Search Results — 2000 specimen records retrieved (1895 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
  SEINET7048005  Abies concolor Steven R. Hill, Kate Kramer and family 2001-4-26 33472 Riverside San Jacinto Mountains, San Jacinto Wilderness, west of Palm Springs, trails south of visitor building at terminus of Palm Springs Aerial Tramway; vicinity of Long Meadow and higher ridges. Elevation about 8500 feet. Comment
  UCR63918  Abies concolor Frank C. Vasek 1976-7-4 760704- 01 Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1829 Comment
  SEINET10719539  Abies concolor var. lowiana Karen M. Meyer, Andrew Townesmith; Tracy Scott 2007-3-16 Meyer 18 Riverside San Bernardino National Forest. Mix between oak chaparral and pine forest. Next to Lake Fulmor, 17 mi. S on Hwy 243 (off I-10). 1632 Comment
  HSC16144  Abronia villosa J. J. Wagoner 1965-4-12 30 Riverside 8 mi. NE of Palm Springs in Whitewater Canyon Comment
  UC912300  Abronia villosa Margaret Stason 1927-3-12 Riverside Colorado Desert, Painted Canyon Comment
  UCR124857  Abronia villosa B. C. Templeton, I. W. Clokey 1930-4-9 1078 Riverside Sonoran (Colorado) Desert, North of Palm Springs 400 Comment
  SEINET11941850  Abronia villosa E. A. Purer 1935-1 6453 Riverside Near Palm Springs, W edge of Colorado Desert Comment
  RSA667026  Abronia villosa var. aurita A. C. Sanders, Mitch Provance 1999-9-26 23086 Riverside Lake Hemet, north shore at FS day use area 1323 Comment
  SD247456  Abronia villosa var. aurita A. C. Sanders, Nina Kidd, Jeff Crain 2015-3-31 41540 Riverside Peninsular Range: Eastern Foot of the Santa Ana Mountains: Temescal Canyon Road, SE of El Hermano Road junction (Lake Mathews 7.5'Q) 315 Comment
  UCR94253  Abronia villosa var. aurita Scott D. White 1996-4-14 3913 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
  RSA335000  Abutilon theophrasti Steve Boyd 1985-9-23 1189 Riverside 22851 DeProd Street: Boyd residence, Good Hope Valley area, west of Perris. 488 Comment
  HSC47323  Acacia greggii Richard Spjut 1978-5-17 5043 Riverside N face of Chuckawalla Mts., 2.7 mi. S of Desert Center. 335 Comment
  RSA1015  Acacia greggii var. arizonica J. T. Howell 1927-8-1 530 Riverside Morongo Pass, Northern Colorado Desert 457 Comment
  RSA750537  Acamptopappus sphaerocephalus Scott D. White, Justin M. Wood, Paul Kielhold 2009-4-21 12587 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
  JOTR30890  Achnatherum parishii La Doux, Tasha, E. Babich, N. Pietrasiak 2008-4-21 2095 Riverside Joshua Tree National Park. Little San Bernardino Mountains, north end of East Deception Canyon 1446 Comment
  UC39992  Achnatherum parishii H. M. Hall June 1901 Riverside Kenworthy San Jacinto Mountains 1371 Comment
Read comments
Mar 25 2011
  RSA741606  Achnatherum parishii subsp. parishii Scott D. White, Justin M. Wood 2008-6-16 12132 Riverside Fobes Ranch Road N of Quinn Flat 1390 Comment
  CAS-BOT-BC384724  Achyronychia cooperi Geo. B. Grant 1906-5-1 11 -6707 Riverside Collected on Colorado Desert at Palm Springs Comment
  UCR167389  Achyronychia cooperi John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  UCR246722  Acleisanthes longiflora Duncan S. Bell, John Anderson, Kim Clark, Keir Morse 2012-11-10 4353 Riverside Sonoran (Colorado) Desert, Big Maria Mountains: southeast section of range, approximately 0.6 air miles northwest of Palo Verde Dam 97 Comment
  CAS-BOT-BC213470  Acmispon argophyllus var. argophyllus H. M. Hall 1902-4-1 2899 Riverside Vicinity of Sage 762 Comment
  LA47816  Acmispon argophyllus var. argophyllus K. Watkins; Elizabeth McClintock 1937-4-9 sn Riverside Riverside-Hemet road near Winchester turnoff Comment
  RSA0123157  Acmispon maritimus var. brevivexillus Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8967 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
  SBBG51126  Acmispon micranthus N. R. Zabriskie, W. Zabriskie 1973-4-3 609 a Riverside top of Poorwill Cyn, Andreas Cyn area 426 Comment
  UC1951115  Acmispon nevadensis Scott D. White, Justin Wood 2009-5-21 12858 Riverside SAN JACINTO MOUNTAINS: Garner Valley, near abandoned duck ponds, S of Quinn Flat. USGS Idyllwild 7.5' Quad. Comment
  UCSB18876  Acmispon strigosus Winn, Will 1963-5-4 Riverside County Highway R-1, 13.3 miles N of Lake Fillmore Picnic area 853 Comment
  JOTR16557  Adenophyllum cooperi Baker, James K. & Baker, Ilisa T. 1966-6-26 s.n. Riverside Joshua Tree National Park. QUEEN VALLEY; NORTH SIDE MONUMENT ROAD 1341 Comment
  SBBG65794  Adenophyllum porophylloides Anstruther Davidson, S. B. Parish 1898-1 Riverside Palm Springs Comment
  UCR121304  Adenostoma fasciculatum A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 24995 Riverside Peninsular Range; San Jacinto Mtns. Region, The Badlands; summit of Mt. Eden, SW of Beaumont 717 Comment
  JEPS44821 Image available Adenostoma sparsifolium W. L. Jepson 1903-8-6 2284 Riverside San Jacinto Mt., Chalk Hill 1371 Comment
  UC12019  Adenostoma sparsifolium H. M. Hall July 1901 Riverside e. end Tahquitz Valley; San Jacinto Mts. 1828 Comment
  RSA687706  Adiantum capillus-veneris Albert J. Perkins 1916-4-18 s.n. Riverside Palm Canyon. Comment
Read comments
Dec 11 2016
  UCR13753  Adiantum capillus-veneris N. R. Zabriskie, W. M. Zabriskie 1971-11-27 466 Riverside Western Colorado Desert/ San Jacinto Mtns, c. 25' north of stream bank, & c. 200 yards below juncture w/ 'north canyon'; Andreas Canyon, E slope of mountains. 360 Comment
  SDSU13825  Adiantum jordanii W. Miller, C. Mosse 1972-8-9 Riverside About 1/2 way to river. Comment
  JEPS32114  Agnorhiza ovata Carl V. Meyer 1929-6-18 783 Riverside near Kenworthy (at edge of Hemet Valley); Hemet Valley Comment
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Mar 25 2011
  RSA0050594  Agrostis A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35658 Riverside May Valley, slopes west of Herkey Creek and north of Bonita Vista Rd., SSW of Fleming Ranch 1524 Comment
  UC53497  Agrostis exarata H. M. Hall 1897-8-20 854 Riverside Vicinity of Strawberry Valley San Jacinto Mountains 1615 Comment
  POM162492  Agrostis oregonensis Ralph Hoffmann 1929-9-5 s.n. Riverside Tahquitz Valley, San Jacinto Mountains. Comment
  UCD53294  Agrostis scabra August L. Hormay 1932-8-8 s.n. Riverside Tahquitz Valley. Comment
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Aug 13 2006
  UCR171136  Ailanthus altissima John F. Green 2005-5-17 s.n. Riverside Perris-Aguanga Basin, Markham Pit; Gravel pit on SE corner of Markham Street and Day Street, south of March Air Force Base 537 Comment
  UCR175070  Ailanthus altissima Teresa Nieto 2005-5-26 26 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  UCR79217  Alchemilla occidentalis Steve Boyd 1992-4-14 6815 Riverside Santa Ana Mtns., San Mateo Canyon Wilderness Area. Western edge of Oak Flats Area along Bluewater Tr. from Verdugo Tr. S to crest of ridge W side Bluewater Canyon 793 Comment
  UCR50718  Alhagi pseudalhagi Don Pendleton 1988-5-17 s.n. Riverside Eastern Colorado Desert, Blythe, in a lemon orchard on the mesa west of town Comment
  RSA469418  Aliciella latifolia Robert Gustafson 1980-4-3 1520 Riverside Orocopia Mountains, about 6 miles east of Mecca along Box Canyon Road, south of the road 305 Comment
  JOTR35090  Aliciella latifolia subsp. latifolia La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3541 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with metasedimentary rocks; exposed ridge with rocky outcrops Comment
  RSA696215  Allenrolfea occidentalis Anonymous s.n. Riverside Colorado Desert. Comment
  RSA462623  Allionia incarnata C. M. Dammers 1929-10-6 s.n. Riverside Cottonwood Springs. Comment
Read comments
Oct 9 2010
  UCR214123  Allium haematochiton A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37730 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  UCR101432  Allium peninsulare A. C. Sanders 1997-4-10 20334 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  UCR251342  Allium peninsulare S. J. Myers 2014-5-21 1053 Riverside Western Edge Sonoran (Colorado) Desert, side canyon ('Toutain Canyon') on east side of Whitewater Canyon 756 Comment
  RSA736646  Allium praecox Scott D. White, Justin M. Wood 2008-3-25 11772 Riverside Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  UCR31327  Allophyllum divaricatum A. C. Sanders, W. Rehlaender, N. M. Fellows 1983-6-28 3874 Riverside San Jacinto Mtns, Black Mountain, intersection of Forest Road 4S01 and the road to the lookout on the summit 2134 Comment
  UCR80806  Allophyllum gilioides Scott D. White 1993-5-29 1483 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1220 Comment
  UCR54451  Alnus rhombifolia A. C. Sanders, E. J. Lawlor 1988-10-22 8726 Riverside Santa Rosa Mtns, Pinyon Flats Area, along Horsethief Creek where the trail from the Dolomite Mine Crosses. 1100 Comment
  SFV7070  Amaranthus palmeri T. Gordon, K. A. Wilson, M. H. Grayum, K. Felt 1974-11-16 770 Riverside Blythe. Adjacent to small oxbow lake just north of Collis Mayflower County Park. 85 Comment
  UCR265477  Amaranthus palmeri Jordan Zylstra 2014-8-17 14028 Riverside Santa Rosa Mountains, vicinity of Pinyon Flat and head of Cactus Springs Trail, south of Hwy 74 1280 Comment
  RSA500136  Amaranthus retroflexus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3674 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  SEINET1076094 Image available Ambrosia acanthicarpa G. Helmkamp 1986-4-7 763 Riverside Canyon just E of and parallel to Highway 62; BLM land N of Indian Ave. 579 Comment
  SEINET269550 Image available Ambrosia acanthicarpa Scott D. White 1996-9-22 4532 Riverside Lakeview Mountains: north of Homeland along Juniper Flats Road about 1.2 road miles north of intersection with State h 472 Comment
  CAS-BOT-BC22610  Ambrosia dumosa Samuel B. Parish 1907-4-23 6092 Riverside Palm Springs, Colorado Desert Comment
  SBBG29419  Ambrosia dumosa D. Myrick 1968-3-4 1801 Riverside Desert Hot Springs 304 Comment
  SD233253  Ambrosia dumosa Aaron C. Sedgwick, Duncan Bell 2012-9-12 117 Riverside Mojave Desert; Southcentral Mojave Desert region: Rice Valley - Take Rice/Blythe Rd. south about 3 mi. from Hwy. 62, then head E on an unmarked BLM road. 235 Comment
  RSA450767  Ambrosia ilicifolia J. C. Roos 1958-3-15 s.n. Riverside 2.5 mi. SE of Desert Center, Chuckwalla Mts. Comment
  UC1523648  Ambrosia psilostachya Robert F. Thorne, Steve Boyd, and Earl Lathrop 1985-7-18 61194 Riverside along Cole Canyon; Santa Rosa Plateau 533 Comment
  UCR167870  Ambrosia pumila T. B. Salvato, Melissa Clemons 2005-6-2 1401 Riverside Peninsular Range; Temescal Valley, Gavilan Hills, c. 0.5 mi SE of Steele Peak, 4 miles SW of Perris, and 6 miles NNE of Lake Elsinore, NW of Hwy 74 610 Comment
  UC480979  Ambrosia salsola F. M. Reed 1917-5-19 3833 Riverside and vicinity Riverside (desert near White Water Station); Colorado Desert Comment
  UCR251670  Ambrosia salsola Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 767 Riverside Sonoran (Colorado) Desert, Mecca Hills, Shaver's Well, adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  SEINET10797878  Ambrosia salsola var. pentalepis David B. Dunn 1948-2-21 Dunn 3656 Riverside Found in wash. Pushawalla Canyon, Indio Hills of the Colorado Desert; west of Indio. Comment
  RSA787989  Amorpha californica var. californica Linda M. Prince, Duncan S. Bell 2009-6-17 571 Riverside Cleveland National Forest. Roadside. Comment
  CAS-BOT-BC177261  Amorpha fruticosa H. M. Hall 1900-5-15 s.n. Riverside Reche [Canon] Canyon 457 Comment
  CAS-BOT-BC177262  Amorpha fruticosa H. M. Hall 1901-6-1 2121 Riverside Eastern base, along the borders of the Colorado Desert Comment
  JEPS35490  Amorpha fruticosa W. L. Jepson May 17 1901-Jun 1 1901 1343 Riverside near VanDeventers (towards Palm Canyon) Comment
Read comments
Feb 24 2013
  RSA568712  Amorpha fruticosa Walter Wisura, Bart O'Brien, Lorrae Fuentes 1992-9-20 4831 Riverside Santa Rosa Mtns., 0.5 miles S of Hwy 74 along rd. to Toro Peak. Comment
  RSA575847  Amorpha fruticosa 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
  RSA91359  Amorpha fruticosa F. W. Peirson 1919-4-12 702 Riverside Palm Canyon, near Palm springs. Comment
  POM3931  Amsinckia intermedia I. M. Johnston 1918-5-30 876 Riverside Temecscal Canyon (near Lee Lake). 335 Comment
  UCR154827  Amsinckia intermedia A. C. Sanders, Mike Misenhelter 2005-3-23 29273 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  JEPS61106  Amsinckia menziesii var. menziesii W. L. Jepson 1939-4-17 19123 Riverside 2 mi s on Road to Temecula Corona Comment
  UC480653  Amsinckia menziesii var. menziesii Philip A. Munz 1927-5-20 10795 Riverside Murietta Hot Springs Comment
  UCR228852  Amsinckia retrorsa A. C. Sanders, T. B. Salvato 2011-3-28 38825 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, powerline corridor along McLaughlin Rd. west of Murrieta Rd., north of Sun City 439 Comment
  RSA522265  Amsinckia tessellata Steve Boyd, D. E. Bramlet, H. Spillman 1989-4-30 3512 Riverside Gavilan Hills, Harford Springs County Park on the N edge of the Gavilan Plateau, E of Gavilan Creek 610 Comment
  RSA292450  Amsinckia tessellata var. tessellata James Henrickson 1973-3-18 8601 Riverside 16 (air) miles east of Temecula, 2.9 miles east of Aguanga along Hwy 71. 823 Comment
  POM98948  Amsonia tomentosa var. tomentosa E. C. Jaeger 1926-3-24 s.n. Riverside Eagle Mountains. Comment
  RSA586309  Anagallis arvensis D. L. Banks, S. D. Boyd 1995-5-3 220 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UCR4122  Anagallis arvensis Ronald M. Cope 1965-4-13 s.n. Riverside City of Riverside, on corner of where Gage canal crosses Le Conte Drive 290 Comment
  RSA560372  Anagallis arvensis Steve Boyd 1992-4-14 6810 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of Oak Flats area along Bluewater Tributary from Verdugo Tributary S to crest of ridge W side Bluewater Canyon. 732 Comment
  UCR281795  Anemopsis californica Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-23 517- 108 Riverside Temescal Valley, South Corona, Warm Springs Dr. at intersection with Whitetail Dr., drainage likely associated with Anderson Canyon, adjacent to large swath of relict disturbed bottomland. 345 Comment
  UC1237988  Anisocoma acaulis John Weiler and Roy L. Taylor May 12 1961-May 15 1961 61120 Riverside 100 yds e of bridge over, (feeding Hemet Res. along Hwy 74) Hurkey Creek; Hemet Reservoir Comment
Read comments
Mar 24 2011
  UC1543180  Anisocoma acaulis Donald G. Nelson 1936-5-21 378 Riverside slopes just n of meadow in valley just e of, (e of Lake Hemet, n of Mt. Thomas) Hurkey Creek Camp; San Jacinto Mtns. Comment
  UCR111741  Anthemis cotula S. J. Myers 1996-5-30 s.n. Riverside Corona: River Road bridge over the Santa Ana River 159 Comment
  RSA708156  Anthriscus caucalis Scott D. White, Angelia Carey 2004-4-16 10189 Riverside Indian Creek and adjacent slopes. 549 Comment
  RSA500552  Antirrhinum coulterianum Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-6-4 3595 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  RSA503413  Antirrhinum coulterianum J. D. Olmsted 1962-5-10 3642 Riverside Crest between Sandia Creek and DeLuz Creek drainages. 259 Comment
  RSA0034830  Antirrhinum coulterianum J. C. Roos 1941-5-17 138 Riverside About 4 miles S.W. of March Field. Comment
  RSA678952  Antirrhinum nuttallianum Scott D. White, Michael Honer 2003-6-3 9462 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  CLARK-A1528-135  Apiastrum angustifolium Heather Johnston 1967-5-6 050667-1 Riverside Santa Ana Mountains 975 Comment
  POM128366  Apiastrum angustifolium Thos Craig 1927-4-23 203 Riverside Glen Ivy. Comment
  RSA673553  Apiastrum angustifolium Scott D. White, Tasha La Doux 2000-4-20 7683 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  RSA717461  Apiastrum angustifolium Scott D. White 2006-4-28 11317 Riverside Wildomar., east of the I-15 Freeway and north of Baxter Rd. South- and west-facing hillsides, minor ephemeral wash, and upper bajadas at bases of hills. 427 Comment
  UCR103917  Apiastrum angustifolium B. G. Pitzer 1997-4-11 3112 Riverside Lakeview Mtns, Pulsar View Road (dirt), at sharp turn in road c. 1 mi. (air) NE of Juniper Flat Road, and c. 3/4 -1 mi. by road from the base of the hills. C. 3/4 mi. (airline) SE of Mt. Rudolph (measured from BM 'Nelson') 610 Comment
  UCR107748  Apiastrum angustifolium D. L. Banks 1997-5-5 1993 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek. Along the S fork of Pechanga Creek 427 Comment
  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
  UC878883  Apocynum cannabinum C. Epling and Wm. Robison 1935-6-30 Riverside between Pine Flat Camp and Fuller's Mill (Mt. San Jacinto); Mt. San Jacinto Comment
  POM229794  Arabis perennans P. A. Munz 1937-5-30 15137 Riverside Santa Rosa Peak. 2409 Comment
  RSA66762  Arabis pulchra F. W. Peirson 1941-4-9 13077 Riverside Open desert among shrubs; Pinto Basin road at junction with road to Cottonwood Springs. Comment
  UCR120302  Araujia sericifera Mitch Provance 1997-7-3 1105 Riverside City of Riverside, N side Riverside Community College, just east of Magnolia Ave. 244 Comment
  RSA33525  Arceuthobium californicum N. C. Cooper 1943-9-11 923 Riverside San Jacinto Mountains, Below Idyllwild. 1372 Comment
  POM48870  Arceuthobium campylopodum Philip A. Munz, I. M. Johnston 1924-6-26 8705 Riverside Near Dark Canyon. 1524 Comment
  RSA629132  Arctostaphylos Jon E. Keeley 1992-7-16 16565 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA629144  Arctostaphylos Jon E. Keeley 1992-7-16 16636 Riverside Road to Santa Rosa Mountain (7S02), 2.5 km south of Highway 74. 1640 Comment
  RSA697538  Arctostaphylos bicolor J. Russell Bruff 1929-1-1 410 Riverside Roadside foot of Jackrabbit Grade. Comment
Read comments
Mar 20 2011
  RSA629375  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16860 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  RSA629379  Arctostaphylos glandulosa Jon E. Keeley 1992-4-17 15087 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  UCR277896  Arctostaphylos glandulosa A. C. Sanders, Amy Litt, Yi Huang 2017-2-1 42674 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
  RSA19996  Arctostaphylos glandulosa subsp. adamsii I. W. Clokey, E. G. Anderson 1935-4-16 6787 Riverside East of Hemet. 630 Comment
  GMDRC2054  Arctostaphylos glauca J. Andre 2006-4-26 6775 Riverside Little San Bernardino Mountains: Joshua Tree National Park: ridgetop, W. of upper Long Canyon, approx. 0.5 mi. S. radio tower and of NE corner (boundary) of park Near 34.06663 deg. N 116.44661 deg. W. Elev. 4347 ft. 1325 Comment
  POM367315  Arctostaphylos glauca N. C. Cooper 1943-9-11 899 Riverside San Jacinto Mtns. Eastern slope at roadside 1220 Comment
  POM367319  Arctostaphylos glauca Richard C. Barkelew, Mark Morris 1929-3-10 s.n. Riverside Indian Canyon , San Jacinto Mts Comment
  POM49844  Arctostaphylos glauca P. A. Munz, I. M. Johnston 1924-7-29 8877 Riverside Poppet Flat, San Jacinto Mts. 1524 Comment
  RSA631764  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15070 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  SBBG60016  Arctostaphylos glauca C. B. Wolf 1932-5-25 3695 Riverside 0.5 mi SW of summit of Moreno Grade, bad lands, SW of Beaumont 609 Comment
  RSA633569  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16673 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA633624  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16698 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633634  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20139 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633642  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21763 Riverside Dirt road to Santa Rosa Mountain, 8.6 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1940 Comment
  RSA633681  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21773 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 Comment
  RSA633691  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16660 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  RSA633705  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16679 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  LA42227  Arctostaphylos patula Harlan Lewis; 1939-10-21 1011 Riverside 1523 Comment
  RSA635304  Arctostaphylos patula Jon E. Keeley, Rx Rothrock 1992-11-11 22536 Riverside Saddle Junction, ca. 2 km northeast of Humber Park, Idyllwild, San Jacinto Mtns. 2400 Comment
  CLARK-A1528-449  Arctostaphylos pringlei subsp. drupacea Kim Mortensen 1969-5-10 24 Riverside San Jacinto Mountains Comment
  RSA635650  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-16 16647 Riverside Road to Santa Rosa Mountain (7S02), 7.5 km south of Highway 74. 1860 Comment
  UCD53745  Arctostaphylos pungens Richard Bates 1949-5-21 s.n. Riverside Along rail to Tahquitz Peak; San Jacinto Mtns. Comment
  RSA636184  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19534 Riverside West of Temecula, off Carancho Rd., 2.3 km west of Via Volcano, eastern Santa Margarita Mtns. 430 Comment
  SD137811  Arenaria douglasii Darin L. Banks, Steve Boyd 1995-5-3 291 Riverside Cleveland national Forest, Agua Tibia Wilderness Area; north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area. 509 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
  UCR16458  Argemone munita John Dean 1965-5-6 s.n. Riverside Sonoran (Colorado) Desert, 2 miles west of Hayfield turnoff on Hwy 60 [= modern I-10] 396 Comment
  UCR41215  Argemone munita N. M. Fellows, A. C. Sanders 1985-4-9 136 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  RSA736796  Argemone munita subsp. munita Scott D. White, Angelia Carey 2004-7-2 10568 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  RSA221051  Argemone munita subsp. robusta E. W. Lathrop 1966-5-8 6403 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  RSA0042446  Argythamnia claryana Deidre Conocchioli, Duncan S. Bell 2014-3-4 148 Riverside 1.3 miles down dirt BLM road from paved 58th Avenue; 4WD road south of Lake Cahuila and La Quinta. Just northeast of mouth of Devil Canyon, east side of Santa Rosa Mountains, west edge of Coachella Valley 37 Comment
  RSA0062478  Aristida adscensionis A. C. Sanders, T. B. Salvato 2012-10-12 40415 Riverside Chuckwalla Valley, along Chuckwalla Valley Rd., 0.35 mi. west of I-10 junction. 114 Comment
  RSA777634  Aristida adscensionis Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 771 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  UCR148295  Aristida adscensionis 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
  RSA0130722  Aristida adscensionis G. Rink 2013-3-19 11887 Riverside About twelve miles west of Blythe, at the site of the proposed Quartzite solar power plant. 105 Comment
  UCR242717  Aristida californica A. C. Sanders, T. B. Salvato 2012-10-12 40440 Riverside Sonoran (Colorado) Desert, Palo Verde Mesa, along Bradshaw Trail c. 2 miles west of 30th Ave. at Ludy Blvd./ canal crossing 114 Comment
  UCR175235  Aristida californica var. californica Jim Andre, T. La Doux 2006-4-11 6739 Riverside S Mojave Desert, Pinto Basin: c. 1 mi N of Pinto Basin Rd. (paved), in the Sand Hill area 527 Comment
  SEINET244313 Image available Aristida hamulosa A. C. Sanders, T. B. Salvato 2001-5-16 24301 Riverside Perris-Aguanga Basin; S of Hemet, 1/4 mi. S of Gibbel Rd. about 1 mi E of State St., foothills forming east end of Diamond Valley, 1 mi SSE of Hemet Butte, S of mouth of Avery Cyn. 518 Comment
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Jul 14 2014
  UCR188224  Aristida purpurea Naomi Fraga, LeRoy Gross, B. Hogshead 2006-6-12 1704 Riverside Peninsular Ranges; San Jacinto Moutnains region: Along FS road west and paralleling Morris Ranch Road. c. 0.2 miles SW of the FS roads junction with Morris Ranch Road. NE of Garner Valley 1616 Comment
  CAS-BOT-BC137530  Aristida purpurea var. nealleyi Peter H. Raven 1958-5-18 12986 Riverside Pinon Flats, San Jacinto Mountains. Comment
  UCR215598  Aristida purpurea var. wrightii Tasha La Doux, Jim Andre 2008-9-16 345 Riverside Mojave Desert, Joshua Tree National Park, southeast end of Splitrock Picnic Area 1290 Comment
  RSA655605  Artemisia annua O. F. Clarke 1998-9-22 s.n. Riverside Box Springs Mtns. foothills, weed in the yard at 266 Frost Court, just east of UCR 396 Comment
  CAS-BOT-BC90106  Artemisia arbuscula subsp. arbuscula Louis B. Ziegler 1964-8-15 s.n. Riverside on an area of about 10 acres about 1 1/2 miles north of Kenworthy Ranger Station, Garner Valley, San Jacinto Mts. 1615 Comment
  RSA588809  Artemisia douglasiana Darin L. Banks, Steve Boyd 1995-10-17 0762 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  UCR138553  Artemisia douglasiana Steve Boyd, D. E. Bramlet 1988-10-8 2883 Riverside San Jacinto Mtns. area, Cahuilla Mountain, SW of Anza at head of Bautista Canyon, along the crest of the mountain 1707 Comment
  JEPS49055  Artemisia ludoviciana subsp. albula Lewis S. Rose 1966-12-14 66106 Riverside 3 mi. w. Palm Springs; Chino Canyon 670 Comment
  LA202957  Artemisia tridentata subsp. tridentata Elizabeth McClintock; L. Erickson 1937-11-6 sn Riverside near Lake Hemet, Palms to Pines Highway Comment
  SEINET5539637  Artemisia tridentata var. angustifolia H. S. Gentry 1954-1 14251 Riverside Dripping Springs, along Route 79. Comment
  RSA682325  Artemisia vulgaris O. F. Clarke 2000-12-9 s.n. Riverside Riverside: in yard of O.F. Clarke residence at 266 Frost Court. 360 Comment
  SEINET10513658  Arundo donax David B. Dunn 1947-2-9 Dunn 2851 Riverside Pushawall canyon. Indio hills. By lower part of stream. Comment
  POM3649  Asclepias californica I. M. Johnston 1918-5-30 s.n. Riverside Temescal Canyon 365 Comment
  RSA401649A  Asclepias californica J. Ewan 1929-6-16 s.n. Riverside Gravelly soil above stream Bear Trap Canyon. NW of Idyllwild. 1646 Comment
  UCR17948  Asclepias californica K. Stolte 1978-5-28 s.n. Riverside peninsular Range/Agua Tibia Mtns. Region, Along Hwy 79, at entrance to Dripping Springs Camp Comment
  UC111250  Asclepias fascicularis H. M. Hall 1897-6-19 666 Riverside Kenworthy San Jacinto Mt. 1371 Comment
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Mar 25 2011
  UCR4504  Asclepias fascicularis John Dean 1965-7-28 s.n. Riverside Eastern Colorado Desert, 10 mi. north of Blythe on US Hwy 95 Comment
  SEINET10637411  Asclepias subulata Mckelvey 1935-12-24 MCKELVEY 5045 Riverside Foothills of the mountains about La Quinta Comment
  SEINET10837266  Asclepias subulata Billy Joe Cox 1975-10-10 Cox 4213 Riverside Palo Verde, 1-3 km W, (ca. 32 km S of Blythe); creosote desert scrub, sandy and gravelly entisols 70 Comment
  SD241649  Asparagus asparagoides A. C. Sanders 2010-5-29 38428 Riverside Riverside, yard at 5081 Magnolia Ave; at corner of Chapman Place (Riverside West 7.5'Q) 257 Comment
  UC371109  Aspidotis californica Miss M. A. King 1892-1 Riverside Menifee Comment
  UCR125297  Aster subulatus A. C. Sanders 2002-11-21 25631 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 457 Comment
  RSA764524  Aster subulatus var. ligulatus Justin M. Wood 2010-9-8 2603 Riverside San Timoteo Canyon: Just SE of El Casco Substation along San Timoteo Creek. 640 Comment
  UCR170098  Astragalus aridus John F. Green, Nathan Moorhatch 2005-4-26 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Indio, south of Indio Blvd., between Burr St. and Ave. 42, within sight of I-10 12 Comment
  SEINET5325493  Astragalus aridus E. K. Balls 1949-4-2 12906 Riverside Near Durmid by the Salton Sea on Hwy 111, Colorado Desert 67 Comment
  RSA0104416  Astragalus coccineus Duncan S. Bell 2015-2-6 7737 Riverside Santa Rosa Mountains; along Cactus Spring Trail, where the trail crosses Horsethief Creek. 1054 Comment
  SEINET948217  Astragalus didymocarpus var. didymocarpus Steve Boyd 1986-1 1620 Riverside Gavilan Plateu, Gavilan Hills: Harford Springs County Park 610 Comment
  HSC104185  Astragalus douglasii A. C. Sanders, T. B. Salvato 2014-7-2 41162 Riverside San Jacinto Mtns.: Forbes Canyon, ~0.5 mi. S of Forbes Ranch along Forbes Ranch Rd. 1555 Comment
  VVC2870  Astragalus douglasii var. douglasii Tim Thomas, P. J. MacKay 2010-4-12 5022 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  UC63673  Astragalus douglasii var. parishii H. M. Hall June 1901 2229 Riverside in the vicinity Strawberry Valley (San Jacinto Mountains); , vicin Strawberry Valley 1584 Comment
  CAS-BOT-BC182947  Astragalus filipes Philip A. Munz 1937-5-31 15125 Riverside Kenworthy, San Jacinto Mts. 1371 Comment
  SD43742  Astragalus insularis var. harwoodii Darley F. Howe 1949-3-21 1973 Riverside 3.0 miles west of Blythe. Comment
  CAS-BOT-BC187114  Astragalus lentiginosus var. borreganus F. H. Billings 1926-1-20 25 Riverside Indio Comment
  UCR161729  Astragalus lentiginosus var. coachellae Mark A. Elvin 2005-4-26 4226 Riverside Northern Sonoran (Colorado) Desert, Coachella Valley; east of Flat Top Mtn 152 Comment
  JOTR33873  Astragalus lentiginosus var. variabilis La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3055 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; sandy fans leading to Pinto Wash 357 Comment
  RSA662070  Astragalus nuttallianus J. C. Roos 1958-3-15 s.n. Riverside 3 miles SE of Desert Center, Chuckwalla Mtns. Comment
  RSA286101  Astragalus palmeri John F. Emmel 1980-5-8 707 Riverside N end of Santa Rosa Mts; S base of Sugarloaf Mtn., at SE end of Pinyon Flat. 1235 Comment
  CAS-BOT-BC194175  Astragalus pomonensis Carl B. Wolf 1935-4-7 6298 Riverside Gavilan Hills Region, 1 mi. W of Val Verde 487 Comment
  UC55779  Astragalus pomonensis H. M. Hall Apr., 1903 3815 Riverside vicinity Riverside; vicinity of Riverside 304 Comment
  UCD105191  Astragalus pomonensis R. N. Raynor 1938-6-20 s.n. Riverside Aguanga. Comment
  RSA692513  Athyrium filix-femina subsp. cyclosorum Norman C. Cooper 1944-6-17 1413 Riverside San Jacinto Mtns. above Banning. 1220 Comment
  POM10279  Athysanus pusillus Charlotte M. Wilder 1904-4-18 s.n. Riverside Wilder s Canyon. Comment
  RSA482797  Athysanus pusillus Christopher Davidson 1973-4-1 1822 Riverside Jct. Vail Lake Marina and Hwy. 71/79, about 3 miles west of Aguanga. 427 Comment
  RSA604849  Athysanus pusillus Scott D. White 1995-3-30 2645 Riverside Moreno Valley; hills +/- 0.7 air mile directly S of 60 Fwy and west of bend in Moreno Beach Dr; (USGS Sunnymead 7 1/2' quad shows ''Moreno'' BM 2067 at top of hill). 579 Comment
  RSA66528  Athysanus pusillus F. W. Peirson 1921-3-22 2833 Riverside Murray Canyon near Palm Springs. 457 Comment
  RSA703818  Atrichoseris platyphylla LeRoy Gross 2005-3-3 1606 Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  UCD129382  Atrichoseris platyphylla P. C. Everett; E. K. Balls 1958-4-29 23026 Riverside 10.8 miles northeast and north from Desert Center along road to Rice and Vidal Junction. 274 Comment
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Jun 16 2013
  UC665900  Atriplex canescens Ira L. Wiggins 1941-3-24 9585 Riverside 1 mi n Imperial County Line (along roadside on e side Salton Sea); e side Salton Sea Comment
  UCR109572  Atriplex canescens R. D. Goeden, Don W. Ricker 1978-11-16 s.n. Riverside Coachella Valley, Indio, Monroe St. -6 Comment
  JOTR31142  Atriplex canescens subsp. canescens La Doux, Tasha 2009-6-3 1853 Riverside Joshua Tree National Park. (Stop 2): Little San Bernardino Mountains, Covington Flats Area, Covington Spring 1396 Comment
  JEPS59593  Atriplex canescens subsp. linearis Marjorie D. Clary 1932-10-2 1569 Riverside Point Happy 6 mi w Indio (along edges Whitewater Wash, Colorado Desert); Colorado Desert, Point Happy, w of Indio 30 Comment
  UCR17336  Atriplex canescens subsp. linearis N. R. Zabriskie, W. W. Zabriskie 1970-10-31 324 Riverside Western Colorado Desert/ San Jacinto Mtns, Andreas Canyon Club property, Palm Canyon watershed, east slope San Jacinto Mtns. 168 Comment
  SBBG65419  Atriplex canescens var. laciniata M. D. Clary -Oct-1929 1155 Riverside Coachella Valley -13 Comment
  RSA596931  Atriplex coronata var. notatior G. R. Ballmer 1996-4-14 s.n. Riverside Lake Elsinore area, S of I 15 along E side of Nichols Rd. Comment
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Dec 9 2014
  POM50729  Atriplex hymenelytra E. C. Jaeger 1925-3-1 s.n. Riverside Painted Canyon, Colorado Desert 15 Comment
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Nov 6 2011
  SEINET4135127  Atriplex hymenelytra Howard C. Stutz 1988-1-14 94544 Riverside Salton Sea, Coombs Dr.; 0 Comment
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Jul 19 2015
  UCR122573  Atriplex lentiformis George K. Helmkamp 2000-8-29 5983 Riverside Colorado Desert., South of Mecca, where Lincoln St. crosses the Whitewater River, about 0.5 mile from the Salton Sea -67 Comment
  UCR96800  Atriplex lentiformis G. F. Pratt 1997-3-19 s.n. Riverside March Air Force Base, SE of Arnold Heights & east of Alessandro Blvd. 466 Comment
  RSA0104081  Atriplex polycarpa Duncan S. Bell, Evan Meyer 2014-10-28 7666 Riverside Santa Rosa Mountains; at the foot of the mountains between Toro Canyon and Martinez Canyon. 169 Comment
  SBBG72571  Atriplex polycarpa M. D. Clary -Oct-1929 1156 Riverside Coachella Valley -13 Comment
  RSA619796  Atriplex rosea A. C. Sanders, K. C. Rose 1998-9-29 22241 Riverside San Jacinto Valley: west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills. 459 Comment
  RSA710739  Atriplex semibaccata Virginia Moran 1999-2-9 s.n. Riverside C.f. West Coast Thoroughbred Farm, 12150 Riverside Avenue, disturbed area (farm slated for development). Geology: Alkalai pan; dune area. Comment
  SD136862  Atriplex serenana Steve Boyd 1985-8-7 1116 Riverside Murrieta area, Clinton Keith Road, just east of the Bear Creek development golfcourse. Comment
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Feb 13 2019
  UCR18899  Atriplex serenana John C. Roos 1965-8-3 s.n. Riverside Gilman Hot Springs Comment
  UCR112482  Atriplex suberecta A. C. Sanders, Mitch Provance, T. B. Salvato 2000-4-18 23331 Riverside Coachella Valley, along Tyler St. south of I-10, east of Indio and north of Coachella -12 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
  SEINET959644  Baccharis douglasii G. K. Helmkamp, E. A. Helmkamp 2004-1 8769 Riverside Southern Central Coast: Surf, NW of Lompoc (Surf 7.5) 9 Comment
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May 17 2014
  UCR154624  Baccharis pilularis A. C. Sanders, Mike Misenhelter 2005-6-15 30991 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  POM4585  Baccharis salicifolia I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon, Little Palm Canyon fork 305 Comment
  POM4663  Baccharis salicifolia F. L. Robinson, Crocker 1916-3-26 s.n. Riverside Santa Ana Mts, near Murrietta Comment
  SEINET10616764  Baccharis salicifolia David B. Dunn 1946-2-22 Dunn 1945 Riverside Collected on north side of Whitewater Canyon. Colorado Desert. Comment
  UC500623  Baccharis salicifolia subsp. salicifolia Aven Nelson 1930-3-1 11169 a Riverside Palm Springs, near water course Comment
  UCD129467  Baccharis salicifolia subsp. salicifolia C. L. Hitchcock 1966-3-15 24159 Riverside 3 mi. e. of Glen Ivy Hot Springs. Comment
  SD144065  Baccharis salicina A. C. Sanders, S. White, C. L. Sanders 1994-10-9 15819 Riverside San Bernardino Mountains: Whitewater Cyn, 2 mi below trout farm, above Bonnie Bell. 550 Comment
  SEINET946173  Baccharis salicina A. C. Sanders 1997-1 21619 Riverside Lake Skinner area: mouth of Rawson Canyon, just NE of Lake Skinner. 457 Comment
  CLARK-A1656-619  Baccharis sarothroides Milton Walker 1978-1-31 Riverside Little San Bernardino Mountains Comment
  CAS-BOT-BC99869  Baccharis sergiloides L. R. Abrams 1926-3-26 11059 Riverside Palm Springs to Palm Canyon Comment
  CAS-BOT-BC99875  Baccharis sergiloides Geo. B. Grant 96 -6746 Riverside Palm Springs Comment
  JOTR28778  Baccharis sergiloides La Doux, Tasha 2003-9-4 1047 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
  JOTR34414  Baccharis sergiloides La Doux, Tasha, M. Harding, B. Truesdell, D. Shade 2012-9-25 3098 Riverside Joshua Tree National Park. Cottonwood Mountains; Cottonwood Spring 914 Comment
  RSA0123170  Baccharis sergiloides Duncan S. Bell, Andrew Chambers 2016-12-21 10219 Riverside The Dos Palmas Preserve area, at the southern end of the Orocopia Mountains, and at the northeastern section of the Salton Sea. -41 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
