Search Results — 2000 specimen records retrieved (1888 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  JEPS61243  Abronia villosa W. L. Jepson 1914-5-23 6051 Riverside Conchilla Desert, (Coachella Valley) 60 Comment
  SD245411  Abronia villosa Sarah De Groot, April Garbat 2013-3-28 6995 Riverside Along Highway 177 at sandy area just south of the Desert Lily Sanctuary, Chuckwalla Valley, just south of Coxcomb Mountains. 152 Comment
  UCR116812  Abronia villosa A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23942 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  POM248343  Abronia villosa var. aurita I. W. Clokey, E. G. Anderson 1935-4-6 6609 Riverside Hemet 500 Comment
  RSA0014457  Abronia villosa var. aurita Justin M. Wood, J. Miner 2010-4-29 1530 Riverside Coachella Valley: Bermuda Dunes. Near intersection of Avenue 38 and Varner Rd. 37 Comment
  UCR162950  Abronia villosa var. aurita Fred M. Roberts 2005-3-23 6135 Riverside Peninsular Range, Temescal Valley; old Temescal Wash along Temescal Canyon Road, near Glen Ivy Hot Springs, 1.2 km NW of junction with Indian Truck Trail, 3.6 km WSW Estelle Peak 312 Comment
  RSA461204  Abronia villosa var. villosa M. B. Dunkle 1935-3-17 4403 Riverside Desert Center. 610 Comment
  RSA747723  Abronia villosa var. villosa Scott D. White, Justin M. Wood 2009-3-24 12575 Riverside Western foothills of Mecca Hills, +/- 0.5 air mile east of the Coachella Canal and 4 air miles S of the I-10 Freeway. 21 Comment
  RSA775092  Abronia villosa var. villosa Duncan S. Bell, Amber Swanson 2011-2-18 2038 Riverside Coachella Valley area; Edom Hill; along Edom Hill Road near dump; 0.6 road miles from junction of Varner Road and Edom Hill Road. 259 Comment
  UCR241606  Abronia villosa var. villosa A. C. Sanders, Ann Howald 2013-2-28 40555 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 2.2 miles west of Hwy 78, 9.2 km SW (245 deg. ) of Ripley 96 Comment
  UCR27850  Abutilon palmeri A. C. Sanders 1982-11-24 3272 Riverside Riverside, University of California, Botanical Garden, slope above Alder Canyon near the Garden Office. Comment
  RSA735217  Acacia greggii Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11239 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
  UCR75087  Acacia greggii A. C. Sanders 1992-4-4 12142 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA414915  Acacia longifolia Edwin Kline 1925-2-28 14848 Riverside Near Riverside. Comment
  UCR116459  Acacia redolens A. C. Sanders, T. B. Salvato 2001-3-30 23856 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. Pina Colada 366 Comment
  UCR132776  Acer negundo S. J. Myers 2001-4-26 s.n. Riverside San Jacinto Mtns., Bautista Canyon 976 Comment
  UCD77301  Achyronychia cooperi Robert E. Preston 1997-11-11 1063 Riverside east edge of Palo Verde Mesa 99 Comment
  JOTR36476  Acmispon glaber var. brevialatus Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 55 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop3) Comment
  SEINET957539  Acmispon micranthus S. Boyd 1986-1 1795 Riverside Southwestern Perris Basin: Hill W of Skunk Hollow. Gabbro substrate; Skunk Hollow vernal pool with silty clay. Comment
  JOTR36477  Acmispon nevadensis var. nevadensis La Doux, Tasha, M. Harding, K. Callahan, D. Shade, M. Wheeler, T. Herskovits 2013-6-5 3199 Riverside Joshua Tree National Park. Little San Bernardino Mtns, lower Smithwater Canyon 1219 Comment
  SD45463  Acmispon rigidus Robert L. Dressler 1949-3-19 426 Riverside 23 miles northeast of Desert Center. Comment
  OBI59606  Acmispon strigosus David Charlton 1988-2-18 1178 Riverside S side of Little San Bernardino Mts. Fargo Canyon Rd to Cottonwood Wash, S of Joshua Tree national Park, parallel to I-10. 5 mi E of Jct Dillon Rd and Fargo Cyn Rd 762 Comment
  CHSC109255  Acourtia microcephala Scott D. White; Justin M. Hood 2008-6-18 12202 Riverside Hiking trail from K flat to Apple Canyon Road. T 5S, 6S R 3E S33, 4. 33 deg. 4241 min. N; 116 deg. 40 min W. 1396 Comment
  UCR26997  Acourtia microcephala E. W. Lathrop 1966-5-17 6547 Riverside Santa Ana Mtns., Skyline Drive, 4 mi west of Corona between Tin Mine Canyon and Santiago Peak 610 Comment
  JOTR32975  Adenophyllum porophylloides La Doux, Tasha, A. Miller 2008-10-8 2856 Riverside Joshua Tree National Park. Coxcomb Mountains, north of Colorado River Aqueduct tunnel 325 Comment
  SBBG18424  Adenophyllum porophylloides M. A. Piehl 1963-6-1 63533 Riverside St Hwy 74, ca. 7.6 mi NE of Pinyon Flat Cmpgrd, S of Palm Desert 731 Comment
  RSA0097954  Adenostoma fasciculatum Duncan S. Bell 2014-11-14 7719 Riverside Santa Rosa Mountains; in the Santa Rosa Wilderness area; west side of Martinez Mountain; collecting at Cactus Spring. 1292 Comment
  UCR234766  Adenostoma fasciculatum A. C. Sanders, John F. Green 2012-6-25 40301 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, benches south of I-15 and east of Horsethief Canyon Rd. 419 Comment
  RSA390498  Adenostoma fasciculatum var. fasciculatum N. C. Cooper 1949-6-29 4309 Riverside West of Pinon Flats, San Jacinto Mountains. 1524 Comment
  UCR250196  Adenostoma fasciculatum var. fasciculatum A. C. Sanders 2014-4-23 41041 Riverside Peninsular Range, Gavilan Hills, along Concordia Ranch Rd. at edge of Temescal Valley, above I-15 and east of Black Powder Rd. 384 Comment
  CAS-BOT-BC139862  Adenostoma sparsifolium Cecil Hart 1922-5-21 12 Riverside San Jacinto Pk. Comment
  CAS-BOT-BC139864  Adenostoma sparsifolium D. E. Breedlove 1961-8-5 947 Riverside At junction of Riverside Highway 1 and State Highway 74; San Jacinto Mountains 1524 Comment
  RSA33825  Adiantum capillus-veneris Norman C. Cooper 1944-4-8 1090 Riverside San Bernardino National Forest, San Jacinto Mountains: Andreas Canyon (near Palm Springs) 457 Comment
  UC811108  Adiantum capillus-veneris Ivan Johnston 1917-4-4 Riverside Little Palm Canyon Fork Palm Canyon; Colorado Desert 304 Comment
  RSA0121416  Agave deserti Duncan S. Bell, LeRoy Gross 2016-3-31 9186 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 6 air miles southeast of the summit of Martinez Mountain. 492 Comment
  UC63090  Agoseris grandiflora var. grandiflora H. M. Hall 1901-6-1 2103 Riverside eastern base, along the borders of Colorado Desert; San Jacinto Mountains, , Vandeventer's Meadow Comment
  CLARK-A1528-1004  Agrostis exarata E. W. Lathrop 1959-5-29 Riverside Cleveland National Forest Comment
  UCR90275  Agrostis pallens Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3335 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
  UCR164300  Agrostis viridis S. J. Myers 2001-7-16 s.n. Riverside San Jacinto Mtns, Bautista Canyon 878 Comment
  RSA71928  Aliciella latifolia F. W. Peirson 1921-3-22 2385 Riverside Andreas Canyon, Palm Springs region Comment
  SD70778  Aliciella latifolia David B. Dunn 1948-2-21 3672 Riverside Pushawalla. Comment
  RSA701165  Allionia incarnata Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11227 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
  RSA780410  Allionia incarnata Stephanie Rockwood, Christi Gabriel 2011-10-19 135 Riverside I95 Pulloff about 6 miles from Blythe Itaglios Marker. Boundary of Indian Reservation land. Desert Conservation Area. 99 Comment
  RSA778399  Allionia incarnata Amber Swanson 2011-10-9 650 Riverside Around the Hayfields ext N of Hwy I-10. 426 Comment
  UCSB748  Allium burlewii Ralph, F. 1959-5-16 Riverside Top of Devil's slide Trail; San Jacinto Mtns. Wilderness area 2621 Comment
  RSA0120327  Allium fimbriatum Duncan S. Bell, Thomas Stoughton 2016-4-14 9291 Riverside Santa Rosa Mountains; near the head of Deep Creek and near the trailhead of the Cactus Spring Trail, at an old mining area above this trail. 1219 Comment
  CAS-BOT-BC469257  Allium fimbriatum var. fimbriatum H. M. Hall 1899-1-1 1156 Riverside San Jacinto SW 5 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
  RSA0048295  Allium peninsulare var. peninsulare A. L. Haines 1951-5-19 5142 Riverside Bautista Wash, San Jacinto Mts. 609 Comment
  UCR193316  Allophyllum A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35595 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek watershed, along foot trail from May Valley Road toward mapped spring 1560 Comment
  UCR44196  Allophyllum divaricatum A. C. Sanders 1986-6-1 6548 Riverside San Jacinto Mountains, Trail toward Spitler Peak from 'Hurkey Creek Camp to Bonita Vista' [=Apple Canyon] Road 1829 Comment
  SEINET2444454  Allophyllum glutinosum Leigh A. Johnson 1997-4-25 97 -054 Riverside San Bernardino Natl. Forest, Cahuilla Mtn. Along road to Cahuilla Mtn. trail. 1300 Comment
  CAS-BOT-BC170130  Alnus rhombifolia Louis C. Wheeler 1933-12-2 2301 Riverside Tahquitz Canyon, San Jacinto Mts. 243 Comment
  RSA5485  Alnus rhombifolia C. B. Wolf 1932-5-24 3649 Riverside 1/2 mile below the fish hatchery, Snow Creek, north base of San Jacinto Mts. 549 Comment
  UCR234767  Alnus rhombifolia A. C. Sanders, John F. Green 2012-6-25 40309 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon near Hostettler Rd. south of I-15 377 Comment
  RSA544288  Amaranthus albus Steve Boyd, Timothy S. Ross 1991-6-14 6359 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 Spings. Comment
  CDA3243  Amaranthus blitum A. C. Sanders 2001-11-25 24887 Riverside Moreno Valley, Home Depot at Pigeon Pass Rd. on north side of Hwy 60 Comment
  SD251167  Amaranthus palmeri Duncan S. Bell, John Anderson, et al. 2013-9-28 6020 Riverside Chuckwalla Valley; ca. 22.25 air miles west of Blythe, south side of Ford Dry Lake, ca. 0.5 air mile southeast of Hopkins Well. 106 Comment
  RSA32428  Ambrosia acanthicarpa N. C. Cooper 1943-9-10 916 Riverside Banning. 610 Comment
  SEINET5538667  Ambrosia acanthicarpa H. S. Gentry 1954-1 14252 Riverside Dripping Springs, along Route 79. Comment
  UCR106907  Ambrosia acanthicarpa D. L. Banks, L. Raz 1996-11-5 1174 Riverside Agua Tibia Mountains, Pechanga Indian Reservation, east of San Gabriel Church; along main road in the Reservation; c. 20 m east of its intersection with Pechanga Creek 393 Comment
  POM41493  Ambrosia dumosa Marcus E. Jones 1924-2-7 s.n. Riverside Salton Sink near Oasis. Comment
  SD229057  Ambrosia dumosa Dick Schwenkmeyer 2012-11-6 861 Riverside Palm Canyon, Ague Caliente Indian Reservation, 2.6 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 178 Comment
  UC896716  Ambrosia dumosa I. W. Clokey and B. C. Templeton 1930-4-9 4705 Riverside n of Palm Springs; Colorado Desert 170 Comment
  UCD128811  Ambrosia dumosa Walter W. Zabriskie 1973-2-8 102 Riverside at edge of Indian Canyon wash, Deep Canyon drainage, N slope Santa Rosa Mountains. 304 Comment
  CAS-BOT-BC30796  Ambrosia ilicifolia Edmund C. Jaeger 1939-2-8 s.n. Riverside 2 miles so of Desert Center on north base of Chuckawalla Mts. 289 Comment
  CLARK-A1528-2147  Ambrosia ilicifolia John C. Roos 1949-4-10 4230 Riverside Chuckwalla Mountains 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
  UCR201882  Ambrosia psilostachya Justin M. Wood 2008-9-19 136 Riverside SW Perris Basin, Temecula - Murrieta Creek, downstream of First Street Bridge 305 Comment
  RSA615546  Ambrosia pumila Fred M. Roberts 1997-6-29 5043 Riverside Warm Springs Valley: Nichols Road, 0.3 km by road W jct. I-15 near head of Walker Canyon, ca 2.8 km NW Lake Elsinore. 117 Comment
  UCR280928  Ambrosia pumila Mitch Provance 2017-5-26 517- 61 Riverside Elsinore Trough, Lake Elsinore, 0.2 mile north of Pinnell Rd. 393 Comment
  CAS-BOT-BC273039  Ambrosia salsola Dr. Barton W. Evermann 1924-4-12 s.n. Riverside Cottonwood Springs Comment
  SD229061  Ambrosia salsola Dick Schwenkmeyer 2013-6-11 902 Riverside Approx. 1.5 miles north od highway 74 and Royal Carrizo Road intersection. 854 Comment
  UCR167257  Ambrosia salsola 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
  JEPS121565  Ambrosia salsola var. salsola Adam C. Schneider with Will Freyman 2014-2-16 416 Riverside West side of Highway 177. Comment
  SD80050  Ambrosia salsola var. salsola Nancy Ryan Zabriskie, Walter Zabriskie 1970-3-27 271 Riverside Below Andreas Canyon Clubhouse, Andreas Canyon 305 Comment
  UCR6454  Amelanchier utahensis Art Whistler 1966-5-8 660508- 15 Riverside Peninsular Ranges/ San Jacinto Mountains, downstream from Lake Fulmor, Route 74 1585 Comment
  POM259131  Amorpha californica P. A. Munz 1938-8-14 15375 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2287 Comment
  LA204913  Amorpha californica var. californica W. E. Pequegnat; 1937-9-3 sn Riverside Santa Ana Mountains, Bedford Rd 1402 Comment
  UC489201  Amorpha californica var. californica C. V. Meyer 1928-7-27 Riverside Tahquitz Valley San Jacinto Mts. 2286 Comment
  RSA500571  Amorpha fruticosa Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3580 Riverside Vail lake area, sedimentary hills at NW end of lake at E end of Oak Mtn, N of Wilson Creek. 488 Comment
  CSUSB987  Amsinckia intermedia Osman 1976-4-26 S-76 44 Riverside 4 miles west of freeway 395, along Van Buren Blvd., near March Air Force Base 274 Comment
  RSA556478  Amsinckia intermedia Julie Greene 1993-3-13 1002 Riverside between ranch fence and permanent pond. 441 Comment
  RSA613407  Amsinckia intermedia D. L. Banks 1997-4-5 1684 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just west of the Pechanga Indian Reservation boundry, at the headwaters of a tributary of the north fork of Pechanga Creek. 768 Comment
  UCR166162  Amsinckia intermedia 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
  CLARK-A1528-970  Amsinckia menziesii Patricia A. Andrews 1975-3-13 5902 Riverside Rubidoux Comment
  UCR228815  Amsinckia retrorsa A. C. Sanders 2011-4-26 39326 Riverside Peninsular Range, Alberhill Mountain, south side near Nichols Rd., c. 350 m WNW (276 deg. ) of Nichols Rd. & Pierce St. intersection 395 Comment
  RSA499897  Amsinckia tessellata George R. Johnstone 1934-3-27 s.n. Riverside Near Wildomar. Inland route to Temecula. Comment
  POM13877  Amsonia brevifolia var. tomentosa E. C. Jaeger 1921-4-10 1173 Riverside 1000 Palms Canyon, Colorado Desert of California. 823 Comment
  UCSB54190  Amsonia tomentosa McKinley, Gale 1985-3-26 Riverside 100 yards east of site #9 in Ryan campground in Joshua Tree National Monument 1280 Comment
  POM184745  Amsonia tomentosa var. tomentosa C. L. Hitchcock 1932-4-8 12220 Riverside 1 mile west of Cottonwood Springs. Comment
  SBBG122771  Ancistrocarphus filagineus A. Parikh 1990-4-25 155 Riverside NNW slope, base of Gavilan Pk, S of Harford Sprinkg Co Park, 1.7 km N of Lake Mathews Drive9 km E of Gavilan Rd 637 Comment
  RSA416652  Anisocoma acaulis Gary D. Wallace 1964-4-26 s.n. Riverside Pinyon Flats. Comment
  UC63096  Anisocoma acaulis H. M. Hall May 17 1901-Jun 1 1901 1807 Riverside s side, (journey from Riverside to Santa Rosa Peak and Palomar) San Jacinto Mt. 1554 Comment
Read comments
Nov 9 2015
  CAS-BOT-BC79938  Antennaria microphylla H. M. Hall 1901-7-1 2401 Riverside Tamarack Valley 2834 Comment
  RSA660484  Anthemis cotula A. C. Sanders 1998-5-21 21869 Riverside Hemet: alkaline flats west of town, along Stetson Ave. W of Warren Rd. 457 Comment
  RSA583747  Antirrhinum coulterianum Steve D. Boyd 1995-4-24 8484 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on northern flank of Agua Tibia Mountain at the north base of Wildhorse Peak, along the Wildhorse Trail near the northeastern corner of the Wilderness. 671 Comment
  RSA773668  Antirrhinum coulterianum Duncan S. Bell, Joy D. England 2010-5-20 1031 Riverside San Bernardino National Forest: Garner Valley, approximately 2 miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1374 Comment
  UCR86988  Antirrhinum coulterianum Ed LaRue 1993-5-10 s.n. Riverside Murrieta Oaks, 3 miles (airline) NW of Murrieta Hot Springs, W side of Hwy 215 457 Comment
  JOTR28916  Antirrhinum filipes La Doux, Tasha 2005-2-7 1152 Riverside Joshua Tree National Park. Eagle Mountains; south facing slopes north of Hayfield Dry Lake 553 Comment
  RSA757449  Antirrhinum nuttallianum Robert F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55228 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta 730 Comment
  RSA0009201  Antirrhinum nuttallianum subsp. nuttallianum D. L. Banks 1997-5-5 1966 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
  RSA495454  Antirrhinum nuttallianum subsp. nuttallianum Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-3-18 2982 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  UCR27149  Arabis johnstonii T. P. Krantz 1982-4-22 S.N. Riverside San Jacinto Mtns., Pebble plain along bench east of Garner Valley, near Quinn Flats. 1372 Comment
  CLARK-A1045-133  Arabis perennans George K. Helmkamp 1977-5-20 Riverside Deep Canyon mouth of Deep Canyon; Palm Desert 15'Q Comment
  RSA0011414  Arabis sparsiflora Duncan S. Bell, Caitlin Elam 2013-5-21 4968 Riverside On the southern side of West Ridge at the southern end of Strawberry Valley about 1.75 air miles southwest of Idyllwild. 1592 Comment
  UCR128304  Arabis sparsiflora var. arcuata Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8632 B Riverside San Jacinto Mtns, Idyllwild area; 'Strawberry Fuelbreak' between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek 1646 Comment
  CAS-BOT-BC410047  Arceuthobium campylopodum Louis C. Wheeler 1931-10-4 242 Riverside Strawberry Valley, San Jacinto Mountains 1584 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
  RSA629463  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16812 Riverside Rd. to Thomas Mtn. (5S15), 9.5 km north of Toolbox Spring. 1640 Comment
  UCR215074  Arctostaphylos glandulosa Justin M. Wood 2009-3-10 352 Riverside San Jacinto Mountains, Near intersection of Hwy 243 and Twin Pines Rd. 1220 Comment
  UCR273485  Arctostaphylos glandulosa A. C. Sanders, Glen Morrison 2016-8-4 42621 Riverside Peninsular Range; San Jacinto Mtns., Hwy 74 below McGaugh Rd., west slope of the mountains at mile post 58.19, below Mountain Center 1311 Comment
  CAS-BOT-BC24914  Arctostaphylos glandulosa subsp. adamsii P. A. Munz; E. K. Balls 1952-8-21 17984 Riverside Road-Vandeventer Flat to Santa Rosa Peak. 2072 Comment
  SDSU18344  Arctostaphylos glandulosa subsp. glandulosa C. Matt Guilliams 2007-6-21 371 Riverside 15 kilometers east of Temecula near Tenaja Road. From Tenaja, south on Harkey Road, east on Avenida Presta, south on Calle Viento, a dirt road on slope above drainage. 640 Comment
  RSA629423  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16846 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  RSA629459  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16815 Riverside Rd. to Thomas Mtn. (5S15), 11 km north of Toolbox Spring. San Jacinto Mtns. 1520 Comment
  JOTR32365  Arctostaphylos glauca La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2480 Riverside Joshua Tree National Park. Little San Bernardino Mountains: North side of Quail Mountain; Rocky outcrop and steep slopes above large drainage and spring (Stop 6) Comment
  RSA633524  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22513 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA633564  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16614 Riverside Road to Santa Rosa Mountain, (7S02), 1.8 km south of Highway 74. 1560 Comment
  RSA633608  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Rx Rothrock 1992-11-11 22532 Riverside Andreas Canyon, ca. 5 km east of Saddle Junction, San Jacinto Wilderness area, eastern San Jacinto Mountains. 1950 Comment
  RSA635198  Arctostaphylos parryana subsp. tumescens Jon E. Keeley 1992-7-17 16775 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  CAS-BOT-BC44367  Arctostaphylos pringlei subsp. drupacea Walter Knight; Irja Knight 1985-4-3 6064 Riverside Near Idylwild Park, San Bernardino National Forest 1889 Comment
  CAS-BOT-BC44371  Arctostaphylos pringlei subsp. drupacea C. B. Wolf 1931-5-11 1948 Riverside Rocky ridges near Pipe Creek, above Hemet Valley, San Jacinto 1676 Comment
  JEPS26531  Arctostaphylos pringlei subsp. drupacea Peter Kamb 1947-5-17 516 Riverside Hall Canyon; San Jacinto Mts., Hall Canyon 1645 Comment
  SBBG5480  Arctostaphylos pringlei subsp. drupacea M. Van Rensselaer 1937-7-23 Riverside San Jacinto Mtns 1859 Comment
  UCR135826  Arctostaphylos pringlei subsp. drupacea Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9013 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  SBBG54018  Arctostaphylos pungens R. S. Woglum 1937-5-22 575 Riverside Santa Rosa Mtns, near Santa Rosa Indian Reservation Comment
  UCR84580  Arctostaphylos rainbowensis Steve Boyd 1994-10-14 8380 Riverside Southern Santa Ana Mtns., San Mateo Canyon Wilderness Area of the Cleveland National Forest. Fisherman's Camp Trail (7S02) from Wildomar Road (7S01) W into Tenaja Canyon at its confluence with San Mateo Canyon, Fisherman's Camp 341 Comment
  RSA210979  Argemone munita C. W. Tilforth 1969-7-25 218 Riverside Terwilliger Road. Terwilliger Valley, se of Anza Comment
  UCR3355  Argemone munita Heidi A. Haid 1964-5-10 11 Riverside Hwy 79, c. 1 mi. east of Aguanga 610 Comment
  UCR2157  Aristida adscensionis F. M. Reed 1920-3-24 4216 Riverside Western Colorado Desert, Murray Canyon, a tributary of Palm Canyon near Palm Springs 305 Comment
  POM219941  Aristida adscensionis var. modesta F. R. Fosberg 1932-3-13 8102 Riverside Thousand Palms Canyon, Coachella Valley. Comment
  SEINET14176506  Aristida californica N. H. Holmgren, Patricia K. Holmgren, R. E. Kern 1973-3-22 6457 Riverside Rice Valley, 7 mi SSW of Rice 274 Comment
  JOTR30121  Aristida californica var. californica La Doux, Tasha, Bill Truesdell, Erin Babich 2008-3-10 1687 Riverside Joshua Tree National Park. Stop # 2 = Pinto Basin near Sandhill. 538 Comment
  POM264354  Aristida purpurea var. nealleyi J. C. Roos 1938-8-7 582 Riverside East of Hemet, in mountains along San Jacinto River. Comment
Read comments
Apr 3 2011
  CAS-BOT-BC137511  Aristida purpurea var. purpurea J. C. Roos 1965-9-26 s.n. Riverside Palm Springs. 121 Comment
  UCR2161  Aristida purpurea var. purpurea F. M. Reed 1933-5-31 7920 Riverside Santa Rosa Mtns., Santa Rosa Indian Reservation, near the bridge on the Palms to Pines Road [Vandeventer Flats] 1372 Comment
  RSA613711  Artemisia annua G. R. Ballmer 1997-11-22 s.n. Riverside Riverside. Volunteer in yard at 8538 Hickory Lane. Comment
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Jul 14 2012
  RSA650458  Artemisia californica C. J. Humphrey, Herbery Humphrey 1936-6-7 395 Riverside In foothills 18 miles East of Riverside. 548 Comment
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Dec 15 2011
  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
  UCR85178  Artemisia californica A. C. Sanders 1995-2-19 15936 Riverside San Bernardino Mountains/Coachella Valley, Mission Canyon, along Mission Creek Rd. 1.75 mi. above Hwy 62 600 Comment
  RSA249445  Artemisia douglasiana John F. Emmel 1973-4-7 424 Riverside Twin Pines Creek, at north base of San Jacinto Mts, 1.5 miles SW of Cabazon. 512 Comment
  UCR243132  Artemisia dracunculus Kate Kramer 2012-5-8 257 Riverside Peninsular Range; San Jacinto Mountains, south side of Hwy 74 near cement-lined water flue at National Forest Lands boundary 576 Comment
  RSA736852  Artemisia ludoviciana Scott D. White, Angelia Carey 2004-7-2 10595 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  JOTR32635  Artemisia ludoviciana subsp. albula La Doux, Tasha, K. Matthews, S. Szabo, J. Van Warmerdam, B. Truesdell 2007-10-4 2557 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Lower Covington Flat, southeast of trailhead heading toward Smith Water Canyon (Stop 2) 1398 Comment
  CDA20369  Artemisia ludoviciana subsp. incompta H. R. Leach 1958-9-12 s.n. Riverside Southern California; Mt. Center. 0 Comment
  RSA507495  Arthrocnemum subterminale L. F. LaPre, Jack Easton 1988-7-10 s.n. Riverside 1 mi E of of Perris. 427 Comment
  RSA0040026  Asclepias albicans Duncan S. Bell, Evan Meyer 2014-4-1 6488 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; center of this range; approximately 4.75 air miles northwest of Gucci Spring; approx. 5 air miles north of the Bradshaw Trail. 759 Comment
  UCR282314  Asclepias albicans Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel, Jackie McConnaughy 2011-3-23 809 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' Old mine access road 396 Comment
  SEINET3081972 Image available Asclepias californica Andrew C. Sanders, B. Pitzer 1986-4-30 6488 Riverside San Jacinto Mtns; head of Bee Canyon along Bee Canyon Road, 1.7 mi. above mouth of canyon at the San Jacinto River Valley. 795 Comment
  UC111252  Asclepias californica H. M. Hall Apr. 1897 Riverside Temecula Ck. Nigger Jim Canyon Comment
  RSA792557  Asclepias erosa Duncan S. Bell 2012-9-13 4184 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  JEPS5155  Asclepias subulata W. L. Jepson Oct 22 1912-Nov 7 1912 5236 Riverside near Riverside Mts.; Colorado River 45 Comment
  SEINET10779850  Asclepias subulata F. A. Thackery 1928-5-10 Thackery 134 Riverside Rincon 314 Comment
  UCR163086  Asclepias subulata B. G. Pitzer 2000-5-7 4147 Riverside Sonoran (Colorado) Desert, extreme north end of Orocopia Mountains, Shavers Valley, at base of hills c. 0.5 mi. SE of Box Canyon Road. 341 Comment
  UCR19050  Asclepias subulata Don Emery 1980-2-12 s.n. Riverside Sonoran (Colorado) Desert, E side of the Salton Sea, near an old playa south of Dos Palmas Spring and north of Ferrum siding Comment
  RSA45536  Astragalus aridus J. C. Roos 1949-3-26 4117 Riverside Coachella Valley, Indio. Comment
  RSA0009601  Astragalus aridus Marcus E. Jones 1906-4-27 s.n Riverside Indio. Comment
  RSA689493  Astragalus didymocarpus var. didymocarpus Scott D. White 2001-4-19 8383 Riverside Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5 - 2 mi. W of I-215 freeway. 442 Comment
  CAS-BOT-BC182587  Astragalus didymocarpus var. dispermus Ynez Whilton Winblad 1937-3-22 s.n. Riverside East slope of Chocolate Mts. Comment
  UCD84939  Astragalus didymocarpus var. dispermus Chuck Hughes 2010-3-23 211 Riverside About 11.5 miles south of Highway 62, next to railroad tracks. 254 Comment
  SBBG93268  Astragalus douglasii D. G. Nelson 1936-5-21 380 Riverside slopes just N of meadow in valley just E of Hurkey Crk Camp area, E of Lake Hemet and N of Mt Thomas Comment
  UCR207696  Astragalus douglasii var. parishii Justin M. Wood, Brandy N. Wood 2009-6-13 888 Riverside San Jacinto Mountains, Idyllwild County Park, Lily Creek and adjacent slope to west of campground 1616 Comment
  POM172030  Astragalus gambelianus F. M. Reed 1930-4-15 6815 Riverside Plateau south of Gavilan Peak. [Gavilan Plateau] Comment
  CLARK-A1528-2746  Astragalus insularis var. harwoodii John C. Roos 1949-4-11 4241 Riverside Chuckwalla Mountains Comment
  RSA0006768  Astragalus insularis var. harwoodii J. C. Roos, Lucille Roos 1949-4-11 4241 Riverside Corn Spring, Cuckawalla Mts. Comment
  CAS-BOT-BC187121  Astragalus lentiginosus var. borreganus S. B. Parish 1907-4-15 6119 Riverside Western base of the Colorado Desert 360 Comment
  UC68626  Astragalus lentiginosus var. borreganus H. M. Hall Apr., 1905 5958 Riverside Paloverde , Paloverde (Colorado Desert) 76 Comment
  CAS-BOT-BC187172  Astragalus lentiginosus var. fremontii Annie M. Alexander; Louise Kellogg 1941-5-4 2112 Riverside Joshua Tree National Monument 1249 Comment
  RSA27928  Astragalus lentiginosus var. variabilis C. L. Hitchcock 1940-4-4 5958 Riverside Pinto Basin. Comment
  RSA90703  Astragalus nuttallianus var. cedrosensis F. W. Peirson 1922-4-9 584 Riverside Murray Canyon, near Palm Springs Comment
  RSA0029413  Astragalus pachypus John F. Emmel 1996-4-14 1394 Riverside Rouse Ridge, San Jacinto River drinage; along Rouse Ridge Road, 4.0 road mi SSE of Cranston Ranger Station. 878 Comment
  JOTR16678  Astragalus palmeri Wanrow, E. 1968-5-6 s.n. Riverside Joshua Tree National Park. EUREKA PEAK Comment
  UC863144  Astragalus palmeri C. L. Hitchcock 1940-4-4 5945 Riverside Pinto Basin Pinto Basin (sandy wash) Comment
  CLARK-A1528-455  Astragalus pomonensis Ellen Predmore 1971-5-3 Riverside Gilman Hot Springs Comment
  POM202254  Astragalus pomonensis Marcus E. Jones 1933-4-5 s.n Riverside Hemet. Comment
  UCR37709  Astragalus sabulonum A. C. Sanders, J. M. Stewart 1985-3-24 5408 B Riverside Western Colorado Desert, Coachella Valley, flats along Box Canyon Rd. (Hwy 195), 2.5 mi east of Mecca, 0.7 mi east of Grant Street -15 Comment
  CAS-BOT-BC200817  Astragalus trichopodus var. phoxus C. B. Wolf 1931-5-11 1952 Riverside Near Pipe Creek, Hemet Valley, San Jacinto Mts. 1615 Comment
  SEINET10486811  Astragalus vaseyi L. Rose 1935-12-23 Rose s.n. Riverside San jacinto mts. 914 Comment
  PASA917  Atrichoseris platyphylla Margaret Stason 1929-4-28 Riverside Hidden Springs Comment
  RSA418191  Atrichoseris platyphylla Geo Cantwell 1935-4-8 s.n. Riverside McCoy Springs, McCoy Mnts. [NW of Blythe] Comment
  RSA774923  Atrichoseris platyphylla Duncan S. Bell 2011-4-7 2169 Riverside On the east side of the Arica mountains; approximately 2 miles northwest of Priests Well, or approximately 5.2 air miles southwest of the ghost town of Rice. 357 Comment
  SBBG7716  Atrichoseris platyphylla K. K. Muller 1952-4-5 558 Riverside ca. 2 mi N of Dos Palmas on rd from Mecca-Blythe Hwy to Hot Mineral Comment
  UC1329825  Atrichoseris platyphylla James E. Cole 1941-4-13 565 Riverside top of Pinto Pass; Joshua Tree National Monument 609 Comment
  UCSB6375  Atrichoseris platyphylla Yokoyama, Howard 1953-3-21 Riverside 9 miles east of Indio Comment
  RSA748734  Atriplex argentea Karin Cleary-Rose 1998-9-7 s.n Riverside west edge of Hemet, east of Warren Rd., south of Esplanade and north of the Tres Cerritos Hills 460 Comment
  POM153405  Atriplex argentea subsp. expansa P. A. Munz 1928-9-12 11304 Riverside SE end of Elsinore Lake Comment
  UC850766  Atriplex canescens Lewis S. Rose 1938-12-17 38316 Riverside Palm Springs Palm Springs (Desert washes) 137 Comment
  UCR109576  Atriplex canescens G. S. Nuessly 1980-10-16 s.n. Riverside Coachella Valley, Indio, SE corner of Kenner Ave. and Monroe St., between Fred Waring Dr. (Ave 44) and the Whitewater River Channel 0 Comment
  JOTR29250  Atriplex canescens subsp. canescens La Doux, Tasha 2005-8-17 1531 Riverside Joshua Tree National Park. Queen Valley, along Bighorn Pass Road 1335 Comment
  RSA5349  Atriplex canescens var. laciniata C. B. Wolf 1932-10-13 1606 Riverside Cottonwood Springs. Eagle Mountains 290 Comment
  RSA773113  Atriplex canescens var. laciniata Thomas Stoughton, Jacqueline McConnaughy, Andrew Monks, M. Volke 2010-4-20 147 Riverside Hwy 177. N of Desert Center and Desert Lily Sanctuary. E of Joshua Tree National Park border. 274 Comment
  JOTR35915  Atriplex canescens var. linearis De Groot, Sarah J., Jessica Chu, Loraine Washburn 2013-3-22 6863 Riverside Joshua Tree National Park. Cottonwood Spring; Fan palm oasis and surrounding slopes. 822 Comment
  CAS-BOT-BC227862  Atriplex canescens var. macilenta Dave Silverman 2010-3-24 7827 Riverside South Palen Lake, Chuuckwalla Valley, 4.5 km SE of Sidewinder Well, 2.3 km SW of Palen Dunes Dr., and 4.2 km N of Interstate 10 128 Comment
  CAS-BOT-BC227864  Atriplex canescens var. macilenta Dave Silverman 2010-3-24 7829 Riverside South Palen Lake, Chuckwalla Valley, 4.5 km SE of Sidewinder Well, 2.3 km SW of Palen Dunes Dr., and 4.2 km N of Interstate 10 128 Comment
  RSA532555  Atriplex coronata var. coronata D. E. Bramlet 1991-6-1 2171 Riverside 2 km west of Lakeview and 30m to 400 east of the San Jacinto River. The site is approximatly 170 m. north of the MWD easement road., [additional populations are located north of the site] 473 Comment
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Dec 8 2010
  RSA520926  Atriplex coronata var. notatior D. E. Bramlet, A. Parikh 1990-6-14 2037 Riverside Stetson Ave. and the MWD canal just west of warren Ave. approximatly 6.5 km SW of Hemet. The population is found n a cow pasture some 400m to 100m north of Stetson Ave. 457 Comment
  RSA520927  Atriplex coronata var. notatior D. E. Bramlet, A. Parikh 1990-6-14 2038 Riverside 6.5 km West of Hemet, approximately 600 m south and west of the intersection of warren and Florida. 0-50m east of the MWD San Diego Canal. 457 Comment
  SBBG122779  Atriplex coronata var. notatior A. Parikh 1990-6-14 177 Riverside N of Diamond Valley Lake, 0.4 km S of Hwy 74 (W Florida Ave), 0.7 km W of Warren Rdster Rd 457 Comment
  UCD169503  Atriplex coronata var. notatior Mitch Provance 2005-5-17 6594 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. 396 Comment
  UCR27595  Atriplex davidsonii John C. Roos 1962-5-24 s.n. Riverside San Jacinto Valley, Flats west of Hemet Comment
  OBI18624  Atriplex hymenelytra David J. Keil 1976-12-12 11912 Riverside Ca. 5 mi E of Indio along I-10 Comment
  SBBG118903  Atriplex hymenelytra S. Boyd with T. Morgan, A. Virgen, S. DeGroot, V. Arvizu, T. Thibault 2004-5-14 11247 Riverside W base of the Chocolate Mtns, ca. 1.25 mi N of Imperial County line, ca. 3.75 mi W of aqueduct, accessed by dirt rd of main aqueduct rd at siphon station, within boundaries of US Navy's Chocolate Mtns Aerial Gunnery Range (33 26'42.7N, 115 38'06.2"W) 490 Comment
  UCR265195  Atriplex hymenelytra David Fraker, Aaron C. Sedgwick 2012-5-9 97 Riverside Sonoran (Colorado) Desert, wash c. 1 mile north of the Bradshaw Trail [off Salt Creek Wash] 405 Comment
  RSA478279  Atriplex lentiformis H. de Forest 1929-4-18 s.n. Riverside Colorado Desert Comment
  UCR163798  Atriplex lentiformis 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
  UC1519870  Atriplex muelleri J. C. Roos 1965-10-17 Riverside on the roadside 20 mi w Blythe; w of Blythe Comment
  CAS-BOT-BC170069  Atriplex parishii H. M. Hall 1901-6-1 2146 Riverside Eastern base, along the borders of the Colorado Desert. Comment
  POM121945  Atriplex polycarpa Marcus E. Jones 1903-5-8 s.n. Riverside Indio. -7 Comment
  UCD97609  Atriplex polycarpa Lewis S. Rose 1967-12-19 67177 Riverside La Quinta. 15 Comment
  RSA478408  Atriplex semibaccata Richard C. Barkelew, Mark Morris 1929-3-3 s.n. Riverside Perris. Comment
  RSA685162  Atriplex suberecta Scott D. White, Michael Honer 2003-4-9 8974 Riverside Northeast corner of Devonshire Ave. and Warren Road, immediately southwest of Tres Cerritos. Former chicken farm. 473 Comment
  UCR89864  Atriplex suberecta D. E. Bramlet 1989-7-3 1932 Riverside Perris-Aguanga Basin, Diamond Valley, Searl Ranch, just off the ranch entrance road c. 6.7 km south of Hemet; c. 2.7 km west of State Street and 600m north of Newport Road. 482 Comment
  JEPS2495 Image available Ayenia compacta W. L. Jepson May 17 1901-Jun 1 1901 1407 Riverside Palm Canyon, San Jacinto, Southern California Comment
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Sep 26 2010
  RSA0123697  Baccharis brachyphylla Duncan S. Bell, LeRoy Gross 2016-3-30 9165 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  UCR262331  Baccharis brachyphylla Duncan S. Bell, John Anderson, Kim Clark, Ed Howland 2013-9-29 6037 Riverside Colorado (Sonoran) Desert, Chuckwalla Mountains, south side of Corn Springs Wash, c. 3 air mi west of Corn Springs, and c. 0.5 air mi south of Aztec Well 659 Comment
  SEINET959644  Baccharis douglasii G. K. Helmkamp, E. A. Helmkamp 2004-1 8769 Riverside Southern Central Coast: Surf, NW of Lompoc (Surf 7.5) 9 Comment
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May 17 2014
  LA203040  Baccharis emoryi Louis Wheeler; 1933-12-2 2311 Riverside Santa Ana River at Chino Creek 152 Comment
  RSA44349  Baccharis emoryi W. I. Follett 1948-10-31 s.n. Riverside 7.3 miles W & 7.4 miles S of Blythe Comment
  UC893720  Baccharis salicifolia subsp. salicifolia C. L. Hitchcock 1940-4-12 6048 Riverside 8 mi nw Elsinore 457 Comment
  SDSU13986  Baccharis salicina Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2110 Riverside North end of second small, dry meadow north of El Valle. Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 640 Comment
  UCR90974  Baccharis salicina Scott D. White 1996-2-18 3804 Riverside Perris Basin, Double Butte, NW of Winchester, SE-facing slope of west butte and alluvial soil at base 490 Comment
  RSA592691  Baccharis sergiloides Scott D. White, D. Haselfeld 1996-7-2 4274 b Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  POM299271  Bahiopsis parishii A. M. Alexander, A. Kellogg 1941-5-18 2196 Riverside Eagle Mountains 1021 Comment
  SBBG22834  Bahiopsis parishii D. Myrick 1965-3-4 1078 Riverside Palms to Pines St Hwy 74 609 Comment
  JEPS34796  Baileya pauciradiata L. M. Newlon 1922-4-8 423 Riverside e of Palm Springs Comment
  UC1035183  Baileya pauciradiata John Ingram, Howard Arnott and Francia Chisaki 1955-4-18 631 Riverside 5.6 mi se of turn-off to 1000 Palms on Hwy 60 Comment
  UCD84488  Baileya pauciradiata Chuck Hughes 2010-6-13 149 Riverside Edge of Rice-Midland Road, about 2.5 miles southwest of Highway 62. 230 Comment
  RSA301938  Baileya pleniradiata J. R. Shevock 1971-5-8 1049 Riverside Near White Tank, Joshua Tree National Monument 1220 Comment
