Search Results — 2000 specimen records retrieved (1894 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 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
  SD132532  Abies concolor F. C. Vasek 1976-7-4 760704 3 Riverside San Jacinto Mountains, Pine Cove 1830 Comment
  SD229020  Abies concolor Dick Schwenkmeyer 2012-8-27 798 Riverside 3.2 miles southeast of the intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1887 Comment
  SD229024  Abies concolor Dick Schwenkmeyer 2012-8-27 806 Riverside 2.6 mi. east of the intersection of highway 243 and Fuller's Mill road, 7.5 mi. north of Idyllwild. 2034 Comment
  UCR63918  Abies concolor Frank C. Vasek 1976-7-4 760704- 01 Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1829 Comment
  CAS-BOT-BC229327  Abronia villosa Javier Penalosa 1963-4-10 2774 Riverside Deep Canyon, 3mi. south of Palm Desert 213 Comment
  CAS-BOT-BC229328  Abronia villosa Geo. B. Grant 1901-8-5 s.n. Riverside San Jacinto Comment
  CAS-BOT-BC229335  Abronia villosa Lewis S. Rose 1966-12-11 66098 Riverside Palm Springs 152 Comment
  CAS-BOT-BC401159  Abronia villosa Sarah J. De Groot; April Garbat 2013-3-28 6995 Riverside Along Highway 177 at sandy area just south of the Desert Lily sanctuary, Chuckwalla Valley, just south of the Coxcomb Mountains 152 Comment
  CLARK-A1528-3259  Abronia villosa John C. Roos 1937-4-18 1364 Riverside Cabazon Comment
  RSA652381  Abronia villosa C. J. Humphrey, Herbert Humphrey 1936-6-8 76 Riverside Along roadside in desert 20 miles west of Indio Comment
  RSA2594  Abronia villosa var. aurita J. T. Howell 1928-7-9 1058 Riverside Temescal Canyon, 6 miles south of Glen Ivy 335 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
  UCR238088  Abronia villosa var. aurita Mark A. Elvin, Julie M. Vanderwier 2002-5-16 2052 Riverside Peninsular Range; Agua Tibia Mtns., Pechanga Indian Reservation, nameless drainage/wash south of Pala Rd. 335 Comment
  RSA782338  Abronia villosa var. villosa Jim Andre, G. L. Clifton 2011-2-22 17467 Riverside Coachella Valley; just south of I-10 at Amtrak train station parking, just west of N Indian Canyon Drive 186 Comment
  RSA796478  Acacia greggii Duncan S. Bell 2009-4-18 227 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  UC1128721  Acacia greggii H. S. Yates 1936-4-7 5438 Riverside Willlis Palm 243 Comment
  UCR201843  Acacia redolens Justin M. Wood 2008-10-29 211 Riverside SW Perris Basin, Temecula - Murrieta Creek, downstream of First Street Bridge 320 Comment
  RSA221045  Acer macrophyllum E. W. Lathrop 1968-5-8 6427 Riverside 3 miles SW of Corona, Hagador Canyon, Cleveland Nat'l Forest, Trabuco District. 274 Comment
  POM11903  Acer negundo subsp. californicum Philip A. Munz 1922-6-24 5804 Riverside Hemet Valley, San Jacinto Mountains, occasional along upper parts of Pipe Creek 1585 Comment
Read comments
May 28 2011
  RSA757786  Achnatherum coronatum LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4301 Riverside Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon., Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  POM365987  Achnatherum hymenoides Bonnie C. Templeton 1931-4-9 s.n. Riverside N of Palm Springs Comment
  UCD50442  Achnatherum hymenoides F. M. Reed 1907-4-1 2916 Riverside Palm Springs. Comment
Read comments
May 1 2011
  JOTR16771  Achnatherum speciosum Vanderspek & Youse 1964-4-19 s.n. Riverside Joshua Tree National Park. WILSON CANYON Comment
  CAS-BOT-BC384728  Achyronychia cooperi John H. Thomas 1957-3-30 6556 Riverside 8.1 miles east of Cactus City, about 20 miles east of Coachella. Colorado Desert 426 Comment
  RSA27865  Achyronychia cooperi C. L. Hitchcock 1940-3-29 5847 Riverside 12 miles east of Indio. Comment
  SEINET7048023  Achyronychia cooperi Steven R. Hill, Kate Kramer 2001-4-27 33492 Riverside North side of Route I-10, west side of Coachella Canal, about 0.1-0.2 mile north of interstate highway, 3 miles east of Indio. Elevation about 31 feet. Comment
  UCD103964  Acmispon argophyllus Collector unknown Date unknown s.n. Riverside location unknown. Comment
  SBBG67449  Acmispon nevadensis var. davidsonii Mrs. J. D. Wright 1929-6-25 Riverside San Jacinto Mtns [probably near Idyllwild] Comment
  SD258921  Acmispon rigidus Sarah J. De Groot, Cheryl Sevilla 2016-3-15 7635 Riverside Santa Rosa Mountains; Along Dunn Road betyween Haystack and Asbestos Mountans; SW of Palm Desert, NE of Potrero Spring, between Palm and Deep Canyons 1231 Comment
  JOTR35323  Acmispon strigosus Harding, Mitzi, Mark Wheeler 2012-2-28 91 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; eastern slopes of southern tip of range (Stop 1) 177 Comment
  RSA718578  Adenophyllum porophylloides Michael Honer, L. Hulse 2004-4-3 1897 Riverside Nameless canyon appx. 1 mi. W of Pushawalla Cyn., leading up to MWD aqueduct. 488 Comment
  CDA22503  Adenostoma fasciculatum Mike Lahti 2008-7-16 PDR# 1473243 Riverside Hemet, 41801 East Benton Rd. 0 Comment
  SD232791  Adenostoma sparsifolium Scott D. White 1996-8-1 4456 Riverside Twin Pines Area: Just N of Twin Pines Rd, ca. 1/2 air mile west of Twin Pines Ranch. 1100 Comment
  UCD112517  Adenostoma sparsifolium R. N. Raynor 1941-7-28 s.n. Riverside Highway 71 between Temecula and Aguanga. Comment
  RSA221017  Agoseris grandiflora var. grandiflora E. W. Lathrop 1966-5-26 6345 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  SDSU6852  Agoseris retrorsa T. Bruhns 1965-5-22 111 Riverside Slope around girl's dormitory of Desert Sun School in Idyllwild. Comment
  RSA740248  Agrostis stolonifera Scott D. White, Justin M. Wood 2008-7-9 12405 Riverside Johnson Meadow 1415 Comment
  UCR97757  Alchemilla occidentalis A. C. Sanders, G. Helmkamp 1997-3-15 19956 Riverside Lake Skinner area: NE of Skinner Lake in a tributary to Rawson Canyon, along the dirt road 503 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
  UCR279591  Aliciella latifolia A. C. Sanders, Jim Malusa 2017-3-28 43158 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
  RSA780277  Allionia incarnata Stephanie Rockwood, Christi Gabriel 2011-10-12 102 Riverside Unnamed Road heading toward Arica Mountains. Off Blythe/Rice Road. Base of Aricas. 334 Comment
  RSA793616  Allionia incarnata Duncan S. Bell, Aaron Sedgwick 2012-9-13 4197 Riverside Hayfields Lake; eastern section of dry lake, approximately 3.75 air miles southeast of Hayfields pumping plant. 420 Comment
  UC665904  Allionia incarnata Ira L. Wiggins 1941-3-27 9682 Riverside s end of Coxcomb Mountains 8 mi ne of Desert Center; Coxcomb Mountains Comment
  UCR42489  Allionia incarnata P. J. Leary 1974-10-26 516 Riverside Mojave Desert, N of Mary Peak, Hexie Mountains, Joshua Tree National Monument [now Park] 610 Comment
  CAS-BOT-BC131981  Allium haematochiton H. M. Hall 1901-6-1 2096 Riverside In the vicinity of Strawberry Valley 1371 Comment
  CAS-BOT-BC131991  Allium haematochiton James R. Shevock 1975-4-28 4265 Riverside Along the road between Mesa de Burro and Mesa de Colorado, Santa Rosa Plateau Comment
  RSA574748  Allium munzii Steve Boyd 1982-4-20 s.n. Riverside Gavilan Hills region, smal remnant of the Gavilan Plateau on ridge east of Estelle Mountain, south of head of Dawson Canyon. 671 Comment
  RSA582820  Allium munzii Mark A. Elvin 1995-6-9 48 Riverside Santa Ana Mountains: Elsinore Peak, Onion Hill; 10% W, N, E slope (around the base of hill) Comment
  UCR16034  Allium peninsulare Steve Kulju 1974-4-27 s.n. Riverside Box Springs Mtns. Dirt road to the radio tower, 4 mi from Pigeon Pass Road. 762 Comment
  UC3117  Allium praecox Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  RSA719474  Allophyllum divaricatum R. E. Riefner Jr. 2005-7-31 05 -573 Riverside Peninsular Ranges Province, Agua Tibia Moutains, SE of Temecula, Cleveland National Forest, Agua Tibia Wilderness, NW slope of Agua Tibia Mountain, ca. 1.5 mi WNW of Woodchuck Rd. 665 Comment
  RSA271885  Allophyllum glutinosum C. W. Tilforth, W. Wisura 1978-7-25 1650 Riverside Along Murrieta- De Luz Rd., west of Murrieta. Comment
  UCR156098  Allophyllum glutinosum T. B. Salvato, Kent Beaman 2005-5-16 841 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  UCR65300  Allophyllum glutinosum Steve Boyd, T. S. Ross, K. A. Boyd 1989-6-24 3747 Riverside Peninsular Range, Vail Lake area, along road, near summit of 'Little' Oak Mtn. 628 Comment
  RSA296128  Alnus rhombifolia B. A. Prigge 1980-8-11 3918 Riverside Whitewash Canyon: 3 miles N of the trout farm. 957 Comment
  JOTR35022  Amaranthus albus La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3120 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road, near Mission Well Comment
  UCR272486  Amaranthus deflexus Mitch Provance 2013-6-16 613- 18 Riverside Santa Ana River Valley, City of Riverside, Arlanza neighborhood, Foothill Elementary School on Wells Avenue, about 0.4 mi W of Van Buren 226 Comment
  CDA9953  Ambrosia acanthicarpa R. D. Goeden, D. W. Ricker 1969-7-31 s.n. Riverside Peninsular Range; San Jacinto Mountains; Lake Hemet, along Highway 74 south of inlet. Comment
  UC896700  Ambrosia acanthicarpa Lewis S. Rose 1935-12-21 35679 Riverside Cabazon; Colorado Desert 609 Comment
  UCR176692  Ambrosia acanthicarpa R. D. Goeden, Don W. Ricker 1969-7-31 s.n. Riverside Peninsular Range; San Jacinto Mtns., Lake Hemet, along Hwy 74 south of inlet 1326 Comment
  UCR239599  Ambrosia acanthicarpa O. F. Clarke 2004-5-26 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River near the old Salt Lake Railroad bridge 215 Comment
  RSA675683  Ambrosia confertiflora Scott D. White 2001-6-20 8595 Riverside Sun City Area: Just east of Goetz Rd. and south of Ethanac Rd., ca. 1 1/2-2 mi west of I-215 Freeway. 442 Comment
  CAS-BOT-BC22602  Ambrosia dumosa S. Smith-White; A. Johnson 1963-4-12 63 -329 Riverside Joshua Tree National Monument: about 3 mi S of Entrance to Cottonwood Springs Campground Comment
  JEPS40963  Ambrosia dumosa W. L. Jepson 1928-4-25 12618 Riverside dry hills, (at w edge of Eagle Mountains) Cottonwood Springs; Colorado Desert, Joshua Tree National Monumnet, Eagle Mounta 731 Comment
Read comments
Oct 9 2010
  POM308538  Ambrosia dumosa Henry J. Ramsey, Henry J. Ramsey 1939-11-28 3157 Riverside Palm Springs Comment
  POM6766  Ambrosia dumosa Philip A. Munz 1919-5-7 2733 Riverside Palm Springs 198 Comment
  RSA33503  Ambrosia dumosa N. C. Cooper 1944-4-8 1063 Riverside Andreas Canyon. 305 Comment
  RSA416965  Ambrosia dumosa Christopher Davidson 1979-4-4 7687 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  RSA796018  Ambrosia dumosa Duncan S. Bell 2009-4-18 245 Riverside Arica Mountains; northeast of range, approximately 2.25 air miles southwest of the ghost town of Rice. 224 Comment
  UCR275449  Ambrosia dumosa Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-3-31 946 Riverside Sonoran (Colorado) Desert, wash crossing Midland-Rice Road, near saddle between Little Maria Mountains and Big Maria Mountains 320 Comment
  UCR60795  Ambrosia dumosa Steve Boyd, O. Mistretta 1986-3-13 1420 Riverside Sonoran (Colorado) Desert, Palen Mtns: NE of Desert Center, junction of Parker Dam Road and 'Palen Road' (road going through pass between Palen and Granite Ranges) 244 Comment
  POM318866  Ambrosia psilostachya Patricia Wilder 1970-10-30 4835 Riverside Road on south side of Prado Flood Control Basin on east side of Prado Dam. About 1/2 mile east of dam tender's residence. Santa Ana River Drainage Area. East of Chino Hills. 152 Comment
  RSA575931  Ambrosia psilostachya Steve Boyd 1994-10-14 8392 Riverside Southern Santa Ana Mts., San Mateo Canyon Wilderness Area of the Cleveland Nat'l Forest. San Mateo Canyon, sandy benches in canyon bottoms at the confluence with Bluewater Canyon. 329 Comment
  UCR40411  Ambrosia psilostachya Steve Boyd 1985-8-7 1104 Riverside Santa Ana Mtns., Santa Rosa Plateau, Santa Rosa Plateau, NW base of Redonda Mesa on Tenaja Road, 0.8 mi east of the junction w/ 8S01 & 8S02 671 Comment
  UC61554  Ambrosia salsola var. salsola Miss Mary McKibben 1904-4-1 Riverside Mecca Colorado Desert -60 Comment
  RSA522282  Amelanchier pallida Steve D. Boyd, C. Boyd, K. A. Boyd 1989-5-13 3592 Riverside Upper Bautista Cyn. just below turnoff to Tripp Flat Ranger Station, foothills of San Jacinto Mtns. Comment
  UCR189542  Ammannia coccinea Fred M. Roberts, S. Leatherman 2007-9-19 6579 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  SD146229  Ammannia robusta A. C. Sanders, D. Bramlet et al 1999-10-15 23176 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi SE of Jackrabbit Trail on Gilman Springs Rd. 1.4 mi. S of Eden Hot Spr. Comment
  RSA160512  Amorpha californica J. D. Olmsted 1959-4-30 508 Riverside Near county line north of Hidden Ranch 100 yards NW of Rattlesnake rock on Black Star Canyon Road; 5 miles east of Irvine Reservoir. 732 Comment
  RSA192149  Amorpha fruticosa E. W. Lathrop 1966-5-8 6269 Riverside 5 miles west of Murrieta. Comment
  SD119926  Amorpha fruticosa Louis B. Ziegler 1967-9-6 237 Riverside San Jacinto Mountains, Quinn Flats region, along dry stream beds 1370 Comment
  UC1595566  Amsinckia intermedia W. Wisura, A. King, L. Newcomb 1992-4-10 4675 Riverside Stubbs Canyon n of West Palm Springs; Gorgonio Pass Comment
Read comments
Apr 17 2011
  UCR20733  Amsinckia intermedia A. C. Sanders, Steve Boyd 1980-5-2 1398 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR279383  Amsinckia intermedia A. C. Sanders, Jim Malusa 2017-3-24 42964 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  SEINET244786  Amsinckia menziesii var. menziesii A. C. Sanders, Mark Elvin; Julie M. Vanderwier 2002-4-9 24945 Riverside The Badlands; hills and canyons west of Laborde Canyon 1 mi NE of Eden Hot Springs, SW of Beaumont 610 Comment
  UCR89654  Amsonia tomentosa Bern Schwenn 1994-5-14 s.n. Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument, north side of the Eagle Mountains, site of Conejo Well, along old road/trail c. 100 yards north of well site 1021 Comment
  UCR90338  Anagallis arvensis Scott D. White 1995-6-29 3411 Riverside Santa Ana Mtns,, Cole Creek, NW of Murrieta, just upstream from Murrieta Ck. confluence 366 Comment
  CAS-BOT-BC272870  Ancistrocarphus filagineus Steve Boyd 1986-5-1 1791 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow Comment
  HSC85464  Ancistrocarphus filagineus Steve Boyd 1986-4-2 1588 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  SD123833  Andropogon glomeratus var. scabriglumis Robert F. Thorne, Kay L. Wright, Richard K. Benjamin 1982-10-8 55407 Riverside San Bernardino Mountains, along roadside at seep, about 3.2 miles north of Whitewater Post Office. 594 Comment
  CAS-BOT-BC226955  Anemopsis californica A. C. Sanders; John F. Green 2012-5-27 40213 Riverside Peninsular Range; Perris-Aguanga Basin Region: eastern edge of Gavilan Hills, powerline route west of San Jacinto River and east of Hwy 74, 5.6 km SE of Perris 441 Comment
  SEINET8562180  Anemopsis californica Robert F. Thorne, E. Lathrop 1969-6-6 39340 Riverside Santa Rosa Plateau: Rancho California. 610 Comment
  RSA278295  Angelica tomentosa John F. Emmel 1976-6-23 550 Riverside Bay Tree Flat Campground, NW of Lake Fulmor, San Jacinto Mountains. 1601 Comment
  JOTR35480  Anisocoma acaulis La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3168 Riverside Joshua Tree National Park. Little San Bernardino Mtns, below Lower Covington Flats, W of Smithwater Canyon,(Biodiversity Hunt stop1) 1341 Comment
  RSA667099  Anredera cordifolia O. F. Clarke 1979-10-7 s.n. Riverside Riverside: abandoned orange orchard north of 1012 Spruce St. 305 Comment
  UC218084  Antennaria rosea P. A. Munz 1922-9-7 6403 Riverside Tamarack Valley San Jacinto Mts., Tamarack Valley 2804 Comment
  SD144071  Anthemis cotula Scott D. White 1997-5-25 5242 B Riverside Perris Basin, Winchester area: roadside of Simpson Ave. less than 1 mile W of intersection with Winchester Rd. 445 Comment
  RSA192075  Antirrhinum coulterianum E. W. Lathrop 1966-5-25 6340 Riverside 9 miles NW of Murrieta, Los Alamos Ranch Comment
  SBBG117123  Antirrhinum coulterianum J. Chandler 2003-6-24 Riverside across from 42525 Wildwood Lane, Aguanga Comment
  UCR174177  Antirrhinum coulterianum A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32596 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UCR22013  Antirrhinum coulterianum Steve Boyd 1980-5-21 294 Riverside Gavilan Hills, Harford Springs County Park, on the NW corner of the Gavilan plateau. Comment
  UCR90347  Antirrhinum coulterianum Scott D. White 1995-6-30 3435 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  JEPS5312  Antirrhinum filipes S. B. Parish 1920-3-26 20025 Riverside Indian Wells; Colorado Desert, Coachella Valley Comment
  POM98994  Antirrhinum filipes E. C. Jaeger 1926-3-24 s.n. Riverside Eagle Mts, eastern Riverside Co. 610 Comment
  SD262335  Antirrhinum nuttallianum Mitch Provance, Matt K. Beyers, John Hazlett, Douglas Gordon-Blackwood 2017-6-8 617 9 Riverside Temescal Valley: Indian Wash, SW of I-15, S side of De Palma Rd., about 0.2 mi WNW of inter. with Glen Eden Rd (Alberhill 7.5'Q) 366 Comment
  POM354918  Antirrhinum nuttallianum subsp. nuttallianum Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  UCR267164  Apiastrum angustifolium Mitch Provance, Matt Amalong 2015-3-24 315- 13 Riverside Temecula/Murrieta Region, Murrieta Hot Springs, SW base of unnamed hill 0.6 miles W of Skunk Hollow, N side of Murrieta Hot Springs Rd at Chandler Dr., S of the lower watertank 406 Comment
  UC1608306  Apocynum cannabinum Steve Boyd, Tim Ross, and Dave Bramlet 1993-5-12 7327 Riverside San Mateo Canyon from confluence with Los Alamos Canyon to confluence with Tenaja Canyon; S. Santa Ana Mts., San Mateo Canyon Wilderness Area 365 Comment
  UCR12548  Aptenia cordifolia Eric Trubschenck 1972-5-8 2 Riverside NE corner of Park and 7th Streets, City of Riverside 272 Comment
  UC853788  Aquilegia formosa C. Epling and Wm. Robison 1935-6-30 Riverside between Pine Flat Camp and Fuller's Mill Mt. San Jacinto Comment
  RSA603885  Arabis perennans L. Haines, L. C. Erickson 1937-4-10 s.n Riverside Palms to Pines Hwy near road to Shumway. Comment
Read comments
Dec 17 2011
  UCR54248  Arabis pulchra David Charlton 1988-5-21 1930 Riverside San Jacinto Mtns., Thomas Mtn Rd, west of Garner Valley and south of Lake Hemet on Hwy 74 1829 Comment
  UCR90401  Arabis sparsiflora var. californica Steve Boyd, D. L. Banks 1995-3-30 8405 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
  CAS-BOT-BC409997  Arceuthobium campylopodum L. Helmkamp; G. Helmkamp 1999-11-16 5 -1 Riverside San Jacinto Mountains, at the W end of Garner Valley, 0.5 miles E of CA-74 on Apple Canyon Road, just NE of Lake Hemet 1341 Comment
  CAS-BOT-BC409998  Arceuthobium campylopodum Scott D. White 1996-8-1 4451 Riverside Idyllwild Area: N of ISOMATA along USFS Rd 5S24.1 1645 Comment
  SEINET3239809  Arceuthobium campylopodum R. L. Mathiasen 2009-1 2009 -69 Riverside Across street from Idylwild Ranger Station, Idylwild, CA. 1700 Comment
  RSA629452  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16811 Riverside Rd. to Thomas Mtn. (5S15), 9.5 km north of Toolbox Spring. 1640 Comment
  RSA16509  Arctostaphylos glauca Percy C. Everett 1935-6-17 7149 Riverside Santa Ana Mts. Coldwater Canyon trail to Santiago Peak. 1 mile above Glen Ivy resort. 549 Comment
  RSA631742  Arctostaphylos glauca Jon E. Keeley 1992-7-16 16509 Riverside Barranca Road, west of De Portola Road, east side of Black Mountain, east of Lake Skinner. 725 Comment
  RSA631801  Arctostaphylos glauca Jon E. Keeley 1992-6-12 15531 Riverside Road to Elsinore Peak, 1.5 km south of Highway 74. 850 Comment
  RSA631819  Arctostaphylos glauca Jon E. Keeley 1976-9-7 6028 Riverside About 8 km west of Lake Elsinore. 660 Comment
  RSA631841  Arctostaphylos glauca Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20170 Riverside Truck trail on north-face of Santa Rosa Mountain, ca. 5 km south of Pinyon Pines, Santa Rosa Mountains. 1450 Comment
  RSA633553  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21795 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633688  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16666 Riverside Road to Santa Rosa Mountain (7S02), 8.7 km south of Highway 74. 1935 Comment
  RSA633705  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16679 Riverside Road to Santa Rosa Mountain (7S02), 9.3 km south of Highway 74. 1990 Comment
  RSA633738  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20107 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
  RSA635307  Arctostaphylos patula Jon E. Keeley, Rx Rothrock 1992-11-11 22537 Riverside Saddle Junction, ca. 2 km northeast of Humber Park, Idyllwild, San Jacinto Mtns. 2400 Comment
  CAS-BOT-BC44368  Arctostaphylos pringlei subsp. drupacea Vernon Bailey 1907-8-5 1199 Riverside Idyllwild, San Jacinto Mts. 1371 Comment
  CAS-BOT-BC44369  Arctostaphylos pringlei subsp. drupacea Scott D. White 1996-8-1 4426 Riverside Idyllwild area: Hwy 243 at Deer Springs trailhead and adjacent area. 1828 Comment
  CAS-BOT-BC44372  Arctostaphylos pringlei subsp. drupacea Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild Comment
  POM367418  Arctostaphylos pringlei subsp. drupacea Joseph A. Ewan 1929-6-16 3586 Riverside Lily Creek Canyon above Idyllwild. 1677 Comment
  RSA635642  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-17 16725 Riverside Hwy 74, 4.3 km west of road (7S02) to Santa Rosa Mtn. 1470 Comment
  UC527225  Arctostaphylos pringlei subsp. drupacea C. B. Wolf 1931-5-11 1948 Riverside ridges near Pipe Creek (above Hemet Valley); San Jacinto Mts. 1676 Comment
Read comments
Mar 24 2011
  UCD50808  Arctostaphylos pringlei var. drupacea C. B. Wolf 1932-8-4 3922 Riverside Strawberry Valley, one and one-half miles from Idyllwild on road to Banning; San Jacinto Mts. 1706 Comment
  LA42245  Arctostaphylos pungens W. B. Welch; 1928-5-5 sn Riverside San Jacinto Mountains, Idyllwild Comment
  POM367450  Arctostaphylos pungens Albert J. Perkins 1916-9-14 s.n. Riverside Idlewild Comment
  SEINET11987225  Arctostaphylos pungens W. Knight, Knight, I. 1981-1 3947 Riverside Tilden Botanic Garden, Berkeley, orig. from Taquitz Valley at base of Mt. San Jacinto Comment
  RSA635993  Arctostaphylos rainbowensis Jon E. Keeley 1992-9-26 21611 Riverside W of Hwy 15, 1.5 km S of Temecula. 430 Comment
  SD185195  Arctostaphylos rainbowensis S. J. Myers 1993-1-22 Riverside Santa Rosa Plateau, southwest of Mesa de Colorado, Carancho Road at Tortuga Rd. 366 Comment
  SDSU17430  Arctostaphylos rainbowensis C. Matt Guilliams 2007-8-2 396 Riverside Santa Margarita Ecological Reserve, east of 'Highlands Trail' on mesa top near weather station. Among boulders, exposed, 0 slope. 639 Comment
  UC852373  Arenaria macradenia var. macradenia P. A. Munz 1922-6-23 5789 Riverside 2 mi below Kenworthy; San Jacinto Mts., Hemet Valley 1371 Comment
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Mar 25 2011
  POM13026  Argemone munita subsp. munita P. A. Munz 1922-4-13 4925 Riverside Hayfields' Chuckwalla Valley 152 Comment
  RSA434319  Argemone munita subsp. rotundata M. B. Dunkle 1933-5-6 3420 Riverside Dry Morongo Creek. Comment
  RSA0119889  Argyrochosma jonesii Duncan S. Bell, Thomas Stoughton 2016-4-12 9220 Riverside Santa Rosa Mountains; eastern side of Martinez Mountain; in a side canyon off of Martinez Canyon, approximately 3.5 air miles southwest of the junction of Agua Alta Canyon and Martinez Canyon. 861 Comment
  CAS-BOT-BC500430  Aristida adscensionis A. C. Sanders; Jim Malusa 2015-9-10 41849 Riverside Sonoran (Colorado) Desert: Bradshaw Trail, 0.85 mi SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mts Aerial Gunnery Range 480 Comment
  JOTR35938  Aristida adscensionis De Groot, Sarah J., Evan Meyer and Abby Hird 2013-3-23 6886 Riverside Joshua Tree National Park. north and northwest part of Lost Palms Oasis 960 Comment
  LA9309  Aristida adscensionis Louis C. Wheeler; 1931-11-26 373 Riverside Salton Bench Mark -15 Comment
  UCR167448  Aristida adscensionis 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
  UCR264232  Aristida adscensionis A. C. Sanders, Jim Malusa 2015-9-10 41859 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range 480 Comment
  UCR275540  Aristida adscensionis D. E. Bramlet 2010-3-1 4455 Riverside Sonoran (Colorado) Desert, West Berdoo Canyon, Little San Bernardino Mtns., c. 6 air miles north of Indio 366 Comment
  UC126632  Aristida californica var. californica H. M. Hall 1905-5-1 5963 Riverside canyons along Colorado River; Colorado Desert Comment
  SEINET239055  Aristida divaricata A. C. Sanders, S. D. Boyd; Mitch Provance J. Ross 1998-10-25 22284 Riverside San Jacinto Mtns.: Pine Meadow along Hwy 74 in Garner Valley (eastern) 1 mile. NW of Hwy 371 junction to Anza (Butterfl 1441 Comment
  CLARK-A1528-4482  Aristida purpurea John C. Roos 1965-8-15 Riverside San Jacinto Valley Comment
  SEINET1906699  Aristida purpurea A. C. Sanders, G. Helmkamp, P. MAcKay 1995-1 16181 Riverside coachella Valley/ San Jacinto Mtns. Foothills: Chino Canyon near the Palm Springs tram station. 792 Comment
  UCD56556  Aristida purpurea var. nealleyi A. A. Beetle 1946-6-10 4406 Riverside Near Palm Springs. Comment
  UCR117105  Aristida ternipes var. gentilis A. C. Sanders, T. B. Salvato 2001-5-16 24301 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  RSA725813  Artemisia annua Eula F. Moore 1996-10-1 s.n. Riverside Riverside, 4291 Alta Vista Dr. 259 Comment
  SD137913  Artemisia californica Darin L. Banks, Steve Boyd 1995-10-17 766 Riverside Northwest Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; along lower Arroyo Seco. 515 Comment
  UCR128236  Artemisia californica A. C. Sanders, Kelly Volansky 2003-10-16 27351 Riverside Moreno Valley, lower Pigeon Pass Valley, NE corner of intersection of Old Lake Dr. and Pigeon Pass Rd. 534 Comment
  CAS-BOT-BC90574  Artemisia dracunculus Philip A. Munz 1946-10-19 11566 Riverside Coahuila 1097 Comment
  SD229063  Artemisia dracunculus Dick Schwenkmeyer 2012-9-20 837 Riverside Taquitz Valley Camp, 2.5 mi. east (via trail) of Humber Park, Idyllwild. 2502 Comment
  UCR116674  Artemisia dracunculus A. C. Sanders, Carolyn Washburn 2001-5-10 24238 Riverside Perris-Aguanga Basin, 1 mi. south of Winchester on the east side of Hwy 79 (Winchester Rd.) just south of Patton Ave. 488 Comment
  UCR41334  Artemisia dracunculus N. M. Fellows 1984-11-12 22 Riverside San Jacinto Mtns., Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mtn. 489 Comment
  RSA774721  Artemisia ludoviciana subsp. albula Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4454 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
  POM9852  Artemisia ludoviciana subsp. albula E. C. Jaeger 1921-12-7 s.n. Riverside Tahquitz Canyon, Palm Springs. 244 Comment
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Nov 5 2011
  UC129480  Artemisia ludoviciana subsp. incompta H. M. Hall 1907-7-2 8006 Riverside vicinity of Riverside; Santa Ana River bottoms 274 Comment
  UC1782173  Artemisia vulgaris O. F. Clarke 2000-12-9 Riverside O. F. Clarke residence, 266 Frost Court 360 Comment
  RSA496471  Asclepias californica Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-31 3086 Riverside Vail Lake area, S of Hwy 79, Kolb Creek drainage, W of Woodchuck Rd. 488 Comment
  RSA784197  Asclepias eriocarpa J. D. Olmsted 1959-8-18 805 Riverside Desert Sun School near Idyllwild; M[iddle] Fork San Jacinto River. 1646 Comment
  UCR14773  Asclepias eriocarpa A. C. Sanders, O. F. Clarke, Dan Vossler 1975-7-23 604 Riverside Santa Ana Mtns., Santa Rosa Plateau, Mesa west of Murrieta, along Tenaja Rd. about 2 mi west of the eastern escarpment of the Santa Rosa Plateau. Probably collected very near Bench Mark 1847 ft. shown on the topo map 579 Comment
  POM319657  Asclepias fascicularis Patricia Wilder 1970-10-15 4807 Riverside Prado Dam in Prado Flood Control Basin. East of Chino Hills. Santa Ana River Drainage Area. 122 Comment
  RSA401110  Asclepias subulata M. B. Dunkle 1934-3-18 3859 Riverside Shavers Valley. Mecca Hills. W. of Shaver's Well. 91 Comment
  SEINET10779846  Asclepias subulata Marcus E. Jones 1906-4-30 Jones s.n. 1906 Riverside Indio Comment
  CAS-BOT-BC334249  Asparagus asparagoides A. C. Sanders 2010-5-29 38428 Riverside Riverside, yard at 5081 Magnolia Ave., at corner of Chapman Place. 258 Comment
  POM11411  Aspidotis californica F. M. Reed 1908-2-23 2236 Riverside Jurupa Hills, near Riverside Comment
  SEINET3004985  Astragalus acutirostris G. Rink, M. Baker 2011-4-1 10412 Riverside Northwest of Blythe, east of the McCoy Mtns, vegetated pockets in desert pavement 170 Comment
  UCR198167  Astragalus aridus Michael Honer, Dave Silverman 2005-3-18 2101 Riverside Sonoran (Colorado) Desert, Palen Valley, c. 3 mi due east of Desert Center Airport 134 Comment
  JOTR30251  Astragalus bernardinus Leary, C. and Leary, Pat 1979-5-5 2997 Riverside Joshua Tree National Park. Above Lower Covington Flat, Joshua Tree National Monument, T2S R7E sec 6 1676 Comment
  CAS-BOT-BC178629  Astragalus coccineus Ivan Johnston 1917-4-4 1063 Riverside Bottom of sandy draw, Palm Canyon - Colorado Desert 640 Comment
  CAS-BOT-BC182586  Astragalus didymocarpus var. dispermus Geo. B. Grant 1906-4-20 6711 Riverside Palm Springs Comment
  LA204920  Astragalus didymocarpus var. dispermus C. B. Wolf; 1937-4-6 8430 Riverside Coachella Valley, 2 mi. NE of Edom 30 Comment
  LA204924  Astragalus didymocarpus var. obispoensis L. Haines; L. Erickson 1937-4-9 sn Riverside 1 mi. W of San Jacinto Comment
  CAS-BOT-BC178434  Astragalus douglasii var. parishii Peter H. Raven; Sidney R. Snow 1956-7-6 9662 Riverside On deserty roadbanks, 1.5 miles from hemet Road on roat to Aquanga, San Jacinto Mts. Comment
  HSC85262  Astragalus gambelianus Steve Boyd 1986-4-22 1754 Riverside Temescal Canyon: Benches of Indian wash just S of Hwy. 15 Comment
  SEINET3409359  Astragalus insularis var. harwoodii G. Rink 2013-3-17 11855 Riverside About five miles west of Blythe, on the south side of the road south of the Blythe power plant 120 Comment
  LA204982  Astragalus lentiginosus var. coachellae Carl Epling; 1927-3-27 sn Riverside Thousand Palms Comment
  UCR24506  Astragalus lentiginosus var. coachellae L. F. LaPre 1981-4-14 s.n. Riverside Coachella Valley, Palm Desert; 2 mi north of junction of Monterey Ave. & Country Club Dr. Comment
  UCR85277  Astragalus lentiginosus var. fremontii Bern Schwenn 1991-5-21 s.n. Riverside Southern Mojave / Colorado Desert, Joshua Tree National Monument [now J.T.N. Park], Lost Horse Valley, east of Ryan Campground along California Riding and Hiking Trail. 1329 Comment
  SEINET2060082 Image available Astragalus lentiginosus var. variabilis P. Leary 1975-2-16 934 Riverside S of Pinto Mountain, Joshua Tree National Monument. 518 Comment
  SEINET6744644 Image available Astragalus oocarpus Marcus E. Jones 1882-1 3166 Riverside San Jacinto, CA Comment
  CAS-BOT-BC192824  Astragalus pomonensis K. Watkins; E. McClintock 1937-4-9 s.n. Riverside Pasture of 1 mi. West of San Jacinto Comment
  UC81481  Astragalus pomonensis T. S. Brandegee 1902-5-14 Riverside Banning Comment
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Mar 13 2011
  SBBG67409  Astragalus preussii var. laxiflorus M. N. Ackley 1928-4-4 565 Riverside Coral Reef Ranch, Coachella Valley Comment
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Mar 16 2012
  CLARK-A1528-1152  Astragalus tricarinatus John C. Roos 1973-3-31 Riverside Whitewater 457 Comment
  CLARK-A1528-2760  Astragalus tricarinatus John C. Roos 1949-4-2 4131 Riverside Whitewater Comment
  OBI54982  Athyrium filix-femina Marjorie Lewis 1947-8-26 17 Riverside Dark Canyon San Jacinto Mts. 1981 Comment
  UCR234287  Athysanus pusillus A. C. Sanders, John F. Green 2012-3-26 40001 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, mouth of a small canyon between Horsethief Canyon and I-15 Fwy crossing of Temescal Wash, west of Hostettler Rd. 369 Comment
  CAS-BOT-BC98821  Atrichoseris platyphylla Aven Nelson; Ruth A. Nelson 1939-3-29 3328 Riverside Hidden Springs Canyon, near Mecca Comment
  RSA516912  Atrichoseris platyphylla Steve Boyd, Orlando Mistretta 1986-3-13 1454 Riverside West side Palen Mts.: NE of Desert Center. Comment
  RSA779699  Atrichoseris platyphylla Duncan S. Bell 2010-4-2 725 Riverside Arica Mountains: east side of mountain range, approximately 2.4 air miles northwest of Priests Well, or approximately 5.7 air miles southwest of the ghost town of Rice. 419 Comment
  CAS-BOT-BC98817  Atrichoseris platyphylla Helen K. Sharsmith 1952-4-8 4051 Riverside Mojave Desert - Pinto Mountains near Meek Mine and ca. 2.5 miles beyond Mission Well 579 Comment
  UCR280986  Atriplex argentea var. expansa Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-5-25 517- 60 Riverside Elsinore Trough, Undeveloped area just NNE of Peter Lehr Drive at Diamond Circle, above the E side of the the San Jacinto River 387 Comment
  POM278696  Atriplex canescens Grant D. Brown 1950-3-19 526 Riverside 4 miles NW of Gilman Hot Springs on hyway #79 Comment
  UC1329983  Atriplex canescens James E. Cole 1941-6-7 851 Riverside Lost Horse Pass , Lost Horse Pass (Joshua Tree National Monument) 1371 Comment
  UC665900  Atriplex canescens Ira L. Wiggins 1941-3-24 9585 Riverside 1 mi n Imperial County Line (along roadside on e side Salton Sea); e side Salton Sea Comment
  RSA0066133  Atriplex canescens var. macilenta Stephanie Rockwood, Christi Gabriel 2011-10-18 125 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 96 Comment
  UCD169640  Atriplex canescens var. macilenta Dave Silverman 2010-3-24 7827 Riverside South Palen Lake, Chuckwalla Valley, 4.5 km SE of Sidewinder Well, 2.3 km SW of Palen Dunes Drive, and 4.2 km N of Interstate 10. 128 Comment
  RSA532567  Atriplex coronata var. notatior D. E. Bramlet 1991-5-7 2117 Riverside 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
  UCR66978  Atriplex coronata var. notatior D. E. Bramlet 1990-7-20 2058 Riverside c. 6.3 km. west of Hemet, beside a dirt road in an open field, about 440 m west of intersection of Florida and Warren Streets, south side of Florida, c. 267 m from the road edge 500 Comment
  CHSC239  Atriplex hymenelytra E. Thomas 1940-2-17 Riverside Thermal Canyon, Coachella valley. 30 Comment
  RSA65390  Atriplex hymenelytra F. W. Peirson 1924-12-30 5415 Riverside Thousand-Palms Canyon, edge of Coachella Valley. 122 Comment
  RSA289865  Atriplex lentiformis subsp. lentiformis B. A. Prigge 1980-12-15 4107 Riverside Coachella Valley Stormwater Channel: 3 miles S of Mecca where Lincoln Street crosses channel. -67 Comment
  RSA735904  Atriplex micrantha Scott D. White, Justin Wood 2008-6-24 12288 Riverside San Timoteo Canyon. Meadow along San Timoteo Creek. 640 Comment
  CAS-BOT-BC170068  Atriplex parishii D. Bramlet 1993-7-2 2360 Riverside The site is approximately 6.9 km southwest of Hemet, at the end of California Ave. and some 0.85 km. north of Setson. The population is located 150-500 m. east of California and 335 m., west of the MWD canal. 457 Comment
  UCR132656  Atriplex parishii D. E. Bramlet 1993-7-9 2360 A Riverside San Jacinto Valley, 6.9 km southwest of Hemet, at the end of California Ave and 0.85 km north of Stetson, 150-500 m east of California and 335 m west of the MWD canal 457 Comment
  UCR14450  Atriplex parishii O. F. Clarke, Jeanine Derby 1974-6-19 s.n. Riverside Perris-Aguanga Basin Region, [San Jacinto River] south of Ramona Expressway, 1/2 mile NW of Lakeview 432 Comment
  LA204696  Atriplex polycarpa Ray Cowles; 1936-11-29 sn Riverside Indian Wells Comment
  RSA478372  Atriplex polycarpa Jack Rempel 1932-11-18 s.n. Riverside Colorado Desert, 10 miles up Palm Wash Comment
  POM10086  Atriplex semibaccata Anonymous 1907-09 871 Riverside Corona. Comment
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Apr 11 2009
  RSA492851  Atriplex semibaccata Bill Wagner 1988-3-7 s.n. Riverside Woodcrest area, ca. 6 miles SW of Riverside. NE corner of Hibiscus and Dauchy Streets. 479 Comment
  JEPS59530  Atriplex serenana W. L. Jepson 1901-6-1 1578 Riverside near Corona (Walter's Ranch, Temescal Wash); near Corona, Walter's Ranch, Temescal Wash 335 Comment
  OBI37522  Atriplex serenana Steve Boyd 1985-8-7 1115 Riverside Murrieta area, Clinton Keith rd, just E of the Bear Creek development golf course. Comment
  CAS-BOT-BC176761  Atriplex serenana var. serenana A. C. Sanders; Mitch Provance; B. Pitzer 2000-9-27 23681 Riverside Santa Ana River Valley: SW side of Mt. Rubidoux, NW of intersection of Tequesquite Ave. and Gregory Rd., near confluence of Arroyo Tesquesquite and the river 232 Comment
  SD146321  Atriplex suberecta A. C. Sanders, K. C. Rose 1998-5-21 21854 Riverside Hemet; alkaline flats west of town, east of the canal, south of Highway 74 and ca. 0.25 mile west of Warren Road. 456 Comment
