Search Results — 2000 specimen records retrieved (1900 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/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC229334  Abronia villosa N. Aitkenhead 1977-2-1 2177 Riverside Dillon Rd. 3 mi. past junction w/ 1000 Palms Canyon Rd Comment
  CAS-BOT-BC229342  Abronia villosa Scott D. White 1996-4-14 3913 Riverside Perris Basin. E of Hemet: San Jacinto River Wash near Valle Vista, N of Hwy. 74, ca. 1.7 mi W of USFS Cranston Fire Station 550 Comment
  CAS-BOT-BC229347  Abronia villosa Ivan Johnston 1917-4-4 1111 Riverside Near Palm Springs Comment
  CSUSB1077  Abronia villosa Scott Fowler 1964-3-23 640323 2 Riverside Thousand Palms on Highway 60, 70, 99. 106 Comment
  SBBG69828  Abronia villosa M. N. Ackley 1929-5-19 687 Riverside Hemet 484 Comment
  RSA0048314  Abronia villosa Charles MacKechnie 1950-4-29 s.n. Riverside Cranston Ranger Station, San Bernardino National Forest. 609 Comment
  RSA667130  Abronia villosa var. aurita A. C. Sanders, T. B. Salvato 2001-5-16 24296 Riverside S of Hemet, 1/4 mi. S. of Gibbel Rd. about 1 mile E of State St., foothills forming east end of Diamond Valley, 1 mi. SSE of Hemet Bute, S of mouth of Avery Cyn. 518 Comment
  SEINET1906751  Abronia villosa var. aurita D. E. Bramlet, Fred M. Roberts, Michael C. Couffer 2004-1 3548 Riverside Perris-Aguanga Basin: South Bernasconi Hills. Adjacent to existing acess road. 244 m S of the Ramona Expressway and 2.2 km W of the San Jacinto River. 487 Comment
  CAS-BOT-BC489834  Abronia villosa var. villosa Naomi Fraga; Sarah J. De Groot; Lisa Rojas; Leland Lubinsky 2005-2-10 1420 Riverside Colorado Desert: Northeastern Colorado Desert region, along Palen Rd near Hwy 177 170 Comment
  LA212339  Abronia villosa var. villosa Lee Haines; 1955-5-22 s.n. Riverside Dead Indian Canyon 304 Comment
  POM294266  Acamptopappus sphaerocephalus var. sphaerocephalus Lyman Benson 1945-3-29 11644 Riverside 2 miles south of Whitewater. 366 Comment
  UCR16086  Acer macrophyllum J. Operskalski 1976-4-15 s.n. Riverside San Jacinto Mtns./Sonoran (Colorado) Desert, lower spring, Tahquitz Canyon Comment
Read comments
Sep 17 2012
  SEINET7300421 Image available Achnatherum coronatum R. W. Pohl 1963-5-29 9429 Riverside S fork of San Jacinto River and N fork of San Jacinto River, Hy 74 Comment
  SEINET260232 Image available Achnatherum parishii subsp. parishii M. Curto, LS Allen 1990-6-18 663 Riverside Santa Rosa Mt NW slope Santa Rosa Mt Rd (SBNF 7S02) ca 5 km W of Santa Rosa Springs Campground 1830 Comment
  SBBG34963  Achnatherum speciosum T. L. Secrest 1951-5-18 Riverside San Jacinto River bed near Hemet Comment
  CLARK-A1528-914  Achyronychia cooperi Charlotte Stocks 1963-3-31 Riverside Coachella Comment
  PASA1307  Achyronychia cooperi 1926-2-21 Riverside Thousand Palms Comment
  SBBG71599  Achyronychia cooperi M. N. Ackley 1928-3-25 81 Riverside Palm Springs to Indio 60 Comment
  SFV4435  Achyronychia cooperi D. S. Verity, J. Turner, F. M. Ball 1964-2-15 s. n. Riverside East side of Salton Sea near Mecca Beach. About 6.5 miles north of Imperial County line. Comment
  UCR244307  Achyronychia cooperi Jim Andre 2012-4-15 20853 Riverside Sonoran (Colorado) Desert, west end of Hayfield Dry Lake, 0.3 mi. N. of I-10, 0.4 mi. NE of Jct Hayfield Rd and I-10 395 Comment
  SD224960  Acmispon argophyllus G. K. Helmkamp 1998-4-3 3092 Riverside Coachella Valley: Mission Creek, the Wildlands Conservancy Preserve, 1.1 mi. NW of the ranch house beside a gauging station along the creek. 747 Comment
  SDSU13491  Acmispon argophyllus var. argophyllus Ryan Jacobson, Jeremy Mass 2000-10-24 Riverside Jeep trail along Stone Creek, Santa Margarita Ecological Reserve. 177 Comment
  SDSU12867  Acmispon glaber var. brevialatus J. Jill Steinberg with Janet Knotts and Kevin Contreras 1998-3-25 20 Riverside Close to river ford in Santa Margarita Gorge directly south of Santa Margarita (SDSU) Field Station trailer. 238 Comment
  SBBG3411  Acmispon heermannii var. heermannii H. and M. Dearing 1942-3-17 4833 Riverside Dos Palmas Cyn, near Palms to Pines Hwy Comment
  SD185216  Acmispon procumbens A. C. Sanders, K. C. Rose, D. Woodard 1995-3-22 16218 Riverside San Gorgonio Pass, on and near a rocky spur at the north foot of the mountains, southwest of Verbenia Ave., west of Snow Creek, east of Cabazon. 399 Comment
  SD146270  Acmispon strigosus A. C. Sanders 1998-3-17 21743 Riverside Shipley/Skinner Reserve Area, North Domenigoni Hills, south of Hemet; Winchester 7.5' quad. 342 Comment
  SEINET5327576  Acmispon strigosus E. Neese 1979-4-10 7079 Riverside Ca 125 mi w of Blythe, desert along Interstate 10. 244 Comment
  JEPS20772  Adenophyllum porophylloides Roxana S. Ferris and Rimo Bacigalupi Mar 19 1958-Mar 25 1958 13234 Riverside gully ca 1/2 mi s, near Midland, along Rice to Blythe road Styx Comment
  SD229251  Adenostoma fasciculatum Dick Schwenkmeyer 2012-8-6 764 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
  UCD112621  Adenostoma fasciculatum Geoffrey Levin 1975-5-9 497 Riverside Dripping Springs Forest Service Station, Cleveland National Forest. 487 Comment
  UCR174035  Adenostoma fasciculatum A. C. Sanders 2006-5-19 32432 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-BC139862  Adenostoma sparsifolium Cecil Hart 1922-5-21 12 Riverside San Jacinto Pk. Comment
  CAS-BOT-BC139867  Adenostoma sparsifolium F. Grinnell Jr. 1908-7-25 s.n. Riverside San Jacinto R. 762 Comment
  CLARK-A1528-4007  Adenostoma sparsifolium John C. Roos 1937-8-17 2405 Riverside San Jacinto Mountains 1066 Comment
  SBBG27795  Adenostoma sparsifolium D. Myrick 1964-4-29 810 Riverside Pines to Palms Hwy 74, 15 mi E of Hemet 1219 Comment
  UCR35154  Adenostoma sparsifolium L. B. Ziegler 1964-8-24 38 Riverside San Jacinto Mtns., Garner [Hemet] Valley 1402 Comment
  RSA687684  Adiantum capillus-veneris Marjorie D. Clary 1932-6-5 1954 Riverside Eagle Canyon, W side Colo. D. 457 Comment
  UCR26953  Adiantum jordanii E. W. Lathrop 1966-5-8 6497 Riverside Peninsular Range; Santa Ana Mountains, Cleveland National Forest, Hagador Canyon, Trabuco District, 3 miles SW of Corona 275 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
  UC718133  Agave deserti C. B. Wolf and P. C. Everett 1939-9-29 Riverside 2.7 mi below Dos Palmos Spring (on Palms to Pines road); San Jacinto Range, Deep Canyon 274 Comment
Read comments
Sep 24 2011
  SEINET5641186  Agave deserti var. deserti Wendy C. Hodgson, Andrew Salywon, Liz Slauson, Brandi Eide 2013-6-14 28527 Riverside Santa Rosa Mountains, off of highway 74 south of Palm Desert. 1234 Comment
  RSA559431  Agoseris grandiflora Bob Boyd 1992-5-5 7223 Riverside San Mateo Canyon wilderness Area. Oaks Flats area east of Verdugo Potrero. 732 Comment
  RSA741069  Agoseris heterophylla Scott D. White, Justin M. Wood 2008-6-5 12077 Riverside San Jacinto Mountains: Garner Valley: Hwy 74 at Thomas Mountain Rd. - SW corner of junction. 1326 Comment
  UC832673  Agoseris heterophylla var. heterophylla P. A. Munz and I. M. Johnston 1922-5-20 5479 Riverside Kenworthy; San Jacinto Mts. 1417 Comment
Read comments
Mar 25 2011
  RSA95111  Agoseris heterophylla var. heterophylla F. W. Peirson 1922-5-20 3045 Riverside Hemet Valley, San Jacinto Mountains. 1371 Comment
  POM259164  Agrostis exarata P. A. Munz 1938-8-14 153349 Riverside Virgin Spring, Santa Rosa Peak. 2287 Comment
  SBBG59468  Agrostis exarata R. Hoffmann 1929-9-7 Riverside Strawberry Valley 1645 Comment
  OBI32757  Agrostis pallens E. W. Lathrop 1965-5-23 5770 Riverside 9 mi W of Murrieta Comment
  SEINET1908637 Image available Agrostis pallens A. C. Sanders, Mitch Provance 2008-1 35792 Riverside Peninsular Range; San Jacinto Mtns.: Coldwater Creek along trails in vicinity of junction of South Ridge and Coldwater Trails, 1.25 mi. NE of Mountain Center, c. 3/4 mile NE of Keenwild Fire Station (Idyllwild 7.5' Q.) 1450 Comment
  UC1931215  Agrostis stolonifera Scott D. White, Justin Wood 2008-7-9 12405 Riverside SAN JACINTO MTS: Johnson Meadow Comment
  RSA450097  Alchemilla occidentalis J. C. Roos 1950-4-22 4751 Riverside On the hills N.E. of the summit of Reche Canyon. 823 Comment
  UCR171983  Alchemilla occidentalis John F. Green 2006-4-25 s.n. Riverside Peninsular Ranges, City of Temecula; Long Canyon, Southern California Edison right of way, intersection of Southern Cross Road and Agena Street W to Candida Drive 366 Comment
  UC862257  Alhagi maurorum W. T. Swingle and A. B. Stout 1922-11-15 Riverside Indio Coachella Valley (n of So. Pac. Ry.) Comment
  UCSB37488  Alhagi maurorum Clark, Dell 1969-7-2 Riverside 2 miles west of Mecca, Coachella Valley Comment
  CAS-BOT-BC434476  Allionia incarnata Lester Rowntree 1937-5-26 s.n. Riverside Box Canon [Canyon], Mecca Comment
  RSA777332  Allionia incarnata Thomas Stoughton, Christi Gabriel, Stephanie Rockwood, Jacqueline McConnaughy 2011-3-23 829 Riverside Chuckwalla Mountains, North side, Alligator ACEC off I-10, south of Desert Center, in hills above 'Granite Mine.' Old mine access road 534 Comment
  CAS-BOT-BC131980  Allium haematochiton Ynez Whilton Winblad 1937-4-19 s.n. Riverside Between Beaumont and Redlands Comment
  RSA0013615  Allium haematochiton LeRoy Gross, Duncan S. Bell 2013-4-30 6022 Riverside Surveyed from Apela Drive, right at junction of road to sewage disposal ponds, south to Strawberry Creek., Started near 33.73367N, 116.75074W. And ended at 33.72912N 116.75098W. 1510 Comment
  RSA675055  Allium haematochiton Scott D. White 2001-5-1 8438 Riverside Near Sun City: Quail Valley: Valleys and slopes east of Canyon Lake and west of Goetz Road. 442 Comment
  SEINET269551  Allium haematochiton Michael A. Patten 1992-4-29 Riverside Temecula area: Pala Road northwest side of bridge over Temecula Creek. Comment
  SD215328  Allium marvinii Steve Boyd, Tim Ross et al 1990-4-3 4063 Riverside Vail Lake area, summit of 'Big' Oak Mountain at East end. 792 Comment
  CAS-BOT-BC132015  Allium munzii Steve Boyd 1982-4-27 s.n. Riverside Gavilan Hills region, Temescal Canyon west of Horsethief Wash, south of Lee Lake on terrace escarpments just south of Di Palma Road 396 Comment
  UCR64626  Allium munzii B. C. Templeton, C. B. & I. W. Clokey 1930-4-15 1477 Riverside Gavilan Hills, near Gavilan Peak, west of Perris 400 Comment
  SEINET7882508 Image available Allium peninsulare Jean Coulson 1959-1 s.n. Riverside Box Spring Mts. Riverside County, California. 200 yds. beyond the fork in the radio tower road, on the road which goes to the 'C'. E. of road 100 ft. up small, dry stream bed. Comment
  RSA734227  Allium praecox Keith E. Hoffmaster 1934-4-8 144 Riverside Santa Ana Mts. 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
  UCSB38380  Allium praecox Minnich, John 1964-2-29 Riverside Sycamore Canyon, 1/4 mi. off Canyon Crest Drive about 1 mi. south of Pennsylvania Ave.; found about 1/2 mi. above mouth of canyon 365 Comment
  RSA507476  Allophyllum divaricatum Kathy Harper 1988-5-14 s.n. Riverside San Jacinto Mountains, along Hwy 243, 1-2 mi. below Mt. Edna turnoff. Comment
  RSA775232  Allophyllum gilioides Duncan S. Bell, J. D. England 2010-5-27 1134 Riverside San Bernardino National Forest: Garner Valley, approximately 1 air mile southeast of junction of forest service road 6S04 and forest service road 6S13. 1354 Comment
  RSA653545  Allophyllum glutinosum Scott D. White 1999-5-24 7378 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
  RSA783224  Allophyllum glutinosum J. D. Olmsted 1959-4-30 501 Riverside Foot of Spring Trail at Beacon Pines Ranch SW of Corona; 20 yards east of spring, Santa Ana River drainage 716 Comment
  UC1199819  Alnus rhombifolia Herbert L. Mason 1928-3-10 4174 Riverside Snow Creek-White Water River Valley Colorado Desert Comment
  SD248310  Alternanthera caracasana Oscar Avila 2015-8-6 Riverside Riverside: Ryan Bonaminio Park, Tequesquite Arroyo below old Chinatown and just above confluence with Santa Ana River, along Tequesquite Avenue, south of Mt. Rubidoux (Riverside West 7.5'Q) 227 Comment
  UCR23200  Amaranthus albus S. Gallager 1981-6-1 26 Riverside Riverside, Intersection of Serpentine Rd. & Palmyrita Ave, SE corner, Box Springs Mtns area 306 Comment
  CDA3263  Amaranthus albus E. E. Hogan 1958-9-12 1227 -58 Riverside 0 Comment
  UCR272486  Amaranthus deflexus Mitch Provance 2013-6-16 613- 18 Riverside Santa Ana River Valley, City of Riverside, Arlanza neighborhood, Foothill Elementary School on Wells Avenue, about 0.4 mi W of Van Buren 226 Comment
  SFV17215  Ambrosia acanthicarpa J. W. Dole 1980-11-1 s. n. Riverside Snow Creek road, 1 mile from junction of Highway 111 and Interstate Highway 10. 360 Comment
  CDA9969  Ambrosia confertiflora G. C. Fleischman 1945-10-21 Riverside Highway, Beaumont / Sunnymead. 0 Comment
  LA202893  Ambrosia dumosa Harlan Lewis; 1939-4-9 sn Riverside Indio Comment
  RSA796018  Ambrosia dumosa Duncan S. Bell 2009-4-18 245 Riverside Arica Mountains; northeast of range, approximately 2.25 air miles southwest of the ghost town of Rice. 224 Comment
  SBBG92823  Ambrosia dumosa D. Charlton 1988-2-18 1122 Riverside Fargo Cyn Rd to Cottonwood Wash, parallel to Interstate 10, ca. 1 mi E of jct of Dillon Rd and Fargo Cyn Rd 609 Comment
  SD218270  Ambrosia dumosa Carol R. Annable 1995-3-10 2261 Riverside 1.6 km south of Lake Cahuilla County Park. Comment
  UCR148486  Ambrosia dumosa John F. Green 2005-1-14 s.n. Riverside Sonoran (Colorado) Desert, Salton Basin, Coachella Canal right-of-way, between siphons 23 and 24 (near 23), just north of Salt Creek crossing 23 Comment
  RSA775105  Ambrosia ilicifolia Duncan S. Bell, Michael Hee 2011-3-18 2048 Riverside Chuckwalla Mountains; north side of mountain range approximately 3 air miles southeast of Desert Center. 392 Comment
  UC1605396  Ambrosia psilostachya Steve Boyd 1994-10-14 8392 Riverside San Mateo Canyon at confluence with Bluewater Canyon; Southern Santa Ana Mountains, Cleveland N.F. 329 Comment
  UC468989  Ambrosia psilostachya R. L. Pendleton 1905-9-28 254 Riverside bottom Santa Ana River 243 Comment
  UCR174450  Ambrosia pumila A. C. Sanders, John F. Green 2006-5-18 32375 Riverside Temecula/Murrieta Region, SE of Murrieta Hot Springs along San Diego Aqueduct and powerline route, south of intersection of Chandler and Suzi Rds. and south of Murrieta Hot Springs Rd., side canyon dropping toward Santa Gertrudis Creek, 1 mile SW of Skunk Hollow 366 Comment
  CAS-BOT-BC273004  Ambrosia salsola M. McCollum 1976-6-10 2014 Riverside 8 mi SSW of Yucca Valley Comment
  LA28881  Ambrosia salsola P. J. Remple; 1942-3-1 ** Riverside near Palm Springs Comment
  OBI16020  Ambrosia salsola Lewis S. Rose 1962-3-2 62013 Riverside La Quinta 3 Comment
  OBI16027  Ambrosia salsola P. A. Holden 1969-3-29 675 Riverside Just west of Hwy 62 at foot of Morongo Grade 8 mi W of Desert Hot Springs Comment
  UC897994  Ambrosia salsola var. salsola Lewis S. Rose 1936-12-19 36792 Riverside Palm Canyon Wash 121 Comment
  UC489216  Amorpha fruticosa C. V. Meyer 1928-8-2 628 Riverside Idyllwild Grade San Jacinto River (foot) Comment
  UCR35040  Amorpha fruticosa var. occidentalis L. B. Ziegler 1968-7-3 325 Riverside San Jacinto Mtns, Hemet Valley. Dry stream beds near Kenworthy 1418 Comment
  UCR213300  Amsinckia intermedia A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37705 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on north side of I-15, near Temescal Canyon Rd. undercrossing, at north edge of Concordia Ranch Rd. 378 Comment
  UCR239788  Amsinckia intermedia O. F. Clarke 2004-3-12 s.n. Riverside Peninsular Range, Riverside; hills above UCR Botanical Garden 436 Comment
  CSUSB1577  Amsinckia menziesii R. Pirot 1975-5-10 S. N. Riverside Juniper Flats road and Highway 74, Homeland 542 Comment
  UCR140691  Amsinckia menziesii A. C. Sanders 2004-5-12 27859 Riverside Elsinore Basin Region, Alberhill Mountain, northwest foot near Lake St. at Alberhill 378 Comment
  UCR116470  Amsinckia menziesii var. menziesii A. C. Sanders, T. B. Salvato 2001-3-30 23864 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
  SD244092  Amsinckia retrorsa A. C. Sanders, Timothy W. Chumley 2013-3-28 40708 Riverside Peninsular Range: Alberhill, along Lake Street, 1.45 km south of I-15 near old clay mines (Alberhill 7.5'Q) 395 Comment
  UCR174237  Amsinckia retrorsa A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-28 32664 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
  POM368407  Amsinckia tessellata Severance 1926-2-20 s.n. Riverside Andreas Canyon. Comment
Read comments
May 14 2013
  JOTR30962  Amsinckia tessellata var. tessellata La Doux, Tasha, B. Truesdell, M. Wheeler, M. Harding, E. Babich 2010-4-20 1937 Riverside Joshua Tree National Park. (Stop 1) Pleasant Valley at base of Hexie Mountains, near Blue Cut Gorge Comment
  UCR114829  Anagallis arvensis Mitch Provance 1998-7-23 923 A Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 305 Comment
  SD137914  Ancistrocarphus filagineus Darin L. Banks, Steve Boyd 1995-5-9 329 Riverside Northwest Palomar Mountains, north of Agua Tibia Wilderness Area; north slope of Agu Tibia Mountain, the Dorland Mountain area. 730 Comment
  UCR281211  Ancistrocarphus filagineus Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-4-18 417- 40 Riverside Perris-Aguanga Basin, Menifee, S side of Bundy Canyon Rd., E side of Loerch Ln., 0.2 miles W of Murrieta Rd. 518 Comment
  RSA593798  Androsace elongata subsp. acuta Jeri Hirshberg 1995-5-19 273 A Riverside San Jacinto Mountains, Garner Valley. Comment
  RSA781620  Androstephium breviflorum Duncan S. Bell 2009-3-8 88 Riverside Arica Mountains: west side of mountain range in main western drainage approximately 2.5 air miles west of Priest Well or approximately 7 air miles southwest of the ghost town of Rice. 420 Comment
  SD187476  Anemopsis californica Scott D. White 2004-5-7 10341 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent foothills 548 Comment
  UCR35266  Anemopsis californica L. B. Ziegler 1969-7-4 385 Riverside San Jacinto Mtns., Hemet Valley. Near Hemet Lake 1341 Comment
  UCR25054  Angelica tomentosa A. C. Sanders 1980-7-22 01746 Riverside Peninsular Range; San Jacinto Mtns., Forest Service Road 5S09, l mi. (airline) west of Pine Cove 1677 Comment
  CAS-BOT-BC79931  Antennaria microphylla H. M. Hall 1901-7-1 2401 Riverside Tamarack Valley 2834 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
  UCSB37910  Antirrhinum coulterianum Hood, Mary 1944-4-4 Riverside Cottonwood Creek; near Aguanga 609 Comment
  UCR232353  Antirrhinum nuttallianum John F. Green 2008-4-15 0408- 21 Riverside Peninsular Range; Perris-Aguanga Valley, Moreno Valley/Mead Valley area, square parcel 0.8 km on a side, between Nandina Ave. and Oleander Ave., east of Day St. 523 Comment
  UCR44233  Antirrhinum nuttallianum J. M. Stewart 1986-5-18 8620 Riverside San Jacinto Mtns, Chino Canyon, near Palm Springs Comment
  UCR121170  Antirrhinum nuttallianum subsp. subsessile D. E. Bramlet 1989-5-20 1876 Riverside Bachelor Mtn., S-facing slope of mountain, 1,500 ft. (0.28 mi.) north of Lake Skinner and 3,000 ft. (~0.5 mi.) E [NE] of the Dam. 537 Comment
  RSA615134  Aphanes occidentalis A. C. Sanders, G. Helmkamp 1997-3-15 19956 Riverside Lake Skinner area: NE of Skinner Lake in a tributary to Rawson Canyon, along the dirt road. 503 Comment
  OBI37485  Apium graveolens Steve Boyd 1985-7-23 1011 Riverside De Luz Rd, 7 mi W of Rancho Calif 366 Comment
  PASA2387  Aquilegia truncata Sally Ellis 1939-6-21 Riverside Halona, Idyllwild Comment
  RSA66799  Arabis glaucovalvula F. W. Peirson 1941-4-10 13078 Riverside White Tank Region at summit of grade S of 29 Palms. Comment
  RSA0126304  Arabis hirsuta var. glabrata Orlando Mistretta 2009-7-10 3997 Riverside Santa Ana River Canyon. Vicinity of Camp Round Meadow; 0.40 miles SE of junction of highway 38 and Jenks Lake Rd. 2027 Comment
  SEINET2117591  Arceuthobium cyanocarpum R. L. Mathiasen, C M. Daugherty 2009-8-5 09 -28 Riverside North slope of Tahquitz Peak. 0.4 km west of the jct. of the Tahquitz Peak Trail and the Tahquitz Valley Trail above the trail to Tahquitz Peak. First collection of limber pine dwarf mistletoe on sugar pine 2640 Comment
  RSA629173  Arctostaphylos Jon E. Keeley 1992-7-17 16792 Riverside Road to Thomas Mountain (5S15), 5.2 km north of Toolbox Spring. 1840 Comment
  UC1121515  Arctostaphylos R. St. John 1929-5-2 23 Riverside Toro Peak Indio Quadrangle, Santa Rosa Mountains 1676 Comment
  RSA629371  Arctostaphylos glandulosa Jon E. Keeley 1992-7-17 16858 Riverside Hwy 243, 39-40 km north of Idyllwild. 1375 Comment
  RSA629380  Arctostaphylos glandulosa Jon E. Keeley 1992-4-17 15086 Riverside End of Woodchuck Road, Woodchuck Resort. 2 km south of Highway 79. 670 Comment
  RSA629402  Arctostaphylos glandulosa Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19521 Riverside Southwest of Wildomar, off Hacienda Rd., north of Avenida La Cresta, west of Clinton-Keith Rd., southern Santa Ana Mtns. 820 Comment
  RSA629472  Arctostaphylos glandulosa Jon E. Keeley 1992-6-16 16830 Riverside Idyllwild, Saunders Meadow Road, east of Highway 243. 1610 Comment
  RSA552735  Arctostaphylos glandulosa subsp. glandulosa Steve Boyd, T. S. Ross, Orlando Mistretta 1992-3-31 6756 Riverside San Mateo Cyn. Wilderness Area. Tenaja Trail from jtn w/ Morgan Tr. S to Pigeon Spring area. 670 Comment
  UC1120227  Arctostaphylos glandulosa subsp. zacaensis A. Lewis 1933-2-2 149 Riverside Reed Valley San Jacinto Quadrangle Comment
  RSA59195  Arctostaphylos glandulosa var. adamsii Frank W. Gould 1943-4-18 2134 Riverside 8 miles east [NW] of Idyllwild Comment
Read comments
Sep 29 2011
  RSA632224  Arctostaphylos glauca Jon E. Keeley 1974-6-6 4093 A Riverside Past Agunga [Aguanga?] across from ranch with blue fish sign. 60 Comment
  RSA721870  Arctostaphylos glauca Michael Wall 2007-2-16 427 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
  UC535008  Arctostaphylos glauca C. B. Wolf 1932-5-25 3695 Riverside 1/2 mi sw summit of Moreno Grade (sw of Beaumont); Bad Lands 609 Comment
  RSA633536  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16696 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633611  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-11-11 22510 Riverside Steep southeast facing slopes of Andreas Canyon, south of Caramba Overlook, San Jacinto Mountains. 2050 Comment
  RSA633623  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-16 16697 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA633682  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-9-27 21757 Riverside Dirt road to Santa Rosa Mountain, 8.6 km southeast of Highway 74, northwest side of Santa Rosa Mountains. 1940 Comment
  RSA633756  Arctostaphylos parryana subsp. desertica Jon E. Keeley 1992-7-17 16709 Riverside Road to Santa Rosa Mountain (7S02), 12.3 km south of Highway 74. 2190 Comment
  RSA635307  Arctostaphylos patula Jon E. Keeley, Rx Rothrock 1992-11-11 22537 Riverside Saddle Junction, ca. 2 km northeast of Humber Park, Idyllwild, San Jacinto Mtns. 2400 Comment
  CAS-BOT-BC44333  Arctostaphylos pringlei subsp. drupacea H. M. Hall 1901-6-1 2092 Riverside San Jacinto Mts. 1524 Comment
  CAS-BOT-BC44357  Arctostaphylos pringlei subsp. drupacea Peter H. Raven 1959-5-18 14243 Riverside Lake Fulmor, San Jacinto Mountains Comment
  RSA701750  Arctostaphylos pringlei subsp. drupacea Steve Boyd, Valerie Soza 2004-6-22 11552 Riverside Western flank of the range, vicinity of Alvin Meadows and Chimney Flats, west of Idyllwild along forest service road 5N13 near 5N06. 1463 Comment
  RSA635801  Arctostaphylos pungens Jon E. Keeley 1992-7-16 16519 Riverside Red Mountain Road, 1.8 km east of R3. 850 Comment
  RSA636005  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19552 Riverside Carancho Rd., W. of Temecula. 440 Comment
  RSA636171  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19482 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
  RSA636180  Arctostaphylos rainbowensis Allen Massihi, Robert Goar, Jon E. Keeley 1992-8-11 19545 Riverside W of Temecula, N-facing slopes off Carancho Rd., 6 km NW of De Luz, eastern Santa Margarita Mtns. 440 Comment
  UC1361894  Arenaria macradenia var. macradenia Reid Moran 1968-8-3 15366 Riverside Santa Rosa Mtn. Santa Rosa Mtn. (1 mile w of summit) 2150 Comment
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Jan 2 2010
  CHSC1182  Argemone munita 1935-4-16 Riverside E. slope of San Jacinto mountain. Comment
  SD236347  Argemone munita Jeffrey Ross, Sam Lau, Jenny Phui 1998-5-30 100 Riverside San Gorgonio Pass: Morongo Indian Reservation; Road between Millard and Lion Canyon, below deep canyon. 619 Comment
  UCR120662  Argemone munita D. E. Bramlet, P. Jacks, S. Goode 1989-4-6 1803 Riverside Perris-Aguanga Basin, Lake Skinner, north of the lake on the S-facing slope of Bachelor Mountain 488 Comment
  POM259947  Argemone munita subsp. argentea P. A. Munz 1940-3-23 15675 Riverside South base of Pinto Mountains, road Dale to Cottonwood Springs 610 Comment
  SEINET4085707  Argemone munita subsp. munita O. M. Clark 1932-1 5108 Riverside South Hemet. Comment
  RSA0122711  Argyrochosma jonesii Duncan S. Bell, LeRoy Gross 2016-3-30 9149 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
  RSA686636  Argyrochosma jonesii Anstruther Davidson 1893-4-10 114 Riverside Palm Springs. Comment
  CAS-BOT-BC202502  Argythamnia serrata F. W. Peirson 1922-12-28 4437 Riverside Andreas Canyon, Colorado Desert 243 Comment
  CLARK-A1656-851  Aristida adscensionis Jon Mark Stewart 1983-11-7 83-57 Riverside Indio Hills 121 Comment
  JOTR30678  Aristida adscensionis La Doux, Tasha, Jim Andre 2008-9-13 273 Riverside Joshua Tree National Park. At the base of NW end of Belle Mountain at Pinto Wye Maintenance service area 1103 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
  UCR30059  Aristida adscensionis George K. Helmkamp 1983-4-5 483- 28 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, large wash below Chuckwalla Spring, 9 miles SW of Graham Pass Road 489 Comment
  CLARK-A1528-1263  Aristida californica John C. Roos 1946-9-14 3007 Riverside Dos Palmas Spring 1066 Comment
  VVC1929  Aristida californica var. californica Tim Thomas, PJ MacKay 2008-3-10 4292 Riverside Southern Mojave Desert, Pinto 'dunes' south of Pinto Mountain 530 Comment
  UCSB45613  Aristida purpurea John C. Roos 1966-4-26 Riverside collected in hills between March AFB and Lakeview March AFB and Lakeview Comment
  JOTR29572  Aristida purpurea var. fendleriana Andre, Jim 2006-4-6 6686 Riverside Joshua Tree National Park. Pinto basin, approx. 400 m S of Pinto Basin Rd (paved), 3 mi. SE of Twin Tanks 1023 Comment
  RSA0094182  Aristida purpurea var. nealleyi Jim M. Andre 2012-4-11 20698 Riverside Little San Bernardino Mountains; Hidden Tank Picnic Area, 1.4 mi. SW of paved road (Utah Trail) to Cottonwood Spr, approx. 8 mi. south of North Entrance Sta., N. end of Hexie Mtns. 1076 Comment
  UC815632  Aristida purpurea var. nealleyi Carl B. Wolf 1932-5-24 3640 Riverside 1/2 mi below Fish Hatchery (n base of mts.); San Jacinto Mts., Snow Creek Canyon 548 Comment
  RSA544392  Aristida purpurea var. parishii Steve Boyd 1991-5-30 6320 Riverside Winchester Valley, SE end of Double Butte, just N of Winchester, 1/2 mile W of Highway 79 457 Comment
  SEINET3919271  Aristida wrightii Sears 1977-10-13 S 607 Riverside Wiley's Well Campground (BLM).; 0 181 Comment
  UCR110452  Artemisia biennis D. E. Bramlet 1998-6-25 2640 Riverside Perris-Aguanga Basin region, North Domenigoni Hills. 1.83 km east of Warren Road and 1 km south of Harrison Avenue, 244m east of the access road to the EMWD storage tank 495 Comment
  CAS-BOT-BC90193  Artemisia californica Vernon O. Bailey 1907-10-24 s.n. Riverside Cabazon Comment
  RSA588813  Artemisia californica Darin L. Banks, Steve Boyd 1995-10-17 0766 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
  UCR277697  Artemisia douglasiana Mitch Provance 2012-7-15 612- 67 Riverside Beaumont Plateau, W end of Banning, 'Pershing Channel', N side W Ramsey St., W side of Omar St. 768 Comment
  RSA249447  Artemisia ludoviciana subsp. ludoviciana John F. Emmel 1973-4-7 425 Riverside Twin Pines Creek, at north base of San Jacinto Mts., ca. 1 1/2 air miles SW of Cabazon. 2073 Comment
  SEINET10547629  Asarina filipes David B. Dunn 1948-3-13 Dunn 3728 Riverside Vine found growing in wash. Indio hills, colorado desert. Near pushawalla. Comment
  CAS-BOT-BC222817  Asclepias albicans A. C. Sanders; E. J. Lawlor 1992-4-4 12156 Riverside Colorado Desert. McCoy Mountains, within 1/2 mile of McCoy Spring 243 Comment
  JOTR29449  Asclepias albicans La Doux, Tasha, Mike Bell 2006-3-8 1347 Riverside Joshua Tree National Park. Eagle Mountains, south of Hayfield Spring 548 Comment
  POM3649  Asclepias californica I. M. Johnston 1918-5-30 s.n. Riverside Temescal Canyon 365 Comment
  SBBG58650  Asclepias subulata R. H. Nordhoff 1940-11-10 608 Riverside near Thousand Palms Cyn Comment
  UCR135829  Aspidotis californica A. C. Sanders 2004-4-20 27554 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
  CLARK-A1528-1610  Aster hesperius John C. Roos 1951-9-25 5258 Riverside Fairmont Park 259 Comment
  UCR92306  Aster subulatus Scott D. White 1994-10-17 2484 Riverside Temecula Valley, Temecula, Murrieta Creek channel, 1000 ft. north of bridge at Rancho California Ave. 311 Comment
  CAS-BOT-BC295358  Astragalus N. Aitkenhead 1977-2-1 2154 Riverside ~1 mi. E. of junction of T/L & Dillon Rd. in No. Palm Springs Comment
  UCSB10440  Astragalus Robert M. Lloyd 1960-3-23 355 Riverside collected 1.0 mi from, along State Highway 111 SE of Palm Springs U S Highway 99 - , State Highway 111 and Palm Springs 396 Comment
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Nov 19 2014
  JOTR33932  Astragalus bernardinus La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2822 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  UCR213423  Astragalus didymocarpus A. C. Sanders 2010-3-15 37390 Riverside Sonoran (Colorado) Desert, pass between Chuckwalla Valley and Palo Verde Mesa, south of I-10 between the Mule and McCoy Mountains, c. 12 miles WSW (264 deg. ) of Blythe 152 Comment
  CAS-BOT-BC182328  Astragalus didymocarpus var. didymocarpus Marcus E. Jones 1903-5-11 s.n. Riverside Banning 701 Comment
  CAS-BOT-BC182633  Astragalus didymocarpus var. obispoensis Carl B. Wolf 1935-4-7 6301 Riverside Gavilan Hills Region. 1 mi. SW. of Perris 426 Comment
  CLARK-A1045-708  Astragalus douglasii George K. Helmkamp 1977-5-28 Riverside San Jacinto Mountains Lake Fulmor 7.5'Q Comment
  UCR195095  Astragalus douglasii A. C. Sanders, Tim Thomas 2008-8-1 35935 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1448 Comment
  CAS-BOT-BC178441  Astragalus douglasii var. parishii Marcus E. Jones 1926-6-20 s.n. Riverside 12 miles north of Idyllwild. Comment
  POM19604  Astragalus douglasii var. parishii Mary F. Spencer 1923-6-29 2194 Riverside Idyllwild 1646 Comment
  SD128289  Astragalus douglasii var. parishii R. Mitchel Beauchamp 1971-5-15 2419 Riverside Black Mountain Road, San Jacinto Mountains. 1615 Comment
  UC314567  Astragalus douglasii var. parishii Marcus E. Jones, A. M. 1926-6-20 Riverside 12 mi n Idyllwild; n of Idyllwild Comment
  UCR120796  Astragalus gambelianus Ian G. Gillespie 2000-4-26 27 Riverside Perris-Aguanga Basin, S side of Paloma Valley. Hilltop at S end of Lindenberger Road, SW of the intersection of Scott Road and Briggs Road 473 Comment
  POM13020  Astragalus lentiginosus var. coachellae P. A. Munz, D. D. Keck 1922-4-14 4963 Riverside Indian Wells 107 Comment
  SEINET3409357  Astragalus nuttallianus var. imperfectus G. Rink, M. Honer 2013-3-17 11858 Riverside About ten miles west of Blythe, on the site of the proposed Quartzite solar power plant 125 Comment
  CAS-BOT-BC192760  Astragalus palmeri Ynez Whilton Winblad 1937-4-23 s.n. Riverside Box Canyon Comment
  JOTR37474  Astragalus palmeri Hodges, Stephen, T. Green 2016-5-5 595 Riverside Joshua Tree National Park. Little San Bernardino Mountains; canyons below Upper Covington Flats, southwest of Covington Crest trail (Stop 2) Comment
  POM308355  Astragalus palmeri Henry J. Ramsey, Henry J. Ramsey 1938-4-22 3028 Riverside Santa Rosa Mountains. 1220 Comment
  RSA415401  Astragalus palmeri B. C. Templeton 1930-3-22 1637 Riverside Palm Springs. 400 Comment
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Jan 4 2012
  SBBG28436  Astragalus palmeri D. Myrick 1964-4-30 821 Riverside Hwy 74, 15 mi W of Palm Desert 1219 Comment
  SEINET2060247 Image available Astragalus palmeri P. J. Leary 1975-4-10 1048 Riverside Near Skull Rock, Joshua Tree National Monument 1341 Comment
  POM305801  Astragalus pomonensis Henry J. Ramsey, Henry J. Ramsey 1937-4-2 1058 Riverside Elsinore. Comment
  RSA645635  Astragalus pomonensis Scott D. White 1999-5-2 7284 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
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Sep 25 2007
  RSA748216  Astragalus pomonensis G. Gust, L. Nye 2005-3-10 532 Riverside City limits of Lake Elsinore on River bank just off of Auto Center Dr., N of junction with Diamond Dr. 400 Comment
  SEINET898385  Astragalus pomonensis Carl B. Wolf 1935-1 6298 Riverside Gavilan Hills region, 1 mi W of Val Verde 488 Comment
  UCR121084  Astragalus pomonensis A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24964 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR241788  Astragalus pomonensis A. C. Sanders, Dave King 2013-4-10 40787 Riverside Peninsular Range; Perris-Aguanga Basin, old quarry site north of Sun City, along SCE powerline route west of I-215, parallel to McLaughlin Rd., near intersection with Byers/Wheat Rd., SSE of Perris 446 Comment
  RSA752218  Astragalus tricarinatus Scott D. White, Justin M. Wood, Paul Kielhold 2009-4-21 12582 Riverside San Bernardino Mountains: Ridgeline E of Whitewater Canyon, +- 2 miles N of town of White Water (Interstate 10), near Super Creek Quarry 640 Comment
  RSA779954  Astragalus tricarinatus Duncan S. Bell, Jennifer Pilapil, Terry Higgins 2011-6-2 2628 Riverside In a side canyon off of the West Fork of Mission Creek approximately 0.5 air mile south of where the Pacific Crest Trail crosses the West Fork of Mission Creek. 944 Comment
  SD224954  Astragalus tricarinatus G. K. Helmkamp 1998-4-3 3087 Riverside Coachella Valley: Mission Creek, the Wildlands Conservancy Preserve, 1.1 mi. NW of the ranch house beside a gauging station along the creek. 747 Comment
  RSA586037  Athysanus pusillus D. L. Banks, S. D. Boyd 1995-3-16 89 Riverside Cleveland National Forest; Agua Tibia Wilderness Area; N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage. 506 Comment
  RSA699820  Athysanus pusillus Scott D. White, Michael Honer 2003-4-4 8929 Riverside Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  JOTR35078  Atrichoseris platyphylla La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3529 Riverside Joshua Tree National Park. Southern end of Coxcomb Mountains with exposed metasedimentary rocks; narrow drainages surrounded by loose rocky slopes Comment
  UCSB39114  Atriplex J. Jorgensen 1982-3-23 298 Riverside DESERT BEACH ALONG HWY 111 SALTON SEA -70 Comment
  POM187873  Atriplex argentea E. C. Jaeger 1932-8-31 s.n. Riverside Between Lakeview and San Jacinto Comment
  POM278724  Atriplex canescens Grant D. Brown 1950-12-2 593 Riverside Santa Ana River NW of Arlington 198 Comment
  POM278725  Atriplex canescens Grant D. Brown 1950-12-2 592 Riverside Mockingbird Canyon, about 4 miles up the canyon 412 Comment
  SEINET3930580  Atriplex canescens Grant D. Brown 1950-12-2 586 Riverside cajalco Reservoir, SE; Cajalco Canyon.; 0 442 Comment
  CAS-BOT-BC170200  Atriplex canescens subsp. canescens K. Larson 1976-9-30 60062 B Riverside So. of Big Maria Mountains N. of Blythe Comment
  RSA314407  Atriplex canescens subsp. canescens R. F. Thorne, Kay Wright, R. K. Benjamin 1982-10-8 s.n. Riverside Mouth of Whitewater Canyon near Whitewater Post Office in sandy wash between old and new highway bridges and along Whitewater River. 412 Comment
  SD80077  Atriplex canescens var. linearis Nancy Ryan Zabriskie, Walter Zabriskie 1970-10-31 325 Riverside Andreas Canyon Club property, Palm Canyon watershed. 170 Comment
  UCR66980  Atriplex coronata var. notatior D. E. Bramlet, A. Parikh 1990-6-14 2037 Riverside San Jacinto Valley, c. 6.5 km SW of Hemet, just west of Warren Ave, at Setson Ave. & MWD canal; in cow pasture c. 400 m north of Setson Ave. 457 Comment
  UCR172748  Atriplex davidsonii Robert Cox, Chris E. True 2005-6-2 s.n. Riverside Perris-Aguanga Basin, San Jacinto Valley; San Jacinto Wildlife Refuge, 1 mi east of the wildlife area headquarters, vicinity of Duck Ponds 436 Comment
  UCR27595  Atriplex davidsonii John C. Roos 1962-5-24 s.n. Riverside San Jacinto Valley, Flats west of Hemet Comment
  UC68841  Atriplex elegans H. M. Hall 1905-4-17 5924 Riverside near Colorado River (Colorado Desert, Palo Verde Valley); Colorado Desert, nr Colorado River, Palo Verde Valley 91 Comment
  CAS-BOT-BC249040  Atriplex elegans var. elegans A. C. Sanders; John F. Green 2012-6-25 40307 Riverside Peninsular Range; Santa Ana Mtns. Region: Temescal Canyon near I-15 crossing of Temescal Canyon Rd. and Temescal Creek, c. 2.6 km SE of Lee (Corona) Lake 361 Comment
  HSC25219  Atriplex lentiformis R. W. Spjut 1972-1-6 2099 Riverside Colorado Desert, along water courses from Indio, along Hwy. 111, S to Salton Sea -30 Comment
  UCSB60201  Atriplex pacifica Bramlet, D. 1991-4-29 Riverside 6.5 km. W of Hemet, 600 m. S and W of the intersection of Warren and Florida 457 Comment
  POM265628  Atriplex parishii J. C. Roos 1937-8-17 1214 Riverside San Jancito Valley, 5 miles west of Hemet, Comment
  OBI17268  Atriplex polycarpa H. E. McMinn 1937-3-6 5005 Riverside 1 mi E of Blythe Comment
  SEINET4135546  Atriplex polycarpa Lewis S. Rose 1961-11-24 61068 Riverside La Quinta.; 0 15 Comment
  UCR18899  Atriplex serenana John C. Roos 1965-8-3 s.n. Riverside Gilman Hot Springs Comment
  RSA556460  Atriplex serenana var. davidsonii Julie Greene 1993-4-30 1247 Riverside San Jacinto Wildlife Area, south of visitors center, by waterfowl kiosk, E of Davis Road. 433 Comment
  CAS-BOT-BC176762  Atriplex serenana var. serenana Baer 1922-9-9 s.n. Riverside Elsinore Comment
  OBI32772  Avena barbata E. W. Lathrop 1959-4-26 4497 Riverside 14 W of Murrieta; Tenaja Plateau Comment
  POM9853  Ayenia compacta E. C. Jaeger 1921-11-29 s.n. Riverside Tahquitz Canyon. 305 Comment
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Apr 30 2011
  IRVC504  Baccharis brachyphylla R. H. Whittaker, W. A. Niering 1963-6-7 SJ 294 Riverside Palms to Pines Highway; slope E-22 degrees open, gabbro-serpentine soil, chaparral-desert scrub transition Santa Rosa Mountains 945 Comment
