Search Results — 2000 specimen records retrieved (1906 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/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SD132533  Abies concolor F. C. Vasek 1977-11-25 771125 12 Riverside San Jacinto Mountains, area around Cincos Posas Spring, below Black Mountain Lookout Comment
  RSA175175  Abronia villosa Robert F. Thorne 1963-3-29 32365 Riverside 5 miles E of Mecca, Mecca Hills. 152 Comment
  RSA788728  Abronia villosa var. aurita Duncan S. Bell 2012-3-8 3151 Riverside Southern section of the Mecca Hills, approximately 2 air miles southeast of where the Coachella Canal and Hidden Springs Canyon cross each other. 68 Comment
  UCR115994  Abronia villosa var. aurita A. C. Sanders, Pam MacKay, E. J. Lawlor, C. L. Sanders 2000-3-19 23315 Riverside Shipley-Skinner Reserve area, Diamond Valley, off old Rawson Rd. north of Crown Valley, on future bed of Diamond Val. Reservoir, now filling 488 Comment
  UCR12006  Abronia villosa var. aurita Coleta A. Lawler 1968-8-18 251 Riverside San Jacinto Mtns., Hwy 74, just south of junction with road leading to Lake Hemet 1311 Comment
  UCR266413  Abronia villosa var. aurita D. E. Bramlet, Fred M. Roberts 2005-6-6 3870 Riverside San Jacinto Valley, San Jacinto River at Sanderson Ave., north of Ramona Expressway 447 Comment
  RSA776934  Abronia villosa var. aurita Amber Swanson, Duncan S. Bell 2011-3-11 217 Riverside Willis Palms loop at boundary of Coachella Valley Preserve, near end of Willis Rd on sides of wash 124 Comment
  RSA726576  Abronia villosa var. villosa Naomi S. Fraga, Sarah J. De Groot, Lisa Rojas, Lel Lubinsky 2005-2-10 1420 Riverside Along Palen Road near Hwy 177. 170 Comment
  UCR219800  Abronia villosa var. villosa Ed Kentner 2010-5-6 113 Riverside Coachella Valley, near Cabazon, c. 250 m SE of the Arrowhead Water bottling plant 475 Comment
  UCR110387  Abutilon theophrasti A. C. Sanders, Mitch Provance 1999-9-26 23105 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
  OBI17153  Acamptopappus sphaerocephalus H. E. McMinn 1935-6-27 4071 Riverside Palms to Pines Highway Comment
  JEPS20084  Achillea millefolium Peter H. Raven with R. Snow 1957-7-26 11108 Riverside just below, in meadow along Banning--Idyllwin Rd. Vista Grande Ranger Station; San Jacinto Mountains Comment
  SBBG65818  Achillea millefolium M. N. Ackley -May-1929 Riverside Tahquitz Lodge 1524 Comment
  CDA28089  Achnatherum coronatum F. J. Willmarth 1962-9-7 Riverside San jacinto Mts.; Garner Ranch, Idyllwild Rd. 0 Comment
  RSA770431  Achnatherum coronatum Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4868 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm)., between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  CAS-BOT-BC260436  Achnatherum hymenoides H. M. Hall 1899-5-24 1163 Riverside San Jacinto Mountains. Van DeVenders 1371 Comment
  RSA577747  Achnatherum hymenoides F. M. Reed 1927-3-19 5671 Riverside Salt Creek Wash, east of Mecca 213 Comment
  RSA801948  Achnatherum latiglume LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6159 Riverside Along road (5S24). End of Marion Ridge road, south of the community of Pine Cove. Ridge running south down to Idyllwild school of performing arts, west of Strawberry Valley. 1799 Comment
  JOTR16771  Achnatherum speciosum Vanderspek & Youse 1964-4-19 s.n. Riverside Joshua Tree National Park. WILSON CANYON Comment
  SD237294  Achyrachaena mollis A. C. Sanders, T. B. Salvato 2011-4-1 38942 Riverside Peninsular Range: Lake Elsinore, SW of Baker St. along dirt branch road to microwave tower, near large water tank on hill. 409 Comment
  CLARK-A1528-2417  Achyronychia cooperi John C. Roos 1937-4-23 2123 Riverside Garnet Comment
  SD137777  Acmispon glaber var. brevialatus Darin L. Banks, Steve Boyd 1995-4-5 161 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove along the Dripping Springs Trail 609 Comment
  UCR265830  Acmispon glaber var. brevialatus Mitch Provance 2012-5-24 512- 12 Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  SBBG3411  Acmispon heermannii var. heermannii H. and M. Dearing 1942-3-17 4833 Riverside Dos Palmas Cyn, near Palms to Pines Hwy Comment
  RSA0047274  Acmispon strigosus J. Mark Porter, Lauren E. Machen 1997-2-15 11417 Riverside North of Interstate 15 at the Lake Street/Walker Canyon exit, 4.4 mi NE of the Hwy 74 exit at Lake Elsinore. 390 Comment
  SD140106  Acmispon strigosus Scott White 1993-4-22 1242 Riverside North Aberhill Ranch, in hills of Walker Canyon 487 Comment
  UCSB18876  Acmispon strigosus Winn, Will 1963-5-4 Riverside County Highway R-1, 13.3 miles N of Lake Fillmore Picnic area 853 Comment
  SD137774  Acmispon wrangelianus Darin L. Banks, Steve Boyd 1995-5-9 319 Riverside NW Palomar Mtns., N of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., the Dorland Mtn area, W of the Dripping Srpings Alcove area, W of Woodchuck Campground. 730 Comment
  SEINET2045687 Image available Acroptilon repens Howard Scott Gentry 1948-6 8176 Riverside Gentry Farm, ca. 3 mi NE of Murrieta. Comment
  JOTR33126  Adenophyllum porophylloides La Doux, Tasha, Mike Bell 2003-10-17 1124 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Wonderland of Rocks; Wonderland Wash, active wash corridor with sandy bottom, surrounded by granitic outcrops and pediments 1310 Comment
  SEINET8722549 Image available Adenostoma fasciculatum Jean Coulson 1959-1 86 Riverside San Jacinto Mts. , Riverside County, California. 0.2 mi. E. of N. Fork of San Jacinto R. , on Highway 74. N. side of road. Comment
  UC859044  Adenostoma sparsifolium E. C. Jaeger 1922-8-20 1005 Riverside n. slope San Jacinto Mt. 1371 Comment
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May 29 2011
  RSA783267  Adiantum aleuticum J. D. Olmsted 1959-11-8 1075 Riverside Fish Fork between sixth and seventh falls 1280 Comment
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Jun 8 2013
  RSA687684  Adiantum capillus-veneris Marjorie D. Clary 1932-6-5 1954 Riverside Eagle Canyon, W side Colo. D. 457 Comment
  RSA741069  Agoseris heterophylla Scott D. White, Justin M. Wood 2008-6-5 12077 Riverside San Jacinto Mountains: Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  UC729550  Agrostis exarata Carl B. Wolf 1932-8-6 3997 Riverside 2 9/10 mi from Idyllwild (on road to Hemet); San Jacinto Mts. 1219 Comment
  RSA384930  Agrostis idahoensis M. B. Dunkle 1933-7-22 3752 Riverside Tahquitz Valley. 2317 Comment
  RSA192237  Agrostis pallens E. W. Lathrop 1960-5-27 5215 Riverside 6 miles west of Murrieta. Comment
  UCR193870  Agrostis pallens A. C. Sanders, Mitch Provance 2008-7-11 35792 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
  UCR96424  Agrostis scabra Scott D. White 1996-8-1 4433 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  UCR2134  Agrostis viridis F. M. Reed 1906-5-26 959 Riverside Riverside. Wastewater ditch on Blaine Street Comment
  RSA593987  Ailanthus altissima D. L. Banks, Elizabeth Hedge Banks 1996-5-2 951 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage. 524 Comment
  POM13322  Aliciella latifolia E. C. Jaeger 1921-04 1086 Riverside Corn Springs, Chuckawalla Mts Comment
  SEINET12509589 Image available Aliciella latifolia A. C. Sanders 1983-1 3803 Riverside Sonoran (Colorado) Desert; E side of the Salton Sea, at the mouth of Salt Creek, 2 mi. north of the Imperial County line along Hwy 111 -70 Comment
  SBBG5869  Aliciella latifolia subsp. latifolia H. and M. Dearing 1940-1-1 4073 Riverside near Painted Cyn, Mecca Comment
  LA206496  Aliciella leptomeria H. Lewis; 1949-3-26 sn Riverside Box Canyon Comment
  RSA776246  Allionia incarnata Duncan S. Bell 2010-3-20 636 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 215 Comment
  JEPS61483  Allium fimbriatum var. fimbriatum W. L. Jepson and H. M. Hall 1901-5-27 1461 Riverside Van Deventer's Ranch San Jacinto Mts., Van Deventer's Ranch Comment
  SD262150  Allium haematochiton Mitch Provance, Jeremiah George, Matt K, Bewyers, John Hazlett 2017-4-10 417 85 Riverside Elisonore Trough: S end of Baker St., east side of inersecton with Bunker St. (Lake Elsinore 7.5'Q) 387 Comment
  RSA559356  Allium lacunosum var. davisiae Steve Boyd 1992-5-15 7386 Riverside Southern Santa Ana Mountains, southeastern flank of Elsinore Peak at Onion Hill , a grassy knoll about 1/4 mile E of radio towers, along old Main Divide Road track 1021 Comment
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Apr 7 2011
  SD136977  Allium lacunosum var. davisiae Steve Boyd, Tim Ross 1992-5-15 7386 Riverside Southern Santa Ana Mts, SE flank of Elsinore Peak at 'Onion Hill', grassy knoll of clay soil ca. Ao mile SE of radio towers, along old Main Divide Rd track. N & W sides of hill in semi-barren scurry zone at contact between grassland & chaparral. 1021 Comment
  RSA0135523  Allium munzii David E. Bramlet 2017-4-13 5258 Riverside West base of Elsinore Peak. 5 miles south of the Ortega Highway, 210 ft. east of the South Main Divide Road, and 78 ft. north of the Elsinore Peak access road. Cleaveland National Forest. 1016 Comment
  RSA785116  Allium munzii Valentin Arvizu 2008-4-17 5 Riverside De Palma Rd. and Indian Truck Trail; Saddleback Estates Preserve Area - USGS Alberhill quad 427 Comment
  RSA784538  Allium peninsulare var. peninsulare J. D. Olmsted 1962-5-2 436 Riverside By saddle just N of highest part of Box Spring Mountains. By road from Pigeon Pass. 777 Comment
  CDA7116  Allium subhirsutum A. C. Sanders 1998-4-12 21752 Riverside Yard of residence at 5081 Magnolia Ave, corner of Chapman Place, Riverside. Comment
  RSA192034  Allophyllum glutinosum H. A. Zuill 1966-6-19 229 Riverside On the Los Alamos Ranch road. Comment
  RSA198991  Alopecurus saccatus R. F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37442 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California 671 Comment
  UCD169471  Alternanthera philoxeroides J. Zamora; Al Acosta 1999-9-29 s.n. Riverside Riverside, Santa Ana River, under the NW end of the Market St. bridge. 244 Comment
  RSA737105  Amaranthus albus Justin M. Wood 2008-10-29 208 Riverside Murrieta Creek- 2 miles SE of Murrieta, open field N of Winchester Rd and between the creek and Jefferson Ave. 314 Comment
  RSA793469  Amaranthus albus Duncan S. Bell 2012-9-13 4193 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  UCR93481  Amaranthus blitoides A. C. Sanders, S. Ogg 1994-7-28 15185 Riverside San Bernardino Valley, Colton & Riverside: Santa Ana River from the Riverside Ave. (N. Main St.) bridge downstream almost to Market St. crossing, both sides of San Bernardino Co. line, but mostly RIV 246 Comment
  RSA782354  Amaranthus palmeri Stephanie Rockwood, Christi Gabriel 2011-10-18 124 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 96 Comment
  SD251167  Amaranthus palmeri Duncan S. Bell, John Anderson, et al. 2013-9-28 6020 Riverside Chuckwalla Valley; ca. 22.25 air miles west of Blythe, south side of Ford Dry Lake, ca. 0.5 air mile southeast of Hopkins Well. 106 Comment
  SD143588  Ambrosia confertiflora R. D. Goeden, D. W. Ricker 1970-4-2 Riverside Moreno Badlands, west of Beaumont, south side of Highway 60, 2 miles west of Jackrabbit Trail 686 Comment
  LA202908  Ambrosia dumosa A. M. Johnson; 1932-3-27 3906 Riverside below [S of] Palm Springs Comment
  OBI23435  Ambrosia dumosa F. Seaman 1972-3-23 76 Riverside On outskirts of Palm Springs on US hwy 111 Comment
  RSA608660  Ambrosia dumosa R. S. Woglum 1937-04 298 Riverside Mojave Desert: Palm Springs. Comment
  RSA784725  Ambrosia dumosa Duncan S. Bell 2012-3-18 3211 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  UC1329946  Ambrosia dumosa James E. Cole 1941-4-13 569 Riverside .5 mi n Meek's Cabin; Joshua National Monument, Pinto Pass Comment
  UC519938  Ambrosia dumosa Joseph Andorfer Ewan 1932-4-8 7029 Riverside near Garnet; Colorado Desert, Seven Palms Comment
  UCR228405  Ambrosia dumosa Thomas R. Stoughton, J. McConnaughy, A. Monks, M. Volke 2010-4-20 143 Riverside Little San Bernardino Mountains, Hwy 177, north of Desert Center and Desert Lily Sanctuary, east of Joshua Tree National Park border 274 Comment
  UCSB7134  Ambrosia dumosa Yokoyama, Howard 1953-3-21 Riverside 9 miles east of Indio Comment
  CAS-BOT-BC30797  Ambrosia ilicifolia Carl B. Wolf 1932-4-27 s.n. Riverside Colorado Desert. 5 mi. E. of Desert Center. No. base of Chuckwalla Mts. 152 Comment
  RSA744236  Ambrosia psilostachya Michael Wall 2009-11-14 498 Riverside Bautista Creek, east of Hemet off Bautista Canyon Rd. ca. 7 miles east of jct. with Fairview Ave. Comment
  CAS-BOT-BC273012  Ambrosia salsola Peter H. Raven 1958-2-15 11577 Riverside Corn Springs, Chuckwalla Mountains Comment
  JEPS30459  Ambrosia salsola Peter H. Raven 1958-1-23 11414 Riverside 2.7 mi w Whitewater Post Office Comment
  UC1279725  Ambrosia salsola David B. Dunn 1946-2-21 3656 Riverside w of Indio (near Pushawalla); Colorado Desert, Indio Hills, Pushawalla Canyon Comment
  UCSB22432  Ambrosia salsola var. salsola Myrick, Donald 1966-4-2 Riverside At upper end of Aqueduct Road, southeast of Desert Hot Springs Comment
  RSA559339  Amorpha californica Steve Boyd, T. S. Ross 1992-5-15 7403 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 670 Comment
  SDSU12992  Amorpha fruticosa Michael G. Simpson 1999-10-27 2023 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  POM47130  Amsinckia intermedia Mary F. Spencer 1918-4-12 845 Riverside Palm Springs. 137 Comment
  POM48531  Amsinckia intermedia F. M. Reed 1925-3-15 4934 Riverside Chicago Ave, Riverside 274 Comment
  SDSU18969  Amsinckia intermedia C. Matt Guilliams 2008-2-21 462 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. 418 Comment
  UC56234 Image available Amsinckia intermedia H. M. Hall 1903-4-1 3852 Riverside vicinity Riverside; Pigeon Pass; Pigeon Pass, vicinity of Riverside 548 Comment
  RSA346792  Amsinckia menziesii R. F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54066 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  UCR103725  Amsinckia menziesii A. C. Sanders, G. Helmkamp 1997-3-15 19982 Riverside Lake Skinner area, NE shore of Skinner Lake, SE foot of Bachelor Mtn., NE slopes of a small hill 473 Comment
  UCR91472  Amsinckia menziesii Scott D. White, M. Jacobsmeyer 1996-4-20 3977 Riverside Perris Basin, Near Perris Airport, c. 100 m north of Case Road, just west of the I-215 Fwy 433 Comment
  UCR172614  Amsinckia retrorsa A. C. Sanders, John F. Green 2006-5-18 32370 Riverside Temecula/Murrieta Region, SE of Murrieta Hot Springs along San Diego Aqueduct and powerline route, south of intersection of Chandler and Suzi Rds. and south of Murrieta Hot Springs Rd., side canyon dropping toward Santa Gertrudis Creek, 1 mile SW of Skunk Hollow 366 Comment
  POM14171  Amsinckia tessellata P. A. Munz, D. Keck 1922-4-12 4903 Riverside Vicinity of Corn Springs, Chuckwalla Mountains Comment
  UCR139717  Amsinckia tessellata B. G. Pitzer 1989-4-16 1303 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, just outside impact area, 1 km south of Tabaseca Tank 700 Comment
  POM153403  Anemopsis californica P. A. Munz, I. M. Johnston 1928-9-12 11302 Riverside Marsh, 1/2 mile N. of Temecula. Comment
  RSA191453  Anemopsis californica E. W. Lathrop, R. F. Thorne 1967-9-26 6637 Riverside 6 miles NW of Murrieta. Comment
  UC1237988  Anisocoma acaulis John Weiler and Roy L. Taylor May 12 1961-May 15 1961 61120 Riverside 100 yds e of bridge over, (feeding Hemet Res. along Hwy 74) Hurkey Creek; Hemet Reservoir Comment
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Mar 24 2011
  POM48634  Antennaria rosea Mary F. Spencer 1919-6-25 1219 Riverside Tacquitz Meadow, San Jacinto Mt. 2378 Comment
  UCR17122  Anthemis cotula A. C. Sanders 1973-5-20 0803 Riverside Perris-Aguanga Basin region, Perris Valley, Rider Road 0.5 mi east of Perris Blvd. 459 Comment
  RSA192076  Antirrhinum coulterianum E. W. Lathrop 1966-5-25 6340 -b Riverside 9 miles NW of Murrieta, Los Alamos Ranch Comment
  RSA425789  Antirrhinum coulterianum R. S. Woglum 1937-5-22 588 Riverside Santa Rosa Mountains, near Santa Rosa Indian Reservation. Comment
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Apr 7 2011
  SEINET7072827  Antirrhinum coulterianum A. G. Vestal 1963-5-19 s.n. Riverside About 1.5 miles northeast of Aguanga on Route 371 [the Cahiulla Road]. Coordinate datum: WGS84/NAD83. (33? deg. 27' 46" North Latitude, -116? deg. 51' 36" West Longitude, Coordinate datum: NAD27.). Comment
  UCR120700  Antirrhinum cyathiferum A. C. Sanders 1978-4-23 DC 149 Riverside Western Colorado Desert, Boyd Deep Canyon Desert Research Center, south of Palm Desert, 0.25 mi SW of Boyd Center (research station) 305 Comment
  RSA425815  Antirrhinum filipes Christopher Davidson 1979-4-4 7716 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  SDSU14193  Antirrhinum nuttallianum subsp. nuttallianum Kristin Andrade, Mike Simpson 2002-4-20 13 Riverside On north side of Santa Margarita river, tenth of a mile from junction of Via Tornado road. Santa Margarita Ecological Reserve Road. 229 Comment
  UCR93825  Antirrhinum nuttallianum subsp. nuttallianum G. R. Ballmer, K. T. Stockwell 1995-6-8 s.n. Riverside Peninsular Range, Warm Springs Creek, Budweiser Ranch, 0.25-1 mi upstream of Los Alamos Road crossing 457 Comment
  OBI40191  Apium graveolens S. Cantrell & W. Appleby, W. Appleby 1985-9-19 s.n. Riverside Santa Ana River Regional park, Riverside. S side of river (R5W, T2S, SW 1/4 sec 30) 207 Comment
  SDSU13000  Apocynum cannabinum Michael G. Simpson 1999-10-27 2030 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  UCR128308  Apocynum cannabinum Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8624 B 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
  POM254321  Arabis pulchra P. A. Munz 1940-3-24 15709 Riverside 2 miles north of Cottonwood Spring, Eagle Mountains. 915 Comment
  UCR18483  Arabis pulchra A. C. Sanders 1978-6-11 00219 Riverside San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  RSA595732  Arceuthobium californicum Louis C. Wheeler 1945-10-6 6148 Riverside San Jacinto Mountains. North fork San Jacinto River, Fuller Mill Creek. 1829 Comment
  RSA629157  Arctostaphylos Jon E. Keeley 1992-7-17 16790 Riverside Road to Thomas Mountain (5S15), 5.2 km north of Toolbox Spring. 1840 Comment
  RSA629372  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16859 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  RSA629471  Arctostaphylos glandulosa Jon E. Keeley 1992-6-16 16834 Riverside Hwy 243, 30 km N of Idyllwild. 1630 Comment
  UCR273485  Arctostaphylos glandulosa A. C. Sanders, Glen Morrison 2016-8-4 42621 Riverside Peninsular Range; San Jacinto Mtns., Hwy 74 below McGaugh Rd., west slope of the mountains at mile post 58.19, below Mountain Center 1311 Comment
  UCR273505  Arctostaphylos glandulosa A. C. Sanders, Glen Morrison 2016-8-4 42602 Riverside Peninsular Range; Santa Ana Mountains, South Main Divide Road, near Elsinore Peak, 0.35 km by road south of road junction to Elsinore Peak towers 998 Comment
  CAS-BOT-BC23117  Arctostaphylos glandulosa subsp. glandulosa Walter Knight; Irja Knight 1985-4-3 6063 Riverside Between Idylwild and Banning on Hwy 243 btween Vista Grande forest station and Hurley Flats road. 1463 Comment
  SDSU18355  Arctostaphylos glandulosa subsp. glandulosa C. Matt Guilliams 2007-6-28 380 Riverside North of city of Escondido, ca. 3 km northwest of Dixon Lake. In Daley Ranch along Rock Ridge Trail. 529 Comment
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Mar 2 2015
  RSA629441  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-16 16554 Riverside Red Mountain Road/Stanley Road, 11.7 km east of R3 on Stanley Road. 975 Comment
  POM254949  Arctostaphylos glandulosa subsp. zacaensis W. Pequegnat 1940-4-13 s.n. Riverside Bedford Road, Santa Ana Mts. 854 Comment
  RSA631731  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19299 Riverside Highway 79, 6 km west of Aguanga. 650 Comment
  RSA631804  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16513 Riverside Red Mountain Road, 1 km east of R3. 820 Comment
  RSA631824  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16607 Riverside Road to Santa Rosa Mtn. (7S02), 0.5 km south of Hwy 74. 1475 Comment
  UC1334957  Arctostaphylos parryana H. A. Jensen 1937-11-5 444 Riverside ridge between Strawberry Valley and Tahquitz Valley; San Bernardino Nat. Forest, San Jacinto Quadrangle 2468 Comment
  RSA633539  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22664 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA633556  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16685 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633633  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Melanie Baer-Keeley 1993-4-23 22655 Riverside Road to Santa Rosa Mountain. 2000 Comment
  RSA633668  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21755 Riverside Dirt road to Santa Rosa Mountain, 8.6 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1940 Comment
  RSA633718  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20127 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633745  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20117 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  POM49832  Arctostaphylos pringlei subsp. drupacea P. A. Munz, I. M. Johnston 1924-7-29 8855 Riverside 5 miles SE of Poppet Flat, San Jacinto Mtns. 1372 Comment
  RSA701750  Arctostaphylos pringlei subsp. drupacea Steve Boyd, Valerie Soza 2004-6-22 11552 Riverside Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along forest service road 5N13 near 5N06. 1463 Comment
  RSA635779  Arctostaphylos pungens Jon E. Keeley 1992-7-17 16727 Riverside Morris Ranch Road (6S06), 0.8 km east east of Highway 74, Garner Valley. 1440 Comment
  RSA635780  Arctostaphylos pungens Jon E. Keeley 1992-7-17 16733 Riverside Morris Ranch Road (6S06), 0.8 km east east of Highway 74, Garner Valley. 1440 Comment
  RSA635800  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16515 Riverside Red Mountain Road, 1.8 km east of R3. 850 Comment
  RSA635813  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16552 Riverside Red Mountain Road, 10.7-11.5 km east of R3. 1050 Comment
  SEINET3101905  Arctostaphylos pungens Marc A. Baker, with Michelle Cloud-Hughes 2011-6-12 17375 Riverside Goff Flat, 5.5km SW of Pyramid Peak Comment
  UC1951125  Arctostaphylos pungens Scott D. White, Justin Wood 2009-5-22 12893 Riverside SAN JACINTO MOUNTAINS: Quinn Flat Meadow. USGS Idyllwild 7.5' Quad. Comment
  RSA636154  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19539 Riverside W of Temecula, N-facing slopes off Carancho Rd., 6 km NW of De Luz, eastern Santa Margarita Mtns. 440 Comment
  RSA636179  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19474 Riverside West of Temecula, off Colman Rd., 0.8 km north of Carancho Rd. and west of De Luz Rd., eastern Santa Margarita Mountains. 590 Comment
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Jun 8 2012
  RSA636180  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19545 Riverside W of Temecula, N-facing slopes off Carancho Rd., 6 km NW of De Luz, eastern Santa Margarita Mtns. 440 Comment
  SD180720  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-2 402 Riverside Santa Margarita Ecological Reserve, along A!Highlands TrailA(r) at northern rim of mesa-top. 654 Comment
  SD180722  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-2 404 Riverside Santa Margarita Ecological Reserve, along A!Highlands TrailA(r) at northern rim of mesa-top. 654 Comment
  SBBG34202  Argemone munita T. L. Secrest 1951-5-18 Riverside San Jacinto River bed near Hemet Comment
  CAS-BOT-BC202504  Argythamnia serrata John Thomas Howell 1928-1-30 3308 Riverside 2 miles e. of Shaver's Well, Colorado Desert Comment
  RSA0043067  Argythamnia serrata Duncan S. Bell, LeRoy Gross 2014-3-20 6265 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  JOTR35359  Aristida adscensionis Harding, Mitzi, M. Wheeler 2011-1-26 144 Riverside Joshua Tree National Park. Pinto Basin, where Chuckwalla Valley meets Pinto Wash, 0.5 mi west of Coxcomb Mountains, sandy burms above large wash (STOP2) 289 Comment
  RSA444312  Aristida adscensionis Walter Wisura 1988-3-1 4182 Riverside Frontage Road, off I-10, near pumping station in Pinkham Wash area. Comment
  RSA717652  Aristida adscensionis Scott D. White, Pam DeVries 2006-3-14 11251 Riverside North of the I-10 Freeway a few mi east of Indio, at proposed I-10 / McNaughton Parkway interchange. 91 Comment
  RSA719236  Aristida adscensionis Michael Honer, L. Hulse 2004-4-3 1916 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. 610 Comment
  RSA795810  Aristida adscensionis C. P. Cowan 1978-4-23 1171 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. 570 Comment
  UCR211473  Aristida adscensionis Tasha La Doux, Jim Andre 2008-9-13 273 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park, at base of Bell Mountain (NW end) at 'Pinto Y' maintenance service area 1104 Comment
  UCR229271  Aristida adscensionis Ginny Short 2011-3-26 s.n. Riverside Sonoran (Colorado) Desert, Thousand Palms Canyon Rd., c. 9 miles due east of Cathedral City 183 Comment
  RSA28051  Aristida adscensionis var. abortiva I. L. Wiggins 1941-3-27 9676 Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  SEINET3004951  Aristida californica G. Rink 2011-3-9 10375 Riverside Palo Verde Solar Site, southwest of Blythe 91 Comment
  RSA0094182  Aristida purpurea var. nealleyi Jim M. Andre 2012-4-11 20698 Riverside Little San Bernardino Mountains; Hidden Tank Picnic Area, 1.4 mi. SW of paved road (Utah Trail) to Cottonwood Spr, approx. 8 mi. south of North Entrance Sta., N. end of Hexie Mtns. 1076 Comment
  RSA309652  Aristida purpurea var. parishii J. C. Roos 1966-4-29 s.n. Riverside Hills between March AFB and Lakeview. Comment
  CAS-BOT-BC90196  Artemisia californica David B. Dunn 1946-2-22 1951 Riverside on north side of Whitewater Canyon. Colorado Desert Comment
  SD229062  Artemisia californica Dick Schwenkmeyer 2012-10-16 845 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 505 Comment
  SEINET7048062  Artemisia californica Steven R. Hill 2001-4-29 33539 Riverside Whitewater Canyon, east side of canyon, east of Whitewater Canyon Road, about 2 miles north of Route I-10. Elevation about 1800 feet. Comment
  RSA192012  Artemisia douglasiana H. A. Zuill 1966-7-26 301 Riverside About 7.5 miles SW of Murrieta. Comment
  UCR67004  Artemisia douglasiana S. J. Myers 1990-12-10 s.n. Riverside Santa Ana River Valley, Louis Rubidoux Nature Center: along the drainage that connects to the Sunnyslope channel and to the confluence with the Santa Ana River 214 Comment
  SD137912  Artemisia dracunculus Darin L. Banks, Steve Boyd 1995-10-17 771 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; along lower Arroyo Seco. 515 Comment
  RSA90135  Artemisia dracunculus E. K. Balls, Percy C. Everett 1953-8-19 18531 Riverside On Hwy from Banning to Idyllwild, SE from Lake Fullmore. 1677 Comment
  CAS-BOT-BC93734  Artemisia ludoviciana subsp. albula Louis C. Wheeler 1933-12-2 2296 Riverside Mouth of Tahquitz Canyon, San Jacinto Mts. 152 Comment
  UCR106335  Artemisia ludoviciana subsp. albula John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  UCR97265  Artemisia ludoviciana subsp. albula Bern Schwenn 1994-9-18 s.n. Riverside Little San Bernardino Mtns., E end of range to SW of Pleasant Valley, on summit of Bernard Peak 1646 Comment
  RSA741735  Artemisia ludoviciana subsp. ludoviciana Michael Wall 2008-10-3 490 Riverside Bautista Creek, east of Hemet off Bautista Canyon Rd. ca. 7 miles east of jct. with Fairview Ave. 758 Comment
  RSA588758  Artemisia tridentata subsp. tridentata Darin L. Banks, Steve Boyd 1995-10-26 0836 Riverside NW Palomar Mountains; Agua Tibia Mountains; Along the Woodchuck Road, N of Woodchuck Campground; Approximately 0.15 miles from Hwy. 79, along a small drainage that crosses the road. 518 Comment
  UC1782174  Artemisia vulgaris O. F. Clarke 2000-12-9 Riverside O. F. Clarke residence, 266 Frost Court 360 Comment
  RSA401680G  Asclepias eriocarpa N. C. Cooper 1944-7-15 1557 Riverside Palms to Pine Hwy 1463 Comment
  UCSB4928  Asclepias eriocarpa Kamb, Peter 1948-7-10 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  RSA401231  Asclepias erosa A. Menke 1955-4-27 s.n. Riverside 33 miles E of Desert Center. Comment
  UCR72211  Asclepias subulata Theo Glenn 1991-5-2 91- 126 Riverside Sonoran (Colorado) Desert, Arica Mtns., SW of Rice 340 Comment
  RSA0061163  Asphodelus fistulosus Robt. Allen 2009-4-3 s.n. Riverside Santa Ana Mountains region: Near community of El Cariso. Along South Main Divide Road, 515 air meters(0.32 air miles) southeast of junction with Ortega Hwy (SR74). 843 Comment
  RSA639701  Aster subulatus var. ligulatus Scott D. White 1998-12-2 7198 Riverside Temescal Canyon - Lake Elsinore area. 365 Comment
  CAS-BOT-BC478064  Asteraceae A. J. McC 1892-5-1 s.n. Riverside Lake Elsinore Comment
  JEPS48853  Astragalus crotalariae Marjorie D. Clary 1932-3-25 953 Riverside Conchilla Desert Comment
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Sep 14 2011
  CAS-BOT-BC182588  Astragalus didymocarpus var. dispermus John Thomas Howell 1928-3-11 3440 Riverside 6 miles se. of Garnet Station, Coachella Valley, Colorado Desert 152 Comment
  RSA415475  Astragalus didymocarpus var. dispermus Anstruther Davidson 1893-4-10 s.n Riverside Palm Springs. Comment
  UCR208881  Astragalus didymocarpus var. dispermus F. W. Peirson 1922-4-29 2939 Riverside Peninsular Range, Dripping Spring, near Temecula River 457 Comment
  UCR155056  Astragalus douglasii Jason L. Hlebakos 2005-5-30 816 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  CAS-BOT-BC178453  Astragalus douglasii var. parishii H. M. Hall 1899-6-1 1158 Riverside Van de Venter's, San Jacinto Mountains 1371 Comment
  RSA605935  Astragalus douglasii var. parishii R. S. Woglum 1937-5-22 571 Riverside Santa Rosa Mountains. Comment
  UC1608238  Astragalus gambelianus Steve Boyd 1992-4-14 6817 Riverside western edge of Oak Flats area along Bluewater Tr. from Verdugo Tr. s to crest of ridge w side Bluewater Cyn (San Mateo Cyn Wilderness Area, Santa Ana Mtns); Santa Ana Mtns, San Mateo Cyn Wilderness Area 731 Comment
  CAS-BOT-BC187106  Astragalus lentiginosus var. borreganus H. M. Hall 1905-4-1 5757 Riverside Whitewater, Colorado Desert Comment
  UCR246555  Astragalus lentiginosus var. borreganus Duncan S. Bell 2009-4-18 212 Riverside Arica Mountains, NW of range, c. 1.6 air miles south of Hwy 62 and c. 0.4 air mi. N of California aqueduct 389 Comment
  SBBG47488  Astragalus lentiginosus var. floribundus M. B. Dunkle 1935-3-17 4402 Riverside Desert Center 609 Comment
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Apr 5 2011
  CAS-BOT-BC194201  Astragalus pachypus Parish 1881-1-1 1134 Riverside Temecula Canyon Comment
  RSA90749  Astragalus pachypus var. jaegeri F. W. Peirson 1922-4-29 2950 Riverside 1 mile or more south of Dripping Springs, Temecula River 518 Comment
  RSA0100143  Astragalus palmeri Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8583 Riverside Santa Rosa Mountains; on a small ridge/summit area just to the south of the summit of Santa Rosa Mountain. 2438 Comment
  RSA415418  Astragalus palmeri Mark Morris 1929-3-17 14926 Riverside Palm Canyon. Comment
  SEINET887640  Astragalus palmeri George Helmkamp, E. A. Helmkamp 1998-1 3379 Riverside Santa Rosa Mountains: Pinyon Pines along CA-74 between the San Jacinto and Santa Rosa Mountains. 1296 Comment
  CAS-BOT-BC194143  Astragalus pomonensis Marcus E. Jones 1900-7-13 s.n. Riverside Dripping Spring, near Temecula 365 Comment
  CAS-BOT-BC194174  Astragalus pomonensis T. Winfield 1975-5-9 2425 Riverside Goetz Rd ~ 2 m N Sun City, 1 m S Ethanic Rd. Comment
  SBBG3248  Astragalus sabulonum H. and M. Dearing 1938-3-5 1977 Riverside between Blythe and Desert Center Comment
  CLARK-A1528-2298  Athysanus pusillus John C. Roos 1967-2-25 Riverside Box Springs Mountains Comment
  RSA699820  Athysanus pusillus Scott D. White, Michael Honer 2003-4-4 8929 Riverside Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  UCR111990  Atrichoseris platyphylla A. C. Sanders, T. B. Salvato 2000-4-27 23371 Riverside Coachella Valley, east side of Coachella Canal near the foot of the Mecca Hills, vicinity of the east end of Ave 60 15 Comment
  RSA0018888  Atriplex Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6024 Riverside Chuckwalla Valley; approximately 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well. 107 Comment
  UCR121192  Atriplex argentea D. E. Bramlet 1989-7-6 1936 Riverside Auld Creek west of the Lake Skinner Dam; c. 1,000 ft. NE of the intersection of Washington St. and Auld Road. 423 Comment
  UCR277927  Atriplex argentea Mitch Provance 2012-11-19 1112- 01 Riverside San Timoteo Canyon, just southeast of the SCE El Casco Substation, on the south side of San Timoteo Canyon Rd./Oak Valley Parkway 643 Comment
  POM575925  Atriplex argentea subsp. expansa Steve Boyd, D. L. Banks 1994-9-29 8365 Riverside Floodplain E of dike along San Jacinto River, W of Sedco Hills community. 381 Comment
  POM278731  Atriplex canescens Grant D. Brown 1950-12-2 585 Riverside Cajalco Resevoir, SE; Cajalco Canyon. 442 Comment
  RSA452378  Atriplex canescens Ora M. Clark 1929-3-17 1744 Riverside N. La Quinta, Colorado Desert. Comment
  CAS-BOT-BC170209  Atriplex canescens subsp. canescens H. S. Gentry 1954-7-24 14249 Riverside Aguanga Comment
  JOTR30934  Atriplex canescens subsp. canescens La Doux, Tasha, E. Babich, M. Brown 2008-9-30 1354 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Valley, near Lost Horse Ranger Station; active wash near base of granitic outcrops 1250 Comment
  CLARK-A1045-344  Atriplex canescens subsp. linearis George K. Helmkamp 1977-11-6 Riverside Salton Sea Salton Sea State Recreation Area; Salt Creek Campground area; between the highway and the Sea, just north of Salt Creek; Durmid 7.5'Q Comment
  SEINET1911480  Atriplex canescens var. laciniata Carl B. Wolf 1932-1 4316 Riverside Caleb (Southern Pacific Railway siding), 4.5 miles SE of Mecca, Colorado Desert. Lower Sonoran zone. 61 Comment
  RSA0092691  Atriplex coronata var. notatior D. E. Bramlet, Michelle Balk, R. E. Riefner Jr. 2006-4-3 3924 Riverside Perris-Aguanga Basin Region; San Jacinto Valley: west Hemet area, north of Stetson Ave. and east of the EMWD canal. 456 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
  UCR123695  Atriplex coronata var. notatior D. E. Bramlet 2000-5-18 3053 Riverside 122 m west of the San Jacinto River and 2 km north of Nuevo Road, 229 m northwest of the end of 12th St. 431 Comment
  POM12995  Atriplex coulteri P. A. Munz, J. M. Johnston 1922-5-21 5544 Riverside San Jacinto [Mystic] Lake near Moreno. Comment
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Feb 3 2015
  SD262261  Atriplex hymenelytra A. C. Sanders, Jim Malusa 2017-1-15 42664 Riverside Sonoran (Colorado) Desert: Orocopia Mountains, wash below Canyon Spring in side canyon off Salt Creek, c. 1.5 miles below Red Canyon confluence. 345 Comment
  RSA125960  Atriplex lentiformis E. K. Balls, P. C. Everett 1957-11-5 s.n. Riverside Just S. of Thermal, State Hwy. 111 30 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
  RSA532584  Atriplex serenana var. davidsonii D. Bramlet 1991-6-20 2200 Riverside San Jacinto Wildlife Area. Approximately 8 m. E of Davis Road and some 150 m. N of the San Jacinto River levee. Old Riverbed area beside the existing channelized area of the San Jacinto River. 475 Comment
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Jan 16 2013
  UCR206019  Atriplex serenana var. serenana John F. Green 2009-7-13 s.n. Riverside Peninsular Range, Elsinore Trough, NE side of the city of Lake Elsinore, east side of Pasadena St. north of Central Ave. 384 Comment
  RSA776276  Avena barbata Thomas Stoughton, Christi Gabriel, Stephanie Rockwod 2011-3-29 881 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 793 Comment
  UCR121330  Avena fatua A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 24989 Riverside The Badlands, marble outcrop on ridge about 1/2 mile east of Mt. Eden, above Laborde Canyon, SW of Beaumont 670 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
  POM11740  Azolla filiculoides Philip A. Munz 1922-4-29 5109 Riverside Lancaster Valley, s. of Hemet 457 Comment
  POM68496  Baccharis emoryi Marcus E. Jones 1925-4-24 s.n. Riverside Thousand Palms Comment
  CAS-BOT-BC106744  Baccharis salicifolia Geo. B. Grant 1898-3-16 s.n. Riverside Riverside Comment
  RSA774511  Baccharis salicifolia Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4463 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