  SD152906  Barbarea orthoceras Steve Boyd, Orlando Mistretta 1992-4-23 7059 Riverside So. Santa Ana Mtns, San Mateo Canyon Wilderness Area. Along San Mateo Creek from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. Surrounding slopes burned in 1989 fire. Local in moist sand along stream. 244 Comment
  CLARK-A1528-170  Bebbia juncea Charlotte Stocks 1964-8-7 Riverside Comment
  UCR52151  Bebbia juncea Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2151 Riverside Sonoran (Colorado) Desert, N end of the Palen Mtns, 2 miles west of Palen Pass 300 Comment
  HSC82758  Bebbia juncea var. aspera Christopher Davidson 1979-4-4 7688 Riverside Orocopia Mtns., lower end of Box Canyon on Box Canyon Rd., 4.4 mi. E of Mecca 213 Comment
  LA203071  Bebbia juncea var. aspera Martha Hilend; 1929-3-24 sn Riverside Thousand Palms Comment
  UCD129535  Bebbia juncea var. aspera Geoffrey Levin 1975-4-5 468 Riverside 1 mile west of Berdoo Canyon Road on Dillon Road. Foothills of Little San Bernadino Mountains. Saltan Sink Drainage. 60 Comment
  UCR244407  Bebbia juncea var. aspera Jim Andre 2012-4-16 20900 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
  CDA6861  Bellis perennis J. E. Davis 1959-8-31 2998 Riverside 3893 Larchwood Place, Riverside. 0 Comment
  SEINET3154482  Beloperone californica L. S. Rose 1938-12-18 38325 Riverside Palm Springs 137 Comment
  UCR132771  Berberis dictyota S. J. Myers 2001-4-18 s.n. Riverside San Jacinto Mtns., Bautista Canyon, 0.25 mi. north of Tripp Flats Rd. 1183 Comment
  UC1563041  Berberis nevinii Steve Boyd, Tim Ross, and Laurel Arnseth 1989-3-19 3055 Riverside s flank Oak Mountain (0.75 mi n of dam); Vail Lake 518 Comment
  UC1563046  Berberis nevinii Steve Boyd, Tim Ross, and Laurel Arnseth 1989-4-2 3224 Riverside sandstone ridge between Kolb Creek and Temecula Creek (forming peninsula at sw end of lake); Vail Lake Comment
  CAS-BOT-BC207047  Bernardia incana Frank W. Peirson 1928-4-25 7917 Riverside Cottonwood Spring Comment
  UCSB38716  Bernardia myricifolia Cowan, Clark 1978-4-23 Riverside 12.1 mi (19.2 km) S on Hwy. 74 from jct. with Hwy. 111 at Indian Wells 950 Comment
  UCR23741  Bidens pilosa John C. Roos 1965-8-18 s.n. Riverside In Corona Comment
  RSA585516  Bloomeria crocea Darin L. Banks, Steve Boyd 1995-5-9 382 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 701 Comment
  RSA0125971  Boechera Scott D. White, Justin M. Wood 2008-7-8 12374 Riverside Hurkey Creek Watershed- Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  JOTR30259  Boechera lincolnensis Leary, C. and Leary, Pat 1979-5-6 3026 Riverside Joshua Tree National Park. Just S.E. of Quail Mtn., Joshua Tree N.M., T2S R7E sec 14 1463 Comment
  LA204241  Boechera xylopoda L. Haines; L. Erickson 1937-4-10 Riverside Palms to Pines Highway near road to Shumay Comment
  RSA734504  Boerhavia coccinea M. Wall 2008-6-20 464 Riverside San Jacinto River, east of Hemet off Hwy 74, ca. 2.0 miles east of the Cranston Ranger Station. 639 Comment
  SD129258  Boerhavia coccinea A. C. Sanders 1989-9-19 9510 Riverside Chocolate Mountains Aerial Gunnery Range: 1.75 km (airline) south of Tabaseca Tank, along the wash above Tabaseca Target, along wash. UTM: 11S PH-35E, 07N 680 Comment
  UCD98029  Boerhavia coccinea T. C. Fuller 1968-7-17 17388 Riverside Behind post office, 288 E. Main St., San Jacinto. Comment
  UCR156275  Boerhavia coccinea T. B. Salvato, Kent Beaman 2005-5-16 853 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
  SEINET3228131  Boerhavia coulteri G. Rink 2012-9-1 11654 Riverside Blythe Solar Power Plant (proposed) about 10 miles northwest of Blythe 160 Comment
  UCR12293  Boerhavia coulteri Bill Isom 1971-9-8 s.n. Riverside U.C.R. field station, Moreno Valley Comment
  JOTR38525  Boerhavia coulteri var. palmeri Harding, Mitzi, Kipp Callahan 2012-8-27 294 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  UCR211474  Boerhavia intermedia Jim Andre, T. La Doux 2008-9-13 10279 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park, at base of Bell Mountain (NW end) at 'Pinto Y' maintenance service area 1104 Comment
  UCR35204  Boerhavia intermedia L. B. Ziegler 1964-9-2 30 Riverside San Jacinto Mountains, Dos Palmas Spring 1280 Comment
  RSA683912  Boerhavia wrightii Michael Denslow 2003-9-14 1569 Riverside Maniobra Valley, Chiraco Summit Road off I-10. 517 Comment
  SEINET10389837  Boerhavia wrightii A. C. Sanders, Jim Malusa 2015-9-10 41867 Riverside Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range 480 Comment
  UCD170384  Bolboschoenus maritimus subsp. paludosus Mitch Provance 2012-11-3 1112- 05 Riverside San Timoteo Canyon: West Beaumont, N side of Oak Valley Parkway (San Timoteo Canyon Rd.), 1.5 miles W of I-10. 709 Comment
  JOTR33125  Bothriochloa barbinodis La Doux, Tasha, Mike Bell 2003-10-17 1592 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Wonderland of Rocks; Wonderland Wash, active wash corridor with sandy bottom, surrounded by granitic outcrops and pediments 1310 Comment
  UCR2147  Bothriochloa barbinodis F. M. Reed 1920-5-10 4335 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Murray Canyon, near Palm Springs 427 Comment
  RSA0043064  Bouteloua aristidoides Duncan S. Bell, LeRoy Gross 2014-3-20 6268 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  RSA339334  Bouteloua barbata R. F. Thorne 53563 Riverside Joshua Tree National Monument: Just S of San Bernardino Co. line, near jnc od road to Split Rock and 29 Palms; elev. ca. 3600 feet-Valley W of Pinto Mountains. Sandy wash at Live Oak Tank. 1326 Comment
  JOTR32106  Bouteloua barbata var. barbata Harding, Mitzi, Kipp Callahan 2012-8-27 281 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  RSA0120325  Bouteloua curtipendula Duncan S. Bell, Thomas Stoughton 2016-4-14 9293 Riverside Santa Rosa Mountains; near the head of Deep Creek and near the trailhead of the Cactus Spring Trail, at an old mining area above this trail. 1219 Comment
  CHSC109259  Bowlesia incana Scott D. White; Justin M. Hood 2008-7-9 12423 Riverside San Jacinto Mountains: K Flat, from large pond downstream to meadow. 1402 Comment
  RSA667308  Brandegea bigelovii B. Pitzer 1989-4-15 1285 Riverside Chocolate Mountains Aerial Gunnery Range. Large wash crossing Ridgeline Road. 700 Comment
  UC1022805  Brandegea bigelovii Philip A. Munz 1940-3-23 15674 Riverside s of Pinto Mountains (road Dale to Cottonwood Springs); Cottonwood Springs 609 Comment
  UCR79237  Brassica rapa subsp. sylvestris Steve Boyd, Orlando Mistretta 1992-4-23 7062 Riverside Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area, along San Mateo Creek from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon 305 Comment
  CAS-BOT-BC36849  Brassica tournefortii Ira L. Wiggins; Dorothy B. Wiggins 1966-2-22 20462 Riverside Along Highway 60, about 1.5 mile southeast of Garnet Hill. Comment
  RSA772848  Brassica tournefortii Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4843 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 2-3 miles above Whitewater Visitor Center (Whitewater Trout Farm)., between N34.02559, W116.69098 and N34.02135 and W116.68712. 915 Comment
  RSA0097952  Brickellia californica Duncan S. Bell 2014-11-14 7721 Riverside Santa Rosa Mountains; in the Santa Rosa Wilderness area; west side of Martinez Mountain; collecting at Cactus Spring. 1292 Comment
  CAS-BOT-BC106185  Brickellia desertorum A. C. Sanders; Pam MacKay; Tim Thomas; O. F. Clarke 1996-11-23 19650 Riverside San Bernardino Mtns. - Whitewater Canyon, just below the fish hatchery (Whtie Water 7.5' Q.) 647 Comment
  CAS-BOT-BC106191  Brickellia desertorum John Roos; Lucille Roos 1950-9-9 4986 Riverside Mt. Rubidoux, Riverside 396 Comment
  UCR106906  Brickellia desertorum D. L. Banks, L. Raz 1996-11-5 1175 Riverside Agua Tibia Mountains, Pechanga Indian Reservation, east of San Gabriel Church; along main road in the Reservation; c. 20 m east of its intersection with Pechanga Creek 393 Comment
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Mar 2 2013
  UCR150643  Brickellia desertorum Bern Schwenn 1994-10-30 s.n. Riverside Joshua Tree National Monument, Little San Bernardino Mountains, Long Canyon; main canyon above narrows 976 Comment
  UCR18590  Brickellia desertorum John C. Roos 1951-10-19 5328 Riverside San Jacinto Valley, Gilman Hot Springs 459 Comment
  UCR19256  Brickellia incana John C. Roos 1947-11-1 3751 Riverside Sonoran (Colorado) Desert, Eagle Mountains, mouth of Lost Palms Canyon, & up the canyon some distance Comment
  LA105207  Brickellia oblongifolia var. linifolia K. Harper; 1988-5-14 sn Riverside San Jacinto/Santa Rosa Mountains, Canyon Drive at Alpine Village, off Hwy 74 Comment
  RSA198993  Brodiaea filifolia Robert F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37432 Riverside Santa Rose Plateau: Mesa de Colorado, Rancho California. 671 Comment
  UCR196006  Brodiaea filifolia R. F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 52007 Riverside Santa Rosa Plateau, Mesa de Colorado 610 Comment
  UCR191209  Brodiaea santarosae Tom Chester, W. P. Armstrong, Kay Madore 2006-6-1 911 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve; Waterline Road, 0.4 km east-southeast of the northernmost high point of the Mesa de Burro 564 Comment
  SBBG122775  Brodiaea terrestris subsp. kernensis A. Parikh 1990-5-17 175 Riverside W part of Mesa de Colorado, 0.3 km N of Avocado Mesa Rd, 0.1 km E of Via Volcano 632 Comment
  CAS-BOT-BC144321  Bromus Carl B. Wolf 1932-8-5 3949 Riverside San Jacinto Mountains. Along trail from Tahquitz Valley to San Jacinto Peak. 2621 Comment
  SEINET244299 Image available Bromus arenarius A. C. Sanders, Mitch Provance; T. B. Salvato 2001-5-9 24211 Riverside Perris-Aguanga Basin; Hemet., SE of intersection of State St and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi SSW of Hemet Butte. 500 Comment
  RSA27411  Bromus berteroanus C. L. Hitchcock 1940-4-2 5924 Riverside Cottonwood Spring wash, Joshua Tree National Monument. Comment
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Sep 11 2011
  RSA179505  Bromus carinatus E. W. Lathrop 1964-5-24 5393 Riverside 8 miles west of Murrieta Comment
  RSA385315  Bromus carinatus N. C. Cooper 1945-5-24 1647 Riverside Big Oaks Canyon, Banning, San Gorgonio Mountains. 1220 Comment
  SEINET10658417  Bromus diandrus Nye Leith, Greg Gust 2005-3-11 Nye 58 Riverside Lake Elsinore. Intersection of Diamond Circle and Malaga Rd. Off Mission Trail Rd. 399 Comment
  UCR101438  Bromus grandis A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22214 Riverside San Bernardino Mtns., Morongo Indian Reservation, side canyon east of Middle Branch of Millard Canyon 1341 Comment
  UCR209337  Bromus grandis Fred M. Roberts, Robt. L. Allen 2008-6-23 7056 Riverside Santa Ana Mountains, Santiago Peak, north slope, Main Divide Truck Trail, 0.4 km north-northeast of summit 1639 Comment
  UCR165423  Bromus hordeaceus A. C. Sanders 2005-4-21 29560 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 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
  UCR24949  Bromus marginatus A. C. Sanders 1980-7-18 1655 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  UCR9398  Bromus marginatus D. H. Wilken 1965-6-21 281 Riverside San Jacinto Mtns., Herkey Creek Public Camp, W end of the Hemet (Garner) Valley 1372 Comment
  POM7101  Bromus rubens P. A. Munz, L. T. Street, G. Williams 1919-3-28 2365 Riverside Cabazon. Comment
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Mar 13 2011
  UCR120895  Bromus rubens A. C. Sanders, D. Malueg 2002-4-8 24907 Riverside Perris-Aguanga Basin region, Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 396 Comment
  RSA614132  Bromus rubens D. L. Banks 1997-2-23 1299 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, south of Pechanga Road in the Reservation, north of Pechanga Creek, and east of the Pechanga Tribal Government Center. 367 Comment
  RSA0020665  Bromus tectorum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3637 Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Highway 79. 488 Comment
  SEINET10901257  Bromus tectorum Victor Duran 1932-5-18 Duran 3218 Riverside Idyllwild, San Jacinto Mountains. Very plentiful in this range in meadows and sheltered places in canyons. 1676 Comment
  UCR214119  Bromus trinii A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37749 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 (Lee) Lake, 0.5 mi. NE (25 deg. ) of Temescal Canyon Rd. where it goes under I-15 404 Comment
  RSA736556  Caesalpinia gilliesii Scott D. White, Angelia Carey 2004-7-2 10577 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UCR100047  Calandrinia ciliata Scott D. White 1993-3-3 1096 Riverside Perris Basin, Romoland/Winchester area 442 Comment
  UCR91658  Calandrinia ciliata Steve Boyd, D. L. Banks 1995-4-5 8425 Riverside Agua Tibia Mountains, Palomar Range, Agua Tibia Wilderness Area; northern flank of Agua Tibia Mtn. at the E edge of Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary 610 Comment
  CLARK-A1528-4982  Callitriche marginata John C. Roos 1966-3-6 Riverside March Air Force Base Comment
  LA31714  Calocedrus decurrens Carl Epling; 1931-10-3 sn Riverside San Jacinto Mountains, Strawberry Valley 1523 Comment
  RSA263709  Calochortus albus E. W. Lathrop 1968-5-30 6936 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  RSA444479  Calochortus albus J. C. Roos 1960-5-30 s.n. Riverside Ridge between heads of Bedford Canyon and East Fork Ladd Canyon 1220 Comment
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May 20 2011
  CAS-BOT-BC488541  Calochortus concolor R. S. Woglum 1941-6-13 3072 Riverside Pines to Palms Road, Santa Rosa Mountains Comment
  UCR217567  Calochortus plummerae Jeff B. Galvin 2008-6-11 67 Riverside Peninsular Ranges, Western foothills of the San Jacinto Mountains, Potrero, 4.3 km south of Beaumont and ~ 1 km west of Highland Springs Rd. 750 Comment
  RSA783290  Calochortus splendens J. D. Olmsted 1958-6-10 160 Riverside 8 miles SW of Corona on Oak Flat Fire Road (turn S in Corona from US [91?] onto Lincoln). Santiago Creek drainage area. 823 Comment
  RSA561883  Calycadenia tenella Steve Boyd 1992-6-10 7626 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about 'Potrero Escondido', an isolated area of low relief topping the ridge system due west of the junction on Tenaja Road (7S01) and Los Alamos Road (7S04), at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek. 671 Comment
  SEINET7379730 Image available Calycoseris wrightii H. K. Sharsmith 1952-4-11 4064 Riverside Northwest base of Chuckawalla Mountains 7 miles south of highway 60-70 1750 Comment
  UC1537346  Calyptridium monandrum Gordon H. True Jr. 1935-4-4 216 Riverside Gavilan Hills 609 Comment
  UC851946  Calyptridium monandrum I. W. Clokey 1935-4-18 6616 Riverside Gavila Mesa 600 Comment
  UCR100034  Calyptridium monandrum Scott D. White 1994-4-23 2043 Riverside San Bernardino Mtns., Millard Canyon, c. 5 air miles north of Cabazon: U.S. Forest Service Road 2S05.1, c. 1-1.5 mi. south of Millard Canyon Guard Station and junction of roads 2S05.2 & 2S05.1A (= East Branch) 1037 Comment
  UCR220119  Calyptridium monandrum D. E. Bramlet 1989-4-7 1819 A Riverside Perris-Aguanga Basin region, Lake Skinner County Park, southeast slope of Bachelor Mountain, c. 3200 ft. NW of Rawson Canyon & 8300 ft. east of Lake Skinner dam 476 Comment
  UCR98080  Calyptridium monandrum A. C. Sanders, G. Helmkamp 1997-3-15 19941 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 488 Comment
  RSA527865  Calyptridium parryi Scott D. White 1991-5-24 91 -75 Riverside San Jacinto Mtns region: Big Bear area E of Sugarloaf & W of Hwy 38, S of Hwy 18 & Baldwin Lake. 2073 Comment
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Aug 3 2017
  UC1618032  Calyptridium parryi Donald G. Nelson 1935-5-21 366 Riverside e. lake Hemet (and n. of Mt. Thomas, slopes just n. of meadow in valley just e. of Hurkey Creek Cap <camp ?> area); San Jacinto Mts. Comment
  RSA586129  Calystegia macrostegia subsp. arida D. L. Banks 1995-4-11 0172 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
  UCR116511  Calystegia macrostegia subsp. arida A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20669 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
  RSA714421  Calystegia macrostegia subsp. macrostegia A. C. Sanders 2004-5-12 27872 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  UC1184250  Camissonia Peter H. Raven 1958-3-15 11840 Riverside 4.2 mi e turn to Painted Canyon; Box Canyon Comment
  POM50787  Camissonia bistorta E. C. Jaeger 1925-3-21 s.n. Riverside Pachanga 610 Comment
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Oct 1 2013
  UCR153671  Camissonia bistorta Scott D. White 1999-5-24 7390 Riverside Peninsular Ranges/ Perris-Aguanga Basin, San Jacinto Valley, San Jacinto River wash: just N of the city of San Jacinto, about 1 mile SE of State St. Bridge 479 Comment
  UCR174434  Camissonia bistorta A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-22 32494 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
  UCR177000  Camissonia bistorta Jeffrey Ross, T. B. Salvato 1998-5-28 MOR- 295 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, c. 3.5 miles NNW of Cabazon 915 Comment
  UCR215514  Camissonia bistorta Daphne K. Christopher, Hannah I. Stevens 2003-4-4 085 Riverside Peninsular Range, UC Riverside Motte Rimrock Reserve, off Sage Road 530 Comment
  UCR228928  Camissonia bistorta A. C. Sanders 2011-4-6 39009 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
  UCR232019  Camissonia bistorta John F. Green 2008-4-24 13- 09 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris along Hwy 74, between Lazy Lizard Dr. and Wasson Canyon Rd. 504 Comment
  UCR49753  Camissonia bistorta D. C. Hawks, Guy Bruyea 1987-4-3 s.n. Riverside Peninsular Range, Gaylord property, NW of Aguanga 550 Comment
  CLARK-A1528-655  Camissonia boothii Charlotte Stocks 1964-4-20 Riverside Coachella Comment
  RSA465992  Camissonia boothii subsp. condensata Christopher Davidson 1973-4-1 1845 Riverside Palm Springs. 488 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
  RSA75371  Camissonia brevipes subsp. brevipes F. W. Peirson 1930-3-29 8686 Riverside Colorado Desert. Painted Canyon, near Mecca. Comment
  RSA339346  Camissonia californica Robert F. Thorne, W. A. Tilforth 1980-5-28 54171 b Riverside San Bernardino Mountains, dry, Colorado Desert slopes, S-facing and W-facing, N-S rocky ridge at E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 miles E of Whitewater Post Office. Comment
  UCR35219  Camissonia californica L. B. Ziegler 1968-5-11 288 Riverside San Jacinto Mountains foothills, mouth of Bautista Canyon 610 Comment
  UCR248432  Camissonia cardiophylla Duncan S. Bell 2012-2-12 3113 Riverside Mojave Desert, Mecca Hills, c. 1.25 air miles north of Box Canyon Road, and c. 4 air miles southwest of Shavers Well 256 Comment
  UCR102715  Camissonia claviformis B. G. Pitzer 1998-1-24 3400 Riverside Sonoran (Colorado) Desert, N foot of Chuckwalla Mtns, Eagle Mt Rd, south side of Hwy I-10, 0.8 mi south of Hwy at powerline rd, & wash directly south of road 500 Comment
  RSA278959  Camissonia claviformis subsp. aurantiaca Barry A. Prigge, L. Martinez 1978-3-23 2402 Riverside NW Colorado Desert, Coachella Valley, 1.9 miles E of North Palm Springs on Dillon Rd. 244 Comment
  RSA688914  Camissonia claviformis subsp. aurantiaca Scott D. White 2001-4-18 8364 Riverside Coachella Valley: Palm Springs. NE corner of Sunrise Dr. and San Raphael Dr. (Palm Springs) 152 Comment
  SEINET3093240 Image available Camissonia confusa A. C. Sanders, B. Pitzer 1986-4-30 6473 Riverside San Jacinto Valley; San Jacinto River Valley at the mouth of Bee Canyon. 610 Comment
  POM306066  Camissonia hirtella Henry J. Ramsey, Henry J. Ramsey 1937-5-30 1320 Riverside Santa Rosa Mountains. Comment
  RSA585511  Camissonia hirtella D. L. Banks, Steve D. Boyd 1995-5-9 372 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., the Dorland Mtn area, W of the Dripping Springs Alcove, W of Woodchuck Campground. 793 Comment
  RSA715073  Camissonia hirtella A. C. Sanders 2005-4-22 29614 Riverside Gavilan Hills: Gavilan Plateau ca. 0.75 air mi. SE of summit of Gavilan Peak. 625 Comment
  UCR154747  Camissonia hirtella T. B. Salvato, Kent Beaman 2005-5-16 779 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
  UCR58881  Camissonia hirtella Ed LaRue 1989-5-4 s.n. Riverside 2 mi NW of Lake Elsinore, adjacent to Cleveland National Forest; at McVicker Canyon. 488 Comment
  UCR98304  Camissonia hirtella Scott D. White 1993-5-29 1457 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1372 Comment
  CAS-BOT-BC176433  Camissonia intermedia Mitch Provance 2003-4-17 4630 Riverside San Bernardino Valley: Riverside, W base of Box Springs Mts., Big Springs Arroyo, N. side of Big Springs Rd., W of the railroad tracks 360 Comment
  UCR114122  Camissonia pallida B. G. Pitzer, J. Ross 1998-3-8 3604 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  SEINET12189028  Camissonia pallida E. A. Purer 1935-1 6484 Riverside near Palm Springs Comment
  RSA691087  Camissonia pallida subsp. pallida Scott D. White 2001-4-18 8356 Riverside Coachella Valley: Palm Springs. NE corner of Sunrise Dr. and San Raphael Dr. (Palm Springs) 152 Comment
  RSA758320  Camissonia refracta Doug Goldman 2005-3-3 3023 Riverside Box Canyon, along the west side of Box Canyon Road, around 10 miles southwest of the intersection with Interstate 10 and around 0.7 miles southeast of Blake Hill 268 Comment
  RSA796095  Camissonia refracta Duncan S. Bell 2009-4-20 307 Riverside Arica Mountains: southeast of range, approximately 7.5 air miles south of Rice. 244 Comment
  UC1186510  Camissonia refracta E. G. Linsley and J. W. MacSwain 1960-3-2 60 -10 Riverside 2 mi w Desert Center Comment
  UCR163087  Camissonia refracta B. G. Pitzer 2000-5-7 4146 Riverside Sonoran (Colorado) Desert, extreme north end of Orocopia Mountains, Shavers Valley, at base of hills c. 0.5 mi. SE of Box Canyon Road. 341 Comment
  UC488994  Camissonia strigulosa C. V. Meyer June 1927 159 Riverside Saunder's Meadow San Jacinto Mts. 1676 Comment
  UCR155055  Camissonia strigulosa Jason L. Hlebakos 2005-5-30 817 Riverside Peninsular Range, Durasno Valley, SE of Coahuilla Indian Reservation, c. 11 mi east of Bonnie Road, and c. 6 mi SSW of Anza 1402 Comment
  UCSB42115  Camissoniopsis bistorta Roos, John 1966-4-5 Riverside Winchester Comment
  JOTR34272  Camissoniopsis pallida subsp. pallida La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3288 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Sandy, narrow canyon at base of Quail Mountain with bouldery/rocky slopes; North end of Juniper Flats (Stop 3) Comment
  RSA0103964  Camissoniopsis pallida subsp. pallida Duncan S. Bell, LeRoy Gross 2015-3-10 7769 Riverside San Gorgonio Wilderness area; Mission Creek; just below (south of) the San Bernardino/Riverside county border. 830 Comment
  CSUSB544  Capsella bursa-pastoris D. T. Wright 1966-3-19 S. N. Riverside 3.5 miles East of Corona, along road by plowed field. Comment
  UCR100046  Capsella bursa-pastoris Scott D. White 1993-3-3 1095 Riverside Perris Basin, Romoland/Winchester area 442 Comment
  RSA770448  Carex alma Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4560 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCD169811  Carex barbarae R. F. Thorne; E. W. Lathrop, W. Wisura 1977-7-8 49554 Riverside Santa Ana Mountains: along Ortega Highway (74), about 3 miles south-southwest of El Cariso, near junction of Decker and Morrell Canyons. 537 Comment
  UC837255  Carex nebrascensis P. A. Munz 1922-9-6 6393 Riverside Round Valley San Jacinto Mts. 2743 Comment
  RSA0125109  Carex praegracilis Duncan S. Bell 2016-10-27 10203 Riverside Whitewater Canyon area; collecting in Rainbow Canyon, 2.75 air miles northwest of the Whitewater Ranger Station (trout ponds). 1024 Comment
  RSA192147  Carex schottii H. A. Zuill 1966-4-1 111 Riverside About 10 miles WSW of Murrieta, Tenaja Canyon,. Comment
  UC212812  Carex schottii I. M. Johnston 1928-4-27 1859 Riverside Murrieta Southern California 304 Comment
  CHSC88475  Carex senta L. P. Janeway 2004-5-8 8063 Riverside Peninsular Ranges. Santa Ana Mountains, San Mateo Canyon; along the creek 150 m south-southwest of the Tenaja Trail trailhead at Wildomar Road. 384 Comment
  RSA424898B  Carex senta N. M. Fellows, A. C. Sanders 1985-5-7 191 Riverside Oasis de los Osos Preserve, off Snow Creek Canyon at the north foot of the San Jacinto Mountains, 1 mile W of Snow Creek Village. 488 Comment
  UCR7747  Carex senta Vicki Barnum 1968-5-17 s.n. Riverside San Jacinto Mountains, Mt. San Jacinto, Long Valley, within 0.5 mi of tram walkway 2622 Comment
  RSA0011148  Carya illinoinensis R. E. Riefner Jr. 2007-6-16 07 -258 Riverside City of Hemet, Lake St at Flrida Ave. (Hwy 74). 591 Comment
  RSA496569  Castilleja affinis Bill Wagner 1988-4-5 s.n. Riverside Approx. 1.5 miles NW of the community of Murrieta. South side of I-15 Fwy at the junction of Nutmeg Rd. 381 Comment
  SBBG26800  Castilleja affinis subsp. affinis C. B. Clokey, I. W. Clokey, B. Templeton 1930-4-15 4729 Riverside Perris to Gavilan Pk 600 Comment
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Nov 8 2011
  SDSU14031  Castilleja affinis subsp. affinis Dinna Estrella, M. G. Simpson 2002-4-20 19 Riverside Santa Margarita Ecological Reserve. Loop trail, ca. 1/4 mile east of Northside station. 341 Comment
  RSA773126  Castilleja exserta Duncan S. Bell, Joy D. England 2010-6-4 1262 Riverside San Bernardino National Forest: Garner Valley, approximately 3.2 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1383 Comment
  SEINET7042770  Castilleja exserta W. P. Vestal, A. G. Vestal 1955-3-25 s.n. Riverside Road shoulder on Long Valley Road north of Tecula. Ca. 0.1 mile east of U.S. 395 [=Interstate 15 & Route 79]. Comment
  UCR138912  Castilleja exserta subsp. exserta Julie A. Greene 1993-4-10 1175 Riverside San Jacinto Valley, San Jacinto Wildlife Area. Drainage south of Duck Club Rd., and east of Davis Road 436 Comment
  RSA234083  Castilleja foliolosa Robert F. Thorne, E. W. Lathrop 1969-6-6 39327 Riverside Santa Rosa Plateau: Rancho California. 610 Comment
  UCR100041  Castilleja foliolosa Scott D. White 1994-4-23 2050 Riverside San Bernardino Mtns., Millard Canyon, c. 5 air miles north of Cabazon: U.S. Forest Service Road 2S05.1, c. 1-1.5 mi. south of Millard Canyon Guard Station and junction of roads 2S05.2 & 2S05.1A (= East Branch) 1037 Comment
  RSA0010912  Castilleja minor subsp. spiralis Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2136 Riverside Santa Rosa Mountains. Comment
  SEINET3365543  Casuarina equisetifolia G. Rink 2011-10-11 11080 Riverside Next to agricultural fields east of the McCoy Mountains, northwest of Blythe, used as a windbreak for lemon grove 160 Comment
  OBI29878  Caulanthus hallii Melissa Luckow, Rhonda Riggins 1982-4-15 823 Riverside Pinyon Pass Rd, 0.1m I NW of hwy 74 1006 Comment
  UC1492739  Caulanthus hallii Freed W. Hoffman 1950-4-26 3351 Riverside road to summit El Toro Mt. 2.6 mi from intersection with Palms-to-Pines Highway 74; road to summit El Toro Mt. Comment
  UCR104638  Caulanthus heterophyllus D. E. Bramlet, Steve Boyd 1991-5-13 2150 A Riverside Shipley Multi-species reserve. N Domenigoni Hills. 1.37 km SE of the intersection of Warren Road and Simpson Ave., on the large peak in Section 31, near the end of the old mine road Comment
  UCR117071  Caulanthus heterophyllus A. C. Sanders, Steven R. Hill 2001-5-4 24134 Riverside Santa Ana Mtns. region, W of Temecula, Santa Rosa Plateau area, top of escarpment on Rancho California Rd. at Avenida del Oro (to Sandia Creek. Dr.), E side of Rancho Calif. Rd. 488 Comment
  UCR162268  Caulanthus heterophyllus 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 1220 Comment
  UCR70891  Caulanthus heterophyllus Steve Boyd, T. S. Ross 1990-5-11 4621 Riverside Agua Tibia Mountains, Cleveland National Forest, base of Agua Tibia Mtn, east of Dripping Springs campground, south of Hwy 79 671 Comment
  UCR98075  Caulanthus heterophyllus A. C. Sanders, G. Helmkamp 1997-3-15 19947 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 488 Comment
  RSA0119884  Caulanthus lasiophyllus Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9098 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.75 air miles southeast of the summit of Martinez Mountain. 550 Comment
  LA51431  Caulanthus simulans H. Lewis; 1935-4-6 sn Riverside Palm Springs 152 Comment
  RSA0028168  Ceanothus John F. Emmel 1988-4-27 1084 Riverside Bautista Canyon Road, 8.15 road miles SE of the national forest boundary. 107 Comment
  UC64021  Ceanothus cordulatus H. M. Hall Aug. 1897 Riverside San Jacinto Mts. 2438 Comment
  CAS-BOT-BC48451  Ceanothus crassifolius Steve Boyd; Tim Ross 1993-3-23 7902 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, 670 Comment
  IRVC26891  Ceanothus crassifolius C. B. Wolf 1932-2-11 2648 Riverside Hidden [Tin Mine] Canyon, 5 mi. W of Corona, base of Skyline Drive. Santa Ana Mtns 405 Comment
  LA41993  Ceanothus crassifolius W. E. Pequegnat; 1938-1-23 sn Riverside Santa Ana Mountains, Indian Rd 548 Comment
  RSA518452  Ceanothus crassifolius C. W. Tilforth, Dorothy Tilforth 1977-3-6 1260 Riverside 0.3 miles E of El Cariso Forest Station, W of Lake Elsinore, Hgwy 74 and Forestry Rd. 6S06. Comment
  RSA569991  Ceanothus crassifolius Steve Boyd, Tim S. Ross 1993-3-23 7900 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road, 610 Comment
  RSA575071  Ceanothus crassifolius Steve Boyd 1981-3-4 575071 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
  RSA575076  Ceanothus crassifolius Steve Boyd 1981-3-4 810304 -Y 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
  RSA651874  Ceanothus crassifolius Carol Zuck 1981-2-16 41 Riverside On I-74, 17.5 miles southeast of Santa Rosa Rd. overlooking Elsinore. Comment
  SD152769  Ceanothus crassifolius Steve Boyd 1993-3-14 7726 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Northeastern corner of the wilderness, south of Elsinore Peak, in borad saddle on high ridge forming east side of Wildhorse Canyon. 975 Comment
  UC1594219  Ceanothus crassifolius Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-19 3019 Riverside 1 mi w Vail Lake 609 Comment
  UCR265822  Ceanothus crassifolius Mitch Provance 2012-5-24 512- 03 B Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  RSA535081  Ceanothus cuneatus Steve Boyd 1991-9-8 6437 Riverside Aguanga area, rocky hill just NE of jtn Hwy 79 and hwy 371 on dirt road called Aguanga Ranch Rd which exits Hwy 79 just E of jtn. Comment
  UCR58473  Ceanothus cuneatus Ed LaRue 1989-1 s.n. Riverside foothills of San Bernardino Mtns, Hills east of Beaumont, along Potrero Creek, 0.5 mi. east of old San Jacinto Nuevo Y Potrero land grant 701 Comment
  UCR160056  Ceanothus cuneatus var. cuneatus Steve Boyd, Valerie Soza 2004-6-22 11542 Riverside Peninsular Ranges; San Jacinto Mountains region, Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along Forest Service Road 5N13 near 5N06 1463 Comment
  POM306779  Ceanothus greggii var. perplexans Henry J. Ramsey, Henry J. Ramsey 1938-4-22 1701 Riverside Santa Rosa Mountains Comment
  RSA1793  Ceanothus greggii var. perplexans Carl B. Wolf 1931-5-11 1944 Riverside Near Pipe Creek, above Hemet Valley. 1677 Comment
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Mar 24 2011
  UC1005024  Ceanothus integerrimus W. Pequegnat 1940-7-1 Riverside Santiago Peak Santa Ana Mts. 1734 Comment
  RSA221091  Ceanothus integerrimus var. californicus E. W. Lathrop 1966-5-8 6416 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  RSA569996  Ceanothus ophiochilus Steve Boyd, Kyle Boyd 1993-3-28 7911 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road. 792 Comment
  RSA569997  Ceanothus ophiochilus Steve Boyd, Kyle Boyd 1993-3-28 7912 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road. 792 Comment
  RSA754175  Ceanothus ophiochilus Dylan O. Burge 2009-3-19 DOB 1065 c Riverside Oak Mountain, west of Vail Lake, accessed via foot trail from Vail Lake Resort, 13.4 km 291 degrees True WNW of Aguanga. 640 Comment
  UC774793  Ceanothus palmeri Carl B. Wolf 1941-8-12 11145 Riverside between Keen Camp P.O. and Hemet Valley (Keen Camp Summit); San Jacinto Mts. 1493 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
  UC1071223  Ceanothus papillosus A. Lewis Mar 1934 355 Riverside Sugarloaf Peak Cleveland National Forest, Corona Quad. Comment
  RSA0124024  Ceanothus perplexans Duncan S. Bell, Thomas Stoughton 2016-4-14 9299 Riverside Santa Rosa Mountains; near the head of Deep Creek and near the trailhead of the Cactus Spring Trail, at an old mining area above this trail. 1219 Comment
  UCR34442  Ceanothus prostratus A. C. Sanders 1984-7-1 4696 Riverside San Jacinto Mtns., In experimental plots behind the Vista Grande Guard Station on Hwy 243 about 10 miles south of Banning 1494 Comment
  POM6883  Ceanothus tomentosus var. olivaceus P. A. Munz, L. T. Street, G. Williams 1919-3-25 2326 Riverside Beaumont. Comment
  RSA221096  Ceanothus tomentosus var. olivaceus E. W. Lathrop 1966-3-23 6092 Riverside Santa Ana Mountains: Corona between Tin Mine Canyon and Santiago Peak, Skyline Drie. Comment
  UCR23844  Cenchrus ciliaris John C. Roos 1965-10-17 s.n. Riverside Sonoran (Colorado) Desert, roadside 20 miles west of Blythe 120 Comment
  OBI4694  Cenchrus echinatus T. C. Fuller 1962-10-2 9695 Riverside SW corner of Hayes St and hwy 111 to Niland. 4 mi SE of Mecca Comment
  CAS-BOT-BC277181  Centaurea X pouzinii John Thomas Howell 1952-10-24 28864 Riverside Fuller Ranch near Corona Comment
  RSA430195  Centaurea melitensis E. Misquez 1987-5-16 9 Riverside Santa Ana Mountains, Walker Basin; 2 miles on Avenida de Oro from Jct with Rancho California road and 4.7 miles west of Interstate 15. 415 Comment
  SDSU12917  Centaurea melitensis Jutta Buschbom 1991-6-1 13 Riverside SE - slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500 m (15 min) NW from the field station Santa Margarita Ecological Reserve, Temecula. 375 Comment
  UCR21550  Centaurium venustum W. W. Mayhew 1980-7-18 s.n. Riverside Santa Rosa Mtns., 1 mi. south of Hwy 74 on the road to Santa Rosa Peak. 1585 Comment
  UCR22142  Centaurium venustum Steve Boyd 1980-6-4 315 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR89757  Centaurium venustum Scott D. White 1993-5-27 1427 Riverside North Alberhill Ranch, hills north of Walker Canyon 488 Comment
  CAS-BOT-BC179728  Centrostegia thurberi Annie M. Alexander; Louise Kellogg 1941-5-15 2176 Riverside N base of Eagle Mountains. Colorado Desert 914 Comment
  POM14190  Cerastium glomeratum William M. Pierce 1922-4-15 s.n. Riverside Santa Ana Canyon. Santa Ana Mountains. Comment
  RSA561781  Cerastium glomeratum Steve Boyd 1992-4-14 6847 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail. 341 Comment
  POM8988  Cercidium floridum Mary F. Spencer 1920-4-9 755 Riverside Colorado desert near Palm Springs Comment
  NY43446  Cercidium floridum subsp. floridum C. R. Annable 1995-3-10 2262 Riverside 1.6km S of Lake Cahuilla County Park Comment
  RSA561894  Cercocarpus betuloides Steve D. Boyd, Tim S. Ross 1992-6-10 7637 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon about Potrero Escondido., An isolated area of low relief topping the ridge system due west of the junction on Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek. 671 Comment
  UCR13742  Cercocarpus betuloides N. R. Zabriskie, W. W. Zabriskie 1972-10-22 546 Riverside Santa Rosa Mtns., NE side Cactus Spring Trail west of Horsethief Canyon. Deep Canyon Drainage. Near site # 13 1098 Comment
  UCR65288  Cercocarpus minutiflorus Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3882 Riverside Peninsular Range, Vail Lake area, cinder cone ridge at north side of mouth of Temecula Creek Canyon and adjacent benches on S flank of 'Big' Oak Mtn. 549 Comment
  RSA525265  Chaenactis artemisiifolia Steve Boyd 1990-5-3 4578 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  GMDRC9818  Chaenactis carphoclinia var. carphoclinia J. M. Andre 2017-3-1 38065 Riverside Coxcomb Mountains: north of Hwy 177 at JTNP boundary, 10.1 mi. NE of Desert Center (I-10) 159 Comment
  SD49375  Chaenactis carphoclinia var. carphoclinia Thomas W. Whitaker 1958-4-30 Riverside Box Canon, midway between Mecca and Shaver Well. Comment
  SD8910  Chaenactis carphoclinia var. carphoclinia S. B. Parish, W. F. Parish April 1882 1 Riverside Agua Caliente [now Palm Springs] Comment
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Jul 16 2010
  UC90179  Chaenactis carphoclinia var. carphoclinia S. B. and W. F. Parish 1882-4-1 Riverside Aqua Caliente Comment
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Jun 9 2012
  CAS-BOT-BC276908  Chaenactis fremontii Carl B. Wolf 1937-5-4 8526 Riverside Colorado Desert. Little San Bernardino Mountains. Morongo Wash, 1 mile below San Bernardino County line 609 Comment
