Search Results — 2000 specimen records retrieved (1894 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
  CAS-BOT-BC229358  Abronia villosa C. L. Hitchcock 1940-4-4 5951 Riverside Pinto Basin Comment
  CLARK-A1528-3259  Abronia villosa John C. Roos 1937-4-18 1364 Riverside Cabazon Comment
  POM8421  Abronia villosa P. A. Munz, R. D. Harwood 1920-4-4 3511 Riverside Pass south of Palm Springs. 152 Comment
  RSA714961  Abronia villosa Sarah J. De Groot, J. Mark Porter 2006-3-14 5203 Riverside North foot of San Jacinto Mts, between Snow Creek Road and Highway 111. Stabilized sand dunes. 351 Comment
  UC917887  Abronia villosa Frank W. Gould 1943-4-17 2119 Riverside 12 mi s Corona (on road to Elsinore) Comment
  RSA748603  Abronia villosa var. villosa Scott D. White, Justin M. Wood 2009-4-28 12595 Riverside Little San Bernardino Mountains: City of Desert Hot Springs, Proposed development N of Pierson Blvd and E of Verbena Dr. Comment
  SD127578  Abronia villosa var. villosa David Charlton 1988-2-19 1208 Riverside Orocopia Mountains, mudstone wash north of Mecca Hills. Box Canyon on road between Cottonwood Wash and Mecca, near Mecca. Comment
  CHSC26552  Acacia greggii James Henrickson 1971-4-2 5474 Riverside Near Hidden Oasis, 13 miles E, of Palm Springs, in open Colorado Desert adjacent to Palm Oasis. 182 Comment
  SFV5010  Acamptopappus sphaerocephalus F. M. Ball 1964-1-4 s. n. Riverside Colorado Desert Old excavated bench, Seven Level Hill about 11 miles south of Palm Desert on Route 74 to Hemet. 610 Comment
  SBBG28548  Acamptopappus sphaerocephalus var. sphaerocephalus D. Myrick 1964-4-30 822 Riverside Palms to Pines (St Hwy 74), 10 mi W of Palm Desert 1066 Comment
  UCR3848  Acer negundo Frank C. Vasek 1964-7-26 640726- 01 Riverside San Jacinto Mtns., 2 mi. north of Kenworthy Ranger Station Comment
  CAS-BOT-BC260437  Achnatherum hymenoides Geo. B. Grant 1906-4-20 6782 Riverside Palm Springs Comment
  CAS-BOT-BC260438  Achnatherum hymenoides L. R. Abrams 1941-4-24 13930 Riverside Palm Springs Railroad Station Comment
  POM123135  Achyronychia cooperi Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater. 305 Comment
  RSA423488  Achyronychia cooperi P. A. Munz 1932-3-14 11999 Riverside Palm Springs. 91 Comment
  SBBG34721  Achyronychia cooperi T. L. Secrest 1948-4-7 Riverside 2 mi S of Desert Hot Springs 213 Comment
  UCR166539  Achyronychia cooperi Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10877 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  UCR265815  Acmispon americanus var. americanus Mitch Provance 2012-5-24 512- 05 A Riverside San Gorgonio Pass, Banning, near its border with Beaumont, Smith Creek Wash vicinity, E of Highland Springs Rd., both N and S of W Wilson St. 784 Comment
  SDSU12235  Acmispon glaber var. brevialatus Tahirih Linz, M. G. Simpson 2000-4-1 3 Riverside Comment
  OBI5743  Acmispon micranthus Charlotte M. Wilder 2004-4-26 61 Riverside Wilder's Canon Jurupa Hill Comment
  JOTR36015  Acmispon rigidus Harding, Mitzi, T. Herskovits 2012-3-16 222 Riverside Joshua Tree National Park. Eagle Mountains, Cholla Wash Comment
  CHSC99616  Acmispon strigosus LeRoy Gross 2005-3-3 1591 Riverside Colorado Desert; Northeastern Colorado Desert region: Palen Mountains, south side. Near end of old prospect road. Near 33.71244N, 115.11171W to 33.72053N, 115.11051W. Growing in sandy wash. 225 Comment
  SBBG3489  Acmispon strigosus H. and M. Dearing 1937-4-11 922 Riverside NE of Indio Comment
  UCR245229  Acmispon strigosus Jim Andre 2012-3-19 21317 Riverside Sonoran (Colorado) Desert, north end of Orocopia Mountains, 0.5 mi. south of junction of Box Canyon Rd and I-10 Fwy, 23 miles east of city of Coachella 470 Comment
  CAS-BOT-BC22562  Adenophyllum porophylloides C. L. Hitchcock; C. V. Muhlick 1964-3-22 23270 Riverside West end of Pinto Basin, Joshua Tree National Monument Comment
  RSA718578  Adenophyllum porophylloides Michael Honer, L. Hulse 2004-4-3 1897 Riverside Nameless canyon appx. 1 mi. W of Pushawalla Cyn., leading up to MWD aqueduct. 488 Comment
  SEINET5537633  Adenostoma fasciculatum R. H. Whittaker, W. A. Niering 1961-1 s.n. Riverside San Jacinto Mountians. 1524 Comment
  UCR174151  Adenostoma fasciculatum A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32526 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-BC139862  Adenostoma sparsifolium Cecil Hart 1922-5-21 12 Riverside San Jacinto Pk. Comment
  CAS-BOT-BC69644  Adiantum capillus-veneris Louis C. Wheeler 1933-12-1 2295 Riverside Mouth of Tahquitz Canyon, San Jacinto Mts. 152 Comment
  SD129152  Aegilops tauschii A. C. Sanders 1989-5-22 9491 Riverside Riverside, scarce annual weed in a dirt field east of Batchellor Hall on the University of California-Riverside campus. Comment
  SEINET6755846 Image available Agave Andrew C. Sanders 1984-7-17 5105 Riverside Riverside: O.F. Clarke residence at 1012 Spruce Street; TRS: 2S 4W 19 NE/4 of NE/4 305 Comment
  UC729550  Agrostis exarata Carl B. Wolf 1932-8-6 3997 Riverside 2 9/10 mi from Idyllwild (on road to Hemet); San Jacinto Mts. 1219 Comment
  OBI32757  Agrostis pallens E. W. Lathrop 1965-5-23 5770 Riverside 9 mi W of Murrieta Comment
  SEINET14046487  Agrostis pallens S. D. White, M. Honer, D. Hannon 2003-6-24 9596 Riverside Near Rainbow Valley; mountains W of I-15 freeway and immediately N of San Diego Co. border. 335 Comment
  CAS-BOT-BC138791  Agrostis scabra Scott White 1996-8-1 4433 Riverside San Jacinto Mountains. Idyllwild area. Highway 243 at Deer Springs trailhead and adjacent area. 1828 Comment
  UCR24967  Agrostis scabra A. C. Sanders 1980-7-22 1699 Riverside Peninsular Range; San Jacinto Mtns., Drainage of the north fork of the San Jacinto River, along Forest Service Road 4S02, 0.8 mi south of Dark Canyon Campground, c. 2 air mi north of Pine Cove. 1829 Comment
  RSA717452  Allionia incarnata Scott D. White, Andrea Warniment 2006-3-22 11264 Riverside Eastern Coachella Valley a few mi E of Indio. Proposed I-10 Freeway / McMaughton Parkway Interchage, N of I-10 Freeway. 91 Comment
  RSA718574  Allionia incarnata Michael Honer, L. Hulse 2004-4-3 1893 Riverside Nameless canyon appx. 1 mi. W of Pushawalla Cyn., leading up to MWD aqueduct. 488 Comment
  JOTR35991  Allionia incarnata var. incarnata Harding, Mitzi, Mark Wheeler 2012-9-4 202 Riverside Joshua Tree National Park. Clark's Pass; low area of mud flats surrounded by fine sand hills, just south of Highway 62 (stop 5) 538 Comment
  RSA367021  Allium Ducelia Sobb 1937-04 s.n. Riverside Near Blythe. Comment
  UC119988  Allium burlewii A. W. Anthony 1895-7-7 Riverside San Jacinto Mts. 2743 Comment
  SEINET8467153 Image available Allium fimbriatum N. C. Cooper 1944-1 1237 Riverside Pinyon Flats, Palms to Pines Hwy, San Jacinto Mts 1219 Comment
  IRVC25  Allium haematochiton R. H. Whittaker, W. A. Niering 1963-6-20 SJ 501 Riverside Peninsular Ranges, San Jacinto Mountains 1677 Comment
  RSA0000106  Allium haematochiton J. C. Marvin 1921-4-1 3408 Riverside Near Banning. Comment
  UCR228840  Allium haematochiton A. C. Sanders, T. B. Salvato 2011-4-27 39339 Riverside Peninsular Range, south side of Alberhill Mountain in vicinity of Durant Siding and Terra Cotta, near Nichols Rd. and extension (under construction) toward Lake St. 390 Comment
  SEINET12048030  Allium haematochiton R. F. Thorne, Lathrop, E. 1975-1 45560 Riverside Santa Rosa Plateau, Rancho California, Mesa de Burro 610 Comment
  RSA348948  Allium munzii Steve Boyd 1986-4-22 1778 Riverside Gavilan Hills: E edge of plateau remnant on ridge E of Estelle Mt., S of Dawson Canyon 671 Comment
  SEINET182529  Allium praecox Unknown 1935-4-16 6550 Riverside East of Hemet, 640 Comment
  UCR49258  Allium praecox Steve Boyd 1986-4-2 1625 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR5959  Allium praecox Kenneth Hibberd 1966-3-27 660327- 01 Riverside Peninsular Range, La Sierra Ave., 2 mi south of Victoria Ave. on the road to Lake Mathews 366 Comment
  SBBG128719  Allium triquetrum O. F. Clarke 2010-2-20 Riverside O.F.Clarke residence, 266 Frost Court, Riverside, E edge of UCR campus 351 Comment
  RSA0112629  Allophyllum A. C. Sanders 2008-7-25 35922 Riverside Peninsular Range; San Jacinto Mtns.: east side of May Valley, NE of Bonita Vista Rd. at foot of hills. Comment
  UCR139151  Allophyllum S. J. Myers, Andrei Krylor 2003-4-30 s.n. Riverside San Jacinto Mtns. Region, Reed Valley, c. 1.5 mi. SW of Little Cahuilla Mtn. 1098 Comment
  UCR25034  Allophyllum divaricatum A. C. Sanders 1980-7-18 1663 Riverside San Jacinto Mtns, Thomas Mountain; along a small dry creek in Spillway Canyon about 2 mi SW of Hwy 74 along Thomas Mountain Road 1463 Comment
  RSA586312  Allophyllum glutinosum D. L. Banks, S. D. Boyd 1995-5-3 0223 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
  CLARK-A1528-1389  Amaranthus albus John C. Roos 1937-8-17 1220 Riverside San Jacinto Comment
  RSA793469  Amaranthus albus Duncan S. Bell 2012-9-13 4193 Riverside Rice Valley; east side of the Arica Mountains; approximately 6 air miles southeast of the ghost town of Rice and approximately 5.5 air miles east of Priests Well. 202 Comment
  SD175786  Amaranthus albus D. G. Kelch 2006-12-8 06 523 Riverside Santa Rosa Plateau, roadside. Comment
  UCR89979  Amaranthus albus Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  RSA574564  Amaranthus blitoides Steve Boyd 1985-7-23 1009 Riverside De Luz Rd., 7 mi. west of Rancho California. 366 Comment
Read comments
Apr 24 2013
  RSA667029  Amaranthus cruentus A. C. Sanders 2002-1-14 24890 Riverside Upper Santa Ana River/ San Bernardino Valley Region: Riverside, east side of Streeter Avs., 33 57 N, 117 25 W 238 Comment
  UCR241959  Amaranthus deflexus A. C. Sanders, Jose Aguiar 2012-12-19 40531 Riverside Sonoran (Colorado) Desert, Coachella Valley, NE of Mecca above intersection of Ave. 62 and Johnson St. near Coachella Canal -8 Comment
  UCR119419  Amaranthus palmeri Mitch Provance 1998-6-20 711 Riverside Jurupa Mountains, Glen Avon Heights, on the north side of Conning St. (dirt road portion traversing from W to E), which lies between Campbell St. and Lindsay St. 262 Comment
  JEPS49060  Ambrosia acanthicarpa Lewis S. Rose 1966-12-11 66094 Riverside Palm Springs 152 Comment
  SD143588  Ambrosia confertiflora R. D. Goeden, D. W. Ricker 1970-4-2 Riverside Moreno Badlands, west of Beaumont, south side of Highway 60, 2 miles west of Jackrabbit Trail 686 Comment
  LA202908  Ambrosia dumosa A. M. Johnson; 1932-3-27 3906 Riverside below [S of] Palm Springs Comment
  POM6766  Ambrosia dumosa Philip A. Munz 1919-5-7 2733 Riverside Palm Springs 198 Comment
  RSA696753  Ambrosia dumosa J. Russell Bruff 1932-3-21 s.n. Riverside 1000 Palms. Comment
  UCD128796  Ambrosia dumosa Geoffrey Levin 1976-10-17 1185 Riverside Box Canyon, about 11 mi. east of Mecca. 91 Comment
  SEINET10849245  Ambrosia dumosa David B. Dunn, Howard Brown; Elizabeth M. McClintock 1947-3-15 Dunn 2895 Riverside Pushawalla Canyon Biota. Indio Hills. In dry wash. Comment
  RSA668473  Ambrosia ilicifolia S. Granger 1979-2-18 s.n. Riverside Chuckawalla Mountains. Comment
  UCSB34110  Ambrosia ilicifolia Collins, Elizabeth 1980-3-31 Riverside 10 miles SW of Hwy 10 at Corn Springs campground Comment
  HSC87232  Ambrosia salsola Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2132 Riverside N end of the Palen Mtns., 2 mi. W of Palen Pass 300 Comment
  UCR227424  Ambrosia salsola Thomas R. Stoughton, J. McConnaughy, D. Monks, M. Volke 2010-4-21 150 Riverside Little San Bernardino Mountains, north of Desert Center, junction of Hwy 177 and Kaiser Road west of Kaiser Road, north of Hwy 177 335 Comment
  SFV17322  Ambrosia salsola var. pentalepis J. N. Hogue, J. D. Dilley 1998-4-23 108 .5 Riverside Chuckwalla Mountains. Corn Springs Wash at Corn Spring. 488 Comment
Read comments
Mar 2 2015
  UCSB36179  Ambrosia salsola var. salsola Roberts, Dar 1980-3-26 Riverside 1 miles south southern enterance to Joshua Tree National Monument, 0.25 miles E. Rd. 750 Comment
  UCSB6610  Ambrosia salsola var. salsola Haller, John 1960-4-2 Riverside Orocopia Mountains, 1.5 mi. S of the junc. of U.S. 60-70 and the S entrance road to Joshua Natl. Monument 579 Comment
  UCR270409  Amelanchier utahensis John F. Emmel 2000-4-30 1646 Riverside Santa Rosa Mountains, Santa Rosa Mountain Road at Garnet Queen Creek crossing 1890 Comment
  POM126807  Ammannia coccinea E. E. Schellenger 1894-8-10 s.n. Riverside Colorado Desert, River bottom - Paloverde Comment
  LA204915  Amorpha californica var. californica W. Pequegnat; 1938-6-15 sn Riverside Santa Ana Mountains, Modjeska Flats 1371 Comment
  RSA765305  Amorpha fruticosa Doris Bowers 1972-4-15 1836 Riverside Pulgas Creek Canyon, Rancho California 396 Comment
  SD229149  Amorpha fruticosa Dick Schwenkmeyer 2012-10-16 842 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 505 Comment
  UC597728  Amorpha fruticosa Philip A. Munz 1937-5-30 15111 Riverside Dos Palmos Spring Santa Rosa Mts. (n end of mts.) 1097 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
  RSA0089626  Amsinckia intermedia Steve Boyd, Tim Ross, L. Arnseth 1990-3-29 3881 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
  RSA523542  Amsinckia intermedia Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4002 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  SD6721  Amsinckia intermedia Daniel Cleveland Apr 1887 Riverside San Jacinto Comment
  UCR226080  Amsinckia intermedia A. C. Sanders, T. B. Salvato 2011-4-1 38949 Riverside Peninsular Range, Lake Elsinore, old house site on hill top along Baker St. below large water tank on hill, 0.83 km NW of Hwy 74, 0.5 km SW of Elsinore Outlet Mall/Collier Ave., above Temescal wash 403 Comment
  UCR274308  Amsinckia retrorsa T. B. Salvato, Melissa Clemons 2005-6-6 1426 Riverside Peninsular Range, Gavilan Hills, c. 0.75 mile south-southeast of Steele Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore 579 Comment
  RSA0091430  Amsinckia tessellata B. A. Prigge 1978-3-23 2419 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads. 335 Comment
  RSA770691  Amsinckia tessellata var. tessellata Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4792 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  UCR249660  Amsinckia tessellata var. tessellata T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7297 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
  JOTR31082  Amsonia tomentosa La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2345 Riverside Joshua Tree National Park. Little San Bernardino Mountains, west of Ryan Mountain; Monzo-granitic boulder outcrop south of Ryan Mountain campground (Stop 2) Comment
  UCR133676  Anagallis arvensis John F. Green, S. J. Myers 2003-6-25 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  RSA543905  Anagallis arvensis Steve Boyd, Orlando Mistretta 1991-5-22 6286 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  UCR90344  Anemopsis californica Scott D. White 1995-6-29 3413 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  SEINET6755346 Image available Antennaria rosea H. M. Hall 1901-1 2401 Riverside San Jacinto Mountains 2835 Comment
  UCR120935  Anthriscus caucalis A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24958 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  CHSC110682  Antirrhinum coulterianum Dean Wm. Taylor 2003-5-7 18529 Riverside Lakeview Mountains, 0.4 air miles SSE of Nuevo Benchmark, under electrical transmission line corridor. 624 Comment
  RSA734197  Antirrhinum coulterianum Keith E. Hoffmaster 1937-6-6 761 Riverside Near Valle Vista, Hemet Valley. Comment
  RSA78730  Antirrhinum filipes Philip A. Munz 1952-4-15 17345 Riverside Wash ca. 3 mi. west of Monument Peak, Joshua Tree National Monument 1128 Comment
  UC2015551  Antirrhinum filipes A. C. Sanders with P. MacKay, M. Jacobsmyer, C. Sanders, et al. 1995-3-5 15993 Riverside Colorado Desert, Orocopia Mountains, Maniobra Valley, 1.6-3 mi S of Frontage road (old highway 60) along I-10, S to edge of BLM wilderness. Comment
  RSA675023  Antirrhinum nuttallianum Scott D. White, Tasha La Doux 2000-4-20 7687 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills. 610 Comment
  UCR119363  Antirrhinum nuttallianum A. C. Sanders 1997-3-19 20050 Riverside Lake Skinner area, NE of Bachelor Mtn., small canyon below dry falls, north of dirt track off road from Rawson Cyn. 503 Comment
  UCR107741  Antirrhinum nuttallianum subsp. nuttallianum D. L. Banks 1997-5-5 1966 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek. Along the S fork of Pechanga Creek 427 Comment
  POM9389  Antirrhinum nuttallianum subsp. nuttallianum I. M. Johnston 1920-5-8 s.n. Riverside Box Springs Grade Comment
  SD143759  Aphanes occidentalis A. C. Sanders, G. Helmkamp 1997-3-15 19956 Riverside Lake Skinner area: Northeast of Skinner Lake in a tributary to Rawson Canyon, along dirt road. North-facing slope in a brushy side canyon 502 Comment
  UCR177421  Apiastrum angustifolium Scott D. White, Michael Honer 2003-4-4 8946 Riverside Peninsular Ranges; Perris-Aguanga Basin, Temescal Canyon, dissected bajada bench, below and east of Horsethief Canyon, immediately south of I-15 Fwy 427 Comment
  UCR220135  Apiastrum angustifolium D. E. Bramlet 1989-4-10 1827 A Riverside Peninsular Range; Perris-Aguanga Basin region, Lake Skinner County Park, southwest slope of Bachelor Mountain, c. 500 ft. NW of the dam 457 Comment
  CAS-BOT-BC405876  Aquilegia formosa Peter H. Raven; R. Snow 1957-7-26 11111 Riverside along stream 2.0 mi. s. of Vista Grande Ranger Station, Banning, Idlewilde Road, San Jacinto Mts. Comment
  RSA603885  Arabis perennans L. Haines, L. C. Erickson 1937-4-10 s.n Riverside Palms to Pines Hwy near road to Shumway. Comment
Read comments
Dec 17 2011
  POM98010  Arabis pulchra var. gracilis E. C. Jaeger 1926-3-24 s.n Riverside Eagle Mountains. 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
  UCR278159  Arctostaphylos A. C. Sanders, Amy Litt, Yi Huang 2017-2-1 42669 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, Squaw Mountain, Avenida Escala near Hacienda Dr. intersection, 2.35 air km east of Tenaja Guard Station 747 Comment
  RSA629361  Arctostaphylos glandulosa Steve Boyd, Tim Ross 1992-5-4 7208 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats Area east of Verdugo Potrero. 732 Comment
  UCR273496  Arctostaphylos glandulosa A. C. Sanders, Glen Morrison 2016-8-4 42620 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, Calle Viento (thin dirt road) south of Avenida Presa, 0.5 km south of Rancho California Rd. 656 Comment
  UCR138811  Arctostaphylos glandulosa subsp. glandulosa D. L. Banks, J. Moreno 1997-2-5 1259 Riverside Agua Tibia Mtns., NW Palomar Mountains: Pechanga Indian Reservation. The headwaters of Pala Creek at the southern extremity of the Reservation, north of the Riverside/San Diego County line border, including a large area of vernally wet grassland at the extreme southwestern corner of the Reservation 409 Comment
  POM254953  Arctostaphylos glandulosa subsp. zacaensis W. Pequegnat 1940-4-13 s.n. Riverside Bedford Road, Santa Ana Mts. 1098 Comment
  POM367314  Arctostaphylos glauca Anstruther Davidson 1892-05 1765 Riverside Banning. Comment
  RSA631736  Arctostaphylos glauca Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-10 19284 Riverside Highway 79, 2 km west of Radec. 550 Comment
  SDSU13993  Arctostaphylos glauca Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2146 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of wet meadow (El Valle complex). 646 Comment
  UC1861763  Arctostaphylos glauca Steve Boyd, Valerie Soza 2004-6-22 11554 Riverside Peninsular Ranges; San Jacinto Mountains region: Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along forest service road 5N13 near 5N06. 1463 Comment
  UCR94266  Arctostaphylos glauca Scott D. White 1996-4-14 3922 Riverside Perris Basin/San Jacinto Mtns., E of Hemet: San Jacinto River Wash near Valle Vista, north of Hwy 74, c. 1.7 mi west of USFS Cranston Fire Station 549 Comment
  HSC101788  Arctostaphylos parryana J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13205 Riverside Along State Route 74 1558 Comment
  RSA633553  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21795 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA633710  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21761 Riverside Dirt road to Santa Rosa Mountain, 8.6 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1940 Comment
  RSA633717  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20135 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633740  Arctostaphylos parryana subsp. desertica Jon E. Keeley, Allen Massihi, Robert Goar 1992-8-18 20157 Riverside Truck trail on north-facing slope of Santa Rosa Mountain, ca. 8 km south of Pinyon Pines, Santa Rosa Mountains. 1750 Comment
  RSA633747  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21798 Riverside Dirt road to Santa Rosa Mountain, 12.3 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 2190 Comment
  RSA635199  Arctostaphylos parryana subsp. tumescens Jon E. Keeley 1992-7-17 16776 Riverside Rd. to Thomas Mtn. (5S15), 4.3 km north of Toolbox Spring. San Jacinto Mtns. 1920 Comment
  UCR3425  Arctostaphylos pringlei Heidi A. Haid 1964-5-17 64517- 3 Riverside San Jacinto Mtns., c. 1 mi from junction of Hurley Flats Rd and Idyllwild-Banning Rd 1402 Comment
Read comments
Feb 3 2017
  RSA635637  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1978-9-16 7258 Riverside South of Twin Pines Ranch Rd. 1275 Comment
  RSA635692  Arctostaphylos pringlei subsp. drupacea Jon E. Keeley 1992-7-16 16596 Riverside Hwy 371 & Burnt Valley Rd. San Jacinto Mtns. 1250 Comment
  UCR129656  Arctostaphylos pringlei subsp. drupacea Larry E. DeBuhr 1972-3-23 531 Riverside Santa Rosa Mtns., San Bernardino National Forest, along forest road 7S02 2104 Comment
  SD229132  Arctostaphylos pungens Dick Schwenkmeyer 2012-3-26 670 Riverside Mt. San Jacinto: Garner Valley, Kenworthy (site #2), approx 1 mile northeast of junction of Highway 74 and Morris Ranch Road, base of steep bouldery slope. 1374 Comment
  RSA721871  Arctostaphylos pungens var. pungens Michael Wall 2007-2-24 426 Riverside San Jacinto Valley off dirt road along wash feeding Bautista Creek off Bautista Creek Rd. 3.0 miles SE of Fairview Avenue 678 Comment
  RSA636176  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19477 Riverside West of Temecula, off Colman Rd., 0.8 km north of Carancho Rd. and west of De Luz Rd., eastern Santa Margarita Mountains. 590 Comment
  UCR63512  Arctostaphylos rainbowensis Scott D. White 1990-6-14 s.n. Riverside Peninsular Range, Rainbow area: c. 1 mi (airline) SE of Temecula Canyon and 1 mi (airline) NW of Rainbow Valley. S boundary of property on the San Diego County line 427 Comment
  SD67916  Arenaria macradenia subsp. ferrisiae Reid Moran 1968-8-3 15366 Riverside North slope 1.0 mile west of summit, Santa Rosa Mountain. 2150 Comment
  RSA502588  Argemone munita subsp. munita Steve Boyd, Tim S. Ross, L. Arnseth 1989-6-11 3724 Riverside Vail Lake area, recently burned hills SE of lake, S of Hwy 79. 488 Comment
  RSA727089  Aristida adscensionis Naomi Fraga, Lisa Rojas 2005-2-10 1378 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UC572299  Aristida adscensionis H. S. Yates 1937-3-23 6448 Riverside 15 mi nne Mecca; Thermal Quadrangle 457 Comment
  POM219941  Aristida adscensionis var. modesta F. R. Fosberg 1932-3-13 8102 Riverside Thousand Palms Canyon, Coachella Valley. Comment
  RSA0049954  Aristida californica A. C. Sanders, T. B. Salvato 2012-10-12 40440 Riverside Palo Verde Mesa, along Bradshaw Trail c. 2 miles west of 30th Ave. at Ludy Blvd./ canal crossing 114 Comment
  SEINET10513118  Aristida purpurea var. fendleriana David Griffiths 1905-7-20 Griffiths 8008 Riverside 1 mile east of Baurring. Comment
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Sep 3 2017
  RSA125879  Aristida purpurea var. longiseta P. H. Raven 1958-5-18 13003 Riverside Hemet Meadows, San Jacinto Mountains. Comment
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Jun 9 2012
  CLARK-A1528-7798  Aristida purpurea var. nealleyi John C. Roos 1949-4-11 4242 Riverside Hayfield 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
  UC576337  Aristida purpurea var. nealleyi H. S. Yates 1937-6-27 6721 Riverside Deep Canyon Thermal Quadrangle (head) 1219 Comment
  RSA543306  Artemisia californica Steve Boyd 1991-3-17 5490 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  SD229062  Artemisia californica Dick Schwenkmeyer 2012-10-16 845 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 505 Comment
  SDSU6156  Artemisia californica S. J. Barnhart 1966-4-17 660417 -11 Riverside South-west facing slope of small hill 0.1 mi. east of McAllister St. along the Metropolitan Water Co. utility road (dirt), which is 1.5 mi. south-east of the intersection of McAllister St. and Victoria Ave. 457 Comment
  UC1119314  Artemisia californica C. Van Fleet 1931-1-22 5 Riverside Wilson Creek San Jacinto Quadrangle, Wilson Creek Comment
  RSA761159  Artemisia dracunculus Shawn Krosnick, C. Martinez, Naomi Fraga, L. McDade, et al. 2010-8-14 690 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  SDSU12991  Artemisia dracunculus Michael G. Simpson with Claudia A. Luke 1999-10-27 2011 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/4 mile from Southside Facilities. 152 Comment
  UCR17532  Artemisia ludoviciana subsp. incompta Frank C. Vasek 1979-7-26 s.n. Riverside Santa Rosa Mtns, Vicinity of Virgin Spring and Stump Spring 2348 Comment
  POM13402  Artemisia ludoviciana subsp. ludoviciana E. C. Jaeger 1922-8-20 1011 Riverside Long Valley to Palm Springs Trail 1829 Comment
  RSA417354  Artemisia ludoviciana subsp. ludoviciana L. C. Wheeler 1933-12-2 2297 Riverside Tahquitz Canyon, San Jacinto Mts. 700 Comment
  CAS-BOT-BC222819  Asclepias albicans D. A. Johansen; J. A. Ewan 1932-4-12 7071 Riverside Devils Canyon above Coachella Valley, Colorado Desert 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
  UC111252  Asclepias californica H. M. Hall Apr. 1897 Riverside Temecula Ck. Nigger Jim Canyon Comment
  CLARK-A1528-1464  Asclepias subulata John C. Roos 1946-12-7 3179 Riverside Pushawalla Wash Comment
  RSA263903  Asclepias subulata C. W. Tilforth 1976-7-21 1220 Riverside Along Hwy 195 in large sandy wash, 15 miles NE of Mecca Comment
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May 29 2011
  RSA682078  Asclepias subulata Scott D. White, Michael Honer 2003-4-30 9130 Riverside Shavers Valley. About 1-2 miles south west of unnamed freeway exit at pumping station. 396 Comment
  SEINET10779850  Asclepias subulata F. A. Thackery 1928-5-10 Thackery 134 Riverside Rincon 314 Comment
  SEINET12518425 Image available Asclepias subulata Mark Fishbein, Frankie Coburn, Danny Fuller 2016-1 7547 Riverside Along US Hwy 95 at jct Lonesome Dove Rd, 18 km north-northeast of jct I-10 at Blythe, west base of Big Maria Mountains, Colorado River valley. 93 Comment
  UCR169921  Asclepias subulata Scott D. White, Jennifer H. Jones 2005-4-21 10944 Riverside Sonoran Desert, Eastern Coachella Valley. Bajada beneath Mecca Hills, just east of Coachella Canal 49 Comment
  POM11737  Aspidotis californica P. A. Munz, I. M. Johnston 1922-5-19 5334 Riverside 5 miles NE of Murrieta 518 Comment
  IRVC23981  Asplenium vespertinum R. E. Reifner 1988-3-8 88 51 Riverside Route 74: San Juan Loop Trail near Ortega Oaks in a well-shaded rock crevice. Peninsular Ranges Comment
  SEINET10614343  Aster David B. Dunn 1946-8-17 Dunn 2733 Riverside Round meadow dry hillside among Lodge Pole Pines, San Jacinto Mts. Comment
  CLARK-A1528-5566  Astragalus allochrous John C. Roos 1949-4-10 4228 Riverside Chuckwalla Mountains Comment
  UCR134604  Astragalus aridus Marisa Sripracha, Kyle Boyd 2004-2-14 027 Riverside Sonoran (Colorado) Desert, Myoma, near 38th Street and Washington Ave, on the Coachella Valley Preserve 120 Comment
  POM9366  Astragalus aridus Mary F. Spencer 1920-2-24 1483 -a Riverside In desert sand. Comment
  CAS-BOT-BC177513  Astragalus bernardinus Philip A. Munz 1949-4-11 13006 Riverside Near Conejo Well, north base of Eagle Mts., [Mohave] Mojave Desert 914 Comment
  RSA0025521  Astragalus bernardinus John F. Emmel 1986-4-12 996 Riverside Little San Bernardino Mtns: upper Berdoo Canyon. Locality also includes Quarter S 1/2. Section 31, Township 3S, Range 9E. 1372 Comment
  CAS-BOT-BC177530  Astragalus bicristatus Elizabeth McClintock 1965-6-25 s.n. Riverside Santa Rosa Mt., a short distance below summit Comment
  SBBG68385  Astragalus crotalariae R. Hoffmann 1929-2-5 Riverside below Fig Tree John's [Figtree John Spring] -60 Comment
  UC862664  Astragalus didymocarpus var. dispermus C. L. Hitchcock 1940-4-4 5953 Riverside Pinto Basin Pinto Basin (sandy wash) Comment
  RSA90153  Astragalus didymocarpus var. dispermus F. W. Peirson 1922-4-29 2939 Riverside Dripping Spring, Temecula River, southwestern Riverside Co. 457 Comment
  UCR251991  Astragalus douglasii A. C. Sanders, T. B. Salvato 2014-7-2 41162 Riverside Peninsular Range; San Jacinto Mtns., Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  LA204953  Astragalus douglasii var. parishii Elizabeth McClintock; 1939-9-1 sn Riverside San Jacinto Mountains, Idyllwild Comment
  SD128289  Astragalus douglasii var. parishii R. Mitchel Beauchamp 1971-5-15 2419 Riverside Black Mountain Road, San Jacinto Mountains. 1615 Comment
  SEINET3132644  Astragalus douglasii var. parishii R. W. Spellenberg, D. Jackson 1972-5-19 2823 Riverside 3.8 mi SE of Lake Hemet, along California State Hwy 74 1402 Comment
  CAS-BOT-BC178435  Astragalus douglasii var. parishii Peter H. Raven; Sidney R. Snow 1956-7-6 9659 Riverside 0.3 miles west of Mountain Center, San Jacinto Mts. 1371 Comment
  UCR81998  Astragalus filipes Ed LaRue 1993-8-18 s.n. Riverside Murrieta: Greer Ranch development, north side of Clinton Keith Road near Interstate Hwy 15. Comment
  RSA779015  Astragalus insularis var. harwoodii Duncan S. Bell 2010-4-1 649 Riverside Arica Mountains: east side of the mountain range, west side of Rice Valley, near the lowest eastern drainage point for the Arica mountains ; approximately 4.3 air miles southeast of the ghost town of Rice. 209 Comment
  RSA779776  Astragalus insularis var. harwoodii Duncan S. Bell 2010-4-2 685 Riverside Arica Mountains: western side of the mountain range in the Palen/McCoy Wilderness; about 2.5 air miles northwest of Priest Well; collecting along a sand wall/sand ramp above the main western drainage of the mountain range. 209 Comment
  RSA774902  Astragalus lentiginosus var. coachellae Duncan S. Bell, Amber Swanson 2011-2-18 2024 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
  CAS-BOT-BC178072  Astragalus nuttallianus C. L. Hitchcock 1940-4-3 5935 Riverside 1 1/2 mi. northeast of Cottonwood Spring along 29 Palms Road, Joshua Tree Nat. Monument. Comment
  RSA769649  Astragalus pachypus var. jaegeri Duncan S. Bell, Joy D. England 2010-5-17 1000 Riverside San Bernardino National Forest: Rouse Ridge, approximately 3 air miles southeast of junction of Highway 74 and forest service road 5S15. 1045 Comment
  JOTR16679  Astragalus palmeri Walters, Jim 1967-4-11 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS 1645 Comment
  RSA415645  Astragalus palmeri M. B. Dunkle 1938-4-3 5237 Riverside 2 miles S of Nightengale, Santa Rosa Mt. Comment
  UCR1655  Astragalus pomonensis Ken Calhoun 1962-4-29 77 Riverside Santa Ana Mtns., Santa Rosa Plateau, San Mateo [Tenaja] Road, 4 mi. west of Murrieta 549 Comment
  RSA525687  Athysanus pusillus Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4558 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake Comment
  CAS-BOT-BC98815  Atrichoseris platyphylla Mrs. G. Earle Kelly 1926-4-1 s.n. Riverside Painted Canyon near Indio Comment
  SD103973  Atrichoseris platyphylla J. L. S. Simpson 1964-3-22 Riverside Near the Colorado River beyond Blythe 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
  UCSB6734  Atrichoseris platyphylla Krogen, Roger 1957-1 Riverside 4 mi. S of jct. of Hwys 195 and 60-70, at N edge of Orocopia Mts. Comment
  RSA5459  Atriplex canescens C. B. Wolf 1932-10-13 s.n. Riverside Cottonwood Springs. Eagle Mountains 290 Comment
  SEINET3930280  Atriplex canescens var. angustifolia Stewart C. Sanderson 1993-11-22 93 -054 Riverside Milo Racket Club, Palm Springs, CA.; 0 Comment
  RSA760811  Atriplex canescens var. canescens Thomas Stoughton, Jacqueline McConnaughy, Andrew Monks, M. Volke 2010-3-31 117 Riverside PCT Trail. W of Whitewater Canyon. N of jct of I-10 and Rte 111. 740 Comment
  RSA532555  Atriplex coronata var. coronata D. E. Bramlet 1991-6-1 2171 Riverside 2 km west of Lakeview and 30m to 400 east of the San Jacinto River. The site is approximatly 170 m. north of the MWD easement road., [additional populations are located north of the site] 473 Comment
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Dec 8 2010
  RSA591763  Atriplex coronata var. notatior J. C. Roos 1965-6-30 s.n. Riverside Perris. Comment
  RSA748735  Atriplex coronata var. notatior Karin Cleary-Rose, G. Nuhn 1995-7-20 s.n. Riverside west edge of Hemet, 19 acre parcel on the Wilhelm Ranch, between Hwy 74 and Whittier Ave, at south end of Hyatt Ave., west of the San Diego Aqueduct 457 Comment
  SD130238  Atriplex coronata var. notatior George Ruffner 1990-5-2 Riverside San Jacinto Wildlife Area, east of Davis Road, vicinity of duck ponds on west edge of playa of Lake San Jacinto. Comment
  UCR14449  Atriplex coronata var. notatior O. F. Clarke, Jeanine Derby 1974-6-19 s.n. Riverside Perris-Aguanga Basin Region, [San Jacinto River] south of Ramona Expressway, 1/2 mile NW of Lakeview 432 Comment
  UCR66973  Atriplex coronata var. notatior D. E. Bramlet 1990-6-14 2038 Riverside San Jacinto Valley, c. 6.5 km SW of Hemet, c. 400 m north of the Santa Fe RR tracks and adjacent to (E of ) MWD canal, c. 900 m west of Warren Ave 457 Comment
  UCR27595  Atriplex davidsonii John C. Roos 1962-5-24 s.n. Riverside San Jacinto Valley, Flats west of Hemet Comment
  JOTR36450  Atriplex elegans var. fasciculata La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3420 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; just west of bend in Hwy 177 near park boundary; desert pavements w/ braided rivulets (Stop 1) 213 Comment
  CAS-BOT-BC170260  Atriplex hymenelytra John Thomas Howell 1928-1-29 3302 Riverside Entrance to Painted Canyon, Colorado Desert. Comment
  UCR265195  Atriplex hymenelytra David Fraker, Aaron C. Sedgwick 2012-5-9 97 Riverside Sonoran (Colorado) Desert, wash c. 1 mile north of the Bradshaw Trail [off Salt Creek Wash] 405 Comment
  JEPS59604  Atriplex lentiformis W. L. Jepson 1914-5-21 6038 Riverside Indio Colorado Desert, Indio 7 Comment
  UCR163798  Atriplex lentiformis John F. Green 2005-10-26 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley; ENE of Salton Sea State Park, along Coachella Canal 24 Comment
  CAS-BOT-BC170069  Atriplex parishii H. M. Hall 1901-6-1 2146 Riverside Eastern base, along the borders of the Colorado Desert. Comment
  CAS-BOT-BC176541  Atriplex polycarpa W. I. Follett; E. B. Follett 1963-4-23 s.n. Riverside Below Coachella Canal road, 22.1 mi. se. of Mecca Comment
  HSC4352  Atriplex polycarpa L. S. Rose 1967-12-19 67177 Riverside La Quinta 15 Comment
  RSA450605  Atriplex polycarpa Theo Glenn 1984-10-2 s.n. Riverside Thousand Palms oasis, in the Indio Hills, Coachella Valley. 168 Comment
  SBBG1783  Atriplex polycarpa H. and M. Dearing 1938-3-6 Riverside Box Cyn Comment
  RSA735905  Atriplex prostrata Scott D. White, Justin Wood 2008-6-24 12287 Riverside San Timoteo Canyon. Meadow along San Timoteo Creek. 640 Comment
  POM319731  Atriplex semibaccata Patricia Wilder 1970-10-30 4845 Riverside Road on south side of Prado Flood Control Basin on east side of Prado Dam. About 1/2 mile east of dam tender s residence. Santa Ana River Drainage Area 152 Comment
  UCR99791  Atriplex serenana Julie A. Greene, Steve Boyd, D. E. Bramlet, Hilda Flores, H. Ochoterana 1993-7-9 1409 Riverside San Jacinto Valley, San Jacinto Wildlife Area [northwest of Lakeview] 433 Comment
  SD137969  Avena barbata Darin L. Banks 1995-4-11 182 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, along the Dripping Springs Trail. 779 Comment
  CSUSB422  Avena fatua D. L. Heald 1966-4-5 Riverside In the front yard of D.L. Heald's residence in Arlington. 304 Comment
  JOTR31823  Ayenia compacta La Doux, Tasha, Bill Truesdell 2007-11-9 2527 Riverside Joshua Tree National Park. Eagle Mountains along south boundary of park; small side canyon to east of larger wash running parallel to and east of Lost Palms Canyon (Stop 6) 655 Comment
  UCR9373  Ayenia compacta Richard A. Weaver 1970-1-14 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns., western portion of range 915 Comment
  RSA639390  Azolla filiculoides Louis Cutter Wheeler 1933-7-27 2044 Riverside Santa Ana River at Chino Creek. 152 Comment
  POM253447  Baccharis brachyphylla E. C. Jaeger 1939-12-1 s.n. Riverside Orocopia Mountains 366 Comment
  RSA518311  Baccharis brachyphylla A. C. Sanders 1989-9-19 9503 Riverside Chocolate Mtns Aerial Gunnery Range, 1.75 km S of Tabaseca Tank, along the wash above ''Tabaseca Target. 680 Comment
  UCR25766  Baccharis brachyphylla John C. Roos 1949-4-2 4133 Riverside San Bernardino Mtns., Palm oasis in side canyon of Whitewater Canyon 856 Comment
  CLARK-A1528-165  Baccharis emoryi John C. Roos 1951-9-25 5285 Riverside Riverside 259 Comment
  RSA450761  Baccharis emoryi J. C. Roos 1965-10-7 s.n. Riverside Fairmont Park Comment
  RSA716192  Baccharis salicifolia Scott D. White, Angelia Carey 2004-4-5 10017 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  UCR100032  Baccharis salicifolia A. C. Sanders, G. Helmkamp 1997-3-15 19975 Riverside Lake Skinner area, N foot of 1700 ft. hill east of Bachelor Mtn., small canyon and grassy S-facing slopes 488 Comment
  UCR100305  Baccharis salicifolia B. G. Pitzer 1997-4-20 3188 Riverside Lakeview Mtns, Intersection of 'Dutton' Street with Voltaire Vista Road. (Note: Dutton ends in T-intersection at Sardis Lane, which makes a 90 deg. E turn onto Brent Lane, which becomes Voltaire Vista Road east of Elton Lane. Therefore, this locality is actually the intersection of Elton Lane & Voltaire Vista Road.) 610 Comment
  UCR89310  Baccharis salicina Scott D. White 1995-9-22 3684 Riverside San Jacinto Valley, March Air Force Base, west of Plummer St. and south of Cactus Ave., 0.7 mile west of 215 Fwy. 460 Comment
  RSA0021682  Baccharis sarothroides Duncan S. Bell 2013-10-30 s.n. Riverside Arica Mountains; east side of range; western section of Rice Valley, about 6 air miles southeast of the ghost town of Rice. 211 Comment
  SEINET899320  Baccharis sarothroides C. B. Wolf 1931-1 1881 Riverside Colorado Desert, 2 mi. north of Blythe 152 Comment
  UC1010322  Baccharis sarothroides John and Lucille Roos 1950-10-28 5021 Riverside near Box Springs 472 Comment
  JEPS21312  Baccharis sergiloides W. L. Jepson 1928-4-25 12568 Riverside Eagle Mountains, Cottonwood Springs 731 Comment
  POM159821  Bahiopsis parishii E. C. Jaeger 1926-3-24 s.n. Riverside Eagle Mountains. Comment
  RSA518273  Bahiopsis parishii A. C. Sanders 1989-9-19 9504 Riverside Chocolate Mtns Aerial Gunnery Range, 1.75 km S of Tabaseca Tank, along the wash above ''Tabaseca Target. 680 Comment
  SD229076  Bahiopsis parishii Dick Schwenkmeyer 2012-5-22 714 Riverside Snow Creek, north base of Mt. San Jacinto, approx. 4 miles south of intersection of highways 10 and 111 511 Comment
  UCR166718  Baileya multiradiata Scott D. White, Jennifer H. Jones 2005-4-12 10868 Riverside Coachella Valley, Indio area, vacant land NE of the I-10 Freeway interchange at Jefferson 18 Comment
  CAS-BOT-BC99952  Baileya pauciradiata Lewis S. Rose 1935-12-22 35684 Riverside 2 mi. E. of Palm Springs 91 Comment
  CAS-BOT-BC99959  Baileya pauciradiata S. B. Parish 1896-4-1 4125 Riverside Palm Springs, Colorado Desert Comment
  POM7012  Baileya pauciradiata Philip A. Munz 1919-3-27 2347 Riverside Salton Sea Comment
  UC164871  Baileya pleniradiata S. B. Parish 1902-6-30 8093 Riverside Juniper Valley Comment
  UC1931108  Barbarea orthoceras Scott D. White, Justin Wood 2008-6-18 12232 Riverside San Jacinto Mountains: K Flat Meadow. Comment
  UCR110429  Bassia hyssopifolia A. C. Sanders, Mitch Provance 1999-9-26 23130 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  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
  RSA772537  Bebbia juncea Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4437 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