  CLARK-A1528-4492  Avena barbata John C. Roos 1966-3-22 Riverside San Jacinto Valley Comment
  RSA496469  Avena fatua Steve Boyd 1989-3-19 3047 Riverside Vail Lake area, 0.75 mile NW of dam. 622 Comment
  RSA614131  Avena fatua D. L. Banks 1997-2-23 1298 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, south of Pechanga Road in the Reservation, north of Pechanga Creek, and east of the Pechanga Tribal Government Center. 367 Comment
  SEINET7048193  Avena fatua Steven R. Hill, Andrew C. Sanders 2001-5-4 33702 Riverside Temecula; along new gas line right-of-way, north of Del Ray Road near junction with Calle Pii+-a Colada. Bachelor Mountain 7.5 minute U.S.G.S. quadrangle. Elevation about 1250 feet. Comment
  RSA0123354  Ayenia compacta Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9050 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
  RSA0094418  Baccharis brachyphylla Duncan S. Bell, Sarah DeGroot, Mark Porter 2015-10-19 8717 Riverside Whitewater Canyon, along the Pacific Crest Trail, approximately 0.75 air mile northeast of Red Dome. 885 Comment
  RSA736238  Baccharis emoryi Scott D. White, Jonathan Campbell 2008-4-18 11900 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. 'Morgan' Property, Alberhill area. 274 Comment
  LA203015  Baccharis salicifolia C. L. Hitchcock; 1940-4-12 6048 Riverside 8 mi. NW of Elsinore 457 Comment
  RSA772526  Baccharis salicifolia Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4432 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SFV11418  Baccharis salicifolia M. L. Vincent 1963-10-19 459 Riverside Snow Creek Road, 2 miles from its intersection with California State Highway 111. This intersection is about 0.75 miles southeast of the intersection between Highway 111 and Interstate Highway 10. Comment
  RSA0035717  Baccharis sergiloides A. C. Sanders, T. B. Salvato, Ana Hernandez, Karyn Drennen, Angela Collada 2013-10-2 40954 Riverside Wilson Valley Preserve, 0.35 air mi. south of Wilson Valley Rd. and 0.8 mi. east of Sage Rd., 1.4 mi. east (93 ) of Round Top Mountain 739 Comment
  SBBG7745  Baccharis sergiloides H. and M. Dearing 1940-11-10 5010 a Riverside Whitewater Comment
  UCR26076  Bahia dissecta John C. Roos 1946-8-27 2923 Riverside Peninsular Range, Santa Rosa Mtns 2287 Comment
  RSA346254  Bahiopsis parishii R. F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54062 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  RSA770449  Bahiopsis parishii Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4561 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR272437  Bahiopsis parishii Cheryl Sevilla, Sarah J. De Groot 2015-3-18 039 Riverside San Bernardino Mountains, San Gorgonio Wilderness Area, off the Pacific Crest Trail c. 2 air miles north-northwest from the Whitewater Preserve Ranger Station, on the hillside east of the Whitewater River drainage 822 Comment
  CHSC46064  Baileya multiradiata Troy Griffiths 1988-4-1 100 Riverside Vic. of Living Desert Reserve, ca. 3 mi SE of Palm Desert. 60 Comment
  CAS-BOT-BC99955  Baileya pauciradiata Marcus E. Jones 1903-5-8 s.n. Riverside Indio -7 Comment
  CLARK-A1656-656  Baileya pauciradiata Lois Ann Scott 1978-2-3 Riverside Indio Hills 609 Comment
  OBI26027  Baileya pauciradiata David J. Keil 1977-1-2 11933 Riverside W of Blythe along I-10 Comment
  UCD129501  Baileya pauciradiata Richard Bates 1949-4-26 s.n. Riverside Cathedral City, southwest of Palm Springs. Comment
  SEINET2047556 Image available Baileya pleniradiata N. Cooper 1949-4-9 3326 Riverside Blythe area 81 Comment
  NY43490  Bebbia juncea C. R. Annable 1995-3-11 2266 Riverside Rest stop on I-10 Comment
  POM253442  Bebbia juncea Thos. Craig, Frances Craig 1939-11 s.n. Riverside Aguanga. Comment
  RSA503405  Bebbia juncea J. D. Olmsted 1962-5-10 3607 Riverside L. Matthews Road ca. 1/2 mi. W of dam 427 Comment
  UCR132490  Bebbia juncea Chet McGaugh 2004-2-25 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, northern Palm Springs, near the Whitewater River channel, NW corner of Sunrise Way and San Rafael 171 Comment
  UC68958  Bebbia juncea var. aspera H. M. Hall 1905-5-2 5969 Riverside Colorado Desert, Chuckawalla Mts. Comment
  UCD129541  Bebbia juncea var. aspera BLK Date Unknown s.n. Riverside Exact location unknown. Comment
  CAS-BOT-BC207050  Bernardia incana Annie M. Alexander; Louise Kellogg 1941-5-10 2144 Riverside Small canyon 3 miles northeast of Cottonwood Spring, Eagle Mountains 1036 Comment
  JOTR33719  Bernardia incana La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, M. Wheeler 2011-10-13 2566 Riverside Joshua Tree National Park. Large open bajada in northwest Eagle Mountains, approx. 2 mi northeast of Cottonwood Visitor Center 984 Comment
  SD51809  Bernardia incana Rimo Bacigalupi, L. R. Heckard 1953-5-5 4075 Riverside Along the Palms to Pines Highway, above Seven Level Hill, western slopes of Deep Canyon, about half way between the Santa Rosa Mountains and the San Jacinto Mountains. Comment
  RSA648648  Bernardia myricifolia R. E. Riefner 2000-6-10 20 -482 Riverside San Bernardino National Forest. Hwy. 74 near Pinyon Flats Campground 1219 Comment
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Sep 7 2011
  UCR120536  Berula erecta D. E. Bramlet 2000-8-30 3066 Riverside Lake Skinner Regional Park. Tucalota Creek, just east of the equestrian bridge which crosses the creek. 1400-1500 ft north of the dirt service road (1487), and 2,600 - 2,700 ft. SE of the service road in Section 6 (1516) 470 Comment
  CAS-BOT-BC102026  Bidens laevis A. C. Sanders; Mitch Provance; B. Pitzer 2000-9-27 23679 Riverside Santa Ana River Valley: SW side of Mt. Rubidoux, NW of intersection of Tequesquite Ave. and Gregory Rd. , near confluence of Arroyo Tequesquite and the river 232 Comment
  UCR112796  Bloomeria crocea A. C. Sanders 1997-5-1 20623 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
  SBBG50743  Boechera californica R. S. Woglum 1941-6-12 3059 a Riverside Idyllwild Comment
  JOTR33134  Boechera perennans Supernaugh, William 1967-2-26 s.n. Riverside Joshua Tree National Park. Northwest Hexie Mountains; 100 yards west of Stirrup Tank parking lot 1085 Comment
  HSC79071  Boerhavia triquetra G. K. Helmkamp 1983-10-8 - 19 Riverside TNC Big Morongo Preserve, S of town of Morongo Valley in Big Morongo Canyon, beside pipeline road 762 Comment
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Feb 18 2013
  RSA0076344  Boerhavia triquetra A. C. Sanders, T. B. Salvato 2012-10-12 40403 Riverside Chuckwalla Mountains, Graham Pass, 7.6 km (c. 4.5 mi.) above the road to Chuckwalla Spring on Graham Pass Rd. 387 Comment
  RSA781886  Boerhavia wrightii Duncan S. Bell 2011-10-22 3004 A 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
  SEINET4565926  Boerhavia wrightii Duncan S. Bell 2011-10-22 3004 -A Riverside Sonoran (Colorado) Desert; Arica Mountains, west side of range, c. 2.6 air miles west of Priests Well, c. 6.8 air mi. SW of Rice 437 Comment
  UCR43367  Boerhavia wrightii R. F. Thorne, R. Dahlgren 1979-8-23 53603 Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument, Pinto Basin Road: along Road, 4.5 mi south of meeting area of Mojave and Colorado Deserts 1098 Comment
  RSA192349  Boisduvalia densiflora H. A. Zuill 1966-7-7 277 Riverside About 3 miles SW of Murrieta- near junction to Santa Rosa Ranch. Comment
  UCR142642  Bolboschoenus maritimus subsp. paludosus A. C. Sanders, Chet McGaugh 1991-7-19 11148 Riverside Peninsular Range, Murrieta Hot Springs, large vernal pool on the south side of Murrieta Hot Springs Road, east of Via Princesa & north of Calle del Lago 348 Comment
  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
  RSA385911  Bouteloua aristidoides F. R. Fosberg 1932-3-13 8073 Riverside Thousand Palms Canyon, Coachella Valley. Comment
  SEINET3920201  Bouteloua aristidoides Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-23 6491 Riverside Palen Valley, 15 miles northeast of Desert Center.; 0 183 Comment
  RSA385909  Bouteloua barbata George B. Grant 6737 Riverside Palm Springs Comment
  RSA450461  Bouteloua barbata J. C. Roos 1965-9-5 s.n. Riverside 18 miles W of Blythe. Comment
  RSA517833  Bouteloua barbata Steve Boyd, Orlando Mistretta 1986-3-13 1457 Riverside West side Palen Mountains: NE of Desert Center. Comment
  UCR165392  Bowlesia incana A. C. Sanders 2005-4-21 29573 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  UCR172208  Bowlesia incana John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley; small unnamed drainage in agricultural field along Leon Road [San Diego Aqueduct right of way] between Van Gaale Lane and Borel Road 412 Comment
  RSA113921  Brandegea bigelovii P. C. Everett, E. K. Balls 1956-5-2 21553 Riverside 2 mi. N from turnoff Hwy 60/70 W of Desert Center, Rd to Eagle Mt. Pumping Station Comment
  SBBG7427  Brandegea bigelovii H. and M. Dearing 1940-1-1 4060 Riverside Painted Cyn Comment
  UC373179  Brandegea bigelovii Marcus E. Jones, A. M. 1906-4-20 Riverside Indio Comment
  UC990933  Brandegea bigelovii D. F. Howe 1952-4-27 Riverside Box Canyon e of Mecca Comment
  UCR180599  Brassica geniculata Scott D. White, Angelia Carey 2004-4-5 10018 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  UCR91451  Brassica geniculata Scott D. White 1995-3-30 2673 Riverside San Jacinto Valley, Moreno Valley; hills c. 0.7 air mi directly south of 60 Fwy and west of bend in Moreno Beach Drive. Topo Q. shows 'Moreno' BM 2067 at top of hill. 579 Comment
  UCR104898  Brassica nigra A. C. Sanders 1997-3-19 20027 Riverside Lake Skinner area, S foot of Bachelor Mtn., across the northern arm of the lake from the boat ramp 473 Comment
  RSA0063035  Brassica rapa Andrew Haimov, April Sleigh 1992-5-2 78 Riverside 50 meters west of Davis Road, 2 miles north Ramona Expressway, San Jacinto Wildlife Area. Comment
  UCR134593  Brassica tournefortii Marisa Sripracha, Kyle Boyd 2004-2-14 009 Riverside Sonoran (Colorado) Desert, Snow Creek, 25 m from Snow Creek Road, 0.7 km south of Hwy 111 352 Comment
  UCR148341  Brassica tournefortii John F. Green 2005-1-13 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  UCR214437  Brassica tournefortii A. C. Sanders, Richard Dwerlkotte 2010-3-22 37505 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, 2 mi. SE of Sidewinder Well, south of Palen Dry Lake, SW of Palen Mtns. 142 Comment
  RSA595705  Brickellia R. E. Riefner 1996-8-27 96 -153 Riverside Lee Lake, W side of Temescal Wash near Indian Truck Rd. & I-15. Comment
  UCR18519  Brickellia arguta Frank C. Vasek, O. F. Clarke 1966-4-4 s.n. Riverside Santa Rosa Mtns, Hwy 74 at Royal Carrizo Road, Deep Canyon drainage 917 Comment
  CAS-BOT-BC106182  Brickellia desertorum Carl B. Wolf 1931-10-14 1330 Riverside Snow Creek, 1/2 mile below Fish Hatchery, north base of San Jacinto Mts. 548 Comment
  CAS-BOT-BC106192  Brickellia desertorum John C. Roos 1950-12-2 5029 Riverside Monson Canyon, Eagle Mts. 914 Comment
  CLARK-A1528-5505  Brickellia desertorum John C. Roos 1951-10-19 5328 Riverside San Jacinto Mountains 457 Comment
  SBBG45061  Brickellia desertorum C. B. Wolf 1931-10-14 2454 Riverside Snow Crk, ca. 0.5 mi below the Fish Hatchery, N base of San Jacinto Mtns 548 Comment
  CAS-BOT-BC100608  Brickellia oblongifolia var. linifolia H. M. Hall 1901-6-1 2142 Riverside San Jacinto Mountains, Easetern base, along the borders of the Colorado Desert Comment
  SBBG54317  Brodiaea orcuttii C. Davidson 1977-5-25 5654 Riverside Mesa de Burro, Santa Rosa Plateau 701 Comment
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Oct 31 2016
  SEINET14396884  Bromus anomalus F. S. Crosswhite 1960-11-4 Riverside Riverside. Comment
  RSA120969  Bromus arizonicus J. T. Howell 1956-3-20 31119 Riverside Riverside. Comment
  UCR2204  Bromus carinatus F. M. Reed 1920-6-14 4415 Riverside San Jacinto Mountains, ['Sheer'?] meadows along Strawberry Creek [at Idyllwild] 1616 Comment
  RSA754136  Bromus ciliatus var. ciliatus W. Schlegel, Andrew Troutte, Jordan Zylstra 2008-9-4 19 Riverside San Jacinto and Santa Rosa Mts.: Idyllwild: Along road. Comment
  RSA772334  Bromus diandrus Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4513 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR229275  Bromus diandrus Ginny Short 2011-3-23 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley; Pushwalla Canyon, c. 11 miles east of Cathedral City 183 Comment
  SEINET3922879  Bromus madritensis subsp. rubens A. C. Sanders 2005-4-21 29571 Riverside Peninsular Range: Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak (Steele Peak 7.5' Q.).; 0 622 Comment
  SBBG100551  Bromus rubens W. L. Halvorson 1977-3-13 77 -181 Riverside near Temecula Comment
  SEINET3923284  Bromus rubens D. Atwood, L. Stritch 1993-4-2 17890 Riverside Santo Rosa Plateau TNC Preserve & adjacent to BLM administrated lands.; 0 671 Comment
  RSA774506  Bromus tectorum Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4429 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 W116.64312 487 Comment
  JEPS9627  Bursera microphylla Marjorie Clary 1939-3-2 Riverside 17 mi sw Coachella; Santa Rosa Mountains, Martinez Canyon Comment
  UCR119269  Caesalpinia gilliesii Mitch Provance 1998-6-24 746 Riverside Jurupa Mountains, Glen Avon Heights, area north of the end of Lindsay St. 253 Comment
  UCR89830  Caesalpinia virgata George K. Helmkamp 1994-3-10 42- 18 Riverside Sonoran (Colorado) Desert, Indio Hills, canyon opening into Coachella Valley, 2 miles east of Thousand Palms on Ramon Road, and 1.3 miles north 122 Comment
  RSA342515  Calandrinia ciliata R. F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 52008 Riverside Santa Rosa Plateau: Mesa de Colorado. 610 Comment
  UCR158328  Calandrinia ciliata A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30070 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
  UCR225576  Calandrinia ciliata A. C. Sanders, T. B. Salvato 2011-3-29 38873 Riverside Peninsular Range; Perris-Aguanga Basin Region, between Sun City and Perris, along powerline corridor 0.45 east of Goetz Rd. and 0.07 km east Wheat St. 450 Comment
  CAS-BOT-BC85767  Calocedrus decurrens George B. Grant 1901-1-1 691 Riverside San Jacinto Mountains, S. Cal. 914 Comment
  RSA761866  Calocedrus decurrens Patrick Garrett, C. Martinez, N. Fraga, L. McDade 2010-8-14 71 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  UC215291  Calocedrus decurrens Geo. B. Grant 1901-8-1 Riverside Strawberry Valley San Jacinto Mts., Strawberry Valley Comment
  RSA660030  Calocedrus decurrens Michelle Cleveland 1981-2-14 12 Riverside Idyllwild Visitor Center off Hwy 74. Collected 200 yards N of Visitor Center. 1900 Comment
  RSA68361  Calochortus concolor Verne Grant, Alva Grant 1951-7-19 16089 Riverside Idyllwild road, ca. 1 mile above Highway 74. 1220 Comment
  RSA752778  Calochortus splendens Scott D. White, Justin M. Wood 2009-5-21 12842 Riverside McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  RSA502182  Calochortus weedii var. intermedius Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-6-11 3720 Riverside Vail Lake area, recently burned hills at W end of lake SW of dam. 488 Comment
  JOTR35456  Calycoseris parryi Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 60 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop3) Comment
  CAS-BOT-BC282921  Calycoseris wrightii Carl B. Wolf 1932-4-29 3107 Riverside E Colorado Desert. Blythe - Rice Rd. 9 miles S of Browns Well 243 Comment
  RSA45510  Calycoseris wrightii J. C. Roos, L. Roos 1949-4-9 4209 Riverside 30 mi. N of Blythe, near Riverside Mts Comment
  SEINET3004979  Calycoseris wrightii G. Rink, M. Baker 2011-4-1 10406 Riverside Northwest of Blythe, east of the McCoy Mtns, swale in desert pavement 152 Comment
  UCR252228  Calystegia macrostegia Marissa Manahan 2011-4-24 s.n. Riverside Mount Rubidoux Park, Riverside, near summit 381 Comment
  RSA161221  Calystegia macrostegia subsp. tenuifolia P. H. Raven 1959-4-23 14024 Riverside 5.1 miles west of Dripping Springs. Comment
  UC456007  Calystegia macrostegia subsp. tenuifolia I. J. Condit 1910-6-24 Riverside road to Strawberry Valley (San Jacinto Mts.); San Jacinto Mts. 609 Comment
  CSUSB951  Camissonia bistorta Charlotte M. Bringle, Heather Johnston 1967-4-22 Riverside Near Lake Elsinore, 2.2 miles south of Santa Fe overpass on Highway 71, and 50 feet south of Glen Eden mail box. In canyon. Comment
  RSA465917  Camissonia bistorta N. C. Cooper 1949-3-15 3009 Riverside Banning. 701 Comment
  SEINET4680880  Camissonia bistorta R. L. Piemeisel 1913-5-2 3559 Riverside Crestmore field.; 0 Comment
  UCR120960  Camissonia bistorta A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23879 Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  UCR133167  Camissonia bistorta Frank C. Vasek 1978-5-6 s.n. Riverside San Jacinto Mtns., Bautista Canyon, c. 4 miles by road SSE of Valle Vista 671 Comment
  UCR260546  Camissonia bistorta T. B. Salvato, Matt Malle 2014-5-29 8024 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
  UCR85165  Camissonia boothii A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16084 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  CSUSB178  Camissonia brevipes Rodney Hendrick 1965-3-14 Riverside In sandy area, dry wash, Box Canyon about 8 miles east of Mecca 182-274 Comment
  RSA78451  Camissonia brevipes subsp. brevipes Verne Grant, Alva Grant 1952-4-1 17516 Riverside 9 miles E of Mecca Comment
  RSA515334  Camissonia californica 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. 610 Comment
  UCR133410  Camissonia californica Jeffrey Ross, T. B. Salvato 1998-6-9 MOR- 324 A Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Lion Canyon, c. 3.5 miles NNW of Cabazon 854 Comment
  UCR172716  Camissonia californica Jun Hu 2000-5-11 21 Riverside San Jacinto Valley, SE of city of Winchester, Hills N of Diamond Valley 488 Comment
  RSA651859  Camissonia cardiophylla David B. Dunn 1948-2-21 3665 Riverside Pushwalla 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
  UCR251664  Camissonia claviformis subsp. aurantiaca Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-24 846 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains Wilderness, off Corn Spring Road, main wash adjacent to Corn Spring Road, draining from Corn & Aztec Springs, 396 Comment
  POM160102  Camissonia claviformis subsp. peirsonii E. C. Jaeger 1927-3-23 s.n. Riverside Salt Creek Wash, Colo. Desert Comment
  RSA75432  Camissonia hirtella F. W. Peirson 1924-7-29 5022 Riverside Road between Banning and Idyllwild. 1768 Comment
  UCR231774  Camissonia ignota John F. Green 2008-4-23 08- 26 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
  UCR251347  Camissonia pallida S. J. Myers 2014-5-21 1068 Riverside Western Edge Sonoran (Colorado) Desert, Whitewater, along Whitewater River at I-10 407 Comment
  SEINET5542145  Camissonia pallida Robert A. Raguso 1997-1 97 -4 Riverside Yucca City. Comment
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Aug 20 2015
  POM14084  Camissonia pallida subsp. pallida P. A. Munz, D. Keck 1922-4-14 4978 Riverside 10 mi. west of Indian Wells. Along the Whitewater Wash. 91 Comment
  RSA449222  Camissonia pallida subsp. pallida Elizabeth A. White 1928-04 s.n. Riverside Colorado Desert, Indio Rd. Comment
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Oct 23 2011
  UC1979872  Camissonia refracta Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 765 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Mecca Hills, Shaver's Well Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. Comment
  RSA395908  Camissonia strigulosa Steve Boyd 1986-4-22 1774 Riverside Temescal Canyon: Horsethief Wash N of Temescal Cyn. Road. Comment
  UC1979635  Camissonia strigulosa D. L Banks, Steve Boyd 1995-5-3 0196 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. Comment
  UCR44448  Camissonia strigulosa A. C. Sanders, B. Pitzer 1986-4-30 6472 Riverside San Jacinto Valley, San Jacinto River Valley at the mouth of Bee Canyon. 610 Comment
  UCSB42114  Camissonia strigulosa Roos, John 1965-6-13 Riverside Mountain Center, San Jacinto Mtns Comment
  UCD103412  Camissoniopsis bistorta Steve Boyd 1986-3-1 1360 Riverside Gavilan Plateau, Gavilan Hills. 1/4 mile south of Harford Springs County Park. 640 Comment
  UC147159  Camissoniopsis pallida subsp. hallii H. M. Hall 1897-4-17 446 Riverside Banning Colorado Desert (edge of Colorado Desert) Comment
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Mar 21 2011
  JEPS33743  Camissoniopsis pallida subsp. pallida Marjorie D. Clary 1932-4-4 1531 Riverside nw Indio; Colorado Desert, Deep Canyon 91 Comment
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Nov 1 2011
  UC1122273  Camissoniopsis pallida subsp. pallida H. S. Yates 1936-4-7 5429 Riverside near Whitewater; San Jacinto Quadrangle Comment
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Dec 15 2011
  UCR165697  Camissoniopsis pallida subsp. pallida A. C. Sanders, J. C. Dice, K. C. Rose, D. Woodard 1995-3-29 16289 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
  SEINET3507531 Image available Capsella bursa-pastoris K. S. Gill 1965-3-28 Riverside 1.2 mile north of corner of Wood and Roberts roads in Woodcrest. Comment
  SEINET10954770  Carex barbarae Steve Boyd, Timothy S. Ross 1990-5-11 Boyd 4663 Riverside Vail Lake Area, Arroyo Seco drainage, canyon bottom at north base of Wild Horse Peak, southeast of Dripping Springs Campground of Cleveland National Forest. T8S, R1W, N 1/2, Sec 26. Riparian woodland, pools along stream supporting Typha, Carex, etc. Benches, slopes burned. Comment
  UC1254603  Carex douglasii James E. Cole 1941-5-17 726 Riverside Covington Flat Joshua Tree National Monument, Covington Flat 1584 Comment
  UCR40570  Carex fracta A. C. Sanders 1980-8-23 1765 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  POM14316  Carex multicostata Phillip A. Munz 1922-7-7 6052 Riverside San Jacinto Mountains: Round Valley 2713 Comment
  RSA249848  Carex sartwelliana Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38116 Riverside San Jacinto Mountains: San Bernardino National Forest. Above James Reserve in Hall Canyon 1677 Comment
  SD239789  Carya illinoinensis A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37151 Riverside Peninsular Range: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River (Riverside West 7.5'Q) 238 Comment
  POM14080  Castela emoryi Philip A. Munz, D. D. Keck 1922-4-14 4993 Riverside 'Hayfields', Chuckwalla Valley 152 Comment
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Apr 22 2011
  RSA0111980  Castela emoryi Duncan S. Bell, Amanda Bell 2012-1-28 3062 Riverside East side of the Arica Mountains; collecting in Rice Valley, approximately 6 air miles southeast of the ghost town of Rice. 202 Comment
  RSA448695  Castilleja applegatei subsp. martinii N. C. Cooper 1945-5-24 1624 Riverside Big Oaks Canyon, Banning. 1220 Comment
  SD229283  Castilleja applegatei subsp. martinii Dick Schwenkmeyer 2012-4-17 686 Riverside Mt. San Jacinto: Vista Grande, 2 miles south of U.S. Forestry station on Highway 243 north of Idyllwild 1618 Comment
  UCR162951  Castilleja densiflora Fred M. Roberts, R. E. Riefner Jr. 2005-3-31 6138 Riverside Upper Salt Creek, W of Hemet, 200m east of Calif. Rd and 300m south of Stetson Rd, 1.8km WSW Ryan Field 456 Comment
  UCR215127  Castilleja densiflora Sarah C. Pasquini 2008-4-15 08 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, c. 6 miles west of Murrieta, c. 60 m off Waterline Road 560 Comment
  JEPS10327  Castilleja exserta subsp. exserta I. W. Clokey 1930-4-9 4712 Riverside Moreno Grade 700 Comment
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Mar 20 2011
  RSA593380  Castilleja foliolosa Scott D. White 1996-7-23 4361 Riverside Pinyon Flat Area: N of Hwy 74, ca. 10 road miles E of jct. w/Hwy 371. W facing slope of Sugarloaf Mtn. and adjacent valley. 1250 Comment
  RSA770851  Castilleja foliolosa Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4937 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
  UCR165189  Castilleja foliolosa S. J. Myers 2001-4-6 s.n. Riverside San Jacinto Mtns., Bautista Canyon 976 Comment
  UC27215  Castilleja lasiorhyncha H. M. Hall 1897-6-16 649 Riverside San Jacinto Mts. 1828 Comment
  UCR121245  Castilleja martinii Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2283 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  RSA0103096  Castilleja minor subsp. spiralis Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8544 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  RSA0010917  Castilleja minor subsp. spiralis Mary F. Spencer 1923-1 2262 Riverside Idyllwild 1037 Comment
  SBBG87798  Caulanthus cooperi A. C. Sanders, B. Pitzer, D. Charlton 1986-3-2 6052 Riverside Chuckwalla Bench, S side of Chuckwalla Mtns, on Bradshaw Rd, ca. 2 mi E of gasline rd; T7S, R15E, S30 640 Comment
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Jun 1 2011
  SBBG101780  Caulanthus heterophyllus S. Boyd with T. Ross, M. Hammitt 1991-5-2 6022 Riverside SW and W flanks of Billy Goat Mtn, 3 mi N of Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  UC1608299  Caulanthus heterophyllus Steve Boyd, Tim Ross, and Orlando Mistretta 1992-3-31 6749 Riverside Morgan Trail from Round Potrero w to jtn with Tenaja Tr in N-fork Bear Creek (San Mateo Cyn Wilderness Area); Santa Ana Mountains, San Mateo Cyn Wilderness Area 670 Comment
  UCR174523  Caulanthus heterophyllus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32484 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
  HSC85460  Caulanthus lasiophyllus Steve Boyd 1986-4-2 1608 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  SBBG122768  Caulanthus simulans A. Parikh 1990-4-27 160 Riverside SW of Crown Valley, W or Rawson Cyn, 1.9 km SW of jct of Crown Valley Rd and Rawson Rd 730 Comment
  RSA575055  Ceanothus crassifolius Steve Boyd 1981-3-4 810304 -i Riverside Gavilan Hills region, low hill and adjacent flats along Gavilan Creek drainage at the southwest end of Harford Springs County Park on the Gavilan Plateau, north of Ida Leeona Road and east of the trailer park. 610 Comment
  RSA606765  Ceanothus crassifolius Jon E. Keeley 1996-5-5 27362 Riverside Chaparral S of Hwy 79 on Woodchuck Rd., E of Temecula. 183 Comment
  RSA606777  Ceanothus crassifolius Jon E. Keeley 1996-5-5 27354 Riverside Chaparral S of Hwy 79 on Woodchuck Rd., E of Temecula. 183 Comment
  UC1018191  Ceanothus crassifolius J. Warren 1952-3-16 Riverside Ortega Hwy Mt. Lilac (by Lake Elsinore) 609 Comment
  SEINET13945800 Image available Ceanothus crassifolius Lewis S. Rose 1949-1 49072 Riverside 2 mi. south of Temecula 366 Comment
  POM280875  Ceanothus cuneatus Henry J. Ramsey, Henry J. Ramsey 1940-3-15 s.n. Riverside Aguanga. (north of Riverside Co.) Comment
  CHSC1503  Ceanothus cyaneus E. Thomas 1940-3-10 Riverside Foothills above Sage. Comment
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Jan 7 2020
  UC774865  Ceanothus integerrimus Carl B. Wolf 1941-8-15 11155 Riverside n side and 1/2 mi from summit Santiago Peak; Santa Ana Mts. Comment
  RSA570553  Ceanothus ophiochilus Steve Boyd, Chris Frazier 1993-4-24 8012 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. 1000 Comment
  SBBG105055  Ceanothus ophiochilus S. Boyd with T. Ross 1993-3-23 7893 Riverside Paloma Valley, between Sun City and Murrieta, E of Hwy I-215, just SW of jct of Briggs Rd and Scott Rd 792 Comment
  UCR172755  Ceanothus palmeri Abby Sirulnik 2000-5-7 39 Riverside Peninsular Ranges; San Jacinto Mtns., Calif. Hwy 243, c. 6 mi. south of Poppet Flat Road 1646 Comment
  JEPS42457  Ceanothus perplexans W. L. Jepson 1901-5-27 1464 Riverside Van Deventer's Ranch Comment
  POM12992  Ceanothus tomentosus subsp. olivaceus P. A. Munz, I. M. Johnston 1922-5-19 5311 Riverside Santa Ana River Canyon. 457 Comment
  CAS-BOT-BC63255  Ceanothus tomentosus var. olivaceus Wesley O. Griesel 1959-3-24 13 Riverside highway 79, 7 mi. s. of Hemet. 609 Comment
  RSA535466  Ceanothus tomentosus var. olivaceus Steve Boyd, Tim S. Ross, Orlando Mistretta 1992-2-2 6651 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Lower half of Tenaja Cyn, especially about Fishermans Camp. Comment
  CDA7290  Centaurea X pouzinii F. J. Willmarth 1960-6-2 Riverside Old Fuller Rancho, near Corona. 0 Comment
  RSA736785  Centaurea melitensis Scott D. White, Angelia Carey 2004-7-2 10552 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UCR280836  Centaurea melitensis T. B. Salvato, Gregg Miller 2005-6-3 1370 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River c. 2.5 mi SSW of Perris, 1.5 mi downstream of Goetz Road where the river leaves the Perris Plain and enters the hill area above Railroad Canyon 427 Comment
  UCR114617  Centaurea repens Mitch Provance 1997-5-18 1095 Riverside City of Riverside, Hillside area, near Central Ave., along the N periphery of the Riverside Airport, south of the Wall Street Journal. 250 Comment
  RSA735927  Centaurea solstitialis Scott D. White, Justin M. Wood 2008-5-29 12043 Riverside Beaumont Badlands: West of Beaumont, near SR-60 crossing over San Timoteo Creek. 610 Comment
  RSA391487  Centaurium exaltatum S. B. Parish 1891-1 s.n. Riverside Santa Ana River. Comment
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Aug 8 2010
  RSA263672  Centaurium venustum E. W. Lathrop 1968-6-2 6963 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. Comment
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Jun 6 2020
  CAS-BOT-BC248870  Centromadia pungens subsp. laevis Jeremiah George 2012-7-9 s.n. Riverside San Timoteo Canyon, west side of San Timoteo Canyon Rd., NE corner of Fisherman's Retreat Lake 597 Comment
  UCR217639  Centromadia pungens subsp. laevis Jeff B. Galvin 2010-5-3 123 Riverside Perris-Aguanga Basin, 250 m east of Warren Road and 350 m south of Esplanade Ave, adjacent to housing tract 454 Comment
  POM2527  Cercidium floridum Marjorie Shaw s.n. Riverside Palm Springs. Comment
  RSA27030  Cercidium floridum C. L. Hitchcock 1940-3-29 5844 Riverside 12 miles east of Indio. Comment
  OBI5880  Cercocarpus betuloides Carl B. Wolf 1931-5-11 1950 Riverside Above Hemet Valley, San Jacinto Mts 1695 Comment
  RSA44868  Cercocarpus betuloides J. C. Roos 1948-5-15 3854 Riverside Upper Lost Palms Canyon, Eagle Mountains. Comment
  CAS-BOT-BC135455  Cercocarpus betuloides var. betuloides C. B. Wolf 1931-5-11 1950 Riverside Rocky ridges near Pipe Creek, above Hemet Valley - San Jacinto Mts. 1676 Comment
  UC56988  Cercocarpus betuloides var. betuloides H. M. Hall April, 1902 2894 Riverside vicinity of Sage; Southern California 609 Comment
  RSA192311  Cercocarpus minutiflorus H. A. Zuill 1966-7-17 287 Riverside Tenaja Grade, about 1 mile SW Murrieta Comment
  UCR79226  Cercocarpus minutiflorus Steve Boyd, T. S. Ross 1992-2-21 6669 Riverside Santa Ana Mtns., Southern part of Mtns., San Mateo Canyon Wilderness Area. Potrero de la Cienega area along Morgan Trail from Morrell Canyon south 854 Comment
  JEPS8905  Chaenactis artemisiifolia W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1274 Riverside San Jacinto River to Strawberry Valley Comment
  RSA735399  Chaenactis carphoclinia var. carphoclinia Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11226 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  RSA777827  Chaenactis carphoclinia var. carphoclinia Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 858 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
  UCR216209  Chaenactis carphoclinia var. carphoclinia Jim Andre, T. La Doux 2009-2-25 10830 Riverside Sonoran (Colorado) Desert, Big Maria Mountains, along west side of Hwy 95 just south of Black Point, c. 15 miles north of Blythe 94 Comment
  CAS-BOT-BC276939  Chaenactis fremontii John Thomas Howell 1928-3-11 3446 Riverside Garnet Station, Coachella Valley, Colorado Desert 213 Comment
  JEPS108701  Chaenactis fremontii C. Spurrier, M. J. Way 2001-6-13 2 Riverside Big Morongo Canyon Preserve, 1.3 km n of Indian Ave., just E of Hwy 62 525 Comment
  JEPS30923  Chaenactis fremontii Palmer Stockwell 1940-4-24 1505 Riverside 1 mi E of Banning Comment
  RSA336184  Chaenactis fremontii R. F. Thorne 1978-4-23 52039 Riverside Just E of Palm Desert. Comment
  RSA730040  Chaenactis fremontii R. F. Thorne 1973-3-30 72674 Riverside Morongo Valley Canyon: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, Mission Creek. 488 Comment
  VVC703  Chaenactis fremontii P. J. MacKay, T. Thomas 1997-2-8 92 Riverside Colorado Desert, Palm Springs; vacant lot on Bogart Trail (street). 169 Comment
  RSA700020  Chaenactis glabriuscula Scott D. White, Michael Honer 2003-4-25 9105 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
  UCR94268  Chaenactis glabriuscula Scott D. White 1996-4-14 3898 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
  CAS-BOT-BC277400  Chaenactis glabriuscula var. glabriuscula H. M. Hall 1903-4-1 3800 Riverside Vicinity of Riverside 426 Comment
  CAS-BOT-BC277417  Chaenactis glabriuscula var. glabriuscula Geo. B. Grant 1905-4-20 6758 Riverside Palm Springs Comment
  CAS-BOT-BC277418  Chaenactis glabriuscula var. glabriuscula Peter H. Raven; R. Snow 1957-7-26 11105 Riverside Meadow just below Vista Grande Ranger Station, Banning-Idyllwild road, San Jacinto Mts. Comment
  POM351765  Chaenactis glabriuscula var. glabriuscula Ora M. Clark 1929-3-2 1598 Riverside Near Alberhill Comment
  RSA586326  Chaenactis glabriuscula var. glabriuscula Darin L. Banks, Steve Boyd 1995-5-3 0191 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UC218264  Chaenactis glabriuscula var. glabriuscula P. A. Munz 1922-6-30 5916 Riverside Santa Rosa Santa Rosa Mts., Santa Rosa 1981 Comment
  SEINET2029696 Image available Chaenactis glabriuscula var. lanosa C. L. Hitchcock 1940-4-12 6038 Riverside 8 miles northwest of Elsinore Comment
  RSA396458  Chaenactis parishii Walter Wisura 1987-6-19 4165 Riverside 3.9 miles from Hwy 74 along, Thomas Mountain Rd., S of Lake Hemet; San Jacinto Mtns. Comment
  CAS-BOT-BC284353  Chaenactis stevioides Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center, Colo. Desert Comment
  HSC101261  Chaenactis stevioides Jim Andre 2012-3-19 21353 Riverside Chuckwalla Valley; along Hwy 177, 8.6 mi. NE of Jct with I-10. 152 Comment
  JOTR31225  Chaenactis stevioides La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 2009 Riverside Joshua Tree National Park. Eagle Mountains; (Stop 3) sand ramps 432 Comment
  UC195040  Chaenactis stevioides Joseph Grinnell 1910-5-17 Riverside Riverside Mt., Colorado River Comment
  UCR245963  Chaenactis stevioides Duncan S. Bell 2009-3-8 80 Riverside Arica Mountains, NW side of range, c. 3.2 air miles NW of Priest Well, or c. 6.5 air miles SW of ghost town of Rice 513 Comment
  UCR20633  Chaetopappa aurea W. W. Mayhew 1977-7-5 s.n. Riverside San Jacinto Mtns, 2 mi. west of Idyllwild 1494 Comment
  POM432473  Chamaesyce N. C. Cooper 1944-5-6 1196 Riverside Whitewater Canyon. 457 Comment
  RSA770642  Chamaesyce R. F. Thorne 1966-10-15 41792 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway. Comment
  SEINET3228133  Chamaesyce abramsiana G. Rink, T. Thomas and K. Routson 2012-9-1 11656 Riverside Blythe Solar Power Plant (proposed) about 10 miles northwest of Blythe 160 Comment
  UC56534  Chamaesyce albomarginata E. A. Zumbro Oct., 1902 300 Riverside Riverside Comment
  JEPS52373  Chamaesyce polycarpa W. L. Jepson 1914-3-23 6054 Riverside Colorado Desert, Conchilla Desert 60 Comment
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Sep 1 2007
  UC63397  Chamaesyce serpyllifolia H. M. Hall 1904-5-24 4961 Riverside vicinity of Riverside; Santa Ana River 243 Comment
  CHSC114143  Chamaesyce setiloba Duncan S. Bell 2011-10-22 2998 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
  POM296326  Chamaesyce setiloba L. S. Rose 1946-12-23 46302 Riverside Cathedral Canyon Wash. 183 Comment
  RSA432499B  Chamaesyce setiloba M. French Gilman 1940-1-22 4030 Riverside Smoketree Canyon. 305 Comment
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Sep 29 2011
  JOTR16825  Cheilanthes covillei Supernaugh, William JR. 1967-2-16 57 Riverside Joshua Tree National Park. 1/4 MILE SOUTH OF RYAN HOMESTEAD 1341 Comment
  RSA645582  Cheilanthes covillei Scott D. White 1996-8-15 4460 Riverside San Jacinto Mtns. Idyllwild Area: Alvin Meadows and unnamed canyon upstream. 1524 Comment
  RSA685719  Cheilanthes covillei Susan Hutchinson 1927-03 37 Riverside White Tank [Joshua Tree National Park, Mojave Desert] Comment
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Nov 12 2011
  UC42439  Cheilanthes covillei Vasey Jr. Feb. 1881 13 Riverside Whitewater Comment
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Nov 29 2010
