head of San Carlos Pass, Anza. 1372 Comment
  POM19604  Astragalus douglasii var. parishii Mary F. Spencer 1923-6-29 2194 Riverside Idyllwild 1646 Comment
  RSA385  Astragalus douglasii var. parishii J. T. Howell 1927-8-2 555 Riverside Strawberry Valley, Mt San Jacinto. 1677 Comment
  UCR35038  Astragalus douglasii var. parishii L. B. Ziegler 1972-5-15 461 Riverside San Jacinto Mtns, Hemet (Garner) Valley 1402 Comment
  RSA0025910  Astragalus lentiginosus var. variabilis Justin M. Wood, J. Varonin, T. Valentovich 2012-4-23 4692 -B Riverside Sonoran Desert: Chuckwalla Valley, active sand dunes +/- 7.25 miles northeast of Desert Center, +/- 3.0 miles E of SR-177, and +/- 1.0 mile N of abandoned Jojoba farm. 149 Comment
  UCR101917  Astragalus pachypus var. jaegeri R. S. Woglum 1941-5-17 3053 Riverside Peninsular Ranges/Sonoran (Colorado) Desert Transition:, Horse Canyon, off Coyote Canyon Comment
  UC863206  Astragalus palmeri P. A. Munz, I. M. Johnston 1922-5-7 5271 Riverside Keyes Ranch Little San Bernardino Mtns, Keyes Ranch (Little San Bernardino Mtns, sandy desert plain) 1066 Comment
  CAS-BOT-BC194133  Astragalus pomonensis L. R. Abrams 1926-3-27 11138 Riverside Between Redlands and Bannings at junction of Wildwood Canyon Road Comment
  POM13917  Astragalus sabulonum P. A. Munz 1922-4-8 4739 Riverside Mecca, Colorado desert. -30 Comment
  RSA4917  Astragalus sabulonum C. B. Wolf 1932-4-28 3079 Riverside 19 mi. W. of Blythe on the Mecca rd. 122 Comment
  JOTR29375  Astragalus tricarinatus La Doux, Tasha, Mike Bell 2006-5-10 1452 Riverside Joshua Tree National Park. East Deception Canyon, near park boundary Comment
  UCR84218  Astragalus tricarinatus G. R. Ballmer, G. F. Pratt, Kay Stockwell 1995-2-12 s.n. Riverside San Bernardino / Colorado Desert, Mission Creek Canyon, near gate on Mission Creek Road east of the ranch 640 Comment
  RSA692514  Athyrium filix-femina subsp. cyclosorum I. W. Clokey 1935-8-21 6504 Riverside Fuller's Creek, San Jacinto Mountains 1500 Comment
  RSA482796  Athysanus pusillus Ora M. Clark 1929-4-6 1945 Riverside South of Hemet Comment
  RSA585621  Athysanus pusillus D. L. Banks, S. D. Boyd 1995-3-15 56 Riverside NW Palomar Mountains; Agua Tibia Mountains; N face of Agua Tibia Mtn., Dorland Mtn. area. 744 Comment
  UCR102857  Athysanus pusillus A. C. Sanders 1997-4-3 20160 Riverside Lake Skinner area, near north foot of Black Mountain, slopes south of Crown Valley 726 Comment
  JOTR36436  Atrichoseris platyphylla La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3407 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
  SEINET9118525  Atrichoseris platyphylla E. Adams 1978-1 S.N. Riverside Mecca, Box Canyon. Desert wash. Comment
  UCR101545  Atriplex argentea C. S. Jones, Jennifer Hodge 1998-3-22 s.n. Riverside Lake Elsinore, back basin, c. 700 ft. west of the San Jacinto River and c. 250 ft. south of the Lake Elsinore channel. 400 Comment
  SEINET3930666  Atriplex canescens Carl B. Wolf 1932-10-13 4316 Riverside Caleb (Southern Pacific railway sliding), 4.5 miles Southeast of Mecca, Colorado Desert. Lower Sonoran Zone.; 0 610 Comment
  SEINET3930704  Atriplex canescens Howard Stutz 1977-11-17 8192 Riverside East of Cabazon, Plants abundant.; 0 Comment
  UC850757  Atriplex canescens Carl B. Wolf 1932-10-13 4306 Riverside Cottonwood Springs Colorado Desert, , Cottonwood Springs (Eagle Mts.) 289 Comment
  UCD97288  Atriplex canescens K. Esau 1935-6-15 s.n. Riverside Riverside County. Comment
  SD123919  Atriplex canescens subsp. canescens Robert F. Thorne, Kay Wright & Richard Benjamin 1982-10-8 55354 Riverside San Bernardino Mountains; mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges. 409 Comment
  SD80078  Atriplex canescens var. linearis Nancy Ryan Zabriskie, Walter Zabriskie 1970-7-29 331 Riverside Andreas Canyon Club property, Palm Canyon watershed. 170 Comment
  SBBG122779  Atriplex coronata var. notatior A. Parikh 1990-6-14 177 Riverside N of Diamond Valley Lake, 0.4 km S of Hwy 74 (W Florida Ave), 0.7 km W of Warren Rdster Rd 457 Comment
  RSA550498  Atriplex coulteri D. E. Bramlet 1991-4-29 2079 Riverside 6.5 km west of Hemet and some 350m south of Florida and 550m west of Warren. The population is some 50m east of MWD canal. 500 Comment
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Feb 3 2015
  RSA0035510  Atriplex hymenelytra Deidre Conocchioli, Duncan S. Bell 2014-3-18 262 Riverside In the Orocopia Mountains 11.6 miles NE of the Salton Sea. 1.9 miles N of the Salt Creek drainage; 0.2 miles SW of Gucci Spring. 390 Comment
  SBBG1763  Atriplex hymenelytra H. and M. Dearing 1940-1-1 4070 Riverside near Mecca Comment
  RSA13577  Atriplex linearis W. M. Ingram 1934-10 s.n. Riverside Edom Comment
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Dec 11 2011
  SEINET4135549  Atriplex polycarpa Sears 1977-10-12 S 569 Riverside Corn Springs. Desert Palm Oasis, permanent flowing spring.; 0 512 Comment
  UC500782  Atriplex polycarpa Aven Nelson 1930-3-1 11151 a Riverside Indio Comment
  RSA702186  Atriplex semibaccata Scott D. White, Michael Honer 2004-3-11 9897 Riverside Corona area. Approximately 1/2 air mile E of I-15 and 1 air mile N of El Cerrito Rd. 290 Comment
  IRVC5339  Avena barbata Gidon Ladizinsky 1971-5-19 s.n. Riverside University of California, Riverside Comment
  UCR127539  Avena sativa A. C. Sanders, T. B. Salvato 2003-5-21 26807 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
  POM170960  Ayenia compacta I. M. Johnston 1930-6-15 3784 Riverside Lost Palms Canyon above [Anslintz] Wall, Eagle Mts., Colo. Desert. [information from frag pack] Comment
  RSA594042  Azolla filiculoides Darin L. Banks, Elizabeth Hedge Banks 1996-5-2 946 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage. 524 Comment
  SD255081  Baccharis brachyphylla Duncan S. Bell, Sarah DeGroot and Amy Rouillard 2015-10-19 8717 Riverside Transverse Ranges: San Bernardino Mountains region: Whitewater Canyon, along the Pacific Creset Trail, approximately 0.75 air mile northeast of Red Dome. 885 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
  CLARK-A1528-164  Baccharis douglasii John C. Roos 1951-9-25 5284 Riverside Riverside 259 Comment
  SFV3737  Baccharis pilularis C. T. Brandhorst 1963-3-15 s. n. Riverside Palm Desert. Comment
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Mar 10 2013
  POM4585  Baccharis salicifolia I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon, Little Palm Canyon fork 305 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
  SEINET946176  Baccharis salicina O. F. Clarke 1970-1 Riverside Botanic Gardens of the University of California, Riverside Comment
  UCR260956  Baccharis sarothroides Duncan S. Bell 2013-1-30 4438 Riverside Sonoran (Colorado) Desert, the Mecca Hills, an unnamed canyon between Thermal Canyon and Painted Canyon, just to the west of Mecca Hills Peak 1642 138 Comment
  CAS-BOT-BC540849  Baccharis sergiloides Sarah J. De Groot; Duncan S. Bell 2015-9-21 7583 Riverside Santa Rosa Mountains SSW of Palm Desert. Near Potrero Spring near head of Potrero Canyon, W of Dunn Rd, NW of Asbestos Mountain, SW of Haystack Mountain 1084 Comment
  CLARK-A1528-2175  Baccharis sergiloides John C. Roos 1946-9-14 3003 Riverside San Jacinto Mountains 1066 Comment
  POM47794  Baccharis sergiloides Mary F. Spencer 1918-3-29 781 Riverside Palm Springs 137 Comment
  SBBG7748  Baccharis sergiloides H. and M. Dearing 1940-11-10 5010 Riverside Whitewater Comment
  UC1303135  Baccharis sergiloides Carl B. Wolf 1932-10-12 4297 Riverside Pinyon Wells Little San Bernardino Mts., Conchilla Mts. 1219 Comment
  UC893737  Baccharis sergiloides Carl B. Wolf 1932-10-1 4272 Riverside Morongo Wash, 3/10 mi below San Bernardino Co line Colorado Desert, Little San Bernardino Mts. 670 Comment
  JOTR34348  Bahiopsis parishii Andre, Jim 2012-4-11 20697 Riverside Joshua Tree National Park. N. end of Hexie Mountains, Hidden Tank Picnic Area, approx. 8 mi south of north entrance station, and 1.4 mi SW of paved road (Rte 11) 1076 Comment
  SD253370  Bahiopsis parishii A. C. Sanders 2015-9-11 41872 Riverside Sonoran Desert: Bradshaw Trail at border of Chocolate Mountains Aerial Gunnery Range, 2.25 miles east of Gasline Rd. 646 Comment
  SD258859  Bahiopsis parishii Sarah J. De Groot, Grace Cho 2016-4-4 7769 Riverside Santa Rosa Mountains, SW of palm Desert, N of Alpine Village and Highway 74; Along Dunn Road between Haystack and Asbestos Mountains 1232 Comment
  RSA350650  Baileya multiradiata D. A. Young 1969-3-28 p 430 Riverside Palm Springs. 305 Comment
  CAS-BOT-BC99967  Baileya pauciradiata Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio Comment
  CAS-BOT-BC106609  Baileya pleniradiata H. M. Hall; L. A. Greata 1905-5-1 5912 Riverside Near Palo Verde Comment
  UCR110429  Bassia hyssopifolia A. C. Sanders, Mitch Provance 1999-9-26 23130 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  RSA516869  Bebbia juncea Steve Boyd, Thomas S. Elias, B. Roy, S. Meury, S. Zona 1986-3-5 1342 Riverside Mecca Hills: Box Canyon, along Hwy 195 Comment
  RSA696870  Bebbia juncea J. Russell Bruff 1928-11-23 2 Riverside Whitewater. Comment
  RSA784947  Bebbia juncea Duncan S. Bell 2012-2-12 3125 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  CAS-BOT-BC100137  Bebbia juncea var. aspera Annie M. Alexander; Louise Kellogg 1941-5-15 2182 Riverside north base of Eagle Mountains, Colorado Desert 914 Comment
  JEPS19308  Bebbia juncea var. aspera W. L. Jepson Oct 22 1912-Nov 7 1912 5249 Riverside Blythe Intake, Palo Verde Valley, Colorado River 45 Comment
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Aug 29 2012
  SDSU13510  Bebbia juncea var. aspera W. Miller with C. Mosse 1972-8-9 Riverside Comment
  SEINET3862253  Beloperone californica Sears 1978-3-18 949 Riverside 10 mi. SW of Desert Center, 8 mi S of Interstate 10 on Red Cloud Road following mining Railroad Wash area.; 0 457 Comment
  RSA795476  Bernardia incana C. P. Cowan 1978-4-23 1221 Riverside 12.1 mi (19.2 km) S on Hwy 74 from jct with Hwy 111 at Indian Wells. Whittaker transect no.W-220. 950 Comment
  UCR40449  Beta vulgaris subsp. maritima Steve Boyd 1985-8-7 1119 Riverside Santa Rosa Plateau, Murrieta area, Clinton Keith Rd. near (just east of) Bear Creek golf course Comment
  SBBG133630  Bidens laevis S. D. White, L. Stafford 2007-6-27 11752 Riverside Santa Ana River floodplain just below Prado Dam; Chino Hills State Park 134 Comment
  JOTR34053  Boechera xylopoda La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2953 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; loamy-gravel, steep, southeast facing slopes above Lost Horse Mine Trail Comment
  UCR19108  Boerhavia coccinea John C. Roos 1948-5-15 3858 Riverside Sonoran (Colorado) Desert, S foot of the Eagle Mtns, mouth of Lost Palms Wash Comment
  RSA518302  Boerhavia intermedia A. C. Sanders 1989-9-19 9511 Riverside Chocolate Mtns Aerial Gunnery Range, 1.75 km S of Tabaseca Tank, along the wash above ''Tabaseca Target. 680 Comment
  SD129259  Boerhavia intermedia A. C. Saunders 1989-9-19 9511 Riverside Chocolate Mountains arial gunnery range 1.75 km (airline) south of Tabaseca Tank, along the wash above Tabatesca Target 640 Comment
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Sep 24 2017
  JOTR32618  Boerhavia wrightii La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1628 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  RSA778387  Boerhavia wrightii Amber Swanson 2011-10-9 648 Riverside Around the Hayfields ext N of Hwy I-10. 426 Comment
  UCR114307  Bolboschoenus glaucus Julie A. Greene 1993-4-3 1106 Riverside San Jacinto Valley, San Jacinto Wildlife Area. Raised wet area west of dirt road. 445 Comment
  CAS-BOT-BC31019  Bolboschoenus maritimus Ivan Murray Johnston 1918-5-30 2026 Riverside Temescal Canyon, Lee Lake. 335 Comment
  RSA0120018  Bothriochloa barbinodis Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9069 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
  RSA659621  Bouteloua aristidoides J. C. Roos 1965-9-5 s.n. Riverside Desert center. Comment
  RSA781410  Bouteloua aristidoides Duncan S. Bell 2011-10-22 2990 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  UCR195799  Bouteloua aristidoides var. aristidoides Jim Andre, T. La Doux 2007-9-6 8706 Riverside Little San Bernardino Mountains, Joshua Tree National Park, dirt road to Lost Horse Ranger Station, below Hemmingway Buttress 1237 Comment
  POM161550  Bouteloua barbata Ralph Hoffmann 1929-9-11 s.n. Riverside Thomas Valley, San Jacinto Mountains. Comment
  SD137928  Bowlesia incana Darin L. Banks, Steve Boyd 1995-3-16 103 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; east of the Dripping Springs Alcove, north slope of Wildhorse Peak, on Wildhorse Trail 609 Comment
  SD185111  Bowlesia incana A. C. Sanders 2005-5-4 29848 Riverside Gavilan Hills near Riverside: ca. 1.0 km east and southeast of Gavilan Peak. 625 Comment
  UCR272825  Boykinia rotundifolia Mitch Provance, Justin E. Smith 2015-7-22 715- 02 Riverside San Jacinto Mountains, Stone Creek, about 0.6 mi. WSW of Alhatti Christian Resort and Hwy 243 1601 Comment
  CLARK-A1656-822  Brandegea bigelovii Theo Glenn 1983-1-22 Riverside San Jacinto Mountains 304 Comment
  RSA0124121  Brandegea bigelovii Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8740 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting on the Martinez Slide to the north of Toro Canyon, approximately 5.25 air miles east northeast of the summit of Martinez Mountain. 123 Comment
  UC1022805  Brandegea bigelovii Philip A. Munz 1940-3-23 15674 Riverside s of Pinto Mountains (road Dale to Cottonwood Springs); Cottonwood Springs 609 Comment
  UCD107469  Brandegea bigelovii Lyman Benson 1949-3-28 13572 Riverside Wash at E end of Pines to Palms Highway, just above jct with Palm Springs Indio Rd. 304 Comment
  UCR94241  Brassica geniculata Scott D. White 1996-4-14 3906 Riverside Perris Basin/San Jacinto Mtns., E of Hemet: San Jacinto River Wash near Valle Vista, north of Hwy 74, c. 1.7 mi west of USFS Cranston Fire Station 549 Comment
  RSA278954  Brassica tournefortii B. A. Prigge, L. Martinez 1978-3-23 2397 Riverside NW Colorado Desert, Coachella Valley, 1.7 miles W of North Palm Springs on Dillon Road 274 Comment
  RSA496658  Brassica tournefortii A. C. Sanders 1988-1-30 7590 Riverside Eastern foothills of the Santa Ana Mountains, ca. midway between Murrieta and Temecula. Los Cerritos Ranch and adjacent 80-acre property to the NW; N of Cherry St., W of Adams Ave., S of Meadowlark Ridge Lane and Elm St. 328 Comment
  RSA543164  Brassica tournefortii Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6094 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  SD182672  Brassica tournefortii Judy Gibson 2008-3-17 Riverside City of Palm Desert, weed in street landscaping, Sun City retirement community on Westridge Ave., about 100 yards south of Grape Arbor Ave 34 Comment
  UCR127324  Brassica tournefortii A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25832 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  UCR155832  Brassica tournefortii John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  UCR248325  Brassica tournefortii Duncan S. Bell 2010-4-1 669 Riverside Sonoran (Colorado) Desert, Arica Mountains; west side of Rice Valley, c. 1.2 air miles east of AT & SF railway line, c. 4.2 air miles east of Priest Well and c. 4.3 air mi. SE of the ghost town of Rice 208 Comment
  RSA770437  Brickellia atractyloides var. arguta Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4569 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR25198  Brickellia desertorum John C. Roos 1950-11-25 5026 Riverside N end Perris Blvd, Sunnymead 612 Comment
  UCR256791  Brickellia desertorum T. B. Salvato, Thomas M. Sullivan Jr 2014-4-23 7876 Riverside Gavilan Hills, Southern CA Edison access road east of Lake Street, c. 1 mi north of Hwy 15 and Temescal Canyon 549 Comment
  CLARK-A1528-1673  Brickellia incana John C. Roos 1947-11-1 3751 Riverside Eagle Mountains Comment
  OBI38270  Brickellia incana David J. Keil 1985-8-30 18951 Riverside Along road through Joshua Tree Natl Monument, 5 mi N of I-1 Comment
  RSA191993  Brodiaea coronaria E. W. Lathrop 1960-5-27 5209 Riverside 6 miles west of Murrieta. 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
  JOTR33668  Bromus berteroanus La Doux, Tasha 2005-9-1 1594 Riverside Joshua Tree National Park. Eagle Mountains, northwest end; 3.5 miles north of Cottonwood Visitor Center; granitic outcrops with sandy wash Comment
  UCR44200  Bromus carinatus A. C. Sanders 1986-6-1 6539 Riverside San Jacinto Mtns., trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista road [=Apple Canyon Rd.] 1829 Comment
  CSUSB424  Bromus catharticus Kheng Try Seng 1966-4-24 660424 2 Riverside University of California, Riverside (UCR) campus 274 Comment
  UCR183174  Bromus diandrus Mitch Provance 2003-5-5 4400 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCR91486  Bromus hordeaceus Scott D. White, M. Jacobsmeyer 1996-4-20 3970 Riverside Perris Basin, near Perris Airport; c. 100 m south of Case Road and 100 m west of the San Jacinto River Channel 433 Comment
  UC1131209  Bromus madritensis subsp. rubens A. Lewis Mar 1933 178 Riverside 2 1/2 mi s of Horseshoe Lake ((also found on Gavilon Peak)) 152 Comment
  UCR171953  Bromus rubens John F. Green 2006-4-18 s.n. Riverside NE of Murrieta, just south of Los Alamos Rd. ('Clinton Keith Rd.'), on E and W sides of Liberty Rd. border between City of Murrieta and unincorporated French Valley 415 Comment
  POM363957  Bromus rubens E. A. McGregor 1964-9-15 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  RSA0020664  Bromus tectorum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3599 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  RSA774506  Bromus tectorum Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4429 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell., Between N33.94217, W116.64118 and N33.94722 W116.64312 487 Comment
  UCR156367  Bromus tectorum T. B. Salvato, Kent Beaman 2005-5-16 873 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
  RSA653708  Caesalpinia virgata Scott D. White 2000-3-27 7640 Riverside Coachella Valley, Indio Hills area: Bajada at south side of hills, in Granite Rock Aggregate Quarry operation area. Disturbed soils near powerline tower on S margin of quarry. 46 Comment
  UCR216677  Caesalpinia virgata Jim Andre, T. La Doux 2009-3-10 11238 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
  CAS-BOT-BC438489  Calandrinia ciliata Steve Boyd 1986-4-2 1607 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park. 640 Comment
  UCR136263  Calandrinia ciliata A. C. Sanders 2004-4-20 27566 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  UCR16506  Calandrinia ciliata Karen Cook 1966-3-17 s.n. Riverside 100 yd east of north-south railroad tracks on corner of Tanescalst and Compton Ave., Corona 274 Comment
  UCR104625  Callitriche marginata D. E. Bramlet 1992-4-3 2206 Riverside 7.3 km SW of Hemet, 30 m east of California Ave and 108 m north of the AT & SF railroad tracks, NE of the intersection of California Ave. and Marvin Hull Road and 305 m west of the MWD Canal Comment
  RSA618416  Calocedrus decurrens D. L. Banks 1997-5-5 1960 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, approximately 60 m east of its intersection with Pechanga Creek 396 Comment
  SD229032  Calocedrus decurrens Dick Schwenkmeyer 2012-8-27 804 Riverside 3.2 miles southeast of the intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1887 Comment
  UC813614  Calocedrus decurrens Carl Epling 1931-10-3 Riverside Strawberry Valley San Jacinto Mts., Strawberry Valley 1524 Comment
  UCR139964  Calochortus concolor John F. Green, M. D. Wilcox 2003-6-11 s.n. Riverside San Jacinto Mtns., Tripp Flats Road south of Bautista Canyon Rd. 1220 Comment
  UCR178331  Calochortus concolor T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 614 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  POM48587  Calochortus invenustus Mary F. Spencer 1919-6-20 1353 Riverside Idyllwild. San Jacinto Mountians. 1616 Comment
  RSA5545  Calochortus invenustus Carl B. Wolf 1932-8-5 3966 Riverside Trail from Tahquitz Valley to San Jacinto Peak, San Jacinto Mountains. 2744 Comment
  RSA297994  Calochortus palmeri var. munzii H. M. Beard, R. S. Beard 1967-7-1 s.n. Riverside Vacant lot, Idyllwild, Alderwood and Pine Crest Roads. 1646 Comment
  CAS-BOT-BC132460  Calochortus plummerae Marcus E. Jones 1926-6-20 s.n. Riverside Near [Bannnig] Banning Comment
  RSA659415  Calochortus splendens Marcy Keys 1981-5-16 64 Riverside 2 miles southeast of Lake Elsinore where Arbalado Lane runs into foothills. 404 Comment
  RSA764126  Calochortus splendens Linda M. Prince, Duncan S. Bell 2009-6-17 575 Riverside Cleveland National Forest Comment
  UCR175072  Calochortus splendens Teresa Nieto 2005-4-24 16 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  CAS-BOT-BC483507  Calochortus splendens Steve Boyd 1986-4-22 1761 Riverside Terrace escarpment west side of Indian Wash, south of I-15, Temescal Canyon Comment
  RSA25595  Calochortus weedii Carl B. Wolf 1941-6-27 10899 Riverside Santa Ana Mountains, Ortega Highway, E of its summit. 762 Comment
  SD136973  Calochortus weedii var. weedii Steve Boyd, Tim Ross 1992-6-10 7624 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, near the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek 405 Comment
  POM146768  Calycadenia tenella J. B. Feudge 1927-5-19 1793 Riverside Elsinore 412 Comment
  JOTR34395  Calycoseris parryi Andre, Jim 2012-4-16 20926 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 2.4 miles north Cottonwood Visitor's Center 955 Comment
  SEINET7379730 Image available Calycoseris wrightii H. K. Sharsmith 1952-4-11 4064 Riverside Northwest base of Chuckawalla Mountains 7 miles south of highway 60-70 1750 Comment
  JOTR34304  Calyptridium monandrum Andre, Jim 2012-4-11 20717 Riverside Joshua Tree National Park. Pinto Basin; along road to Cootonwood, I mi NW of Fried Liver Wash, approx. 15 mi S of Hwy 62 in Twentynine Palms 617 Comment
  SEINET7063457  Calyptridium monandrum A. G. Vestal 1947-3-30 s.n. Riverside About 3.8 miles east of Sage on East Benton Road. Tucalota Valley. UTM Zone 11, 502421mE, 3715161mN. (WGS84/NAD83). 565 Comment
  UCR20731  Calyptridium monandrum A. C. Sanders, Steve Boyd 1980-5-2 1413 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  CSUSB656  Calystegia macrostegia John N. Bullock 1970-5-18 P 34 Riverside 50 meters east of Maitri Road at a spot 200 meters south of the junction of Maitri Road and California State Highway 71 341 Comment
  UCD126084  Calystegia macrostegia subsp. arida C. L. Hitchcock; C. V. Muhlick 1962-3-16 22155 Riverside Temescal Canyon, ca. 12 miles southeast of Corona. Comment
  SD122189  Calystegia macrostegia subsp. tenuifolia James C. Dice, Tu Chung 1987-10-19 740 Riverside Santa Margarita Ecological Reserve; along road to Field Station, ca. 0.4 km eastnortheast of Field Station site. 349 Comment
  UCR273982  Calystegia sepium subsp. binghamiae Mitch Provance 2013-5-29 513- 14 Riverside Santa Ana River Valley, Riverside, Fairmount Park, W side of Lake Evans, W side of Dexter Drive, just SW of the American Legion. 241 Comment
  CAS-BOT-BC199279  Calystegia sepium subsp. limnophila S. B. Parish 1900-9-20 4612 Riverside Riverbottom along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River at the Mission Bridge, along bike path, vicinity of old Boy Scout camp 238 Comment
  UCR164895  Camissonia S. J. Myers 2001-4-5 s.n. Riverside San Jacinto Mtns., Bautista Canyon 884 Comment
  RSA766633  Camissonia boothii Thomas Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-22 165 Riverside McCoy Wash. N of I-10. Rd going N from Black Rock Rd. S side of private land boundary. 244 Comment
  UCR117378  Camissonia boothii B. G. Pitzer 1998-2-1 3449 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed 427 Comment
  RSA4965  Camissonia boothii subsp. condensata Carl B. Wolf 1932-4-27 3032 -A Riverside Palm Springs. 152 Comment
  CSUSB179  Camissonia brevipes Michael J. Arbaugh 1978-5-27 Riverside Coachella Valley Coachella Valley; 2 miles east of Dillon Road and 1000 Palms Canyon Road intersection, about 5 miles east of 1000 Palms; found on the side of a canyon wall. Comment
  UCR148311  Camissonia brevipes John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  JOTR32163  Camissonia brevipes subsp. brevipes La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2315 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Large sandy canyon with braided wash that feeds southwest into Wilson Canyon (Stop 7) 902 Comment
  JOTR29161  Camissonia californica La Doux, Tasha, K. Knudsen, J. Galvin 2005-8-22 1238 Riverside Joshua Tree National Park. Key's view Comment
  RSA678219  Camissonia californica Valerie L. Soza, J. Mark Porter, Gary D. Wallace 2001-4-2 1086 Riverside Big Morongo Wash. 473 Comment
  UCR85175  Camissonia californica A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16095 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  UCR98343  Camissonia californica A. C. Sanders, G. Helmkamp 1997-3-15 19919 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 549 Comment
  POM163413  Camissonia cardiophylla Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring. Comment
  RSA72277  Camissonia cardiophylla Robert L. Dressler 1949-3-19 390 Riverside Box Canyon, Orocopia Mts. Comment
  RSA776245  Camissonia cardiophylla Duncan S. Bell 2010-3-20 637 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 215 Comment
  SEINET4568273 Image available Camissonia cardiophylla Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4600 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  RSA448927  Camissonia claviformis subsp. aurantiaca M. B. Dunkle 1935-3-17 4407 Riverside Colorado Desert. 610 Comment
  SEINET3108358  Camissonia claviformis subsp. lancifolia Faulkner 1978-3-15 272 Riverside 1 mile west Hwy 95, 25 miles N of Blythe. 152 Comment
  UCR120539  Camissonia hirtella D. E. Bramlet, P. Jacks, S. Goode 1989-4-6 1799 Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 482 Comment
  UCR158523  Camissonia hirtella A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30047 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
  UCR280966  Camissonia hirtella Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-23 517- 36 Riverside Temescal Valley, Temescal Valley, Indian Wash, SE side of Glen Eden Rd. at De Palma Rd. 372 Comment
  UCR231774  Camissonia ignota John F. Green 2008-4-23 08- 26 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  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
  UCR51020  Camissonia ignota S. J. Myers 1988-2-24 s.n. Riverside Peninsular Range, Temescal Canyon, about 0.25 mi west of intersection of Hwy I-15 and Indian Truck Trail 381 Comment
  POM272038  Camissonia pallida subsp. pallida Lyman Benson 1933-3-31 4156 Riverside San Bernardino Mt. Range. US 66 [actually US 60], Beaumont. 457 Comment
  RSA776943  Camissonia refracta Amber Swanson 2011-3-19 236 Riverside W of Eagle Mtn Rd to Railroad tracks abt 5 mi N of I-10 307 Comment
  CLARK-A1528-3362  Camissonia strigulosa John C. Roos 1943-8-8 2703 Riverside San Jacinto Mountains 1615 Comment
  POM48923  Camissonia strigulosa P. A. Munz 1924-5-18 8146 Riverside 18 miles from Banning on Idyllwild Road [Hwy 243?]. 1524 Comment
  UCR133405  Camissonia strigulosa Tracy Tennant, J. S. Ross 1998-5-7 MOR- 82 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Wood Canyon, c. 0.6miles NNW of Cabazon. 1280 Comment
  SBBG101677  Camissoniopsis bistorta S. Boyd with T. Ross, M. Hammitt 1991-5-2 6047 Riverside Vail Lake region, Billy Goat Mtn, ca. 3 mi N of Hwy 79, ca. 1 mi W of Hwy 371, N of Aguanga; T8S, R1E, W1/2 S15 600 Comment
  SD133054  Camissoniopsis bistorta Scott White 1991-5-13 91 90 Riverside Highway 79, immediately west of U. S. Forest Service Campground at Dripping Springs. 548 Comment
  UCR265606  Camissoniopsis hirtella Jordan Zylstra 2014-3-18 14009 Riverside San Jacinto Mountains, Apple Canyon, west of Apple Canyon Road 1453 Comment
  UC69873  Camissoniopsis ignota Mrs. C. M. Wilder 1905-4-20 87 Riverside near Riverside; Jurupa Hills, Wilder's Canyon Comment
  UC1537608  Camissoniopsis micrantha Gordon H. True Jr. 1935-2-26 20 Riverside Mockingbird Canyon 457 Comment
  UC219221  Camissoniopsis pallida subsp. pallida P. A. Munz and I. M. Johnston 1922-5-6 5223 Riverside Smith Water Canyon Little San Bernardino Mts. 1005 Comment
  UCR277745  Cardamine Mitch Provance 2011-7-29 17039 Riverside Santa Ana River Valley, Santa Ana River Wash, area between Market St. and the 60 Freeway 244 Comment
  UCR109649  Carex T. W. Fisher, R. E. Orth 1964-6-25 s.n. Riverside San Jacinto Mtns., Lake Hemet near stream 1311 Comment
  RSA364677  Carex heteroneura Anstruther Davidson s.n. Riverside Idyllwild. San Jacinto. Comment
  UC212812  Carex schottii I. M. Johnston 1928-4-27 1859 Riverside Murrieta Southern California 304 Comment
  UCR151364  Carex triquetra Scott D. White, T. B. Salvato 2001-6-8 8585 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley 579 Comment
  CLARK-A1528-5731  Castilleja affinis John C. Roos 1937-5-10 2075 Riverside Perris Comment
  UCR172254  Castilleja affinis 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
  RSA400521  Castilleja angustifolia Frances L. Cramer 1941-5-3 20325 Riverside Joshua Tree National Monument Comment
  POM11505  Castilleja applegatei subsp. martinii Philip A. Munz 1922-7-7 6036 Riverside Above Tamarrack Valley. 2927 Comment
  JOTR31005  Castilleja chromosa La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1288 Riverside Joshua Tree National Park. Stop 4: Hexie Mountains, Blue Cut Gorge, canyon with sandy bottom and steep rocky walls Comment
  RSA773593  Castilleja exserta Duncan S. Bell, Joy D. England 2010-6-14 1305 Riverside San Bernardino National Forest: Garner Valley, just west of Highway 74 approximately 2.5 miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1367 Comment
  JEPS16663  Castilleja exserta subsp. exserta Rimo Bacigalupi with Gene Newcomb 1954-4-25 4400 Riverside 0.75 mi s Sage (along Calif Hwy 79, close to summit of St. Johns Grade, 9.5 mi n of junction with Calif Hwy 71) 731 Comment
  UC1012297  Castilleja foliolosa F. W. Pennell and A. L. Grant 1940-4-28 25280 Riverside e of Hemet (Route 74) 548 Comment
  UC26427  Castilleja foliolosa Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  UCR131621  Castilleja martinii L. C. Wheeler 1931-10-3 193 Riverside San Jacinto Mtns., summit of Tahquitz Peak 2691 Comment
  RSA0010954  Castilleja miniata subsp. miniata Mary F. Spencer 1919-6-21 1210 Riverside In open woods. 1616 Comment
  POM312155  Castilleja minor subsp. spiralis N. C. Cooper 1194 Riverside Whitewater Canyon. 457 Comment
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Jun 26 2008
  POM94483  Caulanthus Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. Comment
  POM159839  Caulanthus cooperi E. C. Jaeger 1928-3-26 s.n. Riverside Eagle Mts, Colorado Desert. Comment
  RSA152540  Caulanthus heterophyllus R. C. Bacigalupi 1952-4-1 3597 Riverside Near Summit of first grade E of Aguanga (2 miles E), on road to Anza. Comment
  UCR20735  Caulanthus heterophyllus A. C. Sanders, Steve Boyd 1980-5-2 1396 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR67366  Caulanthus heterophyllus Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3909 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn, north of Lake 823 Comment
  SBBG101642  Caulanthus lasiophyllus S. Boyd with T. Ross 1990-5-11 4621 Riverside Vail Lake, base of Agua Tibia Mtn, E of Dripping Springs Cmpgrd, S of Hwy 79; area burned previous fall Comment
  RSA0054958  Ceanothus Keith E. Hoffmaster 1932-1 502 Riverside Santa Ana Mts. [Orange or Riverside]. Comment
  SD128305  Ceanothus cordulatus R. Mitchel Beauchamp 1971-5-15 2412 Riverside On slopes, Black Mt. campground, San Jacinto Mountains. 2207 Comment
  SD229235  Ceanothus cordulatus Dick Schwenkmeyer 2012-9-18 833 Riverside Skunk Cabagge Meadow, 3 mi. (via trail) east od Humber Park, Idyllwild. 2432 Comment
  PASA1640  Ceanothus crassifolius Sally Ellis 1940-3-17 Riverside Dripping Springs Comment
  RSA570226  Ceanothus crassifolius Steve Boyd, Tim S. Ross 1993-3-23 7895 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road, 610 Comment
  RSA575072  Ceanothus crassifolius Steve Boyd 1981-3-4 810304 -T 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
  SD90222  Ceanothus crassifolius Robert F. Thorne, E. Lathrop 1969-6-6 39332 Riverside Santa Rosa Plateau; Rancho California, openings & margins of chaparral 609 Comment
  SEINET10493624  Ceanothus crassifolius James S. Miller 1992-5-8 Miller 7455 Riverside 1 mi N of California route 74 on Main Divide Road; near NE border of Cleveland National Forest. 900 Comment
  UCR132416  Ceanothus crassifolius A. C. Sanders 2004-2-6 27387 Riverside Santa Ana Mtns., foothills at edge of Temescal Valley, intact ridge at a development called 'Trilogy at Glen Ivy,' south of Brown Canyon 442 Comment