  JOTR34046  Bahiopsis parishii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2946 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; above trail to Lost Horse Mine on basalt outcrop with scree slopes Comment
  RSA442011  Bahiopsis parishii Robert Gustafson 1980-5-5 1563 Riverside Whitewater Canyon Road, 1.8 miles from the junction with Interstate 10. 610 Comment
  POM117758  Baileya pauciradiata Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio. Comment
  RSA782077  Baileya pauciradiata Duncan S. Bell 2009-3-9 115 Riverside Arica Mountains: east side of mountain range, west side of Rice Valley approximately 2.7 air miles northeast of Priest Well or approximately 3.3 air miles southeast of the ghost town of Rice. 244 Comment
  SBBG65721  Baileya pauciradiata M. N. Ackley -Feb-1926 267 Riverside near Edom 64 Comment
  SEINET4344930 Image available Baileya pauciradiata Orr Michael 2013-1 Riverside Palen/McCoy Wilderness area, off Midland rd, about 3 mi S of Rice Comment
  UCR138576  Baileya pleniradiata Steve Boyd, Orlando Mistretta 1986-3-13 1439 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  UC1931108  Barbarea orthoceras Scott D. White, Justin Wood 2008-6-18 12232 Riverside San Jacinto Mountains: K Flat Meadow. Comment
  POM42457  Bebbia juncea Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. Comment
  UCR21794  Bebbia juncea Steve Boyd, L. LaPre 1980-9-9 s.n. Riverside Santa Rosa Mtns, Magnesia Spring Canyon 244 Comment
  UCR224180  Bebbia juncea Justin M. Wood, Dustin M. Ray 2010-10-21 3023 Riverside Colorado (Sonoran) Desert, Chuckwalla Valley northeast of Victory Springs and 0.9 km east of Kaiser Road on unmarked 4WD road 198 Comment
  CAS-BOT-BC100117  Bebbia juncea var. aspera Carl B. Wolf 1932-4-27 3000 Riverside Colorado Desert. 14 mi. E. of Mecca on Blythe Road (E. of Shavers Well) 152 Comment
  CAS-BOT-BC75738  Berberis nevinii Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-3 4074 Riverside Vail Lake area, upper benches and adjacent slopes of the east flank of 'Big' Oak Mountain, just south of the east summit 701 Comment
  RSA550477  Bergia texana D. E. Bramlet 1992-5-15 2286 Riverside San Jacinto Wildlife Area; Drying bed of the old San Jacinto channel, some 610 m. from the intersection of the old channel w/ the new San Jacinto River channel. The site is approximately 790 m. west of Davis Road. 433 Comment
  SD146285  Bergia texana A. C. Sanders, Mitch Provance 1999-9-26 23132 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rdd., 1.4 mi. S of Eden Hot Spr. 433 Comment
  SEINET6426074  Bergia texana A. C. Sanders, Mitch Provance 1999-1 23132 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi S of Eden Hot Spr. 433 Comment
  UCR85592  Bergia texana Julie A. Greene, Steve Boyd, D. E. Bramlet, Hilda Flores, H. Ochoterena B. 1993-7-9 1432 Riverside San Jacinto Valley, San Jacinto Wildlife Area [northwest of Lakeview] 433 Comment
  HSC47414  Bernardia myricifolia R. W. Spjut, C. E. Edson 1978-5-5 5020 Riverside W margins of Colorado Desert, along Hwy. 74, W of Palm Desert in the San Jacinto Mtns. Comment
  RSA69940  Beta vulgaris P. A. Munz 1923-6-14 7120 Riverside 5 miles north of Corona. Comment
  POM17936  Beta vulgaris P. A. Munz 1923-6-14 7120 Riverside 5 miles north of Corona. Comment
  UCR172237  Bloomeria crocea John F. Green 2006-5-10 s.n. Riverside Peninsular Ranges, City of Murrieta; south of the Hogbacks. north of Hunter Road to Ramage Lane, between Calle de Amor on the E and Springview/Kiwebre Road on the W 402 Comment
  POM49150  Boechera californica P. A. Munz 1924-5-18 8136 Riverside 18 miles south of Banning on Idyllwild Road. 1524 Comment
  RSA477454  Boechera californica N. C. Cooper 1944-4-22 1135 Riverside Banning, 732 Comment
  CAS-BOT-BC16261  Boechera glaucovalvula Annie M. Alexander; Louise Kellogg 1941-4-29 2103 Riverside Joshua Tree National Monument. 13 miles southwest of 29 Palms. 1371 Comment
  RSA518278  Boerhavia coccinea A. C. Sanders 1989-9-19 9510 Riverside Chocolate Mtns Aerial Gunnery Range, 1.75 km S of Tabaseca Tank, along the wash above ''Tabaseca Target. 680 Comment
  SD129259  Boerhavia intermedia A. C. Saunders 1989-9-19 9511 Riverside Chocolate Mountains arial gunnery range 1.75 km (airline) south of Tabaseca Tank, along the wash above Tabatesca Target 640 Comment
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Sep 24 2017
  JOTR30838  Boerhavia triquetra La Doux, Tasha, Jim Andre 2008-9-16 348 Riverside Joshua Tree National Park. JTNP; NE end of Splitrock Picnic Area. Queen Mountain USGS 7.5 min Quad. Near 34 00.534' N 116 03.098' W 1327 Comment
  POM246649  Boerhavia triquetra E. C. Jaeger 1938-10-30 s.n. Riverside Granite Wells Wash, Chuckawalla Mts, Colorado Desert. 366 Comment
  UC2026380  Boerhavia wrightii Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10051 C Riverside COLORADO DESERT, CHUCKWALLA MOUNTAINS: Northwest base of the range, south of Eagle Mine Road exit on Interstate 10. Comment
  RSA356651  Boisduvalia densiflora Robert F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47304 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 610 Comment
  CAS-BOT-BC31021  Bolboschoenus maritimus Carl Epling; Joseph Andorfer Ewan 1933-6-1 s.n. Riverside South shore Lake Elsinore. Comment
  UCR142642  Bolboschoenus maritimus subsp. paludosus A. C. Sanders, Chet McGaugh 1991-7-19 11148 Riverside Peninsular Range, Murrieta Hot Springs, large vernal pool on the south side of Murrieta Hot Springs Road, east of Via Princesa & north of Calle del Lago 348 Comment
  CLARK-A1528-4508  Bouteloua aristidoides John C. Roos 1965-9-5 Riverside Chuckwalla Valley Comment
  SEINET10519835  Bouteloua aristidoides F. R. Fosberg 1932-1 Fosberg 8073 Riverside Thousand Palms. Comment
  POM192679  Bouteloua barbata Marcus E. Jones 1929-9-16 24717 Riverside Hayfield, Near Desert Center. Colorado Desert. Comment
  UCR2191  Bouteloua barbata S. B. Parish 1902-6-28 8102 Riverside Sonoran (Colorado) Desert, Salton Basin, Mecca -58 Comment
  RSA0022740  Bouteloua barbata var. barbata Kristin Forgrave, Deidre Conocchioli, April Garbat 2013-8-13 35 Riverside Sonoran Basin & Range. Chuckwalla Valley: From Blythe, Ca, head west on 1-10 for 23 miles. Exit at Ford Dry Lake, turn left to cross back over the interstate and turn right on Chuckwalla Valley Rd., Site is 1.5 miles down on south side of road, near intersection of Graham Pass Rd (unpaved). 120 Comment
  UCR21925  Bowlesia incana Steve Boyd 1980-4-8 118 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  SD125934  Boykinia rotundifolia F. C. Vasek 1987-7-14 870714 1 Riverside San Jacinto Mountains, Vista Grande Road (3508) 1.0 mi. E of Banning-Idyllwild Road (SH243) 1524 Comment
  SBBG122883  Brandegea bigelovii S. D. White 2005-4-14 10893 Riverside bajada beneath Mecca Hills, just E of Coachella Canal 24 Comment
  UC890375  Brandegea bigelovii C. L. Hitchcock 1940-3-31 5894 Riverside between Cottonwood Spring and Pinto Basin Comment
  SBBG95096  Brassica fruticulosa A. C. Sanders, O. F. Clarke 1989-4-5 9035 Riverside Box Springs Mtns, on E side of Riverside, (area burned spring of 88) at end of dirt rd on Two Trees Cyn Comment
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Sep 10 2011
  UCR126936  Brassica geniculata Julie A. Greene 1993-5-12 1321 Riverside San Jacinto Valley, San Jacinto Wildlife Area, SE end of visitor center road, east of Davis Road 436 Comment
  SFV15631  Brassica nigra M. Merchant 1992-4-17 3 Riverside Santa Ana River bottom. End of Rubidoux Ave. in Riverside, 0.5 miles from river. 250 Comment
  UC50321  Brassica rapa H. M. Hall 1903-4-1 3816 Riverside vicinity of Riverside; Southern California 304 Comment
  UCR155818  Brassica rapa John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  CAS-BOT-BC36842  Brassica tournefortii J. Beley 1974-2-20 0391 Riverside Snow Creek Road near Palm Springs Depot. Comment
  CAS-BOT-BC36845  Brassica tournefortii Ira L. Wiggins 1941-3-24 9569 Riverside 0.3 mile south of Myonia, 4.6 miles north of Indio. Comment
  JOTR31848  Brassica tournefortii La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2106 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  UCR102744  Brassica tournefortii B. G. Pitzer 1998-2-1 3443 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed 427 Comment
  UCR103171  Brassica tournefortii Scott D. White, Julie Greene 1997-3-12 4770 Riverside Pedley area, S foot of Jurupa Hills: Just north of State Route (Fwy) 60 at Pedley exit. 305 Comment
  JOTR30828  Brickellia californica La Doux, Tasha, Jim Andre 2008-9-16 344 Riverside Joshua Tree National Park. JTNP; SE end of Splitrock Picnic Area. Queen Mountain USGS 7.5 min Quad. Near 34 00.486' N 116 03.288' W 1289 Comment
  CAS-BOT-BC106183  Brickellia desertorum Carl B. Wolf 1931-10-14 1330 Riverside Snow Creek, 1/2 mile below Fish Hatchery, north base of San Jacinto Mts. 548 Comment
  CLARK-A1528-1670  Brickellia desertorum John C. Roos 1951-10-19 5328 Riverside San Jacinto Mountains Comment
  UC1010309  Brickellia desertorum John and Lucille Roos 1950-9-9 4986 Riverside Mt. Rubidoux 396 Comment
  UCR111613  Brodiaea filifolia D. E. Bramlet 2000-5-3 3010 Riverside Perris Basin, 908-915m east of Perris Valley airport, 31-183m west of Case Rd. and 31-335m north of the San Jacinto River 433 Comment
  RSA92586  Brodiaea filifolia J. C. Roos 1952-5-14 5667 Riverside San Jacinto River bottom 1 mile east of Perris. Comment
  RSA180515  Brodiaea santarosae E. W. Lathrop 1960-5-27 5221 Riverside 6 miles west of Murrieta. Comment
  UCR43788  Brodiaea santarosae R. F. Thorne, W. Wisura, E. W. Lathrop, S. Meury 1985-5-18 60644 Riverside Peninsular Ranges/Santa Ana Mtns, Santa Rosa Plateau: Mesa de Colorado 625 Comment
  UCR68502  Brodiaea santarosae R. Montijo 1991-7-10 91- 17 Riverside Peninsular Ranges/San Jacinto Mtns, Santa Rosa Plateau: Avenida Escalera, north of Tenaja Road and c. 1 mi NE of Squaw Mountain 610 Comment
  UC3326  Brodiaea terrestris subsp. kernensis H. M. Hall June, 1901 2093 Riverside meadows in vicinity Strawberry Valley; San Jacinto Mountains 1402 Comment
  CAS-BOT-BC149443  Bromus berteroanus John Roos; Lucille Roos 1953-3-21 5909 Riverside Mouth of Andreas Canyon south of Palm Springs. 274 Comment
  RSA575964  Bromus carinatus Steve Boyd 1981-4-10 s.n. Riverside Galvin Hills region, summit of 'Rocky Bluff Ridge' east of Estelle Mountain. 832 Comment
  RSA450463  Bromus catharticus A. R. Roos 1937-11-13 s.n. Riverside Riverside. 244 Comment
  UCD58404  Bromus catharticus Peter Kamb 1948-2-1 758 Riverside San Bernardino/Riverside Co.: Valley in the Jurupa Mts. West of Colton. 304 Comment
  UCR138916  Bromus diandrus Julie A. Greene 1993-4-3 1078 Riverside San Jacinto Valley, San Jacinto Wildlife Area. south of levee road, south of the permanent pond 441 Comment
  RSA385313  Bromus grandis N. C. Cooper 1944-7-15 1602 Riverside Idlewild [Idyllwild], San Jacinto Mountains. 1524 Comment
  UCR171955  Bromus hordeaceus 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
  SDSU955  Bromus orcuttianus var. hallii H. Wedberg 1962-7-28 1001 Riverside On dirt road about 2.5 miles N from Black Mtn Publ. Campground, in opening of montane forest with Bracken, P. jeffreyi, Ceanothus cordulatus. San Jacinto Mountains. 2286 Comment
  CLARK-A1528-4553  Bromus rubens John C. Roos 1952-4-2 5465 Riverside Box Springs 426 Comment
  SEINET14451730  Bromus rubens F. S. Crosswhite 1961-1-21 1707 Riverside Weed along Chicago Ave.; Riverside. 0 183 Comment
  UCR104906  Bromus tectorum A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20645 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  UCR120936  Bromus tectorum A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24957 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR2252  Bromus tectorum F. M. Reed 1933-5-31 7923 Riverside Santa Rosa Mtns., Santa Rosa Indian Reservation, near the bridge on the Palms to Pines Road [Vandeventer Flats] 823 Comment
  UCR260896  Bromus tectorum A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41524 Riverside Moreno Valley, south side of Allesandro Blvd. west of Graham St., north of Brodiaea Ave. 488 Comment
  UCR42311  Bromus trinii N. M. Fellows, A. C. Sanders, A. Strickland 1986-4-8 171 Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Oasis de Los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 489 Comment
  CLARK-A1528-49  Bromus willdenowii C. M. Flanagan 1973-5-12 OO 413 Riverside Riverside 274 Comment
  JEPS9627  Bursera microphylla Marjorie Clary 1939-3-2 Riverside 17 mi sw Coachella; Santa Rosa Mountains, Martinez Canyon Comment
  RSA498389  Caesalpinia virgata T. W. Minthorn 1926-5-13 s.n Riverside East of Banning Comment
  UC68616  Caesalpinia virgata L. A. Greata Apr. 1905 428 Riverside Coachella Comment
  UCR19204  Calandrinia ciliata John C. Roos 1966-3-24 s.n. Riverside Winchester 457 Comment
  UCR91464  Calandrinia ciliata Scott D. White 1995-3-30 2659 Riverside San Jacinto Valley, Moreno Valley; fallow field 0.5 air mi south of 60 Fwy and west of bend in Moreno Beach Drive 579 Comment
  RSA0108365  Callitriche heterophylla subsp. bolanderi Robert F. Thorne, Walter Wisura, Earl W. Lathrop, Sara Meury 1985-5-18 60638 Riverside Santa Rosa Plateau: Along seasonal stream in Cole Canyon, near entrance to Nature Conservancy Reserve. 530 Comment
  SD90606  Callitriche marginata Robert F. Thorne, Earl Lathrop 1969-5-12 37925 Riverside Santa Rosa Plateau; large vernal marsh on south end of Mesa de Colorado, Rancho California. 625 Comment
  POM48361  Calocedrus decurrens Philip A. Munz, I. M. Johnston 1924-7-28 8799 Riverside Pine Flats 1738 Comment
  SD229035  Calocedrus decurrens Dick Schwenkmeyer 2012-6-27 750 Riverside Strawberry Creek, 1/4 mile northwest of Humber Park, Idyllwild. 1914 Comment
  UCR201622  Calochortus concolor Scott D. White, Justin M. Wood 2008-6-16 12129 Riverside San Jacinto Mountains, Fobes Ranch Road north of Quinn Flat 1463 Comment
  SD137976  Calochortus splendens Darin L. Banks, Steve Boyd 1995-5-3 238 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, east of the Dripping Springs alcove Area, along the lower alluvial benches of arroyo Seco. 512 Comment
  UCR21917  Calochortus splendens Steve Boyd 1980-5-8 213 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 625 Comment
  UCR281789  Calochortus splendens Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-4-19 417- 100 Riverside Menifee Valley, Menifee, W side of Murrieta Rd., between Melido St. and Wickerd Rd. 482 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
  RSA674535  Calochortus weedii var. intermedius Scott D. White, Brian Leatherman 2000-6-1 7994 Riverside Steep slopes directly south of Oak Av. and Lincoln Av., just east of Hagador Cyn. 381 Comment
  RSA68622  Calochortus weedii var. weedii Frank W. Peirson 1920-6-22 2180 Riverside Grade south of Temecula River, going toward Dripping Spring 427 Comment
  POM351400  Calycadenia tenella J. D. Olmsted 1962-5-10 3665 Riverside W of crest between Sandia and DeLuz Creeks along Murrieta to DeLuz Road 206 Comment
  CAS-BOT-BC282921  Calycoseris wrightii Carl B. Wolf 1932-4-29 3107 Riverside E Colorado Desert. Blythe - Rice Rd. 9 miles S of Browns Well 243 Comment
  UCR41629  Calycoseris wrightii A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6095 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UCR154642  Calyptridium monandrum A. C. Sanders, T. B. Salvato 2005-4-28 29768 Riverside Peninsular Ranges, Gavilan Hills; north of Santa Rosa Rd., 1 mi. SW of Ida Leona Mine 625 Comment
  RSA422204  Calystegia macrostegia subsp. arida Christopher Davidson 1977-5-25 5655 Riverside Mesa de Burro, Sta. Rosa Plateau area of the Sta. Ana Mts. 701 Comment
  SEINET4680880  Camissonia bistorta R. L. Piemeisel 1913-5-2 3559 Riverside Crestmore field.; 0 Comment
  UCR214313  Camissonia bistorta A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38406 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  RSA9345  Camissonia boothii subsp. condensata Mary F. Spencer 1920-4-3 1445 Riverside Colorado Desert, Palm Springs, in desert sand. 122 Comment
  RSA466015  Camissonia brevipes subsp. brevipes Robert Gustafson 1980-4-3 1517 Riverside Orocopia Mountains, about 15 miles E of Mecca on Box Canyon road, thence about 2 miles S along dirt road 579 Comment
  RSA314675  Camissonia californica Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55502 Riverside San Bernardino Mountains -- on south end of ridge at mouth of Whitewater Canyon, east of bridge, about 3.3 miles north of Whitewater Post Office. 427 Comment
  RSA777290  Camissonia californica Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4543 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  UCR85381  Camissonia californica A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16153 Riverside San Jacinto Mtns foothills/Sonoran Desert, Coachella Valley; alluvial fan of Chino Canyon along the Palm Springs tram road, north of the road, 14 telephone poles above Hwy 111/Palm Canyon Dr. 300 Comment
  RSA454731  Camissonia cardiophylla Aloys Nicholson 1930-4-6 s.n. Riverside 1000 Palms. Colorado Desert. Comment
  RSA0014466  Camissonia cardiophylla subsp. cardiophylla Justin M. Wood, J. Miner 2010-4-29 1540 Riverside Coachella Valley: Cathedral City, 0.5 mi SW of intersection of East Palm Canyon Drive and Cathedral Canyon Wash. 130 Comment
  RSA449954  Camissonia chamaenerioides J. C. Roos 1966-3-26 s.n. Riverside Rocky canyon 2 1/2 miles S.E. of Desert Center, Chuckwalla Mtns. Comment
  RSA454784  Camissonia chamaenerioides E. C. Jaeger 1922-4-29 731 Riverside Murray Canon, Colorado Desert. 274 Comment
  UCR148312  Camissonia claviformis John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 23 and 24, at Kaiser RR trestle over the canal, between Salt Creek and Hunters Spring 23 Comment
  SEINET10492071  Camissonia claviformis Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-21 Holmgren 6440 Riverside Blythe-rice road, 17 airline mi n-nw of blythe. T4s, r21e, sec 13. Common in wash.petal white. 259 Comment
  RSA135282  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-3-1 11752 Riverside Plain near Colorado River, along U.S. Highway 95, 37.5 miles north of Blythe. Comment
  RSA448922  Camissonia claviformis subsp. aurantiaca Geo. Cantwell 1935-4-8 s.n. Riverside McCoy Springs, McCoy Mountains. Comment
  RSA448932  Camissonia claviformis subsp. aurantiaca G. R. Johnstone 1930-4-13 s.n. Riverside 1000 Palms Colorado Desert. Comment
  UCR104923  Camissonia confusa A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20659 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  UCR240653  Camissonia hirtella Tracy Tennant, Mitch Provance 1998-6-16 MOR- 406 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1052 Comment
  UCR260566  Camissonia hirtella T. B. Salvato 2014-5-29 8036 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
  UCR121666  Camissonia micrantha A. C. Sanders, T. B. Salvato 2000-5-8 23383 Riverside San Bernardino Valley region, Riverside, UCR Botanical Garden, E side of the campus 396 Comment
  POM37761  Camissonia pallida subsp. pallida Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  UCR269212  Camissonia pallida subsp. pallida Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood 2011-5-16 1253 Riverside San Bernardino Mtns., Haugen-Lehmann Way off I-10, Pacific Crest Trail (PCT) in canyon directly west of Whitewater 675 Comment
  RSA692197  Camissonia refracta Scott D. White, Michael Honer 2003-5-14 9296 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  SEINET3093223 Image available Camissonia refracta Norman C. Cooper 1949-4-8 3284 Riverside Shaver's Summit east of Indio. Comment
  RSA585788  Camissonia strigulosa D. L. Banks, Steve D. Boyd 1995-5-9 416 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. 738 Comment
  SDSU3409  Camissonia strigulosa H. Wedberg 1958-4-4 228 Riverside On Reche Canyon Road, about 6.3 miles south of Barton Road. Comment
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Jan 24 2013
  UCR44448  Camissonia strigulosa A. C. Sanders, B. Pitzer 1986-4-30 6472 Riverside San Jacinto Valley, San Jacinto River Valley at the mouth of Bee Canyon. 610 Comment
  POM9585  Camissonia strigulosa I. M. Johnston 1920-5-8 s.n. Riverside Near Wineville [RR Station] in sand by road. [Wineville = Mira Loma] Comment
  UC1602314  Camissonia strigulosa Alderson 463 Riverside Comment
  JEPS31584  Camissoniopsis bistorta W. L. Jepson May 17 1901-Jun 1 1901 1210 Riverside mesas e Riverside Comment
  SD225045  Camissoniopsis pallida G. K. Helmkamp 1998-4-3 3064 Riverside Whitewater River, bordering the N side of Hwy I-10; E side of the river. Comment
  UC635402  Camissoniopsis pallida subsp. pallida H. L. Mason 1928-3-11 4244 Riverside near Indio Comment
  CAS-BOT-BC334211  Capsella bursa-pastoris T. B. Salvato; Mike Landers 2013-3-22 7389 Riverside Perris-Aguanga Basin: southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), on Los Alamos Rd at its crossing of Warm Springs Creek 402 Comment
  UCR157444  Cardamine flexuosa A. C. Sanders 1997-3-17 20006 Riverside Riverside, UCR campus, edge of lawn at NE corner of Batchelor Hall 348 Comment
  JOTR32971  Carex douglasii La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2722 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  RSA633885  Carex fracta Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38118 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  UC146421  Carex heteroneura Charlotte M. Wilder 1909-7-11 915 Riverside Round Valley, San Jacinto Mts. Comment
  SEINET3101946  Carex multicaulis Marc A. Baker, Michelle Cloud-Hughes 2011-6-13 17380 Riverside San Jacinto Mountains, 1km north of Idyllwild, 2km WSW of Suicide Peak. 1925 Comment
  SD73491  Carex praegracilis E. W. Lathrop 1959-5-17 4571 Riverside 10 miles west of Murrieta; open grasslands; open woods on slopes and valleys; dense grassy stream bank in shallow oak woodland valley. Comment
  UC1931228  Carex praegracilis Scott D. White, Justin Wood 2008-6-19 12281 Riverside San Jacinto Mountains: Meadows at Baldy Mtn. (Idyllwild) Comment
  UCR264618  Carex praegracilis Mitch Provance 2011-6-6 17007 Riverside Badlands, San Timoteo Canyon, El Casco area, north of San Timoteo Canyon Rd. and east of Woodhouse Rd 626 Comment
  RSA0099996  Carex subfusca Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8573 Riverside Santa Rosa Mountains; along Forest Service Road 7S02, approx. 0.7 air mile west of the summit of Santa Rosa Mountain. 2233 Comment
  CHSC108389  Carya illinoinensis R. E. Riefner Jr. 2007-6-16 07 -258 Riverside City of Hemet, Lake St. at Florida Ave. (Hwy 74). UTM: (NAD 83) 11S 0507778E 3734143N. 530 Comment
  RSA450156  Castilleja affinis J. C. Roos 1966-4-5 s.n. Riverside Winchester Comment
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Mar 20 2011
  RSA496569  Castilleja affinis Bill Wagner 1988-4-5 s.n. Riverside Approx. 1.5 miles NW of the community of Murrieta. South side of I-15 Fwy at the junction of Nutmeg Rd. 381 Comment
  UCR281702  Castilleja affinis B. C. Templeton, I. W. Clokey, C. B. Clokey 1930-4-15 1087 Riverside Gavilan Hills, between Perris and Gavilan Peak 500 Comment
  UCR97665  Castilleja affinis A. C. Sanders, G. Helmkamp 1997-3-15 19962 Riverside Lake Skinner area: NE of Skinner Lake in a tributary to Rawson Canyon, along the dirt road 503 Comment
  SBBG26800  Castilleja affinis subsp. affinis C. B. Clokey, I. W. Clokey, B. Templeton 1930-4-15 4729 Riverside Perris to Gavilan Pk 600 Comment
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Nov 8 2011
  SBBG120069  Castilleja exserta A. C. Sanders with K. Volansky 2005-3-17 29212 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
  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
  JEPS10327  Castilleja exserta subsp. exserta I. W. Clokey 1930-4-9 4712 Riverside Moreno Grade 700 Comment
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Mar 20 2011
  UCR26177  Castilleja exserta subsp. exserta John C. Roos 1940-5-4 881 Riverside Reche Canyon Comment
  UCR94252  Castilleja exserta subsp. exserta Scott D. White 1996-4-14 3912 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
  RSA774893  Castilleja foliolosa Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5030 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
  SEINET3079690 Image available Castilleja foliolosa B. Pitzer 1986-4-26 181 Riverside San Bernardino Mtns.; Whitewater Canyon, c. 4.5 mi. north of Hwy I-10 on Whitewater Canyon Road 734 Comment
  UCR133394  Castilleja minor subsp. spiralis Tracy Tennant, T. B. Salvato 1998-6-23 MOR 475 Riverside San Bernardino Mtns., Morongo Indian Reservation, N end of Hathaway Cyn., c. 0.4 miles east of pk 4265 (polygon 13) 1341 Comment
  UCR170117  Castilleja minor subsp. spiralis Jeffrey Ross, Sam Lau, Jenny Phui 1998-5-31 124 Riverside San Bernardino Mtns. region, Morongo Indian Reservation; Lion Canyon 756 Comment
  UCR91479  Caucalis microcarpa Scott D. White, Marty Jacobsmeyer 1996-4-20 3950 Riverside Perris-Aguanga Basin region, SW of Perris: hillside south of the San Jacinto River channel 518 Comment
  UCR112578  Caulanthus heterophyllus D. E. Bramlet 1992-4-2 2203 Riverside San Bernardino Mtns., San Gorgonio River at the confluence with Hathaway Creek on the Morongo Indian Reservation; 15.2m north of Morongo Road and 2.2km northeast of the San Bernardino freeway (I-10). 701 Comment
  HSC85460  Caulanthus lasiophyllus Steve Boyd 1986-4-2 1608 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  UC489223  Ceanothus cordulatus C. V. Meyer 1928-7-31 615 Riverside 7500 ft Tahquitz Peak; San Jacinto Mts. Comment
  CLARK-A1528-792  Ceanothus crassifolius I. Rauch 1968-2-15 Riverside Santa Ana Mountains Comment
  LA41990  Ceanothus crassifolius B. Lewis; 1939-3-11 sn Riverside Reche Canyon 457 Comment
  RSA398900  Ceanothus crassifolius H. M. Hall 1897-4-10 356 Riverside Winchester Comment
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Mar 12 2011
  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
  RSA606765  Ceanothus crassifolius Jon E. Keeley 1996-5-5 27362 Riverside Chaparral S of Hwy 79 on Woodchuck Rd., E of Temecula. 183 Comment
  SD90222  Ceanothus crassifolius Robert F. Thorne, E. Lathrop 1969-6-6 39332 Riverside Santa Rosa Plateau; Rancho California, openings & margins of chaparral 609 Comment
  UC1071055  Ceanothus crassifolius A. Lewis March 1933 177 Riverside Steele Peak Riverside quad 609 Comment
  POM13140  Ceanothus cuneatus P. A. Munz, I. M. Johnston 1922-5-19 5447 Riverside Keen Camp, San Jacinto Mountains 1524 Comment
  RSA500065  Ceanothus cuneatus Steve Boyd, C. Boyd, K. A. Boyd 1989-4-15 3250 Riverside Cahuilla Valley south of Anza, along hwy 371 at the entrance to Lake Riverside development. Comment
  UCR92455  Ceanothus cuneatus A. C. Sanders, S. Hawkins 1996-4-24 18075 Riverside San Bernardino Mtns, Morongo Indian Reservation, along dirt road in Hathaway Canyon, near Burro Flats 1159 Comment
  RSA77146  Ceanothus greggii var. perplexans F. W. Peirson 1918-03 728 Riverside Jack Rabbit Grade, from Moreno to Beaumont Comment
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Mar 20 2011
  UC1563045  Ceanothus leucodermis Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-31 3082 Riverside s of Hwy 79 (Kolb Creek drainage, w of Woodchuck Rd.); Vail Lake area 487 Comment
  UCD166232  Ceanothus leucodermis Jack Major 1962-4-16 774 -a Riverside Mt. San Jacinto, south side. (Exact location unknown. Coordinates estimated by label maker.) 1524 Comment
  RSA606740  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27407 Riverside In on N side of Agua Tibia Range, 2-3 km S of Agua Tibia Wilderness boundary gate on trail extending ca. 100 m S of enclosed reservoir on ridge SE of Woodchuck Resort at end of Woodchuck Rd., S of Hwy 79. 1000 Comment
  UC314551  Ceanothus palmeri Marcus E. Jones, A. M. 1926-6-20 Riverside 20 mi n Idyllwild; n of Idyllwild Comment
  OBI77023  Ceanothus tomentosus H. E. McMinn 1935-3-28 4120 Riverside Along main hwy between Redlands and Beaumont, 5 mi E of Redlands Comment
  SDSU13887  Ceanothus tomentosus Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2088 Riverside Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 671 Comment
  CDA1881  Cenchrus ciliaris D. Halsey 1978-2-1 s.n. Riverside Kapra Ranch, Indio. 0 Comment
  CAS-BOT-BC277185  Centaurea X pouzinii F. Willmarth 1961-10-18 s.n. Riverside Old Fuller Rancho, near Corona Comment
  RSA500126  Centaurea melitensis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3685 Riverside Vail Lake area, Benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  RSA180381  Centaurium venustum E. W. Lathrop 1960-6-9 4962 Riverside 14 miles west of Murrieta. Comment
  RSA736001  Centromadia pungens subsp. laevis Scott D. White, Justin M. Wood 2008-6-26 12293 Riverside Perris Basin: I-215 just N of San Jacinto River crossing. 431 Comment
  RSA737355  Centromadia pungens subsp. laevis Justin M. Wood 2008-9-19 138 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  RSA735900  Centromadia pungens subsp. pungens Scott D. White, Justin M. Wood 2008-6-3 12057 Riverside Perris Basin: March ARB. Comment
  RSA337407  Cerastium glomeratum R. F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 51974 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  JEPS64759  Cercidium floridum subsp. floridum W. L. Jepson 1927-4-12 11684 Riverside Mecca Painted Canyon (in wash) 76 Comment
  RSA772862  Cercocarpus betuloides Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4816 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
  CAS-BOT-BC135454  Cercocarpus betuloides var. betuloides C. B. Wolf 1931-5-11 1950 Riverside Rocky ridges near Pipe Creek, above Hemet Valley - San Jacinto Mts. 1676 Comment
  UC859420  Cercocarpus betuloides var. betuloides I. W. Clokey, E. G. Anderson 1935-4-16 6732 Riverside e of Hemet 600 Comment
  CAS-BOT-BC279539  Chaenactis artemisiifolia Cecil Hart 1922-5-21 20 Riverside San Jacinto Mt. Comment
  CAS-BOT-BC276379  Chaenactis carphoclinia L. R. Abrams 1926-3-26 11009 Riverside Palm Springs Comment
  CAS-BOT-BC276404  Chaenactis carphoclinia Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2148 Riverside N end Palen Mountains, 2 miles W of Palen Pass, mid-bajada 300 Comment
  CAS-BOT-BC293742  Chaenactis carphoclinia Mona Bourell 1987-4-14 3269 Riverside BLM California Conservation Area, Hwy 195. Spur off of Box Canyon, near Mecca 150 Comment
  RSA784770  Chaenactis carphoclinia Duncan S. Bell 2012-3-18 3174 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
  UCR104818  Chaenactis carphoclinia George K. Helmkamp, E. A. Helmkamp 1998-2-18 2732 Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, 10.6 miles SSW of Chuckwalla Valley Rd. on Graham Pass Rd. 488 Comment
  UCR256344  Chaenactis carphoclinia Duncan S. Bell 2011-12-30 3031 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
  CDA7363  Chaenactis carphoclinia var. attenuata A. C. Browne 1953-4-23 Riverside Indian Fish Traps, 12 miles south of Indio. 0 Comment
  RSA4895  Chaenactis carphoclinia var. carphoclinia C. B. Wolf 1932-4-27 3011 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  JEPS30582  Chaenactis fremontii Donald M. Kyhos 1957-5-2 57 -153 Riverside west edge of Cabazon Cabazon Comment
  POM6509  Chaenactis fremontii Philip A. Munz, L. T. Street, Williams 1919-3-28 2464 Riverside San Gorgonio Pass, near Cabazon Comment
  POM6569  Chaenactis fremontii Philip A. Munz, L. T. Street, Williams 1919-3-28 2464 Riverside San Gorgonio Pass, between Whitewater and Cabazon. Comment
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Mar 13 2011
  RSA773044  Chaenactis fremontii Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5037 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66013 750 Comment
  SBBG7877  Chaenactis fremontii H. and M. Dearing 1937-4-10 2869 Riverside ca. 16 mi N of Indio Comment
  UCD130334  Chaenactis fremontii Geoffrey Levin 1976-3-27 687 Riverside Chino Canyon, west of Palm Springs. =Alluvial fan of San Jacinto Mts. Salton Sea Basin. Colorado Desert. 396 Comment
  UCR41227  Chaenactis fremontii N. M. Fellows, A. C. Sanders 1985-4-9 131 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  VVC2884  Chaenactis fremontii Tim Thomas, P. J. MacKay 2010-4-12 5024 Riverside San Bernardino Mtns, Whitewater River; Mouth of Catclaw Flat, at the Paw. 878 Comment
  RSA716190  Chaenactis glabriuscula Scott D. White, Angelia Carey 2004-4-5 10020 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR187501  Chaenactis glabriuscula Theresa Johnson 2006-5-11 097 Riverside Peninsular Range;, Santa Rosa Plateau, Los Alamos Canyon above confluence with San Mateo Canyon 427 Comment
  UCR87901  Chaenactis glabriuscula A. C. Sanders, N. Ferguson 1994-6-2 14631 Riverside San Jacinto Mtns, Bautista Canyon, c. 1 mile above the forest service boundary 850 Comment
  CAS-BOT-BC277400  Chaenactis glabriuscula var. glabriuscula H. M. Hall 1903-4-1 3800 Riverside Vicinity of Riverside 426 Comment
  RSA292905  Chaenactis parishii F. C. Vasek 1973-6-8 s.n. Riverside Santa Rosa Mtns. 1 mile below Garnet Queen Creek Comment
  UC31029  Chaenactis parishii H. M. Hall Jun 1 1901-Jul 1 1901 2326 Riverside near Tahquitz; San Jacinto Mountains 2133 Comment
  RSA0021551  Chaenactis stevioides Duncan S. Bell 2012-3-4 3135 Riverside Arica Mountains; along old railway line about 4.5 air miles south of the ghost town of Rice. 217 Comment
  UC1595798  Chaenactis stevioides W. Wisura, J. Dolan, and M. Wall 1992-3-25 4644 Riverside 14.3 mi e Corn Spring Rd. (Chuckwalla Rd.) Comment
  SEINET3228133  Chamaesyce abramsiana G. Rink, T. Thomas and K. Routson 2012-9-1 11656 Riverside Blythe Solar Power Plant (proposed) about 10 miles northwest of Blythe 160 Comment
  RSA793463  Chamaesyce polycarpa Duncan S. Bell, John Anderson, Kim Clark, Keir Morse 2012-11-11 4371 Riverside Mecca Hills: at Hidden Spring just off Hidden Spring Canyon, approximately 2.6 air miles south of Shaver Well, or approx. 5.4 air miles northeast of junction of Box Canyon Road and the Coachella Canal. 216 Comment
  SEINET3165333  Chamaesyce polycarpa L. S. Rose 1936-12-26 36821 Riverside Hayfield, 5 mi. W of Desert Center 914 Comment
  RSA432482A  Chamaesyce polycarpa var. hirtella Lester H. Cushman 1931-11-1 s.n. Riverside Arlington. Southern California Junior College. Comment
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Apr 16 2009
  RSA433504A  Chamaesyce polycarpa var. hirtella Ora M. Clark 1929-2-23 1559 Riverside North of Whitewater Comment
  RSA336187  Chamaesyce polycarpa var. polycarpa R. F. Thorne, W. Wisura, A. Shmida, R. Whittaker 1978-4-23 52044 Riverside Just E of Palm Desert. Comment
  RSA503388  Chamaesyce polycarpa var. polycarpa Gary D. Wallace 1966-3-4 76 Riverside Along Dillon Rd. S slopes of the Little San Bernardino Mtns. 122 Comment
  UC489210  Chamaesyce serpillifolia subsp. hirtula C. V. Meyer 1928-7-30 587 Riverside Saunders Meadow San Jacinto Mountains 1676 Comment
  SEINET903950  Cheilanthes covillei Norman C. Cooper 1944-1 1193 Riverside Banning. 701 Comment
  UCR12627  Cheilanthes newberryi I. G. Rauch 1968-3-6 s.n. Riverside Box Springs Mountains 488 Comment
  POM926  Cheilanthes viscida I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon, Little Palm Canyon fork 305 Comment
  RSA0063037  Chenopodium album Andrew Haimov, April Sleigh 1992-5-26 98 Riverside 10 meters east of Davis Road, 1 1/4 miles north of Ramona Expressway, near San Jacinto Wildlife Area access road. Comment
  UCR156372  Chenopodium pumilio T. B. Salvato, Kent Beaman 2005-5-16 865 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
  CDA3100  Chenopodium strictum Mitch Provance 2000-11-2 2293 Riverside Reid Park, ca. 0.5 mile SW of the corner of Placentia Ln. and Orange Street, North Riverside. Comment
  SEINET954689  Chenopodium strictum Mitch Provance 2000-1 2293 Riverside North Riverside. Reid Park, about 0.5 mile southwest of the corner of Placentia Lane and Orange Street (San Bernardino South 7.5'). 250 Comment
  CAS-BOT-BC231783  Chilopsis linearis Carl B. Wolf 1932-4-26 2983 Riverside Colorado Desert. 8 mi. E. of Mecca, on Blythe Road 91 Comment
  RSA296186  Chilopsis linearis subsp. arcuata B. A. Prigge 1980-8-5 3824 Riverside Whitewater Canyon: 0.5 miles N of trout farm 701 Comment
  POM48038  Chimaphila menziesii P. A. Munz, I. M. Johnston 1924-7-27 8753 Riverside Dark Canyon. 1890 Comment
  CAS-BOT-BC184863  Chloris virgata Mrs. C. M. Wilder 1909-9-3 s.n. Riverside West Riverside. Comment