  UCR19495  Baccharis brachyphylla John C. Roos 1963-10-19 s.n. Riverside San Bernardino Mtns., Whitewater Wash near Painted Hill 581 Comment
  POM320339  Baccharis emoryi Patricia Wilder 1971-11-17 5320 Riverside Along the Santa Ana River at end of Pedlay Sreet, north of Norco. 198 Comment
  POM68496  Baccharis emoryi Marcus E. Jones 1925-4-24 s.n. Riverside Thousand Palms Comment
  RSA594790  Baccharis salicifolia Darin L. Banks, Dylan Hannon 1996-5-3 0986 Riverside NW Palomar Mountains; Agua Tibia Mountains; Foothills S of Hwy. 79 ; E of the Dripping Spring Campground; Along a mesic E facing slope, approximately 300 m SE of the Helipad at the upper camp sites 534 Comment
  SD224825  Baccharis salicifolia A. C. Sanders, S. Hawkins, J. Goetzen & D. Freeman 1996-5-1 18109 Riverside San Bernadino Mtns.: Morongo Indian Reservation, vicinity of natural pond & bog at SE edge of Burro Flats. 1096 Comment
  JEPS21253  Baccharis salicifolia subsp. salicifolia Marjorie D. Clary 1934-3-3 Riverside 18 mi w of Indio; Carrizo Canon 304 Comment
  SBBG96142  Baccharis salicina O. F. Clarke 1970-10-20 Riverside UC Riverside Botanic Garden, on the campus of UC Riverside Comment
  RSA0031548  Baccharis sarothroides Duncan S. Bell 2013-1-30 4438 Riverside The Mecca Hills; in an unnamed canyon between Thermal Canyon and Painted Canyon, just to the west of Mecca Hills peak 1642. 138 Comment
  SEINET7003044  Baeria chrysostoma A. G. Vestal 1962-3-29 s.n. Riverside 0.3 mile south of Temecula. Comment
  POM10164  Bahiopsis parishii Philip A. Munz 1921-4-30 4503 Riverside Pinyon Wells 1220 Comment
  RSA442013  Bahiopsis parishii Anstruther Davidson 1893-4-10 s.n. Riverside Palm Springs. Comment
  RSA600110  Bahiopsis parishii L. C. Wheeler 1959-12-27 7648 Riverside Chuckwalla Mountains. White Cloud Mine. Comment
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Mar 3 2013
  SJSU10602  Bahiopsis parishii R. C. McGehee 1970-4-30 243 Riverside Corn Springs Canyon 4 miles W of Corn Springs Campground, 18 miles SE of Desert Center Comment
  UCR172262  Baileya multiradiata John F. Green 2006-5-2 s.n. Riverside Peninsular Ranges, City of Temecula, Immediately N and south of Murrieta Hot Springs Road along San Diego Aqueduct right-of-way 396 Comment
  CAS-BOT-BC99966  Baileya pauciradiata Ira L. Wiggins 1941-3-24 9571 Riverside Sand dunes 0.3 mile south of Myoma, 4.6 miles north of Indio Comment
  RSA450421  Baileya pauciradiata J. C. Roos 1965-4-28 s.n. Riverside Palm Springs. Comment
  UC135117  Baileya pauciradiata S. B. Parish 1896-4-1 4125 Riverside Palm Springs Colorado Desert Comment
  CAS-BOT-BC106610  Baileya pleniradiata H. M. Hall 1905-4-1 5912 Riverside Near Palo Verde - Colorado Desert 91 Comment
  UCR79222  Barbarea orthoceras Steve Boyd 1992-4-14 6793 Riverside Santa Ana Mtns., San Mateo Canyon Wilderness. Along Verdugo Trail from Tenaja Tr. to Bluewater Tr. in upper watershed Bluewater Canyon. south of Sitton Peak 854 Comment
  RSA0116271  Bassia hyssopifolia Mitch Provance, Ken Halama 2003-6-15 17069 Riverside Temescal Mountains: Mead Valley, just SSW of the corner of Cajalco Rd. and Wood St. Comment
  RSA675708  Bebbia juncea Scott D. White 2000-10-24 8141 Riverside South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills 610 Comment
  CAS-BOT-BC100114  Bebbia juncea var. aspera H. M. H. 1901-5-17 1851 Riverside Palm [Canon] Canyon Comment
  RSA793274  Bebbia juncea var. aspera Aaron C. Sedgwick, Joella Simons Adkins 2012-10-24 149 Riverside On Graham Pass Rd. just south of Graham Pass in the Chuckwalla Mtns. Wilderness. 456 Comment
  UC19133  Bergia texana Samuel B. Parish 1891-11-5 2240 Riverside Elsinore Lake Comment
  POM299247  Bernardia incana Louise Kellogg, Annie M. Alexander 1941-5-23 2220 Riverside North slope of Eagle Mountains. Base of mountain and up canyon to 4500 feet, altitude 3800 feet near mouth of canyon. 1159 Comment
  RSA293511  Bernardia incana W. Wisura 1979-8-8 1906 Riverside Big Horn Sheep Overlook, Highway 74 above Deep Canyon, south of Palm Desert. Comment
  UCD166227  Bernardia incana Jack Major 1962-4-16 770 Riverside Along California Hwy 74, below Pinyon Flat toward Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 1220 Comment
  CLARK-A1528-171  Bidens frondosa John C. Roos 1951-9-25 5265 Riverside Riverside 259 Comment
  UCR178351  Bloomeria crocea Tracy Tennant, Mitch Provance, Jeffrey Ross 1998-6-25 MOR- 1059 Riverside Transverse Range; San Bernardino Mtns., Morongo Indian Reservation, upper Corral Canyon, tree stand C-01 1280 Comment
  JEPS53169  Boechera arcuata W. L. Jepson 1901-5-19 1287 Riverside Strawberry Valley Mt. San Jacinto Comment
  RSA0107274  Boechera johnstonii John F. Emmel 2001-4-28 1699 Riverside San Jacinto Mts.; Garner Valley; NE-facing slope 0.2 air mile S of trailhead parking area for Ramona Trail. 1377 Comment
  JOTR30048  Boerhavia coccinea La Doux, Tasha 2006-10-24 1655 Riverside Joshua Tree National Park. Twentynine Palms, park headquarters, nursery compound Comment
  SBBG93063  Boerhavia intermedia A. C. Sanders 1989-9-19 9511 Riverside 1.75 km (airline) S of Tabaseca Tank, along the wash above "Tabaseca Target"; Chocolate Mtns Aerial Gunnery Range, 680 Comment
  JOTR34998  Boerhavia triquetra var. intermedia La Doux, Tasha, A. Miller, T. Vaughn, A. Johnson 2007-10-25 3100 Riverside Joshua Tree National Park. Pinto Basin, along Old Dale Road Comment
  SEINET3142563  Boerhavia triquetra var. intermedia M. Denslow 2003-9-13 1549 Riverside Colorado Desert; Western Colorado Desert region: Shavers Valley; I-10 at Mecca Exit, Box Springs Road. (Cottonwood Spring Squad) Comment
  CLARK-A1528-3271  Boerhavia wrightii John C. Roos 1937-8-22 14 Riverside Comment
  RSA0121007  Boerhavia wrightii Duncan S. Bell, LeRoy Gross 2016-3-8 8826 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern section of the range; approximately 1.75 air miles north of the Bradshaw Trail. 466 Comment
  RSA778519  Boerhavia wrightii Amber Swanson, Linda Jean Foster 2011-10-8 638 Riverside Large wash off Blythe Rice Rd 270 Comment
  UC489262  Bolboschoenus maritimus C. V. Meyer 1928-8-2 626 Riverside Temecula Comment
  JOTR33125  Bothriochloa barbinodis La Doux, Tasha, Mike Bell 2003-10-17 1592 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Wonderland of Rocks; Wonderland Wash, active wash corridor with sandy bottom, surrounded by granitic outcrops and pediments 1310 Comment
  RSA0031420  Bouteloua aristidoides Duncan S. Bell, Kim Clark, Bob Ellis, Pam McKay, Jim Pittman, Gene Ratcliff, Ed Schlegel, Felicia Sirchia 2013-2-24 4469 Riverside Orocopia Mountains; south end of range, north of the Coachella Canal, approximately 3 air miles northeast of Dos Palmas Springs. 182 Comment
  RSA781410  Bouteloua aristidoides Duncan S. Bell 2011-10-22 2990 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
  UC126634  Bouteloua aristidoides var. aristidoides H. M. Hall 1905-5-1 5962 Riverside canyons along Colorado River; Colorado Desert Comment
  UC406747  Bouteloua aristidoides var. aristidoides Marcus E. Jones, A. M. 1929-9-16 24421 Riverside near Desert Center; Hayfields Comment
  OBI29472  Bouteloua barbata David J. Keil, Melissa Luckow 1979-8-31 13152 Riverside Jctn of Box Cyn rd and I-10, just S of exit ramp at wash crossing Comment
  SBBG19874  Bouteloua barbata M. A. Piehl 1963-9-18 63846 Riverside US Hwy 60, 2.7 mi W of Desert Center 312 Comment
  SD185110  Bowlesia incana A. C. Sanders 2005-4-21 29573 Riverside Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 miles easoutheast of Gavilan Peak. 622 Comment
  SEINET7073401  Bowlesia incana A. G. Vestal 1963-4-23 s.n. Riverside About 1.6 mile up the Railroad Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  UCR150039  Bowlesia incana Scott D. White, Tasha LaDoux 2000-4-20 7673 Riverside Perris-Aguanga Basin, South of Hemet: 'Gibbel Flat' in the Santa Rosa Hills 671 Comment
  SEINET13262577 Image available Brachypodium hybridum Steve Boyd 2011-1 12306 Riverside City of Riverside, residential lot at northwest corner of Beechwood Place (4131) and Brockton Avenue. 256 Comment
  SD247409  Brandegea bigelovii T. B. Salvato, R. T. Hawke, Tim Thomas, Mitch Provance 2013-3-8 7311 Riverside Sonoran (Colorado) Desert: south of Hwy I-10, north of the Chuckwalla Mountains, Chuckwalla Valley Road, c. 1.4 km west of its juction with Augustine Pass Road (East of Aztec Mines 7.5'Q) 136 Comment
  SD44855  Brandegea bigelovii Darley F. Howe 1952-4-27 2188 Riverside Box Canyon, E of Mecca Comment
  SEINET2042329 Image available Brandegea bigelovii B. Pitzer 1989-4-15 1285 Riverside Chocolate Mountains Aerial Gunnery Range. Large wash crossing Ridgeline Rd. (Frink quad: UTM 11S: PH-050N, 397E) 700 Comment
  UC1922906  Brandegea bigelovii Scott D. White, Jennifer H. Jones, James Huelsman 2005-4-14 10893 Riverside Sonoran Desert: Eastern Coachella Valley. Bajada beneath Mecca Hills, just East of Coachella Canal. (Thermal Canyon) Comment
  UCR130814  Brandegea bigelovii B. G. Pitzer 2000-5-7 4128 Riverside Sonoran (Colorado) Desert, extreme north end of Orocopia Mountains, Shavers Valley, at base of hills c. 0.5 mi. SE of Box Canyon Road. 341 Comment
  UCR250213  Brassica rapa A. C. Sanders 2014-4-23 41063 Riverside Peninsular Range, Baker St. NW of Lake Elsinore, near Alberhill Mtn., 1.1 km NW of Hwy 74 387 Comment
  RSA651822  Brassica tournefortii Marion P. Harthill 1971-3-19 11 Riverside Palm Desert. Comment
  UC1281263  Brickellia atractyloides H. E. McMinn 1935-6-27 4064 Riverside Palms to Pines Highway Comment
  UC76424  Brickellia californica Miss M. Alice King 1893-1 Riverside Menifee Comment
  UCR231190  Brickellia californica A. C. Sanders, T. B. Salvato, Kent Beaman 2011-11-3 39945 Riverside Peninsular Range; Santa Ana Mountains, Skyline Drive on ridge between Mabey and Tin Mine Canyons, 1.8 mi. below Oak Flat, at side canyon (tributary to Mabey Cyn.) crossed by road 710 Comment
  RSA16813  Brickellia desertorum C. B. Wolf 1931-10-14 3900 Riverside Snow Creek 1/2 mi. below the Fish Hatchery N base of San Jacinto Mountains. 549 Comment
  SD161012  Brickellia desertorum Virginia Moran 2003-9-1 Riverside Perris-Aguanga Basin region: Wilson Valley Mitigation Bank. Comment
  UC1010240  Brickellia desertorum J. C. Roos 1950-11-25 5026 Riverside dry hills at n end of Perris Blvd., Sunnymead Sunnymead 612 Comment
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Jul 21 2010
  UCR23272  Brickellia desertorum John C. Roos 1950-10-15 5009 Riverside San Bernardino Mtns., Dry Morongo Canyon, c. l mi south of Riverside-San Bernardino county line 612 Comment
  OBI52135  Brickellia incana Larry Kelly, David J. Keil 1988-4-16 50 Riverside ca .5 mi from hwy 10 on road through Ocatillo garden, and cholla patch in Joshua tree Natl Monument Comment
  JOTR33948  Brickellia oblongifolia var. linifolia La Doux, Tasha, M. Harding, M. Wheeler, and J. Harding 2010-6-2 2836 Riverside Joshua Tree National Park. Little San Bernardino Mountains, NW of Key's View and Inspiration Peak; bouldery outcrops along ridge line heading toward Juniper Flats Comment
  RSA599130  Bromus carinatus V. W. Steinmann, D. L. Banks 1996-4-20 839 Riverside Agua Tibia Mountains, ca. 15 km east of Temecula, less than 1 km south of Route 79 at the Dorland Mountain Arts Colony, just southwest of the administration building., ca. 33?28'N, 117?01'W 550 Comment
  SD152996  Bromus carinatus Steve Boyd 1992-4-15 6858 Riverside Santa Ana Mtns; San Mateo Cyn Wilderness area; Bluewater Cyn along Bluewater Tr; downstream to the confluence with San Mateo Creek 334 Comment
  RSA314626  Bromus diandrus R. F. Thorne, F. R. Fosberg, M. H. Sachet, Charles C. Herbst 1983-4-23 55424 Riverside San Bernardino Mountains: Mouth of Whitewater Canyon, east of Whitewater Post Office at south end of ridge. 412 Comment
  UC37692 Image available Bromus grandis H. M. Hall Jun 1901 2228 Riverside s side San Jacinto Mts. 1615 Comment
  POM363886  Bromus hordeaceus N. C. Cooper 1944-4-22 1113 Riverside Banning. 732 Comment
  SDSU956  Bromus orcuttianus var. hallii H. Wedberg 1962-7-28 1001 Riverside On dirt road about 2.5 miles N from Black Mtn Publ. Campground, in opening of montane forest with Bracken, P. jeffreyi, Ceanothus cordulatus. San Jacinto Mountains. 2286 Comment
  UCR102764  Bromus rubens B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3593 .2 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  RSA0019730  Bromus tectorum Victor Duran 1932-5-18 3218 Riverside Idylwild, San Jacinto Mountains 1677 Comment
  SEINET3923569  Bromus tectorum Steve Boyd, Tim Ross; D. Bramlet 1993-5-13 7381 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Wildhorse Canyon, from confluence with Los Alamos Canyon upstream approx. 1 mile. In lower 1/3 mile of Wildhorse Canyon.; 0 411 Comment
  JEPS9627  Bursera microphylla Marjorie Clary 1939-3-2 Riverside 17 mi sw Coachella; Santa Rosa Mountains, Martinez Canyon Comment
  CDA26848  Caesalpinia virgata G. D. Barbe 1978-5-2 2365 Riverside 19.2 miles west of Cottonwood Springs Road, 4 miles west of Roadside Rest Area, eastbound lanes I-10 east of Indio. 0 Comment
  RSA517252  Caesalpinia virgata Steve Boyd 1986-2-18 1322 Riverside Mecca Hills, Colorado Desert: Painted Canyon N of Highway 195. Comment
  UC56761  Calandrinia ciliata H. M. Hall April, 1902 2916 Riverside vicinity Winchester 304 Comment
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Mar 20 2011
  UCR172221  Calandrinia ciliata 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
  UCR97649  Calandrinia ciliata A. C. Sanders, G. Helmkamp 1997-3-15 19940 Riverside Lake Skinner area: hill (1864) east of Skinner Lake at NW end of Tucalota Hills 488 Comment
  RSA198958  Callitriche marginata R. F. Thorne, P. A. Munz, E. W. Lathrop 1968-5-8 37562 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California. 671 Comment
  RSA85454  Callitriche marginata J. C. Roos 1952-4-16 5540 Riverside Edgemont, near Box Springs. 488 Comment
  RSA762187  Calocedrus decurrens Peter Guiden, C. Martinez, N. Fraga, L. McDade 2010-8-14 68 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA741582  Calochortus concolor Scott D. White, Justin M. Wood 2008-6-17 12178 Riverside Garner Valley- Kenworthy Station (USFS) 1378 Comment
  UC3394  Calochortus invenustus H. M. Hall 1897-6-17 642 Riverside Strawberry Valley San Jacinto Mountains 1828 Comment
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Sep 2 2011
  UCR121085  Calochortus plummerae A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24962 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR60371  Calochortus splendens R. Balsamo 1989-5-7 s.n. Riverside Santa Ana Mtns/Santa Rosa Plateau, The Nature Conservancy's Santa Rosa Plateau Preserve, 4.1 mi west of Hwy I-15 on Clinton Keith Rd., directly across the road from vernal pools 762 Comment
  VVC535  Calochortus splendens F. Ambrey 1959-5-6 s.n. Riverside Perris Basin, 5.5 miles so. of Hemet on State hwy 79. opposite curre sign (sic), 20 yds. so. of power line. 485 Comment
  CAS-BOT-BC483501  Calochortus splendens E. K. Balls 1949-5-4 13479 Riverside Cajalco Road, 2 miles from Corona to Elsinore Highway, road to Lake Matthews, Gavilan Hills Comment
  RSA652923  Calycadenia tenella A. C. Sanders 1997-5-1 20624 Riverside Along horse trail in southern part of Lake Skinner Park, west of Tucalota Hills and east of Warren Rd. 488 Comment
  UCR80732  Calycadenia tenella Steve Boyd, T. Ross 1992-6-10 7626 Riverside Southern Santa Ana Mtns., San Mateo Canyon Wilderness Area, Santa Ana Mountains; about 'Potrero Escondido', an isolated area of low relief topping the ridge system due west of jct. Tenaja Rd. & Los Alamos Rd at the confluence of Los Alamos Creek with the main trunk of San Mateo Creek 673 Comment
  SD215627  Calyptridium monandrum Steve Boyd, Tim Ross, et al. 1990-4-2 4031 Riverside Vail Lake area, lower slopes of Agua Tibia Mountain along Highway 79. 487 Comment
  RSA719522  Calyptridium parryi var. parryi Naomi Fraga, et al. 2006-7-11 1717 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  UCR20549  Calystegia fulcrata W. W. Mayhew 1977-7-5 s.n. Riverside Peninsular Range; San Jacinto Mtns., Pine Cove 1835 Comment
  RSA584032  Calystegia occidentalis subsp. fulcrata T. S. Ross, Karl E. Holte, A. R. Ross 1993-5-30 7345 Riverside San Mateo Canyon Wilderness Area, Cleveland National Forest; Tenaja Canyon (sometimes considered a part of the Santa Margarita Mts.). 488 Comment
  RSA0106457  Camissonia bistorta Daphne K. Christopher, Hannah Stevens 2003-4-4 85 Riverside UC Riverside, Motte Rimrock Reserve. Off Sage Rd. 530 Comment
  UCR3352  Camissonia bistorta T. R. Plumb 1964-4-23 s.n. Riverside Box Springs Mtns., Box Springs Mountain, 2 mi. SE of Dog Lady's house [old house near crest of range, c. 33 deg. 58' 53'N, 117 deg. 17' 28'W, along road from Pigeon Pass; later park ranger's house] on SE road fork 793 Comment
  UCR59923  Camissonia bistorta Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouth of Rice and McVicker Canyons 488 Comment
  RSA144821  Camissonia boothii subsp. condensata E. G. Linsley, J. W. MacSwain 1960-3-2 60 -4 Riverside Colorado Desert. 20 miles east of Desert Center. Comment
  RSA0043028  Camissonia brevipes subsp. brevipes Duncan S. Bell, Loraine Washburn 2014-4-8 6576 Riverside Orocopia Mountains; Orocopia Mountains Wilderness area; southern/central section of range; approximately 2.25 air miles north of Clemens Well and Bradshaw Trail. 495 Comment
  RSA49371  Camissonia brevipes subsp. brevipes P. A. Munz 1949-4-12 13040 Riverside Mojave Desert, SE part of Pinto Basin. sandy wash Comment
  RSA524584  Camissonia californica Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4132 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
  RSA6087  Camissonia californica Carl B. Wolf 1932-5-25 3670 Riverside San Jacinto Mountains. 1/2 mile below Fish Hatchery, lower edge of upper Sonoran zone, Snow Creek, north base of mountains. 549 Comment
  POM14192  Camissonia cardiophylla P. A. Munz, D. Keck 1922-4-9 4772 Riverside Shavers Well, near Mecca. 76 Comment
  POM163413  Camissonia cardiophylla Marcus E. Jones 1926-2-16 s.n. Riverside Corn Spring. Comment
  POM48326  Camissonia cardiophylla E. C. Jaeger 1925-2-8 s.n. Riverside Painted Canyon near Mecca. Comment
  UCR89867  Camissonia cardiophylla George K. Helmkamp 1994-3-10 41 19 Riverside Sonoran (Colorado) Desert, Indio Hills, canyon opening into Coachella Valley, 2 miles east of Thousand Palms on Ramon Road, and 1.3 miles north 122 Comment
  UCR104013  Camissonia claviformis George K. Helmkamp 1998-4-4 3136 Riverside Sonoran (Colorado) Desert, junction of Calif. Hwy 62 (Twentynine Palms Hwy) & Calif. Hwy 177 (Desert Center-Rice Rd) 457 Comment
  UCR104021  Camissonia claviformis George K. Helmkamp, E. A. Helmkamp 1998-2-18 2713 Riverside Sonoran (Colorado) Desert, Midland Road., 3.8 mi. SE of Midland, Little Maria Mtns. 198 Comment
  RSA286519  Camissonia confusa John F. Emmel 1979-5-26 632 Riverside Bautista Cyn. Road, near mouth of Bautista Canyon. 610 Comment
  VVC332  Camissonia hirtella A. C. Sanders, J. Mac 1997-5-4 20635 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
  RSA186729  Camissonia ignota Peter H. Raven 1962-3-19 16909 Riverside Lake Matthews road 14.7 miles west of U.S. Highway 395. Comment
  UCR116622  Camissonia pallida A. C. Sanders 2001-3-20 23854 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
  UCR17932  Camissonia pallida A. C. Sanders 1976-4-20 00461 Riverside San Jacinto/Santa Rosa Mtns., 9.5 mi. SE of Anza in White Wash, a tributary of Coyote Canyon 976 Comment
  RSA278984  Camissonia pallida subsp. pallida Barry A. Prigge, L. Martinez 1978-3-23 2437 Riverside NW Colorado desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads 335 Comment
  RSA772123  Camissonia pallida subsp. pallida Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4832 Riverside Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm); between N34.00456, W116.67238 and N33.99629 and W116.66010. 915 Comment
  UCR226925  Camissonia pallida subsp. pallida Jim Andre 2011-2-2 16205 Riverside Coachella Valley, west of Palm Springs along Hwy 111 (south side) at base of San Jacinto Mtns at Windy Point 5.5 mi from junction with Hwy I-10 259 Comment
  UCR216226  Camissonia refracta Jim Andre, T. La Doux 2009-2-28 10839 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park, SE Little San Bernardino Mountains, along Berdoo Canyon Rd (dirt), c. 0.8 mi. north of JTNP boundary, c. 3 miles north of Dillon Road 632 Comment
  POM48923  Camissonia strigulosa P. A. Munz 1924-5-18 8146 Riverside 18 miles from Banning on Idyllwild Road [Hwy 243?]. 1524 Comment
  SEINET242066  Camissonia strigulosa A. C. Sanders 2001-3-30 23862 Riverside Perris-Aguanga Basin Region: Temecula, Long Canyon W of Del Rey Rd., bottom of canyon W of junction of Av. Pina Colada 366 Comment
  UCR167078  Camissonia strigulosa Scott D. White 2005-3-29 10849 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  OBI33206  Camissoniopsis bistorta J. C. Roos 1947-3-15 3345 Riverside Valle Vista, San Jacinto Valley 549 Comment
  UC874054  Camissoniopsis hirtella P. A. Munz 1922-7-1 5940 Riverside Santa Rosa 1889 Comment
  GMDRC7788  Camissoniopsis pallida J. M. Andre 2015-3-6 33549 Riverside Coachella Valley: sandy flats along Snow Canyon Rd, just south of Hwy 111 362 Comment
  OBI23285  Camissoniopsis pallida subsp. pallida Robert F. Hoover 1969-4-14 11236 Riverside Palm Springs, just outside of city limit Comment
  POM259165  Carex alma Phillip A. Munz 1940-8-14 15341 Riverside Virgin Spring, near Santa Rosa Peak. 2287 Comment
  UC604  Carex alma S. B. Parish Apr 4-13 1896 4144 Riverside desert base of San Jacinto Mountain; Palm Springs, Agua Caliente 152 Comment
  CAS-BOT-BC19173  Carex barbarae H. E. Hasse 1903-6-21 s.n. Riverside San Jacinto Mountains. Round Valley. 2895 Comment
  UCD140179  Carex bolanderi P. Zika; N. Otting, K. Kramer 2010-8-6 25300 Riverside bridge over N Fork San Jacinto River, Dark Canyon, at campground. San Jacinto Mountains. 1785 Comment
  POM49093  Carex heteroneura Phillip A. Munz, I. M. Johnston 1924-7-27 8770 Riverside Deer Springs, San Jacinto Mountains. 2500 Comment
  UC537214  Carex heteroneura M. E. Jones Sep 1933 Riverside San Jacinto Mts. Comment
  SEINET13371260  Carex hoodii P. F. Zika, Nick Otting 2010-8-30 25236 Riverside Vicinity of Willow Creek, W, San Jacinto Wilderness Area, San Jacinto Mountains, Peninsula Ranges. 2550 Comment
  UC961  Carex nebrascensis H. M. Hall July, 1901 2338 Riverside vicinity Deer Springs; San Jacinto Mts. 2743 Comment
  UCR277703  Carex praegracilis Mitch Provance 2013-4-16 413- 19 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  POM49566  Carex sartwelliana Phillip A. Munz 1924-7-28 8815 Riverside Pine Flats 1738 Comment
  RSA769177  Carex senta P. F. Zika, Nick Otting 2010-8-3 25244 Riverside Vicinity of Willow Creek, San Jacinto Wilderness Area, San Jacinto Mountains, Penisula Ranges 2550 Comment
  RSA621504  Carex spissa Darin L. Banks 1997-11-15 2197 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, on the north side of the Dorland Mountain Arts Colony. 549 Comment
  UCR123632  Carex spissa Steven R. Hill, A. C. Sanders 2001-5-4 33729 Riverside Santa Rosa Plateau, Carancho Road, at crossing of De Luz Creek (headwaters) 360 Comment
  SEINET7578801 Image available Carex triquetra Steve Boyd, Tim Ross, Orlando Mistretta 1992-3-31 6753 B Riverside Santa Ana Mountain, San Mateo Cyn Wilderness Area, Morgan Trail from Round Potrero W to jtn with Tenaja Tr in N-fork Bear Creek. 671 Comment
  POM14080  Castela emoryi Philip A. Munz, D. D. Keck 1922-4-14 4993 Riverside 'Hayfields', Chuckwalla Valley 152 Comment
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Apr 22 2011
  RSA792471  Castela emoryi Justin M. Wood, Dustin Ray 2011-4-28 3836 Riverside Sonoran Desert: Chuckwalla Valley: 6.5 miles north of Desert Center on Kaiser Road, +/- 0.4 miles northeast of bend in road. 202 Comment
  UCR97665  Castilleja affinis A. C. Sanders, G. Helmkamp 1997-3-15 19962 Riverside Lake Skinner area: NE of Skinner Lake in a tributary to Rawson Canyon, along the dirt road 503 Comment
  JEPS57286  Castilleja affinis subsp. affinis L. R. Heckard and R. C. Bacigalupi 1968-5-5 1808 Riverside 1.3 mi e Dripping Springs Campground (w of Radec) 457 Comment
  SDSU14239  Castilleja affinis subsp. affinis Ingrid Poulin, Dr. M. G. Simpson & Biology 531, class of Spring 2002 2002-4-20 21 Riverside Santa Margarita Ecological Reserve - Northside; Loop Trail to Observation Point; east of Via Tornado. 335 Comment
  RSA679168  Castilleja applegatei subsp. martinii Fred M. Roberts 2003-6-25 5933 Riverside Indian Truck Trail, 8.7 km by road W La Palma Rd., 2.5 km ENE Trabuco Peak 937 Comment
  RSA0010920  Castilleja densiflora subsp. gracilis Steve Boyd, Dave Bramlet 1996-4-19 8594 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
  UC886544  Castilleja exserta L. Haines and L. Erickson 1937-4-9 Riverside 1 mi w San Jacinto Comment
  JEPS10328  Castilleja exserta subsp. exserta W. L. Jepson 1901-5-19 1294 Riverside Strawberry Valley Mt. San Jacinto Comment
  RSA586866  Castilleja exserta subsp. exserta D. L. Banks, S. D. Boyd 1995-5-3 285 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
  SEINET6985157  Castilleja exserta subsp. exserta Wanda P. Vestal, A. G. Vestal 1955-4-21 s.n. Riverside West end of Long Valley Road, just north of Temecula. Comment
  POM10107  Castilleja foliolosa Charlotte M. Wilder 1904-4-27 s.n. Riverside Wilder's Canyon, Jurupa Hills. Comment
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Apr 2 2011
  RSA33474  Castilleja foliolosa N. C. Cooper 1944-5-7 1182 Riverside Banning. 701 Comment
  RSA593380  Castilleja foliolosa Scott D. White 1996-7-23 4361 Riverside Pinyon Flat Area: N of Hwy 74, ca. 10 road miles E of jct. w/Hwy 371. W facing slope of Sugarloaf Mtn. and adjacent valley. 1250 Comment
  RSA779955  Castilleja foliolosa Duncan S. Bell, Jennifer Pilapil, Terry Higgins 2011-6-2 2629 Riverside In a side canyon off of the West Fork of Mission Creek approximately 0.5 air mile south of where the Pacific Crest Trail crosses the West Fork of Mission Creek. 944 Comment
  UCR120934  Castilleja foliolosa A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-9 24934 Riverside The Badlands, hills and canyons west of Laborde Canyon, 1 mile northeast of Eden Hot Springs, SW of Beaumont 671 Comment
  RSA561104  Castilleja minor subsp. spiralis Steve D. Boyd, Tim S. Ross, Dave Bramlet 1993-5-12 7329 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon, along stream and adjacent benches and lower slopes from confluence with Los Alamos canyon downstream to confluence with Tenaja Canyon, 365 Comment
  UC494745  Caulanthus cooperi C. L. Hitchcock 1932-4-9 12223 Riverside 10 mi se White Tank (eastern Riverside County); se of White Tank Comment
  RSA586145  Caulanthus heterophyllus D. L. Banks, S. D. Boyd 1995-3-16 107 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. E of the Dripping Springs Alcove, N slope of Wildhorse Peak, on the Wildhorse Trail. 610 Comment
  SD152903  Caulanthus heterophyllus Steve Boyd, Tim Ross and Orlando Mistretta 1992-2-26 6700 Riverside Santa AnaMountains, San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  UCR77706  Caulanthus lasiophyllus var. rigidus Steve Boyd, T. S. Ross, Mike Hammitt 1991-5-2 6122 Riverside Peninsular Range, Vail Lake area, summit of Oak Mtn, north of lake near Henderson benchmark 823 Comment
  UC64616 Image available Caulanthus simulans W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 1894 Riverside Coyote Canyon El Toro Mt.; Coyote Canyon, El Toro Mt. 1676 Comment
  CAS-BOT-BC48618  Ceanothus cordulatus E. A. McGregor 1941-6-12 9 Riverside Idyllwild, San Gabriel Mountains Comment
  UCD111409  Ceanothus cordulatus R. S. Woglum 1941-6-12 3053 Ab Riverside Idyllwild. 1524 Comment
  RSA0019602  Ceanothus cordulatus J. R. Bruff 1934-7-5 s.n. Riverside San Jacinto. [Presumably collected in San Jacinto Mtns., not in City of San Jacinto] 2439 Comment
  POM254867  Ceanothus crassifolius W. Pequegnat 1940-4-13 s.n. Riverside Bedford Road, Santa Ana Mts. 793 Comment
  RSA569992  Ceanothus crassifolius Steve Boyd, Tim S. Ross 1993-3-23 7901 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
  RSA606776  Ceanothus crassifolius Jon E. Keeley 1996-5-13 27425 Riverside In on N side of Agua Tibia Range, 2-3 km S of Agua Tibia Wilderness boundary gate on trail extending ca. 100 m S of enclosed reservoir on ridge SE of Woodchuck Resort at end of Woodchuck Rd., S of Hwy 79. 1000 Comment
  UCR90987  Ceanothus crassifolius Scott D. White 1996-3-31 3873 Riverside Elsinore Basin, Bundy Canyon, SE of Lake Elsinore; c. 1 road mile (+- 0.2 mi) east of Bundy Canyon Road exit from Hwy I-15. About 40 ft. south of road along mapped intermittent blueline stream 463 Comment
  UCSB3859  Ceanothus crassifolius Gill, Robert 1959-3-14 Riverside Road to Black Star Canyon 335 Comment
  LA42052  Ceanothus cuneatus Carl Epling; 1932-6-4 sn Riverside San Jacinto Mountains, Idyllwild Comment
  RSA289813  Ceanothus greggii var. perplexans Barry A. Prigge 1980-8-12 3924 Riverside San Bernardino Mountains, Whitewater Canyon: 1.5 miles upstream from trout farm. 808 Comment
  POM254854  Ceanothus integerrimus var. californicus W. Pequegnat 1940-7-1 s.n. Riverside Santiago Peak. 1735 Comment
  UCSB54149  Ceanothus leucodermis Brownell, Kathleen 1980-5-16 Riverside 2 mi. west of Lakeland Village on Hwy. 74; Santa Ana Mtns. Comment
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Nov 27 2014
  RSA0019596  Ceanothus leucodermis P. A. Munz, I. M. Johnston 1922-5-19 5401 Riverside Mountain side, at mouth of Strawberry Canyon. 1128 Comment
  HSC86870  Ceanothus oliganthus var. sorediatus E. Misquez 1987-4-11 7 Riverside Santa Ana Mtns., Walker Basin; 2 miles on Avenida de Oro from jct. with Rancho California Rd., and 4.7 miles W of Interstate 15 415 Comment
  CAS-BOT-BC83761  Ceanothus ophiochilus D. O. Burge 2007-3-20 800 b Riverside Agua Tibia Wilderness Area, Cleveland National Forest 660 Comment
  RSA399799  Ceanothus palmeri Mark Morris 1929-3-10 14562 Riverside Chaprral of foothill regional. Comment
  UCR16494  Ceanothus palmeri J. Hollinger 1972-5-13 720513- 6 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild Comment
  CAS-BOT-BC51919  Ceanothus perplexans Vernon Bailey 1907-6-11 s.n. Riverside San Jacinto Mts., East slope above Palm Springs Comment
  RSA0019600  Ceanothus tomentosus J. D. Olmsted 1959-4-12 365 Riverside Turn S for 1 mi on Lincoln from Hwy thru W. Corona, turn W for 0.5 mi on Chase, S at wash onto Oak Flat fire road for 3-4 mi. N. to Santa Ana River drainage. 793 Comment
  UCR238750  Centaurea solstitialis John F. Green 2012-9-11 s.n. Riverside Peninsular Range; Perris-Aguanga Basin Region, between Perris and March Air Base, Harvill Ave. at Markham St., just west of I-215 Fwy 464 Comment
  UCR158130  Centaurium venustum A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30099 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
  RSA707581  Centromadia pungens subsp. laevis Jasmine Watts 2005-7-19 s.n. Riverside Hemet. South of Highway 74, and west of Warren Road. Comment
  SD154107  Centromadia pungens subsp. laevis B. L. Jones 2003-5-29 Riverside Lake Elsinore area, just north of intersection of Corydon Road and Grand Road Comment
  SD262184  Centromadia pungens subsp. laevis Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317 18 Riverside Elsinore Trough: Periodic eastern shoreline of Lake Elsinore (e.g. 1994), in the City of Lake Elsinore, A+- at the borderline with the Sedco Hills Neighborhood of the City of Wildomar, in open space along west side of Mission Trail at Lewis St. 387 Comment
  JEPS64758  Cercidium floridum subsp. floridum W. L. Jepson 1928-4-23 12545 Riverside Shavers Well Colorado Desert 152 Comment
  LA47742  Cercocarpus betuloides W. B. Welch; 1928-5-5 sn Riverside San Jacinto Mountains, Idyllwild and Lily Rock Comment
  CAS-BOT-BC135493  Cercocarpus betuloides var. betuloides James R. Shevock 1976-11-24 5384 Riverside Along Calif. Highway 74 near El Cariso Station - Santa Ana Mountains, Cleveland National Forest 670 Comment
  UC56988  Cercocarpus betuloides var. betuloides H. M. Hall April, 1902 2894 Riverside vicinity of Sage; Southern California 609 Comment
  CAS-BOT-BC279537  Chaenactis artemisiifolia Edmund C. Jaeger 1932-5-12 s.n. Riverside Aguanga 600 Comment
  CAS-BOT-BC276404  Chaenactis carphoclinia Steve Boyd; S. Meury; R. Noyes; L. Arnseth; D. Nordin; T. Ross 1988-3-10 2148 Riverside N end Palen Mountains, 2 miles W of Palen Pass, mid-bajada 300 Comment
  UCD130234  Chaenactis carphoclinia Geoffrey Levin 1975-4-5 466 Riverside 1 mile west of Berdoo Canyon Road on Dillon Road. Foothills of Little San Bernadino Mountains. Saltan Sink Drainage. 60 Comment
  JOTR35034  Chaenactis carphoclinia var. carphoclinia La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3487 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road on south-facing bajada among sonoran desert riparian washes. Comment
  RSA795744  Chaenactis carphoclinia var. carphoclinia J. Andre 2012-3-19 21312 Riverside Orocopia Mountains; north end of range, 0.5 miles south of junction of Box Canyon Road and I-10 freeway, 23 miles east of city of Coachella. 488 Comment
  RSA796499  Chaenactis carphoclinia var. carphoclinia J. Andre 2012-3-19 21341 Riverside Chuckwalla Valley. Along unnamed dirt road 0.3 mi N of Hwy 177, 5.7 mi NE of Jct with I-10 freeway. 157 Comment
  CAS-BOT-BC276941  Chaenactis fremontii Dr. E. Rixford 1917-4-17 s.n. Riverside Coachella Valley Comment
  JEPS5008  Chaenactis fremontii Rimo Bacigalupi with L. R. Heckard and C. L. Custer 1953-5-5 4072 Riverside along Morongo Creek, along highway between Morongo Valley and Coachella Valley. 685 Comment
  OBI51899  Chaenactis fremontii David Charlton 1988-2-25 1225 Riverside Alluvial Fan, S side of Little San Bernardino Mts. Dillon rd and 1000 Palms Oasis Rd jct S of Joshua Tree Natl Park, parallel to I-10. 5 mi E of jct Dillon rd and Fargo Cyn Rd 610 Comment
  POM6569  Chaenactis fremontii Philip A. Munz, L. T. Street, Williams 1919-3-28 2464 Riverside San Gorgonio Pass, between Whitewater and Cabazon. Comment
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Mar 13 2011
  POM8405  Chaenactis fremontii Mary F. Spencer 1920-4-9 557 Riverside In desert sand. Palm Springs. 122 Comment
  RSA34531  Chaenactis fremontii N. C. Cooper 1944-4-8 1046 Riverside Andreas Canyon 457 Comment
  RSA79179  Chaenactis fremontii Philip A. Munz, Percy C. Everett 1952-5-2 16236 Riverside Dry Morongo Wash, n.w. end of Coachella Valley. 457 Comment
  UCR102765  Chaenactis fremontii B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3593 .3 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  RSA583749  Chaenactis glabriuscula var. glabriuscula Steve Boyd 1995-4-24 8482 Riverside Palomar Range, Agua Tibia Wilderness Area, Arroyo Seco drainage on northern flank of Agua Tibia Mountain at the north base of Wildhorse Peak, along the Wildhorse Trail near the northeastern corner of the Wilderness. 671 Comment
  RSA586110  Chaenactis glabriuscula var. glabriuscula Darin L. Banks, Steve Boyd 1995-4-5 0150 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, on alluvial terraces of the W fork of Arroyo Seco. 3 573 Comment
  UC55096  Chaenactis glabriuscula var. glabriuscula H. M. Hall 1903-4-1 3800 Riverside vicinity of Riverside 426 Comment
  UCR96275  Chaenactis glabriuscula var. glabriuscula Kathleen Stockwell 1996-6-5 s.n. Riverside Warm Springs Creek, near Murrieta. Along creek, just SE of Hogbacks 328 Comment
  CAS-BOT-BC277554  Chaenactis glabriuscula var. lanosa LeRoy Abrams 1903-4-15 3229 Riverside Cabazon Station Comment
  POM49418  Chaenactis parishii H. M. Hall 1901-06 2128 Riverside Santa Rosa Mountain. Coyote Canyon. 1524 Comment
  UCR244911  Chaenactis stevioides Jim Andre 2012-3-19 21353 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Hwy 177, 8.6 mi. NE of junction with I-10 152 Comment
  JOTR34150  Chaenactis xantiana La Doux, Tasha, M. Harding, T. Herskovits, B. Truesdell, M. Wheeler, D. Shade 2011-4-26 3164 Riverside Joshua Tree National Park. Pleasant Valley, south of Gold Coin mine complex; mud flats and sandy hummocks on valley floor (Stop 5) 959 Comment
  RSA779928  Chamaesyce abramsiana Marc Baker, Alice Karl 2011-10-5 17473 Riverside Just west of Black Creek Road, 8.7 km NW of the summit of McCoy Peak, 21 km NW of Blythe, lower bajada on the east flank of the McCoy Mountains 171 Comment
  POM2807  Chamaesyce albomarginata Robinson, Crocker 1916-3-29 s.n. Riverside Santa Ana Mountains, sandy foothills near Lake Elsinore. Comment
  RSA498529  Chamaesyce micromera L. C. Wheeler 1931-11-26 369 Riverside Salton Bench Mark, Colorado Desert. -15 Comment
  POM432476  Chamaesyce pediculifera M. B. Dunkle 1933-5-6 3449 a Riverside Painted Canyon Comment
  JEPS52391  Chamaesyce polycarpa Marjorie D. Clary 1931-12-13 655 Riverside w Coral Reef; Coachella Valley, Devil's Canyon Comment
  RSA776332  Chamaesyce polycarpa Duncan S. Bell, Amanda Turek 2010-4-10 823 Riverside Riverside Mountains; southern section of the mountain range; approximately 1 air mile southwest of Riverside Mountain Peak. 269 Comment
  RSA784930  Chamaesyce polycarpa Duncan S. Bell 2012-2-12 3098 Riverside Mecca Hills: approximately 1.25 air miles north of Box Canyon Road, and approximately 4 air miles southwest of Shavers Well. 256 Comment
  POM122795  Chamaesyce polycarpa var. hirtella Marcus E. Jones 1926-2-15 s.n. Riverside Near Indio. Comment
  RSA433509A  Chamaesyce polycarpa var. polycarpa L. H. Jones 1910-3-17 s.n. Riverside In Sand, Riverside Mountain, Colorado river. Comment
  POM14987  Chamaesyce serpillifolia Mary F. Spencer 1922-6-30 939 Riverside Idyllwild, San Jacinto Mts. 1829 Comment
  POM12201  Cheilanthes clevelandii P. A. Munz 1922-4-29 5116 Riverside 5 miles west of Aguanga. 732 Comment
  RSA33511  Cheilanthes clevelandii Norman C. Cooper 1944-5-6 1193 Riverside Banning. 701 Comment
  RSA85537  Cheilanthes covillei F. W. Peirson 1922-4-10 s.n. Riverside Murray Canyon, Palm Springs Region. 457 Comment
  UCR22082  Cheilanthes covillei Steve Boyd 1980-5-3 190 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 625 Comment
  RSA171334  Cheilanthes newberryi J. Olmstead 1962-5-2 3455 Riverside NW partly shady spot in small arroyo north of turn from US 60 to Gilman Hot Springs, San Timoteo Badlands 563 Comment