  UC1118927  Baccharis sarothroides R. St. John 1931-1-20 174 Riverside Mt. Rubidoux Elsinore Quad., Santa Ana River 274 Comment
  SEINET10859137  Baccharis sarothroides A. K. Evans 1976-4-13 Evans 5211 Riverside Desert canyons of Santa Rosa Mountains. Comment
  JEPS21312  Baccharis sergiloides W. L. Jepson 1928-4-25 12568 Riverside Eagle Mountains, Cottonwood Springs 731 Comment
  CLARK-A1528-1641  Bahia dissecta John C. Roos 1946-8-27 2923 Riverside Santa Rosa Mountains 2285 Comment
  POM350685  Baileya pleniradiata N. C. Cooper 1949-4-9 3326 Riverside Blythe. 81 Comment
  POM248394  Bassia hyssopifolia Philip Crow 1939-7-4 s.n. Riverside Blythe. Comment
  RSA450419  Bebbia juncea J. C. Roos 1965-6-19 s.n. Riverside Skyline Drive, S of Corona Comment
  RSA516869  Bebbia juncea Steve Boyd, Thomas S. Elias, B. Roy, S. Meury, S. Zona 1986-3-5 1342 Riverside Mecca Hills: Box Canyon, along Hwy 195 Comment
  RSA6111  Bebbia juncea C. B. Wolf 1932-5-24 3651 Riverside 0.5 mile below the Fish Hatchery, Snow Creek, north base of San Jacinto Mountains 549 Comment
  SEINET3862256  Beloperone californica Lewis S. Rose 1946-12-24 46304 Riverside Palm Springs, Tahquitz Canyon Wash.; 0 139 Comment
  OBI37435  Berberis aquifolium var. dictyota A. C. Sanders 1981-7-11 2212 Riverside San Jacinto Mts. Live Oak spring at the head of Live Oak cyn. which is a tributary to Palm Cyn. T6S, R4E, sec 27 1676 Comment
  RSA0092855  Bergia texana D. E. Bramlet 2005-7-13 3893 Riverside Perris-Aguanga Basin Region; San Jacinto Valley: San Jacinto Wildlife Area, east of old San Jacinto River channel, margin of flooded ponds. 433 Comment
  SEINET238479 Image available Bergia texana A. C. Sanders, Mitch Provance 1999-9-26 23132 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd. 1.4 mi. S of Eden 433 Comment
  UCR89779  Bergia texana Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  UCR122747  Bernardia myricifolia George K. Helmkamp, E. A. Helmkamp 1998-4-24 3386 Riverside Santa Rosa Mountains, Palms-to-Pines Hwy (Calif. Hwy 74), 1 mi north of Carrizo Rd near Black Hill 1006 Comment
  UCR23594  Bernardia myricifolia John C. Roos 1946-9-14 3024 Riverside Santa Rosa Mtns, Dos Palmas Spring, east of Asbestos Mountain 1070 Comment
  UCR114010  Bidens frondosa Mitch Provance 2000-6-24 2052 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  RSA627850  Bloomeria crocea A. C. Sanders 1994-5-30 14597 Riverside San Bernardino Mountains: NNE of Beaumont at Highland Springs. 950 Comment
  JEPS53176  Boechera californica Carl V. Meyer Jun 1927 169 Riverside Idyllwild-Keen Camp Road San Jacinto Mts. 1524 Comment
  CAS-BOT-BC16256  Boechera glaucovalvula Philip Alexander Munz 1949-4-11 13019 Riverside Mohave Desert. North base of Eagle Mountains. Near Conejo Well. 914 Comment
  JOTR33811  Boerhavia coccinea La Doux, Tasha, B. Truesdell 2007-11-9 3328 Riverside Joshua Tree National Park. Eagle Mountains; south of Munsen Canyon, canyon parallel to and east of Lost Palms Canyon along south park boundary (STOP 4) 649 Comment
  SEINET6049526  Boerhavia coulteri Unknown 17074 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  CAS-BOT-BC434531  Boerhavia intermedia F. H. Lewis 1939-10-23 1043 Riverside Pines to Palms Hiway, Colorado Desert 304 Comment
  JOTR32410  Boerhavia triquetra var. intermedia Harding, Mitzi, T. Herskovits, D. Shade 2011-8-11 2 Riverside Joshua Tree National Park. Valley west of Pinto Mountains along Rte 11; Belle Campground; Gravelly flats with granitic boulder outcrops 1154 Comment
  UCR280423  Boerhavia triquetra var. intermedia Onkar Singh 2015-11-9 5606 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, c. 5 km east of Eagle Mountain Mine 284 Comment
  JOTR30290  Boerhavia wrightii La Doux, Tasha, Bill Truesdell 2006-10-3 1785 Riverside Joshua Tree National Park. Pinto Basin: (Stop 2) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 694 Comment
  POM259506  Boerhavia wrightii E. C. Jaeger 1939-12-1 s.n. Riverside Orocopia Mountains 366 Comment
  RSA778406  Boerhavia wrightii Stephanie Rockwood, Christi Gabriel 2011-10-5 66 Riverside Alligator ACEC. Desert Center Exit off I10. Follow route to Granite Mine. 399 Comment
  SBBG1878  Boerhavia wrightii H. and M. Dearing 1937-11-4 205 Riverside Corn Spring Comment
  SEINET2043231 Image available Boerhavia wrightii Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Colorado/Sonoran Desert: Canyon Spring, Orocopia Mountains (Red Canyon Quad 7.5') 372 Comment
  SEINET3092325 Image available Boerhavia wrightii A. C. Sanders 1989-9-20 9514 Riverside Chocolate Mountains Aerial Gunnery Range: Tabaseca Tank, in the extreme northern end of the Chocolate Mountains. 610 Comment
  UCR33578  Boerhavia wrightii Sears 1977-10-10 S 525 Riverside Sonoran (Colorado) Desert, 10 mi NE of Desert Center, base of Coxcomb Mtns 171 Comment
  UCR442  Bolboschoenus maritimus subsp. paludosus O. F. Clarke 1970-9-24 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River bottom just east of the old Salt Lake RR Bridge 216 Comment
  UCR26656  Bothriochloa barbinodis E. W. Lathrop 1966-3-23 6086 Riverside Peninsular Range; Santa Ana Mtns, Skyline Drive, 4 mi west of Corona between Tin Mine Canyon and Santiago Peak 610 Comment
  JOTR30300  Bouteloua aristidoides var. aristidoides Andre, Jim, Tasha La Doux 2007-9-6 8706 Riverside Joshua Tree National Park. On dirt road to Lost Horse Ranger Station, below Hemingway Buttress 1236 Comment
  POM161550  Bouteloua barbata Ralph Hoffmann 1929-9-11 s.n. Riverside Thomas Valley, San Jacinto Mountains. Comment
  POM266615  Bouteloua barbata J. C. Roos 1937-8-20 1227 Riverside Blythe Comment
  UCR23973  Bouteloua curtipendula John C. Roos 1946-8-27 2786 Riverside Santa Rosa Mountains, Pines to Palms Road[Vandeventer Flats], near Pinyon Flats 1372 Comment
  UCR234284  Bowlesia incana A. C. Sanders, John F. Green 2012-4-6 40012 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, along Temescal Cyn. Rd., between Campbell Ranch Rd. and Glen Ivy Electrical Substation, west of I-15 Fwy, c. 10 miles south of Corona 327 Comment
  JOTR16657  Brandegea bigelovii Wilburn and Walters 1967-3-7 s.n. Riverside Joshua Tree National Park. LOWER WILSON CANYON Comment
  RSA0043066  Brandegea bigelovii Duncan S. Bell, LeRoy Gross 2014-3-20 6266 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  RSA394253  Brandegea bigelovii Robert Gustafson 1978-3-21 842 Riverside Joshua Tree National Monument, about 3 miles north on the road leading through the park and Hwy 70. 640 Comment
  UCR242305  Brandegea bigelovii A. C. Sanders, T. B. Salvato 2012-10-12 40431 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Wileys Well Rd. c. 3 miles north of Wileys Well/ Bradshaw Trail 155 Comment
  UCR94241  Brassica geniculata Scott D. White 1996-4-14 3906 Riverside Perris Basin/San Jacinto Mtns., E of Hemet: San Jacinto River Wash near Valle Vista, north of Hwy 74, c. 1.7 mi west of USFS Cranston Fire Station 549 Comment
  RSA0084265  Brassica nigra B. Pitzer, Karen Kirtland 1986-5-6 263 Riverside Weedy field 1.5 mi. SE of Murrieta along Murrieta Creek; bounded on N by Fig St., on S by Elm St., on E by Adams Ave., & on W by Jefferson Ave. 316 Comment
  RSA0123356  Brassica tournefortii Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9048 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  UCR60708  Brassica tournefortii R. F. Thorne, M. Z. Thorne 1973-3-30 42671 Riverside Sonoran (Colorado) Desert, Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs; [vicinity of Hwy 62 crossing of Mission Creek] 488 Comment
  RSA618764  Brassica tournefortii L. C. Wheeler 1976-3-30 s.n. Riverside San Jacinto Mountains: Snow Canyon. 457 Comment
  CAS-BOT-BC106344  Brickellia atractyloides var. arguta Frank W. Peirson 1928-4-24 7900 Riverside Cottonwood Spring Comment
  LA210524  Brickellia desertorum John C. Roos; Lucille Roos 1950-9-30 4995 Riverside rocky hills midway between Steele Park and Elsinore, about 3 mi N of Elsinore 487 Comment
  UC527701  Brickellia desertorum C. B. Wolf 1931-10-14 Riverside 1/2 mi below the Fish Hatchery (n base of San Jacinto Mts., Snow Creek); Snow Creek 548 Comment
  UCD129645  Brickellia oblongifolia var. linifolia J. C. Roos 1946-8-27 2917 Riverside Santa Rosa Mountain. 1371 Comment
  RSA745531  Brodiaea santarosae Tom Chester, W. P. Armstrong 2006-6-10 921 Riverside Santa Rosa Plateau Ecological Reserve; Via Volcano Road immediately west of the northernmost of two vernal pools 634 Comment
  RSA679169  Brodiaea terrestris subsp. kernensis Fred M. Roberts 2003-6-1 5883 Riverside Elsinore Mtns., Elsinore peak, 0.2km SW summit. 1075 Comment
  RSA740623  Brodiaea terrestris subsp. kernensis Scott D. White, Justin M. Wood 2008-7-8 12377 Riverside Hurkey Creek Watershed- Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  RSA771882  Brodiaea terrestris subsp. kernensis Steve Boyd 2010-5-28 12284 Riverside Elsinore Peak, just south of trail along old Main Divide Road at easternmost clay knoll east of main peak 1000 Comment
  RSA570547  Bromus arenarius Steve Boyd, Chris Frazier 1993-4-24 8006 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck rd. 792 Comment
  CAS-BOT-BC149332  Bromus arizonicus H. M. Hall 1905-1-1 5980 Riverside Colorado Desert. Comment
  UCD59125  Bromus carinatus var. marginatus Peter H. Raven 1958-5-18 12977 Riverside State Highway 74, 5.9 miles northwest of road to Aguanga, San Jacinto Mountains. Comment
  UCR88229  Bromus catharticus A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16073 Riverside Sonoran (Colorado) Desert, Coachella Valley, agricultural area along Ave. 78, 0.4 mi west of Hwy 86 and1.5 mi NW of Oasis, east of Filmore St. -37 Comment
  UCR102758  Bromus diandrus B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3581 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  RSA0064521  Bromus diandrus Starr Streight 1982-4-17 25 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  SEINET239051 Image available Bromus grandis George K. Helmkamp 1998-6-27 4118 Riverside Sana Rosa Mountains. 5.8 miles southeast of highway 74 along Santa Rosa Mountain road (=Santa Rosa Truck Trail = F.S. Rd. 7S02), below Mountain Home Spring 1799 Comment
  RSA741211  Bromus hordeaceus Scott D. White, Justin M. Wood 2008-5-15 11988 Riverside Johnson Meadow. 1415 Comment
  RSA678941  Bromus madritensis Scott D. White, Michael Honer 2003-6-3 9485 Riverside Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  VVC553  Bromus madritensis subsp. rubens A. C. Sanders, J. Mac 1997-5-4 20639 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  POM363956  Bromus rubens N. C. Cooper 1944-3-24 1013 Riverside Banning. 701 Comment
  SEINET3856755 Image available Bromus tectorum A. C. Sanders, T. B. Salvato 2011-3-30 38894 Riverside Peninsular Range: city of Lake Elsinore, N of Pasadena St. c 0.35 km NW of Central Ave. intersection 385 Comment
  JOTR30313  Bromus trinii La Doux, Tasha, Bill Truesdell, Erin Babich 2008-3-10 1746 Riverside Joshua Tree National Park. Stop # 3 Northwest end of Eagle Mountains, near road leading to Cottonwood Canyon. 898 Comment
  UCR23968  Bromus trinii John C. Roos 1942-5-2 1120 Riverside Little San Bernardino Mountains, Live Oak Tank 1280 Comment
  JOTR31863  Caesalpinia virgata La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2119 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  RSA498303  Caesalpinia virgata Robert L. Dressler 1949-3-19 394 Riverside Box Canyon, Orocopia Mts. Comment
  RSA768416  Caesalpinia virgata Jim Andre, Tasha La Doux 2009-2-28 10842 Riverside Coachella Valley: Along lower Berdoo Canyon Road (dirt), approx. 1.5 miles north of Dillon Road, and just south of Joshua Tree National Park boundary. 313 Comment
  RSA777724  Caesalpinia virgata Jim Andre, G. L. Clifton 2011-2-22 17426 Riverside Mecca Hills; along Box Canyon Road, 8.5 miles NE of town of Mecca 171 Comment
  UCR166540  Caesalpinia virgata Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10878 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  CAS-BOT-BC438490  Calandrinia ciliata A. C. Sanders; T. B. Salvato 2001-3-30 23874 Riverside Perris-Aguanga Basin region: Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon W of junction of Av. Pina Colada. 366 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
  SD186307  Calandrinia ciliata Andy C. Sanders 2004-4-20 27566 Riverside Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  UCR172199  Calandrinia ciliata John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley: Leon Road (San Diego Aqueduct right of way) from Borel Road/Tucalota Creek S for c. 0.25 mi 427 Comment
  UCR43790  Callitriche heterophylla subsp. bolanderi R. F. Thorne, W. Wisura, E. W. Lathrop, S. Meury 1985-5-18 60638 Riverside Peninsular Ranges/Santa Ana Mtns, Santa Rosa Plateau: along seasonal stream in Cole Canyon, near entrance to the Nature Conservancy Reserve 534 Comment
  CAS-BOT-BC85766  Calocedrus decurrens George B. Grant 1901-1-1 691 Riverside San Jacinto Mountains, S. Cal. 914 Comment
  RSA641301  Calochortus palmeri var. munzii Orlando Mistretta, Mark Elvin 1995-6-19 1779 Riverside San Jacinto Mountains: Highway 74. 1264 Comment
  CAS-BOT-BC132463  Calochortus plummerae Carl B. Wolf 1932-5-25 3696 Riverside [Bad Lands] Badlands, SW. of Beaumont, 1 1/2 mi. SW. of summit of Moreno Grade 548 Comment
  UCR20785  Calochortus splendens A. C. Sanders, Steve Boyd 1980-5-2 1417 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR216952  Calochortus weedii var. intermedius Kim Sparks, Rose Cook 2010-6-10 15 Riverside Perris-Aguanga Basin, French Valley, Warm Springs, about halfway between Big Dipper Way and the creek. 402 Comment
  SEINET197558  Calycoseris parryi Helen K. Sharsmith 1952-4-10 4060 Riverside Joshua Tree National Monument ; Smoke Tree Wash about 5 miles northeast of Cottonwood Springs. 853 Comment
  RSA554368  Calycoseris wrightii Theo Glenn 1992-3-31 92 -14 Riverside N side Eagle Mts, Storm Jade Mine. Comment
  UCR148456  Calycoseris wrightii S. J. Myers 2005-1-31 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 10 miles ESE of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 20 Comment
  UCR182999  Calyptridium monandrum Mitch Provance 2003-5-5 4423 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCR216353  Calyptridium monandrum Mike Bell 2008-3-19 043 Riverside Sonoran (Colorado) Desert, Coachella Valley; 2 miles west of Desert Hot Springs, off Ruby Dr./13th (dirt track) between North Indian Canyon Dr. and Western Ave. 352 Comment
  UCR120957  Calystegia macrostegia A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23887 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  UCR215624  Calystegia macrostegia subsp. arida Crystal Sheehan 2010-5-10 48 Riverside Peninsular Range; Gavilan Hills Region, Lake Mathews Reserve, c. 1/4 mi. south of 13225 Cajalco Road, south of Lake Mathews, c. 0.4 mi. SE of intersection of Cajalco Rd. and La Sierra Ave. 429 Comment
  RSA2595  Camissonia bistorta J. T. Howell 1928-7-9 1059 Riverside Temescal Canyon, 6 miles south of Glen Ivy 335 Comment
  RSA465930  Camissonia bistorta Ora M. Clark 1929-2-23 1664 Riverside near Whitewater Comment
  UCR112094  Camissonia brevipes A. C. Sanders, T. B. Salvato, Mitch Provance 2000-4-25 23361 Riverside Coachella Valley, east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles east of Thermal 15 Comment
  RSA0021215  Camissonia brevipes subsp. brevipes Peter H. Raven 1958-3-16 11865 Riverside Colorado Desert, one plant with parents, sandy wash. Fried Liver Wash, Pinto Basin, Joshua Tree National Monument. Comment
  RSA144673  Camissonia californica William M. Klein 1958-2-11 43 Riverside Along highway 99 [Hwy 86], 2.8 miles NW of the Riverside-Imperial County line, on shoulder of road. Comment
  RSA175070  Camissonia californica Robert F. Thorne 1963-3-29 32411 Riverside Colorado Desert, desert wash, 9 miles E of Mecca, Mecca Hills 152 Comment
  RSA272059  Camissonia californica Lyman Benson 1933-3-31 4179 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  UC147303  Camissonia campestris subsp. campestris H. M. Hall April 1897 442 Riverside vicinity of Winchester 457 Comment
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Mar 20 2011
  RSA75388  Camissonia cardiophylla F. W. Peirson 1917-4-1 787 Riverside Along south edge of Colorado Desert embayment east of Palm Springs, above ''Garden of Eden'. Comment
  UCR168277  Camissonia cardiophylla M. B. Dunkle 1933-3-4 3048 Riverside Sonoran (Colorado) Desert, Painted Canyon 91 Comment
  SEINET10492051  Camissonia cardiophylla David B. Dunn 1948-2-21 Dunn 3665 Riverside Pushawalla; a rain about two weeks earlier in wash. Hills still quite dry. Comment
  HSC78592  Camissonia claviformis J. C. Roos 1966-5-20 Riverside 2 mi. SE of Desert Center Comment
  UCR256345  Camissonia claviformis Duncan S. Bell 2011-12-30 3033 Riverside Sonoran (Colorado) Desert, Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; c. 2 air miles southwest of Priests Well, or c. 7 air miles southwest of the ghost town of Rice 365 Comment
  CLARK-A1656-687  Camissonia claviformis subsp. aurantiaca Lois Ann Scott 1978-2-2 Riverside San Jacinto Mountains 152 Comment
  POM6848  Camissonia claviformis subsp. aurantiaca P. A. Munz, L. T. Street, G. Williams 1919-3-27 2353 Riverside Salton Sea Comment
  RSA135288  Camissonia claviformis subsp. aurantiaca Peter H. Raven 1958-1-24 11470 Riverside Desert Canyon bottom on road to Cottonwood Springs 4.5 miles north of State Highway 195. Comment
  RSA700249  Camissonia confusa M. Wall, Sean Wall 2003-4-6 3099 Riverside San Jacinto Valley, vacant lot off Ramona Expressway at Donna Ave. adjacent to Soboba Health Clinic. Property for sale for commercial development. 506 Comment
  UCR23207  Camissonia confusa J. C. Lyman 1981-5-22 s.n. Riverside San Jacinto Mountains, east side of Mt. San Jacinto 1524 Comment
  RSA501049  Camissonia hirtella Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3170 A Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA192046  Camissonia ignota E. W. Lathrop 1966-3-20 6059 Riverside 6 miles north of Santa Rosa Ranch. Comment
  RSA585505  Camissonia ignota D. L. Banks, Steve D. Boyd 1995-5-9 366 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, W of the Dripping Springs Alcove, W of Woodchuck Campground. 793 Comment
  CAS-BOT-BC176433  Camissonia intermedia Mitch Provance 2003-4-17 4630 Riverside San Bernardino Valley: Riverside, W base of Box Springs Mts., Big Springs Arroyo, N. side of Big Springs Rd., W of the railroad tracks 360 Comment
  UCR281241  Camissonia intermedia Mitch Provance, Jeremiah George 2017-3-21 317- 61 Riverside Temescal Valley, S side of Highway I-15, 0.2 miles SSE of Glen Eden Rd. and De Palma Rd. 396 Comment
  UCR182315  Camissonia micrantha Mitch Provance 2003-4-5 6615 Riverside San Bernardino Valley, Glen Avon (near border with Fontana) along the NW base of the Jurupa Mountains, south of Philadelphia St. and just east of Country Village Rd 253 Comment
  POM37762  Camissonia pallida subsp. hallii Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  RSA771702  Camissonia pallida subsp. hallii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4699 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65130 604 Comment
  HSC25792  Camissonia pallida subsp. pallida Richard Spjut 1972-3-30 2349 Riverside Just SW of Coahulla Indian Reservation, ca. 2 miles E on Hwy. 71 from jct. 79 (near San Diego County Line) 1220 Comment
  RSA652352  Camissonia pallida subsp. pallida Marion P. Harthill 1973-2-17 1570 Riverside Snow Creek, Palm Springs 366 Comment
  RSA49355  Camissonia refracta P. A. Munz 1949-4-11 13011 Riverside Near Conejo Well, north base of Eagle Mts., Mohave Desert. 915 Comment
  SEINET3406125 Image available Camissonia refracta Jim Andre, T. La Doux 2009-2-25 10821 Riverside Sonoran (Colorado) Desert; Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center. (Sidewindser Well 7.5' Q.) 129 Comment
  POM184788  Camissonia strigulosa Carl V. Meyer 1927-06 159 Riverside Saunder's Meadow, San Jacinto Mts. 1677 Comment
  UC140610  Camissoniopsis bistorta C. F. Baker 1903-4-5 4118 Riverside Hemet Comment
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Mar 24 2011
  SDSU3373  Camissoniopsis ignota H. L. Wedberg 1958-3-30 189 Riverside Adjacent to stream bed between the northwest end of Upper San Juan Campground and Hwy 74. Comment
  UC20490  Camissoniopsis ignota Geo. R. Hall 1901-3-17 Riverside Riverside Comment
  UC668392  Camissoniopsis pallida subsp. hallii Annie M. Alexander and Louise Kellogg 1941-4-24 2072 Riverside gorge of Dry Morongo Creek Mohave Desert, Morongo Valley 640 Comment
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Sep 18 2012
  RSA593884  Capsella bursa-pastoris Steve Boyd, Dave Bramlet 1996-4-19 8616 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  OBI74759  Carduus pycnocephalus Scott D. White 2006-5-19 11478 Riverside Perris Basin/San Jacinto Mtn Foothills: HemetT5S, R1W S26 610 Comment
  SD146036  Carduus pycnocephalus R. D. Goeden, D. W. Ricker 1971-5-4 Riverside Box Springs Mountains; Highgrove, National Orange Co. property beyond east end of Palmyrita Ave. (San Bernardino South 7.5 Q.) 412 Comment
  UCR194821  Carduus pycnocephalus Scott D. White 2006-5-19 11478 Riverside Perris Basin/San Jacinto Mtn Foothills, [Santa Rosa Hills, c. 2 miles south of Hemet, c. 1 mile east of State St., vicinity of Hemet Butte and Gibbel Road] 610 Comment
  RSA495446  Carex Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2974 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  SEINET7484334 Image available Carex bolanderi P. Zika, N. Otting, K. Kramer 2010-1 25300 Riverside bridge over N Fork San Jacinto River, Dark Canyon, at campground 1785 Comment
  POM259174  Carex douglasii Phillip A. Munz 1938-8-13 15327 Riverside Cedar Spring, north base of Santa Rosa Peak. 2378 Comment
  CAS-BOT-BC20703  Carex fracta Carl B. Wolf 1932-8-5 3983 Riverside San Jacinto Mountains. Summit of San Jacinto Peak. 3293 Comment
  RSA762741  Carex multicaulis Peter Guiden, C. Martinez, N. Fraga, L. McDade, et al. 2010-8-14 72 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SEINET7575123 Image available Carex senta Steve Boyd, Tim Ross, Dave Bramlet 1992-9-9 7664 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek, up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  RSA500192  Carex subfusca Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3552 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  UC2030026  Carex triquetra S. D. White, Sandy Leatherman 2000-5-31 7974 Riverside SANTA ANA MTS. / SANTA ROSA PLATEAU: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. Comment
  UCR90608  Carex triquetra Scott D. White 1995-6-29 3390 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  JOTR32403  Castela emoryi Harding, Mitzi, A. Benton 2011-7-13 17 Riverside Joshua Tree National Park. West Coxcomb Mountains; north-facing slope of small rocky foothills just above large bouldery wash 424 Comment
  RSA425878  Castilleja affinis Christopher Davidson 1973-4-1 1828 Riverside Jct. Vail Lake Marina and Hwy. 71/79, about 3 miles west of Aguanga. 426 Comment
  SD63729  Castilleja applegatei Peta Mudie 1965-7-5 502 Riverside Southwest slope, north side of Santa Rosa Mtn., above Nat. Forest Campground Comment
  JEPS3823  Castilleja applegatei subsp. martinii W. L. Jepson May 17 1901-Jun 1 1901 1451 Riverside trail to Santa Rosa Peak Comment
  UCSB5966  Castilleja applegatei subsp. martinii Wilson, Richard 1958-5-17 Riverside Palms to Pines Hwy. and Junction of road to Dark Canyon, San Jacinto Mtns. 1524 Comment
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Nov 23 2014
  JOTR31038  Castilleja chromosa La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1288 Riverside Joshua Tree National Park. Stop 4: Hexie Mountains, Blue Cut Gorge, canyon with sandy bottom and steep rocky walls Comment
  RSA585519  Castilleja exserta subsp. exserta D. L. Banks, S. D. Boyd 1995-5-9 379 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 701 Comment
  POM312181  Castilleja foliolosa N. C. Cooper 1944-4-22 1125 Riverside Banning. 732 Comment
  RSA586138  Castilleja foliolosa D. L. Banks 1995-4-11 181 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the Dripping Springs Trail. 780 Comment
  UCSB26902  Castilleja minor subsp. spiralis Wilken, Dieter 1969-6-30 Riverside Road to Santa Rosa Mountain, 4.0 miles east of California Highway 74, Santa Rosa Mountains Comment
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Nov 30 2014
  UCR114745  Catalpa bignonioides A. C. Sanders, K. C. Rose 1999-6-18 22800 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave., 1/2 mile south of Rawson Rd. 439 Comment
  CLARK-A1045-304  Caulanthus cooperi George K. Helmkamp 1977-3-20 Riverside Deep Canyon Pinyon Pines area; ; ; Palm Desert 15'Q 1066 Comment
  CAS-BOT-BC41103  Caulanthus heterophyllus Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-3 4093 Riverside Vail Lake Area, upper benches and adjacent slopes of the east flank of 'Big' Oak Mountain. 701 Comment
  UCR121204  Caulanthus heterophyllus D. E. Bramlet 1991-5-10 2141 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
  UCR281485  Caulanthus heterophyllus Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-4-4 417- 88 Riverside Gavilan Hills, SCE transmission route (projected) 0.6 miles NNW of Lake St. and Walker Canyon Rd. 152 Comment
  SEINET3507491 Image available Caulanthus simulans A. C. Sanders 1986-6-1 6557 Riverside San Jacinto Mountains, along the trail toward Spitler Peak from the Hurkey Creek Camp to Bonita Vista road. Comment
  UCD111409  Ceanothus cordulatus R. S. Woglum 1941-6-12 3053 Ab Riverside Idyllwild. 1524 Comment
  RSA606771  Ceanothus crassifolius Jon E. Keeley 1996-5-5 27350 Riverside Chaparral S of Hwy 79 on Woodchuck Rd., E of Temecula. 183 Comment
  SD60441  Ceanothus crassifolius Reid Moran 1964-7-27 11866 Riverside Canyon of Santa Margarita River, 2I(c) miles SSW of Temecula; canyon bottom 199 Comment
  UCD111427  Ceanothus crassifolius Frank W. Gould 1944-4-4 2216 Riverside 10 miles southeast of Temecula on Highway 71. Comment
  POM146233  Ceanothus cuneatus J. B. Feudge 1925-3-15 1707 Riverside near Gilman Relief Hot Springs 610 Comment
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Mar 13 2011
  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
  CAS-BOT-BC51278  Ceanothus leucodermis Peter H. Raven 1959-5-17 14230 Riverside Lake Fulmor, San Jacinto Mountains Comment
  RSA650463  Ceanothus leucodermis Edward Kai 1970-5-21 s.n. Riverside Idyllwild - off Hwy 74 San Bern. Nat. Forest. below 6000' 1829 Comment
  UC494740  Ceanothus leucodermis Philip A. Munz 1932-3-24 12027 Riverside s of Lake Elsinore (base of mts.) 365 Comment
  UCR268306  Ceanothus leucodermis Jim Andre 2012-6-15 30511 Riverside San Jacinto Mountains, San Bernardino National Forest, along Hwy 243 at Mount Edna Road, c. 1 mile north of McMullen Flat, 5.9 miles south of Hwy I-10 at Banning 1172 Comment
  UCR91609  Ceanothus leucodermis Steve Boyd, D. L. Banks 1995-3-30 8409 Riverside Agua Tibia Mountains, Palomar Range, Agua Tibia Wilderness Area; N flank of Agua Tibia Mtn, at W edge of the Dripping Springs alcove in tributary of Kolb Creek just east of old Woodchuck Truck Trail. 701 Comment
  UCSB4009  Ceanothus leucodermis Gill, Robert 1960-3-23 Riverside Snow Canyon - near end of road 563 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
  RSA606741  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27410 Riverside In on N side of Agua Tibia Range, 2-3 km S of Agua Tibia Wilderness boundary gate on trail extending ca. 100 m S of enclosed reservoir on ridge SE of Woodchuck Resort at end of Woodchuck Rd., S of Hwy 79. 1000 Comment
  UCR114966  Ceanothus ophiochilus Fred M. Roberts, Steve Boyd, Tom Leslie 1992-2-7 4831 Riverside Peninsular Range, Vail Lake, ridge about 2km WSW of lake east of 'Little' Oak Mountain 600 Comment
  RSA160406  Ceanothus papillosus var. roweanus J. D. Olmsted 1959-4-17 413 Riverside At edge of main knobcone pine grove on NE ridge of Sugarloaf Pk. along Main Divide T.T. ssw of Corona. 1159 Comment
  UCR138817  Ceanothus tomentosus subsp. olivaceus D. L. Banks 1997-2-17 1284 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside/San Diego County line border 482 Comment
  CAS-BOT-BC63259  Ceanothus tomentosus var. olivaceus P. Munz; L. Street; G. Williams 1919-3-25 2326 Riverside Beaumont. Comment
  CDA7296  Centaurea X pouzinii E. R. Johnson 1946-9-3 Riverside Corona 0 Comment
  RSA741579  Centaurea melitensis Scott D. White, Justin M. Wood 2008-6-17 12174 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  UCR182505  Centaurea melitensis Mitch Provance 2005-5-17 6564 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  UC878315  Centaurium exaltatum I. W. Clokey and E. G. Anderson 1935-8-21 6790 Riverside Hemet Lake 1300 Comment
  RSA16358  Centaurium venustum Carl B. Wolf 1935-6-18 7174 Riverside Santa Ana Mts, San Juan Canyon, near Ortega Hwy on road to Santiago Peak. 701 Comment
  UCR246466  Centromadia pungens subsp. laevis R. E. Riefner Jr. 2010-6-5 10- 49 Riverside city of Riverside, Sycamore Canyon Park, west c. 0.5 mi from Cottonwood Ave and Sycamore Canyon Blvd 433 Comment
  JEPS57819  Centrostegia thurberi var. thurberi W. L. Jepson 1928-4-25 12598 Riverside below Cottonwood Spring (Colorado Desert, Eagle Mountains); Colorado Desert, Eagle Mountains 731 Comment
  RSA614182  Cerastium glomeratum D. L. Banks 1997-2-17 1276 Riverside NW Palomar Mountains, Agua Tibia Mountains: Burned areas in the Temecula community of Redhawk, south of the intersection of Redhawk Parkway and Tehachapi Pass Road 396 Comment
  RSA543837  Cerastium glomeratum Steve Boyd, Orlando Mistretta 1991-5-22 6288 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  CDA26877  Cercidium floridum T. C. Fuller 1962-4-4 8001 Riverside Highway 99 [later renumbered Highway 86] to El Centro, 3.2 miles south of Oasis. 0 Comment
  RSA172306  Cercidium floridum R. F. Thorne 1963-3-29 32374 Riverside 5 miles E of Mecca, Mecca Hills. 152 Comment
  RSA561894  Cercocarpus betuloides Steve D. Boyd, Tim S. Ross 1992-6-10 7637 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
  RSA562609  Cercocarpus betuloides Steve D. Boyd 1992-10-14 7717 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Northeastern corner of the wilderness, south of Elsinore Peak. 976 Comment
  RSA613143  Cercocarpus betuloides D. L. Banks 1997-3-6 1413 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Area between a newly established firebreak on the south end of the Reservation, west of Magee Truck Trail and upper Pala Creek. 396 Comment
  UC75942  Chaenactis artemisiifolia Miss M. A. King 1893-1 Riverside Menifee Comment
  CAS-BOT-BC276398  Chaenactis carphoclinia N. Aitkenhead 1977-2-3 2112 Riverside At intersection of T/L with Chuckwalla Road Comment
  SBBG65660  Chaenactis carphoclinia M. N. Ackley -Feb-1926 254 Riverside near Edom 64 Comment
  RSA34531  Chaenactis fremontii N. C. Cooper 1944-4-8 1046 Riverside Andreas Canyon 457 Comment
  RSA504982  Chaenactis fremontii D. Charlton 1988-2-25 1225 Riverside S side of Little San Bernardino Mountains, Fargo Canyon Road and Dillon Road, S side of Joshua Tree Nat'l Park, parallel to I-10, 5 miles E of jct Dillon Road and Fargo Canyon Road 610 Comment
  UC894461  Chaenactis fremontii I. W. Clokey and B. C. Templeton 1930-4-9 4699 Riverside n of Palm Springs; Colorado Desert 170 Comment
  UCR180387  Chaenactis fremontii Scott D. White, Andrea Warniment (Edwards) 2006-3-29 11275 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway / McNaughton Parkway interchage, north of the I-10 Freeway 152 Comment
  RSA100864  Chaenactis glabriuscula Palmer Stockwell 1940-4-24 1506 Riverside 1 mile E of Banning. Comment
  RSA716190  Chaenactis glabriuscula Scott D. White, Angelia Carey 2004-4-5 10020 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR230767  Chaenactis glabriuscula A. C. Sanders 2010-4-7 37823 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
  UCSB38653  Chaenactis glabriuscula Cowan, Clark 1978-4-24 Riverside 2.1 mi. (3.3 km.) off Ave. 66 on a dirt road, 1.3 mi. (2 km.) on Ave. 66 from Hwy. 86; Lake Cahuilla Comment
  HSC78522  Chaenactis glabriuscula var. glabriuscula J. C. Roos 1966-4-29 Riverside Hills between March AFB and Lakeview Comment
  RSA339650  Chaenactis glabriuscula var. glabriuscula R. F. Thorne 1980-5-28 54235 Riverside Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  UC481111  Chaenactis glabriuscula var. glabriuscula Lottie M. Wilder 1903-4-12 79 Riverside Wilder's Comment
  UCR96798  Chaenactis glabriuscula var. glabriuscula G. F. Pratt 1997-3-8 s.n. Riverside Box Springs Mtns, S-facing slopes near highest peak, right around radio towers. 915 Comment
  CAS-BOT-BC284590  Chaenactis glabriuscula var. lanosa Marcus E. Jones 1903-5-11 s.n. Riverside Banning 701 Comment
  POM66585  Chaenactis glabriuscula var. lanosa Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  CAS-BOT-BC284354  Chaenactis stevioides Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center, Colorado Desert Comment
  UC195040  Chaenactis stevioides Joseph Grinnell 1910-5-17 Riverside Riverside Mt., Colorado River Comment
  UC494758  Chaenactis stevioides C. L. Hitchcock 1932-4-8 12215 Riverside 1 mi w of Cottonwood Spring Comment
  UCR214551  Chaenactis stevioides A. C. Sanders 2010-3-15 37416 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
  JOTR34147  Chaenactis xantiana La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler, D. Shade 2011-4-26 3164 Riverside Joshua Tree National Park. Pleasant Valley, south of Gold Coin mine complex; mud flats and sandy hummocks on valley floor (Stop 5) 959 Comment
  RSA522312  Chamaesyce albomarginata Steve Boyd 1989-7-9 3782 Riverside City of Riverside, 4863 Rubidoux Ave. Comment
  RSA736786  Chamaesyce albomarginata Scott D. White, Angelia Carey 2004-7-2 10551 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  RSA776946  Chamaesyce micromera Amber Swanson 2011-3-19 239 Riverside W of Eagle Mtn Rd to Railroad tracks abt 5 mi N of I-10 307 Comment
  JEPS19346  Chamaesyce polycarpa I. W. Clokey, B. C. Clokey, and C. B. Clokey 1930-4-15 4732 Riverside Perris-Gavilan Peak 600 Comment
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Jul 5 2010
  RSA0031424  Chamaesyce polycarpa Duncan S. Bell, Kim Clark, Bob Ellis, Pam McKay, Jim Pittman, Gene Ratcliff, Ed Schlegel 2013-2-24 4473 Riverside Orocopia Mountains; south end of range, north of the Coachella Canal, approximately 3 air miles northeast of Dos Palmas Springs. 182 Comment
  RSA6445  Chamaesyce polycarpa P. A. Munz, L. T. Street 1919-5-7 2774 Riverside Palm springs 183 Comment
  RSA781417  Chamaesyce polycarpa Duncan S. Bell 2011-10-22 2997 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  RSA781419  Chamaesyce polycarpa Duncan S. Bell 2011-10-22 2999 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  SEINET3165333  Chamaesyce polycarpa L. S. Rose 1936-12-26 36821 Riverside Hayfield, 5 mi. W of Desert Center 914 Comment
  RSA4  Cheilanthes clevelandii J. T. Howell 1927-8-2 552 Riverside Near Banning. 671 Comment
  RSA495412  Cheilanthes clevelandii Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-12 2947 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  CAS-BOT-BC70294  Cheilanthes newberryi Marcus E. Jones 1930-3-15 26517 Riverside Eagle Mountains Comment
  RSA523539  Cheilanthes newberryi Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3999 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA685792  Cheilanthes newberryi Anonymous s.n. Riverside San Jacinto. Comment
  CAS-BOT-BC70329  Cheilanthes parryi Munz; Street; Williams 1919-3-25 2325 Riverside Palm Canyon 243 Comment
  JOTR16826  Cheilanthes parryi Supernaugh, William JR. 1967-2-23 55 Riverside Joshua Tree National Park. 1/4 MILE WEST OF IVANPAH TANK 1316 Comment
  RSA23231  Cheilanthes parryi Ernest Braunton 1940-4-3 2021 Riverside Berdoo Canyon, 10 mi. E. of Indio 304 Comment
  RSA685818  Cheilanthes parryi Freda Detmers 1930-2-2 s.n. Riverside Palm Canyon. Comment
  SEINET8008429  Cheilanthes viscida W. F. Parish No determinado Riverside Agua Caliente, Agua Caliente,Riverside, California Comment
  UC7267  Chenopodium H. M. Hall July 1901 Riverside Fullers Mill Comment
  RSA666522  Chenopodium berlandieri Mitch Provance 2000-8-24 2218 Riverside Jurupa Mountains: NW extreme of the Jurupa Mountains, as accessed from Country Village Rd. 259 Comment
  RSA709798  Chenopodium berlandieri A. C. Sanders 2004-7-1 28377 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, ca. 1.5 mile NW of the Menifee-Antelope Community Hall , 0.6 mi. E of Murrieta Rd. near the NW foot of a large rocky hill (1762 ft.) and ca. 5 miles due south of Sun City. 457 Comment
