Search Results — 2000 specimen records retrieved (1898 records with coordinates)
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 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-BC229324  Abronia villosa Lester Rowntree 1937-5-27 s.n. Riverside Box Canon [Canyon] Comment
  CAS-BOT-BC229329  Abronia villosa L. R. Abrams 1913-7-16 5010 Riverside Between Elsinore & Corona, Riverside Canyon Comment
  CAS-BOT-BC229332  Abronia villosa K. Larson 1975-4-24 1506 Riverside Snow Creek Rd. 10 mi. NW of Palm Springs Comment
  RSA461028  Abronia villosa D. A. Young 1969-3-28 P- 393 Riverside At end of Hayfield Rd., S of Interstate Hiway 10. 305 Comment
  SBBG32390  Abronia villosa L. S. Rose 1967-12-20 Riverside 6 mi SE of Thousand Palms 15 Comment
  SEINET7923626 Image available Abronia villosa H. F. Thut 1971-3-15 Riverside 6 miles east of Palm Sprirgs, Calif. Comment
  UCR103570  Abronia villosa George K. Helmkamp, E. A. Helmkamp 1998-2-18 2712 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  RSA461038  Abronia villosa var. aurita N. C. Cooper 1944-4-23 1104 Riverside Cabazon. 457 Comment
  SD187438  Abronia villosa var. aurita R. E. Riefner Jr. 2007-5-19 07 210 Riverside Temecula, Temecula Canyon, Santa Margarita River, ca. 1.5 miles west of I-15 Fwy. and 1.0 mile west of Murrieta Creek 298 Comment
  UCR234804  Abronia villosa var. aurita Jim Andre, Glenn L. Clifton 2011-2-22 17473 Riverside Coachella Valley, North Palm Springs c. 0.3 mi north of Hwy 111, at corner of San Rafael and Virginia Street 189 Comment
  IRVC28839  Abronia villosa var. villosa Mark A. Elvin 2005-4-25 4220 Riverside Coachella Valley; N of Palm Springs; N of I10; S of Dillan Road; E of Indian Avenue. Northern Sonoran Desert 244 Comment
  RSA151103  Acamptopappus sphaerocephalus var. sphaerocephalus P. H. Raven 1962-4-7 17112 Riverside Whitewater Wash 1.5 miles north of U.S. Highway 70--99. Comment
  RSA1333  Acer macrophyllum B. D. Stark 1930-2-21 1474 Riverside Hidden Canyon, near Corona, Santa Ana Mts. Comment
  CAS-BOT-BC20354  Achillea millefolium H. M. Hall 1901-7-20 2507 Riverside Strawberry Valley, San Jacinto Mountains 1615 Comment
  RSA0103317  Achnatherum speciosum Jim M. Andre 2012-4-11 20701 Riverside Little San Bernardino Mountains; Hidden Tank Picnic Area, 1.4 mi. SW of paved road (Utah Trail) to Cottonwood Spr, approx. 8 mi. south of North Entrance Sta., N. end of Hexie Mtns. 1076 Comment
  UC1601392  Achnatherum speciosum H. M. Hall May 1899 1177 b Riverside Riverside, El Toro Mt. El Toro Mt. 1524 Comment
  CAS-BOT-BC384735  Achyronychia cooperi Aven Nelson; Ruth Nelson 1939-3-28 3296 Riverside On highway 111, South of Mecca Comment
  RSA423488  Achyronychia cooperi P. A. Munz 1932-3-14 11999 Riverside Palm Springs. 91 Comment
  SEINET5327357  Acmispon argophyllus var. argophyllus H. M. Hall 1897-4-3 423 Riverside Vicinity of Winchester, in the Upper Sonoran Zone Comment
  CAS-BOT-BC204877  Acmispon argyraeus var. argyraeus Philip A. Munz 1937-5-30 15136 Riverside Santa Rosa Peak 2407 Comment
  JOTR34089  Acmispon glaber var. brevialatus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2936 Riverside Joshua Tree National Park. Little San Bernardino Mountains: North side of Quail Mountain; steep bouldery slopes between drainages Comment
  UCR261509  Acourtia microcephala A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-19 41731 Riverside Temesal Canyon, south of Glen Eden Rd. on the crest of an alluvial ridge, south of I-15 and Lee (Corona) Lake 384 Comment
  JOTR32433  Adenophyllum porophylloides La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade` 2011-4-26 2281 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; sandy flats at base of mountains and northern edge of valley (Stop 4) 996 Comment
  UCD112621  Adenostoma fasciculatum Geoffrey Levin 1975-5-9 497 Riverside Dripping Springs Forest Service Station, Cleveland National Forest. 487 Comment
  UCR16481  Adenostoma fasciculatum Joe Buriel 1966-4-22 s.n. Riverside Peninsular Range, 5 miles north of Temecula off Hwy 395. Along small service road bordered by telephone poles 457 Comment
  CAS-BOT-BC139861  Adenostoma sparsifolium Winifern W. Swarth 1914-9-8 s.n. Riverside Trail below Strawberry Valley, San Jacinto Mts. 1524 Comment
  POM13712  Adenostoma sparsifolium Philip A. Munz 1922-4-29 5122 Riverside Lancaster Valley, s. of Hemet 457 Comment
Read comments
May 20 2011
  RSA79036  Adenostoma sparsifolium E. K. Balls, Percy C. Everett 1952-11-18 18254 Riverside 200 yards east of Santa Rosa summit. 1494 Comment
Read comments
Jun 30 2012
  UCSB2738  Adenostoma sparsifolium Haller, Norman 1953-5-24 Riverside Hwy. 74, Vandeventer Flats, 5 miles W. of Pinyon Flats, San Jacinto Mts, 1524 Comment
  CAS-BOT-BC69644  Adiantum capillus-veneris Louis C. Wheeler 1933-12-1 2295 Riverside Mouth of Tahquitz Canyon, San Jacinto Mts. 152 Comment
  SBBG210  Adiantum capillus-veneris H. and M. Dearing 1942-1-30 4790 Riverside Palm Cyn near Palm Springs Comment
  RSA612814  Adiantum jordanii Darin L. Banks 1997-3-1 1355 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Pechanga Creek, east of the ''Fiesta Grounds'' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation. 423 Comment
  RSA249840  Agoseris retrorsa R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38105 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  RSA783630  Agoseris retrorsa J. D. Olmsted 1962-5-3 Riverside East slope of Baldy Mt., along pines to Palms Hwy., 1.5 mi S of 4936' summit south of Mt. Center 1505 Comment
  UCR195136  Agrostis exarata A. C. Sanders, Tim Thomas 2008-8-1 35968 Riverside Peninsular Range; San Jacinto Mtns., lower Coldwater Creek near Mountain Center, at stream crossing of trail SSE of Keenwild Fire Station 1402 Comment
  CAS-BOT-BC139444  Agrostis hyemalis Ralph Hoffmann 1929-9-6 s.n. Riverside Border of brook, Jahquitz Valley, Mount San Jacinto. 2438 Comment
  SEINET10467712  Agrostis scabra var. geminata David B. Dunn 1946-8-17 Dunn 2720 Riverside Round meadow dry hillside among lodge pole pines. San jacinto mts. Comment
  UCR2133  Agrostis viridis F. M. Reed 1907-6-16 1414 Riverside South Coast; San Bernardino Valley, Riverside, upper south fork of Arroyo Tequesquite 457 Comment
  RSA656537  Aliciella latifolia subsp. latifolia A. C. Sanders 2000-4-25 23356 Riverside east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles E of Thermal 15 Comment
  RSA778011  Aliciella latifolia subsp. latifolia J. Andre 2011-2-9 15924 Riverside Mecca Hills; along Box Canyon Road at upper end of gorge, approx. 6 miles SSE of Jct. with I-10, approx. 12 miles west of Chiraco Summit 284 Comment
  SEINET10479053  Allenrolfea occidentalis Jon Ricketson, Heidi H. Schmidt 1992-10-25 Ricketson 4919 Riverside Salton Sea. At the junction of California Highway 111, (Commercial Street), along Vander Veer Road (to North Shore Marina), in the town of North Shore. North end of the Salton Sea, in the Coachella Valley. 60 Comment
  CAS-BOT-BC434479  Allionia incarnata Peter H. Raven 1958-1-24 11455 Riverside Fargo Canyon Comment
  JEPS121591  Allionia incarnata var. incarnata Adam C. Schneider with Will Freyman 2014-2-16 386 Riverside Box Canyon Road. Comment
  UCR16036  Allium fimbriatum B. A. Carlson 1978-5-13 s.n. Riverside Santa Rosa Mtns., N of Hwy 74 & 20 m south of Pinyon Flat Campground boundary. 1220 Comment
  SD130878  Allium fimbriatum var. munzii Craig Reiser 1991-4-25 Riverside Gavilan Plateau, south edge of Harford Springs Park, south of Ida Leona Road, east of Gavilan Road. Rocky opening in chaparral. (IPB 2/08) Comment
Read comments
Apr 2 2011
  RSA585734  Allium haematochiton Darin L. Banks, Steve Boyd 1995-5-9 0397 A Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 790 Comment
  UCR202615  Allium parryi Scott D. White, Justin M. Wood 2008-6-17 12191 B Riverside San Jacinto Mountains, Morris Ranch Road, open area west of Goff Flat 1641 Comment
  RSA543578  Allium peninsulare Steve Boyd 1991-5-7 6160 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  UCR199647  Allium praecox Scott D. White, Justin M. Wood 2008-3-25 11772 Riverside Perris/Elsinore Basin, Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon 'Morgan' Property, Alberhill area 366 Comment
  CDA7194  Allium roseum A. C. Sanders 1999-4-28 22709 B Riverside UCR Botanic Garden, Riverside. Comment
  UCR90834  Allium roseum Steve Morgan 1995-4-17 s.n. Riverside UC Riverside Botanic Garden. Comment
  RSA19172  Allophyllum glutinosum P. A. Munz 1923-6-14 7115 Riverside Glen Ivy Trail to Santiago Peak. 1159 Comment
  CAS-BOT-BC170129  Alnus rhombifolia Lewis S. Rose 1938-2-1 38003 Riverside Whitewater 213 Comment
  CAS-BOT-BC170132  Alnus rhombifolia Carl B. Wolf 1932-5-24 3649 Riverside N base of San jacinto Mts., Snow Creek Canyon, 1/2 mi below Fish Hatchery 548 Comment
  POM123325  Alnus rhombifolia Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  UC1532831  Alopecurus saccatus Robert F. Thorne and Earl Lathrop 1975-5-25 45549 Riverside Rancho California Santa Rosa Plateau, Mesa de Burro, Rancho California 609 Comment
  UCR272496  Alternanthera caracasana Mitch Provance 2013-6-18 613- 30 Riverside Santa Ana River Valley, Riverside, Arlanza area, Terrace Middle School on Rutland Ave. 227 Comment
  JOTR35202  Amaranthus albus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3270 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
  RSA335002  Amaranthus blitoides Steve Boyd 1985-7-30 1046 Riverside De Luz Rd. 7.8 mi west of Rancho California. Comment
  UC465930  Amaranthus blitoides E. E. Schellenger 1911-4-24 Riverside s of Palm Springs; Colorado Desert Comment
  UCR78632  Amaranthus blitoides Scott D. White 1992-9-11 s.n. 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
  RSA451153  Amaranthus palmeri Stephen M. Beckstrom-Sternberg 1985-9-10 1022 Riverside U.C.R. garden plots. Comment
  RSA715263  Amaranthus powellii A. C. Sanders 1999-9-26 23104 Riverside Garner Valley, along Hwy 74 at Horse Canyon Rd., toward east end of valley 1448 Comment
  UCR269224  Amaranthus powellii T. B. Salvato, Arlee Montalvo 2015-8-22 8238 Riverside San Jacinto Mountains, Apple Canyon Road, 1.35 air miles northeast of its junction with Hwy 74 1418 Comment
  CAS-BOT-BC13610  Ambrosia acanthicarpa D. E. Breedlove 1961-8-5 949 Riverside Along state highway 74, 5 miles east of Keen Camp, Hemet Valley, San Jacinot Mountains 1341 Comment
  CAS-BOT-BC13611  Ambrosia acanthicarpa Carl B. Wolf 1931-10-14 2459 Riverside Cabezon, San Gorgonia Pass. 518 Comment
  RSA3325  Ambrosia acanthicarpa C. B. Wolf 1931-10-14 2459 Riverside Cabazon, San Gorgonio Pass. 518 Comment
  UCR247999  Ambrosia confertiflora O. F. Clarke 2009-11-26 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  SD30766  Ambrosia dumosa Edith A. Purer 1935-4-21 6455 Riverside Desert floor, western Colorado Desert. Comment
  UCSB18366  Ambrosia dumosa Kruger, Dave 1964-5-10 Riverside State Highway 74, 7 miles E of Pinyon Flats Campground 914 Comment
  RSA575845  Ambrosia psilostachya 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
  UC1605396  Ambrosia psilostachya Steve Boyd 1994-10-14 8392 Riverside San Mateo Canyon at confluence with Bluewater Canyon; Southern Santa Ana Mountains, Cleveland N.F. 329 Comment
  UCR115929  Ambrosia psilostachya Mitch Provance 2000-1-8 1805 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411. 305 Comment
  UCR17127.2  Amorpha fruticosa var. occidentalis Eric Fisher 1979-5-19 s.n. Riverside Box Springs Mtns, Reche Canyon, 5.5 mi NW of Moreno 610 Comment
  CLARK-A1528-323  Amsinckia intermedia C. M. Flanagan 1973-4-26 OO 312 Riverside Morongo Indian Reservation 914 Comment
  UC1084562  Amsinckia intermedia Francia Chisaki, Peter M. Ray 1952-4-30 2242 Riverside 0.1 mi e of bridge over wash at base of San Jacinto Mountains (Banning-Idyllwild Road) Comment
  RSA0089611  Amsinckia intermedia P. A. Munz, R. D. Harwood 1920-2-28 3239 Riverside 3 mi SW of Corona. 305 Comment
  SEINET12280464  Amsinckia intermedia J. F. Bright, Wyman, C. 1933-1 8045 Riverside near Palm Springs Comment
  SBBG120832  Amsinckia menziesii var. menziesii A. C. Sanders 2006-5-11 32260 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel S of intersection on Collier Ave and Riverside Dr, NE of Alberhill Crk, NW of Enterprise Way 389 Comment
  RSA778231  Amsinckia tessellata var. tessellata Duncan S. Bell 2009-3-8 36 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  POM115619  Amsonia brevifolia var. tomentosa A. M. Alexander, Louise Kellogg 1941-5-23 2225 Riverside one-half mile north of cottonwood spring, Eagle mountains. 915 Comment
  RSA0043041  Amsonia tomentosa Duncan S. Bell, Evan Meyer 2014-4-2 6527 Riverside Chuckwalla Mountains; approx. 0.75 air mile southeast of Aztec Well. 703 Comment
  RSA559934  Ancistrocarphus filagineus Steve Boyd 1992-4-18 6903 Riverside Paloma Valley, between Sun City and Murrieta, E of Hwy I-215. Rolling Hills just SW of Jtn Briggs Rd and Scott Rd. Comment
  RSA314396  Andropogon glomeratus R. F. Thorne 1982-10-8 55407 Riverside San Bernardino Mountains: about 3.2 miles north of Whitewater Post Office 595 Comment
  CAS-BOT-BC400338  Anemopsis californica A. C. Sanders; D. Bramlet; Mihai Costea; T. Salvato 1999-10-15 23183 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1 mile W of Jackrabbit Trail on Gilman Springs Rd., 0.4 mi. W of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Spr. 436 Comment
  UC29526  Antennaria rosea H. M. Hall 1901-7-1 2401 Riverside Tamarack Valley San Jacinto Mountains, Tamarack Valley Comment
  UCR280835  Anthemis cotula T. B. Salvato, Gregg Miller 2005-6-3 1371 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River c. 2.5 mi SSW of Perris, 1.5 mi downstream of Goetz Road where the river leaves the Perris Plain and enters the hill area above Railroad Canyon 427 Comment
  JOTR32292  Antirrhinum coulterianum Harding, Mitzi, T. Herskovits 2011-5-12 14 Riverside Joshua Tree National Park. Little San Bernardino mountains; Southwest of Eureka Peak; Steep, gravelly slope above canyon 1398 Comment
  RSA633869  Antirrhinum coulterianum Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38103 Riverside San Jacinto Mountains: San Bernardino National Forest. Above James Reserve in Hall Canyon. 1677 Comment
  SEINET255561 Image available Antirrhinum coulterianum Teresa Nieto 2005-4-14 05 Riverside Peninsular Tange, Agua Tibia Mountains: UC Emerson Oaks Reserve, ca. 8 miles southeast of Temecula, S of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank. 488 Comment
  UC444962  Antirrhinum coulterianum Katharine Brandegee 1896-4-10 Riverside Agua Caliente Comment
  UCD123440  Antirrhinum coulterianum R. S. Woglum 1937-5-22 535 Riverside Temecula. Comment
  UCR116925  Antirrhinum coulterianum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24220 Riverside Perris-Aguanga Basin region, Hemet, SE of intersection of State Street and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi. SSW of Hemet Butte 513 Comment
  RSA679173  Antirrhinum nuttallianum Fred M. Roberts 2003-7-11 5961 Riverside San Mateo Canyon Wilderness, unnamed tributary to san Juan Creek, 0.9km ESE Upper San Juan Campground. 666 Comment
Read comments
Nov 24 2014
  UC1929669  Antirrhinum nuttallianum Scott D. White 2003-6-9 9525 Riverside PERRIS BASIN: Northeast corner of Devonshire Ave. and Warren Rd., immediately south of Tres Cerritos. Comment
  UCR41351  Antirrhinum nuttallianum N. M. Fellows, A. C. Sanders 1985-5-7 163 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  RSA85443  Antirrhinum nuttallianum subsp. nuttallianum J. C. Roos 1952-4-13 5517 Riverside Box Springs Mts., above Canyon Crest Heights. 457 Comment
  SDSU13336  Antirrhinum nuttallianum subsp. nuttallianum Tom Duffy, Tarja Sagar 2000-4-29 3 Riverside Two hundred meters NE of Santa Margarita Ecological Reserve North field Station. 320 Comment
  UCR116069  Apiastrum angustifolium 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
  RSA627514  Apocynum cannabinum Scott D. White 1998-7-31 6934 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park; San Jacinto Mts. 1707 Comment
  RSA46854  Aquilegia formosa Wilder 1903-07 s.n. Riverside Strawberry Valley Comment
  RSA629178  Arctostaphylos Jon E. Keeley 1992-7-16 16677 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA629445  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-16 16587 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  UC1120312  Arctostaphylos glandulosa subsp. zacaensis A. E. Wieslander 1938-10-23 822 Riverside Idyllwild San Jacinto Quadrangle 1524 Comment
  JOTR32365  Arctostaphylos glauca La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2480 Riverside Joshua Tree National Park. Little San Bernardino Mountains: North side of Quail Mountain; Rocky outcrop and steep slopes above large drainage and spring (Stop 6) Comment
  RSA6124  Arctostaphylos glauca C. B. Wolf 1932-5-25 3695 Riverside One half-mile southwest of summit of Moreno Grade, Bad Lands, southwest of Beaumont 610 Comment
  RSA631784  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19278 Riverside Highway 79, 5 km west of Radec. 580 Comment
  SD7734  Arctostaphylos glauca J. C. Nevin 1884-1 Riverside San Jacinto Mtns. Comment
  RSA633546  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21780 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633665  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21767 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 Comment
  RSA633688  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16666 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  RSA633709  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16663 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  RSA635200  Arctostaphylos parryana subsp. tumescens Jon E. Keeley 1992-7-17 16778 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  RSA635307  Arctostaphylos patula Jon E. Keeley, Rx Rothrock 1992-11-11 22537 Riverside Saddle Junction, ca. 2 km northeast of Humber Park, Idyllwild, San Jacinto Mtns. 2400 Comment
  RSA0054854  Arctostaphylos patula Anonymous 1938-5-26 s.n. Riverside Hurkey Creek. Comment
  RSA761232  Arctostaphylos pringlei Shawn Krosnick, C. Martinez, Naomi Fraga, Lucinda McDade, et al. 2010-8-14 723 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  POM122257  Arctostaphylos pringlei subsp. drupacea Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  RSA635643  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-17 16743 Riverside Morris Ranch Rd. (6S06), 6.3 km east of Hwy 74, western base of Pyramid Pk., San Jacinto Mountains. 1680 Comment
  RSA635687  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 16605 Riverside Hwy 371 & Burnt Valley Rd, San Jacinto Mtns. Comment
  HSC25239  Arctostaphylos pungens Richard Spjut 1972-3-4 2241 Riverside San Jacinto Mtns. along Hwy. 74 E of Idyllwild 1220 Comment
  UC876487  Arctostaphylos pungens Munz and Johnston 1922-5-20 5491 Riverside head Hemet Valley; San Jacinto Mts. 1524 Comment
Read comments
Mar 13 2011
  UC8107  Arenaria macradenia var. macradenia H. M. Hall 1901-6-1 2126 Riverside San Jacinto Mountains, Santa Rosa Mountain, Coyote Canyon 1645 Comment
  UCR104179  Argemone munita Scott D. White 1997-5-25 5220 Riverside San Jacinto Mtns., Bautista Canyon, along Bautista Canyon Road, c. 1.3 road miles NW of Hixon Trailhead (USFS Road No. 2E43) 762 Comment
  UCR116786  Argemone munita A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24160 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
  RSA105974  Argemone munita subsp. munita Gerald B. Ownbey, Findley Ownbey 1954-8-7 2178 -a Riverside 9.7 mi., s.e. of Idyllwild, Hemet Valley road; 1372 Comment
  CAS-BOT-BC207133  Argythamnia lanceolata Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  RSA0040101  Argythamnia neomexicana Duncan S. Bell, LeRoy Gross 2014-3-13 6243 Riverside Orocopia Mountains; southern section of range; approximately 3 air miles northwest of Clemens Well. 431 Comment
  JOTR35359  Aristida adscensionis Harding, Mitzi, M. Wheeler 2011-1-26 144 Riverside Joshua Tree National Park. Pinto Basin, where Chuckwalla Valley meets Pinto Wash, 0.5 mi west of Coxcomb Mountains, sandy burms above large wash (STOP2) 289 Comment
  RSA735317  Aristida adscensionis Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah DeGroot, Valentin Arvizu, Tim Thibault 2004-5-14 11282 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage.Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  RSA782352  Aristida adscensionis Stephanie Rockwood, Christi Gabriel 2011-10-18 121 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 109 Comment
  SD215339  Aristida adscensionis W. Wasura, J. Dolan and M. Wall 1992-3-25 4651 Riverside Lowdesert: 2.7 miles South of prison on Wileys Well Road. Comment
  UCR242294  Aristida adscensionis A. C. Sanders, T. B. Salvato 2012-10-12 40415 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd., 0.35 mi. west of I-10 junction 114 Comment
  SEINET10467839  Aristida adscensionis Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-20 Holmgren 6418 Riverside Big maria mtns, 12 airline mi n of downtown blythe. T4s, r22e, sec 35, locally Frequent along gully in gravelly soil. 290 Comment
  POM308114  Aristida adscensionis var. modesta Henry J. Ramsey, Henry J. Ramsey 1939-11-28 2936 Riverside 10 miles east of Indio. Comment
  HSC101267  Aristida californica Jim Andre 2012-3-19 21352 Riverside Chuckwalla Valley; along Hwy 177, 8.6 mi. NE of Jct with I-10. 152 Comment
  UCR90325  Aristida californica Ed LaRue 1993-4-29 s.n. Riverside Sonoran (Colorado) Desert, Blythe landfill, along Blythe-Midland Road, 3 mi. south of the Big Maria Mtns, 6 mi. west of Colorado River 137 Comment
  JOTR30070  Aristida californica var. californica La Doux, Tasha, Bill Truesdell 2006-10-3 1713 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 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
  SD121286  Aristida purpurea var. parishii J. C. Roos 1966-4-29 Riverside Rocky hills between March AFB and Lakeview, crevices in the rock slopes. Comment
  IRVC14696  Artemisia californica Victoria Sork 1973-4-5 sn Riverside Elsinore; 1.5 mi. N, 0.5 mi. W of intersection of Hwys 74 and 71. Comment
  CAS-BOT-BC90420  Artemisia douglasiana E. W. Lathrop 1966-3-20 6067 Riverside 10 miles west of Murrieta on the Tenaja Truck Trail between DeLuz and the Tenaja Guard Station Comment
  CAS-BOT-BC90421  Artemisia douglasiana Scott D. White 1996-9-22 4529 Riverside Lakeview Mts: N of Homeland, along Juniper Flats Rd., ca. 1.2 road miles N of intersect. w/ St. Hwy. 74 502 Comment
  UCR114009  Artemisia douglasiana Mitch Provance 2000-6-24 2053 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  CLARK-A1528-155  Artemisia dracunculus John C. Roos 1951-9-23 Riverside Reche Canyon Comment
  JOTR32836  Artemisia dracunculus La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1551 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; active wash near base of granitic outcrops 1250 Comment
  UCD129231  Artemisia dracunculus Steve Boyd; Tim Ross, Laurel Arnseth 1989-6-11 3708 Riverside Vail Lake area, Wilson Creek at east end of lake. Comment
  RSA588758  Artemisia tridentata subsp. tridentata Darin L. Banks, Steve Boyd 1995-10-26 0836 Riverside NW Palomar Mountains; Agua Tibia Mountains; Along the Woodchuck Road, N of Woodchuck Campground; Approximately 0.15 miles from Hwy. 79, along a small drainage that crosses the road. 518 Comment
  UCR6699  Arthrocnemum subterminale O. F. Clarke, Sue Freeman 1967-11-3 s.n. Riverside Perris Basin, c. 3 mi. north of Lakeview & c. 3 mi. SSE of Moreno 434 Comment
  SEINET3082098 Image available Asclepias erosa Noel H. Holmgren, Patricia K. Holmgren, Ruth E. Kern 1973-3-23 6487 Riverside Chuckwalla Valley, 2.8 miles northeast of Desert Center 198 Comment
  UCR89693  Asclepias erosa J. M. Stewart 1990-10-22 663 Riverside Sonoran (Colorado) Desert, Ford Dry Lake off I-10, c. 4 mi. west of Wiley Well Rd Comment
  SDSU2729  Asclepias subulata D. F. Howe 1963-5-15 3480 Riverside 26.5 miles west of Desert Center on #195. 457 Comment
  UC1550221  Asparagus asparagoides B. Pitzer and E. Misqez 1988-2-28 636 Riverside sw of Murrieta (Avenida del Oro, s of Rancho California Road, n of road); Walker Basin 426 Comment
  RSA69827  Aster bernardinus J. C. Roos 1951-10-19 5323 Riverside San Timoteo Canyon, El Casco. 610 Comment
  UCR18624  Aster bernardinus John C. Roos 1951-10-19 5323 Riverside San Timoteo Canyon, El Casco 612 Comment
  POM4751  Aster subulatus var. ligulatus Geo. R. Hall 1905-9-3 s.n. Riverside Riverside Comment
  SEINET937944 Image available Astragalus aridus H. F. Loomia 1930-1 203 Riverside Near Mecca Comment
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Mar 22 2014
  JOTR30888  Astragalus coccineus La Doux, Tasha, E. Babich, N. Pietrasiak 2008-4-21 2093 Riverside Joshua Tree National Park. Little San Bernardino Mountains, north end of East Deception Canyon 1446 Comment
  CAS-BOT-BC182584  Astragalus didymocarpus var. dispermus Carl B. Wolf 1937-4-6 8430 Riverside Colorado Desert. Coachella Valley, 2 mi. NE. of Edom 30 Comment
  CAS-BOT-BC182589  Astragalus didymocarpus var. dispermus Geo. B. Grant 1906-4-20 563 -6711 Riverside Palm Springs Comment
  RSA385  Astragalus douglasii var. parishii J. T. Howell 1927-8-2 555 Riverside Strawberry Valley, Mt San Jacinto. 1677 Comment
  UC82604  Astragalus douglasii var. parishii C. F. Baker 1904-4-5 4131 Riverside Hemit Comment
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Sep 5 2011
  CLARK-A1528-2746  Astragalus insularis var. harwoodii John C. Roos 1949-4-11 4241 Riverside Chuckwalla Mountains Comment
  RSA776179  Astragalus insularis var. harwoodii Amber Swanson 2011-3-20 244 Riverside On Railroad tracks on Summit Rd near the Bradshaw trail 479 Comment
  SD6087  Astragalus lentiginosus var. coachellae unknown Mar 1914 Riverside Palm Springs Comment
  UCR160704  Astragalus lentiginosus var. coachellae Michael A. Patten 1993-3-21 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Palm Desert, NE of intersection of Frank Sinatra Dr. & Portola Ave., near Dry Camp Siding, 'Cook St. interchange' project 61 Comment
  UCR208171  Astragalus lentiginosus var. coachellae H. D. Ripley, R. C. Barneby 1942-4-2 4271 Riverside Sonoran (Colorado) Desert, Palm Springs 137 Comment
  UCR86648  Astragalus lentiginosus var. coachellae A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16257 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  UCR244914  Astragalus lentiginosus var. variabilis Jim Andre 2012-3-19 21355 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177, 8.6 mi. NE of junction with I-10 152 Comment
  UC863204  Astragalus palmeri P. A. Munz 1922-4-29 5114 Riverside Aguanga Comment
  CAS-BOT-BC192826  Astragalus pomonensis B. 1904-4-5 4131 Riverside Hemet Comment
  POM295496  Astragalus pomonensis Lyman Benson 1946-4-15 12013 Riverside 6 miles southeast of Redlands. Mt. Range: San Bernardino. 609 Comment
  SBBG3239  Astragalus pomonensis H. and M. Dearing 1939-4-5 3089 Riverside above Hemet Valley on Beaumont Rd Comment
  SEINET3860170  Astragalus pomonensis John F. Green 2009-3-7 s.n. Riverside Peninsular Range: Wildomar, west of Grand Ave off Sweet Nectar Rd.; 0 415 Comment
  RSA0119893  Astragalus tricarinatus Duncan S. Bell, Thomas Stoughton 2016-4-12 9214 Riverside Santa Rosa Mountains; eastern side of Martinez Mountain; in a side canyon off of Martinez Canyon, approximately 3.5 air miles southwest of the junction of Agua Alta Canyon and Martinez Canyon. 861 Comment
  UCR37629  Astragalus tricarinatus George K. Helmkamp 1984-5-5 E 5 Riverside Transverse Range, Little San Bernardino Mountains, Big Morongo Canyon, 4 road miles below the caretaker's house at the Big Morongo Preserve 549 Comment
  RSA0086760  Athysanus pusillus R. G. Swinney 1967-5-26 11729 Riverside Snow Creek. 335 Comment
  POM254744  Atrichoseris platyphylla Philip A. Munz 1940-3-24 15696 Riverside 3 miles south of Cottonwood Springs, Eagle Mts 457 Comment
  UC70077  Atrichoseris platyphylla E. E. Schellenger 1905-4-1 Riverside Santa Maria Mts Colorado Desert, Santa Maria Mts. Comment
  UCSB9777  Atrichoseris platyphylla Haller, John 1958-3-22 Riverside Immediately S. of Hwys 60-70, 5.8 miles E. of Desert Center Comment
  UCR93047  Atriplex argentea Steve Boyd 1985-8-7 1117 Riverside Santa Rosa Plateau, Murrieta area, Clinton Keith Rd. near (just east of) Bear Creek golf course Comment
  POM278696  Atriplex canescens Grant D. Brown 1950-3-19 526 Riverside 4 miles NW of Gilman Hot Springs on hyway #79 Comment
  POM278726  Atriplex canescens Grant D. Brown 1950-12-2 591 Riverside Mockingbird Canyon, about 4 miles up the canyon 412 Comment
  RSA5458  Atriplex canescens C. B. Wolf 1932-10-13 s.n. Riverside Cottonwood Springs. Eagle Mountains 290 Comment
  SD229126  Atriplex canescens Dick Schwenkmeyer 2012-11-6 876 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
  SEINET3930704  Atriplex canescens Howard Stutz 1977-11-17 8192 Riverside East of Cabazon, Plants abundant.; 0 Comment
  UC206814  Atriplex coronata G. R. Vasey 1880-1 549 Riverside San Jacinto Valley Comment
  RSA748735  Atriplex coronata var. notatior Karin Cleary-Rose, G. Nuhn 1995-7-20 s.n. Riverside 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
  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
  UCR70516  Atriplex coronata var. notatior D. E. Bramlet 1991-6-1 2180 Riverside San Jacinto Valley, San Jacinto River, 3 km west of Nuevo, and c. 20 m east of the river, about 300 m south of the end of 11th Street 473 Comment
  UCR70526  Atriplex coronata var. notatior D. E. Bramlet 1991-6-19 2196 Riverside Perris-Aguanga Basin region, San Jacinto River area, c. 1.8 km south of intersection of Pozos Ave. & Ramona Expressway; c. 500 m west of the river & 2 m east of Pozos Ave. 473 Comment
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Dec 9 2014
  RSA0089557  Atriplex elegans Jeremiah George 2014-12-11 s.n. Riverside San Gorgonio Pass Region: Beaumont, just south of West 4th St. at end of small paved spur road, area boxed in by commercial development. 772 Comment
  CAS-BOT-BC354030  Atriplex elegans var. elegans R. E. Riefner, Jr. 2013-8-17 13 -192 Riverside City of Lake Elsinore, along Collier St. E ca 0.2 mi from Hwy. 74, near storage shed 394 Comment
  OBI17313  Atriplex hymenelytra H. E. McMinn 1937-3-6 5014 Riverside River road about 40 mi N of Blythe Comment
  JEPS59599  Atriplex lentiformis S. B. Parish 1912-10-10 8264 Riverside Mecca Salton Basin, Mecca -57 Comment
  SEINET4136500  Atriplex lentiformis Steven K. Langer 1994-4-6 s.n. Riverside West side of State Hwy. 11, south side of Coachella.; 0 30 Comment
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Jul 19 2015
  UCR49995  Atriplex lentiformis Theo Glenn 1984-10-2 s.n. Riverside Western Colorado Desert, Coachella Valley, Thousand Palms Oasis, in the Indio Hills 168 Comment
  SBBG72554  Atriplex lentiformis subsp. breweri M. D. Clary -Oct-1929 423 Riverside Coachella Valley -13 Comment
  CAS-BOT-BC176534  Atriplex polycarpa Milo S. Baker 1928-4-3 2775 b Riverside Palm [Canon] Canyon Comment
  CAS-BOT-BC176539  Atriplex polycarpa Lewis S. Rose 1961-11-24 61068 Riverside La Quinta 15 Comment
  UCR281866  Atriplex polycarpa A. C. Sanders, Jim Malusa 2017-9-22 43374 Riverside Sonoran (Colorado) Desert, Arroyo Seco between Chuckwalla and Chocolate Mountains, at edge of Chocolate Mtns. Aerial Gunnery Range along Bradshaw Trail, c. 5 km NNE of Surveyors Pass 655 Comment
  SEINET4136178  Atriplex serenana T. B. Salvato, Melissa Clemons 2005-6-23 1305 Riverside Penninsular Range; Temescal Valley: Walker Canyon, 1.5 mi due E of Alberhill, N of Hwy I-15; 0 412 Comment
  UCR206019  Atriplex serenana var. serenana John F. Green 2009-7-13 s.n. Riverside Peninsular Range, Elsinore Trough, NE side of the city of Lake Elsinore, east side of Pasadena St. north of Central Ave. 384 Comment
  UCR261155  Atriplex serenana var. serenana A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-5-18 41721 Riverside Esinore, large vacant lot south of the intersection of 3rd St. and Pasadena St. 387 Comment
  UCR49993  Atriplex suberecta S. J. Myers 1987-10-27 s.n. Riverside Peninsular Range; Santa Ana Mtns., c. 3 mi. west of Temecula, NE portion of Santa Rosa Plateau, 3/4 mi. east of Walker Basin 488 Comment
  HSC83019  Avena barbata Miles Fellows 1985-3-16 120 Riverside Oasis de Los Osos Perserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi. W of Snow Creek Village 488 Comment
  UC1979684  Avena barbata Darin L. Banks, Steve Boyd 1995-5-9 354 Riverside NW Palomar Mtns., N of the Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. Comment
  RSA0085059  Avena barbata Mary Duke, Christy Hightower, Cecilia McElroy 1982-5-15 15 Riverside CA Hwy 74, just off highway E of Elsinore, 1 mi W of Hwy 15. Comment
  RSA779437  Avena fatua A. C. Sanders 1998-1-15 21647 Riverside along old Rawson Rd. just north of Crown Valley, above Diamond Valley at waterline of proposed reservoir 518 Comment
  RSA496469  Avena fatua Steve Boyd 1989-3-19 3047 Riverside Vail Lake area, 0.75 mile NW of dam. 622 Comment
  UCR116795  Avena sativa A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24151 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  POM13868  Azolla filiculoides Philip A. Munz 1922-4-29 5099 Riverside Dripping Springs, near Temecula Creek 518 Comment
  POM320339  Baccharis emoryi Patricia Wilder 1971-11-17 5320 Riverside Along the Santa Ana River at end of Pedlay Sreet, north of Norco. 198 Comment
  RSA350335  Baccharis emoryi L. C. Wheeler 1933-12-12 2316 Riverside Along irrigation ditch in semi shade US 99 2 miles NW Whitewater Station, Riverside 366 Comment
  CAS-BOT-BC106703  Baccharis salicifolia C. L. Hitchcock 1940-4-12 6048 Riverside 8 mi. northwest of Elsinore 457 Comment
  SD229074  Baccharis salicifolia Dick Schwenkmeyer 2012-11-6 880 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
  RSA0031548  Baccharis sarothroides Duncan S. Bell 2013-1-30 4438 Riverside The Mecca Hills; in an unnamed canyon between Thermal Canyon and Painted Canyon, just to the west of Mecca Hills peak 1642. 138 Comment
  IRVC511  Baccharis sergiloides Pat McClellan 1965-5-9 none Riverside Palm Springs Sonoran Desert Comment
  IRVC512  Baccharis sergiloides D. Christy 1965-4-17 Riverside Palm Springs Sonoran Desert Comment
  POM153357  Baccharis sergiloides Philip A. Munz, I. M. Johnston 1928-9-6 11238 Riverside Morongo Creek, Colorado Desert 610 Comment
  RSA588674  Baccharis sergiloides Darin L. Banks, Steve Boyd 1995-10-26 0831 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Woodchuck Trail, at the large grassland area along the upper trail. Approximately 1.6 miles from the Wilderness boundary. 939 Comment
  UCR130082  Bacopa monnieri G. R. Ballmer 2003-11-22 s.n. Riverside Colorado River Valley, Northern Paloverde Valley, east of Hwy 95, c. 5 miles NE of Blythe, east end of 2nd Ave. 87 Comment
  CAS-BOT-BC99962  Baileya pauciradiata N. Aitkenhead 1977-2-1 2110 Riverside 1000 Palms Sand Dune Natural Area Comment
  JEPS20785  Baileya pauciradiata Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13232 Riverside 2.4 mi s of Rice (on road to Midland and Blythe) Comment
  UC30493  Baileya pauciradiata S. B. Parish Apr 4 1896-Apr 13 1896 4125 Riverside Palm Springs (Agua Caliente) San Jacinto Mt. 152 Comment
  JOTR35998  Baileya pleniradiata Harding, Mitzi, Mark Wheeler 2012-9-4 209 Riverside Joshua Tree National Park. Clark's Pass; low area of mud flats surrounded by fine sand hills, just south of Highway 62 (stop 5) 538 Comment
  UC69034  Baileya pleniradiata H. M. Hall 1905-4-1 5912 Riverside near Paloverde; Colorado Desert 91 Comment
  POM7070  Bebbia juncea Philip A. Munz 1919-5-7 2720 Riverside Mouth of Tahquitz Canyon. Comment
  RSA1371  Bebbia juncea B. D. Stark 1930-2-21 1468 Riverside Hidden Canyon, near Corona, Santa Ana Mts. Comment
  UCR167806  Bebbia juncea T. B. Salvato, Melissa Clemons 2005-6-23 1311 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  UCR21160  Bebbia juncea Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  CAS-BOT-BC100138  Bebbia juncea var. aspera Joy Keck 1935-4-15 3838 Riverside Lower Morongo Canyon Comment
