Search Results — 2000 specimen records retrieved (1889 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  LA6360  Abies concolor Carl Epling; Elizabeth McClintock 1937-5-24 sn Riverside San Jacinto Mountains, Fern Valley, Idyllwild Comment
  CAS-BOT-BC229336  Abronia villosa Roxana S. Ferris 1918-6-14 966 Riverside In desert at Palm Springs Comment
  CAS-BOT-BC229358  Abronia villosa C. L. Hitchcock 1940-4-4 5951 Riverside Pinto Basin Comment
  JEPS61234  Abronia villosa E. E. Schellenger May 1920 Riverside canyon e Coachella; Colorado Desert Comment
  POM14999  Abronia villosa Mary F. Spencer 1922-3-23 1330 Riverside Mecca, Colorado Desert -49 Comment
  RSA652380  Abronia villosa Marion P. Harthill 1971-3-19 15 Riverside Palm Desert. Comment
  SBBG1867  Abronia villosa H. and M. Dearing 1939-12-31 4047 Riverside 5 mi N of Palm Springs Comment
  UC101376  Abronia villosa D. Cleveland 1887-5-13 740 Riverside Tenecula Comment
Read comments
Mar 27 2011
  RSA716396  Abronia villosa var. aurita Scott D. White, Angelia Carey 2004-4-5 9978 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  RSA747727  Abronia villosa var. aurita Justin M. Wood 2009-3-26 395 Riverside Western foothills of Mecca Hills, +/- 0.5 air mile east of the Coachella Canal and 4 air miles S of the I-10 Freeway. 21 Comment
  RSA717471  Abronia villosa var. villosa Scott D. White, Andrea Warniment 2006-3-22 11268 Riverside Eastern Coachella Valley a few mi E of Indio. Proposed I-10 Freeway / McMaughton Parkway Interchage, N of I-10 Freeway. 91 Comment
  RSA0037338  Abronia villosa var. villosa John Wallace 1991-5-18 30 Riverside Highway 95, 3.5 miles north of Indian Intaglios, 14 yards east of roadway. Comment
  UC472818  Acacia greggii Mary Fiske Spencer 1918-3-31 Riverside Colorado Desert, Palm Canyon Palm Canyon; Colorado Desert, Palm Canyon 125 Comment
  POM29466  Acacia greggii var. arizonica Marcus E. Jones 1906-4-27 s.n Riverside Palm Springs. Comment
  OBI17153  Acamptopappus sphaerocephalus H. E. McMinn 1935-6-27 4071 Riverside Palms to Pines Highway Comment
  RSA0123757  Acamptopappus sphaerocephalus Duncan S. Bell, LeRoy Gross 2016-3-10 8866 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 2.25 air miles northwest of the summit area. 859 Comment
  RSA263609  Acer macrophyllum E. W. Lathrop 1968-3-22 6917 Riverside Main Divide Truck, trail between El Carriso and Santiago Peak, Cleveland Nat'l Forest 1220 Comment
Read comments
Apr 28 2011
  UCR81106  Acer negundo Scott D. White 1993-5-29 1464 Riverside San Bernardino Mtns, Banning Canyon, along the road to Raywood Flat, Yucaipa Ridge 1402 Comment
  CAS-BOT-BC218712  Achnatherum coronatum Carl B. Wolf 1932-5-25 3694 Riverside 1/4 mo. SW of summit of Moreno Grade, Bad Lands, SW of Beaumont 670 Comment
  JOTR16771  Achnatherum speciosum Vanderspek & Youse 1964-4-19 s.n. Riverside Joshua Tree National Park. WILSON CANYON Comment
  UC822042  Achnatherum speciosum C. L. Hitchcock 1940-4-12 6064 Riverside 8 mi nw Elsinore 457 Comment
  CAS-BOT-BC384728  Achyronychia cooperi John H. Thomas 1957-3-30 6556 Riverside 8.1 miles east of Cactus City, about 20 miles east of Coachella. Colorado Desert 426 Comment
  JOTR37485  Achyronychia cooperi Manson, Stacy, B. Jasinkski 2016-5-24 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains, Cottonwood Canyon, off of main park road in the Coyote borrow pit Comment
  POM14011  Achyronychia cooperi P. A. Munz, D. D. Keck 1922-4-13 4937 Riverside Desert Center; Chuckwalla Valley Comment
  RSA696573  Achyronychia cooperi Mary Edmunds 1932-3-25 s.n. Riverside Colo. Desert-Coachella Valley. Oasis near sea level. Comment
  UCR141141  Achyronychia cooperi June Latting 1973-4-14 s.n. Riverside Sonoran (Colorado) Desert, south entrance to Joshua Tree National [Park] Monument, alluvial slopes south of Cottonwood Mtns. 579 Comment
  OBI52767  Acmispon argophyllus var. argophyllus B. Pitzer & A. C. Sanders, A. C. Sanders 1987-4-21 498 Riverside Box Springs Mts, near Southernmost radiotowers (Riverside E 7.5' quad: T2S, R4W, SE 1/4 sec 27 792 Comment
  SD133091  Acmispon argophyllus var. argophyllus Scott White 1991-5-13 91 98 Riverside Hwy 79 immediately west of US Forest service Campground at Dripping Springs; Vail USGS quad. 548 Comment
  SDSU13331  Acmispon glaber var. brevialatus Joseph R. Verfaillie, BIO 531 Taxonomy class (SDSU) 2000-4-1 28 Riverside Base of road leading down to the Santa Margrita River from the north site of the Santa Margarita Ecological Reserve (SDSU). 239 Comment
  SBBG3411  Acmispon heermannii var. heermannii H. and M. Dearing 1942-3-17 4833 Riverside Dos Palmas Cyn, near Palms to Pines Hwy Comment
  SDSU12933  Acmispon micranthus Jutta Buschbom 1991-6-1 34 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  CAS-BOT-BC22559  Adenophyllum porophylloides Alice Eastwood 1913-4-30 3024 Riverside Palm Springs Comment
  UCR16481  Adenostoma fasciculatum Joe Buriel 1966-4-22 s.n. Riverside Peninsular Range, 5 miles north of Temecula off Hwy 395. Along small service road bordered by telephone poles 457 Comment
  UC12019  Adenostoma sparsifolium H. M. Hall July 1901 Riverside e. end Tahquitz Valley; San Jacinto Mts. 1828 Comment
  UCSB41534  Adenostoma sparsifolium Roos, John 1965-8-18 Riverside Thomas Valley, summit Palms to Pines Hwy., San Jacinto Mtns. Comment
  UC811108  Adiantum capillus-veneris Ivan Johnston 1917-4-4 Riverside Little Palm Canyon Fork Palm Canyon; Colorado Desert 304 Comment
  UCR41242  Adiantum capillus-veneris N. M. Fellows, A. C. Sanders 1985-4-9 140 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
  RSA125248  Agave deserti subsp. deserti E. K. Balls, Percy C. Everett 1957-8-20 22671 Riverside 6.6 mi. sw. along State Hwy. 74 from Palm Village (jct. State Hwy. 111). 502 Comment
  UC1514475  Agoseris retrorsa E. W. Lathrop 1968-5-22 6923 Riverside trail between El Carriso and Santiago Peak Main Divide Truck; Cleveland Nat'l. Forest, El Carriso, Santiago Peak 1219 Comment
  UCR137349  Agoseris retrorsa John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  UCR90348  Agrostis pallens Scott D. White 1995-6-30 3414 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  UCR93238  Agrostis pallens Scott D. White, M. D. Wilcox 1995-7-11 3462 Riverside Peninsular Range; Santa Ana Mtns., upper forks of Decker Canyon, SW of Main Divide Truck Trail 730 Comment
  UCR2110  Agrostis stolonifera F. M. Reed 1906-7-5 1124 Riverside Riverside. Chicago Ave. near railroad and Indianapolis Ave. [Spruce St.] 279 Comment
  UCR201703  Agrostis viridis Scott D. White, Justin M. Wood 2008-6-19 12277 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  UCR79266  Alchemilla occidentalis Steve Boyd, Orlando Mistretta 1992-4-22 6995 Riverside Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area. Indian Potrero Trail S from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon 701 Comment
  UCR8263  Alhagi pseudalhagi D. O. Clark 1969-7-2 s.n. Riverside Western Colorado Desert, Coachella Valley, 2 mi west of Mecca Comment
  POM14356  Aliciella latifolia P. A. Munz, D. D. Keck 1922-4-9 4764 Riverside Shavers Well, near Mecca. 76 Comment
  RSA703745  Allionia incarnata LeRoy Gross 2005-3-3 1563 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  UCR148041  Allionia incarnata Steve Boyd, Et al. 2004-5-14 11227 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
  POM20485  Allium cratericola Philip A. Munz, I. M. Johnston 1922-5-21 5512 Riverside Kenworthy, San Jacinto Mountains. 1418 Comment
  UCSB18432  Allium fimbriatum Smalley, G. 1964-5-10 Riverside Pinyon Flats Campground, State Highway 74 1249 Comment
  SD134564  Allium fimbriatum var. munzii Craig Reiser 1989-4-19 Riverside Southwestern flank of 'Alberhill' in western county. (IPB 2/08) Comment
Read comments
Nov 16 2010
  UCR27415  Allium haematochiton John C. Roos 1950-3-18 4714 Riverside Peninsular Range, 3 - 4 mi north of Murrietta in the hills 457 Comment
  UCR94487  Allium munzii Steve Boyd 1982-4-17 s.n. Riverside Gavilan Hills region, Temescal Canyon west of Horsethief Wash, south of Lee Lake on terrace escarpments just south of Di Palma Road. 396 Comment
  UCR139245  Allium parryi A. C. Sanders, Kate Kramer 2003-6-11 26877 Riverside San Jacinto Mtns., Garner Valley, foothills on the northeast side of the valley, 1/2 mile west of Morris Ranch Rd. on a dirt track, c. 1 km west of Goff Flat 1616 Comment
  RSA678943  Allophyllum Scott D. White, Michael Honer 2003-6-3 9487 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  POM161529  Allophyllum divaricatum Ralph Hoffmann 1929-9-6 s.n. Riverside Tahquitz Valley, San Jacinto Mts. 2438 Comment
  RSA543894  Allophyllum glutinosum Steve Boyd 1991-5-20 6275 Riverside Santa Ana Mountains, NW of Lake Elsinore. Lower Rice Cyn, just inside Cleveland Nat. For. boundary. 573 Comment
  RSA5485  Alnus rhombifolia C. B. Wolf 1932-5-24 3649 Riverside 1/2 mile below the fish hatchery, Snow Creek, north base of San Jacinto Mts. 549 Comment
  UCR17613  Alnus rhombifolia N. R. Zabriskie, W. M. Zabriskie 1971-2-13 339 Riverside Western Colorado Desert/ San Jacinto Mtns, N bank 100 yds upstream from crossing below Clubhouse; Andreas Canyon, E slope mtns Comment
  SACT002778  Alnus rhombifolia A. Delisle 1961-6-27 Riverside Within 5 feet of Dripping Wells Falls, right where water drips on the roots. Tree 25ft. Comment
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Aug 25 2013
  UCR232359  Amaranthus John F. Green 2008-4-16 0408- 38 Riverside Peninsular Range; Perris-Aguanga Valley, SE edge of Romoland, edge of electrical power station, between Menifee and Palomar roads 446 Comment
  RSA596536  Amaranthus albus D. L. Banks, Lauren Raz 1996-8-29 1137 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along Arroyo Seco, N of Wildhorse Peak, before the drainage bends to the S. 548 Comment
  CDA23709  Amaranthus palmeri T. C. Fuller 1962-10-3 9705 Riverside South side of 32nd Avenue, 0.6 mile east of Ludy Boulevard, road to Ripley, 3.9 miles north of Palo Verde, Palo Verde Valley. 0 Comment
  UCR7930  Amaranthus retroflexus O. F. Clarke 1968-10-8 s.n. Riverside Riverside, residence of O.F. Clarke, 1012 Spruce St. 306 Comment
  UCR176766  Ambrosia acanthicarpa G. S. Nuessly 1980-11-11 s.n. Riverside Riverside: U.C. Riverside campus, near Health Center 351 Comment
  CDA9958  Ambrosia acanthicarpa Wright s Office Nov 1948 Riverside 0 Comment
  LA202894  Ambrosia dumosa W. B. Welch; 1928-5-5 sn Riverside Travertine Rock near Salton Sea Comment
  LA94842  Ambrosia dumosa T. A. Geissman; 1966-3-12 TAG- 31266 -FDA Riverside Box Canyon, E of Mecca Comment
Read comments
Sep 20 2013
  LA94844  Ambrosia dumosa T. A. Geissman; 1967-3-21 TAG- 32167 -ADUP Riverside from Cabazon to Palm Springs 304 Comment
  UCR263505  Ambrosia dumosa David Fraker, Aaron C. Sedgwick 2012-3-22 020 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, south of Joshua Tree National Park on both sides of Hwy 177, c. 5 miles north of I-10, c. 3 miles south of the Desert Lily Sanctuary 183 Comment
  UCSB41267  Ambrosia dumosa Cowan, Clark 1978-4-23 Riverside 2.7 mi. (4.3 km.) S on Hwy. 74 from its jct. with Hwy. 111 at Indian Wellls 210 Comment
  UCR194219  Ambrosia psilostachya Scott D. White, Angelia Carey 2004-6-4 10478 B Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  UC1069630  Ambrosia salsola R. St. John 1929-3-25 15 Riverside Foot of Cabezon Mt San Jacinto Quad., Foot of Cabezon Mt. 609 Comment
  UCR262462  Ambrosia salsola A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41505 Riverside San Gorgonio Pass, north of San Gorgonio River wash, c. 3 miles east of Cabazon, south of I-10 and generally NE of water bottling plant 457 Comment
  SEINET10797875  Ambrosia salsola David B. Dunn 1947-3-16 Dunn 2920 Riverside Found 1/2 mile west of Cabayon in Banning Pass. Comment
  UC1046273 Image available Ammoselinum giganteum P. A. Munz and D. Keck 1922-4-13 4930 Riverside Chuckawalla Valley; ; Chuckawalla Valley, Colorado Desert 152 Comment
  RSA606085  Amorpha fruticosa R. S. Woglum 1941-5-14 3039 b Riverside Peninsular Ranges / Sonoran Desert transition: Elder (Alder?) Canyon, off Coyote Canyon. Comment
  SEINET13203158 Image available Amsinckia Mitch Provance 2005-1 6571 Riverside Warm Springs Valley: Terra Cotta Nichols Rd. Wetland at Alberhill Creek, ca. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site. (Lake Elsinore 7.5' Q.) 396 Comment
  CDA40436  Amsinckia eastwoodiae K. Frick 1962-3-14 s.n. Riverside South end of Hemet Valley. 0 Comment
  RSA523552  Amsinckia intermedia G. H. True 1936-2-22 10 Riverside Mockingbird Canyon [in or near City of Riverside -SDW] 457 Comment
  UCR102120  Amsinckia intermedia George K. Helmkamp 1984-5-2 D 7 Riverside Little San Bernardino Mountains, Big Morongo Canyon, 3 - 3.5 miles below the caretaker's house at the Big Morongo Preserve 610 Comment
  UCR241948  Amsinckia intermedia A. C. Sanders, Timothy W. Chumley 2013-3-28 40707 Riverside Peninsular Range, Alberhill, along Lake St. 1.45 km south of I-15, near old clay mines 396 Comment
  UCR90984  Amsinckia intermedia Scott D. White 1996-3-31 3860 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  UCR22049  Amsinckia menziesii Steve Boyd 1980-4-27 140 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  RSA0089938  Amsinckia menziesii D. E. Harvey 1969-4-20 690420 -2 Riverside Juniper Flats at Stubbe Springs parking area. Joshua Tree National Monument. Comment
  RSA594767  Amsinckia menziesii var. menziesii D. L. Banks, Dylan Hannon 1996-5-3 988 Riverside Agua Tibia Mountains; Cleveland National Forest; Dripping Springs Campground, 30 m N of campsite #9 487 Comment
  UCR172157  Amsinckia retrorsa A. C. Sanders 2006-5-11 32260 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel south of the intersection of Collier Ave. and Riverside Dr., NE of Alberhill Crk., NW of Enterprise Way 389 Comment
  UCR214143  Amsinckia retrorsa A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37724 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
  RSA0091472  Amsinckia tessellata C. B. Wolf 1932-4-27 3037 Riverside Colorado Desert, 3/4 mile west of Utopia on Mecca-Blythe road. 152 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
  RSA775344  Amsinckia tessellata var. tessellata Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5015 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.00456, W116.67238 and N33.99629 and W116.66013 750 Comment
  JEPS49776  Amsonia tomentosa W. L. Jepson 1928-4-25 12626 Riverside White Tank Mohave Desert, Pinto Mts., White Tank 1371 Comment
  JOTR30054  Amsonia tomentosa La Doux, Tasha, Jade Mohajerin 2006-10-12 1664 Riverside Joshua Tree National Park. Geo Tour Road, in the area burned in July 2006 Comment
  VVC1461  Andropogon glomeratus A. C. Sanders, J. Mac 1996-11-23 19657 Riverside San Bernardino Mtns., Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, E of VAMB Captain 534 Comment
  CAS-BOT-BC400335  Anemopsis californica Carl B. Wolf 1939-5-31 3738 Riverside 1 mi. no.w. of Santa Ana River, 6 mi. from Corona on Chino road Comment
  POM13630  Antennaria rosea E. C. Jaeger 1921-7-1 1044 Riverside Long Valley. Comment
  UCR104962  Anthriscus caucalis A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20704 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek [c. 2.5 miles below Twin Pines Rd. on dirt road] 854 Comment
  RSA0009192  Antirrhinum coulterianum Scott D. White, Bill La Haye 2000-5-27 7955 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  SEINET1004377  Antirrhinum coulterianum T. B. Salvato, Kent Beaman 2005-1 851 Riverside San Jacinto Mtn foothills: San Jacito River E of Valle Vista just downstream from the Forest Service boundry and N of CA Hwy 74 549 Comment
  UCR105430  Antirrhinum coulterianum A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20681 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek drainage, dry slopes above Brown Creek 915 Comment
  SBBG128625  Antirrhinum kelloggii S. R. Hill, A. C. Sanders 2001-5-4 33716 Riverside N side of Avenida del Oro, just E of jct with Sandia Crk Drive, 2 mi W of jct of Rancho California Rd and Interstate 15; E rim, Santa Rosa Plateau 478 Comment
  UCR174456  Antirrhinum kelloggii A. C. Sanders 2006-5-19 32412 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
  UCR280616  Antirrhinum kelloggii Mitch Provance, Jeremiah George, Matt K. Beyers 2017-4-3 417- 034 Riverside Gavilan Hills, Alberhill Canyon, dirt road portion of Lake St., about 0.8 miles N of Hwy. 15 at Alberhill. 457 Comment
  UCR79265  Antirrhinum kelloggii Steve Boyd, Orlando Mistretta 1992-4-22 7007 Riverside Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area. Indian Potrero Trail S from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon 701 Comment
  RSA444466  Antirrhinum nuttallianum subsp. nuttallianum L. Roos 1966-4-29 s.n. Riverside Hills between March Air Force Base and Lakeview; rocky crevices Comment
  UCR116968  Apiastrum angustifolium A. C. Sanders, T. B. Salvato 2001-5-3 24093 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR183024  Aptenia cordifolia Mitch Provance 2001-4-21 4634 Riverside San Bernardino Valley, Jurupa Mountain Range, Sunnyslope, SE base of Noname Mt. (c. 0.7 mi SSE of peak 1913) 335 Comment
  UCR167973  Aquilegia formosa T. B. Salvato, John F. Green 2004-5-27 653 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  UCR24915  Arabis glabra A. C. Sanders 1980-7-18 1675 Riverside San Jacinto Mtns, Thomas Mountain; along a small dry creek in Spillway Canyon about 2 mi SW of Hwy 74 along Thomas Mountain Road 1463 Comment
  RSA477448  Arabis glaucovalvula E. C. Jaeger 1922-4-22 s.n. Riverside Keyes Ranch. Comment
  POM354173  Arceuthobium campylopodum M. B. Dunkle 1933-7-21 3735 Riverside Idyllwild. 1616 Comment
  UCR273495  Arctostaphylos glandulosa A. C. Sanders, Glen Morrison 2016-8-4 42622 Riverside Peninsular Range; San Jacinto Mtns., Hwy 74 at McGaugh Rd., west slope of the mountains below Mountain Center 1314 Comment
  UCR44194  Arctostaphylos glandulosa subsp. glandulosa A. C. Sanders 1986-6-1 6549 Riverside San Jacinto Mtns., trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista road [=Apple Canyon Rd.] 1829 Comment
  UCR95942  Arctostaphylos glandulosa subsp. leucophylla Scott D. White 1996-8-1 4450 Riverside San Jacinto Mountains, Idyllwild area north of Isomata along USFS Road 5S24.1 1646 Comment
  UCR241480  Arctostaphylos glandulosa subsp. mollis Tracy Tennant, Jeffrey Ross 1998-4-9 MOR- 1014 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Wood Canyon, east of upper Potrero Canyon 1305 Comment
  UC63815  Arctostaphylos glandulosa subsp. zacaensis H. M. Hall 1901-6-10 2061 Riverside vicinity of Chalk Hill San Jacinto Mountains 1524 Comment
  RSA631809  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15067 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  POM367326  Arctostaphylos glauca var. glauca Ora M. Clark 1929-4-6 1953 Riverside South of Hemet. Comment
  RSA0120001  Arctostaphylos parryana Duncan S. Bell, Thomas Stoughton 2016-4-13 9254 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; on the western slopes of Martinez Mountain. 1548 Comment
  UC1334957  Arctostaphylos parryana H. A. Jensen 1937-11-5 444 Riverside ridge between Strawberry Valley and Tahquitz Valley; San Bernardino Nat. Forest, San Jacinto Quadrangle 2468 Comment
  RSA633536  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16696 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  UCR3425  Arctostaphylos pringlei Heidi A. Haid 1964-5-17 64517- 3 Riverside San Jacinto Mtns., c. 1 mi from junction of Hurley Flats Rd and Idyllwild-Banning Rd 1402 Comment
Read comments
Feb 3 2017
  CAS-BOT-BC44368  Arctostaphylos pringlei subsp. drupacea Vernon Bailey 1907-8-5 1199 Riverside Idyllwild, San Jacinto Mts. 1371 Comment
  LA42427  Arctostaphylos pringlei subsp. drupacea O. A. Plunkett; 1926-5-16 sn Riverside San Jacinto Mountains 1371 Comment
  RSA358586  Arctostaphylos pringlei subsp. drupacea Larry E. DeBuhr 1972-3-23 531 Riverside Santa Rosa Mts., San Bernardino National forest; along forest road 7S02. 2104 Comment
  SD3568  Arctostaphylos pringlei subsp. drupacea Florence Youngberg 1933-8-28 Riverside San Jacinto Mtns., near Idyllwild Pines, near Inspiration Point Comment
  UC1177957  Arctostaphylos pringlei subsp. drupacea Otto T. Solbrig 1958-3-21 2515 Riverside road from Banning to Idylwild; San Jacinto Mountains, Pine Cone Summit 1920 Comment
  UC527314  Arctostaphylos pungens C. B. Wolf 1931-5-11 1953 Riverside ridges near Pipe Creek (above Hemet Valley); San Jacinto Mts. 1676 Comment
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Mar 24 2011
  RSA192300  Arctostaphylos rainbowensis H. A. Zuill 1966-6-5 203 Riverside San Mateo Canyon about 13 miles SW of Murrieta Comment
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Oct 23 2013
  RSA559377  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19490 Riverside West of Temecula, off Calmara Rd., 1 km south of Carancho Rd. and west of De Luz Rd., eastern Santa Margarita Mountains. 600 Comment
  UCR68857  Arenaria douglasii Steve Boyd, T. S. Ross 1990-5-11 4646 Riverside Peninsular Range, Cleveland National Forest: Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground 610 Comment
  SD67916  Arenaria macradenia subsp. ferrisiae Reid Moran 1968-8-3 15366 Riverside North slope 1.0 mile west of summit, Santa Rosa Mountain. 2150 Comment
  SD114886  Argemone munita subsp. robusta E. W. Lathrop 1979-8-14 7640 Riverside 3.0 miles southwest of Corona; Hagador Canyon, Cleveland National Forest, Trabuco District. 274 Comment
  CAS-BOT-BC207128  Argythamnia lanceolata Carl B. Wolf 1932-4-27 3058 Riverside 5 mi. E of Desert Center, No. base of Chuckwalla Mts., Colorado Desert 152 Comment
  RSA0040095  Argythamnia lanceolata Duncan S. Bell, Deidre Conocchioli 2014-3-18 6257 Riverside Orocopia Mountains; southern/central section of range; approximately 1.25 air miles northwest of Gucci Spring. 511 Comment
  RSA342535  Argythamnia serrata R. F. Thorne, Dick Tilforth 1980-4-16 54018 Riverside San Bernardino Mountains: At mouth of Whitewater Canyon, ca. 1/4 mi. W of Whitewater P.O. and 1/2 mi. W of Whitewater River. 415 Comment
  RSA777401  Aristida purpurea var. fendleriana Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 834 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' Old mine access road. 534 Comment
  UCR112019  Aristida purpurea var. nealleyi A. C. Sanders, E. J. Lawlor 1992-4-4 12119 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  JOTR16772  Aristida purpurea var. purpurea Hogan, J. 1975-5-29 80 Riverside Joshua Tree National Park. 1.5 MILES EAST OF SHEEP PASS CAMPGROUND 1341 Comment
  UCR2176  Aristida ternipes var. gentilis F. M. Reed 1908-8-16 2561 Riverside Riverside. Iowa Ave. on sec. 30 305 Comment
  UCR111608  Artemisia annua O. F. Clarke 1998-9-22 s.n. Riverside Peninsular Range, Riverside, Box Springs Mtns. foothills, weed in the yard at 266 Frost Court, just east of UCR 396 Comment
  SEINET7048062  Artemisia californica Steven R. Hill 2001-4-29 33539 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
  JEPS26594  Artemisia dracunculus Peter Kamb 1948-10-31 1285 a Riverside Hall Canyon San Jacinto Mts., Hall Canyon 1645 Comment
  RSA502201  Artemisia dracunculus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3708 Riverside Vail Lake area, sandy wash draining into Wilson Creek at E end of lake. Comment
  RSA692227  Artemisia dracunculus Scott D. White 2003-10-9 9823 Riverside Pine Cove area. Dutch Flat. 1753 Comment
  POM9852  Artemisia ludoviciana subsp. albula E. C. Jaeger 1921-12-7 s.n. Riverside Tahquitz Canyon, Palm Springs. 244 Comment
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Nov 5 2011
  UCR4346  Artemisia nova L. B. Ziegler 1964-7-11 s.n. Riverside San Jacinto Mtns., 2 mi NE of Kenworthy Ranger Station Comment
  RSA23707  Artemisia tridentata R. S. Woglum 1937-10-20 1204 Riverside Santa Rosa Mountains Comment
  UCR149415  Arundo donax S. J. Myers 1996-6-6 s.n. Riverside Santa Ana River Valley, Santa Ana River, c. 0.5 mi west of Rubidoux Nature Center Comment
  GMDRC5759  Asclepias albicans J. M. Andre 2013-3-4 23873 Riverside Riverside Mountains: east side of range, along rocky dirt road to historic mine area, 0.8 mi west of Hwy 95, approx 12 mi. south of Vidal Jct 127 Comment
  UCR202003  Asclepias californica Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  UCR51475  Asclepias erosa S. J. Myers 1987-8-6 s.n. Riverside Aguanga, c. 1/2 mi. west of Hwy 371 at intersection of El Pasta and El Reposo Rd. 642 Comment
  RSA69914  Asclepias subulata F. W. Peirson 1920-12-29 2339 Riverside Point of Rocks, 1.5 miles east of Whitewater Station, head of Coachella Valley 335 Comment
  RSA228811  Aspidotis californica Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 617 Riverside Cleveland National Forest, ca. 8 mi. south of Lake Elsinore. . . off Forest Route 7S04. T7S, R5W, sec. 15. 487 Comment
  RSA661032  Aster bernardinus A. C. Sanders, Mitch Provance 1999-9-26 23078 Riverside McMullen Flat ca. 1 km NW of Valley High County Park, ca. 1 km SE of Hwy 74 off (W of) Twin Pines Ranch Rd. 1195 Comment
  UCSB3031  Astragalus J. R. Haller 1957-3-23 1028 Riverside collected 1.0 mi N, in theCottonwood Springs at the southern boundary of Joshua Tree National Monument U S Highway 60 - Cottonwood Springs and U S Highway 60 609 Comment
  RSA48421  Astragalus aridus E. K. Balls 1949-4-2 s.n Riverside Near Durmid, by the Salton Sea on Hwy 111, Colorado Desert. -67 Comment
  POM263028  Astragalus didymocarpus J. C. Roos 1937-5-23 695 Riverside La Sierra. Comment
  JOTR33848  Astragalus didymocarpus var. dispermus La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3060 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; sandy wash leading to Pinto Wash 354 Comment
  CAS-BOT-BC182633  Astragalus didymocarpus var. obispoensis Carl B. Wolf 1935-4-7 6301 Riverside Gavilan Hills Region. 1 mi. SW. of Perris 426 Comment
  RSA415492  Astragalus douglasii var. parishii Robert Kessler 1921-9-1 s.n Riverside Summit of Tahquitz. 2439 Comment
  RSA682127  Astragalus douglasii var. parishii Marcus E. Jones 1926-6-20 s.n Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  SEINET3132644  Astragalus douglasii var. parishii R. W. Spellenberg, D. Jackson 1972-5-19 2823 Riverside 3.8 mi SE of Lake Hemet, along California State Hwy 74 1402 Comment
  UCR97238  Astragalus douglasii var. parishii T. Schram, D. Wappler 1994-7-14 s.n. Riverside San Jacinto Mtns., Lake Hemet. Comment
  SEINET10903588  Astragalus douglasii var. parishii Barbara J. Ertter, Jeffrey Strachen 1980-5-21 Ertter 3484 Riverside Santa rosa mt road about 2 mi s of hwy 74, rivulets on se slope. Moist granitic Sand of opeing in chaparral, t7s, r5e, sec 19. Prostrate, flowers yellow, pods, Inflated. 1585 Comment
  RSA736309  Astragalus gambelianus Scott D. White, Justin M. Wood 2008-3-25 11785 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  SEINET948334  Astragalus gambelianus Steve Boyd 1986-1 1754 Riverside Temescal Canyon. Just south of Interstate 15. Comment
  UCR174463  Astragalus gambelianus A. C. Sanders 2006-5-19 32380 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
  UC68633  Astragalus insularis var. harwoodii H. M. Hall Apr., 1905 5976 Riverside Hodges Mts. , Hodges Mts. (Colorado Desert) 152 Comment
  CAS-BOT-BC187118  Astragalus lentiginosus var. borreganus L. R. Abrams 1926-3-26 11118 Riverside Between Edom and Garnet east of San Gorgonio Pass Comment
  JEPS54701  Astragalus lentiginosus var. coachellae E. L. Adams 1926-1 Riverside Colorado Desert Comment
  JEPS54702  Astragalus lentiginosus var. coachellae W. L. Jepson 1927-4-11 11631 Riverside near Palm Springs station (Whitewater); nw Colorado Desert 457 Comment
  UC517561  Astragalus lentiginosus var. coachellae John Thomas Howell 1928-3-11 3439 Riverside Garnet Station , Garnet Station (Coachella Valley) Comment
  POM12864  Astragalus leucolobus P. A. Munz 1922-6-28 5872 Riverside Ridge west of Toro Peak 2287 Comment
  CAS-BOT-BC178072  Astragalus nuttallianus C. L. Hitchcock 1940-4-3 5935 Riverside 1 1/2 mi. northeast of Cottonwood Spring along 29 Palms Road, Joshua Tree Nat. Monument. Comment
  SD146277  Astragalus nuttallianus B. Pitzer, Tracy Tennant 1998-2-21 3533 Riverside Hayfield Dry Lake, on the lakebed, 0.50 to 0.75 mile southeast of the pumping station. 395 Comment
  UC13440  Astragalus nuttallianus var. imperfectus H. M. Hall 434 Riverside San Jacinto Lake Comment
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Sep 7 2011
  SD37529  Astragalus palmeri Edith A. Purer 1935-4-21 6467 Riverside Palm Springs, desert floor Comment
  CAS-BOT-BC192824  Astragalus pomonensis K. Watkins; E. McClintock 1937-4-9 s.n. Riverside Pasture of 1 mi. West of San Jacinto Comment
  UCR120921  Astragalus pomonensis A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24943 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  SEINET12160165  Astragalus tricarinatus S. B. Parish, Parish, W. F. 1880-1 Riverside Comment
  SD49377  Atrichoseris platyphylla Thomas W. Whitaker 1958-4-30 Riverside Box Canyon, midway between Mecca and Shaver Well. Comment
  SEINET2044653 Image available Atrichoseris platyphylla B. Pitzer 1988-3-10 648 Riverside West side of Chuckwalla Mountains, on gas line road ca. 1.5 miles N of intersection with Red Cloud Mine Rd. (& wash); ca. 2 miles (airline) S of Hwy I-10. 488 Comment
  RSA0106716  Atriplex canescens Duncan S. Bell, Amanda Turek 2010-1-30 529 Riverside About 4 air miles northwest of the Arica Mountains; along the California Aqueduct, to the south of Highway 62. 282 Comment
  RSA340180  Atriplex canescens R. F. Thorne, W. A. Tilforth 1980-5-28 54186 Riverside San Bernardino Mountains: W-facing slope of Whitewater ridge above old bridge. Comment
  RSA696731  Atriplex canescens J. Russell Bruff 1929-1-1 407 Riverside Roadside foot of Jackrabbit Grade. Comment
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Mar 20 2011
  RSA696732  Atriplex canescens J. R. Bruff 1927-11-26 36 Riverside Cottonwood Springs. Comment
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Sep 20 2011
  SBBG133572  Atriplex canescens S. D. White, A. Carey, L. Archa 2004-8-5 10685 Riverside San Jacinto Mtn foothills, Soboba Indian Reservation, Indian Creek from confluence w/ San Jacinto River to +/- 2 mi upstream. 534 Comment
  SEINET3930704  Atriplex canescens Howard Stutz 1977-11-17 8192 Riverside East of Cabazon, Plants abundant.; 0 Comment
  UC850849  Atriplex canescens Carl B. Wolf 1932-10-13 4323 Riverside ne side Salton Sea (at Durmid, ne side S. P. R. R. tracks, Colorado Desert); Colorado Desert, ne side Salton Sea, Durmid -60 Comment
  POM202643  Atriplex canescens var. laciniata W. M. Ingram 1934-10 1 Riverside 6 miles southwest [southeast] of Whitewater Highway 99, Colorado Desert. Below sea level. Comment
  UCR202225  Atriplex coronata var. notatior Karin Cleary-Rose, G. Nuhn 1995-7-20 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, west edge of Hemet, 19 acre parcel on the Wilhelm Ranch, between Hwy 74 and Whittier Ave, at south end of Hyatt Ave., west of the San Diego Aqueduct 457 Comment
  UCR27595  Atriplex davidsonii John C. Roos 1962-5-24 s.n. Riverside San Jacinto Valley, Flats west of Hemet Comment
  POM248406  Atriplex lentiformis Philip Crow 1939-7-10 s.n. Riverside Blythe Comment
  RSA696719  Atriplex lentiformis Anonymous s.n. Riverside Colorado Desert. Comment
  RSA5583  Atriplex polycarpa C. B. Wolf 1932-10-13 s.n. Riverside Caleb (Southern Pacific railway siding), 4.5 miles SE of Mecca, Colorado Desert 61 Comment
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Jul 16 2015
  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
  JEPS59530  Atriplex serenana W. L. Jepson 1901-6-1 1578 Riverside near Corona (Walter's Ranch, Temescal Wash); near Corona, Walter's Ranch, Temescal Wash 335 Comment
  RSA653333  Atriplex serenana Mitch Provance 2000-9-28 2266 Riverside Riverside: N side fo Latham St., about 1/8 mile W of intersection with Keats Dr., 34 deg 00' 12.2'' N, 117 deg 21' 55.4'' W. 245 Comment
  UCR120922  Avena barbata A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24922 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  UCR98480  Avena barbata B. G. Pitzer 1997-4-1 3045 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  SEINET9793566 Image available Avena barbata Richard Carter 2005-6-25 Riverside west side of Hemet by Hwy. 74/79; vacant lot north side hwy., vic. California Avenue; USGS Winchester Quad. Comment
  RSA614131  Avena fatua D. L. Banks 1997-2-23 1298 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
  UCR108875  Avena sativa Heidi A. Haid 1968-5-14 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  RSA594042  Azolla filiculoides Darin L. Banks, Elizabeth Hedge Banks 1996-5-2 946 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage. 524 Comment
  RSA639390  Azolla filiculoides Louis Cutter Wheeler 1933-7-27 2044 Riverside Santa Ana River at Chino Creek. 152 Comment
  RSA703632  Azolla filiculoides Scott D. White, Angelia Carey 2004-9-16 10762 Riverside Indian Creek. Stream and margins in slow-flowing areas, gen. beneath riparian canopy. 549 Comment
  LA210510  Baccharis brachyphylla Carl B. Wolf; 1932-10-11 4275 Riverside Morongo Wash, 0.3 mi below the San Bernardino County line 670 Comment
  POM213084  Baccharis brachyphylla C. B. Wolf 1932-10-11 4275 Riverside Morongo Wash, 3/10 mile below the San Bernardino County line. 671 Comment
  RSA30242  Baccharis brachyphylla C. B. Wolf, Percy C. Everett 1942-10-13 11436 Riverside Morongo Pass, 3/4 mile below San Bernardino County line 671 Comment
  SD255081  Baccharis brachyphylla Duncan S. Bell, Sarah DeGroot and Amy Rouillard 2015-10-19 8717 Riverside Transverse Ranges: San Bernardino Mountains region: Whitewater Canyon, along the Pacific Creset Trail, approximately 0.75 air mile northeast of Red Dome. 885 Comment
  CLARK-A1528-165  Baccharis emoryi John C. Roos 1951-9-25 5285 Riverside Riverside 259 Comment
  CAS-BOT-BC106736  Baccharis salicifolia Scott D. White 1996-4-14 3904 Riverside E of Hemet: San Jacinto River Wash near Valle Vista, N of Hwy. 74, ca. 1.7 mi W of USFS Cranston Fire Station. 548 Comment
  UCR216230  Baccharis salicifolia Mike Bell 2008-4-27 015 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, Adobe Loop Trail 538 Comment
  UCR270183  Baccharis salicifolia A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42392 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
  JOTR36418  Baccharis salicifolia subsp. salicifolia La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3364 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  CAS-BOT-BC106630  Baccharis salicina Carl B. Wolf 1931-3-13 1084 Riverside Colorado Desert, in old cotton field, 2 mi. north of Blythe 152 Comment
  CAS-BOT-BC106632  Baccharis salicina Edmund C. Jaeger 1938-11-3 s.n. Riverside Dos Palmos Spring 60 Comment
  UCR97252  Baccharis salicina Scott D. White 1997-2-9 4674 Riverside Peninsular Range, Elsinore Basin; Temescal Valley: SW of Hwy I-15 between Indian Truck Trail and Lake Street exits, c. 0.5 mi east of Glen Eden 460 Comment
  CDA10400  Baccharis sergiloides T. C. Fuller 1959-4-8 2472 Riverside Edge of Colorado River, 6 miles south of Ripley. 0 Comment
  POM14037  Baccharis sergiloides Philip A. Munz, D. D. Keck 1922-4-14 5011 Riverside near Whitewater Ranch 274 Comment
  RSA48881  Baccharis sergiloides J. C. Roos, L. Roos 1949-9-17 4660 Riverside E side Whitewater Canyon, 2.2 mi. N of Hwy 99 [=I-10]; W side of Painted Hill. 612 Comment
  UCR109457  Baccharis sergiloides A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke 1996-11-23 19660 Riverside San Bernardino Mtns., Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, east of VAMB Captain 534 Comment
  CDA41202  Bacopa monnieri G. D. Barbe, J. L. Johnson 1983-1-25 4037 Riverside Colorado River at mouth of Alligator Slough; boat ramp and picnic grounds; Lost Lake Resort. 0 Comment
  PASA2173  Baeria aristata Frank W. Peirson 1922-5-19 Riverside 5 miles northeast of Murietta 457 Comment
