Search Results — 2000 specimen records retrieved (1893 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SBBG94847  Abies concolor F. C. Vasek 1976-7-4 760704 -2 Riverside Pine Cove 1828 Comment
  CAS-BOT-BC229327  Abronia villosa Javier Penalosa 1963-4-10 2774 Riverside Deep Canyon, 3mi. south of Palm Desert 213 Comment
  CAS-BOT-BC229340  Abronia villosa Peter H. Raven 1958-1-23 11426 Riverside Fringing United States Highway 99, 6.5 miles north-west of Indio Comment
  RSA0021331  Abronia villosa Duncan S. Bell, Kim Clark, Keir Morse, Harry Spilman 2013-3-30 4657 Riverside Around the confluence of the San Gorgonio and Whitewater river drainages, just south of the historic Palm Springs Station, about 1.5 air miles northwest of Windy Point. 340 Comment
  SBBG1865  Abronia villosa H. and M. Dearing 1939-4-12 3162 Riverside E of Indio Comment
  CAS-BOT-BC310319  Abronia villosa var. aurita Duncan S. Bell 2012-3-8 3141 Riverside Southern section of the Mecca Hills; north side of the canal, approximately 4.75 air miles southeast of where Box Canyon Road crosses the Coachella Canal 16 Comment
  RSA278980  Abronia villosa var. aurita Barry A. Prigge, L. Martinez 1978-3-23 2430 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
Read comments
Sep 18 2008
  RSA787701  Abronia villosa var. aurita Duncan S. Bell 2012-4-5 3313 Riverside Palen sand dunes on the southwest side of the Palen mountains at the south end of Palen Valley and the northwestern part of Chuckwalla Valley. In the vicinity of the Desert Lily Sanctuary. 160 Comment
  SEINET946025  Abronia villosa var. aurita Louis B. Ziegler 1966-1 80 Riverside San Jacinto Mountains, Hemet (Thomas/Garner) Valley. 1402 Comment
  RSA0030910  Abronia villosa var. aurita Ira W. Clokey, E. G. Anderson 1935-8-21 6604 Riverside Hemet Lake. 1300 Comment
  RSA461027  Abronia villosa var. villosa A. Menke 1955-4-25 s.n. Riverside Palm Springs 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
  SEINET937284  Abronia villosa var. villosa Leo A. Galloway 1970-1 1228 Riverside 23.5 miles southeast of Twentynine Palms in Joshua Tree National Monument. Comment
  RSA414905  Acacia greggii N. C. Cooper 1944-5-20 2632 Riverside Palms to Pines Hwy., San Jacinto Mtns. 304 Comment
  POM2530  Acacia greggii var. arizonica J. S. Chase 1916-04 s.n Riverside Palm Springs. Comment
  CAS-BOT-BC30910  Acamptopappus sphaerocephalus Howard Walton Clark 1926-6-1 s.n. Riverside Indio Comment
  RSA750537  Acamptopappus sphaerocephalus Scott D. White, Justin M. Wood, Paul Kielhold 2009-4-21 12587 Riverside San Bernardino Mountains: Ridgeline E of Whitewater Canyon, +/- 2 miles N of town of White Water (Interstate 10), near Super Creek Quarry 640 Comment
  UCR135731  Acamptopappus sphaerocephalus Mitch Provance, Kerry Knudsen, Petra Wester 2004-5-8 9004 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
  UCSB6306  Acamptopappus sphaerocephalus Kamb, Peter 1948-4-11 Riverside Lower Sonoran Zone; Whitewater Wash near Whitewater; Coachella Valley 457 Comment
  UCSB6743  Acamptopappus sphaerocephalus Gray, Caroline 1956-4-13 Riverside Whitewater Canyon near Whitewater Comment
  RSA696452  Acer macrophyllum Keith E. Hoffmaster 1934-4-8 138 Riverside Santa Ana Mts. Comment
  SEINET13363739 Image available Achillea lanulosa Dieter H. Wilken 1965-1 276 Riverside Herkey Creek Public Camp, Hemet Valley, San Jacinto Mountains 1372 Comment
  CAS-BOT-BC260327  Achnatherum hymenoides Ivan Johnston 1917-4-4 1098 Riverside Colorado Desert. Whitewater, about station Comment
  RSA714959  Achnatherum hymenoides Sarah J. De Groot, J. Mark Porter 2006-3-14 5198 Riverside North foot of San Jacinto Mts, between Snow Creek Road and Highway 111. Stabilized sand dunes several miles downstream from gaging station. 366 Comment
  SEINET3005054  Achyronychia cooperi G. Rink 2011-4-29 10492 Riverside Proposed Palo Verde Solar Power Plant about 15 miles southwest of Blythe, sandy 91 Comment
  UCD84935  Achyronychia cooperi Chuck Hughes 2010-3-23 207 Riverside About 11.5 miles south of Highway 62, next to railroad tracks. 254 Comment
  SBBG119997  Acmispon brachycarpus A. C. Sanders, K. Volansky 2005-3-17 29213 Riverside French Valley, SE of Winchester Rd (Hwy 79) between Thompson Rd and Benton Rd, ca. 0.5 mi NE of Adobe Spring, near San Diego Aqueduct 412 Comment
Read comments
Apr 2 2011
  SD111979  Acmispon glaber var. brevialatus Barbara Ertter, Jeffrey Strachan 1980-5-20 3469 Riverside West side of Whitewater Hill, east side Whitewater Wash, NW end of Coachella Valley north of I-10 456 Comment
  SDSU13378  Acmispon glaber var. brevialatus C. Matt Guilliams, Taxonomy of Cal. Native Plants- Bio 531 2000-4-29 Riverside Comment
  HSC98288  Acmispon heermannii D. W. Snell 1964-3-26 25 Riverside 1.5 mi. E of Hwy. 79, 5 mi. S of Hemet. Comment
  SBBG3411  Acmispon heermannii var. heermannii H. and M. Dearing 1942-3-17 4833 Riverside Dos Palmas Cyn, near Palms to Pines Hwy Comment
  SBBG67437  Acmispon nevadensis var. davidsonii R. Hoffmann 1929-9-11 Riverside Thomas Valley Comment
  JOTR35516  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
  SBBG63753  Acmispon rigidus M. N. Ackley 1928-4-3 548 Riverside Clary's Cyn 243 Comment
  SD146270  Acmispon strigosus A. C. Sanders 1998-3-17 21743 Riverside Shipley/Skinner Reserve Area, North Domenigoni Hills, south of Hemet; Winchester 7.5' quad. 342 Comment
  UC485223  Acourtia microcephala Fred M. Reed 1904-6-29 632 Riverside above Gage Canal, No. 2 Flume ((canyon on Riverside-Redlands road)); Riverside (vicinity) Comment
  SD181710  Acroptilon repens Scott D. White 2000-5-5 7770 Riverside Murrieta: Vacant lot on north corner at intersection of Jefferson Ave. and Murrieta Hot Springs Road. 323 Comment
  RSA736705  Adenostoma fasciculatum Scott D. White 2004-4-26 10244 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Indian Creek Watershed. 518 Comment
  JEPS44780  Adenostoma sparsifolium Carl V. Meyer 1928-8-2 629 Riverside Chalk Hill Comment
  SEINET10964943  Adenostoma sparsifolium Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-15 Conrad 7147 Riverside Chaparral along roadside 1036 Comment
  UC519765  Adenostoma sparsifolium C. Epling 1931-10-4 Riverside Hemet to Idylwild Comment
  UCR193950  Adenostoma sparsifolium A. C. Sanders 2008-7-25 35902 Riverside Peninsular Range; San Jacinto Mtns., east side of May Valley, NE of Bonita Vista Rd. at foot of hills 1543 Comment
  RSA700466  Adiantum capillus-veneris M. E. Fishbein, Victor Steinmann, Ivonne Steinmann, Mark Porter, Stephen Dreher 1999-12-4 4103 Riverside Santa Rosa Mountains, Deep Canyon, just east of California 74. 823 Comment
  RSA228832  Adiantum jordanii Colin M. Wainwright, Larry E. DeBuhr 1972-2-10 614 Riverside Cleveland National Forest. Ca. 8 mi. south of Lake Elsinore, off Forest Route 7S04. Comment
  RSA457396  Agrostis exarata A. R. Roos 1937-8-19 10694 Riverside Idyllwild, San Jacinto Mountains. Comment
  POM14449  Agrostis idahoensis P. A. Munz 1922-9-6 6399 Riverside Round Valley, San Jacinto Mountains. 2744 Comment
  UCR23871  Agrostis pallens John C. Roos 1965-6-30 s.n. Riverside Santa Ana Mtns., Ortega Hwy Comment
  UCD53294  Agrostis scabra August L. Hormay 1932-8-8 s.n. Riverside Tahquitz Valley. Comment
Read comments
Aug 13 2006
  RSA753931  Ailanthus altissima W. Schlegel, Andrew Trouette 2008-10-10 21 Riverside Snow Creek Cabin Parcel Comment
  RSA71929  Aliciella latifolia F. W. Peirson 1922-4-11 2871 Riverside Deep Canyon Region, north base of Santa Rosa Mountains Comment
  RSA462630  Allionia incarnata H. de Forest 1933-4-16 17593 Riverside Chino Canyon, Colorado Desert, E of Coachella Valley Comment
Read comments
Feb 3 2011
  UC1595727  Allionia incarnata W. Wisura, J. Dolan, M. Wall 1992-3-25 4653 Riverside 2.7 mi s of prison on Wileys Well Road Wileys Well Road Comment
  UC851825  Allionia incarnata Ivan Johnston 1917-4-4 Riverside Colorado Desert, at mouth of Palm Canyon Palm Canyon; Colorado Desert, Palm Canyon 228 Comment
  CAS-BOT-BC131988  Allium haematochiton Steve Boyd 1986-3-9 1378 Riverside Temescal Canyon: Alberhill Mtn., south slope of mtn., just east of claymine area 487 Comment
  SEINET12051124  Allium haematochiton M. McLeod, Keil, D. 1979-1 K 12972 Riverside Alberthill jct along Hwy 71 366 Comment
  CAS-BOT-BC472713  Allium lacunosum var. lacunosum Steve Boyd 2010-5-26 12278 Riverside Santa Ana Mountains, Elsinore Peak, southeast of peak, north of trail along old Main Divide Road, east of road up to communications towers, near concrete wildlife drinker 1040 Comment
  IRVC26140  Allium munzii B. C. Templeton, C. B. Clokey, I. W. Clokey 1930-4-15 1477 Riverside near Gavilan Peak, W of Perris Gavilan Hills 400 Comment
  JOTR34267  Allium parishii La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3283 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Lower ridges at base of Quail Mountain; within old burn area between Lost Horse Valley and Juniper Flats (Stop 2) Comment
  CLARK-A1528-3074  Allium peninsulare Sue Damon 1981-5-19 20 Riverside Box Springs Mountains 731 Comment
  SEINET12043914  Allium praecox I. W. Clokey, Anderson, E. G. 1935-1 6550 Riverside E of Hemet 640 Comment
  RSA740631  Allophyllum divaricatum Scott D. White, Justin M. Wood 2008-6-18 12205 Riverside San Jacinto Mountains: Hiking trail from K flat to Apple Canyon Rd. 1341 Comment
  SEINET5536155 Image available Alnus rhombifolia Lewis S. Rose 1938-1 38003 Riverside Whitewater 213 Comment
  SEINET3079479 Image available Alonsoa linearis A. C. Sanders 1985-5-30 5813 Riverside UCR Botanic Garden, in the bed on the W side of the lath house, grid cell E-7. 366 Comment
  UCR159257  Amaranthus albus A. C. Sanders, Kelly Volansky 2005-8-31 31590 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  JOTR30690  Amaranthus fimbriatus La Doux, Tasha, Jim Andre 2008-9-13 269 Riverside Joshua Tree National Park. Upper Wilson Canyon on E. side of paved Hwy 991 Comment
  RSA402998  Amaranthus hybridus J. S. Stubblefield 1940-9-27 s.n. Riverside growing on ranch near Temecula Comment
  UCR4345  Amaranthus powellii O. F. Clarke, Jeanine Derby 1973-9-23 s.n. Riverside Santa Ana River Valley, City of Corona, river bottom area Comment
  IRVC26842  Ambrosia acanthicarpa S. D. White 1996-12-26 4640 Riverside Perris area Perris Basin 427 Comment
  SEINET2043617 Image available Ambrosia acanthicarpa H. S. Gentry 1954-7-26 14252 Riverside Dripping Springs, along Rt. 79 Comment
  UCSB10270  Ambrosia acanthicarpa Ballard 1954-10-30 Riverside 3 miles south of Men's Reform School, (Chino Institute), Chino 198 Comment
  CAS-BOT-BC22578  Ambrosia dumosa Joseph Andorfer Ewan 1932-4-8 7029 Riverside Seven Palms near Garnet, Colorado Desert Comment
  CAS-BOT-BC22614  Ambrosia dumosa Javier Penalosa 1963-4-10 2782 Riverside Deep Canyon, 3 mi. S of Palm Desert. 213 Comment
  OBI17101  Ambrosia dumosa Tracey Call 1962-4-6 2115 Riverside 4 mi w of Desert Hot Springs at rd jctn Comment
  RSA516900  Ambrosia dumosa Orlando Mistretta 1986-3-13 1420 Riverside Northeast of Desert Center, jct of Parker Dam Rd and 'Palen Rd' (Rd. going through pass between Palen and Granite Ranges). 183 Comment
  RSA796457  Ambrosia dumosa Duncan S. Bell 2009-4-18 219 Riverside Arica Mountains: northwest of range, approximately 1.6 air miles south of Highway 62, and approximately 0.4 air mile north of California aqueduct. 389 Comment
  SFV17216  Ambrosia dumosa J. W. Dole 1980-11-1 s. n. Riverside Snow Creek road, 1 mile from junction of Highway 111 and Interstate Highway 10. 360 Comment
  RSA180511  Ambrosia psilostachya E. W. Lathrop 1960-6-6 4832 Riverside 14 miles W. of Murrieta. Comment
  RSA737349  Ambrosia psilostachya Justin M. Wood 2008-9-19 136 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  CAS-BOT-BC273026  Ambrosia salsola Lewis S. Rose 1962-3-2 62013 Riverside La Quinta 3 Comment
  LA212171  Ambrosia salsola A. Lee Haines; 1973-3-24 s.n. Riverside Whitewater River Canyon. 426 Comment
  SEINET6734892 Image available Ambrosia salsola I. W. Clokey 1936-4-17 6985 Riverside Cottonwood Springs Comment
  RSA156027  Amorpha californica P. H. Raven 1962-5-18 17752 Riverside [Santa Ana Mountains] Main Divide truck trail 2.9 miles south of Santiago Peak. 1234 Comment
  RSA263785  Amorpha californica R. Weatherby 1950-5-18 s.n Riverside Hagador 640 Comment
  UCR70812  Amorpha fruticosa var. occidentalis D. L. Crawford, I. M. Johnston 1917-6-9 1225 Riverside San Bernardino Valley/Upper Santa Ana River, Santa Ana River near Corona 152 Comment
  HSC84285  Amsinckia intermedia J. Nevin 1987-4-9 37 Riverside Box Springs Mtn. Park 366 Comment
  RSA0089613  Amsinckia intermedia A. C. Sanders, T. B. Salvato, Mitch Provance 2003-4-4 25834 Riverside San Bernardino/Santa Ana River Valley Region: Jurupa Mtns., hill SW of the Jensen Quarry, NW of Sunnyslope. 366 Comment
  RSA499971  Amsinckia intermedia M. V. Hood 1945-3-25 s.n. Riverside Aguanga. Comment
  SD73597  Amsinckia intermedia Helen V. Witham 1970-5-1 849 Riverside Bautista Canyon, southeast of Hemet 800 Comment
  UCR172614  Amsinckia retrorsa A. C. Sanders, John F. Green 2006-5-18 32370 Riverside Temecula/Murrieta Region, SE of Murrieta Hot Springs along San Diego Aqueduct and powerline route, south of intersection of Chandler and Suzi Rds. and south of Murrieta Hot Springs Rd., side canyon dropping toward Santa Gertrudis Creek, 1 mile SW of Skunk Hollow 366 Comment
  UCR116600  Amsinckia tessellata A. C. Sanders 2001-4-8 23986 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic Ave., north of flood control ditch 348 Comment
  JEPS49775  Amsonia tomentosa W. L. Jepson and W. C. Mathews 1914-5-17 5980 Riverside Lookout Mt. n. of Indio; Colorado Desert, Lookout Mt. Comment
  RSA180287  Anagallis arvensis E. W. Lathrop 1965-4-25 5671 Riverside 4 miles Sw of Murrieta. Comment
  RSA465157  Anagallis arvensis E. Crow 1929-3-17 200 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  RSA180297  Anemopsis californica E. W. Lathrop 1964-5-24 5380 Riverside 14 miles west of Murrieta. 549 Comment
  UC729851  Anemopsis californica Carl B. Wolf 1929-5-31 3738 Riverside 1 mi nw of Santa Ana River (6 mi from Corona on Chino Road) Comment
  POM122258  Angelica tomentosa Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mountains. Comment
  CAS-BOT-BC79941  Antennaria microphylla Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  SEINET3132559  Antennaria rosea subsp. rosea F. M. Reed 1908-7-10 2425 Riverside Round Valley Comment
  JOTR31068  Antirrhinum coulterianum La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2050 Riverside Joshua Tree National Park. Little San Bernardino Mountains; STOP 6: upper portion of Smithwater Canyon, leading to Lower Covington Flats, wide sandy wash Comment
  RSA615094  Antirrhinum coulterianum D. L. Banks 1997-3-29 1585 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
  RSA734197  Antirrhinum coulterianum Keith E. Hoffmaster 1937-6-6 761 Riverside Near Valle Vista, Hemet Valley. Comment
  UCR121244  Antirrhinum coulterianum Steve Boyd, C. Boyd, K. A. Boyd, Richard Noyes, L. Arnseth 1988-5-28 2296 Riverside San Jacinto Mtns, Cahuilla Mountain, west of Anza, along hiking trail, mostly along the crest 1700 Comment
  UCSB13305  Antirrhinum coulterianum Elliott, Millicent 1962-5-5 Riverside 6.6 miles south of junction of 8th Street (Banning) with U.S. Highway 70-90; San Jacinto Mountains 1158 Comment
  POM98994  Antirrhinum filipes E. C. Jaeger 1926-3-24 s.n. Riverside Eagle Mts, eastern Riverside Co. 610 Comment
  UCR117073  Antirrhinum kelloggii A. C. Sanders, Steven R. Hill 2001-5-4 24131 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
  POM262976  Antirrhinum nuttallianum subsp. nuttallianum J. C. Roos 1941-4-19 176 Riverside Reche Canyon - 'Plateau' [Label indicates San Bernardino Co.] Comment
  RSA191418  Antirrhinum nuttallianum subsp. nuttallianum E. W. Lathrop, Robert F. Thorne 1967-9-26 6609 Riverside Tenaja Guard Station, 10 miles NW of Murrieta. Comment
  UCR93825  Antirrhinum nuttallianum subsp. nuttallianum G. R. Ballmer, K. T. Stockwell 1995-6-8 s.n. Riverside Peninsular Range, Warm Springs Creek, Budweiser Ranch, 0.25-1 mi upstream of Los Alamos Road crossing 457 Comment
  UCR111968  Apiastrum angustifolium A. C. Sanders, T. B. Salvato 2000-5-25 23399 Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR174064  Apiastrum angustifolium A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32517 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 640 Comment
  POM9018  Apiastrum angustifolium P. A. Munz 1920-3-20 3388 Riverside Temescal Canyon 366 Comment
  UCR97437  Apocynum cannabinum G. R. Ballmer, K. Stockwell 1996-6-1 s.n. Riverside E of Murrieta: Warm Springs Creek c. 1/2 way between Murrieta Hot Springs Rd. and Los Alamos Rd. 366 Comment
  POM157898  Apocynum sibiricum P. A. Munz 1927-5-21 10896 Riverside San Carlos Pass, 2 mi S.E. of Ansa. 1372 Comment
  UC9006  Aquilegia formosa H. M. Hall July 1901 Riverside San Jacinto Mtns 1524 Comment
  UCR18518  Arabis glabra A. C. Sanders 1978-6-11 0833 Riverside San Jacinto Mtns., James Reserve (above Lake Fulmor), near bridge over Indian Creek 1646 Comment
  UCR54248  Arabis pulchra David Charlton 1988-5-21 1930 Riverside San Jacinto Mtns., Thomas Mtn Rd, west of Garner Valley and south of Lake Hemet on Hwy 74 1829 Comment
  UCR174539  Arabis sparsiflora Jennifer H. Jones, Thi (Teresa) Bui and Holly Summers 2006-5-31 357 Riverside Peninsular Ranges; San Jacinto Mtns., Calif. Hwy 243 at turnout next to Soboba Penny Pines Plantation (c. 0.25 mi. above Bay Tree Spring) 1601 Comment
  UCR96264  Arceuthobium campylopodum Scott D. White 1996-8-1 4451 Riverside San Jacinto Mountains, Idyllwild area north of Isomata along USFS Road 5S24.1 1646 Comment
  RSA629165  Arctostaphylos Jon E. Keeley 1992-7-17 16805 Riverside Rd. to Thomas Mts. (5S15), 7.0 km north of Toolbox Springs. 1720 Comment
  RSA629402  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19521 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA796517  Arctostaphylos glandulosa subsp. glandulosa R. F. Thorne, E. W. Lathrop 1977-5-18 49727 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  RSA629374  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16861 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  RSA629432  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-6-16 16835 Riverside Hwy 243, 30 km N of Idyllwild. 1630 Comment
  RSA629458  Arctostaphylos glandulosa subsp. leucophylla Jon E. Keeley 1992-7-17 16814 Riverside Rd. to Thomas Mtn. (5S15), 9.5 km north of Toolbox Spring. 1640 Comment
  POM254925  Arctostaphylos glandulosa subsp. zacaensis W. Pequegnat 1940-4-18 s.n. Riverside Sierra Peak, Santa Ana Mts. Comment
  RSA78310  Arctostaphylos glandulosa var. adamsii P. A. Munz, E. K. Balls 1952-8-21 17984 Riverside Road, Vandeventer Flat to Santa Rosa Peak 2072 Comment
  CAS-BOT-BC24627  Arctostaphylos glauca Elmer I. Applegate 1927-2-12 4982 Riverside Near oak Grove Ranger Station. Comment
  RSA631767  Arctostaphylos glauca Jon E. Keeley 1992-4-17 15076 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA633559  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21785 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633575  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21769 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 Comment
  RSA633597  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-17 16704 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633665  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21767 Riverside Dirt road to Santa Rosa Mountain, 9.2 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1995 Comment
  RSA633751  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21781 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  CAS-BOT-BC46551  Arctostaphylos patula Carl B. Wolf 1932-8-5 3988 Riverside San Jacinto Mts. Along trail from Tahquitz Valley to San Jacinto Peak. 2560 Comment
  CAS-BOT-BC44373  Arctostaphylos pringlei subsp. drupacea E. K. Balls 1949-5-4 13480 Riverside On highway to Idyllwild, 2 miles from junction with Palms to Pines Highway, San Jacinto Mts. 1371 Comment
  RSA635686  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-16 16828 Riverside Idyllwild, saunders Mdw. Rd., E of Hwy 243, San Jacinto Mtns. 1610 Comment
  SBBG5480  Arctostaphylos pringlei subsp. drupacea M. Van Rensselaer 1937-7-23 Riverside San Jacinto Mtns 1859 Comment
  UCSB26243  Arctostaphylos pringlei subsp. drupacea Gliessman, Stephen 1968-7-17 Riverside 50 yards south of Little Thomas Mountain Road, 3.7 miles north of junction with Highway 74, Little Thomas Mountain 1584 Comment
  CAS-BOT-BC46337  Arctostaphylos pungens John Thomas Howell 1960-3-24 35149 Riverside Keene Camp Summit, Pines to Palms Hwy. San Jacinto Mts. 1493 Comment
  CAS-BOT-BC46339  Arctostaphylos pungens Peter H. Raven 1958-5-18 12981 Riverside 3.0 mi. e. of junction to Aguanga, San Jacinto Mts. Comment
  RSA635771  Arctostaphylos pungens Jon E. Keeley 1992-7-17 16747 Riverside Rd. to Thomas Mtn. (5S15), 2.7 km west of Hwy. 74 on Pyramid Peak Rd., San Jacinto Mountains. 1480 Comment
  UCR193568  Arctostaphylos pungens A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35612 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mile SW of Fleming Ranch, along dirt track 1555 Comment
  RSA636001  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19543 Riverside Carancho Rd., W. of Temecula. 440 Comment
  RSA636016  Arctostaphylos rainbowensis Jon E. Keeley 1992-8-2 18801 Riverside East of Hwy 15, off Rainbow Cyn. Rd., 3 km north of San Diego Co. line. 400 Comment
  RSA636031  Arctostaphylos rainbowensis Jon E. Keeley 1992-4-5 15050 Riverside Rainbow Canyon Rd., 2.5 km south of Pala Rd. 390 Comment
  RSA636158  Arctostaphylos rainbowensis Jon E. Keeley 1992-8-2 18814 Riverside East of Hwy 15, off Rainbow Cyn. Rd., 3 km north of San Diego Co. line. 400 Comment
  UCR102939  Argemone munita George K. Helmkamp 1998-4-4 3182 Riverside Sonoran (Colorado) Desert, 2.3 mi. north of Hwy I-10 on Eagle Mtn Rd. 274 Comment
  UCR144088  Aristida adscensionis Scott D. White 1999-4-20 7275 Riverside Colorado River Valley, Blythe area, Southern foothills of the Big Maria Mtns, NW of Calif. Hwy 95, c. 7 road mi N of the junction of Hwy 10 and Intake Blvd in Blythe 137 Comment
  UCR200288  Aristida adscensionis Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11231 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
  UCR2159  Aristida adscensionis F. M. Reed 1920-3-25 4270 Riverside Sonoran (Colorado) Desert, Sand dunes near Indian Wells 30 Comment
  CLARK-A1528-4477  Aristida parishii John C. Roos 1952-4-16 5551 Riverside Reche Canyon 457 Comment
  CLARK-A1528-4478  Aristida parishii John C. Roos 1946-11-30 3162 Riverside Chuckwalla Mountains Comment
  UCSB45613  Aristida purpurea John C. Roos 1966-4-26 Riverside collected in hills between March AFB and Lakeview March AFB and Lakeview Comment
  RSA741056  Aristida purpurea var. longiseta Scott D. White, Justin M. Wood 2008-6-5 12063 Riverside Quinn Flat Meadow. 1372 Comment
  RSA700959  Aristida purpurea var. nealleyi Gary D. Wallace 1982-5-15 2004 Riverside Palms to Pines Highway (74), San Bernardino National Forest. 1 mi. E of Pinyon Pines Camp. Comment
  SD247281  Aristida purpurea var. nealleyi A. C. Sanders, Jim Malusa 2015-3-10 41372 Riverside Sonoran (Colorado) Desert: north end of Chocolate Mountains, Tabaseca Tank, US Navy Chocolate Mountains Aerial gunnery Range (East of Red Canyon 7.5'Q) 609 Comment
  UCR178320  Artemisia californica T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 620 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  RSA508336  Artemisia dracunculus Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mountains, ca. 1 mile SE of town of Nuevo. 640 Comment
  SEINET10723671  Artemisia ludoviciana David B. Dunn 1946-8-17 Dunn 2701 Riverside On trail to Taquitz from Taquitz Valley campground. On dry hillside among bracken ferns. Comment
  UCR97265  Artemisia ludoviciana subsp. albula Bern Schwenn 1994-9-18 s.n. Riverside Little San Bernardino Mtns., E end of range to SW of Pleasant Valley, on summit of Bernard Peak 1646 Comment
  CAS-BOT-BC90768  Artemisia ludoviciana subsp. ludoviciana F. A. M. 1936-3-20 14543 Riverside Desert Hills, Morongo Valley Comment
  SD119914  Artemisia nova Louis B. Ziegler 1964-8-20 1 Riverside San Jacinto Mountains, Garner (Hemet) Valley, bench above Kenworthy Ranger Station on Old Morris Ranch Road 1615 Comment
  CAS-BOT-BC93479  Artemisia tridentata subsp. tridentata R. E. Jr. Riefner 2006-9-19 06 -442 Riverside Temecula Valley, c. 0.1 mi. west of I-15 Freeway along Temecula Creek (Temecula 7.5' Q) 300 Comment
  SD234280  Artemisia tridentata subsp. tridentata R. E. Jr. Riefner 2006-9-19 06 442 Riverside Temecula Valley, c. 0.1 mi, west of I-15 Freeway along Temecula Creek. 301 Comment
  RSA779726  Asclepias albicans Duncan S. Bell 2009-3-8 94 Riverside Arica Mountains: center of mountain range in the vicinity of Priest Mine approximately 2 air miles west of Priest Well or approximately 7 air miles southwest of the ghost town of Rice. 467 Comment
  SEINET10580571  Asclepias erosa J. Francis Macbride, Francis E. Drouet 1941-10-14 Macbride 4473 Riverside Near Hopkins Well, about 15 mi W of Blythe 244 Comment
  POM122827  Asclepias subulata Marcus E. Jones 1926-6-8 s.n. Riverside Whitewater. Colorado Desert. Comment
  SEINET12320813  Asclepias subulata R. A. Schlising 1972-1 3015 Riverside Ramon Road Comment
  UC1550221  Asparagus asparagoides B. Pitzer and E. Misqez 1988-2-28 636 Riverside sw of Murrieta (Avenida del Oro, s of Rancho California Road, n of road); Walker Basin 426 Comment
  CAS-BOT-BC65784  Aspidotis californica F. M. Reed 1908-2-1 2236 Riverside Riverside Comment
  RSA343874  Aspidotis californica R. F. Thorne, Walter Wisura, Earl Lathrop, Sara Meury 1985-5-18 60664 Riverside Santa Rosa Plateau. Oak-woodland with chaparral understory at edge of Cleveland National Forest 610 Comment
  RSA774897  Astragalus Duncan S. Bell, Amber Swanson 2011-2-18 2030 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
  RSA782083  Astragalus Duncan S. Bell 2009-3-9 124 Riverside Arica Mountains: east side of mountain range, west side of Rice Valley approximately 2.7 air miles northeast of Priest Well or approximately 3.3 air miles southeast of the ghost town of Rice. 244 Comment
  RSA781528  Astragalus aridus Duncan S. Bell 2010-5-1 873 B Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  JEPS48856  Astragalus bernardinus Marjorie D. Clary 1932-5-13 954 Riverside Keys View, Summit , Keys View, Summit (San Bernardino Mts.) Comment
  UC862882  Astragalus crotalariae Alice Eastwood 1919-3-15 7991 Riverside Indio Comment
  CAS-BOT-BC182327  Astragalus didymocarpus var. didymocarpus Marcus E. Jones 1903-5-11 s.n. Riverside Banning 701 Comment
  UC68629  Astragalus didymocarpus var. dispermus H. M. Hall Apr., 1905 5940 Riverside McCoy Wash , McCoy Wash (Colorado Desert) 91 Comment
  CAS-BOT-BC182632  Astragalus didymocarpus var. obispoensis K. Watkins; E. McClintock 1937-4-9 s.n. Riverside Pasture 1 mi. West of San Jacinto Comment
  OBI35666  Astragalus douglasii var. parishii Louis B. Ziegler 1972-5-15 460 Riverside San Jacinto Mts - Hemet (Garnder) Valley 1402 Comment
  POM12086  Astragalus douglasii var. parishii Mary F. Spencer 1921-6-1 945 Riverside Idyllwild, San Jacinto Mountains. 1616 Comment
  RSA682127  Astragalus douglasii var. parishii Marcus E. Jones 1926-6-20 s.n Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  RSA338323  Astragalus insularis var. harwoodii L. M. Shultz, John S. Shultz 1985-4-15 8391 Riverside Chuckwalla Valley depression, between McCoy and Mule Mountains at Wiley's Well Road. 121 Comment
  SEINET1906293 Image available Astragalus lentiginosus var. albiflorus Sarah J. De Groot, J. Mark Porter 2006-1 5197 Riverside North foot of San Jacinto Mts, between snow Creek Road and Highway 111. 366 Comment
  HSC66565  Astragalus lentiginosus var. coachellae Christopher Davidson, A. P. Romspert, H. Surprenant 1979-4-29 7815 Riverside W of Indio, 3 mi. E of Date Palm Dr. 15 Comment
  UC128577  Astragalus lentiginosus var. coachellae Marcus E. Jones, A. M. 1903-5-10 Riverside Palm Spring 60 Comment
  SD135217  Astragalus leucolobus Craig Reiser, Dylan Hannon 1993-5-30 Riverside N side of Santa Rosa Peak Comment
  POM24215  Astragalus pachypus var. jaegeri S. B. Parish 1880-06 1134 Riverside 5 miles south of Temecula Comment
  CAS-BOT-BC194127  Astragalus pomonensis Ira W. Clokey; C. B. Clokey; B. C. Templeton 1935-4-15 4634 Riverside Perres-Gavilan Peak 600 Comment
  CAS-BOT-BC194128  Astragalus pomonensis Frank W. Gould 1943-4-18 2155 Riverside 3 miles west of Beaumont near junction. Comment
  RSA415659  Astragalus pomonensis N. C. Cooper 1944-4-8 1055 Riverside Andreas Canyon. 305 Comment
  RSA500574  Astragalus pomonensis Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3572 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  RSA4917  Astragalus sabulonum C. B. Wolf 1932-4-28 3079 Riverside 19 mi. W. of Blythe on the Mecca rd. 122 Comment
  JEPS2756 Image available Astragalus stenophyllus var. stenophyllus W. L. Jepson May 17 1901-Jun 1 1901 1469 Riverside Cahuilla Valley; ; Cohuilla Valley, Southern California Comment
  CLARK-A1528-4903  Astragalus tricarinatus John C. Roos 1937-4-23 490 Riverside Dry Morongo Canyon Comment
  SEINET12160165  Astragalus tricarinatus S. B. Parish, Parish, W. F. 1880-1 Riverside Comment
  RSA692509  Athyrium filix-femina subsp. cyclosorum Sisson 1930-11-12 19 Riverside San Jacinto Mtns.: Near Idyllwild. Strawberry Creek. 1982 Comment
  CAS-BOT-BC334464  Athysanus pusillus A. C. Sanders; Timothy W. Chumley 2013-4-2 40745 Riverside Peninsular Range: Temescal Canyon between Horsethief Canyon Rd. and Hostettler Rd. near I-15 Fwy, SE of Corona (Lee) Lake 377 Comment
  RSA613414  Athysanus pusillus D. L. Banks 1997-4-5 1677 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
  UCR98063  Athysanus pusillus A. C. Sanders 1997-3-1 19732 Riverside Box Springs Mountains, Pigeon Pass, canyon below Regulus Road, 0.6 mi. west of Pigeon Pass Road., 0.4 mi. east of Bench Mark 'Table' (2559 ft). 610 Comment
  RSA489175  Atrichoseris platyphylla B. Pitzer 1988-3-10 648 Riverside Chuckwalla Mountains. W side of mountains, on gas line road ca. 1.5 mi north of intersection with Red Cloud Mine Road (& wash); ca. 2 miles (airline) S of Highway I-10. (Red Cloud Road. 10 km cell; PH-2N, 3E) 488 Comment
  SEINET3005071  Atrichoseris platyphylla G. Rink 2011-5-1 10509 Riverside North side of the Chuckawalla Mountains near Chuckawalla Spring 505 Comment
  UC1287097  Atrichoseris platyphylla C. L. Hitchcock 1966-3-20 24315 Riverside 5 miles north of Milpitas Wash (and 12 miles NW of Blythe-Glamis Road) Comment
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Mar 2 2013
  UC70077  Atrichoseris platyphylla E. E. Schellenger 1905-4-1 Riverside Santa Maria Mts Colorado Desert, Santa Maria Mts. Comment
  RSA356892  Atriplex canescens R. F. Thorne 1966-10-15 41790 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway Comment
  UC1329983  Atriplex canescens James E. Cole 1941-6-7 851 Riverside Lost Horse Pass , Lost Horse Pass (Joshua Tree National Monument) 1371 Comment
  UCR199698  Atriplex canescens Scott D. White, Angelia Carey, Linda Archer 2004-8-5 10685 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Indian Creek and adjacent uplands, from confluence with San Jacinto River to c. 2 miles upstream 610 Comment
  RSA0078485  Atriplex canescens var. canescens Sarah J. De Groot, Duncan S. Bell 2015-9-21 7582 Riverside Santa Rosa Mountains south-southwest of Palm Desert. Near Potrero Sping near head of Potrero Canyon, west of Dunn Road, northwest of Asbestos Mountain, southwest of Haystack Mountain. 1084 Comment
  CLARK-A1528-5401  Atriplex coronata var. notatior John C. Roos 1952-5-14 5668 Riverside San Jacinto River 426 Comment
  UCR18789  Atriplex coronata var. notatior John C. Roos 1952-5-14 5668 Riverside Perris-Aguanga Basin, 1 mi SE of Perris. San Jacinto River bottomlands. Comment
  UCR241784  Atriplex coronata var. notatior A. C. Sanders, Timothy W. Chumley 2013-3-29 40721 Riverside Peninsular Range; Elsinore Valley, Baker St. between Elsinore and Alberhill, vacant lot between burned house and fenced equipment yard, 0.6 km SE of Pierce St. 384 Comment
  CAS-BOT-BC170252  Atriplex hymenelytra J. Beley 1974-2-21 73 -641 Riverside 1/2 mi. NE of tip of Coxcomb Mt. Comment
  UCR274800  Atriplex hymenelytra David Fraker, Aaron C. Sedgwick 2012-3-27 041 Riverside Central Mojave Desert, Owl Canyon [in Rainbow Basin Natural Area], by Owl Canyon Campground 973 Comment
  UC66493  Atriplex lentiformis E. E. Schellenger 1904-10-16 54 Riverside between Coachella and Wolters [Walters = Mecca] Comment
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Jun 18 2011
  CAS-BOT-BC176533  Atriplex polycarpa Marcus E. Jones 1903-5-8 s.n. Riverside Indio -7 Comment
  UCR49997  Atriplex polycarpa Theo Glenn 1984-10-2 s.n. Riverside Western Colorado Desert, Coachella Valley, Thousand Palms Oasis, in the Indio Hills 168 Comment
  UCSB1653  Atriplex polycarpa Ballard 1955-1-8 Riverside On road from Palm Springs to Cathedral City 182 Comment
  RSA502594  Atriplex rosea Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-11 3730 Riverside Vail Lake area, wetlands of Wilson Creek, east of the lake. 457 Comment
  SD122871  Atriplex serenana Steve Boyd 1985-8-7 1115 Riverside Murrieta area, Clinton Keith Road, just east of the Bear Creek development golfcourse. Comment
  IRVC28527  Atriplex triangularis O. F. Clarke 1970-9-24 s.n. Riverside Riverside, Santa Ana River bottom just E of the old Salt Lake River Bridge. Comment
  CAS-BOT-BC146195  Avena barbata B. Pitzer 1997-4-1 3045 Riverside Lakeview Mountains, ca. 0.75 air mile south southwest of Mount Rudolph, ca. 1 air mile northeast of Contour (Juniper Flats) Road. 665 Comment
  SDSU13514  Avena barbata W. Miller 1972-7-5 Riverside Comment
  CLARK-A1528-4497  Avena fatua John C. Roos 1952-4-9 5472 Riverside Riverside 274 Comment
  CAS-BOT-BC213223  Ayenia compacta Annie M. Alexander; Louise Kellogg 1941-5-26 2236 Riverside Monsen Canyon, north of Shaver Summit 792 Comment
  RSA78374  Baccharis brachyphylla J. C. Roos 1950-12-2 5028 Riverside Monson Canyon, Eagle Mountains. 1067 Comment
  RSA89967  Baccharis brachyphylla J. C. Roos 1950-10-15 5008 Riverside San Bernardino Mtns. Dry Morongo Canyon, c. l mi south of Riverside-San Bernardino county line. 612 Comment
  RSA621887  Baccharis emoryi Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-18 3004 Riverside Vail Lake area, Temecula Creek Cyn below Vail Lake Dam 457 Comment
  UCR115161  Baccharis pilularis Mitch Provance 2000-10-14 2252 Riverside Jurupa Mountains, Corner of Wilson St. and Agua Mansa Rd., at the entrance to an abandoned site of a proposed industrial complex. 268 Comment
  RSA145921  Baccharis salicifolia William McKinley Klein, J. E. Klein 1958-2-9 21 Riverside 4.5 mi. northwest of Alberhill (Calif. hwy 71). Comment
  RSA48867  Baccharis salicifolia J. C. Roos 1949-9-17 4658 Riverside Oasis, Whitewater Wash, 2.2 miles N of Hwy 99 518 Comment
  UCR163590  Baccharis salicifolia O. F. Clarke 2002-3-15 s.n. Riverside San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  IRVC514  Baccharis sergiloides R. H. Whittaker, W. A. Niering 1963-5-31 SJ 100 Riverside Elks Rd., slope draw, open N, 30o, gneiss soil. Santa Rosa Mountains 1311 Comment
  RSA550041  Bahiopsis parishii Walter Wisura, A. King, L. Newcomb 1992-4-10 4666 Riverside Low Desert: Mission Creek Ranch W of Hwy 62 below Morongo Valley Comment
  UCSB38731  Bahiopsis parishii Cowan, Clark 1978-4-23 Riverside 12.1 mi. (19.2 km.) S on Hwy. 74 from jct. with Hwy. 11 at Indian Wells 950 Comment
  POM350661  Baileya pauciradiata N. C. Cooper 1944-5-20 2642 Riverside Palm Springs. 137 Comment
  SBBG98295  Baileya pauciradiata F. W. Peirson 1921-4-12 2775 Riverside Indian Wells Comment
  UC724349  Baileya pauciradiata Aven Nelson, Ruth A. Nelson 1939-3-29 3313 Riverside between Mecca and Hidden Springs Comment
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Feb 3 2011
  JEPS34795  Baileya pleniradiata Marjorie D. Clary 1932-5-26 1651 Riverside s of 29 Palms (Hexie Mt. Colorado Desert); Colorado Desert, Hexie Mt. 1066 Comment
  RSA740926  Barbarea orthoceras Scott D. White, Justin M. Wood 2008-7-9 12426 Riverside K Flat, from large pond downstream to meadow. 1427 Comment
  POM122202  Bebbia juncea Marcus E. Jones 1926-2-16 s.n. Riverside Near Shaver's Well, near Mecca, Colorado Desert. Comment
  POM350779  Bebbia juncea D. A. Young 1969-4-18 p 425 Riverside 3 mi SE of hwy 74 (approx 8 mi S of Palm Desert) near the fence of the Univ. of Riverside Deep Canyon Research Station. 366 Comment
  UC68875  Bebbia juncea var. aspera H. M. Hall 1905-5-2 5971 Riverside Chuckawalla Mts., Colorado Mts. Colorado Desert, Chuckawalla Mts. Comment