  RSA784947  Bebbia juncea Duncan S. Bell 2012-2-12 3125 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  CSUSB2  Beloperone californica I. S. Singh 1972-4-21 S.N. Riverside Colorado Desert West and north edges of Colorado Desert. Sea level. Comment
  UCR19083  Berberis dictyota John C. Roos 1952-2-29 5379 Riverside SW of Reche Canyon 610 Comment
  RSA753535  Berberis nevinii Michael Wall 2009-6-10 518 Riverside CNDDB EO # 04; south of Redlands ca. 0.75 miles up an unnamed canyon off San Timoteo Canyon Rd. ca. 0.5 miles NW of jct with Allesandro Blvd, (road entrance is by an abandoned dairy) 496 Comment
  UCR252813  Berberis nevinii Ana Hernandez 2012-4-2 031 Riverside Perris Aguanga Basin, top of Oak Mountain, 35 meters north of dirt road 825 Comment
  UCR95360  Berberis nevinii D. L. Banks, Rashmi Pant 1996-6-13 1020 Riverside NW Palomar Mtns, Agua Tibia Mtns; Foothills S oh Hwy 9; east of Dripping Springs Campground. Approx. 2.1 km east of Dripping Springs Guard Station, south of the jct between Vail Lake Marina Road and Hwy 79, just south of Cleveland National Forest Boundary Comment
  SEINET238479 Image available Bergia texana A. C. Sanders, Mitch Provance 1999-9-26 23132 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake 1.4 mi. SE of Jackrabbit Trail on Gilman Springs Rd. 1.4 mi. S of Eden 433 Comment
  CAS-BOT-BC207045  Bernardia incana John C. Roos 1950-12-2 5027 Riverside Monson Canyon, Eagle Mts. 1066 Comment
  UCSB25708  Bernardia myricifolia 1968-7-16 Riverside Along Stone Crest Road, 0.5 mile north of forest boundary marker T65, R5E, SBB&M, 2.0 miles north of Pinyon Flats, Southern San Jacinto Mountains 1219 Comment
  SD134536  Bidens laevis Craig Reiser 1991-9-17 Riverside Near Norco, in slough of Santa Ana River Comment
  RSA198974  Blennosperma nanum R. F. Thorne 1968-4-18 37444 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California 671 Comment
  UCR158127  Bloomeria crocea A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30096 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
  UCR172237  Bloomeria crocea 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
  RSA367332  Bloomeria crocea var. crocea N. C. Cooper 1944-7-16 1542 Riverside At trailside. San Jacinto Mt. above Pine Cove 2072 Comment
  UCR48353  Bloomeria crocea var. crocea Steve Boyd 1986-4-22 1762 Riverside Temescal Canyon, W side of Indian Wash, south of I-15 Comment
  SD255798  Boerhavia coulteri A. C. Sanders 2015-9-12 41884 Riverside Sonoran (Colorado) Desert: Desert Center, south of I-10 at the Eagle Mountain Road junction (Desert Center 7.5'Q) 360 Comment
  JEPS123547  Boerhavia triquetra T. La Doux with J. Andre 2007-9-6 134 Riverside Joshua Tree National Park. Little San Bernardino Mountains on dirt road to Lost Horse Ranger Station, below Hemmingway Buttress. Comment
  SEINET3124370 Image available Boerhavia triquetra Tasha La Doux, Jim Andre 2008-9-16 337 Riverside Mojave Desert; Joshua Tree National Park, c. 0.3 mi. NW of Indian Cove Campground 934 Comment
  UCR215582  Boerhavia triquetra Tasha La Doux, Jim Andre 2008-9-16 337 Riverside Mojave Desert, Joshua Tree National Park, c. 0.3 mi. NW of Indian Cove Campground 934 Comment
  UCR20797  Bolboschoenus maritimus subsp. paludosus A. C. Sanders, S. D. Boyd 1980-5-19 1473 Riverside Perris-Aguanga Basin, upper edge of Lake San Jacinto near Quail Lake Golf Course. Gilman Springs Road c. 1.5 mi northwest of Jackrabbit Trail. 442 Comment
  RSA385911  Bouteloua aristidoides F. R. Fosberg 1932-3-13 8073 Riverside Thousand Palms Canyon, Coachella Valley. Comment
  RSA517242  Bouteloua barbata T. S. Elias 1986-2-18 1329 Riverside Mecca Hills, Colorado Desert: Box Canyon, along Highway 195. Comment
  UCD56845  Bouteloua barbata Geoffrey Levin 1976-10-17 1178 Riverside Box Canyon. About 11 miles east of Mecca. Mecca Hills. Salton Sea Basin. 91 Comment
  RSA736265  Bouteloua curtipendula Jim Andre, Tasha La Doux 2007-9-6 8705 Riverside Little San Bernardino Mountains: on dirt road to Lost Horse Ranger Sta, below Hemmingway Buttress, Joshua Tree Natl. Park. 1237 Comment
  RSA673542  Bowlesia incana Scott D. White, Tasha La Doux 2000-4-20 7673 Riverside South of Hemet: Gibbel Flat in the Santa Rosa Hills. 610 Comment
  UCR226770  Brandegea bigelovii Jim Andre 2011-2-9 15894 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  CLARK-A1528-344  Brassica geniculata Ken F. Clarke 1971-8-11 Riverside Riverside Comment
  SEINET4326811 Image available Brassica tournefortii T. J. Glenn 1988-1-7 s.n. Riverside Palm Springs, Peninsular Ranges: San Jacinto Mountains region; off Snow Creek Road, Palm Springs. Comment
  UCR130125  Brassica tournefortii Scott D. White 2001-4-3 8237 Riverside Sonoran (Colorado) Desert, Shavers Valley, near the I-10 Freeway, c. 15 miles east of Indio junction of I-10 and Calif. SR 111, adjacent to powerline access roads at unnamed freeway exit accessing pump station 473 Comment
  UCR155832  Brassica tournefortii John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  RSA561424  Brickellia californica Steve Boyd 1992-9-9 7685 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Almos Road (7S04) and the confluence of Los Almos Creek., Up the San Mateo Trail north to Potrero de la Cienega. 396 Comment
  LA203084  Brickellia desertorum Carl Epling; 1937-11-26 Riverside White Tank, Twentynine Palms Comment
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Jun 14 2013
  SD146037  Brickellia desertorum A. C. Sanders, Pam MacKay, Tim Thomas, et al. 1996-11-23 19650 Riverside San Bernardino Mountains; Whitewater Canyon, just below the fish hatchery. 648 Comment
  UC1279709  Brickellia desertorum D. B. Dunn 1947-10-9 3521 Riverside at campground area by Hidden Valley, Joshua Tree National Monument Joshua Tree National Monument, Hidden Valley Comment
  UC894158  Brickellia desertorum Carl B. Wolf 1932-10-13 Riverside Cottonwood Springs, Eagle Mts., Colorado Desert Colorado Desert, Eagle Mts., Cottonwood Springs 289 Comment
  JOTR31136  Brickellia oblongifolia var. linifolia La Doux, Tasha 2009-6-3 1848 Riverside Joshua Tree National Park. (Stop 1): Little San Bernardino Mountains, Covington Flats, ridge line south of peak 1547 Comment
  SBBG101687  Brickellia oblongifolia var. linifolia S. Boyd with T. Ross 1991-6-8 6325 Riverside Pinyon Flat at jct of Santa Rosa Mtn Rd and St Hwy 74 1400 Comment
  UC1043023  Brodiaea filifolia John C. Roos 1952-5-14 5667 Riverside San Jacinto River bottom 1 mi E of Ferris 426 Comment
  UCR191212  Brodiaea santarosae Tom Chester, W. P. Armstrong, Kay Madore 2006-6-1 910 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Rosa Plateau Ecological Reserve; Clay Hill, 0.5 km south-southwest of the northernmost high point of the Mesa de Burro 576 Comment
  UCR117080  Bromus arenarius A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-9 24211 Riverside Perris-Aguanga Basin region, Hemet, SE of intersection of State Street and Gibbel Rd., small hill (1684 ft. at summit) at east end of Diamond Valley, 1 mi. SSW of Hemet Butte 513 Comment
  SEINET238913 Image available Bromus arizonicus A. C. Sanders 1998-3-17 21748 Riverside Riverside: open fields at NE edge of UCR campus E and A & I dorms and S of Watkins Dr. (Riverside East 7.5' Q.) 335 Comment
  UC162210  Bromus arizonicus H. M. Hall May, 1905 5980 Riverside Colorado Desert Comment
  CAS-BOT-BC149442  Bromus berteroanus John Roos; Lucille Roos 1953-3-21 5909 Riverside Mouth of Andreas Canyon south of Palm Springs. 274 Comment
  UCR2217  Bromus catharticus F. M. Reed 1907-2-12 1205 Riverside Riverside, Arroyo Tequesquite, Bluffs Ranch 274 Comment
  UCR91999  Bromus catharticus Chet McGaugh 1996-4-26 s.n. Riverside San Jacinto Valley, Hemet, 0.25 mi west of State St., between Esplanade and Cottowood 465 Comment
  UCR108871  Bromus diandrus Heidi A. Haid 1968-1 s.n. Riverside San Jacinto Mtns., Bautista Canyon, above confluence with Horse Creek 915 Comment
  RSA495790  Bromus diandrus subsp. triangularis Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-11 2897 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 390 Comment
  UCR94068  Bromus hordeaceus Scott D. White, M. Jacobsmeyer 1996-4-20 3951 Riverside Perris-Aguanga Basin region, SW of Perris: hillside south of the San Jacinto River channel 518 Comment
  SEINET6190251 Image available Bromus madritensis Orlando Mistretta, D. Bell, J. Beckman, J. England, K. Kane, J. Hall, C. McDonald, L. Reccia, L. Rodriguez, A. Sall, T. Tennant 2010-1 4420 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm) in the vicinity of Bonnie Bell 488 Comment
  UC1929330  Bromus madritensis subsp. rubens Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10454 Riverside Peninsular Ranges, San Jacinto Mountains/Colorado Desert: E 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
  RSA192273  Bromus pseudolaevipes E. W. Lathrop 1966-6-1 6355 Riverside Tenaja Range, Fisherman's Creek Camp. Comment
  RSA600397  Bromus rubens V. W. Steinmann, D. B. Steinmann 1996-3-16 811 Riverside Northeast foothills of the San Jacinto Mountains, lower portion of Chino Canyon alluvial plain, 1 kilometer S of Highway 111 at a point ca. 1.5 kilometer NW of the Tramway-San Rafael intersection. 300 Comment
  RSA682074  Bromus rubens Scott D. White 2001-3-27 8172 Riverside Moreno Valley area. About 1 air mile East-Northeast of the jtn State Rt. 60 w/ theodore St. Adjacent to County Landfill. 610 Comment
  UCR140287  Bromus rubens A. C. Sanders 2004-4-9 27458 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., in central valley among the three peaks 518 Comment
  SEINET10810207  Bromus rubens Gordon H. True 1935-3-11 True 68 Riverside Sycamore Canyon, Box Springs. North hillside. 366 Comment
  SEINET175439 Image available Bromus tectorum Victor Duran 1932-5-18 3218 Riverside Idyllwild, San Jacinto Mountains. 1676 Comment
  UCR2259  Bromus trinii F. M. Reed 1907-6-16 1471 Riverside South Coast; San Bernardino Valley, Riverside, upper south fork of Arroyo Tequesquite 457 Comment
  RSA264427  Caesalpinia virgata C. W. Tilforth, Jeff Barnes 1976-7-21 1221 Riverside Painted Canyon, NE of Mecca. Comment
  RSA0105077  Calandrinia ciliata Daphne K. Christopher, Hannah Stevens 2003-4-6 107 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 540 Comment
  UCR133977  Calandrinia ciliata Mitch Provance, J. S. Ross 1998-3-27 MOR- 964 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon, just south of the juction with the NE bound road to Deep Cyn. 915 Comment
  SD68966  Callitriche heterophylla var. bolanderi Robert F. Thorne, P. A. Munz and E. Lathrop 1968-5-8 37594 Riverside Santa Rosa Plateau, Rancho California. 609 Comment
  UCR60514  Callitriche longipedunculata R. F. Thorne 1973-5-23 43847 Riverside Santa Rosa Plateau, north side of Mesa de Colorado 610 Comment
  UCR266786  Callitriche marginata Mitch Provance, Matt Amalong, Eric Kline 2015-3-24 315- 07 Riverside Paloma Valley, Menifee, NE corner of the intersection of Scott Rd. and Menifee. 454 Comment
  RSA572185  Calocedrus decurrens C. Epling 1931-10-3 s.n. Riverside Strawberry Valley, San Jacinto Mts. 1524 Comment
  RSA651265  Calochortus Russell S. Woglum 1937-5-22 590 a Riverside Santa Rosa Mts. road to peak about halfway up. 1219 Comment
  CSUSB2255  Calochortus catalinae Annette Price 1962-4-22 034 Riverside Lake Matthews Lake Matthews area (map drawn on herbarium sheet label). Comment
  UCR1117  Calochortus concolor Kathy Shaffer 1957-5-18 s.n. Riverside San Jacinto Mountains, one mile south of Hwy 74 at the foot of Bautista Canyon 610 Comment
  RSA377366  Calochortus invenustus M. B. Dunkle 1933-7-19 3673 Riverside Upper Tahquitz Valley, San Jacinto Mountains. 2409 Comment
  SEINET4169992  Calochortus splendens Unknown 1979-5-19 Riverside Box Springs Mountains, Reche Canyon, 5.3 mi N. W. of Moreno 610 Comment
  UCR174563  Calochortus splendens Jennifer H. Jones 2006-6-6 388 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; San Juan Loop Trail 'head 598 Comment
  UCR79209  Calochortus weedii var. weedii Steve Boyd, T. S. Ross 1992-6-10 7624 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, near the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek 405 Comment
  JOTR31999  Calycoseris parryi La Doux, Tasha, T. Herskovits, M. Wheeler, D. Shade 2011-4-19 2229 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Queen Valley; Pine City area along Old Queen Valley Historic Road (Stop 1) Comment
  SEINET3004991  Calycoseris parryi G. Rink, M. Baker 2011-4-3 10419 Riverside Northwest of Blythe, east of the McCoy Mtns, small gullies in desert pavement 170 Comment
  UCR279335  Calycoseris wrightii A. C. Sanders, Jim Malusa 2017-3-23 42924 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in U.S. Navy Aerial Gunnery Range, c. 2.3 miles east of Iris Pass 787 Comment
  SDSU17435  Calyptridium monospermum C. Matt Guilliams, Michael and Lori Simpson, Mike Silveira 2007-6-26 376 Riverside San Jacinto Wilderness State Park, on trail to summit ca. 1 km west of Round Valley. Population occurred on both sides of trail, in both disturbed and undisturded habitat. 2896 Comment
  SEINET998494  Calystegia macrostegia A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-1 32520 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. (Murrieta 7.5' Q) 579 Comment
  RSA740941  Calystegia occidentalis subsp. fulcrata Scott D. White, Justin M. Wood 2008-6-18 12244 Riverside San Jacinto Mountains: Meadow N/W of Keen Camp Summit, S/W of hwy 79. 1402 Comment
  UCR18965  Calystegia sepium subsp. binghamiae John C. Roos, L. Roos 1952-6-10 5763 Riverside San Bernardino Valley Region, Fairmont Park in Riverside, edge of lake 259 Comment
  UCD126154  Calystegia sepium subsp. limnophila Mitch Provance; S. D. Boyd 1999-9-14 1780 Riverside Riverside: Riverbottom along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River at the Mission Bridge, along bike path, vicinity of old Boy Scout camp. 320 Comment
  CAS-BOT-BC168227  Camissonia bistorta Abby Sirulnik 2000-4-13 06 Riverside Peninsular Ranges: Southwestern Riverside County Multispecies Reserve, ca. 3 mi NE of Skinner Reservoir 610 Comment
  POM281152  Camissonia bistorta Ethel Rush 1951-4-12 174 Riverside Roadside 5 miles south of Temecula. Hyway 79. 457 Comment
  SEINET7073412  Camissonia bistorta A. G. Vestal 1963-4-23 s.n. Riverside About 0.1 mile east of Corner at the base of Gavilans Hills. Coordinate datum: NAD27. Comment
  SEINET7907971  Camissonia bistorta D. A. Johnson 2005-1 Riverside 1 mi E of CA 74, River Rd between Perris & Lake Elsinore 488 Comment
  UCR107711  Camissonia bistorta A. C. Sanders 1997-3-1 19750 Riverside Box Springs Mountains, Riverside: S end of the range along Gernert Rd. (dirt road paralleling the mountain front), in valley draining to Box Spring Canyon. 457 Comment
  RSA359857  Camissonia bistorta Steve Boyd 1986-4-2 1629 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  SEINET7040154  Camissonia bistorta A. G. Vestal 1962-4-8 Riverside Ca. 3.5 miles north east of Lake Elsinore (Elsinore)on Rt.74. UTM Zone 11, 472765mE, 3731077mN. Comment
  RSA795944  Camissonia boothii subsp. condensata Duncan S. Bell 2009-4-19 276 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  RSA719271  Camissonia brevipes Michael Honer, L. Hulse 2004-4-3 1898 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
  RSA136655  Camissonia brevipes subsp. brevipes Peter H. Raven 1958-2-15 11569 Riverside Chuckwalla Mountains. On slopes above wash, Corn Springs. Comment
  RSA504968  Camissonia brevipes subsp. brevipes D. Charlton 1988-2-18 1150 Riverside Little San Bernardino Mountains. south side of range. Fargo Canyon Road to Cottonwood Wash, S of Joshua Tree National Monument, parallel to I-10. 5 miles E of Junction of Dillon Road and Fargo Canyon Road. 762 Comment
  UCR103556  Camissonia brevipes subsp. brevipes George K. Helmkamp 1998-1-17 2545 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal .3 Comment
  RSA9313  Camissonia brevipes subsp. brevipes P. A. Munz, R. D. Harwood 1920-4-2 3580 Riverside Colorado Desert, near Blythe. 152 Comment
  RSA137350  Camissonia californica David Gregory 1958-4-11 2 Riverside Sandy wash in side canyon off Morongo Canyon, northwestern Colorado Desert. Comment
  RSA777290  Camissonia californica Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4543 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  UCR214325  Camissonia californica A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38385 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  RSA653548  Camissonia campestris Scott D. White 1999-5-24 7400 (unic.) 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
  UC56475  Camissonia campestris subsp. campestris H. M. Hall April, 1902 2917 Riverside vicinity of Winchester 457 Comment
Read comments
Mar 20 2011
  CAS-BOT-BC174795  Camissonia cardiophylla Steve Boyd; Tammy Morgan; Aydee Virgen; Sarah DeGroot; Valentin Arvizu; Tim Thibault 2004-5-14 11240 Riverside Colorado Desert: Chocolate-Chuckwalla Mountains region: Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at... Comment
  UCR118642  Camissonia claviformis George K. Helmkamp 1998-4-3 3081 Riverside Sonoran (Colorado) Desert/San Jacinto Mtns., Snow Creek area north of Mt. San Jacinto; at edge of stream south of Snow Creek Rd at a point 1.4 mi. south of Calif. Hwy 111 396 Comment
  POM201060  Camissonia claviformis subsp. aurantiaca Carl B. Wolf 1932-5-25 3682 Riverside San Gorgonio Wash, on road to Snow Creek 366 Comment
  POM67088  Camissonia claviformis subsp. aurantiaca Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA790629  Camissonia claviformis subsp. aurantiaca Aaron C. Sedgwick, David Fraker 2012-4-24 5 Riverside In the Palen Valley south of Hwy. 10 on Dupont Rd., ca. 2 mi. northeast of the Chuckwalla Mountains Wilderness Area. 183 Comment
  SEINET3093239 Image available Camissonia confusa A. C. Sanders 1986-6-1 6535 Riverside San Jacinto Mountains, upper part of the trail toward Spitler Peak from Hurkey Creek camp to Bonita Vista Road. Comment
  UCR35217  Camissonia confusa L. B. Ziegler 1969-4-22 356 Riverside San Jacinto Mtns., Hemet Valley. On lower slopes of hills in E side of valley. 1433 Comment
  UCR99184  Camissonia confusa S. J. Myers 1991-4-15 91- 2 Riverside City of Banning, west of Fields Road, north of I-10 and south of the Morongo Indian Reservation. 671 Comment
  POM48990  Camissonia hirtella P. A. Munz, I. M. Johnston 1924-7-29 8846 Riverside 6 miles SE of Poppet Flat, San Jacinto Mountains. 1524 Comment
  UCR199921  Camissonia hirtella Scott D. White, Justin Wood 2008-4-16 11882 Riverside Perris/Elsinore Basin, hills to the west of I-215 and south of Scott Rd. 549 Comment
  POM6638  Camissonia ignota P. A. Munz 1918-4-27 2162 Riverside Near Corona. Comment
  RSA186737  Camissonia ignota Peter H. Raven 1962-3-14 16906 Riverside East limits of Homeland. Comment
  RSA527859  Camissonia ignota Scott D. White 1991-5-10 91 -150 Riverside Hwy 79, immediately W of U. S. Forest Service campground at Dripping Springs. 549 Comment
  RSA652352  Camissonia pallida subsp. pallida Marion P. Harthill 1973-2-17 1570 Riverside Snow Creek, Palm Springs 366 Comment
  POM98819  Camissonia refracta P. A. Munz 1926-1-31 9947 Riverside Dos Palmos [Palmas] Spring. Comment
  RSA735318  Camissonia refracta Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11283 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  UC1979872  Camissonia refracta Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy, Naomi Fraga 2011-3-17 765 Riverside Colorado Desert; Chocolate-Chuckwalla Mountains region: Mecca Hills, Shaver's Well Adjacent to Box Canyon Road, Shaver's Wash just west of Mecca Copia Trail. Comment
  POM99019  Camissonia refracta E. C. Jaeger 1926-3-26 s.n. Riverside Eagle Mts. Comment
  RSA740955  Camissonia strigulosa Scott D. White, Justin M. Wood 2008-6-18 12226 Riverside San Jacinto Mountains: K Flat Meadow. 1433 Comment
  SD185266  Camissoniopsis bistorta T. B. Salvato, Kent Beaman 2005-5-16 802 Riverside San Jacinto River east of Valle Vista, just downstream from the Forest Service boundary and north of CA Highway 74. 548 Comment
  SD254655  Camissoniopsis confusa B. Pitzer 1997-3-23 2993 Riverside Perris Aguanga Basin Region: Lakeviwer Mountains, ca.1 air mile SSW of Mt. Rudolph, along powerline road 0.3 mile E of Contour (Juniper Flats) Road (Lakeview 7.5'Q) 609 Comment
  SD39522  Camissoniopsis confusa Edith A. Purer 1935-4-21 6449 Riverside Pine Valley; Pines to Palms Highway. Comment
  OBI29872  Camissoniopsis ignota Melissa Luckow, Rhonda Riggins 1982-4-15 829 Riverside Hwy 371, 1.2 mi N of jctn with hwy 79 in Aguanga Comment
  SD185272  Camissoniopsis pallida A. C. Sanders, J.. Dice, K. C. Rose, D. Woodard 1995-3-19 16160 Riverside San Jacinto Mountains foothills/Sonoran (Colorado) Desert; Coachella Valley; alluvial fan of Chino Canyon along the Palm Springs tram road, N of the road, 11 telephone poles above Hwy 111/Palm Canyon Drive (Palm Springs 7.5'Q) 299 Comment
  RSA0120230  Camissoniopsis pallida subsp. pallida Duncan S. Bell, Thomas Stoughton 2016-4-14 9288 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
  UC279689  Camissoniopsis pallida subsp. pallida Edmund C. Jaeger 1925-12-19 Riverside near Palm Springs; Eagle Canyon 106 Comment
  RSA593884  Capsella bursa-pastoris Steve Boyd, Dave Bramlet 1996-4-19 8616 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  RSA5009  Cardamine californica var. integrifolia C. B. Wolf 1932-3-20 9 Riverside Richman Ranch, 2.5 miles north of De Luz. 457 Comment
  UCR109466  Cardamine parviflora A. C. Sanders 1995-2-6 15915 Riverside City of Riverside, UCR campus 367 Comment
  UCR169314  Carex T. B. Salvato, John F. Green 2004-5-27 603 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
  SD232128  Carex athrostachya Scott D. White, Justin M. Wood 2008-6-18 12222 Riverside San Jacinto Mountains: K Flat Meadow. 1433 Comment
  RSA711763  Carex densa A. C. Sanders 2004-4-20 27567 Riverside Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line. 640 Comment
  POM12144  Carex fracta Mary F. Spencer 1921-6-15 1686 Riverside Idyllwild, San Jacinto Mt. 1616 Comment
  UCR108996  Carex globosa D. L. Banks 1997-3-29 1563 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
  UC146421  Carex heteroneura Charlotte M. Wilder 1909-7-11 915 Riverside Round Valley, San Jacinto Mts. Comment
  RSA92097  Carex nebrascensis F. W. Peirson 1924-7-27 5002 Riverside South side of Dark Canyon, San Jacinto Mountains. 2499 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
  CAS-BOT-BC117860  Carex sartwelliana D. E. Breedlove 1961-7-29 872 Riverside Fuller Mill Creek where it crosses Riverside Hwy # 1. San Jacinto Mountains. 1645 Comment
  CAS-BOT-BC117865  Carex sartwelliana S. Parish 1892-1-1 s.n. Riverside San Jacinto Mountains. Comment
  SD112274  Carex sartwelliana Darley F. Howe 1941-6-8 1293 Riverside San Jacinto Mountains, Strawberry Creek. Comment
Read comments
Aug 21 2007
  POM47442  Carex senta Mary F. Spencer 1919-7-6 1263 Riverside Tacquitz [Tahquitz] Meadow, San Jacinto Mountains. 2378 Comment
  UCR20513  Carex senta H. A. Zuill 1966-4-1 111 Riverside Peninsular Range, Tenaja Canyon, c. 10 mi WSW of Murrieta Comment
  SEINET7042770  Castilleja exserta W. P. Vestal, A. G. Vestal 1955-3-25 s.n. Riverside Road shoulder on Long Valley Road north of Tecula. Ca. 0.1 mile east of U.S. 395 [=Interstate 15 & Route 79]. Comment
  UCR201646  Castilleja exserta subsp. exserta Scott D. White, Justin M. Wood 2008-6-5 12061 Riverside San Jacinto Mountains, Quinn Flat Meadow 1396 Comment
  UCR108395  Castilleja foliolosa D. L. Banks, V. W. Steinmann 1997-3-13 1464 Riverside NW Palomar Mtns, Agua Tibia Mtns: Vail Lake Area, N and south of Hwy 79. The hills east of Dripping Springs Alcove and west of Vail Lake Marina Road, that were burned in the Vail fire of May 1996. 549 Comment
  UCR39195  Castilleja foliolosa M. L. Rosczyk, G. K. Helmkamp 1985-4-4 231 Riverside Little San Bernardino Mtns/ Sonoran (Colorado) Desert, The Nature Conservancy's Big Morongo Preserve, south of Morongo Valley. Main canyon, one-half mi. below the BLM gate 518 Comment
  UCSB39073  Castilleja foliolosa Jorgensen, Jan 1982-3-23 Riverside 3 kilometers up road to aerial tramway; Palm Springs 120 Comment
  RSA783626  Castilleja martinii J. D. Olmsted 1962-5-3 3495 Riverside Where Thomas Mt. road turns East along SW flank of north peak. 1768 Comment
  UCR44228  Castilleja martinii A. C. Sanders 1986-6-1 6567 Riverside San Jacinto Mtns., trail to Spitler Peak from the Herkey Creek Camp to Bonita Vista road [=Apple Canyon Rd.] 1829 Comment
  UCR193419  Castilleja minor subsp. spiralis A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35630 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  CAS-BOT-BC38138  Caulanthus amplexicaulis E. A. McGregor 1941-6-12 2 Riverside San Gabriel Mountains. Idyllwild. Comment
  SBBG101780  Caulanthus heterophyllus S. Boyd with T. Ross, M. Hammitt 1991-5-2 6022 Riverside SW and W flanks of Billy Goat Mtn, 3 mi N of Hwy 79, 1 mi W of Hwy 371, N of Aguanga 600 Comment
  SBBG2587  Caulanthus lasiophyllus H. and M. Dearing 1936-12-12 507 Riverside N of Indio Comment
  RSA398818  Ceanothus cordulatus Elbert Benjamine 1929-5-19 211 Riverside Mt. San Jacinto. Comment
  POM262870  Ceanothus crassifolius J. C. Roos 1941-2-1 225 Riverside south of the ''Plateau'', Reche Canyon. Comment
  RSA501020  Ceanothus crassifolius Steve Boyd, Tim S. Ross, L. Arnseth 1989-4-1 3139 Riverside Vail Lake area, ridge-top of volcanic substrate w/clay soil, 2 mi W of dam, at edge of escarpment E of Pauba Valley. 518 Comment
  RSA570227  Ceanothus crassifolius Steve Boyd, Tim S. Ross 1993-3-23 7896 Riverside Palomar Range south of Vail Lake at the north base of Agua Tibia Mountain, Agua Tibia Wilderness Area, Cleveland National Forest. Along trail extending south from end of Woodchuck Road, 610 Comment
  UC1070667  Ceanothus greggii R. St. John 1929-11-1 19 Riverside Milliard Canyon San Jacinto quad. 914 Comment
  SD229243  Ceanothus greggii var. perplexans Dick Schwenkmeyer 2012-8-6 767 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
  CLARK-A1528-3895  Ceanothus leucodermis John C. Roos 1952-4-23 5574 Riverside Highgrove Comment
  POM305369  Ceanothus leucodermis Henry J. Ramsey 1938-3-26 649 Riverside Temecula. Comment
  SD137646  Ceanothus ophiochilus Steve Boyd, Darin Banks 1995-2-16 8404 Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain on break in slope on ridegline east of the upper end of the old Woodchuck Truck Trail road grade, just north of San Diego County line 1096 Comment
  UCR68476  Ceanothus ophiochilus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3097 Riverside Peninsular Range, Vail Lake area, 1 mi. west of lake 640 Comment
  LA44886  Ceanothus palmeri Norman C. Cooper; 1944-6-17 1416 Riverside San Jacinto Mountains, above Banning 975 Comment
  POM312128  Ceanothus palmeri N. C. Cooper 1944-6-17 1416 Riverside Above Banning. Roadside. 976 Comment
  UCR20555  Ceanothus palmeri W. W. Mayhew 1977-6-27 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1921 Comment
  SBBG68316  Ceanothus perplexans M. N. Ackley 1928-4-4 929 Riverside Moreno Grade 762 Comment
  RSA678975  Ceanothus tomentosus Scott D. White, Michael Honer 2003-6-3 9452 Riverside Santa Ana Mountains: Near Rainbow Valley. West of the I-15 Freeway and immediately north of the San Diego County boundary. 335 Comment
  UCR46712  Ceanothus tomentosus D. C. Hawks 1987-3-2 s.n. Riverside Peninsular Range; San Jacinto Mtns. Region, south of Hemet, [near confluence of Pixley Canyon and Goodhart Canyon] intersection of Palm Ave. and Saddle Ridge Rd. 473 Comment
  RSA398968  Ceanothus tomentosus var. olivaceus M. V. Hood 1945-3-28 s.n. Riverside Summit of grade between Hemet and Hwy. 71 just of Hwy. 79. Comment
  UCR42633  Cenchrus echinatus David J. Keil 1980-11-30 s.n. Riverside Sonoran (Colorado) Desert, Vicinity of Indio, agricultural area 15 Comment
  CDA7297  Centaurea X pouzinii T. C. Fuller 1962-6-6 8846 Riverside South entrance to Fuller Rancho, ca. 5 miles north of Corona. 0 Comment
  SEINET3094376 Image available Centaurium calycosum L. A. McGill, H. S. Gentry 1979-5-25 2555 Riverside Murrieta; Howard Scott Gentry Experimental Research Ranch. Comment
  HSC80293  Centromadia pungens subsp. laevis Steve Boyd 1985-8-7 1114 Riverside Murrieta area, Clinton Keith Rd. near (just E of) Bear Creek golf course Comment
  UCR266284  Centromadia pungens subsp. laevis D. E. Bramlet 2005-5-24 3863 Riverside Perris-Aguanga Basin Region, Temecula, corner of Jefferson Ave. and Cherry St. 319 Comment
  UC1329991  Centrostegia thurberi var. thurberi James E. Cole 1941-5-29 816 Riverside Joshua Tree National Monument, Stubby Spring Road Joshua Tree National Monument; , Stubby Spring Road 1432 Comment
  HSC78735  Cerastium glomeratum A. C. Sanders, T. Glenn 1983-4-17 3738 Riverside Mesa de Colorado, Santa Ana Mtns., 5 mi. SW of Murrieta 612 Comment
  UCR158265  Cerastium glomeratum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30112 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
  RSA11596  Cercidium floridum C. Epling, Wm. Robison 1933-6-24 s.n Riverside Collected near Indio. Comment
  RSA27030  Cercidium floridum C. L. Hitchcock 1940-3-29 5844 Riverside 12 miles east of Indio. Comment
  RSA171391  Cercocarpus betuloides J. D. Olmsted 1962-3-5 3490 Riverside Ravine at edge of Thomas. Mt. fire road south of Hemet Lake, NE flank of Thomas Mt.. 1418 Comment
  UC1366083  Cercocarpus betuloides var. betuloides Nancy Ryan Zabriskie and Walter Zabriskie 1969-7-5 216 Riverside Idyllwild, Pine Cove, near fier road beyond s end of Marion Ridge Road Pine Cove; Idyllwild, Pine Cove 1828 Comment
  RSA192311  Cercocarpus minutiflorus H. A. Zuill 1966-7-17 287 Riverside Tenaja Grade, about 1 mile SW Murrieta Comment
  RSA561080  Cercocarpus minutiflorus Steve D. Boyd, Orlando Mistretta 1992-4-22 7005 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  SBBG87840  Chaenactis carphoclinia A. C. Sanders, B. Pitzer 1986-3-3 6110 Riverside Corn Spring, wash below the spring and wash and rocky slopes to the S Chuckawalla Mtns, T6S, R16E, S28 487 Comment
  OBI23318  Chaenactis fremontii Robert F. Hoover 1969-4-14 11228 Riverside Palm Springs, just S of South City limit Comment
  POM13016  Chaenactis fremontii Philip A. Munz, D. D. Keck 1922-4-14 4970 Riverside 10 miles W of Indian Wells 107 Comment
  UC894461  Chaenactis fremontii I. W. Clokey and B. C. Templeton 1930-4-9 4699 Riverside n of Palm Springs; Colorado Desert 170 Comment
  UCR208481  Chaenactis fremontii Justin M. Wood 2009-3-26 411 Riverside Coachella Valley, Bermuda Dunes, Ave 38, between Washington St and Hwy I-10 43 Comment
  UCR213904  Chaenactis glabriuscula Scott D. White, Justin M. Wood 2009-5-22 12910 Riverside San Jacinto Mountains, Idyllwild area, 'Strawberry Fuelbreak' between Strawberry Creek and road to sewage ponds 1456 Comment
  RSA763054  Chaenactis glabriuscula var. glabriuscula E. W. Lathrop 1968-5-22 6943 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  RSA522709  Chaenactis glabriuscula var. lanosa Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-29 3895 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
  RSA13799  Chaenactis parishii Victor Duran 1933-7-1 3492 Riverside Near Santa Rosa. Santa Rosa Mountains 1829 Comment
  UC456027  Chaenactis parishii I. J. Condit 1910-6-22 Riverside San Jacinto Mts. 2438 Comment
  CAS-BOT-BC284349  Chaenactis stevioides H. M. Hall 1905-5-1 6099 Riverside Ash Hill, Colorado Desert Comment
  RSA644304  Chaenactis stevioides A. C. Sanders 1992-4-5 12161 Riverside Colorado Desert: Chuckwalla Valley, near Wiley's Well rest area on I-10, along dirt road to McCoy Spring. 122 Comment
  UCD20138  Chaenactis stevioides Donald W. Kyhos 1976-3-17 67 -8 Riverside Along Twentynine Palms Highway, at Riverside- San Bernardino County line. Comment
  RSA0127782  Chaenactis stevioides G. Rink 2013-3-17 11864 Riverside About ten miles west of Blythe, on the proposed Quartzite solar power plant. 125 Comment
  SBBG4020  Chamaesyce micromera H. and M. Dearing 1936-12-25 946 Riverside Thousand Palms Cyn Comment
  RSA778320  Chamaesyce micromera Amber Swanson, Kyle Dexter 2011-10-8 633 Riverside Sandy flats N off of Blythe Rice Rd. 237 Comment
  UCR260958  Chamaesyce ocellata subsp. arenicola Duncan S. Bell 2013-1-30 4444 Riverside Sonoran (Colorado) Desert, the Mecca Hills, an unnamed canyon between Thermal Canyon and Painted Canyon, just to the west of Mecca Hills Peak 1642 138 Comment
  RSA0104636  Chamaesyce polycarpa Duncan S. Bell, Evan Meyer 2014-10-28 7662 Riverside Santa Rosa Mountains; at the foot of the mountains between Toro Canyon and Martinez Canyon. 169 Comment
  RSA433  Chamaesyce polycarpa var. hirtella J. T. Howell 1927-4-1 521 Riverside Near Mission Creek, Colorado Desert 457 Comment
  RSA611960  Chamaesyce polycarpa var. polycarpa L. C. Wheeler 1952-10-30 7011 Riverside University of California at Riverside: Citrus Experimental Station. Comment
  RSA599292  Chamaesyce serpillifolia subsp. hirtula L. C. Wheeler 1945-10-7 6144 Riverside San Jacinto Mountains. Fuller Mill Creek, North Fork San Jacinto River. 1828 Comment
  POM253440  Chamaesyce setiloba Thos. Craig, Frances Craig 1939-11 s.n. Riverside Aguanga. Comment
  RSA70392  Chamaesyce setiloba F. W. Peirson 1928-4-24 7910 Riverside Below Cottonwood Springs, Eagle Mountains. Northern Colorado Desert. Comment
  IRVC3123  Cheilanthes clevelandii R. H. Whittaker, W. A. Niering 1963-6-2 SJ 172 Riverside Mountain Center-Hemet Highway [74]. Peninsular Ranges, San Jacinto Mountains 1128 Comment
  RSA125298  Cheilanthes clevelandii P. H. Raven 1958-5-17 12933 Riverside 3.4 miles south-east of Banning on road to Idyllwild, San Jacinto Mountains Comment
  RSA320393  Cheilanthes clevelandii B. Busenberg, Walter Wisura 1984-10-19 4025 Riverside Ca. 4 mi fr. I 10 at Banning, along road to Idyllwild Comment
Read comments
Dec 4 2014
  UC218680  Cheilanthes clevelandii P. A. Munz 1922-4-29 5116 Riverside 5 mi w Aguanga Comment
  UCR132352  Cheilanthes newberryi Michael D. Wilcox 2003-5-13 s.n. Riverside French Valley, 'Greenway site' along Tucalota Creek c. 1 mile east of Murrieta Hot Springs 427 Comment
  UCR90966  Cheilanthes newberryi Scott D. White 1996-3-23 3842 Riverside Perris Basin, Santa Rosa Hills, SE of Hemet, Loomis property, 'Friendly Hills Ranch 610 Comment
  JOTR34127  Cheilanthes parryi Andre, Jim, T. La Doux, R. B. Kelley 2011-5-4 21085 Riverside Joshua Tree National Park. Long Canyon, up side canyon approx. 400 m. west of main canyon drainage. 1171 Comment
  RSA666517  Chenopodium Mitch Provance 2000-10-28 2269 Riverside Sunnyslope, residential areas near the Ormand Quarry. 274 Comment
  RSA781298  Chenopodium Mitch Provance 2000-12-10 2284 Riverside Jilberto s Mexican Restaurant, c. 0.5 miles west of Hwy 215 on University Ave. 299 Comment
  SEINET5544053  Chenopodium album H. S. Gentry 1954-1 14247 Riverside Near Aguanga. Comment
  RSA523512  Chenopodium californicum Steve Boyd, Timothy S. Ross, L. Arnseth 1990-3-30 3970 Riverside Vail Lake area, valley between Black Hills & Rocky Ridge. 701 Comment
  UCR113116  Chenopodium murale A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16076 B Riverside Sonoran (Colorado) Desert, Coachella Valley, agricultural area along Ave. 78, 0.4 mi west of Hwy 86 and1.5 mi NW of Oasis, east of Filmore St. -37 Comment
  UCR256891  Chenopodium murale Duncan S. Bell, Evan Meyer 2014-4-2 6492 Riverside Sonoran (Colorado) Desert, Orocopia Mountains Wilderness boundary, southern section of range; c. 0.4 air mile south of Canyon Spring 352 Comment
  CDA3099  Chenopodium strictum Mitch Provance 2000-11-2 2296 Riverside Reid Park, ca. 0.5 mile SW of the corner of Placentia Ln. and Orange Street, North Riverside. Comment
  UCR163883  Chilopsis linearis B. G. Pitzer 2001-8-19 4340 Riverside Peninsular Range; Santa Rosa Mountains, Carrizo Canyon, sheep guzzler c. 0.5 mi. SW of where Hwy 74 crosses canyon 701 Comment
  UCSB50076  Chilopsis linearis Millett, Barbara 1980-5-18 Riverside Corn Springs Wash, Corn Springs Road, 8 miles southwest of junction with Chuckwalla Road 457 Comment
  SEINET12267883  Chilopsis linearis Unknown 1936-1 12874 Riverside Colorado Desert N of Palm Springs Comment
  RSA701160  Chilopsis linearis subsp. arcuata Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11264 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage.Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  UC1125579  Chilopsis linearis subsp. arcuata H. S. Yates 1937-6-28 6739 Riverside near Palm Springs; San Jacinto Quad. 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
  POM78160  Chloris virgata F. M. Reed 1925-8-10 5136 -B Riverside Granite Hill Ranch, near Glen Avon. 183 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
  RSA587579  Chlorogalum parviflorum Darin L. Banks, Steve Boyd 1995-6-2 578 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail immediately S of the wilderness boundary gate, W of the Dripping Springs Alcove Area. 633 Comment
  JEPS57597  Chorizanthe brevicornu var. brevicornu W. L. Jepson 1901-5-22 1389 Riverside Palm Canyon Mount San Jacinto, Palm Canyon Comment
  SEINET7048175  Chorizanthe brevicornu var. brevicornu Steven R. Hill 2001-5-3 33681 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  UCR97471  Chorizanthe coriacea B. G. Pitzer 1997-3-23 2979 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  UCR167204  Chorizanthe corrugata S. J. Myers 2005-3-24 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, east of N end of Salton Sea, along Coachella Canal 12 Comment
  UCR175062  Chorizanthe fimbriata Teresa Nieto 2005-5-26 33 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  CAS-BOT-BC191307  Chorizanthe fimbriata var. laciniata Philip A. Munz 1937-5-31 15116 Riverside below Anza Tablet at head of Coyote Canyon, SW Riverisde county 1005 Comment
  POM14995  Chorizanthe leptotheca Mary F. Spencer 1922-6-24 1975 Riverside Tahquitz trail pr. Idyllwild. 1829 Comment
  UC72686  Chorizanthe leptotheca Miss M. A. King 1893-1 Riverside Menifee Comment
  VVC1505  Chorizanthe leptotheca A. C. Sanders, PJ MacKay, Tim Thomas, O Clarke 1997-5-4 20679 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek drainage, dry slopes above Brown Creek. 915 Comment
  UCR174384  Chorizanthe parryi var. parryi A. C. Sanders 2006-5-19 32415 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
  UCR214301  Chorizanthe parryi var. parryi A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38397 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, along dirt extension of Lake St., c. 1.0 mi. NNE (04 deg. ) of intersection of I-15 and Lake St. 503 Comment
  POM13609  Chorizanthe rigida E. C. Jaeger 1921-04 1136 Riverside Chuckawalla Bench. Comment
  UCR65283  Chorizanthe staticoides Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3864 Riverside Peninsular Range, Vail Lake area, cinder cone ridge at north side of mouth of Temecula Creek Canyon and adjacent benches on S flank of 'Big' Oak Mtn. 549 Comment
  UCR50298  Chrysopsis villosa B. G. Pitzer, J. L. Hall, H. P. Hall 1987-5-23 0567 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
  RSA0031747  Chrysothamnus paniculatus Orlando Mistretta, Duncan S. Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4553 Riverside Transverse Ranges, San Bernardino Mountain region: Whitewater Cyn. 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. 526 Comment
  RSA117699  Chrysothamnus teretifolius S. Carlquist 1958-3-30 429 Riverside Along Morongo Valley to Lucerne Valley Road, on San Bernardino - Riverside County line Comment
  UCD103716  Chylismia brevipes LeRoy Gross; Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1408 Riverside Colorado Desert. Chocolate-Chuckwalle Mountains region. Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 479 Comment
  SBBG6278  Chylismia claviformis T. L. Secrest 1948-4-7 Riverside 5 mi below Whitewater 274 Comment
  CAS-BOT-BC160602  Chylismia claviformis subsp. aurantiaca Carl B. Wolf 1937-4-6 8425 Riverside Colorado Desert. Coachella Valley, 2 mi. NE. of Edom 30 Comment
  UC1922415  Chylismia claviformis subsp. aurantiaca Naomi Fraga, Sarah J. De Groot, Lisa Rojas, Leland Lubinsky 2005-2-10 1424 Riverside Colorado Desert; Northeastern Colorado Desert region; Along Palen Road near Hwy 177. 170 Comment
  UC873936  Chylismia claviformis subsp. aurantiaca Ira L. Wiggins 1937-3-9 8764 Riverside dunes 20 mi n Indio Comment
  CLARK-A1528-1777  Cirsium occidentale John C. Roos 1952-4-13 5523 Riverside Box Springs Mountains 487 Comment