  POM182202  Bahiopsis parishii Philip A. Munz 1932-4-24 12387 Riverside San Jacinto Mountains: Snow Creek Canyon 457 Comment
  UC472195  Baileya pauciradiata S. B. Parish 1907-4-19 6080 Riverside Palm Springs Colorado Desert Comment
  UCR244892  Baileya pleniradiata Jim Andre 2012-3-19 21360 Riverside Sonoran (Colorado) Desert, Palen Valley along Palen Pass Rd [Coxcomb Monument Rd.] (dirt), 1.2 mi. east of Hwy 177 184 Comment
  RSA387355  Bassia hyssopifolia Steve Boyd 1986-4-19 1716 Riverside Warm Springs Valley, Alberhill Creek E of Nichols Road. Comment
  POM308551  Bebbia juncea Henry J. Ramsey, Henry J. Ramsey 1939-11-28 3144 Riverside 10 miles east of Indio. Comment
  POM49357  Bebbia juncea Philip A. Munz 1924-6-21 8203 Riverside Temecula Canyon. Comment
  UCR132490  Bebbia juncea Chet McGaugh 2004-2-25 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, northern Palm Springs, near the Whitewater River channel, NW corner of Sunrise Way and San Rafael 171 Comment
  SEINET10616170  Bebbia juncea David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2869 Riverside Pushawalla Canyon, Indio Hills. In dry wash. Comment
  CAS-BOT-BC100116  Bebbia juncea var. aspera Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9555 Riverside In wash 1 mile below Cottonwood Springs Comment
  RSA0088483  Bebbia juncea var. aspera Robert Vargas 2016-4-9 21 Riverside LA basin, White water canyon reserve. 536 Comment
  POM17943  Berberis dictyota P. A. Munz 1923-6-14 7114 Riverside Trail from Glen Ivy to Santiago Peak Comment
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Oct 22 2011
  UC1563041  Berberis nevinii Steve Boyd, Tim Ross, and Laurel Arnseth 1989-3-19 3055 Riverside s flank Oak Mountain (0.75 mi n of dam); Vail Lake 518 Comment
  JOTR32894  Bernardia incana La Doux, Tasha, E. Babich 2008-3-5 3017 Riverside Joshua Tree National Park. NW Eagle Mountains, approx. 3mi NE of Cottonwood Visitor Center; open rocky bajada/pediment 1085 Comment
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Jan 19 2014
  CAS-BOT-BC127990  Bidens pilosa H. M. Hall 1901-8-1 s.n. Riverside Vicinity of Riverside 304 Comment
  CAS-BOT-BC412943  Bistorta bistortoides Mary F. Spencer 1919-7-6 1262 Riverside Tacquitz [Tahquitz] Meadow, San Jacinto Mt. 2377 Comment
  UC1595596  Bloomeria crocea Steve Boyd and Tim Ross 1990-5-11 4617 Riverside Vail Lake area Cleveland National Forest, Agua Tibia Mtn. (base of mt., e of Dripping Springs campground, s of Hwy 79) 548 Comment
  RSA395897  Bloomeria crocea var. crocea Steve Boyd 1986-4-22 1762 Riverside Terrace escarpment W side of Indian Wash, S of I -15. Comment
  CAS-BOT-BC16095  Boechera californica Nancy Ryan Zabriskie; Walter Zabriskie 1972-6-18 524 Riverside San Jacinto Mountains. Northwest of Idyllwild. Along fire road south of south end Marion Ridge Road, Pine Cove. 1938 Comment
  CAS-BOT-BC27049  Boechera johnstonii P. A. Munz; Ivan Murray Johnston 1922-5-19 5485 Riverside San Jacinto Mts. Kenworthy, Thomas Valley 1371 Comment
  SBBG93064  Boerhavia coccinea A. C. Sanders 1989-9-19 9510 Riverside 1.75 km (airline) S of Tabaseca Tank, along the wash above "Tabaseca Target", Chocolate Mtns Aerial Gunnery Range 680 Comment
  SEINET7048152  Boerhavia coccinea Steven R. Hill 2001-5-3 33653 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
  JOTR30081  Boerhavia intermedia La Doux, Tasha, Bill Truesdell 2006-10-3 1712 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  SBBG93063  Boerhavia intermedia A. C. Sanders 1989-9-19 9511 Riverside 1.75 km (airline) S of Tabaseca Tank, along the wash above "Tabaseca Target"; Chocolate Mtns Aerial Gunnery Range, 680 Comment
  CDA33896  Brandegea bigelovii Mike Lahti 2010-5-29 PDR# 1358708 Riverside Palm Desert off Hwy 74. 0 Comment
  RSA336186  Brandegea bigelovii R. F. Thorne 1978-4-23 52038 Riverside Just E of Palm Desert. Comment
  UCD107471  Brandegea bigelovii Geoffrey Levin 1976-10-17 1169 Riverside Box Canyon, about 11 mi. east of Mecca. Mecca Hills Mt. Range. Comment
  RSA0045290  Brassica nigra Margaret Murphy 1983-5-21 0037 -D Riverside Dry river wash located in the north section of parcel 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  SFV6318  Brassica tournefortii T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 33 Riverside San Bernardino Mountains Whitewater Canyon Road, 3 miles north of Highway 60. 630 Comment
  UCR167071  Brassica tournefortii Scott D. White 2005-3-29 10826 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  CAS-BOT-BC106336  Brickellia atractyloides var. arguta Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9553 Riverside Cottonwood Springs Canyon Comment
  CLARK-A1528-1671  Brickellia desertorum John C. Roos 1947-11-1 3752 Riverside Eagle Mountains Comment
  RSA78377  Brickellia desertorum J. C. Roos 1950-11-25 5026 Riverside N end Perris Blvd, Sunnymead. 610 Comment
  UC1279709  Brickellia desertorum D. B. Dunn 1947-10-9 3521 Riverside at campground area by Hidden Valley, Joshua Tree National Monument Joshua Tree National Monument, Hidden Valley Comment
  SD21523  Brickellia incana Frank F. Gander 1938-5-21 5766 Riverside Shaver's Summit Comment
  RSA180515  Brodiaea santarosae E. W. Lathrop 1960-5-27 5221 Riverside 6 miles west of Murrieta. Comment
  LA13699  Bromus arenarius F. M. Reed; 1906-6-14 1007 Riverside San Bernardino Mountains, Smith backs in Carnshead grade (?) Comment
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Jan 18 2014
  SEINET244299 Image available Bromus arenarius A. C. Sanders, Mitch Provance; T. B. Salvato 2001-5-9 24211 Riverside Perris-Aguanga Basin; Hemet., SE of intersection of State St and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi SSW of Hemet Butte. 500 Comment
  UCR89494  Bromus arenarius Steve Boyd, Chris Frazier 1993-4-24 8006 Riverside Palomar Mountains, Palomar Range south of Vail Lake at the N base of Agua Tibia Mt., Agua TibiaWilderness area, Cleveland National Forest. Along trail extending S from end of Woodchuck Rd. 1000 Comment
  UCD57694  Bromus arizonicus John Thomas Howell 1956-3-20 31119 Riverside Riverside. 8th street. Comment
  UC1951127  Bromus carinatus Scott D. White, Justin Wood 2009-5-22 12896 Riverside SAN JACINTO MOUNTAINS: Quinn Flat Meadow. USGS Idyllwild 7.5' Quad. Comment
  SDSU945  Bromus carinatus var. carinatus A. H. Gallup 1948-6-12 204 Riverside At Idylwild along road, San Jacinto Mts, Pacific Slope Comment
  RSA192177  Bromus diandrus E. W. Lathrop 1965-5-30 5787 Riverside 6 miles W of Murrieta. Comment
  RSA701366  Bromus hordeaceus Steve Boyd, Aydee Virgen 2004-4-13 10862 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  RSA741181  Bromus japonicus Scott D. White, Justin M. Wood 2008-6-17 12168 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  SD248298  Bromus madritensis subsp. rubens A. C. Sanders, John F. Green 2012-3-26 39998 Riverside Peninsular Range;, Santa Ana Mountains Area: Temescal Canyon, mouth of a small canyon between Horsetheif Canyon and I-15 Fwy crossing of Temescal Wash, west of Hostettler Road (Alberhill 7.5'Q) 369 Comment
  CAS-BOT-BC27873  Bromus orcuttianus var. hallii H. M. Hall 1901-6-1 2301 Riverside San Jacinto Mountains. West side. 1737 Comment
  UCR138913  Bromus rubens Julie A. Greene 1993-4-3 1099 Riverside San Jacinto Valley, San Jacinto Wildlife Area, south of permanent pond 441 Comment
  RSA614132  Bromus rubens D. L. Banks 1997-2-23 1299 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
  CAS-BOT-BC185644  Bromus tectorum Peter H. Raven 1959-5-18 14235 Riverside Lake Fulmor, San Jacinto Mountains. Comment
  CLARK-A1528-48  Bromus tectorum C. M. Flanagan 1973-4-26 OO 319 Riverside Morongo Indian Reservation 1158 Comment
  SEINET14622882  Bromus tectorum S. D. White 1997-5-18 5165 Riverside San Jacinto Mts. Vista Grande Area: Just W of USFS Vista Grande Fire Station (i.e. Hwy 243 ca. 10 road mi. SE of Banni 1500 Comment
  UCR201704  Bromus tectorum Scott D. White, Justin M. Wood 2008-5-15 12003 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  RSA0020665  Bromus tectorum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3637 Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Highway 79. 488 Comment
  UCR232025  Caesalpinia gilliesii John F. Green 2008-4-24 13- 10 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris along Hwy 74, between Lazy Lizard Dr. and Wasson Canyon Rd. 504 Comment
  UCR18388  Calandrinia ambigua Holly Hartman 1979-4-25 s.n. Riverside Western Colorado Desert, Painted Canyon in the Mecca Hills Comment
  POM305822  Calandrinia ciliata Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1072 Riverside Corona-Elsinore. Comment
  UCR19204  Calandrinia ciliata John C. Roos 1966-3-24 s.n. Riverside Winchester 457 Comment
  UCR250126  Calandrinia ciliata A. C. Sanders 2014-4-8 40985 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 0.35 km NW of El Hermano Rd., c. 0.95 km SE of I-15 crossing 315 Comment
  SEINET10531073  Calocedrus decurrens James S. Miller 1992-5-8 Miller 7469 Riverside San Jacinto Mountains. 11 mi E of W boundary of San Bernadino National Forest on California route 74. 1300 Comment
  CSUSB1198  Calochortus catalinae Leland R. Dykes 1962-4-22 35 Riverside Corona-Lake Matthews Road, 1 mile west of Lake Matthews. Comment
  POM122635  Calochortus concolor Marcus E. Jones 1925-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  UCR189802  Calochortus plummerae Amy Rowland 2007-6-19 078 Riverside Peninsular Range, San Jacinto Mountains Region, San Jacinto Moutnains, off of Hwy 74 c. 1.75 mi west of intersection of Hwy 74 and Hwy 243 1239 Comment
  RSA501018  Calochortus splendens Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3137 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
  RSA524587  Calochortus splendens Steve Boyd, Timothy S. Ross, Laurel Arnseth, J. Bonilla 1990-4-3 4136 Riverside Vail Lake area, SW base of 'Big' Oak Mountain, mouth of Temecula Creek Canyon. 366 Comment
  UCR274303  Calochortus weedii var. weedii T. B. Salvato, Melissa Clemons 2005-6-6 1423 Riverside Peninsular Range, Gavilan Hills, c. 0.75 mile south-southeast of Steele Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore 579 Comment
  RSA674712  Calycadenia tenella Scott D. White 2000-5-1 7748 Riverside Corona: Western foothills of Santa Ana Mountains near Bedford Canyon. 351 Comment
  UCR48513  Calycadenia tenella Steve Boyd 1986-5-7 1837 Riverside Peninsular Range, Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, south of Hwy I-15 366 Comment
  SD215390  Calycoseris parryi Steve Boyd, Dave Bramlet 1991-5-13 6243 Riverside Domenigoni Hills, North side of Domenigoni-Diamond Valleys east-southeast of Winchester. Vicinity of ultramafic outcrop on ridge top South of Sounth end of Warren Road. 548 Comment
  RSA796093  Calycoseris wrightii Duncan S. Bell 2009-4-20 309 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  CLARK-A1528-3816  Calyptridium monandrum John C. Roos 1937-3-3 1302 Riverside La Sierra Comment
  RSA0123298  Calyptridium monandrum Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8984 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
  SD38093  Calyptridium monandrum Edith A. Purer 1935-4-21 6477 Riverside Near Palm Springs, Colorado Desert Comment
  UC1584109  Calyptridium monandrum Steve Boyd, Tim Ross, Laurel Arnseth 1990-3-29 3833 Riverside at n side of mouth of Temecula Creek Canyon (and adjacent benches on s flank of Big Oak Mountain); Vail Lake Area, Temecula Creek Canyon 396 Comment
  UC454261  Calyptridium monospermum I. J. Condit 1910-6-23 Riverside summit of San Jacinto Mountain 3291 Comment
  UCR16647  Calyptridium monospermum Pam Maynard 1974-5-26 s.n. Riverside San Jacinto Mtns., Idyllwild, Humber Park trail 2744 Comment
  UCR250587  Calystegia macrostegia A. C. Sanders 2013-6-20 40834 Riverside Peninsular Range, Alberhill, along lower part of 'new' Nichols Rd. extension, just west of Collier Ave. intersection, NE of Pierce St. intersection 386 Comment
  UCR35149  Calystegia macrostegia L. B. Ziegler 1972-7-19 491 Riverside San Jacinto Valley. Dry wash of the San Jacinto River 473 Comment
  RSA0051250  Calystegia macrostegia subsp. longiloba Paul McLaughlin 1976-4-7 0407761 Riverside Box Springs Mountains one mile west of Box Springs Mt. Road along County Park trail. 822 Comment
  CAS-BOT-BC221317  Calystegia macrostegia subsp. tenuifolia C. L. Hitchcock; C. V. Muhlick 1964-3-17 23108 Riverside 10 miles n. of Pala, on road to Elsinore Comment
  CAS-BOT-BC221320  Calystegia macrostegia subsp. tenuifolia G. P. Rixford 1915-4-3 s.n. Riverside Riverside Comment
  SDSU14018  Calystegia macrostegia subsp. tenuifolia Jonathan S. Austin, Michael G. Simpson 2002-4-20 13 Riverside Along northeastern part of Loop trail, north side of road. Santa Margarita Ecological Reserve. 339 Comment
  RSA186658  Camissonia bistorta Peter H. Raven 1962-3-14 16907 Riverside East limits of Homeland. Comment
  UCR251309  Camissonia bistorta T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2013-3-28 7426 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Murrieta Road and Scott Road 517 Comment
  RSA727394  Camissonia boothii Naomi S. Fraga, Lisa Rojas 2005-2-10 1396 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  SEINET3005040  Camissonia brevipes G. Rink 2011-4-25 10475 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe 118 Comment
  POM201158  Camissonia brevipes subsp. brevipes Carl B. Wolf 1932-4-29 3108 Riverside Eastern Colorado Desert, 9 mi S of Brown's Well on the Blythe-Rice Road [Midland Rd]. 244 Comment
  RSA771120  Camissonia campestris subsp. campestris Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5006 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 732 Comment
  RSA136919  Camissonia cardiophylla Peter H. Raven 1958-3-15 11832 Riverside Painted Canyon, near Mecca. Comment
  RSA454740  Camissonia cardiophylla N. C. Cooper 1944-5-20 2630 Riverside Palms to Pines Hwy., San Jacinto Mtns. 305 Comment
  RSA692196  Camissonia cardiophylla Scott D. White, Michael Honer 2003-5-14 9297 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  UCR134591  Camissonia claviformis Marisa Sripracha, Kyle Boyd 2004-2-14 007 Riverside Sonoran (Colorado) Desert, Snow Creek, 25 m from Snow Creek Road, 0.7 km south of Hwy 111 352 Comment
  RSA510019  Camissonia claviformis subsp. claviformis B. Pitzer 1988-3-10 652 B Riverside W side of Chuckwalla Mtns., on gas line road ca. 1.5 mi. N of intersectio with Red Cloud Mine Rd. (& wash); ca. 2 miles (airline) S of Hwy I-10., [Red Cloud Rd. 10 km cell; PH-2N, 3E.] 488 Comment
  RSA792748  Camissonia confusa Robert F. Thorne 1995-3-29 63034 Riverside White Water Canyon. 600 Comment
  RSA614393  Camissonia hirtella D. L. Banks, Victor W. Steinmann 1997-3-13 1527 B 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
  UCR45967  Camissonia hirtella R. F. Thorne, W. Wisura, E. W. Lathrop, S. Meury 1985-5-18 60623 Riverside Peninsular Ranges/Santa Ana Mtns, Santa Rosa Plateau: along Clinton Keith Rd., near base of the plateau 427 Comment
  UCR251711  Camissonia ignota T. B. Salvato 2014-4-9 7837 Riverside Perris-Aguanga Basin, Menifee, c. 4 mi southeast of Canyon Lake, northeast corner of Bundy Canyon Road and Sunset Avenue 534 Comment
  RSA85157  Camissonia intermedia J. C. Roos 1952-4-16 5546 Riverside Reche Canyon. 457 Comment
  RSA0014606  Camissonia micrantha Justin M. Wood 2010-5-12 1681 Riverside Santa Ana Canyon: Santa Ana River; approx. 0.75 miles downstream of Prado Dam. Just NE of Green River housing estate. 137 Comment
  RSA543893  Camissonia micrantha Steve Boyd, Dave Bramlet 1991-5-13 6256 Riverside Domenigoni Hills, N side of Domenigoni-Diamond Valleys ESE of Winchester. Vicinity of ultramafic outcrop on ridge top S of S-end of Warren Road. 549 Comment
  RSA543896  Camissonia micrantha Steve Boyd 1991-5-20 6273 Riverside Santa Ana Mountains, NW of Lake Elsinore. Lower Rice Cyn, just inside Cleveland Nat. For. boundary. 573 Comment
  UCR51022  Camissonia micrantha S. J. Myers 1988-2-24 s.n. Riverside Peninsular Range, Temescal Canyon, about 0.25 mi west of intersection of Hwy I-15 and Indian Truck Trail 381 Comment
  SEINET3142508  Camissonia pallida A. L. Reina G., TR Van Devender 2003-3-30 2003 -316 Riverside Palm Springs 159 Comment
  POM37761  Camissonia pallida subsp. pallida Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  RSA449220  Camissonia pallida subsp. pallida H. de Forest 1933-4-16 17594 Riverside Chino Canyon, Colorado Desert, E of Coachella Valley Comment
  JOTR31936  Camissonia refracta La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2174 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky wash with gradual, loose slopes on either side; draining into west Pinkham Wash Comment
  CLARK-A1528-665  Camissonia strigulosa Charlotte Stocks 1963-4-28 Riverside Box Canyon Comment
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Jul 7 2020
  POM302488  Camissonia strigulosa J. C. Roos 1943-8-8 2703 Riverside Dry flat, Hall Canyon, San Jacinto Mts. 1768 Comment
  RSA186604  Camissonia strigulosa Peter H. Raven 1959-5-17 14234 Riverside Lake Fulmor, San Jacinto Mtns. Comment
  RSA519238  Camissonia strigulosa Ed LaRue 1989-4-25 s.n. Riverside 6 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  RSA771115  Camissonia strigulosa Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4924 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 823 Comment
  UCR87658  Camissonia strigulosa A. C. Sanders 1994-5-29 14571 Riverside San Bernardino Mtns, East Branch Millard Canyon, along Forest Service Road 4S45 1200 Comment
  SD136805  Camissoniopsis hirtella Steve Boyd 1992-4-14 6788 Riverside San Mateo Canyon Wilderness Area; along Verdugo Trail from Tenaja Trail to Bluewater Trail in upper watershed of Bluewagter Canyon, south of Sitton Peak. 792 Comment
  RSA0086761  Capsella bursa-pastoris R. G. Swinney 1967-5-26 11728 Riverside Snow Creek. 335 Comment
  UCR25014  Carex alma George K. Helmkamp 1981-6-25 s.n. Riverside San Jacinto Mountains, Idyllwild. Strawberry Creek c. 200 yards south of the bridge near the U.S.C. campus. Comment
  CAS-BOT-BC20600  Carex douglasii Philip Alexander Munz 1938-8-13 15331 Riverside Santa Rosa Peak. 2316 Comment
  UCR199641  Carex praegracilis Scott D. White, Justin M. Wood 2008-4-3 11795 Riverside Perris/Elsinore Basin, Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon 'Morgan' Property, Alberhill area 366 Comment
  OBI37489  Carex schottii Steve Boyd 1985-7-23 1024 Riverside De Luz Rd, 8.5 mi W of Rancho Calif; along Sandia Crk 274 Comment
  RSA364556  Carex schottii I. M. Johnston 1918-4-27 1859 Riverside Murrieta. 305 Comment
  CHSC88475  Carex senta L. P. Janeway 2004-5-8 8063 Riverside Peninsular Ranges. Santa Ana Mountains, San Mateo Canyon; along the creek 150 m south-southwest of the Tenaja Trail trailhead at Wildomar Road. 384 Comment
  UCR123632  Carex spissa Steven R. Hill, A. C. Sanders 2001-5-4 33729 Riverside Santa Rosa Plateau, Carancho Road, at crossing of De Luz Creek (headwaters) 360 Comment
  CAS-BOT-BC115979  Carex subfusca Philip Alexander Munz 1938-8-14 15348 Riverside Meadow, Virgin Spring, Santa Rosa Peak. 2286 Comment
  UC1563042  Carex triquetra Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-31 3069 Riverside 0.25 mi e Pauba Road (s of Hwy 79); Vail Lake area 426 Comment
  RSA744928  Castela emoryi Michael Honer, Theresa Miller 2005-3-11 2066 - B Riverside Rice Valley; 4.5 mi. SSE of Rice; 1.5 mi. E of ATSF railway. 220 Comment
  RSA448693  Castilleja applegatei subsp. martinii Anstruther Davidson 1883 Riverside Idyllwild. San Jacinto. Comment
  RSA701409  Castilleja exserta Steve D. Boyd, Aydee Virgen 2004-4-13 10870 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  SDSU13332  Castilleja exserta subsp. exserta Tom Duffy, Taria Sagar 2000-4-29 6 Riverside Two hundred meters NE of Santa Margarita Ecological Reserve North field station 320 Comment
  SD185309  Castilleja foliolosa T. B. Salvato, John F. Green 2004-5-27 633 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 1402 Comment
  UCR115997  Castilleja foliolosa A. C. Sanders, Pam MacKay, E. J. Lawlor, C. L. Sanders 2000-3-19 23318 Riverside Shipley-Skinner Reserve area, along old Rawson Rd. just north of Crown Valley, above Diamond Valley 579 Comment
  UCSB9374  Castilleja foliolosa Lloyd, Robert 1959-4-17 Riverside Santa Ana Mt Range; 4 1/4 mi S of W Corona; on the Oak Flats Fire Road 426 Comment
  UCR193360  Castilleja minor subsp. spiralis A. C. Sanders, Tim Thomas 2008-6-20 35552 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  JOTR37756  Caulanthus cooperi Hodges, Stephen R. 2016-2-29 712 Riverside Joshua Tree National Park. Pleasant Valley, off of Geotour Road near the Pushwalla Canyon trailhead Comment
  CAS-BOT-BC41089  Caulanthus hallii Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway. Mount San Jacinto. Comment
  UCR17074  Caulanthus heterophyllus Heidi A. Haid 1969-5-8 s.n. Riverside Peninsular Range; San jacinto Mtns., Bautista Canyon; c. 7 mi east of Fairview Ave on Hwy 74 915 Comment
  CAS-BOT-BC126757  Caulanthus lasiophyllus A. C. Sanders; Mark Bibbo; Erin Bergman; Lance Woolley 2010-3-16 37458 Riverside Sonoran (Colorado) Desert: SE side of McCoy Mountains, c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  RSA0124738  Caulanthus lasiophyllus Duncan S. Bell, LeRoy Gross 2016-3-9 8847 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 1.75 air miles north of Gucci Spring. 551 Comment
  SBBG101779  Caulanthus simulans S. Boyd with T. Ross, M. Hammitt 1991-5-2 6023 Riverside SW and W flanks of Billy Goat Mtn, 3 mi N of Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  RSA575070  Ceanothus crassifolius Steve Boyd 1981-3-4 810304 -R Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  RSA606767  Ceanothus crassifolius Jon E. Keeley 1996-5-5 27352 Riverside Chaparral S of Hwy 79 on Woodchuck Rd., E of Temecula. 183 Comment
  UCR270184  Ceanothus crassifolius A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42411 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  RSA575068  Ceanothus cuneatus Steve Boyd 1981-3-4 810304 -M Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  RSA0034414  Ceanothus cuneatus I. W. Clokey, E. N. Anderson 1935-4-16 6734 Riverside East of Hemet. 630 Comment
  POM305369  Ceanothus leucodermis Henry J. Ramsey 1938-3-26 649 Riverside Temecula. Comment
  SD7232  Ceanothus leucodermis Daniel Cleveland May 1882 Riverside Temecula Comment
  CAS-BOT-BC63567  Ceanothus oliganthus var. orcuttii Carl B. Wolf 1935-6-18 7208 Riverside Santa Ana Mts., Coldwater Can. Trail, about 1.5 mi. below (n.) main divide motorway. 1280 Comment
  HSC84221  Ceanothus oliganthus var. sorediatus Dave Hawks 1987-3-2 Riverside S of Hemet, intersection of Palm Ave. and Saddle Ridge Trail 473 Comment
  RSA557891  Ceanothus oliganthus var. sorediatus Steve Boyd, Orlando Mistretta 1992-4-22 7002 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  RSA557733  Ceanothus ophiochilus Steve Boyd, Ken Berg, Sandy Morey, Jon Keeley 1992-5-3 7169 A Riverside Vail Lake area, ridge about 1 mile west of the lake, east of ''Little'' Oak Mountain. 610 Comment
  UCR103390  Ceanothus ophiochilus Steve Boyd, K. A. Boyd 1993-3-28 7914 Riverside Palomar Mountains, Palomar Range south of Vail Lake at the N base of Agau Tibia Mt., Agua Tibia Widerness area, Cleveland National Forest. Along trail extending S from end of Woodchuck Rd 884 Comment
  UCR89469  Ceanothus ophiochilus Steve Boyd, Chris Frazier 1993-4-24 8012 Riverside Palomar Mountains, Palomar Range south of Vail Lake at the N base of Agua Tibia Mt., Agua TibiaWilderness area, Cleveland National Forest. Along trail extending S from end of Woodchuck Rd. 1000 Comment
  SEINET11192079  Ceanothus ophiochilus C. L. Schmidt 1995-1 Riverside Comment
  CAS-BOT-BC167233  Ceanothus palmeri Abby Sirulnik 2000-5-7 39 Riverside Peninsular Ranges; San Jacinto Mtns.: CA Hwy 243, ca. 6 mi. S of Poppet Flat Road 1646 Comment
  RSA221090  Ceanothus palmeri E. W. Lathrop 1966-3-30 6120 Riverside Mail Divide Truck, Trail between El Carriso and Santiago Peak, Cleveland Nat'l Forest 1220 Comment
  UCR131678  Ceanothus palmeri C. B. Wolf 1941-8-12 11142 Riverside San Jacinto Mtns., 3.5 miles NW of Idyllwild on Dark Canyon Road 1829 Comment
  RSA0019593  Ceanothus palmeri Keith E. Hoffmaster 1937-6-6 776 Riverside San Jacinto Mountains. Comment
  POM254871  Ceanothus papillosus var. roweanus W. Pequegnat s.n. Riverside 7 mi. south of Sierra Peak, on Main Divide Rd. 1159 Comment
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Nov 20 2010
  CAS-BOT-BC126849  Ceanothus pauciflorus Nancy Ryan Zabriskie; Walter Zabriskie 1970-5-2 292 Riverside Up canyon from turnout parking area which is 1/2 mi. up Sta. Rosa Mt. road from Hwy. 74, Santa Rosa Mountains 1371 Comment
  SBBG4148  Ceanothus perplexans H. and M. Dearing 1939-4-5 3088 Riverside 2 mi W of Beaumont Comment
  UCSB3903  Ceanothus perplexans Keator, Glenn 1959-5-17 Riverside Pinon flats near Colorado desert on Palms to Pines highway. Comment
  RSA0018937  Ceanothus perplexans J. D. Olmsted 1959-4-10 345 Riverside 3 miles south of Banning on highway to Idyllwild. Drainage area into San Gorgonio Pass. 1067 Comment
  HSC18382  Ceanothus tomentosus var. olivaceus C. L. Hitchcock, C. V. Muhlick 1964-3-17 23107 Riverside 10 mi. N of Pala, along road to Elsinore. Comment
  SD28073  Celtis reticulata Carl B. Wolf 1932-5-25 3686 Riverside Gilman Ranch in the foothills north of Banning 853 Comment
  SEINET238463 Image available Cenchrus echinatus A. C. Sanders, Mitch Provance; T. B. Salvato 2000-4-18 23326 Riverside Coachella Valley: Along Dillon Rd. at junction with Tyler north of I-10 E of Indio and N of Coachella. 5 Comment
  RSA736785  Centaurea melitensis Scott D. White, Angelia Carey 2004-7-2 10552 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UCD130056  Centaurea melitensis E. W. Lathrop 1966-3-23 6518 Riverside 4 miles west of Corona between Tin Mine Canyon and Santiago Peakm Skyline Drive. 1219 Comment
  CLARK-A1045-865  Centaurium venustum George K. Helmkamp 1978-6-1 #2 Riverside Santa Ana Mountains off of De Luz Road near [southeast of] Mesa de Burro; ; Murrieta 7.5'Q 487 Comment
  UC22696  Centaurium venustum H. M. Hall Jun 1901 2106 Riverside e base San Jacinto Mountains (along borders of the Colorado Desert); , Colorado Desert Comment
  JOTR33968  Centrostegia thurberi La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2854 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
  JOTR00987  Centrostegia thurberi Cole, James E. 1941-5-17 711 Riverside Joshua Tree National Park. COVINGTON FLAT CANYON 1280 Comment
  RSA561781  Cerastium glomeratum Steve Boyd 1992-4-14 6847 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail. 341 Comment
  UCR16780  Cercocarpus betuloides John Milbauer 1976-5-1 s.n. Riverside San Jacinto Mtns., north slope of Mt. San Jacinto, [at/near Mt. Edna Rd.] 6 mi. SE of Banning on Hwy 243 1159 Comment
  UCR16484  Cercocarpus ledifolius Vicki Barnum 1968-5-17 s.n. Riverside San Jacinto Mountains, Mt. San Jacinto, Long Valley, within 0.5 mi of tram walkway 2622 Comment
  RSA356639  Cercocarpus minutiflorus Robert F. Thorne, C. W. Tilforth 1975-8-29 47298 Riverside Stream bank below Tenaja Guard Station, Cleveland Nat Forest Comment
  SEINET9356336  Chaenactis Unknown 1976-5-4 Riverside Red Mountain Road. Comment
  RSA68347  Chaenactis artemisiifolia G. R. Campbell 1951-5-30 16159 Riverside 9 miles west of Anza. 1067 Comment
  UCR19838  Chaenactis artemisiifolia Henry E. Davis 1969-5-18 29 Riverside Beaumont Badlands, off Redlands Blvd., on top of ridge 1 mile from main road 734 Comment
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Sep 13 2015
  RSA703411  Chaenactis carphoclinia var. carphoclinia LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1463 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  POM351695  Chaenactis fremontii N. C. Cooper 1944-4-23 1122 Riverside Banning 701 Comment
  POM351700  Chaenactis fremontii Ora M. Clark 1929-2-22 1544 Riverside south Cabazon Comment
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Mar 13 2011
  RSA0124032  Chaenactis fremontii Duncan S. Bell, LeRoy Gross 2016-3-10 8877 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
  RSA314651  Chaenactis fremontii R. F. Thorne 1983-4-23 55491 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  UC1119695  Chaenactis fremontii H. S. Yates 1936-4-7 5426 Riverside near Whitewater; San Jacinto 304 Comment
  UCR8406  Chaenactis fremontii Sally Bell 1964-4-18 s.n. Riverside Sonoran (Colorado) Desert; Coachella Valley, Desert Hot Springs, east side of Indian Canyon Dr., c. 3 miles from Twentynine Palms Highway [Hwy 62] junction 366 Comment
  SEINET10798237  Chaenactis fremontii A. K. Evans 1976-4-13 Evans 5203 Riverside Rocky slopes of Santa Rosa Mountains. Comment
  RSA750743  Chaenactis glabriuscula Scott D. White, Justin M. Wood 2009-5-22 12910 Riverside San Jacinto Mountains: Idyllwild area; 'Strawberry Fuelbreak' between Strawberry Creek and road to sewage ponds. Comment
  CAS-BOT-BC277405  Chaenactis glabriuscula var. glabriuscula C. L. Hitchcock 1940-4-12 6038 Riverside 8 mi. northwest of Elsinore 457 Comment
  RSA278485  Chaenactis glabriuscula var. glabriuscula John F. Emmel 1977-6-26 573 Riverside San Jacinto Mts, flat area 0.1 air mile WNW of Vista Grande Ranger Station, ESE of Ranger Peak 1500 Comment
  RSA507171  Chaenactis glabriuscula var. glabriuscula Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mts, N of Castile Canyon Dr. at Poppet flat, off Hwy 243. Comment
  RSA708415  Chaenactis glabriuscula var. glabriuscula Scott D. White 2005-3-29 10840 Riverside San Gorgonio Pass: Cabazon. Alluvial fan and benches west of San Gorgonio river and south of I-10 Freeway. West of existing gravel quarry, likely to be proposed for quarry expansion. 585 Comment
  JOTR35304  Chaenactis stevioides Andre, Jim 2012-4-11 20803 Riverside Joshua Tree National Park. western margin of Eagle Mountains, along road to Cottonwood Spring (Utah Trail), 0.7mi N of Cottonwood Visitor Center 956 Comment
  UC195040  Chaenactis stevioides Joseph Grinnell 1910-5-17 Riverside Riverside Mt., Colorado River Comment
  RSA779928  Chamaesyce abramsiana Marc Baker, Alice Karl 2011-10-5 17473 Riverside Just west of Black Creek Road, 8.7 km NW of the summit of McCoy Peak, 21 km NW of Blythe, lower bajada on the east flank of the McCoy Mountains 171 Comment
  JOTR31118  Chamaesyce albomarginata La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 2501 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Lower ridges at base of Quail Mountain; within old burn area between Lost Horse Valley and Juniper Flats (Stop 2) Comment
  HSC83003  Chamaesyce polycarpa G. K. Helmkamp 1985-6-28 600 Riverside S of Morongo Valley, at the lower end of the canyon where it opens into the W end of the Coachella Valley 503 Comment
  JOTR32615  Chamaesyce polycarpa La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2676 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  RSA775100  Chamaesyce polycarpa Duncan S. Bell, Michael Hee 2011-3-18 2053 Riverside Chuckwalla Mountains; north side of mountain range approximately 3 air miles southeast of Desert Center. 392 Comment
  RSA781419  Chamaesyce polycarpa Duncan S. Bell 2011-10-22 2999 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  SEINET3165333  Chamaesyce polycarpa L. S. Rose 1936-12-26 36821 Riverside Hayfield, 5 mi. W of Desert Center 914 Comment
  UC750619  Chamaesyce polycarpa Lewis S. Rose 1946-12-25 46305 Riverside 5 mi e Cabazon; San Gorgonio Pass 441 Comment
  RSA432484A  Chamaesyce polycarpa var. hirtella Robert M. Perkins, H. de Forest 1937-3-15 s.n. Riverside West of blythe. Comment
  RSA487533  Chamaesyce polycarpa var. polycarpa B. Pitzer 1988-3-10 644 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
  RSA615380  Chamaesyce prostrata A. C. Sanders, L. Ard, et al. 1994-7-11 15061 Riverside Cherry Valley, irrigated landscaping at the Edward-Dean Museum, Oak Glen Rd. 1 mi. N. of Orchard St. 1000 Comment
  RSA559343  Chamaesyce serpillifolia Steve Boyd, T. S. Ross 1992-5-15 7399 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 670 Comment
  RSA734745  Chamaesyce serpillifolia L. C. Wheeler 1945-10-6 6147 Riverside San Jacinto Mountains. 1/2 mi. east of Ranger Peak. 1371 Comment
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Feb 17 2013
  RSA678944  Cheilanthes clevelandii Scott D. White, Michael Honer 2003-6-3 9488 Riverside Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  SEINET238735 Image available Cheilanthes clevelandii A. C. Sanders, Mitch Provance; E. J. Lawlor 2000-1-23 23312 Riverside Lake Skinner area: summit of Black Mtn. 915 Comment
  IRVC3125  Cheilanthes covillei R. H. Whittaker, W. A. Niering 1963-5-28 SJ 20 Riverside Below Idyllwild toward Mountain Center. Peninsular Ranges, San Jacinto Mountains 1524 Comment
  RSA85555  Cheilanthes covillei F. W. Peirson 1921-3-22 2331 Riverside Murray Canyon near Palm Springs. 488 Comment
  UCR178965  Cheilanthes covillei Mitch Provance, Tracy Tennant 1998-6-16 MOR- 398 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, just north of tree stand M-09 1280 Comment
  RSA716426  Cheilanthes newberryi Scott D. White 2006-4-27 11312 Riverside Perris Basin/San Jacinto Mtn. Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  UC42541  Cheilanthes newberryi Brewer 1861-1-30 148 Riverside Temescal Range Comment
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Jan 1 2015
  UCR151107  Cheilanthes newberryi Scott D. White 1999-5-28 7435 Riverside Peninsular Ranges/Perris-Aguanga Basin region/Gavilan Hills, Gavilan Hills, c. 3 air mi SE of junction of Cajalco Rd. and Gavilan Rd.; east of Juniper Rd. between Blue Sky Dr. and Celestial Dr 689 Comment
  CAS-BOT-BC68052  Cheilanthes parryi Marcus E. Jones 1906-4-26 s.n. Riverside Indio Comment
  POM6637  Cheilanthes parryi P. A. Munz, Street, Williams 1919-3-25 2325 Riverside Palm Canyon. 243 Comment
  UCR17579  Cheilanthes parryi N. R. Zabriskie, W. M. Zabriskie 1971-3-7 350 Riverside Western Colorado Desert/ San Jacinto Mtns, Andreas Canyon watershed 366 Comment
  POM219130  Chenopodium album L. C. Wheeler 1932-7-9 923 Riverside Central Ave. 3 mi. N Chino. 244 Comment
  UCR114197  Chenopodium berlandieri A. C. Sanders, D. Malueg, K. D. Jones, et al 2000-9-8 23644 Riverside Perris-Aguanga Basin Region, Tucalota Creek SE of French Valley Airport, on gasline route 381 Comment
  UCR950  Chenopodium berlandieri O. F. Clarke 1970-9-24 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River bottom just east of the old Salt Lake RR Bridge 216 Comment
  NY990883  Chenopodium californicum S. D. Boyd 1990-3-30 3970 Riverside Vail Lake area, valley between Black Hills and Rocky Ridge. 701 Comment
  UCR90977  Chenopodium californicum Scott D. White 1996-3-23 3845 Riverside Perris Basin, Santa Rosa Hills, SE of Hemet, Loomis property, 'Friendly Hills Ranch 610 Comment
  UCR265463  Chenopodium fremontii Jordan Zylstra 2014-8-17 14020 Riverside San Jacinto Mountains, Fobes Canyon wash, adjacent to Fobes Ranch Road 1483 Comment
  UCR113788  Chenopodium giganteum A. C. Sanders, Mitch Provance 2000-10-4 23716 Riverside Riverside, UCR Botanic Garden, gully on east fence SE of the herb garden 366 Comment
  SD148184  Chenopodium missouriense Mitch Provance 2000-10-28 2283 Riverside Jurupa Mountains Cultural Center, 0.25 mile southeast of peak 1411. 289 Comment
  UCR91041  Chenopodium murale George K. Helmkamp 1996-1-18 96-8- 3 Riverside Sonoran (Colorado) Desert, Colorado River Valley, c. 2 miles NE of Blythe 82 Comment
  CAS-BOT-BC231786  Chilopsis linearis Herman Knoche 1919-6-1 Series A, No. 591 Riverside Palm Springs Comment
  OBI38269  Chilopsis linearis subsp. arcuata David J. Keil 1985-8-30 18950 Riverside Along road through Joshua Tree NAtl Monument, 5 mi N of I-10 Comment
  UC1125577  Chilopsis linearis subsp. arcuata H. S. Yates 1936-4-7 5418 Riverside near Palm Springs San Jacinto Quad. Comment
  UCD121656  Chilopsis linearis subsp. arcuata L. S. Rose 1935-12-22 s.n. Riverside Colorado Desert, Palm Canyon Wash. 182 Comment
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Feb 6 2013