  RSA713874  Bebbia juncea var. juncea Michael Wall 2006-6-3 418 Riverside Along the San Jacinto River, east of Hemet, ca. 2.2 miles east of the Cranston Ranger Station 652 Comment
  CLARK-A1656-758  Beloperone californica Theo Glenn 1982-1-22 Riverside Palm Springs 149 Comment
  CLARK-A1528-102  Beloperone guttata Brian L. Estes 1961-5-10 1474 Riverside Riverside Comment
  UCR153471  Berberis dictyota Chris E. True 2004-9-20 s.n. Riverside Santa Ana Mtns., Bedford Road c. 0.5 mi. NE of Main Divide Truck Trail, N of the head of Brown Canyon 1022 Comment
  RSA0100138  Bernardia incana Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8556 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  GMDRC5193  Bernardia myricifolia T. La Doux, D. Shade, M. Harding, M. Wheeler, T. Herskovits 2011-10-13 2566 Riverside Little San Bernardino Mountains: northwest end of Eagle Mountains, 3 mi. north of Cottonwood Visitors Ctr. 1055 Comment
  JEPS29488  Bernardia myricifolia Lauramay T. Dempster 1962-4-18 1900 Riverside Pinyon Flats, Palms-to-Pines Hwy. 1066 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
  UC30574  Bidens laevis E. L. Koethen 1897-10-16 Riverside Riverside Comment
  CLARK-A1528-1654  Bidens pilosa John C. Roos 1965-8-18 Riverside Corona Comment
  POM12847  Bloomeria crocea var. crocea Philip A. Munz 1922-6-24 5809 Riverside Pipe Creek, San Jacinto Mountains 1585 Comment
  SBBG104681  Bloomeria crocea var. crocea M. A. Patten 1992-5-5 92 -9 Riverside Gavilan Hills area, ca. 2 km W of Lake Mathews, and ca. 0.5 km N of Cajalca Rd Comment
  UCSB26797  Bloomeria crocea var. montana Wilken, Dieter 1969-6-30 Riverside California State Highway 74, 0.5 miles west of Keen Camp Summit, San Jacinto Mtns Comment
  CAS-BOT-BC16886  Boechera John F. Emmel 1971-3-21 329 Riverside On road 3S09, 0.5 miles southwest of junction with 3S08, north slope of San Jacinto Mountains. 1146 Comment
  UC1463880  Boechera johnstonii Jeanine Derby 1977-2-1 Riverside e end Quinn Flats; San Jacinto Mts., Garner Valley Comment
  JOTR35501  Boechera perennans La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3189 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Smithwater Canyon, below steep rock wall at bend in canyon (Biodiversity Hunt stop3) 1241 Comment
  CAS-BOT-BC434515  Boerhavia diffusa S. B. Parish 1916-5-13 10855 Riverside Cottonwood Springs, Colorado Desert 792 Comment
  UCR163070  Boerhavia intermedia B. G. Pitzer, G. R. Ballmer 2000-10-14 4221 Riverside Sonoran (Colorado) Desert, south of eastern Ford Dry Lake, south side of Hwy I-10 along gasline road, 0.5-0.75 mi. east of Ford Lake Rd. exit, c. 22 miles west of Blythe 115 Comment
  POM259509  Boerhavia triquetra E. C. Jaeger 1939-12-29 s.n. Riverside Eytel canon [canyon]branching from Fargo Canon [canyon] 5 mi. east Indio. 244 Comment
  UCR264219  Boerhavia triquetra var. intermedia A. C. Sanders, Jim Malusa 2015-9-10 41866 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 0.85 mi. SE of its junction with Summit Rd. in Salt Creek Canyon, at wash crossing, at edge of Chocolate Mountains Aerial Gunnery Range 480 Comment
  SD247457  Boerhavia wrightii A. C. Sanders, Jim Malusa 2015-9-10 41867 Riverside Sonoran (Colorado) Desert: Bradshaw Trail, 0.85 mi. 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
  PASA1886  Boisduvalia glabella Frank W. Peirson 1922-5-19 Riverside Menifee Valley 426 Comment
  RSA0093776  Bouteloua aristidoides Duncan S. Bell 2015-9-30 8678 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  UCR2194  Bouteloua curtipendula F. M. Reed 1933-5-31 10014 Riverside Santa Rosa Mtns., Santa Rosa Indian Reservation, near the bridge on the Palms to Pines Road [Vandeventer Flats] 1372 Comment
  CLARK-A1528-1429  Bowlesia incana John C. Roos 1937-2-21 1312 Riverside La Sierra Comment
  SEINET3081272 Image available Bowlesia incana David C. Hawks, G. Bruyea 1987-4-3 Riverside Peninsular Range; Gaylord property, NW of Aguanga 550 Comment
  UCR189571  Boykinia rotundifolia Theresa Johnson 2006-7-18 234 Riverside Santa Ana Mountains, on border of Riverside/ Orange County off the lower Holy Jim Trail 1232 Comment
  NY43293  Brandegea bigelovii C. R. Annable 1995-3-15 2284 Riverside 2.7km SW of Valerie, on road to Martinez Canyon Comment
  SD247409  Brandegea bigelovii T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7311 Riverside Sonoran (Colorado) Desert: south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road, c. 1.4 km west of its juction with Augustine Pass Road (East of Aztec Mines 7.5'Q) 136 Comment
  SD152905  Brassica rapa Steve Boyd, Orlando Mistretta 1992-4-23 7062 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. Local along trail on dry rocky slopes. 244 Comment
  UC56981  Brassica rapa H. M. Hall 1902-4-1 2959 Riverside vicinity of Riverside; Southern California 243 Comment
  CAS-BOT-BC36844  Brassica tournefortii Bellue 1938-6-1 s.n. Riverside Coachella Valley near Oasis. Comment
  RSA604866  Brassica tournefortii Scott D. White 1995-3-30 2647 Riverside San Jacinto Valley: Moreno Valley, hills ca. 0.7 air mile directly S of 60 freeway and west of bend in Moreno Beach Dr. 579 Comment
  RSA778626  Brassica tournefortii Duncan S. Bell 2009-3-8 67 Riverside Arica Mountains: the north tip of the mountain range approximately 3 air miles northwest of Priest Well, or approximately 5.5 air miles southwest of the ghost town of Rice. 404 Comment
  UCR18519  Brickellia arguta Frank C. Vasek, O. F. Clarke 1966-4-4 s.n. Riverside Santa Rosa Mtns, Hwy 74 at Royal Carrizo Road, Deep Canyon drainage 917 Comment
  JOTR34064  Brickellia atractyloides var. arguta La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2962 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; narrow canyon on edge of 2009 burn area, north of Lost Horse Mine trail Comment
  SD132266  Brickellia californica Scott White 1990-10-2 Riverside Vail Lake Area: Highway 79, immediately west of Dripping Springs Guard Station 490 Comment
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Dec 21 2010
  RSA89877  Brickellia desertorum J. C. Roos, L. Roos 1950-9-30 4995 Riverside rocky hills midway between Steele Pk. and Elsinore. (about 3 mi. N of Elsinore) 488 Comment
  RSA179502  Bromus arenarius E. W. Lathrop 1960-6-6 4816 Riverside 14 miles W. of Murrieta. Comment
  UC162210  Bromus arizonicus H. M. Hall May, 1905 5980 Riverside Colorado Desert Comment
  SD233246  Bromus carinatus Scott D. White, Justin M. Wood 2009-5-22 12896 Riverside San Jacinto Mountains: Quinn Flat Meadow. Comment
  RSA772334  Bromus diandrus Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4513 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR92448  Bromus diandrus A. C. Sanders, S. Hawkins, J. Goetzen, D. Freeman 1996-5-1 18110 Riverside San Bernardino Mtns, Morongo Indian Reservation, natural pond & bog at SE edge of Burro Flats 1100 Comment
  RSA740616  Bromus grandis Scott D. White, Justin M. Wood 2008-6-19 12254 Riverside USFS Rd (5S08) between Keen Camp Summit and Baldy Mtn. 1524 Comment
  POM147497  Bromus hordeaceus F. M. Reed 1928-4-18 5860 -B Riverside Vail Ranch west of Aguanga. Comment
  UCR156368  Bromus madritensis T. B. Salvato, Kent Beaman 2005-5-16 874 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
  CLARK-A1528-4552  Bromus rubens John C. Roos 1937-5-1 1409 Riverside La Sierra Comment
  LA13823  Bromus rubens F. M. Reed; 1907-6-16 1404 Riverside Upper South Fork of Arroyo Tahquitz [?] 396 Comment
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Jan 18 2014
  RSA652809  Bromus rubens Colleen Callan 1992-4-25 20 Riverside Yucca Valley. 10 freeway east to Highway 62 east. North on Hwy 247. West on Pipes Canyon Road for Five miles. 1249 Comment
  SEINET3923284  Bromus rubens D. Atwood, L. Stritch 1993-4-2 17890 Riverside Santo Rosa Plateau TNC Preserve & adjacent to BLM administrated lands.; 0 671 Comment
  UCR27199  Bromus rubens Marlyce Myers 1980-4-25 s.n. Riverside Motte Reserve, in the rocky hills 2.5 mi NW of Perris. S end of the Reserve 518 Comment
  UCR120936  Bromus tectorum A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24957 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR137501  Bromus tectorum D. L. Banks, V. W. Steinmann 1997-3-13 1489 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
  UCR230762  Bromus tectorum A. C. Sanders, T. B. Salvato 2011-3-30 38894 Riverside Peninsular Range, city of Lake Elsinore, N of Pasadena St. c. 0.35 km NW of Central Ave. intersection 385 Comment
  JEPS46418  Bursera microphylla Marjorie Clary 1939-3-2 Riverside Martinez Canyon Santa Rosa Mts. Comment
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Jul 16 2008
  SD126469  Caesalpinia spinosa Oscar F. Clarke 1988-11-23 Riverside Cultivated on Victoria Avenue between St. Lawrence & Adams Streets Comment
  RSA271846  Calandrinia ciliata C. W. Tilforth 1978-4-30 1580 Riverside Low, rounded hills east of Norco. Comment
  UCR102893  Calandrinia ciliata A. C. Sanders 1997-3-26 20101 Riverside Lake Skinner area, along foot trail at west base of Tucalota Hills 518 Comment
  UCR250126  Calandrinia ciliata A. C. Sanders 2014-4-8 40985 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 0.35 km NW of El Hermano Rd., c. 0.95 km SE of I-15 crossing 315 Comment
  SBBG89258  Calandrinia menziesii J. Adams 1966-3-12 437 Riverside Hwy 74, 5 mi E of Elsinore, toward Perris 304 Comment
  RSA198961  Callitriche heterophylla subsp. bolanderi R. F. Thorne, P. A. Munz, E. W. Lathrop 1968-5-8 37594 Riverside Santa Rosa Plateau, Rancho California 610 Comment
  RSA757464  Callitriche marginata R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55208 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road. 730 Comment
  MACF019487  Calocedrus decurrens Trudy R. Ericson 1974-11-9 265 Riverside St. 243 from Banning to Idyllwild about 1 mi. south of intersection of St. 243 and Vista Grande Road. 1645 Comment
  UCR262257  Calochortus concolor T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3728 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
  UC729899  Calochortus invenustus Carl B. Wolf 1932-8-5 Riverside on trail from Tahquitz Valley to San Jacinto Peak (fork of Tahquitz Creek); San Jacinto Mts., Tahquitz Creek 2743 Comment
  UCR115941  Calochortus splendens Mitch Provance 1998-6-11 676 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville; housing development now known as Southridge 320 Comment
  UCR261691  Calochortus weedii var. weedii Dick Newell, Judy Booth 2014-6-22 380 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, South Main Divide Road 0.2 mi. NW of the Morgan Trailhead 872 Comment
  JOTR35456  Calycoseris parryi Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 60 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop3) Comment
  POM351421  Calycoseris wrightii N. C. Cooper 1949-4-8 3312 Riverside Desert Center. 609 Comment
  RSA472424  Calycoseris wrightii Robert Gustafson 1980-4-3 1528 Riverside Orocopia Mountains, about 4 miles east of Mecca on Box Canyon road. 213 Comment
  RSA0051770  Calycoseris wrightii A. Lee Haines 1974-4-8 s.n. Riverside North side of Orocopia Mountains. 396 Comment
  UC1584109  Calyptridium monandrum Steve Boyd, Tim Ross, Laurel Arnseth 1990-3-29 3833 Riverside at n side of mouth of Temecula Creek Canyon (and adjacent benches on s flank of Big Oak Mountain); Vail Lake Area, Temecula Creek Canyon 396 Comment
  UC473451  Calyptridium monandrum John Thomas Howell 1930-5-10 4806 Riverside at to of St. John's Grade Comment
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Jul 5 2010
  SEINET5336237  Calyptridium monandrum I. W. Clokey 1935-4-18 6616 Riverside Gavilan Mesa Comment
  UC7763  Calyptridium monospermum H. M. Hall July, 1901 2352 Riverside Tauquitz Valley; San Jacinto Mountains, Tauquitz Valley 2438 Comment
  SDSU17443  Calyptridium parryi var. parryi C. Matt Guilliams, Michael and Lori Simpson, Mike Silveira 2007-6-25 375 Riverside San Jacinto Wilderness State Park, summit of San Jacinto Peak. Ca. 10 meters west of sign marking high point, in sandy opening among boulders. 3292 Comment
  UCR174042  Calystegia macrostegia A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32520 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 640 Comment
  LA50062  Calystegia macrostegia subsp. cyclostegia Roxana S. Ferris; Ruth P. Rossbach 1930-5-20 sn Riverside foot of grade, State Highway #74, along San Jacinto River Comment
  UCR120172  Calystegia macrostegia subsp. intermedia Mitch Provance 1998-2-28 122 Riverside Jurupa Mountains, NE 'Wilder's Canyon', (what is sometimes referred to as the E fork of Pyrite Canyon) 351 Comment
  CAS-BOT-BC221319  Calystegia macrostegia subsp. tenuifolia John Thomas Howell 1930-5-10 4801 Riverside At top of St. John's Grade Comment
  RSA583740  Calystegia macrostegia subsp. tenuifolia Steve Boyd 1995-4-24 8491 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
  UCR137352  Camissonia 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
  RSA559346  Camissonia bistorta Steve Boyd, T. S. Ross 1992-5-15 7396 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 671 Comment
  UCR59923  Camissonia bistorta Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouth of Rice and McVicker Canyons 488 Comment
  UCR50654  Camissonia brevipes subsp. brevipes B. A. Prigge 1988-2-21 7837 Riverside Sonoran (Colorado) Desert, Orocopia Mtns. 2 mi west of Clemens Well 229 Comment
  JOTR29607  Camissonia californica Andre, Jim 2006-4-26 6744 Riverside Joshua Tree National Park. about 0.5 mi. NNE of Rattlesnake Spring on ridge just south of radio tower and NE corner of park boundary 1320 Comment
  RSA68293  Camissonia californica Verne Grant, Alva Grant 1951-4-7 15981 Riverside Colorado Desert, Morongo Valley road [Hwy 62] ca. 1 miles North of Highway 60 671 Comment
  UCR102924  Camissonia californica George K. Helmkamp 1998-2-5 2641 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Palm Springs, 1.1 mi. west of Calif. Hwy 111 on Tramway Rd. 335 Comment
  UCR225712  Camissonia californica A. C. Sanders 2011-3-30 38915 Riverside Peninsular Range; SE edge Gavilan Hills, along north side of Hwy 74 at Riverside Street, just outside city limits of Lake Elsinore 479 Comment
  UCR277102  Camissonia campestris Robert J. Steers, Chris E. True 2008-3-25 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Snow Creek Canyon, north of Snow Creek Village NE of where the Pacific Crest Trail crosses Snow Creek Rd. 364 Comment
  SBBG24967  Camissonia campestris subsp. campestris D. Myrick 1966-4-2 1345 Riverside Palms to Pines Hwy 74, ca. 5 mi W of Palm Desert Comment
  UC1329993  Camissonia campestris subsp. campestris James E. Cole 1941-5-17 707 Riverside Covington Flat Canyon Joshua Tree National Monument 1219 Comment
  JOTR32445  Camissonia cardiophylla subsp. cardiophylla La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2211 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; large wash at mouth of rocky, narrow canyon 719 Comment
  UCR104013  Camissonia claviformis George K. Helmkamp 1998-4-4 3136 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  VVC704  Camissonia claviformis P. J. MacKay, T. Thomas 1997-2-8 93 Riverside Colorado Desert, Palm Springs; vacant lot on Bogart Trail (street). 169 Comment
  POM257260  Camissonia claviformis subsp. aurantiaca Margaret Stason 1927-3-12 s.n. Riverside Painted Canyon, Colorado Desert. Comment
  RSA449188  Camissonia claviformis subsp. aurantiaca N. C. Cooper 1949-4-8 3269 Riverside Mecca Pass east of Indio. 549 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
  SDSU3349  Camissonia confusa H. Wedberg 1958-3-30 187 Riverside At Upper San Juan Campground, on Hwy 74. Comment
  UCR133370  Camissonia confusa Jeffrey Ross, T. B. Salvato 1998-5-28 MOR- 294 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, c. 3.5 miles NNW of Cabazon 915 Comment
  UCR36042  Camissonia confusa R. F. Thorne, Et al. 1983-4-23 55481 Riverside San Bernardino Mtns, Sandy wash along Whitewater River where road crosses river below fish hatchery, c. 4 mi north of Whitewater Post Office 640 Comment
  UCR50297  Camissonia hirtella B. G. Pitzer, Et al. 1987-5-23 0566 Riverside San Bernardino Mtns., Whitewater Canyon, from N edge of Fish Hatchery to c. 0.5 mi north of it; c. 5.5 mi north of I-10 on Whitewater Cyn Rd. 732 Comment
  RSA543866  Camissonia ignota Steve Boyd 1991-5-13 6248 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
  SEINET3093305 Image available Camissonia pallida George K. Helmkamp 1986-4-7 756 Riverside Vicinity of Big Morongo Valley; just E of and parallel to Hwy 62, above Indian Ave. 579 Comment
  RSA449220  Camissonia pallida subsp. pallida H. de Forest 1933-4-16 17594 Riverside Chino Canyon, Colorado Desert, E of Coachella Valley Comment
  RSA0024820  Camissonia refracta Duncan S. Bell, Kim Clark, Bob Ellis, Pam McKay, Jim Pittman, Gene Ratcliff, Ed Schlegel, Felicia Sirchia 2013-2-24 4466 Riverside Orocopia Mountains; south end of range, north of the Coachella Canal, approximately 3 air miles northeast of Dos Palmas Springs. 182 Comment
  SEINET269548  Camissonia refracta John Wear 1995-3-22 Riverside Colorado Desert:chuckwalla Bench upper Salt Creek wash west of Eagle Mountain Railroad 488 Comment
  RSA716402  Camissonia strigulosa Scott D. White, Angelia Carey 2004-4-5 10012 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  RSA740955  Camissonia strigulosa Scott D. White, Justin M. Wood 2008-6-18 12226 Riverside San Jacinto Mountains: K Flat Meadow. 1433 Comment
  UC917876  Camissoniopsis bistorta Frank W. Gould 1943-4-17 2125 Riverside 12 mi s Corona (on road to Elsinore) Comment
  UC130498  Camissoniopsis hirtella Mrs. C. M. Wilder 1909-7-10 954 Riverside Strawberry Canyon and Strawberry Valley San Jacinto Mts. Comment
  SBBG101791  Camissoniopsis intermedia S. Boyd, T. Ross, M. Hammitt 1991-5-2 6044 Riverside SW and W flanks of Billy Goat Mtn, 3 mi N of Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  UC668392  Camissoniopsis pallida subsp. hallii Annie M. Alexander and Louise Kellogg 1941-4-24 2072 Riverside gorge of Dry Morongo Creek Mohave Desert, Morongo Valley 640 Comment
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Sep 18 2012
  UCSB4448  Camissoniopsis pallida subsp. pallida Long, Frances 1939-12-31 Riverside Indio Comment
  UCR37463  Capsella bursa-pastoris Steve Boyd 1981-4-8 s.n. Riverside Peninsular Range, Dawson Canyon, Gavilan Hills Comment
  UC10417  Cardamine californica var. integrifolia W. H. Brewer Jan 1861 138 Riverside Agua Fria Canyon; Santa Ana Mountains Comment
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Jul 5 2010
  CAS-BOT-BC281704  Carduus pycnocephalus R. D. Goeden; D. W. Ricker 1971-5-4 s.n. Riverside Box Springs Mountains: Highgrove, National Orange Co. property beyond E end of Palmyrita Ave 412 Comment
  CHSC114442  Carex abrupta P. F. Zika; Nick Otting 2010-8-3 25241 Riverside Vicinity of Willow Creek. San Jacinto Wilderness Area, San Jacinto Mountains (SnJt), Peninsula Ranges. 2550 Comment
  RSA0100141  Carex fracta Duncan S. Bell, Sandra Llamas, Koto Tikande 2015-7-16 8585 Riverside Santa Rosa Mountains; collecting on forested slope between forest service road and the summit of Santa Rosa Mountain. 2324 Comment
  UC1930173  Carex multicaulis Valerie Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1699 Riverside San Jacinto Mountains; junction of Dark Canyon and Fuller Mill Creek Comment
  UC1930096  Carex praegracilis Scott D. White, Justin Wood 2008-6-5 12089 Riverside San Jacinto Mountains: Garner Valley: Hwy 74 @ Thomas Mountain Rd. - SW corner of junction. Comment
  SD153013  Carex senta Steve Boyd, Tim Ross, Dave Bramlet 1992-9-9 7664 Riverside So. Sta. Ana Mtns, San Mateo Cyn Wilderness Area. Upper San Mateo Cyn, fr. jctn of Tenaja Rd (7S01) & Los Alamos Rd (7S04) at the confluence of Los Alamos Creek, up the San Mateo Trail no. to Potrero de la Cienega. etc. 395 Comment
  SEINET12649866 Image available Carex senta Peter F. Zika, Nick Otting 2010-1 25243 Riverside 2550 Comment
  SD136989  Carex spissa Steve Boyd, Tim Ross, Dave Bramlet 1993-5-13 7375 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Wildhorse Canyon; from confluence with Los Alamos Canyon upstream approx. 1 mile; common in seepy ground understory of oak woodland on slope in side drainage just above first major waterfall. 410 Comment
  RSA682458  Carex subfusca Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8643 Riverside Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  SD136988  Carex triquetra Steve Boyd, Tim Ross 1992-6-10 7640 A Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, San Mateo Canyon about Potrero Escondido, west of junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main truck of San Mateo Creek. 671 Comment
  UCR271492  Carpobrotus chilensis A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42407 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  SD134198  Castilleja affinis subsp. affinis R. Mitchel Beauchamp 1972-4-16 3299 Riverside Pauba Valley, N of Highway 71-79 430 Comment
  UC885366  Castilleja applegatei subsp. martinii C. Epling and Wm. Robison 1935-6-30 Riverside above Marion Camp (Mt. San Jacinto); Mt. San Jacinto Comment
  SBBG118603  Castilleja densiflora H. and M. Dearing 1939-4-5 3097 Riverside Hemet Valley Comment
  UCR60718  Castilleja densiflora subsp. gracilis K. Tomlinson, D. Kama, R. F. Thorne 1985-3-27 888 Riverside Santa Rosa Plateau, Mesa de Colorado 610 Comment
  UC1537443  Castilleja exserta Gordon H. True Jr. 1935-3-14 100 Riverside near Gavilan Peak; Gavilan Hills 609 Comment
  UCR154640  Castilleja exserta A. C. Sanders, T. B. Salvato 2005-4-28 29770 Riverside Peninsular Ranges, Gavilan Hills; north of Santa Rosa Rd., 1 mi. SW of Ida Leona Mine 625 Comment
  UCR236903  Castilleja exserta Duncan S. Bell, Valentin Arvizu 2010-5-10 980 Riverside San Jacinto Mountains, San Bernardino National Forest, Garner Valley, c. 1.1 air mi southeast of junction of FS Road 6S13 and FS Road 6S04 1349 Comment
  RSA741067  Castilleja exserta subsp. exserta Scott D. White, Justin M. Wood 2008-6-5 12075 Riverside San Jacinto Mountains: Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  CLARK-A1528-845  Castilleja foliolosa Fred B. Essig 1967-4-2 Riverside 761 Comment
  RSA507946  Castilleja foliolosa Steve D. Boyd, C. Boyd, K. Boyd, R. Noyes, L. Arnseth 1988-5-28 2264 Riverside Cahuilla Mountain, west of Anza, mostly along the crest. 1500 Comment
  RSA0010912  Castilleja minor subsp. spiralis Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2136 Riverside Santa Rosa Mountains. Comment
  UCR91372  Caucalis microcarpa Scott D. White 1995-4-5 2757 Riverside Perris Valley, Lakeview Mountains; SW of Juniper Flat Road 579 Comment
  JOTR33735  Caulanthus cooperi La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2735 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Exposed aplite vein forming a prominent rib line with loose, cobble slope surrounding it (Stop 3) Comment
  UC857440  Caulanthus cooperi K. Watkins and E. McClintock 1937-4-10 Riverside Palms-to-Pines Highway near road to Shumway; near road to Shumway Comment
  UCR75039  Caulanthus lasiophyllus A. C. Sanders, E. J. Lawlor 1992-4-4 12153 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA575066  Ceanothus crassifolius Steve Boyd 1981-3-4 810304 -Q 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
  UCR98060  Ceanothus crassifolius A. C. Sanders 1997-3-1 19728 Riverside Box Springs Mountains, Pigeon Pass, canyon below Regulus Road, 0.6 mi. west of Pigeon Pass Road., 0.4 mi. east of Bench Mark 'Table' (2559 ft). 610 Comment
  RSA0019603  Ceanothus crassifolius Douglas A. Springer 1981-2-16 12 Riverside 3.9 miles NW of California State Hwy. 74 on Santa Rosa Rd. approx. 5 miles from Perris. [Gavilan Hills] 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
  OBI78290  Ceanothus integerrimus Carl B. Wolf 1941-8-15 11155 Riverside Santa Ana Mts Santiago Peak, N side 1/2 mi from summit Comment
  POM305701  Ceanothus leucodermis Henry J. Ramsey, Henry J. Ramsey 1939-4-22 1038 Riverside Hemet-Anza, Bautista Creek Road. Comment
  UCR138754  Ceanothus leucodermis Scott D. White 1997-5-18 5183 Riverside San Jacinto Mtns., 'Black Mountain Scenic Area,' Black Mountain Trail between Hwy 243 and Cinco Poses Trail junction 1829 Comment
  UCR16488  Ceanothus leucodermis P. A. Rauch 1966-4-5 s.n. Riverside San Jacinto Mtns., [Hwy 74] at hairpin turn [White Post Turn], roadside 1098 Comment
  UCR172762  Ceanothus leucodermis Abby Sirulnik 2000-5-7 37 Riverside Peninsular Ranges; San Jacinto Mtns., Calif. Hwy 243, c. 6 mi. south of Poppet Flat Road 1646 Comment
  RSA0018960  Ceanothus leucodermis N. C. Cooper 1944-6-17 1444 Riverside San Jacinto Mtns. Pine Cove. 1524 Comment
  RSA263748  Ceanothus oliganthus E. W. Lathrop 1968-5-22 6905 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak. Cleveland National Forest 1220 Comment
  RSA606741  Ceanothus ophiochilus Jon E. Keeley 1996-5-13 27410 Riverside In on N side of Agua Tibia Range, 2-3 km S of Agua Tibia Wilderness boundary gate on trail extending ca. 100 m S of enclosed reservoir on ridge SE of Woodchuck Resort at end of Woodchuck Rd., S of Hwy 79. 1000 Comment
  UC1071429  Ceanothus tomentosus A. Lewis 1934-3-4 308 Riverside Tin Mine Canyon Cleveland National Forest, Corona Quad. Comment
  UCR138817  Ceanothus tomentosus subsp. olivaceus D. L. Banks 1997-2-17 1284 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation, along Magee Truck Trail between the headwaters of Pala Creek at the southern extremity of the Reservation to the Riverside/San Diego County line border 482 Comment
  UCR95727  Cenchrus incertus D. L. Banks, Lauren Raz 1996-8-29 1133 Riverside Agua Tibia Mtns., NW Palomar Mtns, NW foothills of Dorland Mtn. Los Caballos Road, c. 0.5 m south of Hwy 79, 100 m north of the Golf Course access road. 399 Comment
  RSA707577  Centromadia pungens subsp. laevis Jasmine Watts 2005-7-19 s.n. Riverside Hemet. South of Highway 74, and west of Warren Road. Comment
  SD134522  Centromadia pungens subsp. laevis Craig Reiser 1991-4-30 Riverside North of the San Jacinto River, southeast of Lake Perris and the expressway Comment
  UC1584124  Centromadia pungens subsp. laevis D. Bramlet 1990-7-26 2062 Riverside just e Diaz Rd. (and within the Murrietta Creek Channel, at the Rancho California St. bridge in Temecula); Murietta Creek 330 Comment
  RSA0087147  Centromadia pungens subsp. laevis F. W. Peirson 1924-6-21 4762 Riverside Near Temecula. 335 Comment
  UCR243513  Centrostegia thurberi Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21081 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, up side canyon approx. 400 m. west of main canyon drainage 1172 Comment
  JEPS57818  Centrostegia thurberi var. thurberi W. L. Jepson 1914-5-18 5992 Riverside n of Indio (Pinyon Well); Pinyon Well 762 Comment
  GMDRC2049  Cercocarpus betuloides var. betuloides J. Andre 2006-4-26 6783 Riverside Little San Bernardino Mountains: Joshua Tree National Park: Long Canyon, approx. 2.3 mi. S. of NE corner (boundary) of park Near 34.06072 deg. N 116.44711 deg. 43681' W. Elev. 3463 ft. 1056 Comment
  UC527317  Cercocarpus betuloides var. betuloides C. B. Wolf 1931-5-11 1950 Riverside near Pipe Creek (above Hemet Valley, San Jacinto Mountains); San Jacinto Mountains 1676 Comment
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Mar 24 2011
  UCR183179  Cercocarpus betuloides var. betuloides Mitch Provance 2003-5-5 4412 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  CAS-BOT-BC177411  Chaenactis carphoclinia Sarah J. De Groot; Leland Lubinsky; Naomi Fraga; Lisa Rojas 2005-2-10 4615 Riverside Along Palen pass Road, near Palen Pass, between Granite and Palen Mountains 402 Comment
  CAS-BOT-BC276388  Chaenactis carphoclinia Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  UCR196354  Chaenactis carphoclinia Naomi Fraga, Lisa Rojas 2005-2-10 1384 Riverside Northeastern Colorado Desert, just north of Palen Pass Road, c. 10 mi east of Hwy 177 361 Comment
  JOTR37716  Chaenactis carphoclinia var. carphoclinia Hodges, Stephen R., L. Ashfield 2016-1-20 647 Riverside Joshua Tree National Park. Eagle Mountains, south of Black Eagle Mine road, near eastern park boundary. Rocky hills and slopes with desert pavement. Comment
  RSA124329  Chaenactis carphoclinia var. carphoclinia Percy C. Everett, E. K. Balls 1958-4-29 23012 Riverside Hwy 60/70, Indio to Blythe, 6.5 miles E from Jct with Hwy 9 244 Comment
  RSA731020  Chaenactis carphoclinia var. carphoclinia Michael Wall 2008-4-26 451 Riverside Chuckwalla Mountains; Corn Springs wash at Corn Springs Rd. crossing ca. 8.0 miles SW of Chuckwalla Rd. 435 Comment
  UC69070  Chaenactis carphoclinia var. carphoclinia H. M. Hall 1905-4-24 5904 Riverside near Chuckawalla Springs Colorado Desert, Chuckawalla Springs Comment
  CAS-BOT-BC276911  Chaenactis fremontii Palmer Stockwell 1940-4-24 1505 Riverside 1 mile E of Banning Comment
  UCR234802  Chaenactis fremontii Jim Andre, Glenn L. Clifton 2011-2-22 17475 Riverside Coachella Valley, North Palm Springs c. 0.3 mi north of Hwy 111, at corner of San Rafael and Virginia Street 189 Comment
  UCR269114  Chaenactis fremontii Orlando Mistretta, Duncan S. Bell, et al. 2010-4-12 4517 Riverside San Bernardino Mountains, Whitewater Canyon, along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center, Whitewater Trout Farm, in the vicinity of Bonnie Bell 526 Comment
  UCR8406  Chaenactis fremontii Sally Bell 1964-4-18 s.n. Riverside Sonoran (Colorado) Desert; Coachella Valley, Desert Hot Springs, east side of Indian Canyon Dr., c. 3 miles from Twentynine Palms Highway [Hwy 62] junction 366 Comment
  UCR87661  Chaenactis fremontii A. C. Sanders 1994-5-29 14563 Riverside San Bernardino Mtns, Millard Canyon, at stream crossing just below site of Millard Station on Forest Service Road 2S05 1100 Comment
  UC1951107  Chaenactis glabriuscula Scott D. White, Justin Wood 2009-5-22 12910 Riverside SAN JACINTO MOUNTAINS: Idyllwild area; Strawberry Fuelbreak between Strawberry Creek and road to sewage ponds. USGS Blackburn Canyon 7.5' Quad. Comment
  POM158451  Chaenactis glabriuscula var. glabriuscula Philip A. Munz 1927-5-21 10877 Riverside 10 miles SW of Coahuila [now Cahuilla] Comment
  SD173226  Chaenactis glabriuscula var. glabriuscula Juergen Schrenk 2006-5-7 52 Riverside Anza Borrego State Park, Pacific Crest Trail above Tule Spring. (IPB 4/07) Comment
  RSA97129  Chaenactis glabriuscula var. glabriuscula Philip A. Munz 1925-5-20 9826 Riverside 2 miles W of Dripping Spring. 427 Comment
  JOTR37509  Chaenactis stevioides Hodges, Stephen R. 2016-3-1 635 Riverside Joshua Tree National Park. Northern edge of the Eagle Mountains where they border the Pinto Basin. Approximately 3 kilometers west of Pinto Wells. Ascending up towards the ridge line on loose unconsolidated sand ramps Comment
  UC69078  Chaenactis stevioides H. M. Hall 1905-4-23 5874 Riverside Chuckawalla bench Colorado Desert, Chuckawalla Comment
  POM2807  Chamaesyce albomarginata Robinson, Crocker 1916-3-29 s.n. Riverside Santa Ana Mountains, sandy foothills near Lake Elsinore. Comment
  RSA0013034  Chamaesyce albomarginata LeRoy Gross, Caitlin Elam 2013-5-14 6057 Riverside Garner cattle company (Garner ranch), east of Lake Hemet, and highway 74. West of the ranch's buildings. North of the road to the buildings, and south of the old landing strip. 1332 Comment
  RSA180451  Chamaesyce albomarginata E. W. Lathrop 1960-6-6 4840 Riverside 14 miles west of Murrieta. Comment
  RSA27703  Chamaesyce albomarginata C. L. Hitchcock 1940-4-2 5925 Riverside Cottonwood Spring wash, Joshua Tree National Monument. Comment
  RSA0080445  Chamaesyce micromera Sarah J. De Groot, Amy Rouillard 2015-9-15 7576 Riverside Along Eagle Mountain Road north of I-10, at large wash crossing. West of Desert Center, western Chuckwalla Valley. 314 Comment
  UC536795  Chamaesyce micromera Louis C. Wheeler 1931-11-26 369 Riverside Colorado Desert, Salton Bench Mark -15 Comment
  RSA432416  Chamaesyce ocellata M. B. Dunkle 1933-3-4 3061 Riverside Painted Canyon, Colorado Desert. 30 Comment
  RSA535080  Chamaesyce polycarpa Steve Boyd, T. S. Ross 1991-11-10 6628 Riverside Gavilan Hills, Harford Springs Park. Rocky slope of ridge on W side of large juniper grove area at th north-central end of the park. Comment
  RSA433513A  Chamaesyce polycarpa var. polycarpa Julian P. Donahue 1980-8-10 s.n. Riverside 12 mi S of I-10 on Wiley Well RD (= 3 mi S of Wiley Well), Coon Hollow Camp Ground. Outwash plain , S end of Mule Mts. Creosote bush scrub. 244 Comment
  RSA644206  Chamaesyce polycarpa var. polycarpa V. W. Steinmann 1999-10-26 1416 Riverside foothills of the Chuckwalla Mountains, open desert ca. 2 km south of Desert Center. 325 Comment
  RSA640168  Chamaesyce prostrata L. C. Wheeler 1964-10-10 8634 Riverside 3030 Oak Ave. Corona. Comment
  RSA592456  Chamaesyce setiloba L. C. Wheeler 1966-10-15 8983 Riverside San Jacinto Mountains. By Black Hill, by Pines to Palms Highway. 976 Comment
  SEINET9457538  Chamaesyce setiloba L. Harris 1928-6-28 113 Riverside Indio. Comment
  UCR89885  Cheilanthes clevelandii A. C. Sanders 1995-11-26 17912 Riverside Tule Creek Valley, NE of Tule Peak, between Aguanga and Anza, south of Hwy 371 1311 Comment
  SFV13136  Cheilanthes covillei M. J. Thor 1982-9-17 147 Riverside San Jacinto Mountains Idyllwild Park. 1616 Comment
  UC667375  Cheilanthes covillei Annie M. Alexander and Louise Kellogg 1941-5-4 2119 Riverside Barker Dam; Joshua Tree Nat'l Monument 1322 Comment
  UCR194819  Cheilanthes newberryi Scott D. White 2006-4-27 11312 Riverside Perris Basin/San Jacinto Mtn Foothills, Santa Rosa Hills, south of Hemet 610 Comment
  JOTR35149  Cheilanthes parryi La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3261 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash (Stop 4) Comment
  UC1400744  Cheilanthes parryi Alan R. Smith 1973-3-24 576 Riverside ca. 5 mi n of Interstate 10 from Chiriaco Summit Palm Canyon; Joshua Tree Nat'l Monument Comment
  UCSB38684  Cheilanthes parryi Cowan, Clark 1978-4-23 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon 570 Comment
  RSA597245  Cheilanthes viscida A. C. Sanders, G. Helmkamp, L. Lubinsky, C. L. Sanders 1995-1-29 15899 Riverside San Jacinto Mountains/Colorado Desert: Chino Canyon near Palm Springs, 1.8 miles above Palm Canyon Road (Hwy 111) on the road to the tram station, vicinity of the upper end of the flood control dike. 548 Comment
  RSA598052  Cheilanthes viscida S. B. Parish, W. F. Parish 2310 Riverside Whitewater (Desert side of San Bernardino Mts.) Comment
  CSUSB1591  Chenopodium album Deborah Sullivan 1973-7-4 Riverside Glen Avon Glen Avon 243 Comment
  SD70909  Chenopodium album Helen V. Witham 1969-7-2 180 Riverside De Luz Creek crossing, 4 mi north of De Luz. Comment
  CLARK-A1528-2557  Chenopodium ambrosioides var. anthelminticum John C. Roos 1952-6-10 5756 Riverside Santa Ana River 259 Comment
  UCR103221  Chenopodium berlandieri Scott D. White 1994-10-17 2464 .2 Riverside Temecula Valley, Murrieta Creek channel, downstream from confluence with Santa Gertrudis Creek, south of bridge at Winchester, north of Long Valley Road. 305 Comment
  VVC1454  Chenopodium berlandieri A. C. Sanders, J. Mac 1996-11-23 19654 Riverside San Bernardino Mtns., Whitewater Canyon, just below the fish hatchery 648 Comment
  RSA594121  Chenopodium californicum D. L. Banks, Victor Steinmann 1996-4-20 884 Riverside NW Palomar Mountains; Agua Tibia Mountains; N face of Dorland Mtn., on the W side of the Dorland Mountain Arts Colony; Along the road to the Dorland Mountain Arts Colony, approximately 100 m S from its junction with Hwy. 79., Area just north of Sec.19. 484 Comment
  RSA0110603  Chenopodium missouriense Mitch Provance 2012-9-11 17623 Riverside Badlands of Western Riverside County: Beaumont, near N base of Mt. Davis, near Cooper's Creek (tributary of San Timoteo Creek), about 2000 ft, along dirt road extension of Risco Circle, S of W 4th St. 762 Comment
  SEINET238516  Chenopodium missouriense A. C. Sanders, Mitch Provance 2000-10-16 23721 Riverside Railroad right of way between Watkins Dr. and Campus View Dr. near site of Lemona siding. 335 Comment
  UCR115160  Chenopodium missouriense Mitch Provance 2000-10-14 2250 Riverside Jurupa Mountains, Belltown, SW side of Market St (Crestmore Rd.) at Bell Ave. 259 Comment
  UCR274001  Chenopodium missouriense Mitch Provance 2012-9-11 17623 Riverside Badlands of Western Riverside County, Beaumont, near N base of Mt. Davis, near Cooper's Creek (tributary of San Timoteo Creek), about 2000 ft., along dirt road extension of Risco Circle, S of W 4th St. 762 Comment
  RSA784961  Chenopodium murale Duncan S. Bell 2012-3-18 3225 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  RSA653232  Chenopodium pratericola A. C. Sanders, Mitch Provance, T. B. Salvato 2000-4-18 23325 Riverside Coachella Valley: along Dillon Rd. at junction with Tyler, north of I-10, E of Indio and N of Coachella. 5 Comment
  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
  RSA0011036  Chilopsis linearis Kristin Forgrave, Sarah De Groot 2013-6-4 13 Riverside Box Canyon Rd near Salton Sea, by end of rocks 67 Comment