  CAS-BOT-BC276929  Chaenactis fremontii H. M. Hall 1902-4-1 2807 Riverside Colorado Desert. Coyote Canyon 152 Comment
  JEPS30922  Chaenactis fremontii P. Stockwell 1940-4-24 1504 Riverside 1 mi e of Cabazon Comment
  RSA0031441  Chaenactis fremontii Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4517 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SBBG7873  Chaenactis fremontii C. H. Muller 1952-4-6 9510 Riverside Pinto Basin, Joshua Tree Nat Monument Comment
  UCR102918  Chaenactis fremontii George K. Helmkamp 1998-2-5 2636 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, 1.1 mi. west of Calif. Hwy 111 on Tramway Rd. 335 Comment
  CAS-BOT-BC277412  Chaenactis glabriuscula var. glabriuscula Scott D. White 1996-4-14 3898 Riverside Perris Basin. E of Hemet: San Jacinto River Wash near Valle Vista, N of Hwy. 74, ca. 1.7 mi W of USFS Cranston Fire Station 550 Comment
  CAS-BOT-BC277414  Chaenactis glabriuscula var. glabriuscula E. W. Lathrop 1965-5-9 5744 Riverside 6 miles W of Murrieta Comment
  SBBG104646  Chaenactis glabriuscula var. glabriuscula M. A. Patten 1992-5-14 92 -6 Riverside Cherry Valley, just N of Cherry Park Dr, between Mtn View Ave and Beaumont Ave Comment
  POM12790  Chaenactis glabriuscula var. lanosa Philip A. Munz 1922-6-23 5780 Riverside Hemet Valley, San Jacinto Mountains, [on Garner Ranch - 5784] 1372 Comment
  SD114994  Chaenactis parishii Fred T. Sproul Unknown 147 Riverside Santa Rosa Mountains Comment
  JEPS8889  Chaenactis stevioides E. E. Schellenger 1920-5-1 Riverside canon e of Coachella; Colorado Desert Comment
  JOTR33930  Chaenactis stevioides La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2820 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  RSA339341  Chamaesyce R. F. Thorne, W. A. Tilforth 1980-5-28 54175 Riverside San Bernardino Mountains, dry, Colorado Desert slopes, S-facing and W-facing, N-S rocky ridge at E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 miles E of Whitewater Post Office. Comment
  JOTR33670  Chamaesyce albomarginata La Doux, Tasha, Mike Bell, Mariya Navasio 2005-9-21 2660 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Wonderland of Rocks; Near Wall Street Mill parking area 1310 Comment
  UC577219  Chamaesyce polycarpa Lewis S. Rose 1934-12-25 34490 Riverside 10 mi n Whitewater; T Cross K Ranch Comment
  RSA549999  Chamaesyce serpens O. F. Clarke 1976-9-23 s.n. Riverside Common weed on UCR campus. Comment
  UC729489  Chamaesyce serpillifolia subsp. hirtula Carl B. Wolf 1932-8-6 3995 Riverside 2.9 mi from Idyllwild (on rd to Hemet); San Jacinto Mtns 1219 Comment
  RSA770639  Chamaesyce setiloba R. F. Thorne 1966-10-15 41779 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway Comment
  UC869131  Chamaesyce setiloba Alice Eastwood 1913-4-30 2978 Riverside Palm Springs Comment
  RSA716185  Chamomilla suaveolens Scott D. White, Angelia Carey 2004-4-5 10035 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UC199915  Cheilanthes clevelandii S. B. and W. F. Parish April, 1882 508 Riverside Potrero San Jacinto Comment
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Nov 9 2009
  UC71520  Cheilanthes clevelandii Miss Alice King 1892-1 Riverside Comment
  UCR48427  Cheilanthes clevelandii Steve Boyd, C. Boyd, B. Roy 1986-2-2 1201 Riverside Peninsular Range, Hwy 79 at San Diego county line Comment
  POM119153  Cheilanthes covillei Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  UC667376  Cheilanthes covillei Annie M. Alexander and Louise Kellogg 1941-5-21 2211 Riverside canyon n slope of Eagle Mts Colorado Desert, Eagle Mts 1280 Comment
  UCR178564  Cheilanthes covillei R. G. Swinney 1967-3-5 47 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 381 Comment
  POM890  Cheilanthes newberryi Philip A. Munz 1918-4-27 2121 Riverside Perris Hills Comment
  RSA23231  Cheilanthes parryi Ernest Braunton 1940-4-3 2021 Riverside Berdoo Canyon, 10 mi. E. of Indio 304 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
  UC668372  Cheilanthes parryi Annie M. Alexander and Louise Kellogg 1941-4-22 2061 Riverside White Water Canyon; Colorado Desert 548 Comment
  POM299277  Cheilanthes viscida A. M. Alexander, Louise Kellogg 1941-5-21 2214 Riverside Colorado Desert: bed of canyon near its mouth, north slope of Eagle Mountains. 1159 Comment
  UCR82220  Chenopodium J. M. Stewart 1994-5-2 857 Riverside Western Colorado Desert, Coachella Valley, Thermal. Hwy 86 & Avenue 60 Comment
  RSA661033  Chenopodium berlandieri A. C. Sanders, Mitch Provance 1999-9-26 23076 Riverside McMullen Flat ca. 1 km NW of Valley High County Park, ca. 1 km SE of Hwy 74 off (W of) Twin Pines Ranch Rd. 1195 Comment
  UCR101395  Chenopodium berlandieri A. C. Sanders, K. C. Rose 1998-9-29 22242 Riverside San Jacinto Valley, west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills 459 Comment
  SEINET3090675 Image available Chenopodium californicum Don Mitchell 1990-4-30 Riverside W side of Sage Road, ca. 1/2 mi. S of intersection with Wilson Valley Road. Comment
  UCR241920  Chenopodium californicum A. C. Sanders, Timothy W. Chumley 2013-3-28 40700 Riverside Peninsular Range, Alberhill, between I-15 Fwy and Temescal Canyon Rd., west side of Lake St. 376 Comment
  UCR97286  Chenopodium californicum Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3938 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn, north of Lake 823 Comment
  JOTR34080  Chenopodium fremontii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2975 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
  UCR20856  Chenopodium incognitum A. C. Sanders 1978-8-25 0282 Riverside San Jacinto Mountains, James Reserve, above Lake Fulmor 1646 Comment
  UCR102865  Chenopodium murale A. C. Sanders 1997-3-19 20063 Riverside Lake Skinner area, upper Rawson Canyon, west of Black Mountain, along the road from Lake Skinner 549 Comment
  RSA27511  Chenopodium murale I. L. Wiggins 1941-3-24 9584 Riverside East side of Salton Sea, 1 mile north of Imperial Co. Line. Comment
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Feb 20 2013
  CDA3103  Chenopodium strictum var. glaucophyllum Mitch Provance 2000-10-14 2254 Riverside Jurupa Mtns.; Crestmore area, along the S side of El Rivino Rd., ca. 0.4 miles N of Crestmore Quarries. Comment
  CAS-BOT-BC231769  Chilopsis linearis Geo. B. Grant 1906-4-20 6740 Riverside Palm Springs Comment
  SEINET13310687  Chilopsis linearis subsp. arcuata A. C. Sanders, Jim Malusa 2015-9-10 41841 Riverside Sonoran (Colorado) Desert: Salt Creek Canyon near top of alluvial fan, beside Summit Rd. c. 1.15 mi. below the old train trestle. 480 Comment
  UC604961  Chilopsis linearis subsp. arcuata Roxana S. Ferris and Ruth P. Rossbach 1938-5-16 9582 Riverside 2 mi. up Painted Canyon; Mecca Hills Comment
  UCR10807  Chlorogalum pomeridianum Ruth Cooper 1968-5-18 s.n. Riverside Santa Ana Mtns., Tin Mine Canyon 488 Comment
  RSA392605  Chorizanthe brevicornu var. brevicornu F. R. Fosberg 1932-3-13 8066 Riverside Thousand Palms Canyon, Coachella Valley. Comment
  SBBG1394  Chorizanthe brevicornu var. brevicornu C. H. Muller 1952-4-6 9504 Riverside 2 mi E of Shavers Summit, E of S gate to Joshua Tree Nat Monument Comment
  UC849185  Chorizanthe brevicornu var. brevicornu I. W. Clokey 1935-4-17 6595 Riverside Cottonwood Springs Comment
  RSA656553  Chorizanthe coriacea A. C. Sanders 2000-5-25 23406 Riverside Menifee Valley; S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake 439 Comment
  UCR135827  Chorizanthe coriacea A. C. Sanders, Guy Bruyea 2004-4-2 27437 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 335 Comment
  POM12961  Chorizanthe fimbriata P. A. Munz, I. M. Johnston 1922-5-18 5318 Riverside 3 miles south of Murrieta. Comment
  UCR215795  Chorizanthe leptoceras Anuja Parikh 1990-5-12 167 Riverside north of Agua Tibia Wilderness, south of Dripping Springs Campgrouns, 1.0 km south of Hwy 79, 2.8 km east of Woodchuck Road 494 Comment
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Mar 9 2014
  HSC85265  Chorizanthe leptotheca Steve Boyd 1986-4-22 1758 Riverside Temescal Canyon: Benches of Indian wash just S of Hwy. 15 Comment
  OBI82256  Chorizanthe leptotheca Lee A. Ripma 2008-6-25 130 Riverside Peninsular Ranges: San Jacinto Mts; Alvin Meadows (Blackburn Canyon) 7.5' Q. 1467 Comment
  UCR217527  Chorizanthe leptotheca Jeff B. Galvin 2010-6-8 135 Riverside Perris-Aguanga Basin, Temescal Canyon between Hwy I-15 and Temescal Canyon Road, south of the west end of Lee Lake 342 Comment
  UCR233082  Chorizanthe leptotheca T. B. Salvato, Richard Camacho 2011-6-12 5495 Riverside Peninsular Range, Temescal Canyon, N/S trending wash that extends from Temescal Canyon Road near the west end of Lee (Corona) Lake, south under the Hwy 15 overpass about 0.25 miles 372 Comment
  VVC1505  Chorizanthe leptotheca A. C. Sanders, PJ MacKay, Tim Thomas, O Clarke 1997-5-4 20679 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek drainage, dry slopes above Brown Creek. 915 Comment
  RSA688849  Chorizanthe parryi Scott D. White, Michael Honer 2003-5-13 9252 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
  JEPS100434  Chorizanthe parryi var. parryi Dean W. Taylor 2003-5-6 18526 Riverside 1.15 mi NNE of Cabazon, along access road paralleling powerlines 640 Comment
  RSA674608  Chorizanthe parryi var. parryi Scott D. White, Tasha La Doux 2000-6-16 8011 Riverside Perris/San Jacinto Basin: Winchester/Hemet area. Unnamed hills just S of Lakeview Mts. South of Hwy 74 and E of Hwy 79. 473 Comment
  SBBG122761  Chorizanthe parryi var. parryi A. Parikh 1990-4-27 161 Riverside SW of Crown Valley, W of Rawson Cyn, 1.7 km SW of jct of Crown Valley Rd and Rawson Rd 666 Comment
  UC84787  Chorizanthe parryi var. parryi Katharine Brandegee 1905-5-12 Riverside Riverside Comment
  CAS-BOT-BC257188  Chorizanthe polygonoides var. longispina D. E. Bramlet 1989-4-7 1815 Riverside Perris-Aguanga Basin region: Lake Skinner County Park, south of Lake Skinner, 500 ft. west of Old Warren Rd. and 100 ft. north of the E-W access road 518 Comment
  UCR121166  Chorizanthe polygonoides var. longispina D. E. Bramlet 1989-4-7 1815 Riverside Perris-Aguanga Basin region, Lake Skinner County Park, south of Lake Skinner, 500 ft. west of Old Warren Rd. and 100 ft. north of the E-W access road 518 Comment
  UCR48397  Chorizanthe polygonoides var. longispina Steve Boyd 1986-5-1 1796 Riverside Perris-Aguanga Basin region, southwestern Perris Basin, hill west of Skunk Hollow, Skunk Hollow vernal pool 488 Comment
  RSA525356  Chorizanthe staticoides Steve Boyd, Andy Sanders, Mark Skinner 1990-4-28 4452 Riverside Vail Lake area, low, sedimentary hills to E of USFS Dripping Springs Campground along Arroyo Seco Crk, S of Hwy 79. 488 Comment
  RSA543829  Chorizanthe staticoides Steve Boyd, Orlando Mistretta 1991-5-22 6296 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  SEINET10445993 Image available Chorizanthe xanti var. leucotheca Marc A. Baker, Danny Cuellar, Emily Mastrelli, Cecile Shohet and Stephan Myers 2015-1 18308 Riverside south side of the San Gorgonio River, 2km north of Banning, south base of the San Bernardino Mountains, 52km east of Riverside 788 Comment
  UCR23785  Chrysothamnus nauseosus John C. Roos 1943-10-16 2738 Riverside Southern Mojave Desert, Falcon Flats, Little San Bernardino Mtns 1524 Comment
  SDSU8600  Chylismia brevipes subsp. brevipes Pamela A. Beare 1992-3-13 13 III92D Riverside Just north of Box Canyon Road, approx. 7 miles ca. east of Painted Canyon Road, east of Mecca 280 Comment
  JEPS121571  Chylismia cardiophylla subsp. cardiophylla Adam C. Schneider with Will Freyman 2014-2-16 384 Riverside Box Canyon Road. Comment
  UCD103886  Chylismia claviformis Shirley C. Tucker 1957-3-10 3957 Riverside S of Mecca. Comment
  CAS-BOT-BC160613  Chylismia claviformis subsp. aurantiaca Ynez Whilton Winblad 1937-4-19 s.n. Riverside Near Palm Springs Comment
  CAS-BOT-BC160625  Chylismia claviformis subsp. aurantiaca Munz; Street; Williams 1919-3-26 2339 Riverside Mecca, Oasis-date-ranch 45 Comment
  RSA794235  Chylismia claviformis subsp. aurantiaca Jim Andre 2012-3-19 21310 Riverside Orocopia Mountains; north end of range, 0.5 miles south of junction of Box Canyon Road and I-10 freeway, 23 miles east of city of Coachella. 488 Comment
  UC1184378  Chylismia claviformis subsp. aurantiaca Peter H. Raven 1958-3-1 11750 Riverside along US Hwy 95 16.1 mi n Blythe Comment
  UCSB30309  Chylismia claviformis subsp. aurantiaca Sauls, Mary 1977-2-27 Riverside Upper bajada Box Canyon wash; 5 mi. W. of junction of Hwy. 195 and Interstate 10 365 Comment
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Nov 16 2015
  UCSB30313  Chylismia claviformis subsp. aurantiaca Sauls, Mary 1977-2-27 Riverside 5 mi. W. of junction Hwy. 195 and interstate 10; Box Canyon wash 365 Comment
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Nov 16 2015
  JEPS23456  Chylismia claviformis subsp. peirsonii W. L. Jepson 1927-4-14 11706 Riverside Silent Canyon foothills Santa Rosa Mts. (se end of mts.) 304 Comment
  RSA0070673  Cirsium occidentale var. californicum P. A. Munz, D. D. Keck 1923-6-14 7077 Riverside Santa Ana Mts. Glen Ivy Trail to Santiago Peak. 1524 Comment
  RSA562465  Cirsium occidentale var. occidentale Steve Boyd, Timothy S. Ross 1992-5-5 7224 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Eastern portions of Oak Flats along the Bluewater Trail 732 Comment
  RSA778392  Cistanthe ambigua Amber Swanson, Linda Jean Foster 2011-10-8 642 Riverside Large wash off Blythe Rice Rd 270 Comment
  RSA699822  Cistus incanus Scott D. White, Michael Honer 2003-4-4 8931 Riverside Temescal Valley: Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  RSA448265  Clarkia dudleyana Gale Sphon 1959-5-2 322 Riverside Horsethief Canyon, Elsinore Mountains. Comment
  UCR1639  Clarkia dudleyana R. G. Barber 1962-5-12 98 Riverside Box Springs Mtns., top of Box Spring Mountain, near (south of) the main gorge [Big Springs Canyon] on the W side of the mountain 915 Comment
  RSA585517  Clarkia epilobioides D. L. Banks, Steve D. Boyd 1995-5-9 381 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 701 Comment
  UCR154734  Clarkia purpurea T. B. Salvato, Kent Beaman 2005-5-16 765 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
  RSA356713  Clarkia purpurea subsp. quadrivulnera Robert F. Thorne, E. W. Lathrop 1975-5-25 45558 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro. 610 Comment
  SD237529  Clarkia purpurea subsp. quadrivulnera Steve Boyd 2010-5-28 12287 Riverside Santa Ana Mountains: Elsinore Peak, just south of Main Divide Road, eastern base of knoll south of peak. 1021 Comment
  CAS-BOT-BC165226  Clarkia similis Steve Boyd 1986-4-19 1705 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road Comment
  UCR20553  Claytonia parviflora subsp. viridis W. W. Mayhew 1977-6-12 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  HSC17685  Claytonia perfoliata subsp. mexicana C. L. Hitchcock, C. V. Muhlick 1964-3-17 23074 Riverside 8 mi. SE of Corona, along road to Elsinore Comment
  UCR82762  Clematis ligusticifolia A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15790 Riverside San Jacinto Mtns., N slope of mountains, nameless tributary of Azalea Creek, Twin Pines Creek drainage 1192 Comment
  UCR35164  Clematis pauciflora L. B. Ziegler 1968-3-5 267 Riverside San Jacinto Mtns., Foothills of Mtns. Hillsides at edge of Diamond Valley 488 Comment
  RSA440812  Cleome isomeris Robert L. Dressler 1949-3-19 432 Riverside Coxcomb Mountains, 23 miles NE of Desert Center Comment
  POM93721  Cleome isomeris Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring. 61 Comment
  UCR193748  Cnicus benedictus A. C. Sanders, Mitch Provance 2008-7-11 35754 Riverside Peninsular Range; San Jacinto Mtns., 3/4 mi. NE of Mountain Center, c. 1/4 mile NE of Keenwild Fire Station, near road to helipad 1494 Comment
  SEINET10308232 Image available Collinsia concolor T. Reeves 1978-5-13 6899 Riverside San Jacinto Mountains, foothills SE of Banning. Access via Westward Ave. T3S R1E S13 671 Comment
  UCR35350  Collinsia concolor L. B. Ziegler 1967-4-25 121 Riverside Perris-Aguanga Basin, Pauba Ranch [SE of Temecula in Pauba Valley, off Hwy 79] 381 Comment
  RSA0117413  Collinsia concolor N. C. Cooper 1944-6-16 1429 Riverside Pine Cove 1524 Comment
  UCR80820  Collomia grandiflora Scott D. White 1993-5-29 1485 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1220 Comment
  JOTR30263  Colubrina californica Leary, Pat 1987-5-21 3833 Riverside McCoy Spring, McCoy Mountains, T5S R20E sec17 (unsurveyed), [UTMs estimated, January 2010] Comment
  RSA535086  Convolvulus simulans Steve Boyd 1991-5-10 6219 Riverside Temescal Canyon, E base of Santa Ana Mountains. Terrace escarpment just SE of Indian Truck Trail offramp of I-15, S of DePalma Road. 366 Comment
  UCR103461  Cordylanthus rigidus Bern Schwenn 1998-9-27 s.n. Riverside Santa Rosa Mtns, San Bernardino National Forest, Cactus Spring Trail, at and near the spring. 1293 Comment
  UCR227601  Cordylanthus rigidus Duncan S. Bell, Jeff Morawetz, Kathleen Ashbaker 2010-6-28 1428 Riverside San Jacinto Mountains, San Bernardino National Forest, Garner Valley, c. 3 air miles southeast of junction of Forest Service Road 6S04 and Forest Service Road 6S13 1440 Comment
  RSA0103097  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8543 Riverside Santa Rosa Mountains; along the Cactus Spring Trail, just above Horsethief Creek. 1064 Comment
  UCD143009  Coreopsis bigelovii Raymond A. Evans 1999-3-1 s.n. Riverside North of Palm Springs, mouth of White Water Canyon. Comment
  RSA387392  Coreopsis californica Steve Boyd 1986-4-10 1641 b Riverside Temescal Canyon: along DePalma Raod between Indian Truck Trail and Horsethief Canyon. Comment
  SEINET270123  Coreopsis californica Steve Boyd, Orlando Mistretta; Tim Ross 1992-2-26 6701 Riverside San Mateo Canyon Wilderness Area ; Santa Ana Mountains San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon 305 Comment
  CAS-BOT-BC101300  Corethrogyne filaginifolia Peter H. Raven; R. Snow 1957-7-26 11082 Riverside Banning-Idyllwild Road, 6.5 mi. n. of road to Twin Pines Ranch, San Jacinto Mts. Comment
  CAS-BOT-BC101308  Corethrogyne filaginifolia Wesley Griesel 1962-9-18 744 Riverside Dark Canyon, San Jacinto Mts. 1920 Comment
  RSA259260  Corethrogyne filaginifolia P. A. Munz 1938-8-14 15383 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2438 Comment
  UC63361  Corethrogyne filaginifolia E. A. Zumbro 1902-10-1 363 Riverside Riverside Comment
  RSA0042781  Cornus nuttallii Nancy Anderson 1955-5-22 s.n. Riverside Dark Canyon. 1676 Comment
  SEINET8527446  Cornus sericea var. sericea H. M. Hall 1899-1 1369 Riverside San Bernardino Mountains Comment
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May 23 2018
  CLARK-A1528-2617  Crassula aquatica John C. Roos 1952-4-9 5514 Riverside Edgemont 487 Comment
  RSA612698  Crassula aquatica D. L. Banks 1997-3-29 1600 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border,, west of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  UCR116463  Crassula connata A. C. Sanders, T. B. Salvato 2001-3-30 23860 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. Pina Colada 366 Comment
  RSA507504  Cressa truxillensis Steve Myers 1988-6-4 s.n. Riverside Rancho California area, E of Winchester Road, between Auld Rd. & Borel Rd 396 Comment
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Mar 20 2011
  UC668376  Crossosoma bigelovii Annie M. Alexander and Louise Kellogg 1941-4-24 2074 Riverside gorge of Dry Morongo Creek Morongo Valley 640 Comment
  UCR245867  Crossosoma bigelovii R. F. Thorne 1995-3-29 63008 Riverside Transverse Range; San Bernardino Mtns., Whitewater Canyon 600 Comment
  VVC190  Crossosoma bigelovii A. C. Sanders 1995-4-5 16349 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  JEPS52464  Croton californicus W. L. Jepson 1901-5-17 1217 Riverside Riverside 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
  RSA785952  Croton californicus J. Andre 2011-2-9 15946 Riverside Coachella Valley; along Varner Road between Desert Hot Springs and Palm Desert, 2 miles N of I-10 189 Comment
  SBBG126041  Croton californicus J. M. Wood with D. M. Ray 2010-10-21 3024 Riverside Chuckwalla Valley 8 kilometers SW of Coxcomb Mtns and 3.5 kilometers E of Kaiser Rd 198 Comment
  SD80025  Croton californicus Nancy R. Zabriskie, Walter Zabriskie 1970-3-29 279 Riverside Andreas Canyon Club Gate on South Palm Canyon Drive, Palm Springs. 170 Comment
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Apr 17 2011
  POM319712  Croton californicus var. mohavensis Patricia Wilder 1971-5-13 4938 Riverside Prado Flood Control Basin at base of Prado Dam on small rise, Drainage area Santa Ana River, Flood Plain. 152 Comment
  UCR94939  Croton setiger Scott D. White 1996-9-22 4530 Riverside Perris Basin, Lakeview Mtns: north of Homeland, along Juniper Flats Road, c. 1.2 road miles north of intersection with State Hwy 74, unnamed drainage channel parallel to the road 500 Comment
  RSA586256  Crypsis vaginiflora R. E. Riefner 1995-11-29 95 -398 Riverside Along Davis Road near the San Jacinto River. Comment
  CAS-BOT-BC389672  Cryptantha D. L. Castleberry 1964-2-2 s.n. Riverside Tahquitz Canyon Comment
  UCR231745  Cryptantha John F. Green 2008-4-23 08- 02 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
  POM118685  Cryptantha angustifolia Marcus E. Jones 1924-2-26 s.n. Riverside Shaver s Well. Comment
  UCR34446  Cryptantha angustifolia George K. Helmkamp 1983-4-5 483 33 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  SEINET10455842  Cryptantha angustifolia David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-13 Dunn 2892 Riverside Pushawalla Canyon Biota. Indio Hills. Steep slopes on canyon side. Comment
  POM48537  Cryptantha barbigera F. M. Reed 1925-3-17 4993 Riverside Palm Springs. Comment
  UC667345  Cryptantha barbigera Annie M. Alexander and Louise Kellogg 1941-4-27 2093 Riverside Joshua Tree National Monument, Riverside and San Bernardino counties Joshua Tree National Monument 1310 Comment
  UCD118999  Cryptantha barbigera G. K. Helmkamp 1984-5-2 D- 26 Riverside Little San Bernardino Mountains Big Morongo Canyon, 3 - 3.5 miles below the caretaker's house at the Big Morongo Preserve. 550 Comment
  UCR165812  Cryptantha barbigera John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  UCR262240  Cryptantha barbigera T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3710 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  GMDRC2039  Cryptantha barbigera var. fergusoniae J. Andre 2006-4-26 6745 Riverside Little San Bernardino Mountains: Joshua Tree National Park: about 0.5 mi. NNE. of Rattlesnake Spring, on ridge just south of radio tower and NE corner of park boundary. Near 34.07623 deg. N 116.44711 deg. W. Elev. 4332 ft. 1321 Comment
  UCR135716  Cryptantha barbigera var. fergusoniae Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9024 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  UCR234811  Cryptantha barbigera var. fergusoniae Jim Andre, Glenn L. Clifton 2011-2-22 17476 Riverside Coachella Valley, North Palm Springs c. 0.3 mi north of Hwy 111, at corner of San Rafael and Virginia Street 189 Comment
  SDSU14044  Cryptantha clevelandii var. clevelandii Robin P. Silverstein 2002-4-1 6 Riverside Santa Margarita Ecological Reserve. Next to concrete drainage, under telephone wire, east bank of river, 1/10 of a mile south of Northside Field Station. 244 Comment
  GMDRC5831  Cryptantha costata J. M. Andre 2013-3-27 24795 Riverside Rice Valley: east side of Arica Mountains, along Rice-Midland Rd, 2.2 mi. south of Rice (Hwy 62) 242 Comment
  SD240918  Cryptantha costata A. C. Sanders 2010-3-23 37535 Riverside Sonoran (Colorado) Desert: Chuckwalla Valley, at SW foot of Palen Mountains (Sidewinder Well 7.5'Q) 130 Comment
  RSA0079341  Cryptantha cycloptera Lyman Benson 1933-3-31 4169 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  UC78484  Cryptantha dumetorum Marcus E. Jones, A. M. 1903-5-11 Riverside Whitewater, close to station Whitewater 304 Comment
  SEINET10939658  Cryptantha flaccida David B. Dunn 1946-3-16 Dunn 2068 Riverside On same sheet as Dunn 2911, UMO 162036. Collected on dry plateau 1/2 mi NE of Pushawalla Palms (Springs). Indio Hills. Sparse desert scrub of Larrea and Franseria, with palms at the springs in the canyon. Comment
  RSA784959  Cryptantha holoptera Duncan S. Bell 2012-2-12 3117 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  UCR244861  Cryptantha inaequata Jim Andre 2012-3-19 21382 Riverside Sonoran (Colorado) Desert, Palen Mountains, along Palen Pass Rd at Palen Pass 383 Comment
  POM368274  Cryptantha intermedia E. Crow 1929-2-24 184 Riverside Near Cabazon, NW Colorado Desert Comment
  RSA771784  Cryptantha intermedia Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4577 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR101789  Cryptantha intermedia George K. Helmkamp, E. A. Helmkamp 1997-3-5 1322 Riverside 2.8 mi SE of Gilman Hot Springs 518 Comment
  UCR104083  Cryptantha intermedia A. C. Sanders, P. J. MacKay, T. S. Thomas, O. F. Clarke 1997-5-4 20637 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
  UCR20917  Cryptantha intermedia A. C. Sanders 1978-7-5 00199 Riverside San Jacinto Mountains, James Reserve, near head of Lake Fulmor at the mouth of Indian Creek 1616 Comment
  UCR22050  Cryptantha intermedia Steve Boyd 1980-4-27 141 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 640 Comment
  SDSU20037  Cryptantha intermedia var. intermedia Michael G. Simpson 2012-4-27 3686 Riverside Skunk Hollow Vernal Pool Preserve, slight slope ca. 300 feet south of southern end of vernal pool. 419 Comment
  RSA703480  Cryptantha maritima var. maritima LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1425 -a Riverside Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  JEPS67968  Cryptantha micrantha W. L. Jepson 1901-5-19 1295 Riverside near Chalk Hill (on road to Strawberry Valley); San Jacinto Mt. 1676 Comment
  JOTR30305  Cryptantha micrantha La Doux, Tasha, Erin Babich, Bill Truesdell 2008-3-10 1738 Riverside Joshua Tree National Park. Stop 2: Near sand hill in Pinto Basin 538 Comment
  POM305855B  Cryptantha micrantha Henry J. Ramsey 1938-4-23 1165 -B Riverside Santa Rosa Mtns. Comment
  POM3707  Cryptantha micrantha H. M. Hall 1905-4-28 5938 Riverside McCoy Wash. Comment
  UC24831  Cryptantha micrantha H. M. Hall 1901-7 2487 Riverside shores of Lake Surprise San Jacinto Mountains, Lake Surprise 2499 Comment
  SDSU21362  Cryptantha microstachys Lee Ripma, Jim Rocks 2013-4-24 406 Riverside Proposed Spring Valley Raneh development project. On privately owned land. 550 Comment
  UCR116071  Cryptantha microstachys O. F. Clarke, Jeanine Derby 1974-4-19 s.n. Riverside Lakeview Mountains, c. 2 mi. SSW of Mt. Rudolph, north of Juniper Flat, east of Juniper Flat Rd. and south of Stagecoach Rd., EIR for Tentative Tract 5702 610 Comment
  UCR128918  Cryptantha microstachys A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23900 Riverside Perris-Aguanga Basin region, Tucalota Creek along gasline right-of-way, SE of French Valley Airport, off Borel Rd. in NE Murrieta 396 Comment
  RSA511363  Cryptantha muricata Steve Myers 1988-5-17 s.n. Riverside Santa Rosa Plateau area W of Murrieta, Via Majorca .25 mi. N of the intersection with Avenida Arboles. Comment
  RSA585729  Cryptantha muricata D. L. Banks, S. D. Boyd 1995-5-9 391 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 701 Comment
  UC1178518  Cryptantha muricata Peter Kamb 1948-7-4 1180 Riverside Hall Canyon San Jacinto Mts. 1645 Comment
  UCR156470  Cryptantha muricata T. B. Salvato, A. C. Sanders 2005-5-17 892 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
  UCR174132  Cryptantha muricata A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32635 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
  UCR216254  Cryptantha muricata Oleg Pryadko 2008-5-2 050 Riverside San Bernardino Valley Region, western Riverside near Pedley, Hidden Valley Wildlife Area, c. 1200 ft. south of Clay St. and General Road, 1000 ft. east of Van Buren Blvd., north bank of Santa Ana River 208 Comment
  RSA0079419  Cryptantha muricata var. jonesii Steve Boyd 1992-4-15 6883 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. dowstream to the confluence with San Mateo Creek. 335 Comment
  SD4237  Cryptantha muricata var. jonesii Fidella G. Woodcock 1928-4-27 Riverside San Jacinto Mountain: Idyllwild Comment
  SBBG28428  Cryptantha muricata var. muricata D. Myrick 1964-4-30 833 Riverside Pines to Palms Hwy 74, 15 mi W of Palm Desert 1219 Comment
  UCR193359  Cryptantha nemaclada A. C. Sanders, Tim Thomas 2008-6-20 35550 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  RSA480005  Cryptantha nevadensis Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2138 Riverside North end Palen Mountains, 2 mi west of Palen Pass 300 Comment
  CLARK-A1528-2232  Cryptantha racemosa John C. Roos 1948-5-1 3815 Riverside Whitewater 609 Comment
  JOTR34279  Cryptantha utahensis La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3294 Riverside Joshua Tree National Park. Little San Bernardino Mtns; ridge just south of Quail Mountain peak; N-facing steep slope (stop 5) Comment
  RSA339347  Cryptantha utahensis R. F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54077 Riverside Branch Ravine W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater PO. 610 Comment
  RSA699862  Cryptantha utahensis J. R. Bruff 1928-4-2 s.n. Riverside Canyon wash 1 mile west of Morengo. Comment
  RSA799665  Cucurbita foetidissima LeRoy Gross, Bart O'Brien 2013-3-18 5949 Riverside High bench above the Santa Ana river, north of the river, and south of the Riverside County animal control facility, just west of Van Buren Boulevard. Near Pedley. 205 Comment
  UC1922065  Cucurbita palmata R. E. Riefner Jr. 2006-8-2 06 -349 Riverside Lakeview Mountains, vicinity of Alicante Dr. and Jamawag Rd., N of Leon Rd. Comment
  SEINET4896208  Cupressus macrocarpa H. F. Thut 1971-1 Riverside near Redlands Comment
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Jul 19 2015
  UCR241607  Cuscuta A. C. Sanders, Fred M. Roberts, T. B. Salvato 2013-5-1 40822 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, intersection of Chuckwalla Valley Rd. and Graham Pass Rd. 124 Comment
  RSA409701  Cuscuta californica I. M. Johnston 1917-4-4 s.n. Riverside Mouth of Andreas Canyon. 244 Comment
  SBBG35570  Cuscuta californica D. Myrick 1966-4-2 1330 Riverside Palms to Pines Hwy 74 ca. 3 mi W of Palm Desert Comment
  UCD126288  Cuscuta denticulata A. C. Sanders; G. Nuhn 1995-4-20 16587 Riverside Colorado Desert: Coachella Valley, near Fan Hill, northeast of Dillon Road on an abandoned road, below Little San Bernardino Mountains. northeast of 1000 Palms. 350 Comment
  UCR127530  Cuscuta pentagona Scott D. White 1995-7-7 3452 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  RSA478740  Cycloloma atriplicifolium Lester H. Cushman 1932-8-24 s.n. Riverside Near Vineland, where the Valley Blvd. crosses the San Bernardino Co. line. Comment
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Nov 5 2011
  UCR207985  Cycloloma atriplicifolium L. C. Wheeler 1932-7-9 938 Riverside Santa Ana River at Chino Creek, (El Rincon) Corona 152 Comment
  UCR86869  Cycloloma atriplicifolium A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16278 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
  UCR90280  Cycloloma atriplicifolium Scott D. White 1995-7-7 3446 Riverside City of Riverside, Market Street crossing at Santa Ana River 344 Comment
  UCR99885  Cylindropuntia ganderi Jon P. Rebman, A. Salywon 1997-3-21 3832 Riverside Santa Rosa Mtns., along Hwy 74, 11.7 mi SW of jctn. with Hwy 11 966 Comment
  JOTR36023  Cymopterus panamintensis var. acutifolius Harding, Mitzi, T. Herskovits 2012-3-16 229 Riverside Joshua Tree National Park. Cholla Wash Comment
  UCR275358  Cyperus eragrostis T. B. Salvato, Melissa Clemons 2005-6-9 1501 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  CAS-BOT-BC114014  Cyperus rotundus Ralph Hoffman 1927-9-10 s.n. Riverside Cultivated ground near Fontana Comment
  CHSC96356  Cyperus rotundus K. E. Hoffmaster 1958-7-1 Riverside Indio. Comment
  RSA0011412  Dactylis glomerata Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4993 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  CLARK-A1528-2777  Dalea californica John C. Roos 1942-5-1 1150 Riverside Dry Morongo Canyon Comment
  RSA0124740  Dalea mollis Duncan S. Bell, LeRoy Gross 2016-3-9 8845 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central section of range, approximately 1.75 air miles north of Gucci Spring. 551 Comment
  RSA793415  Dalea mollis Naomi Fraga, David Fraker, Tommy Stoughton 2012-3-15 3958 Riverside Off of Box Canyon Rd. south of Shaver well on an alluvial plain. 323 Comment
  SEINET3439982 Image available Dalea mollissima George K. Helmkamp, E. A. Helmkamp 1998-2-18 2741 Riverside Chuckwalla Mtns: Graham Pass Rd, 10.6 mi. SSW of Chuckwalla Valley Rd. 488 Comment
  UC126761  Dalea mollissima H. M. Hall Apr. 1905 5975 Riverside Mule Mtns., near Hodge Mine, Colorado Desert Comment
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Nov 24 2016
  CLARK-A1656-654  Dalea schottii Lois Ann Scott 1978-4-20 Riverside Palm Springs 152 Comment
  JOTR32424  Dasyochloa pulchella Harding, Mitzi, T. Herskovits, D. Shade 2011-8-11 13 Riverside Joshua Tree National Park. Queen Mountains; Intersection of Park Blvd. and Pinto Basin road; Small rocky hills and surrounding drainages 1112 Comment
  POM147633  Dasyochloa pulchella F. M. Reed 1927-3-20 5438 Riverside Eagle canyon, fork of Salt Creek Wash, Colorado Desert Comment
  RSA566433  Datisca glomerata Peter L. Morrell, Stan C. Spencer 1993-5-28 244 Riverside on bank of San Gorgonio River, approx 4.25 air mi. N of gate at entrance to Banning Canyon 1600 Comment
  UC1532803  Datisca glomerata Robert F. Thorne, C. W. Tilforth, L. DeBuhr and E. Lathrop 1975-8-29 47299 Riverside along Tenaja Creek, Cleveland National Forest Tenaja Creek; Santa Rosa Plateau, Cleveland National Forest, Tenaja Creek Comment
  UCR86200  Datura discolor A. C. Sanders 1995-5-23 17120 Riverside Sonoran (Colorado) Desert, Coachella Valley, alluvial fans below the Santa Rosa Mountains, near the mouth of Martinez Canyon, at end of 72nd Avenue 25 Comment
  UCR21177  Datura wrightii Steve Boyd 1980-7-3 s.n. Riverside Perris Basin, Motte Reserve. Rocky hills 2.5 mi NW of Perris. Western edge of the reserve and 0.25 mi south of the NW corner of the reserve 518 Comment
  UCR1668  Daucus pusillus Annette Price 1962-5-8 088 Riverside Santa Ana Mtns., Santa Rosa Plateau, Tenaja Road, c. 4 mi. [west] from Washington Avenue, Murrieta 549 Comment
  CAS-BOT-BC299322  Deinandra fasciculata Palmer Stockwell 1935-5-12 1221 Riverside 2.5 mi. N. of Elsinore Comment
  JEPS13477  Deinandra kelloggii Frank W. Peirson 1925-5-20 6011 Riverside Aguanga Comment
  UC310836  Deinandra kelloggii Philip A. Munz 1925-1 9849 Riverside Aguanga Comment
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May 30 2011
  UCD131081  Deinandra kelloggii Virginia Moran 2003-7-17 s.n. Riverside Peninsular Range. Wilson Valley Mitigation Bank (Center for Natural Lands Management), northeast of Wilson Valley Road and West of Wilson Creek. 854 Comment
  CAS-BOT-BC413815  Deinandra paniculata R. E. Riefner, Jr. 2009-6-19 09 -135 Riverside Moreno Valley, NE ca. 0.15 mi from intersection of Nason St. and Ironwood Ave., W of Moreno Beach Dr., N of Moreno Valley Freeway (60 Fwy) 592 Comment
  SD146017  Deinandra paniculata A. C. Sanders, T. B. Salvato 2000-5-25 23423 Riverside Menifee Valley; south of Newport Road, north of Holland Road and east of Bradley Road, 2.0 miles due east of Railroad Canyon Lake. 438 Comment
  CAS-BOT-BC7989  Delphinium parishii subsp. parishii Donald Alexander Johansen; J. Ewan 1932-4-10 7094 Riverside Mouth of Tahquitz (west) Canyon above Palm Springs, Western Colorado Desert Comment
  RSA0020482  Delphinium parishii subsp. parishii L. Haines, L. C. Erickson 1937-4-10 s.n. Riverside Palms to Pines Hwy near road to Shumway. Comment
  RSA0020484  Delphinium parishii subsp. parishii E. C. Jaeger 1922-4-15 711 Riverside Palm Springs. 139 Comment
  RSA398774  Delphinium parryi Emery M. Whilton 1938-5-15 s.n. Riverside Lake Elsinore. Comment
  UCR251940  Delphinium parryi Harun Bektas 2011-4-26 03 Riverside Riverside, Box Springs Mountain Park; 7 miles above Moreno Valley via Pigeon Pass Rd. 793 Comment
  CAS-BOT-BC121421  Delphinium parryi subsp. parryi Steve Boyd 1986-4-19 1712 Riverside Temescal Canyon, flats at SE end Alberhill Mountain. Comment
  SBBG35010  Delphinium parryi subsp. parryi T. L. Secrest 1951-5-18 Riverside San Jacinto, few mi E of Hemet Comment
  RSA394494  Delphinium parryi subsp. purpureum N. C. Cooper 1949-6-29 4328 Riverside Hemet Lake, San Jacinto Mountains. 1524 Comment
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Nov 22 2011
