Search Results — 2000 specimen records retrieved (1886 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SD245411  Abronia villosa Sarah De Groot, April Garbat 2013-3-28 6995 Riverside Along Highway 177 at sandy area just south of the Desert Lily Sanctuary, Chuckwalla Valley, just south of Coxcomb Mountains. 152 Comment
  SEINET3092168 Image available Abronia villosa John Adams 1965-4-17 124 Riverside Hwy 111, 2 mi. E of Palm Springs near foothills. Comment
  UC912625  Abronia villosa H. L. Mason 1928-3-10 4193 Riverside Whitewater River Comment
  SEINET11941850  Abronia villosa E. A. Purer 1935-1 6453 Riverside Near Palm Springs, W edge of Colorado Desert Comment
  RSA652384  Abronia villosa var. aurita Don Lage, Den Chapman, Glenn Hartrhorn 1949-4-9 s.n. Riverside Indio. 8 Comment
  JOTR16747  Abronia villosa var. villosa Walters, Jim 1967-3-4 s.n. Riverside Joshua Tree National Park. ROAD TO LOST HORSE 1249 Comment
  RSA749943  Abronia villosa var. villosa Justin M. Wood 2009-3-26 410 Riverside [Coachella Valley:] Bermuda Dunes; Avenue 38, between Washington St and I-10. 37 Comment
  UCR249664  Abronia villosa var. villosa T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7301 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  CAS-BOT-BC203219  Abutilon Elizabeth McClintock 1958-4-2 s.n. Riverside East side of Salton Sea Comment
  SD146226  Abutilon theophrasti A. C. Sanders, Mitch Provance 1999-9-26 23105 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. southeast of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring. 433 Comment
  RSA737110  Acacia redolens Justin M. Wood 2008-10-29 211 Riverside Temecula- Murrieta Creek, downstream of 1st street bridge. 293 Comment
  OBI17153  Acamptopappus sphaerocephalus H. E. McMinn 1935-6-27 4071 Riverside Palms to Pines Highway Comment
  RSA416161  Acamptopappus sphaerocephalus var. sphaerocephalus Ora M. Clark 1923-2-23 1546 Riverside south of Cabazon Colorado Desert Comment
Read comments
Mar 13 2011
  UC63855  Acer negundo var. interior H. M. Hall 1897-4-16 480 Riverside hills s Beaumont; hills s of Beaumont Comment
  RSA6009  Achillea millefolium Carl B. Wolf 1932-8-4 3926 Riverside Strawberry Valley, 1.5 miles froStrawberry Valley.m Idyllwild on road to Banning 1707 Comment
  UC891013  Achillea millefolium P. A. Munz 1922-6-24 5794 Riverside on wet banks of Pepe Creek Hemet Valley; San Jacinto Mts 1463 Comment
Read comments
Mar 25 2011
  CAS-BOT-BC260436  Achnatherum hymenoides H. M. Hall 1899-5-24 1163 Riverside San Jacinto Mountains. Van DeVenders 1371 Comment
  RSA757742  Achnatherum speciosum LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 s.n. 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
  POM13031  Achyronychia cooperi P. A. Munz 1922-4-14 4966 Riverside Indian Wells 91 Comment
  RSA423485  Achyronychia cooperi F. R. Fosberg 1932-3-13 8076 Riverside Thousand Palm Canyon, Coachella Valley Comment
  SD51943  Acmispon americanus Reid Moran 1962-7-7 9865 Riverside Strawberry Creek, 2.0 miles southwest of Idyllwild, San Jacinto Mountains. 1550 Comment
  SDSU12235  Acmispon glaber var. brevialatus Tahirih Linz, M. G. Simpson 2000-4-1 3 Riverside Comment
  JOTR34137  Acmispon maritimus var. brevivexillus La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3090 Riverside Joshua Tree National Park. West Cottonwood Mountains; rocky bench between deep drainages in large southwest facing canyon feeding into east Pinkham Wash Comment
  SD132392  Acmispon micranthus Jerilyn Hirshberg 1989-3-22 Riverside Santa Rosa Plateau, on mesa top 609 Comment
  SBBG65794  Adenophyllum porophylloides Anstruther Davidson, S. B. Parish 1898-1 Riverside Palm Springs Comment
  UC31368  Adenophyllum porophylloides H. M. Hall 1901-6-1 2109 Riverside along the borders, at eastern base of the San Jacinto Mts Colorado Desert; San Jacinto Mountains Comment
  UCR16481  Adenostoma fasciculatum Joe Buriel 1966-4-22 s.n. Riverside Peninsular Range, 5 miles north of Temecula off Hwy 395. Along small service road bordered by telephone poles 457 Comment
  CAS-BOT-BC139871  Adenostoma sparsifolium Louis C. Wheeler 1941-10-4 175 Riverside Hemet-Idyllwild Road, San Jacinto Mts. 1371 Comment
  UCR95944  Adenostoma sparsifolium Scott D. White 1996-8-1 4456 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
  UCR240630  Agoseris retrorsa Tracy Tennant, Mitch Provance 1998-6-16 MOR- 401 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1052 Comment
  POM49466  Agrostis exarata P. A. Munz, I. M. Johnston 1924-7-28 8816 Riverside Pine Flats 1738 Comment
  RSA172212  Aliciella latifolia R. F. Thorne 1963-3-29 32392 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
  UCR228840  Allium haematochiton A. C. Sanders, T. B. Salvato 2011-4-27 39339 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
  UCR281231  Allium haematochiton Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-28 317- 54 Riverside Temescal Valley, Southern foot of the Gavilan Hills, slopes west of Black Powder Rd. 427 Comment
  SEINET12049414  Allium hyalinum B. C. Templeton 1930-1 1484 Riverside N of Gavilan[????]? 550 Comment
  RSA574725  Allium munzii Steve Boyd 1982-3-28 s.n. Riverside Gavilan Hills region, Temescal Canyon, south slope of Alberhill Mountain just east of extensively mined area. 427 Comment
  RSA70180  Allium munzii F. W. Peirson 1922-4-28 2961 Riverside Temescal Canyon, western Riverside Co.. 320 Comment
  UCR144117  Allium munzii Scott D. White, Kurt Cambell, John Resek 2000-4-26 7736 Riverside Santa Ana Mtns, Lake Elsinore area, low hill west of intermittent channel (drains Walker Canyon). SW of Collier Ave. and NW of Riverside Dr. 412 Comment
  UCR202615  Allium parryi Scott D. White, Justin M. Wood 2008-6-17 12191 B Riverside San Jacinto Mountains, Morris Ranch Road, open area west of Goff Flat 1641 Comment
  SEINET8467245 Image available Allium peninsulare J. C. Roos 1948-5-22 3865 Riverside In a canyon SE of the summit of Reche Canyon 732 Comment
  POM161529  Allophyllum divaricatum Ralph Hoffmann 1929-9-6 s.n. Riverside Tahquitz Valley, San Jacinto Mts. 2438 Comment
  RSA16503  Allophyllum glutinosum Percy C. Everett 1935-6-17 7155 Riverside Coldwater Can. trail to Santiago Peak, 1.5 mi. above Glen Ivy Resort. 564 Comment
  RSA770792  Alnus rhombifolia Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4533 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SDSU13508  Alnus rhombifolia W. Miller with C. Mosse 1972-7-19 Riverside 200 yards upstream of river, south side (from beaver dam). Comment
  RSA512128  Amaranthus blitoides Ed LaRue 1989-4-21 s.n. Riverside Moreno valley, University of California agricultural experimental farms, ca. 1/2 mi. S of Alessandro Blvd. at NE corner of Catus Ave. & Nason Street. Comment
  UCR125907  Amaranthus blitum A. C. Sanders 2002-11-10 25623 Riverside San Bernardino/Santa Ana River Valley Region, Riverside, weed in yard at 422 Campus View Dr. 341 Comment
  CLARK-A1528-1395  Amaranthus fimbriatus John C. Roos 1963-10-23 Riverside Chuckwalla Mountains Comment
  RSA302135  Amaranthus fimbriatus J. R. Shevock 1972-10-14 2320 Riverside Upper Coyote Canyon, Anza Borrego St. Park. Comment
  SEINET10389835  Amaranthus fimbriatus A. C. Sanders, Jim Malusa 2015-9-10 41862 Riverside Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range 480 Comment
  RSA711758  Amaranthus retroflexus B. L. Phillips 1994-9-12 s.n. Riverside A weed on the UCR campus at the community vegetable gardens at the NE corner of the intersection of Canyon Crest Dr. and M.L. King Blvd. (=Pennsylvania Avenue). Comment
  RSA0078222  Amaranthus watsonii Sarah J. De Groot, Amy Rouillard 2015-9-15 7560 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 107 Comment
  POM263162  Ambrosia acanthicarpa J. C. Roos 1937-8-19 359 Riverside Thomas Valley, San Jacinto Mts. Comment
  LA202914  Ambrosia dumosa J. A. Ewan; 1931-4-2 4098 Riverside 10 mi. N of Edom Comment
  RSA597463  Ambrosia dumosa L. C. Wheeler 1959-12-27 7644 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
Read comments
Mar 3 2013
  RSA761082  Ambrosia dumosa Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-20 143 Riverside Hwy 177. N of Desert Center and Desert Lily Sanctuary. E of Joshua Tree National Park border. 274 Comment
  UC68912  Ambrosia dumosa H. M. Hall 1905-4-1 5907 Riverside near Mule Springs; Colorado Desert Comment
Read comments
Sep 11 2011
  UCR100206  Ambrosia dumosa B. G. Pitzer 1997-10-19 3361 Riverside Sonoran (Colorado) Desert, north foot of Chuckwalla Mtns., Eagle Mtn. Road on south side of Hwy I-10, c. 0.8 mi. south of Hwy at powerline road 500 Comment
  UCSB18366  Ambrosia dumosa Kruger, Dave 1964-5-10 Riverside State Highway 74, 7 miles E of Pinyon Flats Campground 914 Comment
  UC1595693  Ambrosia ilicifolia W. Wisura, J. Romero, and M. Husar 1992-4-24 4706 Riverside n base of Chuckwalla Mts. (Corn Spring); Colorado Desert, , Corn Spring Comment
  UC219179  Ambrosia ilicifolia P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4782 Riverside vicinity Corn Springs; Colorado Desert, Chuckwalla Mountains 457 Comment
  UCR141234  Ambrosia psilostachya A. C. Sanders, Mike Misenhelter 2004-10-6 28833 Riverside Santa Ana Mtns./Santa Rosa Plateau, hill 2139 at west end of the Mesa De Colorado, private land on the west side of Via Volcano adjacent to the Santa Rosa Plat. Ecol. Reserve 640 Comment
  CAS-BOT-BC273010  Ambrosia salsola Roxana S. Ferris 1953-3-9 12596 Riverside Access road to Los Angeles Aqueduct up Berdoo Canyon, about 2 miles northeast of Indio-Desert Hot Springs road Comment
  CAS-BOT-BC273038  Ambrosia salsola Geo. B. Grant 1906-5-1 609 -6736 Riverside Colorado Desert at Palm Springs Comment
  RSA802140  Amelanchier Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 5009 Riverside Strawberry Creek to the southwest of Strawberry Valley, about 2.4 air miles southwest of Idyllwild. 1534 Comment
  SD148121  Ammannia coccinea D. E. Bramlet, A. C. Sanders et al. 1999-10-15 2818 Riverside 198 m S of Gilman Hot Springs Rd., 1.22 km NW of Hwy 79 and 2.1 Km S of Jackrabbit Trail. 433 Comment
Read comments
Mar 21 2011
  CAS-BOT-BC180627  Amorpha californica var. californica Mrs. A. R. Seitz 1915-7-16 s.n. Riverside Banning Canyon Comment
  SD229150  Amorpha fruticosa Dick Schwenkmeyer 2012-11-6 877 Riverside West fork of Palm Canyon, Agua Caliente Indian Reservation, 4.7 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 227 Comment
  UCR209168  Amorpha fruticosa var. occidentalis A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37159 Riverside Peninsular Range, Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River 238 Comment
  RSA613652  Amsinckia intermedia D. L. Banks, Victor Steinmann 1997-3-13 1467 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
  RSA702188  Amsinckia intermedia Scott D. White, Michael Honer 2004-3-11 9899 Riverside Corona area. Approximately 1/2 air mile E of I-15 and 1 air mile N of El Cerrito Rd. 290 Comment
  UC494722  Amsinckia intermedia Philip A. Munz 1932-3-24 12025 Riverside n of Elsinore 304 Comment
  RSA0091473  Amsinckia tessellata C. L. Hitchcock 1940-4-2 5912 Riverside Cottonwood Spring wash, Joshua Tree National Monument. Comment
  SEINET7063025  Amsinckia tessellata var. gloriosa A. G. Vestal 1962-3-29 s.n. Riverside About 4.6 miles northeast of Murieta. UTM Zone 11, 487800mE, 3712252mN. (WGS84/NAD83). 346 Comment
  JOTR31082  Amsonia tomentosa La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2345 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west of Ryan Mountain; Monzo-granitic boulder outcrop south of Ryan Mountain campground (Stop 2) Comment
  UC667264  Amsonia tomentosa Annie M. Alexander and Louise Kellogg 1941-5-23 2225 Riverside 1/2 mi. n. Cottonwood Spring; Colorado Desert, Eaagle Mts. 914 Comment
Read comments
May 20 2012
  UCR89532  Amsonia tomentosa Bern Schwenn 1994-4-29 s.n. Riverside Little San Bernardino Mtns., Joshua Tree National Monument [now J.T. National Park], flat between Ryan Campground and Ryan Ranch. 1345 Comment
  RSA19239  Amsonia tomentosa var. tomentosa I. W. Clokey 1935-4-17 s.n. Riverside Cottonwood Springs. Comment
  CLARK-A1528-775  Anagallis arvensis Leland R. Dykes 1962-5-1 54 Riverside Santa Ana Mountains Comment
  UCR49269  Anagallis arvensis Steve Boyd 1986-5-1 1804 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  RSA92461  Ancistrocarphus filagineus J. C. Roos, L. Roos 1954-5-11 6118 Riverside Reche Canyon (Same locality as number 4773) 610 Comment
  RSA628492  Anemopsis californica A. C. Sanders, K. C. Rose 1999-6-18 22808 Riverside Skinner/Domenigoni area: French Valley, E side of Washington Ave. near Rawson Rd. 451 Comment
  RSA735853  Anthemis cotula Scott D. White, Justin M. Wood 2008-4-15 11876 Riverside Perris Valley: Interstate 215, between Nuevo Rd and Scott Rd. 427 Comment
  RSA343092  Antirrhinum coulterianum Robert F. Thorne, E. W. Lathrop, S. Meury 1985-5-18 60622 Riverside Santa Rosa Plateau: Burned-over chapparral along Clinton Keith Road, near base of plateau. 427 Comment
  RSA503413  Antirrhinum coulterianum J. D. Olmsted 1962-5-10 3642 Riverside Crest between Sandia Creek and DeLuz Creek drainages. 259 Comment
  UCR158507  Antirrhinum coulterianum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30035 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
  UCR7107  Antirrhinum cyathiferum Lloyd Tevis 1968-2-9 s.n. Riverside Sonoran (Colorado) Desert, S of Palm Desert, Coyote Wash at junction with Deep Canyon Wash on Deep Canyon Floodplain 274 Comment
  JEPS5312  Antirrhinum filipes S. B. Parish 1920-3-26 20025 Riverside Indian Wells; Colorado Desert, Coachella Valley Comment
  UCR102710  Antirrhinum filipes B. G. Pitzer 1998-1-24 3395 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  UCR133647  Antirrhinum nuttallianum Michael D. Wilcox 2003-5-13 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  RSA504546  Antirrhinum nuttallianum subsp. nuttallianum Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca 1 mi SE of town on [of] Nuevo. 640 Comment
  RSA614530  Antirrhinum nuttallianum subsp. nuttallianum A. C. Sanders, P. J. MacKay, Tim Thomas, O. F. Clarke 1997-5-4 20701 Riverside N side of the range, Twin Pines Creek below the confluence with Brown Creek. below the confluence with Brown Creek. 854 Comment
  CAS-BOT-BC218515  Apiaceae Elizabeth McClintock 1965-6-25 s.n. Riverside Santa Rosa Mountain, a short distance below summit Comment
  RSA524451  Apiastrum angustifolium Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4087 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  SD122932  Apium graveolens Steve Boyd 1985-7-23 1011 Riverside De Luz Road, 7 miles west of Rancho California. 365 Comment
  SEINET3080987 Image available Apium graveolens Michael DeJong 1971-5-2 Riverside Found between West end of lake in Fairmont Park and the Santa Ana River bottom Comment
  UC64596  Apocynum androsaemifolium H. M. Hall 1897-8-13 847 Riverside San Jacinto Mts. 1828 Comment
  UC855413  Arabis glaucovalvula C. L. Hitchcock 1940-4-4 5941 Riverside between Cottonwood Springs and Pinto Basin Comment
  RSA0011414  Arabis sparsiflora Duncan S. Bell, Caitlin Elam 2013-5-21 4968 Riverside On the southern side of West Ridge at the southern end of Strawberry Valley about 1.75 air miles southwest of Idyllwild. 1592 Comment
  UCR201670  Arabis sparsiflora Scott D. White, Justin M. Wood 2008-6-19 12276 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  JEPS40125  Arceuthobium campylopodum Carl V. Meyer 1929-1-5 688 Riverside Tahquitz Ridge San Jacinto Mtns 1981 Comment
  UC1618107  Arceuthobium campylopodum Donald G. Nelson 1936-5-24 422 Riverside Hurkey Creek Camp Comment
  UCR205285  Arceuthobium campylopodum Scott D. White, T. B. Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8651 Riverside San Jacinto Mtns, Idyllwild area; 'Strawberry Fuelbreak' between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek 1646 Comment
  RSA629444  Arctostaphylos glandulosa Jon E. Keeley 1992-7-16 16575 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA0063794  Arctostaphylos glandulosa subsp. glandulosa W. Pequegnat 1940-5-25 s.n. Riverside Modjeska Springs, Santa Ana Mts. Comment
  UCD105722  Arctostaphylos glandulosa subsp. glaucomollis T. Scott; A. Townesmith, K. M. Meyer 2007-3-15 130 Riverside San Bernardino National Forest. 9.4 mi. S on 243 (Palms to Pines National Scenic Byway) from US 10. Along side of road at pull-off before Diamond Zen Rd. 1298 Comment
  RSA629408  Arctostaphylos glandulosa subsp. leucophylla Allen Massihi, Jon E. Keeley, Robert Goar 1992-8-11 19497 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd. Below large boulders, southern Santa Ana Mtns. 850 Comment
  UC922081  Arctostaphylos glandulosa subsp. zacaensis Frank W. Gould 1943-4-18 2134 Riverside mt. slopes 8 mi e Idlewild Comment
Read comments
Sep 29 2011
  CAS-BOT-BC24671  Arctostaphylos glauca Steve Boyd 1986-4-19 1704 Riverside Temescal Canyon: e. side of Indian Wash between I-15 and Temescal Canyon Rd. Comment
  RSA604867  Arctostaphylos glauca Scott D. White 1995-12-24 3801 Riverside Lakeview Mts. About 7 road miles SE of Davis Rd./Ramona Expwy. intersection. 671 Comment
  RSA635692  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-16 16596 Riverside Hwy 371 & Burnt Valley Rd. San Jacinto Mtns. 1250 Comment
  RSA635797  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16553 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  RSA635809  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16545 Riverside Red Mountain Road, 9.5-10.3 km east of R3. 1050 Comment
  UCR193568  Arctostaphylos pungens A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35612 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mile SW of Fleming Ranch, along dirt track 1555 Comment
  RSA636027  Arctostaphylos rainbowensis Jon E. Keeley 1992-4-5 15062 Riverside Rainbow Canyon Rd., 2 km south of Pala Rd. 370 Comment
  RSA636158  Arctostaphylos rainbowensis Jon E. Keeley 1992-8-2 18814 Riverside East of Hwy 15, off Rainbow Cyn. Rd., 3 km north of San Diego Co. line. 400 Comment
  RSA636171  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19482 Riverside West of Temecula, off Colman Rd., 0.8 km north of Carancho Rd. and west of De Luz Rd., eastern Santa Margarita Mountains. 590 Comment
  SD180719  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-2 401 Riverside Santa Margarita Ecological Reserve, east of A!Highlands TrailA(r) on mesa top, ca. 100m east of weather station. Among boulders, exposed, 0 slope. 654 Comment
  UC1605406  Arctostaphylos rainbowensis Steve Boyd 1994-10-14 8380 Riverside Fisherman's Camp, upper end of Fisherman's Camp Trail (7S02) from Wildomar Road (7S01) W into Tenaja Canyon at its confluence with San Mateo Canyon Southern Santa Ana Mts., San Mateo Canyon Wilderness Area, C Comment
  POM285872  Argemone munita subsp. munita Gerald B. Ownbey, Findley Ownbey 1954-8-7 2178 b Riverside 13.2 mi. of Idyllwild, Hemet Valley. 1372 Comment
  CAS-BOT-BC207132  Argythamnia lanceolata Noel H. Holmgren; Patricia K. Holmgren; Ruth E. Kern 1973-3-21 6425 Riverside Big Maria Mountains, 12 airline miles north of downtown Blythe 289 Comment
  RSA676257  Aristida adscensionis Scott D. White 2001-4-3 8232 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10/SR 111. 396 Comment
  UCR131731  Aristida adscensionis C. B. Wolf 1932-4-27 02987 Riverside Western Colorado Desert, 14 mi. east of Mecca, on Blythe Road, east of Shavers Well 152 Comment
  UCR163083  Aristida adscensionis B. G. Pitzer 2000-5-7 4137 Riverside Sonoran (Colorado) Desert, extreme north end of Orocopia Mountains, Shavers Valley, at base of hills c. 0.5 mi. SE of Box Canyon Road. 341 Comment
  UCSB298  Aristida adscensionis Graney, Don 1953-3-21 Riverside 13 mi E of Indio; Colorado Desert Comment
  POM1093  Aristida adscensionis var. modesta I. M. Johnston 1918-4-27 1861 Riverside Temescal Canon (Between Elsinore and Corona) 366 Comment
  POM310162  Aristida adscensionis var. modesta Hulda Crooks 1946-3-2 271 Riverside Palm Springs area. 139 Comment
  CLARK-A1528-1263  Aristida californica John C. Roos 1946-9-14 3007 Riverside Dos Palmas Spring 1066 Comment
  POM1099  Aristida californica var. californica H. M. Hall 1905-05 5963 Riverside Canyon along Colorado River. Comment
Read comments
Nov 21 2011
  CLARK-A1528-4469  Aristida fendleriana John C. Roos 1938-8-7 583 Riverside San Jacinto Mountains Comment
  LA206320  Aristida purpurea F. M. Reed; 1906-7-8 1129 Riverside W of Pedley Station on Salt Lake, Vicinity Comment
  UCD56549  Aristida purpurea var. nealleyi Alan A. Beetle 1946-6-10 4406 Riverside Near Palm Springs. Comment
  CAS-BOT-BC137514  Aristida purpurea var. purpurea J. C. Roos 1965-6-23 s.n. Riverside Lost Palms Canyon, Eagle Mountains. Comment
  UCR19696  Aristida purpurea var. wrightii J. R. Holliday 1969-5-5 44 Riverside Peninsular Range; San Jacinto Mtns. Foothills, Hwy 79, 1.5 mi NW of Gilman Hot Springs, 200 yards north of the road junction 463 Comment
  SD233728  Artemisia douglasiana A. C. Sanders, Kelly Volansky 2003-10-16 27350 Riverside Moreno Valley: lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. Alluvial slopes and low hills cut by sandy washes. 534 Comment
  SEINET10723671  Artemisia ludoviciana David B. Dunn 1946-8-17 Dunn 2701 Riverside On trail to Taquitz from Taquitz Valley campground. On dry hillside among bracken ferns. Comment
  RSA417354  Artemisia ludoviciana subsp. ludoviciana L. C. Wheeler 1933-12-2 2297 Riverside Tahquitz Canyon, San Jacinto Mts. 700 Comment
  UCSB38400  Artemisia nova Ziegler, Louis 1964-7-11 Riverside Two miles northeast of Kenworthy Ranger Station Comment
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Apr 22 2013
  SD229066  Artemisia tridentata Dick Schwenkmeyer 2012-3-26 661 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx 1 mile northeast of junction of Highway 74 and Morris Ranch Road, base of steep bouldery slope. 1374 Comment
  SEINET3386498 Image available Artemisia tridentata subsp. tridentata R. E. Riefner Jr. 2006-9-19 442 Riverside Temecula Valley, ca 0.1 mi west of I-15 Freeway along Temecula Creek 301 Comment
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Feb 28 2016
  SD140128  Arthrocnemum subterminale A. C. Sanders 1993-5-12 14006 Riverside Hemet, southwest corner of the intersection of Florida Ave. (Highway 74) and Warren Road, between New San Diego Aqueduct and Warren. 455 Comment
  SEINET229305  Asclepias albicans Unknown 1985-4-16 8254 Riverside North side of Chuckwalla Mountains. About 10 miles east of Desert Center. 183 Comment
  UCR4613  Asclepias albicans John Dean 1965-1 s.n. Riverside Eastern Colorado Desert, Hwy 95, 20 mi. north of Blythe, near Blythe [Palo Verde] intake dam 153 Comment
  RSA496471  Asclepias californica Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-31 3086 Riverside Vail Lake area, S of Hwy 79, Kolb Creek drainage, W of Woodchuck Rd. 488 Comment
  UC22959  Asclepias californica H. M. Hall June 1901 2159 Riverside Vandeventer Flat San Jacinto Mountains 1432 Comment
  SEINET955306  Asclepias eriocarpa Al Grable 1976-1 6497 Riverside San Jacinto Mountains, San Bernardino National Forest. Near May Valley Road (PC 2000) between South Ridge Trail and locked gate at edge of private land. 1646 Comment
  UC22969  Asclepias eriocarpa H. M. Hall July 1901 2505 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1584 Comment
  RSA0112098  Asclepias erosa Duncan S. Bell 2009-8-15 429 Riverside Northeast side of the Arica Mountains, where the railroad tracks cross Midland Road. 251 Comment
  RSA796747  Asclepias subulata J. Andre 2012-4-11 20843 Riverside Orocopia Mountains: north end of range, along dirt road 2.8 mi due south of I-10 at Box Canyon Rd/Cottonwood Rd Exit. 624 Comment
  UCR163086  Asclepias subulata B. G. Pitzer 2000-5-7 4147 Riverside Sonoran (Colorado) Desert, extreme north end of Orocopia Mountains, Shavers Valley, at base of hills c. 0.5 mi. SE of Box Canyon Road. 341 Comment
  POM158199  Aster subulatus var. ligulatus Philip A. Munz, I. M. Johnston 1928-9-6 11282 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  CAS-BOT-BC177460  Astragalus aridus Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13229 Riverside 2.4 mi. S of Rice, on road to Midland and Blythe Comment
  CAS-BOT-BC177529  Astragalus bicristatus Elizabeth McClintock 1965-6-25 s.n. Riverside Santa Rosa Mountain, a short distance below summit Comment
  RSA670366  Astragalus crotalariae B. C. Templeton 1930-3-22 1637 Riverside Palm Springs. 400 Comment
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Jan 4 2012
  RSA171359  Astragalus douglasii var. parishii J. D. Olmsted 1962-5-3 3516 Riverside Along road from Santa Rosa Indian Reservation to old village, etc. At first canyon crossing to SW side. 1555 Comment
  RSA210969  Astragalus douglasii var. parishii C. W. Tilforth 1969-7-25 228 Riverside Arroyo Seco Creek, So. of Dripping Springs Camp Ground, c. 10 mi. E of Temecula. Comment
  UCR168456  Astragalus filipes Orlando Mistretta, Mark A. Elvin 1995-6-19 1780 Riverside Peninsular Ranges; San Jacinto Mountains, State Hwy 74 [San Jacinto River Canyon above Cranston Guard Station, vicin. of old Idyllwild Control Rd.] 1433 Comment
  RSA90215  Astragalus filipes F. W. Peirson 1922-5-20 3341 Riverside Hemet Valley, San Jacinto Mountains. 1371 Comment
  UCR171956  Astragalus gambelianus John F. Green 2006-4-18 s.n. Riverside NE of Murrieta, just south of Los Alamos Rd. ('Clinton Keith Rd.'), on E and W sides of Liberty Rd. border between City of Murrieta and unincorporated French Valley 415 Comment
  RSA112049  Astragalus lentiginosus var. coachellae H. D. Ripley, R. C. Barneby 1942-4-2 4271 Riverside Palm Springs. 137 Comment
  UC397225  Astragalus lentiginosus var. coachellae G. B. Grant 1906-4-8 6714 Riverside Palm Springs Palm Springs (Southern California) Comment
  RSA124446  Astragalus lentiginosus var. variabilis Percy C. Everett, E. K. Balls 1958-4-29 23026 Riverside 5.4 miles NE along road to Rice and Vidal Junction from Desert Center. 259 Comment
  CAS-BOT-BC178069  Astragalus nuttallianus Peter H. Raven 1958-5-5 12897 Riverside West of Split Rock Tank, Joshua Tree National Monument Comment
  CAS-BOT-BC192759  Astragalus palmeri Reid Moran 1941-5-4 837 Riverside East of Quail Spring, Joshua Tree Nat. Mon. 1300 Comment
  SEINET2060250 Image available Astragalus palmeri Dearing Herbarium 1936-12-26 837 Riverside Pines to Palms Hwy Comment
  CHSC110689  Astragalus pomonensis Dean Wm. Taylor 2003-5-7 18539 Riverside Railroad Canyon, San Jacinto River (1.9 river miles upstream from maximum pool level for Railroad Canyon Reservoir). 426 Comment
  SD114770  Astragalus pomonensis Wayne P. Armstrong 1982-4-4 Riverside Hillsides west of Sun City housing development, west end - McCall Blvd. 424 Comment
  UCR154972  Astragalus pomonensis A. C. Sanders, Kelly Volansky 2005-3-17 29216 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  POM26331  Astragalus sabulonum Marcus E. Jones 1906-4-30 s.n Riverside Indio. Comment
  RSA0119893  Astragalus tricarinatus Duncan S. Bell, Thomas Stoughton 2016-4-12 9214 Riverside Santa Rosa Mountains; eastern side of Martinez Mountain; in a side canyon off of Martinez Canyon, approximately 3.5 air miles southwest of the junction of Agua Alta Canyon and Martinez Canyon. 861 Comment
  RSA692505  Athyrium filix-femina subsp. cyclosorum Norman C. Cooper 1944-6-17 1413 Riverside San Jacinto Mtns. above Banning. 1220 Comment
  RSA418190  Atrichoseris platyphylla L. H. Jones 1910-3-18 s.n. Riverside Riverside Mountain, near the Colorado River Comment
  SD232597  Atrichoseris platyphylla A. C. Sanders, K. Rose 1995-4-27 16734 Riverside Coachella Valley: foot of the Little San Bernardino Mtns., canyon E of Fan Hill, just outside Joshua Tree Nat. Park. 550 Comment
  UC1287097  Atrichoseris platyphylla C. L. Hitchcock 1966-3-20 24315 Riverside 5 miles north of Milpitas Wash (and 12 miles NW of Blythe-Glamis Road) Comment
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Mar 2 2013
  UCR167264  Atrichoseris platyphylla John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  POM202640  Atriplex canescens W. M. Ingram 1934-10 4 Riverside Colorado Desert Comment
  RSA5456  Atriplex canescens C. B. Wolf 1932-10-13 s.n. Riverside Cottonwood Springs. Eagle Mountains 290 Comment
  SBBG1755  Atriplex canescens H. and M. Dearing 1936-12-25 151 Riverside Thousand Palms Comment
  SD40819  Atriplex canescens Carl B. Wolf 1932-10-13 4306 Riverside Eagle Mountains, Cottonwood Springs. 950 Comment
  SEINET3090648 Image available Atriplex canescens H. S. Gentry 1954-7-24 14249 Riverside Aguanga Comment
  SEINET3930590  Atriplex canescens R. L. Piemeisel 1914-9-25 4044 Riverside 4 mi. W. of Indio Rd. to Indian well.; 0 Comment
  UCR142799  Atriplex canescens I. M. Johnston 1917-4-4 1033 Riverside Sonoran (Colorado) Desert, near Palm Springs 183 Comment
  CAS-BOT-BC170210  Atriplex canescens subsp. canescens K. Larson 1976-9-30 60062 B Riverside So. of Big Maria Mtns., No. of Blythe Comment
  UC850852  Atriplex canescens subsp. canescens Carl B. Wolf 1932-10-13 4321 Riverside ne side Salton Sea (Durmid, ne side of S.P.R.R. Tracks, Colorado Desert); Colorado Desert, ne side Salton Sea, Durmid -60 Comment
  SD80078  Atriplex canescens var. linearis Nancy Ryan Zabriskie, Walter Zabriskie 1970-7-29 331 Riverside Andreas Canyon Club property, Palm Canyon watershed. 170 Comment
  UCR228217  Atriplex canescens var. macilenta Dave Silverman 2010-3-24 7829 Riverside Sonoran (Colorado) Desert, South Palen Lake, Chuckwalla Valley, 4.5 km southeast of Sidewinder Well, 2.3 km SW of Palen Dunes Dr., and 4.2 km north of Interstate 10 128 Comment
  RSA452413  Atriplex confertifolia Aloys Nicholson 1930-4-6 s.n. Riverside 1000 Palms. Colorado Desert. Comment
  RSA516693  Atriplex coronata var. notatior Marc Baker, Robert Johnson 1990-5-20 7851 Riverside southeast of Bernasconi Hills. T4S R3W section 23. 433 Comment
  RSA520928  Atriplex coronata var. notatior D. E. Bramlet 1990-6-13 2034 Riverside Dry duck pnd areas 2km east of davis Rd. and some 600m southeast of the CDFG San Jacinto Wildlife area., The population was found beside a dirt Rd. about 100m NE f an existing dog kennel. 473 Comment
  UCR66968  Atriplex coronata var. notatior D. E. Bramlet 1990-7-20 2057 Riverside c. 6.3 km. west of Hemet, beside a dirt road in an open field, about 440 m west of intersection of Florida and Warren Streets, south side of Florida, c. 267 m from the road edge 500 Comment
  UCR129808  Atriplex hymenelytra Scott D. White 2001-5-4 8449 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, adjacent to I-10 Freeway, a few miles east of Indio 177 Comment
  CAS-BOT-BC169297  Atriplex lentiformis S. B. Parish 1912-6-28 8118 Riverside Alkaline flats, Mecca Comment
  UCSB22915  Atriplex lentiformis Wheeler, Louis 1931-11-27 Riverside 3 mi. SE Salton bench mark -76 Comment
  CAS-BOT-BC176537  Atriplex polycarpa S. B. Parish 1881-8-10 1175 Riverside Indio, Colorado Desert Comment
  POM279031  Atriplex polycarpa Grant D. Brown 1949-12-14 470 Riverside 2 miles SE of Seven Palms (E. of White Water) Comment
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Apr 20 2013
  RSA592424  Atriplex rosea J. C. Roos 1965-8-4 s.n. Riverside Arlington Comment
  POM121924A  Atriplex semibaccata Marcus E. Jones 1900-7-16 6526 Riverside Temecula. Comment
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Mar 27 2011
  SD162764  Atriplex semibaccata Virginia Moran 1999-2-9 Riverside C.f. West Coast Thoroughbred Farm, 12150 Riverside Avenue, disturbed area (farm slated for development) Comment
  RSA710739  Atriplex semibaccata Virginia Moran 1999-2-9 s.n. Riverside C.f. West Coast Thoroughbred Farm, 12150 Riverside Avenue, disturbed area (farm slated for development). Geology: Alkalai pan; dune area. Comment
  UCR89864  Atriplex suberecta D. E. Bramlet 1989-7-3 1932 Riverside Perris-Aguanga Basin, Diamond Valley, Searl Ranch, just off the ranch entrance road c. 6.7 km south of Hemet; c. 2.7 km west of State Street and 600m north of Newport Road. 482 Comment
  RSA0085059  Avena barbata Mary Duke, Christy Hightower, Cecilia McElroy 1982-5-15 15 Riverside CA Hwy 74, just off highway E of Elsinore, 1 mi W of Hwy 15. Comment
  UCR102874  Avena fatua A. C. Sanders 1997-3-26 20135 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  UCR158254  Avena fatua A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30114 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
  POM299250  Ayenia compacta A. M. Alexander, Louise Kellogg 1941-5-26 2236 Riverside Monsen Canyon, Eagle Mts. 823 Comment
  UCR5213  Ayenia compacta J. Olmstead 1966-4-1 s.n. Riverside Santa Rosa Mtns., trail from Hwy. 74 to Deep Canyon bottom 1098 Comment
  OBI16986  Baccharis brachyphylla Robert F. Hoover 1966-10-15 10171 Riverside Dead Indian cyn Comment
  CAS-BOT-BC106740  Baccharis salicifolia Clare B. Hardham 1956-5-9 641 Riverside Banks of San Marcos Creek near Oak Flat Road Comment
  UC727402  Baccharis salicifolia subsp. salicifolia H. K. Wagnon 1944-3-8 313 Riverside 100 yds s of Trading Post (Palm Canyon); Palm Canyon Comment
  CAS-BOT-BC106632  Baccharis salicina Edmund C. Jaeger 1938-11-3 s.n. Riverside Dos Palmos Spring 60 Comment
  RSA314468  Baccharis sergiloides R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 55384 Riverside San Bernardino Mts.: Side canyon on W side of Whitewater Cyn, ca. 3.3 mi. N of Whitewater Post Office. 595 Comment
  RSA729263  Baccharis sergiloides R. F. Thorne 1966-10-15 41819 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway Comment
  SD40813  Baccharis sergiloides Carl B. Wolf 1932-10-11 4272 Riverside Morongo Wash, Little San Bernardino Mountains; 0.3 miles below San Bernardino County Line. 669 Comment
  UCR89540  Baccharis sergiloides Bern Schwenn 1994-5-18 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument, north side of the Eagle Mountains, site of Conejo Well 1021 Comment
  RSA0065645  Bahiopsis parishii Cheryl Sevilla, Sarah J. De Groot 2015-3-18 39 Riverside Transverse Ranges; San Bernardino Mountains region: San Gorgornio Wilderness Area; off the Pacific Crest Trail about 2 air miles north-northwest from the Whitewater Preserve Ranger Station; on the hillside east of the Whitewater River drainage. 822 Comment
  RSA700064  Bahiopsis parishii Scott D. White, Michael Honer 2003-4-25 9095 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
  RSA776089  Bahiopsis parishii Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 821 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 495 Comment
  CAS-BOT-BC106611  Baileya pleniradiata Carl B. Wolf 1932-4-27 3026 Riverside Colorado Desert, Mecca - Blythe Road, 3/4 mi. west of Utopia 152 Comment
  RSA669575  Baileya pleniradiata D. E. Harvey 1969-4-20 690420 -3 Riverside Juniper Flats at Stubbe Springs parking area. Joshua Tree National Monument. Comment
  JOTR01237  Baileya pleniradiata Cole, James E. 1941-6-17 921 Riverside Joshua Tree National Park. LIVE OAK TANK 1219 Comment
  UCR110429  Bassia hyssopifolia A. C. Sanders, Mitch Provance 1999-9-26 23130 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  UCR123607  Bauhinia variegata Wendy Walters 2001-3-23 s.n. Riverside Western Colorado Desert, Coachella Valley, La Quinta at corner of Jefferson St. and Ave. 50 11 Comment
  POM230201  Bebbia juncea I. W. Clokey 1933-4-7 6966 Riverside Shaver's Well Comment
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Apr 24 2011
  POM7070  Bebbia juncea Philip A. Munz 1919-5-7 2720 Riverside Mouth of Tahquitz Canyon. Comment
  SEINET10616171  Bebbia juncea David B. Dunn, Harold L. Lint 1948-1-25 Dunn 3629 Riverside Found in a wash 200 yards below springs. Pushawalla Canyon, Indio Hills of the Colorado Desert; west of Indio. Comment
  SD218993  Berberis nevinii M. Wall 2009-6-10 518 Riverside South of Redlands, ca. 0.75 mile up an unnamed canyon off San Timoteo Canyon Rd., ca. 0.5 mile NW of jct with Allesandro Blvd. 495 Comment
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Oct 28 2013
  UC667315  Bernardia incana Annie M. Alexander and Louise Kellogg 1941-5-10 2144 Riverside small canyon 3 mi. n.e. Cottonwood Spring (Eagle Mts.); Colorado Desert, Eagle Mts. 1036 Comment
  RSA512158  Bloomeria crocea var. crocea Ed LaRue 1989-5-8 s.n. Riverside Mockingbird Canyon area, S of Van Buren Blvd and ca 1/2 mi (airline) E of Mockingbird Canyon Road. Comment
  RSA482681  Boechera californica R. S. Woglum 1941-6-12 3059 -A Riverside Idyllwild Comment