  UCR174966  Ceanothus crassifolius Teresa Nieto 2005-4-24 21 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  UCR76761  Ceanothus crassifolius B. G. Pitzer, Stu Hemstreet 1992-5-21 1949 Riverside Santa Ana Mtns., Cleveland National Forest, State Hwy 74, 1 mi. uphill of the 2,000 ft. marker & to the left 0.1 mi. on an old paved road 762 Comment
  CAS-BOT-BC49182  Ceanothus cuneatus var. cuneatus D. O. Burge 2007-3-21 803 b Riverside San Jacinto Moutains, at intersection of Chimney Flats Road and USFs Road 5S13, 2.8 road miles (4.5 km) 1440 Comment
  UC870570  Ceanothus greggii var. vestitus P. A. Munz, I. M. Johnston 1922-5-19 5447 Riverside Kenworthy, San Jacinto Mountains 1432 Comment
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Mar 25 2011
  POM282968  Ceanothus leucodermis E. W. Lathrop 1966-3-20 6072 Riverside Summit Temecula. Comment
  UCD112250  Ceanothus leucodermis Maureen H. Pendleton 1988-2-1 s.n. Riverside Ca. 2 1/2 mi. S of Temecula between I-215 and Rainbow Canyon Road. 411 Comment
  UCD166567  Ceanothus leucodermis Dylan O. Burge 2016-6-13 2118 Riverside Santa Ana Mountains, roadside on California State Route 74, just W of Lake Elsinore. 608 Comment
  UC1535384  Ceanothus oliganthus var. sorediatus Dave Hawks 1987-3-2 Riverside s of Hemet (intersection of Palm Ave. and Saddle Ridge Trail.) 472 Comment
  RSA570224  Ceanothus ophiochilus Steve Boyd, Tim S. Ross 1993-3-23 7893 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road, 610 Comment
  UC1611573  Ceanothus ophiochilus Steve Boyd, Tim Ross 1993-3-23 7892 Riverside Palomar Range s of Vail Lake (at n base of Agua Tibia Mt., Agua Tibia Wilderness Area, Cleveland National Forest, along trail extending s from end of Woodchuck Road); Palomar Range, Cleveland Nat'l Forest, Agua Tibia Mt. 609 Comment
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Sep 20 2010
  RSA601167  Ceanothus palmeri Scott D. White 1996-8-15 4476 Riverside Idyllwild area: USFS Rd. 5S10 at jct w/ foot trail 2E16, at an intermittent stream channel. 1646 Comment
  LA44916  Ceanothus perplexans H. Lewis; 1939-4-9 sn Riverside Pines to Palms Highway 761 Comment
  RSA0022327  Ceanothus perplexans Justin M. Wood 2009-3-10 347 Riverside Twin Pines Rd, near entrance to Twin Pines Ranch. 695 Comment
  RSA0124024  Ceanothus perplexans Duncan S. Bell, Thomas Stoughton 2016-4-14 9299 Riverside Santa Rosa Mountains; near the head of Deep Creek and near the trailhead of the Cactus Spring Trail, at an old mining area above this trail. 1219 Comment
  RSA0022331  Ceanothus perplexans P. A. Munz 1922-7-3 5959 Riverside South side of Santa Rosa Mts. 1677 Comment
  RSA524608  Ceanothus tomentosus subsp. olivaceus Steve Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3931 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  UCR102817  Ceanothus tomentosus subsp. olivaceus A. C. Sanders 1997-3-19 20060 Riverside Lake Skinner area, upper Rawson Canyon, west of Black Mountain, along the road from Lake Skinner 549 Comment
  CAS-BOT-BC77629  Celtis reticulata Rimo Bacigalupi 1935-6-27 2358 Riverside 1/4 mile up, at head of 16th St., Banning Comment
  RSA126838  Cenchrus spinifex H. S. Yates 1937-6-28 6741 Riverside Near Indio. 30 Comment
  JEPS30698 Image available Centaurea X pouzinii F. Willmarth 1961-10-18 Riverside near Corona (old Fuller Rancho) Comment
  UC284195  Centaurea melitensis P. A. Munz 1923-6-18 7123 Riverside 3 mi n of Lake Elsinore 411 Comment
  SD134524  Centromadia pungens subsp. laevis Craig Reiser 1991-7-10 Riverside Moreno Valley, Sycamore Canyon Park W of Eucalyptus Street Comment
  UCR266368  Centromadia pungens subsp. laevis D. E. Bramlet 2005-6-28 3887 Riverside Temecula, just west of Cherry St. and Adams Ave., near confluence of Warm Springs Creek and Santa Gertrudis Creek 316 Comment
  UC1929296  Centromadia pungens subsp. pungens Scott D. White, Justin Wood 2008-6-26 12295 Riverside Perris Basin; I-215 freeway @ stream crossing, just W of golf course and just N of Newport Rd. 434 Comment
  CAS-BOT-BC179728  Centrostegia thurberi Annie M. Alexander; Louise Kellogg 1941-5-15 2176 Riverside N base of Eagle Mountains. Colorado Desert 914 Comment
  JOTR31096  Centrostegia thurberi La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2260 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Cobble toe slopes at the base of Ryan Mountain, north end of Lost Horse Hills (Stop 3) Comment
  UCR243513  Centrostegia thurberi Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21081 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, up side canyon approx. 400 m. west of main canyon drainage 1172 Comment
  UCR90805  Cerastium glomeratum A. C. Sanders, G. K. Helmkamp 1996-3-17 17983 Riverside Sonoran (Colorado) Desert, Coachella Valley, Palm Springs, mouth of Palm Canyon, c. 0.5 km east of Palm Canyon Dr. on Bogert trail 163 Comment
  CSUSB1617  Cercidium floridum Wayne White 1975-5-17 Riverside Chuckwalla Mountains On Red Cloud Road, off Highway I-10, Chuckwalla Mountains. Colorado Desert. 484 Comment
  UC195339  Cercidium floridum subsp. floridum S. B. Parish 1916-5-13 10833 Riverside Shafer's Well Colorado Desert Comment
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Mar 10 2011
  UC68619  Cercidium floridum subsp. floridum H. M. Hall Apr. 1905 5931 Riverside McCoy Wash Colorado Desert Comment
  POM243639  Cercocarpus betuloides E. C. Jaeger 1938-10-2 s.n. Riverside Little San Bernardino Mountains. 1220 Comment
  POM293590  Cercocarpus betuloides Lyman D. Benson 1946-4-15 12036 Riverside Canyon on Twenty-nine Palms Road from Whitewater. 457 Comment
  UCR35158  Cercocarpus betuloides L. B. Ziegler 1972-4-8 446 Riverside San Jacinto Mtns, S side of Thomas Mtn 1829 Comment
  UC1366099  Cercocarpus betuloides var. betuloides K. R. Montgomery 1969-9-6 47 Riverside 18 mi s of Hemet (Wilson Valley Road) 1097 Comment
  SD187337  Chaenactis artemisiifolia Scott D. White, Angelia Carey 2004-4-16 10151 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 548 Comment
  UCR19838  Chaenactis artemisiifolia Henry E. Davis 1969-5-18 29 Riverside Beaumont Badlands, off Redlands Blvd., on top of ridge 1 mile from main road 734 Comment
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Sep 13 2015
  UCR78445  Chaenactis artemisiifolia Scott D. White 1993-4-22 1247 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  SD185127  Chaenactis carphoclinia John F. Green 2005-3-14 Riverside East of north shore of Salton Sea, northnortheast of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29. 24 Comment
  UCR139718  Chaenactis carphoclinia B. G. Pitzer 1989-4-16 1298 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, just outside impact area, 1 km south of Tabaseca Tank 700 Comment
  SEINET10801716  Chaenactis carphoclinia var. carphoclinia David B. Dunn 1947-3-16 Dunn 2907 Riverside Hill slope by quadrat IV. Pushawalla Canyon Biota. Indio Hills. Comment
  RSA21381  Chaenactis fremontii C. B. Wolf 1937-5-4 8526 Riverside Colorado Desert, Little San Bernardino Mts, Morongo Wash, 1 miles below San Bernardino County line. 610 Comment
  RSA695711  Chaenactis fremontii Keith E. Hoffmaster 1933-4-14 s.n. Riverside Tahquitz Canyon.Fern Valley, San Jacinto Mtns Comment
  SD215393  Chaenactis fremontii W. Wisura, A. King and L. Newcomb 1992-4-10 4664 Riverside Low Desert: Missin Creek west of Highway 62 below Morongo Valley Comment
  RSA93812  Chaenactis fremontii F. W. Peirson 1926-2-22 6501 Riverside On talus slope east of bridge over Whitewater River, head of Coachella Valley Comment
  RSA700020  Chaenactis glabriuscula Scott D. White, Michael Honer 2003-4-25 9105 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  UCR155057  Chaenactis glabriuscula Jason L. Hlebakos 2005-5-30 815 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
  UCR250363  Chaenactis glabriuscula A. C. Sanders 2014-4-9 40995 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. north of intersection with Indian Truck Trail, c. 0.18 km southeast of El Hermano Rd., NW of Corona (Lee) Lake 316 Comment
  JEPS34142  Chaenactis glabriuscula var. glabriuscula W. L. Jepson and H. M. Hall 1901-5-17 1246 Riverside San Jacinto town to Strawberry Valley 487 Comment
  POM158451  Chaenactis glabriuscula var. glabriuscula Philip A. Munz 1927-5-21 10877 Riverside 10 miles SW of Coahuila [now Cahuilla] Comment
  UC31027  Chaenactis glabriuscula var. lanosa H. M. Hall Jun 1901 2180 Riverside Thomas Valley San Jacinto Mountains 1371 Comment
  UC63016  Chaenactis glabriuscula var. lanosa H. M. Hall April 1903 3784 Riverside vicinity of Riverside 396 Comment
  JEPS44368  Chaenactis parishii Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4280 Riverside about 2 1/2 mi above lower end of road to Santa Rosa Peak Comment
  UCD130434  Chaenactis parishii Victor Duran 1933-7-1 3492 Riverside near Santa Rosa, Santa Rosa Mountains. 1828 Comment
  UC894494  Chaenactis stevioides C. L. Hitchcock 1940-3-29 5853 Riverside ca 100 yards e of Spring; Cottonwood Canyon Comment
  RSA49386  Chaenactis stevioides var. stevioides P. A. Munz 1949-4-12 13026 Riverside North base of Eagle Mts., Mojave Desert 945 Comment
  SBBG29402  Chamaesyce abramsiana D. Myrick 1968-3-5 1813 Riverside Country Club Rd, E of Palm Desert 60 Comment
  VVC2185  Chamaesyce abramsiana Tim Thomas, Paul Frank, Art Schuab, Mike Honer 2012-9-5 5884 Riverside Colorado River Valley, Wilson Road; 0.3 miles 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
  RSA727388  Chamaesyce micromera Naomi Fraga, Lisa Rojas 2005-2-10 1377 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  SEINET3365548  Chamaesyce micromera G. Rink 2011-9-25 11075 Riverside South of I-10 at the Ford Dry Lake Exit, in a swale that sometimes holds water 110 Comment
  SEINET4207484  Chamaesyce micromera Duncan S. Bell 2011-10-22 3000 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
  RSA668235  Chamaesyce nutans A. C. Sanders 1994-11-8 15863 Riverside Sonoran (Colorado) Desert Coachella Valley, Palm Desert. Weeds in lawns & flower beds along a commercial strip on Hwy 111 between Hwy 74 and Sage Lane. 46 Comment
  JEPS19344  Chamaesyce polycarpa I. W. Clokey and B. C. Templeton 1930-4-9 4675 Riverside n Palm Springs; Colorado Desert 180 Comment
  JEPS19346  Chamaesyce polycarpa I. W. Clokey, B. C. Clokey, and C. B. Clokey 1930-4-15 4732 Riverside Perris-Gavilan Peak 600 Comment
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Jul 5 2010
  RSA336187  Chamaesyce polycarpa var. polycarpa R. F. Thorne, W. Wisura, A. Shmida, R. Whittaker 1978-4-23 52044 Riverside Just E of Palm Desert. Comment
  RSA518277  Chamaesyce setiloba A. C. Sanders 1989-9-19 9509 Riverside Chocolate Mtns Aerial Gunnery Range, 1.75 km S of Tabaseca Tank, along the wash above ''Tabaseca Target. 680 Comment
  POM12201  Cheilanthes clevelandii P. A. Munz 1922-4-29 5116 Riverside 5 miles west of Aguanga. 732 Comment
  UCR144101  Cheilanthes clevelandii Scott D. White 1998-2-7 6070 Riverside Agua Tibia Mtns, N boundary of USFS Agua Tibia Wilderness, c. 1 air mi south of the Hwy 79 junction with Woodchuck Road 640 Comment
  UC667376  Cheilanthes covillei Annie M. Alexander and Louise Kellogg 1941-5-21 2211 Riverside canyon n slope of Eagle Mts Colorado Desert, Eagle Mts 1280 Comment
  UCR178965  Cheilanthes covillei Mitch Provance, Tracy Tennant 1998-6-16 MOR- 398 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, just north of tree stand M-09 1280 Comment
  UC1077121  Cheilanthes newberryi Herbert L. Mason 1926-5-2 3201 Riverside Temecula Valley Comment
  POM12431  Cheilanthes parryi E. C. Jaeger 1921-3-28 s.n. Riverside Colorado Desert: Box Canyon, north of Mecca Comment
  RSA748607  Cheilanthes parryi Scott D. White, Justin M. Wood 2009-4-28 12604 Riverside City of Desert Hot Springs. Comment
  UC42427  Cheilanthes viscida S. B. Parish and W. F. Parish Jan. 1880 Riverside n of Palm Springs (Whitewater Canyon) Comment
  RSA0076313  Chenopodium L. C. Wheeler 1945-10-6 6138 Riverside San Jacinto Mountains. Head of west fork of Snow Creek. 2377 Comment
  RSA0116272  Chenopodium album Mitch Provance, Ken Halama 2003-6-15 17062 Riverside Temescal Mountains: Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  RSA522105  Chenopodium ambrosioides Steve Boyd, Timothy S. Ross 1989-8-28 3798 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  UCR167823  Chenopodium berlandieri T. B. Salvato, Melissa Clemons 2005-6-23 1308 Riverside Peninsular Range; Temescal Valley, Walker Canyon, 1.5 mi due east of Alberhill, N of Hwy I-15 412 Comment
  UCR171135  Chenopodium berlandieri John F. Green 2005-5-17 s.n. Riverside Perris-Aguanga Basin, Markham Pit; Gravel pit on SE corner of Markham Street and Day Street, south of March Air Force Base 537 Comment
  UCR92249  Chenopodium botrys Scott D. White 1995-8-23 3565 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  GMDRC5050  Chenopodium murale J. Andre, G. L. Clifton 2011-2-22 17465 Riverside Mecca Hills: along Box Canyon Rd, 10.3 mi. NE of town of Mecca 219 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
  UCR112475  Chenopodium pratericola A. C. Sanders, Mitch Provance, T. B. Salvato 2000-4-18 23325 Riverside Coachella Valley, along Dillon Rd. at junction with Tyler, north of I-10, east of Indio and north of Coachella 5 Comment
  UCR115164  Chenopodium strictum var. glaucophyllum Mitch Provance 2000-10-14 2255 Riverside Jurupa Mtns., Crestmore area, along the south side of El Rivino Rd., c. 0.4 miles north of Crestmore Quarries. 287 Comment
  SD229110  Chilopsis linearis Dick Schwenkmeyer 2012-5-22 713 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  UC1929903  Chilopsis linearis Scott D. White, Angelia Carey 2004-7-2 10565 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. San Jacinto 7.5' Quad. Comment
  SEINET12267883  Chilopsis linearis Unknown 1936-1 12874 Riverside Colorado Desert N of Palm Springs Comment
  RSA69269  Chimaphila menziesii F. W. Peirson 1924-7-27 4986 Riverside Dark Canyon, San Jacinto Mts. 1905 Comment
  UCR50730  Chloracantha spinosa Don Pendleton 1988-5-17 s.n. Riverside Sonoran (Colorado) Desert, just west of Blythe along canal near Hobson Way. 75 Comment
  SD27991  Chloris virgata Carl B. Wolf 1932-4-28 3071 Riverside Colorado Desert. Chuckwalla Valley, 20 mi west of Blythe on the Mecca Road. 121 Comment
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Mar 26 2011
  RSA607322  Chorizanthe R. S. Woglum 1939-4-11 2214 Riverside Sonoran Desert: near Rice, east portal, Coxcomb Tunnel. . Comment
  JOTR31101  Chorizanthe brevicornu var. brevicornu La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2359 Riverside Joshua Tree National Park. Little San Bernardino Mountains, north end of Lost Horse Hills; Side canyon off main wash between Ryan Mtn and Lost Horse Hills, with steep rocky slopes (Stop 4) Comment
  UCSB1332  Chorizanthe brevicornu var. brevicornu Kamb, Peter 1948-4-11 Riverside Aqueduct Road 5 mi east of Carnet, Coachella Valley 304 Comment
  SEINET244669  Chorizanthe coriacea A. C. Sanders, T. B. Salvato 2001-5-3 24073 Riverside Perris-Aguanga Basin region: Hemet, SE corner of State Street at Gibbel. 1712 ft. hill at east end of Diamond Valley. 494 Comment
  HSC78585  Chorizanthe corrugata G. K. Helmkamp 1983-3-24 3838 Riverside Little Chuckwalla Mtns., N base, 1.5 mi. E of Graham Pass Rd. 335 Comment
  UC635066  Chorizanthe corrugata Margaret Stason 1927-2-12 Riverside 1000 Palm Canyon Colorado Desert, 1000 Palm Canyon Comment
  SBBG89136  Chorizanthe fimbriata L. F. LaPre 1988-6-2 Riverside Indian Truck Trail S end of wash which crosses unser de Palma Rd ( frontage rd to Interstate-15) near Glen Eden Resort 365 Comment
  UCR245669  Chorizanthe fimbriata Elizabeth A. Kempton, Steve Boyd, Valentin Arvizu 2006-6-27 393 Riverside [SW of Vail Lake] east of Woodchuck Road, roadside, near alluvial bench next to Kolb Creek 495 Comment
  SDSU4926  Chorizanthe fimbriata var. fimbriata H. Wedberg 1962-5-23 933 Riverside 4.8 miles from Hwy 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
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Jan 24 2013
  UCR35076  Chorizanthe fimbriata var. laciniata L. B. Ziegler 1967-8-22 220 Riverside Santa Rosa Mtns., Terwilliger Valley and Tule Canyon 1250 Comment
  RSA784515  Chorizanthe leptotheca Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 72 Riverside Crossing of Woodchunk road and 79 Hwy Comment
  UCR217527  Chorizanthe leptotheca Jeff B. Galvin 2010-6-8 135 Riverside Perris-Aguanga Basin, Temescal Canyon between Hwy I-15 and Temescal Canyon Road, south of the west end of Lee Lake 342 Comment
  UCR154432  Chorizanthe polygonoides subsp. longispina A. C. Sanders, Mike Misenhelter 2005-6-15 30940 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
  UCR266278  Chorizanthe polygonoides subsp. longispina D. E. Bramlet, R. E. Riefner Jr., Ileene Anderson 2005-4-19 3809 Riverside Hills west of Hemet-Ryan Airport, west of California Ave., south of Hwy 74, north of Stowe Rd. 599 Comment
  UCR78441  Chorizanthe polygonoides var. longispina Scott D. White 1993-4-20 1207 Riverside Estelle Peak, Gavilan Hills 826 Comment
  RSA392785  Chorizanthe procumbens J. Olmstead 1962-5-10 3638 Riverside Potrero country along S Divide T.T. [South Main Divide Road], SE end of Santa Ana Mts., SSW of Lake Elsinore Comment
  JEPS57723  Chorizanthe rigida W. L. Jepson 1927-4-12 11665 Riverside Mecca Hills Painted Canyon, Mecca Hills 76 Comment
  RSA0049855  Chorizanthe rigida Jim Andre 2014-1-27 26666 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
  UCR261484  Chorizanthe xanti subsp. leucotheca A. C. Sanders, Katie Young, John Hale 2015-4-22 41587 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 1.6 km south of I-10, 1.2 km NW (319 deg. ) of One Horse Spring 458 Comment
  CAS-BOT-BC36264  Chrysolepis sempervirens Carl B. Wolf 1932-8-5 3987 Riverside San Jacinto Mts., along trail from Tahquitz Valley to San Jacinto Peak, between 1st and 2nd wet meadow 2743 Comment
  UCSB1023  Chrysolepis sempervirens Haller, John 1950-5-20 Riverside Summit of San Jacinto Peak 3291 Comment
  POM12416  Chrysothamnus nauseosus subsp. bernardinus P. A. Munz 1922-9-7 6406 Riverside Tamarack Valley, San Jacinto Mts. 2866 Comment
  SEINET3102125  Chrysothamnus paniculatus Marc A. Baker, Michelle Cloud-Hughes 2011-10-13 17476 Riverside Cottonwood Mountains, Pinkham Canyon, 45km ESE of Palm Springs, 26km NW of Chiriaco Summit, 2.5km south of the Snow Cloud Mine. 808 Comment
  SD258444  Chylismia brevipes subsp. brevipes J. M. Andre 2013-3-27 24818 Riverside Riverside Mountains; east side of Riverside Mountains, along Nwy 95, 13.2 miles S of Vidal Jst. Parker SW 7.5'Q 125 Comment
  UC873882  Chylismia brevipes subsp. brevipes I. W. Clokey 1935-4-17 6773 Riverside mesa Shafer Wells-Cottonwood Springs 25 Comment
  RSA0043054  Chylismia cardiophylla subsp. cardiophylla Duncan S. Bell, Evan Meyer 2014-4-1 6487 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; center of this range; approximately 4.75 air miles northwest of Gucci Spring; approx. 5 air miles north of the Bradshaw Trail. 759 Comment
  CAS-BOT-BC160609  Chylismia claviformis subsp. aurantiaca John C. Angsbury 1930-1-1 s.n. Riverside Indio Comment
  UC1184362  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-2-15 11584 Riverside along US Hwy 60 24.7 mi e turn to Corm Springs; Chuckwalla Mountains Comment
  UC874160  Chylismia claviformis subsp. aurantiaca I. W. Clokey and B. C. Templeton 1930-4-9 4725 Riverside n Palm Springs; Colorado Desert 170 Comment
  JOTR31103  Cirsium neomexicanum La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2361 Riverside Joshua Tree National Park. Little San Bernardino Mountains, north end of Lost Horse Hills; Open gravelly slopes with sandy wash at base leading to Ryan Mountain campground (Stop 6) Comment
  POM115623  Cladium californicum A. M. Alexander, Louise Kellogg 1941-5-17 2191 Riverside Near Dos Palmas. Comment
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Apr 6 2011
  POM13997  Clarkia dudleyana E. C. Jaeger 1921-6-13 938 Riverside San Jacinto Mountains, McMullen Trail [Banning to McMullen Flat] 915 Comment
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Nov 5 2011
  RSA180407  Clarkia epilobioides E. W. Lathrop 1965-5-30 5785 Riverside 6 miles W of Murrieta. Comment
  OBI33538  Clarkia purpurea subsp. quadrivulnera Patricia Tomlinson 1981-5-24 33 Riverside SW Riverside Co. At Mesa Colorado, approx 1 mi S of Tenaja rd, 3 mi E of Squaw Mtn, area near vernal pools 652 Comment
  UCR165912  Clarkia rhomboidea T. B. Salvato, John F. Green 2004-5-27 552 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  CLARK-A1045-291  Clarkia similis George K. Helmkamp 1979-5-16 Riverside San Jacinto Mountains at State Highway 74; chaparral; ; Hemet 15'Q 609 Comment
  UCR101464  Clarkia similis A. C. Sanders 1997-4-10 20329 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  VVC335  Clarkia unguiculata Markell Kohn 1959-4-26 s.n. Riverside Santa Ana River Valley., UCR campus; behind greenhouse 16 next to Eucalyptus. 340 Comment
  RSA0059956  Clarkia unguiculata J. C. Roos, L. Roos 1952-4-28 5587 Riverside South side Fairount Park. 259 Comment
  UCR265604  Claytonia parviflora Jordan Zylstra 2014-3-18 14011 Riverside San Jacinto Mountains, Apple Canyon, west of Apple Canyon Road 1453 Comment
  UCR200687  Claytonia parviflora subsp. parviflora Steve Boyd, Aydee Virgen 2004-4-13 10882 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  UCR16509  Claytonia parviflora subsp. utahensis Carole Sims 1965-5-1 s.n. Riverside San Jacinto Mtns., Tahquitz Meadows [Camp Tahquitz Meadows, north of Hwy 74 at site of Keen Camp, east of Mtn. Center], about 25 yards northeast from place stream crosses under road 1372 Comment
  RSA614415  Claytonia parviflora subsp. viridis D. L. Banks 1997-3-16 1548 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound. 567 Comment
  RSA180251  Claytonia perfoliata subsp. mexicana E. W. Lathrop 1965-4-18 5659 Riverside 10 miles west of Murrieta. Comment
  RSA25841  Clematis lasiantha Carl B. Wolf 1941-8-15 11156 Riverside Santa Ana Mountains E slope along Main Divide Motorway between Indian Canyon summit and Trabuco Pk. Alt. 4500 ft. 1372 Comment
  RSA386286  Clematis pauciflora Ora M. Clark 1929-4-6 1940 Riverside S San Jacinto. Comment
  RSA495428  Clematis pauciflora Steve Boyd, Tim S. Ross, L. Arnseth 1989-3-12 2954 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA49191  Cleome isomeris P. A. Munz 1949-4-13 13042 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
  SEINET3089077 Image available Cleome isomeris C. F. Shutts 1949-3-19 57 Riverside Cottonwood Pass, Little San Bernardino Mtns. 305 Comment
  RSA544380  Cnicus benedictus Steve Boyd, Timothy S. Ross 1991-6-14 6395 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  RSA0117423  Collinsia concolor Steve D. Boyd, C. Boyd, K. Boyd, R. Noyes, L. Arnseth 1988-5-28 2263 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  RSA487448  Collinsia concolor Jack Easton 1988-5-2 s.n. Riverside Anza area. 1189 Comment
  RSA0030789  Collinsia concolor N. C. Cooper 1944-5-20 1290 Riverside Palms to Pines Highway [Hwy. 74], San Jacinto Mountains. 1372 Comment
  RSA408229  Collinsia heterophylla var. heterophylla Anstruther Davidson 1923-5-1 s.n. Riverside Idyllwild Comment
  POM122479  Collomia grandiflora Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  SDSU20187  Colubrina californica Carolyn Martus, Joseph Betzler, Caesara Brungraber, Lance Woolley 2008-4-23 1217 Riverside Northwest of the Blythe airport and in the washes east of the McCoy mountains. 199 Comment
  UCSB61501  Colubrina californica Sanders, A.; Lawlor, E. 1992-4-4 Riverside Within 1/2 mile of McCoy Spring; alluvial slopes below and to the south and canyon bottom above the spring. 243 Comment
  UC2030037  Condaliopsis parryi James Henrickson 1979-4-7 17817 Riverside ca. 18 miles NW of Borrego Springs, SE of Terwilliger, in upper Coyote Canyon, north of Fig Tree Canyon. Comment
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Apr 13 2017
  SBBG101698  Conium maculatum S. Boyd, T. Ross 1991-6-14 6378 Riverside Warm Springs Crk at the NE end of Hogbacks Ridge, from Alamos Rd, S to confluence with Adobe Spring tributary, 2-3 mi NW of Murrieta Hot Springs Comment
  CDA39884  Convolvulus arvensis Scott D. White 1998-6-28 6787 Riverside Cismontane Riverside County; Corona: River Road bridge over the Santa Ana River. Comment
  SD122941  Convolvulus arvensis Steve Boyd 1985-7-23 1003 Riverside 5.2 miles west of Rancho California on De Luz Road. 395 Comment
  JOTR29265  Cordylanthus rigidus subsp. setiger La Doux, Tasha, Mike Bell, Mariya Navasio 2005-9-21 1377 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Wonderland of Rocks; Near Wall Street Mill parking area 1310 Comment
  RSA550023  Coreopsis bigelovii Walter Wisura, A. King, L. Newcomb 1992-4-10 4674 Riverside Colorado Desert, Morongo Valley, Mission Creek Ranch W of Highway 62 below Morongo Valley. Comment
  POM356005  Coreopsis californica Ora M. Clark 1929-4-6 1943 Riverside South of Hemet. Comment
  SEINET270123  Coreopsis californica Steve Boyd, Orlando Mistretta; Tim Ross 1992-2-26 6701 Riverside San Mateo Canyon Wilderness Area ; Santa Ana Mountains San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon 305 Comment
  RSA0114924  Corethrogyne filaginifolia Mitch Provance 2012-7-17 712 -20 Riverside San Gorgonio Pass: Smith Creek SW of Banning, near corner of Sunset Ave. and Bobcat Rd 735 Comment
  SBBG56001  Cornus nuttallii F. C. Vasek 1964-7-25 640725 -18 Riverside Dark Cyn near Wet Cyn Cmpgrd Comment
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May 19 2012
  SBBG59864  Cornus nuttallii M. Lewis 1947-8-26 25 Riverside N slope of Dark Cyn 1981 Comment
  UCR111067  Crassula aquatica D. E. Bramlet 1998-4-21 2601 Riverside maintenance road adjacent to (east of) the MWD canal & approximately 488m north from the canal crossing at the existing weather station, 701 m east of Hwy 79 and 1.22 km south of Holland Road, 50m west of the Shipley Reserve. 450 Comment
  UCR171913  Crassula connata John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, Temecula, Southern California Edison right of way between residential areas, N-S corridor between S General Kearny Road and La Serena Way; east of Veterans Park 366 Comment
  UCR266788  Crassula connata Mitch Provance, Matt Amalong, Eric Kline 2015-3-24 315- 05 Riverside Paloma Valley, Menifee, NE corner of the intersection of Scott Rd. and Menifee. 454 Comment
  CLARK-A1045-231  Crassula erecta George K. Helmkamp 1978-4-1 Riverside Whitewater junction of Interstate highway 10 and Verbenia Avenue; Whitewater 7.5'Q Comment
  UCR93050  Cressa truxillensis Steve Boyd, D. L. Banks 1994-9-29 8373 Riverside Lake Elsinore, Floodplain east of dike along San Jacinto River, west of Sedco Hills community 381 Comment
  CAS-BOT-BC175811  Crossosoma bigelovii John Thomas Howell 1928-3-11 3414 Riverside Morongo Canyon, n. Colorado Desert 609 Comment
  CAS-BOT-BC181564  Crossosoma bigelovii Marcus E. Jones 1929-3-9 s.n. Riverside Whitewater, Colorado Desert Comment
  RSA145908  Crossosoma bigelovii W. S. Davis 1960-3-12 105 Riverside Whitewater Canyon rd, 4.6 mi. N of junction with Hwy. 60, 70, 80. S facing slopes up side canyon. Comment
  RSA625172  Crossosoma bigelovii L. C. Wheeler 1963-3-17 8247 Riverside Santa Rosa mountains: Martinez Canyon. 670 Comment
  SBBG55861  Crossosoma bigelovii B. Gustafson 1977-4-7 Riverside Whitewater Cyn Rd exit from Interstate 10, ca. 2.5 mi W of jct Interstate 10 with State 62 near start of Pacific Crest Trail 609 Comment
  SEINET3083387 Image available Crossosoma bigelovii P. A. Rauch 1968-2-22 Riverside Cottonwood Canyon, San Bernardino Mts. Comment
  HSC79298  Croton californicus G. K. Helmkamp 1983-10-8 - 37 Riverside TNC Big Morongo Preserve, S of town of Morongo Valley in Big Morongo Canyon, beside pipeline road 762 Comment
  RSA543194  Croton californicus Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6114 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain 3 miles N Highway 79, 1 mile W of Highway 371, N of Aguanga. 600 Comment
  SEINET3164599  Croton californicus L. S. Copel 1904-5-4 sn Riverside West Canyon, Palm Springs; Colorado Desert Comment
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Aug 3 2013
  UCR106916  Croton californicus D. L. Banks, Lauren Raz 1996-11-5 1185 Riverside Agua Tibia Mountains, Pechanga Indian Reservation, south of San Gabriel Church; along a newly established firebreak along a NW-SE running ridgeline, near the water tank in section 34 421 Comment
  UCR128255  Croton californicus A. C. Sanders, Kelly Volansky 2003-10-16 27345 Riverside Moreno Valley, lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  UCR110378  Crypsis schoenoides A. C. Sanders, Mitch Provance 1999-9-26 23107 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  UCR116477  Crypsis schoenoides A. C. Sanders, T. B. Salvato 2001-5-25 24377 Riverside San Jacinto Valley, west end of Hemet-Ryan airport runway, 50-200 m east of Warren Rd. and 100-200 m north of Stetson Ave. 457 Comment
  CAS-BOT-BC189259  Cryptantha John H. Thomas 1957-3-29 6516 Riverside Between Banning and Cabazon, about 2 miles E of Banning near railroad tracks 609 Comment
  JEPS67471  Cryptantha angustifolia W. I. Follett 1942-5-20 125 Riverside 25.5 mi w Desert Center (near Shaver Summit); Colorado Desert Comment
  RSA778221  Cryptantha angustifolia Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 774 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  UCR138589  Cryptantha angustifolia Steve Boyd, T. S. Elias, Erika Winter 1986-2-18 1317 Riverside Western Colorado Desert, Mecca Hills: Painted Canyon north of Hwy 195 Comment
  JOTR28812  Cryptantha barbigera La Doux, Tasha 2005-2-7 1080 Riverside Joshua Tree National Park. Above Hayfield Dry Lake 553 Comment
  SEINET3083687 Image available Cryptantha barbigera Andrew C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16130 Riverside Sonoran (Colorado) Desert; mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point & I-10, Coachella Valley 329 Comment
  UCR102912  Cryptantha barbigera George K. Helmkamp 1998-4-4 3174 Riverside Sonoran (Colorado) Desert, 7.1 miles north of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumping station 305 Comment
  UCR214160  Cryptantha barbigera T. B. Salvato 2010-4-20 4062 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  JOTR34275  Cryptantha barbigera var. barbigera La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3290 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
  UCR137634  Cryptantha barbigera var. fergusoniae George K. Helmkamp 1998-2-5 2645 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, 1.1 mi. west of Calif. Hwy 111 on Tramway Rd. 335 Comment
  UCR256763  Cryptantha corollata T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7885 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
  RSA0079340  Cryptantha cycloptera L. C. Wheeler 1953-3-31 7036 Riverside Near Mountaineer Mine. Comment
  RSA0081526  Cryptantha dumetorum Marc A. Baker, Michelle Cloud-Hughes 2014-2-16 17916 Riverside Rice Valley, lower bajada on the north side of the Big Maria Mountains, 11km WNW of Quien Sabe Point, 35km NNW of Blythe. 312 Comment
  RSA287662  Cryptantha intermedia Lyman Benson 1932-3-26 3177 Riverside Temecula Grade. Temecula Valley. 549 Comment
  RSA586920  Cryptantha intermedia D. L. Banks, S. D. Boyd 1995-5-3 255 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
  UCR140444  Cryptantha intermedia A. C. Sanders 2004-4-9 27454 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
  UCR94245  Cryptantha intermedia Scott D. White 1996-4-14 3926 Riverside Perris Basin/San Jacinto Mtns., E of Hemet: San Jacinto River Wash near Valle Vista, north of Hwy 74, c. 1.7 mi west of USFS Cranston Fire Station 549 Comment
  VVC123  Cryptantha intermedia A. C. Sanders, J. Mac 1997-5-4 20637 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
  JOTR35357  Cryptantha maritima Harding, Mitzi, M. Wheeler 2011-1-26 142 Riverside Joshua Tree National Park. Pinto Basin, where Chuckwalla Valley meets Pinto Wash, between NE Eagle Mountains and W Coxcomb Mountains along dirt road (STOP1) 267 Comment
  OBI38912  Cryptantha maritima A. C. Sanders, B. Pitzer & D. Charlton, & Kniffen, D. Charlton, & Kniffen 1986-3-3 6121 Riverside Corn Spring, Chuckwalla Mts, wash below the spring and wash and rocky slopes to the south (T6S, R16E, sec 28-projected) 488 Comment
  RSA776338  Cryptantha maritima Duncan S. Bell, Amanda Turek 2010-4-10 817 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  UC598645  Cryptantha maritima John Bright 1936-4-21 12823 Riverside n of Palm Springs; Colorado Desert Comment
  NY1154442  Cryptantha micrantha N. H. Holmgren 1973-3-22 6462 Riverside Rice Valley, 7 miles south-southwest of Rice 274 Comment
  POM305855B  Cryptantha micrantha Henry J. Ramsey 1938-4-23 1165 -B Riverside Santa Rosa Mtns. Comment
  RSA346260  Cryptantha micrantha R. F. Thorne, C. W. Tilforth 1980-4-16 54049 Riverside Along Whitewater River, E of bridge and levee Comment