  CAS-BOT-BC82954  Dendromecon rigida Hayes 1975-5-5 2364 Riverside Highway 243 12 miles north James Reserve. Comment
  RSA769032  Dendromecon rigida E. W. Lathrop 1973-6-28 7431 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  UCR243170  Dendromecon rigida LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4336 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
  SEINET263476 Image available Deschampsia danthonioides R. Noll sn Riverside Hemet corner of Warren and Florida Avenues Comment
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Jul 29 2013
  POM369389  Descurainia pinnata subsp. glabra Ora M. Clark 1932-3-17 s.n. Riverside N of La Quinta, Colorado Desert. Comment
  UCR141685  Dicentra ochroleuca June Latting 1980-5-20 s.n. Riverside Peninsular Range, Santa Ana Mountains, Skyline Drive in Tin Mine Canyon, south of Sierra Peak 671 Comment
  RSA770850  Dichelostemma capitatum Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4938 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
  RSA296150  Dicoria canescens B. A. Prigge 1980-8-18 3989 Riverside San Bernardino Mts, Catclaw Flat: 3.5 miles NNW of trout farm 963 Comment
  SBBG8047  Dicoria canescens H. and M. Dearing 1936-12-25 945 Riverside Long Cyn, near aqueduct Comment
  UCR109571  Dicoria canescens R. D. Goeden, Don W. Ricker 1986-5-29 s.n. Riverside Coachella Valley, Indio, Monroe St. -6 Comment
  UC892747  Dieteria asteroides var. asteroides Duranto Street 1918-5-13 1 Riverside near Hemet 335 Comment
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Mar 24 2011
  RSA702548  Digitaria sanguinalis Scott D. White, Brian Leatherman 2004-10-7 10768 Riverside City of Perris. Immediately east of the I-215 Freeway, at Watson Road. 434 Comment
  UCR2641  Digitaria sanguinalis F. M. Reed 1904-8-23 644 Riverside South Coast; San Bernardino Valley, Riverside, Terraces Ranch [547 Chicago Ave., near Arroyo Tequesquite] 305 Comment
  RSA522298  Digitaria sanguinalis Steve Boyd 1989-7-9 3768 Riverside City of Riverside. Comment
  RSA0019280  Diplacus brevipes N. C. Cooper 1943-9-11 924 Riverside Below Idlewild. 915 Comment
  SBBG122765  Diplacus fremontii A. Parikh 1990-5-12 169 Riverside Arroyo Seco, S of Dripping Springs Cmpgrd, 1 km S of Hwy 79, 2.8 km E of Woodchuck Rd 494 Comment
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Apr 29 2011
  CAS-BOT-BC150681  Diplacus longiflorus C. L. Hitchcock 1940-4-12 6044 Riverside 8 mi. northwest of Elsinore 457 Comment
  SEINET10521736  Distichlis spicata David B. Dunn 1947-9-21 Dunn 3510 Riverside Collected in Pushawalla Canyon. Dry banks below. Comment
  GMDRC5837  Ditaxis claryana J. M. Andre 2013-3-27 24823 Riverside Riverside Mountains: east side of Riverside Mountains, along Hwy 95, 13.2 mi. south of Vidal Jct 126 Comment
  JEPS3941  Ditaxis claryana Marjorie D. Clary 1933-3-13 Riverside Coral Reef Ranch, Coachella Valley Comment
  SEINET2055757 Image available Ditaxis lanceolata B. Pitzer 1998-1-24 3385 Riverside N foot of Chuckwalla Mts. Eagle Mt. Rd, AS. Side of highway 1-10, 0.8 mi S of Hwy powererline rd, & wash directly S of rd. 500 Comment
  UCR58872  Ditaxis neomexicana J. M. Stewart 1989-10-16 612 Riverside Sonoran (Colorado) Desert, Big Maria Mountains, canyon on NE side Comment
  RSA765262  Ditaxis serrata Justin M. Wood, D. M. Ray 2010-10-21 3000 Riverside Chuckwalla Valley NE of Victory Springs and 0.9 km E of Kaiser Road on unmarked 4WD road. 198 Comment
  RSA775099  Ditaxis serrata Duncan S. Bell, Michael Hee 2011-3-18 2054 Riverside Chuckwalla Mountains; north side of mountain range approximately 3 air miles southeast of Desert Center. 392 Comment
  CAS-BOT-BC43650  Dithyrea californica J. Von Loh 1978-1-23 3317 Riverside Palo Verde Mesa, 12 miles west of Blythe. 121 Comment
  RSA485838  Dithyrea californica T. S. Elias 1988-2-26 10685 Riverside Joshua Tree. Northeastern section of Eagle Mountains east of Joshua Tree National Monument. Comment
  RSA530738  Dithyrea californica Gale Sphon 1955-5-15 s.n. Riverside 5 miles north of Cathedral City. Comment
  RSA607585  Dithyrea californica R. S. Woglum 1939-4-11 2204 c Riverside Sonora Desert: Desert Center. Comment
  RSA691086  Dithyrea californica Scott D. White 2001-4-18 8361 Riverside Coachella Valley: Palm Springs. NE corner of Sunrise Dr. and San Raphael Dr. (Palm Springs) 152 Comment
  SBBG24505  Dithyrea californica A. I. Richardson 1966-3-23 Riverside S of Desert Highland Hot Springs rd to village of Thousand Palms Comment
  RSA785963  Dodecatheon jeffreyi J. D. Olmsted 1959-7-1 726 Riverside Fork near but north of Deer Springs (as at Deer Springs); 5 mi. north of Idyllwild 2652 Comment
  SD28101  Draba corrugata var. saxosa Carl B. Wolf 1932-8-5 3979 Riverside Summit of San Jacinto Peak 3293 Comment
  CSUSB810  Draba cuneifolia James K. Ryan 1969-3-26 23 Riverside 100 feet uphill beyond Canyon Reservoir at end of Blaine street 426 Comment
  CAS-BOT-BC41673  Draba cuneifolia var. integrifolia Peter H. Raven 1958-1-24 11448 Riverside Fargo Canyon. Comment
  POM8518  Draba cuneifolia var. integrifolia Mary F. Spencer 1920-3-24 1477 Riverside Indian Wells 122 Comment
  CAS-BOT-BC159630  Drymocallis glandulosa var. glandulosa Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning Comment
  RSA0018442  Drymocallis lactea var. lactea J. D. Olmsted 1959-7-1 714 Riverside Wellman's Cienega between saddle and San Jacinto Peak along trail near stream crossing; 4.5 mi. NE of Idyllwild. San Jacinto Mountains, Willow-Tahquitz drainage area. 2805 Comment
  RSA33796  Dryopteris arguta Norman C. Cooper 1944-5-21 1248 Riverside San Jacinto Mountains, West side 915 Comment
  UCR251865  Dryopteris arguta M. A. Voeltz 2014-5-25 s.n. Riverside Peninsular Range; Santa Ana Mtns., Tin Mine Canyon near Corona, Cleveland National Forest, Trabuco Ranger District 403 Comment
  POM20020  Dudleya lanceolata Mary F. Spencer 1923-8-7 2200 Riverside Fern Valley 1677 Comment
  SD181579  Dudleya lanceolata Valerie Soza, LeRoy Gross 1999-6-10 508 Riverside Santa Ana Mountains, upper side of Indian Truck Trail, 2.5 miles from junction with Main Divide Motorway. Open north-facing slope above dirt road. 975 Comment
  UCR164937  Dudleya lanceolata T. B. Salvato, John F. Green 2004-5-27 624 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
  CAS-BOT-BC173206  Dudleya multicaulis Mitch Provance 2003-4-26 9880 Riverside Santa Ana River Valley: Northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just S of Crestlawn Memorial Cemetery 427 Comment
  SEINET3101914  Dudleya saxosa subsp. aloides Marc A. Baker, with Michelle Cloud-Hughes 2011-6-10 17358 Riverside along Morris Ranch Road, 400m north of Kenworthy Station, 4km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain Comment
  UC1979820  Dudleya saxosa subsp. aloides Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-5-16 1252 Riverside Transverse Ranges; San Bernardino Mountains region: Haugen Lehmann off I-10, Pacific Crest Trail (PCT) in canyon directly W. of Whitewater. Comment
  UC489261  Dudleya saxosa subsp. aloides C. V. Meyer 1928-7-24 521 Riverside Idyllwild Falls San Jacinto Mtns Comment
  RSA695581  Dyssodia porophylloides Keith E. Hoffmaster 1937-6-6 806 Riverside Desert grade of Palms to Pines Highway. Comment
  SDSU18667  Echinocereus triglochidiatus Michael G. Simpson, Kristen Hasenstab 2008-4-2 2953 Riverside Joshua Tree National Park. Mouth of canyon at southwest end of Hidden Valley. 1272 Comment
  UCR115129  Echinochloa colona Mitch Provance 2000-10-28 2278 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  UCR23770  Eclipta prostrata John C. Roos 1948-10-23 3524 Riverside Riverside, Evans Lake, Fairmont Park 274 Comment
  OBI37469  Elatine californica Robert F. Thorne, M. Z. Thorne and W. Wisura 1978-5-21 51987 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  UCR94488  Eleocharis acicularis var. acicularis Steve Boyd 1981-5-15 s.n. Riverside Peninsular Range, Gavilan Hills, confluence of the major drainage off the west slope of Estelle Mountain with Temescal Wash 320 Comment
  JOTR32524  Eleocharis macrostachya La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2608 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  RSA234094  Eleocharis montevidensis Robert F. Thorne, E. W. Lathrop 1969-6-6 39345 Riverside Santa Rosa Plateau: Rancho California 610 Comment
  SEINET7586407 Image available Eleocharis montevidensis Unknown 1969-6-6 39345 Riverside Santa Rosa Plateau, Rancho California. 610 Comment
  UC62218 Image available Eleocharis parishii H. M. Hall Jun 1901 2013 Riverside e base San Jacinto Mountains (along the borders of the Colorado Desert); , Colorado Desert; along the border of the Colorado Desert, San Jacinto Mts. Comment
  UCR125276  Eleusine indica A. C. Sanders 2002-11-21 25637 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy' at the confluence of Bixby and Anderson Canyons 366 Comment
  RSA69833  Elymus X gouldii J. C. Roos, L. Roos 1951-10-24 5344 Riverside Fairmount Park. 259 Comment
  UCR116677  Elymus condensatus A. C. Sanders, Chet McGaugh 2001-7-26 24470 Riverside Perris-Aguanga Basin region, Mockingbird Creek, beside Harley John Rd. just above Mockingbird Canyon Rd., Woodcrest area, Riverside 427 Comment
  UCR117076  Elymus condensatus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24226 Riverside Perris-Aguanga Basin region, Hemet, SE of intersection of State Street and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi. SSW of Hemet Butte 513 Comment
  UCR93254  Elymus condensatus D. L. Banks, Steve Boyd 1995-10-17 786 Riverside NW Palomar Mtns, Cleveland National Forest, Agua Tibia Mtns, Agua Tibia Wilderness Area. Along lower Arroyo Seco, south of the Dripping Springs Campground. Along the broad alluvial benches north of where Arroyo Seco turns to the east 512 Comment
  RSA396460  Elymus elymoides Walter Wisura 1987-5-21 4163 Riverside 10.9 miles from Highway 74 going S along forestry road 5S15; S of summit of Thomas Mountain. Comment
  JOTR30223  Elymus elymoides subsp. elymoides Leary, C. and Leary, Pat 1979-5-5 2980 Riverside Joshua Tree National Park. Near lower Covington Flat, Joshua Tree N.M., T2S R7E sec 6 Comment
  CLARK-A1528-56  Elymus glaucus C. M. Flanagan 1973-5-22 OO 904 Riverside Rubidoux Comment
  RSA680528  Elymus glaucus Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8645 Riverside Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  UCR174541  Elymus glaucus Jennifer H. Jones 2006-6-6 392 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
  UC1137080  Elymus trachycaulus August L. Hormay 1932-8-8 Riverside Tamarack Valley Comment
  UCR103785  Elymus triticoides Scott D. White 1994-10-21 2508 Riverside Temecula Valley, Murrieta Creek channel downstream from Santa Gertrudis Creek confluence. south of bridge at Winchester; north of Long Valley Rd. 305 Comment
  UCR2365  Elymus triticoides H. J. Webber 1918-6-9 37 Riverside Santa Ana River Valley, shady roadside north of Riverside [probably on North Main St. near Spring Brook] 250 Comment
  UCR91549  Elymus triticoides A. C. Sanders 1995-11-26 17916 Riverside Tule Creek Valley, NE of Tule Peak, between Aguanga and Anza, south of Hwy 371 1311 Comment
  RSA554406  Emmenanthe penduliflora Theo Glenn 1991-4-9 91 -3 Riverside Big wash in Eagle Mountains 787 Comment
  RSA613867  Emmenanthe penduliflora B. Pitzer 1997-4-11 3116 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
  CAS-BOT-BC131162  Encelia actoni Lewis S. Rose 1935-12-23 35698 Riverside Above Deep Canyon, San Jacinto Mts. 914 Comment
  CAS-BOT-BC131164  Encelia actoni C. B. Wolf 1931-10-14 2458 Riverside Roadside at [Cabozon] Cabazon, San Gorgonio Pass 518 Comment
  JOTR31162  Encelia actoni La Doux, Tasha 2009-6-3 1868 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
  UCR87933  Encelia actoni A. C. Sanders, N. Ferguson 1994-6-2 14624 Riverside San Jacinto Mtns, Bautista Canyon, c. 1 mile above the forest service boundary 850 Comment
  RSA0070273  Encelia farinosa Cheryl Sevilla, Sarah J. De Groot 2015-2-18 17 Riverside Transverse Ranges; San Bernardino Mountains region: San Gorgornio Wilderness Area; on the slope to the east of Mission Creek; 0.5 miles north-northwest of the Stone House. 805 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
  SD187348  Encelia farinosa Naomi Fraga, Lisa Rojas 2005-2-10 1374 Riverside Northeastern Colorado Desert: Just north of Palen Pass Road, ca. 10 miles east of Highway 177. 365 Comment
  UCR138831  Encelia farinosa D. L. Banks 1997-4-5 1669 Riverside Agua Tibia Mtns., NW Palomar Mtns: Pechanga Indian Reservation. south of Dorland Mountain, just west of the Wilderness Area Boundary, along a tributary of the N fork of Pechanga Creek 640 Comment
  POM122186  Encelia farinosa var. farinosa Marcus E. Jones 1926-2-15 S.N. Riverside Near Indio. Comment
  RSA278952  Encelia farinosa var. farinosa B. A. Prigge, L. Martinez 1978-3-23 2395 Riverside NW Colorado Desert, Coachella Valley, 1.7 miles W of north Palm Springs on Dillon Rd. 274 Comment
  NY70354  Ephedra aspera C. L. Hitchcock 1940-3-29 5868 Riverside Cottonwood Canyon, ca, 100 yards east of Spring. Comment
  POM299276  Ephedra californica A. M. Alexander, Louise Kellogg 1941-5-15 2183 Riverside north base of Eagle Mountains. 915 Comment
  RSA336038  Ephedra californica Robert F. Thorne, W. Wisura, A. Shmida, R. Whittaker 1978-4-23 52035 Riverside Chino Canyon Comment
  SBBG22847  Ephedra californica D. Myrick 1965-3-4 1077 Riverside Palms to Pines Hwy (St Hwy 74) 914 Comment
  UC1007228  Ephedra californica Philip A. Munz 1940-3-22 15656 Riverside 2 mi n, Banning-Indio boulevard; Southern California, Whitewater Canyon Comment
  UC667372  Ephedra californica Annie M. Alexander and Louise Kellogg 1941-5-15 2183 Riverside n base Eagle Mountains Colorado Desert, Eagle Mountains (in rock outcrop) 914 Comment
  SEINET10532227  Ephedra californica David B. Dunn 1946-2-22 Dunn 1953 -B Riverside Collected on N side of Whitewater Canyon in Colorado Desert. Comment
  SEINET10613639 Image available Ephedra clokeyi Ira W. Clokey 1935-4-17 Clokey 6513 Riverside Cottonwood Springs. Among rocks, hillside and wash. Desert. Comment
  CAS-BOT-BC81821  Ephedra nevadensis C. L. Hitchcock 1940-3-29 5868 Riverside Cottonwood Canyon ca. 100 yards east of Spring Comment
  NY70344  Ephedra nevadensis I. W. Clokey 1935-4-17 6509 Riverside Cottonwood Springs, Colorado Desert Comment
  JEPS20725  Ephedra trifurca Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13265 Riverside 2.1 mi s of Rice (on road to Midland and Blythe) Comment
  CAS-BOT-BC171728  Epilobium canum subsp. latifolium Carl B. Wolf 1940-10-31 11184 Riverside Colorado Desert, Cottonwood Springs, Eagle Mts. 289 Comment
  RSA674524  Epilobium canum subsp. latifolium Scott D. White 2000-11-15 8147 Riverside Idyllwild area, Strawberry Fuelbreak between Inspiration Pt. and Strawberry Ck. 1402 Comment
  UC874241  Epilobium canum subsp. latifolium Carl B. Wolf 1932-10-13 4309 Riverside Cottonwood Springs Colorado Desert, Eagle Mts. 289 Comment
  RSA502520B  Epilobium ciliatum Steve Boyd 1989-5-7 3575 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  POM158194  Epilobium ciliatum subsp. ciliatum P. A. Munz, I. M. Johnston 1928-9-6 11277 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  UCR14844  Epilobium densiflorum A. C. Sanders, O. F. Clarke, Dan Vossler 1975-7-23 439 Riverside Santa Ana Mtns., Santa Rosa Plateau, west of Murrieta, c. 1/2 mile west of large vernal pool on Mesa de Colorado. 610 Comment
  RSA575856  Epilobium pygmaeum Steve Boyd, A. C. Sanders 1980-5-19 s.n. Riverside San Jacinto Valley, along the Ramona Expressway. near Lakeview Hotsprings. Comment
  RSA191439  Equisetum laevigatum E. W. Lathrop, Thorne 1967-9-26 6624 Riverside 6 miles NW of Murrieta. Comment
  UCR26522  Eragrostis cilianensis A. C. Sanders, S. Hagopian 1981-5-20 2155 Riverside Peninsular Range, Wolf Valley, SE of Temecula, NE of State Hwy S16 along road to sod farm 329 Comment
  CAS-BOT-BC204634  Eragrostis mexicana subsp. virescens H. S. Yates 1937-6-28 6744 Riverside Near Indio 30 Comment
  JEPS68601  Eremalche exilis S. B. and W. F. Parish March, 1881 99 Riverside borders of Colorado Desert at Agua Caliente; Colorado Desert Comment
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Oct 27 2014
  RSA605216  Eremalche exilis A. C. Sanders, G. Helmkamp, P. Mackay 1995-3-12 16022 Riverside Sonoran (Colorado) Desert Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111). -7 Comment
  CSUSB1385  Eremalche rotundifolia A. R. Gillogly 1966-3-10 Riverside 2 miles south of Palm Desert, 1/2 mile east Palm-To-Pines Highway 106 Comment
  RSA516914  Eremalche rotundifolia Steve Boyd, Orlando Mistretta 1986-3-13 1458 Riverside West side Palen Mts.: NE of Desert Center. Comment
  UC724382  Eremalche rotundifolia Aven and Ruth Nelson 1939-3-29 3317 Riverside s. of Mecca (Hidden Springs Canyon) Comment
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Jul 14 2012
  CAS-BOT-BC160055  Eremothera boothii subsp. condensata Ynez Whilton Winblad 1937-3-16 s.n. Riverside Box Canyon Comment
  UCR242662  Eriastrum densifolium A. C. Sanders 2013-7-6 40851 Riverside Peninsular Range; San Jacinto Mountains, SE of Idyllwild on South Ridge along FS Rd. 5S11, at and near sharp bend 1857 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
  RSA0105501  Eriastrum densifolium subsp. austromontanum Gary D. Wallace, D. H. Wilken 1966-7-3 641 Riverside San Jacinto Mtns up Thomas Mtn. Rd. west of Palm Desert. Comment
  RSA0105509  Eriastrum densifolium subsp. austromontanum P. A. Munz 1937-5-29 15105 Riverside Dos Palmos Spring, north end of Santa Rosa Mts. 1098 Comment
  JOTR31169  Eriastrum densifolium subsp. elongatum La Doux, Tasha 2009-6-3 1872 Riverside Joshua Tree National Park. (Stop 6): Little San Bernardino Mountains, Covington Flats Area, dry ephemeral wash near parking area 1426 Comment
  CAS-BOT-BC514467  Eriastrum eremicum subsp. eremicum Annie M. Alexander; Louise Kellogg 1941-5-23 2219 Riverside 4 mi NE of Cottonwood Spring, Eagle Mountains, Colorado Desert 1112 Comment
  CAS-BOT-BC401162  Eriastrum harwoodii Sarah J. De Groot; April Garbat 2013-4-9 7000 Riverside Along Blythe-Rice (=Midland) Road, 1.9 mile south of Rice and Highway 62, near bottom of Rice Valley, east side of Arica Mountains 232 Comment
  UC449833  Eriastrum sapphirinum I. J. Condit May 1926 Riverside Rubidoux Comment
  RSA0121255  Eriastrum sapphirinum subsp. dasyanthum Steve Boyd, T. S. Ross, D. E. Bramlet 1993-5-13 7363 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Los Alamos Canyon at mouth of Wildhorse Canyon. 412 Comment
  HSC85299  Eriastrum sapphirinum subsp. sapphirinum Steve Boyd 1986-5-7 1844 Riverside Temescal Canyon: Terrace escarpment between Horsethief wash and Indian Truck trail, S of I-15 Comment
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Dec 6 2013
  UCR244406  Ericameria cooperi Jim Andre 2012-4-16 20972 Riverside Southern Mojave Desert, Joshua Tree National Park; along Cottonwood Springs Rd [=Pinto Basin Rd.], c. 6 mi. south of north entrance at Twin Tanks parking area 1197 Comment
  CAS-BOT-BC292795  Ericameria cuneata var. cuneata Ralph Hoffmann 1929-9-6 s.n. Riverside Naer Taquitz Pk., San Jacinto Mts. 2590 Comment
  RSA0125105  Ericameria cuneata var. spathulata Duncan S. Bell 2016-10-27 10214 Riverside Whitewater Canyon area; collecting in Rainbow Canyon, 2.75 air miles northwest of the Whitewater Ranger Station (trout ponds). 1024 Comment
  RSA545233  Ericameria cuneata var. spathulata R. F. Thorne 1970-10 41883 Riverside San Bernardino Mts, Whitewater Canyon: 1350ft near bridges and Whitewater Post Office to 2000 ft up the Canyon toward fish hatchery Comment
  POM48338  Ericameria linearifolia E. C. Jaeger 1925-3-1 s.n. Riverside Snow Canyon, San Jacinto Mts. 457 Comment
  JOTR00956  Ericameria linearifolia Moran, Reid 1941-5-4 838 Riverside Joshua Tree National Park. EAST OF QUAIL SPRING 396 Comment
  RSA638866  Ericameria palmeri var. pachylepis Scott D. White 1998-10-9 7174 Riverside Corona, near Bedford Canyon: Joseph Canyon wash near a disused quarry. Site adjacent to housing tracts now under construction and proposed for same. 335 Comment
  OBI49189  Ericameria paniculata Lewis S. Rose 1938-12-20 38330 Riverside 3 mi SE of Palm Springs Station Whitewater Wash 274 Comment
  RSA249473  Ericameria parishii John F. Emmel 1972-8-20 409 Riverside Firebreak on Chalk Hill, just S of Idyllwild, San Jacinto Mts. 1616 Comment
  POM10328  Ericameria pinifolia P. A. Munz, R. D. Harwood 1907-09 s.n. Riverside Wilders' Canyon, Jurupa Hills. Comment
  JOTR36388  Ericameria teretifolia La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3341 Riverside Joshua Tree National Park. Little San Bernardino Mtns: Pushwalla Canyon, approx 300 m from fork in road, up mouth of canyon Comment
  UCR146127  Erigeron breweri var. jacinteus Michael Denslow, Firoozeh Navid- Ara, Valerie Soza 2003-7-15 1450 Riverside Peninsular Ranges; San Jacinto Mountains region, Tahquitz Peak, on saddle east of summit 2637 Comment
  UC63357  Erigeron divergens F. Gilman 1902-1 25 Riverside Palm Springs Comment
  UCR213684  Erigeron divergens Justin M. Wood 2009-5-11 684 Riverside San Jacinto Mountains, Morris Ranch Rd., roadside just E of Tripp Meadow 1646 Comment
  POM15211  Erigeron foliosus Mary F. Spencer 1922-6-21 1598 Riverside Fern Valley, Idyllwild, San Jacinto Mt 1829 Comment
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May 29 2011
  RSA674564  Erigeron foliosus Scott D. White 2000-5-31 7984 Riverside Santa Rosa Plateau: Near Squaw Mountain. Series of unpaved roads on east- and north-facing slopes. 640 Comment
  RSA708569  Erigeron foliosus Scott D. White, Jennifer H. Jones 2005-5-24 11095 Riverside Banning Pass area: Cabazon. San Gorgonio River wash and adjacent alluvial flats and benches to west. 573 Comment
  UCR179208  Erigeron foliosus Mitch Provance, Tracy Tennant 1998-6-16 MOR- 382 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon just south of Millard Guard Station 1037 Comment
  UCR39349  Eriochloa acuminata A. C. Sanders 1985-8-24 5946 Riverside Sonoran (Colorado) Desert, lower Coachella Valley near Oasis on the dirt extension of Avenue 76, 0.4 mi east of Hwy 195, along the south side of a large drain flowing toward the Salton Sea -55 Comment
  SEINET10781259  Eriodictyon J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12846 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 several kilometers on Whitewater Canyon Road to where it crosses over the river. Comment
  CLARK-A1528-1144  Eriodictyon crassifolium Charles S. Papp 1941-5-10 813 Riverside San Jacinto Mountains Comment
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Jan 30 2016
  CSUSB104  Eriodictyon crassifolium Kheng Try Seng 1966-4-13 660413 13 Riverside Santa Ana Mountains Northeast slope of Santa Ana Mountain. End of Main Street, 4 miles from downtown Corona. 457 Comment
  RSA586162  Eriodictyon crassifolium D. L. Banks, S. D. Boyd 1995-3-30 127 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, on the Woodchuck Trail. 634 Comment
  UCR172805  Eriodictyon crassifolium Abby Sirulnik 2000-4-13 07 Riverside Peninsular Ranges, Southwestern Riverside County Multispecies Reserve, c. 3 mi NE of Skinner Reservoir 610 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
  UCR234761  Eriodictyon crassifolium var. crassifolium A. C. Sanders, John F. Green 2012-6-25 40310 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon near Hostettler Rd. south of I-15, narrow canyon draining from vicinity of Palomino Creek Dr. at end of Calendula St. 376 Comment
  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
  POM209904  Eriodictyon trichocalyx var. lanatum Victor Duran 1933-7-1 3489 Riverside Near Santa Rosa, Santa Rosa Mts 1677 Comment
  CAS-BOT-BC219330  Eriodictyon trichocalyx var. trichocalyx Victor Duran 1933-7-1 3489 Riverside Near Santa Rosa, Santa Rosa Mts. 1676 Comment
  UCSB5480  Eriodictyon trichocalyx var. trichocalyx Ullman, Sydney 1956-4-14 Riverside Whitewater Canyon 16 miles south of Banning Comment
  CLARK-A1528-3617  Eriogonum apiculatum John C. Roos 1946-8-27 2925 Riverside Santa Rosa Mountains 2194 Comment
  SEINET6328739  Eriogonum apiculatum J. L. Reveal, Caroline G. Reveal 1972-8-9 2861 Riverside San Jacinto Mtns., along California Hwy 243, 4.4 mi NNW of Idyllwild, 8.9 mi N of the junction with Hwy 74, and 1 mi S of Alandale Ranger Station, Comment
  UCR18394  Eriogonum apiculatum A. C. Sanders 1978-9-3 549 Riverside San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  SD173056  Eriogonum cithariforme Melanie Howe, D. Faulkner 1993-11-21 371 Riverside Painted Canyon (Mecca Quad) Comment
  CAS-BOT-BC242760  Eriogonum davidsonii P. A. Munz; E. K. Balls 1952-8-21 17963 Riverside Hamilton Creek, s.e. part of San Jacinto Mts. 1371 Comment
  CAS-BOT-BC242797  Eriogonum davidsonii P. A. Munz; E. K. Balls 1952-8-21 17963 Riverside Hamilton Creek, s.e. part of San Jacinto Mts. 1371 Comment
  JOTR32035  Eriogonum davidsonii La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2265 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; near Squaw Tank; sandy flats among large granitic boulders and foothills (Stop 2) 1063 Comment
  UCR242669  Eriogonum davidsonii A. C. Sanders 2013-7-6 40844 Riverside Peninsular Range; San Jacinto Mountains, Idyllwild, SE side of town near south end of South Ridge, near junction of Tahquitz View Dr. and FS Rd. 5S11 1784 Comment
  UCR58876  Eriogonum deflexum J. M. Stewart 1989-10-16 611 Riverside Sonoran (Colorado) Desert, along Hwy 95, 5.6 mi. south of Vidal Comment
  JOTR34408  Eriogonum deflexum var. deflexum La Doux, Tasha, M. Harding, B. Truesdell, D. Shade 2012-9-25 3095 Riverside Joshua Tree National Park. Cottonwood Mountains; near Wood Spring Comment
  RSA517914  Eriogonum deflexum var. deflexum Steve Boyd, Thomas S. Elias, Erika Winter 1986-2-18 1332 Riverside Mecca Hills, Colorado Desert: Box Canyon, along Hwy 195. Comment
  RSA766509  Eriogonum fasciculatum var. flavoviride Donald A. Johansen, Joseph A. Ewan 1932-4-11 7087 Riverside Martinez Canyon, Santa Rosa Mts. 366 Comment
  UC410731  Eriogonum fasciculatum var. foliolosum Mrs. E. C. Van Dyke 1928-7-10 Riverside along road near Idyllwild Comment
  UC85799  Eriogonum fasciculatum var. foliolosum J. W. Toumey 1894-9-27 Riverside Banning Comment
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Mar 13 2011
  POM2235  Eriogonum fasciculatum var. polifolium I. M. Johnston 1917-6-5 1240 Riverside Hills south of Arlington 366 Comment
  RSA0117852  Eriogonum fasciculatum var. polifolium Sarah J. J. De Groot, Thomas Stoughton 2016-4-19 7801 Riverside Santa Rosa Mountains: Along Dunn Road between Haystack and Asbestos Mountains, east of Potrero Spring, near head of Dead Indian Creek. Southwest of Palm Desert and north of Highway 74 and Alpine Village. 1230 Comment
  RSA393337  Eriogonum fasciculatum var. polifolium I. W. Clokey, E. G. Anderson 1935-8-21 s.n. Riverside Keen Camp P. O. 1360 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
  RSA594510  Eriogonum fasciculatum var. polifolium D. L. Banks, Dylan Hannon 1996-5-3 997 Riverside Agua Tibia Mountains; Foothills S of Hwy. 79, E of the Dripping Spring Campground, approx. 300m E of the Dripping Springs Guard Station, just S of Hwy. 79. 500 Comment
  RSA613164  Eriogonum fasciculatum var. polifolium Donald A. Johansen, J. A. Ewan 1932-4-10 7048 Riverside Warrens Ranch at Whitewater. Comment
  RSA766104  Eriogonum fasciculatum var. polifolium Marjorie D. Clary 1932-5-22 1027 Riverside Berdoo Canyon, Little San Bernardino Mts. 1159 Comment
  UCSB1524  Eriogonum fasciculatum var. polifolium Gray, Caroline 1956-4-14 Riverside The Devil's Garden; 3 mi off Hwy 99 Comment
  UCR178008  Eriogonum gracile T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 605 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  RSA0060581  Eriogonum gracile John C. Roos 1952-8-27 5888 Riverside Pigeon Pass, Box Springs Mts. 457 Comment
  RSA736551  Eriogonum gracile var. gracile Scott D. White, Angelia Carey 2004-7-2 10582 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  UCR272193  Eriogonum gracile var. incultum Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8561 Riverside San Jacinto Mountains, Garner Valley, west side of the hwy, c. 3.75 air miles southeast of Lake Hemet 1370 Comment
  UC597631  Eriogonum inflatum var. deflatum Philip A. Munz 1937-5-29 15145 Riverside Dead Indian Creek, n base Santa Rosa Mts. Santa Rosa Mts., Dead Indian Creek 457 Comment
  RSA339230  Eriogonum nidularium Robert F. Thorne, Rolf, Gertrud Dahlgren 1979-8-23 53598 Riverside Pinto Basin Road: Along road at meeting area of Mojave and Colorado Deserts 1098 Comment
  UCR50885  Eriogonum nidularium A. C. Sanders 1988-5-11 7808 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal, east of the gasline road from Niland 549 Comment
  CAS-BOT-BC269782  Eriogonum nudum var. pauciflorum Carl B. Wolf 1932-8-5 3986 Riverside San Jacinto Mts. On trail from Tahquitz Valley to San Jacinto Peak, between 1st and 2nd wet meadow 2743 Comment
  CAS-BOT-BC269784  Eriogonum nudum var. pauciflorum Marcus E. Jones 1924-8-29 s.n. Riverside San Jacinto Mts., Idyllwild Comment
  LA206954  Eriogonum nudum var. pauciflorum H. Lewis; 1939-10-21 1014 Riverside San Jacinto Mountains, Taquites Peak 2133 Comment
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Mar 2 2014
  UCD100856  Eriogonum pusillum A. C. Sanders; K. Rose, D. Woodard 1995-3-22 16211 Riverside Coachella Valley, mouth of San Gorgonio Pass, alluvial fan just E of the mouth of Whitewater Canyon between Windy Point and I-10. 370 Comment
  SBBG1613  Eriogonum reniforme H. and M. Dearing 1937-4-10 Riverside 16 mi N of Indio Comment
  JOTR37476  Eriogonum saxatile Hodges, Stephen, T. Green 2016-5-5 597 Riverside Joshua Tree National Park. Little San Bernardino Mountains; canyons below Upper Covington Flats, southwest of Covington Crest trail (Stop 2) Comment
  HSC79212  Eriogonum thomasii A. C. Sanders 1985-3-24 5407 Riverside Coachella Valley, on floor of Box Canyon 9 mi. NE of Mecca on Hwy. 195 122 Comment
  SEINET4568270 Image available Eriogonum thomasii Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2003-2-10 4584 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  UC665773  Eriogonum thomasii Ira L. Wiggins 1941-3-24 9586 Riverside 1 mi n Imperial county line (e side of Salton Sea); Salton Sea Comment
  UC68581  Eriogonum thomasii H. M. Hall Apr. 1905 5812 Riverside 10 mi w Coachella; Colorado Desert 152 Comment
  UCR104038  Eriogonum thomasii George K. Helmkamp, E. A. Helmkamp 1998-2-5 2674 Riverside Little San Bernardino Mtns., 3.2 mi. north of junction of Thousand Palms Canyon Road and Dillon Road. 457 Comment
  RSA653433  Eriogonum thurberi Scott D. White 1999-5-24 7396 Riverside San Jacinto Valley, San Jacinto River wash: Just N of City of San Jacinto, about 1 mile SE of State St. Bridge. 448 Comment
  CAS-BOT-BC263593  Eriogonum trichopes Susan G. Stokes 1933-4-9 51 Riverside South of Palm Springs Comment
  SEINET3087565 Image available Eriogonum viridescens A. C. Sanders, B. Phillips, B. Pitzer 1988-5-22 7860 Riverside Mojave Desert, 1.5 mi. NW of Rosamond near the airport, N of Felsite St. & W of 35th St. W. Comment
  LA207113  Eriogonum wrightii var. membranaceum F. H. Lewis; 1939-11-22 1026 Riverside 1523 Comment
  RSA766278  Eriogonum wrightii var. membranaceum E. L. Peterson 1931-9-6 5633 Riverside Strawberry Valley. San Jacinto Mts. 1585 Comment
  UC496514  Eriogonum wrightii var. membranaceum Philip A. Munz 1932-10-16 12839 Riverside Palm Creek Sata Rosa Mts., Palm Creek 1463 Comment
  CAS-BOT-BC261784  Eriogonum wrightii var. nodosum Louis C. Wheeler 1933-12-1 2294 Riverside Mouth of Tahquitz Canyon, San Jacinto Mts. 152 Comment
  CLARK-A1528-1249  Erioneuron pulchellum John C. Roos 10/251946 3146 Riverside Chuckwalla Mountains 365 Comment
  POM357992  Eriophyllum confertiflorum M. V. Hood 1945-3-25 s.n. Riverside Aguanga, San Diego County. [Riverside County] 595 Comment
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Jan 22 2009
  RSA33792  Eriophyllum confertiflorum Norman C. Cooper 1944-6-4 1373 Riverside Elsinore Mountain; Lookout at top. 1066 Comment
  UCR137355  Eriophyllum confertiflorum 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
  SEINET11850689  Eriophyllum confertiflorum Unknown 1936-1 12775 Riverside E of Banning Comment
  JOTR31153  Eriophyllum confertiflorum var. confertiflorum La Doux, Tasha 2009-6-3 1862 Riverside Joshua Tree National Park. (Stop 2): Little San Bernardino Mountains, Covington Flats Area, Covington Spring 1396 Comment
  SD204817  Eriophyllum wallacei Sarah J. De Groot, J. Mark Porter 2006-3-14 5195 Riverside Along Snow Creek Road, off Highway 111, about one mile from Snow Creek Village. 366 Comment
  UCR199916  Erodium brachycarpum Scott D. White, Jamie Minor 2008-3-13 11766 Riverside San Gorgonio Pass, Banning: south of Union Pacific RR, powerline route from Sunset Ave to 1 mile west 762 Comment
  RSA776015  Erodium cicutarium Duncan S. Bell 2010-3-20 613 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  SBBG23066  Erodium cicutarium D. Myrick 1965-3-3 1073 Riverside White Tanks, Joshua Tree Nat Monument 762 Comment
  UCR180594  Erodium moschatum Scott D. White, Angelia Carey 2004-4-5 10037 Riverside San Jacinto Mountains, Foothills, north of Valle Vista. Indian Creek Watershed 671 Comment
  RSA0009847  Erodium texanum Marcus E. Jones 1906-4-30 s.n. Riverside Indio. Comment
  RSA356630  Eryngium aristulatum var. parishii R. F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. Lathrop 1975-8-29 47315 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 609 Comment
  RSA470846  Eryngium aristulatum var. parishii Christopher Davidson 1977-5-25 5653 Riverside Mesa de Burro, Santa Rosa Plateau area 701 Comment
  RSA470847  Eryngium aristulatum var. parishii Robert Gustafson, Gary D. Wallace 1983-6-23 2714 Riverside Mesa de Burro, Santa Rosa region, Santa Ana Mts. 701 Comment
  CAS-BOT-BC54330  Erysimum capitatum Mrs. E. C. Van Dyke 1928-5-28 s.n. Riverside Banning. Comment
  CAS-BOT-BC54339  Erysimum capitatum Roxana S. Ferris; Ruth P. Rossbach 1938-5-20 9659 Riverside 6 miles form Pinon Flat Public Camp on road to Hemet on State Highway #74. Comment
  RSA763060  Erysimum capitatum E. W. Lathrop 1968-5-22 6926 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  SD70878  Erythranthe floribunda Helen V. Witham 1969-7-2 170 Riverside Fairly common, De Luz Creek crossing, 4 mi. N of De Luz. 249 Comment
  CAS-BOT-BC151589  Erythranthe parishii Louis B. Ziegler 1969-6-12 s.n. Riverside Hemet Valley, San Jacinto Mts. 1432 Comment
  UCR78439  Eschscholzia caespitosa Scott D. White 1993-4-20 1200 Riverside Estelle Peak, Gavilan Hills 826 Comment
  UCR250110  Eschscholzia californica A. C. Sanders 2014-4-9 41005 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 0.2 km NW of intersection with Indian Truck Trail 354 Comment
  LA46247  Eschscholzia minutiflora F. R. Fosberg; 1932-3-13 8070 Riverside Coachella Valley, Thousand Palms Canyon Comment
  RSA703804  Eschscholzia minutiflora LeRoy Gross 2005-3-3 1605 Riverside Palen Mountains, south side. Near end of old prospect road. [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  UC1595754  Eschscholzia minutiflora W. Wisura, J. Dolan, and M. Wall 1992-3-24 4630 Riverside 10.0 mi ne Mecca (on Box Canyon Rd.); Lowdesert Comment
  CAS-BOT-BC83128  Eschscholzia minutiflora Carl B. Wolf 1932-4-29 3106 Riverside Eastern Colorado Desert. Blythe - Rice Road. 9 miles south of Browns Weel. 243 Comment
  RSA0023208  Eschscholzia papastillii Curtis Clark 1976-5-8 542 Riverside Sheephole Mtns, 21.9 miles S of Amboy on road to Twentynine Palms. 640 Comment
  UC635609  Eschscholzia parishii H. L. Mason 1928-3-10 4191 Riverside Whitewater River Comment
  RSA0022920  Eschscholzia parishii F. W. Peirson 1921-4-13 5324 Riverside Foot of Deep Canyon, Coachella Valley 274 Comment
  SEINET10839084  Eschscholzia parishii David Charlton 1988-2-18 Charlton 1152 Riverside Alluvial fan, s side of little san bernardino mtns. Fargo canyon rd. To Cottonwood wash, s of joshua tree national park, parallel to i-10. Creosote Bush scrub. 5 Miles e of jct. Dillon rd. And fargo cyn rd. Stable and disturbed Upper bajada with encelia, larrea; uncommon yellow flowered perennial 762 Comment
  UCR260606  Eucalyptus tereticornis A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-3 41560 Riverside Peninsular Range, Eastern Foot of the Santa Ana Mtns., Temescal Canyon NW of Horsethief Canyon Rd. along DePalma Rd., SE of Glen Eden Rd. and south of the east end of Lee (Corona) Lake, south side of I-15 370 Comment
  RSA672508  Eucalyptus viminalis A. C. Sanders, Chet McGaugh 1991-7-19 11143 Riverside Murrieta Hot Springs, large vernal pool on S side of Murrieta Hot Springs Road, E of Via Princesa & N of Calle del Lago. 348 Comment