  SD229113  Boechera californica Dick Schwenkmeyer 2012-4-17 697 Riverside Mt. San Jacinto: Vista Grande, 2 miles south of U.S. Forestry station on Highway 243 north of Idyllwild 1618 Comment
  UCR19106  Boerhavia coccinea John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, Desert Center Comment
  JOTR35982  Boerhavia coulteri Harding, Mitzi, Mark Wheeler 2012-9-4 193 Riverside Joshua Tree National Park. Pinto Basin; near turkey flats parking area; sandy flats (Stop 1) 509 Comment
  UCR215450  Boerhavia triquetra Tasha La Doux, Jim Andre 2008-9-16 336 Riverside Mojave Desert, Joshua Tree National Park, along Bell Mountain Road atop Bell Mountain, c. 0.3 mi. north of radio tower 1359 Comment
  SD255218  Boerhavia triquetra var. intermedia Sarah J. De Groot, Amy Rouillard 2015-9-15 7565 Riverside Ford Dry Lake, Chuckwalla Valley, north of I-10. 106 Comment
  OBI29475  Boerhavia wrightii David J. Keil, Melissa Luckow 1979-8-31 13148 Riverside Jctn of Box Cyn Rd and I-10 just S of exit ramp at wash crossing Comment
  RSA192348  Boisduvalia densiflora H. A. Zuill 1966-7-26 298 Riverside About 7.5 miles SW of Murrieta. Comment
  SD137967  Bothriochloa barbinodis Darin Banks, Steve Boyd 1995-10-17 798 Riverside Northwest Palomar Mountains, Agua Tibia Mountains, Cleveland National Forest, Agua Tibia wilderness area, along lower arroyo seco, South of the Dripping Springs Campground Comment
  RSA659621  Bouteloua aristidoides J. C. Roos 1965-9-5 s.n. Riverside Desert center. Comment
  UCR264213  Bouteloua aristidoides A. C. Sanders, Jim Malusa 2015-9-10 41861 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range 480 Comment
  LA11372  Bouteloua barbata S. B. Parish; 1912-6-28 8102 Riverside Salton Basin Comment
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Mar 1 2014
  OBI29472  Bouteloua barbata David J. Keil, Melissa Luckow 1979-8-31 13152 Riverside Jctn of Box Cyn rd and I-10, just S of exit ramp at wash crossing Comment
  RSA725437  Bouteloua barbata Michael Wall 2007-11-2 441 Riverside San Jacinto Valley; Bautista Rd.; roadside along grapefruit orchards, ca. 2.2 miles SE of jct. with Fairview Ave. 615 Comment
  JOTR30836  Bouteloua barbata var. barbata La Doux, Tasha, Jim Andre 2008-9-16 346 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
  UC2026404  Bouteloua barbata var. barbata Steve Boyd, Valerie Soza, Tasha LaDoux 1997-10-13 10048 Riverside COLORADO DESERT, CHUCKWALLA MOUNTAINS: Northwest base of the range, south of Eagle Mine Road exit on Interstate 10. Comment
  SD232160  Bowlesia incana Scott D. White, Justin M. Wood 2008-7-9 12423 Riverside San Jactino Mountains: K Flat, from large pond downstream to meadow. 2341 Comment
  UCR116662  Bowlesia incana A. C. Sanders, Carolyn Washburn 2001-5-10 24236 Riverside Perris-Aguanga Basin, 1 mi. south of Winchester on the east side of Hwy 79 (Winchester Rd.) just south of Patton Ave. 488 Comment
  UCR207519  Bowlesia incana O. F. Clarke 2004-2-20 s.n. Riverside Peninsular Range, Riverside; UCR Botanical Garden 412 Comment
  RSA586771  Boykinia rotundifolia D. L. Banks, Steve Boyd 1995-5-17 0468 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail., At the spring just inside the wilderness boundary in north-central, section 33. 731 Comment
  RSA77414  Brandegea bigelovii F. W. Peirson 1921-3-23 2387 Riverside Deep Canyon Wash, 12 miles southeast of Palm Springs. 152 Comment
  SBBG54857  Brandegea bigelovii D. Keil, M. McLeod, D. Walters 1977-3-27 12059 Riverside Box Cyn Rd, ca. 20 mi ENE of Mecca, Orocopia Mtns 274 Comment
  UC354498  Brandegea bigelovii Edmund C. Jaeger 1925-12-19 Riverside Fish Traps near Mecca 3 Comment
  UCR59917  Brassica nigra Ed LaRue 1989-4-21 s.n. Riverside Moreno Valley, University of California agricultural experimental farms, c. 1/2 mi south of Alessandro Blvd at NE corner of Cactus Avenus and Nason Street Comment
  CAS-BOT-BC36848  Brassica tournefortii Winfield 1975-4-27 2373 Riverside Snow Creek Road. 3 miles from Highway 111. Comment
  RSA0112087  Brassica tournefortii Duncan S. Bell 2010-2-21 552 Riverside Arica Mountains; within the Palen/McCoy Wilderness area; collecting in large drainage on western section of range. 452 Comment
  CLARK-A1528-5508  Brickellia desertorum John C. Roos 1947-11-1 3751 Riverside Eagle Mountains Comment
  UCR92153  Brickellia desertorum D. L. Banks, Steve Boyd 1995-10-17 0776 Riverside NW Palomar Mtns; Agua Tibia Mtns., Cleveland National Forest, Agua Tibia Wilderness Area; along lower Arroyo Seco, south of the Dripping Springs Campground. Along alluvial benches where Arroyo Seco turns to the E, just west of the Metasedimentary hills 525 Comment
  RSA0062666  Brickellia desertorum Nancy Ryan Zabriskie, Walter Zabriskie 1971-11-27 467 Riverside N.W. of juncture of North Canyon with Andreas Canyon, east slope San Jacinto Mountains. 365 Comment
  JEPS18629  Brickellia incana W. L. Jepson 1928-4-23 12555 Riverside 2.5 mi below Cottonwood Springs (s edge of Cottonwood and Eagle Mts., Colorado Desert); Colorado Desert, Cottonwood Mts., Eagle Mts. 487 Comment
  POM308537  Brickellia incana Henry J. Ramsey, Henry J. Ramsey 1939-10-1 3158 Riverside East of Indio. Comment
  POM12856  Brickellia oblongifolia var. linifolia Philip A. Munz 1922-6-26 5824 Riverside Road to Santa Rosa. 1829 Comment
  RSA70166  Brodiaea filifolia F. W. Peirson 1930-5-10 8772 Riverside 1 mile east of Perris 457 Comment
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Nov 15 2007
  SEINET7063429  Brodiaea filifolia A. G. Vestal 1947-1 Riverside Comment
  UCR48380  Brodiaea jolonensis Steve Boyd 1986-5-7 1836 Riverside Peninsular Range, Temescal Canyon, terrace escarpment between Horsethief Wash and Indian Truck Trail, south of Hwy I-15 366 Comment
  CLARK-A1528-2794  Brodiaea terrestris William E. Wayburn 1973-5-26 730526 Riverside Murrieta 548 Comment
  UCR280724  Brodiaea terrestris subsp. kernensis Mitch Provance, John Hazlett 2017-4-27 417- 24 Riverside Elsinore Trough, Baker St., 0.05-0.15 miles SE of Pierce St. 384 Comment
  CAS-BOT-BC149328  Bromus arizonicus F. H. Billings 1931-4-1 s.n. Riverside Redlands. Comment
  RSA643890  Bromus arizonicus A. C. Sanders, J. Dice, K. Rose, D. Woodard 1995-3-29 16271 Riverside San Jacinto Mountains/ San Gorgonio Pass: alluvial fan at the mouth of Snow Creek, between Highway 111 and Snow Creek Village., (33 deg 54'N, 116 deg 40'W) Comment
  RSA653140  Bromus arizonicus O. F. Clarke 1973-3-21 s.n. Riverside 1012 Spruce Street, Riverside Comment
  SEINET191888 Image available Bromus berteroanus C. L. Hitchcock 1940-4-2 5924 Riverside Joshua Tree National Monument ; Cottonwood Springs wash Comment
  JOTR35181  Bromus catharticus var. catharticus Harding, Mitzi, T. Herskovits 2011-9-14 163 Riverside Joshua Tree National Park. Queen Mountains; west side of Barker Dam; small riparian zone in and along drainage from dam 1300 Comment
  JOTR35261  Bromus catharticus var. catharticus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 3279 Riverside Joshua Tree National Park. Queen Mountains; West side of Barker Dam; Small riparian zone in and along drainage from dam (Stop 5) 1300 Comment
  RSA179503  Bromus grandis E. W. Lathrop 1960-6-7 4868 Riverside 10 miles west of Murrieta. Redonda Mesa. Comment
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Apr 28 2011
  UCR101438  Bromus grandis A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22214 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Middle Branch of Millard Canyon 1341 Comment
  UCR121333  Bromus hordeaceus A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 24986 Riverside The Badlands, marble outcrop on ridge about 1/2 mile east of Mt. Eden, above Laborde Canyon, SW of Beaumont 670 Comment
  SEINET244666 Image available Bromus hordeaceus subsp. molliformis A. C. Sanders, Mark Elvin; Julie M. Vanderwier 2002-4-22 24986 Riverside The Badlands; Marble outcrop on ridge about 1/2 mile east of Mt. Eden, above Laborde Canyon, SW of Beaumont. 670 Comment
  RSA741181  Bromus japonicus Scott D. White, Justin M. Wood 2008-6-17 12168 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  UCR107737  Bromus laevipes D. L. Banks 1997-5-5 1955 Riverside NW Palomar Mountains, Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, c. 60 m east of its intersection with Pechanga Creek 396 Comment
  SEINET258474 Image available Bromus orcuttianus var. hallii Unknown 1990-6-25 679 Riverside San Jacinto Mtns., ca 3 km SE of Pine Cove on San Bernardino NF Rd 5S10 1830 Comment
  RSA600397  Bromus rubens V. W. Steinmann, D. B. Steinmann 1996-3-16 811 Riverside Northeast foothills of the San Jacinto Mountains, lower portion of Chino Canyon alluvial plain, 1 kilometer S of Highway 111 at a point ca. 1.5 kilometer NW of the Tramway-San Rafael intersection. 300 Comment
  UCR171953  Bromus rubens John F. Green 2006-4-18 s.n. Riverside NE of Murrieta, just south of Los Alamos Rd. ('Clinton Keith Rd.'), on E and W sides of Liberty Rd. border between City of Murrieta and unincorporated French Valley 415 Comment
  UCR234328  Bromus rubens A. C. Sanders, John F. Green 2012-4-6 40008 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, major culvert/wash crossing along Temescal Cyn. Rd., near Campbell Ranch Rd. and I-15 Fwy, c. 10 miles south of Corona 323 Comment
  CSUSB439  Bromus tectorum David H. Eslinger 1970-5-29 Riverside 4 miles east of Riverside; 40 meters north of 9725 Pigeon Pass Road, in dry creek bed. 365 Comment
  SD136964  Bromus tectorum Steve Boyd, Tim Ross, Dave Bramlet 1993-5-13 7381 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile. 410 Comment
  JEPS49879  Caesalpinia virgata Eleonor Davisson 1967-4-11 Riverside between Mecca and Joshua Tree Nat'l Monument (Box Canyon); Box Canyon Comment
  RSA405293  Caesalpinia virgata Christopher Davidson 1979-4-4 7691 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  RSA405296  Caesalpinia virgata Robert Gustafson 1980-4-3 1530 Riverside Orocopia Mountains, about 4 miles east of Mecca on Box Canyon road. 213 Comment
  RSA86998  Caesalpinia virgata F. W. Peirson 1930-3-1 8691 Riverside Open desert at foot of Painted Canyon, near Mecca. Comment
  POM91013  Caesalpinia virgata E. C. Jaeger 1925-12-20 s.n Riverside Fish traps. 3 Comment
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Feb 3 2011
  CLARK-A1045-129  Calandrinia ambigua George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep Canyon; Palm Desert 15'Q Comment
  UCR214896  Calandrinia ambigua A. C. Sanders 2010-3-23 37532 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mtns. 140 Comment
  CAS-BOT-BC438494  Calandrinia ciliata Munz; Harwood 1920-2-28 3268 Riverside 2 mi S.W. of Corona 304 Comment
  OBI8373  Calandrinia ciliata David J. Keil, Malcolm McLeod 1977-3-26 12015 Riverside 8 mi NW of Lake Elsinore State Recreation area along Calif 71 366 Comment
  POM307775  Calandrinia ciliata Henry J. Ramsey, Henry J. Ramsey 1938-3-26 2556 Riverside Corona-Elsinore Road. Comment
  RSA466561  Calandrinia ciliata Ora M. Clark 1929-4-7 2040 Riverside S. Hemet. Comment
  RSA556439  Calandrinia ciliata Julie Greene 1993-4-17 1199 Riverside West of Davis Road. 433 Comment
  RSA728145  Calandrinia ciliata Daphne K. Christopher, Hannah Stevens, Zachary Princip 2003-4-7 111 Riverside Santa Rosa Plateu Nature Conservancy Preserve. Tenaja Truck Road. 610 Comment
  UCR259201  Calandrinia ciliata Mitch Provance, Jeremiah George 2012-4-24 412- 12 Riverside San Gorgonio Pass, Smith Creek SW of Banning, near corner of Sunset Ave. and Bobcat Rd. 735 Comment
  RSA234052  Callitriche marginata R. F. Thorne 1969-6-6 39317 Riverside Santa Rosa Plateau: Rancho California, Mesa de Colorado 624 Comment
  UCR104625  Callitriche marginata D. E. Bramlet 1992-4-3 2206 Riverside 7.3 km SW of Hemet, 30 m east of California Ave and 108 m north of the AT & SF railroad tracks, NE of the intersection of California Ave. and Marvin Hull Road and 305 m west of the MWD Canal Comment
  SBBG56419  Calocedrus decurrens M. Lewis 1947-8-26 20 Riverside Dark Cyn 1981 Comment
  RSA162810  Calochortus albus J. D. Olmsted 1959-4-30 500 Riverside Beacon Pines Ranch; 9 miles SW of Corona, Santa Ana River Drainage Area. 808 Comment
  UCR107820  Calochortus albus D. L. Banks 1997-5-5 2001 Riverside NW Palomar Mtns, Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pachanga Creek. east of where road crosses to southern bank of south fork of Pechanga Creek. 482 Comment
  RSA773121  Calochortus concolor Duncan S. Bell, Ryan Parker 2010-6-1 1232 Riverside San Bernardino National Forest: Rouse Ridge, approximately 2.4 air miles southeast of junction of Highway 74 and forest service road 5S15., Field surveys for potential habitat for the endangered Quino Checkerspot butterfly. 992 Comment
  UC3383  Calochortus concolor H. M. Hall 1897-7-30 962 Riverside El Toro Mt. San Jacinto Mts. 2529 Comment
  JEPS61706  Calochortus palmeri W. L. Jepson 1901-5-27 1462 Riverside Van Deventer's Ranch San Jacinto Range Comment
  SD135160  Calochortus palmeri var. palmeri Craig Reiser, Dylan Hannon 1993-5-30 Riverside Northwest flank of Santa Rosa Peak, well upslope of Highway 79, mesic opening in chaparral. (IPB 3/08) Comment
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Dec 29 2017
  RSA501004  Calochortus splendens Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3122 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
  RSA525421  Calochortus splendens Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4529 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at junction of Highway R3 and Powerline Road, NE of the lake. Comment
  UCR48348  Calochortus splendens Steve Boyd 1986-4-22 1761 Riverside Temescal Canyon, W side of Indian Wash, south of I-15 Comment
  RSA68622  Calochortus weedii var. weedii Frank W. Peirson 1920-6-22 2180 Riverside Grade south of Temecula River, going toward Dripping Spring 427 Comment
  UCR89806  Calochortus weedii var. weedii Scott D. White 1993-5-27 1417 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 490 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
  UCR132861  Calycoseris parryi Kent Beaman 1983-4-2 04 Riverside Sonoran (Colorado) Desert, Coachella Valley, west side of Hwy 62 toward Morongo Valley, just north of Indian Ave. 549 Comment
  VVC2465  Calycoseris wrightii Tim Thomas 2013-3-18 5935 Riverside Sonoran Desert, 10 miles WSW of Blythe NE of Mule Mtns. 116 Comment
  SEINET7379730 Image available Calycoseris wrightii H. K. Sharsmith 1952-4-11 4064 Riverside Northwest base of Chuckawalla Mountains 7 miles south of highway 60-70 1750 Comment
  SJSU1865  Calyptridium monandrum J. W. Tilden 1957-4-18 1095 Riverside near Whitewater, E of San Gorgonio Pass Comment
  UC1537346  Calyptridium monandrum Gordon H. True Jr. 1935-4-4 216 Riverside Gavilan Hills 609 Comment
  UCR26223  Calyptridium monandrum John C. Roos 1947-3-15 3329 Riverside San Jacinto Valley, Valle Vista, east of Hemet 549 Comment
  CAS-BOT-BC221308  Calystegia macrostegia subsp. intermedia Scott D. White 1996-4-14 3919 Riverside Perris Basin. E of Hemet: San Jacinto River Wash near Valle Vista, N of Hwy. 74, ca. 1.7 mi W of USFS Cranston Fire Station 550 Comment
  HSC92884  Calystegia macrostegia subsp. intermedia Scott D. White 1996-4-14 3919 Riverside E of Hemet, San Jacinto River Wash near Valle Vista, N of Hwy. 74, 1.7 mi. W of USFS Cranston Fire Station 534 Comment
  RSA552687  Calystegia macrostegia subsp. intermedia Steve Boyd, Timothy S. Ross, Orlando Mistretta, Bob Boyd 1992-2-26 6695 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  RSA614702  Calystegia macrostegia subsp. intermedia George K. Helmkamp, E. A. Helmkamp 1997-3-5 1327 Riverside 2.8 mi SE of Gilman Hot Springs. 518 Comment
  CSUSB671  Calystegia macrostegia subsp. tenuifolia Bill Marks 1971-5-16 Riverside Growing on the side of the road in the Santa Ana Mountains behind Murrietta. Comment
  RSA295606  Camissonia bistorta Lyman Benson 1946-4-15 12019 Riverside 2 miles east of Banning, Colorado Desert. 610 Comment
  RSA465920  Camissonia bistorta M. B. Dunkle 1935-3-10 4357 Riverside Temescal Canyon 244 Comment
  UCR250878  Camissonia bistorta S. J. Myers, Jennifer Tobin, Michelle Tobin 2013-3-13 1038 Riverside Lakeview Mountains, along powerline access road NE of Juniper Flats Rd. 649 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
  CLARK-A1528-656  Camissonia californica Charlotte Stocks 1964-5-20 Riverside Comment
  RSA613634  Camissonia californica D. L. Banks, Victor W. Steinmann 1997-3-13 1483 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
  UCR23219  Camissonia californica Polly Schiffman 1981-5-19 016 Riverside Box Springs Mtns., Box Springs Mountains County Park, 250 m north of radio towers. 823 Comment
  UC20448  Camissonia campestris subsp. campestris Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  RSA717449  Camissonia cardiophylla Scott D. White, Pam DeVries 2006-3-14 11261 Riverside North of the I-10 Freeway a few mi east of Indio, at proposed I-10 / McNaughton Parkway interchange. 91 Comment
  RSA790631  Camissonia cardiophylla Aaron C. Sedgwick, David Fraker 2012-4-24 12 Riverside In the Palen Valley south of Power Line Rd. that parallels Hwy. 10 159 Comment
  UCR72223  Camissonia cardiophylla Theo Glenn 1991-5-30 91- 118 A Riverside Sonoran (Colorado) Desert, Mule Mtns, 0.2 mi. east of the Opal Hill Mine, just north of the Imperial County line and west of Palo Verde 200 Comment
  JOTR31975  Camissonia cardiophylla subsp. cardiophylla La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2211 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; large wash at mouth of rocky, narrow canyon 719 Comment
  CLARK-A1656-687  Camissonia claviformis subsp. aurantiaca Lois Ann Scott 1978-2-2 Riverside San Jacinto Mountains 152 Comment
  RSA118386  Camissonia claviformis subsp. aurantiaca P. A. Munz, David P. Gregory, William M. Klein 1958-4-4 22963 Riverside Sun Tan Motel, 3.5 mi. nw. Indio city limits, on Hwy 70 [Hwy 10]. 30 Comment
  UCR103325  Camissonia claviformis subsp. claviformis George K. Helmkamp 1998-2-5 2637 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, 1.1 mi. west of Calif. Hwy 111 on Tramway Rd. 335 Comment
  SDSU3349  Camissonia confusa H. Wedberg 1958-3-30 187 Riverside At Upper San Juan Campground, on Hwy 74. Comment
  UCR84586  Camissonia confusa Scott D. White, S. Ogg 1994-4-21 2011 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  RSA525443  Camissonia hirtella Steve Boyd, Dave Bramlet 1990-4-29 4488 B Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  UCR260545  Camissonia hirtella T. B. Salvato, Matt Malle 2014-5-29 8025 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Cottonwood Hills (= Sunset Ave), c. 1 mi west of Murrieta Rd and 4.3 mi southeast of Canyon Lake 534 Comment
  RSA180504  Camissonia ignota E. W. Lathrop 1959-4-16 4475 Riverside 14 miles W of Murrieta. Tenaja plateau. Comment
  SEINET10492078  Camissonia micrantha Timothy Reeves 1978-5-13 Reeves 6881 Riverside San jacinto mts. 5 Mi s of banning on hwy 243. Sec 22, r1e, t3s. Chaparral. Ferns among rocks or in crevices. 1097 Comment
  RSA718774  Camissonia refracta Michael Honer, L. Hulse 2004-4-4 1927 Riverside SW base of Cottonwood Mtns., near MWD aqueduct, appx. .75 mi. N of I-10. E edge of Pinkham Wash. 488 Comment
  RSA0013032  Camissonia strigulosa LeRoy Gross, Caitlin Elam 2013-5-14 6044 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  SBBG104645  Camissonia strigulosa M. A. Patten 1992-5-14 92 -5 Riverside Cherry Valley, just N of Cherry Park Drive between Mtn View Avenue and Beaumont Avenue Comment
  SBBG61448  Camissoniopsis bistorta R. Hoffmann 1929-9-11 Riverside San Jacinto Mtns 1645 Comment
  SDSU3391  Camissoniopsis pallida subsp. pallida H. Wedberg 1958-4-4 230 Riverside Near Whitewater. About 0.4 mile up Whitewater Canyon from Hwy 60-70-99. Comment
  CSUSB541  Capsella bursa-pastoris D. L. Heald 1966-3-5 8 Riverside Corner of Monroe street and Magnolia Ave. 259 Comment
  UCR157444  Cardamine flexuosa A. C. Sanders 1997-3-17 20006 Riverside Riverside, UCR campus, edge of lawn at NE corner of Batchelor Hall 348 Comment
  CAS-BOT-BC65001  Carex barbarae Jennifer H. Jones 2006-6-6 408 Riverside Santa Ana Mtns: Celeveland National Forest: along CA Hwy 74, San Juan Loop Trail, N of Upper San Juan Campground 518 Comment
  CHSC106640  Carex bolanderi P. Zika; N. Otting, K. Kramer 2010-8-6 25300 Riverside San Jacinto Mountains (SnJt); Bridge over N Fork San Jacinto River, Dark Canyon, at campground. 1785 Comment
  UCD140179  Carex bolanderi P. Zika; N. Otting, K. Kramer 2010-8-6 25300 Riverside bridge over N Fork San Jacinto River, Dark Canyon, at campground. San Jacinto Mountains. 1785 Comment
  RSA6109  Carex fracta Carl B. Wolf 1932-5-24 3653 Riverside Snow Creek, north base San Jacinto Mountains. 1 mile above the Fish Hatchery. 793 Comment
  CAS-BOT-BC31692  Carex mariposana H. M. Hall 1901-7-1 2416 Riverside San Jacinto Mountains, among rocks near the Summit 3291 Comment
  UCR44463  Carex multicaulis A. C. Sanders 1986-6-1 6563 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  UCR176584  Carex praegracilis Jeri Hirshberg 1989-7-26 s.n. Riverside Peninsular Range, vicinity of Vail Lake; spring in Butterfield Country Comment
  UCSB11403  Carex sartwelliana Breedlove, Dennis 1961-7-29 Riverside Fuller Mill Creek where it crosses Riverside Highway #1; San Jacinto Mountains 1645 Comment
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Jun 2 2013
  RSA126700  Carex senta Peter H. Raven 1959-5-18 s.n. Riverside Lake Fulmor, San Jacinto Mountains Comment
  UC72462  Carex subfusca H. M. Hall July, 1901 2250 Riverside Fuller's Mills San Jacinto Mountains 1767 Comment
  UCR271492  Carpobrotus chilensis A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42407 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
  CDA2827  Carya illinoinensis A. C. Sanders, T. B. Salvato 2003-5-21 26778 Riverside Temescal Valley; Lawson Drive near Glen Ivy, in a wetland reserve area for the Trilogy development Comment
  UCR116979  Castilleja affinis A. C. Sanders, T. B. Salvato 2001-5-3 24084 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  POM312121  Castilleja applegatei subsp. martinii N. C. Cooper 1944-6-17 1418 Riverside San Jacinto Mountains: above Banning. 1372 Comment
  RSA0010962  Castilleja applegatei subsp. martinii Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 636 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA679168  Castilleja applegatei subsp. martinii Fred M. Roberts 2003-6-25 5933 Riverside Indian Truck Trail, 8.7 km by road W La Palma Rd., 2.5 km ENE Trabuco Peak 937 Comment
  RSA740919  Castilleja applegatei subsp. martinii Justin M. Wood, Brandy N. Ulrich 2008-7-14 20 Riverside Garner Valley, near intersection of Fobes Ranch Rd and Hwy 74. 1348 Comment
  RSA0010926  Castilleja exserta subsp. exserta N. C. Cooper 1944-4-21 1127 Riverside Banning. 701 Comment
  RSA0010932  Castilleja exserta subsp. exserta Henry J. Ramsey, Henry J. Ramsey 1937-5-30 1318 Riverside Palms to Pines Highway. Comment
  RSA0010938  Castilleja exserta subsp. exserta N. C. Cooper 1944-3-24 999 Riverside Banning. 701 Comment
  JEPS8770  Castilleja foliolosa W. L. Jepson May 17 1901-Jun 1 1901 1417 Riverside VanDeventer's Ranch Santa Rosa Mts., Vandeventer Flat 1493 Comment
  UCR440  Castilleja martinii R. O. Perez 1955-5-21 s.n. Riverside San Jacinto Mtns., Idyllwild 1707 Comment
  SEINET10865310  Castilleja miniata David B. Dunn 1946-8-17 Dunn 2705 Riverside Dry soil, trail to taquity from taquity valley campground, on dry hillside among bracken fern. San jacinto mtns. Comment
  UC885440  Castilleja minor subsp. spiralis Crawford and Johnston 1917-6-9 1222 Riverside near Corona; Santa Ana River Comment
  CAS-BOT-BC38298  Caulanthus cooperi L. R. Abrams 1926-3-26 11072 Riverside Palm Canyon. Comment
  RSA586145  Caulanthus heterophyllus D. L. Banks, S. D. Boyd 1995-3-16 107 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. E of the Dripping Springs Alcove, N slope of Wildhorse Peak, on the Wildhorse Trail. 610 Comment
  CAS-BOT-BC56931  Ceanothus Steve Boyd; Tim Ross 1993-3-23 7894 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, 670 Comment
  SD90222  Ceanothus crassifolius Robert F. Thorne, E. Lathrop 1969-6-6 39332 Riverside Santa Rosa Plateau; Rancho California, openings & margins of chaparral 609 Comment
  UCR131682  Ceanothus crassifolius C. B. Wolf 1941-6-27 10898 Riverside Santa Ana Mtns., Ortega Highway, [Decker Canyon] 3.3 miles east of Orange Co. line 579 Comment
  UCR90962  Ceanothus crassifolius Scott D. White 1996-3-16 3831 Riverside Perris Basin, Lakeview Mtns, north of Winchester, at 'Maze Stone' Picnic Site 610 Comment
  RSA575059  Ceanothus cuneatus Steve Boyd 1981-3-4 810304 -C Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  SD129398  Ceanothus cuneatus Ed LaRue May 1989 Riverside Hills east of Beaumont, along Potrero Creek, 1/2 mi. E of old San Jacinto Nuevo Y Potrero land grant 701 Comment
  UCR58473  Ceanothus cuneatus Ed LaRue 1989-1 s.n. Riverside foothills of San Bernardino Mtns, Hills east of Beaumont, along Potrero Creek, 0.5 mi. east of old San Jacinto Nuevo Y Potrero land grant 701 Comment
  CHSC1505  Ceanothus greggii var. perplexans V. Holt 1942-3-29 Riverside Keen Camp, Santa Rosa Mountains. Comment
  SD127437  Ceanothus greggii var. perplexans Reid Moran 1969-10-25 16665 Riverside Poppet Flat Road, N slope San Jacinto Mts. 1250 Comment
  UC18386  Ceanothus greggii var. perplexans H. M. Hall May 26-29 1899 Riverside from Kenworthy to Oak Grove; Smith Mountain and San Jacinto Mountains Comment
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Nov 13 2006
  JEPS42322  Ceanothus leucodermis W. L. Jepson 1903-8-5 2263 Riverside Strawberry Valley San Jacinto Mt. 1676 Comment
  SBBG4361  Ceanothus leucodermis M. Van Rensselaer 1937-7-21 Riverside below Idyllwild Comment
  UC718442  Ceanothus oliganthus var. oliganthus P. C. Everett 1935-6-18 7202 Riverside 1.7 mi n Los Pinos Potrero (Main Divide Motorway.); Santa Ana Mts. Comment
  LA44898  Ceanothus oliganthus var. orcuttii W. Pequegnat; 1938-6-15 sn Riverside Santa Ana Mountains, Bear Springs Comment
  SEINET10951518  Ceanothus ophiochilus Steve Boyd, Timothy S. Ross; Laurel Arnseth 1989-1 Riverside Comment
  POM301624  Ceanothus palmeri Carl B. Wolf 1941-8-12 11145 Riverside Keen Camp Summit, between Keen Camp P.O. and Helmet Valley. 1494 Comment
  RSA0054959  Ceanothus papillosus Keith E. Hoffmaster 1932-4-17 503 Riverside Santa Ana Mts. [Orange or Riverside]. Comment
  UC1071422  Ceanothus tomentosus R. St. John 1931-3-4 193 Riverside Tin Mine Canyon 609 Comment
  UCR156085  Centaurea melitensis T. B. Salvato, Kent Beaman 2005-5-16 809 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
  UCR199619  Centaurea melitensis Scott D. White, Angelia Carey 2004-7-2 10552 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  POM12038  Centaurea melitensis Mary F. Spencer 1921-5-28 s.n. Riverside Saboba Hot Springs Comment
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Apr 1 2013
  UCR159773  Centaurea solstitialis Chris E. True, Robert Cox 2005-6-17 s.n. Riverside Beaumont Badlands, San Timoteo Canyon, north of historic schoolhouse and RR tracks, just NE of El Casco Lakes 610 Comment
  UCR1547  Centaurium venustum David L. Davis, R. G. Barber 1962-5-13 119 Riverside Santa Ana Mtns., Murrieta, 1 mi. [SW] on Ivy Street from main road [Washington Ave.] 396 Comment
  SD248327  Centromadia pungens subsp. laevis Kevin B. Clark 2004-5-27 1 Riverside Menifee Valley, ca. 1.0 mile west of Murrieta Rd., 0.5 mile south of Newport Rd., on east-west dirt road on old ranch. 427 Comment
  UCR266905  Centromadia pungens subsp. laevis D. E. Bramlet 2005-7-13 3904 Riverside Perris-Aguanga Basin Region; San Jacinto Valley, Bloome Parcel, 2550 ft. north of San Jacinto River, 1580 ft. south of South Contour Rd., 4700 ft. east of Mystic Lake Duck Club 433 Comment
  SD211550  Centromadia pungens subsp. pungens Scott D. White 2008-8-20 12535 Riverside Perris Basin: City of Moreno Valley, Perris Boulevard between Krameris and Oleander Streets. (Perrs, Sunnymead) 445 Comment
  NY43446  Cercidium floridum subsp. floridum C. R. Annable 1995-3-10 2262 Riverside 1.6km S of Lake Cahuilla County Park Comment
  CLARK-A1528-807  Cercocarpus betuloides R. Stoltz 1969-4-12 21 Riverside Badlands 731 Comment
  UCR13742  Cercocarpus betuloides N. R. Zabriskie, W. W. Zabriskie 1972-10-22 546 Riverside Santa Rosa Mtns., NE side Cactus Spring Trail west of Horsethief Canyon. Deep Canyon Drainage. Near site # 13 1098 Comment
  UCR193970  Cercocarpus betuloides A. C. Sanders 2008-7-25 35916 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, NE of Bonita Vista Rd. at foot of hills Comment
  CAS-BOT-BC135499  Cercocarpus betuloides var. betuloides Nancy Ryan Zabriskie; Walter Zabriskie 1972-10-22 546 Riverside In small dry watercourse area, NE side Cactus Spring Trail west of Horsethief Canyon, Deep Canyon drainage, north slope Santa Rosa mts. 1097 Comment
  SDSU13940  Cercocarpus minutiflorus Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2151 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, northern end of northern most (narrow) deer grass meadow. 646 Comment
  UCD130218  Chaenactis artemisiifolia Virginia Moran 2003-3-12 s.n. Riverside Peninsular Range. Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and W of Wilson Creek. 854 Comment
  UCR34892  Chaenactis artemisiifolia L. B. Ziegler 1967-5-18 128 Riverside San Jacinto Valley, side canyon off lower Bautista Canyon 534 Comment
  SBBG97181  Chaenactis carphoclinia W. L. Halvorson 1977-2-15 77 -26 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  UC194845  Chaenactis carphoclinia var. carphoclinia S. B. Parish 1916-5-13 10838 Riverside Cottonwood Springs Colorado Desert, Cottonwood Springs Comment
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Oct 9 2010
  CAS-BOT-BC276939  Chaenactis fremontii John Thomas Howell 1928-3-11 3446 Riverside Garnet Station, Coachella Valley, Colorado Desert 213 Comment
  JOTR30959  Chaenactis fremontii La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1934 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  SEINET2042093 Image available Chaenactis fremontii A. C. Sanders 2001-4-8 23973 Riverside (Desert Hot Springs Quad 7.5') Coachella Valley, Garnet, along transmission line route, E of Garnet. T3S R4E S15 (center of W/2) 232 Comment
  UCD130334  Chaenactis fremontii Geoffrey Levin 1976-3-27 687 Riverside Chino Canyon, west of Palm Springs. =Alluvial fan of San Jacinto Mts. Salton Sea Basin. Colorado Desert. 396 Comment
  UCR116802  Chaenactis fremontii A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23932 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  SD144054  Chaenactis glabriuscula Scott D. White 1997-5-25 5222 Riverside Bautista Canyon: Along Bautista Cyn Rd., < 1.3 road miles NW of Hixton Trailhead (USFS No. 2E43). 700 Comment
  UCR34888  Chaenactis glabriuscula L. B. Ziegler 1966-6-23 057 Riverside San Jacinto Mtns., Thomas Mountain 1982 Comment
  CAS-BOT-BC277409  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1986-5-1 1808 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow, gabbro substrate; Skunk Hollow vernal pool Comment
  RSA500563  Chaenactis glabriuscula var. glabriuscula Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3608 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  SBBG65591  Chaenactis parishii V. Duran 1933-7-1 3492 Riverside near Santa Rosa 1828 Comment
  JOTR33930  Chaenactis stevioides La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2820 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  RSA793615  Chamaesyce albomarginata Duncan S. Bell, Aaron Sedgwick 2012-9-13 4198 Riverside Hayfields Lake; eastern section of dry lake, approximately 3.75 air miles southeast of Hayfields pumping plant. 420 Comment
  CDA4811  Chamaesyce maculata R. D. Goeden, D. W. Ricker 1965-6-18 s.n. Riverside North side of Blaine Street just west of Gage Canal, Riverside. Comment
  RSA614334  Chamaesyce maculata George K. Helmkamp, E. A. Helmkamp 1997-1-8 1279 Riverside Palm Springs. Lawn at El Cielo and Tahquitz-McCallum. 152 Comment
  SEINET3365548  Chamaesyce micromera G. Rink 2011-9-25 11075 Riverside South of I-10 at the Ford Dry Lake Exit, in a swale that sometimes holds water 110 Comment
  SBBG67729  Chamaesyce platysperma M. N. Ackley -Feb-1926 350 Riverside near Edom 64 Comment
  RSA0050424  Chamaesyce polycarpa Sarah J. De Groot, Cheryl S. Sevilla 2014-9-11 7299 Riverside Along Midland Road near Cox, southwest of Big Maria Mountains, east-southeast of Little Maria Mountains, north of McCoy Wash; about 5.4 miles northwest of 'Buzzardville', 10.9 miles north of the Riverside County disposal site., About 15 miles northwest of Blythe. 245 Comment
  RSA0112092  Chamaesyce polycarpa Duncan S. Bell 2010-2-20 543 Riverside Arica Mountains; collecting in drainage in the southeast section of range, approx. 0.75 air mile west of Priest Well. 336 Comment
  RSA535080  Chamaesyce polycarpa Steve Boyd, T. S. Ross 1991-11-10 6628 Riverside Gavilan Hills, Harford Springs Park. Rocky slope of ridge on W side of large juniper grove area at th north-central end of the park. Comment
  RSA0103576  Chamaesyce setiloba Duncan S. Bell 2015-9-30 8652 Riverside Santa Rosa Mountains; collecting in the summit area of Asbestos Mountain. 1573 Comment
  UCR151407  Cheilanthes clevelandii D. L. Banks 1997-3-1 1356 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Pechanga Creek, east of the'Fiesta Grounds' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation 427 Comment
  RSA675698  Cheilanthes covillei Scott D. White 2001-5-1 8437 Riverside Near Sun City: Quail Valley: Valleys and slopes east of Canyon Lake and west of Goetz Road. 442 Comment
  UCR163400  Cheilanthes covillei O. F. Clarke 2002-3-15 s.n. Riverside San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  UCR178197  Cheilanthes covillei Tracy Tennant, Jeffrey Ross 1998-3-10 MOR- 1018 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, low hills on the south side of Wood Canyon near its mouth, tree stand W-5 1280 Comment
  CAS-BOT-BC70294  Cheilanthes newberryi Marcus E. Jones 1930-3-15 26517 Riverside Eagle Mountains Comment
  RSA632461  Cheilanthes newberryi Scott D. White 1999-5-28 7435 Riverside Gavilan Hills: Ca. 3 air miles SE of junction Cajalco Rd. / Gavilan Rd.: East of Juniper Rd. between Blue Sky Drive and Celestial Dr. 670 Comment
  RSA85864  Cheilanthes newberryi F. W. Peirson 1922-4-30 2929 Riverside foot of St Johns Grade, south of Hemet Comment
  UCR90965  Cheilanthes newberryi Scott D. White 1996-2-18 3809 Riverside Perris Basin, Double Butte, NW of Winchester, SE-facing slope of west butte and alluvial soil at base 490 Comment
  RSA0042110  Cheilanthes parryi Duncan S. Bell, LeRoy Gross 2014-3-6 6193 Riverside Santa Rosa Mountains; Toro Canyon on the east side of Martinez Mountain. 259 Comment
  RSA0123692  Cheilanthes parryi Duncan S. Bell, LeRoy Gross 2016-3-30 9160 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  RSA775665  Cheilanthes parryi Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy 2011-3-23 814 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 396 Comment
  UCSB38684  Cheilanthes parryi Cowan, Clark 1978-4-23 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon 570 Comment
  CAS-BOT-BC70376  Cheilanthes viscida Annie M. Alexander; Louise Kellogg 1941-5-21 2214 Riverside North slope of Eagle Mountains 1158 Comment
  POM179189  Cheilanthes viscida Philip A. Munz 1941-10 17237 Riverside On Palms to Pines HIghway, north base of Santa Rosa Mts. Comment
  UCR277698  Chenopodium album Mitch Provance 2012-7-15 612- 66 Riverside Beaumont Plateau, W end of Banning, 'Pershing Channel', N side W Ramsey St., W side of Omar St. 768 Comment
  POM161559  Chenopodium atrovirens Ralph Hoffmann 1929-9-6 s.n. Riverside San Jacinto Mts. 2439 Comment
  RSA516754  Chenopodium californicum Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  RSA543170  Chenopodium californicum Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6080 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
  UCR201410  Chenopodium chenopodioides Justin M. Wood 2008-9-22 160 Riverside SW Perris Basin, Temecula/Murrieta Creek, downstream of 1st Street bridge 305 Comment
  SD260934  Chenopodium missouriense Mitch Provance 2012-9-11 17623 Riverside Badlands of Western Riverside County: Beaumont, near N base of Mr. Davis, near Cooper's Creek (tributary of San Timoteo Creek), about 2000 ft. along dirt road extension of Risco Circle, S of W 4th St. 762 Comment