  POM148058  Cheilanthes newberryi J. B. Feudge 1925-3-15 1027 Riverside near Gilman Relief Hot Springs 610 Comment
  POM120575  Cheilanthes parryi Marcus E. Jones 1906-4-26 s.n. Riverside Indio Comment
  RSA680568  Cheilanthes parryi Scott D. White, Michael Honer 2003-4-30 9140 Riverside Shavers Valley. About 1-2 miles south west of unnamed freeway exit at pumping station. 396 Comment
  UCR245235  Cheilanthes parryi Jim Andre 2012-3-19 21325 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
  RSA781298  Chenopodium Mitch Provance 2000-12-10 2284 Riverside Jilberto s Mexican Restaurant, c. 0.5 miles west of Hwy 215 on University Ave. 299 Comment
  UCR82220  Chenopodium J. M. Stewart 1994-5-2 857 Riverside Western Colorado Desert, Coachella Valley, Thermal. Hwy 86 & Avenue 60 Comment
  UCR113605  Chenopodium album A. C. Sanders 2000-9-16 23646 Riverside Riverside, yard at 422 W Campus View Dr. 335 Comment
  RSA709239  Chenopodium album var. album A. C. Sanders, Mitch Provance, T. B. Salvato, B. Pitzer 2000-11-3 23723 Riverside Riverside, UCR campus, east side of the UCR Botanical Garden. 351 Comment
  UC1792804  Chenopodium amaranticolor A. C. Sanders, Mitch Provance, T. B. Salvato, B. G. Pitzer 2000-11-3 23723 Riverside Riverside, UCR campus, east side of the UCR Botanical Garden 350 Comment
  UCR69753  Chenopodium berlandieri A. C. Sanders, Chet McGaugh 1991-7-19 11154 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
  RSA720297  Chenopodium californicum Mitch Provance, Tim Ross 1998-3-27 989 Riverside Morongo Indian Reservation, S entrance to Hathaway Cyn., near the corner of Verdugo Rd. and Hathaway Cyn. Rd. 732 Comment
  UCR113788  Chenopodium giganteum A. C. Sanders, Mitch Provance 2000-10-4 23716 Riverside Riverside, UCR Botanic Garden, gully on east fence SE of the herb garden 366 Comment
  UCR111993  Chilopsis linearis A. C. Sanders, T. B. Salvato 2000-4-27 23374 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
  UCR133023  Chilopsis linearis Bern Schwenn 1998-5-4 s.n. Riverside Sonoran (Colorado) Desert, Eagle Mountains, nameless canyon below Carey's Castle, NW of Red Butte Wash, c. 3 miles east of Chiriaco Summit and 1 mile or so north of I-10 640 Comment
  UCR209593  Chilopsis linearis Robert J. Steers, Stan C. Spencer, Matt Willis 2009-6-1 s.n. Riverside San Gorgonio Pass, near the town of Cabazon, west side of the San Gorgonio River on the Morongo Indian Reservation, c. 0.2 mi. WSW of the corner of Dailey Rd. and Sullivan Rd. 675 Comment
  UCR23380  Chilopsis linearis John C. Roos, L. Roos 1952-6-21 5783 Riverside San Timoteo Canyon 442 Comment
  JOTR32318  Chilopsis linearis subsp. arcuata Herskovits, Tasya 2011-5-25 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains; Large sandy, open wash flowing southeast to Cottonwood Canyon; Near convergence of both drainage systems and Pinto Basin road (Stop 2) Comment
  SEINET7048148  Chilopsis linearis subsp. arcuata Steven R. Hill 2001-5-3 33649 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road, halfway up Chino Canyon, about 1-1.5 miles southwest of California Route 111, Palm Springs. At boundary of Palm Springs Aerial Tramway property, at entrance gate. Elevation about 1000-2000 feet. Comment
  UCR114638  Chorispora tenella Fred M. Roberts 1992-4-8 4854 Riverside San Jacinto Valley, Hemet, Upper Salt Creek Watershed, along west side of Warren Road, c.a. 0.3km jct. with Florida Ave. 457 Comment
  UCR116911  Chorizanthe A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23960 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  RSA226505  Chorizanthe brevicornu var. brevicornu C. W. Tilforth, John Dourley 1971-4-15 348 Riverside Between Chiriaco Summit and Red Butte Wash along aqueduct maintenance road. 534 Comment
  RSA757640  Chorizanthe brevicornu var. brevicornu LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4315 Riverside From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  SBBG87405  Chorizanthe brevicornu var. brevicornu A. C. Sanders with B. Pitzer, D. Charlton 1986-3-1 6011 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
  SEINET7048175  Chorizanthe brevicornu var. brevicornu Steven R. Hill 2001-5-3 33681 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
  HSC78585  Chorizanthe corrugata G. K. Helmkamp 1983-3-24 3838 Riverside Little Chuckwalla Mtns., N base, 1.5 mi. E of Graham Pass Rd. 335 Comment
  UCR16542  Chorizanthe leptotheca Heidi A. Haid 1964-5-10 64510- 12 Riverside Hwy 79, c. 1 mi. east of Aguanga 610 Comment
  SEINET4182893  Chorizanthe parryi K. Brandegee 1905-5-12 s.n. Riverside Near Riverside Comment
  RSA11625  Chorizanthe parryi var. parryi C. Epling, W. M. Robinson 1934-6-24 s.n. Riverside Near Banning, San Gorgonio Wash in the Little San Bernardino Mts. Comment
  SD138829  Chorizanthe parryi var. parryi Craig Reiser 1993-3-29 Riverside North of Lewis Valley Road and east of Sage Road Comment
  UC52610  Chorizanthe parryi var. parryi A. J. McClatchie May, 1892 49 Riverside near Elsinore; near Elsinore Comment
  UCR194231  Chorizanthe parryi var. parryi Scott D. White 2006-4-28 11321 Riverside Elsinore Basin, Wildomar, east of the I-15 Fwy and north of Baxter Road. South and west-facing hillsides, minor ephemeral wash, and upper bajadas at bases of hills 488 Comment
  UCR189564  Chorizanthe polygonoides var. longispina Diane Menuz 2006-4-20 34 Riverside Peninsular Range; Santa Ana Mountains, Elsinore Peak; c. 3 mi south of Lake Elsinore. Next to tower off dirt road 1050 Comment
  UCR228837  Chorizanthe polygonoides var. longispina A. C. Sanders, T. B. Salvato 2011-4-27 39336 Riverside Peninsular Range, south side of Alberhill Mountain in vicinity of Durant Siding and Terra Cotta, near Nichols Rd. and extension (under construction) toward Lake St. 390 Comment
  UCR30160  Chorizanthe rigida A. C. Sanders 1983-4-24 3802 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
  CAS-BOT-BC246332  Chorizanthe spinosa J. Von Loh 1978-7-11 60375 A Riverside Edwards Air Force Base. 762 Comment
  UCR139166  Chorizanthe staticoides S. J. Myers 2003-4-22 s.n. Riverside Murrieta Area, hill 1564 between Auld. Rd. and Benton Rd. near Pourroy Rd., south of Alamos School site, north of Tucalota Creek 477 Comment
  RSA777280  Chorizanthe watsonii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4742 -a 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
  UCR261484  Chorizanthe xanti subsp. leucotheca A. C. Sanders, Katie Young, John Hale 2015-4-22 41587 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 1.6 km south of I-10, 1.2 km NW (319 deg. ) of One Horse Spring 458 Comment
  RSA0004914  Chorizanthe xanti var. leucotheca Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater 305 Comment
  RSA757321  Chorizanthe xanti var. leucotheca Robert J. Steers, Stan C. Spencer, Matt Willis 2009-6-1 s.n. Riverside near the town of Cabazon, west side of the San Gorgonio River on the Morongo Indian Reservation, c. 0.2 mi. WSW of the corner of Dailey Rd. and Sullivan Rd. 675 Comment
  CAS-BOT-BC36261  Chrysolepis sempervirens Mary F. Spencer 1919-7-8 665 Riverside Tacquitz ridge, San Jacinto Mt. 2438 Comment
  RSA93244  Chrysothamnus paniculatus F. W. Peirson 1922-12-26 3331 Riverside Whitewater Grade, near Cabazon Comment
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Mar 13 2011
  SEINET7883464 Image available Chrysothamnus paniculatus Lewis S. Rose 1935-1 35677 Riverside Colorado Desert; Whitewater Wash, 3 mi SE Palm Springs Station 305 Comment
  UC447175  Chylismia cardiophylla subsp. cardiophylla J. Ewan 1931-4-4 4154 Riverside summit e Shaver's Well 518 Comment
  CAS-BOT-BC160621  Chylismia claviformis subsp. aurantiaca L. A. Greata 1905-4-1 435 Riverside Coachella Comment
  CAS-BOT-BC160636  Chylismia claviformis subsp. aurantiaca R. J. Dobbs 1927-3-30 2975 Riverside Palm Springs Comment
  SBBG23065  Chylismia claviformis subsp. aurantiaca D. Myrick 1965-3-4 1079 Riverside Palms to Pines Hwy 74 609 Comment
  UC30796  Cirsium scariosum var. congdonii H. M. Hall 1901-7-15 2421 Riverside vicinity Strawberry Valley 1615 Comment
  CAS-BOT-BC438856  Cistanthe monandra Cecil Hart 1926-3-9 s.n. Riverside Between Whitewater & Indio Comment
  HSC84170  Clarkia purpurea Karin Cleary 1987-5-20 38 Riverside Banning Bench, at the edge of the San Gragonio River Canyon, .8 km S of the end of the paved road on the Banning Bench Rd. 1213 Comment
  UCR127552  Clarkia purpurea A. C. Sanders, T. B. Salvato 2003-5-21 26800 Riverside Elsinore Valley, Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  RSA1560  Clarkia purpurea subsp. quadrivulnera J. T. Howell 1928-7-9 1073 Riverside Head of San Juan Canyon. Elsinore Mountains 793 Comment
  UCR16355  Clarkia unguiculata Kirk Taylor 1976-5-29 760529- 10 Riverside Upper Santa Ana River/San Bernardino Valley, Fairmont Park, Houghton Avenue, overlooking south end of Park 244 Comment
  VVC335  Clarkia unguiculata Markell Kohn 1959-4-26 s.n. Riverside Santa Ana River Valley., UCR campus; behind greenhouse 16 next to Eucalyptus. 340 Comment
  RSA522742  Claytonia parviflora subsp. parviflora Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-3-29 3849 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  RSA276887  Claytonia parviflora subsp. tenuifolia C. Fellows 1974-4-12 981 Riverside 1.0 mi. N of Mountain Center on Hwy. 243. 1463 Comment
  RSA33630  Clematis lasiantha Robert L. Rutherford 1945-6-17 1669 Riverside Big Oaks Canyon, Banning. 1220 Comment
  RSA386221  Clematis lasiantha Christopher Davidson 1977-5-18 5629 Riverside Santa Ana Mts, Cleveland National Forest, Bear Springs. 1220 Comment
  UCR16938  Clematis lasiantha E. W. Lathrop 1971-3-21 7453 Riverside Santa Ana Mtns., Cleveland National Forest, Trabuco District, Bedford Truck Trail 1220 Comment
  RSA180259  Clematis pauciflora E. W. Lathrop 1965-3-30 5593 Riverside Tenaja Guard Station, 16 mi. W of Murrieta. Comment
  UCR138641  Clematis pauciflora D. L. Banks 1997-2-17 1267 Riverside Agua Tibia Mountains, NW Palomar Mountains: NW foothills of Dorland Mtn at the S end of Los Caballos Road the University of California-Emerson Oaks Reserve. The westernmost portion of the Preserve, south of a large, privately owned citrus grove 506 Comment
  UCR281276  Clematis pauciflora Mitch Provance, Jeremiah George 2017-3-21 317- 11 Riverside Temescal Valley, N of Hwy 15, and adjacent to S side of Temescal Canyon Rd., above Horsethief Wash (E branch impeded by development) 370 Comment
  RSA721127  Cnicus benedictus Elisabeth Norland 1929-5-10 s.n. Riverside Lake Elsinore 1/8 mi. from Lake along roadside. Comment
  RSA0117458  Collinsia concolor Duncan S. Bell, Joy D. England 2010-5-20 1027 Riverside San Bernardino National Forest: Garner Valley, approximately 1.75 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1361 Comment
  SFV22081  Collinsia concolor D. S. Bell, V. Arvizu 2010-5-24 1100 Riverside San Jacinto Mountains Garner Valley, about 3 air miles southeast of junction of USFS Road 6S04 and USFS Road 6S13. 1386 Comment
  SJSU11586  Collinsia concolor N. D. Addy 1962-4-16 Riverside Railroad Canyon Rd c. 3.5 mi E of E shore, Lake Elsinore Comment
  RSA559444  Collinsia heterophylla Steve D. Boyd 1992-4-15 6868 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  UCR240038  Condalia globosa var. pubescens A. C. Sanders, Tim Thomas, T. B. Salvato 2012-11-1 40512 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south of the Chuckwalla Mtns., along Bradshaw Trail 1.5 km NW of Augustine Rd. junction, large wash on SW side of road 727 Comment
  CAS-BOT-BC215980  Convolvulus Steve Boyd; Tim Ross 1991-6-14 6405 Riverside Paloma Valley, between Sun city and Murrieta, E of Hwy I-215, rolling hills just SW of jtn of Briggs Rd. and Scott Rd. Comment
  UCR120851  Convolvulus simulans D. E. Bramlet 1993-4-14 2327 Riverside Gavilan Hills, Black Rocks area, NE of Black Rocks and 1.2 km south of Cajalco Rd., east of orange groves 445 Comment
  UCR252808  Convolvulus simulans Ana Hernandez, Karyn L. Drennen 2014-5-9 052 Riverside Perris Aguanga Basin, Santa Ana Mountains, foothills. Sycamore Creek Conservation Easement. 40 meters east of Campbell Ranch Road, 90 meters north of intersection with Indian Truck Trail 365 Comment
  RSA619541  Conyza bonariensis D. L. Banks 1997-5-5 1990 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  UCR132920  Cordylanthus rigidus John Wear 1998-7-8 s.n. Riverside San Jacinto Mtns., Pine Meadow in eastern Garner Valley, R-Ranch, just east of Hwy 74, between Gold Hill and Thomas Mountain 1402 Comment
  RSA226545  Cordylanthus rigidus subsp. setiger C. W. Tilforth 1970-9-2 304 Riverside Common at lower elevation along fire road to Santa Rosa Mountain. Comment
  RSA412309  Cordylanthus rigidus subsp. setiger H. de Forest, Jack Rempel 1933-10-29 18676 Riverside Snow Creek Canyon. 655 Comment
  RSA80553  Cordylanthus rigidus subsp. setiger Percy C. Everett, E. K. Balls, Lee W. Lenz 1952-7-1 17282 Riverside 3 mi. W. of jct with road south from Idyllwild along Hwy 74. 1067 Comment
  POM49087  Corethrogyne filaginifolia P. A. Munz, I. M. Johnston 1924-7-26 8713 Riverside South of Banning. 976 Comment
  RSA259260  Corethrogyne filaginifolia P. A. Munz 1938-8-14 15383 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2438 Comment
  SD229082  Corethrogyne filaginifolia Dick Schwenkmeyer 2011-8-25 656 Riverside Thomas Mountain, Tool Box Springs Campground 1857 Comment
  UC63361  Corethrogyne filaginifolia E. A. Zumbro 1902-10-1 363 Riverside Riverside Comment
  UCD130860  Corethrogyne filaginifolia R. N. Raynor 1933-3-31 s.n. Riverside Moreno Valley. Comment
  RSA0042779  Cornus nuttallii Elwood Fordham 1951-5-26 s.n. Riverside San Jacinto Mtn. Dark Canyon. 1828 Comment
  CSUSB946  Coronopus didymus Oscar F. Clarke, James K. Ryan 1969-5-28 Riverside City of Riverside. Yard of 1021 Spruce Street, growing as weed. 335 Comment
  UCR90792  Coronopus didymus A. C. Sanders, G. K. Helmkamp 1996-3-17 17975 Riverside Coachella Valley, North Palm Springs (Garnet) I-10 at Indian Ave., north of Garnet Ave. 244 Comment
  RSA281246  Coryphantha alversonii H. G. Rush 1951-6-6 185 Riverside 35 miles north of Blythe on Hwy 95 76 Comment
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Jan 23 2012
  UCR110454  Crassula aquatica D. E. Bramlet 1998-4-22 2606 Riverside Perris-Aguanga Basin region, French Valley area, 305m east of Washington Road and 10m north of Rawson Road, 6m west of the San Diego Canal. 447 Comment
  UCR174165  Crassula connata A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32639 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  UC1121548  Crocanthemum scoparium var. vulgare A. E. Wieslander 1929-1-25 39 Riverside Bautista Creek San Jacinto Quad. 762 Comment
  CAS-BOT-BC181569  Crossosoma bigelovii Annie M. Alexander; Louise Kellogg 1941-4-24 2074 Riverside Gorge of Dry Morongo Creek, Morongo Valley 640 Comment
  POM182213  Crossosoma bigelovii P. A. Munz 1932-4-24 12398 Riverside San Jacinto Mountains: Snow Creek Canyon 457 Comment
  RSA721999  Crossosoma bigelovii Christopher Davidson, B. Gustafson 1977-4-7 5587 Riverside White water Canyon Rd., exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62. Near start of Angeles Crest Trail. 610 Comment
  UCD102967  Crossosoma bigelovii Rolf Y. Berg 1964-1-2 6207 Riverside Morongo Canyon. Comment
  UCR88544  Crossosoma bigelovii A. C. Sanders 1995-4-13 16491 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Devil's Garden, E end of the mtns., 2.1 mi west of Hwy 62 on Pierson Avenue and dirt extension, 1.7 mi above Sierra Blvd. 793 Comment
  CLARK-A1528-2644  Croton californicus Charles S. Papp 1963-6-29 310 Riverside Santa Ana River Comment
  RSA775444  Croton californicus Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4446 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
  UC570802  Croton californicus Margaret Stason 1927-3-12 Riverside Thousand Palms Colorado Desert Comment
  UCD141965  Croton californicus subsp. californicus Robert F. Thorne; W. A. Tilforth, L. Shultz, R. K. Benjamin, J Hogge 1980-4-16 54120 Riverside San Bernardino Mts.; along Whitewater River; E. of bridge and levee. Comment
  POM14988  Croton californicus var. mohavensis Mary F. Spencer 1922-3-29 246 Riverside Mecca -49 Comment
  RSA303502  Croton californicus var. mohavensis J. R. Shevock 1972-3-13 1402 Riverside Hwy 111, near Palm Springs 183 Comment
  RSA545238  Croton californicus var. mohavensis R. F. Thorne 1970-10 41888 Riverside San Bernardino Mountains- Whitewater canyon: ca. 1350 ft. near bridge and Whitewater Post Office to ca. 2000 ft. up the canyon toward fish hatchery. 610 Comment
  SBBG133561  Croton setiger S. D. White, A. Carey 2004-7-2 10573 Riverside San Jacinto Mtn foothills, Soboba Indian Reservation, Poppet Crk Cyn 549 Comment
  UCR18826  Croton setiger John C. Roos 1965-7-27 s.n. Riverside Elsinore Comment
  UCR89650  Crypsis schoenoides 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
  UCR258015  Cryptantha Mitch Provance, Seychelle Provance, Adey Tadesse 2003-5-24 503- 02 Riverside NW edge of Riverside, Santa Ana River bottom, just east of the 60 Freeway bridge 246 Comment
  JOTR33802  Cryptantha angustifolia La Doux, Tasha, B. Truesdell 2007-11-9 3300 Riverside Joshua Tree National Park. Pinto Basin; Fried Liver Wash, along Route 11 where the wash crosses the road (STOP1) 532 Comment
  JOTR35370  Cryptantha angustifolia Harding, Mitzi, J. Hoines, E. Kramer 2012-2-2 164 Riverside Joshua Tree National Park. southeast Coxcomb Mountains; SE facing slopes and steep drainages 164 Comment
  POM265289  Cryptantha angustifolia I. L. Wiggins 1937-3-9 8754 Riverside 5 miles west of Shaver's Well. Comment
  RSA517912  Cryptantha angustifolia Steve Boyd, T. S. Elias, Erika Winter 1986-2-18 1317 Riverside Mecca Hills, Colorado Desert: Painted Canyon N of Highway 195. Comment
  UC1229795  Cryptantha angustifolia Peter M. Ray 1949-3-5 1333 Riverside near 1000 Palms; Coachella Valley, Willis Palms Comment
  UCD119596  Cryptantha angustifolia R. L. Smith 1948-3-24 s.n. Riverside foot of Andreas Canyon. Comment
  UCR216676  Cryptantha angustifolia Jim Andre, T. La Doux 2009-3-10 11236 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  RSA782079  Cryptantha barbigera Duncan S. Bell 2009-3-9 118 Riverside Arica Mountains: east side of mountain range, west side of Rice Valley approximately 2.7 air miles northeast of Priest Well or approximately 3.3 air miles southeast of the ghost town of Rice. 244 Comment
  SBBG63624  Cryptantha barbigera M. N. Ackley 1928-3-11 43 Riverside Bridge Haven [Service Station in Whitewater, 1920s -1950] 426 Comment
  SD128709  Cryptantha barbigera Darley F. Howe 1980-4-16 Riverside 8.5 miles south of Highway 10 on Cornsprings Road, Chuckwalla Mountains 550 Comment
  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
  SD167193  Cryptantha barbigera var. fergusoniae A. C. Sanders Feb 1987 6976 Riverside Sonoran (Colorado) Desert; foot of Ra;bbit Peak on the trail up from the mountain from the east. 121 Comment
  SD186127  Cryptantha barbigera var. fergusoniae N. M. Fellows, A. C. Sanders and A. Strickland 1986-4-8 180 Riverside Oasis de Los Osos Preserve, off Snow Creek Canyon at the north foot of the San Jacinto Mountains. 488 Comment
  UCR226581  Cryptantha barbigera var. fergusoniae Jim Andre 2011-2-18 15827 Riverside Coachella Valley, north end of valley at base of Morong Canyon, 0.5 mi north of indian Canyon Road, 1 mi west of Hwy 62 473 Comment
  UCR132647  Cryptantha corollata 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
  UCR180142  Cryptantha corollata Mitch Provance 2003-4-26 9901 Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  JOTR33864  Cryptantha costata La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3050 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; sand ramps interspersed w/ basalt outcrops 349 Comment
  SD240917  Cryptantha costata Dave Silverman 2010-3-24 7824 Riverside South Palen Lake, Chuckwalla Valley, 5.1 km SE of Sidewinder Well, 2.7 km SW of Palen Dunes Dr., and 3.4 km N of Interstate 10 132 Comment
  POM368272  Cryptantha decipiens Anstruther Davidson 1893-04 s.n. Riverside Palm Springs. Comment
  UC1191073  Cryptantha dumetorum Francia Chisaki and Peter M. Ray 1952-4-6 2199 Riverside about 0.25 mi w Cottonwood Springs; Joshua Tree National Monument Comment
  UCR279374  Cryptantha dumetorum A. C. Sanders, Jim Malusa 2017-3-24 42952 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  CAS-BOT-BC218762  Cryptantha holoptera Catherine A. Toschi 1963-4-10 63 :120 Riverside Boyd Desert Research Center, 5 miles south Palm Desert 304 Comment
  RSA0124745  Cryptantha inaequata Duncan S. Bell, LeRoy Gross 2016-3-9 8840 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 1.75 air miles north of Gucci Spring. 551 Comment
  CAS-BOT-BC168489  Cryptantha intermedia A. C. Sanders; Seung-Chul Kim; Plant Taxonomy Class 2005-5-7 30040 Riverside Peninsular Range, Agua Tibia Mountains: UC Emerson Oaks Reserve, ca. 8 miles southeast of Temecula, S of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  CLARK-A1528-331  Cryptantha intermedia C. M. Flanagan 1973-5-31 OO 632 Riverside Morongo Indian Reservation 975 Comment
  RSA527836  Cryptantha intermedia Scott D. White 1991-5-10 91 -122 Riverside Hwy 79, immediately W of U. S. Forest Service campground at Dripping Springs. 549 Comment
  RSA674532  Cryptantha intermedia Scott D. White, Sandy Leatherman 2000-5-31 7990 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  RSA715938  Cryptantha intermedia Scott D. White, Angelia Carey 2004-4-5 10019 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  UC79456  Cryptantha intermedia C. R. Orcutt 1890-7-20 Riverside Hemet Valley Comment
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Mar 24 2011
  UCR133979  Cryptantha intermedia Mitch Provance, J. S. Ross 1998-3-27 MOR- 976 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon at mouth of Corral Canyon, c. 1 mile NW of VABM Mil (Peak 3620) 915 Comment
  RSA316876  Cryptantha maritima P. A. Munz, D. D. Keck 1922-4-9 4794 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  UC998315  Cryptantha maritima H. K. Wagnon 1944-3-12 325 Riverside Cathedral City Cathedral Canyon Comment
  UCR112400  Cryptantha maritima A. C. Sanders, T. B. Salvato 2000-5-16 23392 Riverside Sonoran (Colorado) Desert, Coachella Valley, under powerlines at gravel pits just south of the mouth of Thermal Canyon 30 Comment
  UCR244860  Cryptantha maritima Jim Andre 2012-3-19 21381 Riverside Sonoran (Colorado) Desert, Palen Mountains, along Palen Pass Rd at Palen Pass 383 Comment
  UCR52017  Cryptantha maritima var. maritima Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2180 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  UCSB41250  Cryptantha microstachys 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
  UC24693  Cryptantha muricata H. M. Hall Jul 1901 2250 a Riverside Fuller's Mills San Jacinto Mountains 1767 Comment
  UCR89718  Cryptantha nevadensis J. M. Stewart 1993-3-10 685 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; Corn Springs Rd, 2 mi south of Chuckwalla Rd. Comment
  UCR52069  Cryptantha oxygona D. C. Hawks 1988-3-27 s.n. Riverside between Aguanga and Anza, southeast of intersection of Dove and Sycamore Streets, south of Hwy 371. Tule Creek drainage, 1.75 mi airline northeast of Aguanga 762 Comment
  UCR280918  Cryptantha pterocarya var. cycloptera Fred M. Roberts 2016-3-5 7993 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
  UCR4405  Cryptantha pterocarya var. pterocarya Frank C. Vasek 1960-3-24 600324- 03 Riverside Western Colorado Desert, Deep Canyon, Palm Desert [Palm Springs Museum's Deep Canyon Sanctuary] Comment
  SBBG87846  Cryptantha racemosa A. C. Sanders, D. Charlton, B. Pitzer 1986-3-3 6129 Riverside N foot of the Chuckwalla Mtns, 2.75 mi airline SE of Desert Center 365 Comment
  UCR268083  Cryptantha utahensis Jim Andre 2012-4-11 20678 Riverside Mojave Desert, Joshua Tree National Park, Hidden Tank Picnic Area, 1.4 miles southwest of paved road (Utah trail) to Cottonwood Spring, c. 8 miles south of North Entrance Station, north end of Hexie Mountains 1077 Comment
  RSA593993  Cucurbita foetidissima D. L. Banks, Elizabeth Hedge Banks 1996-5-2 0937 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along the broad alluvial benches just to the SE of the gate to the Preserve. 448 Comment
  UC1714451  Cucurbita foetidissima H. M. Hall 1900-5-29 Riverside Riverside Comment
  SBBG122657  Cucurbita palmata R. E. Riefner 2006-8-2 06 -349 Riverside vicinity of Alicante Dr at Jamawag Rd, N of Leon Rd; Lakeview Mtns 550 Comment
  CAS-BOT-BC224592  Cuscuta californica var. papillosa S. B. Parish 1896-4-1 4130 Riverside Palm Springs, Colorado Desert Comment
  RSA653582  Cuscuta campestris A. C. Sanders, D. E. Bramlet, Mihai Costea, T. Salvato 1999-10-15 23171 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. S of Eden Hot Spr. [UTM 10km cell: 11S MH-9E, 4N. Mt. Rudolph] 433 Comment
  POM48532  Cuscuta salina P. A. Munz 1924-6-21 8202 Riverside On Cressa, alkaline dry flats, Lake Elsinore. 372 Comment
  UCR92615  Cuscuta subinclusa Scott D. White 1995-8-23 3563 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  UCR120409  Cycloloma atriplicifolium Mitch Provance 1998-5-25 876 Riverside Santa Ana River Wash, Riverside, 1/8 mile NW of Tequesquite Ave. and Gregory Rd. 229 Comment
  UCR263232  Cycloloma atriplicifolium A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41458 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 2.95 miles ESE of Cabazon, c. 0.84 mi. NNW (335 deg. ) of One Horse Spring, south of I-10 and SE of water bottling plant, edge of wind farm 452 Comment
  UCR92293  Cycloloma atriplicifolium Scott D. White 1995-8-23 3581 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  RSA0114882  Cylindropuntia echinocarpa Marc A. Baker 2014-2-16 17932 Riverside Big Maria Mountains, along the Midland-Vidal Road, 12.5 km WSW of Quien Sabe Point, 33km NNW of Blythe. 337 Comment
  RSA0088364  Cynodon dactylon Robert Vargas 2016-4-9 20 Riverside LA basin, White water canyon reserve. 536 Comment
  SEINET3926479  Cynodon dactylon Sears 1977-10-12 S 568 Riverside Corn Springs. Desert Palm Oasis.; 0 512 Comment
  RSA544300  Cynodon dactylon Steve Boyd 1991-7-13 6419 -B Riverside Temescal Canyon, W base of Gavilan Hills, site of old glass factory between Temescal Wash & I-15, just S of Cajalco Road. Comment
  UCR188893  Cyperus difformis Fred M. Roberts, S. Leatherman 2007-9-19 6597 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  RSA653218  Cyperus involucratus John Wallace 1991-5-18 31 Riverside Colorado River. Sec. 16, T2S, R24E. Approximately two miles south of Lost Lake Resort. Comment
  OBI68606  Cyperus rotundus K. E. Hoffmaster Jul-58 s.n. Riverside Indio Comment
  POM28816  Dalea mollis Marcus E. Jones 1906-4-27 s.n Riverside Indio. Comment
  RSA784943  Dalea mollis Duncan S. Bell 2012-2-12 3121 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  RSA480074  Dalea mollissima Steve Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2167 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  SEINET906526  Dalea mollissima H. M. Hall 1905-1 5792 Riverside 9 miles west of Coachella 30 Comment
  JOTR00878  Dalea mollissima Sipe, Frank 1958-3-10 235 Riverside Joshua Tree National Park. PINTO BASIN Comment
  POM182346  Dasyochloa pulchella Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring, Chuckwalla Mountains, Colorado Desert. Comment
  RSA782036  Dasyochloa pulchella Duncan S. Bell 2011-10-22 2979 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
  SEINET191998 Image available Dasyochloa pulchella C. L. Hitchcock 1940-4-1 5907 Riverside Joshua Tree NM ; 1 mi below Cottonwood Springs Comment
  UCD65767  Dasyochloa pulchella H. Clemons 1952-1-1 Riverside Idyllwild. Comment
  UCR167795  Datura wrightii T. B. Salvato, Melissa Clemons 2005-6-23 1321 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  SBBG103861  Daucus pusillus M. A. Patten 1992-5-7 92 -30 Riverside Santa Rosa Plateau, along Via Vaquero at Via Oesta, ca. 5 km W of Temecula Comment
  UC63254  Deinandra fasciculata H. M. Hall 1904-5-30 4966 Riverside vicinity Riverside; Highgrove 365 Comment
  CAS-BOT-BC294103  Deinandra kelloggii H. M. Hall 1901-6-1 2420 Riverside San Jacinto Mountains. In the vicinity of Strawberry Valley 1828 Comment
  CAS-BOT-BC294114  Deinandra kelloggii H. A. Dutton 1899-6-12 s.n. Riverside Elsinore - Warm Springs Valley 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
  SD211549  Deinandra mohavensis Justin M. Wood, Scott D. White and Brandy Ulrich 2008-7-15 23 Riverside Aguanga Basin / San Jacinto Mountain foothills: West of Anza Valley, adjacent to Cave Rock Road. Approximately 1/4 mile East of Cahuilla Indian Reservation. (Anza) 1214 Comment
  RSA398684  Delphinium parishii Emery M. Whilton 1937-3-19 s.n. Riverside taken in the foothills near Palm Springs, Coachella Valley Comment
  UCR16947  Delphinium parishii D. H. Wilken 1966-3-26 770 Riverside Sonoran (Colorado) Desert/ San Bernardino Mtns., East ridge along Whitewater Canyon 610 Comment
  UCSB1982  Delphinium parishii subsp. parishii Sager, Ginny 1960-4-1 Riverside White Water Canyon Comment
  SBBG122777  Delphinium parryi A. Parikh 1990-4-17 152 Riverside 0.4 km S of Potrero Crk, 4.1 km ENE of Gilman Hot Springs 665 Comment
  UCR102837  Delphinium parryi A. C. Sanders 1997-4-3 20176 Riverside Lake Skinner area, N edge of large clay patch adjacent to the E side of the Skinner entrance road, c. 1-2 km NE of Borel Road. 473 Comment
  RSA0020469  Delphinium parryi subsp. parryi Walter Wisura, W. Steinmetz 1993-5-29 4917 Riverside PCT S of Hwy 74, near Table Mountain road Comment
  RSA688853  Dendromecon rigida Scott D. White, Michael Honer 2003-5-13 9255 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon washWhitewater Canyon, ca. 2 miles north of Bonnie Bell. 579 Comment
  UCR176929  Dendromecon rigida Tracy Tennant, J. S. Ross 1998-4-30 MOR- 70 Riverside San Bernardino Mtns., Morongo Indian Reservation, hills west of the mouth of Potrero Canyon, 0.2 mi. NE of hill 3030 854 Comment
  RSA262099  Dendromecon rigida subsp. rigida E. W. Lathrop 1971-3-24 7468 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  SD232141  Deschampsia danthonioides Scott D. White, Justin M. Wood 2008-6-19 12267 Riverside San Jacinto Mountains, Meadows at Baldy Mountain. Comment
  UC857002  Descurainia obtusa subsp. adenophora P. A. Munz 1922-7-4 5975 Riverside Kenworthy; San Jacinto Mts. 1417 Comment
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Mar 25 2011
  CAS-BOT-BC43362  Descurainia pinnata subsp. glabra E. A. McGregor 1917-3-19 738 Riverside Colorado Desert. Indio Sands. U.S.Date Garden. Comment
  RSA329752  Dicentra chrysantha Gary D. Wallace 1966-4-16 468 Riverside Scandia Canyon betw. Murrieta and De Luz along De Luz Cr. Santa Ana Mtns. 701 Comment
  RSA502502  Dicentra chrysantha Steve Boyd 1989-6-11 3722 Riverside Vail Lake area, recently burned hills SE of lake, S of Hwy 79. 488 Comment
  IRVC51  Dichelostemma capitatum subsp. capitatum Don Pfirrmann 1965-4-24 HS 0099 Riverside Upper San Juan Creek Camp; Ortega Hwy [74]. Peninsular Ranges, Santa Ana Mountains Comment
  CAS-BOT-BC292184  Dicoria canescens Marcus E. Jones 1924-10-1 s.n. Riverside Whitewater Comment
  CAS-BOT-BC292194  Dicoria canescens Marcus E. Jones 1924-10-1 s.n. Riverside Whitewater Comment
  CAS-BOT-BC292201  Dicoria canescens S. B. Parish 1912-10-8 8366 Riverside Salton Basin. Indio -6 Comment
  CDA4516  Dicoria canescens L. C. Cordill 1962-11-2 Riverside Northwest corner of Sunrise Way & McCallum Way, Palm Springs. 0 Comment
  UCR214871  Dicoria canescens A. C. Sanders 2010-3-15 37402 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
  UC666420  Dieteria asteroides var. asteroides Annie M. Alexander and Louise Kellogg 1941-5-28 2258 Riverside 3 mi n Palo Verde; Colorado Desert 106 Comment
  RSA554294  Digitaria sanguinalis Scott D. White 1992-2-25 92 -7 Riverside Santa Rosa Plateau, between Sandia and De Luz Creeks, ca. 1.5 (air) mi. W of Sandia Canyon; 7 miles SW of Murrieta. 305 Comment
  UCR117345  Dimorphotheca sinuata Mitch Provance 1998-3-21 247 Riverside Glen Avon, Jurupa Rd., c. 0.25 miles west of Camino Real. 244 Comment
  CHSC1758  Diplacus brevipes E. Thomas 1940-5-26 Riverside Temecula Canyon. Comment
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Mar 27 2011
  SEINET1906983  Diplotaxis muralis O. F. Clarke 2002-1 Riverside Riverside; UCR Botanical Garden. 351 Comment
  RSA0012650  Distichlis spicata LeRoy Gross, Caitlin Elam 2013-5-14 6077 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., Started near 33.66575N, 116.66716W. 1332 Comment
  UCR2330  Distichlis spicata F. M. Reed 1906-4-29 944 Riverside Riverside, in the Santa Ana River bottom near the racetrack below Chinatown 244 Comment
  JOTR32476  Ditaxis lanceolata Herskovits, Tasya 2011-5-25 12 Riverside Joshua Tree National Park. Cottonwood Mountains; Pinto Basin road; Convergence of large, sandy, open southeast flowing wash and Cottonwood Canyon (Stop 1) Comment
  RSA576024  Ditaxis lanceolata Christopher Davidson 1979-4-4 7736 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  UCR144104  Ditaxis lanceolata Scott D. White 2001-4-3 8262 Riverside Sonoran (Colorado) Desert, Shavers Valley, near the I-10 Freeway, c. 15 miles east of Indio junction of I-10 and Calif. SR 111, adjacent to powerline access roads at unnamed freeway exit accessing pump station 473 Comment
  UCR200301  Ditaxis lanceolata Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11225 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains, western base of the Chocolate Mountains, small canyon c. 1.25 mi due north of Imperial Co. line and c. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range 549 Comment
  UCD142319  Ditaxis serrata G. L. Webster; R. Hildreth 1966-12-10 7470 Riverside C. 7-8 mi NE of Mecca on Cal. 195. 198 Comment
  UCD142301  Ditaxis serrata var. californica C. W. Tilforth 1976-7-20 1211 Riverside Colorado Desert. Along power line road N.E. of Chiriaco Summit between Indio and Desert Center Comment
  RSA530747  Dithyrea californica Albert J. Perkins 1916-4-16 s.n. Riverside Palm Springs. Comment
  UCR97251  Dodecatheon clevelandii Scott D. White 1997-2-9 4677 Riverside Peninsular Range, Elsinore Basin; Temescal Valley: SW of Hwy I-15 between Indian Truck Trail and Lake Street exits, c. 0.5 mi east of Glen Eden 460 Comment
  JEPS53492  Draba corrugata var. saxosa F. M. Reed 1908-7-11 2517 Riverside summit of San Jacinto Peak 3291 Comment
  RSA709974  Draba cuneifolia Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4592 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  RSA82946  Drymocallis glandulosa R. M. Straw 1953-6-5 454 Riverside Fuller Mill Creek Camp, on Idyllwild to Banning Rd. Comment
  SD138002  Dryopteris arguta Darin L. Banks, Steve Boyd 1995-2-16 51 Riverside Cleveland National Forest, Agua Tibia Wilderness Area; north slope AguaTibia Mtn., south of Dripping Springs Alcove, east of Woodchuck Trail Comment
  RSA423468  Dudleya Lester H. Cushman 1932-5-8 s.n. Riverside Near Pedley, close to Santa Ana R. [River]. Comment
  JEPS49925  Dudleya lanceolata W. L. Jepson 1901-5-17 1222 Riverside Riverside Comment
  RSA544387  Dudleya lanceolata Steve Boyd 1991-6-14 6402 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
  UC147249  Dudleya lanceolata C. M. Wilder 1905-6-1 584 Riverside Wilder's Canyon Juniper Hills Comment
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Apr 2 2011
  UCR216953  Dudleya multicaulis John Dvorak, Karyn L. Drennen, Rose Cook 2010-4-29 02 Riverside Perris-Aguanga Basin, Gavilan Hills, Estelle Mountain, 145m west of main road to mining site on south, 25m east of smaller dirt road, in north-south drainage. 392 Comment
  RSA388337  Dudleya multicaulis Steve Boyd 1986-5-7 1823 Riverside Temescal Canyon Alberhill Mountain: lower slopes of S flank just east of clay mine area 427 Comment
  RSA751925  Dudleya pulverulenta Scott D. White, Justin M. Wood 2009-5-22 12930 Riverside San Jacinto Mts: Old Control Road, below Halfway Spring. 793 Comment
  CAS-BOT-BC109612  Dudleya saxosa subsp. aloides L. R. Abrams 1926-3-27 11128 Riverside Between Whitewater and Cabazon. Comment
  UC64466  Echinocereus engelmannii subsp. engelmannii H. M. Hall 1897-4-17 452 Riverside White-water 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
  UC69324  Echinodorus berteroi F. M. Reed 1903-6-13 668 Riverside Lakeview Comment
  UCR243742  Elaeagnus angustifolia G. F. Pratt 2013-8-2 s.n. Riverside Peninsular Range, 6.8 miles SE (162 deg. ) of Anza/Hwy 371 at Contreras Rd., near intersection of Terwilliger Rd. and Nickerson Rd. 1266 Comment