  UC1329936  Cryptantha micrantha James E. Cole 1941-6-15 905 Riverside Black Spring Wash Joshua Tree National Monument 1280 Comment
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Feb 24 2013
  SD247354  Cryptantha micrantha subsp. micrantha A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41430 Riverside San Gorgonio Pass: San Gorgonio River wash, c.3.7 miles east of Cabazon, c. 1.25 mi NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms. 427 Comment
  RSA633317  Cryptantha micrantha var. lepida R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38080 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  RSA614473  Cryptantha microstachys D. L. Banks 1997-4-5 1702 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just west of the Pechanga Indian Reservation boundry, at the headwaters of a tributary of the north fork of Pechanga Creek. 768 Comment
  UCR165406  Cryptantha microstachys A. C. Sanders 2005-4-21 29569 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  UCR199922  Cryptantha microstachys Scott D. White, Justin Wood 2008-4-16 11883 Riverside Perris/Elsinore Basin, hills to the west of I-215 and south of Scott Rd. 549 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
  UC24694  Cryptantha muricata H. M. Hall Jun 1901 2180 Riverside Thomas Valley San Jacinto Mountains 1371 Comment
  RSA0079433  Cryptantha muricata var. jonesii C. P. Cowan 1978-4-25 1270 Riverside 5.1 miles (8.1 km) west on Hwy. 74 from jct. with 243, approaching Hemet. San Jacinto Mts. Whittaker transect no. W-228. 1370 Comment
  CDA40506  Cryptantha nevadensis T. C. Fuller 1962-4-4 7990 Riverside Colorado Desert; Highway 99 [later renumbered Highway 86], 1.3 miles north of Oasis. 0 Comment
  SEINET3195133 Image available Cryptantha nevadensis var. nevadensis Andrew C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37461 Riverside Sonoran (Colorado) Desert; SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak (McCoy Peak 7.5' Q.) 204 Comment
  CLARK-A1045-103  Cryptantha pterocarya George K. Helmkamp 1977-3-20 Riverside San Jacinto Mountains flats above Deep Canyon; ; Palm Desert 15'Q 1066 Comment
  UCSB40036  Cryptantha pterocarya Cowan, Clark 1978-4-23 Riverside 12.1 mi. S. on Hwy. 74 from its jct. with Hwy. 111 at Indian Wells 950 Comment
  GMDRC5808  Cryptantha pterocarya var. stenoloba J. M. Andre, Glenn Clifton, Ron Kelley 2013-3-21 24395 Riverside West Riverside Mountains;: at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 mi. SW of Vidal Jct, 3 mi. south of 'Grommet' RR xing at Hwy 62 363 Comment
  SEINET3084283 Image available Cryptantha racemosa P. Leary, K. Liska 1975-4-7 1041 Riverside 1 mile southwest of Aqua Peak, Coxcomb Mountains, Joshua Tree National Monument 853 Comment
  RSA339324  Cryptantha utahensis R. F. Thorne, C. W. Tilforth 1980-5-28 54206 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
  RSA394313  Cucurbita foetidissima Jeannette B. Edge 1934-4-22 s.n. Riverside Jurupa Mountains. 457 Comment
  UCR116778  Cucurbita foetidissima A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24169 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
  UC28914  Cucurbita palmata H. M. Hall 1901-8-6 2654 Riverside vicinity Riverside 457 Comment
  RSA388505  Cuscuta californica Steve Boyd 1986-5-1 1811 Riverside Bachelor Mtn.: Lower south slopes of Bachelor Mtn., east end of Lake Skinner. Comment
  SDSU13832  Cuscuta subinclusa W. Miller 1972-7-20 Riverside 1/4 mi. south of gate. Comment
  SD130198  Cylindropuntia californica var. parkeri George E. Lindsay 1960-11-6 Riverside 6 miles southeast of Riverside, in rolling granite hills. (IPB 7/07) Comment
  UC718129  Cylindropuntia californica var. parkeri Carl B. Wolf 1939-2-24 9491 Riverside 2.4 mi n Aguanga (on road to Anza) 762 Comment
  SEINET2057212 Image available Cylindropuntia echinocarpa C. F. Schutts 1949-3-28 126 Riverside Palms to Pines Hwy State 74, 14 miles SE of Palm Springs. 152 Comment
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Jul 4 2015
  RSA0098479  Cylindropuntia ganderi var. ganderi Marc A. Baker 2015-7-4 18385 .2 Riverside San Jacinto Mountains, 25 km SSE of central Palm Springs, 800m WSW of Sugarloaf Mountain. 1236 Comment
  POM182500  Cymopterus panamintensis var. acutifolius M. French Gilman 1930-4-6 7 Riverside [Monsen] Canyon, Eagle Mts. 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
  SEINET7581721 Image available Cyperus erythrorhizos Steve Boyd 1982-11-2 s.n. Riverside Gavilan Hills region, Temescal Canyon at the confluence of "Estelle Creek" and Temescal Creek, at the northern end of the entrenched meander of Temescal Creek at the western base of Estelle Mountain. 329 Comment
  SD224786  Cyperus involucratus A. C. Sanders, G. Helmkamp 1996-3-17 17981 Riverside Coachella Valley: Palm Springs, Tahquitz Cyn. In vicinity of the debris basin above the W end of Sunny Dunes Rd. 185 Comment
  CSUSB1282  Dalea californica Tony Beck 1968-4-28 680428 5 Riverside Colorado Desert West Colorado Desert. 4 miles south of trout farm on Whitewater Canyon Road. About 100 yards east of the road in dry, sandy soil. 548 Comment
  POM128977  Dalea mollis E. E. Schellenger 19 Riverside Colorado Desert. Santa Marie Mts. [Little or Big Maria Mountains] Comment
  RSA718771  Dalea mollissima Michael Honer, L. Hulse 2004-4-4 1930 Riverside SW base of Cottonwood Mtns., near MWD aqueduct, appx. .75 mi. N of I-10. E edge of Pinkham Wash. 488 Comment
  UC2042147  Datisca glomerata R. F. Thorne with E. W. Lathrop, W. Wisura 1977-7-8 49547 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons. Comment
  UCR92140  Datisca glomerata D. L. Banks, Steve Boyd 1995-5-3 0202 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
  RSA777778  Datura discolor Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy, Naomi Fraga 2011-3-17 758 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  CHSC1917  Datura wrightii V. Holt 1935-4-16 Riverside Foothills, San Jacinto mts., E. Comment
  SD181708  Deinandra fasciculata Scott D. White 2001-6-29 8628 A Riverside Menifee Valley, ca. 1.4 nmile southwest of I-215/Newport Road interchange, northwest of the intersection of Holland Road and Bradley Road. 438 Comment
  SD233742  Deinandra kelloggii A. C. Sanders, Kelly Volansky 2003-10-16 27348 Riverside Moreno Valley: lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. Alluvial slopes and low hills cut by sandy washes. 534 Comment
  UCR274535  Deinandra paniculata Mitch Provance, Ken Halama 2003-6-15 17067 Riverside Temescal Mountains, Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  RSA149631  Delphinium parishii Harlan Lewis, C. Epling 1941-5-2 s.n. Riverside 1 mile W. of Cottonwood Spring, Joshua Tree National Monument. Comment
  RSA336418  Delphinium parishii Robert F. Thorne 1978-4-23 52058 Riverside Palm to Pines Highway: Above Palm Desert., north slope Santa Rosa Mountains. Comment
  CAS-BOT-BC7976  Delphinium parishii subsp. parishii H. Lewis; C. Epling 1941-5-7 S.N. Riverside 3 miles N. of Cottonwood Spring, Joshua Tree Nat. Mon. Comment
  RSA69414  Delphinium parryi F. W. Peirson 1929-5-4 8337 Riverside Mostly about bushes on low hill about 2 miles south of summit of St. Johns Grade south of Hemet. 701 Comment
  UCR231736  Delphinium parryi John F. Green 2008-4-23 08- 07 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  RSA433242  Dendromecon rigida subsp. rigida A. M. Johnson 1932-8-18 4137 Riverside San Jacinto Mtns. east side along road Comment
  RSA586332  Dendromecon rigida subsp. rigida D. L. Banks, S. D. Boyd 1995-5-3 197 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
  CAS-BOT-BC198167  Deschampsia danthonioides W. A. Silveus 1938-4-16 2644 Riverside Marsh flying field near Elsinore Comment
  RSA563901  Deschampsia danthonioides A. C. Sanders 1993-4-5 13696 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74)., (Near 33 deg 46'N, 117 deg 03'W) 460 Comment
  UCR143105  Deschampsia danthonioides Steve Boyd, D. E. Bramlet 1996-4-19 8599 Riverside San Jacinto Valley, c. 2 air mi NE of Winchester and 0.5 mi west of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Ave., north of Stetson Ave, west of Metropolitan WAter District canal. 457 Comment
  UCR21969  Deschampsia danthonioides var. gracilis Steve Boyd 1980-5-13 260 Riverside Gavilan Hills, Harford Springs County Park, at NW corner of the Gavilan Plateau 640 Comment
  UC489085  Descurainia obtusa subsp. adenophora C. V. Meyer 1928-7-26 522 Riverside 0.5 mi e Dutch Flat; San Jacinto Mts. 1828 Comment
  RSA776086  Descurainia pinnata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 818 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 396 Comment
  UC856042  Descurainia pinnata I. W. Clokey 1935-4-17 6650 Riverside Cottonwood Springs Comment
  UCR59505  Descurainia pinnata Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3242 Riverside Peninsular Range, Vail Lake area, Butterfield Valley, SE of Lake near Temecula Creek. 488 Comment
  JOTR30321  Descurainia pinnata subsp. glabra La Doux, Tasha, E. Babich, J. Galvin, B. Truesdell, N. Fraga, A. Miller, J. Van Warmerdam 2008-2-4 1766 Riverside Joshua Tree National Park. Hexie Mountains, southern end; Porcupine Wash. Stop #1: Open sandy wash near road heading to Cottonwood. 745 Comment
  JOTR01031  Descurainia pinnata subsp. ochroleuca Cole, James E. 1941-4-15 599 Riverside Joshua Tree National Park. 1 MILE ABOVE PINON WELL 1493 Comment
  RSA0013031  Descurainia sophia LeRoy Gross, Caitlin Elam 2013-5-14 6050 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
  CAS-BOT-BC402294  Dicentra chrysantha H. M. Hall 1897-5-14 564 Riverside San Jacinto Mountains. At lower altitudes Comment
  RSA697660  Dicentra chrysantha Elisabeth Norland 1929-5-10 s.n. Riverside Glen-Ivy. Along roadside. Comment
  UCR120947  Dichelostemma capitatum A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23882 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  UCR127555  Dichelostemma capitatum A. C. Sanders, T. B. Salvato 2003-5-21 26797 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
  UCR260839  Dichelostemma capitatum A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41514 Riverside San Gorgonio Pass, c. 1.5 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope between the water bottling plant and I-10 and west along dirt track, near Elm St. 498 Comment
  UCSB840  Dichelostemma capitatum Kamb, Peter 1947-6-8 Riverside Hall Canyon, San Jacinto Mts 1645 Comment
  UCR91490  Dichelostemma capitatum subsp. capitatum Scott D. White 1995-4-5 2712 Riverside Moreno Valley, Base of slope in 'Badlands', off [Moreno-Redlands] Blvd 640 Comment
  SEINET156510  Dichelostemma pulchellum Norman C. Cooper 1944-4-8 1093 Riverside Andreas Canyon. 457 Comment
  RSA501037  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3158 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  CAS-BOT-BC292186  Dicoria canescens Louis C. Wheeler 1933-12-1 2287 Riverside 2 mi. E Cabezon [Cabazon], San Gorgonio Pass 640 Comment
  CAS-BOT-BC292188  Dicoria canescens Geo. B. Grant 1909-1-20 s.n. Riverside Palm Springs Comment
  POM202563  Dicoria canescens Marcus E. Jones 1933-11-7 s.n. Riverside Cabazon Comment
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Sep 16 2011
  UC64816  Dicoria canescens E. E. Schellenger 1904-10-15 50 Riverside Whitewater Station 0 Comment
  UC892747  Dieteria asteroides var. asteroides Duranto Street 1918-5-13 1 Riverside near Hemet 335 Comment
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Mar 24 2011
  CLARK-A1528-53  Digitaria ischaemum John C. Roos 1951-9-25 5276 Riverside Riverside 259 Comment
  SEINET3243833  Diospyros virginiana A. C. Sanders, John Goodman 1999-1 22903 Riverside San Bernardino Mtns.: Mill Creek Canyon, on S side of Hwy 38, 1.2 mi. above Mountain Home Creek at Mtn. Home Village. 1231 Comment
  CAS-BOT-BC150939  Diplacus bigelovii var. bigelovii H. Dearing; M. Dearing 1937-5-10 s 1638 Riverside Near Hayfields, Colorado Desert Comment
  RSA0019290  Diplacus brevipes A. C. Sanders 2008-7-25 35896 Riverside east side of May Valley, NE of Bonita Vista Rd. at foot of hills 1543 Comment
  SBBG97162  Diplacus puniceus W. L. Halvorson 1977-4-1 77 -218 Riverside 5 mi S of Temecula on County Rd S16 Comment
  SD186337  Diplacus puniceus Andy C. Sanders, Mike Misenhelter 2005-3-23 29260 Riverside Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCD64449  Distichlis spicata H. S. Yates 1937-6-27 6704 Riverside Near Relief, Gilman Hot Springs. 457 Comment
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Dec 17 2011
  UCR121896  Distichlis spicata Ian G. Gillespie 2001-5-7 79 Riverside East side of Santa Ana Mountains, Temescal Valley Area, also known as Sycamore Canyon Area. North of Indian Truck Trail, in drainage off of De Palma Road. Heavy construction currently underway in adjacent areas 335 Comment
  RSA421605  Ditaxis lanceolata I. M. Johnston 1917-4-4 s.n. Riverside Andreas Canon [see my comment at locn B, above -SDW 2004] Comment
  SBBG104636  Ditaxis lanceolata T. Glenn 1991-4-29 91 -62 Riverside McCoy Mtns, NW of Blythe; T5S, R20E, S 27 & 34 Comment
  UCR128935  Ditaxis lanceolata Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Sonoran (Colorado) Desert, Canyon Spring, Orocopia Mtns. 372 Comment
  RSA776941  Ditaxis lanceolata Amber Swanson 2011-3-19 234 Riverside W of Eagle Mtn Rd to Railroad tracks abt 5 mi N of I-10 307 Comment
  JOTR28957  Ditaxis neomexicana La Doux, Tasha 2005-3-30 1193 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  SEINET3350031  Ditaxis neomexicana Stephen Hale 2012-1 4814 Riverside Black Point Mesa, Big Maria Mts., 0.25 mi. W SR 95, 15 Mi. N Blythe. 1850 Comment
  RSA793973  Ditaxis serrata var. serrata Duncan S. Bell, John Anderson, Kim Clark, Keir Morse 2012-11-10 4352 Riverside Big Maria Mountains: southeast section of range, approximately 0.6 air miles northwest of Palo Verde Dam. 97 Comment
  NY43247  Dithyrea californica C. R. Annable 1995-3-16 2296 Riverside Ca. 13km NE of Desert Center, on Hwy 177 Comment
  POM14206  Dithyrea californica P. A. Munz, D. D. Keck 1922-4-14 4983 Riverside 10 mi. west of Indian Wells. Along the Whitewater Wash 91 Comment
  UC1329976  Dithyrea californica James E. Cole 1941-3-30 449 Riverside Pinto Basin Joshua Tree National Monument 457 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
  POM95311  Dithyrea californica Marcus E. Jones 1906-4-20 s.n. Riverside Indio. Comment
  UCR23259  Dodecatheon clevelandii John C. Roos 1958-4-3 s.n. Riverside Plateau in Reche Canyon Comment
  CAS-BOT-BC70833  Dryopteris arguta G. R. Kleeberger 1878-12-30 s.n. Riverside Temescal Comment
  POM17941  Dryopteris arguta P. A. Munz 1923-6-14 7112 Riverside Glen Ivy Trail to Santiago Peak 1066 Comment
  UC2059984  Dudleya lanceolata K. Nakai 1981-6-4 773 Riverside Temecula River Canyon, ca. 1/4 mi W of Highway I-15 . Comment
  UCR209225  Dudleya lanceolata R. G. Swinney 1969-5-18 476 Riverside San Bernardino Mtns., Whitewater Canyon 640 Comment
  RSA192294  Dudleya pulverulenta H. A. Zuill 1966-7-17 294 Riverside on the De Luz rd SW of Murrieta Comment
  JOTR33935  Dudleya saxosa subsp. aloides La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2825 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  UCR242720  Dysphania pumilio A. C. Sanders 2013-7-6 40841 Riverside Peninsular Range; San Jacinto Mountains, Idyllwild, SE part of town near Saunders Meadow, west end of Tahquitz View Dr. toward Crestview Dr. 1707 Comment
  POM8382  Dyssodia porophylloides Mary F. Spencer 1918-4-8 510 Riverside Palm canyon. 183 Comment
  UCR59847  Echinochloa colona George K. Helmkamp 1989-9-16 s.n. Riverside Sonoran (Colorado) Desert, W of Blythe, c. 0.5 mi. south of Hwy I-10 ['I-8'] , at Seeley Ave. [=16th Ave.] and Calif. Hwy 78 79 Comment
  JOTR35167  Echinochloa crus-galli La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3271 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  SD217180  Echinochloa crus-galli Darin L. Banks, Lauren Raz 1996-8-29 1134 Riverside NW foothills of Dorland Mountain; along Los Caballos Road, approx. 0.5 meters south of Highway 79, 100 meters north of the Golf Course access road; along the east side of the road under the drip irrigation line to a vineyard (I(c) mile north of T8S R2W S24) 398 Comment
  RSA463705  Ehrharta erecta Mira M. Bogen 1987-5-10 s.n. Riverside [Riverside?] Along Van Buren Boulevard between bridge over Santa Ana river and sewer. Comment
  SEINET954735  Ehrharta longiflora Tom Chester 2005-1 581 Riverside Peninsular Ranges; Santa Ana Mountains region: Santa Margarita Ecological Reserve: Temecula Gorge, south side. 239 Comment
  RSA757452  Elatine californica R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55207 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road. 730 Comment
  UC485123  Eleocharis macrostachya Carl V. Meyer 1928-7-30 580 Riverside Saunders Meadow San Jacinto Mountains Comment
  UCR109744  Eleocharis montevidensis T. W. Fisher 1963-10-3 s.n. Riverside Peninsular Range, Temecula area, Vail Lake 457 Comment
  UCR21017  Eleocharis parishii A. C. Sanders, S. D. Boyd 1980-5-19 1503 Riverside San Jacinto Mountains, Strawberry Creek c. 100 m below the point where Hwy 74 crosses. 902 Comment
  JOTR33781  Elymus elymoides subsp. elymoides La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2932 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast side of Quail Mountain; Steep, loamy, loose slopes just below the summit (stop 3) Comment
  UC38220  Elymus elymoides subsp. elymoides H. M. Hall June, 1901 2073 Riverside vicinity of Chalk Hill San Jacinto Mountains (s slopes) 1524 Comment
  SEINET4208316  Elymus glaucus subsp. glaucus Steve Boyd, Tim 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 of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek.; 0 671 Comment
  UCR91549  Elymus triticoides A. C. Sanders 1995-11-26 17916 Riverside Tule Creek Valley, NE of Tule Peak, between Aguanga and Anza, south of Hwy 371 1311 Comment
  HSC93130  Emmenanthe penduliflora Karen Kirtland 1993-4-17 Riverside Hills N of Temecula Comment
  RSA676092  Emmenanthe penduliflora Scott D. White 2001-4-13 8318 Riverside Badlands; County landfill area north of Moreno Valley. About 1/4 air mi NW of the SR-60 Freeway jtn with Gilman Springs Rd. 595 Comment
  RSA678348  Emmenanthe penduliflora Steve Boyd, Amber Maurice, Pesach Lubinsky, Lel Lubinsky 2003-4-17 10461 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
  UCR135993  Emmenanthe penduliflora Virginia Moran 2003-3-26 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and west of Wilson Creek 915 Comment
  POM97137  Emmenanthe penduliflora P. A. Munz 1925-5-20 9834 Riverside 2 miles W of Dripping Spring. 427 Comment
  UCR260542  Emmenanthe penduliflora var. penduliflora T. B. Salvato 2014-5-29 8027 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Debon Street, c. 0.7 mi west of Murrieta Rd and 4.4 mi southeast of Canyon Lake 537 Comment
  POM13872  Encelia actoni E. C. Jaeger 1921-7-15 1167 Riverside San Jacinto Canyon 610 Comment
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Nov 6 2011
  RSA775808  Encelia actoni Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 888 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 915 Comment
  UC1118035  Encelia actoni A. Lewis 1933-1-26 140 Riverside Cactus Valley San Jacinto Quad., Cactus Valley 640 Comment
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Mar 20 2011
  UCR100290  Encelia farinosa B. G. Pitzer 1997-4-20 3176 Riverside Lakeview Mtns, top of the hill on Dutton Street, just east of Horseshoe Trail, at a point c. 0.4 mi. north of Stagecoach Road. 640 Comment
  UCR101568  Encelia farinosa Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  UCR20716  Encelia farinosa A. C. Sanders, Steve Boyd 1980-5-2 1439 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UC1979833  Encelia frutescens Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-4-6 981 Riverside Mojave Desert; Southcentral Mojave Desert region: Iron Mountains, on southwest side of mountains in drainage on either side of the road. Comment
  CLARK-A1528-1810  Encelia virginensis John C. Roos 1943-5-23 2666 Riverside Little San Bernardino Mountains Comment
  CAS-BOT-BC126750  Ephedra R. F. Thorne; M. Z. Thorne 1973-3-30 42689 Riverside Colorado Desert; Little San Bernardino Mountains region: Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, outwash of Mission Creek 488 Comment
  CAS-BOT-BC81493  Ephedra aspera H. E. McMinn 1925-7-1 1475 Riverside Palm [Canon] Canyon Comment
  NY70193  Ephedra aspera I. W. Clokey 1935-4-17 6511 Riverside Cottonwood Springs Comment
  CAS-BOT-BC81684  Ephedra fasciculata Ira L. Wiggins 1937-3-9 8746 Riverside Chuckawalla Spring, Chuckawalla Mts. 528 Comment
  UCR163893  Epilobium canum B. G. Pitzer 2001-8-19 4341 Riverside Peninsular Range; Santa Rosa Mountains, Carrizo Canyon, sheep guzzler c. 0.5 mi. SW of where Hwy 74 crosses canyon 701 Comment
  SD122186  Epilobium canum subsp. canum James C. Dice, J. DeWald 1987-9-28 727 Riverside North side of Temecula Gorge, ca. 4.2 km ENE of Gavilan Mountain. 334 Comment
  SDSU13550  Epilobium canum subsp. canum W. Miller, C. Mosse 1972-7-12 Riverside Comment
  CAS-BOT-BC171725  Epilobium canum subsp. latifolium George L. Moxley 1932-1-1 s.n. Riverside Mt. San Jacinto Comment
  CAS-BOT-BC171730  Epilobium canum subsp. latifolium R. J. Kessler 1921-10-1 1938 Riverside San Jacinto Mts. Comment
  RSA85515  Epilobium ciliatum subsp. ciliatum J. C. Roos 1952-4-23 5577 Riverside West side Box Springs Mountains above Canyon Crest Heights. 457 Comment
  RSA617990  Epilobium pygmaeum R. E. Riefner Jr. 1998-9-13 98 -476 Riverside Elsinore Trough; Wildomar. Comment
  RSA60337  Epipactis gigantea G. R. Campbell 1948-7-4 618 Riverside Azalea Trails Girl Scout Camp, Dark Canyon, north of Idyllwild. 1738 Comment
  POM11158  Equisetum laevigatum Philip A. Munz 1922-6-23 5770 Riverside Keen Camp, San Jacinto Mountains 1524 Comment
  SDSU13549  Equisetum laevigatum W. Miller, C. Mosse 1972-7-13 Riverside 100 yards west of M.W.D. station. Comment
  SD112848  Eragrostis mexicana subsp. virescens D. F. Howe 1947-8-17 1753 Riverside Orange Grove, Redlands Comment
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Feb 17 2013
  SEINET10558917  Eragrostis mexicana subsp. virescens Steve Boyd 1989-7-9 Boyd 3771 Riverside City of Riverside, weeds in vegetable garden of house at 4863 Rubidoux Ave. Comment
  RSA652888  Eragrostis minor John Wallace 1991-5-8 17 Riverside Colorado River; Approximately 3 miles south of Lost Lake Resort. Comment
  SJSU5748  Eremalche rotundifolia R. C. McGehee 1970-4-15 192 Riverside Wiley Well, 26 mi SE of Blythe Comment
  UCR112092  Eremalche rotundifolia A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23366 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  UCR148313  Eremalche rotundifolia John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 23 and 24, at Kaiser RR trestle over the canal, between Salt Creek and Hunters Spring 23 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
  SD120076  Eriastrum densifolium subsp. austromontanum Louis B Ziegler 1964-9-2 5 Riverside San Jacinto Mountains; Pinyon Flats. 1310 Comment
  RSA0123352  Eriastrum diffusum Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9052 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
  JOTR32969  Eriastrum eremicum subsp. eremicum La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2720 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  UC1094400  Eriastrum eremicum subsp. eremicum John Ingram 1955-4-18 214 Riverside Along US Highway 99, 1/4 mi W of the junction with the road to Twenty-nine Palms. Comment
  UC666379  Eriastrum eremicum subsp. eremicum Annie M. Alexander and Louise Kellogg 1941-6-1 2265 Riverside Intersection of Morongo and main highway. 243 Comment
  JOTR01153  Eriastrum eremicum subsp. eremicum Cole, James E. 1941-5-31 845 Riverside Joshua Tree National Park. LOST HORSE MINE AREA 1524 Comment
  SBBG35228  Eriastrum filifolium T. L. Secrest 1951-5-18 Riverside San Jacinto River bed near Hemet Comment
  JOTR33874  Eriastrum harwoodii La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3049 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; sand ramps interspersed w/ basalt outcrops 349 Comment
  RSA0120744  Eriastrum harwoodii E. C. Jaeger 1939-5-4 s.n. Riverside Pinon Alta Flats, Santa Rosa Mts. 1585 Comment
  SEINET3005079  Eriastrum harwoodii G. Rink 2011-5-7 10517 Riverside Large powerlines about 10 miles west-southwest of Blythe, active sand dunes 121 Comment
  RSA0123311  Eriastrum sapphirinum Naomi Fraga, Duncan S. Bell 2009-5-6 2709 Riverside Arroyo seco SE of Dripping Springs Campground and Fire Station. 488 Comment
  UC63809  Eriastrum sapphirinum H. M. Hall Aug. 1901 2635 Riverside s side San Jacinto Mountains 1584 Comment
  RSA0122952  Eriastrum sapphirinum subsp. dasyanthum A. C. Sanders 1994-5-29 14551 Riverside San Bernardino Mountains: Morongo Indian Reservation, among hills on the low pass between Millard Cyn. and Potrero Cr. 750 Comment
  RSA0121576  Eriastrum sapphirinum subsp. dasyanthum E. W. Lathrop 1968-6-2 6954 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. Comment
  UCSB12338  Ericameria cooperi Dearing, Hugh; Dearing, Margaret 1936-12-25 Riverside Long Canyon, Colorado Desert Comment
  CAS-BOT-BC292795  Ericameria cuneata var. cuneata Ralph Hoffmann 1929-9-6 s.n. Riverside Naer Taquitz Pk., San Jacinto Mts. 2590 Comment
  UC1329875  Ericameria cuneata var. spathulata James E. Cole 1941-10-20 930 Riverside Optimist Mine Road, Lost Horse Valley Joshua Tree National Monument, Lost Horse Valley 1310 Comment
  JOTR30242  Ericameria linearifolia Leary, C. and Leary, Pat 1979-5-5 2990 Riverside Joshua Tree National Park. Above Lower Covington Flat, Joshua Tree N.M., T2S R7E sec 6. 1676 Comment
  RSA0119985  Ericameria linearifolia Duncan S. Bell, Thomas Stoughton 2016-4-13 9268 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  RSA771628  Ericameria linearifolia Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4994 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm). 750 Comment
  RSA776284  Ericameria linearifolia Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 886 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 915 Comment
  UCR58879  Ericameria linearifolia Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3227 Riverside Peninsular Range, Vail Lake area, sandstone ridge between Kolb Creek and Temecula Creek, forming peninsula at SW end of Lake. Comment
  JOTR01233  Ericameria linearifolia Cole, James E. 1942-5-10 956 Riverside Joshua Tree National Park. 1341 Comment
  RSA249473  Ericameria parishii John F. Emmel 1972-8-20 409 Riverside Firebreak on Chalk Hill, just S of Idyllwild, San Jacinto Mts. 1616 Comment
  UC1329851  Ericameria teretifolia James E. Cole 1941-10-20 929 Riverside Optimist Mine Road Joshua Tree National Monument, Lost Horse Valley 1310 Comment
  SEINET10617402  Erigeron breweri David B. Dunn, Melvin L. Conrad; Douglas G. LeDoux 1973-6-15 Dunn 20756 Riverside Along Hwy. 74 W of the Jct. rd. to Idyllwild, 11 mi. W, at the lower edge of the coulter Pines and near the chaparral. Decomp. granite. Comment
  UC86756  Erigeron breweri var. jacinteus A. W. Anthony 1895-7-12 Riverside San Jacinto Mountains 2438 Comment
  POM263241  Erigeron foliosus J. C. Roos 1938-5-26 474 Riverside La Sierra. Comment
  RSA525419  Erigeron foliosus Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4527 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
  UCR202018  Erigeron foliosus Mike Misenhelter 1998-6-23 s.n. Riverside Peninsular Range; San Jacinto Mtns. Foothills, 35 acre 'Searl Tank' site, foot of the north end of Mica Butte, just SE of the intersection of State St. and Cactus Valley Rd., c. 1 mile south of Hemet 585 Comment
  CAS-BOT-BC296232  Erigeron foliosus var. foliosus Mrs. J. D. Abrams 1901-5-19 s.n. Riverside Elsinore Comment
  RSA642600  Erigeron foliosus var. foliosus D. L. Banks, Mike Kinney 1998-6-8 2210 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. An area of native grassland along the Magee Truck Trail at the southern extremity of the Reservation just before the Riverside / San Diego County line border. 475 Comment
  RSA683094  Erigeron foliosus var. foliosus Scott D. White, Teresa B. Salvato, L. V. DeMarco, Jessica Christian 2001-6-30 8659 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  SEINET225401  Erigeron foliosus var. foliosus Malcolm McLeod, David Keil 1977-3-26 K 12016 Riverside 9 mi E of jctn. With I-15 along Calif. 79. 518 Comment
  JOTR32351  Erigeron parishii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2467 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast of Quail Mountain and just west of Johnny Lang Mine; Previously burned loose, rocky, gravelly slope above large drainage (Stop 2) Comment
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May 18 2013
  RSA69818  Eriochloa acuminata J. C. Roos 1951-9-25 5294 Riverside Riverside 259 Comment
  UCR93236  Eriochloa acuminata A. C. Sanders 1994-7-27 15162 Riverside Riverside, Santa Ana River between the San Bernardino Co. line & the Market Street Bridge 246 Comment
  HSC78581  Eriochloa aristata J. C. Roos 1965-9-26 Riverside Indio Comment
  CLARK-A1528-541  Eriodictyon crassifolium Charlotte Stocks 1962-6-13 Riverside San Jacinto Mountains Comment
  OBI40179  Eriodictyon crassifolium N. Miles Fellows 1984-3-20 10 Riverside Oasis de Los Osos Preserve, off Snow Crk cyn at then orth foot of the San Jacinto mtns., 1 mi W of Snow Creek Village. 488 Comment
  POM230161  Eriodictyon crassifolium I. W. Clokey, Edward Anderson 1935-4-16 6834 Riverside East of Hemet 600 Comment
  POM262958  Eriodictyon crassifolium J. C. Roos 1941-5-10 131 Riverside San Jacinto River bridge, east of Hemet Comment
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Apr 29 2011
  POM305416  Eriodictyon crassifolium Henry J. Ramsey, Henry J. Ramsey 1938-5-4 637 Riverside Elsinore Comment
  POM3816A  Eriodictyon crassifolium N. K. Berg 1904-3-4 s.n. Riverside San Jacinto Mts. Comment
  UC880702  Eriodictyon crassifolium I. W. Clokey and E. G. Anderson 1935-4-16 6834 Riverside e Hemet; e of Hemet 600 Comment
  RSA777288  Eriodictyon trichocalyx var. trichocalyx Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4547 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  CAS-BOT-BC33641  Eriogonum apiculatum Ralph E. Hoffmann 1929-9-8 s.n. Riverside San Jacinto Mt. 2133 Comment
  CAS-BOT-BC249030  Eriogonum davidsonii A. C. Sanders 2008-7-25 35919 Riverside Peninsular Range; San Jacinto Mtns.: east side of May Valley, NE of Bonita Vista Rd. at foot of hills Comment
  RSA242148  Eriogonum davidsonii James L. Reveal, Caroline G. Reveal 1972-8-9 2852 Riverside Along California Highway 74 at the turnoff to Idyllwild Mile-Hi Trap Club, about 1 mile west of the junction with Highway 243. Comment
  SD229216  Eriogonum davidsonii Dick Schwenkmeyer 2012-10-16 925 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 551 Comment
  UCR243575  Eriogonum davidsonii Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21106 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, upper watershed on east ridge, 1.1 mi south of radio tower, c. 6 mi. south of town center of Yucca Valley 1207 Comment
  UCR89690  Eriogonum davidsonii G. R. Ballmer 1992-5-17 92 35 Riverside Santa Rosa Mtns, Deep Canyon, trail from Hwy 74 to bottom of canyon, in vicinity of Pinyon Crest 915 Comment
  UCR148048  Eriogonum deflexum Steve Boyd, Et al. 2004-5-14 11288 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
  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
  UCR58876  Eriogonum deflexum J. M. Stewart 1989-10-16 611 Riverside Sonoran (Colorado) Desert, along Hwy 95, 5.6 mi. south of Vidal Comment
  RSA393269  Eriogonum deflexum var. deflexum N. C. Cooper 1949-4-8 3257 Riverside Mecca Pass east of Indio. 610 Comment
  UCR250919  Eriogonum elongatum Jeremiah George 2012-7-11 s.n. Riverside Beaumont, south of Kobe St./Brownie Way and west of Manzanita Park Rd., east of Hwy 79 798 Comment
  SEINET7907886  Eriogonum fasciculatum D. A. Johnson 2005-1 Riverside 1 mi E of CA 74 on River Rd between Perris & Lake Elsinore 488 Comment
  SEINET5440853 Image available Eriogonum fasciculatum Richard Carter 1984-12-18 3857 Riverside 13.8 mi SW of Anza city center on Hwy 371. Comment
  RSA0088968  Eriogonum fasciculatum subsp. polifolium R. G. Swinney 1967-5-26 11740 Riverside Snow Creek. 335 Comment
  CAS-BOT-BC249896  Eriogonum fasciculatum var. flavoviride Frank W. Peirson 1928-4-24 7907 Riverside Cottonwood Spring Comment
  CAS-BOT-BC249898  Eriogonum fasciculatum var. flavoviride Annie M. Alexander; Louise Kellogg 1941-5-15 2190 Riverside Colorado Desert. North base of Eagle Mountains 914 Comment
  RSA125858  Eriogonum fasciculatum var. foliolosum E. K. Balls, Percy C. Everett 1957-11-6 22791 Riverside 0.5 miles north of junction Hwy. 79 and road to Coahuila. 655 Comment
  SD229219  Eriogonum fasciculatum var. foliolosum Dick Schwenkmeyer 2012-10-16 850 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 505 Comment