  UCR110396  Chenopodium berlandieri A. C. Sanders, Mitch Provance 1999-9-26 23076 Riverside San Jacinto Mountains, McMullen Flat c. 1 km NW of Valley High County Park, c. 1 km SE of Hwy 74 off (W of) Twin Pines Ranch Rd. 1195 Comment
  UCR113095  Chenopodium berlandieri A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15817 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  UCR22147  Chenopodium berlandieri Steve Boyd 1980-7-20 337 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR155168  Chenopodium californicum A. C. Sanders 2005-5-4 29847 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  RSA640207  Chenopodium fremontii R. S. Woglum 1937-10-20 1186 Riverside Peninsular Ranges, Santa Rosa Mountains. Comment
  UCR265473  Chenopodium fremontii Jordan Zylstra 2014-8-17 14023 Riverside Santa Rosa Mountains, vicinity of Pinyon Flat and head of Cactus Springs Trail, south of Hwy 74 1280 Comment
  UCR58165  Chenopodium fremontii George K. Helmkamp 1989-10-7 s.n. Riverside Peninsular Range; San Jacinto Mtns, roadside beside Hwy 243 near Lawlor Lodge, c. 2 mi north of Pine Cove 1600 Comment
  SBBG119114  Chenopodium glaucum A. C. Sanders 2002-12-13 25663 Riverside Temescal Valley, development called "Trilogy at Glen Ivy", confluence of Bixby and Anderson Cyns, basin W18 N of Trilogy Parkway 366 Comment
  UCR176677  Chenopodium missouriense G. S. Nuessly 1980-10-14 s.n. Riverside Riverside: U.C. Riverside campus, above Picnic Hill 351 Comment
  UCR113772  Chenopodium murale Mitch Provance 2000-7-30 2174 A Riverside Jurupa Mountains, Glen Avon Heights, on the north side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  UCR21961  Chenopodium murale Steve Boyd 1980-5-5 200 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  UCR33643  Chenopodium murale Faulkner 1978-3-21 344 Riverside Colorado River Valley, 9 mi. north of Blythe on Hwy 95 152 Comment
  UCR22144  Chenopodium pumilio Steve Boyd 1980-9-22 355 Riverside Gavilan Hills, Harford Springs County Park on the NW corner of the Gavilan plateau Comment
  CAS-BOT-BC231779  Chilopsis linearis Roxana S. Ferris; Ruth P. Rossbach 1938-5-16 9582 Riverside Mecca Hills 2 miles up Painted Canyon Comment
  RSA736799  Chilopsis linearis Scott D. White, Angelia Carey 2004-7-2 10565 Riverside Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  RSA777289  Chilopsis linearis Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4551 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR274213  Chilopsis linearis Duncan S. Bell, Evan Meyer 2014-10-29 7690 Riverside Santa Rosa Mountains, Agua Alta Canyon, to the north of Martinez Canyon, c. 6 air miles southeast of the summit of Martinez Mountain 394 Comment
  LA204143  Chilopsis linearis subsp. arcuata Carl Epling; 1932-11-9 sn Riverside San Jacinto Mountains, Murray Canyon, Palm Springs Comment
  OBI20565  Chilopsis linearis subsp. arcuata Louis C. Wheeler 1933-12-1 2281 Riverside San Gorgonio Wash at S. P. RR, San Gorgonio Pass 640 Comment
  RSA455324  Chilopsis linearis subsp. arcuata E. Crow 1928-11-12 47 Riverside Morongo Pass, Colorado Desert Comment
  CAS-BOT-BC451360  Chimaphila menziesii H. M. Hall 1897-6-16 s.n. Riverside San Jacinto Mts. Comment
  UCR130515  Chloris virgata R. E. Riefner Jr. 2003-10-21 03- 459 Riverside Perris-Aguanga Region, Menifee Valley, along Newport Road 1 mile east of Goetz Road intersection 427 Comment
  UCR18066  Chloris virgata Hap Ritter, Paul Mack 1976-5-20 s.n. Riverside Sonoran (Colorado) Desert, dunes off of Wiley's Well Road 152 Comment
  RSA519215  Chlorogalum pomeridianum M. Lee Overholtzer 1962-7-4 290 Riverside North end of Cleveland National Forest, Santa Ana Mountains, Santa Ana River Drainage Area. Alt. 4300 ft. 1311 Comment
  RSA607339  Chorizanthe R. S. Woglum 1939-4-11 2226 Riverside Sonora Desert: Rice to Parker. Comment
  RSA775916  Chorizanthe brevicornu Duncan S. Bell, Amanda Turek 2010-4-10 814 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  CAS-BOT-BC191716  Chorizanthe brevicornu var. brevicornu John H. Thomas 1957-3-30 6563 Riverside 8.1 miles E of Cactus City, about 20 miles E of Coachella. Colorado Desert 426 Comment
  JOTR16806  Chorizanthe brevicornu var. brevicornu Vanderspek & Youse 1964-4-19 s.n. Riverside Joshua Tree National Park. WILSON CANYON Comment
  UCR127500  Chorizanthe coriacea A. C. Sanders, D. Malueg 2003-5-8 26576 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
  UCR137560  Chorizanthe coriacea A. C. Sanders 2004-5-5 27758 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
  UCR87638  Chorizanthe coriacea A. C. Sanders 1994-5-29 14545 Riverside San Bernardino Mtns, Morongo Indian Reservation, low pass between Millard Canyon and Potrero Creek 793 Comment
  CAS-BOT-BC191851  Chorizanthe corrugata Edmund C. Jaeger 1939-3-31 s.n. Riverside Box Canon [canyon] 30 Comment
  JEPS57635  Chorizanthe corrugata E. E. Schellenger May 1920 Riverside near Mecca (Hayfields, Colorado Desert); Colorado Desert, Hayfields Comment
  UCR30161  Chorizanthe corrugata A. C. Sanders 1983-4-24 3801 Riverside Sonoran (Colorado) Desert, E side of the Salton Sea, at the mouth of Salt Creek, 2 mi. north of the Imperial County line along Hwy 111 -70 Comment
  UC1563103  Chorizanthe fimbriata var. fimbriata Steve Boyd, Tim Ross, Laurel Arnseth 1989-6-4 3628 Riverside hills just s of jtn Highway 79 and road to Vail Lake Marina (Butterfield Valley); Vail Lake area, Butterfield Valley 457 Comment
  RSA392689  Chorizanthe leptotheca H. de Forest, Jack Rempel 1933-6-25 s.n. Riverside San Jacinto Mts. Comment
  SEINET4182893  Chorizanthe parryi K. Brandegee 1905-5-12 s.n. Riverside Near Riverside Comment
  JEPS57785  Chorizanthe parryi var. parryi W. L. Jepson 1935-4-19 17073 Riverside San Gorgonio Pass Comment
  RSA585738  Chorizanthe polygonoides var. longispina D. L. Banks, S. D. Boyd 1995-5-9 401 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 790 Comment
  UCR120854  Chorizanthe polygonoides var. longispina D. E. Bramlet 1993-4-13 2321 Riverside 518 m north of Cajalco Road at a point 976 m east of its intersection with La Sierra Ave., 244 m north of dirt access road 439 Comment
  UCR132343  Chorizanthe polygonoides var. longispina John F. Green, S. J. Myers 2003-6-25 s.n. Riverside Small hill just west of Leon Road, c. 0.25 mi. south of Borel Road, above Tucalota Creek 427 Comment
  UCR217537  Chorizanthe polygonoides var. longispina Diane Menuz 2008-4-17 423 Riverside Peninsular Range: Santa Ana Mts., Santa Rosa Plateau, near intersection of Tormo Trail and Sylvan Meadows Road 553 Comment
  RSA392739  Chorizanthe rigida Christopher Davidson 1979-4-4 7694 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  RSA522757  Chorizanthe staticoides Steve Boyd, Tim S. Ross, L. Arnseth 1990-3-29 3864 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
  CAS-BOT-BC248061  Chorizanthe xanti var. leucotheca Carl B. Wolf 1932-5-25 3677 Riverside No. base of San Jacinto Mts. Snow Creek Canyon. 1 mi. below Fish Hatchery 396 Comment
  RSA660932  Chrysanthemum coronarium A. C. Sanders 1998-4-16 21753 Riverside field on the W side of Iowa Ave., just N of the Santa Fe RR tracks 287 Comment
  UC1186513  Chylismia brevipes E. G. Linsley and J. W. MacSwain 1960-3-2 60 -6 Riverside 2 mi w Desert Center Comment
  UCSB12874  Chylismia claviformis Breedlove, Dennis 1962-3-11 Riverside Cat Creek wash; 3 miles southwest of Palm Desert 426 Comment
  CAS-BOT-BC160609  Chylismia claviformis subsp. aurantiaca John C. Angsbury 1930-1-1 s.n. Riverside Indio Comment
  SD143570  Cirsium occidentale var. californicum R. D. Goeden, D. W. Ricker 1979-5-8 Riverside San Jacinto Mountains, Bautista Creek Canyon, Bautista Road at Horse Creek crossing 854 Comment
  SD187343  Cirsium vulgare Scott D. White, Angelia Carey 2004-5-7 10337 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 548 Comment
  CAS-BOT-BC438849  Cistanthe monandra L. R. Abrams 1926-3-26 11038 Riverside Palm Springs Comment
  CAS-BOT-BC171997  Clarkia epilobioides Steve Boyd 1986-4-22 1768 Riverside Temescal Canyon, terrace escarpment E side of Indian Wash, S of 1-15 Comment
  UCR193896  Clarkia purpurea A. C. Sanders, Mitch Provance 2008-7-11 35785 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
  UCR165912  Clarkia rhomboidea T. B. Salvato, John F. Green 2004-5-27 552 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  RSA586735  Clarkia similis D. L. Banks, Steve D. Boyd 1995-5-17 458 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
  UCR124325  Clarkia unguiculata C. J. Harker 1969-5-19 20 Riverside San Bernardino Valley/Peninsular Range, Riverside, Fairmont Park [probably North Hill, on south side of park -- ACS, '99] 244 Comment
  RSA0021841  Claytonia parviflora subsp. parviflora A. C. Sanders, P. J. MacKay, Tim Thomas, O. F. Clarke 1997-5-4 20634 Riverside San Jacinto Mountains: N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740. 1067 Comment
  POM12718  Claytonia parviflora subsp. tenuifolia P. A. Munz 1922-6-30 5910 Riverside Santa Rosa, Santa Rosa Mountains. 1982 Comment
  RSA359868  Claytonia perfoliata subsp. mexicana Steve Boyd 1986-4-2 1613 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  CAS-BOT-BC91330  Clematis lasiantha Elisabeth Norland 1941-12-2 11198 Riverside Santa Ana Mountains, Main Divide Motorway. Comment
  RSA33630  Clematis lasiantha Robert L. Rutherford 1945-6-17 1669 Riverside Big Oaks Canyon, Banning. 1220 Comment
  RSA666641  Clematis pauciflora A. C. Sanders, Mark A. Elvin, Julie Vanderwier 2002-4-22 24990 Riverside The Badlands: marble outcrop on ridge about 1/2 mile east of Mt. Eden, above Laborde Canyon, SW of Beaumont. 670 Comment
  RSA673497  Clematis pauciflora Scott D. White, Sandy Leatherman 2000-4-19 7663 Riverside Santa Ana Mountains/Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east-and north-facing slopes. 640 Comment
  UC213052  Clematis pauciflora A. J. McC. 1892-4-2 66 Riverside Elsinore Comment
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Aug 5 2010
  UC667312  Clematis pauciflora Annie M. Alexander and Louise Kellogg 1941-5-4 2115 Riverside Joshua Tree Nat'l Monument, Barker Dam 1310 Comment
  RSA0020488  Clematis pauciflora W. Hutchinson 1926-4-1 s.n. Riverside Palm Springs. Comment
  RSA650743  Cleome isomeris Glenn Stewart 1968-2-11 s.n. Riverside N of Thousand Palms. Comment
  UCR193748  Cnicus benedictus A. C. Sanders, Mitch Provance 2008-7-11 35754 Riverside Peninsular Range; San Jacinto Mtns., 3/4 mi. NE of Mountain Center, c. 1/4 mile NE of Keenwild Fire Station, near road to helipad 1494 Comment
  RSA0117455  Collinsia concolor Duncan S. Bell, Joy D. England 2010-6-4 1259 Riverside San Bernardino National Forest: Garner Valley, approximately 3.2 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1430 Comment
  UC597598  Collinsia concolor Philip A. Munz 1937-5-30 15090 Riverside n Vandeventer Flat; Santa Rosa Mtns 1676 Comment
  UCR89571  Collinsia concolor E. N. Anderson 1994-4-20 s.n. Riverside Box Springs Mtns, Two Trees Canyon, above Cassina Spring Comment
  UCR37033  Commelina erecta Steve Morgan 1984-7-17 s.n. Riverside U.C. Riverside Botanic Garden, beside the road below the office. 366 Comment
  CDA35599  Condalia globosa var. pubescens Robert Cowell 1959-5-4 Riverside North of Bradshaw Stage Road, ca. 3/4 mile east of the Imperial Gas Line road, between Chocolate and Chuckwalla Mtns. 0 Comment
  UCR91470  Convolvulus arvensis Scott D. White, M. Jacobsmeyer 1996-4-20 3974 Riverside Perris Basin, Near Perris Airport, c. 100 m north of Case Road, just west of the I-215 Fwy 433 Comment
  UCR120849  Convolvulus simulans D. E. Bramlet 1993-4-12 2319 Riverside Lake Mathews; 46 m north of Cajalco Rd. at a point 762 m east of La Sierra Ave., NW of Siegal Ranch Road 427 Comment
  RSA5012  Conyza canadensis C. B. Wolf 1932-3-20 12 Riverside Richman Ranch, 2.5 miles north of De Luz. 457 Comment
  UC218232  Cordylanthus nevinii P. A. Munz 1922-9-7 6408 Riverside on trail to Hidden Lake; San Jacinto Mts 2346 Comment
  UCR133636  Cordylanthus nevinii I. W. Clokey, E. G. Anderson 1935-8-21 6904 Riverside San Jacinto Mtns., Fuller's Creek 1585 Comment
  RSA356626  Cordylanthus rigidus subsp. setiger Robert F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. Lathrop 1975-8-29 47321 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 610 Comment
  RSA0030791  Cordylanthus rigidus subsp. setiger J. C. Roos 1965-8-18 s.n. Riverside Thomas Valley, San Jacinto Mtns. Comment
  POM356006  Coreopsis californica Ora M. Clark 1929-2-23 1514 Riverside South of Cabazon Comment
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Mar 13 2011
  UCSB32534  Corethrogyne filaginifolia Smith, O. 1977-4-1 Riverside 1 mile up Ellis Rd. in Perris, CA 365 Comment
  SD122195  Corethrogyne filaginifolia var. filaginifolia J. D. Tenhunen, James C. Dice 1987-9-9 723 Riverside 1.6 km northnorthwest of Royal Oak Ranch. 380 Comment
  SBBG59864  Cornus nuttallii M. Lewis 1947-8-26 25 Riverside N slope of Dark Cyn 1981 Comment
  SEINET8527446  Cornus sericea var. sericea H. M. Hall 1899-1 1369 Riverside San Bernardino Mountains Comment
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May 23 2018
  RSA737119  Cotula coronopifolia Justin M. Wood 2008-10-15 185 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR281094  Crassula aquatica Mitch Provance, John Hazlett, Matt K. Beyers 2017-4-19 417- 51 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
  RSA394725  Crassula connata Barbara Shervanick 1973-2-18 645 Riverside [San Jacinto Mtn. foothills] Palm Springs, end of Raquet Club Road 1/2 mile from aerial tramway. 366 Comment
  UC219249  Crassula connata var. erectoides P. A. Munz and I. M. Johnston 1922-5-19 5342 Riverside 5 mi. e. Murietta 518 Comment
  UCR202249  Cressa truxillensis Mike Misenhelter 2005-7-12 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, c. 3 miles E of Sun City, c. 2 mi. SW of Winchester, Hemet U. School Distr. proposed elementary school site, 14 acres on south side of Salt Creek and NE of the intersection of Leon and Patton Rds. 444 Comment
  UCR40461  Cressa truxillensis Steve Boyd 1985-8-7 1118 Riverside Santa Rosa Plateau, Murrieta area, Clinton Keith Rd. near (just east of) Bear Creek golf course Comment
  CAS-BOT-BC181562  Crossosoma bigelovii B. Pitzer; O. Clarke; S. Reed; G. Ruiz 1998-3-7 3562 Riverside Wildlands Conservancy's Mission Creek Preserve, ca. 2 mi. up canyon from entrance at ranch gate - San Bernardino Mountains 762 Comment
  RSA397723  Crossosoma bigelovii Robert Gustafson 1980-5-5 1565 Riverside Whitewater Canyon Road, 1.8 miles from the junction with Interstate 10. 610 Comment
  UC1490304  Crossosoma bigelovii Rolf Y. Berg 1980-4-2 Riverside Whitewater Canyon; ca 2.5 mi from mouth Comment
  UC218183  Crossosoma bigelovii P. A. Munz 1922-3-12 4708 Riverside near Palm Springs; Andreas Canyon Comment
  CHSC109025  Croton californicus Orlando Mistretta; D. Bell, J. Beckman, J. England, K. Kane, et al. 2010-4-12 4604 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) in the vicinity of Bonnie Bell; between N33.95609, W116.64365 and N33.95477, W116.64248. 525 Comment
  RSA708172  Croton californicus Scott D. White, Angelia Carey 2004-5-7 10312 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills. 549 Comment
  UC570802  Croton californicus Margaret Stason 1927-3-12 Riverside Thousand Palms Colorado Desert Comment
  UCR262097  Croton californicus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41518 Riverside San Gorgonio Pass, 2.25 miles ESE of Cabazon, north of the San Gorgonio River wash on the alluvial slope east of the water bottling plant and Elm St. 474 Comment
  CSUSB1176  Cryptantha angustifolia Grace Sprague 1968-4-29 S. N. Riverside Highway 111, 5 miles north of Palm Springs where San Jacinto Mountains near the road; on the sand dune of creosote bush scrub. Comment
  POM368196  Cryptantha angustifolia N. C. Cooper 1949-4-8 3294 Riverside Desert Center. 610 Comment
  RSA791597  Cryptantha angustifolia D. Silverman 2010-3-24 7825 Riverside South Palen Lake, Chuckawalla Valley, 5.0 km SE of Sidewinder Well, 2.4 km SW of Palen Dunes Dr., and 3.7 km N of Interstate 10. 130 Comment
  SBBG97219  Cryptantha angustifolia W. L. Halvorson 1977-3-8 77 -83 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  SEINET3083656 Image available Cryptantha angustifolia John Adams 1966-3-12 453 Riverside Hwy 74, 2 mi. above Palm Desert. Comment
  NY43471  Cryptantha barbigera C. R. Annable 1995-3-10 2264 Riverside 1.6km S of Lake Cahuilla County Park Comment
  RSA680923  Cryptantha barbigera Scott D. White, Michael Honer 2003-5-14 9278 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (= Superior ) Gypsum Mine. 76 Comment
  UC1178556  Cryptantha barbigera Peter Kamb 1948-4-11 880 Riverside e of Garnet (aqueduct road); Coachella 304 Comment
  UC573091  Cryptantha barbigera Herbert L. Mason 1928-3-10 4228 Riverside Hidden Springs Canyon Coachella Mts. Comment
  SEINET10455559  Cryptantha barbigera Thorne 1980-4-16 THORNE 54048 Riverside San Bernardino Mts: Sandy bench along Whitewater River, E of bridge and levee and below W-facing bluff. Comment
  JOTR33722  Cryptantha barbigera var. fergusoniae La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2723 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy pediment/bajada surrounding granitic ourcrops near Stirrup Tank parking lot (Stop 1) Comment
  UCR196105  Cryptantha barbigera var. fergusoniae Jim Andre 2006-4-6 8148 Riverside S Mojave Desert, Joshua Tree National Park, c. 50 m north of the Keys View Parking area, at south end of Little San Bernardino Mtns 1553 Comment
  UCR216260  Cryptantha barbigera var. fergusoniae Mike Bell 2008-3-19 033 Riverside Sonoran (Colorado) Desert/San Bernardino Mtns., Bonnie Bell, along Whitewater River c. 2 miles north on Whitewater Canyon Rd. from I-10 freeway 537 Comment
  RSA781396  Cryptantha costata Duncan S. Bell 2010-5-1 912 Riverside Arica Mountains: northwest of mountain range, approximately 6.5 air miles southwest of the ghost town of Rice, and approximately 5 air miles northwest of Priests Well. 339 Comment
  RSA0078804  Cryptantha cycloptera Lyman Benson 1933-3-31 4181 Riverside Beginning of Hemet Road. San Jacinto Mountains; Colorado Desert watershed. 549 Comment
  UCR102050  Cryptantha decipiens var. decipiens B. G. Pitzer 1997-4-20 3174 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
  UC1168749  Cryptantha dumetorum Peter H. Raven 1958-2-15 11558 Riverside Corn Springs Chuckwalla Mountains Comment
  POM369556  Cryptantha holoptera M. B. Dunkle 1933-3-4 3032 Riverside Painted Canyon, Colorado Desert. 30 Comment
  POM6633  Cryptantha intermedia P. A. Munz, L. T. Street 1919-3-28 2361 Riverside San Gorgonio Pass, near Cabazon 543 Comment
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Mar 13 2011
  UC551862  Cryptantha intermedia F. R. Fosberg 1932-5-9 10641 Riverside Sage 770 Comment
  UC662478  Cryptantha intermedia Philip A. Munz 1937-5-30 15091 Riverside n of Vandeventer Flat; Santa Rosa Mts. 1524 Comment
  UC857153  Cryptantha intermedia Lewis S. Rose 1937-4-9 37095 Riverside Cabazon 563 Comment
  UCR155133  Cryptantha intermedia A. C. Sanders, Kelly Volansky 2005-3-17 29203 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
  UCR214120  Cryptantha intermedia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37726 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  UCR238127  Cryptantha intermedia Mark A. Elvin, Julie M. Vanderwier, Frank Sartuche 2002-5-16 2043 Riverside Peninsular Range; Agua Tibia Mtns., Pechanga Indian Reservation, nameless drainage/wash south of Pala Rd. 335 Comment
  UCR51023  Cryptantha intermedia D. C. Hawks 1988-4-2 s.n. Riverside Peninsular Range, Tule Creek drainage, 1.75 mi. (airline) NE of Aguanga, SE of intersection of Dove Dr. and Sycamore Falls, south of Hwy 371, between Aguanga and Anza 945 Comment
  UCR98704  Cryptantha intermedia S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  POM9601  Cryptantha intermedia I. M. Johnston 1920-5-8 s.n. Riverside Butte due west of Lakeview Comment
  SD71852  Cryptantha intermedia var. johnstonii Helen V. Witham 1969-7-2 205 Riverside Sandia Canyon, 4 miles south of Murietta on road to De Luz 299 Comment
  RSA480021  Cryptantha maritima Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2144 Riverside North end Palen Mountains, 2 mi west of Palen Pass 300 Comment
  RSA777542  Cryptantha maritima Thomas Stoughton, Chrsiti Gabriel, Stephanie Rockwood 2011-3-30 902 Riverside East Mojave Desert region: McCoy Wash, east side of McCoy Mountains, pavement plain, approximately 7 miles north of I-10. 290 Comment
  RSA785021  Cryptantha maritima Duncan S. Bell 2012-3-18 3192 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  RSA0026119  Cryptantha micrantha J. Andre, G. Clifton, Ron Kelley 2013-3-21 24387 Riverside West Riverside Mountains; at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 miles SW of Vidal Jct., 3 miles south of Grommet RR xing at Highway 62. 363 Comment
  RSA517814  Cryptantha micrantha Steve Boyd, Orlando Mistretta 1986-3-13 1429 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
  RSA789244  Cryptantha micrantha Naomi Fraga, Erika Gardner, Beth Kempton, Tom Kerrin-Torres, Michael Wall 2008-7-17 2418 Riverside Mount San Jacinto State Park; Hidden Lake 2652 Comment
  SD256715  Cryptantha micrantha J. M. Andre, Glen Clifton, Ron Kelley 2013-3-21 24387 Riverside West Riverside Mountains; at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 miles SW of Vidal Jct, 3 miles south of Grommet RR xing at Hwy 62. 363 Comment
  JEPS119484  Cryptantha microstachys Clark Cowan 1978-4-25 1273 Riverside San Jacinto Mountains. 5.1 miles (8.1 km) west on Highway 74 from junction with 243, approaching Hemet. Comment
  RSA525339  Cryptantha microstachys Steve Boyd, D. E. Bramlet 1990-4-29 4469 Riverside Lake Skinner County Park, S flank of Bachelor Mountain. Comment
  SD215429  Cryptantha microstachys Steve Boyd, Orlando Mistretta 1991-5-22 6282 Riverside Vail Lake area, base of Agua Tibia Mountains, east of Dorland Mountain, west of Kolb Creek. 548 Comment
  UC24692  Cryptantha muricata H. M. Hall Jun 1901 2224 Riverside Onstatt Valley San Jacinto Mountains 1524 Comment
  UCR174386  Cryptantha muricata A. C. Sanders 2006-5-19 32414 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCSB41275  Cryptantha muricata Cowan, Clark 1978-4-25 Riverside 5.1 mi. (8.1 km.) W on Hwy. 74 from its jct. with Hwy. 243, approaching Hemet, San Jacinto Mts. 1370 Comment
  UCSB46749  Cryptantha muricata Roos, John 1950-4-15 Riverside Summit of Reche Canyon 792 Comment
  UCR280921  Cryptantha nevadensis Fred M. Roberts 2016-3-5 7996 Riverside Sonoran (Colorado) Desert, Little Maria Mountains: shallow canyon at west end, 4.3 km east of Palen Pass and 2.0 km WNW Peak "602" 116 Comment
  UCR52020  Cryptantha pterocarya var. cycloptera Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2159 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  JOTR34128  Cryptantha racemosa Andre, Jim, T. La Doux, R. B. Kelley 2011-5-4 21087 Riverside Joshua Tree National Park. Long Canyon, up side canyon approx. 400 m. west of main canyon drainage. 1171 Comment
  JOTR34177  Cryptantha utahensis Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 138 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Northeast flowing steep side canyon of Pushawalla Canyon, almost parallel to main canyon (Stop 5) 1171 Comment
  UC857320  Cryptantha utahensis C. L. Hitchcock 1940-3-29 5867 Riverside ca 100 yds e Cottonwood Spring; Cottonwood Canyon Comment
  POM153347  Cucurbita palmata P. A. Munz, I. M. Johnston 1928-9-12 11307 Riverside Dry flats near Lake Elsinore Comment
  RSA609810  Cucurbita palmata R. S. Woglum 1939-4-11 2201 Riverside Sonora Desert: Desert Center. Comment
  UCR188887  Cucurbita palmata D. E. Bramlet 2007-7-27 4111 Riverside Peninsular Range; Perris-Aguanga Basin, Lakeview Mountains, 732 m southwest of Juniper Springs Road, and 1.83 km east of Hansen Avenue 543 Comment
  POM70789  Cuscuta californica Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  RSA71010  Cuscuta californica F. W. Peirson 1921-4-13 2399 Riverside Deep Canyon; north base of Santa Rosa Mountains, Riverside. 152 Comment
  RSA789365  Cuscuta californica var. californica Aaron C. Sedgwick, David Fraker 2012-3-28 40 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  UCD126288  Cuscuta denticulata A. C. Sanders; G. Nuhn 1995-4-20 16587 Riverside Colorado Desert: Coachella Valley, near Fan Hill, northeast of Dillon Road on an abandoned road, below Little San Bernardino Mountains. northeast of 1000 Palms. 350 Comment
  LA210108  Cuscuta subinclusa Louis C. Wheeler; 1932-8-20 1142 Riverside 4 mi W Redlands 304 Comment
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Mar 22 2014
  UCR151122  Cuscuta subinclusa Scott D. White 1998-10-13 7182 Riverside Peninsular Ranges/Santa Ana Mtns region, Corona, near Bedford Canyon; ''Joseph Canyon'' wash near a disused quarry. Site adjacent to housing tracts now under construction and proposed for same 366 Comment
  SD229116  Cylindropuntia californica var. parkeri Dick Schwenkmeyer 2012-3-26 668 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx 1 mile northeast of junction of Highway 74 and Morris Ranch Road, base of steep bouldery slope. 1374 Comment
  SEINET5624468 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2012-3-25 17525 .7 Riverside Northeast end of Chuckwalla Mountains, 11km SSE of Desert Center, 70km west of Blythe, two-track branching south from Corn Spring Road, 1.1 km W of Corn Spring Campground, 400m south of Corn Springs Wash; Pilot Mountain 1.5' USGS topographic quadrangle 527 Comment
  SEINET5624483 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2012-4-10 17536 .1 Riverside North side of Chuckwalla Mountains, 1.7km NNE of Chuckwalla Spring, 57km west of Blythe, Chuckwalla Spring 7.5' USGS topographic quadrangle 498 Comment
  SDSU13535  Cynodon dactylon W. Miller with C. Mosse 1972-7-11 Riverside Dam. Comment
  RSA335028  Cyperus eragrostis Steve Boyd 1985-7-23 1001 Riverside 5 miles west of Rancho California at junction of Rancho California Road and De Luz Road. 427 Comment
  CAS-BOT-BC114416  Cyperus erythrorhizos John C. Roos 1951-9-25 5249 Riverside Common in mud at edge of lake, Fairmount Park. 259 Comment
  POM153391  Cyperus erythrorhizos Phillip A. Munz, I. M. Johnston 1928-9-12 11260 Riverside Temescal Canyon, Lee s Lake. Comment
  RSA500204  Cyperus erythrorhizos Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3540 Riverside Vail Lake area, pond and freshwater marsh in Kolb Crk. just south of the lake. Comment
  UCR110370  Cyperus erythrorhizos A. C. Sanders, Mitch Provance 1999-9-26 23123 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
  UCR93073  Cyperus esculentus A. C. Sanders, S. Ogg 1994-7-28 15186 Riverside San Bernardino Valley, Colton & Riverside: Santa Ana River from the Riverside Ave. (N. Main St.) bridge downstream almost to Market St. crossing, both sides of San Bernardino Co. line, but mostly RIV 246 Comment
  PASA617  Cyperus laevigatus Frank W. Peirson 1924-12-30 Riverside Thousand Palms Canyon 121 Comment
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Jun 24 2016
  UCR85376  Cyperus niger A. C. Sanders, O. F. Clarke & CNPS field trip 1991-10-5 11745 Riverside Santa Ana River Valley, Santa Ana River bottom, Rancho Jurupa Park, Pleasant Acres Lake Comment
  RSA613957  Cyperus odoratus A. C. Sanders 1994-7-27 15164 Riverside Riverside: Santa Ana River between the San Bernardino County line and the Market Street Bridge. 246 Comment
  SEINET944513  Dalbergia sissoo Fujio Shibuya 1983-1 s.n. Riverside Riverside Co., California. Off Highway 86 near Oasis. Comment
  UC218038  Dalea mollis P. A. Munz and D. Keck 1922-4-8 4738 Riverside Mecca Colorado Desert, Mecca -30 Comment
  UCR228169  Dalea mollis Dave Silverman, Mark Bibbo 2010-3-30 7891 Riverside Sonoran (Colorado) Desert, lower east flank of southern McCoy Mountains, 2.0 km W of Black Creek Rd, 6.5 km E of McCoy Pk, and 4.9 km north of I-10 183 Comment
  CHSC99048  Dalea mollissima LeRoy Gross 2005-3-3 1558 Riverside Colorado Desert; Northeastern Colorado Desert region: Palen Mountains, south side. Near end of old prospect road. 68 Comment
  CLARK-A1656-794  Dalea schottii Jon Mark Stewart 1982-5-15 Riverside San Jacinto Mountains 853 Comment
  UCD65758  Dasyochloa pulchella F. M. Reed 1927-1-5 5691 Riverside Eagle Canyon, 5 miles east of Palm Springs. 228 Comment
  RSA564025  Datisca glomerata M. A. Patten, S. J. Myers 1993-8-20 s.n. Riverside Along Tahquitz Creek and behind the debris basin dam in Palm Springs. 183 Comment
  UCSB55270  Datisca glomerata Thorne, Robert; Boyd, Steve; Lathrop, Earl 1985-7-18 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon 353 Comment
  SEINET3078209 Image available Datura wrightii Ed LaRue 1989-4-20 Riverside Moreno Valley, old Riverside International Raceway on Day Street, ca 1/2 mi S of Hwy 60. Comment
  UCR116864  Daucus pusillus A. C. Sanders, Steven R. Hill 2001-5-4 24126 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  UCR266488  Daucus pusillus Mitch Provance, Matt Amalong 2015-3-25 315- 33 Riverside Paloma Valley, Murrieta, old Clydesdale horse ranch 0.4-0.6 miles S of Keller Rd., along unmarked dirt portion of Menifee Rd. 450 Comment
  UCR91488  Daucus pusillus Scott D. White, Marty Jacobsmeyer 1996-4-20 3960 Riverside Perris-Aguanga Basin region, SW of Perris: hillside south of the San Jacinto River channel 518 Comment
  UC1590081  Deinandra fasciculata Robert Gustafson and Gary Wallace 1983-6-23 2720 Riverside along Clinton Keith Road ca 2 1/2 mi from junction Hwy 15; Santa Ana Mts. Comment
  CAS-BOT-BC294106  Deinandra kelloggii H. M. Hall 1901-6-1 2420 Riverside San Jacinto Mountains. In the vicinity of Strawberry Valley 1828 Comment
  RSA703537  Deinandra kelloggii R. E. Riefner Jr. 2004-4-27 04 -145 Riverside Morreno Valley, south of Allesandro St. near Merwin St. and Kimber Ave. 354 Comment
  RSA703539  Deinandra kelloggii R. E. Riefner Jr. 2004-4-27 04 -147 Riverside Morreno Valley, south of Allesandro St. near Merwin St. and Kimber Ave. 354 Comment
  CAS-BOT-BC291901  Deinandra mohavensis A. C. Sanders; Steve Boyd; Jeff Ross; Mitch Provance 1998-10-25 22271 Riverside San Jacinto Mtns.: Mt. Edna Road, ca. 0.2 mi. west of Hwy 243 1159 Comment
  UCR252706  Deinandra mohavensis R. E. Riefner Jr. 2014-6-24 14- 194 Riverside Perris-Aguanga Basin, city of Hemet, Santa Rosa Hills, Simpson Park, south c. 0.15 mi from Rawlings Road and Margret Lane 740 Comment
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Feb 4 2015
  CAS-BOT-BC7989  Delphinium parishii subsp. parishii Donald Alexander Johansen; J. Ewan 1932-4-10 7094 Riverside Mouth of Tahquitz (west) Canyon above Palm Springs, Western Colorado Desert Comment
  CLARK-A1528-3865  Delphinium parryi John C. Roos 1937-5-2 1415 Riverside La Sierra Comment
  UC702865  Delphinium parryi Charles B. Fiker 1946-5-30 3494 Riverside dip s Temecula River bridge on Hwy 395 Comment
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Aug 12 2016
  SD160867  Delphinium parryi subsp. parryi Virginia Moran 2003-5-23 Riverside Peninsular Ranges; Perris-Aguanga Basin region: Wilson Valley Mitigation Bank, managed by the Center for Natural Lands Management. Section 33 of two that comprise mitigation bank. Accessed from Wilson Valley Road. Sage 7.5 Quadrangle. Comment
  RSA357135  Dendromecon rigida subsp. rigida Robert F. Thorne 1969-10-25 41852 Riverside N of San Bernardino National Forest: N of Boundary on Idlywild-Banning road Comment
  SD232142  Deschampsia danthonioides Scott D. White, Justin M. Wood 2009-5-21 12855 Riverside San Jacinto mountains, Garner Valley, near abandoned duck ponds, South of Quinn Flat. Comment
  RSA608703  Deschampsia elongata L. C. Wheeler 1961-6-20 7892 Riverside West fork of Tahquitz Creek. 2378 Comment
  RSA0120236  Descurainia pinnata subsp. brachycarpa Duncan S. Bell, Thomas Stoughton 2016-4-14 9282 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
  SEINET12005374  Descurainia pinnata subsp. halictorum Unknown 1936-1 12757 Riverside E of Banning Comment
  UCR117100  Descurainia sophia A. C. Sanders, T. B. Salvato 2001-5-3 24115 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  RSA180266  Dicentra chrysantha E. W. Lathrop 1965-4-4 5639 Riverside 8 miles west of Murrieta Comment
  RSA772016  Dicentra chrysantha Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4954 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 750 Comment
  CLARK-A1528-10  Dichelostemma pulchellum 1952-2-29 Riverside San Jacinto Mountains Comment
  CAS-BOT-BC292191  Dicoria canescens Marcus E. Jones 1924-10-1 s.n. Riverside Whitewater Comment
  POM15075  Dicoria canescens Mary F. Spencer 1920-4-20 1931 Riverside Palm Springs. 122 Comment
  SBBG61157  Dicoria canescens M. E. Jones 1928-1-3 Riverside Indio -4 Comment
  SD255089  Dicoria canescens Duncan S. Bell 2010-10-23 1991 Riverside East side of Arica Mountains; west side of Rice Valley; abaout 3 air miles south of the ghost stown of Rice. 227 Comment
  UCR113933  Digitaria ischaemum Mitch Provance, A. C. Sanders 2000-7-4 2096 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  SD243250  Diplachne fusca var. uninervia Mike Lahti 2008-12-12 Riverside Hemet. Bautista Creek Ranches, 45200 Bautista Road, near Fairview Avenue. Comment
  CAS-BOT-BC153101  Diplacus fremontii E. H. Daniels; J. Bates 1932-6-6 s.n. Riverside Alberhill, Temescal Canyon, between Corona and Elsinore 350 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
  RSA0018426  Diplacus longiflorus var. calycinus C. W. Tilforth, Walter Wisura 1979-8-8 1897 Riverside Highway 243 at turn-off to Poppet Flat, south of Banning. 1189 Comment
  RSA0018427  Diplacus longiflorus var. calycinus Robert F. Thorne, C. W. Tilforth, J. P. Simon 1969-6-24 38133 Riverside San Bernardino National Forest, San Jacinto Mountains: Lake Fulmor. 1677 Comment
  RSA719244  Ditaxis lanceolata Michael Honer, Lincoln Hulse 2004-4-3 1908 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. Peninsular Ranges, San Ysidro Mountains: W side of Otay Mtn; 1.5 km SSE of Savage Dam (Otay Lake); N of County Prison; near tributary to Otay River, N of O'Neal Canyon. 610 Comment
  RSA0027472  Ditaxis neomexicana Deidre Conocchioli, Billy Sale, Naomi Fraga 2013-9-25 54 Riverside East of Alligator Rock: From I-10 at Desert Center, head south on CA-177 to BLM Rd 394 (dirt). Collection site is 1.1 miles SW of interstate exit ramp. 334 Comment
  RSA776300  Ditaxis neomexicana Duncan S. Bell, Amanda Turek 2010-4-10 824 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  RSA796748  Ditaxis neomexicana J. Andre 2012-4-11 20842 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
  UCR104011  Ditaxis neomexicana George K. Helmkamp, E. A. Helmkamp 1998-2-5 2684 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  UCR245233  Ditaxis neomexicana Jim Andre 2012-3-19 21323 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
  CAS-BOT-BC43652  Dithyrea californica Ivan Johnston 1917-4-4 1107 Riverside Colorado Desert. Near Palm Springs. Comment
  RSA530742  Dithyrea californica M. B. Dunkle 1935-3-17 4396 Riverside Desert Center. 610 Comment
  UC1329976  Dithyrea californica James E. Cole 1941-3-30 449 Riverside Pinto Basin Joshua Tree National Monument 457 Comment
  UCR1209  Dithyrea californica Martha McCarthy 1960-3-13 s.n. Riverside NW Colorado Desert, Whitewater Canyon Road, 0.5 mi from junction with US Hwy 60-70-99 457 Comment
  UCR72163  Dithyrea californica Theo Glenn 1991-5-8 91- 81 Riverside Sonoran (Colorado) Desert, Big Maria Mtns, north of Blythe 378 Comment
  RSA395359  Dodecahema leptoceras Steve Boyd 1986-4-22 1738 Riverside Temescal Canyon: Stable alluvial benches of Indian wash just south of I-15. Comment
  UC168143  Draba corrugata Dr. A. Davidson Riverside summit Mt. San Jacinto Comment
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Jul 5 2012
  RSA777831  Draba cuneifolia Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 857 Riverside Chuckwalla Mountains, Chuckwalla Mountains Wilderness, off Corn Spring Road, main wash adjacent Corn Spring Road, draining from Corn and Aztec Springs up on Chuckwalla, flowing NNE 396 Comment
  RSA0019582  Drymocallis glandulosa var. wrangelliana I. M. Johnston 1918-4-27 1873 Riverside Temecula Canyon. 610 Comment
  RSA423463  Dudleya N. C. Cooper 3957 Riverside Elsinore 610 Comment