  UC218130  Chimaphila umbellata P. A. Munz 1922-9-6 6387 Riverside San Jacinto Mts., N. Fork Tahquitz Creek 2209 Comment
  RSA192143  Chlorogalum parviflorum H. A. Zuill 1966-6-19 222 Riverside 6 miles SW of Murrieta on the road to Los Alamos Ranch. Comment
  UCR87629  Chlorogalum pomeridianum A. C. Sanders 1994-5-30 14590 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  UCR112561  Chorispora tenella A. C. Sanders 1998-3-11 21695 Riverside Shipley/Skinner Reserve area, Diamond Valley, along State Street (R3) c. 1/2 mi. north of Newport Rd., south of Hemet 488 Comment
  UCR116805  Chorizanthe brevicornu A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23935 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  UCR148471  Chorizanthe brevicornu S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 20 Comment
  UCR167072  Chorizanthe coriacea Scott D. White 2005-3-29 10851 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  UCR97471  Chorizanthe coriacea B. G. Pitzer 1997-3-23 2979 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
  UC279686  Chorizanthe corrugata Edmund C. Jaeger 1926-2-28 Riverside Dos Palmas near Mecca; Colorado Desert, Dos Palmas near Mecca Comment
  CLARK-A1528-728  Chorizanthe fimbriata Robert Eaton 1968-5-13 680513-7 Riverside Sandia Canyon Comment
  RSA700060  Chorizanthe parryi var. parryi Scott D. White, Michael Honer 2003-4-25 9090 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. 610 Comment
  SBBG34231  Chorizanthe parryi var. parryi T. L. Secrest 1951-5-20 Riverside San Jacinto Mtns Comment
  UC1929714  Chorizanthe parryi var. parryi Scott D. White, Michael Honer 2003-4-25 9090 Riverside SAN BERNARDINO MTNS.: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 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
  UCR217511  Chorizanthe polygonoides var. longispina Jeff B. Galvin 2008-5-9 045 Riverside Peninsular Ranges, Palomar Mountains, Agua Tibia. 1.71 km south of Hwy 79 and 0.29 km west of Dripping Springs Trail 634 Comment
  UCR217512  Chorizanthe polygonoides var. longispina Jeff B. Galvin 2008-5-8 043 Riverside Peninsular ranges, Santa Ana Mtns, Santa Rosa Plateau, Sylvan Meadows, along Stevenson Trail 600 Comment
  UCR217539  Chorizanthe polygonoides var. longispina Diane Menuz 2008-4-9 400 Riverside Perris-Hemet Basin, Hartford Springs Reserve, near Idaleona Road 616 Comment
  UCR228837  Chorizanthe polygonoides var. longispina A. C. Sanders, T. B. Salvato 2011-4-27 39336 Riverside Peninsular Range, south side of Alberhill Mountain in vicinity of Durant Siding and Terra Cotta, near Nichols Rd. and extension (under construction) toward Lake St. 390 Comment
  RSA0031016  Chorizanthe rigida Jim Andre 2013-3-27 24805 Riverside Rice Valley; east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62). 242 Comment
  RSA305631  Chorizanthe rigida Henry J. Ramsey, Henry J. Ramsey 1937-3-2 868 Riverside Blythe, Colorado River bluffs. Comment
  RSA392737  Chorizanthe rigida E. C. Jaeger 1922-3-29 815 Riverside Chuckwalla Valley. 259 Comment
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May 29 2011
  RSA457799  Chorizanthe rigida Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2193 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  UC449704  Chorizanthe xanti var. leucotheca C. R. Orcutt Apr 1891 Riverside Cabazon Comment
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Mar 13 2011
  UCR94948  Chrysanthemum parthenium Scott D. White 1996-8-15 4478 Riverside San Jacinto Mtns., Strawberry Creek at Hwy 74 bridge 900 Comment
  POM352017  Chrysothamnus paniculatus P. A. Munz 1946-10-20 11585 Riverside Cottonwood Springs, Joshua Tree National Monument. 1067 Comment
  SEINET3102125  Chrysothamnus paniculatus Marc A. Baker, Michelle Cloud-Hughes 2011-10-13 17476 Riverside Cottonwood Mountains, Pinkham Canyon, 45km ESE of Palm Springs, 26km NW of Chiriaco Summit, 2.5km south of the Snow Cloud Mine. 808 Comment
  UCR109475  Chrysothamnus paniculatus A. C. Sanders, Pam MacKay, Tim Thomas, O. F. Clarke 1996-11-23 19656 Riverside San Bernardino Mtns., Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, east of VAMB Captain 534 Comment
  POM243703  Chrysothamnus teretifolius E. C. Jaeger 1938-10-22 s.n. Riverside 12 miles S of Warren's Well Comment
  JEPS23428  Chylismia brevipes subsp. brevipes W. L. Jepson 1928-4-25 12609 Riverside n Mecca; Cottonwood Spr. 731 Comment
  RSA0021233  Chylismia brevipes subsp. brevipes Jim Andre 2012-3-19 21321 Riverside Chuckwalla Mountains; north end of range at Jaeger Nature Sanctuary, 1.5 miles south of junction Eagle Mountain Road and I-10 freeway. 411 Comment
  SD125547  Chylismia brevipes subsp. brevipes Steven A. Junak 1983-3-24 1658 Riverside North side of Highway 10, 6.9 miles west of Pinto Basin Road. 427 Comment
  OBI30389  Chylismia claviformis T. Pringle 1966-2-22 22 Riverside Colorado Desert, along hwy 60, 1 mi SE of Garnet Comment
  CAS-BOT-BC160600  Chylismia claviformis subsp. aurantiaca F. O. Ballou 1926-2-27 s.n. Riverside Painted [Canon] Canyon Comment
  CAS-BOT-BC160602  Chylismia claviformis subsp. aurantiaca Carl B. Wolf 1937-4-6 8425 Riverside Colorado Desert. Coachella Valley, 2 mi. NE. of Edom 30 Comment
  JEPS23474  Chylismia claviformis subsp. aurantiaca I. W. Clokey and B. C. Templeton 1930-4-9 4725 Riverside n Palm Springs; Colorado Desert 170 Comment
  JOTR33760  Chylismia claviformis subsp. aurantiaca La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2758 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Gneiss outcrop on edge of large sandy wash in wide canyon that feeds southwest into Wilson Canyon (Stop 6) Comment
  RSA794235  Chylismia claviformis subsp. aurantiaca Jim Andre 2012-3-19 21310 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
  UC1183579  Chylismia claviformis subsp. aurantiaca W. M. Klein 1958-2-11 38 Riverside between Cathedral City and Palm Village (on CA 111 to Indio) 96 Comment
  UCD103907  Chylismia claviformis subsp. aurantiaca Geoffrey Levin 1976-11-26 1190 Riverside Box Canyon, about 11 miles E of Mecca. 91 Comment
  UCSB12723  Chylismia claviformis subsp. peirsonii Dearing, Hugh; Dearing, Margaret 1930-4-13 Riverside Colorado desert between El Centro and Palm Springs Comment
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Jan 7 2015
  UCR56326  Cicer arietinum J. C. Hitchcock 1989-4-12 s.n. Riverside University of California, Riverside, next to the Agricultural Operations Buildings, [south] of Pennsylvania Ave. 309 Comment
  UCR262284  Cirsium occidentale var. coulteri A. C. Sanders 2006-5-13 32277 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  UC1930022  Cirsium scariosum Scott D. White, Justin Wood 2008-5-15 11975 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom Comment
  POM778  Cistanthe monandra L. T. Street, Durant 1918-5-12 s.n. Riverside San Jacinto River Canyon. Comment
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Apr 16 2011
  RSA329670  Cistanthe monandra Gary D. Wallace 1966-3-26 250 Riverside Whitewater Canyon; 13 mi. E. of Banning, San Bernardino Nat l For. 427 Comment
  RSA612494  Cistanthe monandra D. L. Banks 1997-2-23 1323 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
  RSA0013348  Cistanthe monandra C. P. Cowan 1978-4-23 1181 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. 570 Comment
  RSA525333  Clarkia purpurea subsp. quadrivulnera Steve Boyd, A. C. Sanders, M. Skinner 1990-4-28 4463 Riverside Vail Lake area, Hwy R3 (Sage rd) at junction with Debby Road. just S of Sage. Comment
  UCR70285  Claytonia parviflora subsp. viridis Steve Boyd, T. S. Ross, L. Arnseth 1990-3-30 3943 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn, north of the lake, Saddle between summits, N slope along road heading N to Black Hills 793 Comment
  UCR214146  Claytonia perfoliata A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37710 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, 0.3 mi NNE (14 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 405 Comment
  CLARK-A1045-96  Claytonia perfoliata var. parviflora George K. Helmkamp 1977-4-30 Riverside San Jacinto Mountains 6 miles west of Pine Cove; on dirt road between Pine Cove and North Fork of the San Jacinto River; ; San Jacinto Peak 7.5'Q 1676 Comment
  RSA720598  Clematis lasiantha T. Tennant 1998-5-7 MOR- 85 Riverside Morongo Indian Reservation, Wood Canyon (polygon W8), ca. 0.6miles NNW of Cabazon. 1280 Comment
  RSA440805  Cleome isomeris D. A. Young 1969-3-1 P- 307 Riverside 1/2 mile N of Hwy 111; 1.8 mi E of White Water. 343 Comment
  POM13869B  Collinsia concolor Philip A. Munz 1922-4-29 5100 Riverside Dripping Springs, near Temecula Creek 518 Comment
  RSA0117448  Collinsia concolor A. C. Sanders, Tim Thomas 2008-6-20 35529 Riverside May Valley area, at spring with trough, along dirt road (May Valley Rd.) c. 1.5 mi. ENE of Keenwild, 0.5 mi. NW of FS Rd. 5S05 1600 Comment
  RSA0030787  Collinsia concolor N. C. Cooper 1944-5-20 1290 Riverside Palms to Pines Highway [Hwy. 74], San Jacinto Mountains. 1372 Comment
  RSA0117438  Collinsia concolor G. R. Campbell 1951-5-30 16137 Riverside 9 miles west of Anza. 1067 Comment
  RSA192317  Collinsia heterophylla E. W. Lathrop 1965-5-9 5724 Riverside 6 miles W of Murrieta. Comment
  HSC100941  Condalia globosa var. pubescens J. P. Smith, J. O. Sawyer 2009-11-30 12701 Riverside West of wash with palo verde tree. 638 Comment
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Aug 16 2015
  UCR90495  Conium maculatum F. M. Reed 1933-6-27 7865 Riverside South Coast; San Bernardino Valley, Riverside, Bluffs Ranch, Chicago Ave near Arroyo Tequesquite, in Little Arroyo (Arroyo Chico) 293 Comment
  UCR250094  Convolvulus simulans A. C. Sanders 2014-4-18 41038 Riverside Peninsular Range, Temescal Canyon, along De Palma Rd. between Horsethief Canyon Road and Glen Eden 372 Comment
  UCR252808  Convolvulus simulans Ana Hernandez, Karyn L. Drennen 2014-5-9 052 Riverside Perris Aguanga Basin, Santa Ana Mountains, foothills. Sycamore Creek Conservation Easement. 40 meters east of Campbell Ranch Road, 90 meters north of intersection with Indian Truck Trail 365 Comment
  RSA557358  Conyza bonariensis Julie Greene 1993-6-11 1355 Riverside [Unspecified] 440 Comment
  UCR106913  Conyza canadensis D. L. Banks 1996-11-5 1178 Riverside Agua Tibia Mountains, Pechanga Indian Reservation, east of San Gabriel Church; along main road in the Reservation; c. 20 m east of its intersection with Pechanga Creek 393 Comment
  UCR119423  Conyza coulteri Mitch Provance 1998-6-20 707 Riverside Jurupa Mountains, Glen Avon Heights, on the north side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  UC4405  Corallorhiza maculata H. M. Hall 1901-6 2345 Riverside Tauquitz Valley San Jacinto Mts. 2438 Comment
  JOTR28748  Cordylanthus rigidus subsp. setiger La Doux, Tasha, Ileene Anderson 2004-10-4 1640 Riverside Joshua Tree National Park. STOP 1 = Little SB Mtns; above Keys Ranch 1277 Comment
  POM13883  Cordylanthus rigidus subsp. setiger E. C. Jaeger 1921-7-15 1180 Riverside Massacre Canyon Comment
  POM8240  Coreopsis californica P. A. Munz, R. D. Harwood 1920-3-20 3385 Riverside Temescal Canyon. 366 Comment
  RSA0039599  Coreopsis californica var. californica Deidre Conocchioli, Duncan S. Bell 2014-3-4 143 Riverside Off the Pacific Crest Trail in the San Bernardino Mountains. In Whitewater Canyon 8.5 miles E of Hwy-62. Just S of Red Dome. 695 Comment
  CAS-BOT-BC101308  Corethrogyne filaginifolia Wesley Griesel 1962-9-18 744 Riverside Dark Canyon, San Jacinto Mts. 1920 Comment
  POM230198  Corethrogyne filaginifolia I. W. Clokey, E. G. Anderson 1933-8-21 6962 Riverside N Fork San Jacinto River. 1500 Comment
  SD229082  Corethrogyne filaginifolia Dick Schwenkmeyer 2011-8-25 656 Riverside Thomas Mountain, Tool Box Springs Campground 1857 Comment
  UCR104961  Cortaderia jubata A. C. Sanders 1997-3-19 20038 Riverside Lake Skinner area, Lake Skinner, NW shore near inlet, SW foot of Bachelor Mtn 445 Comment
  UCR22105  Cotula australis Steve Boyd 1980-5-28 304 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 625 Comment
  UCR281252  Crassula aquatica Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 34 Riverside Perris-Aguanga Basin, Menifee, SE corner of Musick Rd. and Murrieta Rd. 454 Comment
  GMDRC6925  Crassula connata J. M. Andre 2015-3-2 31357 Riverside along Kolbe Rd (dirt), northwest end of Coachella Valley at foot of Little SnBr Mtns, 0.2 mi. west of intersection between Hwy 62 and Indian Avenue (road to Desert Hot Springs), 2.3 mi. south of San Bernardino county line. 529 Comment
  RSA0104911  Crassula connata Duncan S. Bell, Rachel Darney-Lane, Evan Meyer 2015-2-24 7752 Riverside Morongo Canyon Preserve; collecting in Little Morongo Canyon, just below (south of) the San Bernardino/Riverside county border. 563 Comment
  RSA681896  Crassula connata Scott D. White 2001-3-13 8164 Riverside Perris / Elsinore Basin: Menifee / Sun City area. Valleys and slopes east of Canyon Lake and west of Goetz Rd. 442 Comment
  RSA757637  Crassula connata LeRoy Gross, Jackie McConnaughy, Andrew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4317 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon., Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  UCR183023  Crassula connata Mitch Provance 2001-4-21 2976 D Riverside San Bernardino Valley, Sunnyslope, west side of Sierra Blvd., along sidewalk adjacent to the golf course 335 Comment
  UCR196894  Crassula connata A. C. Sanders, T. B. Salvato 2008-2-19 34425 Riverside San Bernardino Valley Region, Riverside, vacant lot at NW corner of the intersection of Chicago Ave. and M. Luther King (ex Pennsylvania) Ave. 296 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
  JOTR30082  Croton californicus La Doux, Tasha, Bill Truesdell 2006-10-3 1721 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  RSA0034095  Croton californicus Duncan S. Bell 2013-1-30 4455 Riverside The Mecca Hills; collecting beside the Coachella Canal and the powerlines at the base of the mountains in narrow desiccating depressions where winter rains had collected. 23 Comment
  RSA770424  Croton californicus Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4874 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
  RSA303502  Croton californicus var. mohavensis J. R. Shevock 1972-3-13 1402 Riverside Hwy 111, near Palm Springs 183 Comment
  UCR153A  Croton setiger Eugene Cardiff 1950-5-11 s.n. Riverside San Bernardino Valley Region, Jurupa Hills 335 Comment
  CAS-BOT-BC189261  Cryptantha C. Cowan 1978-4-25 1264 Riverside 0.4 mile off Highway 74 on Morris Ranch Road, 4.3 miles N on Highway 74 from its junction with Highway 371, San Bernardino NF, Whittaker transect #W 227 Comment
  UCR169389  Cryptantha T. B. Salvato, John F. Green 2004-5-27 612 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
  POM3858  Cryptantha angustifolia H. M. Hall 1905-4-27 5922 Riverside Bottom land near Colorado river. 76 Comment
  RSA278973  Cryptantha angustifolia B. A. Prigge, L. Martinez 1978-3-23 2422 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads. 335 Comment
  UCR148856  Cryptantha angustifolia S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 20 Comment
  UCR224997  Cryptantha angustifolia Dave Silverman, A. C. Sanders 2010-3-23 7818 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, dunes at SSE tip of Palen Lake, 1.5 km SW of Palen Dunes Dr., 3.2 km N of I-10 and 8 km ESE of Sidewinder Well 130 Comment
  SDSU18705  Cryptantha barbigera var. fergusoniae Kristen Hasenstab, M. G. Simpson 2008-4-2 64 Riverside Joshua Tree National Park. Southwest Hidden Valley, 200 ft east of the Hidden Valley nature Loop Trail . Located under scrub-oak and Coleogyne ramosissima. 1321 Comment
  UC1929957  Cryptantha barbigera var. fergusoniae Scott D. White, Justin Wood 2008-6-16 12144 Riverside San Jacinto Mountains: Meadow at Quinn Flat. Comment
  UCR260836  Cryptantha barbigera var. fergusoniae A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41517 Riverside San Gorgonio Pass, 2.5 miles ESE of Cabazon, north of the San Gorgonio River wash on the alluvial slope east of the water bottling plant and Elm St. 463 Comment
  UCR276655  Cryptantha barbigera var. fergusoniae Jim Andre 2015-3-6 33550 Riverside Coachella Valley, along Snow Canyon oad, just south of Hwy 111 362 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
  RSA787696  Cryptantha costata Duncan S. Bell 2012-4-5 3308 Riverside Palen sand dunes on the southwest side of the Palen mountains at the south end of Palen Valley and the northwestern part of Chuckwalla Valley. Approx. 6.75 air miles directly north of Hell. 141 Comment
  RSA550036  Cryptantha intermedia W. Wisura, A. King, L. Newcomb 1992-4-10 4671 Riverside Low Desert: Whitewater Road N of I10 Comment
  SD255670  Cryptantha intermedia Mitch Provance 2012-5-24 512 4 Riverside San Bernardino Mountains: Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson Street (Beaumont 7.5'Q) 868 Comment
  UC79456  Cryptantha intermedia C. R. Orcutt 1890-7-20 Riverside Hemet Valley Comment
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Mar 24 2011
  UCD119854  Cryptantha intermedia Gordon Pilone 1961-3-1 95 Riverside White Water Canyon, one-half mile below fish hatchery in San Bernardino Mountain Range. 457 Comment
  UCR111995  Cryptantha intermedia A. C. Sanders, T. B. Salvato 2000-5-25 23431 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR113227  Cryptantha intermedia A. C. Sanders 1998-1-15 21635 Riverside Lake Skinner area, rocky knob (2527 ft.) along dirt road toward Crown Valley, NE of Black Mtn. 762 Comment
  UCR214328  Cryptantha intermedia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38389 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  UCR231803  Cryptantha intermedia Brent Barnes, A. C. Sanders, Giles Waines, UCR Plant Taxonomy Class 2007-5-12 09 Riverside Peninsular Range; San Jacinto Mtns., dirt forest service road north of Poppet Flats, west of Hwy 243 1253 Comment
  UCR59504  Cryptantha intermedia Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3241 Riverside Peninsular Range, Vail Lake area, sandy valley at NE end of lake, north of Wilson Creek 488 Comment
  SEINET10456281  Cryptantha intermedia Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-15 Conrad 7144 Riverside Scattered Yellow Pine at margin of large valley, 5.9 mi SE of jct of Idlewild Road & Hwy 74 on 74. 1341 Comment
  SEINET6971906  Cryptantha intermedia W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris at base of Gavilan Hills. Comment
  RSA0075625  Cryptantha intermedia var. johnstonii Michael Honer, L. Hulse 2005-3-7 2034 Riverside Little San Bernardino Mountains region: Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs. 488 Comment
  POM126312  Cryptantha maritima T. Craig 1927-4-2 13 Riverside Hidden Springs Canyon. Comment
  POM48530  Cryptantha maritima F. M. Reed 1925-3-17 4936 Riverside Tahquitz Canyon - Palm Springs. Comment
  UC1186499  Cryptantha maritima Peter M. Ray 1949-3-5 1319 Riverside near 1000 Palms; Coachella Valley, Willis Palms Comment
  UCR148863  Cryptantha maritima S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 20 Comment
  UCR214165  Cryptantha maritima T. B. Salvato 2010-4-20 4067 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  UCR214429  Cryptantha maritima A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37496 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
  RSA0080319  Cryptantha micrantha Sarah J. De Groot, Cheryl Sevilla 2015-2-24 s.n. Riverside Sand dunes along Blythe-Rice (Midland) Road, Rice Valley, south of Turtle Mountains, east of Arica Mountains, 1.9 miles south of Highway 62 and Rice. 234 Comment
  UC1063822  Cryptantha micrantha H. S. Yates 1937-3-23 6394 Riverside 2 mi n Palm Springs; San Jacinto Quad. 213 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
  RSA594773B  Cryptantha microstachys D. L. Banks, Dylan Hannon 1996-5-3 0967 C Riverside Agua Tibia Mountains; Foothills S of Hwy. 79, E of the Dripping Spring Campground, approximately 150 m SE of the Helipad at the upper camp sites., 33 deg 27' 46''N, 116 deg 57' 56'' W 524 Comment
  UCR58497  Cryptantha microstachys Jeri Hirshberg 1989-5-2 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., Santa Rosa Plateau, south of town of Murrieta, SW of Mesa de Burro 610 Comment
  UCR262451  Cryptantha muricata John F. Green 2015-6-23 615- 05 Riverside Peninsular Range; San Jacinto Mtns. Region, Anza Valley, east edge of town of Anza, vacant lot at NE side of intersection of Hwy 371 and west end of Burnt Valley Rd. 1226 Comment
  UCR41309  Cryptantha muricata N. M. Fellows 1984-3-20 6 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
  SBBG53352  Cryptantha muricata var. jonesii J. Zabriskie 1975-3-26 Riverside Santa Rosa Mtns Comment
  RSA0104500  Cryptantha muricata var. muricata Duncan S. Bell 2015-9-30 8656 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  JOTR33723  Cryptantha nevadensis var. nevadensis La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2724 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy pediment/bajada surrounding granitic ourcrops near Stirrup Tank parking lot (Stop 1) Comment
  UCR52069  Cryptantha oxygona D. C. Hawks 1988-3-27 s.n. Riverside between Aguanga and Anza, southeast of intersection of Dove and Sycamore Streets, south of Hwy 371. Tule Creek drainage, 1.75 mi airline northeast of Aguanga 762 Comment
  RSA0078922  Cryptantha pterocarya var. pterocarya Scott D. White 2001-4-12 8299 Riverside Colorado Desert: Shaver s Valley. South of the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. 320 Comment
  RSA0041943  Cryptantha racemosa Duncan S. Bell, Loraine Washburn 2014-4-10 6592 Riverside Orocopia Mountains; northeastern section of range; approximately 4 air miles southeast of Hayfields Lake. 559 Comment
  CAS-BOT-BC68028  Cryptogramma acrostichoides J. Ewan 1930-9-1 2165 Riverside Summit of Mt. San Jacinto 3293 Comment
  POM11166B  Cryptogramma acrostichoides Anstruther Davidson 1896-7-11 s.n. Riverside Top of San Jacinto Peak Comment
  UCR116778  Cucurbita foetidissima A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24169 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  RSA336183  Cucurbita palmata R. F. Thorne, W. Wisura, A. Shmida, R. Whittaker 1978-4-23 52048 Riverside Just E of Palm Desert. Comment
  UC68691  Cucurbita palmata H. M. Hall Apr., 1905 5820 Riverside Indio Mt. Colorado Desert, Indio Mt. 152 Comment
  UCR272458  Cuscuta californica var. papillosa Mitch Provance 2012-8-1 712- 05 Riverside Colorado Desert, Thousand Palms Canyon Road, +- 2/3 of the way up into the canyon. 140 Comment
  SD146296  Cuscuta campestris A. C. Sanders, D. Bramlet, Mihai Costea, T. Salvato 1999-10-15 23171 Riverside San Jacinto Valley; Mystic Lake, 1.4 miles southeast of Jackrabbit Trail on Gilman Springs Road. 433 Comment
  UCR84979  Cycloloma atriplicifolium A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16225 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  RSA0056192  Cylindropuntia californica Marc A. Baker 2013-5-25 17746 Riverside San Gorgonio Pass, 9.5km east of Banning, 1.2km NE of Cabazon. 570 Comment
  UCR94641  Cylindropuntia californica var. californica Scott D. White 1996-5-27 4078 Riverside Badlands, Jackrabbit Canyon, east of Moreno Valley and south of Calimesa, between Hwy 60 and Gilman Springs Road. 610 Comment
  CAS-BOT-BC56146  Cylindropuntia californica var. parkeri Carl B. Wolf 1939-2-24 9491 Riverside Field redacted by CAS, contact the data manager for more information 762 Comment
  RSA0120485  Cylindropuntia chuckwallensis Duncan S. Bell, Thomas Stoughton 2016-3-17 8963 Riverside Orocopia Mountains; east side of the range; collecting in rocky hills to the west of Red Cloud Wash. 531 Comment
  UCR249652  Cylindropuntia munzii A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40509 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south of the Chuckwalla Mtns., along Bradshaw Trail 1 km SE of Augustine Rd. junction, large wash on SW side of road 695 Comment
  RSA563930  Cynanchum louiseae A. C. Sanders 1985-9-5 5951 Riverside Riverside UCR Botanic Garden 400 Comment
  UCR92608  Cynodon dactylon Scott D. White, M. A. Patten 1995-8-16 3559 Riverside San Jacinto Valley, Just west of Hemet, valley floor and foothills at SE margain of Lakeview Mts. north of Florida Ave. (SR 74) and west of California Avenue 500 Comment
  RSA703631  Cyperus niger Scott D. White, Angelia Carey 2004-9-16 10759 Riverside Indian Creek watershed, above confluence w/ San Jacinto River. Former homestead area with persisting pond (cattle pond?) & adj. wetlands and seep. 579 Comment
  JEPS35182  Cystopteris fragilis Carl V. Meyer 1928-7-26 535 Riverside Deer Springs; San Jacinto Mt. 2651 Comment
  POM48372  Cystopteris fragilis P. A. Munz, I. M. Johnston 1924-7-27 8776 Riverside along stream, Dark Canyon, San Jacinto Mountains. 2072 Comment
  RSA48327  Dalea mollis E. K. Balls 1949-4-4 12961 Riverside Hollows between Durmid and Salton sea on Hwy 111. -30 Comment
  RSA781611  Dalea mollis Duncan S. Bell 2011-12-30 3037 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  SD216480  Dalea mollis Carol R. Annable 1995-3-9 2259 Riverside Circa 13 kilometers north of Rancho Mirage. BLM land behind A-1 Cement. Comment
  SEINET958537  Dalea mollis Unknown 2005-1 5757 Riverside NE riverside Co., Rice Vallet, SE of Danby Dry Lake, S. of Highway 62, along Midland (Blythe-Rice) Road, S. of rail road crossing. 234 Comment
  UCR34324  Dalea mollis P. Shaw, Jeanine Derby 1984-2-6 s.n. Riverside Sonoran (Colorado) Desert, 10 mi. NW of Blythe along the Midland Road Comment
  CLARK-A1528-470  Dalea mollissima Rodney Hendrick 1965-3-14 Riverside Box Canyon 182-274 Comment
  CLARK-A1528-5674  Dalea mollissima John C. Roos 1937-4-24 764 Riverside Sheep Hole Mountains Comment
  UC68519  Dalea mollissima H. M. Hall Apr., 1905 5792 Riverside Colorado Desert 30 Comment
  RSA273281  Datura wrightii Glenn A. Gorelick 1966-8-13 s.n. Riverside Growing in dry sandy soil along dry creek bed, Rubidoux. Comment
  RSA773039  Datura wrightii Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5043 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 732 Comment
  UCSB41771  Datura wrightii Ley, George 1971-4-8 Riverside 1/2 mi into S. Palm Canyon, Palm Springs, past Indian Wells turn off, on outer edges of golf course by roadside. 213 Comment
  RSA0020085  Datura wrightii H. de Forest 1924-4-15 s.n. Riverside Tahquitz canyon. Comment
  POM265809  Daucus pusillus J. C. Roos 1937-5-2 1399 Riverside La Sierra, western Riverside. [Collection is Jack Frost Lake. aka Frost Reservoir, apparently a part of La Sierra [Loma Linda University Campus] ca. 1937 south of Indiana Avenue and west of Sayward Circle, near Pierce., Owned by city of Riverside ca. 2000 Comment
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May 21 2009
  CAS-BOT-BC299322  Deinandra fasciculata Palmer Stockwell 1935-5-12 1221 Riverside 2.5 mi. N. of Elsinore Comment
  CAS-BOT-BC131035  Deinandra paniculata Mrs. J. D. Abrams 1901-5-20 s.n. Riverside Elsinore Comment
  CAS-BOT-BC292008  Deinandra paniculata A. C. Sanders 2004-7-1 28373 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, ca. 1.5 mile WNW of the Menifee-Antelope Community Hall, 5 miles due south of Sun City 476 Comment
  SEINET6051330  Deinandra paniculata Robert Allen, Allen, Linnel 2008-7-27 Riverside Santa Ana Mountains. South Main Divide Road, 4.7 road mi SE of junction with Ortega Hwy (SR74). Just south of the gated entrances to Rancho Capistrano Housing Developments. Comment
  UC69879  Deinandra paniculata C. M. Wilder 1905-7-25 127 Riverside Jurupa Hills Comment
  UCSB2018  Delphinium parishii subsp. parishii Hawkins, L. 1956-4-14 Riverside on high side above White Water Canyon Comment
  PASA2532  Delphinium parryi 1922-5-18 Riverside Road south of Lake Elsinore 377 Comment
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Jun 24 2016
  RSA13191  Delphinium parryi E. R. Johnson 1935-5-5 6759 Riverside Gavilan Hills, Cajalco District. North Side of Carob Ranch. Comment
  RSA50296  Delphinium parryi E. K. Balls 1949-5-4 13478 Riverside Cajalco Road, road to Lake Mathews, Gavilan Hills. 2 miles from Corona to Elsinore Highway. Comment
  RSA69414  Delphinium parryi F. W. Peirson 1929-5-4 8337 Riverside Mostly about bushes on low hill about 2 miles south of summit of St. Johns Grade south of Hemet. 701 Comment
  UCR92211  Delphinium parryi D. L. Banks, Steve Boyd 1995-5-3 0193 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
  RSA0020472  Delphinium parryi subsp. parryi P. A. Munz, Street, Williams 1919-3-28 2369 Riverside San Gorgonio Pass, near Banning 701 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
  UCR140906  Delphinium parryi subsp. parryi Virginia Moran 2003-5-23 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), east of Sage Road and south of Wilson Valley Road 700 Comment
  RSA552752  Delphinium patens subsp. hepaticoideum Steve Boyd 1992-3-21 6738 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area, Tenaja Canyon. along trail from wilderness boundary downstream towards Fisherman's Camp. 366 Comment
  CLARK-A1656-638  Dendromecon rigida Iris Fleming 1978-4-30 Riverside Cabazon 609 Comment
  RSA311  Dendromecon rigida subsp. rigida J. T. Howell 1928-7-7 1035 Riverside Santa Ana Mts. above Glen Ivy. 610 Comment
  RSA86763  Deschampsia danthonioides var. gracilis F. W. Peirson 1922-5-19 3022 Riverside 10 miles northeast of Murrieta. Comment
  RSA740250  Descurainia obtusa subsp. adenophora Scott D. White, Justin M. Wood 2008-6-18 12201 Riverside Hiking trail from K flat to Apple Canyon Rd. 1341 Comment
  RSA775098  Descurainia pinnata Duncan S. Bell, Michael Hee 2011-3-18 2055 Riverside Chuckwalla Mountains; north side of mountain range approximately 3 air miles southeast of Desert Center. 392 Comment
  UCR264604  Descurainia pinnata Mitch Provance 2012-6-19 196- 11 Riverside San Bernardino Valley, Santa Ana River Bottom, Tequesquite Creek and associated wetlands W of Rubidoux Ave 226 Comment
  JOTR33724  Descurainia pinnata subsp. glabra La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2725 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy pediment/bajada surrounding granitic outcrops near Stirrup Tank parking lot (Stop 1) Comment
  JOTR37745  Descurainia pinnata subsp. glabra Hodges, Stephen R., Aliya Ingersoll 2016-2-24 659 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Upper Long Canyon Comment
  UC455326  Dicentra chrysantha I. J. Condit 1910-6-24 Riverside road to Idyllwild; San Jacinto Mts. Comment
  UCR281800  Dicentra chrysantha Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-24 517- 127 Riverside Menifee Valley, Menifee, S. side of Bundy Canyon Rd., vicinity of 'Moss Road'. 527 Comment
  UCR140723  Dichelostemma capitatum A. C. Sanders 2004-5-12 27878 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  UCR2641  Digitaria sanguinalis F. M. Reed 1904-8-23 644 Riverside South Coast; San Bernardino Valley, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 305 Comment
  UCR111547  Dimorphotheca sinuata Mitch Provance 1999-5-4 1697 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  CAS-BOT-BC150878  Diplacus X australis Ynez Whilton Winblad 1941-5-27 s.n. Riverside San Juan Mts., San Juan Canyon, Highway 74 609 Comment
  CAS-BOT-BC152911  Diplacus brevipes Cecil Hart 1922-5-21 15 Riverside San Jacinto Pk. Comment
  RSA0018432  Diplacus longiflorus var. calycinus R. S. Woglum 1937-5-22 533 Riverside Anza, Cahuilla Valley. Comment
  CHSC89875  Diplacus puniceus L. P. Janeway 2004-5-8 8066 Riverside Peninsular Ranges. Santa Ana Mountains, Los Alamos Canyon near mouth of Wildhorse Canyon, where Wildomar Road crosses the creek. On steep northwest-facing slope above the road, bottom of the canyon. 421 Comment
  SBBG119973  Diplacus puniceus A. C. Sanders with M. Misenhelter 2005-3-23 29260 Riverside E slope of Squaw Mtn, Avenida Escala just above Avenida Caleta, N of Tenaja Rd; Santa Rosa Plateau 701 Comment
  CHSC60201  Distichlis spicata J. Lund 1980-4-2 Riverside The corner of 66th. Ave and Fillmore are 3.0 miles east of Meca. 45 Comment
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May 29 2011
  UCR140724  Distichlis spicata A. C. Sanders 2004-5-12 27879 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  SFV6324  Ditaxis lanceolata T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 43 Riverside 5 miles north of Highway 111 on Highway 74. Growing adjacent to roadside. 100 Comment
  UC311627  Ditaxis lanceolata Theodore Labouchere April, 1915 204 Riverside near mouth of Chino Canyon; Colorado Desert, e. base San Jacinto Mt., not far from Palm Comment
  UCR75052  Ditaxis lanceolata A. C. Sanders, E. J. Lawlor 1992-4-4 12108 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCR72175  Ditaxis neomexicana Theo Glenn 1991-5-15 91- 36 Riverside Sonoran (Colorado) Desert, Little Maria Mountains, NW of Blythe 351 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
  JOTR33805  Ditaxis serrata var. californica La Doux, Tasha, B. Truesdell 2007-11-9 3303 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park, open bajada below mouth of Lost Palms Canyon (STOP 2) 601 Comment
  CSUSB520  Dithyrea californica K. W. Brown 1966-3-16 S. N. Riverside Highway 111, 8.4 miles northwest of Palm Springs 304 Comment
  RSA30866  Dithyrea californica I. L. Wiggins 1937-3-9 8765 Riverside Sand dunes 20 miles north of Indio. Comment
  RSA781612  Dithyrea californica Duncan S. Bell 2011-12-30 3036 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  RSA228812  Dodecatheon clevelandii Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 597 Riverside Santa Rosa Plateau, ca. 5 mi. west of Murrieta near Forest Route 7S01. 549 Comment
  SEINET11973369  Dodecatheon clevelandii H. M. Hall 1902-1 2963 Riverside vicinity of Riverside, in the Sonoran Zone 366 Comment
  UCR19331  Dodecatheon clevelandii subsp. clevelandii Aleena M. Tarshis 1977-4-7 s.n. Riverside Riverside; Cajalco Rd., about 1 mile west of La Sierra Ave, Lake Mathews 457 Comment
  RSA593782  Draba cuneifolia Jeri Hirshberg 1995-5-19 278 Riverside San Jacinto Mountains, Garner Valley. Comment
  RSA708420  Draba verna Scott D. White, James Huelsman 2005-2-18 10787 Riverside Anza. Just East of Cary Rd. and N. of Hwy 371. 1143 Comment
  RSA0018442  Drymocallis lactea var. lactea J. D. Olmsted 1959-7-1 714 Riverside Wellman's Cienega between saddle and San Jacinto Peak along trail near stream crossing; 4.5 mi. NE of Idyllwild. San Jacinto Mountains, Willow-Tahquitz drainage area. 2805 Comment
  CAS-BOT-BC411414  Dudleya lanceolata Reid Moran 1946-5-25 2057 Riverside S slope of Box Springs Mountain 548 Comment
  RSA638856  Dudleya lanceolata Valerie L. Soza, LeRoy Gross 1999-6-10 508 Riverside Santa Ana Mountains: Upper side of Indian Truck Trail, 2.5 miles from junction with Main Divide Motorway. 975 Comment
  SD232223  Dudleya pulverulenta Scott D. White, Justin M. Wood 2009-5-22 12930 Riverside San Jacinto Mts: Old Control Road, below Halfway Spring. 793 Comment
  CAS-BOT-BC109649  Dudleya saxosa subsp. aloides D. W. Kyhos 1960-6-1 s.n. Riverside Bed of San Gorgonio River 2 miles north of Banning. Comment
  JEPS50041  Dudleya saxosa subsp. aloides Carl V. Meyer 1928-7-24 521 Riverside above Ildyllwild Falls (in canyon) 1828 Comment
  RSA397787  Dudleya saxosa subsp. aloides Ora M. Clark 1929-2-22 1548 Riverside N. Whitewater. Comment
  RSA771357  Dudleya saxosa subsp. aloides Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4450 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
  SBBG104170  Dudleya saxosa subsp. aloides E. R. Blakley 1993-5-20 7658 Riverside Pinto Mtns, E of White Tank Cmpgrd, Joshua Tree Nat Monument Comment
  SEINET3101914  Dudleya saxosa subsp. aloides Marc A. Baker, with Michelle Cloud-Hughes 2011-6-10 17358 Riverside along Morris Ranch Road, 400m north of Kenworthy Station, 4km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain Comment
  CAS-BOT-BC59756  Echinocereus engelmannii var. engelmannii L. R. Abrams 1926-3-27 11214 Riverside Field redacted by CAS, contact the data manager for more information Comment