  JEPS30448  Cirsium occidentale var. californicum Donald Kyhos 1958-5-16 58 -186 Riverside 1 mi up road toward Mount Santa Rosa summit; San Jacinto Mts. Comment
  SEINET232559  Cirsium occidentale var. californicum A. C. Sanders, B Pitzer 1987-4-21 7048 Riverside Box Springs Mountains near southernmost radio towers (Riverside East Quad) 792 Comment
  CAS-BOT-BC438861  Cistanthe monandra Mrs. H. C. Cantelow 1935-3-20 697 Riverside Palm Springs Canyon Comment
  POM226887  Cistanthe monandra L. R. Abrams 1935-4-7 13670 Riverside Gavilan Hills, 2 mi. SW. of Perris. Comment
  RSA12918  Cistanthe monandra C. B. Wolf 1935-4-7 6308 Riverside 2 miles SW of Perris, in the Gavilan region. 427 Comment
  RSA714629  Citrullus colocynthis Mitch Provance 2003-5-25 s.n. Riverside Santa Ana River Valley: north side of Ab Brown Park, along Placentia Lane 0.5 mi. SW of the La Loma Hills. 255 Comment
  UCR6156  Clarkia epilobioides Galen R. Hunsicker 1967-5-18 s.n. Riverside Base of Box Springs Mtns., University of California, Riverside campus, just above new Physical Sciences parking lot near SW corner. Comment
  POM13122  Clarkia purpurea subsp. quadrivulnera P. A. Munz 1922-5-19 5333 Riverside 5 miles NE of Murietta. 488 Comment
  UC58849  Clarkia purpurea subsp. quadrivulnera H. M. Hall June 1897 593 Riverside Riverside Comment
  UCR182534  Clarkia purpurea subsp. quadrivulnera Mitch Provance 2003-4-17 4631 Riverside San Bernardino Valley, Riverside, W base of Box Springs Mts., Big Springs Arroyo, N. side of Big Springs Rd., west of the railroad tracks 360 Comment
  UCR97289  Clarkia purpurea subsp. quadrivulnera S. J. Myers 1995-6-9 s.n. Riverside Peninsular Range, Lake Elsinore, 0.5 mi south of intersection of Grand Ave. and Ortega Hwy (State Hwy 74) 457 Comment
  UC20041  Clarkia rhomboidea Geo. F. Reinhardt June 1897 Riverside San Jacinto Mountains Comment
  RSA572984  Clarkia similis Steve Boyd 1986-4-19 1705 Riverside Temescal Canyon: E side of Indian Wash between I-15 and Temescal Canyon Road. Comment
  CLARK-A1528-5356  Clarkia unguiculata John C. Roos, Lucille Roos 1952-4-28 5587 Riverside Riverside 259 Comment
  UCR124325  Clarkia unguiculata C. J. Harker 1969-5-19 20 Riverside San Bernardino Valley/Peninsular Range, Riverside, Fairmont Park [probably North Hill, on south side of park -- ACS, '99] 244 Comment
  RSA759272  Claytonia parviflora Robt Allen, Lorrae Fuentes 2008-4-10 s.n. Riverside San Juan Canyon watershed. Along Bear Canyon Trail, 0.08 air mi. SSE of the trailhead near Ortega Hwy. 628 Comment
  POM307267  Claytonia parviflora subsp. parviflora Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2119 Riverside Santa Rosa Mountains. Comment
  RSA469299  Claytonia parviflora subsp. parviflora N. R. Zabriskie 1973-5-6 626 Riverside S side stream below North anyon, Andreas Canyon, E slope San Jacinto Mountains. 351 Comment
  UCR200687  Claytonia parviflora subsp. parviflora Steve Boyd, Aydee Virgen 2004-4-13 10882 Riverside Peninsular Ranges/Santa Ana Mtns region, San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon Comment
  CAS-BOT-BC439711  Claytonia parviflora subsp. viridis Steve Boyd; Tim Ross; Laurel Arnseth 1990-3-30 3943 Riverside Vail Lake area, summit of 'Big' Oak Mtn, N. of lake. Saddle between summits, N slope along rd heading N to Black Hills. 792 Comment
  UCR166159  Claytonia perfoliata John F. Green 2005-2-10 s.n. Riverside Peninsular Range, E of Temecula, Rancho California, SE of intersection of Mesa Verdugo and Calle Vista, N of Pauba Valley and south of Buck Mesa 430 Comment
  RSA291596  Clematis pauciflora C. W. Tilforth, Walter Wisura 1979-4-11 1787 Riverside Hills on south side of Lake Skinner, east of Murrieta. 427 Comment
  UCR89875  Clematis pauciflora Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-6-16 3342 Riverside Peninsular Range; Santa Ana Mns., Proposed pipeline route; Lake Elsinore Pumped Storage Hydroeletric Project. west of Lake Elsinore, SE of Hwy 74 915 Comment
  UCSB10606  Clematis pauciflora Gill, Robert 1960-3-23 Riverside San Jacinto Mt. Range; Snow Cayon; near end of road 563 Comment
  NY43294  Cleome isomeris C. R. Annable 1995-3-11 2268 Riverside Rest stop on I-10 Comment
  RSA699997  Collinsia bicolor Jeanne Paxton 1934-4-15 s.n. Riverside Hagador Canyon Comment
  RSA0117449  Collinsia concolor Scott D. White, Justin M. Wood 2008-6-18 12215 Riverside San Jacinto Mountains: K Flat Meadow. 1433 Comment
  CAS-BOT-BC334451  Condalia globosa var. pubescens A. C. Sanders; Tim Thomas; T. B. Salvato 2012-11-1 40508 Riverside Sonoran (Colorado) Desert: Chuckwalla Bench, S of the Chuckwalla Mtns., along Bradshaw Trail 1 km SE of Augustine Rd. junction, large wash on SW side of road 695 Comment
  HSC27841  Condalia globosa var. pubescens Richard Spjut 1973-5-3 3344 Riverside Colorado Desert, canyon in Chuckawalla Mtns. NW of Corn Springs 610 Comment
  SBBG87666  Condea emoryi D. Charlton 1988-2-18 1188 Riverside S side of Cottonwood Wash, 5 mi E of jct Dillon Rd and Fargo Cyn Rd 762 Comment
  SBBG101645  Convolvulus simulans S. Boyd with T. Ross 1991-6-14 6405 Riverside Paloma Valley, between Sun City and Murrieta, E of Hwy I-215, just SW of jct of Briggs Rd and Scott Rd Comment
  POM10307  Conyza bonariensis F. M. Reed 1907-9-9 1906 Riverside Roadside on Chicago Ave Comment
  RSA0011002  Cordylanthus rigidus subsp. setiger Duncan S. Bell, Colleen Wheeler 2010-7-19 1623 Riverside San Bernardino National Forest: Garner Valley, in the vicinity of Tool Box Spring trailhead, approximately 3 air miles southeast of junction of forest service road 6S04 and forest service road 6S13. 1386 Comment
  RSA296157  Cordylanthus rigidus subsp. setiger Barry A. Prigge 1980-8-5 3828 Riverside Whitewater Canyon; 0.5 mile N of trout farm. 701 Comment
  POM356005  Coreopsis californica Ora M. Clark 1929-4-6 1943 Riverside South of Hemet. Comment
  RSA612812  Coreopsis californica D. L. Banks 1997-3-1 1357 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation. Pechanga Creek, east of the Fiesta Grounds to the spring on the northern fork of Pechanga Creek at the eastern end of the Reservation. 423 Comment
  RSA450483  Corethrogyne filaginifolia J. C. Roos 1965-8-19 s.n. Riverside Beaumont. Comment
  RSA293512  Corethrogyne filaginifolia var. bernardina C. W. Tilforth, Walter Wisura 1979-8-8 1892 Riverside Along Hiway 243, 5.6 mi. south of jct. with Hiway 10, s. of Banning. 1037 Comment
  UC218222  Cornus glabrata P. A. Munz 1922-6-24 5806 Riverside Hemet Valley, Pipe Creek San Jacinto Mts., Hemet Valley, Pipe Creek 1524 Comment
  RSA249866  Cornus sericea subsp. occidentalis R. F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38153 Riverside San Bernardino National Forest. Lake Fulmor 1677 Comment
  UCR51857  Coronopus didymus Steve Boyd 1987-5-9 2085 Riverside Riverside, J.V. Boyd Residence, 2307 Oak Crest 366 Comment
  RSA0104911  Crassula connata Duncan S. Bell, Rachel Darney-Lane, Evan Meyer 2015-2-24 7752 Riverside Morongo Canyon Preserve; collecting in Little Morongo Canyon, just below (south of) the San Bernardino/Riverside county border. 563 Comment
  RSA593888  Crassula solieri Steve Boyd, Dave Bramlet 1996-4-19 8611 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Avenue, N of Stetson Avenue, W of the Metropolitan Water District canal. 457 Comment
  UCR110399  Cressa truxillensis A. C. Sanders, D. Bramlet, Mihai Costea, T. B. Salvato 1999-10-15 23182 Riverside San Jacinto Valley, Mystic (San Jacinto) Lake, 1 mile west of Jackrabbit Trail on Gilman Springs Rd., 0.4 mi. west of Quail Lake Golf C. entrance, 2 mi. WNW of Eden Hot Spr. 436 Comment
  NY268568  Crossosoma bigelovii S. B. Parish 1896-4-4 4185 Riverside Palm Springs, (Agua Caliente,) desert base of San Jacinto Mt. 152.4 Comment
  UCR243566  Crossosoma bigelovii Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21093 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, upper watershed on east ridge, 1.1 mi south of radio tower, c. 6 mi. south of town center of Yucca Valley 1207 Comment
  HSC27844  Croton californicus R. W. Spjut 1973-4-13 3298 Riverside Colorado Desert, within the city limits of Palm Springs just N of the metropolitan area on Palm Canyon Drive, Hwy. 111 122 Comment
  HSC7964  Croton californicus H. E. Parks, S. T. Parks 1938-2-7 24100 Riverside Valle Vista 518 Comment
  SD38453  Croton californicus Edith A. Purer 1935-4-21 6454 Riverside Desert floor, western Colorado Desert. Comment
  SEINET6062496  Croton californicus S. B. Parish Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  UCSB3576  Croton californicus Kamb, Peter 1948-2-1 Riverside Valley in the Jurupa Mts. west of Colton, San Bernardino/Riverside County 304 Comment
  SEINET11263871  Croton setiger T. B. Salvato, Melissa Clemons 2005-6-23 1287 Riverside Penninsular Range, Temescal Valley, Alberhill, instersection of Lake Street and Walker Canyon Drive, N of Hwy I-15, at bsse of Walker Canyon (Alberhill 7.5' Q); 0 378 Comment
  UCR153B  Croton setiger O. F. Clarke 1968-3-25 s.n. Riverside Riverside, UCR campus 396 Comment
  POM368199  Cryptantha angustifolia T. W. Minthorn 1926-5-14 s.n. Riverside Between Banning and Palm Springs. 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
  RSA778625  Cryptantha angustifolia Duncan S. Bell 2009-3-8 66 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
  UCR100868  Cryptantha angustifolia George K. Helmkamp, E. A. Helmkamp 1998-2-18 2706 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  JEPS67489  Cryptantha barbigera Marjorie D. Clary 1932-5-25 1167 Riverside n of Indio; Colorado Desert, Little San Bernardino Mts., Berdoo Canyon 609 Comment
  RSA0106707  Cryptantha barbigera Duncan S. Bell, Amanda Turek 2010-4-9 757 Riverside East side of the Arica Mountains, near the center of the range; approx. 1.75 air mile west of Priest Well. 439 Comment
  RSA336048  Cryptantha barbigera R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52031 Riverside Chino Canyon Comment
  SBBG6243  Cryptantha barbigera C. H. Muller 1952-4-6 9502 Riverside 2 mi E of Shavers Summit, E of S gate to Joshua Tree Nat Monument Comment
  UCR157719  Cryptantha barbigera var. fergusoniae John C. Roos 1948-4-24 3807 Riverside Eastern San Bernardino Mtns./Sonoran (Colorado) Desert, Whitewater Wash 549 Comment
  UCR237708  Cryptantha barbigera var. fergusoniae Orlando Mistretta, Duncan S. Bell, Janet Beckman, Joy England, K. Kane, et al. 2010-4-12 4433 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 488 Comment
  RSA0079092  Cryptantha cycloptera LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1451 Riverside Chocolate-Chuckwalla Mountains region: Corn Springs Campground in the Chuckwalla Mountains. Canyon southwest of Campground. 480 Comment
  OBI45217  Cryptantha intermedia D. Hawkes 1987-5-16 s.n. Riverside S of Anza, Terwilliger Valley, Terwilliger Rd, 0.9 mi S of intersection with Wellman rd 1189 Comment
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Dec 4 2014
  POM12900  Cryptantha intermedia P. A. Munz 1922-7-3 5950 Riverside Vandeventer Flat 1372 Comment
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May 1 2011
  POM3840  Cryptantha intermedia C. F. Baker 1903-4-5 4138 Riverside Hemet Comment
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Jul 6 2010
  RSA32420  Cryptantha intermedia N. C. Cooper 1944-4-21 1097 Riverside Banning 701 Comment
  RSA679816  Cryptantha intermedia LeRoy Gross, Valerie Soza 2003-5-8 833 Riverside San Jacinto Mountains region: North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 777 Comment
  UC24685  Cryptantha intermedia Geo. F. Reinhardt Jun 1897 Riverside San Jacinto Valley Comment
  UC78695  Cryptantha intermedia D. Cleveland 1882-4-22 Riverside Temecula Comment
  UCR275276  Cryptantha intermedia T. B. Salvato, Gregg Miller 2005-6-7 1458 Riverside Peninsular Range, Gavilan Hills, Lindell (Stovepipe) Road north of Snake Road, c. 4.5 miles north-northwest of Lake Elsinore 640 Comment
  UCR101575  Cryptantha maritima Bern Schwenn 1998-4-2 s.n. Riverside Sonoran (Colorado) Desert, S slope of Eagle Mtns, Hayfield 'Cove', a wide cyn mouth c. 2.5 mi. (airline) ENE of Hayfield Pumping Station & 0.75 mi. SE of Hayfield Spring 544 Comment
  UCR167246  Cryptantha maritima John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, WNW of Rancho Dos Palmas between Coachella Canal siphons 29 and 30 24 Comment
  UCR249503  Cryptantha maritima T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7289 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
  SDSU21879  Cryptantha maritima var. maritima Kristen Hasenstab, M. G. Simpson 2008-4-1 47 Riverside In Fan Canyon, just inside the boundary for Joshua Tree National Park. Located in a wide desert wash. 640 Comment
  RSA653544  Cryptantha micrantha var. lepida Scott D. White 1999-5-24 7379 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
  RSA525346  Cryptantha microstachys Steve Boyd, A. Sanders, Mark Skinner 1990-4-28 4443 Riverside Vail Lake area, summit of Big Oak Mtn, N of lake 762 Comment
  RSA650981  Cryptantha microstachys Marion P. Harthill 1976-5-6 s.n. Riverside Cleveland National Forest. 609 Comment
  SBBG34215  Cryptantha microstachys H. Haid 1969-5-11 Riverside Bautista Cyn foothills, ca. 20 mi SE of Hemet 914 Comment
  UCR102888  Cryptantha microstachys A. C. Sanders 1997-4-3 20175 Riverside Lake Skinner area, N edge of large clay patch adjacent to the E side of the Skinner entrance road, c. 1-2 km NE of Borel Road. 473 Comment
  UCR263467  Cryptantha microstachys A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35583 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek watershed, c. 1.25 mi ENE of Mountain Center, nameless tributary to Coldwater Creek north of Johnson Meadow, above mapped spring 1524 Comment
  UCSB41271  Cryptantha microstachys Cowan, Clark 1978-4-25 Riverside 5.1 mi. (8.1 km.) W on Hwy. 74 from its jct. with Hwy. 243, approaching Hemet, San Jacinto Mts. 1370 Comment
  SEINET10805490  Cryptantha muricata Andrew C. Sanders 2006-5-19 Sanders 32414 Riverside Hills between Murrieta and Menifee Valley, W of I-215, south of Bundy Cyn/Scott Rd. and N of Clinton Keith Rd. (Murrieta 7.5'Q). [T6S R3W S27, NE/4 & E/2 of NW/4] 518 Comment
  UC1168726  Cryptantha muricata Peter H. Raven 1958-5-18 12978 Riverside 3.0 mi e junction of road to Aguanga (State Highway 74); San Jacinto Mountains Comment
  UCR111557  Cryptantha muricata Mitch Provance 1999-5-4 1705 Riverside San Bernardino Valley Region, Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR26485  Cryptantha muricata A. C. Sanders, S. Hagopian 1981-5-20 3132 Riverside Agua Tibia Mountains Area, Wolf Valley, SE of Temecula, at the junction of Road S16 with the road to the Pechanga Indian Reservation 351 Comment
  UCR269842  Cryptantha pterocarya var. cycloptera A. C. Sanders, Jim Malusa 2016-3-18 42383 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  SDSU18710 SDSU18710
Image available
Cryptantha racemosa Kristen Hasenstab, M. G. Simpson 2008-4-2 68 Riverside Joshua Tree National Park. In crack of boulder in dry waterfall 10ft above waterfall on east sids of tha waterfall, 0.3 miles south of Cottonwood Springs. 873 Comment
  RSA0088401  Cryptantha simulans T. B. Salvato, John F. Green 2004-5-27 571 Riverside San Bernardino Mountains: head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp. 1341 Comment
  JOTR16629  Cryptantha utahensis Liska, K. and Leary, Pat 1975-3-11 958 Riverside Joshua Tree National Park. WEST WIDE CANYON 609 Comment
  JOTR31065  Cryptantha utahensis La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2047 Riverside Joshua Tree National Park. Little San Bernardino Mountains; STOP 4: west side of Quail Mountain region, just below ridge line on steep loose slopes, mostly north facing, with boulder outcrops Comment
  JOTR34177  Cryptantha utahensis Harding, Mitzi, T. Herskovits and D. Oquendo 2011-5-5 138 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Northeast flowing steep side canyon of Pushawalla Canyon, almost parallel to main canyon (Stop 5) 1171 Comment
  POM13218  Cryptantha utahensis E. C. Jaeger 1921-4-7 1128 Riverside Mission Creek, Colorado Desert Comment
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Nov 5 2011
  UCR9570  Cryptantha utahensis Bonner Blong 1966-1 s.n. Riverside Santa Rosa Mtns, Carrizo Creek Comment
  RSA394320  Cucurbita foetidissima H. S. Gentry 1947-8-9 7644 Riverside Hind Ranch, Murrieta Comment
  UCR231193  Cupressus forbesii A. C. Sanders, T. B. Salvato, Kent Beaman 2011-11-3 39925 Riverside Peninsular Range; Santa Ana Mtns., near Sierra Peak on dirt road (Leonard Rd.) from Skyline Drive, c. 1/4 mile east of the Orange Co. line 884 Comment
  RSA101225  Cuscuta californica David B. Dunn 1947-7-12 2971 Riverside Pushawalla Canyon, Indio Hills. About 1/4 mile above the palms Comment
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May 24 2012
  UCR174305  Cuscuta californica A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32646 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
  UCR260535  Cuscuta californica var. papillosa T. B. Salvato 2014-5-29 8052 Riverside Perris-Aguanga Basin, Wildomar, field south of Bundy Canyon Road, west of Sunset Avenue and east of a broad oak/willow gully, c. 1.13 mi west of Murrieta Rd and 4.10 mi southeast of Canyon Lake 537 Comment
  CDA39932  Cuscuta campestris E. H. Asher 1958-6-9 510 -58 Riverside Indio. 0 Comment
  POM48873  Cuscuta ceanothi P. A. Munz, I. M. Johnston 1924-7-26 8707 b Riverside common on north slopes, 8 mi. S of Banning. 1372 Comment
  SD255710  Cuscuta salina D. E. Bramlet 2009-5-27 4389 Riverside Perris-Aguanga Basin Region: upper Salt Creek, west of Hemet Ryan Airport., ca. 450 m west of Warren Rd. and 990 m sotuy of Florida Ave., 490 m east of the San Diego canal. 455 Comment
  RSA0073880  Cylindropuntia bigelovii Marc A. Baker, Michelle Cloud-Hughes 2013-4-15 17729 Riverside Chuckwalla Mountains, Corn Springs Wash, 5km west of Aztec Well, 74km east of Indio. 760 Comment
  SEINET3272856  Cylindropuntia californica var. parkeri Marc A. Baker, Michelle Cloud-Hughes 2012-11-16 17637 .3 Riverside Aguanga 7.5' USGS topographic quadrangle Zone; west side of Highway 79, 1.3 km north of Oak Grove, 7.6 km southeast of Aguanga, 8.5 km southeast of Riverside. 815 Comment
  JOTR32481  Cymopterus panamintensis var. acutifolius Herskovits, Tasya 2011-5-25 17 Riverside Joshua Tree National Park. Cottonwood Mountains; Steep bedrock on south facing slope of large, sandy, open wash flowing southeast to Cottonwood Canyon; Near convergence of both drainage systems and Pinto Basin road (Stop 3) Comment
  UCR85377  Cyperus erythrorhizos A. C. Sanders, O. F. Clarke & CNPS field trip 1991-10-5 11742 Riverside Santa Ana River Valley, Rubidoux, Santa Ana River Regional Park, c. 0.3 mi SE of Louis Rubidoux Nature Center Comment
  UCSB37831  Cyperus erythrorhizos J. Roos 1951-9-25 5249 Riverside FAIRMOUNT PARK 259 Comment
  UCR207810  Cyperus esculentus O. F. Clarke 2004-7-7 s.n. Riverside San Bernardino Valley Region, Riverside, Victoria Ave. bridge at Arroyo Tequesquite 262 Comment
  CDA2604  Cyperus rotundus Steve Boyd 1989-7-9 3774 Riverside City of Riverside, 4863 Rubidoux Ave. 0 Comment
  SEINET10773991  Dalea J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12828 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
  NY43422  Dalea mollis C. R. Annable 1995-3-9 2259 Riverside BLM land, ca. 13km N of Rancho Mirage, behind A-1 Cement Comment
  POM14018  Dalea mollis P. A. Munz 1922-4-8 4738 Riverside Mecca, Colorado desert. -30 Comment
  RSA0043045  Dalea mollis Duncan S. Bell, Loraine Washburn 2014-4-8 6579 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of range; approximately 1.25 air miles north northeast of Clemens Well/Bradshaw Trail. 356 Comment
  RSA498344  Dalea mollis Robert L. Dressler 1949-3-19 386 Riverside Box Canyon, Orocopia Mts. Comment
  SEINET2066052 Image available Dalea mollis Dave Silverman, Cindy Hopkins 2005-3-22 5755 Riverside NE Riverside Co., transition between Ward and Rice Valleys, south of Danby Lake, S of HWY 62, along Colorado River Aqueduct (East of Granite Pass 7.5Q). 277 Comment
  SEINET2061476 Image available Dalea mollissima A. C. Sanders, et al. 1986-3-2 6067 Riverside Chuckwalla Valley, ca. 1/2 mile W of Graham Pass, on powerline road 1/2 mile S of old Hwy 60. 134 Comment
  UCR72212  Dalea mollissima Theo Glenn 1991-5-20 91- 98 Riverside Sonoran (Colorado) Desert, Arica Mts, SW of Rice 320 Comment
  CLARK-A1528-4965  Dalea spinosa John C. Roos 1947-2-15 3233 Riverside Eagle Mountains Comment
  SEINET10486090  Dalea spinosa Billy Joe Cox 1975-4-23 Cox 4160 Riverside Palo verde, 1-3 km w, creosote desert scrub; sandy and gravelly entisols. 70 Comment
  CAS-BOT-BC283042  Dasyochloa pulchella C. L. Hitchcock 1940-4-1 5907 Riverside 1 mi. below Cottonwood Spring, Joshua Tree Nat. Monument Comment
  JOTR32424  Dasyochloa pulchella Harding, Mitzi, T. Herskovits, D. Shade 2011-8-11 13 Riverside Joshua Tree National Park. Queen Mountains; Intersection of Park Blvd. and Pinto Basin road; Small rocky hills and surrounding drainages 1112 Comment
  RSA709874  Dasyochloa pulchella Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4618 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  RSA91542  Dasyochloa pulchella F. W. Peirson 1928-3-10 7711 Riverside Small side canyon in which Hidden Spring is located, northeast of Mecca Comment
  POM48728  Datisca glomerata P. A. Munz, I. M. Johnston 1924-7-29 8833 Riverside 6 miles SE of Poppet Flat, San Jacinto Mountains. 1524 Comment
  RSA502505  Datisca glomerata Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3564 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 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
  UCR113905  Datura wrightii Mitch Provance 1998-4-18 456 Riverside Jurupa Mountains, Crestmore Heights, E. Rattlesnake Mt., 'Oak Knoll' about 0.5 km west of Rubidoux Blvd., across the street from the Riverside Cement Company. 396 Comment
  CLARK-A1528-2434  Daucus pusillus David L. Davis 1962-4-20 131 Riverside Riverside 335 Comment
  RSA500206  Daucus pusillus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3538 Riverside Vail Lake area, recent burn in hills just to SW of the dam. 488 Comment
  UCR58460  Deinandra mohavensis George K. Helmkamp 1989-10-7 s.n. Riverside Peninsular Range; San Jacinto Mtns, roadside beside Hwy 243 near Lawlor Lodge, c. 2 mi north of Pine Cove 1600 Comment
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Jan 8 2013
  CAS-BOT-BC131032  Deinandra paniculata H. M. Hall 1930-11-9 13025 Riverside Aguanga Hills, 5 miles from Aguanga Comment
  SEINET3159336  Delphinium parishii S. B. Parish 1907-4-18 6074 Riverside western border of the Colorado desert; from type? station 150 Comment
  UCR48349  Delphinium parryi Steve Boyd 1986-4-22 1766 Riverside Temescal Canyon, W side of Indian Wash, south of I-15 Comment
  UCR98204  Delphinium parryi B. G. Pitzer 1997-4-1 3042 Riverside Lakeview Mtns, c. 0.75 air mi. SSW of Mt. Rudolph, c. 1 air mi NE of Contour (Juniper Flats) Rd. 655 Comment
  CAS-BOT-BC121425  Delphinium parryi subsp. parryi Ynez Whilton Winblad 1938-5-15 s.n. Riverside Lake Elsinore Comment
  RSA0020472  Delphinium parryi subsp. parryi P. A. Munz, Street, Williams 1919-3-28 2369 Riverside San Gorgonio Pass, near Banning 701 Comment
  RSA0069759  Delphinium parryi subsp. parryi Debra Nelson, James Hughes 2015-5-29 s.n. Riverside San Jacinto Ranger District. San Bernardino National Forest. Near Cahuilla Mountain. Comment
  UC64114  Delphinium patens subsp. hepaticoideum H. M. Hall May 1899 1175 Riverside El Toro Mt. San Jacinto Mountains Comment
  SEINET3208900  Dendromecon rigida G. Goodwin 2012-6-14 3456 Riverside San Jacinto Mountains, at vista south of Idyllwild adjacent to highway 243 1650 Comment
  POM14899  Dendromecon rigida subsp. rigida Mary F. Spencer 1922-4-23 1923 Riverside Maillard Canyon, prope [near] Banning. 701 Comment
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Mar 13 2011
  RSA433241  Dendromecon rigida subsp. rigida N. C. Cooper 1944-6-17 1414 Riverside above Banning Comment
  POM162730  Deschampsia elongata Ralph Hoffmann 1929-9-6 s.n. Riverside San Jacinto Mts. 2439 Comment
  RSA651829  Descurainia pinnata subsp. menziesii Marion P. Harthill 1971-3-19 20 Riverside Palm Desert. Comment
  UCR16142  Descurainia pinnata subsp. menziesii A. C. Sanders 1973-4-28 00225 Riverside Peninsular Range; San Jacinto Mtns., east of Garner Valley, along switchbacks in trail from Morris Ranch Road to Cedar Springs 2012 Comment
  RSA0106275  Dicentra chrysantha Alan Romspert 2000-7-28 s.n. Riverside 60 Fwy Bridge and Santa Ana Riverbed transect. Comment
  RSA329752  Dicentra chrysantha Gary D. Wallace 1966-4-16 468 Riverside Scandia Canyon betw. Murrieta and De Luz along De Luz Cr. Santa Ana Mtns. 701 Comment
  JEPS64173  Dichelostemma capitatum W. L. Jepson 1901-5-19 1299 A Riverside Strawberry Valley Mt. San Jacinto 1676 Comment
  SEINET272343 Image available Dichelostemma capitatum A. C. Sanders, G. Helmkamp 1997-3-15 19923 Riverside Lake Skinner area: hill (1864) E of Skinner Lakeat NW end of Tucalota Hills 549 Comment
  RSA192267  Dichelostemma capitatum subsp. capitatum E. W. Lathrop 1960-3-11 4660 Riverside 5 miles west of Murrieta. Comment
  POM356427  Dicoria canescens C. S. wasters 1909-6-20 s.n. Riverside Palm Springs. Comment
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Oct 10 2009
  RSA296150  Dicoria canescens B. A. Prigge 1980-8-18 3989 Riverside San Bernardino Mts, Catclaw Flat: 3.5 miles NNW of trout farm 963 Comment
  SBBG34737  Dicoria canescens T. L. Secrest 1950-3-12 Riverside near Indio Comment
  UCR207224  Digitaria ischaemum O. F. Clarke 2003-6-22 s.n. Riverside Peninsular Range, Riverside; O.F. Clarke residence, 266 Frost Court; east edge of UCR campus 351 Comment
  UCR150041  Digitaria sanguinalis Scott D. White, Brian Leatherman 2004-10-7 10768 Riverside Perris Basin, city of Perris, immediately east of the I-215 Freeway, at Watson Road 434 Comment
  RSA0019287  Diplacus brevipes Christopher Davidson 1975-6-16 2812 Riverside 5.4 miles N of Alandale Station on road R1 from Idyllwild to Banning. 1652 Comment
  RSA0116273  Distichlis spicata Mitch Provance, Ken Halama 2003-6-15 17059 Riverside Temescal Mountains: Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  UCR121896  Distichlis spicata Ian G. Gillespie 2001-5-7 79 Riverside East side of Santa Ana Mountains, Temescal Valley Area, also known as Sycamore Canyon Area. North of Indian Truck Trail, in drainage off of De Palma Road. Heavy construction currently underway in adjacent areas 335 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
  SEINET3860092  Ditaxis lanceolata T. B. Salvato 2010-4-20 4060 Riverside Sonoran (Colorado) Desert: alluvial slope between the McCoy Mountains and McCoy Wash, ca 14 mi. northwest of Blythe.; 0 183 Comment
  UCR245067  Ditaxis neomexicana A. C. Sanders, T. B. Salvato 2012-10-12 40407 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd. near intersection with Graham Pass Rd., 4.56 km west of I-10 junction 124 Comment
  NY43247  Dithyrea californica C. R. Annable 1995-3-16 2296 Riverside Ca. 13km NE of Desert Center, on Hwy 177 Comment
  RSA768412  Dithyrea californica J. Andre, T. La Doux 2009-2-25 10823 Riverside Palen Dry Lake: southeast margin of dry lake, approx. 6 miles north of I-10 freeway, about 15 miles east of Desert Center 129 Comment
  RSA1455  Dodecatheon clevelandii J. T. Howell 1929-2-14 s.n. Riverside 6 miles south of Corona. Comment
  UCR121306  Draba cuneifolia A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25017 Riverside The Badlands, summit of Mt. Eden, SW of Beaumont 671 Comment
  CLARK-A1528-2315  Draba cuneifolia var. integrifolia John C. Roos 1952-2-29 5369 Riverside Reche Canyon 548 Comment
  RSA692504  Dryopteris arguta Norman C. Cooper 1944-5-21 1248 Riverside San Jacinto Mountains, West side 915 Comment
  RSA83384  Dudleya edulis P. A. Munz 1923-6-18 4277 Riverside Temecula Canyon. Comment
  UCR112086  Dudleya lanceolata A. C. Sanders, Mitch Provance 1998-5-14 21846 Riverside Jurupa Mtns., Rattlesnake Mtn. (hill 1452m), Crestmore, above water tank west of Cedar Ave., above intersection of Andalusia and Malaga Streets 396 Comment
  CAS-BOT-BC109609  Dudleya saxosa subsp. aloides Philip A. Munz 1937-5-31 15119 Riverside Anza Tablet, head of Coyote Canyon, southwest Riverside county. 1066 Comment
  SEINET8060733 Image available Echinocactus polycephalus var. polycephalus Michael Chamberl 1990-1-11 19 Riverside 3.6mi S of Inyo county line on Route 127. On west side of small hill on west side of road. 300 Comment
  CAS-BOT-BC59755  Echinocereus engelmannii Ira Wiggins 1937-3-9 8747 Riverside Field redacted by CAS, contact the data manager for more information Comment
  RSA500568  Echinocereus engelmannii var. engelmannii Steve Boyd, Timothy S. Ross, L. Arnseth 1989-5-7 3581 Riverside Vail lake area, sedimentary hills at NW end of lake at E end of Oak Mtn, N of Wilson Creek. 488 Comment
  RSA0125222  Echinocereus engelmannii var. engelmannii Lyman Benson, Robert Benson 1952-3-23 14839 A Riverside San Jacinto Mountain Range. Northeast of Santa Rosa Peak, Pines-to-Palms Highway. 1220 Comment
  CAS-BOT-BC445577  Echinodorus berteroi S. B. Parish 1895-11-1 s.n. Riverside Elsinore Lake Comment
  UCR199669  Eclipta prostrata Scott D. White, Lynn Stafford 2007-6-27 11751 Riverside Chino Hills State Park, Santa Ana River floodplain just below Prado Dam 137 Comment
  SDSU21796  Elatine brachysperma Michael G. Simpson, Laura Benedict, Zack Principe, Lee Ripma, Nuri Benet-Pierce, Andy Siekkinen 2016-5-7 3984 Riverside Santa Rosa Plateau Ecological Reserve. Across street from vernal pool trail, ca. 4 miles north on road from Visitor's Center. 636 Comment
  RSA234014  Elatine californica R. F. Thorne, E. W. Lathrop 1969-5-12 37921 Riverside Santa Ana Mountains, Santa Rosa Plateau, Mesa de Colorado, Rancho California. 624 Comment
  SD138882  Elatine chilensis Craig Reiser 1993-3-8 Riverside Menifee Valley, near Menifee Road, in agricultural drainage in unvegetated, disked field Comment
  UC1409150  Elatine chilensis Robert F. Thorne and Earl Lathrop 1969-5-12 37939 Riverside Mesa de Colorado, Rancho Californua Santa Rosa Plateau Comment
  CAS-BOT-BC112922  Eleocharis macrostachya Mitch Provance 2005-5-17 6568 Riverside Warm Springs Valley: Terra Cotta, Nichols Rd. Wetland at Alberhill Creek, 420 Comment
  UCR116777  Eleocharis montevidensis A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-7 24170 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
  UCR120853  Eleocharis palustris D. E. Bramlet 2000-8-30 3070 Riverside Lake Skinner Regional Park. Tucalota Creek, just east of the equestrian bridge which crosses the creek. 1400-1500 ft north of the dirt service road (1487), and 2,600 - 2,700 ft. SE of the service road in Section 6 (1516) 470 Comment
  UCR178205  Eleocharis parishii T. B. Salvato, Tracy Tennant 1998-4-23 MOR- 903 Riverside San Bernardino Mtns., Morongo Indian Reservation, seep in Wood Canyon, tree stand W-07 1220 Comment
  JOTR00975  Eleocharis parishii Cole, James E. 1941-5-27 810 Riverside Joshua Tree National Park. BARKER DAM Comment
  CAS-BOT-BC418621  Eleusine indica R. E. Riefner, Jr. 2013-10-29 13 225 a Riverside La Sierra, along La Sierra Ave. at Sierra Tree St. 243 Comment
  UCR207612  Eleusine indica O. F. Clarke 2003-9-29 s.n. Riverside Peninsular Range; Box Springs Mtns. Foothills, Riverside, UCR Campus 335 Comment
  SD71848  Elymus condensatus Helen V. Witham 1969-7-2 193 Riverside dry flat, on De Luz Creek 7 miles south of Murietta on road to De Luz 299 Comment
  SEINET10564680  Elymus elymoides Philip A. Munz 1937-5-30 Munz 15083 Riverside Dry banks, northwest slope of Santa Rosa Mts. 2134 Comment
  RSA577761  Elymus trachycaulus subsp. trachycaulus F. M. Reed 1928-7-10 5983 Riverside Strawberry Valley, San Jacinto Mountains. 1524 Comment
  OBI2172  Emmenanthe penduliflora P. A. Holden 1969-4-6 706 Riverside At foot of Morongo Grade just W of hwy 62 and just N of Mission Crk Comment
  RSA504543  Emmenanthe penduliflora Ed LaRue 1989-6-11 s.n. Riverside W side of Lakeview Mountains, ca. 1 mile SE of town of Nuevo. 640 Comment
  UCR263239  Emmenanthe penduliflora A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-24 41481 Riverside San Gorgonio Pass, 3.3 miles east of Cabazon, north of the San Gorgonio River wash on the alluvial slope east of the water bottling plant and south of I-10 445 Comment
  UC456075  Encelia actoni I. J. Condit 1910-6-24 Riverside road to Strawberry valley; San Jacinto River Canyon Comment
  UC665545  Encelia actoni Annie M. Alexander and Louise Kellogg 1941-5-18 2197 Riverside Cottonwood Spring Colorado Desert, Eagle Mountains, Cottonwood Spring 1021 Comment
  LA202447  Encelia farinosa A. M. Johnson; 1932-3-20 3904 Riverside Indian Wells, below Palm Springs Comment
  LA31386  Encelia farinosa Jane Turner; Barbara Wlatreel, Virginia Sjaholm 1959-3-21 C 173 Riverside Morongo Wash Comment
  SBBG52758  Encelia farinosa N. C. Cooper 1944-4-8 1094 Riverside Andreas Cyn 304 Comment
  UC895522  Encelia farinosa I. Johnston 1917-6-5 1237 Riverside hills s Arlington 365 Comment
  UCSB18836  Encelia farinosa Beringer, George 1963-5-5 Riverside Near State Highway 74; 9.7 miles E of Pinyon Flats Public Campground 670 Comment
  POM356695  Encelia farinosa var. farinosa Gus Gluechert 1937-4-12 s.n. Riverside Palm Springs. Comment
  UCR214289  Encelia farinosa var. phenicodonta A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37484 Riverside Sonoran (Colorado) Desert, SE side of McCoy Mountains, upper part of wash c. 4.5 mi. NW of Blythe Airport, c. 3.5 mi. ENE of McCoy Peak 244 Comment
  CLARK-A1528-1811  Encelia virginensis subsp. actonii John C. Roos 1941-8-2 84 Riverside 609 Comment
  CAS-BOT-BC489624  Enchylaena tomentosa A. C. Sanders; T. B. Salvato 2015-7-22 41747 Riverside Peninsular Range: Riverside; former O.F. Clarke residence, 266 Frost Ct; E edge of UCR campus 361 Comment
  LA6787  Ephedra aspera Harlan Lewis; 1939-4-9 sn Riverside Indio Comment
  SEINET3111912  Ephedra aspera Sears 1977-10-12 S-- 578 Riverside Corn Spring; Desert Palm Oasis. 549 Comment
  UC407312  Ephedra californica LeRoy Abrams 1903-4-6 3204 Riverside Palm Springs Comment
  UC813662  Ephedra fasciculata var. clokeyi I. W. Clokey 1935-4-17 6511 Riverside Cottonwood Springs Comment
  SEINET3867763  Ephedra trifurca Noel H. Holmgren, Patricia K. Holmgren; Ruth E. Kern 1973-3-22 6477 Riverside Rice Valley, 30 miles south-southwest of Rice.; 0 244 Comment
  RSA575911  Epilobium brachycarpum Steve Boyd, D. L. Banks 1994-9-29 8371 Riverside Floodplain E of dike along San Jacinto River, W of Sedco Hills community. 381 Comment
  UCR35212  Epilobium canum L. B. Ziegler 1966-9-13 100 Riverside Sonoran (Colorado) Desert, San Jacinto Mountains, Carrizo Spring (Carrizo Creek), c.3/8 mi above Hwy 74 crossing of canyon. 703 Comment
  RSA797242  Epilobium canum subsp. latifolium Robert F. Thorne, Walter Wisura 1977-9-17 50771 Riverside San Jacinto Mountain: Long Valley to Round Valley along trail to summit. 2591 Comment
  SD229207  Epilobium canum subsp. latifolium Dick Schwenkmeyer 2011-8-25 652 Riverside Thomas Mountain, Tool Box Springs Campground 1857 Comment
  RSA448475  Epilobium ciliatum Louis C. Wheeler 1932-7-9 928 Riverside Santa Ana River at Chino Creek. 152 Comment
  POM965  Equisetum arvense L. T. Street, Durant 1918-5-12 s.n. Riverside San Jacinto River Canyon. Comment
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Apr 16 2011
  SDSU1959  Equisetum laevigatum Graham A. Cribbs 1962-7-28 116 Riverside Taken from meadow adjacent to Lake Hemet in the San Jacinto mountains. 1372 Comment
  SBBG89536  Equisetum telmateia subsp. braunii J. Adams 1966-4-28 744 Riverside Santa Rosa Plateau, dirt rd from Murrieta to De Luz 762 Comment
  JOTR33117  Eragrostis cilianensis La Doux, Tasha, Mike Bell 2003-10-17 1600 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Wonderland of Rocks; Wonderland Wash 1310 Comment
  UCSB51406  Eragrostis curvula Roos, John 1965-9-16 Riverside Lakeview Comment
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Sep 19 2018
  UCR92729  Eragrostis lehmanniana A. C. Sanders, S. Ogg 1994-7-28 15167 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  UCR2386  Eragrostis mexicana subsp. mexicana F. M. Reed 1906-7-15 1469 Riverside Roadsides in Riverside Comment
  RSA370867  Eragrostis mexicana subsp. virescens R. F. Thorne 1985-7-18 61275 Riverside Sandia Canyon, De Luz-Murrieta Road: Along small stream. 260 Comment
  OBI12406  Eremalche exilis Robert F. Hoover 1969-4-14 11235 Riverside Palm Springs, just S of S city limit Comment
  POM259966  Eremalche exilis P. A. Munz 1940-3-23 15723 Riverside north end of Pinto Basin. 610 Comment
  CSUSB1385  Eremalche rotundifolia A. R. Gillogly 1966-3-10 Riverside 2 miles south of Palm Desert, 1/2 mile east Palm-To-Pines Highway 106 Comment
  RSA3985  Eremalche rotundifolia Carl B. Wolf 1932-4-29 3124 Riverside eastern Colorado Desert, 4 mi. E of Rice on road to Parker 213 Comment
  RSA206252  Eremogone ferrisiae Reid V. Moran 1968-8-3 15366 Riverside N slope 1 mile W of summit, Santa Rosa Mtn. 2150 Comment
  SEINET12875649 Image available Eremogone ferrisiae Reid Moran 1968-1 15366 Riverside N slope 1 mi. W of summit, Santa Rosa Mtn. 2150 Comment
  UCSB26816  Eremogone macradenia Wilken, Dieter 1969-6-30 Riverside Santa Rosa Springs; Santa Rosa Mtns. 2377 Comment
  SBBG60424  Eremothera boothii subsp. decorticans M. N. Ackley 1928-4-3 761 Riverside Devil's Cyn, Coral Reef Ranch 152 Comment
  SDSU3044  Eriastrum densifolium Wende E. Rehlaender 1983-5-28 111 Riverside Santa Rosa Mountains; next to Hwy 74, about 12 miles along road from Palm Desert; 1/2 mile W of Deep Canyon, 3 miles NW of Sheep Mountain. Comment
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Jan 24 2013
  RSA0035483  Eriastrum densifolium subsp. austromontanum A. C. Sanders 2013-7-6 40851 Riverside SE of Idyllwild on South Ridge along FS Rd. 5S11, at and near sharp bend 1857 Comment
  SD124099  Eriastrum densifolium subsp. austromontanum C. W. Tilforth 1976-7-21 1222 Riverside Ca. 5.0 miles north of Idyllwild. 1524 Comment
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Mar 2 2013
  CAS-BOT-BC514306  Eriastrum densifolium subsp. austromontanum H. M. Hall 1901-7-1 2384 Riverside San Jacinto Mountains 1584 Comment
  RSA0108902  Eriastrum densifolium subsp. austromontanum Robert Kessler 1920-1 17054 Riverside San Jacinto Mts. Comment
  JOTR31169  Eriastrum densifolium subsp. elongatum La Doux, Tasha 2009-6-3 1872 Riverside Joshua Tree National Park. (Stop 6): Little San Bernardino Mountains, Covington Flats Area, dry ephemeral wash near parking area 1426 Comment
  UCR144153  Eriastrum eremicum Scott D. White, Michael Honer 2003-4-25 9093 Riverside San Bernardino Mtns, Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm, west side of road 671 Comment
  SEINET12278727  Eriastrum eremicum E. A. Purer 1935-1 6459 Riverside near Palm Springs Comment
  JEPS69040  Eriastrum eremicum subsp. eremicum W. L. Jepson 1901-5-24 1418 Riverside Van Deventer Flats Santa Rosa Mts., Van Deventer's Ranch 1493 Comment
  CAS-BOT-BC514469  Eriastrum eremicum subsp. eremicum John Thomas Howell 1928-3-25 3559 Riverside Colorado Desert: 10 mi S of Palm Springs, on road to Indio Comment
  RSA0110192  Eriastrum harwoodii Duncan S. Bell 2010-5-2 914 Riverside West side of the Arica Mountains; in main western drainage; approximately 2.5 air miles west of Priest Well. 417 Comment
  UCR164934  Eriastrum sapphirinum T. B. Salvato, John F. Green 2004-5-27 623 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
  UCR177027  Eriastrum sapphirinum Tracy Tennant 1998-6-5 s.n. Riverside Peninsular Range, east side of Roundtop Mtn. and along Sage Road 732 Comment
  UCR263473  Eriastrum sapphirinum A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35588 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek watershed, c. 1.25 mi ENE of Mountain Center, nameless tributary to Coldwater Creek north of Johnson Meadow, along trail from May Valley Rd. 1555 Comment
  UC1118700  Ericameria cooperi var. cooperi R. St. John and A. E. Wieslander 1929-1-25 6 Riverside mouth of Bautista Creek San Jacinto Quadrangle, Bautista Creek (near Plot 8) Comment
  UCR174948  Ericameria linearifolia Jennifer H. Jones, Toby Bartels 2006-4-23 274 Riverside Transverse Ranges; San Bernardino Mtns., Banning Pass, NE of Cabazon along powerline road and in Deep Canyon 744 Comment