  JEPS49925  Dudleya lanceolata W. L. Jepson 1901-5-17 1222 Riverside Riverside Comment
  RSA494649  Dudleya lanceolata B. L. Phillips 1988-6-2 s.n. Riverside E Riverside, near Creek on W side of Box Springs Mt. Comment
  SD241802  Dudleya lanceolata A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38401 Riverside Peninsular Range: southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341a^z) of intersection of I-15 and Lake St. 526 Comment
  CAS-BOT-BC109602  Dudleya saxosa subsp. aloides Reid Moran 1950-4-28 3407 Riverside Whitewater. 457 Comment
  UCR86035  Dysphania pumilio Michael A. Patten 1992-5-7 92- 26 Riverside Santa Ana mtns., Santa Rosa Plateau, along Via Vaquero at Via Oesta, c. 5 km. west of Temecula 399 Comment
  CDA1982  Echinochloa colona T. C. Fuller 1970-10-7 19799 Riverside Palo Verde Valley, southwest of Blythe. 0 Comment
  SD217180  Echinochloa crus-galli Darin L. Banks, Lauren Raz 1996-8-29 1134 Riverside NW foothills of Dorland Mountain; along Los Caballos Road, approx. 0.5 meters south of Highway 79, 100 meters north of the Golf Course access road; along the east side of the road under the drip irrigation line to a vineyard (I(c) mile north of T8S R2W S24) 398 Comment
  UCD169372  Ehrharta longiflora Tom Chester 2005-4-15 580 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Margarita Ecological Reserve: Temecula Gorge, south side. 239 Comment
  RSA750102  Eichhornia crassipes R. E. Riefner 2009-2-25 9 -18 Riverside city of Lake Elsinore, south side of Temescal Wash, west of Hwy 74, vicinity of Bromley Ave. at Bennett St. 380 Comment
  UCR205879  Eichhornia crassipes R. E. Riefner Jr. 2009-2-25 09- 18 Riverside Peninsular Range, city of Lake Elsinore, south side of Temescal Wash, west of Hwy 74, vicinity of Bromley Ave. at Bennett St. 380 Comment
  RSA198947  Elatine chilensis R. F. Thorne, E. W. Lathrop, P. A. Munz 1968-5-8 37559 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California. 671 Comment
  POM12417  Eleocharis acicularis var. occidentalis Phillip A. Munz 1922-9-6 6376 Riverside Hidden Lake, San Jacinto Mountains. 2637 Comment
  UCR182517  Eleocharis macrostachya Mitch Provance 2005-5-17 6568 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  UCR275578  Eleocharis macrostachya T. B. Salvato, Jennifer Weiland 2005-6-13 605- 1 Riverside Peninsular Range; Temescal Valley, c. 1.5 mi N of Lake Elsinore at Nichols Road, between the intersection of Pierce and Baker Streets and Alberhill Creek, S of Hwy I-15 390 Comment
  UCR200686  Eleocharis parishii Steve Boyd, Aydee Virgen 2004-4-13 10880 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  POM14327  Eleocharis quinqueflora Phillip A. Munz 1922-7-7 6050 Riverside San Jacinto Mountains: Round Valley 2713 Comment
  SD122830  Eleocharis radicans Steve Boyd 1985-8-7 1108 Riverside Santa Rosa Plateau region, northwest base of Redonda Mesa on Tenaja Road, 0.8 miles east of junction with 8S01 and 8S02. Diminutive, but abundant sedge of wet mud of swale along road. Comment
  CDA19961  Eleusine indica J. Chandler 2002-9-4 PDR P 168849 Riverside Southwestern California; Growing around faucet used to wash Road Dept vehicles on Washington St, Riverside. 0 Comment
  SD137953  Elymus X gouldii Darin L. Banks, Steve Boyd 1995-10-17 779 Riverside Agua Tibia Wilderness Area: Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E 512 Comment
  RSA450649  Elymus X hansenii J. C. Roos 1952-6-13 5765 Riverside Reche Canyon., [34 deg 02'55N, 117 deg 17'20W 457 Comment
  SD187318  Elymus condensatus Scott D. White, Angelia Carey 2004-9-16 10749 Riverside San Jacinto Mountain foorhills: Along Poppet Creek northeast of San Jacinto River. 561 Comment
  UCR133331  Elymus condensatus John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR2355  Elymus condensatus H. S. Fawcett 1914-8-21 1589 Riverside San Bernardino Valley/Upper Santa Ana River region, Temescal Canyon, near the road 381 Comment
  POM13071  Elymus elymoides E. C. Jaeger 1921-6-25 s.n. Riverside Caramba, Palms to Pines Trail, San Jacinto Mountains., [Caramba Camp: 34 deg 47'N, 116 deg 37'25W] Comment
  RSA131656  Elymus glaucus E. K. Balls 1958-6-27 23290 Riverside Between Santiago Peak and junction with Indian Truck Trail, along Main Divide, Santa Ana Mountains. 1372 Comment
  RSA343113  Elymus glaucus R. F. Thorne, Walter Wisura, E. W. Lathrop, Sara Meury 1985-5-18 60637 Riverside Santa Rosa Plateau: Cole Canyon, near entrance to Nature Conservancy Reserve. 530 Comment
  NY43125  Emmenanthe penduliflora J. B. Walker 1995-5-4 1415 Riverside San Bernardino National Forest, Hwy 74, 3km E of junction with Santa Rosa Mtn Rd 1400 Comment
  RSA357851  Emmenanthe penduliflora Robert F. Thorne, M. Z. Thorne 1973-3-30 42696 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  RSA525694  Emmenanthe penduliflora Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4565 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  POM356674  Encelia actoni Norman C. Cooper 1949-6-29 4285 Riverside Palms to Pines Hwy, San Jacinto Mt 915 Comment
  UCSB12291  Encelia californica Tarwater, Shirley 1961-3-30 Riverside 5 miles from Highway 71, on Lake Matthews Rd. 152 Comment
  CAS-BOT-BC131343  Encelia farinosa Geo. B. Grant 1906-4-20 6720 Riverside Palm Springs Comment
  LA202443  Encelia farinosa Harlan Lewis; 1952-4-5 sn Riverside Road to 29 Palms 1 mi. S of road to Desert Hot Springs Comment
  RSA0041454  Encelia farinosa Duncan S. Bell, LeRoy Gross 2014-3-20 6279 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  RSA796096  Encelia farinosa Duncan S. Bell 2009-4-20 306 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  RSA0045152  Encelia farinosa Andrew Haimov, April Sleigh 1992-5-10 84 Riverside East side of Davis Road, 3 miles south of Allessandro Road, bordering San Jacinto Wildlife Area. Comment
  POM4936  Encelia farinosa var. farinosa I. M. Johnston 1917-6-5 1937 Riverside Hills south of Arlington 366 Comment
  CAS-BOT-BC166529  Encelia farinosa var. phenicodonta A. C. Sanders; Mark Bibbo; Erin Bergman; Lance Woolley 2010-3-16 37484 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
  UCR60770  Encelia farinosa var. phenicodonta Steve Boyd, O. Mistretta 1986-3-13 1470 Riverside Sonoran (Colorado) Desert, West side of Palen Mountains, NE of Desert Center. Upper bajada at base of range 244 Comment
  CAS-BOT-BC131425  Encelia frutescens Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13228 Riverside Rice-Desert Center road, at intersection of San Bernardino-Riverside county line Comment
  UC1979833  Encelia frutescens Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-4-6 981 Riverside Mojave Desert; Southcentral Mojave Desert region: Iron Mountains, on southwest side of mountains in drainage on either side of the road. Comment
  CLARK-A1528-4994  Encelia virginensis subsp. actonii John C. Roos 1948-4-24 3790 Riverside Cabazon 547 Comment
  RSA383800  Ephedra aspera E. C. Jaeger 1922-3-22 s.n. Riverside Murray Canyon 305 Comment
  POM999  Ephedra aspera I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. In desert along mts. 305 Comment
  PASA1843  Ephedra californica R. Peirce 1966-5-17 Riverside Windy Point, 2 mi. S. of White Water P.O. Comment
  UCR123755  Ephedra californica Steven R. Hill 2001-4-29 33542 Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  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
  SEINET3220794 Image available Ephedra fasciculata Norman C. Cooper 1949-4-8 3285 Riverside Shaver's Summit east of Indio. Comment
  UCR91061  Ephedra nevadensis Bern Schwenn 1994-2-20 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument, Little San Bernardino Mtns. 'Hidden Gold' Canyon near the Hidden Gold Mine. Above the Park Service barrier at the bottom end of the curve, in S13. 854 Comment
  CAS-BOT-BC81876  Ephedra trifurca Carl B. Wolf 1932-4-29 3122 Riverside Eastern Colorado Desert, 3 mi. So. of Rice on Blythe Road 213 Comment
  UC56367  Epilobium brachycarpum J. Vanderventer 1903-1 17 Riverside San Jacinto Mts. Comment
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Mar 12 2011
  SD262323  Epilobium campestre Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-5-23 517 28 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 (Romoland 7.5'Q) 430 Comment
  RSA588601  Epilobium canum subsp. canum D. L. Banks, Steve D. Boyd 1995-10-17 812 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
  SD137711  Epilobium canum subsp. canum Darin L. Banks, Steve Boyd 1995-10-17 795 Riverside Northwest Palomar Mountains; Cleveland National Forest; along lower Arroyo Seco, south of the Dripping Springs Campground. 523 Comment
  JOTR32640  Epilobium canum subsp. latifolium La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2561 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Convergence of Lower Covington Flat and Smith Water Canyon (Stop 3) 1362 Comment
  POM244818  Epilobium ciliatum subsp. ciliatum E. C. Jaeger 1938-8-15 s.n. Riverside Cottonwood Creek. About 20 miles south of Hemet. 915 Comment
  RSA736659  Epilobium ciliatum subsp. ciliatum Justin M. Wood 2008-7-16 27 Riverside Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan property, Alberhill area. Comment
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Jul 31 2009
  SD193324  Epilobium densiflorum A. C. Sanders, Kelly Volansky 2005-8-31 31578 Riverside Santa Rosa Plateau, hills west of headwaters of De Luz Creek; 0.5 mile north of Tenaja Rd. 671 Comment
  RSA249865  Epipactis gigantea Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38152 Riverside San Bernardino National Forest, San Jacinto Mountains: Lake Fulmor. 1677 Comment
  RSA6132  Epipactis gigantea B. D. Stark 1933-5-13 4985 Riverside Andreas canyon. 701 Comment
  RSA684674  Equisetum laevigatum Gale Sphon 1955-5-22 s.n. Riverside Hemet Meadow. Comment
  RSA684644  Equisetum telmateia var. braunii H. Twining 1890-04 s.n. Riverside Riverside 240 Comment
  CLARK-A1528-4637  Eragrostis cilianensis Alfred R. Roos 1927-9-22 10176 Riverside La Sierra Comment
  RSA432722  Eremalche rotundifolia Robert L. Dressler 1949-3-19 403 Riverside Box Canyon, Orocopia Mts. Comment
  RSA4888  Eremalche rotundifolia Carl B. Wolf 1932-4-27 3004 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 Comment
  UCR279597  Eremalche rotundifolia A. C. Sanders, Jim Malusa 2017-3-28 43164 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  RSA500123  Eremocarpus setiger Steve Boyd, T. S. Ross, L. Arnseth 1989-6-10 3688 Riverside Vail Lake area, Benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  OBI66290  Eremothera refracta LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1409 Riverside Colorado Desert; Chocolate-Chuckwalla Mts region: Corn Springs campground in the Chuckwalla Mts, Cyn SW of campground 480 Comment
  SBBG87906  Eremothera refracta A. C. Sanders, B. Pitzer, D. Charlton 1986-3-2 6059 Riverside Chuckwalla Bench, S side of the Chuckwalla Mtns, on the Bradshaw Rd ca. 2 mi E of the gasline rd 640 Comment
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Jun 1 2011
  UC70079  Eremothera refracta E. E. Schellenger Apr. 1905 Riverside Santa Maria Mts. Colorado Desert Comment
  UCR162890  Eriastrum A. C. Sanders, K. C. Rose 1995-4-5 16383 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  CLARK-A1528-3491  Eriastrum densifolium John C. Roos 1965-7-22 Riverside San Jacinto Mountains Comment
  JEPS69015  Eriastrum densifolium subsp. austromontanum M. French Gilman 1921-1 747 Riverside San Jacinto Mts. Comment
  HSC101781  Eriastrum densifolium subsp. elongatum J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13183 Riverside Along Hwy. 74. 972 Comment
  JOTR31169  Eriastrum densifolium subsp. elongatum La Doux, Tasha 2009-6-3 1872 Riverside Joshua Tree National Park. (Stop 6): Little San Bernardino Mountains, Covington Flats Area, dry ephemeral wash near parking area 1426 Comment
  UCR177988  Eriastrum eremicum John Wear 2004-4-1 s.n. Riverside Sonoran (Colorado) Desert, Palm Springs, 2 acre parcel c. 320 ft. east of intersection of West Vista Chino and Via Norte on the north side of Vista Chino, 310 and 320 West Vista Chino Road 183 Comment
  CAS-BOT-BC514474  Eriastrum eremicum subsp. eremicum Annie M. Alexander; Louise Kellogg 1941-5-23 2219 Riverside 4 mi NE of Cottonwood Spring, Colorado Desert 1112 Comment
  SEINET4565906  Eriastrum harwoodii Duncan S. Bell 2010-5-1 903 Riverside Arica Mountains: northwest of mountain range, approximately 8.6 air miles west of the ghost town of Rice, and approximately 6.8 air miles northwest of Priests Well.; 0 286 Comment
  SEINET4042279  Eriastrum sapphirinum C. Davidson 1975-1 2807 Riverside 4 miles south of Banning on Road R1 to Idyllwild. 1127 Comment
  UC130497  Eriastrum sapphirinum Charlotte M. Wilder 1909-7-15 959 Riverside at gate near keeper's house; Hemet Valley Comment
  UCR1202  Eriastrum sapphirinum Carol Chaney 1960-5-5 s.n. Riverside Banning, 0.1 mi. on San Gorgonio Ave., from intersection of San Gorgonio Ave. and Wesley St. On slopes of hill to right of road Comment
  UCR231733  Eriastrum sapphirinum John F. Green 2008-4-23 08- 16 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  UCR35053  Eriastrum sapphirinum L. B. Ziegler 1964-8-30 23 Riverside San Jacinto Mtns., Hemet (Garner) Valley, Thomas Mtn. subdivision 1402 Comment
  RSA0121573  Eriastrum sapphirinum subsp. dasyanthum J. B. Feudge 1924-5-20 898 Riverside Cabazon, Colorado Desert 542 Comment
  RSA0122959  Eriastrum sapphirinum subsp. dasyanthum Ed LaRue 1989-5-4 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; At McViker Canyon. 488 Comment
  UCR225681  Eriastrum sapphirinum subsp. dasyanthum Steve Boyd, Valerie Soza 2004-6-22 11546 Riverside Peninsular Ranges; San Jacinto Mountains region, Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along Forest Service Road 5N13 near 5N06 1463 Comment
  RSA0121569  Eriastrum sapphirinum subsp. dasyanthum Albert J. Perkins 1919-1 s.n. Riverside Idllwild, San Jacinto Mts. Comment
  RSA0121584  Eriastrum sapphirinum subsp. dasyanthum E. W. Lathrop 1966-5-15 6300 Riverside 3 miles SE of Murrieta on the De Luz Road. Comment
  RSA0121590  Eriastrum sapphirinum subsp. dasyanthum J. T. Howell 1928-7-9 1078 Riverside Temecula Grade, 4 miles S of Temecula. 396 Comment
  CAS-BOT-BC172852  Ericameria brachylepis A. C. Sanders 2004-7-1 28372 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, just off Wickard Rd. ca. 1 mile east of the Menifee-Antelope Community Hall, 5 miles due south of Sun City 476 Comment
  UC63164  Ericameria cuneata var. cuneata H. M. Hall Jun 1 1901-Jul 1 1901 2327 Riverside near Tauquitz; San Jacinto Mountains 2133 Comment
  JEPS31353  Ericameria linearifolia W. L. Jepson 1901-5-25 1442 Riverside Santa Rosa Indian Village Santa Rosa Mountains Comment
  UCR174948  Ericameria linearifolia Jennifer H. Jones, Toby Bartels 2006-4-23 274 Riverside Transverse Ranges; San Bernardino Mtns., Banning Pass, NE of Cabazon along powerline road and in Deep Canyon 744 Comment
  UC134761  Ericameria nauseosa var. hololeuca J. W. Toumey 1894-9-27 Riverside Banning Comment
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Mar 13 2011
  UC496517  Ericameria nauseosa var. oreophila Philip A. Munz 1932-10-16 12842 Riverside near Palm Creek; Santa Rosa Mts. 1463 Comment
  CAS-BOT-BC299531  Ericameria palmeri var. pachylepis E. A. Zumbro No date on label. 32 Riverside Blue Mt. Comment
  POM161198  Erigeron foliosus Hattie Wright 1929-6-25 s.n. Riverside Idyllwild, San Jacinto Mts. Comment
  UCR262561  Erigeron foliosus T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3760 Riverside San Jacinto Mountains, San Jacinto River Canyon, c. 0.16 mi south-southwest of the dirt parking area at the head of the South Fork Trail (FSR 2E17) from Hwy 74 1250 Comment
  UC1929909  Erigeron foliosus var. foliosus Scott D. White 2004-4-26 10243 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. Lake Fulmore 7.5' Quad. Comment
  UCR59698  Eriochloa acuminata George K. Helmkamp 1989-9-16 s.n. Riverside Sonoran (Colorado) Desert, Colorado River Valley; hayfield on W side of state Hwy 78, 0.7 mi north of Palo Verde 71 Comment
  CAS-BOT-BC189087  Eriodictyon crassifolium Peter H. Raven 1959-4-23 14017 Riverside 1.2 miles W of Dripping Springs Comment
  SEINET13710359  Eriodictyon crassifolium J. Adams, J. Adams (Botany) 1965-1 193 Riverside 2 Mi. Above Banning on Rd Toward Idyllwild 3500 Ft 1067 Comment
  UC455938  Eriodictyon crassifolium var. crassifolium I. J. Condit 1910-6-24 Riverside San Jacinto Mts. Comment
  SEINET5791616 Image available Eriodictyon trichocalyx A. E. Grable 1976-7-4 6453 Riverside Santa Rosa Mountains Road near Mountain Home Spring, California. T7S S28 NE 1/4 SW 1/4. Comment
  RSA663306  Eriodictyon trichocalyx var. trichocalyx Mitch Provance 1998-6-12 701 Riverside Riverside, 1/8 mile NW of Tequesquite Ave. and Gregory Rd. 229 Comment
  RSA0034268  Eriogonum John F. Emmel 1982-11-10 836 Riverside Ramona Expressway, at south edge of the Bernasconi Hills, near Lake Perris. 487 Comment
  RSA393082  Eriogonum apiculatum N. C. Cooper 1949-6-29 4284 Riverside Palms to Pines Hwy, San Jacinto Mt 915 Comment
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May 13 2011
  RSA78305  Eriogonum apiculatum P. A. Munz, E. K. Balls 1952-8-21 17975 Riverside Santa Rosa Spring, Santa Rosa Mts. 2134 Comment
  SD1298  Eriogonum apiculatum Florence Youngberg 1933-8-26 Riverside Idyllwild, San Jacinto Mts. Comment
  CAS-BOT-BC242784  Eriogonum davidsonii Susan G. Stokes 1933-7-1 76 Riverside Beside road to Idyllwild Comment
  RSA739335  Eriogonum davidsonii Keith E. Hoffmaster 1937-6-6 810 Riverside Palms to Pines road near Keen Camp. PR4. Comment
  SBBG61985  Eriogonum deflexum R. Hoffmann 1928-10-21 Riverside below Fig Tree John's [Figtree John Spring] -60 Comment
  CHSC109288  Eriogonum deflexum var. deflexum Steve Boyd; T. Morgan, A. Virgen, S. DeGroot, V. Arvizu 2004-5-14 11244 Riverside Colorado Desert: Chocolate-Chuckwalla Mountains region: Western base of the Chocolate Mountains, small canyon ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  POM14218  Eriogonum deflexum var. deflexum P. A. Munz, D. D. Keck 1922-4-9 4778 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
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Apr 5 2011
  RSA393269  Eriogonum deflexum var. deflexum N. C. Cooper 1949-4-8 3257 Riverside Mecca Pass east of Indio. 610 Comment
  SJSU9524  Eriogonum deflexum var. deflexum R. C. McGehee 1970-4-15 206 Riverside Wileys Well, 26 mi SW of Blythe Comment
  RSA771106  Eriogonum elongatum Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4733 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119. 604 Comment
  UCR49110  Eriogonum elongatum J. D. Tenhunen, James C. Dice 1987-9-9 722 Riverside c. 1.6 km NNW of Royal Oak Ranch 380 Comment
  RSA596114  Eriogonum elongatum var. elongatum D. L. Banks 1996-11-7 1199 Riverside NW Palomar Mountains; Agua Tibia Mountains; Pechanga Indian Reservation, E of San Gabriel Church; At the end of the main road in the Reservation, 150 m E of the spring on the northern fork of Pechanga Creek at the E end of the Reservation. 579 Comment
  CLARK-A1528-3737  Eriogonum fasciculatum C. Epling, H. Lewis 1941-5-2 Riverside Chuckwalla Mountains 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
  UC849407  Eriogonum fasciculatum var. flavoviride C. L. Hitchcock 1940-4-1 5903 Riverside 1 mi below Cottonwood Spring; Joshua Tree National Monument Comment
  RSA0005004  Eriogonum fasciculatum var. flavoviride P. A. Munz 1921-4-30 4505 Riverside Pinyon Wells 1220 Comment
  UC6288  Eriogonum fasciculatum var. foliolosum Geo. F. Reinhardt June, 1897 Riverside San Jacinto Valley Comment
  CAS-BOT-BC250143  Eriogonum fasciculatum var. polifolium J. H. Thomas 1949-4-24 461 Riverside 2 miles east of Whitewater, between Banning and Indio Comment
  JOTR29156  Eriogonum fasciculatum var. polifolium La Doux, Tasha, K. Knudsen, J. Galvin 2005-8-22 1231 Riverside Joshua Tree National Park. Eureka Peak Comment
  RSA751631  Eriogonum fasciculatum var. polifolium G. Gust, L. Nye 2005-3-11 543 Riverside Lake Elsinore City Limits. Hwy 74 ca. 1-2 miles W of lake Elsinore on hill slope pullout. 481 Comment
  UCR11685  Eriogonum fasciculatum var. polifolium Carl Epling, Wm. Robison 1933-6-24 s.n. Riverside San Gorgonio Wash Comment
  POM145357  Eriogonum gracile var. gracile J. B. Feudge 1923-11-12 470 Riverside Cabazon, Colorado Desert. 579 Comment
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Mar 13 2011
  POM153377  Eriogonum gracile var. gracile P. A. Munz, I. M. Johnston 1928-9-12 11252 Riverside Temescal Canyon. Comment
  RSA66029  Eriogonum gracile var. gracile F. W. Peirson 1924-7-29 5029 Riverside Banning to Idyllwild road, San Jacinto Mountains. 1570 Comment
  UC1979610  Eriogonum gracile var. incultum D. L. Banks, Steve Boyd 1995-10-17 0767 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E. Comment
  POM229427  Eriogonum inflatum var. deflatum P. A. Munz 1937-5-29 15145 Riverside Dead Indian Creek, north base of Santa Rosa Mts. 457 Comment
  UC412857  Eriogonum inflatum var. deflatum Mrs. F. Stephens 1902-8-20 Riverside Chuckwalla Mts. Comment
  CAS-BOT-BC270599  Eriogonum molestum James L. Reveal; Caroline G. Reveal 1972-8-9 2866 Riverside Along California Highway 243, 6.5 miles northwest of Alandale Ranger Station and about 0.5 mile south of Bay Tree Spring near the trail to Black Mountain, San Jacinto Mountains Comment
  JEPS56702  Eriogonum molestum W. L. Jepson 1903-8-6 2281 Riverside Chalk Hill San Jacinto Mt. (trip to Spruce Canyon) 1524 Comment
  JOTR35374  Eriogonum nudum var. pauciflorum Wheeler, Mark 2011-10-20 s.n. Riverside Joshua Tree National Park. just east of Inspiration Point, localized population in canyon 1620 Comment
  UCR243514  Eriogonum pusillum Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21079 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, up side canyon approx. 400 m. west of main canyon drainage 1172 Comment
  CAS-BOT-BC263512  Eriogonum thomasii H. L. Mason 1928-3-10 4190 Riverside White Water River Comment
  CAS-BOT-BC263546  Eriogonum thomasii Carl B. Wolf 1932-4-27 3014 Riverside 17 mi. E. of Mecca on Blythe Road, Colorado Desert 152 Comment
  JEPS56267  Eriogonum thomasii W. L. Jepson 1928-4-23 12546 Riverside Shaver's Well Colorado Desert, Shaver's Well 152 Comment
  RSA0121005  Eriogonum thomasii Duncan S. Bell, LeRoy Gross 2016-3-8 8828 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of the range; approximately 1.75 air miles north of the Bradshaw Trail. 466 Comment
  RSA517917  Eriogonum thomasii Steve Boyd, Thomas S. Eliaws, Erika Winter 1986-2-18 1336 Riverside Shavers Valley, Colorado Desert: Hwy 195 north base of the Orocopia Mountains, halfway between Box Canyon and I-10. Comment
  SBBG81367  Eriogonum thomasii S. A. Junak 1983-3-23 1635 Riverside E side of Jefferson Rd across from entrance to Cahuilla Lake County Park, S of Indio Comment
  SBBG99612  Eriogonum thomasii W. L. Halvorson 1977-3-8 77 -92 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  UC912698  Eriogonum thomasii C. L. Hitchcock 1940-3-31 5890 Riverside between Cottonwood Spring and Pinto Basin Comment
  UCR16512  Eriogonum thomasii David Eslinger 1970-4-25 s.n. Riverside Colorado, 2 mi. N [of junction of] Interstate Hwy 10 and State Hwy 195 into Joshua Tree National Monument [now J.T.N. Park], 200 ft. NW of road 610 Comment
  UCR196356  Eriogonum thomasii Naomi Fraga, Lisa Rojas 2005-2-10 1354 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 365 Comment
  CHSC110677  Eriogonum thurberi Dean Wm. Taylor 2003-5-6 18517 Riverside Wash of the San Gorgonia River ca. 1 miles south of the intersection of Highway 111 with Interstate 10. 365 Comment
  RSA766491  Eriogonum trichopes Alice Hutchinson 1931-09 6853 Riverside Between Desert Center and Blythe 122 Comment
  UCSB24382  Eriogonum wrightii Wheeler, Louis 1933-12-1 Riverside Mouth of Tahquitz Canyon; San Jacinto Mts 152 Comment
  CAS-BOT-BC264934  Eriogonum wrightii var. membranaceum Louis C. Wheeler 1931-10-4 172 Riverside Strawberry Valley, San Jacinto Mts. 1584 Comment
  RSA735474  Eriogonum wrightii var. membranaceum LeRoy Gross, Elizabeth A. Kempton 2008-8-21 3573 Riverside Southern spur of Pine Meadow, southeast of Highway 371, northwest of Santa Rosa Summit. Survey north side of Highway 74. 1477 Comment
  UC496514  Eriogonum wrightii var. membranaceum Philip A. Munz 1932-10-16 12839 Riverside Palm Creek Sata Rosa Mts., Palm Creek 1463 Comment
  UCR13758  Eriogonum wrightii var. membranaceum N. R. Zabriskie, W. W. Zabriskie 1972-9-7 534 Riverside Peninsular Range; San Jacinto Mtns., Strawberry firebreak, south of S end of Marion Ridge Road, Pine Cove, W drainage Mtns 1921 Comment
  RSA0104079  Eriogonum wrightii var. wrightii Duncan S. Bell, Evan Meyer 2014-10-28 7667 Riverside Orocopia Mountains; northwest section of range; approximately 1.8 air miles northwest of the summit of Orocopia Mountain. 936 Comment
  UCR274220  Eriogonum wrightii var. wrightii Duncan S. Bell, Evan Meyer 2014-10-28 7667 Riverside northwest section Orocopia Mountains, c. 1.8 air miles northwest of the summit of Orocopia Mountain 936 Comment
  RSA33498  Eriophyllum confertiflorum Norman C. Cooper 1944-5-7 1184 Riverside Banning 701 Comment
  RSA701397  Eriophyllum confertiflorum Steve Boyd, Aydee Virgen 2004-4-13 10869 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  SEINET2051097 Image available Eriophyllum confertiflorum R. P. Sunderman 1968-5-1 5 Riverside University of California, Riverside. 335 Comment
  UCR21976  Eriophyllum confertiflorum Steve Boyd 1980-5-5 208 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  SJSU5248  Eriophyllum lanosum R. C. McGehee 1970-4-16 208 Riverside between Wileys Well & Nyland Comment
  UCR281271  Eriophyllum multicaule Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-4-14 417- 31 Riverside Peninsular Ranges, Sedco Hills (east end), along transmission road, from 0.2 mi W of Beverly St. to the vicinity of intersection with Green Meadow Way 592 Comment
  CAS-BOT-BC296929  Eriophyllum wallacei Peter H. Raven 1958-5-18 12967 Riverside 2.3 miles from Mountain Center on road to Hemet, San Jacinto Mountains Comment
  SDSU4119  Eriophyllum wallacei T. Bruhns 1965-5-23 130 Riverside At 2,000 ft., sign along state highway 74, below Idyllwild. 610 Comment
  UC1428710  Eriophyllum wallacei J. L. Strother 1973-3-21 1159 Riverside above Chiriaco Summit; Lost Palms Canyon Comment
Read comments
Mar 26 2011
  UCR72180  Eriophyllum wallacei Theo Glenn 1992-3-31 92- 17 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  RSA678971  Erodium botrys Scott D. White, Michael Honer 2003-6-3 9457 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UCR155320  Erodium brachycarpum A. C. Sanders, Mike Misenhelter 2005-3-23 29247 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR224993  Erodium cicutarium Dave Silverman, Cindy Hopkins, Jamison Miner 2008-3-31 7009 Riverside SE of Banning, old gravel pit/dump E of water treatment facility, along Smith Creek, 320 m S of East Westward Ave. 628 Comment
  UCR97892  Erodium cicutarium A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19845 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  UCR37442  Erodium macrophyllum Steve Boyd 1981-4-15 s.n. Riverside Gavilan Hills area, south of Lake Matthews Comment
  CAS-BOT-BC54330  Erysimum capitatum Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning. Comment
  RSA0016050  Erythranthe cardinalis Mary F. Spencer 1923-7-1 2232 Riverside Idyllwild, San Jacinto Mountains. 1646 Comment
  RSA0015883  Erythranthe moschata T. B. Salvato, A. C. Sanders 2005-5-17 895 Riverside San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy 74. 549 Comment
  UCR158857  Eschscholzia caespitosa Scott D. White 1994-6-21 2081 Riverside Temecula/Murrieta Region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  RSA433640  Eschscholzia caespitosa subsp. caespitosa D. A. Young 1969-3-28 P 394 Riverside 1/2 Mile NE of interstate 10 on Verbenia Ave. 100 yds S of Chaparral Rd on the SW side of Verbenia Ave. 335 Comment
  RSA433689  Eschscholzia californica N. C. Cooper 1944-4-22 1139 Riverside Banning. 762 Comment
  UCR251937  Eschscholzia californica Harun Bektas 2011-4-26 14 Riverside Riverside, Box Springs Mountain Park; 7 miles above Moreno Valley via Pigeon Pass Rd. 793 Comment
  UCR48342  Eschscholzia californica Steve Boyd 1986-4-22 1752 Riverside Temescal Canyon, stable alluvial benches of Indian Wash just south of Interstate Hwy 15 Comment
  RSA776133  Eschscholzia minutiflora Duncan S. Bell, Amanda Turek 2010-4-10 810 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  RSA776629  Eschscholzia minutiflora Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 943 Riverside Wash crossing Midland Rice Road, near saddle between Little Maria Mountains and Big Maria Mountains 320 Comment
  GMDRC7790  Eschscholzia papastillii J. M. Andre 2015-3-6 33553 Riverside Coachella Valley: sandy flats along Snow Canyon Rd, just south of Hwy 111 362 Comment
  UCD96503  Eschscholzia papastillii Shannon M. Still 2009-2-22 442 Riverside California. Riverside County: Joshua Tree National Park. ca. 2/3 way to Lost Palms Canyon on either side of Lost Palms Canyon Trail. 1049 Comment
  CAS-BOT-BC419619  Eschscholzia parishii Ynez Whilton Winblad 1937-3-22 s.n. Riverside Near Mecca Comment
  CAS-BOT-BC419634  Eschscholzia parishii W. R. Ernst 1960-3-15 720 Riverside East of Indio on Highway 60-70, about 6 miles west of Cactus City Comment
  CLARK-A1528-687  Eschscholzia parishii Fred B. Essig 1967-3-12 Riverside Joshua Tree National Park Comment
  UCR148439  Eschscholzia parishii S. J. Myers 2005-2-1 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, c. 9 miles (4 air line) east of North Shore along Coachella Canal right-of-way, N of Rancho Dos Palmas 21 Comment
  UCR101836  Eucalyptus camaldulensis B. G. Pitzer 1997-4-1 3052 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  UC1618027  Eucrypta chrysanthemifolia var. chrysanthemifolia Donald G. Nelson 1936-5-22 390 Riverside along trail from Ribbonwood Camp down to Palm Canyon (Pines to Palms Hwy, near base of Santa Rosa Mountains) Comment
  UCR239196  Eucrypta chrysanthemifolia var. chrysanthemifolia Steven R. Hill, A. C. Sanders 2001-5-4 33709 Riverside Santa Rosa Plateau, Santa Rosa Plateau, eastern rim, north side of Avenida del Oro, just east of junction with Sandia Creek Drive, 2 mi west of junction of Rancho California Road and Route I-15 509 Comment
  CDA37673  Eulobus californicus T. C. Fuller 1962-4-4 7997 Riverside West of Highway 99 [later renumbered Highway 86] to Indio, 1.3 miles north of Oasis. 0 Comment
  JOTR34191  Eulobus californicus La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2985 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  JOTR38694  Eulobus californicus Hodges, Stephen R. 2017-2-7 710 Riverside Joshua Tree National Park. Little San Bernardino Mountains, West Deception Canyon, near the mouth of the canyon just north of the park boundary Comment
  RSA0121044  Eulobus californicus Duncan S. Bell, LeRoy Gross 2016-3-29 9123 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5 air miles southeast of the summit of Martinez Mountain. 686 Comment
  UC1929948  Euphorbia albomarginata Scott D. White, Angelia Carey 2004-7-2 10551 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. San Jacinto 7.5' Quad. Comment
  UCR137040  Euphorbia albomarginata A. C. Sanders 2004-5-5 27755 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
  UCR171895  Euphorbia albomarginata John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, Temecula, Southern California Edison right of way between residential areas, N-S corridor between S General Kearny Road and La Serena Way; east of Veterans Park 366 Comment
  UCR176691  Euphorbia albomarginata R. D. Goeden, Don W. Ricker 1965-6-24 s.n. Riverside Riverside, east of Gage Canal near end of Massachusetts Ave. 320 Comment
  UCR97279  Euphorbia albomarginata Scott D. White 1993-4-30 1315 b Riverside San Jacinto Valley, Near intersection of Warren Rd. and Stetson Ave. 458 Comment
  UCR270198  Euphorbia peplus A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-3 42415 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, c. 0.3 km NW (161 deg. ) of water tank 473 Comment
  SEINET3409355  Euphorbia polycarpa G. Rink 2013-3-20 11898 Riverside About twelve miles west of Blythe, at the site of the proposed Quartzite solar power plant 105 Comment
  UCR82837  Euphorbia polycarpa A. C. Sanders, P. J. MacKay 1994-10-23 15850 Riverside San Bernardino Mtns/Colorado Desert, Whitewater River Canyon, between the trout hatchery and Bonnie Bell 671 Comment
  UCR46718  Euphorbia serpillifolia B. G. Pitzer, D. C. Hawks 1986-12-2 0368 Riverside Peninsular Range, Temescal Canyon, c. 1 mi north of Glen Ivy Hot Springs and 0.5 mi west of I-15 off Lawson Drive between Temescal Canyon Road & Warm Springs Dr. 336 Comment
  RSA515307  Euphorbia spathulata Jeri Hirshberg 1989-4-11 s.n Riverside Santa Rosa Plateau, S of town of Murrieta, Cole Canyon, NW of Mesa de Burro, at head of canyon. 609 Comment
  SD136895  Euthamia occidentalis Steve Boyd, Tim Ross, Dave Bramlet 1992-9-9 7674 Riverside San Mateo Canyon Wilderness Area. Upper San Mateo Canyon from junction of Tenaja Road and Los Alamos up San Mateo Trail to Potrero Cienega 395 Comment
  SJSU4939  Fagonia laevis J. A. Schroeder 1969-4-1 8 Riverside 10 mi N of Blythe Comment
  UCR275515  Fagonia laevis D. E. Bramlet 2010-3-1 4452 Riverside Sonoran (Colorado) Desert, West Berdoo Canyon, Little San Bernardino Mtns., c. 6 air miles north of Indio 366 Comment
  UCR277634  Fagonia laevis A. C. Sanders, Jim Malusa 2017-1-14 42659 Riverside Sonoran (Colorado) Desert, Salt Creek wash, where it passes bend in old Kaiser RR tracks, c. 6 miles east of Dos Palmas 119 Comment
  CDA22198  Fatoua villosa A. C. Sanders 2004-8-1 28766 Riverside Perris-Aguanga Region; 3 miles ENE of Perris, new nursery growing grounds W of Menifee Rd. (=Pozos Av.) & S of Nuevo Rd., between San Jacinto River and Nuevo. Comment
  UCR228926  Festuca microstachys A. C. Sanders 2011-4-6 39023 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between freeway and SCE substation, SE of Glen Ivy Hot Springs 329 Comment
  UCR88299  Festuca microstachys A. C. Sanders, K. C. Rose 1995-4-5 16367 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  UCR154832  Festuca octoflora A. C. Sanders, Mike Misenhelter 2005-3-23 29279 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  UCR19358  Festuca octoflora John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 miles southeast of Desert Center 366 Comment
  CDA2821  Ficus carica A. C. Sanders, O. F. Clarke 1991-6-1 11119 Riverside Upper Santa Ana River/San Bernardino Valley. Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River. Comment
  CLARK-A1045-169  Filago arizonica George K. Helmkamp 1979-4-27 Riverside Santa Ana Mountains Wildomar 7.5'Q Comment
  UCR228838  Filago arizonica A. C. Sanders, T. B. Salvato 2011-4-27 39337 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
  RSA689557  Filago californica Scott D. White, Michael Honer 2003-4-25 9125 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
  RSA487421  Filago gallica Steve Myers 1988-5-17 s.n. Riverside Santa Rosa Plateau area W of Murrieta, Via Majorca .25 mi. N of the intersection with Avenida Arboles. Comment
  RSA653050  Foeniculum vulgare A. C. Sanders, D. Bramlet, E. J. Lawlor, C. L. Sanders 2000-1-16 23309 Riverside campground and boat launching area on the east side of Lake Skinner 457 Comment
  CAS-BOT-BC384196  Forestiera pubescens subsp. parvifolia Nancy Ryan Zabriskie; Walter Zabriskie 1970-3-25 260 Riverside East of turnout 1/2 mi. up Sta. Rosa Mt. road from Hwy. 74; Santa Rosa Mts. 1371 Comment
  UC488841  Fragaria vesca C. V. Meyer Jun 1927 195 Riverside Saunder's Meadow; San Jacinto Mts. 1676 Comment
  CAS-BOT-BC454537  Fragaria vesca subsp. californica Marcus E. A M Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild, California Comment
  POM9990  Frasera parryi H. M. Hall 1901-07 s.n. Riverside In the vicinity of Strawberry Valley. 1585 Comment
  POM12743  Fraxinus coriacea P. A. Munz 1922-6-24 s.n. Riverside Pipe Creek, Kenworthy 1524 Comment
  UCR252193  Fraxinus pennsylvanica subsp. velutina Fred T. Sproul, Julia Groebner 2014-7-21 6006 Riverside Santa Ana River at Norco 176 Comment
  UCR252994  Fraxinus uhdei Fred T. Sproul, Julia Groebner 2014-7-21 6007 Riverside Santa Ana River at Norco 169 Comment
  POM12925  Fremontodendron californicum Philip A. Munz 1922-6-24 5805 Riverside Pipe Creek, San Jacinto Mountains 1585 Comment