  UCR170135  Echinocereus engelmannii var. engelmannii Jeffrey Ross, Sam Lau, Jenny Phui 1998-5-30 170 Riverside San Gorgonio Pass, Morongo Indian Reservation; Road between Millard and Lion Canyon (Deep Canyon Road?), below Deep Canyon 619 Comment
  UC1131542  Echinochloa crus-galli H. S. Yates 1937-6-27 6707 Riverside near Relief Hot Springs; San Jacinto Quad. Comment
  RSA65625  Elatine californica F. W. Peirson 1922-5-21 4109 Riverside Hemet Valley. [Hemet Valley = Garner Valley -SDW] 1338 Comment
  CAS-BOT-BC112920  Eleocharis macrostachya Earl W. Lathrop 1968-5-15 6875 Riverside 6 miles west of Murrieta, Mesa de Colorado of Santa Rosa Plateau. 624 Comment
  CAS-BOT-BC112922  Eleocharis macrostachya Mitch Provance 2005-5-17 6568 Riverside Warm Springs Valley: Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, 420 Comment
  RSA365450  Eleocharis montevidensis var. montevidensis Christopher Davidson 1977-5-25 5647 Riverside Mesa de Burro, Santa Rosa Plateau area 701 Comment
  RSA192144  Eleocharis palustris H. A. Zuill 1966-7-17 288 Riverside 7-8 miles SW of Murrieta. Comment
  SD122830  Eleocharis radicans Steve Boyd 1985-8-7 1108 Riverside Santa Rosa Plateau region, northwest base of Redonda Mesa on Tenaja Road, 0.8 miles east of junction with 8S01 and 8S02. Diminutive, but abundant sedge of wet mud of swale along road. Comment
  RSA179495  Elyhordeum macounii E. W. Lathrop 1960-6-7 4855 Riverside 14 miles west of Murrieta Comment
  SD187318  Elymus condensatus Scott D. White, Angelia Carey 2004-9-16 10749 Riverside San Jacinto Mountain foorhills: Along Poppet Creek northeast of San Jacinto River. 561 Comment
  UCR133109  Elymus elongatus John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  RSA559355  Elymus elymoides Steve Boyd, Timothy S. Ross 1992-5-15 7387 Riverside Southern Santa Ana Mountains, southeastern flank of Elsinore Peak at 'Onion Hill', a grassy knoll about 1/4 mile E of radio towers, along old Main Divide Road track 1021 Comment
  JOTR37442  Elymus elymoides subsp. elymoides Hodges, Stephen, T. Green 2016-5-24 564 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; along social trail ascending from Quail Springs parking lot towards Johnny Lang Canyon (Stop 1). Comment
  UC38217  Elymus elymoides subsp. elymoides H. M. Hall 1901-6-10 2065 Riverside San Jacinto Mountains; s side 1615 Comment
  UC38220  Elymus elymoides subsp. elymoides H. M. Hall June, 1901 2073 Riverside vicinity of Chalk Hill San Jacinto Mountains (s slopes) 1524 Comment
  RSA679220  Elymus glaucus var. glaucus Fred M. Roberts 2003-6-25 5914 Riverside Just NE of Falcon roup Camp, 2.1km ESE Los Pinos Peak just west of main road. 1009 Comment
  UCR192701  Elymus hispidus Naomi Fraga, V. Arvizu, Elizabeth Kempton, T. Thibault 2006-6-7 1692 Riverside San Jacinto Mountains, east of Fobes Ranch Road, just south of Fobes Ranch 1585 Comment
  UCR103785  Elymus triticoides Scott D. White 1994-10-21 2508 Riverside Temecula Valley, Murrieta Creek channel downstream from Santa Gertrudis Creek confluence. south of bridge at Winchester; north of Long Valley Rd. 305 Comment
  POM72898  Emmenanthe penduliflora Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA559344  Emmenanthe penduliflora Steve Boyd, Tim Ross 1992-5-15 7398 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
  SD4049  Emmenanthe penduliflora Edmund Jaeger 1925-5-2 Riverside Kyes water Canyon, Box Springs Mountains. 579 Comment
  UC1929975  Emmenanthe penduliflora Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10461 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
  UC2015541  Emmenanthe penduliflora A. C. Sanders with G. Helmkamp, P. MacKay, et al 1995-3-19 16155 Riverside Coachella Valley/San Jacinto Mtns. Foothills, alluvial fan of Chino Canyon along the Palm Springs tram road, N of the road 14 telephone poles above Highway 111 (Palm Canyon Dr.). Comment
  UCR103256  Emmenanthe penduliflora B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3568 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  UCR231806  Emmenanthe penduliflora Brent Barnes, A. C. Sanders, Giles Waines, UCR Plant Taxonomy Class 2007-5-12 06 Riverside Peninsular Range; San Jacinto Mtns., dirt forest service road north of Poppet Flats, west of Hwy 243 1253 Comment
  UCR260542  Emmenanthe penduliflora var. penduliflora T. B. Salvato 2014-5-29 8027 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Debon Street, c. 0.7 mi west of Murrieta Rd and 4.4 mi southeast of Canyon Lake 537 Comment
  SEINET273110  Encelia A. C. Sanders, N. Ferguson 1997-3-20 20066 Riverside March Air For Base ; West of highway 215 at west end of Cactus Avenue; vicinity of former weapons storage facility. 518 Comment
  CAS-BOT-BC131165  Encelia actoni H. M. Hall 1901-6-1 2007 Riverside San Jacinto Comment
  LA202445  Encelia farinosa T. A. Geissman; sn Riverside Joshua Tree National Monument, S entrance Comment
  RSA708067  Encelia farinosa Scott D. White, Angelia Carey 2004-4-16 10172 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
  RSA784750  Encelia farinosa Duncan S. Bell 2012-2-12 3094 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  RSA796096  Encelia farinosa Duncan S. Bell 2009-4-20 306 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  SBBG25003  Encelia farinosa D. Myrick 1966-4-1 1320 Riverside Linda Vista Lodge, Desert Hot Springs Comment
  UC1334659  Encelia farinosa Nancy Ryan Zabriskie 1969-4-1 173 Riverside near Palm Springs; Andreas Canyon 152 Comment
  UCR227183  Encelia farinosa Jim Andre 2011-2-9 15933 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  RSA515198  Encelia farinosa var. phenicodonta Steve Boyd, Orlando Mistretta 1986-3-13 1470 Riverside West side Palen Mts.: NE of Desert Center. Comment
  CAS-BOT-BC131423  Encelia frutescens H. M. Hall 1905-4-1 5859 Riverside Near Chuckawalla Springs Comment
  JOTR30983  Encelia virginensis La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1961 Riverside Joshua Tree National Park. (Stop 2) Hexie Mountains, east end of Blue Cut Gorge, toe slope with bouldery wash Comment
  JOTR32656  Ephedra californica La Doux, Tasha, M. Bell, A. Holt, A. Miller, K. Matthews 2007-5-23 1338 Riverside Joshua Tree National Park. where Queen Valley meets Pleasant Valley, just north of Malapai Hill; open bajada with pediments, near Geology Tour Road 1219 Comment
  POM119732  Ephedra californica Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  RSA650255  Ephedra californica Louis R. Klins 1949-2-6 s.n. Riverside Lazy B Ranch 10 mile[s] NE of Palm Springs California Comment
  SEINET3866930  Ephedra californica Howard C. Stutz 1979-12-31 8621 Riverside Palm Springs.; 0 Comment
  SFV17218  Ephedra californica J. W. Dole 1980-11-1 Riverside Snow Creek road, 1 mile from junction of Highway 111 and Interstate Highway 10. 360 Comment
  CAS-BOT-BC81682  Ephedra fasciculata James R. Shevock 1978-4-8 5780 Riverside along Calif. highway 195, [approximatley] approximately 3 miles from Interstate 10, west of Chiriaco Summit. Box Canyon 304 Comment
  CAS-BOT-BC81863  Ephedra trifurca Carl B. Wolf 1932-4-29 3123 Riverside Eastern Colorado Desert, 3 mi. So. of Rice on Blythe Road 213 Comment
  JEPS20725  Ephedra trifurca Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13265 Riverside 2.1 mi s of Rice (on road to Midland and Blythe) Comment
  SBBG51413  Ephedra viridis W. Zabriskie 1974-3-27 161 Riverside S of jct with North Cyn, Andreas Cyn Comment
  UCR94959  Epilobium brachycarpum Scott D. White 1996-9-22 s.n. Riverside Perris Basin, Perris: Nuevo Road near intersection with Wilson Ave., west of the San Jacinto River crossing. 436 Comment
  RSA72096  Epilobium canum subsp. latifolium F. W. Peirson 1922-12-27 336 Riverside Andreas Canyon, near Palm Springs. Comment
  UCR5604  Epilobium canum subsp. latifolium Frank C. Vasek 1966-9-5 660905- 03 Riverside San Jacinto Mtns., 1 mile north of Mountain Center toward Idyllwild 1445 Comment
  UCR3530  Epilobium ciliatum Frank C. Vasek 1964-6-24 640624- 01 Riverside City of Riverside, University of California Riverside campus. Life Science greenhouse. 335 Comment
  UC69570  Epilobium densiflorum Geo. F. Reinhardt June, 1897 Riverside San Jacinto Mts. Comment
  POM15057  Epilobium glaberrimum subsp. glaberrimum Mary F. Spencer 1922-6-27 1238 Riverside Dutch Flat, San Jacinto Mountains. Comment
  RSA162773  Epilobium glaberrimum subsp. glaberrimum J. D. Olmsted 1959-7-3 s.n. Riverside Strawberry Cr. below dropoff below Isomata belowIdyllwild. Alt: 4700 ft. 1433 Comment
  RSA162774  Epilobium oregonense J. D. Olmsted 1959-7-1 713 Riverside Wellman s Cienega along San Jacinto Pk. trail from Fern Valley NE of Idyllwild. Comment
Read comments
Jun 21 2008
  UC20089  Epilobium oregonense H. M. Hall July, 1901 2357 Riverside Tauquitz Valley San Jacinto Mts 2438 Comment
  RSA525703  Equisetum laevigatum Steve Boyd, Timothy S. Ross 1990-5-11 4641 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  UCR126986  Eragrostis A. C. Sanders, Guy Bruyea 2003-6-12 26895 Riverside Perris-Aguanga Basin Region, Winchester, SE side of town between Simpson Ave. and Olive Ave., east of Hwy 79/Winchester Rd. 450 Comment
  JOTR29223  Eragrostis cilianensis La Doux, Tasha, Mike Bell 2005-9-15 1336 Riverside Joshua Tree National Park. Near Hidden Valley campground Comment
  UCR278869  Eragrostis mexicana Mitch Provance 2012-11-10 17607 Riverside San Bernardino Valley, Riverside, Springbrook Creek (remnant) Fairmont Park, between the east side of Lake Evans and the west side of Market St. 245 Comment
  RSA0105846  Eragrostis mexicana subsp. virescens Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  RSA129655  Eragrostis minor H. S. Yates 1937-6-28 21089 Riverside Palm Springs. 137 Comment
  UCR166193  Eremalche exilis Nathan Moorhatch, John F. Green, Ted Rado 2005-4-19 s.n. Riverside Sonoran (Colorado) Desert, Desert Hot Springs, Desert Dunes Golf Course (SW corner) just east of Palm Ave. Approximately 0.5 miles north-east of Seven Palms Ranch 226 Comment
  CHSC1041  Eremalche rotundifolia V. Holt 1935-4-16 Riverside E. Colorado Desert. Comment
  UC634840  Eremalche rotundifolia H. L. Mason 1928-3-10 4201 Riverside Hidden Springs Canyon Coachella Mts., Hidden Springs Canyon Comment
  SBBG28432  Eremocarya lepida D. Myrick 1964-4-30 825 Riverside Pines to Palms Hwy 74, 15 mi W of Palm Desert 1219 Comment
  RSA0043061  Eremothera refracta Jim Andre 2014-1-27 26664 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  CAS-BOT-BC187927  Eriastrum densifolium subsp. austromontanum Kerry Knudsen; Petra Wester 2004-5-8 9001 Riverside Along Highway 74 on the Santa Rosa Mountain Grade, ca. 0.8-0.5 mile NE of Black Hills 853 Comment
  CLARK-A1528-3489  Eriastrum densifolium subsp. austromontanum John C. Roos 1943-5-23 2660 Riverside Little San Bernardino Mountains Comment
  RSA0110546  Eriastrum densifolium subsp. elongatum Mark Brunell 1993-7-9 124 Riverside Arroyo Seco Creek, Adjacent to Dripping Springs Public Campground road, ca. 500 m south of terminal loop of campground road, along east side bank of creek. 488 Comment
  CLARK-A1528-702  Eriastrum eremicum C. M. Flanagan 1973-5-12 OO 41 Riverside San Jacinto Mountains 853 Comment
  UCR202210  Eriastrum eremicum Peter L. Morrell, D. E. Krause 1995-5-1 460 Riverside Sonoran (Colorado) Desert, Coachella Valley, NW corner of Baristo Rd. and El Cielo Rd., near cargo entrance to Palm Springs Municipal Airport 123 Comment
  RSA0120097  Eriastrum eremicum subsp. eremicum Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10506 Riverside West side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains. Comment
  SD128331  Eriastrum eremicum subsp. eremicum R. Mitchel Beauchamp 1971-5-16 2427 Riverside Ribbonwood, north side of Santa Rosa Mountains. 1175 Comment
  RSA0120072  Eriastrum eremicum subsp. eremicum P. A. Munz, R. D. Harwood 1920-4-4 3526 Riverside Pass south of Palm Springs. 152 Comment
  RSA0120102  Eriastrum eremicum subsp. eremicum Verne Grant, Alva Grant 1953-5-15 18460 Riverside Open desert plains, near Palm Srpings Rwy Station 122 Comment
  UCD118281  Eriastrum filifolium K. Esau 1935-6-15 s.n. Riverside Riverside. Comment
  UC449833  Eriastrum sapphirinum I. J. Condit May 1926 Riverside Rubidoux Comment
  UCR35053  Eriastrum sapphirinum L. B. Ziegler 1964-8-30 23 Riverside San Jacinto Mtns., Hemet (Garner) Valley, Thomas Mtn. subdivision 1402 Comment
  RSA0121573  Eriastrum sapphirinum subsp. dasyanthum J. B. Feudge 1924-5-20 898 Riverside Cabazon, Colorado Desert 542 Comment
  RSA0121567  Eriastrum sapphirinum subsp. dasyanthum Elbert Benjamine 1929-5-18 235 Riverside Mt. San Jacinto. 1220 Comment
  SD119909  Eriastrum sapphirinum subsp. sapphirinum Louis B. Ziegler 1972-9-5 492 Riverside Hemet Valley. 1402 Comment
  RSA592678  Ericameria cuneata Scott D. White 1996-7-2 4255 Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  JEPS31355  Ericameria linearifolia W. L. Jepson 1901-5-20 1330 Riverside Thomas Valley Mt. San Jacinto Range, Thomas Valley Comment
  RSA239812  Ericameria linearifolia C. W. Tilforth 1973-4-29 780 Riverside Along Hwy 74 between Alpine Village & Paradise Valley , 1 miles E of jct with Santa Rosa Mtns, fire road. Comment
  CHSC118898  Ericameria linearifolia Mike Lahti 2012-5-10 Riverside Ramsey Road, one miole east of Terwilliger Road, six mile south of Anza. Chaparral. Comment
  RSA0008410  Ericameria palmeri var. pachylepis A. C. Sanders 1997-11-25 21625 Riverside Skinner/Domenigoni region, S of Hemet Eastside (Diamond Valley) Reservoir, Nicholson Ranch site, just below water line of reservoir under construction, E end of S side of Diamond Valley, ca. 2/3 of the way from W dam to E dam 503 Comment
  RSA638866  Ericameria palmeri var. pachylepis Scott D. White 1998-10-9 7174 Riverside Corona, near Bedford Canyon: Joseph Canyon wash near a disused quarry. Site adjacent to housing tracts now under construction and proposed for same. 335 Comment
  SFV13134  Ericameria parishii var. parishii M. J. Thor 1982-9-18 155 Riverside San Jacinto Mountains Idyllwild. Saunders Meadow Road, 0.25 miles from State Highway 243. 1524 Comment
  UC1329851  Ericameria teretifolia James E. Cole 1941-10-20 929 Riverside Optimist Mine Road Joshua Tree National Monument, Lost Horse Valley 1310 Comment
  UCR160054  Erigeron breweri Steve Boyd, Valerie Soza 2004-6-22 11538 Riverside Peninsular Ranges; San Jacinto Mountains region, Western flank of the range in Hall Canyon, at the south end of Lake Fulmor, just north of Hwy 243. 1646 Comment
  POM357459  Erigeron foliosus Norman C. Cooper 1949-6-29 4302 Riverside East side of San Jacinto Mountains 1524 Comment
  UCR179208  Erigeron foliosus Mitch Provance, Tracy Tennant 1998-6-16 MOR- 382 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon just south of Millard Guard Station 1037 Comment
  CLARK-A1703-80  Eriodictyon crassifolium Sherri Stange 1980-5-31 Riverside Hemet 518 Comment
  LA205565  Eriodictyon crassifolium Elizabeth McClintock; 1940-4-23 sn Riverside San Jacinto Mountains, Idyllwild Grade Comment
  RSA455019  Eriodictyon crassifolium Louis C. Wheeler 1933-12-2 2308 Riverside Mouth Tahquitz Canyon near Palm Springs. 145 Comment
  RSA0056443  Eriodictyon crassifolium var. crassifolium Norman C. Cooper 1944-5-6 1170 Riverside Banning. 701 Comment
  CAS-BOT-BC222694  Eriodictyon trichocalyx A. C. Sanders; J. Goetzen 1996-5-1 18124 Riverside San Bernardino Mtns.: Morongo Indian Reservation, along dirt road in Hathaway Crk. Cyn., N of Banning 915 Comment
  RSA777288  Eriodictyon trichocalyx var. trichocalyx Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4547 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  UC1980061  Eriodictyon trichocalyx var. trichocalyx LeRoy Gross, Jackie McConnaughy, Drew monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4299 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. Comment
  POM254741  Eriogonum apiculatum P. A. Munz 1938-8-13 15333 Riverside Near Santa Rosa Peak 2317 Comment
  SBBG61839  Eriogonum apiculatum R. Hoffmann 1929-9-10 Riverside Tahquitz Pk 2438 Comment
  UC412786  Eriogonum apiculatum F. M. Reed 1908-7-14 2487 Riverside summit of Tahquitz pass San Jacinto Mts. 2438 Comment
Read comments
May 1 2011
  RSA797605  Eriogonum davidsonii Robert F. Thorne, Walter Wisura 1977-9-17 50767 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  SD229216  Eriogonum davidsonii Dick Schwenkmeyer 2012-10-16 925 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 551 Comment
  UC56795  Eriogonum davidsonii H. M. Hall May 17 1901-Jun 1 1901 1860 Riverside eastern base San Jacinto Mt. San Jacinto Mt. 914 Comment
  RSA0018889  Eriogonum deflexum Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6025 Riverside Chuckwalla Valley; approximately 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well. 107 Comment
  UCR3379  Eriogonum deflexum John Minnich 1964-3-22 64-3-22- 12 Riverside Sonoran (Colorado) Desert, Mouth of Box Canyon, on State Hwy 195, E side of dam formed by Painted Canyon turnoff. 0 Comment
  GMDRC2587  Eriogonum fasciculatum subsp. flavoviride J. Andre, T. La Doux 2008-3-21 8829 Riverside Little San Bernardino Mountains: JTNP: Upper Cottonwood Cyn, approx 2 mi. S. of Cottonwood visitor's center.. Elev. 2890 ft. 881 Comment
  CAS-BOT-BC249897  Eriogonum fasciculatum var. flavoviride Carl B. Wolf 1932-10-12 4293 Riverside Colorado Desert. Little San Bernardino Mts. Pinyon Well 1219 Comment
  UC75787  Eriogonum fasciculatum var. foliolosum Miss M. A. King 1893-1 Riverside Menifee 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
  RSA561411  Eriogonum gracile var. gracile Steve Boyd, Tim S. Ross, Dave Bramlet 1992-9-9 7682 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
  UCR106914  Eriogonum gracile var. gracile D. L. Banks, Lauren Raz 1996-11-5 1181 Riverside NW Palomar Mtns., Agua Tibia Mountains, Pechanga Indian Reservation, SE of San Gabriel Church; along main road in the reservation, c. 0.2 mi. east of the church, across from the local cemetery. 378 Comment
  UCR69745  Eriogonum gracile var. gracile A. C. Sanders, Chet McGaugh 1991-7-19 11139 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
  UC1979861  Eriogonum gracile var. incultum LeRoy Gross, Elizabeth A. Kempton 2008-8-21 3572 Riverside Peninsular Ranges; San Jacinto Mountains region: Southern spur of Pine Meadow, southeast of Highway 371, northwest of Santa Rosa Summit. Survey north side of Highway 74. Comment
  CAS-BOT-BC257573  Eriogonum inflatum Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring 60 Comment
  JOTR16812  Eriogonum inflatum Vanderspek & Youse 1964-4-19 s.n. Riverside Joshua Tree National Park. WILSON CANYON 853 Comment
  RSA701167  Eriogonum inflatum Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11230 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  JOTR37441  Eriogonum maculatum Hodges, Stephen, T. Green 2016-5-24 563 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; along social trail ascending from Quail Springs parking lot towards Johnny Lang Canyon (Stop 1). Comment
  UCR177332  Eriogonum pusillum Scott D. White, Michael Honer 2003-5-13 9244 Riverside San Bernardino Mtns, Whitewater Canyon, c. 2 miles north of Bonnie Bell 640 Comment
  CLARK-A1528-3702  Eriogonum reniforme John C. Roos 1937-4-23 1818 Riverside Dry Morongo Canyon Comment
  RSA0107854  Eriogonum reniforme Duncan S. Bell, Amanda Turek 2009-3-30 162 Riverside Southeast section of the Arica Mountains; approximately 0.75 air mile west southwest of Priest Well. 332 Comment
  RSA424916  Eriogonum saxatile E. C. Jaeger 1922-6-30 s.n. Riverside Tahquitz Peak, San Jacinto Mountains. 2652 Comment
  UCR243512  Eriogonum saxatile Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21083 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, up side canyon approx. 400 m. west of main canyon drainage 1172 Comment
  CAS-BOT-BC263547  Eriogonum thomasii John Thomas Howell 1931-6-5 6653 Riverside 1 mile east of Whitewater Comment
  POM126311  Eriogonum thomasii Thos. Craig 1927-4-2 21 Riverside Hidden Springs Canyon; Colorado Desert. Comment
  RSA703412  Eriogonum thomasii LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda L. Worlow 2005-2-17 1459 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  SBBG28232  Eriogonum thomasii F. W. Peirson 1927-4-12 7171 Riverside Painted Cyn, near Mecca Comment
  SEINET3087249 Image available Eriogonum thomasii Norman C. Cooper 1949-4-8 3247 Riverside Mecca Pass east of Indio. Comment
  UC1349283  Eriogonum thomasii James Henrickson 1963-3-29 1174 Riverside along Hwy. 195 5 mi e Mecca 152 Comment
  UC310593  Eriogonum thomasii Philip A. Munz 1926-1-31 9971 Riverside Dos Palmos Spring Colorado Desert, Dos Palmos Spring Comment
  UCR87119  Eriogonum thomasii A. C. Sanders, P. J. MacKay, G. K. Helmkamp 1995-3-12 16034 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  RSA0009610  Eriogonum thomasii Marcus E. Jones 1903-5-8 s.n. Riverside Indio. -7 Comment
  UC1563138  Eriogonum thurberi Steve Boyd, Tim Ross, Laurel Arnseth 1989-6-4 3633 Riverside se Vail Lake (Temecula Creek, just n of Hwy 79); Vail Lake area, Temecula Creek 487 Comment
  UCR68865  Eriogonum thurberi Steve Boyd, T. S. Ross 1990-5-11 4703 A Riverside Vail Lake area, Cleveland National Forest, N flank and summit of Wild Horse Peak, Agua Tibia Mtns 999 Comment
  UCR259112  Eriogonum wrightii subsp. subscaposum John F. Emmel 1994-9-25 1356 Riverside Penonsular Range; San Jacinto Mountains, Black Mountain Scenic Area; along Pacific Crest Trail, on ridge NNE of Black Mountain 2226 Comment
  RSA785069  Eriogonum wrightii var. membranaceum Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 77 Riverside Belvedere road, turn from Hwy 74, uphill towards white rocks. Comment
  UCR139390  Eriogonum wrightii var. nodosum P. A. Munz 1932-10-16 12852 Riverside Santa Rosa Mountains, north base of mountains, road [from] Indio to Vandeventer Flat 610 Comment
  UCR14059  Eriogonum wrightii var. nodosum O. F. Clarke 1973-10-14 s.n. Riverside San Jacinto Mtns., 1 mi east of Pinyon Flats Campground in the San Jacinto Mtns. Comment
  UCR2827  Erioneuron pulchellum F. M. Reed 1927-1-5 5691 Riverside Sonoran (Colorado) Desert, Eagle Canyon, 5 miles east of Palm Springs, south of Cathedral City [= Cathedral Canyon?] 229 Comment
  SEINET8687228 Image available Eriophyllum ambiguum H. M. Hall 1905-4-14 5760 Riverside Near Palm Springs 150 Comment
  CAS-BOT-BC298483  Eriophyllum ambiguum var. paleaceum H. M. Hall 1905-4-1 5760 Riverside Near Palm Springs Comment
  RSA129769  Eriophyllum ambiguum var. paleaceum H. S. Yates 1937-3-24 6457 Riverside Deep Canyon, Thermal. 610 Comment
  CAS-BOT-BC297333  Eriophyllum confertiflorum A. C. Sanders 2006-5-19 32453 Riverside Hills between Murrieta and Menifee Valley, W of I-215, S of Bundy Cyn/Scott Rd and N of Clinton Keith Rd 518 Comment
  CAS-BOT-BC297354  Eriophyllum confertiflorum C. L. Hitchcock; C. V. Muhlick 1964-3-17 23106 Riverside 10 miles N of Pala, on road to Elsinore Comment
  CDA5248  Eriophyllum confertiflorum A. C. Browne 1952-5-13 Riverside Temecula. 0 Comment
Read comments
Mar 18 2014
  CLARK-A1528-207  Eriophyllum confertiflorum C. M. Flanagan 1973-5-20 OO 523 Riverside Morongo Indian Reservation 1158 Comment
  RSA124433  Eriophyllum confertiflorum Percy C. Everett 1958-5-4 23081 Riverside Morongo Pass, 7.6 mi. N along road to 29 Palms from U.S. Hwy 60/70. 671 Comment
  RSA125205  Eriophyllum confertiflorum E. K. Balls, Percy C. Everett 1957-8-20 22675 Riverside Hamilton Grade, along rd. from Palms to Pines Hwy. to Aguanga. Comment
  UCR104020  Eriophyllum confertiflorum George K. Helmkamp 1998-4-3 3088 Riverside Coachella Valley, Mission Creek, the Wildlands Conservancy Preserve, 1.1 mi. NW of the ranch house beside a gauging staion along the creek 747 Comment
  UCR154391  Eriophyllum confertiflorum A. C. Sanders, Mike Misenhelter 2005-6-15 30969 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
  UCR155326  Eriophyllum confertiflorum A. C. Sanders, Mike Misenhelter 2005-3-23 29258 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR177023  Eriophyllum confertiflorum Tracy Tennant 1998-6-18 s.n. Riverside San Jacinto Mtns., Bee Canyon, NE of Valle Vista 793 Comment
  CHSC89857  Eriophyllum confertiflorum var. confertiflorum L. P. Janeway 2004-5-8 8068 Riverside Peninsular Ranges. Santa Ana Mountains, Los Alamos Canyon near mouth of Wildhorse Canyon, where Wildomar Road crosses the creek. On steep northwest-facing slope above the road, bottom of the canyon. 421 Comment
  CAS-BOT-BC301796  Eriophyllum multicaule Marcus E. Jones 1882-4-25 3173 Riverside San Jacinto Comment
  UCR226059  Eriophyllum multicaule A. C. Sanders, Nathan Moorhatch 2011-3-22 38776 Riverside Peninsular Range, powerline corridor through hills 6.4 km SW of Perris, east of Hwy 74 and south of Ethanac Rd. 506 Comment
  UCR34871  Eriophyllum multicaule L. B. Ziegler 1969-4-25 348 Riverside San Jacinto Valley, hills on west side of valley in Coyote Pass area 518 Comment
  CLARK-A1656-678  Eriophyllum wallacei Lois Ann Scott 1978-4-8 Riverside San Gorgonio Pass 274 Comment
  OBI8199  Eriophyllum wallacei David J. Keil, Malcolm McLeod, Dirk Walters 1977-3-28 12078 -1 Riverside Joshua Tree Natl Monument, along Pinto Basin Rd 11 mi S of N park boundary Comment
  RSA651095  Eriophyllum wallacei Harold Lint 1958-5-25 2038 Riverside East of Pinyon flats campground. Pines to Palms Hwy [Hwy 74]. Comment
  UCR133961  Eriophyllum wallacei Mitch Provance, J. S. Ross 1998-3-27 MOR- 942 Riverside San Bernardino Mtns., Morongo Indian Reservation, road to Lion Cyn., c. 2.1 miles NE of Cabazon 549 Comment
  SD255763  Erodium botrys Mitch Provance 2012-5-24 512 1 Riverside San Bernardino Mountains: Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Ave. and Wilson St. 868 Comment
  RSA495825  Erodium brachycarpum Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2936 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA0018797  Erythranthe guttata N. C. Cooper 1944-5-21 1286 Riverside San Jacinto Mountains, West side 915 Comment
  RSA0022937  Eschscholzia androuxii Robert F. Thorne, Raymond Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55436 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  UCR281484  Eschscholzia caespitosa Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-4-4 417- 89 Riverside Gavilan Hills, SCE transmission route (projected) 0.6 miles NNW of Lake St. and Walker Canyon Rd. 152 Comment
  JEPS51796  Eschscholzia californica W. L. Jepson May 17 1901-Jun 1 1901 1319 Riverside Chalk Hill Mt. San Jacinto Comment
  RSA523479  Eschscholzia californica Steve Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3939 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  SEINET13710935  Eschscholzia californica S. W. Austin, S. W. Austin 1969-1 27 Riverside W Side of Mts, E of Rr Tracks & N of RaviNE North of Big Springs Rd, Above 2000 Ft 610 Comment
  RSA445668  Eschscholzia minutiflora M. B. Dunkle 1937-3-25 4917 Riverside Colorado Desert. Shaver's Well Comment
  RSA445670  Eschscholzia minutiflora P. J. Remple 1942-3-22 22 Riverside Dead Indian Creek near Palms to Pines Hwy. Comment
  UCR104015  Eschscholzia minutiflora George K. Helmkamp 1998-4-4 3133 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  RSA0022947  Eschscholzia minutiflora Mary F. Spencer 1920-3-24 248 Riverside Near Indio. Colorado Desert. 91 Comment
  CAS-BOT-BC419617  Eschscholzia parishii Javier Penalosa 1962-4-10 2772 Riverside Deep Canyon, 3 mi. south of Palm Desert 213 Comment
  CAS-BOT-BC419620  Eschscholzia parishii Ynez Whilton Winblad 1937-3-21 s.n. Riverside Box Canyon, Coachella Valley Comment
  CAS-BOT-BC419622  Eschscholzia parishii Ynez Whilton Winblad 1937-4-22 s.n. Riverside Box Canyon Comment
  CHSC100685  Eucalyptus A. C. Sanders; O. F. Clarke, A. M. Boyce, C. L. Sanders 1993-11-7 14220 Riverside Riverside, residential garden of Al M. Boyce, 266 Frost Court (E edge of UCR). 360 Comment
  RSA271438  Eucrypta chrysanthemifolia C. W. Tilforth 1978-4-30 1570 Riverside Low rounded hills east of Norco. Comment
  RSA612493  Eucrypta chrysanthemifolia D. L. Banks 1997-2-23 1324 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  SDSU12934  Eucrypta chrysanthemifolia Jutta Buschbom 1991-6-5 38 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  UCR121308  Eucrypta chrysanthemifolia A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25012 Riverside The Badlands, summit of Mt. Eden, SW of Beaumont 671 Comment
  POM184547  Eucrypta chrysanthemifolia var. bipinnatifida C. L. Hitchcock 1932-4-7 12200 Riverside Corn Springs, Eastern Riverside. Comment
  UCR91593  Eucrypta chrysanthemifolia var. chrysanthemifolia D. L. Banks, Steve Boyd 1995-4-5 159 Riverside Agua Tibia Mountains, Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn, east of the Dripping Springs Alcove, east of the Dripping Springs Trail, in the N flowing drainage that empties into Arroyo Seco. 549 Comment
  RSA78474  Eucrypta micrantha Verne Grant, Alva Grant 1952-3-20 17503 Riverside On road from Palm Springs to Santa Rosa Mountains a few miles south of intersection with Indio Road. 305 Comment
  SD247412  Euphorbia O. F. Clarke 2004-8-21 Riverside Peninsular Range: Riveside; UCR Botanic Garden (Riverside East 7.5'Q) 351 Comment
  UCR225450  Euphorbia albomarginata A. C. Sanders, T. B. Salvato 2011-3-28 38830 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, between Sun City and Perris, west end of McLaughlin Rd. near Byers Rd., along powerline corridor 442 Comment
  JOTR32620  Euphorbia eriantha La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 1020 Riverside Joshua Tree National Park. eastern edge of Cottonwood Mountains, near mouth of Cottonwood Canyon; east of Rte. 11, aprpox. 2.5 miles north of park boundary 711 Comment
  UC187061  Euphorbia eriantha S. B. and W. F. Parish Apr 1882 Riverside mountains back of Agua Caliente Colorado Desert (Andreas Canyon) Comment
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Jul 15 2009
  RSA339680  Euphorbia misera R. F. Thorne 1980-5-25 54154 Riverside S-facing and W-facing, N-S rocky ridge at E side of Whitewater River at mouth of canyon. ca. 1/4-1/2 mile E of Whitewater Post office; S-facing end of rocky ridge above old rad, due N o hwy to Indio. Comment
  RSA499150  Euphorbia palmeri C. Epling, Wm. Robison 1935-6-30 s.n Riverside San Jacinto Mountains: North Fork San Jacinto River. Comment
  SD129388  Euphorbia polycarpa Jon M. Stewart 1989-9-17 602 Riverside Coachella Valley, Pushawalla Canyon in the Indio Hills, in desert wash Comment
  UCR31670  Euphorbia polycarpa John C. Roos 1947-11-1 3755 Riverside Sonoran (Colorado) Desert, Eagle Mountains, edge of Lost Palms Wash Comment
  UCR33700  Euphorbia polycarpa var. hirtella Sears 1978-3-18 947 Riverside Sonoran (Colorado) Desert, 10 mi. SW of Desert Center, 8 mi. south of Interstate Hwy 10 on Red Cloud Mine Road, following mining railroad 457 Comment
  SD43539  Euphorbia setiloba Philip A. Munz 1946-10-20 11579 Riverside Palms to Pines Highway at north base of Santa Rosa Mountains 1039 Comment
  RSA561782  Euphorbia spathulata Steve Boyd 1992-4-14 6846 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail. 341 Comment
  UCR5432  Eustoma exaltatum O. F. Clarke 1966-9-22 660922- 02 Riverside Santa Ana River bottom near Riverside Sewage Plant, Riverside Comment
  RSA11580  Fagonia laevis N. Dunn, A. M. Martin 1932-3-26 s.n. Riverside Cottonwood Springs. Comment
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Sep 11 2011
  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
  RSA77840  Fagonia laevis F. Brubaker, Margaret Slaton 1929-4-28 495 -54 Riverside Hidden Springs, Colorado Desert Comment
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Nov 11 2011
  UC667351  Fagonia laevis Annie M. Alexander and Louise Kellogg 1941-5-26 2235 Riverside n wall Munsen Canyon; Eagle Mts. 822 Comment
  RSA45531  Fagonia pachyacantha J. C. Roos, L. Roos 1949-4-6 4146 Riverside Orocopia Mts., 2.5 mi. northeast of Dos Palmos Springs. 183 Comment
  UCR90359  Festuca arundinacea Scott D. White 1995-6-30 3415 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  UCR117081  Festuca myuros A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24199 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  UCR207376  Festuca myuros O. F. Clarke 2004-2-26 s.n. Riverside Peninsular Range, eastern edge of Riverside; Box Springs Mtns, Two Trees Canyon 412 Comment
  UCR22058  Festuca myuros Steve Boyd 1980-4-27 145 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  UCR269898  Festuca myuros D. E. Bramlet, Amy Hills, R. E. Riefner Jr., Russell Huddleston 2005-3-2 3656 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
  UCR90824  Festuca myuros A. C. Sanders, G. K. Helmkamp 1996-3-17 17989 Riverside Sonoran (Colorado) Desert, Coachella Valley, Palm Springs, mouth of Palm Canyon, c. 0.5 km east of Palm Canyon Dr. on Bogert trail 163 Comment
  UCR116970  Festuca octoflora A. C. Sanders, T. B. Salvato 2001-5-3 24095 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR75038  Festuca octoflora A. C. Sanders, E. J. Lawlor 1992-4-4 12152 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCR97888  Festuca octoflora A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19855 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  RSA339317  Filago californica R. F. Thorne, C. W. Tilforth 1980-5-28 54200 Riverside Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  UCR37677  Filago depressa George K. Helmkamp 1984-5-5 E- 2 Riverside Transverse Range, Little San Bernardino Mountains, Big Morongo Canyon, 4 road miles below the caretaker's house at the Big Morongo Preserve 549 Comment
  RSA387343  Filago gallica Steve Boyd 1986-5-1 1809 Riverside Perris-Aguanga Basin region SW Perris Basin, Hill west of Skunk Hollow. Comment
  RSA697315  Fouquieria splendens Keith E. Hoffmaster 1937-6-6 s.n. Riverside Desert grade of Palms to Pines Highway. Comment
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Dec 18 2011
  SFV2333  Fouquieria splendens P. G. Kilburn 1958-5-16 801 Riverside San Jacinto Mountains 5 miles south of Palm Desert on Palms-Pines Highway (Highway 74) on Seven Level Hill. 100 feet below road just above goose-neck turn. 610 Comment
  RSA0077530  Fouquieria splendens G. Wallace 1964-4-26 s.n. Riverside Highway 111 below Pinon Flats. 609 Comment
  UC454004  Fragaria vesca I. J. Condit 1910-6-24 Riverside Strawberry Valley; San Jacinto Mountains 1524 Comment
  RSA0018947  Fragaria vesca Philip A. Munz 1938-8-13 15320 Riverside Cedar Spring, north base of Santa Rosa Peak. 2287 Comment
  SD197786  Frankenia salina Karin Cleary-Rose, G. Nhun 1995-7-20 Riverside West edge of Hemet, 19 acre parcel on the Wilhelm Ranch, between Highway 74 and Whittier Avenue, at south end of Hyatt Avenue, west of the San Diego Aqueduct 456 Comment
  UCR35265  Fremontodendron californicum L. B. Ziegler 1968-6-12 315 Riverside Peninsular Range; San Jacinto Mtns., Hemet Valley (= Garner Valley) 1463 Comment
  CAS-BOT-BC223037  Galium angustifolium A. C. Sanders 2006-5-19 32435 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
  CLARK-A1528-1351  Galium angustifolium Charles S. Papp 1964-6-6 508 Riverside Cleveland National Forest 853 Comment
  UCR174537  Galium angustifolium Jennifer H. Jones, Janine Amaya and Thi (Teresa) Bui 2006-5-21 309 Riverside Peninsular Ranges: Box Springs Mtns., Box Springs Mountain Reserve. First trail on the left beyond the parking lot along the service road 793 Comment
  RSA0013154  Galium angustifolium subsp. angustifolium LeRoy Gross, Duncan S. Bell 2013-4-30 6037 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. Collection site near 1510 Comment
  RSA180292  Galium angustifolium subsp. angustifolium E. W. Lathrop 1965-4-25 5693 Riverside 4 miles southwest of Murrieta on the De Luz Road. Comment
  RSA508019  Galium angustifolium subsp. angustifolium Steve D. Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2289 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  RSA543749  Galium angustifolium subsp. gracillimum Steve D. Boyd, Tim S. Ross, Mike Hammit 1991-5-2 6053 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