  SD185187  Chenopodium murale T. B. Salvato, Melissa Clemons 2005-6-23 1318 Riverside Temescal Valley, 3.0 miles northwest of Alberhill, Temescal Canyon Road at Corona Lake. 353 Comment
  UCR163091  Chenopodium murale B. G. Pitzer, G. R. Ballmer 2000-10-14 4227 Riverside Sonoran (Colorado) Desert, south of eastern Ford Dry Lake, c. 200 yards south of Hwy I-10 off gasline road at large wash, 1 mi. east of Ford Lake Rd. exit, c. 22 miles west of Blythe 110 Comment
  POM248398  Chenopodium pratericola Philip Crow 1939-7-20 s.n. Riverside Blythe. Comment
  RSA653338  Chenopodium pratericola Mitch Provance 2000-9-18 2265 Riverside Riverside: Prenda area, S side of Hermosa St., about 0.25 mile west of the intersection with Washington St., 33 deg 54' 02.5'' N, 117 deg 23'14.3'' W 185 Comment
  RSA340186  Chilopsis linearis W. A. Tilforth 1980-5-28 54178 Riverside San Bernardino Mts: Rocky, W-facing slope of Whitewater ridge above old bridge. Comment
  SEINET1908448  Chilopsis linearis A. C. Sanders, Mitch Provance 2008-1 35824 Riverside South Coast; San Jacinto Valley: Gilman Springs Road, 1.13 mi. (air) sout of Eden Hot Springs, below Mt. Eden. 450 Comment
  UCR272883  Chilopsis linearis Duncan S. Bell 2009-8-15 411 Riverside northwest of the Arica Mountains 286 Comment
  UC27836  Chilopsis linearis subsp. arcuata H. M. Hall June, 1901 2112 Riverside e. base San Jacinto Mts. Colorado Desert, e. base San Jacinto Mts. Comment
  UCR228739  Chloris truncata A. C. Sanders, T. B. Salvato 2011-3-28 38816 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-215 Fwy 434 Comment
  CAS-BOT-BC184865  Chloris virgata Malcom A. Nobs; S. Galen Smith 1948-9-3 490 Riverside Imperial Valley. 2 miles north of Indio. Comment
  RSA0031419  Chorizanthe brevicornu Duncan S. Bell, Kim Clark, Bob Ellis, Pam McKay, Jim Pittman, Gene Ratcliff, Ed Schlegel, Felicia Sirchia 2013-2-24 4468 Riverside Orocopia Mountains; south end of range, north of the Coachella Canal, approximately 3 air miles northeast of Dos Palmas Springs. 182 Comment
  UCR148337  Chorizanthe brevicornu John F. Green 2005-1-13 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 21 and 22 (near 22), south of Salt Creek 23 Comment
  UCR167200  Chorizanthe brevicornu S. J. Myers 2005-3-24 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, east of N end of Salton Sea, along Coachella Canal 12 Comment
  RSA392614  Chorizanthe brevicornu var. brevicornu N. C. Cooper 1949-4-8 3304 Riverside Desert Center. 610 Comment
  UCR4619  Chorizanthe brevicornu var. brevicornu Frank C. Vasek 1960-3-17 600317- 05 Riverside Sonoran (Colorado) Desert, Morongo Canyon, E side of the road on hill at mouth of canyon, 4.5 mi NW of Desert Hot Springs 579 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
  UCR59536  Chorizanthe coriacea Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3237 Riverside Peninsular Range, Vail Lake area, sandy valley at NE end of lake, north of Wilson Creek 488 Comment
  SEINET4182863  Chorizanthe corrugata N. Holmgren, P. Holmgren, R. Kern 1973-3-23 6489 Riverside Palen Valley, 15 miles northeast of Desert Center 183 Comment
  RSA392688  Chorizanthe fimbriata var. fimbriata J. D. Olmsted 1962-5-10 3666 Riverside West of crest between Sandia and DeLuz Creeks along Murrieta to DeLuz Road. 206 Comment
  UCR48366  Chorizanthe fimbriata var. fimbriata Steve Boyd 1986-5-1 1817 Riverside S slopes of Bachelor Mtn, east end of Lake Skinner Comment
  CAS-BOT-BC191350  Chorizanthe leptotheca Edmund C. Jaeger 1922-6-14 s.n. Riverside MacMullen Trail, E slope San Jacinto Mts. Comment
  UCD99733  Chorizanthe leptotheca R. N. Raynor 1938-6-20 s.n. Riverside Coahuila. Comment
  UCR205450  Chorizanthe leptotheca Diane Menuz 2008-6-19 465 Riverside Peninsular Ranges: San Jacinto Mts, Garner Valley; c 0.3 mi east of Hwy 74, north of Morris Ranch Rd 1374 Comment
  UCR280973  Chorizanthe leptotheca Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-4-6 417- 77 Riverside Temescal Valley, Indian Wash, NE of I-15 and S of Temescal Canyon Rd. 351 Comment
  SD247476  Chorizanthe parryi var. parryi Andy Sanders, J. Schweitzer, K. Young 2015-3-24 41473 Riverside San Gorgonio Pass: north of San Gorgonio River wash, 3.1 miles due east of Cabazon, south of I-10 and 1.1 miles ENE (77 degrees) of water bottling plant, north edge of wind farm. 451 Comment
  UCR112486  Chorizanthe parryi var. parryi A. C. Sanders, T. B. Salvato 2000-5-25 23404 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
  UCR263224  Chorizanthe parryi var. parryi A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41468 Riverside San Gorgonio Pass, near San Gorgonio River wash, c. 2.88 miles ESE of Cabazon, c. 1 mi. NNW (338 deg. ) of One Horse Spring, south of I-10 and east of water bottling plant, edge of wind farm 454 Comment
  RSA392740  Chorizanthe rigida N. C. Cooper 1949-4-8 3305 Riverside Desert Center. 610 Comment
  SBBG16842  Chorizanthe rigida K. K. Muller 1958-3-22 917 Riverside Hwy 60, 7 mi E of Desert Center Comment
  RSA559367  Chorizanthe staticoides Steve Boyd, Tim S. Ross, Dave Bramlet 1993-5-13 7377 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile 412 Comment
  UCR121210  Chorizanthe staticoides D. E. Bramlet 1991-5-10 2145 Riverside Perris-Aguanga Basin region, North Domenigoni Hills, 4300-4500 ft. SE from end of Warren Rd., W side of large peak in Sec. 31, just above saddle 610 Comment
  POM80085  Chrysothamnus nauseosus subsp. bernardinus Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  POM184189  Chrysothamnus paniculatus M. French Gilman 1932-11-30 5 Riverside Cabazon Comment
  RSA0112103  Chrysothamnus paniculatus Duncan S. Bell 2009-10-9 486 Riverside Northwest of the Arica Mountains. 281 Comment
  CLARK-A1528-1739  Chrysothamnus teretifolius John C. Roos 1942-10-24 2577 Riverside Joshua Tree National Park 1523 Comment
  UCR245256  Chylismia brevipes subsp. brevipes Jim Andre 2012-3-19 21294 Riverside Sonoran (Colorado) Desert, north end of Orocopia Mountains, 0.5 mi. south of junction of Box Canyon Rd and I-10 Fwy, 23 miles east of city of Coachella 470 Comment
  JEPS23431  Chylismia cardiophylla subsp. cardiophylla M. French Gilman 1845-1 716 Riverside Palm Springs of San Jacinto Comment
  CAS-BOT-BC160588  Chylismia claviformis subsp. aurantiaca Carl B. Wolf 1932-4-29 3109 Riverside Eastern Colorado Desert. Blythe - Rice Road. 9 mi. So. of Browns Well 243 Comment
  CAS-BOT-BC160600  Chylismia claviformis subsp. aurantiaca F. O. Ballou 1926-2-27 s.n. Riverside Painted [Canon] Canyon Comment
  UC1184362  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-2-15 11584 Riverside along US Hwy 60 24.7 mi e turn to Corm Springs; Chuckwalla Mountains Comment
  JEPS23425  Chylismia claviformis subsp. peirsonii Newlon 1922-4-2 418 Riverside hwy between Westmoreland and Indio; Colorado Desert Comment
Read comments
Apr 3 2011
  JOTR31103  Cirsium neomexicanum La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2361 Riverside Joshua Tree National Park. Little San Bernardino Mountains, north end of Lost Horse Hills; Open gravelly slopes with sandy wash at base leading to Ryan Mountain campground (Stop 6) Comment
  CAS-BOT-BC286457  Cirsium scariosum Scott D. White 1997-5-18 5164 Riverside San Jacinto Mts. Vista Grande Area: Just W of USFS Vista Grande Fire Station (i.e., Hwy 243 ca. 10 road miles SE of Banning) 1500 Comment
  POM320504  Cirsium vulgare Patricia Wilder 1970-10-30 4831 Riverside Road on south side of Prado Flood Control Basin on east side of Prado Dam. About 1/2 mile east of dam tender's residence. Santa Ana River Drainage Area. East of Chino Hills. 152 Comment
  CAS-BOT-BC438664  Cistanthe ambigua S. B. Parish; W. F. Parish 1884-4-5 1188 a Riverside Indio Comment
  POM11500  Cistanthe monosperma P. A. Munz 1922-7-7 6039 Riverside San Jacinto Peak. 3293 Comment
  UCR165832  Clarkia dudleyana T. B. Salvato, John F. Green 2004-5-27 638 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
  UCR87910  Clarkia dudleyana A. C. Sanders 1994-5-29 14568 Riverside San Bernardino Mtns, Millard Canyon, at stream crossing just below site of Millard Station on Forest Service Road 2S05 1100 Comment
  UC76441  Clarkia epilobioides Miss M. Alice King April 1893 Riverside Menifee Comment
  POM9608  Clarkia purpurea subsp. quadrivulnera I. M. Johnston 1920-5-8 s.n. Riverside Jurupa Mts, extreme west end. between Riverside and Ontario. Comment
  UCR108859  Claytonia parviflora Heidi A. Haid 1968-3 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  RSA522742  Claytonia parviflora subsp. parviflora Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-3-29 3849 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  UC7891  Claytonia parviflora subsp. parviflora Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  SBBG34198  Claytonia parviflora subsp. viridis T. L. Secrest 1951-5-21 Riverside Idyllwild 1524 Comment
  UCR16508  Claytonia parviflora subsp. viridis Bill Schultz 1972-5-22 720522- 28 Riverside Peninsular Range, San Jacinto Mtns., Hwy 74, 0.3 miles west of McCall Park turn-off, east side of road 1372 Comment
  RSA650479  Clematis lasiantha G. Foster 1961-5-12 s.n. Riverside Idyllwild. Comment
  UCR12288  Clematis ligusticifolia Paul D. Wood 1971-10-3 s.n. Riverside Riverside, Santa Ana riverbottom area bordering Fairmount Park 244 Comment
  UCR195112  Clematis ligusticifolia A. C. Sanders, Tim Thomas 2008-8-1 35944 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1402 Comment
  CHSC35508  Clematis pauciflora Jeanne Muro 1972-4-29 39 Riverside 3 mi. SW of Murrieta on Tenaja Rd. 548 Comment
  UC667312  Clematis pauciflora Annie M. Alexander and Louise Kellogg 1941-5-4 2115 Riverside Joshua Tree Nat'l Monument, Barker Dam 1310 Comment
  UCR21840  Clematis pauciflora 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
  UCR97283  Clematis pauciflora Scott D. White 1993-3-12 1161 Riverside Near Winchester 466 Comment
  UC1518619  Collinsia concolor Drs. Fosberg, Sachet, & Herbst 1983-4-23 55457 Riverside 3.3 mi n Whitewater Post Office (side canyon on w side of Whitewater Canyon); San Bernardino Mtns 594 Comment
  UC1563032  Collinsia concolor Steve Boyd, Tim Ross, Laurel Arnseth 1989-4-1 3170 D Riverside just sw Vail Lake dam (recent burn in hills); Vail Lake area 487 Comment
  RSA0117418  Collinsia concolor D. Charlton 1988-5-21 1969 Riverside Thomas Mtn Rd, W of Garner Valley and S of Lake Hemet on Hwy 74. 1829 Comment
  POM4203  Collinsia heterophylla Robinson, Crocker 1916-3-29 s.n. Riverside Santa Ana Mountains, near Murrieta. Comment
  UCR94077  Collinsia heterophylla Scott D. White, M. Jacobsmeyer 1996-4-20 3939 Riverside Elsinore Basin, Bundy Canyon, east of Lake Elsinore; c. 1 road mi. east of Bundy Canyon Rd exit from the Interstate Hwy 15 exit 451 Comment
  RSA524443  Convolvulus simulans Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4059 Riverside Vail Lake area, E flank of Big Oak Mtn, S of E summit. 610 Comment
  RSA289854  Conyza canadensis B. A. Prigge 1980-9-16 4048 Riverside Coachella Valley Stormwater Channel; W of Munroe St. Indio 0 Comment
  RSA395352  Coreopsis californica Steve Boyd 1986-4-22 1746 Riverside Temescal Canyon; Stable alluvial benches of Indian wash just S of I-15. Comment
  POM230198  Corethrogyne filaginifolia I. W. Clokey, E. G. Anderson 1933-8-21 6962 Riverside N Fork San Jacinto River. 1500 Comment
  POM49087  Corethrogyne filaginifolia P. A. Munz, I. M. Johnston 1924-7-26 8713 Riverside South of Banning. 976 Comment
  RSA520084  Corethrogyne filaginifolia Steve Boyd, David E. Bramlet 1988-10-8 2864 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Along crest of the mountain. Comment
  SD136906  Corethrogyne filaginifolia Steve Boyd 1994-10-14 8401 Riverside San Mateo Canyon Wilderness Area, along the Fisherman's Camp Trail. 449 Comment
  RSA716107  Corethrogyne filaginifolia var. filaginifolia M. Wall 2006-10-8 420 Riverside South Fork San Jacinto River east of Hemet along Hwy 74 past Cranston Ranger Station. Just off the highway towards the river. 638 Comment
  SD229080  Corethrogyne filaginifolia var. filaginifolia Dick Schwenkmeyer 2012-8-28 812 Riverside Fuller's Mill camp, 2.6 mi. east of intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1799 Comment
  SEINET3071319  Coryphantha alversonii Marc A. Baker, Michelle Cloud-Hughes 2011-1 Riverside Comment
  RSA789250  Crassula aquatica Naomi Fraga, Erika Gardner, Beth Kempton, Tom Kerrin-Torres, Michael Wall 2008-7-17 2420 Riverside Mount San Jacinto State Park; Hidden Lake 2652 Comment
  SD262269  Crassula aquatica Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317 34 Riverside Perris - Aguanga Basin: Menifee, SE corner of Musick Rd. and Murrieta Rd. Vernal pool. 454 Comment
  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
  UCR138722  Crassula connata Julie A. Greene 1993-4-17 1197 Riverside San Jacinto Valley, San Jacinto Wildlife Area, flat area west of Davis Rd 445 Comment
  UCR41243  Crassula connata N. M. Fellows 1985-3-3 99 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
  CAS-BOT-BC226243  Crassula tillaea A. C. Sanders 2011-4-7 39026 Riverside Peninsular Range; Santa Ana Mtns. Region: Temescal Canyon, between Horsethief Canyon and Glen Eden, along I-15 Frontage Rd., SE of Lee Lake 381 Comment
  CAS-BOT-BC427941  Crassula tillaea A. C. Sanders; T. B. Salvato 2001-5-3 24102 Riverside Perris-Aguanga Basin region: Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley. 518 Comment
  SD38405  Cressa truxillensis Edith A. Purer 1936-4-6 6880 B Riverside South of Elsinore Comment
  RSA397720  Crossosoma bigelovii P. J. Remple 1942-3-21 s.n. Riverside Whitewater Canyon. Comment
  UC990732  Crossosoma bigelovii Roxana S. Ferris 1953-3-10 12600 Riverside about 2 mi n Whitewater Post Office; Whitewater Canyon Comment
  RSA0086774  Croton californicus R. G. Swinney 1967-5-26 11736 Riverside Snow Creek. 335 Comment
  UCR237489  Croton californicus Duncan S. Bell, Amber Swanson 2011-2-18 2025 Riverside Mojave Desert, Coachella Valey area, Edom Hill, along Edom Hill Road near dump, 0.6 road mi from junction with Varner Road 259 Comment
  UCR237692  Croton californicus Orlando Mistretta, Duncan S. Bell, Janet Beckman, Joy England, K. Kane, et al. 2010-4-12 4604 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 526 Comment
  SEINET9458037  Croton californicus L. D. Copeland 1904-5-5 s.n. Riverside West Canyon. Comment
  RSA145912  Croton californicus var. mohavensis William M. Klein 1958-2-11 36 Riverside 2.6 miles E of Cabazon on Highway 70-99; along side of road 545 Comment
  SDSU5406  Cryptantha H. Wedberg 1962-4-20 909 Riverside About 1 mile SE of Pinyon Flats on road to Palm Springs. 1219 Comment
  UCR251696  Cryptantha T. B. Salvato 2014-4-9 7843 Riverside Perris-Aguanga Basin, Menifee, c. 4 mi southeast of Canyon Lake, northeast corner of Bundy Canyon Road and Sunset Avenue 534 Comment
  POM368193  Cryptantha angustifolia M. B. Dunkle 1933-3-4 3047 Riverside Painted Canyon, Colorado Desert. 30 Comment
  POM368196  Cryptantha angustifolia N. C. Cooper 1949-4-8 3294 Riverside Desert Center. 610 Comment
  RSA780381  Cryptantha angustifolia Stephanie Rockwood, Christi Gabriel 2011-11-7 197 Riverside Rice Valley. Highway 62 to Blythe/Rice Road. About 1 mile from highway. 229 Comment
  UC1112454  Cryptantha angustifolia Peter H. Raven 1958-1-23 11427 Riverside 6.5 miles northwest of Indio (fringing U.S. Hwy 99) Comment
Read comments
Jun 9 2012
  SEINET12280708  Cryptantha angustifolia E. A. Purer 1935-1 6457 Riverside near Palm Springs Comment
  UCR138587  Cryptantha barbigera Steve Boyd, T. S. Elias, Erika Winter 1986-2-18 1330 Riverside Western Colorado Desert, Mecca Hills: Box Canyon, along Hwy 195 305 Comment
  UCSB12065  Cryptantha barbigera Dearing, Hugh; Dearing, Margaret 1942-3-1 Riverside Near Cathedral City Comment
  JOTR36479  Cryptantha barbigera var. fergusoniae La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3192 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Smithwater Canyon, below steep rock wall at bend in canyon (Biodiversity Hunt stop3) 1241 Comment
  SDSU21880  Cryptantha barbigera var. fergusoniae Kristen Hasenstab, M. G. Simpson 2008-4-2 66 Riverside Joshua Tree National Park. North side of Split Rock, 100ft south of the trail wrapping around Split Rock. 1294 Comment
  CAS-BOT-BC189588  Cryptantha circumscissa var. circumscissa Samuel B. Parish No date on label 188 Riverside Palm Canon [Canyon], Agua Caliente, Colorado desert Comment
  JOTR33725  Cryptantha circumscissa var. circumscissa La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2726 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy pediment/bajada surrounding granitic ourcrops near Stirrup Tank parking lot (Stop 1) Comment
  UCR258751  Cryptantha corollata T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7913 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 0.6 mi north of Hwy 15 and Temescal Canyon 476 Comment
  RSA0078807  Cryptantha cycloptera Duncan S. Bell 2010-4-2 693 B Riverside Arica Mountains: collecting along the ridgeline of the mountain range about 0.3 air mile north of the summit. 561 Comment
  UC1191073  Cryptantha dumetorum Francia Chisaki and Peter M. Ray 1952-4-6 2199 Riverside about 0.25 mi w Cottonwood Springs; Joshua Tree National Monument Comment
  UCR279374  Cryptantha dumetorum A. C. Sanders, Jim Malusa 2017-3-24 42952 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  HSC101202  Cryptantha inaequata Jim Andre 2012-3-19 21382 Riverside Palen Mountains; along Palen Pass Rd. at Pallen Pass. 383 Comment
  POM146228  Cryptantha intermedia F. M. Reed 1927-5-8 5310 Riverside Hills south of Perris Comment
  RSA33876  Cryptantha intermedia N. C. Cooper 1944-6-4 1364 Riverside Elsinore Mountain; Lookout at top. 1066 Comment
  RSA517930  Cryptantha intermedia Steve Boyd 1986-3-1 1367 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park. 640 Comment
  SDSU5389  Cryptantha intermedia H. Wedberg 1962-4-20 902 Riverside About 8 1/2 miles from Hemet, and 1/2 mile from Cranston Ranger Station on road to Mountain ceter and Idyllwild. 610 Comment
  UC662478  Cryptantha intermedia Philip A. Munz 1937-5-30 15091 Riverside n of Vandeventer Flat; Santa Rosa Mts. 1524 Comment
  UCR240619  Cryptantha intermedia Tracy Tennant, Mitch Provance 1998-6-16 MOR- 439 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon, in wash just north of woodland stand M15 1098 Comment
  UCR27193  Cryptantha intermedia Marlyce Myers 1980-4-21 s.n. Riverside Perris Basin, Motte Reserve, 2.5 mi NW of Perris 518 Comment
  SDSU21778  Cryptantha juniperensis A. C. Sanders 2012-4-6 40006 Riverside Peninsular Range; Santa Ana Mtns. Area: Remescal Canyon, side canyon above washout along old (c. 1926) Corona-Elsinor RR route between I-5 and Temescal Cyn. Rd., c 10 miles south of Corona 319 Comment
  RSA0119973  Cryptantha maritima Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9094 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.75 air miles southeast of the summit of Martinez Mountain. 550 Comment
  UCR148846  Cryptantha maritima Chet McGaugh 2005-1-5 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 1 mi. north of the Imperial Co. line along Coachella Canal right-of-way 21 Comment
  UCR163920  Cryptantha maritima A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29141 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  UCR167246  Cryptantha maritima John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, WNW of Rancho Dos Palmas between Coachella Canal siphons 29 and 30 24 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
  UCR89712  Cryptantha maritima J. M. Stewart 1993-3-10 684 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; Corn Springs Rd, 2 mi south of Chuckwalla Rd. Comment
  UC489041  Cryptantha micrantha C. V. Meyer 1927-6-1 160 Riverside Saunders Meadow San Jacinto Mts. 1706 Comment
  SEINET10840807  Cryptantha micrantha David B. Dunn 1946-8-17 Dunn 2718 Riverside Round meadow dry hillside among Lodge Pole pines San Jacinto mts. Hidden Lake. 2441 Comment
  CLARK-A1528-2222  Cryptantha micrantha subsp. lepida John C. Roos 1947-5-24 3648 Riverside San Jacinto Mountains Comment
  RSA0013026  Cryptantha micrantha var. lepida LeRoy Gross, Caitlin Elam 2013-5-14 6045 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  RSA523516  Cryptantha micromeres Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3975 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA543895  Cryptantha micromeres Steve Boyd 1991-5-20 6274 Riverside Santa Ana Mountains, NW of Lake Elsinore. Lower Rice Cyn, just inside Cleveland Nat. For. boundary. 573 Comment
  RSA612941  Cryptantha micromeres D. L. Banks 1997-3-29 1636 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
  SBBG120595  Cryptantha microstachys A. C. Sanders 2006-5-19 32441 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
  SBBG19053  Cryptantha microstachys M. A. Piehl 1963-6-2 63546 Riverside Hwy 74, ca. 1.2 mi W of Mountain Center 1341 Comment
  SEINET3084417 Image available Cryptantha microstachys Rose Gagnon 1968-5-14 680514 -4 Riverside Riverside. North bank of Santa Ana River east of Salt Lake City Bridge. Comment
  UCR157463  Cryptantha microstachys A. C. Sanders 1994-5-30 14596 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  UCR63513  Cryptantha microstachys Scott D. White 1990-6-16 s.n. Riverside Santa Ana Mtns, Cleveland National Forest, private land just inside the Forest boundary; E wall of Hagador Canyon, near the mouth of the canyon 400 Comment
  SEINET238563  Cryptantha muricata George K. Helmkamp 1998-6-27 4094 Riverside Santa Rosa Mtns.: 3.3 mi S of Hwy 74 along Santa Rosa Mtn Rd. in vicinity of an unnamed spring. 1585 Comment
  RSA772061  Cryptantha muricata var. jonesii Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4627 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA0123760  Cryptantha pterocarya var. cycloptera Duncan S. Bell, LeRoy Gross 2016-3-9 8864 Riverside Orocopia Mountains; northwestern section of the range, approximately 6.5 air miles southwest of Chiriaco Summit, collecting in the area know as Hotel California. 775 Comment
  RSA0079106  Cryptantha pterocarya var. pterocarya Duncan S. Bell 2011-4-7 2183 Riverside The east side of the Arica mountains; approximately 1.2 air miles north of Priests Well. or approximately 4.5 air miles southwest of the ghost town of Rice. 308 Comment
  UCR84844  Cryptantha pterocarya var. pterocarya A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16134 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  JOTR30329  Cryptantha racemosa La Doux, Tasha, E. Babich, J. Galvin, B. Truesdell, N. Fraga, A. Miller, J. Van Warmerdam 2008-2-4 1772 Riverside Joshua Tree National Park. Stop #2: Hexie Mtns./Porcupine Wash. Deep canyon with sandy bottom and rocky steep slopes. 778 Comment
  VVC1338  Cryptantha racemosa A. C. Sanders, J. Mac 1996-11-23 19653 Riverside San Bernardino Mtns., Whitewater Canyon, just below the fish hatchery 648 Comment
  CLARK-A1045-299  Cryptantha utahensis George K. Helmkamp 1977-3-20 Riverside Deep Canyon dry wash of Deep canyon; ; Palm Desert 15'Q Comment
  POM3644  Cuscuta californica I. M. Johnston 1917-4-4 s.n. Riverside Mouth of Andreas Canyon. 244 Comment
  RSA525320  Cuscuta californica Steve Boyd, D. E. Bramlet 1990-4-29 4474 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  CAS-BOT-BC224606  Cuscuta californica var. papillosa Geo. B. Grant 1906-4-20 6705 Riverside Palm Springs Comment
  UCR201868  Cycloloma atriplicifolium Justin M. Wood 2008-9-30 178 Riverside SW Perris Basin, Temecula/Murrieta Creek, downstream of 1st Street bridge 305 Comment
  UCR263232  Cycloloma atriplicifolium A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41458 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
  SEINET11044078 Image available Cylindropuntia californica var. parkeri Marc A. Baker, Emily Mastrelli 2015-4-20 18330 Riverside The Badlands 600m SSW of the intersection of San Timoteo Canyon Road and Redlands Blvd., 23 km ENE of central Riverside, 20 km SE of central San Bernardino 567 Comment
  SD247385  Cylindropuntia munzii Andy Sanders, T. Thomas, et al. 2012-11-1 40509 Riverside Sonoran (Colorado) Desert: Chuckwalla Bench, south of the Chuckwalla Mountains, along Bradshaw Trail 1 kilometer southeast of Augustine Road junction, large wash on southwest side of road. 694 Comment
  UC1560187  Cylindropuntia ramosissima E. Yale Dawson May, 1932 Riverside Desert Center Colorado Desert Comment
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Apr 5 2011
  UCD97943  Cylindropuntia ramosissima William H. Brooks 24-25 Feb 1989 s.n. Riverside McCoy Wash, north of Blythe. 579 Comment
  CLARK-A1528-50  Cynodon dactylon C. M. Flanagan 1973-5-31 OO 640 Riverside Morongo Indian Reservation Comment
  JOTR32383  Cynodon dactylon La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2491 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  JOTR32386  Cynodon dactylon La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2491 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  POM1182  Cynodon dactylon I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. Comment
  SEINET3099346 Image available Cyperus G. Rink, M. Baker, T. Thomas. M. Honer, A. Karl 2010-10-2 10333 b Riverside Private. Canal two miles north of Blythe. 70 Comment
  RSA653174  Cyperus difformis Mitch Provance 2000-6-24 2059 Riverside Santa Ana River Wash, between the Market St. bridge and the 60 Fwy. 244 Comment
  UCR168544  Cyperus eragrostis L. C. Wheeler 1932-9-4 1333 Riverside Prado Basin, Santa Ana River at Chino Creek 183 Comment
  UCR271689  Cyperus eragrostis Mitch Provance 2011-7-4 17182 Riverside San Bernardino Valley, Northwestern base of the Jurupa Mountains, adjacent to S side of Fontana (technically in an unincorporated part Riverside Co.), retention basin on S side of Philadelphia St., just E of Country Village Rd. 262 Comment
  UCR272474  Cyperus esculentus Mitch Provance 2012-7-25 712- 01 Riverside San Gorgonio Pass, Banning, Smith Creek, NE of West Ramsey St. and Highland Home Rd. 1410 Comment
  UCR93231  Cyperus odoratus A. C. Sanders 1994-7-27 15164 Riverside Riverside, Santa Ana River between the San Bernardino Co. line & the Market Street Bridge 246 Comment
  UCR240181  Cyperus retrorsus R. E. Riefner Jr. 2005-11-23 05- 780 Riverside city of Corona, Santa Ana Canyon, below Prado Dam, Santa Ana River c. 0.5 mi southwest of 71 Fwy 135 Comment
  RSA0043045  Dalea mollis Duncan S. Bell, Loraine Washburn 2014-4-8 6579 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1.25 air miles north northeast of Clemens Well/Bradshaw Trail. 356 Comment
  POM301796  Dalea mollissima J. Cole 1942-5-19 964 Riverside Ruby Lee Mine, Joshua Tree National Monument. 915 Comment
  UC68519  Dalea mollissima H. M. Hall Apr., 1905 5792 Riverside Colorado Desert 30 Comment
  CLARK-A1656-794  Dalea schottii Jon Mark Stewart 1982-5-15 Riverside San Jacinto Mountains 853 Comment
  POM13846A  Datisca glomerata E. C. Jaeger 1921-7-7 1184 Riverside Massacre Canyon [Badlands, near Lamb Canyon -SDW] Comment
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Nov 5 2011
  SD232669  Datisca glomerata Scott D. White 1996-8-15 4465 Riverside San Jacinto Mts.; Idyllwild Area: Alvin Meadows and unnamed canyon upstream. Upper margin of aea burned in July 1996. 1524 Comment
  UC19642  Datisca glomerata Geo. F. Reinhardt June, 1897 Riverside San Jacinto Valley Comment
  UCR68859  Datisca glomerata Steve Boyd, T. S. Ross 1990-5-11 4659 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
  RSA575930  Datura wrightii Steve D. Boyd 1994-10-14 8391 Riverside Southern San Mateo Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest. San Mateo Canyon, in canyon bottom at the confluence with Bluewater Canyon. 329 Comment
  HSC85253  Daucus pusillus Steve Boyd 1986-4-22 1736 Riverside Temescal Canyon: Walker Canyon area, where Alberhill Creek (=Temescal Creek) flows between Alberhill Mtn. and Gavilan Hills. Comment
  UC1792817  Deinandra mohavensis A. C. Sanders, Steve Boyd, Jeff Ross, Mitch Provance 1998-10-25 22272 Riverside San Jacinto Mtns.: Hwy 243 between Idyllwild and Mountain Center, 1 mile north of Mtn. Center 1426 Comment
  SD214619  Delphinium parishii subsp. parishii Edith A. Purer 1935-4-21 6469 Riverside Hillside, near Palm Springs, east side of San Jacinto Mountain Comment
  RSA0020491  Delphinium parishii subsp. parishii Donald A. Johansen, Joseph A. Ewan 1932-4-10 7094 Riverside Mouth of Tahquitz Canyon, Western Colorado Desert. Comment
  UC9162  Delphinium parryi subsp. parryi H. M. Hall June 1901 2171 Riverside In the Meadows of Thomas Valley 1371 Comment
  UCR8150  Delphinium patens subsp. montanum B. Freeman 1969-6-19 690619- 5 Riverside San Jacinto Mtns, James Reserve 1646 Comment
  SEINET10527286  Deschampsia gracilis Philip A. Munz 1941-5-18 Munz 16645 Riverside Dried mud-flat, 15 miles NE of Temecula. Comment
  UCR279340  Descurainia pinnata A. C. Sanders, Jim Malusa 2017-3-23 42948 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 3 miles east of Iris Pass 854 Comment
  RSA49350  Descurainia pinnata subsp. glabra P. A. Munz 1949-4-11 13016 Riverside Near Conejo Well, north base of Eagle Mts 915 Comment
  UC64141  Dicentra chrysantha H. M. Hall May 1899 1216 Riverside Smith's Mt. Comment
  UCR113154  Dichelostemma capitatum A. C. Sanders 1998-3-11 21666 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, near east end of hills 518 Comment
  IRVC14695  Dichelostemma capitatum subsp. capitatum Victoria Sork 1973-4-5 s.n. Riverside Elsinore; 1.5 mi. N, 0.5 mi. W of intersection of Hwys 74 and 71. Comment
  RSA367463  Dichelostemma capitatum subsp. capitatum F. A. Thackery 1927-3-30 289 Riverside Banning Comment
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Mar 13 2011
  RSA367466  Dichelostemma capitatum subsp. capitatum Mark Morris 1929-3-17 s.n. Riverside Palm Canyon. Comment
  RSA367526  Dichelostemma capitatum subsp. capitatum N. C. Cooper 1944-5-21 1276 Riverside San Jacinto Mtns., west side. 1372 Comment
  UCSB22206  Dichelostemma capitatum subsp. pauciflorum Keefe, Joseph 1967-3-24 Riverside 1/3 mile east of Tahquitz Waterfall, Tahquitz Canyon, 3 miles west of Palm Canyon Boulevard, Palm Springs 182 Comment
  SEINET10533954  Dichelostemma pulchellum Steve Boyd, Timothy S. Ross; Laurel Arnseth; Jaime Bonilla, Barbosa 1990-4-2 Boyd 4013 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn., along Hwy 79, E of USFWS Dripping Springs Guard Sta. T8S R1W SE 1/4 NW 1/4 sec. 23. 1600-2000 feet. Capparral and oak woodland vegetation burned by Mt. Palomar fire, 1989. Comment
  RSA501060  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3177 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  CLARK-A1528-1796  Dicoria canescens John C. Roos 1957-11-30 6659 Riverside Coachella Valley 152 Comment
  POM184344  Dicoria canescens Thos. Craig 1932-1-10 1794 Riverside In Wash, Cathedral Canyon, Colorado Desert. 122 Comment
  UC410767  Dicoria canescens Mrs. John C. Augsbury 1929-2-1 Riverside Indio Comment
  UCR38956  Dicoria canescens David J. Keil 1976-12-12 11928 Riverside Sonoran (Colorado) Desert, [Chuckwalla Valley] along Interstate Hwy 10, 37 mi east of Chiriaco Summit Comment
  UCSB7955  Dicoria canescens Dearing, Hugh; Dearing, Margaret 1939-11-12 Riverside W. Colorado Desert Comment
  RSA737263  Digitaria sanguinalis Scott D. White, Justin M. Wood 2008-9-17 12539 Riverside Romoland, 1/4 mile S of Ethanac Rd, between San Jacinto Rd and Palomar Rd, just S of railroad tracks. 442 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
  RSA0019408  Diplacus fremontii Henry J. Ramsey, Henry J. Ramsey 1939-4-23 392 Riverside Hemet, Anza, Bautista Creek Rd. Comment
  RSA0019424  Diplacus fremontii Barbara J. Ertter, Jeffrey L. Strachan 1979-6-26 2989 Riverside Banning - Idyllwild Road (Highway 243) at Black Mountain turnoff (Forest Road 4S01). Comment
  CAS-BOT-BC195678  Distichlis spicata A. C. Sanders 1993-4-1 13659 Riverside Western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St. and Devonshire Ave., 3/4 mi. NE of the intersection of Florida Ave. (Hwy 74) and Warren Rd., just S of Tres Cerritos 460 Comment
  JEPS3937  Ditaxis claryana Marjorie D. Clary 1932-12-15 1709 Riverside Coral reef Ranch, 8 miles west of Coachella Comment
  GMDRC9814  Ditaxis lanceolata J. M. Andre 2017-3-1 38018 Riverside Eagle Mountains: south end of range, 2.8 mi. north of Interstate 10 at Hayfield Rd exit 506 Comment
  JOTR33807  Ditaxis lanceolata La Doux, Tasha, B. Truesdell 2007-11-9 3324 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park, open bajada below mouth of Lost Palms Canyon (STOP 2) 601 Comment
  POM193208  Ditaxis lanceolata Marcus E. Jones 1929-9-16 24871 Riverside East of Desert Center. Comment
  UCR114113  Ditaxis lanceolata B. G. Pitzer, J. Ross 1998-3-8 3609 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  UCR246845  Ditaxis lanceolata Jim Andre 2012-3-19 21322 Riverside Sonoran (Colorado) Desert, north end of Chuckwalla Mountains at Jaeger Nature Sanctuary, 1.5 mi. south of junction Eagle Mt Rd and I-10 freeway 411 Comment
  UCR163735  Ditaxis neomexicana B. G. Pitzer 2000-11-4 4239 Riverside Sonoran (Colorado) Desert, north side of the Chuckwalla Mtns., Eagle Mountain Rd. 0.8 mi. south of Hwy I-10 at and around powerline road, c. 3.5 mi. WSW of Desert Center 402 Comment
  UCR256714  Ditaxis neomexicana Duncan S. Bell 2012-2-12 3104 Riverside Mojave Desert, Mecca Hills, c. 1.25 air miles north of Box Canyon Road, and c. 4 air miles southwest of Shavers Well 256 Comment
  VVC2111  Ditaxis neomexicana Tim Thomas 2012-8-23 5870 Riverside Colorado Desert, WNW of Blythe on east side of McCoy Mtns, 5 miles north of I-10 168 Comment
  VVC648  Ditaxis neomexicana P. J. MacKay 1997-2-8 103 Riverside Sonoran Desert, Palm Springs, Murray Canyon; at edge of creek btw palm groves 243 Comment
  CAS-BOT-BC401160  Dithyrea californica Sarah J. De Groot; April Garbat 2013-3-28 6996 Riverside Along Highway 177 at sandy area just south of the Desert Lily sanctuary, Chuckwalla Valley, just south of the Coxcomb Mountains 152 Comment
  RSA33641  Dithyrea californica N. C. Cooper 1945-3-24 1618 Riverside Cabazon. 457 Comment
  POM95407  Dithyrea californica Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  UCD170172  Dodecahema leptoceras R. E. Riefner, Jr 2005-5-25 05- 418 Riverside Temecula Region: Pechanga Indian Reservation, on north side of Pechanga Creek, south of Pechanga Road. 377 Comment
  CLARK-A1045-162  Downingia concolor subsp. brevior George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains vernal pool; Wildomar 7.5'Q Comment
  CAS-BOT-BC41630  Draba corrugata var. saxosa Carl B. Wolf 1932-8-5 3979 Riverside San Jacinto Mountains. Summit of San Jacinto Peak. 3293 Comment
  UC729877  Draba corrugata var. saxosa Carl B. Wolf 1932-8-5 3979 Riverside summit San Jacinto Peak San Jacinto Mts., summit San Jacinto Peak 3293 Comment
  UCR23482  Draba cuneifolia John C. Roos 1958-2-22 s.n. Riverside Chuckwalla Mtns., Canyon 2.5 mi S.E. of Desert Center Comment
  RSA66172  Draba cuneifolia var. integrifolia F. W. Peirson 1919-4-14 649 Riverside Murray Canyon, Palm Springs Region. Comment
  IRVC145  Dryopteris arguta Barbara Mawdsley 1965-4-24 HS 528 Riverside Highway 74; 1/4 mile SE of Keen Camp Summit. Peninsular Ranges, San Jacinto Mountains Comment
  LA204779  Dudleya abramsii Joan Malloy; 1952-5-24 sn Riverside Hemet Valley, S side of road Comment
  RSA708016  Dudleya edulis Scott D. White, Jennifer H. Jones 2005-7-5 11151 Riverside Santa Ana Mountains: Rainbow Valley area, west of I-15 and just N of San Diego Co. boundary. 335 Comment
  SD70422  Dudleya lanceolata W. L. Jepson 1914-5-25 6069 Riverside San Gorgonio Pass. 550 Comment
  UCR174380  Dudleya lanceolata A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32628 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
  RSA191407  Dudleya pulverulenta E. W. Lathrop, R. F. Thorne 1967-9-26 6619 Riverside Tenaja Guard Station, 10 miles NW of Murrieta. Comment
  UCR213860  Dudleya pulverulenta Scott D. White, Justin M. Wood 2009-5-22 12930 Riverside San Jacinto Mountains, Old Control Road, below Halfway Spring 915 Comment
  RSA588661  Dudleya pulverulenta subsp. pulverulenta D. L. Banks, S. D. Boyd 1995-10-17 0818 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
  LA204791  Dudleya saxosa subsp. aloides David S. Verity; 1951-4-23 sn Riverside base of San Jacinto Mountains in upper end of Coachella Valley near San Gorgonio Pass Comment