  UCR25867  Elatine brachysperma John C. Roos 1952-4-16 5539 Riverside Edgemont, near Box Springs 488 Comment
  CAS-BOT-BC112734  Eleocharis geniculata W. R. Dudley 1903-12-29 s.n. Riverside Palm Springs Comment
  SD260146  Eleocharis geniculata Mitch Provance 2012-8-1 712 4 Riverside Colorado Desert: Thousand Palms Canyon Road, A+-2/3 of the way up into the canyon. (Myoma 7.5'Q) 139 Comment
  UCR256087  Eleocharis macrostachya G. D. Wallace 2003-7-8 4032 Riverside Peninsular Range; San Jacinto Mountains, Hidden Lake 2652 Comment
  SBBG101695  Eleocharis palustris S. Boyd, T. Ross 1991-6-14 6382 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
  CAS-BOT-BC113300  Eleocharis parishii Samuel B. Parish 1907-4-22 6145 Riverside Western base of the Colorado desert, Palm Canyon. 200 Comment
  UCR169395  Eleocharis parishii T. B. Salvato, John F. Green 2004-5-27 605 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
  RSA613950  Eleusine indica A. C. Sanders 1994-7-27 15163 Riverside Riverside: Santa Ana River between the San Bernardino County line and the Market Street Bridge., 117 deg 22.5'W, 34 deg 01'N.) 246 Comment
  RSA769710  Elymus glaucus E. W. Lathrop 1973-6-28 7438 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  UC38188  Elymus glaucus H. M. Hall Jun 1 1901-Jul 1 1901 2269 Riverside vicinity of Strawberry Valley San Jacinto Mountains 1584 Comment
  SEINET258475  Elymus glaucus subsp. glaucus Michael Curto, Linda Allen 1990-6-25 681 Riverside San Bernardino National Forest ; San Jacinto Mts ca 3 km SE of Pine Cove on NF Rd 5S10. 1830 Comment
  HSC101780  Elymus hispidus J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13203 Riverside 1470 Comment
  POM8455  Emmenanthe penduliflora Mary F. Spencer 1920-4-2 349 Riverside Palm Springs, Colorado Desert. 122 Comment
  UCR22033  Emmenanthe penduliflora Steve Boyd 1980-5-11 237 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  UCR41358  Emmenanthe penduliflora N. M. Fellows 1985-3-16 107 Riverside San Jacinto Mtns., Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mts, 1 mile west of Snow Creek Village 489 Comment
  CAS-BOT-BC131163  Encelia actoni Lewis S. Rose 1935-12-21 35680 Riverside Cabazon 609 Comment
  CAS-BOT-BC131166  Encelia actoni Jenkins; Street 1917-5-30 s.n. Riverside San Jacinto Comment
  RSA3224  Encelia actoni B. D. Stark 1930-3-18 s.n. Riverside 5 miles E of San Jacinto. 610 Comment
  UCR37412  Encelia actoni Steve Boyd 1981-5-22 s.n. Riverside Lakeview Mountains, 3 mi ESE of Lakeview below the summit of Mt. Rudolf 795 Comment
  UC111183  Encelia californica F. M. Reed 1907-2-2 1211 Riverside near Prenda Station; Lincoln Heights Comment
  RSA0069673  Encelia farinosa Cheryl Sevilla, Sarah J. De Groot, Duncan S. Bell 2015-2-10 5 Riverside In the Bear Creek drainage of the Santa Rosa Mountains. 2.3 air miles west of Lake Cahuilla; south of La Quinta; north of Devil Canyon; southwest of Coachella Valley. 193 Comment
  RSA0088362  Encelia farinosa Phung Hoang 2016-4-9 16 Riverside LA basin, White water canyon reserve. 536 Comment
  SBBG99399  Encelia farinosa W. L. Halvorson 1977-3-8 77 -77 Riverside ca. 1 mi S of entrance to Joshua Tree Nat Monument Comment
  UCR251901  Encelia farinosa Jim Andre 2013-3-27 24825 Riverside NE Colorado Desert, east side of Riverside Mountains, along Hwy 95, 13.2 mi south of Vidal Junction 126 Comment
  RSA515198  Encelia farinosa var. phenicodonta Steve Boyd, Orlando Mistretta 1986-3-13 1470 Riverside West side Palen Mts.: NE of Desert Center. Comment
  NY70188  Ephedra aspera L. M. Shultz 1985-4-10 8330 Riverside Chuckawalla Mountains, 1 mile west of Astec Well and 11.7 miles south of highway (I-15) 615.7 Comment
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Apr 5 2011
  RSA383873  Ephedra californica Ora M. Clark 1929-2-23 1517 Riverside South of Cabazon Comment
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Mar 13 2011
  RSA650256  Ephedra californica David B. Dunn 1948-1-25 3641 Riverside southeast of Banning Pass 1 mile S.E. of Cabazon. Comment
  SEINET3866930  Ephedra californica Howard C. Stutz 1979-12-31 8621 Riverside Palm Springs.; 0 Comment
  SFV17218  Ephedra californica J. W. Dole 1980-11-1 Riverside Snow Creek road, 1 mile from junction of Highway 111 and Interstate Highway 10. 360 Comment
  SEINET10532236  Ephedra californica var. funera A. K. Evans 1976-4-13 Evans 5129 Riverside Rocky slopes of Santa Rosa mountains. Comment
  CAS-BOT-BC81860  Ephedra trifurca Carl B. Wolf 1932-4-29 3122 Riverside Eastern Colorado Desert, 3 mi. So. of Rice on Blythe Road 213 Comment
  GMDRC9376  Ephedra trifurca J. M. Andre 2017-3-4 37176 Riverside along west side of US Hwy 95, 21.4 mi. south of Vidal Junction, just north of Big Maria Mountains 123 Comment
  UCD84926  Ephedra trifurca Chuck Hughes 2010-3-21 198 b Riverside About 2.3 miles south of Highway 62, next to railroad tracks. 225 Comment
  UCR208952  Epilobium canum subsp. latifolium N. C. Cooper 1943-9-11 922 Riverside San Jacinto Mtns., below Idyllwild 1372 Comment
  RSA6079  Epipactis gigantea Carl B. Wolf 1932-5-25 3662 Riverside Flat at mouth of east fork of Snow Creek, N Base of San Jacinto Mountains 671 Comment
  SD81654  Equisetum arvense Louis C. Wheeler 1931-10-4 214 Riverside San Jacinto Mountains, Strawberry Valley 1555 Comment
  UCR142069  Eragrostis intermedia A. C. Sanders 2002-11-21 25653 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  SBBG34550  Eragrostis mexicana T. L. Secrest 1950-3-11 Riverside near Indio Comment
  JEPS68612  Eremalche rotundifolia W. L. Jepson 1927-4-12 11680 Riverside Painted Canyon Colorado Desert, Mecca Hills, Painted Canyon 76 Comment
  POM312754  Eremocarpus setiger D. Taylor 1952-10-30 394 Riverside Santa Ana Mts., head of Sycamore Canyon-near Riverside. 457 Comment
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Mar 27 2014
  SBBG28429  Eremocarya lepida D. Myrick 1964-4-30 816 Riverside Pines to Palms Hwy 74, 15 mi W of Palm Desert 1219 Comment
  RSA0105505  Eriastrum densifolium subsp. austromontanum Christopher Davidson 1978-6-15 7381 Riverside Santa Rosa Mts. Road from Hwy 74 to Sta Rosa Mt., ca. 2 mi W of junction to Sta Rosa Spgs Campground. 2087 Comment
  UC1929913  Eriastrum densifolium subsp. austromontanum Scott D. White, Angelia Carey 2004-7-2 10569 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. San Jacinto 7.5' Quad. Comment
  CAS-BOT-BC514314  Eriastrum densifolium subsp. austromontanum C. W. Tilforth 1976-7-21 1222 Riverside C. 5 mi N of Idyllwild 1524 Comment
  RSA0104870  Eriastrum densifolium subsp. austromontanum Kathy Harper 1988-5-14 s.n. Riverside San Jacinto/Santa Rosa Mountains, Canyon Drive at Alpine Village, off Hwy 74. Comment
  UCR126207  Eriastrum densifolium subsp. densifolium Mark S. Brunell 1993-5-29 123 Riverside San Jacinto Mtns., Old Banning-Idyllwild Road, 0.4 km south of junction with Hwy 243 (the new road to Idyllwild), roadcut along both sides of road 683 Comment
  RSA0093001  Eriastrum eremicum subsp. eremicum Jim M. Andre 2012-4-11 20811 Riverside Joshua Tree National Park; western margin of Eagle Mtns, along road to Cottonwood Spr (Utah Trail), 0.6 mi. south of Cottonwood Visitor Ctr. 913 Comment
  UC159239  Eriastrum eremicum subsp. eremicum E. E. Schellenger 1911-4-24 Riverside s Palm Springs; Colorado Desert Comment
  UC2062556  Eriastrum eremicum subsp. eremicum Sarah J. De Groot with Robert K. Lauri 2005-7-7 5116 Riverside North foot of Mt. San Jacinto: Along Snow Creek Road just south of Highway 111, south of I-10. Comment
  SD239871  Eriastrum harwoodii Dave Silverman, Fred Sproul, Tammy Beyerl and Erin Bergman 2010-3-29 7875 Riverside East end of Chuckwalla Valley, W of Blythe, 1.3 m S of gas line frontage, 1.9 km S of I-10 and 8.5 km west of Nicholl's Warm Spring. 142 Comment
  UCR233934  Eriastrum harwoodii Duncan S. Bell 2010-5-1 903 Riverside Sonoran (Colorado) Desert, Arica Mountains, c. 8.6 air miles west of Rice and 6.8 air mi. NW of Priests Well 286 Comment
  RSA0120673  Eriastrum harwoodii E. C. Jaeger 1939-4-2 s.n. Riverside Mission Creek, Colorado Desert. Comment
  UC1929491  Eriastrum sapphirinum Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10506 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; West side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains Comment
  UCR140741  Eriastrum sapphirinum A. C. Sanders 2004-5-11 27852 Riverside Elsinore Basin Region, Alberhill Mountain, ridgetop overlooking Walker Canyon and I-15 Fwy 488 Comment
  UCR35052  Eriastrum sapphirinum L. B. Ziegler 1967-6-15 156 Riverside Hwy 79; approximately 1 mi south of Sage 762 Comment
  RSA0135760  Eriastrum sapphirinum subsp. dasyanthum Sarah J. De Groot, Robert K. Lauri 2005-7-7 5114 Riverside Western San Jacinto Mountains: Along Chimney Flat Road/Old Control Road 5S08, vicinity of Chimney Flat. 1421 Comment
  UCR59697  Eriastrum sapphirinum subsp. dasyanthum Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3533 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, hills just to SW of the dam 489 Comment
  RSA524241  Ericameria brachylepis Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4128 Riverside Vail Lake area, E flank of 'Big' Oak Mtn, S of E summit. 610 Comment
  UCR101569  Ericameria linearifolia Bern Schwenn 1998-4-11 s.n. Riverside San Bernardino Mountains, Mission Creek, along Pacific Crest Trail and slope on E side of canyon. 823 Comment
  UCR243518  Ericameria linearifolia Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21091 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, upper watershed on east ridge, 1.1 mi south of radio tower, c. 6 mi. south of town center of Yucca Valley 1207 Comment
  UCR58879  Ericameria linearifolia Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3227 Riverside Peninsular Range, Vail Lake area, sandstone ridge between Kolb Creek and Temecula Creek, forming peninsula at SW end of Lake. Comment
  POM359410  Ericameria linearifolia Anstruther Davidson 1927-6-1 s.n. Riverside Riverside County Comment
  POM10310  Ericameria palmeri var. pachylepis Stephen Grout s.n. Riverside Riverside, W of house near tannery, Rubidoux. Comment
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Jun 9 2012
  POM194706  Ericameria palmeri var. pachylepis H. M. Hall 1927-10-22 12296 Riverside Wildomar. Comment
  CAS-BOT-BC299537  Ericameria paniculata Lewis S. Rose 1946-12-25 46307 Riverside 5 miles east of Cabazon, San Gorgonio Pass Comment
  CAS-BOT-BC299538  Ericameria paniculata Lewis S. Rose 1935-12-21 35677 Riverside Whitewater Wash, 3 mi. SE Palm Springs Station 304 Comment
  SD224830  Ericameria paniculata B. Pitzer 1996-11-11 2930 Riverside Orocopia Mts: Salt Creek Wash, at intersection w/ SR211, 4 rd. mi. S of Bob's Cabin. Hayfield 15' USGS Quad. 274 Comment
  SD43541  Ericameria paniculata Philip A. Munz 1946-10-20 11585 Riverside Cottonwood Springs, Joshua Tree National Monument. 1064 Comment
  UC86755  Erigeron breweri var. jacinteus H. M. Hall 1901-6 2322 Riverside ridges and peaks near Tauquintz; San Jacinto Mountains 2690 Comment
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Nov 25 2011
  UC68919  Erigeron divergens H. M. Hall 1905-4-27 5881 Riverside Chuckawalla Bench Comment
  RSA19448  Erigeron foliosus I. W. Clokey 1935-8-21 6961 Riverside E of Keen Post Office 1350 Comment
  UCR175219  Erigeron foliosus Jennifer H. Jones 2006-6-6 399 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; lower ele. part of San Juan Loop Trail, N of Upper San Juan Campground 518 Comment
  UCR183332  Erigeron foliosus Mitch Provance 2003-5-5 4415 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UCR96422  Erigeron foliosus Scott D. White 1996-8-1 4432 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 Comment
  LA105134  Eriochloa aristata var. aristata John C. Roos; 1985-12-22 5962 Riverside Deep Canyon, Coachella Valley, 0.25 NW of Valerie Jean, W of Hwy 86, SE 0.25 -30 Comment
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Mar 23 2014
  UCD65739  Eriochloa contracta Edward G. Wegenek 1970-8-24 Riverside Southeastern part, collected in the Blythe area. Comment
  LA205573  Eriodictyon crassifolium Anna Lang; 1971-4-24 251 Riverside San Jacinto Mountains, Hwy 74, 3 mi. W of Mountain Center 1219 Comment
  RSA455014  Eriodictyon crassifolium N. R. Zabriskie, W. M. Zabriskie 1971-4-24 398 Riverside Water service road above crossing of Deep Canyon, Santa Rosa Mts. 1317 Comment
  UC495189  Eriodictyon crassifolium Philip A. Munz 1932-4-24 12390 Riverside Snow Creek Canyon; San Jacinto Mts., Snow Creek Canyon 457 Comment
  SD260256  Eriodictyon crassifolium var. crassifolium A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42396 Riverside Peninsular Range: UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site (Pechanga 7.5'Q) 465 Comment
  UC455939  Eriodictyon crassifolium var. crassifolium F. M. Reed 1905-7-4 813 Riverside Coldwater Canyon [Santa Ana Mtns., near Glen Ivy] Comment
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May 22 2012
  UCR235079  Eriodictyon crassifolium var. crassifolium A. C. Sanders, John F. Green 2012-6-1 40234 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, SE of I-15 junction with Horsethief Cyn. Rd., 7 miles N of Lake Elsinore 381 Comment
  SBBG65116  Eriodictyon crassifolium var. nigrescens V. Duran 1933-7-1 3489 Riverside near Santa Rosa 1676 Comment
  UCR42550  Eriodictyon trichocalyx B. G. Pitzer 1986-4-26 0188 Riverside San Bernardino Mtns., Whitewater Canyon, c. 4.5 mi. north of Hwy I-10 on Whitewater Canyon Road 734 Comment
  UCSB5480  Eriodictyon trichocalyx var. trichocalyx Ullman, Sydney 1956-4-14 Riverside Whitewater Canyon 16 miles south of Banning Comment
  SD181397  Eriogonum apiculatum Louis Wheeler 1945-10-7 6412 Riverside San Jacinto Mountains; divide between West Fork Snow Creek and North Fork San Jacinto River 2377 Comment
  SEINET13262873 Image available Eriogonum apiculatum L. C. Wheeler 1945-1 6412 Riverside divide between West Fork Snow Creek and North Fork San Jacinto River 2378 Comment
  CAS-BOT-BC242791  Eriogonum davidsonii Susan G. Stokes 1933-7-1 106 Riverside Near Idyllwild, San Jacinto Mts. Comment
  RSA766422  Eriogonum davidsonii Ralph Hoffmann 1929-9-7 999 Riverside San Jacinto Mtns. 1646 Comment
  UCR281912  Eriogonum deflexum A. C. Sanders, Jim Malusa 2017-9-19 43339 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, canyon 4.65 km SW (211 deg. ) of Tabaseca Tank 744 Comment
  CLARK-A1528-736  Eriogonum fasciculatum I. Rauch 1968-3-6 Riverside Riverside Comment
  SEINET273053  Eriogonum fasciculatum A. C. Sanders 1997-4-3 20142 Riverside Lake Skinner area; near N foot of Black Mtn slopes S of Crown Valley. UTM 10km cell: MH-9E 2N. Domenigoni Valley 655 Comment
  CAS-BOT-BC249952  Eriogonum fasciculatum var. foliolosum James L. Reveal; Caroline G. Reveal 1972-8-6 2842 a Riverside Along California Highway 71, north of the junction of Highway 74 at Elsinore, 2 miles north of Ilsinore [Elsinore] Comment
  LA206786  Eriogonum fasciculatum var. polifolium A. M. Johnson; 1932-8-18 4133 Riverside San Jacinto Mountains, along road, down Banning side Comment
  RSA393344  Eriogonum fasciculatum var. polifolium N. R. Zabriskie, Walter Zabriskie 1972-3-28 479 Riverside North Canyon, Andreas Canyon watershed, east slope San Jacinto Mts. 610 Comment
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Oct 1 2011
  RSA613762  Eriogonum fasciculatum var. polifolium B. Pitzer 1997-4-20 3195 Riverside Lakeview Mtns: Warren Rd., just before it connects with Pulsar View Rd., ca. 1 air mi. N of Juniper Flats Rd. 518 Comment
  RSA650862  Eriogonum fasciculatum var. polifolium C. J. Humphrey, Herbert Humphrey, E. T. Bartholomew 1936-6-7 50 Riverside In desert 15 miles north [E?] of Riverside 366 Comment
  RSA708051  Eriogonum fasciculatum var. polifolium Scott D. White, Angelia Carey 2004-4-16 10168 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
  RSA773186  Eriogonum fasciculatum var. polifolium Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4919 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
  CAS-BOT-BC253486  Eriogonum gracile Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore Comment
  CAS-BOT-BC253496  Eriogonum gracile James L. Reveal; C. Rose Broome 1987-6-27 6602 Riverside Along the road to Dunkel Spring (Esperanza Avenue) southeast of Cabazon in the riverbed of the San Gorgonio River, San Gorgonio Pass 541 Comment
  RSA698434  Eriogonum inflatum J. R. Bruff 1927-10-8 1 -L Riverside Thousand Palms. Comment
  UCSB1449  Eriogonum inflatum Ullman, Sydney 1956-4-14 Riverside East of Indio Comment
  RSA393584  Eriogonum inflatum var. inflatum Grinnell s.n. Riverside Andreas Canon Comment
  UC849551  Eriogonum inflatum var. inflatum I. W. Clokey, B. C. Templeton 1930-4-9 4683 Riverside n Palm Springs; Colorado Desert 170 Comment
  RSA785068  Eriogonum maculatum Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 76 Riverside Belvedere road, turn from Hwy 74, uphill towards white rocks. Comment
  UCR118185  Eriogonum molestum George K. Helmkamp, E. A. Helmkamp 1998-6-27 4073 Riverside San Jacinto Mtns., Garner Valley, along Hwy 74 at Morris Ranch Rd. 1372 Comment
  UC85940  Eriogonum nudum var. pauciflorum A. W. Anthony 1896-7-13 Riverside San Jacinto Mountains 2438 Comment
  POM13683  Eriogonum parishii P. A. Munz 1922-6-29 5894 Riverside Santa Rosa. 2043 Comment
  RSA0094198  Eriogonum pusillum Jim M. Andre 2012-4-11 20795 Riverside Little San Bernardino Mountains; western margin of Eagle Mtns, along road to Cottonwood Spr (Utah Trail), 0.7 mi. north of Cottonwood Visitor Ctr. 956 Comment
  RSA783125  Eriogonum pusillum J. D. Olmsted 1958-3-30 s.n. Riverside Transition zone near southern entrance to Joshua Tree National Monument with southern drainage towards Salton Sea Comment
  SFV1022  Eriogonum pusillum P. M. Kennamer 1958-4-1 100 Riverside Palm Springs area. 0.75 miles from the Joshua Tree National Monument turnoff on U. S. Highway 99. 40 feet from west side of road. 213 Comment
  CAS-BOT-BC253013  Eriogonum reniforme Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring 60 Comment
  CAS-BOT-BC253016  Eriogonum reniforme Annie M. Alexander; Louise Kellogg 1941-5-15 2178 Riverside North base of Eagle Mountains, Colorado Desert 914 Comment
  CAS-BOT-BC253022  Eriogonum reniforme Alice Eastwood 1913-4-30 3075 Riverside Palm Springs Comment
  RSA777761  Eriogonum reniforme Thomas Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-27 1082 Riverside Chuckwalla Mountains, Corn Springs Road, Crossing of main wash which drains Chuckwallas on east side toward Chuckwalla Bench 427 Comment
  RSA0123084  Eriogonum saxatile Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8977 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  UC218022  Eriogonum saxatile P. A. Munz and I. M. Johnston 1922-5-6 5232 Riverside Smith Water Canyon Little San Bernardino Mts., Smith Water Canyon 1219 Comment
  UCR88540  Eriogonum saxatile A. C. Sanders 1995-4-13 16484 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Devil's Garden, E end of the mtns., 2.1 mi west of Hwy 62 on Pierson Avenue and dirt extension, 1.7 mi above Sierra Blvd. 793 Comment
  JEPS56257  Eriogonum thomasii W. L. Jepson 1914-5-18 6025 Riverside grade from Pinyon Well to Indio (County Well); County Well 304 Comment
  SEINET3087900 Image available Eriogonum thomasii George K. Helmkamp 1995-3-16 Riverside W of Rice Rd. 10.3 miles NE of Desert Center. On alluvial fan below rocky slopes of Coxcomb Mtns. Common. [UTN 10 km cell: PH-5E 4N. Coxcomb (S)] 198 Comment
  UC1595720  Eriogonum thomasii W. Wisura, J. Dolan, M. Wall 1992-3-24 4617 Riverside on Box Canyon Rd. 4.7 mi ne Mecca Comment
  UC517551  Eriogonum thomasii John Thomas Howell 1928-3-24 3534 Riverside Painted Canyon Colorado Desert, Painted Canyon Comment
  UCR136675  Eriogonum thomasii George B. Grant 1906-5-1 440 6741 Riverside Sonoran (Colorado) Desert, Palm Springs 244 Comment
  UCR166861  Eriogonum thomasii Chet McGaugh 2005-1-27 s.n. Riverside Sonoran (Colorado) Desert, E of Salton Sea, along Coachella Canal between siphons 26-27 NE of Dos Palmas Spring 24 Comment
  JEPS56246  Eriogonum thurberi J. Ewan 1930-4-17 2201 Riverside between S.P. Railroad and Snow Creek Comment
  RSA424978  Eriogonum thurberi H. de Forest, Rempel 1934-4-14 s.n. Riverside San Gorgonio Pass. 602 Comment
  UC310875  Eriogonum thurberi P. A. Munz 1925-5-20 9851 Riverside 2 mi e Aguanga Comment
  UCD101296  Eriogonum thurberi Steve Boyd; Tim Ross, Laurel Arnseth 1989-6-10 3681 Riverside Vail Lake area, benches of Arroyo Seco and slopes of adjacent sedimentary hills to E. 487 Comment
  UCD70599  Eriogonum trichopes Elizabeth Milauskas 1994-5-7 15 Riverside Palm Springs, 4 blocks W of Via Monte Vista (behind dam) on Agua Caliente Indian Reservation in a desert wash; full sun; dominant Larrea divaricata; annual herb on sandy/gravelly dry soil among shrubs, common, ht. 5cm, fls yellow. 158 Comment
  UCR187476  Eriogonum wrightii Theresa Johnson 2006-8-23 272 Riverside Peninsular Range; San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  UCR250710  Eriogonum wrightii var. nodosum John F. Emmel 1985-10-23 977 Riverside Southern Mojave Desert, Coxcomb Mountains, 0.1-0.2 air mi west-northwest of Peak 4416 1311 Comment
  RSA507964  Eriophyllum confertiflorum Steve Boyd, Carol Boyd, K. A. Boyd, L. Arnseth, Richard Noyes 1988-5-28 2282 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  SDSU4085  Eriophyllum confertiflorum H. Wedberg 1962-5-23 946 Riverside 4.8 miles from Hwy 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
  SEINET2050884 Image available Eriophyllum confertiflorum Marc Mittleman 1982-5-25 Riverside Gentry Experimental Ranch, Los alamos Road, Murrieta 366 Comment
  UCR241498  Eriophyllum confertiflorum Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 220 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  SEINET7048189  Eriophyllum confertiflorum Steven R. Hill, Andrew C. Sanders 2001-5-4 33698 Riverside Temecula; along new gas line right-of-way, north of Del Ray Road near junction with Calle Pii+-a Colada. Bachelor Mountain 7.5 minute U.S.G.S. quadrangle. Elevation about 1250 feet. Comment
  UCR90749  Eriophyllum multicaule Scott D. White 1995-4-5 2739 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  CAS-BOT-BC296969  Eriophyllum wallacei Catherine A. Toschi 1963-4-11 63 :127 Riverside Porcupine Wash, Joshua Tree National Monument; sandy wash 762 Comment
  UCR133961  Eriophyllum wallacei Mitch Provance, J. S. Ross 1998-3-27 MOR- 942 Riverside San Bernardino Mtns., Morongo Indian Reservation, road to Lion Cyn., c. 2.1 miles NE of Cabazon 549 Comment
  UCR178611  Eriophyllum wallacei Mitch Provance, Tracy Tennant 1998-6-16 MOR- 388 Riverside San Bernardino Mtns., Morongo Indian Reservation, 0.5 mi. north of junction of East Branch and Millard Canyon 1220 Comment
  UCR149781  Erodium brachycarpum Scott D. White, Michael Honer 2004-4-6 10055 Riverside Perris/Elsinore Basins, Temescal Valley: just N of the I-15 freeway and east of Indian Truck Trail, S and west of Lee Lake 396 Comment
  UCR178525  Erodium cicutarium R. G. Swinney 1967-2-12 0027 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek 335 Comment
  UC63848  Erodium macrophyllum H. M. Hall 1897-5-4 523 Riverside Alice Mine Comment
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Jun 2 2012
  RSA0125988  Erodium texanum Duncan S. Bell 2016-3-4 8814 Riverside Orocopia Mountains; northeast section of the range, in the hills to the west of Red Cloud Wash. 487 Comment
  UCR112971  Erodium texanum B. G. Pitzer, T. Tennant 1998-2-21 3537 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, on the lakebed, 1/2 to 3/4 mi.le SE of the pumping station 412 Comment
  SD128268  Erysimum capitatum R. Mitchel Beauchamp, R. C. Pierce 1971-3-27 2066 Riverside Along Coyote Canyon Road, Terwilliger Valley 1170 Comment
  JEPS48774  Erysimum capitatum var. capitatum Marjorie D. Clary 1932-5-13 963 Riverside Lost Horse Canyon Comment
  SEINET269260 Image available Erythranthe guttata M. A. Patten, S. J. Myers 1993-1 Riverside Along Tahquitz Creek and in neighboring creosote scrub behind the debris basin dam in Palm Springs 183 Comment
  RSA0019309  Erythranthe guttata John F. Emmel 1983-6-26 869 Riverside SE end San Jacinto Mts.; along trail from Tripp Meadow to Cedar Spring, ca. 0.7 air mile NNW of Pyramid Peak. 1829 Comment
  RSA0014889  Erythranthe tilingii P. A. Munz 1922-7-6 5992 Riverside San Jacinto Mountains. Tahquitz Valley. 2195 Comment
  UCR89834  Eschscholzia caespitosa Scott D. White 1993-5-27 1431 A Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  CLARK-A1656-689  Eschscholzia glyptosperma Lois Ann Scott 1979-3-2 Riverside Rancho Mirage 91 Comment
  JOTR35067  Eschscholzia minutiflora La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3519 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road. South-facing bajada with shallow Sonoran desert riparian corridors among desert pavement. Comment
  UCR132615  Eschscholzia minutiflora Kent Beaman 1983-4-9 06 Riverside Sonoran (Colorado) Desert, Coachella Valley, east of Hwy 62 on north side of Indian Ave., end of Worsley Road 549 Comment
  SD49372  Eschscholzia papastillii Thomas W. Whitaker 1958-4-30 Riverside Box Canon, midway between Mecca and Shaver Well Comment
  JOTR36455  Eschscholzia parishii La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3425 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; narrow north fork of large canyon w/ cobbley wash and steep rocky walls (Stop 2) 338 Comment
  UCSB18266  Eschscholzia parishii Day, Fran 1964-3-23 Riverside 4.2 miles N of south entrance to Joshua Tree National Monument 762 Comment
  SEINET4391055  Escobaria vivipara var. alversonii Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-1 Riverside Comment
  RSA495797  Eucrypta chrysanthemifolia Steve Boyd, Tim Ross, L. Arnseth 1989-3-11 2904 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 396 Comment
  RSA561814  Eucrypta chrysanthemifolia Steve Boyd 1992-4-14 6829 Riverside San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail 341 Comment
  JEPS1728  Eucrypta chrysanthemifolia var. chrysanthemifolia W. L. Jepson 1901-5-18 1263 Riverside San Jacinto River; San Jacinto Valley Comment
  POM13894  Eucrypta micrantha P. A. Munz, D. D. Keck 1920-4-9 4830 Riverside S base of Eagle Mtns. 213 Comment
  POM498192  Eucrypta micrantha Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA0123082  Eucrypta micrantha Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8975 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  RSA425013  Eucrypta micrantha J. C. Roos 1966-3-26 s.n. Riverside 2 miles SE of Desert Center. Comment
  UCR41849  Eucrypta micrantha A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6111 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  SBBG47468  Eulobus californicus N. C. Cooper 1944-5-6 1210 Riverside Whitewater Cyn 457 Comment
  UC1178614  Euonymus occidentalis var. parishii Peter Kamb 1948-7-11 1204 Riverside San Jacinto Mts., upper Hall Canyon San Jacinto Mts., Hall Canyon 1645 Comment
  UCR133322  Euphorbia albomarginata 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
  UCR16189  Euphorbia albomarginata John M. Spencer 1971-4-16 16 Riverside Sonoran (Colorado) Desert, Joshua Tree National Monument [now Park], 1 mi. north of Cottonwood Spring campground & Ranger Station [via Pinto Basin Rd.] 956 Comment
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Apr 5 2011
  UCR174440  Euphorbia albomarginata A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32475 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
  UCR26218  Euphorbia albomarginata John C. Roos 1951-9-25 5269 Riverside City of Riverside, Fairmount Park 259 Comment
  RSA678386  Euphorbia polycarpa Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10458 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
  UCR102049  Euphorbia polycarpa B. G. Pitzer 1997-10-19 3353 Riverside Sonoran (Colorado) Desert, north foot of Chuckwalla Mtns., Eagle Mtn. Road on south side of Hwy I-10, c. 0.8 mi. south of Hwy at powerline road 500 Comment
  UCR107449  Euphorbia polycarpa B. G. Pitzer 1997-10-19 3360 Riverside Sonoran (Colorado) Desert, north foot of Chuckwalla Mtns., Eagle Mtn. Road on south side of Hwy I-10, c. 0.8 mi. south of Hwy at powerline road 500 Comment
  UCR172248  Euphorbia polycarpa John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, City of Temecula, Immediately N and south of Murrieta Hot Springs Road along San Diego Aqueduct right-of-way 396 Comment
  RSA0015425  Euphorbia polycarpa var. polycarpa Marcus E. Jones 1929-9-16 s.n. Riverside Hayfield, Near Desert Center. Colorado Desert. Comment
  UCR230600  Euphorbia serpens A. C. Sanders 2011-9-15 39897 Riverside Sonoran (Colorado) Desert, Coachella Valley, agricultural area in Thermal; Colorama greenhouses/nursery at 83300 Ave. 58, 0.35 mi. east of Jackson St. near Calhoun St. -24 Comment
  UCR117317  Euphorbia spathulata A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 726 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  CAS-BOT-BC300509  Euphorbiaceae O. F. Clarke 2004-3-19 s.n. Riverside Peninsular Range: Riverside; UCR Botanical Garden 412 Comment
  CAS-BOT-BC459218  Euthamia occidentalis J. Ewan 1931-10-3 5214 Riverside Along Santa Ana River, 9 mi. NW of Corona Comment
  CLARK-A1528-4429  Fagonia laevis John C. Roos 1949-5-5 4095 Riverside Orocopia Mountains Comment
  LA209847  Fagonia laevis N. Dunn; A. M. Martin 1932-3-27 sn Riverside Cottonwood Spring Comment
  SBBG29416  Fagonia laevis D. Myrick 1968-3-4 1810 Riverside Palms to Pines Hwy out of Palm Desert Comment
  UCR50572  Fagonia laevis B. G. Pitzer 1988-3-10 650 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
  UCR90301  Fagonia laevis F. M. Reed 1920-3-25 4271 Riverside Sonoran (Colorado) Desert, Near Indian Wells Comment
  UC403448  Ferocactus cylindraceus Munz and Johnston 1992-5-7 5292 Riverside Keyes Ranch Little San Bernardino Mts. Comment
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Sep 4 2010
  POM12597  Ferocactus cylindraceus var. cylindraceus P. A. Munz 1922-5-7 5295 Riverside Mission Creek, Colorado Desert. Comment
  UCR130847  Festuca arundinacea S. J. Myers, C. McGaugh 1996-5-17 s.n. Riverside Santa Ana River Valley, Corona, River Road bridge over the Santa Ana River 165 Comment
  UCR117305  Festuca myuros A. C. Sanders, W. W. Wright, J. Latting, et al. 1975-5-4 734 Riverside Santa Rosa Plateau, Santa Ana Mtns., Mesa de Burro 610 Comment
  UCR162764  Festuca myuros S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  RSA0123281  Festuca octoflora Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8994 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  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
  UCR2415  Festuca octoflora F. M. Reed 1935-4-12 9236 Riverside San Jacinto River bottom, 5 mi south of Perris 427 Comment
  UCR252614  Festuca octoflora T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2013-3-27 7456 Riverside Perris-Aguanga Basin, Menifee, along Murrieta Road between Newport Road and La Piedra Road 457 Comment
  UCR41825  Festuca octoflora A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6125 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  GMDRC6590  Festuca perennis J. M. Andre 2012-6-15 30554 Riverside San Jacinto Mountains: west slopes of range along Poppet Flat Rd, Poppet Creek canyon, 3.2 mi. west of Hwy 243 1022 Comment
  CAS-BOT-BC474730  Ficus microcarpa R. E. Riefner, Jr. 2015-8-8 15 -220 Riverside City of Corona, S side of 91 Freeway, ca 120 ft. W of Lincoln St., N side of Corona del Rey Apartments 210 Comment
  RSA522702  Filago arizonica Steve Boyd, Timothy S. Ross, Laurel Arnseth 1990-3-29 3889 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
  RSA772134  Filago californica Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4980 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm). 750 Comment
  UCR13207  Filago depressa O. F. Clarke 1973-4-1 s.n. Riverside Sonoran (Colorado) Desert, just outside of Joshua Tree National Monument, near Cottonwood Canyon entry 671 Comment
  RSA343097  Filago gallica R. F. Thorne 1985-5-18 60617 Riverside Santa Rosa Plateau: Burned-over chapparral along Clinton Keith Road, near base of plateau. 427 Comment
  UCR116000  Foeniculum vulgare A. C. Sanders, D. Bramlet, E. J. Lawlor, C. L. Sanders 2000-1-16 23309 Riverside Shipley-Skinner Reserve, campground and boat launching area on the east side of Lake Skinner 457 Comment
  RSA502199  Forestiera pubescens Steve Boyd, Tim Ross, L. Arnseth 1989-6-11 3706 b Riverside Vail Lake area, sandy wash draining into Wilson Creek at E end of lake. Comment
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Oct 23 2017
  CAS-BOT-BC384197  Forestiera pubescens subsp. parvifolia Nancy Ryan Zabriskie; Walter Zabriskie 1971-8-20 426 Riverside Canyon above 1st turnout east side Santa Rosa Mountain Rd., 0.6 mi. above Hwy. 74 1524 Comment
  CAS-BOT-BC384198  Forestiera pubescens subsp. parvifolia Nancy Ryan Zabriskie; Walter Zabriskie 1970-5-2 290 Riverside About 50' SW of #291 (female). About 1/2 mi. up canyon east of turnout parking area 1/2 mi. up Santa Rosa Mt. Rd. from Hwy. 74. Santa Rosa Mountains 1371 Comment
  UCR26250  Fouquieria splendens John C. Roos 1937-4-28 1288 Riverside Sonoran (Colorado) Desert, 35 mi. west of Desert Center [near Cactus City] Comment
  UC872124  Fouquieria splendens subsp. splendens I. W. Clokey 1935-4-17 6752 Riverside Shafer Wells Comment
  UCSC001447  Fragaria vesca Peter Kamb 1947-5-17 518 Riverside San Jacinto Mts, Hall Canyon 1646 Comment
  RSA390198  Frangula californica subsp. cuspidata I. W. Clokey, E. G. Anderson 1935-8-21 6735 Riverside North of Idlewilde. Hillsides. 1650 Comment
  CAS-BOT-BC211664  Frankenia salina A. C. Sanders 2004-5-18 27896 Riverside Temescal Creek in Walker Canyon at foot of Alberhill Mountain, Lake Elsinore 7.5', Peninsular Range 377 Comment
  POM256728  Frasera parryi W. Pequegnat 1940-6-12 s.n. Riverside Near Los Puios Portrero. Santa Ana Mts. 823 Comment
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Jun 11 2012
  CAS-BOT-BC211017  Fraxinus velutina A. C. Sanders; J. Goetzen 1996-5-1 18133 Riverside San Bernardino Mtns.: Morongo Indian Reservation, along dirt road in Hathaway Crk. Cyn., N of Banning 915 Comment
  CAS-BOT-BC211018  Fraxinus velutina A. C. Sanders; O. F. Clarke 1991-6-10 11132 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Sprng Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  SDSU12976  Fraxinus velutina Michael G. Simpson 1999-10-27 2041 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  CHSC99050  Funastrum hirtellum LeRoy Gross 2005-3-3 1575 Riverside Colorado Desert; Northeastern Colorado Desert region: Palen Mountains, south side. Near end of old prospect road. 68 Comment
  POM11431  Galium andrewsii subsp. andrewsii Philip A. Munz 1922-7-3 5958 Riverside South side of Santa Rosa Mts. 1677 Comment
  JEPS56083  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4276 Riverside on road to Santa Rosa Mountain 1.8 mi above Mountain Home Spring (w-facing slope) Comment
  POM187408  Galium angustifolium subsp. angustifolium L. Crutcher 1933-8-1 14 Riverside Camp Tahquitz, San Jacinto Mtns. Comment
  POM337421  Galium angustifolium subsp. angustifolium F. R. Fosberg 1930-4-30 S 2225 Riverside Morongo Canyon. Comment
  RSA314462  Galium angustifolium subsp. angustifolium Robert F. Thorne, F. R. Fosberg, M. H. Sachet, Derral Herbst 1983-4-23 55473 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  RSA33614  Galium angustifolium subsp. angustifolium N. C. Cooper 1944-7-15 1539 Riverside Idlewild [Idyllwild], San Jacinto Mountains. 1524 Comment
  UC28161  Galium angustifolium subsp. angustifolium H. M. Hall July 1901 2509 Riverside vicinity of Strawberry Valley San Jacinto Mountains 1584 Comment
  OBI69999  Galium angustifolium subsp. gabrielense David Charlton 1988-5-21 1912 Riverside Thomas Mountain Rd, from N to S. West of Garner Valley and S of Lake Hemet on hwy 74 1829 Comment
  RSA556516  Galium aparine Julie Greene 1993-4-10 1136 Riverside San Jacinto Wildlife Area: Lower North facing slope with granitic outcrops. 476 Comment
  LA208517  Galium johnstonii Carl Epling; William Robison 1935-6-30 Riverside Mt. San Jacinto, between Pine Flat Camp and Fuller's Mill Comment
  JOTR34281  Galium munzii La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3296 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Ridgeline just south of Quail Mountain peak with steep loose slopes and rocky outcrops (Stop 6) Comment