  HSC78521  Bergia texana J. C. Roos 1952-5-28 5730 Riverside San Jacinto River bottomland, 1 mi. SE of Perris. 427 Comment
  UCR110407  Bergia texana A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23177 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. east of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  UC667315  Bernardia incana Annie M. Alexander and Louise Kellogg 1941-5-10 2144 Riverside small canyon 3 mi. n.e. Cottonwood Spring (Eagle Mts.); Colorado Desert, Eagle Mts. 1036 Comment
  UCD166279  Bernardia incana Jack Major 1962-4-18 793 Riverside Just below Pinyon Flat on CA HWY 74. (Exact location unknown. Coordinates estimated by label maker.) 1188 Comment
  NY43196  Bernardia myricifolia J. B. Walker 1995-5-3 1405 Riverside S of Palm Desert, along Hwy 74, 3km E of Pinyon Flats Campground 1200 Comment
  UCR239929  Bidens frondosa O. F. Clarke 2004-7-5 s.n. Riverside Louis Rubidoux Nature Center at RR bridge, Santa Ana River near Riverside 155 Comment
  CSUSB17  Bloomeria crocea Barry Glaser 1964-4-21 640421 6 Riverside Box Springs Mountains Box Springs Mountains. 0.3 miles beyond end of Blaine. 365 Comment
  JEPS5208  Bloomeria crocea W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1334 Riverside Van Deventer's Ranch Comment
  RSA619551  Bloomeria crocea Darin L. Banks 1997-5-5 1999 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
  RSA180309  Bloomeria crocea var. crocea E. W. Lathrop 1965-5-30 5786 Riverside 6 miles W of Murrieta. Comment
  UCR13711  Boechera californica N. R. Zabriskie, W. W. Zabriskie 1972-6-18 524 Riverside Peninsular Range; San Jacinto Mtns., along fire road south of the S end of Marion Ridge Rd., Pine Cove, NW of Idyllwild 1939 Comment
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Dec 25 2013
  JEPS53108  Boechera perennans W. L. Jepson 1901-5-25 1454 Riverside Coyote Canyon Santa Rosa mts. Comment
  SD129258  Boerhavia coccinea A. C. Sanders 1989-9-19 9510 Riverside Chocolate Mountains Aerial Gunnery Range: 1.75 km (airline) south of Tabaseca Tank, along the wash above Tabaseca Target, along wash. UTM: 11S PH-35E, 07N 680 Comment
  VVC2319  Boerhavia coulteri Tim Thomas, Alice Karl 2011-10-18 5527 Riverside Sonoran Desert, Hayfield Lake 4 miles east of Chiriaco Summit; just north of Hwy 10. In northwest portion of lake bed. 437 Comment
  GMDRC3103  Boerhavia triquetra J. Andre, T. La Doux 2008-9-13 10264 Riverside Chuckwalla Valley: along Hwy 177 (northwest side), southeast end of Coxcomb Mountains 33 deg. 48.724' N 115 deg. 16.87' W. Elev. 527 ft. 161 Comment
  SD241902  Boerhavia triquetra var. intermedia Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6014 Riverside Chuckwalla Valley; south side of Interstate 10, approximately 16 air miles west of Blythe and about 2 air miles southeast of Wileys Well. 121 Comment
  SEINET3142562  Boerhavia wrightii M. Denslow 2003-9-14 1569 Riverside Colorado Desert; Western Colorado Desert region: Maniobra Valley, Chiraco Summit Road off I-10 . (Hayfield Quad) Comment
  CAS-BOT-BC145587  Bouteloua aristidoides J. C. Roos 1965-9-5 s.n. Riverside Desert Center. Comment
  RSA192671  Bouteloua aristidoides Marcus E. Jones 1929-9-16 24721 Riverside Hayfield, Near Desert Center. Colorado Desert. Comment
  SEINET10519835  Bouteloua aristidoides F. R. Fosberg 1932-1 Fosberg 8073 Riverside Thousand Palms. Comment
  RSA718573  Bouteloua barbata Michael Honer, L. Hulse 2004-4-3 1892 Riverside Nameless canyon appx. 1 mi. W of Pushawalla Cyn., leading up to MWD aqueduct. 488 Comment
  SEINET3221555 Image available Bouteloua barbata E. R. Blakley 1961-9-12 4713 Riverside Pinyon Flat, Palms to Pines Highway Comment
  JOTR32106  Bouteloua barbata var. barbata Harding, Mitzi, Kipp Callahan 2012-8-27 281 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  RSA543740  Bowlesia incana Steve Boyd, Tim Ross, Mike Hammitt 1991-5-2 6034 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
  UCR137044  Bowlesia incana A. C. Sanders 2004-5-5 27771 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  UCR41527  Bowlesia incana A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6083 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  LA105191  Boykinia rotundifolia Frank C. Vasek; 1987-7-14 870714 -1 Riverside San Jacinto Mountains, San Jacinto Mountains, Vista Grande Road (3S08) 1.0 mi E of Banning-Idyllwild Road (SH243) 1523 Comment
  RSA184555  Brandegea bigelovii C. L. Hitchcock 1932-4-7 12198 Riverside Corn Springs. Comment
  SBBG122883  Brandegea bigelovii S. D. White 2005-4-14 10893 Riverside bajada beneath Mecca Hills, just E of Coachella Canal 24 Comment
  SEINET3106051  Brandegea bigelovii Sears 1978-3-16 802 Riverside 10 mi N of Blythe along road to Midland. 229 Comment
  UCR103555  Brandegea bigelovii George K. Helmkamp, E. A. Helmkamp 1998-1-17 2530 Riverside Coachella Valley, Bob Hope Drive, 0.9 mi south of Hwy I-10 43 Comment
  SEINET8550766  Brandegea bigelovii R. H. Peebles, H. F. Loomis 1930-4-6 121 Riverside Shaver's Well. Comment
  UCR5972  Brassica rapa Steve Stadler 1966-3-10 31066- 23 Riverside Peninsular Range, Corona Area. Located 1 mi east of Corona along old Temescal Road 1/4 mi north of Rimpau Ave. Corner of Old Temescal Rd. and Rimpau is 1/2 mi west of the John Manuill Fiberglass Plant. 213 Comment
  RSA0102675  Brassica tournefortii Scott D. White 2003-3-23 8844 Riverside Santa Rosa Mountains: Desert slope; Hwy 74 near Carrizo Creek crossing. 610 Comment
  RSA0123356  Brassica tournefortii Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9048 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
  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
  RSA708054  Brassica tournefortii Scott D. White, Angelia Carey 2004-4-16 10171 Riverside Indian Creek and adjacent slopes. 549 Comment
  RSA775337  Brassica tournefortii Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5023 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm)., between N34.00456, W116.67238 and N33.99629 and W116.66010 750 Comment
  UC1929782  Brassica tournefortii Scott D. White 2003-3-23 8844 Riverside SANTA ROSA MOUNTAINS: Desert slope; Hwy 74 near Carrizo Creek crossing. Comment
  RSA1372  Brickellia arguta C. B. Wolf 1930-5-4 831 Riverside Morongo Pass Comment
  RSA5360  Brickellia arguta B. D. Stark 1932-6-17 1530 Riverside Canyons above Cottonwood Springs, Eagle Mts., Colorado Desert 396 Comment
  RSA191409  Brickellia californica E. W. Lathrop, R. F. Thorne 1967-9-26 6617 Riverside Tenaja Guard Station, 10 miles NW of Murrieta. Comment
  UCR100379  Brickellia californica A. C. Sanders, T. Tennant, A. Montalvo & B. Wagner 1997-11-20 21610 Riverside Lake Skinner Reserve area, Diamond Valley, canyon along Rawson Road going into hills toward Crown Valley 518 Comment
  UC501618  Brodiaea filifolia Frank W. Peirson 1930-5-10 8772 Riverside 1 mi E of Perris 457 Comment
  RSA678935  Brodiaea orcuttii Scott D. White, Michael Honer 2003-6-3 9478 Riverside Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UCR193123  Brodiaea terrestris A. C. Sanders, Tim Thomas 2008-6-20 35554 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  UCR23233  Brodiaea terrestris subsp. kernensis Melody Lardner 1981-5-31 195 Riverside Santa Ana Mtns, Tenaja Rd., 2.5 mi from the corner of Calle Collina Rd. and Tenaja Rd., 0.5 mi east of Squaw Mtn 610 Comment
  RSA561879  Bromus arenarius Steve Boyd, Timothy S. Ross 1992-6-10 7630 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about 'Potrero Escondido',, an isolated area of low relief topping the ridge system due west of the junction on Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek 671 Comment
  SEINET1906759  Bromus arizonicus A. C. Sanders, K. Rose & D. Woodard 1995-1 16221 Riverside San Gorgonia Pass/San Jacinto Mountains: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave., W of Snow Creek, E of Cabazon. 390 Comment
  UCR54250  Bromus carinatus David Charlton 1988-5-21 1921 Riverside San Jacinto Mtns., Thomas Mtn Rd, west of Garner Valley and south of Lake Hemet on Hwy 74 1829 Comment
  RSA0037319  Bromus carinatus John F. Emmel 1993-5-30 1263 Riverside San Jacinto Mts.; along Pacific Crest Trail 0.3-0.6 mile SE of Fobes Saddle. 1859 Comment
  UCD58347  Bromus catharticus C. R. Hursh 1919-11-30 s.n. Riverside 1 mile north of Riverside. 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
  RSA564647  Bromus inermis A. C. Sanders 1980-7-22 1726 Riverside San Jacinto Mountains. Dutchman's Flat in Bear Trap Canyon about 1 mile (airline) west of Idyllwild. 1814 Comment
  SDSU13487  Bromus madritensis subsp. rubens Joseph Verfaillie, Shasta Gaughen 2000-4-29 52 Riverside Santa Margarita Eclogical Reserve North side. The south side of the river just west of the the old pipeline crossing. 235 Comment
  UC1583851  Bromus richardsonii Michael Curto and Linda Allen 1990-8-23 693 Riverside 2 km e of Toro Campground (Santa Rosa Mountains, Toro Peak, Santa Rosa Mt. Rd (SBNF 7S02); along the n slope of Santa Rosa/Toro Peaks); Santa Rosa Mountains, Toro Peak, Santa Rosa Mt. Rd 2415 Comment
  POM7101  Bromus rubens P. A. Munz, L. T. Street, G. Williams 1919-3-28 2365 Riverside Cabazon. Comment
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Mar 13 2011
  POM12135  Bromus rubens Mary F. Spencer 1920-4-5 1547 Riverside Palm Springs, Colorado Desert. 122 Comment
  CLARK-A1528-48  Bromus tectorum C. M. Flanagan 1973-4-26 OO 319 Riverside Morongo Indian Reservation 1158 Comment
  RSA0013037  Bromus tectorum LeRoy Gross, Caitlin Elam 2013-5-14 6054 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
  RSA593913  Bromus tectorum Steve Boyd, Dave Bramlet 1996-4-19 8598 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
  RSA613628  Bromus tectorum D. L. Banks, Victor Steinmann 1997-3-13 1489 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  UCR94235  Bromus tectorum Scott D. White 1996-4-14 3911 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
  UC1007233  Bromus trinii P. A. Munz 1940-3-24 15706 Riverside 2 mi n of Cottonwood Springs (Eagle Mountains); Eagle Mountains 914 Comment
  SEINET12160519  Caesalpinia virgata Unknown 1936-1 12788 Riverside Colorado Desert N of Palm Springs Comment
  RSA650084  Calandrinia ciliata Marion P. Harthill 1976-5-6 s.n. Riverside Rancho California. 762 Comment
  UCR60512  Callitriche marginata R. F. Thorne 1973-5-23 43842 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  UCSB9236  Calocedrus decurrens Wilson, Richard 1958-5-17 Riverside 15 miles SE of Banning on State 14 Lower Montane Community 1524 Comment
  CLARK-A1528-3185  Calochortus albus John C. Roos 1960-5-30 Riverside Santa Ana Mountains Comment
  UC489219  Calochortus invenustus C. V. Meyer 1928-7-26 546 Riverside w slope San Jacinto Peak 2895 Comment
  UCR85198  Calochortus plummerae M. J. Wangler 1995-6-6 s.n. Riverside Riverside: Western foot of the Box Springs Mtns. Above the bend in the Santa Fe RR near the east end of Linden Street. north of Big Springs Canyon and south of Two Trees Canyon 396 Comment
  IRVC2495  Calochortus splendens D. C. 1965-4-27 s.n. Riverside Palm Springs Sonoran Desert Comment
  RSA87938  Calochortus splendens Verne Grant 1954-6-10 9393 Riverside Keen Camp Summit, San Jacinto Mountains. Alt. 4900 ft. 1494 Comment
  SDSU21841  Calochortus splendens Kalee Koeslag, Allen Schellerup 2016-4-16 6 Riverside Santa Margarita Ecological Reserve, in Stone Creek woodland old road off of Red Mountian Truck Trail 212 Comment
  UCR16610  Calochortus splendens Joe Buriel 1966-4-6 s.n. Riverside 0.5 mi. west of Lake Mathews on Cajalco Road 457 Comment
  RSA16364  Calochortus weedii Percy C. Everett 1935-6-17 7168 Riverside Santa Ana Mountains, Coldwater Canyon trail to Santiago Peak, 2 miles above Glen Ivy Resort. 610 Comment
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May 22 2012
  RSA360017  Calochortus weedii Gale Sphon 1955-6-23 s.n. Riverside Horsethief Canyon, Elsinore Mountains. Comment
  UCR51535  Calochortus weedii var. weedii Tom Feldman 1988-5-30 035 Riverside Santa Ana Mtns., Calle Capistrano, 0.6 mi south of Rancho California Road and 4 mi west of Hwy 15 488 Comment
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Nov 17 2014
  UCD129988  Calycoseris parryi William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  RSA554368  Calycoseris wrightii Theo Glenn 1992-3-31 92 -14 Riverside N side Eagle Mts, Storm Jade Mine. Comment
  SBBG104076  Calycoseris wrightii A. C. Sanders, E. J. Lawlor 1992-4-4 12114 Riverside within 0.5 mi of McCoy Spring 243 Comment
  SEINET214666  Calyptridium monandrum N. H. Holmgren, PK Holmgren; R. E. Kern 1973-3-23 6483 Riverside At S entrance to Joshua Tree Nat'l Monument near Interstate 10 24 mi E of Indio 549 Comment
  RSA719788  Calyptridium parryi var. parryi Naomi Fraga, John McDonald, Michael Wall 2006-11-16 1875 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  UCR20549  Calystegia fulcrata W. W. Mayhew 1977-7-5 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1835 Comment
  CAS-BOT-BC221308  Calystegia macrostegia subsp. intermedia Scott D. White 1996-4-14 3919 Riverside Perris Basin. E of Hemet: San Jacinto River Wash near Valle Vista, N of Hwy. 74, ca. 1.7 mi W of USFS Cranston Fire Station 550 Comment
  CAS-BOT-BC221318  Calystegia macrostegia subsp. tenuifolia Peter H. Raven 1959-4-23 14024 Riverside 5.1 miles west of Dripping Springs Comment
  POM78927  Calystegia macrostegia subsp. tenuifolia I. M. Johnston 1925-7-1 s.n. Riverside Along Ontario Road, 3 miles W of Riverside. Comment
  RSA465928  Camissonia bistorta Christopher Davidson 1973-4-1 1798 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  RSA524436  Camissonia bistorta Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4052 Riverside Vail Lake area, E flank of Big Oak Mtn, S of E summit. 610 Comment
  RSA786546  Camissonia bistorta Mary Sauls 1978-4-15 115 Riverside 0.5 mi S of Glen Eden Road on Calif. Hwy 71. Comment
  SEINET7067554  Camissonia bistorta A. G. Vestal 1947-6-13 s.n. Riverside About 5.3 miles northeast of De Luz on the De Luz-Murrieta Road. Coordinate datum: NAD27. UTM Zone 11, 476330mE, 3704636mN. Comment
  UCR213396  Camissonia boothii A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37465 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  RSA795944  Camissonia boothii subsp. condensata Duncan S. Bell 2009-4-19 276 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  RSA13452  Camissonia californica P. A. Munz 1922-5-19 5363 Riverside 5 miles NE of Murietta. 457 Comment
  RSA720296  Camissonia californica Mitch Provance, J. S. Ross 1998-3-27 1003 Riverside Morongo Indian Reservation, road to Lion Canyon, ca. 1 mi. NE of the town of Cabazon. 549 Comment
  RSA775220  Camissonia californica Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4438 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 488 Comment
  UCR120810  Camissonia californica Ian G. Gillespie 2000-4-16 5 Riverside Box Springs Mtns., Two Trees Canyon. 70 m up the trail from Two Trees trailhead 457 Comment
  UCR177847  Camissonia californica Marisa Sripracha, K. A. Boyd 2004-3-21 050 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  POM255920  Camissonia cardiophylla C. L. Hitchcock 1940-4-1 5899 Riverside 1 mi. below Cottonwood Springs. Joshua Tree Nat. Monument. Comment
  CLARK-A1528-5363  Camissonia claviformis John C. Roos 1947-2-15 3267 Riverside Eagle Mountains Comment
  POM265109  Camissonia claviformis subsp. aurantiaca I. L. Wiggins 1937-3-9 8759 Riverside 5 miles west of Shaver's Well. Comment
  RSA448931  Camissonia claviformis subsp. aurantiaca P. A. Munz 1930-4-6 13708 Riverside 1000 Palms. Comment
  RSA449192  Camissonia claviformis subsp. aurantiaca E. S. Spalding 1926-2-13 s.n. Riverside Colorado Desert. Calif. Painted Canon. Comment
  UCR226856  Camissonia claviformis subsp. aurantiaca Jim Andre 2011-2-9 15932 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
  UCR36042  Camissonia confusa R. F. Thorne, Et al. 1983-4-23 55481 Riverside San Bernardino Mtns, Sandy wash along Whitewater River where road crosses river below fish hatchery, c. 4 mi north of Whitewater Post Office 640 Comment
  UCR99184  Camissonia confusa S. J. Myers 1991-4-15 91- 2 Riverside City of Banning, west of Fields Road, north of I-10 and south of the Morongo Indian Reservation. 671 Comment
  RSA527859  Camissonia ignota Scott D. White 1991-5-10 91 -150 Riverside Hwy 79, immediately W of U. S. Forest Service campground at Dripping Springs. 549 Comment
  RSA500214  Camissonia intermedia Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3529 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA716402  Camissonia strigulosa Scott D. White, Angelia Carey 2004-4-5 10012 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UC454559  Camissonia strigulosa I. J. Condit 1910-6-24 Riverside San Jacinto Mts. 914 Comment
  UCSB24361  Camissonia strigulosa Meyer, Carl 1927-6-1 Riverside San Jacinto Mts, Saunder's Meadow Comment
  UCSB42114  Camissonia strigulosa Roos, John 1965-6-13 Riverside Mountain Center, San Jacinto Mtns Comment
  UC454581  Camissoniopsis bistorta I. J. Condit 1910-6-24 Riverside Idyllwild San Jacinto Mts. 914 Comment
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Mar 21 2011
  UCR261170  Camissoniopsis bistorta A. C. Sanders, Katie Young, John Hale 2015-4-22 41605 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 2 km south of I-10, 1 km NW (303 deg. ) of One Horse Spring 459 Comment
  UCR166100  Camissoniopsis pallida subsp. hallii A. C. Sanders 1995-4-13 16511 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Devil's Garden, E end of the mtns., 2.1 mi west of Hwy 62 on Pierson Avenue and dirt extension, 1.7 mi above Sierra Blvd. 793 Comment
  SEINET3507531 Image available Capsella bursa-pastoris K. S. Gill 1965-3-28 Riverside 1.2 mile north of corner of Wood and Roberts roads in Woodcrest. Comment
  CAS-BOT-BC281703  Carduus pycnocephalus T. C. Fuller 1962-6-6 8847 Riverside On road cut, National Orange Co. prop., E extension of Palmrita Ave., 2.5 miles E of Iowa Ave, Highgrove Comment
  RSA495446  Carex Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2974 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  UCR109645  Carex T. W. Fisher, R. E. Orth 1964-6-25 s.n. Riverside San Jacinto Mtns., Lake Hemet near stream 1311 Comment
  UCR25014  Carex alma George K. Helmkamp 1981-6-25 s.n. Riverside San Jacinto Mountains, Idyllwild. Strawberry Creek c. 200 yards south of the bridge near the U.S.C. campus. Comment
  RSA764196  Carex senta Scott D. White, Justin M. Wood 2008-6-18 12221 Riverside K Flat Meadow. 1433 Comment
  UCR114742  Cassia nemophila A. C. Sanders, K. C. Rose 1999-5-28 22794 Riverside Coachella Valley, between La Quinta and Indio, along Jefferson St. between Ave 54 and I-10 10 Comment
  RSA400521  Castilleja angustifolia Frances L. Cramer 1941-5-3 20325 Riverside Joshua Tree National Monument Comment
  JEPS13641  Castilleja applegatei subsp. martinii Peter Kamb 1948-7-3 1145 Riverside Hall Canyon San Jacinto Mts. 1645 Comment
  RSA0010962  Castilleja applegatei subsp. martinii Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 636 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA448695  Castilleja applegatei subsp. martinii N. C. Cooper 1945-5-24 1624 Riverside Big Oaks Canyon, Banning. 1220 Comment
  UC1536021  Castilleja exserta Robert F. Thorne and Earl Lathrop 1975-5-20 45511 Riverside Rancho California, Mesa de Burro; Santa Rosa Plateau, Mesa de Burro 609 Comment
  UCR269903  Castilleja exserta D. E. Bramlet, Amy Hills, R. E. Riefner Jr., Russell Huddleston 2005-3-2 3660 Riverside Perris-Agunaga Basin Region; San Jacinto Valley, west of Hemet, east of San Diego Canal, west of Warren Rd., south of Hwy 74, north of W Stetson Ave. 457 Comment
  RSA0010928  Castilleja exserta subsp. exserta N. C. Cooper 1944-3-25 1000 Riverside Cabazon. 457 Comment
  POM310144  Castilleja foliolosa Hulda Crooks 1946-4-15 346 Riverside 29 Palms Canyon 396 Comment
  POM4315  Castilleja foliolosa L. T. Street, Durant 1918-5-12 s.n. Riverside San Jacinto River Canyon. Comment
  JEPS3840  Castilleja miniata I. W. Clokey 1935-4-17 6865 Riverside Cottonwood Springs Comment
  CAS-BOT-BC41018  Caulanthus flavescens K. Watkins; L. Erickson 1937-4-10 s.n. Riverside Palms to Pines highway near road to Shumay. Comment
  CAS-BOT-BC41091  Caulanthus hallii Philip A. Munz 1937-5-30 15093 Riverside Northwest slope of Santa Rosa Mountains. 1828 Comment
  HSC92880  Caulanthus heterophyllus Karen Kirtland 1993-4-17 Riverside Hills N of Temecula Comment
  JEPS9271  Caulanthus heterophyllus Rimo Bacigalupi with J. F. MacBride, Ruth D. Sanderson, and C. Leroy Custer 1952-4-1 3597 Riverside near summit of first grade 2 mi e Aguanga (on road to Anza); e of Aguanga 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
  RSA746820  Caulanthus heterophyllus Michael Honer 2003-4-16 1832 Riverside Gavilan Hills, W slope: about 1 mile N of I-15 freeway, 1 mile E of Lake St. exit. On and around peak 2349 640 Comment
  UCR194202  Caulanthus heterophyllus Scott D. White 2006-4-27 11304 Riverside Perris Basin/San Jacinto Mtn Foothills, Santa Rosa Hills, south of Hemet 610 Comment
  SBBG2444  Caulanthus lasiophyllus K. K. Muller 1958-3-21 907 Riverside Whitewater Cyn, 1.5 mi N of Interstate 70 Comment
  RSA574732  Caulanthus lasiophyllus var. rigidus Steve Boyd 1981-4-15 s.n. Riverside Gavilan Hills region, flats at the north base of the range, south of Lake Mathews, south of Cajalco Road. 457 Comment
  UCR86710  Caulanthus simulans Jeri Hirshberg 1995-5-30 s.n. Riverside San Jacinto Mtns, Edge of Bonita Vista Rd. about 1 mi west of intersection with Apple Canyon Road. 1585 Comment
  POM19808  Ceanothus cordulatus Mary F. Spencer 1923-6-27 2188 Riverside Idyllwild, San Jacinto Mt. 1646 Comment
  RSA501020  Ceanothus crassifolius Steve Boyd, Tim S. Ross, L. Arnseth 1989-4-1 3139 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  SD136771  Ceanothus crassifolius Steve Boyd, Kyle Boyd 1993-3-28 7921 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road. 792 Comment
  RSA510026  Ceanothus crassifolius B. Pitzer, E. Misquez 1988-2-28 619 Riverside 2 mi s of Rancho California Road (sw of Murrieta, Walker Basin, Avenida del Oro); Walker Basin, Avenida del Oro. Comment
  RSA575056  Ceanothus cuneatus Steve Boyd 1981-3-4 810304 -J 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
  RSA701745  Ceanothus cuneatus Steve Boyd, Valerie Soza 2004-6-22 11542 Riverside Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along forest service road 5N13 near 5N06. 1463 Comment
  UCR241178  Ceanothus cuneatus Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 48 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Canyon above woodland stand H-01, toward Burro Flat 951 Comment
  RSA33782  Ceanothus greggii var. perplexans N. C. Cooper 1944-5-20 1270 Riverside Palms to Pines Highway [Hwy 74], San Jacinto Mountains. 1280 Comment
  RSA0028382  Ceanothus leucodermis N. Cooper 1944-6-17 1444 Riverside San Jacinto Mts. Pine Cove. 1524 Comment
  RSA0060582  Ceanothus leucodermis Bob Rogers 1984-5-5 31 Riverside Collected along a trail bordering the West side of Fuller Mill Creek heading upstream. Starting point was on the North side of hwy 243, 11.6 miles from hwy 74/hwy243 jctn. 1524 Comment
  LA44926  Ceanothus oliganthus var. sorediatus W. E. Pequegnat; 1939-4-8 sn Riverside Santa Ana Mountains, Coldwater Trail 731 Comment
  RSA569998  Ceanothus ophiochilus Steve Boyd, Kyle Boyd 1993-3-28 7914 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road. 792 Comment
  RSA570221  Ceanothus ophiochilus Steve Boyd, Tim S. Ross 1993-3-23 7890 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
  UCR79354  Ceanothus ophiochilus Steve Boyd, K. Berg, Sandy Morey, Jon E. Keeley 1992-5-3 7169 A Riverside Peninsular Range, Vail Lake area: ridge about 1 mi. west of lake, east of 'Little' Oak Mt. 610 Comment
  RSA0019595  Ceanothus palmeri Scott D. White, Justin M. Wood 2008-6-5 12059 Riverside San Jacinto Mountains: Hwy 243 near Poppet Flats 1305 Comment
  LA44916  Ceanothus perplexans H. Lewis; 1939-4-9 sn Riverside Pines to Palms Highway 761 Comment
  LA44919  Ceanothus perplexans Carl Epling; 1927-3-27 sn Riverside Jackrabbit Trail, near Beaumont Comment
  POM305802  Ceanothus spinosus Henry J. Ramsey 1937-4-2 1057 Riverside Elsinore - Capistrano. Comment
  SDSU10418  Ceanothus tomentosus H. Wedberg 1962-5-1 945 Riverside 4.8 miles from Hwy 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. Comment
  UCR138817  Ceanothus tomentosus subsp. olivaceus D. L. Banks 1997-2-17 1284 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside/San Diego County line border 482 Comment
  RSA0057839  Cenchrus ciliaris J. C. Roos 1965-10-17 Riverside Along the roadside, 20 miles west of Blythe. Comment
  UCR42633  Cenchrus echinatus David J. Keil 1980-11-30 s.n. Riverside Sonoran (Colorado) Desert, Vicinity of Indio, agricultural area 15 Comment
  SD227695  Cenchrus spinifex A. C. Sanders, K. C. Rose 1999-5-28 22789 Riverside Coachella Valley: between La Quinta and Indio, along Jefferson St. between Ave 54 and I-10. Disturbed roadside beside a golf course near the intersection with Westward Ho Dr. 17 Comment
  CAS-BOT-BC277181  Centaurea X pouzinii John Thomas Howell 1952-10-24 28864 Riverside Fuller Ranch near Corona Comment
  SEINET269564  Centaurea melitensis Scott D. White 1996-5-27 4076 Riverside Jackrabbit Canyon: east of Moreno Valley and south of Calimesa between State highway 60 and Gilman Spring Road west and 518 Comment
  UC30938  Centaurea melitensis Geo. F. Reinhardt 1897-6-1 Riverside San Jacinto Valley Comment
  RSA263732  Centaurea melitensis E. W. Lathrop 1966-5-17 6518 Riverside 4 mi. W of Corona between Tin Mine Canyon & Santiago Peak, Skyline Dr. 1220 Comment
  UCR178140  Centaurium venustum Tracy Tennant, Jeffrey Ross 1998-7-21 MOR- 648 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Hathaway Canyon, tree stand F-06 915 Comment
  JEPS106969  Centromadia pungens subsp. laevis Jasmine Watts 2005-7-19 3 Riverside Hemet, S of CA-74 and W of Warren Road Comment
  RSA392718  Centrostegia thurberi Christopher Davidson 1973-4-19 1991 Riverside Joshua tree Natl. Monument, various sites along the road, 1-10 miles s of Joshua tree. 1220 Comment
  CSUSB929  Cercidium floridum M. Quinlan 1974-4-18 Riverside Found in Riverside county about 4 miles from Palm Springs in the Agua Caliente Indian Reservation located in the San Andreas canyon. 304 Comment
  RSA453309  Cercocarpus betuloides J. Ewan 1929-6-16 3584 Riverside Lily Creek Canyon. Comment
  RSA575081  Cercocarpus betuloides Steve D. Boyd 1982-4-27 s.n. Riverside Gavilan Hills region, eastern flank of the range in Santa Rosa Canyon, along Santa Rosa Road adjacent to small, old quarry. 610 Comment
  RSA68347  Chaenactis artemisiifolia G. R. Campbell 1951-5-30 16159 Riverside 9 miles west of Anza. 1067 Comment
  UCD130219  Chaenactis artemisiifolia B. Pitzer; A. C. Sanders 1987-4-21 499 Riverside Box Springs Mtns, near southernmost radio towers. 792 Comment
  RSA776947  Chaenactis carphoclinia Amber Swanson 2011-3-19 240 Riverside W of Eagle Mtn Rd to Railroad tracks abt 5 mi N of I-10 307 Comment
  UC1546631  Chaenactis carphoclinia var. carphoclinia Barry A. Prigge 1988-2-21 7853 Riverside 2 mi w of Clemans Well; Colorado Desert, Orocopia Mountains 228 Comment
  UC90145  Chaenactis carphoclinia var. carphoclinia C. R. Orcutt 1889-4-1 Riverside Colorado Desert Comment
  RSA341992  Chaenactis fremontii R. F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54054 Riverside Along Whitewater River, E of bridge and levee. Comment
  SBBG37475  Chaenactis fremontii R. N. Muller 1967-4-8 Riverside ca. 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
  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
  UCR16877  Chaenactis glabriuscula Eric Trubschenck 1972-5-8 8 Riverside Moreno Valley, 12 miles east of Riverside, 1 mi south of intersection of Alessandro Blvd with Wilmot Street 549 Comment
  CAS-BOT-BC277406  Chaenactis glabriuscula var. glabriuscula Anne Constant 1955-3-27 147 Riverside Colorado Desert. Highway 111, between Banning and Palm Springs Comment
  CAS-BOT-BC277416  Chaenactis glabriuscula var. glabriuscula H. M. Hall 1899-5-1 s.n. Riverside San Jacinto Mt. (Van de Venter's [Vandeventer]) 1371 Comment
  POM351763  Chaenactis glabriuscula var. glabriuscula N. C. Cooper 1944-3-25 1029 Riverside Cabazon. 457 Comment
  UCR281277  Chaenactis glabriuscula var. glabriuscula Mitch Provance, Jeremiah George 2017-3-21 317- 10 Riverside Temescal Valley, Horsethief Wash (E branch impeded by development), N of Hwy 15 and NNW of Horsethief Rd., area between Temescal Canyon Rd. and Temescal Creek 357 Comment
  JEPS30445  Chaenactis parishii Peter H. Raven 1959-5-18 14247 Riverside 0.9 mi s of Mountain Crater (on road to Aguanga); San Jacinto Mountains Comment
  CAS-BOT-BC284345  Chaenactis stevioides C. L. Hitchcock 1940-3-29 5853 Riverside Cottonwood Canyon ca. 100 yards east of spring Comment
  JEPS8889  Chaenactis stevioides E. E. Schellenger 1920-5-1 Riverside canon e of Coachella; Colorado Desert Comment
  JOTR37461  Chaenactis stevioides Hodges, Stephen, T. Green 2016-5-5 583 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Upper Covington Flats, southwest from parking area for Covington Crest trail, along the ridge crest (Stop 1) Comment
  UC1922418  Chaenactis stevioides Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1422 Riverside Colorado Desert; Northeastern Colorado Desert region; Along Palen Road near Hwy 177. 170 Comment
  RSA351835  Chaenactis stevioides var. stevioides M. B. Dunkle 1937-3-25 4910 Riverside East of Indio, Colorado Desert. Comment
  RSA559924  Chaenactis stevioides var. stevioides Steve Boyd, Carol Boyd, K. A. Boyd 1992-4-19 6913 Riverside N end of the Granite Mtns on sandy bajada along powerline road near jtn of Hwy 177 and Hwy 62. Area of transition between Mojave and Colorado Deserts. Comment
  SEINET3194781 Image available Chamaesyce abramsiana G. Rink 2011-9-25 11070 Riverside South of I-10 at the Ford Dry Lake Exit, in a swale that sometimes holds water. 110 Comment
  SEINET3365544  Chamaesyce abramsiana G. Rink 2011-10-8 11079 Riverside East of the McCoy Mountains, northwest of Blythe, in a swale that sometimes holds water 170 Comment
  SBBG4022  Chamaesyce micromera H. and M. Dearing 1937-4-9 956 Riverside near Indio Comment
  RSA747798  Chamaesyce polycarpa Scott D. White, Justin M. Wood 2009-3-24 12578 Riverside Western foothills of Mecca Hills, +/- 0.5 air mile east of the Coachella Canal and 4 air miles S of the I-10 Freeway. 21 Comment
  SEINET3089524 Image available Chamaesyce polycarpa Paul D. Wood 1970-5-19 9 -A Riverside At University of Calif. along east bank of path leading to botanical gardens. 259 Comment
  RSA559343  Chamaesyce serpillifolia Steve Boyd, T. S. Ross 1992-5-15 7399 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 670 Comment
  RSA685715  Cheilanthes covillei N. R. Zabriskie, W. M. Zabriskie 1971-4-9 365 Riverside Deep Canyon, north slope Santa Rosa Mountains. Ca. 2 miles on water service road south of Highway 74. 1311 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
  UCR97464  Cheilanthes newberryi B. G. Pitzer 1997-3-23 2999 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
  SEINET3870178  Cheilanthes parryi Lewis S. Rose 1966-12-13 66101 Riverside Palm Springs, Tahquitz Wash.; 0 183 Comment
  SEINET3870277  Cheilanthes parryi Louis C. Wheeler 1964-10-17 8638 Riverside Orocopia Mountains: South of Hayfield Reservoir (lake) Colorado Desert.; 0 Comment
  UCR91550  Cheilanthes parryi A. C. Sanders, C. L. Sanders, L. Lubinsky, A. Knapp, P. J. MacKay 1995-2-12 15925 Riverside Sonoran (Colorado) Desert, Coachella Valley, mouth of East Double Canyon, Little San Bernardino Mtns, 1.4 mi above Aqueduct Rd. 581 Comment
  UCSB30930  Cheilanthes parryi Parker, V. 1974-4-5 Riverside Just outside of the Phillip Boyd Desert Research Station near Palm Desert 289 Comment
  CAS-BOT-BC70384  Cheilanthes viscida S. B. Parish; W. F. Parish 1881-3-1 506 Riverside Whitewater, desert side of San Ber. Mt. 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
  UCR126980  Chenopodium album A. C. Sanders 2002-12-13 25662 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons, basin W18 north of Trilogy Parkway 366 Comment
  CLARK-A1528-2557  Chenopodium ambrosioides var. anthelminticum John C. Roos 1952-6-10 5756 Riverside Santa Ana River 259 Comment
  UCR112646  Chenopodium berlandieri A. C. Sanders, T. B. Salvato 2000-5-30 23435 Riverside Menifee Valley, S of Newport Rd., north of Holland Rd. and east of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  SBBG101707  Chenopodium californicum S. Boyd with T. Ross, M. Hammitt 1991-5-2 6080 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
  SEINET1908503  Chenopodium fremontii A. C. Sanders, Mitch Provance 2008-1 35780 Riverside Peninsular Range; San Jacinto Mtns.; FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station. 1463 Comment
  UCR20896  Chenopodium fremontii A. C. Sanders 1978-8-27 00281 Riverside San Jacinto Mountains, James Reserve, above Lake Fulmor 1646 Comment
  UCR163091  Chenopodium murale B. G. Pitzer, G. R. Ballmer 2000-10-14 4227 Riverside Sonoran (Colorado) Desert, south of eastern Ford Dry Lake, c. 200 yards south of Hwy I-10 off gasline road at large wash, 1 mi. east of Ford Lake Rd. exit, c. 22 miles west of Blythe 110 Comment
  RSA519204  Chenopodium murale M. Lee Overholtzer 1962-6-20 272 Riverside Oak Street and Chase Drive, Corona. Comment
  RSA751253  Chilopsis linearis A. C. Sanders 2008-7-25 35924 Riverside Gilman Springs Road, c. midway between Bridge St. and Lambs Canyon Rd., c. 5.6 mi. (air) ENE of Lakeview 473 Comment
  UCR209593  Chilopsis linearis Robert J. Steers, Stan C. Spencer, Matt Willis 2009-6-1 s.n. Riverside San Gorgonio Pass, near the town of Cabazon, west side of the San Gorgonio River on the Morongo Indian Reservation, c. 0.2 mi. WSW of the corner of Dailey Rd. and Sullivan Rd. 675 Comment
  UCR265201  Chilopsis linearis April Garbat, Kristin Forgrave 2013-5-29 74 Riverside Sonoran (Colorado) Desert, along Box Canyon Road from Cottonwood Springs Road to Mecca 305 Comment
  SEINET9118971  Chilopsis linearis E. Adams 1978-1 Riverside Mecca, Box Canyon. Desert wash. Comment
  JEPS9185  Chilopsis linearis subsp. arcuata W. L. Jepson 1901-5-22 1361 Riverside Palm Canyon to Van de Venter's s. of Palm Springs; San Jacinto Mts. Comment
  POM122462  Chilopsis linearis subsp. arcuata Marcus E. Jones 1926-6-8 S.N. Riverside Whitewater. Colorado Desert. Comment
  RSA455310  Chilopsis linearis subsp. arcuata George R. Johnstone, G. R. Johnstone 1930-4-14 14659 Riverside Shavers Well Comment
  UC219074  Chilopsis linearis subsp. arcuata unknown May 1 1906-May 10 1906 170 a6740 Riverside Palm Springs Colorado Desert, Palm Springs Comment
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Apr 17 2011
  UC21648  Chimaphila menziesii H. M. Hall July, 1901 Riverside vicinity of Deer Springs; San Jacinto Mts. 2590 Comment
  POM11892  Chimaphila umbellata subsp. occidentalis P. A. Munz 1922-7-7 6055 Riverside No fork of Tahquitz Creek. 2134 Comment
  RSA69271  Chimaphila umbellata subsp. occidentalis F. W. Peirson 1924-7-27 5004 Riverside about 1 mile west of Deer Springs, San Jacinto Mts. 2439 Comment
  CAS-BOT-BC474741  Chloris truncata R. E. Riefner, Jr. 2015-10-24 15 -418 Riverside City of Perris, Trumble Rd. at Ethanac Rd., E of I-215 444 Comment
  UCR278836  Chloris truncata Mitch Provance 2012-6-14 712- 13 Riverside Perris Plain, City of Moreno Valley, N side of Hwy. 60, just SE of Perris Blvd. and Elder Ave. 512 Comment
  CAS-BOT-BC184870  Chloris virgata Lewis S. Rose 1957-1-3 57007 Riverside La Quinta. 15 Comment
  JEPS20768  Chorizanthe brevicornu var. brevicornu Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13259 Riverside 2.3 mi above Midland P.O. (U.S. gypsum mine property, Little Maria Mountains); Little Maria Mts., U.S. gypsum mine property Comment