  UCR23170  Fritillaria biflora C. Filmer 1981-4-12 81- 18 Riverside Gavilan Hills, c. 25 m north of the S entrance to Harford Springs Co. Park. 579 Comment
  UCR50413  Fritillaria biflora L. F. LaPre, Jack Easton 1988-1-27 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro, Santa Rosa Springs Ranch Comment
  RSA494647  Funastrum cynanchoides var. hartwegii B. L. Phillips 1988-6-2 s.n. Riverside E Riverside, near Creek on W side of Box Springs Mt. Comment
  RSA569000  Funastrum cynanchoides var. hartwegii M. B. Dunkle 1935-4-17 s.n. Riverside W. of Wiley Well. Colorado Desert. Comment
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Dec 14 2011
  RSA797604  Funastrum cynanchoides var. hartwegii R. F. Thorne, Walter Wisura 1977-9-17 50765 Riverside San Jacinto Mountain: Chino Canyon along road to tramway Comment
  UCR232069  Gaillardia pulchella John F. Green 2008-4-24 13- 03 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris along Hwy 74, between Lazy Lizard Dr. and Wasson Canyon Rd. 504 Comment
  RSA673471  Galium angustifolium Scott D. White, Tasha La Doux 2000-4-20 7716 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills. 610 Comment
  SEINET7072849  Galium angustifolium A. G. Vestal 1963-5-20 s.n. Riverside Long Valley Road at Tececula and at the junction with Route 395 (115). Coordinate datum: WGS84/NAD83. (33? deg. 30' 3" North Latitude, -117? deg. 9' 3" West Longitude, Coordinate datum: NAD27.). Comment
  UCR195705  Galium angustifolium A. C. Sanders, Tim Thomas 2008-8-1 35937 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1448 Comment
  JEPS56082  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4281 Riverside along hwy about 1 1/2 mi w Mountain Center (at junction with Baldy Mountain Camp Rd, steep s-facing hillside) Comment
  RSA607791  Galium angustifolium subsp. angustifolium R. S. Woglum 1941-6-14 3067 Riverside Peninsular Ranges: Santa Rosa Mountains [Riverside/San Diego counties]. Comment
  RSA741580  Galium angustifolium subsp. angustifolium Scott D. White, Justin M. Wood 2008-6-17 12175 Riverside Garner Valley- Kenworthy Station (USFS) 1378 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
  SDSU12910  Galium angustifolium subsp. angustifolium Jutta Buschbom 1991-6-1 49 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  SD229268  Galium angustifolium subsp. jacinticum Dick Schwenkmeyer 2011-8-25 655 Riverside Thomas Mountain, Tool Box Springs Campground 1857 Comment
  CLARK-A1528-3948  Galium aparine John C. Roos 1937-5-2 Riverside La Sierra Comment
  RSA0124385  Galium aparine Duncan S. Bell 2016-4-16 9329 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  RSA652667  Galium aparine Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. 610 Comment
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May 20 2012
  UCR213474  Galium aparine A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37842 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, ridge west of dirt extension of Lake St., 0.9 mi. north (358 deg. ) of intersection of I-15 and Lake St. 488 Comment
  JEPS74651  Galium nuttallii subsp. nuttallii Lauramay T. Dempster and G. L. Stebbins 1967-3-19 4332 Riverside just n of county line s Temecula Comment
  POM367820  Galium stellatum N. R. Zabriskie, W. M. Zabriskie 1972-3-28 486 Riverside North Canyon, Andreas Canyon watershed, east slope San Jacinto Mts. 610 Comment
  LA208440  Galium stellatum var. eremicum L. Haines; L. Erickson 1937-4-10 Riverside Palms to Pines Highway 2 mi above valley Comment
  SD152991  Gastridium phleoides Steve Boyd 1992-4-23 7063 Riverside San Mateo Canyon Wilderness Area. Along San Mateo Creek from Riverside county line, following San Mateo trail upstream to the confluence with Bluewater Canyon 244 Comment
  SEINET10969634  Gayophytum nuttallii David B. Dunn 1946-8-18 Dunn 2750 Riverside Wellman. Sieniga springs on trail. Peek. San jacinto mts. Comment
  CAS-BOT-BC303566  Geraea canescens K. Larson 1977-5-12 60062 B Riverside Wiley Wells Rd ca 20 miles W of Blythe Comment
  CAS-BOT-BC303579  Geraea canescens Ira L. Wiggins 1941-3-24 9570 Riverside 0.3 mile S of Myoma, 4.6 miles N of Indio Comment
  SBBG44596  Geraea canescens Leota Davidson 1966-4-3 229 Riverside below Washington Street overpass, Interstate 10, ca. 5.5 mi W of Indio Comment
  UC1118442  Geraea canescens H. S. Yates 1937-3-23 6421 Riverside 5 mi nw Edom; Thermal Quadrangle Comment
  UC130494  Geranium californicum Charlotte M. Wilder 1909-7-11 950 Riverside Round Valley San Jacinto Mts. 2743 Comment
  UC218103  Geranium californicum P. A. Munz 1922-7-6 5985 Riverside Tahquitz Valley San Jacinto Mts. 2194 Comment
  RSA343100  Geranium dissectum Robert F. Thorne, Walter Wisura, E. W. Lathrop, S. Meury 1985-5-18 60636 Riverside Santa Rosa Plateau: Cole Canyon, near entrance to Nature Conservancy Reserve. 530 Comment
  SEINET7063459  Gilia achilleifolia subsp. multicaulis A. G. Vestal 1947-3-30 s.n. Riverside About 5 miles south of Winchester Road. French Valley. UTM Zone 11, 491934mE, 3721693mN. (WGS84/NAD83). 457 Comment
  JEPS69452  Gilia angelensis W. L. Jepson 1901-5-17 1230 Riverside Riverside 266 Comment
  SD140031  Gilia angelensis Scott White 1993-4-22 1254 Riverside North Alberhill Ranch, in hills north of Walker Canyon. 487 Comment
  UCR230202  Gilia angelensis A. C. Sanders 2011-4-6 38989 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  UCR275509  Gilia angelensis D. E. Bramlet 2012-4-9 4996 Riverside San Gorgonio Pass, Banning, open fields south of Westward Ave. and east of Sunset Ave., west of 22nd St. 732 Comment
  JEPS86052  Gilia australis W. L. Jepson 1928-4-19 12434 Riverside 5 mi northerly Elsinore; northerly of Elsinore Comment
  RSA470272  Gilia capitata subsp. abrotanifolia Jean Carnine 1932-2-28 s.n. Riverside Santa Ana River Comment
  RSA618171  Gilia capitata subsp. abrotanifolia D. L. Banks 1997-5-5 2015 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek., East of where the road crosses to the southern bank of the south fork of Pechanga Creek. 427 Comment
  SJSU11612  Gilia capitata subsp. abrotanifolia N. D. Addy 1962-4-16 Riverside Railroad Canyon Rd c. 5 mi E of E shore, Lake Elsinore Comment
  UC1595756  Gilia latifolia W. Wisura, J. Dolan, M. Wall 1992-3-24 4625 Riverside on Box Canyon Rd. 7.7 mi ne Mecca; ne of Mecca Comment
  JEPS20155  Gilia maculata Charlotte M. Wilder 1907-4-6 704 Riverside just beyond the crossing of the Whitewater River (Colorado Desert); , beyond crossing Whitewater River Comment
  SFV21896  Gilia ochroleuca subsp. bizonata L. L. Zung 2011-5-30 17 Riverside San Jacinto Mountains Apple Canyon Center near Herkey Creek. 1340 Comment
  RSA0017088  Gilia ochroleuca subsp. exilis Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4016 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  RSA0126640  Gilia stellata Duncan S. Bell 2016-3-4 8797 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
  RSA504964  Gilia stellata D. Charlton 1988-2-25 1232 Riverside S side of Little San Bernardino Mountains, Fargo Canyon Road and Dillon Road, S side of Joshua Tree National Park, parallel to I-10, 5 miles E of jct Dillon Road and Fargo Canyon Road. 610 Comment
  RSA776839  Gilia stellata Amber Swanson, Duncan S. Bell 2011-3-18 224 Riverside About 3 airmiles SE of Desert Center, N of Chuckwalla Mtns. 392 Comment
  SBBG87691  Gilia stellata S. Boyd with S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2111 Riverside N end of Palen Mtns, 2 mi W of Palen Pass, mid-bajada 300 Comment
  HSC85269  Githopsis diffusa subsp. candida Steve Boyd 1986-4-22 1771 Riverside Temescal Canyon, E side of Indian Wash, S of I-15 Comment
  RSA712687  Glinus lotoides A. C. Sanders, Kerry Knudsen, T. B. Salvato 2004-5-18 27909 Riverside Peninsular Range: Alberhill Mountain, SE of old clay mining area. 448 Comment
  UCR159200  Glinus lotoides A. C. Sanders, Kelly Volansky 2005-8-31 31591 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
  RSA519248  Gnaphalium 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. All of sec. 33, W/2 sec. 34, NW/4 sec. 3 [T6S] and a small portion of eastern sec 35. 488 Comment
  UCR162876  Gnaphalium californicum T. B. Salvato, Kelly Volansky 2003-3-27 134 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  UCR202422  Gnaphalium californicum Yvonne Thompson, G. Nuhn 1998-9-3 s.n. Riverside San Gorgonio Pass, Banning, site of proposed development called 'Sunset Crossing' at NW corner of Sunset and Westward Aves., between Sunset and Highland Home Rd., N of Westward 756 Comment
  RSA617821  Gnaphalium palustre R. E. Riefner 1998-4-22 98 -292 Riverside Elsinore Trough between Willard and Murrieta Creek. Lake Elsinore. Comment
  SD197684  Gnaphalium palustre T. B. Salvato, A. C. Sanders 2005-5-17 920 Riverside San Jacinto Mountain foothills: San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and north of California Highway 74. 548 Comment
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Jul 11 2010
  UCR182348  Gnaphalium palustre Mitch Provance 2005-5-17 6550 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  RSA0004480  Godetia quadrivulnera var. hallii H. M. Hall 1905-06 6241 Riverside East base Box Springs Mt. 610 Comment
  CAS-BOT-BC56798  Grusonia parishii Alverson 1899-1-1 s.n. Riverside Field redacted by CAS, contact the data manager for more information Comment
  POM46836  Gutierrezia californica Mary F. Spencer 1920-4-2 1474 Riverside Palm Springs, Colorado Desert. 122 Comment
  RSA504547  Gutierrezia sarothrae Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca. 1 mi SE of town on Nuevo. 640 Comment
  RSA0066620  Harpagonella palmeri A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32568 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR217556  Harpagonella palmeri Jeff B. Galvin 2009-3-12 78 Riverside Peninsular Ranges, Gavilan Plateau, Lake Mattews, 1.5 km south of Cajalco Rd. and .35 km east of old groves 451 Comment
  UCR102884  Hedypnois cretica A. C. Sanders 1997-3-26 20124 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  UCR113895  Hedypnois cretica Mitch Provance 1998-4-14 440 Riverside Jurupa Mountains, Crestmore Heights, E. Rattlesnake Mt., 'Oak Knoll' about 0.5 km west of Rubidoux Blvd., across the street from the Crestmore Mines at the Riverside Cement Company. 396 Comment
  CLARK-A1045-867  Helianthemum scoparium George K. Helmkamp 1978-6-1 #2 Riverside Santa Ana Mountains off of De Luz Road near [southeast of] Mesa de Burro; ; Murrieta 7.5'Q 487 Comment
  RSA192195  Helianthus annuus subsp. lenticularis E. W. Lathrop 1959-9-11 4647 Riverside 14 miles W of Murrieta Comment
  RSA683854  Helianthus gracilentus Scott D. White, Michael Honer 2003-4-4 8960 Riverside Temescal Valley: Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  UCR150021  Heliotropium curassavicum Scott D. White, Angelia Carey 2004-5-7 10345 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  POM8438  Heliotropium curassavicum var. oculatum P. A. Munz, R. D. Harwood 1920-3-20 3377 Riverside Lake Elsinore 396 Comment
  UCD119439  Heliotropium curassavicum var. oculatum A. C. Sanders 2004-8-10 28762 Riverside Perris-Aguanga Region: 3 miles ENE of Perris, new nursery growing grounds W of Menifee Rd. (=Pozos Av.) and S of Nuevo Rd., between San Jacinto River and Nuevo. 433 Comment
  RSA692246  Hemizonia fasciculata Scott D. White, Michael Honer 2003-5-27 9403 Riverside Gavilan Hills / Temescal Canyon: Hills and canyons ca. 1 mile north of the I-15 Freeway and 1 mile east of Lake St. exit. Collected south and / or west of unnamed peak '2349.' 396 Comment
  UCR121807  Hemizonia fasciculata A. C. Sanders, Carolyn Washburn 2001-4-17 24061 Riverside San Jacinto Valley, southwest edge of Hemet, NW of intersection of Stowe Rd. and California Av., 2 miles NE of Winchester 457 Comment
  UCR139191  Hemizonia fasciculata Virginia Moran 2003-5-16 s.n. Riverside Johnson Ranch (managed by Center for Natural Lands Management), vicinity of Skunk Hollow and Santa Gertrudis Creek, 'knoll 1' on northern edge of first baseline transects established by CNLM 422 Comment
  UCR182309  Hemizonia fasciculata Mitch Provance 2003-4-5 6610 Riverside San Bernardino Valley, Jurupa Mountains, Glen Avon, slopes above the northern extreme of Campbell St 274 Comment
  UCR260553  Hemizonia fasciculata T. B. Salvato, Matt Malle 2014-5-29 8017 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
  CLARK-A1528-1920  Hemizonia kelloggii John C. Roos 1965-6-27 Riverside Reche Canyon Comment
  UCR85583  Hemizonia kelloggii Julie A. Greene 1993-5-12 1322 Riverside San Jacinto Valley, San Jacinto Wildlife Area, SE end of visitor center road, east of Davis Road 436 Comment
  RSA92593  Hemizonia kelloggii J. C. Roos 1952-5-26 5713 Riverside Hass' Ranch. Reche Canyon. 457 Comment
  UCR263470  Hemizonia mohavensis A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35585 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek watershed, c. 1.25 mi ENE of Mountain Center, nameless tributary to Coldwater Creek north of Johnson Meadow, above mapped spring 1524 Comment
  RSA644391B  Hemizonia paniculata Steve Boyd 1991-5-30 6319 Riverside Winchester Valley, SE end of Double Butte, just N of Winchester, 1/2 mile W of Highway 79 457 Comment
  UCR113558  Hemizonia paniculata Mitch Provance 2000-9-1 2232 B Riverside Jurupa Mtns., Pyrite Canyon, c. 0.5 miles SW of peak 1538 305 Comment
  UCR163993  Hemizonia paniculata John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, 2 miles NE of Squaw Mountain 640 Comment
  UCR171134  Hemizonia paniculata John F. Green 2005-5-17 s.n. Riverside Perris-Aguanga Basin, Markham Pit; Gravel pit on SE corner of Markham Street and Day Street, south of March Air Force Base 537 Comment
  UCR116653  Hemizonia pungens subsp. laevis A. C. Sanders, Carolyn Washburn 2001-5-10 24249 Riverside Perris-Aguanga Basin, San Jacinto River Valley, south side of intersection of Sanderson Ave. and Ramona Blvd., c. 4 mi. NW of San Jacinto 445 Comment
  UCR189809  Hemizonia pungens subsp. laevis Diane Menuz 2006-5-9 070 Riverside Peninsular Range; Perris Basin, San Jacinto Wildlife Area, across the street from the information booth, north of Lakeview and east of Davis Rd. 434 Comment
  UCR63020  Hemizonia pungens subsp. laevis Don Mitchell 1990-6-20 s.n. Riverside 1.5 mi west of Lakeview, on south side of Ramona Expressway, c. 200 yards west of the San Jacinto River Comment
  RSA562056  Hesperocallis undulata Steve Boyd, Carol Boyd 1992-4-19 6928 Riverside N end of the Granite Mountains along powerline road near junction of Highway 177 and Highway 62. Area of transition between Mojave and colorado Deserts. Comment
  UC29094  Heterocodon rariflorum H. M. Hall Jun 1901 2205 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1615 Comment
  SD122457  Heterotheca grandiflora Duffie Clemons, Jim Dice and Glenn Keator 1988-2-18 1940 Riverside North bank of Santa Margarita River,Santa Magarita Ecological Preserve near Temecula Comment
  UCR114810  Heterotheca grandiflora Mitch Provance 1998-2-6 22 Riverside Jurupa Mountains, Pyrite Canyon, c. 0.45 km south of the end of Savonia Dr. in Southridge, Fontana. Actual location of the collection just on the Riverside Co. side of the Riv. / S.B. county line. 351 Comment
  RSA0075882  Heterotheca grandiflora N. C. Cooper 1943-9-11 901 Riverside Banning 610 Comment
  UC74099  Heterotheca sessiliflora subsp. echioides M. F. Gilman 1904-1-1 33 Riverside Banning Comment
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Mar 13 2011
  UCR114115  Hibiscus denudatus B. G. Pitzer, J. Ross 1998-3-8 3610 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  UCR180226  Hibiscus denudatus Scott D. White, Pam Devries 2006-3-14 11252 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway/ McNaughton Parkway interchange, north of the I-10 Freeway 152 Comment
  UCR244888  Hibiscus denudatus A. C. Sanders, T. B. Salvato 2012-10-12 40405 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass, 7.6 km (c. 4.5 mi.) above the road to Chuckwalla Spring on Graham Pass Rd. 387 Comment
  VVC693  Hibiscus denudatus P. J. MacKay, T. Thomas 1997-2-8 102 Riverside Colorado Desert, Palm Springs; vacant lot on Bogart Trail (street). 169 Comment
  RSA660232  Hirschfeldia incana M. Duke, Christy Hightower, C. McElroy 1982-5-15 4 Riverside CA Hwy 74, just off highway E of Elsinore, 1 mi W of Hwy 15. Comment
  RSA405280  Hoffmannseggia glauca N. C. Cooper 1949-4-8 3322 Riverside Blythe. 259 Comment
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Nov 20 2011
  UC724324  Hoffmannseggia glauca Aven and Ruth Nelson 1939-3-30 3344 Riverside between Mecca and Blythe (Highway 70) Comment
  LA45787  Hoffmannseggia microphylla Miss Halflaud; March 1925 6483 Riverside Palm Springs 0 Comment
  SEINET5554645  Hoffmannseggia microphylla L. S. Rose 1946-1 46301 Riverside Cathedral Canyon Wash desert wash. 200 Comment
  UC2015587  Hoffmannseggia microphylla A. C. Sanders with G. Helmkamp & P. MacKay 1995-3-12 16091 Riverside Coachella Valley: alluvial slopes at the foot of Rabbit Peak, Santa Rosa Mtns., below Sheep Canyon. Comment
  UCR2463  Holcus lanatus F. M. Reed 1907-6-23 1434 Riverside Santa Ana River, City of Riverside, old field in the Santa Ana River bottom above the bridge on the West Riverside Road 244 Comment
  RSA449814  Holodiscus microphyllus M. B. Dunkle 1933-7-21 3690 Riverside Tahlquitz Peak 2683 Comment
  UCR92767  Hordeum brachyantherum F. M. Reed 1906-3-13 905 Riverside Riverside, Mesa east of Riverside. Above the Gage Canal 311 Comment
  RSA593698  Hordeum intercedens Steve Boyd, Dave Bramlet 1996-4-19 8628 Riverside San Jacinto Valley: San Jacinto Wildlife Refuge at southwestern edge of Mystic Lake in the San Jacinto River floodplain, N of ''Marsh A'', NE of the refuge headquarters. 433 Comment
  RSA595136  Hordeum intercedens Steve Boyd, Dave Bramlet 1996-4-19 8592 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  UCR269909  Hordeum intercedens D. E. Bramlet, Amy Hills, R. E. Riefner Jr., Russell Huddleston 2005-3-2 3652 Riverside Perris-Agunaga Basin Region; San Jacinto Valley, west of Hemet, east of San Diego Canal, west of Warren Rd., south of Hwy 74, north of W Stetson Ave. 457 Comment
  UCR84843  Hordeum murinum A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16136 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  UCR83242  Hordeum vulgare N. M. Fellows 1982-4-14 s.n. Riverside Riverside, on the edge of Pigeon Pass Road north of Hwy 60 518 Comment
  RSA642084  Horkelia clevelandii Orlando Mistretta, Mark A. Elvin 1995-6-19 1772 Riverside San Jacinto Mountains. 1463 Comment
  RSA360705  Hulsea heterochroma Christopher Davidson 1975-6-16 2809 Riverside 5.4 miles N of Alandale Station on road R1 from Idyllwild to Banning. 1652 Comment
  RSA126701  Hulsea vestita subsp. callicarpha David Kyhos 1958-5-16 58 -187 Riverside Palms to Pines Highway, 2.5 miles W of Aguanga turnoff, San Jacinto Mts. Comment
  SEINET480191  Hulsea vestita subsp. callicarpha D. Wilken 1969-6-30 Riverside Along road to Toro Peak, 5.9 miles south of California State Hwy 74, Santa Rosa Mountains Comment
  POM294268  Hymenoclea salsola Lyman Benson 1945-4-6 11660 Riverside Whitewater Canyon, 3 miles above Whitewater; San Bernardino Mts.; Drainage area: Colorado Desert. 427 Comment
  POM361068  Hymenoclea salsola Ora M. Clark 1929-3-27 1747 Riverside La Quinta Canyon, Colorado Desert. Comment
  POM41959  Hymenoclea salsola Marcus E. Jones 1924-2-7 s.n. Riverside Salton Sea near Oasis. Comment
  UCR109553  Hymenoclea salsola R. D. Goeden, Don W. Ricker 1974-3-1 s.n. Riverside Sonoran (Colorado) Desert, Desert Center 305 Comment
  UCR60242  Hymenoclea salsola R. F. Thorne 1973-3-30 42693 Riverside Sonoran (Colorado) Desert, Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs; [vicinity of Hwy 62 crossing of Mission Creek] 488 Comment
  CAS-BOT-BC400801  Hypericum anagalloides Carl B. Wolf 1932-8-5 3960 Riverside San Jacinto Mts. 1st. Real, wet meadow on trail from Tahquitz Valley to San Jacinto Peak 2743 Comment
  POM250332  Hypericum androsaemum I. W. Clokey 1935-8-21 6833 Riverside North fork, San Jacinto River. 1500 Comment
  SEINET269589  Hypochaeris glabra Scott White 1994-6-23 2092 Riverside San Gertudis Creek ca. 1 mi. E. of Skink Hollow. (Batchelor Mountian Quad.) 396 Comment
  UCR156478  Hypochaeris glabra Jason L. Hlebakos 2005-5-3 620 Riverside Santa Ana Mtns, Open slope east and downslope from Elsinore Peak 1049 Comment
  CAS-BOT-BC219745  Hyptis emoryi Mrs. W. J. Anderson 1925-3-27 s.n. Riverside Indio Comment
  CAS-BOT-BC219770  Hyptis emoryi L. R. Abrams 1926-3-26 11065 Riverside Palm Springs to Palm Canyon Comment
  JOTR35336  Hyptis emoryi Harding, Mitzi, Mark Wheeler 2012-2-28 102 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; southeastern most canyon in the range (Stop 2) 265 Comment
  LA28880  Hyptis emoryi P. J. Remple; 1942-3-1 sn Riverside between Indio and Palm Springs Comment
  RSA420155  Hyptis emoryi Ora M. Clark 1929-3-17 1727 Riverside Palm Springs. Comment
  UC1595687  Hyptis emoryi W. Wisura, J. Dolan, and C. Demme 1992-4-13 4684 Riverside n base Chuckwalla Mts. (Corn Spring); n base of Chuckwalla Mts., Corn Spring Comment
  UC883110  Hyptis emoryi I. W. Clokey 1935-4-17 6866 Riverside Shafer Wells; Colorado Desert; [Shaver's Wells] Comment
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Apr 24 2011
  UCD124921  Hyptis emoryi B. Pitzer 1998-1-24 3405 Riverside N foot of Chuckwalla Mts, Eagle Mtn Rd on S side of Hwy I-10, ca. 0.8 mi. S of Hwy at powerline rd, and wash directly south of road. 499 Comment
  UCR120713  Hyptis emoryi Helen Kennedy, T. B. Salvato 2002-2-2 5450 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
  UCSB5693  Hyptis emoryi Haller, John 1960-4-2 Riverside Lower slopes of Orocopia Mountains 1.5 mi S of the junc. of U.S. 60-70 and the S entrance road to Joshua Tree Natl. Mon. 579 Comment
  SEINET10498864  Hyptis emoryi David B. Dunn 1948-6-17 Dunn 3815 Riverside Ravine below quad 4 dry coudit. At camp in pushawalla canyon under palms Comment
  UCR80809  Iris hartwegii Scott D. White 1993-5-29 1467 Riverside San Bernardino Mtns., Big Oaks Canyon, Yucaipa Ridge 1835 Comment
  RSA0028827  Isocoma acradenia W. Schlegel, Andrew Troutte, Jordan Zylstra 2008-9-4 20 Riverside San Jacinto and Santa Rosa Mts.: Idyllwild: Along road. Comment
  OBI16008  Isocoma acradenia var. eremophila Louis C. Wheeler 1931-11-27 375 Riverside 5 me SE Mecca, Coorado Desert 61 Comment
  UCR250111  Isocoma menziesii A. C. Sanders 2014-4-9 41004 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 0.2 km NW of intersection with Indian Truck Trail 354 Comment
  UCR181607  Isocoma menziesii var. menziesii Mitch Provance 2004-5-1 7602 Riverside Granitic Knolls of Riverside, Riverside, W side of Versity Hill (Coyote Hill), south side of the UCR campus 396 Comment
  SD204904  Isoetes howellii R. F. Thorne, E. W. Lathrop, et al. 1982-6-5 55204 Riverside Santa Ana Mountains region: SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached from De Luz road. 579 Comment
  UC917897  Isomeris arborea Frank W. Gould 1944-4-5 2237 Riverside 18 mi e Temecula (near road junction) Comment
  SBBG52766  Iva axillaris N. C. Cooper 1944-7-15 1594 Riverside Palms to Pines Hwy (St Hwy 74) 548 Comment
  SEINET5603624 Image available Jacaranda acutifolia Unknown 1961-1 Unknown Riverside Near Citrus Experimental Station, UCR Campus Comment
  RSA0011198  Juglans californica A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37141 Riverside Box Springs Mtns. Foothills, Riverside, eastern side of UCR Campus in canyon below botanical garden 320 Comment
  UC483328  Juncus acutus subsp. leopoldii W. R. Dudley 1894-8-20 Riverside 6 mi e Indio (near Palm Grove) Comment
  UCR89388  Juncus acutus subsp. leopoldii A. C. Sanders, O. F. Clarke, P. J. MacKay, S. D. White, C. L. Sanders 1994-11-27 15875 Riverside San Jacinto Mtns/Colorado Desert, Palm Canyon, from Hermit's Bench upstream to just beyond the confluence with East Fork 300 Comment
  UCR96427  Juncus balticus Scott D. White 1996-8-1 4427 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  RSA368165  Juncus bufonius N. C. Cooper 1944-5-6 2636 Riverside Whitewater Canyon. 457 Comment
  UC1601697  Juncus bufonius H. M. Hall Jun 1901 2076 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1402 Comment
  UCR162937  Juncus bufonius Fred M. Roberts, D. E. Bramlet 2005-4-1 6150 Riverside Upper Salt Creek, W of Hemet, parcel between Devonshire and Florida, c. 0.2km N of Florida and 0.2km W San Diego Aquaduct; c. 2km NW Ryn Field 457 Comment
  VVC527  Juncus longistylis A. C. Sanders, J. Mac 1997-5-4 20693 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek. 854 Comment
  RSA520947  Juncus macrophyllus Steve Boyd, David E. Bramlet 1988-10-8 2872 Riverside Cahuilla Mountain, SW of Anza at head of Bautista Canyon. Comment
  UCR268296  Juncus macrophyllus Jim Andre 2012-6-15 30555 Riverside San Jacinto Mountains, west slopes of range along Poppet Flat Road, Poppet Creek canyon, 3.2 miles west of Hwy 243 1022 Comment
  UCR21886  Juncus mexicanus Steve Boyd 1980-7-16 s.n. Riverside Perris Basin, Motte Reserve, 2.5 miles NW of Perris, west edge of the reserve c. 1/4 mile north of the Motte's house 520 Comment
  POM14394  Juncus phaeocephalus var. paniculatus Phillip A. Munz 1922-7-6 5999 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  UCR23188  Juncus rugulosus P. Tomlinson 1981-5-24 40 Riverside Peninsular Range, Near Mesa de Colorado, c. 1 mi south of Tenaja Rd., 3 mi east of Squaw Mtn, and c. 0.25 mi north of central Mesa Colorado 652 Comment
  POM14114  Juncus saximontanus Phillip A. Munz 1922-6-30 5902 Riverside Santa Rosa, Santa Rosa Mountains. 1982 Comment
  SEINET10613918 Image available Juncus tiehmii Barbara J. Ertter, Jeffrey Strachen 1979-6-26 Ertter 2971 Riverside Moist sand of large wash behind Kenworthy Ranger Station, near Route 74 in Hemet Valley, San Jacinto Mountains, San Bernardino Nat'l Forest. 762 Comment
  RSA190344  Juncus xiphioides Phillip A. Munz, L. F. Street 1919-5-7 2777 Riverside Tahquitz Canyon 244 Comment
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Feb 13 2010
  RSA44865  Juncus xiphioides J. C. Roos 1948-5-15 3837 Riverside Lost Palms Canyon, Eagle Mountains., Colorado Desert. Comment
  UCSB213  Juniperus californica Philbrick, Ralph 1953-6-10 Riverside Joshua Tree National Monument Comment
  CAS-BOT-BC234576  Justicia californica Dr. E. Rixford 1917-4-17 s.n. Riverside Coachella Valley Comment
  RSA398813  Justicia californica H. de Forest 1924-4-13 s.n. Riverside Tahquitz Canyon. Comment
  UCR26300  Justicia californica John C. Roos, Lucille Roos 1949-4-11 4233 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Corn Spring Comment
  UCR50575  Justicia californica B. G. Pitzer 1988-3-10 640 Riverside Sonoran (Colorado) Desert, west side Chuckwalla Mountains, on gas line road c. 1.5 mi north of intersection with Red Cloud Mine Road (& wash); c. 2 mi. airline south of Hwy I-10 489 Comment
  UCR242295  Kallstroemia californica A. C. Sanders, T. B. Salvato 2012-10-12 40414 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd., 2.9 km (1.8 mi.) west of I-10 junction 120 Comment
  RSA702744  Keckiella antirrhinoides Scott D. White, Michael Honer 2004-4-6 10046 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
  SBBG54461  Keckiella antirrhinoides subsp. antirrhinoides L. R. Abrams 1941-4-12 13882 Riverside Palomar School, near Perris Comment
  RSA6731  Keckiella antirrhinoides subsp. microphylla B. D. Stark 1933-4-2 4534 Riverside Pinyon Flats, San Jacinto Mts. Upper Sonoran, (Palms) to Pine Road. 1220 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
  JOTR31063  Keckiella antirrhinoides var. microphylla La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2045 Riverside Joshua Tree National Park. Little San Bernardino Mountains, above Lower Covington Flats; STOP 2: steep rocky canyon heading up to west side of Quail Mountain region Comment
  UC1563110  Keckiella cordifolia Steve Boyd, Tim Ross, Laurel Arnseth 1989-6-10 3686 Riverside Arroyo Seco; Vail Lake Area 487 Comment
  RSA0019431  Keckiella ternata subsp. ternata Verne Grant, Alva Grant 1951-7-19 16090 Riverside Idyllwild road, ca. 1 mile above Highway 74. 1220 Comment
  VVC2010  Koeberlinia spinosa var. tenuispina Corey Mitchell 2010-4-19 s.n. Riverside Colorado Desert, 6.5 miles north of Desert Center 201 Comment
  UCD85662  Koeleria macrantha A. A. Beetle 1944-4-27 3002 Riverside West of Murietta. Comment
  CAS-BOT-BC61425  Krameria bicolor John Thomas Howell; Martha Hilend 1928-4-15 171 Riverside Coachella Valley near Thousand Palms Comment
  UCSB16825  Krameria bicolor Hargreaves, Bruce 1963-5-5 Riverside 5.7 miles southeast of Pinyon Flats Campground on California Highway 74 762 Comment
  CAS-BOT-BC43701  Krameria erecta H. M. Hall 1901-6-1 2114 Riverside Eastern base, along the borders of the Colorado Desert Comment
  JEPS99420  Krameria erecta D. H. Wilken, G. A. Wilken 1997-11-1 15375 Riverside Tributary of San Bernardino Wash, 0.3 km sw of Gold Crown Rd, sw slope of Pinto Mtns. Mojave Desert 605 Comment
  POM301792  Krameria grayi J. Cole 1942-5-19 867 Riverside Fried Liver Wash, Pinto Basin, Joshua Tree National Monument. 610 Comment
  RSA161283  Krameria grayi Peter H. Raven 1958-5-18 12993 Riverside 4.9 miles NE of Pinyon Flats, San Jacinto Mtns. Comment
  RSA248056  Krameria grayi Robert F. Thorne, C. W. Tilforth 1973-5-30 43578 Riverside Colorado Desert: Mouth of Morongo Valley at N end of Coachella Valley 549 Comment
  RSA408609  Krameria grayi Gale Sphon 1955-5-22 s.n. Riverside 5 miles south of Pinon Flats, Palms to Pines Hiwy. [74]. Comment
  RSA409403  Krameria grayi M. B. Dunkle 1933-5-6 3414 Riverside Colorado Desert. Dry Morongo Creek Comment
  UC1280881  Krameria grayi Frank F. Gander 1938-5-21 5762 Riverside Shaver's Summit Comment
  UC1563078  Krameria grayi Steve Boyd and Orlando Mistretta 1986-3-13 1477 Riverside ne Desert Center (first large canyon at nw tip of western segment of range); w side Palen Mts Comment
  UCR228387  Krameria grayi Thomas R. Stoughton, J. McConnaughy, D. Monks 2010-5-25 218 Riverside Mojave Desert; East Mojave Desert, Cadiz Valley. Iron Mtns. Just E of junction of hwy 62 and hwy 177, NW of hwy 62 420 Comment
  RSA0094466  Lactuca serriola Duncan S. Bell 2015-8-12 8595 Riverside Orocopia Mountains; southwestern section of the range, collecting at a spring in the southern section of the Dos Palmas area. Temperature at around 120 degrees. -41 Comment
  RSA614414  Lamarckia aurea D. L. Banks 1997-3-16 1547 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound. 567 Comment
  POM12138  Lamarckia aurea Mary F. Spencer 1921-5-28 s.n. Riverside Near San Jacinto 549 Comment
  RSA562615  Lamarckia aurea Steve Boyd 1993-3-14 7724 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
  UCR1580  Lamium amplexicaule R. L. Needham 1962-3-21 10001 Riverside Riverside, front lawn at 3560 Holding Street. 259 Comment
  JOTR16797  Langloisia setosissima subsp. punctata Dengler, A. 1966-3-31 38 Riverside Joshua Tree National Park. OLD DALE 609 Comment
  RSA761098  Larrea tridentata Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-3-30 105 Riverside Coachella Valley Preserve, near mouth of Thousand Palms Canyon. Jct of Ramon Rd and Thousand Palms Canyon Rd. 91 Comment
  UC1280939  Larrea tridentata H. E. McMinn 1937-3-5 5000 Riverside about 7 mi w Blythe Comment
  UCR89566  Larrea tridentata George K. Helmkamp 1994-3-8 41 16 Riverside Western Colorado Desert, SW-facing slope at the junction of [Date] Palm Dr. and Varner Rd., below Edom Hill, 'Indio Hills 152 Comment
  JEPS29304  Lasthenia coronaria Rimo Bacigalupi, and L. Heckard 1962-3-25 8399 Riverside about 10 air miles nw Elsinore (near Arcilla siding of A.T. & S.F. Railway, just below and e of state Highway 71); Temescal Wash 289 Comment
  POM361603  Lasthenia coronaria P. J. Remple 1942-3-2 s.n. Riverside San Gorgonio Pass S of Cabazon Comment
  RSA12916  Lasthenia coronaria C. B. Wolf 1935-4-7 6306 Riverside 2 mi. SW of Perris. 427 Comment
  RSA583752  Lasthenia coronaria Steve Boyd 1995-4-24 8479 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on northern flank of Agua Tibia Mountain at the north base of Wildhorse Peak, along the Wildhorse Trail southeast of its junction with the Dripping Springs Trail. 609 Comment
  RSA776212  Lasthenia coronaria Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 864 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 610 Comment
  POM157928  Lasthenia glabrata subsp. coulteri P. A. Munz 1927-5-21 10842 Riverside Head of San Carlos Pass, Anza. 1372 Comment
  RSA550492  Lasthenia glabrata subsp. coulteri D. E. Bramlet 1992-4-9 2218 Riverside 2.3 km west of Lakeview and 150m east of San Jacinto River. The site is approx. 120m north of the MWD easement road. 433 Comment
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Dec 26 2010
  RSA586869  Lasthenia gracilis D. L. Banks, S. D. Boyd 1995-5-3 0288 Riverside NW Palomar Mountains; Agua Tibia Mountains;Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  RSA650961  Lasthenia gracilis R. L. Bowlin 1949-4-3 s.n. Riverside 3 miles south of Lake Elsinore. 15 Comment
  UC1536905  Lasthenia gracilis G. H. True 1935-3-19 132 Riverside 6 mi se Perris 487 Comment
  UC218251  Lasthenia gracilis P. A. Munz and I. M. Johnston 1922-3-20 5452 Riverside Hemet Valley San Jacinto Mts., Hemet Valley 1371 Comment
  UC74035  Lasthenia gracilis M. F. Gilman 1904-1-1 18 Riverside Banning Comment
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Mar 13 2011
  UCR167421  Lasthenia gracilis John F. Green 2005-3-16 s.n. Riverside Perris-Aguanga Basin, Cajalco Canyon, SE of Corona, SW of Lake Mathews, east of Calif. highway 71; Collections made while monitoring pipeline repair 366 Comment
  UCR178150  Lasthenia gracilis T. B. Salvato, Tracy Tennant 1998-4-23 MOR- 916 Riverside San Bernardino Mtns., Morongo Indian Reservation, Burro Flats 1189 Comment
  UCR59760  Lathyrus vestitus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3062 Riverside Peninsular Range, Vail Lake area, south of Hwy 79, 0.25 mi east of Pauba Road 457 Comment
  RSA34550  Lathyrus vestitus subsp. laetiflorus N. C. Cooper 1944-6-16 1432 Riverside San Jacinto Mtns. Pine Cove. 1524 Comment
  RSA657628  Layia glandulosa Colleen Callan 1992-5-2 32 Riverside Yucca Valley. 10 freeway east to Highway 62 east. North on Hwy 247. West on Pipes Canyon Road for Five miles. 1250 Comment
  UC62897  Layia glandulosa H. M. Hall 1897-4-5 Riverside Winchester Comment
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Mar 20 2011
  UC63258  Layia glandulosa H. M. Hall 1904-5-16 4948 Riverside vicinity Riverside (Fairmount Park); Fairmount Park 243 Comment
  UCR165607  Layia glandulosa T. B. Salvato, John F. Green 2004-5-27 705 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
  CLARK-A1528-1980  Layia platyglossa John C. Roos 1941-5-10 130 Riverside San Jacinto Mountains Comment
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Jan 3 2018
  SD239606  Layia platyglossa A. C. Sanders, T. B. Salvato 2011-3-28 38807 Riverside Peninsular Range: Perris-Aguanga Basin Region: Menifee Valley, between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-125 Fwy (Romoland 7.5'Q) 434 Comment
  UC62888  Layia platyglossa H. M. Hall 2909 Riverside vicinity Sage 762 Comment
  UCR21944  Layia platyglossa Steve Boyd 1980-5-3 195 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  UCSB19172  Layia platyglossa Chepin, Matt 1965-5-16 Riverside Hemet Meadow, State Highway 74, 4.7 miles from junction with State Highway 71 1341 Comment
  UCSB46694  Layia platyglossa Reed, Susan 1977-03 Riverside On the left side of Cajalco Rd., 1.5 miles west of Lake Matthews 365 Comment
  SD262244  Lepidium densiflorum Mitch Provance, John Hazlett 2017-4-27 417 39 Riverside Elsinore Trough: Lake Elsinore, S end of Birch St., 0.1 mi W of Chaney St. and Education Way. 385 Comment
  CLARK-A1528-2319  Lepidium dictyotum John C. Roos 1950-3-18 4712 Riverside 457 Comment
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Jan 30 2016
  POM93707  Lepidium dictyotum Marcus E. Jones 1882-4-24 s.n. Riverside Temecula Comment
  UCR121787  Lepidium dictyotum var. acutidens A. C. Sanders, Carolyn Washburn 2001-4-17 24044 Riverside San Jacinto Valley, west edge of Hemet, SW corner of Florida Ave. (Hwy 74) and Warren Rd. 457 Comment
  UCR202057  Lepidium dictyotum var. dictyotum Karin Cleary-Rose 1998-3-6 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, Palmieri property, 25 acre parcel in western Hemet, south of Hwy 74, west of Warren Rd, directly east of the San Diego Aqueduct and c. 500 ft. east of Salt Creek, north of Stetson Ave. 527 Comment