  UCR116510  Galium porrigens var. porrigens A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20644 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  POM14223  Galium stellatum Philip A. Munz, D. D. Keck 1922-4-9 4792 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
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Apr 5 2011
  POM67937  Galium stellatum Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  LA93407  Garrya flavescens Nancy Ryan Zabriskie; Walter Zabriskie 1972-10-22 545 Riverside Santa Rosa Mountains, by Cactus Spring Trail crossing of Horsethief Creek, trubutary to Deep Canyon, N slope of mountains (Site 13) 1097 Comment
  CAS-BOT-BC158024  Garrya veatchii James R. Shevock 1976-11-24 5386 Riverside in the chaparral along California highway 74 near El Cariso Station. Santa Ana Mts., Cleveland National Forest 670 Comment
  UCR116585  Gaura sinuata A. C. Sanders, T. B. Salvato 2001-5-24 24364 Riverside Perris-Aguanga Basin, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. [Calle] Pina Colada 345 Comment
  POM358678  Geraea canescens Geo Cantwell 1935-4-10 s.n. Riverside Dos Palmas Springs, Salton Sea Comment
  UC896831  Geraea canescens C. L. Hitchcock 1940-4-4 5946 Riverside Pinto Basin Comment
  UCSB38371  Geraea canescens Nelson, Steve 1974-4-13 Riverside Two miles north of U.S. Highway 10 on Washington 152 Comment
  UCR108492  Gilia A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16122 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  UCR241258  Gilia T. B. Salvato, Tracy Tennant 1998-4-16 MOR- 1200 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Potrero Canyon about 1 mile above locked gate, east side of road near old corrals, tree stand P-03 976 Comment
  RSA527861  Gilia angelensis Scott D. White 1991-5-10 91 -139 Riverside Hwy 79, immediately W of U. S. Forest Service campground at Dripping Springs. 549 Comment
  SEINET3087629 Image available Gilia angelensis Ed LaRue 1989-3-30 Riverside Rancho Californica area, ca. 4 mi. W of Temecula, with Ave. del Oro as the N boundary. Comment
  UCR120579  Gilia angelensis Steven R. Hill, K. Kramer 2001-4-27 33475 Riverside Sonoran (Colorado) Desert Edge; San Gorgonio Pass, Cabazon, Morongo Indian Reservation, at Hadley's Orchard Store, junction of Apache Trail and Seminole Drive, north of Hwy I-10, Apache Trail Exit, 4 mi east of Banning 560 Comment
  UCR155063  Gilia angelensis A. C. Sanders, Kelly Volansky 2005-3-17 29217 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
  UCR166166  Gilia angelensis John F. Green 2005-2-10 s.n. Riverside Peninsular Range, E of Temecula, Rancho California, SE of intersection of Mesa Verdugo and Calle Vista, N of Pauba Valley and south of Buck Mesa 430 Comment
  UCR19161  Gilia angelensis John C. Roos 1966-3-22 s.n. Riverside Moreno Valley, Edgemont. Comment
  UCR86886  Gilia angelensis A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16283 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
  UCR91642  Gilia angelensis D. L. Banks, Steve Boyd 1995-5-9 0413 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, west of the Dripping Springs Alcove, west of Woodchuck Campground. 738 Comment
  UCR158711  Gilia capitata A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30006 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
  RSA776280  Gilia capitata subsp. abrotanifolia Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 882 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 915 Comment
  UC597591  Gilia diegensis Philip A. Munz 1937-5-30 15082 Riverside nw slope Santa Rosa Mts. 2133 Comment
  UC908484  Gilia diegensis Herbert L. Mason 1928-3-11 4252 Riverside Palm Springs Colorado Desert, Palm Springs Comment
  UCR237213  Gilia diegensis Duncan S. Bell, Valentin Arvizu 2010-5-10 988 Riverside San Jacinto Mountains, San Bernardino National Forest, Garner Valley, c. 1.1 air mi southeast of junction of FS Road 6S13 and FS Road 6S04 1349 Comment
  UC69315  Gilia latifolia L. A. Greata Apr. 1905 Riverside Coachella Comment
  SEINET12278786  Gilia latifolia S. B. Parish, Parish, W. F. 1880-1 253 Riverside White Water Rio Comment
  SEINET12278799  Gilia leptalea E. A. Purer 1935-1 6485 Riverside western edge of Colorado Desert Comment
  UCR26529  Gilia ochroleuca A. C. Sanders, S. Hagopian 1981-5-20 2124 Riverside Agua Tibia Mountains Area, Wolf Valley, SE of Temecula, at the junction of Road S16 with the road to the Pechanga Indian Reservation 351 Comment
  CAS-BOT-BC407624  Gilia ochroleuca subsp. exilis Frank W. Gould 1943-4-17 2108 Riverside 12 miles S of Corona on Elsinore Road Comment
  CAS-BOT-BC407801  Gilia ochroleuca subsp. exilis Steve Boyd 1986-4-19 1703 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road Comment
  RSA0016282  Gilia ochroleuca subsp. exilis Naomi Fraga, Valentine Arvizu, Elizabeth Kempton, Tim Thibault 2006-6-7 1699 Riverside East of Fobes Ranch Road, just south of Fobes Ranch. 1616 Comment
  UCR256909  Gilia ochroleuca subsp. exilis Naomi Fraga, Duncan S. Bell 2009-5-6 2705 Riverside Arroyo Seco SE of Dripping Springs Campground and Fire Station 518 Comment
  RSA0016284  Gilia ochroleuca subsp. exilis Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  RSA0017090  Gilia ochroleuca subsp. exilis D. L. Banks, Rashmi Pant 1996-5-13 1014 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along the base of a xeric, arkose ridge, in a small drainage, approximately 400 m E of the Dripping Springs Guard Station, just S of Hwy. 493 Comment
  RSA0017101  Gilia ochroleuca subsp. exilis Tamara Joy Hanna 1991-5-19 42 Riverside Off of Coyote Canyon Road (FWD dirt) on a walking trail approx. 3 miles from the gated (back) entrance to the Anza-Borrego State Park via Horse Canyon. Comment
  GMDRC9797  Gilia stellata J. M. Andre 2017-3-1 38000 Riverside Orocopia Mountains: north end of range, near BLM Rd # 133, 3.5 mi. SE of Interstate 10 (at Box Cyn/Cottonwood Spring Rd exits). 606 Comment
  POM13890  Gilia stellata P. A. Munz, D. D. Keck 1922-4-9 4822 Riverside South base of Eagle Mountains 3 miles NE of the 'Hayfields' 213 Comment
  RSA23227  Gilia stellata Ernest Braunton 1940-4-3 2018 Riverside Berdoo Canyon, 10 mi. E. of Indio. 304 Comment
  RSA771353  Gilia stellata Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4982 -a 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
  UCR94490  Glinus lotoides Steve Boyd 1981-9-2 s.n. Riverside Gavilan Hills, south of Lake Mathews on Cajalco Rd., 1 mi west of Archer Rd. Comment
  RSA627456  Glyceria striata Scott D. White 1998-7-31 6954 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park; San Jacinto Mts. 1707 Comment
  UC69360  Glyceria striata H. M. Hall Jul 1901 2553 Riverside Fuller's Mills Mountains; San Jacinto Mts. 2042 Comment
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Aug 13 2006
  SD181699  Gnaphalium Scott D. White 2000-5-30 7970 Riverside Ca. 1.0 mile southeast of the I-15/ El Cerrito Road junction adjacent to new housing construction. 334 Comment
  UCR98674  Gnaphalium californicum 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
  UCR138595  Gnaphalium canescens subsp. microcephalum D. L. Banks 1996-11-7 1215 Riverside Agua Tibia Mountains, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. At the end of the main road in the Reservation, 1.6 km east of the roads crossing with Pechanga Creek on the N fork of the creek, at the E end of the Reservation 415 Comment
  UCR130262  Gnaphalium leucocephalum Robert Noll 2003-9-24 s.n. Riverside San Jacinto River at Lake/Main St. crossing, east edge of San Jacinto 488 Comment
  POM12420  Gnaphalium palustre P. A. Munz 1922-9-6 6375 Riverside Hidden Lake, San Jacinto Mountains. 2637 Comment
  RSA198970  Gnaphalium palustre R. F. Thorne 1968-5-8 37578 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California 671 Comment
  UCR75535  Gnaphalium palustre A. C. Sanders 1993-5-12 14011 Riverside San Jacinto Valley, Hemet, SW corner of intersection of Florida Ave (Hwy 74) & Warren Rd., between new San Diego Aqueduct and Warren Road 460 Comment
  UCR1195  Gnaphalium stramineum Martha McCarthy 1960-4-24 s.n. Riverside Santa Ana Mtns, 20 ft from north side of Tenaja Rd., 11 mi from the junction with Washington Ave, Murrieta [vicinity of Squaw Mtn.] 701 Comment
  UCR158723  Gnaphalium stramineum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30031 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
  UCSB1696  Grayia spinosa Graney, Don 1953-3-21 Riverside Devils Garden, 11 miles east of White Water, Colorado Desert Comment
  UCR163666  Haplopappus acradenius John F. Green 2005-10-26 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley; ENE of Salton Sea State Park, along Coachella Canal 24 Comment
  UCR232068  Hedypnois cretica John F. Green 2008-4-24 13- 04 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris along Hwy 74, between Lazy Lizard Dr. and Wasson Canyon Rd. 504 Comment
  CAS-BOT-BC305419  Helianthus annuus Wesley Griesel 1960-8-24 215 Riverside Near Hemet 457 Comment
  POM360004  Helianthus gracilentus N. C. Cooper 1947-6-9 C- 2803 Riverside Los Alamos Canyon, Elsinore 762 Comment
  UCR72157  Heliotropium convolvulaceum Theo Glenn 1991-5-8 91- 80 Riverside Sonoran (Colorado) Desert, Big Maria Mtns, north of Blythe 378 Comment
  UC184860  Heliotropium convolvulaceum var. californicum E. E. Schellenger Riverside Santa Maria Mts. Comment
  RSA180421  Heliotropium curassavicum var. oculatum E. W. Lathrop 1959-9-11 4650 b Riverside 14 miles W of Murrieta Comment
  UCR49109  Heliotropium curassavicum var. oculatum James C. Dice, J. DeWald 1987-10-5 735 Riverside Santa Margarita Ecological Reserve, Santa Margarita River, near aqueduct crossing 245 Comment
  RSA0036782  Hemizonia fasciculata Andrew Haimov, April Sleigh 1992-5-7 82 Riverside East side of Davis Road, 1.5 miles north of Ramona Expressway, San Jacinto Wildlife Area. Comment
  RSA792714  Hemizonia kelloggii A. C. Sanders, John F. Green 2012-6-1 40231 Riverside Temescal Canyon, south of I-15 between Horsethief Cyn. Rd. and Hostettler Rd. 368 Comment
  UCR117087  Hemizonia kelloggii A. C. Sanders, T. B. Salvato 2001-5-16 24299 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 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
  UCR112808  Hemizonia paniculata A. C. Sanders 1997-5-1 20627 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
  UCR166795  Hemizonia paniculata R. E. Riefner Jr. 2004-8-27 04- 398 Riverside N of La Sierra Heights; NE (c. 0.25 mi) off Arlington Avenue, along dirt access road to Hidden Valley Wildlife Reserve 221 Comment
  UCR258629  Hemizonia paniculata T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-6-2 8061 Riverside Peninsular Range; Perris-Aguanga Basin, rolling hills just north of Franklin Street between Miramar and Channing Way, c. 1 mi northeast of Lake Elsinore 429 Comment
  UCR166800  Hemizonia pungens subsp. laevis R. E. Riefner Jr. 2004-8-27 04- 397 Riverside N of La Sierra Heights; NE (c. 1 mi) off Arlington Avenue, along dirt access road to Hidden Valley Wildlife Reserve 207 Comment
  UCR260875  Hemizonia pungens subsp. laevis A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-8 41573 Riverside Peninsular Range; Elsinore Trough, City of Lake Elsinore, vacant lot south of intersection of 3rd St. and Pasadena St., west of Birch St., near drainage channel from lake toward Temescal Creek 387 Comment
  UCR92288  Hemizonia pungens subsp. laevis Scott D. White, M. A. Patten 1995-8-16 3550 Riverside San Jacinto Valley, Just west of Hemet, valley floor and foothills at SE margain of Lakeview Mts. north of Florida Ave. (SR 74) and west of California Avenue 500 Comment
  RSA735944  Herniaria hirsuta subsp. cinerea Scott D. White, Justin Wood 2008-6-13 12103 Riverside Beaumont Badlands: San Timoteo Canyon, near El Casco Lake (private pond) E of the road. 579 Comment
  SEINET3196409 Image available Hesperocallis undulata John F. Green 2005-1 s.n. Riverside Sonoran (Colorado) Desert; Salton Basin, east of Salton Sea, c. 4 mi N of Niland; Coachella Canal right of way, between siphones 10 and 11, along county road west of canal (Wister 7.5' Q. ) 26 Comment
  CAS-BOT-BC508659  Hesperocallis undulata Lester Rowntree 1937-3-23 s.n. Riverside Coachella Valley near Hidden Springs Comment
  SD137589  Hesperocnide tenella Darin L. Banks, Steve Boyd 1995-3-16 104 Riverside Agua Tibia Wilderness Area. E of the Dripping Springs Alcove, N slope of Wilfhorse Peak, on the Wildhorse Trail 609 Comment
  SD240777  Hesperocyparis forbesii A. C. Sanders, T. B. Salvato, Kent Beaman 2011-11-3 39925 Riverside Peninsular Range: Santa Ana Mountains: near Sierra Peak on dirt road (Leonard Road) from Skyline Drive, c. 1/4 mile east of the Orange C. line (Black Star Canyon 7.5'Q) 883 Comment
  RSA91385  Hesperolinon micranthum F. W. Peirson 1922-5-19 3023 Riverside 2.5 miles NE of Murrieta 381 Comment
  RSA588842  Heterotheca sessiliflora subsp. echioides D. L. Banks, S. D. Boyd 1995-10-17 0785 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  CDA7958  Heterotheca villosa E. Johnson 1946-8-6 Riverside San Gorgonio Pass. 0 Comment
  UC729893  Heuchera hirsutissima Carl B. Wolf 1932-8-5 3977 Riverside San Jacinto Mts. summit of San Jacinto Peak; , summit of San Jacinto Peak 3293 Comment
  HSC66721  Hibiscus denudatus Christopher Davidson, Josephine Jones 1980-4-4 9961 Riverside W end of Orocopia Mtns., canyon and wash S of Oro Peak 518 Comment
  HSC27201  Hilaria rigida J. P. Smith, J. O. Sawyer 1973-6-10 6887 Riverside Joshua Tree National Monument. Comment
  SACT001282  Hilaria rigida Marcus Jones 1929-9-16 Riverside Comment
  UCR18998  Hoffmannseggia glauca John C. Roos 1965-9-5 s.n. Riverside Sonoran (Colorado) Desert, 17 miles west of Blythe 122 Comment
  LA45786  Hoffmannseggia microphylla E. M. Hyde; 1935-3-17 sn Riverside Palms to Pines Highway 182 Comment
  SDSU7779  Hoffmannseggia microphylla unknown 1952-4-27 Riverside Junction of All-American Canal and Highway east of Mecca. Comment
  SD187402  Hoita orbicularis Scott D. White, Angelia Carey 2004-5-7 10347 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills 548 Comment
  UCR150022  Hoita orbicularis Scott D. White, Angelia Carey 2004-5-7 10347 Riverside San Jacinto Mountains, Indian Creek and adjacent foothills 610 Comment
  POM229707  Hordeum brachyantherum subsp. californicum P. A. Munz 1937-5-27 14936 Riverside Overflow from Lake Elsinore. Comment
  RSA736245  Hordeum depressum Scott D. White, Justin M. Wood 2008-4-3 11804 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon. Morgan property, Alberhill area. 274 Comment
  UCR56703  Hordeum marinum subsp. gussoneanum Jeri Hirshberg 1989-5-3 s.n. Riverside Santa Rosa Plateau, south of town of Murrieta, west of Mesa de Burro 549 Comment
  UCR92715  Hordeum marinum subsp. gussoneanum A. C. Sanders, K. D. Jones, D. Malueg 1996-4-20 18061 Riverside San Jacinto Valley, San Jacinto River between Nuevo and Lakeview, from 11th to 13th Streets, E side of the river channel 433 Comment
  RSA595258  Hordeum murinum subsp. leporinum D. L. Banks, Elizabeth Hedge Banks 1996-5-2 0962 A Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, At the gate to the University of California-Emerson Oaks Reserve. 451 Comment
  RSA668671  Hordeum murinum subsp. leporinum Steve Boyd 2001-4-12 10418 Riverside Gavilan Hills Region: South base of Alberhill Mountain on flats north of Nichols Road and West of Pierce Street, in the vicinity of the site of Tera Cotta. Comment
  CAS-BOT-BC148555  Horkelia clevelandii Scott D. White 1996-8-1 4431 Riverside Idyllwild Area: Hwy 243 at Deer Springs trailhead and adjacent area - San Jacinto Mts. 1828 Comment
  UC2030122  Horkelia clevelandii Robert F. Thorne, J. P. Simon, and C. W. Tilforth 1969-6-24 38078 Riverside SAN JACINTO MOUNTAINS: San Bernardino National Forest. Above James Reserve in Hall Canyon. Comment
  UC44526  Horkelia clevelandii John Thomas Howell 1927-8-2 2913 Riverside Mt. San Jacinto, Strawberry Valley 1676 Comment
  RSA433956  Horsfordia newberryi C. M. Dammers 1936-2-1 s.n. Riverside Canyon behind Coral Reef Ranch, 4 miles west of Coachella Comment
  UC32853  Hulsea heterochroma H. M. Hall 1901-6-1 2048 Riverside s slopes in vicinity Chalk Hill; San Jacinto Mountains 1524 Comment
  POM12655  Hulsea vestita subsp. callicarpha P. A. Munz 1922-7-9 6405 Riverside Above Tamarack Valley. San Jacinto Mts. 3048 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
  UC169663  Hulsea vestita subsp. callicarpha S. B. and W. F. Parish Jul 1880 531 Riverside San Jacinto Mts Comment
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Mar 4 2008
  POM308643  Hymenoclea salsola Henry J. Ramsey, Henry J. Ramsey 1937-5-9 3206 Riverside Near Indio. Comment
  POM361068  Hymenoclea salsola Ora M. Clark 1929-3-27 1747 Riverside La Quinta Canyon, Colorado Desert. Comment
  SEINET269275 Image available Hymenoclea salsola Bern Schwen 1994-3-21 Riverside Joshua Tree National Monument ; Little San Bernardino Mountains along radio tower road in first canyon west of Pushawalla Canyon east of Upper Thousan 640 Comment
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Sep 7 2013
  RSA703812  Hymenoclea salsola var. salsola LeRoy Gross 2005-3-3 1596 Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W 207 Comment
  POM2920  Hypericum androsaemum I. M. Johnston 1916-08 s.n. Riverside Strawberry Valley Comment
  UCR34979  Hypochaeris glabra L. B. Ziegler 1968-5-14 293 Riverside San Jacinto Valley, vacant lots in city of San Jacinto. Interior Valley 473 Comment
  CAS-BOT-BC219743  Hyptis emoryi Dr. E. Rixford 1917-4-17 s.n. Riverside Coachella Valley Comment
  CAS-BOT-BC219746  Hyptis emoryi S. B. Parish 1896-4-4 4137 Riverside Palm Springs, (Agua Caliente), desert base of San Jacinto Mt. 213 Comment
  CAS-BOT-BC219772  Hyptis emoryi B. D. Stark 1930-4-1 1498 Riverside Near Cathedral City Comment
  JOTR31916  Hyptis emoryi La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2161 Riverside Joshua Tree National Park. North Hexie Mountains; large sandy side canyon draining into west Wilson Canyon with smaller braided ephemeral drainages running through 902 Comment
  LA61824  Hyptis emoryi Elizabeth McClintock; L. Erickson 1937-11-6 sn Riverside Box Canyon Comment
  RSA0040075  Hyptis emoryi Jim Andre 2014-1-27 26656 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
  UC1541662  Hyptis emoryi H. E. and S. T. Parks 1940-2-12 24170 Riverside Mouth of Santa Rosa Canyon 304 Comment
  UC1547001  Hyptis emoryi Leila M. Shultz and John S. Shultz 1985-4-18 8340 Riverside northern extension Chuckawalla Mountains; northern extension Chuckawalla Mountains 182 Comment
  RSA652940  Isocoma menziesii Mitch Provance 1999-3-28 1074 Riverside Belltown area, ''gravel pits'' just S of 26th St. and Hall Ave. 250 Comment
  CAS-BOT-BC69944  Isoetes howellii Robert F. Thorne; Earl Lathrop; P. Munz 1968-5-8 37568 Riverside Santa Rosa Plateau: On Mesa de Colorado, Rancho California. 670 Comment
  POM9788  Ivesia saxosa E. C. Jaeger 1921-11-15 254 Riverside Near Desert Queen Mine 1220 Comment
  RSA577517  Jepsonia parryi D. L. Banks, Steve Boyd 1995-2-16 0046 B Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., on the Dripping Springs Alcove, E of the Woodchuck Trail. 719 Comment
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Nov 14 2016
  UCR213858  Juglans californica Scott D. White, Justin M. Wood 2009-5-22 12927 Riverside San Jacinto Mountains, Halfway Spring, accessed via Old Control Road 1159 Comment
  RSA781322  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37145 Riverside Box Springs Mtns. Foothills, Riverside, dry arroyo on UCR campus SE of student health center and just north of North Campus Drive 320 Comment
  CAS-BOT-BC109879  Juncus Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore. Comment
  RSA741055  Juncus arcticus var. mexicanus Scott D. White, Justin M. Wood 2008-6-5 12062 Riverside Quinn Flat Meadow. 1372 Comment
  UCR54608  Juncus balticus Jack Easton 1988-10-14 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, Santa Rosa Springs Ranch west of the town of Murrieta Comment
  POM14373A  Juncus bryoides Phillip A. Munz 1922-5-20 5473 Riverside Kenworthy, San Jacinto Mountains 1433 Comment
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May 29 2011
  UCR234428  Juncus bufonius Jeremiah George 2012-3-4 s.n. Riverside Peninsular Range; Elsinore Trough, Lake Elsinore area, south of Nichols Rd. and east of Baker St. 387 Comment
  UCR260557  Juncus bufonius T. B. Salvato, Matt Malle 2015-3-31 8101 Riverside Perris-Aguanga Basin, Menifee, vacant lot north of Newcomb Substation, at southwest corner of Lazy Creek Road and Murrieta Road 432 Comment
  RSA741016  Juncus effusus Scott D. White, Justin M. Wood 2008-6-18 12233 Riverside K Flat Meadow. 1433 Comment
  SEINET3878466  Juncus effusus Faulkner 1978-4-27 480 Riverside 3 miles east of Blythe, shores and flood plains of Colorado River.; 0 137 Comment
  RSA5234  Juncus macrandrus Carl B. Wolf 1932-8-5 3958 Riverside Trail from Tahquitz Valley to San Jacinto Peak, San Jacinto Mountains. 2744 Comment
  RSA17254  Juncus macrophyllus Carl B. Wolf 1936-6-17 7959 Riverside Santa Ana Mountains, Tenaja Road: road to La Cienaga, 1.4 mile off Ortega Highway. 610 Comment
  RSA368166  Juncus macrophyllus M. B. Dunkle 1933-7-19 3667 Riverside Strawberry Valley. San Jacinto Mountains. 1707 Comment
  UC1106414  Juncus macrophyllus Peter Kamb 1948-7-11 1197 Riverside Hall Canyon San Jacinto Mts. (above stream) 1645 Comment
  UCR89810  Juncus macrophyllus Scott D. White 1993-5-27 1413 Riverside North Alberhill Ranch, hills north of Walker Canyon 488 Comment
  UCR177325  Juncus mexicanus Scott D. White, Michael Honer 2003-5-27 9416 Riverside Gavilan Hills / Temescal Canyon, hills and canyons c. 1 mile north of the I-15 Fwy and 1 mi east of Lake Street exit, south and/or west of unnamed peak '2349 549 Comment
  UCR24952  Juncus oxymeris A. C. Sanders 1980-7-18 1669 Riverside San Jacinto Mtns, Thomas Mountain; along a small dry creek in Spillway Canyon about 2 mi SW of Hwy 74 along Thomas Mountain Road 1463 Comment
  RSA715349  Juncus textilis A. C. Sanders, T. B. Salvato 2006-6-2 33076 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Canyon/Scott Road and north of Clinton Keith Road. 518 Comment
  UC126712  Juncus triformis F. M. Reed 1908-7-12 2481 Riverside Surprise Lake; San Jacinto Mountains Comment
  RSA604871  Juniperus californica Scott D. White 1995-12-24 3797 Riverside Lakeview Mountains. Juniper Flats Rd. ca. 1 1/2 road miles N of jct. w/ SR 74. 609 Comment
  UC168866  Justicia californica unknown May 1 1906-May 10 1906 101 Riverside Palm Springs Colorado Desert, Palm Springs Comment
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Nov 30 2009
  RSA0027476  Kallstroemia californica Deidre Conocchioli, April Garbat 2013-9-5 40 Riverside Sonoran Basin and Range- Chuckwalla Valley. From Blythe, head west on I-10 for 23 miles. Exit at Ford Dry Lake, turn left to cross over interstate and turn right on Chuckwalla Valley Rd., Site is 1.5 miles down on south side of rd, near intersection of Graham Pass Rd. 120 Comment
  RSA424819  Keckiella antirrhinoides Jeannette B. Edge 1934-4-22 18935 Riverside Jurupa Mountains, Mountain slope 549 Comment
  RSA543179  Keckiella antirrhinoides Steve D. Boyd, Tim S. Ross, Mike Hammitt 1991-5-2 6118 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  RSA666638  Keckiella antirrhinoides A. C. Sanders, Mark A. Elvin, Julie Vanderwier 2002-4-22 25000 Riverside The Badlands: summit of Mt. Eden, SW of Beaumont. 686 Comment
  SD234523  Keckiella antirrhinoides Wayne Law, Jun Hu 2000-5-16 13 Riverside Peninsular Ranges; Santa Ana Mtns.: Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi S of Corona. 395 Comment
  SEINET13768165  Keckiella antirrhinoides I. W. Clokey, C. B. Clokey, B. C. Templeton 1930-4-15 4742 Riverside Perres-Gavilan Peak 500 Comment
  RSA740082  Koeleria macrantha Scott D. White, Justin M. Wood 2008-6-16 12147 Riverside Meadow at Quinn Flat. 1378 Comment
  UCR20551  Koeleria macrantha W. W. Mayhew 1977-6-12 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  SBBG114130  Krameria bicolor E. Collins 1995-4-9 Riverside Corn Springs Cmpgrd 518 Comment
  UCSB7292  Krameria bicolor Haller, Norman 1953-5-24 Riverside 10 miles So. of Palm Springs Indio Rd. Palms to Pines Hiwy 74 914 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
  JOTR30063  Krameria erecta La Doux, Tasha, Mike Bell, Katy Mathews, Alice Miller, Amber Holt 2007-5-23 1694 Riverside Joshua Tree National Park. Stop #2 = Near Geology Tour rd., N of Malapai Hill 1286 Comment
  NY43122  Krameria grayi J. B. Walker 1995-5-4 1417 Riverside San Bernardino National Forest, Hwy 74, 3km E of junction with Santa Rosa Mtn Rd 1400 Comment
  UC449696  Krameria grayi unknown 1917-5-19 3858 Riverside Palm Canyon; near palm grove Comment
  RSA543136  Lamarckia aurea Steve Boyd, Timothy S. Ross, Mike Hammit 1991-5-2 6125 Riverside Vail Lake region, summit of Oak Mountain, N of lake near Henderson benchmark. 823 Comment
  UCR83330  Lamarckia aurea A. C. Sanders 1994-5-15 14489 Riverside Mount Rubidoux, a rocky granitic hill on the NW side of Riverside on the E bank of the Santa Ana River 400 Comment
  POM352657  Lamarckia aurea N. C. Cooper 1947-4-5 2108 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  UCR247428  Lamium amplexicaule Mike Lahti 2008-3-10 s.n. Riverside San Jacinto, 950 N. Ramona Blvd. Comment
  UCR97246  Lamium amplexicaule Scott D. White 1997-2-28 4705 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  POM301536  Lamium amplexicaule J. C. Roos 1938-3-12 1642 Riverside Orchard, La Sierra. Comment
  CAS-BOT-BC293708  Larrea tridentata Mona Bourell 1987-4-14 3279 Riverside BLM California Conservation Area, Hwy 195, spur off of Box Canyon. Near Mecca 150 Comment
  CHSC104026  Larrea tridentata Steve Boyd; T. Morgan, A. Virgen, S. DeGroot, V. Arvizu,T. Thibault 2004-5-14 11236 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains regions: Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  RSA652049  Larrea tridentata G. S. Eleiott 1949-3-15 s.n. Riverside Colorado [Desert] 15 miles east of Palm Springs. 244 Comment
  RSA761045  Larrea tridentata Thomas Stoughton, Jackie McConnaughy, Andrew Monks, M. Volke 2010-4-21 151 Riverside N of Desert Center. Jct of Hwy 177 and Kaiser Rd. W of Kaiser Rd. N of Hwy 177. 335 Comment
  RSA775495  Larrea tridentata Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4413 Riverside Whitewater canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor center (Whitewater Trout Farm) in the vicinity of Bonnie Bell. Between N33.94217, W116.64118 and N33.94722 W116.64305. 487 Comment
  UC65002  Larrea tridentata E. E. Schellenger 1904-10-18 28 Riverside Chuckwalla Bench; Colorado Desert Comment
  UCR124632  Larrea tridentata B. C. Templeton, I. W. Clokey 1930-4-9 1076 Riverside Sonoran (Colorado) Desert, North of Palm Springs 400 Comment
  UCR148319  Larrea tridentata John F. Green 2005-1-12 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 22 and 23, south of Salt Creek 23 Comment
  UCR227438  Larrea tridentata Thomas R. Stoughton, J. McConnaughy, D. Monks, M. Volke 2010-3-30 110 Riverside Northwestern Colorado (Sonoran) Desert, Coachella Valley Preserve, 4 mi from Ramon Road on Thousand Palms Canyon Road 381 Comment
  SD140185  Lasthenia californica Scott White 1993-4-20 1201 Riverside Estelle Peak, Gavilan Hills. Lake Mathews Quad. Comment
  SEINET7073409  Lasthenia californica 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
  JEPS15067  Lasthenia coronaria H. M. Hall 1903-3-28 3714 Riverside vicinity of Riverside 426 Comment
  RSA522764  Lasthenia coronaria Steve Boyd, Tim Ross, L. Arnseth 1990-3-29 3871 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
  RSA743825  Lasthenia coronaria Sarah J. De Groot, J. Mark Porter 2005-3-9 4772 Riverside Whitewater Canyon, several miles north of I-10. 591 Comment
  UC1536903  Lasthenia coronaria G. H. True 1935-3-11 70 Riverside Sycamore Canyon Box springs 365 Comment
  UC55102  Lasthenia coronaria H. M. Hall 1903-4-1 3787 Riverside vicinity of Riverside 396 Comment
  RSA0008495  Lasthenia glabrata subsp. coulteri Steve Boyd, David E. Bramlet 1996-4-19 8626 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
  UCR92635  Lasthenia glabrata subsp. coulteri G. R. Ballmer 1996-4-14 s.n. Riverside Perris-Aguanga Basin, Lake Elsinore area, south of Hwy I-15 along east side of Nichols Road 384 Comment
  HSC5141  Lasthenia gracilis R. A. Eagle 1963-4-8 9 Riverside San Jacinto Mtns.; Idyllwild-Banning Rd. Comment
  POM262944  Lasthenia gracilis J. C. Roos 1941-4-19 178 Riverside Reche Canyon - 'Plateau' [Label indicates San Bernardino Co.] Comment
  RSA691954  Lasthenia gracilis Scott D. White, Michael Honer 2003-4-9 8967 Riverside Hemet Area: Northeast corner of Devonshire Ave. and Warren Road, immediately southwest of 'Tres Cerritos.' Former chicken farm. 473 Comment
  CSUSB1273  Lathyrus laetiflorus Steve Kulju 1974-5-16 Riverside Santa Ana Mountains Murrieta. Tenaja Road, 1.5 miles from Washington Ave. Comment
  VVC1248  Lathyrus vestitus F. Zaebst 1959-3-24 s.n. Riverside S Calif, On U.S. 395 20 yds N of Hwy marker 34-36A btw Murrietta and N Fallbrook turn off (W side rd) 298 Comment
  POM306061  Lathyrus vestitus subsp. laetiflorus Henry J. Ramsey, Henry J. Ramsey 1937-5-30 1325 Riverside Santa Rosa Mountains. Comment
  RSA33850  Lathyrus vestitus subsp. laetiflorus N. C. Cooper 1944-4-22 1130 Riverside Banning, 732 Comment
  UCR216396  Lathyrus vestitus subsp. vestitus Mike Bell 2008-3-30 023 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, 5 miles SW of Murrieta, Punta Mesa Trail 537 Comment
  SBBG89554  Lathyrus vestitus var. vestitus J. Adams 1966-4-28 728 Riverside Santa Rosa Plateau, dirt rd from Murrieta to De Luz 762 Comment
  CDA6769  Laurentia fluviatilis A. C. Sanders 2004-2-14 27388 Riverside Riverside, 11th St. between Almond and Chestnut Comment
  POM361744  Layia H. M. Hall 1897-4-3 442 .5 Riverside Winchester. Comment
  UCR62095  Layia glandulosa G. R. Ballmer 1990-5-5 s.n. Riverside San Jacinto Mtns. Foothills, SE boundary of the San Jacinto Potrero land grant, just north of the Colorado River aqueduct, where road crosses creek at mouth of unnamed canyon to east Comment
  UCR93581  Layia glandulosa J. Hogan 1974-5-6 36 Riverside Mojave Desert, Joshua Tree National Monument (Park), Eureka Peak. NW edge of Covington Flat. (= VABM Eureka, 5516 ft.) 1677 Comment
  RSA612820  Layia platyglossa D. L. Banks 1997-3-1 1349 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Pechanga Creek, east of the ''Fiesta Grounds'' to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation. 423 Comment
  RSA660653  Layia platyglossa Giancarlo Massarotto 1981-4-11 31 Riverside Calico Road 11 miles east of Corona land mark. 200 yards S. of the road on hills SE of S Mathews Lake. 610 Comment
  RSA695600  Layia platyglossa Keith E. Hoffmaster 1937-6-6 s.n. Riverside Hemet Lake. Comment
  UC144246  Layia platyglossa C. F. Baker 1904-4-4 4120 Riverside Elsinore Comment
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Jul 4 2010
  UC30657  Layia platyglossa H. M. Hall 1901-6-1 2023 Riverside s side San Jacinto Mountains 1371 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
  POM361704  Layia platyglossa subsp. campestris Ora M. Clark 1929-4-6 1941 Riverside South of Hemet. Comment
  POM4843  Layia platyglossa subsp. campestris H. M. Hall 1902-04 2758 Riverside Vicinity of Winchester 427 Comment
  UCR193544  Layia ziegleri A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35614 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mile SW of Fleming Ranch, along dirt track 1555 Comment
  SD114841  Lemna gibba Wayne P. Armstrong 1983-10-8 1170 Riverside Santa Ana River, east of bridge where Highway 31 crosses river (north of Norco). 206 Comment
  POM13783  Lepidium dictyotum P. A. Munz, I. M. Johnston 1922-5-5 5153 Riverside Mystic Lake, near Moreno. 427 Comment
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Mar 20 2011
  CLARK-A1656-664  Lepidium fremontii Milton Walker 1978-3-10 Riverside Joshua Tree National Park Comment
  RSA429901  Lepidium fremontii Susan Hutchinson 1927-02 s.n. Riverside Waste places, Colorado Desert. Comment
  RSA429919  Lepidium lasiocarpum W. M. Zabriskie 1973-2-21 117 Riverside Upper Pipistrille Canyon, Deep Canyon drainage, north slope of Santa Rosa Mtns. site 17 854 Comment
  RSA649253  Lepidium lasiocarpum Faulkner 1978-3-15 280 Riverside 1 mi. W of Hwy 95, 25 mi. N of Blythe. 152 Comment
  RSA676157  Lepidium lasiocarpum Scott D. White 2001-4-3 8257 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10/SR 111. 396 Comment
  RSA703749  Lepidium lasiocarpum LeRoy Gross 2005-3-3 1570 Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  UCR104029  Lepidium lasiocarpum George K. Helmkamp, E. A. Helmkamp 1998-2-18 2714 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley; 0.3 mi south of Chuckwalla Rd. on Graham Pass Rd. 122 Comment
  CAS-BOT-BC89665  Lepidium lasiocarpum subsp. lasiocarpum Carl B. Wolf 1932-4-27 3029 Riverside Colorado Desert. Mecca - Blythe Road. 0.75 mile west of Utopia. 152 Comment
  RSA736758  Lepidium latifolium Scott D. White, Lynn Stafford 2007-6-27 11750 Riverside Santa Ana River floodplain just below Prado Dam. 134 Comment
  UCR112487  Lepidium latifolium A. C. Sanders, T. B. Salvato 2000-5-25 23405 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  RSA593901  Lepidium latipes var. latipes Steve Boyd, Dave Bramlet 1996-4-19 8606 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
  UCR60544  Lepidium nitidum K. Tomlinson, D. Kama, R. F. Thorne 1985-3-27 898 Riverside Santa Rosa Plateau, Mesa de Colorado 610 Comment
  UCR5978  Lepidium virginicum var. pubescens Joe Buriel 1966-3-26 s.n. Riverside Peninsular Range, Robb Road [=Lake St.], 1 mi south of Temescal Canyon Road, 2 mi northwest of Lake Elsinore, near RR tracks 427 Comment
  RSA604869  Lepidospartum squamatum Scott D. White 1995-12-24 3799 Riverside Lakeview Mtns: Ca 5 road mi SE of Davis RD/Ramona Expwy intersection. 610 Comment
  UC1008313  Lepidospartum squamatum Rimo Bacigalupi and L. R. Heckard 1953-5-5 4069 Riverside along Morongo Creek, along highway between Morongo Valley and Coachella Valley. 685 Comment
  UCR116305  Lepidospartum squamatum B. G. Pitzer 1998-2-1 3450 .2 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, alluvial fan on north side of lakebed, from paved road down to lakebed 427 Comment
  RSA0086969  Lepidospartum squamatum H. de Forest, Jack Rempel 1933-10-29 s.n. Riverside San Gorgonio Wash, near Snow Creek Canyon. San Bernardino Mts. Comment
  CAS-BOT-BC274377  Leptochloa panicea subsp. brachiata Malcom A. Nobs; S. Galen Smith 1948-9-3 489 Riverside 2 miles north of Indio Comment
  UC1100299  Leptochloa uninervia Malcolm A. Nobs and S. Galen Smith 1948-9-3 494 Riverside citrus grove 2 mi n Indio; Imperial Valley Comment
  UCR89814  Leptochloa uninervia George K. Helmkamp 1994-3-10 42- 16 Riverside Sonoran (Colorado) Desert, Indio Hills, canyon opening into Coachella Valley, 2 miles east of Thousand Palms on Ramon Road, and 1.3 miles north 122 Comment
  UCR90015  Leptochloa uninervia 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
  CLARK-A1528-3534  Leptodactylon pungens 1937-7-16 2649 Riverside Little San Bernardino Mountains 1523 Comment
  RSA359855  Leptosiphon androsaceus Steve Boyd 1986-4-2 1631 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  RSA73679  Leptosiphon floribundus F. W. Peirson 1922-4-28 946 Riverside Leach Canyon Near Lake Elsinore. 549 Comment
  RSA171374  Leptosiphon floribundus subsp. glaber J. D. Olmsted 1962-5-3 3534 Riverside Above old Santa Rosa Indian Village; SW of Santa Rosa Mountain. 1905 Comment
  POM12815  Leptosiphon liniflorus P. A. Munz 1922-6-23 5781 Riverside Hemet Valley, San Jacinto Mountains, [on Garner Ranch - 5784]. 1372 Comment
  SD232190  Lessingia glandulifera Scott D. White 2003-10-9 9822 Riverside San Jacinto Mountains: Pine Cove area. Dutch Flat. Reportedly once site of a golf course, now abandoned. 1753 Comment
  UCR269221  Lessingia glandulifera T. B. Salvato, Arlee Montalvo 2015-8-22 8234 Riverside San Jacinto Mountains, Apple Canyon Road, 1.35 air miles northeast of its junction with Hwy 74 1418 Comment
  UC1211957  Lessingia glandulifera var. glandulifera Otto T. Solbrig 1958-8-21 2770 Riverside 3.5 mi w of Keen Camp; Highway 74 Comment
  UCR151201  Lessingia glandulifera var. glandulifera Scott D. White 1999-7-9 7533 Riverside Peninsular Ranges; San Jacinto Mts region, Idyllwild Area: near Idyllwild Community Service District sewage ponds at terminus of USFS Road #S24.2 1433 Comment