  SD225062  Chorizanthe brevicornu var. brevicornu G. K. Helmkamp 1998-2-5 2639 Riverside Palm Springs, 1.1 mi. W of CA Hwy 111 on Tramway Rd. 334 Comment
  UCSB22185  Chorizanthe brevicornu var. brevicornu Keefe, Joseph 1967-3-23 Riverside Rocky, southwest facing slope above 29 Palms Highway, 3.8 miles north of Mission Creek Road, Morongo Valley. 777 Comment
  UCR48528  Chorizanthe coriacea Steve Boyd 1986-4-19 1697 Riverside Peninsular Range, Temescal Canyon, east side of Indian wash between I-15 and Temescal Canyon Road 351 Comment
  UCR1214  Chorizanthe fimbriata var. fimbriata Standley 1960-5-11 s.n. Riverside Perris-Aguanga Basin Region, 8 miles east of Temecula on Hwy 71 [=79] to Warner Springs, near Vail Lake and Dripping Springs 500 Comment
  UCR217645  Chorizanthe leptotheca Jeff B. Galvin 2010-6-7 130 Riverside San Jacinto Mountains, Bautista Canyon, on slopes east of creek and c. 2.5 km south of forest service boundry 820 Comment
  UCR116991  Chorizanthe parryi var. parryi A. C. Sanders, T. B. Salvato 2001-5-3 24072 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR260568  Chorizanthe parryi var. parryi T. B. Salvato 2014-5-29 8034 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
  UCR260596  Chorizanthe parryi var. parryi A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41473 Riverside San Gorgonio Pass, north of San Gorgonio River wash, 3.1 miles due east of Cabazon, south of I-10 and 1.1 mi. ENE (77 deg. ) of water bottling plant, north edge of wind farm 451 Comment
  RSA615123  Chorizanthe polygonoides var. longispina A. C. Sanders, G. K. Helmkamp 1997-3-15 19928 Riverside Lake Skinner area: hill (1864) E of Skinner Lake at NW end of Tucalota Hills. 537 Comment
  UCR123226  Chorizanthe polygonoides var. longispina D. E. Bramlet 1993-4-15 2328 Riverside Gavilan Hills, eastern Lake Mathews area, 2 km west of El Sobrante Rd. and 274 m north of Cajalco Road, 1.2 km west of the entrance gate and 213 m south of the access road 439 Comment
  UCR256750  Chorizanthe polygonoides var. longispina T. B. Salvato, Matthew Malle 2013-4-10 7530 Riverside Gavilan Hills, southeastern slopes, 0.30 mi north of the Temescal Canyon and 0.15 mi northwest of Black Powder Canyon 402 Comment
  UCR48518  Chorizanthe polygonoides var. longispina Steve Boyd 1986-5-1 1788 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  CAS-BOT-BC246240  Chorizanthe rigida Frank W. Peirson 1922-4-11 2863 Riverside Deep Canyon Wash, 12 miles southeast of Palm Springs 243 Comment
  UCR74364  Chorizanthe rigida Theo Glenn 1991-4-30 91- 66 Riverside Sonoran (Colorado) Desert, McCoy Mtns, NW of Blythe 280 Comment
  UC178761  Chorizanthe xanti Marcus E. Jones, A. M. 1903-5-11 Riverside Whitewater 304 Comment
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1
  RSA0097129  Chorizanthe xanti var. leucotheca Marc A. Baker 2015-7-9 18402 Riverside San Gorgonio Pass, 32 km WNW of central Palm Springs, 100m north of the San Gorgonio River, 4 km ENE of Banning. 638 Comment
  JEPS37732  Chrysolepis sempervirens Carl V. Meyer 1928-7-31 614 Riverside Tahquitz Peak; San Jacinto Mts. Comment
  RSA450415  Chrysothamnus paniculatus J. C. Roos 1965-11-6 s.n. Riverside Whitewater. 305 Comment
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Jan 14 2010
  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
  RSA607247  Chrysothamnus teretifolius R. S. Woglum 1937-10-20 1195 Riverside Peninsular Ranges, Santa Rosa Mountains. Comment
  SD260086  Chylismia brevipes subsp. brevipes J. M. Andre 2013-3-4 23869 Riverside Riverside Mountains; east side of range, along rocky dirt road to historic mine area, 0.8 mi west of Hwy 95, approx 12 mi. south of Vidal Jct. 127 Comment
  CAS-BOT-BC160625  Chylismia claviformis subsp. aurantiaca Munz; Street; Williams 1919-3-26 2339 Riverside Mecca, Oasis-date-ranch 45 Comment
  UC1184369  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-1-25 11473 A Riverside roadside 1.5 mi w Mecca Comment
  JEPS23425  Chylismia claviformis subsp. peirsonii Newlon 1922-4-2 418 Riverside hwy between Westmoreland and Indio; Colorado Desert Comment
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Apr 3 2011
  CAS-BOT-BC287960  Cirsium occidentale var. californicum John Thomas Howell 1952-10-24 28862 Riverside San Timeteo Canyon Comment
  UCR27069  Cirsium scariosum T. P. Krantz 1982-5-25 s.n. Riverside Peninsular Range; San Jacinto Mtns., Baldy Mountain mesa above the west end of Garner Valley 1585 Comment
  POM46849  Cistanthe monandra H. M. Hall 1904-5-19 4944 Riverside Fairmont Park. Comment
  RSA466606  Cistanthe monandra A. C. Life 1928-3-17 s.n. Riverside Colorado Desert, Painted Canyon Comment
  RSA752133  Citrullus lanatus Justin M. Wood, Brandy Wood 2009-7-4 1037 Riverside Riverside Flood Control Basin, SW corner of Patton Rd and Wineville Rd, immediately S of San Bernardino County Line. 250 Comment
  UC667380  Cladium californicum Annie M. Alexander and Louise Kellogg 1941-5-17 2191 Riverside Old pond hear Dos Palmas; Colorado Desert Comment
  UCR166147  Clarkia dudleyana T. B. Salvato, John F. Green 2004-5-27 567 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
  RSA748815  Claytonia perfoliata subsp. perfoliata G. Gust, L. Nye 2005-3-12 556 Riverside Cleveland National Forest. Hwy 74 W of lower San Juan Picnic Area at pullout W side of Santa Ana Mtn. Range. 495 Comment
  RSA720598  Clematis lasiantha T. Tennant 1998-5-7 MOR- 85 Riverside Morongo Indian Reservation, Wood Canyon (polygon W8), ca. 0.6miles NNW of Cabazon. 1280 Comment
  UC63842  Clematis pauciflora Miss Maggie M. Todd Apr. 1897 Riverside Winchester Comment
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Mar 20 2011
  UC1563032  Collinsia concolor Steve Boyd, Tim Ross, Laurel Arnseth 1989-4-1 3170 D Riverside just sw Vail Lake dam (recent burn in hills); Vail Lake area 487 Comment
  UCR89571  Collinsia concolor E. N. Anderson 1994-4-20 s.n. Riverside Box Springs Mtns, Two Trees Canyon, above Cassina Spring Comment
  JEPS13638  Collinsia heterophylla Peter Kamb 1948-6-19 1114 Riverside Santa Ana Mountains, se slope of Santiago Peak Santiago Peak; Santa Ana Mountains, Santiago Peak 1219 Comment
  UCR132612  Collinsia heterophylla Kent Beaman 1983-4-24 03 Riverside Santa Ana Mtns., north and west of Murrieta; Clinton Keith Road about 2 miles west of Hwy 15, south side of road just before it starts up a hill 427 Comment
  JOTR35329  Colubrina californica Harding, Mitzi, Mark Wheeler 2012-2-28 96 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; southeastern most canyon in the range (Stop 2) 265 Comment
  POM162486  Colubrina californica E. C. Jaeger 1930-01 s.n. Riverside Eagle Mountain Comment
  UCR41549  Colubrina californica A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6141 Riverside Sonoran (Colorado) Desert, N foot of the Chuckwalla Mountains, 2.75 mi (airline) SE of Desert Center 367 Comment
  UCR91470  Convolvulus arvensis Scott D. White, M. Jacobsmeyer 1996-4-20 3974 Riverside Perris Basin, Near Perris Airport, c. 100 m north of Case Road, just west of the I-215 Fwy 433 Comment
  HSC85291  Convolvulus simulans Steve Boyd 1986-5-1 1810 Riverside Lower S slopes of Bachelor Mtn., E end of Lake Skinner Comment
  UCR56700  Convolvulus simulans Jeri Hirshberg 1989-4-11 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., S of town of Murrieta, SW of Mesa del Burro 612 Comment
  UCR87116  Convolvulus simulans Steve Boyd 1991-5-10 6219 Riverside Santa Ana Mtns, Temescal Canyon, E base of mountains, just SE of Indian Truck Trail off ramp of Hwy I-15, south of DePalma Road 366 Comment
  UCR1442  Conyza bonariensis Joyce Kleinjan 1961-4-21 s.n. Riverside Riverside, W side of Canyon Crest Drive, 75 yards south of 3rd street. 351 Comment
  POM10039  Conyza coulteri E. A. Zumbro 96 Riverside Cold Water Canyon, bridge over old canal. Comment
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Apr 10 2016
  UCR84653  Conyza coulteri Scott D. White, S. Ogg 1994-4-21 1978 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  RSA0011001  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Jeff Morawetz, Kathleen Ashbaker 2010-6-28 1438 Riverside San Bernardino National Forest: Garner Valley, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1382 Comment
  UC1608210  Cordylanthus rigidus subsp. setiger Steve Boyd and Tim Ross 1992-6-10 7644 Riverside about Potrero Escondido (...area of low relief topping ridge system due w of jct of Tenaja Rd (7S01) and Los Alamos Rd (7S04) at the confluence of Los Alamos Cr w/San Mateo Cr.); Southern Santa Ana Mts., San Mateo Canyon Wilderness Area, S 670 Comment
  POM355978  Coreopsis bigelovii Ora M. Clark 1929-2-23 1562 Riverside North Whitewater. Comment
  UCR88542  Coreopsis bigelovii A. C. Sanders 1995-4-13 16489 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Devil's Garden, E end of the mtns., 2.1 mi west of Hwy 62 on Pierson Avenue and dirt extension, 1.7 mi above Sierra Blvd. 793 Comment
  UC89484  Coreopsis californica var. californica T. S. Brandegee April, 1901 Riverside Colorado Desert Comment
  HSC5414  Coreopsis douglasii C. L. Hitchcock, C. V. Muhlick 1964-3-17 23091 Riverside 3 mi. SE of Glen Ivy Hot Springs. Comment
  LA99061  Corethrogyne filaginifolia E. R. Hobbs; G. Malanson, Walt Westman 1978-9-30 78- 132 Riverside Cortrite Avenue, Homeland Comment
  LA99062  Corethrogyne filaginifolia E. R. Hobbs; G. Malanson, Walt Westman 1978-9-30 78- 132 Riverside Cortrite Avenue, Homeland Comment
  UC895241  Corethrogyne filaginifolia I. W. Clokey and E. G. Anderson 1935-8-21 6963 Riverside e Keen Camp P.O. 1350 Comment
  SEINET4565651 Image available Corethrogyne filaginifolia var. brevicula Philip A. Munz 1938-1 15383 Riverside Santa Rosa Mountains; ridge East of Toro Peak 2438 Comment
  RSA621444  Cornus glabrata D. L. Banks 1997-11-15 2192 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, on the north side of the Dorland Mountain Arts Colony. Along the margins of a small man-made pond. 549 Comment
  RSA515221  Coryphantha alversonii Steve Boyd, Orlando Mistretta 1986-3-13 1465 Riverside West side Palen Mts.: NE of Desert Center. Comment
  RSA757460  Cotula coronopifolia R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55201 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de Colorado 625 Comment
  UCR110454  Crassula aquatica D. E. Bramlet 1998-4-22 2606 Riverside Perris-Aguanga Basin region, French Valley area, 305m east of Washington Road and 10m north of Rawson Road, 6m west of the San Diego Canal. 447 Comment
  UCR154548  Crassula aquatica Jason L. Hlebakos 2005-5-18 698 Riverside Santa Rosa Plateau, Pool on E side of Mesa de Burro, above upper end of Miller Canyon 610 Comment
  RSA85442  Crassula solieri J. C. Roos 1952-4-9 5514 Riverside Edgemont, near Box Springs 488 Comment
  UCR89665  Crossosoma bigelovii Bern Schwenn 1994-2-13 s.n. Riverside Colorado Desert/Santa Rosa Mtns., 'wet fork' Agua Alta Canyon 640 Comment
  RSA480574  Croton californicus M. B. Dunkle 1933-3-4 3060 Riverside Painted Canyon, Colorado Desert. 30 Comment
  UCR278562  Croton californicus Mitch Provance 2012-7-28 712- 08 Riverside San Gorgonio Pass, Banning, Montgomery Creek and adjacent plateaus, south of Westward Ave., and west of Banning High School 695 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
  RSA799881  Cryptantha angustifolia D. M. Ray 2011-3-5 8 Riverside Sonoran Desert: Chuckwalla Valley along Kaiser Road. 198 Comment
  UC1229795  Cryptantha angustifolia Peter M. Ray 1949-3-5 1333 Riverside near 1000 Palms; Coachella Valley, Willis Palms Comment
  UC180099  Cryptantha angustifolia Jos. Burtt Davy 1902-3-25 7949 Riverside Indio Comment
  JEPS20702  Cryptantha barbigera Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13245 Riverside 11.3 mi n Blythe (U.S. Highway 95); Big Maria Mts. Comment
  RSA703814  Cryptantha barbigera LeRoy Gross 2005-3-3 1593 Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W 207 Comment
  SBBG6243  Cryptantha barbigera C. H. Muller 1952-4-6 9502 Riverside 2 mi E of Shavers Summit, E of S gate to Joshua Tree Nat Monument Comment
  SBBG81692  Cryptantha barbigera S. A. Junak 1983-3-24 1659 A Riverside N side of Interstate 10, 6.9 mi W of Pinto Basin Rd 426 Comment
  SDSU18686  Cryptantha barbigera var. barbigera Kristen Hasenstab, M. G. Simpson 2008-4-1 51 Riverside Joshua Tree National Park. 500 ft from Cottonwood Springs campground. 928 Comment
  SBBG6245  Cryptantha circumscissa C. H. Muller 1952-4-6 9511 Riverside Pinto Basin, Joshua Tree Nat Monument Comment
  JOTR33864  Cryptantha costata La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3050 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; sand ramps interspersed w/ basalt outcrops 349 Comment
  UCR228207  Cryptantha costata Dave Silverman 2010-3-24 7824 Riverside Sonoran (Colorado) Desert, South Palen Lake, Chuckwalla Valley, 5.1 km SE of Sidewinder Well, 2.7 km SW of Palen Dunes Dr., and 3.4 km N of Interstate 10 133 Comment
  RSA0123287  Cryptantha decipiens Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 9000 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  RSA528102  Cryptantha decipiens S. J. Myers 1991-4-15 91 -6 Riverside City of Banning, W of Fields Rd, N of Interstate 10 & S of the Morongo Indian Reservation. 671 Comment
  UCR196108  Cryptantha decipiens Jim Andre, T. La Doux 2006-4-11 8140 Riverside S Mojave Desert, Joshua Tree National Park, along Pinto Basin Road (paved) through Wilson Canyon at Fried Liver Wash 858 Comment
  SD125582  Cryptantha holoptera Steven A. Junak 1983-3-23 1634 Riverside East side of Jefferson Road, across from entrance to Cahuilla Lake County Park, south of Indio Comment
  RSA524426  Cryptantha intermedia Steve Boyd, Tim Ross, L. Arnseth, J. Bonilla 1990-4-3 4122 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  RSA699335  Cryptantha intermedia J. R. Bruff 1927-3-12 s.n. Riverside Fingal Comment
  RSA771787  Cryptantha intermedia Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4702 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65123 604 Comment
  SBBG28617  Cryptantha intermedia D. Myrick 1964-4-30 812 Riverside Pines to Palms Hwy 74, 15 mi W of Palm Desert 1219 Comment
  SD136884  Cryptantha intermedia Steve Boyd 1986-4-2 1600 Riverside Gavilan Plateau, Gavilan Hills: Harford Springs County Park 609 Comment
  SD247352  Cryptantha intermedia Tracy Tennant, Mitch provance 1998-6-16 MOR 439 Riverside San Bernardino Mtns. Foothills: Morongo Indian Reservation, upper Millard Canyon, north of Cabazon, in wash just north of woodland stand M 15. 1098 Comment
  SDSU12860  Cryptantha intermedia Janet M. Knotts, Jill Steinberg and Kevin Contreras 1998-3-25 25 III1998L Riverside Road to southwest of SDSU Santa Margarita Fiedl Station, ca. 800 feet southwest on road to switchback, east side of road. 293 Comment
  UC56843  Cryptantha intermedia H. M. Hall 1902-4-26 2991 Riverside vicinity Riverside 365 Comment
  UCR171973  Cryptantha intermedia John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula, Long Canyon, Southern California Edison right of way between residential areas, south of Rancho California Road and east of Margarita Road 366 Comment
  UCR176908  Cryptantha intermedia Tracy Tennant 1998-6-18 s.n. Riverside San Jacinto Mtns., Bee Canyon, NE of Valle Vista 793 Comment
  UCR177150  Cryptantha intermedia Scott D. White, Michael Honer 2003-4-25 9107 Riverside San Bernardino Mtns, Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm, west side of road 671 Comment
  UCR202009  Cryptantha intermedia Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  UCR20847  Cryptantha intermedia O. F. Clarke 1980-4-26 s.n. Riverside Menifee Valley Area, south of Sun City a few miles. 1.5 miles west from the intersection of Holland and Haun Roads, 2 miles SW of the intersection of Newport Rd and Hwy 395 473 Comment
  UCR84652  Cryptantha intermedia Scott D. White 1994-4-21 1949 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  POM9602  Cryptantha intermedia I. M. Johnston 1920-5-8 s.n. Riverside Butte due west of Lakeview Comment
  RSA0123175  Cryptantha maritima Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9064 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
  UCR101575  Cryptantha maritima 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
  UCR245257  Cryptantha maritima Jim Andre 2012-3-19 21293 Riverside Sonoran (Colorado) Desert, north end of Orocopia Mountains, 0.5 mi. south of junction of Box Canyon Rd and I-10 Fwy, 23 miles east of city of Coachella 470 Comment
  POM72168  Cryptantha micrantha Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA0080319  Cryptantha micrantha Sarah J. De Groot, Cheryl Sevilla 2015-2-24 s.n. Riverside Sand dunes along Blythe-Rice (Midland) Road, Rice Valley, south of Turtle Mountains, east of Arica Mountains, 1.9 miles south of Highway 62 and Rice. 234 Comment
  RSA733625  Cryptantha micrantha Keith E. Hoffmaster 1935-3-31 590 Riverside Palm Springs Comment
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Aug 27 2011
  SEINET3005010  Cryptantha micrantha G. Rink, A. Karl, M. Honer, T. Thomas 2011-4-6 10439 Riverside Ca 5 miles west of Blythe, south fo I-10 and north of the transmission line, on dunes 141 Comment
  UCR279392  Cryptantha micrantha subsp. micrantha A. C. Sanders, Jim Malusa 2017-3-24 42985 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  JOTR35464  Cryptantha micrantha var. lepida Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 67 Riverside Joshua Tree National Park. Little San Bernardino Mtns; W. of Juniper Flats (stop4) Comment
  RSA523516  Cryptantha micromeres Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3975 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA526080  Cryptantha micromeres Steve Boyd, Timothy S. Ross 1990-5-11 4653 B 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
  UC1537676  Cryptantha micromeres Gordon H. True Jr. 1935-4-1 198 Riverside Box Springs 365 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
  SBBG53761  Cryptantha microstachys S. Boyd 1980-5-28 Riverside Harford Springs County Park, located on the NW corner of the Gavilan Plateau, E side of Gavilan rd Comment
  SD247355  Cryptantha microstachys A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35583 Riverside San Jacinto Mountains: Coldwater Creek watershed, ca. 1.25 miles ENE of Mountain Center, nameless tributary to Coldwater Creek, north of Johnson Meadow, above mapped spring. 1524 Comment
  SEINET3084417 Image available Cryptantha microstachys Rose Gagnon 1968-5-14 680514 -4 Riverside Riverside. North bank of Santa Ana River east of Salt Lake City Bridge. Comment
  UCR133402  Cryptantha microstachys Tracy Tennant, J. S. Ross 1998-5-7 MOR- 94 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Wood Canyon (polygon W8), c. 0.6miles NNW of Cabazon. 1280 Comment
  OBI42560  Cryptantha muricata A. C. Sanders 1986-6-1 6537 Riverside San Jacinto Mts, along the trl toward Spitler Peak from the Hurkey Crk camp to Bonita Vista Rd (T5S, R3E, N1/2, sec 35) 1707 Comment
  RSA0088972  Cryptantha muricata R. G. Swinney 1967-5-26 11738 Riverside Snow Creek. 335 Comment
  UCR111546  Cryptantha muricata Mitch Provance 1999-5-4 1695 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 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
  UCR244733  Cryptantha pterocarya var. cycloptera Jim Andre 2012-3-19 21351 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177, 8.6 mi. NE of junction with I-10 152 Comment
  UCR88427  Cryptantha pterocarya var. pterocarya A. C. Sanders, K. C. Rose 1995-4-5 16350 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  RSA0030699  Cryptantha pterocarya var. stenoloba J. Andre 2013-3-27 24800 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 242 Comment
  RSA99143  Cryptantha racemosa Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring, Chuckwalla Mountains, Colorado Desert. Comment
  UCR117667  Cryptantha simulans T. Schram, D. Wappler 1994-7-14 s.n. Riverside San Jacinto Mtns., Lake Hemet. Comment
  UC61111  Cryptantha torreyana Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  CDA30995  Cucurbita palmata R. E. Riefner Jr. 2006-8-2 06 -349 Riverside Lakeview Mountains, vicinity of Alicante Drive at Jamawag Road, north of Leon Road. Comment
  UCR174305  Cuscuta californica A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32646 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  CAS-BOT-BC224607  Cuscuta californica var. papillosa Milo S. Baker 1928-4-3 2796 a Riverside Palm Canon [Canyon] Comment
  RSA309656  Cuscuta indecora J. C. Roos 1951-9-25 5254 Riverside West end Fairmount Park 259 Comment
  UCR280611  Cuscuta salina Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-11 417- 18 Riverside Elsinore Trough, South corner of Baker St. and Bromley Ave. 384 Comment
  RSA49307  Cuscuta subinclusa Duncan S. Bell, Colleen Wheeler 2010-7-19 1632 Riverside San Bernardino National Forest: Garner Valley, approximately 2.8 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1383 Comment
  RSA70999  Cuscuta umbellata F. W. Peirson 1932-11-26 9659 Riverside Thousand Palms Comment
  SD229116  Cylindropuntia californica var. parkeri Dick Schwenkmeyer 2012-3-26 668 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx 1 mile northeast of junction of Highway 74 and Morris Ranch Road, base of steep bouldery slope. 1374 Comment
  RSA0031297  Cylindropuntia chuckwallensis Mitzi Harding, Marc A. Baker, Michelle Cloud-Hughes 2013-4-11 134 Riverside Cottonwood Mountains, Joshua Tree National Park, north side of Cottonwood Canyon, 200m west of Wood Spring, 450m SW of Cottonwood Spring, 38km NE of Indio. 895 Comment
  LA204499  Cylindropuntia munzii A. C. Sanders; et. al. 1986-3-2 6147 Riverside Arroyo Seco, along Bradshaw Rd. 5.2 mi. W of Graham Pass Rd., S side of the Chuckwalla Mountains Comment
  RSA0039057  Cylindropuntia munzii A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40509 Riverside Chuckwalla Bench, south of the Chuckwalla Mtns., along Bradshaw Trail 1 km SE of Augustine Rd. junction, large wash on SW side of road 695 Comment
  RSA650405  Cynodon dactylon W. H. Grady 1948-5-2 s.n. Riverside in Riverside. 259 Comment
  UCR37438  Cynodon dactylon Steve Boyd 1981-4-8 s.n. Riverside Gavilan Plateau, Lake Mathews Road, south of Gavilan Peak 640 Comment
  RSA658241  Cynodon dactylon A. Sleigh, A. Haimov 1992-5-26 123 Riverside 30 meters east side of Davis Road. 1 1/2 miles north of Ramona Expressway, San Jacinto Wildlife Area access road. Comment
  UCR34201  Cynosurus echinatus Jan West 1984-6-1 s.n. Riverside Landscaped bank at the south edge of the Bannockburn parking lot, UC Riverside campus Comment
  CAS-BOT-BC114541  Cyperus eragrostis Scott D. White 1996-9-22 4540 Riverside Perris: Nuevo Road near intersect. w/Wilson Ave., W of the San Jacinto Riv crossing. 432 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
  UCR78635  Cyperus odoratus Scott D. White 1992-9-11 792 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
  SEINET2066052 Image available Dalea mollis Dave Silverman, Cindy Hopkins 2005-3-22 5755 Riverside NE Riverside Co., transition between Ward and Rice Valleys, south of Danby Lake, S of HWY 62, along Colorado River Aqueduct (East of Granite Pass 7.5Q). 277 Comment
  SEINET4034479  Dalea mollis Bigelow, Foster; Cazier 1968-1 sn Riverside 3 mi. south of Rice. Comment
  UC61549  Dalea mollis Miss Mary McKibben 1904-4-6 Riverside Mecca Colorado Desert, Mecca -60 Comment
  UCR248427  Dalea mollis Duncan S. Bell 2011-12-30 3037 Riverside Sonoran (Colorado) Desert, Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; c. 2 air miles southwest of Priests Well, or c. 7 air miles southwest of the ghost town of Rice 365 Comment
  RSA778248  Dalea mollissima Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 934 Riverside McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  UCR139720  Dalea mollissima B. G. Pitzer 1989-4-16 1296 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, just outside impact area, 1 km south of Tabaseca Tank 700 Comment
  CLARK-A1528-2772  Dalea schottii John C. Roos 1966-5-2 Riverside Indio Hills Comment
  POM193517  Dasyochloa pulchella J. B. Feudge 1929-9-15 2026 Riverside Cottonwood Springs, Colorado Desert. Comment
  RSA659515  Datura discolor J. C. Roos 1965-11-6 s.n. Riverside Colorado Desert, 26 miles west of Blythe. Comment
  SD123745  Datura quercifolia A. C. Sanders 1984-10-18 5337 Riverside Residence of Ol. F. Clarke, 1012 Spruce St. 305 Comment
  RSA525264  Daucus pusillus Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4577 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  CAS-BOT-BC294120  Deinandra kelloggii Virginia Moran 2003-5-22 s.n. Riverside Peninsular Range: Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and W of Wilson Creek 915 Comment
  SBBG35224  Deinandra kelloggii T. L. Secrest 1951-5-18 Riverside San Jacinto River bed Comment
  SEINET6050431  Deinandra kelloggii Robert Allen, Allen, Linnel 2008-7-27 Riverside Santa Ana Mountains. Long Canyon watershed. Along Long Canyon Road. 136 meters (0.08 air miles) northwest of jct. with Ortega Hwy (SR74). In meadow south of roadway. Comment
  UC1930969  Deinandra kelloggii Mitch Provance 2005-5-17 6551 Riverside Warm Springs Valley: Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, ca. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site Comment
  UCD131073  Deinandra kelloggii D. E. Bramlet 2000-8-30 3076 Riverside Shipley Reserve; the site is an ephemeral draiange 213 m south of Auld Valley Creek and 915 m east of the Bachelor Mtn. access road. 451 Comment
  UC2030093  Deinandra mohavensis Scott D. White 2000-8-22 8120 Riverside SOUTH OF HEMET: Gibbel Flat in the Santa Rosa Hills. Comment
  CAS-BOT-BC413815  Deinandra paniculata R. E. Riefner, Jr. 2009-6-19 09 -135 Riverside Moreno Valley, NE ca. 0.15 mi from intersection of Nason St. and Ironwood Ave., W of Moreno Beach Dr., N of Moreno Valley Freeway (60 Fwy) 592 Comment
  RSA714017  Deinandra paniculata R. E. Riefner 2004-8-27 04 -398 Riverside N of La Sierra Heights; NE ca. 0.25 mi off Arlington Ave. along dirt access road to Hidden Valley Wildlife Reserve. 221 Comment
  RSA69412  Delphinium parryi F. W. Peirson 1922-5-18 3051 Riverside Lake Elsinore, Riverside Co. Comment
  RSA757731  Delphinium parryi LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4352 Riverside From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  CAS-BOT-BC121422  Delphinium parryi subsp. parryi Steve Boyd 1986-4-22 1766 Riverside Temescal Canyon: Terrace escarpment W side of Indian Wash, S of I-15. Comment
  CAS-BOT-BC121434  Delphinium parryi subsp. parryi C. B. Wolf 1935-4-7 6302 Riverside Gavilan Hills Region, 2 mi SW of Perris 426 Comment
  OBI32751  Dendromecon rigida E. W. Lathrop 1966-3-23 6090 Riverside 4 mi W of Corona between Tin Mine cyn and Santiago Peak, Skyline Dr 610 Comment
  SEINET10476415  Dendromecon rigida David B. Dunn, Melvin L. Conrad; Douglas G. LeDoux 1973-6-15 Dunn 20755 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
  RSA433555  Dendromecon rigida subsp. rigida H. de Forest, Jack Rempel 1933-6-25 18018 Riverside San Jacinto Mtns; northern slope 1128 Comment
  UCR266815  Deschampsia danthonioides Mitch Provance, Matt Amalong, Eric Kline 2015-3-24 315- 11 Riverside Paloma Valley, Menifee, NE corner of the intersection of Scott Rd. and Menifee. 454 Comment
  JOTR28912  Descurainia pinnata La Doux, Tasha, Bill Truesdell 2004-2-24 1147 Riverside Joshua Tree National Park. Eagle Mountains; Trail to Lost Palms Oasis, southeast of Cottonwood Oasis 914 Comment
  SEINET269274  Descurainia pinnata Bern Schwen 1994-4-17 Riverside Joshua Tree National Monument ; Pinto Mountains at bottom of Grand Tank (dry) 1189 Comment
  UC64141  Dicentra chrysantha H. M. Hall May 1899 1216 Riverside Smith's Mt. Comment
  UCR35066  Dicentra chrysantha L. B. Ziegler 1968-6-26 324 Riverside San Jacinto Mtns, N slope of Thomas Mtn 1555 Comment
  UCR76181  Dicentra chrysantha B. G. Pitzer, Stu Hemstreet 1992-5-21 1948 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
  UC1931206  Dichelostemma capitatum Scott D. White, Justin Wood 2008-6-19 12269 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. Comment
  UCR107885  Dichelostemma capitatum B. G. Pitzer 1997-3-23 2952 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
  UCR120160  Dichelostemma capitatum Mitch Provance 1998-3-5 193 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', but also referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 305 Comment
  SEINET3218913 Image available Dichelostemma capitatum subsp. capitatum Marc Mittleman 1982-5-25 Riverside Gentry Experimental Farm, Los Alamos Road, Murrieta. 366 Comment
  UCR138727  Dichelostemma capitatum subsp. capitatum Julie A. Greene 1993-4-10 1125 Riverside San Jacinto Wildlife Area 476 Comment
  CSUSB27  Dichelostemma pulchellum J. R. Sweeten 1965-4-21 Riverside About 1 mile southwest of Lake Matthews Dam; near roadside on steep slope; Riverside. Comment
  RSA501045B  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3166 B Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA501050  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3170 B Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  CAS-BOT-BC292181  Dicoria canescens Mrs. Robert Campbell 1921-11-26 2 Riverside Palm Springs Comment
  CAS-BOT-BC292188  Dicoria canescens Geo. B. Grant 1909-1-20 s.n. Riverside Palm Springs Comment
  POM202625  Dicoria canescens Marcus E. Jones 1933-12-29 s.n. Riverside Palm Springs. Comment
  SJSU6728  Dicoria canescens C. W. Sharsmith 1974-1-6 8013 Riverside Palm Springs Comment
  UC537237  Dicoria canescens M. E. Jones 1933-11-7 Riverside Cabazon Comment
  RSA545218  Dicoria canescens subsp. hispidula R. F. Thorne 1970-10 41879 Riverside San Bernardino Mts, Whitewater canyon, Sandy soil of canyon alt 1350ft. near bridges and Whitewater Post Office, 2000 ft up the canyon toward fish hatchery. 610 Comment
  UC29876  Dieteria asteroides var. asteroides Geo. F. Reinhardt June 1897 Riverside San Jacinto Valley Comment
  SEINET210006  Diplacus brevipes Noel H. Holmgren, Liew Fah Seong 1969-1 3583 Riverside San Jacinto Nts, county rd Rl, at Black Mt turnoff, 8.5 mi N of Idyllwild Comment
  SD53063  Diplacus clevelandii Peter H. Raven 1962-5-18 17759 Riverside Main Divide Truck Trail 2.9 miles south of Santiago Peak Comment
  CAS-BOT-BC153097  Diplacus fremontii John Thomas Howell 1927-8-2 2919 Riverside Near Idyllwild on road to Keen Camp, Mt. San Jacinto 1676 Comment
  CAS-BOT-BC150681  Diplacus longiflorus C. L. Hitchcock 1940-4-12 6044 Riverside 8 mi. northwest of Elsinore 457 Comment
  CAS-BOT-BC150869  Diplacus puniceus H. M. Hall 1902-4-21 2928 Riverside Vicinity of Riverside, Gavilan Hills 457 Comment
  RSA0019295  Diplacus puniceus D. L. Banks, Steve D. Boyd 1995-3-30 132 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, on the Woodchuck Trail. 634 Comment
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Apr 20 2019
  SEINET13778024 Image available Diplacus puniceus L. R. Abrams 1941-1 13876 Riverside Palomar School near Perris Comment
  SD30509  Distichlis spicata Edith A. Purer 1936-4-6 6879 Riverside Riverside County, vernal pool south of Elsinore Comment
  RSA421625  Ditaxis californica Robert Gustafson 1980-4-3 1523 Riverside Orocopia Mountains, about 6 miles east of Mecca along Box Canyon Road, south of the road 305 Comment
  RSA781655  Ditaxis claryana Duncan S. Bell 2009-3-8 76 Riverside Arica Mountains: northwest section of mountain range approximately 3.2 air miles northwest of Priest Well, or approximately 6 air miles southwest of the ghost town of Rice. 476 Comment
  POM13723  Ditaxis lanceolata E. C. Jaeger 1921-3-13 54 Riverside Red Rock Canyon near Mecca, Colorado Desert. Comment
  UCR72236  Ditaxis lanceolata Theo Glenn 1991-5-27 91- 122 Riverside Sonoran (Colorado) Desert, Palen Mountains, NE of Desert Center 360 Comment
  RSA675730  Ditaxis neomexicana Scott D. White 2001-4-27 8421 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway ca. 15 miles east of the Indio jtn. of I-10/ SR-111. Bajadas and washes adjacent to powerline access roads near unnamed freeway exit accessing pump station. 396 Comment
  UCR72204  Ditaxis neomexicana Theo Glenn 1991-5-22 91- 73 Riverside Sonoran (Colorado) Desert, Arica Mountains, SW of Rice. 309 Comment
  CAS-BOT-BC43630  Dithyrea californica Geo. B. Grant 1906-5-1 266 a-6769 Riverside Colorado desert at Palm Springs. Comment
  CAS-BOT-BC43631  Dithyrea californica Geo. B. Grant 1906-4-8 with 6769 Riverside Palm Springs. Comment
  JEPS14663  Dodecatheon redolens Carl V. Meyer 1928-7-26 544 Riverside vicinity Deer Springs (San Jacinto Mountains); , vicin Deer Springs 2743 Comment
  RSA263692  Downingia cuspidata E. W. Lathrop 1977-4-24 7513 Riverside Mesa de Burro, 3 miles west of Murrieta. Santa Rosa Plateau. 610 Comment
  UCR41829  Draba cuneifolia A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6118 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  RSA773169  Draba verna Duncan S. Bell, Valentin Arvizu 2010-5-24 1108 Riverside San Bernardino National Forest: Garner Valley, approximately 3.4 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1385 Comment
  CAS-BOT-BC535004  Drymocallis glandulosa var. reflexa H. M. Hall 1901-6-1 2204 Riverside San Jacinto Mountains, Southern California, vicinity of Strawberry Valley 1615 Comment
  IRVC145  Dryopteris arguta Barbara Mawdsley 1965-4-24 HS 528 Riverside Highway 74; 1/4 mile SE of Keen Camp Summit. Peninsular Ranges, San Jacinto Mountains Comment
  SDSU1592  Dryopteris arguta Thomas A. Zink 1971-5-1 Riverside 4.3 miles from Santa Rosa Ranch gate. 366 Comment
  UCR37490  Dryopteris arguta Steve Boyd 1981-2-2 s.n. Riverside Peninsular Range, Gavilan Hills, Rocky Bluff Ridge Comment
  UCR101843  Dudleya B. G. Pitzer 1997-4-1 3043 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  JEPS49922  Dudleya saxosa subsp. aloides W. L. Jepson 1927-4-12 11668 Riverside Whitewater Bridge Colorado Desert, San Gorgonio Pass Comment
  LA104987  Dudleya saxosa subsp. aloides Kei Nakai; 1980-12-25 686 Riverside Santa Rosa Mountains, Santa Rosa Mountain Road, 3.6 mi. from Hwy 74 1584 Comment
  POM311207  Dudleya saxosa subsp. aloides Karen Hosterman 1957-3-27 944 Riverside 1/2 mi. up Whitewater Canyon. Comment
  RSA6659  Dudleya saxosa subsp. aloides B. D. Stark 1933-4-2 4536 Riverside Pinyon Flats, San Jacinto Mts. Upper Sonoran, (Palms) to Pine Road. 1220 Comment
  RSA0125226  Echinocereus engelmannii H. G. Rush 1950-5-10 115 Riverside Santa Rosa Mountain Range. Palms to Pines Highway, 7 miles northwest of Nightingale. 1463 Comment
  UCR18073  Echinochloa colona Hap Ritter, Paul Mack 1976-10-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Valley Dunes. south of I-10 between Wiley Well Road and Graham Pass Road 152 Comment
  UCR189551  Eclipta prostrata Fred M. Roberts, S. Leatherman 2007-9-19 6578 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  UCR268307  Ehrendorferia chrysantha Jim Andre 2012-6-15 30500 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243 at Mount Edna Road, c. 1 mile north of McMullen Flat, 5.9 miles south of Hwy I-10 at Banning 1172 Comment
  UCR239855  Ehretia O. F. Clarke 2005-4-9 s.n. Riverside Peninsular Range; foothills of Box Springs Mtns., Riverside, Kalsa yard on Watkins Dr. 351 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
  UC1536019  Elatine chilensis Robert F. Thorne and Earl Lathrop 1975-5-25 45546 Riverside Mesa de Burro Santa Rosa Plateau (Rancho California) Comment
  UCR185172  Eleocharis bella Naomi Fraga, Et al. 2006-7-11 1727 Riverside San Jacinto Mountains, Mount San Jacinto State Park, Hidden Lake 2652 Comment
  CAS-BOT-BC112743  Eleocharis geniculata A. C. Sanders; Oscar Clarke; C. N. P. S. 1991-10-5 11744 Riverside Santa Ana River bottom, Rancho Jurupa Park, Pleasant Acres Lake. Comment
  SD87749  Eleocharis geniculata F. W. Peirson 1924-12-30 5408 Riverside 1000 Palms Canon Comment