  UCR151107  Cheilanthes newberryi Scott D. White 1999-5-28 7435 Riverside Peninsular Ranges/Perris-Aguanga Basin region/Gavilan Hills, Gavilan Hills, c. 3 air mi SE of junction of Cajalco Rd. and Gavilan Rd.; east of Juniper Rd. between Blue Sky Dr. and Celestial Dr 689 Comment
  IRVC3133  Cheilanthes parryi R. H. Whittaker, W. A. Niering 1963-6-1 SJ 149 Riverside Palms to Pines Hwy. Santa Rosa Mountains 701 Comment
  UC1063595  Cheilanthes parryi H. S. Yates 1937-3-24 6453 Riverside Deep Canyon; Thermal Quadrangle Comment
  UCD137390  Cheilanthes parryi Geoffrey Levin 1976-3-27 682 Riverside Chino Canyon. West of Palm Springs. San Jacinto Mts. 396 Comment
  UCSB44681  Cheilanthes parryi Hibbard, Doug 1977-5-15 Riverside Up wash from Hwy 74, 8.45mi from its intersection with Hwy 111 679 Comment
  CAS-BOT-BC70378  Cheilanthes viscida P. A. Munz 1941-10-1 17237 Riverside on Palms to Pines Highway, north base of Santa Rosa Mts. Comment
  SEINET3090649 Image available Chenopodium album H. S. Gentry 1945-7-25 14247 Riverside Near Agaunga. Comment
  UCR114093  Chenopodium album A. C. Sanders, Mitch Provance 1999-9-26 23131 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
  UCR171135  Chenopodium berlandieri John F. Green 2005-5-17 s.n. Riverside Perris-Aguanga Basin, Markham Pit; Gravel pit on SE corner of Markham Street and Day Street, south of March Air Force Base 537 Comment
  UCR242659  Chenopodium berlandieri A. C. Sanders 2013-7-7 40860 Riverside Peninsular Range; San Jacinto Mountains, near central Idyllwild, west side of Hwy 243 at road junction to Astrocamp (Saunders Meadow Rd.) and 0.15 km NE of Tollgate Rd. junction 1596 Comment
  RSA478503  Chenopodium californicum George R. Johnstone 1934-3-27 s.n. Riverside Near Temecula, along inland route. Comment
  UCR201410  Chenopodium chenopodioides Justin M. Wood 2008-9-22 160 Riverside SW Perris Basin, Temecula/Murrieta Creek, downstream of 1st Street bridge 305 Comment
  CDA23371  Chenopodium desiccatum Scott D. White 1998-6-28 6790 Riverside Coastal Plains and Basins; San Bernadino Basin region; Corona: River Road bridge over the Santa Ana River. Comment
  RSA78287  Chenopodium fremontii P. A. Munz, E. K. Balls 1952-8-21 17968 Riverside Hamilton Creek, SE part of San Jacinto Mts. 1433 Comment
  RSA788562  Chenopodium murale Duncan S. Bell 2012-3-8 3142 Riverside Southern section of the Mecca Hills; north side of the canal, approximately 4.75 air miles southeast of where Box Canyon Road crosses the Coachella Canal. 16 Comment
  SEINET3364747 Image available Chenopodium murale Dave Silverman, Onkar Singh 2010-3-25 7847 Riverside Sonoran (Colorado) Desert; Palo Verde Mesa, 220 m east of Black Creek Rd, 6.6 km west of McCoy Wash, and 8.2 km north of I-10 160 Comment
  RSA0108979  Chilopsis linearis Duncan S. Bell 2009-8-15 411 Riverside Northwest of the Arica Mountains. 286 Comment
  UCR215635  Chilopsis linearis Bao Doan 2010-5-31 07 Riverside Western edge of Sonoran (Colorado) Desert, San Gorgonio Pass, Cabazon, Elm St. at San Gorgonio River wash crossing 473 Comment
  UC708737  Chilopsis linearis subsp. arcuata H. K. Wagnon 1944-5-30 406 Riverside Palm Springs, Tahquitz Creek Comment
  UCR50730  Chloracantha spinosa Don Pendleton 1988-5-17 s.n. Riverside Sonoran (Colorado) Desert, just west of Blythe along canal near Hobson Way. 75 Comment
  JEPS68483  Chloris virgata S. B. Parish 1912-10-24 8227 Riverside Thermal; Salton Basin, Thermal -39 Comment
  RSA727398  Chorizanthe brevicornu Naomi Fraga, Lisa Rojas 2005-2-10 1386 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  RSA777390  Chorizanthe brevicornu Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-22 794 Riverside Mecca Hills, just south of Shaver's Well. 305 Comment
  RSA0056357  Chorizanthe brevicornu James R. Shevock 1971-5-8 1028 Riverside Near South entrance, Joshua Tree National Monument. 304 Comment
  RSA392606  Chorizanthe brevicornu var. brevicornu M. B. Dunkle 1935-4-17 4559 Riverside W. of Wiley Well. Colorado Desert. Comment
  RSA392617  Chorizanthe brevicornu var. brevicornu Anstruther Davidson 1903-5-3 s.n. Riverside Thermal Comment
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Aug 9 2010
  UCR116412  Chorizanthe coriacea A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24184 Riverside Perris-Aguanga Basin region, S of Hemet, E end of Diamond Valley, c. 1/4 mi. north of Newport Rd. and 3/4 mi. east of State St. 506 Comment
  GMDRC9379  Chorizanthe corrugata J. M. Andre 2017-3-4 37189 Riverside Big Maria Mountains: along west side of US Hwy 95 30.5 mi. south of Vida Jct, at road to Blythe itaglios (ancient geoglyphs) 95 Comment
  UCR242864  Chorizanthe fimbriata Dick Newell, Judy Booth 2013-6-16 334 Riverside Peninsular Range; Santa Ana Mtns., South Main Divide Rd., 0.3 mi. east of Decker Canyon Rd. 887 Comment
  RSA392688  Chorizanthe fimbriata var. fimbriata J. D. Olmsted 1962-5-10 3666 Riverside West of crest between Sandia and DeLuz Creeks along Murrieta to DeLuz Road. 206 Comment
  SD138831  Chorizanthe leptotheca Craig Reiser 1993-5-17 Riverside Near Agua Tibia Wilderness Area, South of Highway 79 west of entrance to Woodchuck Campground Comment
  UCSB10022  Chorizanthe rigida Haller, John 1958-3-22 Riverside U.S. 60-70, 7.8 miles E of junction with U.S. 99, near Indio Comment
  LA84233  Chorizanthe xanti O. H. Kappler; 1948-4-18 1650 Riverside Whitewater, western Colorado Desert 548 Comment
  POM183883  Chrysothamnus nauseosus subsp. consimilis P. A. Munz 1932-10-16 12842 Riverside Palm Creek, Santa Rosa Mountains. 1463 Comment
  RSA688856  Chrysothamnus paniculatus Scott D. White, Michael Honer 2003-5-13 9250 Riverside San Bernardino Mtns: Whitewater Canyon, ca. 2 miles north of Bonnie Bell. 579 Comment
  VVC1352  Chrysothamnus paniculatus A. C. Sanders, J. Mac 1996-11-23 19656 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
  SD125547  Chylismia brevipes subsp. brevipes Steven A. Junak 1983-3-24 1658 Riverside North side of Highway 10, 6.9 miles west of Pinto Basin Road. 427 Comment
  UC19967  Chylismia cardiophylla subsp. cardiophylla S. B. Parish Apr 4 1896-Apr 13 1896 4118 Riverside Palm Springs (Agua Caliente) San Jacinto Mt. (desert base of mt.) 152 Comment
  UC218268  Chylismia cardiophylla subsp. cardiophylla P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4785 Riverside vicinity of Corn Springs Colorado Desert, Chuckwalla Mountains 457 Comment
  UCD103854  Chylismia claviformis G. K. Helmkamp; E. A. Helmkamp 1998-2-18 2710 Riverside Colorado Desert. Midland Road, 3.8 miles SE of Midland, Little Maria Mountains. Comment
  RSA0123363  Chylismia claviformis subsp. aurantiaca Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9041 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
  SBBG5110  Chylismia claviformis subsp. aurantiaca H. and M. Dearing 1939-12-31 4048 Riverside 5 mi N Palm Springs Comment
  UC73288  Chylismia claviformis subsp. aurantiaca M. F. Gilman 1904-1 Riverside Banning Comment
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Mar 13 2011
  UCSB12723  Chylismia claviformis subsp. peirsonii Dearing, Hugh; Dearing, Margaret 1930-4-13 Riverside Colorado desert between El Centro and Palm Springs Comment
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Jan 7 2015
  RSA0070885  Cirsium scariosum Robert Gustafson 1983-4-18 2509 Riverside Clinton Keith Road, about 5 miles from its junction with Highway 15, eastern slopes of Santa Ana Mountains, Santa Rosa Plateau. 549 Comment
  UCR202218  Cirsium vulgare 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
  UCR241940  Citrullus lanatus var. citroides A. C. Sanders, Jose Aguiar 2012-12-19 40530 Riverside Sonoran (Colorado) Desert, Coachella Valley, NE of Mecca above intersection of Ave. 62 and Johnson St. near Coachella Canal -8 Comment
  RSA615135  Citrus sinensis A. C. Sanders 1997-3-2 19774 Riverside N of Spruce St between the RR and the Gage Canal. near foot of Box Springs Mtns. 305 Comment
  UCR166147  Clarkia dudleyana T. B. Salvato, John F. Green 2004-5-27 567 Riverside San Bernardino Mtns, head of Banning (San Gorgonio River) Canyon close to the San Bernardino Co. line, 1 mi SE of Oak Glen Conservation Camp 1402 Comment
  UCR115428  Clarkia epilobioides Scott D. White, D. E. Bramlet 1999-4-22 7242 Riverside Lake Skinner area, Ridgetop, north, west, and northwest facing slopes of Bachelor Mtn. 762 Comment
  SBBG93070  Clarkia purpurea subsp. quadrivulnera G. Ballmer 1990-5-5 Riverside NE edge of San Jacinto Potrero Land grant, on a low ridge extending S into the valley 609 Comment
  SD185274  Clarkia purpurea subsp. quadrivulnera T. B. Salvato, Kent Beaman 2005-5-16 765 Riverside San Jacinto Mountain Foothills: San Jacinto River East of Valle Vista, just downstream from the Forest Service boundary and North of CA Highway 74. (Blackburn Canyon 7.5' Q.) Old Clearing. in the wash woodland; a single dense colony. 548 Comment
  SDSU13942  Clarkia purpurea subsp. quadrivulnera Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2133 Riverside Santa Margarita Ecological Reserve (SDSU), southeastern region, ca. 1/4 mile north of El Valle meadow. 646 Comment
  UCR80803  Clarkia purpurea subsp. quadrivulnera Scott D. White 1993-5-29 1460 Riverside San Bernardino Mtns, Banning Canyon & Big Oaks Canyon along the road to Raywood Flat on Yucaipa Ridge 1372 Comment
  RSA771878  Clarkia similis Steve Boyd 2010-5-28 12288 Riverside Elsinore Peak, northern flank of knoll south of peak, south of Main Divide Road 1037 Comment
  UCR281530  Clarkia similis Mitch Provance, Matt K. Beyers, John Hazlett 2017-3-30 317- 89 Riverside Temescal Valley, S of the 15 Fwy., 0.3 miles W of Hostettler Rd. 384 Comment
  RSA593976  Clarkia unguiculata D. L. Banks, Elizabeth Hedge Banks 1996-5-2 961 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve, approximately 20 m inside the preserve boundary gate, 3 m E of the main road along a open field. 448 Comment
  UCR174965  Claytonia parviflora Teresa Nieto 2005-4-24 22 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  UCR220120  Claytonia parviflora D. E. Bramlet 1989-4-7 1819 Riverside Perris-Aguanga Basin region, Lake Skinner County Park, southeast slope of Bachelor Mountain, c. 3200 ft. NW of Rawson Canyon & 8300 ft. east of Lake Skinner dam 476 Comment
  UCR59680  Claytonia parviflora subsp. viridis Steve Boyd, T. S. Ross, L. Arnseth 1989-3-18 2975 Riverside Peninsular Range, Vail Lake area, Temecula Creek Cyn below Vail Lake dam 418 Comment
  UC1537252  Claytonia perfoliata subsp. mexicana Gordon H. True Jr. 1935-3-1 36 Riverside Gavilan Hills 548 Comment
  RSA522769  Clematis pauciflora Steve Boyd, Tim S. Ross, Laurel Arnseth 1990-3-29 3876 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
  POM293219  Cleome isomeris Lyman Benson 1945-3-29 11628 Riverside Canyon on Palm Springs Road, Colorado Desert, Little San Bernardino Mountain. 610 Comment
  UC1281118  Coleogyne ramosissima H. E. McMinn 1937-3-5 4491 Riverside ne part Cottonwood Mts. Comment
  JEPS24218  Collinsia concolor Peter H. Raven 1958-5-18 13004 Riverside Pinyon Flats San Jacinto Mountains (near stream) Comment
  HSC85286  Convolvulus simulans Steve Boyd 1986-5-1 1787 Riverside SW Perris Basin: Hill W of Skunk Hollow. Comment
  UCR166078  Conyza canadensis John F. Green 2005-2-10 s.n. Riverside Perris-Aguanga Basin, Moreno Valley; N of the 60 Fwy, NW block at intersection of Lasselle St and Ironwood Ave 573 Comment
  POM49860  Corethrogyne filaginifolia P. A. Munz, I. M. Johnston 1924-7-29 8858 Riverside 5 miles SE of Poppet Flat, San Jacinto Mtns. 1372 Comment
  RSA699809  Corethrogyne filaginifolia Scott D. White, Michael Honer 2003-4-4 8937 Riverside Temescal Valley: Dissected bajada bench, below and east of Horsethief Canyon; immediately S of I-15 Freeway. 366 Comment
  SEINET11839639  Corethrogyne filaginifolia var. bernardina C. W. Tilforth, Wisura, W. 1979-1 1892 Riverside along Hwy 243, 5.6 mi S of jct with Hwy 10, S of Banning 1036 Comment
  SDSU12966  Corethrogyne filaginifolia var. filaginifolia Michael G. Simpson 1999-10-27 2034 Riverside Adjacent to Santa Margarita river, Santa Margarita Ecological Reserve, San Diego State University, ca.1/2 mile from Southside Facilities. 152 Comment
  CLARK-A1528-200  Cotula australis Susan Larisch 1963-2-20 12 Riverside Highgrove Comment
  RSA645678  Cotula australis Scott D. White 1999-5-2 7286 Riverside Perris Basin: Perris / Sun City area. Just east of Goetz Rd. and south of Ethanac Rd., ca. 1.5 - 2 mi. W of I-215 freeway. 442 Comment
  CAS-BOT-BC427597  Crassula aquatica Robert F. Thorne; E. Lathrop; O. Clark; S. Carlquist 1968-4-18 37460 Riverside Santa Rosa Plateau: on Mesa de Colorado, Rancho California 670 Comment
  SD262269  Crassula aquatica Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317 34 Riverside Perris - Aguanga Basin: Menifee, SE corner of Musick Rd. and Murrieta Rd. Vernal pool. 454 Comment
  UCR111067  Crassula aquatica D. E. Bramlet 1998-4-21 2601 Riverside maintenance road adjacent to (east of) the MWD canal & approximately 488m north from the canal crossing at the existing weather station, 701 m east of Hwy 79 and 1.22 km south of Holland Road, 50m west of the Shipley Reserve. 450 Comment
  RSA613463  Crassula connata D. L. Banks, Victor Steinmann 1997-3-13 1429 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  SEINET3089348 Image available Crassula connata A. C. Sanders, L. Lubinsky, A. Knapp, P. MacKay & C. L. Sanders 1995-2-12 15920 Riverside Colorado Desert; Coachella Valley, alluvial fan below the Little San Bernardino Mtns., Fargo Canyon Rd. 1.35 mi E of Dillon Rd. 98 Comment
  UCR116463  Crassula connata A. C. Sanders, T. B. Salvato 2001-3-30 23860 Riverside Perris-Aguanga Basin region, Temecula, Long Canyon west of Del Rey Rd., along bottom of canyon west of junction of Av. Pina Colada 366 Comment
  UCR280823  Cressa truxillensis T. B. Salvato, Gregg Miller 2005-6-3 1367 Riverside Peninsular Range; Perris-Aguanga Basin Region, San Jacinto River c. 2.5 mi SSW of Perris, 1.5 mi downstream of Goetz Road where the river leaves the Perris Plain and enters the hill area above Railroad Canyon 427 Comment
  UCR93050  Cressa truxillensis Steve Boyd, D. L. Banks 1994-9-29 8373 Riverside Lake Elsinore, Floodplain east of dike along San Jacinto River, west of Sedco Hills community 381 Comment
  SBBG118801  Crocanthemum scoparium S. D. White 1999-11-12 7629 Riverside Murrietta area, corner of Nutmeg and Clinton Keith; T7S R3W S4 410 Comment
  CAS-BOT-BC181563  Crossosoma bigelovii A. C. Sanders; K. Rose 1995-4-5 16349 Riverside Alluvial slopes and foothills S of Mission Creek and E of Hwy 62 - San Bernardino Mtns./Coachella Valley 701 Comment
  CLARK-A1528-432  Croton californicus John C. Roos 1951-9-25 5297 Riverside Santa Ana River 259 Comment
  HSC66727  Croton californicus D. Goforth, D. Reed 1980-3-25 361 Riverside Hwy. 195, 6 mi. E of Mecca, Box Canyon, Mecca Hills. 122 Comment
  JOTR28934  Croton californicus La Doux, Tasha, Bill Truesdell, Erin Babich 2005-3-7 1168 Riverside Joshua Tree National Park. Eagle Mountains, southeast end near Pinto Wells 316 Comment
  LA211610  Croton californicus Mark A. Elvin; 1998-5-12 857 Riverside Along Santa Ana River between Colton and Riverside. 271.0 Comment
  RSA480584  Croton californicus Elbert Benjamine 1929-4-7 121 Riverside San Gorgonio Pass. Comment
  RSA651553  Croton californicus Brinkerhoff 1949-2-20 s.n. Riverside Thousand Palms, Colorado Desert. 762 Comment
  RSA785951  Croton californicus J. Andre, G. L. Clifton 2011-2-22 17471 Riverside Coachella Valley; just south of I-10 at Amtrak train station parking, just west of N Indian Canyon Drive 186 Comment
  CDA14351  Crypsis schoenoides D. Domenigoni 1997-7-21 s.n. Riverside West Coast Turf, 31755 Winchester Road, Winchester. 0 Comment
  RSA675836  Crypsis schoenoides Scott D. White 2001-7-9 8716 Riverside MENIFEE: Ca. 1 mile southwest of Bell Mtn. and 1/2 mile east of I-215 Freeway. 445 Comment
  UCR234326  Cryptantha A. C. Sanders, John F. Green 2012-4-6 40006 Riverside Peninsular Range; Santa Ana Mtns. Area, Temescal Canyon, side canyon above washout along old (c. 1926) Corona-Elsinore RR route, between I-15 and Temescal Cyn. Rd., c. 10 miles south of Corona 319 Comment
  UCR261483  Cryptantha A. C. Sanders, Katie Young, John Hale 2015-4-22 41588 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
  POM265289  Cryptantha angustifolia I. L. Wiggins 1937-3-9 8754 Riverside 5 miles west of Shaver's Well. Comment
  RSA4903  Cryptantha angustifolia C. B. Wolf 1932-4-27 3019 Riverside Colorado Desert, 17 miles E of Mecca on the Blythe road. 152 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
  SEINET3083658 Image available Cryptantha angustifolia Robert F. Thorne, Drs. Fosberg, Sachet, & Herbst 1983-4-23 55469 Riverside San Bernardino Mts: Side-canyon on W side of Whitewater canyon, ca 3.3 mi N of Whitewater Post Office 594 Comment
  UCR214279  Cryptantha angustifolia A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley 2010-3-16 37498 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
  UCR245922  Cryptantha angustifolia Naomi Fraga, David Fracker, Thomas Stoughton 2012-3-15 3949 Riverside Sonoran (Colorado) Desert, off of Box Canyon Rd., south of Shaver Well in a wash 229 Comment
  UCR85076  Cryptantha angustifolia A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-12 16020 Riverside Sonoran (Colorado) Desert, Coachella Valley, City of Indio, just SW of Whitewater River channel at Auto Center Drive (Hwy 111) -7.5 Comment
  POM368279  Cryptantha barbigera Ora M. Clark 1929-2-23 s.n. Riverside North Whitewater., 35 deg 55 30 N 116 deg 38 15 W Comment
  RSA0031380  Cryptantha clevelandii E. W. Lathrop 1966-5-8 6413 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  SEINET4560315  Cryptantha costata Duncan S. Bell 2009-1 243 Riverside Arica Mountains; northeast of range, approximately 2.25 air miles southwest of the ghost town of Rice 224 Comment
  RSA0123678  Cryptantha decipiens Duncan S. Bell, LeRoy Gross 2016-3-9 8863 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
  RSA605175  Cryptantha dumetorum A. C. Sanders, P. Mackay, M. Jacobsmyer, C. L. Sanders 1995-3-5 15999 Riverside colorado Desert: Orocopia Mtns, Maniobra Valley, 1.6-3 miles S of frontage road (old 60) along I10, S to ege of BLM wilderness. 556 Comment
  SEINET4565900  Cryptantha dumetorum Duncan S. Bell 2010-4-2 700 Riverside Sonoran (Colorado) Desert; Arica Mountains: along jagged ridgeline of mountain range; in the Palen/McCoy wilderness; on a sand ramp located just below the ridgeline on the eastern side that was trapped between the ridgeline and the steep narrow rocky canyons below it 595 Comment
  UC78484  Cryptantha dumetorum Marcus E. Jones, A. M. 1903-5-11 Riverside Whitewater, close to station Whitewater 304 Comment
  CAS-BOT-BC218800  Cryptantha holoptera Marcus E. Jones 1906-4-25 s.n. Riverside West of Yuma Comment
  CAS-BOT-BC227841  Cryptantha inaequata Dave Silverman 2010-3-24 7825 Riverside South Palen Lake, Chuckwalla Valley, 5.0 km SE of Sidewinder Well, 2.4 km SW of Palen Dunes Dr., and 3.7 km N of Interstate 10 130 Comment
  RSA559332  Cryptantha intermedia Steve Boyd, Tim Ross 1992-5-15 7410 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 670 Comment
  RSA732137  Cryptantha intermedia J. Andre 2006-4-26 8151 Riverside Joshua Tree National Park: upper Long Canyon. 1056 Comment
  RSA747281  Cryptantha intermedia Orlando Mistretta 1992-6-10 522 Riverside Cleveland National Forest: Along old road coming off 3504 W of Sierra Peak. Head of road. Comment
  RSA771784  Cryptantha intermedia Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4577 Riverside San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm). 609 Comment
  RSA771785  Cryptantha intermedia Orlando Mistretta, Duncan Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4703 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65124 604 Comment
  SD137841  Cryptantha intermedia Darin L. Banks, Steve Boyd 1995-5-3 255 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, East of the Dripping Springs Alcove Area, along the lower alluvial benches ofArroyoSeco 518 Comment
  SEINET3101919  Cryptantha intermedia Marc A. Baker, with Michelle Cloud-Hughes 2011-6-10 17362 .1 Riverside along Morris Ranch Road, 400m north of Kenworthy Station, 4km west of Butterfly Peak, west base of San Jacinto Mountains, Garner Valley, just east of Thomas Mountain Comment
  UC1606965  Cryptantha maritima Robert F. Thorne, W. Wisura, A. Shmida, and R. Whittaker 1978-4-23 52033 Riverside Palms to Pines Highway San Jacinto Mountains, Chino Canyon Comment
  UCR18174  Cryptantha maritima A. C. Sanders 1978-4-2 00202 Riverside Coachella Valley, Hidden Valley, near the mouth of Deep Canyon 183 Comment
  UCR41597  Cryptantha maritima A. C. Sanders, B. Pitzer, D. Charlton, , J. Kniffen, R. Kniffen 1986-3-3 6121 Riverside Sonoran (Colorado) Desert, Corn Spring, Chuckwalla Mtns. wash below the spring and wash and rocky slopes to the south 489 Comment
  VVC2459  Cryptantha maritima var. pilosa Tim Thomas 2013-3-18 5941 Riverside Sonoran Desert, 10 miles WSW of Blythe NE of Mule Mtns. 116 Comment
  SEINET2075873  Cryptantha micrantha G. Rink 1999-5-20 Riverside San Jacinto Mountains, Goff Flat at Morris Ranch Rd., SE of Idyllwild 1500 Comment
  CLARK-A1528-2222  Cryptantha micrantha subsp. lepida John C. Roos 1947-5-24 3648 Riverside San Jacinto Mountains Comment
  RSA608561  Cryptantha micrantha var. lepida R. S. Woglum 1941-6-12 3055 a Riverside Idyllwild 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
  SEINET3004920  Cryptantha microstachys G. Rink 2010-10-3 10338 Riverside Plains east of the McCoy Mtns., north of Blythe 152 Comment
  UCR121319  Cryptantha microstachys A. C. Sanders, Mark Elvin, Julie M. Vanderwier 2002-4-22 25013 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 549 Comment
  UCR20701  Cryptantha microstachys A. C. Sanders 1980-5-14 1458 Riverside Peninsular Range, south side of Hwy 79, 0.8 mi SE of Radec 559 Comment
  UCR98694  Cryptantha microstachys 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
  CLARK-A1528-2227  Cryptantha muricata var. jonesii John C. Roos 1950-4-15 4732 Riverside Reche Canyon 792 Comment
  RSA0079441  Cryptantha muricata var. jonesii Steve Boyd, Timothy S. Ross, Kyle Boyd 1989-6-24 3749 Riverside Vail Lake area, near summit of 'Little Oak' Mtn. along road. 627 Comment
  OBI66287  Cryptantha nevadensis LeRoy Gross, Leland Lubinsky, Victor Steinmann, Linda Worlow 2005-2-17 1450 Riverside Colorado Desert; Chocolate-Chuckwalla Mts region; Corn Springs campground in the Chuckwalla Mts. cyn SW of campground. UTMs 3721895N, 355238E; and UTM 3720669N, 654757e 549 Comment
  UCR75086  Cryptantha nevadensis A. C. Sanders, E. J. Lawlor 1992-4-4 12144 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  RSA0120468  Cryptantha oxygona Duncan S. Bell 2016-4-16 9313 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  UC1063857  Cryptantha pterocarya H. S. Yates 1937-3-24 6456 Riverside Deep Canyon Thermal Quad. 609 Comment
  POM13228  Cryptantha racemosa E. C. Jaeger 1921-03 1117 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
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Feb 18 2013
  JOTR37475  Cryptantha utahensis Hodges, Stephen, T. Green 2016-5-5 596 Riverside Joshua Tree National Park. Little San Bernardino Mountains; canyons below Upper Covington Flats, southwest of Covington Crest trail (Stop 2) Comment
  RSA792480  Cucurbita palmata Justin M. Wood, Dustin Ray 2011-4-28 3849 Riverside Sonoran Desert: Chuckwalla Valley; Eagle Mountain Road, 2.8 miles west of Desert Center and 0.9 miles north of I-10. 312 Comment
  CLARK-A1528-422  Cuscuta californica var. papillosa C. M. Flanagan 1973-6-13 OO 713 Riverside Morongo Indian Reservation 975 Comment
  CDA39945  Cuscuta campestris R. Davis 1960-5-24 s.n. Riverside 0 Comment
  UCD84491  Cuscuta denticulata Chuck Hughes 2010-6-11 147 Riverside Abandoned Rice military airfield, about 0.4 mile south of Highway 62. 269 Comment
  SBBG65465  Cycloloma atriplicifolium R. Hoffmann 1929-9-4 Riverside Wineville [Mira Loma] Comment
  UCR207985  Cycloloma atriplicifolium L. C. Wheeler 1932-7-9 938 Riverside Santa Ana River at Chino Creek, (El Rincon) Corona 152 Comment
  RSA0114881  Cylindropuntia Marc A. Baker, Michelle Cloud-Hughes 2011-12-19 17510 Riverside Corn Springs Wash, 830 m ENE of Aztec Spring, 12 km SSE of Desert Center, north side of Chuckwalla Mountains, 84 km east of Indio. 498 Comment
  RSA0097557  Cylindropuntia bigelovii Marc A. Baker, Michelle Cloud-Hughes 2015-3-25 18290 Riverside Chuckwalla Bench, 64 km WSW of Blythe, 3.3 km SSW of Augustine Pass. 670 Comment
  SEINET3272855  Cylindropuntia californica var. parkeri Marc A. Baker, Michelle Cloud-Hughes 2012-11-16 17636 .5 Riverside Aguanga 7.5' USGS topographic quadrangle Zone; 2.1 km east-northeast of the summit of Billy Goat Mountain, 5 km north-northeast of Aguanga, 75 km southeast of Riverside. 867 Comment
  SEINET5624469 Image available Cylindropuntia chuckwallensis Marc A. Baker 2013-3-20 17720 .3 Riverside 800m south of Smoke Tree Wash, 5.5 km north of Cottonwood Spring, 40 km NE of Indio 945 Comment
  UCD97943  Cylindropuntia ramosissima William H. Brooks 24-25 Feb 1989 s.n. Riverside McCoy Wash, north of Blythe. 579 Comment
  RSA549282  Cyperus acuminatus Steve Boyd, Timothy S. Ross, D. Zippin, T. Oberbauer 1991-6-14 s.n. Riverside Skunk Hollow area, 2 miles E of Murrieta Hot Springs, just W of Second San Diego Aquaduct. Comment
  SEINET269470  Cyperus esculentus Scott D. White, Steve Ogg 1994-10-17 2469 Riverside Temecula Valley, Murrieta Creek 1000 ft. south of Winchester Road bridge (Banana Avenue on USGS Murrieta quad photorev. 1979). 300 Comment
  SBBG59187  Cyperus odoratus S. B. Parish 1891-11-3 Riverside Elsinore Lake Comment
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Aug 8 2010
  SEINET3909845  Cyperus odoratus John R. Crutchfield 1965-6-16 219 Riverside Lost Lake Resort, 14 miles south of Vidal.; 0 Comment
  JOTR38527  Dalea mollis Harding, Mitzi, Kipp Callahan 2012-8-27 296 Riverside Joshua Tree National Park. Pinto Basin, along southern edge of Pinto Mountains; along Old Dale Road, near Sunrise Mill Comment
  UCR97749  Dalea mollis Michael D. Wilcox, Stephen J. Myers 1995-5-27 s.n. Riverside NE Colorado Desert, Cadiz Valley near the San Bernardino Co. line 270 Comment
  SEINET10452143  Dalea mollis Ernest J. Palmer 1946-2-22 Palmer 1957 Riverside Collected in mud flats dry and caked and split. All american cana catch basin From desert washes. Oracopia mts n east of the saltan sea. Very arid country. Comment
  SD27946  Dalea mollissima Carl B. Wolf 1932-4-27 2994 Riverside 14 miles east of Mecca, on Blythe Road. 500 Comment
  SEINET6656750  Dalea schottii Lewis S. Rose 1957-1-11 57029 Riverside La Quinta.; 0 15 Comment
  RSA782036  Dasyochloa pulchella Duncan S. Bell 2011-10-22 2979 Riverside Arica Mountains: west side of the mountain range, approximately 2.6 air miles west of Priests Well, and approximately 6.8 air miles southwest of the ghost town of Rice. 437 Comment
  UCSB43913  Dasyochloa pulchella Oberholtzer, M. 1980-3-30 Riverside Willey's Well, 10.0 mi SE of Blythe, 0.25 mi N of parking lot on trail to geode diggings 76 Comment
  UC1532803  Datisca glomerata Robert F. Thorne, C. W. Tilforth, L. DeBuhr and E. Lathrop 1975-8-29 47299 Riverside along Tenaja Creek, Cleveland National Forest Tenaja Creek; Santa Rosa Plateau, Cleveland National Forest, Tenaja Creek Comment
  UCR193503  Datisca glomerata A. C. Sanders, Tim Thomas, T. B. Salvato, Mitch Provance 2008-7-1 35647 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 1555 Comment
  RSA792556  Datura discolor Duncan S. Bell 2012-9-13 4183 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
  POM319103  Datura stramonium Patricia Wilder 1970-10-30 4854 Riverside Along road on south side of Prado Flood Control Basin east of Prado Dam. East of Chino Hills, Santa Ana River Drainage Area. 152 Comment
  CAS-BOT-BC294115  Deinandra kelloggii L. R. Abrams 1912-7-11 4921 Riverside Sugar Loaf [Sugarloaf] Valley Comment
  SD134525  Deinandra kelloggii Craig Reiser 1988-6-20 Riverside North Mountain, east of San Jacinto Comment
  UC1792826  Deinandra kelloggii A. C. Sanders 2004-4-9 27469 Riverside San Jacinto Valley; Tres Cerritos, ca. 3 miles WNW of Hemet, east of the Lakeview Mtns., alluvial slope in mouth of large canyon on south side 472 Comment
  RSA674653  Deinandra mohavensis Scott D. White 2000-8-22 8123 Riverside Gibbel Flat in the Santa Rosa Hills. 610 Comment
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Dec 16 2012
  CAS-BOT-BC131040  Deinandra paniculata A. C. Sanders; Chet McGaugh 1991-7-19 11155 Riverside Murrieta Hot Springs, on the S side of Murrieta Hot Springs Road, E of Via Princesa & N of Calle del Lago 347 Comment
  RSA759101  Deinandra paniculata Robt Allen, Linnell R. Allen 2008-7-27 s.n. Riverside South Main Divide Road, 4.7 road mi. SE of junction with Ortega Hwy (SR74). Just S of the gated entrances to Rancho Capistrano housing developments. 938 Comment
  SD233743  Deinandra paniculata A. C. Sanders, Kelly Volansky 2003-10-16 27335 Riverside Moreno Valley: lower Pigeon Pass Valley, NE corner of intrsection of Old Lake Dr. and Pigeon Pass Rd. Alluvial slopes and low hills cut by sandy washes. 534 Comment
  SJSU5503  Delairea odorata R. A. Anderson 1964-12-25 Riverside Riverside 259 Comment
  RSA301798  Delphinium parishii James E. Cole 1942-5-10 951 Riverside Joshua Tree National Monument. 1341 Comment
  RSA777348  Delphinium parishii Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4704 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Cyn. Along Whitewater River drainage and adjacent slopes below Whitewater Visitor Center (Whitewater Trout Farm)., Between N33.97538, W116.65161 and N33.97538 and W116.65119. 604 Comment
  UCR201620  Delphinium parryi Scott D. White, Justin M. Wood 2008-6-16 12145 Riverside San Jacinto Mountains, meadow at Quinn Flat 1378 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
  UCSB12149  Delphinium parryi Suter, Richard 1961-5-7 Riverside Idylwild - Banning road in the San Jacinto Mountains; 6.9 miles south of its turnoff from U.S. Highway 60,70,99 at Banning 1280 Comment
  CAS-BOT-BC121422  Delphinium parryi subsp. parryi Steve Boyd 1986-4-22 1766 Riverside Temescal Canyon: Terrace escarpment W side of Indian Wash, S of I-15. Comment
  CAS-BOT-BC121427  Delphinium parryi subsp. parryi H. Lewis 1941-7-7 s.n. Riverside Lake Hemet Comment
  SD152771  Delphinium patens subsp. hepaticoideum Steve Boyd 1992-4-15 6862 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. downstream to the confluence with San Mateo Creek 334 Comment
  CAS-BOT-BC82950  Dendromecon rigida A. M. White 1974-6-5 1362 Riverside Indian Road ca. 15 miles west Sun City. 1219 Comment
  RSA769032  Dendromecon rigida E. W. Lathrop 1973-6-28 7431 Riverside Mail Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  RSA433551  Dendromecon rigida subsp. rigida N. C. Cooper 1944-6-17 1437 Riverside San Jacinto Mountain. West side. 1372 Comment
  CAS-BOT-BC198168  Deschampsia danthonioides W. A. Silveus 1938-4-16 2644 Riverside Marsh flying field near Elsinore Comment
  RSA563862  Deschampsia danthonioides A. C. Sanders 1993-5-12 14017 Riverside Hemet, W side of Warren road, 1/2 mile S of Florida Ave. (Hwy 74), between the New San Diego Aqueduct and Warren, directly opposite of the W end of Whittier Road. 457 Comment
  JOTR16637  Descurainia pinnata subsp. glabra Wilburn and Walters 1967-3-7 s.n. Riverside Joshua Tree National Park. WHITE TANK 975 Comment
  RSA0123288  Descurainia pinnata subsp. glabra Duncan S. Bell, Larry Heronema, Isaac Marck, Evan Meyer 2016-3-22 9001 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 698 Comment
  RSA500069  Descurainia pinnata subsp. glabra Steve Boyd, Timothy S. Ross, L. Arnseth 1989-4-2 3242 Riverside Vail Lake area, Butterfield Valley, SE of Lake near Temecula Creek. 487 Comment
  RSA502502  Dicentra chrysantha Steve Boyd 1989-6-11 3722 Riverside Vail Lake area, recently burned hills SE of lake, S of Hwy 79. 488 Comment
  RSA751917  Dicentra chrysantha Scott D. White, Justin M. Wood 2009-5-22 12920 Riverside San Jacinto Mountains: Old Control Road, above Halfway Spring. 1159 Comment
  SEINET12044711  Dichelostemma capitatum F. A. Thackery 1927-1 289 Riverside Banning Comment
  POM1676  Dichelostemma capitatum subsp. pauciflorum I. M. Johnston 1917-4-4 s.n. Riverside Palm Canyon. Colorado Desert. Comment
  CHSC1758  Diplacus brevipes E. Thomas 1940-5-26 Riverside Temecula Canyon. Comment
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Mar 27 2011
  SD90541  Diplacus brevipes Robert F. Thorne, J. -P. Simon, C. W. Tilforth 1969-6-24 38099 Riverside San Bernardino National Forest, San Jacinto Mts.: Abobe James Reserve in Hall Canyon 1676 Comment
  SBBG14803  Diplacus clevelandii P. H. Raven 1962-5-18 17759 Riverside Main Divide Truck Trail 2.9 mi S of Santiago Pk 1234 Comment
  CAS-BOT-BC150675  Diplacus longiflorus P. C. Everett 1935-6-17 7147 Riverside Santa Ana Mts., Coldwater Can. Trail to Santiago Pk., 2 mi. above Glen Ivy Resort 609 Comment
  SD129536  Diplacus puniceus Steve Meyers 1990-3-21 Riverside Santa Rosa Plateau area; along Los Gatos Road, I(c) mi. S of Buena Vista Road (2 mi. W of Sandia Canyon, & 0.1 mi. N of San Diego County line 366 Comment
  SD245482  Diplacus puniceus Robert Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49535 Riverside Santa Ana Moutains: Along Ortega Highway (74). Comment
  CAS-BOT-BC153966  Diplacus rattanii John Thomas Howell 1931-5-30 6613 Riverside Santiago Peak, Santa Ana Mts. Comment
  SD136963  Distichlis spicata Steve Boyd, Tim Ross 1992-5-5 7252 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats along Serrano Spring drainage between Lucas Canyon Trail and junction of Bluewater and Verdugo Trails. Local and uncommon along small, flowing stream south of Serrano Spring 730 Comment
  SFV6324  Ditaxis lanceolata T. Gordon, M. H. Grayum, L. R. Ballou, S. Ballou, K. A. Wilson 1974-3-2 43 Riverside 5 miles north of Highway 111 on Highway 74. Growing adjacent to roadside. 100 Comment
  UCR233148A  Ditaxis lanceolata Jim Andre, Glenn L. Clifton 2011-2-22 17464 Riverside Mecca Hills, along Box Canyon Road, 10.3 mi northeast of town of Mecca 219 Comment
  UCR72236  Ditaxis lanceolata Theo Glenn 1991-5-27 91- 122 Riverside Sonoran (Colorado) Desert, Palen Mountains, NE of Desert Center 360 Comment
  UCSB3580  Ditaxis lanceolata Haller, John 1960-4-2 Riverside North base of Orocopia Mtns., 1.3 miles south of the junction of U.S. 60-70 and the south entrance road to Joshua Tree National Monument 487 Comment
  RSA778414  Ditaxis neomexicana Stephanie Rockwood, Christi Gabriel 2011-10-4 053 Riverside Red Cloud Wash Road exit from I10. Fellow Red Cloud Road approximately 6.4 miles. Near campground with car remnants. Chuckwalla Bench ACEC. 630 Comment
  RSA734742  Ditaxis serrata L. C. Wheeler 1946-1-19 6170 Riverside 2 mi. north of main highway on road to 29 Palms. Comment
  POM6879  Dithyrea californica P. A. Munz, L. T. Street, G. Williams 1919-3-26 2341 Riverside Mecca Oasis Date Ranch, roadside -46 Comment
  RSA21755  Dithyrea californica C. B. Wolf 1937-4-6 8427 Riverside Coachella Valley, 2 mi. NE. of Edom 30 Comment
  RSA278985  Dithyrea californica B. A. Prigge, L. Martinez 1978-3-23 2434 Riverside NW Colorado Desert, 1.2 miles E of Sky Valley near Dillon X Skyridge Roads. 335 Comment
  RSA530748  Dithyrea californica Martha Hilend 1928-3-9 63 Riverside Near White Water Bridge. Colorado Desert. Comment
  UCR241805  Dithyrea californica A. C. Sanders, Ann Howald 2013-2-28 40552 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 2.2 miles west of Hwy 78, 9.2 km SW (245 deg. ) of Ripley 96 Comment
  CAS-BOT-BC412630  Dodecahema leptoceras Mrs. J. D. Abrams 1901-5-1 s.n. Riverside Elsinore Comment
  RSA487199  Dodecahema leptoceras James L. Reveal 1988-5-23 6863 Riverside Along California Hwy 75 [74] at milepost 48, 3 miles E of Fairview Avenue in Valle Vista, N of the Hwy and south of the San Jacinto River. 610 Comment
  UC1606957  Dodecahema leptoceras Steve Boyd 1986-4-19 1692 Riverside e side of wash between I-15 and Temescal Canyon Road; Temescal Canyon, Indian Wash Comment
  RSA461476  Dodecatheon alpinum subsp. majus M. B. Dunkle 1933-7-22 3754 Riverside Tahquitz Valley. 2317 Comment
  UCR222311  Downingia bella R. F. Thorne, E. W. Lathrop, Steve Beckstrom-Sternberg, B. Martin 1982-1 55200 Riverside Peninsular Ranges; Santa Ana Mountains, SW of Murrieta, Santa Rosa Plateau, Mesa de la Punta near south edge of plateau, approached by De Luz Rd. 579 Comment
  POM13286  Draba cuneifolia var. integrifolia E. C. Jaeger 1920-3-1 1057 Riverside Palm Springs Comment
  POM9754  Draba saxosa E. C. Jaeger 1921-6-20 s.n. Riverside San Jacinto Mts. 1 mile below Round Valley. Comment
  RSA33532  Drymocallis glandulosa N. C. Cooper 1944-6-17 1377 Riverside Above Banning. 1067 Comment
  IRVC138  Dryopteris arguta R. H. Whittaker, W. A. Niering 1963-6-6 SJ 249 Riverside San Jacinto Mountains; Indian Creek. Peninsular Ranges 640 Comment
  RSA523531  Dryopteris arguta Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 3990 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  JEPS49889  Dudleya saxosa subsp. aloides W. L. Jepson 1914-5-18 6011 Riverside n Indio (Lookout Mtn near Pinon Well); Colorado Desert Comment
  POM311207  Dudleya saxosa subsp. aloides Karen Hosterman 1957-3-27 944 Riverside 1/2 mi. up Whitewater Canyon. Comment
  UCR236671  Echinochloa colona Fred M. Roberts, Michelle Balk 2006-8-24 6406 Riverside Perris Basin, Old Salt Creek drainage, Hemet at northwest corner of California Ave. and Marvin Hull Road 452 Comment
  UCR182093  Ehrharta longiflora Tom Chester 2005-4-15 580 Riverside Peninsular Ranges; Santa Ana Mountains region, Santa Margarita Ecological Reserve: Temecula Gorge, south side 239.3 Comment
  UC1147888  Elatine californica Robert F. Thorne, E. Lathrop, and P. Munz 1968-5-8 37560 Riverside Mesa de Colorado Santa Rosa Plateau (Rancho California) 670 Comment
  CAS-BOT-BC113430  Eleocharis bella Robert F. Thorne; E. Lathrop 1969-5-19 37954 Riverside Santa Rosa Plateau, wet muddy margin of N end of large vernal marsh, Mesa de Colorado, 624 Comment
  RSA706563  Eleocharis geniculata A. C. Sanders, P. J. MacKay, D. L. Sanders 2003-2-9 25686 Riverside Colorado Desert: Coachella Valley, 84th Avenue, east of Johnson St., near west edge of Salton Sea 67 Comment
  SD217164  Eleocharis macrostachya Steve Boyd 1986-5-1 1784 Riverside Southwestern Perris Basin: Hill west of Skunk Hollow Comment