  UCR251993  Lessingia glandulifera var. glandulifera A. C. Sanders, T. B. Salvato 2014-7-2 41157 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  UC38244  Leymus triticoides H. M. Hall 1901-7-11 2392 Riverside vicinity of Strawberry Valley San Jacinto Mountains 1584 Comment
  POM12424  Lilium parryi Philip A. Munz 1922-9-6 6370 Riverside Meadow N of Tahquitz Valley, San Jacinto Mountains 2226 Comment
  RSA655086  Limonium perezii Scott D. White 1999-11-12 7633 Riverside Murrietta Area: Corner of Nutmeg and Clinton Keith. 410 Comment
  RSA723549  Limonium ramosissimum R. E. Riefner 2006-8-22 6 -398 Riverside Corona-La Sierra area, vicinity of Green River Rd. and Palisades Dr. 16 Comment
  UCR1211  Linanthus androsaceus Martha McCarthy 1960-4-24 s.n. Riverside Santa Ana Mtns., 0.25 west of Tenaja Rd., 12.6 miles from junction with Washington Ave., Murrieta Comment
  JOTR32137  Linanthus aureus subsp. aureus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2293 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy pediment/bajada surrounding granitic ourcrops near Stirrup Tank parking lot (Stop 1) Comment
  CAS-BOT-BC225697  Linanthus californicus E. W. Lathrop 1966-3-2 6049 Riverside 12 miles NW of Murrieta, Skyline Drive Road at junction of Wildomar and Los Alamos truck trail 877 Comment
  CAS-BOT-BC225698  Linanthus californicus T. Craig 1927-4-23 207 Riverside Glen Ivy Comment
  UCR24233  Linanthus dianthiflorus John C. Roos 1952-4-13 5529 Riverside Box Springs Mtns 488 Comment
  RSA676282  Linanthus jonesii Scott D. White 2001-4-3 8247 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  SBBG81480  Linanthus jonesii S. A. Junak 1983-3-24 1663 Riverside Pinto Basin Rd, 0.7 mi N of Hwy 10 533 Comment
  UC219561  Linanthus liniflorus P. A. Munz 1922-6-23 5781 Riverside Hemet Valley San Jacinto Mts. 1371 Comment
  RSA763404  Linanthus parviflorus Scott D. White, Angelia Carey 2004-4-5 9988 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UC737254  Linanthus parviflorus Frank W. Gould 1943-4-18 2149 Riverside 1 mi w Banning (foothills of the San Jacinto Mts.); San Jacinto Mts. Comment
  RSA559329  Linaria canadensis var. texana Steve D. Boyd, Tim S. Ross 1992-5-15 7413 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 671 Comment
  RSA435723  Linum lewisii N. C. Cooper 1944-5-6 1207 Riverside Whitewater Canyon. 457 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
  UCR84063  Lippia nodiflora A. C. Sanders, L. Ard 1994-7-11 15059 Riverside San Bernardino Mtns., Cherry Valley, irrigated landscaping at the Edward Dean Museum, Oak Glen Road, 1 mi north of Orchard St. 1000 Comment
  RSA0010986  Lithophragma affine Ora M. Clark 1929-3-29 1949 Riverside S. Hemet. Comment
  RSA0030797  Lithophragma affine subsp. mixtum N. C. Cooper 1944-5-21 1302 Riverside San Jacinto Mountains, west side. 915 Comment
  RSA657232  Loeflingia squarrosa J. M. Porter 2001-4-2 12328 Riverside Coachella Valley, Desert Hot Springs, S of Big Morongo Wash, along Indian Ave, just S of the jtn. with Pierson Avenue. 396 Comment
  UCR18962  Loeflingia squarrosa John C. Roos 1952-5-14 5664 Riverside Perris-Aguanga Basin, 2 mi NW of Perris Comment
  JOTR32966  Loeseliastrum matthewsii La Doux, Tasha, Alice Miller and Victoria Sork 2009-5-3 2717 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west side of Queen Mountain; granitic outcrops with sandy ephemeral wash 1408 Comment
  CAS-BOT-BC342279  Logfia filaginoides Peter H. Raven 1958-5-17 12938 Riverside 3.4 miles south-east of Banning on road to Idyllwild, San Jacinto Mountains Comment
  UCR243130  Logfia gallica Kate Kramer 2012-5-8 256 Riverside Peninsular Range; San Jacinto Mountains, south side of Hwy 74 near cement-lined water flue at National Forest Lands boundary 576 Comment
  UCR232795  Lolium perenne subsp. multiflorum John F. Green 2008-4-16 0408- 49 Riverside Peninsular Range; Perris-Aguanga Valley, SSE of Romoland, powerline route north of McLaughlin Rd, between Palomar and Dawson roads 442 Comment
  RSA577753  Lolium perenne subsp. multiflorum F. M. Reed 1928-8-11 5871 Riverside Near Chino Comment
  SEINET1869725  Lolium rigidum Walter Graves 2002-1 502 -16 Riverside Riverside: grown at U.C.R. in Agricultural Operations Fields. 305 Comment
  OBI81581  Lomatium lucidum Coll. Tracey, Viola Call 1962-4-13 2132 Riverside On level ridge near head of Tin Mine Canyon. SE of Corona. 640 Comment
  UCR101401  Lonicera interrupta A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22215 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Middle Branch of Millard Canyon 1341 Comment
  POM17806  Lonicera subspicata var. denudata P. A. Munz 1923-6-14 7052 Riverside Glen Ivy Trail to Santiago Peak 1066 Comment
  SDSU13328  Lonicera subspicata var. denudata Ryan Jacobson, Jeremy Mass 2000-4-19 11 Riverside On banks of Stone Creek, Santa Margarita Ecological Reserve, along jeep trail going from south-side facility to north-side facility. About 1.5 miles from south-side facility. 183 Comment
  RSA314669  Lotus argophyllus var. argophyllus R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55495 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  RSA406140  Lotus grandiflorus var. grandiflorus N. C. Cooper 1949-6-29 4334 Riverside Idlewild, San Jacinto Mountains. 1524 Comment
  HSC85298  Lotus hamatus Steve Boyd 1986-5-7 1843 Riverside Temescal Canyon: terrace escarpment between Horsethief Wash and Indian Truck Trail, S of I-15 [Gavilan Hills] Comment
  RSA0123703  Lotus haydonii Duncan S. Bell, Thomas Stoughton 2016-4-12 9237 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 3.75 air miles northwest of Rabbit Peak. 698 Comment
  UCR157953  Lotus heermannii T. B. Salvato, A. C. Sanders 2005-5-17 910 Riverside San Jacinto Mtn foothills, San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Hwy 74 585 Comment
  UCR174614  Lotus heermannii Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 347 Riverside Peninsular Ranges; San Jacinto Mtns., Turnout south of Mt. Edna Road along Calif. Hwy 243 1143 Comment
  RSA753477  Lotus nevadensis Scott D. White, Justin M. Wood 2009-5-21 12858 Riverside San Jacinto Mountains: Garner Valley, near abandoned duck ponds, S of Quinn Flat. 1357 Comment
  UCR112001  Lotus purshianus A. C. Sanders, T. B. Salvato 2000-5-25 23424 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR178163  Lotus purshianus 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
  UC864945  Lotus purshianus var. purshianus I. W. Clokey and E. G. Anderson 1935-8-21 6720 Riverside Hemet Lake 1030 Comment
  JEPS55814  Lotus rigidus W. L. Jepson 12573 Riverside Cottonwood Springs Cottonwood Mts. 731 Comment
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Oct 9 2010
  RSA0025520  Lotus rigidus John F. Emmel 1986-4-12 995 Riverside Little San Bernardino Mtns: upper Berdoo Canyon. Locality also includes Quarter S 1/2. Section 31, Township 3S, Range 9E. 1372 Comment
  SEINET10484457  Lotus rigidus L. Rose 1935-12-23 Rose 35694 Riverside Above deep canyon, san jacinto mts. 22 Mi s of cathedral city. Rock slopes. 1067 Comment
  UCR72201  Lotus salsuginosus Theo Glenn 1992-3-31 92 11 Riverside Sonoran (Colorado) Desert, north side Eagle Mts, Storm Jade Mine 671 Comment
  RSA0042918  Lotus salsuginosus var. brevivexillus Duncan S. Bell, Evan Meyer 2014-4-2 6497 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  RSA406831  Lotus salsuginosus var. brevivexillus Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  RSA652458  Lotus scoparius var. brevialatus Marion P. Harthill 1973-2-17 1574 Riverside Snow Creek, Palm Springs 366 Comment
  UCR270748  Lotus scoparius var. scoparius T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8365 Riverside Santa Ana Mountains, unnamed west-east trending canyon south of Mabey Canyon and north of Tin Mine Canyon, c. 0.6 mi west of the end of West Foothill Parkway 436 Comment
  CLARK-A1528-2809  Lotus strigosus John C. Roos 1937-3-24 1339 Riverside Pigeon Pass Comment
  RSA495418  Lotus strigosus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2938 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA614704  Lotus strigosus George K. Helmkamp, E. A. Helmkamp 1997-3-5 1325 Riverside 2.8 mi SE of Gilman Hot Springs. 518 Comment
  UCR13738  Lotus strigosus var. hirtellus N. R. Zabriskie, W. W. Zabriskie 1972-6-18 527 Riverside Peninsular Range; San Jacinto Mtns., along fire road south of the S end of Marion Ridge Rd., Pine Cove, NW of Idyllwild 1939 Comment
  SEINET10389800  Lotus strigosus var. tomentellus A. C. Sanders, Jim Malusa 2015-3-9 41364 Riverside Chocolate Mountains, along Gasline Road at major wash crossing 1.9 mi. south of Bradshaw Trail, US Navy Chocolate Mountains Aerial Gunnery Range 686 Comment
  UCR167273  Lotus strigosus var. tomentellus John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, WNW of Rancho Dos Palmas between Coachella Canal siphons 29 and 30 24 Comment
  RSA554205  Lotus tomentellus Theo. Glenn 1991-5-2 91 -14 Riverside McCoy Mountians, NW of Blythe. (T4S, R20E, sec. 32). 350 Comment
  UCR1291B  Lupinus albifrons Martha McCarthy 1960-4-24 s.n. Riverside Santa Ana Mtns, 150 yd east of Teneja Rd. and c. 8 mi from the junction with Washington Ave., Murrieta 732 Comment
  JOTR33793  Lupinus andersonii La Doux, Tasha, A. Miller 3305 Riverside Joshua Tree National Park. South Lost Horse Valley, along Key's View Road (stop1) 1385 Comment
  RSA749191  Lupinus arizonicus Robert F. Thorne 1963-3-29 32404 Riverside Ca. 7-8 miles E of Mecca, Mecca Hills. 152 Comment
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Dec 8 2011
  UC279692  Lupinus arizonicus Edmund C. Jaeger 1926-2-20 Riverside near Salton Sta. (Canyon Springs); near Salton Sta., Canyon Springs Comment
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Jan 21 2008
  SD137773  Lupinus bicolor Darin L. Banks, Steve Boyd 1995-5-3 282 Riverside Agua Tibia Wilderness Area, east of the Dripping Springs Alcove Area. 512 Comment
  RSA314671  Lupinus bicolor subsp. marginatus R. F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55496 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  RSA561785  Lupinus bicolor subsp. marginatus Steve Boyd 1992-4-14 6843 Riverside San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail 341 Comment
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Mar 23 2007
  UCR107752  Lupinus bicolor subsp. microphyllus D. L. Banks 1997-5-5 1998 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek. Along the S fork of Pechanga Creek 427 Comment
  SEINET10484883  Lupinus bicolor subsp. microphyllus Robert F. Thorne, F. R. Fosberg; Marie, Helene Sachet; Derral Herbst 1983-4-23 Thorne 55496 Riverside San bernardino mountains; sandy wash along whitewater river where road crosses River below fish hatchery, ca 4 miles n of whitewater post office. Hairy, low Annual 640 Comment
  RSA87084  Lupinus brevior F. W. Peirson 1922-4-9 2894 Riverside near Palm Canyon stream about 0.5 mile below mouth of Canyon, Palm Springs region Comment
  SD128292  Lupinus concinnus R. Mitchel Beauchamp 1971-5-15 2415 Riverside Black Mountain campground, San Jacinto Mountains. 2207 Comment
  SEINET3101907  Lupinus concinnus Marc A. Baker, with Michelle Cloud-Hughes 2011-6-12 17377 Riverside Goff Flat, 5.5km SW of Pyramid Peak Comment
  UC15833  Lupinus concinnus Mrs. Gregory 1890-1 Riverside San Jacinto Comment
  UCR108489  Lupinus concinnus A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16226 Riverside San Jacinto Mountains, San Gorgonio Pass: on and near a rocky spur at the N foot of the mountains, SW of Verbenia Ave, west of Snow Creek, east of Cabazon 550 Comment
  CDA27427  Lupinus concinnus var. orcuttii T. C. Fuller 1964-4-14 11815 Riverside Bench above wash of Whitewater Canyon, 4.1 miles north of Whitewater. 0 Comment
  RSA496381  Lupinus densiflorus var. lacteus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3058 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
  CAS-BOT-BC434236  Lupinus excubitus Tracy Tennant; Mitch Provance 1998-6-16 MOR- 407 Riverside San Bernardino Mtns. Foothills: Morongo Indian Reservation, upper Millard Canyon, north of Cabazon. 1052 Comment
  UCR136251  Lupinus excubitus A. C. Sanders 2004-4-20 27572 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  RSA164794  Lupinus excubitus var. hallii Wesley O. Griesel 1963-5-4 771 Riverside Road between Beaumont and Oak Glen. 1067 Comment
  RSA430284  Lupinus formosus David B. Dunn, LeDoux, Kenney 1973-6-15 20760 Riverside 4 miles NW of Jct of Hwy 74 and 71 on Hwy 74. 1402 Comment
  UC1542859  Lupinus formosus M. L. Conrad, Dunn, and LeDoux 1973-6-15 7139 Riverside 5.9 miles southeast of Junction of Idlewild Road and Highway 74 on 74. 1341 Comment
  SEINET8042261  Lupinus hirsutissimus Unknown 404 Riverside Boxsprings Mts. Comment
  SD28123  Lupinus latifolius var. parishii Carl B. Wolf 1932-8-5 3951 Riverside San Jacinto Mountains 1st real wet meadow of trail from Tahquitz Valley to San Jacinto Peak 2743 Comment
  RSA87095  Lupinus pallidus F. W. Peirson 1922-4-9 s.n. Riverside Palm Canyon region, head of Coachella Valley Comment
  JEPS65439  Lupinus shockleyi W. L. Jepson 1927-4-12 11630 Riverside Whitewater 457 Comment
  JOTR29606  Lupinus sparsiflorus Andre, Jim 2006-4-26 6763 Riverside Joshua Tree National Park. Long Canyon, approximately 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  JOTR30921  Lupinus sparsiflorus La Doux, Tasha, Bill Truesdell 2008-4-29 2596 Riverside Joshua Tree National Park. Little San Bernardino mountains, north end of Quail Mountain; Steep rocky slopes above side canyon, south of Johnny Lang Canyon (Stop 8) 1219 Comment
  JOTR35447  Lupinus sparsiflorus Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 51 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop3) Comment
  RSA523534  Lupinus sparsiflorus Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3993 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  SBBG3695  Lupinus sparsiflorus H. and M. Dearing 1949-4-9 6745 Riverside Joshua Tree Nat Monument Comment
  SD234128  Lupinus sparsiflorus Virginia Pinkus Ryder 1964-3-26 118 Riverside Palm Springs, 1 mile on Palm Canyon Road. 248 Comment
  UCR214568  Lupinus sparsiflorus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37861 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., 0.8 mi. north (09 deg. ) of intersection of I-15 and Lake St. 482 Comment
  UCR97657  Lupinus sparsiflorus A. C. Sanders, O. F. Clarke & H. Forster 1997-3-2 19775 Riverside Box Springs Mountains, Pigeon Pass Road on the north side of the pass, at major curves in road just above springs. 518 Comment
  POM10358  Lupinus sparsiflorus subsp. sparsiflorus Charlotte M. Wilder 1904-5-14 49 Riverside Wilders Canyon, Jurupa Hills, Comment
  CDA27590  Lupinus succulentus McLane Riverside Highway between Riverside & Beaumont. 0 Comment
  SEINET13198373 Image available Lupinus succulentus A. G. Vestal 1947-3-29 s.n. Riverside Comment
  RSA414404  Lupinus truncatus H. de Forest 1929-3-16 s.n. Riverside San Bernardino Mts, San Gorgonio Pass. Comment
  RSA614166  Lupinus truncatus D. L. Banks 1997-2-23 1311 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, north of Pechanga Road, south of Anza Road, just NNW of San Gabriel Church in the area burned by the 1996 Temecula Fire. 402 Comment
  UCR20713  Lupinus truncatus A. C. Sanders, Steve Boyd 1980-5-2 1426 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  RSA801942  Luzula comosa var. laxa LeRoy Gross, Grace Cho, Caitlin Elam 2013-5-30 6172 Riverside End of Apela Drive, west end of Strawberry Valley. And south of road (5S24) that runs out to the sewage disposal ponds. Collections are between this road, and Strawberry Creek., Basically ridge north of Strawberry Creek and creek north of this ridge, south of road. This draw drains into Strawberry Creek. 1524 Comment
  RSA698616  Lycium J. R. Bruff 1927-11-26 37 Riverside Cottonwood Springs vicinity. Comment
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Jul 7 2012
  RSA502904  Lycium andersonii J. C. Lyman 1989-2-13 s.n. Riverside SW end of the Bernasconi Hills. 549 Comment
  UC494399  Lycium andersonii C. L. Hitchcock 1932-4-7 12206 Riverside Corn Springs, e Riverside County Corn Springs Comment
  POM9224  Lycium andersonii I. M. Johnston 1920-5-8 2272 Riverside Jurupa Mts, extreme west end. between Riverside and Ontario. Comment
  RSA463719  Lycium brevipes A. C. Sanders 1985-12-22 5961 Riverside Coachella Valley, bouldery slope at old Indian fish traps, E eand of Ave. 66 at Jackson St. Comment
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Sep 10 2011
  SD225120  Lycium brevipes A. C. Sanders 1997-3-1 19723 Riverside Box Springs Mountains: Coyote Hill and ridge south and southeast of the UCR Botanic Garden. 422 Comment
  JOTR34398  Lycium cooperi Andre, Jim 2012-4-16 20932 Riverside Joshua Tree National Park. Along Cottonwood Spr. Rd. 2.4 miles north Cottonwood Visitor's Center 955 Comment
  POM184354  Lycium torreyi C. Leo Hitchcock 1932-4-7 12196 Riverside 4 mi.S. E. of Blythe, eastern Riverside Co. Comment
  RSA409650  Lycopus americanus Louis C. Wheeler 1933-9-4 1317 Riverside Santa Ana River at Chino Creek. 183 Comment
  SD241094  Lythrum californicum A. C. Sanders, John F. Green 2012-5-27 40211 Riverside Peninsular Range: Perris-Aguanga Basin Region: San Jacinto River north of Canyon Lake, between Hwy 74 and Goetz Road (Romoland 7.5'Q) 427 Comment
  UCR101460  Lythrum californicum A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22238 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of lower Millard Canyon 854 Comment
  UCR140719  Lythrum californicum A. C. Sanders 2004-5-12 27890 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  UCR199760  Lythrum californicum Scott D. White, Angelia Carey and Linda Archer 2004-8-5 10687 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Indian Creek and adjacent uplands, from confluence with San Jacinto River to c. 2 miles upstream 610 Comment
  UCR89978  Lythrum californicum 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
  UCR17808  Machaeranthera canescens O. F. Clarke 1973-4-6 s.n. Riverside San Jacinto Mtns, Juaro Canyon, lower west side of the mountains near Soboba Hot Springs 549 Comment
  UCR101571  Machaeranthera tortifolia 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
  UCR79486  Madia exigua Steve Boyd, T. Ross 1992-6-10 7642 Riverside Southern Santa Ana Mtns., San Mateo Canyon Wilderness Area, Santa Ana Mountains; about 'Potrero Escondido', an isolated area of low relief topping the ridge system due west of jct. Tenaja Rd. & Los Alamos Rd at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek 673 Comment
  UC33207  Madia gracilis H. M. Hall 1901-6-11 2040 Riverside San Jacinto Mts. 1341 Comment
  CSUSB1366  Malacothamnus fasciculatus Rand Ch. Isbell 1970-5-24 13 Riverside Box Springs Canyon Box Springs Canyon, city of Riverside 350 Comment
  RSA433319  Malacothamnus fasciculatus Robert Gustafson, Gary D. Wallace 1983-6-23 2722 Riverside along Clinton Keith Road, ca 2.5 miles from its junction with Highway 15, Santa Ana Mountains Comment
  UCR93836  Malacothamnus fasciculatus 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
  POM98395  Malacothamnus fasciculatus P. A. Munz 1925-5-20 9865 Riverside near Corona 427 Comment
  CSUSB1448  Malacothamnus fasciculatus var. laxiflorus Dorothy Detrich 1966-5-16 Riverside Riverbottom at base of Mount Rubidoux. Comment
  RSA501062  Malacothrix clevelandii Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3179 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  UC33275  Malacothrix clevelandii H. M. Hall May 17 1901-Jun 1 1901 1817 Riverside San Jacinto River Canyon 1158 Comment
  UCR112969  Malacothrix coulteri B. G. Pitzer, T. Tennant 1998-2-21 3534 Riverside Sonoran (Colorado) Desert, Hayfield Dry Lake, on the lakebed, 1/2 to 3/4 mi.le SE of the pumping station 412 Comment
  POM362316  Malacothrix glabrata Martha Hilend 1928-3-25 141 Riverside Colorado Desert, about 6 miles west of Indio Comment
  RSA25142  Malacothrix glabrata C. L. Hitchcock 1940-4-3 5929 Riverside 1 1/2 mi. northeast of Cottonwood Spring along 29 Palms Road, Joshua Tree Nat. Monument. Comment
  RSA716262  Malacothrix glabrata Scott D. White, Angelia Carey 2004-4-5 9999 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UC33283  Malacothrix glabrata W. G. Wright 1889-1 1754 Riverside Colorado Desert Comment
  UC481086  Malacothrix glabrata Geo. B. Grant May 1 1906-May 10 1906 Riverside Palm Springs Colorado Desert Comment
  UCR235923  Malacothrix glabrata Jeremiah George 2012-6-4 s.n. Riverside San Gorgonio Pass, Banning, 0.1 mi. east of intersection of Bobcat Rd. and Turtle Dove Lane 707 Comment
  UCR282414  Malacothrix saxatilis var. tenuifolia Mitch Provance 2009-7-1 709- 05 Riverside Badlands of Western Riverside County, San Timoteo Canyon, just south of San Timoteo Canyon Rd. along paved access road to the El Casco Substation 616 Comment
  RSA0121047  Malacothrix stebbinsii Duncan S. Bell, LeRoy Gross 2016-3-29 9120 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
  IRVC75  Malosma laurina Ken Ellis 1965-4-24 s.n. Riverside Ortega Highway; Upper San Juan Creek Camp. Santa Ana Mountains Comment
  RSA0013135  Malva neglecta LeRoy Gross, Caitlin Elam 2013-5-14 6065 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
  UCR90496  Malvella leprosa F. M. Reed 1933-6-26 7881 Riverside San Bernardino Valley/Upper Santa Ana River region, Riverside; Terraces Ranch, 547 Chicago Ave. near Arroyo Tequesquite 293 Comment
  UCR112523  Marah macrocarpa Mitch Provance 1998-2-13 12 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
  CAS-BOT-BC216181  Marina parryi C. L. Hitchcock 1966-3-21 s.n. Riverside Mule Mts., 20 mi. s.w. of Blythe, in wash Comment
  RSA409844  Marrubium vulgare Freda Detmers 1931-6-19 s.n. Riverside Chino Hills. Comment
  RSA381086  Marsilea vestita R. F. Thorne, Steve Boyd, Earl Lathrop 1985-7-18 61175 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  RSA532575  Marsilea vestita D. E. Bramlet 1991-6-20 2198 Riverside San Jacinto Wildlife Area: Approx. 670 m. east of Davis Road and some 60 m. north of the San Jacinto River levee. in the old Riverbed beside the channelized area of the San Jacinto River. 475 Comment
  SEINET3867174 Image available Marsilea vestita Robert F. Thorne, Steve Boyd; Earl Lathrop 1985-7-18 61175 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: Riparian woodland along Cole Canyon.; 0 535 Comment
  RSA716815  Matricaria globifera A. C. Sanders, T. B. Salvato 2005-5-17 30239 Riverside Perris Basin: San Jacinto Valley, Gilman Springs Rd. at Quail Lake Golf Course. 439 Comment
  RSA650954  Matricaria matricarioides W. A. Reinke 1971-5-8 s.n. Riverside 7mi. N. of 2nd St. on [Highway] 71-74, Elsinore. Comment
  UCR163219  Matricaria matricarioides T. B. Salvato, Kelly Volansky 2003-3-27 122 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  SBBG101666  Meconella denticulata S. Boyd 1991-5-20 6269 Riverside NW of Lake Elsinore, lower Rice Cyn, just inside Cleveland Nat For boundary Comment
  CLARK-A1528-2858  Medicago polymorpha John C. Roos 1952-4-9 5487 Riverside Fairmont Park Comment
  POM1219  Melica frutescens I. M. Johnston 1918-4-27 1863 Riverside Temescal Canon (West of Elsinore). 366 Comment
  CHSC109712  Melica imperfecta Scott D. White 2003-3-21 8821 Riverside Santa Ana Mountain Foothills: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. 152 Comment
  RSA10520  Melica imperfecta C. F. Baker 1909-05 s.n. Riverside Fairmont Hill. Comment
  RSA403497  Melica imperfecta George R. Johnstone 1934-3-27 18578 Riverside Near Wildomar. Inland route to Temecula. Comment
  SD144118  Melica imperfecta Scott D. White 1997-5-25 5235 Riverside Bautista Canyon, Hixon Trail (USFS No. 2E43), between trailhead at Bautista Cyn. Rd. and intermittent stream crossing 975 Comment
  SD237272  Melica imperfecta A. C. Sanders 2010-4-2 37742 Riverside Peninsular Range: Alberhill, south foot of the Gavilan Hills at Temescal Canyon, north of I-15 and Concordia Ranch Rd., 1.65 mi. ESE of Corona Lake, .5 mi. NE of Temescal Canyon Rd. where it goes under I-15 404 Comment
  UCR101441  Melica imperfecta A. C. Sanders 1997-4-10 20323 Riverside Tucalota Hills, east of Lake Skinner 701 Comment
  UCR120602  Melica imperfecta Steven R. Hill 2001-5-3 33668 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 3.8 mi west of Calif. Hwy 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area 793 Comment
  UCR155327  Melica imperfecta A. C. Sanders, Mike Misenhelter 2005-3-23 29259 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  RSA659352  Melilotus albus M. Duke, Christy Hightower, C. McElroy 1982-5-15 3 Riverside CA Hwy 74, just off highway E of Elsinore, 1 mi W of Hwy 15. Comment
  UCR241210  Melilotus indicus Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 02 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, just inside gate at mouth of Hathaway Canyon 741 Comment
  UCR82224  Melilotus indicus J. M. Stewart 1994-5-2 853 Riverside Western Colorado Desert, Coachella Valley, Thermal. Tyler St. and Airport Blvd. Comment
  RSA440354  Mentzelia affinis H. M. Hall 1905-04 5766 Riverside Cathedral Canyon 91 Comment
  SD260065  Mentzelia albicaulis J. Andre 2012-4-11 20778 Riverside Joshua Tree National Park; NW Eagle Mtns, along dirt road to Black Eagle Mine, 0.7 mi. east of road to Cottonwood Spr (Utah Trail), 34 mi. south of Hwy 62 at 29 Palms. At interface of steep rocky hills and large wash. 729 Comment
  JEPS42805  Mentzelia involucrata W. L. Jepson 1927-4-11 11620 Riverside Bridge Colorado Desert, Whitewater 457 Comment
  UCR244306  Mentzelia involucrata Jim Andre 2012-4-16 20886 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd., 1.0 mi. north of south entrance to J.T.N.P. 584 Comment
  RSA341994  Mentzelia involucrata var. megalantha Robert F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54057 Riverside Along Whitewater River, E of bridge and levee. Comment
  SBBG4876  Mentzelia longiloba H. and M. Dearing 1942-4-3 4853 Riverside 12 mi N of Desert Center Comment
  RSA446846  Mentzelia longiloba var. longiloba A. Menke 1955-4-27 s.n. Riverside 33 miles E of Desert Center. Comment
  SEINET3005061  Mentzelia multiflora subsp. longiloba G. Rink 2011-4-29 10499 Riverside Campus of Palo Verde College, near Blythe 118 Comment
  SBBG45338  Mentzelia nitens Leota Davidson 1966-4-6 115 Riverside near Joshua Tree Nat Monument headquarters Comment
  UCR220326  Microseris douglasii D. E. Bramlet 1991-5-7 2118 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto Valley, 8.2 km SW of Hemet, just NE of jct. of California Ave. & Marvin Hull Road, c. 50-150 m north of the AT&SF railroad tracks & 300 m west of MWD canal 500 Comment
  UCR225446  Microseris heterocarpa A. C. Sanders, T. B. Salvato 2011-3-29 38847 Riverside Peninsular Range; Perris-Aguanga Basin Region, valley at toe of hills between Sun City and Perris, powerline corridor between Goetz Rd. and Alabaster Loop, north of Goldenrod Ave. 448 Comment
  UCR230786  Microseris heterocarpa A. C. Sanders, Nathan Moorhatch 2011-3-22 38784 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland, Menifee Valley, south of Ethanac Rd. between Trumble Rd. and 215 Fwy 436 Comment
  RSA500986  Microseris lindleyi Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-4-1 3105 Riverside Vail Lake area, at N base of rounded knob 1.25 mi WSW of dam. 610 Comment
  UCR104920  Microseris lindleyi A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20652 Riverside San Jacinto Mountains, north side along Hwy 243, 1.5 mi below Twin Pines Ranch Road (McMullen Flat), north slope of Peak 3740 1067 Comment
  UCR120954A  Microseris lindleyi A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23875 A Riverside Perris-Aguanga Basin region, Temecula, along east side of pipeline NE of Long Canyon, west of San Diego Aqueduct 381 Comment
  UCR252523  Mimulus aurantiacus var. pubescens J. Mendoza 2011-5-28 s.n. Riverside Moreno Valley, Boulder Ridge Dr. east of intersection with Lasselle, north of Ironwood Ave. and east of Perris Blvd. on north side of valley 645 Comment
  LA209131  Mimulus aurantiacus var. puniceus L. Haines; L. Erickson 1937-4-9 sn Riverside Hemet road near Winchester turnoff Comment
  RSA715296  Mimulus aurantiacus var. puniceus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32675 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., near stream crossing of dirt road. 549 Comment
  UCR102726  Mimulus aurantiacus var. puniceus B. G. Pitzer 1998-1-25 3414 Riverside Lakeview Mtns., Reinhardt Canyon, Maze Stone County Park, at N terminus of California Avenue 610 Comment
  SEINET7907901  Mimulus bigelovii D. A. Johnson 2005-1 Riverside Joshua Tree Nat'l Park, between Coachella & S entrance to park, S of Interstate 10 914 Comment
  UC886112  Mimulus bigelovii var. bigelovii C. L. Hitchcock 1940-3-29 5857 Riverside ca. 100 yards e Cottonwood Spring; Cottonwood Canyon Comment
  UCR202240  Mimulus brevipes Mike Misenhelter 2005-6-8 s.n. Riverside Peninsular Range; San Jacinto Mtns., Idyllwild, south edge of town, 37 acre Lane property south of the intersection of Hwy 243 and Marian View Dr., west edge of Hwy 243 and off Robin Dr., West Ridge Rd., and Chickadee Way 1610 Comment
  UCR89473  Mimulus clevelandii Steve Boyd, Chris Frazier 1993-4-24 8010 Riverside Palomar Mtns., Cleveland Nationall Forest, Agua Tibia Wilderness Area. south of Vail lake at the an base of Agua Tibia Mtn, along trail extending S from end of Woodchuck Road. 884 Comment
  RSA525697  Mimulus diffusus Steve Boyd, Tim S. Ross 1990-5-11 4635 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
  RSA543975  Mimulus diffusus Steve Boyd 1991-5-10 6207 Riverside Santa Ana Mountains, Lower flank of range along the Bedford Truck trail on ridge between Bedford and McBribe Cyns. 854 Comment
  RSA0120464  Mimulus guttatus Duncan S. Bell 2016-4-16 9308 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  UCR114543  Mimulus guttatus A. C. Sanders, K. C. Rose 1999-6-18 22811 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave. near Rawson Rd. 451 Comment
  UCR37616  Mimulus guttatus George K. Helmkamp 1984-5-2 D 20 Riverside Little San Bernardino Mountains, Big Morongo Canyon, 3 - 3.5 miles below the caretaker's house at the Big Morongo Preserve 610 Comment
  UCR42547  Mimulus guttatus B. G. Pitzer 1986-4-26 191 Riverside San Bernardino Mtns., Whitewater Canyon, c. 4.5 mi. north of Hwy I-10 on Whitewater Canyon Road 734 Comment
  UC27000  Mimulus microphyllus H. M. Hall 1901-6-20 2201 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1615 Comment
  UC284923  Mimulus palmeri Mrs. A. L. Grant 1922-4-30 5135 Riverside hills s Tuscalota Creek (on road from Aguanga to Hemet) Comment
  UCR155304  Mimulus pilosus A. C. Sanders 2005-5-4 29841 Riverside Gavilan Hills near Riverside, c. 1 km east and southeast of Gavilan Peak 625 Comment
  UCR35253  Mimulus pilosus L. B. Ziegler 1967-7-17 186 Riverside San Jacinto Mtns., Hemet Valley, near Herkey Creek Canyon. 1585 Comment
  RSA0027992  Mirabilis laevis var. crassifolia Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6102 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain 3 miles N Highway 79, 1 mile W of Highway 371, N of Aguanga. 600 Comment
  RSA0027994  Mirabilis laevis var. crassifolia Ed LaRue 1989-3-30 s.n. Riverside Rancho California area, ca. 4 miles W of Temecula,with Ave. del Oro as the N boundary. 381 Comment
  SD1506  Mirabilis laevis var. crassifolia E. Jaeger 1925-12-12 Riverside Eagle Canyon, 4.5 miles east of Palm Sprins. Comment
  SDSU18725  Mirabilis laevis var. crassifolia C. Matt Guilliams 2008-2-13 451 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. 410 Comment
  RSA670718  Mirabilis laevis var. retrorsa Bonnie C. Templeton, I. W. Clokey 1930-4-9 1012 Riverside North of Palm Springs 305 Comment
  HSC83099  Mirabilis laevis var. villosa A. C. Sanders, Pitzer, Charlton, Kniffen, Stewart 1986-3-2 6056 Riverside Chuckwalla Bench, S side of Chuckwalla Mtns., on Bradshaw Rd., 2 mi. E of gasline road 642 Comment
  RSA82951  Mirabilis multiflora var. pubescens R. M. Straw 1953-6-4 439 Riverside Head of Palm Canyon, Palms to Pines Hwy. Comment
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Nov 19 2011
  SEINET7248272  Mirabilis tenuiloba Duncan S. Bell, LeRoy Gross 2014-1 6191 Riverside Colorado Desert; Western Colorado Desert region: Santa Rosa Mountains; Toro Canyon on the east side of Martinez Mountain. 259 Comment
  JEPS9991  Mohavea confertiflora W. I. Follett 1942-3-22 131 Riverside 7.8 mi e of Mecca (Colorado Desert); Colorado Desert Comment
  RSA80248  Mohavea confertiflora F. W. Peirson 1917-4-1 1102 Riverside Along south edge of Colorado Desert embayment east of Palm Springs, above ''Garden of Eden'. Comment
  UCR213263  Mohavea confertiflora A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37450 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  UCR226673  Mohavea confertiflora Jim Andre 2011-2-9 15922 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  SD137725  Monardella breweri subsp. lanceolata Darin L. Banks 1995-6-15 704 Riverside Agua Tibia Mountains; Devils Hole area, northnortheast of the Crosley Homestead. 730 Comment
  UC1608213  Monardella breweri subsp. lanceolata Steve Boyd, Tim Ross 1992-6-10 7634 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about Potrero Escondido, an isolated area of low relief topping the ridge system due west of the junction on Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek 670 Comment
  RSA518903  Monardella lanceolata B. Pitzer 1988-7-1 1483 Riverside Dripping Springs Area: S of Vail Lake, N of Hwy 79, between Kolb & Arroyo Seco Creeks. 488 Comment
  UCR90350  Monardella lanceolata Scott D. White 1995-6-30 3433 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  RSA774118  Monardella linoides subsp. linoides Duncan S. Bell, Colleen Wheeler 2010-7-19 1629 Riverside San Bernardino National Forest: Garner Valley, in the vicinity of the Tool Box Spring trailhead, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1377 Comment
  CAS-BOT-BC215491  Monardella nana E. McClintock; H. Lewis 1941-6-29 78 Riverside Road up Santa Rosa Mt. 5 1/2 miles beyond canyon where stream crosses road Comment
  LA57205  Monardella nana Carl Epling; L. Haines 1937-5-7 sn Riverside Pinon Flats, Pines to Palms Hwy Comment
  LA96105  Monardella nana Elizabeth McClintock; 1940-5-19 5 Riverside 0.25 mi off Pines to Palms Hwy on rd to Santa Rosa Mt Comment
  UC1499889  Monardella nana Elizabeth McClintock 1941-5-31 52 Riverside 5 3/4 miles from Anza Monument turn off Comment
  RSA750282  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-10 88 Riverside San jacinto Mts. Trail to Suicide Rock, about 3 1/4 miles from Fern Valley. Comment
  RSA750299  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-13 112 Riverside San Jacinto Mts. Near saw mill at Domengonio Flats, on old Idyllwild road. Comment
  RSA750306  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-18 122 Riverside San Jacinto Mts. Trail to Hidden Lake, about 1 mile beyond the cienega. Comment
  CAS-BOT-BC220424  Monardella robisonii D. Dunn 1940-4-27 1922 Riverside Keys Ranch, Joshua Tree National Mon. Comment
  OBI32735  Monardella robisonii K. Stolte 1979-9-4 Riverside Joshua Tree Natl Monument. Keys Ranch, Hidden Valley area. 100 m SW of the Natl Parks Service Trailer Comment
  UCR121353  Monardella robisonii A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24608 Riverside Mojave Desert, Little San Bernardino Mtns, Stubbe Spring, Joshua Tree National Park, 4.35 mi. (airline) SW from park road in Lost Horse Valley 1372 Comment
  UCR125896  Monardella robisonii A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24614 Riverside Mojave Desert, Little San Bernardino Mtns, Jumbo Rocks Campground, Joshua Tree National Park 1341 Comment
  UCR139131  Monolepis nuttalliana Julie A. Greene 1993-4-17 1206 Riverside San Jacinto Valley, San Jacinto Wildlife Area. west of San Jacinto River, west of Davis Rd 439 Comment
  RSA444320  Monoptilon bellioides Walter Wisura 1988-3-1 4189 Riverside 2.5 mi fr. I 10 along Box Canyon Rd. toward Mecca Comment
  RSA784739  Monoptilon bellioides Duncan S. Bell 2012-2-12 3084 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  UC1080449  Monoptilon bellioides P. C. Everett and E. K. Balls 1958-4-29 22959 Riverside 5 mi e from junction with U. S. Hwy. 99 (U. S. Hwy. 60 and 70, Indio to Blythe) 121 Comment
  UCSB31071  Monoptilon bellioides Nixon, Kevin 1977-3-6 Riverside 1 mile west of Interstate 10 on Calif. 195 365 Comment