  CAS-BOT-BC89443  Lepidium fremontii K. Larson 1976-6-9 2021 Riverside Ca. 25 miles east of Indio. Comment
  RSA485839  Lepidium fremontii T. S. Elias 1988-2-26 10677 Riverside Joshua Tree National Monument, Cottonwood Spring region, along trail from Mastodon Peak to Lost Palms Oasis. Comment
  CAS-BOT-BC89583  Lepidium lasiocarpum D. A. Johansen; J. A. Ewan 1932-4-10 7056 Riverside Along diversion canal at mouth of Tahquitz Canyon. 213 Comment
  POM8520  Lepidium lasiocarpum Mary F. Spencer 1920-4-20 1495 Riverside Palm Springs. 122 Comment
  RSA429930  Lepidium lasiocarpum N. C. Cooper 1945-3-24 1619 Riverside Cabazon. 457 Comment
  RSA0049915  Lepidium lasiocarpum subsp. lasiocarpum Jim Andre 2014-1-27 26674 Riverside At mine site (and borrow pit), in canyon 1.3 mi. west of Hwy 95 (at Wilson Rd), 12.2 mi. south of Vidal Jct (at Hwy 62). 224 Comment
  JOTR31226  Lepidium lasiocarpum var. lasiocarpum La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 2010 Riverside Joshua Tree National Park. Eagle Mountains; (Stop 4) basalt rocky slopes above Pinto Wash, sparsely vegetated 377 Comment
  UCR111607  Lepidium latifolium Mitch Provance 1999-5-4 1686 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  POM184173  Lepidium nitidum P. A. Munz 1932-3-24 12014 Riverside Corona 366 Comment
  SEINET3523568 Image available Lepidium nitidum A. R. Gillogly 1966-3-19 Riverside 19 miles east of Indio on Highway 60. Comment
  GMDRC6568  Lepidium virginicum var. menziesii J. M. Andre 2012-6-15 30524 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 1309 Comment
  CLARK-A1045-91  Lepidium virginicum var. pubescens George K. Helmkamp 1978-4-27 Riverside San Jacinto Mountains originally ""at Deer Spring""; Lake Fulmor 7.5'Q Comment
  RSA525337  Lepidium virginicum var. robinsonii Steve Boyd, Dave Bramlet 1990-4-29 4467 Riverside Lake Skinner County Park, S flank of Bachelor Mountain Comment
  UCR24008  Leptochloa filiformis John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, Blythe 76 Comment
  UCR119807  Leptochloa uninervia A. C. Sanders, Mitch Provance 1999-9-26 23094 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  RSA73056  Leptosiphon lemmonii F. W. Peirson 1922-4-28 2931 Riverside Temescal Canyon. 335 Comment
  SD137679  Leptosiphon lemmonii Darin L. Banks, Steve Boyd 1995-5-30 475 Riverside Northwest Palomar Mountains; Agua Tibia Wilderness Area, north flank of Agua Tibia Mountain along the Drippiong Springs Trail; south opf the Dripping Springs Campground just inside the wilderness boundary. 505 Comment
  OBI70236  Leptosiphon liniflorus Steve Boyd 1986-5-7 1850 Riverside Temescal Cyn: terrace escarpment between Horsethief wash and Indian Truck Trl, S of I-15 Comment
  POM48739  Leptosiphon liniflorus P. A. Munz 1924-7-29 8820 Riverside 5 miles SE of Poppet Flat, San Jacinto Mtns. 1372 Comment
  JEPS20572  Lessingia glandulifera var. glandulifera Carl V. Meyer 1928-7-30 570 Riverside Saunder's Meadow San Jacinto Mountains, Saunder's Meadow 1706 Comment
  RSA198977  Lilaea scilloides Robert F. Thorne, E. W. Lathrop, Philip A. Munz 1968-5-8 37569 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California 671 Comment
  RSA377139  Lilium humboldtii subsp. ocellatum Gale Sphon 1955-06 s.n. Riverside Horsethief Canyon, Elsinore Mountains. Comment
  CAS-BOT-BC130879  Lilium parryi Mrs. E. C. Van Dyke 1928-7-20 s.n. Riverside Idyllwild Comment
  UCR26378  Lilium parryi A. C. Sanders 1981-7-11 2201 Riverside San Jacinto Mtns., Hall Canyon above the James Reserve, at Indian Creek 1738 Comment
  SD236325  Limnanthes alba subsp. parishii A. C. Sanders, Tim Thomas 2008-6-20 35537 Riverside Peninsular Range; San Jacinto Mtns.: May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  UCR40359  Limnanthes gracilis subsp. parishii Tom Griggs, E. W. Lathrop 1985-3-3 2 Riverside Santa Rosa Plateau, Mesa de Colorado, on The Nature Conservancy Preserve, 4 mi. west of Murrieta Comment
  CLARK-A1528-3439  Linanthus aureus John C. Roos 1942-5-3 1148 Riverside Joshua Tree Comment
  RSA773167  Linanthus dianthiflorus Duncan S. Bell, Valentin Arvizu 2010-5-24 1106 Riverside San Bernardino National Forest: Garner Valley, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1386 Comment
  SDSU13337  Linanthus dianthiflorus Tom Duffy, Taria Sagar 2000-4-29 5 Riverside Two hundred meters NE of Santa Margarita Ecological Reserve. 320 Comment
  UCR249825  Linanthus dianthiflorus T. B. Salvato, John Lovio 2013-3-19 7362 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  UCR277166  Linanthus dianthiflorus Robert J. Steers, Chris E. True 2008-3-25 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Snow Creek Canyon, north of Snow Creek Village NE of where the Pacific Crest Trail crosses Snow Creek Rd. 364 Comment
  RSA73087  Linanthus dianthiflorus subsp. dianthiflorus F. W. Peirson 1922-5-20 4471 Riverside Hemet Valley, San Jacinto Mountains. 1371 Comment
  UC718524  Linanthus floribundus subsp. floribundus Carl B. Wolf 1936-6-17 Riverside 0.5 mi e Orange County line (along Ortega Highway, San Juan Canyon); Santa Ana Mts., San Juan Canyon 365 Comment
  JOTR35265  Linanthus jonesii La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3251 Riverside Joshua Tree National Park. West Cottonwood Mountains; southeast edge of Pinkham Wash, east of Pinkham Canyon Road; rocky flats between small drainages in mouth of Pinkham Wash (Stop 1) Comment
  RSA517925  Linanthus jonesii Steve Boyd, B. Roy, T. S. Elias, Sara Meury, S. Zona 1986-3-5 1353 Riverside Hwy 195, N base of the Orocopia Mts., halfway between I-10 & Box Canyon. Comment
  RSA554019  Linanthus jonesii A. C. Sanders, E. J. Lawlor 1992-4-4 12127 Riverside McCoy Mountains, within 1/2 mile of McCoy Spring. 244 Comment
  RSA775385  Linanthus jonesii Duncan S. Bell 2011-4-10 2245 Riverside Northwest side of the Arica Mountains; northwestern section of project area; collecting in a large wash approximately 3.5 air miles south of Highway 62. 299 Comment
  RSA776290  Linanthus jonesii Duncan S. Bell, Amanda Turek 2010-4-10 834 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine and Calzona Mine; approximately 3.8 air miles west of the Colorado River; approximately 2 air miles northeast of Riverside Mountain Peak. 198 Comment
  RSA778832  Linanthus jonesii J. Andre 2011-2-9 15904 Riverside Mecca Hills; along Box Canyon Road at upper end of gorge, approx. 6 miles SSE of Jct. with I-10, approx. 12 miles west of Chiraco Summit 284 Comment
  UCR266911  Linanthus liniflorus D. E. Bramlet 1998-6-4 2634 Riverside North Domenigoni Hills, 3.8 mi. ESE (97 deg. ) of Winchester 608 Comment
  UCR20554  Linum lewisii W. W. Mayhew 1977-6-27 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  PASA686  Linum micranthum Frank W. Peirson 1922-5-19 Riverside Two and one-half miles northeast of Murietta on the Menifee Valley Raod Comment
  RSA468231  Lithophragma affine subsp. mixtum E. Crow 1929-3-17 193 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  SD233359  Lithophragma bolanderi Duncan S. Bell, Valentin Arvizu 2010-5-24 1099 Riverside Peninsular Ranges: San Jacinto Mountains region: San Bernardino National Forest: Garner Valley, approx. 2.8 air miles SE of junction of forest service road 6S04 and forest service road 6S13. Along an old road in an open forest with chaparral. 1381 Comment
  UCR21947  Loeflingia squarrosa Steve Boyd 1980-4-13 120 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  CAS-BOT-BC401085  Loeseliastrum matthewsii Sarah J. De Groot; April Garbat 2013-3-27 6890 Riverside Along Highway 177 at the northwest foot of the Granite Mountains, south end of the Cadiz Valley 396 Comment
  SBBG87389  Loeseliastrum schottii A. C. Sanders with B. Pitzer, D. Charlton 1986-3-1 6012 Riverside Chuckwalla Valley, 1 mi W of Hayfield Lake, 2 mi SW of pumping station on a small cutoff rd from Hayfield Rd to the dirt rd to Colorado River Aqueduct 426 Comment
  SD247334  Logfia filaginoides T. B. Salvato, Matt Malle 2014-3-29 8023 A Riverside Perris-Aguanga Basin: Menifee, northeast corner of Bundy Canyon Road and Cottonwood Hills (=Sunset Avenue), about 1 mile west of Murrieta Road and 4.3 miles southeast of Canyon Lake. 534 Comment
  UCR59762  Logfia filaginoides Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3071 Riverside Peninsular Range, Vail Lake area, south of Hwy 79, 0.25 mi east of Pauba Road 457 Comment
  JEPS15839  Lomatium lucidum W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1484 Riverside Aguanga Comment
  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
  RSA643451  Lonicera subspicata A. C. Sanders 1995-11-26 17910 Riverside Tule Creek Valley, NE of Tule Peak, between Aguanga & Anza, S of Hwy 371. Small cyn crossing Spanish Spur Trail ca. 0.1 mi. N of Deer Spr. Trail, 0.2 mi N of Kearsarge Rd. NE/4 sec. 22. 1189 Comment
  CHSC8089  Lonicera subspicata var. denudata Edward L. Smith 1958-3-6 350 Riverside Plant located in Coldwater Canyon, Glen Ivy, Calif. On Temescal Canyon Rd. 762 Comment
  SFV20158  Lonicera subspicata var. denudata J. N. Hogue, S. G. Hogue, J. M. Wrublik 2005-9-5 263 .5 Riverside Santa Rosa Mountains Santa Rosa Mountain Truck Trail (=USFS Road 7S02). 0.7 miles from Highway 74. 1500 Comment
  RSA18956  Lotus argophyllus var. argophyllus Roxana S. Ferris, Ruth P. Rossbach 1938-5-19 9656 Riverside Lower edge of Pinon (Pinyon?) Belt desert side of divide Comment
  RSA771653  Lotus argophyllus var. argophyllus Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4915 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  RSA615140  Lotus argophyllus var. argophyllus A. C. Sanders, O. F. Clarke, H. Forster 1997-3-2 19765 Riverside Box Springs Mountains E side of the range in Pigeon Pass area, above W end of Quail Call Drive, in canyon just west of section line. 610 Comment
  RSA678443  Lotus hamatus Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10499 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  UCR158844  Lotus hamatus Scott D. White 1994-6-23 2086 Riverside Temecula/Murrieta Region, Santa Gertrudis Creek, c. 1 mi. east of Skunk Hollow 396 Comment
  UCR97647  Lotus hamatus A. C. Sanders, G. Helmkamp 1997-3-15 19972 Riverside Lake Skinner area: lower Rawson Canyon, along the dirt road toward Bachelor Mountain 457 Comment
  RSA297753  Lotus heermannii Barbara Ertter, J. Strachan 1979-6-26 2988 Riverside Banning - Idyllwild Road (Highway 243) at Black Mountain turnoff (Forest Road 4S01). Comment
  RSA726581  Lotus humistratus Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1426 Riverside Along Palen Road near Hwy 177. 170 Comment
  UCR154602  Lotus humistratus A. C. Sanders, T. B. Salvato 2005-4-28 29763 Riverside Peninsular Ranges, Gavilan Hills; north of Santa Rosa Rd., 1 mi. SW of Ida Leona Mine 625 Comment
  UCR151041  Lotus nevadensis var. davidsonii Scott D. White 1998-7-31 6943 Riverside San Jacinto Mts., Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park 1951 Comment
  UC15662  Lotus nevadensis var. nevadensis H. M. Hall 1901-7 2491 Riverside shores of Lake Surprise San Jacinto Mountains, Lake Surprise 2499 Comment
  RSA406219  Lotus oblongifolius Joseph A. Ewan 1929-6-16 3594 Riverside Lily Creek, San Jacinto Mts.; Strawberry Valley. 1616 Comment
  UCR18392  Lotus purshianus A. C. Sanders 1978-9-4 00340 Riverside Peninsular Ranges/San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  UCR82615  Lotus purshianus A. C. Sanders, O. F. Clarke, M. Alexander 1994-1-1 14225 A Riverside San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  UC15501  Lotus purshianus var. purshianus H. M. Hall 1901-6 2387 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1584 Comment
  JEPS29294  Lotus rigidus Rimo Bacigalupi, and L. Heckard, P. C. Hutchison 1962-3-23 8365 Riverside 1.5 mi above and s Seven Level Hill (and above Deep Canyon, at base of Black Hill, along State Highway 74, 10.3 mi above and s of beginning of Highway 74 at Palm Desert); Palm Desert, Black Hill 883 Comment
  JOTR32152  Lotus rigidus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2307 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  POM1917  Lotus rigidus I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. Comment
  RSA543976  Lotus salsuginosus Steve Boyd 1991-5-10 6208 Riverside Santa Ana Mountains, base of range, just N of mouth of Hagador Cyn at bottom of Skyline Drive. 427 Comment
  SEINET2062419  Lotus salsuginosus B. Pitzer, L. LaPre 1987-3-2 434 Riverside Bundy Canyon, ca. 2.0 mi. SE of Lake Elsinore and 0.5 mi. N of Bundy Canyon Rd. off Raciti Rd. (Romoland 7.5' Quad 701 Comment
  RSA406905  Lotus scoparius var. brevialatus Christopher Davidson 1973-4-1 1787 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  UCR180585  Lotus scoparius var. brevialatus Scott D. White, Angelia Carey 2004-4-5 10005 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  JEPS37402  Lotus strigosus W. L. Jepson 1901-5-24 1426 a Riverside Van de Venter's Ranch 1493 Comment
  JOTR29610  Lotus strigosus Andre, Jim 2006-4-26 6748 Riverside Joshua Tree National Park. about 0.5 mi. NNE of Rattlesnake Spring on ridge just south of radio tower and NE corner of park boundary 1320 Comment
  RSA776837  Lotus strigosus Amber Swanson, Duncan S. Bell 2011-3-18 221 Riverside About 3 airmiles SE of Desert Center, N of Chuckwalla Mtns. 392 Comment
  RSA781906  Lotus strigosus Duncan S. Bell 2010-5-1 884 Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  UC864905  Lotus strigosus Lewis S. Rose 1937-4-9 37088 Riverside Banning 706 Comment
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Mar 13 2011
  UCR155039  Lotus strigosus A. C. Sanders, Kelly Volansky 2005-3-17 29221 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
  UCR245895  Lotus strigosus R. F. Thorne 1995-3-29 63012 Riverside Transverse Range; San Bernardino Mtns., Whitewater Canyon 600 Comment
  POM28287  Lotus strigosus var. strigosus Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  UCR164061  Lotus strigosus var. tomentellus A. C. Sanders, P. J. MacKay, Tim Thomas 2005-2-26 29140 Riverside Sonoran (Colorado) Desert, SE of Hwy 177 toward dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  UCR241520  Lotus strigosus var. tomentellus A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40648 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  RSA676124  Lotus tomentellus Scott D. White 2001-4-3 8269 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA660551  Lotus wrangelianus Lydia Paneri 1982-4-17 10 Riverside Cajalco Road, 0.7 miles east of I-15; south of Corona. Comment
  RSA674547  Lotus wrangelianus Scott D. White 2000-5-1 7754 Riverside Corona: Western foothills of Santa Ana Mountains near Bedford Canyon. 351 Comment
  UCR177641  Lupinus agardhianus S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1159 Comment
  UC15786  Lupinus albifrons Geo. F. Reinhardt June, 1897 Riverside San Jacinto Valley; Southern California Comment
  UC454633  Lupinus albifrons I. J. Condit 1910-6-22 Riverside San Jacinto Mt. 2438 Comment
  GMDRC3713  Lupinus arizonicus J. Andre, T. La Doux 2009-2-25 11160 Riverside Granite Mountains: Upper Granite Cove at pass to Sunset Cove, UC Granite Mountains Desert Research Center. USGS 7.5 minute Quad: Bighorn Basin 34 deg. 47.001' N 115 deg. 39.719' W. Elev. 4329 ft. 414 Comment
  POM66225  Lupinus arizonicus Marcus E. Jones 1924-2-26 s.n. Riverside Shaver's Well. Comment
  RSA0118062  Lupinus arizonicus Sarah J. J. De Groot, Thomas Stoughton 2016-2-18 7619 Riverside Mecca Hills: side canyon (east fork) of Painted Canyon. 182 Comment
  UCR114148  Lupinus arizonicus B. G. Pitzer, J. Ross 1998-3-8 3614 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  UCR165300  Lupinus arizonicus John F. Green 2005-2-4 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 miles east of Desert Beach 24 Comment
  UCR279541  Lupinus arizonicus A. C. Sanders, Jim Malusa 2017-3-29 43182 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 2.8 km south of the confluence of Red Canyon and Salt Creek 460 Comment
  UCR279571  Lupinus arizonicus A. C. Sanders, Jim Malusa 2017-3-29 43180 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
  UCR90333  Lupinus arizonicus Ed LaRue 1993-4-29 s.n. Riverside Sonoran (Colorado) Desert, Blythe landfill, along Blythe-Midland Road, 3 mi. south of the Big Maria Mtns, 6 mi. west of Colorado River 137 Comment
  RSA0013030  Lupinus bicolor LeRoy Gross, Caitlin Elam 2013-5-14 6049 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
  RSA741163  Lupinus bicolor Scott D. White, Justin M. Wood 2008-5-15 11999 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  SBBG71240  Lupinus bicolor M. N. Ackley -Mar-1928 527 Riverside near Cabazon, San Gorgonio Pass 542 Comment
  UCR116793  Lupinus bicolor A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24153 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  UCR120808  Lupinus bicolor Ian G. Gillespie 2000-4-19 7 Riverside Temescal Valley, 0.9 mi SE of Indian Truck Trail and 30 m south of DePalma Road 427 Comment
  UCR4176  Lupinus bicolor R. H. Sauer 1965-4-3 s.n. Riverside Peninsular Range, Riverside, south side of Big Springs Road, c. 500 feet from the east end of the street; west foot of Box Springs Mtns. 396 Comment
  HSC85275  Lupinus concinnus Steve Boyd 1986-4-22 1782 Riverside Gavilan Hills: Summit of Estelle Mtn. Comment
  RSA793013  Lupinus concinnus Justin M. Wood 2011-4-4 3391 Riverside San Bernardino Mountains Foothills: San Gorgonio River wash, off of Bluff Street, just east of Banning Bench. 881 Comment
  UCR164571  Lupinus concinnus S. J. Myers 2001-4-18 s.n. Riverside San Jacinto Mtns., Bautista Canyon near Tripp Flats Rd. 1183 Comment
  UCR209001  Lupinus concinnus E. W. Lathrop 1959-4-17 4476 Riverside Peninsuar Range, Santa Ana Mtns., Tenaja [Santa Rosa] Plateau. 14 miles west of Murrieta, west slope of Redonda Mesa 854 Comment
  RSA607356  Lupinus concinnus subsp. concinnus R. S. Woglum 1941-5-17 3043 Riverside Peninsular Ranges/Sonoran Desert transition: Alder Canyon off Coyote Canyon. Comment
  POM229448  Lupinus concinnus subsp. optatus Philip A. Munz 1937-5-30 15080 Riverside Northwest slope of Santa Rosa Mountain. 2134 Comment
  RSA483605  Lupinus concinnus subsp. optatus D. Charlton 1988-5-21 1948 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74 1677 Comment
  RSA719047  Lupinus concinnus subsp. orcuttii Michael Honer 2005-3-11 2053 Riverside Rice Valley; 4.5 mi. SSE of Rice; 1.5 mi. E of ATSF railway. 220 Comment
  POM11288  Lupinus excubitus var. austromontanus Philip A. Munz 1922-6-26 5831 Riverside Below Santa Rosa. 1829 Comment
  POM305372  Lupinus excubitus var. austromontanus Henry J. Ramsey, Henry J. Ramsey 1938-3-26 646 Riverside Elsinore Temecula Comment
  SEINET10543984  Lupinus formosus David B. Dunn, Douglas G. LeDoux; Patricia L. Kenney 1973-6-15 Dunn 20760 Riverside Coll along the sandy roadside. Sparse yellow pines. 4 Mi nw of jct of hwy 74 and 71 on 74. 1402 Comment
  RSA614164  Lupinus hirsutissimus D. L. Banks 1997-2-23 1313 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  UCR230769  Lupinus hirsutissimus A. C. Sanders 2010-4-7 37822 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
  POM320521  Lupinus latifolius subsp. parishii Worthman 1960-5-16 165 Riverside 8.7 miles west of Murietta. 168 Comment
Read comments
Jun 16 2013
  UC15837  Lupinus latifolius var. parishii H. M. Hall July, 1901 2554 Riverside Fuller's Mills Mountains , Fuller`s Mills Mountains (San Jacinto Mountains) 2286 Comment
  RSA413769  Lupinus longifolius N. C. Cooper 1947-4-5 2046 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  UCR137096  Lupinus microcarpus var. densiflorus June Latting 1958-4-13 s.n. Riverside San Gorgonio Pass, White Water 415 Comment
  CSUSB1450  Lupinus sparsiflorus Dick Bernier 1966-4-11 Riverside 1.8 miles past Canyon Crest Golf Club in a ditch of the road 274 Comment
  RSA653542  Lupinus sparsiflorus Scott D. White 1999-5-24 7383 (3 repl. total) Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 Comment
  UC68637  Lupinus sparsiflorus H. M. Hall May 1905 5999 Riverside Cottonwood Pass; Colorado Desert 609 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
  RSA414814  Lupinus sparsiflorus subsp. sparsiflorus H. de Forest 1933-4-17 17604 Riverside Chino Canyon, Colorado Desert. Comment
  POM2382  Lupinus sparsiflorus var. inopinatus H. M. Hall 1902-04 7294 Riverside [No location information provided.] Comment
  RSA496472  Lupinus truncatus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3088 Riverside Vail Lake area, S of Hwy 79, Kolb Creek drainage, W of Woodchuck Rd. 488 Comment
  POM14117  Luzula comosa Phillip A. Munz 1922-7-6 6000 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  RSA457773  Lycium andersonii Steve D. Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2215 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  SEINET10847720 Image available Lycium andersonii var. deserticola Samuel B. Parish 1896-4-4 Parish 4132 Riverside Palm Springs, (Agua Caliente), desert base of San Jacinto Mt. 152 Comment
  CAS-BOT-BC231477  Lycium brevipes var. brevipes Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  RSA80303  Lycium torreyi F. W. Peirson 1916-4-1 1087 Riverside Palm Springs region, head of Coachella Valley. Comment
  RSA612131  Lythrum californicum Louis C. Wheeler 1932-7-9 936 Riverside Santa Ana River at Chino Creek. 152 Comment
  UCR124137  Lythrum californicum Steve Boyd, T. S. Ross 1989-8-28 3791 Riverside Peninsular Range, Vail Lake area, Temecula Creek at confluence w/ the lake & adjacent sedimentary hills to the east. 488 Comment
  UCR154406  Malacothamnus fasciculatus A. C. Sanders, Mike Misenhelter 2005-6-15 30945 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
  RSA0120237  Malacothamnus fasciculatus subsp. fasciculatus Duncan S. Bell 2016-4-14 9280 Riverside Santa Rosa Mountains; near the head of Deep Creek, along the Sawmill Tail; in the vicinity of the old water tank along the road. 1301 Comment
  POM10289  Malacothrix clevelandii Charlotte M. Wilder 1905-5-14 582 Riverside Summit Jurupa Hills and extending north-west slope about 200 ft. 671 Comment
  RSA507478  Malacothrix clevelandii Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mountains, along Hwy 243, 1-2 mi. below Mt. Edna turnoff. Comment
  RSA747962  Malacothrix clevelandii Justin M. Wood 2009-5-11 706 Riverside McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  POM362323  Malacothrix glabrata Ora M. Clark 1929-3-16 1718 Riverside NW Whitewater Comment
  CAS-BOT-BC347702  Malacothrix glabrata Mrs. G. Earle Kelly 1926-4-1 s.n. Riverside Mojave Desert Comment
  RSA619793  Malvella leprosa A. C. Sanders, K. C. Rose 1998-9-29 22246 Riverside West edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills. Comment
  SFV6503  Mammillaria dioica T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 41 Riverside 4 miles south of Highway 111 on Highway 74. 305 Comment
  RSA543300  Marah macrocarpa Steve Boyd 1991-3-17 5511 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
  RSA253700  Marina parryi Noel Holmgren, Patricia K. Holmgren, Ruth E. Kern 1973-3-21 6426 Riverside Big Maria Mountains, 12 air miles north of downtown Blythe 290 Comment
  SD129346  Marina parryi A. C. Sanders 1989-9-19 9505 Riverside 1.75 km south of Tabaseca Tank, along the wash above Tabaseca Target. 680 Comment
  UC1329934  Marina parryi James E. Cole 1941-4-13 563 Riverside 0.5 mi n Meek's Cabin; Joshua Tree national Monument, Pinto Pass Comment
  UCSB59680  Marina parryi Boyd, Steve; Meury, S.; Noyes, R. 1988-3-10 Riverside N end Palen Mtns., 2 mi. west of Palen Pass 300 Comment
  CAS-BOT-BC348067  Matricaria discoidea John 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
  SD152792  Meconella denticulata Steve Boyd 1992-4-15 6859 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Bluewater Canyon along Bluewater Trail downstream to the confluence with San Mateo Creek. 334 Comment
  RSA759270  Meconella denticulata Robt. Allen 2008-4-13 s.n. Riverside San Juan Canyon watershed. Along Bear Canyon Trail, .08 air mile SSE of the trailhead near Ortega Hwy. 627 Comment
  CDA4189  Medicago lupulina Steve Boyd 1989-7-9 3775 Riverside City of Riverside, 4863 Rubidoux Ave. 0 Comment
  CSUSB1095  Medicago sativa Arthur P. Donaldson 1966-3-16 Riverside Collected in front of the Arlington Flower Shop at 9693 Magnolia Ave., Arlington, Ca. 259 Comment
  UCR271366  Melia azedarach A. C. Sanders, Amy Litt & UCR Pl. Taxonomy Class 2016-5-7 42467 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 canyon south of the lab near old original house site 475 Comment
  RSA487546  Melica imperfecta Bill Wagner 1988-3-2 s.n. Riverside Glenoaks Road about 2.5 mi S if Lake Skinner and ca. 8 mi NE of Temecula. 564 Comment
  UC38844  Melica imperfecta H. M. Hall May 1899 1134 a Riverside s side San Jacinto Mountains 1371 Comment
  UCR133432  Melica imperfecta Jeffrey Ross, T. Tennant, G. White 1998-5-21 MOR- 202 Riverside San Bernardino Mtns., Morongo Indian Reservation, Hathaway Canyon, c. 0.55 miles of the junction of the lower and upper canyons 1040 Comment
  UCSB18721  Melica imperfecta Keith, Sheldon 1963-5-4 Riverside 2.5 miles south of Banning to Idyllwild road 853 Comment
  SEINET11678863  Melica imperfecta Unknown 1936-1 12769 Riverside 5 mi E of Banning Comment
  SD70932  Melilotus albus Helen V. Witham 1969-7-2 179 Riverside DeLuz Creek Crossing, 4 miles north of DeLuz 249 Comment
  CSUSB1112  Melilotus indicus Eric Trubschenck 1972-5-8 6 Riverside Undeveloped lot on northeast corner of Park and 7th Streets. 271 Comment
  RSA674528  Mentha spicata Scott D. White 2000-11-15 8151 Riverside Idyllwild area, Strawberry Fuelbreak between Inspiration Pt. and Strawberry Ck. 1402 Comment
  CHSC7076  Mentzelia I. Wilson 1969-4-6 Riverside Dry stream bed on e side of access road to Desert Center on s side of Highway 10. Comment
  UCR163513  Mentzelia B. G. Pitzer, J. Ross 1998-3-8 3600 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  UCR241513  Mentzelia A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40643 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  UCR265600  Mentzelia Jordan Zylstra 2014-3-18 14002 Riverside San Jacinto Mountains, Apple Canyon, west of Apple Canyon Road 1453 Comment
  RSA781389  Mentzelia affinis Duncan S. Bell 2010-5-1 908 Riverside Arica Mountains: northwest of mountain range, approximately 7.2 air miles west of the ghost town of Rice, and approximately 6 air miles northwest of Priests Well. 312 Comment
  RSA69703  Mentzelia affinis F. W. Peirson 1928-3-11 7713 Riverside 8 miles SE of Palm Springs, Riverside County. Comment
  JOTR29603  Mentzelia involucrata Andre, Jim 2006-4-26 6760 Riverside Joshua Tree National Park. Long Canyon, approximately 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  SEINET192011  Mentzelia involucrata C. L. Hitchcock 1940-3-29 5855 Riverside Cottonwood Canyon, ca 100 yards east of Spring. Comment
  POM126804  Mentzelia involucrata var. megalantha E. E. Schellenger s.n. Riverside Colorado Desert. Santa Marie Mts. [Little or Big Maria Mountains] Comment
  RSA736553  Mentzelia laevicaulis Scott D. White, Angelia Carey 2004-7-2 10580 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  POM306697  Mentzelia longiloba var. longiloba Henry J. Ramsey, Henry J. Ramsey 1938-4-26 1685 Riverside West of blythe. Comment
  PASA330  Microseris douglasii Frank W. Peirson 1922-4-30 Riverside 1 mile west of Lakeview 426 Comment
  UCR112851  Microseris douglasii subsp. douglasii A. C. Sanders 1997-5-1 20628 Riverside Lake Skinner area, along horse trail in southern part of Lake Skinner Park, west of Tucalota Hills and east of Warren Rd. 488 Comment
  UCR77769  Microseris douglasii subsp. douglasii Steve Boyd, D. E. Bramlet 1991-5-13 6233 Riverside Peninsular Range, Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. Vernal pool association in pasture north of Santa Fe Railroad tracks, west of San Diego Aqueduct 457 Comment
  RSA501079  Microseris douglasii subsp. platycarpha Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-2 3197 Riverside Vail Lake Area, W end of bench on S flank of Oak Mountain. 548 Comment
  SEINET13276737 Image available Microseris douglasii subsp. platycarpha Mitch Provance, Matt Amalong 2015-1 315 -27 Riverside Paloma Valley: Murrieta, old Clydesdale horse ranch 0.4-0.6 miles S of Keller Rd., along unmarked dirt portion of Menifee Rd. (Murrieta 7.5' Q.) 450 Comment
  UCR104969  Microseris douglasii subsp. platycarpha D. E. Bramlet 1993-5-5 2339 Riverside In a tributary to Olsen Canyon, 366m east of the El Sobrante landfill and 610 m north of Dawson Canyon. The site is some 91 m north of the existing NE-SW access road to the Black Rocks region 415 Comment
  UCR241392  Microseris heterocarpa T. B. Salvato, Mike Landers 2013-3-21 7377 Riverside Perris-Aguanga Basin, Murrieta, between Hwy 215 and State Route 79 (Winchester Rd), 0.23 mi east of the intersection of Keller Rd and Menifee Rd 470 Comment
  RSA442666  Mimulus aurantiacus var. pubescens N. C. Cooper 1944-5-6 1205 Riverside Banning. 701 Comment
  UCR214017  Mimulus aurantiacus var. puniceus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37791 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, west of dirt extension of Lake St., 1.0 mi. NW (341 deg. ) of intersection of I-15 and Lake St. 526 Comment
  SEINET7881834 Image available Mimulus bigelovii Helen K. Sharsmith 1952-1 4061 Riverside Lost Palms Cyn Eagle Mts ca 2 mi from Shaver Summit 671 Comment
  RSA408056  Mimulus bigelovii var. bigelovii Christopher Davidson 1979-4-4 7725 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  UC68709  Mimulus bigelovii var. bigelovii H. M. Hall Apr. 1905 5862 Riverside Canyon Springs Colorado Desert Comment
  UC1374909  Mimulus brevipes Noel H. Holmgren, Liew Fah Seong 1969-6-17 3583 Riverside County Road R1, at Black Mountain turnoff San Jacinto Mountains Comment
  UCR133674  Mimulus brevipes John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR168493  Mimulus brevipes N. C. Cooper 1944-6-16 2005 Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1524 Comment
  JEPS11071  Mimulus floribundus W. L. Jepson 1901-5-22 1388 Riverside near Vandeventer Flat (upper part of Palm Canyon); Santa Rosa Mts. Comment
  RSA544416  Mimulus floribundus Steve Boyd, Tim S. Ross 1991-6-14 6384 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  LA209492  Mimulus fremontii John O'Leary; 1975-6-13 399 Riverside Yellow Pine Forest, near side of Hy. leading from Banning to Idyllwild, 0.5 mi N of lake Fullmer 1584 Comment
  UCR17275  Mimulus fremontii Eric Fisher 1979-4-20 s.n. Riverside 9 mi west of Aguanga on Hwy 79; southern oak woodland [near Dripping Spring] 549 Comment
  JEPS86972  Mimulus fremontii var. fremontii David M. Thompson 1988-3-3 819 Riverside 1.3 mi from Hwy 62 (along road to Canyon House Resort, very near San Bernardino Co. line); Dry Morongo Creek 755 Comment
  JEPS5559  Mimulus guttatus Carl V. Meyer 1928-7-31 598 Riverside Tahquitz Valley San Jacinto Mountains 2286 Comment
  UC63725  Mimulus guttatus H. M. Hall May 1899 Riverside Van de Venter's San Jacinto Mountains 1371 Comment
  UCR133414  Mimulus guttatus Jeffrey Ross, T. B. Salvato 1998-6-9 MOR- 317 A Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Lion Canyon, c. 3.5 miles NNW of Cabazon 854 Comment
  UCR240618  Mimulus guttatus Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 39 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Hathaway Canyon 884 Comment
  RSA0054840  Mimulus guttatus Keith E. Hoffmaster 1933-4-14 527 Riverside Tahquitz Canyon. Comment
  UCR24930  Mimulus moschatus A. C. Sanders 1980-8-23 1752 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  RSA526494  Mimulus pilosus Steve Boyd, Tim S. Ross 1990-5-11 4689 -B Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  UCR151097  Mimulus pilosus Scott D. White, Julie Greene 1998-8-1 6974 Riverside Peninsular Ranges/San Jacinto Mtns region, Idyllwild Area, within residential community above/parallel to E bank of Strawberry Creek, between crossing at Circle Drive and Humber Park 1951 Comment
  SEINET8349861  Minuartia douglasii Steve Boyd 1992-4-15 6855 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area; Bluewater Cyn along Bluewater Tr. downstream to the confluence with San Mateo Creek. 427 Comment
  VVC319  Mirabilis bigelovii W. W. Mayhew 1960-3-17 s.n. Riverside Colorado Desert, 4.5 miles NW Desert Hot Springs. 482 Comment
  SEINET10478602  Mirabilis bigelovii David Charlton 1988-2-18 Charlton 1155 Riverside Alluvial fan, s side of little san bernardino mtns. Fargo canyon road to Cottonwood wash, s of joshua tree national park, parallel to i-10. Creosote Bush scrub. 5 Miles e of jct. Dillon rd. And fargo cyn rd. Stable and disturbed Upper bajada with encelia, larrea; uncommon white flowered perennial, 2' tall 762 Comment
  UCR103177  Mirabilis californica Scott D. White, Julie Greene 1997-3-12 4772 Riverside Pedley area, S foot of Jurupa Hills: Just north of State Route (Fwy) 60 at Pedley exit. 305 Comment
  UCR138825  Mirabilis californica D. L. Banks 1997-2-23 1306 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation, north of Pechanga Rd. and south of Anza Rd., just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire 460 Comment
  RSA770933  Mirabilis laevis Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4960 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 823 Comment
  CAS-BOT-BC434681  Mirabilis laevis var. crassifolia G. D. Hanna; M. M. Hanna 1958-2-16 s.n. Riverside Cabazon Comment
  RSA0125279  Mirabilis laevis var. retrorsa Duncan S. Bell 2016-3-3 8784 Riverside Whitewater Canyon; near mouth of canyon, approximately 1 air mile south of Bonnie Bell, east side of the road, north of large gravel pit. 460 Comment
  RSA339662  Mirabilis laevis var. retrorsa Robert F. Thorne, C. W. Tilforth 1980-5-28 54167 Riverside San Bernardino Mountains, dry, Colorado Desert slopes, S-facing and W-facing, N-S rocky ridge at E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 miles E of Whitewater Post Office. Comment
  RSA464823  Mirabilis laevis var. retrorsa N. C. Cooper 1949-4-24 3643 Riverside Devil s Cactus Garden, Colorado Desert. 244 Comment
  UC1136583  Mirabilis laevis var. retrorsa H. S. Yates 1937-3-24 6450 Riverside 457 Comment
  CAS-BOT-BC384084  Mirabilis laevis var. villosa Winfield 1975-4-27 2366 Riverside Snow Creek Rd abt 3 miles from Hiway 111 Comment
  SBBG37507  Mirabilis laevis var. villosa R. N. Muller 1967-4-8 Riverside ca. 2 mi W of St Hwy 62 on Mission Crk Rd, 4.7 mi N of jct between US Hwy 60 and St Hwy 62 579 Comment
  UCR237944  Mirabilis multiflora var. pubescens Mark A. Elvin 2004-6-2 3503 Riverside Peninsular Range; San Jacinto Mtns., Garner Valley, east of Hwy 74 between Fobes Ranch Rd. and Morris Ranch Rd. at base of foothills 1402 Comment
  HSC82911  Mohavea confertiflora Christopher Davidson 1979-4-4 7734 Riverside Orocopia Mtns., E of Box Canyon on Box Canyon Rd., 15.1 mi. E of Mecca, dirt road to the SE 579 Comment
  POM44293  Mohavea confertiflora H. M. Hall 1905-4-16 5778 Riverside Canyon near Indio Mt. in the Colorado Desert, Lower Sonoran Zone, 150 Comment
  POM98710  Mohavea confertiflora Philip A. Munz 1926-1-31 9961 Riverside Dos Palmos [Palmas] Spring. Comment
  RSA408765  Mohavea confertiflora M. B. Dunkle 1933-3-4 3049 Riverside Painted Canyon 30 Comment
Read comments
May 20 2014
  RSA516911  Mohavea confertiflora Steve D. Boyd, Orlando Mistretta 1986-3-13 1453 Riverside West side Palen Mts.: NE of Desert Center. 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
  UCR161453  Monardella breweri subsp. lanceolata Mike Misenhelter 2005-8-24 s.n. Riverside Peninsular Range; San Jacinto Mtns., W side of Pine Cove, south of Logan Creek near Truck Trail 1829 Comment
  VVC1939  Monardella breweri subsp. lanceolata Tim Thomas, C. Sanders 2008-6-24 4526 Riverside San Jacinto Mtns, May Valley, in south drainage of Tahquitz Peak, ca. 2.8 air miles north of Lake Hemet. 1518 Comment
  LA62724  Monardella linoides subsp. linoides Carl Epling; 1938-8-14 sn Riverside Santa Rosa Mountains, near lower margin of yellow Pine on highway Comment
  CAS-BOT-BC215498  Monardella nana Elizabeth McClintock 1941-7-22 130 Riverside On slope south of Strawberry Creek and west of Domengonio Flats, San Jacinto Mts. Comment
  LA96098  Monardella nana Elizabeth McClintock; Harlan Lewis 1941-6-29 78 Riverside Santa Rosa Mountain, road up Santa Rosa Mts. 2.3 mi beyond canyon where stream crosses road Comment