  RSA779947  Galium angustifolium subsp. gracillimum Duncan S. Bell, Jennifer Pilapil 2011-5-19 2477 Riverside A small side canyon off of Mission Creek canyon approximately 3.5 air miles up canyon from the junction of Highway 62 and Mission Creek Road; just northwest of gaging station. 795 Comment
  UC1929484  Galium angustifolium subsp. jacinticum Valerie Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1708 Riverside Peninsular Ranges; San Jacinto Mountains region; Lake Fulmore; NW side of Lake. 1616 Comment
  UC2030131  Galium angustifolium subsp. jacinticum Robert F. Thorne, J. P. Simon, and C. W. Tilforth 1969-6-24 38134 Riverside SAN JACINTO MOUNTAINS: San Bernardino National Forest. Hilltop above Lake Fulmor. Comment
  JOTR33778  Galium multiflorum La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2930 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
  UCR121354  Galium multiflorum A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24607 Riverside Mojave Desert, Little San Bernardino Mtns, Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1372 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
  RSA25486  Galium stellatum C. Leo Hitchcock 1940-3-20 5870 Riverside Cottonwood Springs. Comment
  JOTR16841  Galium stellatum var. eremicum Vanderspek & Youse 1976-2-7 4 /19/1964 Riverside Joshua Tree National Park. WILSON CANYON Comment
  UCR195137  Gayophytum A. C. Sanders, Tim Thomas 2008-8-1 35932 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1448 Comment
  CAS-BOT-BC303568  Geraea canescens J. Von Loh 1977-10-31 2602 Riverside Ford Dry Lake Comment
  CDA5430  Geraea canescens T. C. Fuller 1961-1-1 5495 Riverside Frontage road, Thousand Palms. 0 Comment
  JEPS30406  Geraea canescens Donald Kyhos 1957-3-29 57 -8 Riverside 3 mi E of Palm Springs (on Hiway 99) Comment
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Aug 28 2011
  SBBG60584  Geraea canescens Mrs. Ashcraft -- Riverside Palm Springs Comment
  UC61547  Geraea canescens Miss Mary McKibben 1904-5-1 Riverside Mecca Comment
  UC809707  Geraea canescens E. K. Balls 1949-4-2 12891 Riverside on Hwy 60 20 mi from Whitewater; Colorado Desert 121 Comment
  POM48129  Geranium richardsonii Mary F. Spencer 1919-6-26 s.n. Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  UCR178845  Gilia Mitch Provance, Tracy Tennant 1998-6-16 MOR- 389 Riverside San Bernardino Mtns., Morongo Indian Reservation, 0.5 mi. north of junction of East Branch and Millard Canyon 1220 Comment
  UCR251987  Gilia A. C. Sanders, T. B. Salvato 2014-7-2 41170 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  SEINET6969910  Gilia W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Base of brush-covered Gavilan Hills west of Perris. Comment
  HSC85272  Gilia angelensis Steve Boyd 1986-4-22 1776 Riverside Gavilan Hills: Plateau remnant on ridge E of Estelle Mtn., S of Dawson Canyon Comment
  SD247689  Gilia angelensis J. Mark Porter, Lauren E. Machen 1997-2-15 11425 Riverside North of Interstate 15 at the Lake Street/Walker Canyon exit, 4.4 miles NE of the Highway 74 exit at Lake Elsinore. 118 Comment
  SEINET7073399  Gilia angelensis A. G. Vestal 1963-4-23 s.n. Riverside About 1.6 mile up the Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UC909002  Gilia angelensis Victor Duran 1935-4-17 Riverside Sage Comment
  UCR196893  Gilia angelensis A. C. Sanders, T. B. Salvato 2008-2-19 34424 Riverside San Bernardino Valley Region, Riverside, vacant lot at NW corner of the intersection of Chicago Ave. and M. Luther King (ex Pennsylvania) Ave. 296 Comment
  UCR96813  Gilia angelensis Scott D. White 1993-3-12 1181 Riverside Near Winchester 466 Comment
  LA102237  Gilia capitata subsp. abrotanifolia John C. Roos; Lucille Roos 1952-4-27 5585 Riverside San Timoteo Canyon in Redlands 426 Comment
  RSA314459  Gilia capitata subsp. abrotanifolia R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55470 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  UCR202425  Gilia capitata subsp. abrotanifolia Peter L. Morrell, D. L. Banks 1995-5-4 461 Riverside Peninsular Range, Agua Tibia Wilderness Area, 2.4 mi. (air) WSW of Radec 622 Comment
  SD251265  Gilia capitata subsp. abrotanifolia R. F. Thorne, E. W. Lathrop 1977-5-18 49729 Riverside Santa Ana Mountains: Bear Spring. Comment
  SDSU3074  Gilia caruifolia Bruhns 1965-5-22 115 Riverside Slope around girls' dormitory of Desert Sun School in Idyllwild. Yellow Pine Forest. Comment
  RSA783529  Gilia latiflora J. D. Olmsted 1958-6-15 175 Riverside Idyllwild School of Music and Arts, south of Idyllwild. In dry grassland near Strawberry Creek. 1524 Comment
  CAS-BOT-BC516256  Gilia maculata R. Patterson; M. Bourell 1994-3-28 1970 Riverside Joshua Tree National Monument; Pinto Basic Rd, ca. 5 mi S of jct with Utah Trail (road to Twenty Nine Palms 1000 Comment
  UCR202410  Gilia ochroleuca Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  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
  RSA0017085  Gilia ochroleuca subsp. exilis Marcus E. Jones 1889-4-20 10311 Riverside San Jacinto. Comment
  RSA782089  Gilia scopulorum Duncan S. Bell 2009-3-7 6 Riverside Arica Mountains: east side of mountain range, approximately 1.7 air miles west of Priest Well. 431 Comment
  UCR45343  Gilia splendens Scott Cantrell 1986-3-28 90 Riverside Sonoran (Colorado) Desert, Desert Hot Springs, near Hwy 62 and Indian Avenue 518 Comment
  JEPS69722  Gilia stellata W. L. Jepson 1928-4-23 12556 Riverside wash 2 mi below Cottonwood Spr. (Eagle Mts., Colorado Desert); Colorado Desert, , Eagle Mts. Comment
  RSA797510  Gilia stellata C. P. Cowan 1978-4-23 1176 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. 570 Comment
  UC667282  Gilia stellata Annie M. Alexander and Louise Kellogg 1941-4-27 2092 Riverside Joshua Tree National Monument Joshua Tree National Monument (Riverside and San Bernardino Counties) 1310 Comment
  UC880158  Gilia stellata I. W. Clokey 1935-4-17 6801 Riverside Cottonwood Springs Comment
  RSA0105081  Gnaphalium palustre Daphne K. Christopher, Hannah Stevens 2003-4-4 86 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 530 Comment
  RSA388322  Gnaphalium palustre Steve Boyd 1986-5-7 1845 Riverside Temescal Canyon: Terrace escarpment between Horsethief wash and Indian Truck Trail, south of I-15. [Gavilan Hills] Comment
  JOTR30952  Grayia spinosa La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1927 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  SFV6322  Grayia spinosa T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 30 Riverside San Bernardino Mountains Whitewater Canyon Road, 3 miles north of Highway 60. 630 Comment
  CLARK-A1528-225  Gutierrezia bracteata John C. Roos 1951-9-23 5238 Riverside Reche Canyon Comment
  UCR93827  Gutierrezia californica G. R. Ballmer, K. T. Stockwell 1995-6-8 s.n. Riverside Peninsular Range, Warm Springs Creek, Budweiser Ranch, 0.25-1 mi upstream of Los Alamos Road crossing 457 Comment
  JOTR30812  Gutierrezia microcephala Andre, Jim, Tasha La Doux 2008-9-16 10690 Riverside Joshua Tree National Park. along Bell Mountain Rd. atop Bell Mountain, approximately 0.3 miles north of radio tower. Queen Mountain USGS 7.5 min quad Near 34 00.35' N 116 00.017' W 1358 Comment
  OBI16358  Gutierrezia sarothrae H. E. McMinn 1935-6-23 3938 Riverside About 1/2 mi S of Elsinore Comment
  RSA504547  Gutierrezia sarothrae Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca. 1 mi SE of town on Nuevo. 640 Comment
  UCR103456  Gutierrezia sarothrae Bern Schwenn 1998-9-27 s.n. Riverside Santa Rosa Mtns, San Bernardino National Forest, Cactus Spring Trail, where trail crosses Horsethief Creek 1341 Comment
  CLARK-A1528-1884  Haplopappus cooperi John C. Roos 1943-5-22 2648 Riverside Little San Bernardino Mountains Comment
  UCR59754  Harpagonella palmeri Steve Boyd, T. S. Ross, L. Arnseth 1989-3-19 3029 Riverside Peninsular Range, Vail Lake area, 0.5 mi WNW of dam, S flank Oak Mountain 488 Comment
  UCR90408  Harpagonella palmeri D. L. Banks, Steve Boyd 1995-5-9 0398 Riverside NW Palomar Mtns., Cleveland Natinal Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn. area, west of the Dripping Springs Alcove Area, west of Woodchuck Campground 790 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
  UCR281828  Hazardia squarrosa Mitch Provance 2017-8-9 817- 01 Riverside Badlands of Western Riverside County, San Timoteo Canyon, SCE transmission Rd. on ridge just SW of El Casco Lake 643 Comment
  OBI16329  Helianthus annuus Lewis S. Rose 1966-12-11 66095 Riverside Palm Springs 152 Comment
  UCSC001464  Helianthus annuus Peter Kamb 1948-2-1 772 Riverside Valley in the Jurupa Mts. west of Colton Jurupa Mts., Colton - San Bernardino 305 Comment
  POM4823  Helianthus gracilentus I. M. Johnston 1918-5-30 2023 Riverside Temecscal Canyon (near Lee Lake). 335 Comment
  SEINET3105270  Heliotropium curassavicum Faulkner 1978-4-27 501 Riverside Three miles east of Blythe. 137 Comment
  SEINET959054  Heliotropium curassavicum A. C. Sanders 2006-1 32273 Riverside Warm Springs Valley, N edge of City of Lake Elsinore, 35 acre parcel south of the intersection of Callier Ave. and Riverside Dr., NE of Alberhills Crk., NW of Enterprise Way (Lake Elsinore 7.5Q) 389 Comment
  UCR139987  Heliotropium curassavicum A. C. Sanders 2004-8-10 28762 Riverside Perris-Aguanga Region, 3 miles ENE of Perris, new nursery growing grounds west of Menifee Rd. (=Pozos Av.) & south of Nuevo Rd., between San Jacinto River and Nuevo 433 Comment
  POM7026  Heliotropium curassavicum var. oculatum P. A. Munz, L. T. Street, G. Williams 1919-3-26 2463 Riverside Figtree John s Spring, near Salton Sea. -61 Comment
  POM8438  Heliotropium curassavicum var. oculatum P. A. Munz, R. D. Harwood 1920-3-20 3377 Riverside Lake Elsinore 396 Comment
  RSA488925  Hemizonia fasciculata Bill Wagner 1988-4-12 s.n. Riverside Approx. 1/2 mile SW of town of Temecula, S of Rancho CaliforniaRoad and Buisness Park Drive. 335 Comment
  RSA16354  Hemizonia kelloggii P. C. Everett 1935-6-18 7178 Riverside San Juan Canyon, near Ortega Highway on road to Santiago Peak. 701 Comment
  UCR154629  Hemizonia kelloggii A. C. Sanders, Mike Misenhelter 2005-6-15 31004 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
  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
  UCR268588  Hemizonia kelloggii Jim Andre 2012-6-15 30542 Riverside San Jacinto Mountains, west slopes of range along Poppet Flat Road, Poppet Creek canyon, 3.2 miles west of Hwy 243 1022 Comment
  UCR194232  Hemizonia mohavensis Scott D. White, J. Wood 2006-9-13 11643 Riverside Perris Basin/San Jacinto Mtn Foothills, Gibbel Flat in the Santa Rosa Hills 671 Comment
  UCR211873  Hemizonia mohavensis Valerie Soza, Steve Boyd, Neil Gilbert 2000-12-6 1067 B Riverside Peninsular Range; San jacinto Mountains, McCall Memorial Park Campground 1372 Comment
  RSA683227  Hemizonia paniculata Scott D. White 2003-12-1 9891 Riverside Santa Ana River Valley; City of Riverside; (La Sierra area). 244 Comment
  RSA752295  Hemizonia paniculata Scott D. White 2009-8-10 13348 Riverside Temescal Valley: City of Temecula, West bank of Murrieta Creek, from Rancho Califonria Rd to Cherry St. 306 Comment
  SEINET238520  Hemizonia paniculata A. C. Sanders, T. B. Salvato 2000-5-25 23423 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
  UCR121167  Hemizonia paniculata D. E. Bramlet 1989-6-13 1922 Riverside Domenigoni Valley, 3,000 ft. east of the MWD canal and 500 ft. south of Newport Road. 458 Comment
  UCR16863  Hemizonia paniculata H. C. Sharma 1976-4-20 760420- 04 Riverside UCR campus, about 40 ft north of northern parking lot of Bannockburn Comment
  RSA617986  Hemizonia pungens subsp. laevis R. E. Riefner 1998-10-15 98 -518 Riverside Elsinore Trough; Lake Elsinore, Palomar Rd. Comment
  UCR267434  Hemizonia pungens subsp. laevis D. E. Bramlet 2005-7-27 3908 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, west of Hemet, canal alignment, north of Devonshire Ave., west of Warren Rd. 460 Comment
  UCR201021  Hemizonia pungens subsp. pungens Scott D. White 2008-8-20 12535 Riverside Peninsular Range; Perris-Aguanga Basin, City of Moreno Valley, Perris Blvd. between Krameria and Oleander Streets 451 Comment
  UCR120196  Herniaria hirsuta subsp. cinerea Mitch Provance 1998-3-6 144 Riverside Jurupa Mountains, Slopes on the W side of Sierra Blvd, c. 0.7 km NNW of the Jensen Quarry 351 Comment
  RSA586490  Hesperolinon micranthum D. L. Banks, Steve D. Boyd 1995-5-9 340 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
  SDSU13702  Hesperoyucca whipplei James C. Dice with J. D. Tenhunen 1987-9-9 721 Riverside Ca. 1.6 km NNW of Royal Oak Ranch. T8S, R3W, northeast 1/4 of northwest 1/4 of section 35. 390 Comment
  UC66545  Heteromeles arbutifolia E. A. Zumbro 1904-1 433 Riverside Cold Water Canyon; Santa Ana Mts. Comment
  RSA89964  Heterotheca horrida subsp. cinerascens J. C. Roos, L. Roos 1950-10-21 5011 Riverside Wonderland of Rocks [Joshua Tree National Park]; Little San Bernardino Mts. 1220 Comment
  RSA450413  Heterotheca sessiliflora var. sanjacintensis J. C. Roos 1965-8-18 s.n. Riverside Thomas Valley, San Jacinto Mtns. Comment
  UC64041 Image available Heuchera hirsutissima H. M. Hall 1901-7-1 2412 Riverside San Jacinto Mountains; ; San Jacinto Mts. Comment
  POM307339  Hibiscus denudatus Henry J. Ramsey, Henry J. Ramsey 1939-11-28 2200 Riverside Indio-(20 mi. east) Comment
  SEINET4585072  Hilaria rigida E. Neese 1979-4-10 7077 Riverside About 25 miles west of Blythe, along I-10 244 Comment
  UCD90074  Hilaria rigida William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  RSA167554  Hoffmannseggia glauca R. F. Thorne, Robert L. Rutherford 1964-4-12 33658 Riverside Along Hwy 60, south of Ford Dry Lake, west of Blythe. Comment
  SBBG3334  Hoffmannseggia glauca H. and M. Dearing 1942-4-6 4867 Riverside ca. 1 to 3 mi E of Blythe Comment
  SD127582  Hoffmannseggia microphylla David Charlton 1988-2-18 1134 Riverside Alluvial fan south side of Little San Bernardino Mountains, Fargo Canyon Road to Cottonwood Wash, south of Joshua Tree National Park, parallel to I-10, 1 mile east of Jct Dillon Road & Fargo Canyon Road 609 Comment
  RSA582631  Hoita orbicularis Louis C. Wheeler 1933-5-28 1744 Riverside Santa Ana River at Chino Creek. 152 Comment
  RSA644635  Hordeum murinum subsp. leporinum Scott D. White 1993-3-12 1145 Riverside San Jacinto Valley: between aqueduct and Warren Road. 457 Comment
  UCR176900  Hordeum murinum subsp. leporinum Tracy Tennant 1998-6-18 s.n. Riverside San Jacinto Valley, intersection of Stetson Ave. and California Ave., NE of Winchester, WSW of Hemet 457 Comment
  UCR111573  Hordeum murinum subsp. murinum Mitch Provance 1998-7-23 912 A Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 305 Comment
  UCR21909  Hornungia procumbens Steve Boyd 1980-5-2 154 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  RSA0124126  Horsfordia alata Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8735 Riverside Santa Rosa Mountains; collecting on the Martinez Slide to the north of Toro Canyon, approximately 5.25 air miles east northeast of the summit of Martinez Mountain. 115 Comment
  RSA0054881  Hugelia filifolia Keith E. Hoffmaster 1937-6-6 756 Riverside Near Valle Vista, Hemet Valley. Comment
  CLARK-A1528-1950  Hulsea heterochroma John C. Roos 1965-7-22 Riverside San Jacinto Mountains Comment
  UCR178012  Hulsea heterochroma T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 612 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  POM12655  Hulsea vestita subsp. callicarpha P. A. Munz 1922-7-9 6405 Riverside Above Tamarack Valley. San Jacinto Mts. 3048 Comment
  RSA89923  Hulsea vestita subsp. callicarpha E. K. Balls, Everett 1953-7-1 18347 Riverside 5 miles NW of Idyllwild on road to Banning. 1524 Comment
  UC169663  Hulsea vestita subsp. callicarpha S. B. and W. F. Parish Jul 1880 531 Riverside San Jacinto Mts Comment
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Mar 4 2008
  UC489000  Hulsea vestita subsp. callicarpha C. V. Meyer 1927-6-1 171 Riverside San Jacinto Mts. Comment
  UCR110974  Hulsea vestita subsp. callicarpha George K. Helmkamp 1998-6-27 4114 Riverside Santa Rosa Mtns., 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail = F. S. Rd. 7S02), below Mountain Home Spring 1799 Comment
  UCR195706  Hulsea vestita subsp. callicarpha A. C. Sanders, Tim Thomas 2008-8-1 35941 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1402 Comment
  UCR20548  Hulsea vestita subsp. callicarpha W. W. Mayhew 1977-6-11 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  UCR92447  Hydrocotyle ranunculoides A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18113 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  RSA650972  Hymenoclea salsola D. Geisinger, E. Baldwin 1959-3-23 s.n. Riverside Palm Springs. Comment
  POM225666  Hymenothrix loomisii George Black 1936-11-4 s.n. Riverside Santa Fe Tracks at Southern end of Riverside, Comment
  POM19804  Hypericum androsaemum Mary F. Spencer 1923-8-8 2186 Riverside Idyllwild Comment
  POM7077  Hypericum androsaemum P. A. Munz, L. F. Street 1919-5-7 2737 Riverside Mouth of Tahquitz Canyon. Comment
  RSA458203  Hypericum androsaemum E. C. Jaeger 1921-7-1 s.n. Riverside Idyllwild, San Jacinto Mountains. 1585 Comment
  RSA458204  Hypericum androsaemum M. B. Dunkle 1933-7-21 3724 Riverside Idyllwild 1616 Comment
  CAS-BOT-BC219756  Hyptis emoryi Barbara Ertter; Jeffrey Strachan 1980-5-20 3478 Riverside Highway 74 (Pines to Palms Highway) near Black Hill between Palm Desert and Santa Rosa Mt 914 Comment
  SEINET12277046  Hyptis emoryi E. A. Purer 1935-1 6464 Riverside E slope of Mt. San Jacinto, near Palm Springs, Colorado desert Comment
  RSA1911  Isocoma acradenia var. eremophila B. D. Stark 1930-4-1 1495 Riverside San Gorgonio Pass. 457 Comment
  RSA674592  Isocoma menziesii Scott D. White 2000-5-5 7773 Riverside City of Murrieta: Vacant lot on N corner at intersection of Jefferson Av. and Murrieta Hot Springs Rd. 323 Comment
  UCR101342  Isocoma menziesii var. vernonioides A. C. Sanders, K. C. Rose 1998-9-29 22244 Riverside San Jacinto Valley, west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills 459 Comment
  UCR151125  Isocoma menziesii var. vernonioides Scott D. White 1998-10-9 7168 Riverside Peninsular Ranges/Santa Ana Mtns, Corona, near Bedford Canyon: ''Joseph Canyon'' wash near a disused quarry. Site adjacent to housing tracts now under construction, and proposed for same 366 Comment
  RSA234045  Isoetes howellii R. F. Thorne, E. Lathrop 1969-5-19 37974 Riverside Santa Rosa Plateau: Rancho Caifornia, Mesa de Colorado 625 Comment
  RSA234054  Isoetes howellii R. F. Thorne, E. W. Lathrop 1969-5-12 37930 Riverside Santa Rosa Plateau: Large vernal marsh on S end of Mesa de Colorado, Rancho California 625 Comment
  POM9949  Isolepis cernua D. L. Crawford, I. M. Johnston 1917-6-9 1233 Riverside Santa Ana River near Corona Comment
  RSA0035136  Isomeris arborea Carol Haines 1964-3-23 s.n. Riverside Porcupine Wash, Pinto basin. 762 Comment
  RSA499249  Ivesia santolinoides E. C. Jaeger s.n. Riverside County Well Canyon [6.8 miles below Pinyon Well on the road to Indio, presumably in what is now called Pushawalla Canyon] Comment
  RSA588166  Jepsonia parryi D. L. Banks, Steve Boyd 1995-10-17 0800 Riverside NW Palomar Mountains. Agua Tibia Mountains. Cleveland National Forest. Agua Tibia Wilderness Area. Along lower Arroyo Seco. S of the Dripping Springs Campground., Along the narrow benches where Arroyo Seco turns E, just W of the Metasedimentary hills. 524 Comment
  UCR84500  Jepsonia parryi Steve Boyd 1994-10-14 8400 Riverside S Santa Ana Mtns, San Mateo Canyon Widerness Area of the Cleveland National Forest. San Mateo Canyon along San Mateo Trail between N branch of Tenaja Trail and Fishermans Camp. 427 Comment
  SEINET3245947  Juglans regia A. C. Sanders, R. E. Riefner Jr. 2009-1 37146 Riverside Peninsular Range: Riverside, CUR campus by West Campus Drive near The Barn (Riverside East 7.5') 320 Comment
  RSA234053  Juncus bufonius Robert F. Thorne, E. Lathrop, et al. 1969-5-19 37964 Riverside Santa Rosa Plateau: Rancho Caifornia, Mesa de Colorado 625 Comment
  UCR171139  Juncus bufonius 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
  RSA500154  Juncus bufonius var. occidentalis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3647 Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Hwy 79. 488 Comment
  RSA704866  Juncus effusus subsp. austrocalifornicus J. Russell Bruff 1934-6-19 555 Riverside Idyllwild Comment
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Jul 29 2010
  RSA335012  Juncus macrophyllus Steve Boyd 1985-7-23 1020 Riverside De Luz Road, 8.0 miles west of Rancho California. Side canyon of Sandia Creek. 305 Comment
  RSA741108  Juncus mexicanus Scott D. White, Justin M. Wood 2008-6-17 12158 Riverside South of Hwy 79 near Keen Camp Summit. 1402 Comment
  UCR174256  Juncus textilis A. C. Sanders, T. B. Salvato 2006-6-2 33076 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
  UCR22029  Juncus xiphioides Steve Boyd 1980-5-3 180 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  UCR241509  Juniperus californica A. C. Sanders 2013-4-16 40801 Riverside Peninsular Range; SE Gavilan Hills, SCE power line west of the San Jacinto River and south of Perris, below/NE of the intersection of McPherson Rd. and Keystone Dr. 450 Comment
  CAS-BOT-BC234565  Justicia californica L. S. Rose 1946-12-24 46304 Riverside Tahquitz Canyon Wash, Palm Springs 138 Comment
  CAS-BOT-BC234573  Justicia californica Walter Wm. Zabriskie 1973-2-8 103 Riverside West side of jeep road leading to Coyote Canyon from Deep Canyon Research Center road; N slope Santa Rosa Mts. 292 Comment
  RSA777824  Justicia californica Jim Andre, G. L. Clifton 2011-2-22 17456 Riverside Mecca Hills; along Box Canyon Road, 10.3 miles NE of town of Mecca. 219 Comment
  SFV5026  Justicia californica F. M. Ball 1964-1-4 n.s. Riverside Colorado Desert Wide bench on right side of Rt. 74 to Hemet, about 7 miles south of Palm Desert. 335 Comment
  JEPS13806  Kallstroemia grandiflora Marjorie D. Clary 1936-10-24 2736 Riverside Chuckawalla Valley near Desert Center; North Colorado Desert, Chuckawalla Valley 274 Comment
  CDA28958  Keckiella antirrhinoides Mike Lahti 2009-4-7 PDR# 1501611 Riverside East Hemet. 0 Comment
  SD143711  Keckiella antirrhinoides Andy C. Sanders, P. MacKay, T. Thomas, O. Clarke 1997-5-4 20698 Riverside San Jacinto Mountains: N side of the range, Twin Pines Creek below the confluence with Brown Crk. 854 Comment
  RSA583570  Keckiella antirrhinoides subsp. antirrhinoides Steve D. Boyd 1995-4-24 8496 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on northern flank of Agua Tibia Mountain at the north base of Wildhorse Peak, along the Wildhorse Trail near the northeastern corner of the Wilderness. 671 Comment
  RSA401751A  Keckiella antirrhinoides subsp. microphylla W. M. Zabriskie 1974-3-26 160 Riverside 300 ft. below Eagle Pk., Andreas Canyon area, east slope San Jacinto Mtns. 762 Comment
  RSA293305  Keckiella cordifolia D. C. Michener 1980-7-18 3710 Riverside Old Banning rd. 2.7 mi. north west of jct with Poppet Flat rd. 1100 Comment
  SDSU10649  Keckiella cordifolia Garrison 1962-7-16 7 Riverside Riverside County. 3 miles south of Temecula, on Hwy 395. Cismontane slope, elev. 1100 feet 335 Comment
  CAS-BOT-BC246223  Keckiella ternata subsp. ternata H. M. Hall 1901-8-1 2634 Riverside Vicinity of Chalk Hill, San Jacinto Mountains 1584 Comment
  LA45680  Krameria bicolor Virginia Mars; 1951-5-27 sn Riverside San Jacinto Mountains, Highway 74, desert at base of mountains Comment
  LA45697  Krameria erecta J. A. Ewan; 1931-4-4 4141 Riverside McCoy Mountains Comment
  UCSB3522  Krameria erecta Cline, C. 1960-5-15 Riverside Across highway from Pinon Flats Camp Ground; 15.5 miles SW of Palm Desert; San Berd. Nat. For. Comment
  POM6906  Krameria grayi P. A. Munz 1919-5-7 2746 Riverside Palm Springs. 183 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
  SEINET189692  Krameria grayi Annie M. Alexander, L Kellogg 1941-5-14 2166 Riverside Near Shaver Summit 503 Comment
  UCR16328  Krameria grayi M. J. Arbaugh 1978-5-27 s.n. Riverside Coachella Valley/Colorado Desert, 2 mi. east of Cabazon on side of telephone access road. Comment
  CLARK-A1528-1976  Lactuca serriola John C. Roos 1965-10-7 Riverside Beaumont Comment
  UCR21851  Lactuca serriola 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
  SD146030  Laennecia coulteri A. C. Sanders, Mitch Provance 1999-9-26 23125 Riverside San Jacinto Valley; Mystic Lake, 1.4 mile southeast of Jackrabbit Trail on Gilman Springs Road, 1.4 mile south of Eden Hot Srings. 433 Comment
  SD152988  Lamarckia aurea Steve Boyd 1993-3-14 7724 Riverside San Mateo Canyon Wilderness Area. Northeastern corner of the wilderness, south of Elsinore Peak, in broad saddle on high ridge forming east side of Wildhorse Canyon 975 Comment
  POM259712  Larrea tridentata Philip A. Munz 1940-3-23 15665 Riverside South base of Pinto Mountains, road Dale to Cottonwood Springs. 610 Comment
  SEINET4907865  Larrea tridentata H. F. Thut 1971-3-7 s.n. Riverside 10 miles E of Palm Springs. Comment
  UC867926  Larrea tridentata I. W. Clokey and B. C. Templeton 1930-4-9 4706 Riverside n of Palm Springs; Colorado Desert 170 Comment
  CAS-BOT-BC338909  Lasthenia californica Steve Boyd 1986-5-1 1821 Riverside Bachelor Mtn.: Lower south slopes of Bachelor Mtn., east end of Lake Skinner Comment
  SEINET7063238  Lasthenia californica A. G. Vestal 1963-5-19 s.n. Riverside About 5.5 miles southwest of Cahuilla on Route 371 [on the Cahuilla Road]. UTM Zone 11, 512930mE, 3702605mN. (WGS84/NAD83). 896 Comment
  CLARK-A1656-700  Lasthenia coronaria Theo Glenn 1979-3-11 Riverside San Jacinto Mountains Comment
  JEPS28846  Lasthenia coronaria Peter H. Raven 1962-3-19 16913 Riverside 1.6 mi ne of junction State Highway 71 (State Highway 74, n of Elsinore) Comment
  JEPS82233  Lasthenia coronaria Rimo Bacigalupi, and L. Heckard 1962-3-25 8399 Riverside about 10 air miles nw Elsinore (near Arcilla siding of A.T. & S.F. Railway, just below and e of state Highway 71); Temescal Wash 289 Comment
  SBBG55772  Lasthenia coronaria D. Keil, M. McLeod 1977-3-26 12010 -1 Riverside Hwy 71, 8 mi NW of Lake Elsinore St Recreation area 365 Comment
  SD51808  Lasthenia coronaria Rimo Bacigalupi, Gene Newcomb 1954-4-25 4399 Riverside Along State Highway 79, close to summit of St. Johns grade; ca.3/4 mile south of Sage. 730 Comment
  UCR113179  Lasthenia coronaria A. C. Sanders 1998-3-11 21678 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near old mine site above San Jacinto Valley, south of end of Warren Rd. 610 Comment
  UCR142209  Lasthenia coronaria June Latting 1979-4-8 s.n. Riverside Box Springs Mountain 915 Comment
  CLARK-A1528-257  Lasthenia glabrata subsp. coulteri Danny Sall 1970-5-4 10 Riverside 365 Comment
  RSA550491  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1992-4-9 2220 Riverside 2.6 km west of Lake View and 15m to 100m east of the San Jacinto River and just west of an existing dirt access road. The site is approximatly 440m south of the MWD easment road. Comment
  RSA550492  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1992-4-9 2218 Riverside 2.3 km west of Lakeview and 150m east of San Jacinto River. The site is approx. 120m north of the MWD easement road. 433 Comment
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Dec 26 2010
  UCR92695  Lasthenia glabrata subsp. coulteri A. C. Sanders, K. D. Jones, D. Malueg 1996-4-20 18045 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  POM361595  Lasthenia gracilis N. C. Cooper 1947-4-5 2099 Riverside Alamos Canyon, Elsinore 762 Comment
  POM47486  Lasthenia gracilis Mary F. Spencer 1920-4-7 1434 Riverside Palm Canyon; Colorado Desert. 244 Comment
  UCR152628  Lasthenia gracilis A. C. Sanders 2005-4-22 29587 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR172209  Lasthenia gracilis John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County, along Briggs Road between Porth Road and Benton Road 409 Comment
  SD224958  Lathyrus latifolius Scott D. White 1996-8-16 4487 Riverside Idyllwild area: SW of Pine Cove and W of Bear Trap Cyn, in watershed above Alvin Meadows (tributary to toll Rd. Cyn.).A few plants at terminus of Marion Ridge Rd, near radio facility, in open forest. 1700 Comment
  POM277816  Lathyrus vestitus subsp. alefeldii Lyman Benson 1932-3-26 3169 Riverside Temecula Valley. 548 Comment
  POM10364  Lathyrus vestitus subsp. laetiflorus Charlotte M. Wilder 1904-5-13 76 Riverside North side of Jurupa Hills Comment
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Sep 3 2011
  POM295533  Lathyrus vestitus subsp. laetiflorus Lyman Benson 1946-4-15 12011 Riverside 6 miles southeast of Redlands. Mt. Range: San Bernardino. 609 Comment
  OBI40933  Lathyrus vestitus var. alefeldii Jennifer Lyman 1981-5-16 s.n. Riverside San Jacinto Mts. May Valley rd, Idyllwild. USFS San Jacinto Mtn R2.5E-T5S 1768 Comment
  RSA1496  Lathyrus vestitus var. alefeldii J. T. Howell 1929-2-14 1233 Riverside Santiago Trail, above Glen Ivy Comment
  SD8724  Lathyrus vestitus var. alefeldii Daniel Cleveland 1882-4-22 Riverside Temecula Comment
  JEPS40025  Layia glandulosa W. L. Jepson 1901-5-19 1291 Riverside Strawberry valley; San Jacinto River 640 Comment
  UC68881  Layia glandulosa H. M. Hall 1905-4-1 5771 Riverside Indian Well Colorado Desert, Indian Well Comment
  CAS-BOT-BC379631  Layia platyglossa Joseph Andorfer Ewan 1933-3-5 10781 Riverside Palonia Valley, 7 mi. NE Murrietta Comment
  RSA716423  Layia platyglossa Scott D. White 2006-4-27 11309 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  UCR114018  Layia platyglossa Mitch Provance 2000-4-8 2008 Riverside Jurupa Mountains, S extension of 'Rattlesnake Mt.', <100 m west of peak 1739. 518 Comment
  UCR239891  Layia platyglossa O. F. Clarke 2004-3-16 s.n. Riverside Peninsular Range, eastern edge of Riverside; Box Springs Mtns, Two Trees Canyon 412 Comment
  UCR27065  Layia platyglossa T. P. Krantz 1982-5-25 s.n. Riverside Peninsular Range; San Jacinto Mtns., Baldy Mountain mesa above the west end of Garner Valley 1585 Comment
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Jan 8 2013
  RSA748054  Layia ziegleri Justin M. Wood 2009-5-11 692 Riverside Garner Valley, Quinn Flat area. 1372 Comment
  CAS-BOT-BC534384  Lemna gibba G. R. Kleeberger 1878-12-29 s.n. Riverside Temescal Comment
  RSA594041  Lemna valdiviana Darin L. Banks, Elizabeth Hedge Banks 1996-5-2 945 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage. 524 Comment
  RSA562054  Lepidium dictyotum Steve Boyd, Timothy S. Ross 1992-4-1 6773 Riverside Temescal Canyon, terrace escarpments between Indian and Horsethief Washes along De Palma Road. 412 Comment
  UCR151368  Lepidium dictyotum Steve Boyd 2001-4-12 10410 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Gavilan Hills Region: South base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street, in the vicinity of the site of Terra Cotta Comment
  RSA649253  Lepidium lasiocarpum Faulkner 1978-3-15 280 Riverside 1 mi. W of Hwy 95, 25 mi. N of Blythe. 152 Comment
  RSA736256  Lepidium lasiocarpum Scott D. White, Justin Wood 2008-4-3 11791 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan property, Alberhill area. 274 Comment
  UC809724  Lepidium lasiocarpum var. lasiocarpum Philip A. Munz 1949-4-13 13061 Riverside above Cottonwood Springs (w end of Eagle Mts.); Colorado Desert, Eagle Mts. 1143 Comment
  UCR241391  Lepidium nitidum T. B. Salvato, Mike Landers 2013-3-21 7380 Riverside Perris-Aguanga Basin, Murrieta, between Hwy 215 and State Route 79 (Winchester Rd), 0.23 mi east of the intersection of Keller Rd and Menifee Rd 470 Comment
  UCR38081  Lepidium pinnatifidum O. F. Clarke 1985-5-13 s.n. Riverside San Jacinto River Valley, Gun club ponds east of Davis Road, a short distance north of Lakeview, east of the Bernasconi Hills 428 Comment
  CSUSB1413  Lepidium virginicum Mike Meloy 1964-4-22 640422 1 Riverside Box springs mountain, 50 yards south of big "C" Comment
  UCR154740  Lepidium virginicum var. pubescens T. B. Salvato, Kent Beaman 2005-5-16 775 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
  POM361781  Lepidospartum squamatum L. C. Wheeler 1933-12-1 2279 Riverside San Gorgonia Wash at S. P. RR, San Gorgonio Pass. 640 Comment
  POM361782  Lepidospartum squamatum N. C. Cooper 1943-10-3 939 Riverside Whitewater Canyon. Comment
  RSA272164  Lepidospartum squamatum var. palmeri John F. Emmel 1975-10-8 539 Riverside San Jacinto River bed, 1.5-2 air miles E of Valle Vista, Sw base San Jacinto Mts. 537 Comment
  UCR92237  Leptochloa uninervia Scott D. White, S. Ogg 1994-10-17 2477 Riverside Temecula Valley, Murrieta Creek, 1000-3000 ft. south of Winchester Road bridge (Banana Avenue) 317 Comment
  UCR89845  Leptodactylon californicum Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3305 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  RSA67071  Leptosiphon ciliatus Verne Grant, Alva Grant 1951-7-22 16106 Riverside Along road to Dark Canyon campsite, 0.25mi from main hwy, north of Idyllwild. 1707 Comment
  SBBG93109  Leptosiphon lemmonii G. Ballmer 1990-5-6 Riverside vicinity of Crown Valley; S of Domenigoni Valley and N (and W) of Rawson Cyn, where rd goes S into hills from Newport Rd 548 Comment
  SD3882  Leptosiphon liniflorus Florence Youngberg 1933-8-28 Riverside San Jacinto Mountains; Idyllwild Pines. Comment
  RSA500182  Leptosiphon parviflorus Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3537 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  HSC85389  Leptosiphon pygmaeus Steve Boyd 1986-4-13 1688 Riverside Harford Springs County Park, between creek and W flank of 'Cross Mountain Comment
  RSA525334  Leptosiphon pygmaeus subsp. pygmaeus Steve Boyd, A. C. Sanders, Mark Skinner 1990-4-28 4464 Riverside Vail Lake area, Hwy R3 (Sage rd) at junction with Debby Road. just S of Sage. Comment
  RSA26971  Lesquerella tenella C. L. Hitchcock 1940-3-31 5881 Riverside 0.5 mile below Cottonwood Springs Comment
  CDA8186  Lessingia filaginifolia var. filaginifolia T. C. Fuller 1961-10-18 7158 Riverside Highway 91, 0.5 mile east of Prado Dam Road, Santa Ana River Canyon. 0 Comment
  CDA20749  Lessingia glandulifera var. glandulifera M. Lahti 2006-9-12 PDR 1357283 Riverside Sage Ranch Nursery, 41801 East Benton Rd., Hemet CA. Comment
  POM197815  Lessingia glandulifera var. glandulifera John T. Howell 1927-8-2 2929 Riverside Top of control on road to Hemet, Mt San Jacinto. Comment
  SD5326  Lessingia glandulifera var. glandulifera L. W. Nuttall Aug 1931 Riverside Idyllwild, Mt. San Jacinto. 1525 Comment
  SFV11433  Lessingia glandulifera var. glandulifera M. L. Vincent 1963-10-19 444 Riverside Within 3 miles of California State Highway 74 (Pines to Palms Highway) as highway crosses Santa Rosa Indian Reservation. About 1.5 miles west of Santa Rosa summit. 1503 Comment
  SEINET10839632  Lilium parryi John G. Lemmon 1879-1 Riverside Comment
  UCR193127  Limnanthes gracilis subsp. parishii A. C. Sanders, Tim Thomas 2008-6-20 35537 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 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
  RSA0080316  Linanthus bigelovii Sarah J. De Groot, Cheryl Sevilla 2015-2-18 7361 Riverside North fork Mission Creek, southeast San Bernardino Mountains, northwest of Desert Hot Springs. 780 Comment
  SD134419  Linanthus dianthiflorus Craig Reiser 1990-4-15 Riverside Off De Portola Road near Calle Grande Road Comment
  POM96830  Linanthus dianthiflorus subsp. dianthiflorus F. M. Reed 1926-5-8 5311 Riverside Rocky hills on highway south of Perris. Comment
  UC52541  Linanthus floribundus subsp. floribundus H. M. Hall 1898-4-9 874 Riverside Temescal Mts. Comment
  UCR85241  Linanthus jonesii A. C. Sanders, P. J. MacKay, C. L. Sanders, M. Jacobsmyer 1995-3-5 15996 Riverside Sonoran (Colorado) Desert, Orocopia Mtns, Maniobra Valley, 1.6-3 mi. south of frontage road (old Hwy 60) along Interstate 10, S to edge of BLM wilderness 610 Comment