  RSA94168  Monoptilon bellioides F. W. Peirson 1922-4-11 2868 Riverside Deep Canyon Wash, southwest of Indio 244 Comment
  UC218119  Montia fontana Munz and Johnston 1922-5-19 5438 Riverside 1 mi se of Thomas Ranch (Hemet Valley); San Jacinto Mountains, Hemet Valley 1402 Comment
  CLARK-A1528-76  Muhlenbergia asperifolia John C. Roos 1951-9-25 5257 Riverside Riverside 259 Comment
  RSA0104439  Muhlenbergia microsperma Duncan S. Bell, Evan Meyer 2014-10-28 7668 B Riverside Orocopia Mountains; northwest section of range; approximately 1.8 air miles northwest of the summit of Orocopia Mountain. 936 Comment
  RSA495450  Muhlenbergia microsperma Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 2978 Riverside Vail Lake area, Temecula Creek Cyn below Vail Lake Dam 457 Comment
  RSA501027  Muhlenbergia microsperma Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3147 Riverside Vail Lake area, ridge along N edge Oak Mountain, 1.5-2.0 miles W of the dam. 518 Comment
  UCR260867  Muhlenbergia microsperma A. C. Sanders, Jim Malusa 2015-3-11 41398 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Gasline Road at junction with road to Observation Point Slats, US Navy Chocolate Mountains Aerial Gunnery Range 723 Comment
  VVC692  Muhlenbergia microsperma P. J. MacKay, C. Sanders 1997-2-8 104 Riverside Sonoran Desert, Palm Springs, Murray Canyon; at edge of creek btw palm groves 243 Comment
  SEINET10522269  Muhlenbergia microsperma Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-21 Holmgren 6436 Riverside Big Maria Mountains, 12 airline mi N of downtown Blythe. Locally common in sandy wash. 290 Comment
  SEINET3887720  Muilla clevelandii N. Duane Atwood, L. Stritch 1993-4-2 17901 Riverside Santa Rosa Plateau TNC Preserva and adjacent to BLM administrated lands.; 0 671 Comment
  RSA543161  Muilla maritima Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6091 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain 3 miles N Highway 79, 1 mile W of Highway 371, N of Aguanga. 600 Comment
  SBBG35235  Muilla maritima T. L. Secrest 1951-5-18 Riverside San Jacinto River bed near Hemet Comment
  UCR75553  Myosurus minimus subsp. apus A. C. Sanders 1993-5-12 14009 Riverside San Jacinto Valley, Hemet, SW corner of intersection of Florida Ave (Hwy 74) & Warren Rd., between new San Diego Aqueduct and Warren Road 460 Comment
  SD144138  Najas marina A. C. Sanders, P. MacKay, G. Helmkamp, J. Stewart, C. L. Sanders 1994-12-4 15884 Riverside Colorado Desert, Salton Sink, Dos Palmas oasis area, managed ponds near the Nature Conservancy preserve headquarters (Rancho Dos Palmas); Durmid 7.5' quad. Submerged aquatic in one pond. -36 Comment
  RSA0120304  Nasturtium officinale Duncan S. Bell 2016-4-16 9306 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  UC1931110  Nasturtium officinale Scott D. White, Justin Wood 2008-6-18 12229 Riverside San Jacinto Mountains: K Flat Meadow. Comment
  RSA469852  Navarretia atractyloides Robert Gustafson, Gary D. Wallace 1983-6-23 2711 Riverside Mesa de Burro, Santa Rosa region, Santa Ana Mts. 701 Comment
  RSA550484  Navarretia fossalis D. E. Bramlet 1992-4-29 2254 Riverside The site is approximatly 8km southwest of Hemet. The vernal pools are located northwest of the intersection California Ave. and Stowe Rd. The pools are located some 5-500 ft. N of Stowe Road and some 20-700 ft west of California Ave. 456 Comment
  RSA557348  Navarretia fossalis Julie Greene 1993-5-12 1299 Riverside San Jacinto Wildlife Area; south of gated W-E road, east of Davis Road. 433 Comment
  UCR62383  Navarretia fossalis Don Mitchell 1990-6-1 s.n. Riverside About 1.5 mi. west of Lakeview, in small bulldozer-made ponds, north of Ramona Expressway, and about 200 yd. west of the San Jacinto River. 427 Comment
  RSA0026115  Nemacaulis denudata var. gracilis Jim Andre, G. L. Clifton, Ron Kelley 2013-3-21 24394 Riverside West Riverside Mountains; at base of NW corner of range where sand ramps West Ridge, south of Double View Drive and Deer Foot Lane. Southwest from Idyllwild, and Strawberry Valley., Started near 33.72895N, 116.73415W. And ended at Inspiration Point, near run up against granitic bouldery slopes, about 10 miles SW of Vidal Jct., 3 miles south of Grommet RR xing at Highway 62. 363 Comment
  UCR18148B  Nemacaulis denudata var. gracilis A. C. Sanders 1978-2-12 970 Riverside Coachella Valley, Indian Wells; growing in the sand dunes at the intersection of Bay Club Drive and Highway 111 30 Comment
  UCR256911  Nemacladus longiflorus var. breviflorus Naomi Fraga, Duncan S. Bell 2009-5-6 2707 Riverside Arroyo Seco SE of Dripping Springs Campground and Fire Station 518 Comment
  POM4574  Nemacladus longiflorus var. longiflorus S. B. Parish 1917-6-11 11304 Riverside Santa Ana River. Comment
  RSA500551  Nemacladus longiflorus var. longiflorus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3600 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  SBBG125362  Nemacladus longiflorus var. longiflorus C. B. Hardham 1965-6-17 12952 Riverside Chimney Flats Rd, near Alvin Meadow, W of Idyllwild 1463 Comment
  SEINET1869527 Image available Nemacladus longiflorus var. longiflorus Steve Boyd 1986-1 1700 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road. Comment
  RSA0126318  Nemacladus longiflorus var. longiflorus G. R. Campbell 1951-5-30 16133 Riverside 9 miles west of Anza. 1067 Comment
  SEINET13681942  Nemacladus orientalis Tina Ayers, Randy Scott 2017-3-19 1920 Riverside Chuckwalla Mountains, ca 8 miles west of Chuckwalla Valley Road on Dupont Road, roadside at edge of wilderness area 152 Comment
  UCR102940  Nemacladus orientalis George K. Helmkamp 1998-4-4 3147 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  RSA0123277  Nemacladus tenuis var. tenuis Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8990 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  UCR20301B  Nemacladus tenuis var. tenuis John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 miles southeast of Desert Center 366 Comment
  CAS-BOT-BC224919  Nemophila menziesii A. C. Sanders 2011-4-6 38983 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
  RSA716378  Nemophila menziesii Scott D. White 2006-4-27 11297 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  UCR116909  Nemophila menziesii A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23964 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  RSA0059738  Nemophila menziesii Norman C. Cooper 1945-5-5 2262 Riverside San Gorgonio Mountains above Banning. 914 Comment
  RSA421269  Nemophila menziesii var. integrifolia H. Twining 1890-04 s.n. Riverside Riverside. Comment
  UC575068  Nicolletia occidentalis C. Epling and Wm. Robison 1933-6-26 Riverside basin 5 mi s Lost Horse Well; Little San Bernardino Mts. Comment
  UCR117253  Nicotiana attenuata A. C. Sanders, S. D. Boyd, Mitch Provance, J. Ross 1998-10-25 22295 Riverside San Jacinto Mtns., Anza area, 1.1 mi. SE of Hwy 371 on Burnt Valley Rd., at northward bend in road 1341 Comment
  RSA80731  Nicotiana clevelandii F. W. Peirson 1928-3-10 7709 Riverside Along sides of main canyon near Hidden Springs, northeast of Mecca. Comment
  UC64780  Nicotiana clevelandii Charlotte M. Wilder 1904-5-11 174 Riverside Miller's Fork, Santa Ana River Santa Ana River (West Riverside) Comment
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Sep 5 2011
  RSA426707  Nicotiana obtusifolia Christopher Davidson 1979-4-4 7704 Riverside Orocopia Mts., lower end of Box Canyon on Box Canyon Rd., 4.4 mi E of Mecca. 213 Comment
  UCSB33605  Nicotiana obtusifolia Simmons, Karen 1979-3-25 Riverside Box Canyon Road, 10 miles south-west of Hwy 10 30 Comment
  PASA2135  Nicotiana trigonophylla 1928-3-3 Riverside Hidden Springs, Colorado Desert Comment
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Aug 27 2016
  POM243698  Nolina parryi E. C. Jaeger 1938-5-14 s.n. Riverside Stubbe Springs, Joshua Tree National Monument. 1280 Comment
  CAS-BOT-BC71163  Notholaena californica Ivan Johnston 1917-4-4 1052 Riverside Palm Canyon 304 Comment
  UCR214714  Oenothera deltoides A. C. Sanders 2010-3-23 37548 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mountains 130 Comment
  RSA0105865  Oenothera elata subsp. hookeri Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge & Santa Ana Riverbed Transect. Comment
  UC1929327  Oenothera hookeri Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10675 Riverside San Jacinto Mountain foothills; Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. Comment
  RSA554245  Oligomeris linifolia Theo Glenn 1991-5-15 91 -136 Riverside Colorado Desert Little Maria Mountains, NW of Blythe. 390 Comment
  UC634677  Oligomeris linifolia H. L. Mason 1928-3-10 4179 Riverside in alkaline spots along Whitewater River; along Whitewater River Comment
  UCR90318  Oligomeris linifolia Ed LaRue 1993-4-28 s.n. Riverside Sonoran (Colorado) Desert, Blythe landfill, along Blythe-Midland Road, 3 mi. south of the Big Maria Mtns, 6 mi. west of Colorado River 125 Comment
  UC1494056  Oncosiphon piluliferum K. M. Kummer 1981-5-19 Riverside Box Springs Reserve Box Springs Mountain 731 Comment
  UCR41330  Opuntia basilaris var. basilaris N. M. Fellows 1984-11-12 19 Riverside San Jacinto Mtns., Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mtn. 489 Comment
  RSA677299  Opuntia echinocarpa F. R. Fosberg 1932-1-20 2321 Riverside Devils Garden, near Whitewater. Comment
  SEINET10678633  Opuntia erinacea var. erinacea Tracy Scott, Andrew Townesmith; Karen M. Meyer 2007-3-18 Scott 139 Riverside San Bernardino National Forest. San Jacinto Ranger District, about 0.2 mi. along Pinon Flats Transfer Station Rd. off Rte. 74. 1228 Comment
  SD167377  Opuntia littoralis Scott D. White 1994-6-23 2101 Riverside Temecula/Murrieta Region, Santa Gertrudis Creek, ca. 1 mile east of Skunk Hollow; Bachelor Mountain 7.5' quad. 395 Comment
  POM311558  Opuntia phaeacantha Lyman Benson 1963-7-13 16390 Riverside San Jacinto Mountains. Hillside 3 miles north of Gilman Hot Springs. Comment
  CHSC14089  Orcuttia californica N. Hogg 1969-4-30 Riverside Mesa de Burro; ca. 4 miles w of Murrietta; on the bottom of a 'cattle tank,' ne portion of the mesa. Comment
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Apr 3 2011
  SD28121  Oreostemma alpigenum var. andersonii Carl B. Wolf 1932-8-5 3953 Riverside San Jacinto Mountains, On trail from Tahquitz Valley to San Jacinto Peak. 2745 Comment
  UC469006  Oreostemma alpigenum var. andersonii F. M. Reed 1908-7-10 2532 Riverside Round Valley San Jacinto Mountains 2743 Comment
  UCR46057  Orobanche bulbosa A. C. Sanders 1986-6-1 6544 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  JEPS85950  Orobanche cooperi L. R. Heckard with R. Bacigalupi 1977-3-15 4528 Riverside along Rice Rd. ca. 16 mi. n.e. Desert Center Comment
  UCR21186  Orobanche fasciculata A. C. Sanders 1980-5-1 1382 Riverside San Jacinto Mtns, Garner Valley area, 0.7 mi NE of the Kenworthy R.S. on Morris Ranch Rd. 1524 Comment
  CSUSB900  Orthocarpus purpurascens Ken Stolte 1978-4-27 Riverside 1 mile south of junction of Highway 60 and Central Ave, 200 meters east off Central, in Riverside. Comment
  RSA402101  Orthocarpus purpurascens Bonnie C. Templeton 1931-4-9 s.n. Riverside At base of Moreno Grade. Comment
  CHSC20912  Paeonia californica Robert A. Schlising 1972-3-11 3011 Riverside Southwest of Corona, in large wash near margin of Cleveland National Forest. Comment
  SD187359  Palafoxia arida var. arida Naomi Fraga, Sarah J. De Groot, et al. 2005-2-10 1419 Riverside Northeastern Colorado Desert region: Along Palen Road near Highway 177. 170 Comment
  UC565486  Palafoxia arida var. arida H. L. Mason 1928-3-10 4189 Riverside Whitewater River Comment
  UCR244299  Palafoxia arida var. arida Jim Andre 2012-4-15 20860 Riverside Sonoran (Colorado) Desert, west end of Hayfield Dry Lake, 0.3 mi. N. of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10 395 Comment
  UCR279543  Palafoxia arida var. arida A. C. Sanders, Jim Malusa 2017-3-27 43128 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Siphon 22 on the Coachella Canal, just inside Naval Aerial Gunnery Range boundary 23 Comment
  RSA600855  Palafoxia linearis Marjorie D. Clary 1937-4-18 2776 Riverside Colorado Desert: Entrance to Thousand Palms Canyon; about 10 miles NW of Indio. 182 Comment
  RSA370869  Panicum capillare R. F. Thorne, S. Boyd, E. Lathrop 1985-7-18 61272 Riverside Sandia Canyon, De Luz-Murrieta Road 260 Comment
  RSA535743  Panicum capillare Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-2-2 6649 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness of the Cleveland National Forest. Upper San Mateo Canyon between confluence of Tenaja Canyon and Los Alamos Canyon. Comment
  RSA66302  Papaver californicum F. W. Peirson 1918-03 1890 Riverside Irrigated field near Indio. Comment
  RSA92743  Papaver californicum J. C. Roos 1952-5-19 5692 Riverside On hills north of Moreno. Comment
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May 20 2011
  RSA689406  Parietaria hespera var. californica Scott D. White, Michael Honer 2003-4-9 8999 Riverside Gavilan Hills: About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak '2349.' 549 Comment
  JEPS7793  Parietaria hespera var. hespera Rimo Bacigalupi with J. F. MacBride and Ruth D. Sanderson 1952-4-2 3603 Riverside off of Palm Canyon (at mouth of Andreas Canyon, lower slopes of Mt. San Jacinto); Mt. San Jacinto, Andreas Canyon Comment
  JOTR30675  Parietaria hespera var. hespera La Doux, Tasha, Jim Andre 2008-3-21 139 Riverside Joshua Tree National Park. Upper Cottonwood Cyn, approximately 2 mi. S. of Cottonwood Visitor's Center 880 Comment
  RSA448023  Parietaria hespera var. hespera J. Jones, Christopher Davidson 1980-4-4 9942 Riverside West end of the Orocopia Mts. in a small canyon and wash almost due south of Oro Peak. Comment
  UC848656  Parietaria hespera var. hespera Alice Eastwood 1913-4-30 3035 Riverside Palm Springs Comment
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Aug 10 2006
  CSUSB1654  Parkinsonia aculeata L. Codona 1972-7-25 Riverside Palm Springs 60 Comment
  LA31743  Parkinsonia florida Mary V. Hood; 1941-11-20 41- 180 k* Riverside S of Indio. near Imperial County line. Sea Level Comment
  RSA0041947  Parkinsonia florida Duncan S. Bell, Loraine Washburn 2014-4-8 s.n. Riverside Orocopia Mountains; at the entrance to Petra Canyon in Red Canyon, approximately 1 air mile north of the Bradshaw Trail. 398 Comment
  SEINET10434106 Image available Parkinsonia florida Marc A. Baker 2015-4-15 18328 Riverside San Gorgonio Pass, 8km east of Banning, 30km WNW of Palm Springs, 4km WNW of Cabazon 646 Comment
  UCR245248  Parkinsonia florida Jim Andre 2012-3-19 21342 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley along unnamed dirt road 0.3 mi. N. of Hwy 177, 5.7 mi. NE of junction with I-10 freeway 157 Comment
  RSA0045516  Parosela parryi Mary Edmunds 1932-3-26 s.n. Riverside Oasis. [Most likely the city in Riverside County]. Comment
  RSA699171  Parosela schottii Mary Edmunds 1932-3-26 s.n. Riverside Oasis-Coachella Valley. Comment
  RSA192081  Paspalum dilatatum E. W. Lathrop 1965-9-22 6022 Riverside 8 miles west of Murrieta. Comment
  CDA5093  Passiflora caerulea H. Gill, F. Harris 1974-7-8 Riverside Main Street and Mount Vernon Avenue, Highgrove. 0 Comment
  RSA0049953  Pectis papposa A. C. Sanders, T. B. Salvato 2012-10-12 40436 Riverside Chuckwalla Valley, along Wileys Well Rd. c. 3 miles north of Wileys Well/ Bradshaw Trail. 151 Comment
  SEINET6196074  Pectis papposa Stephanie Rockwood, Christi Gabriel 2011-1 119 Riverside Colorado Desert; Northeastern Colorado Desert region:Ford Dry Lake Area' Pallen Dunes Road. 110 exit 217. Chuckwalla Valley. (Hopkins Well: T6S R20E S31) 109 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
  UC577423  Pectis papposa var. papposa J. and H. W. Grinnell 1937-11-30 1084 a Riverside 24 mi w Blythe (bed of Ford Dry Lake); bed of Ford Dry Lake Comment
  UCR108477  Pectocarya A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16145 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  UCR20973  Pectocarya anisocarpa A. C. Sanders 1980-5-2 1432 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  JOTR30327  Pectocarya heterocarpa La Doux, Tasha, E. Babich, J. Galvin, B. Truesdell, N. Fraga, A. Miller, J. Van Warmerdam 2008-2-4 1771 Riverside Joshua Tree National Park. Hexie Mountains, southern end; Porcupine Wash. Stop #1: Open sandy wash near road heading to Cottonwood. 745 Comment
  RSA781367  Pectocarya linearis A. C. Sanders, T. B. Salvato 2011-4-1 38966 Riverside Lake Elsinore, hilltop 90 m NE of intersection of Baker St. and Bunker St., 0.35 km NW of Hwy 74 401 Comment
  UCR111561  Pectocarya linearis Mitch Provance 1998-5-4 1710 Riverside Jurupa Mountains, SW 'Rattlesnake Mt.', above the Ormand Quarry, c. 1.5 km west of peak 1739 366 Comment
  UCR228850  Pectocarya linearis A. C. Sanders, Nathan Moorhatch 2011-3-22 38793 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland in Menifee Valley, powerline route along McLaughlin Rd. east of Trumble Rd. and west of Antelope Rd. 440 Comment
  POM9017  Pectocarya linearis subsp. ferocula P. A. Munz, R. D. Harwood 1920-3-20 3387 Riverside Temescal Canyon 366 Comment
  UCR281239  Pectocarya penicillata Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-28 317- 51 Riverside Temescal Valley, Southern foot of the Gavilan Hills, slopes west of Black Powder Rd. 427 Comment
  GMDRC9810  Pectocarya platycarpa J. M. Andre 2017-3-1 38032 Riverside Chuckwalla Mountains: along powerline road 1.2 mi. SW of Interstate 10 at Eagle Mtn Rd exit 387 Comment
  RSA778240  Pectocarya platycarpa Duncan S. Bell 2009-3-8 45 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  SEINET3127003 Image available Pectocarya platycarpa A. C. Sanders, Richard Dwerlkotte 2010-3-22 37507 Riverside Sonoran (Colorado) Desert: Chuckwalla Valley, 2 mi. SE of Sidewinder Well, south of Palen Dry Lake, SW of Palen Mtns. (Sidewinder Well 7.5' Q.). 142 Comment
  POM368817  Pectocarya recurvata F. R. Fosberg 1932-3-13 10628 Riverside Thousand Palm Canyon, Coachella Valley Comment
  UCR60255  Pectocarya recurvata Steve Boyd, T. S. Ross, L. Arnseth 1989-4-2 3198 Riverside Peninsular Range, Vail Lake area, W end of bench on S flank of Oak Mtn. 549 Comment
  JOTR34198  Pectocarya setosa La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2991 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon with loamy slopes and rocky outcrops; 2009 burn area, below Lost Horse Mine Comment
  UCR68716  Pectocarya setosa Steve Boyd, T. S. Ross 1990-5-11 4611 Riverside Agua Tibia Mountains, Cleveland National Forest, base of Agua Tibia Mtn, east of Dripping Springs campground, south of Hwy 79 671 Comment
  UCSB18373  Pectocarya setosa Gates, Mary 1964-5-17 Riverside Pinyon Flats Campground; State Highway 74; 25 miles SW of Indio 1219 Comment
  RSA509566  Pedicularis densiflora John Adams 1966-4-30 s.n. Riverside 3 mi. above De Luz on dirt road. 915 Comment
  UC597695  Pediomelum californicum Philip A. Munz 1937-5-29 15104 Riverside at Public Camp Ground at Nightingale's (on Palms to Pines Highway, Santa Rosa Mts.); Santa Rosa Mts., Nightengale's 1219 Comment
  UCR145568  Pellaea andromedifolia Robert Whittaker, W. A. Niering 1963-5-28 SJ- 37 Riverside San Jacinto Mountains, Mountain Center to Hemet Hwy 976 Comment
  SEINET9628401 Image available Pellaea andromedifolia E. K. Balls, P. C. Everett 1957-11-13 22796 Riverside Snow Creek, n. base, San Jacinto Mts. Comment
  RSA33854  Pellaea andromedifolia var. andromedifolia John S. Garth 1944-4-8 1089 Riverside Andreas Canyon 457 Comment
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Apr 17 2011
  UCR135843  Pellaea mucronata A. C. Sanders 2004-4-20 27532 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  UCR280950  Pellaea mucronata Mitch Provance, Matt K. Beyers, John Hazlett, Jeremiah George 2017-4-6 417- 67 Riverside Temescal Valley, Indian Wash, SW of I-15, S side of De Palma Rd., 700-1100 ft. WNW of inter. with Glen Eden Rd. 366 Comment
  POM12686  Penstemon X parishii E. C. Jaeger 1921-6-13 s.n. Riverside Mc Mullin Trail. 1220 Comment
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Apr 4 2011
  POM259128  Penstemon californicus Philip A. Munz 1938-8-14 15378 Riverside East of Toro Peak 2287 Comment
  RSA750550  Penstemon californicus Scott D. White, Justin M. Wood 2009-5-21 12872 Riverside San Jacinto Mountains: Garner Valley, 0.5 miles NW of Morris Ranch Rd (Kenworthy Ranger Station). 1372 Comment
  UCR122741  Penstemon centranthifolius George K. Helmkamp, E. A. Helmkamp 1998-4-24 3380 Riverside Santa Rosa Mountains, Pinyon Pines along Calif. Hwy 74 between the San Jacinto and Santa Rosa Mountains 1296 Comment
  UCR98770  Penstemon centranthifolius Scott D. White 1996-8-1 4454 Riverside San Jacinto Mountains, Idyllwild area north of Isomata along USFS Road 5S24.1 1646 Comment
  SEINET10299459  Penstemon clevelandii Melissa Luckow, Rhonda Riggins 1982-4-15 822 Riverside 1.5 mi SE of Pinyon Crest Rd, 9.6 mi NW of junction Hwy 74 and 371 in Paradise Valley along Hwy 74 1158 Comment
  UCR178276  Penstemon heterophyllus Mitch Provance, Tracy Tennant 1998-6-16 MOR- 444 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon 823 Comment
  RSA786958  Penstemon heterophyllus var. australis Robert F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49543 Riverside Santa Ana Mountains: along Ortega Highway (74), perhaps 1/4 mile west of El Cariso Comment
  SEINET3078485 Image available Penstemon spectabilis Nancy J. Matthews 1963-5-9 50963 -5 Riverside 1 mile east of Cranston Ranger Station (San Jacinto Mtns.; Hwy 74) 610 Comment
  UCR164932  Penstemon spectabilis T. B. Salvato, John F. Green 2004-5-27 627 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
  UCR35235  Penstemon spectabilis L. B. Ziegler 1972-5-9 454 Riverside San Jacinto Mtns, San Jacinto Valley 473 Comment
  NY661160  Penstemon spectabilis var. spectabilis A. J. McClatchie 1892-4-27 s.n. Riverside Near Elsinore Comment
  NY661175  Penstemon spectabilis var. spectabilis R. M. Straw 1953-6-6 457 Riverside 0.4 mile north of Fulmore Lake on Idylwild to Banning Road Comment
  CAS-BOT-BC239694  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
  RSA180314  Pentachaeta aurea E. W. Lathrop 1959-4-2 4409 Riverside 18 miles S.W. of Elsinore. Tenaja plateau, south slope Comment
  HSC1081  Pentagramma triangularis W. R. Supernaugh, Jr. 1964-12-24 25 Riverside Joshua Tree Nat'l Monument, 0.25 mi. E of Ryan Campground 1311 Comment
  RSA687390  Pentagramma triangularis Norman C. Cooper 1947-4-5 2031 Riverside Los Alamos Canyon, Elsinore. 762 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
  SEINET9628508 Image available Pentagramma triangularis subsp. triangularis C. J. Rothfels, M. D. Windham, J. Beck, A. L. Grisz, E. Schuettpeltz, K. Pryer 2008-5-14 2558 Riverside San Jucinto Mountains, San Bernardino National Forest, South Fork Canyon, south side of Hwy 74, approx. 5.5 km west of Mountain Center (as the crow flies). 651 Comment
  UCD116370  Peritoma arborea var. angustata Richard Bates 1949-4-25 s.n. Riverside Palm Springs area, Palm Canon. Comment
  POM41485  Perityle emoryi Marcus E. Jones 1924-2-26 s.n. Riverside Shaver's Well. Comment
  RSA554426  Perityle emoryi Theo Glenn 1991-5-24 91 -133 Riverside Palen Mtns, NE of Desert Center. 399 Comment
  RSA656536  Perityle emoryi A. C. Sanders 2000-4-25 23357 Riverside east side of the Coachella Canal between I-10 and Ave. 56 (Airport Rd.), 3 miles E of Thermal 15 Comment
  RSA678350  Perityle emoryi Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10465 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
  SBBG92824  Perityle emoryi D. Charlton 1988-2-18 1121 Riverside Fargo Cyn Rd to Cottonwood Wash, parallel to Interstate 10, ca. 1 mi E of jct of Dillon Rd and Fargo Cyn Rd 609 Comment
  UC1719674  Perityle emoryi Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11214 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 Comment
  UC306393  Perityle emoryi Ivan Johnston 1917-4-4 Riverside Palm Canyon Colorado Desert Comment
  UC485143  Perityle emoryi F. M. Reed 1917-5-19 3854 Riverside Colorado Desert , Palm Canyon Comment
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Aug 14 2010
  UCR37636  Perityle emoryi George K. Helmkamp 1984-5-2 D- 5 Riverside Little San Bernardino Mountains, Big Morongo Canyon, 3 - 3.5 miles below the caretaker's house at the Big Morongo Preserve 610 Comment
  CAS-BOT-BC167769  Petalonyx thurberi Marcus E. Jones 1926-6-8 s.n. Riverside Whitewater Comment
  JEPS41242  Petalonyx thurberi Jos. Burtt Davy 1902-4-7 8050 Riverside Salton Comment
  RSA445159  Petalonyx thurberi Donald Myrick 1968-3-4 1802 Riverside On desert at Desert Hot Springs. 305 Comment
  SEINET7048060  Petalonyx thurberi subsp. thurberi Steven R. Hill 2001-4-29 33537 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
  UC872592  Petalonyx thurberi subsp. thurberi Lewis S. Rose 1938-12-19 38324 Riverside 6 mi. s. Cathedral City 45 Comment
  RSA69829  Petunia parviflora J. C. Roos 1951-10-19 5327 Riverside San Jacinto Valley near south end of Old Jackrabbit Trail. 457 Comment
  POM259711  Peucephyllum schottii P. A. Munz 1940-3-23 15664 Riverside South base of Pinto Mts., road Dale to Cottonwood Springs. 610 Comment
  POM6121  Peucephyllum schottii I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon 305 Comment
  RSA0104411  Peucephyllum schottii Duncan S. Bell, Sarah DeGroot, Cheryl Sevilla 2015-2-10 7742 Riverside Santa Rosa Mountains; upper north fork of Bear Creek, about 5.75 air miles north of the summit of Martinez Mountain. 357 Comment
  POM13312  Phacelia ambigua E. C. Jaeger 1921-5-20 1076 Riverside Palm Springs. Comment
  POM14022  Phacelia ambigua P. A. Munz, D. D. Keck 1922-4-9 4841 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 427 Comment
  POM289860  Phacelia ambigua Lyman Benson 1933-3-31 4171 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  RSA26586  Phacelia ambigua J. T. Howell 1928-3-24 3504 Riverside Near Palm Wash, 35 miles S of Indio and 5 miles W of Hwy Crumbly clay soil. Comment
  RSA427709B  Phacelia ambigua G. R. Johnstone 1930-4-14 14657 Riverside Shavers Well Comment
  RSA0012187  Phacelia ambigua var. minutiflora Dave Silverman, Mark Bibbo 2010-3-30 7836 Riverside east flank of southern McCoy Mountains, 3.0 km W of Black Creek Rd, 5.8 km NE of McCoy Peak, and 7 km north of I-10 195 Comment
  RSA427707  Phacelia campanularia Frances L. Cramer 1941-5-3 20319 Riverside Joshua Tree National Monument Comment
  RSA550021  Phacelia campanularia Walter Wisura, A. King, L. Newcomb 1992-4-10 4676 Riverside Gorgonio Pass: Stubbe Canyon N of W-Palm Springs. Comment
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Dec 25 2013
  SD119898  Phacelia campanularia Louis B. Ziegler 1973-5-2 508 Riverside Desert slopes of San Jacinto Mountains near Hwy #74, Ao to 1 mile below Pinyon Flats 1189 Comment
  UCR214908  Phacelia campanularia subsp. campanularia Scott D. White, Justin M. Wood, Paul Kielhold 2009-4-21 12586 Riverside San Bernardino Mountains, ridgeline east of Whitewater Canyon, c. 2 miles north of town of White Water (Hwy I-10), near Super Creek Quarry 747 Comment
  RSA124430  Phacelia campanularia subsp. vasiformis Percy C. Everett, E. K. Balls 1958-5-4 23082 Riverside Morongo Canyon. 671 Comment
  SD244170  Phacelia cicutaria var. hispida A. C. Sanders, Timothy W. Chumley 2013-4-2 40757 Riverside Peninsular Range: Temescal Canyon between Horsethief Canyon Road and Hostettler Road, south of I-15 Fwy, SE of Corona (Lee) Lake (Alberhill 7.5'Q) 405 Comment
  UCR251941  Phacelia cicutaria var. hispida Harun Bektas 2011-4-26 01 Riverside Riverside, Box Springs Mountain Park; 7 miles above Moreno Valley via Pigeon Pass Rd. 793 Comment
  UCR88426  Phacelia cryptantha A. C. Sanders, K. C. Rose 1995-4-5 16351 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  CHSC99633  Phacelia distans LeRoy Gross; Leland Lubinsky, Victor Steinman, Linda Worlow 2005-2-17 1419 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of campground. Near 33 37' 32' N, 115 19' 35' W: UTM 3721895N, 655238E Elevation 1574 feet. to 33 36' 52' N, 115 19' 54': UTM 3720669N, 654757E. Elevation 1800 feet. General collecting along canyon bottoms and slopes. 479 Comment
  JOTR31159  Phacelia distans La Doux, Tasha 2009-6-3 1867 Riverside Joshua Tree National Park. (Stop 5): Little San Bernardino Mountains, Covington Flats Area, lower slopes, just above parking area for lower Covington Flats 1460 Comment
  POM6743  Phacelia distans P. A. Munz, Street, Williams 1919-3-28 2366 Riverside San Gorgonio Pass, near Cabazon 543 Comment
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Mar 13 2011
  RSA0105078  Phacelia distans Daphne K. Christopher, Hannah Stevens 2003-4-6 104 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 540 Comment
  RSA85090  Phacelia distans J. C. Roos 1952-4-9 5493 Riverside Riverside, W face of Mt. Rubidoux. 400 Comment
  UC1518621  Phacelia distans Robert F. Thorne, Drs. Fosberg, Sachet, and Herbst 1983-4-23 55483 Riverside sandy wash along river where road crosses river below fish hatchery (ca 4 mi n of Whiatewater Post Office); San Bernardino Mts., Whitewater River 640 Comment
  UC494555  Phacelia distans Philip A. Munz 1932-3-14 11973 Riverside along wash of Deep Canyon Coachella Valley 91 Comment
  UCR133367  Phacelia distans Jeffrey Ross, T. B. Salvato 1998-5-28 MOR- 291 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, c. 3.5 miles NNW of Cabazon 915 Comment
  UCR185110  Phacelia distans LeRoy Gross, L. Lubinsky, V. W. Steinmann, L. L. Worlow 2005-2-17 1419 Riverside Chocolatte-Chuckwalla Mountains, Colorado Desert; Corn Springs Campground in the Chuckwalla Mountains. Canyon SW of Campground 549 Comment
  SEINET1908502  Phacelia imbricata A. C. Sanders, Mitch Provance 2008-1 35787 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. 1450 Comment
  CAS-BOT-BC145044  Phacelia keckii John Thomas Howell 1931-5-30 6611 Riverside Santiago Peak, Santa Ana Mts. 1219 Comment
  CLARK-A1656-701  Phacelia minor Theo Glenn 1979-3-11 Riverside Snow Creek Comment
  RSA0037194  Phacelia minor Tamara Joy Hanna 1991-5-4 2 Riverside Area of High Country Ranches. From Terwilliger Road (paved) east on Coyote Canyon Road (dirt) approx. 2 miles. 1219 Comment
  UCR113174  Phacelia minor A. C. Sanders 1998-1-15 21643 Riverside Lake Skinner area, along old Rawson Rd. just north of Crown Valley, above Diamond Valley at waterline of proposed reservoir 518 Comment
  SEINET3004982  Phacelia neglecta G. Rink, M. Baker 2011-4-1 10409 Riverside Northwest of Blythe, east of the McCoy Mtns, vegetated pockets in desert pavement 170 Comment
  UCR266364  Phalaris lemmonii D. E. Bramlet 2005-5-4 3845 Riverside Perris-Aguanga Basin Region, San Jacinto Valley, Winchester, along railroad tracks 454 Comment
  UC52395  Phlox gracilis H. M. Hall May 1899 Riverside Strawberry Valley San Jacinto Mts. 1828 Comment
  SD144147  Phoenix dactylifera A. C. Sanders, P. MacKay, G. Helmkamp, J. Stewart & C. L. Sanders 1994-12-4 15889 Riverside Colorado Desert, Salton Sink: Dos Palmas Spring and immediate vicinity. 29 Comment
  UCR211821  Pholisma arenarium Valerie Soza, Steve Boyd, Neil Gilbert 2000-12-6 1062 B Riverside Peninsular Range; San jacinto Mountains, Bautista Canyon, along Bautista Canyon Road, across from Bautista Conservation Camp 854 Comment
  RSA0043168  Pholistoma membranaceum Steve Boyd, Amber Maurice, Pesach Lubinsky, Lel Lubinsky 2003-4-17 10491 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
  CAS-BOT-BC135104  Phoradendron californicum Roxana S. Ferris 1918-6-14 964 Riverside by stream at Plam Springs Comment
  CAS-BOT-BC135113  Phoradendron californicum Peter H. Raven 1958-1-23 11418 Riverside in desert wash 7.8 miles N of United States Highway 99 on road to Morongo Valley Comment
  CDA22364  Phoradendron californicum T. C. Fuller 1961-1-1 5493 Riverside West of Highway 99, 1.5 miles south of Oasis. 0 Comment
  SD84924  Phoradendron californicum Nancy Ryan Zabriske, Walter Zabriskie 1971-10-24 460 Riverside southeast of turnoff to clubhouse from Andreas Canyon Club road; Andreas Canyon Watershed, east slope San Jacinto Mountains 320 Comment
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Jun 21 2013
  UC848862  Phoradendron californicum Lewis S. Rose 1938-12-17 38315 Riverside Palm Springs 137 Comment
  UCD166242  Phoradendron californicum Jack Major 1962-4-17 776 Riverside Along the west facing wall of Whitewater Canyon, just east of San Gorgonio Pass, north of US HWYs 60 and 70, (modern Interstate 10 in this locality). (Exact location unknown. Coordinates estimated by label maker.) 670 Comment
  RSA0127850  Phoradendron californicum G. Rink 2014-3-26 12447 Riverside Johnson Valley, about 1 mile south of Galway Dry Lake. 900 Comment
  UCR6522  Phoradendron densum O. F. Clarke 1966-10-15 661015- 2 Riverside San Jacinto/Santa Rosa Mtns., end of Big Horn Rd. 915 Comment
  UC1073268  Phoradendron villosum George B. Rossbach 1955-4-22 230 Riverside slope between Juniper Flat and Stubby Spring; Little San Bernardino Mts. 1402 Comment
  JEPS8987  Physalis crassifolia W. L. Jepson 1901-5-22 1386 Riverside Palm Canyon to Van de Venter's (San Jacinto Mts.); San Jacinto Mts. Comment
  POM14264  Physalis crassifolia Philip A. Munz, D. D. Keck 1922-4-9 4814 Riverside South base of Eagle Mountains 3 miles NE of the 'Hayfields' 213 Comment
  RSA600123  Physalis crassifolia Louis C. Wheeler 1959-12-27 7640 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
  RSA676146  Physalis crassifolia Scott D. White 2001-4-12 8308 Riverside Shaver's Valley. South of the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. 320 Comment
  UCR4493  Physalis crassifolia Frank C. Vasek 1960-3-24 600324- 17 Riverside Western Colorado Desert, Deep Canyon, Palm Desert [Palm Springs Museum's Deep Canyon Sanctuary] Comment
  UCR94494  Physalis crassifolia Steve Boyd 1981-2-5 s.n. Riverside Peninsular Range, Gavilan Hills Region, S flank of Monument Peak along abandoned road grade leading SW into Dawson Canyon 549 Comment
  JOTR00960  Physalis crassifolia Moran, Reid 1941-5-5 857 Riverside Joshua Tree National Park. COTTONWOOD PASS Comment
  CLARK-A1528-2029  Picris echioides John C. Roos 1937-5-23 2060 Riverside La Sierra Comment
  SEINET4406970  Pinus A. T. Peterson 1988-1 s.n. Riverside Joshua Tree National Mounument Comment
  SEINET10666440  Pinus coulteri Greg Gust, Leith Nye 2005-3-11 Gust 550 Riverside Cleveland National Forest. Just off of Hwy 74 opposite El Cariso Campground on washed out forest road. 762 Comment
  UC64431  Pinus coulteri W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1313 Riverside Johnston Ranch San Jacinto Mt. 1354 Comment
  UC64551  Pinus lambertiana H. M. Hall 1901-6-1 2320 Riverside near Tauquitz; San Jacinto Mountains 2682 Comment
  UC64553  Pinus lambertiana H. M. Hall 1902-4-16 2885 Riverside w side Tahquitz Peak; San Jacinto Mountains 2438 Comment
  UCR147593  Piperia transversa Naomi Fraga, S. DeGroot 2004-7-8 1300 Riverside Peninsular Ranges; San Jacinto Mountains region, On Chimney Flats Road (5S06) near intersection of 5S04 (the road to Alvin Meadows) 1524 Comment
  UCR41310  Piptatherum miliaceum N. M. Fellows, A. C. Sanders 1985-5-7 178 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  SEINET13710210  Pityrogramma triangularis J. Adams, J. Adams (Botany) 1966-1 340 Riverside Azalea Canyon, Above Campground 6000 Ft 1829 Comment
  UCR153486  Plagiobothrys acanthocarpus Steve Boyd, Ian G. Gillespie 2000-4-15 10301 Riverside Peninsular Ranges/ Perris-Aguanga Basin, Gavilan Hills region: S flank of Alberhill Mtn, just east of the heavily mined area 463 Comment
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Mar 24 2007
  UCR48487  Plagiobothrys acanthocarpus Steve Boyd 1986-3-9 1380 Riverside Peninsular Range, Temescal Canyon: Alberhill Mtn., south slope of mtn., just east of claymine area 488 Comment
  RSA0039460  Plagiobothrys canescens A. C. Sanders, Timothy W. Chumley 2013-4-1 40723 Riverside Hwy 74 at Collier, large vacant parcel at SE corner of intersection, NE edge of Lake Elsinore, between Riverside Dr. (Hwy 74) and Enterprise Way 385 Comment
  RSA715309  Plagiobothrys canescens A. C. Sanders, John Green 2006-5-18 32369 Riverside Temecula/Murrieta Region: SE of Murrieta Hot Spings along San Diego Aqueduct and powerline route, S of intersection of Chandler and Suzi Rds. and S of Hurrieta Hot Springs Rd., Side canyon dropping toward Santa Gertrudis Creek, 1 mile SW of Skunk Hollow. 351 Comment