  UCR6206  Eleocharis macrostachya D. Gordon 1952-5-19 s.n. Riverside San Bernardino Valley Region, Riverside, UCR campus 335 Comment
  RSA192308  Eleocharis montevidensis var. montevidensis E. W. Lathrop 1960-6-15 5014 Riverside 14 miles west of Murrieta Comment
  POM10225  Eleocharis palustris F. M. Reed 1907-6-9 1400 Riverside Cienega near Spring Brook [Pump?] House, above Fairmont Park. Comment
  RSA271870  Eleocharis palustris C. W. Tilforth, Walter Wisura 1978-7-25 1648 Riverside Stream parallel to Murrieta - De Luz Road, 1.9 mile west of Murrieta. Comment
  CAS-BOT-BC113304  Eleocharis parishii W. R. Dudley 1903-12-26 s.n. Riverside Palm Springs 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
  UCR271688  Eleusine indica Mitch Provance 2011-7-4 17181 Riverside San Bernardino Valley, Northwestern base of the Jurupa Mountains, adjacent to S side of Fontana (technically in an unincorporated part Riverside Co.), retention basin on S side of Philadelphia St., just E of Country Village Rd. 262 Comment
  SEINET10834346  Elymus elymoides David B. Dunn 1946-8-17 Dunn 2709 Riverside Grass found in Taquitz Valley in the San Jacinto Mts. 2560 Comment
  JOTR37442  Elymus elymoides subsp. elymoides Hodges, Stephen, T. Green 2016-5-24 564 Riverside Joshua Tree National Park. Little San Bernardino Mountains; Quail Mountain Complex; along social trail ascending from Quail Springs parking lot towards Johnny Lang Canyon (Stop 1). Comment
  UC188950  Elymus elymoides subsp. elymoides H. M. Hall 1899-5-25 1177 Riverside El Toro region San Jacinto Mountains Comment
  SD232143  Elymus glaucus Valerie Soza, Naomi Fraga 2003-6-25 1703 Riverside Peninsular Ranges, San Jacinto mountains region, slope above junction of Dark Canyon and Fuller Mill Creek. 455 Comment
  UCR240647  Elymus glaucus Tracy Tennant, Mitch Provance 1998-6-16 MOR- 413 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1098 Comment
  RSA591814  Elymus glaucus subsp. glaucus E. W. Lathrop 1973-6-28 7438 Riverside Main Divide Truck Trail between El Cariso and Santiago Peak, Cleveland National Forest. 1220 Comment
  UCR2361  Elymus glaucus subsp. jepsonii F. M. Reed 1908-7-13 2429 Riverside San Jacinto Mtns., Tahquitz Valley, north side 2561 Comment
  UC1931214  Elymus triticoides Scott D. White, Justin Wood 2008-7-8 12392 Riverside SAN JACINTO MTS: Johnson Meadow Comment
  UCR2371  Elymus triticoides F. M. Reed 1904-6-5 167 Riverside Riverside, outlet to dam in Fairmont Park Comment
  RSA787984  Emmenanthe penduliflora L. M. Prince, Duncan S. Bell 2009-5-17 568 Riverside Cleveland National Forest. Roadside. Comment
  SD38509  Emmenanthe penduliflora Edith A. Purer 1935-4-21 6470 Riverside Near Palm Springs Comment
  CAS-BOT-BC131350  Encelia farinosa Marcus E. Jones 1924-2-7 s.n. Riverside Salton Sink near Oasis Comment
  JOTR32046  Encelia farinosa La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell, D. Shade 2011-4-26 2275 Riverside Joshua Tree National Park. Pleasant Valley, southwestern edge of Hexie Mountains; granite and basalt rocky slopes above bouldery draws feeding into Pleasant Valley (Stop 3) 1041 Comment
  UC809737  Encelia farinosa E. K. Balls 1949-4-2 12903 Riverside near Durmid (on Highway 111 and slopes toward Salton Sea); Colorado Desert -67 Comment
  UCR250882  Encelia farinosa S. J. Myers, Jennifer Tobin, Michelle Tobin 2013-3-13 1051 Riverside Lakeview Mountains, along powerline access road 0.22 mi. NE (25 deg. ) of intersection of Contour Ave. & Truffaut Dr. 613 Comment
  SEINET4560237  Encelia frutescens J. Andre 2012-1 21367 Riverside Palen Valley; along Palen Pass Rd (dirt) 1.2 mi. east of Hwy 177 184 Comment
  UCR279394  Encelia frutescens A. C. Sanders, Jim Malusa 2017-3-25 43010 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Arroyo Seco, 3.5-4 km south of Augustine Pass, 100-200 m S of Bradshaw Trail, c. 1.5 km N of Imperial Co. line 652 Comment
  SD229014  Ephedra aspera Dick Schwenkmeyer, Tony Harper - Collector 2013-5-8 898 Riverside Agua Bonita Spring, Palm Canyon, approx. 8 Mi. S. of Catherdral City 883 Comment
  NY43333  Ephedra californica C. R. Annable 1995-3-9 2252 Riverside Ca. 14.5km NW of Palm Springs, N slope of Whitewater Hill Comment
  RSA304959  Ephedra californica S. Carlquist 1982-4-18 15673 Riverside Sandy flats 16.4 miles north of entrance (from Highway 10) to Joshua Tree National Monument. Comment
  RSA735322  Ephedra californica Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11260 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
  UC667372  Ephedra californica Annie M. Alexander and Louise Kellogg 1941-5-15 2183 Riverside n base Eagle Mountains Colorado Desert, Eagle Mountains (in rock outcrop) 914 Comment
  SEINET8714360 Image available Ephedra californica F. A. Thackery 1928-1 254 A Riverside White Water Comment
  UC813700  Ephedra nevadensis I. W. Clokey 1935-4-17 6509 Riverside Cottonwood Springs Colorado Desert, Cottonwood Springs Comment
  UCR137682  Ephedra nevadensis A. C. Sanders, P. J. MacKay, M. Jacobsmyer, C. L. Sanders, et al. 1995-5-5 15986 Riverside Sonoran (Colorado) Desert, Orocopia Mountains, Manirobra Valley, 1.6-3 mi south of frontage road (old 60) along I-10, S to edge of BLM wilderness 187 Comment
  CAS-BOT-BC81876  Ephedra trifurca Carl B. Wolf 1932-4-29 3122 Riverside Eastern Colorado Desert, 3 mi. So. of Rice on Blythe Road 213 Comment
  RSA740252  Epilobium brachycarpum Scott D. White, Justin M. Wood 2008-7-9 12406 Riverside San Jacinto Mountains: Johnson Meadow. 1415 Comment
  UCR101463  Epilobium brachycarpum A. C. Sanders, K. C. Rose 1998-9-29 22248 Riverside San Jacinto Valley, west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills 459 Comment
  UCR159203  Epilobium brachycarpum A. C. Sanders, Kelly Volansky 2005-8-31 31579 Riverside Santa Ana Mtns. Region, Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Rd., c. 0.5 mi. N of Tenaja Rd. 701 Comment
  UCR96253  Epilobium brachycarpum Scott D. White 1996-8-1 4415 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, Hwy 243 at Deer Springs trailhead and adjacent area 1829 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
  RSA588530  Epilobium canum subsp. latifolium J. S. Stubblefield 1932-10-10 s.n. Riverside Near Colorado River. Comment
  UC20050  Epilobium ciliatum subsp. glandulosum H. M. Hall 1901-7-24 2562 Riverside small spring on steep n side San Jacinto Mountains Comment
  UC1931076  Epilobium densiflorum Scott D. White, Justin Wood 2008-7-9 12427 Riverside San Jacinto Mountains: K Flat, from large pond downstream to meadow. Comment
  UC1514825  Epipactis gigantea George Henry Grinnell 1924-5-24 Riverside Riverside Comment
  UCR202585  Equisetum arvense Scott D. White, Justin M. Wood 2008-7-8 12373 Riverside San Jacinto Mountains, Hurkey Creek Watershed - Bonita Vista Road, c. 1/2 mi east and west of Hurkey Creek crossing 1537 Comment
  UCSC001069  Equisetum hyemale subsp. affine Peter Kamb 1948-10-31 1277 Riverside Hall Canyon, San Jacinto Mts 1646 Comment
  POM11835  Equisetum laevigatum P. A. Munz, I. M. Johnston 1922-5-21 5515 Riverside Kenworthy, San Jacinto Mountains 1524 Comment
  RSA737222  Eragrostis cilianensis Justin M. Wood 2008-9-30 181 Riverside Temecula - Murrieta Creek, downstream of 1st street bridge. 293 Comment
  UCR93229  Eragrostis cilianensis A. C. Sanders, S. Ogg 1994-7-28 15170 Riverside Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge 243 Comment
  UCR225723  Eragrostis curvula A. C. Sanders 2011-3-30 38904 Riverside Peninsular Range, city of Lake Elsinore, old section of Hwy 74 (bypassed) west of Ardenwood Way, curving around a rocky hill 424 Comment
  UCR108723  Eremalche exilis Scott D. White, Pam DeVries 1998-3-3 6089 Riverside Sonoran (Colorado) Desert, La Quinta/ Palm Desert area, Whitewater River channel at and near Miles Avenue crossing. 30 Comment
  UCR131726  Eremalche exilis C. B. Wolf 1932-4-27 03027 Riverside Western Colorado Desert, Chuckwalla Valley, Mecca to Blythe road [Hwy 10], 0.75 mile west of Utopia 152 Comment
Read comments
Dec 12 2011
  JEPS68612  Eremalche rotundifolia W. L. Jepson 1927-4-12 11680 Riverside Painted Canyon Colorado Desert, Mecca Hills, Painted Canyon 76 Comment
  LA212268  Eremalche rotundifolia Lee Haines; 1973-3-25 s.n. Riverside OROCOPIA MOUNTAINS, 472 Comment
  UC17608  Eremocarpus setiger Geo. F. Reinhardt June, 1897 Riverside San Jacinto Valley Comment
  JOTR33990  Eremothera boothii subsp. desertorum La Doux, Tasha, M. Harding 2010-4-7 2878 Riverside Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View with cobble benches above wash Comment
  UCR279387  Eremothera chamaenerioides A. C. Sanders, Jim Malusa 2017-3-24 42984 Riverside Sonoran (Colorado) Desert, northern end of Chocolate Mountains, in canyon draining south toward Iris Wash, c. 3.5 km ESE of Iris Pass 701 Comment
  JOTR36442  Eremothera refracta La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3412 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
  UCR279551  Eremothera refracta A. C. Sanders, Jim Malusa 2017-3-29 43175 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, large canyon 4 km SSE (164 deg. ) of the confluence of Red Canyon and Salt Creek 518 Comment
  RSA0105461  Eriastrum densifolium subsp. austromontanum J. T. Howell 1927-8-2 574 Riverside Road to Hemet, Mt. San Jacinto. 1372 Comment
  UCR19160  Eriastrum densifolium subsp. densifolium John C. Roos 1965-7-22 s.n. Riverside San Jacinto Mtns, near Mountain Center 1372 Comment
  UCR35047  Eriastrum densifolium subsp. densifolium L. B. Ziegler 1967-5-31 137 Riverside San Jacinto Mtns, Pinyon Flats 1220 Comment
  CSUSB1768  Eriastrum eremicum Wayne White 1975-5-24 Riverside Chuckwalla Mountains Chuckwalla Mountains. On Highway I-10 to Red Cloud Road. Colorado Desert. 609 Comment
  UCR104932  Eriastrum sapphirinum A. C. Sanders, Pam MacKay, Tim Thomas & O. F. Clarke 1997-5-4 20680 Riverside San Jacinto Mountains, N side of the range, Twin Pines Creek drainage, dry slopes above Brown Creek 915 Comment
  RSA0080943  Eriastrum sapphirinum subsp. dasyanthum Sarah J. De Groot, Duncan S. Bell 2015-5-14 7374 Riverside White Water, along Pacific Crest Trail about 400 m south of Forks 3028, and about 450 m south of Red Dome. Southeast side of San Bernardino Mountains. 768 Comment
  RSA0121573  Eriastrum sapphirinum subsp. dasyanthum J. B. Feudge 1924-5-20 898 Riverside Cabazon, Colorado Desert 542 Comment
  RSA0122957  Eriastrum sapphirinum subsp. dasyanthum Ed LaRue 1989-4-25 s.n. Riverside 2 mi (airline) NW of Lake Elsinore, adjacent to Cleveland National Forest; at mouths of Rice and McVicker Canyons. 488 Comment
  RSA0122947  Eriastrum sapphirinum subsp. dasyanthum L. C. Wheeler 1962-7-26 8180 Riverside Temescal Valley. Comment
  CAS-BOT-BC515039  Eriastrum sapphirinum subsp. sapphirinum Carl B. Wolf 1932-8-4 3915 Riverside San Jacinto Mts., Point View, near Idyllwild 1645 Comment
  RSA0122974  Eriastrum sapphirinum subsp. sapphirinum H. M. Hall 1901-08 2635 Riverside San Jacinto Mountains. The south side. 1585 Comment
  UCSB12338  Ericameria cooperi Dearing, Hugh; Dearing, Margaret 1936-12-25 Riverside Long Canyon, Colorado Desert Comment
  UCR232778  Ericameria cuneata William Schlegel, Kate Kramer 2009-11-9 062 Riverside Peninsular Range; San Jacinto Mtns., Keenwild Helibase, right below the landing platform and on edge of platform 1509 Comment
  CAS-BOT-BC298878  Ericameria nauseosa var. bernardina Marcus E. Jones 1924-8-29 s.n. Riverside Idyllwild, San Jacinto Mts Comment
  JEPS30388  Ericameria nauseosa var. bernardina William M. Klein 1960-8-22 1587 Riverside n of Idyllwild (along trail to Suicide Rock); San Jacinto Mts., Mt. San Jacinto, Suicide Rock Comment
  CAS-BOT-BC299527  Ericameria palmeri var. pachylepis H. M. Hall 1930-11-9 13026 Riverside Aguanga Hills 5 mies from Aguanga Comment
  UCR9134  Ericameria palmeri var. pachylepis O. F. Clarke 1969-10-14 s.n. Riverside Box Springs Mtns, Riverside, UCR campus, by entrance to Botanic Gardens 335 Comment
  UCR201444  Ericameria parishii Scott D. White, Justin M. Wood 2008-7-10 12453 Riverside San Jacinto Mountains, Fobes Spring 1500 Comment
  UC64798  Ericameria parishii var. parishii E. A. Zumbro 1904-1-1 436 Riverside Cold Water Canyon Santa Ana Mts, Cold Water Canyon Comment
Read comments
Jan 11 2007
  UCR94944  Ericameria parryi Scott D. White 1996-8-16 4488 Riverside Peninsular Range; San Jacinto Mtns., Idyllwild area, SW of Pine Cove & west of Bear Trap Canyon, in watershed above Alvin Meadows, tributary to Toll Road Canyon 1860 Comment
  POM12780  Erigeron foliosus P. A. Munz 1922-6-23 5785 Riverside Hemet Valley, San Jacinto Mountains, [on Garner Ranch - 5784] 1372 Comment
  UCR101806  Erigeron foliosus George K. Helmkamp, E. A. Helmkamp 1998-8-17 4438 Riverside Santa Ana Mtns., San Juan Canyon along the Ortega Hwy (Calif. Hwy 74) beside the Orange Co. line 503 Comment
  SBBG53763  Erigeron foliosus var. foliosus S. Boyd 1980-5-11 Riverside Harford Springs County Park, NW corner of the Gavilan Plateau Comment
  SD121384  Erigeron philadelphicus Karen Kirtland 1983-5-6 Riverside Singleton Ranch on the north side of San Timoteo Canyon, near Calimesa. 760 Comment
  UC70944  Eriochloa aristata var. aristata E. E. Schellenger 1905-12-1 5 Riverside Colorado Desert, Colorado River Colorado River; Colorado Desert, Colorado River Comment
  CAS-BOT-BC189085  Eriodictyon crassifolium Nancy Ryan Zabriskie; Walter Zabriskie 1971-4-24 398 Riverside Water service road above crossing of Deep Canyon, N slope Santa Rosa Mountains 1316 Comment
  CAS-BOT-BC226800  Eriodictyon crassifolium A. C. Sanders; T. B. Salvato 2012-4-27 40091 Riverside Peninsular Range; Santa Ana Mtns. Region: Temescal Canyon, along Temescal Canyon Rd. east of I-15 crossing and mouth of Mayhew Cyn. 313 Comment
  RSA0119984  Eriodictyon crassifolium Duncan S. Bell, Thomas Stoughton 2016-4-13 9267 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; collecting along the Cactus Spring Trail, in the vicinity of Horsethief Creek. 1047 Comment
  RSA289176  Eriodictyon crassifolium C. W. Tilforth, Walter Wisura 1981-8-10 2113 Riverside Along red Mtn. Rd. E of Hwy R3, S of Hemet, Riverside County. Comment
  RSA455023  Eriodictyon crassifolium N. C. Cooper 1949-6-3 4151 Riverside Temecula 762 Comment
  UC1523408  Eriodictyon trichocalyx var. trichocalyx Robert F. Thorne, W. A. Tilforth, L. Schultz, R. K. Benjamin and J. Hogge 1980-4-16 54099 Riverside flood plain (wash) along Whitewater River ca 3 mi n Whitewater P.O.; San Bernardino Mts., along Whitewater River 591 Comment
  UCR243162  Eriodictyon trichocalyx var. trichocalyx LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4299 Riverside Transverse Ranges; San Bernardino Mountains, Whitewater Canyon Bioblitz: From camp near 34.02539N, 116.68032W, east of the Paw, near the mouth of Catclaw Flat Canyon. Dropped down the Whitewater River to the first wide alluvial canyon to the east, near 34.02133N, 116.67779W. Surveyed this canyon to near 34.02483N, 116.66819W. Then surveyed back to camp by climbing to saddle of ridge to the north, near 34.02655N, 116.67484, and small draw at south end of Catclaw Flat Canyon 871 Comment
  SBBG161  Eriogonum apiculatum R. Hoffmann 1929-9-10 Riverside Tahquitz Pk Comment
  SD86300  Eriogonum apiculatum James L. Reveal, Caroline G. Reveal 1972-8-9 2861 Riverside San Jacinto Mountains, along California Highway 243, 4.4 miles north north-west of Idyllwild, 8.9 miles north of the junction with highway 74, and 1 mile south of Alandale Ranger Station Comment
  UC1505525  Eriogonum apiculatum Reid Moran 1973-7-28 21108 Riverside summit of Toro Peak Santa Rosa Mts., Toro Peak 2500 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
  JOTR36396  Eriogonum davidsonii La Doux, Tasha, M. Harding, T. Herskovits, D. Shade, B. Truesdell, M. Wheeler 2012-10-2 3348 Riverside Joshua Tree National Park. Little San Bernardino Mtns: Pushwalla Canyon, approx 100 m W of Pinyon Well site at spring Comment
  SBBG1441  Eriogonum davidsonii H. and M. Dearing 1940-6-8 4344 Riverside Box Cyn, near Mecca Comment
  CAS-BOT-BC256120  Eriogonum deflexum var. deflexum W. L. Jepson 1912-10-22 5235 Riverside Near Riverside Mts., along the Colrado River, Needles to Yuma 137 Comment
  UC667357  Eriogonum deflexum var. deflexum Annie M. Alexander and Louise Kellogg 1941-5-20 2205 Riverside Eagle Mountain Pumping Station Road Eagle Mountains, Eagle Mountain Pumping Station Road 411 Comment
  UC64565  Eriogonum elongatum var. elongatum H. M. Hall 1897-8-28 865 Riverside Riverside Comment
  JEPS56954  Eriogonum fasciculatum var. flavoviride W. L. Jepson 1928-4-25 12592 Riverside sides of wash below Cottonwood Spring; Colorado Desert, Eagle Mts. 731 Comment
  RSA766509  Eriogonum fasciculatum var. flavoviride Donald A. Johansen, Joseph A. Ewan 1932-4-11 7087 Riverside Martinez Canyon, Santa Rosa Mts. 366 Comment
  RSA239205  Eriogonum fasciculatum var. foliolosum James L. Reveal, Caroline G. Reveal 1972-8-6 2842 a Riverside Along California Highway 71 north of the junction of Highway 74 at Elsinore, 2 miles north of Elsinore. Comment
  RSA393340  Eriogonum fasciculatum var. polifolium H. de Forest, Rempel 1934-4-14 s.n. Riverside San Gorgonio Pass. 640 Comment
  RSA587145  Eriogonum fasciculatum var. polifolium D. L. Banks, S. D. Boyd 1995-6-2 556 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail just N of the Riverside County boundary, W of the peak ''3790'' on boundary of S32 and S33. 1042 Comment
  RSA648261  Eriogonum fasciculatum var. polifolium Margaret Murphy 1983-5-15 0022 -C Riverside located in the north section of parsel 475-090-006, lot 20 Moreno Acres of the unincorporated area known as Sunnymead. Comment
  CAS-BOT-BC253487  Eriogonum gracile Steve Boyd 1994-10-14 8382 Riverside San Mateo Canyon, sandy benches in canyon bottom at the confluence with Bluewataer Canyon, Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area of the Cleveland National Forest 304 Comment
  RSA785072  Eriogonum gracile Anna Kostikova, Glenn Litsios, Sarah Burgy, Steve Boyd 2010-6-20 80 Riverside Fobes Ranch road turn from Hwy 75 Comment
  SBBG62101  Eriogonum gracile P. A. Munz, I. M. Johnston 1928-9-12 11256 Riverside Temescal Cyn Comment
  RSA239204  Eriogonum gracile var. gracile James L. Reveal, Caroline G. Reveal 1972-8-6 2844 Riverside Along California Highway 74, 1.5 miles southwest of the summit of Santa Ana Mountains, 9 miles southwest of Elsinore and about 22 miles east-northeast of San Juan Capistrano, near turnoff to McConville Camp. Comment
  RSA736551  Eriogonum gracile var. gracile Scott D. White, Angelia Carey 2004-7-2 10582 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation, Poppet Creek Canyon. 549 Comment
  CAS-BOT-BC257580  Eriogonum inflatum L. R. Abrams 1926-3-27 11124 Riverside Near Whitewater Comment
  UCR124640  Eriogonum inflatum B. C. Templeton, I. W. Clokey 1930-4-9 1005 Riverside Sonoran (Colorado) Desert, North of Palm Springs 400 Comment
  UCR50888  Eriogonum maculatum A. C. Sanders 1988-5-11 7814 Riverside Sonoran (Colorado) Desert, Chocolate Mountains, Iris Pass area, 12 miles above the Coachella Canal, east of the gasline road from Niland 549 Comment
  RSA423124  Eriogonum plumatella Anstruther Davidson 1893-4-12 s.n. Riverside Palm Springs. Comment
  JOTR36475  Eriogonum pusillum La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3409 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
  POM14255  Eriogonum reniforme P. A. Munz, D. D. Keck 1922-4-9 4919 Riverside Vicinity of Corn Springs, Chuckwalla Mountains, Colorado Desert. 457 Comment
  RSA424915  Eriogonum saxatile Christopher Davidson 1978-6-15 7396 b Riverside Santa Rosa Mountains. Santa Rosa Peak. Trail to the top. 2409 Comment
  RSA517830  Eriogonum thomasii Steve Boyd, Orlando Mistretta 1986-3-13 1450 Riverside West side Palen Mts.: NE of Desert Center. Comment
  SEINET5584428  Eriogonum thomasii Stephen Hale 2010-1 Riverside Along WAPA Parker-Blythe transmission line, adjacent to State Route 95 Comment
  CAS-BOT-BC263535  Eriogonum thomasii Catherine A. Toschi 1963-4-10 63 :115 Riverside Boyd Desert Research Center 5 miles south of Palm Desert 304 Comment
  RSA0105832  Eriogonum thurberi Alan Romspert 2000-7-28 s.n. Riverside Half way between Market St. and Riverside Ave. Bridges. Comment
  UC534947  Eriogonum thurberi Susan G. Stokes 1933-7-1 74 Riverside road to Idyllwild 1219 Comment
  RSA775721  Eriogonum trichopes Thomas Stoughton, Christi Gabriel, Stephanie Rockwood 2011-3-31 956 Riverside Dune system along Midland Rice Road, South of Arica Mountains. 305 Comment
  UCR246556  Eriogonum trichopes Duncan S. Bell 2009-4-19 269 Riverside Arica Mountains, west side of range, c. 2.5 air miles SW of Priests Well 391 Comment
  UCR58721  Eriogonum umbellatum var. munzii Reid Moran 1973-7-28 21105 Riverside Santa Rosa Mountains, N slope of the mountains 1780 Comment
  UCR6442  Eriogonum umbellatum var. munzii Frank C. Vasek 1964-7-25 640725- 19 Riverside San Jacinto Mountains, Dark Canyon near Wet Canyon Campground Comment
  JEPS56110  Eriogonum wrightii var. membranaceum Marjorie D. Clary 1932-8-21 Riverside Hemet Valley San Jacinto Mts. 1371 Comment
  RSA65010  Eriogonum wrightii var. nodosum F. W. Peirson 1922-12-27 3333 Riverside Andreas Canyon, east base of San Jacinto Mountains 610 Comment
  JEPS5462  Eriophyllum ambiguum var. paleaceum Dr. L. M. Newlon 1922-4-4 454 Riverside Palm Canon Mt. San Jacinto, Palm Canon Comment
  CAS-BOT-BC297349  Eriophyllum confertiflorum B. Pitzer 1997-4-1 3051 Riverside Lakeview Mts, ca 0.75 air miles SSW of Mt Rudolph, ca 1 air mile NE of Contour (Juniper Flats) Rd 655 Comment
  RSA36563  Eriophyllum confertiflorum Sara M. Schenck 1942-6-3 s.n. Riverside Black Rock Springs, Joshua Tree National Monument. 1140 Comment
  GMDRC2040  Eriophyllum confertiflorum var. confertiflorum J. Andre 2006-4-26 6746 Riverside Little San Bernardino Mountains: Joshua Tree National Park: about 0.5 mi. NNE. of Rattlesnake Spring, on ridge just south of radio tower and NE corner of park boundary. Near 34.07623 deg. N 116.44711 deg. W. Elev. 4332 ft. 1321 Comment
  JEPS23547  Eriophyllum confertiflorum var. confertiflorum Peter H. Raven 1958-5-17 12937 Riverside 3.4 mi se Banning (on road to Idyllwild); San Jacinto Mountains Comment
  JOTR35450  Eriophyllum confertiflorum var. confertiflorum Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 54 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop2) Comment
  SDSU12855  Eriophyllum confertiflorum var. confertiflorum Janet M. Knotts, Jill Steinberg 1998-3-11 11 III1998C Riverside Ca. 1/4 mile along foot trail leading southeast from road, ca. 1/4 mile northeast of Santa Margarita (SDSU) Field Station, north of Santa Margarita River. 335 Comment
  JEPS5398  Eriophyllum wallacei W. L. Jepson 1928-4-25 12597 Riverside between the Cottonwood Mts. and Eagle Mts. (in wash below spring, s end of Joshua Tree National Monument); Joshua Tree National Monument, Cottonwood Spring Comment
  POM157921  Eriophyllum wallacei P. A. Munz 1927-5-21 10864 Riverside Coahuila Valley. Comment
  SJSU1905  Eriophyllum wallacei J. W. Tilden 1957-4-18 1100 Riverside near Whitewater E of San Gorgonio Pass Comment
  UCR882  Eriophyllum wallacei S. C. Anderson 1957-4-14 s.n. Riverside Santa Rosa Mtns., Deep Canyon, south of Palm Desert. 305 Comment
  UC1929300  Erodium brachycarpum Scott D. White, Jamie Minor 2008-3-13 11766 Riverside San Gorgonio Pass; Banning: S of Union Pacific RR, powerline route from Sunset Ave to 1 mile W. 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
  UCR104158  Erodium cicutarium Scott D. White 1997-5-25 5232 Riverside San Jacinto Mtns, Bautista Canyon: Hixon Trail (USFS No. 2E43), between trailhead at Bautista Canyon Road and intermittent stream crossing at c. 3200 ft 976 Comment
  UCR224993  Erodium cicutarium Dave Silverman, Cindy Hopkins, Jamison Miner 2008-3-31 7009 Riverside SE of Banning, old gravel pit/dump E of water treatment facility, along Smith Creek, 320 m S of East Westward Ave. 628 Comment
  RSA587144  Erodium cicutarium D. L. Banks, Steve D. Boyd 1995-6-2 555 Riverside NW Palomar Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; N face of N peak of Agua Tibia Mountain; On the Woodchuck Trail just N of the Riverside County boundary, W of the peak ''3790'' on the boundary of S32 & S33. 1043 Comment
  POM71763  Erodium cygnorum Pomeroy 1925-2-26 s.n. Riverside Corona. Comment
  UCR78334  Erodium macrophyllum D. E. Bramlet 1993-4-13 2323 Riverside Approx. 61 m south of the existing Lake Matthews access road, c. 549 m north of Cajalco Road, in the 'Cajalco bend' area, 1.2 km west of Lake Matthews 434 Comment
  RSA716188  Erodium moschatum Scott D. White, Angelia Carey 2004-4-5 10037 Riverside San Jacinto Mtn. Foothills: North of Valle Vista. Indian Creek Watershed. 518 Comment
  CLARK-A1528-2960  Erodium obtusiplicatum John C. Roos 1966-3-22 Riverside Edgemont Comment
  UCR24925  Erysimum capitatum var. capitatum A. C. Sanders 1980-7-18 1651 Riverside San Jacinto Mtns., Thomas Mountain: Thomas Mountain Campground to the summit at the lookout 2073 Comment
  SD218386  Erythranthe diffusa P. A. Munz 1922-4-30 5153 Riverside Hills south of Tuscaloa Creek on road from Aguanga. Comment
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Feb 18 2013
  RSA0019306  Erythranthe guttata Shawn Krosnick, C. Martinez, Naomi S. Fraga, L. McDade 2010-8-14 638 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA0018793  Erythranthe guttata Glenda Long 1981-5-3 31 Riverside Bogart County Park, Beaumont Comment
  RSA0015891  Erythranthe moschata E. C. Jaeger 1921-7-1 1049 Riverside Long Valley. Comment
  RSA0124286  Eschscholzia androuxii Duncan S. Bell 2016-4-16 9326 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  SD48499  Eschscholzia androuxii Everett Balls 23114 Riverside southern end of Joshua Tree National Monument 914 Comment
  RSA0022928  Eschscholzia androuxii Robert F. Thorne, C. W. Tilforth, L. M. Shultz, R. K. Benjamin, J. Hogge 1980-4-16 54039 Riverside San Bernardino Mountains: At mouth of Whitewater Canyon, ca. 1/4 mi. W of Whitewater P.O. and 1/2 mi. W of Whitewater River. 415 Comment
  UCR78439  Eschscholzia caespitosa Scott D. White 1993-4-20 1200 Riverside Estelle Peak, Gavilan Hills 826 Comment
  RSA509569  Eschscholzia californica 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
  RSA757448  Eschscholzia californica Robert F. Thorne, E. W. Lathrop, S. Beckstrom-Sternberg, B. Martin 1982-05 55227 Riverside SW of Murrieta. Santa Rosa Plateau, Mesa de la Punta 730 Comment
  SDSU832  Eschscholzia californica D. Hunsaker 1962-4-10 Riverside 3 miles SW from Temecula. Comment
  POM9572  Eschscholzia californica var. peninsularis P. A. Munz, R. D. Harwood 1920-2-28 3271 Riverside 3 miles west of Corona. 305 Comment
  CSUSB1238  Eschscholzia minutiflora J. E. Parlevliet 1958-4-19 Riverside Along highway to Twenty-Nine Palms about 2 miles up this road from where it starts on highway Riverside-Indio, till first sign on right, "Kings Ranch." 304 Comment
  RSA0022893  Eschscholzia papastillii I. W. Clokey 1935-4-17 6631 Riverside Cottonwood Springs. Colorado desert. Comment
  CAS-BOT-BC419606  Eschscholzia parishii W. R. Ernst 1960-3-15 720 Riverside East of Indio on Highway 60-70, about 6 miles west of Cactus City Comment
  RSA146383  Eschscholzia parishii W. R. Ernst 1960-3-15 720 Riverside East of Indio on Hwy 60-70, 6 miles W of Cactus City Comment
  SEINET3094861 Image available Eschscholzia parishii David Charlton 1988-2-18 1152 Riverside S side of Little San Bernardino Mtns. Fargo Canyon Road to Cottonwood Wash, S of Joshua Tree National Park, parallel to I-10. 5 mi. E of Jct Dillon Rd. and Fargo Cyn Rd. Comment
  RSA776842  Eschscholzia parishii Amber Swanson, Duncan S. Bell 2011-3-18 227 Riverside Above wash about 3 airmiles SE of Desert Center Nof the Chuckwalla Mtns 384 Comment
  RSA0010855  Eucalyptus camaldulensis A. C. Sanders 1998-3-11 21656 Riverside Shipley/Skinner Reserve: SW of Crown Valley in upper Rawson Canyon area 595 Comment
  SD186255  Eucalyptus camaldulensis A. C. Sanders 2004-6-20 28230 Riverside Temescal Canyon, between Glen Ivy Hot Springs and Arcilla. 292 Comment
  UCD103100  Eucalyptus camaldulensis F. M. Reed 1916-11-12 3759 Riverside Jensen Ranch, west Riverside. Comment
  RSA708077  Eucrypta chrysanthemifolia Scott D. White, Angelia Carey 2004-4-16 10191 Riverside San Jacinto Mountain foothills: Indian Creek and adjacent slopes. 549 Comment
  UCR250317  Eucrypta chrysanthemifolia A. C. Sanders 2014-4-8 40971 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
  UCR96706  Eucrypta chrysanthemifolia A. C. Sanders 1997-3-1 19720 Riverside Riverside, Box Springs Mtns.: Coyote Hill (Bench Mark 'Versity', 1386 ft.) and ridge S and SE of the UCR Botanic Garden 427 Comment
  RSA75988  Eucrypta chrysanthemifolia var. bipinnatifida F. W. Peirson 1919-4-13 972 Riverside Tahquitz Canyon, near Palm Springs. Comment
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Sep 18 2011
  UC1979533  Eucrypta chrysanthemifolia var. chrysanthemifolia Darin L. Banks, Steve Boyd 1995-4-5 159 Riverside Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, E of the Dripping Springs Trail, in the N flowing drainage that empties into Arroyo Seco. Comment
  RSA776838  Eucrypta micrantha Amber Swanson, Duncan S. Bell 2011-3-18 223 Riverside About 3 airmiles SE of Desert Center, N of Chuckwalla Mtns. 392 Comment
  UC668395  Eulobus californicus Annie M. Alexander and Louise Kellogg 1941-4-22 2058 Riverside Morongo Valley Gorge 701 Comment
  LA204660  Euonymus occidentalis var. parishii Carl Epling; William Robison 1935-6-30 sn Riverside N fork, San Jacinto River Comment
  SD181546  Euphorbia Louis C. Wheeler 1946-1-19 6171 Riverside 2.0 miles north of main highway on road to 29 Palms. Comment
  UCR140726  Euphorbia albomarginata A. C. Sanders 2004-5-12 27881 Riverside Elsinore Basin Region, Walker Canyon at northeast foot of Alberhill Mountain, Temescal Creek 378 Comment
  UCR21977  Euphorbia albomarginata Steve Boyd 1980-5-5 206 Riverside Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 610 Comment
  UCSB44040  Euphorbia misera Sanders, A. 1982-3-20 Riverside South end of Whitewater Bench, above a small dirt road to the top of the bench and overlooking Interstate Hwy. 10 Comment
  SDSU17490  Euphorbia peplus Jerry Jenkins 2001-3-31 2001 -011 Riverside Santa Margarita Ecological Reserve. Edge of avacado grove west of station and just above river. UTM zone 6, 481900E, 3699200N. UTM transfered to GIS. Comment
  SDSU3706  Euphorbia polycarpa S. J. Barnhart 1966-4-24 660424 -2 Riverside 0.1 mi. east of McAllister St., along the Metropolitan water Co. utility road (dirt). Intersection of Utility Rd. and McAllister St. is 1.5 mi. south-east of the intersection of McAllister St. and Victoria Ave. 457 Comment
  UCD142704  Euphorbia polycarpa G. L. Webster; R. Hildreth 1966-12-10 7463 Riverside Joshua Tree National Monument, near Cottonwood Canyon. 701 Comment
  UCD142705  Euphorbia polycarpa G. L. Webster; R. Hildreth 1966-12-10 7471 Riverside Deep Canyon, S of Palm Desert. 426 Comment
  UCR26563  Euphorbia polycarpa var. hirtella George K. Helmkamp, R. L. Kobaly 1982-5-6 s.n. Riverside San Jacinto Mtns, N foot, at Snow Creek. Beside Snow Creek Road between the village and the wash. 488 Comment
  UCD142683  Euphorbia prostrata Louis C. Wheeler 1964-10-10 8634 Riverside 3030 Oak Ave., Corona. Comment
  UCR99450  Euphorbia serpillifolia subsp. hirtula L. C. Wheeler 1945-10-7 6144 Riverside San Jacinto Mtns., Fuller Mill Creek, North Fork of San Jacinto River 1829 Comment
  RSA675054  Euphorbia setiloba Scott D. White, Bill La Haye 2001-4-28 8434 Riverside Colorado Desert: Coachella Valley, east of Dillon Road, ca. 6 road miles north of the I-10 Freeway. 137 Comment
  UCR264457  Euphorbia setiloba A. C. Sanders, Jim Malusa 2015-9-10 41850 Riverside Sonoran (Colorado) Desert, Salt Creek Canyon, along Summit Road c. 1.5 miles above mouth of Red Canyon, edge of Chocolate Mountains Aerial Gunnery Range 433 Comment
  RSA736731  Euthamia occidentalis Scott D. White, Angelia Carey, Linda Archa 2004-8-5 10686 Riverside San Jacinto Mountain foothills: Soboba Indian Reservation- Indian Creek and adjacent uplands, from confluence w/ San Jacinto River to +/- 2 miles upstream. 534 Comment
  UCR265846  Euthamia occidentalis Mitch Provance 2013-4-8 413- 03 Riverside San Bernardino Valley, Santa Ana River bottom, Tequesquite Creek and associated wetlands west of Rubidoux Ave 226 Comment
  UCR163088  Fagonia laevis B. G. Pitzer 2000-5-7 4145 Riverside Sonoran (Colorado) Desert, extreme north end of Orocopia Mountains, Shavers Valley, at base of hills c. 0.5 mi. SE of Box Canyon Road. 341 Comment
  UCR90301  Fagonia laevis F. M. Reed 1920-3-25 4271 Riverside Sonoran (Colorado) Desert, Near Indian Wells Comment
  RSA747733  Fagonia pachyacantha Scott D. White, Justin M. Wood 2009-3-24 12573 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
  CHSC8316  Ferocactus cylindraceus Edward L. Smith 1957-4-3 231 Riverside 1 mi. off hwy. 99 to 29 Palms, San Bernardino Mts. 91 Comment
  UC403452  Ferocactus cylindraceus var. lecontei Munz and Johnston 5295 Riverside rocky mesa near Mission Creek (on road to Morongo Pass) Comment
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Sep 8 2011
  UCR127576  Festuca microstachys D. E. Bramlet 2003-4-18 3373 Riverside Base of San Jacinto Mtns., 2,348m south of Cabazon, 2,012m northwest of Cabazon Peak, and 183m northwest of the Colorado River Aqueduct 548 Comment
  UCR93057  Festuca microstachys Steve Boyd 1986-4-2 1628 B Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  UCR92644  Festuca myuros Steve Boyd 1986-4-2 1626 A Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, NW corner of the Gavilan Plateau 640 Comment
  SD237518  Ficus palmata A. C. Sanders, R. E. Riefner Jr. 2009-8-11 37152 Riverside Peninsular Range: Riverside, along Spring Brook between Lake Evans (Fairmont Park) and the Santa Ana River. 238 Comment
  UCR174131  Filago arizonica A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32611 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
  UCR158726  Filago californica A. C. Sanders, Seung-Chul Kim, Plant Taxonomy Class 2005-5-7 30011 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
  UCR97501  Filago californica A. C. Sanders, G. Waines, B. Ehdaieet, A. Aryavand 1997-3-12 19890 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  SEINET3082771 Image available Filago depressa O. F. Clarke 1973-4-1 Riverside Sonoran Desert, alluvial fan at S entrance to Joshua Tree National Monument, below Cottonwood Springs. Comment
  SD148113  Forestiera pubescens A. C. Sanders, Mark Elvin and M. S. Enright 2002-4-16 24967 Riverside The Badlands: Laborde Canyon and adjacent slopes and side canyons, 1.0 mile east of Mt. Eden, southwest of Beaumont. 548 Comment
  JOTR01138  Forestiera pubescens Cole, James E. 1941-3-31 458 Riverside Joshua Tree National Park. BARKER DAM 1371 Comment
  SBBG4773  Fouquieria splendens H. and M. Dearing 1942-4-5 4861 Riverside Colorado River and Riverside Mtns Comment
  UCR268290  Frangula californica subsp. cuspidata Jim Andre 2012-6-15 30533 Riverside San Jacinto Mountains, Banning, along Hwy 243, 10.7 miles south of Interstate 10, San Bernardino National Forest 1499 Comment
  UCD112796  Frangula californica subsp. tomentella A. C. Sanders 2004-6-20 28215 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Freeway, south of Clay Canyon Road. 305 Comment
  RSA752294  Frankenia salina Scott D. White 2009-8-10 13349 Riverside Temescal Valley: City of Temecula, West bank of Murrieta Creek, from Rancho Califonria Rd to Cherry St. 306 Comment
  SD197786  Frankenia salina Karin Cleary-Rose, G. Nhun 1995-7-20 Riverside West edge of Hemet, 19 acre parcel on the Wilhelm Ranch, between Highway 74 and Whittier Avenue, at south end of Hyatt Avenue, west of the San Diego Aqueduct 456 Comment
  RSA618388  Frasera parryi D. L. Banks 1997-5-5 1975 Riverside NW Palomar Mountains, Agua Tibia Mountains: Pechanga Indian Reservation, east of San Gabriel Church along Pechanga Road, east of its intersection with Pechanga Creek, along the south fork of Pechanga Creek. 396 Comment
  UCR130707  Frasera parryi George K. Helmkamp, E. A. Helmkamp 1998-6-27 4071 Riverside San Jacinto Mtns., Garner Valley, along Hwy 74 at Morris Ranch Rd. 1372 Comment
  LA50890  Fraxinus dipetala W. E. Pequegnat; 1939-8-4 3 Riverside Santa Ana Mountains, Coldwater Trail 609 Comment
  SD143813  Fraxinus dipetala A. C. Sanders, P. MacKay, et al. 1997-5-4 20674 Riverside San Jacinto Mountains: North side of the range, 0.2 mile north of Twin Pines Ranch Road, on the dirt road to Brown Creek and Cabazon./ 1098 Comment
  UCR80522  Fritillaria biflora Michael A. Patten 1992-3-13 92- 3 Riverside Santa Ana Mtns., Santa Rosa Plateau, c. 2 mi west of the Santa Rosa Plateau, just north of the San Diego Co. line, between Calle Collado and Tenaja Road. 0.25 mi north of Via Abril 625 Comment
  SBBG50861  Funastrum cynanchoides var. hartwegii R. W. Woglum 1934-3-18 636 Riverside Snow Crk, (NW of Palm Springs) Comment
  SEINET3081970 Image available Funastrum cynanchoides var. hartwegii B. Pitzer 1986-4-26 185 Riverside San Bernardino Mtns.; Whitewater Canyon, c. 4.5 mi. north of Hwy I-10 on Whitewater Canyon Road 734 Comment
  RSA0124372  Funastrum hirtellum Duncan S. Bell, LeRoy Gross 2016-3-31 9194 Riverside Santa Rosa Mountains; Santa Rosa Wilderness area; in a side canyon off of Martinez Canyon, approximately 7 air miles southeast of the summit of Martinez Mountain. 591 Comment
  RSA475291  Funastrum hirtellum Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, Timothy S. Ross 1988-3-10 2099 Riverside North end Palen Mountains, 2 mi west of Palen Pass 300 Comment
  RSA696503  Funastrum hirtellum J. R. Bruff 1927-11-26 23 Riverside 10 miles south of 29 Palms Comment
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Nov 19 2011
  UCR232391  Funastrum utahense Dave Silverman 2010-3-30 7886 B Riverside Sonoran (Colorado) Desert, East bajada flank of southern McCoy Mtns, 1 km west of Black Creek Rd, 7.8 km east of McCoy Peak, and 4.8 km N of I-10 165 Comment
  JEPS52778  Galium andrewsii subsp. andrewsii Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4279 Riverside about 2 1/2 mi above lower end of road to Santa Rosa Peak 2072 Comment
  CAS-BOT-BC499146  Galium angustifolium Valerie Soza; Steve Boyd 2004-6-22 1727 a Riverside San Jacinto Muntains, SE side of Lake Fulmor, slope above Hwy 243 (Hall Canyon) 1615 Comment
  RSA144223  Galium angustifolium subsp. angustifolium William M. Klein 1960-8-22 1583 Riverside North of Idyllwild along trail to Suicide Rock and Mt. San Jacinto, San Jacinto Mountains. Comment