  UCSB50075  Eriogonum fasciculatum var. foliolosum Millett, B. 1980-5-17 Riverside On Teneja Road, 10 miles west of its junction with Clinton-Keith Road 365 Comment
  RSA393339  Eriogonum fasciculatum var. polifolium Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  SDSU13543  Eriogonum fasciculatum var. polifolium W. Miller 1972-7-20 Riverside Border N.W. of Royal Oak Ranch. Comment
  SEINET10624394  Eriogonum fasciculatum var. polifolium Greg Gust, Leith Nye 2005-3-11 Gust 543 Riverside Lake Elsinore City Limits. Hwy 74 ca. 2 mile W of Lake Elsinore on hill slope pullout. 691 Comment
  UC849406  Eriogonum fasciculatum var. polifolium Alice Eastwood 1913-4-30 3020 Riverside Palm Springs Comment
  SD152782  Eriogonum gracile Steve Boyd 1992-10-14 7718 Riverside San Mateo Canyon Wilderness Area, Northeastern corner of the wilderness, south of Elsinore Peak 975 Comment
  UCR106914  Eriogonum gracile var. gracile D. L. Banks, Lauren Raz 1996-11-5 1181 Riverside NW Palomar Mtns., Agua Tibia Mountains, Pechanga Indian Reservation, SE of San Gabriel Church; along main road in the reservation, c. 0.2 mi. east of the church, across from the local cemetery. 378 Comment
  UCR181340  Eriogonum gracile var. gracile Mitch Provance 2003-7-7 6522 Riverside San Bernardino Valley, S of the site of the historic town of Declezville, in an unincorporated part of Riverside Co. just south of Fontana (in the Southridge area), along the NW slopes of the Jurupa Mountains, c. 0.3 miles ENE of peak 1437 317 Comment
  RSA588814  Eriogonum gracile var. incultum D. L. Banks, S. D. Boyd 1995-10-17 767 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  UCR75071  Eriogonum inflatum A. C. Sanders, E. J. Lawlor 1992-4-4 12138 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  JOTR33783  Eriogonum maculatum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2925 Riverside Joshua Tree National Park. north of Quail Mountain, near the mouth of Johnny Lang Canyon; loamy and gravelly gentle slopes with rock outcrops in an old burn area from 1999 fire 1173 Comment
  CAS-BOT-BC270594  Eriogonum molestum Mary F. Spencer 1919-7-1 1375 Riverside Idylewild, San Jacinto Mountains 1615 Comment
  RSA239211  Eriogonum molestum James L. Reveal, Caroline G. Reveal 1972-8-9 2865 Riverside San Jacinto Mountains, along California Hwy 243, 1.6 miles north of Alandale Ranger Station, about 7 miles north of Idyllwild, near Fuller Mill Creek Comment
  RSA488713  Eriogonum nudum var. pauciflorum James L. Reveal, Caroline G. Reveal 1972-8-9 2855 Riverside Along California Highway 74 at the turnoff to Idyllwild Mile-Hi Trap Club, about 1 mile west of the junction with Highway 243. Comment
  POM307287  Eriogonum parishii Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2132 Riverside Santa Rosa Mountains. Comment
  RSA754129  Eriogonum parishii W. Schlegel, Andrew Trouette 2008-8-8 1 Riverside Idyllwild: Dry creek bed. Comment
  CAS-BOT-BC253023  Eriogonum reniforme John Thomas Howell 1931-6-5 6654 Riverside 1 mile east of Whitewater Comment
  JOTR32353  Eriogonum saxatile La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2468 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast of Quail Mountain and just west of Johnny Lang Mine; Previously burned loose, rocky, gravelly slope above large drainage (Stop 2) Comment
  JOTR33940  Eriogonum saxatile La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2829 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  UC1329840  Eriogonum saxatile James E. Cole 1941-6-9 860 Riverside s summit of Stubby Spring Pass; Joshua Tree National Monument 1432 Comment
  CAS-BOT-BC263523  Eriogonum thomasii John H. Thomas 1957-3-30 6549 Riverside 8.1 miles east of Cactus City, about 20 miles east of Coachella, Colorado Desert 426 Comment
  JOTR34365  Eriogonum thomasii Andre, Jim 2012-4-16 20881 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  POM2313  Eriogonum thomasii S. B. Parish 1906-5-1 440 -6741 Riverside Colorado Desert at Palm Springs. Comment
  POM2305  Eriogonum thurberi Jenkins, Street 1917-5-30 1954 Riverside San Jacinto. Comment
  JOTR33876  Eriogonum trichopes La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3047 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; sand ramps interspersed w/ basalt outcrops 349 Comment
  RSA778229  Eriogonum trichopes Duncan S. Bell 2009-3-8 34 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  SD259056  Eriogonum wrightii var. membranaceum Sarah J. De Groot, Duncan S. Bell 2015-9-21 7581 Riverside Santa Rosa Mountains southsouthwest of Palm Desert. Along Dunn Road between Asbestos Mountain andHaystack Mountain. 1241 Comment
  RSA423141  Eriogonum wrightii var. nodosum N. R. Zabriskie, Walter Zabriskie 1972-3-28 478 Riverside North Canyon, Andreas Canyon watershed, east slope San Jacinto Mts. 610 Comment
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Oct 1 2011
  SD229231  Eriogonum wrightii var. nodosum Dick Schwenkmeyer 2012-11-6 868 Riverside West fork of Palm Canyon, Agua Caliente Indian Reservation, 4.7 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 227 Comment
  CAS-BOT-BC261933  Eriogonum wrightii var. subscaposum H. E. McMinn 1925-7-2 1505 Riverside Tahquitz Peak trail from Idylwild [Idyllwild], San Jacinto Mts Comment
  UC1133259  Erioneuron pulchellum H. S. Yates 1937-6-27 6724 Riverside Deep Canyon Thermal Quadrangle (head) Comment
  RSA182342  Eriophyllum ambiguum var. paleaceum J. D. Olmsted 1962-5-1 3432 Riverside W slope below Falls Plateau, Snow Canyon N of Mt. San Jacinto. 793 Comment
  CDA32920  Eriophyllum confertiflorum Mike Lahti 2010-5-5 PDR# 1358681 Riverside Hills on the west side of Temecula. 0 Comment
  SD137892  Eriophyllum confertiflorum Darin L. Banks, Steve Boyd 1995-5-3 278 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. North slope of Agua Tibia Mountain, east of Dripping Springs Alcove Area. 515 Comment
  UCR158521  Eriophyllum confertiflorum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30019 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
  UCR231776  Eriophyllum confertiflorum John F. Green 2008-4-23 08- 18 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  UCR270745  Eriophyllum confertiflorum T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8359 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  CAS-BOT-BC301800  Eriophyllum multicaule A. C. Sanders; J. C. Lyman 1995-4-16 1655904 Riverside Glen Avon: sand dune area on the N slope of the Jurupa Hills (draining toward Fontana), Pyrite St. Canyon 335 Comment
  POM358157  Eriophyllum wallacei Norman C. Cooper 1945-5-6 2264 Riverside Banning 701 Comment
  RSA49390  Eriophyllum wallacei P. A. Munz 1949-4-11 13023 Riverside Near Conejo Well, north base of Eagle Mts 915 Comment
  SD73607  Eriophyllum wallacei Helen V. Witham 1970-4-29 821 Riverside 22 miles east of Lake Hemet. 1000 Comment
  UC101059  Eriophyllum wallacei M. F. Gilman 1904-1-1 6 Riverside Banning Comment
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Mar 13 2011
  UC1428710  Eriophyllum wallacei J. L. Strother 1973-3-21 1159 Riverside above Chiriaco Summit; Lost Palms Canyon Comment
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Mar 26 2011
  RSA678971  Erodium botrys Scott D. White, Michael Honer 2003-6-3 9457 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  SD255192  Erodium cicutarium Duncan S. Bell, Amanda Bell 2012-1-28 3067 Riverside East side of Arica Mountains; Rice Valley, ca. 6.0 air miles southeast of the ghost town of Rice. 202 Comment
  UC17078  Erodium cicutarium Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  UCR245918  Erodium cicutarium Naomi Fraga, David Fracker, Thomas Stoughton 2012-3-15 3951 Riverside Sonoran (Colorado) Desert, off of Box Canyon Rd., south of Shaver Well in a wash 229 Comment
  UCR97247  Erodium cicutarium Scott D. White 1997-2-28 4720 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  RSA563891  Erodium moschatum Scott D. White 1993-4-20 1205 Riverside Estelle Peak, Gavilan Hills. 823 Comment
  RSA775970  Erodium texanum Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 861 Riverside Chuckwalla Mountains, Chuckwalla Mountains Wilderness, off Corn Spring Road, main wash adjacent Corn Spring Road, draining from Corn and Aztec Springs up on Chuckwalla, flowing NNE. 396 Comment
  UCR123831  Erodium texanum Steven R. Hill, K. Kramer 2001-4-27 33491 Riverside Sonoran (Colorado) Desert, N side of Route I-10, W side of Coachella Canal, about 0.1-0.2 mi north of interstate highway, 3 mi east of Indio 9 Comment
  SD137604  Erythranthe cardinalis Darin L. Banks, Victor Steinman 1995-7-10 751 Riverside NW Palomar Mountains: Agua Tibia Mountains; Cleveland National Forest; along the Wildhorse Trail, S of Lower Arroyo Seco, NW of Wildhorse Peak, drainage NW flank of Wildhorse Peak 609 Comment
  SD51946  Erythranthe floribunda Reid Moran 1962-7-7 9855 Riverside by Strawberry Creek, 2 miles SW of Idyllwild, San Jacinto Mts. 1550 Comment
  RSA0020240  Erythranthe floribunda M. B. Dunkle 1933-7-21 3725 Riverside Idyllwild. 1616 Comment
  RSA0014887  Erythranthe tilingii Carl B. Wolf 1932-8-5 3954 Riverside On trail from Tahquitz Valley to San Jacinto Peak. Head of a fork of Tahquitz Creek. San Jacinto Mountains. 2744 Comment
  JEPS51774  Eschscholzia californica W. L. Jepson 1914-5-25 6077 Riverside Beaumont Comment
  RSA0037195  Eschscholzia californica Tamara Joy Hanna 1991-5-12 26 Riverside Area of High Country Ranches. From Tamatea Road approx. 100 ft. to dry stream bed, walking northeasterly direction. 1280 Comment
  HSC99167  Eschscholzia glyptosperma Paul J. CaraDonna 2009-3-17 128 Riverside Jumbo Rock Campground, Joshua Tree National Park. Comment
  CAS-BOT-BC83126  Eschscholzia minutiflora John H. Thomas 1957-3-30 6523 Riverside 0.8 mile east of Cactus City, about 13 miles east of Coachella, near U.S. Highways 60 and 70. 518 Comment
  CAS-BOT-BC83140  Eschscholzia minutiflora Richard Snow 1952-4-13 7 Riverside Box Canyon, Orcopia Mountains. Comment
  RSA682859  Eschscholzia minutiflora Scott D. White 2003-3-23 8831 Riverside Desert slope; Hwy 74 near Carrizo Creek crossing. 610 Comment
  UCSB33609  Eschscholzia minutiflora Simmons, Karen 1979-3-25 Riverside 8.8 miles south-west of Hwy 10; on Box Canyon Road 30 Comment
  GMDRC7790  Eschscholzia papastillii J. M. Andre 2015-3-6 33553 Riverside Coachella Valley: sandy flats along Snow Canyon Rd, just south of Hwy 111 362 Comment
  UCD96466  Eschscholzia papastillii Shannon M. Still; Jennifer R. Still, Charles M. Still 2008-2-15 260 Riverside California. Riverside County: Joshua Tree National Park. 726 Comment
  CAS-BOT-BC419625  Eschscholzia parishii John Thomas Howell 1928-3-25 3539 Riverside Painted Canon [Canyon], Colorado Desert Comment
  JOTR36434  Eschscholzia parishii La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3405 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
  RSA676120  Eschscholzia parishii Scott D. White 2001-4-3 8231 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  UCR136261  Eucalyptus camaldulensis A. C. Sanders 2004-6-20 28230 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., wash near I-15 & Temescal Cyn. Rd., west of main clay pit 305 Comment
  RSA612493  Eucrypta chrysanthemifolia D. L. Banks 1997-2-23 1324 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  UCR232044  Eucrypta chrysanthemifolia John F. Green 2008-4-15 0408- 07 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  UC20222  Eulobus californicus Geo. F. Reinhardt June 1897 Riverside San Jacinto Valley Comment
  LA204660  Euonymus occidentalis var. parishii Carl Epling; William Robison 1935-6-30 sn Riverside N fork, San Jacinto River Comment
  UCD170236  Euonymus occidentalis var. parishii K. M. Meyer; A. Townesmith 2007-3-16 19 Riverside San Bernardino National Forest. Fuller Mill Creek. 17.6 m S on Hwy 243 (off of I-10). 1572 Comment
  UCR89245  Euphorbia albomarginata Scott D. White 1995-9-22 3683 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
  UC1532829  Euphorbia crenulata Robert F. Thorne and Earl Lathrop 1975-5-25 45555 Riverside Rancho California Santa Rosa Plateau, Mesa de Burro (Mesa de Burro) 609 Comment
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Jan 19 2010
  UCR17718  Euphorbia eriantha Hap Ritter, Paul Mack 1976-10-19 s.n. Riverside Sonoran (Colorado) Desert, c. 20 mi. NW of Blythe on the Midland Road, McCoy wash drainage, SW side of the Big Maria Mtns. 245 Comment
  OBI14371  Euphorbia micromera Robert F. Hoover 1966-10-15 10160 Riverside Dead Indian Creek Wash, S of Palm Desert Comment
  RSA599290  Euphorbia ocellata subsp. ocellata L. C. Wheeler 1952-10-29 7010 -a Riverside Riverside. Citrus Experimental Station. Comment
  UCR132892  Euphorbia polycarpa Scott D. White 1996-3-16 3829 Riverside Perris Basin, Lakeview Mtns, north of Winchester, at 'Maze Stone' Picnic Site 610 Comment
  UCR165817  Euphorbia polycarpa John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  OBI14408  Euphorbia polycarpa var. hirtella Lewis S. Rose 1966-12-11 66099 Riverside La Quinta 91 Comment
  JOTR16867  Fagonia laevis Vanderspek & Youse 1964-4-19 64516 Riverside Joshua Tree National Park. WILSON CANYON Comment
  UCR163088  Fagonia laevis B. G. Pitzer 2000-5-7 4145 Riverside Sonoran (Colorado) Desert, extreme north end of Orocopia Mountains, Shavers Valley, at base of hills c. 0.5 mi. SE of Box Canyon Road. 341 Comment
  UCR250113  Fagonia laevis A. C. Sanders, Clint Shock, Jose Aguiar 2014-3-6 40965 Riverside Sonoran (Colorado) Desert, along Box Canyon road c. 2.6 miles SW of I-10 junction, above the head of Box Canyon 435 Comment
  GMDRC5049  Fagonia pachyacantha J. Andre, G. L. Clifton 2011-2-22 17444 Riverside Mecca Hills: along Box Canyon Rd, 10.3 mi. NE of town of Mecca 219 Comment
  SBBG103914  Festuca microstachys var. microstachys S. D. White 1993-4-20 1216 a Riverside SE of Estelle Pk, Gavilan Hills 792 Comment
  UCR213567  Festuca microstachys var. pauciflora A. C. Sanders, Matthew Malle 2010-4-23 38008 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR16071  Festuca myuros H. C. Sharma 1976-4-26 760426- 02 Riverside Woodcrest, c. 2 miles from Woodcrest on Firethorn Ave 335 Comment
  UCR2421  Festuca octoflora F. M. Reed 1906-3-13 904 Riverside Riverside, sec. 30 corner of Reserve Ranch, near east 8th St. 305 Comment
  UCR267280  Ficus microcarpa R. E. Riefner Jr. 2015-8-8 15- 220 Riverside City of Corona, south side of 91 Freeway c. 120 ft. west of Lincoln St., north side of Corona del Rey Apartments 210 Comment
  RSA501077  Filago arizonica Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-2 3195 Riverside Vail Lake Area, W end of bench on S flank of Oak Mountain. 548 Comment
  UCR99218  Filago arizonica A. C. Sanders, G. Helmkamp 1997-3-15 19990 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  RSA393727  Filago californica E. S. Spalding 1913-03 14829 Riverside E. of Banning. Comment
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Nov 29 2011
  POM254733  Filago depressa P. A. Munz 1940-3-23 15688 Riverside north end of Pinto Basin 610 Comment
  SEINET3082771 Image available Filago depressa O. F. Clarke 1973-4-1 Riverside Sonoran Desert, alluvial fan at S entrance to Joshua Tree National Monument, below Cottonwood Springs. Comment
  RSA495805  Forestiera neomexicana Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2914 Riverside Vail Lake area, Temecula Creek Cyn., 1.0 mi. west of Vail Lake Dam. 396 Comment
  POM11930  Forestiera pubescens P. A. Munz, I. M. Johnston 1922-5-21 5511 Riverside Hemet Valley. 2 miles below Kenworthy, San Jacinto Mts. 1402 Comment
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Mar 25 2011
  RSA697315  Fouquieria splendens Keith E. Hoffmaster 1937-6-6 s.n. Riverside Desert grade of Palms to Pines Highway. Comment
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Dec 18 2011
  UCSC001447  Fragaria vesca Peter Kamb 1947-5-17 518 Riverside San Jacinto Mts, Hall Canyon 1646 Comment
  CAS-BOT-BC454537  Fragaria vesca subsp. californica Marcus E. A M Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild, California Comment
  UCR16771  Fragaria vesca subsp. californica Ed West 1972-5-5 07 Riverside San Jacinto Mtns, 17.4 mi from Banning on the Palms-to-Pines Hwy [Hwy 243], beside Fuller Mill Creek 1707 Comment
  RSA652638  Frangula californica subsp. californica Jerry Wilk 1969-5-24 s.n. Riverside 10 mi. past Lake Fillmore towards [Idyllwild]. Comment
  UCR266487  Frankenia salina Mitch Provance, Matt Amalong 2015-3-25 315- 32 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
  UCR272485  Frankenia salina Mitch Provance 2013-6-16 613- 24 Riverside Santa Ana River Valley, City of Riverside, Arlanza neighborhood, El Dorado Park on Warren St., about 0.35 mi W of Van Buren Blvd. 225 Comment
  UCR89686  Frankenia salina 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
  RSA17494  Frasera parryi Percy C. Everett 1936-8-28 8234 Riverside Santa Ana Mts, north end of La Cienega 732 Comment
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Dec 16 2011
  UCR121339  Fraxinus dipetala A. C. Sanders, Mark Elvin, , Vipul Joshi 2002-4-26 25032 Riverside The Badlands, west fork of Laborde Canyon near old rocket test facility 622 Comment
  RSA717493  Fraxinus velutina A. C. Sanders, O. F. Clarke 1991-6-10 11135 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  RSA342548  Fraxinus velutina var. coriacea Robert F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54097 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  RSA644216  Funastrum hirtellum V. W. Steinmann, P. I. Moscosa, Timothy S. Ross 1998-4-14 1364 Riverside Orocopia Mountains, 1.5 km southwest of the Hayfield exit of I-10. 182 Comment
  RSA0108817  Funastrum utahense Duncan S. Bell, Amanda Turek 2009-3-30 186 Riverside South end of the Arica Mountains; approximately 1.5 air miles southwest of Priest Well. 365 Comment
  UCR214310  Galium angustifolium A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38403 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  CDA18362  Galium angustifolium subsp. angustifolium G. D. Barbe, Lew Davis 1978-5-3 2380 Riverside Sonoran Desert; 1.4 mi W of settlement, 5 miles W of end of Corn Springs Rd, W of Corn Springs campground. 548 Comment
  CLARK-A1528-7882  Galium angustifolium subsp. angustifolium John C. Roos 1948-5-8 3819 Riverside Whitewater Canyon 548 Comment
  JOTR37460  Galium angustifolium subsp. gracillimum Hodges, Stephen, T. Green 2016-5-24 582 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; On slopes with granitic boulders descending down east side of Minerva Hoyt peak towards Lost Horse area and in sandy washes beneath slopes (Stop 3). Comment
  UC729540  Galium angustifolium subsp. gracillimum Carl B. Wolf 1932-5-24 3648 Riverside 1/2 mi below Fish Hatchery (n base of mts); San Jacinto Mts., Snow Creek Canyon 548 Comment
  SD225096  Galium aparine Scott D. White 1996-4-20 3953 Riverside SW of Perris: Hillside S of the San Jacinto River Channel. 487 Comment
  UCR147548  Galium californicum subsp. primum Naomi Fraga, Sarah De Groot, Valerie Soza 2004-6-28 1284 Riverside Peninsular Range; San Jacinto Mtns., along Red Hill Road (5S10) near Alvin Meadows, SW of Pine Cove 1677 Comment
  UCR147595  Galium californicum subsp. primum Naomi Fraga, S. DeGroot 2004-7-7 1298 Riverside Peninsular Ranges; San Jacinto Mountains region, Along Chimeny Flats Road (5S06) near intersection with FS Road 5S24, on the way to Alvin Meadows 1418 Comment
  RSA678933  Galium nuttallii subsp. nuttallii Scott D. White, Michael Honer 2003-6-3 9476 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UC489192  Galium parishii C. V. Meyer 1928-7-27 564 Riverside Hidden Lake San Jacinto Mts. 2682 Comment
  UCR143354  Garrya flavescens subsp. pallida W. E. Pequegnat 1940-12-14 s.n. Riverside Santa Ana Mtns., Main Divide Truck Trail 1524 Comment
  RSA444788  Garrya flavescens var. pallida J. C. Roos 1966-4-23 s.n. Riverside Skyline Drive, Santa Ana Mtns., above Corona. Comment
  LA40343  Garrya fremontii W. Pequegnat; 1938-1-10 sn Riverside Santa Ana Mountains, Indian Canyon Rd 761 Comment
  CAS-BOT-BC158073  Garrya veatchii Peter H. Raven 1958-5-18 12970 Riverside chaparral 2.3 miles from Mountain Center on road to Hemet, San Jacinto Mountains Comment
  RSA1523  Garrya veatchii B. D. Stark 1930-3-18 1490 Riverside Mt. San Jacinto Comment
  RSA559952  Gastridium phleoides Steve Boyd, Orlando Mistretta 1992-4-23 7063 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Creek from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 244 Comment
  POM355354  Gayophytum diffusum subsp. parviflorum E. C. Jaeger s.n. Riverside [No location information on label.] Comment
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Nov 6 2011
  CDA4079  Genista monosperma A. Catterson 2002-2-25 s.n. Riverside Perris-Aguanga Basin region.; Orangecrest area of southeast Riverside, 17120 Cole Ave. Comment
  RSA0018591  Geraea canescens Duncan S. Bell 2013-1-30 4457 Riverside The Mecca Hills; collecting beside the Coachella Canal and the powerlines at the base of the mountains in narrow desiccating depressions where winter rains had collected. 23 Comment
  RSA699241  Geraea canescens J. R. Bruff 1928-4-3 s.n. Riverside 13 miles W of Desert Center. Comment
  UC196481  Geraea canescens S. B. and W. F. Parish 1882-4-1 228 Riverside Agua Caliente borders of Colorado Desert, Agua Caliente Comment
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Nov 24 2011
  UCR245958  Geraea canescens Duncan S. Bell 2009-3-8 51 Riverside Arica Mountains, east side of range, c. 1.8 air miles NW of Priest Well 350 Comment
  SEINET10726153  Geraea canescens David B. Dunn 1946-2-23 Dunn 1962 Riverside Collected in mud flats dry and caked and split. All American Canal catch basin from desert washes. Orocopia Mts. northeast of the Salton Sea. Very arid country. Comment
  RSA0028449  Geranium dissectum Robert F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55224 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road. 730 Comment
  RSA198939  Geranium dissectum Robert F. Thorne, P. A. Munz, E. W. Lathrop 1968-5-8 37597 Riverside Santa Rosa Plateu: Rancho California 610 Comment
  PASA679  Geranium richardsonii Sally Ellis 1939-6-24 Riverside Halona Comment
  UCR118397  Gilia A. C. Sanders 1994-5-29 14567 Riverside San Bernardino Mtns., lower Millard Canyon, at first stream crossing on Forest Service Road 2S05, near Bench Mark 2868 850 Comment
  UCR157430  Gilia N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 185 B Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  UCR240644  Gilia Tracy Tennant, Mitch Provance 1998-6-16 MOR- 436 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon, in wash just north of woodland stand M15 1098 Comment
  SEINET7072818  Gilia angelensis A. G. Vestal 1963-5-19 s.n. Riverside Open bush country about 3.6 miles northeast of Aguanga on Route 371 [on the Cahuilla Road] Coordinate datum: WGS84/NAD83. (33? deg. 29' 7" North Latitude, -116? deg. 49' 54" West Longitude, Coordinate datum: NAD27.). Comment
  UC718485  Gilia angelensis Carl B. Wolf 1935-4-7 6314 Riverside 2 mi sw of Perris; Gavilan Hills Region, sw of Ferris 426 Comment
  UCR111560  Gilia angelensis Mitch Provance 1998-5-4 1709 Riverside Jurupa Mountains, SW 'Rattlesnake Mt.', above the Ormand Quarry, c. 1.5 km west of peak 1739 366 Comment
  UCR120579  Gilia angelensis Steven R. Hill, K. Kramer 2001-4-27 33475 Riverside Sonoran (Colorado) Desert Edge; San Gorgonio Pass, Cabazon, Morongo Indian Reservation, at Hadley's Orchard Store, junction of Apache Trail and Seminole Drive, north of Hwy I-10, Apache Trail Exit, 4 mi east of Banning 560 Comment
  UCR133957  Gilia angelensis Mitch Provance, J. S. Ross 1998-3-27 MOR- 969 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 915 Comment
  UCR230202  Gilia angelensis A. C. Sanders 2011-4-6 38989 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
  RSA612687  Gilia angelensis D. L. Banks 1997-3-29 1611 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
  UCR81097  Gilia capitata Scott D. White 1993-5-29 1480 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1220 Comment
  UCR268287  Gilia capitata subsp. abrotanifolia Jim Andre 2012-6-15 30535 Riverside San Jacinto Mountains, Banning, along Hwy 243, 10.7 miles south of Interstate 10, San Bernardino National Forest 1499 Comment
  UC1138214  Gilia maculata H. Lewis 1952-4-5 Riverside Aqueduct Road 5.2 mi s Garnet; s of Garnet Comment
  HSC85263  Gilia ochroleuca subsp. exilis Steve Boyd 1986-4-22 1755 Riverside Temescal Canyon: Benches of Indian wash just S of Hwy. 15 Comment
  RSA0017095  Gilia ochroleuca subsp. exilis Scott D. White 1991-5-13 91 -114 Riverside Hwy 79, immediately W of U.S. Forest Service Campground at Dripping Springs. 549 Comment
  SD114222  Gilia ochroleuca subsp. exilis Darley F. Howe 1969-5-15 4589 Riverside Near Dripping Springs camp ground. 456 Comment
  RSA0017101  Gilia ochroleuca subsp. exilis Tamara Joy Hanna 1991-5-19 42 Riverside Off of Coyote Canyon Road (FWD dirt) on a walking trail approx. 3 miles from the gated (back) entrance to the Anza-Borrego State Park via Horse Canyon. Comment
  RSA0017293  Gilia ochroleuca subsp. exilis Steve Boyd 1986-4-22 1755 Riverside Temescal Canyon; Stable alluvial benches of Indian wash just S of I-15. Comment
  UCR51928  Gilia scopulorum Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2186 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA67695  Gilia sinuata Verne Grant, Alva Grant 1952-4-1 17522 Riverside Near White Tank at summit of pass between Little San Bernardino Mountains and Pinto Mountains Comment
  JOTR34011  Gilia stellata La Doux, Tasha, M. Harding 2010-4-7 2899 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  UC1302375  Gilia stellata Robert F. Thorne 1963-3-29 32425 Riverside ca 12 mi ene Mecca (sandy desert wash); ene of Mecca Comment
  UCD117897  Gilia stellata Raymond A. Evans 1949-11-10 s.n. Riverside Canyon west of White Water Canyon, north of Palm Springs. Comment
  UCR162851  Gilia stellata M. L. Rosczyk, G. K. Helmkamp 1985-4-4 239 Riverside Little San Bernardino Mtns/ Sonoran (Colorado) Desert, Big Morongo Preserve, south of Morongo Valley, W edge of main canyon near the BLM gate 534 Comment
  UCR279344  Gilia stellata A. C. Sanders, Jim Malusa 2017-3-23 42946 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 3 miles east of Iris Pass 823 Comment
  UCR48390  Githopsis diffusa subsp. candida Steve Boyd 1986-4-22 1771 Riverside Peninsular Range, Temescal Canyon, E side of Indian Wash, south of I-15 Comment
  CDA7195  Glyceria declinata T. B. Salvato, Tracy Tennant 1998-4-23 MOR- 905 Riverside San Bernardino Mountains; Morongo Indian Reservation, seep in Wood Canyon, tree stand W-07. Comment
  UC73173  Glycyrrhiza lepidota M. F. Gilman 1904-1 41 Riverside Banning Comment
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Mar 13 2011
  RSA500118  Gnaphalium californicum Steve Boyd, T. S. Ross, L. Arnseth 1989-6-10 3693 Riverside Vail Lake area, Benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  UCR59779  Gnaphalium luteoalbum Jeri Hirshberg 1989-7-27 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, E end of Vail Lake, in 'draw down' area Comment
  UCR1195  Gnaphalium stramineum Martha McCarthy 1960-4-24 s.n. Riverside Santa Ana Mtns, 20 ft from north side of Tenaja Rd., 11 mi from the junction with Washington Ave, Murrieta [vicinity of Squaw Mtn.] 701 Comment
  UCR34923  Gnaphalium stramineum L. B. Ziegler 1968-7-17 331 Riverside San Jacinto Mtns, Hemet Valley. On shore of Lake Hemet, c. 50 ft. from waters edge 1357 Comment
  UCD98877  Grayia spinosa Scott D. White; Justin M. Wood and Paul Kielhold 2009-4-21 12584 Riverside San Bernadino Mountains: Ridgeline E of Whitewater Canyon, +/- 2 miles N of town of White Water (Interstate 10), near Super Creek Quarry. 640 Comment
  SDSU18362  Guillenia lasiophylla C. Matt Guilliams 2008-2-27 482 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 370 Comment
  CLARK-A1528-1861  Gutierrezia bracteata John C. Roos 1965-6-21 Riverside Comment
  CAS-BOT-BC314527  Gutierrezia californica Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs 60 Comment
  RSA678115  Gutierrezia californica Valerie L. Soza, S. D. Boyd, Neil Gilbert 2000-12-6 1061 -b Riverside Bautista Canyon, Bautista Canyon Road. 915 Comment
  UC1509673  Gutierrezia californica Meredith A. Lane 1982-10-13 3028 Riverside 45.2 km (28.1 mi) e Keen Camp summit of the San Jacinto Mountains (on California State Highway 74) Comment
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Nov 20 2010
  UCR117338  Gutierrezia californica Mitch Provance 1998-3-22 253 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', or also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  RSA450480  Gutierrezia sarothrae J. C. Roos 1965-6-21 s.n. Riverside the hills 2 miles S of Beaumont Comment
  UC55182  Gutierrezia sarothrae H. M. Hall 1902-4-1 2968 Riverside vicinity Riverside 304 Comment
  UCR92154  Gutierrezia sarothrae D. L. Banks, Steve Boyd 1995-10-26 0827 Riverside NW Palomar Mtns., Agua Tibia Mts., Cleveland Nat'l Forest, west of the Woodchuck trail. 0.8 mi from Wilderness Boundary 744 Comment
  CAS-BOT-BC231103  Harpagonella palmeri Steve Boyd 1986-4-10 1644 Riverside Temescal Canyon: Along DePalma Road between Indian Truck Trail and Horsethief Canyon, 1.0 mile E of Indian Truck Trail Comment
  RSA0066625  Harpagonella palmeri Steve Boyd 1986-3-9 1399 Riverside Temescal Canyon: Terrace escarpments between Indian Truck Trail and Horsethief Wash. 367 Comment
  UCR145972  Helianthus gracilentus June Latting 1977-11-6 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos, Snow Creek 488 Comment
  RSA653075  Heliotropium curassavicum A. C. Sanders 1997-5-1 20614 Riverside Lake Skinner area: Old house site at gated road junction into Shipley Reserve area, c. 1 km NE of Lake Skinner in mouth of Rawson Creek Canyon. 457 Comment
  UCR150021  Heliotropium curassavicum Scott D. White, Angelia Carey 2004-5-7 10345 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  SD122190  Heliotropium curassavicum var. oculatum James C. Dice, J. DeWald 1987-10-5 735 Riverside Santa Margarita River near aquaduct crossing. 245 Comment
  RSA680563  Hemizonia fasciculata Scott D. White, Michael Honer 2003-6-3 9458 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UCR121195  Hemizonia fasciculata D. E. Bramlet 1989-5-21 1878 Riverside Perris-Aguanga Basin region, Lake Skinner County park, south side of the lake c. 2500 ft. east of dam 448 Comment
  POM122962  Hemizonia kelloggii Marcus E. Jones 1926-5-31 s.n. Riverside Corona Comment
  UCR116790  Hemizonia kelloggii A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24156 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
  UCR98687  Hemizonia kelloggii S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  IRVC29264  Hemizonia paniculata A. C. Sanders, Kelly Volansky 2003-10-16 27335 Riverside lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. Moreno Valley 534 Comment
  UCR139188  Hemizonia paniculata Virginia Moran 2003-5-17 s.n. Riverside Johnson Ranch (managed by Center for Natural Lands Management), vicinity of Skunk Hollow and Santa Gertrudis Creek, 'knoll 1' on northern edge of first baseline transects established by CNLM 422 Comment
  UCR266260  Hemizonia paniculata D. E. Bramlet 2006-8-11 4045 Riverside Perris-Aguanga Basin Region, San Jacinto Valley, west of Hemet at Hemet-Ryan Airport 459 Comment
  UCR267879  Hemizonia paniculata D. E. Bramlet 2005-4-19 3820 A Riverside Hills west of Hemet-Ryan Airport, west of California Ave., south of Hwy 74, north of Stowe Rd. 599 Comment
  CLARK-A1528-1924  Hemizonia pungens John C. Roos 1937-5-10 2452 Riverside Lake Elsinore Comment
  UCR20967  Hemizonia pungens subsp. laevis A. C. Sanders, Steve Boyd 1980-5-19 1477 Riverside San Jacinto Valley, San Jacinto River c. 1.5 miles west of Lakeview on the Ramona Expressway 427 Comment
  UCR90801  Herniaria cinerea A. C. Sanders, G. K. Helmkamp 1996-3-17 17986 Riverside Sonoran (Colorado) Desert, Coachella Valley, Palm Springs, mouth of Palm Canyon, c. 0.5 km east of Palm Canyon Dr. on Bogert trail 163 Comment
  RSA377054  Hesperocallis undulata N. C. Cooper 1949-4-8 3291 Riverside Blythe. 259 Comment
  RSA562056  Hesperocallis undulata Steve Boyd, Carol Boyd 1992-4-19 6928 Riverside N end of the Granite Mountains along powerline road near junction of Highway 177 and Highway 62. Area of transition between Mojave and colorado Deserts. Comment
  UCR214701  Hesperocallis undulata A. C. Sanders 2010-3-23 37536 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  RSA0049544  Hesperocallis undulata Steve Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2222 Riverside Northwest end of the McCoy Mountains, NW of Blackjack Mine. 400 Comment
  UCR241929  Hesperocnide tenella A. C. Sanders, John F. Green 2013-3-27 40688 Riverside Peninsular Range, Alberhill, along Lake St. near the old clay mines, 1.16 km south of I-15 Fwy 388 Comment