  RSA342559  Chilopsis linearis R. F. Thorne, W. A. Tilforth 1980-5-28 54203 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
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Jun 25 2008
  CAS-BOT-BC540727  Chilopsis linearis subsp. arcuata Sarah J. De Groot; Duncan S. Bell 2015-5-14 7373 Riverside White Water, along Pacific Crest Trail about 400 m S of Forks 3028, and abut 450 m S of Red Dome. SE side of San Bernardino Mtns. 768 Comment
  LA99447  Chilopsis linearis subsp. arcuata Hisao P. Arai; 1957-4-18 sn Riverside Box Canyon, near Mecca; off Highway 195 Comment
  UCR281913  Chilopsis linearis subsp. arcuata A. C. Sanders, Jim Malusa 2017-9-19 43330 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, c. 1.35 km SW of Tabaseca Tank 634 Comment
  UCR140310  Chloracantha spinosa Stan C. Spencer 2004-8-4 s.n. Riverside San Jacinto Valley, Hemet-Ryan Airport, SW of Hemet near intersection of Warren Rd. and Stetson Ave., west end of airport 457 Comment
  RSA192175  Chlorogalum parviflorum E. W. Lathrop 1966-6-1 6370 Riverside 14 miles NW of Murrieta, Los Alamos Road between Fisherman Camp and Main Divide Truck Trail. Cleveland National Forest. Comment
  CAS-BOT-BC191715  Chorizanthe brevicornu var. brevicornu John H. Thomas 1957-3-30 6527 Riverside 0.8 miles E of Cactus City, about 13 miles E of Coachella, near U.S. Highways 60 and 70. Colorado Desert 518 Comment
  JOTR16632  Chorizanthe brevicornu var. brevicornu Vanderspek & Nolte 1964-4-17 s.n. Riverside Joshua Tree National Park. Comment
  JOTR16806  Chorizanthe brevicornu var. brevicornu Vanderspek & Youse 1964-4-19 s.n. Riverside Joshua Tree National Park. WILSON CANYON Comment
  RSA392614  Chorizanthe brevicornu var. brevicornu N. C. Cooper 1949-4-8 3304 Riverside Desert Center. 610 Comment
  UCR167859  Chorizanthe coriacea T. B. Salvato, Melissa Clemons 2005-6-2 1332 Riverside Peninsular Range; Temescal Valley, Gavilan Hills, c. 0.5 mi SE of Steele Peak, 4 miles SW of Perris, and 6 miles NNE of Lake Elsinore, NW of Hwy 74 610 Comment
  UCR18098  Chorizanthe coriacea O. F. Clarke 1967-5-2 s.n. Riverside Pigeon Pass in the Box Springs Mtns behind UC Riverside campus 610 Comment
  RSA518037  Chorizanthe corrugata Steve Boyd, Orlando Mistretta 1986-3-13 1423 Riverside Palen Mountains; NE of Desert Center, jct. of Parker Dam Rd. and Palen Rd. (road going through pas between Palen and Granite Ranges). 244 Comment
  RSA674686  Chorizanthe corrugata Scott D. White 2001-4-27 8424 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway ca. 15 miles east of the Indio jtn. of I-10/ SR-111. Bajadas and washes adjacent to powerline access roads near unnamed freeway exit accessing pump station. 396 Comment
  HSC85276  Chorizanthe fimbriata var. fimbriata Steve Boyd 1986-5-1 1785 Riverside SW Perris Basin: Hill W of Skunk Hollow. Comment
  HSC85293  Chorizanthe fimbriata var. fimbriata Steve Boyd 1986-5-1 1817 Riverside Lower S slopes of Bachelor Mtn., E end of Lake Skinner Comment
  UCR116533  Chorizanthe parryi A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24183 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  UCR266366  Chorizanthe parryi var. parryi D. E. Bramlet 2005-5-6 3848 Riverside Perris-Aguanga Basin Region, San Jacinto Valley, west of Hemet, hill west of California Ave. and south of railroad tracks 503 Comment
  UCR176170  Chorizanthe polygonoides subsp. longispina John F. Green 2006-5-10 s.n. Riverside Peninsular Ranges, City of Murrieta; south of the Hogbacks. north of Hunter Road to Ramage Lane, between Calle de Amor on the E and Springview/Kiwebre Road on the W 402 Comment
  RSA562431  Chorizanthe polygonoides var. longispina D. E. Bramlet 1993-4-26 2334 Riverside Peninsular Range Temecula, c. 4 km south of intersection of Pauba Rd and Butterfield Stage Rd, 46-300 m west of Butterfield Stage Rd. 372 Comment
  JOTR35040  Chorizanthe rigida La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3493 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road on south-facing bajada among sonoran desert riparian washes. Comment
  JOTR35338  Chorizanthe rigida Harding, Mitzi, Mark Wheeler 2012-2-28 104 Riverside Joshua Tree National Park. Southeast Coxcomb Mountains; high saddle along wide ridge (Stop 3) 463 Comment
  SBBG99603  Chorizanthe rigida W. L. Halvorson 1977-3-8 77 87 a Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  RSA543899  Chorizanthe staticoides Steve Boyd 1991-5-20 6270 Riverside Santa Ana Mountains, NW of Lake Elsinore. Lower Rice Cyn, just inside Cleveland Nat. For. boundary. 573 Comment
  RSA585878  Chorizanthe staticoides D. L. Banks, Peter Morrell 1995-5-4 312 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, N of the Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, SE of the Dripping Springs Campground., On Arkose hills at the N base of the metasedimentary hills N of Wildhorse Peak. 537 Comment
  SD28075  Chorizanthe xanti var. leucotheca Carl B. Wolf 1932-5-25 3677 Riverside No. base of San Jacinto Mts. Snow Creek Canyon., 1 mi. below fish hatchery 395 Comment
  CDA19741  Chrysopsis villosa H. R. Leach 1958-9-12 s.n. Riverside Southern California; San Jacinto Mtn. 0 Comment
  SEINET11860603  Chrysothamnus paniculatus L. S. Rose 1935-12-21 35677 Riverside Colorado Desert, Whitewater Wash, 3 mi SE of Palm Springs Station 305 Comment
  JEPS23478  Chylismia arenaria Marjorie D. Clary 1932-12-18 1715 Riverside Clemens Well Colorado Desert, Orocopia Mountains (at foot of mountains) 243 Comment
  CAS-BOT-BC160594  Chylismia claviformis subsp. aurantiaca H. M. Hall 1905-4-1 5805 Riverside 10 miles west of Coachella 91 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
  UCR201499  Cirsium occidentale var. californicum Scott D. White, Justin M. Wood 2008-6-17 12181 Riverside San Jacinto Mountains, Garner Valley, USFS Kenworthy Station 1402 Comment
  RSA0070886  Cirsium scariosum G. R. Campbell 1951-5-30 16156 Riverside Northern end of Hemet Valley, San Jacinto Mountains. 1616 Comment
  RSA466606  Cistanthe monandra A. C. Life 1928-3-17 s.n. Riverside Colorado Desert, Painted Canyon Comment
  CAS-BOT-BC228717  Cistanthe umbellata H. M. Hall 1901-7-1 2352 Riverside San Jacinto Mountains. In open forests of Tauquitz [Tahquitz] Valley 2438 Comment
  UCR174267  Clarkia epilobioides A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32662 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
  SEINET255567  Clarkia purpurea Unknown 2005-5-7 30034 Riverside Peninsular Range, Agua Tibia Mountains: UC Emerson Oaks Reserve, ca 8 miles southeast of Temecula, S of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank. 457 Comment
  UCR232073  Clarkia purpurea John F. Green 2008-4-24 16- 03 Riverside Peninsular Range; SE Gavilan Hills, Lake Elsinore, west of Hwy 74 453 Comment
  RSA192050  Clarkia purpurea subsp. quadrivulnera E. W. Lathrop 1966-6-1 6361 Riverside Los Alamos Road, Tenaja Range, 14 miles NW of Murrieta. Comment
  SEINET6944614  Clarkia purpurea subsp. quadrivulnera W. P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside Just west of Perris, at base of Gavilan Hills. Comment
  CAS-BOT-BC164763  Clarkia rhomboidea Mrs. E. C. Van Dyke 1928-7-22 s.n. Riverside Idyllwild Comment
  POM122431  Clarkia rhomboidea Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  RSA0013150  Claytonia parviflora subsp. viridis LeRoy Gross, Duncan S. Bell 2013-4-30 6034 b Riverside Surveyed from Apela Drive, right at junction of road to sewage disposal ponds, south to Strawberry Creek. Started near 33.73367N, 116.75074W. And ended at 33.72912N 116.75098W. 1510 Comment
  RSA585628  Claytonia parviflora subsp. viridis D. L. Banks, Steve Boyd 1995-3-15 0063 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mountain, Dorland Mountain area. 689 Comment
  UCR60610  Claytonia parviflora subsp. viridis Steve Boyd, T. S. Ross, L. Arnseth 1989-4-1 3174 Riverside Peninsular Range, Vail Lake area; hills just to SW of the dam 488 Comment
  RSA386223  Clematis lasiantha E. Crow 1929-4-7 292 Riverside East end of Corona Skyline Drive, Santa Ana Mountains. Comment
  CHSC1440  Clematis pauciflora E. Thomas 1940-3-10 Riverside San Jacinto foothills. Comment
  RSA386290  Clematis pauciflora E. Crow 1929-3-17 199 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  RSA124985  Cleome isomeris P. H. Raven 1958-1-23 10409 Riverside Sandy wash along United States Highway 99 [Hwy 10], 7.8 miles west of Thousand Palms turnoff. Comment
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Sep 10 2011
  RSA543191  Cleome isomeris Steve Boyd, Timothy S. Ross, Mike Hammit 1991-5-2 6111 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
  UCR34880  Cnicus benedictus L. B. Ziegler 1974-5-26 528 Riverside San Jacinto Valley, city of San Jacinto 473 Comment
  UCR244399  Coleogyne ramosissima Jim Andre 2012-4-16 20980 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
  UCR175218  Collinsia Jennifer H. Jones 2006-6-6 396 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
  POM19573  Collinsia concolor Mary F. Spencer 1923-6-9 2166 Riverside In Idyllwild. 1646 Comment
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Oct 22 2011
  RSA0117432  Collinsia concolor D. L. Banks, Steve D. Boyd 1995-5-3 263 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UCR120345  Collinsia concolor Mitch Provance 1998-4-5 387 Riverside Reche Canyon, Reche Canyon Road, near intersection with Keissel Rd., c. 1 mile south of S.B.C./R.C. Line. 549 Comment
  RSA0117395  Collinsia parryi Fred M. Roberts, Robert L. Allen, Chris Barnhill 2003-4-26 5662 Riverside Upper San Juan Canyon, along San Juan Loop Trail, 0.8 km NNW Upper San Juan Campground. 520 Comment
  RSA0117389  Collinsia parryi E. W. Lathrop 1959-4-16 4473 Riverside 14 miles W of Murrieta. Tenaja plateau. Comment
  RSA0117388  Collinsia parviflora E. W. Lathrop 1965-5-9 5721 Riverside 6 miles W of Murrieta. Comment
  UCD112182  Colubrina californica C. S. Jones 1979-3-27 41 Riverside in southeast facing canyon about 300 yards from unnamed dirt road, approximately 5 miles north of I-10, 4 miles west of Desert Center. 426 Comment
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Mar 19 2013
  UCR78052  Commelina benghalensis M. R. Duvall 1992-6-19 199206 3 Riverside U.C. Riverside Campus just off 'Picnic Hill'. Roadway island east of Entomology building. Comment
  RSA544410  Conium maculatum Steve Boyd, Timothy S. Ross 1991-6-14 6378 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
  RSA618422  Convolvulus arvensis D. L. Banks 1997-5-5 1953 Riverside NW Palomar Mountains, Agua Tibia Mountains: Northwestern foothills of Dorland Mountain, at the intersection of Los Caballos Road and Anza Road, just south of the golf course. 427 Comment
  RSA588812  Conyza canadensis D. L. Banks, Steve Boyd 1995-10-17 0765 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along lower Arroyo Seco, S of the Dripping Springs Campground. Along the broad alluvial benches N of where Arroyo Seco turns to the E. 512 Comment
  JEPS6641  Cordylanthus nevinii P. A. Munz 1922-9-7 6408 Riverside on trail to Hidden Lake; San Jacinto Mts 2346 Comment
  JEPS6811  Cordylanthus nevinii Carl V. Meyer 1928-7-26 528 Riverside Roach Sawmill site San Jacinto Mountains 2072 Comment
  SD225115  Cordylanthus nevinii Scott D. White 1996-8-16 4484 Riverside San Jacinto Mts.: Idyllwild area: SW of Pine Cove and W of Bear Trap Cyn, in watershed above Alvin Meadows (tributary to Toll Rd. Cyn.) 1707 Comment
  UCR164284  Cordylanthus rigidus S. J. Myers 2001-7-16 s.n. Riverside Peninsular Range; San Jacinto Mtns, Bautista Canyon 951 Comment
  RSA0010997  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Colleen Wheeler 2010-7-19 1631 Riverside San Bernardino National Forest: Garner Valley, approximately 2.8 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1383 Comment
  RSA444564  Coreopsis bigelovii Walter Wisura 1988-3-23 4202 Riverside Highway 62 immediately E of Robinson Road, West of Twentynine Palms. Comment
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Sep 7 2013
  RSA1441  Coreopsis californica J. T. Howell 1929-2-14 1232 Riverside Temescal Canyon, 2 miles S of glen Ivy. Comment
  UC1608247  Coreopsis californica var. californica Steve Boyd, Tim Ross, and Orlando Mistretta 1992-2-26 6701 Riverside on broad sandy bench near coordinates given Santa Ana Mountains, San Mateo Cyn. Wilderness Area (San Mateo Cyn from Fisherman's Camp downstream to confluence with Bluewater Cyn. T7S R5W sec.28-29) 304 Comment
  CLARK-A1528-1782  Corethrogyne filaginifolia var. bernardina John C. Roos 1951-9-25 5272 Riverside Riverside 259 Comment
  UCR35136  Cornus nuttallii L. B. Ziegler 1968-5-23 303 Riverside San Jacinto Mtns, North Fork of San Jacinto River (Dark Canyon). 1829 Comment
  UCR94496  Cotula coronopifolia Steve Boyd 1982-4-27 s.n. Riverside Peninsular Range, Gavilan Hills, Temescal Canyon(Walker Canyon) between Alberhill Mtn & Gavilan Hills proper, just west of Warm Springs Valley, along I-15 396 Comment
  CAS-BOT-BC427596  Crassula aquatica P. A. Munz 1941-5-18 17069 Riverside North end of Santa Rosa Ranch, Elsinore Mts. 853 Comment
  RSA192159A  Crassula aquatica E. W. Lathrop 1966-5-1 6241 -A Riverside 3 miles W of Murrieta. Santa Ana Mountains Comment
  RSA613463  Crassula connata D. L. Banks, Victor Steinmann 1997-3-13 1429 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
  UCR266788  Crassula connata Mitch Provance, Matt Amalong, Eric Kline 2015-3-24 315- 05 Riverside Paloma Valley, Menifee, NE corner of the intersection of Scott Rd. and Menifee. 454 Comment
  RSA735852  Cressa truxillensis Scott D. White, Justin M. Wood 2008-4-15 11875 Riverside Perris Valley: Interstate 215, between Nuevo Rd and Scott Rd. 427 Comment
  UC128709  Crocanthemum aldersonii Charlotte M. Wilder May 1908 25 Riverside Wilders' Jurupa Hills Comment
  GMDRC2042  Crossosoma bigelovii J. Andre 2006-4-26 6756 Riverside Little San Bernardino Mountains: Joshua Tree National Park: Long Canyon, approx. 2.3 mi. S. of NE corner (boundary) of park Near 34.06072 deg. N 116.44711 deg. 43681' W. Elev. 3463 ft. 1056 Comment
  NY268562  Crossosoma bigelovii T. Labouchere 1915-4-15 3315 Riverside San Jacinto Mountain. Comment
  POM171375  Crossosoma bigelovii Marcus E. Jones 1929-03 s.n. Riverside Whitewater Creek. Comment
  RSA13753  Crossosoma bigelovii E. C. Jaeger 1921-04 s.n. Riverside Martinez Canyon [east slope, Santa Rosa Mtns. -SW] Comment
  RSA291612  Crossosoma bigelovii C. W. Tilforth 1979-2-11 1741 Riverside Whitewater Canyon, east of Morongo Indian Reservation 441 Comment
  RSA771029  Crossosoma bigelovii Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4536 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SBBG72294  Crossosoma bigelovii unknown 1895-1 Riverside Palm Springs Comment
  CHSC109025  Croton californicus Orlando Mistretta; D. Bell, J. Beckman, J. England, K. Kane, et al. 2010-4-12 4604 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) in the vicinity of Bonnie Bell; between N33.95609, W116.64365 and N33.95477, W116.64248. 525 Comment
  CLARK-A1528-2644  Croton californicus Charles S. Papp 1963-6-29 310 Riverside Santa Ana River Comment
  SEINET9255224 Image available Croton californicus J. C. Roos 1965-6-23 Riverside Palm Springs Comment
  UC868668  Croton californicus I. W. Clokey 1935-4-16 6726 Riverside e Mecca (along road) 200 Comment
  UC868669  Croton californicus Alice Eastwood 1913-4-30 3089 Riverside Palm Springs Comment
  UCSB7616  Croton californicus Ullman, Sydney 1956-4-14 Riverside Town of Whitewater Comment
  UCR114196  Croton setiger A. C. Sanders, D. Malueg, K. D. Jones, et al 2000-9-8 23639 Riverside Perris-Aguanga Basin Region, French Valley, near south end of Briggs Rd. on east side of Hwy 79, near industrial park, c. 0.5 km SE of Adobe Spring 384 Comment
  SEINET238507 Image available Crypsis schoenoides A. C. Sanders, Mitch Provance 1999-9-26 23082 Riverside San Jacinto Mountains: McMullen Flat at Valley High County Park 0.7 mi. SE of Hwy 74 on Twin Pines Ranch Road. 1030 Comment
  UCR116477  Crypsis schoenoides A. C. Sanders, T. B. Salvato 2001-5-25 24377 Riverside San Jacinto Valley, west end of Hemet-Ryan airport runway, 50-200 m east of Warren Rd. and 100-200 m north of Stetson Ave. 457 Comment
  UCR92255  Crypsis schoenoides Scott D. White, S. Ogg 1994-10-17 2466 Riverside Temecula Valley, Murrieta Creek at Winchester Road bridge (Banana Avenue) 317 Comment
  SEINET3292214 Image available Cryptantha Lewis S. Rose 1938-12-22 38338 Riverside 12 miles Southwest of Cathedral City, Palms to Pines Highway, San Jacinto Mountains 457 Comment
  CSUSB1580  Cryptantha angustifolia I. G. Rauch 1968-4-9 S. N. Riverside Palm Desert Palm Desert, Dead Indian Creek Wash Comment
  JOTR28788  Cryptantha angustifolia La Doux, Tasha 2005-3-30 1057 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  JOTR35387  Cryptantha angustifolia Harding, Mitzi, J. Hoines, E. Kramer 2012-2-2 175 Riverside Joshua Tree National Park. eastern Eagle Mountains; near Pinto Wells, sand ramps and large active wash between sand hills and basalt outcrops 286 Comment
  POM46809  Cryptantha angustifolia Mary F. Spencer 1920-3-24 1517 Riverside Near Indio. Colorado Desert. 91 Comment
  RSA562065  Cryptantha angustifolia Steve Boyd, C. Boyd, K. A. Boyd 1992-4-19 6918 Riverside N end of the Granite Mtns on sandy bajada along powerline road near jtn of Hwy 177 and Hwy 62. Area of transition between Mojave and Colorado Deserts. Comment
  RSA719046  Cryptantha angustifolia Michael Honer 2005-3-11 2054 Riverside Rice Valley; 4.5 mi. SSE of Rice; 1.5 mi. E of ATSF railway. 220 Comment
  SD121358  Cryptantha angustifolia G. K. Helmkamp 1983-4-5 483 33 Riverside Chuckawalla Mountains, large wash below Chuckawalla Spring, 9 miles southwest of Graham Pass Road 490 Comment
  UCR217804  Cryptantha angustifolia Jim Andre, T. La Doux 2010-2-28 12548 Riverside Lower Colorado River Valley, along Hwy 95 c. 20 miles south of Vidal Junction, at SE corner of Riverside Mountains 145 Comment
  CHSC8299  Cryptantha barbigera Edward L. Smith 1958-3-21 374 Riverside Located 6 mi. s. of Rice, near Priest's Well. Little Santa Maria Mtns. 365 Comment
  POM14241  Cryptantha barbigera P. A. Munz, D. D. Keck 1922-4-9 4757 Riverside Shavers Well, near Mecca. 76 Comment
  RSA703814  Cryptantha barbigera LeRoy Gross 2005-3-3 1593 Riverside Palen Mountains, south side. Near end of old prospect road., Near 33.71244N, 115.11171W. to 33.72053N, 115.11051W 207 Comment
  UC1063930  Cryptantha barbigera H. S. Yates 1937-3-23 6446 Riverside 15 mi nne Medda; Thermal Quad. 457 Comment
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Apr 6 2011
  SD124126  Cryptantha barbigera var. fergusoniae Robert F. Thorne, Fosberg,Sachet and Herbst 1983-4-23 55418 Riverside San Bernardino Mountains, mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge in sandy wash east of bridge 409 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
  UCR227003  Cryptantha barbigera var. fergusoniae Jim Andre 2011-2-2 16234 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
  HSC85290  Cryptantha clevelandii Steve Boyd 1986-5-1 1797 Riverside SW Perris Basin, Hill W of Skunk Hollow, Skunk Hollow vernal pool Comment
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Oct 2 2012
  UCR183172  Cryptantha corollata Mitch Provance 2003-5-5 4417 Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  POM46808  Cryptantha decipiens Mary F. Spencer 1920-4-4 1522 Riverside Mouth of Tahquitz Canyon. 213 Comment
  UCR112100  Cryptantha holoptera A. C. Sanders, T. B. Salvato 2000-4-27 23378 Riverside Coachella Valley, east side of Coachella Canal near the foot of the Mecca Hills, vicinity of the east end of Ave 60 15 Comment
  CSUSB1179  Cryptantha intermedia M. H. Frost 1954-6-6 S. N. Riverside San Jacinto Mountains San Jacinto Mountains 1371 Comment
  UC164378  Cryptantha intermedia H. M. Hall 1901-6-1 2180 Riverside Thomas Valley San Jacinto Mountains 1371 Comment
  UCR155133  Cryptantha intermedia A. C. Sanders, Kelly Volansky 2005-3-17 29203 Riverside Perris-Aguanga Basin Region, French Valley, SE of Winchester Rd. (Hwy 79) between Thompson Rd. and Benton Rd., c. 0.5 mi. NE of Adobe Spring, near San Diego Aqueduct 412 Comment
  UCR162270  Cryptantha intermedia S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, Juan Diego Flats on powerline trail west to Reed Valley, NW of Cahuilla Mountain 1244 Comment
  UCR17111  Cryptantha intermedia R. L. Lasby 1969-5-3 24 Riverside San Bernardino Mtns/Colorado Desert, canyon 3 miles NE of Cabezon 671 Comment
  UCR92795  Cryptantha intermedia Scott D. White 1994-3-29 1939 Riverside Beaumont Badlands, near county dump and old DeAnza Cycle Park, north of Hwy 60 701 Comment
  SEINET12280821  Cryptantha intermedia M. F. Spencer 1922-1 306 Riverside 732 Comment
  RSA770987  Cryptantha maritima J. Andre, T. La Doux 2009-2-25 10809 Riverside Chuckwalla Mountains: approx. 0.5 miles south of I-10 freeway at Eagle Mountain Road exit 414 Comment
  UCR233178A  Cryptantha maritima Jim Andre, Glenn L. Clifton 2011-2-22 17430 Riverside Mecca Hills, along Box Canyon Road, 8.5 mi northeast of town of Mecca 171 Comment
  UCR67355  Cryptantha maritima Steve Boyd, L. Arnseth, T. S. Ross, J. Bonilla 1990-4-3 4102 Riverside Peninsular Range, Vail Lake Area, E flank of Oak Mtn, just south of E summit. 701 Comment
  SDSU18682  Cryptantha maritima var. maritima Kristen Hasenstab, M. G. Simpson 2008-4-1 49 Riverside Joshua Tree National Park. 500ft south of Cottonwood Springs Campground, on path to Mastodon loop trail. 640 Comment
  RSA692256  Cryptantha micrantha Scott D. White, Michael Honer 2003-4-25 9124 Riverside San Bernardino Mtns.: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of raod, on alluvial fan adjcent steep east-facing mountain slope. 610 Comment
  UC1063822  Cryptantha micrantha H. S. Yates 1937-3-23 6394 Riverside 2 mi n Palm Springs; San Jacinto Quad. 213 Comment
  UC1178517  Cryptantha micrantha Peter Kamb 1948-7-4 1155 Riverside Hall Canyon San Jacinto Mts. 1645 Comment
  UCR261447  Cryptantha micrantha subsp. micrantha A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41430 Riverside San Gorgonio Pass, San Gorgonio River wash, c. 3.7 miles east of Cabazon, c. 1.25 mi. NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms 439 Comment
  POM46993  Cryptantha micrantha var. lepida Mary F. Spencer 1919-6-29 1301 Riverside Idyllwild. 1616 Comment
  UCR239198  Cryptantha micromeres Steven R. Hill, A. C. Sanders 2001-5-4 33726 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
  RSA525672  Cryptantha microstachys Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4543 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
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Aug 22 2008
  RSA594773A  Cryptantha microstachys D. L. Banks, Dylan Hannon 1996-5-3 0967 A Riverside Agua Tibia Mountains; Foothills S of Hwy. 79, E of the Dripping Spring Campground, approximately 150 m SE of the Helipad at the upper camp sites., 33 deg 27' 46''N, 116 deg 57' 56'' W 524 Comment
  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
  UCR220123  Cryptantha microstachys D. E. Bramlet 1991-5-1 2106 Riverside Peninsular Range, tributary of Rawson Canyon, 5500 ft. south of Crown Valley & 2600 ft. east of Rawson Canyon 642 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
  UCR158326  Cryptantha muricata A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30051 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
  SBBG53352  Cryptantha muricata var. jonesii J. Zabriskie 1975-3-26 Riverside Santa Rosa Mtns Comment
  RSA0019471  Cryptantha pterocarya var. stenoloba J. Andre, G. Clifton, Ron Kelley 2013-3-21 24395 Riverside West Riverside Mountains; at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 miles SW of Vidal Jct., 3 miles south of Grommet RR xing at Highway 62. 363 Comment
  UCR155297  Cucurbita foetidissima T. B. Salvato, Kent Beaman 2005-5-16 792 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
  CAS-BOT-BC224553  Cuscuta californica Steve Boyd 1986-5-1 1811 Riverside Bachelor Mtn.: Lower south slopes of Bachelor Mtn., east end of Lake Skinner Comment
  RSA409709  Cuscuta californica I. M. Johnston 1917-6-5 1255 Riverside Hills south of Arlington 366 Comment
  UC23232  Cuscuta californica H. M. Hall Jun 1901 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1584 Comment
  UCR93043  Cycloloma atriplicifolium Scott D. White 1992-9-11 797 Riverside Vicinity of Gilman Hot Springs, north side of San Jacinto River & a thin strip trending north of the river & west of the Hot Springs 459 Comment
  SEINET9037745 Image available Cylindropuntia bigelovii Marc A. Baker 2015-1 18303 Riverside 1.7 km NE of White Water Hill, just west of Hwy 62, 2km north of its junction with Interstate 10, 13 km NW of central Palm Springs 353 Comment
  SD248374  Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2013-4-15 17727 Riverside Desert Cemter 7.5'Q USGS quad. Chuckwalla Moutains, just south of Corn Springs Wash, 250 m east of its confluence with Irish Wash, 500m NW of Azted Well, 74KM west of Blythe. 641 Comment
  SEINET5624472 Image available Cylindropuntia chuckwallensis Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17507 Riverside Pilot Mountain quadrangle, zone 11 0655330mE 3721650mN NAD83, Corn Springs, north side of Chuckwalla Mountains, 12km SSE of Desert Center, 85km east of Indio 500 Comment
  POM228884  Cymopterus panamintensis var. acutifolius A. M. Alexander, Louise Kellogg 1941-5-26 2239 Riverside Colorado Desert: altitude 3200 feet, Monsen [Munsen] Canyon, Eagle Mountains. 976 Comment
  UCR241812  Cynara cardunculus A. C. Sanders, John F. Green 2013-3-27 40690 Riverside Peninsular Range, Alberhill, along west side of Lake St. near the old clay mines, 0.85 km south of I-15 Fwy 389 Comment
  CAS-BOT-BC190214  Cynodon dactylon Lewis S. Rose 1957-1-3 57003 Riverside La Quinta. 15 Comment
  UCR113865  Cyperus difformis Mitch Provance 2000-6-24 2059 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  RSA0088440  Cyperus eragrostis Mitch Provance 2011-7-4 17182 Riverside San Bernardino Valley: Northwestern base of the Jurupa Mountains, adjacent to S side of Fontana (technically in an unincorporated part of Riverside Co.), retention basin on S side of Philadelphia St., just E of Country Village Rd. 262 Comment
  RSA522716  Cyperus eragrostis Steve Boyd, Timothy S. Ross 1989-8-28 3807 Riverside Vail Lake area, Temecula Creek at confluence with lake and adjacent sedimentary hills to the east. 442 Comment
  UCR168544  Cyperus eragrostis L. C. Wheeler 1932-9-4 1333 Riverside Prado Basin, Santa Ana River at Chino Creek 183 Comment
  SD224785  Cyperus erythrorhizos A. C. Sanders, O. F. Clarke & C. N. P. S. field trip 1991-10-5 11742 Riverside Rubidoux, Santa Ana River Regional Park, ca. 0.3 mi SE of Louis Rubidoux Nature Center. Comment
  UCR441  Cyperus niger var. capitatus O. F. Clarke 1974-11-14 s.n. Riverside Riverside, Santa Ana Riverbottom Park Comment
  POM12678  Cyperus squarrosus Phillip A. Munz 1922-9-6 6382 Riverside Hidden Lake, San Jacinto Mountains. 2637 Comment
  RSA5901  Cystopteris fragilis C. B. Wolf 1932-8-5 3974 Riverside Rocks at summit of San Jacinto Peak 3294 Comment
  RSA0113520  Dalea mollis Henry J. Ramsey, Henry J. Ramsey 1940-4-14 1992 Riverside North of Blythe, Colorado Desert. Comment
  SEINET10452143  Dalea mollis Ernest J. Palmer 1946-2-22 Palmer 1957 Riverside Collected in mud flats dry and caked and split. All american cana catch basin From desert washes. Oracopia mts n east of the saltan sea. Very arid country. Comment
  SEINET10452148  Dalea mollissima David B. Dunn 1946-3-16 Dunn 2024 Riverside Collected on dry plateau 1/2 mi ne of pushawalla palms. Indio hills. Sparse Desrt scrub of larrea and franseria, with palms at the springs in the canyon. Comment
  SBBG56887  Dasyochloa pulchella M. N. Ackley 1928-4-3 23 Riverside Clary's Ranch 182 Comment
  SEINET183428 Image available Dasyochloa pulchella Harry S. Yates 1937-3-24 6454 Riverside Deep Canyon Coachilla Valley 457 Comment
  IRVC28825  Datura discolor Mark A. Elvin 2005-4-26 4234 Riverside Coachella Valley/Indio Hills; N of I-10. Northern Sonoran Desert 198 Comment
  CSUSB772  Datura meteloides Nancy Atha 1963-3-21 3-21-63 7 Riverside Southwest side of hill at the corner of Madison St. and Victoria Ave. in (city of) Riverside. 274 Comment
  RSA0063033  Datura meteloides Andrew Haimov, April Sleigh 1992-5-19 91 Riverside West side of Davis Road, 1 mile south of Allessandro Road. Comment
  UCR41237  Datura wrightii N. M. Fellows 1984-3-20 8 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Oasis de Los Osos Preserve, off Snow Creek Canyon at the north foot of the San Jacinto Mtns, 1 mi west of Snow Creek Village 488 Comment
  RSA500208  Daucus pusillus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3535 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  RSA666895  Daucus pusillus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24197 Riverside S. of Hemet, E end of Diamond Valley, ca 1/4 mi. N of Newport Rd. and 3/4 mi. E of State St. 506 Comment
  RSA736293  Daucus pusillus Scott D. White, Justin Wood 2008-5-27 12032 Riverside I-215 freeway, between Clinton Keith and Alamos. 396 Comment
  VVC5  Daucus pusillus A. C. Sanders, J. Mac 1997-5-4 20684 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek drainage, dry slopes above Brown Creek. 915 Comment
  RSA753544  Deinandra kelloggii Michael Wall 2009-5-29 513 Riverside Bautista Canyon east of Hemet, ca. 8 miles SE of jct. with Fairview Ave., on north side of Bautista Rd. 773 Comment
  SD186075  Deinandra kelloggii A. C. Sanders, Mike Misenhelter 2005-6-15 31004 Riverside 2.0 miles northnortheast of Vail Lake, 4.0 miles southsouthwest of Sage, Denise Rd. at Bonita Rd. near Calle de Nino, 1.2 miles northeast of summit of (Big) Oak Mtn., southwest of Rocky Ridge and southeast of Black Hills. 640 Comment
  RSA706234  Deinandra mohavensis Michael Wall, Cassy, Dick Whiting 2005-8-6 402 Riverside SE Hemet, Santa Rosa Hills, Simpson Park. Comment
  RSA0098342  Deinandra paniculata Marc A. Baker, Danny Cuellar, Chris Taylor, Paul Roberge, Cecile Shohet, Youssef Atallah 2015-7-3 18378 Riverside 1.8 km south of San Timoteo Wash, 15 km SE of central San Bernardino, 35m south of the San Bernardino County line. 491 Comment
  UC1746493  Deinandra paniculata A. C. Sanders with D. Malueg, K. D. Jones 2000-9-8 23635 Riverside gasline right of way across Pinto and Hoopes Ranches; Perris-Aguanga Basin Region; gasline right of way across Pinto and Hoopes Ranches, east of Briggs Road at and near Warm Springs Creek, S of Scott Rd. 415 Comment
  UC1922347  Deinandra paniculata R. E. Riefner Jr. 2007-6-16 07 -263 Riverside City of Hemet, Bautista Canyon, 2.8 mi E of Fairview Ave. on Bautista Rd. Comment
  RSA550040  Delphinium parishii Walter Wisura, A. King, L. Newcomb 1992-4-10 4667 Riverside Colorado Desert, Morongo Valley, Mission Creek Ranch W of Highway 62 below Morongo Valley. Comment
  UCSB1975  Delphinium parishii subsp. parishii Broder, Richard 1958-03 Riverside 1.5 miles up White Water Canyon from US 60-70 Comment
  RSA561019  Delphinium parryi Steve Boyd 1992-5-4 7191 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  SD187467  Delphinium parryi Scott D. White, Angelia Carey 2004-5-7 10324 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills 548 Comment
  SEINET3075589 Image available Delphinium parryi Don Mitchell 1990-4-30 Riverside W side of Sage Road, ca. 0.5 mi S of intersection with Wilson Valley Road. 701 Comment
  RSA0020472  Delphinium parryi subsp. parryi P. A. Munz, Street, Williams 1919-3-28 2369 Riverside San Gorgonio Pass, near Banning 701 Comment
  UCR16757  Delphinium patens subsp. hepaticoideum G. R. Ballmer 1965-3-21 s.n. Riverside Peninsular Range, Base of Santa Ana Mountains, 5 mi. south of Glen Ivy Hot Springs 396 Comment
  UC64113  Delphinium patens subsp. montanum H. M. Hall 1899-5-1 Riverside vicinity of Strawberry Valley San Jacinto Mountains 1584 Comment
  CAS-BOT-BC82952  Dendromecon rigida E. K. Balls 1954-7-29 19561 Riverside Along Indian Truck Trail in Santa Ana Mountains. 944 Comment
  RSA586332  Dendromecon rigida subsp. rigida D. L. Banks, S. D. Boyd 1995-5-3 197 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UC856007  Descurainia pinnata K. Watkins and E. McClintock 1937-4-9 Riverside 1 mi w San Jacinto Comment
  POM13711  Descurainia pinnata subsp. menziesii P. A. Munz 1922-4-30 5121 Riverside Lancaster Valley, south of Hemet. Comment
  RSA367458  Dichelostemma capitatum subsp. capitatum Ora M. Clark 1929-2-23 1511 Riverside South Cabazon. Comment
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Mar 13 2011
  RSA522731  Dichelostemma capitatum subsp. capitatum Steve Boyd, Timothy S. Ross, L. Arnseth, S. Boyd 1990-3-29 3836 Riverside Vail Lake area, cinder cone ridge at N side of mouth of Temecula Creek Canyon and adjacent benches on S Flank of Big Oak Mountain. 396 Comment
  RSA70375  Dichelostemma capitatum subsp. pauciflorum F. W. Peirson 1919-4-12 s.n. Riverside Tahquitz canyon near Palm Springs. Comment
  UC1930086  Dichelostemma pulchellum Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10489 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
  RSA500991  Dichelostemma pulchellum var. pulchellum Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3110 Riverside Vail Lake area, dried bed of man-made pond and adjacent slopes at N base of rounded knob 1.25 miles WSW of dam. 610 Comment
  CAS-BOT-BC150931  Diplacus bigelovii var. bigelovii Peter H. Raven 1958-1-24 11451 Riverside Fargo Canyon Comment
  RSA0019405  Diplacus fremontii Carl B. Wolf 1932-8-6 3996 Riverside 2.9 mi From Idyllwild on the road to Hemet. 1220 Comment
  RSA0019410  Diplacus fremontii P. A. Munz, I. M. Johnston 1924-7-29 8845 Riverside 6 mi SE of Poppet Flat, San Jacinto Mtns. 1524 Comment
  RSA0018423  Diplacus longiflorus var. calycinus Percy C. Everett, E. K. Balls, L. W. Lenz 1952-7-1 17267 Riverside 3 mi. s. from Banning along Hwy to Idyllwild. 915 Comment
  CAS-BOT-BC153966  Diplacus rattanii John Thomas Howell 1931-5-30 6613 Riverside Santiago Peak, Santa Ana Mts. Comment
  SDSU12987  Distichlis spicata Michael G. Simpson with Claudia A. Luke 1999-10-27 2021 Riverside Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  UCR250871  Distichlis spicata S. J. Myers 2014-4-29 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, c. 1.2 mi. SE of Mecca at intersection of 68th St. and Johnson Ave. -60 Comment
  UC2062529  Distichlis spicata subsp. spicata Hester L. Bell 2002-3-9 258 Riverside Northern Sonoran Desert. San Andreas Oasis near Dos Palmas Reserve, east of Highway 111 (and Salton Sea), exit at Parkside Road). Comment
  UC2062534  Distichlis spicata subsp. spicata Hester L. Bell 2002-3-9 257 Riverside Northern Sonoran Desert. Willis Oasis (Thousand Palms) 5.5 mi east of I-10. Comment
  RSA171926  Ditaxis lanceolata R. F. Thorne 1963-3-29 32442 Riverside Eagle Mountains, Pumping Station, S side of Eagle Mountains; ca. 12 miles W of Desert Center 533 Comment
  RSA785425  Ditaxis lanceolata Doris Bowers 1974-5-5 2278 Riverside Anza Barrego State Park, N/o Coyote Creek 335 Comment
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Sep 11 2013
  RSA517923  Ditaxis neomexicana Steve Boyd 1986-3-5 1349 Riverside Hwy 195, N base of the Orocopia Mts., halfway between I-10 & Box Canyon. Comment
  HSC101274  Dithyrea californica Jim Andre 2012-3-19 21349 Riverside Chuckwalla Valley; along Hwy 177, 8.6 mi. NE of Jct with I-10. 152 Comment
  UC1126909  Dithyrea californica H. S. Yates 1937-3-23 6406 Riverside 2 mi n Palm Springs; San Jacinto Quad. 213 Comment
  UCD77605  Dithyrea californica Robert E. Preston 1997-11-11 1065 Riverside East edge of Palo Verde Mesa 99 Comment
  RSA395359  Dodecahema leptoceras Steve Boyd 1986-4-22 1738 Riverside Temescal Canyon: Stable alluvial benches of Indian wash just south of I-15. Comment
  CLARK-A1045-157  Downingia cuspidata George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains vernal pool near origin of creek; Wildomar 7.5'Q Comment
  UCR279363  Draba cuneifolia A. C. Sanders, Jim Malusa 2017-3-24 42963 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, large wash south of Bradshaw Trail, c. 11 km SE of Gasline Rd. 729 Comment
  CAS-BOT-BC41673  Draba cuneifolia var. integrifolia Peter H. Raven 1958-1-24 11448 Riverside Fargo Canyon. Comment
  RSA1661  Drymocallis glandulosa Carl B. Wolf 1931-5-11 1961 Riverside Near Pipe Creek, above Hemet Valley. 1677 Comment
  RSA33532  Drymocallis glandulosa N. C. Cooper 1944-6-17 1377 Riverside Above Banning. 1067 Comment
  RSA381080  Dryopteris arguta R. F. Thorne, Steve Boyd, Earl Lathrop 1985-7-18 61181 Riverside Santa Rosa Plateau, Nature Conservancy Reserve: along Cole Canyon. 535 Comment
  SEINET9193809 Image available Dudleya Marc A. Baker, Michelle Cloud-Hughes 2011-12-17 17945 Riverside 300m south of Desert Queen Mine (McHaney's Mine), 12.5 km SSW of Twenty Nine Palms, 1.5km ESE of Negro Hill 1360 Comment