  RSA523616  Galium angustifolium subsp. angustifolium L. T. Dempster 1962-4-17 1890 Riverside Whitewater Canyon, about1 mile below the Fish Hatchery. Comment
  SDSU12854  Galium angustifolium subsp. angustifolium Janet M. Knotts with Jill Steinberg 1998-4-22 22 IV1998C Riverside A few feet east of stream on north side of footpath, approximately 1/2 mile northwest of SDSU Santa Margarita Field Station, north of Santa Margarita River. 354 Comment
  UC1518631  Galium angustifolium subsp. angustifolium Robert F. Thorne, Drs. Fosberg, Sachet, and Herbst 1983-4-23 55473 Riverside side canyon on w side Whitewater Canyon (ca 3.3 mi n of Whitewater Post Office); San Bernardino Mts. 594 Comment
  UC888700  Galium angustifolium subsp. angustifolium C. Epling and Wm. Robison 1935-6-30 Riverside between Pine Flat Camp Fuller's Mill; Mt. San Jacinto Comment
  UCR21952  Galium angustifolium subsp. angustifolium Steve Boyd 1980-5-11 246 Riverside Peninsular Range, Gavilan Hills, Harford Springs County Park, northwest corner of the Gavilan Plateau. East of trailer park, east side of Gavilan Road 625 Comment
  CAS-BOT-BC223051  Galium angustifolium subsp. gracillimum Peter H. Raven; David Verity 1960-6-5 15496 Riverside Salton View, Joshua Tree National Monument Comment
  JOTR16839  Galium angustifolium subsp. gracillimum Baker, James K. & Baker, Ilisa T. 1966-6-17 s.n. Riverside Joshua Tree National Park. COVINGTON FLATS 1676 Comment
  RSA761273  Galium angustifolium subsp. jacinticum Shawn Krosnick, Naomi S. Fraga, Lucinda A. McDade 2010-8-14 673 Riverside Idyllwild. The James San Jacinto Mountains Reserve. Located within 100 meters of the main research cabin. 1585 Comment
  RSA702386  Galium aparine Naomi S. Fraga, Sarah J. De Groot, Valerie Soza 2004-6-28 1282 Riverside Along Red Hill Road (5S10) near Alvin Meadows, southwest of Pine Cove. 1616 Comment
  UC1536780  Galium aparine G. H. True 1935-4-1 196 Riverside along steep bank of creek Box Springs 365 Comment
  RSA706291  Galium californicum subsp. primum Naomi S. Fraga, Sarah J. De Groot, Valerie Soza 2004-6-28 1280 -a Riverside Along Red Hill Road (5S10) near Alvin Meadows, southwest of Pine Cove. 1616 Comment
  JEPS44392  Galium parishii Lauramay T. Dempster and G. L. Stebbins 1966-6-19 4248 Riverside just below Toro Peak ((i.e., s of saddle e of peak), steep s-facing slope) 2499 Comment
  RSA78314  Galium parishii Philip A. Munz, E. K. Balls 1952-8-21 17974 Riverside Santa Rosa Spring, Santa Rosa Mts. 2134 Comment
  POM68617  Galium stellatum Marcus E. Jones 1906-4-26 s.n. Riverside Indio Comment
  UCR89531  Galium stellatum Bern Schwenn 1994-4-30 s.n. Riverside southern Mojave Desert, Joshua Tree National Monument. E side of Hexie Mtns., along Ruby Lee Well Road, between paved Pinto Basin Road and the divide. 823 Comment
  CLARK-A1656-686  Garrya fremontii Milton Walker 1978-2-5 Riverside San Gorgonio Pass 761 Comment
  RSA577758  Gastridium phleoides F. M. Reed 1926-5-15 5340 Riverside Menifee Valley Comment
  RSA633319  Gayophytum diffusum subsp. parviflorum Robert F. Thorne, J. P. Simon, C. W. Tilforth 1969-6-24 38085 Riverside San Bernardino National Forest, San Jacinto Mountains: Above James Reserve in Hall Canyon. 1677 Comment
  POM358660  Geraea canescens P. J. Remple 1942-3-1 s.n. Riverside Between Indio and Palm Springs. Comment
  POM358673  Geraea canescens N. C. Cooper 1949-3-15 3027 Riverside Palm Springs 122 Comment
  RSA0018591  Geraea canescens Duncan S. Bell 2013-1-30 4457 Riverside The Mecca Hills; collecting beside the Coachella Canal and the powerlines at the base of the mountains in narrow desiccating depressions where winter rains had collected. 23 Comment
  SEINET236366  Geraea canescens Scott D. White, Pam Devries 1998-2-9 6071 Riverside La Quinta/ Palm Desert Area: White water River Channel at and near Miles Ave. Crossing. Coachella Valley. 30 Comment
  UCR33548  Geraea canescens Faulkner 1978-3-30 407 Riverside Sonoran (Colorado) Desert, 1 mi north of Riverside Mtns., bench area, 4 mi south of Vidal 146 Comment
  UCSB38371  Geraea canescens Nelson, Steve 1974-4-13 Riverside Two miles north of U.S. Highway 10 on Washington 152 Comment
  SD212642  Geranium robertianum A. C. Sanders, T. B. Salvato 2006-5-4 32247 Riverside UCR campus, weeds in botanical garden. 351 Comment
  UCR166296  Gilia A. C. Sanders, J. C. Dice, K. C. Rose, D. Woodard 1995-3-29 16244 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
  RSA583612  Gilia angelensis Steve Boyd, Darin L. Banks 1995-3-30 8411 Riverside Agua Tibia Wilderness Area, northern flank of Agua Tibia Mountain at the western edge of the Dripping Springs Alcove in tributary of Kolb Creek just east of the old Woodchuck Truck Trail road grade, just south of the Wilderness boundary. 640 Comment
  SD137687  Gilia angelensis Darin L. Banks 1995-5-3 227 Riverside Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area, along the lower alluvial benches of Arroyo Seco. 512 Comment
  UCR165396  Gilia angelensis A. C. Sanders 2005-4-21 29577 Riverside Peninsular Range, Gavilan Hills, south of Harford Springs Co. Park and Ida Leona Rd., 1.5 mi. ESE of Gavilan Peak 622 Comment
  UCR213469  Gilia angelensis A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-4-7 37835 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, ridge west of dirt extension of Lake St., 0.9 mi. north (358 deg. ) of intersection of I-15 and Lake St. 488 Comment
  UCR90273  Gilia angelensis Scott D. White, S. J. Myers, S. Ogg Wilcox 1995-7-16 3328 Riverside Santa Ana Mtns, Proposed pipeline route: Lake Elsinore Pumped Storage Hydroelectric project. Steep NE facing mtn slope west of Lake Elsinore, SE of Hwy 74. 915 Comment
  UCR20565  Gilia australis N. R. Zabriskie 1978-3-16 780 Riverside San Jacinto Mountains, S side of stream near intake, Andreas Canyon, E slope of mountains 610 Comment
  POM10417  Gilia capitata subsp. abrotanifolia Charlotte M. Wilder 1907-4-6 s.n. Riverside Whitewater Ranch Comment
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Nov 30 2009
  RSA221056  Gilia capitata subsp. abrotanifolia E. W. Lathrop 1966-5-8 6439 Riverside 3 miles SW of Corona. Hagador Canyon, Cleveland National Forest. Trabuco District. 274 Comment
  RSA526176  Gilia capitata subsp. abrotanifolia Steve Boyd, T. S. Ross 1990-5-11 4678 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
  UC908922  Gilia capitata subsp. abrotanifolia Herbert L. Mason 1926-5-2 3196 Riverside Temecula Valley Comment
  UCR26282  Gilia capitata subsp. abrotanifolia John C. Roos, L. Roos 1952-4-27 5585 Riverside San Timoteo Canyon, south of Redlands 427 Comment
  RSA350823  Gilia lineata Anstruther Davidson 1923-04 3570 Riverside Idyllwild. Comment
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Oct 22 2011
  UCR116977  Gilia ochroleuca A. C. Sanders, T. B. Salvato 2001-5-3 24086 Riverside Perris-Aguanga Basin region, Hemet, SE corner of State Street at Gibbel, 1712 ft. hill at east end of Diamond Valley 518 Comment
  UC1595628  Gilia ochroleuca subsp. exilis Steve Boyd and Dave Bramlet 1991-5-13 6254 Riverside ese Winchester (n side of Domenigoni-Diamond Valleys, ridge top of s-end Warren Rd.); Domenigoni Hills, n side Domenigoni-Diamond Valleys 548 Comment
  RSA480097  Gilia scopulorum Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2186 Riverside Sonoran (Colorado) Desert NW end McCoy Mtns, NW of Blackjack Mine 400 Comment
  UCR29823  Gilia scopulorum George K. Helmkamp 1983-3-24 383- 16 Riverside Sonoran (Colorado) Desert, north base of the Little Chuckwalla Mountains, 1.5 miles east of Graham Pass Road 336 Comment
  UCR178146  Gilia splendens T. B. Salvato, Jeffrey Ross 1998-5-14 MOR- 138 Riverside San Bernardino Mtns., 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
  JOTR30803  Gilia stellata La Doux, Tasha 2008-3-10 1823 Riverside Joshua Tree National Park. Northwest end of Eagle Mountains, near road to Cottonwood Canyon 898 Comment
  RSA49181  Gilia stellata P. A. Munz 1949-4-13 13052 Riverside Cottonwood Springs, west end of Eagle Mountains 1143 Comment
  RSA49190  Gilia stellata P. A. Munz 1949-4-13 13043 Riverside Cottonwood Springs, west end of Eagle Mts. Colorado Desert 1143 Comment
  RSA516892  Gilia stellata Steve Boyd, Orlando Mistretta 1986-3-13 1408 Riverside Palen Mountains: NE of Desert Center, jct of Parker Dam Rd & 'Palen Rd' (rd. going through pass between Palen and Granite Ranges). 183 Comment
  PASA732  Gilia virgata Mary Hall 1939-5-27 Riverside San Jacinto river Comment
  UCR65274  Gnaphalium canescens subsp. microcephalum Steve Boyd, O. Mistretta 1989-7-18 3765 Riverside Peninsular Range, Vail Lake Area, Temecula Creek Canyon 0.5 mi west of dam 421 Comment
  SEINET7248343 Image available Gnaphalium luteoalbum Duncan S. Bell, Evan Meyer 2014-1 6532 Riverside Colorado Desert; Chocolate-Chuckwalla Mountain region: Chuckwalla Mountains; northeast section of range; Spring Tank, approximately 3.25 air miles southeast of Desert Center. 446 Comment
  UCR193305  Gnaphalium palustre A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35602 Riverside Peninsular Range; San Jacinto Mtns., plateau above head of Johnson Meadow canyon, SW of dogleg in May Valley Rd. 1550 Comment
  UCR202597  Gnaphalium palustre Scott D. White, Justin M. Wood 2008-7-9 12432 Riverside San Jacinto Mountains, K Flat, from large pond downstream to meadow 1463 Comment
  RSA0035802  Gnaphalium stramineum A. C. Sanders, T. B. Salvato 2014-7-2 41172 Riverside Fobes Canyon, c. 1/2 mile south of Fobes Ranch along Fobes Ranch Rd. 1555 Comment
  SBBG95150  Gutierrezia californica S. D. White 1990-10-2 Riverside St Hwy 79, immediately W of Dripping Springs Guard Station 487 Comment
  CHSC84681  Gutierrezia microcephala John Dittes 2002-1-4 2 46 C Riverside Mojave Desert; Pinto Mountains, ca. 10 air-miles south of Twentynine Palms, 0.3 mile south of White Tank Campground. 1173 Comment
  SD229095  Gutierrezia sarothrae Dick Schwenkmeyer 2012-3-26 678 Riverside Mt. San Jacinto area: Lake Hemet (site #4), Highway 74, sloping hillside 1317 Comment
  CAS-BOT-BC231106  Harpagonella palmeri D. E. Bramlet 1994-4-20 2370 Riverside Perris-Aguanga Basin region: Shipley Reserve, SE corner of Lake Skinner Co. Park, beside a large, ephemeral drainage S of the equestrian trail, approx 762 m SE of the park entrance road and 579 m NW of E Benton Road 518 Comment
  LA204760  Helianthemum scoparium C. B. Wolf; 1936-6-17 7956 Riverside Santa Ana Mountains, Tenaja Road, 1.4 mi. off Ortega Highway, on road to La Cienaga 609 Comment
  POM13920  Helianthus gracilentus E. C. Jaeger 1921-6-13 s.n. Riverside Base of McMullen Trail [Banning to McMullen Flat] 823 Comment
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Nov 5 2011
  POM49854  Helianthus gracilentus P. A. Munz, I. M. Johnston 1924-7-29 8874 Riverside Roadside in chaparral near poppet Flat Comment
  UC537152  Helianthus gracilentus M. E. Jones 1934-5-10 Riverside Elsinore Comment
  SBBG132103  Helianthus nuttallii subsp. nuttallii S. D. White 2003-10-9 9816 Riverside Pine Cove, Lily Crk just N of crossing at Hwy 243; San Jacinto Mtns 1738 Comment
  UCR108832  Hemizonia fasciculata O. F. Clarke 1972-5-21 s.n. Riverside Riverside, Santa Ana River near Union Pacific Bridge 213 Comment
  UCR121682  Hemizonia fasciculata Ian G. Gillespie, Abby Sirulnik 2000-5-7 32 Riverside Temescal Valley, 0.9 mi SE of Indian Truck Trail and 40 m SW of DePalma Road, directly across from Corona Lake 396 Comment
  UCR249925  Hemizonia fasciculata A. C. Sanders 2013-6-20 40836 Riverside Peninsular Range, Alberhill, along powerline route parallel to 'new' Nichols Rd. extension, SE of Lake St. & NW of Terra Cotta 431 Comment
  UCR157722  Hemizonia kelloggii John Wear, Tim Wade 1991-5-7 91- 35 Riverside Perris - Aguanga Basin area, SW flank of Double Butte, SW of Homeland and north of Grand Avenue 686 Comment
  UCR82774  Hemizonia mohavensis A. C. Sanders, T. Schram, D. Wappler 1994-10-6 15783 Riverside San Jacinto Mtns, Azalea Creek above Twin Pines, Twin Pines Creek drainage 1192 Comment
  RSA360323  Hemizonia paniculata N. C. Cooper 1949-6-3 4153 Riverside Temecula 762 Comment
  RSA752295  Hemizonia paniculata Scott D. White 2009-8-10 13348 Riverside Temescal Valley: City of Temecula, West bank of Murrieta Creek, from Rancho Califonria Rd to Cherry St. 306 Comment
  UCR171134  Hemizonia paniculata John F. Green 2005-5-17 s.n. Riverside Perris-Aguanga Basin, Markham Pit; Gravel pit on SE corner of Markham Street and Day Street, south of March Air Force Base 537 Comment
  RSA450756  Hemizonia pungens subsp. laevis J. C. Roos 1965-6-21 s.n. Riverside San Jacinto Comment
  UCR101369  Hemizonia pungens subsp. laevis A. C. Sanders, K. C. Rose 1998-9-29 22252 Riverside San Jacinto Valley, west edge of Hemet, east side of Warren Rd. between Esplanade Ave. and the Tres Cerritos Hills 459 Comment
  UCR251903  Hesperocallis undulata Jim Andre 2013-3-27 24827 Riverside NE Colorado Desert, Riverside Mountains, Agnes Wilson Rd. west of crossing of Colorado River, 0.8 mi east of Hwy 95, 12.4 mi south of Vidal Junction 115 Comment
  RSA359882  Hesperocnide tenella Steve D. Boyd 1986-4-2 1598 Riverside Gavilan Plateau, Gavilan Hills, Harford Springs County Park. 610 Comment
  POM19368  Heterocodon rariflorum Mary F. Spencer 1923-7-23 2216 Riverside Idyllwild, San Jacinto Mountains. 1646 Comment
  POM46855  Heterocodon rariflorum Charlotte M. Wilder 1903-07 s.n. Riverside Strawberry Valley, San Jacinto Mountains. Comment
  RSA583483  Heterocodon rariflorum Steve Boyd 1995-5-13 8511 Riverside Santa Ana Mountains, west of Onion Hill, southeast of Elsinore Peak area along trail following old Main Divide Road grade. 1006 Comment
  RSA450413  Heterotheca sessiliflora var. sanjacintensis J. C. Roos 1965-8-18 s.n. Riverside Thomas Valley, San Jacinto Mtns. Comment
  SD129177  Hilaria rigida A. C. Sanders 1989-9-19 9496 Riverside Chocolate Mountains Aerial Gunnery Range: 1.75 kilometers (airline) south of the Tabaseca Tank, along the wash above Tabaseca Target (UTM: 11S, PH-35E, 07N) 680 Comment
  UCD89927  Hilaria rigida William H. Brooks 24-25 Feb 1989 s.n. Riverside McCoy Wash, north of Blythe. 579 Comment
  UCR241804  Hilaria rigida A. C. Sanders, Ann Howald 2013-2-28 40553 Riverside Sonoran (Colorado) Desert, Bradshaw Trail, 2.2 miles west of Hwy 78, 9.2 km SW (245 deg. ) of Ripley 96 Comment
  UC577427  Hoffmannseggia glauca J. and H. W. Grinnell 1937-11-30 1087 a Riverside 24 mi w Blythe (bed of Fork Dry Lake); Ford Dry Lake Comment
  CAS-BOT-BC207555  Hoffmannseggia microphylla Mrs. John C. Augsbury 1930-2-1 s.n. Riverside Indio Comment
  CAS-BOT-BC207562  Hoffmannseggia microphylla Marcus E. Jones 1924-2-26 s.n. Riverside Shaver's Well Comment
  CAS-BOT-BC207567  Hoffmannseggia microphylla M. E. Jones 1906-4-27 s.n. Riverside Indio Comment
  LA45806  Hoffmannseggia microphylla A. M. Johnson; 1933-4-28 4216 Riverside Indian Wells, highway along new mountain highway to Hemet, 2 to 3 mi. up from Palm Springs Comment
  RSA756997  Hoita macrostachya Greg Wright 1971-7-17 306 Riverside Hwy 74, San Juan Creek and Canyon, Santa Ana Mts, Alt 1650ft, Santa Ana River 503 Comment
  UCD85629  Hordeum depressum A. C. Sanders; D. Malueg 2001-5-17 24358 Riverside Perris-Aguanga Basin Region. Gasline right of way across Pinto and Hoopes Ranches, E of Briggs Rd. at and near Warm Springs Creek, S of Scott Rd. 414 Comment
  UCR76162  Hordeum depressum A. C. Sanders 1993-4-1 13661 Riverside Perris-Aguanga Basin Region, western edge of Hemet, 14 acre parcel at NE corner of intersection of Myers St. and Devonshire Ave., 0.75 mile NE of the intersection of Florida Ave (Hwy 74) and Warren Rd, just south of Tres Cerritos 460 Comment
  UCR269907  Hordeum intercedens D. E. Bramlet, Amy Hills, R. E. Riefner Jr., Russell Huddleston 2005-3-2 3661 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
  RSA560848  Hordeum marinum subsp. gussoneanum Steve Boyd, Timothy S. Ross 1992-5-4 7176 -A Riverside Southern Santa Ana Mountains; San Mateo Canyon Wilderness Area; Oak Flats area E of Verdugo Potrero 732 Comment
  UCR41304  Hordeum murinum N. M. Fellows 1985-3-16 119 Riverside San Jacinto Mtns., Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the N foot of San Jacinto Mts, 1 mile west of Snow Creek Village 489 Comment
  JEPS44527  Horkelia clevelandii W. L. Jepson 1903-8-8 2296 Riverside San Jacinto Mt.,Tauquitz 2286 Comment
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Sep 5 2011
  SBBG3446  Hosackia oblongifolia var. oblongifolia Mrs. J. D. Wright 1929-6-25 Riverside San Jacinto Mtns [probably near Idyllwild] Comment
  RSA89546  Hulsea heterochroma E. K. Balls, P. C. Everett 1953-7-1 18346 Riverside 5 miles NW of Idyllwild on road to Banning. 1524 Comment
  POM361067  Hymenoclea salsola Ora M. Clark 1929-3-17 1767 Riverside San Andreas Canyon, S. of Palm Springs. Comment
  JOTR30090  Hymenoclea salsola var. salsola La Doux, Tasha, Alice Miller 2007-5-8 1735 Riverside Joshua Tree National Park. Stop 1: Along Key's View Rd., common. 1385 Comment
  UC68917  Hymenoxys odorata H. M. Hall 1905-4-1 5914 Riverside Paloverde Valley Colorado Desert 76 Comment
  UC124659  Hypericum anagalloides A. W. Anthony 1890-1 Riverside San Jacinto Mts. 2438 Comment
  RSA180466  Hypochaeris glabra E. W. Lathrop 1960-5-6 4787 Riverside 10 miles west of Murrieta. Comment
  UCR171961  Hypochaeris glabra John F. Green 2006-4-18 s.n. Riverside NE of Murrieta, just south of Los Alamos Rd. ('Clinton Keith Rd.'), on E and W sides of Liberty Rd. border between City of Murrieta and unincorporated French Valley 415 Comment
  UCR59691  Hypochaeris glabra Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3532 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, hills just to SW of the dam 489 Comment
  CAS-BOT-BC219776  Hyptis emoryi James Henrickson 1963-3-29 1211 (1111?) Riverside 12 miles east of Mecca 304 Comment
  RSA0112096  Hyptis emoryi Duncan S. Bell, Amanda Turek 2010-1-30 537 Riverside Arica Mountains; within the Palen/McCoy Wilderness area; collecting in large drainage on the west side of the range. 434 Comment
  RSA134882  Hyptis emoryi L. S. Rose 1959-1-8 59000 Riverside La Quinta. 30 Comment
  UCR241717  Hyptis emoryi Alejandra Martinez-Berdeja, Cara M. Stripe 2010-4-24 47 Riverside Sonoran (Colorado) Desert, near Joshua Tree National Park, Coachella Valley, Dillon Rd. 4.21 miles north of Hwy 10 in Indio 91 Comment
  UCR244923  Hyptis emoryi Jim Andre 2012-3-19 21372 Riverside Sonoran (Colorado) Desert, Palen Valley along Palen Pass Rd [Coxcomb Monument Rd.] (dirt), 7.1 mi. east of Hwy 177 321 Comment
  UCR3004  Hyptis emoryi Wm. Horn Jr. 1963-3-23 630323- 4 Riverside Western Colorado Desert, Box Canyon Road (Calif. Hwy 195 ), 8 mi SE of Mecca, 75 yards south of the road. 61 Comment
  UCR238739  Isocoma menziesii A. C. Sanders, John F. Green 2012-6-25 40306 Riverside Peninsular Range; Santa Ana Mtns. Region, small canyon east of Horsethief Canyon Rd., below end of Kicking Horse Dr. & Caravan Circle 389 Comment
  POM359614  Isocoma menziesii var. vernonioides Albert J. Perkins 1915-9-25 s.n Riverside Pachappa Mt Comment
  RSA606526  Isoetes Jon E. Keeley 1980-4-5 7500 Riverside Mesa de Colorado on Santa Rosa Plateau, Santa Ana Mountains 650 Comment
  SBBG92732  Isoetes howellii R. F. Thorne 1973-5-23 43852 Riverside Santa Rosa Plateau, N side of Mesa de Colorado 609 Comment
  SEINET3405576 Image available Isomeris arborea var. angustata Lewis S. Rose 1938-12-18 38323 Riverside Palm Springs. 137 Comment
  CAS-BOT-BC101887  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 S of Rawson Rd. (Winchester 7.5' Q.) 439 Comment
  UCR132718  Juncus balticus A. C. Sanders, O. F. Clarke 1991-6-10 11127 Riverside Upper Santa Ana River/San Bernardino Valley, Riverside, along Spring Brook between Lake Evans (Fairmont Park) & the Santa Ana River 238 Comment
  SDSU13938  Juncus bryoides Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2108 Riverside Wet meadow region, south end of second small meadow north of El Valle. Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 640 Comment
  RSA719519  Juncus bufonius Naomi Fraga, et al. 2006-7-11 1725 Riverside Mount San Jacinto State Park, Hidden Lake. 2652 Comment
  SD181797  Juncus bufonius Scott D. White 2000-8-5 8109 Riverside San Jacinto Mountains: Near Mountain Center. Unnamed ephemeal drainage (tributary to S Fork, San Jacinto River). 1402 Comment
  SD234231  Juncus bufonius Mitch Provance 2005-5-18 9806 Riverside Warm Springs Valley: Nichols road wetland area at Alberhill Creek, S of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both eht NE and SW sides of Baker St. in the city of Elsinore (Lake Elsinore 7.5' Q) 395 Comment
  UCR225503  Juncus bufonius A. C. Sanders, T. B. Salvato 2011-3-29 38848 Riverside Peninsular Range; Perris-Aguanga Basin Region, valley at toe of hills between Sun City and Perris, powerline corridor between Goetz Rd. and Alabaster Loop, north of Goldenrod Ave. 448 Comment
  UC1601826  Juncus effusus subsp. austrocalifornicus H. M. Hall 1897-8-11 831 Riverside vicinity Strawberry Valley; San Jacinto Mountains 1645 Comment
  UCR24956  Juncus macrandrus A. C. Sanders 1980-8-23 1759 Riverside San Jacinto Mountains, Black Mountain; c. 100 yards above Black Mtn. Campground along a small stream 2241 Comment
  UCR59517  Juncus macrophyllus Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3562 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake Area, along Arroyo Seco drainage from junction with Kolb Creek, S to within 0.25 mi of Hwy 79 457 Comment
  RSA621505  Juncus mexicanus Darin L. Banks 1997-11-15 2196 Riverside NW Palomar Mountains, Agua Tibia Mountains: North face of Dorland Mountain, on the north side of the Dorland Mountain Arts Colony. 549 Comment
  SD241644  Juncus oxymeris A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35564 Riverside Peninsular Range: San Jacinto Mountains: May Valley c. 1.25 miles SW of Fleming Ranch, slope below May Valley Road toward meadow on nameless tributary NW of Herkey Crk., north of Bonita Vista Road (Idyllwild 7.5'Q) 1555 Comment
  SD60445  Juncus oxymeris Reid Moran 1964-7-27 11859 Riverside Edge of stream, canyon of Santa Margarita River, 2I(c) miles south-southwest of Temecula, [3I(c) miles north-northwest of Rainbow]. 199 Comment
  RSA505036  Juncus rugulosus Ed LaRue 1989-7-13 s.n. Riverside Santa Rosa Plateau, Tenaja Road where De Luz Creek crosses road, NW of Mesa de Colorado. Comment
  RSA70054  Juncus rugulosus F. W. Peirson 1924-7-28 5010 Riverside Pine Flats Camp 1799 Comment
  UCR201445  Juncus rugulosus Scott D. White, Justin M. Wood 2008-7-10 12452 Riverside San Jacinto Mountains, Fobes Spring 1500 Comment
  POM319679  Juncus torreyi Patricia Wilder 1971-3-20 4893 Riverside Santa Ana River. Santa Ana River Drainage Area. 244 Comment
  JOTR31801  Juncus xiphioides La Doux, Tasha, K. White, A. Holt, C. Ely, J. Van Warmerdam 2007-2-26 2103 Riverside Joshua Tree National Park. Eagle Mountains; Lost Palms Oasis 944 Comment
  CAS-BOT-BC234586  Justicia californica B. Trowbridge 1979-4-17 6099 Riverside Lower Cottonwood Springs Wash, north of Interstate 10 457 Comment
  CAS-BOT-BC234590  Justicia californica W. R. Dudley 1903-12-25 s.n. Riverside Tahquitz Canon [Canyon] Comment
  POM310160  Justicia californica Hulda Crooks 1946-3-2 251 Riverside Palm Springs area. 139 Comment
  RSA313564  Justicia californica D. C. Michener 1979-3-11 3451 b Riverside Santa Rosa Mountains: Deep Canyon, along Coyote Wash. Comment
  RSA313565  Justicia californica D. C. Michener 1979-3-11 3451 a Riverside Santa Rosa Mountains: Deep Canyon, near the mouth of Sheep Canyon. Comment
  RSA463156  Justicia californica Lyman D. Benson 1933-3-31 4183 Riverside Beginning of Hemet Road [presumably Hwy 74 on desert side, Deep Cyn.] Colorado Desert watershed. 549 Comment
  RSA789360  Justicia californica Aaron C. Sedgwick, David Fraker 2012-3-28 20 Riverside In the Mecca Hills, take Box Canyon Rd. approximately 6 miles south of Rt. 10. 323 Comment
  POM263041  Kallstroemia californica J. C. Roos 1937-8-20 357 Riverside Blythe Comment
  RSA813291  Kallstroemia californica Kristin Forgrave, April Garbat, Deidre Conocchioli 2013-8-13 37 Riverside Sonoran Basin and Range. Chuckwalla Valley: From Blythe, Ca, head west on 1-10 for 23 miles. Exit at Ford Dry Lake, turn left to cross back over the interstate and turn right on Chuckwalla Valley Rd., Site is 1.5 miles down on south side of road, near intersection of Graham Pass Rd (unpaved). Comment
  RSA525429  Keckiella antirrhinoides Steve D. Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4538 Riverside San Jacinto Mountains, Vail Lake area, rolling terrain at jtn of Hwy R3 and Powerline Road, NE of the lake. Comment
  UC1012296  Keckiella antirrhinoides F. W. Pennell and A. L. Grant Apr 28 1940-Apr 29 1940 25290 Riverside below Ribbonwood (Route 74, e of San Jacinto Range) 1402 Comment
  UCD123738  Keckiella antirrhinoides K. Esau 1935-6-20 s.n. Riverside Beaumont Grade. Comment
  UCR91720  Keckiella antirrhinoides A. C. Sanders, J. Goetzen 1996-5-1 18123 Riverside San Bernardino Mtns., Morongo Indian Reservation, along dirt road in Hathaway Creek Canyon, north of Banning 915 Comment
  SD60440  Keckiella cordifolia Reid Moran 1964-7-27 11862 Riverside canyon of Santa Margarita River, 2I(c) miles SSW of Temecula 199 Comment
  CAS-BOT-BC246201  Keckiella rothrockii Ralph Hoffmann 1929-9-6 s.n. Riverside Near Tahquitz Pk., San Jacinto Mts. Comment
  RSA293292  Keckiella rothrockii subsp. jacintensis D. C. Michener 1980-8-18 3804 Riverside Long Valley, near Cornell Peak; 2700 Comment
  RSA293230  Keckiella ternata subsp. ternata D. C. Michener 1980-7-20 3714 Riverside Thomas Mtn. Chaparral/ coniferous forest transition on Thomas Mtn re [6S13] 2.7mi. north of jct. with CA by Lake Hemit. 1450 Comment
  RSA734400  Koeleria macrantha Keith E. Hoffmaster 1934-4-8 348 Riverside Santa Ana Mts, Near Corona Comment
  SEINET10910278  Krameria J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12830 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then ca 1.3 km on Whitewater Canyon Road. Comment
  SD84902  Krameria erecta Nancy Ryan Zabriskie, Walter Zabriskie 1972-4-9 514 Riverside Northwest of Highway 74; Deep Canyon drinage, Santa Rosa Mountains. 1219 Comment
  UCD166268  Krameria erecta Jack Major 1962-4-17 784 Riverside On CA HWY 74 from Pinyon Flat to Palm Desert. (Exact location unknown. Coordinates estimated by label maker.) 900 Comment
  UC1280881  Krameria grayi Frank F. Gander 1938-5-21 5762 Riverside Shaver's Summit Comment
  UCR200303  Krameria grayi Steve Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, T. Thibault 2004-5-14 11228 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
  JEPS41823  Laennecia coulteri S. B. Parish 1912-10-12 8356 Riverside Mecea Salton Basin, Mecea -57 Comment
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Sep 4 2011
  RSA690983  Langloisia setosissima subsp. setosissima Scott D. White, Michael Honer 2003-5-14 9305 Riverside Bajada at foothills of Little Maria Mtns, ca. 20 air miles NW of Blythe, near Standard (Superior) Gypsum Mine. 76 Comment
  UCSB5128  Langloisia setosissima subsp. setosissima Haller, John 1960-4-2 Riverside North base of Orocopia Mtns., 1.3 miles south of the junc. of U.S. 60-70 and the south entrance road to Joshua Tree Natl. Mon. 487 Comment
  SD225025  Laportea ovalifolia A. C. Sanders 1995-11-30 17926 Riverside Riverside: week in the UCR Botanic Garden. 365 Comment
  CAS-BOT-BC171124  Larrea tridentata Javier Penalosa 1963-4-10 2790 Riverside Deep Canyon, 3 mi. south of Palm Desert 213 Comment
  UC867924  Larrea tridentata Lewis S. Rose 1936-12-18 36786 Riverside Palm Springs 138 Comment
  UCR19763  Larrea tridentata Michael Nugent 1969-4-15 3 Riverside Sonoran (Colorado) Desert, 12 mi north of Palm Springs on Hwy 111 at Windy Point; sand dune area at the base of the E-facing slope 915 Comment
  RSA150913  Lasthenia coronaria Peter H. Raven 1962-3-19 16913 Riverside State Highway 74, 1.6 miles northeast of junction with State 71, north of Elsinore. Comment
  RSA617302  Lasthenia coronaria R. S. Woglum 1934-3-18 649 B Riverside San Jacinto Mountains/Sonoran Desert transition: Snow Creek, Coachella Valley. Comment
  RSA645634  Lasthenia coronaria Scott D. White 1999-5-2 7283 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
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Apr 23 2011
  UC30482  Lasthenia coronaria Geo. R. Hall 1901-3-17 1677 Riverside Riverside Comment
  RSA691981  Lasthenia gracilis Scott D. White, Michael Honer 2003-4-2 8925 Riverside Temescal Valley: Alberhill area. North of the I-15 Freeway, on and near crest of unnamed mountain, '2349.' 671 Comment
  CSUSB1275  Lathyrus laetiflorus Carole Sims 1965-3-14 Riverside Roadside, 2-3 miles east of Temecula toward Vail Ranch. 335 Comment
  SEINET238557  Lathyrus vestitus George K. Helmkamp 1998-6-27 4119 Riverside Santa Rosa Mtns.: 5.8 mi SE of Hwy 74 along Santa Rosa Mtn Rd. below Mountain Home Spring. 1799 Comment
  UCR34929  Layia glandulosa L. B. Ziegler 1972-5-4 452 Riverside San Jacinto Mtns, Hemet (Garner) Valley area in Apple Canyon (east of Hemet Lake). 1433 Comment
  UCR179209  Layia platyglossa Mitch Provance, Tracy Tennant 1998-6-16 MOR- 379 Riverside San Bernardino Mtns., Morongo Indian Reservation, Millard Canyon just south of Millard Guard Station 1037 Comment
  RSA5025  Layia platyglossa subsp. campestris Dorothy R. Wolf 1932-3-20 25 Riverside Richman Ranch 2.5 mi N of De Luz. SW Riverside County 457 Comment
  RSA524597  Layia platyglossa subsp. campestris Steve Boyd, Tim Ross, L. Arnseth 1990-3-29 3912 Riverside Vail Lake area, summit of Big Oak Mtn, N. of lake. 793 Comment
  HSC85302  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
  UC218246  Lemna gibba P. A. Munz and I. M. Johnston 1922-5-19 5437 Riverside 1 mi from Garner Ranch (San Jacinto Mountains, Hemet Valley); San Jacinto Mountains, Hemet Valley 1386 Comment
  SD262245  Lepidium dictyotum var. dictyotum Mitch Provance, Jeremiah George 2017-3-23 317 69 Riverside Elsinore Trough: Lake Elsinore, about 350 ft. NW of the corner of Diamond Dr. and Pete Lehr Dr. Disturbed vernal pools. 385 Comment
  RSA429921  Lepidium lasiocarpum Geo Cantwell 1935-4-8 s.n. Riverside McCoy Springs, McCoy Mnts. [NW of Blythe] Comment
  CAS-BOT-BC89669  Lepidium lasiocarpum subsp. lasiocarpum Alice Eastwood 1913-4-30 3052 Riverside Palm Springs. Comment
  UC68541  Lepidium lasiocarpum var. lasiocarpum H. M. Hall Apr 1905 5823 Riverside 8 mi w Coachella; Colorado Desert 0 Comment
  UC1971244  Lepidium latifolium Scott D. White 1998-6-28 6801 Riverside CORONA: River Road bridge over the Santa Ana River. USGS 7.5' Corona North quad. Comment
  UCR216444  Lepidium latifolium Nolan M. Ung 2008-5-20 030 Riverside San Bernardino Valley Region, western Riverside near Pedley, Santa Ana River on the west side of Van Buren Blvd. bridge, north bank of the river 208 Comment
  UCR93064  Lepidium latifolium A. C. Sanders 1994-7-26 15148 Riverside Santa Ana River at the Mission Blvd/7th street Bridge, W foot of Mt. Rubidoux 240 Comment
  UCR260876  Lepidium pinnatifidum A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-4-8 41572 Riverside Peninsular Range; Elsinore Trough, City of Lake Elsinore, vacant lot south of intersection of 3rd St. and Pasadena St., west of Birch St., near drainage channel from lake toward Temescal Creek 387 Comment
  UCR112577  Lepidium virginicum var. robinsonii D. E. Bramlet 1998-4-10 2589 Riverside foothills of French Valley, base of foothills 457m northeast of Rawson Road and 579m east of the MWD Sand Diego canal, 1.22km east of Winchester Rd. (Hwy 79) 488 Comment
  POM31105  Lepidospartum squamatum Marcus E. Jones 1900-7-13 s.n. Riverside Dripping Springs near Temecula. 366 Comment
  RSA554634  Lepidospartum squamatum Scott D. White 1992-9-2 767 Riverside San Jacinto Valley: Vicinity of Gilman Hot Spirngs, N side of San Jacinto River, and a thin strip tending N of the river & W of the Hot Springs. 451 Comment
  UCR138590  Lepidospartum squamatum D. L. Banks 1996-11-7 1220 Riverside Agua Tibia Mountains, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. Along the main road in the Reservation, c. 10 m west of the Pechanga Tribal Center 367 Comment
  RSA0086969  Lepidospartum squamatum H. de Forest, Jack Rempel 1933-10-29 s.n. Riverside San Gorgonio Wash, near Snow Creek Canyon. San Bernardino Mts. Comment
  POM153367  Leptochloa fusca subsp. uninervia P. A. Munz, I. M. Johnston 1928-9-12 11242 Riverside North end of Lake Elsinore. Comment
  CDA32436  Leptochloa uninervia G. D. Barbe 1973-10-19 1733 b Riverside Cotton field, southeast corner of Van Buren and Road 62, west of Thermal 0 Comment
  UC166290  Leptochloa uninervia S. B. Parish 1912-6-28 8119 Riverside Mecca Colorado Desert Comment
  CAS-BOT-BC227047  Leptosiphon floribundus subsp. glaber Ynez W. Winblad 1938-5-15 s.n. Riverside Between E. Capistrano and Lake Elsinore Comment
  SD137680  Leptosiphon floribundus subsp. glaber Darin L. Banks, Steve Boyd 1995-4-5 157 Riverside Agua Tibia Wilderness Area; north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove, east of the Dripping Springs Trail in the north flowing drainage that empties into Arroyo Seco. 548 Comment
  POM364627  Leptosiphon lemmonii Anstruther Davidson s.n. Riverside Idyllwild. Comment
  RSA483566  Leptosiphon lemmonii D. Charlton 1988-5-21 1967 Riverside Thomas Mountain Rd, from North to South. West of Garner Valley and South of Lake Hemet on hwy 74. 1829 Comment
  RSA525323  Leptosiphon pygmaeus subsp. continentalis Steve Boyd, A. C. Sanders, Mark Skinner 1990-4-28 4454 Riverside Vail Lake area, low, sedimentary hills to E of USFS Dripping Springs Campground along Arroyo Seco Crk, S of Hwy 79. 488 Comment
  UC1378940  Lesquerella tenella Reed C. Rollins 1967-4-17 6755 Riverside near Cottonwood Springs campground; Joshua Tree National Monument, near Cottonwood Springs campg Comment
  UCR106346  Lessingia filaginifolia John Wear, N. Moorhatch 1996-9-19 s.n. Riverside Peninsular Range; San Jacinto Mtns., upper end of Garner Valley 1433 Comment
  POM361836  Lessingia glandulifera var. glandulifera I. W. Clokey, E. G. Anderson 1935-8-21 6951 Riverside West of Keen Camp P. O. 1200 Comment
  POM15213  Leymus condensatus Mary F. Spencer 1922-6-30 1984 Riverside Brook's Camp - San Jacinto Mountains. 1220 Comment
  CAS-BOT-BC451634  Lilaea scilloides Robert F. Thorne; Earl Lathrop 1969-5-12 37922 Riverside Santa Rosa Plateau: on S end of Mesa de Colorado, Rancho California. 624 Comment
  RSA627508  Lilium parryi Scott D. White, Julie Green 1998-8-1 6978 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
  UCR107836  Limonium perezii D. L. Banks 1997-5-5 1951 Riverside NW Palomar Mtns., Agua Tibia Mtns: Redhawk Housing Development, north of the Pechanga Indian Reservation. c. 50 m east of the intersection between Vail Ranch Parkway, Redhawk Parkway and Nighthawk Pass 378 Comment
  UCR193304  Limosella acaulis A. C. Sanders, Tim Thomas, T. B. Salvato 2008-6-24 35600 A Riverside Peninsular Range; San Jacinto Mtns., plateau above head of Johnson Meadow canyon, SW of dogleg in May Valley Rd. 1550 Comment
  UCR77689  Linanthus androsaceus subsp. luteolus Steve Boyd, L. Arnseth, Orlando Mistretta 1991-5-6 6149 Riverside Peninsular Range; Santa Ana Mountains, south side of Elsinore Peak 1067 Comment
  CAS-BOT-BC225695  Linanthus californicus Frank W. Gould 1943-4-18 2142 Riverside Near and above Banning on Idlewild cutoff Comment
  HSC95631  Linanthus californicus D. Atwood 1993-3-26 17655 Riverside Summit of Santa Ana Mts., 4.8 mi. S of Lake Elsinore, along Hwy. 74 813 Comment
  UC1929482  Linanthus ciliatus Valerie Soza, Naomi Fraga, Sarah Swartzentruber 2003-6-25 1702 Riverside Peninsular Ranges; San Jacinto Mountains region; Slope above junction of Dark Canyon and Fuller Mill Creek. Comment
  UCR8102  Linanthus ciliatus B. Freeman 1969-6-13 690613- 01 Riverside San Jacinto Mtns., University of California, Riverside's James Reserve, near Lake Fulmor, on road from Banning to Idyllwild. Trailfinder's Camp. 1646 Comment
  SEINET14181904  Linanthus dianthiflorus H. M. Hall April 1903 3793 Riverside Sonoran Zone, vicinity of Riverside. 366 Comment
  RSA480084  Linanthus filiformis Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2173 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  GMDRC3554  Linanthus jonesii J. Andre, T. La Doux 2009-2-25 10829 Riverside Big Maria Mountains: along Hwy 95 (west side of highway), approx 15 mi. N. of Blythe. USGS 7.5 min. Quad: Big Maria Mountains 33 deg. 44.529' N 114 deg. 30.988' W. Elev. 308 ft. 94 Comment
  RSA480085  Linanthus jonesii Steve Boyd, S. Meury, Richard Noyes, L. Arnseth, D. Nordin, T. S. Ross 1988-3-10 2174 Riverside Palen Pass at the north end of the Palen Mountains. 500 Comment
  RSA718866  Linanthus jonesii Michael Honer, L. Hulse 2005-3-8 2039 Riverside Fargo Canyon; first main N-trending fork after entering canyon from bajada. Site of large long MWD aqueduct tunnel tailings pile. 457 Comment
  RSA645177  Linanthus maculatus J. Mark Porter, L. Machen 1995-4-14 10698 Riverside Whitewater Canyon, ca 1.5 mi north of Interstate 10, ca. 0.25 mi south of the fence delineating private property. East of Whitewater Canyon Road, on the terrace below the level of the road. Comment
  UCR91978  Linum usitatissimum S. J. Myers 1996-1-16 s.n. Riverside Perris Basin, 2 mi NE of Perris, flood control channel between Perris Blvd, & Murrieta St., parallel to Nuevo Rd c. 1/4 mi N. 442 Comment
  POM68984  Listera convallarioides Carl V. Meyer s.n. Riverside San Jacinto Mountains. Comment
  RSA593877  Loeflingia squarrosa Steve Boyd, David E. Bramlet 1996-4-19 8623 Riverside San Jacinto Valley, ca 2 air miles NE of Winchester and 0.5 mi W of Ryan Airfield in the upper Salt Creek floodplain, E base of rounded hill at the N end of California Avenue, N of Stetson Avenue 457 Comment
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Mar 20 2011
  RSA676081  Logfia depressa Scott D. White 2001-4-3 8246 Riverside Colorado Desert: Shavers Valley. Near the I-10 Freeway, ca. 15 miles east of Indio jtn I-10 / SR 111. 396 Comment
  UC1022808  Logfia depressa Philip A. Munz 1940-3-23 15688 Riverside n end Pinto Basin; Southern California, Mohave Desert 609 Comment
  UCR54315  Lolium perenne Frank C. Vasek 1956-6-12 s.n. Riverside Riverside: Hwy 60, 1.05 mi east of Chicago Ave. on the University of California, Riverside campus Comment