  UCR90751  Hesperocnide tenella Scott D. White 1995-4-5 2754 Riverside Perris Valley, Lakeview Mountains; SW of Juniper Flat Road 579 Comment
  UCR48389  Hesperolinon micranthum Steve Boyd 1986-4-22 1773 Riverside Peninsular Range, Temescal Canyon, E side of Indian Wash, south of I-15 Comment
  RSA559362  Heterocodon rariflorum Steve Boyd, Timothy S. Ross, Dave Bramlet 1993-5-13 7380 -B Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile 412 Comment
  UCD113330  Heteromeles arbutifolia A. C. Sanders 2004-6-20 28211 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
  SDSU4589  Heterotheca grandiflora James C. Dice, J. Dewald 1987-9-28 729 Riverside North side of Temecula Gorge, near entrance to field station site, ca. 4.5 km ENE of Gavilan Mountain. T3S, R3S, northeast 1/4 of northeast 1/4 of section 27. 329 Comment
  JEPS44370  Heuchera hirsutissima Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4252 Riverside ne side Toro Peak; Santa Rosa Mts 2499 Comment
  UCR168263  Hibiscus denudatus Scott D. White 2001-4-3 8261 Riverside Sonoran (Colorado) Desert, Shavers Valley, near the I-10 Freeway, c. 15 miles east of Indio junction of I-10 and Calif. SR 111, adjacent to powerline access roads at unnamed freeway exit accessing pump station 473 Comment
  UCR74358  Hibiscus denudatus Theo Glenn 1991-4-30 91- 56 Riverside Sonoran (Colorado) Desert, McCoy Mtns, NW of Blythe 280 Comment
  RSA0016769  Hippuris vulgaris Peter H. Raven 1959-5-17 14232 Riverside Lake Fulmor, San Jacinto Mtns. Comment
  RSA0118061  Hoffmannseggia microphylla Sarah J. J. De Groot, Thomas Stoughton 2016-2-18 7618 Riverside Mecca Hills: side canyon (east fork) of Painted Canyon. 182 Comment
  SD49373  Hoffmannseggia microphylla Thomas W. Whitaker 1958-4-30 Riverside Box Canyon, midway between Mecca & Shaver's Well, in gravelly soil Comment
  UCR18038  Holocarpha virgata subsp. elongata A. C. Sanders, O. F. Clarke, Dan Vossler 1975-7-23 139 Riverside Santa Ana Mtns., Santa Rosa Plateau, Mesa west of Murrieta, along Tenaja Rd. about 2 mi west of the eastern escarpment of the Santa Rosa Plateau. Probably collected very near Bench Mark 1847 ft. shown on the topo map 579 Comment
  UCR202606  Hordeum brachyantherum subsp. californicum Scott D. White, Justin M. Wood 2008-7-9 12418 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  RSA717589  Hordeum depressum A. C. Sanders 2004-5-12 27877 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  SEINET13276723 Image available Hordeum depressum Mitch Provance, Matt Amalong 2015-1 415 -13 Riverside Temecula/Murrieta Region: About 1 mile SW of Winchester, along Leon Rd. in the vicinity of Norma Way and Busby Rd. (Winchester 7.5' Q.) 438 Comment
  UCR211715  Hordeum depressum Fred M. Roberts, Melissa Riedel-Lehrke 2006-4-18 6319 Riverside Perris Basin, San Jacinto Valley, west of Hemet, along west side of Warren Road, 0.1 km north-northwest of the junction of Warren Road and Esplenade Road, 1.5 km north-northwest of the summit of Tres Cerritos Hills 453 Comment
  RSA563861  Hordeum intercedens A. C. Sanders 1993-5-12 14016 Riverside Hemet, W side of Warren road, 1/2 mile S of Florida Ave. (Hwy 74), between the New San Diego Aqueduct and Warren, directly opposite of the W end of Whittier Road. 457 Comment
  RSA609948  Hordeum intercedens D. E. Bramlet 1996-4-22 2459 Riverside San Jacinto Wildlife Area, Lovell Unit. The site is approximately 198m east of Davis Road and183m north of the San Jacinto River. This locality was some 46m south of the existing access road., 11S X 04 88 978mE X 37 45 950mN 432 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
  RSA551080  Hordeum marinum R. F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 51993 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  RSA741422  Hordeum murinum Justin M. Wood 2008-12-2 259 Riverside City of Temecula, Murrieta Creek, downstream of 1st street bridge. 290 Comment
  UC1719527  Hordeum murinum D. Atwood 1993-3-28 17710 Riverside Bolsa Chica Ecological Reserve, California Dept. of Fish and Game. Comment
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Jun 3 2012
  UCR182376  Hordeum murinum Andrea Salzman, Carlos Navarro 2006-5-9 97 Riverside Peninsular Range, San Jacinto Mountain foothills, San Jacinto Wildlife Area, east of Davis Road near duck ponds 436 Comment
  POM352475  Hordeum murinum subsp. leporinum Mark Morris 1929-3-3 s.n. Riverside Indian Canyon Comment
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Nov 9 2011
  HSC10209  Hordeum murinum subsp. murinum C. L. Hitchcock, C. V. Muhlick 1961-3-17 23083 Riverside 8 mi. SE of Corona, along road to Elsinore Comment
  CAS-BOT-BC201093  Hosackia crassifolia Carl B. Wolf 1940-7-2 9719 Riverside E. side of Santa Ana Mts. Indian Canyon Truck Trail, 1/4 mi. below main divide 1219 Comment
  SD229152  Hosackia crassifolia var. crassifolia Dick Schwenkmeyer 2012-8-28 814 Riverside Fuller's Mill camp, 2.6 mi. east of intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1799 Comment
  SD42469  Hosackia crassifolia var. crassifolia Carl B. Wolf 1940-7-2 9719 Riverside East side of santa Ana Mountains, Indian Canyon truck trail, Ao mile below main divide, dry open slopes 1219 Comment
  RSA0054881  Hugelia filifolia Keith E. Hoffmaster 1937-6-6 756 Riverside Near Valle Vista, Hemet Valley. Comment
  UCR90381  Hulsea heterochroma D. L. Banks, Steve Boyd 1995-6-2 0564 Riverside Palomar Mtns., Cleveland Nat'l Forest, Agua Tibia Wilderness Area, N face of N peak of Agua Tibia Mt., on the Wooodchuck Trail north of the Riverside Co. boundary, c. 0.25 mi south of the clay grasslands in S32. 902 Comment
  RSA747865  Hulsea vestita subsp. callicarpha Justin M. Wood 2009-5-11 682 Riverside Morris Ranch Rd., roadside just E of Tripp Meadow. 1616 Comment
  RSA453769  Hydrocotyle umbellata L. C. Wheeler 1933-12-2 2314 Riverside U.S. 99: 2 miles NW Whitewater Station. 366 Comment
  RSA561119  Hydrocotyle umbellata Steve Boyd, Tim Ross, David E. Bramlet 1993-5-12 7317 Riverside Southern Santa Ana Mountains, Sant Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon. 365 Comment
  RSA696755  Hymenoclea salsola J. R. Bruff 1922-04 s.n. Riverside Palm Springs. Comment
  UCR101570  Hymenoclea salsola Bern Schwenn 1998-4-11 s.n. Riverside San Bernardino Mountains, Mission Creek, along Pacific Crest Trail and slope on E side of canyon. 823 Comment
  UCR34978  Hymenopappus filifolius var. lugens L. B. Ziegler 1968-5-21 298 Riverside San Jacinto Mtns., Hemet Valley (=Garner Valley) 1418 Comment
  UC489081  Hypericum anagalloides C. V. Meyer 1928-7-26 532 Riverside w. slope San Jacinto Mt. 2438 Comment
  UCSB4124  Hypericum scouleri Kamb, Peter 1948-10-31 Riverside Hall Canyon; San Jacinto Mts Comment
  RSA613451  Hypochaeris glabra D. L. Banks, Victor Steinmann 1997-3-13 1441 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  RSA651718  Hypochaeris glabra Margaret Murphy 1983-4-15 0013 -A Riverside Located in the north section of parcel 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  JOTR29204  Hyptis emoryi La Doux, Tasha 2005-3-30 1206 Riverside Joshua Tree National Park. Pinto Basin; along Pinto Basin Road east of Fried Liver Wash, north of Hexie Mountains 544 Comment
  POM69497  Hyptis emoryi George B. Grant 1906-5-1 776 -6610 Riverside On Colorado Desert at Palm Springs. Comment
  RSA420172  Hyptis emoryi M. B. Dunkle 1933-3-4 3059 Riverside Painted Canyon. Colorado Desert. 30 Comment
  SFV5022  Hyptis emoryi F. M. Ball 1964-1-4 s. n. Riverside Colorado Desert Rocky roadside, Seven Level Hill about 10 miles south of Palm Desert on Route 74 to Hemet. 610 Comment
  UCD124924  Hyptis emoryi L. S. Rose 1935-12-21 s.n. Riverside Colorado Desert, Palm Canyon Wash. 182 Comment
  UCD124926  Hyptis emoryi C. W. Tilforth 1967-2-12 111 Riverside Painted Canyon, east of Mecca. Colorado Desert. Comment
  UCSB19490  Hyptis emoryi Shaw, Merrilee 1963-5-5 Riverside Just off California Highway 74, 5.7 miles NE of Pinyon Flats Campground 762 Comment
  UC897234  Isocoma acradenia var. eremophila Carl B. Wolf 1932-10-11 Riverside Morongo Wash at San Bernardino Co. line Colorado Desert, Little San Bernardino Mts. 731 Comment
  UCR250111  Isocoma menziesii A. C. Sanders 2014-4-9 41004 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 0.2 km NW of intersection with Indian Truck Trail 354 Comment
  UC63200  Isocoma menziesii var. vernonioides H. M. Hall 1902-4-1 2969 Riverside vicinity of Riverside 304 Comment
  RSA774504  Isomeris arborea Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4426 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  UC917897  Isomeris arborea Frank W. Gould 1944-4-5 2237 Riverside 18 mi e Temecula (near road junction) Comment
  UCR260879  Isomeris arborea A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41486 Riverside San Gorgonio Pass, north of San Gorgonio River wash, c. 3 miles east of Cabazon, south of I-10 and generally NE of water bottling plant 457 Comment
  UCD51330  Jarava speciosa Fred M. Reed 1920-5-10 4489 Riverside Colorado Desert, Murray Canyon. 426 Comment
  CAS-BOT-BC167115  Juglans californica A. C. Sanders 2004-6-30 28395 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, large rocky hill (1762 ft.) 1 mi. E of Murrieta Rd. and 1 mi. N of Bundy Canyon Rd., ca. 5 miles due south of Sun City 518 Comment
  RSA0011198  Juglans californica A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37141 Riverside Box Springs Mtns. Foothills, Riverside, eastern side of UCR Campus in canyon below botanical garden 320 Comment
  SEINET959354  Juglans californica Jennifer H. Jones, Janine Amaya and Thi (Teresa) Bui. 2006-1 263 Riverside San Bernardino Valley: Hills S of Loma Linda; Hulda Crooks Park, Barton Rd. and Mountain View Ave., s down service road (powerline access road) in Scott Canyon (Redlands 7.5 Q) 427 Comment
  RSA780936  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37147 Riverside Peninsular Range: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  SD237480  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37145 Riverside Peninsular Range: Box Springs Mtns. Foothills, Riverside, dry arroyo on UCR campus SE of student health center and just north of North Campus Drive (Riverside East 7.5'Q) 320 Comment
  RSA678973  Juncus bufonius Scott D. White, Michael Honer 2003-6-3 9454 Riverside Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  SBBG104093  Juncus bufonius A. C. Sanders 1993-4-5 13685 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
  UC1601697  Juncus bufonius H. M. Hall Jun 1901 2076 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1402 Comment
  UCR201666  Juncus effusus Scott D. White, Justin M. Wood 2008-6-18 12233 Riverside San Jacinto Mountains, K Flat Meadow 1445 Comment
  RSA515314  Juncus macrophyllus Jeri Hirshberg 1989-4-11 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta, NE of Mesa de Burro, creek below Guava-De Luz Road, approximately 1.5 miles SW of intersection with Hayes Avenue. 610 Comment
  RSA520947  Juncus macrophyllus Steve Boyd, David E. Bramlet 1988-10-8 2872 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Comment
  CHSC106635  Juncus rugulosus P. F. Zika; Nick Otting 2010-8-3 25250 Riverside Lake Fulmor, above Route 243, Hall Canyon, Black Mountain, San Jacinto Mountains. 1650 Comment
  RSA14373B  Juncus tiehmii Phillip A. Munz 1922-5-20 5473 Riverside Kenworthy, San Jacinto Mountains 1433 Comment
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May 29 2011
  RSA192264  Juncus xiphioides E. W. Lathrop 1960-6-9 4966 Riverside 14 miles west of Murrieta. Comment
  RSA588173  Juncus xiphioides Darin L. Banks, Victor Steinmann 1995-7-10 745 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
  CAS-BOT-BC85416  Juniperus californica Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  RSA296170  Juniperus californica B. A. Prigge 1980-8-5 3870 Riverside San Bernardino Mts, Whitewater Canyon: 0.5 miles N of trout farm. Slopes and terraces of canyon. 716 Comment
  UCR89980  Juniperus californica Scott D. White, S. J. Myers 1995-10-21 3722 Riverside San Jacinto Valley, Eastern foothills of San Jacinto Valley,'Santa Rosa Hills', south of Hemet. Foothills just above orange grove. 610 Comment
  UCR93044  Juniperus californica Scott D. White 1995-12-24 3797 Riverside Lakeview Mtns., Juniper Flats Road, c. 1.2 road mi north of the junction w/ SR 74. 610 Comment
  JEPS9191  Justicia californica W. L. Jepson 1927-4-12 11674 Riverside Painted Canyon, Mecca Hills Mecca Hills, Painted Canyon 76 Comment
  POM6744  Justicia californica P. A. Munz, L. T. Street, G. Williams 1919-3-28 2383 Riverside Palm Canyon 183 Comment
  SEINET3365551  Kallstroemia californica G. Rink 2011-9-25 11072 Riverside South of I-10 at the Ford Dry Lake Exit, in a swale that sometimes holds water 110 Comment
  JEPS8733  Keckiella antirrhinoides I. W. Clokey and E. G. Anderson 1935-4-16 6885 Riverside e of Hemet (hillside along San Jacinto River) 600 Comment
  RSA298692  Keckiella antirrhinoides D. C. Michener 1982-5-24 4046 Riverside Disturbed chaparral along the Ortera Hwy (Ca 74) 1.3 miles jct with Grand Ave. by Lake Elsinore. [Voucher 220 Gracilaria, 220w] Comment
  UC410544  Keckiella antirrhinoides Mrs. E. C. Van Dyke 1928-7-10 Riverside near Idyllwild Comment
  SBBG26856  Keckiella antirrhinoides subsp. antirrhinoides I. W. Clokey with E. G. Anderson 1935-4-16 Riverside E of Hemet, along San Jacinto River 600 Comment
  SBBG54461  Keckiella antirrhinoides subsp. antirrhinoides L. R. Abrams 1941-4-12 13882 Riverside Palomar School, near Perris Comment
  JEPS100903  Keckiella antirrhinoides var. antirrhinoides Dean W. Taylor 1998-5-13 16429 Riverside Aguanga Valley, mouth of Temecula Creek, on hillslopes just south of Highway 79 609 Comment
  LA209283  Keckiella antirrhinoides var. antirrhinoides W. E. Pequegnat; 1939-4-8 21 Riverside Santa Ana Mts Comment
  LA209287  Keckiella antirrhinoides var. antirrhinoides Anna Lang; 1971-4-19 sn Riverside San Timoteo Badlands; slope near roadcut along Redlands Blvd 640 Comment
  SD152748  Keckiella antirrhinoides var. antirrhinoides Steve Boyd, T. Ross, D. Bramlet 1993-5-13 7360 Riverside San Mateo Wilderness Area; San Mateo Canyon, along stream about the confluence with Los Alamos Canyon, near junction of Tenaja Road (7S01) and Los Alamos Road (7S04) 395 Comment
  JOTR32191  Keckiella antirrhinoides var. microphylla Harding, Mitzi & Herskovits, Tasya, D. Oquendo 2011-5-5 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; Pushawalla Canyon; Gravelly hills above canyon wash (Stop 3) 1217 Comment
  RSA678931  Keckiella cordifolia Scott D. White, Michael Honer 2003-6-3 9474 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  RSA764124  Keckiella cordifolia Linda M. Prince, Duncan S. Bell 2009-6-17 577 Riverside Cleveland National Forest Comment
  UCR178333  Keckiella ternata Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 641 Riverside San Bernardino Mtns., Morongo Indian Reservation, ridge east of upper Hathaway Canyon, west of Burro Flats 1037 Comment
  JOTR31094  Krameria erecta La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2355 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Cobble toe slopes at the base of Ryan Mountain, north end of Lost Horse Hills (Stop 3) Comment
  RSA248056  Krameria grayi Robert F. Thorne, C. W. Tilforth 1973-5-30 43578 Riverside Colorado Desert: Mouth of Morongo Valley at N end of Coachella Valley 549 Comment
  UCR228387  Krameria grayi Thomas R. Stoughton, J. McConnaughy, D. Monks 2010-5-25 218 Riverside Mojave Desert; East Mojave Desert, Cadiz Valley. Iron Mtns. Just E of junction of hwy 62 and hwy 177, NW of hwy 62 420 Comment
  RSA597059  Lactuca serriola D. L. Banks, Lauren Raz 1996-11-5 1158 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, S of San Gabriel Church; Along a newly established firebreak along a NW-SE running ridgeline, near the water tank. 402 Comment
  RSA180492  Lagophylla ramosissima E. W. Lathrop 1960-5-27 5233 Riverside 6 miles west of Murrieta. Comment
  SD227700  Lamarckia aurea A. C. Sanders 1994-5-15 14489 Riverside Mount Rubidoux, ar rodky granitic hill on the NW side of Riverside on the east bank of the Santa Ana River. 399 Comment
  UCR2511  Lamarckia aurea F. M. Reed 1933-5-20 7692 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 305 Comment
  HSC17018  Langloisia setosissima subsp. setosissima C. L. Hitchcock 1966-3-20 24310 Riverside N of Milpitas Wash, Ogilby-Blythe Rd. Comment
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Mar 2 2013
  POM310387  Larrea tridentata Margaret Haringe 1946-4-15 284 Riverside Along road to 29 Palms, south of Morongo valley 396 Comment
  RSA390021  Larrea tridentata George B. Grant 1906-5-5 2459 Riverside Desert regions. Near Palm Springs. Comment
  RSA390023  Larrea tridentata C. Crow 1928-11-11 s.n. Riverside Morongo Valley, Colorado Desert. Desert plains Comment
  RSA516899  Larrea tridentata Steve D. Boyd 1986-3-13 1418 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd and 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  UC867939  Larrea tridentata Alice Eastwood 1913-4-30 3085 Riverside Palm Springs Comment
  UCSB9620  Larrea tridentata Hawkins, L. 1956-4-13 Riverside Dry stream bank in Whitewater Canyon Comment
  SEINET10693128  Larrea tridentata var. glutinosa Lewis S. Rose 1945-12-30 Rose 45347 Riverside Palm Springs. 137 Comment
  CLARK-A1045-238  Lasthenia chrysostoma George K. Helmkamp 1978-4-1 Riverside Whitewater junction of Interstate highway 10 and Verbenia Avenue; Whitewater 7.5'Q Comment
  RSA743825  Lasthenia coronaria Sarah J. De Groot, J. Mark Porter 2005-3-9 4772 Riverside Whitewater Canyon, several miles north of I-10. 591 Comment
  UCR34939  Lasthenia coronaria Robert McAllister 1969-4-21 343 Riverside San Jacinto Mtns, San Jacinto Valley, area near Avery (Mission) Canyon 488 Comment
  UCR93012  Lasthenia coronaria G. P. Schultz 1994-4-7 66 Riverside Box Springs Mtns, Big Springs Canyon and N on the crest to Two Trees Canyon (S side) Comment
  IRVC27654  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1997-3-13 2490 Riverside Nichols Road Wetlands, ca 335 m SE of Nichols Road, 91m W of Collier Ave. and 305 m W of the I15, E of the existing dirt road extending S from Nichols Rd. and adjacent to Alberhill Creek 381 Comment
  RSA550486  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1992-4-15 2235 Riverside San Jacinto Wildlife approximatly 1km east of Davis Road.the polulation extends from an area 20m. of the old San Jacinto River channel to a large alkaline flat, just west of the 1st wildlife ond and extending to the Horse ranch. 133 Comment
  RSA556488  Lasthenia glabrata subsp. coulteri Julie Greene 1993-3-13 1058 Riverside On the berm between the western ponds 440 Comment
  UCR121104  Lasthenia glabrata subsp. coulteri A. C. Sanders, Sue Nash, Tom Paulek, et al 2002-4-7 24903 Riverside Perris-Aguanga Basin region, San Jacinto Wildlife Area, west side of Davis Rd., just north of the old San Jacinto River channel (levee), 2.25 mi. north of Lakeview 434 Comment
  UCR18611  Lasthenia glabrata subsp. coulteri O. F. Clarke 1973-3-10 s.n. Riverside Lakeview Area, 2.5 mi north of Ramona Expressway on Davis Rd. 434 Comment
  UCR213442  Lasthenia gracilis A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37830 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, ridge west of dirt extension of Lake St., 0.9 mi. north (358 deg. ) of intersection of I-15 and Lake St. 488 Comment
  UCR90755  Lasthenia gracilis Scott D. White 1995-4-5 2741 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  UCSB46693  Lasthenia gracilis Reed, Susan 1977-03 Riverside On the left side of Cajalco Rd., 1.5 miles west of Lake Matthews 365 Comment
  CAS-BOT-BC321563  Layia glandulosa Peter H. Raven 1958-5-5 12904 Riverside West of Split Rock Tank, Joshua Tree National Monument Comment
  UCR19470  Layia glandulosa C. S. Papp 1965-6-13 846 Riverside San Jacinto Mtns, Idyllwild 1829 Comment
  JOTR01271  Layia glandulosa Cole, James E. 1941-3-30 455 Riverside Joshua Tree National Park. COTTONWOOD SPRING WASH 762 Comment
  CAS-BOT-BC379631  Layia platyglossa Joseph Andorfer Ewan 1933-3-5 10781 Riverside Palonia Valley, 7 mi. NE Murrietta Comment
  CAS-BOT-BC379666  Layia platyglossa J. C. Roos 1965-6-13 s.n. Riverside Mountain Center, San Jacinto Mtns. Comment
  CAS-BOT-BC379668  Layia platyglossa C. L. Hitchcock; C. V. Muhlick 1964-3-17 23095 Riverside 3 miles SE of Glen Ivy Hot Springs Comment
  HSC85267  Layia platyglossa Steve Boyd 1986-4-22 1764 Riverside W side of Indian Wash, S of I-15 Comment
  RSA658685  Layia platyglossa Sandy Gray 1981-04 5 Riverside 6 miles E of Corona, 1/2 mile west of Pacific Clay Co. Hwy 142. Highway overpass-stops. Comment
  RSA716823  Layia platyglossa A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25840 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  SBBG93122  Layia platyglossa D. Mitchell 1990-4-30 Riverside W side of Sage Rd, ca. 0.5 mi S of intersection with Wilson Valley Rd 701 Comment
  UC917864  Layia platyglossa Frank W. Gould 1943-4-17 2105 Riverside 12 mi s of Corona Comment
  UCR34927  Layia platyglossa L. B. Ziegler 1968-4-20 277 Riverside Peninsular Range; San Jacinto Mtns., Hemet Valley 1402 Comment
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Jan 7 2013
  RSA263684  Layia platyglossa subsp. campestris E. W. Lathrop 1968-6-2 6951 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. Comment
  RSA554006  Leersia oryzoides J. C. Roos 1965-11-4 s.n. Riverside Fairmont Park, Riverside Comment
  UCR113932  Lemna valdiviana Mitch Provance, A. C. Sanders 2000-7-4 2098 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  SD114969  Lepechinia cardiophylla M. Kottman 1982-5-17 Riverside Junction of Indian Truck Trail and North Main Divide; Santa Ana Mountains. Comment
  UCR153379  Lepechinia cardiophylla Orlando Mistretta 1992-8-31 788 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Ana Mountains; Sierra Peak; Cleveland National Forest. Astragalus brauntonii survey 701 Comment
  SD262244  Lepidium densiflorum Mitch Provance, John Hazlett 2017-4-27 417 39 Riverside Elsinore Trough: Lake Elsinore, S end of Birch St., 0.1 mi W of Chaney St. and Education Way. 385 Comment
  RSA562054  Lepidium dictyotum Steve Boyd, Timothy S. Ross 1992-4-1 6773 Riverside Temescal Canyon, terrace escarpments between Indian and Horsethief Washes along De Palma Road. 412 Comment
  CAS-BOT-BC89434  Lepidium fremontii Ira L. Wiggins 1937-3-9 8755 Riverside 5 miles west of Shaver's Well. Comment
  UCSB22531  Lepidium fremontii Shaw, M. 1964-4-5 Riverside 1.5 miles east of junction of State Highway 70 594 Comment
  SEINET9119074  Lepidium fremontii D. Myrick 1965-1 1072 Riverside Joshua Tree National Monument near White Tank Public Camp. 762 Comment
  RSA278956  Lepidium lasiocarpum B. A. Prigge, L. Martinez 1978-3-23 2399 Riverside NW Colorado Desert, Coachella Valley, 1.7 miles W of north Palm Springs on Dillon Rd. 274 Comment
  RSA429921  Lepidium lasiocarpum Geo Cantwell 1935-4-8 s.n. Riverside McCoy Springs, McCoy Mnts. [NW of Blythe] Comment
  POM93985  Lepidium lasiocarpum Marcus E. Jones 1926-2-19 s.n. Riverside West of Indio, Riverside County Comment
  SBBG92557  Lepidium latifolium D. Mitchell 1990-1-3 Riverside Woodcrest, S of Van Buren and W of Washington; T3S, R5W, S28 Comment
  UCR22134  Lepidium nitidum Steve Boyd 1980-5-22 298 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau. east of the trailer park, E side of Gavilan Rd 625 Comment
  UCR59678  Lepidium nitidum Steve Boyd, T. S. Ross, L. Arnseth 1989-3-19 3033 Riverside Peninsular Range, Vail Lake area, 0.5 mi WNW of dam, S flank Oak Mountain 488 Comment
  RSA429923  Lepidium nitidum var. nitidum Christopher Davidson 1973-4-1 1816 Riverside Jct. Vail Lake Marina and Hwy. 71/79, about 3 miles west of Aguanga. 426 Comment
  RSA276729  Lepidium virginicum var. pubescens John F. Emmel 1978-6-18 607 Riverside San Jacinto Mts.; Strawberry Creek, SW of Idyllwild 1555 Comment
  SD262250  Lepidium virginicum var. pubescens Mitch Provance, Jeremiah George 2017-3-23 317 58 Riverside Temescal Valley: De Palma Rd., side canyon between Horsethief Canyon and Glen Eden, south of dirt road entrance to revegetation plots. 372 Comment
  UCR261486  Lepidium virginicum var. pubescens A. C. Sanders, Katie Young, John Hale 2015-4-22 41585 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 1.6 km south of I-10, 1.2 km NW (319 deg. ) of One Horse Spring 458 Comment
  POM96474  Lepidium virginicum var. pubescens P. A. Munz 1926-4-30 10377 Riverside Alberhill Comment
  UCR16631  Lepidium virginicum var. robinsonii James K. Ryan 1969-3-26 s.n. Riverside City of Riveside, Box Springs Mtns. 100 ft uphill beyond Canyon Reservoir, at theast end of Blaine St. 427 Comment
  RSA575857  Lepidospartum squamatum Steve Boyd 1980-9-22 s.n. Riverside Lakeview Mountains, Juniper Flats area along Juniper Flats Rd. at '4 J's Ranch.' Comment
  UCR260954  Leptochloa mucronata Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6021 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, c. 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well 107 Comment
  CDA29073  Leptochloa uninervia Mike Lahti 2008-12-12 PDR# 1509355 Riverside Hemet. Bautista Creek Ranches, 45200 Bautista Road, near Fairview Avenue. 0 Comment
  UCR80796  Leptochloa uninervia Scott D. White 1992-9-11 796 Riverside Vicinity of Gilman Hot Springs, north side of San Jacinto River & a thin strip trending north of the river & west of the Hot Springs 459 Comment
  CLARK-A1528-3534  Leptodactylon pungens 1937-7-16 2649 Riverside Little San Bernardino Mountains 1523 Comment
  JOTR31064  Leptodactylon pungens La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2046 Riverside Joshua Tree National Park. Little San Bernardino Mountains; STOP 3: west side of Quail Mountain region on steep north facing slope with loose loamy soil Comment
  UC52850  Leptodactylon pungens H. M. Hall May 17 1901-Jun 1 1901 1911 Riverside Santa Rosa Peak Comment
  RSA263686  Leptosiphon floribundus E. W. Lathrop 1968-5-22 6927 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  POM570725  Leptosiphon liniflorus Steve Boyd, T. S. Ross, J. Travis Columbus 1993-10-23 8192 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Morrell Canyon along Morgan Trail (5W02). 878 Comment
  UCD118860  Leptosiphon liniflorus Steve Boyd 1986-5-7 1850 Riverside Temescal Canyon, Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. Comment
  UC1287162  Lesquerella tenella C. L. Hitchcock 1966-3-20 24309 Riverside along road to Blythe about 30 mi n Ogilby Comment
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Mar 2 2013
  UCR141240  Lessingia filaginifolia A. C. Sanders, Mike Misenhelter 2004-10-6 28829 Riverside Santa Ana Mtns./Santa Rosa Plateau, hill 2139 at west end of the Mesa De Colorado, private land on the west side of Via Volcano adjacent to the Santa Rosa Plat. Ecol. Reserve 640 Comment
  UCR220005  Lessingia 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 mi. NNE (25 deg. ) of El Cerrito, 1 mi. SSE (143 deg. ) of Home Gardens, just east of large rock quarry 488 Comment
  SJSU7264  Lessingia glandulifera M. A. Baker 1974-8-20 102 Riverside Pacheco Pass between McCoy Mts & Mule Mts c. 11 mi W of Blythe Comment
  CAS-BOT-BC339362  Lessingia glandulifera var. glandulifera John Thomas Howell 1927-8-2 2909 Riverside At Idyllwild, Strawberry Valley, Mt. San Jacinto 1676 Comment
  RSA0094098  Lessingia glandulifera var. glandulifera Duncan S. Bell, Evan Meyer, Sonia Pena 2015-10-20 8724 Riverside Santa Rosa Mountains; above Garnet Queen Creek, approximately 2 air miles northwest of the summit of Santa Rosa Mountain. 1783 Comment
  RSA761323  Lessingia glandulifera var. glandulifera Shawn Krosnick, C. Martinez, N. Fraga, L. McDade, et al. 2010-8-14 681 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR139966  Lessingia glandulifera var. glandulifera Virginia Moran 2003-7-17 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and west of Wilson Creek 915 Comment
  UC38169  Leymus condensatus H. M. Hall May 1899 1218 Riverside Smith Mt. San Jacinto Mountains Comment
  RSA198979  Lilaea scilloides Robert F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37450 Riverside Santa Rose Plateau: Mesa de Colorado, Rancho California. 671 Comment
  SD137973  Lilium humboldtii subsp. ocellatum Darin L. Banks, Victor Steinmann 1995-7-10 749 Riverside Northwest Palomar Mtns; Agua Tibia Mtns; Cleveland Nat'l Forest, Agua Tibia Wilderness Area; Along the Wildhorse Trail, south of lower Arroyo Seco, northwest of Wildhorse Peak, in major drainage that flows off the northwest flank of Wildhorse Peak 609 Comment
  CAS-BOT-BC45841  Limnanthes gracilis var. parishii A. C. Sanders; Tim Thomas 2008-6-20 35537 Riverside Peninsular Range; San Jacinto Mtns.: May Valley near Fleming Ranch, north of Bonita Vista R. and east of Herkey Creek 1550 Comment
  POM12419  Limosella acaulis Philip A. Munz 1922-9-6 6378 Riverside Hidden Lake 2439 Comment
  UCR119809  Limosella acaulis A. C. Sanders, T. B. Salvato, E. J. Lawlor, C. L. Sanders, et al 1999-8-22 23066 Riverside San Jacinto Mtns., NW shore of Lake Hemet, at Forest Service day use area 1322 Comment
  CLARK-A1528-719  Linanthus androsaceus subsp. micranthus C. M. Flanagan 1973-5-12 Riverside Morongo Indian Reservation 1188 Comment
  JOTR34179  Linanthus dichotomus subsp. dichotomus Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 140 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Northeast flowing steep side canyon of Pushawalla Canyon, almost parallel to main canyon (Stop 5) 1171 Comment
  SDSU3187  Linanthus jonesii Pamela A. Beare 1992-3-13 13 III92E Riverside Just north of Box Canyon Road, approx. 7 miles ca. east of Painted Canyon Road, east of Mecca. 280 Comment
  RSA747966  Linanthus lemmonii Justin M. Wood 2009-5-11 689 Riverside Garner Valley, Quinn Flat area. 1372 Comment
  UCR161031  Linanthus lemmonii D. E. Bramlet 1991-5-1 2103 Riverside Wilson Valley 671 Comment
  SD247696  Linanthus maculatus subsp. maculatus J. Mark Porter, Leigh A. Johnson 1997-3-10 11467 Riverside Whitewater Canyon, ca. 1.0 mile N of Whitewater (along Intertate 10). 473 Comment
  SBBG6281  Linanthus parryae T. L. Secrest 1948-4-7 Riverside above Whitewater 304 Comment
  RSA765  Lobelia dunnii var. serrata J. T. Howell 1928-7-7 1030 Riverside Near Glen Ivy. 457 Comment
  CAS-BOT-BC174465  Loeflingia squarrosa Steve Boyd 1986-4-19 1699 Riverside Temescal Canyonk: E side of Indian Wash between I-15 and Temescal Canyon Road Comment
  UCR116627  Loeflingia squarrosa A. C. Sanders 2001-3-20 23847 Riverside Western Colorado Desert, Coachella Valley, Garnet, north side of 19th Ave., 1/2 mi. (airline) NW of intersection of I-10 and Indian Ave. 235 Comment
  UC909047  Loeseliastrum schottii H. K. Wagnon 1944-3-26 364 Riverside n. side Cathedral Canyon (Cathedral City); , Cathedral Canyon Comment
  SD237337  Logfia arizonica Dave Silverman, Onkar Singh 2010-3-25 7843 Riverside UTM in Supplement. NW of Blythe, Palo Verde Mesa, 1.4 km east of Black Creek Rd, 4.9 km west of McCoy Wash, and 8.8 km north of I-10. 150 Comment
  UC68902  Logfia depressa H. M. Hall 1905-5-1 6027 Riverside near the Pinto Mts.; Colorado Desert Comment
  CAS-BOT-BC342257  Logfia filaginoides F. W. Peirson 1921-3-22 5277 Riverside Murray Canyon near Palm Springs 487 Comment
  CAS-BOT-BC342261  Logfia filaginoides Ira L. Wiggins 1941-3-27 9702 A Riverside Slopes 4 miles north of Whitewater Comment
  UCR54314  Lolium perenne Frank C. Vasek 1956-6-12 s.n. Riverside Riverside: Hwy 60, 1.05 mi east of Chicago Ave. on the University of California, Riverside campus Comment
  RSA179517  Lolium temulentum E. W. Lathrop 1964-6-7 4877 Riverside 14 miles west of Murrieta, Redonda Mesa Comment
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Apr 28 2011
  RSA85578  Lomatium vaginatum J. C. Roos 1952-4-2 5455 Riverside At Edgemont near Box Springs. 488 Comment
  UCR94935  Lonicera subspicata Scott D. White 1996-8-15 4459 Riverside San Jacinto Mtns., Idyllwild Area: Unnamed drainage (tributary to Toll Rd. Cyn.) at crossing w/ USFS Rd. directly west of Isomata. 1555 Comment
  RSA674871  Lonicera subspicata var. denudata Scott D. White, T. B. Salvato 2001-6-8 8589 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  SEINET238483  Lotus argophyllus A. C. Sanders 1994-5-29 14569 Riverside San Bernardino Mountains: Millard Canyon at stream crossing just below site of Millard Station on FS road 2S05. 1100 Comment
  UCR116899  Lotus argophyllus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24195 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
  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
  UCR117084  Lotus heermannii A. C. Sanders, T. B. Salvato 2001-5-16 24309 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  RSA761321  Lotus nevadensis Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 679 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  POM12852  Lotus oblongifolius P. A. Munz 1922-6-23 5778 Riverside Garner Ranch, Hemet Valley 1372 Comment
  CLARK-A1528-484  Lotus purshianus Pat Halligan 1968-5-2 Riverside Riverside Comment