  HSC46428  Eleocharis macrostachya Christopher Davidson 1977-5-25 5647 Riverside Mesa de Burro, Santa Rosa Plateau area of Santa Ana Mtns. 701 Comment
  UCR104947  Eleocharis montevidensis A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20688 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek [c. 2.5 miles below Twin Pines Rd. on dirt road] 854 Comment
  CLARK-A1528-4600  Eleusine indica John C. Roos, Edmund C. Jaeger 1952-10-8 5899 Riverside Riverside 259 Comment
  RSA0050595  Elymus A. C. Sanders, Tim Thomas 2008-8-1 35939 Riverside Coldwater Creek near Mountain Center, SE of Keenwild Fire Station. In open disturbed area along road 5S02. 1402 Comment
  RSA6025  Elymus glaucus subsp. jepsonii C. B. Wolf 1932-8-5 3942 Riverside Trail from Tahquitz Valley to San Jacinto Peak, San Jacinto Mountains. 2561 Comment
  CAS-BOT-BC204299  Elymus trachycaulus subsp. trachycaulus H. M. Hall 1901-7-1 2569 Riverside San Jacinto Mountains. Dark Canon [Canyon] Comment
  LA14869  Elymus triticoides F. M. Reed; 1907-5-26 1363 Riverside Spring Brook near foot of Rubidoux Mt Comment
  UCR57206  Elymus triticoides Jeri Hirshberg 1989-6-9 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns, S of town of Murrieta. Mouth of a small SW-draining channel on the SW side of Mesa de Burro Comment
  UCR162411  Emmenanthe penduliflora S. J. Myers, Chet McGaugh 2003-4-7 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  UCR279586  Emmenanthe penduliflora A. C. Sanders, Jim Malusa 2017-3-28 43145 B 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
  UCR91411  Emmenanthe penduliflora Scott D. White 1995-4-5 2723 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  RSA770416  Encelia actoni Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4884 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  UC31387  Encelia californica E. L. Koethen 1897-4-1 17 Riverside plains Riverside Comment
  UC628872  Encelia californica H. M. Hall 1902-4-19 2922 Riverside vicinity of Riverside 365 Comment
  UCR233573  Encelia californica A. C. Sanders, John F. Green 2012-3-26 39995 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, near I-15 Fwy crossing of Temescal Wash, west of Hostettler Rd. 395 Comment
  CAS-BOT-BC131320  Encelia farinosa G. P. Rixford 1915-4-3 s.n. Riverside Riverside 426 Comment
  RSA613658  Encelia farinosa D. L. Banks, Victor Steinmann 1997-3-13 1462 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  SEINET2050575 Image available Encelia farinosa Ed LaRue 1989-4-7 Riverside Woodcrest area: 1/2 mi. NE of the intersection of Van Buren Blvd. & Mockingbird Canyon Road. 366 Comment
  UCD131212  Encelia farinosa R. N. Raynor 1933-3-31 s.n. Riverside Moreno Valley. Comment
  POM356693  Encelia farinosa var. farinosa Anstruther Davidson 1920-05 s.n. Riverside Temescal Comment
  SBBG119451  Encelia frutescens A. C. Sanders 1989-9-19 9494 Riverside along Ridge Rd; Chocolate Mtns Aerial Gunnery Range 457 Comment
  UCR214879  Encelia frutescens A. C. Sanders 2010-3-23 37549 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  RSA383877  Ephedra californica H. de Forest 1929-4-15 s.n. Riverside Between Whitewater & Palm Spring. Open Desert. Comment
  UC1929705  Ephedra nevadensis Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10502 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; West side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains Comment
  CAS-BOT-BC81860  Ephedra trifurca Carl B. Wolf 1932-4-29 3122 Riverside Eastern Colorado Desert, 3 mi. So. of Rice on Blythe Road 213 Comment
  CAS-BOT-BC81861  Ephedra trifurca Carl B. Wolf 1932-4-29 3122 Riverside Eastern Colorado Desert, 3 mi. So. of Rice on Blythe Road 213 Comment
  SEINET12535812  Epilobium brachycarpum H. M. Hall s.n. Riverside South side 1615 Comment
  UCR40150  Epilobium canum Steve Boyd 1985-8-7 1109 Riverside Santa Ana Mtns., Santa Rosa Plateau, Santa Rosa Plateau, NW base of Redonda Mesa on Tenaja Road, 0.8 mi east of the junction w/ 8S01 & 8S02 671 Comment
  CAS-BOT-BC171737  Epilobium canum subsp. latifolium Louis C. Wheeler 1933-12-1 2291 Riverside Mouth of Tahquitz Canyon, San Jacinto Mts. 152 Comment
  CAS-BOT-BC171748  Epilobium canum subsp. latifolium Lester Rowntree 1937-11-3 s.n. Riverside Desert Center Indio Highway Comment
  RSA799074  Epilobium canum subsp. latifolium Sarah J. De Groot, Jessica Chu, Loraine Washburn 2013-3-22 6870 Riverside South side of Joshua Tree National Park, Cottonwood Spring 905 Comment
  RSA588342  Epilobium ciliatum subsp. ciliatum N. C. Cooper 1944-5-6 1176 Riverside Whitewater Canyon. 457 Comment
  RSA680526  Epilobium ciliatum subsp. ciliatum Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8647 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek, i.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  UC1951165  Epipactis gigantea Scott D. White, Justin Wood 2009-5-22 12928 Riverside SAN JACINTO MOUNTAINS: Halfway Spring, accessed via Old Control Road. USGS Blackburn Canyon 7.5' Quad. Comment
  UCR26313  Equisetum telmateia subsp. braunii John C. Roos 1952-6-25 5794 Riverside Thickets at W end of Fairmont Park, Riverside 260 Comment
  RSA639636  Equisetum telmateia var. braunii E. Robinson, Crocker 1916-3-29 s.n. Riverside Santa Ana Mtns. Canyon near Murietta. Comment
  RSA737222  Eragrostis cilianensis Justin M. Wood 2008-9-30 181 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR2386  Eragrostis mexicana subsp. mexicana F. M. Reed 1906-7-15 1469 Riverside Roadsides in Riverside Comment
  RSA432675  Eremalche exilis M. B. Dunkle 1937-3-25 4936 Riverside Colorado Desert Comment
  SBBG99225  Eremalche rotundifolia W. L. Halvorson 1977-3-8 77 -79 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  UCR148481  Eremalche rotundifolia John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  UCR196386  Eremalche rotundifolia Naomi Fraga, Lisa Rojas 2005-2-10 1408 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 502 Comment
  RSA596668  Eremocarpus setiger D. L. Banks, Lauren Raz 1996-11-5 1149 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
  RSA664936  Eremocarpus setiger J. C. Roos 1965-7-27 s.n. Riverside Elsinore. Comment
  CAS-BOT-BC514313  Eriastrum densifolium subsp. austromontanum Scott D. White 1996-8-1 4403 Riverside San Jacinto Mts.: Idyllwild Area: Hwy 243 at Deer Springs trailhead and adjacent area 1828 Comment
  UCR35047  Eriastrum densifolium subsp. densifolium L. B. Ziegler 1967-5-31 137 Riverside San Jacinto Mtns, Pinyon Flats 1220 Comment
  UC879943  Eriastrum diffusum subsp. coachellae Lewis S. Rose 1937-4-9 37104 Riverside Palm Springs. 137 Comment
  SEINET3087450 Image available Eriastrum eremicum B. Pitzer 1986-5-24 233 Riverside Whitewater Canyon, ca. 5 mi N of Hwy I-10 on Whitewater Canyon Road. From N edge of hatchery to ca. 0.25 mi N of hatchery boundary. 7.5' quad. 732 Comment
  RSA0120097  Eriastrum eremicum subsp. eremicum Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10506 Riverside West side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains. Comment
  SD28074  Eriastrum eremicum subsp. eremicum Carl B. Wolf 1932-5-25 3678 Riverside North base of San Jacinto Mountains; Snow Creek Canyon, 1.0 mile below fish hatchery. 395 Comment
  UC52542  Eriastrum eremicum subsp. eremicum F. Gilman 1902-1 4 Riverside Palm Springs Comment
  UC901712  Eriastrum eremicum subsp. eremicum Alice Eastwood 1913-4-30 2984 Riverside Palm Springs Comment
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Aug 27 2011
  CAS-BOT-BC514471  Eriastrum eremicum subsp. eremicum K. Larson 1976-6-8 2041 Riverside 20 mi SW of Desert Center 609 Comment
  UCD118317  Eriastrum sapphirinum Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mountains, ca. 1 mile SE of town of Nuevo. 640 Comment
  UCR187487  Eriastrum sapphirinum Diane Menuz 2006-5-16 090 Riverside Peninsular Range, Tule Creek watershed off Happy Valley Road, Dry Ranch, 2.5 miles NE of Aguanga 738 Comment
  RSA0122959  Eriastrum sapphirinum subsp. dasyanthum Ed LaRue 1989-5-4 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; At McViker Canyon. 488 Comment
  UC2062549  Eriastrum sapphirinum subsp. dasyanthum Sarah J. De Groot with Robert K. Lauri 2005-7-7 5114 Riverside Western San Jacinto Mountains: Along Chimney Flat Road/Old Control Road 5S08, vicinity of Chimney Flat. Comment
  CAS-BOT-BC515040  Eriastrum sapphirinum subsp. sapphirinum H. M. Hall 1896-8-1 s.n. Riverside San Jacinto Mts., Strawberry Valley 1828 Comment
  JOTR31074  Ericameria cooperi var. cooperi La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2337 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west of Ryan Mountain; Gravelly flats near Ryan Mountain campground (Stop 1) Comment
  JOTR32192  Ericameria cooperi var. cooperi Herskovits, Tasya, M. Harding 2011-5-20 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; Ryan Mountain; Rocky slopes bordering Ryan Mountain Trail (Stop 2) 1524 Comment
  RSA674530  Ericameria cuneata Scott D. White 2000-11-16 8153 Riverside North of Alvin Meadow near USFS Road 5S10 (Red Hill Rd) (Lk Fulmor/Blackburn Cyn. 1616 Comment
  RSA0117926  Ericameria linearifolia Sarah J. J. De Groot, Cheryl Sevilla 2016-3-15 7636 Riverside Santa Rosa Mountains: along Dunn Road between Haystack and Asbestos Mountains; southwest of Palm Desert, northeast of Potrero Spring, between Palm and Deep Canyons. 1231 Comment
  UCR49992  Ericameria palmeri var. pachylepis S. J. Myers 1987-10-27 s.n. Riverside Peninsular Range; Santa Ana Mtns., c. 3 mi. west of Temecula, NE portion of Santa Rosa Plateau, 3/4 mi. east of Walker Basin 488 Comment
  SD43541  Ericameria paniculata Philip A. Munz 1946-10-20 11585 Riverside Cottonwood Springs, Joshua Tree National Monument. 1064 Comment
  LA203163  Ericameria teretifolia Elizabeth McClintock; L. Erickson 1937-11-6 sn Riverside Palms-to-Pines Highway Comment
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Feb 27 2014
  RSA720464  Erigeron divergens Naomi Fraga, Bryan Carey 2006-6-1 1689 Riverside Near Morris creek on a 4W drive trail, ca. 1/2 mile SW of Tripp Meadow. 1585 Comment
  UCR262561  Erigeron foliosus T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3760 Riverside San Jacinto Mountains, San Jacinto River Canyon, c. 0.16 mi south-southwest of the dirt parking area at the head of the South Fork Trail (FSR 2E17) from Hwy 74 1250 Comment
  CHSC318  Erigeron foliosus var. foliosus E. Thomas 1940-5-26 Riverside Temecula Canyon. Comment
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Mar 27 2011
  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
  UCR24942  Erigeron foliosus var. foliosus A. C. Sanders 1980-7-18 1660 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  RSA89920  Erigeron foliosus var. stenophyllus E. K. Balls, Percy C. Everett 1953-7-1 18351 Riverside 2.2 miles NW of boundary of San Bernardino National Forest, raod from Idyllwild to Banning. Comment
  RSA601198  Erigeron strigosus S. Morgan 1994-3-25 94 -1 Riverside A weed in the UCR Botanic Garden Comment
  RSA724051  Eriochloa aristata R. E. Riefner 2004-7-31 4 -352 Riverside City of Hemet; along Florida Ave. (Hwy. 74) near Grant Ave. 547 Comment
  UC495189  Eriodictyon crassifolium Philip A. Munz 1932-4-24 12390 Riverside Snow Creek Canyon; San Jacinto Mts., Snow Creek Canyon 457 Comment
  RSA0038305  Eriodictyon crassifolium Louis B. Ziegler 1969-7-1 s.n. Riverside Near Morris Ranch. Hemet Valley, San Jacinto Mts. Comment
  RSA393080  Eriogonum apiculatum Anstruther Davidson 1930-1 s.n. Riverside Tahquitz Ridge. 2439 Comment
  RSA766437  Eriogonum apiculatum E. L. Peterson 1931-9-8 s.n. Riverside Ridge trail to Tahquitz Peak, along S side of Tahquitz Valley. San Jacinto Mts. 2439 Comment
  JOTR16809  Eriogonum davidsonii Baker, James K. & Baker, Ilisa T. 1966-6-17 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS Comment
  SD229216  Eriogonum davidsonii Dick Schwenkmeyer 2012-10-16 925 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 551 Comment
  CAS-BOT-BC256131  Eriogonum deflexum var. deflexum Ynez Whilton Winblad 1937-1-16 s.n. Riverside Box Canyon Comment
  RSA27862  Eriogonum deflexum var. deflexum C. L. Hitchcock 1940-3-30 5875 Riverside Cottonwood Spring. Comment
  RSA727604  Eriogonum deflexum var. rectum Naomi Fraga, Lisa Rojas 2005-2-10 1395 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  SEINET6418006  Eriogonum elongatum J. C. Ross 1965-9-14 Riverside Hills south of Beaumont. Comment
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Nov 8 2015
  SD136785  Eriogonum elongatum var. elongatum Steve Boyd, T. Ross, D. Bramlet 1992-9-9 7680 Riverside San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, Ao mile upstream from top of Tenaja Falls 395 Comment
  RSA5293  Eriogonum fasciculatum var. flavoviride Carl B. Wolf 1932-10-12 4293 Riverside Above Pinyon Well, Little San Bernardino Mts. 1220 Comment
  POM99016  Eriogonum fasciculatum var. flavoviride E. C. Jaeger 1926-3-26 s.n. Riverside White Tanks, Pinto Mountains. Comment
  RSA0005004  Eriogonum fasciculatum var. flavoviride P. A. Munz 1921-4-30 4505 Riverside Pinyon Wells 1220 Comment
  LA206795  Eriogonum fasciculatum var. polifolium Norman C. Cooper; 1944-4-8 1080 Riverside Andreas Canyon 304 Comment
  RSA771743  Eriogonum fasciculatum var. polifolium Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4759 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119. 604 Comment
  SBBG35134  Eriogonum fasciculatum var. polifolium T. L. Secrest 1948-4-7 Riverside 5 mi below Whitewater 274 Comment
  UCR24943  Eriogonum gracile var. gracile A. C. Sanders 1980-7-18 1636 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  RSA180361  Eriogonum gracile var. incultum E. W. Lathrop 1960-6-9 4973 Riverside 14 miles west of Murrieta. Comment
  RSA500167  Eriogonum gracile var. incultum Steve Boyd, Tim S. Ross, Laurel Arnseth 1989-6-10 3660 Riverside Vail Lake area, Temecula Creek canyon below the dam. 457 Comment
  CAS-BOT-BC257572  Eriogonum inflatum H. M. Hall 1901-6-1 2120 Riverside San Jacinto Mountains. Eastern base, along the borders of the Colorado Desert Comment
  POM115631  Eriogonum maculatum Louise Kellogg, Annie M. Alexander 1941-5-15 2177 Riverside north base of Eagle Mountains. 915 Comment
  UCR50888  Eriogonum maculatum A. C. Sanders 1988-5-11 7814 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal, east of the gasline road from Niland 549 Comment
  UCR24945  Eriogonum molestum A. C. Sanders 1980-7-18 1639 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  RSA339230  Eriogonum nidularium Robert F. Thorne, Rolf, Gertrud Dahlgren 1979-8-23 53598 Riverside Pinto Basin Road: Along road at meeting area of Mojave and Colorado Deserts 1098 Comment
  JOTR35311  Eriogonum nudum var. pauciflorum Wheeler, Mark 2011-10-20 s.n. Riverside Joshua Tree National Park. large wash about 1 mile SW of Eureka Peak. 1380 Comment
  UC217840  Eriogonum nudum var. pauciflorum P. A. Munz 5989 Riverside Tahquitz Valley San Jacinto Mts., Tahquitz Valley 2225 Comment
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Sep 8 2011
  CLARK-A1528-745  Eriogonum plumatella Charlotte Stocks 1964-6-17 Riverside Whitewater Comment
  JOTR36391  Eriogonum plumatella La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3344 Riverside Joshua Tree National Park. Little San Bernardino Mtns: Pushwalla Canyon, approx 300 m from fork in road, up mouth of canyon Comment
  POM162495  Eriogonum plumatella var. jaegeri E. C. Jaeger 1928-06 s.n. Riverside Cottonwood Springs, Mojave Desert. Comment
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Oct 9 2010
  JOTR33737  Eriogonum pusillum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2736 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Exposed aplite vein forming a prominent rib line with loose, cobble slope surrounding it (Stop 3) Comment
  RSA0094198  Eriogonum pusillum Jim M. Andre 2012-4-11 20795 Riverside Little San Bernardino Mountains; western margin of Eagle Mtns, along road to Cottonwood Spr (Utah Trail), 0.7 mi. north of Cottonwood Visitor Ctr. 956 Comment
  SBBG1606  Eriogonum pusillum H. and M. Dearing 1942-3-7 4813 Riverside Cathedral City Comment
  CAS-BOT-BC263505  Eriogonum thomasii Noel H. Holmgren; Patricia K. Holmgren 1974-3-23 7468 Riverside Box Canyon wash, 11.4 (9 airline) miles east-northeast of Mecca 243 Comment
  CAS-BOT-BC263515  Eriogonum thomasii Marcus E. Jones 1926-2-16 s.n. Riverside Near Shaver's Well, Colorado Desert Comment
  CAS-BOT-BC263544  Eriogonum thomasii F. H. Billings 1926-2-6 17 Riverside Desert near Palm Springs Comment
  RSA176944  Eriogonum thomasii D. Bates 1960-3-3 2300 Riverside Route 195, 7.3 miles SW of junct. with routes 60-70. At the base of S facing bluffs in Box Canyon. Comment
  RSA64621  Eriogonum thomasii F. W. Peirson 1926-1-31 6490 Riverside Dos Palmas [Spring], Colorado Desert. Comment
  SBBG65529  Eriogonum thomasii L. Rowntree 1929-5-15 Riverside Morongo Pass Comment
  JEPS56272  Eriogonum thurberi Dr. L. M. Newlon 1922-4-5 462 Riverside e Palm Springs; San Jacinto Mts. Comment
  RSA0105832  Eriogonum thurberi Alan Romspert 2000-7-28 s.n. Riverside Half way between Market St. and Riverside Ave. Bridges. 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
  SBBG1634  Eriogonum trichopes H. and M. Dearing 1930-4-13 114 Riverside Palm Springs vicinity Comment
  SEINET9369605  Eriogonum trichopes Unknown 1976-5-4 Riverside Red Mountain Road. Comment
  UCR111231  Eriogonum trichopes S. G. Stokes 1933-4-9 51 Riverside Sonoran (Colorado) Desert, South of Palm Springs 244 Comment
  UCR90322  Eriogonum trichopes Ed LaRue 1993-4-29 s.n. Riverside Sonoran (Colorado) Desert, Blythe landfill, along Blythe-Midland Road, 3 mi. south of the Big Maria Mtns, 6 mi. west of Colorado River 137 Comment
  POM48949  Eriogonum umbellatum subsp. munzii P. A. Munz, I. M. Johnston 1924-7-26 8722 a Riverside Saw Mill on Banning-Idyllwild Rd. 1707 Comment
  UCSB70084  Eriogonum wrightii var. membranaceum Sanders, A.; Thomas, Tim 2008-8-1 Riverside Peninsular Range; San Jacinto Mtns.: Coldwater Creek near Mountain Center, SE of Keenwild Fire Station (Idyllwild 73' Q.) 1448 Comment
  CAS-BOT-BC261784  Eriogonum wrightii var. nodosum Louis C. Wheeler 1933-12-1 2294 Riverside Mouth of Tahquitz Canyon, San Jacinto Mts. 152 Comment
  CAS-BOT-BC261789  Eriogonum wrightii var. nodosum Louis C. Wheeler 1933-12-1 2294 Riverside Mouth of Tahquitz Canyon, San Jacinto Mts. 152 Comment
  UC1133262  Erioneuron pulchellum H. S. Yates 1937-3-24 6454 Riverside Deep Canyon Thermal Quadrangle Comment
  CAS-BOT-BC298480  Eriophyllum ambiguum var. paleaceum Edmund C. Jaeger No date on label s.n. Riverside Eagle Canon 91 Comment
  POM357970  Eriophyllum confertiflorum Norman C. Cooper 1947-4-5 2115 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  SD126657  Eriophyllum confertiflorum Ed LaRue 1989-4-25 Riverside 2 miles northwest of Lake Elsinore, adjacent to Cleveland National Forest at mouths of Rice and McVicker Canyons. 490 Comment
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Nov 17 2011
  UCR241498  Eriophyllum confertiflorum Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 220 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  POM8304  Eriophyllum multicaule P. A. Munz, R. D. Harwood 1920-3-20 3386 Riverside Temescal Canyon. 366 Comment
  UC896341  Eriophyllum multicaule C. B. Clokey, I. W. Clokey and B. C. Templeton 1930-4-15 4734 Riverside open slope Gavilan Peak 600 Comment
  UCR126441  Eriophyllum multicaule T. B. Salvato, A. C. Sanders, Mitch Provance et al. 2000-4-30 69 Riverside Riverside, Box Springs Mtns. along road to radio towers from reserve parking lot 854 Comment
  UCR91226  Eriophyllum multicaule Scott D. White 1996-3-31 3863 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  RSA92387  Eriophyllum multicaule F. W. Peirson 1922-4-29 2927 Riverside Road to Leach Canyon 1 mile N of Lake Elsinore. Comment
  SEINET8687403 Image available Eriophyllum multicaule I. W. Clokey 1935-4-18 6487 Riverside Gavilan 600 Comment
  UC31773  Eriophyllum wallacei H. M. Hall 1901-6-1 2053 Riverside s slopes in the vicinity of Chalk Hill; San Jacinto Mountains 1524 Comment
  UCR154735  Eriophyllum wallacei T. B. Salvato, Kent Beaman 2005-5-16 764 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
  UCSB18835  Eriophyllum wallacei Schevill, Peggy 1963-5-5 Riverside Pinyon Flats Campground, State Highway 74 1219 Comment
  UCR105429  Erodium botrys A. C. Sanders, O. F. Clarke 1997-5-4 20671 Riverside Beaumont, near railroad on east side of Hwy 79, south of Hwy I-10 793 Comment
  UCD103135  Erodium brachycarpum J. C. Roos 1966-3-22 s.n. Riverside Edgemont. Comment
  SFV11886  Erodium cicutarium R. H. Swade 1963-12-7 s. n. Riverside Colorado Desert Open desert west of Snow Creek Road, about 3 miles south of Interstate 10 intersection with California State Highway 111. 366 Comment
  CHSC105717  Erythranthe diffusa P. A. Munz; I. M. Johnston 1922-5-20 5467 Riverside Kenworthy, San Jacinto Mountains 1463 Comment
  RSA0020246  Erythranthe floribunda Jenkins, Street 1917-5-30 s.n. Riverside San Jacinto Canyon. Comment
  RSA0019309  Erythranthe guttata John F. Emmel 1983-6-26 869 Riverside SE end San Jacinto Mts.; along trail from Tripp Meadow to Cedar Spring, ca. 0.7 air mile NNW of Pyramid Peak. 1829 Comment
  SEINET13732758 Image available Erythranthe primuloides A. J. Breitung 1953-1 15572 Riverside Mt. San Jacinto. 2438 Comment
  UCR77710  Eschscholzia caespitosa Steve Boyd 1991-5-10 6210 Riverside Santa Ana Mtns, Base of range just north of mouth of Hagador Canyon, bottom Skyline Drive 459 Comment
  RSA543978  Eschscholzia caespitosa subsp. caespitosa Steve Boyd 1991-5-10 6210 Riverside Santa Ana Mountains, base of range, just N of mouth of Hagador Cyn at bottom of Skyline Drive. 427 Comment
  RSA433691  Eschscholzia californica Clyde Stratton 1943-7-23 s.n. Riverside Riverside Comment
  SDSU13326  Eschscholzia californica Ryan Jacobson, Jeremy Mass 2000-4-19 Riverside Jeep trail along Stone Creek, Santa Margarita Ecological Reserve. About 1.5 miles from south-side facilities. 177 Comment
  UC917873  Eschscholzia californica Frank W. Gould 1944-4-5 2224 Riverside 17 mi e Temecula Comment
  CSUSB1238  Eschscholzia minutiflora J. E. Parlevliet 1958-4-19 Riverside Along highway to Twenty-Nine Palms about 2 miles up this road from where it starts on highway Riverside-Indio, till first sign on right, "Kings Ranch." 304 Comment
  LA46282  Eschscholzia minutiflora H. Lewis; 1949-3-26 2222 Riverside 5 mile W of Cottonwood Springs, hwy 60/70 Comment
  RSA66747  Eschscholzia minutiflora F. W. Peirson 1921-3-20 4175 Riverside Andreas Canyon near Palm Springs 213 Comment
  RSA695435  Eschscholzia minutiflora Scott D. White, Michael Honer 2003-5-14 9288 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  RSA779722  Eschscholzia minutiflora Duncan S. Bell 2009-3-8 90 Riverside Arica Mountains: west side of mountain range in main western drainage approximately 2.5 air miles west of Priest Well or approximately 7 air miles southwest of the ghost town of Rice. 420 Comment
  RSA796324  Eschscholzia minutiflora Duncan S. Bell 2009-4-18 215 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  SD248466  Eschscholzia minutiflora T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7296 Riverside Sonoran (Colorado) Desert: south of Hwy I-10, north of the Chuckwall Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road (East of Aztec Mines 7.5'Q) 136 Comment
  UC1093132  Eschscholzia minutiflora Richard Snow 1953-4-5 51 Riverside Box Canyon Comment
  SEINET5339996  Eschscholzia minutiflora var. darwinensis I. W. Clokey 1935-4-17 6628 Riverside Cottonwood Springs. Comment
  CAS-BOT-BC419606  Eschscholzia parishii W. R. Ernst 1960-3-15 720 Riverside East of Indio on Highway 60-70, about 6 miles west of Cactus City Comment
  CAS-BOT-BC419616  Eschscholzia parishii Javier Penalosa 1963-4-11 2805 Riverside Pines to Palms Hwy. (#74) above Palm Desert 762 Comment
  CAS-BOT-BC419631  Eschscholzia parishii G. K. Helmkamp; E. A. Helmkamp 1998-2-18 2735 Riverside Colorado Desert: Chuckwalla Mts. 10.6 mi SW of Chuckwalla Valley Rd. on Graham Pass Road Comment
  UC1608075  Eucalyptus camaldulensis A. C. Sanders 1985-12-19 5953 Riverside 3 mi. w. San Jacinto (s.e. corner of the intersection of Cottonwood Ave. & Warren Rd., at Cottonwood (Reflection) Lake); Cottonwood (Reflection) Lake 487 Comment
  SEINET7904490  Eucalyptus robusta Paul Schallert 1957-1 10883 Riverside Banning. Morongo Moravian church-yard Comment
  UC1929299  Eucrypta chrysanthemifolia var. chrysanthemifolia Scott D. White, Jamie Minor 2008-3-13 11769 Riverside San Gorgonio Pass; Banning- S of Union Pacific Railroad, powerline route from Sunset Ave. to 1 mile W. Comment
  SFV6303  Eucrypta micrantha T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 57 Riverside Little San Bernardino Mountains Little San Bernardino Mountains. Berdoo Canyon. Comment
  JOTR38694  Eulobus californicus Hodges, Stephen R. 2017-2-7 710 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
  RSA0103963  Eulobus californicus Duncan S. Bell, LeRoy Gross 2015-3-10 7770 Riverside San Gorgonio Wilderness area; Mission Creek; just below (south of) the San Bernardino/Riverside county border. 830 Comment
  UC1122262  Eulobus californicus H. S. Yates 1937-3-24 6452 Riverside mouth of Deep Canyon Thermal Quadrangle Comment
  JEPS9603  Euonymus occidentalis var. parishii Carl V. Meyer 1928-7-24 514 Riverside Shady canyon above Idyllwild Falls; San Jacinto Mountains, above Idyllwild Falls Comment
  RSA651894  Euphorbia Marion P. Harthill 1971-3-19 8 Riverside Palm Desert. Comment
  SEINET10913806  Euphorbia David B. Dunn, Shogo; Schroeder; Bruskin; A. Folsom 1948-3-13 Dunn 3714 Riverside Found growing in a wash. Indio Hills, Colorado Desert. Near Pushawalla. Comment
  UCD142522  Euphorbia albomarginata K. Esau 1935-6-15 s.n. Riverside Riverside. Comment
  UCR223972  Euphorbia albomarginata A. C. Sanders 2011-3-23 38801 Riverside Peninsular Range; Gavilan Hills Region, powerline corridor, SW of Perris, east of Hwy 74 between the highway and the San Jacinto River, south of Ethanac Rd. 440 Comment
  RSA0102792  Euphorbia lurida Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8586 Riverside Santa Rosa Mountains; collecting on forested slope between forest service road and the summit of Santa Rosa Mountain. 2324 Comment
  UCD142573  Euphorbia micromera Geoffrey Levin 1976-10-17 1172 Riverside Box Canyon, about 11 miles east of Mecca. Mecca Hills Mountain Range. 91 Comment
  UCR211499  Euphorbia micromera Jim Andre, T. La Doux 2008-9-13 10266 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177 (NW side), southeast end of Coxcomb Mountains, east boundary of Joshua Tree National Park 161 Comment
  UCR28985  Euphorbia micromera A. C. Sanders 1982-12-19 3452 A Riverside Sonoran (Colorado) Desert, foot of Santa Rosa Mtns, Coachella Valley, south side of the ridge forming the south boundary of Martinez Canyon; west end of Ave 74, 2.6 miles west of Polk Street 122 Comment
  UCR5294  Euphorbia micromera O. F. Clarke 1966-10-5 661005- 25 Riverside Santa Rosa Mtns./ Sonoran (Colorado) Desert, University of Calif, Riverside Reserve [Deep Canyon], Big Horn Drive [to?] Royal Carrizo Rd 915 Comment
  UCR85435  Euphorbia ocellata George K. Helmkamp 1994-4-26 88 7 Riverside Western Colorado Desert, Indio Hills; north of the landfill on Edom Hill 213 Comment
  SD119921  Euphorbia polycarpa Louis B. Ziegler 1976-9-20 555 Riverside Colorado Desert, north end around Desert Hot Springs, sandy washes & hillsides 380 Comment
  RSA432480A  Euphorbia polycarpa var. hirtella N. C. Cooper 1944-7-15 1576 Riverside Palm Springs. 122 Comment
  UCR239870  Euphorbia prostrata O. F. Clarke 2004-5-4 s.n. Riverside Riverside, UCR Campus 335 Comment
  UCR277705  Euphorbia serpens Mitch Provance 2012-11-3 1112- 04 Riverside San Timoteo Canyon, West Beaumont, N side of Oak Valley Parkway (San Timoteo Canyon Rd.), 1.5 miles W of I-10. 709 Comment
  RSA600225  Euphorbia supina L. C. Wheeler 1960-5-12 7703 Riverside University of California at Riverside. Comment
  SEINET8720621 Image available Fagonia chilensis Helen K. Sharsmith 1952-1 4062 Riverside Larrea-Olneya association. Northwest base of Chuckawalla Mountains seven miles south of Highway 60-70. 533 Comment
  IRVC28829  Fagonia laevis Mark A. Elvin 2005-4-26 4230 Riverside Coachella Valley/Indio Hills; N of I-10. Northern Sonoran Desert 198 Comment
  RSA457795  Fagonia laevis Steve D. Boyd, Richard Noyes, S. Meury, L. Arnseth, D. Nordin, Tim Ross 1988-3-10 2203 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  RSA77843  Fagonia laevis F. W. Peirson 1920-2-16 2029 Riverside Palm Canyon stream below the canyon, Palm Springs. region Comment
  UCR90301  Fagonia laevis F. M. Reed 1920-3-25 4271 Riverside Sonoran (Colorado) Desert, Near Indian Wells Comment
  RSA45531  Fagonia pachyacantha J. C. Roos, L. Roos 1949-4-6 4146 Riverside Orocopia Mts., 2.5 mi. northeast of Dos Palmos Springs. 183 Comment
  RSA77845  Fagonia pachyacantha F. W. Peirson 1922-4-12 2889 Riverside along boulevard, 18 mi. southeast of Coachella. Comment
  UCR208455  Fagonia pachyacantha Scott D. White, Justin M. Wood 2009-3-24 12573 Riverside Colorado Desert, western foothills of Mecca Hills, c. 0.5 air mi east of the Coachella Canal and 4 air mi south of the I-10 Fwy 27 Comment
  RSA667079  Fatoua villosa A. C. Sanders, T. B. Salvato 2001-10-8 24878 Riverside Santa Ana River Valley region; Riverside, UCR Campus in old Citrus Expt. Station lath house near the intersection of S Campus Dr. and E. Campus Dr. just N of the reservoir. 351 Comment
  RSA0120132  Festuca arundinacea Duncan S. Bell, Thomas Stoughton 2016-4-13 9272 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  UCR250107  Festuca microstachys A. C. Sanders 2014-4-9 41008 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 0.2 km NW of intersection with Indian Truck Trail 354 Comment
  UCR155332  Festuca myuros A. C. Sanders, Mike Misenhelter 2005-3-23 29270 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  RSA387345  Filago arizonica Steve Boyd 1986-5-7 1825 Riverside Temescal Canyon Alberhill Mountain: lower slopes of S flank just east of clay mine area 427 Comment
  RSA525276  Filago californica Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4590 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  UCR128562  Filago californica A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23907 Riverside Perris-Aguanga Basin region, Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 396 Comment
  UCR274193  Filago californica T. B. Salvato, Gregg Miller 2005-6-7 1435 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 Comment
  UCR101333  Filago gallica A. C. Sanders 1997-4-10 20316 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  UCR156088  Filago gallica T. B. Salvato, Kent Beaman 2005-5-16 798 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
  UCR175073  Filago gallica Teresa Nieto 2005-5-26 27 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  UCR17335  Forestiera pubescens N. R. Zabriskie, W. W. Zabriskie 1971-8-20 426 Riverside Santa Rosa Mtns, Canyon above first turnout E side of Santa Rosa Mountain Road, 0.6 mi above Hwy 74 1524 Comment
  SEINET8754812 Image available Forestiera pubescens subsp. neomexicana Bonnie C. Templeton 1930-4-15 1476 Riverside Gavilan Peak Comment
  CAS-BOT-BC223605  Fouquieria splendens subsp. splendens Catherine A. Toschi 1963-4-10 63 :112 Riverside Boyd Desert Research Center, 5 miles south Palm Desert 304 Comment
  JEPS46442  Fouquieria splendens subsp. splendens W. L. Jepson 1912-10-30 5251 Riverside Black Point, Blythe intake Comment
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Jun 8 2012
  SEINET10690239  Frangula californica subsp. cuspidata Tracy Scott, Andrew Townesmith; Karen M. Meyer 2007-3-15 Scott 132 Riverside San Bernardino National Forest. 14.5 mi. S on Rt. 243 from US 10, at pulloff next to Soboba Penny Pine Plantation. 1602 Comment
  RSA0018439  Frangula californica subsp. cuspidata Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  UCR201819  Frankenia salina 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
  UCR256775  Frankenia salina T. B. Salvato, Matthew Malle 2013-5-20 7583 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 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
  RSA618388  Frasera parryi D. L. Banks 1997-5-5 1975 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
  CAS-BOT-BC217645  Fraxinus dipetala Joseph Andorfer Ewan 1933-3-19 10897 Riverside Tin Mine Canyon, Santa Ana Mts. Comment
  JEPS42943  Fraxinus velutina Marjorie D. Clary 1932-7-4 938 Riverside 10 mi se Kenworthy; Santa Rosa MTs. Comment
  UCD122023  Fraxinus velutina A. C. Sanders; O. F. Clarke 1991-6-10 11132 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  CAS-BOT-BC130240  Fritillaria biflora 1895-4-1 s.n. Riverside Coast Range near S. Riverside Comment
  POM13898  Funastrum hirtellum P. A. Munz, D. D. Keck 1922-4-9 4773 Riverside Shavers Well, near Mecca. 76 Comment
  RSA339250  Funastrum hirtellum R. F. Thorne, Gertrud Dahlgren 1979-8-23 54607 Riverside Pinto Basin RoadL Cholla Garden 1098 Comment
  UCR244894  Funastrum hirtellum Jim Andre 2012-3-19 21374 Riverside Sonoran (Colorado) Desert, Palen Valley along Palen Pass Rd [Coxcomb Monument Rd.] (dirt), 7.1 mi. east of Hwy 177 321 Comment
  JEPS52914  Galium Lauramay T. Dempster and G. L. Stebbins 1966-6-17 4243 Riverside 0.9 mi n Alvin Meadows (Red Hill Rd); San Jacinto Mts. 1661 Comment
  LA208395  Galium andrewsii Robert G. Engman; sn Riverside San Jacinto Mountains, San Jacinto Mts Comment
  RSA33833  Galium andrewsii subsp. andrewsii N. C. Cooper 1944-5-22 1244 Riverside Pinyon Flats, Palms to Pines Highway. San Jacinto Mtns. 1220 Comment
  CAS-BOT-BC223033  Galium angustifolium B. Pitzer 1997-3-23 2955 Riverside Lakeview Mtns, ca. 1 air mi. SSW of Mt. Rudolph, along powerline rd .3 mi. E of Contour (Juniper Flats) Rd. 610 Comment
  CAS-BOT-BC499146  Galium angustifolium Valerie Soza; Steve Boyd 2004-6-22 1727 a Riverside San Jacinto Muntains, SE side of Lake Fulmor, slope above Hwy 243 (Hall Canyon) 1615 Comment
  UCR59661  Galium angustifolium Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3527 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, hills just to SW of the dam 489 Comment
  JEPS56078  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4249 Riverside steep s-facing slope just below Toro Peak ((i.e. s of saddle e of peak)); Santa Rosa Mts. 2499 Comment
  RSA0099989  Galium angustifolium subsp. angustifolium Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8580 Riverside Santa Rosa Mountains; on a small ridge/summit area just to the south of the summit of Santa Rosa Mountain. 2438 Comment
  RSA33783  Galium angustifolium subsp. angustifolium N. C. Cooper 1944-5-19 1300 Riverside Banning. 701 Comment
  RSA772405  Galium angustifolium subsp. angustifolium Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4860 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  SD229269  Galium angustifolium subsp. gracillimum Dick Schwenkmeyer 2012-8-28 820 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
  RSA689703  Galium angustifolium subsp. jacinticum Valerie L. Soza, Naomi S. Fraga, Sarah Swartzentruber 2003-6-25 1696 b Riverside Fuller Mill Creek just N of junction with Dark Canyon. 1494 Comment
  RSA761273  Galium angustifolium subsp. jacinticum Shawn Krosnick, Naomi S. Fraga, Lucinda A. McDade 2010-8-14 673 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA652667  Galium aparine Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. 610 Comment
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May 20 2012
  JOTR34281  Galium munzii La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3296 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Ridgeline just south of Quail Mountain peak with steep loose slopes and rocky outcrops (Stop 6) Comment
  RSA19550  Galium stellatum Roxana S. Ferris, Ruth P. Rossbach 1938-5-15 9544 Riverside Cottonwood Springs Canyon. Comment