  SD27991  Chloris virgata Carl B. Wolf 1932-4-28 3071 Riverside Colorado Desert. Chuckwalla Valley, 20 mi west of Blythe on the Mecca Road. 121 Comment
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Mar 26 2011
  CAS-BOT-BC39668  Chorispora tenella D. Bramlet 1993-3-20 2296 Riverside 5.6 km west of Hemet, 671 m. south of the intersection of Florida Ave. and Warren Road. The site is alongside Warren Rd. 457 Comment
  RSA796015  Chorizanthe brevicornu Duncan S. Bell 2009-4-18 249 Riverside Arica Mountains: southeast side of range, approximately 1.7 air miles west of Priests Well. 463 Comment
  UCR213385  Chorizanthe brevicornu A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37444 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  SBBG61717  Chorizanthe brevicornu var. brevicornu M. N. Ackley 1928-4-4 Riverside near Edom 64 Comment
  UCR30088  Chorizanthe brevicornu var. brevicornu George K. Helmkamp 1983-4-5 483 26 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  UCSB38674  Chorizanthe brevicornu var. brevicornu Cowan, Clark 1978-4-23 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. 570 Comment
  POM172730  Chorizanthe corrugata M. French Gilman 1930-4-27 s.n. Riverside Dos Palmos, east of Mecca. Comment
  RSA392661  Chorizanthe corrugata Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
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Dec 3 2007
  RSA518037  Chorizanthe corrugata Steve Boyd, Orlando Mistretta 1986-3-13 1423 Riverside Palen Mountains; NE of Desert Center, jct. of Parker Dam Rd. and Palen Rd. (road going through pas between Palen and Granite Ranges). 244 Comment
  POM12961  Chorizanthe fimbriata P. A. Munz, I. M. Johnston 1922-5-18 5318 Riverside 3 miles south of Murrieta. Comment
  UCR155061  Chorizanthe leptoceras R. E. Riefner Jr. 2005-5-25 05- 418 Riverside Temecula Region, Pechanga Indian Reservation, on north side of Pechanga Creek, south of Pechanga Road 377 Comment
  UCR217524  Chorizanthe leptotheca Jeff B. Galvin, Lauren Ross 2010-7-7 138 Riverside Palomar Mountains, Tule Valley, 0.1 miles north of Rogers Canyon, along Tule Peak Road 1291 Comment
  UCR194231  Chorizanthe parryi var. parryi Scott D. White 2006-4-28 11321 Riverside Elsinore Basin, Wildomar, east of the I-15 Fwy and north of Baxter Road. South and west-facing hillsides, minor ephemeral wash, and upper bajadas at bases of hills 488 Comment
  UCR27232  Chorizanthe parryi var. parryi S. Gallagher 1981-5-9 12 Riverside Box Springs Mts., 1.8 mi. south on Box Springs Rd. from intersection with Pigeon Pass Rd. Site on SW corner of Box Springs Rd. intersection with dirt side road leading to western slope of Mts 747 Comment
  UCR87624  Chorizanthe parryi var. parryi A. C. Sanders 1994-5-30 14609 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  RSA500223  Chorizanthe staticoides Steve Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3519 Riverside Vail Lake area, 1 mi W of lake. 609 Comment
  UCR25017  Chrysolepis sempervirens A. C. Sanders 1980-7-23 1768 Riverside San Jacinto Mtns, Black Mountain, rocky ridge SW of Farview Point. 2348 Comment
  RSA770313  Chrysothamnus paniculatus Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4403 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
  POM184062  Chrysothamnus teretifolius P. A. Munz 1932-10-16 12872 Riverside Indio to Vandeventer Flat. 1067 Comment
  SEINET13009282  Chylismia brevipes subsp. brevipes J. S. Horton 1973-3-19 698 Riverside 5 miles west of Desert Center. 366 Comment
  CAS-BOT-BC160589  Chylismia claviformis subsp. aurantiaca Carl B. Wolf 1932-4-27 3032 Riverside Colorado Desert. Mecca - Blythe Road. 3/4 mi. West of Utopia 152 Comment
  CAS-BOT-BC160593  Chylismia claviformis subsp. aurantiaca E. A. McGregor 1917-3-20 704 Riverside Colorado Desert. Indio; north of date ranch Comment
  CAS-BOT-BC160629  Chylismia claviformis subsp. aurantiaca Aven Nelson; Ruth A. Nelson 1939-3-22 3215 Riverside Near Palm Springs, hiway 99 Comment
  UC708731  Chylismia claviformis subsp. aurantiaca H. K. Wagnon 1944-4-2 381 Riverside along fence w cold storage plant; Palm Springs, Torney General Hospital Comment
  RSA0059654  Cirsium occidentale Steve Boyd, Tim Ross 1991-6-14 6403 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
  SEINET2050010 Image available Cirsium occidentale var. californicum Diane C. Wald 1967-4-30 Riverside Bernasconi Hills near Lakeview, on a drier slope directly above a north-facing ravine next to Big Rock. 503 Comment
  UCR159248  Cirsium vulgare A. C. Sanders, Kelly Volansky 2005-8-31 31581 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  RSA466604  Cistanthe monandra Howard Mullins 1931-4-11 s.n. Riverside Palm Springs. Comment
  UC667380  Cladium californicum Annie M. Alexander and Louise Kellogg 1941-5-17 2191 Riverside Old pond hear Dos Palmas; Colorado Desert Comment
  UCR266485  Clarkia epilobioides Mitch Provance, Eric Kline 2015-3-26 315- 44 Riverside Temecula/Murrieta Region, Murrieta, Antelope Hills neighborhood, NE corner of Menifee Rd. and Clinton Keith Rd. 424 Comment
  UCR91511  Clarkia epilobioides Scott D. White, M. Jacobsmeyer 1996-4-20 3938 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore. c. 1 road mi east of Bundy Canyon Road exit from Hwy I-15 freeway. south of road. 451 Comment
  SBBG104720  Clarkia purpurea M. A. Patten 1992-5-28 92 -11 Riverside just E of Temecula, between Pauba Rd and De Portola Rd; W boundary of site adjacent to Butterfield Stage Rd 365 Comment
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Aug 24 2013
  SEINET255567  Clarkia purpurea Unknown 2005-5-7 30034 Riverside Peninsular Range, Agua Tibia Mountains: UC Emerson Oaks Reserve, ca 8 miles southeast of Temecula, S of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank. 457 Comment
  POM3124  Clarkia purpurea subsp. quadrivulnera Jenkins, Street 1917-5-30 s.n. Riverside San Jacinto Canyon. Comment
  SD185274  Clarkia purpurea subsp. quadrivulnera T. B. Salvato, Kent Beaman 2005-5-16 765 Riverside San Jacinto Mountain Foothills: San Jacinto River East of Valle Vista, just downstream from the Forest Service boundary and North of CA Highway 74. (Blackburn Canyon 7.5' Q.) Old Clearing. in the wash woodland; a single dense colony. 548 Comment
  UCR112823  Clarkia purpurea subsp. quadrivulnera A. C. Sanders 1997-5-1 20612 Riverside Lake Skinner area, north foot and lower slopes of Black Mtn., edge of Crown Valley on E side of Rawson Canyon 671 Comment
  UC1979621  Clarkia similis D. L Banks, Steve Boyd 1995-5-3 0185 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. Comment
  RSA276887  Claytonia parviflora subsp. tenuifolia C. Fellows 1974-4-12 981 Riverside 1.0 mi. N of Mountain Center on Hwy. 243. 1463 Comment
  RSA0013150  Claytonia parviflora subsp. viridis LeRoy Gross, Duncan S. Bell 2013-4-30 6034 b Riverside Surveyed from Apela Drive, right at junction of road to sewage disposal ponds, south to Strawberry Creek. Started near 33.73367N, 116.75074W. And ended at 33.72912N 116.75098W. 1510 Comment
  RSA689500  Claytonia perfoliata Scott D. White 2001-4-19 8368 Riverside Perris Basin: Perris/Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5-2 mi west of Interstate 215. 442 Comment
  RSA440806  Cleome isomeris C. Cunningham 1941-2-9 s.n. Riverside 29 Palms Junction. 366 Comment
  RSA440823  Cleome isomeris E. Crow 1928-11-12 44 Riverside Morongo Valley, Colorado Desert. Comment
  UC1495656  Collinsia concolor R. T. Clausen 1963-4-18 63052 Riverside 10 km se Murrieta (n slope of ridge s of Santa Gertrudis Creek); Transverse Ranges 360 Comment
  UCR43789  Collinsia heterophylla var. heterophylla R. F. Thorne, W. Wisura, E. W. Lathrop, S. Meury 1985-5-18 60661 Riverside Peninsular Ranges/Santa Ana Mtns, Santa Rosa Plateau: edge of Cleveland National Forest 610 Comment
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May 31 2011
  UCR166148  Collomia grandiflora T. B. Salvato, John F. Green 2004-5-27 550 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
  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
  UC665634  Colubrina californica Annie M. Alexander and Louise Kellogg 1941-5-20 2206 Riverside Eagle Mountain pumping station road 5.2 mi nw Desert Center (hanging over edge of sandy wash); Colorado Desert 457 Comment
  RSA318528  Conium maculatum Patricia Wilder 1971-2-4 4914 Riverside By edge of vernal pool in northeast portion of Prado Park; east of Archibald Ave. 244 Comment
  UC1595730  Convolvulus simulans Steve Boyd and Tim Ross 1991-6-14 6405 Riverside rolling hills just sw jtn of Briggs Rd and Scott Rd (e of Hwy I-215, between Sun City and Murrietta); Paloma Valley Comment
  UCR205442  Convolvulus simulans Jeff B. Galvin 2008-4-14 008 Riverside Perris-Hemet Basin, Public land c. 900 m west of Briggs St., c. 1.1 km south of Scott Rd. 466 Comment
  UCR227723  Cordylanthus rigidus Duncan S. Bell, Joy England 2010-6-7 1274 Riverside San Jacinto Mountains, San Bernardino National Forest, Rouse Ridge, c. 3 air miles southeast of the junction of Hwy 74 and Forest Service Road 5S15 1057 Comment
  RSA0103097  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8543 Riverside Santa Rosa Mountains; along the Cactus Spring Trail, just above Horsethief Creek. 1064 Comment
  LA99062  Corethrogyne filaginifolia E. R. Hobbs; G. Malanson, Walt Westman 1978-9-30 78- 132 Riverside Cortrite Avenue, Homeland Comment
  UC1211956  Corethrogyne filaginifolia Otto T. Solbrig 1958-8-18 2759 Riverside on Hwy 78 2 mi w Temecula (w side of stream on road bank) Comment
  RSA588673  Corethrogyne filaginifolia var. filaginifolia D. L. Banks, Steve Boyd 1995-10-26 0830 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
  UCR172202  Cotula coronopifolia John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley: Leon Road (San Diego Aqueduct right of way) from Borel Road/Tucalota Creek S for c. 0.25 mi 427 Comment
  RSA678286  Crassula connata var. connata Michael Wall 2003-5-24 296 Riverside Northeast of Skinner Reservoir, Rawson Canyon, off Rawson Rd., 2.7 miles from jct. with Washington Ave. off Winchester Rd. 564 Comment
  CLARK-A1656-744  Crassula erecta Theo Glenn 1979-3-4 Riverside Snow Creek Comment
  UCR256778  Cressa truxillensis T. B. Salvato, Matthew Malle 2013-5-20 7580 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  JOTR29599  Crossosoma bigelovii Andre, Jim 2006-4-26 6756 Riverside Joshua Tree National Park. Long Canyon, approximately 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  NY268562  Crossosoma bigelovii T. Labouchere 1915-4-15 3315 Riverside San Jacinto Mountain. Comment
  NY268563  Crossosoma bigelovii J. Turner 1959-3-21 75 Riverside Along road to Morongo Valley 8 miles north of United Stated Highway 99, Morongo Wash. Comment
  POM118203  Crossosoma bigelovii Theodore Labouchere 1915-4-15 s.n. Riverside Borders of the Colorado Desert on the easterly side of San Jacinto Mountain, in the lower Sonoran Zone. Comment
  POM296499  Crossosoma bigelovii Lyman Benson 1945-3-29 11632 Riverside Canyon on Palm Spring Rd. Colorado Desert Drainage Area. 671 Comment
  UCD166244  Crossosoma bigelovii Jack Major 1962-4-17 778 -a Riverside Along the west facing wall of Whitewater Canyon, just east of San Gorgonio Pass, north of US HWYs 60 and 70, (modern Interstate 10 in this locality). (Exact location unknown. Coordinates estimated by label maker.) 670 Comment
  UCR47311  Crossosoma bigelovii David Charlton 1986-12-26 654 Riverside Sonoran (Colorado) Desert, Coxcomb Range, at E end of Joshua Tree Nat. Monument, northernmost W facing large canyon in the range, just north of Specter Peak 915 Comment
  UCR602  Crossosoma bigelovii S. C. Warner 1956-4-28 s.n. Riverside Sonoran Desert, Small canyon in hills east of Morongo Wash Road Comment
  UCR88544  Crossosoma bigelovii A. C. Sanders 1995-4-13 16491 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
  JOTR28933  Croton californicus La Doux, Tasha, Bill Truesdell, Erin Babich 2005-3-7 1168 Riverside Joshua Tree National Park. Eagle Mountains, southeast end near Pinto Wells 316 Comment
  POM8167  Croton californicus var. mohavensis Mary F. Spencer 1920-3-19 1621 Riverside Palm Springs. 122 Comment
  SDSU13548  Croton setiger W. Miller, C. Mosse 1972-7-12 Riverside N.W. corner, roadside. Comment
  RSA675836  Crypsis schoenoides Scott D. White 2001-7-9 8716 Riverside MENIFEE: Ca. 1 mile southwest of Bell Mtn. and 1/2 mile east of I-215 Freeway. 445 Comment
  POM15232  Cryptantha angustifolia Mary F. Spencer 1922-3-26 2010 Riverside Mecca -49 Comment
  POM316874  Cryptantha angustifolia Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA777540  Cryptantha angustifolia Thomas Stoughton, Chrsiti Gabriel, Stephanie Rockwood 2011-3-30 900 Riverside East Mojave Desert region: McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  SEINET3005003  Cryptantha angustifolia G. Rink 2011-4-4 10431 Riverside Northwest of Blythe, east of the McCoy Mtns, desert pavement 182 Comment
  UCR116607  Cryptantha angustifolia A. C. Sanders 2001-4-8 23979 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic Ave., north of flood control ditch 348 Comment
  POM46802  Cryptantha barbigera Mary F. Spencer 1920-4-7 1573 Riverside Palm Canyon. Colorado Desert 182 Comment
  POM46803  Cryptantha barbigera Mary F. Spencer 1920-3-24 1516 Riverside Near Indio. Colorado Desert. 91 Comment
  SD128709  Cryptantha barbigera Darley F. Howe 1980-4-16 Riverside 8.5 miles south of Highway 10 on Cornsprings Road, Chuckwalla Mountains 550 Comment
  UCR213399  Cryptantha barbigera A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37462 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
  SEINET10455559  Cryptantha barbigera Thorne 1980-4-16 THORNE 54048 Riverside San Bernardino Mts: Sandy bench along Whitewater River, E of bridge and levee and below W-facing bluff. Comment
  RSA136586  Cryptantha barbigera var. barbigera P. H. Raven 1960-5-6 12928 Riverside Along State Hwy 74, 15.6 miles SW of Palm Desert, San Jacinto Mtns. Comment
  SDSU20603  Cryptantha barbigera var. fergusoniae Ronald B. Kelley 2006-3-27 1006 Riverside Northwest Coachella Valley. Roadside on Intersection of Painted Hills and Worsley Roads, east of SR62. 387 Comment
  UCR175225  Cryptantha barbigera var. fergusoniae Jim Andre 2006-4-6 6716 Riverside S Mojave Desert, Joshua Tree National Park, c. 50 m north of the Keys View Parking area, at south end of Little San Bernardino Mtns 1553 Comment
  UCR261416  Cryptantha barbigera var. fergusoniae A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41437 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
  RSA0031380  Cryptantha clevelandii E. W. Lathrop 1966-5-8 6413 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  SD260222  Cryptantha corollata T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr. 2014-4-22 7885 Riverside Peninsular Range: southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon. 481 Comment
  UCR20839  Cryptantha costata A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1304 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  JEPS29292  Cryptantha decipiens Rimo Bacigalupi, and L. Heckard, P. C. Hutchison 1962-3-23 8363 Riverside 1.9 mi sw San Bernardino County line (lower end of Morongo Wash); Morongo Wash 609 Comment
  POM212930  Cryptantha holoptera F. W. Peirson 1935-4-17 11475 Riverside 30 miles north of Blythe. Comment
  POM368273  Cryptantha intermedia Ora M. Clark 1929-3-2 1601 Riverside Near Alberhill Comment
  SEINET244864  Cryptantha intermedia Ian G. Gillespie 2000-4-27 30 Riverside Temescal Valley; 0.9 mi SE of Indian Truch Train and 30 m S of DePalma Road. 412 Comment
  UCR102829  Cryptantha intermedia A. C. Sanders 1997-4-3 20149 Riverside Lake Skinner area, near north foot of Black Mountain, slopes south of Crown Valley 726 Comment
  UCR160881  Cryptantha intermedia T. B. Salvato, Kelly Volansky 2003-3-27 116 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  UCR241692  Cryptantha intermedia T. B. Salvato 2013-3-22 7400 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), south of Los Alamos Rd, rocky slopes flanking Warm Springs Creek 396 Comment
  HSC82900  Cryptantha maritima A. C. Sanders, Pitzer, Charlton, Kniffen 1986-3-3 6121 Riverside Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the S 489 Comment
  UCR241801  Cryptantha maritima A. C. Sanders, Ann Howald 2013-2-28 40564 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 3.4 miles west of Hwy 78, 11 km SW (250 deg. ) of Ripley 114 Comment
  UCR280920  Cryptantha maritima Fred M. Roberts 2016-3-5 7995 Riverside Sonoran (Colorado) Desert, Little Maria Mountains: shallow canyon at west end, 4.3 km east of Palen Pass and 2.0 km WNW Peak "602" 116 Comment
  UCR38249  Cryptantha maritima J. M. Stewart 1985-2-24 8501 Riverside Sonoran (Colorado) Desert, Coachella Valley, south of Pushawalla Palms Oasis, Indio Hills Comment
  POM12151  Cryptantha micrantha Mary F. Spencer 1920-3-16 1515 Riverside Mecca -60 Comment
  RSA499630  Cryptantha micrantha F. R. Fosberg 1932-3-13 10625 Riverside Thousand Palm Canyon, Coachella Valley Comment
  UCR261447  Cryptantha micrantha subsp. micrantha A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41430 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  UCR100037  Cryptantha micrantha var. lepida Scott D. White 1994-4-23 2046 Riverside San Bernardino Mtns., Millard Canyon, c. 5 air miles north of Cabazon: U.S. Forest Service Road 2S05.1, c. 1-1.5 mi. south of Millard Canyon Guard Station and junction of roads 2S05.2 & 2S05.1A (= East Branch) 1037 Comment
  RSA557870  Cryptantha micromeres Steve Boyd, Orlando Mistretta 1992-4-23 7060 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Creek from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 244 Comment
  UCR158712  Cryptantha micromeres A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30005 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
  RSA523554  Cryptantha microstachys G. H. True 1935-4-1 198 Riverside Box Springs. 366 Comment
  UCR90387  Cryptantha microstachys Steve Boyd 1995-4-24 8474 A Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on N flank of Agua Tibia Mtn, at N base of Wildhorse Peak. Along the Wildhorse Trail near its junction with the Dripping Springs Trail. 610 Comment
  RSA786476  Cryptantha muricata C. P. Cowan 1978-4-24 1249 Riverside 19.6 mi S on Hwy 74 from its jct with Hwy 111 at Indian Wells. Sta. Rosa Road, 1 mi S of 74. Whittaker transect no.W-225(voucher). Comment
  SEINET10805490  Cryptantha muricata Andrew C. Sanders 2006-5-19 Sanders 32414 Riverside Hills between Murrieta and Menifee Valley, W of I-215, south of Bundy Cyn/Scott Rd. and N of Clinton Keith Rd. (Murrieta 7.5'Q). [T6S R3W S27, NE/4 & E/2 of NW/4] 518 Comment
  UC24693  Cryptantha muricata H. M. Hall Jul 1901 2250 a Riverside Fuller's Mills San Jacinto Mountains 1767 Comment
  UCR68607  Cryptantha muricata Steve Boyd, A. C. Sanders, M. Skinner 1990-4-28 4457 Riverside Peninsular Range, Vail Lake Area. east of USFS Dripping Springs Campground along Arroyo Seco Creek, south of Hwy 79. 518 Comment
  POM15233  Cryptantha nevadensis Mary F. Spencer 1922-4-4 2034 Riverside Palm Springs. 122 Comment
  RSA480005  Cryptantha nevadensis Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2138 Riverside North end Palen Mountains, 2 mi west of Palen Pass 300 Comment
  HSC101269  Cryptantha pterocarya var. pterocarya Jim Andre 2012-3-19 21351 Riverside Chuckwalla Valley; along Hwy 177, 8.6 mi. NE of Jct with I-10. 152 Comment
  UCR103304  Cryptantha pterocarya var. pterocarya George K. Helmkamp 1998-4-4 3149 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  JOTR30312  Cryptantha utahensis La Doux, Tasha, Erin Babich, Bill Truesdell 2008-3-10 1749 Riverside Joshua Tree National Park. Stop 3: Northwest end of Eagle Mountains, near road to Cottonwood Canyon. 898 Comment
  UCSB69266  Cucurbita palmata Reifner, R. 2006-8-2 Riverside Lakeview Mountains, vicinity of Alicante Dr. at Jamawag Rd., N of Leon Rd.; USGS 7.5' Quad: Lakeview; UTM: (NAD 83) 11S 0488948E 3735311N 550 Comment
  RSA796454  Cuscuta Duncan S. Bell 2009-4-18 224 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
  CAS-BOT-BC224551  Cuscuta californica C. L. Hitchcock; C. V. Muhlick 1964-3-17 23076 Riverside 8 miles s.e. of Corona, along road to Elsinore Comment
  CAS-BOT-BC224552  Cuscuta californica H. A. Dutton 1898-6-1 s.n. Riverside Elsinore Comment
  SBBG119583  Cuscuta californica var. californica R. F. Thorne 1963-7-26 32821 Riverside Trabuco District, Cleveland Nat Forest 304 Comment
  UCR281261  Cuscuta salina Mitch Provance, John Hazlett 2017-4-27 417- 25 Riverside Elsinore Trough, Baker St., 0.05-0.15 miles SE of Pierce St. 384 Comment
  RSA0073880  Cylindropuntia bigelovii Marc A. Baker, Michelle Cloud-Hughes 2013-4-15 17729 Riverside Chuckwalla Mountains, Corn Springs Wash, 5km west of Aztec Well, 74km east of Indio. 760 Comment
  SEINET4604342 Image available Cylindropuntia bigelovii Marc A. Baker, Michelle Cloud-Hughes 2013-4-15 17728 Riverside Chuckwalla Mountains, Corn Springs Wash, 4 km west of Aztec Well, 75 km east of Indio; Desert Center 7.5' USGS topographic quadrangle 727 Comment
  SEINET5624466 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2012-3-25 17525 .6 Riverside Northeast end of Chuckwalla Mountains, 11km SSE of Desert Center, 70km west of Blythe, two-track branching south from Com Spring Road, 1.1 km W of Corn Spring Campground, 400 south of Com Springs Wash 525 Comment
  JOTR35523  Cylindropuntia echinocarpa Harding, Mitzi, C. Barrows, K. Callahan, J. Hoines, M. Wheeler 2013-4-12 131 Riverside Joshua Tree National Park. Eagle Mountains; foothills west of Eagle Mountain 1091 Comment
  CAS-BOT-BC56745  Cylindropuntia ramosissima Dr. Barton W. Evermann 1924-4-1 s.n. Riverside Field redacted by CAS, contact the data manager for more information Comment
  JOTR32385  Cynodon dactylon La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2491 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
  RSA650405  Cynodon dactylon W. H. Grady 1948-5-2 s.n. Riverside in Riverside. 259 Comment
  UCR149977  Cynodon dactylon Scott D. White, Angelia Carey 2004-5-7 10318 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  UCR92187  Cynodon dactylon D. L. Banks, Steve Boyd 1995-5-3 279 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  UCR1587  Cyperus eragrostis R. L. Needham 1962-5-15 10061 Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, Camp Evans [below Fairmont Park], Boy Scouts of America. 244 Comment
  UCR85377  Cyperus erythrorhizos A. C. Sanders, O. F. Clarke & CNPS field trip 1991-10-5 11742 Riverside Santa Ana River Valley, Rubidoux, Santa Ana River Regional Park, c. 0.3 mi SE of Louis Rubidoux Nature Center Comment
  UCR14391  Cyperus rotundus George K. Helmkamp 1974-7-14 s.n. Riverside Riverside, Massachusetts at Iowa Street Comment
  JEPS35183  Cystopteris fragilis Carl V. Meyer 1928-7-27 555 Riverside summit San Jacinto Peak Comment
  RSA797251  Cystopteris fragilis R. F. Thorne, Walter Wisura 1977-9-17 50789 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  UCR71765  Dactyloctenium aegyptium L. F. LaPre, Megan Phillips 1991-9-9 91- 17 Riverside Sonoran (Colorado) Desert, Palm Springs, Tahquitz debris basin at base of Tahquitz Canyon, off Sunnydunes Drive 183 Comment
  SEINET10486031  Dalea emoryi Billy Joe Cox 1975-10-10 Cox 4208 Riverside Palo verde, 1-3 km w, creosote desert scrub; sandy and gravelly entisols. 21 Comment
  JEPS41662  Dalea mollissima W. L. Jepson 1927-4-12 11637 Riverside Painted Canyon Mecca Hills, Painted Canyon 76 Comment
  RSA0027466  Dasyochloa pulchella Deidre Conocchioli, Billy Sale, Naomi Fraga 2013-9-25 59 Riverside East of Alligator Rock: From I-10 at Desert Center, head south on CA-177 to BLM Rd 394 (dirt). Collection site is 1.1 miles SW of interstate exit ramp. 334 Comment
  UCR35197  Datisca glomerata L. B. Ziegler 1969-7-30 389 Riverside San Jacinto Mountains, Hemet Valley. In dry creek bed in side canyon on W side of valley opposite Kenworthy R.S. 1341 Comment
  RSA0108944  Datura discolor Duncan S. Bell, Amanda Bell 2012-1-28 3066 Riverside East side of the Arica Mountains; collecting in Rice Valley, approximately 6 air miles southeast of the ghost town of Rice. 202 Comment
  UCR95616  Datura quercifolia A. C. Sanders, O. Clarke, C. Sanders 1996-10-23 19644 Riverside Riverside: O. F. Clarke residence, 1012 Spruce St. 305 Comment
  RSA500206  Daucus pusillus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3538 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  UC194674  Deinandra fasciculata S. B. and W. F. Parish 1882-6-1 237 Riverside near Temecula; San Jacinto Plains Comment
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Jul 15 2009
  CAS-BOT-BC294119  Deinandra kelloggii John Thomas Howell 1931-5-30 6616 Riverside Wash of Coldwater Creek below Glen Ivy Hot Springs Comment
  SD144040  Deinandra mohavensis A. C. Sanders, O. F. Clarke, M. Alexander, et al 1994-1-1 14224 Riverside San Jacinto Mountains: Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Road (dirt). 920 Comment
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Jun 23 2008
  SD232185  Deinandra mohavensis V. Soza, Steve Boyd and Neil Gilbert 2000-12-6 1063 b Riverside Peninsular Ranges, San Jaginto Mountains region: Alongside Highway 74, ca. 1 mile west of junction with Highway 243 (Mountain Center). 1310 Comment
  SD234298  Deinandra paniculata R. E. Jr. Riefner 2006-9-19 06 444 Riverside Temecula Valley, c. 0.2 mi. west of I-15 Freeway along Temecula Creek, head of Santa Margarita River. 301 Comment
  SD237330  Deinandra paniculata John F. Green 2009-7-13 Riverside Peninsular Range: Elsinore Trought, NE side of the city of Lake Elsinore, east side of Pasadena St. north of Central Ave. 384 Comment
  UCR238219  Deinandra paniculata Mark A. Elvin 2005-5-24 4321 Riverside Peninsular Range; Perris-Aguanga Basin Region, SW foot of round hill west of Hemet and south of Hwy 74, west of California Ave. 470 Comment
  UC534127  Delphinium parishii subsp. subglobosum S. B. and W. F. Parish April 1883 1222 Riverside Agua Caliente Comment
  UCR1020  Delphinium parryi Dennis Vander Ven 1968-5-19 680519- 3 Riverside c. 7 miles west of Murrieta on Tenaja Rd., where road first enters a canyon. Precisely where road crosses creek. On both sides of road 701 Comment
  UCR48349  Delphinium parryi Steve Boyd 1986-4-22 1766 Riverside Temescal Canyon, W side of Indian Wash, south of I-15 Comment
  UCSB12149  Delphinium parryi Suter, Richard 1961-5-7 Riverside Idylwild - Banning road in the San Jacinto Mountains; 6.9 miles south of its turnoff from U.S. Highway 60,70,99 at Banning 1280 Comment
  SD160867  Delphinium parryi subsp. parryi Virginia Moran 2003-5-23 Riverside Peninsular Ranges; Perris-Aguanga Basin region: Wilson Valley Mitigation Bank, managed by the Center for Natural Lands Management. Section 33 of two that comprise mitigation bank. Accessed from Wilson Valley Road. Sage 7.5 Quadrangle. Comment
  UCR265824  Delphinium parryi subsp. parryi Mitch Provance 2012-5-24 512- 05 B Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  RSA0069759  Delphinium parryi subsp. parryi Debra Nelson, James Hughes 2015-5-29 s.n. Riverside San Jacinto Ranger District. San Bernardino National Forest. Near Cahuilla Mountain. Comment
  SD133230  Deschampsia danthonioides A. C. Sanders 1991-4-19 10926 Riverside Edgemont area, east of Sycamore Canyon; 0.8 miles west of highway I-215 on East Ridge dr; just west of Pepsi Plant 466 Comment
  SD140226  Deschampsia danthonioides A. C. Sanders 1993-4-5 13696 Riverside Western edge of Hemet; along south side of Devonshire ave, between Old Warren and Warren roads; southwest of Tres Cerritos and north of Florida ave (highway 74) 459 Comment
  IRVC60  Dichelostemma capitatum subsp. capitatum Robin Hobson 1965-5-7 HS 0094 Riverside Railroad Cyn Reservoir. Comment
  RSA586152  Dichelostemma capitatum subsp. capitatum Darin L. Banks, Steve Boyd 1995-3-30 114 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, E of the Woodchuck Trail. 713 Comment
  RSA124448  Dicoria canescens Percy C. Everett, E. K. Balls 1958-4-29 23024 Riverside 5.3 mi. NE from Desert Center along road to Rice and Vidal Jct. 244 Comment
  RSA709117  Dicoria canescens Scott D. White, Justin M. Wood 2005-10-4 11237 Riverside San Gorgonio Pass: Cabazon: Smith Creek (a dry wash) at the foot of the San Jacinto Mtns., south of the I-10 Freeway and west of San Gorgonio River. 564 Comment
  SBBG8045  Dicoria canescens H. and M. Dearing 1940-11-10 5014 Riverside near Whitewater Comment
  UC1177917  Dicoria canescens S. Galen Smith 1948-1-1 344 Riverside 10 mi n Coachella Comment
  LA102182  Digitaria ischaemum John C. Roos; 1965-9-28 sn Riverside San Jacinto Comment
  UCR48475  Dimorphotheca sinuata Steve Boyd 1986-4-10 1640 B Riverside Peninsular Range, Gavilan Hills region, Temescal Canyon: Along DePalma Road between Indian Truck Trail & Horsethief Canyon, 1.0 mi east of the Indian Truck Trail exit of Hwy I-15. Comment
  SD137607  Diplacus aurantiacus Darin L. Banks, Steve Boyd 1995-6-2 558 Riverside Cleveland National Forest; Agua Tibia Wilderness area N face of N peak of Agua Tibia Mountain; on Woodchuck Trail N of the Riverside County boundary Ao mi S of clay grasslands 901 Comment
  CAS-BOT-BC152908  Diplacus brevipes R. Bacigalupi 1925-7-2 1242 Riverside On trail to Tahquitz Peak, San Jacinto Mts. 1767 Comment
  RSA0016056  Diplacus fremontii Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38096 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  RSA0019428  Diplacus fremontii H. M. Hall 1901-06 2049 Riverside In the vicinity of Chalk Hill. 1524 Comment
  CHSC26487  Diplacus puniceus James Henrickson 1970-4-10 4533 Riverside 8 air miles ESE of Temecula along Hy. 71-79. 542 Comment
  SEINET1906983  Diplotaxis muralis O. F. Clarke 2002-1 Riverside Riverside; UCR Botanical Garden. 351 Comment
  UCR239907  Diplotaxis muralis O. F. Clarke 2004-3-27 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UC129372 Image available Ditaxis californica H. M. Hall Apr, 1905 5796 Riverside 7 mi. w. Coachella; Colorado Desert, Marshall Canyon 30 Comment
  UCR100110  Ditaxis californica B. G. Pitzer 1997-10-19 3355 Riverside Sonoran (Colorado) Desert, north foot of Chuckwalla Mtns., Eagle Mtn. Road on south side of Hwy I-10, c. 0.8 mi. south of Hwy at powerline road 500 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
  JOTR37429  Ditaxis lanceolata La Doux, Tasha 2016-3-9 3664 Riverside Above Hayfield Dry Lake - Stop 3 524 Comment
  JEPS52443  Ditaxis serrata Marjorie D. Clary 1932-5-22 928 Riverside Hexie Mt. n side Colorado Desert Comment
  UCR33696  Ditaxis serrata Sears 1977-10-10 S 518 Riverside Sonoran (Colorado) Desert, 6.1 mi NE of Desert Center on Hwy 177 Comment
  SD260032  Dithyrea californica J. M. Andre 2013-3-27 24797 Riverside Rice Valley: east saide of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). Ric 7.5'Q 242 Comment
  RSA336066  Downingia bella R. F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 51983 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  CAS-BOT-BC41632  Draba corrugata var. saxosa Winifern W. Swarth 1914-9-14 s.n. Riverside San Jacinto Mountains. San Jacinto Peak. 3293 Comment
  CAS-BOT-BC41636  Draba corrugata var. saxosa A. Davidson 1896-7-1 s.n. Riverside Summit of San Jacinto Mountain. Comment
  RSA775294  Draba cuneifolia Duncan S. Bell, The Habitat Work Organization 2011-3-19 2063 Riverside West side of the Chuckwalla Mountains; north of Red Cloud Mine Road; approximately 1 air mile southwest of Lost Pony Mine. 599 Comment
  POM370050  Draba cuneifolia var. integrifolia W. M. Zabriskie 1973-2-16 113 Riverside Upper Pipistrelle Canyon, Deep Canyon drainage. N slope Santa Rosa Mrns. 762 Comment
  POM9754  Draba saxosa E. C. Jaeger 1921-6-20 s.n. Riverside San Jacinto Mts. 1 mile below Round Valley. Comment
  UCR273804  Dudleya Mitch Provance, Tom Thompson 2016-7-14 716- 26 Riverside San Jacinto Mountains, Dark Canyon, N Fork San Jacinto River, S side of Hwy. 243, below the Lawler Lodge 1618 Comment
  RSA192304  Dudleya edulis H. A. Zuill 1966-6-5 206 Riverside San Mateo Canyon about 13 miles SW of Murrieta Comment
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Feb 12 2013
  RSA586858  Dudleya lanceolata D. L. Banks, S. D. Boyd 1995-5-3 0277 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  UCR156282  Dudleya lanceolata T. B. Salvato, Kent Beaman 2005-5-16 826 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
  UCR252199  Dudleya lanceolata Marissa Manahan 2011-4-24 s.n. Riverside Mount Rubidoux Park, Riverside, near summit 381 Comment
  RSA397785  Dudleya saxosa subsp. aloides Jeannette B. Edge 1934-3-30 s.n. Riverside Whitewater. Comment
  SBBG95086  Dudleya saxosa subsp. saxosa B. Gaut 1989-5-25 Riverside N fork of the San Jacinto River where it crosses Hwy 74, E of Hemet 609 Comment
  UCR280930  Dysphania pumilio Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-23 517- 33 Riverside Temescal Valley, Temescal Valley, Indian Wash, SE side of Glen Eden Rd. at De Palma Rd. 372 Comment
  POM13288  Dyssodia porophylloides E. C. Jaeger 1921-04 1059 Riverside Cottonwood Mts. Comment
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Nov 6 2011
  SEINET8060016 Image available Echinocactus polycephalus var. polycephalus Michael Chamberl 1990-1-8 8 Riverside 1/4mi down Hayfield Rd. south of I-10 500 Comment
  SD217180  Echinochloa crus-galli Darin L. Banks, Lauren Raz 1996-8-29 1134 Riverside NW foothills of Dorland Mountain; along Los Caballos Road, approx. 0.5 meters south of Highway 79, 100 meters north of the Golf Course access road; along the east side of the road under the drip irrigation line to a vineyard (I(c) mile north of T8S R2W S24) 398 Comment
  UCR85593  Echinodorus berteroi Julie A. Greene, S. D. Boyd,, D. E. Bramlet, H. Flores, H. Ochoterana 1993-7-9 1414 Riverside San Jacinto Valley, San Jacinto Wildlife Area [northwest of Lakeview] 433 Comment
  UCR89823  Echinodorus berteroi Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  RSA444678  Eclipta prostrata J. C. Roos 1965-7-5 s.n. Riverside Thermal Airport. Comment
  UCR199669  Eclipta prostrata Scott D. White, Lynn Stafford 2007-6-27 11751 Riverside Chino Hills State Park, Santa Ana River floodplain just below Prado Dam 137 Comment
  RSA544439  Elatine brachysperma Steve Boyd, Timothy S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6346 Riverside Skunk Hollow Area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aqueduct. Comment
  SDSU21796  Elatine brachysperma Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3984 Riverside Santa Rosa Plateau Ecological Reserve. Across street from vernal pool trail, ca. 4 miles north on road from Visitor's Center. 636 Comment
  UC489191  Eleocharis acicularis C. V. Meyer 1928-7-27 566 Riverside Hidden Lake San Jacinto Mts. 2651 Comment
  RSA0099583  Eleocharis geniculata Duncan S. Bell 2015-8-12 8593 Riverside Orocopia Mountains; southwestern section of the range, collecting at a spring in the southern section of the Dos Palmas area. Temperature at around 120 degrees. -41 Comment
  POM181843  Eleocharis parishii H. M. Hall 1901-06 2013 Riverside East base of San Jacinto Mountains. Comment
  RSA714377  Eleocharis parishii T. B. Salvato, John Green 2004-5-27 605 Riverside Head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1402 Comment
  JOTR33781  Elymus elymoides subsp. elymoides La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2932 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast side of Quail Mountain; Steep, loamy, loose slopes just below the summit (stop 3) Comment
  UC38190  Elymus glaucus H. S. Yates June 1901 2207 Riverside San Jacinto Mountains; s side 1645 Comment
  UCR207342  Elymus repens O. F. Clarke 2004-5-17 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCR201644  Elymus triticoides Scott D. White, Justin M. Wood 2008-6-17 12180 Riverside San Jacinto Mountains, Garner Valley, USFS Kenworthy Station 1402 Comment
  UCR22186  Elymus triticoides E. W. Lathrop 1960-6-9 4943 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau; 14 miles west of Murrieta Comment
  POM10397  Emmenanthe penduliflora E. A. Zumbro 1905-05 s.n. Riverside Rubidoux Hill, Riverside. Comment
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May 22 2011