  UC1499862  Monardella nana Elizabeth McClintock 1940-5-19 10 Riverside 2 miles off Pines to Palms Highway on road to Santa Rosa Mt. Comment
  UC1499884  Monardella nana Elizabeth McClintock 1941-5-31 44 Riverside 5 miles from turn off to Anza Tablet. After crossing a narrow valley, passing a ranch house, crossing a sluggish stream and going through a second gate Comment
  UC2035999  Monardella nana C. Epling, L. Haines 1937-5-7 Riverside Pinyon Flats Palms to Pines Highway Comment
  IRVC2059  Monardella nana subsp. arida R. H. Whittaker, W. A. Niering 1963-6-9 SJ 353 Riverside Santa Rosa Mountain Road Peninsular Ranges, Santa Rosa Mountains 1875 Comment
  RSA651652  Monardella nana subsp. arida Elizabeth McClintock, H. Lewis 1941-6-29 75 Riverside Santa Rosa Mt. 4.5 miles above Pines to Palms Hwy, in canyon where stream crosses road. Comment
  SEINET10582424  Monardella nana subsp. arida A. Graff 1993-6-24 Graff 62 Riverside San Bernadino National Forest, Santa Rosa Mtn. 1.4 miles down Santa Rosa Mtn. Rd. (USNFS Rd. 7S02) from Santa Rosa Camp, on right roadside, west-facing slope (heading back towards Hwy. 74). T7S,R5E,S29. Locally abundant in sun and shade of Pinus jeffreyi, Quercus chrysolepis, with Eriophyllum confertiflorum, Lonicera subspicta, Phlox austromontana, Galium andrewsii, Eriogonum fasciculatum var. foliosum, Amorpha californica, Bromus sitchensis, Castilleja sp. Comment
  UCR221469  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-22 130 Riverside Peninsular Range; San Jacinto Mtns., on slope south of Strawberry Creek, and west of Domengonio [Domenigoni] Flats [vicinity of West Ridge, near Camp Emerson & USC Idyllwild campus] 1646 Comment
  SEINET10582074  Monardella nana subsp. tenuiflora A. Graff 1993-6-23 Graff 41 Riverside San Bernadino National Forest, San Jacinto Mtns. From Hwy. 243, take Black Mtn. Rd. (USNFS Rd. 4S01) to junction with USNFS Rd. 4S02 and go 0.1 mile down 4S02. Monardella nana is on the right roadside. T4S,R2E,S23. Dry, gravelly, shaded, gentle slope. Locally sparse, with Pinus ponderosa, Arctostaphylos pringlei, Lotus scoparius, Bromus orcuttianus, Elymus elymoides, Elymus glaucus. Need USNFS permission to collect. Comment
  POM14620  Monolepis nuttalliana P. A. Munz, D. D. Keck 1922-4-8 4742 Riverside 1/2 miles east of Indio. -15 Comment
  RSA65882  Monolepis nuttalliana F. W. Peirson 1918-03 1834 Riverside Field near Indio. Comment
  UC465463  Monolepis nuttalliana Fred M. Reed 1906-5-19 961 Riverside Rubidoux <Ave. or Riv. ?> near Grand; Rubidoux <Ave. or Riv. ?> Comment
Read comments
Mar 10 2011
  POM13931  Monoptilon bellioides P. A. Munz 1922-3-12 4712 Riverside Andreas Canyon, Palm Springs. [Santa Rosa Mtns., W margin Colorado Des -SW] Comment
  RSA81012  Monoptilon bellioides G. R. Campbell 1952-4-5 18367 Riverside Colorado Desert, road leading from Highway 60 to 29 Palms [Hwy 62], at junction to Desert Hot Springs 762 Comment
  UCR158279  Muhlenbergia A. C. Sanders, G. K. Helmkamp 1996-3-17 17974 Riverside Coachella Valley, North Palm Springs (Garnet), I-10 at Indian Ave., N of Garnet Ave 250 Comment
  POM7119  Muhlenbergia microsperma P. A. Munz, L. T. Street 1919-5-7 2724 Riverside Mouth of Tahquitz Canyon. Comment
  UCD86821  Muhlenbergia microsperma A. A. Beetle 1944-4-27 1994 Riverside West of Murietta. Comment
  UCR83407  Muhlenbergia microsperma A. C. Sanders 1994-5-15 14490 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the E bank of the Santa Ana River 400 Comment
  POM122723  Muhlenbergia rigens Marcus E. Jones 1924-8-20 s.n. Riverside Idyllwild. Comment
  UCD87089  Muhlenbergia rigens William M Klein 1960-8-22 1584 Riverside North of Idyllwild along the trail to Suicide Rock and Mt. San Jacinto, San Jacinto Mts. Comment
  UCR41342  Muhlenbergia rigens N. M. Fellows 1984-11-12 29 Riverside San Jacinto Mtns., Oasis de Los Osos Preserve, off Snow Creek Canyon at the north foot of the Mtns, 1 mile west of Snow Creek Village 488 Comment
  CLARK-A1528-14  Muilla maritima C. M. Flanagan 1973-5-20 OO 506 Riverside Morongo Indian Reservation 1188 Comment
  RSA775343  Muilla maritima Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 5017 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm)., between N34.00456, W116.67238 and N33.99629 and W116.66010 750 Comment
  UCR116064  Muilla maritima O. F. Clarke, Jeanine Derby 1974-4-19 s.n. Riverside Lakeview Mountains, c. 2 mi. SSW of Mt. Rudolph, north of Juniper Flat, east of Juniper Flat Rd. and south of Stagecoach Rd., EIR for Tentative Tract 5702 610 Comment
  UCR35305  Muilla maritima L. B. Ziegler 1969-5-27 366 Riverside San Jacinto Mtns., Cahuilla Indian Reservation 1113 Comment
  VVC542  Muilla maritima A. C. Sanders, J. Mac 1997-5-4 20699 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek below the confluence with Brown Creek. 854 Comment
  UCR101582  Nama demissa Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  UCR169920  Nama demissa Scott D. White, Jennifer H. Jones 2005-4-21 10945 Riverside Sonoran Desert, Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  JOTR32160  Nama demissa var. demissa La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2313 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Gneiss outcrop on edge of large sandy wash in wide canyon that feeds southwest into Wilson Canyon (Stop 6) Comment
  UC880828  Nama demissa var. demissa Ira L. Wiggins 1937-3-9 8762 Riverside gravelly wash 5 mi w Shaver's Well; w of Shaver's Well Comment
  UCR233163A  Nama demissa var. demissa Jim Andre, Glenn L. Clifton 2011-2-22 17448 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  POM13913  Nama demissa var. deserti P. A. Munz, D. D. Keck 1922-4-10 4932 Riverside Eagle Mtns. 3 miles northeast of Hay fields. 213 Comment
  UCR181629  Navarretia atractyloides Mitch Provance 2003-6-7 7608 Riverside San Bernardino Valley, Jurupa Mountains (extreme northwest end), near Philadelphia Street 262 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
  RSA487534  Nemacladus orientalis B. Pitzer 1988-3-10 647 Riverside Chuckwalla Mountains. W side of mountains, on gas line road ca. 1.5 mi north of intersection with Red Cloud Mine Road (and wash); ca. 2 miles (airline) S of Highway I-10. (Red Cloud Road. 10 km cell; PH-2N, 3E) 488 Comment
  JEPS5403  Nemacladus pinnatifidus W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1271 A Riverside San Jacinto River Comment
  RSA439283  Nemacladus pinnatifidus J. D. Olmsted 1962-5-10 3644 Riverside Crest between Sandia Creek and DeLuz Creek drainages. 259 Comment
  SBBG101738  Nemacladus ramosissimus S. Boyd, D. Bramlet 1991-5-13 6251 Riverside Domenigoni Hills, N side of Domenigoni-Diamond Valleys ESE of Winchester, ridge top S of S-end of Warren Rd 548 Comment
  UCR112315  Nemacladus ramosissimus A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23443 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
  RSA0123179  Nemacladus rubescens Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9068 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
  UCR25988B  Nemacladus sigmoideus John C. Roos 1947-3-15 3354 B Riverside Sonoran (Colorado) Desert, Santa Rosa Mountains, mouth of Deep Canyon at foot of mtns. 366 Comment
  RSA439275  Nemacladus tenuis var. aliformis Christopher Davidson 1979-4-4 7703 Riverside Orocopia Mts, lower end of Box Canyon on Box Canyon road, 4.4 miles E of Mecca 213 Comment
  RSA519024  Nemacladus tenuis var. aliformis George K. Helmkamp 1986-4-7 757 Riverside Canyon Just E of and parallel to Hwy 62, above Indian Ave. BLM Land. 579 Comment
  RSA421334  Nemophila menziesii Ora M. Clark 1929-2-23 1535 Riverside San Jacinto Mt, Mountain slopes Comment
  UCSB46708  Nemophila menziesii Reimer, Neil 1977-4-15 Riverside 1 mile S. Cajalco Rd. on Santa Rosa Rd. Comment
  CSUSB122  Nemophila menziesii var. menziesii Kenneth Hibberd 1966-2-20 Riverside Arlington Ave., 1 mile east of Victoria Street, 100 yards south of road. City of Riverside. 304 Comment
  RSA772121  Nemophila menziesii var. menziesii Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4836 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 915 Comment
  UC64047  Nemophila spatulata H. M. Hall 1901-7 2406 Riverside in meadows or along creeks of Tamarack Valley, San Jacinto Mountains San Jacinto Mountains, Tamarack Valley 2804 Comment
  RSA426660  Nicotiana attenuata Albert J. Perkins 1916-9-17 s.n. Riverside Idyllwld. Comment
  SDSU11219  Nicotiana attenuata H. Wedberg 1962-7-28 992 Riverside Meadow in Hemet Valley; about 1 mile from Herkey Creek Public Camp on the road to Santa Rosa Summit, San Jacinto Mountains. 1372 Comment
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Jan 24 2013
  UCD126671  Nicotiana glauca R. N. Raynor 1933-3-31 s.n. Riverside Moreno Valley. Comment
  GMDRC9811  Nicotiana obtusifolia J. M. Andre 2017-3-1 38037 Riverside Chuckwalla Mountains: along powerline road 1.2 mi. SW of Interstate 10 at Eagle Mtn Rd exit 387 Comment
  RSA426710  Nicotiana obtusifolia Robert Gustafson 1981-4-7 2153 Riverside Salt Creek Wash, southern end of the Orocopia Mts. 91 Comment
  UCR102704  Nicotiana obtusifolia B. G. Pitzer 1998-1-24 3387 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
  RSA0060151  Nicotiana quadrivalvis Justin M. Wood, Brandy Wood 2009-7-4 1044 Riverside Riverside Flood Control Basin, SW corner of Patton Rd and Wineville Rd, immediately S of San Bernardino County Line. 250 Comment
  UCR4538  Nicotiana quadrivalvis John Dean, M. L. Dean 1965-5-26 s.n. Riverside Peninsular Range, At ranch headquarters on road [R3] half way between Temecula Road [Hwy 79] and Sage 305 Comment
  RSA161218  Nolina parryi Peter H. Raven 1959-5-18 14246 Riverside 0.9 mile south of Mountain Center on road to Aguanga, San Jacinto Mountains. Comment
  SEINET3872753  Notholaena californica subsp. leucophylla Lewis S. Rose 1966-12-13 66102 Riverside Palm Springs, Tahquitz Wash.; 0 183 Comment
  JEPS43999  Oenothera californica Marjorie Clary 1929-10-18 2 a Riverside w slope Santa Rosa Mt. (trail to summit) 1981 Comment
  RSA596774  Oenothera californica subsp. californica D. L. Banks, K. D. Hedge 1996-5-16 1042 Riverside NW Palomar Mountains; Agua Tibia Mountains; N foothills of Dorland Mtn., S of Temecula Creek; 0.4 miles E of Pauba Road on the N side of Los Caballos Road, along the broad, sandy, southern alluvial bench of Temecula Creek. 370 Comment
  RSA0043370  Oenothera deltoides Marc A. Baker, Amy Robinson, Chris Hackbarth, Michelle Cloud-Hughes 2013-3-19 17705 Riverside Palo Verde Mesa, 14 km SW of Blythe, 6 km ENE of north end of the Mule Mountains. 118 Comment
  UC20555  Oenothera deltoides subsp. deltoides S. B. Parish Apr 4 1896-Apr 13 1896 4107 Riverside Palm Springs (Agua Caliente) desert base of San Jacinto Mt. 152 Comment
  UCR178162  Oenothera elata John F. Green, M. D. Wilcox 2003-7-15 s.n. Riverside San Jacinto Mtns., on powerline trail, picnic area at Juan Diego Flats, NW of Cahuilla Mountain 1220 Comment
  UC69875 Image available Oenothera micrantha var. ignota Mrs. C. M. Wilder 1905-4-1 90 Riverside Jurapa Hills West Riverside; Jurapa Hills, West Riverside Comment
  POM211589  Oenothera stubelii Unspecified s.n. Riverside San Gorgonia River Bridge near Cabazon. Comment
  SD122938  Olea europaea Steve Boyd 1985-7-23 1004 Riverside De Luz Rd., 5.5 mi. west of Rancho California. Adventive around canopy of large Platanus. 395 Comment
  CAS-BOT-BC427465  Oligomeris linifolia E. A. McGregor 1917-3-19 799 Riverside Colorado Desert. Indio Sands near U. S. Date Garden Comment
  UCR167393  Oligomeris linifolia 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
  JOTR32328  Olneya tesota Herskovits, Tasya 2011-5-25 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains; Open, sandy bajada adjacent to Pinto Basin road and near south park boundary Comment
  RSA630247  Olneya tesota R. S. Woglum 1934-4-12 1355 Riverside Sonoran Desert: Mecca Canyon; Mecca Hills; North of Salton Sea. Comment
  SBBG67466  Olneya tesota M. N. Ackley 1928-3-31 618 Riverside Hidden Spring Cyn 243 Comment
  JOTR29440  Opuntia basilaris var. basilaris La Doux, Tasha, M. Bell, B. Truesdell 2006-3-22 1374 Riverside Joshua Tree National Park. East Wide canyon 499 Comment
  RSA4029  Opuntia basilaris var. basilaris C. B. Wolf 1931-10-14 2456 Riverside Snow Creek 3/4 miles below the Fish Hatchery, N base of San Jacinto Mountains. 427 Comment
  RSA7219  Opuntia chlorotica B. D. Stark 1932-6-5 3709 Riverside Palms to Pines Road, San Jacinto Mountains. 1067 Comment
  SEINET6044361  Opuntia chlorotica Unknown 1996-7-2 4268 Riverside San Jacinto & Santa Rosa Mnts. Pinyon Flat Area. North of Highway 74 ca 10 road miles east of jct. with Hwy 371. West facing slope. Comment
  RSA508241  Opuntia parryi E. W. Lathrop 1977-7-13 7688 Riverside Bedford Truck trail of the Cleveland National Forest. At base of Bedford Canyon. Trabuco District. 457 Comment
  SEINET4080621  Orcuttia californica L. M. Boykin, P. M. Hall 2001-1 Riverside Comment
  UCR89765  Orobanche bulbosa Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3327 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  CAS-BOT-BC502867  Orobanche cooperi subsp. cooperi James R. Shevock 1986-3-23 11352 Riverside Along Ca Hwy 177 (Desert Center--Rice Road), 10 mi S of Hwy 62 and about 17 mi N of Desert Center 200 Comment
  RSA0070480  Orobanche cooperi subsp. cooperi Edmund C. Jaeger 1921-3-20 1056 Riverside Salton, Colorado Desert. Comment
  RSA198928  Orthocarpus densiflorus var. gracilis Robert F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37431 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California 671 Comment
  SEINET13710345  Orthocarpus purpurascens S. W. Austin, S. W. Austin 1969-1 34 Riverside on SW Side of Alberhill Rd, 2.5 Mi. NW Elsinore 1000 Ft 305 Comment
  SBBG132501  Oxalis californica S. D. White 2003-3-21 8825 Riverside Rancho Mission Viejo, E-facing slopes above an unnamed tributary to San Juan Crk 122 Comment
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May 28 2018
  RSA544399  Oxytheca emarginata Steve Boyd, Tim S. Ross 1991-6-8 6326 Riverside Pinyon Flats area near Ribbonwood. White calcareus outcrop forming small hill N of Hwy 74 Comment
  RSA753478  Oxytheca emarginata Scott D. White, Justin M. Wood 2009-5-21 12869 Riverside San Jacinto Mountains: Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  RSA5019  Paeonia californica Carl B. Wolf 1932-3-20 19 Riverside Richman Ranch, 2.5 miles north of De Luz. 457 Comment
  UC718284  Paeonia californica Carl B. Wolf 1936-6-17 7955 Riverside Tenaja Road Santa Ana Mts. (1.4 mi off Ortega Highway, on road to La Cienaga) 609 Comment
  CAS-BOT-BC327890  Palafoxia arida Carl B. Wolf 1932-5-25 3684 Riverside San Gorgonia Wash, on road to Snow Creek Canyon 365 Comment
  CAS-BOT-BC327938  Palafoxia arida L. A. Greata 1905-4-1 421 Riverside Coachella Comment
  UCR148845  Palafoxia arida 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
  JEPS34758  Palafoxia arida var. arida I. W. Clokey, B. C. Templeton 1930-4-9 4682 Riverside N of Palm Springs, Colorado desert 170 Comment
  RSA296138  Palafoxia arida var. arida B. A. Prigge 1980-8-5 3881 Riverside Whitewater canyon: 1.1 miles N of Interstate 10. 473 Comment
  UC39300  Panicum acuminatum var. acuminatum H. M. Hall June 1901 2244 Riverside North Fork San Jacinto River San Jacinto Mountains, North Fork San Jacinto River (Southern California) 914 Comment
  POM193819  Panicum hirticaule subsp. hirticaule Marcus E. Jones 1929-9-19 24693 Riverside East of Desert Center Comment
  CAS-BOT-BC253855  Panicum miliaceum Gordon Sun 1916-8-1 s.n. Riverside Top of St. John's Grade Comment
  UCD90127  Panicum urvilleanum R. Tofsrud 1949-4-1 s.n. Riverside Hwy. 99 between Indio and Thousand Palms. Comment
  RSA263663  Papaver californicum E. W. Lathrop 1969-5-8 7017 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  UCR1597  Papaver rhoeas R. L. Irwin 1962-5-8 0076 Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, on Canyon Crest Drive just past U.S. 395 [Hwy 60] freeway bridge and on curve going southwest 317 Comment
  CAS-BOT-BC274188  Pappostipa speciosa Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore Comment
  SEINET191850 Image available Pappostipa speciosa C. L. Hitchcock 1940-4-12 6046 Riverside 8 mi NW of Elsinore Comment
  SD185325  Parietaria hespera A. C. Sanders 1995-3-19 16159 Riverside Coachella Valley; alluvial fan of Chino Canyon along the Palm Springs tram road, N of the road, 14 telephone poles above Hwy 111 (Palm Canyon Dr.) 299 Comment
  CAS-BOT-BC413394  Parietaria hespera var. hespera Milo S. Baker 1928-4-3 2779 a Riverside Palm Canon [Canyon] Comment
  SEINET3107451  Parkinsonia aculeata Faulkner 1978-4-27 478 Riverside 3 miles east of Blythe. 137 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
  RSA698047  Parosela emoryi J. Russell Bruff 1928-12-29 402 Riverside Lone Cottonwood Ranch 2 mi. S.E. of Dos Palmos. Comment
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Oct 23 2011
  RSA698049  Parosela mollis J. Russell Bruff 1929-12-28 448 Riverside 1 mi. S.E of Dos Palmas. Comment
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Apr 28 2011
  UCR19661  Paspalum dilatatum John C. Roos 1965-8-3 s.n. Riverside Hemet 503 Comment
  JOTR30837  Pectis papposa var. papposa La Doux, Tasha, Jim Andre 2008-9-16 347 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
  OBI15592  Pectis papposa var. papposa Lewis S. Rose 1961-11-24 61063 Riverside La Quinta 15 Comment
  SFV11423  Pectis papposa var. papposa M. L. Vincent, R. H. Swade 1963-10-19 447 Riverside Within 3 miles of California State Highway 74 (Pines to Palms Highway) as highway crosses Santa Rosa Indian Reservation. About 1.5 miles west of Santa Rosa summit. 1503 Comment
  UC1532788  Pectis papposa var. papposa Robert F. Thorne 1966-10-15 41795 Riverside at foot Palms to Pines Highway (near Palm Desert); Dead Indian Canyon Comment
  OBI20878  Pectocarya heterocarpa Robert F. Hoover 1969-4-11 11213 Riverside Mouth of Morongo Valley Cyn Comment
  UCD120120  Pectocarya heterocarpa LeRoy Gross; Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1429 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. Near 33 deg. 37'32'N, 115 deg. 19'35'W: UTM 3721895N, 655238E to 33 deg. 36'52N, 115 deg. 19'54': UTM 3720669N, 654757E. 548 Comment
  HSC92881  Pectocarya linearis Karen Kirtland 1993-4-17 Riverside N of Temecula Comment
  RSA695834  Pectocarya linearis J. R. Bruff 1927-3-12 3 -L Riverside San Gorgonio River near Cabazon [note that label reads San Bernardino Co.] Comment
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Mar 13 2011
  SD247368  Pectocarya linearis A. C. Sanders, Jake Schweitzer and Katie Young 2015-3-23 41418 Riverside San Gorgonio River wash, ca. 3.7 miles east of Cabazon, ca. 1.25 miles NNE f One Horse Spring, south of I-10 and east of water bottling plant, between wind farms. 427 Comment
  UCR103253  Pectocarya linearis B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3580 .2 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  UCR250362  Pectocarya linearis A. C. Sanders 2014-4-9 40993 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. north of intersection with Indian Truck Trail, c. 0.18 km southeast of El Hermano Rd., NW of Corona (Lee) Lake 316 Comment
  RSA604848  Pectocarya linearis subsp. ferocula Scott D. White 1995-3-30 2644 Riverside Moreno Valley; hills +/- 0.7 air mile directly S of 60 Fwy and west of bend in Moreno Beach Dr; (USGS Sunnymead 7 1/2' quad shows ''Moreno'' BM 2067 at top of hill). 579 Comment
  SD137836  Pectocarya linearis subsp. ferocula Darin L. Banks 1995-4-5 134 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. North slope of Agua Tibia Mountain, east of Dripping Springs Alcove,along Drip.Sp.Trail 609 Comment
  UC64422  Pectocarya linearis subsp. ferocula H. M. Hall May 1900 Riverside Reche Canyon Comment
  UCSB15047  Pectocarya linearis subsp. ferocula Breedlove, Dennis 1962-3-11 Riverside On hillside 5.7 miles southeast of U.S. 395 on State 74, road to Hemet 487 Comment
  UCR804  Pectocarya penicillata J. E. Dimitman 1957-4-1 s.n. Riverside at the top of Pigeon Pass Comment
  RSA678271  Pectocarya peninsularis Valerie Soza, J. M. Porter, Gary D. Wallace 2001-4-2 1081 Riverside Little San Bernardino Mountains region: Big Morongo Wash. 473 Comment
  POM305611  Pectocarya recurvata Henry J. Ramsey, Henry J. Ramsey 1937-2-26 906 Riverside Whitewater. Comment
  POM368818  Pectocarya recurvata Christopher Davidson, J. L. Jones 1980-4-4 9945 Riverside Orocopia Mts. West end of the mountains in a small canyon and wash almost due south of Oro Peak. 518 Comment
  RSA501080  Pectocarya recurvata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3198 Riverside Vail Lake Area, W end of bench on S flank of Oak Mt. 518 Comment
  RSA543607  Pectocarya setosa Steve Boyd 1991-5-7 6169 Riverside Santa Ana Mountains, SE and E side of Elsinore Peak. 1006 Comment
  POM281165  Pedicularis densiflora Ethel Rush 1951-4-12 169 Riverside 1 mi. south of Aguaga, Hyway 79. Agua Tibia Mts. Loam soil. Lake Henshaw drainage, loam soil. west slope. Comment
  UC64233  Pedicularis densiflora H. M. Hall 1897-4-17 476 Riverside vicinity of Beaumont Comment
  CAS-BOT-BC69221  Pellaea andromedifolia Elmer I. Applegate 1893-4-23 s.n. Riverside East Riverside Comment
  RSA743826  Pellaea andromedifolia var. andromedifolia Sarah J. De Groot, J. Mark Porter 2005-3-9 4773 Riverside Whitewater Canyon, several miles north of I-10. 591 Comment
  RSA686924  Pellaea mucronata Norman C. Cooper 1944-3-25 1031 Riverside Cabazon 457 Comment
  UCR225215  Pellaea mucronata T. B. Salvato, Matt Malle, Tim Searl 2011-4-19 5162 Riverside Peninsular Range; Gavilan Hills, Alberhill, unpaved extension of Lake Street, 1.5 km NNE of the intersection of Lake Street and Hwy 15 473 Comment
  POM11830  Pellaea mucronata var. mucronata P. A. Munz, D. Keck 1922-4-14 4995 Riverside Colorado Desert: Mouth of Whitewater Creek 229 Comment
  POM120718  Pellaea mucronata var. mucronata Marcus E. Jones 1903-5-11 s.n. Riverside Banning. 701 Comment
  UCR207574  Pennisetum clandestinum O. F. Clarke 2004-6-18 s.n. Riverside Peninsuar Range; Box Springs Mtns. Foothills, Riverside, UCR campus, south of the Humanities Theater 324 Comment
  SEINET4691941  Pennisetum setaceum Duncan S. Bell, John Anderson & Keir Morse 2012-1 4380 Riverside Colorado Desert; Chocolate-Chukwalla mountains region: Mecca Hills: upper branch of Hidden Spring Canyon, approx 0.6 air miles southeast of hidden spring and 0.6 air mile south of the Grotto 250 Comment
  NY583869  Penstemon centranthifolius W. L. Jepson 1939-4-17 19163 Riverside 3 miles east of Temecula, on State Highway No. 71 Comment
  POM122818  Penstemon grinnellii Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  UCR35236  Penstemon grinnellii L. B. Ziegler 1968-6-17 326 Riverside San Jacinto Mtns, Strawberry Valley. Near the base of Lily Rock 1951 Comment
  JEPS44390  Penstemon labrosus Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4269 1/2 Riverside e Toro Peak (Santa Rosa Mountains); , e of Toro Peak Comment
  RSA68357  Penstemon labrosus Verne Grant, Alva Grant 1951-7-20 16099 Riverside Idyllwild 1646 Comment
  UC27466  Penstemon labrosus H. M. Hall July, 1901 2506 Riverside vicinity Strawberry Valley (San Jacinto Mountains, Southern California); San Jacinto Mountains, vicinity Strawberry Valley 1584 Comment
  NY661151  Penstemon spectabilis var. spectabilis E. K. Balls 1953-8-19 18534 Riverside 1-1.5 miles west of Anza along highway from Anza to Aguanga 1219.2 Comment
  CAS-BOT-BC239692  Penstemon thurberi Edmund C. Jaeger 1931-10-25 s.n. Riverside 2 miles north of Lost Horse Mine, crossroads of Lost Horse-Stubby Springs road, Little San Bernardino Mountains Comment
  UCR193118  Pentachaeta aurea A. C. Sanders, Tim Thomas 2008-6-20 35530 Riverside Peninsular Range; San Jacinto Mtns., May Valley area, at spring with trough, along dirt road (May Valley Rd.) c. 1.5 mi. ENE of Keenwild, 0.5 mi. NW of FS Rd. 5S05 1610 Comment
  SD187297  Pentagramma triangularis Scott D. White, Angelia Carey 2004-4-16 10180 Riverside San Jacinto Mountain foothills; Indian Creek and adjacent slopes. 548 Comment
  SEINET852425  Pentagramma triangularis G. Yatskievych 1981-1 81 -141 Riverside Overlooking Lake Elsinore, State Highway 74, 0.6 miles northeast of El Carizo. Comment
  RSA0066309  Pentagramma triangularis P. A. Munz 1922-4-29 5116 a Riverside 5 miles west of Aguanga. Comment
  UCR91555  Pentagramma triangularis subsp. maxonii A. C. Sanders, G. K. Helmkamp, L. Lubinsky, C. L. Sanders 1995-1-29 15898 Riverside San Jacinto Mtns/Colorado Desert, Chino Canyon near Palm Springs, 1.8 mi above Palm Canyon Rd (Hwy111) on the rd to the tram station, vicinity of the upper end of the flood control dike 428 Comment
  RSA772404  Pentagramma triangularis subsp. triangularis Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4862 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm)., between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  UC63690  Perideridia parishii subsp. latifolia H. M. Hall 1897-8-16 851 Riverside San Jacinto Mt.; bogs and meadows 2499 Comment
  UCSB12247  Peritoma arborea Creighton, B. 1961-5-7 Riverside 9 miles north Palm Springs, on State Highway 111, in the Coachella Valley 152 Comment
  JOTR37437  Perityle emoryi Hodges, Stephen R., T. Hender 2015-12-30 559 Riverside Joshua Tree National Park. Pinto Basin, Black Eagle Mine Road, near Park Boundary (Stop 2) Comment
  RSA747729  Perityle emoryi Scott D. White, Justin M. Wood 2009-3-24 12563 Riverside Western foothills of Mecca Hills, +/- 0.5 air mile east of the Coachella Canal and 4 air miles S of the I-10 Freeway. 21 Comment
  RSA795745  Perityle emoryi J. Andre 2012-3-19 21309 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
  UCD134914  Perityle emoryi L. S. Rose 1935-12-23 s.n. Riverside San Jacinto Mountains, above Deep Canyon, Colorado Desert, 13 miles south of Cathedral City. 609 Comment
  SD146181  Persicaria punctata Andy C. Sanders, M. Provance, T. B. Salvato 2000-10-5 23718 Riverside Hidden Valley Wildlife Area, ca. I(c) mile west of the park office near Riverside between La Sierra and Norco 191 Comment
  RSA77426  Petalonyx linearis F. W. Peirson 1921-3-23 2376 Riverside Deep Canyon south of Coachella Valley 335 Comment
  POM2691  Petalonyx thurberi J. S. Chase 1916-04 s.n. Riverside Palm Springs. Comment
  JOTR35001  Petalonyx thurberi subsp. thurberi La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3103 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road Comment
  UC65005  Petalonyx thurberi subsp. thurberi E. E. Schellenger 1904-10-15 48 Riverside Colorado Desert, Whitewater Wash Comment
  UCR277612  Petalonyx thurberi subsp. thurberi Aaron C. Sedgwick, Joella Adkins, Jennifer Pilapil 2012-8-14 104 Riverside Sonoran (Colorado) Desert, NE of Mecca Hills, south of Hwy I-10, c. 400 m east of Box Canyon Rd. 488 Comment
  RSA741554  Petunia parviflora Justin M. Wood 2008-9-22 159 Riverside SW Perris Basin; Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR110405  Petunia parviflora A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23174 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. east of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  UCR110419  Petunia parviflora A. C. Sanders, Mitch Provance 1999-9-26 23128 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  UCR23256  Petunia parviflora John C. Roos 1952-5-28 5728 Riverside Perris-Aguanga Basin region, San Jacinto River bottomland 1 mile southeast of Perris 427 Comment
  CAS-BOT-BC326775  Peucephyllum schottii Aven Nelson; Ruth Nelson 1939-3-27 3291 Riverside Near Fish Springs west of teh Salton Sea Comment
  UCR60772  Peucephyllum schottii Steve Boyd, O. Mistretta 1986-3-13 1479 Riverside Sonoran (Colorado) Desert, West side Palen Mtns: NE of Desert center; first large canyon at NW tip of western segment of range Comment
  UCR96915  Peucephyllum schottii Bern Schwenn 1994-4-1 s.n. Riverside Sonoran (Colorado) Desert, Eagle Mountains, Hayfield Spring on the south side of the range. 700 Comment
  RSA697775  Phacelia J. R. Bruff 1934-7-5 s.n. Riverside [Unspecified] 2439 Comment
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Nov 10 2010
  RSA783082  Phacelia J. D. Olmsted 1959-7-1 701 Riverside Drainage area to Tahquitz Creek. Wellman s Cienega along trail to top of San Jacinto Peak NE of Idyllwild. 2805 Comment
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Oct 18 2012
  RSA480098  Phacelia ambigua Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, Tim Ross, D. Nordin 1988-3-10 2187 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  POM13112  Phacelia brachyloba P. A. Munz, I. M. Johnston 1922-5-19 5344 Riverside 5 mi. E of Murrieta. 488 Comment
  RSA764131  Phacelia brachyloba L. M. Prince, Duncan S. Bell 2009-6-17 570 Riverside Cleveland National Forest Comment
  JEPS119490  Phacelia campanularia subsp. campanularia Clark Cowan 1978-4-23 1172 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon. Comment
  UC572562  Phacelia campanularia subsp. campanularia H. S. Yates 1937-3-24 6476 Riverside near mouth of Deep Canyon; Thermal Quadrangle 304 Comment
  UC881002  Phacelia campanularia subsp. vasiformis C. L. Hitchcock 1940-3-29 5862 Riverside ca 100 yds e Spring; Cottonwood Canyon Comment
  RSA0028788  Phacelia campanularia subsp. vasiformis N. C. Cooper 1944-3-25 995 Riverside Morongo Pass. 457 Comment
  UCR100824  Phacelia cicutaria var. hispida G. R. Ballmer 1998-5-23 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, Massinger oak easement, Riverside Land Conservancy, north base of Redonda Mesa, close to Tenaja Rd. 671 Comment
  UCR258758  Phacelia cicutaria var. hispida T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7916 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
  SEINET7048178  Phacelia cicutaria var. hispida Steven R. Hill 2001-5-3 33684 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  RSA0014470  Phacelia crenulata var. ambigua Justin M. Wood, J. Miner 2010-4-29 1544 Riverside Coachella Valley: Cathedral City, 0.5 mi SW of intersection of East Palm Canyon Drive and Cathedral Canyon Wash. 130 Comment
  RSA658623  Phacelia crenulata var. ambigua Trudy R. Ericson 1975-4-26 295 Riverside 2.8 mi. on jeep road which intersects Shivers Wells Road 28mi. east of Mecca on north side of paved road. 366 Comment
  UCR72178  Phacelia crenulata var. ambigua Theo Glenn 1991-5-15 91- 43 Riverside Sonoran (Colorado) Desert, Little Maria Mountains, NW of Blythe 351 Comment
  RSA778225  Phacelia crenulata var. minutiflora Duncan S. Bell 2009-3-7 30 Riverside Arica Mountains: collecting on the ridgeline of the mountain range just north of the summit along the border of the Palen/McCoy Wilderness area. 614 Comment
  RSA0123357  Phacelia distans Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9047 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
  RSA550347  Phacelia distans Walter Wisura, John Dolan, M. Wall 1992-3-24 4641 Riverside Lowdesert: 5.6 mi. S of I-10 on rd to Corn Spring. Comment
  RSA775272  Phacelia distans Duncan S. Bell 2011-4-8 2199 Riverside Northwest section of the Granite Mountains; approximately 1 air mile southeast of junction of Highway 62 and Highway 177. 470 Comment
  UC881082  Phacelia distans I. W. Clokey and E. G. Anderson 1930-4-11 4681 Riverside n Palm Springs; Colorado Desert 170 Comment
  UCR41340  Phacelia distans N. M. Fellows, A. C. Sanders 1985-4-9 154 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert, Oasis de Los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mtns., 1 mile west of Snow Creek Village 489 Comment
  RSA699651  Phacelia hispida Keith E. Hoffmaster 1934-4-8 s.n. Riverside Santa Ana Mts. Comment
  CLARK-A1703-1209  Phacelia minor Charles S. Papp 1965-4-15 806 Riverside Box Springs Mountains Comment
  RSA776234  Phacelia minor Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 870 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 610 Comment
  SD227838  Phacelia minor A. C. Sanders 1994-5-15 14482 Riverside Mount Rubidoux on NW side of Riverside on the east bank of the Santa Ana River. 399 Comment
  SEINET244830 Image available Phacelia minor A. C. Sanders 2002-4-16 24961 Riverside The Badlands; Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 549 Comment
  SEINET7073405  Phacelia minor A. G. Vestal 1963-4-23 s.n. Riverside About 0.1 mile east of Corner at the base of Gavilans Hills. Coordinate datum: NAD27. Comment
  UCR116967  Phacelia minor A. C. Sanders, T. B. Salvato 2001-5-3 24092 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR224447  Phacelia minor Steve Boyd, Susan Jett 2008-3-20 11826 Riverside Peninsular Ranges; Santa Ana Mountains region, Eastern flank of the range along El Cariso Truck Trail ca. 0.5 mi north of Highway 74. (33 deg. 39'26"N, 117 deg. 24'25"W). 732 Comment
  UCR98689  Phacelia minor S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  UCSB10390  Phacelia minor Wedberg, H. 1957-3-23 Riverside Whitewater Canyon Comment
  RSA428263  Phacelia minutiflora N. C. Cooper 1949-4-8 3293 Riverside Desert Center. 610 Comment
  JOTR36431  Phacelia neglecta La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3403 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  JEPS2792 Image available Phacelia parryi var. celata S. B. Parish 1907-1 Riverside San Gorgonio Pass Colorado Desert, Whitewater River; Whitewater River, San Gorgonio Pass, Colorado Desert Comment
  UCR123223  Phacelia stellaris O. F. Clarke, Helga Forster 2000-1 s.n. Riverside San Bernardino Valley region, Riverside, west side of Santa Ana River opposite the south end of Mt. Rubidoux, SE of Flabob Airport, south of bend in Crestmore Rd. and 2 mi. south of Mission Blvd., east of Co. Parks Hqtrs. 229 Comment
  UCR262230  Phacelia umbrosa T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3708 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  UCR114539  Phalaris aquatica A. C. Sanders, K. C. Rose 1999-6-18 22807 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave. near Rawson Rd. 451 Comment
  UCR16672  Phalaris aquatica Frederick Neill 1977-5-28 52804 Riverside Santa Ana Mtns., 4.8 mi. up Skyline Dr. from Corona, near crest of mountains 854 Comment
  RSA234035  Phalaris caroliniana R. F. Thorne, Earl Lathrop 1969-5-12 37951 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California. 625 Comment
  RSA674591  Phalaris lemmonii Scott D. White 2000-5-5 7775 Riverside City of Murrieta: Vacant lot on N corner at intersection of Jefferson Av. and Murrieta Hot Springs Rd. 323 Comment
  UCR220338  Phalaris lemmonii D. E. Bramlet 1991-5-7 2128 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
  SD114076  Philadelphus microphyllus var. pumilus Darley F. Howe 1973-7-28 4885 Riverside Santa Rosa Mts. 2438 Comment
  JEPS83130  Phleum alpinum Carl V. Meyer 1928-7-26 538 Riverside Deer Springs 2651 Comment
  POM14012  Phlox austromontana E. C. Jaeger 1921-7-1 s.n. Riverside Palms to Pines trail. 1738 Comment
  RSA97670  Phlox austromontana R. M. Straw 1954-6-10 610 Riverside Mountain Home Spring, Santa Rosa Mountain, San Jacinto Mountains. Comment
  UCR69908  Phoenix canariensis A. C. Sanders 1991-7-19 11152 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
  RSA543912  Pholisma arenarium Steve Boyd 1991-5-20 6277 Riverside Santa Ana Mountains, NW of Lake Elsinore. Lower Rice Cyn, just inside Cleveland Nat. For. boundary. 573 Comment
  POM128392  Pholistoma auritum Thomas Craig 1927-4-23 217 Riverside Glen Ivy. Comment
  RSA314453  Pholistoma membranaceum Robert F. Thorne, F. R. Fosberg, Charles C. Herbst, M. H. Sachet 1983-4-23 55455 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  UCR167302  Pholistoma membranaceum Scott D. White 2005-3-29 10829 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
  POM48145  Phoradendron californicum S. B. Parish 1920-3-26 20010 Riverside Indian Wells. Comment
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Mar 12 2011
  UCR114127  Phoradendron californicum B. G. Pitzer, J. Ross 1998-3-8 3602 Riverside Sonoran (Colorado) Desert, S-facing fan on north side of Hayfield Lake, along road to pumping plant. 427 Comment
  UCR50007  Phoradendron californicum Dennis E. Kucera 1987-11-14 s.n. Riverside Malki Museum garden, east of Banning off Fields Road, Morongo Indian Reservation 610 Comment
  OBI75817  Phoradendron californicum var. leucocarpum Robert F. Hoover 1966-10-15 10165 Riverside Dead Indian Cyn Comment
  RSA132708  Phoradendron densum Del Wiens 1954-10-19 961 Riverside Palms to Pines highway, btwn. Keen Camp and Palm Desert, Hgwy # 74.Pinyon-Juniper WoodlandParasictic on juniper. Comment