  RSA457786  Galium stellatum Steve D. Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2212 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  UCR25406  Galium stellatum subsp. eremicum John C. Roos, Lucille Roos 1949-4-6 4144 Riverside Sonoran (Colorado) Desert, Canyon in the Orocopia Mountains, 2.5 mi. NE of Dos Palmas Spring 152 Comment
  CAS-BOT-BC217619  Galium stellatum subsp. stellatum Milo S. Baker 1928-4-3 2786 b Riverside Palm Canyon Comment
  LA208441  Galium stellatum var. eremicum Ralph Hoffmann; 1931-6-14 509 Riverside 6 mi S of 29 Palms on road to Gold Park Comment
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Mar 9 2014
  UCR90806  Gamochaeta pensylvanica A. C. Sanders, G. K. Helmkamp 1996-3-17 17996 Riverside Coachella Valley, Cathedral City, Cathedral Plaza, Hwy 111 at Date Palm Dr. 91 Comment
  RSA23667  Garrya flavescens var. pallida Carl B. Wolf 1939-1-20 9485 Riverside Santa Ana Mts., East side, along Eagle Motor Way, 1 mi. below summit 915 Comment
  RSA115033  Garrya veatchii E. K. Balls, P. C. Everett, S. Tillett 1955-7-19 20972 Riverside San Jacinto Mts., Hwy 74, Hemet to Idyllwild, 2.8 mi. NW from Mountain Center 1189 Comment
  CHSC23885  Geraea canescens T. M. Lane 1975-3-24 3 Riverside In a wash, 1 mi n of US Interstate 10 at s entrance of Joshua Tree National Monument on Pinto Basin Rd. Mojave Desert. 533 Comment
  RSA27446  Geraea canescens I. L. Wiggins 1941-3-24 9570 Riverside 0.3 miles south of Myoma, 4.6 miles north of Indio. Comment
  SBBG92240  Geraea canescens D. F. Howe 1980-4-15 Riverside Interstate 10, ca. 2 mi W of Mesa Verde, McCoy Mtns Comment
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Jul 18 2012
  SEINET8753916 Image available Geraea canescens Norman C. Cooper 1944-1 2633 Riverside Palm Springs 137 Comment
  UC809707  Geraea canescens E. K. Balls 1949-4-2 12891 Riverside on Hwy 60 20 mi from Whitewater; Colorado Desert 121 Comment
  RSA559426  Geranium carolinianum Steve Boyd 1992-4-15 6875 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  RSA60330  Geranium richardsonii G. R. Campbell 1948-7-4 617 Riverside Azalea Trails Girl Scout Camp, Dark Canyon, north of Idyllwild. 1738 Comment
  RSA675690  Gilia Scott D. White, Bill La Haye 2001-4-28 8429 Riverside Colorado Desert: Coachella Valley, east of Dillon Road, ca. 6 road miles north of the I-10 Freeway. 137 Comment
  UCR193133  Gilia A. C. Sanders, Tim Thomas 2008-6-20 35528 Riverside Peninsular Range; San Jacinto Mtns., May Valley area, at spring with trough, along dirt road (May Valley Rd.) c. 1.5 mi. ENE of Keenwild, 0.5 mi. NW of FS Rd. 5S05 1610 Comment
  RSA523916  Gilia achilleifolia subsp. multicaulis G. H. True 1935-2-26 17 Riverside Mockingbird Canyon. 366 Comment
  RSA4383  Gilia angelensis Dorothy R. Wolf 1932-3-20 29 Riverside Richman Ranch 2.5 mi N of De Luz. SW. 457 Comment
  RSA627297  Gilia angelensis George K. Helmkamp 1998-4-3 3083 Riverside West Palm Springs Village area, vic. of Hwy I-10 & Verbenia Ave.; 4 mi. N of Tamarack Rd on Cottonwood Rd. 1280 Comment
  RSA768654  Gilia angelensis Justin M. Wood 2010-3-19 1427 Riverside Beaumont: Near Smith Creek, E of Sun Lakes off S Highland Home Rd. 747 Comment
  RSA483575  Gilia capitata subsp. abrotanifolia D. Charlton 1988-5-21 1972 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74 1677 Comment
  JEPS4110  Gilia diegensis Carl V. Meyer 1927-6-18 774 Riverside upper part Hemet Valley , upper part Hemet Valley (San Jacinto Mts.) 1219 Comment
  SD7671  Gilia diegensis 1882-5-3 Riverside Temecula Comment
  SD7672  Gilia diegensis May 1881 Riverside Temecula Comment
  UCR71847  Gilia maculata George K. Helmkamp 1992-4-16 92- 4 Riverside Western Colorado Desert, Coachella Valley, Mission Creek, 0.4 mi. south of Indian Avenue, on old Hwy 62 500 Comment
  JEPS4120  Gilia ochroleuca subsp. exilis W. L. Jepson 1903-8-5 2261 Riverside Strawberry Valley San Jacinto Mt. 1676 Comment
  RSA0016274  Gilia ochroleuca subsp. exilis A. C. Sanders, Tim Thomas 2008-6-20 35526 Riverside May Valley area, at spring with trough, along dirt road (May Valley Rd.) c. 1.5 mi. ENE of Keenwild, 0.5 mi. NW of FS Rd. 5S05 1600 Comment
  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
  CDA40024  Gilia stellata T. C. Fuller 1963-4-23 10278 Riverside Box Canyon Wash, Mecca-Blythe Road (Highway 195), 11.8 miles northeast of Mecca. 0 Comment
  UCR269837  Gilia stellata A. C. Sanders, Jim Malusa 2016-3-18 42381 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  UC63393  Glycyrrhiza lepidota H. M. Hall 1904-5-26 4967 Riverside West Riverside 213 Comment
  RSA632470  Gnaphalium stramineum Scott D. White 1998-6-17 6752 Riverside Gavilan Hills, W Riverside Co.: Along Gavilan Rd. or Santa Rosa Mine Rd.; ca. 7 mi survey route from Gavilan/Cajalco Rd. jtn. south and east to Santa Rosa Mine/Post Rd. jtn. 488 Comment
  RSA778251  Guillenia lasiophylla Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-30 918 Riverside East Mojave Desert region: McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 335 Comment
  RSA0026295  Guillenia lasiophylla John F. Emmel 1991-4-22 1165 Riverside Oak Mountain NE of Pauba Valley; grassland scrub plateau area 0.7 air mile SW of 2706 peak of Oak Mtn. 595 Comment
  RSA736660  Gutierrezia californica Justin M. Wood 2008-7-16 26 Riverside Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan property, Alberhill area. Comment
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Jul 27 2010
  UCR133678  Gutierrezia californica John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR14021A  Gutierrezia sarothrae George K. Helmkamp 1973-10-3 s.n. Riverside San Jacinto Mtns, On Palms to Pines Hwy at junction to Idyllwild [Mountain Center] Comment
  UCR134608  Haplopappus acradenius Marisa Sripracha, Kyle Boyd 2004-2-14 031 Riverside Sonoran (Colorado) Desert, Myoma, on the Thousand Palms Preserve, near the palm oasis just off Thousand Palms Drive 190 Comment
  CLARK-A1528-1895  Haplopappus venetus subsp. vernonioides John C. Roos 1965-9-21 Riverside March Air Force Base Comment
  UCR174382  Harpagonella palmeri A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32568 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR217545  Harpagonella palmeri Diane Menuz 2008-4-9 399 Riverside Perris-Hemet Basin, Hartford Springs Reserve, near Idaleona Road 616 Comment
  UCR281216  Harpagonella palmeri var. palmeri Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-14 417- 38 Riverside Peninsular Ranges, Sedco Hills (east end), along Beverly St. (especially the S side), between Green Meadow Way and Upton Dr. 537 Comment
  UC62874  Helianthus californicus H. M. Hall 1901-7-1 2612 Riverside vicinity of Strawberry Valley (streams); San Jacinto Mountains 1584 Comment
  RSA659711  Helianthus niveus J. C. Roos 1965-4-28 s.n. Riverside Palm Springs. Comment
  JEPS35469  Helianthus petiolaris subsp. canescens Clary 1932-4-15 813 Riverside open desert w Indio Comment
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Dec 6 2011
  SD233777  Heliotropium curassavicum A. C. Sanders, Kelly Volansky 2003-10-16 27344 Riverside Moreno Valley: lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. (Riverside East 7.5' Q). 534 Comment
  UCD132956  Helminthotheca echioides A. C. Sanders 2000-11-15 23725 Riverside Perris-Aguanga Basin region: Moreno Valley, east side of ellsworth St. between Cactus Ave. and Allesandro Blvd., near 14400 Ellsworth. 476 Comment
  RSA16354  Hemizonia kelloggii P. C. Everett 1935-6-18 7178 Riverside San Juan Canyon, near Ortega Highway on road to Santiago Peak. 701 Comment
  UCR116670  Hemizonia kelloggii A. C. Sanders, Carolyn Washburn 2001-5-10 24242 Riverside Perris-Aguanga Basin, 1 mi. south of Winchester on the east side of Hwy 79 (Winchester Rd.) just south of Patton Ave. 488 Comment
  UCR135989  Hemizonia kelloggii 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
  UCR261270  Hemizonia kelloggii A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-19 41723 Riverside Temescal Canyon, across Temescal Canyon Rd. from Lee (Corona) Lake dam, N of I-15 Fwy, mouth of Indian Canyon Wash 354 Comment
  UCR82812  Hemizonia mohavensis A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15793 Riverside San Jacinto Mtns., 1 mi SE of Twin Pines Ranch, along minor gullies between Pines Creek and Dutch Creek, N slope 1195 Comment
  UCR82813  Hemizonia mohavensis A. C. Sanders, T. Schram, D. Wappler 1994-10-4 15769 Riverside San Jacinto Mtns., N slope of mtns.; Twin Pines Creek in vicinity of confluence w/ Brown Crk. & of the dirt road crossing 854 Comment
  UCR82815  Hemizonia mohavensis A. C. Sanders, T. Schram, D. Wappler 1994-10-4 15772 Riverside San Jacinto Mountains, N slope of the mountains; Brown Creek drainage 0.3-0.5 mi. above confluence with Twin Pines Cr. 915 Comment
  UCR114201  Hemizonia paniculata A. C. Sanders, D. Malueg, K. D. Jones, et al 2000-9-8 23640 Riverside Perris-Aguanga Basin Region, French Valley, near south end of Briggs Rd. on east side of Hwy 79, near industrial park, c. 0.5 km SE of Adobe Spring 384 Comment
  UCR199947  Hemizonia paniculata Scott D. White, Justin Wood 2008-5-27 12036 Riverside Peninsular Range; Perris-Aguanga Basin, I-215 freeway, between Clinton Keith and Alamos Rds. 457 Comment
  UCR258629  Hemizonia paniculata T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-6-2 8061 Riverside Peninsular Range; Perris-Aguanga Basin, rolling hills just north of Franklin Street between Miramar and Channing Way, c. 1 mi northeast of Lake Elsinore 429 Comment
  CDA6984  Hemizonia pungens subsp. laevis P. E. Hitchcock 1973-6-26 Riverside San Jacinto Valley area. 0 Comment
  UCR130519  Hemizonia pungens subsp. laevis R. E. Riefner Jr. 2003-5-27 03- 247 Riverside Elsinore Trough, back basin of Lake Elsinore, south of Lake Elsinore inlet and west of Diamond Stadium off Pete Lehr Drive 384 Comment
  JOTR30115  Hesperocallis undulata La Doux, Tasha, Bill Truesdell, Erin Babich 2008-3-10 1682 Riverside Joshua Tree National Park. Stop # 2 = Pinto Basin near Sandhill 538 Comment
  RSA550339  Hesperocallis undulata Walter Wisura, John Dolan, Michael Wall 1992-3-25 4649 Riverside Lowdesert: 0.5 mile S of I-10 along Wileys Well Road. 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
  CLARK-A1528-4388  Hesperocnide tenella John C. Roos 1937-2-21 1296 Riverside La Sierra Comment
  SEINET4118150  Hesperocnide tenella J. Mygatt, M. Mygatt; A. Munson 1996-1 M- 96 -91 Riverside Box Spring Mountain Park; end of Two Trees Road, not far from the trail head. Comment
  RSA741075  Heterocodon rariflorum Scott D. White, Justin M. Wood 2008-6-17 12154 Riverside San Jacinto Mountains: South of Hwy 79 near Keen Camp Summit. 1402 Comment
  RSA0074604  Heterotheca fastigiata Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia, et. al. 2010-4-12 4753 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 600 Comment
  UCR141232  Heterotheca grandiflora A. C. Sanders, Mike Misenhelter 2004-10-6 28835 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
  RSA0075883  Heterotheca grandiflora N. C. Cooper 1943-9-26 927 Riverside Cabazon. 549 Comment
  RSA339244  Heterotheca horrida subsp. cinerascens R. F. Thorne, Gertrud Dahlgren, R. Dahlgren 1979-8-22 53595 Riverside Joshua Tree National Monument: Hidden Valley. 1280 Comment
  RSA603300  Heuchera parishii R. E. Riefner 1997-8-7 97 -242 Riverside Santa Rosa Mountain: near summit 2439 Comment
  SEINET8481391 Image available Hibiscus denudatus A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40636 Riverside Sonoran (Colorado) Desert; Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  CAS-BOT-BC318754  Hieracium horridum Louis C. Wheeler 1931-10-3 191 Riverside Tahquitz Peak, San Jacinto Mts. 2682 Comment
  CLARK-A1528-4681  Hilaria rigida John C. Roos 1965-9-5 Riverside Chuckwalla Valley Comment
  LA8281  Hilaria rigida Nesta Dunn; A. M. Martin 1932-3-27 sn Riverside Cottonwood Spring Comment
  LA8282  Hilaria rigida Miss C. M. Wilder; May 1910 2915 Riverside near Palm Springs Comment
  UCD89948  Hilaria rigida James B. Garner 1959-4-20 USD 1 Riverside 6 miles west of Elyth. Comment
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May 29 2013
  UCR224685  Hilaria rigida Charles Hughes 2010-3-22 205 Riverside Sonoran (Colorado) Desert, about 9.4 miles south of Hwy 62, next to RR tracks 246 Comment
  UCR75541  Hilaria rigida A. C. Sanders, Harry Spilman, and C. N. P. S. field trip 1993-4-24 13787 Riverside San Bernardino Mountains, SE end of San Bernardino Mountains, S end of Whitewater Bench, E side of the mouth of Whitewater Canyon. 450 Comment
  UCSB51279  Hilaria rigida Roos, John 1965-9-5 Riverside 18 miles W. of Blythe Comment
  PASA1047  Hoffmannseggia densiflora Margaret Stason 1932-4-18 249 Riverside Roadside near Blythe Comment
  UCSB18870  Hoffmannseggia glauca Winn, Will 1963-4-8 Riverside U.S. Highway 60-70, 31 miles E of Desert Center 243 Comment
  CSUSB1228  Hoffmannseggia microphylla Rodney Hendrick 1965-3-14 Riverside In sandy area, dry wash, Box Canyon about 8 miles east of Mecca 182-274 Comment
  LA45807  Hoffmannseggia microphylla Nesta Dunn; A. M. Martin 1932-3-7 sn Riverside Oasis Comment
  RSA674575  Hoffmannseggia microphylla Scott D. White, Brian Leatherman 2000-10-5 8135 Riverside Near Berdoo canyon: Northeast of Dillon Rd., just S of mouth of Berdoo Canyon. On the S-facing bajada of the Little San Bernardino Mts. 183 Comment
  POM48124  Horkelia clevelandii Mary F. Spencer 1919-6-19 1202 Riverside Idyllwild. 1646 Comment
  UC114268  Horkelia clevelandii T. S. Brandegee 1889-7-1 Riverside San Jacinto Mts. Comment
  RSA433955  Horsfordia newberryi M. V. Hood 1931-05 s.n. Riverside Devil s Canyon, Coachella Valley. Comment
  CAS-BOT-BC201091  Hosackia crassifolia Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  RSA360714  Hulsea vestita subsp. callicarpha N. R. Zabriskie, Walter Zabriskie 1970-5-17 299 Riverside Strawberry Firebreak, south of end of Marion Ridge rd., Pine Cove San Jacinto Mts. 1920 Comment
  UC520000  Hydrocotyle umbellata Joseph Andorfer Ewan 1932-7-9 7494 Riverside Santa Ana R. at Rincon (Prado); Santa Ana R., Rincon (Prado) Comment
  SEINET2030094 Image available Hymenoclea salsola L. R. Abrams 1941-4-24 13935 Riverside San Gorgonio Pass, near Cabazon Comment
  RSA314159  Hymenopappus filifolius var. lugens Walter Wisura 1983-6-25 3914 Riverside Pacific Crest Trail betw. Morris Ranch and Fobes Ranch, San Jacinto Mts. Comment
  JEPS66802  Hypericum anagalloides I. W. Clokey and E. G. Anderson 1935-8-21 6833 Riverside N. Fork San Jacinto R. 1500 Comment
  RSA388391  Hypericum perforatum R. F. Thorne 1985-7-18 60067 Riverside Santa Rosa Plateau: Upper Clinton Keith Road 488 Comment
  CDA7500  Hypochaeris glabra Bob Russell 1977-7-1 442 -113 Riverside Ralph Hanson Ranch, Corancho Road, 8 miles west of Temecula. Comment
  RSA613641  Hypochaeris glabra D. L. Banks, Victor Steinmann 1997-3-13 1478 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  UCR59691  Hypochaeris glabra Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3532 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, hills just to SW of the dam 489 Comment
  RSA678349  Hyptis emoryi Steve Boyd, Amber Maurice, Pesach Lubinsky, Lel Lubinsky 2003-4-17 10463 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
  RSA788983  Hyptis emoryi Aaron C. Sedgwick, David Fraker 2012-3-28 23 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  UC65007  Hyptis emoryi E. E. Schellenger 25 Riverside Chucawalla Wells; Colorado Desert, Chucawalla Wells Comment
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Jan 23 2012
  VVC746  Hyptis emoryi var. emoryi P. J. MacKay, T. Thomas 1997-2-8 98 Riverside Colorado Desert, Palm Springs, Tahquitz debris basin mouth of Tahquitz Canyon Comment
  UCR114328  Ipomoea hirsutula Mitch Provance 1998-9-28 1158 Riverside City of Riverside, Hillside area, Joseph and Socorro Gomez residence, 5575 Dean Way. 238 Comment
  CAS-BOT-BC311606  Isocoma acradenia var. eremophila W. R. Dudley 1903-12-26 s.n. Riverside Palm Canon [Canyon] Comment
  CAS-BOT-BC311616  Isocoma acradenia var. eremophila S. B. Parish 1912-10-8 8353 Riverside Indio, Salton Sink -6 Comment
  SDSU13569  Isocoma menziesii var. vernonioides W. Miller 1972-8-25 Riverside Northwest cornerr along roadside in coastal sage. Comment
  RSA234061  Isoetes orcuttii R. F. Thorne, Earl Lathrop 1969-5-12 37943 Riverside Santa Ana Mountains, Santa Rosa Plateau, Mesa de Colorado, Rancho California 624 Comment
  SD68956  Isoetes orcuttii Robert F. Thorne, E. Lathrop, P. Munz 1968-5-8 37567 Riverside Santa Rosa Plateau, Rancho California, vernal marsh on Mesa de Colorado 60 Comment
  CSUSB956  Isomeris arborea M. Quinlan 1974-4-18 Riverside Found in Riverside county about 4 miles from Palm Springs in the Agua Caliente Indian Reservation located in the San Andreas canyon. 304 Comment
  JEPS108704  Isomeris arborea C. Spurrier, M. J. Way 2001-6-6 3 Riverside Big Morongo Canyon Preserve, 2.3 km n of water company entrance on Kickapoo Trail 515 Comment
  SEINET12007320  Isomeris arborea J. F. Bright, Wyman, C. 1933-1 8003 Riverside near Palm Springs Comment
  HSC85251  Iva axillaris Steve Boyd 1986-4-22 1730 Riverside Walker Canyon area where Alberhill Creek (=Temescal Creek) flows between Alberhill Mtn. and Gavilan Hills: N slope of Alberhill Mtn. Comment
  UC76429  Iva axillaris subsp. robustior Miss M. Alice King 1893-4-1 Riverside Menifee Comment
  CLARK-A1528-3025  Juglans californica John C. Roos 1952-6-25 5789 Riverside Riverside 259 Comment
  SD227840  Juglans californica A. C. Sanders, K. C. Rose 1999-6-18 22803 Riverside Skinner/Domenigoni area; French Valley, E side of Washington Ave., 1/2 mile S of Rawson Rd (Winchester 7.5'Q). Valley botton, probably subirrigated. 438 Comment
  CAS-BOT-BC110072  Juncus acutus L. R. Abrams 1926-3-26 11071 Riverside Palm Canyon. Comment
  SBBG120000  Juncus bufonius A. C. Sanders, K. Volansky 2005-3-17 29224 Riverside French Valley, SE of Winchester Rd (Hwy 79) between Thompson Rd and Benton Rd, ca. 0.5 mi NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  UCR121176  Juncus bufonius D. E. Bramlet 1991-5-2 2111 Riverside Crown Valley, c. 2300 ft. (~0.44 mi.) SE of Rawson Road 701 Comment
  UCR149983  Juncus bufonius Scott D. White, Angelia Carey 2004-5-7 10333 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  UCR159817  Juncus bufonius Chris E. True, Robert Cox 2005-6-22 s.n. Riverside San Jacinto Mtns., north slope of the mountains near Azalea Creek, about 0.5 mile SW of the Twin Pines Ranch buildings 1067 Comment
  UCR201821  Juncus bufonius 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
  UCR234428  Juncus bufonius Jeremiah George 2012-3-4 s.n. Riverside Peninsular Range; Elsinore Trough, Lake Elsinore area, south of Nichols Rd. and east of Baker St. 387 Comment
  UCR76173  Juncus bufonius A. C. Sanders 1993-4-1 13672 Riverside Perris-Aguanga Basin Region, western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St. and Devonshire Ave., 0.75 mile NE of the intersection of Florida Ave (Hwy 74) and Warren Rd, just south of Tres Cerritos 460 Comment
  RSA623560  Juncus bufonius var. bufonius R. E. Riefner 1998-7-10 98 -416 Riverside Menifee Valley Comment
  UCR193904  Juncus effusus subsp. austrocalifornicus A. C. Sanders, Mitch Provance 2008-7-11 35778 Riverside Peninsular Range; San Jacinto Mtns., FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station 1463 Comment
  RSA575973  Juncus macrophyllus Steve Boyd 1981-1-25 s.n. Riverside Gavilan Hills region, south flank of the range in Arroyo del Toro. Bull Canyon Road. Comment
  SBBG47529  Juncus macrophyllus M. B. Dunkle 1933-7-19 3667 Riverside Strawberry Valley 1706 Comment
  RSA368389  Juncus xiphioides John Olmsted 1962-5-10 3658 Riverside Between Sandia and DeLuz Creeks, Murrieta to DeLuz Road, western Riverside County. 206 Comment
  CLARK-A1528-2666  Juniperus californica John C. Roos 1947-2-15 3265 Riverside Eagle Mountains Comment
  RSA757748  Juniperus californica LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4346 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
  UCSB15610  Juniperus californica Holmes, John 1963-5-5 Riverside Along California Highway 74 at Pinyon Flats Campground, 16.3 miles west of Junction with California Highway 111 1219 Comment
  SFV5026  Justicia californica F. M. Ball 1964-1-4 n.s. Riverside Colorado Desert Wide bench on right side of Rt. 74 to Hemet, about 7 miles south of Palm Desert. 335 Comment
  UC729949  Justicia californica B. D. Stark 1932-6-17 3753 Riverside e. end Box Canyon; Colorado Desert, Eagle Mts., Box Canyon 182 Comment
  POM182204  Keckiella antirrhinoides Philip A. Munz 1932-4-24 12389 Riverside San Jacinto Mountains: Snow Creek Canyon 457 Comment
  UCR77771  Keckiella antirrhinoides Steve Boyd 1991-5-10 6217 Riverside Santa Ana Mtns, Base of range just north of mouth of Hagador Canyon, bottom Skyline Drive 459 Comment
  RSA0003176  Keckiella antirrhinoides Leota Brice 1930-4-10 s.n. Riverside [Unspecified] Comment
  RSA0018943  Keckiella antirrhinoides subsp. antirrhinoides Ora M. Clark 1929-3-16 1695 Riverside South of Cabazon, Colorado Desert. Comment
  RSA6016  Keckiella rothrockii subsp. jacintensis Carl B. Wolf 1932-8-5 3933 Riverside Summit of Devil's Slide Trail from Idyllwild to Tahquitz Valley. 2439 Comment
  SEINET269162  Kochia scoparia Chet McGaugh 1996-4-26 Riverside Helmet .25 miles west of State Street between Esplande and Cottonwood. Comment
  RSA697696  Koeleria macrantha J. Russell Bruff 1934-6-19 557 Riverside Idyllwild Comment
  UC38693  Koeleria macrantha H. M. Hall June, 1901 2131 Riverside hillsides of Coyote Canyon Santa Rosa Mountain; San Jacinto Mountains, , Coyote Canyon 1584 Comment
  CAS-BOT-BC273675  Koeleria pyramidata H. M. Hall 1901-6-1 2031 a Riverside San Jacinto Mountains. Thomas Meadows Comment
  CAS-BOT-BC61433  Krameria bicolor D. A. Johansen; J. A. Ewan 1932-4-12 7070 Riverside Devils Canyon above Coachella Valley, Colorado Desert Comment
  SD21520  Krameria bicolor Frank F. Gander 1938-5-21 5762 Riverside Shaver's Summit Comment
  UCD107116  Krameria bicolor Nancy Ryan Zabriskie 1968-4-12 133 Riverside Near entrance to Andreas Canyon Clubhouse, Andreas Canyon. Comment
  UCR85433  Krameria erecta George K. Helmkamp 1994-4-26 88- 3 Riverside Western Colorado Desert, Indio Hills; north of the landfill on Edom Hill 213 Comment
  CAS-BOT-BC183274  Krameria grayi James R. Shevock 1986-3-23 11356 Riverside Adjacent to Interstate 10 along Eagle Mountain Road, 3 miles west of Desert Center 350 Comment
  RSA790193  Krameria grayi Jim R. Shevock 1986-3-23 11356 Riverside Adjacent to Interstate 10 along Eagle Mountain Road, 3 miles west of Desert Center. 350 Comment
  POM10522  Lamarckia aurea C. F. Baker 1909-04 s.n. Riverside Riverside. Comment
  POM352657  Lamarckia aurea N. C. Cooper 1947-4-5 2108 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  CLARK-A1528-4437  Larrea tridentata John C. Roos 1946-11-30 3161 Riverside Chuckwalla Mountains Comment
  HSC82947  Larrea tridentata B. Pitzer 1986-2-9 9 Riverside Martinez Canyon, Santa Rosa Mtns., SW of Valerie Jean, 1 mi. E of canyon mouth. Comment
  RSA775495  Larrea tridentata Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4413 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
  UCR19763  Larrea tridentata Michael Nugent 1969-4-15 3 Riverside Sonoran (Colorado) Desert, 12 mi north of Palm Springs on Hwy 111 at Windy Point; sand dune area at the base of the E-facing slope 915 Comment
  CAS-BOT-BC338925  Lasthenia californica C. F. Baker 1904-4-4 4087 Riverside Elsinore Comment
  SD152928  Lasthenia californica Steve Boyd, Tim Ross and Orlando Mistretta 1992-2-25 6680 Riverside Santa Ana Mountains, along San Mateo Trail from junction 7S04 and 7S01. 395 Comment
  RSA574752  Lasthenia glabrata subsp. coulteri Steve Boyd, A. C. Sanders 1980-5-19 s.n Riverside San Jacinto Valley, of the San Jacinto River floodplain along the Ramona expressway near Lakeview. Comment
  RSA198969  Lasthenia gracilis R. F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37443 Riverside Santa Rosa Plateau: Mesa de Colorado 671 Comment
  RSA728143  Lasthenia gracilis Daphne K. Christopher, Hannah Stevens, Zach Princip 2003-4-7 113 Riverside Santa Rosa Plateu Nature Conservancy Preserve. Tenaja Truck Road. 610 Comment
  UC1536905  Lasthenia gracilis G. H. True 1935-3-19 132 Riverside 6 mi se Perris 487 Comment
  UC62983  Lasthenia gracilis H. M. Hall 1902-4-21 2926 Riverside vicinity Riverside 457 Comment
  UCR154770  Lasthenia gracilis A. C. Sanders, Mike Misenhelter 2005-3-23 29246 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  SD119911  Lathyrus vestitus var. vestitus Louis B. Ziegler 1967-4-18 115 Riverside Foothills of San Jacinto Mountains, on Poppet Flat Road, road embankment 914 Comment
  SEINET11811304  Layia glandulosa J. F. Bright, Wyman, C. 1933-1 8078 Riverside near Palm Springs Comment
  CAS-BOT-BC379667  Layia platyglossa Steve Boyd 1986-4-22 1764 Riverside Temescal Canyon: Terrace escarpment W side of Indian Wash, S of I-15 Comment
  CLARK-A1528-1980  Layia platyglossa John C. Roos 1941-5-10 130 Riverside San Jacinto Mountains Comment
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Jan 3 2018
  SD119903  Layia platyglossa Louis B. Ziegler 1966-6-21 49 Riverside San Jacinto Mountains, meadowy slope between Mountain Center and Keen Camp Summit. 1449 Comment
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May 31 2013
  RSA0057841  Layia platyglossa subsp. campestris Paul McLaughlin 1976-4-9 0409762 Riverside Box Springs Mountains. One mile west of Box Springs Mtn. Road along a County Park trail. 822 Comment
  UCR213682  Layia ziegleri Justin M. Wood 2009-5-11 692 Riverside San Jacinto Mountains, Garner Valley, Quinn Flat area 1396 Comment
  SD6338  Lemna Unknown 1881-5-13 Riverside Temecula. Comment
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Mar 27 2011
  UCR76169  Lepidium densiflorum A. C. Sanders 1993-4-1 13668 Riverside Perris-Aguanga Basin Region, western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St. and Devonshire Ave., 0.75 mile NE of the intersection of Florida Ave (Hwy 74) and Warren Rd, just south of Tres Cerritos 460 Comment
  RSA429907  Lepidium fremontii E. C. Jaeger 1922-3-2 s.n. Riverside 29 Palms Comment
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May 28 2011
  CAS-BOT-BC89588  Lepidium lasiocarpum H. S. Yates 1937-3-23 6426 Riverside California Forest and Range Experiment Station. Near Thermal. 30 Comment
  UCR266288  Lepidium lasiocarpum D. E. Bramlet, Fred M. Roberts 2005-6-6 3869 Riverside San Jacinto Valley, San Jacinto River at Sanderson Ave., north of Ramona Expressway 447 Comment
  RSA777768  Lepidium lasiocarpum var. lasiocarpum Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 977 Riverside Road to Priest's Well, east side of Arica Mountains 488 Comment
  UCR116655  Lepidium latifolium A. C. Sanders, Carolyn Washburn 2001-5-10 24243 Riverside Perris-Aguanga Basin, San Jacinto River Valley, south side of intersection of Sanderson Ave. and Ramona Blvd., c. 4 mi. NW of San Jacinto 445 Comment
  RSA593694  Lepidium latipes var. latipes Steve Boyd, Dave Bramlet 1996-4-19 8632 Riverside San Jacinto Valley: San Jacinto Wildlife Refuge at southwestern edge of Mystic Lake in the San Jacinto River floodplain, N of ''Marsh A'', NE of the refuge headquarters. 433 Comment
  SDSU18755  Lepidium nitidum var. nitidum C. Matt Guilliams 2008-2-13 457 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. 451 Comment
  RSA522272  Lepidium strictum Steve Boyd 1989-5-2 3518 Riverside City of Riverside. Residence at 4863 Rubidoux Ave. Comment
  POM8776  Lepidium virginicum var. pubescens P. A. Munz 1920-4-11 3812 Riverside Santa Ana River Canyon, near Rincon. 305 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
  CAS-BOT-BC329444  Lepidospartum squamatum Carl B. Wolf 1932-10-11 4269 Riverside Mouth of Whitewater Wash. 304 Comment
  CAS-BOT-BC329449  Lepidospartum squamatum Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 30 Comment
  RSA3329  Lepidospartum squamatum C. B. Wolf 1931-10-14 2452 Riverside Whitewater Wash, 1/2 mile above the bridge on the Banning to Indio Road 366 Comment
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Sep 23 2011
  RSA575922  Lepidospartum squamatum Steve Boyd 1994-10-14 8386 Riverside Southern San Mateo Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest. San Mateo Canyon, in canyon bottom at the confluence with Bluewater Canyon. 329 Comment
  UCR59846  Leptochloa filiformis 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
  RSA557880  Leptochloa fusca subsp. uninervia Steve Boyd, Orlando Mistretta 1992-4-23 7050 Riverside San Mateo Canyon Wilderness Area, along San Mateo Creek from Riverside Co. line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 243 Comment
  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
  CAS-BOT-BC227049  Leptosiphon floribundus subsp. glaber Frank W. Peirson 1922-4-28 946 Riverside Leach Canon [Canyon], Elsinore Region Comment
  SD137680  Leptosiphon floribundus subsp. glaber Darin L. Banks, Steve Boyd 1995-4-5 157 Riverside Agua Tibia Wilderness Area; north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove, east of the Dripping Springs Trail in the north flowing drainage that empties into Arroyo Seco. 548 Comment
  RSA619548  Leptosiphon liniflorus D. L. Banks 1997-5-5 1997 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
  JOTR30669  Lesquerella tenella Andre, Jim, Tasha La Doux 2008-3-21 8831 Riverside Joshua Tree National Park. Pinkham exit dirt road, at Cottonwood Visitor's Ctr, just N. of Cottonwood Cyn 938 Comment
  RSA49186  Lesquerella tenella P. A. Munz 1949-4-12 13035 Riverside North base of Eagle Mts., Mojave Desert 945 Comment
  UCSB155316  Lessingia germanorum var. glandulifera Dennis E. Breedlove 1961-8-5 951 Riverside collected 5.0 mi E, along State Highway 74, in the Hemet Valley of the San Jacinto Mountains Keen Campground - State Highway 74, Keen Campground 1341 Comment
  UCR177419  Lessingia glandulifera var. glandulifera Scott D. White 2003-10-9 9822 Riverside San Jacinto Mountains, Pine Cove area, Dutch Flat 1753 Comment
  POM12132  Leymus triticoides Mary F. Spencer 1921-5-29 1690 Riverside San Jacinto 549 Comment
  UC817474  Leymus triticoides P. A. Munz 1922-6-23 5779 Riverside Hemet Valley San Jacinto Mts. 1371 Comment
  CDA17992  Limnobium laevigatum J. Chandler 1999-8-23 PDR 1239733 Riverside Outdoor pond at Desert Lawn Cemetary, Desert Lawn Dr., Calimesa, Riverside Co. 0 Comment
  UCR234764  Limonium duriusculum A. C. Sanders, John F. Green 2012-6-25 40298 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, benches south of I-15 and east of Horsethief Canyon Rd., north end of Bucking Bay Dr. 433 Comment
  RSA0019477  Linanthus arenicola J. Andre, G. L. Clifton, Ron Kelley 2013-3-21 24385 Riverside West Riverside Mountains; at base of NW corner of range where sand ramps West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley., Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near run up against granitic bouldery slopes, about 10 miles SW of Vidal Jct., 3 miles south of Grommet RR xing at Highway 62. 363 Comment
  UCR88310  Linanthus bigelovii A. C. Sanders, K. C. Rose 1995-4-5 16362 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  HSC95631  Linanthus californicus D. Atwood 1993-3-26 17655 Riverside Summit of Santa Ana Mts., 4.8 mi. S of Lake Elsinore, along Hwy. 74 813 Comment
  RSA228831  Linanthus californicus Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 591 Riverside Cleveland National Forest; 8.5 miles south of Lake Elsinore along Forest Route 6S08. Comment
  SJSU11421  Linanthus californicus G. B. Youngberg 1956-3-30 233 Riverside Glen Ivy Hot Springs, E slope Santa Ana Mts c. 12 mi SE of Corona 365 Comment
  UCR144417  Linanthus dianthiflorus Scott D. White, Michael Honer 2003-4-9 8982 Riverside Perris-Aguanga Basin, Gavilan Hills, c. 1 mi N of the I-15 Fwy and 1 mi east of the Lake Street exit, on and around unnamed peak '2349 640 Comment
  GMDRC3554  Linanthus jonesii J. Andre, T. La Doux 2009-2-25 10829 Riverside Big Maria Mountains: along Hwy 95 (west side of highway), approx 15 mi. N. of Blythe. USGS 7.5 min. Quad: Big Maria Mountains 33 deg. 44.529' N 114 deg. 30.988' W. Elev. 308 ft. 94 Comment
  HSC82839  Linanthus jonesii A. C. Sanders, Pitzer, Charlton, Kniffen 1986-3-3 6108 Riverside Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the S 489 Comment
  RSA554019  Linanthus jonesii A. C. Sanders, E. J. Lawlor 1992-4-4 12127 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  UC219269  Linanthus lemmonii P. A. Munz and I. M. Johnston 1922-3-20 5477 Riverside Kenworthy San Jacinto Mts. 1463 Comment
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Mar 25 2011
  UC73616  Linanthus lemmonii Miss M. A. King 1893-1 Riverside Menifee Comment
  UC73619  Linanthus liniflorus Miss M. A. King 1893-1 Riverside Menifee Comment
  RSA554129  Linanthus maculatus George K. Helmkamp 1992-4-16 92 -4 Riverside Coachella Valley, soft, sandy bench of Mission Creek, 0.4 miles S of Indian Ave. on old Hwy 62. [A few scattered plants found on N side of Mission Creek between Hwy 62 & old Hwy 62, but none S of creek or W of Hwy 62.] 20 Comment
  RSA468524  Linanthus pungens Anstruther Davidson 1896-07 s.n. Riverside San Jacinto Mtns. Comment
  UCR51066  Linaria canadensis var. texana 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
  UCR123612  Linum usitatissimum T. B. Salvato 1999-5-31 108 Riverside Upper Santa Ana River Basin/San Bernardino Valley, Riverside, residence at 1009 Bascomb Drive 305 Comment
  SEINET238184  Lithophragma affine George K. Helmkamp 1998-6-27 4117 Riverside Santa Rosa Mtns.: 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. below Mountain Home Spring. 1799 Comment
  UCR114759  Lithophragma parviflorum Scott D. White, D. E. Bramlet 1999-4-22 7236 Riverside Lake Skinner area, Ridgetop, north, west, and northwest facing slopes of Bachelor Mtn. 762 Comment
  SEINET3892021  Lobularia maritima John F. Green 2006-4-25 s.n. Riverside Foothills of Santa Ana Mountains; Tenecula, Southern California Edison right of way between residential area, north-south corridor between S General Kearny Rd and La Serena Way, E of Veterans Park.; 0 366 Comment
  RSA674930  Loeflingia squarrosa Scott D. White, Tasha La Doux 2000-4-23 7722 Riverside Perris/San Jacinto Basin: Winchester/Hemet area. Unnamed hills just S of Lakeview Mts. South of Hwy 74 and E of Hwy 79. 473 Comment
  JOTR29601  Loeseliastrum matthewsii Andre, Jim 2006-4-26 6758 Riverside Joshua Tree National Park. Long Canyon, approximately 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  RSA796334  Loeseliastrum matthewsii Duncan S. Bell 2009-4-18 200 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  RSA676084  Loeseliastrum schottii Scott D. White 2001-4-12 8315 Riverside Shaver's Valley. South of the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. 320 Comment
  UC875122  Lomatium dasycarpum subsp. dasycarpum I. W. Clokey 1933-4-18 6780 Riverside Gavilan Peak 700 Comment
  POM305708  Lomatium lucidum Anonymous, Henry J. Ramsey 1939-4-22 1031 Riverside Hemet-Anza, Bautista Creek Rd. Comment
  UCR118743  Lomatium utriculatum Michael A. Patten 1993-3-20 s.n. Riverside Perris-Aguanga basin region, northeast of Lake Skinner, corner of De Portola Rd. and Barranca Rd., near Black Mountain 640 Comment
  CAS-BOT-BC234806  Lonicera subspicata H. E. McMinn 1925-7-2 1512 Riverside Tahquitz Trail - Sasn Jacinto Mts Comment
  UCR91680  Lotus argophyllus Steve Boyd, D. L. Banks 1995-4-5 8418 B Riverside Agua Tibia Mountains, Palomar Range, Agua Tibia Wilderness Area; northern flank of Agua Tibia Mtn. at the E edge of Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary 610 Comment
  POM157923  Lotus argophyllus var. argophyllus P. A. Munz 1927-5-21 10848 Riverside San Carlos Pass, 2 mi S.E. of Ansa. 1372 Comment
  RSA406726  Lotus argophyllus var. argophyllus N. C. Cooper 1944-4-8 1061 Riverside Andreas Canyon. 305 Comment