  SBBG62898  Ericameria nauseosa var. mohavensis J. E. Butner 1948-10-3 657 Riverside San Jacinto Mtns on St Hwy 74 Comment
  RSA486463  Ericameria palmeri var. pachylepis Richard Noyes, L. Arnseth 1988-10-30 753 Riverside Harford Springs County Park vicinity. East of Park boundry and bordering Gavilan Mine Road. 610 Comment
  RSA741266  Ericameria parishii Scott D. White, Justin M. Wood 2008-7-10 12453 Riverside San Jacinto Mountains: Fobes Spring 1500 Comment
  RSA0125104  Ericameria pinifolia Duncan S. Bell 2016-10-27 10213 Riverside Whitewater Canyon area; collecting in Rainbow Canyon, 2.75 air miles northwest of the Whitewater Ranger Station (trout ponds). 1024 Comment
  CAS-BOT-BC294844  Erigeron breweri var. jacinteus Mrs. C. M. Wilder 1909-7-12 972 Riverside Snow Creek, San Jacinto Mts. Comment
  RSA674953  Erigeron foliosus Scott D. White, Teresa B. Salvato 2001-6-8 8567 Riverside Santa Ana Mountains: Southern margin of county, just northeast of Rainbow Valley. 335 Comment
  JEPS41514  Erigeron foliosus var. foliosus W. L. Jepson 1901-5-24 1419 Riverside Van Deventer's Ranch Santa Rosa Mts. 1493 Comment
  RSA701741  Erigeron foliosus var. foliosus Steve Boyd, Valerie L. Soza 2004-6-22 11538 Riverside Western flank of the range in Hall Canyon, at the south end of Lake Fulmor, just north of Hwy 243. 1646 Comment
  SEINET7063049  Erigeron foliosus var. foliosus A. G. Vestal 1963-5-20 s.n. Riverside Long Valley Road at Temecula and at the junction with Route 395 (115). UTM Zone 11, 485910mE, 3706825mN. (WGS84/NAD83). 308 Comment
  UC31476  Erigeron foliosus var. foliosus W. L. Jepson and H. M. Hall 1901-5-1 1977 Riverside Temecula Creek Comment
  UCD65712  Eriochloa acuminata A. R. Roos 1937-11-28 Riverside East Washington St., Riverside. Comment
  HSC84146  Eriodictyon crassifolium Sharon K. Dubois 1987-5-10 Riverside San Jacinto Mtn., 1 mi. up Bee Canyon off Hwy. 74 457 Comment
  POM319080  Eriodictyon crassifolium Patricia Wilder 1971-9-29 5267 Riverside Along San Jacinto River at north end of Fairview Street, north of Florida Street. Valle Vista; east of Hemet; south side of river 518 Comment
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Mar 27 2011
  CAS-BOT-BC189131  Eriodictyon crassifolium var. crassifolium Dr. E. Rixford 1917-4-17 s.n. Riverside Coachella Valley Comment
  CLARK-A1528-2971  Eriodictyon trichocalyx John C. Roos 1948-5-1 3814 Riverside Whitewater 609 Comment
  UCR131829  Eriodictyon trichocalyx Jennie Phui 1998-5-30 029 Riverside San Bernardino Mtns./San Gorgonio Pass, Morongo Indian Reservation, eastern fork of Lion Canyon, 3 miles up Lion Canyon road north of I-10 Fwy 600 Comment
  JOTR32456  Eriogonum angulosum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2603 Riverside Joshua Tree National Park. Queen Mountains; Barker Dam loop trail, near trailhead; Sandy wash and open flats among boulder outcrops (Stop 2) 1298 Comment
  CAS-BOT-BC248623  Eriogonum apiculatum Ralph Hoffmann 1929-9-5 s.n. Riverside Strawberry Valley, San Jacinto Mts. 2133 Comment
  UC412786  Eriogonum apiculatum F. M. Reed 1908-7-14 2487 Riverside summit of Tahquitz pass San Jacinto Mts. 2438 Comment
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May 1 2011
  UCR150055  Eriogonum apiculatum L. C. Wheeler 1945-10-7 6412 Riverside San Jacinto Mountains, divide between West Fork Snow Creek and North Fork San Jacinto River 2378 Comment
  UCR18394  Eriogonum apiculatum A. C. Sanders 1978-9-3 549 Riverside San Jacinto Mtns., James Reserve, above Lake Fulmor 1646 Comment
  CAS-BOT-BC492917  Eriogonum apiculatum Louis Wheeler 1945-10-7 6412 Riverside San Jacinto Mountains: divide between West Fork Snow Creek and North Fork San Jacinto River 2377 Comment
  UCR158282  Eriogonum brachyanthum 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
  RSA766423  Eriogonum davidsonii Ralph Hoffmann 1929-9-7 1000 Riverside Mount San Jacinto. 1829 Comment
  UCR72235  Eriogonum deflexum Theo Glenn 1991-5-24 91- 132 Riverside Sonoran (Colorado) Desert, Palen Mtns, NE of Desert Center 399 Comment
  CAS-BOT-BC256119  Eriogonum deflexum var. deflexum Roxana S. Ferris 1918-6-19 1014 Riverside Along Colorado River 7 miles south of Palo Verde Comment
  LA90399  Eriogonum fasciculatum var. flavoviride William Shapeero; 1954-4-28 sn Riverside Joshua Tree National Monument Comment
  CAS-BOT-BC249960  Eriogonum fasciculatum var. foliolosum Lewis S. Rose 1938-12-25 38352 Riverside 31 mi. w. of Indio, Palms to Pines Highway, San Jacinto Mts. 1280 Comment
  POM294053  Eriogonum fasciculatum var. foliolosum Lyman Benson 1945-11-10 11915 Riverside 5 miles east of Temecula. 457 Comment
  RSA650852  Eriogonum fasciculatum var. foliolosum William Wilson 1948-2-14 s.n. Riverside 11 miles SE Hemet. 549 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
  RSA393340  Eriogonum fasciculatum var. polifolium H. de Forest, Rempel 1934-4-14 s.n. Riverside San Gorgonio Pass. 640 Comment
  RSA393347  Eriogonum fasciculatum var. polifolium N. C. Cooper 1949-6-29 4305 Riverside West of Pinon Flats, San Jacinto Mountains. 1524 Comment
  UC56796  Eriogonum gracile H. M. Hall 1902-8-6 2655 Riverside vicinity of Riverside 457 Comment
  UCR113729  Eriogonum gracile var. gracile Mitch Provance 2000-7-30 2169 Riverside Jurupa Mountains, NW Jurupa Mtns; SW of the E extreme of Philadelphia St. 305 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
  RSA701167  Eriogonum inflatum Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11230 Riverside Western base of the Chocolate Mountains, small canyon, ca. 1.25 miles due north of Imperial County line and ca. 3.75 miles due west of aqueduct, accessed by dirt road off of main aqueduct road at siphon station., Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. Comment
  UCR126425  Eriogonum inflatum T. B. Salvato, A. C. Sanders, Mitch Provance 2000-4-18 54 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
  RSA20029  Eriogonum maculatum I. W. Clokey 1935-4-17 s.n. Riverside Cottonwood Springs. Comment
  RSA487226  Eriogonum molestum James L. Reveal, C. Rose Broome 1987-6-27 6613 Riverside San Jacinto Mountains, along Morris Ranch Road, 1.9 mile northeast of California Hwy 74 and about 1.5 mile northeast of Kenworthy Guard Station, about 8 airline miles southeast of Mountain Center. 1585 Comment
  RSA393615  Eriogonum nudum var. pauciflorum N. C. Cooper 1949-6-29 4280 Riverside Palms to Pines Highway. 1220 Comment
  RSA66014  Eriogonum nudum var. pauciflorum F. W. Peirson 1924-7-29 5035 Riverside Banning to Idyllwild Rd. 1555 Comment
  RSA0127853  Eriogonum reniforme G. Rink 2013-3-29 11917 Riverside About twelve miles west of Blythe, along the T-line for the proposed Quartzite solar power plant. Comment
  UCR243512  Eriogonum saxatile Jim Andre, T. La Doux, R. B. Kelley 2011-5-4 21083 Riverside Southern Mojave Desert, Joshua Tree National Park, Long Canyon, up side canyon approx. 400 m. west of main canyon drainage 1172 Comment
  CAS-BOT-BC263511  Eriogonum thomasii R. Bacigalupi No date on label. 107 Riverside Eagle Canyon Comment
  CAS-BOT-BC263522  Eriogonum thomasii K. L. Chambers 1973-3-19 3620 Riverside Cottonwood Pass Road at s. border of Joshua Tree Natl. Mon., 1.0 miles n. of junction with Highway 60 Comment
  RSA775399  Eriogonum thomasii Duncan S. Bell 2011-4-10 2251 Riverside Northwest side of the Arica Mountains; northwestern section of project area; collecting in a large wash approximately 3.5 air miles south of Highway 62. 299 Comment
  RSA784940  Eriogonum thomasii Duncan S. Bell 2012-2-12 3118 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  SBBG89124  Eriogonum thomasii A. C. Sanders 1988-5-11 7811 Riverside Chocolate Mtns, Iria Pass area; 12 mi above the Coachella Canal in a wash E of the gasline rd from Niland 548 Comment
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Sep 10 2011
  SD143778  Eriogonum thomasii G. K. Helmkamp, E. A. Helmkamp 1998-2-18 2740 Riverside Chuckawalla Mtns: Graham Pass Rd, 10.6 mi. SSW of Chuckawalla Valley Rd. 487 Comment
  UCR139388  Eriogonum thomasii P. A. Munz 1949-4-11 13002 Riverside Mojave Desert, eastern end of Joshua Tree National Monument 945 Comment
  UCR269866  Eriogonum thomasii A. C. Sanders, Jim Malusa 2016-3-18 42361 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, along gasline road 21.5 km due north of Slab City/Camp Dunlap 538 Comment
  RSA64760  Eriogonum thurberi F. W. Peirson 1914-04 1738 Riverside Whitewater at head of Coachella Valley. Comment
  SEINET5331712  Eriogonum thurberi H. M. Hall 1904-5-19 4950 Riverside Fairmount Park. 244 Comment
  CAS-BOT-BC263592  Eriogonum trichopes Susan G. Stokes 1933-4-9 51 Riverside South of Palm Springs Comment
  RSA795948  Eriogonum trichopes Duncan S. Bell 2009-4-19 269 Riverside Arica Mountains: west side of range, approximately 2.5 air miles southwest of Priests Well. 391 Comment
  UC535090  Eriogonum trichopes Susan G. Stokes 1933-4-9 51 Riverside s Palm Springs Comment
  UCR35085  Eriogonum umbellatum var. munzii L. B. Ziegler 1964-7-24 4 Riverside Santa Rosa Mountains, Santa Rosa Mtn. 2195 Comment
  SEINET3087398 Image available Eriogonum wrightii subsp. membranaceum Steve Boyd 1985-10-5 1190 Riverside Gavilan Hills; Harford Springs County Park, NW corner of the Gavilan plateau 610 Comment
  CAS-BOT-BC261787  Eriogonum wrightii var. nodosum P. A. Munz 1936-5-5 14593 Riverside Whitewater Creek, 2mi. north of main highway, northwestern corner of Coachella Valley Comment
  CAS-BOT-BC261788  Eriogonum wrightii var. nodosum Lewis S. Rose 1935-12-23 35696 Riverside Colorado Desert. Above Deep Canyon, San Jacinto Mts., 22 mi. S. of Cathedral City 914 Comment
  POM13304  Eriogonum wrightii var. nodosum E. C. Jaeger 1921-10-9 1068 Riverside Palm Springs. Comment
  VVC1351  Eriogonum wrightii var. nodosum A. C. Sanders, J. Mac 1996-11-23 19658 Riverside San Bernardino Mtns., Whitewater Canyon, just above Bonnie Bell, 2.3 miles below the stream crossing near the fish hatchery, E of VAMB Captain 534 Comment
  CLARK-A1528-1249  Erioneuron pulchellum John C. Roos 10/251946 3146 Riverside Chuckwalla Mountains 365 Comment
  SEINET8687228 Image available Eriophyllum ambiguum H. M. Hall 1905-4-14 5760 Riverside Near Palm Springs 150 Comment
  POM184047  Eriophyllum ambiguum var. paleaceum P. A. Munz 1932-3-14 12000 Riverside Palm Springs. 91 Comment
  UC511896  Eriophyllum ambiguum var. paleaceum Frank W. Peirson 1933-4-13 10638 Riverside road from Deep Canyon to Idlewild 762 Comment
  CAS-BOT-BC297357  Eriophyllum confertiflorum Philip A. Munz 1930-5-1 11918 Riverside Dry Morongo Wash, Little San Bernardino Mts 182 Comment
  HSC5616  Eriophyllum confertiflorum C. L. Hitchcock, C. V. Muhlick 1964-3-17 23106 Riverside 10 mi. N of Pala, along road to Elsinore. Comment
  POM357953  Eriophyllum confertiflorum George R. Johnston 1930-6-13 s.n. Riverside Indio Canyon, Ravenna. 1067 Comment
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Nov 8 2011
  LA203532  Eriophyllum confertiflorum var. confertiflorum Elizabeth McClintock; 1940-5-19 sn Riverside about 0.25 mi. from Pines to Palms Highway, on Santa Rosa Mt. Road Comment
  SEINET8753414 Image available Eriophyllum confertiflorum var. trifidum Norman C. Cooper 1944-1 1185 Riverside Banning 701 Comment
  JEPS3064  Eriophyllum multicaule C. B. Clokey, I. W. Clokey, and B. C. Templeton 1930-4-15 4734 Riverside Gavilan Peak 600 Comment
  RSA604747  Eriophyllum multicaule A. C. Sanders 1995-4-16 16559 Riverside Glen Avon: Jurupa Hills (draining toward Fontana), Pyrite St. Canyon. 335 Comment
  UC373333  Eriophyllum multicaule Marcus E. Jones, A. M. 1882-4-25 3173 Riverside San Jacinto Comment
  UCR174321  Eriophyllum multicaule A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32560 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UCR213610  Eriophyllum multicaule A. C. Sanders, Matthew Malle 2010-4-23 38002 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR90749  Eriophyllum multicaule Scott D. White 1995-4-5 2739 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  SEINET8687403 Image available Eriophyllum multicaule I. W. Clokey 1935-4-18 6487 Riverside Gavilan 600 Comment
  JEPS5421  Eriophyllum wallacei W. L. Jepson and H. M. Hall 1901-5-19 1272 a Riverside upper end San Jacinto River Comment
  POM14090  Eriophyllum wallacei P. A. Munz, D. D. Keck 1922-4-13 4959 Riverside Eagle Mts, Colorado Desert. 213 Comment
  UC896371  Eriophyllum wallacei C. L. Hitchcock 1940-3-30 5879 Riverside Cottonwood Spring Comment
  UCR137705  Erodium brachycarpum D. L. Banks 1997-3-16 1541 Riverside NW Palomar Mountains, Agua Tibia Mountains, N face of Dorland Mountain, the Dorland Mountain Arts Colony along the circular drive that runs around the north side of the compound 567 Comment
  RSA757736  Erodium cicutarium LeRoy Gross, Jackie McConnaughy, Drew Monks, Thomas Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4311 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
  RSA774513  Erodium cicutarium Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4466 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. 488 Comment
  SDSU7341  Erodium cicutarium S. J. Barnhart 1966-4-1 660417 -13 Riverside South-west facing slope of small hill 0.1 miles east of McAllister Street along the Metropolitan Water Co. utility road (dirt), which is 1.5 miles south-east of the intersection of Mc Allister Street and Victoria Avenue. 457 Comment
  SEINET244841  Erodium macrophyllum Ian G. Gillespie 2000-4-19 10 Riverside Temescal Valley; 0.9 mi SE of Indian Truck Trail and 30 m S of DePalma Road. 427 Comment
  CLARK-A1528-2959  Erodium moschatum John C. Roos 1952-4-9 5480 Riverside Riverside 259 Comment
  UCR62382  Eryngium aristulatum R. Montijo 1990-5-23 s.n. Riverside Mesa de Colorado, S edge of Santa Rosa plataeu 642 Comment
  UCR16790  Erysimum capitatum var. capitatum Tony Beck 1968-5-4 680504- 13 Riverside San Jacinto Mountains, c. 3 mi north of Idyllwild on Hwy '74' [243] from Banning 1677 Comment
  CAS-BOT-BC9462  Erythranthe diffusa Philip Alexander Munz 1922-4-30 5135 Riverside Hills south of Tucalota Creek, on road from Aguanga to Hemet Comment
  SEINET13754614  Erythranthe diffusa B. Ertter, J. Strachan 1979-1 2975 Riverside Kenworthy Forest Station on Rt. 74 in Garner Valley, San Jacinto Mountains. Comment
  SEINET14045869 Image available Erythranthe guttata A. C. Sanders 2006-1 32401 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 518 Comment
  RSA0018793  Erythranthe guttata Glenda Long 1981-5-3 31 Riverside Bogart County Park, Beaumont Comment
  RSA0014889  Erythranthe tilingii P. A. Munz 1922-7-6 5992 Riverside San Jacinto Mountains. Tahquitz Valley. 2195 Comment
  RSA0022932  Eschscholzia androuxii Jack Rempel, Erwin Miller 1934-4-28 18734 Riverside S of Pass between Horse and Pleasant Valleys Wash 1220 Comment
  UCR244397  Eschscholzia glyptosperma Jim Andre 2012-4-16 20978 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
  SBBG25098  Eschscholzia minutiflora D. Myrick 1966-4-2 1327 Riverside Linda Vista Lodge, Desert Hot Springs Comment
  SBBG70173  Eschscholzia minutiflora Anstruther Davidson -Apr-1893 Riverside Palm Springs Comment
  SBBG81646  Eschscholzia minutiflora S. A. Junak 1983-3-23 1640 Riverside E side of Jefferson Rd across from entrance to Cahuilla Lake County Park, S of Indio Comment
  UCD94250  Eschscholzia minutiflora Shannon M. Still; Steven M. Still 2008-4-7 385 Riverside California. Riverside County: Joshua Tree National Park. 823 Comment
  RSA445445  Eschscholzia minutiflora var. darwinensis Emery M. Whilton 1937-3-22 s.n. Riverside Taken in the Chocolate Mountains, east slope, Coachella Valley. Comment
  RSA0123114  Eschscholzia papastillii Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9021 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  UC667307  Eschscholzia parishii Annie M. Alexander and Louise Kellogg 1941-5-14 2169 Riverside 5 mi s Cottonwood Spring; Colorado Desert, Eagle Mountains Comment
  RSA420929  Eucrypta chrysanthemifolia E. Crow 1929-3-17 197 Riverside Glen Ivy Hot Springs, Santa Ana Mts. Comment
  RSA495797  Eucrypta chrysanthemifolia Steve Boyd, Tim Ross, L. Arnseth 1989-3-11 2904 Riverside Vail Lake area, mouth of Temecula Creek Cyn, 1.5 mi west of Vail Lake Dam. 396 Comment
  RSA612610  Eucrypta chrysanthemifolia D. L. Banks, Victor W. Steinmann 1997-3-13 1495 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
  RSA704001  Eucrypta chrysanthemifolia Daphne K. Christopher, H. Stevens, Z. Princip 2003-4-9 126 Riverside Near Hermano Road, off Hwy. 15, Indian Truck Trail exit. On right spur of primary dirt road. 550 Comment
  RSA314636  Eucrypta chrysanthemifolia var. bipinnatifida Robert F. Thorne, F. R. Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55456 Riverside San Bernardino Mountains: side canyon on W side of Whitewater Canyon, ca. 3.3 miles N of Whitewater post office. 595 Comment
  SDSU18406  Eucrypta chrysanthemifolia var. chrysanthemifolia C. Matt Guilliams 2008-2-27 481 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. 407 Comment
  UCR216395  Eucrypta chrysanthemifolia var. chrysanthemifolia Mike Bell 2008-3-30 027 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, 5 miles SW of Murrieta, Punta Mesa Trail 537 Comment
  UCSB42178  Eucrypta micrantha Roos, John 1966-3-26 Riverside 2 miles SE of Desert Center Comment
  JEPS33744  Eulobus californicus Marjorie D. Clary 1932-4-12 1677 Riverside 8 mi se Coachella; Colorado Desert, Santa Rosa Mts. 152 Comment
  UC2015586  Eulobus californicus A. C. Sanders with G. Helmkamp & P. MacKay 1995-3-12 16095 Riverside Coachella Valley: alluvial slopes at the foot of Rabbit Peak, Santa Rosa Mtns., below Sheep Canyon. Comment
  UCSB15721  Euonymus occidentalis subsp. parishii Breedlove, Dennis 1961-8-5 Riverside Along Fuller Mill Creek; 0.5 mile upstream from point where creek crosses Riverside Highway 1; San Jacinto Mountains 1645 Comment
  UCR9165  Euonymus occidentalis var. parishii Heidi A. Haid 1968-9-28 s.n. Riverside San Jacinto Mountains, 10 mi northeast of Idyllwild at Lake Fulmor Comment
  UCR201947  Euphorbia albomarginata 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
  RSA0040031  Euphorbia albomarginata W. Marquart 1938-3-12 s.n. Riverside Ten mi. west of Blythe. Comment
  SD144469  Euphorbia eriantha G. K. Helmkamp, E. A. Helmkamp 1998-2-18 2691 Riverside Colorado Desert: Midland Rd, 3.8 mi SE of Midland, Little Maria Mtns. Comment
  SD146282  Euphorbia eriantha B. Pitzer, Tracy Tennant 1998-2-21 3538 Riverside Colorado Desert, north-facing bajada on south side of Hayfield Lake between lakebed & Hwy 1-10, Hayfield Spring, in washes & on flats 412 Comment
  UCR198567  Euphorbia nutans A. C. Sanders, O. F. Clarke 2008-10-7 36113 Riverside Peninsular Range, Riverside, O.F. Clarke residence, 266 Frost Ct., just east of UCR 360 Comment
  UCR201604  Euphorbia polycarpa Justin M. Wood 2008-11-17 228 Riverside Southwest Perris Basin, Temecula - Murrieta Creek, downstream of 1st Street bridge 305 Comment
  SEINET10739811  Euphorbia polycarpa David B. Dunn, Howard Brown 1947-1-12 Dunn 2838 Riverside Pushawalla Canyon, Indio Hills. Comment
  RSA653712  Euphorbia polycarpa var. hirtella Scott D. White 2000-3-23 7635 Riverside Coachella Valley, Thousand Palms area: N terminus of Rio del Sol Road at intersection with Vista Chino. Proposed aggregate mine expansion. 152 Comment
  UCR116398  Euphorbia revoluta J. Zabriskie 1976-10-15 944 Riverside Santa Rosa Mtns / Colorado Desert, Deep Canyon Desert Research Area, downslope to Deep Canyon from Bighorn Overlook, along Hwy 74. 1098 Comment
  UC162553  Eustoma exaltatum unknown 1897-8-28 Riverside Riverside Comment
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Oct 20 2007
  RSA0112089  Fagonia laevis Duncan S. Bell 2010-2-21 548 Riverside Arica Mountains; Palen/McCoy Wilderness area; collecting in the central part of range. 418 Comment
  SEINET885180  Fagonia laevis T. L. Burgess 1980-1 5800 Riverside Hwy 74, 6.1 miles south of junction with Hwy 111 in Palm Desert. 533 Comment
  UC1595750  Fagonia laevis W. Wisura, J. Dolan, M. Wall 1992-3-24 4642 Riverside on road to Corn Spring (5.6 mi s of I-10) Comment
  UCD170726  Fagonia laevis A. C. Sanders; Clint Shock, Jose Aguiar 2014-3-6 40965 Riverside Sonoran (Colorado) Desert, along Box Canyon road c. 2.6 miles SW of I-10 junction, above the head of Box Canyon. 435 Comment
  UCR200304  Fagonia laevis Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11238 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
  RSA776178  Fagonia laevis Amber Swanson 2011-3-19 243 Riverside Off Red Cloud Rd in the Chuckwalla Mtns. 586 Comment
  SEINET8564467  Fagonia laevis N. H. Holmgren, P. K. Holmgren, R. E. Kern 1973-3-20 6409 Riverside Big Maria Mountains, 12 airline miles north of downtown Blythe 290 Comment
  SEINET912731  Fagonia pachyacantha Annie M. Alexander, Louise Kellogg 1941-1 2233 Riverside Box Canyon, east of Mecca. 243 Comment
  UCR279525  Fagonia pachyacantha A. C. Sanders, Jim Malusa 2017-3-29 43188 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 2.8 km south of the confluence of Red Canyon and Salt Creek 460 Comment
  UCR102821  Festuca microstachys A. C. Sanders 1997-3-26 20111 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
  UCR174097  Festuca myuros A. C. Sanders 2006-5-19 32464 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
  UCR97263  Festuca myuros Scott D. White 1993-4-30 1313 a Riverside San Jacinto Valley, Near intersection of Warren Rd. and Stetson Ave. 458 Comment
  UCR267284  Ficus microcarpa R. E. Riefner Jr. 2015-8-8 15- 217 Riverside City of Corona, Corona City Park, east side of Rimpau Ave. on north side of 6th St. 211 Comment
  CLARK-A1045-227  Filago arizonica George K. Helmkamp 1978-4-1 Riverside Cabazon north of Interstate highway 10; disturbed soil; Cabazon 7.5'Q Comment
  RSA525316  Filago californica Steve Boyd, David E. Bramlet 1990-4-29 4470 Riverside Lake Skinner County Park, S flank of Bachelor Mountain Comment
  RSA356984  Filago gallica R. F. Thorne 1973-5-23 43869 Riverside Santa Rosa Plateau-Mesa De Colorado 609 Comment
  UCR173928  Filago gallica A. C. Sanders 2006-5-19 32438 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
  CAS-BOT-BC304296  Flaveria A. C. Sanders 1981-10-31 2392 Riverside McKinley St between Riverside and Corona, 0.3 mile N of Highway 91 and +-100 yds W of McKinley 304 Comment
  RSA0039650  Fouquieria splendens Duncan S. Bell, LeRoy Gross 2014-3-20 6287 Riverside Orocopia Mountains; Orocopia Wilderness area; northeastern section of range; approximately 3.5 air miles south of Hayfields Lake. 609 Comment
  JEPS122474  Frangula californica subsp. cuspidata J. M. Andre 2012-6-15 30533 Riverside San Jacinto Mountains; along Highway 243, 10.7 miles south of Interstate 10 (Banning), San Bernardino National Forest. Lake Fulmor 7.5' Q. Comment
  SBBG28518  Frangula californica subsp. cuspidata C. B. Wolf 1932-8-6 3989 Riverside Strawberry Valley at base of Devil's Slide Trail to Tahquitz Valley 1706 Comment
  CLARK-A1528-1040  Fraxinus dipetala Joyce Davis 1965-3-16 12 Riverside Tin Mine Canyon 304 Comment
  RSA735984  Fraxinus dipetala Scott D. White, Justin M. Wood 2008-5-12 11946 Riverside Beaumont- NE point of the Beaumont Badlands, N of Mt. Davis. 793 Comment
  SEINET6694603 Image available Fraxinus dipetala F. A. Thackery 1927-1 298 Riverside Banning Comment
  POM182212  Funastrum cynanchoides var. hartwegii P. A. Munz 1932-4-24 12397 Riverside San Jacinto Mountains: Snow Creek Canyon 457 Comment
  RSA795090  Funastrum hirtellum J. Andre 2012-4-11 20727 Riverside Joshua Tree National Park; along road to Cottonwood Spring (Utah Trail or Eldorado Mine Road) 1 mile northwest of Fried Liver Wash, approximately 15 miles south of Highway 62 at 29 Palms. 617 Comment
  POM307260  Galium andrewsii subsp. andrewsii Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2126 Riverside Santa Rosa Mountains. Comment
  UCSB26912  Galium angustifolium Wilken, Dieter 1969-6-30 Riverside Dark Canyon, along County Road Rl, 7.0 miles north of Idyllwild, San Jacinto Mtns Comment
  JEPS56070  Galium angustifolium subsp. angustifolium Lauramay T. Dempster and Clare Hardham 1965-6-17 4134 Riverside on road to Alvin Meadow from Idyllwild Comment
  CAS-BOT-BC223054  Galium angustifolium subsp. gracillimum P. A. Munz; L. Street 1919-5-7 2729 Riverside Tahquitz Canon [Canyon] 243 Comment
  SBBG89043  Galium angustifolium subsp. gracillimum B. Pitzer, K. Kirtland 1986-5-20 227 Riverside E side of Butterfield Stage Rd, 1 mi S of Buck Mesa, Rancho California area, N side of Pauba Valley 457 Comment
  UC1332296  Galium angustifolium subsp. jacinticum Lauramay T. Dempster and G. L. Stebbins 1966-6-18 4244 Riverside Black Mountain road 0.9 mi above junction of road to Pine Wood; San Jacinto Mountains; San Jacinto Mts., Riverside Co. 1981 Comment
  JOTR34282  Galium munzii La Doux, Tasha, M. Harding, B. Truesdell, M. Wheeler 2010-5-12 3296 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Ridgeline just south of Quail Mountain peak with steep loose slopes and rocky outcrops (Stop 6) Comment
  RSA567550  Galium parishii Christopher Davidson 1978-6-15 7391 Riverside Santa Rosa Mountains. Santa Rosa Peak. Trail to the top. 2409 Comment
  UCR274316  Galium porrigens Jennifer H. Jones, Scott D. White 2005-5-25 94 Riverside Peninsular Ranges; Santa Ana Mtns., Rainbow area; foothills west of I-15 Freeway and immediately north of San Diego County line 579 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
  JOTR16841  Galium stellatum var. eremicum Vanderspek & Youse 1976-2-7 4 /19/1964 Riverside Joshua Tree National Park. WILSON CANYON Comment
  RSA735314  Galium stellatum var. eremicum Steve D. Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11268 Riverside Western edge of the Chocolate Mountains, along Gas Line Road in major wash system west of Iris Wash drainage. Within boundaries of U.S. Navy's Chocolate Mountains Aerial Gunnery Range. 570 Comment
  UCSB4688  Garrya flavescens Gill, Robert 1959-3-14 Riverside Road to Black Star Canyon and Oak Flat from Corona side; Santa Ana Mtns; Pacific Slope 822 Comment
  SD90096  Garrya flavescens subsp. pallida Nancy Ryan Zabriskie, Walter Zabriskie 1972-10-22 545 Riverside N. slope of Santa Rosa Mts, Deep Canyon, By Cactus Spring trail crossing of Horsethief Creek tributary Comment
  UCR25458  Gastridium ventricosum John C. Roos 1939-5-27 s.n. Riverside Reche Canyon Comment
  SD148102  Gaura drummondii A. C. Sanders, Steven R. Hill 2001-5-4 24127 Riverside Perris-Aguanga Basin region: Temecula, Long Canyon area west of Del Rey Road, along bottom of canyon west of junction of Ave. Pina Colada. 345 Comment
  JEPS30406  Geraea canescens Donald Kyhos 1957-3-29 57 -8 Riverside 3 mi E of Palm Springs (on Hiway 99) Comment
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Aug 28 2011
  UCR167262  Geraea canescens John F. Green 2005-3-14 s.n. Riverside Sonoran (Colorado) Desert, E of N shore of Salton Sea, NNE of Rancho Dos Palmas, between Coachella Canal siphons 28 and 29 24 Comment
  UCR245951  Geraea canescens Duncan S. Bell 2009-3-7 12 Riverside Arica Mountains, east side of range, c. 1.7 miles west of Priest Well 431 Comment
  RSA771683  Gilia Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4982 -b Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010 750 Comment
  RSA586845  Gilia angelensis D. L. Banks, S. D. Boyd 1995-5-3 0264 B 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
  RSA670710  Gilia angelensis B. C. Templeton, I. W. Clokey 1930-4-9 1027 Riverside North Banning 610 Comment
  RSA735921  Gilia angelensis Scott D. White, Jamie Minor 2008-3-13 11771 Riverside San Gorgonio Pass: Banning- S of Union Pacific Railroad, powerline route from Sunset Ave. to 1 mile W. 732 Comment
  SD143743  Gilia angelensis A. C. Sanders, G. Waines, et al. 1997-3-12 19850 Riverside Lower Rawson Canyon, along road northeast of Skinner Lake. 456 Comment
  UCR96813  Gilia angelensis Scott D. White 1993-3-12 1181 Riverside Near Winchester 466 Comment
  RSA618171  Gilia capitata subsp. abrotanifolia D. L. Banks 1997-5-5 2015 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek., East of where the road crosses to the southern bank of the south fork of Pechanga Creek. 427 Comment
  UCR165818  Gilia latifolia John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  UCR26529  Gilia ochroleuca A. C. Sanders, S. Hagopian 1981-5-20 2124 Riverside Agua Tibia Mountains Area, Wolf Valley, SE of Temecula, at the junction of Road S16 with the road to the Pechanga Indian Reservation 351 Comment
  SBBG87642  Gilia ochroleuca subsp. exilis A. C. Sanders, B. Pitzer 1986-4-30 6475 Riverside lower Bee Cyn, 0.2 mi above the mouth of cyn 609 Comment
  HSC87253  Gilia scopulorum Steve Boyd, S. Meury, R. Noyes, L. Arnseth, D. Nordin, T. Ross 1988-3-10 2186 Riverside NW end McCoy Mtns., NW of Blackjack Mine 400 Comment
  JOTR33761  Gilia sinuata La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2759 Riverside Joshua Tree National Park. Northern edge of Hexie Mountains; Large sandy canyon with braided wash that feeds southwest into Wilson Canyon (Stop 7) 902 Comment
  UCR19618  Gilia splendens B. Freeman 1969-6-20 690620- 3 Riverside San Jacinto Mtns, University of California, Riverside's James Reserve, c. 250 yards up path along Hall Canyon. 1646 Comment
  RSA469735  Gilia stellata Robert Gustafson 1978-3-21 846 -a Riverside Joshua Tree National Monument, about 3 miles north on the road leading through the park and Hwy 70. 640 Comment
  RSA504964  Gilia stellata D. Charlton 1988-2-25 1232 Riverside S side of Little San Bernardino Mountains, Fargo Canyon Road and Dillon Road, S side of Joshua Tree National Park, parallel to I-10, 5 miles E of jct Dillon Road and Fargo Canyon Road. 610 Comment
  RSA550351  Gilia stellata W. Wisura, John Dolan, Michael Wall 1992-3-24 4637 Riverside 15.4 miles NE of Mecca, Bajadas above Box Canyon Comment
  UCR214155  Gilia stellata T. B. Salvato 2010-4-20 4054 Riverside Sonoran (Colorado) Desert, alluvial slope between the McCoy Mountains and McCoy Wash, c. 14 mi northwest of Blythe 189 Comment
  RSA718867  Gilia stellata Michael Honer, L. Hulse 2005-3-8 2038 Riverside Fargo Canyon; first main N-trending fork after entering canyon from bajada. Site of large long MWD aqueduct tunnel tailings pile. 457 Comment
  RSA718873  Gilia stellata Michael Honer, L. Hulse 2005-3-7 2032 Riverside Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs. 488 Comment
  RSA526490  Githopsis diffusa subsp. robusta Steve Boyd, Timothy S. Ross 1990-5-11 4686 -B Riverside Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground of Cleveland National Forest. 579 Comment
  CLARK-A1045-65  Githopsis specularioides George K. Helmkamp 1978-5-2 Riverside Bautista Canyon burn on moist, north slope of Canyon; Hemet 15'Q Comment
  SD186045  Glinus lotoides A. C. Sanders, Kerry Knudsen and T. B. Salvato 2004-5-18 27909 Riverside Southeast of old clay mining area. 448 Comment
  UCR231742  Gnaphalium californicum John F. Green 2008-4-23 08- 13 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris, powerline route south of Ethanac Rd, and east of Theda St., east of Hwy 74 492 Comment
  RSA36560  Gnaphalium canescens Sara M. Schenck 1942-04 s.n. Riverside Split Rock, Joshua Tree National Monument, Riverside Comment
  UCR113185  Gnaphalium canescens A. C. Sanders 1998-1-15 21645 Riverside Lake Skinner area, along old Rawson Rd. just north of Crown Valley, above Diamond Valley at waterline of proposed reservoir 518 Comment
  UCR91307  Gnaphalium luteoalbum Chet McGaugh 1996-4-26 s.n. Riverside San Jacinto Valley, Hemet, 0.25 mi west of State St., between Esplanade and Cottowood 465 Comment
  JOTR34350  Gnaphalium palustre Harding, Mitzi 2012-6-19 20 Riverside Joshua Tree National Park. Little San Bernardino Mtns, Barker Dam 1304 Comment
  UC485697  Gnaphalium palustre Katharine Brandegee 1906-1 Riverside near Riverside; Wilders Ranch Comment
  UCR116660  Gnaphalium palustre A. C. Sanders, Carolyn Washburn 2001-5-10 24245 Riverside Perris-Aguanga Basin, San Jacinto River Valley, south side of intersection of Sanderson Ave. and Ramona Blvd., c. 4 mi. NW of San Jacinto 445 Comment
  UCR172230  Gnaphalium palustre John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County; along San Diego Aqueduct right of way between Benton Road and the obvious drainage to the south 412 Comment
  UCR20862  Gnaphalium palustre Steve Boyd 1980-1 s.n. Riverside Perris Basin, Motte Reserve; rocky hills 2.5 mi NW of Perris 518 Comment
  UCR167857  Gutierrezia californica T. B. Salvato, Melissa Clemons 2005-6-23 1326 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  RSA0120315  Gutierrezia microcephala Duncan S. Bell, Thomas Stoughton 2016-3-16 8956 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central/southeastern section of range, approximately 2.5 air miles north of Gucci Spring. 511 Comment
  CAS-BOT-BC231104  Harpagonella palmeri Steve Boyd 1986-4-22 1767 Riverside Temescal Canyon: E side of Indian Wash, S of Interstate 15 Comment
  SD152935  Hazardia squarrosa var. grindelioides Steve Boyd, Tim Ross, Dave Bramlet 1992-9-9 7667 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Upper San Mateo Canyon, from the junction of Tenaja Road (7S01) and Los Alamos Road (7S04) at the confluence of Los Alamos Creek, up the San Mateo Trails north to Potrero de la Cienaga 395 Comment
  UCR102884  Hedypnois cretica A. C. Sanders 1997-3-26 20124 Riverside Lake Skinner area, large clay patch adjacent to the Skinner entrance road, c. 1 km NE of Borel Rd. 473 Comment
  RSA594122  Hedypnois cretica D. L. Banks, Victor Steinmann 1996-4-20 0880 Riverside NW Palomar Mountains; Agua Tibia Mountains; N face of Dorland Mtn., on the W side of the Dorland Mountain Arts Colony; Along a circular drive that runs along the W end of the compound. 567 Comment
  RSA0012943  Helianthus californicus P. A. Munz 1922-9-5 6362 Riverside Strawberry Valley, north end. 1677 Comment
  POM360037  Helianthus gracilentus Christopher Davidson 1975-6-16 2802 Riverside Ca. 2 miles S of Banning on road R1 to Idyllwild. 823 Comment
  RSA788961  Helianthus gracilentus R. F. Thorne, E. W. Lathrop, Walter Wisura 1977-7-8 49536 Riverside Santa Ana Mountains: along Ortega Highway (74) 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
  UCR19233  Helianthus petiolaris John C. Roos 1965-7-29 s.n. Riverside Hemet Comment
  RSA34522  Heliotropium curassavicum var. oculatum N. C. Cooper 1943-1 948 Riverside Hemet. 305 Comment
  RSA525229  Hemizonia kelloggii Steve Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4606 Riverside Vail Lake area, NE of lake along Powerline road, 0.6 mile W of jct Hwy R3. Comment
  UCR117087  Hemizonia kelloggii A. C. Sanders, T. B. Salvato 2001-5-16 24299 Riverside Perris-Aguanga Basin, S of Hemet, 1/4 mi. south of Gibbel Rd. about 1 mile east of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Butte, south of mouth of Avery Cyn. 518 Comment
  UCR231766  Hemizonia paniculata John F. Green 2008-4-23 09- 04 Riverside Peninsular Range; SE Gavilan Hills, powerline route in hills SE of Perris, east of Hwy 74 and north and NE of Eugene St., both sides of Theda St. 503 Comment
  RSA520922  Hemizonia pungens subsp. laevis D. E. Bramlet 1990-7-26 2062 Riverside Murrieta Creek at the Rancho California Street bridge in Temecula. On W side of creek, just E of Diaz Rd and within the creek channel 330 Comment
  UCR89822  Hemizonia pungens subsp. pungens Karen Kirtland 1993-6-19 s.n. Riverside San Jacinto River Valley, along Hwy I-215 between 4th St. (Perris) and c. 0.25 mile south of the San Jacinto River crossing 430 Comment
  JOTR16736  Hesperocallis undulata Leary, Pat 1975-4-27 1116 Riverside Joshua Tree National Park. TWO MILES EAST OF PINTO WELLS 487 Comment
  RSA0016113  Hesperocallis undulata Jim Andre, G. L. Clifton, Ron Kelley 2013-3-21 24399 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
  CAS-BOT-BC131792  Hesperoyucca whipplei E. K. Balls 1955-4-25 20443 Riverside Mt. San Jacinto Comment
  UCR270177  Heteromeles arbutifolia A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42400 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
  SEINET11266844  Heterotheca grandiflora N. Duane Atwood, L. Stritch 1993-4-2 17869 Riverside Aqua Tibia Wilderness, Palomar Ranger District.; 0 671 Comment
  UCR193883  Heterotheca sessiliflora A. C. Sanders 2008-7-25 35894 Riverside Peninsular Range; San Jacinto Mtns., May Valley, Bonita Vista Rd. near May Valley Rd. 1547 Comment
  CAS-BOT-BC203347  Hibiscus denudatus H. M. Hall 1905-4-17 5782 Riverside 10 miles west of Coachella 121 Comment
  HSC66721  Hibiscus denudatus Christopher Davidson, Josephine Jones 1980-4-4 9961 Riverside W end of Orocopia Mtns., canyon and wash S of Oro Peak 518 Comment
  JOTR28877  Hibiscus denudatus La Doux, Tasha, Bill Truesdell 2004-3-17 1112 Riverside Joshua Tree National Park. Cottonwood Mtns; just north of southern boundary 563 Comment
  RSA719237  Hibiscus denudatus Michael Honer, L. Hulse 2004-4-3 1915 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
  POM360477  Hieracium horridum M. B. Dunkle 1933-7-19 3685 Riverside Tahquitz Ridge, San Jacinto Mts 2500 Comment
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Feb 12 2009
  RSA0124124  Hilaria rigida Duncan S. Bell, Sarah De Groot, LeRoy Gross 2016-2-17 8737 Riverside Santa Rosa Mountains; collecting on the Martinez Slide to the north of Toro Canyon, approximately 5.25 air miles east northeast of the summit of Martinez Mountain. 115 Comment
  SDSU12876  Hirschfeldia incana J. Jill Steinberg, Janet Knotts and Kevin Contreras 1998-3-25 32 Riverside Approxiately 200 feet north of Santa Margarita (SDSU) Field Station trailer, on trail to road leading down to Santa Margarita River. 335 Comment
  CAS-BOT-BC206379  Hoffmannseggia microphylla Alan Prather; Alice Hempel 1993-5-16 1346 Riverside Along I-10, 20.1 km E of Coachella, at the rest stop for the westbound lanes. Desert wash along the interstate. 400 Comment
  CAS-BOT-BC207553  Hoffmannseggia microphylla J. Beley 1974-2-22 0443 Riverside halfway between 195 and Cactus City on roadside (w. of Buried mnt.) Comment
  SBBG68865  Hoffmannseggia microphylla L. Rowntree -May-1930 Riverside Fish Traps, Colorado Desert Comment
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Feb 3 2011
  SEINET5500004  Hoffmannseggia microphylla A. C. Sanders 1995-5-23 17113 Riverside Colorado Desert, Coachella Valley: alluvial fans below the Santa Rosa Mtns., N r Toro Cyn., W of Monroe St., So o Ave. 62 15 Comment
  UCSB37863  Holocarpha virgata Clarke, Oscar 1971-11-14 Riverside Mesa de Colorado on the Santa Rosa Plateau, near Santa Rosa Ranch; ~8 mi. West of Murietta; just N of San Diego County line 626 Comment
  UC1523647  Holocarpha virgata subsp. elongata Robert F. Thorne, Steve Boyd, and Earl Lathrop 1985-7-18 61185 Riverside Cole canyon; Santa Rosa Reserve, Nature Conservancy Reserve 535 Comment
  UCR141246  Holocarpha virgata subsp. elongata A. C. Sanders, Mike Misenhelter 2004-10-6 28826 Riverside Santa Ana Mtns./Santa Rosa Plateau, hill 2139 at west end of the Mesa De Colorado, private land on the west side of Via Volcano adjacent to the Santa Rosa Plat. Ecol. Reserve 640 Comment
  CAS-BOT-BC174030  Hordeum depressum A. C. Sanders 2003-5-9 26582 Riverside San Jacinto Valley: west of Hemet, west edge of Warren Road just north of Hwy 74 (Florida Ave.) 457 Comment
  CAS-BOT-BC285036  Hordeum depressum A. C. Sanders 1993-5-12 14016 Riverside Hemet, W side of Warren Road, 1/2 mile S of Florida Ave. (Hwy 74), between the New San Diego Aqueduct and Warren, directly opposite of the W end of Whittier Rd. 460 Comment
  UCR85535  Hordeum depressum A. C. Sanders 1993-4-5 13697 Riverside San Jacinto Valley, west edge of Hemet, along south side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and north of Florida Ave./ Hwy 74 460 Comment
  SEINET13262567 Image available Hordeum intercedens D. E. Bramlet 2001-1 3137 Riverside San Jacinto Wildlife Area, east of Davis Rd. at the San Jacinto River 434 Comment
  UCR269908  Hordeum intercedens D. E. Bramlet, Amy Hills, R. E. Riefner Jr., Russell Huddleston 2005-3-2 3669 Riverside Perris-Agunaga Basin Region; San Jacinto Valley, west of Hemet, east of San Diego Canal, west of Warren Rd., south of Hwy 74, north of W Stetson Ave. 457 Comment
  POM47568  Horkelia clevelandii Philip A. Munz, I. M. Johnson 1924-7-28 8809 Riverside Pine Flats. 1738 Comment
  SBBG2937  Horkelia clevelandii R. Hoffmann 1929-9-6 Riverside Tahquitz Valley Comment