  RSA401451A  Emmenanthe penduliflora Ora M. Clark 1929-3-16 1722 Riverside N. of Whitewater. Comment
  RSA662568  Emmenanthe penduliflora P. Shirokawa 1998-5-15 28 Riverside Cleveland National Forest- Trabuco Ranger District, 0.3 miles from Ortega Highway (State Highway 74) on North Main Divide Road. 808 Comment
  UC217917  Emmenanthe penduliflora P. A. Munz, D. Keck 1922-4-13 4956 Riverside Eagle Mts.; Colorado Desert 213 Comment
  UC880684  Emmenanthe penduliflora C. L. Hitchcock 1940-4-1 5900 Riverside 1 mi below Cottonwood Springs; Joshua Tree National Monument Comment
  UCR25801  Emmenanthe penduliflora John C. Roos 1952-4-13 5534 Riverside N side of the Box Springs Mountains 457 Comment
  CAS-BOT-BC131159  Encelia actoni A. C. Sanders; N. Ferguson 1994-6-2 14624 Riverside San Jacinto Mountains: Bautista Canyon ca. 1 mile above the forest service boundary 850 Comment
  OBI5757  Encelia actoni Carl B. Wolf 1931-10-14 2458 Riverside Lower sonoran. Roadside at Cabezon, San Gorgonio Pass 518 Comment
  UCR133384  Encelia actoni Mitch Provance, J. S. Ross 1998-3-27 MOR- 1000 Riverside San Bernardino Mtns., Morongo Indian Reservation, road to Lion Cyn., c. 2.1 miles NE of Cabazon 549 Comment
  UCR101340  Encelia californica A. C. Sanders, N. Ferguson 1997-3-20 20066 Riverside Riverside area, March Air Force Base, west of Hwy 215 at west end of Cactus Ave., vicinity of former weapons storage facility 518 Comment
  SBBG8060  Encelia farinosa H. and M. Dearing 1939-12-31 4046 Riverside near Palm Springs Comment
  SEINET10958167  Encelia farinosa David B. Dunn 1946-2-22 Dunn 1969 Riverside Hidden Springs Canyon in the vicinity of the Palms. Comment
  JOTR34055  Encelia virginensis La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2954 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; loamy-gravel, steep, southeast facing slopes above Lost Horse Mine Trail Comment
  LA81891  Ephedra californica Robert F. Thorne; 1964-5-3 33851 Riverside near hwy ca 4 mi. S of Morongo Valley and ca 3 mi. S of San Bernandino Co. line Comment
  RSA339644  Ephedra californica Robert F. Thorne, C. W. Tilforth 1980-5-28 54240 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  RSA776572  Ephedra californica Amber Swanson 2011-4-8 370 Riverside Granite Mtns area E of Hwy 177 near jct 62. 423 Comment
  SD229018  Ephedra californica Dick Schwenkmeyer 2012-11-6 858 Riverside Palm Canyon, Ague Caliente Indian Reservation, 2.6 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 178 Comment
  RSA0048549  Ephedra nevadensis Elwood Fordham 1951-5-20 s.n. Riverside Palms to Pines Hi-way. 1158 Comment
  UCR131021  Ephedra trifurca Karen Kirtland 1998-11-6 s.n. Riverside Sonoran (Colorado) Desert, sand and gravel mine c. 8 miles (airline) north of Blythe, SW of Big Maria Mtns. on Midland Road 137 Comment
  UCR274797  Ephedra trifurca April Garbat, Kristin Forgrave 2013-4-30 068 B Riverside Sonoran (Colorado) Desert, Blythe-Rice Road, at the bottom of Rice Valley, c. 2 miles south of Hwy 62, south of the RR tracks 243 Comment
  RSA383822  Ephedra trifurca Albert J. Perkins 1895-05 s.n. Riverside Near Riverside Comment
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Apr 13 2014
  RSA787213  Epilobium angustifolium J. D. Olmsted 1959-7-18 766 Riverside N. fk. San Jacinto River drainage area. Dark Canyon above Hwy from Banning to Idyllwild (0.25 mi). 1723 Comment
  UCR138594  Epilobium canum subsp. canum D. L. Banks 1996-11-7 1216 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-BC171730  Epilobium canum subsp. latifolium R. J. Kessler 1921-10-1 1938 Riverside San Jacinto Mts. Comment
  OBI35626  Epilobium canum subsp. latifolium Louis B. Ziegler 1964-8-20 10 Riverside San Jacinto Mts-Old kenworthy district 1433 Comment
  RSA556500  Epilobium ciliatum Julie Greene 1993-4-3 1103 Riverside On raised wet area, west of dirt road. 445 Comment
  UCR193921  Epilobium densiflorum A. C. Sanders, Mitch Provance 2008-7-11 35788 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  RSA458733  Epilobium oregonense M. B. Dunkle 1933-7-22 3745 Riverside Tahquitz Valley. San Jacinto Mountains. 2317 Comment
  UCR19156  Epipactis gigantea John C. Roos 1948-5-15 3838 Riverside Sonoran (Colorado) Desert, Eagle Mtns., Lost Palms Canyon Comment
  RSA684604  Equisetum laevigatum Norman C. Cooper 1944-4-8 1054 Riverside Andreas Canyon 305 Comment
  UC810270  Equisetum laevigatum Crawford and Johnston 1917-6-9 1216 Riverside Santa Ana River near Corona Comment
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Jun 9 2011
  IRVC27429  Eragrostis barrelieri A. C. Sanders, S. Ogg 1994-7-28 15168 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  POM352237  Eragrostis cilianensis Anstruther Davidson 1904-5-11 1091 Riverside Palm Springs Comment
  SEINET10562598  Eragrostis cilianensis Steve Boyd 1989-7-9 Boyd 3770 Riverside Weeds in vegetable garden of house at 4863 Rubidoux Avenue. Comment
  POM267973  Eragrostis pectinacea E. Johnson 1943-10-29 s.n. Riverside Coachella. Comment
  UCD64456  Eragrostis pectinacea Collector Unknown 1949-8-1 Riverside Riverside County. Comment
  RSA570726  Eremocarpus setiger Steve Boyd, T. S. Ross, J. Travis Columbus 1993-10-23 8194 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, upper Morrell Canyon along Morgan Trail (5W02). 878 Comment
  SBBG6284  Eremocarya micrantha T. L. Secrest 1948-4-7 Riverside 2 mi S of Desert Hot Springs 213 Comment
  CAS-BOT-BC160058  Eremothera boothii subsp. condensata L. A. Greata 1905-4-1 432 Riverside Coachella Comment
  UCSB4374  Eremothera boothii subsp. condensata Atsatt, Pete 1958-3-22 Riverside 7 miles east of Desert Center, on highway 60 & 70, south side of hw Comment
  CLARK-A1528-3489  Eriastrum densifolium subsp. austromontanum John C. Roos 1943-5-23 2660 Riverside Little San Bernardino Mountains Comment
  UCR35046  Eriastrum densifolium subsp. densifolium L. B. Ziegler 1964-7-2 005 Riverside San Jacinto Mtns., Garner (Hemet) Valley 1402 Comment
  HSC101781  Eriastrum densifolium subsp. elongatum J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13183 Riverside Along Hwy. 74. 972 Comment
  RSA0118054  Eriastrum eremicum subsp. eremicum Sarah J. J. De Groot, Thomas Stoughton 2016-4-19 7800 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. 1230 Comment
  RSA0120089  Eriastrum eremicum subsp. eremicum Michael Wall 2008-4-26 454 Riverside Chuckwalla Mountains; Corn Springs wash at Corn Springs Rd. crossing ca. 8.0 miles SW of Chuckwalla Rd. 435 Comment
  SJSU8731  Eriastrum eremicum subsp. eremicum R. C. McGehee 1970-4-16 212 Riverside near N border of Chocolate Mts c. 22 mi W of Wiley Well Comment
  UC971781  Eriastrum eremicum subsp. eremicum H. K. Wagnon 1944-5-30 411 Riverside Corner of Indian Ave and Ramon Road, Palm Springs. Comment
  RSA0120100  Eriastrum eremicum subsp. eremicum P. A. Munz, P. C. Everett 1952-5-2 16257 Riverside 2 miles east of Garnet, Coachella Valley. 30 Comment
  RSA0121257  Eriastrum eremicum subsp. eremicum Robert Gustafson 1980-5-5 1572 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon wash. 610 Comment
  UCR228158  Eriastrum harwoodii Dave Silverman, Fred T. Sproul, Tammie Beyerl, Erin Bergman 2010-3-29 7875 Riverside Sonoran (Colorado) Desert, East end of Chuckwalla Valley, W of Blythe, 1.3 m S of gas line frontage, 1.9 km S of I-10 and 8.5 km west of Nicholl's Warm Spring 142 Comment
  UCR1202  Eriastrum sapphirinum Carol Chaney 1960-5-5 s.n. Riverside Banning, 0.1 mi. on San Gorgonio Ave., from intersection of San Gorgonio Ave. and Wesley St. On slopes of hill to right of road Comment
  UCR154634  Eriastrum sapphirinum A. C. Sanders, Mike Misenhelter 2005-6-15 30987 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  UCR49767  Eriastrum sapphirinum D. C. Hawks 1987-5-16 s.n. Riverside Terwilliger Valley, S of Anza, Terwilliger Road, 0.9 mi. south of intersection with Wellman Road 1189 Comment
  UC2062557  Eriastrum sapphirinum subsp. dasyanthum Sarah J. De Groot with Robert K. Lauri 2005-7-7 5113 Riverside Western San Jacinto Mountains: Along Chimney Flat Road/Old Control Road 5S08. Comment
  RSA0122011  Eriastrum sapphirinum subsp. dasyanthum Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3533 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  SEINET10424706 Image available Eriastrum sapphirinum subsp. dasyanthum Norman C. Cooper 1944-5-20 1297 Riverside Banning. 701 Comment
  CAS-BOT-BC515044  Eriastrum sapphirinum subsp. sapphirinum Winifern W. Swarth 1914-9-6 s.n. Riverside San Jacinto Mts., Strawberry Valley 1828 Comment
  RSA0122962  Eriastrum sapphirinum subsp. sapphirinum E. K. Balls, P. C. Everett 1957-8-20 22679 Riverside Along State Hwy. 74, SE of Hemet Reservoir, S end San Jacinto Mountains. 1357 Comment
  POM48888  Ericameria cuneata P. A. Munz, I. M. Johnston 1924-7-27 8743 Riverside Dark Canyon, San Jacinto Mountains 2134 Comment
  JEPS31355  Ericameria linearifolia W. L. Jepson 1901-5-20 1330 Riverside Thomas Valley Mt. San Jacinto Range, Thomas Valley Comment
  JOTR34130  Ericameria linearifolia Andre, Jim, T. La Doux, R. B. Kelley 2011-5-4 21091 Riverside Joshua Tree National Park. Long Canyon, upper watershed on east ridge, 1.1 miles south of radio tower, approx. 6 mi. south of town center of Yucca Valley 1206 Comment
  UCR85276  Ericameria linearifolia Bern Schwenn 1994-4-29 s.n. Riverside southern Mojave Desert, Joshua Tree National Monument, E side of Lost Horse Mtns, along old road between Indio & Lost Horse Well , south of California Riding & Hiking Trail. 1506 Comment
  POM10296  Ericameria palmeri var. pachylepis Mr Grout, S. Grout 1903-11 32 Riverside Rubidoux Comment
  CAS-BOT-BC299535  Ericameria paniculata J. C. Roos 1965-11-6 s.n. Riverside Whitewater 304 Comment
  JOTR33713  Ericameria paniculata La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1002 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains in Cottonwood Canyon; large active wash in rocky canyon along roadside east of Rte. 11 839 Comment
  UC577114  Ericameria paniculata Lewis S. Rose 1934-12-25 34496 Riverside 10 mi n Whitewater (T Cross K Ranch, Mission Canyon); Mission Canyon Comment
  UCR140875  Ericameria parishii Chris E. True, Laurel Salzman 2004-8-20 s.n. Riverside San Jacinto Mtns., c. 1 km south of Twin Pines Ranch on USFS Rd 3S08, between Azalea and Twin Pines Creeks 1157 Comment
  CAS-BOT-BC131639  Ericameria parishii var. parishii Edmund C. Jaeger 1923-6-24 s.n. Riverside East slope of San Jacinto Mtn. 2133 Comment
  SD5222  Ericameria pinifolia Unknown 1925-11-9 Riverside Dripping Spring Comment
  POM15211  Erigeron foliosus Mary F. Spencer 1922-6-21 1598 Riverside Fern Valley, Idyllwild, San Jacinto Mt 1829 Comment
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May 29 2011
  SEINET255646  Erigeron foliosus A. J. Breitung 1953-5-30 15286 Riverside Glen Ivy Hot Springs. Comment
  POM13854  Erigeron philadelphicus P. A. Munz 1922-4-28 5020 Riverside 5 miles NW of Corona. mall branch of Chino Creek. 198 Comment
  UCSB51409  Eriochloa aristata Roos, John 1965-9-26 Riverside Indio Comment
  POM292910A  Eriodictyon crassifolium Lyman Benson 1945-11-10 11911 Riverside 5 miles east of Temecula. 457 Comment
  RSA0034268  Eriogonum John F. Emmel 1982-11-10 836 Riverside Ramona Expressway, at south edge of the Bernasconi Hills, near Lake Perris. 487 Comment
  CAS-BOT-BC248624  Eriogonum apiculatum Louis C. Wheeler 1931-10-3 233 Riverside 1 1/2 mi. NW Tahquitz Peak, San Jacinto Mts. 1889 Comment
  SEINET6328738  Eriogonum apiculatum Michael Denslow, Firoozeh Navid- Ara, Valerie Soza 2003-7-15 1454 Riverside Peninsular Ranges; San Jacinto Mountains; East of Idyllwild, along South Ridge Road (5S11 Rd.) 1890 Comment
  JOTR29585  Eriogonum davidsonii Andre, Jim 2006-4-26 6764 Riverside Joshua Tree National Park. Long canyon, approx 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  CAS-BOT-BC256124  Eriogonum deflexum var. deflexum Ynez Whilton Winblad 1937-4-22 s.n. Riverside Box Canyon Comment
  RSA393270  Eriogonum deflexum var. deflexum N. C. Cooper 1949-4-8 3315 Riverside Desert Center. 610 Comment
  UC77768  Eriogonum deflexum var. deflexum C. R. Orcutt 1889-4-20 Riverside Colorado Desert Comment
  RSA413256  Eriogonum elongatum James C. Dice, J. D. Tenhunen 1987-9-9 722 Riverside Ca. 1.6 kilometers NNW of Royal Oak Ranch. 380 Comment
  UCR235218  Eriogonum fasciculatum subsp. polifolium A. C. Sanders, John F. Green 2012-6-1 40241 Riverside Peninsular Range; Perris-Aguanga Basin Region, powerline route south of Ethanac Rd. and north of McPherson Rd., near south end of Richland Ln., E of Hwy 74, c. 6.1 km SW (219 deg. ) of Perris 495 Comment
  RSA393431  Eriogonum fasciculatum var. foliolosum M. M. Thompson 1947-4-21 C 2058 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  CAS-BOT-BC250129  Eriogonum fasciculatum var. polifolium Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore Comment
  LA206785  Eriogonum fasciculatum var. polifolium A. M. Johnson; 1932-8-18 4133 Riverside San Jacinto Mountains, along road, down Banning side Comment
  RSA393338  Eriogonum fasciculatum var. polifolium E. Crow 1929-2-24 182 Riverside Andreas Mesa, near Palm Springs. Colorado Desert. Comment
  SD136782  Eriogonum gracile Steve Boyd 1994-10-14 8379 Riverside San mateo Canyon Wilderness Area of the Cleveland National Forest. Fisherman's Camp Trail (7S02) from Wildomar Road (7S01) west into Tenaja Canyon at its confluence with San Mateo Canyon, NW/4 sec 28 462 Comment
  UCR193976  Eriogonum gracile A. C. Sanders 2008-7-25 35911 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, along Bonita Vista Rd. at foot of hills 1580 Comment
  UCR280831  Eriogonum gracile T. B. Salvato, Gregg Miller 2005-6-3 1404 Riverside Peninsular Range; Perris-Aguanga Basin Region, edge of Gavilan Hills ca 3.5 mi SW of Perris, 1.4 mi SE of Steele Peak, and 0.5 mi NNW of Good Hope Mine, E of Hwy 74 534 Comment
  POM319088  Eriogonum gracile var. gracile Patricia Wilder 1971-9-29 5257 Riverside Base of the San Jacinto Mountains, east of Hemet on north side of Valle Vista at north end of Fairview Street, north of Florida Street; at boundary of Soboba Indian Reservation. 518 Comment
  SD136783  Eriogonum gracile var. gracile Steve Boyd 1994-10-14 8382 Riverside San Mateo Canyon Wilderness Area of the Cleveland Nartional Forest. San Mateo Canyon at the confluence with Bluewater Canyon 328 Comment
  RSA735605  Eriogonum gracile var. incultum LeRoy Gross, Duncan S. Bell 2008-9-16 3583 Riverside Garner Valley. West side of, and close to Highway 74. Around 1/4 mile north from Ramona trailhead parking area. 1365 Comment
  RSA78289  Eriogonum gracile var. incultum P. A. Munz, E. K. Balls 1952-8-21 17966 Riverside Hamilton Creek, s.e. part of San Jacinto Mts. 1372 Comment
  UCR102436  Eriogonum gracile var. incultum G. R. Ballmer 1991-6-22 s.n. Riverside San Jacinto Mtns., SE end of Garner Valley, on Pacific Crest Trail about 2-3 mi north of junction with Hwy 74; in vicinity of Bull Canyon Comment
  RSA20029  Eriogonum maculatum I. W. Clokey 1935-4-17 s.n. Riverside Cottonwood Springs. Comment
  CAS-BOT-BC270590  Eriogonum molestum Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  UC6360  Eriogonum molestum H. M. Hall July, 1901 2386 Riverside wooded slopes and benches of the s side San Jacinto Mountains San Jacinto Mountains 1615 Comment
  RSA5249  Eriogonum nudum var. pauciflorum Carl B. Wolf 1932-8-5 3986 Riverside Trail from Tahquitz Valley to San Jacinto Peak, San Jacinto Mountains. 2744 Comment
  CLARK-A1528-3686  Eriogonum parishii John C. Roos 1946-8-27 2921 Riverside Santa Rosa Mountains 2194 Comment
  RSA766164  Eriogonum pusillum Joseph A. Ewan 1929-3-23 179 Riverside Whitewater canyon, 457 Comment
  CAS-BOT-BC253015  Eriogonum reniforme Annie M. Alexander; Louise Kellogg 1941-5-28 2261 Riverside Metropolitan Aqueduct Road, east of Hayfield Comment
  RSA676036  Eriogonum reniforme Scott D. White 2001-4-11 8292 Riverside Sonoran Desert: Indio Hills foothills / Coachella Valley. Northern terminus f Rio Del Sol Road, about 2 miles north of Thousand Palms. 146 Comment
  CAS-BOT-BC263514  Eriogonum thomasii L. R. Abrams 1926-3-27 11120 Riverside Near Whitewater Comment
  SD174876  Eriogonum thomasii Mark A. Elvin 2005-4-26 4225 Riverside Coachella Valley; N of Agua Caliente Indian Reservation, N of Ramon St. 3km NW of thousand Palms 182 Comment
  UC1595720  Eriogonum thomasii W. Wisura, J. Dolan, M. Wall 1992-3-24 4617 Riverside on Box Canyon Rd. 4.7 mi ne Mecca Comment
  UC6366  Eriogonum thomasii C. R. Orcutt Apr. 1889 Riverside Colorado Desert Comment
  UCSB23769  Eriogonum thomasii Shaw, Merrilee 1964-4-5 Riverside State Highway 195; 7.3 miles northeast of junction with State Highway 111 at Mecca 106 Comment
  UC1618002  Eriogonum thurberi Donald G. Nelson 1936-5-22 384 Riverside on Pines-to Palms hwy at Ribbonwood Camp; San Jacinto Mts. 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
  UC64572  Eriogonum umbellatum var. munzii H. M. Hall 1901-7-17 Riverside Tauquitz Valley San Jacinto Mountains, Tauquitz Valley 1828 Comment
  RSA420618  Eriogonum wrightii var. membranaceum Kessler 1921-09 s.n. Riverside Mt. San Jacinto. Comment
  UC218231  Eriogonum wrightii var. membranaceum P. A. Munz 1922-9-6 6360 Riverside near Dark Canyon; San Jacinto Mts. 1524 Comment
  POM224889  Eriogonum wrightii var. nodosum P. A. Munz 1936-5-5 14593 Riverside Whitewater Creek, 2 miles north of main Hwy, northeastern corner of Coachella Valley. Comment
  RSA450253  Eriogonum wrightii var. nodosum J. C. Roos 1965-9-26 s.n. Riverside Rocky point near Palm Springs Station. Comment
  SBBG133379  Eriophyllum ambiguum var. paleaceum S. Boyd, A. Maurice, P. Lubinsky, L. Lubinsky 2003-4-17 10480 Riverside E side of mouth of Chino Cyn, along rd to Palm Springs Tram Station Comment
  POM318698  Eriophyllum confertiflorum Patricia Wilder 1968-7-5 4313 Riverside Trail near Idyllwild, San Bernardino National Forest. 1982 Comment
  UCR262564  Eriophyllum confertiflorum T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3757 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
  JEPS23547  Eriophyllum confertiflorum var. confertiflorum Peter H. Raven 1958-5-17 12937 Riverside 3.4 mi se Banning (on road to Idyllwild); San Jacinto Mountains Comment
  SDSU13043  Eriophyllum confertiflorum var. confertiflorum Janet M. Knotts, Jill Steinberg 1998-3-11 11 III1998C Riverside Ca. 1/4 mile along foot trail leading southeast from road, ca. 1/4 mile northeast of Santa Margarita (SDSU) Field Station, north of Santa Margarita River. 335 Comment
  UC668358  Eriophyllum confertiflorum var. confertiflorum Annie M. Alexander and Louise Kellogg 1941-4-24 2073 Riverside gorge of Dry Morongo Creek; Morongo Valley 640 Comment
  UC917903  Eriophyllum confertiflorum var. confertiflorum Frank W. Gould 1943-4-18 2150 Riverside 1 mi w Banning (in the foothills of the San Jacinto Mountains); San Jacinto Mountains Comment
  POM230230  Eriophyllum multicaule I. W. Clokey 1933-4-18 6987 Riverside Gavilan [Peak] 600 Comment
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Oct 30 2011
  SEINET8687403 Image available Eriophyllum multicaule I. W. Clokey 1935-4-18 6487 Riverside Gavilan 600 Comment
  CAS-BOT-BC296973  Eriophyllum wallacei W. P. Vestal; A. G. Vestal 1947-3-30 s.n. Riverside About 2 miles up San Jacinto Canyon 518 Comment
  POM358164  Eriophyllum wallacei Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  RSA49390  Eriophyllum wallacei P. A. Munz 1949-4-11 13023 Riverside Near Conejo Well, north base of Eagle Mts 915 Comment
  SEINET156053  Erodium cicutarium Norman C. Cooper 1944-3-24 993 Riverside Banning. 701 Comment
  UCR100442  Erodium cicutarium B. G. Pitzer 1997-4-20 3206 Riverside Lakeview Mtns, Approximately 50 ft. east of intersection of Stagecoach Road with Juniper Flat Road. 534 Comment
  RSA563891  Erodium moschatum Scott D. White 1993-4-20 1205 Riverside Estelle Peak, Gavilan Hills. 823 Comment
  SBBG122755  Eryngium aristulatum var. parishii A. Parikh 1990-5-14 170 Riverside Santa Rosa Plateau Ecological Reserve, NE part of Mesa de Burro, S of Miller Cyn, 3.3 km SSW of Murrieta 593 Comment
  CAS-BOT-BC54333  Erysimum capitatum Elizabeth McClintock 1965-6-25 s.n. Riverside Santa Rosa Mountain, a short distance below summit. Comment
  SD212732  Erythranthe guttata T. B. Salvato, John F. Green 2004-5-27 602 Riverside San Bernardino Mountains; head of Banning Canyon close to the San Bernardino County line, 0.5 mile southeast of Oak Glen Conservation Camp. 1402 Comment
  RSA0014883  Erythranthe primuloides J. D. Olmsted 1959-7-7 740 Riverside Skunk Cabbage Meadow, 5 mi. east of Idyllwild. Tahquitz Creek drainage area. 2409 Comment
  JEPS51743  Eschscholzia caespitosa L. M. Newlon 1922-4-3 438 Riverside Andreas Canyon San Jacinto Mts. Comment
  CLARK-A1656-727  Eschscholzia californica Alice Wilkinson 1981-3-14 Riverside Palm Springs Comment
  UCR214572  Eschscholzia californica A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37853 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.8 mi. north (09 deg. ) of intersection of I-15 and Lake St. 482 Comment
  SEINET10476378  Eschscholzia glyptosperma David B. Dunn, Dhogo; Schroeder, (UMO); Bruskin; A. Folsom 1948-3-14 Dunn 3754 Riverside Found in wash above quad 6. Indio hills, colorado desert. Near pushawalla. Comment
  CAS-BOT-BC83130  Eschscholzia minutiflora L. A. Greata 1901-1-1 423 Riverside Coachella. Comment
  LA46285  Eschscholzia minutiflora H. Lewis; 1949-3-26 610 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
  RSA776133  Eschscholzia minutiflora Duncan S. Bell, Amanda Turek 2010-4-10 810 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  SBBG23074  Eschscholzia minutiflora D. Myrick 1965-3-4 1074 Riverside Palms to Pines Hwy (St Hwy 74) 914 Comment
  SEINET9367865  Eschscholzia minutiflora Unknown 1976-5-3 Riverside Red Mountain Road. Comment
  SEINET10476297  Eschscholzia minutiflora David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2899 Riverside Pushawalla canyon biota. Indio hills. In wash. Comment
  JOTR37497  Eschscholzia parishii Hodges, Stephen R., L. Ashfield 2016-1-20 626 Riverside Joshua Tree National Park. Eagle Mountains, Black Eagle Mine road, northern edge of mountains near eastern park boundary (Stop 1). Comment
  UC724249  Eschscholzia parishii Aven and Ruth Nelson 1939-3-29 3320 Riverside near Palm grove; Hidden Spring Canyon Comment
  UCR88437  Eschscholzia parishii A. C. Sanders, K. C. Rose 1995-4-5 16356 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  UCSB33607  Eschscholzia parishii Simmons, Karen 1979-3-25 Riverside 8.8 miles south-west of Hwy. 10; on Box Canyon Road 30 Comment
  RSA709243  Eucalyptus A. C. Sanders, C. L. Sanders, O. F. Clarke, A. M. Boyce 1993-11-7 14220 Riverside Riverside, residential garden of Al M. Boyce, 266 Frost Court (E edge of UCR) 360 Comment
  SEINET1906763  Eucalyptus A. C. Sanders, O. F. Clarke, A. M. Boyce, C. L. Sanders 1993-1 14220 Riverside Riverside, residential garden of A1 M. Boyce, 266 Frost Court. 360 Comment
  UCR241781  Eucalyptus camaldulensis A. C. Sanders, Timothy W. Chumley 2013-3-29 40713 Riverside Peninsular Range; Elsinore Area, Alberhill, Lake St. at Riverside Co. conservation reserve, 0.28 km south of intersection with Temescal Canyon Rd. 378 Comment
  UCR51352  Eucalyptus camaldulensis S. J. Myers 1988-1-27 s.n. Riverside Partin Development, Nuevo Road and Foothill Avenue, c. 1.5 mi west of Nuevo 442 Comment
  OBI38361  Eucalyptus rudis Alden Kelly 1986-3-17 s.n. Riverside Edgemont area of Moreno Vallye, from planting along W side of hwy 215 at Eucalyptus Ave, row runs ca 1 mi along 215 457 Comment
  SEINET3091500 Image available Eucrypta chrysanthemifolia B. Pitzer, L. F. LaPre 1987-3-2 418 Riverside Peninsular Range; Bundy Canyon, 2 mi SE of Lake Elsinore, 0.5 mi north of Bundy Canyon Road, off Raciti Rd. Romoland 7.5 703 Comment
  UCR128565  Eucrypta chrysanthemifolia A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23906 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
  CLARK-A1528-2975  Eucrypta micrantha John C. Roos 1966-3-26 Riverside 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
  UCSB31595  Euonymus occidentalis subsp. parishii Griesel, Wesley 1962-6-29 Riverside Dark Canyon, San Jacinto Mts. 1920 Comment
  SEINET4691917  Euphorbia abramsiana Duncan S. Bell 2012-1 4176 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  UCR127148  Euphorbia albomarginata A. C. Sanders, Guy Bruyea 2003-6-12 26896 Riverside Perris-Aguanga Basin Region, Winchester, SE side of town between Simpson Ave. and Olive Ave., east of Hwy 79/Winchester Rd. 450 Comment
  RSA0002688  Euphorbia eremica W. L. Jepson 1914-5-23 6047 Riverside Conchilla Desert 61 Comment
  JOTR37439  Euphorbia eriantha Hodges, Stephen R., T. Hender 2015-12-30 561 Riverside Joshua Tree National Park. Pinto Basin, off of Black Eagle Mine road, then turning north up the park boundary 596 Comment
  SEINET10389831  Euphorbia micromera A. C. Sanders, Jim Malusa 2015-9-10 41851 Riverside Salt Creek Canyon, along Summit Road c. 1.5 miles above mouth of Red Canyon, edge of Chocolate Mountains Aerial Gunnery Range 433 Comment
  SEINET7704821 Image available Euphorbia polycarpa Nathan C. Taylor 2015-6-29 598 Riverside Along Hwy 177. 164 Comment
  UCR100877  Euphorbia polycarpa George K. Helmkamp, E. A. Helmkamp 1998-2-18 2696 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  UCR113225  Euphorbia polycarpa A. C. Sanders 1997-11-25 21623 Riverside Skinner/Domenigoni region, S of Hemet, Eastside Reservoir site, at N foot of eastern dam, E end of 'North Hills', c. 0.9 mi. NNE of site of Searl Ranch 530 Comment
  UCR57985  Euphorbia polycarpa J. M. Stewart 1989-9-17 600 Riverside Western Colorado Desert, Coachella Valley, Pushawalla Canyon, Indio Hills. Comment
  RSA0059013  Euphorbia polycarpa var. hirtella Edmund C. Jaeger 1939-12-3 s.n. Riverside Orocopia Mts. south of Hayfields Reservoir. 427 Comment
  UCR84060  Euphorbia prostrata A. C. Sanders, L. Ard 1994-7-11 15061 Riverside San Bernardino Mtns., Cherry Valley, irrigated landscaping at the Edward Dean Museum, Oak Glen Road, 1 mi north of Orchard St. 1000 Comment
  JOTR35986  Euphorbia setiloba Harding, Mitzi, Mark Wheeler 2012-9-4 197 Riverside Joshua Tree National Park. Pinto Basin; active wash between rocky/ gravelly hills west of Pinto Mtn (stop 3) 479 Comment
  POM4688  Euthamia occidentalis F. M. Reed 1904-11-5 380 Riverside Vicinity of Riverside Comment
  RSA561522  Euthamia occidentalis Steve Boyd, Timothy S. Ross, David E. Bramlet 1992-9-9 7674 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek., Up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  CAS-BOT-BC334203  Eysenhardtia O. F. Clarke 2010-1-29 s.n. Riverside Peninsular Range: Riverside. O.F. Clarke residence, 266 Frost Court, east edge of UCR campus 351 Comment
  RSA0081525  Fagonia laevis Marc A. Baker, Michelle Cloud-Hughes 2014-2-16 17931 Riverside Big Maria Mountains, along the Midland-Vidal Road, 12.5km WSW of Quien Sabe Point, 33km NNW of Blythe. 337 Comment
  RSA278974  Fagonia laevis Barry A. Prigge, L. Martinez 1978-3-23 2428 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  RSA645670  Fagonia laevis Scott D. White 1999-4-20 7274 Riverside Blythe Area: Southern foothills of the Big Maria Mts., northwest of Calif. Hwy. 95, ca. 7 road miles north of Interstate 10 / Intake Blvd. jtn. in Blythe. 91 Comment
  RSA651719  Fagonia laevis Viki Cruz 1983-5-8 19 Riverside one mile into Magnesia Canyon, Santa Rosa Mts. Comment
  RSA663918  Fagonia laevis C. R. Annable 1995-3-15 2279 Riverside 2.7km SW of Valerie on road to Martinez Canyon. Comment
  UCSB41544  Fagonia laevis Roos, John 1966-3-26 Riverside Rocky slopes 2 miles S.E. of Desert Center Comment
  CAS-BOT-BC293741  Fagonia pachyacantha Mona Bourell 1987-4-14 3277 Riverside BLM California Conservation Area, Hwy 195, spur off of Box Canyon. Near Mecca 150 Comment
  POM83354  Ferocactus cylindraceus var. cylindraceus Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  UCR2400  Festuca microstachys F. M. Reed 1920-7-14 4403 Riverside San Jacinto Mtns., Places about Idlywild 1646 Comment
  UCR213511  Festuca microstachys var. pauciflora A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37837 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, ridge west of dirt extension of Lake St., 0.9 mi. north (358 deg. ) of intersection of I-15 and Lake St. 488 Comment
  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
  RSA0120622  Festuca octoflora Duncan S. Bell, Thomas Stoughton 2016-3-15 8933 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; in the central part of the range, approximately 0.75 air mile east northeast from the summit of the range. 861 Comment
  UCD170918  Ficus palmata A. C. Sanders; R. E. Riefner Jr. 2009-8-11 37152 Riverside Peninsular Range, Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  UCR250906  Filago arizonica A. C. Sanders 2014-4-18 41021 Riverside Peninsular Range, Temescal Canyon, hills along De Palma Rd. between Indian Truck Trail and Horsethief Canyon roads, c. 100 m south of I-15 401 Comment
  RSA716822  Filago californica A. C. Sanders, Teresa B. Salvato, Mitch Provance 2003-4-4 25842 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  SEINET3082771 Image available Filago depressa O. F. Clarke 1973-4-1 Riverside Sonoran Desert, alluvial fan at S entrance to Joshua Tree National Monument, below Cottonwood Springs. Comment
  RSA343868  Filago gallica R. F. Thorne, Walter Wisura, E. W. Lathrop, Sara Meury 1985-5-18 60660 Riverside Santa Rosa Plateau: at edge of Cleveland National forest 610 Comment
  RSA613783  Filago gallica A. C. Sanders, P. Mackay, Tim C. Thomas, O. F. Clarke 1997-5-4 20661 Riverside San Jacinto Mtns: N side along hwy 243, 1.5 mile below Twin Pines Ranch Raod (McMullen Flat), N slope of peak 3740. 1067 Comment
  UCR274190  Filago gallica T. B. Salvato, Gregg Miller 2005-6-7 1436 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
  RSA586503  Filago gallica D. L. Banks, S. D. Boyd 1995-5-9 0334 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and 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. 732 Comment
  RSA336050  Fouquieria splendens Robert F. Thorne 1978-4-23 52049 Riverside Along Palms to Pines Highway, N slope of Santa Rosa Mts. Comment
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Apr 24 2011
  SFV17336  Fouquieria splendens subsp. splendens J. D. Dilley, J. N. Hogue (108.19) 1998-4-23 275 Riverside Sonoran Desert Chuckwalla Mountains. Corn Springs Wash at Corn Spring. 488 Comment
  SD229246  Frangula californica subsp. cuspidata Dick Schwenkmeyer 2012-4-17 693 Riverside Mt. San Jacinto: Vista Grande, 2 miles south of U.S. Forestry station on Highway 243 north of Idyllwild 1618 Comment
  UCR92241  Fraxinus dipetala Scott D. White 1994-3-29 1935 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  CLARK-A1703-81  Fritillaria biflora Sue Damon 1981-4-16 7 Riverside Gavilan Hills Comment
  RSA516888  Fritillaria biflora Steve Boyd 1986-3-1 1375 Riverside Gavilan Plateau, Gavilan Hills. 625 Comment
  POM126255  Funastrum hirtellum T. Craig 1927-4-2 4 Riverside Hidden Springs Canyon. Comment
  RSA0042855  Funastrum hirtellum Duncan S. Bell, LeRoy Gross 2014-3-20 6273 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  UC1478711  Galium andrewsii subsp. andrewsii C. W. Tilforth and B. Busenberg 1980-6-10 1983 Riverside s Lake Hemet (w of Hwy 74, along Thomas Mtn. Rd.) Comment
  SEINET237962  Galium angustifolium A. C. Sanders, T. B. Salvato 2000-5-25 23396 Riverside Menifee Valley: S of Newport Rd. N of Holland Rd. and E of Bradley Rd. 2 miles due east of Railroad Canyon Lake. 439 Comment
  UCR88734  Galium angustifolium A. C. Sanders 1995-4-13 16483 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
  RSA689701  Galium angustifolium subsp. jacinticum Valerie L. Soza, Naomi S. Fraga, Sarah Swartzentruber 2003-6-25 1709 Riverside Lake Fulmore; NW side of Lake. 1616 Comment
  POM284281  Galium porrigens Lyman D. Benson 1932-3-26 3179 Riverside Temecula Grade. Temecula Valley. 549 Comment
  UCR138808  Galium porrigens var. porrigens D. L. Banks, J. Moreno 1997-2-5 1252 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
  UCSB6259  Galium stellatum Haller, John 1960-4-2 Riverside Lower slopes of Orocopia Mountains 1.5 mi S of the junc. of U.S. highway 60-70 and the S entrance road to Joshua Tree Natl. Mon. 579 Comment
  JOTR29311  Galium stellatum var. eremicum La Doux, Tasha, Mike Bell 2006-5-17 1388 Riverside Joshua Tree National Park. East Deception Canyon Comment
  UC1417535  Galium stellatum var. eremicum J. L. Strother 1973-3-24 1158 Riverside above Chiriaco Summit; Joshua Tree National Monument, Lost Palms Canyon Comment
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Mar 26 2011
  UCR237512  Galium stellatum var. eremicum Amber Swanson 2011-3-18 213 Riverside Mojave Desert, near campsite off Corn Spring Road in Chuckwalla Mountains 575 Comment
  UCR120903  Gamochaeta pensylvanica A. C. Sanders 2002-3-20 24895 Riverside Sonoran (Colorado) Desert, Coachella Valley, city of Palm Springs, around offices of Agua Caliente Band of Cahuilla Indians, 650 E Tahquitz Canyon Way at Calle El Segundo 137 Comment
  RSA358584  Garrya flavescens Larry E. DeBuhr 1972-3-23 529 Riverside Santa Rosa Mountains. San Bernardino National Forest. Across the valley from Santa Rosa Springs on the south facing slope below TV transmitter station. 2317 Comment
  SBBG5336  Garrya flavescens H. and M. Dearing 1937-11-27 Riverside Santa Rosa Mtn Comment
  RSA23666  Garrya flavescens var. pallida Carl B. Wolf 1939-1-20 9486 Riverside Santa Ana Mts., East side, along Eagle Motor Way, 1 mi. below summit 915 Comment
  RSA577513  Garrya veatchii D. L. Banks, Steve D. Boyd 1995-1-18 42 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness. N slope of Agua Tibia Mnt., W of Wild Horse Peak, along the Dripping 963 Comment
  RSA748224  Garrya veatchii T. Scott, A. Townesmith, K. M. Meyer 2007-3-9 115 Riverside Cleveland National Forest. 0.8 mile down Woodridge Rd. in town of Oak Grove, at Oak Grove trailhead. 855 Comment
  UC303654  Garrya veatchii S. B. Parish 1918-4-3 11697 Riverside San Jacinto River Canyon; Oak Lodge 914 Comment
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Nov 20 2011
  UC729820  Gayophytum heterozygum Carl B. Wolf 1932-8-4 3912 Riverside near Idyllwild; San Jacinto Mts., Point View 1645 Comment
  RSA0012050  Gazania linearis Steve Boyd, Susan Jett 2008-3-20 11833 Riverside Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Hiway Vehicle Area. Comment
  UCR62112  Gazania longiscapa S. J. Myers 1989-7-7 s.n. Riverside Peninsular Range, c. 0.5 mi west of the confluence of Murrieta Creek and Santa Margarita River, c. 1.5 mi south of Temecula Comment
  UCR248028  Gelsemium sempervirens O. F. Clarke 2010-7-30 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 365 Comment
  JOTR35038  Geraea canescens La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3491 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road on south-facing bajada among sonoran desert riparian washes. Comment
  UC598733  Geraea canescens John Bright 1936-4-21 12552 Riverside n Palm Springs; Colorado Desert Comment
  UCR244730  Geraea canescens Jim Andre 2012-3-19 21347 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177, 8.6 mi. NE of junction with I-10 152 Comment
  UC17150  Geranium californicum H. M. Hall Jul 1901 2336 Riverside vicinity Deer Springs; San Jacinto Mountains 2743 Comment
  UCR174178  Gilia A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32572 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
  RSA525457  Gilia angelensis Steve Boyd, Dave Bramlet 1990-4-29 4502 Riverside Lake Skinner County Park, SE base of Bachelor Mountain. Comment
  RSA583612  Gilia angelensis Steve Boyd, Darin L. Banks 1995-3-30 8411 Riverside Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the western edge of the Dripping Springs Alcove in tributary of Kolb Creek just east of the old Woodchuck Truck Trail road grade, just south of the Wilderness boundary. 640 Comment
  UCR22023  Gilia australis Steve Boyd 1980-5-15 278 Riverside Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan plateau 625 Comment
  SD137683  Gilia diegensis Darin L. Banks, Steve Boyd 1995-5-3 280 Riverside Cleveland National Forest, Agua Tibia Wilderness area. N slope of Agua Tibia Mtn, E of the Dripping Springs Alcove area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  UC908040  Gilia latifolia Victor Duran 1935-4-18 Riverside near Indio (Curtis Palms); Curtis Palms -- near Indio Comment