  RSA792747  Lotus argyraeus Robert F. Thorne 1995-3-29 63033 Riverside White Water Canyon. 600 Comment
  UCR138757  Lotus crassifolius Scott D. White 1997-5-18 5178 Riverside San Jacinto Mtns., 'Black Mountain Scenic Area,' Black Mountain Trail between Hwy 243 and Cinco Poses Trail junction 1829 Comment
  HSC85289  Lotus hamatus Steve Boyd 1986-5-1 1795 Riverside SW Perris Basin, Hill W of Skunk Hollow, Skunk Hollow vernal pool Comment
  UCR161439  Lotus heermannii A. C. Sanders, Mike Misenhelter 2005-9-20 31685 Riverside San Jacinto Mtns. Foothills, Santa Rosa Hills south of Hemet, road NW of Gibbel Flat, south end of Cornell St., 0.5 mi. SE of the Ramona Bowl 610 Comment
  UCR60261  Lotus heermannii Steve Boyd 1989-6-10 3674 Riverside Vail Lake area, Temecula Creek Canyon below the dam 459 Comment
  POM230750  Lotus oblongifolius I. W. Clokey, E. G. Anderson 1935-8-21 6722 Riverside Fuller's Creek, San Jacinto Mountains 1500 Comment
  UCR93066  Lotus purshianus A. C. Sanders, S. Ogg 1994-7-28 15193 Riverside San Bernardino Valley, Colton & Riverside: Santa Ana River from the Riverside Ave. (N. Main St.) bridge downstream almost to Market St. crossing, both sides of San Bernardino Co. line, but mostly RIV 246 Comment
  POM1917  Lotus rigidus I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. Comment
  RSA498791  Lotus rigidus S. B. Parish 1917-4-4 s.n. Riverside Palm Canyon Comment
  POM99026  Lotus rigidus E. C. Jaeger 1926-3-26 s.n. Riverside Eagle Mts. Comment
  UCR41908  Lotus salsuginosus A. C. Sanders, D. Charlton, B. Pitzer, J. M. Stewart 1986-3-1 6045 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, west side of the Chuckwalla Mtns., 6 mi. south of Hwy I-10 on gasline road; 1/2 mi. NW of Model Mine 520 Comment
  UCR16270  Lotus salsuginosus var. salsuginosus Tony Beck 1968-5-4 680504- 5 Riverside 5 mi west of Beaumont on Hwy 60; 25 yds. south of road on a sandy cut in the hillside. 610 Comment
  UCR91403  Lotus salsuginosus var. salsuginosus Scott D. White 1995-4-5 2719 .1 Riverside Moreno Valley, Base of slope in 'Badlands', off [Moreno-Redlands] Blvd 640 Comment
  CSUSB1258  Lotus scoparius Leland E. Francois 1966-3-27 32766 2 Riverside City of Riverside, lower southeast slope of Mount Rubidoux, just up the slope from Glenwood Drive. 297 Comment
  RSA614704  Lotus strigosus George K. Helmkamp, E. A. Helmkamp 1997-3-5 1325 Riverside 2.8 mi SE of Gilman Hot Springs. 518 Comment
  RSA673505  Lotus strigosus Scott D. White, Bill La Haye 2000-5-27 7965 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  RSA709971  Lotus strigosus Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4589 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  SEINET7073384  Lotus strigosus A. G. Vestal 1963-4-23 s.n. Riverside About 0.6 mile up Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UCR103991  Lotus strigosus George K. Helmkamp 1998-4-3 3086 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
  UCR84840  Lotus strigosus A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16146 .1 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  RSA776380  Lotus strigosus Amber Swanson 2011-4-8 375 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  UCR138563  Lotus strigosus var. tomentellus Steve Boyd, Orlando Mistretta 1986-3-13 1471 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  CSUSB1241  Lotus tomentellus Kirby W. Brown 1966-3-10 Riverside Highway 111, 8.4 miles northwest of Palm Springs 304 Comment
  RSA49170  Lotus tomentellus P. A. Munz 1949-4-13 13063 Riverside Cottonwood Springs, west end of Eagle Mountains 1143 Comment
  POM158200  Lotus unifoliolatus P. A. Munz 1928-9-6 11283 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  UC668416  Lupinus andersonii Annie M. Alexander and Louise Kellogg 1941-5-4 2113 Riverside Joshua Tree National Monument 1249 Comment
  GMDRC3713  Lupinus arizonicus J. Andre, T. La Doux 2009-2-25 11160 Riverside Granite Mountains: Upper Granite Cove at pass to Sunset Cove, UC Granite Mountains Desert Research Center. USGS 7.5 minute Quad: Bighorn Basin 34 deg. 47.001' N 115 deg. 39.719' W. Elev. 4329 ft. 414 Comment
  POM349962  Lupinus arizonicus C. P. Smith 1936-1 2163 Riverside West side of Colorado Desert. -30 Comment
  POM46817  Lupinus arizonicus Mary F. Spencer 1920-3-12 1493 Riverside Mecca. Colorado Desert -60 Comment
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Sep 7 2011
  RSA0014469  Lupinus arizonicus Justin M. Wood, J. Miner 2010-4-29 1543 Riverside Coachella Valley: Cathedral City, 0.5 mi SW of intersection of East Palm Canyon Drive and Cathedral Canyon Wash. 130 Comment
  RSA414834  Lupinus arizonicus H. de Forest 1937-3-15 s.n. Riverside West of Desert center Comment
  RSA414840  Lupinus arizonicus Elizabeth A. White 1928-04 s.n. Riverside Colorado desert near Banning Comment
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Oct 23 2011
  RSA444314  Lupinus arizonicus Walter Wisura 1988-3-1 4183 Riverside Frontage Road, off I-10, near pumping station in Pinkham Wash area. Comment
  SD237432  Lupinus arizonicus Dave Silverman, Mark Bibbo 2010-3-31 7887 Riverside UTM in Supplement.N. Palo Verde Mesa, E flank bajada of the McCoy Mtns, one mile W of Black Creek Rd, 5.3 km N of I-10 and 6.5 km ENE of McCoy Peak. Comment
  SEINET10488536  Lupinus arizonicus David B. Dunn 1948-2-21 Dunn 3675 Riverside Seedling; Pushawalla Canyon; a rain about two weeks earlier in wash. Hills still quite dry. Comment
  HSC85456  Lupinus bicolor Steve Boyd 1986-4-2 1599 Riverside Harford Springs County Park, NW corner of the Gavilan plateau 612 Comment
  SD140103  Lupinus bicolor Scott White 1993-4-20 1202 Riverside Estelle Peak, Gavilan Hills; Lake Mathews quad. 822 Comment
  UCR86884  Lupinus concinnus A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16287 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  RSA395902  Lupinus concinnus subsp. concinnus Steve D. Boyd 1986-4-22 1782 Riverside Gavilan Hills: Summit of Estelle Mountain Comment
  POM159827  Lupinus concinnus subsp. optatus E. C. Jaeger s.n. Riverside Santa Rosa Indian Reservation Comment
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Nov 6 2011
  RSA507941  Lupinus concinnus subsp. optatus Steve D. Boyd 1988-5-28 2259 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  RSA619246  Lupinus concinnus subsp. orcuttii R. S. Woglum 1937-5-22 565 A Riverside Santa Rosa Mountains. Comment
  POM12635B  Lupinus densiflorus var. densiflorus Philip A. Munz 1922-4-30 5102 Riverside Dripping Spring near Temecula Creek. Comment
  LA205090  Lupinus excubitus Elizabeth Levine; 1949-5-22 sn Riverside off the Pines to Palms Highway past Lake Hemet Comment
  CAS-BOT-BC216679  Lupinus excubitus subsp. hallii P. A. Munz; I. M. Johnston 1922-5-19 5407 Riverside Above Oak Cliff, San Jacinto Canyon, San Jacinto Mountains Comment
  UCR77720  Lupinus excubitus var. austromontanus Steve Boyd 1991-5-7 6159 Riverside Peninsular Ranges, Santa Ana Mountains, SE and E side of Elsinore Peak 1067 Comment
  SD152850  Lupinus excubitus var. hallii Steve Boyd, Tim Ross, Orlando Mistretta 1992-2-26 6703 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area, San Mateo Canyon from Fisherman's Camp downstream to the confluence with Bluewater Canyon, benches at confluence with Bluewater Canyon 305 Comment
  RSA78197  Lupinus formosus Philip A. Munz 1953-5-31 18519 Riverside Joshua Tree National Monument. 1357 Comment
  UC73154  Lupinus formosus Dr. R. J. Smith 1904-5-17 Riverside Cabazon Comment
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Mar 13 2011
  RSA413696  Lupinus hirsutissimus Christopher Davidson 1973-4-1 1793 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  UC917869  Lupinus hirsutissimus Frank W. Gould 1943-4-18 2141 Riverside on Idlewild cutoff near Banning; near Banning Comment
  UCR84944  Lupinus hirsutissimus A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16231 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  SD229159  Lupinus latifolius var. parishii Dick Schwenkmeyer 2012-6-27 737 Riverside May Valley, approx. 5 miles southeast of Idyllwild town center, Mt. San Jacinto, Riverside County, CA. 1531 Comment
  LA31764  Lupinus longifolius Mary V. Hood; 1944-4-7 44- 9 k* Riverside Agaunga 587 Comment
  SD133084  Lupinus microcarpus var. microcarpus Scott White 1991-5-13 91 86 Riverside Highway 79, immediately west of U.S. Forest Service Campground at Dripping Springs 548 Comment
  RSA614167  Lupinus sparsiflorus D. L. Banks 1997-2-23 1310 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
  SD234128  Lupinus sparsiflorus Virginia Pinkus Ryder 1964-3-26 118 Riverside Palm Springs, 1 mile on Palm Canyon Road. 248 Comment
  UC284920  Lupinus sparsiflorus P. A. Munz 1923-6-14 7102 Riverside Glen Ivy Trail to Santiago Peak; Santa Ana Mts., 914 Comment
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Apr 1 2013
  UCR116829  Lupinus sparsiflorus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23930 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  UCR17920  Lupinus sparsiflorus M. J. Arbaugh 1978-5-5 s.n. Riverside Hills south of Botanical Gardens at University of Calif., Riverside. Comment
  UCR241213  Lupinus sparsiflorus Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 50 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Canyon near woodland stand H-02 945 Comment
  RSA501075  Lupinus succulentus Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-4-2 3193 Riverside Vail Lake Area, W end of bench on S flank of Oak Mountain. 549 Comment
  RSA660061  Lupinus succulentus Matt Bogdanoff 1981-4-11 7 Riverside Cajalco Rd., 5.9 mi E of junction with La Sierra Ave., SE of Lake Mathews. 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
  POM122854  Luzula comosa Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  UC843082  Luzula comosa var. laxa P. A. Munz 1922-7-6 6000 Riverside Tahquitz Valley San Jacinto Mts. 2194 Comment
  JOTR37744  Lycium andersonii Hodges, Stephen R., Aliya Ingersoll 2016-2-24 658 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Upper Long Canyon Comment
  UC1280950  Lycium andersonii H. E. McMinn 1937-3-5 5001 Riverside about 7 mi w Blythe Comment
  UCR89679  Lycium andersonii Bern Schwenn 1994-5-7 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument and vicinity: Eagle Mtns, along Black Eagle Mine Road 1.3 mi east of Monument boundary 650 Comment
  CHSC64187  Lycium brevipes Chris Dietrich; M. Merello, H. Schmidt 1994-4-13 29 Riverside 7.5 miles south of North Shore on State Highway 111. Along highway on east shore of Salton Sea. 40 Comment
  UC1004769  Lycium brevipes E. C. Jaeger 1939-12-29 Riverside 5 mi e Indio (Eytel Canyon branching from Fargo Canyon); Fargo Canyon, Eytel Canyon 243 Comment
  RSA0020068  Lycium brevipes var. brevipes M. French Gilman 1930-4-27 s.n. Riverside Dos Palmos, east of Mecca. Comment
  CAS-BOT-BC231642  Lycium fremontii John Thomas Howell 1928-3-24 3530 Riverside Painted Canyon, Colorado Desert Comment
  RSA370865  Lythrum californicum Robert F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61277 Riverside Sandia Canyon, De Luz-Murrieta Road 260 Comment
  UC1921997  Lythrum californicum Scott D. White, Angelia Carey 2004-5-7 10342 Riverside San Jacinto Mountain Foothills: Indian Creek and adjacent foothills. Comment
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Jul 25 2019
  RSA526489  Madia gracilis Steve Boyd, Timothy S. Ross 1990-5-11 4686 A Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  UC63218  Madia gracilis H. M. Hall 1901-6-25 Riverside Fuller's Mills <M?> San Jacinto Mountains., Fuller's Mills <M?> 1524 Comment
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Jan 3 2014
  RSA674920  Mahonia dictyota Scott D. White, P. De Vries 2000-4-25 7735 Riverside Temescal Valley: Corona area, eastern foothills of Santa Ana Mountains just above citrus groves. 412 Comment
  CAS-BOT-BC514236  Maianthemum stellatum Geo. B. Grant 1901-8-1 s.n. Riverside Strawberry Valley, San Gabriel mts. Comment
  RSA95324  Malacothamnus densiflorus var. densiflorus F. W. Peirson 1926-5-2 6724 Riverside Grade north of Dripping Spring, Temecula River, southwestern Riverside Co. Comment
  UCR174266  Malacothamnus fasciculatus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32669 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., near stream crossing of dirt road 549 Comment
  RSA0087584  Malacothamnus fasciculatus R. S. Woglum 1937-10-20 1192 Riverside Santa Rosa Mts. 1524 Comment
  SEINET3449048  Malacothamnus fasciculatus var. fasciculatus Steven R. Hill, Andrew C. Sanders 2001-5-4 33731 Riverside Santa Rosa Plateau, Santa Rosa Plateau, Carancho Road, about 1370 feet northeast of San Diego county line, west side of De Luz Creek valley, descending plateau downslope from "cut flower" farm, Fallbrook Quadrangle (topo map) 180 Comment
  SEINET7048218  Malacothamnus fasciculatus var. fasciculatus Steven R. Hill, Andrew C. Sanders 2001-5-4 33731 Riverside Santa Rosa Plateau, Carancho Road, west side of De Luz Creek valley descending plateau, downslope from 'cut flower' farm. Fallbrook 7.5' quad. About 1370 feet northeast of San Diego county line. Elevation about 610 feet. Comment
  POM10289  Malacothrix clevelandii Charlotte M. Wilder 1905-5-14 582 Riverside Summit Jurupa Hills and extending north-west slope about 200 ft. 671 Comment
  UCR23235  Malacothrix clevelandii J. C. Lyman 1981-5-24 s.n. Riverside San Jacinto Mtns., May Valley Rd. Idyllwild. 1768 Comment
  CAS-BOT-BC347691  Malacothrix glabrata L. R. Abrams 1926-3-25 11048 Riverside Between Banning and Cabazon Comment
  CAS-BOT-BC347698  Malacothrix glabrata Scott D. White 1996-4-14 3897 Riverside Perris Basin, W Riverside Co. E of Hemet: San Jacinto River Wash near Valle Vista, N of Hwy. 74, ca. 1.7 mi W of USFS Cranston Fire Station 550 Comment
  CAS-BOT-BC347707  Malacothrix glabrata C. L. Hitchcock 1966-3-21 24329 Riverside Sand dunes about 15 mi. s. of Rice, on dirt road to Blythe Comment
  OBI37418  Malacothrix glabrata M. rosczyk & G. Helmkamp, G. Helmkamp 1985-4-4 254 Riverside Big Morongo Preserve, S of Morongo Valley; W edge of the main cyn just below the BLM gate 533 Comment
  RSA554211  Malacothrix glabrata Theo Glenn 1991-4-9 91 -5 Riverside Big wash in Eagle Mountains 786 Comment
  RSA688910  Malacothrix glabrata Scott D. White 2001-4-18 8353 Riverside Coachella Valley: Palm Springs. NE corner of Sunrise Dr. and San Raphael Dr. (Palm Springs) 152 Comment
  RSA721109  Malacothrix glabrata J. R. Bruff 1928-4-2 115 -b Riverside Canyon wash west of Morango Comment
  RSA739852  Malacothrix glabrata J. L. Strother 2008-3-10 1369 Riverside 18km (11miles) W of Chiriaco Summit, along N frontage of I10. 420 Comment
  SD187357  Malacothrix glabrata Naomi Fraga, Sarah J. De Groot, et al. 2005-2-10 1425 Riverside Northeastern Colorado Desert region: Along Palen Road near Highway 177. 170 Comment
  UC1595711  Malacothrix glabrata W. Wisura, A. King, and L. Newcomb 1992-4-10 4669 Riverside below Morongo Valley (Mission Creek Ranch, w of Hwy 62) Comment
  UC63260  Malacothrix glabrata H. M. Hall 1904-5-26 4968 Riverside vicinity Riverside; Jurupa Hills 304 Comment
  UC990705  Malacothrix glabrata Roxana S. Ferris and R. Bacigalupi 1953-4-20 12633 Riverside between crossing of Eagle Mt. Iron Mine R.R. and Shaver Summit (s of hayfields, U.S. Highways 60 and 70) Comment
  UCR269857  Malacothrix glabrata A. C. Sanders, Jim Malusa 2016-3-17 42355 Riverside Sonoran (Colorado) Desert, north edge of Chocolate Mountains Aerial Gunnery Range, upper Arroyo Seco on south shoulder of Bradshaw Trail 686 Comment
  UCR37450  Malacothrix saxatilis Steve Boyd 1981-4-29 s.n. Riverside Gavilan Hills, Arroyo del Toro [Bull Canyon] Comment
  CAS-BOT-BC347892  Malacothrix saxatilis var. tenuifolia H. M. Hall 1901-6-1 2011 Riverside San Jacinto Mountains. Canyon of the San Jacinto River 609 Comment
  UCD107549  Marah macrocarpa A. C. Sanders; G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19909 Riverside Lake Skinner area: upper Rawson Canyon, 2.2 mi. NNE of Skinner Lake, 1 mi. SW of Crown Valley. 595 Comment
  RSA0123706  Marina orcuttii Duncan S. Bell, Thomas Stoughton 2016-4-13 9240 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; on the western slopes of Martinez Mountain. 1424 Comment
  RSA113922  Marina parryi Percy C. Everett, E. K. Balls 1956-5-2 21554 Riverside 4 miles North from turnoff Hwy. 60/70, W of Desert Center, on road to Eagle Mt. Pumping Station. 305 Comment
  RSA487527  Marina parryi B. Pitzer 1988-3-10 646 Riverside Chuckwalla Mountains. W side of mountains, on gas line road ca. 1.5 mi north of intersection with Red Cloud Mine Road (and wash); ca. 2 miles (airline) S of Highway I-10. (Red Cloud Road. 10 km cell; PH-2N, 3E) 488 Comment
  RSA600125  Marina parryi L. C. Wheeler 1959-12-27 7641 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
  UCR90323  Marina parryi Ed LaRue 1993-4-28 s.n. Riverside Sonoran (Colorado) Desert, Blythe landfill, along Blythe-Midland Road, 3 mi. south of the Big Maria Mtns, 6 mi. west of Colorado River 125 Comment
  RSA588666  Medicago lupulina D. L. Banks, S. D. Boyd 1995-10-17 0819 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. 524 Comment
  RSA741110  Medicago minima Scott D. White, Justin M. Wood 2008-6-17 12160 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  CLARK-A1528-4727  Melica imperfecta John C. Roos 1937-5-2 1419 Riverside La Sierra Comment
  RSA403496  Melica imperfecta Ora M. Clark 1929-3-16 1701 Riverside South Cabazon. Comment
  SBBG92140  Melica imperfecta E. LaRue 1989-6-11 Riverside W side of Lakeview Mtns, ca. 1 mi SE of Nuevo 640 Comment
  SEINET251739 Image available Melica imperfecta A. C. Sanders 2004-4-20 27548 Riverside Santa Ana Mtns: Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of San Diego county line(Fallbrook 7.5' Q.: Near 33. 29'34'N -117.21'56'W) 640 Comment
  UCR158260  Melica imperfecta A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30122 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
  UCR104900  Melilotus indicus A. C. Sanders 1997-3-19 20032 Riverside Lake Skinner area, S foot of Bachelor Mtn., across the northern arm of the lake from the boat ramp, from dirt track down to lakeshore 457 Comment
  UCR194818  Melinis repens Scott D. White, Justin Wood 2007-4-16 11652 Riverside Peninsular Range, near Rainbow Valley, mountains west of I-15 Fwy and immediately north of San Diego County boundary 579 Comment
  RSA763172  Mentzelia dispersa Scott D. White, Justin M. Wood 2009-5-22 12899 Riverside San Jacinto Mountains: Quinn Flat Meadow. 1372 Comment
  RSA692200  Mentzelia involucrata Scott D. White, Michael Honer 2003-5-14 9301 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  RSA748288  Mentzelia involucrata Justin M. Wood 2009-3-26 416 Riverside Coachella Valley: Thousand Palms, Under Edison powerlines, near intersection of 30th Ave and Via Las Palmas. 61 Comment
  RSA758329  Mentzelia involucrata Doug Goldman 2005-3-3 3035 Riverside Box Canyon, along the west side of Box Canyon Road, around 10 miles southwest of the intersection with Interstate 10 and around 0.7 miles southeast of Blake Hill 268 Comment
  SEINET10480638  Mentzelia involucrata Chris Dietrich, Mary Merello; Heidi H. Schmidt 1994-4-12 Dietrich 23 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
  UCR147843  Mentzelia involucrata Steve Boyd, Et al. 2004-5-14 11276 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
  UCR75048  Mentzelia involucrata A. C. Sanders, E. J. Lawlor 1992-4-4 12102 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  VVC305  Mentzelia involucrata W. W. Mayhew 1960-3-17 s.n. Riverside Colorado Desert, 4.5 miles NW Desert Hot Springs. 482 Comment
  POM302281  Mentzelia involucrata var. megalantha Lyman Benson 1957-4-3 15715 Riverside 1/2 mile above the mouth of Whitewater Canyon. San Bernardino Mountains; Salton Sea Drainage 579 Comment
  RSA440418  Mentzelia involucrata var. megalantha Elbert Benjamine 1929-4-7 126 Riverside Whitewater Canyon, Riverside County. Comment
  RSA722991  Mentzelia laevicaulis var. laevicaulis M. Wall 2007-6-26 430 Riverside San Jacinto Valley, Bautista Creek wash off Bautista Canyon Rd. 3.0 miles SE of jct with Fairview Ave. 678 Comment
  RSA741030  Mentzelia montana Justin M. Wood, Brandy N. Ulrich 2008-7-14 19 Riverside Garner Valley, near intersection of Fobes Ranch Rd and Hwy 74. 1348 Comment
  SEINET3005061  Mentzelia multiflora subsp. longiloba G. Rink 2011-4-29 10499 Riverside Campus of Palo Verde College, near Blythe 118 Comment
  UCR241676  Mercurialis annua O. F. Clarke 2010-5-22 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 365 Comment
  RSA560833  Micropus californicus Steve Boyd, Timothy S. Ross 1992-5-4 7190 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  POM13713  Microseris douglasii subsp. douglasii P. A. Munz 1922-4-30 5123 Riverside Lakeview, alkali mud flat along San Jacinto River Comment
  UCR174166  Microseris douglasii subsp. douglasii A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32600 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UCR225581  Microseris heterocarpa A. C. Sanders, T. B. Salvato 2011-3-29 38870 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor 0.45 east of Goetz Rd. and 0.07 km east Wheat St. 450 Comment
  SEINET10808319  Microseris lindleyi Mitch C. Provance 2003-4-26 Provance 9897 Riverside Santa Ana River Valley: Northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just S of Crestlawn Memorial Cemetery. Grassy clay slopes with patches of coastal sage scrub (Hemizonia abundant) between 900 and 1200 ft., becoming bouldery between 1200 and 1400 ft. with coastal sage scrub (Salvia mellifera common). 274 Comment
  UCR97746  Microseris lindleyi B. G. Pitzer 1997-4-1 3058 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  RSA0018766  Mimetanthe pilosa Scott D. White, Justin M. Wood 2008-7-8 12376 Riverside San Jacinto Mountains: Hurkey Creek Watershed- Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  RSA0018778  Mimetanthe pilosa M. Alice King 1893-07 257 Riverside Rayneta [Idyllwild], San Jacinto Mts. Comment
  UC943876  Mimulus H. E. McMinn, M. Van Rensselaer 1945-6-7 1892 Riverside Indian Truck Trail Santa Ana Mts. 853 Comment
  RSA0018783  Mimulus N. C. Cooper 1949-6-29 4345 Riverside Pine Cove. Comment
  UCR90380  Mimulus aurantiacus D. L. Banks, Steve Boyd 1995-6-2 0560 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
  POM8471  Mimulus aurantiacus var. pubescens I. M. Johnston 1920-5-8 2281 Riverside Butte west of Lakeview. 610 Comment
  POM8472  Mimulus aurantiacus var. pubescens I. M. Johnston 1920-5-8 2290 Riverside Butte west of Lakeview. 610 Comment
  CLARK-A1528-4229  Mimulus bigelovii John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  JOTR33997  Mimulus bigelovii var. bigelovii La Doux, Tasha, M. Harding 2010-4-7 2885 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
  UCSB10383  Mimulus bigelovii var. bigelovii Yokoyama, Howard 1953-3-21 Riverside 9 miles east of Indio Comment
  RSA679012  Mimulus brevipes M. Wall, Sean Wall 2003-5-24 298 Riverside NE of Skinner Reservoir, Rawson Canyon, Rawson Rd. 2.7 miles from jct. with Washington Ave. 564 Comment
  UC27069  Mimulus floribundus Mrs. Gregory 1890-1 Riverside San Jacinto Comment
  HSC86856  Mimulus fremontii L. F. LaPre 1988-6-3 Riverside Indian Truck trail, sandy bench S of wash which crosses under de Palm Road (= frontage road to Hwy I-150, near Glen Eden Resort 366 Comment
  LA209400  Mimulus guttatus Elizabeth McClintock; 1940-5-19 sn Riverside about 1.5 to 2 mi from Pines to Palms Hwy on Santa Rosa Mt Rd Comment
  RSA564287  Mimulus pilosus Ed LaRue 1993-5-10 s.n. Riverside Murrieta Oaks, 3 miles (airline) NW of Murrieta Hot Springs, W side of Hwy 215 457 Comment
  UC886073  Mimulus pilosus Carl B. Wolf 1932-8-5 3930 Riverside summit of Devil's Slide Trail from Idyllwild to Tahquitz Valley; San Jacinto Mts. 2438 Comment
  RSA787123  Mimulus puniceus Robert F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49559 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons. Comment
  CAS-BOT-BC9540  Mimulus rubellus H. M. Hall 1900-6-1 1458 Riverside Lytle Creek Canyon, San Antonio Mountains 1828 Comment
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May 11 2019
  UC219590  Minuartia douglasii P. A. Munz 1922-6-23 5773 Riverside Keen Camp San Jacinto Mts. 1524 Comment
  JOTR30299  Mirabilis bigelovii var. bigelovii La Doux, Tasha, Jim Andre 2007-9-6 133 Riverside Joshua Tree National Park. On dirt road to Lost Horse Ranger Station, below Hemingway Buttress 1236 Comment
  RSA701399  Mirabilis laevis Steve Boyd, Aydee Virgen 2004-4-13 10861 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UCR156366  Mirabilis laevis T. B. Salvato, Kent Beaman 2005-5-16 884 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
  UCR182994  Mirabilis laevis Mitch Provance 2003-5-5 4419 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  SDSU18725  Mirabilis laevis var. crassifolia C. Matt Guilliams 2008-2-13 451 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. 410 Comment
  UCD98077  Mirabilis laevis var. crassifolia Franklin C. Raney 1959-4-30 59 -5 Riverside State Highway 74, 1 mile east of Romoland. Comment
  RSA0124374  Mirabilis laevis var. retrorsa Duncan S. Bell, LeRoy Gross 2016-3-31 9199 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 591 Comment
  RSA652390  Mirabilis laevis var. retrorsa N. R. Zabriskie, Walter Zabriskie 1971-2-15 s.n. Riverside South facing slope, North Canyon, Andreas Canyon drainage, E slope San Jacinto Mnts, Riverside County. 427 Comment
  UC279685  Mirabilis laevis var. villosa Edmund C. Jaeger 1926-2-28 Riverside hills near Salt Creek Wash Comment
  SEINET7248272  Mirabilis tenuiloba Duncan S. Bell, LeRoy Gross 2014-1 6191 Riverside Colorado Desert; Western Colorado Desert region: Santa Rosa Mountains; Toro Canyon on the east side of Martinez Mountain. 259 Comment
  RSA408757  Mohavea confertiflora E. S. Spalding 1926-2-13 s.n. Riverside Colorado Desert. Box Ca - on on Blythe Road. Comment
  RSA550268  Mohavea confertiflora Walter Wisura, J. Dolan, M. Wall 1992-3-24 4628 Riverside Low desert: 10 mi NE of Mecca on Box Canyon Rd. Comment
  UCR101520  Mollugo cerviana Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10050 Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, NW base of the range, south of Eagle Mine Rd exit on Hwy I-10. 427 Comment
  UCR143094  Monardella breweri subsp. lanceolata C. B. Wolf 1932-8-4 3914 Riverside Peninsular Ranges: San Jacinto Mtns, Point View near Idyllwild [= Vista Grande?] 1646 Comment
  RSA6029  Monardella lanceolata var. lanceolata Carl B. Wolf 1932-8-4 3914 Riverside Point View near Idyllwild. 1646 Comment
  UC25469  Monardella linoides subsp. linoides H. M. Hall June 1901 2110 Riverside e base San Jacinto Mountains (along borders of desert); , Colorado Desert Comment
  POM236717  Monardella macrantha subsp. hallii W. Pequegnat 1940-5-24 s.n. Riverside Santa Ana Mountains: Divide, truck trail near Modjeska Peak. 1220 Comment
  UC1499855  Monardella nana E. McClintock, C. Ellison 1936-5-9 Riverside Pines to Palms Highway Comment
  UC1499870  Monardella nana Elizabeth McClintock 1940-7-21 24 Riverside 4 1/2 mi from Pines to Palms Highway on Santa Rosa Mt. road, in canyon where forest begins and stream crosses road Comment
  UC1499891  Monardella nana Elizabeth McClintock 1941-5-31 54 Riverside About 5 miles from Anza Monument turn off Comment
  UC2036000  Monardella nana C. Epling, L. Haines 1937-5-7 Riverside Pinyon Flats Palms to Pines Highway Comment
  UCR221497  Monardella nana subsp. arida Elizabeth McClintock 1940-5-19 05 Riverside Peninsular Range; Santa Rosa Mtns., 0.25 mi. off Pines to Palms Highway, on road to Santa Rosa Mtn. 1433 Comment
  RSA287096  Monardella nana subsp. tenuiflora J. Derby 1978-6-9 s.n. Riverside San Jacinto Mountains: Lake Fulmor. Southeast of present L. Fulmor parking lot. Comment
  RSA750287  Monardella nana subsp. tenuiflora Elizabeth McClintock, D. Weiner 1941-7-11 95 Riverside Banning-Idyllwild road. At the creek beyond Stone Creek. Comment
  UC1499835  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-21 129 Riverside down the w slope trail from Round Valley (beyond Wellman Cienega); San Jacinto Mts. Comment
  UC1499942  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-9 87 Riverside about 3 mi from Fern Valley (San Jacinto Mt. Trail to Suicide Rock) Comment
  SD255660  Monolopia lanceolata Cindy Daverin 2015-3-11 Riverside Gavilan Hills, El Sobrante Landfill mitigation property/Lake Mathews-Estelle Mountain Reserve, south of Lake Mathews and of Cajalco Road, 1.3 km WNW (288a^z) of Monument Peak (Lake Mathews 7.5'Q) 442 Comment
  CAS-BOT-BC349804  Monoptilon bellioides Marcus E. Jones 1906-4-27 s.n. Riverside Indio, Colo. Desert Comment
  JOTR34315  Monoptilon bellioides Andre, Jim 2012-4-11 20813 Riverside Joshua Tree National Park. Western margin of Eagle Mountains; 0.6mi south of Cottonwood Visitor Ctr. along Rte 11 912 Comment
  POM250432  Monoptilon bellioides I. W. Clokey 1935-4-17 6811 Riverside Cottonwood Springs. Comment
  SFV5019  Monoptilon bellioides F. M. Ball 1964-1-4 s. n. Riverside Colorado Desert Old excavated bench, Seven Level Hill about 11 miles south of Palm Desert on Route 74 to Hemet. 610 Comment
  CAS-BOT-BC349809  Monoptilon bellioides L. R. Abrams 1926-3-26 11031 Riverside Palm Springs Comment
  RSA0043039  Muhlenbergia microsperma Duncan S. Bell, Evan Meyer 2014-4-2 6529 Riverside Chuckwalla Mountains; approx. 0.75 air mile southeast of Aztec Well. 703 Comment
  SD186042  Muhlenbergia microsperma A. C. Sanders 2004-4-20 27550 Riverside 0.5 km west of Tenaja Road and just north of the San Diego county line. 640 Comment
  UCR136266  Muhlenbergia microsperma A. C. Sanders 2004-4-20 27550 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
  VVC692  Muhlenbergia microsperma P. J. MacKay, C. Sanders 1997-2-8 104 Riverside Sonoran Desert, Palm Springs, Murray Canyon; at edge of creek btw palm groves 243 Comment
  UCR126383  Muilla maritima A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 692 B Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  RSA532577  Myosurus minimus subsp. apus D. E. Bramlet, P. Gordon-Reedy 1991-5-8 2121 Riverside 30m east of California Ave. and 75m north of the AT and SF railroad tracks. The population is NE of the intersection of California Ave. and Marvin Hull Road. Some 10-300m west of MWD Canal. 498 Comment
  POM11893  Myosurus minimus subsp. minimus P. A. Munz, I. M. Johnston 1922-5-20 5461 Riverside Kenworthy, San Jacinto Mountains. 1433 Comment
  CHSC692  Nama demissa F. Hughes 1935-4-16 Riverside Colorado Desert Comment
  RSA721839  Nama demissa J. R. Bruff 1928-4-2 100 Riverside Canyon 1 mile west of Morengo Comment
  SJSU1887  Nama demissa J. W. Tilden 1957-4-18 1106 Riverside near Whitewater E of San Gregorio Pass Comment
  RSA263722  Nassella cernua E. W. Lathrop 1966-5-26 6346 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  CAS-BOT-BC259971  Nassella lepida Steve Boyd 1986-5-7 1828 Riverside Alberhill Mountain: Lower slopes of S flank, just E of claymine area Comment
  RSA484139  Nassella pulchra Christopher Davidson 1977-5-25 5649 Riverside Mesa de Burro, Santa Rosa Plateau area of Santa Ana Mountains. Southern California 701 Comment
  RSA431575  Nasturtium officinale Dr H. de Forest 1933-4-16 17598 Riverside Chino Canyon, Colorado Desert, E of Coachella Valley Comment
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Mar 28 2011
  UCR206021  Navarretia fossalis Diane Menuz 2009-5-14 497 Riverside Peninsular Ranges: Santa Ana Mountains, Santa Rosa Plateau. Western side of Mesa de Burro, in series of 4 vernal pools 609 Comment
  UCR96866  Navarretia fossalis Scott D. White 1993-4-30 1320 Riverside San Jacinto Valley, Near intersection of Warren Rd. and Stetson Ave. 458 Comment
  POM122127  Nemacaulis denudata var. denudata S. B. Parish 1906-5-1 s.n. Riverside Palm Springs. Comment
  POM122137  Nemacaulis denudata var. gracilis Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA0026115  Nemacaulis denudata var. gracilis Jim Andre, G. L. Clifton, Ron Kelley 2013-3-21 24394 Riverside West Riverside Mountains; at base of NW corner of range where sand ramps West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley., Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near run up against granitic bouldery slopes, about 10 miles SW of Vidal Jct., 3 miles south of Grommet RR xing at Highway 62. 363 Comment
  HSC85261  Nemacladus longiflorus Steve Boyd 1986-4-22 1753 Riverside Stable alluvial benches of Indian Wash just S of Interstate Hwy 15 Comment
  UCR260877  Nemacladus longiflorus A. C. Sanders 2015-3-30 41530 Riverside Peninsular Range; Eastern Foot of Santa Ana Mtns., Temescal Canyon near Lee (Corona) Lake, 0.1 mi. SW of the dam, south of Temescal Canyon Rd., c. 11 miles SE of Corona 351 Comment
  SEINET13681942  Nemacladus orientalis Tina Ayers, Randy Scott 2017-3-19 1920 Riverside Chuckwalla Mountains, ca 8 miles west of Chuckwalla Valley Road on Dupont Road, roadside at edge of wilderness area 152 Comment
  RSA0123361  Nemacladus ramosissimus Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9043 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  SEINET10461025  Nemacladus ramosissimus Wilder WILDER 575 Riverside Jurupa Mountains, Wilder's Canyon Comment
  JOTR36116  Nemacladus rubescens La Doux, Tasha, B. Truesdell, E. Babich, J. VanWarmerdam 2008-4-1 3046 Riverside Joshua Tree National Park. Little San Bernardino Mountains; southwest of Panorama Heights area of Joshua Tree; large bouldery wash running through northern corner of JOTR boundary 895 Comment
  UCR225212  Nemophila menziesii T. B. Salvato, Matt Malle, Tim Searl 2011-4-19 5166 Riverside Peninsular Range; Gavilan Hills, Alberhill, unpaved extension of Lake Street, 1.5 km NNE of the intersection of Lake Street and Hwy 15 473 Comment
  RSA180273  Nemophila menziesii var. integrifolia E. W. Lathrop 1965-4-4 5611 Riverside 8 miles west of Murrieta-Tenaja Range. Comment
  SBBG132547  Nicotiana attenuata S. D. White, J. M. Wood 2008-6-16 12140 Riverside meadow at Quinn Flat 1378 Comment
  CLARK-A1528-4354  Nicotiana clevelandii H. A. Zuill 1966-7-1 Riverside Lake Elsinore Comment
  UCR224996  Nicotiana clevelandii Dave Silverman, Onkar Singh 2010-3-27 7861 Riverside Sonoran (Colorado) Desert, McCoy Wash, N of Palo Verde Mesa, 4.8 km WSW of Mesaville siding, W of A Canal/Levee Blvd, & c. 6 km N of Blythe Airport 131 Comment
  RSA0060122  Nicotiana clevelandii Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring. Comment
  CSUSB761  Nicotiana glauca Sue Freeman 1966-3-27 Riverside 5 miles east of Yorba Linda cutoff on Highway 91; about 20 yards from stream. 304 Comment
  SDSU13601  Nicotiana glauca W. Miller 1972-8-8 Riverside Comment
  SD128719  Nicotiana obtusifolia Darley F. Howe 1980-4-16 Riverside 4 miles south of Highway 10 on Cornsprings Road, Chuckwalla Mountains 334 Comment
  UCR132745  Nicotiana obtusifolia Scott D. White 1993-2-5 1044 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, Tahquitz debris basin at base of Tahquitz Canyon, off Sunnydunes Drive 183 Comment
  UCR161442  Nicotiana quadrivalvis A. C. Sanders, Mike Misenhelter 2005-9-20 31678 Riverside San Jacinto Mtns. Foothills, Santa Rosa Hills south of Hemet, road NW of Gibbel Flat, south end of Cornell St., 0.5 mi. SE of the Ramona Bowl 610 Comment
  UCR166710  Nicotiana quadrivalvis Scott D. White 2005-7-6 11156 Riverside San Jacinto Mtns/Sonoran/Colorado Desert, San Gorgonio Pass: Cabazon. Toeslope of the San Jacinto Mtns and adjacent fan west of San Gorgonio River, south of the I-10 Fwy 610 Comment
  UCR270744  Nolina cismontana T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8364 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
  SD80949  Nolina parryi James Henrickson 1971-7-29 5575 Riverside 10 mi. SW of Twentynine Palms, 1 mi. N of Salton View, in hills 1280 Comment