  SD181580  Dudleya edulis Scott D. White, Teresa Salvato 2001-6-8 8564 Riverside Santa Ana Mountains, southern margin of county, just northeast of Rainbow Valley; Temecula [quad]. Occasional (patchy) on rocky slopes and broad, A+-flat granite boulders and outcrops. 334 Comment
  UC115215  Dudleya lanceolata Charlotte M. Wilder 1905-6-1 584 Riverside near Riverside (Jurupa Hills) Comment
  UCR241631  Dudleya lanceolata T. B. Salvato, Jeffrey Ross 1998-6-9 MOR- 378 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, below mouth of Lion Canyon along the road toward the canyon from Deep Creek Rd. 569 Comment
  UCR252199  Dudleya lanceolata Marissa Manahan 2011-4-24 s.n. Riverside Mount Rubidoux Park, Riverside, near summit 381 Comment
  UCR252215  Dudleya lanceolata J. Mendoza 2011-5-28 s.n. Riverside Moreno Valley, Boulder Ridge Dr. east of intersection with Lasselle, north of Ironwood Ave. and east of Perris Blvd. on north side of valley 645 Comment
  SD137796  Dudleya pulverulenta subsp. pulverulenta Darin L. Banks, Steve Boyd 1995-10-17 818 Riverside Northwest Palomar Muntains; Agua Tibia Mountains; Agua Tibia Wilderness Area, along lower Arroyo Seco, south of the Dripping Springs Campgroun 525 Comment
  CLARK-A1656-641  Dudleya saxosa Kay Trenholme 1978-5-5 Riverside Snow Creek 381 Comment
  UCR25804  Dudleya saxosa John C. Roos 1937-4-18 1284 Riverside San Gorgonio Pass, Near Cabazon Comment
  CLARK-A1528-1803  Dyssodia porophylloides John C. Roos 1947-2-15 3239 Riverside Eagle Mountains Comment
  CHSC8315  Echinocereus engelmannii Edward L. Smith 1957-4-3 230 Riverside 1 mi. n on hwy. 99 to 29 Palms, San Bernardino Mts. 91 Comment
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Jun 21 2014
  CSUSB1172  Echinochloa crus-galli Debbie Vigneault 1974-7-17 Riverside Santa Ana River Santa Ana River bottom, near Van Buren Bridge. 259 Comment
  SEINET10564138  Echinochloa crus-galli Boyd 1989-7-18 BOYD 3763 Riverside Vail Lake area, confluence of Kolb Creek with lake. T8S R1W SE1/4 NE1/4 Sec. 16. Rank growth of weedy grasses colonizing recently exposed lakebed. 427 Comment
  RSA0086967  Echinochloa crus-galli var. zelayensis H. de Forest, Jack Rumpel 1933-10-29 s.n. Riverside Snow Creek Canyon, San Bernardino Mts. 548 Comment
  UCR85572  Echinodorus berteroi Julie A. Greene 1993-6-11 1364 Riverside San Jacinto Valley, San Jacinto Wildlife Area [NW of Lakeview] 441 Comment
  UC1756  Eleocharis acicularis H. M. Hall Jul 1901 2366 Riverside Tauquitz [Tahquitz] Valley 2438 Comment
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Jul 5 2010
  SD90489  Eleocharis bella Robert F. Thorne, E. Lathrop et al. 1969-5-19 37954 Riverside Santa Rosa Plateau: north end of large vernal marsh, Mesa de Colorado, Rancho California 625 Comment
  UCR241485  Eleocharis parishii Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 237 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  UCR207612  Eleusine indica O. F. Clarke 2003-9-29 s.n. Riverside Peninsular Range; Box Springs Mtns. Foothills, Riverside, UCR Campus 335 Comment
  UCR195143  Elymus A. C. Sanders, Tim Thomas 2008-8-1 35939 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1448 Comment
  UCR19371  Elymus condensatus John C. Roos 1965-6-19 s.n. Riverside Peninsular Range; Santa Ana Mtns, Sky Line Drive, south of Corona Comment
  UC38182  Elymus elymoides subsp. elymoides H. M. Hall July 1901 2501 Riverside Round Valley San Jacinto Mountains 2743 Comment
  OBI32773  Elymus glaucus E. W. Lathrop 1965-4-26 5689 Riverside 4 mi SE of Murrieta Comment
  UCR120307  Emmenanthe penduliflora Mitch Provance 1997-5-18 1093 Riverside Jurupa Mountains, Pyrite Canyon, c. 0.4 km south of the end of Savonia Dr. in Southridge, Fontana, just on the Riverside Co. side of the county line 351 Comment
  POM12006  Encelia actoni Mary F. Spencer 1921-7-16 1188 Riverside In canyon near San Jacinto. Comment
  RSA673474  Encelia actoni Scott D. White, Tasha La Doux 2000-4-20 7711 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills. 610 Comment
  RSA0048485  Encelia actoni Bruce Haines 1962-5-6 187 Riverside 10.6 miles southwest of California Highway 74 from junction art Palm Desert with California Highway 111. 975 Comment
  CAS-BOT-BC131345  Encelia farinosa E. A. McGregor 1917-3-18 700 Riverside 5 miles up Painted [Canon] Canyon Comment
  HSC47356  Encelia farinosa Richard Spjut, C. E. Edson 1978-4-24 4954 Riverside Along Hwy. 74 W of Palm Desert in the San Jacinto Mtns. 457 Comment
  RSA599945  Encelia farinosa L. C. Wheeler 1959-12-27 7636 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
  RSA678416  Encelia farinosa Michael Wall 2003-4-15 334 Riverside Lamb Canyon west of Beaumont, off Hwy. 79, 5.2 mi. south jct. with 10 Fwy up dirt road at turnout along west side of Hwy. 602 Comment
  SBBG97296  Encelia farinosa Leota Davidson 1966-4-5 189 a Riverside ca. 2 mi beyond second intersection, Wiley Well Rd, off US Hwy 95, ca. 18 mi W of Blythe 243 Comment
  SD229084  Encelia farinosa Dick Schwenkmeyer 2012-11-6 872 Riverside West fork of Palm Canyon, Agua Caliente Indian Reservation, 4.7 mi. south of the intersection of South Palm Canyon Drive and East Palm Canyon Drive, Palm Springs. 227 Comment
  UCR185108  Encelia farinosa LeRoy Gross, L. Lubinsky, V. W. Steinmann, L. L. Worlow 2005-2-17 1435 Riverside Chocolatte-Chuckwalla Mountains, Colorado Desert; Corn Springs Campground in the Chuckwalla Mountains. Canyon SW of Campground 549 Comment
  UCR254624  Encelia farinosa Jim Andre 2013-3-21 24400 Riverside NE Colorado Desert, West Riverside Mountains; at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 mi. SW of Vidal Jct, 3 mi. south of Grommet RR xing at Hwy 62 363 Comment
  UCR256721  Encelia farinosa Duncan S. Bell 2011-12-30 3045 Riverside Sonoran (Colorado) Desert, Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; c. 2 air miles southwest of Priests Well, or c. 7 air miles southwest of the ghost town of Rice 365 Comment
  POM356672  Encelia farinosa var. farinosa Norman C. Cooper 1949-6-1 3954 Riverside Elsinore. 610 Comment
  CAS-BOT-BC81538  Ephedra californica Catherine A. Toschi 1963-4-11 63 :124 Riverside Porcupine Wash, Joshua Tree National Monument 762 Comment
  RSA0098481  Ephedra californica Marc A. Baker, Michelle Cloud-Hughes 2015-3-26 18292 Riverside Chuckwalla Bench, 64 km WSW of Blythe, 3.9 km south of Augustine Pass. 660 Comment
  RSA650256  Ephedra californica David B. Dunn 1948-1-25 3641 Riverside southeast of Banning Pass 1 mile S.E. of Cabazon. Comment
  RSA0056204  Ephedra californica W. Marquart 1938-3-12 s.n. Riverside Mule Mountains south of Chuckawall Range. Comment
  RSA661036  Epilobium brachycarpum A. C. Sanders, Mitch Provance 1999-9-26 23085 Riverside McMullen Flat at Valley High County Park, 0.7 mi. SE of Hwy 74 on Twin Pines Ranch Road. 1183 Comment
  UCR266261  Epilobium brachycarpum D. E. Bramlet 2006-8-11 4044 Riverside Perris-Aguanga Basin Region, San Jacinto Valley, west of Hemet at Hemet-Ryan Airport 459 Comment
  UCR17539  Epilobium campestre John C. Roos 1952-5-28 5731 Riverside Perris-Aguanga Basin region, San Jacinto River bottomland 1 mile southeast of Perris 427 Comment
  RSA588601  Epilobium canum subsp. canum D. L. Banks, Steve D. Boyd 1995-10-17 812 Riverside NW Palomar Mountains. Agua Tibia Mountains. Cleveland National Forest. Agua Tibia Wilderness Area. Along lower Arroyo Seco. S of the Dripping Springs Campground., Along the narrow benches where Arroyo Seco turns E, just W of the Metasedimentary hills. 524 Comment
  CAS-BOT-BC171748  Epilobium canum subsp. latifolium Lester Rowntree 1937-11-3 s.n. Riverside Desert Center Indio Highway Comment
  LA206124  Epilobium canum subsp. latifolium Carl Epling; 1927-3-27 sn Riverside Palm Springs Comment
  RSA545236  Epilobium canum subsp. latifolium Robert F. Thorne 1970-10 41886 Riverside San Bernardino Mountains- Whitewater canyon: ca. 1350 ft. near bridge and Whitewater Post Office to ca. 2000 ft. up the canyon toward fish hatchery. 610 Comment
  UCR208952  Epilobium canum subsp. latifolium N. C. Cooper 1943-9-11 922 Riverside San Jacinto Mtns., below Idyllwild 1372 Comment
  UCR111759  Epilobium ciliatum S. J. Myers, C. McGaugh 1996-5-17 s.n. Riverside Santa Ana River Valley, Corona, River Road bridge over the Santa Ana River 165 Comment
  POM48731  Epilobium ciliatum subsp. ciliatum P. A. Munz, I. M. Johnston 1924-7-29 8830 Riverside 6 miles SE of Poppet Flat, San Jacinto Mountains. 1524 Comment
  RSA621897  Epilobium ciliatum subsp. ciliatum Steve Boyd, T. S. Ross, L. Arnseth 1989-6-4 3639 Riverside Vail Lake area, Temecula Creek, SE of the lake, just N of Hwy 79. 488 Comment
  POM161203  Epilobium ciliatum subsp. glandulosum Ralph Hoffmann 1929-9-6 s.n. Riverside Granite ridges, San Jacinto Mountains. 2439 Comment
  CAS-BOT-BC165938  Epilobium densiflorum Scott D. White 1996-8-1 4423 (1 of 2 replicates) Riverside Idyllwild Area: Hwy 243 at Deer Springs trailhead and adjacent area 1830 Comment
  UCR116794  Eragrostis barrelieri A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24152 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
  UCR158283  Eragrostis cilianensis Scott D. White, Michael A. Patten 1992-6-10 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Interstate Hwy 10/Cook Street interchange near Palm Desert 55 Comment
  RSA605215  Eragrostis lehmanniana A. C. Sanders, G. Helmkamp, P. J. MacKay 1995-3-12 16023 Riverside Indio, just SW of the Whitewater River Channel at Auto Center Dr. (Hwy 111)., 33 deg 43.3'N, 116 deg 12.3'W -8 Comment
  UCD39930  Eragrostis mexicana Beecher Crampton ? s.n. Riverside UC Davis Riverside, Agronomy Experimental Area, Plant Introduction Plot. Comment
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Jun 16 2012
  RSA577755  Eragrostis mexicana subsp. mexicana F. M. Reed 1907-11-24 2000 Riverside Santa Ana River botton near Chinese Gardens Comment
  UCD64538  Eragrostis pectinacea Fred M. Reed 1904-8-10 85 Riverside Riverside and vicinity. Comment
  RSA77201  Eremalche exilis F. W. Peirson 1917-4-1 2053 Riverside Andreas Canyon near Palm Springs. Comment
  UCR244444  Eremalche exilis Jim Andre 2012-4-16 20935 Riverside Southern Mojave Desert, Joshua Tree National Park; along Geotour Road, at north end of one-way loop in Pleasant Valley at foot (south end) of Hexie Mtns, 6.7 mi. south of (paved) National Park Loop Rd. 990 Comment
  UCR50915  Eremalche exilis D. E. Bramlet 1988-4-27 s.n. Riverside San Jacinto Valley, Hemet area, 0.25 mi. east of the intersection of Gibbel and State Streets. Comment
  RSA432695  Eremalche rotundifolia Anstruther Davidson 1903-5-3 900 Riverside Thermal. Comment
  RSA421558  Eremocarpus setiger M. M. Thompson 1947-6-9 C- 2065 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  CAS-BOT-BC160067  Eremothera boothii subsp. condensata Marcus E. Jones 1927-4-1 s.n. Riverside Keys Ranch, near Morongo Valley Comment
  UC472828  Eremothera boothii subsp. condensata Mary Fiske Spencer 1920-4-13 Riverside pr. Palm Springs; Colorado Desert, Tahquitz Canyon 152 Comment
  UCD118286  Eriastrum densifolium Mitch Provance; Kerry Knudsen, Petra Wester 2004-5-8 9001 Riverside Santa Rosa Mountains: Along Hwy 74 on the Santa Rosa Mountain Grade, ca. 0.8-0.5 mile NE of Black Hills. 854 Comment
  SD46075  Eriastrum densifolium subsp. austromontanum Peter Kamb 1950-7-9 1910 Riverside Banning-Idyllwild Road just below Vista Grande Ranger Station. 1463 Comment
  CAS-BOT-BC514320  Eriastrum densifolium subsp. austromontanum Peter H. Raven; R. Snow 1957-7-26 11103 Riverside Just below Vista Grande Ranger Station, Banning--Idyllwild Rd, San Jacinto Mts. Comment
  LA106803  Eriastrum densifolium subsp. densifolium Elizabeth McClintock; 1938-7-17 sn Riverside San Jacinto Mountains, near Pine Cove Comment
  CLARK-A1528-3804  Eriastrum densifolium subsp. mohavense John C. Roos 1943-5-23 2661 Riverside Little San Bernardino Mountains Comment
  UCR232520  Eriastrum diffusum Dave Silverman, Onkar Singh 2010-3-27 7868 Riverside Sonoran (Colorado) Desert, McCoy Wash, N of Palo Verde Mesa, 4.8 km WSW of Mesaville siding, W of A Canal/Levee Blvd, & c. 6 km N of Blythe Airport 131 Comment
  RSA0120080  Eriastrum eremicum subsp. eremicum R. F. Thorne, C. W. Tilforth 1980-5-28 54248 Riverside Along Whitewater River, ca. 3.2 miles N of Whitewater Post Office and Hwy 10. Comment
  CAS-BOT-BC514468  Eriastrum eremicum subsp. eremicum John Thomas Howell 1931-6-4 6647 Riverside San Gorgonio Pass Comment
  UCR18321  Eriastrum filifolium Frank C. Vasek 1979-6-25 790625- 01 Riverside about 2 mi east of Sage on Chaffey Ranch Comment
  SD187456  Eriastrum sapphirinum subsp. dasyanthum Scott D. White, Angelia Carey 2004-5-7 10321 Riverside San Jacinto Mountain foothills; Indian Creek and adjacent foothills. 548 Comment
  RSA0121571  Eriastrum sapphirinum subsp. dasyanthum N. C. Cooper 1944-5-20 1297 Riverside Banning. 701 Comment
  CAS-BOT-BC515041  Eriastrum sapphirinum subsp. sapphirinum H. M. Hall 1901-8-1 2635 Riverside San Jacinto Mts., south side 1584 Comment
  RSA0122966  Eriastrum sapphirinum subsp. sapphirinum C. W. Tilforth, John Dourley 1980-7-15 2078 Riverside South of Thomas Mountain Campground along Thomas Mountain Road, south of Lake Hemet & west of Highway 74. Comment
  POM48888  Ericameria cuneata P. A. Munz, I. M. Johnston 1924-7-27 8743 Riverside Dark Canyon, San Jacinto Mountains 2134 Comment
  CAS-BOT-BC287511  Ericameria linearifolia H. M. Hall 1899-5-1 1140 Riverside At Kenworthy Comment
  SD73613  Ericameria linearifolia Helen V. Witham 1970-5-1 865 Riverside 5 miles south of Highway 74; Bautista Canyon, southeast of Hemet. 1000 Comment
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Apr 29 2011
  CAS-BOT-BC287642  Ericameria linearifolia Annie M. Alexander; Louise Kellogg 1941-5-7 2132 Riverside 12 miles SW of 29 Palms, Joshua Tree National Monument 1310 Comment
  CAS-BOT-BC298122  Ericameria nauseosa var. oreophila Philip A. Munz 1946-10-19 11572 Riverside Canyon at junction of Highway 74 and road to Old Santa Rosa Indian Village 1219 Comment
  CAS-BOT-BC299526  Ericameria palmeri var. pachylepis A. C. Sanders 2004-5-11 27853 Riverside Alberhill Mountain, lower south-facing slopes southeast of the clay mining area, Elsinore Basin Region 449 Comment
  POM266285  Ericameria palmeri var. pachylepis J. C. Roos 1937-11-2 2447 Riverside Hills N of Pigeon Pass, Northwestern Riverside County. Comment
  UC1929322  Ericameria palmeri var. pachylepis Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10666 Riverside San Jacinto Mountain foothills; Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. Comment
  UC55172  Ericameria palmeri var. pachylepis E. A. Zumbro 1902-10-1 361 Riverside Comment
  UCR141252  Ericameria palmeri var. pachylepis A. C. Sanders, Kelly Volansky 2004-10-6 28818 Riverside Santa Ana Mtns./Santa Rosa Plateau, 41050 Avenida La Cresta, south of Sierra Maria Rd. and c. 1.5 mi. north of Tenaja Rd., c. 2 miles NW of the Mesa de Colorado 671 Comment
  UCR250910  Ericameria palmeri var. pachylepis A. C. Sanders 2014-4-18 41027 Riverside Peninsular Range, Temescal Canyon, hills along De Palma Rd. between Indian Truck Trail and Horsethief Canyon roads, c. 100 m south of I-15 401 Comment
  CAS-BOT-BC293093  Ericameria pinifolia Philip A. Munz 1946-10-19 11564 Riverside Coahuila [Cahuilla] 1097 Comment
  RSA701120  Erigeron foliosus Michael Wall 1996-7-1 168 Riverside Cherry Valley, Beaumont/Oak Glen Rd., 2.6 mi. N of Cherry Valley Blvd., W side of road in open flat field. 610 Comment
  UCR140725  Erigeron foliosus A. C. Sanders 2004-5-12 27880 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  UCR270317  Erigeron foliosus T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8343 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 384 Comment
  CAS-BOT-BC296235  Erigeron foliosus var. foliosus P. C. Everett 1935-6-17 7158 Riverside Coldwater Canyon trail to Santiago Pk. 2 mi. above Glen Ivy Resort, Santa Ana Mts. 609 Comment
  UC87543  Erigeron foliosus var. foliosus A. W. Anthony 1895-7-15 Riverside San Jacinto Mountains 1828 Comment
  UCR34549  Erigeron philadelphicus Karen Kirtland 1983-5-6 s.n. Riverside Singleton Ranch on the north side of San Timoteo Canyon, near Calimesa 762 Comment
  CDA32130  Eriochloa acuminata var. acuminata T. C. Fuller 1970-10-7 19800 Riverside S. E. of Blythe, Palo Verde Valley. 0 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
  RSA161231  Eriodictyon crassifolium Peter H. Raven 1959-4-23 14017 Riverside 1.2 miles west of Dripping Springs. Comment
  UCR163814  Eriodictyon crassifolium John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, 1 mile N of Squaw Mountain, 1.6 mi. NE of Tenaja Guard Station 716 Comment
  UCSB5480  Eriodictyon trichocalyx var. trichocalyx Ullman, Sydney 1956-4-14 Riverside Whitewater Canyon 16 miles south of Banning Comment
  CAS-BOT-BC248641  Eriogonum apiculatum Carl B. Wolf 1932-8-5 3938 Riverside San Jacinto Mts. Along trail from Tahquitz Valley to San Jacinto Peak 2621 Comment
  UC729845  Eriogonum apiculatum Carl B. Wolf 1932-8-5 3938 Riverside along trail from Tahquitz Valley to San Jacinto Peak; San Jacinto Mts. 2621 Comment
  HSC93372  Eriogonum davidsonii G. R. Ballmer, Kathleen Stockwell 1995-6-24 Riverside San Jacinto Mtns., along trail from Mason Ranch Rd. to Pacific Crest Trail, near Pyramid Peak 1982 Comment
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Jul 6 2014
  POM249977  Eriogonum davidsonii E. C. Jaeger 1939-8-9 s.n. Riverside Tin Mine Canyon. Comment
  UCR178321  Eriogonum fasciculatum subsp. polifolium T. B. Salvato, Tracy Tennant 1998-7-18 MOR- 619 Riverside San Bernardino Mtns., Morongo Indian Reservation, vicinity of Wood and Potrero Canyons 1280 Comment
  POM159934  Eriogonum fasciculatum var. flavoviride E. C. Jaeger 1926-3-26 s.n. Riverside Eagle Mts. Comment
  CAS-BOT-BC175217  Eriogonum fasciculatum var. polifolium A. C. Sanders 2004-7-1 28386 Riverside Perris-Aguanga Surface/Menifee Valley Region: Paloma Valley, large rocky hill (1762 ft.) 1 mi. E of Murrieta Rd. and 1 mi. N of Bundy Canyon Rd., ca. 5 miles due south of Sun City 488 Comment
  JOTR16811  Eriogonum fasciculatum var. polifolium Baker, James K. & Baker, Ilisa T. 1966-6-17 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS Comment
  JOTR30060  Eriogonum fasciculatum var. polifolium La Doux, Tasha, Mike Bell, Katy Mathews, Alice Miller, Amber Holt 2007-5-23 1691 Riverside Joshua Tree National Park. Stop #1 = Near Geology Tour Rd., N of Malapai Hill 1267 Comment
  LA206787  Eriogonum fasciculatum var. polifolium W. Pequegnat; 1938-5-15 sn Riverside Santa Ana Mountains, Bear Springs Comment
  LA84261  Eriogonum fasciculatum var. polifolium O. H. Kappler; 1948-4-18 1652 Riverside Whitewater Comment
  UCD100074  Eriogonum fasciculatum var. polifolium Nancy Ryan Zabriskie 1969-4-27 204 Riverside Andreas Canyon near Palm Springs. 365 Comment
  CAS-BOT-BC253491  Eriogonum gracile James L. Reveal; Caroline G. Reveal 1972-8-6 2843 Riverside Along California Highway 74, 3 miles southwest of Elsinore at the north end of Elsinore Mountains about 0.6 mile southwest of the turnoff to Lakeland Village Comment
  SDSU6523  Eriogonum gracile R. Harvin 1962-7-28 39 Riverside Roadside approx. 2 miles east of Hemet off highway 74. 914 Comment
  RSA544324  Eriogonum gracile var. incultum Steve Boyd 1991-9-8 6432 Riverside Peninsular Range Aguanga Valley, sandy wash of Temecula Creek, south of Hwy 79 at jct with Hwy 371. 600 Comment
  SD241928  Eriogonum gracile var. incultum A. C. Sander, John F. Green 2012-6-25 40312 Riverside Peninsular Range; Santa Ana Mountains Region: Temescal Canyon near Hostettler Road south of I-15, narrow canyon draining from vicinity of Palomino Creek Drive at end of Calendula Street (Alberhill 7.5'Q) 387 Comment
  UCD100277  Eriogonum inflatum L. S. Rose 1935-12-30 s.n. Riverside Hot Springs, 7 miles north of Garnet, Colorado Desert. 609 Comment
  POM229427  Eriogonum inflatum var. deflatum P. A. Munz 1937-5-29 15145 Riverside Dead Indian Creek, north base of Santa Rosa Mts. 457 Comment
  UC6333  Eriogonum inflatum var. deflatum H. M. Hall 1901-6-1 2120 Riverside along borders of Colorado Desert (e base of San Jacinto Mountains); San Jacinto Mountains, Colorado Desert Comment
  JEPS56754  Eriogonum maculatum W. L. Jepson 1928-4-25 12599 Riverside wash below Cottonwood Spring; Colorado Desert, Eagle Mts. 731 Comment
  UCR118185  Eriogonum molestum George K. Helmkamp, E. A. Helmkamp 1998-6-27 4073 Riverside San Jacinto Mtns., Garner Valley, along Hwy 74 at Morris Ranch Rd. 1372 Comment
  RSA5249  Eriogonum nudum var. pauciflorum Carl B. Wolf 1932-8-5 3986 Riverside Trail from Tahquitz Valley to San Jacinto Peak, San Jacinto Mountains. 2744 Comment
  SFV20147  Eriogonum nudum var. pauciflorum J. N. Hogue, S. G. Hogue, J. M. Wrublik 2005-9-4 261 .1 Riverside Santa Rosa Mountains Garnet Queen Creek at Santa Rosa Mountain Truck Trail (=USFS Road 7S02). 4.8 miles from Highway 74. 1865 Comment
  CAS-BOT-BC33969  Eriogonum plumatella var. jaegeri Edmund Carroll Jaeger 1921-11-5 251 Riverside Dry Morongo Wash, near Hole-in-the-Wall Spring Comment
  RSA698446  Eriogonum pusillum J. R. Bruff 1927-3-12 3 -G Riverside Whitewater. Comment
  UC1329839  Eriogonum pusillum James E. Cole 1941-5-30 832 Riverside Quail Mountain Joshu Tree National Monument, Quail Mountain 1524 Comment
  CAS-BOT-BC263518  Eriogonum thomasii Frank W. Peirson 1926-1-31 6490 Riverside Abundant at Dos Palmas, Colorado Desert Comment
  JEPS56263  Eriogonum thomasii W. L. Jepson 1927-4-12 11655 Riverside Painted Canyon Mecca Hills, Painted Canyon 76 Comment
  JEPS56270  Eriogonum thomasii Marjorie D. Clary 1932-5-25 1695 Riverside Berdoo Canyon Colorado Desert, Little San Bernardino Mts., Berdoo Canyon 762 Comment
  RSA27510  Eriogonum thomasii I. L. Wiggins 1941-3-27 s.n. Riverside South end of Coxcomb Mountains 8 miles northeast of Desert Center. Comment
  SD103935  Eriogonum thomasii J. L. S. Simpson 1965-5-14 Riverside Toward the New York Mountains Comment
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Mar 23 2014
  UC6366  Eriogonum thomasii C. R. Orcutt Apr. 1889 Riverside Colorado Desert Comment
  UCR148450  Eriogonum thomasii John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.1 mile transect along Coachella Canal right-of-way, between siphons 24 and 25, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  UCR36108  Eriogonum thomasii R. F. Thorne 1983-4-23 55503 Riverside San Bernardino Mtns., On the south end of ridge at mouth of Whitewater Canyon, east of bridge, 'about 3.3 mi. north of Whitewater Post Office' [!??] 427 Comment
  RSA522267  Eriogonum thurberi Steve Boyd, Dave Bramlet, Harry Spilman 1989-4-30 3513 Riverside Gavilan Hills, Harford Springs County Park on the N edge of the Gavilan Plateau, E of Gavilan Creek 610 Comment
  UCR92748  Eriogonum thurberi A. C. Sanders 1994-7-27 15160 Riverside Riverside, Santa Ana River between the San Bernardino Co. line & the Market Street Bridge 246 Comment
  POM98158  Eriogonum thurberi P. A. Munz 1925-5-20 9851 Riverside 2 mi. east of Aguanga. Comment
  SBBG28174  Eriogonum vimineum S. G. Stokes 1933-7-1 106 Riverside near Idyllwilld Comment
  CAS-BOT-BC264928  Eriogonum wrightii var. membranaceum Peter Kamb 1948-10-21 1274 Riverside Hall Canyon, San Jacinto Mts. 1645 Comment
  SD232307  Eriogonum wrightii var. membranaceum LeRoy Gross, Elizabeth A. Kempton 2008-8-21 3573 Riverside Peninsular Ranges: San Jacinto Mountains region: Southern spur of Pine Meadow, SE of Highway 371, NW of Santa Rosa Summit; Survey north side of Highway 74. 1477 Comment
  RSA0026183  Eriogonum wrightii var. membranaceum John F. Emmel 1997-8-3 1522 Riverside San Jacinto Mts.; ridge top northwest of Morris Ranch Road, ca. 0.7 air mile WSW of Goff Flat. 1634 Comment
  UCR139390  Eriogonum wrightii var. nodosum P. A. Munz 1932-10-16 12852 Riverside Santa Rosa Mountains, north base of mountains, road [from] Indio to Vandeventer Flat 610 Comment
  UC1133261  Erioneuron pulchellum H. S. Yates 1937-3-23 6440 Riverside 15 mi nne Mecca; Thermal Quadrangle Comment
  POM161197  Eriophyllum confertiflorum Hattie Wright 1929-7-25 s.n. Riverside Idyllwild, San Jacinto Mts. Comment
  UCR165851  Eriophyllum confertiflorum T. B. Salvato, John F. Green 2004-5-27 635 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
  UCR21976  Eriophyllum confertiflorum Steve Boyd 1980-5-5 208 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  UCR230932  Eriophyllum confertiflorum T. B. Salvato, Richard Camacho 2011-6-12 5488 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
  RSA160884  Eriophyllum multicaule Peter H. Raven 1962-3-19 16916 Riverside State Highway 74, 1.6 miles northeast of junction with State 71, north of Elsinore. Comment
  UCR51837  Eriophyllum multicaule M. B. Dunkle 1935-3-10 4355 Riverside Peninsular Range, Temescal Canyon 274 Comment
  JOTR32134  Eriophyllum wallacei La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2290 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Sandy pediment/bajada surrounding granitic ourcrops near Stirrup Tank parking lot (Stop 1) Comment
  POM14085  Eriophyllum wallacei P. A. Munz, D. D. Keck 1922-4-14 4981 Riverside 10 mi. west of Indian Wells. Along the Whitewater Wash. 91 Comment
  RSA296853  Eriophyllum wallacei H. S. Yates 1937-3-23 6412 Riverside 3 miles N of Palm Springs 213 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
  UCD132251  Eriophyllum wallacei Collector Unknown 1923-3-25 299 Riverside Whitewater. Comment
  UCR199645  Erodium brachycarpum Scott D. White, Justin M. Wood 2008-3-25 11775 Riverside Perris/Elsinore Basin, Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon 'Morgan' Property, Alberhill area 366 Comment
  UCR26264  Erodium brachycarpum John C. Roos 1966-3-22 s.n. Riverside Moreno Valley, Edgemont. Comment
  CDA4662  Erodium cicutarium M. L. Jack 1973-3-15 Riverside Banning. 0 Comment
  UCR245918  Erodium cicutarium Naomi Fraga, David Fracker, Thomas Stoughton 2012-3-15 3951 Riverside Sonoran (Colorado) Desert, off of Box Canyon Rd., south of Shaver Well in a wash 229 Comment
  POM13932  Erodium texanum P. A. Munz 1922-3-12 4711 Riverside Andreas Canyon, Palm Springs. [Santa Rosa Mtns., W margin Colorado Des -SW] Comment
  JEPS53569  Erysimum capitatum var. capitatum Carl V. Meyer June 1927 170 Riverside Saunder's Meadow San Jacinto Mt Comment
  RSA0022971  Eschscholzia androuxii Percy C. Everett, E. K. Balls 1958-5-7 23114 Riverside S end Joshua Tree National Monument 1067 Comment
  JEPS51792  Eschscholzia californica W. L. Jepson 1901-5-31 1567 Riverside Valley of the Temecula River Comment
  HSC99167  Eschscholzia glyptosperma Paul J. CaraDonna 2009-3-17 128 Riverside Jumbo Rock Campground, Joshua Tree National Park. Comment
  UCD96514  Eschscholzia papastillii Shannon M. Still; Robert Lee 2009-3-3 452 Riverside California. Riverside County: Joshua Tree National Park. 537 Comment
  UCR268949  Eschscholzia papastillii Jim Andre 2015-3-2 31354 Riverside Mojave Desert, along Kolbe Road, northwest end of Coachella Valley at foot of Little San Bernardino Mountains, 0.2 mi west of intersection between Hwy 62 and Indian Avenue, road to Desert Hot Springs, 2.3 mi south of San Bernardino Co. line 529 Comment
  CAS-BOT-BC419619  Eschscholzia parishii Ynez Whilton Winblad 1937-3-22 s.n. Riverside Near Mecca Comment
  CAS-BOT-BC419648  Eschscholzia parishii Annie M. Alexander; Louise Kellogg 1941-5-12 2155 Riverside Colorado Desert. Along main road; 4 miles northeast of Cottonwood Spring, Eagle Mountains 914 Comment
  SD225054  Eschscholzia parishii G. K. Helmkamp 1998-4-4 3160 Riverside Colorado Desert: 7.1 mi. N of Hwy I-10 on Eagle Mtn Rd, to the vicinity of the pumpins station 305 Comment
  UC111316  Eschscholzia parishii S. B. Parish 1907-4-15 6603 Riverside Whitewater Western edge of Colorado Desert (type station) 600 Comment
  UC635608  Eschscholzia parishii H. L. Mason 1928-3-10 4244 a Riverside road from Indio to Palm Springs Comment
  UC635609  Eschscholzia parishii H. L. Mason 1928-3-10 4191 Riverside Whitewater River Comment
  UC855186  Eschscholzia parishii Ivan Johnston 1917-4-4 1003 Riverside Palm Canyon Colorado Desert 304 Comment
  UCR16457  Eschscholzia parishii Rodney Hendrick 1965-3-14 s.n. Riverside Sonoran (Colorado) Desert, Box Canyon about 8 miles east of Mecca 274 Comment
  RSA0022915  Eschscholzia parishii I. M. Johnston 1917-4-4 1003 Riverside Colorado Desert: Palm Canyon. 305 Comment
  RSA709772  Eucalyptus A. C. Sanders 1988-5-29 7878 -B Riverside University of California, Riverside. Botanic Garden. 366 Comment
  UCR112832  Eucalyptus camaldulensis A. C. Sanders 1997-5-1 20613 Riverside Lake Skinner area, old house site at gated road junction into Shipley Reserve area, c. 1 km NE of Lake Skinner in mouth of Rawson Creek Canyon 457 Comment
  UCR167433  Eucrypta chrysanthemifolia John F. Green 2005-3-16 s.n. Riverside Perris-Aguanga Basin, Cajalco Canyon, SE of Corona, SW of Lake Mathews, east of Calif. highway 71; Collections made while monitoring pipeline repair 366 Comment
  UCR26225  Eucrypta micrantha John C. Roos 1947-3-15 3348 Riverside Sonoran (Colorado) Desert, Santa Rosa Mountains, mouth of Deep Canyon at foot of mtns. 366 Comment
  UCR281196  Eulobus californicus Michael D. Wilcox 2017-4-18 s.n. Riverside Sonoran (Colorado) Desert, 1 mile long segment of Palm Canyon Wash, centered on Hwy 111 crossing, city of Palm Springs 165 Comment
  RSA736107  Euphorbia L. C. Wheeler 1950-4-7 6759 Riverside Ca. 3 mi. west of Dale Lake, just west of two pumping plants on main 29 Palms- Amboy Rd. Comment
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Aug 15 2012
  UC1929948  Euphorbia albomarginata Scott D. White, Angelia Carey 2004-7-2 10551 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. San Jacinto 7.5' Quad. Comment
  UCR137040  Euphorbia albomarginata A. C. Sanders 2004-5-5 27755 Riverside Gavilan Hills, route of proposed realignment of Gavilan Rd., SSW from Multiview Rd. intersection, c. 0.25 mi. NNW of Harford Spring, c. 1.2 mi. NE of Gavilan Peak 579 Comment
  UCR225450  Euphorbia albomarginata A. C. Sanders, T. B. Salvato 2011-3-28 38830 Riverside Peninsular Range; Perris-Aguanga Basin Region, Menifee Valley, between Sun City and Perris, west end of McLaughlin Rd. near Byers Rd., along powerline corridor 442 Comment
  SD27987  Euphorbia eriantha Carl B. Wolf 1932-4-29 Riverside Eastern Colorado desert, western edge of Maria Mountains, 17 miles from Blythe on Rice Road Comment
  UCR264243  Euphorbia micromera A. C. Sanders, Jim Malusa 2015-9-10 41851 Riverside Sonoran (Colorado) Desert, Salt Creek Canyon, along Summit Road c. 1.5 miles above mouth of Red Canyon, edge of Chocolate Mountains Aerial Gunnery Range 433 Comment
  UCR88231  Euphorbia nutans A. C. Sanders 1994-11-8 15863 Riverside Sonoran (Colorado) Desert, Coachella Valley, Palm Desert. Weeds in lawns & flower beds along a commercial strip on Hwy 111 between Hwy 74 & Sage Lane 46 Comment
  UCR113224  Euphorbia polycarpa A. C. Sanders, Tracy Tennant, A. Montalvo, B. Wagner 1997-11-20 21621 Riverside South of Hemet, North Hills (N side of Diamond/Domenogoni Valley), near future saddle dam of reservoir 549 Comment
  RSA162836  Euphorbia polycarpa var. polycarpa J. D. Olmsted 1959-4-17 386 Riverside Riverside - San Bernardino County line along west side of Highway 71, 1/4 mile north of Prado Dam. 213 Comment
  JOTR35986  Euphorbia setiloba Harding, Mitzi, Mark Wheeler 2012-9-4 197 Riverside Joshua Tree National Park. Pinto Basin; active wash between rocky/ gravelly hills west of Pinto Mtn (stop 3) 479 Comment
  RSA392122  Eustoma exaltatum Anstruther Davidson 1893-04 s.n. Riverside Palm Springs. Comment
  CAS-BOT-BC167367  Fagonia laevis Peter H. Raven 1958-1-23 11433 Riverside Desert alluvial fan of Fargo Canyon Comment
  RSA123084  Fagonia laevis H. S. Yates 1936-4-7 5445 Riverside 8 mi. N of Mecca. 457 Comment
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Dec 15 2011
  VVC1721  Fagonia laevis Jim Andre, T. La 2009-3-10 s.n. Riverside Colorado Desert, Joshua Tree Natl. Park; south end of the Cottonwood Mtns near Pinkham Wash just N of aquaduct just inside JTNP boundary, approx 7 mi W of S entrance into park at Cottonwood. 542 Comment
  RSA0065486  Fagonia laevis David B. Dunn, Lint 1955-4-1 11822 Riverside Pushawalla Canyon, Indio Hills. Comment
  RSA605772  Fagonia pachyacantha A. C. Sanders 1995-5-23 17115 Riverside Colorado Desert, Coachella Valley: alluvial fans below the Santa Rosa Mtns., N of Toro Cyn., W of Monroe St., S. of Ave. 62 15 Comment
  CLARK-A1528-7830  Festuca arundinacea John C. Roos 1949-5-21 4317 Riverside Temecula 304 Comment
  UCR92643  Festuca arundinacea Steve Boyd 1985-7-23 1016 B Riverside Peninsular Range, De Luz Road, 8 mi west of Rancho California. Side canyon of Sandia Creek 305 Comment
  UCR2430  Festuca microstachys F. M. Reed 1907-4-4 1270 Riverside City of Riverside. Arroyo Tequesquite Comment
  RSA0120329  Festuca octoflora Duncan S. Bell, Thomas Stoughton 2016-4-14 9289 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
  UCR214900  Festuca octoflora A. C. Sanders 2010-3-23 37527 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, at SW foot of Palen Mtns. 140 Comment
  UCR2422  Festuca octoflora F. M. Reed 1920-3-24 4175 Riverside Western Colorado Desert, Murray Canyon, a tributary of Palm Canyon near Palm Springs 305 Comment
  UCR75038  Festuca octoflora A. C. Sanders, E. J. Lawlor 1992-4-4 12152 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCR88303  Festuca octoflora A. C. Sanders, K. C. Rose 1995-4-5 16385 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 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
  UCR155318  Filago gallica A. C. Sanders, Mike Misenhelter 2005-3-23 29251 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  RSA464882  Forestiera pubescens Bonnie C. Templeton 1931-4-23 s.n. Riverside Gavilan Peak. 500 Comment
  UC878021  Forestiera pubescens P. A. Munz and I. M. Johnston 1922-5-21 5511 Riverside 2 mi below Kenworthy; San Jacinto Mts., Hemet Valley 1402 Comment
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Mar 25 2011
  RSA0121168  Fouquieria splendens Duncan S. Bell, LeRoy Gross 2016-3-30 9182 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 6.25 air miles southeast of the summit of Martinez Mountain. 518 Comment
  JEPS45782  Fouquieria splendens subsp. splendens W. L. Jepson 1912-10-30 5251 Riverside Black Point; Riverside Mts. 45 Comment
  UC488841  Fragaria vesca C. V. Meyer Jun 1927 195 Riverside Saunder's Meadow; San Jacinto Mts. 1676 Comment
  UCSC001447  Fragaria vesca Peter Kamb 1947-5-17 518 Riverside San Jacinto Mts, Hall Canyon 1646 Comment
  RSA0018445  Fragaria vesca R. M. Straw 1953-6-5 452 Riverside Fuller Mill Creek camp, Idyllwild-Banning Rd. Comment
  RSA0018946  Fragaria vesca Philip A. Munz 1922-6-27 5855 Riverside Santa Rosa, Santa Rosa Mts. 1982 Comment
  SD212712  Frangula californica T. B. Salvato 2004-5-27 597 Riverside Head of Banning (San Gorgonio River) Canyon .Bernardino County line, 0.5 mile Southeast of Oak Glen Conservation Camp. 1402 Comment
  PASA193  Frasera parryi J. Poole 1964-6-29 Riverside San Jacinto Mts. Comment
  POM9990  Frasera parryi H. M. Hall 1901-07 s.n. Riverside In the vicinity of Strawberry Valley. 1585 Comment
  UCR127546  Fraxinus uhdei A. C. Sanders, T. B. Salvato 2003-5-21 26806 Riverside Elsinore Valley, Wildomar, old ranch parcel SE of Wesley St. and SW of Laguna Rd., west of Orange St., NE of Palomar St. 402 Comment
  UCD122024  Fraxinus velutina A. C. Sanders; O. F. Clarke 1991-6-10 11134 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  RSA221032  Fritillaria biflora E. W. Lathrop 6192 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  CLARK-A1528-688  Fumaria officinalis Olga Kersteiner 1963-3-12 Riverside Indio Comment
  SBBG119445  Funastrum cynanchoides var. hartwegii A. C. Sanders 2004-5-12 27873 Riverside Walker Cyn at NE foot of Alberhill Mtn, Temescal Crk 378 Comment
  SD229053  Funastrum heterophyllum Dick Schwenkmeyer 2012-5-22 710 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 mi. south of intersection of highways 10 and 111, Riverside County, CA. 511 Comment
  UCR158137  Galium angustifolium A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30119 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
  POM259256  Galium angustifolium subsp. angustifolium Philip A. Munz 1938-8-14 15379 Riverside High ridge east of Toro Peak, Santa Rosa Mts. 2287 Comment
  RSA44864  Galium angustifolium subsp. angustifolium J. C. Roos 1948-5-8 3819 Riverside Steep north-facing slope, Whitewater Canyon. 549 Comment
  UC28161  Galium angustifolium subsp. angustifolium H. M. Hall July 1901 2509 Riverside vicinity of Strawberry Valley San Jacinto Mountains 1584 Comment