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Dec 14 2011
  UCR86866  Gilia latifolia A. C. Sanders, K. C. Rose 1995-4-27 16742 Riverside Sonoran (Colorado) Desert, Coachella Valley, foot of the Little San Bernardino Mtns., canyon east of Fan Hill, just outside Joshua Tree Nat. Park 549 Comment
  CAS-BOT-BC407619  Gilia ochroleuca subsp. exilis Herbert L. Mason 1926-4-30 3112 Riverside Temecula Canyon, 1 mile S of Temecula Comment
  SD137682  Gilia ochroleuca subsp. exilis Darin L. Banks, Steve Boyd 1995-4-5 148 Riverside Agua Tibia Wilderness Area; north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove, west of the Dripping Springs Trail. 573 Comment
  UC23661  Gilia ochroleuca subsp. exilis H. M. Hall Jun, 1901 2060 Riverside exposed s slopes in the vicinity Chalk Hill; San Jacinto Mountains, vicinity Chalk Hill 1524 Comment
  UC737092  Gilia ochroleuca subsp. exilis Frank W. Gould 1943-4-17 2108 Riverside on Elsinore Road on sandy lowland flats 12 mi s Corona; s of Corona Comment
  UCR70863  Gilia splendens subsp. splendens I. W. Clokey, E. G. Anderson 1935-8-21 6827 Riverside San Jacinto Mtns., Keen Camp P.O. '1350 m 1463 Comment
  JOTR34200  Gilia stellata La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2992 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  RSA487535  Gilia stellata B. Pitzer 1988-3-10 660 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
  RSA67047  Gilia stellata Verne Grant, Alva Grant 1951-4-7 15986 Riverside Below Morongo Valley on road to White Water 732 Comment
  UC908852  Gilia stellata John Thomas Howell 1928-3-25 3541 Riverside Painted Canyon , Painted Canyon (Colorado Desert) Comment
  UCR88428  Gilia stellata A. C. Sanders, K. C. Rose 1995-4-5 16348 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  SD146072  Glinus lotoides A. C. Sanders, Mitch Provance 1999-9-26 23111 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 miles southeast of Jackrabbit Trail on Gilman Springs Road, 1.4 miles south of Eden Hot Spr 433 Comment
  UCR275511  Glyceria declinata D. E. Bramlet 2012-4-9 4994 Riverside San Gorgonio Pass, Banning, open fields south of Westward Ave. and east of Sunset Ave., west of 22nd St. 732 Comment
  JEPS102920  Gossypium armourianum Dick Persoff 1995-3-15 Riverside Palm Springs, ca. 1.5 mi S of jct of East Palm Canyon and South Palm Canyon Comment
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Sep 10 2008
  RSA478804  Grayia spinosa T. H. Holmes 1932-3-18 s.n. Riverside White Water, Palm Springs. Comment
  RSA430053  Guillenia lasiophylla Robert M. Perkins, H. de Forest 375 Riverside Out of Blyther to Rice. Comment
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Mar 3 2013
  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
  POM17513  Gutierrezia sarothrae P. A. Munz 1923-6-18 7125 Riverside 3 miles N of Lake Elsinore. 412 Comment
  RSA0104641  Gutierrezia sarothrae Duncan S. Bell 2014-11-14 7728 Riverside Santa Rosa Mountains; in the Santa Rosa Wilderness area; west side of Martinez Mountain; collecting at Cactus Spring. 1292 Comment
  RSA318860  Gutierrezia sarothrae M. A. Lane 1982-10-13 s.n Riverside 34.5 km/21.6 miles E of Kern Cam summit of the San Jacinto Mtns on Hwy 74. 1220 Comment
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Jul 14 2013
  SD51717  Gutierrezia sarothrae Otto T. Solbrig 1958-4-18 2760 Riverside 12.3 miles west of Aguanga on Highway 79 (mak 8/07) Comment
  SEINET2052364 Image available Gutierrezia serotina D. Gordon 1952-2-27 Riverside University of California, Riverside campus 396 Comment
  CAS-BOT-BC231104  Harpagonella palmeri Steve Boyd 1986-4-22 1767 Riverside Temescal Canyon: E side of Indian Wash, S of Interstate 15 Comment
  UCR217542  Harpagonella palmeri Diane Menuz 2008-3-6 371 Riverside Perris-Hemet Basin, Alberhill; in county-owned land just off Hwy 15 and Nichols Rd. 490 Comment
  RSA0066605  Harpagonella palmeri Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-19 3036 Riverside Vail Lake area, 0.5 mi WNW of dam, S flank Oak Mountain. 549 Comment
  RSA561507  Hazardia squarrosa var. grindelioides Steve Boyd, Tim Ross, D. Bramlet 1992-9-9 7667 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek., Up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  RSA357134  Helianthemum scoparium var. vulgare R. F. Thorne 1969-10-25 41853 Riverside N of San Bernardino National Forest: N of Boundary on Idlywild-Banning road Comment
  RSA651097  Helianthus annuus W. H. Grady 1948-2-24 s.n. Riverside Found 7 mi. west of Riverside. 243 Comment
  POM360004  Helianthus gracilentus N. C. Cooper 1947-6-9 C- 2803 Riverside Los Alamos Canyon, Elsinore 762 Comment
  UC217925  Helianthus gracilentus P. A. Munz 1922-6-25 5821 Riverside between Hemet Valley and Vandeventer; San Jacinto Mts. 1432 Comment
  UC284802  Helianthus gracilentus P. A. Munz 1923-6-14 7060 Riverside Glen Ivy trail to Santiago Peak; Santa Ana Mtns. 1219 Comment
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Apr 1 2013
  RSA793470  Heliotropium curassavicum Duncan S. Bell 2012-9-13 4192 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  UCR16101  Heliotropium curassavicum S. Nelson 1974-5-18 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, four mi. west of Murrieta on Tenaja Rd. 610 Comment
  UCR275275  Heliotropium curassavicum T. B. Salvato, Gregg Miller 2005-6-7 1459 Riverside Peninsular Range, Gavilan Hills, Lindell (Stovepipe) Road north of Snake Road, c. 4.5 miles north-northwest of Lake Elsinore 640 Comment
  RSA0013141  Heliotropium curassavicum var. oculatum LeRoy Gross, Caitlin Elam 2013-5-14 6067 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
  RSA618423  Hemizonia fasciculata D. L. Banks 1997-5-5 1952 Riverside NW Palomar Mountains, Agua Tibia Mountains: Northwestern foothills of Dorland Mountain, along Los Caballos Road, approximately 0.4 m south of Hwy. 79, 150 m north of Anza Road. Along the west side of the road in areas burned by the 1996 Temecula Fire. 390 Comment
  POM204504  Hemizonia kelloggii M. French Gilman 1934-7-8 s.n Riverside Banning Comment
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Mar 13 2011
  UCR128238  Hemizonia kelloggii A. C. Sanders, Kelly Volansky 2003-10-16 27348 Riverside Moreno Valley, lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  UCR158258  Hemizonia kelloggii A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30105 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
  UCR22159  Hemizonia kelloggii Steve Boyd 1980-5-11 256 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  UCR235082  Hemizonia kelloggii A. C. Sanders, John F. Green 2012-6-1 40231 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, south of I-15 between Horsethief Cyn. Rd. and Hostettler Rd. 368 Comment
  UCR127561  Hemizonia paniculata A. C. Sanders, T. B. Salvato 2003-5-21 26787 Riverside Elsinore Valley, Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  RSA691952  Hemizonia pungens subsp. laevis Scott D. White, Michael Honer 2003-4-9 8966 Riverside Hemet Area: Northeast corner of Devonshire Ave. and Warren Road, immediately southwest of 'Tres Cerritos.' Former chicken farm. 473 Comment
  UCR230882  Hemizonia pungens subsp. laevis Jeremiah George 2011-7-15 s.n. Riverside Peninsular Range; Elsinore Trough, Lake Elsinore, southwest of corner of Pasadena and 3rd St. 385 Comment
  UCR89822  Hemizonia pungens subsp. pungens Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  UCR213275  Hesperocallis undulata A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37428 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, lower part of wash c. 2.5-3 mi. NW of Blythe Airport, above Black Creek Rd. 171 Comment
  UCR174447  Hesperolinon micranthum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32507 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
  UCR193297  Heterocodon rariflorum A. C. Sanders, Tim Thomas 2008-6-20 35545 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  UCR150241  Heterotheca grandiflora John F. Green 2005-2-14 s.n. Riverside Moreno Valley, Lasselle St. at Ironwood Ave., N of the 60 Fwy 564 Comment
  UCR194221  Heterotheca grandiflora Scott D. White, Angelia Carey 2004-6-4 10469 Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  RSA0075882  Heterotheca grandiflora N. C. Cooper 1943-9-11 901 Riverside Banning 610 Comment
  RSA0075883  Heterotheca grandiflora N. C. Cooper 1943-9-26 927 Riverside Cabazon. 549 Comment
  UCR118214  Heterotheca subaxillaris Mitch Provance 1999-9-23 1680 B Riverside Riverside, UCR Campus, planter on the NE side of Boyce Hall 335 Comment
  CAS-BOT-BC203346  Hibiscus denudatus A. Davidson 1893-1-1 s.n. Riverside Palm Springs, Colorado Desert Comment
  CHSC27880  Hibiscus denudatus Mike Cecchini 1978-3-24 4 Riverside Palm Springs. Medium population, ca. 200 m s of Palm Canyon Wash and 5 m ne of the Broadmoor Dr. water tank, 3 km se of Palm Springs Municipal Airport. 315 Comment
  SD258840  Hilaria rigida Sarah J. De Groot, Duncan S. Bell, LeRoy Gross 2016-2-17 7607 Riverside Santa Rosa Mountains; slide off east side of Martinez Mountain, north of Toro Canyon, south of La Quinta, southwest of Thermal and Coachella. 110 Comment
  UCR2458  Hilaria rigida F. M. Reed 1920-3-24 4286 Riverside Sonoran (Colorado) Desert, Morongo Pass near Whitewater Station 457 Comment
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Oct 1 2011
  CDA27091  Hoffmannseggia glauca T. C. Fuller 1964-4-14 11813 Riverside Northwest corner of Highway 111 & Avenue 52, Coachella. 0 Comment
  POM193292  Hoffmannseggia glauca Marcus E. Jones 1929-9-16 s.n. Riverside East of Desert Center. Comment
  CAS-BOT-BC207568  Hoffmannseggia microphylla B. D. Stark 1931-4-27 1091 -seed Riverside Hidden Springs Canyon, 8 1/2 miles from Mecca, Colorado Desert 6 Comment
  RSA0125269  Hoffmannseggia microphylla Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8757 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting on the Martinez Slide to the north of Toro Canyon, approximately 4.5 air miles east northeast of the summit of Martinez Mountain. 230 Comment
  SBBG68865  Hoffmannseggia microphylla L. Rowntree -May-1930 Riverside Fish Traps, Colorado Desert Comment
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Feb 3 2011
  RSA668426  Hofmeisteria pluriseta S. Granger 1979-2-13 s.n. Riverside Chuckawalla Mountains. Comment
  RSA388402  Holocarpha virgata subsp. elongata R. F. Thorne, Steve Boyd, E. W. Lathrop 1985-7-18 61185 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  RSA449810  Holodiscus microphyllus Louis C. Wheeler 1931-10-3 240 Riverside North side of Tahquitz Peak 2622 Comment
  SD262165  Hordeum depressum Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-10 417 84 Riverside Elsinore Trough: Baker St., 0.05 - 0.15 miles SE of Pierce St. Disturbed area. 384 Comment
  UCR91887  Hordeum murinum A. C. Sanders, K. D. Jones, D. Malueg 1996-4-20 18043 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  SBBG87467  Hordeum murinum subsp. leporinum A. C. Sanders with D. Charlton, B. Pitzer 1986-3-1 6035 Riverside NW end of Hayfield Lake, ca. 0.5 mi SW of the pumping station 1350 Comment
  HSC10209  Hordeum murinum subsp. murinum C. L. Hitchcock, C. V. Muhlick 1961-3-17 23083 Riverside 8 mi. SE of Corona, along road to Elsinore Comment
  CAS-BOT-BC148571  Horkelia clevelandii Carl B. Wolf 1932-8-4 3927 Riverside Strawberry Valley, 1 1/2 mi. from Idyllwild on road to Binning - San Jacinto Mts. 1706 Comment
  UCR220297  Horsfordia alata Dave Goodward 2005-2-27 s.n. Riverside Peninsular Range, Toro Canyon 366 Comment
  RSA0123111  Horsfordia newberryi Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9018 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
  RSA0054880  Hugelia filifolia Keith E. Hoffmaster 1937-6-6 757 Riverside Near Valle Vista, Hemet Valley. Comment
  RSA695584  Hulsea brevifolia Keith E. Hoffmaster 1937-6-6 782 Riverside San Jacinto Mountains. Comment
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2
  LA203774  Hulsea vestita subsp. callicarpha Robert G. Engman; sn Riverside San Jacinto Mountains Comment
  SEINET480191  Hulsea vestita subsp. callicarpha D. Wilken 1969-6-30 Riverside Along road to Toro Peak, 5.9 miles south of California State Hwy 74, Santa Rosa Mountains Comment
  UCSB26737  Hulsea vestita subsp. callicarpha Wilken, Dieter 1969-6-30 Riverside Riverside County Road R1, at junction of Dark canyon Road, 5 miles northeast of Idyllwild, San Jacinto Mtns. 1524 Comment
  JEPS17477  Hydrocotyle umbellata W. L. Jepson 1901-6-1 1583 a Riverside Riverside Comment
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Feb 2 2013
  RSA0106699  Hymenoclea salsola Duncan S. Bell, Thomas Stoughton 2010-3-19 568 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2.25 air miles west of Priest Well. 439 Comment
  CAS-BOT-BC219729  Hyptis emoryi L. S. Rose 1927-2-3 s.n. Riverside Palm Springs Comment
  CAS-BOT-BC219730  Hyptis emoryi Nancy Ryan Zabriskie 1970-4-27 284 Riverside Outside inner gate of Andreas Canyon Club, near Palm Springs 7 Comment
  CAS-BOT-BC219769  Hyptis emoryi E. Braunton 1929-1-1 1023 Riverside Painted Canyon, Mecca 45 Comment
  RSA1268  Hyptis emoryi B. D. Stark 1930-4-1 1498 Riverside Near Cathedral City. Comment
  SFV21859  Hyptis emoryi J. R. Pucci 2001-4-7 9 Riverside San Jacinto Mountains Chino Canyon. Along abandoned road off north side of Tramway Road, 2 miles west of Highway 111. 425 Comment
  UC1714392  Hyptis emoryi C. Epling 1935-3-23 Riverside near Mecca (Painted Canyon); Painted Canyon Comment
  UCR147740  Hyptis emoryi Steve Boyd, Tammy Morgan, Aydee Virgen, S. DeGroot, V. Arvizu, T. Thibault 2004-5-14 11220 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  UCR96199  Hyptis emoryi B. G. Pitzer 1996-11-9 2923 Riverside Sonoran (Colorado) Desert, Orocopia Mtns: Bob's Cabin, c. 4 road mi. north of Salt Creek Road (on SR211) & 4.5 air mi. south of the W end of Hayfield Lake. 610 Comment
  UCSB45914  Isocoma acradenia Clarke, Oscar 1969-11-10 Riverside Near Whitewater on Hwy. 111, 2 miles southeast of the point where it merges into Interstate Hwy. 10 at Verbenia Ave. Comment
  UC1929839  Isocoma menziesii var. vernonioides Scott D. White, Angelia Carey and Linda Archa 2004-8-5 10667 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation. Comment
  SEINET10802585  Isomeris J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12831 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then a few kilometers on Whitewater Canyon Road to where it comes closest to the river. Comment
  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
  CAS-BOT-BC133230  Juglans californica D. E. Bramlet 2003-5-28 3454 Riverside San Gorgonio wash, along dirt road to MWD tailings site. The site is 1768m south of Cabazon, and 762m north of the Colorado aqueduct 535 Comment
  UCR174258  Juncus balticus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32677 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
  CDA32302  Juncus bufonius D. Domenigoni 2000-3-28 PDR 1243980 Riverside Southern California; West Coast Turf, Winchester Rd. Winchester, CA. 0 Comment
  RSA368165  Juncus bufonius N. C. Cooper 1944-5-6 2636 Riverside Whitewater Canyon. 457 Comment
  UC1792802  Juncus bufonius A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30091 Riverside Peninsular Range, Agua Tibia Mountains: UC Emerson Oaks Reserve, ca. 8 miles southeast of Temecula, S of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 457 Comment
  UCR266499  Juncus bufonius Mitch Provance, Matt Amalong 2015-4-6 415- 15 Riverside Temecula/Murrieta Region, About 0.5 mile SW of Winchester, along Leon Rd., near its SW corner with Domenigoni Parkway 444 Comment
  UCSB26799  Juncus bufonius var. bufonius Wilken, Dieter 1969-6-30 Riverside California State Highway 74; 0.5 miles west of Keen Camp Summit; San Jacinto Mtns Comment
  JEPS66951  Juncus cooperi S. B. Parish 1912-10-10 8382 Riverside Dos Palmas Colorado Desert, Salton Basin 0 Comment
  RSA293328  Juncus dubius C. W. Tilforth, Walter Wisura 1981-7-10 2114 Riverside South leg of Red Mountain loop, east of Highway R3, south of Hemet. Comment
  UCR21175  Juncus macrophyllus 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
  UCR89810  Juncus macrophyllus Scott D. White 1993-5-27 1413 Riverside North Alberhill Ranch, hills north of Walker Canyon 488 Comment
  UCR21886  Juncus mexicanus Steve Boyd 1980-7-16 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, west edge of the reserve c. 1/4 mile north of the Motte's house 520 Comment
  UC70341  Juncus oxymeris H. M. Hall 1901-7-23 2543 Riverside n side tributary of Snow Creek; San Jacinto Mountains 1767 Comment
  UCR125764  Juncus textilis A. C. Sanders, Lowell J. Bean, Pesach Lubinsky, et al 2003-1-10 25659 Riverside San Jacinto Mountains, Bautista Canyon, c. 3/4 mile above the Horse Canyon confluence, near beginning of Alessandro Trail 884 Comment
  RSA559352  Juncus tiehmii Steve Boyd 1992-5-15 7390 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. 671 Comment
  UCR193287  Juncus tiehmii A. C. Sanders, Tim Thomas 2008-6-20 35547 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  CAS-BOT-BC85413  Juniperus californica B. D. Stark 1932-6-17 3749 Riverside Colorado Desert. Eagle Mts., Canyon above Cottonwood Springs 411 Comment
  JOTR32146  Juniperus californica La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2302 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  LA6546  Juniperus californica Elizabeth McClintock; April 1938 sn Riverside Between Perris & Elsinore Comment
  RSA598424  Juniperus californica F. C. Vasek 1963-3-31 630331 -3 Riverside Small valley in a canyon just south of highest peak in Coxcomb Mountains. 1067 Comment
  UCD133743  Juniperus californica Jo Ann Olson; Gary R. Robbins 1969-3-29 19 Riverside Pinyon Flat Campground, San Bernardino National Forest, 16 miles southwest of Palm Desert. 1226 Comment
  RSA782280  Justicia californica R. W. Spjut 2008-2-29 16210 Riverside Sonoran Desert. BLM: Red Cloud Road just west of Desert Center, about 8 miles SE of I-10 along Red Cloud Road, Chuckwalla Bench 570 Comment
  UC1039797  Justicia californica Herbert L. Mason 1928-3-11 4251 Riverside Palm Springs Comment
  UCR172761  Keckiella antirrhinoides Abby Sirulnik, Ian G. Gillespie 2000-5-14 50 Riverside Peninsular Ranges; Santa Ana Mtn. Foothills, Temescal Canyon. Indian Truck Road exit off of Interstate 15, c. 0.9 mi. S on De Palma Road 427 Comment
  SEINET3079370 Image available Keckiella antirrhinoides subsp. microphylla Howard Scott Gentry 1947-4-20 7640 Riverside Gentry Farm, 3 miles NE of Murrieta 396 Comment
  NY786709  Keckiella antirrhinoides var. antirrhinoides C. C. Parry 1876-1 301 Riverside Comment
  RSA597081  Keckiella cordifolia D. L. Banks, Elizabeth Hedge Banks, John B. Hedge 1996-6-6 1119 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, SW side of the Water Storage tank., 100 m N of the road junction between the main Preserve Road and the road to the Emerson Cottage. 457 Comment
  UC729831  Keckiella rothrockii var. jacintensis Carl B. Wolf 1932-8-5 Riverside trail from Idyllwild to Tahquitz Valley; San Jacinto Mts., Summit of Devil's Slide 2438 Comment
  NY790419  Keckiella ternata subsp. ternata G. D. Wallace 1966-7-3 647 Riverside San Jacinto Mountains, near Idyllwild Comment
  RSA0019433  Keckiella ternata subsp. ternata Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  RSA0019432  Keckiella ternata subsp. ternata Bonnie C. Templeton 1953-7-26 s.n. Riverside Idyllwild. 1646 Comment
  RSA792473  Koeberlinia spinosa var. tenuispina Justin M. Wood, Dustin Ray 2011-4-28 3835 Riverside Sonoran Desert: Chuckwalla Valley: 6.5 miles north of Desert Center on Kaiser Road, +/- 0.4 miles northeast of bend in road. 202 Comment
  UCR112073  Koeleria gerardi Mitch Provance 1998-3-20 174 B Riverside Riverside area, Jurupa Mtns., pass west of Rattlesnake Mtn., along the east side of Armstrong Rd., c. 1/8 mi. south of the San Bernardino Co. line 313 Comment
  UCR24950  Koeleria macrantha A. C. Sanders 1980-7-18 1649 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  RSA0023271  Krameria bicolor Robert F. Thorne 1966-10-15 41782 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  RSA409440  Krameria erecta George B. Grant 1906-05 6786 Riverside Palm Springs Comment
  RSA339622  Krameria grayi Robert F. Thorne 1980-5-28 54163 Riverside San Bernardino Mountains, dry, Colorado Desert slopes, S-facing and W-facing, N-S rocky ridge at E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 miles E of Whitewater Post Office. Comment
  RSA408599  Krameria grayi Robert Gustafson 1980-5-5 1570 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon wash. 610 Comment
  UCR247428  Lamium amplexicaule Mike Lahti 2008-3-10 s.n. Riverside San Jacinto, 950 N. Ramona Blvd. Comment
  UCR248523  Langloisia schottii C. P. Cowan 1978-4-23 1215 Riverside Peninsular Range; Santa Rosa Mtns., 12.1 miles (19.2 km) south of Hwy 74 from junction with Hwy 111 at Indian Wells. Whittaker transect #W-220 950 Comment
  UCR279602  Langloisia setosissima subsp. setosissima A. C. Sanders, Jim Malusa 2017-3-28 43166 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
  CAS-BOT-BC171125  Larrea tridentata Catherine A. Toschi 1963-4-13 63 :131 Riverside Boyd Desert Research Center, 5 miles south Palm Desert 304 Comment
  CHSC104026  Larrea tridentata Steve Boyd; T. Morgan, A. Virgen, S. DeGroot, V. Arvizu,T. Thibault 2004-5-14 11236 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains regions: Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  POM8310  Larrea tridentata Mary F. Spencer 1920-4-9 223 Riverside In desert sand. Palm Springs. 122 Comment
  UCR100085  Larrea tridentata R. G. Swinney 1967-2-4 158 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 335 Comment
  SEINET10406508 Image available Larrea tridentata G. B. Grant 1906-5-1 229 -6724 Riverside Colorado desert at Palm Springs, southern California Comment
  RSA594128  Lastarriaea coriacea D. L. Banks, Victor W. Steinmann 1996-4-20 0907 B Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along trail to the W, approx. 50 m S of the gate to the Reserve. 451 Comment
  RSA563928  Lasthenia californica M. A. Patten 1993-3-20 s.n. Riverside SW edge of Hemet, vernal pools at the NW corner of Warren Rd. and Stetson Rd., adjacent to Ryan Field. 457 Comment
  SEINET7063239  Lasthenia californica A. G. Vestal 1963-5-19 s.n. Riverside Among granite boulders 0.9 miles west of Radec on Route 79 [old 71]. UTM Zone 11, 506657mE, 3703091mN. (WGS84/NAD83). 491 Comment
  CAS-BOT-BC353283  Lasthenia coronaria H. M. Hall 1903-3-1 3847 Riverside Reche Canon Comment
  SD130360  Lasthenia coronaria Ed LaRue 1990-4-13 Riverside 0.5 mile northwest of Aguanga, north of Highway 79 and west of Highway 371. 640 Comment
  UC34691  Lasthenia coronaria Geo. R. Hall 1901-5-17 1675 Riverside Riverside Comment
  POM157896  Lasthenia glabrata subsp. coulteri P. A. Munz 1927-5-21 10894 Riverside Coahuila Valley. 1372 Comment
  HSC5141  Lasthenia gracilis R. A. Eagle 1963-4-8 9 Riverside San Jacinto Mtns.; Idyllwild-Banning Rd. Comment
  UC1536905  Lasthenia gracilis G. H. True 1935-3-19 132 Riverside 6 mi se Perris 487 Comment
  UCR117217  Lasthenia gracilis B. G. Pitzer 2000-4-20 4125 Riverside Mead Valley, Air Force property bordering Nandina Road, across from (N of) the T-intersection with Brown Street. 515 Comment
  UCR224454  Lasthenia gracilis A. C. Sanders, T. B. Salvato 2011-3-28 38806 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-215 Fwy 434 Comment
  RSA406615  Lathyrus vestitus Anstruther Davidson 1920-05 s.n. Riverside Temescal Comment
  RSA524236  Lathyrus vestitus var. alefeldii Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3996 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  SD227754  Layia glandulosa A. C. Sanders 1994-5-29 14573 Riverside San Bernardino Mountains: East Branch Millard Canyon, along FS Road 4S45 1200 Comment
  CAS-BOT-BC379665  Layia platyglossa T. Winfield 1975-4-9 2413 Riverside Sugarloaf Mt. - Riverside Comment
  UC50334  Layia platyglossa H. M. Hall 1903-4-1 3981 Riverside vicinity Riverside 365 Comment
  UCR214133  Layia platyglossa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37737 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  UCSB17220  Layia platyglossa Gerhart, Janet 1963-5-5 Riverside Hemet Meadow, 1.3 miles south of Hurkey Creek Campground on California Highway 74 1341 Comment
  CAS-BOT-BC534384  Lemna gibba G. R. Kleeberger 1878-12-29 s.n. Riverside Temescal Comment
  UCR126389  Lepechinia cardiophylla E. W. Lathrop 1973-6-28 7440 Riverside Santa Ana Mtns., Main Divide Truck Trail between El Cariso and Santiago Peak, Cleveland National Forest 1220 Comment
  UCR113898  Lepidium chalepense Mitch Provance 1998-4-13 430 Riverside City of Riverside, Vacant lot on Arlington Ave., between Hillside and Phoenix. 232 Comment
  SEINET6056432  Lepidium dictyotum Unknown 1996-4-19 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  UCR49239  Lepidium dictyotum var. dictyotum Steve Boyd 1986-4-2 1623 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  GMDRC3750  Lepidium fremontii var. fremontii J. Andre, T. La Doux 2009-3-1 11247 Riverside Little San Bernardino Mountains: Joshua Tree Natl. Park: south end of the Cottonwood Mtns near Pinkham Wash just N. of aquaduct just inside JTNP boundary, approx 7 mi. W. of S. entrance into park at Cottonwood. USGS 7.5 min. Quad: Cottonwood Basin 33 deg. 40.948' N 115 deg. 52.141' W. Elev. 1778 ft. 542 Comment
  JOTR32155  Lepidium fremontii var. fremontii La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2309 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy wash in wide canyon that feeds southwest into Wilson Canyon, with gneiss outcrops on either side of canyon (Stop 5) Comment
  CLARK-A1528-356  Lepidium lasiocarpum Charlotte Stocks 1964-4-8 Riverside Coachella Valley Comment
  UCR116598  Lepidium lasiocarpum A. C. Sanders 2001-4-8 23988 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic Ave., north of flood control ditch 348 Comment
  JOTR35506  Lepidium lasiocarpum var. lasiocarpum La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3193 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Smithwater Canyon, below steep rock wall at bend in canyon (Biodiversity Hunt stop3) 1241 Comment
  UCR68503  Lepidium latifolium Chet McGaugh 1991-6-20 91- 01 Riverside Peninsular Range, Murrieta Hot Springs Area: c. 1 mi east of Hwy I-215, south of and adjacent to Murrieta Hot Springs Road 348 Comment
  CAS-BOT-BC257783  Lepidium latipes A. C. Sanders; T. B. Salvato 2011-4-4 38971 Riverside Peninsular Range: Warm Springs Valley, 0.4 mi. WNW (276 deg. ) of intersection of Collier Ave. & Riverside Dr./Hwy 74, NE of Baker St. 387 Comment
  RSA711842  Lepidium nitidum A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25833 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  UCR167863  Lepidium virginicum T. B. Salvato, John F. Green 2004-5-27 645 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
  UCR242674  Lepidium virginicum subsp. menziesii A. C. Sanders 2013-7-6 40839 Riverside Peninsular Range; San Jacinto Mountains, Idyllwild, SE part of town near Saunders Meadow, west end of Tahquitz View Dr. toward Crestview Dr. 1707 Comment
  UCR181623  Lepidium virginicum var. robinsonii Mitch Provance 2004-4-18 7600 Riverside Granitic Knolls of Riverside, Riverside, Versity Hill (Coyote Hill), south side of the UCR campus 418 Comment
  OBI48834  Lepidospartum squamatum Lewis S. Rose 1938-12-20 38331 Riverside 3 mi SE of Palm Springs Station, Whitewater wash 274 Comment
  SD60290  Lepidospartum squamatum Carl B. Wolf 1932-10-11 4269 Riverside Mouth of Whitewater Wash. 305 Comment
  SEINET3147931  Lepidospartum squamatum L. S. Rose 1938-12-20 38332 Riverside 3 mi. SE of Palm Springs Station, Whitewater Wash 274 Comment
  UCR24007  Leptochloa filiformis John C. Roos 1958-9-28 s.n. Riverside Sonoran (Colorado) Desert, Coachella Comment
  SACT001409  Leptochloa uninervia Philip Munz, J. Johnston 1928-9-12 Riverside Common on sandy alkali flat. Comment
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Aug 22 2013
  SEINET3829011  Leptochloa uninervia Steve Boyd, Orlando Mistretta 1992-1 7050 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Creek from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 244 Comment
  UC1018188  Leptodactylon californicum J. Warren 1952-3-16 Riverside summit Ortega Highway; summit of Ortega Highway 762 Comment
  UCR119861  Leptodactylon jaegeri Heidi West, Lisa Fields 2000-7-19 s.n. Riverside San Jacinto Mtns., NNW and N sides of Divide Peak, c. 2.15 air mi. SE of San Jacinto Peak 2820 Comment
  CAS-BOT-BC227030  Leptosiphon floribundus subsp. floribundus H. M. Hall 1897-8-1 1760 Riverside Santa Rosa Mt. S. of Palm Springs Comment
  RSA26971  Lesquerella tenella C. L. Hitchcock 1940-3-31 5881 Riverside 0.5 mile below Cottonwood Springs Comment
  RSA444555  Lesquerella tenella W. Wisura 1988-3-1 4199 Riverside 1.8 mile along Black Eagle Mine Road, Joshua Tree National Monument Comment
  UCR41532  Lesquerella tenella A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6057 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south side of Chuckwalla Mtns, on Bradshaw Road c. 2 miles east of gasline road 642 Comment
  UCR113192  Lessingia filaginifolia A. C. Sanders 1998-1-15 21631 Riverside Lake Skinner area, Black Mtn., along road up north side 884 Comment
  UC1287414  Lessingia glandulifera var. glandulifera Willard Spence 1960-8-24 582 Riverside 8 mi sw of Anza Road to Agaunga; Cahwilla Valley 1371 Comment
  POM47667  Leymus triticoides F. W. Peirson 1924-6-1 4678 Riverside River lands along Santa Ana River. 152 Comment
  UC577612  Leymus triticoides H. S. Yates 1937-6-27 6718 Riverside near Hemet Reservoir; San Jacinto Quadrangle Comment
  CAS-BOT-BC451631  Lilaea scilloides James R. Shevock 1975-4-28 4225 Riverside At Mesa de Burro, Santa Rosa Plateau. Santa Ana Mountains. 762 Comment
  CAS-BOT-BC451632  Lilaea scilloides James R. Shevock 1975-4-28 4271 Riverside On the Mesa de Colorado. Santa Rosa Plateau, Santa Ana Mountains. 762 Comment
  SD241915  Limonium duriusculum A. C. Sanders, John F. Green 2012-6-25 40298 Riverside Peninsular Range; Santa Ana Mountains Region: Temescal Canyon, benches south of I-15 and east of Horsethief Canyon Road, north end of Bucking Bay Drive (Alberhill 7.5'Q) 433 Comment
  UCR225159  Limosella acaulis Steve Boyd, Gary Wallace 2005-7-30 11647 Riverside Peninsular Ranges; San Jacinto Mountains region, San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2683 Comment
  UCR22022  Linanthus androsaceus Steve Boyd 1980-5-20 291 Riverside Harford Springs County Park, NW corner of the Gaviln Plateau. S fork of the creek, S end of park Comment
  RSA468574  Linanthus androsaceus subsp. luteolus N. C. Cooper 1945-5-24 1631 Riverside Big Oaks Canyon, Banning. 1219 Comment
  CAS-BOT-BC225698  Linanthus californicus T. Craig 1927-4-23 207 Riverside Glen Ivy Comment
  RSA783373  Linanthus ciliatus J. D. Olmsted 1959-6-23 664 Riverside M. fk. San Jacinto River. Desert Sun School near Idyllwild 1646 Comment
  UC665884  Linanthus dianthiflorus Ira L. Wiggins 1941-3-27 9692 Riverside 4 mi n Whitewater Comment
  RSA525248  Linanthus dianthiflorus subsp. dianthiflorus Steve Boyd, T. S. Ross 1990-5-11 4626 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dripping Springs campground of Cleveland National Forest, S of Hwy. 79. 549 Comment
  RSA507967  Linanthus dianthiflorus subsp. farinosus Steve Boyd, C. Boyd, Kyle A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2309 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  JEPS58386  Linanthus dichotomus W. L. Jepson May 17 1901-Jun 1 1901 1463 a Riverside Van Deventer's Ranch Van Deventer Flat Comment
  UC68713  Linanthus jonesii H. M. Hall Apr 1905 5816 Riverside 10 mi w Coachella; Colorado Desert 152 Comment
  UCR249505  Linanthus jonesii T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7287 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
  UC1537468  Linanthus lemmonii Gordon H. True Jr. 1935-4-11 576 Riverside Gavilan Hills 609 Comment
  UCR220141  Linanthus lemmonii D. E. Bramlet 1990-4-27 1984 B Riverside Peninsular Range, Ridgeline 2100-2500 ft. (c. 0.4 mi.) NE of knoll '2502,' and 1200-1500 ft. (~ 0.21 mi.) west of Rawson Canyon 671 Comment
  UC880261  Linanthus liniflorus I. W. Clokey and E. G. Anderson 1935-8-21 6828 Riverside e of Keen Camp P.O. 1370 Comment
  UCR133428  Linanthus parviflorus Tracy Tennant, T. B. Salvato 1998-6-23 MOR- 459 Riverside San Bernardino Mountains, Morongo Indian Reservation, woodland stand 13, N end of Hathaway Canyon 1280 Comment
  UCR166167  Linaria canadensis var. texana John F. Green 2005-2-10 s.n. Riverside Peninsular Range, E of Temecula, Rancho California, SE of intersection of Mesa Verdugo and Calle Vista, N of Pauba Valley and south of Buck Mesa 430 Comment
  RSA741082  Linaria pinifolia Justin M. Wood 2008-11-17 229 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UC665779  Linum usitatissimum Ira L. Wiggins 1941-3-24 9572 Riverside 0.3 mi s of Myoma (4.6 mi n of Indio) Comment
  POM296034  Linum usitatissimum Lyman Benson 1945-3-29 11619 Riverside San Gorgonio Pass, 5 miles east of Banning. 610 Comment
  RSA688852  Loeflingia squarrosa Scott D. White, Michael Honer 2003-5-13 9256 Riverside Whitewater Canyon, ca. 2 miles north of Bonnie Bell. 579 Comment
  UCR116784  Loeflingia squarrosa A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24164 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
  RSA781796  Loeseliastrum matthewsii Duncan S. Bell 2010-5-1 883 Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  RSA0050256  Loeseliastrum schottii J. M. Andre 2013-3-27 24835 Riverside along Wilson River Crossing Rd, 0.8 mi. east of Hwy 95, 12.4 mi. south of Vidal Jct 114 Comment
  UCR83196  Logfia filaginoides A. C. Sanders 1994-5-15 14487 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the E bank of the Santa Ana River 400 Comment
  HSC85297  Logfia gallica Steve Boyd 1986-5-7 1842 Riverside Temescal canyon: Terrace escarpment between Horsethief wash and Indian Truck Trail, S of I-15 Comment
  RSA595327  Lolium perenne D. L. Banks, Victor Steinmann 1996-4-20 0877 B Riverside Temecula, at Mobil Gasoline Station on Bedford Ct., approximately 0.1 miles E on Hwy 79 from I-15 off ramp. Collected in disturbed field and along wall of adjacent apartment complex, SE of the Gas Station. Comment
  RSA192214  Lomatium dasycarpum subsp. dasycarpum E. W. Lathrop 1959-4-17 4494 Riverside 14 miles west of Murrieta. Tenaja Plateau. West slope of Redonda Mesa. Comment
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Apr 28 2011
  UCR176926  Lomatium dissectum Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 58 Riverside San Bernardino Mtns., Morongo Indian Reservation, Hathaway Canyon, tree stand H-05 915 Comment
  UC1511321  Lomatium mohavense Robert F. Thorne, Avi Shmida, and Robert Whittaker 1978-4-23 52084 Riverside Pinyon Flats, along Hwy 74 Comment
  UC21232  Lomatium mohavense H. M. Hall 1899-5-26 1184 Riverside San Jacinto Mts., Nigger Jim Hill Comment
  RSA16379  Lonicera subspicata var. denudata Percy C. Everett 1935-6-17 7140 Riverside Santa Ana Mountains, near Glen Ivy Resort on Coldwater Canyon Trail to Santiago Peak. 457 Comment
  RSA180334  Lonicera subspicata var. denudata E. W. Lathrop 1965-5-18 5762 Riverside 8 miles W of Murrieta; hills around 300 ft high. 609 Comment
  RSA605678  Lotus R. S. Woglum 1939-4-11 2219 A Riverside Sonoran Desert: Near Rice, Coxcomb Tunnel. Comment
  RSA722995  Lotus grandiflorus var. grandiflorus M. Wall 2007-7-6 434 Riverside San Jacinto Valley at sharp bend in Bautista Canyon Rd. 3.1 miles SE of jct. with Fairview Ave. 671 Comment
Read comments
Dec 22 2018
  UC1506116  Lotus hamatus R. T. and E. R. Clausen 1963-4-27 63077 Riverside se of Winchester; Transverse Ranges 505 Comment
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Mar 20 2011
  UCR193888  Lotus heermannii A. C. Sanders, Mitch Provance 2008-7-11 35771 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