  UCR239196  Eucrypta chrysanthemifolia var. chrysanthemifolia Steven R. Hill, A. C. Sanders 2001-5-4 33709 Riverside Santa Rosa Plateau, Santa Rosa Plateau, eastern rim, north side of Avenida del Oro, just east of junction with Sandia Creek Drive, 2 mi west of junction of Rancho California Road and Route I-15 509 Comment
  UCR3345  Eucrypta chrysanthemifolia var. chrysanthemifolia T. R. Plumb 1964-4-9 s.n. Riverside Box Springs Mtns, Box Springs Mt., 1 mi SE of Dog Lady's house [old house near crest of range, c. 33 deg. 58' 53'N, 117 deg. 17' 28'W, along road from Pigeon Pass; later park ranger's house] on S fork of road 762 Comment
  UCR91449  Eucrypta chrysanthemifolia var. chrysanthemifolia Scott D. White 1995-3-30 2640 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
  RSA78474  Eucrypta micrantha Verne Grant, Alva Grant 1952-3-20 17503 Riverside On road from Palm Springs to Santa Rosa Mountains a few miles south of intersection with Indio Road. 305 Comment
  CHSC21747  Euonymus occidentalis var. parishii Robert A. Schlising 1969-10-25 2944 Riverside San Jacinto Mountains, Harry James Preserve (owned by Univ. Calif. Riverside), by Fulmor Lake. 1524 Comment
  RSA303488  Euonymus occidentalis var. parishii S. L. Gaponoff 1974-6-16 42 Riverside Mr. San Jacinto, Dark Canyon, San Jacinto River. 1756 Comment
  UCR121305  Euphorbia albomarginata A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25018 Riverside The Badlands, summit of Mt. Eden, SW of Beaumont 671 Comment
  JEPS2595 Image available Euphorbia eremica W. L. Jepson 1914-5-23 6047 Riverside Conchilla Desert Colorado Desert 60 Comment
  SD63334  Euphorbia lurida Walter Bertsch 1957-6-29 953 Riverside Santa Rosa Mountains, desert slope of Toro Peak 2440 Comment
  UCR92289  Euphorbia maculata Scott D. White, Michael A. Patten 1995-8-16 3549 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
  JOTR32107  Euphorbia micromera Harding, Mitzi, Kipp Callahan 2012-8-27 282 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  UCR163055  Euphorbia micromera B. G. Pitzer, G. R. Ballmer 2000-10-14 4235 Riverside Sonoran (Colorado) Desert, large wash c. 5.3 miles east of Ford Lake Rd. and 1 mile west of Wiley's Well Rd., off gasline road c. 200 yards south of Hwy I-10 115 Comment
  UCR80791  Euphorbia palmeri Scott D. White 1993-5-29 1470 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 2134 Comment
  UCR136202  Euphorbia polycarpa A. C. Sanders 2004-6-20 28225 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
  UCR223973  Euphorbia polycarpa A. C. Sanders 2011-3-23 38800 Riverside Peninsular Range; Gavilan Hills Region, powerline corridor, SW of Perris, east of Hwy 74 between the highway and the San Jacinto River, south of Ethanac Rd. 440 Comment
  UCD142683  Euphorbia prostrata Louis C. Wheeler 1964-10-10 8634 Riverside 3030 Oak Ave., Corona. Comment
  UCR84060  Euphorbia prostrata A. C. Sanders, L. Ard 1994-7-11 15061 Riverside San Bernardino Mtns., Cherry Valley, irrigated landscaping at the Edward Dean Museum, Oak Glen Road, 1 mi north of Orchard St. 1000 Comment
  CAS-BOT-BC310651  Euthamia occidentalis Steve Boyd; Tim Ross; Dave Bramlet 1992-9-9 7674 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek, up the San Mateo Trail north to Potrero de la Cienega 670 Comment
  CDA28512  Fagonia laevis M. S. Wasbauer 1960-3-26 Riverside Shaver s Summit. 0 Comment
  RSA0026137  Fagonia laevis Deidre Conocchioli, Caitlin Elam 2013-10-2 75 Riverside SW of Bristol Mtns Wilderness Area. From Blythe, head northwest on the Mildland-Rice Rd for 9.6 miles. Turn right onto unmarked BLM Rd and follow NE for 1.6 miles to collection site. 307 Comment
  RSA735216  Fagonia laevis Steve D. Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11238 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
  SBBG29416  Fagonia laevis D. Myrick 1968-3-4 1810 Riverside Palms to Pines Hwy out of Palm Desert Comment
  SJSU4939  Fagonia laevis J. A. Schroeder 1969-4-1 8 Riverside 10 mi N of Blythe Comment
  UCD170726  Fagonia laevis A. C. Sanders; Clint Shock, Jose Aguiar 2014-3-6 40965 Riverside Sonoran (Colorado) Desert, along Box Canyon road c. 2.6 miles SW of I-10 junction, above the head of Box Canyon. 435 Comment
  JOTR31895  Fagonia pachyacantha La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 2144 Riverside Joshua Tree National Park. West Cottonwood Mountains; east edge of Pinkham Wash east of Pinkham Canyon Road; loose, cobbley, south facing slope above large drainage Comment
  POM87256  Fagonia pachyacantha Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  UCR85164  Fagonia pachyacantha A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16083 Riverside Coachella Valley/Santa Rosa Mtns., alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon 12 Comment
  UCR91877  Fatoua villosa A. C. Sanders, Steve Morgan 1995-11-30 17926 Riverside Box Springs Mtns., UCR Botanic Garden 365 Comment
  OBI2141  Ferocactus cylindraceus P. A. Holden 1969-4-11 730 Riverside Near jctn of I-60, 70 and State 62 highways Comment
  UCR244711  Ferocactus cylindraceus Jim Andre 2012-3-19 21370 Riverside Sonoran (Colorado) Desert, Palen Valley along Palen Pass Rd [Coxcomb Monument Rd.] (dirt), 7.1 mi. east of Hwy 177 321 Comment
  UCR144079  Festuca myuros Scott D. White 1993-3-3 1103 Riverside Perris Basin, Romoland/Winchester area 442 Comment
  UCR108880  Festuca octoflora Heidi A. Haid 1968-5-19 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  RSA85099  Filago californica J. C. Roos 1952-4-9 5510 Riverside Scattered along dry sunny roadside with Avena barbata, Muhlenbergia microsperma, etc., southeast face Mt. Rubidoux. 335 Comment
  UCR117676  Filago californica Scott D. White 1997-5-25 5228 Riverside San Jacinto Mtns, Bautista Canyon: Hixon Trail (USFS No. 2E43), between trailhead at Bautista Canyon Road and intermittent stream crossing at c. 3200 ft 976 Comment
  RSA356709  Filago gallica R. F. Thorne 1975-5-20 45508 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro; Santa Ana Mountains 610 Comment
  RSA559935  Filago gallica Steve Boyd 1992-4-15 6885 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along Tenaja Trail (5W07) 0.5 mile N of junction with San Mateo Creek, W of Fisherman's Camp 549 Comment
  CDA5867  Flaveria trinervia Lew Davis 1977-12-15 Riverside 1 mile north of Freeway 91, west side of McKinley Street, Corona. 0 Comment
  UC57357  Forestiera pubescens H. M. Hall Jun 1899 Riverside Gavilan Comment
  RSA0018444  Fragaria vesca N. C. Cooper 1944-6-17 1402 Riverside Above Banning. 1220 Comment
  RSA392144  Frasera parryi N. C. Cooper 1944-7-15 1583 Riverside Palms to Pines Highway, San Jacinto Mountains. 1372 Comment
  RSA342548  Fraxinus velutina var. coriacea Robert F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54097 Riverside San Bernardino Mountains: Flood plain (wash) along Whitewater River, ca. 3.0 miles N of Whitewater Post Office. 591 Comment
  UCR67352  Fritillaria biflora Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4064 Riverside Peninsular Range, Vail Lake area, summit of 'Big' Oak Mtn. at east end 793 Comment
  RSA712545  Funastrum cynanchoides var. cynanchoides T. B. Salvato, Kent Beaman 2005-5-16 791 Riverside San Jacinto River E of Valle Vista, just downstream from the Forest Service boundary and N of CA Hwy 74. 549 Comment
  CAS-BOT-BC177362  Funastrum hirtellum Steve Boyd; Tammy Morgan; Aydee Virgen; Sarah DeGroot; Valentin Arvizu; Tim Thibault 2004-5-14 11246 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... Comment
  HSC101268  Funastrum hirtellum Jim Andre 2012-3-19 21374 Riverside Palen Valley; along Palen Pass Rd. (dirt), 7.1 mi. east of Hwy. 177. 321 Comment
  HSC87133  Funastrum hirtellum Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2099 Riverside N end Palen Mtns., 2 mi. W of Palen Pass 300 Comment
  SD181719  Funastrum hirtellum Scott D. White 1999-4-20 7278 Riverside Southern foothills of the Big Maria Mountains, northwest of California Highway 95. 89 Comment
  JEPS52778  Galium andrewsii subsp. andrewsii Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4279 Riverside about 2 1/2 mi above lower end of road to Santa Rosa Peak 2072 Comment
  UCR271515  Galium angustifolium T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8357 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
  RSA44864  Galium angustifolium subsp. angustifolium J. C. Roos 1948-5-8 3819 Riverside Steep north-facing slope, Whitewater Canyon. 549 Comment
  JEPS56052  Galium angustifolium subsp. jacinticum Lauramay T. Dempster 1965-6-17 4129 Riverside road from Banning to Idyllwild; San Jacinto Mts., Fulmor Lake 1615 Comment
  CLARK-A1528-828  Galium aparine Fred B. Essig 1967-5-7 Riverside Box Springs Mountain 457 Comment
  POM367765  Galium aparine N. C. Cooper 1944-5-21 1236 Riverside San Jacinto Mountains, West side 915 Comment
  SEINET9349054  Galium aparine Unknown 1976-5-3 Riverside Red Mountain Road. Comment
  UCR147259  Galium californicum subsp. primum Naomi Fraga, Sarah De Groot, Valerie Soza 2004-6-28 1280 a Riverside Peninsular Range; San Jacinto Mtns., along Red Hill Road (5S10) near Alvin Meadows, SW of Pine Cove 1677 Comment
  UCR147595  Galium californicum subsp. primum Naomi Fraga, S. DeGroot 2004-7-7 1298 Riverside Peninsular Ranges; San Jacinto Mountains region, Along Chimeny Flats Road (5S06) near intersection with FS Road 5S24, on the way to Alvin Meadows 1418 Comment
  SD67921  Galium parishii Reid Moran 1968-8-3 15349 Riverside on rocky NE slope, ridge 1 mile NW of Toro Peak 2250 Comment
  RSA613406  Galium porrigens D. L. Banks 1997-4-5 1685 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just east of the Wilderness Area boundry with the Pechanga Indian Reservation, along a tributary of the north fork of Pechanga Creek. 670 Comment
  UCR174546  Galium porrigens Jennifer H. Jones 2006-6-6 397 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
  JEPS52943  Galium porrigens var. porrigens Lauramay T. Dempster and G. L. Stebbins 1966-6-17 4240 Riverside Poppet Flat San Jacinto Mts. (at Keyes Drive) 1097 Comment
  RSA508020  Galium porrigens var. porrigens Steve D. Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2288 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  JOTR35080  Galium stellatum La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3531 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocks; narrow drainages surrounded by loose rocky slopes Comment
  POM367815  Galium stellatum Christopher Davidson 1979-4-4 7718 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  RSA66724  Galium stellatum F. W. Peirson 1919-4-12 1191 Riverside Along the Tahquitz Creek stream near Palm Springs Comment
  SDSU18661  Galium stellatum subsp. eremicum Michael G. Simpson, Kristen Hasenstab 2008-4-2 2949 Riverside Joshua Tree National Park. Ridge adjacent to wash, just southwest of road to Cottonwood Spring, ca. 0.4 mile northwest of Cottonwood Spring. 945 Comment
  RSA0041955  Galium stellatum var. eremicum Duncan S. Bell, Marcel Beffort 2014-4-22 6600 Riverside Chuckwalla Mountains; western end of Corn Springs wash/canyon; approximately 0.75 air mile southwest of Aztec Well. 671 Comment
  UC604957  Galium stellatum var. eremicum Roxana S. Ferris and Ruth P. Rossbach 1938-5-15 9544 Riverside Cottonwood Springs Canyon Comment
  UCR199832  Galium stellatum var. eremicum Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11268 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region, Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage, within boundaries of U.S. Navy Chocolate Mountains Aerial Gunnery Range 570 Comment
  UCR18855  Garrya flavescens John C. Roos 1950-3-6 4788 Riverside Santa Ana Mtns., head of Hagador Canyon. 1037 Comment
  POM261681  Garrya flavescens var. pallida W. Pequegnat 1940-12-27 s.n. Riverside Between Trabuco and Santiago Pks., Santa Ana Mts. 1311 Comment
  UCSB4350  Gayophytum ramosissimum Kamb, Peter 1948-7-4 Riverside Hall Canyon, San Jacinto Mts 1645 Comment
  RSA105932  Geraea canescens Richard Mallory 1955-4-6 476 Riverside Borrego Desert State Park. Borrego Valley 8 miles east of Christmas Circle. 152 Comment
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Feb 19 2013
  RSA696892  Geraea canescens W. Marquart 1938-3-12 s.n. Riverside 10 mi. E. of Desert Center. Comment
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Apr 14 2013
  SBBG104633  Geraea canescens T. Glenn 1991-4-30 91 -59 Riverside McCoy Mtns NW of Blythe Comment
  SBBG60584  Geraea canescens Mrs. Ashcraft -- Riverside Palm Springs Comment
  SDSU4153  Geraea canescens K. Larson 1975-4-24 74 -671 Riverside 5 mi. N. Palm Springs along T/L near Varner Rd. Comment
  UCR163081  Gilia B. G. Pitzer 2000-5-7 4140 Riverside Sonoran (Colorado) Desert, extreme north end of Orocopia Mountains, Shavers Valley, at base of hills c. 0.5 mi. SE of Box Canyon Road. 341 Comment
  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
  RSA470131  Gilia angelensis Mark Morris 1929-3-17 s.n. Riverside Palm Canyon. Comment
  SDSU12911  Gilia angelensis Jutta Buschbom 1991-6-3 44 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  SDSU13349  Gilia angelensis Joseph R. Verfaillie, BIO 531 Taxonomy class (SDSU) 2000-4-1 26 Riverside Along a poorly defined trail east of the North side field station. Near the edge of the north side of the Gorge wall. At the Santa Margarita Ecological Research Station (SDSU). 335 Comment
  UCR108495  Gilia angelensis A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16229 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
  UCR97577  Gilia angelensis Scott D. White 1997-2-28 4723 Riverside Peninsular Range, Elsinore Basin, SE of Hwy 74, c. 1 mi east of junction with Hwy I-15 Fwy 457 Comment
  UCR241653  Gilia capitata T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 340 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Lion Canyon up to fork in stream 720 Comment
  RSA770700  Gilia capitata subsp. abrotanifolia Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4806 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR169918  Gilia latifolia Scott D. White, Jennifer H. Jones 2005-4-21 10941 Riverside Sonoran Desert, Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  RSA786239  Gilia leptomeria Doris Bowers 1973-4-15 1964 Riverside S/o Cave Spring, Providence Mts. 1220 Comment
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Aug 24 2013
  RSA0016277  Gilia ochroleuca subsp. exilis Ora M. Clark 1929-3-16 1687 Riverside South of Cabazon. Comment
  SEINET13203141 Image available Gilia ochroleuca subsp. exilis A. C. Sanders 1994-1 14576 Riverside San Bernardio Mountains: East Branch Millard Canyon, along FS Road 4S45. (T2S, R2E, N/2 sec.21.) 1200 Comment
  UCR256093  Gilia ochroleuca subsp. exilis LeRoy Gross, Evan Meyer 2013-5-21 6112 Riverside Peninsular Range; San Jacinto Mtns., 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 1631 Comment
  UCR44192  Gilia ochroleuca subsp. exilis A. C. Sanders, B. Pitzer 1986-4-30 6475 Riverside San Jacinto Mtns., lower Bee Canyon, 0.2 mi. above the mouth of the canyon. 610 Comment
  RSA776239  Gilia scopulorum Duncan S. Bell 2010-3-20 600 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  UCR133170  Gilia splendens 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
  RSA67265  Gilia stellata Verne Grant, Alva Grant 1952-3-20 17505 Riverside On road from Palm Springs to Santa Rosa Mountains a few miles south of intersection with Indio Road 305 Comment
  UCR244401  Gilia stellata Jim Andre 2012-4-16 20983 Riverside Southern Mojave Desert, Joshua Tree National Park; along Cottonwood Springs Rd [=Pinto Basin Rd.], c. 6 mi. south of north entrance at Twin Tanks parking area 1197 Comment
  RSA585812  Githopsis diffusa subsp. candida D. L. Banks, S. D. Boyd 1995-5-9 0346 Riverside NW Palomar Mountains; Agua Tibia Mountains; N of the Cleveland National Forest and the Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., the Dorland Mtn. area, W of the Dripping Springs Alcove Area, W of Woodchuck Campground. 732 Comment
  CAS-BOT-BC435005  Glinus lotoides Steve Boyd 1981-9-2 s.n. Riverside Gavilan Hills region, north base of the range, south of Lake Mathews in muddy pool in drainage on south side of Cajalco Road, 1 mile west of Archer Road. Comment
  UCR166169  Gnaphalium canescens 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
  UCR113903  Gnaphalium luteoalbum Mitch Provance 1998-4-13 437 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
  CAS-BOT-BC307403  Gnaphalium palustre John Thomas Howell 1930-5-10 4774 Riverside March Field Comment
  UC1980272  Gnaphalium palustre R. F. Thorne with E. W. Lathrop, S. Bickstrom-Sternberg, B. Martin May 1982 55211 Riverside Peninsular Ranges; Santa Ana Mountains region; SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road. Comment
  RSA501019  Guillenia lasiophylla Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3138 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  CAS-BOT-BC304640  Gutierrezia californica J. C. Roos 1965-9-26 s.n. Riverside Near Palm Springs station Comment
  RSA318854  Gutierrezia californica M. A. Lane 1982-10-13 3028 Riverside 45.2km (28.1 miles) E of Kern Camp Summit of the San Jacinto Mtns on California State Hwy 74. Comment
  RSA90697  Gutierrezia californica F. W. Peirson 1920-12-28 5298 Riverside Murray Canyon near Palm Springs Comment
  SD137879  Gutierrezia sarothrae Darin L. Banks, Steve Boyd 1995-10-26 827 Riverside Northwest Palomar Mountains; Cleveland National Forest, west of the Wo odchuck Trail lat the first grassland area along trail. 740 Comment
  UCR120564  Gutierrezia sarothrae Helen Kennedy, T. B. Salvato 2002-2-2 5449 Riverside Western Colorado Desert/ San Jacinto Mtns, Coachella Valley, Agua Caliente Indian Reservation, mouth of Andreas Canyon at Palm Canyon, S edge of Palm Springs between Andreas Cyn. Rd. and water tank on W edge of sec. 2 244 Comment
  UCR183164  Gutierrezia sarothrae Mitch Provance 2003-5-5 4411 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  SEINET6428806 Image available Haplopappus linearifolius Norman C. Cooper 1944-5-20 1230 Riverside Pine Flats, Palms to Pines Hwy. 1219 Comment
  UCR19506  Haplopappus squarrosus John C. Roos 1965-10-7 s.n. Riverside hills 4 mi south of Beaumont. (Badlands) Comment
  UCR217521  Harpagonella palmeri Rose Cook, Ana Hernandez 2010-4-15 03 Riverside Perris-Aguanga Basin, South of west end of Lake Matthews. 268m south of Cajalco Road, 460 m southeast of Cajalco Road/ La Sierra Avenue intersection 426 Comment
  UCR67356  Harpagonella palmeri Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-2 4008 Riverside Peninsular Range, Vail Lake area, lower slopes of Agua Tibia Mtn. along Hwy 79, east of USFWS Dripping Springs Guard Station 610 Comment
  RSA0066613  Harpagonella palmeri F. W. Peirson 1922-5-19 3029 Riverside 2.5 miles NE of Murrieta on the road to Perris. Comment
  UC32213  Helenium bigelovii H. M. Hall 1901-7-17 2461 Riverside Tauquitz Valley San Jacinto Mountains 2560 Comment
  CAS-BOT-BC211540  Helianthemum scoparium John Thomas Howell 1931-5-30 6599 Riverside Santiago Peak Trail, Santa Ana Mts. Comment
  UCR281489  Helianthemum scoparium Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-5-31 517- 113 Riverside Temescal Valley, 0.25 miles SW of the intersection of De Palma Rd. and Horsethief Canyon Rd. 396 Comment
  UCR94950  Helianthus annuus Scott D. White 1996-9-22 4541 Riverside Perris Basin, Perris: Nuevo Road near intersection with Wilson Ave., west of the San Jacinto River crossing. 436 Comment
  CLARK-A1656-881  Helianthus annuus subsp. lenticularis Jim Cornett 1977-7-10 Riverside Thermal 0 Comment
  SDSU12916  Helianthus gracilentus Jutta Buschbom 1991-6-20 18 Riverside SE-Slope, N-border of the Reserve, beyond an Avocado-grove, ca. 500m (15 min) NW from the field station. Santa Margarita Ecological Reserve, Temecula. 375 Comment
  UC1393131  Helianthus gracilentus John L. Strother 1970-7-7 994 Riverside just s Alberhill Comment
  UCSB37798  Helianthus niveus Roos, John 1962-4-3 Riverside Palm Springs Airport 121 Comment
  RSA764878  Heliotropium curassavicum Justin M. Wood 2010-9-8 2597 Riverside San Timoteo Canyon: Just SE of El Casco Substation along San Timoteo Creek. 640 Comment
  UCR241845  Heliotropium curassavicum A. C. Sanders 2013-4-17 40805 Riverside Peninsular Range; Eastern Foot of Gavilan Hills, Hwy 74 between Lake Elsinore and Meadowbrook, 0.1 km NE of Wasson Canyon Rd. intersection 499 Comment
  UCR111740  Hemizonia fasciculata S. J. Myers 1996-5-30 s.n. Riverside Corona: River Road bridge over the Santa Ana River 159 Comment
  UCR93834  Hemizonia fasciculata 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
  RSA92594  Hemizonia fasciculata J. C. Roos 1952-5-14 5669 Riverside San Jacinto river bottomlands 1 miles southeast of Perris. 426 Comment
  RSA773102  Hemizonia kelloggii Duncan S. Bell, J. D. England 2010-6-7 1273 Riverside San Bernardino National Forest: Rouse Ridge, approximately 1.4 air miles southeast of junction of Highway 74 and forest service road 5S15. 775 Comment
  UCR165204  Hemizonia mohavensis Margaret Bornyasz 2003-8-7 s.n. Riverside Peninsular Ranges, San Jacinto Mtns., near McCall Memorial Park, N of Calif. highway 74 about 0.65 mi WNW of junction with Banning/Idyllwild Road 243 1366 Comment
  RSA360322  Hemizonia paniculata M. M. Thompson 1947-8-23 C 20250 Riverside Los Alamos canyon, Elsinore Mountains. 762 Comment
  RSA689385  Hemizonia paniculata Scott D. White 2003-6-9 9522 Riverside Perris Basin: Northeast corner of Devonshire Ave. and Warren Rd., immediately south of Tres Cerritos. 473 Comment
  UCR121167  Hemizonia paniculata D. E. Bramlet 1989-6-13 1922 Riverside Domenigoni Valley, 3,000 ft. east of the MWD canal and 500 ft. south of Newport Road. 458 Comment
  UCR182425  Hemizonia paniculata Mitch Provance, A. Montalvo 2005-5-12 6701 Riverside Granitie Knolls and Mesas of Riverside, Riverside (Prenda area), land bordering the E side of Washington and the north side of Hermosa St. 335 Comment
  UCR96274  Hemizonia pungens Kathleen Stockwell 1996-6-5 s.n. Riverside Warm Springs Creek, near Murrieta. Near I-15; erosion gullies on E side of creek 328 Comment
  RSA520921  Hemizonia pungens subsp. laevis D. E. Bramlet 1990-7-20 2053 Riverside The northern shoulder of the Ramona Expressway 440 m W of Lakeview and some 587 m. E of the San Jacinto River. 477 Comment
  RSA532586  Hemizonia pungens subsp. laevis D. E. Bramlet 1989-8-7 1938 Riverside Southwest corner of Lake Elsinore, 700m NW of Rome Hill, just off private drive (Lucerne St.?) some 400 m east of Grand. 428 Comment
  CLARK-A1528-2176  Hemizonia tenella John C. Roos 1952-7-19 5816 Riverside Santa Ana Mountains 761 Comment
  UCR217806  Hesperocallis undulata Jim Andre, T. La Doux 2010-2-28 12546 Riverside Lower Colorado River Valley, along Hwy 95 c. 20 miles south of Vidal Junction, at SE corner of Riverside Mountains 145 Comment
  RSA85451  Hesperocnide tenella J. C. Roos 1952-4-13 5537 Riverside North side of Box Canyon 396 Comment
  UCR48389  Hesperolinon micranthum Steve Boyd 1986-4-22 1773 Riverside Peninsular Range, Temescal Canyon, E side of Indian Wash, south of I-15 Comment
  SEINET5641181  Hesperoyucca whipplei var. whipplei Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28528 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert, off of Pine View Drive. 1297 Comment
  RSA720461  Heterocodon rariflorum Naomi Fraga, Steve Boyd, Sarah Siedschlag 2006-5-22 1680 Riverside On road the leads to Duchess Canyon, east of Fobes Ranch. 1677 Comment
  SDSU13695  Heteromeles arbutifolia James C. Dice 1987-11-23 754 Riverside Temecula Gorge, north bank of Santa Margarita River, just east of aqueduct crossing. T8S, R3W, southeast 1/4 of northeast 1/4 of section 27. 244 Comment
  JEPS20378  Heterotheca grandiflora Marjorie D. Clary 1932-10-21 1571 Riverside 6 mi w Indio (Point Happy, upper end of Coachella Valley); Coachella Valley, Point Happy Comment
  SDSU4589  Heterotheca grandiflora James C. Dice, J. Dewald 1987-9-28 729 Riverside North side of Temecula Gorge, near entrance to field station site, ca. 4.5 km ENE of Gavilan Mountain. T3S, R3S, northeast 1/4 of northeast 1/4 of section 27. 329 Comment
  SEINET11261242  Heterotheca grandiflora N. Duane Atwood 1993-3-28 17717 Riverside Bolsa Chica Ecological Reserve, California Dept. of Fish and Game.; 0 Comment
  UCD133090  Heterotheca sessiliflora subsp. echioides Scott D. White; Angelina Carey 2004-9-16 10755 Riverside San Jacinto Mountain: along Poppet Creek NE of San Jacinto River. 561 Comment
  RSA783109  Heuchera rubescens J. D. Olmsted 1959-7-7 752 Riverside Strawberry Creek drainage area. Near top of Tahquitz Peak below Ranger lookout. 1.5 mi SW of Idyllwild. 2683 Comment
  CAS-BOT-BC203351  Hibiscus denudatus Ira L. Wiggins 1941-3-27 9691 Riverside 8.2 miles west of Shaver's Summit Comment
  RSA792932  Hibiscus denudatus Aaron C. Sedgwick, Joella Simons Adkins 2012-10-24 145 Riverside Graham Pass Rd. in the Chuckwalla Mtns. ~1 mi. north of Graham Pass. 421 Comment
  UC68535  Hibiscus denudatus H. M. Hall Apr., 1905 5902 Riverside Chuckawalla Springs Colorado Desert, Chuckawalla Springs Comment
  SEINET11993718  Hibiscus denudatus W. Knight, Knight, I. 1983-1 5404 Riverside Eagle Mts 244 Comment
  SEINET188385 Image available Hilaria rigida C. L. Hitchcock 1940-4-3 5934 Riverside Joshua Tree NM ; 1 1/2 mi NE of Cottonwood Spring along 29 Palms Rd Joshua Tree Nat Monument Comment
  UCR75541  Hilaria rigida A. C. Sanders, Harry Spilman, and C. N. P. S. field trip 1993-4-24 13787 Riverside San Bernardino Mountains, SE end of San Bernardino Mountains, S end of Whitewater Bench, E side of the mouth of Whitewater Canyon. 450 Comment
  JEPS15378  Hoffmannseggia glauca Joseph and Hilda Grinnell 1937-11-30 1087 a Riverside 24 mi w of Blythe; Ford Dry Lake 106 Comment
  UCR33610  Hoffmannseggia glauca Sears 1977-10-12 S- 583 Riverside Sonoran (Colorado) Desert, 20 mi. east of Desert Center, 10 mi. east of Corn Springs exit 134 Comment
  CAS-BOT-BC206376  Hoffmannseggia microphylla Alice Eastwood 1913-4-30 3072 Riverside Palm Springs Comment
  JEPS121511  Hoffmannseggia microphylla Adam C. Schneider with Will Freyman 2014-2-16 356 Riverside Bottom of Box Canyon Road Comment
  SEINET10687049  Hoffmannseggia microphylla David B. Dunn 1946-2-23 Dunn 1983 Riverside Hidden Springs Canyon in the vicintiy of the Palms. Comment
  UCR49372  Holocarpha virgata subsp. elongata S. J. Myers 1987-9-15 s.n. Riverside Santa Ana Mtns., Santa Rosa Plateau, intersection of Corona Calle Camino and El Cerezo Rd, immediately south of Redonda Mesa Comment
  RSA563861  Hordeum intercedens A. C. Sanders 1993-5-12 14016 Riverside Hemet, W side of Warren road, 1/2 mile S of Florida Ave. (Hwy 74), between the New San Diego Aqueduct and Warren, directly opposite of the W end of Whittier Road. 457 Comment
  SEINET271517 Image available Hordeum intercedens A. C. Sanders, K. D. Jones; D. Malueg 1996-4-20 18046 Riverside San Jacinto River between Nuevo and Lakeview from 11th to 13th Streets alkaline flats along the east side of the river 433 Comment
  RSA740614  Hordeum marinum subsp. gussoneanum Scott D. White, Justin M. Wood 2008-6-19 12256 Riverside Meadows at Baldy Mtn. 1585 Comment
  RSA198984  Hordeum marinum subsp. gussoneanum R. F. Thorne, P. A. Munz, E. Lathrop 1968-5-8 37581 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California 671 Comment
  UCR84843  Hordeum murinum A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16136 Riverside Sonoran (Colorado) Desert, mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point and Hwy I-10, Coachella Valley 396 Comment
  RSA771036  Hordeum murinum subsp. glaucum Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4452 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
  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
  SDSU13568  Hordeum vulgare var. trifurcatum W. Miller 1972-7-12 Riverside x Comment
  RSA6010  Horkelia clevelandii Carl B. Wolf 1932-8-4 3927 Riverside Strawberry Valley, 1.5 miles froStrawberry Valley.m Idyllwild on road to Banning 1707 Comment
  UC64512  Horkelia clevelandii H. M. Hall 1901-6-1 2291 Riverside Meadows in the vicinity of Strawberry Valley; San Jacinto Mountains 1615 Comment
  UCR82766  Horkelia clevelandii A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15782 Riverside San Jacinto Mtns, Azalea Creek above Twin Pines, Twin Pines Creek drainage 1192 Comment
  CLARK-A1528-4948  Hulsea heterochroma John C. Roos 1942-6-20 1274 Riverside San Jacinto Mountains Comment
  SD8848  Hulsea vestita subsp. callicarpha Bros. Parish Jun 1880 Riverside San Jacinto Comment
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Nov 29 2010
  UCR123760  Hymenoclea salsola var. pentalepis Steven R. Hill 2001-4-29 33548 Riverside Western Colorado Desert/ San Bernardino Mtns., E side of Whitewater Canyon along Whitewater River, east of Whitewater Canyon Road, about 2 mi north of Route I-10 549 Comment
  RSA556454  Hypochaeris glabra Julie Greene 1993-4-30 1274 Riverside S of visitor center road and N of the old San Jacinto River drainage. 433 Comment
  CAS-BOT-BC219745  Hyptis emoryi Mrs. W. J. Anderson 1925-3-27 s.n. Riverside Indio Comment
  RSA305949  Hyptis emoryi Fay A. MacFadden 1940-3-17 15284 Riverside Road from 29 Palms to Indio, 2/3 of way to Indio. San Bernardino Mtns Comment
  RSA550013  Hyptis emoryi Walter Wisura, John Dolan, C. Demme 1992-4-13 4684 Riverside Low Desert: Corn Spring. N-base of Chuckwalla Mtns. Comment
  UCR74381  Hyptis emoryi Theo Glenn 1991-5-2 91- 21 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  SEINET13948478 Image available Hyptis emoryi Carl B. Wolf 1932-1 2984 Riverside Colorado Desert. 8 mi E of Mecca on Blythe Road. Ca 300 ft alt 91 Comment
  POM319719  Isocoma menziesii Patricia Wilder 1971-2-4 4915 Riverside Santa Ana River in Prado Park; east of Archibald Ave. 244 Comment
  RSA444685  Isocoma menziesii var. vernonioides J. C. Roos 1965-9-21 s.n Riverside On the W side of March Air Force Base along 395 Hwy. Comment
  UCR97240  Isocoma menziesii var. vernonioides Scott D. White 1997-2-9 4682 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
  UCSB45953  Isocoma menziesii var. vernonioides Roos, John 1965-9-21 Riverside On the west side of March Air Force Base along 395 Highway Comment
  RSA639130  Isoetes howellii R. F. Thorne, Earl Lathrope, Oscar Clarke, S. Carlquist 1968-4-18 37460 A Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California.. 609 Comment
  UC447187  Isomeris arborea J. Ewan 1931-4-2 9101 Riverside 10 mi n Edom Comment
  SEINET8518930  Johnstonella angustifolia K. L. Chambers, H. L. Chambers 2004-4-6 6387 Riverside Plain just S of S border of Joshua Tree National Park, Cottonwood Springs Road, 0.25 mile N of Hwy [Interstate] 10, 22 miles E of Indio. Comment
  RSA781326  Juglans hindsii A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37150 Riverside Peninsular Range: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  UC146453  Juncus acutus subsp. leopoldii H. M. Hall May 1905 5978 Riverside Chuckawalla Springs Colorado Desert Comment
  UC667381  Juncus acutus subsp. leopoldii Annie M. Alexander and Louise Kellogg 1941-5-26 2241 Riverside Monsen Canyon Colorado Desert, Eagle Mountains 914 Comment
  UC1543042  Juncus bufonius Donald G. Nelson 1936-5-21 375 Riverside just e Jurkey Creek Camp area (e of Lake Hemet, and n of Mt. Thomas); San Jacinto Mountains Comment
  UCSB26799  Juncus bufonius var. bufonius Wilken, Dieter 1969-6-30 Riverside California State Highway 74; 0.5 miles west of Keen Camp Summit; San Jacinto Mtns Comment
  RSA612958  Juncus bufonius var. occidentalis Darin L. Banks 1997-3-29 1627 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north the Riverside / San Diego County line border., West of the intersection of Magee Truck Trail and Moreno Road including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation. 390 Comment
  POM184651  Juncus effusus subsp. austrocalifornicus L. C. Wheeler 1931-10-3 189 Riverside Strawberry Valley, San Jacinto Mountains. 1585 Comment
  UC1930125  Juncus effusus subsp. pacificus Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8641 Riverside SAN JACINTO MTS: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. Comment
  RSA192134  Juncus mexicanus E. W. Lathrop 1960-6-9 4960 Riverside 14 miles west of Murrieta. Comment
  RSA192146  Juncus mexicanus E. W. Lathrop 1959-4-26 4502 Riverside 14 miles W of Murrieta - Tenaja Plateau. Comment
  UC842923  Juncus mexicanus P. A. Munz 1922-6-23 5775 Riverside Hemet Valley San Jacinto Mts. 1371 Comment
  UCR193860  Juncus patens A. C. Sanders 2008-7-25 35884 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  SEINET1906761  Juncus textilis Scott D. White, R. Jonson 1995-1 3794 Riverside San Bernardino Mtns: Sycamore Canyon, ca 1.3 air mi W-NW of ''Inspiration Point'' on Hwy 18; ca. 1.1 air mi S of Marshall Peak. 610 Comment
  RSA696125  Juncus torreyi A. C. Sanders, Mark A. Elvin, Jane Rodgers 2001-8-17 24598 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 1341 Comment
  UC165054  Juncus torreyi S. B. Parish 1912-6-28 8120 Riverside Mecca Colorado Desert, Salton Basin Comment
  UC667288  Juncus xiphioides Annie M. Alexander and Louise Kellogg 1941-5-26 2242 Riverside Monsen Canyon Colorado Desert, Eagle Mountains 914 Comment
  LA202793  Justicia californica J. A. Ewan; 1931-4-4 4145 Riverside 5 mi. E of Desert Center Comment
  SBBG68769  Justicia californica R. C. and J. R. Robbins 1933-2-15 Riverside Tahquitz Cyn, 11 mi S of Palm Springs Comment
  CAS-BOT-BC235496  Keckiella antirrhinoides B. Pitzer 1997-3-23 2956 Riverside Lakeview Mtns, ca. 1 air mi. SSW of Mt. Rudolph, along powerline rd .3 mi. E of Contour (Juniper Flats) Rd. 610 Comment
  RSA278537  Keckiella antirrhinoides T. C. Emmel 1965-3-21 27 Riverside White Water Canyon. 0.6 mi. below Trout Farm) Comment
  UCR172787  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 south of Corona 396 Comment
  UCR117677  Keckiella antirrhinoides subsp. antirrhinoides Scott D. White 1997-5-25 5237 Riverside San Jacinto Mtns, Bautista Canyon: Hixon Trail (USFS No. 2E43), between trailhead at Bautista Canyon Road and intermittent stream crossing at c. 3200 ft 976 Comment
  POM17864  Keckiella cordifolia Philip A. Munz 1923-6-14 7100 Riverside Glen Ivy Trail to Santiago Peak, Santa Ana Mountains. 915 Comment
  UC1563110  Keckiella cordifolia Steve Boyd, Tim Ross, Laurel Arnseth 1989-6-10 3686 Riverside Arroyo Seco; Vail Lake Area 487 Comment
  UCR95457  Keckiella cordifolia D. L. Banks, E. H. Banks, J. B. Hedge 1996-6-6 1119 Riverside NW Palomar Mtns, Agua Tibia Mtns: NW foothills of Dorland Mtn; S end of Los Caballos Road, UC Emerson Reserve, SW side of the Water Storage tank. 100 m north of the road jct between main preserve road and the road to the Emersn Cottage 457 Comment
  RSA6016  Keckiella rothrockii subsp. jacintensis Carl B. Wolf 1932-8-5 3933 Riverside Summit of Devil's Slide Trail from Idyllwild to Tahquitz Valley. 2439 Comment
  UC682216  Keckiella rothrockii var. jacintensis H. M. Hall 1897-7-21 704 Riverside San Jacinto Mt. 2743 Comment
  UCR30791  Keckiella ternata A. C. Sanders, W. Rehlaender, N. M. Fellows 1983-6-28 3867 Riverside San Jacinto Mtns., Mt. Edna Road, 0.2 mi west of Hwy 243, about 5 mi above Banning. 1067 Comment
  CAS-BOT-BC273671  Koeleria pyramidata H. M. Hall 1901-6-1 s.n. Riverside San Jacinto Mountains. Kenworthy Comment
  CAS-BOT-BC43713  Krameria erecta Lewis S. Rose 1937-4-10 37174 Riverside Indio - Blythe Road, 26 mi. E. of Indio 457 Comment
  UCR135717  Krameria erecta Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9002 Riverside Santa Rosa Mountains, along Hwy 74 on the Santa Rosa Mountain Grade, c. 0.5-0.8 mi NE of Black Hill 854 Comment
  UCR19180  Krameria erecta John C. Roos 1948-5-15 3857 Riverside Sonoran (Colorado) Desert, S foot of the Eagle Mtns, mouth of Lost Palms Wash Comment
  CLARK-A1528-5489  Krameria grayi John C. Roos 1948-4-24 3804 Riverside Whitewater Comment
  RSA0040096  Krameria grayi Duncan S. Bell, Deidre Conocchioli 2014-3-18 6256 Riverside Orocopia Mountains; southern/central section of range; approximately 1.25 air miles northwest of Gucci Spring. 511 Comment
  RSA517842  Krameria grayi Steve Boyd, Orlando Mistretta 1986-3-13 1477 Riverside West Side Palen Mts: NE of Desert Center; first large canyon at NW tip of western segment of range. Comment
  RSA788988  Krameria grayi Aaron C. Sedgwick, David Fraker 2012-3-28 16 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  CLARK-A1528-1358  Krameria parvifolia var. imparata John C. Roos 1946-9-14 3006 Riverside San Jacinto Mountains 1066 Comment
  CAS-BOT-BC205630  Larrea tridentata James R. Shevock 1986-3-23 11357 Riverside Colorado Desert Region. Adjacent to Interstate 10 along Eagle Mountain Road, 3 miles west of Desert Center 350 Comment
  CLARK-A1528-4437  Larrea tridentata John C. Roos 1946-11-30 3161 Riverside Chuckwalla Mountains Comment