  POM229021  Dudleya saxosa subsp. aloides P. A. Munz 1937-5-31 15119 Riverside Head of Coyote canyon 1067 Comment
  RSA0123698  Dudleya saxosa subsp. aloides Duncan S. Bell, LeRoy Gross 2016-3-30 9166 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  SD135107  Dudleya temeculana Paul H. Thomson Unknown Riverside Near Temecula Comment
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Mar 27 2011
  SEINET8060926 Image available Echinocactus polycephalus var. polycephalus Michael Chamberl 1990-1-11 13 Riverside Barstow SE quad. Barstow Rd. entry to BLM limited use land. N of saloon. West side of Rd. on low hill. Stoddard Valley. between power lines to the south, and double power lines to the north. Directly under power lines, near base of tower. West of the hill 900 Comment
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Jun 5 2016
  SEINET7073433  Echinocereus engelmannii A. G. Vestal 1963-4-25 s.n. Riverside About 6.8 miles south of Sage on Route 3. Coordinate datum: NAD27. Comment
  POM12845  Echinocereus engelmannii var. munzii P. A. Munz, I. M. Johnston 1922-5-21 5570 Riverside Hemet Valley, San Jacinto Mountains 1418 Comment
  JEPS32219  Echinodorus berteroi S. B. Parish 1891-11-3 2246 Riverside Elsinore Lake Comment
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Aug 8 2010
  UCSB6995  Ehrendorferia ochroleuca Lloyd, Robert 1959-4-17 Riverside 3 mi. south of West Corona on the Oak Flat Fire Road, Santa Ana Mtn. range 335 Comment
  UCR243742  Elaeagnus angustifolia G. F. Pratt 2013-8-2 s.n. Riverside Peninsular Range, 6.8 miles SE (162 deg. ) of Anza/Hwy 371 at Contreras Rd., near intersection of Terwilliger Rd. and Nickerson Rd. 1266 Comment
  SEINET11987369  Elatine californica R. F. Thorne 1969-1 37967 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California 625 Comment
  SD144139  Eleocharis geniculata A. C. Sanders, P. MacKay et al. 1994-12-4 15888 Riverside Colorado Desert, Salton Sink: Dos Palmas Spring and immediate vicinity, edge of canal -29 Comment
  CAS-BOT-BC112921  Eleocharis macrostachya A. C. Sanders; K. C. Rose 1968-5-15 6875 Riverside Domenigone Valley: upper Warm Springs Creek between Hwy79 (Winchester Rd) and Scott Rd. 432 Comment
  UCR220323  Eleocharis macrostachya D. E. Bramlet 1992-4-3 2207 Riverside Perris-Aguanga Basin Region, 7.5 km SW of Hemet, just east of California Ave and c. 100 m north of the ATSF RR tracks, NE of the intersection of California Ave. and Marvin Hull Road and c. 300 m west of the MWD Canal 453 Comment
  UCR20459  Eleusine indica John C. Roos, E. C. Jaeger 1952-10-8 5899 Riverside Riverside, in moist clay garden 259 Comment
  UCR207218  Elymus O. F. Clarke 2007-6-8 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  SEINET3929485  Elymus condensatus R. L. Piemeisel 1914-2-17 3812 Riverside Mt. Rubidoux.; 0 Comment
  JOTR30223  Elymus elymoides subsp. elymoides Leary, C. and Leary, Pat 1979-5-5 2980 Riverside Joshua Tree National Park. Near lower Covington Flat, Joshua Tree N.M., T2S R7E sec 6 Comment
  JOTR31140  Elymus elymoides subsp. elymoides La Doux, Tasha 2009-6-3 1851 Riverside Joshua Tree National Park. (Stop 2): Little San Bernardino Mountains, Covington Flats Area, Covington Spring 1396 Comment
  JOTR34232  Elymus elymoides subsp. elymoides La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3085 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Monzogranite boulder outcrop near base of Quail Mountain, between Lost Horse Valley and Juniper Flats; Edge of old burn area (Stop 1) Comment
  RSA769710  Elymus glaucus E. W. Lathrop 1973-6-28 7438 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  POM47449  Elymus glaucus subsp. glaucus Mary F. Spencer 1919-6-27 1231 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  UC1931214  Elymus triticoides Scott D. White, Justin Wood 2008-7-8 12392 Riverside SAN JACINTO MTS: Johnson Meadow Comment
  CSUSB99  Emmenanthe penduliflora Karen Cook 1966-5-16 Riverside Santa Ana River bottom, east of Van Buren Ave. in city of Riverside. 182 Comment
  HSC86343  Emmenanthe penduliflora Jane Hildreth 1981-6-4 22 Riverside 5 mi. S of banning along Hwy. 243, San Jacinto Mtns. 1067 Comment
  POM10397  Emmenanthe penduliflora E. A. Zumbro 1905-05 s.n. Riverside Rubidoux Hill, Riverside. Comment
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May 22 2011
  RSA504543  Emmenanthe penduliflora Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mountains, ca. 1 mile SE of town of Nuevo. 640 Comment
  SEINET3091516 Image available Emmenanthe penduliflora Don Mitchell 1990-4-30 Riverside W. side of Sage Road, ca 1/2 mi. S of intersection with Wilson Valley Road. (Sage 7.5' quad) 701 Comment
  UC162678  Emmenanthe penduliflora H. M. Hall May 1899 Riverside San Jacinto Mts., El Toro Mt., Coyote Canyon Comment
  UC68775  Emmenanthe penduliflora H. M. Hall May 1905 6010 Riverside Cottonwood Springs; Colorado Desert 670 Comment
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Oct 9 2010
  UCR114116  Emmenanthe penduliflora B. G. Pitzer, J. Ross 1998-3-8 3611 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  UCR279566  Emmenanthe penduliflora A. C. Sanders, Jim Malusa 2017-3-29 43174 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 4 km SSE (164 deg. ) of the confluence of Red Canyon and Salt Creek 518 Comment
  SEINET10397868  Emmenanthe penduliflora Norman C. Cooper 1944-4-8 1053 Riverside Andreas Canyon 305 Comment
  RSA613907  Encelia californica A. C. Sanders, O. F. Clarke 1997-5-4 20672 Riverside Baeumont: near railroad on E side of Hwy 79, S of I-10 793 Comment
  UCR232047  Encelia californica John F. Green 2008-4-15 0408- 10 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  CAS-BOT-BC172828  Encelia farinosa A. C. Sanders; T. B. Salvato 2006-6-2 33068 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  LA202445  Encelia farinosa T. A. Geissman; sn Riverside Joshua Tree National Monument, S entrance Comment
  SBBG52758  Encelia farinosa N. C. Cooper 1944-4-8 1094 Riverside Andreas Cyn 304 Comment
  UC472863  Encelia farinosa M. F. Spencer 1922-4-2 Riverside Colorado Desert; Desert Floor, Palm Springs Comment
  UC665886  Encelia farinosa Ira L. Wiggins 1941-3-24 9578 Riverside 2.7 s Mortmar; Salton Sea Comment
  POM293694  Encelia farinosa var. farinosa Lyman Benson 1949-3-28 13575 Riverside Wash at east end of Pines to Palms Highway just above junction of Palm Springs-Indio Road; Mt. Range: Santa Rosa Mountains; Drainage area: Colorado Desert. 304 Comment
  POM4941  Encelia farinosa var. farinosa C. F. Baker 1903-4-4 4151 Riverside Elsinore. Comment
  RSA48418  Encelia farinosa var. farinosa E. K. Balls 1949-4-2 12903 Riverside Near Durmid, by the Salton Sea on Hwy 111, Colorado Desert. -67 Comment
  UCR52235  Encelia farinosa var. phenicodonta Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2142 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  UCR262466  Enchylaena tomentosa A. C. Sanders 2015-6-27 41744 Riverside Peninsular Range, Riverside; former O.F. Clarke residence, 266 Frost Court; east edge of UCR campus Comment
  LA6767  Ephedra californica S. Atsatt; 1926-4-17 sn Riverside Palm Springs Comment
  RSA650254  Ephedra californica Donald W. Harshberger 1949-2-6 s.n. Riverside 10 miles NE of Palm Springs, on Lazy B Ranch, at sea level 0 Comment
  UCR12614  Ephedra californica J. Hollinger 1972-4-20 720420 4 Riverside San Bernardino mtns./Sonoran (Colorado) Desert, Whitewater River, 4.5 mi north of Hwy I-10 732 Comment
  UCR133659  Ephedra californica 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
  UCR228390  Ephedra californica Thomas R. Stoughton, J. McConnaughy, Andrew Monks, Malia Volke 2010-3-31 118 Riverside Transverse Ranges; San Bernardino Mountains, Pacific Crest Trail. W of Whitewater Canyon. N of jct of I-10 and Rte 111 740 Comment
  UCR41339  Ephedra californica N. M. Fellows 1985-3-3 98 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
  UCSB38735  Ephedra nevadensis Cowan, Clark 1978-4-23 Riverside 12.1 mi (19.2 km) S on Hwy 74 from jct. with Hwy 111 at Indian Wells 950 Comment
  SEINET3867745  Ephedra trifurca Faulkner 1978-3-20 327 Riverside Near Big Maria Mtns., 1 mile West of Colorado River.; 0 152 Comment
  RSA660215  Ephedra viridis L. C. Wheeler 1955-6-16 7159 Riverside Palm to Pines Highway: at culvert P5.53 610 Comment
  UC2030091  Epilobium densiflorum Scott D. White 2000-8-5 8108 Riverside SAN JACINTO MTS: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). 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
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Jun 21 2008
  UC472747  Epipactis gigantea M. F. Spencer 1922-6-23 33 Riverside near Idyllwild; Colorado Desert, San Jacinto Mt. Comment
  IRVC1251  Equisetum laevigatum R. H. Whittaker, W. A. Niering 1963-6-6 SJ 259 Riverside San Jacinto Ridge Road (5509) N Fork San Jacinto River. Peninsular Ranges, San Jacinto Mountains 1311 Comment
  CDA2079  Eragrostis lehmanniana Mitch Provance 2000-10-28 2280 Riverside Jurupa Mountains; Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411. Comment
  UCD63460  Eragrostis mexicana F. M. Reed 1907-11-24 2000 Riverside Riverside and vicinity. Santa Ana River bottom near Chinese Gardens. Comment
  UCR113925  Eragrostis mexicana subsp. virescens Mitch Provance, A. C. Sanders 2000-7-4 2081 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  RSA77201  Eremalche exilis F. W. Peirson 1917-4-1 2053 Riverside Andreas Canyon near Palm Springs. Comment
  UCR214881  Eremalche exilis A. C. Sanders 2010-3-23 37550 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  UC724382  Eremalche rotundifolia Aven and Ruth Nelson 1939-3-29 3317 Riverside s. of Mecca (Hidden Springs Canyon) Comment
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Jul 14 2012
  CAS-BOT-BC160057  Eremothera boothii subsp. condensata Mrs. R. W. Campbell 1922-3-12 34 a Riverside Palm Springs Comment
  SD181439  Eremothera boothii subsp. condensata V. Soza, J. M. Porter and G. D. Wallace 2001-4-2 1095 Riverside Little SanBernardino Mountains region: Mouth of West Wide Canyon, west side of Channel Run. Comment
  UCR251578  Eremothera boothii subsp. condensata Jim Andre 2013-3-27 24841 Riverside NE Colorado Desert, Riverside Mountains, Agnes Wilson Rd. west of crossing of Colorado River, 0.8 mi east of Hwy 95, 12.4 mi south of Vidal Junction 115 Comment
  RSA0105499  Eriastrum densifolium subsp. austromontanum Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  UCSB44669  Eriastrum densifolium subsp. mohavense D. Hibbard 1977-5-16 42 Riverside NW SIDE OF CA HWY 72 (11.8 MI FROM JCT WITH HWY L11) 1036 Comment
  UCR131534  Eriastrum diffusum Jennie Phui 1998-5-30 023 Riverside San Bernardino Mtns./San Gorgonio Pass, Morongo Indian Reservation, mouth of Lion Canyon, 0.5-2 miles up Lion Canyon road north of I-10 Fwy 549 Comment
  RSA0120089  Eriastrum eremicum subsp. eremicum Michael Wall 2008-4-26 454 Riverside Chuckwalla Mountains; Corn Springs wash at Corn Springs Rd. crossing ca. 8.0 miles SW of Chuckwalla Rd. 435 Comment
  SD258993  Eriastrum eremicum subsp. eremicum Sarah J. De Groot 2005-5-16 4967 Riverside Along Worsley Road paralleling Highway 62 between Dillon Road and Indian Ave., Desert Hot Springs area, vicinity of Morongo Creek. Broad but shallow washes through bajada of Little San Bernardino Mountains. 495 Comment
  UC2062556  Eriastrum eremicum subsp. eremicum Sarah J. De Groot with Robert K. Lauri 2005-7-7 5116 Riverside North foot of Mt. San Jacinto: Along Snow Creek Road just south of Highway 111, south of I-10. Comment
  UC727405  Eriastrum eremicum subsp. eremicum H. K. Wagnon 1944-5-30 411 Riverside Corner of Indian Ave and Ramon Road, Palm Springs. Comment
  UC729666  Eriastrum eremicum subsp. eremicum Carl B. Wolf 1932-5-25 3678 Riverside 1 mi below Fish Hatchery; No. base of San Jacinto Mts., Snow Creek Canyon 396 Comment
  CAS-BOT-BC514466  Eriastrum eremicum subsp. eremicum Annie M. Alexander; Louise Kellogg 1941-6-1 2265 Riverside Intersection of Morongo and main highway 243 Comment
  RSA594049  Eriastrum filifolium D. L. Banks, Elizabeth Hedge Banks 1996-5-2 0921 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, approximately 20 m inside the preserve boundary gate, 3 m E of the main road along a open field. 448 Comment
  SD45397  Eriastrum filifolium Herbert L. Mason 1926-5-2 3200 Riverside Temecula Valley Comment
  UCR112491  Eriastrum sapphirinum A. C. Sanders, T. B. Salvato 2000-5-30 23441 Riverside Menifee Valley, S of Newport Rd., north of Holland Rd. and east of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  RSA0121581  Eriastrum sapphirinum subsp. dasyanthum Percy C. Everett 1935-6-18 7176 Riverside Santa Ana Mountains, San Juan Canyon, near Ortega Highway on road [North Main Divide Road] to Santiago Pk. 701 Comment
  JOTR32192  Ericameria cooperi var. cooperi Herskovits, Tasya, M. Harding 2011-5-20 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; Ryan Mountain; Rocky slopes bordering Ryan Mountain Trail (Stop 2) 1524 Comment
  UCR13709  Ericameria cuneata J. Zabriskie, N. Ryan Zabriskie 1972-10-21 543 Riverside Peninsular Range; San Jacinto Mtns., SE of S end Marion Ridge Rd., Pine Cove, SW drainage San Jacinto Mtns. 1921 Comment
  POM318593  Ericameria palmeri var. pachylepis Patricia Wilder 1970-10-15 4799 Riverside Prado Dam; by entry gate on west end of top of dam; Chino Hills; Santa Ana River. 183 Comment
  UCR141252  Ericameria palmeri var. pachylepis A. C. Sanders, Kelly Volansky 2004-10-6 28818 Riverside Santa Ana Mtns./Santa Rosa Plateau, 41050 Avenida La Cresta, south of Sierra Maria Rd. and c. 1.5 mi. north of Tenaja Rd., c. 2 miles NW of the Mesa de Colorado 671 Comment
  OBI49189  Ericameria paniculata Lewis S. Rose 1938-12-20 38330 Riverside 3 mi SE of Palm Springs Station Whitewater Wash 274 Comment
  JEPS41493  Erigeron breweri var. jacinteus Carl V. Meyer 1928-7-31 609 Riverside Tahquitz Peak; San Jacinto Mts., Tahquitz Peak 2682 Comment
  UCSB9493  Erigeron canadensis Ballard 1954-10-30 Riverside 3 miles south of Chino Men's Reform Institution 198 Comment
  RSA750551  Erigeron divergens Scott D. White, Justin M. Wood 2009-5-21 12874 Riverside San Jacinto Mountains: Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  UC219102  Erigeron divergens P. A. Munz, D. Keck 1922-4-13 4924 Riverside Colorado Desert, Chuckawalla Valley 152 Comment
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Jun 11 2012
  UC63357  Erigeron divergens F. Gilman 1902-1 25 Riverside Palm Springs Comment
  UCR175219  Erigeron foliosus Jennifer H. Jones 2006-6-6 399 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; lower ele. part of San Juan Loop Trail, N of Upper San Juan Campground 518 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
  RSA304953  Erigeron foliosus var. foliosus E. R. Hobbs 1978-7-17 78 -121 Riverside Creek banks, Avery Canyon, betw Santa Rosa Hills and Polly Butte, N side of Gibbel road, S of Hemet Comment
  UCR59696  Erigeron foliosus var. foliosus Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3535 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, hills just to SW of the dam 489 Comment
  CAS-BOT-BC282996  Eriochloa lemmonii Malcom A. Nobs; S. Galen Smith 1948-9-3 495 Riverside 2 miles north of Indio Comment
  RSA203069  Eriodictyon crassifolium James Henrickson 1967-4-30 2460 Riverside 2 miles N of Lake Elsinore. 396 Comment
  RSA600575  Eriodictyon crassifolium Louis C. Wheeler 1962-7-28 8182 Riverside Temescal Valley. 100 yards north of well and north of Sambucus with ''No Trespassing, No Hunting'' sign. Comment
  RSA455110  Eriodictyon trichocalyx Larry E. DeBuhr 1977-5-6 2588 Riverside Whitewater Canyon, ca. 4.5 miles N from I-10. Comment
  UC219595  Eriodictyon trichocalyx var. lanatum P. A. Munz 1922-6-25 5816 Riverside Santa Rosa; Santa Rosa Mts., Santa Rosa 1524 Comment
  CAS-BOT-BC248620  Eriogonum apiculatum P. A. Munz; E. K. Balls 1952-8-21 17975 Riverside Santa Rosa Spring, Santa Rosa Mts. 2133 Comment
  POM49861  Eriogonum apiculatum P. A. Munz, I. M. Johnston 1924-7-27 8757 Riverside Dark Canyon, San Jacinto Mountains 2134 Comment
  SBBG55325  Eriogonum apiculatum R. Moran 1973-7-28 21108 Riverside summit of Toro Pk 2500 Comment
  SD155432  Eriogonum apiculatum Craig Reiser 2002-5-27 Riverside Santa Rosa Peak, above east-west primary fire road, below peak. Comment
  SD181397  Eriogonum apiculatum Louis Wheeler 1945-10-7 6412 Riverside San Jacinto Mountains; divide between West Fork Snow Creek and North Fork San Jacinto River 2377 Comment
  JOTR32853  Eriogonum brachypodum La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1167 Riverside Joshua Tree National Park. Little San Bernardino Mountains, east of Queen Mountain, near north entrance to park; basalt rocky slopes 946 Comment
  POM273443  Eriogonum davidsonii Thos. Craig, Frances Craig 1939-11 s.n. Riverside Aguanga. Comment
  UC6305  Eriogonum davidsonii H. M. Hall 1898-6-27 953 Riverside El Toro Mt. San Jacinto Mountains, El Toro Mt. 1828 Comment
  UCR122586  Eriogonum davidsonii George K. Helmkamp 1995-11-16 100 Riverside San Jacinto Mtns, Along Calif. Hwy 243, 0.25-0.50 mi south of Bay Tree Spring (about 0.9 mi north of Lake Fulmor) 1616 Comment
  UCSB37947  Eriogonum deflexum Mayers, Anna 1978-4-24 Riverside 4.5 km south of Palm Springs Araby Canyon, south of Araby Drive 215 Comment
  CAS-BOT-BC256127  Eriogonum deflexum var. deflexum Annie M. Alexander; Louise Kellogg 1941-5-28 2264 Riverside 2 miles east of Shaver Summit, Colorado Desert Comment
  JOTR34367  Eriogonum deflexum var. deflexum Andre, Jim 2012-4-16 20882 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 1 mile north of South Entrance 583 Comment
  UCR125220  Eriogonum fasciculatum Mitch Provance 1998-5-24 532 C Riverside Jurupa Mtns., Belltown area, 'Belltown Hill', small knoll near the E corner of Agua Mansa Rd. and Crestmore Rd./ Market St. 299 Comment
  UCR282150  Eriogonum fasciculatum R. E. Riefner Jr. 2017-5-17 17- 254 Riverside city of Elsinore, west of Hwy I-15, north side of Nichols Road, about mid-way between Collier Ave. and Nichols Road/Pierce Street junction 392 Comment
  UC1032055  Eriogonum fasciculatum var. foliolosum A. Lewis 1934-2-1 1 Riverside 3 1/2 mi w Auburndale; Corona Quadrangle Comment
  LA206795  Eriogonum fasciculatum var. polifolium Norman C. Cooper; 1944-4-8 1080 Riverside Andreas Canyon 304 Comment
  RSA543144  Eriogonum fasciculatum var. polifolium Steve Boyd 1991-3-17 5498 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  UC1032087  Eriogonum fasciculatum var. polifolium A. Lewis Mar 1933 176 B Riverside 1 1/2 mi n Temescal; Riverside Quadrangle 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
  CAS-BOT-BC257568  Eriogonum inflatum H. Walton Clark 1926-6-1 s.n. Riverside Indio Comment
  CAS-BOT-BC257582  Eriogonum inflatum G. B. Grant No date on label 6789 Riverside Palm Springs, Colorado Desert Comment
  UCSB1447  Eriogonum inflatum Van Leeuwen, Henry 1957-4-12 Riverside Whitewater Canyon; 1 mile from US 60 Comment
  POM2284  Eriogonum molestum H. M. Hall 1901-07 2386 Riverside San Jacinto Mountains, wooded slopes and benches of the south. 1616 Comment
  CAS-BOT-BC269778  Eriogonum nudum var. pauciflorum D. E. Breedlove 1961-8-4 937 Riverside Black Mtn Campground; NW side of Black Mtn, San Jacinto Mtns 2286 Comment
  JOTR16817  Eriogonum plumatella Hogan, J. 1974-6-27 75 Riverside Joshua Tree National Park. ABOUT 0.75 MILES EAST OF EUREKA PEAK 1584 Comment
  JEPS56475  Eriogonum pusillum W. L. Jepson 1927-4-11 11625 Riverside Whitewater Bridge 457 Comment
  JOTR33762  Eriogonum pusillum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2760 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Large sandy canyon with braided wash that feeds southwest into Wilson Canyon (Stop 7) 902 Comment
  CAS-BOT-BC268556  Eriogonum saxatile H. M. Hall 1901-7-1 2324 Riverside San Jacinto Mountains. Near Tauquitz [Tahquitz] 2590 Comment
  CAS-BOT-BC263523  Eriogonum thomasii John H. Thomas 1957-3-30 6549 Riverside 8.1 miles east of Cactus City, about 20 miles east of Coachella, Colorado Desert 426 Comment
  CAS-BOT-BC263542  Eriogonum thomasii Ira L. Wiggins 1937-3-9 8758 Riverside 5 miles west of Shaver's Well Comment
  HSC24856  Eriogonum thomasii James Henrickson 1971-4-2 5485 Riverside Hidden Oasis, 13 miles E of Palm Spring 183 Comment
  RSA340183  Eriogonum thomasii Robert F. Thorne, W. A. Tilforth 1980-5-28 54182 Riverside San Bernardino Mountains: Whitewater ridge above old bridge. Comment
  RSA395867  Eriogonum thomasii Steven A. Junak 1983-3-23 1635 Riverside East side of Jefferson Road, opposite entrance to Cahuilla Lake County Park, south of Indio. 0 Comment
  UCR136675  Eriogonum thomasii George B. Grant 1906-5-1 440 6741 Riverside Sonoran (Colorado) Desert, Palm Springs 244 Comment
  UCR251904  Eriogonum thomasii Jim Andre 2013-3-27 24828 Riverside NE Colorado Desert, Riverside Mountains, Agnes Wilson Rd. west of crossing of Colorado River, 0.8 mi east of Hwy 95, 12.4 mi south of Vidal Junction 115 Comment
  UCR275143  Eriogonum thomasii David Fraker, Aaron C. Sedgwick 2012-4-4 066 Riverside Sonoran (Colorado) Desert, south of Joshua Tree National Park, north of Hwy I-10 on powerline road, 0.5 mi west of Cottonwood Springs Road 522 Comment
  CAS-BOT-BC262873  Eriogonum thurberi S. B. Parish 1896-4-1 s.n. Riverside Palm Springs, Colorado Desert Comment
  UCR108472  Eriogonum thurberi A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16196 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, alluvial fan just east of the mouth of Whitewater Canyon between Windy Point & Hwy I-10, Coachella Valley 370 Comment
  POM48949  Eriogonum umbellatum subsp. munzii P. A. Munz, I. M. Johnston 1924-7-26 8722 a Riverside Saw Mill on Banning-Idyllwild Rd. 1707 Comment
  CLARK-A1528-3722  Eriogonum wrightii John C. Roos 1965-9-26 Riverside Palm Springs Station Comment
  SJSU13122  Eriogonum wrightii var. membranaceum C. W. Sharsmith 1945-8-28 5455 Riverside Indian Cr, Mt San Jacinto, San Jacinto Mts 1828 Comment
  UCR48496  Eriogonum wrightii var. membranaceum Steve Boyd 1985-12-24 1196 Riverside Gavilan Plateau, Gavilan Hills. south of Ida Leona Road 604 Comment
  JOTR29225  Eriogonum wrightii var. nodosum La Doux, Tasha, Mike Bell 2005-9-15 1333 Riverside Joshua Tree National Park. Near Hidden Valley campground Comment
  RSA289832  Eriogonum wrightii var. nodosum Barry A. Prigge 1980-8-25 4026 Riverside San Gorgornio Pass: 1 mi. SE of Fingal siding, S Pacific R.R. 451 Comment
  POM172018  Eriophyllum confertiflorum P. A. Munz 1930-5-1 11918 Riverside Dry Morongo Wash, Little San Bernardino Mts 183 Comment
  SD126657  Eriophyllum confertiflorum Ed LaRue 1989-4-25 Riverside 2 miles northwest of Lake Elsinore, adjacent to Cleveland National Forest at mouths of Rice and McVicker Canyons. 490 Comment
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Nov 17 2011
  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
  SDSU12855  Eriophyllum confertiflorum var. confertiflorum Janet M. Knotts, Jill Steinberg 1998-3-11 11 III1998C Riverside Ca. 1/4 mile along foot trail leading southeast from road, ca. 1/4 mile northeast of Santa Margarita (SDSU) Field Station, north of Santa Margarita River. 335 Comment
  UC1929660  Eriophyllum multicaule Scott D. White, Michael Honer 2003-6-17 9545 Riverside S PERRIS BASIN: Murrieta. Interstate 215 / Clinton Keith interchange. Comment
  RSA651095  Eriophyllum wallacei Harold Lint 1958-5-25 2038 Riverside East of Pinyon flats campground. Pines to Palms Hwy [Hwy 74]. Comment
  UC1118232  Eriophyllum wallacei H. S. Yates 1936-4-7 5427 Riverside near Whitewater; San Jacinto Quad. 304 Comment
  UCR178611  Eriophyllum wallacei Mitch Provance, Tracy Tennant 1998-6-16 MOR- 388 Riverside San Bernardino Mtns., Morongo Indian Reservation, 0.5 mi. north of junction of East Branch and Millard Canyon 1220 Comment
  UCR97023  Erodium botrys Scott D. White 1997-2-28 4713 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  SBBG133364  Erodium cicutarium S. D. White, J. M. Wood 2008-5-15 11969 Riverside Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom, San Jacinto Mtns 1357 Comment
  SEINET4557895  Erodium cicutarium Naomi Fraga, David Fraker, Tommy Stoughton 2012-1 3951 Riverside Mojave Desert; Southcentral Mojave Desert region: Off of Box Canyon Rd. S. of Shaver Well in wash 229 Comment
  UCR216951  Erodium macrophyllum Kim Sparks, Ana Hernandez 2010-4-8 07 Riverside Perris-Aguanga Basin, Gavilan Hills, 330m east of Cajalco Rd. and 55m south of dirt access road. 435 Comment
  UCR37442  Erodium macrophyllum Steve Boyd 1981-4-15 s.n. Riverside Gavilan Hills area, south of Lake Matthews Comment
  RSA703401  Erodium texanum LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Lee Worlow 2005-2-17 1453 Riverside Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  RSA0130727  Erodium texanum Glen Rink 2013-3-18 11877 Riverside About twelve miles west of Blythe, at the site of the proposed Quartzite solar power plant. 105 Comment
  JEPS53569  Erysimum capitatum var. capitatum Carl V. Meyer June 1927 170 Riverside Saunder's Meadow San Jacinto Mt Comment
  RSA0016061  Erythranthe breweri Naomi Fraga, Ilene Anderson, Mike Hamilton, Michael Wall, Gary Wallace 2006-9-7 1735 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  RSA0020089  Erythranthe floribunda LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6178 Riverside Logan Creek, north of the community of Pine Cove, and just west of road (5S09). 1799 Comment
  RSA0020243  Erythranthe floribunda Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade 2010-8-14 644 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA0018796  Erythranthe guttata N. C. Cooper 1944-5-21 1286 Riverside San Jacinto Mountains, West side 915 Comment
  RSA0019319  Erythranthe guttata Mary F. Spencer 1921-6-22 1671 Riverside Idyllwild. Comment
  RSA0020066  Erythranthe guttata H. K. Wagnon 1944-3-12 340 Riverside west fork of Eagle Canon stream, between Palm Springs and Cathedral City. Comment
  CAS-BOT-BC151589  Erythranthe parishii Louis B. Ziegler 1969-6-12 s.n. Riverside Hemet Valley, San Jacinto Mts. 1432 Comment
  RSA0014885  Erythranthe tilingii M. B. Dunkle 1933-7-22 3751 Riverside Tahquitz Valley. 2317 Comment
  SDSU18743  Eschscholzia californica C. Matt Guilliams 2008-2-13 452 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 410 Comment
  UCR152637  Eschscholzia californica A. C. Sanders 2005-4-22 29609 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR22132  Eschscholzia californica Steve Boyd 1980-5-3 175 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  POM158460  Eschscholzia californica var. peninsularis P. A. Munz 1927-5-21 10869 Riverside Coahuila. Comment
  CAS-BOT-BC83127  Eschscholzia minutiflora John H. Thomas 1957-3-30 6523 A Riverside 0.8 mile east of Cactus City, about 13 miles east of Coachella, near U.S. Highways 60 and 70. 518 Comment
  RSA796099  Eschscholzia minutiflora Duncan S. Bell 2009-4-20 303 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  SD73626  Eschscholzia minutiflora Helen V. Witham 1970-4-29 843 Riverside Along roadside, sandy wash, near Palm Desert. 99 Comment
  UC1595754  Eschscholzia minutiflora W. Wisura, J. Dolan, and M. Wall 1992-3-24 4630 Riverside 10.0 mi ne Mecca (on Box Canyon Rd.); Lowdesert Comment
  UCR51968  Eschscholzia minutiflora Steve Boyd, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross, S. Meury 1988-3-10 2116 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  UCSB3645  Eschscholzia minutiflora Van Leeuwen, Henry 1957-4-13 Riverside shoulder of Cal Hwy; about 10 miles west of US 60 Comment
  JOTR28955  Eschscholzia parishii La Doux, Tasha 2005-3-30 1191 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  UCR147669  Eschscholzia parishii Steve Boyd, Et al. 2004-5-14 11222 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
  UCSB3656  Eschscholzia parishii Atsatt, Pete 1958-3-22 Riverside 5.8 miles east of Desert Center; on highway 60 and 70 Comment
  UCSB8552  Eschscholzia parishii Walker, Clifford 1954-4-10 Riverside Mouth of White Water Canyon Comment
  SEINET5340034  Eschscholzia parishii N. H. Holmgren, P. K. Holmgren 1974-3-23 7466 Riverside Box Canyon Wash, 11.4 (9 airline) miles east-northeast of Mecca. 244 Comment
  UC403435  Escobaria vivipara var. alversonii Marcus E. Jones 1926-4 Riverside e Shaver's Well; Colorado Desert Comment
  SD244188  Eucalyptus A. C. Sanders, Timothy W. Chumley 2013-3-28 40710 Riverside Peninsular Range: Alberhill, along Lake Street, 1.45 km south of I-15, near old clay mines (Alberhill 7.5'Q) 395 Comment
  UCR140735  Eucalyptus camaldulensis A. C. Sanders 2004-5-12 27858 Riverside Elsinore Basin Region, Alberhill Mountain, northwest foot near Lake St. at Alberhill 378 Comment
  SDSU12862  Eucalyptus leucoxylon subsp. leucoxylon J. Jill Steinberg, Leon Steinberg 1998-4-5 40 Riverside Ca. 1/4 mile northwest entrance gate to Santa Magarita (SDSU) Field Station, just south of trail leading along northwesterly border of Station. 311 Comment
  CSUSB109  Eucrypta chrysanthemifolia K. S. Gill 1965-4-18 Riverside On UCR campus 243 Comment
  RSA496136  Eucrypta chrysanthemifolia Steve Boyd, Tim Ross, L. Arnseth 1989-3-19 3022 Riverside Vail Lake area,1 mile W of Lake 610 Comment
  RSA564284  Eucrypta chrysanthemifolia Ed LaRue 1993-5-11 s.n. Riverside Murrieta Oaks, 3 miles (airline) NW of Murrieta Hot Springs, W side oh Hwy 215. 457 Comment
  JEPS1708  Eucrypta chrysanthemifolia var. bipinnatifida Marjorie D. Clary 1614 Riverside 7 mi w Coachella; Colorado Desert, La Quinta Canyon 30 Comment
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Apr 4 2011
  SEINET2445417  Eucrypta chrysanthemifolia var. chrysanthemifolia Daphne K. Christopher, Hannah Stevens 2003-4-4 90 Riverside Uc Riverside, Motte Rimrock Reserve. Off Sage Rd. 530 Comment
  UC1929299  Eucrypta chrysanthemifolia var. chrysanthemifolia Scott D. White, Jamie Minor 2008-3-13 11769 Riverside San Gorgonio Pass; Banning- S of Union Pacific Railroad, powerline route from Sunset Ave. to 1 mile W. Comment
  POM13894  Eucrypta micrantha P. A. Munz, D. D. Keck 1920-4-9 4830 Riverside S base of Eagle Mtns. 213 Comment
  SEINET6060470  Euonymus occidentalis Scott D. White 1919-1-6 6946 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  CAS-BOT-BC202547  Euphorbia misella Edmund C. Jaeger 1921-4-2 53 Riverside Whitewater Bench, Colorado Desert Comment
  UCR26784  Euphorbia misera A. C. Sanders 1982-3-20 2441 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, S end of Whitewater bench, above a small dirt road to the top of the bench and overlooking I-10 Comment
  JEPS26605  Euphorbia palmeri Peter Kamb 1948-7-4 1166 Riverside Hall Canyon; San Jacinto Mts 1645 Comment
  RSA432446  Euphorbia palmeri M. B. Dunkle 1933-7-21 3719 Riverside Idyllwild 1616 Comment
  UC17652  Euphorbia palmeri H. M. Hall Jul 1901 2520 Riverside s side San Jacinto Mountains 1584 Comment
  UC56492  Eustoma exaltatum F. Gilman 1902-1 23 Riverside Palm Springs Comment
  UCR108345  Eustoma exaltatum L. C. Wheeler 1952-12-15 7025 Riverside Sonoran (Colorado) Desert, Riverside Mountains, shore of Alligator Slough of the Colorado River; [near] Mountaineer Mine, north of Johnson's Camp Comment
  POM320335  Euthamia occidentalis Patricia Wilder 1970-10-30 4827 Riverside Prado Flood Control Basin east of Prado Dam. East of Chino Hills, Santa Ana River Drainage Area 152 Comment
  RSA606143  Euthamia occidentalis L. C. Wheeler 1932-9-4 1318 Riverside Santa Ana River at Chino Creek. 183 Comment
  CAS-BOT-BC171040  Fagonia laevis Martha Hilend 1932-3-25 s.n. Riverside Chuckawalla mts., about 3 miles above Corn Springs, So. Calif. Comment
  JEPS43388  Fagonia laevis W. L. Jepson 1927-4-13 11685 Riverside ne of Mecca (mouth of Painted Canyon); Colorado Desert 45 Comment
  RSA278974  Fagonia laevis Barry A. Prigge, L. Martinez 1978-3-23 2428 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  UCR245241  Fagonia laevis Jim Andre 2012-3-19 21332 Riverside Sonoran (Colorado) Desert, north end of Chuckwalla Mountains at Jaeger Nature Sanctuary, 1.5 mi. south of junction Eagle Mt Rd and I-10 freeway 411 Comment
  HSC47598  Fagonia pachyacantha R. W. Spjut 1978-5-10 5033 Riverside Colorado Desert, N face of Chuckawalla Mtns., 2.7 mi. S of Desert Center. 335 Comment
  RSA391111  Fagonia pachyacantha W. Hutchinson 1926-3-1 s.n. Riverside Colorado Desert. Comment
  UCR137606  Festuca microstachys Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2276 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  UCR84607  Festuca myuros Scott D. White 1994-4-21 1956 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  UCR213600  Festuca octoflora A. C. Sanders, Matthew Malle 2010-4-23 37988 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR214900  Festuca octoflora A. C. Sanders 2010-3-23 37527 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mtns. 140 Comment
  SD194  Festuca perennis Fidella G. Woodcock 1928-4-27 Riverside Road to San Jacinto Comment
  UC2046889  Ficus microcarpa R. E. Riefner Jr. 2015-8-8 15 -220 Riverside City of Corona, S side of 91 Freeway ca. 120 ft. W of Lincoln St., N side of Corona del Rey Apartments. Comment
  RSA586503  Filago gallica D. L. Banks, S. D. Boyd 1995-5-9 0334 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  UC218021  Forestiera pubescens P. A. Munz and I. M. Johnston 1922-5-21 5511 Riverside 2 mi below Kenworthy; San Jacinto Mts., Hemet Valley 1402 Comment
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Mar 25 2011
  RSA668339  Fouquieria splendens C. R. Annable, Lee Barron 1995-3-11 2269 Riverside Cactus City rest stop on I-10. Comment
  SEINET4108735  Fouquieria splendens J. Redfern 2004-1 JT 5 Riverside Collected along Pinto Basin road north of Cottonwood Visitor Center in Joshua Tree National Park. 759 Comment
  JEPS46440  Fouquieria splendens subsp. splendens W. L. Jepson 1912-10-30 5251 Riverside Black Pt. Riverside Mts., Colorado River Comment
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Jun 8 2012
  UCR18543  Fragaria vesca subsp. californica A. C. Sanders 1978-6-11 583 Riverside San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  SD212712  Frangula californica T. B. Salvato 2004-5-27 597 Riverside Head of Banning (San Gorgonio River) Canyon .Bernardino County line, 0.5 mile Southeast of Oak Glen Conservation Camp. 1402 Comment
  CAS-BOT-BC211658  Frankenia salina Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore Comment
  UCR110915  Frankenia salina A. C. Sanders, K. C. Rose 1999-6-18 22821 Riverside Domenigoni Valley, upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, south of Winchester 433 Comment
  RSA783081  Frasera parryi J. D. Olmsted 1959-6-30 698 Riverside Drainage area to Strawberry Creek. 0.75 mi S of Fern Valley town and on west slopes below Lily Rock. 1707 Comment
  RSA501076  Fritillaria biflora Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-2 3194 Riverside Vail Lake Area, W end of bench on S flank of Oak Mountain. 548 Comment
  UCR79356  Fritillaria biflora Steve Boyd, T. S. Ross 1992-3-31 6769 Riverside Santa Ana Mtns, Elsinore Peak 1024 Comment
  CAS-BOT-BC520432  Fumaria officinalis O. F. Clarke 2004-3-13 s.n. Riverside Peninsular Range: Riverside: O.F. Clarke residence, 266 Frost Court, E edge of UCR campus 350 Comment
  RSA0123376  Funastrum cynanchoides var. hartwegii Duncan S. Bell, Thomas Stoughton 2016-4-14 9296 Riverside Santa Rosa Mountains; near the head of Deep Creek and near the trailhead of the Cactus Spring Trail, at an old mining area above this trail. 1219 Comment
  JOTR28931  Funastrum hirtellum La Doux, Tasha, Bill Truesdell, Erin Babich 2005-3-7 1167 Riverside Joshua Tree National Park. Eagle Mountains, southeast end near Pinto Wells 316 Comment
  RSA0106697  Funastrum hirtellum Duncan S. Bell, Thomas Stoughton 2010-3-19 566 Riverside Central section of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2.25 air miles west of Priest Well. 439 Comment
  RSA124443  Funastrum hirtellum P. C. Everett, E. K. Balls 1958-4-29 23029 Riverside in sunl sandy wash climbing on shrubs; Creosote Bush Scrub; 24.6 mi. ne. from Desert Center on road to RIve and Vital Jct. 488 Comment
  RSA718571  Funastrum hirtellum Michael Honer, L. Hulse 2004-4-3 1890 Riverside Nameless canyon appx. 1 mi. W of Pushawalla Cyn., leading up to MWD aqueduct. 488 Comment
  SD181719  Funastrum hirtellum Scott D. White 1999-4-20 7278 Riverside Southern foothills of the Big Maria Mountains, northwest of California Highway 95. 89 Comment