  JOTR29600  Lotus heermannii var. heermannii Andre, Jim 2006-4-26 6757 Riverside Joshua Tree National Park. Long Canyon, approximately 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  UCR79482  Lotus micranthus Steve Boyd, T. S. Ross 1992-5-5 7256 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats along Serrano Spring drainage between Lucas Canyon Trail and junction of Bluewater and Verdugo Trails 762 Comment
  POM6843  Lotus oblongifolius P. A. Munz, L. T. Street 1919-5-7 2736 Riverside Tahquitz Canyon 213 Comment
  UCR187285  Lotus purshianus Diane Menuz, Theresa Johnson 2006-8-2 197 Riverside Peninsular Range; Santa Ana Mtns, Santa Margarita Ecological Reserve, along Santa Margarita River in Temecula Canyon, c. 100 m upstream from road crossing of river 274 Comment
  JOTR30144  Lotus rigidus La Doux, Tasha 2008-2-4 1710 Riverside Joshua Tree National Park. Stop #1: Hexie Mtns./Porcupine Wash; open sandy wash near road heading to Cottonwood. 745 Comment
  RSA303528  Lotus rigidus J. R. Shevock 1971-5-8 1043 Riverside Near Skull Rock; Joshua Tree National Mon. 1372 Comment
  RSA639647  Lotus salsuginosus var. brevivexillus Robert F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52027 Riverside Chino Canyon. Comment
  UCR157958  Lotus salsuginosus var. brevivexillus T. B. Salvato, A. C. Sanders 2005-5-17 908 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
  RSA406910  Lotus scoparius N. C. Cooper 1948-5-13 2843 Riverside Morongo Pass. 854 Comment
  UCR177842  Lotus scoparius subsp. brevialatus Marisa Sripracha, K. A. Boyd 2004-3-22 067 Riverside San Jacinto Mtns. Foothills/Sonoran (Colorado) Desert, Snow Creek 366 Comment
  SEINET222319 Image available Lotus scoparius var. brevialatus B. Ertter, J. Strachan 1979-6-26 2983 Riverside Highway 243 near Idyllwild San Jacinto Mts. Comment
  RSA319651  Lotus scoparius var. scoparius Patricia Wilder 1971-5-13 4945 Riverside Prado Flood control Basin; along bank at east end of top of Prado Dam. 213 Comment
  CSUSB1246  Lotus strigosus Leland E. Francois 1966-3-6 3666 2 Riverside One mile north of Lakeview, Calif. on a dirt road (no name) which runs north directly out of town. 448 Comment
  JEPS55813  Lotus strigosus H. M. Hall 1905-4-20 5830 Riverside Mecca Colorado Desert 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
  UC864923  Lotus strigosus Carl B. Wolf 1932-4-27 Riverside 24 mi w Blythe (on Mecca road); Colorado desert, Chuckwalla Valley 121 Comment
  UCR18185  Lotus strigosus A. C. Sanders 1978-4-30 00341 Riverside Santa Rosa Mtns, Pinyon Flats area, above the Dolomite Mine 1220 Comment
  UCR151101  Lotus strigosus var. hirtellus Scott D. White, Julie Greene 1998-8-1 6970 Riverside Peninsular Ranges/San Jacinto Mtns region, Idyllwild Area, within residential community above/parallel to E bank of Strawberry Creek, between crossing at Circle Drive and Humber Park 1951 Comment
  POM7046  Lotus strigosus var. strigosus P. A. Munz, L. T. Street, G. Williams 1919-3-28 2390 Riverside Palm Springs. (Cabazon) 543 Comment
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Mar 13 2011
  RSA406407  Lotus strigosus var. tomentellus Gale Sphon 1955-5-21 s.n. Riverside 5 miles north of Lake Fulmore Comment
  POM24281  Lotus tomentellus Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  RSA774068  Lotus unifoliolatus Duncan S. Bell, Jeff Morawetz, Kathleen Ashbaker 2010-6-28 1437 Riverside San Bernardino National Forest: Garner Valley, approximately 2 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1373 Comment
  UCR59755  Lotus wrangelianus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-19 3031 Riverside Peninsular Range, Vail Lake area, 0.5 mi WNW of dam, S flank Oak Mountain 488 Comment
  JEPS48833  Lupinus Marjorie D. Clary 1932-5-13 951 Riverside Lost Horse Canyon , Lost Horse Canyon (Little San Bernardino Mts.) Comment
  CAS-BOT-BC198361  Lupinus albifrons unspecified 1998-4-13 6027 Riverside Hill behind Sunrise road, Banning Comment
  POM349944  Lupinus arizonicus Geo Cantwell 1935-4-10 s.n. Riverside Dos Palmas Springs, Salton Sea Comment
  RSA748592  Lupinus arizonicus Scott D. White, Justin M. Wood 2009-4-28 12612 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  UC1922391  Lupinus arizonicus Naomi Fraga, Lisa Rojas 2005-2-10 1371 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  RSA0013624  Lupinus bicolor LeRoy Gross, Duncan S. Bell 2013-4-30 6031 Riverside Surveyed from Apela Drive, right at junction of road to sewage disposal ponds, south to Strawberry Creek., Started near 33.73367N, 116.75074W. And ended at 33.72912N 116.75098W. 1510 Comment
  UCR178837  Lupinus bicolor T. B. Salvato, Jeffrey Ross, B. G. Pitzer 1998-3-25 MOR- 1037 B Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon, 0.2 mi. east of N-S Potrero Canyon Rd. on dirt road to Corral Canyon, junction at Bench Mark 3054', Tree Stand P-08 930 Comment
  UCR201472  Lupinus bicolor Scott D. White, Justin M. Wood 2008-6-5 12083 Riverside San Jacinto Mountains, Garner Valley, Hwy 74 at Thomas Mountain Road, southwest corner of junction 1341 Comment
  UCR232775  Lupinus bicolor William Schlegel 2009-6-2 049 Riverside Peninsular Range; San Jacinto Mtns., Red Mountain Fire Lookout Telecom site 1394 Comment
  CLARK-A1045-207  Lupinus bicolor subsp. marginatus George K. Helmkamp 1978-4-1 Riverside Whitewater junction of Interstate highway 10 and Verbenia Avenue; Whitewater 7.5'Q Comment
  RSA87084  Lupinus brevior F. W. Peirson 1922-4-9 2894 Riverside near Palm Canyon stream about 0.5 mile below mouth of Canyon, Palm Springs region Comment
  RSA407125  Lupinus chamissonis Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  UCR87659  Lupinus concinnus A. C. Sanders 1994-5-29 14565 Riverside San Bernardino Mtns., lower Millard Canyon, at first stream crossing on Forest Service Road 2S05, near Bench Mark 2868 850 Comment
  POM10351  Lupinus concinnus subsp. optatus H. M. Hall 1904-5-19 4945 Riverside Fairmount Park. Comment
  LA205082  Lupinus excubitus Elizabeth McClintock; 1936-7-20 sn Riverside San Jacinto Mountains, Idyllwild Comment
  RSA413600  Lupinus excubitus var. hallii E. Crow 1929-4-7 293 Riverside East end of Corona Skyline Drive, Santa Ana Mts. Comment
  RSA653551  Lupinus excubitus var. hallii Scott D. White 1999-5-24 7405 (2 repl. total) Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 Comment
  UCR35349  Lupinus excubitus var. hallii L. B. Ziegler 1967-4-25 120 Riverside Perris-Aguanga Basin, Pauba Ranch [SE of Temecula in Pauba Valley, off Hwy 79] 381 Comment
  UCR89570  Lupinus formosus G. P. Schultz 1994-4-21 s.n. Riverside Box Springs Mountains, Pigeon Pass Road, c. 1 - 1.5 mi. above the dump. Comment
  UCR107396  Lupinus hirsutissimus B. G. Pitzer 1997-3-23 2951 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
  UCR16243  Lupinus hirsutissimus G. R. Ballmer 1965-3-21 s.n. Riverside Peninsular Range, Base of Santa Ana Mountains, 5 mi. south of Glen Ivy Hot Springs 396 Comment
  POM48510  Lupinus hyacinthinus Mary F. Spencer 1919-7-6 1281 Riverside Tahquitz ridge, San Jacinto Mt. 2439 Comment
  RSA87183  Lupinus hyacinthinus Joseph A. Ewan 1930-8-31 2145 Riverside Hidden lake, San Jacinto Mts. 2744 Comment
  RSA413762  Lupinus longifolius Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  UCR133353  Lupinus microcarpus A. C. Sanders 1985-5-4 5777 Riverside Santa Rosa Mtns, Hwy 74 near Alpine Village 1341 Comment
  POM280801  Lupinus microcarpus var. densiflorus Henry J. Ramsey, Henry J. Ramsey 1940-3-15 s.n. Riverside Aguanga. (north of Riverside Co.) Comment
  UCR102897  Lupinus microcarpus var. densiflorus A. C. Sanders 1997-4-3 20177 Riverside Lake Skinner area, N edge of large clay patch adjacent to the E side of the Skinner entrance road, c. 1-2 km NE of Borel Road. 473 Comment
  RSA6086  Lupinus pallidus Carl B. Wolf 1932-5-25 3669 Riverside San Jacinto Mountains. 1/2 mile below Fish Hatchery, lower edge of upper Sonoran zone, Snow Creek, north base of mountains. 549 Comment
  UCR20386  Lupinus shockleyi W. W. Mayhew 1980-4-8 s.n. Riverside Sonoran (Colorado) Desert, 300 ft. north of 38th Ave. between Washington and the (Interstate Hwy 10) freeway, Coachella Valley 49 Comment
  JOTR30981  Lupinus sparsiflorus La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1958 Riverside Joshua Tree National Park. (Stop 2) Hexie Mountains, east end of Blue Cut Gorge, toe slope with bouldery wash Comment
  RSA678353  Lupinus sparsiflorus Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10469 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
  SFV9218  Lupinus sparsiflorus J. H. Lane 1972-4-9 65 Riverside Pauba Valley in vicinity of Temecula. Highway 71 and Pauba Valley Road, not far from junction of Highway 395 and Highway 71. Top of hill to east of road. Comment
  UCR47241  Lupinus sparsiflorus B. G. Pitzer, L. F. LaPre 1987-3-2 0433 Riverside Peninsular Range, Bundy Canyon, c. 2 miles SE of Lake Elsinore, 0.5 mile north of Bundy Canyon Road off Raciti Rd. 703 Comment
  UCR90371  Lupinus sparsiflorus D. L. Banks, Steve Boyd 1995-5-3 232 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  UCSB10438  Lupinus sparsiflorus Lloyd, Robert 1960-3-23 Riverside 2 miles up Snow Canyon Road from State Rd. 111; San Jacinto Mt. Range; Colorado Desert drainage area 609 Comment
  POM305654  Lupinus sparsiflorus subsp. sparsiflorus Henry J. Ramsey, Henry J. Ramsey 1939-4-22 1012 Riverside Aguanga. Comment
  RSA395351  Lupinus sparsiflorus subsp. sparsiflorus Steve D. Boyd 1986-4-22 1747 Riverside Temescal Canyon; Stable alluvial benches of Indian wash just S of I-15. Comment
  RSA614166  Lupinus truncatus D. L. Banks 1997-2-23 1311 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
  UC2979  Luzula comosa var. laxa H. M. Hall July, 1901 2460 Riverside San Jacinto Mountains. Tahquitz Valley 2133 Comment
  RSA651328  Lycium andersonii N. R. Zabriskie, Walter Zabriskie 1971-2-15 345 Riverside C. 30' up bank from stream bed on west-facing slope of ''North Canyon;'' Andreas Canyon watershed, San Jacinto Mts. 366 Comment
  RSA0118002  Lycium fremontii Sarah J. J. De Groot, Thomas Stoughton 2016-2-18 7626 Riverside Mecca Hills: side canyon (east fork) of Painted Canyon. 182 Comment
  LA209699  Lycium torreyi F. M. Scott; 1924-3-24 sn Riverside Painted Canyon Comment
  SD237516  Lythrum californicum Jeremiah George 2011-8-9 Riverside Peninsular Range; Elsinore Trought: north shore of Lake Elsinore, south end of Lehr Dr. 384 Comment
  UCR140719  Lythrum californicum A. C. Sanders 2004-5-12 27890 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  POM48638  Maianthemum stellatum Mary F. Spencer 1919-7-6 1322 Riverside Tacquitz [Tahquitz] Meadow, San Jacinto Mountains. 2378 Comment
  UCR252648  Malacothamnus densiflorus T. B. Salvato, Matthew Malle 2013-4-5 7512 Riverside Perris-Aguanga Basin, Sedco Hills, dirt extension (SCE powerline access) from Beverly Street east of Crab Hollow Circle 604 Comment
  CAS-BOT-BC206267  Malacothamnus fasciculatus Peter H. Raven; Sidney R. Snow 1956-6-30 9526 Riverside Flats 2.5 miles from Alberthill Road to Elsinore Comment
  UCR120926  Malacothamnus fasciculatus A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24926 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  HSC5999  Malacothrix californica C. L. Hitchcock 1966-3-21 24329 Riverside About 15 mi. S of Rice, on dirt road to Blythe. Comment
  POM362265  Malacothrix clevelandii N. C. Cooper 1944-5-21 1287 Riverside San Jacinto Mtns. West Side. 915 Comment
  SD134515  Malacothrix clevelandii Craig Reiser 1990-5-25 Riverside Adjacent to creek, immediately downstream of Vail Lake Comment
  SEINET11601600 Image available Malacothrix coulteri M. Alice King s.n. Riverside Menifee Comment
  UC1536762  Malacothrix glabrata G. H. True 1935-4-15 241 Riverside Mockingbird Canyon 457 Comment
  UCR116804  Malacothrix glabrata A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23934 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  SEINET10800084  Malacothrix glabrata Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-21 Holmgren 6452 Riverside Rice Valley, 12.3 miles south of Rice. 274 Comment
  IRVC77  Malosma laurina L. Stilgenbauer 1965-4-25 s.n. Riverside Ortega Highway; above Elsinore. Santa Ana Mountains Comment
  CAS-BOT-BC376154  Malva parviflora L. Nye; G. Gust 2005-3-11 63 Riverside Lake Elsinore. Intersection of Malaga and Mission Trail Rd. 398 Comment
  UCR270192  Marah macrocarpa A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42393 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  RSA404236  Marina parryi M. B. Dunkle 1935-3-30 4424 Riverside Pinto Basin, Colorado Desert. 915 Comment
  RSA675053  Marina parryi Scott D. White 2001-4-27 8418 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
  SFV7921  Marina parryi T. Gordon, K. A. Wilson, M. H. Grayum, G. Poseley 1976-4-30 1284 Riverside Along Parker Dam Highway about 8 miles northeast of Desert Center. 183 Comment
  UC195034  Marina parryi Joseph Grinnell Riverside Colorado River Riverside Mt. Comment
  UCSB59678  Marina parryi Boyd, Steve; Meury, S.; Noyes, R. 1988-3-10 Riverside N end Palen Mtns., 2 mi. west of Palen Pass 300 Comment
  CAS-BOT-BC71093  Marsilea vestita P. A. Munz; I. M. Johnston 1922-5-5 5154 Riverside Mystic Lake, near Moreno 426 Comment
  SD68957  Marsilea vestita Robert F. Thorne, E. Lathrop & P. Munz 1968-5-8 37566 Riverside Santa Rosa Plateau, Mesa de Colorado, Rancho California 669 Comment
  RSA667003  Matricaria occidentalis A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24198 Riverside S. of Hemet, E end of Diamond Valley, ca 1/4 mi. N of Newport Rd. and 3/4 mi. E of State St. 506 Comment
  RSA793925  Matricaria occidentalis A. C. Sanders, T. B. Salvato 2011-4-29 39362 Riverside Romoland, McLaughlin Rd. east of Palomar Rd., near powerplant and railroad 445 Comment
  RSA206501  Meconella denticulata E. W. Lathrop 1969-5-8 7021 Riverside Los Alamos Canyon near junction of San Mateo Canyon, Clevland National Forest, Trabuco district 518 Comment
  UCR30815  Meconella denticulata John C. Roos 1950-5-6 4783 Riverside Peninsular Range; Santa Ana Mtns., Head of Hagador Canyon, south of Corona 1037 Comment
  RSA644632  Medicago polymorpha Scott D. White 1993-3-12 1141 Riverside San Bernardino Basin: San Jacinto Valley: Perris Valley Pipeline. 439 Comment
  CSUSB1307  Medicago sativa C. M. Flanagan 1971-4-23 Riverside Southeast corner of the UCR campus garden project in the city of Riverside. Comment
  CAS-BOT-BC229025  Melia azedarach A. C. Sanders 2012-4-12 40020 Riverside Peninsular Range; Santa Ana Mtns. Region: Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, c. 250 m SE of El Hermano Rd. 315 Comment
  CAS-BOT-BC271704  Melica frutescens A. C. Sanders; Matthew Malle; T. B. Salvato; Jonas Winbolt; Katie A. Kurtz 2010-4-2 37748 Riverside Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Road, 1.65 mi. ESE of Corona (Lee) Lake, 0.5 mi. NE (25 deg. ) of Temescal Canyon Road where it goes under I-15, Alberhill 7.5' Q., Peninsular Range 403 Comment
  POM1219  Melica frutescens I. M. Johnston 1918-4-27 1863 Riverside Temescal Canon (West of Elsinore). 366 Comment
  RSA543166  Melica frutescens Steve Boyd, Timothy S. Ross, M. Hammitt 1991-5-2 6096 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  CLARK-A1528-4729  Melica imperfecta John C. Roos 1950-4-22 4752 Riverside Reche Canyon 761 Comment
  CLARK-A1528-4730  Melica imperfecta John C. Roos 1939-5-27 Riverside Reche Canyon Comment
  HSC10353  Melica imperfecta C. L. Hitchcock, C. V. muhlick 1964-3-17 23101 Riverside 3 mi. SE of Glen Ivy Hot Springs. Comment
Read comments
Jul 9 2010
  POM431212  Melica imperfecta J. C. Roos 1950-4-22 4754 Riverside Summit of Reche Canyon, 0.5 mile NE of summit Comment
  RSA249842  Melica imperfecta R. F. Thorne, J. P. Simon, CW Tilforth 1969-6-24 38107 Riverside San Jacinto Mountains: San Bernardino National Forest. Above James Reserve in Hall Canyon 1677 Comment
  RSA291551  Melica imperfecta C. W. Tilforth, B. Busenberg 1980-6-17 2010 Riverside Along Thomas Mtn. Road, south of Lake Hemet, west of Highway 74. 1659 Comment
  SBBG92140  Melica imperfecta E. LaRue 1989-6-11 Riverside W side of Lakeview Mtns, ca. 1 mi SE of Nuevo 640 Comment
  SD133221  Melica imperfecta Scott White 1991-5-13 91 107 Riverside Hwy 79, immediately W of U.S. Forest Service Campground at Dripping Springs 548 Comment
  UCR41238  Melica imperfecta N. M. Fellows 1984-3-20 7 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Oasis de Los Osos Preserve, off Snow Creek Canyon at the north foot of the San Jacinto Mtns, 1 mi west of Snow Creek Village 488 Comment
  RSA741218  Melilotus indicus Scott D. White, Justin M. Wood 2008-6-16 12112 Riverside San Jacinto Mountains: Fobes Canyon, +/- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  VVC233  Melilotus indicus F. Zaebst 1959-4-27 s.n. Riverside Canyon Crest Village 412 Comment
  UCR263246  Mentzelia A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41469 Riverside San Gorgonio Pass, near San Gorgonio River wash, c. 2.88 miles ESE of Cabazon, c. 1 mi. NNW (338 deg. ) of One Horse Spring, south of I-10 and east of water bottling plant, edge of wind farm 454 Comment
  RSA681992  Mentzelia albicaulis Steve Boyd, Amber Maurice, Pesach Lubinsky, Lel Lubinsky 2003-4-17 10496 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  RSA440409  Mentzelia involucrata Christopher Davidson 1979-4-4 7709 Riverside Orocopia Mountains: Box Canyon on Box Canyon Road, 5.9 miles E of Mecca 305 Comment
  SDSU18655  Mentzelia involucrata Michael G. Simpson, Kristen Hasenstab 2008-4-2 2945 Riverside Joshua Tree National Park. Wash just southwest of road to Cottonwood Spring, ca. 0.4 mile northwest of Cottonwood Spring. 922 Comment
  UC196003  Mentzelia involucrata Joseph Grinnell 1910-3-18 Riverside Riverside Mt., Colorado River Comment
  UC68744 Image available Mentzelia involucrata H. M. Hall 1905-4-21 5839 Riverside near Salton; Colorado Desert; near Salton, Colorado Desert, Riverside Co. -76 Comment
  UCR102722  Mentzelia involucrata B. G. Pitzer 1998-1-24 3408 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  UCR16331  Mentzelia involucrata Anna Mayers 1978-4-15 s.n. Riverside Sonoran (Colorado) Desert, Hwy 195, 3 km north of Painted Canyon Road Comment
  UCR233171A  Mentzelia involucrata Jim Andre, Glenn L. Clifton 2011-2-22 17440 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  UCSB4221  Mentzelia involucrata Atsatt, Pete 1958-3-21 Riverside 1.5 miles from town of Whitewater, U.S. Highway 66 & 99; up Whitewater Canyon 518 Comment
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Nov 19 2014
  POM308332  Mentzelia involucrata var. megalantha Henry J. Ramsey, Henry J. Ramsey 1939-11-28 3051 Riverside 10 miles east of Indio. Comment
  RSA48411  Mentzelia involucrata var. megalantha E. K. Balls 1949-4-2 12896 Riverside Between Mecca and Mortmar on Hwy 111 -61 Comment
  RSA0123778  Mentzelia jonesii Duncan S. Bell, LeRoy Gross 2016-3-10 8875 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 1.75 air miles northwest of the summit area. 938 Comment
  RSA395907  Mentzelia micrantha Steve Boyd 1986-4-22 1775 Riverside Temescal Canyon: Horsethief Wash N of Temescal Cyn. Road. Comment
  UC284742  Mentzelia micrantha P. A. Munz 1923-6-14 7121 Riverside Trail from Glen Ivy to Santiago Peak. Santa Ana Mountains 1066 Comment
  RSA0035678  Mentzelia montana A. C. Sanders, Timothy W. Chumley 2013-4-5 40770 Riverside Temescal Canyon, 10 miles south of Corona, near El Hermano Rd., NW of Corona (Lee) Lake and SE of Glen Ivy 313 Comment
  CAS-BOT-BC435293  Mesembryanthemum nodiflorum A. C. Sanders 1993-5-12 14003 Riverside Hemet, SW corner of the intersection of Florida Ave. (Hwy 74) and Warren Rd., between the New San Diego Aqueduct and Warren. 460 Comment
  RSA543843  Micropus californicus Steve Boyd, Orlando Mistretta 1991-5-22 6302 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  UCR250112  Microseris douglasii subsp. platycarpha A. C. Sanders 2014-4-23 41064 Riverside Peninsular Range, Baker St. NW of Lake Elsinore, near Alberhill Mtn., 1.45 km NW of Hwy 74 385 Comment
  UC1595584  Microseris heterocarpa Steve Boyd and Orlando Mistretta 1991-5-9 6184 Riverside Santa Ana Mountains, lower flank of range along the Bedford Truck Trail on ridge between Bedford and McBride Canyons. 548 Comment
  UCR230188  Microseris lindleyi A. C. Sanders 2011-4-6 38988 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  UCR260550  Microseris lindleyi T. B. Salvato, Matt Malle 2014-5-29 8020 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Cottonwood Hills (= Sunset Ave), c. 1 mi west of Murrieta Rd and 4.3 mi southeast of Canyon Lake 534 Comment
  RSA0056604  Mimulus aurantiacus var. pubescens Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4775 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA192069  Mimulus aurantiacus var. pubescens E. W. Lathrop 1965-4-4 5638 Riverside 8 miles west of Murrieta-Tenaja Range. Comment
  RSA271860  Mimulus aurantiacus var. pubescens C. W. Tilforth 1978-4-30 1566 Riverside Low rounded hills east of Norco. Comment
  UC943882  Mimulus aurantiacus var. pubescens H. E. McMinn, M. Van Rensselaer 1945-6-7 1889 F Riverside Indian Canyon Truck Trail, e slope of mts. Santa Ana Mts. 640 Comment
  RSA180498  Mimulus aurantiacus var. puniceus E. W. Lathrop 1960-5-27 5230 Riverside 6 miles west of Murrieta. Comment
  UCR116520  Mimulus aurantiacus var. puniceus Dan Hare 2001-4-26 s.n. Riverside Perris-Aguanga Basin region, Lake Perris State Recretion Area, approximately 1 km northeast of Bernasconi Beach, Lake Perris 600 Comment
  UCR158447  Mimulus aurantiacus var. puniceus S. J. Myers 1993-1-22 s.n. Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, SW of Mesa de Colorado, Carancho Rd. at Tortuga Rd. 396 Comment
  RSA33546  Mimulus brevipes N. C. Cooper 1944-5-21 1223 Riverside Hemet. 549 Comment
  UCR133438  Mimulus brevipes Jeffrey Ross, T. Tennant, G. White 1998-5-21 MOR- 207 Riverside San Bernardino Mtns., Morongo Indian Reservation, Hathaway Canyon, c. 0.55 miles of the junction of the lower and upper canyons 1040 Comment
  UCR174032  Mimulus brevipes A. C. Sanders 2006-5-19 32427 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  RSA523971  Mimulus diffusus F. W. Peirson 1929-5-4 s.n. Riverside Summit of St John's grade. 793 Comment
  UCR217534  Mimulus diffusus Diane Menuz 2008-4-28 433 Riverside Peninsular Range, Palomar Mts area, east of Pechanga Indian Reservation. 1.7 km south of Hwy 79, south of Arroyo Seco Creek, c. 1.5 mi along Wildhorse Trail 563 Comment
  RSA757743  Mimulus fremontii LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4351 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
  CSUSB1923  Mimulus guttatus Debbie Vigneault 1974-7-8 Riverside Santa Ana River Santa Ana River bottom, near Van Buren Blvd. 259 Comment
  JOTR32395  Mimulus guttatus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2498 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
  LA26052  Mimulus guttatus Harlan Lewis; 1941-7-22 sn Riverside San Jacinto Mountains, Tahquitz Trail 1981 Comment
  POM157886  Mimulus pilosus P. A. Munz 1927-5-20 10798 Riverside Murrieta Hot Springs. Comment
  UCR264233  Mirabilis laevis A. C. Sanders, Jim Malusa 2015-9-10 41860 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range 480 Comment
  CAS-BOT-BC434686  Mirabilis laevis var. crassifolia Munz; Harwood 1920-2-28 3256 Riverside 3 mi. west of Corona 304 Comment
  RSA0027982  Mirabilis laevis var. crassifolia D. L. Banks, Victor W. Steinmann 1997-3-13 1461 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
  RSA0047271  Mirabilis laevis var. crassifolia J. Mark Porter, Lauren E. Machen 1997-2-15 11420 Riverside North of Interstate 15 at the Lake Street/Walker Canyon exit, 4.4 mi NE of the Hwy 74 exit at Lake Elsinore. 390 Comment
  SDSU13835  Mirabilis laevis var. crassifolia W. Miller with C. Mosse 1972-7-12 Riverside Comment
  RSA0027983  Mirabilis laevis var. crassifolia J. Bruce Smiley 1940-4-6 s.n. Riverside High Grove [Highgrove]. 366 Comment
  OBI78318  Mirabilis laevis var. retrorsa P. A. Holden 1969-4-3 696 Riverside Just W of hwy 62 and N of Mission Crk at foot of Morongo Pass 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
  SEINET7048056  Mirabilis laevis var. retrorsa Steven R. Hill 2001-4-29 33533 Riverside Whitewater Canyon, east side of canyon, east of Whitewater Canyon Road, about 2 miles north of Route I-10. Elevation about 1800 feet. Comment
  UC851827  Mirabilis laevis var. retrorsa I. W. Clokey 1935-4-17 6602 Riverside Cottonwood springs Comment
  CLARK-A1528-4227  Mohavea confertiflora John C. Roos 1947-2-14 3252 Riverside Eagle Mountains Comment
  JEPS9870  Mohavea confertiflora W. L. Jepson 1927-4-12 11661 Riverside Colorado Desert, Mecca Hills, Painted Canyon Painted Canyon; Colorado Desert, Mecca Hills, Painted Canyon 76 Comment
  POM14596  Mohavea confertiflora Bradley 1922-4-10 7 Riverside Near Mecca. Comment
  RSA408762  Mohavea confertiflora Jean Carnine 1932-3-22 15306 Riverside Deep Canyon-Mojave Comment
  UCR75084  Mohavea confertiflora A. C. Sanders, E. J. Lawlor 1992-4-4 12147 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCR112806  Monardella breweri subsp. lanceolata A. C. Sanders 1997-5-1 20620 Riverside Lake Skinner area, Rawson Canyon c. 1 mi. due west of summit of Black Mountain, along dirt road to Crown Valley 549 Comment
  RSA0005451  Monardella hypoleuca subsp. intermedia D. L. Banks 1997-3-29 1648 A Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. An area of native grassland along the Magee Truck Trail at the southern extremity of the Reservation just before the Riverside / San Diego County line border. 463 Comment
  RSA669  Monardella lanceolata var. lanceolata J. T. Howell 1928-7-9 1072 Riverside Head of San Juan Canyon. Elsinore Mountains 793 Comment
  CHSC21752  Monardella macrantha subsp. hallii Robert A. Schlising 1968-8-17 2906 Riverside On trail to San Jacinto Peak, above Marian Mt. campground. Comment
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Jul 22 2020
  POM19173  Monardella macrantha subsp. hallii P. A. Munz 1923-6-14 7088 Riverside Glen Ivy Trail to Santiago Peak. 1433 Comment
  CAS-BOT-BC215498  Monardella nana Elizabeth McClintock 1941-7-22 130 Riverside On slope south of Strawberry Creek and west of Domengonio Flats, San Jacinto Mts. Comment
  LA96075  Monardella nana Elizabeth McClintock; 1940-6-30 20 Riverside near Marion Camp, on the Banning-Idyllwild rd Comment
  LA96106  Monardella nana Elizabeth McClintock; 1941-6-8 60 Riverside rd to Santa Rosa Mts. 1.5 mi above Pines to Palms Hwy Comment
  LA96154  Monardella nana Elizabeth McClintock; 1941-5-22 sn Riverside Anza Monument. 5 mi. S of Anza, on rd to Coyote Canyon Comment
  UC2036000  Monardella nana C. Epling, L. Haines 1937-5-7 Riverside Pinyon Flats Palms to Pines Highway Comment
  RSA750311  Monardella nana subsp. arida Elizabeth McClintock 1941-7-21 127 Riverside San Jacinto Mountains. Trail to Hidden Lake. Comment
  RSA750393  Monardella nana subsp. arida Elizabeth McClintock 1941-5-31 47 Riverside About 5 miles from the Anza Monument turn off. Comment
  CHSC67963  Monardella nana subsp. nana Alison Graff 1993-6-24 M- 14 Riverside San Bernardino National Forest, Santa Rosa Mtn. 1.5 mi down Santa Rosa Mtn. Rd. (FS 7S02) from Santa Rosa Camp. Comment
  CLARK-A1528-3148  Monardella nana subsp. tenuiflora John C. Roos 1941-8-2 89 Riverside San Jacinto Mountains 2133 Comment
  UC1499957  Monardella nana subsp. tenuiflora E. and M. McClintock, D. Weiner 1941-7-11 100 Riverside 1 1/4 mi beyond the snow gate Black Mt. Comment
  UCR221466  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-15 113 Riverside Peninsular Range; San Jacinto Mtns., on slope south of Strawberry Creek, and west of the sawmill at Domengonio [Domenigoni] Flats [vicinity of West Ridge, near Camp Emerson & USC Idyllwild campus] 1646 Comment
  SEINET3101625 Image available Monardella robisonii Tasha La Doux, Jim Andre 2008-9-16 349 Riverside Mojave Desert; Joshua Tree National Park, northeast end of Splitrock Picnic Area (Queen Mountain 7.5 Q.) 1327 Comment
  POM7903  Monoptilon bellioides P. A. Munz, R. D. Harwood 1920-4-3 3557 Riverside Ford's Well west of Blythe. 305 Comment
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Dec 13 2016
  RSA457759  Monoptilon bellioides Steve Boyd, S. Meury, Laurel Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2126 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  RSA717618  Monoptilon bellioides Scott D. White, Andrea Warniment Edwards 2006-3-22 11270 Riverside Eastern Coachella Valley a few mi E of Indio. Proposed I-10 Freeway / McMaughton Parkway Interchage, N of I-10 Freeway. 91 Comment
  UC501449  Monoptilon bellioides Frank W. Peirson 1927-4-24 7899 Riverside Cottonwood Spring Comment
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Oct 9 2010
  RSA336205  Montia fontana R. F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 51991 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  UCR113921  Muhlenbergia asperifolia Mitch Provance, A. C. Sanders 2000-7-4 2112 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  POM185023  Muhlenbergia microsperma Marcus E. Jones 1926-3-10 s.n. Riverside Santa Ana Canyon Comment
  UC819060  Muhlenbergia microsperma P. A. Munz and I. M. Johnston 1922-5-21 5550 Riverside dry slope 4 mi ne San Jacinto 457 Comment
  CLARK-A1528-4759  Muhlenbergia minutissima John C. Roos, Lucille Roos 1952-10-18 5903 Riverside Little San Bernardino Mountains 1219 Comment
  JOTR30295  Muhlenbergia porteri La Doux, Tasha, Jim Andre 2007-9-6 129 Riverside Joshua Tree National Park. On dirt road to Lost Horse Ranger Station, below Hemingway Buttress 1236 Comment
  RSA0119961  Muhlenbergia rigens Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9071 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.25 air miles southeast of the summit of Martinez Mountain. 621 Comment
  UCD87126  Muhlenbergia rigens H. S. Yates 1936-8-28 6371 Riverside Near Keen Camp. 1584 Comment
  RSA652083  Muilla maritima Marion P. Harthill 1972-5-6 sn Riverside Rancho. 762 Comment
  UCR89793  Muilla maritima Scott D. White 1993-5-27 1414 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  UCR136623  Myosurus minimus subsp. apus F. W. Peirson 1922-4-29 2945 Riverside Elsinore Trough, Lake Elsinore, about mudflat south of lake 375 Comment
  UC724319  Nama Aven and Ruth Nelson 1939-3-30 3348 Riverside Sandy desert hiway 60 from Mecca to Blythe; from Mecca to Blythe Comment
  RSA0121058  Nama demissa Duncan S. Bell, Thomas Stoughton 2016-3-16 8944 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central/southeastern section of range, approximately 2.5 air miles north of Gucci Spring. 511 Comment
  RSA421098  Nama demissa M. B. Dunkle 1937-3-25 4947 Riverside Colorado Desert. Comment
  RSA421117  Nama demissa E. S. Spalding 1926-2-13 s.n. Riverside Colorado Desert. Box Canon on Blythe Road. Comment
  POM98949  Nama demissa E. C. Jaeger 1926-3-24 s.n. Riverside Eagle Mountains. Comment
  SD148142  Nama stenocarpa D. E. Bramlet, Et al. 1999-10-15 2817 Riverside 198 m S of Gilman Hot Springs Road, 1.22 km NW of Hwy 79 and 2.1 km S of Jackrabbit Trail 433 Comment
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Mar 21 2011
  UC1146058  Nassella lepida C. L. Hitchcock and C. V. Muhlick 1964-3-17 23075 Riverside open knoll 8 mi se Corona (along road to Elsinore) Comment
  SEINET7072823  Nassella pulchra A. G. Vestal 1963-5-19 s.n. Riverside About 5.5 miles southwest of Cahuilla on Route 371 [on the Cahuilla Road] Coordinate datum: WGS84/NAD83. (33? deg. 29' 6" North Latitude, -116? deg. 49' 57" West Longitude, Coordinate datum: NAD27.). Comment
  RSA660533  Navarretia atractyloides Orlando Mistretta 1992-6-10 527 Riverside Peninsular Ranges: (Cleveland National Forest) Along old road coming off 3504 W of Sierra Peak. Head of road. Comment
  UCR174361  Navarretia atractyloides A. C. Sanders 2006-5-19 32405 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR175063  Navarretia atractyloides Teresa Nieto 2005-5-26 29 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  JEPS57953  Nemacaulis denudata var. gracilis Frank W. Peirson 1917-1 6 Riverside road se Palm Springs 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
  UC178672  Nemacaulis denudata var. gracilis Marcus E. Jones, A. M. 1903-5-11 Riverside Whitewater 304 Comment
  RSA0078520  Nemacladus glanduliferus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 795 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  LA204531  Nemacladus gracilis Harlan Lewis; Carl Epling 1941-5-2 Riverside Joshua Tree National Monument, Pinto Basin Comment
  POM11738  Nemacladus ramosissimus P. A. Munz, I. M. Johnston 1922-5-18 5320 Riverside 3 miles south of Murrieta. Comment
  RSA759208  Nemacladus ramosissimus Robt. Allen, L. Fuentes 2008-4-10 s.n. Riverside Along Bear Canyon Trail, 0.21 air mile SSE of the trailhead near Ortega Hwy. 664 Comment
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Jan 16 2012
  UCR157883  Nemacladus rubescens A. C. Sanders, M. Skinner 1995-4-6 16396 Riverside Sonoran (Colorado) Desert, NW end of Coachella Valley, wash east of Hwy 62 and south of Indian Avenue; 0.45 mi. south of Indian on Worsley Road 500 Comment
  RSA421337  Nemophila menziesii Christopher Davidson 1973-4-1 1826 Riverside Jct. Vail Lake Marina and Hwy. 71/79, about 3 miles west of Aguanga. 426 Comment
  RSA606291  Nemophila menziesii Jon E. Keeley 1994-4-7 25291 Riverside Shipley Reserve, study site Sh4. S of Hemet, S end of Rawson Road 660 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
  JOTR01276  Nicolletia occidentalis Cole, James E. 1941-5-19 748 Riverside Joshua Tree National Park. QUEEN VALLEY Comment
  UC2015579  Nicotiana clevelandii A. C. Sanders with G. Helmkamp, P. MacKay, et al 1995-3-19 16184 Riverside Coachella Valley: Willow Hole, 4 miles south of Desert Hot Springs. Comment
  RSA784954  Nicotiana obtusifolia Duncan S. Bell 2012-2-12 3112 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  RSA799245  Nicotiana obtusifolia Thomas Stoughton, Duncan S. Bell, Debra Nelson 2011-2-20 733 Riverside South side of the Mecca hills, side canyon roughly 1.3 miles north of turnoff for Painted Canyon on Box Canyon Road 113 Comment
  SEINET12808835  Nicotiana obtusifolia Chris Dietrich, M. Merello, & H. Schmidt 1994-1 20 Riverside 9 mi NNW of Indio, off Dillon Road 1.9 mi NE on Berdoo Canyon Road (J241). BLM Land. Desert Access Guide Map #17. 358 Comment
  UCR202039  Nicotiana obtusifolia Denise Woodard, Gilbert Goodlet 1997-3-11 s.n. Riverside Sonoran (Colorado) Desert, base of Santa Rosa Mtns. at mouth of Cathedral Canyon, border between Rancho Mirage and Cathedral City, site of proposed Ritz-Carlton Rancho Mirage/ Cathedral Canyon Golf Course 305 Comment
  UCSB44691  Nicotiana obtusifolia Hibbard, Doug 1977-4-15 Riverside 50 yards to the west of Hwy 74, 3.3 miles from its intersection with Hwy 111 280 Comment
  UCR167337  Nicotiana quadrivalvis Scott D. White, Jennifer H. Jones 2005-5-24 11101 Riverside Banning Pass area, Cabazon: San Gorgonio River wash and adjacent alluvial flats and benches to W 610 Comment
  SD134472  Nitrophila occidentalis Craig Reiser 1988-7-1 Riverside Near Gilman Hot Springs Comment
  CAS-BOT-BC131886  Nolina parryi Philip A. Munz; P. C. Everett 1950-6-23 14919 Riverside 1.5 mi. s.e. of Kenworthy, on road toward [Coahuila] Cahuilla and Aguanga 1524 Comment
  UCR152571  Nolina parryi James C. Dice 1985-6-13 617 Riverside Peninsular Range; San Jacinto Mtns., SE portion of Thomas Mountain, c. 4 km south of Kenworthy Station and community of Thomas Mountain 1525 Comment
  POM9934  Notholaena californica subsp. californica F. W. Peirson 1920-2-15 s.n. Riverside Palm Springs, Tahquitz Camp. Comment
  SEINET208618 Image available Notholaena californica subsp. leucophylla L. S. Rose 1966-12-13 66102 Riverside Palm Springs Taquitz Wash 183 Comment
  SEINET3872753  Notholaena californica subsp. leucophylla Lewis S. Rose 1966-12-13 66102 Riverside Palm Springs, Tahquitz Wash.; 0 183 Comment
  UCD124111  Nuttallanthus texanus Steve Myers 24-25 Feb 1988 s.n. Riverside Temescal Canyon, ca. 1/4 mi. west of intersection of Highway I-15 and Indian Truck Trail. 381 Comment
  CAS-BOT-BC171496  Oenothera californica C. W. Tilforth 1976-5-22 1208 Riverside Common in vineyards and along Milliken Ave. in n.w. Riverside county. Comment