  UCR16343  Larrea tridentata S. Nelson 1974-4-13 s.n. Riverside Sonoran (Colorado) Desert, [Coachella Valley] 2 mi north of U.S. Highway 10 on Washington St. 153 Comment
  CAS-BOT-BC353285  Lasthenia coronaria H. M. Hall 1903-4-1 3787 Riverside Vicinity of Riverside 396 Comment
  UC1228547  Lasthenia coronaria C. L. Hitchcock and C. V. Muhlick 1962-3-16 22125 Riverside 8 mi s of Corona; Temescal Canyon Comment
  UCR241007  Lasthenia coronaria Tracy Tennant 1998-4-7 237 Riverside Peninsular Range/Perris-Aguanga Basin Region, Mariette Rd. at Grouse Court, 2.25 mi. NE of Vail Lake Dam 582 Comment
  UCR91214  Lasthenia coronaria Scott D. White 1996-3-31 3865 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
  SBBG36340  Lasthenia gracilis T. L. Secrest 1948-4-10 Riverside near Sage Comment
  UC34661  Lasthenia gracilis H. M. Hall 1902-4-26 2971 Riverside vicinity Riverside; Box Springs Mt. 701 Comment
  UCR138919  Lasthenia gracilis Julie A. Greene 1993-3-13 1009 Riverside San Jacinto River Valley, San Jacinto Wildlife Area. On the berm between ponds 441 Comment
  POM306061  Lathyrus vestitus subsp. laetiflorus Henry J. Ramsey, Henry J. Ramsey 1937-5-30 1325 Riverside Santa Rosa Mountains. Comment
  RSA501003  Lathyrus vestitus subsp. laetiflorus Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3121 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  SDSU13342  Lathyrus vestitus var. alefeldii C. Matt Guilliams 2000-4-29 Riverside Santa Margarita Ecological Reserve, Insect Trail. 1.5 miles NE of Gavalin Mtn. 372 Comment
  UCR89878  Lathyrus vestitus var. vestitus Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3339 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
  UCR234280  Lavandula X intermedia A. C. Sanders 2012-4-12 40030 Riverside Peninsular Range; Santa Ana Mtns. Region, Temescal Canyon, along Temescal Canyon Rd. between Glen Ivy and Indian Truck Trail, near El Hermano Rd. 312 Comment
  SEINET3147917  Layia glandulosa M. F. Gilman 1904-1 3 Riverside Banning Comment
  UC1563034  Layia platyglossa Steve Boyd, Tim Ross, Laurel Arnseth 1989-3-18 2985 Riverside Temecula Creek Cyn below Vail Lake dam; Vail Lake area, Temecula Creek Cyn below Vail Lake dam 417 Comment
  UC219258  Layia platyglossa Munz and Johnston 1922-5-19 5419 Riverside Hemet Valley San Jacinto Mountains, Hemet Valley 1402 Comment
  UCD133999  Layia platyglossa E. W. Lathrop 1966-4-20 6193 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1219 Comment
  UCR139043  Layia platyglossa D. L. Banks 1997-3-6 1390 Riverside NW Palomar Mountains, Agua Tibia Mountains, Pechanga Indian Reservation. 'Fiesta Ground' east of Pechanga Creek along the N fork of Pechanga Creek at the E end of the Reservation 482 Comment
  UCR241006  Layia platyglossa Tracy Tennant 1998-4-7 236 Riverside Peninsular Range/Perris-Aguanga Basin Region, Mariette Rd. at Grouse Court, 2.25 mi. NE of Vail Lake Dam 582 Comment
  POM307779  Layia platyglossa subsp. campestris Henry J. Ramsey, Henry J. Ramsey 1938-3-26 25552 Riverside Corona-Elsinore Road. Comment
  RSA588600  Lemna minuta Darin L. Banks, Steve Boyd 1995-10-17 811 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground., Along the narrow benches where Arroyo Seco turns to the E, just W of the Metasedimentary hills. 524 Comment
  RSA593915  Lepidium dictyotum var. acutidens Steve Boyd, Dave Bramlet 1996-4-19 8595 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
  CHSC520  Lepidium flavum M. Anthony 1954-4-15 Riverside Near Joshua National Monument. Comment
  CAS-BOT-BC89439  Lepidium fremontii H. M. Hall 1905-4-1 5844 Riverside Colorado Desert. Canyon Springs. Comment
  HSC6816  Lepidium fremontii C. L. Hitchcock, C. V. Muhlick 1964-3-22 23250 Riverside Side canyon near S entrance to Joshua Tree National Monument Comment
  UC856449  Lepidium fremontii Ira L. Wiggins 1937-3-9 8755 Riverside 5 mi w Shavers Well Comment
  RSA0107849  Lepidium lasiocarpum Duncan S. Bell, Amanda Turek 2009-3-30 167 Riverside Southeast section of the Arica Mountains; approximately 0.75 air mile west southwest of Priest Well. 332 Comment
  UCR116931  Lepidium latipes A. C. Sanders, D. Malueg 2001-5-17 24363 Riverside Perris-Aguanga Basin, Gasline right of way across Pinto and Hoopes Ranches, east of Briggs Road at and near Warm Springs Creek, south of Scott Rd. 415 Comment
  UCR228250  Lepidium latipes A. C. Sanders, T. B. Salvato 2011-4-1 38935 Riverside Peninsular Range, Lake Elsinore area, near Alberhill, Baker St., SW side at dirt road crossing, c. 270 ft. SE of intersection with Pierce St. 385 Comment
  UCR251304  Lepidium nitidum T. B. Salvato, Matthew Malle 2014-4-8 7829 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills, above an old horse track, c. 0.2 mi north of the junction of Temescal Canyon Road and Concordia Ranch Road 377 Comment
  UCR60544  Lepidium nitidum K. Tomlinson, D. Kama, R. F. Thorne 1985-3-27 898 Riverside Santa Rosa Plateau, Mesa de Colorado 610 Comment
  RSA769496  Lepidium nitidum var. nitidum Justin M. Wood 2010-3-19 1426 Riverside Beaumont: Near Smith Creek, E of Sun Lakes off S Highland Home Rd. 747 Comment
  CLARK-A1045-92  Lepidium virginicum var. pubescens George K. Helmkamp 1978-4-27 Riverside San Jacinto Mountains originally ""at Deer Spring""; Lake Fulmor 7.5'Q Comment
  POM48496  Lepidium virginicum var. pubescens Mary F. Spencer 1919-6-18 1327 Riverside San Jacinto Mtns. Comment
  POM113965  Lepidium virginicum var. robinsonii Marcus E. Jones 1926-3-10 s.n. Riverside Santa Ana Canyon Comment
  RSA575819  Lepidium virginicum var. robinsonii Steve Boyd 1981-4-29 s.n. Riverside Gavilan Hills region , southern flank of the range along road in Arroyo del Torro. 609 Comment
  SD148197  Lepidium virginicum var. robinsonii A. C. Sanders, T. B. Salvato 2001-5-3 24082 Riverside Hemet, southeast corner of State Street at Gibbil, 1712 ft. hill at east end of Diamond Valley. 494 Comment
  HSC5930  Lepidospartum squamatum L. S. Rose 1966-12-14 66103 Riverside Whitewater Wash, N of Palm Springs Desert. 198 Comment
  SDSU12990  Lepidospartum squamatum Michael G. Simpson with Claudia A. Luke 1999-10-27 2012 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/4 mile from Southside Facilities. 152 Comment
  UCR137454  Leptochloa mucronata Steve Boyd 1998-10-4 10293 Riverside Riverside, backyard orchard at 4863 Rubidoux Avenue 244 Comment
  RSA0095144  Leptosiphon floribundus subsp. glaber Scott D. White, Tasha La Doux 2000-4-20 7702 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  POM364670  Leptosiphon floribundus subsp. hallii Anstruther Davidson 1902-5-11 1914 Riverside Martinez Canyon Rd. Comment
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May 22 2012
  SFV7333  Leptosyne californica T. Gordon, K. Kimbrough 1975-3-16 850 Riverside 10 miles south of Corona. Open fields adjacent to Highway 71. 365 Comment
  RSA124225  Lesquerella tenella P. C. Everett, E. K. Balls 1958-5-7 23115 Riverside S end Joshua Tree National Monument 1067 Comment
  SBBG87851  Lesquerella tenella A. C. Sanders 1986-3-2 6057 Riverside Chuckwalla Bench, S side of the Chuckwalla Mtns, on Bradshaw Rd, ca. 2 mi E of the gasline rd 640 Comment
  UC279681  Lesquerella tenella Edmund C. Jaeger 1926-2-28 Riverside Canyon Springs Wash near Salton Station (Colorado Desert); , Canyon Springs Wash 30 Comment
  UCR115153  Lessingia filaginifolia Mitch Provance 2000-8-24 2220 Riverside Jurupa Mountains, NW Jurupa Mtns; SW of the E extreme of Philadelphia St. 274 Comment
  UCR193973  Lessingia filaginifolia A. C. Sanders 2008-7-25 35906 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, along Bonita Vista Rd. at foot of hills 1580 Comment
  POM122893  Lessingia glandulifera var. glandulifera Marcus E. Jones 1924-8-30 s.n. Riverside San Jacinto Mountains; Tahquitz trail. Comment
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Sep 16 2011
  POM361836  Lessingia glandulifera var. glandulifera I. W. Clokey, E. G. Anderson 1935-8-21 6951 Riverside West of Keen Camp P. O. 1200 Comment
  RSA38277  Lessingia glandulifera var. glandulifera P. A. Munz 1946-10-18 11560 Riverside Round-top hill northwest of Aguanga. 793 Comment
  RSA655213  Lessingia glandulifera var. glandulifera Scott D. White 1999-7-9 7533 Riverside Idyllwild Area: Near Idyllwild Community Service Dist. sewage ponds at terminus of USFS Road S24.2. 1432 Comment
  UCD64300  Leymus condensatus R. N. Raynor 1938-6-20 s.n. Riverside Aguanga. Comment
  CAS-BOT-BC274535  Leymus triticoides H. M. Hall 1901-6-1 2122 Riverside San Jacinto Mountins. Eastern base, along the borders of the Colorado Desert Comment
  UCR217561  Lilium humboldtii subsp. ocellatum Jeff B. Galvin 2008-6-26 72 Riverside Peninsular Ranges, Santa Ana Mountains, Horse Thief Canyon, 1.3 km SE of Trabuco Peak 955 Comment
  CAS-BOT-BC130874  Lilium parryi Albert M. Vollmer 1950-7-1 s.n. Riverside Stony Creek, San Jacinto Mountains Comment
  JEPS58191  Linanthus aureus W. L. Jepson 1914-5-17 5983 Riverside Pleasant Valley, Lookout Mt. Colorado Desert, Conchilla Range 914 Comment
  UC23394  Linanthus aureus E. L. Koethen 1897-4-15 13 Riverside Riverside Comment
  CHSC1259  Linanthus californicus S. Westerberg 1938-4-12 Riverside Palm Springs. Comment
  RSA689560  Linanthus dianthiflorus Scott D. White, Michael Honer 2003-4-25 9106 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
  RSA720466  Linanthus dianthiflorus Naomi Fraga, Tim Thibault 2006-5-16 1672 Riverside ca. 2.5 miles up Morris Ranch Road near its intersection with a locked FS road west of Goff Flat. 1585 Comment
  UC52541  Linanthus floribundus subsp. floribundus H. M. Hall 1898-4-9 874 Riverside Temescal Mts. Comment
  JOTR37477  Linanthus pungens Hodges, Stephen, T. Green 2016-5-5 598 Riverside Joshua Tree National Park. Little San Bernardino Mountains; canyons below Upper Covington Flats, southwest of Covington Crest trail (Stop 2) Comment
  POM307240  Linum lewisii Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2108 Riverside Santa Rosa Mountains. Comment
  POM68984  Listera convallarioides Carl V. Meyer s.n. Riverside San Jacinto Mountains. Comment
  POM10221  Lobelia cardinalis subsp. graminea Anonymous 1903-8-23 436 Riverside Spring Brook west of Elliotta. [City of Riverside] Comment
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Jan 5 2015
  UCR116803  Loeflingia squarrosa A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23933 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  UCR139160  Loeflingia squarrosa S. J. Myers, M. D. Wilcox 2003-5-15 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1128 Comment
  JOTR31122  Loeseliastrum matthewsii La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 2504 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Sandy, narrow canyon at base of Quail Mountain with bouldery/rocky slopes; North end of Juniper Flats (Stop 3) Comment
  SEINET3141203  Loeseliastrum schottii R. W. Spellenberg, N. Zucker 2001-3-25 13181 Riverside Box Canyon 8 km E of valley edge E of Mecca 140 Comment
  UC1537024  Logfia filaginoides Gordon H. True Jr. 1935-4-10 224 Riverside Box Springs Box Springs Canyon, Box Springs 365 Comment
  SEINET251732 Image available Lolium multiflorum Walter Graves 2002-6-11 602 -3 Riverside Riverside: grown at UCR in Agricultural Operations Fields (Riverside East 7.5' Q.:). 305 Comment
  UCR54314  Lolium perenne Frank C. Vasek 1956-6-12 s.n. Riverside Riverside: Hwy 60, 1.05 mi east of Chicago Ave. on the University of California, Riverside campus Comment
  RSA343106  Lolium perenne subsp. multiflorum R. F. Thorne, Walter Wisura, E. Lathrop, Sara Meury 1985-5-18 60629 Riverside Santa Rosa Plateau: Cole Canyon, near entrance to Nature Conservancy Reserve. 530 Comment
  SEINET1869724  Lolium rigidum Walter Graves 2002-1 502 -30 Riverside Riverside: grown at U.C.R. in Agricultural Operations Fields. 305 Comment
  UCR176926  Lomatium dissectum Tracy Tennant, Jeffrey Ross 1998-4-30 MOR- 58 Riverside San Bernardino Mtns., Morongo Indian Reservation, Hathaway Canyon, tree stand H-05 915 Comment
  RSA495814  Lomatium lucidum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-12 2924 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  POM320781A  Lomatium vaginatum M. A. Clauser 1966-3-17 433 Riverside Temecula. 305 Comment
  RSA356761  Lomatium vaginatum R. F. Thorne 1973-5-23 45532 Riverside Santa Rosa Plateau: N side of Mesa de Colorado. Santa Ana Mountains 609 Comment
  RSA574729  Lomatium vaginatum Steve Boyd 1981-4-10 s.n. Riverside Gavilian Hills region, Gavalian Plateau east of Estelle Mountain along Estelle Mountain Road. 671 Comment
  SD181619  Lonicera subspicata Scott D. White, Teresa Salvato 2001-6-8 8589 Riverside Santa Ana Mountains, southern margin of county, just northeast of Rainbow Valley (Temecula [quad]). 334 Comment
  CAS-BOT-BC234888  Lonicera subspicata var. denudata Cecil Hart 1926-7-4 s.n. Riverside San Jacinto Mts. Comment
  RSA680835  Lonicera subspicata var. denudata Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8666 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  CAS-BOT-BC198539  Lotus L. R. Abrams 1926-3-26 11100 Riverside Between Edom and Garnet east of San Goronio Pass. Comment
  CAS-BOT-BC198547  Lotus Elizabeth McClintock 1965-6-25 s.n. Riverside Top of Santa Rosa Mountain Comment
  RSA406420  Lotus Anstruther Davidson 1892-05 s.n. Riverside Banning. Comment
  RSA504557  Lotus argophyllus var. argophyllus Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mtns., ca 1 mi SE of town on Nuevo. 640 Comment
  RSA741176  Lotus corniculatus Justin M. Wood, Brandy N. Ulrich 2008-7-14 17 Riverside Garner Valley, near intersection of Fobes Ranch Rd and Hwy 74. 1348 Comment
  UCR250197  Lotus hamatus A. C. Sanders 2014-4-23 41042 Riverside Peninsular Range, Gavilan Hills, along Concordia Ranch Rd. at edge of Temescal Valley, above I-15 and east of Black Powder Rd. 384 Comment
  RSA614598  Lotus heermannii A. C. Sanders, Steve Ogg 1994-7-28 15177 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd Bridge 243 Comment
  RSA798593  Lotus heermannii Robert F. Thorne, E. W. Lathrop 1977-5-18 49753 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  SEINET3208896  Lotus nevadensis var. nevadensis G. Goodwin 2012-6-14 3451 Riverside San Jacinto Mountains, south of Banning along highway 243 just north of Vista Grande viewpoint 1550 Comment
  RSA339624  Lotus procumbens R. F. Thorne, C. W. Tilforth 1980-5-28 54164 Riverside San Bernardino Mountains, dry, Colorado Desert slopes, S-facing and W-facing, N-S rocky ridge at E side of Whitewater River at mouth of canyon, ca. 1/4-1/2 miles E of Whitewater Post Office. Comment
  RSA498741  Lotus procumbens T. W. Minthorn, Freda Detmers s.n. Riverside Road to Palm Spring and Banning Comment
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Oct 1 2011
  RSA771105  Lotus procumbens var. procumbens Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4734 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
  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
  SEINET8721510 Image available Lotus rigidus Lewis S. Rose 1938-1 38336 Riverside 15 mi. sw. of Cathedral City. Palms to Pines Highway, San Jacinto Mts. 671 Comment
  UCR250883  Lotus scoparius subsp. brevialatus S. J. Myers, Jennifer Tobin, Michelle Tobin 2013-3-13 1052 Riverside Lakeview Mountains, along powerline access road 0.22 mi. NE (25 deg. ) of intersection of Contour Ave. & Truffaut Dr. 613 Comment
  UCR260845  Lotus scoparius subsp. brevialatus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-25 41508 Riverside San Gorgonio Pass, c. 1.5 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope between the water bottling plant and I-10 and west along dirt track, near Elm St. 498 Comment
  UC1929817  Lotus strigosus var. strigosus Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10471 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  RSA3980  Lotus tomentellus C. B. Wolf 1932-4-29 3118 Riverside Eastern Colorado Desert, 3 miles S of Rice on the Blythe road. 213 Comment
  RSA704539  Lotus tomentellus LeRoy Gross 2005-3-3 1583 Riverside Palen Mountains, south side. Near end of old prospect road., [From] Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W. 207 Comment
  UCR29818  Lotus tomentellus George K. Helmkamp 1983-3-24 383- 18 Riverside Sonoran (Colorado) Desert, north base of the Little Chuckwalla Mountains, 1.5 miles east of Graham Pass Road 336 Comment
  POM126308  Lupinus arizonicus Thos. Craig 1927-4-2 39 Riverside Canyon near Hidden Springs. Comment
  POM349942  Lupinus arizonicus J. Jones, Christopher Davidson 1980-4-4 9951 Riverside West end of the Orocopia Mtns. in a small canyon and wash almost due south of Oro peak. 518 Comment
  POM349949  Lupinus arizonicus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  RSA0118062  Lupinus arizonicus Sarah J. J. De Groot, Thomas Stoughton 2016-2-18 7619 Riverside Mecca Hills: side canyon (east fork) of Painted Canyon. 182 Comment
  RSA124265  Lupinus arizonicus E. K. Balls, Percy C. Everett 1958-3-20 22937 Riverside South base of Eagle Mts., U.S. Hwy 60/70. 366 Comment
  SJSU1877  Lupinus arizonicus J. W. Tilden 1957-4-18 1093 Riverside near Whiteater, E of San Gorgonio Pass Comment
  UC1080285  Lupinus arizonicus E. K. Balls and P. C. Everett 1958-3-20 22937 Riverside S base of Eagle Mts., U.S. Hwy. 60/70 365 Comment
  UC668381  Lupinus arizonicus Annie M. Alexander and Louise Kellogg 1941-5-14 2167 Riverside 5 1/2 mi s Cottonwood Spring (Eagle Mountains, Colorado Desert); Colorado Desert, Eagle Mountains, Cottonwood Spring 502 Comment
  UCR165300  Lupinus arizonicus John F. Green 2005-2-4 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 miles east of Desert Beach 24 Comment
  UCR200297  Lupinus arizonicus Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11217 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
  UCR224994  Lupinus arizonicus Dave Silverman, Mark Bibbo 2010-3-31 7887 Riverside Sonoran (Colorado) Desert, East flank bajada of the McCoy Mtns, one mile W of Black Creek Rd, 5.3 km N of I-10 and 6.5 km ENE of McCoy Peak 175 Comment
  SEINET10490539  Lupinus arizonicus subsp. arizonicus Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-21 Holmgren 6423 Riverside Big maria mountains, 12 air miles n of downtown blythe. T4s,r22e,sec.35. Frequent on sandy banks of wash. Petals pink-purple with dark red spots 290 Comment
  RSA776232  Lupinus bicolor Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 872 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 762 Comment
  SDSU17489  Lupinus bicolor Jerry Jenkins 2001-3-31 2001 -010 Riverside Santa Margarita Ecological Reserve. Foot of shaded bluff, west side of Santa Margarita river slightly north of station. UTM zone 6, 481700N, 3699150E. with 006. UTM transfered to GIS. Comment
  UCR84615  Lupinus bicolor Scott D. White, S. Ogg 1994-4-21 2000 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  RSA594125  Lupinus bicolor subsp. microphyllus D. L. Banks, Victor W. Steinmann 1996-4-20 0894 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. 536 Comment
  RSA180235  Lupinus bicolor subsp. tridentatus E. W. Lathrop 1965-5-30 5597 Riverside 14 miles W of Murrieta, Riverside County Comment
  SEINET2062867 Image available Lupinus concinnus J. Easton 1987-4-23 Riverside E of Anza along Hwy 371, Hamilton Creek Canyon. 1249 Comment
  UCR154741  Lupinus concinnus T. B. Salvato, Kent Beaman 2005-5-16 776 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
  RSA195700  Lupinus concinnus subsp. optatus C. R. Gunn 1963-5-29 2630 Riverside Riverside County road R1, 1/2 mile above Fulmore Lake, San Bernardino National Forest, San Jacinto Mountains. Comment
  SBBG35091  Lupinus excubitus T. L. Secrest 1951-5-19 Riverside near Idyllwild Comment
  CAS-BOT-BC205387  Lupinus excubitus var. austromontanus Philip A. Munz 1937-5-30 15140 Riverside Santa Rosa Peak 2407 Comment
  SEINET3208894  Lupinus excubitus var. austromontanus G. Goodwin 2012-6-14 3449 Riverside San Jacinto Mountains, south of Banning along highway 243 just north of Vista Grande viewpoint 1550 Comment
  POM256718  Lupinus excubitus var. hallii W. Pequegnat 1940-4-28 s.n. Riverside Ridge between Bedford and Brown Canyons, Santa Ana Mts. 701 Comment
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May 20 2012
  SEINET269555  Lupinus excubitus var. hallii Scott D. White 1996-5-27 4068 Riverside Jackrabbit Canyon E. of Moreno Valley and S. of Calimesa between state Hwy. 60 and Gilman Spr. Rd. west and north of 518 Comment
  UCR281482  Lupinus excubitus var. hallii Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-4-4 417- 91 Riverside Gavilan Hills, SCE transmission route (projected) 0.6 miles NNW of Lake St. and Walker Canyon Rd. 152 Comment
  UCR78450  Lupinus excubitus var. hallii Scott D. White 1993-4-22 1246 Riverside Peninsular Range, North Alberhill Ranch, in hills north of Walker Canyon 489 Comment
  CLARK-A1528-2839  Lupinus hirsutissimus John C. Roos 1938-4-4 731 Riverside La Sierra Comment
  RSA612786  Lupinus hirsutissimus D. L. Banks, Victor W. Steinmann 1997-3-13 1416 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  UCR176927  Lupinus hirsutissimus Tracy Tennant, Jeffrey Ross 1998-3-10 MOR- 1103 Riverside San Bernardino Mtns., Morongo Indian Reservation, Potrero Canyon 1037 Comment
  UCR260873  Lupinus hirsutissimus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41507 Riverside San Gorgonio Pass, north of San Gorgonio River wash, c. 3 miles east of Cabazon, south of I-10 and generally NE of water bottling plant 457 Comment
  RSA5431  Lupinus hyacinthinus Carl B. Wolf 1932-8-5 3985 Riverside near junction of trail from Round Valley to San Jacinto Peak and trail to idyllwild via Tahquitz Valley 2957 Comment
  RSA699719  Lupinus hyacinthinus Keith E. Hoffmaster 1937-7-5 s.n. Riverside Fern Valley, San Jacinto Mtns Comment
  HSC104178  Lupinus latifolius A. C. Sanders, T. B. Salvato 2014-7-2 41161 Riverside San Jacinto Mtns.: Forbes Canyon, ~0.5 mi. S of Forbes Ranch along Forbes Ranch Rd. 1555 Comment
  RSA413548  Lupinus microcarpus var. densiflorus Ora M. Clark 1929-4-7 2036 Riverside South of Aguanga Comment
  RSA0096913  Lupinus microcarpus var. densiflorus R. S. Woglum 1939-4-22 2183 Riverside Peninsular Ranges: Hemet to Anza; San Jacinto Mtns. Comment
  OBI48505  Lupinus microcarpus var. microcarpus Rhonda Riggins 1982-4-15 1341 Riverside Pasture and adj dirt rd, Guava St (DeLuz Rd) 0.4 mi S jct. Washington Ave in Murietta Comment
  SEINET7042763 Image available Lupinus nanus W. P. Vestal, A. G. Vestal 1955-3-25 s.n. Riverside South end of Buck Road, Notheast of Long Valley, south southeast of Winchester. Comment
  RSA590650  Lupinus polycarpus E. W. Lathrop 1965-5-30 5597 Riverside 14 miles W of Murrieta, Riverside County Comment
  UC126990  Lupinus sparsiflorus Mrs. Gregory 1890-1 Riverside San Jacinto Comment
  UCR117077  Lupinus sparsiflorus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23961 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon area west of Del Rey Rd., hills on both sides of gas pipeline route 390 Comment
  RSA718870  Lupinus sparsiflorus Michael Honer, L. Hulse 2005-3-8 2035 Riverside Fargo Canyon; first main N-trending fork after entering canyon from bajada. Site of large long MWD aqueduct tunnel tailings pile. 457 Comment
  RSA414272  Lupinus sparsiflorus subsp. sparsiflorus N. C. Cooper 1949-3-15 3016 Riverside Cabazon. 549 Comment
  RSA414279  Lupinus sparsiflorus subsp. sparsiflorus P. J. Remple 1942-3-21 s.n. Riverside Whitewater Canyon. Comment
  POM10112  Lupinus sparsiflorus var. inopinatus H. M. Hall 1904-05 4946 Riverside Fairmount Park. Comment
  UCR172260  Lupinus succulentus 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
  RSA262120  Lupinus truncatus E. W. Lathrop 1968-6-2 6966 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. Comment
  RSA613469  Lupinus truncatus D. L. Banks, Victor W. Steinmann 1997-3-13 1452 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  UCSB3376  Lupinus truncatus Gill, Robert 1960-3-23 Riverside Snow Canyon; near end of road; San Jacinto Mt. Range; Colorado Desert Drainage Area 563 Comment
  POM48592  Luzula comosa Mary F. Spencer 1919-7-19 1197 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  POM13043  Lycium andersonii Philip A. Munz, D. D. Keck 1922-4-9 4849 Riverside Vicinity of Corn Springs, Chuckwalla Mtns. Colorado Desert. 427 Comment
  RSA512155  Lycium andersonii Ed LaRue 1989-5-8 s.n. Riverside Mockingbird Canyon area, S of Van Buren Blvd and ca 1/2 mi (airline) E of Mockingbird Canyon Road. Comment
  UC1563047  Lycium andersonii Steve Boyd, Tim Ross, and Laurel Arnseth 1989-4-2 3225 Riverside sandstone ridge between Kolb Creek and Temecula Creek (forming peninsula at sw end of Vail Lake, ne end of peninsula); Vail Lake Area Comment
  RSA428846  Lycium cooperi Christopher Davidson 1973-4-19 1985 Riverside Joshua Tree Natl. Monument, ca 4 mi. E of Split Rock, ca 1.5 mi S of park entrance. 1220 Comment
  JOTR36471  Lycium parishii La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3440 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; at top of large cobbley wash, near Russi Rocks guzzler (Stop 4) 538 Comment
  RSA0125107  Lythrum californicum Duncan S. Bell 2016-10-27 10216 Riverside Whitewater Canyon area; collecting in Rainbow Canyon, 2.75 air miles northwest of the Whitewater Ranger Station (trout ponds). 1024 Comment
  UCR92321  Lythrum hyssopifolia Scott D. White, S. Ogg 1994-10-17 2473 Riverside Temecula Valley, Murrieta Creek, 1000-3000 ft. south of Winchester Road bridge (Banana Avenue) 317 Comment
  POM362091  Machaeranthera tephrodes E. C. Jaeger 1922-4-9 719 Riverside Blythe along road toward Ripley. Comment
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Jun 8 2012
  RSA627385  Maclura pomifera A. C. Sanders, K. C. Rose 1999-6-18 22799 Riverside Skinner/Domenigoni area: French Valley, E side of Washington Ave, 1/2 mile S of Rawson Road 439 Comment
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Mar 20 2011
  UCR34958  Madia elegans subsp. wheeleri L. B. Ziegler 1968-6-12 312 Riverside San Jacinto Mtns, Thomas Mtn 1982 Comment
  RSA560865  Malacothamnus densiflorus var. densiflorus Steve Boyd 1992-4-14 6831 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail. 341 Comment
  RSA752792  Malacothrix californica Scott D. White, Justin M. Wood 2009-5-21 12863 Riverside San Jacinto Mountains: Garner Valley, near abandoned duck ponds, S of Quinn Flat. 1357 Comment
  RSA94968  Malacothrix californica F. W. Peirson 1914-04 1478 Riverside Beaumont Comment
  CLARK-A1528-2007  Malacothrix clevelandii John C. Roos 1954-5-15 6119 Riverside Reche Canyon 731 Comment
  CAS-BOT-BC347699  Malacothrix glabrata N. Aitkenhead 1977-2-2 2122 Riverside ~1 mi. from junction of JT Mon Rd & pipeline 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
  UCR211818  Malacothrix glabrata Valerie Soza, J. M. Porter, G. D. Wallace 2001-4-2 1080 Riverside Transverse Ranges, Little San Bernardino Mountains, Big Morongo Wash 473 Comment
  SEINET11799396  Malacothrix glabrata Unknown 1933-1 8052 Riverside Banning Comment
  SEINET2053783 Image available Malacothrix saxatilis var. tenuifolia J. Nevin 1987-4-4 40 Riverside Market St. and Goodyear Ave, Ventura, 2 miles frolm caost. 0 Comment
  POM285601  Mammillaria dioica Lyman Benson 1952-3-23 14844 Riverside Mountainsides above Cathedral City on the Palms-to-Pines Highway. Mt. Range San Jacinto. 701 Comment
  RSA523965  Marah macrocarpa Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4011 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  SD129568  Marah macrocarpa Steve Myers 1990-3-21 Riverside Santa Rosa Plateau area; along Los Gatos Road 365 Comment
  SD260213  Marah macrocarpa A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42393 Riverside Peninsular Range: UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site (Pechenga 7.5'Q) 465 Comment
  UC1537624  Marah macrocarpa Gordon H. True Jr. 1935-3-1 38 Riverside Gavilan Hills 548 Comment
  UCR135861  Marah macrocarpa A. C. Sanders 2004-4-20 27525 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
  HSC87166  Marina parryi Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2131 Riverside N end Palen Mtns., 2 mi. W of Palen Pass 300 Comment
  RSA607360  Marina parryi R. S. Woglum 1941-4-10 2932 Riverside Sonoran Desert: Blythe. Comment
  RSA698735  Marina parryi W. Marquart 1938-3-12 s.n. Riverside 10 miles west of Blythe. Comment
  RSA784963  Marina parryi Duncan S. Bell 2012-3-18 3227 Riverside The Mecca Hills; at the mouth of Box Canyon, on the north side of the Coachella Canal. 14 Comment
  SD247425  Marina parryi A. C. Sanders., Jim Malusa 2015-9-10 41863 Riverside Sonoran (Colorado) Desert: Bradshaw Trail, 0.85 mile SE of its junction with Summit Road in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range (East of Red Canyon 7.5'Q) 480 Comment
  CAS-BOT-BC348068  Matricaria discoidea S. B. Parish 1914-4-13 9075 Riverside Ethanac, near Perris Comment
  CDA10742  Matricaria occidentalis A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24198 Riverside Perris-Aguanga Basin region; S of Hemet, E end of Diamond Valley, ca. 1/4 mi. N of Newport Rd. and 3/4 mi. E of State St. Comment
  RSA621898  Medicago polymorpha Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 2996 Riverside Agua Tibia Mountains. Vail Lake area, Temecula Creek Canyon below Vail Lake dam. 418 Comment
  RSA652171  Medicago polymorpha W. H. Grady 1948-5-6 s.n. Riverside Found 2 mi. west of Riverside near drainage ditch, west of Santa Ana River. 243 Comment
  CLARK-A1528-5055  Medicago sativa John C. Roos 1951-9-25 5292 Riverside Riverside 259 Comment
  UCR2908  Melia azedarach Nancy Atha 1963-4-21 4-21-63- 4 Riverside Riverside, NW side of Box Springs Mountain, c. 100 ft. above the end of Goodrich Drive 305 Comment
  RSA782810  Melica frutescens A. C. Sanders, Nathan Moorhatch 2011-3-22 38765 Riverside Powerline corridor through hills 6.4 km SW of Perris, east of Hwy 74 and south of Ethanac Rd. 473 Comment
  CLARK-A1528-4727  Melica imperfecta John C. Roos 1937-5-2 1419 Riverside La Sierra Comment
  HSC10353  Melica imperfecta C. L. Hitchcock, C. V. muhlick 1964-3-17 23101 Riverside 3 mi. SE of Glen Ivy Hot Springs. Comment
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Jul 9 2010
  JOTR37471  Melica imperfecta Hodges, Stephen, T. Green 2016-5-24 593 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; On slopes with granitic boulders descending down east side of Minerva Hoyt peak towards Lost Horse area and in sandy washes beneath slopes (Stop 3). Comment
  RSA179494  Melica imperfecta E. W. Lathrop 1959-5-29 4592 Riverside 14 miles W of Murrieta; Tenaja Canyon in the Cleveland National forest Comment
  RSA659631  Melica imperfecta J. C. Roos 1950-4-4 4754 Riverside The summit of Reche Canyon. On 2 year old burn, steep West slope, 0.5 mi. N.E. of the summit. 793 Comment
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Apr 3 2011
  SBBG122769  Melica imperfecta A. Parikh 1990-5-8 163 Riverside Motte Rimrock Reserve, W of Perris Valley, 0.6 km S of Cajalco Rd, 1.4 km E of Old Elsinore Rd 510 Comment
  UCR158266  Melica imperfecta A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-4-14 29496 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
  UCR216402  Melica imperfecta Mike Bell 2008-3-30 030 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, 5 miles SW of Murrieta, Punta Mesa Trail 537 Comment
  POM204772  Melica imperfecta var. flexuosa H. M. Hall 1901-06 2079 Riverside South side of San Jacinto Mountains. 1463 Comment
  CSUSB1115  Melilotus indicus Dick Bernier 1966-3-29 Riverside along infield of UCR campus track in city of Riverside 304 Comment
  RSA735068  Mentha suaveolens Scott D. White, Angelia Carey 2004-6-4 10473 Riverside San Jacinto Mountain foothills: San Jacinto River wash and adjacent alluv. benches, near Indian Creek confluence. 503 Comment
  RSA0107845  Mentzelia albicaulis Duncan S. Bell, Thomas Stoughton 2010-3-19 581 Riverside West side of the Arica Mountains; within the Palen/McCoy Wilderness area; approximately 2.5 air miles west of Priest Well. 418 Comment
  RSA0121883  Mentzelia dispersa Henry J. Ramsey, Henry J. Ramsey 1937-5-22 2242 Riverside Santa Rosa Mountains Comment
  JOTR31008  Mentzelia involucrata La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1294 Riverside Joshua Tree National Park. Stop 5: Hexie Mountains, steep gravel slopes above north side of Blue Cut Gorge Comment
  RSA440423  Mentzelia involucrata A. C. Life 1916-2-20 s.n. Riverside Colorado Desert Comment
  UCR200296  Mentzelia involucrata Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11219 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
  UCR4453  Mentzelia involucrata Frank C. Vasek 1960-3-17 600317- 03 Riverside Sonoran (Colorado) Desert, Morongo Canyon, E side of the road on hill at mouth of canyon, 4.5 mi NW of Desert Hot Springs 579 Comment
  UCSB33608  Mentzelia involucrata Simmons, Karen 1979-3-25 Riverside 8.8 miles southwest of Hwy. 10, on Box Canyon Rd. 30 Comment
  UCSB4219  Mentzelia involucrata Beeks, Richard 1952-4-4 Riverside 7 miles N of Mecca in Box Canyon Comment
  RSA0123778  Mentzelia jonesii Duncan S. Bell, LeRoy Gross 2016-3-10 8875 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; northwestern section of the range; collecting approximately 1.75 air miles northwest of the summit area. 938 Comment
  RSA714427  Mesembryanthemum nodiflorum A. C. Sanders 2004-5-12 27856 Riverside Elsinore Basin Region: Alberhill Mountain, northwest foot near Lake St. at Alberhill. 378 Comment
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Jul 8 2009
  UCR126991  Mesembryanthemum nodiflorum A. C. Sanders, Guy Bruyea 2003-6-12 26889 Riverside Perris-Aguanga Basin Region, Winchester, SW edge of town between Simpson Ave. and Olive Ave., c. 1 km west of Hwy 79/Winchester Rd. 445 Comment
  RSA618162  Micropus californicus D. L. Banks 1997-5-5 2023 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek. East of where the road crosses to the southern bank of the south fork of Pechanga Creek. 427 Comment
  CAS-BOT-BC348847  Microseris douglasii subsp. douglasii A. C. Sanders; K. C. Rose 1998-5-21 21860 Riverside Hemet: alkaline flats west of town, E of the canal, S of Hwy 74 (Florida) and ca. 1/4 mi. W of Warren Rd. 457 Comment
  RSA95084  Microseris douglasii subsp. douglasii F. W. Peirson 1922-4-30 2952 Riverside Plains one mile west of Lakeview, San Jacinto Valley 427 Comment
  RSA543862  Microseris lindleyi Steve Boyd 1991-5-13 6252 Riverside Domenigoni Hills, N side of Domenigoni-Diamond Valleys ESE of Winchester. Vicinity of ultramafic outcrop on ridge top S of S-end of Warren Road 549 Comment
  UCR88423  Microseris lindleyi A. C. Sanders, K. C. Rose 1995-4-5 16360 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  SEINET7016942  Microseris lindleyi Wanda P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside West of Perris, brush-covered Cavilan Hills. Comment
  RSA0018783  Mimulus N. C. Cooper 1949-6-29 4345 Riverside Pine Cove. Comment
  UCR137478  Mimulus aurantiacus D. L. Banks 1997-3-16 1532 Riverside NW Palomar Mountains, Agua Tibia Mountains, N face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound 567 Comment
  RSA523840  Mimulus aurantiacus var. pubescens G. H. True 1935-4-1 192 Riverside Among rocks, steep sides of canyon. 396 Comment
  UCR102825  Mimulus aurantiacus var. pubescens A. C. Sanders 1997-3-26 20105 Riverside Lake Skinner area, along foot trail at west base of Tucalota Hills 518 Comment
  UCR116516  Mimulus aurantiacus var. pubescens Dan Hare 2001-4-26 s.n. Riverside Perris-Aguanga Basin region, Lake Perris State Recretion Area, approximately 1 km northeast of Bernasconi Beach, Lake Perris 600 Comment
  RSA442709  Mimulus aurantiacus var. puniceus E. Crow 1929-4-21 342 Riverside Hills west of Lake elsinore Comment
  UCR97282  Mimulus aurantiacus var. puniceus Scott D. White 1993-3-12 1165 Riverside Near Winchester 466 Comment
  SEINET187379  Mimulus bigelovii var. bigelovii P. A. Munz 1940-3-23 15719 Riverside 3 mi N of Cottonwood Springs Eagle Mts 914 Comment
  UCR72436  Mimulus breweri Steve Morgan, H. M. Soldan 1992-5-23 92- 01 Riverside Santa Rosa Mtns, SE end of San Bernardino National Forest, about 17 mi (airline) due south of Cathedral City, on County Road 7S02 (Santa Rosa Truck Trail), 0.2 mi south of Santa Rosa Camp [not Santa Rosa Spring, which is about 0.5 mi further south of 7S02] 2256 Comment
  UCR3735  Mimulus cardinalis Frank C. Vasek 1964-7-25 640725- 10 Riverside San Jacinto Mountains, Dark Canyon near Wet Canyon Campground Comment
  UCR26963  Mimulus clevelandii E. W. Lathrop 1966-5-29 6390 Riverside Peinsular Range; Santa Ana Mtns, Cleveland National Forest, Main Divide Truck Trail between El Carriso and Santiago Peak 1223 Comment