  SEINET10580699  Funastrum hirtellum Ivan Murray Johnston 1917-4-4 Johnston s.n. 1917 Riverside Palm Canyon Comment
  RSA0120004  Galium andrewsii Duncan S. Bell, Thomas Stoughton 2016-4-13 9257 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  SEINET11171281  Galium angustifolium H. M. Hall 1944-6-3 s.n. Riverside Riverside Comment
  JEPS56079  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4278 Riverside about 2 1/2 mi above lower end of road to Santa Rosa Peak Comment
  SBBG101767  Galium angustifolium subsp. angustifolium S. Boyd, T. Ross 1991-6-14 6404 Riverside Warm Springs Crk at the NE end of Hogbacks ridge, from Alamos Rd S to confluence with Adobe Spring tributary, 2-3 mi NW of Murrieta Hot Springs Comment
  UCR95234  Galium angustifolium subsp. gracillimum D. L. Banks, E. H. Banks 1996-5-2 0929 Riverside NW Palomar Mountains, Agua Tibia Mtns., NW foothills of Dorland Mtn, S end of Los Caballos Road, University of California-Emerson Oaks Reserve, c. 20 m inside the preserve boundary gate, 3 m east of the main road along an open field. 448 Comment
  RSA0063962  Galium angustifolium subsp. jacinticum J. M. Andre 2012-6-15 30513 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
  UC1929480  Galium angustifolium subsp. jacinticum Valerie Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1705 Riverside Peninsular Ranges; San Jacinto Mountains region; Slope above junction of Dark Canyon and Fuller Mill Creek. Comment
  POM367763  Galium aparine N. C. Cooper 1944-6-17 1376 Riverside San Jacinto Mtns. West side. 1372 Comment
  RSA615100  Galium aparine D. L. Banks 1997-3-29 1579 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
  RSA701506  Galium californicum subsp. primum Naomi S. Fraga, Sarah J. De Groot 2004-7-8 1301 Riverside On Chimney Flats Road (5S06) near intersection of 5S04 (the road to Alvin Meadows). 1524 Comment
  UC102542  Galium parishii A. W. Anthony 1895-7-12 Riverside San Jacinto Mountains 2529 Comment
  UCR277921  Galium porrigens Mitch Provance 2011-6-3 611- 01 Riverside Badlands of Western Riverside County, Mouth of San Timoteo Canyon, S side of Noble Creek, 0.75 miles W of Beaumont and I-10, 0.5 miles N of Potrero Blvd. and Hwy. 60. 756 Comment
  JEPS52943  Galium porrigens var. porrigens Lauramay T. Dempster and G. L. Stebbins 1966-6-17 4240 Riverside Poppet Flat San Jacinto Mts. (at Keyes Drive) 1097 Comment
  POM367814  Galium stellatum Christopher Davidson 1979-4-4 7727 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  JEPS24232  Galium stellatum var. eremicum Peter H. Raven 1958-5-18 12998 Riverside 4.9 mi ne Pinon Flats (along State Hwy 74); San Jacinto Mountains Comment
  LA208447  Galium stellatum var. eremicum H. L.; 1939-4-9 Riverside Indio -6 Comment
  RSA0104415  Garrya flavescens Duncan S. Bell 2015-2-6 7738 Riverside Santa Rosa Mountains; along Cactus Spring Trail, where the trail crosses Horsethief Creek. 1054 Comment
  CLARK-A1528-534  Garrya flavescens subsp. pallida C. M. Flanagan 1973-5-31 OO 643 Riverside Morongo Indian Reservation 975 Comment
  RSA788813  Gayophytum Robert F. Thorne, Walter Wisura 1977-9-17 50777 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  UCR39544  Gayophytum diffusum subsp. parviflorum A. C. Sanders 1980-8-21 1781 Riverside San Jacinto Mountains, Mt. San Jacinto Wilderness Area. east of Saddle Junction at the head of Tahquitz Creek, c. 2 mi NE of Idyllwild 2409 Comment
  CAS-BOT-BC303584  Geraea canescens Mrs. Robert Campbell 1921-11-26 5 Riverside Between Palm Springs and Indian Wells Comment
  JOTR35038  Geraea canescens La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3491 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road on south-facing bajada among sonoran desert riparian washes. Comment
  SD258882  Geraea canescens Sarah J. De Groot, Cheryl Sevilla 2016-3-16 7639 Riverside Mecca Hills: Meccacopia Trail just east of Shaver's Well. Eastern Mecca Hills, south edge of Shaver's Vally, just west of Orocopia Mountains, east of Box Canyon, eastnortheast of Mecca. 301 Comment
  SEINET10726153  Geraea canescens David B. Dunn 1946-2-23 Dunn 1962 Riverside Collected in mud flats dry and caked and split. All American Canal catch basin from desert washes. Orocopia Mts. northeast of the Salton Sea. Very arid country. Comment
  SD212640  Geranium A. C. Sanders, T. B. Salvato 2006-5-4 32246 Riverside UCR campus, weeds in botanical garden. 351 Comment
  RSA180450  Geranium dissectum E. W. Lathrop 1965-5-30 5783 Riverside 6 miles W of Murrieta. Comment
  RSA680565  Gilia Scott D. White, Michael Honer 2003-4-30 9130 Riverside Shavers Valley. About 1-2 miles south west of unnamed freeway exit at pumping station. 396 Comment
  UCR118397  Gilia A. C. Sanders 1994-5-29 14567 Riverside San Bernardino Mtns., lower Millard Canyon, at first stream crossing on Forest Service Road 2S05, near Bench Mark 2868 850 Comment
  RSA688862  Gilia angelensis Scott D. White, Michael Honer 2003-5-13 9240 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
  RSA785866  Gilia angelensis Doris Bowers 1972-4-15 1839 Riverside Pulgas Creek Canyon at Rancho Calif. 396 Comment
  SEINET1909895  Gilia capitata T. B. Salvato, John F. Green 2004-1 559 Riverside San Bernardino Mtns head of Banning (San Gorgonio River) Canyon close to the San Berardino Co. line, 1 mi. SE of Ok conservation Camp. (Forest Falls Q.) 1341 Comment
  UCR193894  Gilia capitata A. C. Sanders, Mitch Provance 2008-7-11 35797 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station 1475 Comment
  UCR26282  Gilia capitata subsp. abrotanifolia John C. Roos, L. Roos 1952-4-27 5585 Riverside San Timoteo Canyon, south of Redlands 427 Comment
  RSA777651  Gilia latifolia Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 773 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. 305 Comment
  UC69315  Gilia latifolia L. A. Greata Apr. 1905 Riverside Coachella Comment
  CAS-BOT-BC407619  Gilia ochroleuca subsp. exilis Herbert L. Mason 1926-4-30 3112 Riverside Temecula Canyon, 1 mile S of Temecula Comment
  UCR225680  Gilia ochroleuca subsp. exilis Steve Boyd, Valerie Soza 2004-6-22 11537 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
  RSA0016276  Gilia ochroleuca subsp. exilis I. W. Clokey, E. G. Anderson 1935-4-16 6831 Riverside East of Hemet. 600 Comment
  HSC17003  Gilia sinuata C. L. Hitchcock, C. V. Muhlick 1964-3-22 23254 Riverside Side canyon near S entrance to Joshua Tree National Monument. Comment
  CAS-BOT-BC123828  Gilia splendens subsp. australis Herbert Louis Mason 1926-5-2 3195 Riverside Temecula Valley Comment
  RSA469738  Gilia stellata Christopher Davidson 1973-4-1 1836 Riverside Palm Springs. 488 Comment
  RSA797510  Gilia stellata C. P. Cowan 1978-4-23 1176 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. 570 Comment
  SEINET3217332 Image available Gilia stellata T. B. Salvato 2010-4-20 4054 Riverside Sonoran (Colorado) Desert; alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe. (McCoy Peak 7.5 Q.) 183 Comment
  UCR245889  Gilia stellata R. F. Thorne 1995-3-29 63022 Riverside Transverse Range; San Bernardino Mtns., Whitewater Canyon 600 Comment
  RSA508001  Githopsis diffusa Steve Boyd, C. Boyd, K. A. Boyd, R. Noyes, L. Arnseth 1988-5-28 2307 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  UCR2448  Glyceria elata F. M. Reed 1908-7-13 2479 Riverside San Jacinto Mtns, N margin of meadow in Tahquitz Valley 2439 Comment
  POM1630  Glycyrrhiza lepidota Crawford, Johnston 1917-6-9 1228 Riverside Santa Ana River Comment
  UCR92083  Gnaphalium luteoalbum Scott D. White, S. Ogg 1994-10-17 2464 .1 Riverside Temecula Valley, Murrieta Creek at Winchester Road bridge (Banana Avenue) 317 Comment
  POM48738  Gnaphalium palustre P. A. Munz, I. M. Johnston 1924-7-29 8821 Riverside 5 miles SE of Poppet Flat, San Jacinto Mtns. 1372 Comment
  UCR34922  Gnaphalium stramineum L. B. Ziegler 1967-8-2 203 Riverside Peninsular Ranges, San Jacinto Mtns., upper Herkey Creek area 1524 Comment
  POM118628  Guillenia lasiophylla Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  CLARK-A1528-1861  Gutierrezia bracteata John C. Roos 1965-6-21 Riverside Comment
  POM359188  Gutierrezia californica Anstruther Davidson 1893-4-12 s.n. Riverside Palm Springs. Comment
  RSA0094904  Gutierrezia californica A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-20 41738 Riverside Temesal Canyon, open area on south side of I-15, between Horse Thief Canyon Road and Hostettler Rd. 396 Comment
  RSA678115  Gutierrezia californica Valerie L. Soza, S. D. Boyd, Neil Gilbert 2000-12-6 1061 -b Riverside Bautista Canyon, Bautista Canyon Road. 915 Comment
  RSA0121079  Gutierrezia microcephala Sherwin Carlquist 1958-10-12 630 Riverside Riverside - San Bdo. co. line. Comment
  RSA318860  Gutierrezia sarothrae M. A. Lane 1982-10-13 s.n Riverside 34.5 km/21.6 miles E of Kern Cam summit of the San Jacinto Mtns on Hwy 74. 1220 Comment
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Jul 14 2013
  CLARK-A1656-785  Haplopappus linearifolius Lois Ann Scott 1978-4-11 Riverside San Gorgonio Pass Comment
  RSA0066602  Harpagonella palmeri Steve Boyd 1992-4-18 6901 Riverside Paloma Valley, between Sun City and Murrieta, E of Hwy I-215. Rolling Hills just SW of Jtn Briggs Rd and Scott Rd. Comment
  RSA0066608  Harpagonella palmeri Steve Boyd, Laurel Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4605 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  RSA0066624  Harpagonella palmeri Steve Boyd 1986-4-10 1644 Riverside Temescal Canyon: Along DePalma Rd between Indian Truck Trail and Horsethief Canyon. 1 mi. E of Indian Truck Trail. Comment
  OBI82172  Hedypnois cretica A. C. Sanders 2014-4-8 40982 Riverside Peninsular Range: Temescal Canyon, along Temescal Canyon Rd. c. 0.5 km NW of El Hermano Rd., c. 0.8 km SE of I-15 crossing 315 Comment
  CAS-BOT-BC211540  Helianthemum scoparium John Thomas Howell 1931-5-30 6599 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  RSA511060  Helianthemum scoparium var. scoparium Ed LaRue 1989-6-14 s.n. Riverside E edge of Plateau overlooking town of Murrieta; ca 1.25 mi W of town and ca 1 mi (airline) E of De Luz Road 549 Comment
  RSA502917  Helianthus annuus subsp. lenticularis Ed LaRue 1989-4-7 s.n. Riverside Woodcrest area: 1/2 mile NE of the intersection of Van Buren Blvd & Mockingbird Canyon Road. 365 Comment
  RSA0012944  Helianthus californicus C. W. Tilforth, John Dourley 1970-9-2 306 Riverside Along road to Santa Rosa Mountain. Comment
  RSA741261  Helianthus gracilentus Scott D. White, Justin M. Wood 2008-7-10 12458 Riverside San Jacinto Mountains: Fobes Spring 1500 Comment
  SDSU14076  Heliotropium curassavicum Joel Tracey 2002-4-20 9 Riverside Santa Margarita Ecological Reserve, 0.1 mile east from parking area intersecting Santa Margarita River and Northside Field Station road, rock wall 20 feet north of river. 253 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
  UCR139635  Heliotropium curassavicum A. C. Sanders 2004-6-30 28404 Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  RSA413248  Heliotropium curassavicum var. oculatum James C. Dice, J. DeWald 1987-10-5 735 Riverside Santa Margarita River, near aqueduct crossing. 245 Comment
  RSA674548  Hemizonia fasciculata Scott D. White 2000-5-1 7753 Riverside Corona: Western foothills of Santa Ana Mountains near Bedford Canyon. 351 Comment
  POM5967  Hemizonia kelloggii Jenkins, Street s.n. Riverside Hemet Comment
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Feb 3 2013
  CLARK-A1528-239  Hemizonia laevis Fred B. Essig 1967-6-20 Riverside Riverside Comment
  RSA0001298  Hemizonia paniculata S. B. Parish, Parish 1882-06 1419 Riverside Near Temecula Comment
  UCR181627  Hemizonia paniculata Mitch Provance 2003-6-7 7606 Riverside San Bernardino Valley, Jurupa Mountains (extreme northwest end), near Philadelphia Street 262 Comment
  SEINET7012370  Hemizonia paniculata Wanda P. Vestal, A. G. Vestal 1955-4-21 153057 Riverside At base of Gavilan Hills, west of Perris. 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
  UCR90751  Hesperocnide tenella Scott D. White 1995-4-5 2754 Riverside Perris Valley, Lakeview Mountains; SW of Juniper Flat Road 579 Comment
  RSA741075  Heterocodon rariflorum Scott D. White, Justin M. Wood 2008-6-17 12154 Riverside San Jacinto Mountains: South of Hwy 79 near Keen Camp Summit. 1402 Comment
  SD193037  Heterotheca grandiflora Scott D. White, Angelia Carey 2004-6-4 10469 Riverside San Jacinto Mountain foothills: Indian Creek watershed, above confluence with San Jacinto River. Uplands around former homestead area, southeast of creek. 579 Comment
  UC481026  Heterotheca grandiflora R. L. Pendleton 1905-9-25 245 Riverside Terraces Ranch Riverside 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
  UC64041 Image available Heuchera hirsutissima H. M. Hall 1901-7-1 2412 Riverside San Jacinto Mountains; ; San Jacinto Mts. Comment
  RSA432778  Hibiscus denudatus E. C. Jaeger 1922-3-29 730 Riverside Murray Canyon, Colorado Desert Comment
  UCD89927  Hilaria rigida William H. Brooks 24-25 Feb 1989 s.n. Riverside McCoy Wash, north of Blythe. 579 Comment
  SD137829  Hirschfeldia incana Darin L. Banks, Steve Boyd 1995-5-3 198 Riverside Agua Tibia Mountains Watershed; North slope of Agua Tibia Mountains, east of the Dripping Springs Alcove Area, along the lower alluvia benche 505 Comment
  RSA405281  Hoffmannseggia glauca Geo Cantwell 1935-4-8 s.n Riverside McCoy Springs, McCoy Mnts. [NW of Blythe] Comment
  CAS-BOT-BC206103  Hoffmannseggia microphylla John Thomas Howell 1928-1-30 3307 Riverside 2 miles e. of Shaver's Well, Colorado Desert Comment
  CAS-BOT-BC207557  Hoffmannseggia microphylla H. M. Hall 1905-4-1 5779 Riverside 10 miles west of Coachella 91 Comment
  RSA0118593  Hoffmannseggia microphylla Sarah J. J. De Groot, Cheryl Sevilla 2016-3-16 7648 Riverside Mecca Hills, side road MC 093 from Little Box Canyon Road. Side canyon forking north from Little Box Canyon, east of Box Canyon. East side of Mecca Hills, east-northeast of Mecca. 281 Comment
  SJSU5169  Hoffmannseggia microphylla L. M. Stotelmyre 1970-3-25 70 Riverside 8 km E of Indio Comment
  RSA674921  Hoita macrostachya Scott D. White, P. De Vries 2000-4-25 7734 Riverside Temescal Valley: Corona area, eastern foothills of Santa Ana Mountains just above citrus groves. 412 Comment
  SD152846  Hoita macrostachya Steve Boyd, Timm Ross, Dave Bramlet 1992-9-9 7669 Riverside Southern Santa Ana Mts, San Mateo Canyon Wilderness Area, upper San Mateo Cyn from junction of Tenaja Rd (7S01) & Los Alamos Rd (7S04) at confluence of Los Alamos Creek up the San Mateo Trail N to Potrero de la Cienega, about stream, top of Tenaja Falls 395 Comment
  CAS-BOT-BC285038  Hordeum depressum Steve Boyd; Tim Ross 1992-5-4 7176 A Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero 731 Comment
  SEINET251660 Image available Hordeum depressum A. C. Sanders 2004-5-12 27877 Riverside elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek (Lake Elsinore 7.5 Q.:) 378 Comment
  UCD85628  Hordeum depressum A. C. Sanders; Carolyn Washburn 2001-5-10 24248 Riverside Perris-Aguanga Basin. San Jacinto River Valley. S side of intersection of Sanderson Ave. and Ramona Blvd., ca. 4 miles NW of San Jacinto. 445 Comment
  RSA668671  Hordeum murinum subsp. leporinum Steve Boyd 2001-4-12 10418 Riverside 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 Tera Cotta. Comment
  UCD106069  Hosackia crassifolia C. V. Meyer 1927-6-1 182 Riverside Saundere Meadow, San Jacinto Mts. 1737 Comment
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Feb 9 2013
  JEPS30449  Hulsea vestita Donald W. Kyhos 1958-5-16 58 -187 Riverside 2.5 mi w Aguanga turnoff (Palms-to-Pines Highway); San Jacinto Mountains Comment
  CAS-BOT-BC312580  Hulsea vestita subsp. callicarpha Winifern W. Swarth 1914-9-15 s.n. Riverside Slope south of Round Valley, San Jacinto Mts. 2590 Comment
  SD139749  Hulsea vestita subsp. callicarpha Darley F. Howe 1941-6-9 1281 Riverside San Jacinto Mountains Comment
  SD51949  Hulsea vestita subsp. callicarpha Reid Moran 1962-7-7 9870 Riverside Strawberry Creek, 2 miles southwest of Idyllwild, San Jacinto Mountains 1550 Comment
  POM13147  Hydrocotyle ranunculoides P. A. Munz, I. M. Johnston 1922-5-19 5429 Riverside Hemet Valley, San Jacinto Mountains. 1402 Comment
  POM147594  Hymenoclea salsola Marcus E. Jones 1927-4-16 s.n. Riverside Cottonwood Spring, near Shaver's Well, Colorado Desert Comment
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Oct 9 2010
  UCR166854  Hymenoclea salsola Chet McGaugh 2005-1-27 s.n. Riverside Sonoran (Colorado) Desert, E of Salton Sea, along Coachella Canal between siphons 26-27 NE of Dos Palmas Spring 24 Comment
  RSA180321  Hypochaeris glabra E. W. Lathrop 1965-4-25 5672 Riverside 4 miles southwest of Murrieta on the De Luz Road. Comment
  UCR84783  Hypochaeris glabra Scott D. White, Steve Ogg 1994-4-21 1984 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  RSA420163  Hyptis emoryi Robert Gustafson 1981-4-7 s.n. Riverside Salt Creek Wash, southern end of the Orocopia Mts. 91 Comment
  RSA420166  Hyptis emoryi Albert J. Perkins 1916-4-17 s.n. Riverside Near Andreas Canyon. Comment
  RSA420170  Hyptis emoryi N. C. Cooper 1942-3-1 s.n. Riverside Between Indio and Palm Springs. Comment
  RSA721883  Hyptis emoryi J. Mark Porter, Orlando Mistretta 2003-6-5 13624 Riverside Chocolate Mountains. Chocolate Mountain Bombing and Gunnery Range.Unnamed canyon, S of Salt Creek, accessed via Siphon 21 of the Coachella Canal; fork running southeast. 412 Comment
  RSA0013879  Ibicella lutea H. Baer 1922-7-18 s.n. Riverside Near Lake Elsinore. Comment
  JEPS30089  Isocoma acradenia var. eremophila Lewis S. Rose 1961-11-23 61062 Riverside La Quinta 15 Comment
  OBI74760  Isocoma acradenia var. eremophila Scott D. White 2006-3-29 11277 Riverside Colorado Desert: Eastern Coachella Valley a few mi E of Indio. Proposed I-10 fwy/McMaughton pkwy interchange, N of I-10 fwy Comment
  RSA775089  Isocoma acradenia var. eremophila Duncan S. Bell, Amber Swanson 2011-2-18 2041 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
  UC494686  Isocoma acradenia var. eremophila P. A. Munz 1932-10-16 12849 Riverside Whitewater Creek Colorado Desert, Whitewater Creek 152 Comment
  UCR281878  Isocoma menziesii Mitch Provance 2012-11-9 1112- 18 Riverside San Bernardino Valley, Santa Ana River Bottom, vicinity of Tequesquite Creek, area W of the N end of Rudidoux Ave. and Old Ranch Rd. 229 Comment
  RSA655226  Isocoma menziesii var. menziesii Scott D. White 1999-10-7 7623 Riverside Menifee / Sun City Area: South of McColl Ave. and east of I-215 freeway. 442 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
  RSA606519  Isoetes howellii Jon E. Keeley 1985-4-18 7926 Riverside Main pool near road, Mesa de Colorado, Santa Rosa Plateau. Santa Ana Mountains 675 Comment
  UCR281225  Juglans hindsii Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-28 317- 57 Riverside Temescal Valley, Southern foot of the Gavilan Hills, Temescal Wash, N side of Temescal Canyon Road, along 'Zeigler's Rd. 360 Comment
  CAS-BOT-BC110070  Juncus acutus W. R. Dudley 1903-12-29 612 Riverside Palm Gulch - Palm Springs. Comment
  UC483328  Juncus acutus subsp. leopoldii W. R. Dudley 1894-8-20 Riverside 6 mi e Indio (near Palm Grove) Comment
  SD146109  Juncus bufonius A. C. Sanders, K. C. Rose 1999-6-18 22825 Riverside Domenigoni Valley, upper Warm Springs Creek, between Highway 79 (Winchesrwe Road) and Scott Road, Domenigoni Ranch, south of Winchester; winchester 7.5' quad. In mud along drying creek margins among dense herbs, between old fields. 433 Comment
  UCR266499  Juncus bufonius Mitch Provance, Matt Amalong 2015-4-6 415- 15 Riverside Temecula/Murrieta Region, About 0.5 mile SW of Winchester, along Leon Rd., near its SW corner with Domenigoni Parkway 444 Comment
  CAS-BOT-BC21103  Juncus bufonius var. bufonius James R. Shevock 1975-4-28 4246 Riverside South Coast Ranges. Mesa De Burro, Santa Rosa Plateau. 609 Comment
  RSA500566  Juncus bufonius var. occidentalis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3603 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  RSA609508  Juncus bufonius var. occidentalis L. C. Wheeler 1974-6-8 s.n. Riverside San Jacinto Mountains: 1/4 mile NW Toolbox Spring, Thomas Mountain. 1828 Comment
  UCD141501  Juncus effusus subsp. austrocalifornicus Louis C. Wheeler 1931-10-3 189 Riverside Strawberry Valley, San Jacinto Mountains. 1584 Comment
  UC1532810  Juncus luciensis Robert F. Thorne and Earl Lathrop 1975-5-20 45498 Riverside Mesa de Burro Santa Rosa Plateau, Rancho California 609 Comment
  UCR24957  Juncus macrandrus A. C. Sanders 1980-8-21 1784 Riverside San Jacinto Mountains, Mt. San Jacinto Wilderness Area. east of Saddle Junction at the head of Tahquitz Creek, c. 2 mi NE of Idyllwild 2409 Comment
  UCR193963  Juncus macrophyllus A. C. Sanders 2008-7-25 35885 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  RSA500570  Juncus macrophyllus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3562 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  UC1601796  Juncus mexicanus H. M. Hall Jul 1901 2249 Riverside Fuller's Mills San Jacinto Mountains 1767 Comment
  UCR193370  Juncus oxymeris A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35636 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  UC489197  Juncus rugulosus C. V. Meyer 1928-7-30 595 Riverside Saunders Meadow 1676 Comment
  JOTR35137  Juncus tiehmii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3248 Riverside Joshua Tree National Park. West of Queen Mountain, Wonderland of Rocks; Active, bouldery wash with sandy bottom and large granite outcrops (Stop 3) 1294 Comment
  RSA593992  Juncus xiphioides Darin L. Banks, Elizabeth Hedge Banks 1996-5-2 948 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
  LA6549  Juniperus californica Harlan Lewis; 1939-10-22 1039 Riverside Santa Rosa Mountains, Pinyon Flats, Pines to Palms Highway 1219 Comment
  UC1212184  Juniperus californica H. E. and S. T. Parks 1940-2-1 24176 Riverside Palms to Pines Hwy Santa Rosa Canyon 1066 Comment
  CHSC90  Justicia californica V. Holt 1935-4-1 Riverside Near Palm Springs. 304 Comment
  RSA402292  Justicia californica P. J. Remple 1942-3-1 s.n. Riverside Between Indio and Palm Springs Comment
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Nov 5 2011
  SFV8413  Justicia californica G. L. Webster, W. R. Hildreth 1966-12-10 7461 Riverside Mojave Desert Joshua Tree National Monument, upper part of Cottonwood Canyon, gravelly desert wash. 793 Comment
  UC1007183  Justicia californica Philip A. Munz 1940-3-24 15692 Riverside 3 mi. s. Cottonwood Springs; Eagle Mts. 457 Comment
  UC888147  Justicia californica Ivan Johnston Apr 4 1917-Apr 6 1917 Riverside near Palm Springs Palm Springs Comment
  UCR120689  Justicia californica Helen Kennedy, T. B. Salvato 2002-2-2 5453 Riverside Western Colorado Desert/ San Jacinto Mtns, Coachella Valley, Agua Caliente Indian Reservation, mouth of Andreas Canyon at Palm Canyon, S edge of Palm Springs between Andreas Cyn. Rd. and water tank on W edge of sec. 2 244 Comment
  UCR233155A  Justicia californica Jim Andre, Glenn L. Clifton 2011-2-22 17456 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  SDSU10660  Keckiella antirrhinoides Gerald Collier 1951-5-27 Riverside About 4 miles E of Pinon Flats State Hwy 74, San Jacinto Mtns. Comment
  UCSB40587  Keckiella antirrhinoides Hendon, E. 1980-5-23 Riverside Along old Banning- Idyllwild Rd; 4 miles east of junction with Hwy. 243 Comment
  UCSB7012  Keckiella antirrhinoides Lloyd, Robert 1959-4-17 Riverside Mt. Range Santa Ana; 3 miles south of West Corona; on the Oak Flat Fire Road 335 Comment
  SEINET7072839  Keckiella antirrhinoides subsp. antirrhinoides A. G. Vestal 1963-5-19 s.n. Riverside About 0.5 mile west of Cahuilla. Coordinate datum: WGS84/NAD83. (33? deg. 32' 25" North Latitude, -116? deg. 45' 8" West Longitude, Coordinate datum: NAD27.). Comment
  NY786536  Keckiella antirrhinoides var. antirrhinoides F. W. Pennell 1940-4-27 25273 Riverside 5 miles south of Winchester 457.2 Comment
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Mar 20 2011
  UC1518630  Keckiella antirrhinoides var. antirrhinoides Robert F. Thorne, Drs. Fosberg, Sachet, and Herbst 1983-4-23 55474 Riverside ca 3.3 mi n Whitewater Post Office (side-canyon on w side of Whitewater Canyon); San Bernardino Mts., Whitewater Canyon 594 Comment
  UCR463  Keckiella antirrhinoides var. antirrhinoides Eugene Cardiff, Ken Smith 1954-4-5 s.n. Riverside Upper Santa Ana River/San Bernardino Valley, Jurupa Mountains, northwest of Riverside 671 Comment
  CAS-BOT-BC235772  Keckiella cordifolia G. K. Helmkamp; E. A. Helmkamp 1998-8-17 4444 Riverside Santa Ana Mtns.: San Juan Cyn along the Ortega Hwy (Ca-74) beside the Orange Co. line 503 Comment
  LA209268  Keckiella cordifolia W. E. Pequegnat; 1937-8-11 sn Riverside Santa Ana Mountains, 0.25 mi above Bear Springs 1402 Comment
  RSA450072  Keckiella cordifolia J. C. Roos, L. Roos 1952-6-24 5786 Riverside In the hills west of Beaumont. Comment
  RSA681038  Kochia scoparia Scott D. White 2003-6-9 8602 Riverside Northeast corner of Devonshire Ave. and Warren Rd., immediately south of Tres Cerritos. 473 Comment
  VVC2011  Koeberlinia spinosa var. tenuispina Katey Palmer, Patty Kermoian 2010-4-9 s.n. Riverside Colorado Desert, 6 miles north of Desert Center 201 Comment
  CLARK-A1528-4699  Koeleria macrantha John C. Roos 1952-4-29 5598 Riverside Reche Canyon 457 Comment
  RSA403467  Koeleria macrantha M. B. Dunkle 1933-7-21 3721 Riverside Idyllwild 1616 Comment
  RSA674943  Koeleria macrantha Scott D. White, Sandy Leatherman 2000-5-31 7977 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  UCD86078  Koeleria macrantha F. M. Reed 1907-5-5 1338 Riverside north side of Hill in Fairmont Park. Comment
  SEINET3151183  Krameria canescens S. B. Parish 1907-4-23 6109 Riverside Western border of the Colorado desert 150 Comment
  POM301793  Krameria erecta J. Cole 1942-5-19 968 Riverside White Tanks Area, Joshua Tree National Monument. 61 Comment
  RSA506754  Krameria grayi D. F. Howe 1980-4-15 s.n. Riverside 5 miles W of Mesa Verde, South slope o McCoy Mtns, Hwy 10. Comment
  UCR17305  Krameria grayi K. Stolte 1978-5-25 s.n. Riverside Sonoran (Colorado) Desert, south side Hwy 111, at Windy Point; c. 5 mi. west of Palm Springs, Coachella Valley 300 Comment
  CAS-BOT-BC272427  Lamarckia aurea C. L. Hitchcock; C. V. Muhlick 1964-3-17 23114 Riverside 10 mi. N. of Pala along road to Elsinore Comment
  SD45175  Langloisia setosissima subsp. punctata Helen K. Sharsmith 1952-4-8 4053 Riverside Pinto Mountains near Meek Mine and ca. 2.5 miles beyond Mission Well. 579 Comment
  RSA652650  Larrea tridentata Glenda Long 1981-5-17 38 Riverside Junction of Highway 78 and Walters camp Road, south of Palo Verde. Comment
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Sep 11 2011
  SEINET2065363 Image available Larrea tridentata C. Francis Shutts 1949-3-28 119 Riverside Palms to Pine Hwy, Cal 74, 14 miles SE of Palm Springs, Salton Sea drainage 152 Comment
  UCR251960  Larrea tridentata Max Brodie 2014-4-6 04 Riverside San Bernardini Mtns./Sonoran (Colorado) Desert, Whitewater Canyon off Whitewater Canyon Rd., along Whitewater River near town of Bonnie Bell, c. 2 miles north of Hwy I-10 488 Comment
  UCR262463  Larrea tridentata A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41499 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
  RSA594128  Lastarriaea coriacea D. L. Banks, Victor W. Steinmann 1996-4-20 0907 B Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along trail to the W, approx. 50 m S of the gate to the Reserve. 451 Comment
  RSA610612  Lastarriaea coriacea R. S. Woglum 1938-5-1 1605 B Riverside Peninsular Ranges: South of Hemet; San Jacinto Valley west of San Jacinto Mountains. Comment
  CAS-BOT-BC338935  Lasthenia californica John H. Thomas 1957-3-29 6520 Riverside Between Banning and Cabazon, about 2 miles east of Banning near railroad tracks 609 Comment
  SEINET2053253 Image available Lasthenia coronaria Don Mitchell 1990-4-30 Riverside W side of Sage Road, ca. 1/2 mi. S of intersection with Wilson Valley Road. Sage 7.5' quad. 701 Comment
  UCR140443  Lasthenia coronaria A. C. Sanders 2004-4-9 27453 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  UCR91424  Lasthenia coronaria Scott D. White 1995-3-30 2657 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  HSC5141  Lasthenia gracilis R. A. Eagle 1963-4-8 9 Riverside San Jacinto Mtns.; Idyllwild-Banning Rd. Comment
  POM305810  Lasthenia gracilis Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1049 Riverside Corona-Elsinore. Comment
  POM5999A  Lasthenia gracilis C. F. Baker 1904-4-4 4086 Riverside Elsinore. Comment
  RSA524446  Lasthenia gracilis Steve Boyd, Tim Ross, L. Arnseth, J. Bonilla 1990-4-3 4082 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  UCR162415  Lasthenia gracilis S. J. Myers, Chet McGaugh 2003-4-7 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1098 Comment
  UCR16886  Lasthenia gracilis J. Texera 1970-4-30 15 Riverside San Jacinto Mtns, 1 mi above Lake Hemet, just off Hwy 74 1341 Comment
  UCR213484  Lasthenia gracilis A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37819 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi. NW (356 deg. ) of intersection of I-15 and Lake St. 549 Comment
  UCR135715  Lathyrus vestitus Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9015 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  RSA535474  Lathyrus vestitus subsp. laetiflorus Steve Boyd, T. S. Ross, Orlando Mistretta 1992-2-2 6648 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Upper San Mateo Canyon between confluence of Tenaja Canyon and Los Alamos Canyon Comment
  UCD106531  Lathyrus vestitus var. alefeldii C. V. Meyer 1929-6-1 168 Riverside San Jacinto Mountains. 1676 Comment
  UC864430  Lathyrus vestitus var. vestitus P. A. Munz and I. M. Johnston 1922-5-19 5397 Riverside San Jacinto Canyon 1371 Comment
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Oct 1 2011
  UC62898  Layia glandulosa H. M. Hall 1902-4-22 2952 Riverside vicinity of Riverside 304 Comment
  UCR16860  Layia platyglossa Heidi A. Haid 1964-5-10 64510- 08 Riverside Peninsular Range; San Jacinto Mtns., about 2 miles east of Idyllwild junction [Mountain Center?] on Hwy 74 'Hemet Meadow 1372 Comment
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Jan 8 2013
  POM361707  Layia platyglossa subsp. campestris M. V. Hood 1945-3-25 s.n Riverside Aguanga 610 Comment
  RSA741224  Layia ziegleri Scott D. White, Justin M. Wood 2008-5-15 11985 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  RSA769644  Layia ziegleri Duncan S. Bell, Valentin Arvizu 2010-5-10 978 Riverside San Bernardino National Forest: Garner Valley, approximately 1.1 air mile southeast of junction of forest service road 6S13 and forest service road 6S04. 1349 Comment
  RSA0089288  Lemna minor David E. Bramlet 2005-7-13 3897 Riverside Perris-Aguanga Basin Region; San Jacinto Valley: San Jacinto Wildlife Area, east of old San jacinto River channel. 433 Comment
  UCR76170  Lepidium dictyotum var. dictyotum A. C. Sanders 1993-4-1 13669 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
  SD21524  Lepidium fremontii Frank F. Gander 1938-5-21 5767 Riverside Shaver's Summit Comment
  POM13889  Lepidium lasiocarpum P. A. Munz, D. D. Keck 1922-4-9 4821 Riverside Colorado Desert: so. base of Eagle Mtns. 3 mi. no. east of the Hayfields. Comment
  UC1007186  Lepidium lasiocarpum var. lasiocarpum Philip A. Munz 1940-3-23 15687 Riverside n of Pinto Basin (n Riverside County); Mohave Desert 609 Comment
  UC573614  Lepidium lasiocarpum var. lasiocarpum H. S. Yates 1937-3-23 6426 Riverside near Thermal; Thermal Quad. 30 Comment
  RSA621642  Lepidium latipes var. latipes R. E. Riefner 1998-3-22 98 -193 Riverside Lake Elsinore. Elsinore Trough between Willard and Murrieta Creek. Comment
  UCR251304  Lepidium nitidum T. B. Salvato, Matthew Malle 2014-4-8 7829 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills, above an old horse track, c. 0.2 mi north of the junction of Temescal Canyon Road and Concordia Ranch Road 377 Comment
  UCR49237  Lepidium nitidum Steve Boyd 1986-4-2 1621 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR241104  Lepidium virginicum var. robinsonii A. C. Sanders, Timothy W. Chumley 2013-4-2 40741 Riverside Peninsular Range, Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd., near I-15 Fwy, SE of Corona (Lee) Lake 377 Comment
  RSA697079  Lepidospartum squamatum J. R. Bruff 1927-11-24 4 Riverside Whitewater. Comment
  UC527693  Lepidospartum squamatum C. B. Wolf 1931-10-14 2462 -A Riverside roadside at Cabezon; San Gregorio Pass 518 Comment
  CAS-BOT-BC274020  Leptochloa fusca subsp. uninervia E. A. McGregor 1917-3-19 797 Riverside Colorado Desert. Indio Sands Comment
  RSA289861  Leptochloa fusca subsp. uninervia B. A. Prigge 1980-12-15 4116 Riverside Whitewater Marsh: 4 miles S of Mecca., Near 33 deg 30'N; 116 deg 4'W. -70 Comment
  CLARK-A1528-4712  Leptochloa uninervia John C. Roos 1965-9-5 Riverside Blythe Comment
  RSA0095144  Leptosiphon floribundus subsp. glaber Scott D. White, Tasha La Doux 2000-4-20 7702 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  RSA356650  Leptosiphon liniflorus R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47303 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro: E side of Mesa 609 Comment
  SJSU8710  Leptosiphon nuttallii J. W. Tofflemire 1957-4-18 Riverside 5 mi up Baurista Canyon Rd SE of Hemet 1219 Comment
  RSA736986  Lesquerella tenella J. Andre, T. La Doux 2008-3-21 8831 Riverside JTNP: Pinkham Exit dirt road, at Cottonwood Visitor s Ctr, just N. of Cottonwood Cyn. 939 Comment
  UCR23837  Lessingia filaginifolia John C. Roos 1965-8-19 s.n. Riverside San Bernardino/San Jacinto Mtns, Beaumont Comment
  CAS-BOT-BC451633  Lilaea scilloides Robert F. Thorne 1974-5-23 44677 Riverside Santa Rosa Plateau, Rancho California: at N base of Mesa de Colorado 609 Comment
  IRVC17940  Lilaea scilloides Karlin G. Marsh, Gordon A. Marsh 1980-5-18 s.n. Riverside Santa Ana Mountains, Santa Roa Plateau, pool #1. Comment
  RSA286795  Lilaea scilloides Robert F. Thorne 1974-5-23 44658 Riverside Santa Rosa Plateau, Rancho California: near junction of Teneja Road and road to ranch headquarters 610 Comment
  UCR241499  Lilium humboldtii Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 222 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  POM8112  Lilium parryi Mary F. Spencer 1919-7-4 1235 Riverside San Jacinto Mt., [San Jacinto Mountains]. 1220 Comment
  UC63838  Lilium parryi H. M. Hall 1898-6-30 963 Riverside San Jacinto Mt. 1828 Comment
  POM9011  Linanthus californicus P. A. Munz, R. D. Harwood 1920-3-20 3394 Riverside Glenn Ivy 335 Comment
  UC219592  Linanthus ciliatus P. A. Munz 1922-6-23 5765 Riverside Keen Camp San Jacinto Mts. 1524 Comment
  UCR35063  Linanthus ciliatus L. B. Ziegler 1967-7-13 188 Riverside San Jacinto Mtns, Hemet (Garner) Valley. Near Herkey Creek Canyon. 1585 Comment
  POM6699  Linanthus dianthiflorus subsp. dianthiflorus P. A. Munz, L. T. Street 1919-3-28 2378 Riverside San Gorgonio Pass, near Banning 701 Comment
  RSA68310  Linanthus dianthiflorus subsp. dianthiflorus G. R. Campbell 1951-5-30 16114 Riverside 9 miles west of Anza. 1067 Comment
  UC908001  Linanthus jonesii Herbert L. Mason 1928-3-10 4202 Riverside Hidden Springs Canyon Coachella Mountains Comment
  JEPS58457  Linanthus lemmonii W. L. Jepson 1901-5-20 1324 Riverside Chalk Hill to Thomas Valley; San Jacinto Mts. 1219 Comment
  UC1714592  Linanthus lemmonii A. J. McClatchie 1892-4-25 36 Riverside near Elsinore Comment
  UCR201710  Linanthus lemmonii Scott D. White, Justin M. Wood 2008-6-5 12076 Riverside San Jacinto Mountains, Garner Valley, Hwy 74 at Thomas Mountain Road, southwest corner of junction 1341 Comment
  UC737254  Linanthus parviflorus Frank W. Gould 1943-4-18 2149 Riverside 1 mi w Banning (foothills of the San Jacinto Mts.); San Jacinto Mts. Comment
  UCR6480  Linaria canadensis Helen Leach 1967-3-2 C670302- 01 Riverside Pedley 229 Comment
  RSA525350  Linaria canadensis var. texana Steve D. Boyd, A. C. Sanders, Mark Skinner 1990-4-28 4448 Riverside Vail Lake area, benches along Kolb Creek, W of Dripping Springs, N of Hwy 79. 488 Comment
  UC126713  Lipocarpha occidentalis F. M. Reed 1908-7-2 2443 Riverside San Jacinto Mountains, Lake Surprise Lake Surprise; San Jacinto Mountains, Lake Surprise Comment