  UCR95234  Galium angustifolium subsp. gracillimum D. L. Banks, E. H. Banks 1996-5-2 0929 Riverside NW Palomar Mountains, Agua Tibia Mtns., NW foothills of Dorland Mtn, S end of Los Caballos Road, University of California-Emerson Oaks Reserve, c. 20 m inside the preserve boundary gate, 3 m east of the main road along an open field. 448 Comment
  RSA0063962  Galium angustifolium subsp. jacinticum J. M. Andre 2012-6-15 30513 Riverside San Jacinto Mountains; along Hwy 243, 8.6 mi. south of Interstate 10 (Banning), just northeast of Hungry Hollow and Poppet Flat; SB Natl. Forest. 1308 Comment
  RSA633330  Galium angustifolium subsp. jacinticum Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38092 Riverside San Jacinto Mountains: San Bernardino National Forest. Above James Reserve in Hall Canyon. 1677 Comment
  RSA761272  Galium angustifolium subsp. jacinticum Shawn Krosnick, Lucinda A. McDade, Naomi S. Fraga 2010-8-14 672 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA219237  Galium parishii C. W. Tilforth 1970-9-2 303 Riverside On road to Santa Rosa Mtn. Comment
  UC1925784  Galium porrigens Naomi Fraga, Sarah De Groot, Valerie Soza 2004-6-28 1287 Riverside Peninsular Ranges; San Jacinto Mountains region: Along Red Hill Road (5S10) near Alvin Meadows, southwest of Pine Cove. Comment
  UC64377  Galium porrigens H. M. Hall 1897-6-16 645 Riverside w side San Jacinto Mountains (Junction <from notebooks, according to L. T. Dempster>) Comment
  CLARK-A1045-214  Galium stellatum subsp. eremicum George K. Helmkamp 1979-4-18 Riverside Little San Bernardino Mountains 3.5 miles north of Dillon Road; rocky area at base of dry wash; Lost Horse Mtn. 15'Q Comment
  RSA776845  Galium stellatum var. eremicum Amber Swanson 2011-3-18 231 Riverside Near campsite off Corn Spring Rd in Chuckwalla Mtns 575 Comment
  UCR13739  Garrya flavescens N. R. Zabriskie, W. W. Zabriskie 1972-10-22 545 Riverside Santa Rosa Mtns, N slope of mountains, by Cactus Spring Trail crossing of Horsethief Creek, tributary to Deep Canyon. (Site 13) 1098 Comment
  RSA296127  Garrya flavescens var. pallida Barry A. Prigge 1980-8-11 3913 Riverside Whitewash Canyon: 3 miles N of the trout farm. 957 Comment
  RSA1523  Garrya veatchii B. D. Stark 1930-3-18 1490 Riverside Mt. San Jacinto Comment
  RSA0012050  Gazania linearis Steve Boyd, Susan Jett 2008-3-20 11833 Riverside Along Main Divide Truck Trail, south of junction with Wildomar Truck Trail and north of Wildomar Off-Hiway Vehicle Area. Comment
  RSA577514  Gazania linearis D. L. Banks, S. D. Boyd 1995-2-16 0043 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, along the Woodchuck Trail. 627 Comment
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Feb 20 2020
  UCR151422  Gazania linearis D. L. Banks, V. W. Steinmann 1997-3-13 1431 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
  CAS-BOT-BC303572  Geraea canescens David D. Dunn 1946-2-23 1962 Riverside All American Canal catch basin from desert washes. Orascopia Mts NE of the Salton Sea Comment
  CAS-BOT-BC303608  Geraea canescens H. M. Hall 1905-4-1 5866 Riverside Chuckawalla Bench Comment
  POM308426  Geraea canescens Henry J. Ramsey, Henry J. Ramsey 1938-4-22 3073 Riverside Indio. Comment
  POM358668  Geraea canescens Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  SFV17346  Geraea canescens J. D. Dilley, J. N. Hogue 1998-4-24 281 Riverside Colorado Desert Chuckwalla Mountains. Corn Springs Wash on Corn Springs Road, 1 mile southwest of Interstate Highway 10. 274 Comment
  UC909785  Geraea canescens Norman C. Cooper 1949-3-15 3027 Riverside Palm Springs Palm Springs (roadside) 121 Comment
  UCR166007  Geraea canescens 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
  RSA0009855  Gilia angelensis Marcus E. Jones 1903-5-11 10281 Riverside Banning. 701 Comment
  RSA670710  Gilia angelensis B. C. Templeton, I. W. Clokey 1930-4-9 1027 Riverside North Banning 610 Comment
  RSA67095  Gilia angelensis Verne Grant 1949-4-27 8700 Riverside 6 miles from Lake Elsinore on Perris-Elsinore rd. Comment
  SBBG47438  Gilia angelensis N. C. Cooper 1944-4-23 1100 Riverside Banning 701 Comment
  SEINET1908463  Gilia angelensis A. C. Sanders, T. B. Salvato 2008-1 34424 Riverside San Bernardino Valley Region: Riverside, vacant lot at NW corner of the intersection of Chicago Ave. and M. L. King (ex Pennsylvania) Ave. 296 Comment
  UC880109  Gilia angelensis P. A. Munz and I. M. Johnston 1922-5-19 5350 Riverside 5 mi ne Murietta; ne of Murietta 457 Comment
  UCR1075  Gilia angelensis Robert A. Hawthorne 1957-3-23 s.n. Riverside C.E.S. (Citrus Experiment Station, now UCR) in open places near water storage tanks 305 Comment
  UCR59134  Gilia angelensis N. M. Fellows 1985-3-16 112 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mts Comment
  RSA597804  Gilia angelensis Scott D. White 1996-3-31 3871 -A 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 439 Comment
  SD140030  Gilia capitata Scott White 1993-4-22 1226 Riverside North Alberhill Ranch, in hills north of Walker Canyon. 487 Comment
  RSA71798  Gilia capitata subsp. abrotanifolia F. W. Peirson 1924-7-29 5034 Riverside Banning to Idyllwild road, San Jacinto Mountains. 1570 Comment
  UC52831  Gilia diegensis H. M. Hall April, 1902 2913 Riverside vicinity Winchester; vicinity of Winchester 457 Comment
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Mar 20 2011
  RSA673551  Gilia ochroleuca Scott D. White, Tasha La Doux 2000-4-20 7698 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  UCR193266  Gilia ochroleuca A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35571 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, slope below May Valley Rd. toward meadow on nameless tributary NW of Herkey Crk., north of Bonita Vista Rd. 1585 Comment
  CAS-BOT-BC407617  Gilia ochroleuca subsp. exilis N. M. Fellows; A. C. Sanders 1985-4-9 142 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 487 Comment
  POM65959  Gilia ochroleuca subsp. exilis H. M. Hall 1902-04 2912 Riverside Vicinity of Winchester 457 Comment
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Mar 20 2011
  UC63808  Gilia ochroleuca subsp. exilis H. M. Hall Jun, 1901 2043 Riverside exposed s slopes in the vicinity Chalk Hill; San Jacinto Mountains, vicinity Chalk Hill 1432 Comment
  UCR91857  Gilia ochroleuca subsp. exilis A. C. Sanders, S. Hawkins 1996-4-24 18071 Riverside San Bernardino Mtns, Morongo Indian Reservation, along dirt road in Hathaway Canyon, near Burro Flats 1159 Comment
  UCR51928  Gilia scopulorum Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2186 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  SD181413  Gilia splendens Scott D. White, Bill La Haye 2000-5-27 7960 Riverside San Jacinto Mountains; Baldy Mountain area. 1616 Comment
  JOTR35218  Gilia stellata La Doux, Tasha, M. Harding, B. Truesdell 2011-3-15 3642 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains; rocky wash with gradual, loose slopes on either side; draining into west Pinkham Wash (Stop 3) Comment
  RSA0097447  Gilia stellata Scott D. White, Justin M. Wood 2009-4-29 12625 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  RSA792047  Gilia stellata R. F. Thorne 1995-3-29 63022 Riverside White Water Canyon. 600 Comment
  UC667281  Gilia stellata Annie M. Alexander and Louise Kellogg 1941-4-27 2099 Riverside Joshua Tree National Monument Joshua Tree National Monument (Riverside and San Bernardino Counties) 1310 Comment
  UC73217  Glycyrrhiza lepidota Miss M. Alice King May, 1893 Riverside Elsinore River Comment
  RSA552541  Gnaphalium canescens D. Charlton 1987-12-6 1104 Riverside Cottonwood Canyon, first canyon W of Whitewater N of the 10 freeway. N of Palm Springs. Foothills of San Bernardino Mtns. 915 Comment
  UCR119264  Gnaphalium canescens subsp. microcephalum Mitch Provance 1998-6-10 637 Riverside City of Riverside, East side of Pachappa Hill, as accessed from where Panorama road crosses the 91 freeway. 335 Comment
  UCR65274  Gnaphalium canescens subsp. microcephalum Steve Boyd, O. Mistretta 1989-7-18 3765 Riverside Peninsular Range, Vail Lake Area, Temecula Creek Canyon 0.5 mi west of dam 421 Comment
  RSA583611  Gnaphalium microcephalum Steve Boyd, Darin Banks 1995-3-30 8406 Riverside Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the western edge of the Dripping Springs Alcove in tributary of Kolb Creek just east of the old Woodchuck Truck Trail road grade, just south of the Wilderness boundary. 640 Comment
  JOTR34350  Gnaphalium palustre Harding, Mitzi 2012-6-19 20 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Barker Dam 1304 Comment
  RSA740784  Gnaphalium stramineum Scott D. White, Justin M. Wood 2008-7-8 12403 Riverside San Jacinto Mountains: Johnson Meadow. 1439 Comment
  UCR13439  Gnaphalium stramineum A. C. Sanders 1973-5-25 00121 Riverside San Bernardino/upper Santa Ana River Valley, Santa Ana Riverbottom c. 0.5 mi upstream from Salt Lake Railroad bridge 216 Comment
  UCR174350  Gnaphalium stramineum A. C. Sanders 2006-5-19 32393 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR20851  Gnaphalium stramineum A. C. Sanders 1979-8-26 00123 Riverside San Jacinto Mtns, James Reserve above Lake Fulmor. Edge of campground near Indian Creek 1646 Comment
  SEINET3004917  Gossypium hirsutum G. Rink, M. Baker, T. Thomas, M. Honer, A. Karl 2010-10-2 10335 Riverside Canal two miles north of Blythe. 70 Comment
  POM159830  Grayia spinosa E. C. Jaeger 1926-4-15 s.n. Riverside Desert Queen Mine 1220 Comment
  POM14363  Guillenia lasiophylla P. A. Munz, D. D. Keck 1922-4-9 4805 Riverside Chuckwalla Valley, 10 miles east of Shavers well. 152 Comment
  RSA778237  Guillenia lasiophylla Duncan S. Bell 2009-3-8 42 Riverside Arica Mountains: east side of mountain range, approximately 1.8 air miles northwest of Priest Well. 350 Comment
  UCR106912  Gutierrezia californica D. L. Banks, L. Raz 1996-11-5 1161 Riverside NW Palomar Mtns., Pechanga Indian Reservation, south of San Gabriel Church; west of a newly established firebreak along a NW-SE running ridgeline, SW of the water tank in section 34 390 Comment
  JOTR16594  Gutierrezia microcephala Hogan, J. 1974-9-7 212 Riverside Joshua Tree National Park. UNICTION OF UPPER COVINGTON FLATS AND EUREKA PEAK ROADS 1432 Comment
  CLARK-A1528-231  Haplopappus linearifolius C. M. Flanagan 1973-4-26 OO 301 Riverside Morongo Indian Reservation 914 Comment
  UCR49215  Harpagonella palmeri Steve Boyd 1986-4-2 1589 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  SDSU12908  Hazardia squarrosa var. grindelioides Jutta Buschbom 1991-6-3 17 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
  SEINET1004366  Hedysarum coronarium Walter Graves 2003-1 530 -6 Riverside Riverside: grown at U.C.R. in Agricultural Operations Fields. 305 Comment
  CAS-BOT-BC211541  Helianthemum scoparium John Thomas Howell 1928-7-8 1046 Riverside Santa Ana Mts. above Glen Ivy 1219 Comment
  UCR60263  Helianthemum scoparium Steve Boyd, T. S. Ross, L. Arnseth 1989-6-10 3698 Riverside Peninsular Range, Vail Lake area, benches of Arroyo Seco and slopes of hills to the east 488 Comment
  GMDRC6543  Helianthus gracilentus J. M. Andre 2012-6-15 30494 Riverside San Jacinto Mountains: along Hwy 243 at Mt Edna Rd, approx. 1 mi. north of McMullen Flat, 5.9 mi. south of Interstate 10 at Banning; SB Natl. Forest 1172 Comment
  UC354463  Helianthus gracilentus Edmund C. Jaeger 1925-8-1 Riverside near Gregg's Ranch (Banning-Idylwild Rd.) 1127 Comment
  UCR271517  Helianthus gracilentus T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8360 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
  UC1063900  Heliotropium curassavicum H. S. Yates 1936-4-8 5452 Riverside 5 mi. s.e. Coachella; Thermal Quad. Comment
  UCR112802  Heliotropium curassavicum A. C. Sanders 1997-5-1 20614 Riverside Lake Skinner area, old house site at gated road junction into Shipley Reserve area, c. 1 km NE of Lake Skinner in mouth of Rawson Creek Canyon 457 Comment
  UCR174961  Heliotropium curassavicum Teresa Nieto 2005-5-26 52 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  UCSB39110  Heliotropium curassavicum Jorgensen, Jan 1982-3-23 Riverside Desert Beach along Highway 111, Salton Sea -70 Comment
  POM19570  Heliotropium curassavicum var. oculatum Mary F. Spencer 1923-8-10 2226 Riverside Idyllwild 1646 Comment
  RSA357130  Heliotropium curassavicum var. oculatum R. F. Thorne, P. A. Munz, E. W. Lathrop 1968-5-8 37612 Riverside Lake Elsinore: behind levee at SE end of Lake Elsinore, ca. 1 mile S of Elsinore. Comment
  SBBG87893  Heliotropium curassavicum var. oculatum B. Pitzer, K. Kirtland 1986-5-7 217 Riverside Butterfield Stage Ranch development, in the hills on the N side of Pauba Valley in the Rancho California area, 1 mi S of Buck Mesa on the E side of Butterfield Stage Rd 457 Comment
  SEINET2052675 Image available Hemizonia fasciculata Steven J. Southwell 1971-5-25 Riverside E. side of Pidgeon Pass Rd. approx. 3 miles N of Hwy 74. 609 Comment
  UCR3502  Hemizonia kelloggii Frances Miller 1964-5-20 M- 6456 Riverside N Peninsular Range/San Bernardino Valley, base of Box Springs Mtns., 1/4 mi north of end of Big Springs Rd, above RR 366 Comment
  UCR132829  Hemizonia mohavensis A. C. Sanders, Steve Boyd, Jeff Ross, Mitch Provance 1998-10-25 22270 Riverside San Jacinto Mtns., Mt. Edna Road, c. 0.2 mi. west of Hwy 243 1159 Comment
  UCR82815  Hemizonia mohavensis A. C. Sanders, T. Schram, D. Wappler 1994-10-4 15772 Riverside San Jacinto Mountains, N slope of the mountains; Brown Creek drainage 0.3-0.5 mi. above confluence with Twin Pines Cr. 915 Comment
  RSA613321  Hemizonia paniculata D. L. Banks 1997-3-1 1386 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, west of Pala Road. Reservation lands west of the casino and along Pechanga Creek. 329 Comment
  RSA638200  Hemizonia paniculata Scott D. White 1988-10-9 7170 Riverside Corona, near Bedford Canyon. Foothills at eastern slope of Santa Ana Mts. ''Joseph Canyon'' wash near a disused quarry. Site adjacent to housing tracts now under construction and proposed for same. 305 Comment
  UCR241794  Hemizonia paniculata A. C. Sanders, Dave King 2013-4-11 40790 Riverside Peninsular Range; SE edge Gavilan Hills, hills east of Hwy 74 and south of Perris, SCE power line route NE of intersection of Theda and Eugene streets 511 Comment
  UCR260554  Hemizonia paniculata T. B. Salvato, Matt Malle 2014-5-29 8016 Riverside Perris-Aguanga Basin, Menifee, northeast corner of Bundy Canyon Road and Cottonwood Hills (= Sunset Ave), c. 1 mi west of Murrieta Rd and 4.3 mi southeast of Canyon Lake 534 Comment
  UCR96696  Hemizonia paniculata A. C. Sanders 1995-11-26 17922 Riverside Tule Creek Valley, NE of Tule Peak, between Aguanga and Anza, south of Hwy 371 1311 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
  UCR18051  Herniaria cinerea O. F. Clarke 1967-1 s.n. Riverside UCR campus, in botanic garden Comment
  CAS-BOT-BC508659  Hesperocallis undulata Lester Rowntree 1937-3-23 s.n. Riverside Coachella Valley near Hidden Springs Comment
  UCR112130  Hesperocnide tenella A. C. Sanders, B. Pitzer, T. B. Salvato 1998-4-26 21756 Riverside Box Springs Mtns., Highgrove, Pigeon Pass Canyon just below the county dump 366 Comment
  UC867808  Hesperolinon micranthum P. A. Munz and I. M. Johnston 1922-5-19 5336 Riverside 5 mi ne Murietta 518 Comment
  JEPS20372  Heterotheca grandiflora W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 Riverside Santa Ana River Comment
  UCR119441  Heterotheca sessiliflora subsp. echioides A. C. Sanders, Mitch Provance 1999-9-26 23088 Riverside San Jacinto Mountains, Lake Hemet, north shore at FS day use area 1323 Comment
  CAS-BOT-BC206629  Heuchera hirsutissima H. M. Hall No date on label. s.n. Riverside San Jacinto Mountains 3291 Comment
  UCR92640  Hilaria rigida George K. Helmkamp 1995-3-16 s.n. Riverside Sonoran (Colorado) Desert, Below Coxcomb Mtns., west of Rice Rd., 10.3 mi. NE of Desert Center 200 Comment
  UCSB24967  Hilaria rigida Keefe, Joseph 1967-3-23 Riverside Above Twentynine Palms Highway, 3.8 miles north of Mission Creek Road, Morongo Valley 777 Comment
  RSA0135568  Hilaria rigida G. Rink 2013-3-20 11900 a Riverside About twelve miles west of Blythe, at the site of the proposed Quartzite solar power plant. 105 Comment
  UCD115106  Hirschfeldia incana K. Esau 1935-6-15 s.n. Riverside location unknown. Comment
  PASA1047  Hoffmannseggia densiflora Margaret Stason 1932-4-18 249 Riverside Roadside near Blythe Comment
  CAS-BOT-BC206376  Hoffmannseggia microphylla Alice Eastwood 1913-4-30 3072 Riverside Palm Springs Comment
  CAS-BOT-BC207559  Hoffmannseggia microphylla Aven Nelson; Ruth Nelson 1939-3-28 3310 Riverside In the road-side swales, between Mecca and Hidden Springs Comment
  SBBG3336  Hoffmannseggia microphylla H. and M. Dearing 1936-12-25 853 Riverside Aqueduct Rd ca. 10 mi N of Indio [Long Cyn] Comment
  UCD105855  Hoffmannseggia microphylla P. C. Everett; E. K. Balls 1958-4-29 22958 Riverside U.S. Highway 60/70, Indio to Blythe, 5 mi. e. from jct. with U.S. Hwy 99. 121 Comment
  UCSB18783  Hoffmannseggia microphylla Winn, Will 1963-4-8 Riverside U.S. Highway 60-70, 32.2 miles W of Desert Center 304 Comment
  UCSB18869  Hoffmannseggia microphylla Winn, Will 1963-2-23 Riverside Ladder Canyon, 9 miles E of Mecca, Coachella Valley 213 Comment
  SD187402  Hoita orbicularis Scott D. White, Angelia Carey 2004-5-7 10347 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills 548 Comment
  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
  UCR104646  Hordeum intercedens D. E. Bramlet 1996-4-22 2459 Riverside Perris-Aguanga Basin region, San Jacinto Wildlife area, Lovell Unit. The site is approximately 198 m east of Davis Rd. and 183 m north of the San Jacinto River. Locality was some 46 m south of the existing access road 432 Comment
  UCR182376  Hordeum murinum Andrea Salzman, Carlos Navarro 2006-5-9 97 Riverside Peninsular Range, San Jacinto Mountain foothills, San Jacinto Wildlife Area, east of Davis Road near duck ponds 436 Comment
  UCR202504  Hordeum murinum Justin M. Wood 2008-12-2 259 Riverside Southwest Perris Basin, city of Temecula, Murrieta Creek, downstream of First Street Bridge 305 Comment
  POM20018  Horkelia clevelandii Mary F. Spencer 1923-6-20 2199 Riverside Idyllwld. 1646 Comment
  RSA161165  Horkelia clevelandii Peter H. Raven, R. Snow 1957-7-26 11106 Riverside Just below Vista Grande Ranger Station, Banning-Idyllwild road Comment
  UC114267  Horkelia clevelandii C. R. Orcutt 1890-7-25 2104 Riverside San Jacinto Mts. Comment
  SDSU1684  Hulsea vestita subsp. callicarpha D. F. Howe 1941-6-8 1281 Riverside San Jacinto Mts. 1524 Comment
  UC32856 Image available Hulsea vestita subsp. callicarpha H. M. Hall 1899-5-26 1180 .1 Riverside at Kenworthy; San Jacinto Mts., Thomas Valley; Thomas Valley, San Jacinto Mts. 1386 Comment
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Mar 25 2011
  UCR109737  Hydrocotyle ranunculoides R. E. Orth 1963-3-8 s.n. Riverside Riverside, Santa Ana River 213 Comment
  RSA650973  Hymenoclea salsola Marion P. Harthill 1971-3-19 25 Riverside Palm Desert. Comment
  RSA420185  Hyptis emoryi Bonnie C. Templeton 1930-3-22 1642 Riverside Palm Springs. 400 Comment
  UCD124913  Hyptis emoryi Richard Bates 1949-4-26 s.n. Riverside Cathedral City. Comment
  UCR54047  Ipomoea triloba A. C. Sanders 1988-11-6 8737 Riverside Coachella Valley, W side of Hwy 86/Harrison St., 6.25 mi. south of junction with Hwy 111 in Coachella and 3.85 mi. north of Valerie Jean, 0.55 mi north of Ave. 60 -35 Comment
  RSA91284  Isocoma acradenia var. eremophila F. W. Peirson 1920-12-28 2335 Riverside Murray Canyon near Palm Springs Comment
  SD146013  Isocoma menziesii Mitch Provance 1999-3-28 1074 Riverside Riverside; Belltown area, gravel pits just south of 26th Street and Hall Ave. 249 Comment
  CAS-BOT-BC69864  Isoetes orcuttii Robert F. Thorne 1973-5-23 43853 Riverside Santa Rosa Plateau: N. side of Mesa de Colorado. 609 Comment
  UCR232061  Iva axillaris John F. Green 2008-4-23 07- 06 Riverside Peninsular Range, hills south of Perris, powerline route above the San Jacinto River, east of Lantana Dr., south of Ethanac Rd. 439 Comment
  RSA85817  Ivesia santolinoides E. C. Jaeger 5445 Riverside County Well Canyon [6.8 miles below Pinyon Well on the road to Indio, presumably in what is now called Pushawalla Canyon] Comment
  POM9788  Ivesia saxosa E. C. Jaeger 1921-11-15 254 Riverside Near Desert Queen Mine 1220 Comment
  UCR189779  Juglans hindsii Theresa Johnson 2007-10-9 401 Riverside Peninsular Ranges, Perris-Aguanga basin, Estelle Mountain 498 Comment
  SDSU13571  Juncus balticus subsp. ater W. Miller 1972-7-20 Riverside 316 Comment
  POM12679  Juncus bufonius Phillip A. Munz 1922-9-6 6377 Riverside Hidden Lake, San Jacinto Mountains. 2637 Comment
  UC1601699  Juncus bufonius H. M. Hall Jun 1901 Riverside Onstatt Valley San Jacinto Mountains 1524 Comment
  UC1792802  Juncus bufonius A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30091 Riverside Peninsular Range, Agua Tibia Mountains: UC Emerson Oaks Reserve, ca. 8 miles southeast of Temecula, S of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 457 Comment
  UCR166807  Juncus bufonius R. E. Riefner Jr. 2005-4-22 05- 238 B Riverside Patton Rd. at Patterson Ave., SE of Winchester near San Diego Aqueduct 452 Comment
  UCR199637  Juncus bufonius Scott D. White, Justin M. Wood 2008-4-3 11803 Riverside Perris/Elsinore Basin, Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon 'Morgan' Property, Alberhill area 366 Comment
  UCR232354  Juncus bufonius John F. Green 2008-4-16 C- 01 Riverside Peninsular Range; Perris-Aguanga Valley, SSE of Romoland, powerline route north of McLaughlin Rd, between Palomar and Dawson roads 442 Comment
  SD255034  Juncus cooperi Duncan S. Bell 2015-8-12 8592 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Orocopia Mountains; southwestern section of the range, collecting at a spring in the southern section of the Dos Palmas area. Temperature at around 120a^z -41 Comment
  RSA368166  Juncus macrophyllus M. B. Dunkle 1933-7-19 3667 Riverside Strawberry Valley. San Jacinto Mountains. 1707 Comment
  RSA782437  Juncus oxymeris A. C. Sanders, Tim Thomas 2008-8-1 35953 Riverside lower Coldwater Creek near Mountain Center, SSE of Keenwild Fire Station 1372 Comment
  CHSC106635  Juncus rugulosus P. F. Zika; Nick Otting 2010-8-3 25250 Riverside Lake Fulmor, above Route 243, Hall Canyon, Black Mountain, San Jacinto Mountains. 1650 Comment
  UCR188183  Juncus rugulosus Diane Menuz 2006-6-21 172 Riverside Peninsular Range; Santa Ana Mtns, Santa Rosa Plateau, at intersection of Tenaja Truck Rd. and Ranch Rd. 541 Comment
  SEINET3881129  Juncus tiehmii Barbara Ertter, Jeffrey L. Strachan 1979-6-26 2987 Riverside Banning-Idyllwild Road (Hwy 243) at Black Mtn turnoff (Forest Rd 4s01), San Jacinto Mts.; 0 Comment
  SEINET3112188  Juncus torreyi Faulkner 1978-4-27 480 Riverside 3 mi E of Blythe. 137 Comment
  SBBG57370  Juncus xiphioides R. Hoffmann 1929-9-7 Riverside San Jacinto Mtns 1645 Comment
  UCR109745  Juncus xiphioides T. W. Fisher 1969-6-18 s.n. Riverside Peninsular Range, Temecula area, Vail Lake 457 Comment
  CAS-BOT-BC234581  Justicia californica L. S. Rose 1946-12-24 46304 Riverside Tahquitz Canyon Wash, Palm Springs 138 Comment
  CAS-BOT-BC234590  Justicia californica W. R. Dudley 1903-12-25 s.n. Riverside Tahquitz Canon [Canyon] Comment
  JEPS9204  Justicia californica Marjorie D. Clary 1932-12-15 1732 Riverside Bajada 2 mi. w. of Coral Reef Ranch; Colorado Desert, Santa Rosa Mts., Coachella Valley 91 Comment
  JOTR30680  Kallstroemia californica Andre, Jim, Tasha La Doux 2008-9-13 10262 Riverside Joshua Tree National Park. Chuckwalla Valley, along Hwy 177 (northwest side), southeast end of Coxcomb Mountains. East boundary of Joshua Tree National Park. 160 Comment
  SBBG129034  Kallstroemia californica A. C. Sanders, T. B. Salvato 2012-10-12 40416 Riverside Chuckwalla Valley, along Chuckwalla Valley Rd, 0.35 mi W of I-10 jct 114 Comment
  RSA0009770  Kallstroemia californica Marcus E. Jones 1929-9-16 s.n. Riverside East of Desert Center. Comment
  JEPS13806  Kallstroemia grandiflora Marjorie D. Clary 1936-10-24 2736 Riverside Chuckawalla Valley near Desert Center; North Colorado Desert, Chuckawalla Valley 274 Comment
  RSA401733  Keckiella antirrhinoides Anstruther Davidson 1895-5-18 s.n. Riverside Banning. Comment
  UC1424846  Keckiella antirrhinoides J. Sauer and R. Minnich 1977-4-7 5960 Riverside near Hemet; North Fork of San Jacinto Canyon 609 Comment
  UCR225613  Keckiella antirrhinoides A. C. Sanders 2011-3-30 38921 Riverside Peninsular Range; SE edge Gavilan Hills, along north side of Hwy 74 at Riverside Street, just outside city limits of Lake Elsinore 479 Comment
  UCSB17552  Keckiella antirrhinoides Winn, Will 1963-5-4 Riverside 13.3 miles north of Lake Fillmore picnic area; Highway 1 853 Comment
  CAS-BOT-BC235497  Keckiella antirrhinoides I. W. Clokey; E. G. Anderson 1936-4-16 6885 Riverside Along San Jacinto River, East of Hemet 600 Comment
  UCR57123  Keckiella cordifolia Jeri Hirshberg 1989-6-9 s.n. Riverside Santa Ana Mtns, Santa Rosa Plateau: south of town of Murrieta, head of Cole Canyon, NW of Mesa de Burro Comment
  UCR20634  Keckiella ternata W. W. Mayhew 1977-7-12 s.n. Riverside San Jacinto Mtns., Alandale 1768 Comment
  CAS-BOT-BC246223  Keckiella ternata subsp. ternata H. M. Hall 1901-8-1 2634 Riverside Vicinity of Chalk Hill, San Jacinto Mountains 1584 Comment
  UCR132930  Koeleria macrantha 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
  CAS-BOT-BC273671  Koeleria pyramidata H. M. Hall 1901-6-1 s.n. Riverside San Jacinto Mountains. Kenworthy Comment
  SEINET10910278  Krameria J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12830 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 ca 1.3 km on Whitewater Canyon Road. Comment
  SD241066  Krameria bicolor Dave Silverman 2010-3-30 7882 Riverside Southern McCoy Mountains, east bajada flank, 800 m west of Black Creek Road, 4.5 km north of I-10, and 8 km east of McCoy Peak. 155 Comment
  UC1080461  Krameria erecta P. C. Everett and E. K. Balls 1958-4-29 23030 Riverside along rd from Desert Center to Vidal Jct. 21.9 mi sw Rice 548 Comment
  UCD107155  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, ca. 0.8-0.5 mile NE of Black Hills. 854 Comment
  RSA408609  Krameria grayi Gale Sphon 1955-5-22 s.n. Riverside 5 miles south of Pinon Flats, Palms to Pines Hiwy. [74]. Comment
  UC1563078  Krameria grayi Steve Boyd and Orlando Mistretta 1986-3-13 1477 Riverside ne Desert Center (first large canyon at nw tip of western segment of range); w side Palen Mts Comment
  UC449696  Krameria grayi unknown 1917-5-19 3858 Riverside Palm Canyon; near palm grove Comment
  UC570040  Krameria grayi H. S. Yates 1936-4-8 5454 Riverside near Fish Springs; Thermal Quad. 60 Comment
  UC864343  Krameria grayi Ivan Johnston Apr 4 1917-Apr 6 1917 1097 Riverside mouth of Andreas Canyon; Colorado Desert, mouth of Andreas Canyon Comment
  UCR208908  Krameria grayi P. A. Munz, L. T. Street 1919-5-7 2746 Riverside Sonoran (Colorado) Desert, Palm Springs 183 Comment
  UCR25150  Krameria grayi John C. Roos 1965-6-23 s.n. Riverside Sonoran (Colorado) Desert, Eagle Mtns., Lost Palms Canyon, north of Chiriaco Summit Comment
  CLARK-A1528-1976  Lactuca serriola John C. Roos 1965-10-7 Riverside Beaumont Comment
  RSA784731  Lactuca serriola Duncan S. Bell 2012-3-18 3198 Riverside The Mecca Hills; southeastern section of hills; at mouth of Hidden Canyon where drainage is blocked by the Coachella Canal, approximately 2.8 air miles southwest of Hidden Spring. 20 Comment
  UCR199607  Lactuca serriola Scott D. White, Angelia Carey 2004-7-2 10572 Riverside San Jacinto Mountain foothills, Soboba Indian Reservation, Poppet Creek Canyon 610 Comment
  CLARK-A1528-4705  Lamarckia aurea John C. Roos 1947-3-21 3373 Riverside Reche Canyon Comment
  RSA500981  Lamarckia aurea Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3100 Riverside Vail Lake area, ridge-top 1 mile W of dam. 642 Comment
  UCR92449  Lamarckia aurea A. C. Sanders, J. Goetzen 1996-5-1 18127 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  UCR132773  Lamium amplexicaule S. J. Myers 2001-4-2 s.n. Riverside San Jacinto Mtns., Bautista Canyon, along Bautista creek at Bautista Road crossing, south of Conservation Camp 854 Comment
  UCR224992  Lamium amplexicaule Dave Silverman, Cindy Hopkins, Jamison Miner 2008-3-31 6993 Riverside SE of Banning, old gravel pit/dump E of water treatment facility, along Smith Creek, 200 m S of East Westward Ave. 634 Comment
  RSA0106764  Langloisia setosissima subsp. setosissima Duncan S. Bell, Amanda Turek 2009-3-29 137 Riverside Northeast section of the Arica Mountains; northwest section of Rice Valley; approx. 2.25 air miles south of the ghost town of Rice. 230 Comment
  JOTR32129  Larrea tridentata La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade` 2011-4-26 2285 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; sandy flats at base of mountains and northern edge of valley (Stop 4) 996 Comment
  RSA0047318  Larrea tridentata Jim Andre 2014-1-27 26658 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
  RSA457768  Larrea tridentata Steve D. Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2219 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine. 400 Comment
  UCR124632  Larrea tridentata B. C. Templeton, I. W. Clokey 1930-4-9 1076 Riverside Sonoran (Colorado) Desert, North of Palm Springs 400 Comment
  UCR177849  Larrea tridentata Marisa Sripracha, K. A. Boyd 2004-2-14 035 Riverside Sonoran (Colorado) Desert, Myoma, on the Thousand Palms Preserve, near the palm oasis just off Thousand Palms Drive 190 Comment
  UCR216259  Larrea tridentata Mike Bell 2008-3-19 039 Riverside Sonoran (Colorado) Desert, Coachella Valley; 2 miles west of Desert Hot Springs, off Ruby Dr./13th (dirt track) between North Indian Canyon Dr. and Western Ave. 352 Comment
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Oct 12 2013
  UCR227438  Larrea tridentata Thomas R. Stoughton, J. McConnaughy, D. Monks, M. Volke 2010-3-30 110 Riverside Northwestern Colorado (Sonoran) Desert, Coachella Valley Preserve, 4 mi from Ramon Road on Thousand Palms Canyon Road 381 Comment
  UCSB8695  Larrea tridentata Gunnerson, Robert 1953-3-21 Riverside 9 miles east of Indio Comment
  CAS-BOT-BC338913  Lasthenia californica A. C. Sanders 1993-4-5 13694 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74) 460 Comment
  SEINET7063239  Lasthenia californica A. G. Vestal 1963-5-19 s.n. Riverside Among granite boulders 0.9 miles west of Radec on Route 79 [old 71]. UTM Zone 11, 506657mE, 3703091mN. (WGS84/NAD83). 491 Comment
  CAS-BOT-BC352708  Lasthenia coronaria Rimo Bacigalupi; Gene Newcomb 1952-4-25 4399 Riverside Along State Hwy 79 close to summit of St. Johns Grade, about 3/4 mile south of Sage 731 Comment
  JEPS9698  Lasthenia coronaria W. L. Jepson 1939-4-17 19134 Riverside near Twin Sprs. (n end of Temescal Canyon); Temescal Canyon 274 Comment
  POM361560  Lasthenia coronaria Ora M. Clark 1929-2-24 1518 Riverside Cabazon, Colorado Desert. Comment
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Mar 13 2011
  RSA771760  Lasthenia coronaria Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4637 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SD215406  Lasthenia coronaria W. Wisura, A. King and L. Newcomb 1992-4-10 4670 Riverside Mission Creek Ranch, west of Highway 62 below Morongo Valley. Comment
  UC1746505  Lasthenia coronaria Mitch Provance 2000-4-8 2009 Riverside Jurupa Mountains; S extension of ''Rattlesnake Mt.'', <100 m W of peak 1739. Comment
  UC30482  Lasthenia coronaria Geo. R. Hall 1901-3-17 1677 Riverside Riverside Comment
  RSA666587  Lasthenia glabrata subsp. coulteri A. C. Sanders, Sue Nash, Tom Paulek, et al. 2002-4-7 24903 Riverside San Jacinto Wildlife Area, west side of Davis Rd., just north of the old San Jacinto River channel (levee), 2.25mi. N of Lakeview. 434 Comment
  POM305813  Lasthenia gracilis Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1046 Riverside Elsinore. Comment
  RSA650961  Lasthenia gracilis R. L. Bowlin 1949-4-3 s.n. Riverside 3 miles south of Lake Elsinore. 15 Comment
  RSA691954  Lasthenia gracilis Scott D. White, Michael Honer 2003-4-9 8967 Riverside Hemet Area: Northeast corner of Devonshire Ave. and Warren Road, immediately southwest of 'Tres Cerritos.' Former chicken farm. 473 Comment
  UCR128296  Lathyrus latifolius Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8633 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
  SD255728  Lathyrus vestitus Mitch Provance 2012-5-24 512 14 Riverside San Bernardino Mountains: Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. (Beaumont 7.5'Q) 868 Comment
  RSA503412  Lathyrus vestitus subsp. laetiflorus J. D. Olmsted 1962-5-10 3641 Riverside Western Riverside County; Vernal stream bottom, Sandia Creek (the canyon followed for a while by the road from Murrietta to De Luz). ca. 1000' before dropoff; granite outcrop country. 305 Comment
  UC1128965  Lathyrus vestitus var. alefeldii A. Lewis 1934-3-1 357 Riverside Hagador Canyon Cleveland National Forest, Corona Quad. 1082 Comment
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Dec 11 2011
  UCD106531  Lathyrus vestitus var. alefeldii C. V. Meyer 1929-6-1 168 Riverside San Jacinto Mountains. 1676 Comment
  POM361744  Layia H. M. Hall 1897-4-3 442 .5 Riverside Winchester. Comment
  UC279713  Layia glandulosa Edmund C. Jaeger 1925-12-23 Riverside Aguanga 883 Comment
  VVC1155  Layia glandulosa A. C. Sanders 1994-5-29 14573 Riverside San Bernardino Mtns, East Branch Millard Canyon, along Forest Service Road 4S45 1200 Comment
  RSA500133  Lemna minuta Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3677 Riverside Vail Lake area, benches of Arroyo Seco and slopes of adjacent hills to E. 488 Comment
  UCR201466  Lemna minuta Scott D. White, Justin M. Wood 2008-5-15 11978 Riverside San Jacinto Mountains, Johnson Meadow 1476 Comment
  UCR91866  Leonotis nepetifolia A. C. Sanders, G. K. Helmkamp 1995-12-5 17931 Riverside Riverside, yard of O.F. Clarke, 1012 Spruce Street [now an apartment complex], near Canyon Crest Drive 300 Comment
  SD145980  Lepidium dictyotum var. acutidens A. C. Sanders, K. C. Rose 1998-5-21 21858 Riverside Hemet: alkaline flats west of town, east of the canal, south of Highway 74 and ca. 1/4 mile west of Warren Road. 456 Comment
  RSA429926  Lepidium lasiocarpum N. C. Cooper 1949-4-8 3308 Riverside Desert Center. 610 Comment
  JOTR31226  Lepidium lasiocarpum var. lasiocarpum La Doux, Tasha, Alice Miller, G. Clifton 2009-4-9 2010 Riverside Joshua Tree National Park. Eagle Mountains; (Stop 4) basalt rocky slopes above Pinto Wash, sparsely vegetated 377 Comment
  RSA689387  Lepidium latifolium Scott D. White 2003-6-9 9524 Riverside Northeast corner of Devonshire Ave. and Warren Rd., immediately south of Tres Cerritos. 473 Comment
  UCR16600  Lepidium virginicum var. pubescens Leland E. Francois 1966-4-3 4366- 6 Riverside Peninsular Range, south of Sun City, 3.4 mi west of Hwy 395 on Newport Road 439 Comment
  RSA524437  Lepidium virginicum var. robinsonii Steve Boyd, Timothy S. Ross, L. Arnseth 1990-4-3 4053 Riverside Vail Lake Area, summit of Big'' Oak Mts. at E end. 792 Comment
  RSA715299  Lepidium virginicum var. robinsonii A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32656 Riverside 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. 579 Comment
  RSA575857  Lepidospartum squamatum Steve Boyd 1980-9-22 s.n. Riverside Lakeview Mountains, Juniper Flats area along Juniper Flats Rd. at '4 J's Ranch.' Comment
  UC828994  Lepidospartum squamatum Lewis S. Rose 1938-12-20 38332 Riverside 3 mi se of Palm Springs Station; Whitewater wash 274 Comment
  SEINET7883487 Image available Lepidospartum squamatum Lewis S. Rose 1958-1 38331 Riverside 3 mi. se. of Palm Springs Station Whitewater Wash 274 Comment
  RSA450059  Leptochloa panicea subsp. mucronata J. C. Roos 1965-9-5 s.n. Riverside Blythe. Comment
  RSA36204  Leptosiphon androsaceus Frank W. Gould 1943-4-18 2149 Riverside On steep grassy slopes 1 mile west of Banning; foothills of the San Jacinto Mountains. Comment
  RSA524407  Leptosiphon androsaceus Steve Boyd 1990-4-3 4098 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  POM46976  Leptosiphon ciliatus Mary F. Spencer 1203 Riverside In open woods. Idyllwild. 1616 Comment
  CAS-BOT-BC227047  Leptosiphon floribundus subsp. glaber Ynez W. Winblad 1938-5-15 s.n. Riverside Between E. Capistrano and Lake Elsinore Comment
  RSA221058  Leptosiphon floribundus subsp. glaber E. W. Lathrop 1966-5-8 6409 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  SBBG93109  Leptosiphon lemmonii G. Ballmer 1990-5-6 Riverside vicinity of Crown Valley; S of Domenigoni Valley and N (and W) of Rawson Cyn, where rd goes S into hills from Newport Rd 548 Comment
  SD137679  Leptosiphon lemmonii Darin L. Banks, Steve Boyd 1995-5-30 475 Riverside Northwest Palomar Mountains; Agua Tibia Wilderness Area, north flank of Agua Tibia Mountain along the Drippiong Springs Trail; south opf the Dripping Springs Campground just inside the wilderness boundary. 505 Comment