  SEINET10893749  Lolium rigidum Walter Graves 2002-5-15 Graves 502 -26 Riverside Riverside: grown at U.C.R. in Agricultural Operations Fields Riverside East 7.5' Q. 305 Comment
  RSA0105316  Lomatium lucidum Steve Boyd, Timothy S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4039 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  SD144086  Lomatium lucidum A. C. Sanders, T. Thomas, O. Clarke 1997-5-4 20638 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
  UCR62323  Lomatium lucidum Ed LaRue 1990-4-13 s.n. Riverside Peninsular Range, 0.5 mi. NW of Aguanga, c. 1.5 mi (air) north of San Diego Co. line, north of Hwy 79 and west of Hwy 371 642 Comment
  UCR34985  Lomatium utriculatum L. B. Ziegler 1969-5-5 345 Riverside Peninsular Ranges, San Jacinto Mtns, Hemet Valley ( = Garner Valley), near Pine Meadows 1437 Comment
  UCR100040  Lonicera interrupta Scott D. White 1994-4-23 2049 Riverside San Bernardino Mtns., Millard Canyon, c. 5 air miles north of Cabazon: U.S. Forest Service Road 2S05.1, c. 1-1.5 mi. south of Millard Canyon Guard Station and junction of roads 2S05.2 & 2S05.1A (= East Branch) 1037 Comment
  UCR172790  Lonicera subspicata Wayne Law, Jun Hu 2000-5-16 20 Riverside Peninsular Ranges; Santa Ana Mtns., Eastern edge of Cleveland National Forest, above Temescal Valley in Indian Canyon, 11.8 mi south of Corona 396 Comment
  UCR95946  Lonicera subspicata Scott D. White 1996-8-1 4439 Riverside San Jacinto Mtns., Idyllwild area: north of Strawberry Valley, between Bear Trap Canyon and Lily Creek 1616 Comment
  RSA33622  Lonicera subspicata var. denudata N. C. Cooper 1944-7-15 1582 Riverside Palms to Pines Highway, San Jacinto Mountains. 1280 Comment
  RSA667006  Lotus argophyllus A. C. Sanders, Mitch Provance, T. B. Salvato 2001-5-8 24195 Riverside S. of Hemet, E end of Diamond Valley, ca 1/4 mi. N of Newport Rd. and 3/4 mi. E of State St. 506 Comment
  UCR109483  Lotus argophyllus A. C. Sanders 1994-5-29 14569 Riverside San Bernardino Mtns, Millard Canyon, at stream crossing just below site of Millard Station on Forest Service Road 2S05 1100 Comment
  RSA406721  Lotus argophyllus var. argophyllus Christopher Davidson, B. Gustafson 1977-4-7 5586 Riverside Whitewater Canyon Rd. (exit from Interstate-10 ca. 2.5 mi. W of jct I-10 with State 62); near start of Angeles [Pacific] Crest Trail. Hillside, N slope. 610 Comment
  UCR122740  Lotus argophyllus var. argophyllus George K. Helmkamp, E. A. Helmkamp 1998-4-24 3381 Riverside Santa Rosa Mountains, Pinyon Pines along Calif. Hwy 74 between the San Jacinto and Santa Rosa Mountains 1296 Comment
  RSA406104  Lotus crassifolius N. C. Cooper 1943-9-11 922 Riverside San Jacinto Mountians, Idlewild. 1829 Comment
  SEINET957355  Lotus eriosolen Walter Graves 2001-1 10801 -3 Riverside Riverside: grown at U. C. R. in agricultural Operations Fields/ 305 Comment
  SDSU4300  Lotus grandiflorus unknown 1941-6-9 Riverside San Jacinto Mts. 1219 Comment
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Mar 17 2014
  IRVC26259  Lotus hamatus A. C. Sanders, D. Malueg 2003-5-8 26568 Riverside Los Alamos Road at Warm Springs Creek crossing west of Hwy 79, northeast of the Hogbacks, north of Los Alamos Rd. and east of the creek Perris-Aguanga Basin region 396 Comment
  POM46826  Lotus hamatus Mary F. Spencer 1920-3-29 1453 Riverside In desert sand near Tahquitz Canyon, Colorado Desert Comment
  UCR225441  Lotus hamatus A. C. Sanders, T. B. Salvato 2011-3-29 38844 Riverside Peninsular Range; Edge of Gavilan Hills, Meadowbrook area, between Perris and Lake Elsinore, along Hwy 74 at Wasson Canyon Rd. and to c. 1/2 between Wasson & Hammack Ave. 500 Comment
  RSA406175  Lotus heermannii N. C. Cooper 1944-7-15 1545 Riverside Palms to Pines Highway, San Jacinto Mountains. 1280 Comment
  UCR228851  Lotus humistratus A. C. Sanders 2011-4-26 39327 Riverside Peninsular Range, Alberhill Mountain, south side near Nichols Rd., c. 350 m WNW (276 deg. ) of Nichols Rd. & Pierce St. intersection 395 Comment
  POM12874  Lotus nevadensis var. nevadensis P. A. Munz 1922-7-6 6017 Riverside Tahquitz Valley, San Jacinto Mountains. 2195 Comment
  RSA450112  Lotus rigidus J. C. Roos 1966-2-12 s.n. Riverside Chuckwalla Mtns., 2.5 miles SE of Desert Center Comment
  UC1922410  Lotus salsuginosus Naomi Fraga, Lisa Rojas 2005-2-10 1364 Riverside Colorado Desert; Northeastern Colorado Desert region; Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 365 Comment
  UCR176174  Lotus scoparius subsp. brevialatus Amber Bruno 2005-6-7 52 Riverside Riverside; east side of UC Riverside, east end of Big Springs Rd. on north side of road, 0.25 mi. east of Watkins Dr. but west of the railroad track, Islander Park 351 Comment
  UCR213621  Lotus scoparius subsp. brevialatus A. C. Sanders, Matthew Malle 2010-4-23 37991 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  RSA136565  Lotus scoparius var. brevialatus P. H. Raven 1958-1-23 11416 Riverside Sandy wash along United States Highway 99 [Hwy 10], 8.6 miles west of Thousand Palms turnoff. Comment
  UCR275359  Lotus scoparius var. brevialatus T. B. Salvato, Melissa Clemons 2005-6-9 1502 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  RSA709971  Lotus strigosus Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas 2005-2-10 4589 Riverside Along Palen Pass Road, near Palen Pass, between Granite and Palen Mountains. Bluff of sharp light-colored volcanic rock. 402 Comment
  RSA736318  Lotus strigosus Scott D. White, Justin M. Wood 2008-3-25 11774 Riverside Perris / Elsinore Basin: Foothills of Gavilan Hills at Temescal Wash, near Olsen Canyon, Morgan Property, Alberhill area. 274 Comment
  RSA781906  Lotus strigosus Duncan S. Bell 2010-5-1 884 Riverside Arica Mountains: northwest section of project area, approximately 10.5 air miles southwest of the ghost town of Rice, and approximately 2.6 air miles south of the junction of Highway 62 and the aqueduct access road. 291 Comment
  UCR187510  Lotus strigosus Scott D. White 1995-8-23 3584 Riverside San Jacinto Valley, San Jacinto River, just north of City of San Jacinto boundary, c. 1 mi SE of bridge at State Street 463 Comment
  UCR234803  Lotus strigosus Jim Andre, Glenn L. Clifton 2011-2-22 17474 Riverside Coachella Valley, North Palm Springs c. 0.3 mi north of Hwy 111, at corner of San Rafael and Virginia Street 189 Comment
  UCR88305  Lotus strigosus A. C. Sanders, K. C. Rose 1995-4-5 16374 Riverside San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62 701 Comment
  JOTR01080  Lotus strigosus Cole, James E. 1941-5-4 693 Riverside Joshua Tree National Park. LOST HORSE VALLEY 1310 Comment
  UCR244434  Lotus strigosus var. tomentellus Jim Andre 2012-4-16 20929 Riverside Mojave/Sonoran Desert Transition, Joshua Tree National Park; along Cottonwood Springs Rd, 2.4 mi. north of Cottonwood Visitor's Center 956 Comment
  CSUSB1242  Lotus tomentellus Shirley Hill 1963-3-13 630313 2 Riverside Desert wash at place where houses cease on Vista Chino Street, Palm Springs, about 500 yards up wash. Comment
  RSA709869  Lotus unifoliolatus Scott D. White 2005-7-6 11157 Riverside San Gorgonio Pass: Cabazon. Toeslope of San Jacinto Mtns. and adjacent alluvial fan west of San Gorgonio River and south of I-10 Freeway. 579 Comment
  UCSC000929  Lotus wrangelianus Peter Kamb 1947-5-17 514 Riverside San Jacinto Mts., Hall Canyon 1646 Comment
  CLARK-A1528-667  Ludwigia peploides Ken F. Clarke 1971-9-7 Riverside Santa Ana River Comment
  UCR177641  Lupinus agardhianus S. J. Myers, John Green 2003-4-23 s.n. Riverside San Jacinto Mtns., powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1159 Comment
  RSA590646  Lupinus albifrons var. eminens R. Weatherby 1950-4-13 3021 Riverside Hagador Firebreak Comment
  RSA595733  Lupinus andersonii L. C. Wheeler 1945-10-6 6133 Riverside Head of west fork of Snow Creek. 2377 Comment
  RSA749948  Lupinus arizonicus Justin M. Wood 2009-3-26 415 Riverside Thousand Palms, Under Edison powerlines, near intersection of 30th Ave and Via Las Palmas. 61 Comment
  UCR75059  Lupinus arizonicus A. C. Sanders, E. J. Lawlor 1992-4-4 12124 Riverside Sonoran (Colorado) Desert, McCoy Mountains, within 0.5 mile of McCoy Spring 244 Comment
  UCSB41259  Lupinus arizonicus Cowan, Clark 1978-4-23 Riverside 6.3 mi. (10 km.) S on Hwy. 74 from its junction with Hwy. 111, at Indian Wells; Whittaker transect #W-219 (voucher) 480 Comment
  RSA660564  Lupinus bicolor Lydia Paneri 1982-4-17 35 Riverside Cajalco Road, 2 miles east of I-15; south of Corona. Comment
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May 31 2008
  UC73185  Lupinus bicolor M. F. Gilman 1904-1 15 Riverside Banning Comment
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Mar 13 2011
  UCR201472  Lupinus bicolor Scott D. White, Justin M. Wood 2008-6-5 12083 Riverside San Jacinto Mountains, Garner Valley, Hwy 74 at Thomas Mountain Road, southwest corner of junction 1341 Comment
  UCR241249  Lupinus bicolor T. B. Salvato, Tracy Tennant 1998-4-16 MOR- 1209 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, Potrero Canyon about 1 mile above locked gate, east side of road near old corrals, tree stand P-03 976 Comment
  RSA407105  Lupinus breweri var. grandiflorus Anstruther Davidson 1930-1 s.n. Riverside Colorado Desert. Comment
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Nov 22 2015
  JEPS65056  Lupinus concinnus Marjorie Clary 1930-4-10 8 Riverside Devils Canyon 91 Comment
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Jan 8 2017
  UCR103998  Lupinus concinnus George K. Helmkamp 1998-4-3 3062 Riverside Sonoran (Colorado) Desert, Whitewater River, bordering the north side of Hwy I-10; E side of the river 396 Comment
  UCR97493  Lupinus concinnus A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19883 Riverside Peninsular Range, Lake Skinner area; lower Rawson Canyon, NE of the lake & SW of Black Mtn., along the road 518 Comment
  UCSB3265  Lupinus concinnus Ralph, F. 1959-5-17 Riverside Along roadside of Pines to Palms Hwy. 74; about 17.2 miles north of Pinon Flats Campground; San Jacinto Mtns. 1371 Comment
  RSA560374  Lupinus concinnus subsp. concinnus Steve D. Boyd 1992-4-14 6808 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of Oak Flats area along Bluewater Tributary from Verdugo Tributary S to crest of ridge W side Bluewater Canyon. 732 Comment
  SEINET3208894  Lupinus excubitus var. austromontanus G. Goodwin 2012-6-14 3449 Riverside San Jacinto Mountains, south of Banning along highway 243 just north of Vista Grande viewpoint 1550 Comment
  CAS-BOT-BC216699  Lupinus excubitus var. excubitus Bulletin Torrey Club 1924-9-1 s.n. Riverside Unspecified Comment
  RSA796518  Lupinus excubitus var. hallii Robert F. Thorne, E. W. Lathrop 1977-5-18 49728 Riverside Santa Ana Mountains: Bear Spring [east slope of Santiago Peak] Comment
  RSA613661  Lupinus hirsutissimus D. L. Banks, Victor W. Steinmann 1997-3-13 1459 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
  SBBG98285  Lupinus hirsutissimus N. C. Cooper 1944-4-22 1114 Riverside Banning 701 Comment
  UCR258631  Lupinus hirsutissimus T. B. Salvato, Matthew Malle, Thomas M. Sullivan Jr 2014-4-22 7896 Riverside Peninsular Range, southeastern Gavilan Hills north of Alberhill, dirt extension of Lake Street, c. 1.3 mi north of Hwy 15 and Temescal Canyon 555 Comment
  POM48510  Lupinus hyacinthinus Mary F. Spencer 1919-7-6 1281 Riverside Tahquitz ridge, San Jacinto Mt. 2439 Comment
  RSA489828  Lupinus hyacinthinus D. Charlton 1988-5-28 2121 Riverside Santa Rosa Mts. S of Hwy. 74 dirt road to Toro and Santa Rosa Peaks. Toro Camp Area. 2286 Comment
  SEINET10903865  Lupinus hyacinthinus David B. Dunn 1946-8-18 Dunn 2739 Riverside San jacinto mts., Peak. S slope 200 ft from top. Comment
  RSA89958  Lupinus latifolius subsp. parishii E. K. Balls, Percy C. Everett 1953-7-1 18350 Riverside 6.6 miles SE of San Bernardino National Forest Boundary on road from Idyllwild to Banning, San Jacinto Mts. 1829 Comment
  SEINET10489268  Lupinus latifolius subsp. parishii August J. Breitung 1953-5-30 Breitung 15323 Riverside San juan canyon. In live oak grove. Comment
  UCR48352  Lupinus microcarpus var. densiflorus Steve Boyd 1986-4-22 1763 Riverside Temescal Canyon, W side of Indian Wash, south of I-15 Comment
  JOTR30921  Lupinus sparsiflorus La Doux, Tasha, Bill Truesdell 2008-4-29 2596 Riverside Joshua Tree National Park. Little San Bernardino mountains, north end of Quail Mountain; Steep rocky slopes above side canyon, south of Johnny Lang Canyon (Stop 8) 1219 Comment
  UCR163399  Lupinus sparsiflorus O. F. Clarke 2002-3-15 s.n. Riverside San Jacinto Mtns., Brown Creek drainage just above the confluence with Twin Pines Creek, near the old Cabazon-Idyllwild Rd. 915 Comment
  UCSB3403  Lupinus sparsiflorus Don Graney 1953-3-20 110 Riverside collected 1.0 mi from along the White Water Canyon White Water - White Water Comment
  OBI082969  Lupinus sparsiflorus Rhonda Riggins 1983-3-21 1473 Riverside Cottonwoond Canyon, Joshua Tree National Monument. Common along road. Comment
  POM254322  Lupinus sparsiflorus subsp. sparsiflorus Philip A. Munz 1940-3-24 15710 Riverside 2 miles north of Cottonwood Springs, Eagle Mountains. 915 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
  RSA527862  Lupinus truncatus Scott D. White 1991-5-10 91 -148 Riverside Hwy 79, immediately W of U. S. Forest Service campground at Dripping Springs. 549 Comment
  RSA613470  Lupinus truncatus D. L. Banks, Victor W. Steinmann 1997-3-13 1451 Riverside NW Palomar Mountains, Agua Tibia Mountains: In the Redhawk Housing Development, north of the Pechanga Indian Reservation. The hills south of the intersection of Marge Place and Tehachapi Pass (south of Redhawk Parkway). 378 Comment
  UCR107786  Lupinus truncatus D. L. Banks 1997-5-5 1963 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
  CAS-BOT-BC231420  Lycium andersonii C. F. B. 1904-4-4 4145 Riverside Elsinore Comment
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Sep 3 2017
  POM4210  Lycium andersonii C. F. Baker 1904-4-4 12466 Riverside Elsinore. Comment
  RSA651328  Lycium andersonii N. R. Zabriskie, Walter Zabriskie 1971-2-15 345 Riverside C. 30' up bank from stream bed on west-facing slope of ''North Canyon;'' Andreas Canyon watershed, San Jacinto Mts. 366 Comment
  RSA735218  Lycium andersonii Steve D. Boyd, Tammy Morgan, Aydee Virgen, Sarah J. De Groot, Valentin Arvizu, Tim Thibault 2004-5-14 11241 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
  UCSB5905  Lycium andersonii Haller, John 1960-4-3 Riverside south side of US 60-70; 5.8 miles east of Desert Center 243 Comment
  UC884612  Lycium cooperi I. W. Clokey 1935-4-17 6880 Riverside Cottonwood Springs Comment
  RSA617987  Lythrum californicum R. E. Riefner Jr. 1998-10-15 98 -517 Riverside Elsinore Trough; Lake Elsinore, Palomar Rd. Comment
  UCR180050  Lythrum californicum Mitch Provance 2005-5-18 9804 Riverside Warm Springs Valley, Nichols road wetland area at Alberhill Creek, south of the I-15 Freeway and Collier Ave., along the SE side of Pierce St., properties on both the NE and SW sides of Baker St. in the city of Elsinore 396 Comment
  CSUSB1727  Lythrum hyssopifolia Deborah Sullivan 1973-7-9 Riverside Glen Avon, Riverside. 243 Comment
  POM4782  Machaeranthera asteroides M. Durant, L. T. Street 1918-5-13 1 Riverside Hemet. 335 Comment
  UCR60656  Machaeranthera canescens subsp. ziegleri L. B. Ziegler 1969-9-30 s.n. Riverside Santa Rosa Mtns, north slope of Santa Rosa Mtns. 2287 Comment
  RSA0001386  Machaeranthera canescens var. ziegleri L. B. Ziegler 1969-9-30 s.n. Riverside Santa Rosa Mts. 1982 Comment
  RSA776348  Machaeranthera pinnatifida subsp. gooddingii Duncan S. Bell 2010-3-20 620 Riverside Riverside Mountains; in the vicinity of Calzona Mine; approximately 2 air miles northeast of Riverside Mountain Peak. 232 Comment
  UCR34958  Madia elegans subsp. wheeleri L. B. Ziegler 1968-6-12 312 Riverside San Jacinto Mtns, Thomas Mtn 1982 Comment
  SD137862  Madia exigua Darin L. Banks, Steve Boyd 1995-5-9 392 Riverside Cleveland National Forest, Agua Tibia W Area, North face Agua TibiaMountain,Dorland Mountain area, west Dripping Springs Alcove,WoodchuckCamp 700 Comment
  CAS-BOT-BC206694  Malacothamnus densiflorus Ynez W. Winblad 1938-5-15 s.n. Riverside Lake Elsinore Comment
  UCR58854  Malacothamnus densiflorus Steve Boyd, T. S. Ross, L. Arnseth 1989-5-7 3546 Riverside Peninsular Ranges; Palomar Mountains region, Vail Lake area, pond and freshwater marsh in Kolb Creek, just south of the lake Comment
  RSA433318  Malacothamnus fasciculatus N. C. Cooper 1944-5-21 1279 Riverside Hemet. 549 Comment
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Oct 19 2009
  SDSU7520  Malacothamnus fasciculatus H. Wedberg 1962-5-23 949 Riverside 4.8 miles from Hwy 395 at Rainbow, on road to Santa Margarita River and Temecula Canyon. 366 Comment
  RSA574751  Malacothrix californica Steve Boyd 1983-6-21 s.n. Riverside Gavilan Hills region, Gavilan Plateau, south of Harford Springs Country Park, just south of Ida-Leona Road and west of Piedras Road 610 Comment
  UCR34908  Malacothrix californica L. B. Ziegler 1967-4-25 122 Riverside San Jacinto Mtns Foothills, Cahuilla Indian Reservation [near Anza] 1067 Comment
  POM10289  Malacothrix clevelandii Charlotte M. Wilder 1905-5-14 582 Riverside Summit Jurupa Hills and extending north-west slope about 200 ft. 671 Comment
  CAS-BOT-BC347688  Malacothrix glabrata LeRoy Abrams 1903-4-6 3213 Riverside Cabazon Comment
  CAS-BOT-BC347693  Malacothrix glabrata H. M. Hall 1905-5-1 6028 Riverside Colorado Desert. Near Pinto Mts. Comment
  POM294109  Malacothrix glabrata Lyman Benson 1946-4-15 12017 Riverside 2 miles east of Banning, Colorado Desert. 609 Comment
  SEINET3082467 Image available Malacothrix glabrata B. Pitzer 1988-3-10 654 Riverside W side of Chuckwalla Mtns., on gas line road ca. 1.5 mi. N of intersection with Red Cloud Mine Rd. (& wash); ca. 2 airline miles S of Hwy I-10. 487 Comment
  UCR244316  Malacothrix glabrata Jim Andre 2012-4-16 20891 Riverside Sonoran (Colorado) Desert, Joshua Tree National Park; along Cottonwood Springs Rd., 1.0 mi. north of south entrance to J.T.N.P. 584 Comment
  UCR94256  Malacothrix glabrata Scott D. White 1996-4-14 3897 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
  UCR37450  Malacothrix saxatilis Steve Boyd 1981-4-29 s.n. Riverside Gavilan Hills, Arroyo del Toro [Bull Canyon] Comment
  UCR91620  Malacothrix saxatilis var. tenuifolia D. L. Banks, Steve Boyd 1995-6-27 0741 Riverside NW Palomar Mtns., Agua Tibia Mtns., along the Crosley Road, north of the jct between the Cutca Road; north of the Devils Hole area, north of the Forest Boundary. north of the first gate along the road approx 1/2 mi from Hwy 79 518 Comment
  UC667300  Malacothrix stebbinsii Annie M. Alexander and Louise Kellogg 1941-5-7 2129 Riverside 12 mi sw 29 Palms; Colorado Desert, Joshua Tree National Monument 1310 Comment
  RSA171929  Malosma laurina R. F. Thorne 1963-7-26 32820 Riverside Santa Ana Mts., Cleveland National Forest, Trabuco District 305 Comment
  SD193212  Malosma laurina A. C. Sanders, Kelly Volansky 2005-8-31 31593 Riverside Santa Ana Mountains Region: Santa Rosa Plateau, hills west of headwaters of De Luz Creek, 50 acre parcel on east side Avenida La Cresta south of Sierra Elena Road., ca. 0.5 mile north of Tenaja Rd. 671 Comment
  RSA19893  Malvella leprosa Robert F. Thorne, P. A. Munz, E. W. Lathrop 1968-5-8 37573 Riverside Santa Rosa Plateau: Mesa de Colorado, Rancho California 671 Comment
  POM316964  Mammillaria dioica Edward Anderson 1962-2-24 1836 Riverside On the Palms to Pines highway out of Palm Springs. Northeast of the road amoung the rocks near a pull-put by a drinking fountain. San Jacinto Mountains. Comment
  RSA541823  Mammillaria tetrancistra H. G. Rush 1948-4-16 s.n. Riverside 2 miles north of Whitewater, east of Hwy 66. Comment
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Jan 14 2010
  CLARK-A1045-182  Marah fabacea var. agrestis George K. Helmkamp 1979-5-5 Riverside Santa Ana Mountains vernal pool; Wildomar 7.5'Q Comment
  RSA772015  Marah macrocarpa Orlando Mistretta, Duncan S. Bell, J. D. England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4955 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 850 Comment
  SD138007  Marah macrocarpa Darin L. Banks, Steve Boyd 1995-3-30 131 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, Agua Tibia Mountain, Woodchuck Trail 633 Comment
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Jun 4 2009
  UCD107542  Marah macrocarpa Raymond A. Evans 1999-3-10 s.n. Riverside North of Palm Springs, canyon west of White Water Canyon. Comment
  UCR41367  Marah macrocarpa N. M. Fellows 1985-3-3 86 Riverside San Jacinto Mtns, Oasis de los Osos Preserve of the Nature Conservancy, off Snow Creek Canyon at the north foot of San Jacinto Mountain, l mile west of Snow Creek Village 489 Comment
  RSA220379  Marina parryi C. W. Tilforth, John Dourley 1971-4-15 346 Riverside Ca. 7 miles NNE of Desert Center, Valley floor SE of Eagle Mountains. Comment
  RSA698735  Marina parryi W. Marquart 1938-3-12 s.n. Riverside 10 miles west of Blythe. Comment
  RSA799876  Marina parryi Scott D. White, Robert Black 2011-2-25 13391 Riverside Sonoran Desert: Kaiser Road N of 10 freeway along long bend in road. 207 Comment
  RSA409844  Marrubium vulgare Freda Detmers 1931-6-19 s.n. Riverside Chino Hills. Comment
  RSA557320  Marsilea vestita Julie Greene, Steve Boyd, Dave Bramlet, Hilda Flores, Helga Ochoterana 1993-7-9 1433 Riverside San Jacinto Wildlife Area: from the edge of drying flood area. 433 Comment
  RSA735854  Matricaria globifera Scott D. White, Justin M. Wood 2008-4-15 11877 Riverside Perris Valley: Interstate 215, between Nuevo Rd and Scott Rd. 427 Comment
  RSA586041  Meconella denticulata D. L. Banks, S. D. Boyd 1995-3-16 94 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, Arroyo Seco drainage. 537 Comment
  RSA522305  Medicago lupulina Steve D. Boyd 1989-7-9 3775 Riverside City of Riverside, 4863 Rubidoux Ave. Comment
  CAS-BOT-BC47745  Melia azedarach A. C. Sanders 1997-5-1 20616 Riverside Lake Skinner area: old house site at gated road junction into Shipley Reserve area 457 Comment
  JOTR35131  Melica imperfecta La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-5-9 3243 Riverside Joshua Tree National Park. West of Queen Mountain, southern end of Wonderland of Rocks; Wonderland Wash, north of Mill Street Mine parking area. Active wash corridor with sandy bottom and surrounded by granitic outcrops and pediments; with heavy foot traffic (Stop 1) 1297 Comment
  SEINET7097940  Melica imperfecta A. G. Vestal 1937-5-9 s.n. Riverside Lat. 33 43' 11ao N, Long. -116 58' 15ao W. (NAD 27 converted to WGS84 decimal degrees) South of Hemet at the foothills of Santa Rosa Hills. UTM Zone 11, 502695 mE, 3730874 mN. Comment
  UC38849  Melica imperfecta H. M. Hall Jun 1901 2306 Riverside North Fork; San Jacinto Mountains 914 Comment
  UC76981  Melica imperfecta H. M. Hall 1899-5-21 1110 Riverside Strawberry Creek; San Jacinto Mountains 1371 Comment
  UCR162267  Melica imperfecta S. J. Myers, John Green 2003-4-4 s.n. Riverside San Jacinto Mountains, powerline trail west of Juan Diego Flats toward Reed Valley, NW of Cahuilla Mountain 1220 Comment
  UCR240631  Melica imperfecta Tracy Tennant, Mitch Provance 1998-6-16 MOR- 405 Riverside San Bernardino Mtns. Foothills, Morongo Indian Reservation, upper Millard Canyon, north of Cabazon 1052 Comment
  UCSB39324  Melica imperfecta Jorgensen, Jan 1982-3-23 Riverside 3 kilometers up road to aerial tramway, Palm Springs 120 Comment
  RSA519229  Melilotus indicus Ed LaRue 1989-5-8 s.n. Riverside Mockingbird Canyon area, S of Van Buren Blvd and ca 1/2 mi (airline) E of Mockingbird Canyon Road. Comment
  UCR273502  Melinis repens subsp. repens A. C. Sanders, Glen Morrison 2016-8-4 42614 Riverside Peninsular Range; Santa Ana Mountains, Santa Rosa Plateau, along Corona Cala Camino near intersection with El Cerezo Rd., south side of Redonda Mesa 732 Comment
  CAS-BOT-BC223710  Mentzelia K. Larson 1977-5-12 2286 Riverside Wiley Wells Road ca. 20 mi. W. Blythe Comment
  SEINET11978669  Mentzelia dispersa Unknown 1936-1 12839 Riverside Colorado Desert, N of Palm Springs Comment
  JOTR36438  Mentzelia involucrata La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3410 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
  RSA440404  Mentzelia involucrata N. R. Zabriskie, W. M. Zabriskie 1973-4-25 652 Riverside W-central portion Sec 30. Deep Canyon drainage, E side Hwy 74, opposite Black Hill, Santa Rosa Mtns. Site 22. 915 Comment
  RSA440405  Mentzelia involucrata N. C. Cooper 1949-4-8 3249 Riverside Indio. Mecca Pass, east of Indio. 457 Comment
  SBBG97174  Mentzelia involucrata W. L. Halvorson 1977-3-8 77 -94 Riverside 1 mi S of S entrance to Joshua Tree Nat Monument Comment
  UCD117237  Mentzelia involucrata P. C. Everett 1958-4-29 23009 Riverside U.S. Hwy 60/70, Indio to Blythe, 6.5 miles east of junction with U.S. Hwy. 99. 243 Comment
  UCR241526  Mentzelia involucrata A. C. Sanders, Mitch Provance, Fred M. Roberts 2013-3-22 40644 Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, Graham Pass at large wash crossing Graham Pass Rd. north of the summit 410 Comment
  POM17935  Mentzelia micrantha P. A. Munz 1923-6-14 7121 Riverside Glen Ivy Trail to Santiago Peak 1067 Comment
  RSA0120306  Mentzelia veatchiana Duncan S. Bell 2016-4-16 9322 Riverside Whitewater Watershed; Whitewater Canyon; collecting in Rainbow Canyon, approximately 2.5 air miles east northeast of Kitching Peak. 1023 Comment
  UCD96999  Mesembryanthemum nodiflorum A. C. Sanders 2004-5-12 27856 Riverside Elsinore Basin Region: Alberhill Mountain, northwest foot near Lake St. at Alberhill. 377 Comment
  UCR48524  Mesembryanthemum nodiflorum Steve Boyd 1986-4-19 1713 Riverside Peninsular Range, Temescal Canyon, Warm Springs Valley, Alberhill Creek east of Nichols Road 366 Comment
  UCR112009B  Microseris douglasii subsp. douglasii A. C. Sanders, T. B. Salvato 2000-5-25 23410 B Riverside Peninsular Range, Menifee Valley, south of Newport Rd., north of Holland Rd. and west of Bradley Rd., 2 miles due east of Railroad Canyon Lake 488 Comment
  RSA543832  Microseris douglasii subsp. platycarpha Steve Boyd, Orlando Mistretta 1991-5-22 6293 Riverside Vail Lake area, base of Agua Tibia Mtn, E of Dorland Mtn, W of Kolb Crk. 549 Comment
  POM15165  Microseris lindleyi Mary F. Spencer 1922-4-23 531 Riverside Maillard Canyon, prope [near] Banning. 701 Comment
  POM363471  Microseris lindleyi Ora M. Clark 1929-3-2 1597 Riverside Near Alberhill Comment
  RSA543959  Microsteris gracilis subsp. gracilis Steve Boyd, Orlando Mistretta 1991-5-9 6190 boyd Riverside Santa Ana Mountains, lower flank of range along the Bedford Truck Trail on ridge between Bedford and McBribe Canyons. 549 Comment
  RSA0018784  Mimetanthe pilosa Marcus E. Jones 1926-6-20 s.n. Riverside 20 miles north of Idyllwild. Comment
  SEINET10796646  Mimulus J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12837 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then a few kilometers on Whitewater Canyon Road to where it comes closest to the river. Comment
  HSC85259  Mimulus aurantiacus var. pubescens Steve Boyd 1986-4-22 1749 Riverside Stable alluvial benches of Indian Wash just S of Interstate Hwy 15 Comment
  UCR116705  Mimulus aurantiacus var. pubescens Dan Hare 2001-6-14 s.n. Riverside San Jacinto Mtns., Hwy 74, 3.5-4 miles west of Mountain Center 1098 Comment
  RSA4390  Mimulus aurantiacus var. puniceus Dorothy R. Wolf 1932-3-20 36 Riverside Richman Ranch 2.5 mi N of De Luz. SW. 457 Comment
  UC1018203  Mimulus aurantiacus var. puniceus J. Warren 1952-3-16 Riverside Lake Elsinore 457 Comment
  UCR116704  Mimulus aurantiacus var. puniceus Dan Hare 2001-5-1 s.n. Riverside Santa Ana Mtns. region, Cleveland National Forest near Upper San Juan Campground, off the Ortega Highway near the confluence of Morrell and Decker Canyons 579 Comment
  RSA0030785  Mimulus aurantiacus var. puniceus N. C. Cooper 1944-6-4 1321 Riverside Elsinore Mountain. Lookout at top. 1067 Comment
  CLARK-A1528-859  Mimulus bigelovii Charlotte Stocks 1963-4-15 Riverside Box Canyon Comment
  RSA0056448  Mimulus bigelovii R. Cooper 1944-6-17 1417 Riverside San Jacinto Mountains, above Banning. 1219 Comment
  RSA33546  Mimulus brevipes N. C. Cooper 1944-5-21 1223 Riverside Hemet. 549 Comment
  UCR217549  Mimulus clevelandii Diane Menuz, Ana Hernandez 2009-6-1 500 Riverside Palomar Mtns., Agua Tibia Wilderness, 3.5 km south of Hwy. 74, c. 1 km south of Korean retreat camp, along old Woodchuck trail. Steep slope next to trail 841 Comment
  RSA282793  Mimulus diffusus C. W. Tilforth, B. Busenberg 1980-6-10 1988 Riverside Along Thomas Mtn. Rd. West of Hwy 74 and south of Lake Hemet. Comment
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May 23 2008
  RSA523547  Mimulus diffusus Steve Boyd, Tim S. Ross, L. Arnseth, Jaime Bonilla 1990-4-2 4007 Riverside Vail Lake area, lower slopes of Agua Tibia Mtn, along Hwy 79, E of USFWS Dripping Springs Guard Station. 488 Comment
  JOTR31050  Mimulus guttatus La Doux, Tasha, Maria Harding, Mark Wheeler 2010-5-20 2033 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Lower Covington Flats; STOP 1: drainage heading toward Smithwater Canyon, rocky canyon with narrow sandy bottom Comment
  UCSB7515  Mimulus guttatus Ralph, F. 1959-5-16 Riverside in San Jacinto Mtns; 8.5 miles north of Idyllwild and about 17.8 miles south of the corner of 8th St. and San Gorgornio Rd., Banning 1676 Comment
  RSA0054845  Mimulus guttatus var. nasutus Keith E. Hoffmaster 1933-4-14 528 Riverside Tahquitz canyon. Comment
  RSA0030779  Mimulus moschatus Mary F. Spencer 1919-7-3 1288 Riverside Near brook, Idyllwild. Comment
  UC26999  Mimulus nasutus H. M. Hall June 1901 2190 Riverside s side San Jacinto Mountains 1371 Comment
  UCR68851  Mimulus palmeri Steve Boyd, T. S. Ross 1990-5-11 4635 Riverside Peninsular Range, Cleveland National Forest: Vail Lake area, Arroyo Seco drainage, canyon bottom at N base of Wild Horse Peak, SE of Dripping Springs campground 610 Comment
  SBBG66693  Mimulus parishii M. D. Clary 1928-7-15 1060 Riverside Whitewater Cyn 762 Comment
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Jan 15 2010
  UCR174078  Mimulus pilosus A. C. Sanders, T. B. Salvato, Kelly Volansky 2006-5-26 32592 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
  UCR194225  Mimulus pilosus Scott D. White, Angelia Carey 2004-6-4 10472 Riverside San Jacinto Mtn Foothills, San Jacinto River wash and adjacent alluvial benches, near Indian Creek confluence 534 Comment
  UCR102757  Mirabilis bigelovii B. G. Pitzer, O. F. Clarke, S. Reed, G. Ruiz 1998-3-7 3579 Riverside San Bernardino Mountains, Wildlands Conservancy's Mission Creek Preserve, c. 2 mi. up canyon from entrance at ranch gate, on Mission Creek Road, off of Calif. Hwy 62 762 Comment
  CHSC36008  Mirabilis bigelovii var. retrorsa James Henrickson 1973-3-18 8609 Riverside Ca. 33 (air) miles E of Temecula, 5-7 miles SE of Terwilliger at N end of Coyote Canyon Road, on the first steep grade down to canyon. 792 Comment
  JOTR29604  Mirabilis bigelovii var. retrorsa Andre, Jim 2006-4-26 6761 Riverside Joshua Tree National Park. Long Canyon, approximately 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  RSA0027985  Mirabilis laevis var. crassifolia A. C. Sanders 1997-3-1 19745 Riverside Riverside: S end of the range along Gernert Rd. (dirt road paralleling the mountain front), in valley draining to Box Spring Canyon. 457 Comment
  CAS-BOT-BC434818  Mirabilis laevis var. retrorsa S. B. Parish 1916-5-13 10847 Riverside Cottonwood Spr., Colorado Desert 792 Comment
  SD119907  Mirabilis multiflora var. pubescens Louis B. Ziegler 1964-8-30 21 Riverside San Jacinto Mountains, Garner Valley. 1431 Comment
  UC219570  Mirabilis multiflora var. pubescens P. A. Munz 1922-6-24 5812 Riverside Pipe Creek; San Jacinto Mts, Hemet Valley 1463 Comment
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Mar 25 2011
  CAS-BOT-BC229625  Mirabilis tenuiloba Milo S. Baker 1928-4-3 2829 L Riverside Tahquitz Canon [Canyon] near Palm Springs Comment
  CHSC1081  Mirabilis tenuiloba V. Holt 1942-3-27 Riverside Santa Rosa mountains. Comment
  SEINET8255138  Mohavea D. W. McNeal 1988-3-18 3230 Riverside bottom of Mecca Canyon beside Hwy. #195, 9.5 mi. sw. of Interstate #10 s. of Joshua Tree Nat. Mon. Comment
  JOTR31982  Mohavea confertiflora La Doux, Tasha, M. Harding, M. Wheeler, T. Herskovits 2011-4-14 2157 Riverside Joshua Tree National Park. Southwest Eagle Mountains; west of Lost Palms Canyon; bouldery canyon with sandy wash bottom 731 Comment
  RSA136564  Mohavea confertiflora Peter H. Raven 1959-1-23 11432 Riverside Desert alluvial fan of Fargo Canyon. Comment
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Jun 9 2012
  RSA408766  Mohavea confertiflora H. C. Ackley 1926-02 s.n. Riverside Shavers Well, Colorado Desert. Comment
  UC126865  Mohavea confertiflora H. M. Hall 1905-4-16 5778 Riverside near Indio Mountain (in the Colorado Desert); Colorado Desert 150 Comment
  UC724358  Mohavea confertiflora Aven and Ruth Nelson 1939-3-28 3318 Riverside near Hidden Springs Comment
  UCR218318  Mohavea confertiflora Tasha La Doux, Jim Andre 2009-3-10 389 Riverside Joshua Tree National Park, south end of the Cottonwood Mountains near Pinkham Wash, just north of aqueduct just inside JTNP boundary, c. 7 miles west of south entrance into park at Cottonwood 542 Comment
  RSA339249  Mollugo cerviana Robert F. Thorne, R. Dahlgren, Gertrud Dahlgren 1979-8-22 53589 -a Riverside Joshua Tree National Monument: Hidden Valley. 1280 Comment
  UCR125892  Monardella A. C. Sanders, Mark Elvin 2001-8-17 24595 Riverside Mojave Desert, Little San Bernardino Mtns, trail from Key's View to Inspiration Point, Joshua Tree National Park 1646 Comment
  SEINET13948595 Image available Monardella lanceolata Carl B. Wolf 1932-1 3914 Riverside San Jacinto Mts. Point View, near Idyllwild. Alt 5400 ft. 1646 Comment
  POM4044  Monardella lanceolata var. lanceolata H. M. Hall 1901-07 2527 Riverside In the vicinity of Strawberry Valley. 1585 Comment
  RSA401570A  Monardella lanceolata var. lanceolata G. R. Johnstone 1928-9-3 s.n. Riverside Mt Tahquitz Trail. 2287 Comment
  UC1499927  Monardella nana E. McClintock, H. Lewis 1941-6-29 77 Riverside Santa Rosa Mt. road, 1 mi beyond canyon where stream crosses road Comment
  RSA750409  Monardella nana subsp. arida Elizabeth McClintock 1941-6-8 64 Riverside Road to Santa Rosa Mt. 2.5 miles above Pines to Palms Highway. Comment
  SEINET4151979 Image available Monardella nana subsp. arida Elizabeth McClintock, Harlan Lewis 1941-1 076 Riverside Peninsular Range; Santa Rosa Mtns.; road up Santa Rosa Mountain, 0.5 mile beyond canyon where stream crosses road 1944 Comment
  POM229026  Monardella nana subsp. tenuiflora P. A. Munz 1937-5-31 15114 Riverside Head of Coyote canyon 1067 Comment
  RSA750303  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-17 118 Riverside San Jacinto Mts. Trail to Suicide Rock. Comment
  SD135258  Monardella nana subsp. tenuiflora Craig Reiser, Dylan Hannon 1993-5-30 Riverside Northern slope of Santa Rosa Peak Comment
  UCR221473  Monardella nana subsp. tenuiflora Elizabeth McClintock 1941-7-15 117 Riverside Peninsular Range; San Jacinto Mtns., on the Idyllwild road, a short distance below the Keen Camp turn off, in canyon where the Pseudotsugas first occur 1479 Comment
  UCR17343  Monolepis nuttalliana O. F. Clarke 1970-9-24 s.n. Riverside San Bernardino Valley Region, Riverside, Santa Ana River bottom just east of the old Salt Lake RR Bridge 216 Comment
  POM14301  Monoptilon bellioides P. A. Munz, D. D. Keck 1922-4-9 4831 Riverside South base of Eagle Mountains 3 miles NE of the 'Hayfields' 213 Comment
  POM57988  Monoptilon bellioides H. M. Hall 1902-04 2792 Riverside Coyote canyon 152 Comment
  RSA444320  Monoptilon bellioides Walter Wisura 1988-3-1 4189 Riverside 2.5 mi fr. I 10 along Box Canyon Rd. toward Mecca Comment
  UC1259283  Monoptilon bellioides T. J. Watson Jr. 1970-3-25 370 Riverside 20 mi n Cottonwood Springs Ranger Station (along paved road through Joshua Tree National Monument); Joshua Tree National Monument Comment
  UCR16702  Monoptilon bellioides D. H. Wilken 1966-3-26 775 Riverside San Bernardino Mtns./ Sonoran (Colorado) Desert, Whitewater Canyon near Cabazon 610 Comment
  UCR19047  Monoptilon bellioides John C. Roos 1966-3-20 s.n. Riverside Sonoran (Colorado) Desert, Chuckwalla Mountains, 2 miles southeast of Desert Center 366 Comment
  SEINET8044079 Image available Morus alba A. C. Sanders, Sandra L. Leatherman, Jeff Crain 2015-1 41552 Riverside Peninsular Range: Eastern Foot of the Santa Ana Mtns: Temescal Valley jsut below I-15 bridge near Hostettler Road, Se of Lee (Corona) Lake, south side of I-15, 2.17 km west of Lake St. at Alberhill. 363 Comment
  RSA483256  Muhlenbergia asperifolia L. E. Hoffman 1932-5-28 s.n. Riverside Near San Jacinto 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
  RSA403581  Muhlenbergia microsperma A. Dunn 1932-3-26 s.n. Riverside Box Canyon Comment
  RSA605174  Muhlenbergia microsperma A. C. Sanders, G. Helmkamp, P. J. MacKay, et al. 1995-3-19 16182 Riverside Coachella Valley: N-facing rocky slope in Chino Canyon along the Palm Springs tram road, 2 miles above Hwy 111 (Palm Canyon Dr.) 490 Comment
  JOTR33124  Muhlenbergia rigens La Doux, Tasha, Mike Bell 2003-10-17 1593 Riverside Joshua Tree National Park. Little San Bernardino Mountains, Wonderland of Rocks; Wonderland Wash, active wash corridor with sandy bottom, surrounded by granitic outcrops and pediments 1310 Comment
  RSA595328  Muhlenbergia rigens D. L. Banks, Victor Steinmann 1996-4-20 903 Riverside NW Palomar Mountains; Agua Tibia Mountains; NW foothills of Dorland Mtn.; S end of Los Caballos Road, University of California-Emerson Oaks Reserve. Along trail to the W, approx. 50 m S of the gate to the Reserve. 451 Comment
  UCR49990  Muhlenbergia rigens S. J. Myers 1987-10-27 s.n. Riverside Peninsular Range; Santa Ana Mtns., c. 3 mi. west of Temecula, NE portion of Santa Rosa Plateau, 3/4 mi. east of Walker Basin 488 Comment
  RSA282919  Muilla maritima C. W. Tilforth, B. Busenberg 1980-6-17 2007 Riverside 0.1 mi. in from Highway 74 along north leg of Thomas Mountain Road, south of Lake Hemet. Comment
  UCR136623  Myosurus minimus subsp. apus F. W. Peirson 1922-4-29 2945 Riverside Elsinore Trough, Lake Elsinore, about mudflat south of lake 375 Comment
  SBBG34981  Myriopteris clevelandii T. L. Secrest 1951-5-21 Riverside 3 mi S of Banning Comment
  SBBG34746  Myriopteris viscida J. G. Lemmon -Apr- Riverside bluffs of White Water River on the Colorado Desert; ISOTYPE Comment