  UCR92344  Linanthus lemmonii Scott D. White, T. Keeler-Wolf 1994-5-8 s.n. Riverside San Jacinto Mtns, Foothills, San Jacinto River wash at eastern edge of Valle Vista 549 Comment
  UCR167867  Linanthus parviflorus T. B. Salvato, John F. Green 2004-5-27 573 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
  UCR103742  Linaria canadensis var. texana O. F. Clarke 1997-3-4 s.n. Riverside Riverside, Vacant lot at back of St. George's Episcopal Church, at corner of Spruce Street and Watkins Drive 305 Comment
  RSA0045289  Lobularia maritima Margaret Murphy 1983-4-15 0011 -A Riverside Dry river wash located in the north section of parcel 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  UCR266316  Loeflingia squarrosa D. E. Bramlet 1991-4-30 2091 Riverside Peninsular Range, Shipley Reserve, Crown Valley at NW foot of Black Mtn., transect C-3 732 Comment
  JOTR31097  Loeseliastrum matthewsii La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2261 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Cobble toe slopes at the base of Ryan Mountain, north end of Lost Horse Hills (Stop 3) Comment
  RSA750716  Loeseliastrum matthewsii R. F. Thorne, Rolf, Gertrud Dahlgren 1979-8-22 53588 -b Riverside Joshua Tree National Monument; Vicinity of Ryan Campground to base of Ryan Mountain. 1319 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
  SD258482  Loeseliastrum schottii J. M. Andre, Glenn Clifton, Ron Kelley 2013-3-1 24396 Riverside West Riverside Mountains at base of NW corner of range where sand ramps run up against granitic bouldery slopes, ca. 10 miles SW of Vidal Jct, 3.0 mile south of Grommet RR xing at Highway 62. 363 Comment
  UCR254626  Loeseliastrum schottii Jim Andre, Glenn Clifton, Ron Kelley 2013-3-21 24396 Riverside NE Colorado Desert, West Riverside Mountains; at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 mi. SW of Vidal Jct, 3 mi. south of Grommet RR xing at Hwy 62 363 Comment
  JOTR28878  Logfia depressa La Doux, Tasha, Bill Truesdell 2004-3-11 1036 Riverside Joshua Tree National Park. Pinto Basin; sand hills 530 Comment
  JOTR35140  Logfia depressa La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3252 Riverside Joshua Tree National Park. West Cottonwood Mountains; southeast edge of Pinkham Wash, east of Pinkham Canyon Road; rocky flats between small drainages in mouth of Pinkham Wash (Stop 1) Comment
  SD137890  Logfia filaginoides Darin L. Banks 1995-4-11 168 Riverside Cleveland National Forest, Agua Tibia Wilderness Area.North slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area. 960 Comment
  UCR240625  Lomatium dissectum var. multifidum Tracy Tennant, Mitch Provance 1998-6-16 MOR- 410 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  RSA628481  Lonicera interrupta A. C. Sanders 1994-5-30 14585 Riverside NNE of Beaumont at Highland Springs, hills N of the end of Bellflower Ave. at Dutton St. 950 Comment
  CAS-BOT-BC234807  Lonicera subspicata Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  UCR262252  Lonicera subspicata T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3743 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  UC64322  Lonicera subspicata var. denudata H. M. Hall July, 1901 2529 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1615 Comment
  UCR104190  Lonicera subspicata var. denudata Scott D. White 1997-5-25 5233 Riverside San Jacinto Mtns, Bautista Canyon: Hixon Trail (USFS No. 2E43), between trailhead at Bautista Canyon Road and intermittent stream crossing at c. 3200 ft 976 Comment
  RSA249839  Lotus crassifolius R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38104 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  UCR138757  Lotus crassifolius Scott D. White 1997-5-18 5178 Riverside San Jacinto Mtns., 'Black Mountain Scenic Area,' Black Mountain Trail between Hwy 243 and Cinco Poses Trail junction 1829 Comment
  JEPS55436  Lotus grandiflorus var. grandiflorus W. L. Jepson 1903-8-8 2293 Riverside Strawberry Valley San Jacinto Mt. 1828 Comment
  CSUSB1265  Lotus heermannii Steve Stadler 1966-3-8 030866 72 Riverside Box Springs Mountains. 10 yards off Pigeon Pass Road. 4.2 miles north of Riverside-Beaumont Highway. 457 Comment
  RSA757447  Lotus heermannii Robert F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55226 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta 730 Comment
  POM19607  Lotus oblongifolius Mary F. Spencer 1923-07 2196 Riverside Idyllwild, San Jacinto Mt. 1646 Comment
  RSA704854  Lotus oblongifolius J. R. Bruff 1934-6-19 553 Riverside Idyllwild Comment
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Jul 29 2010
  UC864945  Lotus purshianus var. purshianus I. W. Clokey and E. G. Anderson 1935-8-21 6720 Riverside Hemet Lake 1030 Comment
  RSA498793  Lotus rigidus Robert L. Dressler 1949-3-19 425 Riverside Coxcomb Mountains, 23 miles NE of Desert Center. Comment
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May 24 2012
  SEINET3558565 Image available Lotus rigidus Lewis S. Rose 1938-12-22 38336 Riverside 15 miles southwest of Cathedral City Palms to Pines Highway, San Jacinto Mountains. 671 Comment
  UC555405  Lotus rigidus Frank W. Peirson 1922-4-9 Riverside Andreas Canyon Comment
  CDA27315  Lotus salsuginosus var. brevivexillus T. C. Fuller 1963-4-23 10274 a Riverside Box Canyon Wash, Mecca-Blythe Road (Highway 195), 11.8 miles northeast of Mecca. 0 Comment
  UCR154392  Lotus scoparius subsp. brevialatus A. C. Sanders, Mike Misenhelter 2005-6-15 30970 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
  UCR174263  Lotus scoparius subsp. brevialatus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32672 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
  UCR91392  Lotus scoparius var. brevialatus Scott D. White 1995-4-5 2709 Riverside Moreno Valley, Base of slope in 'Badlands', off [Moreno-Redlands] Blvd 640 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
  RSA28070  Lotus strigosus I. L. Wiggins 1941-3-27 9701 Riverside 4 mi. north of Whitewater. Comment
  RSA689379  Lotus strigosus Scott D. White 2001-4-18 8366 Riverside Coachella Valley: Palm Springs. NE corner of Sunrise Dr. and San Raphael Dr. (Palm Springs) 152 Comment
  SEINET7073298  Lotus strigosus A. G. Vestal 1963-4-27 s.n. Riverside Cottonwood Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UCR157956  Lotus strigosus T. B. Salvato, A. C. Sanders 2005-5-17 909 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
  UCR168250  Lotus strigosus M. B. Dunkle 1935-3-30 4416 Riverside Sonoran (Western Colorado) Desert, Devil's Cactus Garden 457 Comment
  UC1929817  Lotus strigosus var. strigosus Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10471 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
  UCR116827  Lotus strigosus var. tomentellus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23928 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  RSA496656  Lotus tomentellus B. Pitzer 1988-3-10 643 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
  RSA774900  Lupinus Duncan S. Bell, Amber Swanson 2011-2-18 2027 Riverside Coachella Valley area; Edom Hill; along Edom Hill Road near dump; 0.6 road miles from junction of Varner Road and Edom Hill Road. 259 Comment
  RSA0042691  Lupinus Henry J. Ramsey, Henry J. Ramsey 1938-4-26 1704 Riverside Cabazon. Comment
  RSA414450  Lupinus argenteus var. tenellus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  POM2549  Lupinus arizonicus I. M. Johnston 1917-4-4 s.n. Riverside Near Palm Springs. 152 Comment
  POM349959  Lupinus arizonicus M. B. Dunkle 1935-3-30 4428 Riverside Pinto Basin, Colorado Desert. 915 Comment
  RSA767266  Lupinus arizonicus Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10895 Riverside Eastern Coachella Valley. Bajada beneath Mecca Hills , just east of Coachella Canal. 24 Comment
  SBBG51129  Lupinus arizonicus N. R. Zabriskie, W. Zabriskie 1973-3-20 591 Riverside Coyote Cyn, tributary to Deep Cyn 365 Comment
  SEINET6180827  Lupinus arizonicus LeRoy Gross, Leland Lubinsky; Victor Steinmann; Linda Worlow 2005-2-17 1407 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region; Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground.; 0 480 Comment
  SJSU1877  Lupinus arizonicus J. W. Tilden 1957-4-18 1093 Riverside near Whiteater, E of San Gorgonio Pass Comment
  UCR1039  Lupinus bicolor subsp. microphyllus J. E. Dimitman 1957-5-18 s.n. Riverside San Jacinto Mountains, Anza Cutoff on Pines to Palms Highway. 1500 Comment
  RSA407119  Lupinus chamissonis Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  UCR241221  Lupinus concinnus Tracy Tennant, Jeffrey Ross 1998-4-9 MOR- 1010 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Wood Canyon, east of upper Potrero Canyon 1305 Comment
  RSA282789  Lupinus concinnus subsp. optatus C. W. Tilforth, B. Busenberg 1980-4-10 1985 Riverside Along north leg of Thomas Mtn. Rd, south of Lake Hmet, Hwy 74. Comment
  RSA87459  Lupinus concinnus subsp. optatus F. W. Peirson 1922-5-19 7721 Riverside Road to Keenes Camp, San Jacinto Mts. Comment
  LA205081  Lupinus excubitus W. B. Welch; 1928-5-5 sn Riverside San Jacinto Mountains, Idyllwild Comment
  LA205095  Lupinus excubitus W. E. Pequegnat; 1939-4-8 27 Riverside Santa Ana Mountains Comment
  LA205096  Lupinus excubitus Elizabeth McClintock; 1938-7-17 sn Riverside San Jacinto Mountains, near Pine Cove Comment
  SEINET2062854 Image available Lupinus excubitus Howard S. Gentry 1954-7-27 14258 Riverside Dripping Springs along route 79 Comment
  SD185222  Lupinus excubitus var. austromontanus T. B. Salvato, John F. Green 2004-5-27 650 Riverside Head of Banning Canyon close to San Bernardino County line, 0.5 mile southeast of Oak Glen Conservation Camp. 1402 Comment
  RSA613448  Lupinus excubitus var. hallii D. L. Banks, Victor W. Steinmann 1997-3-13 1444 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  SEINET269555  Lupinus excubitus var. hallii Scott D. White 1996-5-27 4068 Riverside Jackrabbit Canyon E. of Moreno Valley and S. of Calimesa between state Hwy. 60 and Gilman Spr. Rd. west and north of 518 Comment
  UCR106012  Lupinus excubitus var. hallii D. L. Banks 1997-5-5 1962 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek. Along the S fork of Pechanga Creek 427 Comment
  RSA0118396  Lupinus formosus Lyman Benson 1946-4-15 12012 Riverside 6 miles southeast of Redlands. Mt. Range: San Bernardino. Drainage Area: Pacific Slope. 609 Comment
  RSA413638  Lupinus formosus var. formosus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  RSA413702  Lupinus hirsutissimus N. C. Cooper 1944-6-4 1360 Riverside Elsinore Mountain; Lookout at top. 1067 Comment
  UCR262283  Lupinus hirsutissimus A. C. Sanders 2006-5-13 32284 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  SEINET10485439  Lupinus hyacinthinus David B. Dunn 1946-8-17 Dunn 2714 Riverside Round meadow dry hillside among lodge pole pines. San jacinto mts. Comment
  SD152848  Lupinus longifolius Steve Boyd 1992-4-15 6881 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Bluewater Canyon along Bluewater Trail downstream to the confluence with San Mateo Creek. 334 Comment
  JEPS24416  Lupinus sparsiflorus Peter M. Ray 1949-3-12 1358 Riverside 2 mi w Whitewater (n side of Coachella Valley); , w of Whitewater 457 Comment
  SEINET5584427  Lupinus sparsiflorus Stephen Hale 2010-1 Riverside Along power line, adjacent to State Route 95 120 Comment
  UCR101790  Lupinus sparsiflorus George K. Helmkamp, E. A. Helmkamp 1997-3-5 1324 Riverside 2.8 mi SE of Gilman Hot Springs 518 Comment
  UCR269829  Lupinus sparsiflorus A. C. Sanders, Jim Malusa 2016-3-17 42357 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, along Gasline Road at major wash crossing 1.9 miles south of Bradshaw Trail 675 Comment
  UCR85181  Lupinus sparsiflorus A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16165 Riverside Coachella Valley/San Jacinto Mtns foothills, Coachella Valley: N-facing rocky slope in Chino Canyon along the Palm Springs tram road, 2 mi above Hwy 111 (Palm Canyon Dr.) 612 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
  RSA314652  Lupinus sparsiflorus subsp. sparsiflorus Robert F. Thorne, F. R. Fosberg, Sachet, Herbst 1983-4-23 55500 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  RSA49174  Lupinus sparsiflorus subsp. sparsiflorus Philip A. Munz 1949-4-13 13060 Riverside Cottonwood Springs, west end of Eagle Mountains 1143 Comment
  UCR13087  Lupinus succulentus S. R. Szarek 1971-3-26 s.n. Riverside Elsinore. Alongside Hwy 71, entering town of Elsinore Comment
  CLARK-A1656-750  Lupinus truncatus Theo Glenn 1982-3-21 Riverside Snow Creek Comment
  RSA414396  Lupinus truncatus E. Crow 1929-4-7 300 Riverside Santa Ana Mountains, Corona Skyline Drive. Comment
  RSA586157  Lupinus truncatus D. L. Banks, S. D. Boyd 1995-3-30 0122 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. 726 Comment
  UCR120205  Lupinus truncatus Mitch Provance 1998-3-5 195 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
  UCR177702  Lupinus truncatus Michael Wall, Jett, Perez, and Garcia 1994-6-1 60 Riverside Peninsular Ranges; Perris-Aguanga Basin region, S of Hemet, 0.2 mi west of Benji Lane off Hwy R-3 168 Comment
  UCR87979  Lupinus truncatus G. P. Schultz 1994-3-13 s.n. Riverside Box Springs Mountains, slope above Big Springs Canyon. Comment
  UCR97448  Lupinus truncatus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19867 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  RSA457773  Lycium andersonii Steve D. Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2215 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  POM80076  Lycium brevipes var. hassei Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  UCR85278  Lycium cooperi Bern Schwenn 1994-4-29 s.n. Riverside Mojave Desert, Joshua Tree National Monument: Lost Horse Mtns, SE of Ryan Campground along Calif. Riding and Hiking Trail 1402 Comment
  SBBG70678  Lycium fremontii M. N. Ackley 1928-3-31 981 Riverside Hidden Springs 304 Comment
  RSA0103094  Lythrum californicum Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8546 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  UC56518  Lythrum californicum E. E. Schellenger July, 1901 Riverside Thompsons Springs Comment
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Mar 22 2014
  SDSU19223  Lythrum hyssopifolia Kristen Hasenstab, Dave Bailey 2008-8-7 182 Riverside Santa Margarita Ecological Reserve, within 150m of gaging station at the Gorge river crossing. Plant growing 1m from the edge of the river. 215 Comment
  UCR146485  Machaeranthera asteroides Scott D. White, Angelia Carey 2004-9-16 10764 Riverside San Jacinto Mountain foothills, San Jacinto River wash and adjacent alluvial benches; near Indian Creek confluence 534 Comment
  CLARK-A1528-2001  Machaeranthera cognata John C. Roos 1947-1-2 3226 Riverside Painted Canyon Comment
  RSA526489  Madia gracilis Steve Boyd, Timothy S. Ross 1990-5-11 4686 A Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  UCR261217  Malacothamnus densiflorus A. C. Sanders, Jeff Crain 2015-5-20 41741 Riverside Temesal Canyon, Temescal Creek at I-15 bridge, 2.2 km west of Lake St. at Alberhill 363 Comment
  CSUSB1446  Malacothamnus fasciculatus Dean Jones 1966-2-25 Riverside Along creek a few a hundred yards past the road, in canyon, south of Stone Face, in Riverside. 365 Comment
  POM362257  Malacothrix californica N. C. Cooper 1944-4-23 1153 Riverside Cabazon 457 Comment
  CAS-BOT-BC347689  Malacothrix glabrata L. R. Abrams 1926-3-25 11001 Riverside Near Banning Comment
  POM184719  Malacothrix glabrata C. L. Hitchcock 1932-4-7 12212 Riverside 5 miles S of Cottonwood Springs, East Riverside County Comment
  RSA33851  Malacothrix glabrata N. C. Cooper 1944-4-23 1153 Riverside Cabazon 457 Comment
  RSA727393  Malacothrix glabrata Naomi Fraga, Lisa Rojas 2005-2-10 1385 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  RSA760820  Malacothrix glabrata Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-3-30 111 Riverside Coachella Valley Preserve, near mouth of Thousand Palms Canyon. Jct of Ramon Rd and Thousand Palms Canyon Rd. 91 Comment
  RSA335011  Malvella leprosa Steve Boyd 1985-8-7 1120 Riverside Santa Rosa Plateau Region, NW base of Redonda Mesa on Tenaja Road, 0.8 mile east of jct with 8S01 and 8S02. Comment
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Feb 26 2013
  UCR89825  Malvella leprosa Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  POM285601  Mammillaria dioica Lyman Benson 1952-3-23 14844 Riverside Mountainsides above Cathedral City on the Palms-to-Pines Highway. Mt. Range San Jacinto. 701 Comment
  CAS-BOT-BC216181  Marina parryi C. L. Hitchcock 1966-3-21 s.n. Riverside Mule Mts., 20 mi. s.w. of Blythe, in wash Comment
  UC1287111  Marina parryi C. L. Hitchcock 1966-3-21 24327 Riverside 20 mi sw Blythe; Mule Mts. Comment
  SEINET10489470  Marina parryi Noel H. Holmgren, Patricia K. Holmgren 1973-3-21 Holmgren 6426 Riverside Big maria mtns, 12 airline mi n of downtown blythe. T4s, r22e, sec 35. Locally Common gravelly wash bank. Wings and keel purple, the banner yellow, turning Red. 290 Comment
  SD137726  Marrubium vulgare Darin L. Banks, Steve Boyd 1995-5-3 230 Riverside Cleveland National Forest, east of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  CAS-BOT-BC71089  Marsilea vestita Robert F. Thorne; E. Lathrop; P. Munz 1968-5-8 37566 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California 670 Comment
  RSA234066  Marsilea vestita R. F. Thorne, E. Lathrop 1969-5-19 37958 Riverside Santa Rosa Plateau: margin of N end of large vernal marsh, Mesa de Colorado, Rancho California. 624 Comment
  CLARK-A1528-2858  Medicago polymorpha John C. Roos 1952-4-9 5487 Riverside Fairmont Park Comment
  RSA180237  Medicago polymorpha E. W. Lathrop 1965-4-18 5653 Riverside 10 miles west of Murrieta. Comment
  SBBG64311  Melica frutescens C. Bornstein 1994-5-2 Riverside Randolph Ranch, Joshua Tree Nat Monument 1280 Comment
  UCR24057  Melica frutescens John C. Roos, Lucille Roos 1949-4-23 4283 Riverside Sonoran (Colorado) Desert, Lost Palms Wash, Eagle Mountains 823 Comment
  RSA0062499  Melica imperfecta J. M. Andre 2012-6-15 30520 Riverside San Jacinto Mountains: Along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest. 1308 Comment
  RSA180508  Melica imperfecta E. W. Lathrop 1965-5-9 5722 Riverside 6 miles W of Murrieta Comment
  RSA342046  Melica imperfecta R. F. Thorne, WA Tilforth, L. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54083 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  UCR117082  Melica imperfecta A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24204 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  UCR41432  Melilotus albus Scott Cantrell, W. Appleby 1985-9-19 s.n. Riverside Santa Ana River Regional Park. south side of the river 207 Comment
  UCR20709  Melilotus indicus A. C. Sanders, Steve Boyd 1980-5-2 1425 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UC64493  Mentzelia affinis H. M. Hall 1897-3-10 Riverside San Jacinto Lake Comment
  JEPS41174  Mentzelia dispersa Carl V. Meyer June 1927 192 Riverside Slope of ravine below Saunders Meadow. [Idyllwild added in pencil] Comment
  RSA0043029  Mentzelia involucrata Duncan S. Bell, Loraine Washburn 2014-4-8 6575 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern/central section of range; approximately 2.25 air miles north of Clemens Well and Bradshaw Trail. 495 Comment
  UC217974  Mentzelia involucrata P. A. Munz, D. Keck 1922-4-13 4940 Riverside Colorado Desert, Eagle Mtns. 243 Comment
  UC68736  Mentzelia involucrata H. M. Hall Apr. 1905 5803 Riverside 10 m w Coachella; Colorado Deseret 91 Comment
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Sep 11 2011
  UCR133533  Mentzelia involucrata E. K. Balls 1949-4-2 12896 Riverside Sonoran (Colorado) Desert, between Mecca and Mortmar on Hwy 111 -61 Comment
  UCR214298  Mentzelia involucrata A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37471 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
  UCR217792  Mentzelia involucrata Jim Andre, T. La Doux 2010-2-28 12551 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
  UCR244306  Mentzelia involucrata Jim Andre 2012-4-16 20886 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
  RSA49187  Mentzelia involucrata var. megalantha P. A. Munz 1949-4-12 13032 Riverside North base of Eagle Mts., Mojave Desert. 945 Comment
  UCR123754  Mentzelia involucrata var. megalantha Steven R. Hill 2001-4-29 33541 Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  PASA1550  Mentzelia laevicaulis Margaret Stason 1931-5-24 Riverside Road to Idyllwild near base Comment
  UC724205  Mentzelia longiloba Aven and Ruth Nelson 1939-3-30 3336 Riverside near Desert Center (hiway 60) Comment
  SD181456  Mentzelia montana Scott D. White, Bill LaHaye 2000-5-27 7962 Riverside San Jacinto Mountains, Baldy Mountain area; Idyllwild [quad]. 1616 Comment
  UCR205968  Mentzelia obscura Scott D. White, Michael Honer 2003-4-30 9137 Riverside Sonoran (Colorado) Desert, Shavers Valley, about 1-2 mi SW of unnamed freeway exit at pumping station 457 Comment
  CAS-BOT-BC435295  Mesembryanthemum nodiflorum A. C. Sanders; K. C. Rose 1998-5-21 21853 Riverside Hemet: alkaline flats west of town, E of the canal, S of Hwy 74 (Florida) and ca. 1/4 mi. W of Warren Rd. 457 Comment
  UCR112326  Microseris douglasii subsp. douglasii A. C. Sanders, K. C. Rose 1998-5-21 21860 Riverside Hemet, Alkaline flats west of town, east of the canal, south of Hwy 74 (Florida) and c. 1/4 mi. west of Warren Rd. 457 Comment
  UCR228259  Microseris douglasii subsp. douglasii A. C. Sanders, T. B. Salvato 2011-4-1 38936 Riverside Peninsular Range, Lake Elsinore area, near Alberhill, Baker St., SW side at dirt road crossing, c. 270 ft. SE of intersection with Pierce St. 385 Comment
  RSA85097  Microseris heterocarpa J. C. Roos 1952-4-2 5457 Riverside at Edgemont, near Box Springs 488 Comment
  UCR241392  Microseris heterocarpa T. B. Salvato, Mike Landers 2013-3-21 7377 Riverside Perris-Aguanga Basin, Murrieta, between Hwy 215 and State Route 79 (Winchester Rd), 0.23 mi east of the intersection of Keller Rd and Menifee Rd 470 Comment
  UCR281579  Microseris lindleyi Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-5-31 517- 117 Riverside Gavilan Hills, Alberhill Canyon, dirt road portion of Lake St., about 0.8 miles N of Hwy. 15 at Alberhill. 457 Comment
  RSA0018772  Mimetanthe pilosa Scott D. White, Julie Greene 1998-8-1 6974 Riverside Idyllwild Area: Roadside uplands and meadows within residential community above/parallel to E bank of Strawberry Creek between crossing at Circle Drive and Humber Park. 1829 Comment
  SEINET8732073 Image available Mimetanthe pilosa Peter Kamb 1950-1 1932 Riverside Hall Canyon; San Jacinto Mts. 1646 Comment
  UC1979589  Mimulus aurantiacus D. L Banks, Steve Boyd 1995-6-2 0560 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N peak of Agua Tibia Mountain; On the Woodchuck Trail N of the Riverside County boundary, approximately 1/4 miles S of the clay grassland in section 32. Comment
  OBI52755  Mimulus aurantiacus var. pubescens B. Pitzer and A. C. Sanders, A. C. Sanders 1987-4-21 495 Riverside Box Springs Mts, near Southernmost radio towers (Riverside East 7.5' Quad: T 2S, R4W, SE1/4 sec 27) 792 Comment
  POM8480  Mimulus aurantiacus var. pubescens I. M. Johnston 1920-5-8 2289 Riverside Butte west of Lakeview. 610 Comment
  RSA27880  Mimulus aurantiacus var. pubescens C. L. Hitchcock 1940-4-12 6044 Riverside 8 mi. northwest of Elsinore 457 Comment
  UC1039776  Mimulus aurantiacus var. pubescens Herbert L. Mason 1926-5-2 3190 Riverside Aguanga Valley Comment
  RSA496731  Mimulus aurantiacus var. pubescens B. Pitzer, A. C. Sander 1987-4-21 495 Riverside Box Springs Mtns, near southernmost radio towers 793 Comment
  UCD122360  Mimulus aurantiacus var. puniceus Geoffrey Levin 1975-4-26 484 Riverside Mayhew Canyon Wash 1.5 mi. SE of Glen Ivy on Highway 71. Drainage Area: Pacific Slope. 335 Comment
  RSA510031  Mimulus aurantiacus var. puniceus B. Pitzer, E. Misqez 1988-2-28 631 Riverside 2 mi s of Rancho California Road (sw of Murrieta, Walker Basin, Avenida del Oro); Walker Basin, Avenida del Oro. Comment
  RSA510032  Mimulus aurantiacus var. puniceus B. Pitzer, E. Misqez 1988-2-28 632 Riverside 2 mi s of Rancho California Road (sw of Murrieta, Walker Basin, Avenida del Oro); Walker Basin, Avenida del Oro. Comment
  UCR146442  Mimulus bigelovii var. bigelovii R. F. Thorne, Et al. 1969-6-24 38096 Riverside San Jacinto Mtns., San Bernardino National Forest, above James Reserve in Hall Canyon 1677 Comment
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May 11 2019
  RSA618389  Mimulus brevipes D. L. Banks 1997-5-5 1974 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  UC310840  Mimulus brevipes Philip A. Munz 1925-5-20 9821 Riverside 2 mi w Dripping Spring 426 Comment
  CLARK-A1528-4244  Mimulus floribundus E. W. Lathrop 1966-6-1 6359 Riverside Tenaja Range Comment
  UCR241222  Mimulus floribundus Tracy Tennant, Jeffrey Ross 1998-7-11 MOR- 520 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper end of Hathaway Canyon at Burro Flat 1113 Comment
  UCR108857  Mimulus fremontii Heidi A. Haid 1968-5-8 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  RSA717679  Mimulus guttatus A. C. Sanders 2004-5-5 27781 Riverside Gavilan Hills; route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, ca. 0.25 mi. NNW of Harford Spring, ca. 1.2 mi. NE of Gavilan Peak. 579 Comment
  UC886215  Mimulus guttatus I. W. Clokey 1935-8-21 6906 Riverside Hemet Lake 1220 Comment
  UCR111599  Mimulus guttatus Mitch Provance 1998-4-8 1774 Riverside City of Riverside, Arroyo Tequesquite, NE side of proposed 'Andulka Park' just west of the corner of Chicago and Central Avs. 305 Comment
  UCR15997  Mimulus guttatus S. Nelson 1974-5-9 s.n. Riverside Santa Ana River Park 244 Comment
  UCR18441  Mimulus guttatus J. Olmstead 1966-4-27 s.n. Riverside Santa Rosa Mtns, Deep Canyon drainage: Deep Canyon between road end and first falls 610 Comment
  UC27063  Mimulus moniliformis H. M. Hall 1897-8-11 805 Riverside San Jacinto Mountains Comment
  UCR110973  Mimulus parishii George K. Helmkamp 1998-6-27 4100 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  UCR77578  Mimulus parishii Steve Boyd, T. S. Ross 1991-6-8 6327 Riverside San Jacinto Mtns., Pinyon Flats area near Ribbonwood. White calcareus outcrop forming small hill north of Hwy 74 Comment
  CLARK-A1528-4266  Mimulus pilosus Pete Holliday 1969-5-19 71 Riverside Riverside Comment
  UCR89250  Mimulus pilosus Scott D. White 1995-9-22 3679 Riverside San Jacinto Valley, March Air Force Base, west of Plummer St. and south of Cactus Ave., 0.7 mile west of 215 Fwy. 460 Comment
  CAS-BOT-BC9540  Mimulus rubellus H. M. Hall 1900-6-1 1458 Riverside Lytle Creek Canyon, San Antonio Mountains 1828 Comment
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May 11 2019
  UC27010  Mimulus tilingii H. M. Hall Jul. 1901 2472 Riverside Tauquitz Valley San Jacinto Mountains 2590 Comment
  JOTR29224  Mirabilis albida La Doux, Tasha, Mike Bell 2005-9-15 1337 Riverside Joshua Tree National Park. Near Hidden Valley campground Comment
  UCR41222  Mirabilis bigelovii N. M. Fellows 1985-3-16 114 Riverside San Jacinto Mtns., Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mts, 1 mile west of Snow Creek Village 489 Comment
  SDSU8463  Mirabilis bigelovii var. retrorsa A. H. Gallup 1949-3-28 362 Riverside Palms to Pines Hwy. above Desert Center [interpreted to be Palm Desert]. On dry slopes, east slope, Colorado Desert drainage area, San Jacinto Mt. Range 762 Comment
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Jan 30 2013
  UCR107394  Mirabilis californica B. G. Pitzer 1997-3-23 2949 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
  RSA0048454  Mirabilis froebelii N. Kiner 1954-5-16 s.n. Riverside Pines to Palms Highway. 1066 Comment
  UCR176753  Mirabilis laevis Jennie Phui 1998-5-30 041 Riverside San Bernardino Mtns./San Gorgonio Pass, Morongo Indian Reservation, eastern fork of Lion Canyon, 3 miles up Lion Canyon road north of I-10 Fwy 600 Comment
  RSA464824  Mirabilis laevis var. crassifolia Ora M. Clark 1929-3-2 1592 Riverside Near Alberhill Comment
  RSA464823  Mirabilis laevis var. retrorsa N. C. Cooper 1949-4-24 3643 Riverside Devil s Cactus Garden, Colorado Desert. 244 Comment
  POM293604  Mohavea confertiflora Lyman D. Benson 1945-3-29 11633 Riverside Canyon on Palm Springs Road, Colorado Desert, Little San Bernardino Mountain. 610 Comment
  RSA136564  Mohavea confertiflora Peter H. Raven 1959-1-23 11432 Riverside Desert alluvial fan of Fargo Canyon. Comment
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Jun 9 2012
  RSA408766  Mohavea confertiflora H. C. Ackley 1926-02 s.n. Riverside Shavers Well, Colorado Desert. Comment
  RSA444464  Mohavea confertiflora J. C. Roos 1966-3-20 s.n. Riverside Wash 2 miles SE of Desert Center Comment
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Aug 22 2011
  UC1595755  Mohavea confertiflora W. Wisura, J. Dolan, M. Wall 1992-3-24 4628 Riverside 10 mi NE of Mecca on Box Canyon Road Comment
  RSA356611  Mollugo cerviana Robert F. Thorne 1966-10-15 41808 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  SD233870  Monardella A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24608 Riverside Mojave Desert, Little San Bernardino Mtns: Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airlilne) SW from park road in Lost Horse Valley. 1341 Comment
  CAS-BOT-BC220028  Monardella breweri subsp. lanceolata Winifern W. Swarth 1914-9-10 s.n. Riverside Strawberry Valley, San Jacinto Mts. 1828 Comment
  POM12899  Monardella lanceolata var. lanceolata P. A. Munz 1922-7-3 5945 Riverside [Unspecified] 1372 Comment
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Oct 8 2011
  RSA234082  Monardella lanceolata var. lanceolata Robert F. Thorne 1969-6-6 39328 Riverside Santa Rosa Plateau: Rancho California. 610 Comment
  RSA561875  Monardella lanceolata var. lanceolata Steve Boyd, T. S. Ross 1992-6-10 7634 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about Potrero Escondido.', An isolated area of low relief topping the ridge system due west of the junction on Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek. 671 Comment
  IRVC2054  Monardella linoides subsp. linoides R. H. Whittaker, W. A. Niering 1963-6-7 SJ 280 Riverside Santa Rosa Mtns: Palms to Pines Hwy. Peninsular Ranges 1098 Comment
  JEPS63359  Monardella nana W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1336 Riverside Palm Canyon and return to Van Deventer's Comment
  UC1499904  Monardella nana Elizabeth McClintock 1941-6-8 64 Riverside Road to Santa Rosa Mt., 2 1/2 miles above Pines to Palms Highway Comment
  RSA401634A  Monardella nana subsp. arida Robert Gustafson, Gary D. Wallace 1982-5-19 2574 Riverside Pines to Palms Hwy. (Hwy. 74), in the vicinity of Ribbonwood. Comment
  RSA651651  Monardella nana subsp. arida Elizabeth McClintock, M. McClintock, D. Weiner 1941-7-11 99 Riverside Black Mountain, 3/4 mile beyond the snow gate. Comment
  RSA651652  Monardella nana subsp. arida Elizabeth McClintock, H. Lewis 1941-6-29 75 Riverside Santa Rosa Mt. 4.5 miles above Pines to Palms Hwy, in canyon where stream crosses road. Comment
  UC25477 Image available Monardella nana subsp. arida H. M. Hall June 1901 2127 Riverside Coyote Canyon San Jacinto Mountains, Santa Rosa Mountain; Coyote Canyon, Santa Rosa Mountain, San Jacinto Mts. 1524 Comment
  UCR221470  Monardella nana subsp. arida Elizabeth McClintock 1941-7-21 127 Riverside Peninsular Range; San Jacinto Mtns., trail to Hidden Lake, along rocky slopes of switchbacks 2439 Comment
  SEINET10582210  Monardella nana subsp. nana A. Graff 1993-6-24 Graff 50 Riverside San Bernadino National Forest, Thomas Mtn. Go ca. 50 yds. past the former lookout tower site on Thomas Mtn. summit. Monardella nana is off the road, to the right ca. 75 yds. T6S,R3E,S29. Need USNFS permission to collect. Small, dense, population growing among the rocks in clearing, surrounded by Pinus ponderosa, Abies concolor, Calocedrus decurrens, Quercus chrysolepis, with Eriogonum fasciculatum, Lupinus sp., Gutierrezia sp., Galium andrewsii, Bromus sitchensis, Ribes roezlii. Mid-bloom. Comment
  RSA750286  Monardella nana subsp. tenuiflora Elizabeth McClintock, D. Weiner 1941-7-11 94 Riverside Banning-Idyllwild road. 3/4 mile beyond Stone Creek. Comment
  JOTR30839  Monardella robisonii La Doux, Tasha, Jim Andre 2008-9-16 349 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
  UCR121353  Monardella robisonii A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24608 Riverside Mojave Desert, Little San Bernardino Mtns, Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1372 Comment
  RSA0124042  Monoptilon bellioides Duncan S. Bell, LeRoy Gross 2016-3-10 8890 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
  RSA692205  Monoptilon bellioides Scott D. White, Michael Honer 2003-5-14 9284 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  UC1786301  Monoptilon bellioides Dale E. Johnson with J. L. Strother 1974-4-25 98 Riverside Palm Desert, wash just NW of turnoff to Hemet on California 111 (Palm Springs-Banning rd). Comment
  UC84198  Monoptilon bellioides C. R. Orcutt April, 1887 Riverside Colorado Desert Comment
  POM12714  Montia chamissoi P. A. Munz 1922-7-6 5994 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  RSA543620  Montia fontana Steve Boyd 1991-5-7 6155 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  UC472730  Muhlenbergia microsperma Mary F. Spencer 1921-5-28 1695 Riverside Saboba Hot Springs San Jacinto 786 Comment
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Apr 1 2013
  JOTR30811  Muhlenbergia porteri Andre, Jim, Tasha La Doux 2008-9-16 10689 Riverside Joshua Tree National Park. along Bell Mountain Rd. atop Bell Mountain, approximately 0.3 miles north of radio tower. Queen Mountain USGS 7.5 min quad Near 34 00.35' N 116 00.017' W 1358 Comment
  RSA775343  Muilla maritima Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5017 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
  UCR178011  Muilla maritima T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 609 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  UC217987  Myosurus minimus subsp. apus P. A. Munz and I. M. Johnston 1922-5-19 5379 Riverside Menifee Valley 411 Comment
  UCR281283  Myosurus minimus var. apus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 16 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
  SD82647  Myriopteris parryi Louis C. Wheeler 1933-12-2 2305 Riverside Mouth of Tahquitz Canyon near Palm Springs 142 Comment
  RSA688860  Nama demissa Scott D. White, Michael Honer 2003-5-13 9245 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon washWhitewater Canyon, ca. 2 miles north of Bonnie Bell. 579 Comment
  UCD119569  Nama demissa var. demissa William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  RSA27707  Nama demissa var. deserti C. L. Hitchcock 1940-3-29 5866 Riverside Cottonwood Canyon, ca. 100 yards east of Spring. Comment
  UC2061796  Nama pusilla Susan Fawcett, B. G. Baldwin 2017-5-14 767 Riverside Corn Springs, Chuckwalla Mountains. Comment
  POM10017  Nassella cernua C. F. Baker 1909-05 s.n. Riverside Fairmont Hill. Comment
  RSA586486A  Nassella cernua D. L. Banks, Steve Boyd 1995-5-9 343 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
  RSA614424  Nassella cernua D. L. Banks 1997-3-29 1557 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border;, west of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  UCD88062  Nassella cernua A. C. Sanders; Mark Elvin, Julie M. Vanderwier 2002-4-22 24985 Riverside upper Laborde Canyon, SW of Beaumont. 670 Comment
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Apr 2 2011
  RSA263718  Nassella lepida E. W. Lathrop 1966-5-26 6343 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  UC1537220  Nassella lepida Gordon H. True 1935-3-11 93 Riverside Mockingbird Canyon Comment
  SEINET225791  Nassella pulchra E. W. Lathrop 1959-5-29 4587 Riverside Cleveland National Forest ; 14 miles West of Murrieta Tenaja Canyon. 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