  SD81281  Leptosiphon lemmonii Darley F. Howe 1969-5-15 4590 Riverside Near Cripping Springs Campground. 456 Comment
  SD137678  Leptosiphon parviflorus Darin L. Banks, Steve Boyd 1995-5-3 192 Riverside Agua Tibia wilderness Area; north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  UCR34883  Lessingia filaginifolia L. B. Ziegler 1971-9-9 427 Riverside San Jacinto Mtns, Hemet (Garner) Valley. 1372 Comment
  SBBG132098  Lessingia glandulifera S. D. White 2003-10-9 9822 Riverside Pine Cove area, Dutch Flat; San Jacinto Mtns 1753 Comment
  CAS-BOT-BC339359  Lessingia glandulifera var. glandulifera Winifern W. Swarth 1914-9-10 s.n. Riverside Strawberry Valley (6000 ft.), San Jacinto Mts. 1828 Comment
  POM12132  Leymus triticoides Mary F. Spencer 1921-5-29 1690 Riverside San Jacinto 549 Comment
  RSA515325  Lilaea scilloides Jeri Hirshberg 1989-4-4 s.n. Riverside Santa Rosa Plateau, S of town of Murrieta, SW of Mesa de Burro, and NW of Mesa de la Punta. 610 Comment
  RSA162811  Lilium parryi J. D. Olmsted 1959-7-1 711 Riverside Canyon entering Fern Valley from west of Suicide Rock, at highest dam, 2 miles NE of Idyllwild 1921 Comment
  UCR217562  Limnanthes gracilis subsp. parishii Jeff B. Galvin 2009-4-2 82 Riverside Peninsular Ranges, foothills of the Santa Ana Mountains, Santa Rosa Plateau, Mesa de Colorado, east of the large vernal pool 607 Comment
  RSA655086  Limonium perezii Scott D. White 1999-11-12 7633 Riverside Murrietta Area: Corner of Nutmeg and Clinton Keith. 410 Comment
  RSA552713  Linanthus californicus Steve Boyd, T. S. Ross, Orlando Mistretta 1992-2-25 6682 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Tril from junction 7S04 & 7S01 upstream to southern end of Potrero de la Cienega, but primarily about Tenaja Falls. 396 Comment
  UCR102820  Linanthus dianthiflorus A. C. Sanders 1997-3-26 20110 Riverside Lake Skinner area, NW foot of Tucalota Hills, shallow valley along dirt road 0.65 mi. east of main Lake Skinner road 457 Comment
  UCR86881  Linanthus dianthiflorus A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16241 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
  POM126309  Linanthus jonesii R. Craig 1927-4-2 38 Riverside Canyon near hidden spring. Comment
  RSA646296  Linanthus liniflorus Orlando Mistretta, Mark Elvin 1995-6-19 1778 Riverside San Jacinto Mountains: Highway 74. 1264 Comment
  UC23767  Linanthus parviflorus H. M. Hall 1896-4-3 272 Riverside near Riverside Comment
  UCR51066  Linaria canadensis var. texana S. J. Myers 1988-2-24 s.n. Riverside Peninsular Range, Temescal Canyon, about 0.25 mi west of intersection of Hwy I-15 and Indian Truck Trail 381 Comment
  UC489224  Listera convallarioides C. V. Meyer 1928-7-24 520 Riverside s slope Marion Mt.; San Jacinto Mts. 2133 Comment
  RSA5026  Lithophragma affine subsp. mixtum Dorothy R. Wolf 1932-3-20 26 Riverside Richman Ranch 2.5 mi N of De Luz. SW Riverside County 457 Comment
  JEPS5320  Lobelia cardinalis var. pseudosplendens Marjorie D. Clary 1932-8-7 1683 Riverside Colorado Desert, San Jacinto Mountains, Snow Creek Colorado Desert, San Jacinto Mountains, Snow Creek Comment
  JOTR33965  Loeseliastrum matthewsii La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2851 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; sandy wash and gravelly benches with bouldery granitic outcrops Comment
  RSA0117759  Loeseliastrum schottii Sarah J. J. De Groot 2005-5-16 4966 Riverside Along Worsley Road paralleling Highway 62 between Dillon Road and Indian Ave., Desert Hot Springs area, vicinity of Morongo Creek. 495 Comment
  UCR129334  Loeseliastrum schottii Kimberly Peterson, Micaele Maddison 2001-5-5 501 Riverside Peninsular Range, Pauba Valley north of Pechanga Indian Reservation and east of Temecula, along Temecula Creek 366 Comment
  UCSB28365  Loeseliastrum schottii Speckels, M. 1974-3-23 Riverside 0.3 mi. west of junction of Hwy 74 and Hwy. 111; in Palm Desert 152 Comment
  CAS-BOT-BC342250  Logfia filaginoides S. B. Parish 1884-3-1 1657 in part Riverside Agua Caliente (Palm Springs) Comment
  UC665772  Logfia filaginoides Ira L. Wiggins 1941-3-27 9702 A Riverside slopes 4 mi n Whitewater Comment
  SEINET251733 Image available Lolium multiflorum Walter Graves 2002-6-11 602 -5 Riverside Riverside: grown at UCR in Agricultural Operations Fields (Riverside East 7.5' Q.:). 305 Comment
  SD137926  Lomatium dasycarpum subsp. dasycarpum Darin L. Banks, Steve Boyd 1995-3-15 67 Riverside Northwest Palomar Mountains; Agua Tibia Wilderness Area, north face of Agu Tibia Mountain, Dorland Mountain area. 700 Comment
  RSA613645  Lomatium lucidum D. L. Banks, Victor Steinmann 1997-3-13 1474 Riverside Agua Tibia Mountains: Vail Lake area, north and just S of Hwy. 79. The hills east of the Dripping Springs alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 476 Comment
  JOTR16546  Lomatium mohavense Walters, Jim 1967-3-14 s.n. Riverside Joshua Tree National Park. 1/2 MILE SOUTH OF JUMBO ROCKS Comment
  SD143960  Lonicera interrupta A. C. Sanders, P. MacKay et al. 1997-5-4 20678 Riverside San Jacinto Mountains, north side of range, 0.2 miles north of Twin Pines Ranch Road on the dirt road to Brown Creek and Cabezon 1098 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
  POM17511  Lonicera subspicata var. denudata P. A. Munz 1923-6-18 7128 Riverside Temecula Canyon. Comment
  UCR103778  Lotus corniculatus Scott D. White 1994-10-17 2480 .2 Riverside Temecula Valley, Murrieta Creek channel, downstream from confluence with Santa Gertrudis Creek, south of bridge at Winchester, north of Long Valley Road. 305 Comment
  RSA602485  Lotus grandiflorus var. grandiflorus Scott D. White 1996-8-16 4486 Riverside Idyllwild area: SW of Pine Cove and W of Bear Trap Canyon, in watershed above Alvin Meadows (tributary to Toll Rd. Canyon). 1707 Comment
  UCR112606  Lotus hamatus A. C. Sanders 1998-5-2 21754 Riverside Santa Ana Mtns., Santa Rosa Plateau, Slaughterhouse Canyon, c. 4 miles (airline) west of Murrieta on Clinton Keith Rd. 488 Comment
  RSA195479  Lotus heermannii C. R. Gunn 1963-5-29 2629 Riverside Riverside County road R1, 1/2 mile above Fulmore Lake, San Bernardino National Forest, San Jacinto Mountains. Comment
  UC864786  Lotus heermannii C. Epling and Wm. Robison 1935-6-30 Riverside between Pine Flat and Fuller's Mill; Mt. San Jacinto Comment
  UCR102883  Lotus humistratus A. C. Sanders 1997-3-26 20125 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  UCR120906  Lotus humistratus A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24944 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  RSA788868  Lotus nevadensis var. davidsonii Gary D. Wallace 2003-7-8 4034 Riverside Hidden Lake. Comment
  POM19607  Lotus oblongifolius Mary F. Spencer 1923-07 2196 Riverside Idyllwild, San Jacinto Mt. 1646 Comment
  RSA406419  Lotus oblongifolius var. oblongifolius N. C. Cooper 1944-7-16 1563 Riverside Above Pine Cove, San Jacinto Mtns. 1829 Comment
  SEINET269458 Image available Lotus procumbens var. procumbens A. C. Sanders, H. Spilman 1993-4-24 13788 Riverside SE end of San Bernardino Mts.: south end of Whitewater Bench east side of the mouth of Whitewater Canyon. 450 Comment
  UCR262282  Lotus salsuginosus A. C. Sanders 2006-5-13 32283 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, end of Los Caballos Road in vicinity of water tank 488 Comment
  RSA524445  Lotus salsuginosus var. salsuginosus Steve Boyd, Tim S. Ross, Laurel Arnseth, Jaime Bonilla, Bob Boyd 1990-4-3 4081 Riverside Vail Lake area, upper benches and adjacent slopes of the E flank of 'Big' Oak Mountain., just S of the E summit. 610 Comment
  RSA676100  Lotus salsuginosus var. salsuginosus Scott D. White 2001-4-3 8270 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  RSA662127  Lotus scoparius Daniel Curran 1981-2-16 17 Riverside Lake Matthews Drive, 5.8 miles from junction with Cajalco Rd. Comment
  RSA0029328  Lotus scoparius John F. Emmel 1987-4-14 1046 Riverside Little San Bernardino Mts: Lower Covington Flat, from area just east of Covington Spring to 0.5 air mi SE of Covington Spring. 1372 Comment
  RSA775494  Lotus scoparius var. brevialatus Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4412 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
  RSA0021298  Lotus strigosus Duncan S. Bell, Kim Clark, Keir Morse, Harry Spilman 2013-3-30 4660 B Riverside Around the confluence of the San Gorgonio and Whitewater river drainages, just south of the historic Palm Springs Station, about 1.5 air miles northwest of Windy Point. 340 Comment
  RSA406316  Lotus strigosus Ora M. Clark 1929-3-2 1599 Riverside Near Alberhill Comment
  RSA406330  Lotus strigosus N. C. Cooper 1945-5-24 1629 Riverside Big Oaks Canyon, Banning, San Gorgonio Mountains. 1220 Comment
  RSA776837  Lotus strigosus Amber Swanson, Duncan S. Bell 2011-3-18 221 Riverside About 3 airmiles SE of Desert Center, N of Chuckwalla Mtns. 392 Comment
  UCR214121  Lotus strigosus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37727 Riverside Peninsular Range, Alberhill, south foot of the Gavilan Hills at Temescal Canyon, c. 0.5 mi NE (34 deg. ) of intersection of Temescal Canyon Rd. and Concordia Ranch Rd. 518 Comment
  RSA526497  Lotus strigosus var. hirtellus Steve Boyd, T. S. Ross 1990-5-11 4692 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  UCR13738  Lotus strigosus var. hirtellus N. R. Zabriskie, W. W. Zabriskie 1972-6-18 527 Riverside Peninsular Range; San Jacinto Mtns., along fire road south of the S end of Marion Ridge Rd., Pine Cove, NW of Idyllwild 1939 Comment
  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
  UCR166547  Lotus strigosus var. tomentellus Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10888 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  POM259731  Lotus tomentellus E. C. Jaeger 1939-12-29 s.n. Riverside Eytel canon [canyon]branching from Fargo Canon [canyon] 5 mi. east Indio. 244 Comment
  RSA498724  Lotus tomentellus Bruce M. Crawford 1932-5-1 15293 Riverside Colorado Desert - Windmill springs. Comment
  RSA0003340  Lotus torreyi var. seorsus Mary F. Spencer 1919-6-28 1280 Riverside Idyllwild. 1677 Comment
  POM10288  Lotus wrangelianus Charlotte M. Wilder 1905-4-19 65 Riverside West Riverside Comment
  UC1537085  Lotus wrangelianus Gordon H. True Jr. 1935-4-5 215 Riverside Gavilan Peak Gavilan Hills 731 Comment
  RSA90339  Lotus wrangelianus F. W. Peirson 1922-4-29 4081 Riverside Dripping Spring, Temecula River, southwestern Riverside Co. 457 Comment
  UCR122571  Ludwigia peploides George K. Helmkamp, E. A. Helmkamp 2000-8-29 5981 Riverside Colorado Desert., South of Mecca, where Lincoln St. crosses the Whitewater River, about 0.5 mile from the Salton Sea -67 Comment
  UC15858  Lupinus H. M. Hall July, 1901 2551 Riverside Fuller's Mills Mountains San Jacinto Mountains, Fuller's Mills Mountains (Southern California) 2316 Comment
  UC865541  Lupinus I. W. Clokey and B. C. Templeton 1930-4-9 4701 Riverside Moreno Grade Comment
  POM12770  Lupinus arizonicus P. A. Munz, D. D. Keck 1922-4-9 4762 Riverside Shavers Well, near Mecca. 76 Comment
  RSA779779  Lupinus arizonicus Duncan S. Bell 2010-4-2 688 Riverside Arica Mountains: west side of mountain range within the Palen/McCoy Wilderness; approximately 2.5 air miles northwest of Priest Well; collecting along a steep sand ramp at the head of the main western drainage for the mountain range. 559 Comment
  RSA86946  Lupinus arizonicus F. W. Peirson 1920-3-16 703 Riverside Sandy places opposite mouth of Andreas Canyon, Southwest of Palm Springs. Comment
  SEINET10837901  Lupinus arizonicus subsp. setosissimus Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-22 Holmgren 6471 Riverside Rice valley, 5.1 miles ssw of rice. T2s,r20e,sec.9. Locally common in sandy Gullies. Petals purple, the banner with yellow or red spots 274 Comment
  SD137773  Lupinus bicolor Darin L. Banks, Steve Boyd 1995-5-3 282 Riverside Agua Tibia Wilderness Area, east of the Dripping Springs Alcove Area. 512 Comment
  SD140104  Lupinus bicolor Scott White 1993-4-22 1264 Riverside North Alberhill Ranch, in hills north of Walker Canyon 487 Comment
  SD51696  Lupinus bicolor David Dunn 1941-3-29 932 Riverside 2.0 miles west of Corona. Comment
  SDSU18689  Lupinus bicolor C. Matt Guilliams, Jeannine Ross 2008-3-5 491 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. Collections near the Dudleya multicaulis restoration site. 388 Comment
  RSA593978  Lupinus bicolor subsp. microphyllus D. L. Banks, Elizabeth Hedge Banks 1996-5-2 0964 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, approximately 20 m N of the gate to the University of California-Emerson Oaks Reserve, at the junction with the road to the local golf course. 426 Comment
  JOTR34141  Lupinus concinnus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler, D. Shade 2011-4-26 3159 Riverside Joshua Tree National Park. NW tip of the Hexie Mountains; granite and basalt rocky slopes above bouldery draws feeding into Pleasant Valley (Stop 3) 1041 Comment
  SD128292  Lupinus concinnus R. Mitchel Beauchamp 1971-5-15 2415 Riverside Black Mountain campground, San Jacinto Mountains. 2207 Comment
  SEINET9312483  Lupinus concinnus Unknown 1976-5-4 Riverside Red Mountain Road. Comment
  UCR84638  Lupinus concinnus Scott D. White, S. Ogg 1994-4-21 1988 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  SEINET5558805  Lupinus excubitus H. S. Gentry 1954-1 14258 Riverside Dripping Springs, along Route 79. Comment
  UCR110961  Lupinus excubitus George K. Helmkamp 1998-6-27 4089 Riverside Santa Rosa Mtns., 3.3 miles south of Hwy 74 along Santa Rosa Mtn Rd. (= Santa Rosa Truck Trail, FS Rd. 7S02), in vicinity of an unnamed spring 1585 Comment
  POM125537  Lupinus excubitus var. austromontanus R. Weatherby 1949-6-6 663 Riverside Santa Rosa Mountain. 1982 Comment
  RSA503885  Lupinus excubitus var. hallii N. C. Cooper 1945-5-24 1639 Riverside Big Oaks Canyon, Banning. 1220 Comment
  RSA413655  Lupinus formosus var. formosus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  CLARK-A1528-2839  Lupinus hirsutissimus John C. Roos 1938-4-4 731 Riverside La Sierra Comment
  RSA561812  Lupinus hirsutissimus Steve D. Boyd 1992-4-14 6832 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area; Western flank of Bluewater Canyon along Bluewater Trail. 341 Comment
  RSA581746  Lupinus hirsutissimus M. Wall, L. Fuentes 1995-4-13 97 Riverside San Jacinto Mountains, along Hwy 243, 3.0 miles south of Interstate 10 out of Banning, road pull out north of sloping, broad Canyon, 1993 burn area. Comment
  SBBG98285  Lupinus hirsutissimus N. C. Cooper 1944-4-22 1114 Riverside Banning 701 Comment
  SD122396  Lupinus hirsutissimus Duffie Clemons, Jim Dice, Glenn Keator 1988-2-18 1943 Riverside Santa Margarita Ecological Preserve west of Temecula, alongside jeep trail leading into Santa Margarita River Canyon Comment
  UCR215129  Lupinus hirsutissimus Sarah C. Pasquini 2008-4-18 15 Riverside Peninsular Range; San Jacinto Mtns., c. 6.5 miles south of city of Banning, 200 m down Mt. Edna Road off hwy 243 1160 Comment
  UCR4134  Lupinus hirsutissimus Ronald M. Cope 1965-3-27 s.n. Riverside Upper Santa Ana River/San Bernardino Valley Region, Canyon on E side of Canyon Crest Drive, c. 2.5 mi. from fire prevention lab. 259 Comment
  UC1922189  Lupinus hyacinthinus Naomi Fraga, Ilene Anderson, Mike Hamilton, Michael Wall, Gary Wallace 2006-9-7 1738 Riverside Peninsular Ranges; San Jacinto Mountains region; Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  LA205135  Lupinus latifolius var. parishii Elizabeth McClintock; 1939-9-1 sn Riverside San Jacinto Mountains, Trail to Hidden Lake Comment
  RSA413761  Lupinus longifolius Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
  RSA87095  Lupinus pallidus F. W. Peirson 1922-4-9 s.n. Riverside Palm Canyon region, head of Coachella Valley Comment
  UCR143962  Lupinus sparsiflorus June Latting 1979-4-8 s.n. Riverside Box Springs Mountain 915 Comment
  UCR279535  Lupinus sparsiflorus A. C. Sanders, Jim Malusa 2017-3-25 43016 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  POM259684  Lupinus sparsiflorus subsp. sparsiflorus Philip A. Munz 1940-3-24 15714 Riverside 3 miles north of Cottonwood Springs, Eagle Mts. 915 Comment
  RSA414818  Lupinus sparsiflorus subsp. sparsiflorus H. de Forest, Jack Rempel 1934-4-14 19800 Riverside San Gorgonio Pass. 640 Comment
  RSA701655  Lupinus sparsiflorus var. arizonicus Keith E. Hoffmaster 1935-3-31 s.n. Riverside Palm Springs Comment
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Aug 27 2011
  POM9291  Lupinus succulentus Philip A. Munz, R. D. Harwood 1920-3-20 3371 Riverside 5 miles S of Corona 305 Comment
  RSA613470  Lupinus truncatus D. L. Banks, Victor W. Steinmann 1997-3-13 1451 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
  SFV9217  Lupinus truncatus J. H. Lane 1972-4-9 66 Riverside Pauba Valley in vicinity of Temecula. Highway 71, 1 road mile west of junction of Highway 395 and Highway 71. Slope of low hills to east of road. Comment
  RSA368891  Luzula comosa H. E. Hasse 1892-7-4 s.n. Riverside San Jacinto. Comment
  CAS-BOT-BC231427  Lycium andersonii C. L. Hitchcock 1966-3-16 24189 Riverside About 5 miles n.e. of Aguanga Comment
  RSA699027  Lycium andersonii J. R. Bruff 1928-4-3 184 Riverside 3 mi. E. of Desert Center. Comment
  UC26126  Lycium andersonii S. B. Parish 1896-4-13 4132 Riverside Palm Springs (Agua Caliente), desert base of San Jacinto Mt. San Jacinto Mt.; Palm Springs (Agua Caliente), base of San Jacinto Mt., Riverside Co. 152 Comment
  UCSB23131  Lycium andersonii McMinn, Howard 1937-3-5 Riverside About 4 miles north of highway from Mecca to Desert Center in Cottonwood Mts Comment
  POM69966  Lycium andersonii var. deserticola Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  UCR139380  Lycium brevipes I. M. Johnston 1917-4-4 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, Palm Canyon 427 Comment
  UCR269171  Lycium brevipes Duncan S. Bell, Evan Meyer 2014-4-2 6520 Riverside Sonoran (Colorado) Desert, Orocopia Mountains Wilderness Area, southern section of range; c. 1 air mile NW of Canyon Spring 422 Comment
  RSA654162  Machaeranthera canescens var. canescens A. C. Sanders, S. D. Boyd, Mitch Provance, J. Ross 1998-10-25 22282 Riverside San Jacinto Mtns.: Pine Meadow along Hwy 74 in Garner Valley (eastern), 1 mi. NW of Hwy 371 junction to Anza 1441 Comment
  CAS-BOT-BC154108  Machaeranthera tortifolia N. Aitkenhead 1977-2-3 s.n. Riverside Maniobra Valley N. of Orocopia Mnts. Comment
  CAS-BOT-BC73666  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 Rd. Winchester 7.5' Q 438 Comment
  POM37220  Malacothrix californica Marcus E. Jones 1903-5-1 s.n. Riverside Banning 701 Comment
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Mar 13 2011
  POM10289  Malacothrix clevelandii Charlotte M. Wilder 1905-5-14 582 Riverside Summit Jurupa Hills and extending north-west slope about 200 ft. 671 Comment
  RSA751910  Malacothrix clevelandii Scott D. White, Justin M. Wood 2009-5-22 12913 Riverside San Jacinto Mountains: Idyllwild area; Strawberry Fuelbreak between Strawberry Creek and road to sewage ponds. Comment
  UCR104960  Malacothrix clevelandii A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20629 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
  UCR133421  Malacothrix clevelandii Jeffrey Ross, T. Tennant, G. White 1998-5-21 MOR- 212 Riverside San Bernardino Mtns., Morongo Indian Reservation, Hathaway Canyon, c. 0.55 miles of the junction of the lower and upper canyons 1040 Comment
  POM362321  Malacothrix glabrata Ora M. Clark 1929-2-24 1516 Riverside Cabazon, Colorado Desert. Comment
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Mar 13 2011
  POM37223  Malacothrix glabrata Marcus E. Jones 1903-5-10 s.n. Riverside Palm Springs. 61 Comment
  UCR279505  Malacothrix glabrata A. C. Sanders, Jim Malusa 2017-3-27 43107 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, canyon 12 km NE (46 deg. ) of Bombay Beach, on both sides of the Imperial County line 305 Comment
  UCR279578  Malacothrix glabrata A. C. Sanders, Jim Malusa 2017-3-28 43155 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
  UCSB6648  Malacothrix glabrata Kamb, Peter 1948-4-11 Riverside Aqueduct Road 5 mi. east of Garnet, Coachella Valley 304 Comment
  SD244530  Malacothrix saxatilis var. tenuifolia Ed LaRue May 1989 Riverside Hills east of Beaumont, along Potrero Creek, I(c) mile east of old San Jacinto Nuevo Y Potrero land grant 701 Comment
  UC33266  Malacothrix saxatilis var. tenuifolia H. M. Hall June, 1901 2011 Riverside San Jacinto Mountains 609 Comment
  JOTR33747  Malacothrix stebbinsii La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2745 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Granitic bedrock slopes and outcrops (Stop 4) Comment
  UCR38238  Malva nicaeensis Steve Boyd 1980-4-23 s.n. Riverside Intersection of Jurupa Road and Galena Road, Glen Avon Comment
  CSUSB1014  Malva parviflora Susan Larisch 1963-5-8 Riverside City of Riverside; C.E.S. Field # 14. Comment
  UCR202247  Malvella leprosa Mike Misenhelter 2005-7-12 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, c. 3 miles E of Sun City, c. 2 mi. SW of Winchester, Hemet U. School Distr. proposed elementary school site, 14 acres on south side of Salt Creek and NE of the intersection of Leon and Patton Rds. 444 Comment
  JEPS42475  Marah macrocarpa Marjorie D. Clary 1932-3-20 1476 Riverside 10 mi ne Garnet (drains Moreno Valley); Colorado Desert, Conchilla Range, Mission Creek 457 Comment
  CAS-BOT-BC216182  Marina parryi Roxana S. Ferris; Rimo Bacigalupi 1958-3-19 13246 Riverside Highway U.S. 95, 11.3 mi. N of Blythe. In wash arising in Big Maria Mts. Comment
  RSA498352  Marina parryi Robert M. Perkins, H. de Forest 1937-3-15 378 Riverside Rice to Desert Center. 122 Comment
  RSA799876  Marina parryi Scott D. White, Robert Black 2011-2-25 13391 Riverside Sonoran Desert: Kaiser Road N of 10 freeway along long bend in road. 207 Comment
  SEINET2063255 Image available Marina parryi George Helmkamp 1995-3-16 Riverside Slopes of Coxcomb Mts. W of Rice Rd., 10.3 mi NE of Desert Center 198 Comment
  UCR237636  Marina parryi Duncan S. Bell, Amanda Turek 2010-4-10 791 Riverside Riverside Mountains, southern section of the mountain range, c. 1 air mi southwest of Riverside Mountain Peak 269 Comment
  VVC290  Marrubium vulgare P. J. MacKay 1975-4-12 s.n. Riverside Southern California, Rancho La Sierra, just south of Hwy 91 near Green River Dr. Exit 210 Comment
  IRVC14142  Marsilea vestita B. T. Gittins 1966-5-1 1259 Riverside 6 miles W of Murietta; roadside. Santa Ana Mountains Comment
  POM157888  Marsilea vestita P. A. Munz 1927-5-20 10800 Riverside Murrieta Hot Springs Comment
  RSA552749  Meconella denticulata Steve Boyd, C. Boyd, K. A. Boyd 1992-3-21 6735 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area, Tenaja Canyon. along trail from wilderness boundary downstream towards Fisherman's Camp. 366 Comment
  UCR57131  Meconella denticulata Jeri Hirshberg 1989-4-18 s.n. Riverside Santa Rosa Plateau, Santa Ana Mtns., south of town of Murrieta, Miller Canyon, north of Mesa de Burro 585 Comment
  CLARK-A1528-507  Medicago lupulina var. cupaniana D. H. Eslinger 1970-5-27 Riverside Riverside 335 Comment
  UCR139035  Medicago polymorpha D. L. Banks, V. W. Steinmann 1997-3-13 1437 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
  CSUSB1307  Medicago sativa C. M. Flanagan 1971-4-23 Riverside Southeast corner of the UCR campus garden project in the city of Riverside. Comment
  RSA335019  Medicago sativa Steve D. Boyd 1985-7-23 1007 Riverside De Luz Rd., 5.5 miles west of Rancho California. 396 Comment
  RSA653648  Melica californica A. C. Sanders, G. Helmkamp 1997-3-15 19916 Riverside Lake Skinner area: hill (1864) E of Skinner Lake at NW end of Tucalota Hills., (33 deg 35.4'N, 117 deg 01.4'W; T7S R1W W/2 of SE/4 S6). [UTM 10km cell: MH-9E, 1N. Skinner Reservoir] 549 Comment
  POM113305  Melica frutescens Marcus E. Jones 1882-4-25 s.n. Riverside San Jacinto. Comment
  SDSU13823  Melica imperfecta W. Miller, C. Mosse 1972-8-9 Riverside Comment
  UCR181626  Melica imperfecta Mitch Provance 2004-5-1 7605 Riverside Granitic Knolls of Riverside, Riverside, W side of Versity Hill (Coyote Hill), south side of the UCR campus 396 Comment
  UCR183337  Melica imperfecta Mitch Provance 2003-4-26 9883 B Riverside Santa Ana River Valley, northern extreme of the La Sierra Hills, on the N-facing slopes and ridges just south of Crestlawn Memorial Cemetery 427 Comment
  SEINET11678902  Melica torreyana Unknown 1936-1 12772 Riverside E of Banning Comment
  CLARK-A1528-509  Melilotus albus Fred B. Essig 1964-2-20 14 Riverside La Sierra 609 Comment
  UCR241495  Melilotus indicus Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 216 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  HSC85404  Mentzelia affinis Steve Boyd 1986-4-20 1722 Riverside Gavilan Hills: Santa Rosa Rd. just W of Piedras Rd. Comment
  SD215572  Mentzelia affinis Steve Boyd, Dave Bramlet 1991-5-13 6257 Riverside Domenigoni Hills, north side of Domenigoni Diamond Valleys, eastsoutheast of Winchester. 1800 Comment
  RSA526512  Mentzelia dispersa Steve Boyd, T. S. Ross 1990-5-11 4706 Riverside Vail Lake area, N flank and summit of Wild Horse Peak in Agua Tibia Mtns, Cleveland Nat. Forest. 610 Comment
  UCR193854  Mentzelia dispersa A. C. Sanders, Mitch Provance 2008-7-11 35767 Riverside Peninsular Range; San Jacinto Mtns., FS road 5S02 to Coldwater Creek below road to helipad, 1 mi. NE of Mountain Center, c. 1/2 mile NE of Keenwild Fire Station 1463 Comment
  RSA0031612  Mentzelia involucrata Jim Andre 2013-3-27 24817 Riverside Riverside Mountains; east side of Riverside Mountains, along Hwy 95, 13.2 mi. south of Vidal Jct. 126 Comment
  RSA239809  Mentzelia involucrata C. W. Tilforth 1973-4-29 774 Riverside 2 miles S of Bridge at base of Seven Level Hill, S of Palm Desert, Hwy 74 457 Comment
  RSA440407  Mentzelia involucrata M. B. Dunkle 1935-3-30 4429 Riverside Pinto Basin, Colorado Desert. 915 Comment
  RSA676039  Mentzelia involucrata Scott D. White 2001-4-11 8289 Riverside Sonoran Desert: Indio Hills foothills / Coachella Valley. Northern terminus f Rio Del Sol Road, about 2 miles north of Thousand Palms. 146 Comment
  RSA727865  Mentzelia involucrata Naomi S. Fraga, Lisa Rojas 2005-2-10 1358 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  RSA778207  Mentzelia involucrata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 801 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  UC872488  Mentzelia involucrata I. W. Clokey 1935-4-17 6762 Riverside Cottonwood Springs Comment
  UC872489  Mentzelia involucrata C. L. Hitchcock 1940-3-29 5855 Riverside ca 100 yards e Spring; Cottonwood Canyon Comment
  POM13079  Mentzelia involucrata var. megalantha R. Evans 1921-3-30 s.n. Riverside Painted Canyon, near Mecca. Comment
  RSA440445  Mentzelia jonesii Anstruther Davidson 1906-4-11 s.n. Riverside Palm Spring, riverside County Comment
  CAS-BOT-BC435295  Mesembryanthemum nodiflorum A. C. Sanders; K. C. Rose 1998-5-21 21853 Riverside Hemet: alkaline flats west of town, E of the canal, S of Hwy 74 (Florida) and ca. 1/4 mi. W of Warren Rd. 457 Comment
  CAS-BOT-BC348453  Micropus californicus var. californicus E. W. Lathrop 1965-5-9 5734 Riverside 6 miles W of Murrieta Comment
  RSA543933  Microseris douglasii subsp. douglasii Steve Boyd, David E. Bramlet 1991-5-13 6233 Riverside Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. N of Santa Fe RR tracks, W of San Diego aqueduct. Comment
  UCR112009A  Microseris douglasii subsp. platycarpha A. C. Sanders, T. B. Salvato 2000-5-25 23410 A Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  UCR217544  Microseris douglasii subsp. platycarpha Diane Menuz 2008-3-24 374 Riverside Perris-Hemet Basin, East of Briggs Rd,. c. 1 km south of Scott Rd. 432 Comment
  UCR250580  Microseris heterocarpa A. C. Sanders 2014-4-18 41022 Riverside Peninsular Range, Temescal Canyon, hills along De Palma Rd. between Indian Truck Trail and Horsethief Canyon roads, c. 100 m south of I-15 401 Comment
  RSA500094  Microseris lindleyi Steve Boyd, Lewis S. Ross, Laurel Arnseth 1989-4-2 3216 Riverside Vail Lake Area, W end of bench on S flank of Oak Mt. 518 Comment
  RSA543763  Microseris lindleyi Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6063 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
  UCR240652  Microseris lindleyi Tracy Tennant, Mitch Provance 1998-6-16 MOR- 402 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1052 Comment
  UCR54249  Microseris lindleyi David Charlton 1988-5-21 1938 Riverside San Jacinto Mtns., Thomas Mtn Rd, west of Garner Valley and south of Lake Hemet on Hwy 74 1829 Comment
  RSA0016888  Microseris lindleyi Robinson, Crocker 1916-4-3 s.n. Riverside Elsinore region. Comment
  UC943876  Mimulus H. E. McMinn, M. Van Rensselaer 1945-6-7 1892 Riverside Indian Truck Trail Santa Ana Mts. 853 Comment
  UC943893  Mimulus H. E. McMinn and M. Van Rensselaer 1945-6-7 1896 Riverside along Indian Truck Trail east side of Santa Ana Mts. 960 Comment
  RSA543181  Mimulus aurantiacus var. pubescens Steve Boyd, Tim S. Ross, Mike Hammitt 1991-5-2 6120 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  UCR84639  Mimulus aurantiacus var. pubescens Scott D. White, S. Ogg 1994-4-21 1987 Riverside San Bernardino Mtns, Millard Canyon, near stream crossing of Forest Service Road 2S05, c. 4 miles south of Bear Wallow Spring 917 Comment
  RSA554278  Mimulus aurantiacus var. puniceus Scott D. White 1992-2-25 92 -1 Riverside Santa Rosa Plateau, between Sandia and De Luz Creeks, ca. 1.5 (air) mi. W of Sandia Canyon; 7 miles SW of Murrieta. 305 Comment
  RSA559464  Mimulus aurantiacus var. puniceus Steve Boyd, Tim S. Ross 1992-5-5 7213 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 732 Comment
  UC917890  Mimulus aurantiacus var. puniceus Frank W. Gould 1944-4-5 2226 Riverside 17 mi e Temecula Comment
  UCR101554  Mimulus aurantiacus var. puniceus A. C. Sanders 1997-3-19 20055 Riverside Lake Skinner area, NE of Bachelor Mtn., small canyon below dry falls, north of dirt track off road from Rawson Cyn. 503 Comment
  UCR22113  Mimulus aurantiacus var. puniceus Steve Boyd 1980-4-8 116 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  RSA92725  Mimulus aurantiacus var. puniceus J. C. Roos 1952-5-14 5665 Riverside 2 mi. northwest of Perris. 503 Comment
  JEPS8160  Mimulus bigelovii var. bigelovii W. L. Jepson 1928-4-25 12596 Riverside Cottonwood Springs Eagle Mountains 731 Comment
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Oct 23 2011
  RSA420968  Mimulus bigelovii var. bigelovii N. C. Cooper 1949-4-8 3275 Riverside Shaver's Summit east of Indio. 610 Comment
  UCR51929  Mimulus bigelovii var. bigelovii Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2162 Riverside Sonoran (Colorado) Desert, Palen Pass at the N end of the Palen Mountains 500 Comment
  RSA160450  Mimulus bigelovii var. bigelovii John Olmsted 1958-3-30 95 Riverside at foot of first mountains north of southern entrance to Joshua Tree National Monument wth southern drainage toward the Salton Sea. Coloroaso desert Transitionzone. Comment
  UCR21993  Mimulus cardinalis Steve Boyd 1980-7-12 331 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  UCR90353  Mimulus clevelandii D. L. Banks, S. D. Boyd 1995-5-17 460 Riverside Agua Tibia Mountains, NW Palomar Mtns, Cleveland National Forest, Agua Tibia Wilderness Area; N face of Agua Tibia Mtn, east of the Dripping Springs Alcove area, west of the Dripping Springs Trail, along the W fork of upper Arroyo Seco. 659 Comment
  RSA450075  Mimulus floribundus J. C. Roos 1952-4-29 5595 Riverside Pigeon, Box Springs Mts. 457 Comment
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May 21 2011
  UCR43426  Mimulus johnstonii B. G. Pitzer 1986-5-24 234 Riverside San Bernardino Mtns, Whitewater Canyon, c. 5 mi north of Hwy I-10 on Whitewater Canyon Road. From N edge of hatchery to c. 1/4 mi north of hatchery boundary 732 Comment
  UC56262  Mimulus parishii F. Gilman 1902-1 17 Riverside Palm Springs Comment
  CLARK-A1045-159  Mimulus pilosus George K. Helmkamp 1978-6-1 Riverside Santa Ana Mountains vernal pool; Wildomar 7.5'Q Comment
  RSA612170  Mimulus pilosus Louis C. Wheeler 1932-7-9 931 Riverside Santa Ana River at Chino Creek. 152 Comment
  UCR183014  Mimulus pilosus Mitch Provance 2003-5-5 4423 B Riverside La Sierra Hills, Norco, NW side of the La Sierra Hills, east of the end of Rushmore Dr. 305 Comment
  UC27010  Mimulus tilingii H. M. Hall Jul. 1901 2472 Riverside Tauquitz Valley San Jacinto Mountains 2590 Comment
  RSA773172  Minuartia douglasii Duncan S. Bell, Valentin Arvizu 2010-5-24 1111 Riverside San Bernardino National Forest: Garner Valley, approximately 3.4 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1385 Comment
  UC8133  Minuartia douglasii Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  CLARK-A1703-67  Mirabilis bigelovii Donna Lee Hobbs 1962-3-18 3-18- 62 -26 Riverside Whitewater Canyon Comment
  RSA0105080  Mirabilis californica var. californica Daphne K. Christopher, Hannah Stevens 2003-4-6 101 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 540 Comment
  SD237523  Mirabilis laevis A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37468 Riverside Sonoran (Colorado) Desert: SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak. 203 Comment
  UCR177509  Mirabilis laevis A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32539 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 640 Comment
  CAS-BOT-BC434680  Mirabilis laevis var. crassifolia Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore Comment
  POM14174  Mirabilis laevis var. crassifolia P. A. Munz 1922-4-9 4754 Riverside Palm Springs. 76 Comment
  SD137714  Mirabilis laevis var. crassifolia Darin L. Banks, Steve Boyd 1995-5-3 274 Riverside Agua Tibia Wilderness Area; north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  SDSU12952  Mirabilis laevis var. crassifolia Jutta Buschbom 41 Riverside Comment
  SJSU4253  Mirabilis laevis var. crassifolia G. B. Youngberg 1956-3-29 216 Riverside by Lake Matthews, Arlington c. 8 mi E of Corona Comment
  RSA701029  Mirabilis laevis var. glutinosa Keith E. Hoffmaster 1935-3-31 s.n. Riverside Palm Springs Comment
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Aug 27 2011
  JOTR34042  Mirabilis laevis var. retrorsa La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2010-5-27 2943 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lost Horse Mountain; above trail to Lost Horse Mine on basalt outcrop with scree slopes Comment
  RSA314622  Mirabilis laevis var. retrorsa Robert F. Thorne, Fosberg, Sachet, Herbst 1983-4-23 55411 Riverside San Bernardino Mountains; Mouth of Whitewater canyon, east of Whitewater Post Office at south end of ridge, in sandy wash east of bridge, and on base of west-facing slope of ridge. 412 Comment
  CLARK-A1528-638  Mirabilis tenuiloba Charlotte Stocks 1962-6-27 Riverside Whitewater Canyon Comment
  SEINET6192022  Mohavea confertiflora R. L. Dressler 1949-3-19 388 Riverside Box Canyon, Orocopia Mountains Comment
  POM10087  Monardella australis subsp. australis C. Epling s.n. Riverside San Jacinto Mtns., Tahquitz Valley Comment
  UC130499  Monardella australis subsp. australis Mrs. C. M. Wilder 1909-7-10 3 Riverside above Walters; San Jacinto Mts., Tahquitz creek Comment
  UC729900  Monardella australis subsp. australis Carl B. Wolf 1932-8-5 3964 Riverside on trail from Tahquitz Valley to San Jacinto Peak (100 yds. beyond first real wet meadow on trail, head of fork of creek); San Jacinto Mts., Tahquitz Creek 2743 Comment
  UCR90350  Monardella lanceolata Scott D. White 1995-6-30 3433 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  LA82993  Monardella nana Harlan Lewis; 1938-7-10 sn Riverside San Jacinto Mountains, Idyllwild Comment
  SEINET3996319 Image available Monardella nana A. J. Breitung 1953-6-12 15551 Riverside Santa Rosa Mountains 1829 Comment
  RSA750296  Monardella nana subsp. arida Elizabeth McClintock 1941-7-12 105 Riverside San Jacinto Mts. A few hundred feet beyond the forks on the trail to Suicide Rock. Comment
  RSA750391  Monardella nana subsp. arida C. Epling, H. Lewis 1942-6-17 s.n. Riverside Vanderventer Flats, on Pines to Palms Highway, Santa Rosa Mountains. Comment
  RSA679187  Monardella nana subsp. arida Michael Denslow, M. W. Denslow Sr., Naomi S. Fraga 2003-7-16 1459 Riverside Santa Rosa Mountains, first peak west of Toro Peak. 2617 Comment
  POM46857  Monardella nana subsp. tenuiflora Mary F. Spencer 1924-6-25 2374 Riverside Burntlands, north side of San Jacinto Mtns. Comment
  RSA651653  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-15 114 Riverside San Jacinto Mts. On slope south of Strawberry Creek, and west of Domengonio Flats. Comment
  RSA750286  Monardella nana subsp. tenuiflora Elizabeth McClintock, D. Weiner 1941-7-11 94 Riverside Banning-Idyllwild road. 3/4 mile beyond Stone Creek. Comment