  RSA614421  Oenothera californica subsp. californica D. L. Banks 1997-3-29 1554 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, south of Pechanga Road in the Reservation, north of Pechanga Creek, and east of the Pechanga Tribal Government Center. 367 Comment
  UC20447  Oenothera californica subsp. californica H. M. Hall June 1901 2143 Riverside along borders of Colorado Desert eastern base of San Jacinto Mountains Comment
  LA206154  Oenothera deltoides A. M. Johnson; 1932-3-20 3903 Riverside Indian Wells, below Palm Springs Comment
  SD247470  Oenothera deltoides T. B. Salvato, R. T. Hawke, et al. 2013-3-8 7302 Riverside Sonoran (Colorado) Desert: south of Highway I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road about 1.4 kilometers west of its junction with Augustine Pass Road. 136 Comment
  UC68570  Oenothera deltoides subsp. deltoides H. M. Hall Apr. 1905 5768 Riverside Bradley Canyon Colorado Desert 91 Comment
  UCR35218  Oenothera elata L. B. Ziegler 1967-11-7 260 Riverside San Jacinto Mtns., Poppet Flats area 1070 Comment
  JEPS44071  Oenothera elata subsp. hirsutissima Marjorie D. Clary 1932-8-7 236 Riverside Snow Creek Colorado Desert, San Jacinto Mts. 426 Comment
  CAS-BOT-BC427457  Oligomeris linifolia H. S. Yates 1937-3-23 6425 Riverside Near Thermal 30 Comment
  CAS-BOT-BC427467  Oligomeris linifolia Hall 1905-6-1 6238 Riverside Hills between Riverside & Gavilan Comment
  RSA21764  Oligomeris linifolia Carl B. Wolf 1937-4-6 8436 Riverside Coachella Valley, 3 miles N of Indio. 0 Comment
  RSA554245  Oligomeris linifolia Theo Glenn 1991-5-15 91 -136 Riverside Colorado Desert Little Maria Mountains, NW of Blythe. 390 Comment
  SEINET7259361 Image available Oligomeris linifolia Leila M. Shultz, John S. Shultz 1985-1 5323 Riverside Chuckawalla Mountains at Corn Springs 518 Comment
  JOTR32327  Olneya tesota Herskovits, Tasya 2011-5-25 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains; Open, sandy bajada adjacent to Pinto Basin road and near south park boundary Comment
  POM348467  Olneya tesota Robert M. Perkins 1937-3-15 388 Riverside 20 miles east of Desert Center. Comment
  SD72205  Olneya tesota C. W. Tilforth 1967-6-5 120 Riverside 2.0 miles west of Blythe, eastern-central Riverside County. Comment
  CAS-BOT-BC478174  Oncosiphon piluliferum R. E. Jr. Riefner 2015-3-24 15 -99 Riverside City of Perris, Goetz Road at Ellis Avenue 447 Comment
  RSA666718  Oncosiphon piluliferum A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24210 Riverside Moreno Valley, along I-215 just south of the March Field Museum, 0.7 mi. S of Van Buren Blvd. 465 Comment
  UCR233582  Oncosiphon piluliferum A. C. Sanders, John F. Green 2012-3-26 39992 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, De Palma Rd. near Indian Truck Trail, west of Lee (Corona) Lake near edge of a commercial development 363 Comment
  UCR260874  Oncosiphon piluliferum A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-8 41574 Riverside Peninsular Range; Elsinore Trough, City of Lake Elsinore, vacant lot south of intersection of 3rd St. and Pasadena St., west of Birch St., near drainage channel from lake toward Temescal Creek 387 Comment
  SEINET9037438 Image available Opuntia M. A. Baker, Michelle Cloud-Hughes 2015-1 18362 Riverside The Badlands, 550m south of San Timoteo Wash, 33km ENE of Riverside, hillside of fine gray-brown silt with gravel and rocks 637 Comment
  RSA192171  Opuntia engelmannii E. W. Lathrop 1960-5-20 4808 Riverside 14 miles west of Murrieta. Comment
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Apr 28 2011
  RSA0002173  Opuntia erinacea var. paucispina M. B. Dunkle 1934-11-3 4236 Riverside Ribbonwood, Santa Rosa Mt. Comment
  RSA751352  Opuntia microdasys John F. Green 2008-6-5 s.n. Riverside south side of Hwy 74, c. 3 miles NE of Lake Elsinore and 3 miles NW of Canyon Lake. 478 Comment
  CAS-BOT-BC56909  Opuntia polyacantha var. hystricina C. B. Wolf; P. C. Everett 1938-9-29 3352 Riverside Field redacted by CAS, contact the data manager for more information Comment
  RSA524391  Opuntia vaseyi B. D. Parfitt, Rita Anthony, Andy Sanders 1986-4-19 3501 Riverside Pauba Valley, Hwy 79 crossing of Temecula River (or Creek), 4.6 miles E of junction with road to Pala. 305 Comment
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Nov 28 2010
  RSA544429  Orcuttia californica Timothy S. Ross, David Zippin, Tom Oberbauer 1991-6-14 6335 Riverside Skunk Hollow area, 2 mi east of Murrieta Hot Springs, just west of second San Diego aqueduct. Comment
  UCR77563  Orcuttia californica Steve Boyd, T. S. Ross, D. Zippin, T. Oberbauer 1991-6-14 6335 Riverside Peninsular Range, Skunk Hollow area, 2 mi east of Murrieta Hot Springs, just west of Second San Diego Aquaduct Comment
  UC29817  Oreostemma alpigenum var. andersonii H. M. Hall 1901-7-30 2574 Riverside Tauquitz Valley 2499 Comment
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Aug 21 2007
  UCSB6224  Orobanche cooperi Stoppel, Gordon 1958-3-22 Riverside Colorado Desert off Indio highway near No Palms Comment
  SEINET10500315  Orobanche cooperi David B. Dunn Dunn 2045 Riverside Collected on dry plateau in vicinity of Pushawalla Canyon, Indio Hills. Sparse desert scrub of Larrea and Franseria, with palms at the springs in the canyon. Comment
  SEINET3108705  Orobanche cooperi subsp. cooperi Sears 1978-3-16 832 Riverside 12 mi NW of Midla nd, 3 mi SW of Rice. 244 Comment
  RSA0070485  Orobanche cooperi subsp. cooperi G. R. Campbell 1952-4-6 18420 Riverside Box Canyon, on road from Hwy 60-70 to Salton Sea. 457 Comment
  SEINET270934  Orobanche corymbosa Richard J. Shaw 1958-5-10 1110 Riverside 3 miles above Palm Desert. Palms to Pine Highway. 610 Comment
  OBI32754  Osmorhiza brachypoda E. W. Lathrop 1966-3-30 6124 Riverside Plants of Santa Ana Mts. Trl between El Carriso and Santiago Peak, Cleveland Natl forest 1219 Comment
  RSA593784  Oxytheca emarginata Jeri Hirshberg 1995-5-19 279 A Riverside San Jacinto Mountains, Garner Valley. Comment
  UC6611 Image available Oxytheca emarginata H. M. Hall 1901-7-1 2331 Riverside rocky ridges near Tauquitz; San Jacinto Mountains; Tauquitz, San Jacinto Mts. 2194 Comment
  UC284803  Oxytheca trilobata P. A. Munz 1923-6-14 7059 Riverside Glen Ivy trail to Santiago Peak; Santa Ana Mts. 1219 Comment
  UCR201632  Oxytheca trilobata Scott D. White, Justin M. Wood 2008-6-16 12130 Riverside San Jacinto Mountains, Fobes Ranch Road north of Quinn Flat 1463 Comment
  SD152794  Paeonia californica Steve Boyd, Tim Ross and Orlando Mistretta 1992-3-31 6746 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Morgan Trail from Round Potrero west to junction with Tenaja Trail in North-fork Bear Creek. 2200 Comment
  UCD102585  Paeonia californica C. L. Hitchcock 1966-3-15 24165 Riverside 10 miles N.E. of Temecula. Comment
  CAS-BOT-BC327899  Palafoxia arida Ira L. Wiggins 1941-3-24 9573 Riverside Along eastern side of Salton Sea, 2.7 miles S of Mortmar Comment
  SBBG100853  Palafoxia arida W. L. Halvorson 1977-2-20 77 -78 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  SEINET12800993  Palafoxia arida Chris Dietrich, M. Merello & H. Schmidt 1994-1 28 Riverside 7.5 miles south of North Shore on State Highway 111. Along highway on east shore of Salton Sea. 60 Comment
  RSA134877  Palafoxia arida var. arida L. S. Rose 1959-1-8 59002 Riverside La Tuna Canyon, along La Tuna Canyon Road.La Quinta. 15 Comment
  RSA314487  Palafoxia arida var. arida R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55360 Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  UC402946  Palafoxia arida var. arida H. E. and S. T. Parks Feb. 1929 396 Riverside Palm Springs Palm Springs (and southward) Comment
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Feb 23 2010
  SEINET11810388  Palafoxia linearis J. F. Bright, Wyman, C. 1933-1 8069 Riverside near Palm Springs Comment
  UCR2624  Panicum capillare F. M. Reed 1903-12-18 416 Riverside Riverside, Box Springs Mtns. foothills, natural bridge, Little Arroyo. (E edge of town near Tequesquite Arroyo and Chicago Ave., 'Little Arroyo' evidently drained into Arroyo T. from the N a short distance west of Chicago Ave.- notes by A. Sanders, 1993) 293 Comment
  RSA724047  Panicum dichotomiflorum subsp. dichotomiflorum R. E. Riefner 2004-9-18 4 -435 Riverside City of Corona, E of Santa Ana Canyon along Santa Ana River, ca. 0.5 mi S of 71 Freeway. 135 Comment
  SEINET270107  Papaver californicum Steve Boyd, Carol Boyd; Kyle Boyd 6736 Riverside San Mateo Canyon Wilderness Area ; Santa Ana Mountains Tenaja Canyon along trail from wilderness boundary downstream towards Fisherman's Camp 366 Comment
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Mar 1 2014
  RSA496741  Parietaria hespera var. californica Steve Myers 1988-2-4 s.n. Riverside Northgate Estates development, immediately NW of Canyon Lake. 488 Comment
  GMDRC2588  Parietaria hespera var. hespera T. La Doux, J. Andre 2008-3-21 139 Riverside Little San Bernardino Mountains: JTNP: Upper Cottonwood Cyn, approx 2 mi. S. of Cottonwood visitor's center.. Elev. 2890 ft. 881 Comment
  POM183986  Parietaria hespera var. hespera Philip A. Munz 1932-3-14 12011 Riverside Magnesia Spring Canyon, Coachella Valley. 91 Comment
  SEINET10576906  Parkinsonia Carl C. Epling 1927-3-27 Epling s.n. Riverside Thousand Palms Comment
  SFV21858  Parkinsonia aculeata J. R. Pucci 2001-5-6 24 Riverside San Jacinto Mountains Chino Canyon. Along south side of Tramway Road, about 1.5 miles west of Highway 111. 365 Comment
  PASA212  Parosela emoryi Florence Brubaker Riverside Thousand Palms Comment
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Mar 23 2019
  RSA698046  Parosela emoryi J. R. Bruff 1933-1-1 s.n. Riverside Travertine Point, south of Indio. Comment
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Oct 30 2011
  CAS-BOT-BC259739  Paspalum distichum H. A. Zuill 1966-6-19 230 Riverside Cole Canyon, about 1-2 miles [?] Murrieta Comment
  UCR167327  Pectis papposa Scott D. White, J. Wood 2005-9-27 11230 Riverside San Gorgonio Pass, Cabazon: Alluvial benches and braided dry channels south of Interstate 10 and west of the San Gorgonio River 610 Comment
  UCR274822  Pectis papposa Stephanie Rockwood, Christi Gabriel 2011-10-18 119 Riverside Sonoran (Colorado) Desert, Ford Dry Lake Area, Pallen Dunes Road, Hwy I-10 exit 217, Chuckwalla Valley 109 Comment
  CAS-BOT-BC355868  Pectis papposa var. papposa C. F. Saunders 1913-6-1 s.n. Riverside Palm Springs, Colorado Desert Comment
  UCR100330  Pectis papposa var. papposa George K. Helmkamp 1997-11-1 2515 Riverside Sonoran (Colorado) Desert, Bermuda Dunes, 41st St and Sparky (just east of Washington and south of I-10) 30 Comment
  UCR177262  Pectocarya heterocarpa Scott D. White 2003-3-20 8828 Riverside Coachella Valley, Immediately north of the I-10 / Jefferson Avenue fwy interchange 18 Comment
  SEINET3083924 Image available Pectocarya linearis Markell Kohn 1959-4-12 Riverside 150 ft. West of pond 200 yds N.E. of Weber Hall on U.C.R. campus. Comment
  UC1212183  Pectocarya linearis subsp. ferocula H. E. Parks and S. T. Parks 1940-2-16 24174 Riverside San Jacinto Mountians, Santa Rosa Canyon, Palms to Pines Hig 304 Comment
  POM13002  Pectocarya penicillata P. A. Munz, I. M. Johnston 1922-5-19 5422 Riverside Keen Camp, San Jacinto Mts. 1524 Comment
  UCR177824  Pectocarya penicillata S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., Reed Valley at beginning of powerline trail to Juan Diego Flats, NW of Cahuilla Mountain 1037 Comment
  RSA0125986  Pectocarya peninsularis Duncan S. Bell 2016-3-4 8812 Riverside Orocopia Mountains; northeast section of the range, in the hills to the west of Red Cloud Wash. 487 Comment
  CLARK-A1045-235  Pectocarya platycarpa George K. Helmkamp 1978-4-1 Riverside Whitewater junction of Interstate highway 10 and Verbenia Avenue; Whitewater 7.5'Q Comment
  RSA0120623  Pectocarya platycarpa Duncan S. Bell, Thomas Stoughton 2016-3-15 8934 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; in the central part of the range, approximately 0.75 air mile east northeast from the summit of the range. 861 Comment
  RSA795743  Pectocarya platycarpa J. Andre 2012-3-19 21314 Riverside Orocopia Mountains; north end of range, 0.5 miles south of junction of Box Canyon Road and I-10 freeway, 23 miles east of city of Coachella. 488 Comment
  SBBG6315  Pectocarya platycarpa C. H. Muller 1952-4-6 9505 Riverside 2 mi E of Shavers Summit, E of S gate to Joshua Tree Nat Monument Comment
  UCSB41276  Pectocarya platycarpa Cowan, Clark 1978-4-25 Riverside 5.1 mi. (8.1 km.) W on Hwy. 74 from jct. with 243, approaching Hemet; San Jacinto Mts.; Whittaker transect #W-288 1370 Comment
  POM305611  Pectocarya recurvata Henry J. Ramsey, Henry J. Ramsey 1937-2-26 906 Riverside Whitewater. Comment
  JOTR34198  Pectocarya setosa La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2991 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  SD247369  Pectocarya setosa A. C. Sanders, Steve Boyd, et al. 2009-4-9 36790 Riverside Peninsular Range; Santa Ana Mountains; Elsinore Peak, ca. 0.4 mile SE of the summit.\ 1014 Comment
  CAS-BOT-BC69220  Pellaea andromedifolia Annie M. Alexander; Louise Kellogg 1941-2-28 1879 Riverside Andreas Canyon, San Jacinto Mountains 350 Comment
  UCR41326  Pellaea andromedifolia N. M. Fellows, A. C. Sanders 1985-4-9 152 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  RSA516764  Pellaea andromedifolia var. andromedifolia Ed LaRue 1989-4-26 s.n. Riverside 2 mi. (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons 488 Comment
  RSA524226  Pellaea andromedifolia var. andromedifolia Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4020 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  SDSU14026  Pellaea andromedifolia var. andromedifolia Kristin Andrade, Mike Simpson 2002-4-20 7 Riverside 10 feet from observation point on Loop trail at Santa Margarita Ecological Reserve 361 Comment
  UCR156292  Pellaea mucronata T. B. Salvato, Kent Beaman 2005-5-16 836 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
  RSA495413  Pellaea mucronata var. mucronata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-12 2948 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA713997  Pennisetum ciliare var. ciliare John Green, Nathan Moorhatch 2005-4-26 s.n. Riverside Sonoran (Colorado) Desert: Coachella Valley, Indio, south of Indio Blvd., between Burr St. and Ave. 42, within sight of I-10. 12 Comment
  UCR120159  Pennisetum setaceum Mitch Provance 1998-3-5 185 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
  UCR52467  Pennisetum setaceum D. C. Hawks 1986-4-17 s.n. Riverside Sonoran (Colorado) Desert, Whitewater River Channel, 1 mi. south of Hwy I-10 and 2 mi. west of Indian Ave 259 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
  UCR99405  Penstemon centranthifolius Scott D. White 1996-8-16 4479 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, SW of Pine Cove & west of Bear Trap Canyon, in watershed above Alvin Meadows, tributary to Toll Road Canyon 1860 Comment
  JOTR32030  Penstemon clevelandii var. mohavensis Herskovits, Tasya & Harding, Mitzi 2011-4-28 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mtns, Queen Valley; east side of Lost Horse Rd.; west facing side of boulder outcrops 1243 Comment
  JEPS7536  Penstemon eatonii var. undosus W. L. Jepson 1914-5-18 6007 Riverside n Indio (Pinon Well grade summit, betw. Pinon Well and County Well); Colorado Desert, summit Pinon Well grade, n of Indio Comment
  RSA234077  Penstemon heterophyllus var. australis Robert F. Thorne, E. W. Lathrop 1969-6-6 39333 Riverside Santa Rosa Plateau: Rancho California. 610 Comment
  SD63335  Penstemon labrosus Walter Bertsch 1957-6-29 957 Riverside Desert slope of Toro Peak, Santa Rosa Mountains 2660 Comment
  CAS-BOT-BC245644  Penstemon pseudospectabilis Edmund C. Jaeger 1940-11-12 s.n. Riverside McKinley Spring, north side of Chuckawalla Mts. 853 Comment
  CHSC1885  Penstemon pseudospectabilis L. Oliver; D. Sloan 1935-4-17 Riverside North Colorado desert. Comment
  NY650693  Penstemon rostriflorus E. K. Balls 1953-8-19 18544 Riverside Above Santa Rosa Spring, Santa Rosa Peak 2133.6 Comment
  POM17872  Penstemon spectabilis Philip A. Munz 1923-6-14 7063 Riverside Glen Ivy Trail to Santiago Peak 1220 Comment
  UC1035955  Penstemon spectabilis Helen K. Sharsmith 1954-7-7 4445 Riverside on highway between Banning and Idlewild (near Fuller Creek); San Jacinto Mountains, San Bernardino National Forest 1828 Comment
  UCR104933  Penstemon spectabilis A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20676 Riverside San Jacinto Mountains, N side of the range, 0.2 mi. north of Twin Pines Ranch Road on the dirt road to Brown Creek and Cabazon 1098 Comment
  UCR35235  Penstemon spectabilis L. B. Ziegler 1972-5-9 454 Riverside San Jacinto Mtns, San Jacinto Valley 473 Comment
  RSA802136  Pentachaeta aurea subsp. aurea Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5013 Riverside Strawberry Creek to the southwest of Strawberry Valley, about 2.4 air miles southwest of Idyllwild. 1534 Comment
  UC399569  Pentagramma glanduloviscida F. M. Reed 1917-8-19 3771 Riverside Palm Canyon; Colorado Desert Comment
  RSA0094740  Pentagramma maxonii P. A. Munz 1921-12-31 4702 Riverside Andreas Canyon, Colorado Desert. Comment
  RSA0070828  Pentagramma triangularis P. A. Munz, I. M. Johnston 1922-5-20 5464 Riverside San Jacinto Mountains: Pipe Creek, Hemet Valley. 1402 Comment
  RSA0042375  Peritoma arborea Duncan S. Bell, LeRoy Gross 2014-3-20 6282 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  SEINET5767260  Peritoma arborea N. H. Holmgren, Patricia K. Holmgren, Ruth E. Kern 1973-3-23 6484 Riverside At the south entrance to Joshua Tree national Monument, near Interstate 10, 24 miles east of Indio 549 Comment
  SEINET12740180  Peritoma arborea E. Adams 1978-1 S.N. Riverside Mecca, Box Canyon. Comment
  CAS-BOT-BC77485  Peritoma arborea var. angustata F. H. Billings 1926-2-6 18 Riverside Desert near Palm Springs Comment
  CAS-BOT-BC73728  Peritoma arborea var. arborea K. Larson 1976-9-28 2243 Riverside ~3 mi. E. of Devers substation. Comment
  CAS-BOT-BC77532  Peritoma arborea var. arborea Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs 60 Comment
  RSA15500  Perityle emoryi L. S. Rose 1935-12-23 35687 Riverside Above Deep Canyon, San Jacinto Mts, 13 miles S of Cathedral City. 610 Comment
  SBBG65632  Perityle emoryi Anstruther Davidson 1895-1 Riverside Palm Springs Comment
  UC1546630  Perityle emoryi Barry A. Prigge 1988-2-21 7859 Riverside 2 mi w Clemens Well; Colorado Desert, Orocopia Mountains 228 Comment
  UCSB9816  Perityle emoryi Beeks, Richard 1952-4-4 Riverside Seven miles above Mecca in Box Canyon Comment
  CAS-BOT-BC167765  Petalonyx thurberi Victor Duran 1933-7-3 3500 Riverside Coachella Valley at Deep Canyon 243 Comment
  CLARK-A1528-611  Petalonyx thurberi Steven J. Southwell 1971-5-1 Riverside Thousand Palms Oasis 152-304 Comment
  RSA155456  Petalonyx thurberi L. S. Rose 1961-11-24 61065 Riverside La Quinta 15 Comment
  SEINET3561306 Image available Petalonyx thurberi Lewis S. Rose 1938-10-19 38324 Riverside 6 miles south of Cathedral City. 46 Comment
  SJSU6730  Petalonyx thurberi C. W. Sharsmith 1974-1-6 8015 Riverside Palm Springs Comment
  UCR17237  Petalonyx thurberi N. R. Zabriskie, W. W. Zabriskie 1971-10-23 452 Riverside Western Colorado Desert/ San Jacinto Mtns, near Andreas Canyon Club Gate, South Palm Canyon Drive, Palm Canyon drainage, E slope of San Jacinto Mtns Comment
  JOTR30078  Petalonyx thurberi subsp. thurberi La Doux, Tasha, Bill Truesdell 2006-10-3 1718 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  LA100462  Petalonyx thurberi subsp. thurberi Nancy Ryan Zabriskie; 1979-9-6 860 Riverside San Jacinto Mountains, at N edge of E-W road from ACC gate. Palm Canyon drainage, E slope of mountains 167 Comment
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Mar 15 2014
  UCR110419  Petunia parviflora A. C. Sanders, Mitch Provance 1999-9-26 23128 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  JOTR29450  Peucephyllum schottii La Doux, Tasha, Mike Bell 2006-3-8 1348 Riverside Joshua Tree National Park. Eagle Mountains, south of Hayfield Spring 548 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
  LA203888  Peucephyllum schottii Martha Hilend; 1929-12-27 365 Riverside Shafer's Wells Comment
  SD27949  Peucephyllum schottii Carl B. Wolf 1932-4-26 1473 Riverside Colorado Desert, 8 miles east of Mecca on Blythe Road 89 Comment
  UCR244317  Peucephyllum schottii Jim Andre 2012-4-16 20892 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
  SEINET10801061  Peucephyllum schottii David B. Dunn 1948-2-21 Dunn 3664 Riverside Pushawalla; a rain about 2 weeks earlier in wash. Hills still quite dry. On steep banks of wash, clay. Comment
  RSA776236  Phacelia Duncan S. Bell 2010-3-20 606 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  RSA740084  Phacelia brachyloba Scott D. White, Justin M. Wood 2008-6-16 12149 Riverside San Jacinto Mountains: Meadow at Quinn Flat. 1378 Comment
  SD143850  Phacelia brachyloba A. C. Sanders, P. MacKay et al. 1997-5-4 20648 Riverside San Jacinto Mountains; north side along Highway 243, 1.5 mile below Twin Pines Ranch Road. 1067 Comment
  SBBG25246  Phacelia campanularia Leota Davidson 1965-5-12 220 -a Riverside Joshua Tree Nat Monument Comment
  SEINET5537057  Phacelia campanularia E. Neese 1979-4-10 7066 Riverside Joshua Tree National Monument south of Twenty-Nine Palms, between Pinto Basin junction and Cottonwood Wash. 305 Comment
  CAS-BOT-BC133969  Phacelia cicutaria Edmund C. Jaeger 1922-4-10 s.n. Riverside Palm Springs Comment
  RSA427686B  Phacelia cicutaria var. hispida Ora M. Clark 1929-3-17 1766 Riverside San Andreas Canyon [Riverside Co.?] Comment
  SDSU18405  Phacelia cicutaria var. hispida C. Matt Guilliams, Jeannine Ross 2008-3-12 523 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. Collections near the Dudleya multicaulis restoration site. 388 Comment
  UC1563073  Phacelia crenulata var. ambigua Steve Boyd and Orlando Mistretta 1986-3-13 1440 Riverside ne Desert Center; West side Palen Mts. Comment
  UCR268935  Phacelia crenulata var. ambigua Jim Andre 2015-3-2 31361 Riverside Mojave Desert, along Kolbe Road, northwest end of Coachella Valley at foot of Little San Bernardino Mountains, 0.2 mi west of intersection between Hwy 62 and Indian Avenue, road to Desert Hot Springs, 2.3 mi south of San Bernardino Co. line 529 Comment
  UCSB46581  Phacelia crenulata var. crenulata Trosino, Jill 1983-3-6 Riverside South side of CA Highway 195, 5.5 miles east of Mecca, Box Canyon Wash 60 Comment
  GMDRC9382  Phacelia crenulata var. minutiflora J. M. Andre 2017-3-4 37192 Riverside Big Maria Mountains: eastern base of range at Black Point, west side of US Hwy 95 34.2 mi. south of Vida Jct, at road to radio tower 94 Comment
  RSA426206  Phacelia distans N. C. Cooper 1945-5-24 2003 Riverside Big Oaks Canyon, Banning 1220 Comment
  RSA426223  Phacelia distans Ora M. Clark 1929-3-17 1697 Riverside Colorado Desert, south of Cabazon. Comment
  RSA74932  Phacelia distans F. W. Peirson 1928-4-24 7903 Riverside Cottonwood Springs, northern Colorado Desert Comment
  RSA775386  Phacelia distans Duncan S. Bell 2011-4-10 2244 Riverside Northwest side of the Arica Mountains; northwestern section of project area; collecting in a large wash approximately 3.5 air miles south of Highway 62. 299 Comment
  UC666583  Phacelia distans Harlan Lewis and Carl Epling 1942-4-26 1602 Riverside near Split Rock Tank; Joshua Tree National Monument Comment
  UC702030  Phacelia distans Frank W. Gould 1943-4-18 2147 Riverside near Banning (on the Idlewild cutoff) Comment
  UCR234299  Phacelia distans A. C. Sanders, John F. Green 2012-4-6 40016 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, along Temescal Cyn. Rd., between Campbell Ranch Rd. and Glen Ivy Electrical Substation, west of I-15 Fwy, c. 10 miles south of Corona 327 Comment
  UCR265842  Phacelia distans Mitch Provance 2012-5-24 512- 26 Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  JOTR33961  Phacelia fremontii La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2847 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; sandy wash and gravelly benches with bouldery granitic outcrops Comment
  RSA180420  Phacelia imbricata subsp. patula E. W. Lathrop 1965-5-23 5769 Riverside 9 miles W of Murrieta. 610 Comment
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Oct 30 2008
  SEINET10638466  Phacelia keckii John Thomas Howell 1931-5-30 Howell 6611 Riverside Santiago Peak, Santa Ana Mts. at 4000 feet. 1220 Comment
  CSUSB146  Phacelia minor Barry Glaser 1964-3-9 640903 10 Riverside Edwards Canyon in Elsinore Mountains. 20 yards from road. 914 Comment
  HSC101580  Phacelia minor Steve Boyd, Susan Jett 2008-3-20 11826 Riverside Peninsular Ranges; Santa Ana Mountains region: eastern flank of the range along El Cariso Trunk Trail, ca. 0.5 mi. north of Highway 74 732 Comment
  RSA151625  Phacelia minor R. C. Bacigalupi 1954-4-25 4397 Riverside First-year burn along Califor. Highway 79, close to summitof St. Jones Grae, +- 0.75 miles. south of Sage [9 1/2 miles north of juntion with Calif. Highway 71] 732 Comment
  RSA428083  Phacelia minor H. Twining 1888-03 s.n. Riverside Riverside. Comment
  RSA543757  Phacelia minor Steve Boyd, Tim Ross, Mike Hammitt 1991-5-2 6057 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  UCR112409  Phacelia minor A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23456 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
  POM3691  Phacelia mutabilis A. W. Anthony 1895-7-13 11723 Riverside [Unspecified] Comment
  RSA0036470  Phacelia ramosissima J. M. Andre 2012-6-15 30496 Riverside San Jacinto Mountains: Along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest. 1171 Comment
  HSC79409  Phacelia tanacetifolia Gerald Kaufman 1966-3-15 17 Riverside 2 mi. outside Palm Springs toward Indio, Cathedral City Blvd. 137 Comment
  UCR162053  Phacelia tanacetifolia T. B. Salvato 2003-4-15 175 Riverside Box Springs Mtns, University of California, Riverside. Road leading to Botanic Garden 396 Comment
  UC1265368  Phalaris caroliniana Robert F. Thorne and Earl Lathrop 1969-5-12 37951 Riverside Santa Rosa Plateau Mesa de Colorado; , Mesa de Colorado 624 Comment
  SEINET10658571  Phalaris caroliniana Robert F. Thorne, Earl W. Lathrop 1969-5-12 Thorne 37951 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California, desiccated margins of small vernal marsh N of large vernal marsh; with Navarretia prostrata, Pilularia americana, Deschampsia danthonioides gracilis, Psilocarphus br. brevissimus, Myosurus minimus, ect. 625 Comment
  UCR91871  Phalaris minor A. C. Sanders, K. D. Jones, D. Malueg 1996-4-20 18044 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  SD67915  Phlox austromontana Reid Moran 1968-8-3 15364 Riverside On rocky north slope, ridge 1 mile NW of Toro Peak. 2250 Comment
  SDSU21851  Pholistoma auritum Dang Dong, Stephanie Castillo, Lindsay Rubin 2016-4-16 5 Riverside San Magarita Ecological Reserve, Via Tornado, south side of San Margarita river, going uphill, south side of road. 357 Comment
  JOTR28818  Pholistoma membranaceum La Doux, Tasha 2005-3-1 1086 Riverside Joshua Tree National Park. 3.5 miles North of Cottonwood Visitor's Center at exhibit Comment
  RSA49358  Pholistoma membranaceum P. A. Munz 1949-4-11 13008 Riverside Near Conejo Well, north base of Eagle Mts. 915 Comment
  UCR178569  Pholistoma membranaceum R. G. Swinney 1967-2-4 0008 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 335 Comment
  CAS-BOT-BC135106  Phoradendron californicum R. F. Hoover 1966-10-15 10165 Riverside Dead Indian Canyon Comment
  RSA0125369  Phoradendron californicum Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8764 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting near the Martinez Slide, approximately 4 air miles northeast of the summit of Martinez Mountain. 264 Comment
  RSA132730  Phoradendron californicum Del Wiens 1953-12-5 868 Riverside Near junction of road from south end of Joshua Tree Nat. Mon. and U.S. 60 and 70. 152 Comment
  RSA220378  Phoradendron californicum C. W. Tilforth, John Dourley 1971-6-14 344 Riverside Between Chiriaco Summit and Red Butte Wash, aong aqueeduct maintenance rd. 534 Comment
  RSA601648  Phoradendron californicum Louis C. Wheeler 1956-2-25 7176 Riverside Deep Canyon, south of Palm Desert. Comment
  RSA771112  Phoradendron californicum Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4732 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
  UCR135809  Phoradendron densum A. C. Sanders, Guy Bruyea 2004-4-2 27429 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 335 Comment
  UCR241014  Phoradendron macrophyllum T. B. Salvato, Tracy Tennant 1998-4-16 MOR- 1214 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Potrero Canyon about 1 mile above locked gate, east side of road near old corrals, tree stand P-03 976 Comment
  CAS-BOT-BC171155  Phoradendron serotinum subsp. tomentosum Edmund C. Jaeger 1922-8-15 s.n. Riverside Chino Canon [Canyon], San Jacinto Mountains Comment
  CLARK-A1528-4361  Physalis crassifolia John C. Roos 1946-10-26 3149 Riverside Chuckwalla Mountains Comment
  POM184546  Physalis crassifolia C. Leo Hitchcock 1932-4-7 12201 Riverside Corn Springs, Eastern Riverside. Comment
  POM69675  Physalis crassifolia Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  RSA0112093  Physalis crassifolia Duncan S. Bell 2010-2-20 542 Riverside Arica Mountains; collecting in drainage in the southeast section of range, approx. 0.75 air mile west of Priest Well. 336 Comment
  RSA19416  Physalis crassifolia I. W. Clokey 1935-4-17 6881 Riverside Cottonwood Springs. Comment
  SD227911  Physalis crassifolia B. Pitzer 1998-1-24 3381 Riverside N foot of Chuckwalla Mts, Eagle Mt Rd, S side of Hwy I-10, 0.8 mi S of Hwy at powerline rd, & wash directly S of rd. 500 Comment
  SEINET7907900  Physalis crassifolia D. A. Johnson 2005-1 Riverside Between Coachella & S entrance to JoshuaTree Nat'l Park, S of Interstate 10 914 Comment
  UC884717  Physalis crassifolia Lewis S. Rose 1936-12-26 36830 Riverside 22 mi e Indio (Indio-Blythe Road) 762 Comment
  UCSB44889  Physalis crassifolia Collins, Elizabeth 1977-3-30 Riverside Corn Springs campground, 8 miles south of Hwy 10 457 Comment
  SEINET7048166  Physalis crassifolia Steven R. Hill 2001-5-3 33671 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
  UCR5867  Physalis philadelphica O. F. Clarke 1966-10-2 661002- 21 Riverside Riverside, residential garden of O.F. Clarke, 1012 Spruce Street [now the site of an apartment complex, 2001] 305 Comment
  UCR44841  Phytolacca americana Don Domenigoni 1986-4-21 s.n. Riverside The Young property , Hemet Comment
  RSA719527  Pinus contorta var. murrayana Naomi Fraga 2006-7-11 1712 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  UC64438  Pinus monophylla W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1880 Riverside e base San Jacinto Mt. San Jacinto Mt. 1219 Comment
  CDA18001  Pinus quadrifolia L. D. Merrill 1999-8-27 s.n. Riverside Burnt Valley Rd, Santa Rosa Mtns. 0 Comment
  RSA263777  Piperia cooperi R. Weatherby 1950-4-20 3055 Riverside Hagador Canyon 396 Comment
  RSA595275  Piptatherum miliaceum D. L. Banks, Victor Steinmann 1996-4-20 896 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. 536 Comment
  RSA645324  Plagiobothrys acanthocarpus Steve Boyd, Ian Gillespie 2000-4-15 10301 Riverside Gavilan Hills region: South flank of Alberhill Mountian, just east of the heavily mined area., Near 34 deg 42' 43.5''N 117 deg 22' 39.0''W 463 Comment
  UCR51353  Plagiobothrys canescens L. F. LaPre, Jack Easton 1988-1-21 s.n. Riverside Gavilan Plateau, Steele Peak., Section 9 Comment
  UCR102161  Plagiobothrys collinus Scott D. White 1997-2-28 4727 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  UCR135841  Plagiobothrys collinus A. C. Sanders 2004-4-20 27537 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
  UCR171959  Plagiobothrys collinus 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
  UCR234285  Plagiobothrys collinus A. C. Sanders, John F. Green 2012-4-6 40011 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, along Temescal Cyn. Rd., between Campbell Ranch Rd. and Glen Ivy Electrical Substation, west of I-15 Fwy, c. 10 miles south of Corona 327 Comment
  UCR97455  Plagiobothrys collinus 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 457 Comment
  JEPS29315  Plagiobothrys collinus var. californicus Rimo Bacigalupi and L. Heckard 1962-3-26 8411 Riverside lower slopes hills on east side of Walker Canyon (just ne of Alberhill) 381 Comment
  UCR114929  Plagiobothrys collinus var. californicus Julie A. Greene 1993-4-30 1278 A Riverside San Jacinto Valley, San Jacinto Wildlife Area. south of visitor center road and north of the old San Jacinto River drainage 433 Comment
  POM158442  Plagiobothrys collinus var. fulvescens P. A. Munz 1927-5-21 10856 Riverside San Carlos Pass, Ansa. 1372 Comment
  UCR241849  Plagiobothrys collinus var. fulvescens A. C. Sanders, Timothy W. Chumley 2013-4-5 40777 Riverside Peninsular Range, Temescal Canyon, around Ivyglen electrical substation near where Temescal Canyon Rd. passes under I-15, between substation and Campbell Ranch Rd. 328 Comment
  UCR92102  Plagiobothrys collinus var. fulvescens D. L. Banks, Steve Boyd 1995-6-2 0567 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 County boundary, c. 1/4 mi south of the clay grasslands in S32 890 Comment
  RSA763418  Plagiobothrys collinus var. ursinus Scott D. White, Justin M. Wood 2009-5-21 12875 Riverside Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  UCR117307  Plagiobothrys fulvus A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 739 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  JOTR34017  Plagiobothrys jonesii La Doux, Tasha, M. Harding 2010-4-7 2904 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
  RSA0012077  Plagiobothrys leptocladus Jeremiah George 2012-3-4 s.n. Riverside Lake Elsinore area, south of Nichols Rd. and east of Baker St. 387 Comment
  UCR116457  Plagiobothrys nothofulvus A. C. Sanders, T. B. Salvato 2001-3-30 23872 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. Pina Colada 366 Comment
  SD137833  Plagiobothrys tenellus Darin L. Banks, Steve Boyd 1995-5-9 407 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north face of Agua Tibia Mountain, The Dorland Mountain area. 733 Comment
  UCR140328  Plantago elongata A. C. Sanders, Guy Bruyea 2004-4-2 27418 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  UCR281120  Plantago elongata Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 24 Riverside Elsinore Trough, Periodic eastern shoreline of Lake Elsinore (e.g. 1994), in the City of Lake Elsinore, +- at the borderline with the Sedco Hills Neighborhood of the City of Wildomar, in open space along west side of Mission Trail at Lewis St. 387 Comment
  SDSU12233  Plantago erecta Tahirih Linz, M. G. Simpson 2000-4-1 2 Riverside Comment
  UCR150973  Plantago erecta D. L. Banks 1997-3-29 1589 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Headwaters of Pala Creek at the S extremity of the Reservation, north of the Riverside/San Diego Co. line, west of the intersection of Magee Truck Trail and Moreno Rd including a large area of vernally wet grassland at the extreme SW corner of the Reservation 409 Comment
  UCR225583  Plantago erecta A. C. Sanders, T. B. Salvato 2011-3-29 38872 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
  RSA781617  Plantago ovata Duncan S. Bell 2009-3-8 85 Riverside Arica Mountains: collecting on the mountains ridgeline at the northern part of mountain range approximately 2.7 air miles northwest of Priest Well. 565 Comment
  UCR103577  Plantago ovata George K. Helmkamp 1998-1-17 2543 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal .3 Comment
  UCR217800  Plantago ovata Jim Andre, T. La Doux 2010-2-28 12553 Riverside Lower Colorado River Valley, along Hwy 95 c. 25 miles north of Blythe, on east side of Big Maria Mountains, under radio tower 83 Comment
  RSA402024A  Plantago ovata var. fastigiata A. Menke 1955-3-26 s.n. Riverside No Palms near Desert Center, Hwy 70 Comment
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Feb 19 2013
  RSA773178  Plantago patagonica Duncan S. Bell, Joy D. England 2010-5-27 1128 Riverside San Bernardino National Forest: Garner Valley, just south of junction of forest service road 6S04 and forest service road 6S13. 1340 Comment