  UC489224  Listera convallarioides C. V. Meyer 1928-7-24 520 Riverside s slope Marion Mt.; San Jacinto Mts. 2133 Comment
  CAS-BOT-BC434237  Lithophragma Tracy Tennant; Mitch Provance 1998-6-16 MOR- 414 Riverside San Bernardino Mtns. Foothills: Morongo Indian Reservation, upper Millard Canyon, north of Cabazon. 1098 Comment
  UCR193292  Lithophragma affine A. C. Sanders, Tim Thomas 2008-6-20 35541 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  UCR20687  Loeflingia squarrosa O. F. Clarke 1980-4-26 s.n. Riverside Menifee Valley Area, south of Sun City a few miles. 1.5 miles west from the intersection of Holland and Haun Roads, 2 miles SW of the intersection of Newport Rd and Hwy 395 473 Comment
  SEINET3005058  Loeseliastrum matthewsii G. Rink 2011-4-29 10496 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe, sandy 91 Comment
  RSA517919  Loeseliastrum schottii Steve Boyd, Thomas S. Elias, B. Roy, Sara Meury, S. Zona 1986-3-5 1345 Riverside Mecca Hills: Box Canyon, along Hwy 195 Comment
  RSA689548  Loeseliastrum schottii Scott D. White, Michael Honer 2003-4-25 9123 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
  UC907977  Loeseliastrum schottii Margaret Stason 1927-2-12 Riverside 1000 Palm Canyon Colorado Desert, 1000 Palm Canyon Comment
  UCR177180  Loeseliastrum schottii Scott D. White, Michael Honer 2003-4-25 9123 Riverside San Bernardino Mtns, Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm, west side of road 671 Comment
  CAS-BOT-BC342253  Logfia filaginoides Steve Boyd 1986-4-22 1732 Riverside Temescal Canyon: Walker Canyon area where Alberhill creek (=Temescal Ck.) flows between Alberhill Mtn. and Gavilan Hills Comment
  UC1595637  Logfia filaginoides Steve Boyd 1991-5-10 6212 Riverside bottom of Skyline Drive just n of mouth Hagador Canyon (base of Santa Ana Mountains); Santa Ana Mountains 426 Comment
  UCR92238  Logfia filaginoides D. L. Banks, Steve Boyd 1995-5-3 0283 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
  RSA512171  Lolium perenne Ed LaRue 1989-4-21 s.n. Riverside Moreno Valley, ca. 1 mi S of Hwy 60 on Nason St. Adjacent to W side of Nason, S of Dracaea Ave. Comment
  UCR22135  Lomatium dasycarpum Steve Boyd 1980-5-22 301 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau. east of the trailer park, E side of Gavilan Rd 625 Comment
  UCR20840  Lomatium mohavense A. C. Sanders, Steve Boyd 1980-4-17 595 Riverside Santa Rosa Mtns, Palms to Pines Hwy, near Ribbonwood 1284 Comment
  UC1375401  Lomatium utriculatum Louis B. Ziegler 1969-5-7 Riverside Hemet Valley near Kenworthy Ranger Station San Jacinto Mountains 1447 Comment
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Mar 25 2011
  UCR82761  Lonicera interrupta A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15788 Riverside San Jacinto Mtns., N slope of Mtns.: Twin Pines Creek drainage, rocky gorge of Azalea Creek 1189 Comment
  SD255699  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, halfway between Highway 74 and the bottom of the canyon. 1110 Comment
  UCR193966  Lonicera subspicata A. C. Sanders 2008-7-25 35920 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, NE of Bonita Vista Rd. at foot of hills Comment
  RSA597526  Lonicera subspicata var. denudata L. C. Wheeler 1960-5-9 7689 Riverside Santa Rosa Mountains. Garnet Queen Mine. Comment
  UCR6714  Lotus argophyllus var. decorus Frank C. Vasek 1964-7-12 640712- 02 Riverside Peninsular Range; San Jacinto Mountains, Pine Cove 1878 Comment
  RSA0093975  Lotus hamatus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37673 Riverside Peninsular Range; foothills of Gavilan Hills. Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, near Temescal Canyon Rd. undercrossing and N of Concordia Ranch Rd. 372 Comment
  RSA192130  Lotus hamatus E. W. Lathrop 1966-4-13 6148 Riverside De Luz Road between Murrieta and De Luz Comment
  UCR100025  Lotus hamatus A. C. Sanders, G. Helmkamp 1997-3-15 20000 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  UCR121677  Lotus hamatus Ian G. Gillespie, Abby Sirulnik 2000-5-7 35 Riverside Temescal Valley, 0.9 mi SE of Indian Truck Trail and 40 m SW of DePalma Road, directly across from Corona Lake 396 Comment
  RSA561065  Lotus heermannii Steve Boyd, T. S. Ross, Dave Bramlet 1993-5-12 7348 Riverside Southern Santa Ana Mountains, Sant Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon, 365 Comment
  RSA406730  Lotus heermannii var. heermannii N. C. Cooper 1949-6-29 4335 Riverside Idlewild, San Jacinto Mountains. 1524 Comment
  POM13458  Lotus heermannii var. orbicularis P. A. Munz, I. M. Johnston 1922-5-19 5398 Riverside Mountain side, at mouth of Strawberry Canyon. 1128 Comment
  UC80942  Lotus nevadensis var. nevadensis A. W. Anthony 1895-7-10 Riverside San Jacinto Mts. 2590 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
  RSA90306  Lotus rigidus F. W. Peirson 1919-4-14 712 Riverside Murray Canyon, near Palm Springs. Comment
  SEINET10484457  Lotus rigidus L. Rose 1935-12-23 Rose 35694 Riverside Above deep canyon, san jacinto mts. 22 Mi s of cathedral city. Rock slopes. 1067 Comment
  SEINET10484462  Lotus rigidus A. Evans 1976-4-13 Evans 5156 Riverside Desert canyons of santa rosa mtns. Comment
  RSA543945  Lotus salsuginosus Steve Boyd, Orlando Mistretta, Bob Boyd 1991-5-9 6177 Riverside Santa Ana Mountains, lower flank of range along the Bedford Truck Trail on ridge between Bedford and McBribe Canyons. 549 Comment
  UCR157958  Lotus salsuginosus var. brevivexillus T. B. Salvato, A. C. Sanders 2005-5-17 908 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  RSA406827  Lotus salsuginosus var. salsuginosus M. B. Dunkle 1933-4-5 3376 Riverside Colorado Desert, Jack Rabbit Trail Comment
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Mar 21 2011
  RSA660306  Lotus scoparius Joan Del Pino 1981-5-9 12 Riverside Hwy 74, 5.2 mils from Lake Shore Dr. Comment
  RSA500215  Lotus scoparius var. brevialatus Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3528 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  UCR175584  Lotus scoparius var. brevialatus Jim Andre 2006-4-26 6766 Riverside South Mojave Desert, Joshua Tree National Park: Long Canyon, c. 2.3 mi south of the NE corner (boundary) of the park 1056 Comment
  CDA27333  Lotus strigosus T. C. Fuller 1964-4-14 11826 Riverside Bench above wash of Whitewater Canyon, 4.1 miles north of Whitewater. 0 Comment
  RSA522082  Lotus strigosus Steve Boyd, T. S. Ross, Kyle Boyd 1989-6-24 3748 Riverside Vail Lake area, near summit of 'Little Oak' Mtn. along road. 627 Comment
  RSA799918  Lotus strigosus Justin M. Wood, D. M. Ray 2011-4-28 3851 Riverside Sonoran Desert: Chuckwalla Valley; Eagle Mountain Road, 2.8 miles west of Desert Center and 0.9 miles north of I-10. 312 Comment
  UCR136253  Lotus strigosus A. C. Sanders 2004-4-20 27547 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  UCR153672  Lotus strigosus Scott D. White 1999-5-24 7395 Riverside Peninsular Ranges/ Perris-Aguanga Basin, San Jacinto Valley, San Jacinto River wash: just N of the city of San Jacinto, about 1 mile SE of State St. Bridge 479 Comment
  RSA0127778  Lotus strigosus G. Rink, M. Honer, A. Karl, T. Thomas, M. Baker 2013-3-18 11871 Riverside About twelve miles west of Blythe, along the powerline west of the proposed Quartzite solar power plant. 116 Comment
  RSA680919  Lotus strigosus var. tomentellus Scott D. White, Michael Honer 2003-5-14 9274 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  CSUSB1242  Lotus tomentellus Shirley Hill 1963-3-13 630313 2 Riverside Desert wash at place where houses cease on Vista Chino Street, Palm Springs, about 500 yards up wash. Comment
  RSA406281  Lotus unifoliolatus Christopher Davidson 1977-5-25 5664 Riverside Mesa de Burro Santa Rosa Plateau area of Santa Ana Mountains. 701 Comment
  JOTR35479  Lupinus andersonii La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3167 Riverside Joshua Tree National Park. Little San Bernardino Mtns, below Lower Covington Flats, W of Smithwater Canyon,(Biodiversity Hunt stop1) 1341 Comment
  POM308635  Lupinus arizonicus Henry J. Ramsey 1937-5-9 3214 Riverside Near Indio, Riverside Comment
  UC710910  Lupinus arizonicus C. L. Hitchcock 1940-4-4 5961 Riverside Pinto Basin Comment
  RSA691056  Lupinus bicolor Scott D. White, Michael Honer 2003-4-9 8989 Riverside Gavilan Hills: About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak 2349. 549 Comment
  SD152852  Lupinus bicolor Steve Boyd, Tim Ross 1992-5-5 7229 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, eastern portions of Oak Flats along the Bluewater Trail, grassland at edge of oak woodland 730 Comment
  UCR117219  Lupinus bicolor B. G. Pitzer 2000-4-20 4124 Riverside Mead Valley, Air Force property bordering Nandina Road, across from (N of) the T-intersection with Brown Street. 515 Comment
  UCR43179  Lupinus bicolor B. G. Pitzer, Karen Kirtland 1986-5-6 0201 Riverside Peninsular Range, Butterfield Stage Ranch Development, hills on the north side of Pauba Valley in Rancho California area, 1 mi south of Buck Mesa, on the E side of Butterfield Stage Rd. 457 Comment
  RSA431075  Lupinus bicolor subsp. marginatus David B. Dunn 1949-4-10 5541- 2 -3 Riverside A colony growing 1 mile east of Beaumont on the southside of he highway at Xenica Ave. Comment
  RSA590649  Lupinus bicolor subsp. umbellatus E. W. Lathrop 1960-4-15 4747 Riverside 14 miles west of Murrieta, in low valley pasture in Tenaja Canyon. 610 Comment
  RSA407125  Lupinus chamissonis Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  UCR178308  Lupinus concinnus T. B. Salvato, Tracy Tennant 1998-4-23 MOR- 928 Riverside San Bernardino Mtns., Morongo Indian Reservation, seep in Wood Canyon, tree stand W-07 1220 Comment
  POM10226  Lupinus concinnus subsp. concinnus F. M. Reed 1907-5-5 1332 Riverside Fairmount Park. Comment
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Nov 30 2009
  POM12098  Lupinus concinnus subsp. optatus Mary F. Spencer 1921-6-3 1637 Riverside Idyllwild, San Jacinto Mt. 1616 Comment
  RSA190627  Lupinus concinnus subsp. optatus L. B. Ziegler 1967-6-1 s.n. Riverside Hemet (Garner) Valley, in Kenworthy area. 1402 Comment
  OBI42759  Lupinus excubitus Melody Lardner 1981-5-19 188 Riverside Collected in the Main St Cyn in the Santa Ana Mts, 3.5 mi S of Hwy 91 at the end of Main St 427 Comment
  UCR117316  Lupinus excubitus A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 725 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  CAS-BOT-BC216703  Lupinus excubitus var. excubitus John Thomas Howell 1931-6-4 6642 Riverside Summit of Jackrabbit Trail Comment
  RSA5027  Lupinus excubitus var. hallii Carl B. Wolf 1932-3-20 27 Riverside Richman Ranch, 2.5 miles no. of De Luz; S. W. Riverside County. 457 Comment
  UCR146444  Lupinus excubitus var. hallii R. F. Thorne, Et al. 1969-6-24 38129 Riverside San Jacinto Mtns., San Bernardino National Forest, above James Reserve in Hall Canyon 1677 Comment
  RSA413655  Lupinus formosus var. formosus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  SDSU13340  Lupinus hirsutissimus C. Matt Guilliams 2000-4-29 9 Riverside Santa Margarita Ecological Reserve, 'Insect Trail'. 1.5 miles NE of Gavalin Mtn. 305 Comment
  UCR100087  Lupinus hirsutissimus R. G. Swinney 1967-3-5 56 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 381 Comment
  UCR224448  Lupinus hirsutissimus Steve Boyd, Susan Jett 2008-3-20 11827 Riverside Peninsular Ranges; Santa Ana Mountains region, Eastern flank of the range along El Cariso Truck Trail ca. 0.5 mi north of Highway 74. (33 deg. 39'26"N, 117 deg. 24'25"W). 732 Comment
  RSA591825  Lupinus latifolius subsp. parishii E. W. Lathrop 1968-5-22 6932 Riverside Bear Spring on the Main Divide Truck Trail1 miles E of Santiago Peak, Cleveland National Forest Comment
  LA205135  Lupinus latifolius var. parishii Elizabeth McClintock; 1939-9-1 sn Riverside San Jacinto Mountains, Trail to Hidden Lake Comment
  RSA413767  Lupinus longifolius M. V. Hood 1945-3-25 s.n. Riverside Aguanga. 610 Comment
  RSA702747  Lupinus sparsiflorus Scott D. White, Michael Honer 2004-4-6 10041 Riverside Perris / Elsinore Basin: Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  RSA775449  Lupinus sparsiflorus Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4409 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
  SDSU14004  Lupinus sparsiflorus Michael G. Simpson, Adrienne Russell 2000-4-29 2074 Riverside Rocky ridge, ca. 100-150 feet SSW of Northside field station, Santa Margarita Ecological Reserve (SDSU). 366 Comment
  UCR16253  Lupinus sparsiflorus W. C. Anderson 1968-4-22 680422- 4 Riverside Sonoran (Colorado) Desert, 2 mi. south of Cottonwood Guard Station, Joshua Tree National Monument [now Park] Comment
  UCR86885  Lupinus sparsiflorus A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16290 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
  SEINET10903506  Lupinus sparsiflorus Robert F. Thorne 1983-4-23 Thorne 55500 Riverside San bernardino mts: sandy wash along whitewater river where road crosses river Below fish hatchery, ca 4 mi n of whitewater post office. Comment by d.b. Dunn (1984): area of Intergradation from ssp. Sparsiflorus to ssp. Mohavensis. One specimen closer To one and the other closer to the other. Erect, blue-flowered annual. 640 Comment
  RSA339345  Lupinus sparsiflorus subsp. sparsiflorus Robert F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54103 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  SEINET2062675 Image available Lupinus succulentus Ed LaRue 1989-4-21 Riverside Moreno Valley, University of California Riverside agricultural experimental farms, ca 1/2 mi S. of Alessandro Blvd, at NE corner of Cactus Ave. & Nason St. Comment
  UC536840  Lupinus succulentus M. E. Jones 1933-4-5 2 Riverside Hemet Comment
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Mar 24 2011
  RSA28732  Lupinus truncatus R. S. Woglum 1938-5-1 1611 Riverside Peninsular Ranges: San Jacento Valley; Hemet. . Comment
  RSA757629  Lupinus truncatus LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4325 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
  UC2980  Luzula comosa var. laxa H. M. Hall July, 1901 Riverside San Jacinto Mountains. Fuller's Mills Mountains 2286 Comment
  CAS-BOT-BC231422  Lycium andersonii I. M. Johnston 1918-5-30 2028 Riverside Elsinore 365 Comment
  POM259735  Lycium andersonii E. C. Jaeger 1939-12-29 s.n. Riverside Eytel canon [canyon]branching from Fargo Canon [canyon] 5 mi. east Indio. 244 Comment
  POM4209  Lycium andersonii I. M. Johnston 1918-5-30 2025 Riverside Lake Elsinore. 366 Comment
  SEINET3077689 Image available Lycium andersonii Alan Chamberlain 1957-3-16 Riverside Peak above streambed in Big Spring Canyon, Box Springs Mountain. 396 Comment
  UCR22195  Lycium andersonii Steve Boyd 1980-11-10 366 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UC884612  Lycium cooperi I. W. Clokey 1935-4-17 6880 Riverside Cottonwood Springs Comment
  UCR248092  Lycium pallidum var. oligospermum Duncan S. Bell, John Anderson, Kim Clark, Keir Morse 2012-11-11 4367 Riverside Sonoran (Colorado) Desert, Mecca Hills, at Hidden Spring just off Hidden Spring Canyon, c. 2.6 air miles south of Shaver Well, or c. 5.4 air miles northeast of junction of Box Canyon Road and the Coachella Canal 216 Comment
  UCR194217  Lythrum californicum Scott D. White, Angelia Carey 2004-6-4 10459 Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  UCR92321  Lythrum hyssopifolia Scott D. White, S. Ogg 1994-10-17 2473 Riverside Temecula Valley, Murrieta Creek, 1000-3000 ft. south of Winchester Road bridge (Banana Avenue) 317 Comment
  RSA234065  Lythrum hyssopifolia Robert F. Thorne 1969-5-19 37959 Riverside Santa Rosa Plateau: margin of N end of large vernal marsh, Mesa de Colorado, Rancho California. 625 Comment
  RSA587575  Madia exigua D. L. Banks, S. D. Boyd 1995-6-2 0574 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail N of the Riverside County boundary, in the clay grasslands in section 32, W of the Dripping Springs Alcove Area. 890 Comment
  UCR79486  Madia exigua Steve Boyd, T. Ross 1992-6-10 7642 Riverside Southern Santa Ana Mtns., San Mateo Canyon Wilderness Area, Santa Ana Mountains; about 'Potrero Escondido', an isolated area of low relief topping the ridge system due west of jct. Tenaja Rd. & Los Alamos Rd at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek 673 Comment
  UCR159187  Madia gracilis A. C. Sanders, Kelly Volansky 2005-8-31 31564 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  CAS-BOT-BC206266  Malacothamnus fasciculatus Peter H. Raven; Sidney R. Snow 1956-7-6 9661 Riverside Vandeventer Flat, San Jacinto Mts. 1493 Comment
  SDSU7510  Malacothamnus fasciculatus Thomas A. Zink 1971-7-1 Riverside Near Redlands Blvd. about 1 mile south of San Timeteo cyn. Rd. 518 Comment
  UC2015573  Malacothamnus fasciculatus Scott D. White 1996-2-18 3806 Riverside Perris Basin Double Butte, NW of Winchester. SE-facing slope of W butte and alluvial soil at base. Comment
  UCR256788  Malacothamnus fasciculatus T. B. Salvato, Matthew Malle 2013-5-20 7571 Riverside Perris-Aguanga Basin, Menifee, east of Railroad Canyon and west of Hyw I-215. Murrieta Road between Newport Road and La Piedra Road 454 Comment
  UC33272  Malacothrix californica H. M. Hall June, 1901 2182 Riverside Thomas Valley San Jacinto Mountains 1371 Comment
  UC63103  Malacothrix californica H. M. Hall May 17, 1901-June 1, 1901 1887 Riverside Van Deventer's Comment
  RSA673873  Malacothrix clevelandii Scott D. White 2000-5-27 7939 Riverside San Jacinto Mountains: Baldy Mtn. area. 1616 Comment
  SBBG101737  Malacothrix clevelandii S. Boyd with D. Bramlet 1991-5-13 6246 Riverside Domenigoni Hills, N side of Domenigoni-Diamond Valleys ESE of Winchester; ridgetop S of S end of Warren Rd; T5S, R1W, N1/2, S31, N/2 Comment
  SEINET11601600 Image available Malacothrix coulteri M. Alice King s.n. Riverside Menifee Comment
  CAS-BOT-BC347692  Malacothrix glabrata H. M. Hall 1904-5-26 4968 Riverside Vicinity of Riverside. Jurupa Hills 304 Comment
  RSA33571  Malacothrix glabrata N. C. Cooper 1944-3-25 1021 Riverside Cabazon. 457 Comment
  RSA729266  Malacothrix glabrata R. F. Thorne, M. Z. Thorne 1973-3-30 42695 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  UCR226776  Malacothrix glabrata Jim Andre 2011-2-9 15918 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
  UCR41399  Malacothrix glabrata N. M. Fellows, A. C. Sanders 1985-5-7 165 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  IRVC79  Malosma laurina Mike Munier 1965-1 s.n. Riverside 1/4 mile S of Keen Camp Summit [along Hwy 74 SE of Mountain Center]. Peninsular Ranges, San Jacinto Mountains Comment
  RSA171929  Malosma laurina R. F. Thorne 1963-7-26 32820 Riverside Santa Ana Mts., Cleveland National Forest, Trabuco District 305 Comment
  SD185106  Malosma laurina T. B. Salvato, Melissa Clemons 2005-6-23 1322 Riverside Temescal Valley, 3.0 miles northwest of Alberhill. 353 Comment
  UCR209338  Malus Fred M. Roberts, Robt. L. Allen 2008-6-23 7053 Riverside Santa Ana Mountains, Santiago Peak, north slope, Main Divide Truck Trail, 0.4 km north-northeast of summit 1639 Comment
  UCR229497  Malvella leprosa Jeremiah George 2011-7-18 s.n. Riverside Peninsular Range; Elsinore Trough, North Lake Elsinore, just west of Nichols Rd. and Collier Ave. junction 384 Comment
  RSA7198  Mammillaria dioica B. D. Stark 1932-09 7375 Riverside East slope of San Jacinto Mountains on the Palms to Pines road. 1524 Comment
  RSA0126634  Mammillaria tetrancistra Duncan S. Bell 2016-3-4 8803 Riverside Orocopia Mountains; northwestern corner of range; collecting in the Orocopia Mountains Wilderness area in an unnamed canyon approximately 3.75 air miles northwest of the summit of the range. 738 Comment
  RSA125207  Mammillaria tetrancistra E. K. Balls, Percy C. Everett 1957-8-20 22672 Riverside 14.7 mi. SW and W along State Hwy. 74 from Palm Village (jct. with State Hwy 111) 1127 Comment
  CHSC8368  Marah macrocarpa Edward L. Smith 1957-4-3 254 Riverside Located at entrance to White Water Canyon. San Bernardino Mts. 579 Comment
  SD138007  Marah macrocarpa Darin L. Banks, Steve Boyd 1995-3-30 131 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, Agua Tibia Mountain, Woodchuck Trail 633 Comment
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Jun 4 2009
  UCR41367  Marah macrocarpa N. M. Fellows 1985-3-3 86 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
  JEPS121576  Marina parryi Adam C. Schneider with Will Freyman 2014-2-16 409 Riverside East side of Highway 177. Comment
  RSA0122702  Marina parryi Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9062 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  UC68513  Marina parryi H. M. Hall Apr 1905 5957 Riverside near Palo Verde; Colorado Desert 91 Comment
  UCR264216  Marina parryi A. C. Sanders, Jim Malusa 2015-9-10 41863 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range 480 Comment
  UCSB3069  Marina parryi Haller, John 1960-4-2 Riverside South side of U.S. 60-70, 5.8 miles east of Desert Center 243 Comment
  SD68957  Marsilea vestita Robert F. Thorne, E. Lathrop & P. Munz 1968-5-8 37566 Riverside Santa Rosa Plateau, Mesa de Colorado, Rancho California 669 Comment
  UCR232930  Matricaria occidentalis R. E. Riefner Jr. 2011-5-31 11- 62 Riverside French Valley, immediately northeast of Hwy 79 and the intersection with Algarve Avenue 415 Comment
  UCR217530  Meconella denticulata Diane Menuz 2009-4-30 489 Riverside Penimsular Ranges: Santa Ana Mts., Cleveland National Forest; c. 0.38 km east of Wildomar Rd., along Tenaja Canyon, near entrance and parking area 573 Comment
  POM276580  Medicago polymorpha Lyman D. Benson 1932-3-26 3159 Riverside 3 miles N [of] Temecula. 457 Comment
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Dec 4 2011
  CAS-BOT-BC47746  Melia azedarach A. C. Sanders 2006-5-11 32269 Riverside Warm Springs Valley, N edge of city of Lake Elsinore, 35 acre parcel south of the intersection of Collier Ave. 388 Comment
  CSUSB855  Melia azedarach Margaret-Lee Dean 1965-5-13 Riverside Bernasconi Hills Bernasconi Hills; 6 miles east of Highway 395 on Martin Road 487 Comment
  RSA543166  Melica frutescens Steve Boyd, Timothy S. Ross, M. Hammitt 1991-5-2 6096 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  UCR26317  Melica frutescens John C. Roos 1948-5-1 3810 Riverside San Bernardino Mtns., Whitewater 518 Comment
  RSA291551  Melica imperfecta C. W. Tilforth, B. Busenberg 1980-6-17 2010 Riverside Along Thomas Mtn. Road, south of Lake Hemet, west of Highway 74. 1659 Comment
  SD197629  Melica imperfecta Mike Misenhelter 2005-6-8 Riverside Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Highway 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1000 Comment
  SD237272  Melica imperfecta A. C. Sanders 2010-4-2 37742 Riverside Peninsular Range: Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Rd., 1.65 mi. ESE of Corona Lake, .5 mi. NE of Temescal Canyon Rd. where it goes under I-15 404 Comment
  SEINET191891 Image available Melica imperfecta C. L. Hitchcock 1940-4-12 6042 Riverside 8 miles northwest of Elsinore 457 Comment
  UCR241682  Melica imperfecta T. B. Salvato 2013-3-22 7410 Riverside Perris-Aguanga Basin, southern end of Menifee Valley, between Hwy 215 and Winchester Rd (Hwy 79), south of Los Alamos Rd, rocky slopes flanking Warm Springs Creek 396 Comment
  CLARK-A1528-510  Melilotus albus John C. Roos 1951-9-25 5256 Riverside Riverside 259 Comment
  SDSU19220  Melilotus albus Kristen Hasenstab, Dave Bailey 2008-8-7 185 Riverside Santa Margarita Ecological Reserve, within 150m of gaging station at the Gorge river crossing. Growing 1-3m from the edge of the river. 215 Comment
  RSA740787  Mentha spicata Scott D. White, Justin M. Wood 2008-7-9 12413 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  UCR109001  Mentzelia affinis D. L. Banks, V. W. Steinmann 1997-4-13 1472 Riverside NW Palomar Mtns., Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79. Hills east of the Dripping Springs alcove and west of Vail Lake Marina Road. 549 Comment
  POM6682  Mentzelia albicaulis P. A. Munz, L. T. Street, Williams 1919-3-27 2345 Riverside Salton Sea Comment
  SEINET3005060  Mentzelia albicaulis G. Rink 2011-4-29 10498 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe, sandy 91 Comment
  UCR214548  Mentzelia desertorum A. C. Sanders 2010-3-15 37415 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  JOTR32169  Mentzelia involucrata La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2321 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Large sandy canyon with braided wash that feeds southwest into Wilson Canyon (Stop 7) 902 Comment
  SEINET3350022  Mentzelia involucrata Stephen Hale 2012-1 4820 Riverside Black Point Mesa, Big Maria Mts., 0.25 mi. W SR 95, 15 Mi. N Blythe 197 Comment
  UCR4453  Mentzelia involucrata Frank C. Vasek 1960-3-17 600317- 03 Riverside Sonoran (Colorado) Desert, Morongo Canyon, E side of the road on hill at mouth of canyon, 4.5 mi NW of Desert Hot Springs 579 Comment
  POM13079  Mentzelia involucrata var. megalantha R. Evans 1921-3-30 s.n. Riverside Painted Canyon, near Mecca. Comment
  POM14014  Mentzelia involucrata var. megalantha P. A. Munz, D. D. Keck 1922-4-13 4940 Riverside Eagle Mountains. 244 Comment
  RSA0127361  Mentzelia longiloba var. longiloba Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 961 Riverside Blythe-Rice Road, East/Northeast of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing. 243 Comment
  UCR112390  Mesembryanthemum nodiflorum A. C. Sanders, K. C. Rose 1998-5-21 21853 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
  UCR220326  Microseris douglasii D. E. Bramlet 1991-5-7 2118 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto Valley, 8.2 km SW of Hemet, just NE of jct. of California Ave. & Marvin Hull Road, c. 50-150 m north of the AT&SF railroad tracks & 300 m west of MWD canal 500 Comment
  UCR120852B  Microseris douglasii subsp. douglasii D. E. Bramlet 1993-4-14 2326 B Riverside Gavilan Hills, Black Rocks area, NE of Black Rocks and 1.2 km south of Cajalco Rd., east of orange groves 445 Comment
  UCR217519  Microseris douglasii subsp. platycarpha Kim Sparks, John Dvorak 2010-4-14 09 Riverside Perris-Aguanga Basin, Southeast end of Paloma Valley, 0.8km south of Scott Rd. and 400m east of Briggs Rd 435 Comment
  RSA501008B  Microseris douglasii subsp. platycarpha Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3127 B 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
  UCR102878B  Microseris heterocarpa A. C. Sanders 1997-3-26 20131 B Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  UC943875  Mimulus H. E. McMinn, M. Van Rensselaer 1945-6-7 1893 Riverside Indian Truck Trail Santa Ana Mts. 853 Comment
  JOTR30253  Mimulus aurantiacus Leary, C. and Leary, Pat 1979-5-6 3024 Riverside Joshua Tree National Park. Barker Dam, Joshua Tree National Monument, T2S R8E sec 4 Comment
  POM267767  Mimulus aurantiacus var. puniceus Lyman Benson 1932-3-26 3183 Riverside Summit Temecula Grade. 610 Comment
  POM8965  Mimulus aurantiacus var. puniceus I. M. Johnston 1920-5-8 2298 Riverside Butte west of Lakeview. 610 Comment
  UCR135845  Mimulus aurantiacus var. puniceus A. C. Sanders 2004-4-20 27534 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  CLARK-A1528-4229  Mimulus bigelovii John C. Roos 1966-3-20 Riverside Chuckwalla Mountains Comment
  UC886112  Mimulus bigelovii var. bigelovii C. L. Hitchcock 1940-3-29 5857 Riverside ca. 100 yards e Cottonwood Spring; Cottonwood Canyon Comment
  CLARK-A1045-336  Mimulus brevipes George K. Helmkamp 1978-5-2 Riverside Bautista Canyon burn; Bautista Road; Hemet 15'Q Comment
  UCR137488  Mimulus brevipes D. L. Banks 1997-3-29 1571 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Headwaters of Pala Creek at the S extremity of the Reservation, north of the Riverside/San Diego Co. line, west of the intersection of Magee Truck Trail and Moreno Rd including a large area of vernally wet grassland at the extreme SW corner of the Reservation 409 Comment
  CAS-BOT-BC9464  Mimulus diffusus John Thomas Howell 1930-5-10 4807 Riverside At top of St. John's Grade Comment
  POM157912  Mimulus diffusus P. A. Munz 1927-5-20 10806 Riverside 10 miles S. of Hemet. Comment
  UCR133168  Mimulus diffusus Frank C. Vasek 1978-5-6 s.n. Riverside San Jacinto Mtns., Bautista Canyon, c. 4 miles by road SSE of Valle Vista 671 Comment
  UC1929864  Mimulus floribundus Scott D. White, Michael Honer, Dylan Hannon 2003-6-24 9600 Riverside Near Rainbow Valley.: Mountains west of I-15 Freeway and immediately north of San Diego County boundary. Comment
  RSA0120464  Mimulus guttatus Duncan S. Bell 2016-4-16 9308 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  UCR169315  Mimulus guttatus T. B. Salvato, John F. Green 2004-5-27 602 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
  SEINET12269984  Mimulus longiflorus H. M. Hall 1902-1 2928 Riverside vicinity of Riverside 457 Comment
  UC1931067  Mimulus pilosellus Scott D. White, Justin Wood 2008-7-8 12397 Riverside San Jacinto Mountains: Johnson Meadow. Comment
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Sep 26 2019
  RSA586944  Mimulus pilosus D. L. Banks, S. D. Boyd 1995-5-17 473 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail., In the drainage immediately E of the spring just inside the wilderness boundary in north-central, section 33. 707 Comment
  UCR280960  Mimulus pilosus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-2 617- 07 Riverside Temescal Valley, Horsethief Canyon Wash, S. side of I-15, vicinity of De Palma Rd. 378 Comment
  UCR257223  Mimulus primuloides Naomi Fraga, Et al. 2008-8-28 2609 Riverside Peninsular Range; San Jacinto Mountains, Mount San Jacinto State Park; Hidden Lake 2652 Comment
  CAS-BOT-BC9539  Mimulus rubellus Philip Alexander Munz 1922-6-30 5911 Riverside Santa Rosa, Santa Rosa Mountains 1981 Comment
  JOTR29604  Mirabilis bigelovii var. retrorsa Andre, Jim 2006-4-26 6761 Riverside Joshua Tree National Park. Long Canyon, approximately 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  CSUSB571  Mirabilis californica D. Gordon 1952-2-27 Riverside UCR campus 396 Comment
  UCR21136  Mirabilis californica Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  RSA550044  Mirabilis laevis var. retrorsa Walter Wisura, A. King, L. Newcomb 1992-4-10 4663 Riverside Low Desert: Mission Creek Ranch W of Hwy 62 below Morongo Valley Comment
  RSA741193  Mirabilis multiflora var. pubescens Scott D. White, Justin M. Wood 2008-6-16 12128 Riverside San Jacinto Mountains: Fobes Canyon, +/- 1 mile up Fobes Ranch Road from Fobes Spring. 1540 Comment
  UC219570  Mirabilis multiflora var. pubescens P. A. Munz 1922-6-24 5812 Riverside Pipe Creek; San Jacinto Mts, Hemet Valley 1463 Comment
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Mar 25 2011
  UCR3840  Mirabilis multiflora var. pubescens John Minnich 1964-6-11 64-6-11- 2 Riverside San Jacinto Mtns, Hwy 74, desert side of mountains [Pinyon Flats area] 1220 Comment
  SD119906  Mirabilis pumila Louis B. Ziegler 1964-8-10 29 Riverside Garner Valley; San Jacinto Mountains. 1402 Comment
  RSA0104457  Mirabilis tenuiloba Duncan S. Bell, Sarah DeGroot, Cheryl Sevilla 2015-2-10 7744 Riverside Santa Rosa Mountains; a narrow unnamed canyon about 2 air miles south of La Quinta, and about 5.25 air miles northeast of the summit of Martinez Mountain. 232 Comment
  SEINET7248272  Mirabilis tenuiloba Duncan S. Bell, LeRoy Gross 2014-1 6191 Riverside Colorado Desert; Western Colorado Desert region: Santa Rosa Mountains; Toro Canyon on the east side of Martinez Mountain. 259 Comment
  UCR277701  Modiola caroliniana Mitch Provance 2013-4-16 413- 22 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  JOTR31938  Mohavea confertiflora La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 2176 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
  RSA790625  Mohavea confertiflora Aaron C. Sedgwick, David Fraker 2012-4-24 9 Riverside In the Palen Valley south of Power Line Rd. that parallels Hwy. 10 159 Comment
  UCSB17557  Mohavea confertiflora Winn, Will 1963-4-8 Riverside 29.2 mi. W of Desert Center on U.S. Highway 60-70 304 Comment
  UCR251724  Mollugo cerviana Deidre Conocchioli, Billy Sale, Naomi Fraga 2013-9-25 58 Riverside Sonoran (Colorado) Desert, east of Alligator Rock; from I-10 at Desert Center, head south on CA 177 to BLM Rd 394 (dirt), collection site is 1.1 miles SW of I-10 exit ramp 334 Comment
  CDA6772  Momordica balsamina G. D. Barbe 1973-10-19 1736 Riverside North side of Tampico Calle at Ramirez, La Quinta. 0 Comment
  JEPS63324  Monardella breweri subsp. lanceolata Marjorie D. Clary 1932-8-21 978 Riverside Hemet Lake, Hemet Valley 1341 Comment
  UCR112806  Monardella breweri subsp. lanceolata A. C. Sanders 1997-5-1 20620 Riverside Lake Skinner area, Rawson Canyon c. 1 mi. due west of summit of Black Mountain, along dirt road to Crown Valley 549 Comment
  UCR4650  Monardella breweri subsp. lanceolata Frank C. Vasek 1964-7-25 640725- 20 Riverside San Jacinto Mountains, Dark Canyon 1829 Comment
  RSA11400  Monardella lanceolata var. lanceolata C. Epling 1932-6-26 s.n. Riverside Jurupa Hills. 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
  POM13335  Monardella linoides subsp. linoides E. C. Jaeger 1921-3-10 1099 Riverside Santa Rosa Mtns, Upper Deep Canyon. 1220 Comment
  SEINET10499560 Image available Monardella macrantha var. hallii Harvey M. Hall Hall 1936 Riverside Palomar Comment
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Jul 19 2020
  CLARK-A1528-579  Monardella nana subsp. arida C. M. Flanagan 1973-5-12 OO 405 Riverside San Jacinto Mountains 1097 Comment
  SEINET2442172  Monardella nana subsp. arida Unknownnown 1941-6-29 79 Riverside Road up Santa Rosa Mt. 41/2 miles beyond canyon where stream crosses road. Comment
  UCR114631  Monardella nana subsp. arida G. R. Ballmer, Kay Stockwell 1995-6-25 s.n. Riverside San Jacinto Mtns, Pacific Crest Trail, near Pyramid Peak [c. 3 km (airline) SSE of Palm View Pk.--A. C. Sanders] 2134 Comment
  UCR221494  Monardella nana subsp. arida Elizabeth McClintock, D. Weiner 1941-7-11 99 Riverside Peninsular Range; San Jacinto Mtns., Black Mountain, 0.75 mi. mile below the snow gate 2317 Comment
  UC1069984  Monoptilon bellioides H. S. Yates 1936-4-7 5425 Riverside near Whitewater; San Jacinto Quadrangle Comment
  UCR165265  Monoptilon bellioides John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  UCR214420  Monoptilon bellioides A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37491 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
  UC218119  Montia fontana Munz and Johnston 1922-5-19 5438 Riverside 1 mi se of Thomas Ranch (Hemet Valley); San Jacinto Mountains, Hemet Valley 1402 Comment
  POM10484  Mucronea californica Charlotte M. Wilder 1904-3-15 202 Riverside Wilders Canyon Comment
  UC53724  Muhlenbergia asperifolia E. L. Koethen 1897-8-12 1 Riverside Riverside Comment
  UC573975  Muhlenbergia asperifolia H. S. Yates 1936-8-28 6370 Riverside 3 mi nw San Jacinto; San Jacinto Quadrangle Comment
  UCD86664  Muhlenbergia filiformis Peter Kamb 1948-7-11 1191 Riverside Hall Canyon. San Jacinto Mts. 1645 Comment
  CAS-BOT-BC275252  Muhlenbergia microsperma A. C. Sanders 2002-11-21 25630 Riverside Temescal Valley: development called Trilogy at Glen Ivy between Bixby and Brown Canyons, drainage W12 457 Comment
  POM258907  Muhlenbergia microsperma E. C. Jaeger 1939-12-3 s.n. Riverside Orocopia Mts. 365 Comment
  RSA524400  Muhlenbergia microsperma Steve Boyd, Timothy S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4101 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  SEINET10599984  Muhlenbergia microsperma Steve Boyd, Timothy S. Ross; Laurel Arnseth 1990-3-29 Boyd 3840 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Cyn and adjacent benches on S flank of "Big" Oak Mtn. T8S R1W S5 SE1/4 NE1/4, S4 SW1/4 NW1/4. E side of ridge burned, W side w/Salvia Artemisia, Ceanothus crassifolius. 396 Comment
  POM251782  Muhlenbergia minutissima J. C. Roos 1937-8-18 2 Riverside Hidden Lake, San Jacinto Mountains. Comment
  RSA680487  Muilla maritima Scott D. White, Michael Honer, Dylan Hannon 2003-6-24 9593 Riverside Mountains west of I-15 Freeway and immediately north of San Diego County boundary. 335 Comment
  UCR104631  Muilla maritima D. E. Bramlet, P. Jacks, S. Goode 1989-4-4 1787 Riverside Perris-Aguanga Basin Region, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  UCR80794  Muilla maritima Scott D. White 1993-5-29 1446 Riverside San Bernardino Mtns, Banning Canyon, along the road to Raywood Flat, Yucaipa Ridge 1402 Comment