  SD232812  Phoradendron leucarpum subsp. tomentosum Scott D. White 1996-8-1 4444 Riverside Idyllwild Area: North of Strawberry Valley, between Bear Trap Cyn and Lily Creek. 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
  POM354351  Phoradendron villosum N. C. Cooper 1945-5-24 1630 Riverside Big Oaks Canyon, Banning. 1220 Comment
  POM172734  Phragmites australis M. French Gilman 1930-4-6 s.n. Riverside [Monsen] Canyon, Eagle Mts. Comment
  RSA423188  Physalis crassifolia Anstruther Davidson s.n. Riverside Palm Springs. Comment
  RSA423819  Physalis crassifolia M. B. Dunkle 1932-3-25 2908 Riverside Cathedral Canyon Comment
  RSA709876  Physalis crassifolia Sarah J. De Groot, Leland Lubinsky, Naomi S. Fraga, Lisa Rojas 2005-2-10 4621 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  RSA79897  Physalis crassifolia F. W. Peirson 1922-4-8 1088 Riverside between Whitewater and Palm Springs. Comment
  SEINET3078253 Image available Physalis crassifolia Barbara Gayle Pitzer 1998-1-24 3381 Riverside N foot of Chuckwalla Mtns, Eagle Mt Rd, S side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  SEINET4099573  Physalis crassifolia G. T. Manthey 1977-1 1622 Riverside Along road going from Mecca to Joshua Tree National Forest. Comment
  UCR102698  Physalis crassifolia B. G. Pitzer 1998-1-24 3381 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
  JEPS47909  Pinus flexilis W. L. Jepson and H. M. Hall 1901-5-25 1452 Riverside very top Santa Rosa Peak Comment
  UCR240645  Pinus jeffreyi Tracy Tennant, Mitch Provance 1998-6-16 MOR- 438 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon, in wash just north of woodland stand M15 1098 Comment
  UCR135816  Plagiobothrys acanthocarpus A. C. Sanders, Guy Bruyea 2004-4-2 27448 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 335 Comment
  SBBG53828  Plagiobothrys canescens A. C. Sanders 1980-5-2 1437 Riverside Motte Reserve, located in the rocky hills 2.5 mi NW of Perris 518 Comment
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Sep 10 2011
  UC480644  Plagiobothrys canescens Philip A. Munz 1927-5-21 10833 Riverside Coahuila Valley 1219 Comment
  UCR98061  Plagiobothrys canescens A. C. Sanders 1997-3-1 19730 Riverside Box Springs Mountains, Pigeon Pass, canyon below Regulus Road, 0.6 mi. west of Pigeon Pass Road., 0.4 mi. east of Bench Mark 'Table' (2559 ft). 610 Comment
  UCR91408  Plagiobothrys collinus Scott D. White 1995-4-5 2756 Riverside Perris Valley, Lakeview Mountains; SW of Juniper Flat Road 579 Comment
  LA210033  Plagiobothrys collinus var. californicus Ivan M. Johnston; 1920-5-8 Riverside Jurupa Mountains Comment
  POM8981  Plagiobothrys collinus var. californicus P. A. Munz, Harwood 1920-3-20 3390 Riverside Elsinore. 396 Comment
  RSA359527  Plagiobothrys collinus var. californicus Steve Boyd 1986-3-9 1389 Riverside Temescal Canyon: Alberhill Mountain, S slope of mountain just east of claymine area. 427 Comment
  UCR112525  Plagiobothrys collinus var. californicus Mitch Provance 1998-2-13 8 Riverside Jurupa Mountains, Pyrite Canyon, c. 0.3 km east of peak 1768, and c. 0.3 km south of Riv. / S.B. county line. 442 Comment
  RSA709076  Plagiobothrys nothofulvus Jeri Hirshberg 1989-3-15 s.n. Riverside Santa Ana Mtns.: Santa Rosa Plateau, south of town of Murrieta; small mesa SW of Mesa de Burro. 10 Comment
  JEPS30093  Plantago ovata Lewis S. Rose 1962-3-2 62008 Riverside La Quinta 3 Comment
  JEPS7174  Plantago ovata Marjorie D. Clary 1932-3-27 1682 Riverside 5 mi n Indio; Indio Hills 152 Comment
  UC1125638  Plantago ovata H. S. Yates 1937-3-23 5396 Riverside 2 mi n Palm Springs; San Jacinto Quad. 213 Comment
  UC577432  Plantago ovata J. and H. W. Grinnell 1937-11-30 1083 a Riverside 24 mi w Blythe (Bed of Ford Dry Lake); Ford Dry Lake Comment
  UCR167203  Plantago ovata 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
  SEINET7048025  Plantago ovata Steven R. Hill, Kate Kramer 2001-4-27 33495 Riverside California Route 86, west side of U.S. Navy Salton Sea Test Base road just east of Route 86. About 10.4 miles south of Salton City. Elevation 16 feet. 4 Comment
  HSC87311  Plantago ovata var. fastigiata Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2104 Riverside N end of the Palen Mtns., 2 mi. W of Palen Pass 300 Comment
  JOTR35344  Plantago ovata var. fastigiata Harding, Mitzi, Mark Wheeler 2012-2-28 111 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; large northeast flowing canyon (Stop 5) 268 Comment
  JOTR32377  Plantago patagonica La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2488 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam loop trail; Pine-oak woodland among granitic boulder outcrops and narrow drainage system (Stop 3) 1295 Comment
  UCD124380  Plantago patagonica Thorjus Rendira 1923-1 s.n. Riverside Aquauga. Comment
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Mar 15 2014
  POM1499  Platanus racemosa I. M. Johnston 1917-4-4 1094 Riverside Andreas Canyon, near Palm Springs. 229 Comment
  CAS-BOT-BC91881  Platystemon californicus Greata 1906-5-1 477 Riverside Redlands. Comment
  POM13014  Platystemon californicus P. A. Munz, I. M. Johnston 1922-5-20 5457 Riverside Kenworthy, San Jacinto Mountains 1402 Comment
  RSA13843  Platystemon californicus P. A. Munz 1922-4-28 5032 Riverside Temescal Canyon. Comment
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Apr 3 2011
  RSA66241  Platystemon californicus F. W. Peirson 1922-4-29 2935 Riverside South of Lake Elsinore. 381 Comment
  UCR142194  Platystemon californicus June Latting 1979-5-4 s.n. Riverside Gavilan Hills, Harford Springs County Park 610 Comment
  POM13460  Plectritis ciliosa subsp. insignis Philip A. Munz, I. M. Johnston 1922-5-19 5389 Riverside Keen Camp, San Jacinto Mountains. 1463 Comment
  RSA557892  Plectritis ciliosa subsp. insignis Steve D. Boyd, Orlando Mistretta 1992-4-22 6996 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  UC1979868  Pleuraphis rigida Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy 2011-3-23 803 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Chuckwalla Mountas, North side, Alligator ACEC off I-10, south of Desert Center, in hills above Granite Mine. Comment
  UC818425  Pleuraphis rigida C. L. Hitchcock 5934 Riverside along 29 Palms Road 1 1/2 mi ne Cottonwood Spring (Joshua Tree Nat. Monument); , ne of Cottonwood Spring Comment
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Nov 6 2011
  CAS-BOT-BC326579  Pleurocoronis pluriseta John Thomas Howell 1928-1-29 3299 Riverside Painted Canyon, Colorado Desert Comment
  CLARK-A1528-2187  Pleurocoronis pluriseta John C. Roos 1946-11-30 3172 Riverside Chuckwalla Mountains Comment
  UCR60788  Pleurocoronis pluriseta Steve Boyd, O. Mistretta 1986-3-13 1482 Riverside Sonoran (Colorado) Desert, West side Palen Mtns: NE of Desert center; first large canyon at NW tip of western segment of range Comment
  SEINET12534743 Image available Pleurocoronis pluriseta H. M. Hall 1905-4-16 5795 Riverside Marshall Canon, 11 km W of Coachella, Colorado Desert, in the Lower Sonoran Zone. 30 Comment
  UCSB39093  Pluchea sericea Jorgensen, Jan 1982-3-6 Riverside Coachella Valley, along Avenue 66, Coachella 70 Comment
  UCD90508  Poa bigelovii F. M. Reed 1920-3-24 4187 Riverside Palm Springs District. Colorado Desert. Murray Canyon. Comment
  POM14438  Poa secunda P. A. Munz, I. M. Johnston 1922-5-21 5509 Riverside Kenworthy, San Jacinto Mountains. 1418 Comment
  RSA341988  Poa secunda R. F. Thorne 1980-4-16 54063 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  UCD90298  Poa secunda A. A. Beetle 1944-4-27 3003 Riverside West of Murietta. Comment
  UCR92675  Poa secunda Scott D. White 1994-5-4 2014 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  UC39551  Poa secunda subsp. secunda H. M. Hall June, 1901 2064 Riverside San Jacinto Mts 1615 Comment
  SEINET949798 Image available Poaceae Michael L. Fugate 2007-1 Riverside San Bernardino Valley: Riverside at 1469 Claymore Court, just east of Sycamore Canyon (Riverside East 7.5' Q). 488 Comment
  RSA571317  Polycarpon depressum Steve Boyd, D. L. Banks 1994-4-5 8265 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero. 762 Comment
  UC667275  Polygala acanthoclada Annie M. Alexander and Louise Kellogg 1941-5-18 2195 Riverside 1.5 mi n Cottonwood Spring; Colorado Desert, Eagle Mountains 975 Comment
  RSA774301  Polygonum Duncan S. Bell 2011-4-7 2181 B 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
  RSA0013161  Polygonum aviculare LeRoy Gross, Caitlin Elam 2013-5-14 6061 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
  UCR82834  Polygonum lapathifolium A. C. Sanders, S. D. White, C. L. Sanders 1994-10-9 15812 Riverside San Bernardino Mtns., Whitewater Canyon, 2 mi below trout farm, above Bonnie Bell 564 Comment
  UC6740  Polygonum polygaloides subsp. kelloggii H. M. Hall 1901-6 2354 Riverside Tauquitz Valley San Jacinto Mountains (along stream) 2438 Comment
  CHSC8342  Polypodium californicum Edward L. Smith 1958-3-6 344 Riverside Located at Cold Water Canyon, Glenn Ivy, sw side of Temescal Road, Temescal Mtns. 762 Comment
  SEINET10602403  Polypogon interruptus Steve Boyd, Timothy S. Ross 1990-5-11 Boyd 4661 Riverside Vail Lake area, Arroyo Seco drainage, cyn bottom at N base of Wild Horse Peak, SE of Dripping Springs camp-ground of Cleveland Nat. Forest. T8S, R1W, N1/2 sec. 26 1900-2000' elev. Riparian woodland, pools along stream supporting Typha, Carex, etc. Benches, slopes burned. Coarse grass, local in pool along stream. 609 Comment
  SDSU13013  Polypogon monspeliensis Michael G. Simpson 1999-10-27 2028 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  UCR21854  Polypogon monspeliensis Steve Boyd 1980-7-16 s.n. Riverside Peninsular Range, Motte Reserve, 2.5 mi NW of Perris, 0.3 mi south of secretary's house 518 Comment
  UCR22042  Polypogon monspeliensis Steve Boyd 1980-5-15 274 Riverside Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan plateau 625 Comment
  IRVC159  Polystichum imbricans subsp. curtum R. H. Whittaker, W. A. Niering 1963-5-27 SJ 7 Riverside Hemet Hwy, between Hemet and Mtn Center. Peninsular Ranges, San Jacinto Mountains 1250 Comment
  CAS-BOT-BC102582  Populus fremontii Carl B. Wolf 1932-5-25 3679 Riverside No. base of San Jacinto Mts. Snow Creek Canyon. 1 mi. below Fish Hatchery 396 Comment
  UC1134759  Populus fremontii subsp. fremontii A. Lewis Feb 1934 261 Riverside 2 1/2 mi ne Auburndale; Corona Quad. Comment
  HSC24978  Porophyllum gracile Richard Spjut 1972-2-1 2166 Riverside Colorado Desert: N face of Chuckawalla Mts. ca. 3-4 mi. S of Desert Center 305 Comment
  UCR19541  Porophyllum gracile John C. Roos 1950-5-6 4789 Riverside Santa Ana Mtns., Tin Mine Canyon 488 Comment
  UCR59181  Portulaca oleracea George K. Helmkamp 1989-9-16 s.n. Riverside Sonoran (Colorado) Desert, S of Ripley at 32nd Street and Rannells Blvd 75 Comment
  RSA519209  Potamogeton crispus M. Lee Overholtzer 1960-8-3 83 Riverside 1/2 mile down stream from Prado Dam on the Santa Ana River, Santa Ana Mts, Santa Ana River, Riverside County Comment
  UCR105729  Potamogeton pusillus L. C. Wheeler 1961-6-24 7911 Riverside San Jacinto Mountains, Fulmor Lake Comment
  UCR109644  Potamogeton pusillus T. W. Fisher 1964-7-22 s.n. Riverside San Jacinto Mtns., Lake Hemet in main feeder stream 1311 Comment
  UCR142035  Potentilla rimicola Chris E. True, Robert Cox 2004-9-14 s.n. Riverside San Jacinto Mtns., Fuller Ridge on Pacific Crest Trail, Castle Rocks area 2561 Comment
  CLARK-A1528-3251  Proboscidea althaeifolia John C. Roos 1965-9-5 Riverside Chuckwalla Valley Comment
  SBBG16213  Proboscidea althaeifolia L. Rowntree 1937-11-4 Riverside near Corn Springs Comment
  UCR134638  Proboscidea althaeifolia Nancy K. Cione 2004-4-28 s.n. Riverside Chuckwalla Valley, S of Eagle Mtns, NE of Hayfield Dry Lake, near Red Cloud Road 415 Comment
  UCR179755  Proboscidea louisianica Mike Misenhelter 2006-11-14 s.n. Riverside Hemet, south of Florida Ave. (Hwy 79) at Cawston Ave., in proposed extension of Cawston to Acacia Ave. 462 Comment
  UCR275139  Prosopis glandulosa var. torreyana David Fraker, Aaron C. Sedgwick 2012-4-5 078 Riverside Sonoran (Colorado) Desert, north of the Salton Sea on Dos Palmas Spring Road, c. 500 ft south of the aqueduct 2 Comment
  SEINET10489773  Prosopis glandulosa var. torreyana David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2882 Riverside Pushawalla Canyon, Indio Hills. In W wall of wash. Comment
  CAS-BOT-BC216520  Prosopis pubescens Annetta Carter 1938-7-16 1430 Riverside 3 miles E of Blythe, Palo Verde Valley 76 Comment
  RSA5534  Prosopis pubescens Carl B. Wolf 1932-10-14 4348 Riverside 2 miles south of Coachella -30 Comment
  LA208074  Prunus emarginata Harlan Lewis; 1937-6-4 sn Riverside San Jacinto Mountains, Idyllwild 1523 Comment
  OBI10062  Prunus fasciculata Annie M. Alexander & Louise Kellogg, Louise Kellogg 1941-5-14 2172 Riverside Eagle Mts Cottonwood Spring Pass Comment
  UC1010231  Prunus fremontii John and Lucille Roos 1953-3-21 5908 Riverside S of Palm Springs (Andreas Canyon, mouth of) 274 Comment
  CAS-BOT-BC356333  Psathyrotes ramosissima S. B. Parish 1912-6-28 8115 Riverside Mecca Comment
  CAS-BOT-BC356351  Psathyrotes ramosissima M. Bourell; R. Patterson 1987-4-14 3273 Riverside Spur N of Box Canyon Hwy 195, BLM Conservation Area 150 Comment
  RSA263880  Psathyrotes ramosissima C. W. Tilforth 1976-7-20 1212 Riverside Along power line road n.e. of Chiriaco Summit between Indio & Desert Center, Colorado Desert. Comment
  RSA472317  Psathyrotes ramosissima Anstruther Davidson 1921-4-1 s.n. Riverside Palm Springs. Comment
  SEINET10842589  Psathyrotes ramosissima David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2889 Riverside Pushawalla Canyon Biota. Indio Hills. In dry wash. Comment
  CAS-BOT-BC474732  Pseudognaphalium leucocephalum R. E. Riefner, Jr. 2015-8-20 15 -334 Riverside Temescal Valley, S of Temescal Canyon Rd. N of I-15 Freeway, ca. 0.8 mi W of Horsethief Canyon Rd., opposite from entrance to Corona Lake (Lee Lake) 370 Comment
  JOTR30281  Pseudognaphalium luteoalbum La Doux, Tasha, Alice Miller 2007-5-31 1777 Riverside Joshua Tree National Park. Stop 2: Cottonwood Springs/Oasis; in wet soil at oasis. 893 Comment
  UCSB41945  Pseudotsuga macrocarpa Ericson, Trudy 1974-11-9 Riverside Aproximately 5 mi. west of intersection of St. 74 and 243, going toward Hemet; San Bernardino National Forest 1219 Comment
  UCR182525  Psilocarphus brevissimus Mitch Provance 2005-5-17 6574 Riverside Warm Springs Valley, Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, c. 100 yards SE of the Durant RR siding, the site bordered along the NW by Pierce St. and on the N by Alberhill Creek, with Baker St. more or less bisecting the collection site 421 Comment
  UCR85640  Psilocarphus brevissimus A. C. Sanders 1993-4-5 13687 Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74 460 Comment
  CAS-BOT-BC361786  Psilocarphus brevissimus var. brevissimus A. C. Sanders 1993-5-12 13996 Riverside Hemet, SW corner of the intersection of Florida Ave. (Hwy 74) and Warren Rd., between the New San Diego Aqueduct and Warren 460 Comment
  CAS-BOT-BC353588  Psorothamnus arborescens var. simplicifolius David Dreyer 1970-6-18 173 Riverside about 2 miles south of Palm Springs station Comment
  RSA771793  Psorothamnus arborescens var. simplicifolius Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4608 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  CAS-BOT-BC353638  Psorothamnus emoryi E. A. McGregor 1917-3-18 702 Riverside 5 miles up Painted Canyon Comment
  RSA784719  Psorothamnus emoryi Duncan S. Bell 2012-3-18 3206 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  RSA66970  Psorothamnus schottii Marcus E. Jones 1924-2-26 s.n. Riverside Shavers Well. Comment
  UCD108355  Psorothamnus schottii Richard Bates 1949-4-26 s.n. Riverside Cathedral City. Comment
  SEINET12155971  Psorothamnus schottii E. A. Purer 1935-1 6462 Riverside Near Palm Springs, Colorado Desert Comment
  CDA27787  Psorothamnus spinosus W. E. Henson Jul 1932 Riverside Coachella Valley. 0 Comment
  RSA404272  Psorothamnus spinosus Ora M. Clark 1929-2-22 1587 Riverside Sandy desert valleys. So. of Palm Springs. Colorado Desert. Comment
  UCR268289  Pteridium aquilinum var. pubescens Jim Andre 2012-6-15 30531 Riverside San Jacinto Mountains, Banning, along Hwy 243, 10.7 miles south of Interstate 10, San Bernardino National Forest 1499 Comment
  SD186304  Pterostegia drymarioides Andy C. Sanders, T. B. Salvato, M. Provance 2003-4-4 25836 Riverside Santa Ana River Valley Region, Jarupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 366 Comment
  UCR58875  Pulicaria paludosa J. M. Stewart 1989-10-20 620 Riverside Santa Rosa Mtns, Carrizo Creek Canyon, c. 1 mi south of Hwy 74 Comment
  UCR94267  Quercus agrifolia Scott D. White 1996-4-14 3914 Riverside Perris Basin/San Jacinto Mtns., E of Hemet: San Jacinto River Wash near Valle Vista, north of Hwy 74, c. 1.7 mi west of USFS Cranston Fire Station 549 Comment
  UCR158949  Quercus agrifolia var. agrifolia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31544 Riverside San Jacinto Mtns., lower Bautista Canyon, 1.1 mi. above Forest Service boundary, 3.2 miles above retention dam at mouth 744 Comment
  UCR158908  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31562 Riverside San Jacinto Mtns., Valley Hi County Park (closed) off Hwy 243 and Twin Pines Rd. at McMullen Flat 1189 Comment
  UCR158954  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31548 Riverside San Jacinto Mtns., east of Vandeventer Flat along Hwy 74, 0.8 mi. west of Santa Rosa Mtn. Rd. 1311 Comment
  UCR273030  Quercus berberidifolia Mitch Provance 2012-1-25 17378 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
  UCR280998  Quercus berberidifolia Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-6-1 617- 02 Riverside Temescal Valley, Along the south side I-15, transmission right-of-way, 0.3 mi SE of Horsethief Canyon Rd. 384 Comment
  SD229167  Quercus chrysolepis Dick Schwenkmeyer 2012-8-28 821 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
  UCSB58830  Quercus cornelius-mulleri Muller, Cornelius 1941-8-10 Riverside San Jacinto Mtns, 12 miles S.E. of Keen Camp Comment
  RSA0067891  Quercus cornelius-mulleri Peter Rowlands 1970-5-17 T- 155 Riverside San Brdno. Nat. For., San Jacinto Wilderness Area, Pinon Flats Campground, 15 mi. E. of Idyllwild on Hwy. 74. 914 Comment
  SD146253  Quercus douglasii A. C. Sanders, P. J. MacKay, T. Thomas, O. F. Clarke 1997-4-13 20436 Riverside San Joaquin Valley, San Emigdio Ranch, slopes south of San Emigdio Creek, just above confluence with Doc Williams Canyon, on north-facing slope; Eagle Rest Peak 7.5' quad. 915 Comment
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Jul 23 2019
  CAS-BOT-BC86541  Quercus dumosa C. H. Muller 1941-8-10 4844 Riverside San Jacinto Mts. 12 mi SE of Keen Camp Comment
  UCR273241  Quercus durata var. gabrielensis Mitch Provance, Jeremiah George 2012-1-30 17371 Riverside Badlands of Western Riverside County, Beaumont, near N base of Mt. Davis, Cooper's Creek (tributary of San Timoteo Creek), about 2000 ft. W of Bolo Ct. and 2500 ft. S of W 4th St. 762 Comment
  CDA36348  Quercus engelmannii Mike Lahti 2011-12-22 PDR# 1590203 Riverside Murrieta; 26550 Pabescu Road near Greer Road. 0 Comment
  UCR189807  Quercus engelmannii Angela Hyder 2006-10-2 080 Riverside Peninsular Range, Lake Skinner, Lake Skinner reserve. 1 mi east of Rawson Canyon. 1 mi north of Black Mountain 660 Comment
  CAS-BOT-BC104998  Quercus wislizeni C. B. Wolf 1931-10-14 2453 Riverside Snow Crrek, 100 yds. above the Fish Hatchery, N base of San Jacinto Mts. 609 Comment
  UC667269  Rafinesquia californica Annie M. Alexander and Louise Kellogg 1941-4-27 2091 Riverside Joshua Tree National Monument, Riverside and San Bernardino Counties Joshua Tree National Monument 1310 Comment
  HSC28057  Rafinesquia neomexicana Richard Spjut 1973-4-6 3273 Riverside Colorado Desert, 4-5 mi. N of Palm Springs on Indian Ave. 152 Comment
  SEINET186324  Rafinesquia neomexicana P. A. Munz 1940-3-24 15707 Riverside 2 miles north of Cottonwood Springs Eagle Mountains. 914 Comment
  UCR19340  Rafinesquia neomexicana E. B. Eldred 1977-4-10 s.n. Riverside Santa Rosa Mtns., Agave Hill at Deep Canyon reserve 838 Comment
  JOTR01285  Rafinesquia neomexicana Cole, James E. 1941-5-31 844 Riverside Joshua Tree National Park. LOST HORSE MINE AREA 1524 Comment
  UCR108453  Ranunculus aquatilis L. C. Wheeler 1961-6-24 7910 Riverside San Jacinto Mountains, Fulmor Lake Comment
  UCR109636  Ranunculus cymbalaria var. saximontanus T. W. Fisher 1964-7-22 s.n. Riverside San Jacinto Mtns., Lake Hemet in main feeder stream 1311 Comment
  CAS-BOT-BC59508  Rhamnus crocea A. C. Sanders; G. Waines 1997-3-12 19877 Riverside Lake Sinner area: lower Rawson Canyon, just NE of the lake along the road. 457 Comment
  RSA701472  Rhamnus crocea M. Wall 1996-6-26 184 Riverside S of beaumont, 1.8 mi S of Fwy 10, canyons W of Hwy 79. Associated plants include: Adenostoma fasciculatum, Cercocarpus betuloides, Quercus berberidifolia, Prunus illicifolia, and Salvia mellifera. Comment
  UCR94264  Rhamnus crocea Scott D. White 1996-4-14 3918 Riverside Perris Basin/San Jacinto Mtns., E of Hemet: San Jacinto River Wash near Valle Vista, north of Hwy 74, c. 1.7 mi west of USFS Cranston Fire Station 549 Comment
  RSA526085  Rhamnus ilicifolia Steve Boyd, Tim S. Ross 1990-5-11 4658 Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  UCR111234  Rhamnus ilicifolia Ward B. Holt 1941-10-23 1941- 19 Riverside Southern Mojave Desert, Road to Keys [View] Point, Joshua Tree National Monument Comment
  UCR270562  Rhamnus ilicifolia John F. Emmel 1998-5-2 1543 Riverside San Jacinto Mtns., SW foothills, Bautista Canyon, 0.4-0.5 road mile SE of national forest boundary 723 Comment
  RSA0027937  Rhamnus ilicifolia John F. Emmel 1992-5-16 1222 Riverside Elsinore Mts: Ridgetop along Main Divide Road, 0.7 air mi east of El Cariso Guard Station. 902 Comment
  POM15198  Rhamnus tomentella subsp. cuspidata Mary F. Spencer 1922-6-24 1166 Riverside Tahquitz trail prope [near] Idyllwild. 1585 Comment
  POM17819  Rhamnus tomentella subsp. cuspidata P. A. Munz, D. D. Keck 1923-6-14 7081 Riverside Santiago peak, Santa Ana Mountains. 1616 Comment
  RSA20098  Rhamnus tomentella subsp. cuspidata I. W. Clokey, E. G. Anderson 1935-8-21 6735 Riverside North of Idlewilde. 1650 Comment
  RSA284575  Rhamnus tomentella subsp. cuspidata C. W. Tilforth, John Dourley 1980-7-15 2074 Riverside South leg of Thomas Mountain Road, south of Lake Hemet, west of Hiway 74. Comment
  RSA801731  Rhododendron occidentale LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6176 Riverside Logan Creek, north of the community of Pine Cove, and just west of road (5S09). 1799 Comment
  UC218160  Rhododendron occidentale P. A. Munz 1922-9-6 6383 Riverside North Fork Tahquitz Creek; San Jacinto Mountains, North Fork Tahquitz Creek 2209 Comment
  UC489155  Rhododendron occidentale C. V. Meyer 1927-6-1 191 Riverside San Jacinto Mountains, Saunders Meadow Saunders Meadow; San Jacinto Mountains, Saunders Meadow 1615 Comment
  LA62865  Rhus ovata Elizabeth McClintock; 1939-12-28 sn Riverside San Timoteo Canyon Comment
  RSA0060481  Rhus ovata J. M. Andre 2012-6-15 30494 Riverside San Jacinto Mountains: Along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest. 1171 Comment
  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
  RSA495434  Rhus trilobata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-12 2961 Riverside Vail Lake area, lower slopes of Oak Mountain 1.5 mi WSW of lake. 488 Comment
  SD73468  Rhus trilobata var. pilosissima E. W. Lathrop 1969-6-6 7110 Riverside 8 miles west of Murrieta, on the Tenaja Truck Trail between Santa Rosa Road and Los Alamos Canyon Comment
  CAS-BOT-BC108722  Ribes cereum H. M. Hall 1901-7-1 2353 Riverside San Jacinto Mountains. Tauquitz Valley. 2438 Comment
  UCR24929  Ribes cereum var. cereum A. C. Sanders 1980-8-23 1754 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  POM294431  Ribes indecorum Lyman Benson, Robert Benson 1952-3-23 14840 Riverside Northeast of Santa Rosa peak, Pines to palms Hwy, view point for Jacinto Mt. Colorado desert. 1159 Comment
  RSA651710  Ribes nevadense Diane M. Ramirez 1983-5-1 3 Riverside Mellor Ranch Road, 4 mi S of junction with CA Hwy 243, S of Banning. Near Peach Tree Spring stream at Oak Flat. Comment
  UC11635  Ribes nevadense H. M. Hall July, 1901 2423 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1524 Comment
  UC974961  Ribes roezlii P. A. Munz and I. M. Johnston 1922-5-19 5395 Riverside Keen Camp San Jacinto Mts. 1463 Comment
  UCR209336  Ribes roezlii Fred M. Roberts, Robt. L. Allen 2008-6-23 7055 Riverside Santa Ana Mountains, Santiago Peak, north slope, Main Divide Truck Trail, 0.4 km north-northeast of summit 1639 Comment
  UCR136195  Romneya coulteri A. C. Sanders 2004-6-20 28226 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd., hilltop above I-15, SW of main clay pits 378 Comment
  CAS-BOT-BC92170  Romneya coulteri var. coulteri L. R. Abrams 1913-7-16 s.n. Riverside Between Elsinore and Corona. Comment
  RSA748785  Rorippa palustris subsp. occidentalis Justin M. Wood, Jamie Miner 2009-4-2 464 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR207702  Rorippa palustris subsp. occidentalis Justin M. Wood, Jamie Miner 2009-4-2 464 Riverside SW Perris Basin, Temecula - Murrieta Creek, downstream of 1st Street Bridge 305 Comment
  SDSU13630  Rosa californica W. Miller, C. Mosse 1972-7-20 Riverside Comment
  UCR241491  Rubus ursinus Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 252 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  HSC86139  Rumex acetosella B. Freeman 1969-6-28 6906284 Riverside University of California James Reserve, East of stream nearest gate, along road Comment
  SD51945  Rumex californicus Reid Moran 1962-7-7 9861 Riverside By Strawberry Creek, 2 miles SW of Idyllwild, San Jacinto Mts. 1550 Comment
  UCSB14952  Rumex californicus Breedlove, Dennis 1961-8-5 Riverside along Fuller Mill Creek; 0.5 mile upstream from point where creek crosses Riverside Highway 1; San Jacinto Mountains 1645 Comment
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Nov 24 2014
  SD124772  Rumex obtusifolius Andy C. Sanders 1986-5-10 6498 Riverside Mouth of the Whitewater River, along the levee where the river crosses Lincoln St., 3 miles S of Mecca -70 Comment
  UCR40202  Rumex salicifolius Steve Boyd 1985-7-23 1015 Riverside Peninsular Range, De Luz Road, 8 mi west of Rancho California. Side canyon of Sandia Creek 305 Comment
  RSA502183  Rumex salicifolius var. mexicanus Steve Boyd, Tim S. Ross, Laurel Arsneth 1989-6-11 3709 Riverside Vail Lake area, sandy wash draining into Wilson Creek at E end of lake. Comment
  RSA627516  Rumex salicifolius var. salicifolius Scott D. White 1998-7-31 6930 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park; San Jacinto Mts. 1707 Comment
  UC64584  Rumex salicifolius var. salicifolius H. M. Hall 1901-7-1 Riverside vicinity Deer Springs; San Jacinto Mountains 2743 Comment
  SEINET269161  Rumex violascens Chet McGaugh 1996-4-26 Riverside Hemet 0.25 miles west of State Street between Esplande and Cottonwood. Comment
  RSA383651  Ruppia cirrhosa L. C. Wheeler 1931-11-26 374 Riverside Salton Sea, 2 miles SE Salton Bench Mark. -76 Comment
  RSA82186  Salazaria mexicana Emma Mundy 1921-3-22 4484 Riverside Andreas Canyon, near Palm Springs. Comment
  UCR17312  Salazaria mexicana Anna Mayers 1978-4-15 s.n. Riverside Sonoran (Colorado) Desert, 27 km off [S of Interstate] Hwy 10, Graham Pass Road, Chuckwalla Bench. Comment
  POM295747  Salix exigua Lyman D. Benson 1946-4-15 12047 Riverside Canyon on Twenty-nine Palms Road from Whitewater. 457 Comment
  SD229273  Salix exigua Dick Schwenkmeyer, Tony Harper - Collector 2013-5-8 894 Riverside Agua Bonita Spring, Palm Canyon, approx. 8 Mi. S. of Catherdral City 883 Comment
  UC494349  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-12 600 Riverside 4.8 km. n Arlington (on rd. to Pedley, 4 mi w of Riverside, e side of bridge over Santa Ana R., down embankment either side of hwy.) 240 Comment
  LA208659  Salix gooddingii Carl B. Wolf; 1932-4-28 3085 Riverside back of Colorado River, about 800 m from State Inspection Station, on way to Blythe Bridge 90.0 Comment
  UC914199  Salix laevigata Charles B. Fiker 1946-4 3358 Riverside road dip s. of Temecula bridge (Hwy. 395) Comment
  UCR140318  Salix laevigata A. C. Sanders, Guy Bruyea 2004-4-2 27408 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
  UCR39229  Salix laevigata George K. Helmkamp 1985-4-5 274 Riverside Sonoran (Colorado) Desert; Little San Bernardino Mtns., South of Morongo Valley. Big Morongo Canyon 4 mi downstream from the Big Morongo Reserve Kiosk 579 Comment
  RSA772842  Salix lasiolepis Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4721 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119. 604 Comment
  UCR3404  Salix lasiolepis John Minnich 1964-3-9 64-3-9- 2 Riverside Peninsular Range, City of Riverside. 'Two Trees Canyon' c. 0.25 mi. from end of Two Trees Road, near the east end of Blaine St. 366 Comment
  CAS-BOT-BC128445  Salix lasiolepis var. lasiolepis Marian L. Campbell 1921-3-19 35 Riverside Banning Comment
  UCR18403  Salix lutea var. watsonii A. C. Sanders 1978-5-20 997 Riverside San Jacinto Mtns, James Reserve, beside Indian Creek where road crosses 1646 Comment
  CAS-BOT-BC125731  Salix nigra Marcus E. Jones 1930-4-2 26030 Riverside Blythe Comment
  RSA125531  Salix scouleriana R. Weatherby 1949-6-6 647 Riverside Dark Canyon. San Jacinto Mtns. 1829 Comment
  CAS-BOT-BC126321  Salix sessilifolia Crawford; Johnston 1917-6-9 1244 Riverside Santa Ana River near Corona Comment
  CDA36193  Salsola paulsenii A. C. Sanders 2010-3-22 37522 Riverside Sonoran (Colorado) Desert; Chuckwalla Valley, 1.5 mi. SE of Sidewinder Well, south end of Palen Dry Lake, SW of Palen Mtns. Comment
  RSA0127855  Salsola tragus G. Rink 2013-3-22 11911 Riverside About twelve miles west of Blythe, along the power line for the proposed Quartzite solar power plant, NE of the power transfer station. 145 Comment
  POM230737  Saltugilia splendens I. W. Clokey, E. G. Anderson 1933-8-21 6827 Riverside Keen Camp P. O. [Post Office] Riverside 1350 Comment
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Oct 30 2011
  UCR112309  Salvia apiana A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23449 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
  CLARK-A1528-591  Salvia carduacea Charlotte Stocks 1962-5-3 Riverside Anza Comment
  UCR59499  Salvia carduacea Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3235 Riverside Peninsular Range, Vail Lake area, sandy valley at NE end of lake, north of Wilson Creek 488 Comment
  RSA0117835  Salvia columbariae Sarah J. J. De Groot, Thomas Stoughton 2016-4-19 7806 Riverside Santa Rosa Mountains: Along Dunn Road between Haystack and Asbestos Mountains, east of Potrero Spring, near head of Dead Indian Creek. Southwest of Palm Desert and north of Highway 74 and Alpine Village. 1235 Comment
  UCR120185  Salvia columbariae Mitch Provance 1998-3-7 170 Riverside Jurupa Mountains, 'Rattlesnake Mt.', c. 0.1 km west of peak 1602, c. 0.75 km south of limestone quarry situated at the N base of the mountain on 7th St. This site, technically, in the city of Riverside. 442 Comment
  UCR172764  Salvia columbariae Abby Sirulnik, Ian G. Gillespie 2000-5-14 41 Riverside Peninsular Ranges; Santa Ana Mtn. Foothills, Temescal Canyon. Indian Truck Road exit off of Interstate 15, c. 0.9 mi. S on De Palma Road 427 Comment
  UCSB5772  Salvia columbariae Graney, Don 1953-3-20 Riverside One half mile from White Water; up White Water Canyon Comment
  RSA314041  Salvia eremostachya Walter Wisura 1983-7-9 3920 Riverside 11 mi fr. jctn. with Hwy 111. along Hwy 74. Comment
  RSA82425  Salvia eremostachya F. W. Peirson 1933-4-13 10643 Riverside Deep Canyon to Idyllwild, Santa Rosa Mountains 1372 Comment
  RSA659478  Salvia greatae J. C. Roos 1958-3-29 s.n. Riverside Salt Creek Wash, 3 miles N of Coachella Canal on E base of Orocopia Mtns. 305 Comment
  UCLA70164  Salvia greatae H. M. Hall and L. A. Greata 1905-4-22 5848 Riverside near Dos Palmas; Colorado Desert Comment
  RSA434155  Salvia mellifera Jeannette B. Edge 1934-4-22 s.n. Riverside Jurupa Mountains, Mountain slope 549 Comment
  SD232707  Salvia mellifera Scott D. White 1995-4-5 2708 Riverside Western Riverside: Badlands: Base of Badlands slopes, off Redlands Bl. USGS Sunnymead 7I(c) quad. 640 Comment
  JEPS62763  Salvia mohavensis Marjorie Clary 1931-11-29 652 Riverside Eagle Mountains Comment
  POM13403  Salvia pachyphylla subsp. pachyphylla E. C. Jaeger 1922-8-20 1010 Riverside North slope of San Jacinto Mountain. 1829 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
  RSA180335  Sambucus mexicana E. W. Lathrop 1965-4-4 5626 Riverside 8 miles west of Murrieta-Tenaja Range. Comment
  UCR138914  Sambucus mexicana Julie A. Greene 1993-4-3 1083 Riverside San Jacinto Valley, San Jacinto Wildlife Area. Old agricultural field, east of dirt road 441 Comment
  UC1611575  Sanicula arguta Steve Boyd, Darin Banks 1994-4-5 8258 Riverside in vicinity of Oaks Flats e of Verdugo Potrero (San Mateo Canyon Wilderness Area of the Cleveland National Forest, Southern Santa Ana Mts); Southern Santa Ana Mts, Cleveland National Forest 762 Comment
  RSA359603  Sanicula bipinnatifida Steve Boyd 1986-3-9 1397 Riverside Temescal Canyon: Terrace escarpments between Indian Truck Trail and Horsethief Wash. 367 Comment
  UCR137715  Sanicula crassicaulis D. L. Banks 1997-3-29 1556 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
  UCR158321  Sanicula crassicaulis A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30064 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
  SDSU13888  Sanicula tuberosa Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2090 Riverside Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 671 Comment
  UCR42  Sarcostemma cynanchoides Frank C. Vasek 1955-5-21 204 Riverside San Jacinto Mtns, Cranston Ranger Station, San Jacinto River Canyon 579 Comment
  LA202878  Sarcostemma cynanchoides subsp. hartwegii Carl Epling; 1927-3-27 sn Riverside Thousand Palms Comment
  UCR123866  Sarcostemma cynanchoides subsp. hartwegii Steven R. Hill 2001-5-3 33651 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 1.0-1.5 mi SW of Calif. Hwy 111, Palm Springs.Boundary of Palm Springs Aerial Tramway property, at entrance gate 610 Comment
  JEPS27450  Sarcostemma hirtellum Dr. L. M. Newlon 1922-1 451 Riverside Palm Canyon of Mt. San Jacinto Comment
  UCR101564  Sarcostemma hirtellum Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  CAS-BOT-BC243462  Schismus barbatus L. R. Abrams 1941-4-23 13925 Riverside White Water wash, Palm Springs railroad station Comment
  OBI79207  Schismus barbatus A. C. Sanders, T. B. Salvato 2011-3-28 38813 Riverside Peninsular Range; Perrris-Aguanga Basin Region: Menifee Valley, between Sun City and Perris, from McLaughlin & Evans roads intersection east to I-215 Fwy (Romoland 7.5') Flat valley bottom, clay-loam soil; disturbed roadsides and field edges in agricultural area, with abandoned old fields near 215. 1425 Comment
  RSA0021563  Schismus barbatus Duncan S. Bell 2012-3-4 3134 Riverside Arica Mountains; along old railway line about 4.5 air miles south of the ghost town of Rice. 217 Comment
  RSA386262  Schismus barbatus Christopher Davidson 1973-4-1 1806 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  UCR20373  Schoenoplectus americanus John C. Roos, L. Roos 1952-6-10 5762 Riverside San Bernardino Valley Region, Fairmont Park in Riverside, edge of lake 259 Comment
  CAS-BOT-BC111015  Scirpus microcarpus Ivan Murray Johnston 1918-5-30 2015 Riverside Lee Lake Temescal Canon. 335 Comment
  CAS-BOT-BC111020  Scirpus microcarpus Scott D. White 1995-6-30 3418 Riverside Cole Creek, NW of Murrieta, upstream from Murrieta Ck. Confluence. 365 Comment
  RSA544386  Scrophularia californica subsp. floribunda Steve D. Boyd, Tim S. Ross 1991-6-14 6401 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  UCR23621  Scutellaria tuberosa John C. Roos 1950-4-15 4734 Riverside In the hills NE of the summit of Reche Canyon 546 Comment
  SD144094  Searsia lancea A. C. Sanders, P. MacKay, T. Thomas & G. Helmkamp 1997-2-8 19686 Riverside Colorado Desert/San Jacinto Mtns.: Palm Springs area, Murray Canyon off Palm Canyon. 244 Comment
  IRVC3583  Selaginella bigelovii R. H. Whittaker, W. A. Niering 1963-6-6 SJ 183 Riverside Bee Canyon; San Jacinto Ridge Road. San Jacinto Mountains 701 Comment