  SD247370  Plagiobothrys canescens A. C. Sanders 2013-4-9 40784 Riverside Peninsular Range; Perris-Aguanga Basin; Romoland, along SCE powerline route east of I-15, parallel to McLaughlin Rd., west of Trumble Rdl, SE of Perris. 436 Comment
  UCR174377  Plagiobothrys canescens A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32625 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., vicinity of peak 2279 695 Comment
  SEINET272158  Plagiobothrys collinus A. C. Sanders 1997-3-1 19757 Riverside E side of Pigeon Pass Valley ca. .5 mi. NW of Lawless Ranch E of Hidden Springs Rd. intersection with Pigeon Pass Rd. 579 Comment
  RSA586126  Plagiobothrys collinus var. fulvescens D. L. Banks 1995-4-11 169 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, E of the Dripping Springs Trail. 950 Comment
  RSA0013027  Plagiobothrys collinus var. ursinus LeRoy Gross, Caitlin Elam 2013-5-14 6046 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
  UCR228175  Plagiobothrys jonesii Dave Silverman 2010-3-30 7888 Riverside Sonoran (Colorado) Desert, lower east flank of southern McCoy Mountains, 1.8 km W of Black Creek Rd, 7.0 km E of McCoy Peak, and 4.4 km north of I-10 183 Comment
  POM368988  Plagiobothrys leptocladus F. R. Fosberg 1932-5-9 10640 Riverside near Perris Comment
  POM3833  Plagiobothrys nothofulvus H. M. Hall 1902-4-26 2980 Riverside Box Springs Mountain, vicinity of Riverside 701 Comment
  SD133149  Plagiobothrys stipitatus var. micranthus A. C. Sanders, Rey and D. Willick 1991-4-19 10927 Riverside Edgemont area east of Sycamore Canyon 466 Comment
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Apr 5 2007
  UCR107411  Plagiobothrys tenellus B. G. Pitzer 1997-3-23 2966 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  UCR122526  Plagiobothrys tenellus George K. Helmkamp, E. A. Helmkamp 2001-5-20 6667 Riverside San Jacinto Mtns., 0.3 mi NW of Keen Camp Summit along CA-74 1494 Comment
  UCR211722  Plantago coronopus Fred M. Roberts 2005-5-26 6211 Riverside Perris Basin, San Jacinto Valley, city of San Jacinto, between the Ramona Expressway and Ramona Blvd, 0.2 km north of the latter, 1.9 km southwest of Gilman Hot Springs 442 Comment
  POM10266  Plantago erecta Charlotte M. Wilder 1905-4-9 580 Riverside Wilder's canon, Juniper [Jurupa] Hills. Comment
  RSA401992  Plantago erecta Ora M. Clark 1929-4-6 1960 Riverside S of Hemet. Comment
  UCR127332  Plantago erecta A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25841 Riverside San Bernardino/Santa Ana River Valley Region, Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope 421 Comment
  RSA594124  Plantago lanceolata D. L. Banks, Victor W. Steinmann 1996-4-20 898 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. 524 Comment
  RSA650895  Plantago major Robert Lindgren 1948-2-10 s.n. Riverside Covina. 183 Comment
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Feb 17 2013
  OBI36036  Plantago ovata David J. Keil 1976-12-12 11917 Riverside Along I-10, 37 mi E of Chiriaco Summit Comment
  UCR214869  Plantago ovata A. C. Sanders 2010-3-15 37400 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
  RSA402040B  Plantago ovata var. fastigiata N. R. Zabriskie, W. M. Zabriskie 1972-3-27 475 Riverside Andreas Canyon watershed, east slope San Jacinto mtns. 396 Comment
  JOTR16769  Plantago patagonica Moore, Sue 1968-5-5 s.n. Riverside Joshua Tree National Park. QUEEN VALLEY 1341 Comment
  JOTR33741  Plantago patagonica La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2740 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  RSA711031  Plantago patagonica A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16240 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert: San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village. 335 Comment
  UCR91742  Platanus racemosa A. C. Sanders, J. Goetzen 1996-5-1 18140 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  UCR162282  Platystemon californicus S. J. Myers, John F. Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  RSA613861  Platystemon californicus B. Pitzer 1997-4-11 3114 Riverside Lakeview Mtns Pulsar View Road (dirt), at sharp turn in road c. 1 mi. (air) NE of Juniper Flat Road, and c. 3/4 -1 mi. by road from the base of the hills. Approx. 3/4 mi. (airline) SE of Mt. Rudolph (measured from BM Nelson) 610 Comment
  CLARK-A1528-4441  Plectritis ciliosa Hoorieh 1980-5-10 Riverside San Jacinto Mountains 1432 Comment
  RSA795232  Pleuraphis rigida Justin M. Wood, Dustin M. Ray 2010-10-1 2771 Riverside Sonoran Desert: Chuckwalla Valley northwest of Victory Pass on east side of Kaiser Road +/-1 mile north of Desert Center Landfill at proposed Eagle Mountain Solar Site. 205 Comment
  POM122532  Pleurocoronis pluriseta Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring, Colorado Desert. Comment
  RSA0043057  Pleurocoronis pluriseta Duncan S. Bell, Evan Meyer 2014-4-1 6484 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 4.5 air miles northwest of Gucci Spring; about 4.5 air miles north of the Bradshaw Trail. 652 Comment
  UC604958  Pleurocoronis pluriseta Roxana S. Ferris and Ruth P. Rossbach 1938-5-16 9572 Riverside 2 mi up Painted Hills; Mecca Hills Comment
  POM14167  Pluchea sericea P. A. Munz 1922-4-9 4912 Riverside Vicinity of Corn Springs, Chuckwalla Mountains. 457 Comment
  RSA472129  Pluchea sericea Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  UC1713243  Poa annua unknown April 1917 Riverside Riverside Comment
  RSA741264  Poa pratensis Scott D. White, Justin M. Wood 2008-7-10 12455 Riverside Fobes Spring 1500 Comment
  SEINET186899 Image available Poa secunda Philip A. Munz 15658 Riverside North slope .Whitewater Canyon , 2 miles north of Banning-Indio boulevard. Comment
  UCR38689  Polanisia dodecandra subsp. trachysperma J. M. Stewart 1985-7-9 8524 Riverside Sonoran (Colorado) Desert, Living Desert (nursery), 47900 Portola Ave., Palm Desert. 122 Comment
  RSA593878  Polycarpon tetraphyllum Steve Boyd, David E. Bramlet 1996-4-19 8622 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, E base of rounded hill at the N end of California Avenue, N of Stetson Avenue 457 Comment
  RSA33801  Polygonum aviculare subsp. aviculare N. C. Cooper 1943-9-10 920 Riverside Banning. 640 Comment
  RSA0116457  Polygonum hydropiperoides Mitch Provance 2012-11-10 17604 Riverside San Bernardino Valley: Riverside, Springbrook Creek (remnant) Fairmont Park, between the east side of Lake Evans and the west side of Market St. 245 Comment
  IRVC160  Polystichum imbricans subsp. curtum R. H. Whittaker, W. A. Niering 1963-6-6 SJ 225 Riverside San Jacinto Ridge Road (5509) N Fork San Jacinto River. Peninsular Ranges, San Jacinto Mountains 1311 Comment
  IRVC170  Polystichum imbricans subsp. curtum Debbi DeVault 1965-4-24 HS 556 Riverside Highway 74; 1/4 mile SE of Keen Camp Summit. Peninsular Ranges, San Jacinto Mountains Comment
  SEINET10767438  Populus J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12842 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then a few kilometers on Whitewater Canyon Road to where it comes closest to the river. Comment
  RSA125852  Populus fremontii E. K. Balls, Percy C. Everett 1957-11-13 22797 Riverside Snow Creek, north base San Jacinto Mountains. 701 Comment
  CAS-BOT-BC356166  Porophyllum gracile Carl B. Wolf 1932-4-29 3093 Riverside Eastern Colorado Desert. W. edge of Maria Mts. 17 mi. from Blythe on Rice Road 152 Comment
  HSC6072  Porophyllum gracile C. L. Hitchcock 1966-3-21 24330 Riverside In Mule Mts.; 20 mi. SW of Blythe Comment
  RSA463701  Porophyllum gracile Harold Lint 1958-5-25 2035 Riverside East of Pinyon flats campground. Pines to Palms Hwy [Hwy 74]. Comment
  RSA525440  Porophyllum gracile Steve Boyd, David E. Bramlet 1990-4-29 4485 Riverside Lake Skinner County Park, S flank of Bachelor Mountain Comment
  UCR94922  Portulaca oleracea Scott D. White 1996-9-22 4534 Riverside Perris Basin, Perris: Nuevo Road, just east of San Jacinto River crossing 435 Comment
  RSA234098  Potamogeton foliosus Robert F. Thorne, E. W. Lathrop 1969-6-6 39343 Riverside Santa Rosa Plateau: Rancho California 610 Comment
  JEPS44217  Potentilla gracilis var. fastigiata W. L. Jepson 2297 Riverside Tauquitz Valley San Jacinto Mt., Tauquitz Valley 2286 Comment
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Apr 3 2011
  RSA652726  Prosopis glandulosa var. torreyana Jack Stennes 1949-4-16 s.n. Riverside Desert near oasis. 0 Comment
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Apr 6 2011
  UCR13750  Prosopis pubescens N. R. Zabriskie, W. W. Zabriskie 1971-10-24 459 Riverside Western Colorado Desert/ San Jacinto Mtns, E slope of San Jacinto Mountains, Andreas Canyon watershed, SE of turnoff to clubhouse from Andreas Canyon Club Road 320 Comment
  RSA604714  Prosopis velutina L. C. Wheeler 1961-10-8 7933 Riverside Temescal Canyon: at Dawson Canyon Fire Road. Comment
  CAS-BOT-BC158292  Prunus fasciculata var. fasciculata Annie M. Alexander; Louise Kellogg 1941-5-14 2172 Riverside Cottonwood Spring Pass, Eagle Mts. 914 Comment
  CLARK-A1528-4031  Prunus fremontii John C. Roos, Lucille Roos 1953-3-21 5908 Riverside Palm Springs 274 Comment
  SD229262  Prunus fremontii Dick Schwenkmeyer 2013-6-11 912 Riverside Approx. 1.5 miles north od highway 74 and Royal Carrizo Road intersection. 854 Comment
  UC472699  Prunus fremontii M. F. Spencer 1918-4-1 Riverside Colardo Desert, Andreas Canyon Andreas Canyon; Colardo Desert, Andreas Canyon 100 Comment
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Jul 10 2009
  UCR132746  Prunus fremontii Scott D. White 1993-2-5 1047 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, Tahquitz debris basin at base of Tahquitz Canyon, off Sunnydunes Drive 183 Comment
  RSA586932  Prunus ilicifolia subsp. ilicifolia D. L. Banks, Peter Morrell 1995-5-4 298 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 Woodchuck Trail. 549 Comment
  SDSU13933  Prunus ilicifolia subsp. ilicifolia Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2142 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  CAS-BOT-BC356352  Psathyrotes ramosissima Carl B. Wolf 1932-4-26 2972 Riverside Colorado Desert. 5 mi. E. of Mecca, on Blythe Road 30 Comment
  POM358760  Pseudognaphalium biolettii Ora M. Clark 1929-2-24 1539 Riverside N slope of San Jacinto S of Cabazon Comment
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Nov 9 2011
  CAS-BOT-BC356663  Pseudognaphalium californicum T. B. Salvato; John F. Green 2004-5-27 708 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
  UCR280937  Pseudognaphalium leucocephalum Mitch Provance, Matt K. Beyers 2017-6-8 617- 13 Riverside Temescal Valley, Indian Wash, SW of I-15, S side of De Palma Rd., about 0.2 mi WNW of inter. with Glen Eden Rd. 366 Comment
  UCR270708  Pseudognaphalium microcephalum John F. Emmel 1998-8-9 1584 Riverside San Jacinto Mountains, foothills at southwest edge of the mountains, Bautista Canyon, 0.4-0.5 road mile southeast of national forest boundary 723 Comment
  RSA16329  Pseudotsuga macrocarpa Percy C. Everett 1935-6-18 7205 A Riverside Santa Ana Mts., Coldwater Can. Trail, about 2 mi. below (North) Main Divide Motorway. 1220 Comment
  CLARK-A1045-106  Psoralea californica George K. Helmkamp 1978-5-20 Riverside Pinyon Flats Campground southwest 1/4 Palm Desert 15'Q Comment
  UCR144127  Psorothamnus arborescens var. simplicifolius Scott D. White 2001-4-18 8357 Riverside Sonoran (Colorado) Desert, Coachella Valley, Palm Springs, NE corner of Sunrise Drive and San Raphael Drive 165 Comment
  UCR269106  Psorothamnus arborescens var. simplicifolius Orlando Mistretta, Duncan S. Bell, et al. 2010-4-12 4761 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 600 Comment
  POM275393  Psorothamnus emoryi L. R. Abrams 1926-3-26 11098 Riverside between Edom and Garnet east of San Gorgonio pass. Comment
  UCD108298  Psorothamnus emoryi Dan Axelrod 1932-3-20 s.n. Riverside 8 mi. east of Oasis on Jones Ranch. Comment
  UCSB3043  Psorothamnus emoryi Mooney, Harold 1956-4-14 Riverside Turn off to Desert Hot Springs on Highways U.S. 60, 70, 99 Comment
  CAS-BOT-BC352325  Psorothamnus fremontii var. fremontii Robert F. Thorne 1964-5-3 33849 Riverside near hwy. ca. 4 miles S of Morongo Valley and ca. 3 miles S of San Bernardino County line Comment
  CAS-BOT-BC340875  Psorothamnus schottii John Thomas Howell 1928-3-25 3548 Riverside At entrance to Painted Canon [Canyon], Colorado Desert Comment
  CAS-BOT-BC340921  Psorothamnus schottii Mrs. G. Earle Kelly 1926-4-1 s.n. Riverside Palm Springs Comment
  OBI2854  Psorothamnus schottii Lanny Swerdlow 1967-5-21 30 Riverside Ca. 22 mi NNW of Indio in Thousand Palm Cyn in Colorado Desert 195 Comment
  RSA404246  Psorothamnus schottii Anstruther Davidson 1895-4-10 s.n. Riverside Palm Springs. Comment
  RSA404257  Psorothamnus schottii P. J. Remple 1942-3-22 s.n. Riverside Dead Indian Creek near Palms to Pines Hwy. Comment
  SBBG29378  Psorothamnus schottii D. Myrick 1968-3-2 1800 Riverside Desert Hot Springs 304 Comment
  UC68509  Psorothamnus schottii H. M. Hall Apr., 1905 5758 Riverside Palm Springs , Palm Springs (Colorado Desert) 152 Comment
  UCR148301  Psorothamnus schottii John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  UCR158770  Psorothamnus schottii Lyman Benson, Robert Benson 1952-4-8 14848 Riverside Sonoran (Colorado) Desert, 2 mi. west of Shaver Summit [Chiriaco Summit] east of Indio, U.S. Hwy 66 518 Comment
  UCR89647  Psorothamnus schottii Bern Schwenn 1994-4-29 s.n. Riverside southern Mojave Desert, Joshua Tree National Monument, E side of Hexie Mtns., along Ruby Lee Well Road. 823 Comment
  UC164878  Psorothamnus spinosus S. B. Parish 1912-6-28 8107 Riverside near Mecca (Red Canyon, Colorado Desert); Colorado Desert, near Mecca, Red Canyon Comment
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Nov 24 2011
  UC52159  Psorothamnus spinosus E. E. Schellenger July 25 1903-Aug 14, 1903 2 Riverside Chuckawalla Bench, Colorado Desert Comment
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Aug 27 2016
  UCD34520  Psorothamnus spinosus Beecher Crampton 1985-5-8 9964 Riverside Riverside County, west of Blythe along hwy. 10. Comment
  RSA180397  Pterostegia drymarioides E. W. Lathrop 1965-5-7 5709 Riverside 5 miles SW of Murrieta on the De Luz Road. Comment
  RSA245520  Pterostegia drymarioides Larry E. DeBuhr 1973-3-29 941 Riverside About 3 miles north of I-10 along Hwy 62. Comment
  UCD100932  Pterostegia drymarioides A. C. Sanders; T. B. Salvato, Mitch Provance 2003-4-4 25836 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 365 Comment
  UCR177991  Pterostegia drymarioides S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1189 Comment
  UCR264642  Quercus Mitch Provance 2012-4-27 412- 21 Riverside The Badlands, Mt. Davis, southwest of Beaumont, about 1 mi S of I-10 and SR-60 interchange, just E of Davis Mountain Dr. and S of Westward Ave. 799 Comment
  UCR266607  Quercus Mitch Provance 2009-9-10 17426 Riverside San Bernardino Mountains, Banning, beneath SCE lines, about 0.95 mi N of the intersection of Florian St. and W Gilman 909 Comment
  UCD47747  Quercus X acutidens D. Q. Cavagnaro 1963-9-17 85 Riverside State Highway 79, 11.5 miles west of Aguanga, Riverside County, California. 426 Comment
  SDSU6972  Quercus agrifolia var. agrifolia Ruth Miller, James C. Dice 1987-11-23 753 Riverside Near northeast edge of Reserve, at north edge of Eucalyptus planting. T8S, R3W, section 22. 111 Comment
  UCR138601  Quercus agrifolia var. agrifolia D. L. Banks 1996-11-7 1209 Riverside Agua Tibia Mountains, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. At the end of the main road in the Reservation, 0.5 km west of the spring on the N fork of Pechanga Creek, at the E end of the Reservation 427 Comment
  RSA79037  Quercus agrifolia var. oxyadenia E. K. Balls, Percy C. Everett 1952-11-18 18255 Riverside Vandeventer Flats, s.e. end of San jacinto Mts., 1402 Comment
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Jun 30 2012
  UCD45075  Quercus agrifolia var. oxyadenia Maunsell Van Rensselaer 1937-6-24 s.n. Riverside San Jacinto Mountains, Riverside County, California. Comment
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Mar 29 2014
  UCR132706  Quercus berberidifolia A. C. Sanders, T. B. Salvato 2004-2-16 27392 Riverside Santa Ana Mtns., foothills at edge of Temescal Valley, summit of ridge proposed for removal at development called 'Trilogy at Glen Ivy,' south of Brown Canyon 451 Comment
  UCSB34694  Quercus berberidifolia Nixon, Kevin; Hendon, Emily 1980-5-23 Riverside 3.3 mi. southwest of Hwy 243 on old Banning-Idyllwild road; San Jacinto Mountains Comment
  RSA763064  Quercus dumosa E. W. Lathrop 1969-6-5 7092 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  SD122862  Quercus engelmannii Steve Boyd 1985-7-30 1047 Riverside 7.8 miles west of Rancho California, De Luz road Comment
  CAS-BOT-BC105319  Quercus kelloggii Carl Epling 1931-10-4 245 Riverside Strawberry Valley, San Jacinto Mts. 1584 Comment
  SEINET13953550 Image available Quercus kelloggii Carl B. Wolf 1932-1 3992 Riverside San Jacinto Mts. Strawberry Valley, base of Devil's Slide Trail to Tahquitz Valley 1707 Comment
  CAS-BOT-BC104313  Quercus palmeri E. K. Balls; P. C. Everett 1952-11-18 18257 Riverside by entrance to Santa Rosa Indian reservation, Vandeventer Flats 1402 Comment
  RSA654164  Quercus palmeri A. C. Sanders, Steve D. Boyd, Mitch Provance, J. Ross 1998-10-25 22286 Riverside San Jacinto Mtns.: Santa Rosa Indian Reservation along Hwy 74, 2.1 mi. E of Hwy 371 junction to Anza, just W of Vandeventer Flat. 1463 Comment
  UCR96263  Quercus wislizeni Scott D. White 1996-8-1 4445 Riverside San Jacinto Mtns., Idyllwild area: north of Strawberry Valley, between Bear Trap Canyon and Lily Creek 1616 Comment
  RSA221005  Quercus wislizeni var. frutescens E. W. Lathrop 1966-5-29 6385 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  CAS-BOT-BC362519  Rafinesquia californica John Thomas Howell 1931-5-30 6592 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  RSA702743  Rafinesquia californica Scott D. White, Michael Honer 2004-4-6 10038 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
  UCR174365  Rafinesquia californica A. C. Sanders 2006-5-19 32410 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
  UCR180043  Rafinesquia californica Mitch Provance 2005-5-18 9812 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  SEINET7048172  Rafinesquia californica Steven R. Hill 2001-5-3 33678 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
  CAS-BOT-BC362627  Rafinesquia neomexicana John H. Thomas 1957-3-30 6570 Riverside Joshua Tree National Monument. About 3 miles southeast of White Tank near the road to Cholla Cactus Garden. About 20 miles northeast of Indio 883 Comment
  CAS-BOT-BC362628  Rafinesquia neomexicana Cecil Hart 1926-3-9 s.n. Riverside Between Indio & Whitewater Comment
  CLARK-A1656-688  Rafinesquia neomexicana Lois Ann Scott 1979-3-2 Riverside Rancho Mirage 91 Comment
  UCR214290  Rafinesquia neomexicana A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37483 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
  RSA95060  Rafinesquia neomexicana F. W. Peirson 1914-04 1476 Riverside Whitewater at head of Coachella Valley. Comment
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Apr 30 2011
  RSA0030881  Ranunculus cymbalaria var. saximontanus Ira W. Clokey, E. G. Anderson 1935-8-21 6627 Riverside Hemet. 1030 Comment
  UCR90986  Rhamnus crocea Scott D. White 1996-3-31 3872 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  RSA6120  Rhamnus ilicifolia Carl B. Wolf 1932-5-25 3688 Riverside Small Canyon on Gilman Ranch in foothills north of Banning 854 Comment
  CDA28764  Rhododendron occidentale var. californicum G. F. Hrusa 1993-6-23 9769 Riverside San Jacinto Mountains; N Fk. San Jacinto River, Dark Canyon. 1694 Comment
  CAS-BOT-BC167972  Rhus ovata Ernest Braunton 1929-3-3 1026 Riverside Morongo Pass, San Bernardino Co. near Riverside Co. line 152 Comment
  IRVC90  Rhus ovata M. Savage 1965-4-24 s.n. Riverside [E of Mountain Center] Route 74; Keen Camp Summit. Peninsular Ranges, San Jacinto Mountains Comment
  RSA192296  Rhus ovata E. W. Lathrop 1966-3-2 6044 Riverside 10 miles NW of Murrieta, 1 mile W of Los Alamos Ranch, Cleveland National Forest. Comment
  RSA403687  Rhus ovata E. Crow 1928-11-12 43 Riverside Morongo Valley, Colorado Desert. Comment
  UCD116938  Rhus ovata T. B. Salvato; Kent Beaman 2005-5-16 880 Riverside San Jacinto Mtn foothills: San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy 74. 549 Comment
  UCR230199  Rhus ovata A. C. Sanders 2011-4-6 38994 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
  RSA753547  Rhus trilobata Michael Wall 2009-6-12 520 Riverside San Jacinto Valley, Bautista Canyon Rd. ca. 8.0 miles SE of jct. with Fairview Ave. 762 Comment
  CAS-BOT-BC108717  Ribes cereum Mary F. Spencer 1919-7-6 1217 Riverside San Jacinto Mountains. Laquitz Meadow. 2377 Comment
  CAS-BOT-BC108718  Ribes cereum Louis C. Wheeler 1931-10-3 237 Riverside 1.5 mile north Tahquitz Peak, San Jacinto Mountains. 2514 Comment
  UC455598  Ribes cereum I. J. Condit 1910-6-23 Riverside San Jacinto Mts. 3200 Comment
  POM305346  Ribes indecorum Henry J. Ramsey 1938-2-25 672 Riverside Temecula Comment
  UC1608282 Image available Ribes indecorum Steve Boyd, Tim Ross 1993-2-22 7720 Riverside w Perris (in canyon along Santa Rosa road beween Gavilan Plateau and road to Steele Valley); Gavilan Hills 624 Comment
  UCR45966  Ribes indecorum R. F. Thorne, W. Wisura, E. W. Lathrop, S. Meury 1985-5-18 60669 Riverside Peninsular Ranges/Santa Ana Mtns, Santa Rosa Plateau: edge of Cleveland National Forest 610 Comment
  SD216485  Ribes nevadense Jay B. Walker 1995-5-3 1410 Riverside San Bernardino National Forest, South of Pinyon Flat Campground, at terminus of USFS Road. 1900 Comment
  SD73422  Ribes nevadense Russell S. Woglum 1937-5-22 580 Riverside Santa Rosa Mountains. 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
  UCR167840  Rorippa nasturtium-aquaticum T. B. Salvato, Melissa Clemons 2005-6-23 1306 Riverside Peninsular Range; Temescal Valley, Walker Canyon, 1.5 mi due east of Alberhill, N of Hwy I-15 412 Comment
  UC1563098  Rorippa palustris Steve Boyd, Tim Ross, Laurel Arnseth 1989-5-7 3553 Riverside marsh in Kolb Creek (just south of lake Vail Lake area); Vail Lake area, pond and marsh in Kolb Creek Comment
  RSA736648  Rorippa palustris subsp. occidentalis Justin M. Wood 2008-7-16 38 Riverside Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan property, Alberhill area. Comment
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Jul 28 2010
  CAS-BOT-BC147538  Rosa californica Lathrop; Thorne 1967-9-26 6611 Riverside Tenaja Guard Station, 10 mi. NW of Murrieta Comment
  RSA192111  Rubus ursinus E. W. Lathrop 1960-6-9 4986 Riverside 14 miles west of Murrieta. Comment
  POM14993  Rumex acetosella Mary F. Spencer 1922-6-16 s.n. Riverside Idyllwild, San Jacinto Mountains. 1646 Comment
  CAS-BOT-BC421719  Rumex conglomeratus E. W. Lathrop 1966-5-15 6309 Riverside 3 miles SE of Murrieta on the De Luz Road Comment
  UCR91404  Rumex conglomeratus Scott D. White 1995-4-5 2720 Riverside San Jacinto Valley, San Jacinto Wildlife area, near northern boundary, off Davis Rd. 427 Comment
  UCR90768  Rumex crispus D. E. Bramlet 1992-5-15 2280 Riverside Perris-Aguanga Basin region, Pipeline seep located south of Lakeview Hot Springs and just south of the MWD access road, some 833 m. west of the San Jacinto River and 433 m east of the intersection of Pozos Rd. and the MWD pipeline maintenance road Comment
  POM204506  Rumex crispus M. French Gilman 1934-7-8 s.n. Riverside San Jacinto Mountains Comment
  UCR266490  Rumex dentatus Mitch Provance, Matt Amalong 2015-4-6 415- 17 Riverside Temecula/Murrieta Region, About 0.5 mile SW of Winchester, along Leon Rd., near its SW corner with Domenigoni Parkway 444 Comment
  UCR41055  Rumex dentatus O. F. Clarke 1985-5-13 s.n. Riverside San Jacinto River Valley, Gun club ponds east of Davis Road, a short distance north of Lakeview, east of the Bernasconi Hills 428 Comment
  UCR94249  Rumex hymenosepalus Scott D. White 1996-4-14 3910 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
  UCR182351  Rumex maritimus Mitch Provance 2005-5-17 6553 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
  UCR80798  Rumex salicifolius Scott D. White 1993-5-29 1479 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1372 Comment
  UCR101585  Salazaria mexicana 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
  UCR243157  Salazaria mexicana LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4292 Riverside Transverse Ranges; San Bernardino Mountains, Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat Canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon 871 Comment
  SD1014  Salix exigua var. hindsiana Mrs. H. P. Bracelin 1932-4-12 600 Riverside East side of the bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside 239 Comment
  SD137625  Salix exigua var. hindsiana Darin L. Banks, Steve Boyd 1995-3-16 101 Riverside Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage 555 Comment
  CAS-BOT-BC108145  Salix gooddingii A. C. Sanders 2004-5-12 27866 Riverside Elsinore Basin Region: Walker Canyon at north foot of Alberhill Mountain, Temescal Creek 377 Comment
  RSA512129  Salix gooddingii Ed LaRue 1989-4-21 s.n. Riverside Moreno Valley, ca. 1 mi S of Hwy 60 on Nason St. Adjacent to W side of Nason, S of Dracaea Ave. Comment
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Aug 27 2010
  SBBG119448  Salix gooddingii A. C. Sanders 2004-5-12 27866 Riverside Walker Cyn at N foot of Alberhill Mtn, Temescal Crk 378 Comment
  SEINET10626236  Salix gooddingii Nye Leith, Greg Gust 2005-3-11 Nye 57 Riverside Lake Elsinore. Intersection of Diamond Circle and Malaga Rd. Off Mission Trail Rd. 399 Comment
  UCR270191  Salix gooddingii A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42412 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  UCR275356  Salix gooddingii T. B. Salvato, Melissa Clemons 2005-6-9 1499 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  RSA192109  Salix laevigata E. W. Lathrop 1960-6-9 4980 Riverside 14 miles west of Murrieta. Comment
  UC1287122  Salix laevigata C. L. Hitchcock 1966-3-15 24153 Riverside 1 mi e Glen Ivy Hot Springs Comment
  UCR140701  Salix laevigata A. C. Sanders 2004-5-12 27867 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  POM319279  Salix lasiolepis Patricia Wilder 1972-2-18 5356 Riverside North side of Norco, along the Santa Ana River at the end of Pedley St. 229 Comment
  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
  UCR140651  Salix lasiolepis Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 11- 80 Riverside San Jacinto Mtns, San Bernardino National Forest, 5 miles north of Idyllwild on Hwy 243, Site L11 1775 Comment
  UCR11306  Salix lucida subsp. lasiandra O. F. Clarke, M. Alexander 1971-3-31 s.n. Riverside Santa Ana River Bottom, Union Pacific Bridge 213 Comment
  UCR103730  Salsola australis A. C. Sanders 1997-3-19 20035 Riverside Lake Skinner area, S foot of Bachelor Mtn., across the northern arm of the lake from the boat ramp, from dirt track down to lakeshore 457 Comment
  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
  POM12755  Salsola tragus P. A. Munz 1922-7-3 5947 Riverside Vandeventer Flat 1372 Comment
  SD143742  Saltugilia australis A. C. Sanders, P. MacKay, et al. 1997-5-4 20650 Riverside San Jacinto Mountains; north side along Highway 243, 1.5 mile below Twin Pines Ranch Road (McMullen Flat), north slope of peak 3740. 1067 Comment
  UCR262251  Saltugilia latimeri T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3746 Riverside San Jacinto Mountains, San Jacinto River Canyon, c. 0.16 mi south-southwest of the dirt parking area at the head of the South Fork Trail (FSR 2E17) from Hwy 74 1250 Comment
  UC167115  Saltugilia splendens subsp. splendens Geo. B. Grant May 1 - 10, 1906 509 -6757 Riverside Palm Springs Colorado Desert at Palm Springs (Colorado Desert) Comment
  UC880174  Saltugilia splendens subsp. splendens I. W. Clokey, E. G. Anderson 1935-8-21 6827 Riverside Keen Camp P.O. 1350 Comment
  RSA27034  Salvia apiana C. L. Hitchcock 1940-4-12 6045 Riverside 8 mi. northwest of Elsinore 457 Comment
  RSA727073  Salvia carduacea Jay Walker, R. C. Walker 3090 Riverside S of Hemet, 1/4 mi. S of Gibbel Rd. about 1 mile E of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, S of mouth of Avery Cyn. Comment
  UC1506079  Salvia carduacea Robert T. Clausen with E. R. and H. E. Clausen 1963-4-18 63050 Riverside 10 km se Murrieta (ridge s of Santa Gertrudis Creek) Comment
  UCLA70033  Salvia columbariae Virginia Mars 1951-4-21 Riverside Hidden Springs Comment
  UCR85174  Salvia columbariae A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16096 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  CAS-BOT-BC221084  Salvia eremostachya Peter H. Raven 1958-5-18 13001 Riverside 1.7 miles north-east of Pinon [Pinyon] Flats, San Jacinto Mountains Comment
  SBBG6390  Salvia eremostachya H. and M. Dearing 1942-3-29 4848 Riverside Dos Palmas Spring, near Palms to Pines Hwy Comment
  OBI74592  Salvia mellifera David J. Keil 1983-4-15 16901 Riverside E of Temecula on SR79 Comment
  UCR133375  Salvia mellifera Mitch Provance, J. S. Ross 1998-3-27 MOR- 984 Riverside San Bernardino Mtns., Morongo Indian Reservation, Deep Canyon, 2.5 miles NNE of Cabazon 732 Comment
  UCR251307  Salvia mellifera T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2013-3-28 7428 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Murrieta Road and Scott Road 517 Comment
  UCR89858  Salvia mellifera Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3325 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
  VVC296  Salvia mellifera P. J. MacKay 1975-4-12 s.n. Riverside Southern California, Rancho La Sierra, just south of Hwy 91 near Green River Dr. Exit 210 Comment
  SD80097  Salvia pachyphylla subsp. pachyphylla Nancy Ryan Zabriskie, Walter Zabriskie 1971-8-21 438 Riverside Santa Rosa Mountain Rd, Below Santa Rosa Spring Camp 2194 Comment
  RSA444483  Salvia vaseyi J. C. Roos 1965-6-13 s.n. Riverside Santa Rosa Mountains: Pines to Palms Highway (74), below Dos Palmas Springs. Comment
  RSA640158  Salvia vaseyi Louis C. Wheeler 1955-6-16 7160 Riverside Palm to Pines Highway: at culvert P5.53 610 Comment
  UCR86855  Salvia vaseyi A. C. Sanders, K. C. Rose 1995-4-27 16736 Riverside Sonoran (Colorado) Desert, Coachella Valley, foot of the Little San Bernardino Mtns., canyon east of Fan Hill, just outside Joshua Tree Nat. Park 549 Comment
  POM12853  Sambucus caerulea P. A. Munz 1922-6-24 5791 Riverside Pipe Creek, Hemet Valley 1402 Comment
  UCR193902  Sambucus mexicana A. C. Sanders, Mitch Provance 2008-7-11 35781 Riverside Peninsular Range; San Jacinto Mtns., FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station 1463 Comment
  UCR102886  Sanicula bipinnatifida A. C. Sanders 1997-3-26 20137 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  RSA471474  Sanicula crassicaulis N. C. Cooper 1947-4-5 2044 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  UCR174060  Sanicula crassicaulis A. C. Sanders 2006-5-19 32455 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
  RSA97373  Sanicula tuberosa F. W. Peirson 1922-4-29 4053 Riverside Leach Canyon, near Lake Elsinore, Santa Ana Mts. 610 Comment
  CAS-BOT-BC466220  Sarcodes sanguinea Peter H. Raven 1959-5-18 14240 Riverside San Jacinto Mts: Lake Fulmor Comment
  JOTR30681  Sarcostemma hirtellum Andre, Jim, Tasha La Doux 2008-9-13 10263 Riverside Joshua Tree National Park. Chuckwalla Valley, along Hwy 177 (northwest side), southeast end of Coxcomb Mountains. East boundary of Joshua Tree National Park. 160 Comment
  UC68708  Sarcostemma hirtellum H. M. Hall Apr., 1905 5857 Riverside Canyon Springs Colorado Desert, Canyon Springs Comment
  UCD92909  Schismus arabicus H. E. Parks; S. T. Parks 1940-3-1 s.n. Riverside Santa Rosa Canyon near Indio. Comment
  UCR279473  Schismus arabicus A. C. Sanders, Jim Malusa 2017-3-29 43197 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 2.8 km south of the confluence of Red Canyon and Salt Creek 460 Comment
  RSA483279  Schismus arabicus Robert Gustafson 1980-4-3 1519 Riverside Orocopia Mountains, about 6 miles east of Mecca on Box Canyon road. 305 Comment
  RSA420831  Schismus barbatus Christopher Davidson 1973-4-1 1801 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  RSA715945  Schismus barbatus Scott D. White, Angelia Carey 2004-4-5 10033 Riverside North of Valle Vista. Indian Creek Watershed. 518 Comment
  SD247293  Schismus barbatus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41445 Riverside San Gorgonio Pass: San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms (White Water 7.5'Q) 433 Comment
  UCD93262  Schismus barbatus Geoffrey Levin 1977-2-26 1179 Riverside About 13 mi. north of I40 on Essex Rd., just outside Providence Mts. State Recreation Area. Providence Mts. 975 Comment
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Jun 15 2012
  UCR1579  Schoenoplectus acutus var. occidentalis William G. Truesdell 1962-5-25 52562- 4 Riverside San Bernardino Valley Region, Riverside, marsh beside Lake Evans 305 Comment
  POM14336  Schoenoplectus maritimus Phillip A. Munz 1922-4-29 5107 Riverside [Sedco] Station, south of Elsinore. Comment
  UCR164293  Scirpus microcarpus S. J. Myers 2001-7-16 s.n. Riverside Peninsular Range; San Jacinto Mtns, Bautista Canyon 951 Comment
  CLARK-A1528-5564  Scirpus olneyi John C. Roos, Lucille Roos 1952-6-10 5762 Riverside Riverside 259 Comment
  UC1076479  Scleranthus annuus subsp. annuus Herbert L. Mason 1926-4-30 3125 Riverside Pala Grade Comment
  RSA747274  Scrophularia Orlando Mistretta 1992-6-10 530 Riverside Peninsular Ranges: (Cleveland National Forest) Along old road coming off 3504 W of Sierra Peak. Head of road. Comment
  RSA740828  Scrophularia californica Scott D. White, Justin M. Wood 2008-7-8 12387 Riverside San Jacinto Mountains: Johnson Meadow. 1439 Comment
  UC310668  Scrophularia californica Philip A. Munz 1926-5-2 10426 Riverside 5 mi nw Dripping Spring Comment
  UCR107409  Scrophularia californica B. G. Pitzer 1997-3-23 2968 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  RSA654615  Scrophularia californica subsp. floribunda Bruce Albert 1982-4-17 75 Riverside Field north of Santa Rosa road, 5.7 miles east of Lake Mathews Road. Comment
  UCSB44683  Scutellaria mexicana Hibbard, Doug 1977-5-15 Riverside up wash from west side of Hwy 74; 8.45 miles from its intersection with Hwv 111 70 Comment
  SD90502  Scutellaria siphocampyloides Robert F. Thorne, J. P. Simon and C. W. Tilforth 1969-6-24 38090 Riverside Above James Reserve in Hall Canyon, San Jacinto Mountains. 1676 Comment
  UC1713633  Scutellaria siphocampyloides Mary F. Spencer 1919-6-18 1194 Riverside San Jacinto Mountains Comment
  UCR20546  Scutellaria siphocampyloides W. W. Mayhew 1977-6-27 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  RSA125964  Selaginella bigelovii E. K. Balls, Percy C. Everett 1957-11-4 22754 Riverside Snow Creek, near old Fish Hatchery and through wash. 701 Comment
  RSA785366  Selaginella bigelovii Doris Bowers 1972-4-15 1832 Riverside Pulgas Creek Canyon at Rancho Calif. 396 Comment
  POM950  Selaginella bigelovii E. Robinson, Crocker 1916-3-20 s.n. Riverside Santa Ana Mtns. Comment
  SEINET2054637 Image available Senecio californicus Dave Hawks 1986-4-16 Riverside Alta Mesa wind turbine field, on the ridge abvove Whitewater Canyon, W of Bonnie Berll. (Whitewater UTM 10 km cell: NH-N5, E3) Comment
  CAS-BOT-BC323969  Senecio flaccidus var. douglasii Lewis S. Rose 1946-1-2 46012 Riverside Colorado Desert. Palms to Pines Highway 1066 Comment
  RSA335026  Senecio flaccidus var. douglasii Steve Boyd 1985-8-7 1113 Riverside Clinton Keith Road, 1.7 mi. E of gate to The Nature Conservancy Preserve. Comment
  JOTR35075  Senecio mohavensis La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3527 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocky slopes; above narrow side canyon Comment
  UCR196360  Senecio mohavensis Naomi Fraga, Lisa Rojas 2005-2-10 1410 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 502 Comment
  UCR279503  Senecio mohavensis A. C. Sanders, Jim Malusa 2017-3-27 43106 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, canyon 12 km NE (46 deg. ) of Bombay Beach, on both sides of the Imperial County line 305 Comment
  RSA614654  Senecio vulgaris A. C. Sanders 1997-3-1 19703 Riverside Box Springs Mtns.: Coyote Hill (Bench Mark ''Versity'', 1386 ft.) and ridge S and SE of the UCR Botanic Garden. 427 Comment