  OBI1212  Myriopteris parryi Hoover 1966-10-15 10167 Riverside Dead Indian Cyn Comment
  RSA388844  Najas marina Richard Yeo 1977-6-17 s.n. Riverside Canyon Lake, ca. 3.5 miles southeast of Arlington Comment
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Dec 2 2014
  RSA421111  Nama demissa I. W. Clokey 1935-4-17 6812 Riverside Cottonwood Springs. Comment
  JOTR38692  Nama demissa var. demissa Hodges, Stephen R. 2017-2-7 708 Riverside Joshua Tree National Park. Little San Bernardino Mountains, West Deception Canyon, near the mouth of the canyon just north of the park boundary Comment
  POM9615  Nama demissa var. deserti H. M. Hall 2770 Riverside Coyote Canyon. Alt 500ft 152 Comment
  RSA4961  Nama hispida var. spathulata Carl B. Wolf 1932-4-27 3036 Riverside Colorado desert, 3/4 mile west of Utopia on Mecca-Blythe road 152 Comment
  RSA766605  Nama hispida var. spathulata Thomas Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-22 163 Riverside Chuckwalla Valley. N of I-10. Wiley Well Rd exit on 4x4 rd towards McCoy Peak. 213 Comment
  CAS-BOT-BC259973  Nassella lepida I. M. Johnston 1917-6-5 1301 Riverside Hills S of Arlington 365 Comment
  RSA179506  Nassella lepida E. W. Lathrop 1964-5-10 5376 Riverside 10 miles west of Murrieta. 610 Comment
  SD146190  Navarretia atractyloides Andy C. Sanders 2000-5-25 23425 Riverside Menifee Valley; S of Newport Road and E of Bradley Road, 2 miles due East of Railroad Canyon Lake 438 Comment
  UCR112000  Navarretia atractyloides A. C. Sanders, T. B. Salvato 2000-5-25 23425 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
  UCR174316  Navarretia atractyloides A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32558 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UCR55267  Navarretia atractyloides Kathy Harper 1988-7-16 s.n. Riverside Peninsular Range, Cleveland National Forest, on Hwy 74 near El Cariso, SE of Hwy Comment
  RSA550484  Navarretia fossalis D. E. Bramlet 1992-4-29 2254 Riverside The site is approximatly 8km southwest of Hemet. The vernal pools are located northwest of the intersection California Ave. and Stowe Rd. The pools are located some 5-500 ft. N of Stowe Road and some 20-700 ft west of California Ave. 456 Comment
  RSA658434  Navarretia fossalis J. C. Roos 1952-5-28 5729 Riverside San Jacinto River bottomland 1 mile south-east of Perris. 427 Comment
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Aug 8 2008
  JEPS57953  Nemacaulis denudata var. gracilis Frank W. Peirson 1917-1 6 Riverside road se Palm Springs Comment
  LA207124  Nemacaulis denudata var. gracilis H. L.; 1935-4-6 sn Riverside Palm Springs 152 Comment
  RSA777398  Nemacladus glanduliferus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 786 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  LA204527  Nemacladus gracilis Carl Epling; Harlan Lewis 1942-6-16 Riverside San Jacinto Mountains, Saunders meadow, Idyllwild Comment
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Jun 12 2015
  UCR260877  Nemacladus longiflorus A. C. Sanders 2015-3-30 41530 Riverside Peninsular Range; Eastern Foot of Santa Ana Mtns., Temescal Canyon near Lee (Corona) Lake, 0.1 mi. SW of the dam, south of Temescal Canyon Rd., c. 11 miles SE of Corona 351 Comment
  UCR68864  Nemacladus pinnatifidus Steve Boyd, T. S. Ross 1990-5-11 4705 Riverside Vail Lake area, Cleveland National Forest, N flank and summit of Wild Horse Peak, Agua Tibia Mtns 999 Comment
  RSA0112640  Nemacladus ramosissimus A. C. Sanders, D. Malueg 2003-5-8 26570 Riverside Perris-Aguanga Basin region: Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek. 396 Comment
  UCR204227  Nemacladus rubescens Valerie Soza, J. M. Porter, G. D. Wallace 2001-4-2 1085 Riverside Transverse Ranges, Little San Bernardino Mountains, Big Morongo Wash 473 Comment
  NY547192  Nemacladus rubescens var. tenuis H. M. Hall 1905-4-17 5819 Riverside Eastern base of Indio Mt., Colorado Desert 150 Comment
  RSA75132A  Nemacladus tenuis var. tenuis F. W. Peirson 1920-2-16 4681 Riverside Palm Canyon, near below Palm Springs Comment
  POM13005  Nemophila menziesii P. A. Munz, D. M. Johnston 1922-5-19 5426 Riverside Keen Canyon, San Jacinto Mountains. 1524 Comment
  RSA75874  Nemophila menziesii F. W. Peirson 1929-5-4 8336 Riverside In open spaces along road, summit of St. John s Grade, south of Hemet. 793 Comment
  UC1537401  Nemophila menziesii Gordon H. True Jr. 1935-2-22 11 Riverside Mockingbird Canyon 457 Comment
  UCR251693  Nemophila menziesii T. B. Salvato 2014-4-9 7835 Riverside Perris-Aguanga Basin, Menifee, c. 4 mi southeast of Canyon Lake, northeast corner of Bundy Canyon Road and Sunset Avenue 534 Comment
  UCSB10586  Nemophila menziesii Wedberg, H. 1957-3-22 Riverside Hwy. 71, near Alberhill Comment
  RSA770697  Nemophila menziesii var. menziesii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4803 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  UCR140301  Nemophila menziesii var. menziesii A. C. Sanders 2004-4-9 27462 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  UCR85251  Nicotiana clevelandii A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16184 Riverside Western Colorado Desert, Coachella Valley, Willow Hole, 4 miles south of Desert Hot Springs. 213 Comment
  UCR102046  Nicotiana glauca B. G. Pitzer 1997-4-12 3126 Riverside Lakeview Mtns, Pulsar View Road, c. 1/4 mi. uphill from the base of the hills at the end of Warren Road (very short dirt road leading into hills). c. 1.3 mi. airline SW of Mt. Rudolph (measured from BM 'Nelson'). 549 Comment
  RSA426702  Nicotiana glauca N. C. Cooper 1943-9-26 1015 Riverside Cabazon. 549 Comment
  UCR198187  Nicotiana obtusifolia Michael Honer, L. Hulse 2004-4-2 1875 Riverside Colorado(Sonora) Desert, Little San Bernardino Mountains. Blind Canyon, c. 0.5 mi north of Desert Hot Springs 488 Comment
  CAS-BOT-BC71168  Notholaena californica Nancy Ryan Zabriskie; Walter Zabriskie 1971-3-7 357 Riverside Andreas Canyon, east slope San Jacinto Mts. Comment
  UCSB38721  Notholaena californica Cowan, Clark 1978-4-23 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon 570 Comment
  UCR142762  Notholaena parryi L. C. Wheeler 1933-12-2 2305 Riverside San Jacinto Mountains/ Sonoran (Colorado) Desert, mouth Tahquitz Canyon near Palm Springs 145 Comment
  RSA752092  Oenothera alyssoides Mary Edmunds 1932-3-26 33 Riverside Mc Intyre Ranch-Oasis Coachella Valley. Comment
  RSA69370  Oenothera californica subsp. californica G. R. Campbell 1951-5-30 16144 Riverside near southeast end of Hemet Valley. San Jacinto Mtns. 1433 Comment
  RSA741196  Oenothera californica subsp. californica Scott D. White, Justin M. Wood 2008-5-15 11972 Riverside San Jacinto Mountains: Garner Valley, NW of Fobes Ranch Rd and NE of Hwy 74, valley bottom. 1357 Comment
  RSA153428  Oenothera cardiophylla subsp. cardiophylla M. French Gilman 1927-12-31 s.n. Riverside Pinto Basin, Colo. Desert. Comment
  SEINET6630452  Oenothera deltoides Robert L. Dressler 1949-3-19 418 Riverside 5 miles. North East of Desert Center Comment
  RSA785414  Oenothera scapoidea Keith E. Hoffmaster 1935-3-31 568 Riverside Palm Springs 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
  UCR176916  Olea europaea Mitch Provance, J. S. Ross 1998-3-27 MOR- 971 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon at mouth of Corral Canyon, c. 1 mile NW of VABM Mil (Peak 3620) 915 Comment
  CAS-BOT-BC427463  Oligomeris linifolia A. J. McC 1892-5-1 58 Riverside Collected near Elsinore Comment
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Oct 15 2018
  RSA698596  Oligomeris linifolia J. R. Bruff s.n. Riverside Palm Springs. Comment
  CAS-BOT-BC227272  Oncosiphon piluliferum A. C. Sanders; John F. Green 2012-3-26 39992 Riverside Peninsular Range; Santa Ana Mtns. Area: Temescal Canyon, De Palma Rd. near Indian Truck Trail, west of Lee (Corona) Lake near edge of a commercial development 363 Comment
  UCR232799  Oncosiphon piluliferum John F. Green 2008-4-16 0408- 33 Riverside Peninsular Range; Perris-Aguanga Valley, SE of Romoland, powerline route north of McLaughlin Rd. near Palomar Rd. 445 Comment
  UCR261194  Oncosiphon piluliferum A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-5-18 41716 Riverside Esinore, SE quarter of large vacant lot between Hwy 74 and Enterprise Way, a short distance NE of the drain from Lk. Elsinore to Temescal Canyon, S of the end of Enterprise and W of the end of Pasadena St. 387 Comment
  UCSB24418  Opuntia basilaris Olson, Terry 1966-4-6 Riverside On South Palm Canyon Dr., 1 mile south of West Palm Canyon Dr.; San Jacinto foothills 152 Comment
  CAS-BOT-BC56835  Opuntia engelmannii F. R. Fosberg 1932-7-12 8607 Riverside Field redacted by CAS, contact the data manager for more information Comment
  SD167377  Opuntia littoralis Scott D. White 1994-6-23 2101 Riverside Temecula/Murrieta Region, Santa Gertrudis Creek, ca. 1 mile east of Skunk Hollow; Bachelor Mountain 7.5' quad. 395 Comment
  UCR125198  Opuntia littoralis Mitch Provance 1998-5-24 530 Riverside Jurupa Mtns., Belltown area, 'Belltown Hill', small knoll near the E corner of Agua Mansa Rd. and Crestmore Rd./ Market St. 299 Comment
  POM305016  Opuntia parryi Lyman Benson 1962-2-17 16143 Riverside Oak Grove 6 miles southeast of Aguanga. 1220 Comment
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Feb 24 2013
  JOTR34181  Opuntia phaeacantha La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3231 Riverside Joshua Tree National Park. West of Queen Mountain, southern end of Wonderland of Rocks; Wonderland Wash, north of Mill Street Mine parking area. Active wash corridor with sandy bottom and surrounded by granitic outcrops and pediments; with heavy foot traffic (Stop 1) 1297 Comment
  POM278508  Opuntia phaeacantha H. G. Rush 1950-5-10 124 Riverside Santa Rosa Mountain Range. Palms to Pines Highway, 7 miles northwest of Nightingale. 1463 Comment
  SD142828  Opuntia phaeacantha Judy Gibson 1998-7-29 192 Riverside South of Hemet, weedy road edge, in sand. (IPB 9/07) Comment
  RSA439548  Opuntia ramosissima B. C. Templeton 1965-04 10526 Riverside Joshua Tree. Comment
  CLARK-A1528-1043  Orcuttia californica Walton Wright 1977-8-15 Riverside Santa Ana Mountains Comment
  RSA516904  Orobanche cooperi Steve Boyd, Orlando Mistretta 1986-3-13 1427 Riverside Palen Mountains; NE of Desert Center, jct. of Parker Dam Rd. and Palen Rd. (road going through pas between Palen and Granite Ranges). 244 Comment
  UCR103999  Orobanche cooperi George K. Helmkamp 1998-4-4 3144 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  UCR33629  Orobanche cooperi Sears 1978-3-16 832 Riverside Sonoran (Northern Colorado) Desert, 12 mi NW of Midland, 3 mi SW of Rice in sand dunes 244 Comment
  SEINET10500314  Orobanche cooperi David B. Dunn 1946-3-17 Dunn 2107 Riverside Growing in desert sand on alluvial fan from Pushawalla Canyon. Indio hills. Both Larrea and Hymenoclea and also Franseria growing close by. Comment
  CAS-BOT-BC500138  Orobanche fasciculata S. B. Parish; W. F. Parish 1881-8-1 488 Riverside San Jacinto Mt. Comment
  RSA523513  Orthocarpus purpurascens Steve D. Boyd, Tim S. Ross, L. Arnseth 1990-3-30 3972 Riverside Vail Lake area, valley between Black Hills and Rocky Ridge. 701 Comment
  RSA797656  Orthocarpus purpurascens var. purpurascens Robert F. Thorne, E. W. Lathrop 1977-5-18 49764 Riverside Santa Ana Mountains: Camp Portrero [near junction of Tenaja Truck Trail and Ortega Highway (74)] Comment
  CHSC109713  Oxalis albicans subsp. californica Scott D. White 2003-3-21 8825 Riverside Santa Ana Mountain Foothills: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. 152 Comment
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May 28 2018
  UC64173  Oxalis albicans subsp. californica H. M. Hall 1897-3-20 403 Riverside Gavilan Comment
  CSUSB852  Oxalis rubra William A. Hunt 1972-5-25 720525 1 Riverside City of Riverside; UCR campus, Picnic Hill 365 Comment
  POM353421  Oxalis wrightii E. Crow 1929-4-21 346 Riverside North of Alberhill Comment
  UC2030086  Oxytheca caryophylloides Scott D. White 2000-8-5 8119 Riverside SAN JACINTO MTS: Near Mountain Center. Unnamed ephemeral drainage (tributary to S Fork, San Jacinto River). Comment
  RSA0120243  Oxytheca emarginata Duncan S. Bell, Thomas Stoughton 2016-4-13 9274 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  RSA287109  Oxytheca emarginata J. C. Lyman 1981-5-22 s.n. Riverside Burned area on the east side of Mt. San Jacinto. 1829 Comment
  RSA606151  Oxytheca emarginata R. S. Woglum 1937-5-22 573 Riverside Santa Rosa Mountains. Comment
  RSA487541  Paeonia californica L. F. LaPre 1988-1-27 s.n. Riverside Santa Rosa Springs Ranch, on Santa Rosa Plateau, W of Murrieta. Comment
  SFV4388  Palafoxia arida F. M. Ball 1964-1-4 66 2 Riverside San Bernardino Mountains About 16 miles east of Banning on main highway to Indio. Whitewater turnoff on east side of Whitewater Canyon. 450 Comment
  SEINET10799065  Palafoxia arida David B. Dunn, Howard Brown 1947-2-9 Dunn 2854 Riverside Pushawalla Canyon, Indio Hills. In dry wash. Comment
  RSA92216  Palafoxia arida var. arida F. W. Peirson 1924-12-30 5426 Riverside Thousand Palms Canyon, Coachella Valley. 122 Comment
  CSUSB1048  Papaver californicum Tony Beck 1968-5-4 680504 7 Riverside San Jacinto Mountains San Jacinto Mountains. 10 miles south of Banning on highway 74, in burned chaparral- Oak woodland. About 10-20 yards up hill on right side of road. 1219 Comment
  UCR37456  Papaver californicum Steve Boyd 1981-5-15 s.n. Riverside Peninsular Range, Gavilan Hills, confluence of the major drainage off the west slope of Estelle Mountain with Temescal Wash 320 Comment
  CAS-BOT-BC389657  Parkinsonia florida Deidre Conocchioli; Duncan S. Bell 2014-3-11 151 B Riverside Devil Canyon in the Santa Rosa Wilderness area. W of Coachella Valley, 3 miles S of Lake Cahuilla 110 Comment
  UCSB21098  Parkinsonia florida Dunton, S. 1965-5-9 Riverside Highway 74 approaching Coachella Valley, 3.5 miles south of junction of Highway 74 and 111 304 Comment
  PASA202  Parosela schottii 1930-3-30 Riverside Painted Canyon Comment
  CLARK-A1528-2021  Pectis papposa John C. Roos 1965-9-5 Riverside Chuckwalla Valley Comment
  RSA793609  Pectis papposa Duncan S. Bell, Aaron C. Sedgwick 2012-9-13 4204 Riverside The Mecca Hills; along what was left of Box Canyon Road after having been buried by a flash flood from a large summer storm, approximately 5 air miles northeast of the junction of Box Canyon Road and the Coachella Canal,, or approximately 1.25 air miles southwest of Shavers Well. 240 Comment
  UCR167327  Pectis papposa Scott D. White, J. Wood 2005-9-27 11230 Riverside San Gorgonio Pass, Cabazon: Alluvial benches and braided dry channels south of Interstate 10 and west of the San Gorgonio River 610 Comment
  RSA788561  Pectocarya heterocarpa Duncan S. Bell 2012-3-8 3143 Riverside Southern section of the Mecca Hills; north side of the canal, approximately 4.75 air miles southeast of where Box Canyon Road crosses the Coachella Canal. 16 Comment
  SD87822  Pectocarya heterocarpa Frank W. Peirson 1935-4-17 Riverside 30 miles north of Blythe in small alluvial flat along the Colorado River Comment
  UCR214285  Pectocarya heterocarpa A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37488 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
  UCR241522  Pectocarya heterocarpa A. C. Sanders, Ann Howald 2013-2-27 40548 Riverside Sonoran (Colorado) Desert, Coachella Valley, north of Ave. 70 near Cleveland St., 10 km SE (108 deg. ) of Mecca -40 Comment
  OBI8293  Pectocarya linearis David J. Keil, Malcolm McLeod 1977-3-26 12012 -1 Riverside 8 mi NW of Lake Elsinore State recreation area along Calif 71 366 Comment
  RSA770312  Pectocarya linearis subsp. ferocula Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4402 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 W116.64310 487 Comment
  SDSU13374  Pectocarya linearis subsp. ferocula Tarja Sagar, Michael G. Simpson & Taxonomy of CA Plants Class 2000-4-2 14 Riverside Santa Margarita Ecological Reserve (SDSU). 200 m west from the Northside Field Station. 366 Comment
  UC64422  Pectocarya linearis subsp. ferocula H. M. Hall May 1900 Riverside Reche Canyon Comment
  POM13002  Pectocarya penicillata P. A. Munz, I. M. Johnston 1922-5-19 5422 Riverside Keen Camp, San Jacinto Mts. 1524 Comment
  RSA0106453  Pectocarya penicillata Daphne K. Christopher, Hannah Stevens 2003-4-3 79 Riverside UC Riverside, Motte Rimrock Reserve. Off Hairstreak Trail. 536 Comment
  RSA614178  Pectocarya penicillata D. L. Banks 1997-2-17 1281 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, along Pechanga Road in the Reservation, approximately 10 m west of the Pechanga Tribal Government Center. 367 Comment
  UC218244  Pectocarya penicillata P. A. Munz and I. M. Johnston 1922-5-19 5422 Riverside San Jacinto Mountains, Keen Camp 1524 Comment
  RSA0125986  Pectocarya peninsularis Duncan S. Bell 2016-3-4 8812 Riverside Orocopia Mountains; northeast section of the range, in the hills to the west of Red Cloud Wash. 487 Comment
  CDA40690  Pectocarya platycarpa K. Frick 1962-3-14 s.n. Riverside South end of Hemet Valley. 0 Comment
  RSA777537  Pectocarya platycarpa Thomas Stoughton, Chrsiti Gabriel, Stephanie Rockwood 2011-3-30 897 Riverside East Mojave Desert region: McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  SD132301  Pectocarya platycarpa O. F. Clarke 1973-4-1 Riverside Alluvial fan at south entrance to Joshua Tree National Monument, below Cottonwood Springs. Comment
  UCR116625  Pectocarya recurvata A. C. Sanders 2001-3-20 23850 Riverside Western Colorado Desert, Coachella Valley, Garnet, north side of 19th Ave., 1/2 mi. (airline) NW of intersection of I-10 and Indian Ave. 235 Comment
  SD39275  Pectocarya setosa Edith A. Purer 1935-4-21 6446 Riverside Pine Valley, Pines to Palms Highway Comment
  CLARK-A1528-4287  Pedicularis densiflora John C. Roos 1966-4-23 Riverside Santa Ana Mountains Comment
  SDSU13974  Pedicularis densiflora Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2105 Riverside Just north of El Valle meadow. Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 640 Comment
  CAS-BOT-BC69221  Pellaea andromedifolia Elmer I. Applegate 1893-4-23 s.n. Riverside East Riverside Comment
  RSA747570  Pellaea mucronata Michael Honer 2003-4-16 1830 Riverside Gavilan Hills, W slope: about 1 mile N of I-15 freeway, 1 mile E of Lake St. exit. 640 Comment
  RSA49194  Pellaea mucronata var. mucronata P. A. Munz 1949-4-13 13048 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
  UC218653  Pellaea mucronata var. mucronata P. A. Munz and I. M. Johnston 1922-5-19 5408 Riverside canyon bed near mouth of Strawberry Creek; San Jacinto Canyon 1066 Comment
  RSA778141  Pennisetum setaceum Jim Andre 2011-2-2 16214 Riverside Coachella Valley; west of Palm Springs along Hwy. 111 (south side) at base of San Jacinto Mts. at Windy Point, approx. 5.5 miles from Jct. with I-10 259 Comment
  UCR89670  Pennisetum setaceum George K. Helmkamp 1994-3-10 42- 17 Riverside Sonoran (Colorado) Desert, Indio Hills, canyon opening into Coachella Valley, 2 miles east of Thousand Palms on Ramon Road, and 1.3 miles north 122 Comment
  RSA20209  Penstemon X parishii Carl B. Wolf 1938-6-11 9416 Riverside Palms to Pines highway, 1.5 mi. W of junction to Anza 1220 Comment
  RSA58861  Penstemon californicus Philip A. Munz, Percy C. Everett 1950-6-23 14912 Riverside 2 miles NW of Pipe Creek, Hemet Valley, San Jacinto Mountains 1402 Comment
  UCR213848  Penstemon californicus Scott D. White, Justin M. Wood 2009-5-21 12872 Riverside San Jacinto Mountains, Garner Valley, 0.5 mi northwest of Morris Ranch Road (Kenworthy Ranger Station) 1387 Comment
  JEPS13627  Penstemon centranthifolius Peter Kamb 1946-4-27 336 Riverside Banning-Idyllwild Road near Barton lookout (San Jacinto Mts.); San Jacinto Quadrangle, near Barton lookout 1371 Comment
  RSA412458  Penstemon centranthifolius N. C. Cooper 1949-6-29 4331 Riverside Idlewild, San Jacinto Mountains. 1524 Comment
  UCR243168  Penstemon centranthifolius LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4333 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
  RSA96996  Penstemon centranthifolius R. M. Straw 1953-6-5 446 Riverside 0.2 mi. west of Palms to Pines Hwy on road to Anza. Comment
  RSA39403  Penstemon heterophyllus var. australis M. Dillon 1947-4-28 14702 Riverside Hidden Canyon at foot of Skyline Drive, southwest of Corona. Comment
  RSA33846  Penstemon spectabilis N. C. Cooper 1944-6-17 1422 Riverside San Jacinto Mts. above Banning. 1524 Comment
  UCR214300  Penstemon spectabilis A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38396 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
  RSA687426  Pentagramma triangularis Norman C. Cooper 1944-4-8 1085 Riverside Andreas Canyon 457 Comment
  CAS-BOT-BC77526  Peritoma arborea var. arborea Philip A. Munz 1940-3-24 15713 Riverside 2 miles north of Cottonwood Springs, Eagle Mts. 914 Comment
  CAS-BOT-BC355997  Perityle emoryi Ynez Whilton Winblad 1937-4-23 s.n. Riverside Palms to Pines Highway, Mt. San Jacinto Comment
  POM305614  Perityle emoryi Henry J. Ramsey, Henry J. Ramsey 1937-3-2 903 Riverside Desert center, Mojave Desert Comment
  SD258885  Perityle emoryi Sarah J. De Groot, Cheryl Sevilla 2016-3-16 7646 Riverside Mecca Hills; hills aroung Shaver's Well, along Box Canyon Road, south edge of Shver'v Valley, eastnortheast of Mecca. 294 Comment
  SEINET3388780 Image available Perityle emoryi Lewis S. Rose 1935-12-23 35687 Riverside 13 miles south of Cathedral City. San Jacinto Mountains. 610 Comment
  UCR279508  Perityle emoryi A. C. Sanders, Jim Malusa 2017-3-27 43117 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, canyon 12 km NE (46 deg. ) of Bombay Beach, on both sides of the Imperial County line 305 Comment
  SEINET10875493  Perityle emoryi David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2897 Riverside Pushawalla Canyon Biota. Indio Hills. In dry wash. Comment
  SEINET10908392  Perityle emoryi David B. Dunn, Howard Brown 1947-1-12 Dunn 2844 Riverside Pushawalla Canyon, Indio Hills. Comment
  CAS-BOT-BC167760  Petalonyx thurberi Marian L. Campbell 1921-3-20 26 a Riverside Palm Springs Comment
  JEPS41230  Petalonyx thurberi F. M. Reed 1917-5-19 3838 Riverside Mesa Sancta of Palm Springs village; Colorado Desert, Mesa Sancta Comment
  SEINET3155077  Petalonyx thurberi L. S. Rose 1938-12-19 38324 Riverside 6 miles S of Cathedral City 46 Comment
  RSA748602  Petalonyx thurberi subsp. thurberi Scott D. White, Justin M. Wood 2009-4-28 12594 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  SD84909  Petalonyx thurberi subsp. thurberi Nancy Ryan Zabriskie, Walter Zabriskie 1971-10-23 452 Riverside Near Andreas Canyon Club gate, South Palm Canyon Drive, Palm Canyon drainage, east slope San Jacinto Mountains. 167 Comment
  RSA425012  Petunia parviflora J. C. Roos 1952-5-28 5728 Riverside San Jacinto River bottomland 1 mile south-east of Perris. 427 Comment
  RSA0104411  Peucephyllum schottii Duncan S. Bell, Sarah DeGroot, Cheryl Sevilla 2015-2-10 7742 Riverside Santa Rosa Mountains; upper north fork of Bear Creek, about 5.75 air miles north of the summit of Martinez Mountain. 357 Comment
  SEINET10801061  Peucephyllum schottii David B. Dunn 1948-2-21 Dunn 3664 Riverside Pushawalla; a rain about 2 weeks earlier in wash. Hills still quite dry. On steep banks of wash, clay. Comment
  RSA4951  Phacelia campanularia Carl B. Wolf 1932-4-27 3047 Riverside Colorado Desert, lower end of Lost Palm Canyon, at 1st rocky hills, 1mi off the Mecca-Blythe Road. 244 Comment
  RSA0120323  Phacelia campanularia subsp. campanularia Duncan S. Bell 2016-3-13 8923 Riverside Whitewater Canyon; in the vicinity of Painted Hill, approximately 2.5 air miles southeast of the Ranger Station (trout pond). 613 Comment
  POM178002  Phacelia campanularia subsp. vasiformis Marcus E. Jones 1930-3-15 26506 Riverside Eagle Mountains. Comment
  RSA27807  Phacelia campanularia subsp. vasiformis C. L. Hitchcock 1940-3-29 5862 Riverside Cottonwood Canyon, ca. 100 yards east of Spring. Comment
  CSUSB130  Phacelia cicutaria Bob Sullivan 1966-3-10 Riverside 100 yards east of railroad tracks on corner of Tamescal Street and Comtom Ave. -near city of Corona 259 Comment
  SEINET3123389 Image available Phacelia cicutaria Teresa Nieto 2005-1 Riverside Peninsular Range, Agua Tibia Mountains: UC Emerson Oaks Reserve, ca 8 miles southeast of Temecula, S of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank Comment
  RSA574731  Phacelia ciliata Steve Boyd 1981-4-15 s.n. Riverside Gavilan Hills region, flats at the north base of the range, south of Lake Mathews, south of Cajalco Road. 457 Comment
  SFV5032  Phacelia crenulata F. M. Ball 1964-1-4 s. n. Riverside Colorado Desert Wide bench on right side of Rt. 74 to Hemet, about 7 miles south of Palm Desert. 335 Comment
  RSA795747  Phacelia crenulata var. ambigua Jim Andre 2012-3-19 21302 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
  UCR165824  Phacelia crenulata var. ambigua John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  SD215567  Phacelia crenulata var. minutiflora W. Wisura, J. Dolan and M. Wall 1992-3-25 4647 Riverside Ford Dry Lake, north of I-10 at Hopkins Well. Comment
  JEPS2319  Phacelia distans W. L. Jepson May 17 1901-Jun 1 1901 1276 Riverside Canyon of the San Jacinto River Comment
  JOTR30256  Phacelia distans Leary, C. and Leary, Pat 1979-5-6 3021 Riverside Joshua Tree National Park. West end of Lost Horse Valley, Joshua Tree N.M., T2S R7E sec 13 Comment
  JOTR31174  Phacelia distans La Doux, Tasha 2009-6-3 1867 Riverside Joshua Tree National Park. (Stop 5): Little San Bernardino Mountains, Covington Flats Area, lower slopes, just above parking area for lower Covington Flats 1460 Comment
  RSA699150  Phacelia distans J. R. Bruff 1928-4-2 117 Riverside Canyon wash west of Morango Comment
  RSA741605  Phacelia distans Scott D. White, Justin M. Wood 2008-6-16 12142 Riverside San Jacinto Mountains: Meadow at Quinn Flat. 1378 Comment
  RSA777678  Phacelia distans Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-6 982 Riverside Iron Mountains, on southwest side of mountains in drainage on either side of the road 419 Comment
  SEINET3091700 Image available Phacelia distans B. Pitzer 1998-1-24 3382 Riverside N foot of Chuckwalla Mts, Eagle Mt Rd, S side of Hwy I-10, 0.8 mi S of Hwy at powerline rd & wash directly S of rd. 500 Comment
  UC1929843  Phacelia distans Scott D. White 2001-4-3 8271 Riverside COLORADO DESERT: Shavers Valley. Near 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. Comment
  UC2015576  Phacelia distans A. C. Sanders with G. Helmkamp & P. MacKay 1995-3-12 16090 Riverside Coachella Valley: alluvial slopes at the foot of Rabbit Peak, Santa Rosa Mtns., below Sheep Canyon. Comment
  UC881082  Phacelia distans I. W. Clokey and E. G. Anderson 1930-4-11 4681 Riverside n Palm Springs; Colorado Desert 170 Comment
  UCR135995  Phacelia distans Virginia Moran 2003-3-12 s.n. Riverside Peninsular Range, Wilson Valley Mitigation Bank (Center for Natural Lands Management), NE of Wilson Valley Road and west of Wilson Creek 915 Comment
  JEPS21174  Phacelia fremontii H. S. Yates 1937-3-24 6474 Riverside near mouth of Deep Canyon; Thermal Quadrangle 304 Comment
  RSA180420  Phacelia imbricata subsp. patula E. W. Lathrop 1965-5-23 5769 Riverside 9 miles W of Murrieta. 610 Comment
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Oct 30 2008
  UC672713  Phacelia imbricata subsp. patula Harlan Lewis 1942-1 1709 Riverside near Idyllwild; Saunders Meadow Comment
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Sep 23 2013
  RSA428087  Phacelia minor Gale Sphon 1955-4-22 s.n. Riverside Perris, Riverside County. Comment
  UCR176913  Phacelia minor Tracy Tennant 1998-6-18 s.n. Riverside San Jacinto Mtns., Bee Canyon, NE of Valle Vista 793 Comment
  UCR35128  Phacelia minor L. B. Ziegler 1967-2-15 106 Riverside San Jacinto Valley, hills north of Lakeview. 457 Comment
  CLARK-A1528-7808  Phacelia mutabilis John C. Roos 1937-8-18 670 Riverside San Jacinto Mountains Comment
  RSA428114  Phacelia mutabilis Anstruther Davidson 1896-7-7 1921 Riverside Mt. San Jacinto. 2744 Comment
  UCR172769  Phacelia ramosissima Abby Sirulnik 2000-5-7 34 Riverside Peninsular Ranges; San Jacinto Mtns., Calif. Hwy 243, c. 5 mi. from Interstate 10 1098 Comment
  CAS-BOT-BC145000  Phacelia ramosissima var. latifolia Peter H. Raven; R. Snow 1957-7-26 11090 Riverside Banning-Idyllwild road 0.9 mi. n. of Vista Grande Ranger Station, San Jacinto Mts. Comment
  RSA112736  Phacelia suaveolens subsp. keckii J. T. Howell 1931-5-30 6611 Riverside Santiago Peak. 1220 Comment
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Jul 21 2018
  POM14416  Phalaris lemmonii P. A. Munz, I. M. Johnston 1922-5-18 5319 Riverside 3 miles south of Elsinore Comment
  UCR94495  Phalaris minor Steve Boyd 1981-4-8 s.n. Riverside Gavilan Plateau, Lake Mathews Road, south of Gavilan Peak 640 Comment
  RSA206251  Phlox austromontana Reid V. Moran 1968-8-3 15364 Riverside 1 mile NW of Toro Peak. 2250 Comment
  UCR85425  Phoenix dactylifera A. C. Sanders, P. J. MacKay, G. K. Helmkamp, J. M. Stewart, C. L. Sanders 1994-12-4 15889 Riverside Sonoran (Colorado) Desert, Salton Sink: Dos Palmas Spring & immediate vicinity -30 Comment
  RSA586963  Pholisma arenarium D. L. Banks, Steve D. Boyd 1995-5-17 451 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn., E of the Dripping Springs Alcove area W of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. 598 Comment
  RSA346251  Pholistoma membranaceum Robert F. Thorne, W. A. Tilforth, R. K. Benjamin, J. Hogge 1980-4-16 54069 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  UCR272295  Phoradendron californicum Duncan S. Bell, Sarah J. De Groot, Cheryl Sevilla 2015-2-10 7749 Riverside Santa Rosa Mountains, a narrow unnamed canyon c. 2 air miles south of La Quinta, and c. 5.0 air miles northeast of the summit of Martinez Mountain 266 Comment
  UCR48550  Phoradendron californicum J. Glazner 1985-3-25 s.n. Riverside Sonoran (Colorado) Desert, Morongo Canyon, 5 mi. NW of Desert Hot Springs and just west of the Hwy 62-Indian Ave. junction 610 Comment
  UC906740  Phoradendron densum Harold E. Parks Feb. 1946 24406 Riverside w. side Colorado Desert, Santa Rosa Canyon Comment
  UCR94061  Phoradendron densum Duayne Haselfeld 1996-7-2 4264 Riverside San Jacinto Mtns., Pinyon Flat Area, north of Hwy 74, c. 10 road miles east of jct. w/ Hwy 371. W facing slope of Sugerloaf Mtn. and adjacent valley 1400 Comment
  CAS-BOT-BC171146  Phoradendron serotinum subsp. tomentosum Geo. B. Grant 1901-8-1 s.n. Riverside Strawberry Valley, San Jacinto Comment
  JOTR32391  Phoradendron serotinum subsp. tomentosum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2495 Riverside Joshua Tree National Park. Queen Mountains; West side of Barker Dam; Small riparian zone in and along drainage from dam (Stop 5) 1300 Comment
  RSA617698  Phoradendron villosum Scott D. White 1996-12-26 4646 Riverside San Jacinto Mountains: Bautista Canyon: along Bautista Canyon Rd, ca. 2 or 3 air mi. NW of junction with Tripp Flats Rd. 1037 Comment
  UCR138555  Phoradendron villosum Steve Boyd, D. E. Bramlet 1988-10-8 2878 Riverside San Jacinto Mtns. area, Cahuilla Mountain, SW of Anza at head of Bautista Canyon, along the crest of the mountain 1707 Comment
  UCR177116  Physalis acutifolia A. C. Sanders 1993-8-14 14210 Riverside City of Riverside, vacant field (former citrus orchard) on south side of Palmyrita Ave. midway between Michigan Ave. & Mt. Vernon Ave, NW foot of Box Spring Mts. 323 Comment
  JEPS8981  Physalis crassifolia Mary Beal 1941-4-6 860 Riverside Painted Canyon Mojave Desert, Mecca Hills, Coachella Valley (Coachella Valley) Comment
  UC1143155  Physalis crassifolia H. S. Yates 1937-3-23 6430 Riverside Painted Canyon; Thermal Quad. 121 Comment
  UCR102739  Physalis crassifolia B. G. Pitzer 1998-2-1 3435 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed 427 Comment
  UCR41437  Physalis crassifolia B. G. Pitzer 1986-2-9 10 Riverside Sonoran (Colorado) Desert, Santa Rosa Mountains: Martinez Canyon, SW of Valerie Jean, on upper fan, c. 1 mi east of mouth of canyon 122 Comment
  UCSB22459  Physalis crassifolia Shaw, Merrilee 1964-4-5 Riverside wash of Box Canyon, 7.3 miles northeast of State Highway 111 at Mecca 106 Comment
  UCR113987  Physalis philadelphica Mitch Provance, A. C. Sanders 2000-7-4 2111 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR144084  Physalis philadelphica Scott D. White 1998-9-4 7122 Riverside San Gorgonio Pass, Beaumont, 'Oak Valley Golf Course 793 Comment
  SDSU13906  Pickeringia montana var. tomentosa Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2157 Riverside Santa Margarita Ecological Reserve (SDSU), just south of east-west draw, north of El Valle complex. 646 Comment
  UCR167862  Pinus T. B. Salvato, John F. Green 2004-5-27 647 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
  SD232554  Pinus jeffreyi A. C. Sanders 1995-11-25 17924 Riverside Tule Creek Valley, NE of Tule Pk, between Aguanga & Anza, S of Hwy 371. Old house site on Tule Peak Rd., 0.7 mi. W of Bonny Ln., sec. Protected from fire by rock. 1310 Comment
  UC1600404  Pinus lambertiana H. M. Hall 1901-1-1 2614 Riverside Tauquitz Peak San Jacinto Mts., Tauquitz Peak Comment
  CAS-BOT-BC72839  Pinus quadrifolia J. C. Roos 1965-8-18 s.n. Riverside Summit of Pines to Palm Hwy., Thomas Valley, San Jacinto Mtns. Comment
  CLARK-A1528-3564  Pinus quadrifolia John C. Roos 1947-4-5 3436 Riverside San Jacinto Mountains 1462 Comment
  RSA450184  Pinus quadrifolia J. C. Roos 1965-8-18 s.n. Riverside Summit of Pines to Palm Hwy., Thomas Valley, San Jacinto Mtns. Comment
  UC1134100  Pinus quadrifolia R. St. John 1931-1-14 172 Riverside Burnt Valley San Jacinto Quad., Burnt Valley 1371 Comment
  UCR201439  Pinus quadrifolia Scott D. White, Justin M. Wood 2008-6-17 12190 Riverside San Jacinto Mountains, Morris Ranch Road, open area west of Goff Flat 1641 Comment
  RSA0020323  Pinus quadrifolia D. W. Stevens 1966-5-7 1108 Riverside Thomas Mt. 1829 Comment
  RSA701503  Piperia transversa Naomi Fraga, Sarah J. De Groot 2004-7-8 1300 Riverside On Chimney Flats Road (5S06) near intersection of 5S04 (the road to Alvin Meadows). 1524 Comment
  RSA561111  Piptatherum miliaceum Steve Boyd, Timothy S. Ross, D. Bramlet 1993-5-12 7322 Riverside Southern Santa Ana Mountains, Sant Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon, 365 Comment
  RSA523318  Plagiobothrys canescens G. H. True 1935-2-20 9 Riverside Box Springs, Sycamore Canyon. 366 Comment
  RSA736297  Plagiobothrys canescens Scott D. White, Jamie Minor 2008-3-13 11768 Riverside Banning: S of Union Pacific RR, powerline route from Sunset Ave to 1 mile W. 732 Comment
  UCR232029  Plagiobothrys canescens John F. Green 2008-4-15 0408- 01 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  UCR174437  Plagiobothrys collinus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32483 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
  UCR153369  Plagiobothrys collinus var. fulvescens LeRoy Gross, Valerie Soza 2003-5-8 835 Riverside Peninsular Ranges; San Jacinto Mountains region, North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 762 Comment
  UCR31281  Plagiobothrys fulvus A. C. Sanders, Theo Glenn 1983-4-17 3736 Riverside Santa Ana Mtns., Mesa de Colorado, 5 mi (airline) SW of Murrieta 612 Comment
  UCR41823  Plagiobothrys jonesii A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6063 Riverside Sonoran (Colorado) Desert, Graham Pass, between Chuckwalla Mtns & Little Chuckwalla Mtns. 503 Comment
  UCR281255  Plagiobothrys leptocladus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 30 Riverside Menifee Valley, Menifee, about 0.5 miles south of Sun City, and 0.5 miles west of Romoland, SW corner of Lazy Creek Rd. and Murrieta Rd. 431 Comment
  CLARK-A1045-165  Plagiobothrys nothofulvus George K. Helmkamp 1979-4-27 Riverside Santa Ana Mountains head of De Luz Creek; Wildomar 7.5'Q Comment
  POM287591  Plagiobothrys tenellus Lyman Benson 1932-3-26 3175 Riverside Temecula Grade. Temecula Valley. 549 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
  UCR97651  Plantago erecta A. C. Sanders, G. Helmkamp 1997-3-15 19938 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 518 Comment
  UCD124522  Plantago major R. N. Raynor 1933-5-1 s.n. Riverside Eden Hot Springs. Comment