  SEINET3289847 Image available Monardella nana subsp. tenuiflora M. W. Denslow, M. W. Denslow Sr.; Naomi Fraga 2003-7-16 1459 Riverside Peninsular Ranges; San Jacinto Mountains region: Santa Rosa Mountains, first peak west of Toro Peak. 2616 Comment
  UC162752  Monardella nana subsp. tenuiflora H. M. Hall July 1897 Riverside San Jacinto Mountains Comment
  UC279710  Monardella nana subsp. tenuiflora Edmund C. Jaeger 1925-8-1 Riverside near Gregg's Ranch; San Jacinto Mts. 1280 Comment
  UCR221476  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-15 114 Riverside Peninsular Range; San Jacinto Mtns., on slope south of Strawberry Creek, and west of Domengonio [Domenigoni] Flats [vicinity of West Ridge, near Camp Emerson & USC Idyllwild campus] 1646 Comment
  OBI32735  Monardella robisonii K. Stolte 1979-9-4 Riverside Joshua Tree Natl Monument. Keys Ranch, Hidden Valley area. 100 m SW of the Natl Parks Service Trailer Comment
  SEINET945637  Monardella robisonii K. Stolte 1979-1 Riverside Joshua Tree National Monument. Zoo Rock. A small mound of rock on the south side of Monument Route 2, 3.8 miles NW of the entrance to Lost Horse Ranger Station. Collected on the western aspect of Zoo Rock. Comment
  CAS-BOT-BC349785  Monoptilon bellioides N. Aitkenhead 1977-2-3 2125 Riverside Moniobra Valley N. of Orocopia Mnts Comment
  POM363589  Monoptilon bellioides L. H. Jones 1910-3-17 s.n. Riverside Not plantiful, on gravelly banks and small washes at edge of mesas, Riverside Mountain, Colorado River. Comment
  UC1922023  Monoptilon bellioides Robert F. Thorne, M. Z. Thorne 1973-3-30 42677 Riverside MORONGO VALLEY CANYON: Near mouth at junction of roads to Morongo Valley and Desert Hot Springs, on rocky and sandy outwash of Mission Creek. Comment
  POM12714  Montia chamissoi P. A. Munz 1922-7-6 5994 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  UCR193361  Montia fontana A. C. Sanders, Tim Thomas 2008-6-20 35553 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  RSA676130  Muhlenbergia microsperma Scott D. White 2001-4-17 8330 Riverside SONORAN DESERT: Shaver's Valley. North of the I-10 Freeway, ca. 16 miles east of Indio jtn. I-10 / SR 111. Bajada, washes, and mtn. foothills near powerline access roads at unnamed freewayexit accessing pump station. 457 Comment
  SD132481  Muhlenbergia rigens Scott White 1990-10-23 Riverside 8.5 mi. (airline) ENE of Temecula; E of De Portola Rd. on El Dorado Rd., freshwater marsh 487 Comment
  SD152985  Muhlenbergia rigens Steve Boyd, D. Bramlet, T. Ross 1992-9-9 7689 Riverside 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 Cienaga 395 Comment
  UCR154459  Muilla maritima Jason L. Hlebakos 2005-5-30 809 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
  UCR35286  Muilla maritima L. B. Ziegler 1967-7-4 175 Riverside San Jacinto Mtns, S slope of Thomas Mountain 1555 Comment
  CAS-BOT-BC83352  Myosurus minimus A. C. Sanders 1993-4-5 13691 Riverside Western edge of Hemet, along south side of Devonshire Avenue, between Old Warren and Warren Roads. 460 Comment
  SD87753  Myriopteris covillei Frank W. Peirson 1921-3-22 2331 Riverside Murray CaA'on Comment
  SBBG6119  Nama demissa K. K. Muller 1952-4-6 562 Riverside S entrance to Joshua Tree Nat Monument Comment
  SEINET9122027  Nama demissa Katherine Muller 1952-1 562 Riverside At S entrance to Joshua Tree National Monument. Comment
  UC24130  Nama demissa var. demissa W. G. Wright 1889-1 1761 Riverside Colorado Desert Comment
  POM1087  Nassella lepida I. M. Johnston 1917-6-5 1301 Riverside Hills south of Arlington 366 Comment
  UCD48339  Navarretia atractyloides K. Esau 1935-6-15 Riverside Riverside County. Comment
  UCR162948  Navarretia fossalis Fred M. Roberts 1993-6-8 4884 Riverside San Jacinto River Valley; Perris, adjacent to San Jacinto River, N of Interstate 215, 0.51km N of Ellis Road and 2.4km west of San Jacinto Road 431 Comment
  RSA67049  Navarretia hamata Verne Grant, Alva Grant 1951-6-4 16012 Riverside 2 mi. s. of Temecula on Hwy 395 335 Comment
  UCR154543  Navarretia prostrata Jason L. Hlebakos 2005-5-18 705 Riverside Santa Rosa Plateau, Mesa de Burro in the research area 602 Comment
  UCR139244  Nemacladus longiflorus A. C. Sanders, Kate Kramer 2003-6-11 26883 Riverside San Jacinto Mtns., Garner Valley, southwest side of the valley, foot of Thomas Mtn., west of Hwy 74 on south side of Ramona Truck Trail 1402 Comment
  SEINET10461015  Nemacladus pinnatifidus Hall 1901-1 Hall s.n. Riverside Comment
  SD5030  Nemacladus rubescens Edmund C. Jaeger 1926-2-2 Riverside CaA'on Springs, Salt Creek Wash near Dos Palmos. Comment
  RSA0119997  Nemacladus sigmoideus Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9088 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
  CAS-BOT-BC224919  Nemophila menziesii A. C. Sanders 2011-4-6 38983 Riverside Peninsular Range; Santa Ana Mtns. Region: Temescal Canyon, along Temescal Canyon Rd. 1.5 mi. NE (73 deg. ) of Glen Ivy Hot Springs, 0-0.4 mi. NE of I-15 crossing 320 Comment
  RSA0128924  Nemophila menziesii Justin M. Wood 2010-3-19 1432 Riverside Beaumont: Near Smith Creek, E of Sun Lakes off S Highland Home Rd. 747 Comment
  RSA645309  Nemophila menziesii subsp. integrifolia Steve Hampson 2000-5-21 s.n. Riverside Peninsular Ranges; Santa Ana Mountains: Morgan Canyon, San Mateo Canyon Wilderness Area, along Morgan Trail about 1 mile from trailhead on Main Divide Road. Comment
  CSUSB121  Nemophila menziesii var. menziesii Randy Salstrom 1966-3-3 Riverside Bottom of canyon at east end of Blain Street, in the Box Springs Mountains in Riverside (city). 274 Comment
  RSA653431  Nicotiana attenuata Scott D. White 1999-5-24 7399 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-BC231679  Nicotiana glauca E. A. McGregor 1916-3-19 712 Riverside Colorado Desert. Indio, Sands Comment
  RSA777341  Nicotiana glauca Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4712 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
  RSA0037063  Nicotiana glauca Viki Cruz 1983-5-8 016 Riverside Near the stream one-quarter mile into Magnesha Canyon, Santa Rosa Mts. Comment
  JOTR30073  Nicotiana obtusifolia La Doux, Tasha, Bill Truesdell 2006-10-3 1716 Riverside Joshua Tree National Park. Pinto Basin: (Stop 1) east side of Hexie Mtns. at mouth of Pinkham Spring Canyon 668 Comment
  RSA278981  Nicotiana obtusifolia Barry A. Prigge, L. Martinez 1978-3-23 2431 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  SD148061  Nuttallanthus texanus Andy C. Sanders, M. Provance, T. B. Salvato 2001-4-6 23958 Riverside Perris-Aguanga Basin Region: Temecula, Long Canyon area west of Del Rey Rd., hills on both side of gas pipeline route 366 Comment
  RSA649936  Oenothera claviformis L. Fountain 1966-2-23 18 Riverside Colorado Desert [along Highway] 60, 1 mile south of Garnet. Comment
  RSA0124736  Oenothera primiveris Duncan S. Bell, LeRoy Gross 2016-3-9 8836 Riverside Orocopia Mountains; southern section of range; along the Bradshaw Trail, approximately 2 air miles southeast of Gucci Spring. 345 Comment
  UC194829  Olneya tesota S. B. Parish 1916-5-13 10857 Riverside Shafer's Well; Colorado Desert Comment
  CAS-BOT-BC478172  Oncosiphon piluliferum R. E. Jr. Riefner 2015-4-2 15 -107 Riverside Perris/Menifee area, Patricia Ln. at Barnett Rd., S of Ethanac Rd. and W of I-215 441 Comment
  UCR260868  Oncosiphon piluliferum A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-3 41562 Riverside Peninsular Range, Eastern Foot of the Santa Ana Mtns., lower Horsethief Canyon Wash just above DePalma Rd. crossing, 1/4 mile NW of Horsethief Canyon Rd. junction 375 Comment
  SEINET6044361  Opuntia chlorotica Unknown 1996-7-2 4268 Riverside San Jacinto & Santa Rosa Mnts. Pinyon Flat Area. North of Highway 74 ca 10 road miles east of jct. with Hwy 371. West facing slope. Comment
  SEINET224185  Opuntia littoralis var. martiniana Lyman Benson, Robert Benson 1955-12-6 15618 Riverside Hills 3 miles southeast of Redlands. Crystal/springs 488 Comment
  UCSB24788  Opuntia polyacantha var. erinacea Rieser, D. 1966-5-15 Riverside Pinyon Flats Campground on south side of road, 9.0 miles southeast from junction with road to Anza. Comment
  PASA1248  Orcuttia californica Frank W. Peirson 1922-5-19 Riverside Manfee Valley 426 Comment
  RSA702270  Orcuttia californica Gary D. Wallace, B. Gustafson, T. Thomas 1983-6-23 2080 Riverside Santa Rosa Plateau, Mesa de Burro. Comment
  UC218255  Orobanche californica subsp. feudgei Philip A. Munz 1922-6-26 5827 Riverside South slopes Santa Rosa Mountains. Comment
  UCSB6226  Orobanche californica subsp. feudgei Ralph, F. 1959-5-17 Riverside Pines to Palms Hwy. (74), about 6.7 miles west of Pinon Flats Campground, San Jacinto Mtns. 1371 Comment
  UC729742  Orobanche cooperi Carl B. Wolf 1932-4-29 3113 Riverside 4 mi s of Browns Well (Eastern Colorado Desert, Blythe-Rice Road); Eastern Colorado Desert, Blythe-Rice Road 213 Comment
  RSA0066540  Orobanche cooperi subsp. cooperi Meryl B. Dunkle 1933-3-4 3072 Riverside Mecca. Comment
  RSA0070480  Orobanche cooperi subsp. cooperi Edmund C. Jaeger 1921-3-20 1056 Riverside Salton, Colorado Desert. Comment
  CLARK-A1528-7774  Orthocarpus purpurascens John C. Roos 1940-4-20 896 Riverside Reche Canyon Comment
  CLARK-A1528-4778  Oryzopsis miliacea John C. Roos 1965-6-19 Riverside Santa Ana Mountains Comment
  CAS-BOT-BC355749  Osmadenia tenella Steve Boyd 1986-5-7 1826 Riverside Alberhill Mountain: Lower slopes of south flank, just E of claymine area Comment
  RSA741118  Osmorhiza brachypoda Scott D. White, Justin M. Wood 2008-6-18 12245 Riverside Meadow N/W of Keen Camp Summit, S/W of hwy 79. 1402 Comment
  SDSU12938  Oxalis pilosa Jutta Buschbom 1991-5-31 42 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
  RSA633877  Oxytheca caryophylloides Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38137 Riverside San Jacinto Mountains: San Bernardino National Forest. Woods above James Reserve. 1677 Comment
  UC123746  Oxytheca emarginata F. M. Reed 1908-7-14 2447 Riverside ridge s Tahquitz; San Jacinto Mountains 2438 Comment
  POM19662  Oxytheca trilobata Mary F. Spencer 1923-7-1 s.n. Riverside Tahquitz Ridge, Idyllwild, San Jacinto Mts. 2287 Comment
  UC718284  Paeonia californica Carl B. Wolf 1936-6-17 7955 Riverside Tenaja Road Santa Ana Mts. (1.4 mi off Ortega Highway, on road to La Cienaga) 609 Comment
  UCSB47251  Paeonia californica Hibbard, Doug 1977-3-3 Riverside .3 miles due north of El Cariso campground near Ortega Hwy. Comment
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Nov 27 2014
  CAS-BOT-BC327932  Palafoxia arida Walter Knight; Irja Knight 1968-11-17 2585 Riverside 2.8 mi N of junction of Bradshaw Stage Road and Imperial Gas Line Road. Access from Indio-Blythe Hwy via Red Cloud Road. Comment
  CDA14250  Palafoxia arida G. F. Hrusa, J. A. Hart 1993-4-4 10597 Riverside Cholla Garden, Joshua Tree N.M. Comment
  SD227758  Palafoxia arida Scott D. White, Pam Devries 1998-2-9 6084 Riverside Coachella Valley. La Quinta / Palm Desert Area: Whitewater River Channel at and near Miles Ave. crossing. 29 Comment
  UCR124639  Palafoxia arida B. C. Templeton, I. W. Clokey 1930-4-9 1006 Riverside Sonoran (Colorado) Desert, North of Palm Springs 400 Comment
  UCR20845  Palafoxia arida A. C. Sanders, Steve Boyd, J. Zabriskie 1980-4-17 1309 Riverside Sonoran (Colorado) Desert, Coachella Valley, 5 miles ESE of Thousand Palms, west side of Washington Street c. 1 mi north of Interstate Hwy 10 35 Comment
  POM41562  Palafoxia arida var. arida Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. 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
  UC485220  Palafoxia arida var. arida Joseph Grinnell 1910-3-17 Riverside Riverside Mt. Colorado River (sandy place at foot of mesa) Comment
  UCD134872  Palafoxia arida var. arida G. Helmkamp 1997-11-1 2516 Riverside Bermuda Dunes, 41st St. and Sparky (just E of Washington and S of I-10). 30 Comment
  UCR279547  Palafoxia arida var. arida A. C. Sanders, Jim Malusa 2017-3-27 43132 Riverside Sonoran (Colorado) Desert, NW edge of Chocolate Mountains, lower Salt Creek on the illegal OHV road from the Coachella Canal to the trestle, inside Navy Aerial Gunnery Range 44 Comment
  SEINET11810387  Palafoxia linearis J. F. Bright, Wyman, C. 1933-1 8068 Riverside near Palm Springs Comment
  CAS-BOT-BC350983  Panicum hirticaule Duncan S. Bell; John Anderson; Kim Clark; Debbie George; Jim George; A. F. Howland 2013-9-28 6018 Riverside Chuckwalla Valley; approx. 22.25 air miles W of Blythe, S side of Ford Dry Lake, about 0.5 air mile SE of Hopkins Well 107 Comment
  SD217341  Papaver californicum Steve Boyd, Tim Ross 1990-5-11 4629 Riverside Vail Lake area, base of Agua Tibia Mountain, east of Dripping Springs campground of Cleveland National Forest, South of Highway 79. 548 Comment
  SBBG53996  Parkinsonia florida R. S. Woglum 1937-4-24 297 A Riverside Palm Springs Comment
  RSA698050  Parosela schottii J. R. Bruff 1927-10-8 1 -L Riverside Thousand Palms. Comment
  CAS-BOT-BC258775  Paspalum urvillei S. B. Parish 1913-9-23 8620 Riverside Palm Springs R. R. Station, Colorado Desert Comment
  CDA8446  Pectis papposa G. D. Barbe, J. L. Johnson 1982-11-2 4021 Riverside 0.6 mile west of Coon Hollow campground on Bradshaw Trail. 0 Comment
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Apr 11 2013
  CAS-BOT-BC355869  Pectis papposa var. papposa Ira L. Wiggins 1934-9-4 8035 Riverside Colorado Desert 31 miles west of Blythe on Mecca-Blythe highway Comment
  RSA644211  Pectis papposa var. papposa V. W. Steinmann 1999-10-26 1417 Riverside foothills of the Chuckwalla Mountains, open desert ca. 2 km south of Desert Center. 325 Comment
  RSA782786  Pectis papposa var. papposa Stephanie Rockwood, Christi Gabriel 2011-10-5 065 Riverside Alligator ACEC. Desert Center Exit off I10. Follow route to Granite Mine. 399 Comment
  UC65019  Pectis papposa var. papposa E. E. Schellenger 1904-10-19 20 Riverside Chucawalla Bench Colorado Desert, Chucawalla Bench Comment
  UCD134919  Pectis papposa var. papposa F. D. Parker 1965-10-18 s.n. Riverside Interstate Highway 10, 18.5 miles west of Blythe. Comment
  POM368786  Pectocarya heterocarpa Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA777852  Pectocarya heterocarpa Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-24 842 Riverside Chuckwalla Mountains Wilderness, off Corn Spring Road. Large wash draining out of large canyon in Chuckwalla Mountains, draining through pavement plain bajadas 396 Comment
  UCR213394  Pectocarya heterocarpa A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37455 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4 mi. NW of Blythe Airport, c. 4 mi. ENE of McCoy Peak 195 Comment
  RSA0135569  Pectocarya heterocarpa G. Rink 2013-3-20 11893 Riverside About twelve miles west of Blythe, at the site of the proposed Quartzite solar power plant. 105 Comment
  RSA695834  Pectocarya linearis J. R. Bruff 1927-3-12 3 -L Riverside San Gorgonio River near Cabazon [note that label reads San Bernardino Co.] Comment
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Mar 13 2011
  SD130322  Pectocarya linearis Ed LaRue 1990-4-13 Riverside 0.5 miles northwest of Aguanga, north of Highway 79 and west of Highway371, ca. 1.5 air miles north of San Diego County Line 640 Comment
  UCR116972  Pectocarya linearis A. C. Sanders, T. B. Salvato 2001-5-3 24097 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UCR174049  Pectocarya linearis A. C. Sanders 2006-5-19 32421 Riverside Peninsular Range, Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  UCR18123  Pectocarya linearis A. C. Sanders 1978-3-26 0830 Riverside Perris-Aguanga Basin region, Woodcrest area, SE of Riverside. North of Mockingbird Creek and Harley John Rd., west of Washington St. 434 Comment
  SEINET7040158  Pectocarya linearis subsp. ferocula A. G. Vestal 1962-4-8 Riverside Ca. 1.3 miles north north east of Lake Elsinore (Elsinore).UTM Zone 11, 469934mE, 3729065mN. Comment
  RSA0106453  Pectocarya penicillata Daphne K. Christopher, Hannah Stevens 2003-4-3 79 Riverside UC Riverside, Motte Rimrock Reserve. Off Hairstreak Trail. 536 Comment
  UC1114562  Pectocarya penicillata Peter H. Raven 1958-3-15 11838 Riverside Box Canyon Comment
  UCR20742  Pectocarya penicillata A. C. Sanders, Steve Boyd 1980-5-2 1397 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  RSA0125986  Pectocarya peninsularis Duncan S. Bell 2016-3-4 8812 Riverside Orocopia Mountains; northeast section of the range, in the hills to the west of Red Cloud Wash. 487 Comment
  RSA77820  Pectocarya platycarpa F. W. Peirson 1928-4-24 7908 Riverside Cottonwood Spring, west end of Eagle Mtns. Comment
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Oct 9 2010
  UCR116630  Pectocarya platycarpa A. C. Sanders 2001-3-20 23844 Riverside Western Colorado Desert, Coachella Valley, Garnet, north side of 19th Ave., 1/2 mi. (airline) NW of intersection of I-10 and Indian Ave. 235 Comment
  RSA709881  Pectocarya recurvata Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4625 Riverside Along Palen Pass Road, near Packard Well, S end of Granite Mountains. 502 Comment
  UCR224251  Pectocarya recurvata A. C. Sanders 2011-3-23 38804 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
  POM90995  Pedicularis densiflora E. C. Jaeger 1922-12-22 s.n. Riverside Aguanga. Comment
  RSA686751  Pellaea andromedifolia Norman C. Cooper 1944-5-21 1303 Riverside San Jacinto Mountains, West side 915 Comment
  SEINET9628401 Image available Pellaea andromedifolia E. K. Balls, P. C. Everett 1957-11-13 22796 Riverside Snow Creek, n. base, San Jacinto Mts. Comment
  RSA686750  Pellaea andromedifolia var. andromedifolia Christopher Davidson 1977-5-25 5660 Riverside Mesa de Burro Santa Rosa Plateau area of Santa Ana Mountains. 701 Comment
  UCR163398  Pellaea mucronata O. F. Clarke 2002-3-15 s.n. Riverside San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  CLARK-A1656-740  Pennisetum setaceum 1981-3-14 Riverside Coachella Valley Comment
  RSA785456  Pennisetum villosum T. B. Salvato 2000-8-22 20 Riverside Riverside, Bascomb Drive at Don Goodwin Street 309 Comment
  CLARK-A1045-115  Penstemon antirrhinoides George K. Helmkamp 1977-3-20 Riverside Pinyon Pines area above west edge of Deep Canyon; Palm Desert 15'Q Comment
  JEPS11253  Penstemon centranthifolius C. V. Meyer June 1927 272 Riverside Saunder's Meadow San Jacinto Mts., Saunder's Meadow Comment
  RSA651708  Penstemon centranthifolius Diane M. Ramirez 1983-5-5 7 Riverside Mellor Ranch Road, 4 mi S of junction with CA Hwy 243, S of Banning. Comment
  RSA69368  Penstemon centranthifolius G. R. Campbell 1951-5-30 16141 Riverside just west of Cahuilla. 1067 Comment
  UCR173145  Penstemon centranthifolius Abby Sirulnik 2000-5-7 29 Riverside Peninsular Ranges; San Jacinto Mtns., along Mt. Edna Rd. off of Calif. Hwy 243, c. 5 mi. N of Poppet Flats 1159 Comment
  LA209529  Penstemon clevelandii Elizabeth Levien; 1949-5-22 sn Riverside Santa Rosa Mountains, Pines to Palms highway near Pinon Flats Comment
  POM229030  Penstemon clevelandii subsp. connatus Philip A. Munz 1937-5-29 15154 Riverside Deep Canyon, Santa Rosa Mountains. 1067 Comment
  SD73628  Penstemon clevelandii var. connatus Helen V. Witham 1970-4-29 823 Riverside 22 miles east of Lake Hemet, on Hwy 74. 1299 Comment
  UCR24496  Penstemon eatonii John C. Roos 1943-5-23 2676 Riverside S Mojave Desert, Little San Bernardino Mtns 1524 Comment
  JEPS13632  Penstemon labrosus Peter Kamb 1948-7-11 1193 Riverside Hall Canyon San Jacinto Mts., Hall Canyon 1645 Comment
  RSA6012  Penstemon labrosus Carl B. Wolf 1932-8-4 3929 Riverside Strawberry Valley, 1.5 miles froStrawberry Valley.m Idyllwild on road to Banning 1707 Comment
  RSA401811  Penstemon spectabilis Martha Hilend 1928-4-8 170 Riverside Lake Elsinore, about 3 miles west of lake. Comment
  UCR37460  Penstemon spectabilis Steve Boyd 1981-4-29 s.n. Riverside Gavilan Hills, Arroyo del Toro [Bull Canyon] Comment
  UCSB18235  Penstemon spectabilis Matchett, Will 1964-5-16 Riverside 4.7 miles south of Interstate Highway 10 on Banning-Idelwild Road, San Jacinto Mountains 1158 Comment
  VVC492  Penstemon spectabilis A. C. Sanders, J. Mac 1997-5-4 20676 Riverside San Jacinto Mountains, N side of the range, 0.2 mi. N of Twin Pines Ranch Road on the dirt road to Brown Creek and Cabazon. 1098 Comment
  RSA401806  Penstemon spectabilis var. spectabilis Robert Gustafson 1983-4-18 2498 Riverside Clinton Keith Rd. about 2.5 miles from its junction with Hwy 15, eastern slopes of the Santa Ana Mtns. 457 Comment
  RSA0097627  Penstemon spectabilis var. subviscosus Marc A. Baker, Cecile Shohet, Melissa Fowler 2015-4-17 18328 .1 Riverside South end of Banning Bench.2.4 km NW of central Banning, 51 km east of central Riverside. 912 Comment
  CAS-BOT-BC330345  Pentachaeta aurea F. W. Peirson 1922-5-19 3037 Riverside Road along San Jacinto River, San Jacinto Mts. 1143 Comment
  LA203845  Pentachaeta aurea W. B. Welch; 1925-5-5 sn Riverside San Jacinto Mountains, Idyllwild Comment
  RSA696982  Pentachaeta aurea Keith E. Hoffmaster 1937-6-6 s.n. Riverside San Jacinto Mountains. Comment
  RSA687390  Pentagramma triangularis Norman C. Cooper 1947-4-5 2031 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  RSA0070724  Pentagramma triangularis E. W. Lathrop 1968-5-22 6921 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest. 1220 Comment
  JOTR35352  Peritoma arborea var. angustata Andre, Jim 2012-4-11 20704 Riverside Joshua Tree National Park. N. end of Hexie Mountains, Hidden Tank Picnic Area, approx. 8 mi south of north entrance station, and 1.4 mi SW of paved road (Rte 11) 1076 Comment
  CAS-BOT-BC77525  Peritoma arborea var. arborea Munz; Street; Williams 1919-3-28 2461 Riverside San Gorgonio Pass between Whitewater & Cabazon Comment
  RSA781607  Perityle emoryi Duncan S. Bell 2011-12-30 3041 Riverside Arica Mountains: southern section of the mountain range within the Palen/McCoy Wilderness area; approximately 2 air miles southwest of Priests Well, or approximately 7 air miles southwest of the ghost town of Rice. 365 Comment
  UCR200298  Perityle emoryi Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11214 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
  UCR72177  Perityle emoryi Theo Glenn 1991-5-15 91- 41 Riverside Sonoran (Colorado) Desert, Little Maria Mountains, NW of Blythe 351 Comment
  SD225080  Persicaria lapathifolia Scott D. White, Steve Ogg 1994-10-17 2481 Riverside City of Temecula, Murrieta Ck. Channel 1000ft N of bridge at Rancho Calif. Ave. 299 Comment
  OBI12447  Petalonyx thurberi Lewis S. Rose 1961-11-24 61065 Riverside La Quinta 15 Comment
  RSA445158  Petalonyx thurberi A. Menke 1955-5-22 s.n. Riverside Palm Springs Station. Comment
  POM264161  Petunia parviflora J. C. Roos 1937-6-7 498 Riverside South of Sage. Comment
  RSA471971  Peucephyllum schottii Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA721892  Peucephyllum schottii J. Mark Porter, Orlando Mistretta 2003-6-5 13611 Riverside Chocolate Mountains. Chocolate Mountain Bombing and Gunnery Range. Unnamed canyon, S of Salt Creek, accessed via Siphon 21 of the Coachella Canal; fork running east, above the pour-off. 439 Comment
  RSA770291  Peucephyllum schottii Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4751 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 600 Comment
  UCR41424  Peucephyllum schottii A. C. Sanders 1985-12-22 5962 B Riverside Coachella Valley, foot of the Santa Rosa Mountains, W end of Ave. 74, 2.6 mi west of Polk Street. Southern edge of Martinez Canyon. 122 Comment
  POM8961  Phacelia ambigua P. A. Munz, R. D. Harwood 1920-4-4 3529 Riverside Pass south of Palm Springs. 152 Comment
  RSA600  Phacelia brachyloba J. T. Howell 1927-8-2 561 Riverside Near Strawberry Valley, Mt. San Jacinto. 1677 Comment
  POM14360  Phacelia campanularia subsp. vasiformis P. A. Munz, D. D. Keck 1922-4-9 4766 Riverside Shavers Well, near Mecca. 76 Comment
  CSUSB130  Phacelia cicutaria Bob Sullivan 1966-3-10 Riverside 100 yards east of railroad tracks on corner of Tamescal Street and Comtom Ave. -near city of Corona 259 Comment
  CAS-BOT-BC133964  Phacelia crenulata Mrs. Jos. Clement 1922-4-10 s.n. Riverside Mecca Comment
  RSA650558  Phacelia crenulata Viki Cruz 1983-5-8 9 Riverside Near the palm oasis one mile into Magnesha Canyon, Santa Rosa Mts. Comment
  UCR107225  Phacelia crenulata Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2187 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  UC1523544  Phacelia crenulata var. ambigua Robert F. Thorne 1963-3-29 32368 Riverside 5 miles E of Mecca, Mecca Hills Comment
  UCR249502  Phacelia crenulata var. ambigua T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7290 Riverside Sonoran (Colorado) Desert, south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road c. 1.4 km west of its junction with Augustine Pass Road 137 Comment
  RSA426213  Phacelia distans N. C. Cooper 1945-5-5 2250 Riverside San Gorgonio Mountains above Banning. 915 Comment
  RSA426249  Phacelia distans Martha Hilend 1928-3-11 83 Riverside Morongo Valley, Colorado Desert. Comment
  SDSU18721  Phacelia distans C. Matt Guilliams, Jeannine Ross 2008-3-12 524 Riverside El Sobrante Landfill preserve area, western Riverside County, east of Interstate 15 off Temescal Canyon Road. Ca. 5 kilometers east off freeway. Access through landfill entrance. Collections near the Dudleya multicaulis restoration site. 388 Comment
  UC672423  Phacelia distans Herbert L. Mason 1928-3-11 4239 Riverside Desert Flats near Indio; Colorado Desert Comment
  RSA718831  Phacelia distans Michael Honer, L. Hulse 2004-4-3 1920 Riverside Rockhouse Canyon, appx. 1/2 mi. N of intersection with Fargo Canyon. Peninsular Ranges, San Ysidro Mountains: W side of Otay Mtn; 1.5 km SSE of Savage Dam (Otay Lake); N of County Prison; near tributary to Otay River, N of O Neal Canyon. 610 Comment
  UC663064  Phacelia fremontii James E. Cole 1941-5-2 673 Riverside Lost Horse Valley Joshua Tree National Monument 1310 Comment
  UC666538  Phacelia fremontii Reid Moran 1941-5-4 842 Riverside e Quail Spring; Joshua Tree Nat. Mon. 1300 Comment
  RSA773591  Phacelia imbricata Duncan S. Bell, Joy England 2010-6-14 1303 Riverside San Bernardino National Forest: Garner Valley, just west of Highway 74 approximately 2.5 miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1367 Comment
  UC672723  Phacelia lemmonii Harlan Lewis 1942-6-17 1711 Riverside approx. 2 mi w Pinon Flats Comment
  SFV17400  Phacelia minor M. S. Valenzuela, P. Wilson 1998-6-2 66 Riverside Highway 74, dirt road near mile marker 54. Comment
  UC24494  Phacelia minor H. M. Hall June 1901 2280 Riverside vicinity of Strawberry Valley San Jacinto Mountains 1600 Comment
  UCR111551  Phacelia minor Mitch Provance, J. Ross 1999-4-1 1730 Riverside Jurupa Mountains, Johnson Canyon, 0.35 km south of peak 1768 457 Comment
  POM14110  Phacelia neglecta P. A. Munz, D. D. Keck 1922-4-9 4873 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
  UCR160975  Phacelia ramosissima Narca A. Moore-Craig 1984-4-5 s.n. Riverside San Jacinto Wildlife Area, c. 2 mi. north of Lakeview, c. 0.5 mi. east of Davis Rd. at headquarters 506 Comment
  UCR164294  Phacelia ramosissima S. J. Myers 2001-7-16 s.n. Riverside Peninsular Range; San Jacinto Mtns, Bautista Canyon 951 Comment
  UCR22110  Phacelia ramosissima Steve Boyd 1980-5-15 280 Riverside Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan plateau 625 Comment
  POM10401  Phacelia ramosissima var. latifolia Charlotte M. Wilder 1903-4-23 165 Riverside Wilder s canyon, Jurupa Hills, near Riverside. Comment
  SD107746  Phalaris aquatica C. W. Tilforth, B. Busenberg 1890-7-17 2022 Riverside open flat at large telephone signal reflector panel, south end of Thomas Mtn. Rd., south of Lake Hemet & west of Hiway 74 Comment
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Feb 4 2013
  CLARK-A1528-4798  Phalaris paradoxa John C. Roos 1943-4-3 2616 Riverside San Timoteo Canyon 457 Comment
  SD63337  Phlox austromontana Walter Bertsch 1957-6-29 950 Riverside Desert slope of Toro Peak, Santa Rosa Mountains 2438 Comment
  UCR21188  Phlox austromontana A. C. Sanders 1980-5-1 1381 Riverside San Jacinto Mountains, Garner Valley area, on a road cut in chaparral 3.4 mi NE of Kenworthy Ranger Station on the Morris Ranch Rd 1646 Comment
  UCR135813  Pholistoma auritum A. C. Sanders, Guy Bruyea 2004-4-2 27444 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
  LA89811  Phoradendron bolleanum subsp. densum Harlan Lewis; 1940-12-14 sn Riverside Santa Rosa Mountains, Pinon Flats Comment
  RSA601648  Phoradendron californicum Louis C. Wheeler 1956-2-25 7176 Riverside Deep Canyon, south of Palm Desert. Comment
  RSA420752  Phoradendron densum Gary D. Wallace 1964-4-26 s.n. Riverside Pinon Flats. Palms Hwy. 1220 Comment
  UCR22085  Phoradendron densum Steve Boyd 1980-5-3 184 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  SD232812  Phoradendron leucarpum subsp. tomentosum Scott D. White 1996-8-1 4444 Riverside Idyllwild Area: North of Strawberry Valley, between Bear Trap Cyn and Lily Creek. Comment
  HSC82761  Physalis crassifolia Christopher Davidson 1979-4-4 7676 Riverside Orocopia Mtns., lower end of Box Canyon on Box Canyon Rd., 4.4 mi. E of Mecca 213 Comment
  SD181326  Physalis crassifolia Scott D. White 1999-4-20 7273 Riverside Southern Foothills of the Big Maria Mts., northwest of Calif. Hwy. 95, wash, ca. 7 road miles north of Interstate 10 / Intake Blvd. jtn. in Blythe 89 Comment
  UCR89671  Physalis crassifolia George K. Helmkamp 1994-3-10 42- 23 Riverside Sonoran (Colorado) Desert, Indio Hills, canyon opening into Coachella Valley, 2 miles east of Thousand Palms on Ramon Road, and 1.3 miles north 122 Comment
  UCR182304  Physalis greenei Mitch Provance 2004-4-18 7601 Riverside Granitic Knolls of Riverside, Riverside, Versity Hill (Coyote Hill), south side of the UCR campus 418 Comment
  RSA0126964  Physalis philadelphica R. E. Riefner 2017-5-18 17 -260 Riverside City of Hemet, E. of Winchester, N of Simpson Road, E. of San Diego Aqueduct, W of active agricultural fields. 467 Comment
  UCR269855  Physaria tenella A. C. Sanders, Jim Malusa 2016-3-17 42359 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, along Gasline Road 2.85 miles south of Bradshaw Trail 701 Comment
  UCD98404  Phytolacca americana var. americana Don Domenigoni 1986-4-21 s.n. Riverside At the Young property, Hemet. Comment
  JEPS47919  Pinus jeffreyi W. L. Jepson 1903-8-9 2290 Riverside Strawberrry Valley San Jacinto Mt., Strawberry Valley 1676 Comment
  UCSB9212  Pinus jeffreyi Koran, Jr., John 1958-5-16 Riverside 5.2 miles east of Idyllwild on Idyllwild-Banning Hwy. 1584 Comment
  UCSB11940  Pinus lambertiana Creighton, B. 1961-5-6 Riverside San Jacinto Mountains, 18.8 miles south of Banning-Idyllwild road; in the San Bernardino National Forest 1584 Comment
  UC1134101  Pinus quadrifolia A. Lewis 1933-2-3 154 Riverside Terwilliger Valley San Jacinto Quad., San Bernardino National Forest, Terwillig 1158 Comment
  UC64437  Pinus quadrifolia H. M. Hall 1899-5-27 Riverside Nigger Jim Hill San Jacinto Mountains Comment
  CDA36023  Pistia stratiotes Dave Goodward 2010-10-6 s.n. Riverside Sonoran (Colorado) Desert; Thermal, 89635 Ave. 81, west of Hwy 86 and Harrison St. Comment
  UCR100162  Pityrogramma triangularis Scott D. White 1992-12-16 983 Riverside Vail Lake area, c. 9 air mi east of Aguanga (junction of Hwys 371 & 79) & 3 air mi north of Beauty Mtn Peak. 1372 Comment
  UCR12624  Pityrogramma triangularis K. H. Fisher 1968-5-14 3 Riverside Santa Ana Mtns., Santa Rosa Plateau, near De Luz & Saxman Grade Rd where De Luz Creek crosses road c. 8 mi SW of Saxman Grade stone marker 152 Comment
  RSA645324  Plagiobothrys acanthocarpus Steve Boyd, Ian Gillespie 2000-4-15 10301 Riverside Gavilan Hills region: South flank of Alberhill Mountian, just east of the heavily mined area., Near 34 deg 42' 43.5''N 117 deg 22' 39.0''W 463 Comment
  RSA709189  Plagiobothrys canescens A. C. Sanders, T. B. Salvato 2005-4-28 29769 Riverside Peninsular Ranges: Gavilan Hills; north of Santa Rosa Rd., 1 mi. SW of Ida Leona Mine. 625 Comment
  UCR225510  Plagiobothrys canescens A. C. Sanders 2011-3-29 38861 Riverside Peninsular Range; Perris-Aguanga Basin Region, hills between Sun City and Perris, low hilltop along powerline corridor c. 1/2 mile west of Goetz Rd., west of Alabaster Loop, above the San Jacinto River upstream of Railroad Canyon Lake 451 Comment
  UCR99154  Plagiobothrys collinus A. C. Sanders, G. Helmkamp 1997-3-15 19991 Riverside Peninsular Range, Lake Skinner, SE foot of Bachelor Mtn., just north of the lake 600 Comment
  RSA614194  Plagiobothrys collinus var. californicus A. C. Sanders 1997-3-1 19757 Riverside E side of Pigeon Pass Valley ca. 1/2 mile NW of Lawless Ranch, E of intersection of Hidden Springs Road and Pigeon Pass Road. 579 Comment
  RSA689516  Plagiobothrys collinus var. californicus Scott D. White, Michael Honer 2003-4-2 8902 Riverside Just west of I-15 Freeway and northeast of Lawson Dr. 305 Comment
  UCR241926  Plagiobothrys collinus var. californicus A. C. Sanders, John F. Green 2013-3-27 40684 Riverside Peninsular Range, Alberhill, dirt track NE of new section of Nichols Rd. south of Lake St. 433 Comment
  UCR99180  Plagiobothrys collinus var. gracilis R. Montijo 1991-4-18 91- 13 Riverside Peninsular Range, south of Lake Matthews, Ona Knoll Dr. c. 1 mi south of Cajalco Rd. 640 Comment
  UCD120849  Plagiobothrys jonesii Collector unknown 1923-3-26 280 Riverside Tahquitz Wash, nr. Palm Springs. Comment
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Mar 4 2013
  UCR126941  Plagiobothrys leptocladus A. C. Sanders, T. B. Salvato 2003-5-9 26583 Riverside San Jacinto Valley, west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  POM368893  Plagiobothrys nothofulvus Ora M. Clark 1929-3-2 1634 Riverside Near Elsinore. Comment
  UCR193289  Plagiobothrys tenellus A. C. Sanders, Tim Thomas 2008-6-20 35549 Riverside Peninsular Range; San Jacinto Mtns., May Valley near Fleming Ranch, north of Bonita Vista Rd. and east of Herkey Creek 1550 Comment
  HSC80287  Plantago lanceolata Steve Boyd 1985-7-23 1000 Riverside 5 mi. W of Rancho California at the junction of Rancho California Rd. & De Luz Rd. 427 Comment
  SDSU14095  Plantago lanceolata Jonathan S. Austin, Michael G. Simpson 2002-4-20 19 Riverside Near parking area off Tornado road adjacent to riparian area north of Santa Margarita river,growing on slight mound of soil about two feet high. Santa Margarita Ecological Reserve. 229 Comment
  JEPS24430  Plantago ovata Peter M. Ray 1949-3-6 1326 Riverside near 1000 Palms; Coachella Valley, Willis Palms Comment
  UC888395  Plantago ovata Carl B. Wolf 1932-4-27 Riverside 0.75 mi w Utopia (Mecca - Blythe Road); Colorado Desert 152 Comment
  RSA0120328  Plantago patagonica Duncan S. Bell, Thomas Stoughton 2016-4-14 9290 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
  RSA711031  Plantago patagonica A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16240 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert: San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village. 335 Comment
  UC1111008  Plantago patagonica Herbert L. Mason 1928-3-10 4175 Riverside Snow Creek Colorado Desert, Whitewater River Valley Comment
  CAS-BOT-BC93217  Platanus racemosa Herman Knoche 1919-6-1 594 Riverside Palm Springs. Comment
  UCR120911  Platanus racemosa A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24951 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 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
  UCR27198  Platystemon californicus Marlyce Myers 1980-4-20 s.n. Riverside Perris Basin, Motte Reserve, c. 2.5 mi. NW of Perris 520 Comment
  RSA670356  Pleuraphis rigida Bonnie C. Templeton 1930-4-9 1009 Riverside North of Palm Springs. Colorado Desert. 305 Comment
  RSA757727  Pleuraphis rigida LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4356 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
  RSA782134  Pleuraphis rigida Stephanie Rockwood, Christi Gabriel 2011-10-18 129 Riverside Ford Dry Lake Area, Pallen Dunes Road. I10 exit 217. Chuckwalla Valley. 96 Comment
  SBBG29418  Pleuraphis rigida D. Myrick 1968-3-4 1807 Riverside Palms to Pines Hwy out of Palm Desert Comment
  CAS-BOT-BC326645  Pleurocoronis pluriseta S. B. Parish 1916-5-13 10831 Riverside Cottonwood Springs, Colorado Desert Comment
  POM41778  Pleurocoronis pluriseta Marcus E. Jones 1906-4-26 s.n. Riverside Indio Comment
  POM4601  Pleurocoronis pluriseta H. M. Hall 1905-4-16 5795 Riverside Marshall Canyon, 11km W of Coachella, Colorado Desert 30 Comment
  RSA721882  Pleurocoronis pluriseta J. Mark Porter, Orlando Mistretta 2003-6-5 13625 Riverside Chocolate Mountains. Chocolate Mountain Bombing and Gunnery Range.Unnamed canyon, S of Salt Creek, accessed via Siphon 21 of the Coachella Canal; fork running southeast. 412 Comment
  SBBG87786  Pleurocoronis pluriseta A. C. Sanders, B. Pitzer 1986-3-3 6139 Riverside N foot of Chuckwalla Mtns, 2.75 air mi SE of Desert Center 365 Comment