  UCR121209  Navarretia atractyloides D. E. Bramlet 1990-4-27 1994 Riverside Peninsular Range; Perris-Aguanga basin region, ridgeline south of Diamond Valley, NW of Crown Valley, 600 ft. west of access road 665 Comment
  UCR157964  Navarretia atractyloides T. B. Salvato, A. C. Sanders 2005-5-17 930 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
  UCR229515  Navarretia intertexta Jeremiah George 2011-9-15 s.n. Riverside Peninsular Range; Elsinore Trough, Lake Elsinore area, south of Nichols Rd. and east of Baker St. 387 Comment
  JOTR29379  Nemacladus glanduliferus La Doux, Tasha, Mike Bell 2006-5-10 1456 Riverside Joshua Tree National Park. Little San Bernardino Mountains; East Deception Canyon Comment
  SEINET10458412  Nemacladus longiflorus Spencer Spencer 1728 Riverside Comment
  UCR59527  Nemacladus longiflorus var. longiflorus Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3600 Riverside Butterfield Valley, Vail Lake area, Kolb Creek drainage, N extension of Woodchuck Road, north of Hwy 79 489 Comment
  RSA0126316  Nemacladus longiflorus var. longiflorus Steve Boyd 1986-4-19 1700 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road. Comment
  RSA0126341  Nemacladus longiflorus var. longiflorus E. C. Jaeger 1921-7-7 1178 Riverside Tahquitz trail. Comment
  RSA487534  Nemacladus orientalis B. Pitzer 1988-3-10 647 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
  RSA591746A  Nemacladus orientalis J. C. Roos 1966-3-26 s.n. Riverside 2 mi S.E. of Desert Center. Comment
  UCR138569  Nemacladus orientalis Steve Boyd, Orlando Mistretta 1986-3-13 1460 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  JEPS5404  Nemacladus pinnatifidus W. L. Jepson 1928-4-25 12601 B Riverside Cottonwood Springs; Colorado Desert, Eagle Mountains Comment
  OBI42566  Nemacladus ramosissimus A. C. Sanders & B. Pitzer, B. Pitzer 1986-4-30 6481 Riverside San Jacinto Mts, upper Bee Cyn along the road, 1.3 mi aobve the mouth of the cyn at the San Jacinto River valley 671 Comment
  UCR281483  Nemacladus ramosissimus Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-4-4 417- 90 Riverside Gavilan Hills, SCE transmission route (projected) 0.6 miles NNW of Lake St. and Walker Canyon Rd. 152 Comment
  UCR44436  Nemacladus ramosissimus A. C. Sanders, B. Pitzer 1986-4-30 6481 Riverside San Jacinto Mtns, upper Bee Canyon along the road, 1.3 mi. above the mouth of the canyon at the San Jacinto River Valley 732 Comment
  JOTR33970  Nemacladus tenuis var. aliformis La Doux, Tasha, M. Harding 2010-4-7 2858 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  RSA75150  Nemacladus tenuis var. tenuis H. K. Wagnon 1944-5-20 387 Riverside Tachevah canyon, Palm Springs. Comment
  UCR17340  Nemacladus tenuis var. tenuis Anna Mayers 1978-4-24 s.n. Riverside San Jacinto Mtns, 1.6 km west of Hwy 111 on Chino Canyon Road, outside Palm Springs Comment
  RSA421345  Nemophila menziesii M. M. Thompson 1947-6-9 c 2071 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA421354  Nemophila menziesii M. B. Dunkle 1935-3-3 4341 Riverside San Juan Canyon. 762 Comment
  RSA670724  Nemophila menziesii Bonnie C. Templeton, I. W. Clokey 1930-4-9 1022 Riverside North of Banning 457 Comment
  JOTR31049  Nemophila menziesii var. integrifolia La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2032 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lower Covington Flats; STOP 1: drainage heading toward Smithwater Canyon, rocky canyon with narrow sandy bottom Comment
  CSUSB122  Nemophila menziesii var. menziesii Kenneth Hibberd 1966-2-20 Riverside Arlington Ave., 1 mile east of Victoria Street, 100 yards south of road. City of Riverside. 304 Comment
  UC520128  Nicotiana attenuata Carl Epling 1932-6-25 Riverside Vandeventer Flat; San Jacinto Mts. Comment
  RSA593999  Nicotiana glauca D. L. Banks, Elizabeth Hedge Banks 1996-5-2 942 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along the broad alluvial benches just to the SE of the gate to the Preserve. 448 Comment
  HSC21284  Nicotiana obtusifolia L. S. Rose 1967-12-19 67182 Riverside La Quinta 15 Comment
  UC26173  Nicotiana obtusifolia S. B. Parish Apr 4 1896-Apr 13 1896 4133 Riverside Palm Springs (Agua Caliente) San Jacinto Mt. (desert base of San Jacinto Mt.) 152 Comment
  UC520043  Nicotiana obtusifolia A. N. Dunn and A. M. Martin 1932-3-26 Riverside Box Canyon Comment
  UCD126750  Nicotiana obtusifolia Lionel A. Stange 1956-3-31 s.n. Riverside 18 miles east of Mecca on State Highway 195. Comment
  RSA0018755  Nicotiana obtusifolia Kraemer 1929-3-17 s.n. Riverside S. La Quinta. Comment
  UCR23749  Nicotiana quadrivalvis John C. Roos, L. Roos 1952-6-21 5782 Riverside Pass between Reche Canyon and Morneo Valley, 4 mi NW of Moreno. 686 Comment
  SD40821  Nolina bigelovii Carl B. Wolf 1932-10-13 Riverside Colorado desert; Eagle Mountains; 0.5 mile before Cottonwood Springs Comment
  POM888  Notholaena californica subsp. leucophylla G. Ross Robertson 1904-1 s.n. Riverside E. Riverside Co. desert. Comment
  CAS-BOT-BC171492  Oenothera californica Richard Snow 1957-4-1 318 Riverside Sandy field 11 miles west of Riverside on Highway 60 Comment
  JOTR30053  Oenothera californica subsp. avita La Doux, Tasha, Jade Mohajerin 2006-10-12 1663 Riverside Joshua Tree National Park. Geo Tour Road, in the area burned in July 2006 Comment
  UC1930021  Oenothera californica subsp. californica Scott D. White, Justin Wood 2008-5-15 11972 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom Comment
  SEINET10492356  Oenothera chamaenerioides David B. Dunn 1946-3-17 Dunn 2095 Riverside Only plant seen. In ravine on plateau to the e of the springs and main palm group in pushawalla canyon. Indio hills. Comment
  UC1234605  Oenothera deltoides subsp. deltoides David P. Gregory 1960-3-20 360 Riverside across r.r. from Thousand Palms Comment
  UCR211716  Oenothera laciniata Fred M. Roberts 2005-5-19 6262 Riverside Perris Basin, San Jacinto Valley, city of San Jacinto, east of Sanderson Road and south of the Ramona Expressway, 2.6 km south-southwest of Gilman Hot Springs 446 Comment
  SEINET7909439  Oenothera scapoidea P. L. Packard 1976-1 Riverside 6 mi W of Blythe, Interstate 10 Comment
  UCSB4343  Oenothera sinuosa Koran, John 1958-4-14 Riverside 14.2 mi. W. of HWY111 on HWY 74; just outside of Palm Desert 609 Comment
  UCR112586  Olea europaea Mitch Provance, Seychelle Provance 1998-2-17 89 Riverside Jurupa Mountains, Jensen Quarry; Sunnyside area on W side of Sierra Blvd, c. 0.2 miles NW of the corner of Scenic Dr. and 34th St. 348 Comment
  RSA784726  Oligomeris linifolia Duncan S. Bell 2012-3-18 3213 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  SBBG104704  Oligomeris linifolia T. Glenn 1991-5-2 91 -34 Riverside McCoy Mtns NW of Blythe Comment
  UC68557  Oligomeris linifolia H. M. Hall Apr., 1905 5909 Riverside Mule Springs; Colorado Desert, Mule Springs Comment
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Sep 11 2011
  UCR68715  Oligomeris linifolia Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4574 Riverside Agua Tibia Mtns., Vail Lake area, steep SE flank of Oak Mountain, above NE end of lake. 549 Comment
  POM171281  Olneya tesota I. M. Johnston 1930-6-15 3786 Riverside Southeastern end of Eagle Mts. Comment
  UCR18944  Olneya tesota John C. Roos 1965-12-4 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, 2 mi. SE of Desert Center 366 Comment
  UCR87649  Olneya tesota A. C. Sanders 1994-6-1 14622 Riverside Sonoran (Colorado) Desert, Box Canyon in the Mecca Hills, c. 4.5 mi below Shaver's Well, 12 mi southwest of the Box Canyon Road intersection with Hwy I-10 150 Comment
  RSA799666  Oncosiphon piluliferum LeRoy Gross, Bart O'Brien 2013-3-18 5950 Riverside Fairmount Park, west side of Lake Evans. Riverside. Northeast of Mount Rubidoux. 238 Comment
  UCR279368  Oncosiphon piluliferum A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41500 Riverside San Gorgonio Pass, north of San Gorgonio River wash, c. 3 miles east of Cabazon, south of I-10 and generally NE of water bottling plant 457 Comment
  RSA709916  Opuntia basilaris var. basilaris Leland Lubinsky, LeRoy Gross, Victor Steinmann 2005-2-17 s.n. Riverside Chuckwalla Mountains: Along wash above Corn Springs Campground., Between N33deg 37' 15'', W115deg 19' 39'' and N33deg 36' 52, W115deg 19' 54. 503 Comment
  POM83402  Opuntia parryi J. W. Toumey 1895-05 s.n. Riverside Banning. Comment
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Mar 21 2011
  RSA20704  Opuntia polyacantha var. erinacea C. B. Wolf 1938-6-11 9419 Riverside San Jacinto Mountains, Palms to Pines Highway, at Ribbonwood. 1067 Comment
  RSA22795  Opuntia polyacantha var. erinacea C. B. Wolf 1939-9-29 9459 Riverside Desert slopes of San Jacinto range. Upper edge of Pinon Flats on the Palms-Pines Road. 1220 Comment
  JEPS18058  Orcuttia californica Frank W. Peirson 1922-5-19 3020 Riverside Menifee Valley 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
  CAS-BOT-BC355580  Oreostemma alpigenum var. andersonii F. Grinnell Jr. 1908-7-1 s.n. Riverside Tahquitz Valley 2438 Comment
  UC218173  Oreostemma alpigenum var. andersonii P. A. Munz 1922-9-5 6364 Riverside meadow n of Tahquitz Valley; San Jacinto Mts. 2225 Comment
  SBBG7247  Orobanche cooperi H. and M. Dearing 1937-4-10 1121 Riverside 10 mi N of Indio Comment
  RSA0059251  Orobanche parishii John C. Roos 1948-5-15 3848 Riverside Upper Lost Palms Canyon, Eagle Mts., Colorado Desert. Comment
  UC1333287  Osmadenia tenella Charles B. Fiker 1946-6-17 3591 Riverside San Mateo Canyon Comment
  RSA434256  Paeonia californica Christopher Davidson 1973-4-1 1805 Riverside Agua Tibia Mountains. Highway 71/79 approximately 7 miles from junction of US 395 South. 412 Comment
  RSA434266  Paeonia californica Ora M. Clark 1929-3-2 1627 Riverside Near Elsinore. Comment
  CAS-BOT-BC327930  Palafoxia arida Ira L. Wiggins; Dorothy B. Wiggins 1966-2-22 20460 Riverside Along Hwy 60, 1.5 mi SE of Garnet Hill. Comment
  CAS-BOT-BC327932  Palafoxia arida Walter Knight; Irja Knight 1968-11-17 2585 Riverside 2.8 mi N of junction of Bradshaw Stage Road and Imperial Gas Line Road. Access from Indio-Blythe Hwy via Red Cloud Road. Comment
  SBBG65761  Palafoxia arida R. Hoffmann 1928-10-21 Riverside below Fig Tree John's [Figtree John Spring] -60 Comment
  SBBG65762  Palafoxia arida M. N. Ackley -Feb-1926 256 Riverside near Edom 64 Comment
  SEINET10799059  Palafoxia arida Billy Joe Cox 1975-4-23 Cox 4133 Riverside Palo Verde, 1-3 km W, (ca. 32 m S of Blythe); Riverside-Imperial counties. 70 Comment
  POM363738  Palafoxia arida var. arida Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  UCR92427  Palafoxia arida var. arida E. R. Blakley 1993-5-20 7566 Riverside Sonoran (Colorado) Desert, W of roadside rest area at jct of Hwy 19 and road S to Wiley's Well, c. 15 mi west of city of Blythe Comment
  RSA678977  Panicum acuminatum var. acuminatum Scott D. White, Michael Honer 2003-6-3 9494 Riverside Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  RSA709864  Panicum acuminatum var. acuminatum Scott D. White, Jennifer H. Jones 2005-5-25 11112 Riverside Rainbow area; mountain foothills west of I-15 Freeway and immediately N of San Diego County line. 335 Comment
  RSA0020038  Panicum hirticaule Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6010 Riverside Chuckwalla Valley; south side of Interstate 10, approximately 16 air miles west of Blythe and about 2 air miles southeast of Wileys Well. 122 Comment
  UCR33677  Panicum hirticaule subsp. hirticaule Sears 1977-10-12 S 585 Riverside Sonoran (Colorado) Desert, 20 mi. east of Desert Center, 10 mi. east of Corn Springs exit 134 Comment
  SD217341  Papaver californicum Steve Boyd, Tim Ross 1990-5-11 4629 Riverside Vail Lake area, base of Agua Tibia Mountain, east of Dripping Springs campground of Cleveland National Forest, South of Highway 79. 548 Comment
  HSC66618  Parietaria floridana Josephine Jones, Christopher Davidson 1980-4-4 9942 Riverside West end of Orocopia Mtns., in small canyon and wash due S of Oro Pk. 518 Comment
  SEINET939470  Parkinsonia florida P. A. Munz 1947-1 11722 Riverside 4 miles northwest of Desert Center, on Aqueduct Road. Comment
  SD96353  Pectis papposa var. papposa David Keil 1975-8-27 K 10994 Riverside 8 miles west of Desert Center along I-10 Comment
  UCD134925  Pectis papposa var. papposa G. L. Webster; R. Hildreth 1966-12-10 7465 Riverside Joshua Tree National Monument, near Cottonwood Canyon. 701 Comment
  UCR241927  Pectocarya A. C. Sanders, John F. Green 2013-3-27 40685 Riverside Peninsular Range, Alberhill, dirt track NE of new section of Nichols Rd. south of Lake St. 433 Comment
  JEPS20707  Pectocarya heterocarpa Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13251 Riverside 11.3 mi n Blythe; US Hwy 95 Comment
  POM36803  Pectocarya heterocarpa P. A. Munz 1932-3-14 11993 Riverside Colorado Desert, Coachella Valley, Deep Canyon 91 Comment
  POM6648  Pectocarya penicillata P. A. Munz, L. T. Street, G. Williams 1919-3-28 2387 Riverside San Gorgonio Pass, near Cabazon 543 Comment
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Mar 13 2011
  RSA450446  Pectocarya penicillata J. C. Roos 1966-4-5 s.n. Riverside Winchester Comment
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Mar 20 2011
  UCR174067  Pectocarya penicillata A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32630 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  RSA678271  Pectocarya peninsularis Valerie Soza, J. M. Porter, Gary D. Wallace 2001-4-2 1081 Riverside Little San Bernardino Mountains region: Big Morongo Wash. 473 Comment
  UC1929659  Pectocarya peninsularis V. Soza, J. M. Porter, G. D. Wallace 2001-4-2 1081 Riverside Transverse Ranges, Little San Bernardino Mountains region; Big Morongo Wash. 473 Comment
  UCR148472  Pectocarya peninsularis S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 20 Comment
  RSA77820  Pectocarya platycarpa F. W. Peirson 1928-4-24 7908 Riverside Cottonwood Spring, west end of Eagle Mtns. Comment
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Oct 9 2010
  POM281165  Pedicularis densiflora Ethel Rush 1951-4-12 169 Riverside 1 mi. south of Aguaga, Hyway 79. Agua Tibia Mts. Loam soil. Lake Henshaw drainage, loam soil. west slope. Comment
  RSA523493  Pedicularis densiflora Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-3-30 3953 Riverside Vail Lake area, saddle at N base of Big Oak Mtn, S of Black Hills. 732 Comment
  RSA651837  Pellaea andromedifolia W. A. Peard 1949-2-4 s.n. Riverside Kroonen Canyon, Corona. 365 Comment
  UCSB30934  Pellaea andromedifolia Parker, V. 1974-4-5 Riverside Hemet city limits, E side of Hwy 74 365 Comment
  CAS-BOT-BC71401  Pellaea mucronata Annie M. Alexander; Louise Kellogg 1941-3-23 1993 Riverside Tahquitz Canyon, Palm Springs 170 Comment
  IRVC3145  Pellaea mucronata M. Savage 1965-4-24 HS 588 Riverside Hwy 71, 1 mile W of Dripping Springs Gaurd Station. Peninsular Ranges Comment
  RSA102270  Pellaea mucronata subsp. californica S. B. Parish, W. F. Parish 1881-08 511 Riverside San Jacinto [most likely Mount San Jacinto and not the town of San Jacinto, north of Hemet--SB] Comment
  JEPS19080  Pellaea mucronata var. mucronata Marjorie D. Clary 1932-3-20 1627 Riverside 10 mi nw of Garnet (Mission Creek); Colorado Desert 457 Comment
  POM11163  Pellaea mucronata var. mucronata P. A. Munz 1922-7-1 5938 Riverside Santa Rosa Mountains: Old Nicholas Canyon. 1463 Comment
  POM11755  Pellaea mucronata var. mucronata P. A. Munz, I. M. Johnston 1922-5-19 5435 a Riverside Hemet Valley, San Jacinto Mountains. 1402 Comment
  RSA585636  Pellaea mucronata var. mucronata Darin L. Banks, Steve Boyd 1995-3-15 71 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 790 Comment
  UCR243511  Pellaea mucronata var. mucronata Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21084 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, up side canyon approx. 400 m. west of main canyon drainage 1172 Comment
  RSA96915  Penstemon X parishii R. M. Straw 1954-6-10 603 -b Riverside Lake Fulmor. Comment
  UCR16844  Penstemon centranthifolius Rodney Hendrick 1965-5-2 s.n. Riverside Perris-Aguanga Basin, 5 mi. west of Aguanga on Hwy 71 610 Comment
  UCR231804  Penstemon centranthifolius Brent Barnes, A. C. Sanders, Giles Waines, UCR Plant Taxonomy Class 2007-5-12 08 Riverside Peninsular Range; San Jacinto Mtns., dirt forest service road north of Poppet Flats, west of Hwy 243 1253 Comment
  SEINET10964571  Penstemon centranthifolius David B. Dunn, Melvin L. Conrad; Patricia L. Kenney 1973-6-15 Dunn 20770 Riverside Collected at the jct of hwy 74 and 71. A gas station on the sw corner area Generally chapparal with shaggy adenostema. Comment
  UCR13400  Penstemon clevelandii subsp. connatus William A. Hunt 1972-4-29 720429- 01 Riverside San Jacinto Mtns., North face, Snow Creek, after the Ismus and before the first falls 1524 Comment
  UCR35257  Penstemon clevelandii subsp. connatus L. B. Ziegler 1969-5-7 355 Riverside San Jacinto Mtns., Pinyon Flats 1250 Comment
  UC454771  Penstemon grinnellii I. J. Condit 1910-6-22 Riverside San Jacinto Mts. 2590 Comment
  JEPS11104  Penstemon rostriflorus Marjorie D. Clary 1932-7-4 968 Riverside 10 mi sw Kenworthy (Santa Rosa Mts.); , sw of Kenworthy 1371 Comment
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Nov 1 2011
  SDSU10974  Penstemon spectabilis Thomas A. Zink 1971-7-1 Riverside Alongside Indian Canyon rd. about 1 mile west of junction with Temescal Canyon Rd. at foot of Trabuco Peak. 518 Comment
  NY661174  Penstemon spectabilis var. spectabilis R. M. Straw 1953-6-5 448 Riverside 0.3 mile west of Palms to Pines Highway, on road to Anza Comment
  LA203845  Pentachaeta aurea W. B. Welch; 1925-5-5 sn Riverside San Jacinto Mountains, Idyllwild Comment
  RSA0060230  Pentagramma triangularis Lyman Benson 1946-4-15 12035 Riverside Canyon on Twenty-nine Palms Road from Whitewater. San Bernardino Mountains, Colorado Desert drainage area. 457 Comment
  SEINET9259737 Image available Pentagramma triangularis subsp. triangularis George K. Helmkamp, Amy Barnes 2013-1 22311 Riverside Sierra Nevada Mountains Foothills: Utica Powerhouse Road (beside Angel's Creek), 0.6 mile northeast of its junction with CA-4 (Murphys 7.5 Q) 974 Comment
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Apr 12 2018
  SBBG59640  Perideridia parishii R. Hoffmann 1929-9-6 Riverside Tahquitz Valley 2438 Comment
  CAS-BOT-BC77485  Peritoma arborea var. angustata F. H. Billings 1926-2-6 18 Riverside Desert near Palm Springs Comment
  POM8380  Perityle emoryi Mary F. Spencer 1920-4-7 783 Riverside Palm Springs. 122 Comment
  SBBG25004  Perityle emoryi D. Myrick 1966-4-5 1383 Riverside near S entrance of Joshua Tree Nat Monument Comment
  UCR112105  Perityle emoryi A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23357 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  SEINET10800178  Perityle emoryi Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-20 Holmgren 6416 Riverside Big Maria Mountains, 12 airline miles north of downtown Blythe. 290 Comment
  SD122868  Persicaria punctata Steve Boyd 1985-7-23 1014 Riverside De Luz Rd., 8 mi west of Rancho California, wet sand in Sandia Creek 305 Comment
  CLARK-A1045-877  Petalonyx linearis George K. Helmkamp 1977-3-20 Riverside Deep Canyon UCR Boyd Deep Canyon Reserve; sandy bottom of dry wash; ; ; Palm Desert 15'Q 304 Comment
  JEPS37136  Peucephyllum schottii Lawrence Saylor 1935-3-23 171 Riverside Painted Canyon Comment
  POM259711  Peucephyllum schottii P. A. Munz 1940-3-23 15664 Riverside South base of Pinto Mts., road Dale to Cottonwood Springs. 610 Comment
  RSA444309  Peucephyllum schottii Walter Wisura 1988-3-1 4180 Riverside Frontage Road, off I-10, near pumping station in Pinkham Wash area. Comment
  RSA709856  Peucephyllum schottii Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4608 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  RSA777402  Peucephyllum schottii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 835 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' Old mine access road 534 Comment
  SJSU11731  Peucephyllum schottii R. C. McGehee 1970-4-18 Riverside 2 mi S of Cottonwood Pass, Joshua Tree National Monument Comment
  SEINET11809955  Peucephyllum schottii S. B. Parish, Parish, W. F. 1881-1 347 Riverside Whitewater River Comment
  RSA586315  Phacelia brachyloba D. L. Banks, Steve Boyd 1995-5-3 226 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
  UCR123753  Phacelia campanularia subsp. campanularia Steven R. Hill 2001-4-29 33529 A Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  RSA21378  Phacelia campanularia subsp. vasiformis Carl B. Wolf 1937-5-4 8523 Riverside Colorado Desert, Little San Bernardino Mts, Morongo Wash, 1 miles below San Bernardino County line. 610 Comment
  RSA613405  Phacelia cicutaria var. hispida D. L. Banks 1997-4-5 1686 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just east of the Wilderness Area boundry with the Pechanga Indian Reservation, along a tributary of the north fork of Pechanga Creek. 670 Comment
  SDSU18727  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
  RSA783488  Phacelia crenulata J. D. Olmsted 1958-3-29 80 Riverside Joshua Tree National Monument. Pinto Basin 15-20 mi north of junction between Cottonwood Pass and Cottonwood Spring Roads on the former, now become Pinto Basin Road just past Cholla Cactus Gardens. 762 Comment
  SEINET9296429  Phacelia crenulata Unknown 1976-5-4 Riverside Red Mountain Road. Comment
  UCR19174  Phacelia crenulata John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 miles southeast of Desert Center 366 Comment
  CLARK-A1045-308  Phacelia crenulata var. ambigua George K. Helmkamp 1977-3-20 Riverside Deep Canyon Pinyon Pines area; ; ; Palm Desert 15'Q 1066 Comment
  JOTR35303  Phacelia crenulata var. ambigua Andre, Jim 2012-4-11 20802 Riverside Joshua Tree National Park. western margin of Eagle Mountains, along road to Cottonwood Spring (Utah Trail), 0.7mi N of Cottonwood Visitor Center 956 Comment
  RSA777727  Phacelia crenulata var. ambigua Jim Andre, G. L. Clifton 2011-2-22 17434 Riverside Mecca Hills; along Box Canyon Road, 8.5 miles NE of town of Mecca 171 Comment
  JOTR32435  Phacelia cryptantha La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2271 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; granite and basalt rocky slopes above bouldery draws feeding into Pleasant Valley (Stop 3) 1041 Comment
  HSC84067  Phacelia distans H. A. Heaton 1987-5-2 15 Riverside San Jacinto Mtns., 3.5 mi. up Bee Canyon from Hwy. 74 854 Comment
  JEPS2319  Phacelia distans W. L. Jepson May 17 1901-Jun 1 1901 1276 Riverside Canyon of the San Jacinto River Comment
  RSA700024  Phacelia distans Scott D. White, Michael Honer 2003-4-25 9101 Riverside San Bernardino Mountains: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 610 Comment
  RSA800054  Phacelia distans Jim Andre 2012-3-19 21318 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
  SD107798  Phacelia distans C. W. Tilforth 1978-4-30 1567 Riverside Low rounded hills east of Norco. Comment
  SDSU6604  Phacelia distans Marjorie Collier 1951-3-25 Riverside 5 miles northeast of Palm Springs on dry brushy hillside, roadside. Comment
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Jan 30 2013
  UCR893  Phacelia distans Frances Miller 1964-5-5 M 6426 Riverside Box Springs Mountains, end of Goodrich Drive, beside stables 366 Comment
  UCSB45414  Phacelia fremontii Kaplan, Lisa 1979-3-4 Riverside Box Canyon Wash @ 1 mile east of Mecca 6 Comment
  JEPS2097  Phacelia ivesiana E. E. Schellenger May 1920 Riverside e Coachella; Colorado Desert Comment
  JOTR30257  Phacelia ivesiana Leary, C. and Leary, Pat 1979-5-6 3029 Riverside Joshua Tree National Park. ca. 1.0 mi S.E. of Quail Mtn., Joshua Tree N.M., T2S R7E sec 14 Comment
  POM10399  Phacelia minor Charlotte M. Wilder 1904-3-14 s.n. Riverside Wilders Canyon, Jurupa Hills. Comment
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Apr 2 2011
  UCR107393  Phacelia minor B. G. Pitzer 1997-3-23 2948 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
  UCR162879  Phacelia minor T. B. Salvato, Kelly Volansky 2003-3-27 123 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  RSA428263  Phacelia minutiflora N. C. Cooper 1949-4-8 3293 Riverside Desert Center. 610 Comment
  SDSU13319  Phacelia parryi Ryan Jacobson, Jeremy Mass 2000-4-19 13 Riverside On banks of Stone Creek, Santa Margarita Ecological Reserve, along jeep trail going from south-side facility to north-side facility. About 1.5 miles from south-side facility. 183 Comment
  RSA74795  Phacelia pedicellata F. W. Peirson 1920-2-16 970 Riverside Palm Canyon Stream, Near foot of Alkali Canyon east of Palm Canyon, Riverside County. Comment
  POM122256  Phacelia ramosissima var. latifolia Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  POM122264  Phacelia ramosissima var. latifolia Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  UCR123875  Phacelia ramosissima var. latifolia Steven R. Hill 2001-5-3 33662 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  RSA543879  Phalaris lemmonii Steve Boyd, D. Bramlet 1991-5-13 6241 Riverside Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. N of Santa Fe RR tracks, W of San Diego aqueduct. Comment
  RSA674591  Phalaris lemmonii Scott D. White 2000-5-5 7775 Riverside City of Murrieta: Vacant lot on N corner at intersection of Jefferson Av. and Murrieta Hot Springs Rd. 323 Comment
  RSA797238  Philadelphus microphyllus subsp. pumilus Robert F. Thorne, Walter Wisura 1977-9-17 50774 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  RSA0057662  Philadelphus microphyllus var. stramineus P. A. Munz 1924-7-27 8762 Riverside North side of high rock. Dark Canyon, San Jacinto Mts. 2409 Comment
  UCD89319  Phleum alpinum Carl V. Meyer 1928-7-26 538 Riverside San Jacinto Mountains, Deer Springs. 2651 Comment
  UCR2659  Phleum alpinum F. M. Reed 1908-7-14 2474 Riverside San Jacinto Mtns., Meadow in Round Valley 2744 Comment
  POM14423  Phleum pratense P. A. Munz 1922-7-4 5967 Riverside Hemet Valley, San Jacinto Mountains. 1372 Comment
  UC880372  Phlox austromontana P. A. Munz and I. M. Johnston 1922-5-19 5450 Riverside 2 mi below Kenworthy; San Jacinto Mts., Hemet Valley 1417 Comment
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Mar 25 2011
  JOTR35431B  Phoenix dactylifera Kain, Katie, Angela Sowa 2012-10-16 s.n. Riverside Joshua Tree National Park. southwest Eagle Mountains; steep rocky drainage approx. 1.5mi east of Cottonwood Canyon and 1.5mi north of park boundary 815 Comment
  SD143843  Pholistoma membranaceum A. C. Sanders, P. MacKay, et al. 1997-2-8 19683 Riverside Tahquitz Debris Basin at mouth of Tahquitz Canyon. 182 Comment
  UC24018  Pholistoma membranaceum Samuel B. Parish Mar 1883 Riverside Colorado Desert, Cabezon Comment
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Jul 15 2009
  UCR178569  Pholistoma membranaceum R. G. Swinney 1967-2-4 0008 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 335 Comment
  RSA552751  Pholistoma racemosum Steve Boyd, C. Boyd, K. A. Boyd 1992-3-21 6737 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area, Tenaja Canyon. along trail from wilderness boundary downstream towards Fisherman s Camp. 366 Comment
  UCR77766  Pholistoma racemosum Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6131 Riverside SE end of Gavilan Hills, east of Arroyo del Toro, north-facing slope of low hill 488 Comment
  UC2015687  Phoradendron bolleanum A. C. Sanders 1995-4-13 16482 Riverside San Bernardino Mtns./Colorado Desert: Devil's Garden, E end of the mtns., 2.1 mi. W of Hwy 62 on Pierson Av. & dirt extension, 1.7 mi. above Sierra Bl. Comment
  RSA770423  Phoradendron californicum Orlando Mistretta, Duncan S. Bell, Joy D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4878 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
  UC306123  Phoradendron californicum I. Johnston Apr 4 1917-Apr 6 1917 Riverside Colorado Desert, Palm Canyon 457 Comment
  UCD166242  Phoradendron californicum Jack Major 1962-4-17 776 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
  UCR169925  Phoradendron californicum A. C. Sanders, J. Andre , P. J. MacKay, Tim Thomas & CNPS Fld Trip 2005-2-26 29129 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  RSA585786  Phoradendron villosum D. L. Banks, Steve D. Boyd 1995-5-9 411 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
  UC1212088  Phoradendron villosum Peter M. Ray 1948-11-28 1310 Riverside San Jacinto Mts., Hall Canyon 1645 Comment
  UCR95939  Phoradendron villosum Scott D. White 1996-8-1 4435 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  CLARK-A1528-4811  Phragmites australis John C. Roos 1947-11-1 3760 Riverside Eagle Mountain Comment
  RSA15522  Physalis crassifolia L. S. Rose 1936-1-1 36001 Riverside 19 mi. N of Indio, Aqueduct Rd. 610 Comment
  UC1546690  Physalis crassifolia Barry A. Prigge 1988-2-21 7857 Riverside 2 mi w Clemens Well; Imperial Desert, Orocopia Mountains 228 Comment
  UCD98404  Phytolacca americana var. americana Don Domenigoni 1986-4-21 s.n. Riverside At the Young property, Hemet. Comment
  LA6049  Pinus contorta subsp. murrayana Virginia Mars; 1951-5-26 sn Riverside San Jacinto Mountains, Tahquitz Peak 2285 Comment
  NY49929  Pinus contorta var. murrayana S. B. Parish 07 1880 336 Riverside San Jacinto Mountain Comment
  UC64431  Pinus coulteri W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1313 Riverside Johnston Ranch San Jacinto Mt. 1354 Comment
  NY61880  Pinus monophylla N. H. Holmgren 1974-4-2 5777 Riverside Pinto Mountains, Joshua Tree National Monument, Hidden Valley Campground, 13.9 miles southeast of Joshua Tree (10 airline miles south-southwest of Twentynine Palms) 1310.6 Comment
  JEPS48198  Pinus quadrifolia Carl V. Meyer 1929-6-18 786 Riverside on Coahuila to Idyllwild Road; San Jacinto Mts., Summit of Hamilton Grade Comment
  RSA562457  Piperia cooperi Steve Boyd, Timothy S. Ross 1992-5-5 7232 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail. 732 Comment
  SD240929  Plagiobothrys acanthocarpus A. C. Sanders, T. B. Salvato 2011-4-1 38943 Riverside Peninsular Range: Lake Elsonore, SW of Baker St along dirt branch road to microwave tower, near large water tank on hill (Lake Elsinore 7.5'Q) 409 Comment
  UCR151370  Plagiobothrys acanthocarpus Steve Boyd 2001-4-12 10409 Riverside Peninsular Ranges; Perris-Aguanga Basin region, Gavilan Hills Region: South base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street, in the vicinity of the site of Terra Cotta Comment
  RSA715737  Plagiobothrys arizonicus Scott D. White 1999-5-24 7380 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
  CSUSB957  Plagiobothrys californicus H. C. Sharma 1976-4-26 760426 1 Riverside Van Buren Blvd., 1/2 mile south of highway 15 on left side of Van Buren Blvd. 320 Comment
  RSA702185  Plagiobothrys canescens Scott D. White, Michael Honer 2004-3-11 9896 Riverside Corona area. Approximately 1/2 air mile E of I-15 and 1 air mile N of El Cerrito Rd. 290 Comment
  UCR112562  Plagiobothrys canescens A. C. Sanders 1998-3-11 21694 Riverside Shipley/Skinner Reserve area, Diamond Valley, along State Street (R3) c. 1/2 mi. north of Newport Rd., south of Hemet 488 Comment
  UCR152647  Plagiobothrys canescens A. C. Sanders 2005-4-22 29598 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR113194  Plagiobothrys collinus A. C. Sanders 1998-3-11 21676 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near high water line of reservoir under construction 518 Comment
  RSA715307  Plagiobothrys collinus var. californicus John Green 2006-5-10 s.n. Riverside Peninsular Ranges: City of Murrieta; S of the Hogbacks. N of Hunter Road to Ramage Lane, between Calle de Amor on the E and Springview/Kiwebre Road on the W. 366 Comment
  UCR241806  Plagiobothrys collinus var. californicus A. C. Sanders, Dave King 2013-4-11 40792 Riverside Peninsular Range; SE edge Gavilan Hills, hills east of Hwy 74 and south of Perris, SCE power line route NE of intersection of Theda and Eugene streets 511 Comment
  UCR76172  Plagiobothrys leptocladus A. C. Sanders 1993-4-1 13671 Riverside Perris-Aguanga Basin Region, western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St. and Devonshire Ave., 0.75 mile NE of the intersection of Florida Ave (Hwy 74) and Warren Rd, just south of Tres Cerritos 460 Comment
  HSC78730  Plagiobothrys nothofulvus A. C. Sanders, T. Glenn 1983-4-17 3737 Riverside Mesa de Colorado, Santa Ana Mtns., 5 mi. SW of Murrieta 612 Comment
  RSA562053  Plagiobothrys nothofulvus Steve Boyd, Tim Ross 1992-4-1 6774 Riverside Alberhill Mountain, southwest flank on lower slopes just to east of strip-mined area 427 Comment
  UCSB10521  Plagiobothrys tenellus Wedberg, H. 1957-3-22 Riverside Hwy. 71, near Alberhill Comment
  SD68967  Plantago elongata Robert Thorne, P. A. Munz, E. Lathrop 1968-5-8 37575 Riverside Santa Rosa Plateau: desiccated margin of vernal marsh on Mesa de Colorado, Rancho California; 671 Comment
  UCR280979  Plantago elongata Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-10 417- 81 Riverside Elsinore Trough, Baker St., 0.05-0.15 miles SE of Pierce St. [NW edge of city of Lake Elsinore, near Terra Cotta] 384 Comment
  UC495300  Plantago erecta Philip A. Munz 1932-3-24 12021 Riverside n of Elsinore 304 Comment
  UC888394  Plantago ovata Carl B. Wolf 1932-4-28 Riverside 20 mi w Blythe (on the Mecca Road); Colorado Desert, Chuckwalla Valley 121 Comment
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Mar 26 2011
  UCR245925  Plantago ovata Naomi Fraga, David Fracker, Thomas Stoughton 2012-3-15 3942 Riverside Sonoran (Colorado) Desert, off of Box Canyon Rd., south of Shaver Well in a wash 229 Comment
  UCR50573  Plantago ovata B. G. Pitzer 1988-3-10 0651 Riverside Sonoran (Colorado) Desert, west side Chuckwalla Mountains, on gas line road c. 1.5 mi north of intersection with Red Cloud Mine Road (& wash); c. 2 mi. airline south of Hwy I-10 489 Comment
  UCR72205  Plantago ovata Theo Glenn 1992-3-31 92- 12 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  HSC87311  Plantago ovata var. fastigiata Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2104 Riverside N end of the Palen Mtns., 2 mi. W of Palen Pass 300 Comment
  UCSB6247  Plantago ovata var. fastigiata Haller, John 1960-4-2 Riverside south side of U.S. highway 60-70; 5.8 miles east of Desert Center 243 Comment
  RSA652520  Platanus racemosa G. Foster 1961-4-30 118 Riverside Palm Canyon, Palm Springs. Comment
  UCR270186  Platanus racemosa A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42409 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
  POM13014  Platystemon californicus P. A. Munz, I. M. Johnston 1922-5-20 5457 Riverside Kenworthy, San Jacinto Mountains 1402 Comment
  RSA660063  Platystemon californicus Matt Bogdanoff 1981-4-11 8 Riverside Cajalco Rd., 5.9 mi E of junction with La Sierra Ave., SE of Lake Mathews. 488 Comment
  UCR25367  Platystemon californicus John C. Roos 1952-4-13 5532 Riverside N side of the Box Springs Mountains 457 Comment
  JOTR28940  Pleuraphis rigida La Doux, Tasha 2005-3-30 1176 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  POM192667  Pleuraphis rigida Marcus E. Jones 1929-9-16 24755 Riverside East of Desert Center. Comment
  HSC5849  Pleurocoronis pluriseta C. L. Hitchcock, C. V. Muhlick 1964-3-22 23261 Riverside W end of Pinto Basin, Joshua Tree National Monument. Comment
  RSA784958  Pleurocoronis pluriseta Duncan S. Bell 2012-2-12 3116 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  UC86377  Pleurocoronis pluriseta S. B. and W. F. Parish Apr 1882 728 Riverside Agua Caliente Comment
  SEINET12534743 Image available Pleurocoronis pluriseta H. M. Hall 1905-4-16 5795 Riverside Marshall Canon, 11 km W of Coachella, Colorado Desert, in the Lower Sonoran Zone. 30 Comment
  UCR125298  Pluchea purpurascens A. C. Sanders 2002-11-21 25633 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 457 Comment
  CAS-BOT-BC326546  Pluchea sericea Roxana S. Ferris 1918-6-19 1007 Riverside Colorado River bottoms at Blythe Comment