  JEPS68627  Horsfordia alata Marjorie D. Clary 1929-12-1 Riverside Coral Reef Ranch Colorado Desert, Coachella Comment
  SD229153  Hosackia crassifolia var. crassifolia Dick Schwenkmeyer 2012-8-27 802 Riverside 3.2 miles southeast of the intersection of highway 243 and Fuller's Mill road, 7.5 miles north of Idyllwild. 1887 Comment
  POM41959  Hymenoclea salsola Marcus E. Jones 1924-2-7 s.n. Riverside Salton Sea near Oasis. Comment
  RSA190629  Hymenoclea salsola L. B. Ziegler 1967-6-5 s.n. Riverside Pinyon Flats, San Jacinto Mts. Comment
  RSA783654  Hymenoclea salsola J. D. Olmsted 1959-4-18 428 Riverside Drainage area to Santa Ana River. Puente Hills. 0.5 mi N of Prado dam along east side of Hwy 71. 213 Comment
  CHSC99604  Hymenoclea salsola var. salsola LeRoy Gross 2005-3-3 1596 Riverside Colorado Desert; Northeastern Colorado Desert region: Palen Mountains, south side. Near end of old prospect road. Near 33.71244N, 115.11171W to 33.72053N, 115.11051W. General collecting along ridge with patino and a rejuvenate steep sided rocky, sandy canyon just to the east. All on a sparse vegetative pebbly plain bajada. 225 Comment
  JOTR37450  Hymenoxys cooperi Hodges, Stephen, T. Green 2016-5-24 572 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; On slopes with granitic boulders descending down east side of Minerva Hoyt peak towards Lost Horse area and in sandy washes beneath slopes (Stop 3). Comment
  RSA180466  Hypochaeris glabra E. W. Lathrop 1960-5-6 4787 Riverside 10 miles west of Murrieta. Comment
  CAS-BOT-BC219746  Hyptis emoryi S. B. Parish 1896-4-4 4137 Riverside Palm Springs, (Agua Caliente), desert base of San Jacinto Mt. 213 Comment
  CAS-BOT-BC219759  Hyptis emoryi V. Newsom 1927-3-25 s.n. Riverside Painted Canyon, Colorado Desert Comment
  JOTR32428  Hyptis emoryi La Doux, Tasha, M. Harding, J. Lynam, B. Truesdell, K. Kain 2011-3-10 2124 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Fargo Canyon; where 4x4 road meets southwest park boundary; steep-walled canyon 533 Comment
  UCR114328  Ipomoea hirsutula Mitch Provance 1998-9-28 1158 Riverside City of Riverside, Hillside area, Joseph and Socorro Gomez residence, 5575 Dean Way. 238 Comment
  UCD126498  Ipomoea triloba T. C. Fuller 1962-10-2 9701 Riverside northwest of Neighbors Blvd. and Ave. 22, 1.4 miles north of Ripley. Comment
  CAS-BOT-BC311610  Isocoma acradenia var. eremophila Louis C. Wheeler 1931-11-27 375 Riverside 5 mi. SE Mecca, Colorado Desert -60 Comment
  CAS-BOT-BC311615  Isocoma acradenia var. eremophila S. B. Parish 1913-2-28 8475 Riverside Mecca, Salton Sink -60 Comment
  RSA754121  Isocoma acradenia var. eremophila W. Schlegel, Andrew Troutte Jordan, Jordan Zylstra 2008-9-4 20 Riverside San Jacinto and Santa Rosa Mts.: Idyllwild: Along road. Comment
  RSA772331  Isocoma acradenia var. eremophila Orlando Mistretta, Duncan Bell, Jill Beckman, J. D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4511 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA757451  Isoetes howellii R. F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55204 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta near S. edge of plateau, approached from De Luz road 730 Comment
  SD240870  Iva axillaris A. C. Sanders, John F. Green 2012-5-27 40215 Riverside Peninsular Range; Perris-Aguanga Basin Region: eastern edge of Gavilan Hills, powerline route west of San Jacinto River and east of Hwy 74, 5.6 km SE of Perris. 441 Comment
  UCR241786  Iva axillaris A. C. Sanders, Timothy W. Chumley 2013-4-1 40724 Riverside Peninsular Range; Elsinore Valley, Hwy 74 at Collier, large vacant parcel at SE corner of intersection, NE edge of Lake Elsinore, between Riverside Dr. (Hwy 74) and Enterprise Way 385 Comment
  CAS-BOT-BC6218  Ivesia callida Harvey Monroe Hall 1901-8-1 2611 Riverside San Jacinto Mountains, near Tauquitz. 2438 Comment
  UCR261370  Juglans A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-6 41571 Riverside Peninsular Range, Temescal Valley, open parcel on west side of Horsethief Canyon Rd. and south of DePalma Rd. 387 Comment
  RSA0011072  Juglans californica A. C. Sanders, O. F. Clarke 1991-6-10 11128 Riverside Upper Santa Ana River/San Bernardino Valley: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  UCR114749  Juglans californica A. C. Sanders, K. C. Rose 1999-6-18 22803 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave., 1/2 mile south of Rawson Rd. 439 Comment
  CAS-BOT-BC413814  Juglans regia R. E. Riefner, Jr. 2014-10-1 14 -365 Riverside City of Lake Elsinore, S of Lincoln St., W of Hwy. 74 at Flannery St. 402 Comment
  CAS-BOT-BC110070  Juncus acutus W. R. Dudley 1903-12-29 612 Riverside Palm Gulch - Palm Springs. Comment
  CAS-BOT-BC110075  Juncus acutus S. B. Parish 1907-4-22 6146 Riverside Western border of the Colorado Desert. Palm Canon [Canyon]. 200 Comment
  RSA69622  Juncus acutus subsp. leopoldii F. W. Peirson 1924-12-30 5409 Riverside Thousand-Palms Canyon, north side of Coachella Valley. 122 Comment
  UCR41375  Juncus balticus N. M. Fellows 1985-1-5 57 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mtn., 1 mi west of Snow Creek Village 506 Comment
  CLARK-A1528-18  Juncus bufonius C. M. Flanagan 1973-5-22 OO 901 Riverside Santa Ana River Comment
  RSA368165  Juncus bufonius N. C. Cooper 1944-5-6 2636 Riverside Whitewater Canyon. 457 Comment
  UCR100779A  Juncus bufonius var. congestus Robert Noll 1998-6-17 s.n. Riverside Murrieta area, De Portola Road near Lake Skinner 400 Comment
  UC1099771  Juncus bufonius var. occidentalis Frank W. Peirson 1922-4-29 2928 Riverside s side Lake Elsinore Comment
  RSA69842  Juncus cooperi F. W. Peirson 1933-4-12 10634 Riverside Dos Palmas, northern Colorado desert 30 Comment
  RSA357162  Juncus luciensis Robert F. Thorne, E. W. Lathrop 1975-5-20 45498 Riverside Santa Rosa Plateau: Rancho California, Mesa de Burro 610 Comment
  RSA617722  Juncus macrophyllus Scott D. White 1996-8-1 4429 Riverside Idyllwild Area: Highway 243 at Deer Springs trailhead and adjacent area., 33 deg 45N, 116 deg 43 W. 1707 Comment
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May 26 2008
  UCR40551  Juncus macrophyllus Steve Boyd 1985-7-23 1020 Riverside Peninsular Range, De Luz Road, 8 mi west of Rancho California. Side canyon of Sandia Creek 305 Comment
  UCR14556  Juncus mexicanus A. C. Sanders 1974-5-12 00674 Riverside Santa Rosa Mtns, San Bernardino National Forest, Cactus Spring Trail, where trail crosses Horsethief Creek 1067 Comment
  UCR193370  Juncus oxymeris A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35636 Riverside Peninsular Range; San Jacinto Mtns., May Valley, along nameless tributary of Herkey Creek NW of Bonita Vista Rd., 3/4 mi. SW of Fleming Ranch 1524 Comment
  UCR201685  Juncus oxymeris Scott D. White, Justin M. Wood 2008-6-19 12258 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  RSA70054  Juncus rugulosus F. W. Peirson 1924-7-28 5010 Riverside Pine Flats Camp 1799 Comment
  RSA704863  Juncus rugulosus J. B. B. 1934-6-18 526 Riverside Snow Creek; base of San Jacinto. Comment
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Feb 16 2013
  UCR23213  Juncus rugulosus S. Gallagher 1981-6-1 32 Riverside Box Springs Mtns., Box Springs Road 1.8 mi south of intersection w/ Pigeon Pass Road. Site on the SE corner of intersection of Box Springs Road & a dirt side road leading to W slope of the mtns. 747 Comment
  SEINET1906761  Juncus textilis Scott D. White, R. Jonson 1995-1 3794 Riverside San Bernardino Mtns: Sycamore Canyon, ca 1.3 air mi W-NW of ''Inspiration Point'' on Hwy 18; ca. 1.1 air mi S of Marshall Peak. 610 Comment
  UCR20876  Juncus tiehmii A. C. Sanders 1978-7-3 790 Riverside San Jacinto Mountains, along old fire road between the James Reserve and the Black Mountain Road 1677 Comment
  UCR108837  Juncus xiphioides O. F. Clarke 1972-5-21 s.n. Riverside Riverside, Santa Ana River near Union Pacific Bridge 213 Comment
  UCR201867  Juncus xiphioides Justin M. Wood 2008-9-30 171 Riverside SW Perris Basin, Temecula/Murrieta Creek, downstream of 1st Street bridge 305 Comment
  IRVC1218  Juniperus californica R. H. Whittaker, W. A. Niering 1963-5-31 SJ 116 Riverside Elks Road. Peninsular Ranges, Santa Rosa Mountains 1265 Comment
  UCR23316  Juniperus californica John C. Roos 1952-4-16 5541 Riverside Box Springs Mtns. 457 Comment
  SEINET10867013  Juniperus californica Huron H. Smith 1912-1 Smith 5482 Riverside Santa Rosa Mountains. Comment
  CAS-BOT-BC234604  Justicia californica Philip A. Munz 1940-3-24 15692 Riverside 3 miles south of Cottonwood Springs, Wagle [Eagle] Mts. 457 Comment
  JEPS9191  Justicia californica W. L. Jepson 1927-4-12 11674 Riverside Painted Canyon, Mecca Hills Mecca Hills, Painted Canyon 76 Comment
  RSA398814  Justicia californica Robert L. Dressler 1949-3-19 413 Riverside Box Canyon, Orocopia Mts. Comment
  RSA0062477  Kallstroemia californica A. C. Sanders, T. B. Salvato 2012-10-12 40416 Riverside Chuckwalla Valley, along Chuckwalla Valley Rd., 0.35 mi. west of I-10 junction. 114 Comment
  UCR245986  Kallstroemia californica Duncan S. Bell 2012-9-13 4191 Riverside Sonoran (Colorado) Desert, Rice Valley; east side of the Arica Mountains; c. 6 air miles southeast of the ghost town of Rice and c. 5.5 air mi east of Priests Well 202 Comment
  SEINET13768160  Keckiella antirrhinoides A. C. Sanders, G. Helmkamp 1997-3-15 19952 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 518 Comment
  LA209286  Keckiella antirrhinoides var. antirrhinoides J. Sauer; R. Minnich 1977-4-7 5960 Riverside N Fork of San Jacinto Canyon near Hemet 609 Comment
  POM17864  Keckiella cordifolia Philip A. Munz 1923-6-14 7100 Riverside Glen Ivy Trail to Santiago Peak, Santa Ana Mountains. 915 Comment
  RSA400445  Keckiella cordifolia Gale Sphon 1955-6-23 s.n. Riverside Horsethief Canyon, Elsinore Mountains. Comment
  SD122960  Keckiella cordifolia Steve Boyd 1985-7-23 1022 Riverside De Luz Road, 8.5 mi west of Rancho California. Between roadcut and riparian area of Sandia Creek 274 Comment
  UC54995  Keckiella cordifolia H. M. Hall 1897-5-27 573 Riverside Cold Water Canyon; Santa Ana Mts. Comment
  JEPS11220  Keckiella ternata W. L. Jepson 1903-8-3 2258 Riverside Idyllwild; San Jacinto Mt. 1524 Comment
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Aug 21 2011
  UCR92082  Kochia scoparia Scott D. White, S. Ogg 1994-10-17 2474 Riverside Temecula Valley, Murrieta Creek, 1000-3000 ft. south of Winchester Road bridge (Banana Avenue) 317 Comment
  RSA500564  Koeleria macrantha Steve Boyd, Timothy S. Ross, L. Arnseth 1989-6-4 3607 Riverside Vail Lake area, sandy benches of Kolb Creek drainage, around N extension of Woodchuck Rd. 488 Comment
  RSA627575  Koeleria macrantha Scott D. White, Julie Greene 1998-8-1 6965 Riverside Idyllwild Area: Roadside uplands and meadows within residential community above/parallel to E bank of Strawberry Creek between crossing at Circle Drive and Humber Park. 1829 Comment
  UCR24950  Koeleria macrantha A. C. Sanders 1980-7-18 1649 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  CAS-BOT-BC61435  Krameria bicolor Carl B. Wolf 1932-4-29 3099 Riverside Eastern Colorado Desert. W. edge of Maria Mts. 17 mi. from Blythe on Rice Road 152 Comment
  SEINET3151183  Krameria canescens S. B. Parish 1907-4-23 6109 Riverside Western border of the Colorado desert 150 Comment
  JOTR37457  Krameria erecta Hodges, Stephen, T. Green 2016-5-24 579 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; On slopes with granitic boulders descending down east side of Minerva Hoyt peak towards Lost Horse area and in sandy washes beneath slopes (Stop 3). Comment
  UCR52008  Krameria erecta Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2204 Riverside Sonoran (Colorado) Desert, NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  RSA408599  Krameria grayi Robert Gustafson 1980-5-5 1570 Riverside Whitewater Canyon Road, 0.4 of a mile from the junction with Interstate 10. Whitewater Canyon wash. 610 Comment
  UC667359  Krameria grayi Annie M. Alexander and Louise Kellogg 1941-5-14 2166 Riverside near Shaver Summit; near Shaver Summit 502 Comment
  UCR202038  Krameria grayi Denise Woodard 1998-6-11 s.n. Riverside Sonoran (Colorado) Desert, base of Santa Rosa Mtns. at mouth of Cathedral Canyon, border between Rancho Mirage and Cathedral City, site of proposed Ritz-Carlton Rancho Mirage/ Cathedral Canyon Golf Course 305 Comment
  UC64845  Laennecia coulteri E. A. Zumbo 1904-1-1 438 Riverside Cold Water Canyon Santa Ana Mts. Comment
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Jan 11 2007
  RSA696978  Langloisia schottii Keith E. Hoffmaster 1935-3-31 s.n. Riverside Palm Springs Comment
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Aug 27 2011
  RSA0121060  Langloisia setosissima subsp. setosissima Duncan S. Bell, Thomas Stoughton 2016-3-16 8946 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; central/southeastern section of range, approximately 2.5 air miles north of Gucci Spring. 511 Comment
  SBBG35059  Langloisia setosissima subsp. setosissima H. and M. Dearing 1937-4-10 1344 Riverside Thousand Palms Cyn Comment
  CAS-BOT-BC205629  Larrea tridentata James R. Shevock 1986-3-23 11357 Riverside Colorado Desert Region. Adjacent to Interstate 10 along Eagle Mountain Road, 3 miles west of Desert Center 350 Comment
  CHSC2043  Larrea tridentata V. Holt 1935-4-16 Riverside Colorado Desert. Comment
  CSUSB321  Larrea tridentata K. S. Gill 1965-4-17 Riverside White Water Canyon- 5 miles north of Highway 60 in Colorado Desert. 609 Comment
  CSUSB324  Larrea tridentata Paul M. Estes 1962-5-21 131 Riverside 5 miles east of Indio on Highway 99. Comment
  RSA699275  Larrea tridentata W. Marquart 1938-3-12 s.n. Riverside Along road to Wiley's Well. Southwest of Blythe. Comment
  SBBG56038  Larrea tridentata C. Davidson, B. Gustafson 1977-4-7 5568 Riverside Whitewater Cyn Rd, near start of Pacific Crest Trail 609 Comment
  SEINET3132201  Larrea tridentata Unknown 1906-5-1 229 -6724 Riverside Colorado Desert at Palm Springs, southern California Comment
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Jul 29 2013
  UCR148466  Larrea tridentata 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
  RSA500075  Lastarriaea coriacea Steve Boyd, Tim S. Ross, L. Arnseth 1989-4-2 3237 Riverside Vail Lake area, sandy valley at NE end of lake, N of Wilson Creek 488 Comment
  SEINET3244092  Lasthenia californica Scott D. White, Michael Honer 2003-1 8967 Riverside Hemet Area: Northeast corner of Devonshire Ave, and Warren Road, immediately southwest of ''Tres Cerritos.'' Former chicken farm. 472 Comment
  RSA85450  Lasthenia coronaria J. C. Roos 1952-4-13 5535 Riverside Box Springs Mtns. 396 Comment
  UC665882  Lasthenia coronaria Ira L. Wiggins 1941-3-27 9695 Riverside 4 mi n of Whitewater Comment
  RSA603428  Lasthenia gracilis K. Watkins, Elizabeth McClintock 1937-4-9 s.n. Riverside Meadow between Hemet and Winchester Comment
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Mar 20 2011
  UC69030  Lasthenia gracilis H. M. Hall 1905-4-1 5769 Riverside Bradley Canyon Colorado Desert Comment
  UCD133817  Lasthenia gracilis R. N. Raynor 1933-3-31 s.n. Riverside Moreno Valley. Comment
  JEPS64869  Lathyrus vestitus var. vestitus W. L. Jepson 1939-4-19 19212 Riverside 3 mi s Aguanga; Dripping Spring 731 Comment
  UC50334  Layia platyglossa H. M. Hall 1903-4-1 3981 Riverside vicinity Riverside 365 Comment
  UCR124663  Layia platyglossa B. C. Templeton 1930-4-9 1024 Riverside San Bernardino Mtns., north of Banning 1220 Comment
  UCR16860  Layia platyglossa Heidi A. Haid 1964-5-10 64510- 08 Riverside Peninsular Range; San Jacinto Mtns., about 2 miles east of Idyllwild junction [Mountain Center?] on Hwy 74 'Hemet Meadow 1372 Comment
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Jan 8 2013
  UCR278857  Lemna Mitch Provance 2011-6-15 17100 Riverside Santa Ana River Valley, Riverside, north side of Market St., 100-200 ft. east of the rip rap along the Santa Ana River34 245 Comment
  UCR48498  Lemna gibba Steve Boyd 1986-5-5 1851 Riverside Gavilan Hills, Estelle Mtn. Head of large canyon draining the SE side of Estelle Mtn. Comment
  UCR281001  Lepidium densiflorum Mitch Provance, John Hazlett 2017-4-27 417- 39 Riverside Elsinore Trough, Lake Elsinore, S end of Birch St., 0.1 mi W of Chaney St. and Education Way 386 Comment
  CAS-BOT-BC89434  Lepidium fremontii Ira L. Wiggins 1937-3-9 8755 Riverside 5 miles west of Shaver's Well. Comment
  POM93923  Lepidium fremontii Marcus E. Jones 1926-2-16 s.n. Riverside West of Desert Center Comment
  RSA429919  Lepidium lasiocarpum W. M. Zabriskie 1973-2-21 117 Riverside Upper Pipistrille Canyon, Deep Canyon drainage, north slope of Santa Rosa Mtns. site 17 854 Comment
  RSA429932  Lepidium lasiocarpum Robert L. Dressler 1949-3-19 381 Riverside Box Canyon, Orocopia Mts. Comment
  RSA676157  Lepidium lasiocarpum Scott D. White 2001-4-3 8257 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10/SR 111. 396 Comment
  RSA784722  Lepidium lasiocarpum Duncan S. Bell 2012-3-18 3209 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
  UCR266288  Lepidium lasiocarpum D. E. Bramlet, Fred M. Roberts 2005-6-6 3869 Riverside San Jacinto Valley, San Jacinto River at Sanderson Ave., north of Ramona Expressway 447 Comment
  JOTR33733  Lepidium lasiocarpum var. lasiocarpum La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell 2011-3-31 2733 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
  UC494461  Lepidium lasiocarpum var. lasiocarpum Philip A. Munz 1932-3-15 12006 Riverside Magnesia Spring Canyon Coachella Valley 91 Comment
  RSA737350  Lepidium latifolium Justin M. Wood 2008-9-19 135 Riverside SW Perris Basin: Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR116428  Lepidium strictum A. C. Sanders 2001-5-1 24068 Riverside San Bernardino Valley region, Riverside, UCR campus 335 Comment
  SD229115  Lepidium virginicum subsp. menziesii Dick Schwenkmeyer 2011-8-25 649 Riverside Thomas Mountain, Tool Box Springs Campground 1857 Comment
  CAS-BOT-BC328099  Lepidospartum squamatum J. Beley 1974-2-20 0057 Riverside Magnolia Rd., 0.5 mi S of Cabazon Comment
  SD137865  Lepidospartum squamatum Darin L. Banks, Steve Boyd 1995-10-17 777 Riverside Northwest Palomar Mountains; Agua Tibia Mountains, along lower Arroyo Seco, south of the Dripping Springs Campground. 515 Comment
  RSA557880  Leptochloa fusca subsp. uninervia Steve Boyd, Orlando Mistretta 1992-4-23 7050 Riverside San Mateo Canyon Wilderness Area, along San Mateo Creek from Riverside Co. line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 243 Comment
  UCR260954  Leptochloa mucronata Duncan S. Bell, John Anderson, Kim Clark, Debbie George, Jim George, Ed Howland 2013-9-28 6021 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, c. 22.25 air miles west of Blythe, south side of Ford Dry Lake, about 0.5 air mile southeast of Hopkins Well 107 Comment
  CLARK-A1656-842  Leptochloa uninervia Jon Mark Stewart 1983-11-6 Riverside Palm Desert 60 Comment
  UCR2516  Leptochloa uninervia F. M. Reed 1933-11-10 8312 Riverside Corona 305 Comment
  UCR92237  Leptochloa uninervia Scott D. White, S. Ogg 1994-10-17 2477 Riverside Temecula Valley, Murrieta Creek, 1000-3000 ft. south of Winchester Road bridge (Banana Avenue) 317 Comment
  HSC86251  Leptosiphon ciliatus Jane Hildreth 1981-6-4 31 Riverside James Reserve in the San Bernardino National Forest along Hwy. 243, San Jacinto Mtns. 1616 Comment
  RSA152143  Leptosiphon ciliatus Wesley O. Griesel 1962-6-29 s.n. Riverside San Jacinto Mountains: Dark Canyon. 1921 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
  POM364643  Leptosiphon liniflorus H. Twining 1888-03 s.n. Riverside Riverside Comment
  SD119888  Leptosiphon liniflorus Louis B. Ziegler 1967-9-6 238 Riverside San Jacinto Mountains; Hemet Valley, Quinn Flat region. 1372 Comment
  UCR133963  Lessingia filaginifolia Mitch Provance, J. S. Ross 1998-3-27 MOR- 955 Riverside San Bernardino Mtns., Morongo Indian Reservation, road to Lion Cyn., c. 2.1 miles NE of Cabazon 549 Comment
  UCR202034  Lessingia filaginifolia Denise Woodard, G. Nuhn 1995-8-21 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, 300 acre parcel at west end of Domenigoni Valley, c. 3 miles south of Winchester on the west side of Winchester Rd. 470 Comment
  UCR143313  Lessingia filaginifolia var. filaginifolia I. W. Clokey, E. G. Anderson 1935-8-21 6962 Riverside Peninsular Ranges; San Jacinto Mountains, North fork, San Jacinto River 1500 Comment
  RSA198978  Lilaea scilloides Robert F. Thorne, E. W. Lathrop, Ora M. Clark, S. Carlquist 1968-4-18 37422 Riverside Santa Rosa Plateau: Rancho California, E of Redonda Mesa 610 Comment
  RSA234048  Lilaea scilloides Robert F. Thorne, E. W. Lathrop 1969-6-6 39316 Riverside Santa Rosa Plateau: Rancho California, Mesa de Colorado 624 Comment
  UCR115943  Limonium sinuatum Mitch Provance 1998-6-11 674 Riverside Jurupa Mountains, 'Twin Canyons', south of the historical community known as Declezville; housing development now known as Southridge 320 Comment
  UC1329876  Linanthus aureus James E. Cole 1941-4-15 594 Riverside Pleasant Valley Joshua Tree National Monument 762 Comment
  UC23402  Linanthus bigelovii W. G. Wright 1890-3-10 759 Riverside Colorado Desert Comment
  UCD118518  Linanthus californicus Edward J. Hall 1951-4-21 26 Riverside 1.7 miles S of Beaumont near Lamb's Canyon Road. Comment
  HSC92523  Linanthus dianthiflorus D. Atwood, L. Stritch 1993-4-2 17902 Riverside Santa Rosa Plateau TNC Preserve and adjacent to BLM administrated lands 671 Comment
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Dec 3 2012
  SBBG101706  Linanthus dianthiflorus S. Boyd with T. Ross, M. Hammitt 1991-5-2 6081 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
  POM364589  Linanthus dianthiflorus subsp. dianthiflorus Ora M. Clark 1929-4-7 2039 Riverside S. Hemet. Comment
  UC718524  Linanthus floribundus subsp. floribundus Carl B. Wolf 1936-6-17 Riverside 0.5 mi e Orange County line (along Ortega Highway, San Juan Canyon); Santa Ana Mts., San Juan Canyon 365 Comment
  RSA776290  Linanthus jonesii Duncan S. Bell, Amanda Turek 2010-4-10 834 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine and Calzona Mine; approximately 3.8 air miles west of the Colorado River; approximately 2 air miles northeast of Riverside Mountain Peak. 198 Comment
  UCR114126  Linanthus jonesii B. G. Pitzer, J. Ross 1998-3-8 3608 .2 Riverside Sonoran (Colorado) Desert, N-facing bajada on south side of Hayfield Lake, between lakebed and Hwy I-10 427 Comment
  UCR22120  Linanthus lemmonii Steve Boyd 1980-4-13 126 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  JEPS58469  Linanthus liniflorus W. L. Jepson 1901-5-18 1259 Riverside San Jacinto River Upper San Jacinto Valley 487 Comment
  UCR89453  Linaria canadensis Steve Boyd, D. L. Banks 1994-4-5 8260 Riverside Santa Ana Mtns., San Mateo Canyon Wilderness Area of the Cleveland National Forest, in the vicinity of Oak Flats east of Verdugo Potrero 762 Comment
  POM259257  Linum lewisii P. A. Munz 1938-8-14 15381 Riverside East of Toro Peak, Santa Rosa Mts. 2287 Comment
  RSA731074  Lithophragma affine subsp. mixtum Steve Boyd, Aydee Virgen 2004-4-13 10881 Riverside San Mateo Canyon, midway between confluence with Los Alamos Canyon and Tenaja Canyon. Comment
  UCR4110  Lobularia maritima Ronald M. Cope 1965-4-13 s.n. Riverside Riverside. On side of earthen dam, south of where Gage Canal goes underground for the second time after having crossed Le Conte Dr. 259 Comment
  UCR213617  Loeflingia squarrosa A. C. Sanders, Matthew Malle 2010-4-23 38011 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  UCR21947  Loeflingia squarrosa Steve Boyd 1980-4-13 120 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  RSA25369  Loeseliastrum matthewsii C. L. Hitchcock 1940-3-31 5885 Riverside 0.5 mile below Cottonwood Springs Comment
  RSA781796  Loeseliastrum matthewsii Duncan S. Bell 2010-5-1 883 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
  RSA468344  Loeseliastrum schottii Robert Gustafson, Gary D. Wallace 1982-5-19 2569 Riverside Pines to Palms Hwy (Hwy. 74), vicinity of Pinyon Flat campground. Comment
  RSA468348  Loeseliastrum schottii M. B. Dunkle 1937-3-25 4940 Riverside Southeast of Indio. Comment
  CAS-BOT-BC342105  Logfia arizonica Steve Boyd 1986-5-7 1825 Riverside Alberhill Mountain: Lower slopes of south flank, just E of claymine area Comment
  SD185138  Logfia depressa A. C. Sanders, P. J. MacKay, et al. 1997-2-8 19675 Riverside Palm Springs, Indian Avenue at Las Vegas Road, below mouth of Chino Canyon. 188 Comment
  CAS-BOT-BC342262  Logfia filaginoides Edmund C. Jaeger 1932-5-12 s.n. Riverside Aguanga 600 Comment
  UCR59762  Logfia filaginoides Steve Boyd, T. S. Ross, L. Arnseth 1989-3-31 3071 Riverside Peninsular Range, Vail Lake area, south of Hwy 79, 0.25 mi east of Pauba Road 457 Comment
  POM47732  Lomatium dasycarpum subsp. dasycarpum J. B. Feudge 1924-3-22 556 Riverside Beaumont 762 Comment
  SD215374  Lomatium lucidum Steve Boyd, Tim Toss et al 1990-4-2 4039 Riverside Vail Lake area,lower slopes of Agua Tibia Mountain, along Highway 79, east of USFWS Dripping Springs Guard Station 487 Comment
  UC917584  Lomatium lucidum Frank W. Gould 1944-4-5 2218 Riverside 11.5 mi SE of Temecula Comment
  UCR244427  Lomatium mohavense Jim Andre 2012-4-16 20960 Riverside Southern Mojave Desert, Joshua Tree National Park; north side of Mt Ryan at Sheep Pass Campground area 1370 Comment
  JEPS17570  Lomatium utriculatum W. L. Jepson 1914-5-25 6079 Riverside e. Redlands (<San Timotes> Canyon); San <Timotes> Canyon Comment
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Sep 3 2011
  POM296448  Lonicera subspicata Lyman Benson 1945-11-10 11912 Riverside 5 miles east of Temecula. 457 Comment
  UCR164066  Lonicera subspicata John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, Los Alamos Canyon 1.5 mi. SW of Los Alamos Ranch, just outside Cleveland Nat. Forest boundary 564 Comment
  SD51938  Lonicera subspicata var. johnstonii Reid Moran 1962-7-7 9869 Riverside By Strawberry Creek, 2.0 miles southwest of Idyllwild, San Jacinto Mountains. 1550 Comment
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Feb 23 2013
  CLARK-A1528-481  Lotus argophyllus Charlotte Stocks 1964-6-12 Riverside Whitewater Canyon Comment
  UCR164938  Lotus argophyllus T. B. Salvato, John F. Green 2004-5-27 632 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
  RSA585745  Lotus hamatus D. L. Banks, S. D. Boyd 1995-5-9 0409 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. 737 Comment
  UCR116456  Lotus hamatus A. C. Sanders, T. B. Salvato 2001-3-30 23871 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. Pina Colada 366 Comment
  UCR174115  Lotus hamatus A. C. Sanders, T. B. Salvato 2006-6-2 33085 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. 579 Comment
  RSA704877  Lotus heermannii J. B. B. 1934-2-19 s.n. Riverside Idyllwild. Comment
  UC15655  Lotus heermannii H. M. Hall 1897-1 Riverside San Jacinto Mountains 1828 Comment
  UC61698  Lotus heermannii L. D. Copeland May 1904 Riverside West Canyon Palm Springs Comment
  RSA792924  Lotus humistratus A. C. Sanders 2011-4-7 39033 Riverside Temescal Canyon, between Horsethief Canyon and Glen Eden, along I-15 Frontage Rd., SE of Lee Lake 381 Comment
  UCR93066  Lotus purshianus A. C. Sanders, S. Ogg 1994-7-28 15193 Riverside San Bernardino Valley, Colton & Riverside: Santa Ana River from the Riverside Ave. (N. Main St.) bridge downstream almost to Market St. crossing, both sides of San Bernardino Co. line, but mostly RIV 246 Comment
  JOTR30144  Lotus rigidus La Doux, Tasha 2008-2-4 1710 Riverside Joshua Tree National Park. Stop #1: Hexie Mtns./Porcupine Wash; open sandy wash near road heading to Cottonwood. 745 Comment
  RSA406795  Lotus rigidus Christopher Davidson 1973-4-19 1977 Riverside Joshua Tree Natl. Monument, ca 4 mi. E of Split Rock, ca 1.5 mi S of park entrance. 1220 Comment
  SEINET2042331 Image available Lotus rigidus George K. Helmkamp, E. A. Helmkamp 1998-4-23 3376 Riverside Santa Rosa Mountains; Pinyon Pines along CA-74 between the San Jacinto and Santa Rosa Mountains. 1296 Comment
  UCR142852  Lotus rigidus M. B. Dunkle 1935-3-31 4438 Riverside Sonoran (Colorado) Desert, Cottonwood Mtns., Cottonwood Springs [Canyon] '2300 ft. 915 Comment
  UCR124141  Lotus salsuginosus Steve Boyd, T. S. Ross, L. Arnseth 1990-3-29 3834 Riverside Peninsular Range, Vail Lake area, cinder cone ridge at north side of mouth of Temecula Creek Canyon and adjacent benches on S flank of 'Big' Oak Mtn. 549 Comment
  JOTR31772  Lotus salsuginosus var. brevivexillus Andre, Jim, Tasha La Doux 2009-3-10 11239 Riverside Joshua Tree National Park. South end of the Cottonwood Mountains, near Pinkham Wash just north of aquaduct just inside park boundary; approx. 7mi west of south entrance 541 Comment
  RSA648718  Lotus scoparius Dennice McDougall 1981-5-9 824 Riverside S on Hwy 71, 5 mi. N of Hwy 74. Road margin above Lake Elsinore. Comment
  UCR174090  Lotus scoparius subsp. brevialatus A. C. Sanders 2006-5-19 32433 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
  UCR230925  Lotus scoparius var. brevialatus T. B. Salvato, Richard Camacho 2011-6-12 5478 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
  RSA319651  Lotus scoparius var. scoparius Patricia Wilder 1971-5-13 4945 Riverside Prado Flood control Basin; along bank at east end of top of Prado Dam. 213 Comment
  CLARK-A1528-2808  Lotus strigosus John C. Roos 1954-5-15 6120 Riverside Reche Canyon 731 Comment
  JOTR33849  Lotus strigosus La Doux, Tasha, A. Miller and G. Clifton 2009-4-9 3061 Riverside Joshua Tree National Park. north eastern tip of Eagle Mountains; sandy wash leading to Pinto Wash 354 Comment
  RSA795918  Lotus strigosus Duncan S. Bell 2009-4-18 232 Riverside Arica Mountains; northeast of range, approximately 1 air mile south of the ghost town of Rice. 248 Comment
  RSA92460  Lotus strigosus J. C. Roos, L. Roos 1954-5-15 6120 Riverside Summit of Reche Canyon 732 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
  POM7040  Lotus strigosus var. strigosus P. A. Munz, L. T. Street, G. Williams 1919-3-28 2379 Riverside San Gorgonio Pass, near Cabazon 543 Comment
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Mar 13 2011
  UCR167216  Lotus strigosus var. tomentellus S. J. Myers 2005-3-24 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, east of N end of Salton Sea, along Coachella Canal 12 Comment
  POM24281  Lotus tomentellus Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  UCSC000929  Lotus wrangelianus Peter Kamb 1947-5-17 514 Riverside San Jacinto Mts., Hall Canyon 1646 Comment
  RSA767266  Lupinus arizonicus Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10895 Riverside Eastern Coachella Valley. Bajada beneath Mecca Hills , just east of Coachella Canal. 24 Comment
  SEINET2062836 Image available Lupinus arizonicus Norman C. Cooper 1949-4-8 3255 Riverside Mecca Pas. E of Indio 548 Comment
  UC1595757  Lupinus arizonicus W. Wisura, J. Dolan, M. Wall 1992-3-24 4621 Riverside on Box Canyon Rd. 5.5 mi ne Mecca (Lowdesert); ne of Mecca Comment
  RSA776232  Lupinus bicolor Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-29 872 Riverside Haugen Lehmann exit, Pacific Crest Trail up into canyon east of Cottonwood Canyon 762 Comment
  SBBG92279  Lupinus bicolor J. Hirshberg 1989-4-3 Riverside S of town of Murrieta, W of Mesa de Burro, Santa Rosa Plateau 609 Comment
  UCR86875  Lupinus bicolor A. C. Sanders, James C. Dice, K. C. Rose, D. Woodard 1995-3-29 16250 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
  RSA87084  Lupinus brevior F. W. Peirson 1922-4-9 2894 Riverside near Palm Canyon stream about 0.5 mile below mouth of Canyon, Palm Springs region Comment
  SEINET5558728  Lupinus concinnus H. S. Gentry 1962-1 19743 Riverside 6-8 mi. SE of Temecula. 335 Comment
  SEINET7063226 Image available Lupinus concinnus A. G. Vestal 1963-5-19 s.n. Riverside About 0.5 mile west of Cahuilla. UTM Zone 11, 522925mE, 3711215mN. (WGS84/NAD83). 1088 Comment
  UCR110938  Lupinus concinnus George K. Helmkamp 1998-6-27 4097 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
  UCR241221  Lupinus concinnus Tracy Tennant, Jeffrey Ross 1998-4-9 MOR- 1010 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Wood Canyon, east of upper Potrero Canyon 1305 Comment
  UCSB3264  Lupinus concinnus Keator, Glenn 1959-5-17 Riverside On Pines to Palms highway; about 10 miles south of Idyllwild Comment
  RSA557887  Lupinus concinnus subsp. concinnus Steve D. Boyd, Orlando Mistretta 1992-4-22 7018 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Indian Potrero Trail south from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon. 610 Comment
  RSA87096  Lupinus concinnus subsp. optatus F. W. Peirson 1938-5-30 s.n. Riverside Thomas Mountain, Hemet Valley. 1402 Comment
  UCR136251  Lupinus excubitus A. C. Sanders 2004-4-20 27572 Riverside Santa Ana Mtns., Santa Rosa Plateau, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  UCR167850  Lupinus excubitus T. B. Salvato, Melissa Clemons 2005-6-23 1325 Riverside Peninsular Range; Temescal Valley, 3 miles NW of Alberhill, Temescal Canyon Road at Corona [Lee] Lake 366 Comment
  RSA413603  Lupinus excubitus var. austromontanus Douglas Bothwell 1934-5-14 s.n. Riverside San Jacinto Mts, Idyllwild. 1610 Comment
  RSA171372  Lupinus formosus J. D. Olmsted 1962-5-3 3541 Riverside Along road from Santa Rosa Indian Reservation to Old village, West of Santa Rosa Peak 1494 Comment
  RSA430395  Lupinus formosus M. L. Conrad, David B. Dunn, LeDoux 1973-6-15 292 Riverside 5.9 miles SE of Jct. of Idlewild Road and Hwy 74 on 74. 1220 Comment
  RSA594769  Lupinus hirsutissimus D. L. Banks, Dylan Hannon 1996-5-3 0995 Riverside Agua Tibia Mountains; Cleveland National Forest; Dripping Springs Campground, 30 m N of campsite #9. 487 Comment
  SEINET10970268  Lupinus hyacinthinus David B. Dunn 1946-8-18 Dunn 2742 Riverside San jacinto mts., 500 Ft below the peak. Comment
  UCD39069  Lupinus microcarpus var. densiflorus Beecher Crampton 1963-5-7 6780 Riverside 5 miles (in direct line) s.e. of Elsinore, Bundy Road. Western part of county. Comment
  POM122476  Lupinus shockleyi Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio. Comment
  CLARK-A1528-4873  Lupinus sparsiflorus John C. Roos 1937-3-23 434 Riverside Whitewater Comment
  CLARK-A1528-4988  Lupinus sparsiflorus John C. Roos 1948-4-24 3789 Riverside Cabazon Comment
  JEPS24416  Lupinus sparsiflorus Peter M. Ray 1949-3-12 1358 Riverside 2 mi w Whitewater (n side of Coachella Valley); , w of Whitewater 457 Comment
  RSA676091  Lupinus sparsiflorus Scott D. White 2001-4-13 8319 Riverside Badlands; County landfill area north of Moreno Valley. About 1/4 air mi NW of the SR-60 Freeway jtn with Gilman Springs Rd. 595 Comment
  UC1584119  Lupinus sparsiflorus Steve Boyd, Tim Ross, and Laurel Arnseth 1990-3-29 3832 Riverside ridge at n side mouth of Temecula Creek Canyon (and adjacent benches of s flank of Big Oak Mtn); Vail Lake Area 396 Comment
  RSA414270  Lupinus sparsiflorus subsp. sparsiflorus N. C. Cooper 1944-3-24 1029 Riverside Banning. 701 Comment
  RSA414277  Lupinus sparsiflorus subsp. sparsiflorus Christopher Davidson 1973-4-19 1992 Riverside Joshua tree Natl. Monument, various sites along the road, 1-10 miles s of Joshua tree. 1220 Comment
  CLARK-A1045-82  Lupinus succulentus George K. Helmkamp 1978-4-27 Riverside Valle Vista Mountain Avenue and Florida road; roadside; Hemet 7.5'Q Comment
  IRVC29065  Lupinus truncatus June Latting 1979-4-8 s.n. Riverside Box Springs Mountain 366 Comment
  JEPS83239  Lupinus truncatus W. L. Jepson 1935-4-21 17156 Riverside Aguanga; near branch rd. to Pines 603 Comment
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Dec 14 2011
  RSA414396  Lupinus truncatus E. Crow 1929-4-7 300 Riverside Santa Ana Mountains, Corona Skyline Drive. Comment
  RSA583371  Lupinus truncatus Steve Boyd, Darin L. Banks 1995-4-5 8427 Riverside Palomar Range, Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the eastern edge of the Dripping Springs Alcove in tributary of Arroyo Seco, west of the lower Dripping Springs Trail, just south of the Wilderness boundary. 579 Comment
  SD152847  Lupinus truncatus Steve Boyd 1992-4-15 6861 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Bluewater Canyon along Bluewater Trail. 334 Comment
  CAS-BOT-BC436684  Luzula comosa var. laxa Mary F. Spencer 1919-7-19 1197 Riverside Idyllwild, San Jacinto Mt. 1615 Comment
  JOTR30114  Lycium andersonii La Doux, Tasha, Bill Truesdell, Erin Babich 2008-3-10 1681 Riverside Joshua Tree National Park. Stop #1 = Upper Wilson Canyon 993 Comment
  POM251786  Lycium andersonii J. C. Roos 1938-4-27 19 Riverside Hill west of Arlington. Comment
  POM259667  Lycium andersonii Philip A. Munz 1940-3-22 15653 Riverside Whitewater Canyon 2 miles north of Banning-Indio boulevard. Comment
  POM292863  Lycium andersonii Lyman D. Benson 1949-3-28 13565 Riverside Santa Rosa Mountains. Pines to Palms Highway from Palm Springs to Hemet. 732 Comment
  UCR139384  Lycium andersonii F. W. Peirson 1922-4-29 1084 Riverside Perris-Aguanga Region, Aguanga 610 Comment
  UCR213386  Lycium andersonii A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37445 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
  JOTR29347  Lycium cooperi La Doux, Tasha, Bill Truesdell, Naomi Fraga 2006-4-26 1424 Riverside Joshua Tree National Park. Long Canyon; Stop 2, in side canyon east of main wash. 837 Comment
  CAS-BOT-BC231646  Lycium fremontii John Thomas Howell 1928-3-24 3530 Riverside Painted Canon [Canyon], Colorado Desert Comment
  UCR41831  Lythrum californicum A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6098 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  UCR92321  Lythrum hyssopifolia Scott D. White, S. Ogg 1994-10-17 2473 Riverside Temecula Valley, Murrieta Creek, 1000-3000 ft. south of Winchester Road bridge (Banana Avenue) 317 Comment
  POM48848  Machaeranthera asteroides Grout, S. Grout 1909-10-25 s.n. Riverside Riverside Comment
  RSA776297  Machaeranthera pinnatifida subsp. gooddingii Duncan S. Bell, Amanda Turek 2010-4-10 827 Riverside Riverside Mountains; in the vicinity of Mountaineer Mine and Calzona Mine; approximately 3.8 air miles west of the Colorado River; approximately 2 air miles northeast of Riverside Mountain Peak. 198 Comment
  UC33263  Madia elegans H. M. Hall 1901-6 + 2662 Riverside vicinity Strawberry Valley; San Jacinto Mountains, vicinity of Strawberry Valley 1584 Comment
  POM12746  Maianthemum stellatum Philip A. Munz 1922-7-6 6006 Riverside San Jacinto Mountains: Tahquitz Valley. 2195 Comment
  UCR90972  Malacothamnus fasciculatus Scott D. White 1996-2-18 3806 Riverside Perris Basin, Double Butte, NW of Winchester, SE-facing slope of west butte and alluvial soil at base 490 Comment
  RSA0087581  Malacothamnus fasciculatus P. A. Munz 1946-10-19 11570 Riverside 3 miles east of Anza 1220 Comment
  SBBG4653  Malacothamnus fasciculatus var. fasciculatus H. and M. Dearing 1937-11-28 2815 Riverside S side of Santa Rosa Mtn above Ribbonwood Comment
  POM37220  Malacothrix californica Marcus E. Jones 1903-5-1 s.n. Riverside Banning 701 Comment
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Mar 13 2011
  RSA752792  Malacothrix californica Scott D. White, Justin M. Wood 2009-5-21 12863 Riverside San Jacinto Mountains: Garner Valley, near abandoned duck ponds, S of Quinn Flat. 1357 Comment
  UCR213842  Malacothrix californica Scott D. White, Justin M. Wood 2009-5-21 12863 Riverside San Jacinto Mountains, Garner Valley, near abandoned duck ponds, south of Quinn Flat 1366 Comment
  SD227756  Malacothrix clevelandii A. C. Sanders 1994-5-30 14586 Riverside San Bernardino Mountains: NNE of Beaumont at Highland Springs, hills N of the end of Bellflower Ave. at Dutton St. 950 Comment
  POM11908  Malacothrix coulteri P. A. Munz 1922-4-29 5108 Riverside Sedco Station, Temescal Canyon Comment
  POM362307  Malacothrix glabrata M. B. Dunkle 1932-3-25 2892 Riverside Cabazon. Comment
  UC1930180  Malacothrix glabrata Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10484 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
  UCR104931  Malacothrix glabrata A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20642 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
  UCR116804  Malacothrix glabrata A. C. Sanders, Mitch Provance, T. B. Salvato 2001-4-6 23934 Riverside Western Colorado Desert, Coachella Valley, Desert Hot Springs, north of intersection of Pierson Blvd. and Atlantic, north of flood control ditch 348 Comment