  UCR249665  Oenothera deltoides T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7302 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  POM355578  Oenothera deltoides subsp. deltoides M. B. Dunkle 1932-2-25 2921 Riverside 6 miles NW of Indio. Comment
  RSA146010  Oenothera deltoides subsp. deltoides William M. Klein 1959-3-1 800 Riverside Bermuda Dunes; along the LaQuinta road, .5 miles south of the junction of US Hwy 60-99, about 6 miles northwest of Indio. 61 Comment
  CDA38177  Oenothera pallida T. C. Fuller 1958-9-23 2196 Riverside 3 miles east of Anza. 0 Comment
  POM171281  Olneya tesota I. M. Johnston 1930-6-15 3786 Riverside Southeastern end of Eagle Mts. Comment
  UCR249221  Oncosiphon piluliferum LeRoy Gross, Bart O'Brien 2013-3-18 5950 Riverside Coastal Plains and Basins; San Bernardino Basin Region, Fairmount Park, west side of Lake Evans, Riverside, NE of Mt. Rubidoux 238 Comment
  UCR282189  Oncosiphon piluliferum Saharat Nilaad 2017-5-1 01 Riverside Moreno Valley, east of March Air base, empty lot SE of the Iris Ave. intersection with Indian St. 457 Comment
  UCR57110  Oncosiphon piluliferum Diane Concannon 1989-5-9 s.n. Riverside S side of Lake Perris (Perris 14), opposite Allesandro Island, north of bike path 488 Comment
  UCR26540  Opuntia littoralis A. C. Sanders, S. Hagopian 1981-5-20 2145 Riverside Perris-Aguanga Basin, S side of Pauba Valley, within l mi of Hwy 71 bridge over the Temecula River 367 Comment
  JOTR34181  Opuntia phaeacantha La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3231 Riverside Joshua Tree National Park. West of Queen Mountain, southern end of Wonderland of Rocks; Wonderland Wash, north of Mill Street Mine parking area. Active wash corridor with sandy bottom and surrounded by granitic outcrops and pediments; with heavy foot traffic (Stop 1) 1297 Comment
  JEPS85942  Orobanche cooperi L. R. Heckard with R. Bacigalupi 1977-3-15 4522 Riverside ca 16 mi ne Desert Center (along Rice Rd) Comment
  UC455564  Orobanche fasciculata I. J. Condit 1910-6-22 Riverside San Jacinto Mountains. Comment
  CAS-BOT-BC355750  Osmadenia tenella Steve Boyd 1986-5-7 1847 Riverside Temescal Canyon: Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15 Comment
  RSA614422  Oxalis pes-caprae D. L. Banks 1997-3-29 1555 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, at San Gabriel Church along Pechanga Road, in front of the cemetery 378 Comment
  SEINET10635289  Oxalis pes-caprae Greg Gust, Leith Nye 2005-3-11 Gust 539 Riverside Lake Elsinore City Limits. At intersection of Ellis St. & Franklin St. in an overgrown disturbed site. 400 Comment
  RSA126711  Oxytheca caryophylloides Peter H. Raven, R. Snow 1957-7-26 11091 Riverside Banning-Idyllwild road, 0.9 miles north of Vista Grande Ranger Station, San Jacinto Mts. Comment
  UCR3585B  Oxytheca emarginata L. B. Ziegler 1964-7-10 640710- 001 Riverside San Jacinto Mtns., Garner Valley, 2 mi. northeast of Kenworthy Ranger Station Comment
  UC990926  Oxytheca trilobata Susan G. Stokes 1933-7-2 Riverside near Idyllwild Comment
  RSA291611  Paeonia californica C. W. Tilforth, Walter Wisura 1979-4-11 1770 Riverside East end of Murrieta-DeLuz Rd, south of Murrieta. 335 Comment
  SD217338  Paeonia californica Steve Boyd, Tim Toss and Orlando Mistretta 1992-2-2 6660 Riverside San Mateo Canyon Wilderness of the Cleveland National Forest. Lower half of Tenaja Canyon, especially about Fishermans Camp. Comment
  CAS-BOT-BC327890  Palafoxia arida Carl B. Wolf 1932-5-25 3684 Riverside San Gorgonia Wash, on road to Snow Creek Canyon 365 Comment
  RSA778131  Palafoxia arida var. arida Thomas Stoughton, Erika Gardner, D. Bell 2010-11-12 715 Riverside Coachella Valley Preserve. Site #3. Ca 0.25 mile E of road. 305 Comment
  RSA575932  Panicum capillare Steve Boyd 1994-10-14 8393 Riverside Southern Santa Ana Mts., San Mateo Canyon Wilderness Area of the Cleveland Nat'l Forest. San Mateo Canyon, sandy benches in canyon bottoms at the confluence with Bluewater Canyon. 329 Comment
  RSA653404  Panicum capillare Mitch Provance, A. C. Sanders 2000-7-4 2085 Riverside Riverside: Santa Ana River Wash, between the Market St. and Riverside Ave crossings. 244 Comment
  CAS-BOT-BC422793  Papaver californicum Steve Boyd; Tim Ross 1990-5-11 4629 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy 79. 670 Comment
  SBBG101640  Papaver californicum S. Boyd with T. Ross 1990-5-11 4629 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs Cmpgrdt, S of Hwy 79 Comment
  UC64142  Papaver californicum John Haslam 1897-4-19 482 Riverside s of San Jacinto (St. John's Canyon); St. John's Canyon Comment
  UCR7750  Papaver californicum B. Freeman 1968-5-4 680504- 10 Riverside San Jacinto Mtns., Road from Banning to Idyllwild, c. 1 mi. NW of fork to Twin Pines Ranch. 1159 Comment
  GMDRC5836  Parietaria hespera var. hespera J. M. Andre 2013-3-27 24815 Riverside Riverside Mountains: east side of Riverside Mountains, along Hwy 95, 13.2 mi. south of Vidal Jct 126 Comment
  CSUSB1138  Parkinsonia aculeata John N. Bullock 1970-5-8 Riverside Twenty meters south of Dillon Road and Berdoo Canyon Road. 30 Comment
  RSA736784  Parkinsonia aculeata Scott D. White, Angelia Carey 2004-7-2 10553 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  RSA0034160  Parkinsonia florida M. Bourell 1987-4-14 3271 Riverside BLM California Conservation Area, Hwy 195. Spur off of Box Canyon, near Mecca. 150 Comment
  RSA782001  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-12 110 Riverside Rice Valley Dunes, Rice Valley Wilderness. Highway 62 toRice Valley Dunes Road to Midland Vidal Road (Power Line Access Road). South/South east side of dunes. 244 Comment
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Apr 1 2019
  RSA782786  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-5 065 Riverside Alligator ACEC. Desert Center Exit off I10. Follow route to Granite Mine. 399 Comment
  SFV7079  Pectis papposa var. papposa T. Gordon, K. A. Wilson, M. H. Grayum, K. Felt 1974-11-16 779 Riverside Sandy wash along Agnes Wilson Road about 1.5 miles east of U.S. Highway 95. 104 Comment
  UCR263486  Pectocarya anisocarpa A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41454 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
  RSA708432  Pectocarya linearis Scott D. White 2005-3-29 10847 Riverside Cabazon. Alluvial fan and benches west of San Gorgonio river and south of I-10 Freeway. West of existing gravel quarry, likely to be proposed for quarry expansion. 585 Comment
  UCR171952  Pectocarya linearis 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
  POM368778  Pectocarya penicillata Elbert Benjamine 1929-5-18 s.n. Riverside Mt San Jacinto. 762 Comment
  UCR241780  Pectocarya penicillata A. C. Sanders, Timothy W. Chumley 2013-4-2 40734 Riverside Peninsular Range, Temescal Canyon at west side of Horsethief Canyon Rd., south of I-15 Fwy, SE of Corona (Lee) Lake 390 Comment
  RSA346616  Pectocarya peninsularis R. F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54034 Riverside San Bernardino Mountains: 1/4 mile W of Whitewater P. O. and 1/2 mile W of Whitewater River 415 Comment
  RSA703402  Pectocarya platycarpa LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1454 Riverside Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  RSA775800  Pectocarya platycarpa Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 988 Riverside Iron Mountains, on southwest side of mountains in drainage on either side of the road 419 Comment
  UCR102944  Pectocarya platycarpa George K. Helmkamp 1998-4-4 3137 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  UCR175238  Pectocarya platycarpa Jim Andre, T. La Doux 2006-4-11 6743 Riverside S Mojave Desert, Joshua Tree National Park, along Pinto Basin Road (paved) through Wilson Canyon at Fried Liver Wash 858 Comment
  UCR116625  Pectocarya recurvata A. C. Sanders 2001-3-20 23850 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
  JOTR32962  Pectocarya setosa La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2713 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  RSA543594  Pectocarya setosa Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6146 Riverside Santa Ana Mountains, S side of Elsinore Peak. 1037 Comment
  POM13715  Pedicularis densiflora P. A. Munz 1922-4-29 5117 Riverside 5 miles west of Aguanga. 671 Comment
  RSA523493  Pedicularis densiflora Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-3-30 3953 Riverside Vail Lake area, saddle at N base of Big Oak Mtn, S of Black Hills. 732 Comment
  UC1424841  Pedicularis densiflora E. W. Lathrop 1977-4-13 7606 Riverside 4 mi w of Corona (between Tin Mine Canyon and Santiago Peak, Skyline Drive, Sierra Peak near the towers); Santa Ana Mountains Comment
  UCR97288  Pedicularis densiflora Steve Boyd, T. S. Ross, L. Arnseth 1990-3-30 3944 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn, north of the lake, Saddle between summits, N slope along road heading N to Black Hills 793 Comment
  RSA750884  Pelargonium denticulatum T. B. Salvato 2007-10-10 3068 Riverside Riverside, residence at 1009 Bascomb Drive 305 Comment
  SBBG35234  Pellaea andromedifolia T. L. Secrest 1951-5-18 Riverside San Jacinto River bed near Hemet Comment
  UCR163356  Pellaea andromedifolia O. F. Clarke 2002-3-15 s.n. Riverside San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  SEINET13709265  Pellaea andromedifolia J. Adams, J. Adams (Botany) 1966-1 743 Riverside Santa Rosa Plateau, Dirt Rd from Murrieta to De Luz 2500 Ft 762 Comment
  RSA686925  Pellaea mucronata P. J. Remple 1942-3-21 s.n. Riverside Whitewater Canyon. Comment
  UCR16671  Pellaea mucronata Dave Baasch 1972-2-17 720217- 2 Riverside San Jacinto Mountains, San Jacinto Creek 9 mi east of Hemet on State Hwy 74. 701 Comment
  JOTR30782  Pellaea mucronata var. mucronata La Doux, Tasha, Erin Babich 2007-4-18 1515 Riverside Joshua Tree National Park. About .5 mile southeast of Lost Horse Ranger Station, at the west edge of Lost Horse Valley 1278 Comment
  POM11863  Pellaea mucronata var. mucronata P. A. Munz, I. M. Johnston 1922-5-19 5408 Riverside San Jacinto Canyon: canyon bed, near mouth of Strawberry Creek. 1067 Comment
  UC71513  Pellaea mucronata var. mucronata Miss Alice King Riverside Menefee Comment
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Mar 15 2014
  NY583866  Penstemon centranthifolius H. M. Hall 1899-5-31 s.n. Riverside Smith Mountain on north slope 762.0 Comment
  RSA249834  Penstemon centranthifolius Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38095 Riverside San Jacinto Mountains: San Bernardino National Forest. Above James Reserve in Hall Canyon. 1677 Comment
  RSA285587  Penstemon centranthifolius D. C. Michener 1980-6-11 3672 Riverside Bautista canyon 7.1 mi. above jct (end) of Lower BAutista Canyon Rd. (5S14) and short road to CA 74. Comment
  RSA297383  Penstemon centranthifolius Larry E. DeBuhr 1972-3-23 512 Riverside Santa Rosa Mts. San Bernardino National Forest. Along forest road 7S02 to Santa Rosa Mt.; loose granite soil. 1646 Comment
  RSA33785  Penstemon centranthifolius N. C. Cooper 1944-5-20 1312 Riverside Pine Flats, Palms to Pines Highway, San Jacinto Mountains. 1220 Comment
  RSA412458  Penstemon centranthifolius N. C. Cooper 1949-6-29 4331 Riverside Idlewild, San Jacinto Mountains. 1524 Comment
  RSA757625  Penstemon centranthifolius LeRoy Gross, Jackie McConnaughy, Andrew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4333 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
  SD77337  Penstemon clevelandii F. W. Pennell, A. L. Grant 1940-4-28 25287 Riverside Route 74, Ribbonwood, e. of San Jacinto Range 1402 Comment
  SD119905  Penstemon clevelandii var. connatus Louis B. Ziegler 1967-5-31 141 Riverside Pinyon Flats in San Jacinto Mountains. Along He=wy #74 above and below flats 1219 Comment
  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
  RSA408449  Penstemon grinnellii E. C. Jaeger 1923-6-21 s.n. Riverside Idyllwild 1616 Comment
  UCR23082  Penstemon heterophyllus W. W. Mayhew, B. A. Carlson 1981-6-6 s.n. Riverside San Jacinto Mtns, Valley Hi County Park off Hwy 243 1220 Comment
  RSA402126  Penstemon labrosus H. E. Hasse 1892-7-4 s.n. Riverside San Jacinto. Comment
  RSA401806  Penstemon spectabilis var. spectabilis Robert Gustafson 1983-4-18 2498 Riverside Clinton Keith Rd. about 2.5 miles from its junction with Hwy 15, eastern slopes of the Santa Ana Mtns. 457 Comment
  RSA741210  Pentachaeta aurea Scott D. White, Justin M. Wood 2008-5-15 11987 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  RSA0070921  Pentagramma maxonii F. W. Peirson 1921-3-20 5357 Riverside Andreas Canyon, near Palm Springs. 243 Comment
  RSA687390  Pentagramma triangularis Norman C. Cooper 1947-4-5 2031 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  JEPS60101  Pentagramma triangularis subsp. triangularis W. L. Jepson 1939-4-17 19136 Riverside near Twin Springs (n end Temescal Canyon); Temescal Canyon 274 Comment
  CAS-BOT-BC77495  Peritoma arborea var. angustata R. Bacigalupi 87 Riverside Canyon Springs Comment
  CAS-BOT-BC77527  Peritoma arborea var. arborea Ivan Johnston 1917-4-4 1057 Riverside Palm Canyon 457 Comment
  CAS-BOT-BC355983  Perityle emoryi D. A. Johansen; J. A. Ewan 1932-4-10 7059 Riverside Mouth of Tahquitz Canyon, western Colorado Desert Comment
  POM10251  Perityle emoryi Charlotte M. Wilder 1907-04 s.n. Riverside Andreas Canyon, near Palm Springs Comment
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Apr 17 2011
  POM98818  Perityle emoryi P. A. Munz 1926-1-31 9948 Riverside Dos Palmos [Palmas] Spring. Comment
  SBBG65629  Perityle emoryi M. N. Ackley -Feb-1926 255 Riverside mouth of Painted Cyn Comment
  RSA92220  Perityle emoryi F. W. Peirson 1369 Riverside Andreas Canyon near Palm Springs. 274 Comment
  JOTR35185  Persicaria lapathifolia La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3280 Riverside Joshua Tree National Park. Queen Mountains; West side of Barker Dam; Small riparian zone in and along drainage from dam (Stop 5) 1300 Comment
  UCR46612  Petalonyx linearis J. M. Stewart 1986-9-29 86 22 Riverside Sonoran (Colorado) Desert, canyon on south side of Orocopia Mtns Comment
  CAS-BOT-BC167770  Petalonyx thurberi Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring 60 Comment
  SEINET179641  Petalonyx thurberi Victor Duran 1933-7-3 3500 Riverside Coachella Valley at Deep Canyon. 244 Comment
  UCR274214  Petalonyx thurberi Duncan S. Bell, Evan Meyer 2014-10-29 7688 Riverside Santa Rosa Mountains, Agua Alta Canyon, to the north of Martinez Canyon, c. 6 air miles southeast of the summit of Martinez Mountain 394 Comment
  RSA544292  Petunia parviflora Steve D. Boyd, Tim S. Ross 1991-6-14 6355 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
  RSA737122  Petunia parviflora Justin M. Wood 2008-10-15 188 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  CHSC99047  Peucephyllum schottii LeRoy Gross 2005-3-3 1568 Riverside Colorado Desert; Northeastern Colorado Desert region: Palen Mountains, south side. Near end of old prospect road. Growing on rocky cliff above canyon. 68 Comment
  JOTR35339  Peucephyllum schottii Harding, Mitzi, Mark Wheeler 2012-2-28 105 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; steep-walled, shallow, north-flowing canyon with rocky wash bottom (Stop 4) 361 Comment
  RSA20298  Peucephyllum schottii Roxana S. Ferris, Ruth P. Rossbach 1938-5-16 9562 Riverside Mecca Hills 2 miles up Painted Canyon. Comment
  SD44850  Peucephyllum schottii Darley F. Howe 1952-4-5 2146 Riverside 12 miles south of highway east of Mecca along All American Canal Comment
  UCR196348  Peucephyllum schottii Naomi Fraga, Lisa Rojas 2005-2-10 1375 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  SEINET10801063  Peucephyllum schottii David B. Dunn, Shogo; Schroeder; Bruskin; A. Folsom 1948-3-13 Dunn 3700 Riverside Pushawalla; growing in the wash. Indio Hills, Colorado Desert. Comment
  SEINET9118770  Peucephyllum schottii K. K. Muller 1952-1 559 Riverside 2 mi. N of Dos Palmas on road from Hot Mineral To Mecca-Blythe Hwy. Comment
  UC702010  Phacelia Frank W. Gould 1943-4-17 2129 Riverside 4 mi e Elsinore Comment
  RSA517240  Phacelia ambigua Steve Boyd, T. S. Elias, Erika Winter 1986-2-18 1327 Riverside Mecca Hills, Colorado Desert: Painted Canyon N of Highway 195. Comment
  RSA427682B  Phacelia brachyloba N. C. Cooper 1944-5-21 1268 b Riverside San Jacinto Mountains, west side. 1220 Comment
  RSA602245  Phacelia brachyloba R. S. Woglum 1937-5-22 551 Riverside Santa Rosa Mountains, near Santa Rosa Indian Reservation. Comment
  RSA278975  Phacelia campanularia Barry A. Prigge, L. Martinez 1978-3-23 2427 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  UCR116811  Phacelia campanularia A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23941 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  RSA752223  Phacelia campanularia subsp. campanularia Scott D. White, Justin M. Wood, Paul Kielhold 2009-4-21 12586 Riverside San Bernardino Mountains: Ridgeline E of Whitewater Canyon, +/- 2 miles N of town of White Water (Interstate 10), near Super Creek Quarry. 640 Comment
  UCR244297  Phacelia campanularia subsp. vasiformis Jim Andre 2012-4-16 20875 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd., 1.0 mi. north of south entrance to J.T.N.P. 584 Comment
  UCR174174  Phacelia cicutaria var. hispida A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32594 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UCR84655  Phacelia cicutaria var. hispida Scott D. White, S. Ogg 1994-4-21 1966 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  UCR91405  Phacelia cicutaria var. hispida Scott D. White 1995-4-5 2721 .1 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  SEINET7048178  Phacelia cicutaria var. hispida Steven R. Hill 2001-5-3 33684 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  HSC13640  Phacelia crenulata R. A. Eagle 1964-3-28 18 Riverside N end of Salton Sea State Park Comment
  RSA783488  Phacelia crenulata J. D. Olmsted 1958-3-29 80 Riverside Joshua Tree National Monument. Pinto Basin 15-20 mi north of junction between Cottonwood Pass and Cottonwood Spring Roads on the former, now become Pinto Basin Road just past Cholla Cactus Gardens. 762 Comment
  JOTR30326  Phacelia crenulata var. ambigua La Doux, Tasha, E. Babich, J. Galvin, B. Truesdell, N. Fraga, A. Miller, J. Van Warmerdam 2008-2-4 1770 Riverside Joshua Tree National Park. Stop #1: Hexie Mtns./Porcupine Wash. Open sandy wash near road heading to Cottonwood. 745 Comment
  JOTR31856  Phacelia crenulata var. ambigua La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2113 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  RSA797512  Phacelia crenulata var. ambigua C. P. Cowan 1978-4-23 1172 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. 570 Comment
  UC1563073  Phacelia crenulata var. ambigua Steve Boyd and Orlando Mistretta 1986-3-13 1440 Riverside ne Desert Center; West side Palen Mts. Comment
  UCR245953  Phacelia crenulata var. minutiflora Duncan S. Bell 2009-3-7 18 Riverside Arica Mountains, ridgeline of range just north of the summit along the border of the Palen/McCoy Wilderness Area 614 Comment
  UCR88543  Phacelia cryptantha A. C. Sanders 1995-4-13 16490 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Devil's Garden, E end of the mtns., 2.1 mi west of Hwy 62 on Pierson Avenue and dirt extension, 1.7 mi above Sierra Blvd. 793 Comment
  JEPS2319  Phacelia distans W. L. Jepson May 17 1901-Jun 1 1901 1276 Riverside Canyon of the San Jacinto River Comment
  RSA346252  Phacelia distans Robert F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54068 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  RSA426219  Phacelia distans Christopher Davidson, Robert Gustafson 1977-4-7 5574 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. Hillside, N slope. 610 Comment
  RSA784769  Phacelia distans Duncan S. Bell 2012-3-18 3173 Riverside Mecca Hills; southeastern section of hills; up a side canyon of the east fork of Hidden Springs Canyon, approximately 1.5 air mile southwest of Hidden Spring. 129 Comment
  UCR137030  Phacelia distans A. C. Sanders 2004-5-5 27767 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  UCR243128  Phacelia distans Kate Kramer 2012-5-25 263 Riverside Along Highway 243, between Mt. Edna Road and Vista Grande fire station. 1387 Comment
  UC144133 Image available Phacelia douglasii var. cryptantha Charlotte M. Wilder 1908-3-28 873 Riverside sandy flat north of pond, Fairmount Park, Riverside, Cal. Comment
  OBI6306  Phacelia minor Robert F. Hoover 1969-4-13 11226 Riverside 7 mi NW of San Jacinto Comment
  SFV11870  Phacelia minor R. H. Swade 1963-12-7 s. n. Riverside Colorado Desert Open desert west of Snow Creek Road, about 3 miles south of Interstate 10 intersection with California State Highway 111. 366 Comment
  UCR113171  Phacelia minor A. C. Sanders 1998-3-11 21667 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near east end of hills 518 Comment
  UCR231807  Phacelia minor Brent Barnes, A. C. Sanders, Giles Waines, UCR Plant Taxonomy Class 2007-5-12 03 Riverside Peninsular Range; San Jacinto Mtns., dirt forest service road north of Poppet Flats, west of Hwy 243 1253 Comment
  POM264306  Phacelia mutabilis J. C. Roos 1937-8-18 670 Riverside Round Valley, San Jacinto Mountains. Comment
  RSA699573  Phacelia parryi Kenneth Beard 1934-04 s.n. Riverside Hills along Ortega Highway, south of San Juan Hot Springs Comment
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Oct 31 2011
  CAS-BOT-BC265862  Phalaris canariensis Peter H. Raven 1958-5-18 12992 Riverside Pinon Flats, San Jacinto Mountains 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
  UCR76159  Phalaris minor A. C. Sanders 1993-4-1 76159 Riverside Perris-Aguanga Basin Region, western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St. and Devonshire Ave., 0.75 mile NE of the intersection of Florida Ave (Hwy 74) and Warren Rd, just south of Tres Cerritos 460 Comment
  PASA1945  Philibertia hirtella 1928-3-3 Riverside Hidden Springs Col. Desert Comment
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Aug 27 2016
  UCR35056  Phlox austromontana L. B. Ziegler 1972-5-4 450 Riverside San Jacinto Mountains, near and above Morris Ranch area 1524 Comment
  SD103332  Pholisma arenarium W. P. Armstrong 1979-6-23 Riverside Bautista Canyon Rd. approx. 6 miles NW of Junction with Hwy 371 1219 Comment
  RSA613892  Pholistoma membranaceum A. C. Sanders 1997-2-8 19683 Riverside Colorado Desert/ San Jacinto Mtns: Palm Springs area, Tahquitz Debris Basin at mouth of Tahquitz Canyon. 183 Comment
  UC665770  Pholistoma membranaceum Ira L. Wiggins 1941-3-27 9698 Riverside slopes 4 mi. n. Whitewater Comment
  UC1930199  Pholistoma racemosum Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10491 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  CAS-BOT-BC135102  Phoradendron californicum Roxana S. Ferris 1918-7-14 964 Riverside by stream at Palm Springs Comment
  CAS-BOT-BC135112  Phoradendron californicum C. L. Hitchcock 1940-3-2 5917 Riverside Cottonwood Spring Wash, Joshua Tree Nat. Monument Comment
  CDA22364  Phoradendron californicum T. C. Fuller 1961-1-1 5493 Riverside West of Highway 99, 1.5 miles south of Oasis. 0 Comment
  JOTR29443  Phoradendron californicum La Doux, Tasha, Mike Bell 2006-3-8 1341 Riverside Joshua Tree National Park. Hayfield spring Comment
  RSA703485  Phoradendron californicum LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda L. Worlow 2005-2-17 1465 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  RSA777785  Phoradendron californicum Jim Andre 2011-2-9 15909 Riverside Mecca Hills; along Box Canyon Road at upper end of gorge, approx. 6 miles SSE of Jct. with I-10, approx. 12 miles west of Chiraco Summit 284 Comment
  UC1194633  Phoradendron californicum Del Wiens 1953-12-5 872 Riverside near junction of rd. from s. end with U.S. 60 & 70 Joshua Tree Nat'l Monument; Colorado Desert, Joshua Tree Nat'l Monument 152 Comment
  UC848868  Phoradendron californicum I. W. Clokey 1935-4-17 6575 Riverside Cottonwood Springs Comment
  UCR195798  Phoradendron densum Jim Andre, T. La Doux 2007-9-6 8702 Riverside Little San Bernardino Mountains, Joshua Tree National Park, c. 5 mi south of west entrance 1226 Comment
  CAS-BOT-BC135177  Phoradendron juniperinum Louis C. Wheeler 1931-10-3 243 Riverside 1 1/2 mi NW Tahquitz Peak, San Jacinto Mts. 1920 Comment
  OBI12426  Phoradendron libocedri Louis C. Wheeler 1931-10-3 243 Riverside 1.5 I NW Tahquitz Peak, San Jacinto Mts 1920 Comment
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Jul 9 2012
  RSA201603  Phoradendron macrophyllum E. W. Lathrop, Robert F. Thorne 1967-11-7 6678 Riverside 5 mi. NW of Murrieta. On the Tenaja rd. at the Santa Rosa ranch turn off. Comment
  SD187490  Phoradendron macrophyllum Scott D. White, Angelia Carey 2004-4-16 10156 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes 548 Comment
  CLARK-A1528-4359  Physalis crassifolia Art Whistler 1966-3-26 Riverside Deep Canyon Comment
  HSC82761  Physalis crassifolia Christopher Davidson 1979-4-4 7676 Riverside Orocopia Mtns., lower end of Box Canyon on Box Canyon Rd., 4.4 mi. E of Mecca 213 Comment
  JOTR31098  Physalis crassifolia La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2356 Riverside Joshua Tree National Park. Little San Bernardino Mountains, north end of Lost Horse Hills; Side canyon off main wash between Ryan Mtn and Lost Horse Hills, with steep rocky slopes (Stop 4) Comment
  RSA0042380  Physalis crassifolia Duncan S. Bell, LeRoy Gross 2014-3-13 6237 Riverside Orocopia Mountains; southern section of range; approximately 3 air miles northwest of Clemens Well. 431 Comment
  RSA388056  Physalis crassifolia Steve D. Boyd 1985-12-25 1200 Riverside Gavilan Hills; granitic ridge on W side of Steele Valley in SCE Transmission Line Corridor. Comment
  RSA444461  Physalis crassifolia Roos 1965-6-23 s.n. Riverside Lost Palms Wash. Comment
  UC1552022  Physalis crassifolia David Charlton 1988-2-18 1196 Riverside 5 mi e Dillon Rd. junction with Fargo Canyon Rd. (Fargo Canyon Rd to Cottonwood Wash, s of Joshua Tree National Park, parallel to I-10, s side of Little San Bernardino Mtns); Little San Bernardino Mtns. 762 Comment
  UCR103322  Physalis crassifolia George K. Helmkamp, E. A. Helmkamp 1998-2-5 2653 Riverside Sonoran (Colorado) Desert, Indio Hills, 3 mi. east of Thousand Palms & 1.1 mi. N on Amity Rd. 101 Comment
  UCR244878  Physalis crassifolia Jim Andre 2012-3-19 21386 Riverside Sonoran (Colorado) Desert, Palen Mountains, along Palen Pass Rd at Palen Pass 383 Comment
  SD125695  Phytolacca americana Don Domenigoni 1986-4-21 Riverside Young property, Hemet. Comment
  RSA228819  Pickeringia montana Colin M. Wainwright 1972-2-10 590 Riverside Cleveland National Forest. 7.5 miles South of Lake Elsinore along Forest route 7S04, T7S, R5W, S15 Comment
  POM12749  Pinus contorta var. murrayana Philip A. Munz 1922-7-6 6038 Riverside San Jacinto Peak. Near summit. 3277 Comment
  CAS-BOT-BC78555  Pinus coulteri James R. Shevock 1976-10-29 5365 Riverside along FS road 3S04, approximately 2 miles below Bear Springs. Santa Ana Mountains, Cleveland National Forest 914 Comment
  CAS-BOT-BC78592  Pinus flexilis Carl B. Wolf 1932-8-5 3971 Riverside San Jacinto Mts. Slopes of San Jacinto Peak, along trail above [round valley] Round Valley 2926 Comment
  UC1612275  Pinus lambertiana H. M. Hall 2319 Riverside Tauquitz Peak San Jacinto Mts., Tauquitz Peak Comment
  UC64550  Pinus lambertiana H. M. Hall 1901-7-2 2318 Riverside near Tauquitz 2590 Comment
  CAS-BOT-BC78895  Pinus monophylla John Thomas Howell 1960-3-24 35150 A Riverside Pinyon Flat, [Palms-to-Pines] Palms to Pines Highway, San Jacinto Mts. Comment
  RSA660599  Pinus monophylla L. Merrill 1999-8-27 s.n. Riverside Cactus Springs Trailhead, Santa Rosa Mtns. Comment
  SEINET3873914 Image available Pinus monophylla Noel H. Holmgren, Patricia K. Holmgren 1974-4-2 7577 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).; 0 1311 Comment
  JEPS48191  Pinus ponderosa W. L. Jepson 2289 Riverside Strawberry Valley San Jacinto Mts., Strawberry Valley 1676 Comment
  POM293252  Pinus quadrifolia Lyman Benson 1956-12-1 15706 Riverside Palms to Pines Highway at the lowest level of Coulter pines. Mt. Range San Jacinto. 1524 Comment
  UC665711  Pinus quadrifolia Victor Duran 1933-7-2 3495 Riverside near Santa Rosa; Santa Rosa Mountains 1676 Comment
  LA24977  Piperia cooperi M. Zaitlin; 1951-5-12 sn Riverside San Juan Canyon, Hwy 74 914 Comment
  UCR91216  Pityrogramma triangularis var. triangularis Scott D. White 1996-3-31 3858 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  SD186144  Plagiobothrys acanthocarpus A. c. Sanders, Kelly Volansky 2005-3-17 29201 Riverside French Valley, southeast of Winchester Rd., between Thompson Rd. and Benton Rd., ca. 0.5 mile northeast of Adobe Spring. 412 Comment
  UCR226074  Plagiobothrys acanthocarpus A. C. Sanders, T. B. Salvato 2011-4-1 38943 Riverside Peninsular Range, Lake Elsinore, SW of Baker St. along dirt branch road to microwave tower, near large water tank on hill 409 Comment
  UCR80729  Plagiobothrys acanthocarpus Steve Boyd 1992-4-18 6895 Riverside Perris-Aguanga Basin region, Paloma Valley, between Sun City and Murrieta, east of Hwy 215; just SW of the junction of Briggs Road and Scott Road 457 Comment
  SEINET3084181 Image available Plagiobothrys arizonicus Andrew C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16286 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert; San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 335 Comment
  HSC85447  Plagiobothrys canescens Steve Boyd 1986-3-3 1376 Riverside Good Hope Valley; about 5 mi. W of Perris. DePrad St., 0.5 mi. E of Cowie Ave. 488 Comment
  UCR120590  Plagiobothrys canescens Steven R. Hill 2001-4-29 33522 Riverside Calimesa, south side of Route I-10 right-of-way, 0.2 mi west of Desert Lawn Road exit 705 Comment
  UCR25420  Plagiobothrys canescens John C. Roos 1952-4-30 5605 Riverside Peninsular Range, hills between Camp Haan and Riverside 534 Comment
  UCR193272  Plagiobothrys collinus A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35616 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.1 mi SW of Fleming Ranch, along dirt track 1555 Comment
  RSA639626  Plagiobothrys collinus var. californicus R. F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 51977 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  RSA674550  Plagiobothrys collinus var. californicus Scott D. White 2000-5-1 7751 Riverside Corona: Western foothills of Santa Ana Mountains near Bedford Canyon. 351 Comment
  SD143990  Plagiobothrys collinus var. californicus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19844 Riverside Lake Skinner area: lower Rawson Canyon, along road NE of Skinner Lake. 456 Comment
  UC78057  Plagiobothrys collinus var. californicus Edward Lee Greene 1885-1-1 Riverside Temecula Station Comment
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Mar 27 2011
  UCR182164  Plagiobothrys collinus var. californicus Mitch Provance 2003-4-5 6608 Riverside San Bernardino Valley, SW extreme of the Jurupa Mountains, Glen Avon, slopes N of the northern extreme of Campbell St 274 Comment
  UCR246654  Plagiobothrys collinus var. californicus A. C. Sanders 2012-3-22 39987 Riverside Peninsular Range; Temescal Valley, foot of Santa Ana Mtns., SE of intersection of Glen Eden Rd. and I-15 Frontage Rd., south of Corona (Lee) Lake 378 Comment
  UCR182310  Plagiobothrys collinus var. fulvescens Mitch Provance 2003-4-5 6609 Riverside San Bernardino Valley, Jurupa Mountains, Glen Avon, slopes above the northern extreme of Campbell St 274 Comment
  UC219259  Plagiobothrys collinus var. ursinus Munz and Johnston 1922-5-19 5416 Riverside Garner Ranch San Jacinto Mts., Hemet Valley 1386 Comment
  RSA779592  Plagiobothrys jonesii Duncan S. Bell 2009-3-7 23 Riverside Arica Mountains: collecting on the ridgeline of the mountain range just north of the summit along the border of the Palen/McCoy Wilderness area. 614 Comment
  UCR76172  Plagiobothrys leptocladus A. C. Sanders 1993-4-1 13671 Riverside Perris-Aguanga Basin Region, western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St. and Devonshire Ave., 0.75 mile NE of the intersection of Florida Ave (Hwy 74) and Warren Rd, just south of Tres Cerritos 460 Comment
  UCR91281  Plagiobothrys leptocladus Scott D. White, M. Jacobsmeyer 1996-4-20 3967 Riverside Perris Basin, Near Perris Airport, c. 100 m north of Case Road, just west of the I-215 Fwy 433 Comment
  RSA92556  Plagiobothrys leptocladus J. C. Roos 1952-5-7 5623 Riverside Flats at Edgemont Comment
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May 21 2011
  SEINET242057  Plagiobothrys nothofulvus A. C. Sanders, T. B. Salvato 2001-3-30 23872 Riverside Perris-Aguanga Basin region: Temecula, Long Cnyn W of Del Rey Rd., along bottom of cnyn W of junxn of Ave. Pina Colada 366 Comment
  UCR201615  Plagiobothrys tenellus Scott D. White, Justin M. Wood 2008-6-18 12242 Riverside San Jacinto Mountains, meadow northwest of Keen Camp Summit, southwest of Hwy 79 1463 Comment
  RSA615133  Plantago erecta A. C. Sanders, G. K. Helmkamp 1997-3-15 19970 Riverside Lake Skinner area, lower Rawson Canyon, along the dirt road toward Bachelor Mtn 457 Comment
  RSA654617  Plantago erecta Starr Streight 1982-4-17 60 Riverside south of Cajalco Road, 0.3 miles east of La Sierra Hwy. Comment
  UCR102879  Plantago erecta A. C. Sanders 1997-3-26 20129 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  UCR107708  Plantago erecta A. C. Sanders 1997-3-1 19740 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
  UCR4594  Plantago lanceolata R. G. Barber 1962-5-11 s.n. Riverside City of Riverside, near drainage ditch on UCR grounds at 4808 Chicago Avenue. Comment
  RSA228821  Plantago major Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 603 Riverside Santa Rosa Plateau, ca. 5 miles south west of Murrieta near Forest Route 7S01. 488 Comment
  JOTR35285  Plantago ovata Andre, Jim 2012-4-11 20779 Riverside Joshua Tree National Park. NW Eagle Mountains, along dirt road to Black Eagle Mine, 0.7mi east of road to Cottonwood Spring, 34mi south of Hwy 62 at Twentynine Palms. 729 Comment
  SBBG68779  Plantago ovata var. fastigiata M. N. Ackley 1928-4-4 792 Riverside Thousand Palms 304 Comment
  CHSC108890  Plantago patagonica Orlando Mistretta; D Bell, J England, J Hall, C McDonald, L Reccia 2010-4-13 4987 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
  JOTR16769  Plantago patagonica Moore, Sue 1968-5-5 s.n. Riverside Joshua Tree National Park. QUEEN VALLEY 1341 Comment
  RSA401990B  Plantago patagonica N. C. Cooper 1944-4-21 1138 Riverside Banning. 701 Comment
  UCR138597  Platanus racemosa D. L. Banks 1996-11-7 1213 Riverside Agua Tibia Mountains, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. At the end of the main road in the Reservation, 1.6 km east of the roads crossing with Pechanga Creek on the N fork of the creek, at the E end of the Reservation 415 Comment
  CAS-BOT-BC91875  Platystemon californicus H. L. Mason 1926-4-30 3134 Riverside Two miles south of Temecula. Comment
  RSA675047  Platystemon californicus Scott D. White 2001-5-1 8439 Riverside Near Sun City: Quail Valley: Valleys and slopes east of Canyon Lake and west of Goetz Road. 442 Comment
  UC50137  Platystemon californicus H. M. Hall June, 1901 2189 Riverside s side San Jacinto Mountains; s side San Jacinto Mountains 1341 Comment
  UCR4098  Plectritis ciliosa subsp. insignis 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
  RSA697726  Pleuraphis rigida J. Russell Bruff s.n. Riverside Palm Springs. Comment
  SBBG35124  Pleuraphis rigida T. L. Secrest 1948-4-7 Riverside ca. 7 mi below Whitewater 274 Comment
  UC1979847  Pleuraphis rigida Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-4-5 960 Riverside Mojave Desert; East Mojave Desert region: Blythe-Rice Road, East / Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing. Comment