  UC845486  Platanthera leucostachys I. W. Clokey and E. G. Anderson 1935-8-21 6561 Riverside Fuller's Creek 1500 Comment
  RSA715447  Platanus racemosa A. C. Sanders, T. B. Salvato 2006-6-2 33073 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Canyon/Scott Road and north of Clinto Keith Road. 549 Comment
  SEINET10476457  Platanus racemosa James S. Miller 1992-5-8 Miller 7463 Riverside 5.5 mi E of the W boundary of San Bernadino National Forest on California route 74. 950 Comment
  UCR91742  Platanus racemosa A. C. Sanders, J. Goetzen 1996-5-1 18140 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  CAS-BOT-BC91878  Platystemon californicus Winfield 1975-5-1 2431 Riverside Cajalco Road - 1 mile west Lake Matthews Dam. Comment
  CLARK-A1528-1356  Platystemon californicus Cameron Duncan 1966-3-27 Riverside Woodcrest 548 Comment
  UCR22124  Platystemon californicus Steve Boyd 1980-4-11 127 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR79225  Plectritis ciliosa subsp. insignis Steve Boyd, T. S. Ross, Orlando Mistretta 1992-3-31 6761 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Tenaja Trail from junction with Morgan Trail S to Pigeon Spring area 793 Comment
  RSA0013229  Pleuraphis rigida April Garbat, Sarah De Groot 2013-4-9 45 Riverside Blythe-Rice Rd at a wash at the bottom of Rice Valley, 1.9 mi S of Hwy 62. 243 Comment
  UC912655  Pleuraphis rigida H. L. Mason 1928-3-10 4198 Riverside Whitewater River Comment
  JOTR31907  Pleurocoronis pluriseta La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2154 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash Comment
  CAS-BOT-BC326549  Pluchea sericea Geo. B. Grant 1906-4-20 s.n. Riverside Palm Springs Comment
  POM14167  Pluchea sericea P. A. Munz 1922-4-9 4912 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  SEINET2053981 Image available Pluchea sericea Howard S. Gentry 1947-7-26 7655 Riverside 8-10 miles N of Aguanga Comment
  RSA179490  Poa bulbosa E. W. Lathrop 1965-4-18 5661 Riverside 10 miles west of Murrieta. Comment
  SEINET949798 Image available Poaceae Michael L. Fugate 2007-1 Riverside San Bernardino Valley: Riverside at 1469 Claymore Court, just east of Sycamore Canyon (Riverside East 7.5' Q). 488 Comment
  UCR66446  Polygala cornuta var. fishiae P. A. Munz 1923-6-18 7127 Riverside Peninsular Range, Temecula Canyon Comment
  JOTR35172  Polygonum aviculare subsp. depressum Harding, Mitzi, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-9-14 160 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam 1301 Comment
  CDA22826  Polygonum lapathifolium P. Gordon-Reedy 1996-1 s.n. Riverside Shores of Lake Skinner. 0 Comment
  SD137999  Polypodium californicum Darin L. Banks, Steve Boyd 1995-2-16 50 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; north slope AguaTibia Mtn., south of Dripping Springs Alcove, east of Woodchuck Trail Comment
  UCR202603  Polypogon monspeliensis Scott D. White, Justin M. Wood 2008-7-9 12412 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  POM360771  Populus fremontii Howard Mullins 1931-4-6 s.n. Riverside Coachella Valley. Comment
  UC484086  Populus fremontii subsp. fremontii C. B. Wolf 1931-3-13 1882 Riverside Colorado River bottom at Blythe Bridge; Colorado River bottom at Blythe Bridge 91 Comment
  CAS-BOT-BC356166  Porophyllum gracile Carl B. Wolf 1932-4-29 3093 Riverside Eastern Colorado Desert. W. edge of Maria Mts. 17 mi. from Blythe on Rice Road 152 Comment
  CLARK-A1528-2063  Porophyllum gracile John C. Roos 1946-11-30 3169 Riverside Chuckwalla Mountains Comment
  JEPS35438  Porophyllum gracile W. L. Jepson 1928-4-25 12586 Riverside Eagle Mts., Cottonwood Spring Colorado Desert, Eagle Mts., Cottonwood Spring 731 Comment
  UCR121171  Porophyllum gracile D. E. Bramlet 1989-5-20 1877 Riverside Bachelor Mtn., S-facing slope of mountain, 1,500 ft. (0.28 mi.) north of Lake Skinner and 3,000 ft. (~0.5 mi.) E [NE] of the Dam. 537 Comment
  RSA71577  Portulaca halimoides J. C. Roos, Roos 1952-10-18 5900 Riverside Hidden Valley Campground 1220 Comment
  RSA0103579  Portulaca oleracea Duncan S. Bell 2015-9-30 8655 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  RSA769630  Potamogeton E. W. Lathrop 1969-6-5 7083 Riverside 8 miles west of Murrieta, on the Main Divide Truck Trail between Tenaja Road and Los Alamos Canyon 610 Comment
  UCR20509  Potamogeton crispus F. M. Reed 1936-5-6 9510 Riverside Riverside, concrete waterbox at the west end of 2nd Street. On an old ranch 256 Comment
  POM78961  Potamogeton foliosus I. M. Johnston 1925-7-7 s.n. Riverside Santa Ana River ca. 3 miles S of Wineville [Mira Loma Station]. 183 Comment
  CAS-BOT-BC453922  Potamogeton pectinatus Lathrop; Thorne 1967-9-26 6623 Riverside 6 mi. NW of Murrieta Comment
  SDSU14003  Potentilla glandulosa subsp. reflexa Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2103 Riverside El Valle. Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 640 Comment
  JEPS47218  Potentilla gracilis Carl V. Meyer June 1927 188 Riverside Saunder's Meadow Comment
  UCR17639  Proboscidea althaeifolia Hap Ritter, Paul Mack 1976-10-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, sand dunes southeast of Hopkins Well and west of Wiley's Well Road 152 Comment
  RSA0103440  Prosopis glandulosa var. torreyana Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8554 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  SEINET7048066  Prosopis glandulosa var. torreyana Steven R. Hill 2001-4-29 33543 Riverside Whitewater Canyon, along Whitewater River, east side of canyon, east of Whitewater Canyon Road, about 2 miles north of Route I-10. Elevation about 1800 feet. Comment
  SEINET2095798  Prosopis pubescens R. Harms 2003-4-1 Riverside San Andreas Oasis, Dos Palmas Reserve; -15 Comment
  UC472697  Prunus emarginata M. F. Spencer 1924-5-31 Riverside Upper Tahquitz Valley, San Jacinto Mountains Upper Tahquitz Valley; San Jacinto Mountains, Upper Tahquitz Valley 2438 Comment
  UC489222  Prunus emarginata C. V. Meyer 1928-7-31 606 Riverside San Jacinto Mountains, Tahquitz Valley Tahquitz Valley; San Jacinto Mountains, Tahquitz Valley 2286 Comment
  LA208139  Prunus fremontii Miss Helflaud; March 1925 6492 Riverside Palm Springs 121 Comment
  SBBG22983  Prunus fremontii D. Myrick 1965-3-4 1084 Riverside Palms to Pines Hwy 74 914 Comment
  CAS-BOT-BC154437  Prunus ilicifolia Mrs. E. C. Van Dyke 1928-5-18 s.n. Riverside Banning Comment
  SD72238  Prunus ilicifolia R. S. Woglum 1934-3-18 631 Riverside Snow Creek, north slope Mt. San Jacinto Comment
  POM126246  Psathyrotes ramosissima Thos. Craig 1927-4-2 61 Riverside Canyon near Hidden Springs. Comment
  RSA472314  Psathyrotes ramosissima M. B. Dunkle 1933-3-4 3035 Riverside Painted Canyon, Colorado Desert. 30 Comment
  UC90701  Psathyrotes ramosissima E. Palmer, M. D. March 1876 Riverside Valley of the Colorado Comment
  UCR20412  Psathyrotes ramosissima Dr. H. de Forest 1929-3-16 s.n. Riverside Sonoran (Colorado) Desert, San Gorgonio Pass Comment
  UCR279561  Psathyrotes ramosissima A. C. Sanders, Jim Malusa 2017-3-29 43169 Riverside Sonoran (Colorado) Desert, Orocopia Mountains, Canyon Spring wash c. 400 m above confluence with Salt Creek 344 Comment
  SEINET2053761 Image available Pseudognaphalium biolettii Ed LaRue 1989-3-30 Riverside Rancho California area, ca. 4 mi. W of Temecula, with Ave. del Oro as the N boundary. 381 Comment
  UCR268284  Pseudognaphalium californicum Jim Andre 2012-6-15 30510 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
  UCR110457  Psilocarphus brevissimus D. E. Bramlet 1998-4-22 2607 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
  RSA593908  Psilocarphus brevissimus var. brevissimus Steve Boyd, David E. Bramlet 1996-4-19 8600 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
  UCR67301  Psilocarphus brevissimus var. brevissimus A. C. Sanders, E. Rey, D. Willick 1991-4-19 10922 Riverside Edgemont area, east of Sycamore Canyon. 0.8 mile west of Hwy I-215, on Eastridge Dr. (=Eucalyptus), just west of Pepsi Plant 466 Comment
  UCR280821  Psilocarphus chilensis Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-5-25 517- 54 Riverside Elsinore Trough, Undeveloped area just NNE of Peter Lehr Drive at Diamond Circle, above the E side of the the San Jacinto River 387 Comment
  RSA698727  Psoralea E. Crow 1930-5-17 s.n. Riverside Shaver's Well Comment
  CLARK-A1528-5673  Psoralea physodes John C. Roos 1960-5-30 Riverside Santa Ana Mountains 1219 Comment
  UCR42545  Psorothamnus arborescens B. G. Pitzer 1986-4-26 0189 Riverside San Bernardino Mtns., Whitewater Canyon, c. 4.5 mi. north of Hwy I-10 on Whitewater Canyon Road 734 Comment
  RSA707352  Psorothamnus emoryi Jonathan Snapp-Cook, Kurt Roblek, Kevin B. Clark, Reas Chavez 2005-6-30 CFW- 07 Riverside Rancho Mirage, eastern Riverside County. 0.5 miles NWW of intersection of Ramon Road and Los Alamos Way. This area is referred to as Big Dune. 91 Comment
  CAS-BOT-BC340910  Psorothamnus schottii H. M. Hall 1905-4-1 5781 Riverside Colorado Desert. 10 miles west of Coachella 152 Comment
  POM126307  Psorothamnus schottii Thomas Craig 1927-4-2 45 Riverside Hidden Springs Canyon; Colorado Desert. Comment
  RSA788556  Psorothamnus schottii Duncan S. Bell 2012-3-8 3148 Riverside Southern section of the Mecca Hills; north side of the canal, approximately 4.75 air miles southeast of where Box Canyon Road crosses the Coachella Canal. 16 Comment
  JOTR32399  Psorothamnus spinosus Harding, Mitzi, A. Benton 2011-7-13 16 Riverside Joshua Tree National Park. Pinto Basin; Smoke Tree Wash; sandy, open flat along Pinto Basin road, just north of Smoke Tree Wash 809 Comment
  RSA482019  Pteridium aquilinum var. pubescens Richard Noyes, L. Arnseth 1988-9-10 730 Riverside San Jacinto Mountains: South Ridge Trail, southwest of Tahquitz Peak. 2072 Comment
  RSA343093  Pterostegia drymarioides Robert F. Thorne, Walter Wisura, Earl Lathrop, Sara Meury 1985-5-18 60621 Riverside Santa Rosa Plateau: Burned-over chapparral along Clinton Keith Road, near base of plateau. 427 Comment
  RSA522713  Pterostegia drymarioides Steve Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3899 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
  UC1930054  Pterostegia drymarioides Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10456 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
  CDA7612  Pulicaria paludosa A. C. Sanders, Chet McGaugh 2001-7-26 24472 Riverside Perris-Aguanga Basin region; Mockingbird Creek, beside Harley John Rd. just above Mockingbird Canyon Rd., Woodcrest area, Riverside Comment
  JOTR31181  Purshia tridentata var. glandulosa La Doux, Tasha, G. Clifton 2009-5-14 1978 Riverside Joshua Tree National Park. (Stop 1)Little San Bernardino Mountains, Upper Covington Flats, west of trail head 1474 Comment
  SBBG84104  Quercus X morehus J. Farmer 1986-9-20 Riverside Hwy 243, 2-3 mi S of Idyllwild and 2-3 mi N of Mountain Center 1584 Comment
  RSA39111  Quercus X munzii C. Epling 1945-1 s.n. Riverside Near Keyes Ranch, Little San Bernardino Mts. Comment
  SDSU13621  Quercus agrifolia var. agrifolia W. Miller with C. Mosse 1972-7-20 Riverside Comment
  SBBG118928  Quercus agrifolia var. oxyadenia R. E. Riefner, A. Sanders 2005-8-12 05 -599 Riverside vicinity of McMullen Flat on SR 243 at Valley Hi County Park; San Jacinto Mtns 1139 Comment
  HSC34608  Quercus berberidifolia A. M. Montalvo, J. D. Ackerman 1975-6-26 520 Riverside Cleveland National Forest, Hwy. 74 between San Juan Capistrano and Lake Elsinor near Upper San Juan Campground, Comment
  OBI74435  Quercus berberidifolia David J. Keil 1983-4-15 16907 Riverside East of Temecula on SR 79 Comment
  RSA180342  Quercus berberidifolia E. W. Lathrop 1965-10-27 6020 Riverside 10 miles West of Murrieta. 640 Comment
  SD186231  Quercus berberidifolia A. C. Sanders, T. B. Salvato 2004-2-16 27392 Riverside Foothills at edge of Temescal Valley, south of Brown Canyon. 451 Comment
  UCR249999  Quercus berberidifolia Jeremiah George 2012-8-13 s.n. Riverside San Gorgonio Pass/Moreno Badlands, west of Beaumont, just east of junction of 60 Fwy and Jackrabbit Trail, off frontage road dead end 716 Comment
  UCR250923  Quercus berberidifolia Jeremiah George 2012-8-7 70812- 3 Riverside Beaumont, Western Knolls, north central slope of eastern half of bench between Hwy 60 and Oak Valley Parkway, east of Potrero Blvd. 747 Comment
  UCR280998  Quercus berberidifolia Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-1 617- 02 Riverside Temescal Valley, Along the south side I-15, transmission right-of-way, 0.3 mi SE of Horsethief Canyon Rd. 384 Comment
  SBBG1317  Quercus cornelius-mulleri H. and M. Dearing 1937-11-28 2789 Riverside Palms to Pines Hwy Comment
  RSA0091964  Quercus durata var. gabrielensis Mitch Provance 2012-9-13 912 -01 Riverside Badlands of Western Riverside County: Potrero Creek, S end of City of Beaumont, E side of Highland Springs Rd., +/- 1 mi. N of entrance to CDFG Potrero Reserve. 744 Comment
  SEINET2066665 Image available Quercus john-tuckeri Ward B. Holt 1941-10-21 10 -1941 Riverside Near Split Rock, Joshua Tree N.M. Comment
  POM123042  Quercus kelloggii Marcus E. Jones 1924-8-30 s.n. Riverside San Jacinto Mountains; Tahquitz trail. Comment
  SD229176  Quercus kelloggii Dick Schwenkmeyer 2012-8-28 816 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
  UCD47106  Quercus palmeri Rudolph Fischer 1965-10-8 4 Riverside East foothills of Thomas Mountain, Santa Rosa range, State Highway 74, ca. 10 miles south of Keen Camp, Riverside County, California. 1341 Comment
  UCD95012  Quercus wislizeni var. frutescens R. E. Riefner Jr. 2006-10-11 06- 530 Riverside E of Rainbow Canyon, N of Rainbow Heights, Termite's Hike Trail. 595 Comment
  RSA314643  Rafinesquia californica R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55452 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  RSA525415  Rafinesquia californica Steve Boyd, Laurel Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4523 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at junction of Highway R3 and Powerline Road, NE of the lake. Comment
  RSA653157  Rafinesquia californica Mitch Provance 1998-6-6 694 Riverside Jurupa Mountains: Jensen Quarry, Sunnyside area on W side of Sierra Blvd, just E of corner of 29th St. and Scenic Drive 305 Comment
  RSA701404  Rafinesquia californica Steve Boyd, Aydee Virgen 2004-4-13 10889 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  RSA26987  Rafinesquia neomexicana C. L. Hitchcock 1940-4-2 5919 Riverside Cottonwood Spring wash, Joshua Tree National Monument. Comment
  RSA779696  Rafinesquia neomexicana Duncan S. Bell 2010-4-2 722 Riverside Arica Mountains: east side of mountain range, approximately 2.4 air miles northwest of Priests Well, or approximately 5.7 air miles southwest of the ghost town of Rice. 419 Comment
  SEINET3104761  Rafinesquia neomexicana Faulkner 1978-3-20 330 Riverside Near Big Maria Mtns, 1 mi west of Colorado River. 152 Comment
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Sep 9 2013
  UCR72185  Rafinesquia neomexicana Theo Glenn 1992-3-31 92 3 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  UCSB7398  Rafinesquia neomexicana Beeks, R. 1953-4-4 Riverside U.S. 99, opposite Twenty Nine Palms turnoff Comment
  OBI32516  Ranunculus californicus Kirk Taylor 1976-5-23 20 Riverside Mesa de Colorado. 9 mi W of Murrieta on Tenaja Rd 549 Comment
  POM13799  Ranunculus cymbalaria var. saximontanus P. A. Munz 1922-4-30 5139 Riverside Tucalota Creek, south of Hemet Comment
  UCR102732  Rhamnus crocea B. G. Pitzer 1998-1-25 3422 Riverside Lakeview Mtns., Reinhardt Canyon, Maze Stone County Park, at N terminus of California Avenue 610 Comment
  CAS-BOT-BC56043  Rhamnus ilicifolia A. C. Sanders; Tracy Tennant; Jeff Ross 1998-8-20 22217 Riverside San Bernardino Mtns.: Morongo Indian Reservation, Middle Branch Millard Canyon 1341 Comment
  JOTR31124  Rhamnus ilicifolia La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 2506 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Sandy narrow canyon at base of Quail Mountain with bouldery/rocky slopes; North end of Juniper Flats (Stop 3) Comment
  SBBG87983  Rhamnus ilicifolia L. F. LaPre, J. Easton 1988-1-27 Riverside Santa Rosa Springs Ranch, Santa Rosa Plateau Comment
  UCR139048  Rhamnus ilicifolia D. L. Banks 1997-3-1 1354 Riverside NW Palomar Mtns, Agua Tibia Mtns, 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 427 Comment
  RSA689699  Rhododendron occidentale Valerie L. Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1707 Riverside Fuller Mill Creek Picnic Area. 1524 Comment
  UCR34998  Rhus aromatica L. B. Ziegler 1974-4-2 521 Riverside San Jacinto Mountains, foothills of the San Jacinto Mountains, hillside slopes of lower Bautista Canyon 612 Comment
  UCR166699  Rhus laurina Scott D. White, Jennifer H. Jones 2005-7-5 11150 Riverside Santa Ana Mtns, Rainbow Valley area, west of I-15 and just N of San Diego Co. boundary 579 Comment
  RSA1250  Ribes indecorum B. D. Stark 1930-3-18 1487 a Riverside 1/2 way up west side of Mt San Jacinto. Comment
  RSA38708  Ribes indecorum Percy C. Everett 1945-6-7 11501 Riverside Indian Canyon, along Indian Canyon Truck Trail. 777 Comment
  RSA476214  Ribes nevadense Gale Sphon 1955-5-21 s.n. Riverside Fullermill Creek. Comment
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Feb 22 2013
  SD216485  Ribes nevadense Jay B. Walker 1995-5-3 1410 Riverside San Bernardino National Forest, South of Pinyon Flat Campground, at terminus of USFS Road. 1900 Comment
  SFV20141  Ribes nevadense J. N. Hogue, J. M. Wrublik 2000-5-30 153 .1 Riverside San Jacinto Mountains Black Mountain. Black Mountain Trail at Cinco Poses Spring. 2130 Comment
  UC489157  Ribes nevadense C. V. Meyer June 1927 174 Riverside Dark Canyon San Jacinto Mts. 1828 Comment
  UCR125994  Ribes quercetorum Dave Goodward 2003-1-31 s.n. Riverside Box Springs Mountains, canyon SW of Pigeon Pass Rd, just before it begins climbing, c. 150 m south of the dump 427 Comment
  RSA736851  Ricinus communis Scott D. White, Angelia Carey 2004-7-2 10596 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  SD239844  Romneya coulteri A. C. Sanders, John F. Green 2012-6-1 40222 Riverside Peninsular Range; Santa Ana Mtns. Region: hills between I-15 and Temescal Canyon Rd., 0.22 km south (178a^z) of El Hermano Rd. junction with Temescal Canyon Rd., NW of Lee (Corona) Lake. 324 Comment
  SEINET3245813  Romneya coulteri A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-1 38413 Riverside Peninsular Range: southeastern Gavilan Hills near Alberhill, north of Concordia Ranch Rd. at north end of Black Powder Rd. (Alberhill 7.5') 399 Comment
  UC284743  Romneya coulteri P. A. Munz 1923-6-14 7108 Riverside Trail, Glen Ivy to Santiago Peak, Santa Ana Mountains Glen Ivy; Santa Ana Mountains 1005 Comment
  UCR251975  Romneya coulteri Marissa Manahan 2011-4-25 s.n. Riverside Walker Canyon, along I-15 Freeway NW of Lake Elsinore Comment
  CAS-BOT-BC92170  Romneya coulteri var. coulteri L. R. Abrams 1913-7-16 s.n. Riverside Between Elsinore and Corona. Comment
  CLARK-A1528-364  Rorippa nasturtium-aquaticum Stephen J. Southwell 1971-5-25 Riverside West Riverside 304 Comment
  UCR114544  Rorippa nasturtium-aquaticum A. C. Sanders, K. C. Rose 1999-6-18 22812 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave. near Rawson Rd. 451 Comment
  UCR125229  Rorippa nasturtium-aquaticum Mitch Provance, Twoc Tran 1998-5-30 560 Riverside Jurupa Mountains, N end of 'Wilder's Canyon' (E fork of Pyrite Canyon), c. 0.25 miles SE of peak 1538. 351 Comment
  POM17512  Rosa californica Philip A. Munz 1923-6-18 7126 Riverside Temecula Canyon. Comment
  RSA761162  Rosa californica Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 694 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UCR202029  Rumex Denise Woodard, G. Nuhn 1995-8-21 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, 300 acre parcel at west end of Domenigoni Valley, c. 3 miles south of Winchester on the west side of Winchester Rd. 470 Comment
  CAS-BOT-BC433322  Rumex crispus A. J. Mc. 1892-5-1 s.n. Riverside Elsinore Comment
  UCR45196  Rumex obtusifolius A. C. Sanders 1986-5-10 6498 Riverside Western Colorado Desert, Coachella Valley, mouth of the Whitewater River, along the levee where the river crosses Lincoln St., 3 mi south of Mecca -70 Comment
  SEINET13203160 Image available Rumex salicifolius T. B. Salvato, Melissa Clemons 2005-1 1412 Riverside Peninsular Range: Gavilan Hills, c. 0.75 mile south-southeast of Stelle Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore (Lake Elsinore 7.5' Q.) 579 Comment
  POM12801  Rumex salicifolius var. denticulatus P. A. Munz 1922-6-23 5777 Riverside Hemet Valley 1372 Comment
  UCR89792  Rumex salicifolius var. denticulatus Scott D. White 1993-5-27 1412 Riverside North Alberhill Ranch, hills north of Walker Canyon 488 Comment
  RSA90061  Rumex salicifolius var. denticulatus E. K. Balls, Percy C. Everett 1953-8-19 18546 Riverside Red Fir Forest; Santa Rosa Spring 2134 Comment
  SBBG45005  Ruppia maritima L. C. Wheeler 1931-11-26 374 Riverside Salton Sea, 2 mi SE Salton Bench Mark Co -76 Comment
  RSA0108534  Sagittaria latifolia I. M. Johnston 1925-7-7 5288 Riverside Santa Ana River ca. 3 miles S of Wineville [Mira Loma Station]. 183 Comment
  CAS-BOT-BC6028  Salicornia subterminalis Samuel Bonsal Parish; William Fletcher Parish 1882-6-1 1520 Riverside San Jacinto Plains Comment
  UCR114253  Salicornia virginica Stan C. Spencer 2000-2-1 s.n. Riverside Temecula Valley, Murrieta Creek at confluence with Empire Creek (Long Canyon) 329 Comment
  CAS-BOT-BC103891  Salix exigua 1932-4-12 s.n. Riverside unspecified Comment
  CAS-BOT-BC103892  Salix exigua Steve Boyd; Aydee Virgen 2004-4-13 10860 Riverside Peninsular Ranges; Santa Ana Mountains region: San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  UCR178565  Salix exigua R. G. Swinney 1967-3-5 0062 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 381 Comment
  UCR278877  Salix exigua Mitch Provance 2012-7-14 712- 17 Riverside San Gorgonio Pass, Banning, Smith Creek and adjacent alluvial terraces, north of Old Idyllwild Rd., and west of Hwy. 243. 689 Comment
  POM319279  Salix lasiolepis Patricia Wilder 1972-2-18 5356 Riverside North side of Norco, along the Santa Ana River at the end of Pedley St. 229 Comment
  RSA0013133  Salix lasiolepis LeRoy Gross, Caitlin Elam 2013-5-14 6051 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
  UC64012  Salix lasiolepis H. M. Hall 1901-6-1 2350 Riverside Tahquitz Valley San Jacinto Mountains 2438 Comment
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Sep 2 2011
  RSA500103  Salsola australis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3667 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  SEINET229272 Image available Salsola iberica L. M. Shultz, JS Shultz 1985-4-16 8257 Riverside Chuckawalla Valley sand dunes east of the Chuckawalla Mounatins 122 Comment
  JEPS59863  Salsola tragus Frank W. Peirson 1918-1 7 Riverside e. base Mt. San Jacinto, Andreas Canyon Comment
  RSA606303  Saltugilia australis Jon E. Keeley 1994-4-22 25338 Riverside Shipley Reserve. 590 Comment
  UCR116415  Saltugilia australis S. J. Myers 2001-4-6 s.n. Riverside San Jacinto Mtns., Bautista Canyon 976 Comment
  UCR118400  Saltugilia australis A. C. Sanders 1994-5-30 14584 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  RSA0094960  Saltugilia australis Steve Boyd, Tim Ross 1992-5-15 7395 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. 671 Comment
  RSA78776  Saltugilia splendens Percy C. Everett, E. K. Balls, L. W. Lenz 1952-7-1 17272 Riverside San Jacinto Mountains: .5 miles SE o Lake Fulmore on road to Idyllwild from Banning. 1220 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
  RSA776226  Salvia carduacea Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 878 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 793 Comment
  UC63763  Salvia carduacea H. M. Hall Riverside Perris Valley Comment
  RSA0047269  Salvia columbariae J. Mark Porter, Lauren E. Machen 1997-2-15 11422 Riverside North of Interstate 15 at the Lake Street/Walker Canyon exit, 4.4 mi NE of the Hwy 74 exit at Lake Elsinore. 390 Comment
  RSA401491  Salvia columbariae Ora M. Clark 1929-2-22 1582 Riverside E. of Whitewater Comment
  RSA628480  Salvia columbariae A. C. Sanders 1994-5-30 14600 Riverside NNE of Beaumont at Highland Springs, hills N of the end of Bellflower Ave. at Dutton St. 950 Comment
  RSA766613  Salvia columbariae Thomas Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-27 173 Riverside Mecca Hill Wilderness. Wash Route off Hwy 195/ Box Canyon Rd. Near wilderness boundary. 366 Comment
  UCSB5776  Salvia columbariae Broder, Richard 1958-3-1 Riverside 1.5 miles up White Water canyon Comment
  RSA0073234  Salvia columbariae Bonnie C. Templeton, I. W. Clokey 1930-4-9 1004 Riverside San Gorgonio Pass, north end of Colorado Desert. 609 Comment
  UC416703  Salvia eremostachya L. G. Childs 1920-11-26 Riverside Martinez Canyon; Colorado Desert, Santa Rosa Mts. Comment
  JEPS16863  Salvia greatae Marjorie D. Clary 1933-4-9 2185 Riverside 4 mi n Dos Palmos (n Colorado Desert); Colorado Desert 121 Comment
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Apr 29 2008
  RSA613429  Salvia mellifera D. L. Banks 1997-4-5 1663 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountin, just east of the Wilderness Area boundary with the Pechanga Indian Reservation, along a tributary of the north fork of Pechanga Creek. 671 Comment
  UC1929897  Salvia mellifera Scott D. White, Angelia Carey 2004-7-2 10588 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. San Jacinto 7.5' Quad. Comment
  UCR121650  Salvia mellifera A. C. Sanders, Kent Beaman 2002-5-10 25046 Riverside Santa Ana Mtns., Santa Rosa Plateau, hills west of the head of De Luz Creek, 0.4 mi. south of Tenaja Rd. on west side of Calle Roble near Avenida Matorral 671 Comment
  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
  UCR143464  Salvia mohavensis Carl Epling, Wm. Robison 1933-6-26 s.n. Riverside Southern Mojave Desert, Little San Bernardino Mtns., Key's View 1524 Comment
  UC25678  Salvia pachyphylla Mr. Hoak 1892-1 Riverside Mt. San Jacinto Comment
  UCLA49888  Salvia pachyphylla C. Epling 1938-8-14 Riverside Santa Rosa Mountains Comment
  RSA219218  Salvia pachyphylla subsp. pachyphylla C. W. Tilforth, John Dourley 1970-9-2 297 Riverside Exposed slopes at higher elevations along road to Santa Rosa Mtn. Comment
  CSUSB1000  Sambucus mexicana Robert M. Hasegawa 1976-4-14 Riverside Box Springs Mountains Box Springs Mountains. 1/8 mile past road's end, east Big Springs Road. 274 Comment
  CSUSB697  Sambucus mexicana Leland R. Dykes 1962-4-22 40 Riverside Along state highway 71, 7 miles south of Corona Comment
  CLARK-A1528-3839  Samolus parviflorus John C. Roos 1937-6-7 497 Riverside Aguanga Comment
  UCR29260  Sanicula tuberosa A. C. Sanders, K. Berg 1980-5-1 01358 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley area, 1.8 mi NE of Kenworthy Ranger Station on Morris Ranch Road 1616 Comment
  RSA249824  Sarcodes sanguinea R. F. Thorne, C. W. Tilforth, J. P. Simon 1969-6-24 38122 Riverside San Bernardino National Forest, San Jacinto Mountains.: Above and in James Reserve. 1677 Comment
  UC73512  Sarcostemma cynanchoides subsp. hartwegii M. F. Gilman 1904-1 35 Riverside Banning Comment
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Mar 13 2011
  SEINET4566951 Image available Sarcostemma hirtellum Scott D. White 2001-4-17 8337 Riverside Sonoran Desert: Shavers Valley. North of the I-10 Freeway, ca. 16 miles east of Indio jtn. I-10/ SR 111. Bajadas, washes, and mtn. foothills near powerline access roads at unnamed freeway exit accessing pump station. 457 Comment
  GMDRC3551  Schismus barbatus J. Andre, T. La Doux 2009-2-25 10812 Riverside Chuckwalla Mountains: growing on rocky (granitic) north-facing slope, approx 0.5 mi. south of I-10 freeway at Eagle Mtn Rd exit, USGS 7.5 min. Quad: Desert Center 33 deg. 41.303' N 115 deg. 27.236' W. Elev. 1358 ft. 414 Comment
  UCR114145  Schismus barbatus B. G. Pitzer, J. Ross 1998-3-8 3606 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  RSA651603  Schismus barbatus Marion P. Harthill 1973-2-17 1580 Riverside Scissors Crossing, [to?] Palm Springs 731 Comment
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May 2 2016
  RSA736655  Schoenoplectus americanus Justin M. Wood 2008-7-16 31 Riverside Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan property, Alberhill area. Comment
  RSA357124  Schoenoplectus maritimus Robert F. Thorne, M. Z. Thorne, E. W. Lathrop 1968-5-8 37609 Riverside Lake Elsinore: behind levee at SE end of Lake Elsinore, ca. 1 mile S of Elsinore. Comment
  UCR111565  Schoenoplectus pungens var. longispicatus Mitch Provance 1999-5-4 1692 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  CAS-BOT-BC111017  Scirpus microcarpus I. Johnston 1916-4-21 12 Riverside Between Upland & Cucamonga (Red Hill) Comment
  POM1416  Scirpus microcarpus L. T. Street, M. Durant 1918-5-12 s.n. Riverside San Jacinto River Canyon. Comment
  UC1076479  Scleranthus annuus subsp. annuus Herbert L. Mason 1926-4-30 3125 Riverside Pala Grade Comment
  JEPS86531  Scrophularia californica subsp. floribunda Roy E. Buck 1988-4-1 867 Riverside 7 air km w Lake Elsinore (town) (2.0 air km nw of confluence of Harlon Canyon and Johnson Canyon drainages, above CA Hwy 74 near top of grade); Elsinore Mts 780 Comment
  RSA182336  Scrophularia californica subsp. floribunda J. D. Olmsted 1962-5-2 3448 Riverside By saddle just N of highest part of Box Spring Mountains. 777 Comment
  RSA425201  Scrophularia californica subsp. floribunda Bonnie C. Templeton, I. W. Clokey 1930-4-15 1480 Riverside North of Gavilan Peak. 550 Comment
  UC494718  Scrophularia californica subsp. floribunda Philip A. Munz 1932-3-24 12029 Riverside s Elsinore lake 365 Comment
  UCR116054  Scrophularia californica subsp. floribunda Jeffrey Ross, T. Tennant, G. White 1998-5-21 MOR- 213 Riverside San Bernardino Mtns., Morongo Indian Reservation, upper Hathaway Canyon, c. 1.25 miles north of the junction of the lower and upper canyons 945 Comment
  SD51951  Scutellaria bolanderi subsp. austromontana Reid Moran 1962-7-7 9852 Riverside 2 miles SW of Idyllwild, in shade by Strawberry Creek 1550 Comment
  CAS-BOT-BC69810  Selaginella bigelovii Lewis S. Rose 1959-1-14 59014 Riverside White Water. 426 Comment
  RSA523511  Senecio californicus Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-3-30 3971 Riverside Vail Lake area, valley between Black Hills & Rocky Ridge. 701 Comment
  UCR100027  Senecio californicus A. C. Sanders, G. K. Helmkamp 1997-3-15 19981 Riverside Lake Skinner area, NE shore of Skinner Lake, SE foot of Bachelor Mtn., NE slopes of a small hill 473 Comment
  UCR34950  Senecio californicus L. B. Ziegler 1969-5-27 367 Riverside San Jacinto Mtns., Cahuilla Indian Reservation 1113 Comment
  UCR90303  Senecio californicus F. M. Reed 1922-4-16 4694 Riverside Top of the Box Springs Mtns. 732 Comment
  POM299279  Senecio douglasii var. monoensis A. M. Alexander, Louise Kellogg 1941-5-9 2142 Riverside Cottonwood Spring, Eagle Mountains 884 Comment
  CAS-BOT-BC323971  Senecio flaccidus var. douglasii Annie M. Alexander; Louise Kellogg 1941-5-9 2142 Riverside Cottonwood Spring, Eagle Mountains. 883 Comment
  CAS-BOT-BC323972  Senecio flaccidus var. douglasii Donald A. Johansen 1933-7-14 712 Riverside Mesa Mira, from Yucaipa towards Oak Glen and from there towards Beaumont. 1524 Comment
  RSA11744  Senecio flaccidus var. douglasii C. Epling, Wm. Robison 1933-6-24 s.n. Riverside Little San Bernardino Mountains. San Gorgonio Wash, near Banning Comment
  RSA0125005  Senecio flaccidus var. douglasii N. Cooper 1949-6-3 4149 Riverside Temecula. 762 Comment
  UC831930  Senecio flaccidus var. monoensis I. W. Clokey 1935-4-17 6937 Riverside Cottonwood Springs Comment
  RSA709863  Senecio mohavensis Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4588 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UCR75060  Senecio mohavensis A. C. Sanders, E. J. Lawlor 1992-4-4 12125 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA0096810  Senecio vulgaris Duncan S. Bell, Andrew Chambers 2015-3-12 7786 Riverside San Gorgonio Wilderness area; Whitewater Canyon; about 0.75 air miles northeast of Red Dome. 863 Comment
  RSA523870  Senecio vulgaris Gordon H. True 1935-4-1 199 Riverside Box Springs. 366 Comment
  SD113531  Senegalia greggii Frank F. Gander 1936-6-14 360 Riverside San Jacinto, desert side Comment
  JOTR34310  Senna armata Andre, Jim 2012-4-11 20725 Riverside Joshua Tree National Park. Pinto Basin; along road to Cootonwood, I mi NW of Fried Liver Wash, approx. 15 mi S of Hwy 62 in Twentynine Palms 617 Comment
  UC465735  Sesuvium verrucosum J. E. Roadhouse Aug. 1905 505 Riverside California Ave. Riverside Comment
  SEINET10594020  Setaria verticillata Salvato 2005-5-17 SALVATO 932 Riverside San Jacinto Mtn foothills: San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy 74 (Blackburn Canyon 7.5' Q. Old clearing on sandy alluvial terrace, riparian forest and wash woodland. 549 Comment
  UC1620068  Sibaropsis hammittii Steve Boyd and Tim Ross 1992-3-31 6771 Riverside Elsinore Peak Santa Ana Mountains, USGS Wildomar 7.5' quadrangle 1011 Comment
  CSUSB592  Sidalcea malviflora Ray O. Perez 1955-5-20 Riverside Lake Hemet Lake Hemet- north shore Comment
  UCR91628  Sidalcea malviflora subsp. malviflora D. L. Banks, Steve Boyd 1995-5-9 405 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, west of the Dripping Springs Alcove, west of Woodchuck Campground. 738 Comment
  UC1930011  Sidalcea malviflora subsp. sparsifolia Scott D. White, Justin Wood 2008-5-15 12007 Riverside San JAcinto Mountains: Johnson Meadow. (Idyllwild) Comment
  SD152886  Silene gallica Steve Boyd, Orlando Mistretta 1992-4-23 7056 Riverside Southern Santa Ana Mountains, along San Mateo Creek from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 245 Comment
  UCR231768  Silene gallica John F. Green 2008-4-21 02- 02 Riverside Peninsular Range, south edge of Perris, drainage way between housing tracts, west of Goetz Rd. and east of Alabaster Loop 450 Comment
  RSA764125  Silene laciniata subsp. major L. M. Prince, Duncan S. Bell 2009-6-17 576 Riverside Cleveland National Forest Comment
  UC640586  Silene laciniata subsp. major H. L. Mason 1926-5-2 3202 Riverside Temecula Valley Comment
  UC8483  Silene parishii H. M. Hall May 17 1901-Jun 1 1901 Riverside near summit Santa Rosa Peak; near summit Santa Rosa Peak Comment
  UCR23678  Silene parishii John C. Roos 1936-9-15 2515 Riverside San Jacinto Mountains, Devil's Slide Trail above Idyllwild. Comment
  RSA701743  Silene verecunda Steve Boyd, Valerie Soza 2004-6-22 11540 Riverside Western flank of the range in Hall Canyon, at the south end of Lake Fulmor, just north of Hwy 243. 1646 Comment
  HSC101265  Simmondsia chinensis Jim Andre 2012-3-19 21375 Riverside Palen Valley; along Palen Pass Rd. (dirt), 7.1 mi. east of Hwy. 177. 321 Comment
  HSC3796  Simmondsia chinensis C. L. Hitchcock, C. V. Muhlick 1964-3-22 23266 Riverside W end of Pinto Basin, Joshua Tree National Monument. Comment
  RSA0124803  Simmondsia chinensis Duncan S. Bell, LeRoy Gross 2016-3-31 9198 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 591 Comment
  UCR17615  Simmondsia chinensis N. R. Zabriskie, W. W. Zabriskie 1970-3-28 277 Riverside Sonoran (Colorado) Desert, Andreas Canyon, near Palm Springs. c. 25' upstream from #276, alongside trail, 50' south of Andreas stream, opposite mouth of 'North Canyon 366 Comment
  UCR177637  Sisymbrium altissimum S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., Reed Valley at beginning of powerline trail to Juan Diego Flats, NW of Cahuilla Mountain 1037 Comment
  SBBG53811  Sisymbrium erysimoides O. F. Clarke 1977-10-24 Riverside UC Riverside Campus, in garden E of the Agricultural Extension Offices Comment
  RSA0042480  Sisymbrium irio Duncan S. Bell, Evan Meyer 2014-4-2 6491 Riverside Orocopia Mountains; Orocopia Mountain Wilderness boundary; southern section of range; approximately 0.4 air mile south of Canyon Spring. 352 Comment
  RSA502907  Sisymbrium irio Ed LaRue 1989-4-7 s.n. Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd & Mockingbird Canyon Road 3