  UCR88116  Malacothrix glabrata A. C. Sanders, G. Nuhn 1995-4-20 16596 Riverside Sonoran (Colorado) Desert, Coachella Valley, near Fan Hill, NE of Dillon Road on an abandoned road, below Little San Bernardino Mtns. NE of 1000 Palms 549 Comment
  RSA719469  Malacothrix saxatilis var. tenuifolia R. E. Riefner 2005-6-19 05 -447 Riverside Peninsular Ranges Province, Agua Tibia Mountains, SE of Temecula, Cleveland National Forest, Agua Tibia Wilderness, NW slope of Agua Tibia Mountain, ca. 1.5 mi WNW of Woodchuck Rd. 665 Comment
  UCR114324  Malacothrix saxatilis var. tenuifolia Mitch Provance 1998-5-2 485 Riverside Pedley, north side of Clay St., c. 1/8 mile east of intersection with Van Buren Blvd. 229 Comment
  UC1922057  Malva parviflora Scott D. White, Angelia Carey 2004-4-5 10031 Riverside SAN JACINTO MTN FOOTHILLS: North of Valle Vista. Indian Creek Watershed. Comment
  UCR229497  Malvella leprosa Jeremiah George 2011-7-18 s.n. Riverside Peninsular Range; Elsinore Trough, North Lake Elsinore, just west of Nichols Rd. and Collier Ave. junction 384 Comment
  UCR150011  Marah macrocarpa Scott D. White, Angelia Carey 2004-4-16 10153 Riverside San Jacinto Mountain foothills, Indian Creek and adjacent slopes 610 Comment
  UCR20697  Marah macrocarpa A. C. Sanders, Steve Boyd 1980-5-2 1388 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  UCR94272  Marah macrocarpa Scott D. White 1996-4-14 3915 Riverside Perris Basin/San Jacinto Mtns., E of Hemet: San Jacinto River Wash near Valle Vista, north of Hwy 74, c. 1.7 mi west of USFS Cranston Fire Station 549 Comment
  CSUSB1680  Marrubium vulgare Jeanne Cox 1973-7-16 Riverside Near 91 freeway in Riverside. 304 Comment
  POM12436  Marsilea vestita P. A. Munz 1922-4-29 5071 Riverside 0.5 mile south of Lake Elsinore. 381 Comment
  CAS-BOT-BC520441  Matelea parvifolia A. C. Sanders; Tim Thomas; T. B. Salvato 2012-11-1 40515 Riverside Sonoran (Colorado) Desert: Bradshaw Trail, Chuckwalla Bench area on S side of Chuckwalla Mtns., 8.9 km SE of Gasline Rd,, at narrow wash crossing 701 Comment
  UCR41537  Matelea parvifolia A. C. Sanders, B. Pitzer, D. Charlton, R. & J. Kniffen, J. M. Stewart 1986-3-2 6053 Riverside Sonoran (Colorado) Desert, Chuckwalla Bench, south side of Chuckwalla Mtns, on Bradshaw Road c. 2 miles east of gasline road 642 Comment
  RSA0126837  Matricaria occidentalis R. E. Riefner Jr. 2017-5-18 17 -257 Riverside City of Hemet, E of Winchester, N of Simpson Road, E of San Diego Aqueduct, W of active agricultural fields. 467 Comment
  RSA192125  Medicago sativa H. A. Zuill 1966-6-27 256 Riverside Between Tenaja Guard Station and the Main Divide Truck Trial. Comment
  CAS-BOT-BC269427  Melica californica J. C. Roos 1950-4-22 4754 Riverside The summit of Reche Canyon. Steep West slope, 0.5 miles N.E. of the summit 792 Comment
  CAS-BOT-BC271747  Melica frutescens Marcus E. Jones 1903-5-11 s.n. Riverside Whitewater, Colo. Desert 304 Comment
  RSA660487  Melica frutescens A. C. Sanders, Mitch Provance, T. B. Salvato 2000-6-1 23442 Riverside Menifee Valley: S of Newport Rd., N of Holland Rd. and E of Bradley Rd., 2 miles due east of Railroad Canyon Lake 439 Comment
  UC1922736  Melica frutescens R. E. Riefner Jr. 2006-8-2 06 -350 Riverside Lakeview Mountains, vicinity of Alicante Dr. and Jamawag Rd., NNW ca. 0.75 mi from Leon Rd. Comment
  RSA249842  Melica imperfecta R. F. Thorne, J. P. Simon, CW Tilforth 1969-6-24 38107 Riverside San Jacinto Mountains: San Bernardino National Forest. Above James Reserve in Hall Canyon 1677 Comment
  SEINET1004450  Melica imperfecta A. C. Sanders 2004-1 27548 Riverside Santa Ana Mtns.: Santa Rosa Plateu, 0.5 km west of Tenaja Road and just north of the San Diego county line 640 Comment
  UCR163584  Melica imperfecta Tracy Tennant 1998-5-27 s.n. Riverside Beaumont Badlands, Dellamont Peak, c. 3.5 miles ESE of Gilman Hot Springs 1159 Comment
  UCR265845  Melica imperfecta Mitch Provance 2012-5-24 512- 15 Riverside San Bernardino Mountains, Banning, foothills and alluvial fan near border with Beaumont, NE of the intersection of Highland Springs Avenue and Wilson St. 1067 Comment
  CSUSB1308  Melilotus indicus Bob Sullivan 1966-3-26 Riverside UCR campus in Riverside, behind the life science building. 228 Comment
  RSA525680  Melilotus indicus Steve D. Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4551 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  SD126627  Melilotus indicus Ed LaRue 1989-4-21 129 Riverside Moreno Valley, University of California agricultural experimental farms, 0.5 mile south of Alessandro Blvd at northeast corner of Cactus Avenue and Nason Street. Comment
  SBBG101740  Mentzelia affinis S. Boyd, D. Bramlet 1991-5-13 6257 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 Rd 548 Comment
  UCR67347  Mentzelia affinis Steve Boyd, T. S. Ross, L. Arnseth, J. Bonilla 1990-4-2 4009 Riverside Peninsular Range, Vail Lake area, lower slopes of Agua Tibia Mtn. along Hwy 79, east of USFWS Dripping Springs Guard Station 610 Comment
  UCSB4198  Mentzelia albicaulis Krogen, Roger 1957-1 Riverside Box Canyon Wash, 7 mi E of Mecca on HWY 195 Comment
  UCR35320  Mentzelia congesta L. B. Ziegler 1967-7-5 178 Riverside San Jacinto Mtns., south slope of Thomas Mountain 1616 Comment
  CLARK-A1528-606  Mentzelia involucrata Shirley Hill 1963-3-23 630323-3 Riverside Box Canyon Comment
  JOTR32196  Mentzelia involucrata Harding, Mitzi & Herskovits, Tasya, D. Oquendo 2011-5-5 s.n. Riverside Joshua Tree National Park. Little San Bernardino Mountains; Northeast flowing steep side canyon of Pushawalla Canyon, almost parallel to main canyon (Stop 5) 1171 Comment
  RSA440422  Mentzelia involucrata G. R. Johnstone 1930-4-14 14661 Riverside Shavers Well Comment
  RSA69585  Mentzelia involucrata F. W. Peirson 1933-4-13 10637 Riverside Road from Deep Canyon to Idyllwild. 610 Comment
  SBBG16941  Mentzelia involucrata K. K. Muller 1957-4-13 800 Riverside hills opposite S entrance of Joshua Tree Nat Monument Comment
  SEINET3005067  Mentzelia involucrata G. Rink 2011-5-1 10505 Riverside North side of the Chuckawalla Mountains near Chuckawalla Spring 505 Comment
  SD3162  Mentzelia laevicaulis Frank Stephens 1920-1 Riverside In the badlands hills, 3.0 miles east of Moreno. Comment
Read comments
Nov 19 2011
  UC1004770  Mentzelia longiloba E. C. Jaeger 1939-12-16 Riverside Chuckwalla Springs 182 Comment
  UCR275427  Mentzelia longiloba Thomas R. Stoughton, Stephanie Rockwood, Christi Gabriel 2011-4-5 961 Riverside Sonoran (Colorado) Desert, Blythe-Rice Road, ENE of Arica Mountains on Blythe-Rice Road, about 1 mile south of railroad crossing 243 Comment
  CHSC1024  Mentzelia veatchiana V. Holt 1935-4-16 Riverside San Jacinto Mountains. Comment
  UCR48410  Mentzelia veatchiana Steve Boyd 1986-4-20 1722 Riverside Gavilan Plateau, Gavilan Hills: Santa Rosa Road just west of Piedras Road Comment
  SD140168  Mesembryanthemum nodiflorum A. C. Sanders 1993-5-12 14003 Riverside Hemet, southwest corner of intersection of Florida Avenue (Highway74) and Warren Road, between New San Diego Aqueduct and Warren 459 Comment
  CAS-BOT-BC348847  Microseris douglasii subsp. douglasii A. C. Sanders; K. C. Rose 1998-5-21 21860 Riverside Hemet: alkaline flats west of town, E of the canal, S of Hwy 74 (Florida) and ca. 1/4 mi. W of Warren Rd. 457 Comment
  RSA95084  Microseris douglasii subsp. douglasii F. W. Peirson 1922-4-30 2952 Riverside Plains one mile west of Lakeview, San Jacinto Valley 427 Comment
  RSA556493  Microseris heterocarpa Julie Greene 1993-4-3 1121 Riverside San Jacinto Wildlife Area. Weedy area by Fence Line Road gate. 441 Comment
  RSA660565  Microseris heterocarpa Bruce Albert 1982-4-17 50 Riverside Hillside north of Cajalco road, 2 miles east of I-15. Comment
  UCR21903  Microseris heterocarpa Steve Boyd 1980-5-5 204 A Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  UCR241205  Microseris lindleyi Tracy Tennant, Jeffrey Ross 1998-5-21 MOR- 270 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Hathaway Creek Canyon, NW of Cabazon 976 Comment
  VVC98  Microseris lindleyi A. C. Sanders 1997-5-4 20652 Riverside San Jacinto Mountains, N side along Hwy 243, 1.5 mi. below Twin Pines Ranch Road (McMullen Flat), N slope of peak 3740 1067 Comment
  SEINET3208883  Mimulus aurantiacus var. pubescens G. Goodwin 2012-6-14 3437 Riverside San Jacinto Mountains, 3 miles south of Banning along highway 243 910 Comment
  UC26700  Mimulus aurantiacus var. pubescens H. M. Hall June, 1901 2077 Riverside vicinity Chalk Hill; San Jacinto Mountains 1402 Comment
  HSC35462  Mimulus aurantiacus var. puniceus J. D. Ackerman, A. M. Montalvo 1975-6-26 524 Riverside Hwy. 74 between San Juan Capistrano and Lake Elsinor, above SanJuan Campground, Cleveland National Forest 610 Comment
  RSA343880  Mimulus aurantiacus var. puniceus Robert F. Thorne, Walter Wisura, Earl Lathrop, Sara Meury 1985-5-18 60663 Riverside Santa Rosa Plateau: at edge of Cleveland National Forest. 610 Comment
  UCR216401  Mimulus aurantiacus var. puniceus Mike Bell 2008-3-30 029 Riverside Peninsular Range; Santa Ana Mtns., Santa Rosa Plateau Ecological Reserve, 5 miles SW of Murrieta, Punta Mesa Trail 537 Comment
  RSA535794  Mimulus bigelovii var. bigelovii David M. Thompson 1988-3-4 823 Riverside 1.6 ESE of I-10 interchange at Desert Center along dirt road parallel to I-20 (S side of freeway), not far beyond, E of the Desert Center Pumping Station. 82 Comment
  SFV15669  Mimulus bigelovii var. bigelovii D. M. Thompson 1988-3-4 824 Riverside Vicinity of Shaver's Well. 7.3 miles from I-10 interchange along Bax Canyon Road to Mecca. North side of road in broad washes. About 100 yards above the road. 280 Comment
  UCR22483  Mimulus bigelovii var. bigelovii C. S. Jones 1979-3-27 49 Riverside Sonoran (Colorado) Desert, Near unnamed dirt road approximately 5 mi north of I-10 and 4 mi west of Desert Center 412 Comment
  UCR139090  Mimulus brevipes Scott D. White 1997-5-18 5185 Riverside San Jacinto Mtns., 'Black Mountain Scenic Area,' Black Mountain Trail between Hwy 243 and Cinco Poses Trail junction 1829 Comment
  UCR174032  Mimulus brevipes A. C. Sanders 2006-5-19 32427 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
  HSC101594  Mimulus breweri Steve Boyd, Gary Wallace 2005-7-30 11637 Riverside Peninsular Ranges; San Jacinto Mountains region; San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2652 Comment
  UCR113988  Mimulus floribundus Mitch Provance, A. C. Sanders 2000-7-4 2110 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR168408  Mimulus fremontii E. C. Jaeger 1921-6-15 s.n. Riverside San Jacinto Mountains, along Stone Creek 1707 Comment
  JEPS26106  Mimulus fremontii var. fremontii Peter H. Raven 1958-5-17 12946 Riverside 7.4 mi se Banning (on road to Idyllwild); San Jacinto Mountains Comment
  UCR48527  Mimulus fremontii var. fremontii Steve Boyd 1986-4-19 1698 Riverside Peninsular Range, Temescal Canyon, east side of Indian wash between I-15 and Temescal Canyon Road 351 Comment
  JOTR32394  Mimulus guttatus La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler 2011-6-16 2498 Riverside Joshua Tree National Park. Queen Mountains; West side of Barker Dam; Small riparian zone in and along drainage from dam (Stop 5) 1300 Comment
  RSA770877  Mimulus guttatus Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4600 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  SEINET12269984  Mimulus longiflorus H. M. Hall 1902-1 2928 Riverside vicinity of Riverside 457 Comment
  UC26854  Mimulus palmeri Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  HSC79079  Mimulus parishii G. K. Helmkamp 1984-5-2 - 32 Riverside Big Morongo Canyon, 3-3.5 mi. below the caretaker's house at the Big Morongo Preserve, Little San Bernardino Mtns. 550 Comment
  CLARK-A1528-4263  Mimulus pilosus E. W. Lathrop 1966-5-25 6336 Riverside La Laguna Comment
  RSA564287  Mimulus pilosus Ed LaRue 1993-5-10 s.n. Riverside Murrieta Oaks, 3 miles (airline) NW of Murrieta Hot Springs, W side of Hwy 215 457 Comment
  CLARK-A1528-870  Mimulus puniceus Fred B. Essig 1964-2-24 18 Riverside La Sierra 670 Comment
  UCR18111  Mirabilis albida J. Zabriskie 1976-6-2 848 Riverside Peninsular Range; Santa Rosa Mtns, Cactus Springs Trail near Horsethief Creek 1098 Comment
  RSA700902  Mirabilis laevis Keith E. Hoffmaster 1936-4-26 s.n. Riverside Box Springs grade. Comment
  RSA0027989  Mirabilis laevis var. crassifolia Lydia Paneri 1982-4-17 63 Riverside Flat field south of Cajalco Road, 0.3 miles east of La Sierra Hwy. Comment
  RSA464244  Mirabilis laevis var. retrorsa Christopher Davidson 1980-4-4 9939 Riverside Orocopia Mts. West end of the mountains in a small canyon and wash almost due south of Oro Peak. 518 Comment
  RSA464248  Mirabilis laevis var. retrorsa H. de Forest 1924-07 s.n. Riverside Cabazon. Comment
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Mar 13 2011
  RSA450140  Mirabilis laevis var. villosa J. C. Roos 1966-3-26 s.n. Riverside 2 miles SE of Desert Center. Comment
  RSA550345  Mirabilis laevis var. villosa Walter Wisura, John Dolan, M. Wall 1992-3-25 4643 Riverside Lowdesert: Cuckwalla Mts. 2.1 mi W of Corn Spring. Comment
  UCR251643  Mirabilis laevis var. villosa Thomas R. Stoughton, Christi Gabriel, Stephanie Rockwood, Jackie McConnaughy 2011-3-23 822 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' Old mine access road 495 Comment
  RSA464622  Mirabilis multiflora var. pubescens N. C. Cooper 1944-5-20 1267 Riverside Palms to Pines Hwy., San Jacinto Mtns. 1220 Comment
  LA205967  Mirabilis tenuiloba John O'Leary; 1932-4-8 429 Riverside next to Hwy 111, at 2 mi W of Palm Springs Comment
  RSA457757  Mohavea confertiflora Steve D. Boyd, Sara Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2118 Riverside North end Palen Mountains, 2 mi west of Palen Pass. 300 Comment
  UCR166857  Mohavea confertiflora Chet McGaugh 2005-1-27 s.n. Riverside Sonoran (Colorado) Desert, E of Salton Sea, along Coachella Canal between siphons 26-27 NE of Dos Palmas Spring 24 Comment
  UC25499  Monardella australis subsp. australis H. M. Hall 1897-7-22 713 Riverside San Jacinto Mountains 1828 Comment
  CAS-BOT-BC220027  Monardella breweri subsp. lanceolata Marcus E. Jones 1926-5-29 s.n. Riverside South of Temecula Comment
  CAS-BOT-BC220028  Monardella breweri subsp. lanceolata Winifern W. Swarth 1914-9-10 s.n. Riverside Strawberry Valley, San Jacinto Mts. 1828 Comment
  UCR217559  Monardella macrantha subsp. hallii Jeff B. Galvin 2009-7-14 95 Riverside Peninsular Ranges, San Jacinto Mountains, Chimney Flats, along Old Control Road 1383 Comment
  CAS-BOT-BC215496  Monardella nana Elizabeth McClintock 1941-7-15 114 Riverside On slope south of Strawberry Creek and west of Domengonio Flats, San Jacinto Mts. Comment
  LA96092  Monardella nana Elizabeth McClintock; M. McClintock, D. Weiner 1941-7-11 99 Riverside Black Mountain, 0.75 mi. beyond the snow gate Comment
  UC1499910  Monardella nana Elizabeth McClintock 1941-6-8 68 Riverside 1 1/2 miles east of Ribbonwood. Pines to Palms Highway Comment
  UC1499947  Monardella nana E. and M. McClintock, D. Weiner 1941-7-11 95 Riverside Banning-Idyllwild road. At the creek beyond Stone Creek. Comment
  LA57197  Monardella nana Carl Epling; K. Simmons 1939-6-12 s.n. Riverside Santa Rosa Mts Comment
  RSA97669  Monardella nana subsp. arida R. M. Straw 1954-6-10 607 Riverside Mountain Home Spring, Santa Rosa Mountain, San Jacinto Mountains. Comment
  SEINET10582418  Monardella nana subsp. arida A. Graff 1993-6-24 Graff 56 Riverside San Bernadino National Forest, Santa Rosa Mtn. 2.05 miles down Santa Rosa Mtn. Rd. (USNFS Rd. 7S02) from Santa Rosa Camp, on the right shoulder (heading back towards Hwy. 74). T7S,R5E,S29. 1 small clump at the bottom of a steep bank. Comment
  RSA651655  Monardella nana subsp. tenuiflora C. Epling, Wm. Robinson 1935-6-30 16 Riverside Above Marion Camp, Mount San Jacinto. Comment
  UC1499867  Monardella nana subsp. tenuiflora Elizabeth McClintock 1940-6-30 23 Riverside Fuller Mill Creek Camp Banning-Idyllwild road Comment
  UC1499917  Monardella nana subsp. tenuiflora E. McClintock, H. Lewis 1941-6-22 74 Riverside on road to Black Mt. (1 1/2 mi from snow gate) Comment
  UCR123188  Monardella robisonii A. C. Sanders, Mark Elvin 2001-8-17 24618 Riverside Mojave Desert, Little San Bernardino Mtns, near Hidden Valley Campground at 'Echo T,' Joshua Tree National Park 1311 Comment
  SBBG1816  Monolepis nuttalliana H. and M. Dearing 1939-4-5 3093 Riverside Hemet Valley Comment
  POM13290  Monoptilon bellioides E. C. Jaeger 1921-4-12 141 Riverside Palm Springs (Cabazon) Comment
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Mar 13 2011
  RSA0118056  Monoptilon bellioides Sarah J. J. De Groot, Thomas Stoughton 2016-2-18 7613 Riverside Mecca Hills: side canyon (east fork) of Painted Canyon. 182 Comment
  UCR148442  Monoptilon bellioides John F. Green, Chet McGaugh 2005-1-19 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, 1.5 mile transect along Coachella Canal right-of-way, between siphons 25 and 26, NE of Hunters Spring, near S base of Orocopia Mtns. 23 Comment
  UCD86560  Muhlenbergia asperifolia F. M. Reed 1907-10-20 1982 Riverside Riverside and Vicinity spring brook above Fairmont Park. Comment
  UCR113921  Muhlenbergia asperifolia Mitch Provance, A. C. Sanders 2000-7-4 2112 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UC1922191  Muhlenbergia filiformis Naomi Fraga, Ilene Anderson, Mike Hamilton, Michael Wall, Gary Wallace 2006-9-7 1773 Riverside Peninsular Ranges; San Jacinto Mountains region; Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  SEINET10522199  Muhlenbergia filiformis David B. Dunn 1946-8-17 Dunn 2692 a Riverside Grass in a wet meadow area. Near the stream at the camp in Taquitz Valley. San Jacinto Mts. 2438 Comment
  RSA0121176  Muhlenbergia microsperma Duncan S. Bell, LeRoy Gross 2016-3-30 9174 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
  RSA501027  Muhlenbergia microsperma Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-1 3147 Riverside Vail Lake area, ridge along N edge Oak Mountain, 1.5-2.0 miles W of the dam. 518 Comment
  SEINET949799  Muhlenbergia microsperma A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-1 32651 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn/Scott Rd. and north Clinton Keith Rd., vicinity of peak 2279 (Murrieta 7.5' Q). 1900 Comment
  UCR104963  Muhlenbergia microsperma George K. Helmkamp, E. A. Helmkamp 1998-2-18 2731 Riverside Sonoran (Colorado) Desert, Chuckwalla Mtns, 10.6 miles SSW of Chuckwalla Valley Rd. on Graham Pass Rd. 488 Comment
  RSA192079  Muhlenbergia rigens E. W. Lathrop 1966-5-25 6333 Riverside 5 miles NW of Murrieta. Comment
  UC64098  Muilla maritima H. M. Hall 1897-5-1 519 Riverside San Jacinto River San Jacinto Mountains 762 Comment
  UCR132933  Muilla maritima 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
  UCR226087  Muilla maritima A. C. Sanders, T. B. Salvato 2011-4-1 38958 Riverside Peninsular Range, Lake Elsinore, off Baker St. NW of intersection with Bromley Ave., north of second house from intersection, 0.55 km NW of Hwy 74 404 Comment
  UCR42546  Muilla maritima B. G. Pitzer 1986-4-26 0182 Riverside San Bernardino Mtns., Whitewater Canyon, c. 4.5 mi. north of Hwy I-10 on Whitewater Canyon Road 734 Comment
  CAS-BOT-BC83344  Myosurus minimus P. A. Munz 1922-4-29 5061 Riverside 3 miles south of Elsinore. 381 Comment
  UCR269904  Myosurus minimus var. apus D. E. Bramlet, Amy Hills, R. E. Riefner Jr., Russell Huddleston 2005-3-2 3663 Riverside Perris-Agunaga Basin Region; San Jacinto Valley, west of Hemet, east of San Diego Canal, west of Warren Rd., south of Hwy 74, north of W Stetson Ave. 457 Comment
  SBBG6115  Nama demissa H. and M. Dearing 1936-12-25 1523 Riverside Long Cyn, Colorado Desert Comment
  POM98949  Nama demissa E. C. Jaeger 1926-3-24 s.n. Riverside Eagle Mountains. Comment
  UC24129  Nama demissa var. demissa S. B. Parish Apr 4 1896-Apr 13 1896 4128 Riverside Palm Springs (Agua Caliente) Palm Springs (desert base San Jacinto Mt.); , Palm Springs (Agua Caliente) 152 Comment
  RSA487431  Nassella lepida 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
  RSA702729  Nassella pulchra Scott D. White, Michael Honer 2004-4-6 10060 Riverside Temescal Valley, just north of the I-15 Freeway and east of Indian Truck Trail, south and west of Lee Lake. 335 Comment
  UCR90341  Navarretia atractyloides Scott D. White 1995-6-30 3440 Riverside Santa Ana Mtn. foothills, Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 396 Comment
  RSA450147  Navarretia hamata J. C. Roos 1965-6-30 s.n. Riverside ortega Highway, Santa Ana Mtns. Comment
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May 21 2011
  SD90510  Navarretia prostrata Robert F. Thorne, Earl Lathrop 1969-5-12 37929 Riverside Santa Rosa Plateau: large vernal marsh on S end of Mesa de Colorado, Rancho California. 625 Comment
  SEINET10458398  Nemacladus longiflorus Tilforth 1980-6-17 TILFORTH 2012 Riverside Along Thomas Mountains road, south of Lake Hemet and est of hiway 74 1658 Comment
  RSA663590  Nemacladus tenuis var. aliformis Marcus E. Jones 1926-2-26 s.n. Riverside Near Shaver's Well. Comment
  POM126470  Nemophila menziesii F. M. Reed 1908-2-2 2021 Riverside Box Springs Mts. Foothills Comment
  POM305648  Nemophila menziesii Henry J. Ramsey, Henry J. Ramsey 1939-4-22 1018 Riverside Hemet-Anza, Bautista Creek Road. Comment
  RSA771734  Nemophila menziesii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4780 Riverside Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 610 Comment
  UCR249816  Nemophila menziesii T. B. Salvato, John Lovio 2013-3-19 7350 Riverside Perris-Aguanga Basin, Menifee Valley, Los Alamos Road at its crossing of Warm Springs Creek, and hill west of Jeanette Drive 402 Comment
  UCR117424  Nemophila menziesii var. integrifolia A. C. Sanders 1994-5-29 14580 Riverside San Bernardino Mtns, East Branch Millard Canyon, along Forest Service Road 4S45 1200 Comment
  SEINET7063438  Nemophila menziesii var. menziesii A. G. Vestal 1947-3-30 s.n. Riverside About 4.2 miles west of Sage in Tucalota Valley on East Benton Road. UTM Zone 11, 501405mE, 3715115mN. (WGS84/NAD83). 561 Comment
  UCR139032  Nemophila menziesii var. menziesii D. L. Banks, V. W. Steinmann 1997-3-13 1449 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
  RSA699018  Nicotiana attenuata J. R. Bruff 1932-2-22 s.n. Riverside Between Edom and Garnet. Comment
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Nov 2 2011
  RSA192101  Nicotiana glauca E. W. Lathrop 1959-4-2 4420 Riverside 18 miles west of Murrieta. Comment
  JOTR28913  Nicotiana obtusifolia La Doux, Tasha 2004-2-24 1148 Riverside Joshua Tree National Park. Trail to Lost Palms Oasis, southeast of Cottonwood Oasis 914 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
  JOTR30638  Nicotiana obtusifolia La Doux, Tasha, Erin Babich 2008-4-21 1800 Riverside Joshua Tree National Park. Stop 3-Little San Bernardino Mountains, S of Covington Flat 1290 Comment
  JOTR35444  Nicotiana obtusifolia Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 49 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop2) Comment
  RSA0104454  Nicotiana obtusifolia Duncan S. Bell, Rachel Darney-Lane, Evan Meyer 2015-2-24 7754 Riverside Morongo Canyon Preserve; collecting in side canyon off of Little Morongo Canyon, just below (south of) the San Bernardino/Riverside county border. 777 Comment
  RSA614565  Nicotiana obtusifolia George K. Helmkamp, E. A. Helmkamp 1998-2-5 2665 Riverside 3.2 mi. N of jct of Thousand Palms Canyon Rd and Dillon Rd. 457 Comment
  UCD126749  Nicotiana obtusifolia Lewis S. Rose 1967-12-19 67182 Riverside La Quinta. 15 Comment
  RSA0018759  Nicotiana obtusifolia F. W. Peirson 1917-4-1 1089 Riverside Andreas Canyon near Palm Springs. Comment
  SEINET10720881  Nolina parryi Tracy Scott, Andrew Townesmith; Karen M. Meyer 2007-3-18 Scott 137 Riverside San Bernardino National Forest. San Jacinto Ranger District, about 0.2 mi. along Pinon Flats Transfer Station Rd. off Rte. 74. 1228 Comment
  SEINET3288972 Image available Nolina parryi Loraine Yeatts, Dick Yeatts 2002-4-15 4767 Riverside Comment
  CAS-BOT-BC71173  Notholaena californica Lewis S. Rose 1966-12-13 66102 Riverside Palm Springs, Tahquitz Wash 182 Comment
  POM259122B  Notholaena californica subsp. californica A. Lefebure 1941-03 s.n. Riverside Andreas Canyon, near Palm Springs Comment
  CAS-BOT-BC171493  Oenothera californica Ethel H. Campbell 1921-5-1 1 a Riverside Between Riverside & Ontario Comment
  RSA40570  Oenothera cespitosa subsp. marginata J. C. Roos 1947-4-5 3427 Riverside North base Santa Rosa Mountains, upper reaches of Deep canyon. Comment
  RSA649936  Oenothera claviformis L. Fountain 1966-2-23 18 Riverside Colorado Desert [along Highway] 60, 1 mile south of Garnet. Comment
  RSA0036090  Oenothera claviformis Norman C. Cooper 1944-3-26 1028 Riverside Morongo Pass 457 Comment
  RSA778490  Oenothera deltoides Duncan S. Bell 2009-3-8 57 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
  UCR100864  Oenothera deltoides George K. Helmkamp, E. A. Helmkamp 1998-2-18 2689 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  UCR85080  Oenothera deltoides A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16033 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  RSA118387  Oenothera deltoides subsp. deltoides P. A. Munz, David P. Gregory, William M. Klein 1958-4-4 22962 Riverside Sun Tan Motel, 3.5 mi. nw. Indio city limits, on Hwy 70 [Hwy 10]. 30 Comment
  UCSB4446  Oenothera deltoides subsp. deltoides Atsatt, Pete 1958-3-22 Riverside 8 miles east of Shavers Summit on highway 60 & 70; Sandy Strech on N. side of Rd Comment
  RSA600664  Oenothera elata subsp. hirsutissima Louis C. Wheeler 1949-8-24 6752 -b Riverside Riverside. Comment
  RSA737120  Oenothera elata subsp. hirsutissima Justin M. Wood 2008-10-15 186 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR165814  Oligomeris linifolia John F. Green 2005-2-2 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, transect along Coachella Canal right-of-way, between siphons 29 and 30, c. 3 mi east of Desert Beach 24 Comment
  UCR166850  Oligomeris linifolia Chet McGaugh 2005-1-27 s.n. Riverside Sonoran (Colorado) Desert, E of Salton Sea, along Coachella Canal between siphons 26-27 NE of Dos Palmas Spring 24 Comment
  RSA0042209  Olneya tesota Joseph Brehm 2014-7-21 s.n. Riverside Collected along Dos Palmas Road, 0-0.5 miles northwest from intersection with Desertaire Road. Comment
  RSA0112049  Olneya tesota Duncan S. Bell 2009-10-10 503 Riverside East side of the Arica Mountains; west side of Rice Valley. 211 Comment
  UCR118639  Oncosiphon piluliferum O. F. Clarke 2001-4-15 s.n. Riverside Perris-Aguanga Basin Region, San Jacinto Wildlife Area, at headquarters off Davis Rd., north of Lakeview 442 Comment
  RSA543162  Opuntia basilaris Steve Boyd, Timothy S. Ross, Mike Hammit 1991-5-2 6092 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
  SEINET10447238  Opuntia echinocarpa David B. Dunn 1946-3-16 Dunn 2082 Riverside Collected on a dry plateau n of pushawalla palms about a mile. Indio hills. Comment
  POM278509  Opuntia polyacantha var. erinacea H. G. Rush 1950-5-10 116 Riverside 5 miles NW of Nightingale along Palms to Pines Hwy.; Santa Rosa Mts. 1524 Comment
  SEINET3412081  Opuntia polyacantha var. erinacea Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28526 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 1236 Comment
  UCSB24790  Opuntia polyacantha var. erinacea Head, W. 1966-5-15 Riverside Pinyon Flats Campground Comment
  CAS-BOT-BC56908  Opuntia polyacantha var. hystricina C. B. Wolf; P. C. Everett 1938-9-29 19101 Riverside Field redacted by CAS, contact the data manager for more information Comment
  UCR103999  Orobanche cooperi George K. Helmkamp 1998-4-4 3144 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  RSA0077923  Orobanche fasciculata Ivan M. Johnston 1917-4-4 s.n. Riverside Andreas Canyon. 243 Comment
  RSA495465  Orthocarpus purpurascens var. purpurascens Steve D. Boyd, Tim S. Ross, L. Arnseth 1989-3-18 2994 Riverside Vail Lake area, Temecula Creek Cyn below Vail Lake dam. 418 Comment
  RSA797656  Orthocarpus purpurascens var. purpurascens Robert F. Thorne, E. W. Lathrop 1977-5-18 49764 Riverside Santa Ana Mountains: Camp Portrero [near junction of Tenaja Truck Trail and Ortega Highway (74)] Comment
  POM5276  Oxalis californica I. M. Johnston 1978-5-30 1998 Riverside Temescal Canyon 366 Comment
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Apr 6 2013
  UCR99181  Oxalis rubra W. W. Mayhew 1991-4-24 s.n. Riverside city of Riverside, 6954 Coronado Way. Comment
  UCR18528  Oxytheca caryophylloides A. C. Sanders 1978-6-20 786 Riverside San Jacinto Mtns, James Reserve, above Lake Fulmor 1646 Comment
  JEPS58026  Oxytheca trilobata W. L. Jepson 1903-8-6 2282 Riverside Chalk Hill San Jacinto Mt. 1463 Comment
  UC1979663  Paeonia californica Darin L. Banks, Steve Boyd 1995-3-15 66 Riverside NW Palomar Mtns., Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. Comment
  CAS-BOT-BC327892  Palafoxia arida M. E. Jones 1884-5-3 s.n. Riverside Needles Comment
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Sep 2 2017
  SEINET2053886 Image available Palafoxia arida B. Pitzer 1998-1-24 3402 Riverside N foot of Chuckwalla Mts., Eagle Mt Rd, S side of Hwy I-10, 0.8 mi S of Hwy at powerline road and wash directly S of road. 499 Comment
  JEPS34756  Palafoxia arida var. arida W. L. Jepson Oct 22 1912-Nov 7 1912 5237 Riverside Riverside Mts. 45 Comment
  JOTR38667  Palafoxia arida var. arida Hodges, Stephen R. 2017-2-1 673 Riverside Joshua Tree National Park. Eagle Mountains, South East facing sand ramps near the aqueduct road Comment
  POM363731  Palafoxia arida var. arida Christopher Davidson, Alan Romspert, H. Surprenant 1979-4-29 7812 Riverside West of Indio, 3 miles E of Date Palm Dr. 15 Comment
  POM363763  Palafoxia arida var. arida M. B. Dunkle 1933-3-4 3039 Riverside Painted Canyon 30 Comment
  POM41562  Palafoxia arida var. arida Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  UC1595689  Palafoxia arida var. arida W. Wisura, J. Dolan, and C. Demme 1992-4-13 4680 Riverside on Box Canyon Road 4.7 mi ne Mecca; Low Desert Comment
  UC166697  Palafoxia arida var. arida S. B. Parish 1907-4-19 6078 Riverside Palm Springs western borders of the Colorado Desert 150 Comment
  UCSB9920  Palafoxia arida var. arida Ullman, Sydney 1956-4-14 Riverside In town of Whitewater Comment
  CHSC109691  Panicum capillare Justin M. Wood 2008-7-9 130 Riverside SW Perris Basin: Temecula-Murrieta Creek, downstream of 1st street bridge. 299 Comment
  POM78935  Panicum capillare I. M. Johnston 1925-7-1 s.n. Riverside Riverside Comment
  SBBG89156  Panicum capillare A. C. Sanders 1986-5-20 6499 Riverside across from street from 1012 Spruce St., Riverside 304 Comment
  UCR112132  Papaver somniferum A. C. Sanders, B. Pitzer, T. B. Salvato 1998-4-26 21758 Riverside Box Springs Mtns., Highgrove, mouth of Pigeon Pass Canyon at intersection of Pigeon Pass Rd. and Mt. Vernon Ave. 320 Comment
  CAS-BOT-BC274189  Pappostipa speciosa H. M. Hall 1901-6-1 2129 Riverside San Jacinto Mountains. Santa Rosa Mountain. Dry hillsides of Coyote Canyon 1584 Comment
  SEINET7048158  Parietaria hespera var. californica Steven R. Hill 2001-5-3 33659 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  SEINET13711433  Parkinsonia aculeata J. Adams, J. Adams (Botany) 1965-1 211 Riverside N Part of Palm Springs, on Hwy 111, 800 Ft 244 Comment
  RSA735988  Parthenocissus vitacea Scott D. White, Justin M. Wood 2008-5-29 12039 Riverside Beaumont Badlands: West of Beaumont, near SR-60 crossing over San Timoteo Creek. 610 Comment
  UCR207309  Passiflora caerulea Darren T. Hasegawa 2007-4-21 s.n. Riverside Peninsular Range, Riverside, UCR campus, along fence of botanic garden subtropical fruit orchard 351 Comment
  RSA38494  Pectis papposa P. A. Munz 1946-10-20 11574 Riverside Palms to Pines Hwy, 11.5 miles south of Palm Springs to Indio Road. 1037 Comment
  VVC2317  Pectis papposa Tim Thomas, Alice Karl 2011-10-18 5529 Riverside Sonoran Desert, Hayfield Lake 4 miles east of Chiriaco Summit; just north of Hwy 10. In northwest portion of lake bed. 437 Comment
  OBI20878  Pectocarya heterocarpa Robert F. Hoover 1969-4-11 11213 Riverside Mouth of Morongo Valley Cyn Comment
  SEINET2043226 Image available Pectocarya heterocarpa A. C. Sanders, K. C. Rose, D. Woodard 1995-3-15 16125 Riverside Coachella Valley: Mouth of San Gorgonio Pass, along Whitewater River wash between Windy Point & I-10 (White Water Quad 7.5') 329 Comment
  SD236233  Pectocarya linearis John F. Green 2006-4-25 Riverside Peninsular Ranges; Foothills of Santa Ana Mountains / Santa Rosa Plateau; Temecula, Southern California Edison right of way between residential areas, N-S corridor between S General Kearny Road and la Serena Way; E of Veterans park (Bachelor Mtn 7.5'Q) 366 Comment
  UCR139186  Pectocarya linearis Virginia Moran 2003-4-2 s.n. Riverside Peninsular Range, Warm Springs Preserve (managed by Center for Natural Lands Management), approximately 8 km north of Temecula and 3 km northeast of the [west?] end of Hunter Road 396 Comment
  UCR152515  Pectocarya linearis A. C. Sanders 2005-4-22 29597 Riverside Gavilan Hills, Gavilan Plateau c. 0.75 air mi. SE of summit of Gavilan Peak 625 Comment
  UCR174944  Pectocarya linearis Jennifer H. Jones, Toby Bartels 2006-4-23 280 Riverside Transverse Ranges; San Bernardino Mtns., Banning Pass, NE of Cabazon along powerline road and in Deep Canyon 744 Comment
  RSA772022  Pectocarya linearis subsp. ferocula Orlando Mistretta, Duncan Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4949 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.00456, W116.67238 and N33.99629 and W116.66012 750 Comment
  RSA740833  Pectocarya penicillata Scott D. White, Justin M. Wood 2008-7-8 12393 Riverside Johnson Meadow. 1439 Comment
  UCR250313  Pectocarya penicillata A. C. Sanders 2014-4-8 40975 Riverside Peninsular Range, Temescal Canyon, along Temescal Canyon Rd. c. 280 m NE of the I-15 crossing, near mouth of Mayhew Canyon 317 Comment
  RSA728605  Pectocarya peninsularis Gary D. Wallace, M. Wallace, Z. Wallace 1982-3-27 1891 Riverside Whitewater River, Indian Ave. 2 mi. S of San Bernardino county line, W of Joshua Tree National Monument, NW of Desert Hot Springs. Comment
  UCR116623  Pectocarya peninsularis A. C. Sanders 2001-3-20 23853 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
  SBBG87817  Pectocarya platycarpa A. C. Sanders with Pitzer, Charlton, Kniffen 1986-3-3 6123 Riverside Corn Spring, wash below the spring and wash and rocky slopes to the S; Chuckawalla Mtns 487 Comment
  RSA336044  Pectocarya recurvata R. F. Thorne, Walter Wisura, A. Shmida, R. Whittaker 1978-4-23 52025 Riverside Chino Canyon 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
  UC882277  Pectocarya recurvata I. W. Clokey 1935-4-17 6860 Riverside Cottonwood Springs Comment
  UCR59676  Pectocarya recurvata Steve Boyd, T. S. Ross, L. Arnseth 1989-3-19 3041 Riverside Peninsular Range, Vail Lake area, 0.75 mi NW of dam, S flank Oak Mountain 622 Comment
  UCSB6136  Pedicularis densiflora Gill, Robert 1959-3-14 Riverside Road to Black Star Canyon 853 Comment
  POM307273  Pedicularis semibarbata Henry J. Ramsey, Henry J. Ramsey 1937-5-30 2146 Riverside Santa Rosa Mountains. Comment
  RSA516764  Pellaea andromedifolia var. andromedifolia Ed LaRue 1989-4-26 s.n. Riverside 2 mi. (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons 488 Comment
  JOTR30783  Pellaea mucronata var. mucronata La Doux, Tasha, Erin Babich 2007-4-18 1515 Riverside Joshua Tree National Park. About .5 mile southeast of Lost Horse Ranger Station, at the west edge of Lost Horse Valley 1278 Comment
  CLARK-A1045-286  Penstemon centranthifolius George K. Helmkamp 1979-5-16 Riverside San Jacinto Mountains Lake Fulmor 7.5'Q Comment
  NY583777  Penstemon centranthifolius G. R. Campbell 1951-5-30 16141 Riverside Just west of Cahuilla 1066.8 Comment
  OBI32752  Penstemon centranthifolius E. W. Lathrop 1966-4-27 6211 Riverside Main Divide Truck Trl between El Carriso and San Mateo Cyn. Cleveland Natl Forest 1219 Comment
  POM12969  Penstemon centranthifolius Philip A. Munz, I. M. Johnston 1922-5-21 5538 Riverside Hemet Valley, San Jacinto Mts 1402 Comment
  POM122818  Penstemon grinnellii Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild, San Jacinto Mountains. Comment
  NY601651  Penstemon heterophyllus var. australis S. D. Boyd 1992-5-4 7184 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero 731.5 Comment
  RSA560838  Penstemon heterophyllus var. australis Steve D. Boyd, Tim S. Ross 1992-5-4 7184 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  UC1478707  Penstemon labrosus C. W. Tilforth, John Dourley 1980-7-15 2072 Riverside s Lake Hemet (w of Hiway 74, Thomas Mtn. Campground, Thomas Mtn.); s of Lake Hemet, Thomas Mtn. Comment
  POM12005  Penstemon spectabilis E. C. Jaeger 1921-06 s.n. Riverside San Jacinto Mts. McMullen Trail [Banning to McMullen Flat] Comment
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Nov 5 2011
  SEINET3208893  Penstemon spectabilis G. Goodwin 2012-6-14 3448 Riverside San Jacinto Mountains, south of Banning along highway 243 just north of Vista Grande viewpoint 1550 Comment
  UCR3236  Penstemon spectabilis Chuck Elliott 1964-5-5 s.n. Riverside 1 mi past end of Canyon Crest Rd. west in Riverside 305 Comment
  UCR37460  Penstemon spectabilis Steve Boyd 1981-4-29 s.n. Riverside Gavilan Hills, Arroyo del Toro [Bull Canyon] Comment
  JOTR16855  Penstemon thurberi Baker, James K. & Baker, Ilisa T. 1966-6-26 s.n. Riverside Joshua Tree National Park. ROAD TO LOST HORSE RANGER STATION FROM CAP ROCK 1310 Comment
  SEINET3148378  Pentachaeta aurea F. M. Reed 1908-7-14 2455 Riverside Strawberry Valley, San Jacinto Mts. Comment
  RSA0066308  Pentagramma triangularis Ed LaRue 1989-3-30 s.n. Riverside Rancho California area, ca. 4 miles W of Temecula, with Ave. del Oro as the N boundary. 381 Comment
  RSA0123160  Pentagramma triangularis Duncan S. Bell, LeRoy Gross 2016-3-30 9158 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7.5 air miles southeast of the summit of Martinez Mountain. 970 Comment
  UC668411  Pentagramma triangularis subsp. triangularis Annie M. Alexander and Louise Kellogg 1941-4-24 2084 Riverside Morongo Valley Gorge of Dry Morongo Creek; Morongo Valley Gorge 640 Comment
  LA204582  Peritoma arborea Carl Epling; March 1927 sn Riverside Whitewater Pass, near Palm Springs Comment
  CAS-BOT-BC77523  Peritoma arborea var. arborea Elizabeth H. Daniels 1932-3-8 s.n. Riverside Mission Canyon, just south of Morongo Valley, Little San Bernardino Mountains Comment
  CAS-BOT-BC355990  Perityle emoryi J. Cole 1942-5-19 971 Riverside Ruby Lee Mill Site, Joshua Tree National Monument 914 Comment
  CAS-BOT-BC355995  Perityle emoryi Geo. B. Grant 1906-4-20 6784 Riverside Palm Springs Comment
  JEPS24878  Perityle emoryi Peter M. Ray 1949-3-6 1321 Riverside near 1000 Palms; Coachella Valley, Willis Palms Comment
  POM305614  Perityle emoryi Henry J. Ramsey, Henry J. Ramsey 1937-3-2 903 Riverside Desert center, Mojave Desert Comment
  POM41473  Perityle emoryi Marcus E. Jones 1924-2-27 s.n. Riverside Desert Center. Chuckwalla Valley. Comment
  RSA0118595  Perityle emoryi Sarah J. J. De Groot, Cheryl Sevilla 2016-3-16 7646 Riverside Mecca Hills: hills around Shaver's Well, along Box Canyon Road; south edge of Shaver's Valley, east-northeast of Mecca. 294 Comment
  RSA471862  Perityle emoryi Geo Cantwell 1935-4-8 s.n. Riverside McCoy Springs, McCoy Mnts. [NW of Blythe] Comment
  SEINET2054110 Image available Perityle emoryi G. Helmkamp, E. Helmkamp 1998-1-17 2539 Riverside Box Canyon Road ENE of Mecca and on theNorth side of Coachella Canal. 0 Comment
  UCR256723  Perityle emoryi Duncan S. Bell 2011-12-30 3041 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
  UCR74398  Perityle emoryi Theo Glenn 1991-4-30 91- 63 Riverside Sonoran (Colorado) Desert, McCoy Mtns, NW of Blythe 280 Comment
  UCR75090  Perityle emoryi A. C. Sanders, E. J. Lawlor 1992-4-4 12101 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  SD87688  Petalonyx linearis F. W. Peirson 1921-3-23 2376 Riverside Deep CaA'on east of Palm Springs. 334 Comment
  UCR46612  Petalonyx linearis J. M. Stewart 1986-9-29 86 22 Riverside Sonoran (Colorado) Desert, canyon on south side of Orocopia Mtns Comment
  CAS-BOT-BC167770  Petalonyx thurberi Marcus E. Jones 1903-5-10 s.n. Riverside Palm Spring 60 Comment