  UCD138165  Najas marina Richard Yeo 1977-6-17 s.n. Riverside Canyon Lake, ca. 3.5 miles southeast of Arlington. Comment
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Dec 2 2014
  RSA715323  Nama demissa Ora M. Clark 1929-3-16 1706 Riverside South Cabazon. Comment
  SBBG99407  Nama demissa W. L. Halvorson 1977-2-15 77 -29 Riverside near jct of Interstate 10 and rd to Joshua Tree Nat Monument Comment
  CHSC108884  Nama demissa var. demissa Orlando Mistretta; D. Bell, J. England, J. Hall, C. McDonald, L. Reccia 2010-4-13 4986 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 0-1 miles above Whitewater Visitor Center (Whitewater Trout Farm). Between N34.00456, W116.67238 and N33.99629 and W116.66010. 750 Comment
  UC700956  Nama demissa var. demissa Aven and Ruth Nelson 1939-3-29 3322 Riverside between Mecca and Hidden Springs; between Mecca and Hidden Springs Comment
  POM263110  Nassella cernua J. C. Roos 1937-5-10 430 Riverside Perris Comment
  CAS-BOT-BC260109  Nassella pulchra S. B. Parish; W. F. Parish 1882-6-1 1550 Riverside Base of San Jacinto Mountain Comment
  RSA689488  Nassella pulchra Scott D. White, Michael Honer 2003-4-2 8899 Riverside Just west of I-15 Freeway and northeast of Lawson Dr. 305 Comment
  SBBG103909  Nassella pulchra S. D. White 1993-4-20 1211 Riverside Estelle Peak, Gavilan Hills 822 Comment
  UCR174147  Navarretia atractyloides A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32579 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
  UCR19167  Navarretia atractyloides John C. Roos 1950-5-27 4818 Riverside Peninsular Range, Hills NE of summit of Reche Canyon 762 Comment
  UCR25246  Navarretia fossalis John C. Roos 1952-5-28 5729 Riverside Perris-Aguanga Basin region, San Jacinto River bottomland 1 mile southeast of Perris 427 Comment
  RSA234039  Navarretia prostrata R. F. Thorne, Lathorp 1969-5-12 37929 Riverside Santa Ana Mountains, Santa Rosa Plateau, Mesa de Colorado, Rancho California 624 Comment
  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
  JEPS57110  Nemacaulis denudata var. denudata M. French Gilman 713 Riverside desert e Palm Springs Comment
  SEINET10458415  Nemacladus longiflorus Jepson 1901-5-17 JEPSON 1553 A Riverside Temecula River Comment
  RSA0126341  Nemacladus longiflorus var. longiflorus E. C. Jaeger 1921-7-7 1178 Riverside Tahquitz trail. Comment
  POM178629  Nemacladus orientalis Marcus E. Jones 1930-4-2 26444 Riverside Hayfields Comment
  UC218060  Nemacladus orientalis P. A. Munz and D. Keck Apr 9 1922-Apr 12 1922 4852 Riverside vicinity Corn Springs; Colorado Desert, Chuckwalla Mountains 426 Comment
  RSA543890  Nemacladus ramosissimus Steve Boyd 1991-5-20 6260 Riverside Temescal Canyon, S flank of Alberhill Mtn, W end adjacent to old clay mine area. 426 Comment
  UCSB38679  Nemacladus sigmoideus Cowan, Clark 1978-4-23 Riverside ESE slope above San Jacinto tramway parking lot, Chino Canyon 570 Comment
  UCR127493  Nemacladus tenuis var. tenuis A. C. Sanders, G. Nuhn 1995-4-20 16593 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
  UC489037  Nemophila menziesii C. V. Meyer Jun 1927 185 Riverside Saunder's Meadow , Saunder's Meadow (San Jacinto Mts.) 1676 Comment
  UCR133409  Nemophila menziesii Jeffrey Ross, T. B. Salvato 1998-6-9 MOR- 325 A Riverside San Bernardino Mtns. Region, Morongo Indian Reservation, Lion Canyon, c. 3.5 miles NNW of Cabazon 854 Comment
  UCR87848  Nicotiana attenuata Michael A. Patten, S. J. Myers 1993-8-20 s.n. Riverside Sonoran (Colorado) Desert, along Tahquitz Creek and behind the debris basin dam in Palm Springs 183 Comment
  RSA559348  Nicotiana bigelovii var. wallacei Steve D. Boyd 1992-5-15 7394 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Major lateral drainage north of Bear Canyon, vicinity of the junction of Tenaja and Morgan Trails, west of Round Potrero. 671 Comment
  UCR166856  Nicotiana clevelandii 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
  UCR85251  Nicotiana clevelandii A. C. Sanders, G. K. Helmkamp, P. J. MacKay 1995-3-19 16184 Riverside Western Colorado Desert, Coachella Valley, Willow Hole, 4 miles south of Desert Hot Springs. 213 Comment
  RSA426700  Nicotiana glauca D. A. Young 1969-3-28 P- 302 Riverside 1/2 Mile NE of interstate 10 on Verbenia Ave. 100 yds S of Chaparral Rd on the SW side of Verbenia Ave. 335 Comment
  SBBG99844  Nicotiana obtusifolia W. L. Halvorson 1977-3-8 77 -75 Riverside ca. 1 mi S of the S entrance to Joshua Tree Nat Monument Comment
  UC303675  Nicotiana obtusifolia S. B. Parish 1919-3-27 19200 Riverside Palm Springs; Colorado Desert Comment
  SEINET7063443  Nicotiana quadrivalvis A. G. Vestal 1947-3-30 s.n. Riverside About 3.8 miles west of Sage on East Benton Road. Tucalosa Hills. UTM Zone 11, 499688mE, 3715592mN. (WGS84/NAD83). 527 Comment
  UCR26306  Nolina bigelovii John C. Roos 1948-5-15 3852 Riverside Sonoran (Colorado) Desert, Eagle Mtns., Lost Palms Canyon Comment
  JEPS19053  Notholaena californica subsp. californica Marjorie D. Clary 1932-3-20 Riverside Mission Creek, NW of Garnet 609 Comment
  UC1929613  Nuttallanthus texanus Scott D. White 2003-3-21 8797 Riverside SANTA ANA MOUNTAIN FOOTHILLS: Rancho Mission Viejo. East-facing slopes above an unnamed tributary to San Juan Creek. Comment
  CSUSB200  Oenothera californica Robin Maetche, Jim Hearne, Geoffrey Matthews 1971-5-19 Riverside 5 miles south of Idyllwild. Comment
  SD3334  Oenothera californica Ruth B. Randall 1926-2-22 294 Riverside Coachella Valley. Comment
  SEINET10491855  Oenothera californica Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-15 Conrad 7143 Riverside Scattered yellow pine at margin of large valley, 5.9 mi se of jct of idlewild road and hwy 74 on 74. 1341 Comment
  JOTR29247  Oenothera californica subsp. californica La Doux, Tasha 2005-8-17 1528 Riverside Joshua Tree National Park. Queen Valley, at intersection of Park Blvd. and O'Dell Rd. 1338 Comment
  POM307303  Oenothera californica subsp. californica Henry J. Ramsey 1937-5-30 2149 Riverside Santa Rosa Mountains. Comment
  RSA146287  Oenothera californica subsp. californica William M. Klein, R. K. Benjamin 1960-3-22 1303 Riverside Along California State Hwy 74 approximatley 12 miles east of the junction of the Aguanga-Anza road. Comment
  CSUSB207  Oenothera deltoides Linda Stangor 1974-4-18 Riverside Windy Point; South side of Windy Point dunes. Comment
  LA206204  Oenothera deltoides H. Lewis; 1952-3-9 1622 Riverside about 10 mi. S of Garnet Comment
  RSA75419  Oenothera deltoides subsp. deltoides F. W. Peirson 1922-4-6 782 Riverside Near the White Water Bridge, head of Coachella Valley. Comment
  UC665751  Oenothera deltoides subsp. deltoides Ira L. Wiggins 1941-3-26 9660 Riverside along wash Wiley Well Comment
  SEINET7909439  Oenothera scapoidea P. L. Packard 1976-1 Riverside 6 mi W of Blythe, Interstate 10 Comment
  UC572628  Oligomeris linifolia H. S. Yates 1937-3-23 6425 Riverside near Thermal; Thermal Quad. 30 Comment
  JOTR32328  Olneya tesota Herskovits, Tasya 2011-5-25 s.n. Riverside Joshua Tree National Park. Cottonwood Mountains; Open, sandy bajada adjacent to Pinto Basin road and near south park boundary Comment
  RSA803269  Olneya tesota April Garbat, Kristin Forgrave 2013-5-29 76 Riverside Along Box Canyon Rd from Cottonwood Springs Rd to Mecca. 305 Comment
  CAS-BOT-BC348036  Oncosiphon piluliferum A. C. Sanders; Mitch Provance; T. B. Salvato 2001-5-8 24210 Riverside Perris-Aguanga region: Moreno Valley, along I-215 just south of the March Field Museum, 0.7 mi. S of Van Buren Blvd. 465 Comment
  RSA0038513  Oncosiphon piluliferum R. E. Riefner Jr. 2012-4-30 12 -82 Riverside city of Lake Elsinore, south side of Alberhill Creek, west of Hwy 74, vicinity of Bromley Ave. and Baker Street 380 Comment
  RSA0039458  Oncosiphon piluliferum A. C. Sanders 2013-4-17 40806 Riverside Hwy 74 between Lake Elsinore and Meadowbrook, 0.1 km NE of Wasson Canyon Rd. intersection 499 Comment
  RSA791926  Oncosiphon piluliferum R. E. Riefner Jr. 2009-2-25 9 -20 Riverside City of Lake Elsinore, S side of Alberhill Creek, W of Hwy. 74, vicinity of Bromley Ave. at Bennett St. 380 Comment
  SBBG133378  Oncosiphon piluliferum S. Boyd 2003-4-30 10507 Riverside Mira Loma, along Hwy 60 at onramp from Etiwanda Ave to Hwy 60 westbound Comment
  UCD134649  Oncosiphon piluliferum A. C. Sanders; T. B. Salvato 2005-5-17 30239 Riverside Perris Basin: San Jacinto Valley, Gilman Springs Road at Quail Lake Golf Course. 438 Comment
  UCR241776  Oncosiphon piluliferum A. C. Sanders, Timothy W. Chumley 2013-4-1 40725 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
  RSA0097547  Opuntia basilaris Marc A. Baker, Michelle Cloud-Hughes 2015-7-12 18413 Riverside San Gorgonio River, 2 km SW of Cabazon, 27 km WNW of central Palm Springs, 14 km WSW of the historical site of Whitewater. 513 Comment
  RSA381559  Opuntia leucotricha A. C. Sanders, M. Bogen 1987-5-28 7105 -B Riverside Riverside; a roadside waif on fill along van Buren Blvd. Near the bridge over the Santa Ana River. at Riverside sewer plant. 244 Comment
  UCR3291  Opuntia littoralis Chuck Elliott 1964-5-13 s.n. Riverside City of Riverside, [Box Springs Mtns], 0.25 mi. past Two Trees Road and Belvedere 366 Comment
  POM314641  Opuntia phaeacantha G. R. Vasey 1880-1 s.n. Riverside San Jacinto Plains. Comment
  RSA592690  Opuntia polyacantha var. erinacea Scott D. White, Duayne Haselfeld 1996-7-2 4274 -A Riverside Pinyon Flat area, N of Hwy. 74, ca. 10 road mi. E of junction w/ Hwy. 371. W facing slope of Sugarloaf Mtn and adjacent valley. 1250 Comment
  POM284052B  Opuntia vaseyi Lyman Benson 1955-12-6 15620 Riverside Hills 3 miles southeast of Redlands. Crystal Springs. San Bernardino foothills. 488 Comment
  SBBG122754  Orcuttia californica A. Parikh 1990-5-14 171 Riverside Santa Rosa Plateau Ecological Reserve, NE part of Mesa de Burro, S of Miller Cyn, 3.3 km SSW of Murrieta 593 Comment
  SEINET13948674 Image available Origanum vulgare A. C. Sanders 2002-1 25068 Riverside San Bernardino/Santa Ana River Valley Region: Riverside cultivated plants in yard at 422 Campus View Dr. Riverside East 7.5' Q.: 33 deg. 58.5' N, 117 deg. 19' W. T2S R4W SEC 20, S/2. Alt 341 m/1120 ft. 341 Comment
  SDSU581  Orobanche fasciculata H. Wedberg, T. Bruhns 1965-5-23 Riverside On the road from Hemet to Mountain Center and Idyllwild, about 1/4 mi. above the 4000 elev. sign at edge of parking area. 1219 Comment
  RSA543782  Orthocarpus purpurascens Steve D. Boyd, Tim S. Ross, Mike Hammitt 1991-5-2 6039 Riverside Vail Lake region, SW and W flanks of Billy Goat Mountain, 3 miles N Hwy 79, 1 mile W of Hwy 371, N of Aguanga. 600 Comment
  CSUSB847  Oxalis corniculata Deborah Sullivan 1973-7-9 Riverside Glen Avon, Riverside. 243 Comment
  POM263144  Oxytheca emarginata J. C. Roos 1941-5-10 126 Riverside Pinyon Flats Camp, Santa Rosa Mountains. 1220 Comment
  RSA279606  Oxytheca emarginata James L. Reveal, Barbara J. Ertter 1976-6-30 4570 Riverside Santa Rosa Mountains, along the dirt road to Santa Rosa Mountain, 4.6 miles south of Hwy 74 1829 Comment
  RSA434266  Paeonia californica Ora M. Clark 1929-3-2 1627 Riverside Near Elsinore. Comment
  UCR155331  Paeonia californica A. C. Sanders, Mike Misenhelter 2005-3-23 29271 Riverside Santa Ana Mtns., Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd. 701 Comment
  RSA779596  Palafoxia arida Duncan S. Bell 2009-3-7 28 Riverside Arica Mountains: collecting on the ridgeline of the mountain range just north of the summit along the border of the Palen/McCoy Wilderness area. 614 Comment
  SD234047  Palafoxia arida Virginia Pinkus Ryder 1964-3-26 114 Riverside Palm Springs, 1 mi. N on Palm Canyon Road. 248 Comment
  SEINET3148310  Palafoxia arida G. B. Grant 1906-5-1 906 -6748 Riverside Colorado Desert at Palm Springs Comment
  SFV7072  Palafoxia arida T. Gordon, K. A. Wilson, M. H. Grayum, K. Felt 1974-11-16 772 Riverside Along US Highway 95 in Big Wash at east end of county. 116 Comment
  UC1069987  Palafoxia arida var. arida H. S. Yates 1937-3-23 6433 Riverside Painted Canyon Thermal Quadrangle Comment
  UCR19663  Panicum alatum var. minus John C. Roos 1965-10-17 s.n. Riverside Sonoran (Colorado) Desert, roadside 20 miles west of Blythe 120 Comment
  RSA69872  Panicum capillare J. C. Roos 1951-9-25 5255 Riverside Fairmount Park 259 Comment
  UCR2623  Panicum capillare F. M. Reed 1906-7-10 1137 Riverside Riverside, Chicago Ave. south of 8th St. (University Ave.) 293 Comment
  RSA262110  Papaver californicum E. W. Lathrop 1969-5-8 7017 Riverside Main Divide Truck Trail between El Carriso and San Mateo Canyon. Cleveland National Forest. 1220 Comment
  RSA66302  Papaver californicum F. W. Peirson 1918-03 1890 Riverside Irrigated field near Indio. Comment
  SD143751  Papaver californicum A. C. Sanders, P. MacKay, et al. 1997-5-4 20631 Riverside San Jacinto Mountains; north side along Highway 243, 1.5 miles below Twin Pines Ranch Road (McMullen Flat), north slope of peak 3740. 1067 Comment
  CAS-BOT-BC403919  Parietaria hespera A. C. Sanders; G. K. Helmkamp; P. J. MacKay 1995-3-12 16099 Riverside Coachella Valley/Santa Rosa Mtns.: alluvial slopes at the foot of Rabbit Peak, below Sheep Canyon. 12 Comment
  RSA775104  Parietaria hespera Duncan S. Bell, Michael Hee 2011-3-18 2049 Riverside Chuckwalla Mountains; north side of mountain range approximately 3 air miles southeast of Desert Center. 392 Comment
  CAS-BOT-BC413374  Parietaria hespera var. californica Steve Boyd 1992-4-15 6877 Riverside Santa Ana Mtns, San Mateo Cyn Wilderness Area. Bluewater Cyn along Bluewater Tr. downstream to the confluence with San Mateo Creek 487 Comment
  RSA689406  Parietaria hespera var. californica Scott D. White, Michael Honer 2003-4-9 8999 Riverside Gavilan Hills: About 1 mile N of the I-15 Freeway and 1 mile east of Lake St. exit, on and around unnamed peak '2349.' 549 Comment
  RSA525227  Parietaria hespera var. hespera Steve D. Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4604 -B Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  RSA746822  Parietaria hespera var. hespera Michael Honer 2003-4-16 1834 Riverside Gavilan Hills, W slope: about 1 mile N of I-15 freeway, 1 mile E of Lake St. exit. On and around peak '2349' 640 Comment
  RSA605789  Parkinsonia aculeata Scott D. White 1996-3-23 3846 Riverside Santa Rosa Hills, SE of Hemet (Loomis property: ''Friendly Hills Ranch''). 595 Comment
  RSA737261  Parkinsonia aculeata Scott D. White, Justin M. Wood 2008-9-17 12541 Riverside Perris Basin: Romoland, 1/4 mile S of Ethanac Rd, between San Jacinto Rd and Palomar Rd, just S of railroad tracks. 442 Comment
  SBBG3283  Parkinsonia florida H. and M. Dearing 1942-4-5 4860 Riverside between Colorado River and Riverside Mtns Comment
  UCR20973  Pectocarya anisocarpa A. C. Sanders 1980-5-2 1432 Riverside Peninsular Range; Perris Basin, Motte Reserve; rocky hills 2.5 miles NW of Perris 518 Comment
  RSA781807  Pectocarya heterocarpa Duncan S. Bell 2010-5-1 892 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
  SD247367  Pectocarya linearis A. C. Sanders, Jake Schweitzer, Katie Young 2015-3-23 41418 Riverside San Gorgonio River wash, ca. 3.7 miles east of Cabazon, ca. 1.125 miles NNE of One Horse Spring, south of I-10 and east of water bottling plant, between wind farms. 427 Comment
  UCR172213  Pectocarya linearis 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
  RSA613412  Pectocarya penicillata D. L. Banks 1997-4-5 1679 Riverside NW Palomar Mountains, Agua Tibia Mountains: Agua Tibia Wilderness Area. South of Dorland Mountain, just east of the Wilderness Area boundry with the Pechanga Indian Reservation., Along a tributary of the north fork of Pechanga Creek. 670 Comment
  RSA757639  Pectocarya penicillata LeRoy Gross, Jackie McConnaughy, Drew Monks, Tommy Stoughton, Jane Tirrell, Malia Volke 2010-4-12 4313 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
  RSA77863  Pectocarya peninsularis F. W. Peirson 1918-03 1018 Riverside Coachella Valley, field near Indio. Comment
  UCR216202B  Pectocarya peninsularis Jim Andre, T. La Doux 2009-2-25 10834 B Riverside Sonoran (Colorado) Desert, Palen Dry Lake; c. 6 miles north of I-10 freeway, c. 15 miles east of Desert Center 129 Comment
  POM368810  Pectocarya platycarpa Martha Hilend 1928-3-11 86 Riverside Morongo Valley, Colorado Desert. Comment
  RSA695831B  Pectocarya recurvata J. R. Bruff 1928-4-2 97 -B Riverside Canyon wash west of Morango Comment
  UCR281223  Pectocarya recurvata Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-27 317- 48 Riverside Temescal Valley, East end of Concordia Ranch Rd., open space adjacent to east side of the equipment yard 390 Comment
  RSA679823  Pectocarya setosa LeRoy Gross, Valerie Soza 2003-5-8 826 Riverside San Jacinto Mountains region: North end of Rouse Ridge; South of the San Jacinto River, north of Rouse Hill Road. 777 Comment
  SDSU13974  Pedicularis densiflora Michael G. Simpson, C. Luke, T. Sagar, S. Johnston, T. Duffy 2000-4-30 2105 Riverside Just north of El Valle meadow. Remote southeastern region of Santa Margarita Ecological Reserve (SDSU). 640 Comment
  UCSB16960  Pediomelum californicum Brooks, Terry 1963-5-5 Riverside Pinon-Flats Campground on California State Highway 74 1219 Comment
  CHSC8341  Pellaea andromedifolia Edward L. Smith 1958-3-6 343 Riverside Located at Coldwater Canyon, Glen Ivy, sw side of Temescal Canyon Road, Temescal Mtns. 762 Comment
  RSA659417  Pellaea mucronata var. mucronata Marcy Keys 1981-5-16 90 Riverside 2 miles southeast of Lake Elsinore where Arbalado Lane runs into foothills. Comment
  UC809637  Pellaea mucronata var. mucronata Philip A. Munz 1949-4-13 13048 Riverside above Cottonwood Springs; Colorado Desert, w end Eagle Mts 1097 Comment
  UCR230915  Pennisetum villosum T. B. Salvato 2000-8-22 020 Riverside Peninsular Range, Riverside, Bascomb Drive at Don Goodwin Street 309 Comment
  SEINET3079730 Image available Penstemon B. Pitzer, Jack Easton 1987-3-10 400 Riverside Anza area, hills south of Thomas Mtn., ca. 3 mi. (airline) east of town of Anza on north side of Hwy 371 1341 Comment
  CAS-BOT-BC266691  Penstemon californicus Philip A. Munz 1938-8-14 15378 Riverside E of Toro Peak, Santa Rosa Mountains 2286 Comment
  UCR137170  Penstemon centranthifolius Larry E. DeBuhr 1972-3-23 512 Riverside Santa Rosa Mtns., San Bernardino National Forest, along forest road 7S02 to Santa Rosa Mt. 1646 Comment
  JEPS7536  Penstemon eatonii var. undosus W. L. Jepson 1914-5-18 6007 Riverside n Indio (Pinon Well grade summit, betw. Pinon Well and County Well); Colorado Desert, summit Pinon Well grade, n of Indio Comment
  NY601159  Penstemon grinnellii N. H. Holmgren 1969-6-18 3586 Riverside San Jacinto Mountains, San Jacinto Wilderness, along trail above Humber Park, about 3 airline miles northeast of Idyllwild. 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
  JEPS11261  Penstemon labrosus M. French Gilman c. 1918 741 Riverside Mt. San Jacinto Comment
  RSA402127  Penstemon labrosus M. B. Dunkle 1933-7-19 3671 Riverside Upper Tahquitz Valley, San Jacinto Mountains. 2409 Comment
  RSA401809  Penstemon spectabilis Gale Sphon 1955-5-7 s.n. Riverside 3 miles W of Lake Elsinore. Comment
  UCSB18235  Penstemon spectabilis Matchett, Will 1964-5-16 Riverside 4.7 miles south of Interstate Highway 10 on Banning-Idelwild Road, San Jacinto Mountains 1158 Comment
  RSA734888  Pentachaeta aurea A. C. Sanders, Tim Thomas 2008-6-20 35530 Riverside May Valley area, at spring with trough, along dirt road (May Valley Rd.) c. 1.5 mi. ENE of Keenwild, 0.5 mi. NW of FS Rd. 5S05 1600 Comment
  SD140250  Pentagramma triangularis Scott White 1993-4-22 1237 Riverside North Alberhill Ranch, in hills north of Walker Canyon 490 Comment
  RSA0066309  Pentagramma triangularis P. A. Munz 1922-4-29 5116 a Riverside 5 miles west of Aguanga. Comment
  HSC79044  Peritoma arborea A. C. Sanders 1985-3-1 5391 Riverside Box Springs Canyon, near the intersection of Central Ave. & Hwy. 60, along Gernert Rd., just above the Santa Fe Railroad tracks 427 Comment
  UCR131825  Peritoma arborea Jennie Phui 1998-5-30 027 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
  CAS-BOT-BC355978  Perityle emoryi H. M. Hall 1902-4-1 2793 Riverside Western borders of the Colorado Desert. Coyote Canyon 152 Comment
  JOTR36474  Perityle emoryi La Doux, Tasha, M. Harding, B. Truesdell, D. Shade, E. Babich 2013-3-15 3442 Riverside Joshua Tree National Park. Southeast Coxcomb mountains; at top of large cobbley wash, near Russi Rocks guzzler (Stop 4) 538 Comment
  RSA678350  Perityle emoryi Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10465 Riverside East side of mouth of Chino Canyon, at upper edge of bajada and lower rocky slope of mountains, along road to Palm Springs Tram Station. Comment
  RSA726521  Perityle emoryi Naomi Fraga, Lisa Rojas 2005-2-10 1402 Riverside Just north of Palen Pass Road, ca. 10 miles east of Hwy 177. 361 Comment
  RSA795745  Perityle emoryi J. Andre 2012-3-19 21309 Riverside Orocopia Mountains; north end of range, 0.5 miles south of junction of Box Canyon Road and I-10 freeway, 23 miles east of city of Coachella. 488 Comment
  UC1595790  Perityle emoryi W. Wisura, J. Dolan, and M. Wall 1992-3-24 4640 Riverside 5.6 mi s of I-10 on rd to Corn Spring Comment
  UCR263647  Perityle emoryi Aaron C. Sedgwick, Brett Griffin 2012-3-28 027 Riverside Sonoran (Colorado) Desert, Mecca Hills, Box Canyon Road. c. 6 miles south of Hwy I-10 323 Comment
  UCD13372  Persicaria lapathifolia Patricia Gordon-Reedy 1996-1 s.n. Riverside Shores of Lake Skinner. Comment
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Nov 20 2011
  LA49854  Petalonyx thurberi subsp. thurberi Victor Duran; 1933-7-3 3500 Riverside Coachella Valley, Deep Canyon 243 Comment
  JEPS37136  Peucephyllum schottii Lawrence Saylor 1935-3-23 171 Riverside Painted Canyon Comment
  RSA0118001  Peucephyllum schottii Sarah J. J. De Groot, Thomas Stoughton 2016-2-18 7627 Riverside Mecca Hills: side canyon (east fork) of Painted Canyon. 182 Comment
  RSA444309  Peucephyllum schottii Walter Wisura 1988-3-1 4180 Riverside Frontage Road, off I-10, near pumping station in Pinkham Wash area. Comment
  SDSU393  Peucephyllum schottii D. F. Howe 1952-4-5 2176 Riverside 13 miles south of highway east of Mecca, along All American Canal. Comment
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Jan 24 2013
  UC1007199  Peucephyllum schottii Philip A. Munz 1940-3-23 15664 Riverside road to Dale to Cottonwood Springs (s base of Pinto Mts.); Pinto Mts. 609 Comment
  UC566662  Peucephyllum schottii Margaret Stason 1927-3-12 Riverside Painted Canyon Colorado Desert Comment
  UCR162621  Phacelia affinis Nathan Moorhatch 2003-3-19 s.n. Riverside Sonoran (Colorado) Desert, Coachella Valley, Cathedral City, Whitewater River channel at Date Palm Drive 91 Comment
  CHSC707  Phacelia campanularia F. Hughes 1935-4-16 Riverside East of Indio, Colorado Desert. 30 Comment
  RSA428152  Phacelia campanularia Martha Hilend 1928-3-9 62 Riverside Near White Water Bridge. Colorado Desert. Comment
  UC1184078  Phacelia campanularia subsp. campanularia Peter M. Ray 1949-3-12 1352 Riverside 2 mi w Whitewater; north side of Coachella Valley 457 Comment
  UC666577  Phacelia campanularia subsp. vasiformis Harlan Lewis and Carl Epling 1942-4-26 1606 Riverside Morongo Wash Comment
  UC672399  Phacelia cicutaria var. hispida Herbert L. Mason 1926-4-30 3136 Riverside 2 mi s Temecula Comment
  UCR116661  Phacelia cicutaria var. hispida A. C. Sanders, Carolyn Washburn 2001-5-10 24237 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
  UCR117619  Phacelia cicutaria var. hispida Scott D. White 1997-5-25 5245 B Riverside Peninsular Range; Perris Basin, Winchester Area: Hills south of Patton Ave. and west of Winchester Road, c. 2 air mi SW of the junction of Winchester Road and Simpson Avenue 549 Comment
  UCR174034  Phacelia cicutaria var. hispida A. C. Sanders 2006-5-19 32454 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
  UCR174964  Phacelia cicutaria var. hispida Teresa Nieto 2005-4-24 23 Riverside Peninsular Range, Wildomar, Menifee Hills, south of Bundy Canyon Rd. c. 1 mile from Harvest Way East, north of Felswood Rd. 579 Comment
  UCR214308  Phacelia cicutaria var. hispida A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-5-17 38379 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
  UCR228253  Phacelia cicutaria var. hispida A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt, Katie A. Kurtz 2010-3-31 37669 Riverside Peninsular Range; foothills of Gavilan Hills, Temescal Canyon at Alberhill, c. 1/2 mi. west of Lake St. on N side of I-15, N of Temescal Canyon Rd. and NW of Concordia Ranch Rd., NW of horse racing track 375 Comment
  GMDRC3555  Phacelia crenulata var. ambigua J. Andre, T. La Doux 2009-2-25 10831 Riverside Big Maria Mountains: along Hwy 95 (west side of highway), approx 15 mi. N. of Blythe. USGS 7.5 min. Quad: Big Maria Mountains 33 deg. 44.529' N 114 deg. 30.988' W. Elev. 308 ft. 94 Comment
  JOTR30326  Phacelia crenulata var. ambigua La Doux, Tasha, E. Babich, J. Galvin, B. Truesdell, N. Fraga, A. Miller, J. Van Warmerdam 2008-2-4 1770 Riverside Joshua Tree National Park. Stop #1: Hexie Mtns./Porcupine Wash. Open sandy wash near road heading to Cottonwood. 745 Comment
  UC1069302  Phacelia crenulata var. ambigua H. S. Yates 1937-3-23 6435 Riverside 15 mi nne Mecca; Thermal Quadrangle 457 Comment
  UC68753  Phacelia crenulata var. ambigua H. M. Hall Apr. 1905 5765 Riverside Cathedral Canyon Colorado Desert 91 Comment
  RSA0110949  Phacelia crenulata var. ambigua Michael Honer, L. Hulse 2004-4-2 1872 Riverside Blind Canyon; appx. 1/2 mi. N of Desert Hot Springs 488 Comment
  JOTR35147  Phacelia crenulata var. crenulata La Doux, Tasha, M. Harding, K. Kain, E. Babich 2011-3-22 3259 Riverside Joshua Tree National Park. West Cottonwood Mountains; bouldery side canyon leading into southeast Pinkham Wash (Stop 4) Comment
  SFV17332  Phacelia crenulata var. crenulata J. N. Hogue, J. D. Dilley 1998-4-23 108 .15 Riverside Chuckwalla Mountains. Corn Springs Wash at Corn Spring. 488 Comment
  SD241053  Phacelia crenulata var. minutiflora Dave Silverman, Onkar Singh 2010-3-27 7864 Riverside McCoy Wash, N of Palo Verde Mesa, 5.43 km W of Mesaville rairoad siding, 10 km N of I-19, and 13 km NW of Blythe. 139 Comment
  RSA0119887  Phacelia cryptantha Duncan S. Bell, Thomas Stoughton 2016-4-12 9217 Riverside Santa Rosa Mountains; eastern side of Martinez Mountain; in a side canyon off of Martinez Canyon, approximately 3.5 air miles southwest of the junction of Agua Alta Canyon and Martinez Canyon. 861 Comment
  JEPS1534  Phacelia curvipes W. L. Jepson 1901-5-24 1421 Riverside Vandeventer Flat Santa Rosa Mts., Van de Venter's Ranch Comment
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Jun 19 2011
  JOTR16721  Phacelia distans Knuckles, Penny 1974-5-10 4 Riverside Joshua Tree National Park. JUMBO ROCKS CAMPGROUND Comment
  RSA272177  Phacelia distans C. W. Tilforth 1978-4-30 1567 Riverside Low, rounded hills east of Norco. Comment
  RSA770309  Phacelia distans Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4496 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
  RSA772014  Phacelia distans Orlando Mistretta, Duncan S. Bell, Joy England, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-13 4956 Riverside Transverse Ranges; San Bernardino Mountains region: Whitewater Canyon. Along Whitewater River drainage and adjacent slopes 1-2 miles above Whitewater Visitor Center (Whitewater Trout Farm)., Between N34.01961, W116.68175 and N34.01041 and W116.67141. 823 Comment
  RSA784769  Phacelia distans Duncan S. Bell 2012-3-18 3173 Riverside Mecca Hills; southeastern section of hills; up a side canyon of the east fork of Hidden Springs Canyon, approximately 1.5 air mile southwest of Hidden Spring. 129 Comment
  SD185241  Phacelia distans G. K. Helmkamp 1998-4-4 3129 Riverside Junction of CA 62 and CA 177. 456 Comment
  UC1537521  Phacelia distans Gordon H. True Jr. 1935-2-27 27 Riverside Box Springs 365 Comment
  UCR103915  Phacelia distans B. G. Pitzer 1997-4-11 3106 Riverside Lakeview Mtns, spur off Pulsar View Road leading to utility tower, c. 1 mi by road from the base of the hills. c. 3/4 mi (air) SW of Mt. Rudolph. 604 Comment
  JOTR01175  Phacelia distans Cole, James E. 1941-3-30 451 Riverside Joshua Tree National Park. PINTO BASIN 609 Comment
  RSA588176  Phacelia imbricata subsp. patula D. L. Banks, V. W. Steinmann 1995-7-10 742 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; Along the Wildhorse Trail, S of lower Arroyo Seco, NW of Wildhorse Peak. 561 Comment
  NY57344  Phacelia keckii P. A. Munz 1923-6-14 7056 Riverside Glen Ivy Trail to Santiago Peak 1432.6 Comment
  POM346647  Phacelia minor Barry Burnell 1970-3-24 165 Riverside 2 miles up Tramway Road off Hwy 111 Chino Canyon, San Jacinto Mts. 457 Comment
  UC1929329  Phacelia minor Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10498 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
  POM13092  Phacelia mutabilis E. C. Jaeger 1921-6-14 s.n. Riverside Between Deep Creek and Gregg s Ranch. 1616 Comment
  UC729828  Phacelia mutabilis Carl B. Wolf 1932-8-5 3936 Riverside along trail from Tahquitz Valley to San Jacinto Peak; San Jacinto Mts. 2621 Comment
  CAS-BOT-BC145002  Phacelia ramosissima var. latifolia Edmund C. Jaeger 1925-5-2 s.n. Riverside Keyes Water Canyon, Box Springs Mtn. Comment
  UC63813  Phacelia ramosissima var. ramosissima W. L. Jepson and H. M. Hall May 17 1901-Jun 1 1901 Riverside San Jacinto Valley 457 Comment
  UCR281282  Phalaris minor Mitch Provance, Jeremiah George, Matt K. Beyers, John Hazlett 2017-3-29 317- 17 Riverside Elsinore Trough, Periodic eastern shoreline of Lake Elsinore (e.g. 1994), in the City of Lake Elsinore, +- at the borderline with the Sedco Hills Neighborhood of the City of Wildomar, in open space along west side of Mission Trail at Lewis St. 387 Comment
  RSA715189  Phalaris paradoxa A. C. Sanders, T. B. Salvato, Kelly Volansky, Michelle Balk 2006-5-24 32569 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
  UCR180260  Phalaris paradoxa Scott D. White, Pam Devries 2006-3-14 11246 Riverside Sonoran (Colorado) Desert, Eastern Coachella Valley, a few mi east of Indio, at proposed I-10 Freeway/ McNaughton Parkway interchange, north of the I-10 Freeway 152 Comment
  JOTR30634  Pholisma arenarium La Doux, Tasha 2008-5-29 1798 Riverside Joshua Tree National Park. Queen Valley 1365 Comment
  UCR37464  Pholistoma auritum Steve Boyd 1981-4-8 s.n. Riverside Peninsular Range, Dawson Canyon, Gavilan Hills Comment
  JOTR28818  Pholistoma membranaceum La Doux, Tasha 2005-3-1 1086 Riverside Joshua Tree National Park. 3.5 miles North of Cottonwood Visitor's Center at exhibit Comment
  RSA459294  Pholistoma membranaceum H. M. Severance 1926-2-20 s.n. Riverside Andreas Canyon, Colorado Desert. Comment
  RSA459295  Pholistoma membranaceum Martha Hilend 1928-3-11 87 Riverside Morongo Valley, Colorado Desert. Comment
  UC1930199  Pholistoma racemosum Steve Boyd, Amber Maurice, Pesach Lubinsky, Leland Lubinsky 2003-4-17 10491 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
  UCD102027  Phoradendron bolleanum Steve Boyd 1985-12-14 1193 Riverside Gavilan Hills, Harford Springs County Park. Comment
  UC848868  Phoradendron californicum I. W. Clokey 1935-4-17 6575 Riverside Cottonwood Springs Comment
  UCR281862  Phoradendron californicum A. C. Sanders, Jim Malusa 2017-9-19 43331 Riverside Sonoran (Colorado) Desert, northern Chocolate Mountains, c. 1.35 km SW of Tabaseca Tank 634 Comment
  RSA420752  Phoradendron densum Gary D. Wallace 1964-4-26 s.n. Riverside Pinon Flats. Palms Hwy. 1220 Comment
  CAS-BOT-BC135182  Phoradendron juniperinum Edmund C. Jaeger 1922-6-13 s.n. Riverside E slope San Jacinto Mts. 1371 Comment
  RSA575969  Phoradendron macrophyllum Steve D. Boyd 1981-1-9 s.n. Riverside Peninsular Range Gavilan Hills, narrows in central Dawson Cyn. 488 Comment
  CAS-BOT-BC141177  Phoradendron serotinum subsp. macrophyllum Scott D. White 1996-4-14 3916 Riverside E of Hemet: San Jacinto River wash near Valle Vista, N of Hwy. 74, ca. 1.7 mi W of USFS Cranston Fire Station. 548 Comment
  CAS-BOT-BC171150  Phoradendron serotinum subsp. tomentosum Scott D. White 1996-8-1 4435 Riverside San Jacinto Mtns. Idylwild Area: Hwy 243 at Deer Springs trailhead and adjacent area 1828 Comment
  UCR240205  Phragmites australis C. J. Minar 1994-5-7 11 Riverside Sonoran (Colorado) Desert, Coachella Valley, east of Salton Sea near Dos Palmas Oasis -27 Comment
  UCSB71043  Phragmites australis Lambert, Adam 2007-2-19 Riverside Thousand Palms Canyon. Thousand Palms Canyon Road Comment
  RSA800060  Physalis crassifolia Jim Andre 2012-3-19 21301 Riverside Orocopia Mountains; north end of range, 0.5 miles south of junction of Box Canyon Road and I-10 freeway, 23 miles east of city of Coachella. 488 Comment
  SBBG6614  Physalis crassifolia H. and M. Dearing 1940-1-1 4057 Riverside Painted Cyn, near Mecca Comment
  SD111893  Physalis crassifolia Barbara Ertter, Jeffrey Strachan 1980-5-20 3467 Riverside West side Whitewater Hill, east side Whitewater Wash, northwest end of Coachella Valley north of I-10. 456 Comment
  SEINET7907900  Physalis crassifolia D. A. Johnson 2005-1 Riverside Between Coachella & S entrance to JoshuaTree Nat'l Park, S of Interstate 10 914 Comment
  UCD126797  Physalis crassifolia P. C. Everett; E. K. Balls 1958-4-29 23022 Riverside U.S. Highway 60/70, Indio to Blythe, 1 mile west of Cactus City. 259 Comment
  UCR147741  Physalis crassifolia Steve Boyd, Tammy Morgan, Aydee Virgen, S. DeGroot, V. Arvizu, T. Thibault 2004-5-14 11216 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
  UCR178595  Physalis crassifolia R. G. Swinney 1967-5-26 142 Riverside Sonoran (Colorado) Desert/ San Jacinto Mtns., Snow Creek 381 Comment
  UCR74361  Physalis crassifolia Theo Glenn 1991-5-2 91- 20 Riverside Sonoran (Colorado) Desert, McCoy Mountains, NW of Blythe 350 Comment
  UCR113987  Physalis philadelphica Mitch Provance, A. C. Sanders 2000-7-4 2111 Riverside Riverside, Santa Ana River Wash, between the Market St. and Riverside Ave crossings 244 Comment
  UCR279593  Physaria tenella A. C. Sanders, Jim Malusa 2017-3-28 43160 Riverside Sonoran (Colorado) Desert, Northern edge of Chocolate Mountains, along Salt Creek at edge of Navy Aerial Gunnery Range, vicinity of Clemons Well site, between wash and old Kaiser RR 314 Comment
  SDSU13904  Pickeringia montana var. tomentosa Michael G. Simpson, Claudia Luke & Shane Waddell 2000-5-23 2157 Riverside Santa Margarita Ecological Reserve (SDSU), just south of east-west draw, north of El Valle complex. 646 Comment
  UC729933  Pinus contorta subsp. murrayana Carl B. Wolf 1932-8-5 3384 Riverside summit of San Jacinto Peak San Jacinto Mts., San Jacinto Peak 3293 Comment
  POM320781B  Pinus coulteri Anonymous 1968-11-20 s.n. Riverside Fulmor Lake. Mt. Range San Jacinto. 2134 Comment
  RSA658964  Pinus lambertiana Diane M. Ramirez 1983-5-15 33 Riverside Ca Hwy 243, 1/2 mi S of Junction with Poppet Flat Divide Truck trail. Comment
Read comments
Mar 27 2014
  CLARK-A1528-3629  Pinus monophylla John C. Roos 1938-8-7 586 Riverside San Jacinto Mountains Comment
  UCSB6941  Pinus ponderosa J. Haller 1950-5-20 6 Riverside PARKING AREA AT FOOT OF SAN JACINTO PEAK TRAIL UPPER STRAWBERRY VALLEY 1767 Comment
  UCR172732  Plagiobothrys acanthocarpus John F. Green 2006-5-3 s.n. Riverside Peninsular Ranges, French Valley, unincorporated Riverside County; along Benton Road, between San Diego Aqueduct right of way(Leon Road) and Hwy 79 415 Comment
  SEINET4691425  Plagiobothrys arizonicus T. B. Salvato, Tracy Tennant 1998-1 MOR- 1217 Riverside San Bernardino Mtns. Foothills: Morongo Indian Reservation, Potrero Canyon about 1 mile above locked gate, east side of road near old corrals, tree stand P-03. 793 Comment
  RSA487453  Plagiobothrys canescens Bill Wagner 1988-3-9 s.n. Riverside Grain field at Benton Rd. and San Diego aqueduct, 1/2 mile E of Winchester Rd., NE of Murrieta. 412 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
  UCR213613  Plagiobothrys canescens A. C. Sanders, Matthew Malle 2010-4-23 38005 Riverside Peninsular Range, Menifee Hills, south of Sun City, south side of Bundy Canyon Rd. at intersection with Murrieta Rd. 518 Comment
  SEINET6060264  Plagiobothrys collinus Unknown 1996-4-19 Riverside Idyllwild Area. Strawberry Creek between crossing at Circle Drive and Humber Park. Comment
  POM3720  Plagiobothrys collinus var. californicus Robinson, Crocker 1916-4-3 s.n. Riverside Elsinore region. Comment
  UC25046  Plagiobothrys collinus var. californicus Mrs. Gregory 1892-1 Riverside San Jacinto Comment
  UCR241390  Plagiobothrys collinus var. fulvescens T. B. Salvato, Mike Landers 2013-3-21 7381 Riverside Perris-Aguanga Basin, Murrieta, between Hwy 215 and State Route 79 (Winchester Rd), 0.23 mi east of the intersection of Keller Rd and Menifee Rd 470 Comment
  UC1608292  Plagiobothrys fulvus Steve Boyd and Tim Ross 1992-5-5 7247 Riverside grassland area s Oak Flats (sw of Bluewater Trail); southern Santa Ana Mountains, San Mateo Canyon Wilderness Ar 731 Comment
  UCR272260  Plagiobothrys jonesii Duncan S. Bell, Amanda Turek 2010-4-9 759 Riverside Mojave Desert, east side of the Arica Mountains, near the center of the range, c. 1.75 air mile west of Priest Well 439 Comment
  UC551786  Plagiobothrys leptocladus F. R. Fosberg 1932-5-9 10640 Riverside Perris 450 Comment
  UCR140451  Plagiobothrys leptocladus A. C. Sanders, Guy Bruyea 2004-4-2 27419 Riverside San Jacinto Valley, Tres Cerritos, c. 3 miles WNW of Hemet, east of the Lakeview Mtns., mouth of canyon on south side, just north of Rose Rd. 463 Comment
  UCR20824  Plagiobothrys nothofulvus A. C. Sanders 1980-5-17 1465 Riverside Santa Rosa Plateau, Santa Ana Mtns., 2.5 miles SW of Murrieta, Mesa De Burro 620 Comment
  UCR121181  Plagiobothrys tenellus D. E. Bramlet 1990-4-27 1985 Riverside Rawson Canyon, 2,500 ft. (0.47 mi.) SW of Crown Valley and 500 ft. (~0.1 mi.) west of access road 640 Comment
  SD146202  Plantago elongata A. C. Sanders, K. C. Rose 1998-5-21 21862 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. 456 Comment
  SD262338  Plantago elongata Mitch Provance, Jeremiah George, Matt K, Beyers, John Hazlett 2017-3-29 317 24 Riverside Elsinore Trough: Periodic E shoreline of Lake Elsinore (e.g. 1994) in the City of Lake Elsinore, A+- borderline with the Sedco Hills Neighborhood, City of Wildomar, in open space along W side of Mission Trail at Lewis St. (Lake Elsinore 7.5'Q) 387 Comment