  RSA757743  Mimulus fremontii LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4351 Riverside From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W., Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon. 871 Comment
  UCR48527  Mimulus fremontii var. fremontii Steve Boyd 1986-4-19 1698 Riverside Peninsular Range, Temescal Canyon, east side of Indian wash between I-15 and Temescal Canyon Road 351 Comment
  CLARK-A1528-865  Mimulus guttatus C. M. Flanagan 1973-5-31 OO 622 Riverside Morongo Indian Reservation 1158 Comment
  JEPS10964  Mimulus inodorus Carl V. Meyer 1928-7-3 601 Riverside Tahquitz Valley San Jacinto Mountains Comment
  JOTR30252  Mimulus pilosus Leary, C. and Leary, Pat 1979-5-6 3032 Riverside Joshua Tree National Park. Barker Dam, Joshua Tree National Monument, T2S R8E sec 4 Comment
  UCR280968  Mimulus pilosus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-5-23 517- 34 Riverside Temescal Valley, Temescal Valley, Indian Wash, SE side of Glen Eden Rd. at De Palma Rd. 372 Comment
  SEINET10845769  Mirabilis J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12850 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 several kilometers on Whitewater Canyon Road to where it crosses over the river. Comment
  UCR226606  Mirabilis bigelovii var. retrorsa Jim Andre 2011-2-18 15818 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
  CAS-BOT-BC434677  Mirabilis laevis var. crassifolia A. C. Sanders; G. Waines; B. Ehdaie; A. Aryavand 1997-3-12 19886 Riverside Lake Skinner area: lower Rawson Canyon, NE of the lake and SW of Black Mtn., along the road. 518 Comment
  CAS-BOT-BC434816  Mirabilis laevis var. retrorsa C. L. Hitchcock 1940-4-1 5906 Riverside 1 mi. below Cottonwood Springs, Joshua Tree National Monument. Comment
  UCR200291  Mirabilis laevis var. villosa Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11232 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
  RSA464623  Mirabilis multiflora C. M. Dammers 1929-10-20 s.n. Riverside Nigger Valley near Aguanga in a river wash in quantity in full flower and again a few plants at Anza Monument near Anza on a hill side near a spring. Comment
  UC444444  Mirabilis tenuiloba W. G. Wright 1880-1 Riverside Colorado Desert Comment
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Dec 17 2016
  RSA408758  Mohavea confertiflora Christopher Davidson 1979-4-4 7734 Riverside Orocopia Mountains, E of Box Canyon on Box Canyon Rd., 15.1 miles E of Mecca. Dirt road to the SE. 579 Comment
  SEINET6192025  Mohavea confertiflora C. Francis Shutts 1949-3-18 47 Riverside Box Canyon on old Mecca-Blythe Hwy. 183 Comment
  UC26850  Mohavea confertiflora W. G. Wright Riverside Colorado Desert Comment
  SEINET10898255  Mohavea confertiflora R. P. Levine, H. S. Brown 1947-4-12 Levine 6 Riverside Wash, pushwalla canyon, indio hills. Comment
  SD245396  Monardella lanceolata R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49544 Riverside Santa Ana Mountains: along Ortega Highway (74), perhaps 1/4 mile west of El Cariso. Comment
  RSA741177  Monardella linoides subsp. linoides Scott D. White, Justin M. Wood 2008-6-17 12179 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  UC597718  Monardella nana Philip A. Munz 1937-5-31 15114 Riverside At Anza Tablet, head of Coyote Canyon, SW Riverside County 1066 Comment
  RSA651654  Monardella nana subsp. arida Elizabeth McClintock, M. McClintock, D. Weiner 1941-7-11 103 Riverside Black Mnt, 0.5 mile beyond Black Mnt Spring. Comment
  RSA750311  Monardella nana subsp. arida Elizabeth McClintock 1941-7-21 127 Riverside San Jacinto Mountains. Trail to Hidden Lake. Comment
  RSA78307  Monardella nana subsp. arida P. A. Munz, E. K. Balls 1952-8-21 17986 Riverside Road, Vandeventer Flat to Santa Rosa Peak. 2073 Comment
  SEINET2442172  Monardella nana subsp. arida Unknownnown 1941-6-29 79 Riverside Road up Santa Rosa Mt. 41/2 miles beyond canyon where stream crosses road. Comment
  SEINET4151981 Image available Monardella nana subsp. arida Elizabeth McClintock, Harlan Lewis 1941-6-29 78 Riverside Peninsular Range; Santa Rosa Mtns.; road up Santa Rosa Mountain, 2.3 miles beyond canyon where stream crosses road 2165 Comment
  UCR221478  Monardella nana subsp. arida Elizabeth McClintock 1941-7-12 105 Riverside Peninsular Range; San Jacinto Mtns., a few hundred feet beyond the forks on the trail to Suicide Rock 2195 Comment
  CHSC67964  Monardella nana subsp. nana Alison Graff 1993-6-24 M- 15 Riverside San Bernardino National Forest, Santa Rosa Mtn. 1.4 mi down Santa Rosa Mtn. Rd. (FS 7S02) from Santa Rosa Camp. Comment
  RSA750283  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-10 89 Riverside San jacinto Mts. At fork in trail going to Suicide Rock and Deer Springs. Comment
  RSA750294  Monardella nana subsp. tenuiflora Elizabeth McClintock, D. Weiner 1941-7-11 103 Riverside Black Mt. 0.5 mile beyond Black Mt. Spring. Comment
  RSA750316  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-22 131 Riverside San Jacinto Mts. On the Idyllwild road, a shot distance below the Keen Camp turn off, in the canyon where the Pseudotsugas first occur. Comment
  UCR146121  Monardella nana subsp. tenuiflora Michael Denslow, M. W. Denslow Sr., Naomi Fraga, Valerie Soza, LeRoy Gross, Firoozeh Navid- Ara 2003-7-16 1459 Riverside Peninsular Ranges; San Jacinto Mtns, Santa Rosa Mountains, first peak west of Toro Peak 2617 Comment
  UC1329940  Monardella robisonii James E. Cole 1941-6-7 857 Riverside Stubby Spring area Joshua Tree National Monument 1402 Comment
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Dec 6 2014
  SEINET13948653 Image available Monardella saxicola Martha P. Creighton 1952-1 687 Riverside 2 mi. E Dripping Springs, 1500 ft alt. 457 Comment
  CLARK-A1528-5417  Monolepis nuttalliana John C. Roos 1952-5-21 5705 Riverside San Jacinto River 426 Comment
  RSA640205  Monolepis nuttalliana R. S. Woglum 1939-3-21 2176 Riverside Sonoran Desert: Mecca; north of Salton Sea. Comment
  UC465463  Monolepis nuttalliana Fred M. Reed 1906-5-19 961 Riverside Rubidoux <Ave. or Riv. ?> near Grand; Rubidoux <Ave. or Riv. ?> Comment
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Mar 10 2011
  UCR187488  Monolepis nuttalliana Diane Menuz, Theresa Johnson 2006-5-9 075 Riverside Peninsular Range; Perris Basin, San Jacinto Wildlife Area, across the street from the information booth, north of Lakeview and east of Davis Rd. 434 Comment
  RSA278963  Monoptilon bellioides B. A. Prigge, L. Martinez 1978-3-23 2410 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  SEINET270923  Monoptilon bellioides Richard J. Shaw 1958-4-6 1100 Riverside Joshua Tree National Monument ; Road between White Tank Campground and South Entrance. 610 Comment
  UC217924  Monoptilon bellioides P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4866 Riverside vicinity Corn Springs; Colorado Desert, Chuckwalla Mountains 457 Comment
  UCR167251  Monoptilon bellioides 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
  UCR30048  Monoptilon bellioides A. C. Sanders 1983-4-24 3799 Riverside Sonoran (Colorado) Desert, alluvial fan at the NW end of Orocopia Mountains along Hwy 195, c. 3 miles NE of Shavers Well and 2.7 miles NE of the point where the road enters Box Canyon 367 Comment
  SEINET8044079 Image available Morus alba A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-1 41552 Riverside Peninsular Range: Eastern Foot of the Santa Ana Mtns: Temescal Valley jsut below I-15 bridge near Hostettler Road, Se of Lee (Corona) Lake, south side of I-15, 2.17 km west of Lake St. at Alberhill. 363 Comment
  CAS-BOT-BC267022  Muhlenbergia filiformis H. M. Hall 1901-6-1 2290 Riverside San Jacinto Mountains. Vicinity of Strawberry Valley 1615 Comment
  JEPS20765  Muhlenbergia microsperma Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13241 Riverside Hwy US 95 11.3 mi n Blythe (wash arising in mts.); Big Maria Mts. Comment
  RSA0104694  Muhlenbergia microsperma Duncan S. Bell, Sarah DeGroot, Cheryl Sevilla 2015-3-5 7762 Riverside Chuckwalla Mountains; a side canyon off of Irish Wash, approximately 1.5 air miles southwest of Aztec Well. 696 Comment
  RSA583746  Muhlenbergia microsperma Steve Boyd 1995-4-24 8485 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on northern flank of Agua Tibia Mountain at the north base of Wildhorse Peak, along the Wildhorse Trail near the northeastern corner of the Wilderness. 671 Comment
  UCR174308  Muhlenbergia microsperma A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32651 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
  UCR83247  Muhlenbergia microsperma N. M. Fellows 1982-5-5 s.n. Riverside Hills south of UCR Campus Comment
  UCR113539  Muilla maritima Mitch Provance 1998-6-6 692 Riverside Jurupa Mountains, Jensen Quarry, Sunnyside area on W side of Sierra Blvd, just east of corner of 29th St. and Scenic Drive 262 Comment
  UCR22040  Muilla maritima Steve Boyd 1980-5-11 240 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
  UCR83570  Myosurus minimus subsp. apus Scott D. White 1993-3-12 1142 Riverside San Jacinto Valley, between aqueduct and Warren Rd. 457 Comment
  SDSU3619  Myriopteris parryi A. H. Gallup 1949-3-28 361 Riverside San Jacinto Mt. Ranche. In rocky ledges-Palms to Pines Hywy above Desert Center. Drainage area is the Colorado Desert. 762 Comment
  RSA0006065  Myzorrhiza hutchinsoniana W. Hutchinson 1921-04 3407 Riverside Near Palm Springs. Comment
  SEINET3091487 Image available Nama demissa Norman C. Cooper 1949-4-8 3299 Riverside Desert Center, Desert Center. Comment
  UC880818  Nama demissa var. demissa C. L. Hitchcock 1940-3-29 5866 Riverside ca 100 yeads e spring Cottonwood Canyon (Cottonwood Canyon); , e of Spring Comment
  UC880831  Nama demissa var. demissa Edmund C. Jaeger 1920-4-1 1078 Riverside Palm Springs Comment
  SD27988  Nama hispida var. spathulata Carl B. Wolf 1932-4-28 3082 Riverside Chuckwalla Valley, 19 miles west of Blythe on the Mecca Road. 399 Comment
  UC333428  Nassella cernua unknown April 1888 Riverside Elsinore Comment
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Feb 4 2013
  UC821907  Nassella cernua P. A. Munz and I. M. Johnston 1922-5-21 5540 Riverside Hemet Valley San Jacinto Mts. 1402 Comment
  RSA781361  Nassella pulchra A. C. Sanders, T. B. Salvato 2011-4-1 38961 Riverside Lake Elsinore, hill 90 m NE of intersection of Baker St. and Bunker St., 0.35 km NW of Hwy 74 395 Comment
  RSA574753  Navarretia fossalis Steve Boyd, A. C. Sanders 1980-5-19 s.n Riverside San Jacinto Valley, of the San Jacinto River floodplain along the Ramona expressway near Lakeview. Comment
  SD73475  Navarretia prostrata Earl W. Lathrop 1969-5-19 7053 Riverside Sanat Ana Mountains: 8 miles west of Murrieta, Mesa de Colorado of the Santa Rosa Plateau Comment
  UCR92163  Nemacladus longiflorus var. longiflorus D. L. Banks, Steve Boyd 1995-5-3 222 Riverside Agua Tibia Mtns Watershed, Cleveland National Forest, Agua Tibia Wilderness Area, N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, along lower alluvial benches of Arroyo Seco 512 Comment
  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
  JEPS5487  Nemacladus ramosissimus Rimo Bacigalupi with G. T. Robbins 1954-5-16 4464 Riverside 11 mi s Hemet (St. Johns Grade, State Hwy 79, at junction of road to Red Mt) 792 Comment
  RSA85407  Nemacladus ramosissimus J. C. Roos, L. Roos 1952-4-28 5591 Riverside Box Springs Mtns. 396 Comment
  UCR281783  Nemacladus ramosissimus Mitch Provance, Matt K. Beyers, Jeremiah George, John Hazlett 2017-4-5 417- 106 Riverside Temescal Valley, Foothills of the Gavilan Range, ridge +- 0.5 miles NNW of Lake St. and Walker Canyon Rd. 543 Comment
  UCSB12634  Nemophila menziesii Whittington, M. 1962-3-17 Riverside Southwest of U.S. Highway 71; about 300 feet; by the Alberhill brickyard in Alberhill Comment
  SBBG64770  Nemophila menziesii var. menziesii M. N. Ackley -Mar-1922 391 Riverside Murrieta Hot Springs 398 Comment
  JOTR37063  Nicolletia occidentalis La Doux, Tasha, M. Harding, J. Heintz, D. Thomas 2015-4-23 3549 Riverside Joshua Tree National Park. Little San Bernardino Mountains, north of Eureka Peak road; along northward corridor with California Riding and Hiking Trail, sandy wash bottom with steep granite rocky slopes Comment
  CLARK-A1528-4353  Nicotiana bigelovii John C. Roos, Lucille Roos 1952-6-21 5783 Riverside Reche Canyon 685 Comment
  CHSC8439  Nicotiana clevelandii Edward L. Smith 1958-3-21 392 Riverside Little Santa Maria Mts. 6 mi s of Rice, near Priest's Well. 365 Comment
  UCR2914  Nicotiana glauca Nancy Atha 1963-3-24 32463- 8 Riverside Upper Santa Ana River/San Bernardino Valley region, Riverside, NW side of [Quarry Hill] at the corner of Madison St. and Victoria Ave 335 Comment
  UCR1549  Nicotiana quadrivalvis David L. Davis 1962-4-15 20 Riverside Upper Santa Ana River/San Bernardino Valley Region, Riverside, Sycamore Canyon, c. 1.5 mi south of Pennsylvania [=Martin Luther King] Ave., 0.5 mi east of Canyon Crest Drive 366 Comment
  JEPS62091  Nolina parryi W. L. Jepson 1901-5-25 1433 Riverside road from Van Deventer's to Coyote Creek Comment
  SD80949  Nolina parryi James Henrickson 1971-7-29 5575 Riverside 10 mi. SW of Twentynine Palms, 1 mi. N of Salton View, in hills 1280 Comment
  UCR194540  Nolina parryi A. C. Sanders 2008-7-25 35914 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, along Bonita Vista Rd. at foot of hills 1580 Comment
  UCR168371  Nolina parryi subsp. wolfii P. H. Raven 1959-5-18 14246 Riverside Peninsular Ranges; San Jacinto Mountains, 0.9 miles south of Mountain Center on road [Hwy 74] to Aguanga 1433 Comment
  CHSC8539  Oenothera Edward Laidlaw Smith 1958-3-21 382 Riverside 6 mi. s. Rice near Priest's Well. Little Santa Ana Mt. Range. Colorado River drainage area. 365 Comment
  RSA0034828  Oenothera bistorta var. hallii Norman C. Cooper 1944-3-24 2001 Riverside Banning. 701 Comment
  RSA0119576  Oenothera californica John F. Green 2015-6-23 615 -01 Riverside Peninsular Range: San Jacinto Mnts. Region: Anza Valley, east edge of town of Anza, vacant lot at NE side of intersection of Hwy 371 and west end of Burnt Valley Rd. 1226 Comment
  RSA146298  Oenothera californica subsp. californica William M. Klein, R. K. Benjamin 1960-3-22 1302 Riverside Along California State Hwy 74 approximatley 12 miles east of the junction of the Aguanga-Anza road. Comment
  UC873908  Oenothera californica subsp. californica P. A. Munz 1922-6-27 5845 Riverside Santa Rosa Santa Rosa Mts. 1981 Comment
  POM96475  Oenothera californica subsp. californica P. A. Munz 1926-4-30 10375 Riverside Near Temecula. Comment
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Nov 17 2009
  RSA0004528  Oenothera decorticans var. condensata P. A. Munz 1926-1-31 9960 Riverside Dos Palmos Spring, Colorado Desert Comment
  SBBG61311  Oenothera deltoides R. C. and J. R. Robbins 1933-2-16 Riverside Palm Springs-Indio Rd, near La Quinta Comment
  UCSB4444  Oenothera deltoides subsp. deltoides Gill, Robert 1960-3-23 Riverside About 1 mile up Snow Canyon from road to Palm Springs, San Jacinto Mt. Range 396 Comment
  RSA747802  Oenothera deltoides var. deltoides Justin M. Wood 2009-3-26 402 Riverside [Coachella Valley:] Bermuda Dunes; Avenue 38, between Washington St and I-10. 37 Comment
  UCR178162  Oenothera elata John F. Green, M. D. Wilcox 2003-7-15 s.n. Riverside San Jacinto Mtns., on powerline trail, picnic area at Juan Diego Flats, NW of Cahuilla Mountain 1220 Comment
  RSA600664  Oenothera elata subsp. hirsutissima Louis C. Wheeler 1949-8-24 6752 -b Riverside Riverside. Comment
  CLARK-A1528-513  Olneya tesota C. W. Tilforth 1967-6-5 120 Riverside Blythe Comment
  SBBG3753  Olneya tesota M. A. Piehl 1959-7-26 59460 Riverside US Hwy 60, 70 ca. 42 mi E of Indio Comment
  UCR235512  Oncosiphon piluliferum R. E. Riefner Jr. 2011-5-31 11- 61 Riverside French Valley, immediately northeast of Hwy 79 and the intersection with Algarve Avenue 415 Comment
  UCR240168  Oncosiphon piluliferum R. E. Riefner Jr. 2012-4-30 12- 82 Riverside city of Lake Elsinore, south side of Alberhill Creek, west of Hwy 74, vicinity of Bromley Ave. and Baker Street 380 Comment
  UCR26903  Oncosiphon piluliferum Polly Schiffman 1981-5-19 021 Riverside Lake Perris State Recreation Area, Moreno Beach Road, 1.75 mile south from northern entrance gate 488 Comment
  SEINET224227  Opuntia munzii Clarence Bonner 1960-12-25 Riverside Chuckwalla Well, south side, in the Little Chuckwalla Mountains 305 Comment
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Mar 12 2016
  RSA508241  Opuntia parryi E. W. Lathrop 1977-7-13 7688 Riverside Bedford Truck trail of the Cleveland National Forest. At base of Bedford Canyon. Trabuco District. 457 Comment
  POM278510  Opuntia polyacantha var. erinacea H. G. Rush 1950-5-10 123 Riverside 5 miles NW of Nightingale along Palms to Pines Hwy.; Santa Rosa Mts. 1463 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
  JEPS12904  Orobanche cooperi P. A. Munz, D. Keck 1922-4-13 4960 Riverside Colorado Desert, s base of Eagle Mountains Eagle Mountains; Colorado Desert, Eagle Mountains 213 Comment
  JEPS85938  Orobanche cooperi L. R. Heckard with R. Bacigalupi 1977-3-15 4523 Riverside along Rice Rd. ca. 16 mi. n.e. Desert Center Comment
  UC1324937  Orobanche cooperi H. U. Stauffer and R. F. Thorne 1964-5-5 5924 Riverside 6.5 km s of Morongo Valley (4.8 km s of County border) 550 Comment
  CAS-BOT-BC502789  Orobanche cooperi Elizabeth McClintock 1964-4-8 s.n. Riverside East of Indio Comment
  RSA0076581  Orobanche cooperi Gary Wallace 1967-4-29 721 Riverside NE of the Coxcomb Mtns., 15 mi NE of Desert Center along Parker Dam Hwy. Comment
  CAS-BOT-BC502863  Orobanche cooperi subsp. cooperi Ira L. Wiggins 1941-3-24 9589 Riverside On E side of Salton Sea, 1 mi N of Imperial County Line Comment
  SEINET270934  Orobanche corymbosa Richard J. Shaw 1958-5-10 1110 Riverside 3 miles above Palm Desert. Palms to Pine Highway. 610 Comment
  RSA662186  Orthocarpus purpurascens Dolores Perez 1981-4-11 23 Riverside Cajalco Rd., S. of Lake Matthews. Comment
  RSA618169  Oxalis albicans subsp. californica D. L. Banks 1997-5-5 2017 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek., East of where the road crosses to the southern bank of the south fork of Pechanga Creek. 427 Comment
  SD152795  Oxalis californica Steve Boyd 1992-4-14 6873 Riverside Santa Ana Mtns, San Mateo Wilderness Area. Bluewater Cyn along Bluewater Tr. Downstream to the confluence with San Mateo Creek 334 Comment
  UCR217526  Oxytheca caryophylloides Jeff B. Galvin 2010-6-17 136 Riverside San Jacinto Mtns, Black Mountain trail. c. 1/2 mile east of Hwy 243 and 1/2 mile north-northeast of Bay Tree Spring 1728 Comment
  UCR146126  Oxytheca emarginata Michael Denslow, Firoozeh Navid- Ara, Valerie Soza 2003-7-15 1452 Riverside Peninsular Ranges; San Jacinto Mountains, Northeast of South Ridge trailhead, east of Idyllwild 2012 Comment
  RSA434258  Paeonia californica N. C. Cooper 1947-4-5 2025 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  CAS-BOT-BC327899  Palafoxia arida Ira L. Wiggins 1941-3-24 9573 Riverside Along eastern side of Salton Sea, 2.7 miles S of Mortmar Comment
  CAS-BOT-BC327935  Palafoxia arida P. A. Munz; R. D. Harwood 1920-4-2 3586 Riverside Blythe Juc. 365 Comment
  SEINET10799066  Palafoxia arida David B. Dunn 1946-3-15 Dunn 2038 Riverside Collected on dry plateau in vicinity of Pushawalla Canyon, Indio Hills. Comment
  POM363740  Palafoxia arida var. arida B. C. Templeton 1931-4-9 s.n. Riverside North of Palm Springs Comment
  RSA0043062  Palafoxia arida var. arida Jim Andre 2014-1-27 26663 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
  UC306389  Palafoxia arida var. arida S. B. Parish 1919-3-27 19194 Riverside Palm Canyon Colorado Desert, Palm Springs 243 Comment
  UCR33541  Palafoxia arida var. arida Sears 1977-10-10 S 514 Riverside Sonoran (Colorado) Desert, 6.1 mi NE of Desert Center on Hwy 177 Comment
  SEINET11810387  Palafoxia linearis J. F. Bright, Wyman, C. 1933-1 8068 Riverside near Palm Springs Comment
  RSA614534  Papaver californicum A. C. Sanders 1997-5-4 20631 Riverside UTM 10km cell: NH-1E, 4N. Vista Grande. 1067 Comment
  VVC365  Papaver californicum A. C. Sanders, P. Jmac 1997-5-4 20631 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  SEINET273060 Image available Parietaria hespera A. C. Sanders 1997-3-26 20104 Riverside Lake Skinner area;along foot trail at W base of Tucalota Hills. UTM 10km cell: MH-9E 1N. Skinner Reser. 518 Comment
  SD126619  Parietaria hespera var. californica Ed LaRue 1989-4-12 Riverside Midway between Mead Valley and March Air Force Base. 518 Comment
  RSA359884  Parietaria hespera var. californica Steve D. Boyd 1986-4-2 1596 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  GMDRC5836  Parietaria hespera var. hespera J. M. Andre 2013-3-27 24815 Riverside Riverside Mountains: east side of Riverside Mountains, along Hwy 95, 13.2 mi. south of Vidal Jct 126 Comment
  UC1929823  Parietaria hespera var. hespera Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10475 Riverside Peninsular Ranges, San Jacinto Mountains / Colorado Desert; East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  JOTR32325  Parkinsonia florida 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
  SBBG68552  Parkinsonia florida M. N. Ackley -Apr-1928 608 Riverside Coral Reef Ranch, Coachella Valley -12 Comment
  UCR167256  Parkinsonia florida 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
  RSA343107  Paspalum dilatatum R. F. Thorne, Walter Wisura, Earl Lathrop, Sara Meury 1985-5-18 60646 Riverside Santa Rosa Plateau: Mesa de Colorado 625 Comment
  UCR128940  Pectis papposa Chris E. True, K. Flemming 2003-9-26 s.n. Riverside Sonoran (Colorado) Desert, Canyon Spring, Orocopia Mtns. 372 Comment
  CAS-BOT-BC355871  Pectis papposa var. papposa R. F. Hoover 1966-10-15 10174 Riverside Bighorn Drive, San Jacinto Mts. Comment
  RSA0123297  Pectocarya heterocarpa Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 8982 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
  SD185171  Pectocarya heterocarpa A. C. Sanders, G. K. Helmkamp and P. J. MacKay 1995-3-12 16085 Riverside Santa Rosa Mountains, at the foot of Rabbit Peak, below Sheep Canyon. 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
  UCR155081  Pectocarya linearis A. C. Sanders, Kelly Volansky 2005-3-17 29222 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
  RSA0119882  Pectocarya peninsularis Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9097 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.75 air miles southeast of the summit of Martinez Mountain. 550 Comment
  JOTR33972  Pectocarya recurvata La Doux, Tasha, M. Harding 2010-4-7 2860 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  RSA501012  Pectocarya recurvata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3131 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  RSA757638  Pectocarya setosa LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4316 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
  RSA750884  Pelargonium denticulatum T. B. Salvato 2007-10-10 3068 Riverside Riverside, residence at 1009 Bascomb Drive 305 Comment
  UCR90968  Pellaea andromedifolia Scott D. White 1996-2-18 3807 Riverside Perris Basin, Double Butte, NW of Winchester, SE-facing slope of west butte and alluvial soil at base 490 Comment
  SEINET3873279  Pellaea mucronata T. B. Salvato, John F. Green 2004-5-27 626 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. (Forest Falls 7.5' Q.).; 0 1402 Comment
  UCR158640  Pellaea mucronata S. J. Myers 1993-1-22 s.n. Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau, SW of Mesa de Colorado, Carancho Rd. at Tortuga Rd. 396 Comment
  RSA736557  Pennisetum setaceum Scott D. White, Angelia Carey 2004-7-2 10576 Riverside Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  POM12004  Penstemon centranthifolius Philip A. Munz, I. M. Johnston 1922-5-6 5195 Riverside Covington Ranch, Morongo Pass. 762 Comment
  UCR24780  Penstemon centranthifolius W. W. Mayhew 1981-4-23 s.n. Riverside Santa Rosa Mtns, Near the intersection of Carrizo Road and Hwy 74 1052 Comment
  RSA0014870  Penstemon clevelandii var. connatus N. R. Zabriskie, W. M. Zabriskie 1971-4-9 369 Riverside Deep Canyon south of Hwy 74. c. 2 mi. up water service road below crossing, north slope Santa Rosa Mts. 1311 Comment
  RSA402131  Penstemon labrosus N. C. Cooper 1944-7-15 1588 Riverside Palms to Pines Highway, San Jacinto Mountains. 1372 Comment
  SEINET10376031 Image available Penstemon rostriflorus Gary Wallace, D. Wilken 1966-7-3 633 Riverside East end of the San Jacinto Mountains up Thomas Mountain Road Comment
  RSA0014858  Penstemon rostriflorus Gary D. Wallace, D. H. Wilken 1966-7-3 633 Riverside East side of San Jacinto Mtns, up Thomas Mts. Rd. Comment
  RSA0014860  Penstemon rostriflorus N. C. Cooper 1949-6-29 4279 Riverside Palms to Pines Highway. 1220 Comment
  SEINET4097936  Penstemon spectabilis C. Davidson 1975-1 2805 Riverside About 4 miles south of Banning on road R1 to Idyllwild. 1127 Comment
  RSA583741  Penstemon spectabilis var. spectabilis Steve D. Boyd 1995-4-24 8490 Riverside Palomar Range, Agua Tibia Wilderness Area, northeastern base of Wildhorse Peak, west of Devil's Hole, along the Wildhorse Trail near the rounded gabbro peak known as ''Agua''. 762 Comment
  RSA586122  Penstemon spectabilis var. spectabilis D. L. Banks 1995-4-11 165 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, along the Dripping Springs Trail. 646 Comment
  RSA562425  Pentachaeta aurea D. E. Bramlet 1993-4-26 2335 Riverside Peninsular Range Temecula, c. 4 km south of intersection of Pauba Rd & Butterfield Stage Rd, 46-300 m west of Butterfield Stage Rd. 372 Comment
  UCSB3815  Peritoma arborea Gray, Caroline 1956-4-14 Riverside 1 mi. south of southern entrance of Joshua Tree National Monument Comment
  CAS-BOT-BC77476  Peritoma arborea var. angustata David Dreyer 1968-4-9 s.n. Riverside 3 miles north of Desert Hot Springs 365 Comment
  HSC3889  Peritoma arborea var. angustata R. K. Brennan 1966-4-9 50 Riverside Yucca mesa, 5 mi. NW of Joshua Tree National Monument 762 Comment
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May 5 2014
  CAS-BOT-BC332707  Perityle J. Von Loh 1978-1-23 3299 Riverside About 12 mi SW of Blythe 121 Comment
  CAS-BOT-BC355986  Perityle emoryi Carl B. Wolf 1932-4-27 3050 Riverside Colorado Desert. 1 mi. off Mecca - Blythe Road. Lower end of Lost Palms Canyon at 1st. rocky hills 243 Comment
  PASA1570  Perityle emoryi 1926-2-21 Riverside Thousand Palms Comment
  POM305614  Perityle emoryi Henry J. Ramsey, Henry J. Ramsey 1937-3-2 903 Riverside Desert center, Mojave Desert Comment
  RSA736585  Perityle emoryi Keith E. Hoffmaster 1933-4-14 369 Riverside Tahquitz Canyon.Fern Valley, San Jacinto Mtns Comment
  RSA45532  Petalonyx linearis J. C. Roos, L. Roos 1949-4-6 4143 Riverside SE foot of Orocopia Mts, 2.5 miles NE of Dos Palmos Springs Comment
  POM2691  Petalonyx thurberi J. S. Chase 1916-04 s.n. Riverside Palm Springs. Comment
  RSA444948  Petalonyx thurberi Anstruther Davidson 1903-5-1 s.n. Riverside Thermal Comment
  SD229205  Petalonyx thurberi subsp. thurberi Dick Schwenkmeyer 2012-11-6 860 Riverside Palm Canyon, Ague Caliente Indian Reservation, 2.6 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 178 Comment
  SD67610  Petalonyx thurberi subsp. thurberi Victor Duran 1933-7-3 3500 Riverside Coachella Valley at Deep Canyon. Frequent in washes and on the desert floor. Comment
  UCR211728  Petunia parviflora Fred M. Roberts 2005-5-19 6203 Riverside Perris Basin, San Jacinto Valley, city of San Jacinto, east of Sanderson Road and south of the Ramona Expressway, 2.6 km south-southwest of Gilman Hot Springs 446 Comment
  UCR227006  Peucephyllum schottii Jim Andre 2011-2-2 16237 Riverside Coachella Valley, mouth of Big Morongo Wash, 1 mi east of Hwy 62, just north of North Indian Canyon Road, west of Desert Hot Springs, 7.5 mi north of Hwy I-10 487 Comment
  UCR43489  Peucephyllum schottii R. F. Thorne, W. A. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54079 Riverside San Bernardino Mtns., Branch ravine running W from Whitewater Canyon, west of road and c. 3.2 miles north of hwy 10 and Whitewater P.O. 610 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
  CLARK-A1045-211  Phacelia campanularia George K. Helmkamp 1979-4-18 Riverside Indio Hills along Dillon Road; Lost Horse Mtn. 15'Q Comment
  JOTR35279  Phacelia campanularia subsp. vasiformis Andre, Jim 2012-4-16 20979 Riverside Joshua Tree National Park. along Cottonwood Spring Road, approx. 6 mi. south of the North Entrance at Twin Tanks parking area. 1196 Comment
  RSA23218  Phacelia campanularia subsp. vasiformis Ernest Braunton 1940-4-3 2010 Riverside 25 miles Northeast of Indio. Comment
  CLARK-A1528-2995  Phacelia cicutaria John C. Roos 1965-6-19 Riverside Santa Ana Mountains Comment
  UCR172786  Phacelia cicutaria var. hispida Wayne Law, Jun Hu 2000-5-16 16 Riverside Peninsular Ranges; Santa Ana Mtns., Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi south of Corona 396 Comment
  UCR250565  Phacelia cicutaria var. hispida A. C. Sanders 2014-4-25 41066 Riverside Peninsular Range, Temescal Canyon, Richland property between Horsethief Canyon Rd and Hostettler Rd., SW of I-15 392 Comment
  SBBG25049  Phacelia crenulata D. Myrick 1966-4-1 1316 Riverside Desert Hot Springs, adjoining Linda Vista Lodge Comment
  SFV5027  Phacelia crenulata F. M. Ball 1964-1-4 s. n. Riverside Colorado Desert Wide bench on right side of Rt. 74 to Hemet, about 7 miles south of Palm Desert. 335 Comment
  RSA0043224  Phacelia crenulata var. ambigua Duncan S. Bell 2010-4-2 694 Riverside Arica Mountains: collecting along the ridgeline of the mountain range about 0.3 air mile north of the summit. 561 Comment
  UCR124004  Phacelia crenulata var. ambigua George K. Helmkamp, E. A. Helmkamp 2001-4-14 6465 Riverside Coachella Valley, Indio Hills, 1.4 mi north of Ramon Rd on Avita Rd (Avita is 2.8 mi east of I-10) 46 Comment
  RSA314615  Phacelia distans Robert F. Thorne, Mrs. Raymond Fosberg, M. H. Sachet, Derral Herbst 1983-4-23 55483 Riverside San Bernardino Mountains: Whitewater River where road crosses river below fish hatchery, ca. 4 miles north of Whitewater Post Office. 640 Comment
  RSA426072  Phacelia distans E. A. McGregor 1966-3-21 s.n. Riverside Coachella Valley, San Diego County. [Riverside Co] Comment
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Mar 4 2009
  RSA483607  Phacelia distans D. Charlton 1988-5-21 1940 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on Hwy 74 1677 Comment
  SEINET3091700 Image available Phacelia distans B. Pitzer 1998-1-24 3382 Riverside N foot of Chuckwalla Mts, Eagle Mt Rd, S side of Hwy I-10, 0.8 mi S of Hwy at powerline rd & wash directly S of rd. 500 Comment
  UC1069256  Phacelia distans H. S. Yates 1937-3-23 6393 Riverside 2 mi n Palm Springs; San Jacinto Quadrangle Comment
  UC1069257  Phacelia distans H. S. Yates 1937-3-23 6437 Riverside 15 mi nne Mecca; Thermal Quadrangle Comment
  UCR269765  Phacelia distans A. C. Sanders, Jim Malusa 2016-3-18 42367 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  VVC267  Phacelia distans A. C. Sanders 1997-5-4 20641 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  UCR164936  Phacelia imbricata T. B. Salvato, John F. Green 2004-5-27 620 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
  JEPS2097  Phacelia ivesiana E. E. Schellenger May 1920 Riverside e Coachella; Colorado Desert Comment
  RSA60725  Phacelia minor Frank W. Gould 1944-4-4 2212 Riverside 9 miles southeast of Temecula on highway 71. Comment
  RSA715757  Phacelia minor A. C. Sanders 2005-4-22 29606 Riverside Gavilan Hills: Gavilan Plateau ca. 0.75 air mi. SE of summit of Gavilan Peak. 625 Comment
  RSA736702  Phacelia minor Scott D. White 2004-4-26 10247 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. 518 Comment
  SDSU18779  Phacelia minor C. Matt Guilliams 2008-2-13 453 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
  SEINET3091898 Image available Phacelia minor B. Pitzer, L. LaPre 1987-3-2 441 Riverside Bundy Canyon, ca. 2 mi. SE of Lake Elsinore and 0.5 mi. N of Bundy Canyon Rd. off Raciti Rd. (Romoland 7.5' quad). Comment
  UCR162879  Phacelia minor T. B. Salvato, Kelly Volansky 2003-3-27 123 Riverside Santa Ana Mtns, foothills at edge of Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 396 Comment
  SEINET3091923 Image available Phacelia ramosissima Scott White 1991-5-10 91 -130 Riverside Hwy 79, immediately W of U. S. Forest Service Campground at Dripping Springs. Comment
  LA205628  Phacelia ramosissima Elizabeth McClintock; 1936-7-19 s.n. Riverside SAN JACINTO MOUNTAINS, Idyllwild. Comment
  RSA645684  Phacelia ramosissima var. latifolia Scott D. White 1999-5-24 7374 Riverside Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5 - 2 mi W of I-215 freeway. 442 Comment
  UCR196007  Phalaris caroliniana R. F. Thorne, M. Z. Thorne, W. Wisura 1978-5-21 51994 Riverside Santa Rosa Plateau, Mesa de Colorado 610 Comment
  UCR26337  Phalaris lemmonii John C. Roos 1966-3-24 s.n. Riverside Winchester (near Hemet) 457 Comment
  UCR97271  Phalaris lemmonii Scott D. White 1993-4-25 1272 Riverside Peninsular Range; Perris-Aguanga Basin Region, Vernal Pool ('Bramlet's') on California Ave. between intersection of Stetson and RR crossing 450 Comment
  UCR225735  Phalaris minor A. C. Sanders, T. B. Salvato 2011-3-30 38893 Riverside Peninsular Range; Elsinore Trough, city of Lake Elsinore, Baker St. c. 100 m NW of Hwy 74/Riverside Dr. 381 Comment
  UCR17524  Philadelphus microphyllus subsp. pumilus Frank C. Vasek 1979-7-26 s.n. Riverside Santa Rosa Mtns, Vicinity of Virgin Spring and Stump Spring 2348 Comment
  UCR260960  Phoenix canariensis Duncan S. Bell 2013-1-30 4446 Riverside Sonoran (Colorado) Desert, the Mecca Hills, an unnamed canyon between Thermal Canyon and Painted Canyon, just to the southwest of Mecca Hills Peak 1642 103 Comment
  UCR17031  Pholisma arenarium Anonymous 1969-5-25 5 Riverside Southern Mojave Desert, 8 mi from entrance of Joshua Tree Natl. Monument on road from town of Joshua Tree, sandy wash 2.5 mi north of the road 1250 Comment
  POM3518  Pholistoma auritum Robinson, Crocker 1916-3-29 s.n. Riverside Santa Ana Mountains, canyons near Murietta. Comment
  CLARK-A1656-703  Pholistoma membranaceum Theo Glenn 1979-2-11 Riverside San Jacinto Mountains Comment
  JEPS1862  Pholistoma membranaceum Samuel B. Parish 1882-1 Riverside Cabezon Colorado Desert, Cabezon Comment
  POM47496  Pholistoma membranaceum Mary F. Spencer 1920-4-4 1583 Riverside Near Palm Springs; Colorado Desert. 1220 Comment
  RSA0123183  Phoradendron bolleanum Duncan S. Bell, LeRoy Gross 2016-3-30 9171 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  RSA15520  Phoradendron californicum L. S. Rose 1935-12-19 s.n. Riverside Palm Springs. 138 Comment
  RSA713978  Phoradendron californicum A. C. Sanders, J. Andre, P. J. MacKay, Tim Thomas 2005-2-26 29129 Riverside Sonoran (Colorado) Desert: SE of Hwy 117 towards dunes above Palen Dry Lake, SE end of Coxcomb Mtns. 168 Comment
  UCR96817  Phoradendron californicum Bern Schwenn 1994-4-1 s.n. Riverside Sonoran (Colorado) Desert, Eagle Mountains, Hayfield Spring on the south side of the range. 700 Comment
  UCSB1315  Phoradendron californicum Sturdy, C. 1957-4-21 Riverside 10 mi East of Coachella on route 60 60 Comment
  CAS-BOT-BC135185  Phoradendron juniperinum Frank G. Hawksworth 1965-5-6 744 Riverside San Santa Rosa mountains, N side Toro Mountain 2407 Comment
  RSA97448  Phoradendron pauciflorum F. W. Peirson 1924-7-27 4992 Riverside on Abies concolor; Dark Canyon. 2515 Comment
  RSA784952  Physalis crassifolia Duncan S. Bell 2012-2-12 3110 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  UCR227001  Physalis crassifolia Jim Andre 2011-2-2 16222 Riverside Coachella Valley, mouth of Big Morongo Wash, 1 mi east of Hwy 62, just north of North Indian Canyon Road, west of Desert Hot Springs, 7.5 mi north of Hwy I-10 487 Comment
  UCSB44693  Physalis crassifolia Hibbard, Doug 1977-5-14 Riverside Off east side of Hwy 74, 3.3 miles from its intersection with Hwy 111 280 Comment
  RSA0031608  Pinus contorta subsp. murrayana Rudolf Schmid, Mena Schmid 2009-5-3 2009 -7 Riverside San Jacinto Mtns., Tahquitz Peak. Just right (as ascending) of South Ridge Trail to Tahquitz Peak. 2628 Comment
  CAS-BOT-BC78434  Pinus contorta var. latifolia Carl B. Wolf 1932-8-5 3984 Riverside San Jacinto Mts., Summit of San Jacinto Peak 3293 Comment
  NY49929  Pinus contorta var. murrayana S. B. Parish 07 1880 336 Riverside San Jacinto Mountain Comment
  SD136360  Pinus flexilis Reid Moran 1973-7-28 21110 Riverside summit of Toro Peak 2500 Comment
  CAS-BOT-BC73140  Pinus lambertiana S. B. Parish; W. F. Parish 1881-1-1 383 Riverside San Jacinto Mts. Comment
  SEINET10866944  Pinus lambertiana L. S. McClung 1939-10-22 McClung UMO 46557 Riverside Collected on the trail up Taquitz Peak from Idylwild, in the San Jacinto Mts of southern Calif. 2591 Comment