  UC194828  Pleurocoronis pluriseta S. B. Parish 1916-5-18 10831 Riverside Cottonwood Springs Colorado Desert Comment
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Oct 9 2010
  UCR30078  Pleurocoronis pluriseta George K. Helmkamp 1983-4-5 483- 19 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  CAS-BOT-BC326542  Pluchea sericea Alice Eastwood 1913-4-30 3103 Riverside Palm Springs Comment
  LA206407  Poa nevadensis Frank W. Gould; 1943-4-18 2153 Riverside San Jacinto Mountains, 1 mi. W of Banning, foothills of mountains Comment
  CHSC102091  Poa secunda Scott D. White; Michael Honer 2003-4-25 9122 Riverside SAN BERNADINO MTNS.: Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm. West side of road, on alluvial fan adjacent steep east-facing mountain slope. 641 Comment
  RSA0119897  Poa secunda Duncan S. Bell, Thomas Stoughton 2016-4-12 9227 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 3.5 air miles northwest of Rabbit Peak. 967 Comment
  RSA326155  Poa secunda John F. Emmel 1981-5-25 770 Riverside San Jacinto Mts, Idyllwild, slope just below Middleridge Drive, S of USC Isomata Campus 1585 Comment
  RSA772017  Poa secunda Orlando Mistretta, Duncan Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4953 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
  SEINET260227 Image available Poa secunda M. Curto, L. Allen 1991-5-24 712 Riverside Santa Rosa Mts vic of Ribbonwood CA Hwy 74 ca 1.5km W of USFS Pinyon Flat CG 1300 Comment
  UC77794  Poa secunda subsp. juncifolia Frank W. Gould 1944-4-5 2235 Riverside 17 mi e Temecula (on Hwy 79) Comment
  UCD91749  Poa wheeleri Collector Unknown 1895-7-9 s.n. Riverside San Jacinto Mountains. 2590 Comment
  UCR270760  Polygala cornuta subsp. fishiae T. B. Salvato, Arlee M. Montalvo, Rari E. Marcs 2016-4-26 8366 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 424 Comment
  RSA674526  Polygonum arenastrum Scott D. White 2000-11-15 8149 Riverside Idyllwild area, 'Strawberry Fuelbreak' between 'Inspiration Pt.' and Strawberry Ck. 1402 Comment
  RSA316418  Polygonum lapathifolium Robert F. Thorne, Kay L. Wright, Richard K. Benjamin 1982-10-8 55394 Riverside San Bernardino Mountains: Whitewater Canyon, about 3.3 miles N of Whitewater Post Office 595 Comment
  RSA736735  Polygonum punctatum Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10689 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
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Mar 10 2011
  SBBG61494  Polygonum sawatchense R. Hoffmann 1929-9-6 Riverside San Jacinto Mtns 2438 Comment
  UCR7830  Polypodium californicum Dennis Vander Ven 1968-5-19 s.n. Riverside Peninsular Range, c. 7 mi west of Murrieta on Guava St., 40 yards before road crosses creek for first time from the east(concrete crossing). south side of road on cliff wall 274 Comment
  UCSB40899  Polypogon monspeliensis Roos, John 1939-5-13 Riverside La Sierra Comment
  RSA771034  Polypogon viridis Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald 2010-4-12 4541 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR277742  Polypogon viridis Mitch Provance 2012-10-15 1012- 02 Riverside Badlands of Western Riverside County, San Timoteo Creek, about 3.5 miles west of Beaumont, N side of Hwy. 60 1479 Comment
  UCR92085  Portulaca oleracea Scott D. White, S. Ogg 1994-10-17 2463 .1 Riverside Temecula Valley, Murrieta Creek at Winchester Road bridge (Banana Avenue) 317 Comment
  RSA784141  Potentilla gracilis var. elmeri J. D. Olmsted 1959-6-23 668 Riverside Saunder's Meadow - near Idyllwild. M. Fk. San Jacinto. 1646 Comment
  RSA0042162  Prosopis glandulosa var. torreyana Duncan S. Bell, Evan Meyer 2014-4-2 6525 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1 air mile northwest of Canyon Spring. 422 Comment
  UC63796  Prunella vulgaris var. lanceolata H. M. Hall 1897-6-17 652 Riverside vicinity Strawberry Valley (San Jacinto Mountains); , vicinity of Strawberry Valley 1615 Comment
  RSA0124030  Prunus fasciculata Duncan S. Bell, LeRoy Gross 2016-3-10 8889 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
  POM1825  Prunus fremontii I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. 305 Comment
  SBBG71041  Prunus fremontii Anstruther Davidson -Apr-1893 Riverside Palm Springs Comment
  RSA472310  Psathyrotes ramosissima A. M. Johnson 1933-4-28 2245 Riverside Indian Wells Highway along new mountain highway to Hemet, 2 to 3 miles up from Palm Springs Comment
  SBBG44957  Psathyrotes ramosissima E. Braunton 1940-4-3 2013 Riverside Berdoo Cyn, 20 mi E of Indio 304 Comment
  UC566626  Psathyrotes ramosissima Margaret Stason 1927-2-12 Riverside 1000 Palm Canyon Colorado Desert Comment
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1
  UC724348  Psathyrotes ramosissima Aven Nelson, Ruth A. Nelson 1939-3-29 3312 Riverside from Mecca to Hidden Springs Comment
  UC963832  Psathyrotes ramosissima Helen K. Sharsmith 1952-4-11 4063 Riverside 7 mi s Highway 60-70 (nw base of Chuckawalla Mountain); Colorado Desert, Chuckawalla Mountains 533 Comment
  UCR268583  Pseudognaphalium canescens Jim Andre 2012-6-15 30548 Riverside San Jacinto Mountains, west slopes of range along Poppet Flat Road, Poppet Creek canyon, 3.2 miles west of Hwy 243 1022 Comment
  UCR265597  Pseudognaphalium luteoalbum Jordan Zylstra 2014-3-18 14008 Riverside San Jacinto Mountains, Apple Canyon, west of Apple Canyon Road 1453 Comment
  UCR280607  Psilocarphus brevissimus var. brevissimus R. E. Riefner Jr. 2017-4-2 17- 145 Riverside city of Hemet, west Hemet, south of west Florida Ave. (SR74), southwest c. 0.35 mi from Lyn Ave. and California Ave. 482 Comment
  CAS-BOT-BC353576  Psorothamnus arborescens var. simplicifolius David Dreyer 1968-4-9 s.n. Riverside 3 miles north of Desert Hot Springs 60 Comment
  SEINET3407778 Image available Psorothamnus arborescens var. simplicifolius A. Stanley 1969-5-3 48 Riverside 2 miles from Morango Valley Rd. on Dillion Rd. Little San Bernardino Mountains 457 Comment
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Jun 12 2019
  CAS-BOT-BC353646  Psorothamnus emoryi Louis C. Wheeler 1931-11-26 392 Riverside 2 miles SE of Salton Bench Mark, Colorado Desert -67 Comment
  POM147641  Psorothamnus emoryi F. M. Reed 1927-3-20 5406 Riverside Salt Creek Wash. Comment
  UC128408  Psorothamnus emoryi Marcus E. Jones, A. M. 1903-5-8 Riverside Indio -7 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
  CAS-BOT-BC340926  Psorothamnus schottii T. B. Salvato; A. C. Sanders; Mitch Provance 2000-4-18 47 Riverside Coachella Valley: 2 mi NE of Mecca near mouth of Painted Canyon at foot of Mecca Hills, W edge of Coachella Canal 9 Comment
  JOTR16703  Psorothamnus schottii Vanderspek & Nolte 1964-4-17 s.n. Riverside Joshua Tree National Park. BERDOO CANYON Comment
  POM310142  Psorothamnus schottii Hulda Crooks 1946-3-2 259 Riverside E of Palm Springs 137 Comment
  RSA167563  Psorothamnus schottii Robert F. Thorne, R. Rutherford 1964-4-12 33655 Riverside 1 mile W of turnoff to Cottonwood Wells [Springs]. Larrea desert scrub along Hwy. 60-70. Comment
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Apr 25 2011
  RSA404244  Psorothamnus schottii Geo. Cantwell 1935-4-10 s.n. Riverside Dos Palmas Springs, Salton Sea. Comment
  RSA98806  Psorothamnus schottii Philip A. Munz 1926-1-31 9946 Riverside Dos Palmos [Palmas] Spring. Comment
  SDSU5216  Psorothamnus schottii D. F. Howe 1952-4-27 2190 Riverside 5 miles south of highway east of Mecca, along All-American Canal. Comment
  UCR158145  Psorothamnus schottii Lyman Benson 1949-3-28 13578 Riverside Sonoran (Colorado) Desert, Coachella Valley below Santa Rosa Mtns., east end of Pines to Palms Highway [Palm Desert] just above junction of Palm Springs-Indio Road 76 Comment
  UCSB9704  Psorothamnus schottii Krogen, Roger 1957-1 Riverside Along roadside of Hwy. 195, 10 mi. E of Mecca Comment
  RSA404269  Psorothamnus spinosus Christina Clark 1929-3-17 1957 Riverside Palm Canyon Comment
  SEINET4037230  Psorothamnus spinosus G. T. Manthey 1977-1 1642 Riverside 10 miles east of Mecca on road going toward Joshua Tree National Monument. Comment
  UCD34520  Psorothamnus spinosus Beecher Crampton 1985-5-8 9964 Riverside Riverside County, west of Blythe along hwy. 10. Comment
  SEINET12155968  Psorothamnus spinosus Unknown 1936-1 12795 Riverside Colorado Desert N of Palm Springs Comment
  RSA482019  Pteridium aquilinum var. pubescens Richard Noyes, L. Arnseth 1988-9-10 730 Riverside San Jacinto Mountains: South Ridge Trail, southwest of Tahquitz Peak. 2072 Comment
  RSA575882  Pteridium aquilinum var. pubescens Steve Boyd 1981-3-13 s.n. Riverside Gavilan Hills region, ''Blue Oak Canyon'' steep tributary to Dawson Canyon on the northern flank of Estelle Mountain. 487 Comment
  UCR280645  Pterocarya stenoptera A. C. Sanders 2017-5-15 43206 Riverside Riverside, eastern side of UCR campus, in canyon below the UCR Botanic Garden, adjacent to parking area 340 Comment
  RSA467857  Pterospora andromedea L. C. Wheeler 1931-10-3 234 Riverside Strawberry Valley, San Jacinto Mts. 1890 Comment
  RSA392939  Pterostegia drymarioides Robert Gustafson 1980-5-5 1562 Riverside Whitewater Canyon Road, 1.8 miles from the junction with Interstate 10. 610 Comment
  RSA495414  Pterostegia drymarioides Steve Boyd, Tim S. Ross, L. Arnseth 1989-3-12 2943 Riverside Vail Lake area, Temecula Creek Cyn., just below Vail Lake Dam. 442 Comment
  RSA516876  Pterostegia drymarioides Steve Boyd 1986-3-1 1358 Riverside Gavilan Hills, Gavilan Plateau: 1/4 mile south of Harford Springs County Park 640 Comment
  CAS-BOT-BC516760  Quercus Jeremiah George 2012-8-7 70812 -5 Riverside Beaumont, Western Knolls, north central slope of eastern half of bench between Hwy 60 and Oak Valley Pkwy, E of Potrero Blvd 747 Comment
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Jan 17 2018
  UC809668  Quercus Philip A. Munz 1946-10-21 11590 Riverside Live Oak Tank Joshua Tree National Monument 1219 Comment
  UCR273035  Quercus Mitch Provance 2012-1-25 17388 Riverside Badlands of Western Riverside County, San Timoteo Canyon, SW end along SCE powerline access roads between El Casco Substation and the Hwy. 60. 689 Comment
  UC5829  Quercus X acutidens Samuel B. Parish 1891-11-5 2260 Riverside near Temecula (McGee's Stone) Comment
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Mar 27 2011
  UCR193490  Quercus X morehus A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-25 35609 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.0 mile SW of Fleming Ranch, along dirt track 1555 Comment
  RSA39111  Quercus X munzii C. Epling 1945-1 s.n. Riverside Near Keyes Ranch, Little San Bernardino Mts. Comment
  CAS-BOT-BC61823  Quercus agrifolia Samuel B. Parish 1891-11-4 2253 Riverside Murrieta Comment
  RSA709080  Quercus agrifolia var. oxyadenia A. C. Sanders, R. E. Riefner 2005-8-12 31548 Riverside east of Vandeventer Flat along Hwy 74, 0.8 mile west of Santa Rosa Mtn. Rd. 1311 Comment
  RSA0028782  Quercus agrifolia var. oxyadenia R. E. Riefner Jr. 2005-8-7 5 -581 Riverside San Jacinto Mountains, San Bernardino National Forest, 2.3 mi W of Santa Rosa Mountain Rd. on SR 74 at Vandeventer Flat. 1430 Comment
  CAS-BOT-BC126763  Quercus berberidifolia A. C. Sanders; T. B. Salvato; Matthew Malle; Jonas Winbolt; Katie A. Kurtz 2010-4-2 37712 B Riverside Peninsular Range: Alberhill, south foot of the Gavilan Hills at Temescal Canyon, along dirt road north of Concordia Ranch Rd, and east of Black Powder Rd. 379 Comment
  UCR273005  Quercus berberidifolia Mitch Provance 2012-8-30 17431 Riverside San Bernardino Mountains, Banning Bench, along E side of Bluff St, overlooking the San Gorgonio River 1067 Comment
  UCR90742  Quercus berberidifolia Scott D. White 1995-4-5 2753 Riverside Perris Valley, Lakeview Mountains; SW of Juniper Flat Road 579 Comment
  CAS-BOT-BC45769  Quercus cornelius-mulleri B. Trowbridge 1979-4-17 6096 Riverside Hiden Valley, Joshua Tree National Monument 914 Comment
  JOTR36417  Quercus cornelius-mulleri La Doux, Tasha, K. Callahan, M. Harding, M. Levandowski 2013-5-9 3363 Riverside Joshua Tree National Park. Little San Bernardino Mtns; Stubbe Springs, near guzzler and spring on densely vegetated slope (STOP1) 1371 Comment
  RSA617438  Quercus cornelius-mulleri Scott D. White 1996-8-1 4457 Riverside Twin Pines Area: just N of Twin Pines Road, 0.5 air mile W of Twin Pines Ranch. 1098 Comment
  RSA648657  Quercus cornelius-mulleri R. E. Riefner Jr. 2000-6-10 20 -484 Riverside San Bernardino National Forest. Hwy. 74 near Pinyon Flats Campground 1220 Comment
  SD229175  Quercus cornelius-mulleri Dick Schwenkmeyer 2012-8-6 768 Riverside Garnet Queen Mine on Santa Rosa Mountain road, 4.1 miles southeast of the intersection of highway 74 and Santa Rosa Mountain Road. 1834 Comment
  UCD63677  Quercus cornelius-mulleri Daniel Sanchez-Mata; Salvador Rivas-Martinez 2008-6-6 s.n. Riverside Joshua Tree. Joshua Tree National Park. Ryan campground close to California Riding and Hiking Trail. 1430 Comment
  CAS-BOT-BC257626  Quercus dumosa P. S. Manos 1988-10-27 676 Riverside Gavilan Rd., in Wildlife Preserve 600 Comment
  CLARK-A1528-530  Quercus dumosa C. M. Flanagan 1973-4-26 OO 304 Riverside Morongo Indian Reservation 914 Comment
  POM310603  Quercus john-tuckeri Marcus E. Jones 1956-04 s.n. Riverside Joshua tree on road to Juniper Flats. 1463 Comment
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Mar 14 2014
  CAS-BOT-BC105324  Quercus kelloggii Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild Comment
  SBBG1334  Quercus kelloggii M. Van Rensselaer 1937-6-23 Riverside Idyllwild Inn Comment
  UCD47106  Quercus palmeri Rudolph Fischer 1965-10-8 4 Riverside East foothills of Thomas Mountain, Santa Rosa range, State Highway 74, ca. 10 miles south of Keen Camp, Riverside County, California. 1341 Comment
  CAS-BOT-BC104994  Quercus wislizeni Louis C. Wheeler 1931-10-3 s.n. Riverside Strawberry Valley, Mt. San Jacinto Comment
  UC219579  Quercus wislizeni P. A. Munz 1922-6-30 5907 Riverside Santa Rosa Santa Rosa Mts. 1981 Comment
  RSA85444  Quercus wislizeni var. frutescens J. C. Roos 1952-4-13 5518 Riverside Box Springs Mtns. 518 Comment
  SD144018  Rafinesquia californica A. C. Sanders, P. Mackay, T. Thomas, and O. Clarke 1997-5-4 20643 Riverside San Jacinto Mountains: N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of 3740. 1067 Comment
  SD45166  Rafinesquia neomexicana Helen K. Sharsmith 1952-4-10 4059 Riverside Joshua Tree National Monument, 5 miles northeast of Cottonwood Springs Smoke Tree Wash 854 Comment
  UCR214562  Rafinesquia neomexicana A. C. Sanders 2010-3-15 37410 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  UCR18915  Ranunculus hebecarpus John C. Roos 1950-5-6 4790 Riverside Santa Ana Mtns., Hagador Canyon 610 Comment
  SBBG128811  Ranunculus muricatus O. F. Clarke 2010-4-16 Riverside O.F.Clarke residence, 266 Frost Court, Riverside, E edge of UCR campus 351 Comment
  CSUSB568  Raphanus raphanistrum Penny Stead 1970-4-14 Riverside Found in vacant behind A. & I. dorm at University of California, Riverside. 274 Comment
  JOTR16836  Rhamnus ilicifolia Baker, James K. & Baker, Ilisa T. 1966-10-14 s.n. Riverside Joshua Tree National Park. BARKER DAM 1310 Comment
  SDSU10376  Rhamnus ilicifolia H. Wedberg 1962-4-20 901 Riverside At elevation 2000', 0.5 mile from Cranston Ranger Station on road to Mountain Center, Idyllwild Mtns. 610 Comment
  UCR270562  Rhamnus ilicifolia John F. Emmel 1998-5-2 1543 Riverside San Jacinto Mtns., SW foothills, Bautista Canyon, 0.4-0.5 road mile SE of national forest boundary 723 Comment
  SBBG59934  Rhododendron occidentale M. Lewis 1948-6-20 Riverside Dark Cyn 1981 Comment
  UCR21166  Rhus aromatica 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
  UCR265587  Rhus aromatica Angelique Herman, Keir Morse, Nick Regoli, Eric Lumba 2015-3-15 2015- 12 Riverside Santa Rosa/San Jacinto Mountains, Pinyon Flats Campground 1220 Comment
  UCR89664  Rhus aromatica Bern Schwenn 1994-4-5 s.n. Riverside Southern Mojave Desert, Little San Bernardino Mountains, Joshua Tree National Monument [now J.T. National Park], lower Johnny Lang Canyon, northeast of Quail Mountain 1468 Comment
  IRVC89  Rhus ovata D. Ibbetson 1965-4-3 s.n. Riverside Ortega Highway [74]. Santa Ana Mountains Comment
  RSA543190  Rhus ovata Steve Boyd, Timothy S. Ross, Mike Hammitt 1991-5-2 6110 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain 3 miles N Highway 79, 1 mile W of Highway 371, N of Aguanga. 600 Comment
  RSA650225  Rhus ovata James Carill 1949-3-26 s.n. Riverside 1/2 mi. So. Palm Springs. 91 Comment
  SD229050  Rhus ovata Dick Schwenkmeyer, Bethany Jenkins 2012-3-7 631 Riverside Mt. San Jacinto 1085 Comment
  UCD116941  Rhus ovata G. L. Webster; R. Hildreth 1966-12-11 7472 Riverside Aguanga Valley, hillsides above Aguanga. Comment
  UCR244389  Rhus trilobata Jim Andre 2012-4-16 20970 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
  UC1127367  Ribes amarum A. Lewis Mar 1934 351 Riverside Sugarloaf Peak Cleveland <National Forest>, Corona Quadrangle Comment
  UC729898  Ribes cereum var. cereum Carl B. Wolf 1932-8-5 3968 Riverside above small stream and meadows feeding Tahquitz Creek (on trail from Tahquitz Valley to San Jacinto Peak); San Jacinto Mts. 2804 Comment
  UCR243131  Ribes malvaceum Kate Kramer 2012-5-25 264 Riverside San Jacinto Mtns., along Highway 243, between Poppet Flats Road and Vista Grande Fire Station 1381 Comment
  POM20019  Ribes nevadense Mary F. Spencer 1923-6-12 2174 Riverside Idyllwild, San Jacinto Mountains. 1646 Comment
  UC1127543  Ribes roezlii R. St. John 1929-5-21 28 Riverside Keen Camp San Jacinto Quadrangle 1219 Comment
  HSC73100  Romneya coulteri Robert A. Schlising 1973-6-25 3105 Riverside SW of Corona, deadend road 2.1 mi. SW of junction with Hwy. 71 Comment
  SD186153  Rorippa nasturtium-aquaticum T. B. Salvato, Melissa Clemons 2005-6-23 1306 Riverside Temescal Valley; Walker Canyon, 1.5 mile due east of Alberhill, north of Highway I-15. 412 Comment
  UCR21990  Rorippa nasturtium-aquaticum Steve Boyd 1980-7-12 323 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  RSA500084  Rorippa palustris subsp. occidentalis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3228 Riverside Vail Lake area: Between Kolb Creek and Temecula Creek, forming peninsula at SW end of lake. Comment
  UCR156614  Rorippa sphaerocarpa T. B. Salvato, A. C. Sanders 2005-5-17 904 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
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Feb 18 2009
  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
  UCR121262  Rubia tinctoria O. F. Clarke 2001-7-3 s.n. Riverside San Bernardino Valley region, Riverside, UCR Botanical Garden 335 Comment
  CAS-BOT-BC158734  Rubus ursinus Alice Eastwood; John Thomas Howell 1937-4-24 3906 Riverside Coldwater Canyon, Santa Ana Mts. Comment
  RSA466039  Rumex acetosella Louis C. Wheeler 1931-10-3 186 Riverside Strawberry Valley, San Jacinto Mountains. 1585 Comment
  CAS-BOT-BC433324  Rumex crispus S. B. Parish 1913-9-20 8617 Riverside Mecca. Salton Sink 57 Comment
  RSA0046831  Rumex crispus Paul Shirokawa 1998-5-15 32 Riverside Cleveland National Forest: Trabuco Ranger District, 0.3 miles from Ortega Highway (State Highway 74) on North Main Divide Road. 807 Comment
  SD239867  Rumex hymenosepalus A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37695 Riverside Peninsular Range: foothills of Gavilan Hills: Temescal Canyon at Alberhill, c. 1/2 mile west of Lake St. on north side of I-15, near Temescal Canyon Road undercrossing, at north edge of Concordia Ranch Road (Alberhill 7.5'Q) 370 Comment
  RSA741213  Rumex salicifolius Scott D. White, Justin M. Wood 2008-5-15 11990 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  UC489199  Sagina saginoides C. V. Meyer 1928-7-26 541 Riverside San Jacinto Mt., Deer Springs 2743 Comment
  CHSC778  Salazaria mexicana M. Anthony 1954-4-15 Riverside Near Joshua Tree Monument. Comment
  UCR17313  Salazaria mexicana N. R. Zabriskie, W. W. Zabriskie 1972-3-30 504 Riverside San Jacinto Mtns, below Pinyon Crest in Chapman's Rancheros area toward Dos Palmas Spring, NW of Hwy 74. Site 11. 1098 Comment
  UCR85274  Salazaria mexicana Bern Schwenn 1994-4-17 s.n. Riverside Southern Mojave Desert, Joshua Tree National Monument, north side of Hexie Mtns, near Hidden [and Stirrup] Tanks 1067 Comment
  CAS-BOT-BC103893  Salix exigua Scott D. White 1996-4-14 3927 Riverside E of Hemet: San Jacinto River Wash near Valle Vista, N of Hwy. 74, ca. 1.7 mi W of USFS Cranston Fire Station. 550 Comment
  RSA0119965  Salix exigua Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-24 9074 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Martinez Canyon, approximately 5.25 air miles southeast of the summit of Martinez Mountain. 621 Comment
  RSA0010965  Salix exigua var. exigua Lyman D. Benson 1949-3-28 13564 Riverside Santa Rosa Mountains. Pines to Palms Highway from Palm Springs to Hemet. 732 Comment
  POM184883  Salix gooddingii Carl. W. Sharsmith 1932-3-20 14 Riverside Foot of east slope of Santa Rosa Mts., in Diablo Canyon, 3 m. above its mouth, near Clary's Coral Reef Ranch, Colorado Desert. Comment
  SD185305  Salix gooddingii Andy C. Sanders 2005-5-4 29837 Riverside Gavilan Hills near Riverside, ca 1 km east and southeast of Gavilan Peak 625 Comment
  SDSU12997  Salix gooddingii Michael G. Simpson 1999-10-27 2027 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  SDSU12975  Salix lasiolepis Michael G. Simpson 1999-10-27 2042 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  UCR232060  Salix lasiolepis John F. Green 2008-4-23 07- 07 Riverside Peninsular Range, hills south of Perris, powerline route above the San Jacinto River, east of Lantana Dr., south of Ethanac Rd. 439 Comment
  UCR13438  Salix lucida subsp. lasiandra Mike McCloskey 1973-5-10 s.n. Riverside Riverside, Santa Ana River bed a few hundred yards east of Union Pacific RR crossing 229 Comment
  RSA500103  Salsola australis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-10 3667 Riverside Vail Lake area, Temecula Creek canyon below the dam. 459 Comment
  RSA0112082  Salsola tragus Duncan S. Bell 2010-10-23 1982 Riverside Arica Mountains; northwest section of range; collecting in the vicinity of the California Aqueduct. 282 Comment
  UCR60260  Salsola tragus Steve Boyd, T. S. Ross, L. Arnseth 1989-6-10 3667 Riverside Vail Lake area, Temecula Creek Canyon below the dam 459 Comment
  UCR106417  Saltugilia australis George K. Helmkamp, A. C. Sanders 1997-3-15 1500 Riverside Skinner Lake, Grassland at base of Bachelor Mtn. and adjoining chapararal. 488 Comment
  SD229200  Salvia apiana Dick Schwenkmeyer, Bethany Jenkins 2012-3-7 632 Riverside Mt. San Jacinto 1085 Comment
  UC472937  Salvia apiana Mary Fiske Spencer 1914-3-1 Riverside Palm Springs; Colorado Desert Comment
  UCR133363  Salvia apiana Tracy Tennant, J. S. Ross 1998-4-30 MOR- 75 Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, unnamed canyon running W to E between the southern portions of Hathaway and Potrero Canyons, c. 1.5 miles ENE of Banning Peak (VABM 3440) 854 Comment
  UC1537559  Salvia carduacea Gordon H. True Jr. 1935-3-1 63 Riverside Mockingbird Canyon 457 Comment
  RSA180506  Salvia columbariae E. W. Lathrop 1960-5-27 5226 Riverside 6 miles west of Murrieta. Comment
  UCR213449  Salvia columbariae A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37817 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, under powerlines near dirt extension of Lake St., 1.1 mi. NW (356 deg. ) of intersection of I-15 and Lake St. 549 Comment
  UCSB5783  Salvia columbariae Cline, C. 1960-5-15 Riverside 0.2 miles from Hwy. 74; on road to Anza 1219 Comment
  UC883902  Salvia eremostachya B. D. Stark 1933-5-13 Riverside 8 mi up Palms to Pines Highway; San Jacinto Mts. 1219 Comment
  OBI13539  Salvia mellifera Tracey & Viola Call, Viola Call 1962-4-13 2124 Riverside tin Mine Cyn near Corona 351 Comment
  POM50386  Salvia mellifera W. W. Eggleston 1924-3-10 19538 Riverside San Jacinto Station, Cleveland Forest 600 Comment
  RSA434135  Salvia mellifera N. C. Cooper 1944-5-6 1213 Riverside Banning. 701 Comment
  UC883956  Salvia mellifera I. W. Clokey and B. C. Templeton 1930-4-9 4715 Riverside Moreno Grade 700 Comment
  CAS-BOT-BC224852  Salvia pachyphylla H. M. Hall 1901-6-1 2160 Riverside San Jacinto Mountains. Eastern base, along the borders of the Colorado Desert 1402 Comment
  RSA78313  Salvia pachyphylla subsp. pachyphylla P. A. Munz, B. K. Balls 1952-8-21 17981 Riverside Road, Vandeventer Flat to Santa Rosa Peak. 2073 Comment
  SD67623  Salvia pachyphylla subsp. pachyphylla Victor Duran 1933-7-1 3490 Riverside Santa Rosa Mts. near Vandeventer Flat 1676 Comment
  CAS-BOT-BC233340  Salvia vaseyi E. K. Balls 1959-6-25 23860 Riverside Along road to 29 Palms, 7.5 mi. N. of jct. with U.S. Hwys. 60/70/99 381 Comment
  JOTR16733  Salvia vaseyi Vanderspek & Nolte 1964-4-17 s.n. Riverside Joshua Tree National Park. Comment
  RSA11594  Salvia vaseyi C. Epling, Wm. Robinson 1933-6-24 s.n. Riverside Little San Bernardino Mountains: Near Morongo Pass Comment
  RSA748608  Salvia vaseyi Scott D. White, Justin M. Wood 2009-4-28 12606 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  CLARK-A1528-2411  Sambucus caerulea John C. Roos, Lucille Roos 1951-10-24 5341 Riverside Pedley 243 Comment
  RSA477537  Sambucus caerulea N. C. Cooper 1949-6-24 4312 Riverside West of Pinon Flats, San Jacinto Mountains. 1524 Comment
  CSUSB697  Sambucus mexicana Leland R. Dykes 1962-4-22 40 Riverside Along state highway 71, 7 miles south of Corona Comment
  UC455863  Sambucus mexicana I. J. Condit 1910-6-24 Riverside along lower slope by San Jac. River; San Jacinto Mts. Comment
  UCR101320  Sambucus mexicana A. C. Sanders, Tracy Tennant, Jeff Ross 1998-8-20 22220 Riverside San Bernardino Mtns., Morongo Indian Reservation, Middle Branch of Millard Canyon 1341 Comment
  UCR16577  Sanicula arguta Sally Crum 1966-3-20 s.n. Riverside Santa Ana Mtns., about 6 mi. west on Tenaja Rd. from Washington Ave. in Murrieta 1315 Comment
  POM128365  Sanicula crassicaulis Thos Craig 1927-4-23 204 Riverside Glen Ivy. Comment
  CLARK-A1528-1455  Sanicula tuberosa John C. Roos 1937-3-6 1304 Riverside Reche Canyon Comment
  UC809711  Sarcostemma hirtellum Philip A. Munz 1949-4-12 13041 Riverside near Iron Chief Mine Mohave Desert, Eagle Mts., Iron Chief Mine 762 Comment
  UCR180386  Sarcostemma hirtellum Scott D. White, Andrea Warniment (Edwards) 2006-3-29 11276 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway / McNaughton Parkway interchage, north of the I-10 Freeway 152 Comment
  RSA512172  Schedonorus arundinaceus Ed LaRue 1989-4-21 s.n. Riverside Moreno Valley, ca. 1 mi S of Hwy 60 on Nason St. Adjacent to W side of Nason, S of Dracaea Ave. Comment
  RSA444802  Schedonorus arundinaceus J. C. Roos 1950-4-15 4743 Riverside West end of Fairmount Park Lake Comment
  UCR228927  Schismus barbatus A. C. Sanders 2011-4-6 39008 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
  UCSB9691  Schismus barbatus Van Leeuwen, Henry 1957-4-13 Riverside Whitewater Canyon, 3 miles from U.S. 60 Comment
  UCR241955  Schoenoplectus acutus A. C. Sanders, Timothy W. Chumley 2013-3-28 40698 Riverside Peninsular Range, Temescal Canyon Rd. SE of Pacific Clay Products plant/Bernard St., c. 1 mile north of Lake St., beside old RR berm 376 Comment
  UCR59815  Schoenoplectus californicus Jeri Hirshberg 1989-7-18 s.n. Riverside Vicinity of Lake Skinner: drainage east of the reservoir. Comment
  SEINET10506556  Scirpus chilensis David B. Dunn 1946-3-17 Dunn 2099 Riverside At the springs at pushawalla (palms) canyon. Indio hills. Alkaline Comment
  POM49847  Scirpus microcarpus Phillip A. Munz, I. M. Johnston 1924-7-29 8885 Riverside Lone Oak Ranch, Banning-Idyllwild Road. 1037 Comment
  RSA87  Scirpus microcarpus J. T. Howell 1928-7-7 1031 Riverside Near Glen Ivy. Alt. 1500 ft. 457 Comment
  SBBG80993  Scirpus microcarpus D. L. Ill 1985-5-12 39 Riverside Harford Springs, 1.6 mi S of Cajalco Rd on Gavilan Rd, right side of rd along Spring, Gavilan Hills 609 Comment
  UCR124658  Scrophularia californica B. C. Templeton, C. B. & I. W. Clokey 1930-4-15 1480 Riverside Gavilan Hills, north of Gavilan Peak, west of Perris 549 Comment
  UCR195119  Scutellaria bolanderi subsp. austromontana A. C. Sanders, Tim Thomas 2008-8-1 35969 Riverside Peninsular Range; San Jacinto Mtns., lower Coldwater Creek near Mountain Center, at stream crossing of trail SSE of Keenwild Fire Station 1402 Comment
  UCR135849  Scutellaria tuberosa A. C. Sanders 2004-4-20 27521 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
  POM14971  Selaginella bigelovii Mary F. Spencer 1921-5-28 1697 Riverside San Jacinto 609 Comment
  RSA683764  Selaginella bigelovii Mary V. Hood 1945-3-27 s.n. Riverside Verdugo Ranch near Aguanga, Riverside -San Diego Co line. 610 Comment
  UCD135974  Selaginella bigelovii Lewis S. Rose 1966-12-14 66107 Riverside Chino Canyon, 3 mi. W. of Palm Springs Desert. 670 Comment
  CAS-BOT-BC62092  Selaginella eremophila W. R. Dudley 1903-12-25 s.n. Riverside Tahquitz near Palm Springs Comment
  SDSU1921  Selaginella watsonii Clinton S. Kimball, Augustus B. Kimball and Rennselaer J. Smith 1908-6-28 274 Riverside Summit of San Jacinto Mt. Comment
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Oct 13 2011
  CLARK-A1528-2083  Senecio douglasii var. monoensis John C. Roos 1947-11-1 3757 Riverside Eagle Mountains Comment
  CAS-BOT-BC323971  Senecio flaccidus var. douglasii Annie M. Alexander; Louise Kellogg 1941-5-9 2142 Riverside Cottonwood Spring, Eagle Mountains. 883 Comment
  CAS-BOT-BC323991  Senecio flaccidus var. douglasii C. B. Wolf 1931-10-14 2461 Riverside Roadside at Cabezon, San Gorgonio Pass.. 518 Comment
  CAS-BOT-BC327427  Senecio flaccidus var. douglasii J. W. Toumey 1894-9-27 s.n. Riverside Banning Comment
  CDA8634  Senecio flaccidus var. douglasii T. C. Fuller 1958-9-23 2199 Riverside R. 79, 2 miles west of Aguanga. 0 Comment
  RSA305658  Senecio flaccidus var. douglasii C. W. Tilforth, Walter Wisura 1979-10-11 1921 Riverside Thomas Mtn. Rd., 10.4 mi. from north jct. with Hiway 74, south of Lake Hemet, Garner Valley. Comment
  UCR265848  Senecio vulgaris Mitch Provance 2013-4-8 413- 04 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  UCR272682  Senegalia greggii Cheryl Sevilla, Sarah J. De Groot 2015-5-6 80 Riverside Sonoran (Colorado) Desert, Coachella Valley, north of the Santa Rosa Mtns., south of La Quinta, 2.1 air miles WSW of Lake Cahuilla 210 Comment
  CAS-BOT-BC502088  Senna armata A. C. Sanders; Jim Malusa 2015-9-10 41855 Riverside Sonoran (Colorado) Desert: Salt Creek Canyon, along Summit Rd c. 1.5 mi above mouth of Red Canyon, edge of Chocolate Mtns Aerial Gunnery Range 480 Comment
  UC2013408  Sequoiadendron giganteum Rudolf Schmid and Mena J. Schmid 2009-5-1 2009 -1 Riverside NW San Jacinto Mountains NE of Highway 243 ca. 16 Highway km NW of Idyllwild, in the S unit of the San Bernardino National Forest, on SW, flank of Black Mountain (summit). Just left (as ascending) of Black Mountain Trail on slope by large trunk lying across trail, at the head of Indian Creek in drainage, uppermost Hall Canyon. Comment
  UCR86197  Setaria adhaerens A. C. Sanders 1995-5-23 17121 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
  UCR176676  Setaria parviflora G. S. Nuessly 1980-10-14 s.n. Riverside Riverside: U.C. Riverside campus, above Picnic Hill 351 Comment
  RSA500536  Silene laciniata subsp. major Steve Boyd, Timothy S. Ross, Laurel Arnseth 1989-6-4 3624 Riverside Vail Lake area, just S of Jtn Hwy 79 and road to Vail Lake Marina, Butterfield Valley. 457 Comment
  UC1294019  Silene laciniata subsp. major E. K. Balls 1958-6-27 23295 Riverside from jct with Main Divide 3.1 mi nw along Indian Trunk Trail; Santa Ana Mts., along Indian Trunk Trail fr jct w/Main Divid 914 Comment
  UCD99022  Silene parishii Reid Moran 1968-8-3 15369 Riverside north slope 1 mile west of summit, Santa Rosa Mountain. 2150 Comment
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Apr 27 2012
  HSC99156  Simmondsia chinensis Paul J. CaraDonna 2009-3-17 127 Riverside Cotton Wood Creek Campground area, Joshua Tree National Park. Comment
  LA103833  Simmondsia chinensis B. Pitzer; 1986-3-18 BG- 63 Riverside UCR Botanic Garden, cultivated in grid cell # D-7 396 Comment
  RSA0124803  Simmondsia chinensis Duncan S. Bell, LeRoy Gross 2016-3-31 9198 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 591 Comment
  SDSU11069  Simmondsia chinensis A. H. Gallup 1949-3-28 354 Riverside Palms to Pines Hwy. Above Desert Center. San Jacinto Mts. 762 Comment
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Apr 5 2011
  UC519862  Simmondsia chinensis N. Dunn and A. M. Martin Mar 26 1932-Mar 27 1932 Riverside Cottonwood Spring Comment
  UC774611  Simmondsia chinensis P. C. Everett 1939-7-7 9524 Riverside on road to Hemet mi n Temecula-Aguanga Rd. 762 Comment
  RSA586302  Sisymbrium altissimum D. L. Banks, S. D. Boyd 1995-5-3 213 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA594760  Sisymbrium altissimum D. L. Banks, Dylan Hannon 1996-5-3 1002 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 500 Comment
  RSA696356  Sisymbrium altissimum Keith E. Hoffmaster 1937-6-6 s.n. Riverside San Jacinto Mountains. Comment
  POM250527  Sisymbrium altissimum I. W. Clokey 1945-4-18 6645 Riverside Gavilan Flat 600 Comment
  CDA3871  Sisymbrium erysimoides O. F. Clarke 1974-11-25 Riverside 0 Comment
  RSA0100139  Sisyrinchium bellum Duncan S. Bell, Josh Brito, John Woodruff 2015-7-15 8557 Riverside Santa Rosa Mountains; south of Cactus Spring Trail; in Horsethief Creek. 1064 Comment
  UC729903  Sisyrinchium bellum Carl B. Wolf 1932-8-5 3952 Riverside on trail from Tahquitz Valley to San Jacinto Peak (head of fork of Tahquitz Creek, San Jacinto Mountains); San Jacinto Mountains, Tahquitz Creek 2743 Comment
  CDA36020  Solanum O. F. Clarke 2002-3-9 s.n. Riverside Peninsular Range; Riverside; UCR Botanical Garden Comment
  UCR40223  Solanum americanum Steve Boyd 1985-7-23 1017 Riverside Peninsular Range, De Luz Road, 8 mi west of Rancho California. Side canyon of Sandia Creek 305 Comment
  RSA516760  Solanum douglasii Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  UCR219998  Solanum douglasii A. C. Sanders, D. L. Sanders 2010-11-28 38696 Riverside Peninsular Range; NW Gavilan Hills, Angel Canyon Falls, above Home Gardens at the western edge of Riverside, 4.8 km NW (303 deg. ) of Lake Mathews dam, above intersection of Lincoln St. & Indiana Ave. 279 Comment
  UCR261144  Solanum douglasii A. C. Sanders, Katie Young, John Hale 2015-4-22 41589 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 2 km south of I-10, 0.9 km NW (318 deg. ) of One Horse Spring 457 Comment
  UCR137709  Solanum parishii D. L. Banks 1997-3-29 1562 Riverside NW Palomar Mtns, Agua Tibia Mtns, Pechanga Indian Reservation. Headwaters of Pala Creek at the S extremity of the Reservation, north of the Riverside/San Diego Co. line, west of the intersection of Magee Truck Trail and Moreno Rd including a large area of vernally wet grassland at the extreme SW corner of the Reservation 409 Comment
  UCR35268  Solanum rostratum L. B. Ziegler 1973-7-11 513 Riverside Peninsular Range; San Jacinto Mtns., Hemet (Garner) Valley 1402 Comment
  POM298438  Solanum umbelliferum Ynez Whilton Winblad 1941-5-27 s.n. Riverside San Juan Mts., San Juan Canyon, Hiway 74. 610 Comment
  RSA180252  Solanum umbelliferum E. W. Lathrop 1965-4-4 5624 Riverside 8 miles west of Murrieta-Tenaja Range. Comment
  RSA716424  Solanum umbelliferum Scott D. White 2006-4-27 11310 Riverside Perris Basin/San Jacinto Mtn Foothills: Santa Rosa Hills, S. of Hemet. 549 Comment
  CLARK-A1528-4376  Solanum xanti John C. Roos 1952-2-29 5376 Riverside Reche Canyon Comment
  UCR121323  Solanum xanti A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 24997 Riverside Peninsular Range; San Jacinto Mtns. Region, The Badlands; summit of Mt. Eden, SW of Beaumont 717 Comment
  UCR92161  Solidago occidentalis D. L. Banks, Steve Boyd 1995-10-17 0805 Riverside NW Palomar Mtns; Agua Tibia Mtns., Cleveland National Forest, Agua Tibia Wilderness Area; along lower Arroyo Seco, south of the Dripping Springs Campground. Along alluvial benches where Arroyo Seco turns to the E, just west of the Metasedimentary hills 525 Comment
  CAS-BOT-BC365127  Solidago velutina subsp. californica Winifern W. Swarth 1914-9-7 s.n. Riverside Strawberry Valley, San Jacinto Mts. 1828 Comment
  UCR202576  Sonchus asper Scott D. White, Justin M. Wood 2008-7-8 12395 Riverside San Jacinto Mountains, Johnson Meadows 1488 Comment
  UCR2758  Sorghum halepense F. M. Reed 1918-12-5 4052 Riverside Riverside, near Experiment Station 305 Comment
  CSUSB1337  Spartium junceum Eric Helgesen 1968-5-4 Riverside Highway 60, 10 miles from Hemet turnoff. Comment
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Jun 16 2013
  CSUSB1345  Spartium junceum Eric Trubschenck 1972-5-8 1 Riverside Undeveloped lot on northeast corner of Park and 7th Streets. 271 Comment