  UCR193882  Lotus purshianus A. C. Sanders 2008-7-25 35895 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, NE of Bonita Vista Rd. at foot of hills 1543 Comment
  SEINET3558565 Image available Lotus rigidus Lewis S. Rose 1938-12-22 38336 Riverside 15 miles southwest of Cathedral City Palms to Pines Highway, San Jacinto Mountains. 671 Comment
  RSA770294  Lotus scoparius subsp. brevialatus Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4579 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR22692  Lotus scoparius subsp. brevialatus N. R. Zabriskie, W. W. Zabriskie 1973-4-6 635 Riverside Peninsular Range, San Jacinto Mountains; Sonoran (Colorado) Desert, Mesa SE of Andreas stream in the 1st 0.25-mile opposite and south of junction with 'Norh Canyon', Andreas Canyon; E slope of mountains (Site A-9) 366 Comment
  RSA715347  Lotus scoparius var. brevialatus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32672 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., near stream crossing of dirt road. 549 Comment
  HSC78066  Lotus strigosus R. A. Eagle 1964-3-28 21 Riverside 7 mi. out of Palm Springs on the Thunderbird Rd. Comment
  RSA314661  Lotus strigosus R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55480 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  SEINET7063560  Lotus strigosus A. G. Vestal 1947-4-8 s.n. Riverside About 6.8 miles south on Route 3. UTM Zone 11, 509589mE, 3707060mN. (WGS84/NAD83). 610 Comment
  SEINET7073438  Lotus strigosus A. G. Vestal 1963-4-25 s.n. Riverside About 6.8 miles south of Sage on Route 3. Coordinate datum: NAD27. Comment
  UCR102952  Lotus strigosus George K. Helmkamp 1998-4-4 3153 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  UCR103907  Lotus strigosus B. G. Pitzer 1997-4-11 3108 Riverside Lakeview Mtns, Pulsar View Road (dirt), at sharp turn in road c. 1 mi. (air) NE of Juniper Flat Road, and c. 3/4 -1 mi. by road from the base of the hills. C. 3/4 mi. (airline) SE of Mt. Rudolph (measured from BM 'Nelson') 610 Comment
  UCR167821  Lotus strigosus John F. Green 2005-3-16 s.n. Riverside Perris-Aguanga Basin, Cajalco Canyon, SE of Corona, SW of Lake Mathews, east of Calif. highway 71; Collections made while monitoring pipeline repair 366 Comment
  UCR171951  Lotus strigosus John F. Green 2006-4-18 s.n. Riverside NE of Murrieta, just south of Los Alamos Rd. ('Clinton Keith Rd.'), on E and W sides of Liberty Rd. border between City of Murrieta and unincorporated French Valley 415 Comment
  UCR97243  Lotus strigosus Scott D. White 1997-2-28 4725 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  SEINET7042771  Lotus strigosus W. P. Vestal, A. G. Vestal 1955-3-25 s.n. Riverside Road shoulder on Long Valley Road north of Tecula. Ca. 0.1 mile east of U.S. 395 [=Interstate 15 & Route 79]. Comment
  RSA406378  Lotus tomentellus M. B. Dunkle 1935-3-31 4434 Riverside Pinto Basin. 915 Comment
  RSA50572  Lotus unifoliolatus E. C. Jaeger 1949-7-24 s.n. Riverside Virgin spring, Santa Rosa mountains Comment
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Nov 6 2011
  RSA508337  Lotus unifoliolatus Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mountains, ca. 1 mile SE of town of Nuevo. 640 Comment
  RSA660551  Lotus wrangelianus Lydia Paneri 1982-4-17 10 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  RSA0042691  Lupinus Henry J. Ramsey, Henry J. Ramsey 1938-4-26 1704 Riverside Cabazon. Comment
  CHSC90499  Lupinus arizonicus J. Lund 1980-4-3 52 Riverside 200 ft south of entrance to Joshua Tree National Monument. 944 Comment
  RSA795474  Lupinus arizonicus C. P. Cowan 1978-4-23 1208 Riverside 6.3 miles (10 km) south on Highway 74 from its junction with Highway 111 at Indian Wells. 480 Comment
  UC195032  Lupinus arizonicus Joseph Grinnell 1910-3-17 Riverside Riverside Mt.; Colorado River, Riverside Mt. Comment
  UCR279592  Lupinus arizonicus A. C. Sanders, Jim Malusa 2017-3-28 43159 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
  UCR152641  Lupinus bicolor A. C. Sanders 2005-4-22 29603 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR232775  Lupinus bicolor William Schlegel 2009-6-2 049 Riverside Peninsular Range; San Jacinto Mtns., Red Mountain Fire Lookout Telecom site 1394 Comment
  UCR260855  Lupinus bicolor A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41423 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  UCR25553  Lupinus bicolor subsp. microphyllus John C. Roos 1941-4-19 169 Riverside Peninsular Range, Loma Linda Hills/Box Springs Mtns.; plateau in Reche Canyon 671 Comment
  RSA590649  Lupinus bicolor subsp. umbellatus E. W. Lathrop 1960-4-15 4747 Riverside 14 miles west of Murrieta, in low valley pasture in Tenaja Canyon. 610 Comment
  RSA776230  Lupinus concinnus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 874 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 762 Comment
  RSA793013  Lupinus concinnus Justin M. Wood 2011-4-4 3391 Riverside San Bernardino Mountains Foothills: San Gorgonio River wash, off of Bluff Street, just east of Banning Bench. 881 Comment
  SD181516  Lupinus concinnus Scott D. White, Bill LaHaye 2000-5-27 7936 Riverside San Jacinto Mountains, Baldy Mountain area; Idyllwild [quad]. Common in burned areas. 1616 Comment
  UCR122525  Lupinus concinnus George K. Helmkamp, E. A. Helmkamp 2001-5-20 6671 Riverside San Jacinto Mountains., Apple Canyon Rd, 1.5 mi NE of CA-74 1463 Comment
  RSA282789  Lupinus concinnus subsp. optatus C. W. Tilforth, B. Busenberg 1980-4-10 1985 Riverside Along north leg of Thomas Mtn. Rd, south of Lake Hmet, Hwy 74. Comment
  RSA413571  Lupinus excubitus var. austromontanus N. C. Cooper 1944-6-17 1421 Riverside San Jacinto Mtns, Above Banning. 1067 Comment
  POM2498  Lupinus excubitus var. hallii L. T. Street, Durant 1918-5-12 s.n. Riverside San Jacinto. Comment
  RSA618414  Lupinus excubitus var. hallii D. L. Banks 1997-5-5 1962 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
  UCR25045  Lupinus formosus var. hyacinthinus A. C. Sanders 1980-7-18 1633 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  RSA591825  Lupinus latifolius subsp. parishii E. W. Lathrop 1968-5-22 6932 Riverside Bear Spring on the Main Divide Truck Trail1 miles E of Santiago Peak, Cleveland National Forest Comment
  RSA653253  Lupinus latifolius subsp. parishii Mitch Provance 2000-5-5 2011 Riverside Riverside: Box Springs Mtns., canyon ca. 0.5 mi. NE of peak 2553 and ca. 0.5 mi SW of the old landfill off Pigeon Pass Rd. 427 Comment
  OBI60546  Lupinus microcarpus var. densiflorus W. L. Jepson 1939-4-19 19211 Riverside 3 mi S of Aguanga 732 Comment
  RSA590650  Lupinus polycarpus E. W. Lathrop 1965-5-30 5597 Riverside 14 miles W of Murrieta, Riverside County Comment
  UC668375  Lupinus sparsiflorus Annie M. Alexander and Louise Kellogg 1941-4-22 2064 Riverside Morongo Valley Gorge 701 Comment
  UCR153428  Lupinus sparsiflorus Scott D. White 1999-5-24 7383 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
  RSA414400  Lupinus truncatus Bonnie C. Templeton 1930-4-15 1486 Riverside Between Perris and Gavilan Peak. 500 Comment
  RSA496472  Lupinus truncatus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3088 Riverside Vail Lake area, S of Hwy 79, Kolb Creek drainage, W of Woodchuck Rd. 488 Comment
  UC1929901  Lupinus truncatus Scott D. White 2004-4-26 10253 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. Lake Fulmore 7.5' Quad. Comment
  UCR104007  Lupinus truncatus George K. Helmkamp 1998-4-3 3085 Riverside Sonoran (Colorado) Desert, West Palm Springs Village area, vic. of Hwy I-10 & Verbenia Ave.; 4 mi. north of Tamarack Rd on Cottonwood Rd. 1280 Comment
  CAS-BOT-BC231415  Lycium andersonii W. L. Jepson 1912-10-28 5240 Riverside Riverside Mts., Colorado River 121 Comment
  CAS-BOT-BC231426  Lycium andersonii Mrs. Robert Campbell 1921-11-26 12 Riverside Palm Canyon Comment
  POM259667  Lycium andersonii Philip A. Munz 1940-3-22 15653 Riverside Whitewater Canyon 2 miles north of Banning-Indio boulevard. Comment
  UC303699  Lycium andersonii F. M. Reed Dec 1917 11655 Riverside Terquisquita Canyon [Tequesquite Arroyo] Comment
Read comments
Aug 14 2010
  UCR213386  Lycium andersonii A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37445 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
  UCSB11532  Lycium andersonii Haines, Bruce 1962-4-16 Riverside 3/4 mile east of Hidden Valley Campground on Key's Ranch Road, Joshua Tree National Monument 1295 Comment
  UCR163891  Lythrum californicum B. G. Pitzer 2001-8-19 4344 Riverside Peninsular Range; Santa Rosa Mountains, Carrizo Canyon, sheep guzzler c. 0.5 mi. SW of where Hwy 74 crosses canyon 701 Comment
  UCR110390  Lythrum hyssopifolia A. C. Sanders, Mitch Provance 1999-9-26 23084 Riverside San Jacinto Mountains, McMullen Flat at Valley High County Park, 0.7 mi. SE of Hwy 74 on Twin Pines Ranch Road 1183 Comment
  SEINET10809133  Machaeranthera David B. Dunn, Howard Brown 1947-1-12 Dunn 2836 Riverside Pushawala Canyon, Indio Hills. Along alkali banks. Comment
  RSA702050  Machaeranthera asteroides Scott D. White, Angelia Carey 2004-9-16 10764 Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  UCR34936  Machaeranthera canescens subsp. canescens L. B. Ziegler 1964-10-10 45 Riverside San Jacinto Mtns., Garner (Hemet) Valley 1402 Comment
  RSA587575  Madia exigua D. L. Banks, S. D. Boyd 1995-6-2 0574 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail N of the Riverside County boundary, in the clay grasslands in section 32, W of the Dripping Springs Alcove Area. 890 Comment
  RSA561880  Madia gracilis Steve Boyd, Timothy S. Ross 1992-6-10 7629 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, San Mateo Canyon about Potrero Escondido, an isolated area of low relief topping the ridge system due west of the junction of Tenaja Road (7S01) and Los Alamos Road (7S04)., At the confluence of Los Alamos Creek with the main trunk of San Mateo Creek 671 Comment
  UCR18505  Madia minima A. C. Sanders 1978-6-11 00151 Riverside San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  POM202489  Malacothamnus fasciculatus Marcus E. Jones 1934-5-10 s.n. Riverside Elsinore Comment
  RSA433321  Malacothamnus fasciculatus J. D. Olmsted 1962-5-10 3614 Riverside L. Matthews Road ca. 1/2 mi. W of dam. 427 Comment
  UCR41341  Malacothamnus fasciculatus N. M. Fellows 1984-3-20 2 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Oasis de Los Osos Preserve, off Snow Creek Canyon at the north foot of the San Jacinto Mtns, 1 mi west of Snow Creek Village 488 Comment
  UCR90972  Malacothamnus fasciculatus Scott D. White 1996-2-18 3806 Riverside Perris Basin, Double Butte, NW of Winchester, SE-facing slope of west butte and alluvial soil at base 490 Comment
  UC219554  Malacothrix californica P. A. Munz 1922-7-4 5974 Riverside Hemet Valley San Jacinto Mts. 1371 Comment
  UCR116066  Malacothrix clevelandii O. F. Clarke, Jeanine Derby 1974-4-19 s.n. Riverside Lakeview Mountains, c. 2 mi. SSW of Mt. Rudolph, north of Juniper Flat, east of Juniper Flat Rd. and south of Stagecoach Rd., EIR for Tentative Tract 5702 610 Comment
  POM97133  Malacothrix clevelandii P. A. Munz 1925-5-20 9830 Riverside 2 miles W of Dripping Spring. 427 Comment
  UC218090  Malacothrix coulteri P. A. Munz, D. Keck 1922-4-9 4813 Riverside Chuckwalla Valley, Hayfields Colorado Desert, Chuckwalla Valley, Hayfields 152 Comment
Read comments
May 1 2006
  JOTR33975  Malacothrix glabrata La Doux, Tasha, M. Harding 2010-4-7 2863 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  POM305807  Malacothrix glabrata Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1052 Riverside Corona-Elsinore. Comment
  RSA110397  Malacothrix glabrata E. K. Balls 1955-6-5 20954 Riverside In dry Morongo wash, nw. end of cochella valley. Comment
  UCR103992  Malacothrix glabrata George K. Helmkamp 1998-4-3 3079 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek area north of Mt. San Jacinto; at edge of stream south of Snow Creek Rd at a point 1.4 mi. south of Calif. Hwy 111 396 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
  CAS-BOT-BC347893  Malacothrix saxatilis var. tenuifolia Greata 1906-5-1 487 Riverside Yucaipe [Yucaipa] Comment
  SEINET2053781 Image available Malacothrix saxatilis var. tenuifolia Tony Beck 1968-5-4 6805041 Riverside 5 miles west of Beaumont on Hwy 60. On a dry rocky slope above a cut in the hillside, about 25 yds from the road. 609 Comment
  RSA27447  Malva parviflora I. L. Wiggins 1941-3-24 9566 Riverside 0.3 mile south of Myoma, 4.6 miles north of Indio. Comment
  RSA7198  Mammillaria dioica B. D. Stark 1932-09 7375 Riverside East slope of San Jacinto Mountains on the Palms to Pines road. 1524 Comment
  UCR166172  Marah macrocarpa John F. Green 2005-2-10 s.n. Riverside Peninsular Range, E of Temecula, Rancho California, SE of intersection of Mesa Verdugo and Calle Vista, N of Pauba Valley and south of Buck Mesa 430 Comment
  UCR84271  Marah macrocarpa A. C. Sanders, M. Jacobsmyer, C. L. Sanders 1995-2-5 15909 Riverside Western Colorado Desert/ San Bernardino Mtns., Whitewater Canyon, between Bonnie Bell & the fish hatchery 550 Comment
  POM254731  Marina parryi Philip A. Munz 1940-3-23 15685 Riverside Gold Crown mine, Pinto Mts. east of 29 Palms. 915 Comment
  SD125954  Marina parryi B. Pitzer 1988-3-10 646 Riverside West side of Chuckwalla Mountains, on gas line road, ca., 1.5 mile north of intersection with Red Cloud Mine Road. 487 Comment
  UC1329934  Marina parryi James E. Cole 1941-4-13 563 Riverside 0.5 mi n Meek's Cabin; Joshua Tree national Monument, Pinto Pass Comment
  UCSB3068  Marina parryi Haller, John 1958-3-22 Riverside Immediately S of Hwy. 60-70, 5.8 miles E of Desert Center Comment
  RSA409843  Marrubium vulgare Jeannette B. Edge 1934-4-22 s.n. Riverside Jurupa Mountains, open field. 579 Comment
  CLARK-A1528-5367  Marsilea vestita John C. Roos 1965-6-30 Riverside Perris Comment
  RSA544437  Marsilea vestita Steve Boyd, Timothy S. Ross, David Zippin, Tom Oberbauer 1991-6-14 6344 Riverside Skunk Hollow area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aquaduct. Comment
  RSA619789  Marsilea vestita A. C. Sanders, K. C. Rose 1998-9-29 22240 Riverside San Jacinto Valley: west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills 459 Comment
  UCR12617  Marsilea vestita K. H. Fisher 1968-5-14 10 Riverside Santa Ana Mountains, Murrieta, cattle reservoir 50 yards from Tenaja Rd & 8 mi from Washington St. 549 Comment
  RSA0013134  Matricaria discoidea LeRoy Gross, Caitlin Elam 2013-5-14 6062 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
  UC1537054  Matricaria discoidea Gordon H. True Jr. 1936-4-15 240 Riverside Mockingbird Canyon 365 Comment
  SEINET10615460  Matricaria globifera Andrew C. Sanders 2001-5-8 Sanders 24210 Riverside Perris-Aguanga region: Moreno Valley, along I-215 just south of the March Field Museum, 0.7 mi. S of Van Buren Blvd. (Riverside east 7.5' Q, T3S R4W S26, SE/4). Weedy roadside on disturbed plains. 465 Comment
  RSA660553  Matricaria matricarioides Lydia Paneri 1982-4-17 12 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  UCR280600  Matricaria occidentalis R. E. Riefner Jr. 2016-4-24 17- 196 Riverside city of Menifee, Paloma Wash, immediately north of Holland Road and west of Haun Road 445 Comment
  LA206250  Meconella denticulata W. E. Pequegnat; 1939-4-8 14 Riverside Santa Ana Mountains, Coldwater Trail 701 Comment
  RSA445531  Meconella denticulata E. Crow 1929-3-17 201 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  UCR2908  Melia azedarach Nancy Atha 1963-4-21 4-21-63- 4 Riverside Riverside, NW side of Box Springs Mountain, c. 100 ft. above the end of Goodrich Drive 305 Comment
  POM113309  Melica frutescens Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA543166  Melica frutescens Steve Boyd, Timothy S. Ross, M. Hammitt 1991-5-2 6096 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  SEINET2473421 Image available Melica imperfecta Andrew C. Sanders, T. B. Salvato 2011-1 38839 Riverside Peninsular Range; Edge of Gavilan Hills; Meadowbrook area, between Perris and Lake Elsinore, along Hwy 74 at Wasson Canyon Rd. and to c. 1/2 between Wasson & Hammack Ave. 500 Comment
  UCR231734  Melica imperfecta John F. Green 2008-4-23 08- 10 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  UCSB39324  Melica imperfecta Jorgensen, Jan 1982-3-23 Riverside 3 kilometers up road to aerial tramway, Palm Springs 120 Comment
  UCR147707  Melilotus indicus Steve Boyd, Aydee Virgen 2004-4-13 10878 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  UCR120326  Mentha spicata Mitch Provance 1998-7-23 927 Riverside Jurupa Mountains, Sunnyslope area, c. 0.5 mile east of 34th St. and Armstrong Road 274 Comment
  UCR202604  Mentha spicata Scott D. White, Justin M. Wood 2008-7-9 12413 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  JOTR32169  Mentzelia involucrata La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2321 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Large sandy canyon with braided wash that feeds southwest into Wilson Canyon (Stop 7) 902 Comment
  RSA440411  Mentzelia involucrata Geo. Cantwell 1935-4-8 s.n. Riverside McCoy Springs, McCoy Mnts. [NW of Blythe] Comment
  RSA440413  Mentzelia involucrata L. H. Jones 1910-3-18 s.n. Riverside Riverside Mountain, near the Colorado River. Comment
  RSA69582  Mentzelia involucrata F. W. Peirson 1922-4-9 753 Riverside Palm Canyon stream near Alkali Canyon, Riverside County Comment
  SBBG99187  Mentzelia involucrata W. L. Halvorson 1977-2-5 77 -11 Riverside bajada, near jct of I-10 and rd to Joshua Tree Nat Monument Comment
  UC192390  Mentzelia involucrata J. G. Lemmon April 1876 10 Riverside Colorado Desert, Whitewater River Comment
Read comments
Jan 15 2010
  CDA36636  Mentzelia involucrata var. megalantha M. S. Wasbauer 1960-3-26 Riverside Shaver s Summit. 0 Comment
  CDA36639  Mentzelia involucrata var. megalantha G. D. Barbe, T. C. Fuller 1973-2-27 1060 Riverside 0.2 mile east of Coachella Canal on Highway 195, Box Canyon Wash, northeast of Mecca. 0 Comment
  POM126804  Mentzelia involucrata var. megalantha E. E. Schellenger s.n. Riverside Colorado Desert. Santa Marie Mts. [Little or Big Maria Mountains] Comment
  RSA339677  Mentzelia involucrata var. megalantha Robert F. Thorne, C. W. Tilforth 1980-5-28 54215 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
  SEINET10734759  Mentzelia laevicaulis J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12843 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then a few kilometers on Whitewater Canyon Road to where it comes closest to the river. Comment
  RSA546307  Mesembryanthemum nodiflorum D. E. Bramlet, S. D. Boyd, A. C. Sanders, F. Roberts 1992-5-21 2291 Riverside The site is approximately 8 km southwest of Hemet. Found on the margin of vernal pools, which are located northwest of the intersection California Ave. and Stowe Rd., The site is located some 60 m N of Stowe Rd and some 122 m west of California Ave. 456 Comment
  RSA584681  Microseris douglasii subsp. douglasii D. Bramlet 1992-4-29 2244 Riverside San Jacinto Nuevo Y Potrero. This site is located some 823m west of Gilman Springs Road (Highway 79), just northwest of the Quail Ranch golf course. It is approximately 460m south of Bold Style Ave. 436 Comment
  UCR88169  Microseris douglasii subsp. douglasii Karen Kirtland 1992-5-20 s.n. Riverside Perris-Aguanga Basin, San Jacinto River at a planned development called Creekside, east of Dunlap Dr. and north of San Jacinto Ave. 433 Comment
  UCR104920  Microseris lindleyi A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20652 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  UCR107827  Microseris lindleyi D. L. Banks 1997-5-5 2006 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek. Along the S fork of Pechanga Creek 427 Comment
  SDSU10753  Mimulus aurantiacus Stan Mather 1938-5-13 Riverside Lake Elsinore Grade. Comment
  UCR98683  Mimulus aurantiacus S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  JEPS87307  Mimulus aurantiacus var. pubescens David M. Thompson 1992-5-18 1069 Riverside 3.3 mi n Lakeview (at Ramona Expressway) (along Davis Road, 3.8 rd mi s of Hwy 60) 485 Comment
  UCR140565  Mimulus aurantiacus var. pubescens Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 9- 72 Riverside San Jacinto Mtns, San Bernardino National Forest, 12 miles east of Hemet on Hwy 74 near Dry Creek, Site L9 961 Comment
  UCSB10262  Mimulus bigelovii var. bigelovii Sage, Paul 1958-3-22 Riverside on S. side of U.S. 60; 6 mi. E. Desert Center 274 Comment
  UCR117086  Mimulus brevipes A. C. Sanders, T. B. Salvato 2001-5-16 24300 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  CLARK-A1045-335  Mimulus diffusus George K. Helmkamp 1978-5-2 Riverside Bautista Canyon a burned area beside Bautista Road; Hemet 15'Q Comment
  POM229460  Mimulus diffusus P. A. Munz 1937-5-30 15092 Riverside North of Vandeventer Flat, Santa Rosa Mountain 1677 Comment
  CLARK-A1528-4249  Mimulus fremontii Art Whistler 1966-5-8 8 Riverside Lake Fulmor Comment
  RSA442776  Mimulus guttatus E. Crow 1929-4-21 331 Riverside N. of Alberhill Comment
  UCR12595  Mimulus guttatus Bill Schultz 1972-4-30 720430- 7 Riverside Santa Ana River bottom, 200 yards west of where power lines make turn where palm trees are west of dump 2 mi south of Mt. Rubidoux 305 Comment
  UCR99194  Mimulus guttatus M. J. Wangler 1993-4-21 29 Riverside Riverside, small tributary of Sycamore Canyon Wash 1 km east of Sycamore Canyon Wash, and 300 m south of Central Ave. within Sycamore Canyon Co. Park 400 Comment
  RSA0054845  Mimulus guttatus var. nasutus Keith E. Hoffmaster 1933-4-14 528 Riverside Tahquitz canyon. Comment
  PASA127  Mimulus latidens Frank W. Peirson 1922-5-19 Riverside Menifee Valley 426 Comment
  CLARK-A1528-867  Mimulus longiflorus Fred B. Essig 1964-2-24 20 Riverside La Sierra 670 Comment
  CSUSB912  Mimulus longiflorus Steve Kulju 1974-4-27 Riverside Box Springs Mountains Box Springs Mountains; dirt road to the radio tower, 4 miles from Pigeon Pass Road. 761 Comment
  RSA296130  Mimulus pilosus Barry A. Prigge 1980-8-5 3849 Riverside Whitewater Canyon; 0.5 mile N of trout farm. 701 Comment
  UCSC000878  Mimulus pilosus Peter Kamb 1948-7-4 1174 Riverside Hall Canyon, San Jacinto Mts. 1646 Comment
  SEINET10570117  Mimulus pilosus David B. Dunn 1946-8-16 Dunn 2668 Riverside Open, dry trail soil by Jolly Springs. Jolly Springs ravine on trail up Devil's Slide, San Jacinto Mountains. Comment
  POM158453  Minuartia douglasii P. A. Munz 1927-5-21 10876 Riverside 10 miles SW of Coahuila [now Cahuilla] Comment
  RSA561073  Minuartia douglasii Steve Boyd 1993-5-12 7340 Riverside Southern Santa Ana Mountains, Sant Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon. 365 Comment
  RSA0047271  Mirabilis laevis var. crassifolia J. Mark Porter, Lauren E. Machen 1997-2-15 11420 Riverside North of Interstate 15 at the Lake Street/Walker Canyon exit, 4.4 mi NE of the Hwy 74 exit at Lake Elsinore. 390 Comment
  CAS-BOT-BC434882  Mirabilis multiflora var. pubescens Chas. Vandeventer 1898-6-27 956 Riverside Taurus Mt. 1371 Comment
  NY43171  Mirabilis multiflora var. pubescens J. B. Walker 1995-5-4 1413 Riverside San Bernardino National Forest, Hwy 74, 3km E of junction with Santa Rosa Mtn Rd 1400 Comment
  RSA408767  Mohavea confertiflora W. M. Zabriskie 1973-2-16 115 Riverside Upper Pipistrelle Canyon, Deep Canyon drainage. N slope Santa Rosa Mrns. 762 Comment
  UCR226673  Mohavea confertiflora Jim Andre 2011-2-9 15922 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  UCR75084  Mohavea confertiflora A. C. Sanders, E. J. Lawlor 1992-4-4 12147 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA0078218  Mollugo cerviana Sarah J. De Groot, Duncan S. Bell 2015-9-21 7586 Riverside Santa Rosa Mountains south-southwest of Palm Desert. Along Carrizo Road just north of Highway 74. 1053 Comment
  UCD125041  Monardella australis Mitch Provance; Steve Boyd, Lauren Raz 1998-8-13 998 Riverside Desert Slopes of the San Bernardino Mountains: ca 1.5 miles east of Cushenberry Springs. 1402 Comment
  LA96069  Monardella linoides subsp. linoides Elizabeth McClintock; 1941-5-31 40 Riverside 1.5 to 2 mi from turn off to Anza Mounument, on rd to Coyote Canyon Comment
  RSA752882  Monardella linoides subsp. stricta Orlando Mistretta 2009-7-10 3996 Riverside Santa Ana River Canyon. Vicinity of Camp Round Meadow; 0.40 miles SE of junction of highway 38 and Jenks Lake Rd. 2027 Comment
  IRVC2056  Monardella nana R. H. Whittaker, W. A. Niering 1963-6-9 SJ 365 Riverside Elks Road. slope SW 25 degrees. Peninsular Ranges, Santa Rosa Mountains Comment
  LA96098  Monardella nana Elizabeth McClintock; Harlan Lewis 1941-6-29 78 Riverside Santa Rosa Mountain, road up Santa Rosa Mts. 2.3 mi beyond canyon where stream crosses road Comment
  RSA0099993  Monardella nana Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8575 Riverside Santa Rosa Mountains; on a small ridge/summit area just to the south of the summit of Santa Rosa Mountain. 2438 Comment
  UC1499927  Monardella nana E. McClintock, H. Lewis 1941-6-29 77 Riverside Santa Rosa Mt. road, 1 mi beyond canyon where stream crosses road Comment
  IRVC2059  Monardella nana subsp. arida R. H. Whittaker, W. A. Niering 1963-6-9 SJ 353 Riverside Santa Rosa Mountain Road Peninsular Ranges, Santa Rosa Mountains 1875 Comment
  RSA750412  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 59 Riverside Road to Santa Rosa Mt. 0.9 miles above Pines to Palms Highway. Comment
  RSA750291  Monardella nana subsp. tenuiflora Elizabeth McClintock, D. Weiner 1941-7-11 99 Riverside Black Mt. 3/4 mile beyond the snow gate. Comment
  RSA750293  Monardella nana subsp. tenuiflora Elizabeth McClintock, D. Weiner 1941-7-11 101 Riverside Black Mt. 2 miles beyond the snow gate. Comment
  POM14301  Monoptilon bellioides P. A. Munz, D. D. Keck 1922-4-9 4831 Riverside South base of Eagle Mountains 3 miles NE of the 'Hayfields' 213 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
  UCD80947  Monoptilon bellioides Chuck Hughes 2009-3-25 68 Riverside South of Highway 62 near the abandoned Desert Center Airport. Near city of Rice. 265 Comment
  UCR19047  Monoptilon bellioides John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 miles southeast of Desert Center 366 Comment
  UCR30048  Monoptilon bellioides A. C. Sanders 1983-4-24 3799 Riverside Sonoran (Colorado) Desert, alluvial fan at the NW end of Orocopia Mountains along Hwy 195, c. 3 miles NE of Shavers Well and 2.7 miles NE of the point where the road enters Box Canyon 367 Comment
  RSA94166  Monoptilon bellioides F. W. Peirson 1926-1-31 6491 Riverside Dos Palmas [Spring], Colorado Desert. Comment
  POM183877  Muhlenbergia asperifolia P. A. Munz 1932-10-16 12844 Riverside Road from Deep Canyon to Vanderventer Flat, Santa Rosa Mts. 1067 Comment
  SBBG56964  Muhlenbergia asperifolia M. D. Clary 1928-8-11 70 Riverside Carrizo Crk Comment
Read comments
Nov 11 2011
  POM13069  Muhlenbergia filiformis E. C. Jaeger 1921-6-24 s.n. Riverside Long Valley Comment
  JOTR31899  Muhlenbergia microsperma La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2148 Riverside Joshua Tree National Park. West Cottonwood Mountains; rocky bench between deep drainages in large southwest facing canyon feeding into east Pinkham Wash Comment
  LA105321  Muhlenbergia microsperma John C. Roos; 1946-10-26 3144 Riverside Chuckwalla Mountains, near tanks Comment
  RSA0121176  Muhlenbergia microsperma Duncan S. Bell, LeRoy Gross 2016-3-30 9174 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.25 air miles southeast of the summit of Martinez Mountain. 518 Comment
  RSA0123752  Muhlenbergia microsperma Duncan S. Bell, LeRoy Gross 2016-3-10 8871 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 1.75 air miles northwest of the summit area. 938 Comment
  SEINET238467 Image available Muhlenbergia microsperma A. C. Sanders 1998-3-11 21689 Riverside Shipley/Skinner Reserve area: North Domenigoni Hills N side of Diamond Valley along high water road of reservoir unde 549 Comment
  RSA0119961  Muhlenbergia rigens Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9071 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
  RSA561420  Muhlenbergia rigens Steve Boyd, Timothy S. Ross, Dave Bramlet 1992-9-9 7689 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek., Up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  UCR116064  Muilla maritima O. F. Clarke, Jeanine Derby 1974-4-19 s.n. Riverside Lakeview Mountains, c. 2 mi. SSW of Mt. Rudolph, north of Juniper Flat, east of Juniper Flat Rd. and south of Stagecoach Rd., EIR for Tentative Tract 5702 610 Comment
  UCR22040  Muilla maritima Steve Boyd 1980-5-11 240 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  UCR202222  Myosurus minimus subsp. apus Karin Cleary-Rose, G. Nuhn 1995-7-20 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, west edge of Hemet, 19 acre parcel on the Wilhelm Ranch, between Hwy 74 and Whittier Ave, at south end of Hyatt Ave., west of the San Diego Aqueduct 457 Comment
  RSA617800  Myosurus minimus var. filiformis R. E. Riefner 1998-3-22 98 -196 Riverside Glen Ivy Fault, Main Street Comment
  CDA19114  Najas guadalupensis R. W. Schaffer 2001-4-16 PDR 1244191 Riverside Growing in nursery at Shaynes Aquarium and Ponds, 38-995 Rancho Los Coyote, Bermuda Dunes. 0 Comment
  RSA0121058  Nama demissa Duncan S. Bell, Thomas Stoughton 2016-3-16 8944 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central/southeastern section of range, approximately 2.5 air miles north of Gucci Spring. 511 Comment
  CHSC108884  Nama demissa var. demissa Orlando Mistretta; D. Bell, J. England, J. Hall, C. McDonald, L. Reccia 2010-4-13 4986 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
  JOTR32161  Nama demissa var. demissa La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2313 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Gneiss outcrop on edge of large sandy wash in wide canyon that feeds southwest into Wilson Canyon (Stop 6) Comment
  RSA0118609  Nama demissa var. demissa Jim M. Andre 2015-3-6 33570 Riverside Coachella Valley: far NW corner of valley, 0.5 mi west of Hwy 62 (at mouth of Dry Morongo Wash), 0.3 mi. north of Kolbe Rd (dirt). 560 Comment
  POM13913  Nama demissa var. deserti P. A. Munz, D. D. Keck 1922-4-10 4932 Riverside Eagle Mtns. 3 miles northeast of Hay fields. 213 Comment
  RSA653407  Nassella lepida Mitch Provance, J. Ross 1999-4-1 1735 Riverside Jurupa Mountains: Rocky ridges ca. 0.5 km E of peak 1437 in the W portion of the Jurupa Mountains. 411 Comment
  SD87635  Navarretia intertexta Frank W. Peirson 1922-5-19 4141 Riverside Five miles northeast of Murrieta on road to Perris Comment
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Nov 19 2011
  RSA779775  Nemacaulis denudata var. gracilis Duncan S. Bell 2010-4-2 684 Riverside Arica Mountains: west side of the mountain range within the Palen/McCoy Wilderness; approximately 3 air miles northwest of Priest Well; collecting along a steep sandy wall/sand ramp above a desert wash. 477 Comment
  SEINET10464884  Nemacladus glanduliferus var. orientalis Rimo Bacigalupi, Roxana S. Ferris 1958-3-21 Bacigalupi 6252 Riverside Wash issuing from eastern slope of the Big Maria Mts., 0.25 mile above its debouchment into the Colorado River, 11.3 miles north of Blythe 171 Comment
  SEINET10458383  Nemacladus longiflorus Townsend S. Brandegee 1905-5-12 Brandegee s.n. Riverside Wilder's near Riverside Comment
  SBBG35012  Nemacladus longiflorus var. longiflorus T. L. Secrest 1951-5-18 Riverside San Jacinto River bed, few mi E of Hemet Comment
  JEPS22350  Nemacladus orientalis Rimo Bacigalupi with Roxana S. Ferris 1958-3-21 6252 Riverside 11.3 mi n Blythe (e slope of Big Maria Mts, 0.25 above Colorado River); Big Maria Mts., Colorado River 170 Comment
  POM11738  Nemacladus ramosissimus P. A. Munz, I. M. Johnston 1922-5-18 5320 Riverside 3 miles south of Murrieta. Comment
  CAS-BOT-BC416316  Nemacladus tenuis var. tenuis A. C. Sanders; K. C. Rose 1995-4-27 16731 Riverside Sonoran (Colorado) Desert: Coachella Valley, foot of the Little San Bernardino Mtns., canyon E of Fan Hill, just outside Joshua Tree Nat. Park 548 Comment
  CLARK-A1528-548  Nemophila menziesii 1937-6-17 Riverside Box Springs Mountains Comment
  UCR116909  Nemophila menziesii A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23964 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  RSA0105076  Nemophila menziesii var. menziesii Daphne K. Christopher, Hannah Stevens 2003-4-4 97 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 536 Comment
  UCR215511  Nemophila menziesii var. menziesii Daphne K. Christopher, Hannah I. Stevens 2003-4-4 097 Riverside UC Riverside Motte Rimrock Reserve, off Sage Road 536 Comment
  UC303680  Nicotiana attenuata S. B. Parish 1900-1 4435 Riverside Strawberry Valley; San Jacinto Mts. Comment
  UCR21966  Nicotiana glauca Steve Boyd 1980-5-21 295 Riverside Gavilan Hills, Harford Springs County Park, on the NW corner of the Gavilan plateau. Comment