  JEPS47935  Pinus monophylla W. L. Jepson 1916-5-18 6034 Riverside Pinyon Well Canyon, n borders Colorado Desert Pinyon Well Canyon; Colorado Desert, Cottonwood Mts., Pinyon Well Canyon Comment
  SBBG99806  Pinus monophylla W. L. Halvorson 1977-4-4 77 -236 Riverside transition from desert to Joshua Tree Nat Monument 1219 Comment
  CAS-BOT-BC79091  Pinus quadrifolia Munz; Johnston 1922-5-20 5492 Riverside Head of Hemet Valley, San Jacinto Mts. 1524 Comment
  RSA30442  Pinus quadrifolia Ellsworth Bethel 1918-5-21 s.n. Riverside Nigger Jim Hill, 35 mi. e. of San Jacinto, California. Comment
  UC1931138  Pinus quadrifolia Scott D. White, Justin Wood 2008-6-17 12190 Riverside San Jacinto Mountains: Morris Ranch Road - open area west of Goff Flat. (Palm View Peak) Comment
  UCR135821  Pistia stratiotes A. C. Sanders, C. L. Sanders, D. L. Sanders 2004-5-23 27963 Riverside Sonoran (Colorado) Desert, Coachella Valley, northeast end of the Salton Sea, near end of Johnson St. -70 Comment
  UCR263233  Plagiobothrys arizonicus A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41457 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
  RSA691055  Plagiobothrys canescens Scott D. White, Michael Honer 2003-4-9 8971 Riverside Northeast corner of Devonshire Ave. and Warren Road, immediately southwest of Tres Cerritos. Former chicken farm. 473 Comment
  RSA752560  Plagiobothrys canescens Justin M. Wood 2009-3-3 324 Riverside City of Murrieta, south of Tanaja bridge and west of Murrieta Creek. 341 Comment
  RSA746813  Plagiobothrys collinus Michael Honer 2003-4-16 1831 Riverside Gavilan Hills, W slope: about 1 mile N of I-15 freeway, 1 mile E of Lake St. exit. On and around peak 2349 640 Comment
  UCR171894  Plagiobothrys collinus John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, Temecula, Southern California Edison right of way between residential areas, N-S corridor between S General Kearny Road and La Serena Way; east of Veterans Park 366 Comment
  RSA661316  Plagiobothrys collinus var. californicus Mitch Provance 1998-4-10 410 Riverside E facing slopes of hills at W extreme of Cypress Ave. 305 Comment
  RSA667132  Plagiobothrys collinus var. californicus A. C. Sanders, Carolyn Washburn 2001-5-10 24232 Riverside 1 mi. S. of Winchester on the east side of Hwy 79 (Winchester Rd.) just S of Patton Ave. 488 Comment
  UCR250380  Plagiobothrys collinus var. californicus A. C. Sanders, John F. Green 2014-4-4 40969 Riverside Peninsular Range; Elsinore Trough, Temescal Canyon, south of I-15 Freeway, 750 m SE (143 deg. ) of the Horse Thief Canyon Rd. intersection 396 Comment
  SDSU13955  Plagiobothrys collinus var. fulvescens Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2092 Riverside Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 671 Comment
  UCR260601  Plagiobothrys collinus var. fulvescens A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-1 41544 Riverside Peninsular Range, Eastern Foot of Santa Ana Mtns., Temescal Canyon, south side of Indian Truck Trail along Temescal Canyon Road 349 Comment
  CLARK-A1045-64  Plagiobothrys nothofulvus George K. Helmkamp 1979-4-27 Riverside Santa Ana Mountains head of De Luz Creek; Wildomar 7.5'Q Comment
  JEPS68135  Plagiobothrys tenellus W. L. Jepson 1901-5-19 1308 Riverside Strawberry Valley Mt. San Jacinto 1676 Comment
  RSA747866  Plagiobothrys tenellus Justin M. Wood 2009-5-11 703 Riverside McMullen Flat area, 0.35 N on Valley Hi Dr, from intersection w/ Twin Pines Rd. 1195 Comment
  UCR113198  Plagiobothrys tenellus A. C. Sanders 1998-3-11 21662 Riverside Shipley/Skinner Reserve area, North Domenigoni Hills, north of Diamond Valley, looking down on San Jacinto Valley between ends of Warren Rd. and Sanderson Ave. 610 Comment
  UCR138141  Plagiobothrys tenellus D. L. Banks, V. W. Steinmann 1997-3-13 1447 Riverside NW Palomar Mtns, Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation in the hills south of the intersection of Marge Place and Tehachapi Pass (S of Redhawk Parkway) 378 Comment
  CLARK-A1045-154  Plagiobothrys undulatus George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains vernal pools near origin of creek; Wildomar 7.5'Q Comment
  RSA251158  Plagiobothrys undulatus P. A. Munz 1941-5-18 16662 Riverside north end of Santa Rosa Ranch, Elsinore Mountains. 854 Comment
  RSA234038  Plantago bigelovii subsp. californica Robert F. Thorne, E. W. Lathrop 1969-5-12 37943 a Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California. 625 Comment
  RSA543869  Plantago bigelovii subsp. californica Steve Boyd, D. Bramlet 1991-5-13 6230 Riverside Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. N of Santa Fe RR tracks, W of San Diego aqueduct. Comment
  UCR281120  Plantago elongata Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 24 Riverside Elsinore Trough, Periodic eastern shoreline of Lake Elsinore (e.g. 1994), in the City of Lake Elsinore, +- at the borderline with the Sedco Hills Neighborhood of the City of Wildomar, in open space along west side of Mission Trail at Lewis St. 387 Comment
  RSA769497  Plantago erecta Justin M. Wood 2010-3-19 1425 Riverside Beaumont: Near Smith Creek, E of Sun Lakes off S Highland Home Rd. 747 Comment
  SD227866  Plantago lanceolata Scott D. White 1997-5-18 5157 Riverside Vista Grande area: Just W of USFS Vista Grande Fire Station (i.e. Hwy 243 ca. 10 road miles SE of Banning). 1477 Comment
  RSA412580  Plantago major H. de Forest, Jack Rempel 1933-10-29 18684 Riverside Snow Creek Canyon. 549 Comment
  RSA640317  Plantago major Louis C. Wheeler 1931-7-30 s.n. Riverside Fairmount Park. Comment
  JEPS30093  Plantago ovata Lewis S. Rose 1962-3-2 62008 Riverside La Quinta 3 Comment
  SEINET8369613  Plantago ovata K. L. Chambers 1973-3-19 3635 Riverside Hwy. 195, east of Box Canyon and 3.0 miles s.w. of junction with Hwy. 60; from Orocopia Mtns. Comment
  RSA720467  Plantago patagonica Naomi Fraga, Tim Thibault 2006-5-16 1673 Riverside ca. 2.5 miles up Morris Ranch Road near its intersection with a locked FS road west of Goff Flat. 1585 Comment
  UCR241001  Platanus racemosa Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 22 Riverside South Coast/Peninsular Range, Riverside, Sycamore Canyon, near the entrance to the park 396 Comment
  RSA612781  Platystemon californicus D. L. Banks, Victor W. Steinmann 1997-3-13 1421 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  UC167982  Platystemon californicus Katharine Brandegee and Charlotte M. Wilder May 12 1905-May 17 1905 10 Riverside Wilders near Riverside; near Riverside Comment
  UCR138836  Platystemon californicus D. L. Banks 1997-4-5 1682 Riverside Agua Tibia Mtns., NW Palomar Mountains: Agua Tibia Wilderness area. south of Dorland Mountain, just west of the Pechanga Indian Reservation boundary, at the headwaters of a tributary of the N fork of Pechanga Creek 793 Comment
  UCR172220  Platystemon californicus John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County; along San Diego Aqueduct right of way between Benton Road and the obvious drainage to the south 412 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
  SEINET7042762  Platystemon californicus W. P. Vestal, A. G. Vestal 1955-3-25 s.n. Riverside South end of Buck Road, Notheast of Long Valley, south southeast of Winchester. Comment
  RSA414080  Pleuraphis rigida Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  CAS-BOT-BC326576  Pleurocoronis pluriseta H. M. Hall 1905-5-1 5992 Riverside Hills near Indio, Colorado Desert Comment
  CAS-BOT-BC326642  Pleurocoronis pluriseta C. L. Hitchcock 1966-3-21 24339 Riverside At summit of pass through Sheep Hole Mountains about 40 miles south of Amboy Comment
  CAS-BOT-BC326644  Pleurocoronis pluriseta Carl B. Wolf 1932-4-27 3045 Riverside 1 mile off Mecca - Blythe Road, lower end of Lost Palms Canyon at 1st rocky hills, Colorado Desert 243 Comment
  UC1719671  Pleurocoronis pluriseta Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11218 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
  CAS-BOT-BC326539  Pluchea sericea C. F. Baker 1903-4-4 4148 Riverside Elsinore Comment
  CAS-BOT-BC326547  Pluchea sericea Herman Knoche 1919-6-1 592 Riverside Palm Springs Comment
  POM47179  Poa bigelovii Mary F. Spencer 1920-4-7 1553 Riverside Palm Canyon. 213 Comment
  UCR182098  Poa infirma Tom Chester 2005-4-26 595 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve: Jct. Torino and Tovashal Trails, ~0.2 miles (0.3 km) west of Clinton Keith Road near Visitor Center 548.2 Comment
  UCR217566  Polygala cornuta var. fishiae Jeff B. Galvin 2008-6-3 50 Riverside Peninsular Ranges, foothills of the Santa Ana Mountains, Just west of De Luz Creek, along Avocado Mesa Rd. 547 Comment
  RSA577524  Polypodium californicum Darin L. Banks, Steve Boyd 1995-2-16 50 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., S of the Dripping Springs Alcove, E of the Woodchuck Trail. 829 Comment
  SBBG55018  Polypodium californicum D. Keil, M. McLeod 1977-3-26 12005 Riverside 0.2 mi NW of Prado Dam on St Hwy 71 182 Comment
  SEINET10893974  Polypogon monspeliensis Alan A. Beetle 1942-4-23 Beetle 3190 Riverside Rt. 95, banks of Colorado River among Tamarix gallica 32 miles north of Blythe Comment
  IRVC159  Polystichum imbricans subsp. curtum R. H. Whittaker, W. A. Niering 1963-5-27 SJ 7 Riverside Hemet Hwy, between Hemet and Mtn Center. Peninsular Ranges, San Jacinto Mountains 1250 Comment
  POM49460  Populus X parryi M. French Gilman 1924-07 s.n. Riverside Side canyon of Snow Canyon. 610 Comment
  RSA500090  Populus fremontii Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-4-2 3219 Riverside Vail Lake area, riparian woodland area at N end of Kolb Creek, near campground. 457 Comment
  RSA0030758  Populus fremontii Ivan Johnston 1917-4-4 s.n. Riverside Palm Canyon. 457 Comment
  RSA599946  Porophyllum gracile L. C. Wheeler 1959-12-27 7635 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
  UC1929811  Porophyllum gracile Scott D. White 2001-3-13 8158 Riverside PERRIS / ELSINORE BASINS: Menifee / Sun City area. Valleys and slopes east of Canyon Lake and west of Goetz Rd. Comment
  UC420632  Portulaca oleracea F. M. Reed 1905-9-25 Riverside Riverside Comment
  SD136945  Potamogeton foliosus subsp. foliosus Steve Boyd 1994-10-14 8387 Riverside San Mateo Canyon Wilderness Area of the Clevelanmd National Forest. San Mateo Canyon at the confluence with Bluewater Canyon 328 Comment
  SEINET10542222  Potentilla anglica David B. Dunn 1947-10-9 Dunn 3532 Riverside Joshua tree national monument at campground area by hidden valley, comp. Comment
  SEINET9291376  Potentilla glandulosa Unknown 1976-5-3 Riverside Red Mountain Road. Comment
  UCR140652  Potentilla glandulosa Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 11- 78 Riverside San Jacinto Mtns, San Bernardino National Forest, 5 miles north of Idyllwild on Hwy 243, Site L11 1775 Comment
  UCR45120  Prosopis glandulosa L. F. LaPre 1986-9-25 s.n. Riverside Sonoran (Colorado) Desert, Cabazon Indian Reservation, adjacent to Southern Pacific R.R. tracks, c. 1 mi NW of Mecca, between Buchanan and Lincoln Sts., Coachella Valley 52 Comment
  RSA0041959  Prosopis glandulosa var. torreyana Duncan S. Bell, Loraine Washburn 2014-4-8 6587 Riverside Orocopia Mountains; at the entrance to Petra Canyon in Red Canyon, approximately 1 air mile north of the Bradshaw Trail. 398 Comment
  SBBG68559  Prosopis glandulosa var. torreyana M. N. Ackley 1928-3-25 613 Riverside Indio -6 Comment
  UC574978  Prosopis glandulosa var. torreyana C. Epling and Wm. Robison 1933-6-24 Riverside near Indio Comment
  UCD108225  Prosopis glandulosa var. torreyana G. H. Vansell 1928-4-1 s.n. Riverside S. Calif. and Coachella Valley. Comment
  RSA499286  Prunus emarginata E. C. Jaeger 1922-6-29 s.n. Riverside Tahquitz Valley. 2134 Comment
  JEPS44897  Prunus fremontii W. L. Jepson 1901-5-22 1377 Riverside Mount San Jacinto, Palm Canyon Palm Canyon; Mount San Jacinto, Palm Canyon Comment
  UC1128374  Prunus fremontii H. S. Yates 1937-3-24 6466 Riverside S of Pinyon Flat 975 Comment
  RSA704903  Prunus ilicifolia J. B. B. 1934-6-18 533 Riverside Snow Creek; base of San Jacinto. Comment
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Feb 16 2013
  UCR140659  Prunus virginiana var. demissa Randall T. Schuh, Cassis, Schwartz, Weirauch, Wyniger, Forero 2004-5-20 13- 88 Riverside San Jacinto Mtns, San Bernardino National Forest, 12 miles north of Idyllwild on Hwy 243 near Vista Grande, Site L13 1558 Comment
  CLARK-A1528-4851  Psathyrotes ramosissima John C. Roos 1947-2-1 3227 Riverside Painted Canyon Comment
  JEPS37148  Psathyrotes ramosissima W. L. Jepson 1927-4-12 11663 a Riverside Painted Canyon Mecca Hills Comment
  JOTR29378  Psathyrotes ramosissima La Doux, Tasha, Mike Bell 2006-5-10 1455 Riverside Joshua Tree National Park. East Deception Canyon Comment
  UC1176850  Psathyrotes ramosissima Lewis S. Rose 1959-1-12 59010 Riverside Cathedral City 121 Comment
  UC829345  Psathyrotes ramosissima Lewis S. Rose 1936-12-20 36795 Riverside 10 mi e Garnet (L. A. Aqueduct road) Comment
  RSA94086  Psathyrotes ramosissima F. W. Peirson 1918-03 1426 Riverside Between Palm Springs and Indio. Comment
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Feb 22 2009
  CAS-BOT-BC356598  Pseudognaphalium biolettii Carl B. Wolf 1932-2-11 2644 Riverside Santa Ana Mts., Hidden Canyon, 5 mi. West of Corona, base of Skyline Drive 405 Comment
  CAS-BOT-BC356664  Pseudognaphalium californicum Carl B. Wolf 1936-6-17 7952 Riverside Santa Ana Mts., along Ortega Highway, San Juan Canyon, 5/10 mi. E. of Orange Co. line 365 Comment
  UC31984  Pseudognaphalium stramineum H. M. Hall 1901-8-1 2609 Riverside wooded slopes and benchs of the s side San Jacinto Mountains 1615 Comment
  UCR121824  Pseudognaphalium stramineum A. C. Sanders, Mark Elvin, Jane Rodgers 2001-8-17 24599 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
  UCR178153  Pseudotsuga macrocarpa Tracy Tennant 1998-3-10 MOR- 1110 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, low hills on the south side of Wood Canyon near its mouth, tree stand W-5 1280 Comment
  CLARK-A1528-2068  Psilocarphus brevissimus John C. Roos 1937-5-10 2498 Riverside Lake Elsinore Comment
  UCR155087  Psilocarphus brevissimus A. C. Sanders, Kelly Volansky 2005-3-17 29232 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
  CAS-BOT-BC346358  Psorothamnus Marcus E. Jones 1903-5-8 s.n. Riverside Indio -7 Comment
  CAS-BOT-BC353579  Psorothamnus arborescens var. simplicifolius S. B. Parish 1907-4-23 6108 Riverside Palm Springs, western border of the Colorado Desert 150 Comment
  RSA771793  Psorothamnus arborescens var. simplicifolius Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4608 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UC863834  Psorothamnus arborescens var. simplicifolius Lewis S. Rose 1938-12-18 38322 Riverside Palms Springs Palm Springs (Sanby desert [sic]) 137 Comment
  RSA134875  Psorothamnus emoryi L. S. Rose 1959-1-9 59005 Riverside Palm Desert 30 Comment
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Aug 18 2010
  UCD108312  Psorothamnus emoryi Geoffrey Levin 1975-4-5 460 Riverside Jcn. Of Ramon Rd. and 1000 Palms Canyon Rd. 91 Comment
  UCR116819  Psorothamnus emoryi A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23950 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  UCR166008  Psorothamnus emoryi Nathan Moorhatch 2005-2-17 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, east edge of Santa Rosa Mtns., La Quinta, west of Washington St., between Ave. 48 and Lake La Quinta Dr., 4 acre parcel 37 Comment
  CAS-BOT-BC340906  Psorothamnus schottii Annie M. Alexander; Louise Kellogg 1941-5-17 2193 Riverside Colorado Desert. Near Dos Palmas Comment
  CAS-BOT-BC340911  Psorothamnus schottii E. E. Schellenger 1911-4-24 s.n. Riverside Colorado Desert. South of Palm Springs Comment
  JEPS41650  Psorothamnus schottii H. M. Hall Apr. 1905 5781 Riverside Coachella , Coachella (Colorado Desert) 152 Comment
  POM306772  Psorothamnus schottii Henry J. Ramsey, Henry J. Ramsey 1939-11-28 1625 Riverside 10 miles east of Indio. Comment
  POM6746  Psorothamnus schottii Philip A. Munz 1919-5-7 2749 Riverside Palm Springs. 183 Comment
  SEINET2063921 Image available Psorothamnus schottii Unknown 1965-3-7 Riverside Directly 3 miles E of Thousand Palms. 91 Comment
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Mar 22 2019
  UCSB3058  Psorothamnus schottii Yokoyama, Howard 1953-3-22 Riverside Morongo Canyon Comment
  POM11504  Pteridium aquilinum var. pubescens P. A. Munz 1922-7-7 6035 Riverside San Jacinto Mountains: Tamarack Valley 2805 Comment
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Sep 10 2009
  UC876176  Pterospora andromedea Mary F. Spencer 1923-7-30 2270 Riverside Idyllwild San Jacinto Mt. (Banning Rd) 1524 Comment
  SD136779  Pterostegia drymarioides Steve Boyd, Tim Ross, Dave Bramlet 1993-5-12 7326 Riverside San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches from confluence with Los Alamos Canyon downstream to confluence with Tenaja Canyon 366 Comment
  UCR199650  Pulicaria paludosa Justin M. Wood 2008-7-16 34 Riverside Perris/Elsinore Basin, Gavilan Hills at Temescal Wash, near Olsen Canyon, 'Morgan' property, Alberhill area 366 Comment
  UCR35104  Pyrola aphylla L. B. Ziegler 1966-6-28 071 Riverside San Jacinto Mountains, North Fork of the San Jacinto River (Dark Canyon), above Idyllwild-Banning Road 1677 Comment
  UCSB38763  Quercus X munzii Muller, Cornelius 1952-3-23 Riverside Live-oak Tank, Joshua Tree National Monument Comment
  CAS-BOT-BC61776  Quercus agrifolia W. R. Dudley; F. H. Lamb 1896-7-2 4781 Riverside Below Sespe Hot Springs Comment
  CLARK-A1528-4984  Quercus agrifolia J. B. Feudge 1930-4-4 2134 Riverside 701 Comment
  SEINET5466655 Image available Quercus agrifolia Richard Carter 1984-12-18 3855 Riverside Dripping Springs Campground. Comment
  UCR158949  Quercus agrifolia var. agrifolia A. C. Sanders, R. E. Riefner Jr. 2005-8-12 31544 Riverside San Jacinto Mtns., lower Bautista Canyon, 1.1 mi. above Forest Service boundary, 3.2 miles above retention dam at mouth 744 Comment
  RSA0026265  Quercus berberidifolia Fred M. Roberts 2013-6-7 7783 Riverside Peninsular Ranges: Santa Ana Mtns.: Tributary to Upper San Juan Canyon along Chiquito Basin Trail, 1.3 kilometers NNW Upper San Juan Campground. 524 Comment
  CAS-BOT-BC62439  Quercus chrysolepis H. M. Hall 1901-8-1 2641 Riverside Canyon of the San Jacinto River 1066 Comment
  UCR135711  Quercus cornelius-mulleri Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9022 Riverside Santa Rosa Mtns., c. 0.05 miles S on Santa Rosa Mt. Road from Hwy 74 1402 Comment
  JOTR00985  Quercus cornelius-mulleri Cole, James E. 1941-5-17 728 Riverside Joshua Tree National Park. COVINGTON FLAT CANYON 1402 Comment
  UCR189773  Quercus engelmannii Theresa Johnson 2006-10-10 289 Riverside Peninsular Ranges, Perris-Aguanga Basin, San Jacinto Wildlife Area, Potrero unit south side. 1.7 mi east of Lamb Canyon road. In steep ravine near air strip 630 Comment
  UCD14090  Quercus john-tuckeri Stephen K. Langer 1995-4-9 s.n. Riverside California, Kern Co.; Lockwood Valley Road, 3.6 mi. from junction with Frazier Mountain Road; Comment
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Aug 25 2013
  RSA645372  Quercus palmeri A. C. Sanders 1995-11-26 17925 Riverside Elder Creek drainage, NE of Tule Pk, between Aguanga & Anza, S of Hwy 371. Elder Crk Rd, 0.3 mi. W of Bonny Lane.[UTM: NH-2E, 0N Durasno Valley.] 1265 Comment
  SD121972  Quercus palmeri Ward B. Holt 1941-10-21 11 1941 Riverside Joshua Tree National Monument, near Split Rock Comment
  SDSU6994  Quercus wislizeni H. Wedberg 1962-7-28 988 Riverside 6 miles from Mountain Center on the road to Hemet. 914 Comment
  UCR166153  Quercus wislizeni T. B. Salvato, John F. Green 2004-5-27 561 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  RSA162838  Quercus wislizeni var. frutescens J. D. Olmsted 1959-4-17 403 Riverside Sugarloaf Peak along Main Divide Motorway 100yd. east of Radar station turnoff. Santa ana Mtns. 1128 Comment
  UCR116590  Rafinesquia californica A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24175 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, along Gibbel Rd. 0.5-0.75 mi. east of State St., between Silver Dew Dr. and Morse Girard St., slopes and wash below the mouth of Avery Canyon 549 Comment
  RSA339664  Rafinesquia neomexicana R. F. Thorne, C. W. Tilforth 1980-5-28 54216 Riverside Branch ravine running W from Whitewater Canyon, W of road and ca. 3.2 miles N of Hwy 10 and Whitewater P.O. 610 Comment
  UC827665  Ranunculus californicus P. A. Munz 1922-4-28 5019 Riverside 5 mi nw Corona 274 Comment
  CAS-BOT-BC378490  Ranunculus californicus var. californicus Robert F. Thorne; E. Lathrop; O. Clark; S. Carlquist 1968-4-18 37427 Riverside Santa Rosa Plateau; abundant in grasslands on Mesa Colorado near large vernal marsh, Rancho California 670 Comment
  POM12901  Ranunculus cymbalaria var. saximontanus P. A. Munz 1922-6-30 5897 Riverside Santa Rosa Mts.: Santa Rosa. 1982 Comment
  UCSB2431  Raphanus sativus Kamb, Peter 1948-2-1 Riverside Valley in the Jurupa Mts. west of Colton, San Bernardino/Riverside County 304 Comment
  UCR136163  Rhamnus californica subsp. tomentella A. C. Sanders 2004-6-20 28215 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. 305 Comment
  CLARK-A1528-802  Rhamnus crocea Stanley W. Austin 1969-5-15 42 Riverside Santa Ana Mountains 0 Comment
  UC1292574  Rhamnus crocea C. L. Hitchcock and C. V. Muhlick 1964-3-17 23094 Riverside 3 mi se Glen Ivy Hot Springs Comment
  UC1929485  Rhododendron occidentale Valerie Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1707 Riverside Peninsular Ranges; San Jacinto Mountains region; Fuller Mill Creek Picnic Area. 1524 Comment
  UCR23410  Rhus integrifolia John C. Roos 1944-1-29 2766 Riverside Box Springs Mtns. east of Riverside near Pigeon Pass 750 Comment
  RSA386392  Rhus ovata D. A. Young 1969-3-21 P- 364 Riverside 11 mile W of Elsinore, along Hwy 71. 244 Comment
  UC63999  Rhus trilobata H. M. Hall 1897-5-19 559 Riverside vicinity of Chalk Hill; San Jacinto Mountains Comment
  CAS-BOT-BC173143  Ribes indecorum A. C. Sanders; Mitch Provance; E. J. Lawlor 2000-1-23 23313 Riverside Lake Skinner area: summit of Black Mtn. 915 Comment
  RSA543195  Ribes indecorum Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6115 Riverside Vail Lake region, SW & W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  UCR112398  Ribes indecorum A. C. Sanders, Mitch Provance, E. J. Lawlor 2000-1-23 23313 Riverside Lake Skinner area, summit of Black Mtn. 915 Comment
  UCR77722  Ribes indecorum Steve Boyd 1991-3-17 5486 Riverside Jurupa Hills, north of Glen Avon. S flank, just west of Soto St to summit east of Pyrite Cyn. Comment
  UCR117671  Ribes malvaceum Scott D. White 1997-5-25 5229 Riverside San Jacinto Mtns, Bautista Canyon: Hixon Trail (USFS No. 2E43), between trailhead at Bautista Canyon Road and intermittent stream crossing at c. 3200 ft 976 Comment
  UC455588  Ribes montigenum I. J. Condit 1910-6-23 Riverside summit San Jacinto Mt. 3291 Comment
  SD229187  Ribes nevadense Dick Schwenkmeyer 2012-6-27 753 Riverside Strawberry Creek, 1/4 mile northwest of Humber Park, Idyllwild. 1914 Comment
  UC57361  Ribes roezlii H. M. Hall July, 1901 2259 Riverside Fuller's Mills Mountains San Jacinto Mountains 1645 Comment
  UCR209336  Ribes roezlii Fred M. Roberts, Robt. L. Allen 2008-6-23 7055 Riverside Santa Ana Mountains, Santiago Peak, north slope, Main Divide Truck Trail, 0.4 km north-northeast of summit 1639 Comment
  SD130245  Romneya coulteri Scott White 1990-6-16 Riverside Cleveland National Forest, on private land just inside the Forest boundary. East wall of Hagador Canyon, near the mouth of the canyon. 395 Comment
  SDSU19221  Rorippa nasturtium-aquaticum Kristen Hasenstab, Dave Bailey 2008-8-7 184 Riverside Santa Margarita Ecological Reserve, within 150m of gaging station at the Gorge river crossing. 0.25m from the edge of the river. 215 Comment
  UCR1084  Rorippa nasturtium-aquaticum J. E. Dimitman 1957-5-18 s.n. Riverside San Jacinto Mtns., stream running into Hemet Lake 1326 Comment
  UCR95251  Rorippa nasturtium-aquaticum D. L. Banks, E. H. Banks 1996-5-2 950 Riverside Agua Tibia Mountains, NW Palomar Mountains; NW foothills of Dorland Mtn, S end of Los Caballos Road, University of California-Emerson Oaks Reserve, at the Emerson Cottage 524 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
  UCR188895  Rorippa palustris subsp. occidentalis Fred M. Roberts, S. Leatherman 2007-9-19 6587 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  RSA561110  Rosa californica Steve D. Boyd, Tim S. Ross, Dave Bramlet 1993-5-12 7323 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon, 365 Comment
  RSA627520  Rubus parviflorus Scott D. White 1998-7-31 6939 Riverside Idyllwild Area: Strawberry Creek between crossing at Circle Dr. and Humber Park; San Jacinto Mts. 1707 Comment
  SD229265  Rubus parviflorus Dick Schwenkmeyer 2012-8-28 827 Riverside Fuller's Mill camp, 2.6 miles east of the intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1799 Comment
  UC12971  Rubus parviflorus Harley P. Chandler 1897-7-23 Riverside Deep Creek San Bernardino Mts., Deep Creek 1524 Comment
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Nov 26 2011
  POM19609  Rubus parviflorus var. bifarius Mary F. Spencer 1923-6-12 2163 Riverside Idyllwild, San Jacinto Mountains. 1646 Comment
  UCR16516  Rumex conglomeratus Becky Brooks 1973-5-26 s.n. Riverside Corona: west side of third irrigation pond, c. 250 yd north of Ontario Hwy and 100 yd east of Compton Ave 213 Comment
  CLARK-A1528-766  Rumex crispus C. M. Flanagan 1973-5-20 OO 521 Riverside Morongo Indian Reservation Comment
  CAS-BOT-BC433961  Rumex salicifolius Scott D. White 1996-8-1 4430 Riverside San Jacinto Mts. Idyllwild Area: Hwy 243 at Deer Springs trailhead and adjacent area. 1830 Comment
  UCR256744  Rumex salicifolius T. B. Salvato, Matthew Malle 2013-4-11 7533 Riverside Gavilan Hills, southeastern slopes, hill above Black Powder Canyon and c. 0.5 mi north of the Temescal Canyon 419 Comment
  UC6967  Rumex salicifolius var. salicifolius H. M. Hall Jul 1901 2525 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1615 Comment
  RSA444472  Rupertia physodes J. C. Roos 1960-5-30 s.n. Riverside Santa Ana Mountains: Ridge N of Bedford Peak with Calochortus albus, semi shade 1220 Comment
  UCR90828  Sagina apetala A. C. Sanders, G. K. Helmkamp 1996-3-17 17980 Riverside Coachella Valley, Palm Springs, shopping center at SE corner of Raquet Club Dr. and Palm Canyon Dr. 189 Comment
  UC284659  Salazaria mexicana Ivan Johnston 1917-4-4 Riverside Palm Canyon; Colorado Desert, Palm Canyon 457 Comment
  POM281401  Salix exigua H. P. Bracelin 1932-4-12 601 Riverside East side of bridge over Santa Ana River, 4.8 km. north of Arlington on road to Pedley, west of Riverside. 240 Comment
  POM360990  Salix exigua Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  UC498686  Salix exigua Mrs. H. P. Bracelin 1932-4-12 602 Riverside 4.8 km. n Arlington (4 mi w of Riverside, e side of bridge over Santa Ana R., on rd. to Pedley) 240 Comment
  UCR11299  Salix exigua O. F. Clarke, M. Alexander 1971-3-31 s.n. Riverside Santa Ana River Bottom, Union Pacific Bridge 213 Comment
  JOTR32464  Salix gooddingii La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2609 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam; Small riparian pond environment with seasonally submerged muddy banks, surrounded by boulder outcrops (Stop 4) 1301 Comment
  LA208735  Salix gooddingii Carl Epling; 1927-3-27 sn Riverside Thousand Palms Comment
  RSA714426  Salix gooddingii A. C. Sanders 2004-5-12 27866 Riverside Elsinore Basin Region: Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek. 378 Comment
  UCD110969  Salix gooddingii A. C. Sanders 1997-3-19 20037 Riverside Lake Skinner area: Lake Skinner, NW shore near inlet, SW foot of Bachelor Mtn. Comment
  SEINET10626142  Salix laevigata Greg Gust, Leith Nye 2005-3-11 Gust 546 Riverside Cleveland National Forest. Just off of Hwy 74 opposite El Cariso Campground on washed out forest road. 762 Comment
  POM319278  Salix lasiolepis Patricia Wilder 1972-2-18 5355 Riverside North side of Norco, along the Santa Ana River at the end of Pedley St. 229 Comment
  RSA724029  Salsola tragus R. E. Riefner 2006-11-14 6 -675 Riverside City of Riverside, Main St. at Russell St. 259 Comment
  HSC86129  Saltugilia grinnellii subsp. grinnellii M. H. Frost, Jr. 1954-6-6 13 Riverside San Jacinto Mtns. 1524 Comment
  CLARK-A1528-583  Salvia apiana C. M. Flanagan 1973-5-31 OO 636 Riverside Morongo Indian Reservation 914 Comment
  RSA772138  Salvia apiana Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4976 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 823 Comment
  POM13283  Salvia apiana var. compacta P. A. Munz 1922-6-26 5828 Riverside Southern Slope of Santa Rosa Mts. 1707 Comment
  RSA401475A  Salvia columbariae H. de Forest 1924-07 s.n. Riverside Cabazon. Comment
  UC1228546  Salvia columbariae C. L. Hitchcock and C. V. Muhlick 1962-3-16 22156 Riverside ca 12 mi se Corona; Temescal Canyon Comment
  UCD125737  Salvia columbariae A. C. Sanders; Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23884 Riverside Perris-Aguanga Basin region. Temecula, along E side of pipeline NE of Long Canyon, W of San Diego Aqueduct. 381 Comment
  UCR216409  Salvia columbariae Michael L. O'Leary 2008-4-16 07 Riverside Little San Bernardino Mtns., Eureka Peak, Joshua Tree National Park, almost on the San Bernardino Co. line 1671 Comment
  UCR265829  Salvia columbariae Mitch Provance 2012-5-24 512- 11 Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  UCR87609  Salvia columbariae A. C. Sanders 1994-5-30 14600 Riverside San Bernardino Mountains, north-northeast of Beaumont at Highland Springs, hills north of the end of Bellflower Ave., at Dutton St 950 Comment
  UCR89534  Salvia dorrii var. pilosa Bern Schwenn 1994-4-29 s.n. Riverside southern Mojave Desert, Joshua Tree National Monument, E side of Lost Horse Valley, along Cal Riding and Hiking Trail, just east of Ryan Campground 1341 Comment
  UCR279601  Salvia greatae A. C. Sanders, Jim Malusa 2017-3-28 43141 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
  RSA192198  Salvia mellifera E. W. Lathrop 1959-4-17 4487 Riverside 14 miles west of Murrieta. Tenaja Plateau. West slope of Redonda Mesa. Comment
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Apr 28 2011
  RSA434135  Salvia mellifera N. C. Cooper 1944-5-6 1213 Riverside Banning. 701 Comment
  SEINET7907890  Salvia mellifera D. A. Johnson 2005-1 2005- 02 -18-01 Riverside 1 mi E of CA 74, River Rd, between Perris & Lake Elsinore 488 Comment
  UCR108394  Salvia mellifera D. L. Banks, V. W. Steinmann 1997-3-13 1465 Riverside NW Palomar Mtns, Agua Tibia Mtns, Vail Lake area, N and just south of Hwy 79; hills (burned in the Vail fire of May 1996) east of the Dripping Springs alcove and west of Vail Lake Marina Rd 549 Comment
  UCR35339  Salvia mellifera L. B. Ziegler 1969-4-25 346 Riverside San Jacinto Valley, hills on west side of valley in Coyote Pass area 518 Comment
  UCR97500  Salvia mellifera A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19871 Riverside Lake Skinner area, lower Rawson Canyon, along road NE of Skinner Lake 457 Comment
  UC574890  Salvia mohavensis C. Epling and Wm. Robison 1933-6-26 Riverside Key's View; Little San Bernardino Mountains 1524 Comment
  UC597618  Salvia vaseyi Philip A. Munz 1937-5-29 15146 Riverside Dead Indian Creek Plants of Southern California, N base of Santa Rosa Mts. 457 Comment
  SEINET10869908  Salvia vaseyi A. Evans 1976-4-13 Evans 5190 Riverside Rocky slopes of santa rosa mtns. Comment
  CAS-BOT-BC238854  Sambucus nigra subsp. caerulea Wayne Law; Jun Hu 2000-5-16 21 Riverside Peninsular Ranges; Santa Ana Mtns.: Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi S of Corona 396 Comment
  CLARK-A1528-3839  Samolus parviflorus John C. Roos 1937-6-7 497 Riverside Aguanga Comment
  UCR95461  Samolus parviflorus D. L. Banks, Lauren Raz 1996-8-29 1139 Riverside Agua Tibia Mountains, NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. Along Arroyo Seco, north of Wildhorse Peak, before the drainage bends to the south. 549 Comment
  SEINET13945113 Image available Sanicula arguta A. C. Sanders, T. Glenn 1983-1 3733 Riverside Mesa de Colorado, Santa Ana Mountains, 5 miles(airline) SW of Murrieta. (Near 1176 17' W, 33 deg. 31' N). 610 Comment
  UCR160530  Sanicula arguta John F. Green 2005-2-24 s.n. Riverside Santa Ana Mtns Region, Santa Rosa Plateau, just SE of Redonda Mesa and SW of Mesa de Colorado, 9.6 acre parcel south of the junction of El Cerezo Road and Corona Cala Camino 793 Comment
  RSA715104  Sanicula bipinnatifida A. C. Sanders, Guy Bruyea 2004-4-2 27435 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. 305 Comment
  SD152966  Sanicula bipinnatifida Steve Boyd, Tim Ross 1992-3-31 6770 Riverside Santa Ana Mountains; on Elsinore Peak. 1014 Comment
  UC456155  Sarcodes sanguinea I. J. Condit 1910-6-22 Riverside San Jacinto Mt. 2590 Comment
  UC635669  Sarcostemma hirtellum Margaret Stason 1927-2-12 Riverside Thousand Palm Canyon Colorado Desert, Thousand Palm Canyon Comment
  UCR936  Saxifraga californica J. E. Dimitman 1957-5-18 s.n. Riverside San Jacinto Mtns., Field above Hemet Lake Comment
  UCR21988  Schinus molle Steve Boyd 1980-7-20 340 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  RSA335020  Schinus molle Steve Boyd 1985-7-23 1010 Riverside De Luz Rd., 7 mi. west of Rancho California. 366 Comment
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May 8 2013
  UCD92909  Schismus arabicus H. E. Parks; S. T. Parks 1940-3-1 s.n. Riverside Santa Rosa Canyon near Indio. Comment
  UCR196370  Schismus arabicus Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Pesach Lubinsky 2005-2-10 1442 Riverside Northeastern Colorado Desert, along Palen Pass Road, near Hwy 177 170 Comment
  SJSU1758  Schismus barbatus G. B. Youngberg 1956-3-30 220 Riverside among hills near La Sierra College, Arlington 228 Comment
  UCR158724  Schismus barbatus A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30030 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
  CAS-BOT-BC111386  Schoenoplectus acutus var. occidentalis Louis C. Wheeler 1932-9-4 1337 Riverside Santa Ana R. at Chino Creek 182 Comment
  RSA726858  Schoenoplectus acutus var. occidentalis Steve Boyd, Aydee Virgen 2004-4-13 10877 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UC574919  Schoenoplectus acutus var. occidentalis C. Epling and J. Ewan June, 1933 Riverside s shore Lake Elsinore; s shore Lake Elsinore Comment
  UCR207610  Scirpus robustus O. F. Clarke 2004-5-7 s.n. Riverside Peninsular Range; San Jacinto Valley, San Jacinto Wildlife Area 442 Comment
  UC1076479  Scleranthus annuus subsp. annuus Herbert L. Mason 1926-4-30 3125 Riverside Pala Grade Comment
  UCR174534  Scrophularia californica Jennifer H. Jones 2006-4-7 262 Riverside Peninsular Ranges, Box Springs Mtns. Reserve; A couple hundred feet up hill east of service road, just SE of the parking lot 732 Comment
  RSA155809  Scrophularia californica subsp. floribunda Peter H. Raven 1962-4-29 17486 Riverside Ortega Highway 1 mi. above its east base. 488 Comment
  OBI13580  Scutellaria mexicana Robert F. Hoover 1966-10-15 10176 Riverside Bighorn Dr, San Jacinto Mts Comment
  POM49560  Scutellaria siphocampyloides P. A. Munz, I. M. Johnston 1924-7-29 8838 Riverside 6 miles SE of Poppet Flat, San Jacinto Mountains. 1524 Comment
  UC104302  Scutellaria siphocampyloides A. W. Anthony 1895-7-15 Riverside San Jacinto 1828 Comment
  RSA0074746  Sedum spathulifolium Scott D. White 2000-11-15 8148 Riverside Idyllwild area, Strawberry Fuelbreak between Inspiration Pt. and Strawberry Ck. 1402 Comment
  UCR270354  Selaginella bigelovii Dick Newell, Judy Booth 2016-1-17 417 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, South Main Divide Road, 0.4 mile south of Elsinore Peak 978 Comment
  UCR234816  Selaginella eremophila Jim Andre, Glenn L. Clifton 2011-2-22 17481 Riverside Coachella Valley, 1.2 mi due south of Windy Point (at Hwy 111, just southwest of 'The Cove' housing development near Blaisdell Creek, at base of San Jacinto Mountains 320 Comment
  UCR260607  Senecio aphanactis O. F. Clarke 2004-4-16 s.n. Riverside Peninsular Range, eastern edge of Riverside; Box Springs Mtns, North Loop Trail near Two Trees Canyon 701 Comment
  UCR116076  Senecio californicus O. F. Clarke, Jeanine Derby 1974-4-13 s.n. Riverside Box Springs Mtns., E side of Box Springs Mtn. Rd. c. 1 mile above Pigeon Pass 686 Comment
  CAS-BOT-BC323975  Senecio flaccidus var. douglasii H. M. Hall 1905-5-1 6247 Riverside Colorado Desert. Cottonwood Pass. 609 Comment
  RSA33371  Senecio flaccidus var. douglasii N. C. Cooper 1943-9-26 926 Riverside Cabazon. 549 Comment