  UCR182097  Poa annua Tom Chester 2005-4-26 596 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve: Sylvan Meadows Road, 0.14 miles (0.2 km) west of jct. with Torino Trail 562.5 Comment
  CAS-BOT-BC254572  Poa fendleriana subsp. longiligula Ralph Hoffmann 1929-9-6 s.n. Riverside Mount San Jacinto 2590 Comment
  UCR3215  Poa pratensis V. L. McFarland 1964-5-21 s.n. Riverside San Bernardino/ upper Santa Ana River Valley, Riverside, lawn of Faculty Club on UCR campus 335 Comment
  JOTR30951  Poa secunda subsp. secunda La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1926 Riverside Joshua Tree National Park. (Stop 3) Hexie Mountains, slopes above Blue Cut Gorge Comment
  UCR263230  Polycarpon tetraphyllum A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41460 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 2.95 miles ESE of Cabazon, c. 0.84 mi. NNW (335 deg. ) of One Horse Spring, south of I-10 and SE of water bottling plant, edge of wind farm 452 Comment
  SBBG67666  Polygala acanthoclada A. M. Alexander, L. Kellogg 1941-5-9 2139 Riverside 1.5 mi N of Cottonwood Spring, Eagle Mtns 975 Comment
  RSA664940  Polygala cornuta var. fishiae J. C. Roos 1960-5-30 s.n. Riverside Ridge east of Sugarloaf Pk. 1067 Comment
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Sep 15 2008
  UCR189801  Polygala cornuta var. fishiae Amy Rowland 2007-5-8 067 Riverside Peninsular Range, Santa Ana Mountains Region, Tin Mine Canyon c. 4 mi southwest of city of Corona, in drainage near Tin Mine trail 427 Comment
  UCR207680  Polygonum argyrocoleon G. R. Ballmer 2006-3-2 s.n. Riverside Sonoran Desert, Coachella Valley, corner of Buchanan St. and Ave. 57 -11 Comment
  UCR260539  Polygonum argyrocoleon T. B. Salvato, Matt Malle, Thomas M. Sullivan Jr 2014-5-30 8060 Riverside Perris-Aguanga Basin, Wildomar, c. 2 mi east of Lake Elsinore, west side of Mission Trail, north of Victorian Lane 387 Comment
  UCR37488  Polypodium californicum Steve Boyd 1981-2-2 s.n. Riverside Peninsular Range, Gavilan Hills, Rocky Bluff Ridge Comment
  SD234028  Polypogon monspeliensis Nancy Ryan Zabriskie 1973-3-21 593 Riverside Deep Canyon, north slope, Santa Rosa Mountains. In front of Deep Canyon Research Center building. 292 Comment
  SEINET1004495  Polypogon monspeliensis T. B. Salvato, Kent Beaman 2005-1 846 Riverside San Jacinto Mtn foothills: San Jacinto River E of Valle Vista just downstream from the Forest Service Boundry and N of CA Hwy 74. 549 Comment
  CAS-BOT-BC102592  Populus fremontii David B. Dunn; A. Folsom 1948-6-17 3812 Riverside By quad one. At camp in Pushawalla Canyon Comment
  RSA500090  Populus fremontii Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-4-2 3219 Riverside Vail Lake area, riparian woodland area at N end of Kolb Creek, near campground. 457 Comment
  RSA735355  Populus fremontii Keith E. Hoffmaster 1937-3-16 746 Riverside Near Palm Springs Station Comment
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Aug 27 2011
  RSA599946  Porophyllum gracile L. C. Wheeler 1959-12-27 7635 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
  RSA695703  Porophyllum gracile Stephen Bruff 1934-3-28 s.n Riverside Lakeview. Comment
  UCR280994  Porophyllum gracile Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-13 417- 56 Riverside Peninsular Ranges, Wildomar, Sedco Hills, along transmission road between Lost Rd. and Lake View Rd. 564 Comment
  SD233340  Portulaca oleracea Duncan S. Bell 2012-9-13 4194 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
  UCR108715  Portulaca oleracea Scott D. White, Pam DeVries 1998-2-9 6076 Riverside Coachella Valley, La Quinta/Palm Desert Area: Whitewater River Channel at & near Miles Ave. crossing 30 Comment
  SEINET9291376  Potentilla glandulosa Unknown 1976-5-3 Riverside Red Mountain Road. Comment
  SEINET695566  Proboscidea louisianica Howard Scott Gentry 1948-6-30 8181 Riverside Gentry Farm, ca. 3 miles northeast of Murrieta. Comment
  UC1522675  Proboscidea louisianica subsp. louisianica Steve Boyd 1984-9-20 Riverside along Cajalco Rd. 4 1/2 mi nw Perris (0.2 mi e of its intersection with Clark St. (Old Elsinore Rd.)); Mead Valley Comment
  UCR45120  Prosopis glandulosa L. F. LaPre 1986-9-25 s.n. Riverside Sonoran (Colorado) Desert, Cabazon Indian Reservation, adjacent to Southern Pacific R.R. tracks, c. 1 mi NW of Mecca, between Buchanan and Lincoln Sts., Coachella Valley 52 Comment
  RSA0020545  Prosopis glandulosa var. glandulosa Irene Reid 1934-4-14 18660 Riverside La Quinta, Colorado Desert. [County not provided, but probably Riverside] Comment
  CAS-BOT-BC206983  Prosopis glandulosa var. torreyana F. P. Cronemiller 1927-5-11 3016 Riverside Oak Park R.S., Cleveland Forest 762 Comment
  RSA792335  Prosopis juliflora var. torreyana Doris Bowers 1972-10-14 1939 Riverside Rancho Calif., NW of SBCM Dig 396 Comment
  CAS-BOT-BC216515  Prosopis pubescens W. R. Dudley 1903-12-1 s.n. Riverside Near Palm Springs Comment
  UC68617  Prosopis pubescens H. M. Hall Apr 1905 5988 Riverside near Indio; Colorado Desert 30 Comment
  POM244  Prunella vulgaris var. lanceolata M. Durant 1919-5-18 s.n. Riverside Riverside, in lawn Comment
  POM296501  Prunus fasciculata Lyman D. Benson 1945-3-29 11631 Riverside Canyon on Palm Spring Rd. Colorado Desert Drainage Area. 671 Comment
  UCR39192  Prunus fasciculata M. L. Rosczyk, G. K. Helmkamp 1985-4-4 204 Riverside Little San Bernardino Mtns/ Sonoran (Colorado) Desert, Big Morongo Preserve, south of Morongo Valley, at the west side of the main canyon c. 0.5 miles north of Indian Ave. 503 Comment
  NY42610  Prunus fremontii J. B. Walker 1995-3-21 1266 Riverside W of Palm Desert, along Hwy 79, 3km E of Pinyon Flat Campground 1200 Comment
  SEINET3077265 Image available Prunus fremontii Dave Hawks 1987-3-3 Riverside Terwilliger Valley, 5 mi SE of Anza. 1280 Comment
  UC56543  Prunus fremontii H. M. Hall May, 1901 1883 Riverside about 3 mi n of Van Deventer (along the borders of Colorado Desert, eastern base of San Jacinto Mountains); San Jacinto Mountains, Colorado Desert Comment
  RSA122704  Prunus ilicifolia Marcus E. Jones 1926-6-20 s.n. Riverside Near Banning. Comment
  SDSU9174  Prunus ilicifolia subsp. ilicifolia W. T. Williams 1962-5-12 Riverside San Jacinto Mts. Highway between Hemet and Idyllwild. 3000 ft. marker East side of roadside 10 ft. 914 Comment
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Nov 10 2008
  RSA472308  Psathyrotes ramosissima L. C. Wheeler 1931-11-26 390 Riverside Salton Bench Mark, Colorado Desert. -15 Comment
  RSA472320  Psathyrotes ramosissima J. W. Jamie 1906-4-1 1456 Riverside Mecca Comment
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Nov 30 2009
  UCR280993  Pseudognaphalium leucocephalum Mitch Provance 2017-5-25 517- 65 Riverside Temescal Valley, 0.3 to 0.5 miles SE of Indian Truck Trail, between Temescal Canyon Rd. and Hwy. 15 361 Comment
  RSA58830  Pseudotsuga macrocarpa R. Weatherby 1950-2-2 s.n. Riverside Canyon, southeast of Sierra Peak, Santa Ana Mts. Comment
  RSA198967  Psilocarphus brevissimus R. F. Thorne, P. A. Munz, E. Lathrop 1968-5-8 37579 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California 671 Comment
  CAS-BOT-BC361784  Psilocarphus brevissimus var. brevissimus Robert F. Thorne; P. A. Munz; L. Lathrop 1968-5-8 37579 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California 670 Comment
  UCR85576  Psilocarphus brevissimus var. brevissimus Julie A. Greene 1993-5-12 1314 Riverside Perris-Aguanga Basin region, South of gated West-East road, east of Davis Rd. 433 Comment
  POM259739  Psilostrophe cooperi E. C. Jaeger 1939-12-16 s.n. Riverside Chuckawalla Springs 183 Comment
  CAS-BOT-BC353584  Psorothamnus arborescens var. simplicifolius H. M. Hall 1905-5-1 6024 Riverside Cottonwood Mountains, Colorado Desert 609 Comment
  SD37833  Psorothamnus arborescens var. simplicifolius Jack Rempel 1931-4-11 Riverside San Jacinto Valley Comment
  CAS-BOT-BC353630  Psorothamnus emoryi Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring 60 Comment
  CAS-BOT-BC353632  Psorothamnus emoryi Lewis S. Rose 1959-1-9 59005 Riverside Palm Desert 30 Comment
  SBBG34735  Psorothamnus emoryi T. L. Secrest 1950-3-12 Riverside near Indio Comment
  UC555345  Psorothamnus emoryi Margaret Stason 1927-3-12 Riverside Thousand Palms , Thousand Palms (Colorado Desert) Comment
  UCD108349  Psorothamnus fremontii R. L. Smith 1960-4-15 8 Riverside 15 miles north of Palm Springs. Comment
  CAS-BOT-BC340869  Psorothamnus schottii Margaret Stason 1927-3-12 s.n. Riverside Painted Canyon, Colorado Desert Comment
  CAS-BOT-BC340906  Psorothamnus schottii Annie M. Alexander; Louise Kellogg 1941-5-17 2193 Riverside Colorado Desert. Near Dos Palmas Comment
  UCR35006  Psorothamnus schottii L. B. Ziegler 1977-4-12 564 Riverside Sonoran (Colorado) Desert, near Desert Hot Springs, on sandy alluvial slopes (bajadas) from Little San Bernardino Mountains. 381 Comment
  RSA404267  Psorothamnus spinosus Howard Mullins 1931-4-11 s.n. Riverside Thousand Palms Comment
  SEINET4037230  Psorothamnus spinosus G. T. Manthey 1977-1 1642 Riverside 10 miles east of Mecca on road going toward Joshua Tree National Monument. 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
  CAS-BOT-BC460529  Pterospora andromedea S. B. Parish; W. F. Parish 1881-7-24 968 Riverside San Jacinto Mt. Comment
  POM10467  Pterostegia drymarioides F. M. Reed 1904-6-5 s.n. Riverside Bank near Fairmont Park Comment
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Jul 4 2010
  UCR272880  Pulicaria paludosa Duncan S. Bell 2015-8-12 8596 Riverside Colorado (Sonoran) Desert, southwestern section of the Orocopia mountains, spring in the southern section of the Dos Palmas area -41 Comment
  RSA561412  Pycnanthemum californicum Steve Boyd, T. S. Ross, D. E. Bramlet 1992-9-9 7681 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
  RSA0081612  Pyrola aphylla P. A. Munz 1938-8-14 15370 Riverside Ridge east of Toro Peak, Santa Rosa Mts. 2378 Comment
  RSA0091963  Quercus Mitch Provance 2012-8-31 17434 Riverside San Bernardino Mountains: Banning Bench, along E side of Bluff St, overlooking the San Gorgonio River. 1067 Comment
  UCR278566  Quercus Mitch Provance 2012-9-5 912- 16 Riverside Badlands of Western Riverside County, Potrero Creek, S end of City of Beaumont, E side of Highland Springs Rd., about 100 yards south of intersection with Breckenridge Ave. 755 Comment
  UCD45043  Quercus agrifolia Rudolph Fischer 1965-10-8 2 Riverside ca. 100 feet from south bank of San Jacinto River, elevation 2000 feet. State Highway 74, 3 miles east of Hemet, Riverside County, California. 609 Comment
  RSA748812  Quercus agrifolia var. agrifolia G. Gust, L. Nye 2005-3-11 552 Riverside Cleveland National Forest. Just off of Hwy 74 opposite El Cariso Campground on washed out forest road. 762 Comment
  UCR106881  Quercus berberidifolia Richard Minnich 1997-11-9 s.n. Riverside Box Springs Mountains, N-facing slope in canyon south of Two Trees Canyon & ESE of end of Blaine Street 457 Comment
  UCR94888  Quercus berberidifolia G. R. Ballmer, K. T. Stockwell 1996-9-22 s.n. Riverside Murrieta, Warm Springs Creek, SE of Hogbacks 366 Comment
  SFV871  Quercus chrysolepis P. G. Kilburn 1958-5-30 831 Riverside San Jacinto Mountains Mount San Jacinto, 5 miles north of Idlewild. Fern Basin Campground. 1890 Comment
  UCR100826  Quercus chrysolepis A. C. Sanders, T. Tennant 1997-11-14 21606 Riverside San Bernardino Mtns., Morongo Indian Reservation, Hathaway Canyon 976 Comment
  UCSB1228  Quercus chrysolepis Neely, William 1948-10-3 Riverside Devil's Slide Trail, Idyllwild, San Jacinto Mts. 2316 Comment
  SEINET7048004  Quercus chrysolepis var. nana Steven R. Hill, Kate Kramer and family 2001-4-26 33471 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
  CAS-BOT-BC86547  Quercus cornelius-mulleri D. B. Dunn 1947-10-9 3529 Riverside Joshua Tree National Monument at campground area by Hidden Valley Comment
  UCR103220  Quercus cornelius-mulleri Scott D. White 1996-8-1 4457 Riverside San Jacinto Mtns., Twin Pines area, just north of Twin Pines Road, c. 0.5 air mi. west of Twin Pines Ranch. 1143 Comment
  CDA31210  Quercus engelmannii Mike Lahti 2010-2-8 PDR# 1501957 Riverside West of the city of Temecula, near the San Diego and Riverside County line. 0 Comment
  UCR2937  Quercus engelmannii Wm. Horn Jr. 1963-4-20 630420- 2 Riverside Santa Ana Mtns., [Santa Rosa Plateau, on Tenaja Road west of] Murrieta, 100 yards west of dirt road to Tenaja Ranger Station, 4.8 miles west of Santa Rosa Ranch gate. 305 Comment
  UC667379  Quercus john-tuckeri Annie M. Alexander and Louise Kellogg 1941-4-27 2094 Riverside road s of Twenty-nine Palms; Joshua Tree National Monument 1310 Comment
  RSA654803  Quercus palmeri A. C. Sanders, Steve D. Boyd, Mitch Provance, J. Ross 1998-10-25 22291 Riverside San Jacinto Mtns: Santa Rosa Indian Reservation along Hwy 74, 4 miles E of Hwy 371 junction to Anza 1378 Comment
  RSA654804  Quercus palmeri A. C. Sanders, Steve D. Boyd, Mitch Provance, J. Ross 1998-10-25 22293 Riverside San Jacinto Mtns: W side of Burnt Valley along Burnt Valley Road. 413 Comment
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Jul 27 2009
  SEINET13953263 Image available Quercus palmeri J. C. Roos 1965-1 Riverside Summit of Pines to Palms Road (Hwy 74) south of Palm Desert, Santa Rosa and San Jacinto Mountains. Comment
  RSA33879  Quercus turbinella N. C. Cooper 1944-5-20 1307 Riverside Palms to Pines Hwy., San Jacinto Mtns. 1220 Comment
  RSA750596  Quercus turbinella subsp. turbinella K. M. Meyer, A. Townesmith, T. Scott 2007-3-19 23 Riverside San Bernardino National Forest. San Jacinto Ranger District, Sawmill Trailhead, about 0.3 mi. along Pinyon Flats Transfer Station Rd., off of Route 74. 1232 Comment
  UC64017  Quercus wislizeni W. L. Jepson May 17 1901-Jun 1 1901 1438 Riverside Santa Rosa Indian Village Comment
  SDSU13980  Quercus wislizeni var. frutescens Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2107 Riverside Just south of wet meadow region. Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 640 Comment
  RSA736537  Rafinesquia californica Scott D. White 2004-4-26 10266 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. 518 Comment
  JEPS23077  Rafinesquia neomexicana Reino Alava with R. Bacigalupi, Dr. and Mrs. Rolla Tryon 1958-3-3 1832 Riverside 27 mi s Vidal (along U.S. Highway 95, in flood plain of the Colorado River, ne of the Big Maria Mts., e Riverside County); Colorado River 97 Comment
  UC68998  Rafinesquia neomexicana H. M. Hall April 1905 5824 Riverside Colorado Desert, Indio 152 Comment
  UCR86650  Rafinesquia neomexicana A. C. Sanders, J. Dice, K. Rose, D. Woodard 1995-3-29 16265 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village 427 Comment
  POM11506  Ranunculus alismifolius var. alismellus P. A. Munz 1922-7-6 6034 Riverside San Jacinto Mountains: north fork of Tahquitz Creek. 2226 Comment
  UCR248034  Ranunculus muricatus O. F. Clarke 2011-3-15 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCR96096  Ratibida columnaris Kathleen Stockwell 1996-6-5 s.n. Riverside Peninsular Range, Warm Springs Creek, near Murrieta, just SE of Temecula Hot Springs, 1/2 km downstream from Murrieta Hot Springs Road 328 Comment
  RSA656538  Ratibida columnifera Mitch Provance 2000-7-30 2173 Riverside Glen Avon Heights, on the N side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  RSA785511  Rhamnus crocea Doris Bowers 1972-4-15 1852 Riverside Near SBCM dig on Pulgas Creek Rd., Rancho Calif. 396 Comment
  SBBG101776  Rhamnus crocea S. Boyd, T. Ross 1991-6-14 6383 Riverside Warm Springs Crk at the NE end of Hogbacks ridge, from Alamos Rd S to confluence w/ Adobe Spring tributary, 2-3 mi NW of Murrieta Hot Springs Comment
  UC1292574  Rhamnus crocea C. L. Hitchcock and C. V. Muhlick 1964-3-17 23094 Riverside 3 mi se Glen Ivy Hot Springs Comment
  UCR91600  Rhamnus crocea D. L. Banks, Steve Boyd 1995-3-15 0058 Riverside NW Palomar Mtns, Agua Tibia Wilderness Area, N face of Agua Tibia Mtns., Dorland Mtn. area 738 Comment
  RSA0018313  Rhamnus crocea Keith E. Hoffmaster 1937-6-6 764 Riverside Near Valle Vista. Comment
  POM243758  Rhamnus ilicifolia Percy C. Everett 1935-6-17 7138 Riverside Coldwater Canyon, trail to Santiago Pk. 1/2 mi. above Glen Ivy Resort. 457 Comment
  SBBG27372  Rhamnus ilicifolia P. C. Everett 1935-6-18 Riverside Coldwater Cyn Trail ca. 1.5 mi below (N) main divide motorway 1280 Comment
  CAS-BOT-BC200731  Rhus aromatica Peter H. Raven 1958-5-18 12980 Riverside 3.0 miles east of junction to Aguanga, San Jacinto Mountains Comment
  UC1292620  Rhus ovata C. L. Hitchcock, C. V. Muhlick 1964-3-17 23098 Riverside 3 mi se Glen Ivy Hot Springs Comment
  UC217847  Rhus ovata P. A. Munz, D. Keck 1922-4-14 5004 Riverside e Whitewater Ranch; Colorado Desert 213 Comment
  UCR243158  Rhus ovata LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4293 Riverside Transverse Ranges; San Bernardino Mountains, Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat Canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon 871 Comment
  UCR70835  Ribes cereum var. cereum C. B. Wolf 1932-8-5 03968 Riverside San Jacinto Mtns, On trail from Tahquitz Valley to San Jacinto Peak 2805 Comment
  CAS-BOT-BC173135  Ribes indecorum A. J. McClatchie 1892-5-20 s.n. Riverside [Canon] Canyon of St. Rosa Mts., near Elsinore Lake Comment
  SJSU7833  Ribes malvaceum G. B. Youngberg 1956-3-31 241 Riverside Banning-Idyllwild Rd, Sna Jacinto Mts 1158 Comment
  UC1127274 Image available Ribes malvaceum A. Lewis 1934-3-4 311 Riverside Tin Mine Canyon Cleveland National Forest, Corona Quadrangle Comment
  LA26119  Ribes montigenum Harlan Lewis; 1941-7-22 sn Riverside San Jacinto Mountains, San Jacinto Peak 3291 Comment
  RSA604839  Ribes quercetorum Scott D. White 1995-4-5 2752 Riverside Lakeview Mountains; SW of Juniper Flat Road. 579 Comment
  UC1127499  Ribes quercetorum R. St. John 1923-1-23 176 Riverside s Willow Canyon; San Jacinto Quadrangle Comment
  UCR90328  Ribes quercetorum Chet McGaugh 1993-3-10 s.n. Riverside Peninsular Range, S edge of Durasno Valley, c. 6 mi SW of Anza, N foot of Iron Spring Mtn, south of Tule Rd. and just west of Walker Rch Rd. 1402 Comment
  RSA162816  Ribes roezlii J. D. Olmsted 1959-7-1 724 Riverside Just west of Strawberry Cienega trail above Idyllwild. 2622 Comment
  SEINET10815008  Ricinus communis David B. Dunn 1948-1-25 Dunn 3649 Riverside Found in ravine northeast of the top of the grade east of Riverside, CA about 5 miles out. Comment
  JEPS51544  Romneya coulteri S. B. Parish 1897-5-29 4394 Riverside Temescal; Southern California, Temescal 396 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
  POM1503  Rosa californica Jenkins, L. T. Street 1917-5-30 s.n. Riverside San Jacinto Canyon. Comment
  RSA699219  Rosa californica Jeanne Paxton 1934-4-16 s.n. Riverside Hagador Canyon Comment
  RSA708220  Rosa californica Scott D. White, Angelia Carey 2004-5-7 10334 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 549 Comment
  UC218256  Rosa californica P. A. Munz 1922-6-29 5901 Riverside along small stream Santa Rosa 1981 Comment
  JEPS44747  Rubus parviflorus W. L. Jepson 1903-8-6 2278 Riverside Dark Canyon San Jacinto Mt., Dark Canyon 1524 Comment
  CAS-BOT-BC158733  Rubus ursinus Alice Eastwood; John Thomas Howell 1937-4-24 3906 Riverside Coldwater Canyon, Santa Ana Mts. Comment
  RSA523494  Rumex hymenosepalus Steve Boyd, Tim S. Ross, L. Arnseth 1990-3-30 3954 Riverside Vail Lake Area, granitic ridge at S end of Black Hills S of Big Oak Mtn. 732 Comment
  SEINET3245820  Rumex hymenosepalus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-1 37695 Riverside Peninsular Range; foothills of Gavilan Hills: Temescal Canyon at Alberhill, c. 1.2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 363 Comment
  LA207772  Rumex violascens J. Warren; 1952-4-6 sn Riverside Snow Creek 609 Comment
  RSA711992  Sagittaria latifolia S. J. Myers 1996-5-17 s.n. Riverside River Road bridge over the Santa Ana River 152 Comment
  JOTR30066  Salazaria mexicana La Doux, Tasha, Mike Bell, Katy Mathews, Alice Miller, Amber Holt 2007-5-23 1696 Riverside Joshua Tree National Park. Stop # 3 = Near Geology Tour rd., N of Malapai Hill 1219 Comment
  UC494397  Salazaria mexicana C. L. Hitchcock 1932-4-7 12204 Riverside Corn Springs; eastern Riverside County Comment
  UC116556  Salicornia subterminalis S. B. Parish 1897-6-18 4465 Riverside Menifee Comment
  POM2070  Salix exigua D. L. Crawford, I. M. Johnston 1917-6-9 1244 Riverside Santa Ana River near Corona. Comment
  POM296373  Salix exigua Lyman D. Benson 1945-4-6 11662 Riverside Whitewater Canyon, 3 miles above Whitewater; San Bernardino Mts.; Drainage area: Colorado Desert. 427 Comment
  SBBG1220  Salix exigua H. and M. Dearing 1940-11-10 5016 Riverside Thousand Palms Cyn Comment
  UCR167974  Salix exigua T. B. Salvato, John F. Green 2004-5-27 654 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
  UCR41239  Salix exigua N. M. Fellows 1985-3-3 79 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mountain, l mile west of Snow Creek Village 489 Comment
  SD11898  Salix exigua var. exigua Mrs. H. P. Bracelin 1932-4-12 601 Riverside East side of bridge over Santa Ana River, 4.8 km north of Arlington on road to Pedley, west of Riverside 239 Comment
  UC537090  Salix exigua var. hindsiana Philip A. Munz 1932-3-24 12031 Riverside n of Elsinore 304 Comment
  CAS-BOT-BC108103  Salix gooddingii I. Johnston 1917-6-5 1235 Riverside Hills south of Arlington 365 Comment
  RSA4945  Salix gooddingii Carl B. Wolf 1932-4-28 3085 Riverside Overflow land back of Colorado River, about 800 m. from State Inspection Station, on way to Blythe Bridge. 90 Comment
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Mar 26 2011
  UCR128256  Salix gooddingii A. C. Sanders, Kelly Volansky 2003-10-16 27346 Riverside Moreno Valley, lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  RSA593974  Salix laevigata D. L. Banks, Elizabeth Hedge Banks 1996-5-2 959 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage. 524 Comment
  RSA715295  Salix laevigata A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32676 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., near stream crossing of dirt road. 549 Comment
  RSA612479  Salix lasiolepis D. L. Banks 1997-2-23 1338 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. 368 Comment
  SD225104  Salix lasiolepis Scott D. White, Shelton Dowthit & Conservancy volunteers 1996-3-31 3848 Riverside Lk Skinner Area: Riverside Land Conservancy conservation easement site, about 1/2 air mi S of the reservoir, near East Benton Road. 533 Comment
  CDA5807  Salpichroa origanifolia F. J. Willmarth 1964-6-15 Riverside Temecula Hotel, Temecula. 0 Comment
  UCR261417  Salsola paulsenii A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41424 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  RSA0095118  Saltugilia australis O. F. Clarke, J. Derby 1974-4-19 s.n. Riverside Lakeview Mountains: ca. 2 mi. SSW of Mt. Rudolph, N of Juniper Flat, E of Juniper Flat Rd. and S of Stagecoach Rd., EIR for Tentative Tract 5702. 549 Comment
  SD215602  Saltugilia australis Steve Boyd, Tim Ross, et al. 1999-4-2 4038 Riverside Vail Lake area, lower slopes of Agua Tibia Mountain, along Highway 79. 487 Comment
  UCR274304  Saltugilia australis T. B. Salvato, Melissa Clemons 2005-6-6 1424 Riverside Peninsular Range, Gavilan Hills, c. 0.75 mile south-southeast of Steele Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore 579 Comment
  UCR262251  Saltugilia latimeri T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3746 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
  CLARK-A1528-582  Salvia apiana Markell Kohn 1959-4-12 Riverside Riverside Comment
  POM70719  Salvia apiana Marcus E. Jones 1906-4-19 s.n. Riverside Palm Springs. Comment
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Aug 27 2011
  UCR234259  Salvia apiana A. C. Sanders 2012-4-12 40031 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, near El Hermano Rd. 314 Comment
  RSA80984  Salvia columbariae G. R. Campbell 1952-4-5 18370 Riverside On road leading from Hwy 60 to 29 Palms [Hwy 62], at jct to Desert Hot Springs. 762 Comment
  UC25692  Salvia columbariae Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  UCD125515  Salvia columbariae C. L. Hitchcock; C. V. Muhlick 1962-3-16 22156 Riverside Temescal Canyon, ca. 12 miles southeast of Corona. Comment
  UCR177024  Salvia columbariae Tracy Tennant 1998-6-18 s.n. Riverside San Jacinto Mtns., Bee Canyon, NE of Valle Vista 793 Comment
  UCR22032  Salvia columbariae Steve Boyd 1980-5-11 236 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
  UCR27197  Salvia columbariae Marlyce Myers 1980-4-28 s.n. Riverside Perris Basin, Motte Reserve, 2.5 mi. NW of Perris 518 Comment
  RSA444482  Salvia eremostachya J. C. Roos 1947-3-15 3332 Riverside Santa Rosa Mountains: Dos Palmas Springs, NE of Asbestos Mt. Comment
  RSA582439  Salvia greatae C. Epling 1937-04 s.n. Riverside Canyon north of Hidden Spring, Orocopia Mts. Comment
  SD70009  Salvia greatae Darley F. Howe 1968-3-17 4494 Riverside Salton Creek between Orocopia and Chocolate Mountains. 121 Comment
  UCLA77004  Salvia greatae W. A. Emboden 1962-1 Riverside Hidden Springs Comment
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Sep 13 2015
  POM98734  Salvia greatae M. Hill, M. Canby 1926-03 s.n. Riverside Wash east of Dos Palmos. Comment
  UCR174264  Salvia mellifera A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32671 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
  UCR47225  Salvia mellifera B. G. Pitzer, L. F. LaPre 1987-3-2 0429 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
  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
  RSA356612  Salvia vaseyi Robert F. Thorne 1966-10-15 41806 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  RSA448916  Salvia vaseyi Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
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Jun 8 2013
  UC73592  Salvia vaseyi H. E. Wilder 1906-1 Riverside e of San Gorgonio (along Mission Creek); Colorado Desert, Mission Creek Comment
  UCR16807  Salvia vaseyi B. A. Carlson 1978-4-22 s.n. Riverside Santa Rosa Mtns, 5 mi. south of Palm Desert, east of Hwy 74 488 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
  RSA500108  Sambucus mexicana Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3663 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  UC64324  Sambucus mexicana H. M. Hall June, 1901 2216 Riverside Onstatt's Valley San Jacinto Mountains 1615 Comment
  UCR138914  Sambucus mexicana Julie A. Greene 1993-4-3 1083 Riverside San Jacinto Valley, San Jacinto Wildlife Area. Old agricultural field, east of dirt road 441 Comment
  CAS-BOT-BC238858  Sambucus nigra subsp. caerulea Donald A. Johansen 1933-7-14 714 Riverside Along road from Cherry Valley to Mesa Mira 1371 Comment
  UCR116848  Sanicula arguta A. C. Sanders, Steven R. Hill 2001-5-4 24144 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  RSA763018  Sanicula bipinnatifida John F. Green 2010-3-19 s.n. Riverside Menifee area, c. 5.5 miles NE of Murrieta, powerline route c. 500 ft. south of 90 deg bend in Briggs Rd 427 Comment
  UCR34988  Sanicula bipinnatifida N. J. Ziegler 1973-4-9 504 Riverside San Jacinto Mtns, foothills of San Jacinto Mtns, [near Radec] 15 mi. south of Sage, near Sage/Aguanga Rd. 765 Comment
  UCR48493  Sanicula bipinnatifida Steve Boyd 1986-3-9 1397 Riverside Peninsular Range, Temescal Canyon, between Indian Truck Trail & Horsethief Wash 367 Comment
  UCR97459  Sanicula bipinnatifida A. C. Sanders, O. F. Clarke & H. Forster 1997-3-2 19760 Riverside Box Springs Mountains, E side of the range in Pigeon Pass area, above W end of Quail Call Drive, in canyon just west of section line. 610 Comment
  RSA612936  Sanicula crassicaulis D. L. Banks 1997-3-29 1641 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
  RSA613427  Sanicula crassicaulis D. L. Banks 1997-4-5 1665 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just east of the Wilderness Area boundry with the Pechanga Indian Reservation., Along a tributary of the north fork of Pechanga Creek. 670 Comment
  RSA614423  Sanicula crassicaulis D. L. Banks 1997-3-29 1556 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., West of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  RSA125530  Sarcodes sanguinea R. Weatherby 1949-6-6 648 Riverside San Jacinto Mts., Dark Canyon 1982 Comment
  SD63339  Sarcodes sanguinea Walter Birtsch 1957-6-29 958 Riverside Santa Rosa Mountains, Desert Slope of Toro Peak 2660 Comment
  UCR155296  Sarcostemma cynanchoides T. B. Salvato, Kent Beaman 2005-5-16 791 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
  UCR52212  Sarcostemma hirtellum Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2099 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  RSA511534  Satureja chandleri Jeri Hirshberg 1989-3-27 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta; Miller Canyon 457 Comment
  SEINET212601 Image available Schismus barbatus N. H. Holmgren, PK Holmgren; R. E. Kern 1973-3-22 6496 Riverside Rice Valley 7 miles sout-southwest of Rice 274 Comment
  UCR92307  Schoenoplectus acutus var. occidentalis Scott D. White, S. Ogg 1994-10-17 2470 Riverside Temecula Valley, Murrieta Creek, 1000-3000 ft. south of Winchester Road bridge (Banana Avenue) 317 Comment
  POM19847  Schoenoplectus americanus Mary F. Spencer 1923-6-5 2253 Riverside Soboba Hot Springs, near San Jacinto. Alt. 1800 ft. 549 Comment
  SDSU19224  Schoenoplectus americanus Kristen Hasenstab, Dave Bailey 2008-8-7 181 Riverside Santa Margarita Ecological Reserve, within 150m of gaging station at the Gorge river crossing. 1m from the edge of the river. 215 Comment
  SDSU13638  Schoenoplectus californicus W. Miller 1972-8-24 Riverside Comment
  POM1405  Schoenoplectus maritimus Phillip A. Munz 1918-4-27 2129 Riverside Between Murrieta and Temecula. Comment
  POM319709  Scirpus acutus var. occidentalis Patricia Wilder 1970-10-30 4851 Riverside Along road on south side of Prado Flood Control Basin east of Prado Dam. East of Chino Hills, Santa Ana River Drainage Area. 152 Comment
  UCR60253  Scirpus cernuus var. californicus Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3638 Riverside Butterfield Valley, Vail Lake area, Temecula Creek, SE of the lake, just north of Hwy 79 488 Comment
  CAS-BOT-BC111014  Scirpus microcarpus Samuel Bonsal Parish; William Fletcher Parish 1882-6-1 1051 Riverside Banks of streams, etc, San Jacinto Mts. Comment
  CAS-BOT-BC111021  Scirpus microcarpus M. F. Spencer 1919-6-28 1234 Riverside San Jacinto Mt., Idyllwild. 1645 Comment
  UCSB72211  Scutellaria bolanderi subsp. austromontana Sanders, A.; Thomas, Tim; Salvato, T. 2008-6-25 Riverside Peninsular Range; San Jacinto Mtns; May Valley c. 1.0 mi. WSW of Fleming Ranch; along nameless tributary of Herkey Creek (Idyllwild 7.5' Q.,±1000m;T5S R3E S20, SE/4). 1585 Comment
  SD84920  Scutellaria mexicana Nancy Ryan Zabriskie, Walter Zabriskie 1972-3-30 504 Riverside Below Pinyon Crest in Chapman's Rancheros area toward Dos Palmas Spring; northwest of Highway 74 in Santa Rosa Mountains. 1096 Comment
  RSA0104949  Scutellaria siphocampyloides Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8568 Riverside Santa Rosa Mountains; along Forest Service Road 7S02, approx. 0.7 air mile west of the summit of Santa Rosa Mountain. 2233 Comment
  SDSU8013  Scutellaria tuberosa D. F Howe 1947-4-29 1554 Riverside Santa Ana Mts. Comment
  CAS-BOT-BC64740  Sedum niveum Reid Moran 1968-8-3 15346 Riverside Ridge 1 mile NW of Toro Peak. 2250 Comment
  RSA683701  Selaginella bigelovii P. J. Remple 1942-3-2 s.n. Riverside Whitewater Canyon. Comment
  RSA85942  Selaginella bigelovii Frank W. Peirson 1921-3-22 s.n. Riverside Murray Canyon, near Palm Springs 487 Comment
  SDSU1921  Selaginella watsonii Clinton S. Kimball, Augustus B. Kimball and Rennselaer J. Smith 1908-6-28 274 Riverside Summit of San Jacinto Mt. Comment
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Oct 13 2011
  UC489137  Senecio C. V. Meyer June 1927 212 Riverside foot of Idyllwild Grade San Jacinto Mts. 762 Comment
  UC1746504  Senecio californicus Mitch Provance 2000-4-8 2010 Riverside Jurupa Mountains; S extension of ''Rattlesnake Mt.'', <100 m W of peak 1739. Comment
  OBI37520  Senecio douglasii var. douglasii Steve Boyd 1985-8-7 1113 Riverside Santa rosa Plateau Region. Clinton Keith Rd, 1.7 mi E of gate to The Nature conservency Preserve Comment
  CAS-BOT-BC327420  Senecio flaccidus var. douglasii unspecified 1901-7-1 4443 Riverside Strawberry Valley Comment
  RSA500156  Senecio flaccidus var. douglasii Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-6-4 3645 Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Hwy 79. 488 Comment
  RSA791478  Senecio flaccidus var. monoensis J. Andre 2012-4-16 20930 Riverside Joshua Tree National Park;; along Cottonwood Spr. Rd, 2.4 mi. north of Cottonwood Visitor's Ctr..mixed sonoran-mohaven scrub. 956 Comment
  POM15176  Senecio mohavensis Mary F. Spencer 1922-3-27 1926 Riverside Shavers Canyon. Mecca, Colorado Desert. 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
  UCR41458  Senecio mohavensis A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6137 Riverside Sonoran (Colorado) Desert, N foot of the Chuckwalla Mountains, 2.75 mi (airline) SE of Desert Center 367 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
  CAS-BOT-BC364258  Senecio triangularis H. M. Hall 1901-7-1 2535 Riverside San Jacinto Mountains. Branch of Snow Creek 2499 Comment
  JEPS17286  Senecio triangularis Carl V. Meyer 1928-7-26 536 Riverside Deer Springs San Jacinto Mountains 2590 Comment
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Aug 30 2011
  LA77503  Senegalia greggii Tom O'Donnell; 1953-5-24 sn Riverside 2 mi. from the intersection of Highway 74 and 111 Comment
  UCR162620  Senna artemisioides Nathan Moorhatch 2003-3-19 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Cathedral City, Whitewater River channel at Date Palm Drive 91 Comment
  UCR255985  Sequoiadendron giganteum Rudolf Schmid, Mena Schmid 2009-5-1 2009- 06 Riverside NW San Jacinto Mountains, northeast of Hwy 243 c. 16 hwy km northwest of Idyllwild, in the south unit of the San Bernardino National Forest, on southwest flank of Black Mountain 2145 Comment
  UCR122570  Sesbania herbacea George K. Helmkamp, E. A. Helmkamp 2000-8-29 5984 Riverside Colorado Desert., South of Mecca, where Lincoln St. crosses the Whitewater River, about 0.5 mile from the Salton Sea -67 Comment
  UC1100455  Setaria verticillata Malcolm A. Nobs and S. Galen Smith 1948-9-3 492 Riverside 2 mi. n. Indio; Imperial Valley Comment
  RSA679067  Sidalcea malviflora subsp. sparsifolia Scott D. White, Michael Honer 2003-6-3 9466 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UC871472  Sidalcea malviflora subsp. sparsifolia P. A. Munz and I. M. Johnston 1922-5-19 5428 Riverside Hemet Valley San Jacinto Mts., Hemet Valley 1402 Comment
  CAS-BOT-BC109431  Sidotheca caryophylloides Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild. Comment
  RSA234081  Silene laciniata subsp. major R. F. Thorne, E. W. Lathrop 1969-6-6 39330 Riverside Santa Rosa Plateau: Rancho California 610 Comment
  POM19801  Silene parishii var. viscida Mary F. Spencer 1923-7-15 2183 Riverside Tahquitz Peak Ridge 2439 Comment
  RSA438853  Silene parishii var. viscida Kessler 18163 Riverside San Jacinto Mts. See notes field. Comment
  RSA438854  Silene parishii var. viscida Albert J. Perkins 1915-9-6 s.n. Riverside San Jacinto Mt. Comment
  UC1929483  Silene verecunda subsp. platyota Valerie Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1701 Riverside Peninsular Ranges; San Jacinto Mountains region; Junction of Dark Canyon and Fuller Mill Creek. Comment
  CAS-BOT-BC202938  Simmondsia chinensis C. L. Hitchcock 1940-3-31 5891 Riverside Between Cottonwood Spring and Pinto Basin Comment
  LA209629  Simmondsia chinensis George A. Schaefers; 1953-5-24 sn Riverside 4 mi from Indio, Palm Springs junction, Hwy 74 Comment
  UC519862  Simmondsia chinensis N. Dunn and A. M. Martin Mar 26 1932-Mar 27 1932 Riverside Cottonwood Spring Comment