  SD254713  Petunia parviflora D. E. Bramlet, Fred M. Roberts 2005-6-6 3868 Riverside San Jacinto Valley: San Jicinto River at Sanderson Ave., north Ramona Expressway. 447 Comment
  CAS-BOT-BC326765  Peucephyllum schottii Philip A. Munz 1932-3-14 12005 Riverside Magnesia Spring Canyon, Coachella Valley 91 Comment
  RSA709856  Peucephyllum schottii Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4608 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 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
  RSA747718  Peucephyllum schottii Justin M. Wood 2009-3-26 399 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
  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
  UC64053  Phacelia H. M. Hall 1897-3-10 381 Riverside vicinity of Winchester 457 Comment
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Mar 20 2011
  POM305413  Phacelia ambigua Henry J. Ramsey, Henry J. Ramsey 1939-11-28 687 Riverside 10 miles east of Indio. Comment
  RSA657245  Phacelia ambigua J. Mark Porter 2001-4-2 12344 Riverside Coachella Valley, Desert Hot Springs, S of Big Morongo Wash, along Indian Ave, just S of the jtn. with Pierson Avenue. 396 Comment
  RSA427680B  Phacelia brachyloba N. C. Cooper 1944-5-21 1268 a Riverside San Jacinto Mountains, west side. 1220 Comment
  UCR37457  Phacelia brachyloba Steve Boyd 1981-5-15 s.n. Riverside Peninsular Range, Gavilan Hills, confluence of the major drainage off the west slope of Estelle Mountain with Temescal Wash 320 Comment
  UCD120285  Phacelia campanularia William Shapeero 1954-4-28 s.n. Riverside Joshua Tree National Monument. Comment
  CLARK-A1045-183  Phacelia cicutaria subsp. hispida George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains vernal pool; Wildomar 7.5'Q Comment
  UC672399  Phacelia cicutaria var. hispida Herbert L. Mason 1926-4-30 3136 Riverside 2 mi s Temecula Comment
  UCR50515  Phacelia cicutaria var. hispida 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
  SDSU6651  Phacelia crenulata C. V. Morton 1949-3-20 2066 Riverside 16 miles east of Mecca, Riverside Co. 518 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
  UC310588  Phacelia crenulata var. ambigua Philip A. Munz 1926-1-31 9958 Riverside Dos Palmos Spring Colorado Desert Comment
  UC881052  Phacelia crenulata var. ambigua C. L. Hitchcock 1940-3-30 5877 Riverside Cottonwood Spring Comment
  UCR103581  Phacelia crenulata var. ambigua George K. Helmkamp, E. A. Helmkamp 1998-1-17 2541 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road ENE of Mecca and on the north side of the Coachella Canal .3 Comment
  POM14355  Phacelia distans P. A. Munz, D. D. Keck 1922-4-9 4761 Riverside Shavers Well, near Mecca. 76 Comment
  RSA559958  Phacelia distans Steve Boyd, Orlando Mistretta 1992-4-23 7069 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Creek from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 244 Comment
  RSA85090  Phacelia distans J. C. Roos 1952-4-9 5493 Riverside Riverside, W face of Mt. Rubidoux. 400 Comment
  SJSU1883  Phacelia distans J. W. Tilden 1957-4-18 1103 Riverside near Whitewater E of San Gorgonio Pass Comment
  UCR272903  Phacelia distans Duncan S. Bell, Amanda Bell, Evan Bell (in utero) 2012-1-28 3075 Riverside Mojave Desert, east side of the Arica Mountains, along the old RR tracks on the west side of Rice Valley, c. 6.25 air miles south of the ghost town of Rice 224 Comment
  UC881283  Phacelia fremontii P. A. Munz and I. M. Johnston 1922-5-7 5254 Riverside Keyes Ranch Little San Bernardino Mts. (along a wash) 1066 Comment
  RSA192355  Phacelia grandiflora H. A. Zuill 1966-6-5 197 Riverside San Mateo Canyon about 13 miles SW of Murrieta Comment
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Feb 12 2013
  UCR8339  Phacelia imbricata subsp. patula B. Freeman 1969-7-25 690625- 34 Riverside San Jacinto Mtn., University of California James Reserve, Trailfinders' Camp, near Lake Fulmor, on road from Banning to Idyllwild 1646 Comment
  JEPS2097  Phacelia ivesiana E. E. Schellenger May 1920 Riverside e Coachella; Colorado Desert Comment
  SEINET3158182  Phacelia ivesiana E. E. Schellenger 1905-3-12 sn Riverside Paloverde Valley Comment
  RSA212890  Phacelia lemmonii Babs Kobaly 1969-6-24 s.n. Riverside Upper Big Morongo Canyon, Riverside County. Comment
  CSUSB1304  Phacelia minor Randy Salstrom 1966-3-15 Riverside 2 miles north of highway between Beaumont and Indio, about 3 miles west of Whitewater. 426 Comment
  SDSU6654  Phacelia minor D. Hunsaker 1962-4-10 Riverside Three miles SSW from Temecula. Comment
  POM264306  Phacelia mutabilis J. C. Roos 1937-8-18 670 Riverside Round Valley, San Jacinto Mountains. Comment
  UC24422  Phacelia mutabilis H. M. Hall 1901-7 2480 Riverside Tamarack Valley San Jacinto Mountains 2804 Comment
  UC881200  Phacelia pedicellata C. L. Hitchcock 1940-3-31 5887 Riverside between Cottonwood Spring and Pinto Basin Comment
  UCR41322  Phacelia ramosissima N. M. Fellows, A. C. Sanders 1985-5-7 179 Riverside San Jacinto Mountains, Oasis de los Osos Preserve, off Snow Creek Canyon at the N foot of the San Jacinto Mountains, 1 mi west of Snow Creek Village 488 Comment
  POM10401  Phacelia ramosissima var. latifolia Charlotte M. Wilder 1903-4-23 165 Riverside Wilder s canyon, Jurupa Hills, near Riverside. Comment
  SEINET7048161  Phacelia ramosissima var. latifolia Steven R. Hill 2001-5-3 33662 Riverside Northeast-facing slopes of Mount San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, about 3.8 miles due west of California Route 111, Palm Springs. Palm Springs Aerial Tramway property, around and below parking area. Elevation about 2600 feet. Comment
  VVC280  Phacelia ramosissima var. suffrutescens P. J. MacKay 1975-6-1 s.n. Riverside Cismontane S Cal, Chino vic Euclid Ave bordering a channel from Prado Dam 159 Comment
  LA102175  Phalaris lemmonii John C. Roos; 1966-3-24 sn Riverside Winchester (near Hemet) Comment
  UCR162952  Phalaris lemmonii Fred M. Roberts, R. E. Riefner Jr. 2005-3-31 6139 Riverside Upper Salt Creek, W of Hemet, 200m east of Calif. Rd and 300m south of Stetson Rd, 1.8km WSW Ryan Field 456 Comment
  UC729902  Phleum alpinum Carl B. Wolf 1932-8-5 3956 Riverside 1st real, wet meadow on trail from Tahquitz Valley to San Jacinto Peak head of a fork of Tahquitz Creek; San Jacinto Mts., head of fork of Tahquitz Creek 2743 Comment
  RSA71998  Phlox austromontana F. W. Peirson 1922-5-20 908 Riverside Hemet Valley, San Jacinto Mountains. 1371 Comment
  JOTR30634  Pholisma arenarium La Doux, Tasha 2008-5-29 1798 Riverside Joshua Tree National Park. Queen Valley 1365 Comment
  UC702032  Pholistoma auritum Frank W. Gould 1943-4-17 2113 Riverside 12 mi. s. Corona (on Elsinore road) Comment
  SBBG6207  Pholistoma membranaceum C. H. Muller 1952-4-5 9492 Riverside White Water Cyn, 1 mi above Whitewater Comment
  RSA650125  Phoradendron californicum David B. Dunn 1947-7-12 2977 Riverside Pushawalla Canyon, Indio Hills. Comment
  UC536860  Phoradendron californicum M. C. Jones 1934-2-18 Riverside Colorado Desert, Whitewater Canyon Comment
  UCR139944  Phoradendron californicum L. C. Wheeler 1964-10-17 8641 Riverside Sonoran Desert, North side of Orocopia Mountains, south of Hayfield Reservoir 457 Comment
  UCR245915  Phoradendron californicum Naomi Fraga, David Fracker, Thomas Stoughton 2012-3-15 3953 Riverside Sonoran (Colorado) Desert, off of Box Canyon Rd., south of Shaver Well in a wash 229 Comment
  UCR165848  Phoradendron macrophyllum T. B. Salvato, John F. Green 2004-5-27 636 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 0.5 mi SE of Oak Glen Conservation Camp 1463 Comment
  CAS-BOT-BC141175  Phoradendron serotinum subsp. macrophyllum W. R. Dudley 1903-12-26 s.n. Riverside Palm Canon Comment
  POM12141  Phoradendron villosum Mary F. Spencer 1921-6-13 s.n. Riverside Idyllwild 1616 Comment
  RSA585786  Phoradendron villosum D. L. Banks, Steve D. Boyd 1995-5-9 411 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area, N face of Agua Tibia Mtn., Dorland Mtn. area. 738 Comment
  POM214537  Phragmites australis Joseph A. Ewan 1932-4-8 7044 Riverside Seven Palms near Garnet Comment
  UC51622  Phragmites australis Jos. Burtt Davy 1902-4-2 8045 Riverside Salton Comment
  JOTR31098  Physalis crassifolia La Doux, Tasha, T. Herskovits, B. Truesdell, M. Wheeler 2010-5-6 2356 Riverside Joshua Tree National Park. Little San Bernardino Mountains, north end of Lost Horse Hills; Side canyon off main wash between Ryan Mtn and Lost Horse Hills, with steep rocky slopes (Stop 4) Comment
  JOTR36457  Physalis crassifolia La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3427 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; narrow north fork of large canyon w/ cobbley wash and steep rocky walls (Stop 2) 338 Comment
  RSA191744  Physalis crassifolia Robert F. Thorne 1963-3-29 32428 Riverside Colorado Desert, 12 miles ENE of Mecca. Comment
  SEINET10546612  Physalis crassifolia Chris Dietrich, Mary Merello; Heidi H. Schmidt 1994-4-12 Dietrich 21 Riverside 9 miles north-northwest of Indio, off Dillon Road 1.9 miles northeast on Berdoo Canyon Road (J241). BLM land. Desert Access Guide Map #17. Along gravelly wash in creosote bush scrub. 380 Comment
  RSA559325  Physalis philadelphica Steve D. Boyd, Tim S. Ross, D. Bramlet 1993-5-13 7362 -B Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Los Alamos Canyon at mouth of Wildhorse Canyon. 412 Comment
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Mar 24 2013
  CAS-BOT-BC78471  Pinus contorta subsp. murrayana Winifern W. Swarth 1914-9-10 s.n. Riverside Divide west of Tahquitz Valley, San Jacinto Mts. 2438 Comment
  UCR261150  Pinus halepensis A. C. Sanders, Jeff Crain, Nina Kidd 2015-5-20 41732 Riverside Temesal Canyon, open area on south side of I-15, between Horse Thief Canyon Road and Hostettler Rd. 395 Comment
  CLARK-A1528-3628  Pinus monophylla John C. Roos 1947-12-14 3764 Riverside Lost Palms Canyon Comment
  JEPS47943  Pinus monophylla W. L. Jepson and H. M. Hall 1901-5-22 1373 Riverside Palm Canon and return to Van Deventer Comment
  HSC86141  Pinus ponderosa B. Freeman 1969-3-25 690325 Riverside James Reserve, San Jacinto Mtns., N of James' House Comment
  UCSB137  Pinus ponderosa Ralph, F. 1959-5-16 Riverside Near entrance to wilderness area of Mt. San Jacinto St. Park, at the foot of the Devil's Slide Trail, San Jacinto Mtns. 1828 Comment
  UC1134101  Pinus quadrifolia A. Lewis 1933-2-3 154 Riverside Terwilliger Valley San Jacinto Quad., San Bernardino National Forest, Terwillig 1158 Comment
  SEINET4457293  Pinus quadrifolia H. H. Smith 1912-1 5478 Riverside Comment
  RSA741423  Piptatherum miliaceum Justin M. Wood 2008-12-2 260 Riverside City of Temecula, Murrieta Creek, downstream of 1st street bridge. 290 Comment
  UCR135821  Pistia stratiotes A. C. Sanders, C. L. Sanders, D. L. Sanders 2004-5-23 27963 Riverside Sonoran (Colorado) Desert, Coachella Valley, northeast end of the Salton Sea, near end of Johnson St. -70 Comment
  RSA559926  Plagiobothrys acanthocarpus Steve Boyd 1992-4-18 6895 Riverside Paloma Valley, between Sun City and Murrieta, E of Hwy I-215. Rolling Hills just SW of Jtn Briggs Rd and Scott Rd. Comment
  CLARK-A1528-2258  Plagiobothrys californicus John C. Roos 1941-4-19 Riverside Reche Canyon Comment
  RSA702185  Plagiobothrys canescens Scott D. White, Michael Honer 2004-3-11 9896 Riverside Corona area. Approximately 1/2 air mile E of I-15 and 1 air mile N of El Cerrito Rd. 290 Comment
  UCR116667  Plagiobothrys canescens A. C. Sanders, Carolyn Washburn 2001-5-10 24231 Riverside Perris-Aguanga Basin, 1 mi. south of Winchester on the east side of Hwy 79 (Winchester Rd.) just south of Patton Ave. 488 Comment
  UCR155936  Plagiobothrys canescens John F. Green 2005-5-4 s.n. Riverside Perris-Aguanga Region, SE corner Markham St. and Day St., Mead Valley area, 2-3 mi SW of March Air Reserve Base 534 Comment
  UCR234335  Plagiobothrys collinus A. C. Sanders, John F. Green 2012-3-26 39999 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, mouth of a small canyon between Horsethief Canyon and I-15 Fwy crossing of Temescal Wash, west of Hostettler Rd. 369 Comment
  POM158442  Plagiobothrys collinus var. fulvescens P. A. Munz 1927-5-21 10856 Riverside San Carlos Pass, Ansa. 1372 Comment
  UCR246592  Plagiobothrys collinus var. fulvescens A. C. Sanders 2012-3-22 39988 Riverside Peninsular Range; Temescal Valley, foot of Santa Ana Mtns., 0.7 km SE of Corona (Lee) Lake along I-15 Frontage Rd. (De Palma Rd.) just east of Horse Thief Wash Comment
  UCR92102  Plagiobothrys collinus var. fulvescens D. L. Banks, Steve Boyd 1995-6-2 0567 Riverside Palomar Mtns., Cleveland Nat'l Forest, Agua Tibia Wilderness Area, N face of N peak of Agua Tibia Mt., on the Wooodchuck Trail north of the Riverside County boundary, c. 1/4 mi south of the clay grasslands in S32 890 Comment
  POM12983  Plagiobothrys collinus var. ursinus P. A. Munz, I. M. Johnston 1922-5-19 5416 Riverside Hemet Valley, San Jacinto Mts. on Garner Ranch 1387 Comment
  UC1608031  Plagiobothrys jonesii A. C. Sanders with E. J. Lawlor 1992-4-4 12143 Riverside within 1/2 mi McCoy Spring (alluvial slopes below and to s, and canyon bottom above the spring); Colorado Desert, McCoy Mountains 243 Comment
  UC473483  Plagiobothrys leptocladus John Thomas Howell 1930-5-10 4776 Riverside March Field Comment
  SEINET242057  Plagiobothrys nothofulvus A. C. Sanders, T. B. Salvato 2001-3-30 23872 Riverside Perris-Aguanga Basin region: Temecula, Long Cnyn W of Del Rey Rd., along bottom of cnyn W of junxn of Ave. Pina Colada 366 Comment
  UCR171975  Plagiobothrys nothofulvus John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula, Long Canyon, Southern California Edison right of way between residential areas, south of Rancho California Road and east of Margarita Road 366 Comment
  RSA496459  Plagiobothrys tenellus Steve Boyd, Timothy S. Ross, L. Arnseth 1989-3-31 3075 Riverside Vail Lake area, S of Hwy 79, 0.25 mi E of Pauba Rd. 427 Comment
  RSA709240  Plagiobothrys tenellus Scott D. White 1995-3-30 2648 Riverside Moreno Valley; hills +/- 0.7 air mile directly S of 60 Fwy and west of bend in Moreno Beach Dr; (USGS Sunnymead 7 1/2' quad shows ''Moreno'' BM 2067 at top of hill). 579 Comment
  UC25066  Plagiobothrys tenellus Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  UCR102892  Plagiobothrys tenellus A. C. Sanders 1997-3-26 20100 Riverside Lake Skinner area, along foot trail at west base of Tucalota Hills 518 Comment
  RSA234044  Plagiobothrys undulatus R. F. Thorne, E. W. Lathrop 1969-5-12 37931 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California. 625 Comment
  CHSC8393  Plantago Edward L. Smith 1958-3-22 410 Riverside Located in sand dunes 3 mi. s of Rice. Santa Maria Mts. 335 Comment
  CHSC103794  Plantago erecta Scott D. White 2003-3-21 8814 Riverside Santa Ana Mountain Foothills: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Jan Creek. 152 Comment
  RSA524397  Plantago erecta Steve Boyd, Tim S. Ross, L. Arnseth, J. Bonilla 1990-4-3 4119 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
  UCR228847  Plantago erecta A. C. Sanders, Nathan Moorhatch 2011-3-22 38790 Riverside Peninsular Range; Perris-Aguanga Basin, Romoland in Menifee Valley, powerline route along McLaughlin Rd. east of Trumble Rd. and west of Antelope Rd. 440 Comment
  UCR281831  Plantago erecta Mitch Provance, Jeremiah George 2017-3-23 317- 76 Riverside Elsinore Trough, Lake Elsinore, E side Baker St., about 0.5 miles SE of Pierce St. 677 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
  UCSB9610  Plantago major Philbrick, Ralph 1954-10-24 Riverside pasture 4 miles south of Chino Institute 213 Comment
  RSA502521  Plantago major Steve Boyd, Tim S. Ross, L. Arnseth 1989-5-7 3576 Riverside Vail Lake area, along Arroyo Seco drainage from jtn. with Kolb Creek, S to w/in 1/4 mi Hwy 79. 457 Comment
  JEPS7193  Plantago ovata W. L. Jepson 1927-4-12 11645 Riverside Painted Canyon Mecca Hills 76 Comment
  RSA781409  Plantago ovata Duncan S. Bell 2011-10-22 2989 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  UCR227087  Plantago ovata Jim Andre 2011-2-9 15927 Riverside Sonoran (Colorado) Desert, Mecca Hills, along Box Canyon Road at upper end of gorge, c. 6 mi south southeast of the junction with Hwy I-10, c. 12 mi west of Chiriaco Summit 284 Comment
  UCR263504  Plantago ovata David Fraker, Aaron C. Sedgwick 2012-3-22 011 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, south of Joshua Tree National Park on both sides of Hwy 177, c. 5 miles north of I-10, c. 3 miles south of the Desert Lily Sanctuary 183 Comment
  POM68827  Plantago ovata var. fastigiata Marcus E. Jones 1906-4-27 s.n. Riverside Indio. Comment
  RSA676150  Plantago ovata var. fastigiata Scott D. White 2001-4-12 8312 Riverside Shaver's Valley. South of the I-10 Freeway, ca. 15 miles east of Indio jtn. I-10 / SR 111. Bajadas and washes adjacent to powerline access roads at unnamed freeway exit accessing pump station. 320 Comment
  JOTR16769  Plantago patagonica Moore, Sue 1968-5-5 s.n. Riverside Joshua Tree National Park. QUEEN VALLEY 1341 Comment
  CLARK-A1528-698  Platanus racemosa Rand Ch. Isbell 1970-5-14 3 Riverside Box Springs 365 Comment
  UC167980  Platystemon californicus Katharine Brandegee and Charlotte M. Wilder 1905-5-12 11 Riverside Wilders near Riverside; near Riverside Comment
  UCR59662  Platystemon californicus Steve Boyd, T. S. Ross, L. Arnseth 1989-3-12 2935 Riverside Peninsular Range, Vail Lake area, Temecula Creek Canyon, just below Vail Lake Dam. 488 Comment
  UCR160324  Plectritis ciliosa subsp. insignis Steve Boyd, Orlando Mistretta 1992-4-22 6996 Riverside Southern Santa Ana Mtns, San Mateo Canyon Wilderness Area. Indian Potrero Trail S from Verdugo Potrero to Indian Potrero on ridge between Talega Canyon and Nickel Canyon 701 Comment
  CAS-BOT-BC326649  Pleurocoronis pluriseta Edmund C. Jaeger 1922-3-18 s.n. Riverside Eagle Canyon 4 miles east of Palm Springs Comment
  HSC66547  Pleurocoronis pluriseta Christopher Davidson 1979-4-4 7706 Riverside Orocopia Mountains, Box Canyon on Box Canyon Rd., 5.9 miles E of Mecca. 305 Comment
  JEPS18558  Pleurocoronis pluriseta W. L. Jepson May 17 1901-Jun 1 1901 1405 Riverside Palm Canyon of Mt. San Jacinto and return to Van Deventer's Mt. San Jacinto Comment
  JOTR36086  Pleurocoronis pluriseta La Doux, Tasha, A. Johnson, A. Miller, T. Vaughn 2007-10-25 3313 Riverside Joshua Tree National Park. Pinto Mtn foothills, San Bernardino Wash, approx. 0.75 km south of Sunset Mine (STOP4). 475 Comment
  RSA472094  Pleurocoronis pluriseta E. S. Spalding 1926-2-15 s.n. Riverside Painted Canyon. Comment
  UCR233545  Pleurocoronis pluriseta Jim Andre, Glenn L. Clifton 2011-2-22 17418 Riverside Mecca Hills, along Box Canyon Road, 5.5 mi northeast of town of Mecca 52 Comment
  SDSU13611  Pluchea odorata W. Miller, C. Mosse 1972-7-19 Riverside Comment
  SBBG63431  Pluchea sericea M. N. Ackley 1928-4-3 220 Riverside Clary's Cyn 152 Comment
  UC133465  Pluchea sericea C. F. Baker 1903-4-4 4148 Riverside Elsinore Comment
  CAS-BOT-BC246626  Poa howellii S. B. Parish 1907-4-18 6141 Riverside Tahquitz on West Canon [Canyon], Palm Springs. Western border of the Colorado Desert 200 Comment
  RSA563884  Poa howellii A. C. Sanders 1993-4-30 13883 Riverside San Bernardino Mtns: Between Cherry Valley and the county line, along Butterfly Road, which joins Wildwood Canyon Road 0.4 miles W of Oak Glen Road., (116 deg 59'W, 34 deg 00'N) 1100 Comment
  RSA769821  Poa howellii E. W. Lathrop 1973-6-28 7437 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  UCD91842  Poa pratensis Alan A. Beetle 1946-6-10 4346 Riverside Mt. San Jacinto. At top of Tahquitz Valley. 2438 Comment
  UCR201616  Poa pratensis Scott D. White, Justin M. Wood 2008-6-18 12239 Riverside San Jacinto Mountains, meadow northwest of Keen Camp Summit, southwest of Hwy 79 1463 Comment
  UCR201662  Poa pratensis Scott D. White, Justin M. Wood 2008-6-19 12260 Riverside San Jacinto Mountains, meadows at Baldy Mountain 1677 Comment
  SEINET4560318  Polemoniaceae Duncan S. Bell 2009-1 238 Riverside Arica Mountains; northeast of range, approximately 2.25 air miles southwest of the ghost town of Rice 224 Comment
  RSA192341  Polygala cornuta var. fishiae H. A. Zuill 1966-6-19 232 Riverside Cole Canyon, 1-2 miles WSW of Murrieta Comment
  UC2031359  Polygonum arenastrum Duncan S. Bell with Kim Clark, Ingrid Crickmore, Bob Ellis, Keir Morse, and Gene Ratcliff 2013-4-7 4776 Riverside E side of Arica Mountains; W side of Rice Valley approx. 6 air miles SE of the ghost town of Rice or approx. 5.25 air Miles ESE of Priests Well. Comment
  UCR2730  Polypogon monspeliensis H. S. Fawcett 1914-8-21 1630 Riverside Peninsular Range, Elsinore Lake, NE beach 427 Comment
  RSA385498  Polypogon viridis N. C. Cooper 2638 Riverside Whitewater Canyon. Comment
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Jan 14 2010
  IRVC16603  Polystichum imbricans subsp. curtum Gordon A. Marsh, K. G. Marsh 1977-3-21 s.n. Riverside Santa Ana Mtns: Orange/Riverside county border; Bear Springs. Peninsular Ranges Comment
  CAS-BOT-BC102596  Populus fremontii S. B. Parish 1912-6-27 8130 Riverside Mecca, Colorado Desert Comment
  SEINET10932112  Populus fremontii Billy Joe Cox 1975-4-23 Cox 4156 Riverside Palo verde, 1-3 km w, ca 32 m s of blythe. Creosote desert scrub; sandy and gravelly entisols. 100 Comment
  SD229278  Populus fremontii subsp. fremontii Dick Schwenkmeyer 2012-10-16 851 Riverside Approx. 2 mi. south of U.S. Highway 10 at Cabazon. 505 Comment
  PASA1571  Porophyllum gracile Margaret Stason April 1932 Riverside Few miles west of Blythe Comment
  UC829295  Porophyllum gracile C. L. Hitchcock 1940-4-1 5904 Riverside 1 mi below Cottonwood Spgs.; Joshua Tree National Monument Comment
  UC537210  Potentilla wheeleri M. E. Jones Sep 1933 Riverside San Jacinto Mountains Comment
  LA34850  Prosopis glandulosa var. torreyana Mary V. Hood; 1940-11-24 40- 192 k* Riverside N Aguanga 548 Comment
  POM348755  Prosopis glandulosa var. torreyana A. Menke 1955-4-25 s.n. Riverside Palm Desert Comment
  CAS-BOT-BC216522  Prosopis pubescens Alice Eastwood 1913-4-30 3062 Riverside Palm Springs Comment
  SDSU13829  Prunus amygdalus W. Miller, C. Mosse Riverside Comment
  SD216522  Prunus fasciculata Jay B. Walker 1995-5-4 1411 Riverside San Bernardino National Forest; 1 kilometer south of Pinyon Flat Campground 1299 Comment
  JEPS44897  Prunus fremontii W. L. Jepson 1901-5-22 1377 Riverside Mount San Jacinto, Palm Canyon Palm Canyon; Mount San Jacinto, Palm Canyon Comment
  SD229259  Prunus fremontii Dick Schwenkmeyer, Collection made by Tony Harper 2013-5-8 889 Riverside Little Paradise Camp in Palm Canyon, approx. 8 miles S. of Cathedral City 869 Comment
  CAS-BOT-BC151113  Prunus fremontii H. E. McMinn 1925-7-1 1516 Riverside Palm Spring Canyon Comment
  UC1128421  Prunus ilicifolia R. St. John 1931-4-17 207 Riverside sw of Mockingbird Canyon 304 Comment
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Apr 2 2011
  SBBG44957  Psathyrotes ramosissima E. Braunton 1940-4-3 2013 Riverside Berdoo Cyn, 20 mi E of Indio 304 Comment
  UCR241715  Psathyrotes ramosissima Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 56 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  UCR281564  Pseudognaphalium biolettii Mitch Provance, John Hazlett, Matt K. Beyers, Jeremiah George 2017-5-31 517- 124 Riverside Temescal Valley, 0.25 miles SW of the intersection of De Palma Rd. and Horsethief Canyon Rd. 396 Comment
  UCR90753  Pseudognaphalium biolettii Scott D. White 1995-4-5 2737 Riverside Perris Valley, Lakeview Mountains: directly south of Rosary Ave. at ' T ' intersection with Central Ave., in town of Nuevo 488 Comment
  CHSC256  Pseudognaphalium californicum E. Thomas 1940-4-21 Riverside Palm Canyon. 457 Comment
  JOTR30279  Pseudognaphalium luteoalbum La Doux, Tasha, Alice Miller 2007-5-31 1777 Riverside Joshua Tree National Park. Stop 2: Cottonwood Springs/Oasis; in wet soil at oasis. 893 Comment
  LA6328  Pseudotsuga macrocarpa Carl Epling; April 1937 sn Riverside San Jacinto Mountains, Herky Creek Comment
  UCR114955  Psilocarphus brevissimus var. brevissimus Fred M. Roberts 1992-4-25 4867 Riverside San Jacinto Valley, Upper Salt Creek Watershed adjacent to Hemet, NW corner of California Avenue and Stowe Road, 3.3km ENE Winchester 455 Comment
  UCR89227  Psilocarphus brevissimus var. brevissimus Scott D. White 1995-9-22 3677 Riverside San Jacinto Valley, March Air Force Base, west of Plummer St. and south of Cactus Ave., 0.7 mile west of 215 Fwy. 460 Comment
  RSA560834  Psilocarphus tenellus Steve Boyd 1992-5-4 7189 Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  UCR35041  Psoralea rigida L. B. Ziegler 1966-7-12 062 Riverside San Jacinto Mtns, junction of Hwys 371 and 74 1463 Comment
  UC667246  Psorothamnus arborescens var. simplicifolius Annie M. Alexander and Louise Kellogg 1941-5-12 2156 Riverside 5.5 mi NE of Cottonwood Spring; Eagle Mountains, Colorado Desert 868 Comment
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Feb 4 2013
  UCD170847  Psorothamnus arborescens var. simplicifolius S. J. Myers 2014-5-21 1065 Riverside Western Edge Sonoran (Colorado) Desert, Whitewater, along Whitewater River at I-10. 407 Comment
  CAS-BOT-BC353636  Psorothamnus emoryi R. Freeman 1976-10-2 2157 Riverside South of I-10, N of Mule Mountains Comment
  RSA0106712  Psorothamnus emoryi Duncan S. Bell 2011-9-30 2945 Riverside Northeastern section of the Arica Mountains; northwest section of Rice Valley; approx. 2 air miles southwest of the ghost town of Rice. 234 Comment
  RSA792928  Psorothamnus emoryi Aaron C. Sedgwick, Cody Leslie 2012-9-20 121 Riverside South of 29 Palms Hwy 62 in a wash ~3 mi. east of Chadwick Rd. West of Ironage road ~1500 ft. 243 Comment
  SEINET2063866 Image available Psorothamnus emoryi P. Leary 1975-4-27 1115 Riverside One mile SE of Pinto Wells, Joshua Tree National Monument. 365 Comment
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Dec 3 2014
  SFV1811  Psorothamnus emoryi E. R. Blakley 1961-9-10 4707 Riverside 20 miles west of Blythe at desert wash crossing of US-Highway 60-70. 107 Comment
  UC15159  Psorothamnus emoryi S. B. Parish Apr 4 1896-Apr 13 1896 4112 Riverside desert base of San Jacinto Mt., Palm Springs (Agua Caliente) desert base San Jacinto Mt., Palm Springs (Agua Caliente) 152 Comment
  SEINET11132326 Image available Psorothamnus emoryi S. B. Parish 1906-5-1 910 a-6725 Riverside Colorado desert at Palm Springs Comment
  CAS-BOT-BC340897  Psorothamnus schottii Marcus E. Jones 1906-4-27 s.n. Riverside Indio Comment
  JEPS41676  Psorothamnus schottii W. L. Jepson 1927-4-14 11704 Riverside Silent Canyon Colorado Desert, , Silent Canyon (se end Santa Rosa Mts.) Comment
  RSA404255  Psorothamnus schottii D. A. Young 1969-4-18 P 353 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
  UC555342  Psorothamnus schottii Herbert L. Mason 1928-3-10 4218 Riverside Hidden Springs Canyon , Hidden Springs Canyon (Coachella Mts.) Comment
  UC667343  Psorothamnus schottii Annie M. Alexander and Louise Kellogg 1941-5-12 2161 Riverside road to Black Eagle Mine , road to Black Eagle Mine (Eagle Mountains) 777 Comment
  UCR89647  Psorothamnus schottii Bern Schwenn 1994-4-29 s.n. Riverside southern Mojave Desert, Joshua Tree National Monument, E side of Hexie Mtns., along Ruby Lee Well Road. 823 Comment
  CAS-BOT-BC340950  Psorothamnus spinosus S. B. Parish 1912-6-28 8107 Riverside Painted Canon [Canyon] near Mecca Comment
  CAS-BOT-BC340955  Psorothamnus spinosus Marcus E. Jones 1926-6-8 s.n. Riverside Palm Spring Comment
  JOTR32398  Psorothamnus spinosus Harding, Mitzi, A. Benton 2011-7-13 16 Riverside Joshua Tree National Park. Pinto Basin; Smoke Tree Wash; sandy, open flat along Pinto Basin road, just north of Smoke Tree Wash 809 Comment
  UC1129842  Psorothamnus spinosus H. S. Yates 1937-6-27 6725 Riverside mouth of Deep Canyon Thermal Quad., mouth of Deep Canyon Comment
  CHSC105751  Pterostegia drymarioides Christine C. Johnson; Paul J. Johnson 1985-3-12 956 Riverside Lamb Canyon, 2 miles NW of Gilman Hot Spr. 463 Comment
  RSA778327  Pterostegia drymarioides N. C. Cooper 1944-5-21 1288 Riverside San Jacinto Mountains, West side 915 Comment
  UCR158350  Pterostegia drymarioides A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30080 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
  RSA484521  Puccinellia nuttalliana Anstruther Davidson 1904-5-1 1102 Riverside Palm Springs. Comment
  UC5843  Quercus X acutidens Samuel B. Parish 1891-11-5 2258 Riverside McGee's Stone, e slope of the Coast Range Coast Range Comment
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Mar 9 2011
  UCD47725  Quercus X acutidens K. R. Montgomery 1969-8-6 69 16 Riverside Wilson Valley Road, 18 miles south of Hemet, Riverside County, California. 1219 Comment
  UCSB1217  Quercus X munzii Muller, Cornelius 1952-3-23 Riverside Live-oak Tank, Joshua Tree National Monument Comment
  UCR155335  Quercus agrifolia A. C. Sanders, Mike Misenhelter 2005-3-23 29267 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  RSA476866  Quercus agrifolia var. agrifolia Mark Morris, Richard Barkelew 1929-5-10 s.n. Riverside Indian Canyon Comment
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Nov 11 2011
  CAS-BOT-BC516761  Quercus berberidifolia Jeremiah George 2012-8-7 70812 -4 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
  UCR175694  Quercus berberidifolia Jennifer H. Jones 2006-6-6 391 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; San Juan Loop Trail 'head 598 Comment
  UCR96261  Quercus chrysolepis Scott D. White 1996-8-1 4443 Riverside San Jacinto Mtns., Idyllwild area: north of Strawberry Valley, between Bear Trap Canyon and Lily Creek 1616 Comment
  RSA503824  Quercus cornelius-mulleri M. B. Dunkle 1933-5-6 3378 Riverside Dry Morongo Creek. Comment
  UCD45609  Quercus cornelius-mulleri Alan D. Eliason; James R. Youse 1966-1-17 s.n. Riverside Live Oak Tank, Joshua Tree National Monument, in Riverside County, California. Comment
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Nov 6 2011
  UCR110934  Quercus engelmannii D. E. Bramlet 1991-4-29 2074 Riverside Shipley Reserve, Rawson Canyon c. 2 mi north of Lake Skinner. NW ridgeline of Black Mtn. c. 200 ft east of the existing access rd. 585 Comment
  UCR25725  Quercus engelmannii John LaSalle 1982-4-29 s.n. Riverside Santa Rosa Plateau, Mesa de Colorado, west of Murrieta. Comment
  POM123042  Quercus kelloggii Marcus E. Jones 1924-8-30 s.n. Riverside San Jacinto Mountains; Tahquitz trail. Comment
  UC848091  Quercus kelloggii Carl Epling 1931-10-4 Riverside Strawberry Valley San Jacinto Mts. Comment
  CAS-BOT-BC104311  Quercus palmeri Philip A. Munz 1946-10-19 11571 Riverside Burnt Valley, about 5.2 mi E of Anza 1310 Comment
  RSA39265  Quercus palmeri P. A. Munz 1946-10-19 11571 Riverside Burnt Valley, about 5.2 miles east of Anza 1311 Comment
  UCR265851  Quercus palmeri Mitch Provance, Jeffrey S. Ross-Ibarra 1998-8-14 1013 Riverside Jurupa Mountains, Rattlesnake Mtn., Crestmore Heights, knoll (1542), c. 4.2 km NW of downtown Riverside 396 Comment
  UCSB34688  Quercus palmeri Nixon, Kevin; Hendon, Emily 1980-5-23 Riverside 11.5 mi east of Moutain Center on Calif. Hwy 74 Comment
  RSA33879  Quercus turbinella N. C. Cooper 1944-5-20 1307 Riverside Palms to Pines Hwy., San Jacinto Mtns. 1220 Comment
  RSA489833  Quercus turbinella D. Charlton 1988-5-28 2128 Riverside Santa Rosa Mts. S of Hwy. 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp Area. 2287 Comment
  UC219579  Quercus wislizeni P. A. Munz 1922-6-30 5907 Riverside Santa Rosa Santa Rosa Mts. 1981 Comment
  UCR100577  Quercus wislizeni A. C. Sanders, T. Tennant 1997-11-14 21597 Riverside San Bernardino Mtns., Morongo Indian Reservation, W end of Burro Flats 1159 Comment
  UCR274148  Quercus wislizeni Mitch Provance 2012-8-30 17435 Riverside San Bernardino Mountains, Banning Bench, along E side of Bluff St, overlooking the San Gorgonio River 1067 Comment
  RSA215586  Quercus wislizeni L. B. Ziegler 1969-10-24 s.n. Riverside Kenworthy Ranger Station. Hemet Valley, San Jacinto Mts. 1418 Comment
  POM12865  Quercus wislizeni var. frutescens P. A. Munz 1922-6-30 5907 Riverside Santa Rosa Mts.: Santa Rosa. 1982 Comment
  RSA0097941  Quercus wislizeni var. frutescens Marc A. Baker, Chris Taylor, Paul Roberge 2015-7-9 18403 .1 Riverside San Gorgonio Pass, 34 km WNW of central Palm Springs, 300m south of the San Gorgonio River, 3 km ENE of Banning. 662 Comment
  RSA796516  Quercus wislizeni var. frutescens Robert F. Thorne, E. W. Lathrop 1977-5-18 49726 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  UCR262391  Quercus wislizeni var. frutescens Tom Scott 2011-1 2011- 566 Riverside San Bernardino Mtns., south side of mountains in Banning Canyon on USFS road 2S01, c. 5 miles up canyon from locked gate, USFS San Bernardino Nat. Forest 1275 Comment
  JOTR28943  Rafinesquia neomexicana La Doux, Tasha 2005-3-30 1179 Riverside Joshua Tree National Park. Next to Fried Liver Wash 544 Comment
  POM311103  Rafinesquia neomexicana H. K. Sharsmith 1952-4-10 4059 Riverside Smoke Tree Wash, ca 5 mi. NE of Cottonwood Spirngs, Joshua Tree National Monument 854 Comment
  RSA799884  Rafinesquia neomexicana D. M. Ray 2011-3-5 11 Riverside Sonoran Desert: Chuckwalla Valley along Kaiser Road. 198 Comment
  SEINET186324  Rafinesquia neomexicana P. A. Munz 1940-3-24 15707 Riverside 2 miles north of Cottonwood Springs Eagle Mountains. 914 Comment
  POM11506  Ranunculus alismifolius var. alismellus P. A. Munz 1922-7-6 6034 Riverside San Jacinto Mountains: north fork of Tahquitz Creek. 2226 Comment
  RSA721996  Ranunculus californicus R. S. Woglum 1934-3-18 630 Riverside Snow Creek, Coachella Valley Comment
  UC1608236  Ranunculus hebecarpus Steve Boyd 1992-4-15 6849 Riverside Bluewater Tr. downstream to confluence with San Mateo Creek; Santa Ana Mtns, San Mateo Cyn Wilderness Area, Bluewater Cyn 335 Comment
  SBBG101776  Rhamnus crocea S. Boyd, T. Ross 1991-6-14 6383 Riverside Warm Springs Crk at the NE end of Hogbacks ridge, from Alamos Rd S to confluence w/ Adobe Spring tributary, 2-3 mi NW of Murrieta Hot Springs Comment
  JOTR35448  Rhamnus ilicifolia Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 52 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop2) 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
  UCR106919  Rhamnus ilicifolia D. L. Banks, Lauren Raz 1996-11-5 1159 Riverside Agua Tibia Mountains, Pechanga Indian Reservation, south of San Gabriel Church; along a newly established firebreak along a NW-SE running ridgeline, near the water tank in section 34 421 Comment
  RSA284575  Rhamnus tomentella subsp. cuspidata C. W. Tilforth, John Dourley 1980-7-15 2074 Riverside South leg of Thomas Mountain Road, south of Lake Hemet, west of Hiway 74. Comment
  RSA696223  Rhus integrifolia Anonymous 1926-12-18 s.n. Riverside Santa Ana Mts Comment
  HSC101784  Rhus ovata J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13191 Riverside Along State Route 74 1227 Comment
  RSA650223  Rhus ovata G. W. Mason 1949-1-23 s.n. Riverside Found in Batista Canyon 7-10 miles east of Hemet 518 Comment
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Apr 29 2011
  SBBG133570  Rhus ovata S. D. White, A. Carey, L. Archa 2004-8-5 10684 Riverside San Jacinto Mtn foothills, Soboba Indian Reservation, Indian Creek from confluence w/ San Jacinto River to +/- 2 mi upstream. 534 Comment
  POM278238  Rhus trilobata Lyman Benson 1933-3-31 4142 Riverside US 66, Beaumont. 457 Comment
  RSA11581  Rhus trilobata var. anisophylla N. Dunn, A. M. Martin s.n. Riverside Cottonwood Springs. Comment
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Sep 11 2011
  LA205446  Ribes indecorum W. E. Pequegnat; 1939-4-8 12 Riverside Santa Ana Mountains, Coldwater Trail 731 Comment
  POM306650  Ribes indecorum Henry J. Ramsey, Mrs. Ramsey 1938-4-23 1505 Riverside Santa Rosa Mtns. Comment
  RSA717839  Ribes indecorum T. B. Salvato, Jeffrey Ross 1998-5-14 MOR- 132 Riverside Morongo Indian Reservation, flat area cut by small wash, south and west of dirt road to Kitching Peak near junction with East Branch Millard Canyon, tree stand M-04. 1128 Comment
  RSA221080  Ribes malvaceum var. viridifolium E. W. Lathrop 1966-5-8 6424 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  RSA0022087  Ribes montigenum F. W. Peirson 685 Riverside Summit of Mt. San Jacinto. 3262 Comment
  CAS-BOT-BC212235  Ribes quercetorum Philip A. Munz 1937-5-31 15120 Riverside Anza Tablet, head of Coyote Canyon, S.W. Riverside County 1066 Comment
  RSA615141  Ribes quercetorum A. C. Sanders, O. F. Clarke, H Foster 1997-3-2 19766 Riverside Box Springs Mountains E side of the range in Pigeon Pass area, above W end of Quail Call Drive, in canyon just west of section line. 610 Comment
  SD145977  Rorippa curvipes A. C. Sanders, Mitch Provance 1999-9-26 23112 Riverside San Jacinto Valley: Mystic (San Jacinto) Lake, 1.4 mi. south-east of Jackrabbit Trail on Gilman Springs Rd., 1.4 mi. south of Eden Hot Spring 433 Comment
  RSA575833  Rorippa curvisiliqua Steve Boyd 1981-5-15 s.n. Riverside Gavilan Hills region, Temescal Canyon at the confluence of 'Estelle Creek' and Temescal Creek, just northwest of the entrenched meander of Temescal Creek at the western Base of Estelle Mountain 317 Comment
  UCR25953  Rorippa nasturtium-aquaticum John C. Roos 1948-4-24 3795 Riverside Eastern San Bernardino Mtns./Sonoran (Colorado) Desert, Whitewater Wash 549 Comment
  UC219558  Rubus parviflorus P. A. Munz 1922-7-6 6028 Riverside North Fork of Tahquitz Creek San Jacinto Mts., North Fork Tahquitz Creek 2225 Comment
  UCR268070  Rumex D. E. Bramlet 2005-4-22 3824 Riverside Perris-Aguanga Basin Region, 1.8 km SE of Winchester, south of Patton Ave. and Patterson Ave. intersection, east of Hwy 79 449 Comment
  RSA741212  Rumex acetosella Scott D. White, Justin M. Wood 2008-5-15 11989 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  UC1931116  Rumex acetosella Scott D. White, Justin Wood 2008-6-18 12236 Riverside San Jacinto Mountains: Meadow N/W of Keen Camp Summit, S/W of Hwy 79. Comment
  UCR261157  Rumex hymenosepalus A. C. Sanders, Katie Young, John Hale 2015-4-22 41591 Riverside San Gorgonio Pass, San Gorgonio River wash, SE of Cabazon, east of Elm St., c. 1.6 km south of I-10, 1.2 km NW (319 deg. ) of One Horse Spring 458 Comment
  RSA784662  Rumex salicifolius Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 69 Riverside Margarite road further down to the valley after turn towards Robcar road Comment
  UCR9560  Rumex salicifolius var. salicifolius O. F. Clarke 1968-9-18 s.n. Riverside From the campus of the University of California at Riverside Comment
  SEINET269161  Rumex violascens Chet McGaugh 1996-4-26 Riverside Hemet 0.25 miles west of State Street between Esplande and Cottonwood. Comment
  UCR101300  Rumex violascens L. C. Wheeler 1955-6-10 7155 Riverside Sonoran (Colorado) Desert, Colorado River at John's Boat Landing Comment
  UCR201823  Salicornia subterminalis Karin Cleary-Rose, G. Nuhn 1995-7-20 s.n. Riverside Peninsular Range; Perris-Aguanga Basin, west edge of Hemet, 19 acre parcel on the Wilhelm Ranch, between Hwy 74 and Whittier Ave, at south end of Hyatt Ave., west of the San Diego Aqueduct 457 Comment
  SBBG56034  Salix exigua C. Davidson 1977-4-7 5593 Riverside Whitewater Cyn Rd, near start of Pacific Crest Trail 609 Comment
  SDSU13350  Salix exigua var. hindsiana Joseph R. Verfaillie, BIO 531 Taxonomy class (SDSU) 2000-4-1 29 Riverside Santa Margarita Ecological Reserve (SDSU). Near the center of the canyon, near the pipe line crossing. 239 Comment
  CAS-BOT-BC108102  Salix gooddingii Mrs. J. D. Abrams 1901-5-20 s.n. Riverside Elsinore Comment
  UCR121089  Salix gooddingii A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24971 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  RSA543185  Salix laevigata Steve D. Boyd 1991-3-17 5502 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  RSA715295  Salix laevigata A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32676 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd., near stream crossing of dirt road. 549 Comment
  SD80051  Salix laevigata Nancy Ryan Zabriske, Walter Zabriske 1970-3-27 268 Riverside Andreas Canyon, east slope San Jacinto Mts. 305 Comment
  SEINET1004492  Salix laevigata T. B. Salvato, Kent Beaman 2005-1 840 Riverside San Jacinto Mtn foothills: San Jacinto River E of Valle Vista just downstream from the Forest Service Boundry and N of CA Hwy 74. 549 Comment
  UCR97693  Salix laevigata A. C. Sanders, G. Helmkamp 1997-3-15 19968 Riverside Lake Skinner area: lower Rawson Canyon, along the dirt road toward Bachelor Mountain 457 Comment