  JEPS22514  Plantago ovata Rimo Bacigalupi with Paul Hutchison 1958-2-19 6195 Riverside 9.4 mi n Blythe (at w base of Big Maria Mts.); Big Maria Mts. 167 Comment
  SJSU7820  Plantago ovata T. N. Seeno 1963-4-12 270 Riverside by Hwy 60-70, 20 mi W of Blythe Comment
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Sep 23 2013
  UC888395  Plantago ovata Carl B. Wolf 1932-4-27 Riverside 0.75 mi w Utopia (Mecca - Blythe Road); Colorado Desert 152 Comment
  UCR42481  Plantago ovata P. J. Leary 1975-2-15 917 Riverside Mojave/Colorado Desert, Joshua Tree National Monument [now Park], 2 mi. NW of Mission Well 488 Comment
  POM68906  Plantago ovata var. fastigiata Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. 61 Comment
  SD215599  Plantago ovata var. insularis W. Wisura, J Dolan and M Wall 1992-3-24 4626 Riverside 7.7 miles northeast of Mecca on Box Canyon Road. Comment
  RSA773178  Plantago patagonica Duncan S. Bell, Joy D. England 2010-5-27 1128 Riverside San Bernardino National Forest: Garner Valley, just south of junction of forest service road 6S04 and forest service road 6S13. 1340 Comment
  UCR100315  Platanus racemosa B. G. Pitzer 1997-4-20 3169 Riverside Lakeview Mtns, top of the hill on Dutton Street, just east of Horseshoe Trail, at a point c. 0.4 mi. north of Stagecoach Road. 640 Comment
  CAS-BOT-BC91886  Platystemon californicus W. R. Ernst 1958-5-2 278 Riverside About 2 miles north of Temecula along Highway 395. Comment
  UC1537343  Platystemon californicus Gordon H. True Jr. 1935-2-26 16 Riverside Mockingbird Canyon Comment
  UC2029972  Platystemon californicus S. D. White, Bill La Haye 2000-5-27 7946 Riverside SAN JACINTO MOUNTAINS: Baldy Mtn. area. Comment
  SEINET13710927  Platystemon californicus S. W. Austin, S. W. Austin 1969-1 23 Riverside W Slope of Mts, E of Railroad Tracks & N of RaviNE N of Big Springs Rd 1500 Ft 457 Comment
  SBBG123195  Plecostachys serpyllifolia R. E. Riefner 2008-12-16 08 -369 Riverside Pechanga Parkway at Pechanga Resort Drive; Temecula 338 Comment
  POM320420  Pleuraphis rigida Lynne Hayden 1970-3-24 57 Riverside Palm Springs, Chino Canyon, first alluvial fan 549 Comment
  SBBG29418  Pleuraphis rigida D. Myrick 1968-3-4 1807 Riverside Palms to Pines Hwy out of Palm Desert Comment
  CAS-BOT-BC326649  Pleurocoronis pluriseta Edmund C. Jaeger 1922-3-18 s.n. Riverside Eagle Canyon 4 miles east of Palm Springs Comment
  RSA6624  Pleurocoronis pluriseta B. D. Stark 1933-5-13 4983 Riverside Andreas Canyon. 762 Comment
  UCR244415  Pleurocoronis pluriseta Jim Andre 2012-4-16 20910 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd, 3.1 mi. north of south entrance, 4.1 mi. north of I-10 788 Comment
  RSA0117145  Pluchea sericea Mitchell Provance 2012-9-5 912 -12 Riverside Beaumont Plateau: City of Beaumont, lower reaches of Potrero Creek, adjacent to Four Seasons Development, west side of Highland Springs Ave., 1.1 miles south of the I-10 freeway. 762 Comment
  RSA0021398  Pluchea sericea L. F. LaPre, D. Hogan 1982-5-18 s.n. Riverside Salt Creek at the powerline crossing Comment
  RSA457391  Poa annua J. C. Roos 1965-10-7 s.n. Riverside Hemet, in the lawn with Cotula australis. Comment
  RSA747968  Poa bulbosa Justin M. Wood 2009-5-11 686 Riverside Garner Valley, Quinn Flat area. 1372 Comment
  POM100303  Poa secunda Marcus E. Jones 1882-4-24 s.n. Riverside Temecula Comment
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Jul 19 2010
  RSA180378  Polygala cornuta var. fishiae E. W. Lathrop 1960-6-7 4890 Riverside 14 miles west of Murrieta, Redonda Mesa. Comment
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Apr 28 2011
  RSA575919  Polygala cornuta var. fishiae Steve Boyd 1994-10-14 8378 Riverside Southern Santa Ana Mountains, San Mateo Cantyon Wilderness area of the Cleveland National Forest. Fisherman's Camp Trail (7S02) from Wildomar Road (7S01) west into Tenaja Canyon at its confluence with San Mateo Canyon., Fisherman's Camp 462 Comment
  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
  RSA720653  Polygonum aviculare John Green 2005-5-4 s.n. Riverside SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base. 534 Comment
  UCR155815  Polygonum aviculare John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  SEINET6050850  Polygonum ramosissimum Unknown 1955-6-10 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  SD137999  Polypodium californicum Darin L. Banks, Steve Boyd 1995-2-16 50 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; north slope AguaTibia Mtn., south of Dripping Springs Alcove, east of Woodchuck Trail Comment
  RSA503416  Polypogon interruptus John Olmsted 1962-5-10 3632 Riverside Coldwater Canyon, Corona city water supply, western Riverside County 396 Comment
  CAS-BOT-BC237274  Polypogon monspeliensis H. M. Hall 1901-5-1 s.n. Riverside Elsinore Comment
  UCR199630  Polypogon monspeliensis Scott D. White 2004-4-26 10252 Riverside San Jacinto Mountain Foothills, Soboba Indian Reservation, Indian Creek Watershed 671 Comment
  UCR2730  Polypogon monspeliensis H. S. Fawcett 1914-8-21 1630 Riverside Peninsular Range, Elsinore Lake, NE beach 427 Comment
  CAS-BOT-BC102581  Populus fremontii Swingle 1915-9-1 s.n. Riverside Indio Comment
  CAS-BOT-BC102602  Populus fremontii Alice Eastwood 1919-3-15 7989 Riverside Indio Comment
  CAS-BOT-BC356169  Porophyllum gracile Annie M. Alexander; Louise Kellogg 1941-5-9 2141 Riverside Colorado Desert. Cottonwood Spring, Eagle Mountains 883 Comment
  RSA695703  Porophyllum gracile Stephen Bruff 1934-3-28 s.n Riverside Lakeview. Comment
  SBBG19980  Porophyllum gracile M. A. Piehl 1963-9-18 63848 Riverside US Hwy 80, 2.7 mi W of Desert Center 312 Comment
  UC1446193 Image available Portulaca oleracea subsp. papillatostellulata A. Danin 1978-3-13 Riverside Palm Springs, Riverside Co. Comment
  CAS-BOT-BC452157  Potamogeton diversifolius P. A. Munz 1922-9-6 6380 Riverside Hidden Lake, San Jacinto Mts 2438 Comment
  UCR225162  Potamogeton diversifolius Steve Boyd, Gary Wallace 2005-7-30 11642 Riverside Peninsular Ranges; San Jacinto Mountains region, San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2683 Comment
  RSA740930  Potamogeton foliosus var. foliosus Scott D. White, Justin M. Wood 2008-7-9 12433 Riverside K Flat, from large pond downstream to meadow. 1427 Comment
  UC123561  Potentilla rimicola F. M. Reed 1908-7-15 2529 Riverside summit of Tahquitz San Jacinto Mountains, summit of Tahquitz 2621 Comment
  CAS-BOT-BC356219  Prenanthella exigua Roxana S. Ferris 1939-3-29 9716 Riverside Spur of the Eagle Mountains six to eight miles south of east portal of Eagle Mountains Tunnel on Desert Center-Rice road Comment
  SDSU12251  Primula clevelandii var. clevelandii Lara Tikkanen, Taxonomy of California Plants class, M. G. Simpson, instructor 2000-4-1 2 Riverside Comment
  RSA799516  Prosopis glandulosa Duncan S. Bell, Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, Gene Ratcliff 2013-4-7 4779 Riverside East side of Arica Mountains; west side of Rice Valley approximately 6 air miles southeast of the ghost town of Rice or approximately 5.25 air miles east southeast of Priests Well. 211 Comment
  SEINET10487642  Prosopis pubescens Billy Joe Cox 1975-10-10 Cox 4218 Riverside Palo Verde, 1-3 km W, (ca 32 km S of Blythe); creosote desert scrub; andy and gravelly entisols. 70 Comment
  RSA721886  Prunus fasciculata J. Mark Porter, Orlando Mistretta 2003-6-5 13618 Riverside Chocolate Mountains. Chocolate Mountain Bombing and Gunnery Range.Unnamed canyon, S of Salt Creek, accessed via Siphon 21 of the Coachella Canal; fork running southeast. 412 Comment
  SD212715  Prunus virginiana var. demissa T. B. Salvato, John F. Green 2004-5-27 606 Riverside Head of Banning (San Gorgonio Canyon) Canyon close to the San Bernardino County line, 0.5 miles Southeast of Oak Glen Conservation Camp 1402 Comment
  RSA0039857  Psathyrotes ramosissima Duncan S. Bell, Evan Meyer 2014-4-2 6505 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  UCD135007  Psathyrotes ramosissima Lewis S. Rose 1959-1-12 59010 Riverside Cathedral City. 121 Comment
  RSA0065465  Psathyrotes ramosissima David B. Dunn 1947-7-12 2976 Riverside Pushawalla Canyon Indio Hills. Comment
  SD140193  Pseudognaphalium californicum Scott White 1993-3-15 1191 Riverside Elsinore: Highway 74, just west of northwest corner of Lake Elsinore. Alluvial wash in Dickey Canyon. Comment
  RSA736853  Pseudognaphalium leucocephalum Scott D. White, Angelia Carey 2004-7-2 10594 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  POM318596  Pseudognaphalium stramineum Patricia Wilder 1970-10-15 4780 Riverside Prado Dam at base of dam in Prado Flood Control Basin. East of Chino Hills. 152 Comment
  IRVC2821  Pseudotsuga macrocarpa R. H. Whittaker, W. A. Niering 1963-5-27 SJ 6 Riverside Hemet Hwy, between Hemet and Mtn Center. Peninsular Ranges, San Jacinto Mountains 1250 Comment
  UC813370  Pseudotsuga macrocarpa C. Epling 1937-4-1 Riverside above Herkey Creek Camp; San Jacinto Mt. Comment
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Jun 24 2009
  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
  SD68944  Psilocarphus brevissimus var. brevissimus Robert F. Thorne, E. Lathrop and O. Clark, and S. Carlquist 1968-4-18 37436 Riverside Mesa de Colorado, Rancho Californioa, Santa Rosa Plateau. 669 Comment
  CAS-BOT-BC346353  Psorothamnus L. R. Abrams 1926-3-26 11103 Riverside between Edom and Garnet east of San Gorgonis Pass Comment
  CAS-BOT-BC346361  Psorothamnus Marcus E. A M Jones 1906-4-19 s.n. Riverside Cholla Ranch 609 Comment
  CAS-BOT-BC354258  Psorothamnus arborescens var. minutifolius F. Almeda 1976-6-5 2822 Riverside 4-5 mi. N of Interstate Hwy #10 off Whitewater Canyon Comment
  CAS-BOT-BC353577  Psorothamnus arborescens var. simplicifolius David Dreyer 1971-4-3 194 Riverside ca. 1 miles south of junction of Highway 62 and Indian Ave., north of Indio Comment
  RSA657242  Psorothamnus arborescens var. simplicifolius J. Mark Porter 2001-4-2 12341 Riverside Coachella Valley, Desert Hot Springs, NE of Big Morongo Wash, just N of the jtn. Agusta Avenue and Little Morongo Drive. 412 Comment
  SD80985  Psorothamnus arborescens var. simplicifolius J. Harada 1969-5-3 14 Riverside 2.0 miles from Morongo Valley Road on Dillon Road; Indio Hills. 456 Comment
  LA205188  Psorothamnus emoryi A. M. Johnson; 1928-5-5 342 Riverside Travertine Rock Comment
  RSA765261  Psorothamnus emoryi Justin M. Wood, D. M. Ray 2010-10-21 3002 Riverside Chuckwalla Valley NE of Victory Springs and 0.9 km E of Kaiser Road on unmarked 4WD road. 198 Comment
  SBBG3303  Psorothamnus emoryi H. and M. Dearing 1936-12-25 799 Riverside 1000 Palms Cyn Comment
  CAS-BOT-BC340833  Psorothamnus polydenius J. Cole 1942-5-19 965 Riverside Road to Ruby Lee Mine, 2 miles west of junction with road from Pinto Basin to Twentynine Palms, Joshua Tree National Monument 914 Comment
  CAS-BOT-BC340911  Psorothamnus schottii E. E. Schellenger 1911-4-24 s.n. Riverside Colorado Desert. South of Palm Springs Comment
  JOTR32490  Psorothamnus schottii Herskovits, Tasya 2011-5-25 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains; Large sandy, open wash flowing southeast to Cottonwood Canyon; Near convergence of both drainage systems and Pinto Basin road (Stop 2) Comment
  CAS-BOT-BC421251  Pterostegia drymarioides Geo. B. Grant 1898-3-15 s.n. Riverside Riverside Comment
  RSA552699  Pterostegia drymarioides Steve Boyd, Tim S. Ross, Orlando Mistretta 1992-2-26 6707 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  RSA586098  Pterostegia drymarioides D. L. Banks, S. D. Boyd 1995-4-5 138 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, E of the Dripping Springs Trail., In the N flowing drainage that empties into Arroyo Seco. 610 Comment
  RSA747566  Pterostegia drymarioides Michael Honer 2003-4-16 1825 Riverside Gavilan Hills, W slope: about 1 mile N of I-15 freeway, 1 mile E of Lake St. exit. On and around peak '2349' 640 Comment
  UCR138649  Pterostegia drymarioides D. L. Banks 1997-3-29 1619 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Headwaters of Pala Creek at the S extremity of the Reservation, north of the Riverside/San Diego Co. line, west of the intersection of Magee Truck Trail and Moreno Rd including a large area of vernally wet grassland at the extreme SW corner of the Reservation 409 Comment
  UCR278872  Pulicaria paludosa Mitch Provance 2012-8-1 812- 04 Riverside Colorado Desert, Thousand Palms Canyon Road, +- 2/3 of the way up into the canyon. 140 Comment
  RSA0081606  Pyrola aphylla P. A. Munz 1922-9-6 6389 Riverside Hidden Lake, San Jacinto Mountains. 2286 Comment
  UCR277504  Quercus Mitch Provance 2012-4-20 412- 36 Riverside San Timoteo Canyon, 0.8 mi south-southeast of the SCE El Casco Substation, on the south side of San Timoteo Canyon Rd./Oak Valley Parkway 671 Comment
  UCR180579  Quercus agrifolia Scott D. White, Angelia Carey 2004-4-5 10014 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  RSA476773  Quercus berberidifolia E. Crow 1929-4-21 345 Riverside Near Lake Elsinore Comment
  UCR162959  Quercus berberidifolia John F. Green 2005-10-20 s.n. Riverside Elsinore Basin/Menifee Valley, Bundy Canyon, N of Bundy Canyon Road c. 2 mi east of Hwy I-15 518 Comment
  UCR260589  Quercus berberidifolia A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-3 41558 Riverside Peninsular Range, Eastern Foot of the Santa Ana Mtns., Temescal Canyon NW of Horsethief Canyon Rd. along DePalma Rd., SE of Glen Eden Rd. and south of the east end of Lee (Corona) Lake, south side of I-15 370 Comment
  UCR273036  Quercus berberidifolia Mitch Provance 2012-1-25 17380 Riverside Badlands of Western Riverside County, San Timoteo Canyon, SW end along SCE powerline access roads between El Casco Substation and the Hwy. 60. 689 Comment
  RSA124684  Quercus chrysolepis E. K. Balls, Percy C. Everett 1957-11-6 22775 Riverside Banner Grade. So. Oak Woodlands Plant Com. 1067 Comment
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Jul 15 2012
  SBBG58052  Quercus chrysolepis J. E. Butner 1948-10-3 655 Riverside trail from Idyllwild to San Jacinto Pk 2286 Comment
  JOTR32841  Quercus cornelius-mulleri La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1630 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; granitic bouldery slopes above wash 1260 Comment
  RSA720626  Quercus cornelius-mulleri Naomi S. Fraga, Tim Thibault 2006-5-16 1670 Riverside ca. 2.5 miles up Morris Ranch Road near its intersection with a locked FS road west of Goff Flat. 1585 Comment
  UCD45609  Quercus cornelius-mulleri Alan D. Eliason; James R. Youse 1966-1-17 s.n. Riverside Live Oak Tank, Joshua Tree National Monument, in Riverside County, California. Comment
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Nov 6 2011
  RSA503821  Quercus cornelius-mulleri N. C. Cooper 1943-9-11 910 Riverside East side of San Jacinto Mt. Comment
  CAS-BOT-BC257778  Quercus dumosa P. S. Manos 1988-10-27 668 Riverside Gavilan Rd., in Wildlife Preserve 600 Comment
  UCR189796  Quercus engelmannii Angela Hyder 2006-10-2 79 Riverside Peninsular Range, Lake Skinner, Lake Skinner reserve. 1 mi east of Rawson Canyon. 1 mi north of Black Mountain 660 Comment
  UCR273033  Quercus engelmannii Mitch Provance 2012-1-25 17376 Riverside Badlands of Western Riverside County, San Timoteo Canyon, SW end along SCE powerline access roads between El Casco Substation and the Hwy. 60. 677 Comment
  UCR94887  Quercus engelmannii G. R. Ballmer, K. T. Stockwell 1996-9-22 s.n. Riverside Murrieta, Warm Springs Creek, SE of Hogbacks 366 Comment
  RSA0022626  Quercus engelmannii Robert F. Thorne, Earl W. Lathrop, M. Z. Thorne 1985-4-26 s.n. Riverside Santa Rosa Plateau: NE edge of Mesa de Colorado Comment
  UC667287  Quercus john-tuckeri Annie M. Alexander and Louise Kellogg 1941-5-26 2243 Riverside Monsen Canyon Colorado Desert, Eagle Mountains 914 Comment
  POM183874  Quercus turbinella P. A. Munz 1932-10-16 12845 Riverside Road from Deep Canyon to Vanderventer Flat, Santa Rosa Mts. 1067 Comment
  SD232697  Quercus wislizeni Scott D White 1996-8-1 4445 Riverside San Jacinto Mts., Idyllwild area: North of Strawberry Valley, between Bear Trap Cyn and Lily Creek. S facing slope. 1584 Comment
  CLARK-A1528-2908  Quercus wislizeni var. frutescens John C. Roos 1947-1-4 3196 Riverside Box Springs Mountains 487 Comment
  RSA477132  Quercus wislizeni var. frutescens Christopher Davidson 1975-6-16 2815 Riverside 3.8 mi. N of Alandale Station on road R1 from Idyllwild to Banning. 1700 Comment
  JEPS30457  Rafinesquia neomexicana Peter H. Raven 1958-2-15 11581 Riverside Corn Springs Chuckwalla Mountains Comment
  RSA749946  Rafinesquia neomexicana Justin M. Wood 2009-3-26 413 Riverside Thousand Palms, Ramon Rd., 1.4 miles E of Monterey Ave., just E of Edison substation. 61 Comment
  SD258339  Rafinesquia neomexicana J. M. Andre, Glenn Clifton, Ron Kelley 2013-3-21 24401 Riverside Grommet; 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
  VVC1723  Rafinesquia neomexicana Jim Andre, T. La 2009-3-10 11240 Riverside Colorado Desert, Joshua Tree Natl. Park; south end of the Cottonwood Mtns near Pinkham Wash just N of aquaduct just inside JTNP boundary, approx 7 mi W of S entrance into park at Cottonwood. 542 Comment
  UC219191  Ranunculus aquatilis var. capillaceus P. A. Munz 1922-4-28 5022 Riverside 5 mi nw Corona (small branch of creek); Chino Creek 228 Comment
  UC56754  Ranunculus californicus H. M. Hall Apr. 1902 2889 Riverside Coahuilla Comment
  SEINET270114  Ranunculus hebecarpus Steve Boyd, Tim Ross; Orlando Mistretta 1992-3-31 6759 Riverside San Mateo Canyon Wilderness Area ; Santa ana Mountains Tenaja trail from junction with Morgan Trail south to Pigeon Spring area 67 Comment
  CSUSB539  Raphanus sativus Rita Gibbons 1975-6-5 Riverside 1/2 mile north of Highway 60, on Heacock Ave., Sunnymead Comment
  RSA0036812  Raphanus sativus Robert MacGregor 1984-5-19 5 Riverside Lake Elsinore, CA Hwy 74, 1 mi W of junction with 15E Freeway, N side of road. Comment
  UCR100031  Rhamnus crocea A. C. Sanders, G. Helmkamp 1997-3-15 19976 Riverside Lake Skinner area, N foot of 1700 ft. hill east of Bachelor Mtn., small canyon and grassy S-facing slopes 488 Comment
  RSA1791  Rhamnus ilicifolia Carl B. Wolf 1931-5-11 s.n. Riverside Near Pipe Creek, above Hemet Valley, San Jacinto Mountains. 1677 Comment
  SD10085  Rhamnus ilicifolia Daniel Cleveland 1882-5-5 Riverside Temecula Comment
  UCR49776  Rhamnus ilicifolia B. G. Pitzer, A. C. Sanders 1987-4-21 494 Riverside Box Spring Mountains, near southernmost radio towers 793 Comment
  RSA731532  Rhamnus pilosa R. E. Riefner 2007-9-6 7 -376 Riverside W of Rainbow Canyon ca. 2 mi E of I-15 SW of Pechanga Indian Reservation 668 Comment
  UCR202572  Rhamnus tomentella subsp. cuspidata Scott D. White, Justin M. Wood 2008-7-8 12388 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  CAS-BOT-BC200033  Rhododendron occidentale var. californicum Louis C. Wheeler 1931-10-4 205 Riverside Strawberry Valley, San Jacinto Mts. 1584 Comment
  JOTR32001  Rhus aromatica La Doux, Tasha, T. Herskovits, M. Wheeler, D. Shade 2011-4-19 2230 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Queen Valley; Pine City area along Old Queen Valley Historic Road (Stop 1) Comment
  RSA403687  Rhus ovata E. Crow 1928-11-12 43 Riverside Morongo Valley, Colorado Desert. Comment
  SD229048  Rhus ovata Dick Schwenkmeyer, Tony Harper - Collector 2013-5-8 892 Riverside Agua Bonita Spring, Palm Canyon, approx. 8 Mi. S. of Catherdral City 883 Comment
  SDSU13694  Rhus ovata James C. Dice, Ruth Miller 1987-11-23 755 Riverside Temecula Gorge, south side of aqueduct crossing. T8S, R3W, SE 1/4 of NE 1/4 of Section 27. 259 Comment
  UCR87634  Rhus ovata A. C. Sanders 1994-5-29 14549 Riverside San Bernardino Mtns, Morongo Indian Reservation, low pass between Millard Canyon and Potrero Creek 793 Comment
  RSA0035002  Rhus trilobata Charles MacKechnie 1950-4-29 s.n. Riverside Cranton [Cranston] Ranger Station, San Bernardino Nat'l. Forest. 609 Comment
  SDSU5892  Ribes cereum Charles F. Phleger 1962-5-13 Riverside Collected on road leading up to Black Mountain in the San Jacinto Mountains. Comment
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Feb 28 2013
  RSA162688  Ribes indecorum J. D. Olmsted 1960-2-15 1094 Riverside 100ft from highest point in Jurupa Hills, Santa Ana River. 686 Comment
  RSA343879  Ribes indecorum Robert F. Thorne, E. W. Lathrop, S. Meury, W. Wisura 1985-5-18 60669 Riverside Santa Rosa Plateau: at edge of Cleveland National Forest. 610 Comment
  RSA501073  Ribes indecorum Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3191 Riverside Vail Lake Area, W end of bench on S flank of Oak Mountain. 549 Comment
  RSA562614  Ribes indecorum Steve Boyd 1993-3-14 7725 Riverside Southern Santa Ana Mountains, 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. 976 Comment
  UCR277935  Ribes indecorum Mitch Provance 2012-1-26 112- 04 Riverside Badlands of Western Riverside County, San Timoteo Canyon, El Casco area, 0.3 miles S of Fisherman's Retreat 695 Comment
  CLARK-A1528-1297  Ribes malvaceum Michelle Loef 1943-3-20 120573-2 Riverside San Jacinto Mountains|Fuller Mill Creek 1828 Comment
  SBBG34220  Ribes malvaceum T. L. Secrest 1951-5-20 Riverside N slope of San Jacinto Mtns Comment
  UCR16474  Ribes nevadense Pam Maynard 1974-5-26 s.n. Riverside San Jacinto Mtns, Humber Park Trail, about 3 mi from Taquitz Peak 2287 Comment
  CAS-BOT-BC186240  Ribes roezlii var. roezlii Peter H. Raven 1962-5-18 17758 Riverside Road to Indian Hill Canyon 0.6 miles east of Santiago Peak, Santa Ana Mountains 1615 Comment
  CAS-BOT-BC147542  Rosa californica Jenkins; Street 1917-5-30 1951 Riverside San Jacinto [Canon] Canyon Comment
  RSA627501  Rosa californica Scott D. White 1998-7-31 6940 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park; San Jacinto Mts. 1707 Comment
  RSA627520  Rubus parviflorus Scott D. White 1998-7-31 6939 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park; San Jacinto Mts. 1707 Comment
  RSA466039  Rumex acetosella Louis C. Wheeler 1931-10-3 186 Riverside Strawberry Valley, San Jacinto Mountains. 1585 Comment
  UCR213876  Rumex conglomeratus Scott D. White, Justin M. Wood 2008-7-9 12415 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  UCR139044  Rumex hymenosepalus D. L. Banks 1997-3-1 1388 Riverside NW Palomar Mountains, Agua Tibia Mountains, Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and a long Pechanga Creek 335 Comment
  POM13395  Rumex salicifolius E. C. Jaeger 1922-8-22 1019 Riverside Long Valley. 2530 Comment
  UCR137048  Rumex salicifolius A. C. Sanders 2004-5-5 27765 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  SD224912  Sagina apetala A. C. Sanders, G. K. Helmkamp 1996-3-17 17980 Riverside Coachella Valley: Palm Springs, weeds in landscaping of shopping center at SE corner of Raquet Club Dr. and Palm Canyon Dr. 188 Comment
  CAS-BOT-BC445714  Sagittaria latifolia A. C. Sanders; Mitch Provance; T. B. Salvato 2000-10-5 23720 Riverside Santa Ana River Valley: Hidden Valley Wildlife Area, ca. 1/2 mile west of the park office (nature center), near Riverside between La Sierra and Norco. 191 Comment
  UC498790  Salix exigua Mrs. H. P. Bracelin 1932-4-12 601 Riverside 4.8 km. n of Arlington (on rd. to Pedley, w of Riverside, e side of bridge over Santa Ana R., base of embankment either side of hwy.) 240 Comment
  RSA0010968  Salix exigua var. exigua F. M. Reed 1925-3-17 4952 Riverside Tahquitz Canyon - Palm Springs. Comment
  SBBG58912  Salix exigua var. hindsiana F. R. Fosberg 1932-3-13 8078 Riverside Thousand Palms Cyn Comment
  CAS-BOT-BC108110  Salix gooddingii Carl W. Sharsmith 1932-3-20 14 Riverside Foot of east slope of Santa Rosa Mts., in Diablo Canyon, 3 m. above its mouth, near Clary's Coral Reef Ranch, Colorado Desert Comment
  POM361017  Salix gooddingii G. R. Johnstone 1930-4-13 s.n. Riverside 1000 Palms. Comment
  RSA736790  Salix gooddingii Scott D. White, Angelia Carey 2004-7-2 10597 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UCR37445  Salix gooddingii Steve Boyd 1981-4-10 s.n. Riverside Gavilan Hills, Long canyon running from NW/4 of section 2 through the E/2 of section 3 Comment
  CAS-BOT-BC108214  Salix hindsiana Mrs. H. P. Bracelin 1932-4-12 600 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  UCR228874  Salix laevigata A. C. Sanders 2011-4-6 39016 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  UCR232059  Salix laevigata John F. Green 2008-4-23 07- 08 Riverside Peninsular Range, hills south of Perris, powerline route above the San Jacinto River, east of Lantana Dr., south of Ethanac Rd. 439 Comment
  UCR99586  Salix lasiolepis A. C. Sanders, S. Hawkins 1996-4-24 18091 Riverside San Bernardino Mtns, Morongo Indian Reservation, SE edge of Burro Flats in vicinity of natural pond & bog 1159 Comment
  POM362681  Salix lucida subsp. lasiandra H. de Forest, Jack Rempel 1933-10-29 s.n. Riverside Snow Creek Canyon. 549 Comment
  HSC79245  Salsola australis G. K. Helmkamp 1983-10-8 - 23 Riverside TNC Big Morongo Preserve, S of town of Morongo Valley in Big Morongo Canyon, beside the pipeline road in the middle of the TNC owned area 762 Comment
  UCR89887  Salsola paulsenii A. C. Sanders 1992-4-5 12160 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley near Wiley's Well rest area on Hwy I-10, along dirt road to McCoy Spring 125 Comment
  RSA525435  Saltugilia australis Steve Boyd, D. E. Bramlet 1990-4-29 4480 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  SBBG28434  Saltugilia australis D. Myrick 1964-4-30 834 Riverside Palms to Pines Hwy 74, 12 mi W of Palm Desert 1066 Comment
  RSA0093834  Saltugilia latimeri A. C. Sanders 2006-5-13 32282 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. 457 Comment
  RSA0094600  Saltugilia latimeri Mary F. Spencer 1920-4-11 1569 Riverside Palm Springs. Comment
  UCR251976  Saltugilia splendens A. C. Sanders, T. B. Salvato 2014-7-2 41173 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  HSC78534  Salvia apiana J. C. Roos 1965-6-13 Riverside Dos Palmas Spring 915 Comment
  POM49157  Salvia apiana Charlotte M. Wilder 1905-06 627 Riverside Wilder's Canyon, Jurupa Hills. Comment
  UCR139646  Salvia apiana A. C. Sanders 2004-6-30 28387 B Riverside Perris-Aguanga Surface/Menifee Valley Region, Paloma Valley, large rocky hill (1762 ft.) 1 mi. east of Murrieta Rd. and 1 mi. north of Bundy Canyon Rd., c. 5 miles due south of Sun City 518 Comment
  SDSU13903  Salvia clevelandii Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2145 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of wet meadow (El Valle complex). 646 Comment
  POM13462  Salvia columbariae P. A. Munz 1922-5-19 5367 Riverside 5 miles NE of Murietta. 457 Comment
  POM4121  Salvia columbariae M. Alice King 1893-1 s.n. Riverside Menifee. Comment
  UC1228546  Salvia columbariae C. L. Hitchcock and C. V. Muhlick 1962-3-16 22156 Riverside ca 12 mi se Corona; Temescal Canyon Comment
  UCR174041  Salvia columbariae A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32519 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 640 Comment
  UC416703  Salvia eremostachya L. G. Childs 1920-11-26 Riverside Martinez Canyon; Colorado Desert, Santa Rosa Mts. Comment
  UCLA69693  Salvia eremostachya Elizabeth McClintock 1941-5-30 Riverside near Tule Creek; Coyote Canyon Comment
  RSA0043027  Salvia greatae Duncan S. Bell, Loraine Washburn 2014-4-8 6577 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1.25 air miles north northeast of Clemens Well/Bradshaw Trail. 356 Comment
  RSA27574  Salvia mellifera C. L. Hitchcock 1940-4-12 6047 Riverside 8 mi. northwest of Elsinore 457 Comment
  RSA543163  Salvia mellifera Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6093 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  UCR172792  Salvia mellifera Wayne Law, Jun Hu 2000-5-16 14 Riverside Peninsular Ranges; Santa Ana Mtns., Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi south of Corona 396 Comment
  RSA0122708  Salvia vaseyi Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9056 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  SFV3229  Salvia vaseyi P. G. Kilburn 1958-5-16 802 Riverside San Jacinto Mountains 5 miles south of Palm Desert on Palms-Pines Highway (Highway 74). 915 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
  SEINET10869908  Salvia vaseyi A. Evans 1976-4-13 Evans 5190 Riverside Rocky slopes of santa rosa mtns. Comment
  CSUSB699  Sambucus mexicana Conrad Bahre 1970-5-2 Riverside 16 miles east of Riverside along highway 60 in the Bad lands 761 Comment
  RSA180335  Sambucus mexicana E. W. Lathrop 1965-4-4 5626 Riverside 8 miles west of Murrieta-Tenaja Range. Comment
  UCR154445  Sambucus mexicana A. C. Sanders, Mike Misenhelter 2005-6-15 30974 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
  RSA0037336  Sambucus mexicana Bob Rogers 1984-4-21 11 Riverside Collected along trail and bank area on the west side of Strawberry Creek heading upstream. Starting point was 4.9 miles from Cranston ranger station heading East on Hwy.74. 914 Comment
  UCR270170  Sambucus nigra A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42390 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
  SEINET7040185  Sanicula bipinnata A. G. Vestal 1962-3-29 Riverside Canyon south of Murrieta [Sandia Caynon.] Murrieta Quad. UTM Zone 11, 482355mE, 3705515mN. Comment
  RSA85102  Sanicula bipinnatifida J. C. Roos 1952-4-29 5599 Riverside Reche Canyon 457 Comment
  UC337556  Sanicula bipinnatifida unknown 1882-5-16 67 Riverside San Gorgonio Pass Comment
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Mar 9 2011
  UCR102840  Sanicula bipinnatifida A. C. Sanders 1997-4-3 20173 Riverside Lake Skinner area, N edge of large clay patch adjacent to the E side of the Skinner entrance road, c. 1-2 km NE of Borel Road. 473 Comment
  UCR56076  Sanicula crassicaulis Ed LaRue 1989-3-30 s.n. Riverside Peninsular Range, Rancho California area: c. 4 mi west of Temecula, with Ave. del Oro as the N boundary 381 Comment
  CLARK-A1528-1453  Sanicula tuberosa John C. Roos 1950-4-22 4755 Riverside Reche Canyon 761 Comment
  RSA0035179  Sarcostemma M. Bourell 1988-3-28 3511 Riverside Box Canyon, BLM California Conservation Area. E of Mecca on Hwy 195. 150 Comment
  RSA0105293  Schismus arabicus Duncan S. Bell, Sarah DeGroot, Cheryl Sevilla 2015-2-10 7746 Riverside Santa Rosa Mountains; a narrow unnamed canyon about 2 air miles south of La Quinta, and about 5 air miles northeast of the summit of Martinez Mountain. 266 Comment
  RSA777635  Schismus arabicus Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 772 Riverside Mecca Hills, Shaver's Well, Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail 305 Comment
  UCD92909  Schismus arabicus H. E. Parks; S. T. Parks 1940-3-1 s.n. Riverside Santa Rosa Canyon near Indio. Comment
  CLARK-A1656-759  Schismus barbatus Theo Glenn 1979-3-11 Riverside San Jacinto Mountains Comment
  HSC92568  Schismus barbatus Isely, Bragonier 1960-3-22 7196 Riverside Desert Palms. Comment
  RSA709897  Schismus barbatus Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4598 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  RSA774307  Schismus barbatus Duncan S. Bell, The Desert Survivors Organization 2011-4-8 2194 Riverside Northwest section of the Granite Mountains; approximately 1 air mile southeast of junction of Highway 62 and Highway 177. 470 Comment
  SEINET7297410 Image available Schismus barbatus Isely, Bragonier 1960-1 7196 Riverside Desert Palms Comment
  SEINET10519170  Schismus barbatus David B. Dunn 1948-3-14 Dunn 3772 Riverside Grass. Found in flat open sands near Hidden Springs Ranch, 5 mi S of the Indio Hills in the Colorado Desert. Comment
  UCR69790  Schoenoplectus californicus A. C. Sanders, Chet McGaugh 1991-7-19 11149 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
  RSA289824  Schoenoplectus maritimus B. A. Prigge 1980-9-17 4064 Riverside Coachella Valley Stormwater Channel: E of Munroe St., Indio. -3 Comment
  RSA596542  Schoenoplectus maritimus Darin L. Banks, Lauren Raz 1996-8-29 1143 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
  RSA752879  Scirpus microcarpus Orlando Mistretta 2009-7-10 3999 Riverside Santa Ana River Canyon. Vicinity of Camp Round Meadow; 0.40 miles SE of junction of highway 38 and Jenks Lake Rd. 2027 Comment
  UCR59805  Scirpus microcarpus Jeri Hirshberg 1989-7-25 s.n. Riverside Peninsular Range, Marsh near SW edge of Vail Lake Comment
  UCR132918  Scrophularia californica 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
  RSA677  Scutellaria bolanderi subsp. austromontana J. T. Howell 1927-8-2 568 Riverside Road to Hemet, Mt. San Jacinto. 1372 Comment
  LA55084  Scutellaria mexicana Roxana S. Ferris; Ruth P. Rossbach 1938-5-15 9543 Riverside Cottonwood Springs Canyon Comment
  OBI71050  Scutellaria mexicana Larry Kelly, David J. Keil 1988-4-16 55 Riverside Ca. 5 mi from hwy 10 on rd through Ocatillo garden, and cholla patch in Joshua Tree natl Monument Comment
  RSA445339  Scutellaria siphocampyloides M. B. Dunkle 1933-7-20 s.n. Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  UCR193269  Scutellaria siphocampyloides A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35572 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, slope below May Valley Rd. toward meadow on nameless tributary NW of Herkey Crk., north of Bonita Vista Rd. 1585 Comment
  SDSU8013  Scutellaria tuberosa D. F Howe 1947-4-29 1554 Riverside Santa Ana Mts. Comment
  UCR57228  Scutellaria tuberosa 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
  RSA388060  Selaginella bigelovii Steve Boyd 1985-12-24 1195 Riverside Gavilan Hills, Hartford Springs County Park, at south end of park. Comment
  SD138963  Selaginella bigelovii Craig Reiser 1993-3-19 Riverside Near Highway 62 west of Morongo Valley Comment
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Feb 29 2008
  SD187298  Selaginella bigelovii Scott D. White, Angelia Carey 2004-4-16 10178 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 548 Comment
  UCR241487  Selaginella bigelovii Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 238 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  UCR261512  Selaginella bigelovii Joseph Cahill 2011-1-8 111- 23 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, San Juan Loop Trail, c. 0.5 mi. from eastern trailhead off Hwy 74 590 Comment
  UCR41371  Selaginella bigelovii N. M. Fellows 1985-1-5 60 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mtn., 1 mi west of Snow Creek Village 506 Comment
  UC489137  Senecio C. V. Meyer June 1927 212 Riverside foot of Idyllwild Grade San Jacinto Mts. 762 Comment
  SBBG93105  Senecio californicus D. Mitchell 1990-4-30 Riverside W side of Sage Rd, ca. 0.5 mi S of intersection with Wilson Valley Rd 701 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
  JEPS37608  Senecio mohavensis W. L. Jepson 1927-4-12 11656 Riverside Mecca Hills , Painted Canyon (Painted Canyon) 76 Comment
  JOTR35075  Senecio mohavensis La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3527 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocky slopes; above narrow side canyon Comment
  RSA676152  Senecio mohavensis Scott D. White 2001-4-3 8264 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA496133  Senecio vulgaris Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-3-19 3015 Riverside Vail Lake area,1 mile W of Lake 610 Comment
  CLARK-A1656-782  Sesuvium verrucosum Theo Glenn 1982-4-18 Riverside Mecca Comment
  UCR214893  Sesuvium verrucosum A. C. Sanders, Richard Dwerlkotte 2010-3-22 37520 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 1.5 mi. SE of Sidewinder Well, south end of Palen Dry Lake, SW of Palen Mtns. 130 Comment
  RSA651762  Setaria parviflora Diane T. Liggett 1981-5-16 12 Riverside Riverside Freeway (91) east of Gypsum Canyon Road, north to Featherly Park entrance, east ot bike trail, 0.2 km east. Comment
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Jul 14 2013
  RSA0076308  Sibaropsis hammittii Naomi Fraga, Amber Maurice 2005-4-1 1532 Riverside Elsinore Peak on a grassy knoll about 0.5 miles southeast of Elsinore Peak on the crest of the range, north of the Main Divide Road. 976 Comment
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Apr 28 2020
  UCR100569  Sibaropsis hammittii Steve Boyd, T. S. Ross 1992-3-31 6771 Riverside Santa Ana Mtns, Elsinore Peak 1024 Comment
  HSC86949  Sidalcea malviflora B. Pitzer, E. Misquez 1988-2-28 630 Riverside SW of Murrieta, Walker Basin, Avenida del Oro, 2 mi. S of Rancho California Rd. 427 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