  UCR16545  Plantago elongata O. F. Clarke, E. W. Lathrop 1966-5-10 s.n. Riverside Peninsular Range; Santa Ana Mtns., near lake on Mesa de Colorado 628 Comment
  RSA401988B  Plantago erecta Ora M. Clark 1929-3-2 1596 Riverside Near Alberhill Comment
  UCR107708  Plantago erecta A. C. Sanders 1997-3-1 19740 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
  UCR113886  Plantago erecta Mitch Provance 1998-4-9 407 Riverside Riverside, VABM 1031, Hill traditionally called 'Lionshead', or variously referred to as 'Challen Hill', located near the corner of Harrison St. and California Ave. in the Arlington area 259 Comment
  UCR225437  Plantago erecta A. C. Sanders 2011-3-29 38834 Riverside Peninsular Range; Edge of Gavilan Hills, Meadowbrook area, between Perris and Lake Elsinore, along Hwy 74 near Crumpton Rd. 495 Comment
  UCR226077  Plantago erecta A. C. Sanders, T. B. Salvato 2011-4-1 38946 Riverside Peninsular Range, Lake Elsinore, SW of Baker St. along dirt branch road to microwave tower, near large water tank on hill 409 Comment
  UCR92096  Plantago erecta Scott D. White, M. Jacobsmeyer 1996-4-20 3948 Riverside Bundy Canyon Road, west of Menifee. c. 4-5 mi west of Interstate Hwy-215 freeway. north of road. 549 Comment
  HSC86137  Plantago lanceolata B. Freeman 1969-6-28 6906287 Riverside W of Indian Creek, San Jacinto Mts. Comment
  POM158181  Plantago major P. A. Munz, I. M. Johnston 1928-9-6 11267 Riverside Santa Ana River, Ontario-Corona Road [Hwy. 71]. Comment
  UCR133968  Plantago ovata Mitch Provance, J. S. Ross 1998-3-27 MOR- 951 Riverside San Bernardino Mtns., Morongo Indian Reservation, Lion Canyon, c. 1.2 miles NE of the town of Cabazon 579 Comment
  UCR167296  Plantago ovata Scott D. White 2005-3-29 10827 Riverside San Gorgonio Pass, Cabazon: alluvial fan and benches west of San Gorgonio river and south of I-10 fwy. west of existing gravel quarry, likely to be proposed for quarry expansion 598 Comment
  JOTR35035  Plantago ovata var. fastigiata La Doux, Tasha, M. Harding and M. Stewart 2010-3-24 3488 Riverside Joshua Tree National Park. Coxcomb Mountains: southwest corner of park, north of MWD Aqueduct Road on south-facing bajada among sonoran desert riparian washes. Comment
  RSA402036B  Plantago ovata var. fastigiata M. B. Dunkle 1933-5-6 3446 Riverside Painted Canyon Comment
  SEINET1109636  Plantago patagonica A. C. Sanders, J. C. Dice, K. C. Rose, D. Woodard 1995-1 16240 Riverside San Jacinto Mtns/Sonoran (Colorado) Desert: San Gorgonio Pass; alluvial fan at the mouth of Snow Creek, between Hwy 111 and Snow Creek Village. 335 Comment
  RSA401709A  Platanus racemosa A. Menke 1955-4-25 s.n. Riverside Andreas Canyon, Palm Springs. Comment
  JEPS29293  Platystemon californicus Rimo Bacigalupi and L. Heckard 1962-3-25 8388 Riverside about 5 mi se Corona (just n of Bedford Canyon); eastern base of Santa Ana Mountains, n of Bedford Canyon 304 Comment
  RSA445715  Platystemon californicus Frances L. Cramer 1941-5-3 26317 Riverside Joshua Tree National Monument Comment
  SEINET7073301  Platystemon californicus var. californicus A. G. Vestal 1963-4-27 s.n. Riverside Cottonwood Canyon Road southeast of Lake Elsinore. Coordinate datum: NAD27. Comment
  RSA560375  Plectritis ciliosa subsp. insignis Steve D. Boyd 1992-4-14 6807 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. Western edge of Oak Flats area along Bluewater Tributary from Verdugo Tributary S to crest of ridge W side Bluewater Canyon. 732 Comment
  UC1608230  Plectritis ciliosa subsp. insignis Steve Boyd, Tim Ross, Orlando Mistretta 1992-3-31 6761 Riverside Tenaja Trail from junction w Morgan Trail south to Pigeon Spring area, San Mateo Canyon Wilderness Area Pigeon Spring; Santa Ana Mountains, San Mateo Canyon Wilderness Area 670 Comment
  RSA0013272  Pleuraphis rigida April Garbat, Sarah De Groot 2013-3-27 27 Riverside Hwy 177 N of Hwy 10, N of Palen Pass Rd. On E side of the road 398 Comment
  RSA778415  Pleuraphis rigida Stephanie Rockwood, Christi Gabriel 2011-10-4 52 Riverside Red Cloud Wash Road exit from I10. Fellow Red Cloud Road approximately 6.4 miles. Near campground with car remnants. Chuckwalla Bench ACEC. 630 Comment
  CAS-BOT-BC326511  Pluchea sericea W. R. Dudley 1903-12-26 s.n. Riverside Palm Canyon Comment
  CAS-BOT-BC326539  Pluchea sericea C. F. Baker 1903-4-4 4148 Riverside Elsinore Comment
  SEINET2053981 Image available Pluchea sericea Howard S. Gentry 1947-7-26 7655 Riverside 8-10 miles N of Aguanga Comment
  UCD134946  Pluchea sericea A. C. Sanders 1997-3-19 20033 Riverside Lake Skinner area: S foot of Bachelor Mountain, across the northern arm of the lake from the boat ramp, from dirt track down to lakeshore. 457 Comment
  RSA484164  Poa E. S. Spalding 1926-2-20 15407 Riverside Andreas Canyon, Colorado Desert. Comment
  UCR174342B  Poa annua A. C. Sanders 2006-5-19 32396 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
  RSA740830  Poa pratensis Scott D. White, Justin M. Wood 2008-7-8 12390 Riverside Johnson Meadow. 1439 Comment
  UCD91843  Poa pratensis Alan A. Beetle 1946-6-20 4397 Riverside San Jacinto Mt., near Idlewilde. 1219 Comment
  SD146083  Poa pratensis subsp. pratensis G. K. Helmkamp, E. A. Helmkamp, A. Kerchner 1999-6-29 5018 Riverside Northern Sierra Nevada Range; N of Hwy I-80 at west exit to Donner Lake; opening to Negro Canyon 2134 Comment
  RSA753938  Poa secunda W. Schlegel, Andrew Trouette, Jordan Zylstra 2009-4-16 29 Riverside Idyllwild, Garner Valley Naked Noses. Comment
  UCR113043  Poa secunda Mitch Provance 1998-3-31 305 Riverside Jurupa Mountains, SE Pyrite Canyon, c. .3 km NW of the quarries. 366 Comment
  UCR121097  Poa secunda A. C. Sanders, Mark Elvin, M. S. Enright 2002-4-16 24976 Riverside The Badlands, Laborde Canyon and adjacent slopes and side canyons, 1 mile east of Mt. Eden, SW of Beaumont 610 Comment
  UCR177175  Poa secunda Scott D. White, Michael Honer 2003-4-25 9122 Riverside San Bernardino Mtns, Whitewater Canyon, about midway between Bonnie Bell and Whitewater Trout Farm, west side of road 671 Comment
  UCR95715  Poa secunda subsp. juncifolia D. L. Banks, Dylan Hannon 1996-5-3 971 Riverside NW Palomar Mtns, Agua Tibia Mtns; Foothills south of Hwy 79; east of the Dripping Spring Campground; c. 150 m SE of the Helopad at the upper camp sites. 524 Comment
  UCR189801  Polygala cornuta var. fishiae Amy Rowland 2007-5-8 067 Riverside Peninsular Range, Santa Ana Mountains Region, Tin Mine Canyon c. 4 mi southwest of city of Corona, in drainage near Tin Mine trail 427 Comment
  UCR26839  Polygonum convolvulus A. C. Sanders 1982-6-12 2717 Riverside Riverside, residential garden, 422 Campus View Drive 335 Comment
  UC56641  Polygonum lapathifolium H. M. Hall Aug. 1901 Riverside Vicinity of Riverside 304 Comment
  RSA528096  Polygonum punctatum S. J. Myers 1990-12-5 s.n. Riverside Louis Rubidoux Nature Center: along the drainage that connects to the Sunnyslope Channel, and to the confluence with the Santa Ana River. (Near 33d 58'N, 117D 27'W) 213 Comment
  RSA65917  Polygonum ramosissimum F. W. Peirson 1938-4-10 12379 Riverside 1-2 miles west of Blythe. Comment
  UC2026433  Polygonum ramosissimum Louis C. Wheeler 1955-6-10 7152 Riverside 3.5 MILES NNE OF PALO VERDE: Avenue 32 & Rannells Blvd. Comment
  CLARK-A1528-31  Polypodium californicum Ruth Cooper 1952-6-3 644 a Riverside Box Springs Mountains Comment
  UCR261422  Polypodium californicum Joseph Cahill 2011-1-8 111- 14 Riverside Peninsular Range; Santa Ana Mtns., Cleveland National Forest, San Juan Loop Trail, c. 0.5 mi. from eastern trailhead off Hwy 74 590 Comment
  UCR26975  Polypodium californicum E. W. Lathrop 1966-5-8 6466 Riverside Peninsular Range; Santa Ana Mountains, Cleveland National Forest, Hagador Canyon, Trabuco District, 3 miles SW of Corona 275 Comment
  POM48373  Polypodium hesperium P. A. Munz, I. M. Johnston 1924-7-27 8778 Riverside North side of rocks, Dark Canyon, San Jacinto Mountains 2194 Comment
  CAS-BOT-BC237275  Polypogon monspeliensis Scott D. White 1995-6-30 3417 Riverside Murrieta area, W Riverside Co, Santa Ana foothills. Cole Creek, NW of Murrieta, upstream from Murrieta Creek confluence 30 Comment
  UCR2730  Polypogon monspeliensis H. S. Fawcett 1914-8-21 1630 Riverside Peninsular Range, Elsinore Lake, NE beach 427 Comment
  RSA802251  Polystichum imbricans Duncan S. Bell, Caitlin Elam, Carrie Kiel 2013-6-5 4997 Riverside In Strawberry Creek below Strawberry Valley approximately 2.25 air miles southwest of Idyllwild. Comment
  POM49461  Populus X parryi E. C. Jaeger 1925-3-1 s.n. Riverside Snow Canyon, San Jacinto Mts. 457 Comment
  CAS-BOT-BC102602  Populus fremontii Alice Eastwood 1919-3-15 7989 Riverside Indio Comment
  CAS-BOT-BC102607  Populus fremontii D. A. Johansen; J. A. Ewan 1932-4-10 7051 Riverside Warners Ranch at Whitewater, Western Colorado Desert Comment
  RSA125852  Populus fremontii E. K. Balls, Percy C. Everett 1957-11-13 22797 Riverside Snow Creek, north base San Jacinto Mountains. 701 Comment
  RSA753027  Populus nigra A. C. Sanders, D. L. Sanders 2008-9-27 36107 Riverside Santa Ana Riverbottom at Norco, between Corydon Av. (Fire Sta. 21) and a point NW of Vine St. and Halfmoon Ct. intersection, c. 1 mile NE of River Rd. bridge 165 Comment
  RSA681883  Porophyllum gracile Scott D. White 2001-3-13 s.n. Riverside Perris / Elsinore Basin: Menifee / Sun City area. Valleys and slopes east of Canyon Lake and west of Goetz Rd. 442 Comment
  UC1287114  Porophyllum gracile C. L. Hitchcock 1966-3-21 24330 Riverside 20 mi sw of Blythe; Mule Mts. Comment
  CAS-BOT-BC310318  Portulaca oleracea Duncan S. Bell 2012-9-13 4194 Riverside Arica Mountains. 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
  UCR24108  Potamogeton diversifolius John C. Roos 1937-8-18 2533 Riverside San Jacinto Mtns, Hidden Lake Comment
  UCR242297  Proboscidea althaeifolia A. C. Sanders, T. B. Salvato 2012-10-12 40423 Riverside Sonoran (Colorado) Desert, Chuckwalla Valley, along Chuckwalla Valley Rd., 0.35 mi. west of I-10 junction 114 Comment
  UC1522675  Proboscidea louisianica subsp. louisianica Steve Boyd 1984-9-20 Riverside along Cajalco Rd. 4 1/2 mi nw Perris (0.2 mi e of its intersection with Clark St. (Old Elsinore Rd.)); Mead Valley Comment
  RSA0040119  Prosopis glandulosa Joseph Brehm 1933-7-5 4943 Riverside Collected at Dos Palmas ACEC along the north fence, 0.5-1 mile north of Aquafarms. Comment
  UCR240204  Prosopis glandulosa C. J. Minar 1994-5-7 12 Riverside Sonoran (Colorado) Desert, Coachella Valley, east of Salton Sea near Dos Palmas Oasis -27 Comment
  RSA525268  Prosopis glandulosa var. torreyana Steve D. Boyd, L. Arnseth, Yvonne Rasmussen, Hugo Cota 1990-5-3 4581 Riverside Vail Lake area, steep SE flank of Oak Mtn. above NE end of lake. 579 Comment
  SEINET10837956  Prosopis glandulosa var. torreyana David B. Dunn 1948-6-18 Dunn 3804 Riverside To the W of quad 2. At camp in Pushawalla canyon under palms. Comment
  CAS-BOT-BC216518  Prosopis pubescens F. A. Thackery 1928-5-16 377 Riverside Indio Comment
  SEINET2095798  Prosopis pubescens R. Harms 2003-4-1 Riverside San Andreas Oasis, Dos Palmas Reserve; -15 Comment
  UC472697  Prunus emarginata M. F. Spencer 1924-5-31 Riverside Upper Tahquitz Valley, San Jacinto Mountains Upper Tahquitz Valley; San Jacinto Mountains, Upper Tahquitz Valley 2438 Comment
  CAS-BOT-BC151126  Prunus fremontii L. R. Abrams 1926-3-26 11067 Riverside Palm Springs to Palm Canyon Comment
  RSA701211  Prunus fremontii Keith E. Hoffmaster 1933-4-14 s.n. Riverside Taquitz canyon Comment
  RSA650387  Prunus ilicifolia C. J. Humphrey 1936-6-7 134 Riverside [No location information provided.] Comment
Read comments
Dec 15 2011
  HSC66537  Psathyrotes ramosissima Christopher Davidson 1979-4-4 7681 Riverside Orocopia Mts. Lower end of Box Canyon Rd., 4.4 mi. E of Mecca. 213 Comment
  RSA729920  Psathyrotes ramosissima R. F. Thorne 1966-10-15 41776 Riverside Dead Indian Canyon: Near Palm Desert at foot of Palms to Pines Highway Comment
  UC218054  Psathyrotes ramosissima P. A. Munz, D. Keck Apr 9 1922-Apr 12 1922 4839 Riverside vicinity Corn Springs; Colorado Desert, Chuckwalla Mountains, Corn Springs 457 Comment
  RSA180326  Pseudognaphalium biolettii E. W. Lathrop 1965-4-4 5620 Riverside 8 miles west of Murrieta Comment
  RSA586144  Pseudognaphalium biolettii D. L. Banks, S. D. Boyd 1995-3-16 0106 Riverside NW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. E of the Dripping Springs Alcove, N slope of Wildhorse Peak, on the Wildhorse Trail. 610 Comment
  UC485715  Pseudognaphalium biolettii Robinson and Crocker 1916-3-29 570 Riverside near Murietta; Santa Ana Mts. Comment
  UCR274191  Pseudognaphalium californicum T. B. Salvato, Gregg Miller 2005-6-7 1434 Riverside Peninsular Range, Gavilan Hills, along Hill Top Drive, 1.7 mi NE ( 54.8 deg. ) of the Lake Street junction with Hwy I-15, and 1.8 miles west of El Toro Road, near benchmark 2349 695 Comment
  UC667298  Pseudognaphalium canescens Annie M. Alexander and Louise Kellogg 1941-5-4 2118 Riverside Barker Dam Joshua Tree National Monument, Barker Dam (among rocks) 1322 Comment
  RSA393771  Psilocarphus brevissimus Robert Gustafson, Gary D. Wallace 1983-6-23 2713 Riverside Mesa de Burro, Santa Rosa region, Santa Ana Mts. 701 Comment
  UCR89682  Psilocarphus brevissimus var. brevissimus 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
  RSA612956  Psilocarphus tenellus D. L. Banks 1997-3-29 1625 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
  CAS-BOT-BC346365  Psorothamnus Dr. E. Rixford 1917-4-17 s.n. Riverside Coachella Valley Comment
  RSA0098338  Psorothamnus arborescens var. arborescens Marc A. Baker 2015-4-14 18323 Riverside San Gorgonio Pass, 5.5 km east of the San Gorgonio River, 26 km WNW of Palm Springs, 2.2 km NE of Cabazon. 582 Comment
  UCR144127  Psorothamnus arborescens var. simplicifolius Scott D. White 2001-4-18 8357 Riverside Sonoran (Colorado) Desert, Coachella Valley, Palm Springs, NE corner of Sunrise Drive and San Raphael Drive 165 Comment
  UCR215634  Psorothamnus arborescens var. simplicifolius Bao Doan 2010-5-31 10 Riverside Western edge of Sonoran (Colorado) Desert, San Gorgonio Pass, Cabazon, Elm St. at San Gorgonio River wash crossing 473 Comment
  JOTR01071  Psorothamnus polydenius Cole, James E. 1941-5-22 769 Riverside Joshua Tree National Park. RUBY LEE MILL SITE 914 Comment
  RSA655225  Psorothamnus schottii Scott D. White 1999-10-19 7626 Riverside Near Berdoo Canyon: Northeast of Dillon Rd., just S of mouth of Berdoo Cyn., on the S-facing bajada of the Little San Bernardino Mts. 152 Comment
  SBBG3320  Psorothamnus schottii H. and M. Dearing 1936-12-25 790 Riverside Thousand Palms Cyn Comment
  UC68510  Psorothamnus schottii H. M. Hall 1905-4-1 5973 Riverside Chuckawalla Mt. , Chuckawalla Mt. (Colorado Desert) Comment
  RSA91440  Psorothamnus spinosus Kate Merrell 1929-6-4 8410 Riverside E of Oasis, Colorado Desert, Comment
  CAS-BOT-BC72617  Pteridium aquilinum Carl B. Wolf 1932-5-25 3664 Riverside No. base of San Jacinto Mts., mouth of E. fork of Snow Creek Canyon 670 Comment
  UCR195094  Pteridium aquilinum A. C. Sanders, Tim Thomas 2008-8-1 35942 Riverside Peninsular Range; San Jacinto Mtns., Coldwater Creek near Mountain Center, SE of Keenwild Fire Station 1402 Comment
  RSA552699  Pterostegia drymarioides Steve Boyd, Tim S. Ross, Orlando Mistretta 1992-2-26 6707 Riverside Santa Ana Mountains, San Mateo Canyon Wilderness Area. San Mateo Canyon from Fisherman's Camp downstream to confluence with Bluewater Canyon. 305 Comment
  SD144439  Pterostegia drymarioides Andy C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19889 Riverside Lake Skinner Area, lower Rawson Canyon, NE of the lake and SW of Black Mtn., along the road 518 Comment
  SD232312  Pterostegia drymarioides Michael Wall 2003-4-15 266 Riverside Peninsular Ranges; San Jacinto Mountains region: Lamb Canyon west of Beaumont off Hwy. 79, 5.2 miles south Jct. with 10 Fwy, up dirt road at turnout along west side of Hwy. 601 Comment
  UCR272880  Pulicaria paludosa Duncan S. Bell 2015-8-12 8596 Riverside Colorado (Sonoran) Desert, southwestern section of the Orocopia mountains, spring in the southern section of the Dos Palmas area -41 Comment
  JOTR35439  Purshia tridentata var. glandulosa Harding, Mitzi, M. Wheeler, K. Callahan, C. Barrows 2013-4-25 45 Riverside Joshua Tree National Park. Little San Bernardino Mtns. W of Juniper Flats (stop1) Comment
  CAS-BOT-BC61815  Quercus agrifolia Scott D. White 1996-4-14 3914 Riverside E of Hemet: San Jacinto River Wash near Valle Vista, No. of Hwy. 74, ca. 71.7 mi W of USFS Cranston Fire Station 548 Comment
  SDSU6972  Quercus agrifolia var. agrifolia Ruth Miller, James C. Dice 1987-11-23 753 Riverside Near northeast edge of Reserve, at north edge of Eucalyptus planting. T8S, R3W, section 22. 111 Comment
  SD187414  Quercus agrifolia var. oxyadenia R. E. Riefner 2005-8-12 05 600 Riverside San Jacinto Mountains, vicinity of McMullen Flat on SR 243 at Valley Hi County Park 1139 Comment
  RSA263706  Quercus berberidifolia E. W. Lathrop 1969-6-5 7092 Riverside Main Divide Truck Trail between El Carriso and Santiago Peak, Cleveland National Forest 1220 Comment
  UCR275942  Quercus berberidifolia T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-26 3791 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
  LA46440  Quercus chrysolepis W. B. Welch; 1928-5-5 sn Riverside San Jacinto Mountains, Idyllwild Comment
  JOTR35508  Quercus cornelius-mulleri La Doux, Tasha, D. Shade, S. De Groot, N. Fraga, L. Washburn 2013-4-26 3195 Riverside Joshua Tree National Park. Little San Bernardino Mtns, lower Smithwater Canyon (Biodiversity Hunt stop4) 1219 Comment
  UC1010215  Quercus cornelius-mulleri John C. Roos 1946-9-14 3018 Riverside e of Asbestos Mtn.; Santa Rosa Mts., Dos Palmos Spring 1066 Comment
  UC496520  Quercus cornelius-mulleri Philip A. Munz 1932-10-16 12845 Riverside road from Deep Canyon to Vandeventer Flat; Santa Rosa Mts. 1066 Comment
  POM123042  Quercus kelloggii Marcus E. Jones 1924-8-30 s.n. Riverside San Jacinto Mountains; Tahquitz trail. Comment
  UCSC001110  Quercus kelloggii Peter Kamb 1947-5-17 519 Riverside Hall Canyon, San Jacinto Mountains 1646 Comment
  UCD46896  Quercus lobata J. M. Tucker; D. Q. Cavagnaro 1965-10-2 3886 Riverside (Q. turbinella Greene subsp. californica Tucker). In wash at Live Oak Tank, 75-100 feet from Q. turbinella subsp. Californica (introgressed with Q. dumosa); Joshua Tree National Monument, Riverside County, California. Comment
  CAS-BOT-BC104994  Quercus wislizeni Louis C. Wheeler 1931-10-3 s.n. Riverside Strawberry Valley, Mt. San Jacinto Comment
  SACT002725  Quercus wislizeni Louis Wheeler 1931-10-4 Riverside Sunny slope in good soil. 2 miles north of Idyllwild, San Jacinto Mountains Comment
  CLARK-A1528-2908  Quercus wislizeni var. frutescens John C. Roos 1947-1-4 3196 Riverside Box Springs Mountains 487 Comment
  SD258339  Rafinesquia neomexicana J. M. Andre, Glenn Clifton, Ron Kelley 2013-3-21 24401 Riverside Grommet; West Riverside Mountains; at base of NW corner of range where sand ramps run up against granitic bouldery slopes, about 10 mi SW of Vidal jct, 3 mi south of Grommet RR xing at Hwy 62 363 Comment
  UCR245961  Rafinesquia neomexicana Duncan S. Bell 2009-3-8 70 Riverside Arica Mountains, north tip of range, c. 3 air miles NW of Priest Well, or c. 5.5 air miles SW of ghost town of Rice 404 Comment
  SEINET1909588  Ranunculaceae A. C. Sanders 2004-1 27558 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
  RSA607915  Ranunculus aquatilis Louis C. Wheeler 1961-6-24 7910 Riverside San Jacinto Mountains: Fulmor Lake. Comment
  SD68980  Ranunculus aquatilis var. diffusus Robert F. Thorne, E. Lathrop, O. Clarke, S. Carlquist 1968-4-18 37457 Riverside Santa Rosa Plateau: vernal marsh on Mesa de Colorado, Rancho California 671 Comment
  CAS-BOT-BC378494  Ranunculus californicus var. californicus Lyman Benson 1932-3-26 3164 Riverside 3 mi N Temecula; San Jacinto Mt. Range 457 Comment
  POM13799  Ranunculus cymbalaria var. saximontanus P. A. Munz 1922-4-30 5139 Riverside Tucalota Creek, south of Hemet Comment
  RSA0049509  Raphanus sativus Margaret Murphy 1983-5-1 0017 -B Riverside Dry riverwash located in the north section of parcel 475-090-006, lot 20 Moreno Acres of the unincorproated area known as Sunnymead. Comment
  UCR136163  Rhamnus californica subsp. tomentella A. C. Sanders 2004-6-20 28215 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd. 305 Comment
  RSA785510  Rhamnus crocea Doris Bowers 1972-4-15 1852 Riverside Near SBCM dig on Pulgas Creek Rd., Rancho Calif. 396 Comment
  SD225089  Rhamnus crocea A. C. Sanders, G. Waines, B. Ehdaie, A. Aryavand 1997-3-12 19877 Riverside Lake Skinner area: lower Rawson Canyon, just NE of the lake along the road. 456 Comment
  POM96257  Rhamnus crocea E. C. Jaeger 1925-12-22 s.n. Riverside Aguanga Comment
  RSA356640  Rhamnus ilicifolia Robert F. Thorne, C. W. Tilforth, Larry E. DeBuhr, E. W. Lathrop 1975-8-29 47294 Riverside Santa Rosa Plateau: Near Tenaja Rd. on N slope of Mesa, S of Squaw Mountain. Comment
  SD122915  Rhamnus ilicifolia Steve Boyd 1985-8-7 1111 Riverside Santa Rosa Plateau region, NW base of Rdonda Mesa on Tenaja Rd., 0.8 mi. east of jtn with 8S01 and 8S02. Comment
  UCR138608  Rhamnus ilicifolia D. L. Banks 1996-11-7 1195 Riverside Agua Tibia Mountains, NW Palomar Mountains: Pechanga Indian Reservation, east of San Gabriel Church. At the end of the main road in the Reservation, at the spring on the N fork of Pechanga Creek at the E end of the Reservation 494 Comment
  POM122331  Rhamnus tomentella subsp. cuspidata Marcus E. Jones 1924-8-20 s.n. Riverside Idyllwild. Comment
  HSC101786  Rhus aromatica J. P. Smith, J. O. Sawyer, R. J. Cole 2011-6-9 13199 Riverside 1470 Comment
  UCR103914  Rhus aromatica B. G. Pitzer 1997-4-11 3103 Riverside Lakeview Mountains, Pulsar View Road, c. 0.5 mi. (air) SSE of Mt. Rudolph. 640 Comment
  JEPS66244  Rhus integrifolia M. F. Barnes March, 1920 Riverside Box Springs Mt., near Riverside; Box Springs Mt. Comment
  UCR136413  Rhus laurina A. C. Sanders 2004-6-20 28235 Riverside Peninsular Range, Temescal Canyon, 'Serrano Highlands' project, between Glen Ivy Hot Springs and Arcilla, NE side of the I-15 Fwy, south of Clay Canyon Rd., wash near I-15 & Temescal Cyn. Rd., west of main clay pit 305 Comment
  CLARK-A1528-119  Rhus trilobata var. anisophylla C. M. Flanagan 1973-5-31 OO 625 Riverside Morongo Indian Reservation 975 Comment
  RSA725949  Ribes aureum var. gracillimum Mitch Provance 2001-3-3 3520 Riverside San Bernardino Valley: Vicinity of Casa Blanca, NW corner of St. Lawrence St. and Victoria Avenue. 274 Comment
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Mar 5 2010
  CLARK-A1528-6882  Ribes indecorum John C. Roos 1946-12-27 3194 Riverside Box Springs Mountains Comment
  UCR51365  Ribes indecorum A. C. Sanders 1988-1-30 7591 Riverside Peninsular Range, Eastern foothills of the Santa Ana Mountains, c. midway between Murrieta and Temecula. Los Cerritos Ranch and adjacent 80 acre property to the NW; north of Cherry St., west of Adams Ave, south of Meadowlark Ridge Lane and Elm St 366 Comment
  RSA0022090  Ribes montigenum Carl B. Wolf 1932-8-5 3980 Riverside Rocks at summit of San Jacinto Peak. San Jacinto Mountains. 3294 Comment
  UC1127499  Ribes quercetorum R. St. John 1923-1-23 176 Riverside s Willow Canyon; San Jacinto Quadrangle Comment
  UCR91277  Ribes quercetorum Scott D. White 1995-4-5 2752 Riverside Perris Valley, Lakeview Mountains; SW of Juniper Flat Road 579 Comment
  SEINET3245813  Romneya coulteri A. C. Sanders, T. B. Salvato, Matthew Malle, Jonas Winbolt 2010-1 38413 Riverside Peninsular Range: southeastern Gavilan Hills near Alberhill, north of Concordia Ranch Rd. at north end of Black Powder Rd. (Alberhill 7.5') 399 Comment
  CAS-BOT-BC92174  Romneya coulteri var. coulteri E. H. Daniels; J. Bates 1932-6-6 s.n. Riverside Alberhill, Temescal Canyon, between Corona and Elsinore. 350 Comment
  RSA692223  Rorippa curvipes var. truncata Scott D. White 2003-10-9 9818 Riverside Pine Cove. Lily Creek just north of crossing at Hwy 243. 1738 Comment
  UCR975  Rosa californica S. C. Anderson 1957-5-21 s.n. Riverside Riverside, Santa Ana River bottom, 0.5 mi. east of Humane Society, north of Jurupa Ave. [near Union Pacific RR bridge] 220 Comment
  UCR202584  Rubus laciniatus Scott D. White, Justin M. Wood 2008-7-8 12372 Riverside San Jacinto Mountains, Hurkey Creek Watershed - Bonita Vista Road, c. 1/2 mi east and west of Hurkey Creek crossing 1537 Comment
  CAS-BOT-BC147177  Rubus parviflorus H. E. McMinn 1925-7-2 1506 Riverside Tahquitz Trail - Mt. San Jacinto from [Idylwild] Idyllwild Comment
  POM366412  Rubus parviflorus N. C. Cooper 1944-6-17 1401 Riverside San Jacinto Mts., above Banning. 1372 Comment
  UCR35160  Rubus parviflorus L. B. Ziegler 1967-7-5 177 Riverside San Jacinto Mtns, Canyon of the South Fork of the San Jacinto River 1829 Comment
  UCR91404  Rumex conglomeratus Scott D. White 1995-4-5 2720 Riverside San Jacinto Valley, San Jacinto Wildlife area, near northern boundary, off Davis Rd. 427 Comment
  RSA0046831  Rumex crispus Paul Shirokawa 1998-5-15 32 Riverside Cleveland National Forest: Trabuco Ranger District, 0.3 miles from Ortega Highway (State Highway 74) on North Main Divide Road. 807 Comment
  IRVC27457  Rumex violascens A. C. Sanders, K. C. Rose 1999-6-18 22829 Riverside upper Warm Springs Creek between Hwy 79 (Winchester Rd.) and Scott Rd., Domenigoni Ranch, S of Winchester Domenigoni Valley 433 Comment
  RSA5232  Sagina saginoides C. B. Wolf 1932-4-5 3958 -A Riverside 1st really wet meadow on trail from Tahquitz Valley to San Jacinto Peak. 2744 Comment
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Aug 11 2012
  RSA0011880  Salazaria mexicana Lee Haines 1954-5-16 Riverside Pines-to-Palms Hgw., west slope of Deep Canyon. 1158 Comment
  SEINET5568897  Salicaceae Swingle 1915-1 s.n. Riverside Indio. Comment
  UC846660  Salix Joseph Andorfer Ewan 1933-3-19 10902 Riverside Santa Ana River bottoms at Prador; Santa Ana River, Prador Comment
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Oct 30 2011
  RSA774509  Salix exigua Orlando Mistretta, Duncan S. Bell, Jill Beckman, Joy D. England, Katie Kane, Jamie Hall, Chris McDonald, Lucila Reccia 2010-4-12 4460 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
  SBBG27490  Salix exigua Mrs. H. P. Bracelin 1932-4-12 601 Riverside E side of bridge over Santa Ana River, 4.8 km N of Arlington on rd to Pedley, W of Riverside 240 Comment
  SJSU258  Salix exigua Mrs. H. P. Bracelin 1932-4-12 602 Riverside E side of bridge over Santa Ana R, 4.8 km N of Arlington on rd to Pedley, W of Riverside 240 Comment
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Mar 26 2011
  UC498787  Salix exigua Mrs. H. P. Bracelin 1932-4-12 603 Riverside 4.8 km. n Arlington (on rd. to Pedley, w of Riverside, e side of bridge over Santa Ana R.) 240 Comment
  UCR425  Salix exigua P. A. Rauch 1968-2-22 s.n. Riverside San Bernardino Mtns., Cottonwood Canyon 915 Comment
  CAS-BOT-BC108116  Salix gooddingii Carl B. Wolf 1929-5-31 3739 Riverside 1 mi. N.W. of Santa Ana river, 6 mi. from Corona on Chino Road Comment
  RSA4945  Salix gooddingii Carl B. Wolf 1932-4-28 3085 Riverside Overflow land back of Colorado River, about 800 m. from State Inspection Station, on way to Blythe Bridge. 90 Comment
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Mar 26 2011
  RSA653231  Salix gooddingii A. C. Sanders, T. B. Salvato 2000-5-30 23434 Riverside Menifee Valley: S of Newport Rd., N of Holland Rd. and E of Brandley Rd., 2 miles due east of Railroad Canyon Lake. 439 Comment
  SBBG119448  Salix gooddingii A. C. Sanders 2004-5-12 27866 Riverside Walker Cyn at N foot of Alberhill Mtn, Temescal Crk 378 Comment
  SBBG58896  Salix gooddingii F. R. Fosberg 1932-3-13 8065 Riverside Thousand Palms Cyn Comment
  SD1038  Salix gooddingii Carl B. Wolf 1932-4-28 3085 Riverside overflow land back of Colorado River, about 800 m from state inspection station, on way to Blyth Bridge 89 Comment
  UCR216445  Salix gooddingii Nolan M. Ung 2008-5-20 028 Riverside San Bernardino Valley Region, western Riverside near Pedley, Santa Ana River on the west side of Van Buren Blvd. bridge, north bank of the river 208 Comment
  UCR225573  Salix gooddingii A. C. Sanders, T. B. Salvato 2011-3-30 38889 Riverside Peninsular Range; Elsinore Trough, city of Lake Elsinore, Baker St. c. 100 m NW of Hwy 74/Riverside Dr. 381 Comment
  POM9862  Salix gooddingii I. M. Johnston 1917-6-3 s.n. Riverside Hills south of Arlington. 366 Comment
  UC506453  Salix laevigata Carl Hedin and Joseph Ewan 1932-7-9 7678 Riverside near Prado (below Corona); China Creek Comment
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Dec 11 2011
  UCR232067  Salix laevigata John F. Green 2008-4-24 13- 05 Riverside Peninsular Range; SE Gavilan Hills, SW of Perris along Hwy 74, between Lazy Lizard Dr. and Wasson Canyon Rd. 504 Comment
  SBBG54391  Salix lasiolepis P. Wilder 1971-3-20 4896 Riverside Santa Ana River at end of Pedley Street, Norco, on S side of Santa Ana River 243 Comment
  RSA0010975  Salix lasiolepis J. D. Olmsted 1959-7-16 764 Riverside At edge of dropoff in Tahquitz Canyon below Carumba east-northeast of Idyllwild 1707 Comment
  RSA289821  Salsola paulsenii B. A. Prigge 1980-9-16 4304 Riverside Coachella Valley Stormwater Channel; east of Point Happy at Washington St. x channel 21 Comment
  RSA552734  Salsola tragus Steve Boyd, Timothy S. Ross, Orlando Mistretta 1992-3-31 6755 Riverside San Mateo Cyn. Wilderness Area. Tenaja Trail from jtn w/ Morgan Tr. S to Pigeon Spring area. 670 Comment
  RSA586928  Saltugilia australis D. L. Banks, S. D. Boyd 1995-5-3 0264 A 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
  RSA0094571  Saltugilia australis Leigh A. Johnson 1997-4-25 97 -049 Riverside Magee Hills vicinity: On first year burn on hills and slopes directly W of Hwy R3, (Sage Road) ca. 5.9 mi S of jct. with Cactus Valley Rd., and 0.8 mi N of Sage Hen Fire station. 700 Comment
  RSA0095111  Saltugilia australis Steve Boyd 1980-5-6 s.n. Riverside Motte Reserve. Rocky hills 2.5 mi NW of Perris. 518 Comment
  JOTR29605  Saltugilia latimeri Andre, Jim 2006-4-26 6762 Riverside Joshua Tree National Park. Long Canyon, approximately 2.3 mi. S of NE corner (boundary) of park 1055 Comment
  CHSC781  Salvia apiana E. Thomas 1940-5-26 Riverside Pleasant Valley, Joshua National Monument. Comment
  SD11889  Salvia apiana Victor Duran 1933-7-1 3491 Riverside Near Santa Rosa, Santa Rosa Mountains. 1829 Comment
  SD229199  Salvia apiana Dick Schwenkmeyer, Tony Harper - Collector 2013-5-8 897 Riverside Agua Bonita Spring, Palm Canyon, approx. 8 Mi. S. of Catherdral City 883 Comment
  UC1537562  Salvia apiana Gordon H. True Jr. 1935-3-18 123 Riverside e of Citrus Experimental Station 396 Comment
  UCR262266  Salvia apiana T. B. Salvato, Meenaxi R. Panakkal, Tim Thomas 2009-6-23 3739 Riverside San Jacinto Mountains, San Jacinto River Canyon, along South Fork Trail (FSR 2E17), c. halfway between Hwy 74 and the bottom of the canyon 1274 Comment
  SEINET10499053  Salvia apiana David B. Dunn 1940-4-13 Dunn s.n. Riverside Torey pines. A bluff rising about 500 ft above the pacific ocean, dry sand, soil Or sandstone coastal sage, lower sonoron. Petsamo. Comment
  RSA524585  Salvia carduacea Steve Boyd, T. S. Ross, L. Arnseth, Jaime Bonilla 1990-4-3 4133 Riverside Vail Lake area, SW base of 'Big' Oak Mountain, mouth of Temecula Creek Canyon 366 Comment
  SBBG89046  Salvia carduacea B. Pitzer, K. Kirtland 1986-5-7 220 Riverside Butterfield Stage Ranch development, Rancho California area, 1 mi S of Buck Mesa on the E side of Butterifeld Stage Rd 457 Comment
  RSA0116963  Salvia eremostachya Robert F. Thorne, A. Shmida, Robert Whittaker 1978-4-23 52065 Riverside Palms to Pines Highway: Along highway, Santa Rosa Mountains. Comment
  RSA45226  Salvia greatae J. C. Roos, L. Roos 1946-4-6 4142 Riverside Orocopia Mountains, 2.5 miles northeast of Dos Palmos Springs 152 Comment
  UCR174957  Salvia mellifera Jennifer H. Jones 2006-6-6 384 Riverside Peninsular Ranges; Santa Ana Mtns., Cleveland National Forest along Calif. Hwy 74; San Juan Loop Trail 'head 598 Comment
  JOTR32354  Salvia mohavensis La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler 2011-6-1 2469 Riverside Joshua Tree National Park. Little San Bernardino Mountains: Northeast of Quail Mountain and just west of Johnny Lang Mine; Previously burned loose, rocky, gravelly slope above large drainage (Stop 2) Comment
  SD52967  Salvia mohavensis jPeter H. Raven, David Verity 1960-6-5 15497 Riverside Salton View, Joshua Tree National Monument. Comment
  CAS-BOT-BC224854  Salvia pachyphylla P. A. Munz; E. K. Balls 1952-8-21 17981 Riverside Vandeventer Flat to Santa Rosa Peak 2072 Comment
  UC25679  Salvia pachyphylla H. M. Hall 1897-8-11 809 Riverside Tauquitz Valley; San Jacinto Mountains 2286 Comment
  RSA0122708  Salvia vaseyi Duncan S. Bell, Isaac Marck, Evan Meyer 2016-3-23 9056 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
  RSA24250  Salvia vaseyi Carl B. Wolf 1940-10-31 9762 Riverside Little San Bernardino Mts. Morongo Wash 6/10 mi. below San Bernardino Co. Line. 671 Comment
  UC666458  Salvia vaseyi Annie M. Alexander and Louise Kellogg 1941-6-1 2267 Riverside Dry Morongo Creek; Morongo Valley 655 Comment
  POM88191  Sambucus caerulea P. A. Munz, I. M. Johnston 1924-7-29 8888 Riverside Lone Oak Ranch, Banning-Idyllwild Road. 1037 Comment
  RSA660228  Sambucus mexicana Sandy Gray 1981-5-15 17 Riverside Hwy 60 N. Beaumont Bogart State park. 792 Comment
  SD137816  Sambucus nigra subsp. caerulea Darin L. Banks, Steve Boyd 1995-5-3 270 Riverside Cleveland National Forest, Agua Tibia Wilderness Area, north slope of Agua Tibia Mountain, east of the Dripping Springs Alcove Area. 515 Comment
  UCR260162  Schismus arabicus Duncan S. Bell 2012-3-4 3134 Riverside Sonoran (Colorado) Desert, Arica Mountains; along old railway line about 4.5 air miles south of the ghost town of Rice 217 Comment
  RSA562440  Schismus arabicus Steve Boyd, Timothy S. Ross 1992-5-6 7264 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness area. Verdugo Potero, near the Verdugo Trailhead. 732 Comment
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Aug 14 2014
  CLARK-A1656-759  Schismus barbatus Theo Glenn 1979-3-11 Riverside San Jacinto Mountains Comment
  JOTR16789  Schismus barbatus Leary, Pat and Hogan, J. 1975-2-11 899 Riverside Joshua Tree National Park. EAST END OF PLEASANT VALLEY 975 Comment
  RSA466562  Schismus barbatus Christopher Davidson 1973-4-1 1803 Riverside Hwy 71/79, appx. 7 mi from jct of Hwy 395 south. 412 Comment
  RSA778624  Schismus barbatus Duncan S. Bell 2009-3-8 65 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
  UC841174  Schoenoplectus acutus var. occidentalis Crawford and Johnston 1917-6-9 1226 Riverside Santa Ana River near Corona Comment
  CAS-BOT-BC111578  Schoenoplectus americanus Frederick Morris Reed 1904-6-19 612 Riverside Bogs along Spring Brook below Fairmount Park. Comment
  RSA563903  Schoenoplectus glaucus A. C. Sanders 1993-4-5 13700 Riverside Western edge of Hemet, along S side of Devonshire Ave. between Old Warren and Warren Roads, SW of Tres Cerritos and N of Florida Ave. (Hwy 74). 460 Comment
  RSA289862  Schoenoplectus maritimus B. A. Prigge 1980-12-15 4114 Riverside Whitewater Marsh: 4 miles S of Mecca. -70 Comment
  RSA617994  Schoenoplectus saximontanus R. E. Riefner 1997-6-14 97 -191 Riverside Elsinore Trough, Wildomar. Comment
  CSUSB1016  Scirpus robustus Emily E. McGregor 1972-4-15 Riverside Santa Ana River Santa Ana River bottom, off Freemont Drive. Comment
  CSUSB908  Scrophularia californica Robert M. Hasegawa 1976-4-14 Riverside Box Springs Mountains Box Springs Mountains. 1/8 mile past road's end, east Big Springs Road. 274 Comment
  RSA783651  Scrophularia californica J. D. Olmsted 1958-6-10 157 Riverside 6 miles SW of Corona on Oak Flat fire road (turn S from US on Lincoln). Lower Santa Ana Reservoir. 732 Comment
  UC1234751  Scrophularia californica Peter H. Raven 1962-4-29 17486 Riverside 1 mi above its e base Ortega Hwy 487 Comment
  UCR174534  Scrophularia californica Jennifer H. Jones 2006-4-7 262 Riverside Peninsular Ranges, Box Springs Mtns. Reserve; A couple hundred feet up hill east of service road, just SE of the parking lot 732 Comment
  UCR230914  Scrophularia californica T. B. Salvato, Richard Camacho 2011-6-12 5480 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
  POM7654  Scrophularia californica subsp. floribunda H. M. Hall 1902-4-21 2936 Riverside Vicinity of Riverside, Gavilan hills. 457 Comment
  RSA160542  Scrophularia californica subsp. floribunda J. D. Olmsted 1959-6-25 681 Riverside San Jacinto Mtns., Strawberry Creek, NE of Idyllwild, Strawberry Creek in Fern Valley 1646 Comment
  CAS-BOT-BC214232  Scutellaria bolanderi subsp. bolanderi John Thomas Howell 1927-8-2 2925 Riverside Road to Hemet at top of control, Mt. San Jacinto 1371 Comment
  CAS-BOT-BC341102  Scutellaria mexicana Emma B. Mundy 1921-3-22 4484 Riverside Andreas Canyon Region Comment
  POM12791  Scutellaria siphocampyloides P. A. Munz 1922-6-23 5762 Riverside Keen Camp, San Jacinto Mountains. 1524 Comment
  POM47007  Scutellaria siphocampyloides Mary F. Spencer 1919-5-18 1194 Riverside Idyllwild, San Jacinto Mountains 1616 Comment
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Mar 21 2011
  UC25788  Scutellaria siphocampyloides Geo. F. Reinhardt June, 1897 Riverside San Jacinto Mountains Comment
  RSA0074166  Scutellaria siphocampyloides John Olmsted 1958-6-15 183 Riverside North shore of Hemet Lake, 10 miles south of Mt. Center just off Pines to Palms Hwy. Mt. Range: San Jacinto Mountains; Drainage area: S. Fk. San Jacinto R. 1326 Comment
  SD152815  Scutellaria tuberosa subsp. australis Steve Boyd, Time Ross 1992-5-4 7187 Riverside Southern Santa Ana Mountains, San Mateo Canyon Wilderness Area. Oak Flats area east of Verdugo Potrero. 730 Comment
  SEINET10875856  Selaginella J. Richard Abbott, B. S. Carlsward 1999-6-24 Abbott 12854 Riverside Near White Water, west of Joshua Tree National Park; north of I-10 (just west ofjunction with CA 62) on Whitewater cut-off, then several kilometers on Whitewater Canyon Road to where it crosses over the river. Comment
  CAS-BOT-BC69807  Selaginella bigelovii Ivan Johnston 1917-4-4 1044 Riverside Palm Canyon, Colorado Desert. 304 Comment
  CAS-BOT-BC62093  Selaginella eremophila Larry Kiefer 1963-3-24 485 Riverside Andreas Cyn. 609 Comment
  RSA684087  Selaginella eremophila Louis Cutter Wheeler 1933-12-2 2299 Riverside Tahquitz Canyon 244 Comment
  SEINET3289841 Image available</