  CSUSB919  Salix lasiandra Oscar F. Clarke, M. Alexander 1971-3-31 Riverside Santa Ana River Santa Ana River bottom, in (city of) Riverside. Union Pacific Bridge. Comment
  UCR182374  Salix lasiolepis Andrea Salzman, Ricky Escobar, et al 2006-4-10 48 Riverside Peninsular Range, Agua Tibia Wilderness at Arroyo Seco, c. 0.5 mi. south of Dripping Springs Guard Station 518 Comment
  RSA470153  Saltugilia australis Ora M. Clark 1929-2-22 1584 Riverside E. of Whitewater, Colorado Desert. Comment
  UCR274304  Saltugilia australis T. B. Salvato, Melissa Clemons 2005-6-6 1424 Riverside Peninsular Range, Gavilan Hills, c. 0.75 mile south-southeast of Steele Peak, 0.6 mile E of Hammack Ranch, and 5 miles north-northeast of Lake Elsinore 579 Comment
  RSA411322  Salvia apiana N. C. Cooper 1944-5-6 2635 Riverside Whitewater Canyon. 457 Comment
  UCR136929  Salvia carduacea B. C. Templeton, C. B. & I. W. Clokey 1930-4-15 1482 Riverside Gavilan Hills, between Perris and Gavilan Peak 500 Comment
  HSC100856  Salvia columbariae J. P. Smith, J. O. Sawyer, & R. J. Cole 2010-4-18 12773 Riverside 457 Comment
  IRVC2084  Salvia columbariae M. Cadnum 1965-4-3 none Riverside Lake Elsinore. southern coastal Comment
  UCR100097  Salvia columbariae R. G. Swinney 1967-3-5 0057 Riverside San Jacinto Mtns/Colorado Desert, Snow Creek 381 Comment
  UCSB5777  Salvia columbariae Stoppel, Gordon 1958-3-22 Riverside Off side road; at campsite near Indio highway; several miles from Indio Comment
  RSA586164  Salvia mellifera D. L. Banks, Steve Boyd 1995-3-30 129 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., W of the Dripping Springs Alcove, on the Woodchuck Trail. 634 Comment
  SEINET11196321  Salvia mellifera Unknown 2006-5-13 32275 Riverside Temecula Comment
  UCR107389  Salvia mellifera B. G. Pitzer 1997-3-23 2970 Riverside Perris-Aguanga Basin Region, Lakeview Mtns, c. 1 air mi. SSW of Mt. Rudolph, along powerline road 0.3 mi. east of Contour (Juniper Flats) Rd. 610 Comment
  UCR277735  Salvia mellifera Mitch Provance 2012-1-26 112- 05 Riverside Badlands of Western Riverside County, San Timoteo Canyon, El Casco area, 0.3 miles S of Fisherman's Retreat 695 Comment
  UC187491  Salvia pachyphylla A. W. Anthony 1895-7-13 Riverside San Jacinto Mountains 2438 Comment
  UC883998  Salvia vaseyi P. A. Munz and I. M. Johnston 1922-5-7 5285 Riverside Mouth of Dry Morongo Wash; Colorado Desert 365 Comment
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Sep 26 2011
  RSA586851  Sambucus mexicana D. L. Banks, S. D. Boyd 1995-5-3 270 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  UCR270170  Sambucus nigra A. C. Sanders, Jeanne Marie Acceturo & participants in Jepson Workshop 2016-4-2 42390 Riverside Peninsular Range, UC Emerson Oaks Reserve, c. 8 miles southeast of Temecula, south of Hwy 79 at E end of Pauba Valley, south end of Los Caballos Road, vicinity of lab and old Emerson house site 488 Comment
  HSC85413  Sanicula bipinnatifida Steve Boyd 1986-3-9 1379 Riverside Temescal Canyon: Alberhill Mountain, S slope of mountain just E of Claymine area 427 Comment
  POM3180  Sanicula bipinnatifida Robinson, Crocker 1916-3-29 s.n. Riverside Santa Ana Mountains, near Murrieta. Comment
  RSA471474  Sanicula crassicaulis N. C. Cooper 1947-4-5 2044 Riverside Los Alamos Canyon, Elsinore. 762 Comment
  UC708738  Sarcostemma cynanchoides subsp. hartwegii H. K. Wagnon 1944-5-25 391 Riverside near falls n. side Tahquitz Canyon; Palm Springs Comment
  UCR123866  Sarcostemma cynanchoides subsp. hartwegii Steven R. Hill 2001-5-3 33651 Riverside San Jacinto Mtns., NE-facing slopes of Mt. San Jacinto, Tramway Road in vicinity of road summit, Chino Canyon, c. 1.0-1.5 mi SW of Calif. Hwy 111, Palm Springs.Boundary of Palm Springs Aerial Tramway property, at entrance gate 610 Comment
  SEINET4566951 Image available Sarcostemma hirtellum Scott D. White 2001-4-17 8337 Riverside Sonoran Desert: Shavers Valley. North of the I-10 Freeway, ca. 16 miles east of Indio jtn. I-10/ SR 111. Bajadas, washes, and mtn. foothills near powerline access roads at unnamed freeway exit accessing pump station. 457 Comment
  RSA650260  Schinus molle W. H. Grady 1948-5-18 s.n. Riverside Found in Riverside, growing in Fairmont Park. 259 Comment
  UCR262269  Schinus molle A. C. Sanders 2006-5-13 32276 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
  CAS-BOT-BC243463  Schismus barbatus Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 4046 Riverside Vail Lake area, lower lsopes of Aqua Tibia Mtn., along Hwy 79, E of USFWS Dripping Springs Guard Sta. 609 Comment
  CLARK-A1656-759  Schismus barbatus Theo Glenn 1979-3-11 Riverside San Jacinto Mountains Comment
  UCD93259  Schismus barbatus Peter Kamb 1948-4-11 893 Riverside Lower Sonoran Zone. Aqueduct Road 5 mi east of Garnet, Coachella Valley. 304 Comment
  UCR60235  Schismus barbatus R. F. Thorne, M. Z. Thorne 1973-3-30 42683 Riverside Sonoran (Colorado) Desert, Morongo Valley Canyon, near mouth at junction of roads to Morongo Valley and Desert Hot Springs; [vicinity of Hwy 62 crossing of Mission Creek] 488 Comment
  RSA736655  Schoenoplectus americanus Justin M. Wood 2008-7-16 31 Riverside Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan property, Alberhill area. Comment
  UCR201873  Schoenoplectus americanus Justin M. Wood 2008-9-22 152 Riverside SW Perris Basin, Temecula/Murrieta Creek, downstream of 1st Street bridge 305 Comment
  RSA366084  Schoenoplectus maritimus C. Epling, Joseph A. Ewan 1933-06 s.n. Riverside South shore Lake Elsinore. Comment
  SDSU12972  Schoenoplectus pungens var. longispicatus Michael G. Simpson 1999-10-27 2039 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  POM47439  Scirpus microcarpus Mary F. Spencer 1919-6-28 1234 Riverside Idyllwild, San Jacinto Mountains. 1646 Comment
  UC1076479  Scleranthus annuus subsp. annuus Herbert L. Mason 1926-4-30 3125 Riverside Pala Grade Comment
  UCR93025  Scrophularia californica G. P. Schultz 1994-4-7 85 Riverside Box Springs Mtns, Big Springs Canyon and N on the crest to Two Trees Canyon (S side) Comment
  UC887498  Scrophularia californica subsp. floribunda I. W. Clokey, C. B. Clokey, and B Tampleton 1930-4-15 4635 Riverside Gavilan Peak 540 Comment
  UCR111550  Scrophularia californica subsp. floribunda Mitch Provance 1998-5-4 1713 Riverside Jurupa Mountains, SW 'Rattlesnake Mt.', above the Ormand Quarry, c. 1.5 km west of peak 1739 366 Comment
  POM9610  Scrophularia californica subsp. floribunda I. M. Johnston 1920-5-8 2264 Riverside Box Springs Grade Comment
  SEINET156173  Scutellaria angustifolia Norman C. Cooper 1944-7-16 1540 Riverside San Jacinto Mtn., Pine Cove. 1524 Comment
  RSA5220  Scutellaria siphocampyloides Carl B. Wolf 1932-8-4 3907 Riverside Point View near Idyllwild. 1646 Comment
  SBBG71220  Scutellaria siphocampyloides Mrs. J. D. Wright 1929-6-25 Riverside San Jacinto Mtns [probably near Idyllwild] Comment
  UC104302  Scutellaria siphocampyloides A. W. Anthony 1895-7-15 Riverside San Jacinto 1828 Comment
  RSA0074165  Scutellaria siphocampyloides Richard Olmstead 1986-6-8 804 Riverside 1.1 mile SE of Mountain Center along Hwy 74. 1448 Comment
  RSA40603  Sedum niveum J. C. Roos 1948-8-27 2919 Riverside Santa Roas Mountains, north slope 122 Comment
  SD135197  Sedum niveum Craig Reiser, Dylan Hannon 1993-5-31 Riverside Saddle between Santa Rosa Peak and Toro Peak Comment
  CAS-BOT-BC69811  Selaginella bigelovii Lewis S. Rose 1959-1-14 59014 Riverside White Water. 426 Comment
  UC306709  Selaginella bigelovii S. B. Parish 1918-4-3 11695 Riverside mouth of San Jacinto Canyon (Oak Lodge) 914 Comment
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Nov 20 2011
  UC668414  Selaginella bigelovii Annie M. Alexander and Louise Kellogg 1941-4-22 2062 Riverside White Water Canyon; Colorado Desert 548 Comment
  UCR275953  Selaginella bigelovii T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3794 Riverside San Jacinto Mountains, Rouse Ridge, east of Rouse Hill on 4WD road 2E17 (becoming a foot trail), c. 0.7 mile north of Rouse Ridge Road (5S15), NE of Milky Spring, San Bernardino National Forest 1476 Comment
  CAS-BOT-BC62088  Selaginella eremophila L. R. Abrams 1926-3-26 11077 Riverside Palm Canyon Comment
  RSA588838  Senecio flaccidus var. douglasii D. L. Banks, S. D. Boyd 1995-10-17 0781 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
  RSA614303  Senecio vulgaris D. L. Banks, Victor W. Steinmann 1997-3-13 1505 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
  RSA689369  Senecio vulgaris Scott D. White 2001-4-19 8370 Riverside Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5 - 2 mi. W of I-215 freeway. 442 Comment
  UCR97474  Senecio vulgaris A. C. Sanders 1997-3-1 19703 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  JOTR30067  Senna armata La Doux, Tasha, Mike Bell, Katy Mathews, Alice Miller, Amber Holt 2007-5-23 1697 Riverside Joshua Tree National Park. Stop # 3 = Near Geology Tour rd., N of Malapai Hill 1219 Comment
  RSA1193  Senna armata B. D. Stark 1930-5-25 1619 Riverside Chuckawalla Valley, Colorado Desert Comment
  UCR126000  Senna artemisioides Robert Hamilton 2003-2-6 s.n. Riverside Riverside, vacant field on Monroe St. SE of California Ave. 232 Comment
  JEPS64755  Senna covesii Marjorie D. Clary 1932-3-24 812 Riverside Santa Rosa Mountains Comment
  POM11977  Senna covesii E. C. Jaeger 1921-03 s.n. Riverside Martinez Canyon., [I think Martinez Cyn. should be either in the San Jacinto Mtns. region or in the western Colo Des region -- the Martinez Cyn I know of is in the Santa Rosa Mtns. -SDW 2004] Comment
  RSA0031606  Sequoiadendron giganteum Rudolf Schmid, Mena Schmid 2009-5-1 2009 -1 Riverside NW. San Jacinto Mtns., ne. of HW 243 ca. 16 highway km nw. of Idyllwild, in the s. unit of the San Bernardino National Forest, on sw. flank of Black Mtn. Just left (as ascending) of Black Mountain Trail on slope by large trunk lying across trail, at the, head of Hall Canyon. 2036 Comment
  UCR145577  Sesuvium verrucosum Chet McGaugh 2004-11-15 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, 1 mile south of Thermal, parcel bounded by Ave. 58 & Ave. 60 on the north and south and by Polk and Filmore on the west and east, between the airport and Whitewater River -41 Comment
  SACT002095  Setaria verticillata Malcolm Nobs, Galen Smith 1948-9-3 Riverside 2 miles north of Indio. Comment
  RSA0076308  Sibaropsis hammittii Naomi Fraga, Amber Maurice 2005-4-1 1532 Riverside Elsinore Peak on a grassy knoll about 0.5 miles southeast of Elsinore Peak on the crest of the range, north of the Main Divide Road. 976 Comment
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Apr 28 2020
  RSA162852  Sidalcea malviflora subsp. sparsifolia John Olmsted 1958-6-15 176 Riverside May Valley Truck Trail 2 mi. SE of Saunder s Meadow SW of Idyllwild Calif. (turn S from Idyllwild-Hemet Rd. at Idyllwild school.) 1646 Comment
  RSA433909  Sidalcea malviflora subsp. sparsifolia Gale Sphon 1955-5-22 s.n. Riverside Hemet Meadow Comment
  RSA728147  Sidalcea malviflora subsp. sparsifolia Daphne K. Christopher, Hannah Stevens, Zachary Princip 2003-4-7 109 Riverside Santa Rosa Plateu Nature Conservancy Preserve. Tenaja Truck Road. 610 Comment
  CAS-BOT-BC109420  Sidotheca emarginata Louis B. Ziegler 1964-8-1 s.n. Riverside Road above Kenworthy Ranger Station, Garner Valley, San Jacinto Mountains. 1463 Comment
  CAS-BOT-BC109425  Sidotheca emarginata Philip A. Munz 1937-5-30 15081 Riverside Northwest slope of Santa Rosa Mountains. 2133 Comment
  RSA586099  Silene multinervia D. L. Banks, Steve Boyd 1995-4-5 0139 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, along the Dripping Springs Trail., 33 deg 27' 20''N-116 deg 58' 26''W 646 Comment
  UCR25031  Silene parishii A. C. Sanders 1980-8-21 1774 Riverside San Jacinto Mtns., Foot of cliff along the Devil's Slide Trail above Idyllwild 2439 Comment
  UCR130852  Silybum marianum 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
  RSA23645  Simmondsia chinensis Percy C. Everett 1939-7-7 9524 Riverside 3 mi. N of Temmecula-Aguaga Rd. on road to Hemet. 762 Comment
  UCD101792  Simmondsia chinensis Franklin C. Raney 1959-4-30 59 - Riverside west side of State Highway 79, 13.1 miles south of Hemet. Comment
  RSA0123681  Sisymbrium altissimum Duncan S. Bell, LeRoy Gross 2016-3-9 8860 Riverside Orocopia Mountains; northwestern section of the range, approximately 6.5 air miles southwest of Chiriaco Summit, collecting in the area know as Hotel California. 775 Comment
  SD181635  Sisymbrium altissimum Louis C. Wheeler 1955-6-16 7162 Riverside San Jacinto Mountains, east of Mountain Center. 1402 Comment
  CLARK-A1528-924  Sisymbrium irio Patricia A. Andrews 1975-3-13 5903 Riverside Rubidoux Comment
  RSA651357  Sisymbrium irio Gregorio Hernandez 1953-2-17 s.n. Riverside Near El Casko. Between S.P. station and lake. Comment
  UCR21980  Sisymbrium irio Steve Boyd 1980-5-3 169 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  UCR249667  Sisymbrium irio T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7305 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
  UCR125303  Solanum douglasii A. C. Sanders 2002-11-21 25629 Riverside Temescal Valley, development called 'Trilogy at Glen Ivy,' between Bixby and Brown Canyons 457 Comment
  POM9568  Solanum douglasii Philip A. Munz, R. D. Harwood 1920-2-25 3258 Riverside 3 mi. west of Corona 335 Comment
  UCR8745  Solanum lanceolatum O. F. Clarke 1968-12-16 s.n. Riverside Riverside, residential garden of Edmund C. Jaeger, 4475 6th Street 256 Comment
  UCR19142  Solanum physalifolium var. nitidibaccatum John C. Roos, L. Roos 1953-6-29 5925 Riverside San Bernardino Mtns. Foothills, Cherry Valley north of Beaumont 976 Comment
  UCR99562  Solanum rostratum B. G. Pitzer 1996-11-15 2934 Riverside Upper Santa Ana River/San Bernardino Valley Region, City of Riverside, bike path behind University Townhomes apartments west of Canyon Crest Dr., between Blaine Street & Elgin Drive. 335 Comment
  RSA33635  Solanum umbelliferum Willa Rutherford 1944-7-15 1607 Riverside Palms to Pines Hwy., San Jacinto Mtns. 1372 Comment
  RSA427442  Solanum umbelliferum Christopher Davidson 1978-6-15 7380 Riverside Santa Rosa Mts. Road from Hwy 74 to Sta Rosa Mt., ca. 2 mi W of junction to Sta Rosa Spgs Campground. 2088 Comment
  SEINET7262094 Image available Solanum xanti var. glabrescens B. C. Templeton, I. W. Clokey 1930-4-9 1080 Riverside SW of Moreno Grade Comment
  UCR163794  Solidago californica John F. Green 2005-11-2 s.n. Riverside Peninsular Range, Southern Santa Ana Mtns., Santa Rosa Plateau, La Cresta area, 2 miles NNW of Squaw Mountain near the Cleveland Nat. Forest boundary 732 Comment
  RSA90062  Solidago californica E. K. Balls, Percy C. Everett 1953-8-19 18545 Riverside Santa Rosa Spring, Santa Rosa Peak 2134 Comment
  RSA90132  Solidago californica E. K. Balls, Percy C. Everett 1953-8-19 18533 Riverside 0.5 miles southeast of Kenworthy Ranger Station, Highway 74, Palms to Pines Highway 1402 Comment
  CAS-BOT-BC365127  Solidago velutina subsp. californica Winifern W. Swarth 1914-9-7 s.n. Riverside Strawberry Valley, San Jacinto Mts. 1828 Comment
  SD112525  Solidago velutina subsp. californica Darley F. Howe 1973-7-28 4884 Riverside Santa Rosa Mts. 2040 Comment
  UC489092  Solidago velutina subsp. californica C. V. Meyer 1928-7-30 578 Riverside Saunder's Meadow San Jacinto Mt., Saunder's Meadow (San Jacinto Mt., Southern California) 1676 Comment
  RSA789243  Sonchus asper Naomi Fraga, Erika Gardner, Beth Kempton, Tom Kerrin-Torres, Michael Wall 2008-7-17 2419 Riverside Mount San Jacinto State Park; Hidden Lake 2652 Comment
  CLARK-A1656-849  Sorghum bicolor Jon Mark Stewart 1983-11-6 Riverside Palm Desert Comment
  CSUSB1346  Spartium junceum Richard Sayre 1972-5-22 Riverside Hemet Ramona Bowl Comment
  HSC24977  Spartium junceum Richard Spjut 1972-3-29 2340 Riverside Cleveland National Forest: Along Ortega Hwy. (74) on the E side of the Santa Ana Mts. 457 Comment
  RSA0097300  Spergularia atrosperma Scott D. White, Michael Honer 2003-4-9 8969 Riverside Hemet Area: Northeast corner of Devonshire Ave. and Warren Road, immediately southwest of Tres Cerritos. Former chicken farm. 473 Comment
  UCR25932  Spergularia marina John C. Roos, L. Roos 1951-10-24 5337 Riverside Santa Ana River, at Pedley 229 Comment
  UCR77768  Spergularia platensis Steve Boyd, D. E. Bramlet 1991-5-13 6234 Riverside Peninsular Range, Winchester Valley between Winchester and Hemet along upper Salt Creek drainage. Vernal pool association in pasture north of Santa Fe Railroad tracks, west of San Diego Aqueduct 457 Comment
  UCR95465  Spergularia platensis Steve Boyd, D. E. Bramlet 1996-4-19 8605 Riverside San Jacinto Valley, c. 2 air mi NE of Winchester and 0.5 mi west of Ryan Airfield in the upper Salt Creek floodplain, at the N end of California Ave., north of Stetson Ave, west of Metropolitan WAter District canal. 457 Comment
  RSA0098104  Spergularia rubra Steve Boyd, David E. Bramlet 1996-4-19 8635 Riverside San Jacinto Valley, San Jacinto Wildlife Refuge at southeastern [end] of the Bernasconi Hills in the San Jacinto River floodplain, ca. 0.5 mi NE of Lakeview Hot Springs, just N of Ramona Expressway on the W side of the river. 433 Comment
  RSA0098497  Spergularia salina Scott D. White, Justin Wood 2008-4-15 11880 Riverside Perris Valley: Interstate 215, between Nuevo Rd and Scott Rd. 427 Comment
  JEPS79989  Sphaeralcea ambigua I. W. Clokey 1935-4-17 6745 Riverside Cottonwood Springs Comment
  OBI38353  Sphaeralcea ambigua A. C. Sanders, Charleton, Pitzer, Stewart, et al 1986-3-1 6048 Riverside Chuckwalla Bench, W side of the Chuckwalla Mts; small rocky hill 6 mi S of hwy I-10 on the gasline rd, 1/2 mi NW of the Model Mine 518 Comment
  SJSU2619  Sphaeralcea ambigua T. N. Seeno 1963-4-12 275 Riverside Palm Canyon c. 7 mi S of Palm Springs Comment
  UCD116767  Sphaeralcea ambigua L. S. Rose 1935-11-23 s.n. Riverside Above Deep Canyon, San Jacinto Mts., 22 mi. So. Of Cathedral City. Colorado Desert. 1066 Comment
  RSA125551  Sphaeralcea ambigua subsp. rugosa R. Weatherby 1949-5-21 498 Riverside Radec, near Hemet 610 Comment
  UC18958  Sphaeralcea ambigua var. ambigua S. B. Parish Apr 4-13 1896 408 Riverside desert base of San Jacinto Mts.; Palm Springs (Agua Caliente) 152 Comment
  SEINET3224406  Sphaeralcea ambigua var. rosacea G. Goodwin 2012-6-15 3460 Riverside 6 miles south of Banning at the junction of highway 243 and the road to Mt. Edna 1070 Comment
  UCD116822  Sphaeralcea ambigua var. rosacea R. L. Smith 1948-3-24 s.n. Riverside Foot of Murray Canyon, northeast side of San Jacinto Mountains. Comment
  RSA442871  Sphaeralcea emoryi var. nevadensis E. C. Jaeger 1922-4-9 728 Riverside Wiley s Well, Colorado Desert of California. Comment
  RSA0093771  Sporobolus contractus Duncan S. Bell 2015-9-30 8683 Riverside Santa Rosa Mountains; Little Pinyon Flat; collecting in a large drainage from Cactus Spring Trail to Horsethief Creek. 1246 Comment
  UCR922  Stachys albens Geraldine Wedell 1959-5-14 s.n. Riverside San Bernardino Valley Region, Riverside, Fairmount Park, on NW side of Dexter Drive, SW side of American Legion building. 237 Comment
  POM4081  Stachys rigida subsp. rigida Jenkins, Street 1917-5-30 s.n. Riverside Idylwild Canyon. Comment
  UCR91651  Stachys rigida var. rigida D. L. Banks, V. W. Steinmann 1995-7-10 0744 Riverside Peninsular Range, NW Palomar Mtns; Agua Tibia Mtns; Cleveland National Forest; Agua Tibia Wilderness Area, along the Wildhorse Trail, south of Lower Arroyo Seco, NW of Wildhorse Peak 610 Comment
  UC63149  Stebbinsoseris heterocarpa H. M. Hall April 1903 3828 Riverside vicinity Riverside (Southern California) 365 Comment
  CAS-BOT-BC393996  Stellaria nitens Steve Boyd 1986-3-9 1400 Riverside Temescal Canyon: Terrace escarpments between Indian Truck Trail and Horsetheif Wash 365 Comment
  JEPS4196  Stemodia durantifolia F. W. Peirson 1919-4-14 Riverside Palm Springs, foot of Murray Canyon; Mt. San Jacinto Comment
  CLARK-A1528-95  Stenotaphrum secundatum John C. Roos, Lucille Roos 1951-9-22 5234 Riverside Riverside Comment
  SFV4123  Stephanomeria exigua M. L. Vincent, R. H. Swade 1963-10-19 466 Riverside Snow Creek Road, 2 miles from its intersection with California State Highway 111. This intersection is about 0.5 miles southeast of the intersection between Highway 111 and Interstate Highway 10. 366 Comment
  UCR154382  Stephanomeria exigua subsp. deanei A. C. Sanders, Mike Misenhelter 2005-6-15 30948 Riverside Peninsular Range; Sage-Aguanga Region, 2 miles NNE of Vail Lake, 4 miles SSW of Sage, Denise Rd. at Bonita Rd., near Calle de Nino, 1.2 mi. NE of summit of (Big) Oak Mtn., SW of Rocky Ridge and SE of Black Hills 671 Comment
  CAS-BOT-BC375497  Stephanomeria exigua subsp. exigua Mrs. E. C. Van Dyke 1925-7-1 s.n. Riverside Along road from Idyllwild to desert Comment
  RSA775938  Stephanomeria exigua subsp. exigua Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 948 Riverside Dune system along Midland Rice Road, South of Arica Mountains. 305 Comment
  UCD136335  Stephanomeria exigua subsp. exigua Robert F. Thorne; Rolf and Gertrud Dahlgren 1979-8-22 53585 Riverside Joshua Tree National Monument: vicinity of ryan Campground to base of Ryan Mountain. 1318 Comment
  SEINET10443491 Image available Stillingia linearifolia Marc A. Baker, Danny Cuellar, Youssef Atallah, and Elizabeth Kempton 2015-4-13 18314 Riverside San Gorgonio Pass, 5.5km WNW of White Water, 20km NW of Palm Springs 456 Comment
  UCD142277  Stillingia linearifolia A. C. Sanders 1997-3-1 19747 Riverside Box Springs Mtns., S end of the range along Gernert Rd. (dirt), in valley draining to Box Springs Cyn. 457 Comment
  UCR133970  Stillingia linearifolia Mitch Provance, J. S. Ross 1998-3-27 MOR- 949 Riverside San Bernardino Mtns., Morongo Indian Reservation, Lion Canyon, c. 1.2 miles NE of the town of Cabazon 579 Comment
  UCR35105  Stillingia linearifolia L. B. Ziegler 1966-9-13 086 Riverside Sonoran (Colorado) Desert, San Jacinto Mountains, Dry wash of Carrizo Creek Canyon 703 Comment
  SEINET880825  Stillingia spinulosa J. C. Roos 1965-1 s.n. Riverside Dillon Road in Desert Hot Springs. 305 Comment
  UCR177405  Stillingia spinulosa Marisa Sripracha, K. A. Boyd 2004-3-21 61 Riverside Sonoran (Colorado) Desert, Willow Hole, Coachella Valley 244 Comment
  RSA706095  Stipa capensis Nathan Moorhatch, John Green 2003-4-2 s.n. Riverside Sonoran Desert: Coachella Valley/Santa Rosa Mountains, Cathedral Canyon, east side of the housing development called The Cove 152 Comment
  OBI42548  Stipa cernua B. Pitzer & K. Kirthland, K. Kirthland 1986-5-6 200 Riverside Butterfield Stage Ranch development, in the hills on the N side of Pauba Valley in the Rancho Calif area, 1 mi S of Buck Mesa on the E side of Butterfield Stage Rd (T7S, R2W, sec 36) Comment
  SD204782  Stipa lepida Sarah J. De Groot, Beth Kempton 2006-3-16 5210 Riverside San Jacinto Mountains; dirt road heading east from Castille Canyon Road toward Indian Creek, west of Poppet Flat. 658 Comment
  UCR214141  Stipa lepida A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-2 37722 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
  RSA0124038  Stipa speciosa Duncan S. Bell, LeRoy Gross 2016-3-10 8883 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
  UCR244390  Stipa speciosa Jim Andre 2012-4-16 20971 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
  UCR2819  Stipa speciosa F. M. Reed 1926-5-8 5326 Riverside Perris Basin, Rocky hill near Good Hope Mine Comment
  UC857405  Streptanthella longirostris Lewis S. Rose 1936-12-29 36835 Riverside La Quinta 0 Comment
  POM48367  Streptanthus bernardinus P. A. Munz, Johnston 1924-7-27 8782 Riverside Dark Canyon. 1829 Comment
  CLARK-A1528-5232  Streptanthus heterophyllus John C. Roos 1952-3-19 5404 Riverside Box Springs Mountains 487 Comment
  RSA612962  Stylocline gnaphaloides D. L. Banks 1997-3-29 1631 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
  RSA675687  Stylocline gnaphaloides Scott D. White 2001-5-1 8443 Riverside Near Sun City: Quail Valley: Valleys and slopes east of Canyon Lake and west of Goetz Road. 442 Comment
  SD152917  Stylocline gnaphaloides Steve Boyd, Tim Ross 1992-5-5 7243 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Aea. Eastern portions of Oak Flats along the Bluewater Trail. In openings in chaparral. 730 Comment
  UC1051483  Stylocline gnaphaloides Herbert L. Mason 1952-4-7 14208 Riverside Palm Canyon Palm Springs Comment
  UCR27175  Stylocline gnaphaloides E. W. Lathrop 1966-5-29 6381 Riverside Peinsular Range; Santa Ana Mtns, Cleveland National Forest, Main Divide Truck Trail between El Carriso and Santiago Peak 1223 Comment
  RSA438600  Suaeda calceoliformis Anstruther Davidson 1903-5-3 s.n. Riverside Thermal. Comment
  SD67903  Symphoricarpos rotundifolius var. parishii Reid Moran 1968-8-3 15350 Riverside Ridge 1.0 mile northwest of Toro Peak. 2250 Comment
  UC64323  Symphoricarpos rotundifolius var. parishii H. M. Hall 1897-7-21 705 Riverside Round Valley; San Jacinto Mountains Comment
  POM182768  Symphyotrichum Reed 669 Riverside Riverside. Comment
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Mar 15 2014
  UCR265609  Symphyotrichum defoliatum James Hughes 2015-10-2 s.n. Riverside San Jacinto Mountains, eastern half of Johnson Meadow, c. 1 km east of 'Living Free' animal adoption sanctuary corral 1470 Comment
  POM319398  Tamarix parviflora Patricia Wilder 1971-3-20 4888 Riverside Along Santa Ana River at end of Pedley Steet, Norco; south side of river 244 Comment
  RSA544381  Tamarix ramosissima Steve D. Boyd, Tim S. Ross 1991-6-14 6396 Riverside Warm Springs Creek at NE end of Hogbacks ridge from Alamos Rd. S to confluence w/ Adobe Springs tributary, 2-3 miles NW of Murrieta Hot Springs. Comment
  RSA793026  Tauschia arguta Justin M. Wood 2011-4-4 3396 Riverside San Bernardino Mountains Foothills: San Gorgonio River wash, off of Bluff Street, just east of Banning Bench. 881 Comment
  HSC8038  Tetracoccus hallii C. L. Hitchcock, C. V. Muhlick 1964-3-22 23256 Riverside Side canyon near S entrance to Joshua Tree National Monument. Comment
  SJSU6129  Tetracoccus hallii D. S. Starks 1972-7-4 148 Riverside Joshua Tree National Monument Comment
  CDA26835  Tetradymia comosa Mike Lahti 2008-11-4 PDR# 1509246 Riverside Hemet, 0.5 miles east of Sage Rd. along Red Mountain Rd. 0 Comment
  UCR91654  Tetradymia comosa D. L. Banks, Steve Boyd 1995-10-26 0835 Riverside NW Palomar Mtns, Agua Tibia Mtns, along the Woodchuck Road, north of Woodchuck Campground; approximately 015 mi from Hwy 79 518 Comment
  RSA451305  Thamnosma montana C. Cunningham 1941-2-9 s.n. Riverside 29 Palms Junction. 366 Comment
  RSA77086  Thamnosma montana F. W. Peirson 1918-03 2032 Riverside Whitewater at head of Coachella Valley. Comment
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Jan 14 2010
  RSA777174  Thamnosma montana Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 816 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' 396 Comment
  UCSB37943  Thamnosma montana Carlson, B. 1978-3-18 Riverside West of Desert Hot Springs, west of Hwy 62, and approx. 100m north of Dillon Rd Comment
  CAS-BOT-BC66529  Thysanocarpus curvipes John H. Thomas 1977-3-23 18476 Riverside Joshua Tree National Monument. Squaw Tank, about 15 miles southward from Twenty Nine Palms. Comment
  RSA0123119  Thysanocarpus curvipes Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9029 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in Agua Alta Canyon, approximately 3.5 air miles southeast of the summit of Martinez Mountain. 639 Comment
  RSA0039820  Thysanocarpus laciniatus Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4034 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  JEPS54337  Tidestromia oblongifolia S. B. Parish 1912-10-1 Riverside Salton Basin Comment
  RSA696439  Tidestromia oblongifolia J. R. Bruff 1927-10-8 s.n. Riverside Thousand Palms. Comment
  UCR145563  Tidestromia oblongifolia L. McHargue 1966-11-18 s.n. Riverside Sonoran (Colorado) Desert, 0.5 mi, ex Otto Moore Ranch, 1000 Palms 15' Q. 67 Comment
  UC667378  Tiquilia canescens var. canescens Annie M. Alexander and Louise Kellogg 1941-5-9 2140 Riverside Cottonwood Spring Eagle Mts., Cottonwood Spring 883 Comment
  RSA33612  Tiquilia plicata N. C. Cooper 1944-7-15 1575 Riverside Palm Springs. 122 Comment
  RSA800115  Tiquilia plicata Duncan S. Bell 2013-4-7 4758 Riverside Arica Mountains, east side of range; west side of Rice Valley approximately 4 air miles south of the ghost town of Rice. 207 Comment
  UCR18391  Trianthema portulacastrum A. C. Sanders 1979-8-18 637 Riverside Western Colorado Desert, Coachella Valley, abandoned field 3 mi. SE of Thousand Palms 61 Comment
  RSA557367  Trichocoronis wrightii var. wrightii Julie Greene, Scott White 1993-7-5 1408 a Riverside San Jacinto Wildlife Area: From the edge of drying flood areaPerris 7.5 USGS Quad , R2W T4S NE 1/4 of the SW 1/4 of section 6. 433 Comment
  UCSB9798  Trichoptilium incisum Beeks, Richard 1952-4-4 Riverside Seven miles north of Mecca in Box Canyon Comment
  RSA0018996  Trichostema austromontanum subsp. compactum Steve Boyd, Gary D. Wallace 2005-7-30 11636 Riverside San Jacinto Mountains State Park, Hidden Lake area, northeast of Hidden Divide, southeast of Long Valley, near head of Hidden Fork of Tahquitz Creek 2659 Comment
  SDSU13655  Trichostema lanceolatum W. Miller, C. Mosse 1972-7-20 Riverside Comment
  CAS-BOT-BC214360  Trichostema parishii Mrs. A. R. Seitz 1915-7-16 s.n. Riverside Banning Canyon Comment
  CAS-BOT-BC214365  Trichostema parishii C. B. Wolf 1931-5-11 1945 Riverside Near Pipe Creek, above Hemet Valley, San Jacinto Mts. 1676 Comment
  SEINET238182  Trichostema parishii George K. Helmkamp 1998-6-27 4084 Riverside Santa Rosa Mtns.: 3.3 mi S of Hwy 74 along Santa Rosa Mtn Rd. in vicinity of an unnamed spring. 1585 Comment
  VVC298  Trichostema parishii A. C. Sanders, J. Mac 1997-5-4 20677 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
  RSA0041944  Tridens muticus Duncan S. Bell, Loraine Washburn 2014-4-10 6591 Riverside Orocopia Mountains; northeastern section of range; approx. 3.5 air miles south of Hayfields Lake. 538 Comment
  CSUSB1229  Trifolium ciliolatum Emily E. McGregor 1972-4-30 Riverside 5.5 miles west Tenaja Station, Tenaja Road. (6S08). Comment
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Jun 15 2013
  RSA559954  Trifolium ciliolatum Steve D. Boyd, Orlando Mistretta 1992-4-23 7065 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Along San Mateo Creek from Riverside County line, following San Mateo Trail upstream to the confluence with Bluewater Canyon. 244 Comment
  UCR172205  Trifolium ciliolatum John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, French Valley: Leon Road (San Diego Aqueduct right of way) from Borel Road/Tucalota Creek S for c. 0.25 mi 427 Comment
  UCR228817  Trifolium depauperatum A. C. Sanders, T. B. Salvato 2011-4-1 38938 Riverside Peninsular Range, Lake Elsinore area, near Alberhill, Baker St., SW side at dirt road crossing, c. 270 ft. SE of intersection with Pierce St. 385 Comment
  UCR90829  Trifolium fragiferum A. C. Sanders, G. K. Helmkamp 1996-3-17 17977 Riverside Coachella Valley, North Palm Springs (Garnet) I-10 at Indian Ave., north of Garnet Ave. 244 Comment
  RSA180412  Trifolium microcephalum E. W. Lathrop 1946-5-9 5743 Riverside 6 miles W. of Murrieta Comment
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Mar 23 2014
  UC64629  Trifolium variegatum H. M. Hall July, 1901 2035 Riverside s side San Jacinto Mtns Comment
  UCR193521  Trifolium variegatum A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35562 Riverside Peninsular Range; San Jacinto Mtns., May Valley c. 1.25 mi SW of Fleming Ranch, nameless tributary NW of Herkey Crk., north of Bonita Vista Rd. and NE of May Valley Rd. 1555 Comment
  UCR25915  Trifolium variegatum John C. Roos 1952-5-26 5714 Riverside Haas Ranch, Reche Canyon 457 Comment
  CHSC110022  Trixis californica Steve Boyd; Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10486 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
  POM6729  Trixis californica P. A. Munz 1919-3-25 2303 Riverside Palm Canyon 213 Comment
  SEINET10759428  Trixis californica Leila M. Shultz, John S. Shultz 1985-4-18 Shultz 8350 Riverside Southeast benches of the Chuckawalla Mountains at Alligator Rock. 341 Comment
  UCR116770  Tropidocarpum gracile A. C. Sanders, Mitch Provance, T. B. Salvato, C. L. Sanders 2001-4-3 23897 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
  UCR50549  Turbina corymbosa J. E. Eckenwalder 1987-6-22 s.n. Riverside Cultivated in glasshouses of the Department of Botany and Plant Sciences, University of California, Riverside Comment
  RSA0117144  Typha Mitchell Provance 2012-9-5 912 -14 Riverside Beaumont Plateau: City of Beaumont, lower reaches of Potrero Creek, adjacent to Four Seasons Development, west side of Highland Springs Ave., 1.1 miles south of the I-10 freeway. 762 Comment
  UCR90615  Typha latifolia Scott D. White 1995-6-29 3405 Riverside Santa Ana Mountains, Cole Creek, NW of Murrieta, just upstream from Murrieta Creek confluence 366 Comment
  UCR114538  Urtica dioica A. C. Sanders, K. C. Rose 1999-6-18 22806 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave. near Rawson Rd. 451 Comment
  RSA652057  Urtica dioica subsp. holosericea T. C. Thomas 1974-7-5 s.n. Riverside 1200' 366 Comment
  UCR19336  Verbena tenuisecta Larry Bednar 1977-3-30 s.n. Riverside Along E Cadena Drive near Columbia Avenue in Riverside 268 Comment
  UCR174145  Veronica anagallis-aquatica A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32581 Riverside Hills between Murrieta and Menifee Valley, west of I-215, south of Bundy Cyn./Scott Rd. and north of Clinton Keith Rd. 579 Comment
  UCR156465  Veronica peregrina T. B. Salvato, A. C. Sanders 2005-5-17 891 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
  SD136837  Vicia sativa subsp. nigra Steve Boyd, Tim Ross 1992-5-5 7261 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area, Oak Flats along Serrano Spring drainage between Lucas Canyon Trail & junction of Bluewater & Verdugo Trails, grassy openings 730 Comment
  RSA800186  Vicia villosa subsp. varia Robert F. Thorne, Walter Wisura, D. C. Michener 1982-5-24 55193 Riverside Santa Ana Mountains, Cleveland National Forest: Along Ortega Highway. 793 Comment
  RSA0094191  Viguiera parishii Duncan S. Bell, Evan Meyer 2014-10-29 7683 Riverside Santa Rosa Mountains; collecting in Agua Alta Canyon, to the north of Martinez Canyon, about 6 air miles southeast of the summit of Martinez Mountain. 394 Comment
  SEINET7048055  Viguiera parishii Steven R. Hill 2001-4-29 33532 Riverside Whitewater Canyon, east side of canyon, east of Whitewater Canyon Road, about 2 miles north of Route I-10. Elevation about 1800 feet. Comment
  LA209894  Vitis girdiana Louis C. Wheeler; 1933-12-2 2302 Riverside San Jacinto Mountains, Tahquitz Canyon 243 Comment
  RSA0121754  Vitis girdiana Steve D. Boyd 1991-3-17 5492 Riverside Jurupa Hills, N of Glen Avon. Cove on S flank, just W of Soto St. from white limestone outcrops to summit E of Pyrite Canyon. Comment
  SBBG50809  Vitis girdiana R. S. Woglum, McGregor 1934-3-18 646 Riverside Snow Crk, E of Palm Springs Comment
  UCD54923  Vitis girdiana Andy Walker; Eric Wada 2006-5-15 SC 31 Riverside Along I15 just S of Temecula in large turnout near San Diego County line. Small population of male vines. 360 Comment
  POM211576  Vulpia bromoides P. A. Munz 1941-5-18 16653 Riverside North end of Santa Rosa Ranch, Elsinore Mountains 915 Comment
  RSA550916  Vulpia bromoides R. F. Thorne, M. Z. Thorne, Walter Wisura 1978-5-21 51998 Riverside Santa Rosa Plateau: Mesa de Colorado 610 Comment
  CAS-BOT-BC183743  Vulpia microstachys var. confusa Peter H. Raven 1959-5-18 14238 Riverside Lake Fulmor, San Jacinto Mountains Comment
  HSC93132  Vulpia myuros Karen Kirtland 1993-4-17 Riverside N of Temecula Comment
  SEINET7292832 Image available Vulpia myuros f. megalura Victor Duran 1932-1 3219 Riverside Idyllwild; San Jacinto Mountain Comment
  SD30946  Vulpia myuros var. hirsuta Philip A. Munz 1937-3-27 14935 Riverside Dry flats near Lake Elsinore, in Elsinore 305 Comment
  SD144120  Vulpia octoflora A. C/. Sanders, P. MacKay, T. Thomas, G. Helmkamp 1997-2-8 19681 Riverside Palm Springs area, Tahquitz Debris Basin at mouth of Tahquitz Canyon 182 Comment
  UC473988  Vulpia octoflora var. hirtella H. S. Yates 1937-3-24 6451 Riverside Mouth of Deep Canyon; Thermal Quad. 304 Comment
  RSA586102  Vulpia octoflora var. octoflora D. L. Banks, Steve Boyd 1995-4-5 142 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, W of the Dripping Springs Trail. 646 Comment
  CAS-BOT-BC77881  Woodwardia fimbriata Steve Boyd; Tim Ross; Laurel Arnseth; Jaime Bonilla 1990-4-2 4001 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Sta. 609 Comment
  SD222113  Woodwardia fimbriata Steve Boyd, Tim Ross, Orlando Mistretta 1992-2-2 6631 Riverside Santa Ana Mtns, San Mateo Canyon Wilderness of the Cleveland National Forest. Upper San Mateo Cyn between confluence of Tenaja Cyn and Los Alamos Cyn. Comment
  UCR78497  Woodwardia fimbriata Dave Goodward 1993-12-13 s.n. Riverside Box Springs Mountains, canyon south of Pigeon Pass Rd, just before it begins climbing, c. 150 m south of the dump. 427 Comment
  UCSC001094  Woodwardia fimbriata Peter Kamb 1946-2-3 281 Riverside along stream banks - San Jacinto Mts. Hall Canyon 1646 Comment
  UCR127559  Xanthium spinosum A. C. Sanders, T. B. Salvato 2003-5-21 26781 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
  RSA557360  Xanthium strumarium Julie Greene 1993-6-11 1350 Riverside [No locality information provided] 440 Comment
  CHSC610  Xylococcus bicolor V. Holt 1935-4-15 Riverside San Jacinto mountains. Comment
  UC1532811  Xylococcus bicolor Robert F. Thorne, Earl Lathrop 1975-5-25 45565 Riverside Santa Rosa Plateau, Rancho Califronia, Mesa de Burro Mesa de Burro; Santa Rosa Plateau, Rancho Califronia, Mesa de Burro 609 Comment
  SBBG60623  Xylorhiza cognata L. Rowntree 1930-5-6 Riverside Hidden Springs Rd, near Shaver's Well Comment
  SD232212  Xylorhiza cognata Scott D. White, Michael Honer, Dylan Hannon 2003-7-3 9610 Riverside Colorado Desert: Western foothills of Mecca Hills, < 1 air mile east of the Coachella Canal and 4 air miles S of the I-10 Freeway. Unnamed wash draing to the west. 46 Comment
  CAS-BOT-BC326902  Xylorhiza orcuttii Marcus E. Jones 1906-4-10 s.n. Riverside Borrego Spring, west side of Colorado Desert 152 Comment
  OBI38349  Xylorhiza tortifolia var. tortifolia A. C. Sanders, Pitzer, Charlton & Kniffen 1986-3-3 6091 Riverside Corn Spring, Chuckwalla Mts 488 Comment
  UCR152551  Youngia japonica D. L. Koutnik 1995-3-20 s.n. Riverside Riverside, garden weed at Canyon Crest Villas, near Canyon Crest Dr. and Central Ave. Comment
  UC2015545  Ziziphus obtusifolia A. C. Sanders with P. MacKay, M. Jacobsmyer, C. Sanders, et al. 1995-3-5 16001 Riverside Colorado Desert, Orocopia Mountains, Maniobra Valley, 1.6-3 mi S of Frontage road (old highway 60) along I-10, S to edge of BLM wilderness. Comment
  UCR139097  Ziziphus obtusifolia B. G. Pitzer 1989-4-16 1308 Riverside Sonoran (Colorado) Desert, Chocolate Mountains Aerial Gunnery Range, 4 km west of Tabaseca Tank, in impact area 620 Comment
  OBI75660  Ziziphus obtusifolia var. canescens Mark Elliott 1979-4-20 46 Riverside Joshua Tree Natl Monument Cottonwood Springs campground Comment
  UC70529  Ziziphus obtusifolia var. canescens E. E. Schellenger 1904-2-25 64 Riverside Colorado Desert, Chucawalla Bench Comment
  UCR281863  Ziziphus obtusifolia var. canescens A. C. Sanders, Jim Malusa 2017-9-19 43332 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, c. 1.35 km SW of Tabaseca Tank 634 Comment
  HSC18387  Ziziphus parryi C. L. Hitchcock 1966-3-16 24195 Riverside Along Palms to Pines Hwy., 10 mi. S of Palm Desert Comment
  RSA389952  Ziziphus parryi Martha Hilend 1928-3-10 s.n. Riverside Morongo Valley.between Colorado and Mojave Deserts Comment
  RSA705498  Ziziphus parryi J. Mark Porter, Sarah J. De Groot 2005-3-9 14259 Riverside Along Whitewater Canyon Road, ca. 3 mi N of the intersection with the frontage road of I 10, W of the road on a steep, rocky slope, W of the river. 575 Comment
  JOTR29310  Ziziphus parryi var. parryi La Doux, Tasha, Mike Bell 2006-5-17 1387 Riverside Joshua Tree National Park. East Deception Canyon Comment



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