  UCR2978  Nicotiana glauca Wm. Horn Jr. 1963-3-11 630311- 01 Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, University of California campus, 50 yards north of Student Health Center 305 Comment
  JOTR31909  Nicotiana obtusifolia La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2156 Riverside Joshua Tree National Park. West Cottonwood Mountains; side canyon feeding into east Pinkham Wash; steep, cobbley, east facing slope above bouldery canyon Comment
  UC68728  Nicotiana obtusifolia H. M. Hall 1905-4-21 5837 Riverside near Salton; Colorado Desert -30 Comment
  RSA0018751  Nicotiana obtusifolia P. J. Remple 1942-3-2 s.n. Riverside Dead Indian Creek, Santa Rosa Mtns. Comment
  UCR172256  Nicotiana quadrivalvis John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, City of Temecula, Immediately N and south of Murrieta Hot Springs Road along San Diego Aqueduct right-of-way 396 Comment
  UCR232046  Nicotiana quadrivalvis John F. Green 2008-4-15 0408- 09 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  SEINET10546595  Nicotiana trigonophylla Chris Dietrich, Mary Merello; Heidi H. Schmidt 1994-4-12 Dietrich 20 Riverside 9 miles north-northwest of Indio, off Dillon Road 1.9 miles northeast on Berdoo Canyon Road (J241). BLM land. Desert Access Guide Map #17. Along gravelly wash in creosote bush scrub. 380 Comment
  SEINET10389838  Nolina bigelovii A. C. Sanders, Jim Malusa 2015-9-12 41883 Riverside Chocolate Mountains Aerial Gunnery Range, just south of Bradshaw Trail, c. 2.4 km west of the Dupont Rd. junction 749 Comment
  UCR168371  Nolina parryi subsp. wolfii P. H. Raven 1959-5-18 14246 Riverside Peninsular Ranges; San Jacinto Mountains, 0.9 miles south of Mountain Center on road [Hwy 74] to Aguanga 1433 Comment
  SD9402  Notholaena californica subsp. californica C. C. Parry Mar 1876 Riverside San Jacinto Mountain Comment
  CAS-BOT-BC167128  Oenothera californica A. C. Sanders; D. Malueg 2003-5-8 26562 Riverside San Jacinto Valley: San Jacinto Riverbottom, north of San Jacinto and SE of State St. 465 Comment
  JOTR29248  Oenothera californica subsp. californica La Doux, Tasha 2005-8-17 1528 Riverside Joshua Tree National Park. Queen Valley, at intersection of Park Blvd. and O'Dell Rd. 1338 Comment
  RSA115923  Oenothera californica subsp. californica Richard Snow 1957-4-1 318 Riverside Sandy field 11 miles west of Riversode on Hwy 60. Comment
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Mar 23 2014
  RSA338178  Oenothera californica subsp. californica Robert F. Thorne, R. Dahlgren, Gertrud Dahlgren 1979-8-22 53586 Riverside Joshua Tree National Monument; Vicinity of Ryan Campground to base of Ryan Mountain. 1319 Comment
  SEINET12193405  Oenothera deltoides W. L. Wagner, Mill, S. W. 1982-1 4558 Riverside 8.2 mi NW of I-10 at Desert Center along Hwy 177 Comment
  UC68520  Oenothera deltoides subsp. deltoides H. M. Hall Apr. 1905 5926 Riverside MyCoy Wash Colorado Desert 91 Comment
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Sep 5 2011
  SEINET3150331  Oenothera dentata M. E. Jones 1882-4-24 3168 Riverside San Jacinto Comment
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Jun 24 2020
  SEINET10492365  Oenothera dentata var. parishii David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3704 Riverside Yellow. Found growing in a wash. Indio hills. Near pushawalla. Comment
  RSA652333  Oenothera elata subsp. hirsutissima T. Sargent 1959-5-22 s.n. Riverside S. of Temecula (Hghy. 395.) ? Comment
  JOTR35317  Oenothera primiveris subsp. bufonis Kain, Katie, C. Veety 2012-2-29 s.n. Riverside Joshua Tree National Park. Pinto Wash; eastern Eagle Mountains, large wash south of dunes and north of basalt outcrops 320 Comment
  RSA776298  Oligomeris linifolia Duncan S. Bell, Amanda Turek 2010-4-10 826 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine and Calzona Mine; approximately 3.8 air miles west of the Colorado River; approximately 2 air miles northeast of Riverside Mountain Peak. 198 Comment
  UCR41587  Oligomeris linifolia A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6114 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 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
  CAS-BOT-BC58051  Opuntia basilaris var. basilaris Anne Harrison 1962-4-17 28 Riverside Field redacted by CAS, contact the data manager for more information Comment
  POM274045  Opuntia basilaris var. basilaris Lyman Benson 1933-3-31 4153 Riverside US 66 [actually US 60], 10 mi E of Banning. 457 Comment
  RSA748225  Opuntia basilaris var. basilaris T. Scott, A. Townesmith, K. M. Meyer 2007-3-9 116 Riverside Cleveland National Forest. 0.8 mile down Woodridge Rd. in town of Oak Grove, at Oak Grove trailhead. 855 Comment
  POM246483  Opuntia ramosissima C. B. Wolf 1932-10-12 4290 Riverside Colorado Desert. 4.5 miles from 29 Palms on road to Mecca. Comment
  RSA554004  Opuntia vaseyi B. D. Parfitt, Rita Anthony, Andy Sanders 1986-4-19 3498 Riverside SSE of Lake Elsinore on the Mesa de Colorado, opposite side of road from large vernal pool protected by the Nature Conservency. 549 Comment
  UC68719  Orobanche cooperi H. M. Hall 1905-5-1 5991 Riverside Colorado Desert near Indio; Colorado Desert 30 Comment
  UCR241503  Orobanche cooperi A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40632 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  UCR101466  Orobanche fasciculata A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22237 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of lower Millard Canyon 854 Comment
  UCR80799  Orobanche fasciculata Scott D. White 1993-5-29 1444 Riverside San Bernardino Mtns, Banning Canyon, along the road to Raywood Flat, Yucaipa Ridge 1402 Comment
  RSA0081032  Orobanche fasciculata Steve Boyd, C. Boyd, K. Boyd, R. Noyes, L. Arnseth 1988-5-28 2286 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. 1500 Comment
  RSA28063  Orthocarpus purpurascens I. L. Wiggins 1941-3-27 9703 Riverside 4 mi. north of Whitewater. Comment
  RSA648279  Orthocarpus purpurascens var. purpurascens Margaret Murphy 1983-4-15 0014 -A Riverside located in the north section of [parcel] 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  HSC85294  Osmadenia tenella Steve Boyd 1986-5-7 1837 Riverside Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, S of I-15 Comment
  SEINET4208826  Osmadenia tenella Steve Boyd, Tim Ross 1992-6-10 7626 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about 'Potrero Escondido', an isolated area of low relief topping the ridge system due west of the junction of Tenaja Road (7S01) and Los Alamos Road (&S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek.; 0 671 Comment
  UC123746  Oxytheca emarginata F. M. Reed 1908-7-14 2447 Riverside ridge s Tahquitz; San Jacinto Mountains 2438 Comment
  RSA653547  Oxytheca trilobata Scott D. White 1999-5-24 7381 (2 repl. total) 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
  UCR147565  Oxytheca trilobata Rashmi Pant, D. L. Banks 1996-5-1 1013 Riverside Peninsular Ranges: Perris-Aguanga Basin region, Cleveland National Forest: Along the Cutca Trail, east of the Cutca Valley, c. 0.5 miles west of the Aguanga Trail Junction Comment
  UCR131802  Paeonia californica Mrs. D. R. Wolf 1932-3-20 19 Riverside Santa Rosa Plateau, Richman Ranch, 2.5 miles north of DeLuz, SW Riverside County 457 Comment
  CAS-BOT-BC327922  Palafoxia arida G. B. Grant no date on sheet s.n. Riverside Colorado Desert Comment
  UCR136896  Palafoxia arida Michael D. Wilcox 2003-6-26 s.n. Riverside Sonoran (Colorado) Desert, Thousand Palms Oasis 152 Comment
  POM363742  Palafoxia arida var. arida L. H. Jones 1910-3-17 s.n. Riverside Riverside Mountain, Colorado River Comment
  RSA314487  Palafoxia arida var. arida R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55360 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  SD260188  Palafoxia arida var. arida A. C. Sanders, Jim Malusa 2016-3-18 42382 Riverside Sonoran (Colorado) Desert: Chocolate Mountains, along gasline road 21.5 km due norht of Slab City / Camp Dunlap. Rocky canyon with wide sandy wash. 537 Comment
  UCR277798  Palafoxia arida var. arida A. C. Sanders, Jim Malusa 2017-1-15 42666 Riverside Sonoran (Colorado) Desert, Orocopia Mountains, wash below Canyon Spring in side canyon off Salt Creek, c. 1.5 miles below Red Canyon confluence 345 Comment
  SBBG103859  Panicum capillare M. A. Patten 1992-5-7 92 -29 Riverside Santa Rosa Plateau along Via Vaquero at Via Oesta, ca. 5 mi km W of Temecula Comment
  RSA724047  Panicum dichotomiflorum subsp. dichotomiflorum R. E. Riefner 2004-9-18 4 -435 Riverside City of Corona, E of Santa Ana Canyon along Santa Ana River, ca. 0.5 mi S of 71 Freeway. 135 Comment
  UCSB45960  Panicum hirticaule Roos, John 1965-9-5 Riverside 18 miles W. of Blythe Comment
  CAS-BOT-BC274190  Pappostipa speciosa H. M. Hall 1899-5-1 1177 a Riverside San Jacinto Mountains. El Toro Mt. Comment
  POM2130  Parietaria hespera I. M. Johnston 1917-4-4 991 Riverside Palm Canyon. 457 Comment
  SEINET2060863 Image available Parkinsonia florida John N. Bullock 1948-4-27 P- 19 Riverside 100 m SE of Californnia Hwy 195, 8.9 meters E of the All American Canal, Mortmar 7 1/2' Quad. 292 Comment
  UCR25860  Parkinsonia florida John C. Roos 1937-4-28 794 Riverside Sonoran (Colorado) Desert, Desert Center 274 Comment
  RSA500158  Paspalum distichum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3643 Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Hwy 79. 488 Comment
  UCR109746  Paspalum distichum R. E. Orth 1963-8-1 s.n. Riverside Peninsular Range, Temecula Area, Vail Lake 457 Comment
  UCR93239  Paspalum distichum Scott D. White 1995-7-7 3454 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  SEINET3828350  Pectis papposa Amber Swanson, Linda Jean Foster 2011-1 643 Riverside Washes in the Little Santa Maria Wilderness W of Midland/Blythe-Rice Rd. 272 Comment
  UCR128940  Pectis papposa Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Sonoran (Colorado) Desert, Canyon Spring, Orocopia Mtns. 372 Comment
  UCR100330  Pectis papposa var. papposa George K. Helmkamp 1997-11-1 2515 Riverside Sonoran (Colorado) Desert, Bermuda Dunes, 41st St and Sparky (just east of Washington and south of I-10) 30 Comment
  UC100891  Pectocarya heterocarpa H. M. Hall 1905-4-27 5921 Riverside Bottomland near Colorado River; Colorado Desert Comment
  UCR108729  Pectocarya heterocarpa Scott D. White, Sandy Leatherman 1998-4-15 6293 Riverside Sonoran (Colorado) Desert, La Quinta/Palm Desert Area: Near Miles Ave. crossing over Whitewater River Channel. Degraded dunes north of Miles Ave. & west of Washington St., Coachella Valley 43 Comment
  UCR41583  Pectocarya heterocarpa A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6124 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  RSA683869  Pectocarya linearis Scott D. White, Michael Honer 2003-4-4 8957 Riverside Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  RSA525459  Pectocarya penicillata Steve Boyd 1990-4-29 4505 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  UCR804  Pectocarya penicillata J. E. Dimitman 1957-4-1 s.n. Riverside at the top of Pigeon Pass Comment
  CAS-BOT-BC169710  Pectocarya peninsularis John Thomas Howell 1928-1-28 3282 Riverside Thousand Palms, Colorado Desert Comment
  UCR148472  Pectocarya peninsularis S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 20 Comment
  CLARK-A1045-298  Pectocarya recurvata George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep canyon; ; Palm Desert 15'Q Comment
  JOTR38689  Pectocarya recurvata Hodges, Stephen R. 2017-2-7 705 Riverside Joshua Tree National Park. Little San Bernardino Mountains, West Deception Canyon, near the mouth of the canyon just north of the park boundary Comment
  UCR256761  Pectocarya recurvata T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7887 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
  JOTR33959  Pectocarya setosa La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2845 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; sandy wash and gravelly benches with bouldery granitic outcrops Comment
  RSA757638  Pectocarya setosa LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4316 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
  UCSB7188  Pediomelum californicum Haller, Norman 1953-5-23 Riverside Hemet Reservoir, Hwy 174, 4 miles SE of Idyllwild turnoff, San Jacinto Mtns 1371 Comment
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Jun 2 2013
  CAS-BOT-BC71397  Pellaea mucronata Nancy Ryan Zabriskie; Walter Zabriskie 1971-4-9 362 Riverside Deep Canyon, south of Hwy. 74, c. 2 miles up water service road, north slope Santa Rosa Mountains 1310 Comment
  IRVC3146  Pellaea mucronata Charley Ford 1965-4-20 HS 590 Riverside Ortega Highway [74]. Santa Ana Mountains Comment
  POM858  Pellaea mucronata var. mucronata P. A. Munz 1918-4-27 2123 Riverside Temecula Canyon, beyond Elsinore Comment
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Mar 27 2011
  UCR243511  Pellaea mucronata var. mucronata Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21084 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, up side canyon approx. 400 m. west of main canyon drainage 1172 Comment
  RSA598047  Pennisetum clandestinum N. M. Fellows 1982-5-7 s.n. Riverside UCR Campus Comment
  RSA502508  Penstemon centranthifolius Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3558 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  RSA601102  Penstemon centranthifolius A. C. Sanders, J. Goetzen 1996-5-1 18137 Riverside San Bernardino Mtns.: Morongo Indian Reservation, along dirt road in Hathaway Crk., N of Banning. [UTM 10 km cell: NH-1E, 5N. Banning.] 792 Comment
  SEINET10964571  Penstemon centranthifolius David B. Dunn, Melvin L. Conrad; Patricia L. Kenney 1973-6-15 Dunn 20770 Riverside Collected at the jct of hwy 74 and 71. A gas station on the sw corner area Generally chapparal with shaggy adenostema. Comment
  UC195280  Penstemon clevelandii var. connatus S. B. and W. F. Parish Apr, 1882 1216 Riverside Mts. at Agua Caliente [Agua Caliente=Palm Springs, (now) Riverside Co., [hence probably near Vandeventers Ranch above that town.]?DDK J. Ewan 1935] Mts. at Agua Caliente Comment
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Nov 6 2006
  JOTR31066  Penstemon eatonii var. eatonii La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2048 Riverside Joshua Tree National Park. Little San Bernardino Mountains; STOP 5: side canyon above Smith Water Canyon on west side of Quail Mountain region Comment
  NY650487  Penstemon rostriflorus G. D. Wallace 1966-7-3 633 Riverside East end of the San Jacinto Mountains up Thomas Mountain Road Comment
  UC1971232  Penstemon rostriflorus Scott D. White 1998-7-31 6929 Riverside IDYLLWILD AREA: Strawberry Creek between crossing at Circle Dr. and Humber Park. USGS 7.5' San Jacinto Peak quad. Comment
  RSA583741  Penstemon spectabilis var. spectabilis Steve D. Boyd 1995-4-24 8490 Riverside Palomar Range, Agua Tibia Wilderness Area, northeastern base of Wildhorse Peak, west of Devil's Hole, along the Wildhorse Trail near the rounded gabbro peak known as ''Agua''. 762 Comment
  SD9358  Pentagramma glanduloviscida Daniel Cleveland 1878-1 Riverside Temecula Comment
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Mar 27 2011
  HSC99163  Peritoma arborea Paul J. CaraDonna 2009-3-15 123 Riverside Cotton Wood Creek Campground area, Joshua Tree National Park. Comment
  JOTR36474  Perityle emoryi La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3442 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; at top of large cobbley wash, near Russi Rocks guzzler (Stop 4) 538 Comment
  POM6181  Perityle emoryi I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon, near Palm Springs. Comment
  RSA239816  Perityle emoryi C. W. Tilforth 1973-4-29 775 Riverside 2 miles S of Bridge at base of Seven Level Hill, S of Palm Desert, Hwy 74 457 Comment
  UCR279346  Perityle emoryi A. C. Sanders, Jim Malusa 2017-3-23 42933 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 2.3 miles east of Iris Pass 787 Comment
  UCSB12881  Perityle emoryi Breedlove, Dennis 1962-3-11 Riverside 3 miles southwest of Palm Desert 426 Comment
  SD225080  Persicaria lapathifolia Scott D. White, Steve Ogg 1994-10-17 2481 Riverside City of Temecula, Murrieta Ck. Channel 1000ft N of bridge at Rancho Calif. Ave. 299 Comment
  SD122868  Persicaria punctata Steve Boyd 1985-7-23 1014 Riverside De Luz Rd., 8 mi west of Rancho California, wet sand in Sandia Creek 305 Comment
  RSA20300  Petalonyx thurberi Roxana S. Ferris, Ruth P. Rossbach 1938-5-16 9568 Riverside Mecca Hills 2 miles up Painted Canyon. Comment
  RSA652291  Petalonyx thurberi Harold Lint 1952-2-25 s.n. Riverside Base of Palms to Pines Hwy. Comment
  RSA652293  Petalonyx thurberi subsp. thurberi Toppenberg 1961-5-5 s.n. Riverside Hwy 74 Palms to Pines, near Palm Desert. Comment
  UCR23256  Petunia parviflora John C. Roos 1952-5-28 5728 Riverside Perris-Aguanga Basin region, San Jacinto River bottomland 1 mile southeast of Perris 427 Comment
  CAS-BOT-BC326732  Peucephyllum schottii John H. Thomas 1957-3-30 6537 Riverside 0.8 miles east of Cactus City about 13 miles east of Coachella near U.S. Highways 60 and 70, Colorado Desert 518 Comment
  RSA0094189  Peucephyllum schottii Duncan S. Bell, Evan Meyer 2014-10-29 7684 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon, to the north of Martinez Canyon, about 6 air miles southeast of the summit of Martinez Mountain. 394 Comment
  RSA747718  Peucephyllum schottii Justin M. Wood 2009-3-26 399 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
  RSA790632  Peucephyllum schottii Aaron C. Sedgwick, David Fraker 2012-4-24 11 Riverside In the Palen Valley south of Power Line Rd. that parallels Hwy. 10 159 Comment
  UCR60642  Peucephyllum schottii C. B. Wolf 1932-4-26 02980 Riverside Sonoran (Colorado) Desert, 8 mi east of Mecca, on Blythe Road 183 Comment
  RSA783082  Phacelia J. D. Olmsted 1959-7-1 701 Riverside Drainage area to Tahquitz Creek. Wellman s Cienega along trail to top of San Jacinto Peak NE of Idyllwild. 2805 Comment
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Oct 18 2012
  RSA600  Phacelia brachyloba J. T. Howell 1927-8-2 561 Riverside Near Strawberry Valley, Mt. San Jacinto. 1677 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
  RSA550021  Phacelia campanularia Walter Wisura, A. King, L. Newcomb 1992-4-10 4676 Riverside Gorgonio Pass: Stubbe Canyon N of W-Palm Springs. Comment
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Dec 25 2013
  UCR132862  Phacelia campanularia Kent Beaman 1983-4-2 01 Riverside Sonoran (Colorado) Desert, Coachella Valley, west side of Hwy 62 toward Morongo Valley, just north of Indian Ave. 549 Comment
  RSA0120323  Phacelia campanularia subsp. campanularia Duncan S. Bell 2016-3-13 8923 Riverside Whitewater Canyon; in the vicinity of Painted Hill, approximately 2.5 air miles southeast of the Ranger Station (trout pond). 613 Comment
  UCR121091  Phacelia cicutaria var. hispida A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24977 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR174964  Phacelia cicutaria var. hispida Teresa Nieto 2005-4-24 23 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  UCD120334  Phacelia ciliata D. Bramlet 1993-4-13 2324 Riverside Approximately 61 m. south of the existing Lake Mathews access road, some 549 m. north of Cajalco Road, in the 'Cajalco bend' area. Comment
  UCR103479  Phacelia ciliata D. E. Bramlet 1993-4-3 2309 Riverside South Cajalco Bend, c. 61m south of Cajalco Road, at location 3.2 km east of intersection of Cajalco Road and La Sierra Ave., c. 152m east of intersection with old Monument Peak access road 439 Comment
  UCR121106  Phacelia ciliata A. C. Sanders, Sue Nash, Tom Paulek, et al 2002-4-7 24902 Riverside Perris-Aguanga Basin region, San Jacinto Wildlife Area, west side of Davis Rd., just north of the old San Jacinto River channel (levee), 2.25 mi. north of Lakeview 434 Comment
  UCR37441  Phacelia ciliata Steve Boyd 1981-4-15 s.n. Riverside Gavilan Hills area, south of Lake Matthews Comment
  POM306723  Phacelia crenulata Henry J. Ramsey, Henry J. Ramsey 1938-4-26 1719 Riverside Near Desert Center-Indio. Comment
  SJSU11240  Phacelia crenulata var. ambigua T. N. Seeno 1963-4-12 279 Riverside Sky Valley 10 mi N of Palm Springs 426 Comment
  UCR30056  Phacelia cryptantha A. C. Sanders 1983-4-9 3719 Riverside Little San Bernardino Mountains, Morongo Wash, c. 2 mi south of San Bernardino County Line, just east of Hwy. 62, at the foot of the Little San Bernardino Mountains, and 12 mi NNW of Palm Springs 549 Comment
  CLARK-A1528-558  Phacelia distans C. M. Flanagan 1973-4-14 OO 104 Riverside Sunnymead 579 Comment
  RSA0124117  Phacelia distans Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8743 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting on the Martinez Slide to the north of Toro Canyon, approximately 5.25 air miles east northeast of the summit of Martinez Mountain. 123 Comment
  RSA339326  Phacelia distans Robert F. Thorne, W. A. Tilforth 1980-5-28 54201 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
  RSA426224  Phacelia distans Christopher Davidson 1973-4-19 1998 Riverside Joshua tree Natl. Monument, various sites along the road, 1-10 miles s of Joshua tree. 1220 Comment
  UCR107788  Phacelia distans D. L. Banks 1997-5-5 1957 Riverside NW Palomar Mountains, Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, c. 60 m east of its intersection with Pechanga Creek 396 Comment
  POM9586  Phacelia distans I. M. Johnston 1920-5-8 s.n. Riverside Near Wineville [RR Station] in sand by road. [Wineville = Mira Loma] Comment
  SEINET5760623  Phacelia fremontii N. H. Holmgren, P. K. Holmgren 1974-4-2 7575 Riverside Pinto Mountains, Joshua Tree National Monument, Hidden Valley Campground, 13.9 miles southeast of Joshua Tree (10 airline miles south-southwest of Twentynine Palms). 1311 Comment
  RSA773591  Phacelia imbricata Duncan S. Bell, Joy England 2010-6-14 1303 Riverside San Bernardino National Forest: Garner Valley, just west of Highway 74 approximately 2.5 miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1367 Comment
  RSA271891  Phacelia minor C. W. Tilforth 1978-4-30 1563 Riverside Low, rounded hills east of Norco. Comment
  RSA69365  Phacelia minor G. R. Campbell 1951-5-30 16138 Riverside 9 miles west of Anza. 1067 Comment
  RSA736702  Phacelia minor Scott D. White 2004-4-26 10247 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. 518 Comment
  UCR225716  Phacelia minor A. C. Sanders 2011-3-30 38911 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
  UCR250876  Phacelia minor S. J. Myers, Jennifer Tobin, Michelle Tobin 2013-3-13 1041 Riverside Lakeview Mountains, along powerline access road NE of Juniper Flats Rd. 649 Comment
  UC1719473  Phacelia parryi D. Atwood 1993-3-26 17672 Riverside 3 mi N of I-10 along Hwy 62 toMorongo Valley Comment
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Dec 18 2016
  SEINET7063446  Phacelia suaveolens A. G. Vestal 1947-3-30 s.n. Riverside Intersection 5 miles south of Winchester on the Winchester Road (Route 79) at French Valley. UTM Zone 11, 492195mE, 3722513mN. (WGS84/NAD83). 460 Comment
  SBBG37504  Phacelia tanacetifolia R. N. Muller 1967-5-4 Riverside 2 mi W of St Hwy 62 on Mission Crk Rd, 4.7 mi N of jct between US Hwy 60 and St Hwy 62 579 Comment
  UCSB5434  Phacelia tanacetifolia Krogen, Roger 1957-1 Riverside 4 mi. S of junction of Hwy. 60-70 at N edge of Orocopia Mts. Comment
  UCR117390  Phalaris lemmonii A. C. Sanders, T. B. Salvato 2001-5-25 24391 Riverside San Jacinto Valley, west edge of Hemet, north side of Hwy 74 (Florida Ave.) at Warren Rd. 457 Comment
  UCR82279  Phalaris minor J. M. Stewart 1994-5-2 849 Riverside Sonoran (Colorado) Desert, Thermal. Fillmore St and Avenue 64 Comment
  CAS-BOT-BC128869  Philadelphus microphyllus Edmund C. Jaeger 1922-8-16 s.n. Riverside Ridges on rim of San Jacinto Mts. above Chino Canyon [Canon] - San Jacinto Mts. 2590 Comment
  RSA0057660  Philadelphus microphyllus var. stramineus E. C. Jaeger 1922-8-20 1015 Riverside Long Valley to Palm Springs Trail. 2439 Comment
  PASA1946  Philibertia hirtella 1928-3-3 Riverside Hidden Springs Col. Desert Comment
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Aug 27 2016
  UC39466  Phleum alpinum H. M. Hall June, 1901 2351 Riverside Tauquitz Valley; San Jacinto Mountains, Tauquitz Valley 2438 Comment
  POM14423  Phleum pratense P. A. Munz 1922-7-4 5967 Riverside Hemet Valley, San Jacinto Mountains. 1372 Comment
  SEINET8000821  Pholistoma membranaceum Ana Lilia Reina G. 2003-3-30 2003 -324 Riverside Palm Canyon, Agua Caliente Indian Reservation, edge of Palm Spring NWbase of San Jacinto Mountains 274 Comment
  LA209835  Phoradendron californicum F. M. Scott; April 1928 sn Riverside Thousand Palms Comment
  POM2149  Phoradendron californicum I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon 229 Comment
  UCR196346  Phoradendron californicum Naomi Fraga, Lisa Rojas 2005-2-10 1413 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 502 Comment
  JOTR34013  Physalis crassifolia La Doux, Tasha, M. Harding 2010-4-7 2900 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  RSA0031611  Physalis crassifolia Jim Andre 2013-3-27 24816 Riverside Riverside Mountains; east side of Riverside Mountains, along Hwy 95, 13.2 mi. south of Vidal Jct. 126 Comment
  RSA15522  Physalis crassifolia L. S. Rose 1936-1-1 36001 Riverside 19 mi. N of Indio, Aqueduct Rd. 610 Comment
  SBBG99847  Physalis crassifolia W. L. Halvorson 1977-3-25 77 -198 Riverside N of Mecca, N of Salton Sea Comment
  UCR102928  Physalis crassifolia George K. Helmkamp, E. A. Helmkamp 1998-2-5 2670 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  UCR280996  Physalis crassifolia Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-13 417- 54 Riverside Peninsular Ranges, Wildomar, Sedco Hills, along transmission road between Lost Rd. and Lake View Rd. 564 Comment
  SEINET10964652  Physalis crassifolia David B. Dunn 1946-2-22 Dunn 1955 Riverside Collected in mud flats dry caked and split. All american canal catch basin from Desert washes. Oracopia mts. Ne of the saltan sea. Very arid country. Comment
  RSA423910  Physalis crassifolia var. crassifolia Christopher Davidson 1980-4-4 7676 Riverside Orocopia Mts. Lower end of Box Canyon on Box Canyon Rd.; 4.4 mi. E of Mecca. 213 Comment
  RSA725800  Physalis greenei Mitch Provance 2004-4-18 7601 Riverside Granitic Knools of Riverside: Riverside, Versity Hill (Coyote Hill), S side of the UCR campus. 418 Comment
  CAS-BOT-BC538095  Phytolacca americana R. E. Riefner, Jr. 2016-10-8 16 -398 Riverside City of Lake Elsinore, SR 74 between Flannery St. and LIncoln St. 403 Comment
  UCD98404  Phytolacca americana var. americana Don Domenigoni 1986-4-21 s.n. Riverside At the Young property, Hemet. Comment
  POM12205  Pilularia americana P. A. Munz 1922-4-29 5087 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  RSA357171  Pilularia americana R. F. Thorne, Earl Lathrop 1975-5-25 45545 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 609 Comment
  NY61441  Pinus flexilis J. A. Ewan 1930-9-1 2171 Riverside This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
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Jul 5 2010
  RSA595732B  Pinus flexilis L. C. Wheeler 1945-10-6 6148 Riverside San Jacinto Mountains. North fork San Jacinto River, Fuller Mill Creek. 1829 Comment
  CLARK-A1656-882  Pinus monophylla Jim Cornett 1977-7-14 Riverside San Jacinto Mountains 1341 Comment
  CAS-BOT-BC79096  Pinus quadrifolia H. M. Hall 1901-6-1 2139 Riverside Santa Rosa Mountains, Coyote Canyon 1524 Comment
  UC64437  Pinus quadrifolia H. M. Hall 1899-5-27 Riverside Nigger Jim Hill San Jacinto Mountains Comment
  CLARK-A1528-36  Pityrogramma triangularis E. Kozloff 1939-9-12 Riverside Riverside Comment
  UCR97024  Pityrogramma triangularis var. triangularis Scott D. White 1997-2-28 4712 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  IRVC26248  Plagiobothrys canescens A. C. Sanders, D. Malueg 2003-5-8 26559 Riverside San Jacinto Riverbottom, north of San Jacinto and SE of State St. San Jacinto Valley 465 Comment
  RSA593882  Plagiobothrys canescens Steve Boyd, Dave Bramlet 1996-4-19 8618 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  UCR107398  Plagiobothrys canescens B. G. Pitzer 1997-3-23 2981 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  UCR172214  Plagiobothrys canescens John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County; along San Diego Aqueduct right of way between Benton Road and the obvious drainage to the south 412 Comment
  UCR226084  Plagiobothrys canescens A. C. Sanders, T. B. Salvato 2011-4-1 38953 Riverside Peninsular Range, Lake Elsinore, old house site on hill top along Baker St. below large water tank on hill, 0.83 km NW of Hwy 74, 0.5 km SW of Elsinore Outlet Mall/Collier Ave., above Temescal wash 403 Comment
  POM13769  Plagiobothrys collinus var. californicus P. A. Munz 1922-4-29 5089 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  SEINET10805514  Plagiobothrys collinus var. fulvescens Mitch C. Provance 2003-4-26 Provance 9895 Riverside Santa Ana River Vlley: 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
  RSA0013027  Plagiobothrys collinus var. ursinus LeRoy Gross, Caitlin Elam 2013-5-14 6046 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
  POM71445  Plagiobothrys jonesii Marcus E. Jones 1906-4-26 7337 Riverside Indio Comment
  RSA659623  Plagiobothrys leptocladus J. C. Roos 1952-4-23 5572 Riverside 1 miles southeast of Perris. 427 Comment
  UCR171911  Plagiobothrys nothofulvus John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula; Long Canyon, Southern California Edison right of way, intersection of Southern Cross Road and Agena Street W to Candida Drive 366 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
  RSA192205  Plagiobothrys undulatus E. W. Lathrop 1966-4-24 6202 Riverside 4 miles W of Murrieta Comment
  RSA386943  Plantago bigelovii subsp. californica K. Tomlinson, D. Kama, R. F. Thorne 1985-3-27 903 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  CHSC103794  Plantago erecta Scott D. White 2003-3-21 8814 Riverside Santa Ana Mountain Foothills: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Jan Creek. 152 Comment
  CLARK-A1528-3434  Plantago erecta John C. Roos 1937-3-5 1300 Riverside La Sierra Comment
  SEINET12284339  Plantago insularis J. F. Bright, Wyman, C. 1933-1 8059 Riverside near Palm Springs Comment
  RSA381087  Plantago major Robert F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61174 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  UCR201605  Plantago major Justin M. Wood 2008-11-17 226 Riverside Southwest Perris Basin, Temecula - Murrieta Creek, downstream of 1st Street bridge 305 Comment
  RSA0021552  Plantago ovata Duncan S. Bell 2012-3-4 3136 Riverside Arica Mountains; along old railway line about 4.5 air miles south of the ghost town of Rice. 217 Comment
  UC710903  Plantago ovata C. L. Hitchcock 1940-4-4 5952 Riverside Pinto Basin Comment
  RSA718773  Plantago ovata Michael Honer, L. Hulse 2004-4-4 1928 Riverside SW base of Cottonwood Mtns., near MWD aqueduct, appx. .75 mi. N of I-10. E edge of Pinkham Wash. 488 Comment
  RSA68986  Plantago ovata var. fastigiata F. W. Peirson 1930-3-29 8693 Riverside Painted canyon, near Mecca. Comment
  RSA68989  Plantago ovata var. fastigiata F. W. Peirson 1914-04 s.n. Riverside Whitewater at head of Coachella Valley. Comment
  RSA720467  Plantago patagonica Naomi Fraga, Tim Thibault 2006-5-16 1673 Riverside ca. 2.5 miles up Morris Ranch Road near its intersection with a locked FS road west of Goff Flat. 1585 Comment
  RSA736125  Plantago patagonica Scott D. White 2008-4-28 11915 Riverside San Gorgonio Pass: Banning, S of I-10 freeway and just N of San Jacinto Mountains toeslope. E of Sunset Ave. 671 Comment
  RSA615388  Platystemon californicus A. C. Sanders, G. K. Helmkamp 1997-3-15 s.n. Riverside Lake Skinner area, NE shore of Skinner Lake, SE foot of Bachelor Mtn, NE slopes of a small hill. 473 Comment
  RSA66240  Platystemon californicus F. W. Peirson 1922-4-28 5325 Riverside Temescal Canyon, SW Riverside Co. 274 Comment
  SBBG101726  Platystemon californicus S. Boyd with T. Ross, M. Hammitt 1991-5-2 6071 Riverside SW and W flanks of Billy Goat Mtn, 3 mi N of Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  UC50136  Platystemon californicus Geo. F. Reinhardt June, 1897 Riverside San Jacinto Mountains Comment
  RSA0021527  Pleuraphis rigida Jim Andre 2013-3-27 24809 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 242 Comment
  RSA515196  Pleuraphis rigida Steve Boyd, O. Mistretta 1986-3-13 1464 Riverside West side Palen Mts.: NE of Desert Center. Comment
  RSA69361  Pleuraphis rigida Verne Grant, Alva Grant 1951-4-7 15980 Riverside Colorado Desert, Morongo Valley road [Hwy 62] ca. 1 miles North of Highway 60 670 Comment
  RSA697727  Pleuraphis rigida Wilma Griset 1931-3-29 s.n. Riverside Colorado Desert, Indio. Comment
  RSA775945  Pleuraphis rigida Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 955 Riverside Dune system along Midland Rice Road, South of Arica Mountains. 305 Comment