  POM14378  Pleurocoronis pluriseta P. A. Munz 1922-4-9 4799 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  POM98792  Pluchea odorata P. A. Munz 1926-1-31 9980 Riverside Dos Palmos [Palmas] Spring. Comment
  RSA639702  Pluchea odorata Scott D. White 1998-12-2 7199 Riverside Temescal Canyon - Lake Elsinore area. 366 Comment
  CAS-BOT-BC326545  Pluchea sericea H. S. Gentry 1954-7-25 14248 Riverside Aguanga Comment
  SFV4076  Pluchea sericea F. D. Adair 1959-6-9 s. n. Riverside Palm Springs Wildlife Sanctuary. Comment
  UCR103731  Pluchea sericea A. C. Sanders 1997-3-19 20033 Riverside Lake Skinner area, S foot of Bachelor Mtn., across the northern arm of the lake from the boat ramp, from dirt track down to lakeshore 457 Comment
  CAS-BOT-BC246625  Poa howellii H. M. Hall 1901-8-1 2594 Riverside San Jacinto Mountains. In Tamarack Valley 2804 Comment
  SEINET10523398  Poa pratensis David B. Dunn 1946-8-17 Dunn 2681 Riverside Grass near stream at camp in Taquity valley damp meadow area. Grass San Jacinto Mts. 2438 Comment
  SJSU11304  Poa secunda subsp. juncifolia S. H. Casey 1981-4-15 1197 Riverside Jumbo Rocks, Joshua Tree National Monument Comment
  CAS-BOT-BC243001  Poa secunda subsp. secunda Peter H. Raven 1958-5-17 12941 Riverside 7.4 miles SE of Banning on road to Idyllwild, San Jacinto Mountains Comment
  JOTR34480  Poa secunda subsp. secunda Andre, Jim 2012-4-16 20961 Riverside Joshua Tree National Park. Queen Valley; north side of Ryan Mtn. at Sheeps Pass campground area. 1370 Comment
  UC39729  Poa secunda subsp. secunda H. M. Hall 1899-5-21 1130 Riverside Chalk Hill; San Jacinto Mts 1676 Comment
  UCR263230  Polycarpon tetraphyllum A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41460 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 2.95 miles ESE of Cabazon, c. 0.84 mi. NNW (335 deg. ) of One Horse Spring, south of I-10 and SE of water bottling plant, edge of wind farm 452 Comment
  SEINET1004867  Polygala acanthoclada Annie M. Alexander, Louise Kellog 1941-1 Riverside Comment
  UCR217566  Polygala cornuta var. fishiae Jeff B. Galvin 2008-6-3 50 Riverside Peninsular Ranges, foothills of the Santa Ana Mountains, Just west of De Luz Creek, along Avocado Mesa Rd. 547 Comment
  RSA785070  Polygonum arenastrum Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 78 Riverside Fobes Ranch road turn from Hwy 74 Comment
  UCR17333  Polygonum argyrocoleon O. F. Clarke 1978-10-20 s.n. Riverside Riverside; Rubidoux area, 0.5 mi. north of Santa Ana River, north side of Limonite, 0.3 mi west of Clay St. intersection Comment
  POM159503  Polygonum aviculare subsp. aviculare J. B. Feudge 1927-4-11 1643 Riverside Damp border, Temescal Canon. 351 Comment
  UC56641  Polygonum lapathifolium H. M. Hall Aug. 1901 Riverside Vicinity of Riverside 304 Comment
  UCR13972  Polygonum lapathifolium George K. Helmkamp 1973-10-3 s.n. Riverside San Jacinto Mtns., Strawberry Creek, near Idyllwild Comment
  UCR278856  Polygonum lapathifolium Mitch Provance 2012-11-10 17602 Riverside San Bernardino Valley, Riverside, Springbrook Creek (remnant) Fairmont Park, between the east side of Lake Evans and the west side of Market St. 245 Comment
  UCR168686  Polypogon interruptus T. B. Salvato, John F. Green 2004-5-27 582 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  RSA595273  Polypogon viridis D. L. Banks, Victor Steinmann 1996-4-20 901 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. 512 Comment
  CAS-BOT-BC102581  Populus fremontii Swingle 1915-9-1 s.n. Riverside Indio Comment
  CAS-BOT-BC102588  Populus fremontii W. R. Dudley 1903-12-25 s.n. Riverside Palm Springs Comment
  SD229275  Populus fremontii Dick Schwenkmeyer, Tony Harper - Collector 2013-5-8 893 Riverside Agua Bonita Spring, Palm Canyon, approx. 8 Mi. S. of Catherdral City 883 Comment
  UCD170905  Populus fremontii A. C. Sanders 2002-3-5 24890 Riverside San Jacinto River Valley, State St. at the NW edge of the town of San Jacinto, near Mt. San Jacinto College on the south side of the river. 457 Comment
  CAS-BOT-BC356168  Porophyllum gracile W. L. Jepson 1912-10-22 5242 Riverside Riverside Mts. 137 Comment
  UC1511365  Porophyllum gracile James Eckenwalder 1976-10-25 1282 Riverside near Cottonwood Springs; Joshua Tree National Monument Comment
  UC1446193 Image available Portulaca oleracea subsp. papillatostellulata A. Danin 1978-3-13 Riverside Palm Springs, Riverside Co. Comment
  UCR160449  Potamogeton T. W. Fisher, R. E. Orth 1964-6-25 s.n. Riverside San Jacinto Mtns., Lake Hemet near stream 1311 Comment
  UC213651  Potamogeton crispus S. B. Parish 1919-4-19 19248 Riverside Santa Ana River near Corona; Santa Ana River Comment
  UCR202447  Potentilla glandulosa Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  CAS-BOT-BC144850  Potentilla rimicola Frank W. Peirson 1924-7-27 5000 Riverside 1/2 mile west of Deer Spring, San Jacinto Mts. Comment
  JEPS65585  Prosopis glandulosa var. torreyana W. L. Jepson 1901-5-22 1378 Riverside Palm Canyon and return to Van Deventer's Ranch, journey from Riverside to Santa Rosa Peak and Palomar, Southern California Palm Canyon Comment
  UC61545  Prosopis glandulosa var. torreyana Miss Mary McKibben May 1904 Riverside Mecca; Colorado Desert -60 Comment
  CAS-BOT-BC216522  Prosopis pubescens Alice Eastwood 1913-4-30 3062 Riverside Palm Springs Comment
  UC1129890  Prosopis pubescens H. S. Yates 1936-4-8 5451 Riverside 5 mi se Coachella; Thermal Quad. 30 Comment
  RSA453232  Prunus fasciculata Anstruther Davidson s.n. Riverside Colorado Desert. Comment
  UC64519  Prunus fasciculata H. M. Hall and W. L. Jepson May 17, 1901-June 1, 1901 1830 Riverside about 10 mi n of Van Deventer (below the old mine, e base of San Jacinto Mountain, Journey from Riverside to Santa Rosa Peak and Palomar); San Jacinto Mountain 609 Comment
  CAS-BOT-BC151122  Prunus fremontii Nancy Ryan Zabriskie; Walter Zabriskie 1969-4-2 180 Riverside Upper slopes northwest of end of Andreas Canyon Club Road, Andreas Canyon near Palm Springs 609 Comment
  POM13906  Prunus fremontii Philip A. Munz 1922-3-12 4707 Riverside Andreas Canyon, Palm Springs. [Santa Rosa Mtns., W margin Colorado Des -SW] Comment
  RSA342002  Pseudognaphalium biolettii R. F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54114 Riverside San Bernardino Mountains: Mesquite thicket along Whitewater Canyon road. Comment
  GMDRC6556  Pseudognaphalium californicum J. M. Andre 2012-6-15 30510 Riverside San Jacinto Mountains: along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest 1172 Comment
  RSA596145  Pseudognaphalium luteoalbum D. L. Banks 1996-11-7 1193 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; At the end of the main road in the Reservation, approximately 150 m NW of the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 472 Comment
  MACF019489  Pseudotsuga macrocarpa Trudy R. Ericson 1974-11-9 270 Riverside Approx. 5 mi. west of intersection of St. 74 and 243, going toward Hemet. San Bernardino National Forest. 1219 Comment
  UCR22137  Psilocarphus brevissimus var. brevissimus Steve Boyd 1980-5-17 286 Riverside Gavilan Hills, Harford Springs County Park, on the NW corner of the Gavilan plateau. Comment
  UCR114739  Psilotum nudum A. C. Sanders, J. M. DiTomaso 2000-7-12 23587 Riverside San Bernardino Valley, Riverside: UCR campus, along East Campus Drive beside greenhouses at intersection with Eucalyptus Drive 335 Comment
  JEPS41710  Psorothamnus arborescens var. simplicifolius M. French Gilman 1931-5-20 Riverside between Palm Springs and Whitewater Comment
  SD116581  Psorothamnus arborescens var. simplicifolius Barbara Ertter, Jeffrey Strachan 1980-5-20 3568 Riverside West side Whitewater Hill, east side of Whitewater Wash, northwest end of Coachella Valley, north of I-10. 456 Comment
  UC667322  Psorothamnus arborescens var. simplicifolius Annie M. Alexander and Louise Kellogg 1941-5-22 2217 Riverside 1.5 mi n Cottonwood Spring (Eagle Mountains, Colorado Desert); Colorado Desert, Eagle Mountains, n of Cottonwood Spring 975 Comment
  UCR16205  Psorothamnus arborescens var. simplicifolius K. T. Ingram 1976-5-1 s.n. Riverside San Bernardino Mtns., Morongo Valley, 0.25 mi. south of intersection of Route 62 and Mission Creek Road. Comment
  CAS-BOT-BC353642  Psorothamnus emoryi Roxana S. Ferris 1918-6-15 998 Riverside Gruendike's Well on Mecca-Blythe Road Comment
  UCR16203  Psorothamnus emoryi Loretta Bates 1978-4-15 s.n. Riverside Sonoran (Colorado) Desert, Box Canyon Road, 8 mi. NE of Mecca. Comment
  UCSB11230  Psorothamnus emoryi Breedlove, Dennis 1961-9-11 Riverside 20 mi. W of Blythe 106 Comment
  UCSB28384  Psorothamnus emoryi Blakley, E. 1961-9-10 Riverside 20 miles west of Blythe at desert wash crossing of U.S. Highway 60-70 106 Comment
  UCR46613  Psorothamnus polydenius J. M. Stewart 1986-9-28 86- 23 Riverside Sonoran (Colorado) Desert, south side of Orocopia Mountains 829 Comment
  JOTR01071  Psorothamnus polydenius Cole, James E. 1941-5-22 769 Riverside Joshua Tree National Park. RUBY LEE MILL SITE 914 Comment
  CAS-BOT-BC340901  Psorothamnus schottii Cecil Hart 1926-2-1 s.n. Riverside Palm Springs Comment
  CAS-BOT-BC340911  Psorothamnus schottii E. E. Schellenger 1911-4-24 s.n. Riverside Colorado Desert. South of Palm Springs Comment
  SBBG29378  Psorothamnus schottii D. Myrick 1968-3-2 1800 Riverside Desert Hot Springs 304 Comment
  UCR16202  Psorothamnus schottii S. Nelson 1974-4-13 s.n. Riverside Western Colorado Desert, Deep Canyon, near gate to Deep Canyon Reserve 152 Comment
  UCR166543  Psorothamnus schottii Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10891 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  UCR89662  Psorothamnus schottii Bern Schwenn 1994-4-29 s.n. Riverside southern Mojave Desert, Joshua Tree National Monument, E side of Hexie Mtns., along Ruby Lee Well Road. 823 Comment
  UCR89663  Psorothamnus schottii Bern Schwenn 1994-4-30 s.n. Riverside southern Mojave Desert, Joshua Tree National Monument. E side of Hexie Mtns., along Ruby Lee Well Road, between paved Pinto Basin Road and the divide. 823 Comment
  RSA605773  Psorothamnus spinosus A. C. Sanders 1995-5-23 17119 Riverside Colorado Desert, Coachella Valley: alluvial fans below the Santa Rosa Mtns, near the mouth of Martinez Cyn., at end of 72nd Ave. 25 Comment
  CAS-BOT-BC421253  Pterostegia drymarioides Susan G. Stokes 1934-7-1 313 Riverside San Jacinto Mt. 1066 Comment
  RSA782525  Punica granatum A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38399 Riverside Southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 ) of intersection of I-15 and Lake St. 465 Comment
  UCR112801  Punica granatum A. C. Sanders 1997-5-1 20615 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
  SEINET3077228 Image available Purshia glandulosa Howard Scott Gentry 1985-5-22 23809 Riverside Pinyon Flats, Santa Rosa Mountains. 1219 Comment
  JEPS119494  Purshia tridentata Clark Cowan 1978-4-25 1259 Riverside San Bernardino National Forest. Pinon Flat Campground. Highway 74, 8.9 miles (14.2 km) E of junction Highway 74 and 371. Comment
  UCR264642  Quercus Mitch Provance 2012-4-27 412- 21 Riverside The Badlands, Mt. Davis, southwest of Beaumont, about 1 mi S of I-10 and SR-60 interchange, just E of Davis Mountain Dr. and S of Westward Ave. 799 Comment
  RSA649673  Quercus X acutidens R. E. Riefner Jr. 2000-6-10 20 -483 Riverside San Bernardino National Forest: Hwy. 74 near Pinyon Flats Campground 1220 Comment
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Apr 3 2011
  CAS-BOT-BC61825  Quercus agrifolia Earl W. Lathrop 1965-9-22 6029 Riverside 8 miles west of Murrieta Comment
  SD136833  Quercus berberidifolia Steve Boyd 1994-10-14 8399 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, San Mateo Canyon, along San Mateo Trail between north branch of Tenaja Trail & Fisherman's Camp, on mesic north-facing slope 427 Comment
  UC64103  Quercus berberidifolia H. M. Hall 1901-8-6 2644 Riverside Canyon of the San Jacinto River San Jacinto Mountains 1066 Comment
  SD229169  Quercus chrysolepis Dick Schwenkmeyer 2012-3-26 684 Riverside Mt. San Jacinto area: Lake Hemet (site #4), Highway 74, sloping hillside 1317 Comment
  UC5521  Quercus chrysolepis H. M. Hall Jul 1901 Riverside s side San Jacinto Mountains (base of Tahquitz trail) 1828 Comment
  UC5522  Quercus chrysolepis H. M. Hall Jul 1901 2524 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1828 Comment
  JEPS37321  Quercus cornelius-mulleri W. L. Jepson 1914-5-18 6001 Riverside n of Indio (canyon at Pinyon Well); Mohave Desert, Pinyon Well Comment
  RSA477112  Quercus cornelius-mulleri J. C. Roos 1965-9-26 s.n. Riverside Pinyon Flats, Santa Rosa Mts. Comment
  UC63841  Quercus cornelius-mulleri H. M. Hall May 1901 1915 Riverside VanDeventer's, e base of San Jacinto Mts., along borders of the Colorado Desert Colorado Desert, San Jacinto Mts. Comment
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Oct 23 2009
  UCR94071  Quercus cornelius-mulleri Scott D. White, D. Haselfeld 1996-7-2 4258 Riverside San Jacinto/Santa Rosa Mtns, Pinyon Flat area, north of Hwy 74, c. 10 road mi east of junction with Hwy 371, west-facing slope of Sugarloaf Mountain and adjacent valley 1402 Comment
  SD146253  Quercus douglasii A. C. Sanders, P. J. MacKay, T. Thomas, O. F. Clarke 1997-4-13 20436 Riverside San Joaquin Valley, San Emigdio Ranch, slopes south of San Emigdio Creek, just above confluence with Doc Williams Canyon, on north-facing slope; Eagle Rest Peak 7.5' quad. 915 Comment
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Jul 23 2019
  CAS-BOT-BC86549  Quercus dumosa John Thomas Howell 1927-8-2 2937 Riverside near top of control on road to Hemet, Mt. San Jacinto 1371 Comment
  SEINET2066423 Image available Quercus dumosa B. Pitzer, Jack Easton 1987-3-10 412 Riverside Anza Area, hills S of Thomas Mtn., ca. 3 miles E of town of Anza on N side of Hwy 371, Butterfly Peak Quad. 1341 Comment
  UCR2937  Quercus engelmannii Wm. Horn Jr. 1963-4-20 630420- 2 Riverside Santa Ana Mtns., [Santa Rosa Plateau, on Tenaja Road west of] Murrieta, 100 yards west of dirt road to Tenaja Ranger Station, 4.8 miles west of Santa Rosa Ranch gate. 305 Comment
  UCSB1180  Quercus kelloggii Wilson, Richard 1958-5-17 Riverside 15 miles SE of Banning on State 74 1524 Comment
  POM262901  Quercus palmeri J. C. Roos 1941-5-9 120 Riverside Near summit of Pines to Palms Road Comment
  SD146252  Quercus palmeri A. C. Sanders, Mitch Provance 1998-5-14 21848 Riverside Jurupa Mountains, Rattlesnake Mountain, Crestmore, above watertank west of Cedar Ave., above intersection of Andalusia & Malaga Streets, NW-facing slope of hill, on ridgetop between rock outcrops & cliffs; Fontana 7.5' quad. 366 Comment
  POM183874  Quercus turbinella P. A. Munz 1932-10-16 12845 Riverside Road from Deep Canyon to Vanderventer Flat, Santa Rosa Mts. 1067 Comment
  RSA477128  Quercus turbinella Julian P. Donahue 1984-10-6 90405 Riverside Pinyon Crest, Pinyon Flat, between San Jacinto & Santa Rosa Mts. 1250 Comment
  RSA489833  Quercus turbinella D. Charlton 1988-5-28 2128 Riverside Santa Rosa Mts. S of Hwy. 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp Area. 2287 Comment
  SD229181  Quercus turbinella Dick Schwenkmeyer 2012-5-22 715 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  SEINET273103  Rafinesquia californica G. K. Helmkamp, A. C. Sanders 1997-3-15 1486 Riverside Skinner Lake 488 Comment
  UC217944  Rafinesquia neomexicana P. A. Munz, D. Keck Apr 9 1922-Apr 12 1922 4884 Riverside vicinity Corn Springs (Colorado Desert, Chuckwalla Mountains, Southern California); Colorado Desert, Chuckwalla Mountains 609 Comment
  POM268409  Ranunculus californicus Lyman Benson 1932-3-26 3164 Riverside 3 miles N [of] Temecula. 457 Comment
  POM296  Ranunculus cymbalaria var. saximontanus I. M. Johnston 1917-6-9 1219 Riverside Santa Ana River near Corona Comment
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Nov 20 2011
  RSA0030881  Ranunculus cymbalaria var. saximontanus Ira W. Clokey, E. G. Anderson 1935-8-21 6627 Riverside Hemet. 1030 Comment
  UCR23232  Raphanus sativus Melody Lardner 1981-5-19 184 Riverside Santa Ana Mtns, Main Street Canyon, 3.5 mi. south of Hwy 91 at the end of Main Street. 427 Comment
  RSA524456  Rhamnus crocea Steve Boyd, Tim S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4075 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
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Nov 5 2011
  UCR97494  Rhamnus crocea A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19877 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  SBBG100270  Rhamnus ilicifolia W. L. Halvorson 1977-4-1 77 -221 Riverside 5 mi S of Temecula on Hwy S16 Comment
  CAS-BOT-BC168026  Rhus aromatica A. C. Sanders; Mark Elvin; Julie M. Vanderwier 2002-4-22 25014 Riverside The Badlands: Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 549 Comment
  SD146054  Rhus ovata Mitch Provance 1998-6-6 688 B Riverside Jurupa Mountains: Jensen Quarry, Sunnyside area on west side of Sierra Blvd., just east of corner of 29th St. and Scenic Drive. 305 Comment
  RSA96230  Rhus ovata E. K. Balls 1954-3-29 18951 Riverside 0.5 mi. form Corona-Elsinore Hwy on S side of road to Glen Ivy Resort, Temescal Canyon. Comment
  JEPS66273  Rhus trilobata W. L. Jepson 1928-4-25 12571 a Riverside Cottonwood Spring; Colorado Desert 731 Comment
  CLARK-A1528-119  Rhus trilobata var. anisophylla C. M. Flanagan 1973-5-31 OO 625 Riverside Morongo Indian Reservation 975 Comment
  RSA403694  Rhus trilobata var. anisophylla M. B. Dunkle 1935-3-31 4441 Riverside Cottonwood Springs. Colorado Desert 701 Comment
  CAS-BOT-BC108722  Ribes cereum H. M. Hall 1901-7-1 2353 Riverside San Jacinto Mountains. Tauquitz Valley. 2438 Comment
  SEINET238554 Image available Ribes cereum var. cereum George K. Helmkamp 1998-6-27 4127 Riverside Santa Rosa Mtns.: 9 mi SE of Hwy 74 along Santa Rosa Mtn Rd. in vicinity of Santa Rosa Spring. 2232 Comment
  RSA594789  Ribes indecorum D. L. Banks, Dylan Hannon 1996-5-3 0985 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along a mesic E facing slope, approximately 300 m SE of the Helipad at the upper camp sites 534 Comment
  UCR125763  Ribes indecorum A. C. Sanders, Lowell J. Bean, Pesach Lubinsky, et al 2003-1-10 25660 Riverside San Jacinto Mountains, Bautista Canyon, at road crossing of creek c. 1 mile above Alessandro Trail 930 Comment
  UCR278098  Ribes indecorum A. C. Sanders, Amy Litt, Yi Huang 2017-2-1 42672 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, along Tenaja Rd. at north foot of Redonda Mesa, 0.65 km west of intersection with Corona Calle Camino 680 Comment
  UCR16472  Ribes malvaceum I. G. Rauch 1968-2-15 s.n. Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon 488 Comment
  UCR3499  Ricinus communis Frances Miller 1964-5-5 M 6429 Riverside just above RR tracks at base of Box Springs Mtns, end of Big Springs Rd. 396 Comment
  UCR4163  Ricinus communis R. H. Sauer 1965-4-30 s.n. Riverside Peninsular Range, Intersection of Chase Drive and Skyline Drive, 3.5 mi SW of Corona 244 Comment
  UCR172277  Robinia pseudoacacia John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County, along Briggs Road between Porth Road and Los Alamos Road 402 Comment
  POM315  Romneya coulteri I. M. Johnston 1918-5-30 2012 Riverside Temescal Canyon 366 Comment
  UCR111761  Rorippa nasturtium-aquaticum S. J. Myers, C. McGaugh 1996-5-17 s.n. Riverside Santa Ana River Valley, Corona, River Road bridge over the Santa Ana River 165 Comment
  RSA449716  Rosa californica M. B. Dunkle 1933-7-20 3705 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  POM204505  Rumex acetosella M. French Gilman 1934-7-8 s.n. Riverside San Jacinto Mountains 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
  UCR128074  Rumex dentatus A. C. Sanders, K. C. Rose 1999-6-18 22829 Riverside Domenigoni Valley, upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, south of Winchester 433 Comment
  UCR260198  Rumex hymenosepalus Duncan S. Bell, Kim Clark, Keir Morse, Harry Spilman 2013-3-30 4658 Riverside Western Mojave Desert, around the confluence of the San Gorgonio and Whitewater River drainages, just south of the historic Palm Springs Station, about 1.5 air miles northwest of Windy Point 340 Comment
  UCR116591  Rumex obtusifolius A. C. Sanders, T. B. Salvato 2001-5-24 24368 Riverside Perris-Aguanga Basin, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. [Calle] Pina Colada 345 Comment
  RSA653331  Rumex pulcher Mitch Provance 2000-4-8 2217 Riverside Jurupa Mountains: Belltown, SW side of Market St. (Crestmore Road) at Bell Ave. 79 Comment
  RSA802421  Rumex salicifolius Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5018 Riverside Strawberry Creek to the southwest of Strawberry Valley, about 2.4 air miles southwest of Idyllwild. 1534 Comment
  UCR151035  Rumex salicifolius Scott D. White 1998-7-31 6930 Riverside San Jacinto Mts., Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park 1951 Comment
  UC850618  Rumex salicifolius var. salicifolius I. W. Clokey and E. G. Anderson 1936-8-21 6601 Riverside Fuller Creek 1500 Comment
  RSA605752  Sagina apetala A. C. Sanders, G. K. Helmkamp 1996-3-17 17995 Riverside Cathedral City, Cathedral Plaza, Hwy 111 at Date Palm Dr. 91 Comment
  CAS-BOT-BC445714  Sagittaria latifolia A. C. Sanders; Mitch Provance; T. B. Salvato 2000-10-5 23720 Riverside Santa Ana River Valley: Hidden Valley Wildlife Area, ca. 1/2 mile west of the park office (nature center), near Riverside between La Sierra and Norco. 191 Comment
  RSA653321  Sagittaria latifolia A. C. Sanders, Mitch Provance, T. B. Salvato 2000-10-5 23720 Riverside Santa Ana River Valley: Hidden Valley Wildlife Area, about 1/2 mile west of the park office (nature center), near Riverside between La Sierra & Norco. 191 Comment
  RSA401571B  Salazaria mexicana Jeannette B. Edge 1934-3-30 s.n. Riverside Morongo Valley. 762 Comment
  RSA701156  Salazaria mexicana Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11258 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  JEPS59851  Salicornia subterminalis S. B. Parish 1897-6-18 4463 Riverside Menifee Comment
  SD229272  Salix exigua Dick Schwenkmeyer 2012-5-22 719 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  SD229273  Salix exigua Dick Schwenkmeyer, Tony Harper - Collector 2013-5-8 894 Riverside Agua Bonita Spring, Palm Canyon, approx. 8 Mi. S. of Catherdral City 883 Comment
  POM361012  Salix gooddingii Philip A. Munz 1932-3-24 12032 Riverside North of Elsinore 305 Comment
  RSA0030853  Salix gooddingii Ivan M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. 457 Comment
  SEINET10539065  Salix gooddingii David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-13 Dunn 3742 Riverside Found growing in a wash. Indio hills, colorado desert. Near pushawalla. Comment
  RSA613315  Salix laevigata D. L. Banks 1997-3-1 1380 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  CSUSB919  Salix lasiandra Oscar F. Clarke, M. Alexander 1971-3-31 Riverside Santa Ana River Santa Ana River bottom, in (city of) Riverside. Union Pacific Bridge. Comment
  POM319099  Salix lasiolepis Patricia Wilder 1970-10-30 4830 Riverside Road on south side of Prado Flood Control Basin on east side of Prado Dam. About 1/2 mile east of dam tender's residence. Santa Ana River Drainage Area. 152 Comment
  CAS-BOT-BC126319  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
  CDA1356  Salsola australis R. E. Riefner Jr. 2007-2-19 Jul- 69 Riverside Hemet; Florida Ave (Hwy 74) .25 mi N of Warren Rd. at MWD Right of Way 0 Comment
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Nov 27 2013
  CDA3180  Salsola australis R. E. Riefner Jr. 2007-2-19 Jul- 72 Riverside City of Perris, along Highway 74 at 4th Street and B Street. Comment
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Nov 27 2013
  RSA0095102  Saltugilia australis Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3877 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  RSA469683  Saltugilia splendens N. C. Cooper 1949-6-29 4353 Riverside San Jacinto Mountains: Above Banning. 1220 Comment
  UCSB31640  Saltugilia splendens Griesel, Wesley 1962-6-29 Riverside Dark Canyon, San Jacinto Mountains 1920 Comment
  GMDRC6581  Salvia apiana J. M. Andre 2012-6-15 30543 Riverside San Jacinto Mountains: west slopes of range along Poppet Flat Rd, Poppet Creek canyon, 3.2 mi. west of Hwy 243 1022 Comment
  RSA0019791  Salvia apiana April Garbat, Kristin Forgrave, Naomi S. Fraga, Tyler Schappe 2013-5-21 72 Riverside Canyon west of San Bernardino National Forest boundary (San Jacinto Ranger District), north over edge from road from Cranston Fire Facility (off Highway 74, aka Florida Ave). Orange Grove Canyon. 618 Comment
  SD229199  Salvia apiana Dick Schwenkmeyer, Tony Harper - Collector 2013-5-8 897 Riverside Agua Bonita Spring, Palm Canyon, approx. 8 Mi. S. of Catherdral City 883 Comment
  SD229200  Salvia apiana Dick Schwenkmeyer, Bethany Jenkins 2012-3-7 632 Riverside Mt. San Jacinto 1085 Comment
  UCR268587  Salvia apiana Jim Andre 2012-6-15 30543 Riverside San Jacinto Mountains, west slopes of range along Poppet Flat Road, Poppet Creek canyon, 3.2 miles west of Hwy 243 1022 Comment
  RSA4136  Salvia carduacea M. Alice King 1893-1 s.n. Riverside Menifee. Comment
  RSA0117835  Salvia columbariae Sarah J. J. De Groot, Thomas Stoughton 2016-4-19 7806 Riverside Santa Rosa Mountains: Along Dunn Road between Haystack and Asbestos Mountains, east of Potrero Spring, near head of Dead Indian Creek. Southwest of Palm Desert and north of Highway 74 and Alpine Village. 1235 Comment
  RSA357776  Salvia columbariae Robert F. Thorne, M. Z. Thorne 1973-3-30 42657 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  RSA401480  Salvia columbariae E. A. McGregor 1964-3-24 s.n. Riverside Near Desert Center, Hwy 60 Comment
  RSA401488A  Salvia columbariae Ora M. Clark 1929-2-24 1521 Riverside Cabazon, Colorado Desert. Comment
  UCR100097  Salvia columbariae R. G. Swinney 1967-3-5 0057 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 381 Comment
  UCR145077  Salvia columbariae A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27907 Riverside Peninsular Range, Alberhill Mountain, old clay mining area 424 Comment
  UCR274293  Salvia columbariae T. B. Salvato, Gregg Miller 2005-6-7 1445 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 Comment
  UCR279595  Salvia columbariae A. C. Sanders, Jim Malusa 2017-3-28 43162 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
  UC279683  Salvia greatae Edmund C. Jaeger 1926-2-28 Riverside 18 mi se Mecca; Salt Creek Wash Comment
  CHSC26489  Salvia mellifera James Henrickson 1970-4-10 4529 Riverside 8 air miles ESE of Temecula along Hwy. 71-19. 542 Comment
  SD212655  Salvia mellifera Jennifer H. Jones 2006-6-6 384 Riverside Cleveland National Forest alonb CA Highway 74; San Juan Loop Trail head. 598 Comment
  UCR155322  Salvia mellifera A. C. Sanders, Mike Misenhelter 2005-3-23 29250 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR172792  Salvia mellifera Wayne Law, Jun Hu 2000-5-16 14 Riverside Peninsular Ranges; Santa Ana Mtns., Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi south of Corona 396 Comment
  UCR262270  Salvia mellifera A. C. Sanders 2006-5-13 32275 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UC25683  Salvia pachyphylla H. M. Hall 1898-1 Riverside San Jacinto Mountains Comment
  RSA5254  Sambucus caerulea C. B. Wolf 1932-8-6 3991 Riverside Strawberry Valley, at base of Devil s slide Trail to Tahquitz Valley. Alt. 5600 ft. 1707 Comment
  UC219560  Sambucus mexicana P. A. Munz 1922-6-24 5791 Riverside Pipe Creek San Jacinto Mts., Hemet Valley 1402 Comment
  CAS-BOT-BC238853  Sambucus nigra subsp. caerulea A. C. Sanders; J. Goetzen 1996-5-1 18126 Riverside San Bernardino Mtns.: Morongo Indian Reservation, along dirt road in Hathaway Crk. Cyn., N of Banning 915 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
  HSC85419  Sanicula bipinnatifida Steve Boyd 1986-3-9 1397 Riverside Temescal Canyon, between Indian Truck Trail and Horsethief Wash 366 Comment
  UCR89491  Sanicula tuberosa Steve Boyd, T. Ross 1993-3-23 7908 Riverside Peninsular Range, Palomar Range south of Vail Lake at the N base of Agua Tibia Mtn. 735 Comment
  RSA97373  Sanicula tuberosa F. W. Peirson 1922-4-29 4053 Riverside Leach Canyon, near Lake Elsinore, Santa Ana Mts. 610 Comment
  HSC86140  Sarcodes sanguinea B. Freeman 1969-6-12 6906121 Riverside San Jacinto Mtns. University of California James Reserve. Near stream S of lodge Comment
  VVC691  Sarcostemma cynanchoides P. J. MacKay, T. Thomas 1997-2-8 105 Riverside Sonoran Desert, Palm Springs, Murray Canyon; at edge of creek btw palm groves 243 Comment
  UCR131798  Sarcostemma cynanchoides subsp. hartwegii Mitch Provance 1998-6-24 755 Riverside Jurupa Mountains, 'Rattlesnake Mt.', c. 0.5 km east of corner of Rorimer Dr. and Brenton St., on the E side of Armstrong Rd., in the Sunnyside area of Riverside. 366 Comment
  SEINET206448  Sarcostemma hirtellum Rimo Bacigalupi, Roxana S. Ferris 1958-3-21 6253 Riverside Herbage exuding alliaceous odor. Twining about in a clump of Hilaria rigida in a small wash from the west slope ofthe Big Maria Mts. near the roas to Midland, about 13 miles north of Blythe, elev. 860 ft. 262 Comment
  RSA206496  Saxifraga californica E. W. Lathrop 1969-5-8 7020 Riverside Los Alamos Canyon 1/2 mile E of San Mateo Canyon, Cleveland National Forest, Trabuco district. 518 Comment
  CAS-BOT-BC243460  Schismus barbatus H. S. Yates 1937-3-23 6415 Riverside Near White Water 304 Comment
  JOTR34403  Schismus barbatus Andre, Jim 2012-4-16 20939 Riverside Joshua Tree National Park. Along Geotour Road, at north end of one-way loop in Pleasant Valley at foot (south end) of Hexie Mountains, 6.7 mi. south of National Park Loop Rd. 989 Comment
  UCR182513  Schoenoplectus Mitch Provance 2005-5-17 6597 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  UCR264629  Schoenoplectus americanus Mitch Provance 2012-6-19 196- 07 Riverside San Bernardino Valley, Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave 226 Comment
  RSA289862  Schoenoplectus maritimus B. A. Prigge 1980-12-15 4114 Riverside Whitewater Marsh: 4 miles S of Mecca. -70 Comment
  RSA802250  Scirpus microcarpus Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4996 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  UCR101550  Scrophularia californica A. C. Sanders 1997-3-19 20053 Riverside Lake Skinner area, NE of Bachelor Mtn., small canyon below dry falls, north of dirt track off road from Rawson Cyn. 503 Comment
  UCR112308  Scrophularia californica A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23450 Riverside Menifee Valley, S of Newport Rd., north of Holland Rd. and east of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  RSA425199  Scrophularia californica subsp. floribunda Bonnie C. Templeton 1930-4-15 1480 Riverside North of Gavilan Peak. 550 Comment
  CAS-BOT-BC237865  Scrophulariaceae Elizabeth McClintock 1964-4-8 s.n. Riverside Snow Canyon, east side of Mt. San Jacinto Comment
  CAS-BOT-BC341095  Scutellaria mexicana A. C. Sanders; K. Rose 1995-4-5 16373 Riverside San Bernardino Mtns./Coachella Valley: alluvial slopes and foothills S of Mission Creek and W of Hwy 62 700 Comment
  POM47007  Scutellaria siphocampyloides Mary F. Spencer 1919-5-18 1194 Riverside Idyllwild, San Jacinto Mountains 1616 Comment
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Mar 21 2011
  UCSB26796  Scutellaria siphocampyloides Wilken, Dieter 1969-6-30 Riverside California State Highway 74; 0.5 miles west of Keen Camp Summit; San Jacinto Mtns Comment
  SEINET4065921  Selaginella bigelovii S. B. Parish 1907-1 6110 Riverside Collected from the western border of the Colorado desert. 200 Comment
  UC371116  Selaginella bigelovii Miss M. A. King 1893-1 Riverside Menifee Comment
  POM9818  Selaginella bigelovii Edmund C. Jaeger 1921-7-15 s.n. Riverside Massacre Canyon, 4 miles west of San Jacinto 548 Comment
  CAS-BOT-BC62080  Selaginella eremophila John Thomas Howell 1931-6-5 6650 A Riverside Palm Canyon Comment
  CAS-BOT-BC62081  Selaginella eremophila Edmund C. Jaeger 1922-3-18 s.n. Riverside Palm Springs Comment
  RSA613236  Selaginella watsonii Louis Cutter Wheeler 1931-10-3 241 Riverside 3/4 mi. NNE Tahquitz Peak, San Jacinto Mts. 2560 Comment
  RSA684101  Selaginella watsonii Joseph Andorfer Ewan 1930-9-1 314 Riverside Summit of San Jacinto Mountain. 3294 Comment
  UC831722  Senecio I. W. Clokey and E. G. Anderson 1935-8-21 6777 Riverside Keen Camp P.O. 1350 Comment
  RSA613403  Senecio californicus D. L. Banks 1997-4-5 1688 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
  UCR59500  Senecio californicus Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3236 Riverside Peninsular Range, Vail Lake area, sandy valley at NE end of lake, north of Wilson Creek 488 Comment
  SFV7916  Senna armata T. Gordon, K. A. Wilson, M. H. Grayum, G. Poseley 1976-4-30 1279 Riverside Along roadside at Chiriaco Summit. 521 Comment
  UCR269234  Senna artemisioides A. C. Sanders, T. B. Salvato, Cecile Shohet 2016-2-28 42000 Riverside Peninsular Range, along Hwy 79 c. 1 km east of Los Caballos Rd. and 1 km west of Pauba Rd. 401 Comment
  CAS-BOT-BC438202  Sesuvium verrucosum P. A. Munz; I. M. Johnston 1918-4-27 2165 Riverside Lake Elsinore Comment
  CAS-BOT-BC438212  Sesuvium verrucosum H. A. Dutton 1899-6-1 s.n. Riverside Elsinore Comment
  CLARK-A1528-1387  Sesuvium verrucosum John C. Roos 1937-5-10 2332 Riverside Lake Elsinore Comment
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Jun 24 2014
  CAS-BOT-BC243551  Setaria parviflora Samuel B. Parish 1897-5-29 4518 Riverside Wayside Waif, South Riverside Comment
  SEINET7072852  Sidalcea malviflora A. G. Vestal 1963-5-20 s.n. Riverside Long Valley Road at Tececula and at the junction with Route 395 (115). Coordinate datum: WGS84/NAD83. (33? deg. 30' 3" North Latitude, -117? deg. 9' 3" West Longitude, Coordinate datum: NAD27.). Comment
  UCR100823  Sidalcea malviflora G. R. Ballmer 1998-5-23 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, Massinger oak easement, Riverside Land Conservancy, north base of Redonda Mesa, close to Tenaja Rd. 671 Comment
  CAS-BOT-BC434391  Sidotheca trilobata James L. Reveal; Barbara Ertter 1976-6-30 4571 Riverside San Jacinto Mountains, 0.3 mile south of California Highway 74 on the road to Mile High Trap Club, this road junction 1 mile west of Mountain Center 1310 Comment
  OBI5736  Silene antirrhina Charlotte M. Wilder 2004-4-27 s.n. Riverside Wilder's canon, Jurupa Hills Comment
  POM10291  Silene antirrhina Charlotte M. Wilder 1905-4-19 30 Riverside Jurupa Hills, near Riverside. Comment
  UC1595599  Silene multinervia Steve Boyd, Tim Ross 1990-5-11 4628 Riverside e Dripping Springs campground (base of Agua Tibia Mtn, s of Hwy 79, Vail Lake area, Cleveland National Forest); Vail Lake Area, Cleveland National For, base Agua Tibia Mtn 548 Comment
  UCR116859  Silene multinervia A. C. Sanders, Steven R. Hill 2001-5-4 24130 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  CLARK-A1528-4907  Silene parishii var. viscida John C. Roos 1947-9-6 3744 Riverside San Jacinto Mountains Comment
  RSA0086984  Silene platyota Steve Boyd, C. Boyd, K. A. Boyd, Laurel Arnseth, R. Noyes 1988-5-28 2260 Riverside Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest. 1500 Comment
  UCR201999  Silene verecunda Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  HSC99156  Simmondsia chinensis Paul J. CaraDonna 2009-3-17 127 Riverside Cotton Wood Creek Campground area, Joshua Tree National Park. Comment
  OBI20929  Simmondsia chinensis P. C. Everett 1937-7-7 9524 Riverside N of Temecula-Agunaga Rd on road to Hemet 762 Comment
  UCR35178  Simmondsia chinensis Bill Rogers 1975-6-12 543 Riverside San Jacinto Mtns, SW foothills of mtns. Wilson Creek Canyon 762 Comment
  RSA691060  Sinapis arvensis Scott D. White, Michael Honer 2003-4-9 8976 Riverside Northeast corner of Devonshire Ave. and Warren Road, immediately southwest of Tres Cerritos. Former chicken farm. 473 Comment
  UCSB39322  Sisymbrium altissimum Jorgensen, Jan 1982-3-23 Riverside 3 kilometers up road to aerial tramway, Palm Springs 120 Comment