  JOTR31869  Pleurocoronis pluriseta La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2123 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  RSA0040098  Pleurocoronis pluriseta Duncan S. Bell, Deidre Conocchioli 2014-3-18 6254 Riverside Orocopia Mountains; southern/central section of range; approximately 1.25 air miles northwest of Gucci Spring. 511 Comment
  RSA0117145  Pluchea sericea Mitchell Provance 2012-9-5 912 -12 Riverside Beaumont Plateau: City of Beaumont, lower reaches of Potrero Creek, adjacent to Four Seasons Development, west side of Highland Springs Ave., 1.1 miles south of the I-10 freeway. 762 Comment
  RSA0123109  Pluchea sericea Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9016 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 653 Comment
  UCR207463  Poa annua O. F. Clarke 2004-2-8 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  POM14436  Poa fendleriana P. A. Munz, I. M. Johnston 1922-5-21 5505 Riverside Kenworthy, San Jacinto Mountains 1402 Comment
  UC39596  Poa fendleriana subsp. longiligula W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1913 Riverside near summit Santa Rosa Peak 2590 Comment
  SD232152  Poa pratensis Scott D. White, Justin M. Wood 2008-6-19 12260 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. 1584 Comment
  SEINET3123355 Image available Poa pratensis T. B. Salvato, John F. Green 2004-1 608 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 Comment
  RSA689549  Poa secunda Scott D. White, Michael Honer 2003-4-25 9122 Riverside Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  UCD90448  Poa secunda R. Tofsrud 1949-4-27 s.n. Riverside Hwy 395 between Camp Haan and March Fiels. Comment
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Apr 20 2013
  SJSU11304  Poa secunda subsp. juncifolia S. H. Casey 1981-4-15 1197 Riverside Jumbo Rocks, Joshua Tree National Monument Comment
  UC667275  Polygala acanthoclada Annie M. Alexander and Louise Kellogg 1941-5-18 2195 Riverside 1.5 mi n Cottonwood Spring; Colorado Desert, Eagle Mountains 975 Comment
  UCR88166  Polygonum argyrocoleon A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16075 Riverside Sonoran (Colorado) Desert, Coachella Valley, agricultural area along Ave. 78, 0.4 mi west of Hwy 86 and1.5 mi NW of Oasis, east of Filmore St. -37 Comment
  UCR156302  Polygonum convolvulus T. B. Salvato, Kent Beaman 2005-5-16 855 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
  CLARK-A1528-760  Polygonum lapathifolium Fred B. Essig 1966-9-12 Riverside Riverside Comment
  RSA522722  Polygonum lapathifolium Steve Boyd, Tim S. Ross 1989-8-28 3813 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  RSA588816  Polypogon monspeliensis D. L. Banks, Steve Boyd 1995-10-17 768 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground., Along the broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  IRVC166  Polystichum imbricans subsp. curtum Pat Rolfe 1965-4-24 HS 554 Riverside Lake Elsinore. Southern Coastal Comment
  SEINET10793989  Polystichum imbricans subsp. curtum George Yatskievych, Kay McCrary 1984-7-30 Yatskievych 84 -119a Riverside 0.6 mile S of Fuller Mill Creek Picnic Grounds on state Route 243; granitic side ravine of North Fork of San Jacinto River. T04S R02E S26 NE4. 1676 Comment
  UCR240646  Polystichum munitum Tracy Tennant, Mitch Provance 1998-6-16 MOR- 416 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  POM360771  Populus fremontii Howard Mullins 1931-4-6 s.n. Riverside Coachella Valley. Comment
  UCR121093  Populus fremontii A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24980 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  RSA525440  Porophyllum gracile Steve Boyd, David E. Bramlet 1990-4-29 4485 Riverside Lake Skinner County Park, S flank of Bachelor Mountain Comment
  RSA717463  Porophyllum gracile Scott D. White 2006-4-28 11320 Riverside Elsinore Basin: Wildomar., east of the I-15 Freeway and north of Baxter Rd. South- and west-facing hillsides, minor ephemeral wash, and upper bajadas at bases of hills. 427 Comment
  UCR280994  Porophyllum gracile Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-13 417- 56 Riverside Peninsular Ranges, Wildomar, Sedco Hills, along transmission road between Lost Rd. and Lake View Rd. 564 Comment
  RSA517268  Portulaca oleracea George K. Helmkamp 1989-9-16 s.n. Riverside S of Ripley at 32nd Str. & Rannells Blvd. 75 Comment
  UCR65271  Potamogeton pectinatus Steve Boyd, Orlando Mistretta 1989-7-18 3760 Riverside Peninsular Range, Vail Lake area, along W shore of lake 0.5 mi south of the dam 427 Comment
  SD232323  Potentilla gracilis var. fastigiata Scott D. White, Justin M. Wood 2008-6-19 12280 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. Mesic meadow and adjacent uplands. 1584 Comment
  SBBG72480  Potentilla rimicola R. Hoffmann 1929-9-6 Riverside near Tahquitz Pk Comment
  UC537210  Potentilla wheeleri M. E. Jones Sep 1933 Riverside San Jacinto Mountains Comment
  JOTR34235  Prenanthella exigua Harding, Mitzi 2010-6-3 37 Riverside Joshua Tree National Park. bajada west of Eagle Mountain, approx. 1 mi NE of Cottonwood Visitor Center, approx. 1/2 mi. east of Rte. 11 975 Comment
  LA47464  Prosopis glandulosa var. torreyana A. M. Johnson; 1933-4-28 4205 Riverside E of Cook's Ranch, 4 mi. N of Indian Wells, and 15 mi. below Palm Springs Comment
  RSA699635  Prosopis juliflora var. glandulosa Keith E. Hoffmaster 1933-4-14 s.n. Riverside Tahquitz Canyon Comment
  SD260298  Prunus dulcis A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-3 42420 Riverside Peninsular Range: UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, c. 0.3 km NW (161a^z) of water tank. 473 Comment
  RSA699170  Prunus ilicifolia J. Russell Bruff 1929-12-27 443 Riverside Mission Canon. Comment
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Nov 9 2011
  CAS-BOT-BC356335  Psathyrotes ramosissima Ynez Whilton Winblad 1937-4-23 s.n. Riverside Box Canyon Comment
  CAS-BOT-BC356346  Psathyrotes ramosissima Roxana S. Ferris 1953-3-10 12603 Riverside Desert, at Thousand Palms, Indio Hills Comment
  CAS-BOT-BC356348  Psathyrotes ramosissima N. Aitkenhead 1977-2-1 2210 Riverside 2 mi & 6 mi W. of T/L and 1000 Palms Canyon Rd. Junction Comment
  RSA263880  Psathyrotes ramosissima C. W. Tilforth 1976-7-20 1212 Riverside Along power line road n.e. of Chiriaco Summit between Indio & Desert Center, Colorado Desert. Comment
  UCR250874  Pseudognaphalium biolettii S. J. Myers, Jennifer Tobin, Michelle Tobin 2013-3-13 1043 Riverside Lakeview Mountains, along powerline access road NE of Juniper Flats Rd. 649 Comment
  UCR280964  Pseudognaphalium leucocephalum Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-6-5 617- 18 Riverside Temescal Valley, Mayhew Wash, S side of Temescal Canyon Rd., 0.3 mi NW of El Hermano Rd./Terramor Dr. 313 Comment
  SD262212  Psilocarphus chilensis Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-5-25 517 54 Riverside Elsinore Trough: Undeveloped area just NNE of Peter Lehr Drive at Diamond Circle, above the E side of the San Jacinto River (Lake Elsinore 7.5'Q) 387 Comment
  SEINET13310599  Psilostrophe cooperi A. C. Sanders 2015-9-11 41868 Riverside Sonoran (Colorado) Desert: Bradshaw Trail at border of Chocolate Mountains Aerial Gunnery Range, 2.25 miles east of GAsline Rd. 646 Comment
  UCR18158  Psoralea californica A. C. Sanders 1978-4-30 00362 Riverside Peninsular Range; Santa Rosa Mtns, Cactus Spring Trail, first large wash east of Horse Thief Creek, probably very near Cactus Spring 1311 Comment
  RSA770790  Psorothamnus arborescens var. simplicifolius Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4531 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  POM127145  Psorothamnus emoryi S. B. Parish 1906-5-10 s.n. Riverside Colorado Desert at Palm Springs Comment
  RSA707352  Psorothamnus emoryi Jonathan Snapp-Cook, Kurt Roblek, Kevin B. Clark, Reas Chavez 2005-6-30 CFW- 07 Riverside Rancho Mirage, eastern Riverside County. 0.5 miles NWW of intersection of Ramon Road and Los Alamos Way. This area is referred to as Big Dune. 91 Comment
  SFV21860  Psorothamnus emoryi J. R. Pucci 2001-5-12 25 Riverside San Jacinto Mountains Chino Canyon. Along abandoned road off north side of Tramway Road, 2 miles west of Highway 111. 425 Comment
  CAS-BOT-BC340870  Psorothamnus schottii Marcus E. Jones 1926-6-8 s.n. Riverside Whitewater Comment
  HSC99951  Psorothamnus schottii J. P. Smith, & J. O. Sawyer 2011-6-9 13182 Riverside Along Hwy. 74. 972 Comment
  RSA788556  Psorothamnus schottii Duncan S. Bell 2012-3-8 3148 Riverside Southern section of the Mecca Hills; north side of the canal, approximately 4.75 air miles southeast of where Box Canyon Road crosses the Coachella Canal. 16 Comment
  UCR161369  Psorothamnus schottii Mark A. Elvin 2005-4-26 4224 Riverside Northern Sonoran (Colorado) Desert, Coachella Valley: N of Agua Caliente Indian Reservation; N of Ramon St; 3km NW of Thousand Palms 183 Comment
  UCSB9704  Psorothamnus schottii Krogen, Roger 1957-1 Riverside Along roadside of Hwy. 195, 10 mi. E of Mecca Comment
  JEPS41654  Psorothamnus spinosus Marjorie Clary Oct 1930 13 Riverside Coral Reef Ranch Coachella Valley -13 Comment
  UC876176  Pterospora andromedea Mary F. Spencer 1923-7-30 2270 Riverside Idyllwild San Jacinto Mt. (Banning Rd) 1524 Comment
  JOTR34219  Pterostegia drymarioides La Doux, Tasha, M. Harding 2010-4-7 3025 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; side canyon leading north, approx. 1 mile north of park boundary Comment
  UCD100932  Pterostegia drymarioides A. C. Sanders; T. B. Salvato, Mitch Provance 2003-4-4 25836 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 365 Comment
  UCR225714  Pterostegia drymarioides A. C. Sanders 2011-3-30 38913 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
  UCR18627  Pulicaria paludosa John C. Roos 1962-10-19 s.n. Riverside Western Colorado Desert/ San Bernardino Mtns., Whitewater 549 Comment
  UCD170871  Quercus Jeremiah George 2012-8-13 s.n. Riverside San Gorgonio Pass/Moreno Badlands, west of Beaumont, just east of junction of 60 Fwy and Jackrabbit Trail, off frontage road dead end. 716 Comment
  UCD170873  Quercus Jeremiah George 2012-8-13 s.n. Riverside San Gorgonio Pass/Moreno Badlands, west of Beaumont, just east of junction of 60 Fwy and Jackrabbit Trail, off frontage road dead end. 716 Comment
  SFV6129  Quercus X munzii J. M. Tucker, D. Q. Cavagnaro 1965-10-2 3886 Riverside Mojave Desert Joshua Tree National Monument. In wash at Live Oak Tank. Comment
  UCSB1039  Quercus agrifolia var. agrifolia Keator, Glenn 1959-05 Riverside foothills of northern Mt. San Jacinto Comment
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Mar 2 2014
  UCR158899  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31552 Riverside San Jacinto Mtns., western edge of Vandeventer Flat along Hwy 74 1433 Comment
  UCR158903  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31554 Riverside San Jacinto Mtns., Poppet Flat below Hwy 74 along Poppet Flat Rd. 1098 Comment
  UCR158909  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31541 Riverside San Jacinto Mtns., Bautista Canyon at confluence with Horse Creek, at entry road to Bautista Conservation Camp on main road 854 Comment
  UCR277497  Quercus berberidifolia Mitch Provance 2012-4-20 412- 35 Riverside San Timoteo Canyon, 0.8 mi south-southeast of the SCE El Casco Substation, on the south side of San Timoteo Canyon Rd./Oak Valley Parkway 671 Comment
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Jul 22 2018
  RSA155  Quercus chrysolepis J. T. Howell 1927-8-2 575 Riverside Road to Hemet, Mt. San Jacinto. 1372 Comment
  JEPS37668  Quercus cornelius-mulleri H. M. Hall May 17 1901-Jun 1 1901 1915 Riverside Van Deventer's Comment
  RSA39262  Quercus cornelius-mulleri P. A. Munz 1946-10-19 11568 Riverside 1 miles east of Anza. 1159 Comment
  UCR103220  Quercus cornelius-mulleri Scott D. White 1996-8-1 4457 Riverside San Jacinto Mtns., Twin Pines area, just north of Twin Pines Road, c. 0.5 air mi. west of Twin Pines Ranch. 1143 Comment
  UCR136373  Quercus cornelius-mulleri Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9009 Riverside Santa Rosa Mountains, along Hwy 74 on the Santa Rosa Mountain Grade, c. 0.5-0.8 mi NE of Black Hill 854 Comment
  IRVC14033  Quercus dumosa L. T. McHarque 1965-8-24 s.n. Riverside Comment
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Jun 23 2013
  RSA511538  Quercus engelmannii Jack Easton 1989-4-18 s.n. Riverside Antelope Valley area N of Murrieta. ca. 1.5 mi NW of intersection of Antelope Road and Hwy I-15 and due N of intersection of Nutmeg and Jackson Streets. 396 Comment
  UC1135590  Quercus engelmannii R. St. John 1931-2-3 181 Riverside Santa Rosa Ranch, at extreme Head of Tenaja Canyon San Luis Rey Quad., Tenaja Canyon 640 Comment
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Nov 27 2011
  UC5842  Quercus engelmannii Samuel B. Parish 1891-11-3 2257 Riverside near Murietta Comment
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Jul 15 2009
  UC667379  Quercus john-tuckeri Annie M. Alexander and Louise Kellogg 1941-4-27 2094 Riverside road s of Twenty-nine Palms; Joshua Tree National Monument 1310 Comment
  RSA645372  Quercus palmeri A. C. Sanders 1995-11-26 17925 Riverside Elder Creek drainage, NE of Tule Pk, between Aguanga & Anza, S of Hwy 371. Elder Crk Rd, 0.3 mi. W of Bonny Lane.[UTM: NH-2E, 0N Durasno Valley.] 1265 Comment
  RSA654175  Quercus palmeri A. C. Sanders, Steve D. Boyd, Mitch Provance, J. Ross 1998-10-25 22287 Riverside San Jacinto Mtns.: Santa Rosa Indian Reservation along Hwy 74, 2.1 mi. E of Hwy 371 junction to Anza, just W of Vandeventer Flat. 1463 Comment
  UCSB34688  Quercus palmeri Nixon, Kevin; Hendon, Emily 1980-5-23 Riverside 11.5 mi east of Moutain Center on Calif. Hwy 74 Comment
  UCR123366  Quercus wislizeni Steve Boyd, D. E. Bramlet 1988-10-8 2868 Riverside San Jacinto Mtns. area, Cahuilla Mountain, SW of Anza at head of Bautista Canyon, along the crest of the mountain 1707 Comment
  CLARK-A1528-2908  Quercus wislizeni var. frutescens John C. Roos 1947-1-4 3196 Riverside Box Springs Mountains 487 Comment
  RSA651188  Rafinesquia Marion P. Harthill 1971-3-19 s.n. Riverside Palm Desert. Comment
  SD232315  Ranunculus aquatilis Scott D. White, Justin M. Wood 2008-7-9 12442 Riverside San Jacinto Mountains: K Flat, from large plnd downstream to meadow. Pond, meadow, creek, and adjacent uplands. 1426 Comment
  RSA0005415  Ranunculus californicus var. austromontanus P. A. Munz 1927-5-21 10892 Riverside Coahuila Valley. 1372 Comment
  RSA0019605  Ranunculus californicus var. californicus Gale Sphon 1955-5-22 s.n. Riverside Hemet Meadow. Comment
  POM246569  Rhamnus crocea B. D. Stark 1933-2-19 4530 Riverside 2.5 mi. East of Nuevo. 762 Comment
  RSA585623  Rhamnus crocea D. L. Banks, S. D. Boyd 1995-3-15 58 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 680 Comment
  UC537055  Rhamnus crocea M. E. Jones 1934-5-10 Riverside Elsinore Comment
  CDA28746  Rhododendron occidentale var. californicum G. F. Hrusa, T. D. Wilfred 1993-6-23 9791 Riverside San Jacinto Mountains; Fuller Mill Creek, immed. upstream from crossing of Idyllwild Panoramic Hwy. 1615 Comment
  CAS-BOT-BC170427  Rhus H. E. Hasse 1903-11-22 s.n. Riverside Cienega in Chio Canyon, San Jacinto Mtn. Comment
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Sep 3 2017
  CAS-BOT-BC170527  Rhus aromatica Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  JOTR32193  Rhus aromatica Harding, Mitzi & Herskovits, Tasya, D. Oquendo 2011-5-5 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; side canyon of Pushawalla Canyon; Steep rocky/gravelly drainage near elevated seep, and steep gravelly hills surrounding it (Stop 4) 1371 Comment
  RSA192296  Rhus ovata E. W. Lathrop 1966-3-2 6044 Riverside 10 miles NW of Murrieta, 1 mile W of Los Alamos Ranch, Cleveland National Forest. Comment
  RSA386390  Rhus ovata N. C. Cooper 1947-4-5 2029 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  UCR121315  Rhus ovata A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25003 Riverside Peninsular Range; San Jacinto Mtns. Region, The Badlands; summit of Mt. Eden, SW of Beaumont 717 Comment
  UCR199693  Rhus ovata Scott D. White, Angelia Carey, Linda Archer 2004-8-5 10684 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Indian Creek and adjacent uplands, from confluence with San Jacinto River to c. 2 miles upstream 610 Comment
  POM11525  Rhus trilobata var. anisophylla P. A. Munz 1922-7-3 5956 Riverside S slope of Santa Rosa Mountains 1524 Comment
  SD229189  Ribes Dick Schwenkmeyer 2012-8-7 779 Riverside Santa Rosa Mountain Cabin, 10 miles southeast of the intersection of Highway 74 and Santa Rosa Mountain road. 2305 Comment
  RSA192334  Ribes indecorum E. W. Lathrop 1960-3-25 4675 Riverside 14 miles west of Murrieta. Comment
  UCR117671  Ribes malvaceum Scott D. White 1997-5-25 5229 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
  RSA221080  Ribes malvaceum var. viridifolium E. W. Lathrop 1966-5-8 6424 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  RSA3114  Ribes malvaceum var. viridifolium Carl B. Wolf 1932-2-11 2643 Riverside Hidden Canyon 5 mi. W. of Corona at base of Santa Ana Mts. 405 Comment
  SD152829  Ribes malvaceum var. viridifolium Steve Boyd, Tim Ross 1992-5-5 7237 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, eastern portions of Oak Flats along the Bluewater Trail 730 Comment
  JEPS26602  Ribes nevadense Peter Kamb 1948-7-11 1203 Riverside Hall Canyon San Jacinto Mts. 1645 Comment
  CAS-BOT-BC144475  Ribes speciosum James R. Shevock 1975-4-6 4144 Riverside in the chaparral along Skyline Drive, FS road 4S12. Santa Ana Mountains, Cleveland National Forest 548 Comment
  UCSB33385  Ricinus communis Marks, R. 1978-3-16 Riverside 1/4 mi. E of point 1/2 mi. S of intersection Dufferin and McAllister Rds. in Riverside 365 Comment
  RSA648215  Ricinus communis Stephen Hill 1981-2-16 13 Riverside Cajalco Rd. 1 mile E. of hwy 15. Comment
  CSUSB1657  Robinia pseudoacacia Schreiner 1973-7-23 Riverside Lucerne Valley 609 Comment
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Jun 8 2013
  UCR76065  Romneya coulteri B. G. Pitzer, Stu Hemstreet 1992-5-21 1938 Riverside Santa Ana Mtns., Cleveland National Forest, State Hwy 74, 1 mi. uphill of the 2,000 ft. marker & to the left 0.1 mi. on an old paved road 762 Comment
  UCR114544  Rorippa nasturtium-aquaticum A. C. Sanders, K. C. Rose 1999-6-18 22812 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave. near Rawson Rd. 451 Comment
  UCR155937  Rorippa nasturtium-aquaticum John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  UCR38761  Rorippa palustris subsp. occidentalis G. Sampson 1985-6-10 85 461 Riverside Santa Ana River, Chino Hills State Park. Comment
  UCR77586  Rorippa palustris subsp. occidentalis Steve Boyd 1991-7-13 6407 Riverside Peninsular Range, Temescal Canyon, W base of Gavilan Hills, area of old glass factory between Temescal Wash & I-15, just south of Cajalco Road Comment
  UCR197035  Rosa californica A. C. Sanders, D. L. Sanders 2008-9-27 36105 Riverside San Bernardino Valley Region, Santa Ana Riverbottom at Norco, between Corydon Av. (Fire Sta. 21) and a point NW of Vine St. & Halfmoon Ct. intersection, c. 1 mile NE of River Rd. bridge 165 Comment
  RSA735929  Rubus discolor Scott D. White, Justin M. Wood 2008-5-29 12042 Riverside Beaumont Badlands: West of Beaumont, near SR-60 crossing over San Timoteo Creek. 610 Comment
  POM11501  Rubus parviflorus Philip A. Munz 1922-7-6 6028 Riverside San Jacinto Mountains: north fork of Tahquitz Creek. 2226 Comment
  POM366412  Rubus parviflorus N. C. Cooper 1944-6-17 1401 Riverside San Jacinto Mts., above Banning. 1372 Comment
  RSA526162  Rubus ursinus Steve D. Boyd, Tim S. Ross 1990-5-11 4665 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
  SDSU12267  Rubus ursinus Jeremy Mass, Ryan Jacobsen 2000-4-19 14 Riverside Along road near edge of Stone Creek close to Southside Field Station, Santa Margarita Ecological Reserve (SDSU). 222 Comment
  SD137661  Rumex californicus Darin L. Banks 1995-5-3 204 Riverside Cleveland National Forest, N. slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco 500 Comment
  SD70908  Rumex conglomeratus Helen V. Witham 1969-7-2 183 Riverside De Luz Creek crossing, 4 mi. N. of De Luz. One plant seen, in crack in boulder, impossible to get root (stout taproot ?). 249 Comment
  RSA561071  Rumex conglomeratus Steve Boyd, Tim S. Ross, Dave Bramlet 1993-5-12 7342 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon, 365 Comment
  UCR180047  Rumex crispus Mitch Provance 2005-5-18 9808 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  UCR35079  Rumex salicifolius var. denticulatus L. B. Ziegler 1969-6-10 373 Riverside San Jacinto Mtns., Hemet Valley (= Garner Valley) 1433 Comment
  POM19661  Rumex salicifolius var. salicifolius Mary F. Spencer 1923-1 2237 Riverside Idyllwild, San Jacinto mts. 1646 Comment
  SD123916  Rumex violascens Barry A. Prigge 1980-12-15 4126 Riverside Coachella Valley stormwater channel: 3.5 mi S of Mecca. -68 Comment
  UCR182861  Rumex violascens Mitch Provance, Brett Provance 2005-5-27 5701 Riverside San Bernardino Valley, Riverside (Arlington Heights area), SE corner of Cleveland Ave. and Irvine St. (inc. about 50 yards E on Cleveland) 277 Comment
  JEPS62517  Salazaria mexicana Marjorie Clary 1931-4-4 5 Riverside Coachella Valley Devils' Canyon (slopes of Santa Rosa Mts., West Colorado Desert); West Colorado Desert, slopes of Santa Rosa Mts. Comment
  UCR47289  Salicornia subterminalis Karin Cleary 1987-5-21 56 Riverside Lakeview: flats around Ellis Avenue, 1 - 1.4 km north of the intersection of Ellis Ave. and Menifee Road. 433 Comment
  POM319272  Salix exigua Patricia Wilder 1972-2-18 5361 Riverside North side of Norco, along the Santa Ana River at the end of Pedley St. 229 Comment
  UC717268  Salix exigua W. A. Setchell and Victor Duran 1935-4-19 9 Riverside 1000 Palm Canyon; Indio Region Comment
  UCR92246  Salix exigua Scott D. White 1995-7-7 3450 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  SD11898  Salix exigua var. exigua Mrs. H. P. Bracelin 1932-4-12 601 Riverside East side of bridge over Santa Ana River, 4.8 km north of Arlington on road to Pedley, west of Riverside 239 Comment
  SD1018  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-12 602 Riverside East side of the bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside 239 Comment
  CAS-BOT-BC108149  Salix gooddingii F. R. Fosberg 1932-3-13 8065 Riverside Thousand Palm Can., Coachella Valley Comment
  LA208735  Salix gooddingii Carl Epling; 1927-3-27 sn Riverside Thousand Palms Comment
  SD137624  Salix gooddingii Darin L. Banks, Steve Boyd 1995-4-5 141 Riverside Cleveland National Forest, N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, W of the Dripping Springs Trail. 658 Comment
  SD186326  Salix gooddingii Andy C. Sanders, D, Malueg 2003-5-8 26560 Riverside San Jacinto Valley: San Jacinto River bottom, N of San Jacinto and SE of State St. 465 Comment
  UCR37445  Salix gooddingii Steve Boyd 1981-4-10 s.n. Riverside Gavilan Hills, Long canyon running from NW/4 of section 2 through the E/2 of section 3 Comment
  RSA192109  Salix laevigata E. W. Lathrop 1960-6-9 4980 Riverside 14 miles west of Murrieta. Comment
  RSA714425  Salix laevigata A. C. Sanders 2004-5-12 27867 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  UCR150023  Salix laevigata Scott D. White, Angelia Carey 2004-5-7 10348 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  RSA0010973  Salix laevigata M. Lee Overholtzer 1961-3-29 135 Riverside Side of the road at El Carise Guard Station Ortaga Hwy. Santa Ana Mtns. 1677 Comment
  POM13585  Salix lasiolepis Philip A. Munz, I. M. Johnston 1922-5-21 5518 Riverside Hemet Valley, 1 mile from Hemet Reservoir. 1387 Comment
  POM50388  Salix lasiolepis W. W. Eggleston 1924-3-10 19540 Riverside San Jacinto Station, Cleveland Forest 600 Comment
  UCR182374  Salix lasiolepis Andrea Salzman, Ricky Escobar, et al 2006-4-10 48 Riverside Peninsular Range, Agua Tibia Wilderness at Arroyo Seco, c. 0.5 mi. south of Dripping Springs Guard Station 518 Comment
  CAS-BOT-BC126316  Salix sessilifolia Mrs. H. P. Bracelin 1932-4-12 602 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside 240 Comment
  CAS-BOT-BC126318  Salix sessilifolia Mrs. H. P. Bracelin 1932-4-12 599 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside 240 Comment
  UCSB1715  Salsola tragus Ballard 1954-10-30 Riverside 3 mi. south of Chino's Men Reform Institute 198 Comment
  RSA157909  Saltugilia australis P. A. Munz 1927-5-20 10811 Riverside 10 miles S. of Hemet. Comment
  RSA525435  Saltugilia australis Steve Boyd, D. E. Bramlet 1990-4-29 4480 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  UCR225186  Saltugilia australis Steve Boyd, Susan Jett 2008-3-20 11835 Riverside Peninsular Ranges; Santa Ana Mountains region, Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Hiway Vehicle Area. Comment
  UCSB31640  Saltugilia splendens Griesel, Wesley 1962-6-29 Riverside Dark Canyon, San Jacinto Mountains 1920 Comment
  UCR123873  Salvia apiana Steven R. Hill 2001-4-29 33536 Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  UCR140707  Salvia apiana A. C. Sanders 2004-5-12 27864 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  UCR241121  Salvia apiana Petra Wester 2004-5-22 461 Riverside Peninsular Range/Santa Rosa Mtns., Pines to Palms Hwy, c. 12 km south of Palm Desert 1000 Comment
  SD146234  Salvia columbariae B. Pitzer, W. Ross 1998-3-8 3599 Riverside Colorado desert, N side of Hayfield Lake between lakebed and Hwy I-10 412 Comment
  UCR156277  Salvia columbariae T. B. Salvato, Kent Beaman 2005-5-16 850 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
  UCR177024  Salvia columbariae Tracy Tennant 1998-6-18 s.n. Riverside San Jacinto Mtns., Bee Canyon, NE of Valle Vista 793 Comment
  UCSB39326  Salvia columbariae Jorgensen, Jan 1982-3-21 Riverside South entrance to Joshua Tree National Monument 600 Comment
  JEPS62716  Salvia eremostachya M. F. Gilman 1921-1 710 Riverside Pinyon Flat Pinyon Flat, Santa Rosa Mts.; Santa Rosa Mts. Comment
  SBBG6390  Salvia eremostachya H. and M. Dearing 1942-3-29 4848 Riverside Dos Palmas Spring, near Palms to Pines Hwy Comment
  UCR241123  Salvia greatae Petra Wester 2004-6-3 499 Riverside Sonoran (Colorado) Desert, dirt road [Bradshaw Trail] between Orocopia and Chocolate mountains 240 Comment
  UCR279601  Salvia greatae A. C. Sanders, Jim Malusa 2017-3-28 43141 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  UCR42410  Salvia greatae J. M. Stewart 1986-1-26 86- 8 Riverside Sonoran (Colorado) Desert, south fork of Hidden Spring Canyon, Mecca Hills Comment
  CAS-BOT-BC229984  Salvia mellifera Ellsworth Bethel 1918-5-10 s.n. Riverside San Jacinto Comment
  RSA605760  Salvia mellifera Scott D. White 1996-3-16 3823 Riverside Lakeview Mountains: Perris Basin, Lakeview Mts, N of Winchester, at ''Maze Stone'' Picnic Area 610 Comment
  SD137720  Salvia mellifera Darin L. Banks, Steve Boyd 1995-3-30 129 Riverside Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, west of the Dripping Springs Alcove, on the Woodchuck Trail. 633 Comment
  UCR107705  Salvia mellifera A. C. Sanders 1997-3-1 19746 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
  UCR121888  Salvia mellifera Ian G. Gillespie 2001-5-15 90 Riverside Lake Skinner, Perris Plain Area Comment
  RSA0093766  Salvia pachyphylla Duncan S. Bell 2015-9-30 8689 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  SD67623  Salvia pachyphylla subsp. pachyphylla Victor Duran 1933-7-1 3490 Riverside Santa Rosa Mts. near Vandeventer Flat 1676 Comment
  CAS-BOT-BC233336  Salvia vaseyi A. C. Sanders; K. Rose 1995-4-27 16736 Riverside Foot of the Little San Bernardino Mtns., canyon E of Fan Hill, just outside Joshua Tree Nat. Park, Coachella Valley 550 Comment
  CAS-BOT-BC233338  Salvia vaseyi Barbara Ertter; Jeffrey Strachan 1980-5-20 3477 Riverside Highway 74, Pines to Palms Highway near Black Hill between Pal Desert and Santa Rosa Mountain 914 Comment
  CAS-BOT-BC233345  Salvia vaseyi A. Davidson 1983-5-1 s.n. Riverside Thermal, Colorado Desert Comment
  RSA314158  Salvia vaseyi Walter Wisura 1983-7-9 3915 Riverside 5.4 mi from the junction with Hwy 111 along Hwy 74. Comment
  UC729480  Sambucus mexicana Carl B. Wolf 1932-8-6 3991 Riverside base of Devil's Slide Trail to Tahquitz Valley; San Jacinto Mts., Strawberry Valley 1706 Comment
  UCR197059  Sambucus mexicana A. C. Sanders, D. L. Sanders 2008-9-27 36108 Riverside San Bernardino Valley Region, Santa Ana Riverbottom at Norco, between Corydon Av. (Fire Sta. 21) and a point NW of Vine St. & Halfmoon Ct. intersection, c. 1 mile NE of River Rd. bridge 165 Comment
  RSA0036464  Sambucus nigra subsp. caerulea J. M. Andre 2012-6-15 30530 Riverside Along Hwy 243, 10.7 mi. south of Interstate 10 (Banning); SB Natl. Forest. 1499 Comment
  SD185178  Sambucus nigra subsp. caerulea T. B. Salvato, Kent Beaman 2005-5-16 769 Riverside San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA 74. 548 Comment
  CLARK-A1528-3839  Samolus parviflorus John C. Roos 1937-6-7 497 Riverside Aguanga Comment
  UC1552639  Sanicula arguta B. Pitzer and E. Misquez 1988-2-28 628 Riverside 2 mi s of Rancho California Road (sw of Murrieta, Walker Basin, Avenida del Oro); Walker Basin, Avenida del Oro 426 Comment
  UCR226086  Sanicula bipinnatifida A. C. Sanders, T. B. Salvato 2011-4-1 38957 Riverside Peninsular Range, Lake Elsinore, off Baker St. NW of intersection with Bromley Ave., north of second house from intersection, 0.55 km NW of Hwy 74 404 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
  UC1611579  Sanicula crassicaulis Steve Boyd, Tim Ross 1993-3-23 7904 Riverside s of Vail Lake (at n base of Agua Tibia Mountain, Palomar Range, Cleveland Nat'l Forest, Agua Tibia Wilderness Area, along trail extending s from end of Woodchuck Rd.); Palomar Range, Cleveland Nat'l Forest, Agua Tibia Wilderness 609 Comment
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Aug 1 2006
  UCR77589  Sanicula tuberosa Steve Boyd, Et al 1991-5-6 6137 Riverside Peninsular Range; Santa Ana Mountains, south side of Elsinore Peak 1067 Comment
  UCR77761  Schinus molle Steve Boyd 1991-9-8 6426 Riverside Peninsular Range, Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371 600 Comment
  CHSC35471  Schismus barbatus James Henrickson 1973-3-18 8590 Riverside 16 (air) miles E of Temecula, 2.9 miles E of Aguanga along Hwy 71. 822 Comment
  HSC101530  Schismus barbatus J. P. Smith, J. O. Sawyer, R. J. Cole 2010-4-14 12752 Riverside Weedlot in Indio, CA 10 Comment
  HSC92568  Schismus barbatus Isely, Bragonier 1960-3-22 7196 Riverside Desert Palms. Comment
  UCR102747  Schismus barbatus B. G. Pitzer 1998-2-1 3447 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed 427 Comment
  UCR214138  Schismus barbatus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37718 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  CAS-BOT-BC111279  Schoenoplectus acutus var. occidentalis Crawford; Johnson 1917-6-9 1226 Riverside Santa Ana River near Corona along stream. Comment
  RSA653173  Schoenoplectus acutus var. occidentalis Mitch Provance 2000-6-24 2073 Riverside Riverside: Santa Ana River Wash, between the Market St. bridge and the 60 Fwy. 243 Comment
  UCSB45604  Schoenoplectus acutus var. occidentalis Roos, John; Roos, Lucille 1952-6-10 Riverside Fairmount Park, Riverside 259 Comment
  RSA563903  Schoenoplectus glaucus A. C. Sanders 1993-4-5 13700 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74). 460 Comment
  UC841173  Scirpus acutus var. occidentalis Crawford and Johnston 1917-6-9 1226 Riverside Santa Ana River near Corona (along stream); Santa Ana River near Corona Comment
  SEINET3913622  Scirpus americanus Faulkner 1978-4-27 502 Riverside 3 miles East of Blythe, shores and flood plains of Colorado River.; 0 137 Comment
  UC489282  Scirpus americanus C. V. Meyer 1928-8-2 625 Riverside Temecula Comment
  SBBG16541  Scrophularia californica P. H. Raven 1962-4-29 17486 Riverside Ortega Hwy, 1 mi above the east base 487 Comment
  SEINET1004420  Scrophularia californica A. C. Sanders 2004-1 28393 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, large rocky hill (1762 ft.) 1 mi E of Murrieta Rd. and 1 mi N of Bundy Canyon Rd., ca. 5 miles due south of Sun City 469 Comment
  RSA314663  Scrophularia californica subsp. floribunda Robert F. Thorne, F. R. Fosberg 1983-4-23 55485 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  UCR111578  Scrophularia californica subsp. floribunda Mitch Provance 1999-4-3 1752 Riverside City of Riverside, SW side of 'Royal Hill', 0.25 miles east of the corner of Victoria Ave. and Arlington Ave. 351 Comment
  RSA0026266  Scutellaria bolanderi subsp. austromontana Fred M. Roberts 2013-6-7 7782 Riverside Peninsular Ranges: Santa Ana Mtns.: Tributary to Upper San Juan Canyon near Chiquito Basin Trail, 1.7 kilometers NNW Upper San Juan Campground. 536 Comment